diff --git a/.babelrc b/.babelrc
index 9772b939..ece1d876 100644
--- a/.babelrc
+++ b/.babelrc
@@ -1,13 +1,5 @@
 {
   "presets": [
-    [
-      "env",
-      {
-        "modules": false
-      }
-    ]
-  ],
-  "plugins": [
-    "external-helpers"
+    ["@babel/preset-env"]
   ]
 }
diff --git a/dist/canvg.js b/dist/canvg.js
index 19eb3e4b..04004879 100644
--- a/dist/canvg.js
+++ b/dist/canvg.js
@@ -1,155 +1,228 @@
 var canvg = (function (exports) {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
-  };
+  }
 
-  var classCallCheck = function (instance, Constructor) {
+  function _classCallCheck(instance, Constructor) {
     if (!(instance instanceof Constructor)) {
       throw new TypeError("Cannot call a class as a function");
     }
-  };
+  }
 
-  var createClass = function () {
-    function defineProperties(target, props) {
-      for (var i = 0; i < props.length; i++) {
-        var descriptor = props[i];
-        descriptor.enumerable = descriptor.enumerable || false;
-        descriptor.configurable = true;
-        if ("value" in descriptor) descriptor.writable = true;
-        Object.defineProperty(target, descriptor.key, descriptor);
-      }
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
     }
+  }
 
-    return function (Constructor, protoProps, staticProps) {
-      if (protoProps) defineProperties(Constructor.prototype, protoProps);
-      if (staticProps) defineProperties(Constructor, staticProps);
-      return Constructor;
-    };
-  }();
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    return Constructor;
+  }
 
-  var get = function get(object, property, receiver) {
-    if (object === null) object = Function.prototype;
-    var desc = Object.getOwnPropertyDescriptor(object, property);
-
-    if (desc === undefined) {
-      var parent = Object.getPrototypeOf(object);
-
-      if (parent === null) {
-        return undefined;
-      } else {
-        return get(parent, property, receiver);
-      }
-    } else if ("value" in desc) {
-      return desc.value;
-    } else {
-      var getter = desc.get;
-
-      if (getter === undefined) {
-        return undefined;
-      }
-
-      return getter.call(receiver);
-    }
-  };
-
-  var inherits = function (subClass, superClass) {
+  function _inherits(subClass, superClass) {
     if (typeof superClass !== "function" && superClass !== null) {
-      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
+      throw new TypeError("Super expression must either be null or a function");
     }
 
     subClass.prototype = Object.create(superClass && superClass.prototype, {
       constructor: {
         value: subClass,
-        enumerable: false,
         writable: true,
         configurable: true
       }
     });
-    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
-  };
+    if (superClass) _setPrototypeOf(subClass, superClass);
+  }
 
-  var possibleConstructorReturn = function (self, call) {
-    if (!self) {
+  function _getPrototypeOf(o) {
+    _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
+      return o.__proto__ || Object.getPrototypeOf(o);
+    };
+    return _getPrototypeOf(o);
+  }
+
+  function _setPrototypeOf(o, p) {
+    _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
+      o.__proto__ = p;
+      return o;
+    };
+
+    return _setPrototypeOf(o, p);
+  }
+
+  function isNativeReflectConstruct() {
+    if (typeof Reflect === "undefined" || !Reflect.construct) return false;
+    if (Reflect.construct.sham) return false;
+    if (typeof Proxy === "function") return true;
+
+    try {
+      Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
+      return true;
+    } catch (e) {
+      return false;
+    }
+  }
+
+  function _construct(Parent, args, Class) {
+    if (isNativeReflectConstruct()) {
+      _construct = Reflect.construct;
+    } else {
+      _construct = function _construct(Parent, args, Class) {
+        var a = [null];
+        a.push.apply(a, args);
+        var Constructor = Function.bind.apply(Parent, a);
+        var instance = new Constructor();
+        if (Class) _setPrototypeOf(instance, Class.prototype);
+        return instance;
+      };
+    }
+
+    return _construct.apply(null, arguments);
+  }
+
+  function _assertThisInitialized(self) {
+    if (self === void 0) {
       throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
     }
 
-    return call && (typeof call === "object" || typeof call === "function") ? call : self;
-  };
+    return self;
+  }
 
-  var slicedToArray = function () {
-    function sliceIterator(arr, i) {
-      var _arr = [];
-      var _n = true;
-      var _d = false;
-      var _e = undefined;
-
-      try {
-        for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
-          _arr.push(_s.value);
-
-          if (i && _arr.length === i) break;
-        }
-      } catch (err) {
-        _d = true;
-        _e = err;
-      } finally {
-        try {
-          if (!_n && _i["return"]) _i["return"]();
-        } finally {
-          if (_d) throw _e;
-        }
-      }
-
-      return _arr;
+  function _possibleConstructorReturn(self, call) {
+    if (call && (typeof call === "object" || typeof call === "function")) {
+      return call;
     }
 
-    return function (arr, i) {
-      if (Array.isArray(arr)) {
-        return arr;
-      } else if (Symbol.iterator in Object(arr)) {
-        return sliceIterator(arr, i);
-      } else {
-        throw new TypeError("Invalid attempt to destructure non-iterable instance");
-      }
-    };
-  }();
+    return _assertThisInitialized(self);
+  }
 
-  var toConsumableArray = function (arr) {
+  function _superPropBase(object, property) {
+    while (!Object.prototype.hasOwnProperty.call(object, property)) {
+      object = _getPrototypeOf(object);
+      if (object === null) break;
+    }
+
+    return object;
+  }
+
+  function _get(target, property, receiver) {
+    if (typeof Reflect !== "undefined" && Reflect.get) {
+      _get = Reflect.get;
+    } else {
+      _get = function _get(target, property, receiver) {
+        var base = _superPropBase(target, property);
+
+        if (!base) return;
+        var desc = Object.getOwnPropertyDescriptor(base, property);
+
+        if (desc.get) {
+          return desc.get.call(receiver);
+        }
+
+        return desc.value;
+      };
+    }
+
+    return _get(target, property, receiver || target);
+  }
+
+  function _slicedToArray(arr, i) {
+    return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();
+  }
+
+  function _toConsumableArray(arr) {
+    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
+  }
+
+  function _arrayWithoutHoles(arr) {
     if (Array.isArray(arr)) {
-      for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+      for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
 
       return arr2;
-    } else {
-      return Array.from(arr);
     }
-  };
+  }
+
+  function _arrayWithHoles(arr) {
+    if (Array.isArray(arr)) return arr;
+  }
+
+  function _iterableToArray(iter) {
+    if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+  }
+
+  function _iterableToArrayLimit(arr, i) {
+    var _arr = [];
+    var _n = true;
+    var _d = false;
+    var _e = undefined;
+
+    try {
+      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+        _arr.push(_s.value);
+
+        if (i && _arr.length === i) break;
+      }
+    } catch (err) {
+      _d = true;
+      _e = err;
+    } finally {
+      try {
+        if (!_n && _i["return"] != null) _i["return"]();
+      } finally {
+        if (_d) throw _e;
+      }
+    }
+
+    return _arr;
+  }
+
+  function _nonIterableSpread() {
+    throw new TypeError("Invalid attempt to spread non-iterable instance");
+  }
+
+  function _nonIterableRest() {
+    throw new TypeError("Invalid attempt to destructure non-iterable instance");
+  }
 
   /**
    * For parsing color values
@@ -302,9 +375,8 @@ var canvg = (function (exports) {
     whitesmoke: 'f5f5f5',
     yellow: 'ffff00',
     yellowgreen: '9acd32'
-  };
+  }; // array of color definition objects
 
-  // array of color definition objects
   var colorDefs = [{
     re: /^rgb\((\d{1,3}),\s*(\d{1,3}),\s*(\d{1,3})\)$/,
     example: ['rgb(123, 234, 45)', 'rgb(255,234,245)'],
@@ -324,131 +396,138 @@ var canvg = (function (exports) {
       return [parseInt(bits[1] + bits[1], 16), parseInt(bits[2] + bits[2], 16), parseInt(bits[3] + bits[3], 16)];
     }
   }];
-
   /**
    * A class to parse color values
    */
 
-  var RGBColor = function () {
+  var RGBColor =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {string} colorString
     */
     function RGBColor(colorString) {
-      classCallCheck(this, RGBColor);
+      _classCallCheck(this, RGBColor);
 
-      this.ok = false;
+      this.ok = false; // strip any leading #
 
-      // strip any leading #
       if (colorString.charAt(0) === '#') {
         // remove # if any
         colorString = colorString.substr(1, 6);
       }
 
       colorString = colorString.replace(/ /g, '');
-      colorString = colorString.toLowerCase();
-
-      // before getting into regexps, try simple matches
+      colorString = colorString.toLowerCase(); // before getting into regexps, try simple matches
       // and overwrite the input
+
       if (colorString in simpleColors) {
         colorString = simpleColors[colorString];
-      }
-      // end of simple type-in colors
-
+      } // end of simple type-in colors
       // search through the definitions to find a match
+
+
       for (var i = 0; i < colorDefs.length; i++) {
         var re = colorDefs[i].re;
-
         var processor = colorDefs[i].process;
         var bits = re.exec(colorString);
+
         if (bits) {
           var _processor = processor(bits),
-              _processor2 = slicedToArray(_processor, 3),
+              _processor2 = _slicedToArray(_processor, 3),
               r = _processor2[0],
               g = _processor2[1],
               b = _processor2[2];
 
-          Object.assign(this, { r: r, g: g, b: b });
+          Object.assign(this, {
+            r: r,
+            g: g,
+            b: b
+          });
           this.ok = true;
         }
-      }
+      } // validate/cleanup values
+
 
-      // validate/cleanup values
       this.r = this.r < 0 || isNaN(this.r) ? 0 : this.r > 255 ? 255 : this.r;
       this.g = this.g < 0 || isNaN(this.g) ? 0 : this.g > 255 ? 255 : this.g;
       this.b = this.b < 0 || isNaN(this.b) ? 0 : this.b > 255 ? 255 : this.b;
-    }
+    } // some getters
 
-    // some getters
     /**
     * @returns {string}
     */
 
 
-    createClass(RGBColor, [{
-      key: 'toRGB',
+    _createClass(RGBColor, [{
+      key: "toRGB",
       value: function toRGB() {
         return 'rgb(' + this.r + ', ' + this.g + ', ' + this.b + ')';
       }
-
       /**
       * @returns {string}
       */
 
     }, {
-      key: 'toHex',
+      key: "toHex",
       value: function toHex() {
         var r = this.r.toString(16);
         var g = this.g.toString(16);
         var b = this.b.toString(16);
+
         if (r.length === 1) {
           r = '0' + r;
         }
+
         if (g.length === 1) {
           g = '0' + g;
         }
+
         if (b.length === 1) {
           b = '0' + b;
         }
+
         return '#' + r + g + b;
       }
-
       /**
       * help
       * @returns {HTMLUListElement}
       */
 
     }, {
-      key: 'getHelpXML',
+      key: "getHelpXML",
       value: function getHelpXML() {
-        var examples = [];
-        // add regexps
+        var examples = []; // add regexps
+
         for (var i = 0; i < colorDefs.length; i++) {
           var example = colorDefs[i].example;
 
           for (var j = 0; j < example.length; j++) {
             examples[examples.length] = example[j];
           }
-        }
-        // add type-in colors
-        examples.push.apply(examples, toConsumableArray(Object.keys(simpleColors)));
+        } // add type-in colors
 
+
+        examples.push.apply(examples, _toConsumableArray(Object.keys(simpleColors)));
         var xml = document.createElement('ul');
         xml.setAttribute('id', 'rgbcolor-examples');
+
         for (var _i = 0; _i < examples.length; _i++) {
           try {
             var listItem = document.createElement('li');
             var listColor = new RGBColor(examples[_i]);
             var exampleDiv = document.createElement('div');
-            exampleDiv.style.cssText = 'margin: 3px;\nborder: 1px solid black;\nbackground: ' + listColor.toHex() + ';\ncolor: ' + listColor.toHex() + ';';
+            exampleDiv.style.cssText = "margin: 3px;\nborder: 1px solid black;\nbackground: ".concat(listColor.toHex(), ";\ncolor: ").concat(listColor.toHex(), ";");
             exampleDiv.append('test');
-            var listItemValue = ' ' + examples[_i] + ' -> ' + listColor.toRGB() + ' -> ' + listColor.toHex();
+            var listItemValue = " ".concat(examples[_i], " -> ").concat(listColor.toRGB(), " -> ").concat(listColor.toHex());
             listItem.append(exampleDiv, listItemValue);
             xml.append(listItem);
           } catch (e) {}
         }
+
         return xml;
       }
     }]);
+
     return RGBColor;
   }();
 
@@ -492,11 +571,8 @@ var canvg = (function (exports) {
   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   OTHER DEALINGS IN THE SOFTWARE.
   */
-
   var mulTable = [512, 512, 456, 512, 328, 456, 335, 512, 405, 328, 271, 456, 388, 335, 292, 512, 454, 405, 364, 328, 298, 271, 496, 456, 420, 388, 360, 335, 312, 292, 273, 512, 482, 454, 428, 405, 383, 364, 345, 328, 312, 298, 284, 271, 259, 496, 475, 456, 437, 420, 404, 388, 374, 360, 347, 335, 323, 312, 302, 292, 282, 273, 265, 512, 497, 482, 468, 454, 441, 428, 417, 405, 394, 383, 373, 364, 354, 345, 337, 328, 320, 312, 305, 298, 291, 284, 278, 271, 265, 259, 507, 496, 485, 475, 465, 456, 446, 437, 428, 420, 412, 404, 396, 388, 381, 374, 367, 360, 354, 347, 341, 335, 329, 323, 318, 312, 307, 302, 297, 292, 287, 282, 278, 273, 269, 265, 261, 512, 505, 497, 489, 482, 475, 468, 461, 454, 447, 441, 435, 428, 422, 417, 411, 405, 399, 394, 389, 383, 378, 373, 368, 364, 359, 354, 350, 345, 341, 337, 332, 328, 324, 320, 316, 312, 309, 305, 301, 298, 294, 291, 287, 284, 281, 278, 274, 271, 268, 265, 262, 259, 257, 507, 501, 496, 491, 485, 480, 475, 470, 465, 460, 456, 451, 446, 442, 437, 433, 428, 424, 420, 416, 412, 408, 404, 400, 396, 392, 388, 385, 381, 377, 374, 370, 367, 363, 360, 357, 354, 350, 347, 344, 341, 338, 335, 332, 329, 326, 323, 320, 318, 315, 312, 310, 307, 304, 302, 299, 297, 294, 292, 289, 287, 285, 282, 280, 278, 275, 273, 271, 269, 267, 265, 263, 261, 259];
-
   var shgTable = [9, 11, 12, 13, 13, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24];
-
   /**
    * @param {string|HTMLCanvasElement} canvas
    * @param {Integer} topX
@@ -506,10 +582,13 @@ var canvg = (function (exports) {
    * @throws {Error}
    * @returns {ImageData} See {@link https://html.spec.whatwg.org/multipage/canvas.html#imagedata}
    */
+
+
   function getImageDataFromCanvas(canvas, topX, topY, width, height) {
     if (typeof canvas === 'string') {
       canvas = document.getElementById(canvas);
     }
+
     if (!canvas || !('getContext' in canvas)) {
       return;
     }
@@ -522,7 +601,6 @@ var canvg = (function (exports) {
       throw new Error('unable to access image data: ' + e);
     }
   }
-
   /**
    * @param {HTMLCanvasElement} canvas
    * @param {Integer} topX
@@ -532,19 +610,18 @@ var canvg = (function (exports) {
    * @param {Float} radius
    * @returns {undefined}
    */
+
+
   function processCanvasRGBA(canvas, topX, topY, width, height, radius) {
     if (isNaN(radius) || radius < 1) {
       return;
     }
+
     radius |= 0;
-
     var imageData = getImageDataFromCanvas(canvas, topX, topY, width, height);
-
     imageData = processImageDataRGBA(imageData, topX, topY, width, height, radius);
-
     canvas.getContext('2d').putImageData(imageData, topX, topY);
   }
-
   /**
    * @param {ImageData} imageData
    * @param {Integer} topX
@@ -554,72 +631,46 @@ var canvg = (function (exports) {
    * @param {Float} radius
    * @returns {ImageData}
    */
+
+
   function processImageDataRGBA(imageData, topX, topY, width, height, radius) {
     var pixels = imageData.data;
+    var x, y, i, p, yp, yi, yw, rSum, gSum, bSum, aSum, rOutSum, gOutSum, bOutSum, aOutSum, rInSum, gInSum, bInSum, aInSum, pr, pg, pb, pa, rbs;
+    var div = radius + radius + 1; // const w4 = width << 2;
 
-    var x = void 0,
-        y = void 0,
-        i = void 0,
-        p = void 0,
-        yp = void 0,
-        yi = void 0,
-        yw = void 0,
-        rSum = void 0,
-        gSum = void 0,
-        bSum = void 0,
-        aSum = void 0,
-        rOutSum = void 0,
-        gOutSum = void 0,
-        bOutSum = void 0,
-        aOutSum = void 0,
-        rInSum = void 0,
-        gInSum = void 0,
-        bInSum = void 0,
-        aInSum = void 0,
-        pr = void 0,
-        pg = void 0,
-        pb = void 0,
-        pa = void 0,
-        rbs = void 0;
-
-    var div = radius + radius + 1;
-    // const w4 = width << 2;
     var widthMinus1 = width - 1;
     var heightMinus1 = height - 1;
     var radiusPlus1 = radius + 1;
     var sumFactor = radiusPlus1 * (radiusPlus1 + 1) / 2;
-
     var stackStart = new BlurStack();
     var stack = stackStart;
-    var stackEnd = void 0;
+    var stackEnd;
+
     for (i = 1; i < div; i++) {
       stack = stack.next = new BlurStack();
+
       if (i === radiusPlus1) {
         stackEnd = stack;
       }
     }
+
     stack.next = stackStart;
     var stackIn = null;
     var stackOut = null;
-
     yw = yi = 0;
-
     var mulSum = mulTable[radius];
     var shgSum = shgTable[radius];
 
     for (y = 0; y < height; y++) {
       rInSum = gInSum = bInSum = aInSum = rSum = gSum = bSum = aSum = 0;
-
       rOutSum = radiusPlus1 * (pr = pixels[yi]);
       gOutSum = radiusPlus1 * (pg = pixels[yi + 1]);
       bOutSum = radiusPlus1 * (pb = pixels[yi + 2]);
       aOutSum = radiusPlus1 * (pa = pixels[yi + 3]);
-
       rSum += sumFactor * pr;
       gSum += sumFactor * pg;
       bSum += sumFactor * pb;
       aSum += sumFactor * pa;
-
       stack = stackStart;
 
       for (i = 0; i < radiusPlus1; i++) {
@@ -636,19 +687,19 @@ var canvg = (function (exports) {
         gSum += (stack.g = pg = pixels[p + 1]) * rbs;
         bSum += (stack.b = pb = pixels[p + 2]) * rbs;
         aSum += (stack.a = pa = pixels[p + 3]) * rbs;
-
         rInSum += pr;
         gInSum += pg;
         bInSum += pb;
         aInSum += pa;
-
         stack = stack.next;
       }
 
       stackIn = stackStart;
       stackOut = stackEnd;
+
       for (x = 0; x < width; x++) {
         pixels[yi + 3] = pa = aSum * mulSum >> shgSum;
+
         if (pa !== 0) {
           pa = 255 / pa;
           pixels[yi] = (rSum * mulSum >> shgSum) * pa;
@@ -662,57 +713,46 @@ var canvg = (function (exports) {
         gSum -= gOutSum;
         bSum -= bOutSum;
         aSum -= aOutSum;
-
         rOutSum -= stackIn.r;
         gOutSum -= stackIn.g;
         bOutSum -= stackIn.b;
         aOutSum -= stackIn.a;
-
         p = yw + ((p = x + radius + 1) < widthMinus1 ? p : widthMinus1) << 2;
-
         rInSum += stackIn.r = pixels[p];
         gInSum += stackIn.g = pixels[p + 1];
         bInSum += stackIn.b = pixels[p + 2];
         aInSum += stackIn.a = pixels[p + 3];
-
         rSum += rInSum;
         gSum += gInSum;
         bSum += bInSum;
         aSum += aInSum;
-
         stackIn = stackIn.next;
-
         rOutSum += pr = stackOut.r;
         gOutSum += pg = stackOut.g;
         bOutSum += pb = stackOut.b;
         aOutSum += pa = stackOut.a;
-
         rInSum -= pr;
         gInSum -= pg;
         bInSum -= pb;
         aInSum -= pa;
-
         stackOut = stackOut.next;
-
         yi += 4;
       }
+
       yw += width;
     }
 
     for (x = 0; x < width; x++) {
       gInSum = bInSum = aInSum = rInSum = gSum = bSum = aSum = rSum = 0;
-
       yi = x << 2;
       rOutSum = radiusPlus1 * (pr = pixels[yi]);
       gOutSum = radiusPlus1 * (pg = pixels[yi + 1]);
       bOutSum = radiusPlus1 * (pb = pixels[yi + 2]);
       aOutSum = radiusPlus1 * (pa = pixels[yi + 3]);
-
       rSum += sumFactor * pr;
       gSum += sumFactor * pg;
       bSum += sumFactor * pb;
       aSum += sumFactor * pa;
-
       stack = stackStart;
 
       for (i = 0; i < radiusPlus1; i++) {
@@ -727,17 +767,14 @@ var canvg = (function (exports) {
 
       for (i = 1; i <= radius; i++) {
         yi = yp + x << 2;
-
         rSum += (stack.r = pr = pixels[yi]) * (rbs = radiusPlus1 - i);
         gSum += (stack.g = pg = pixels[yi + 1]) * rbs;
         bSum += (stack.b = pb = pixels[yi + 2]) * rbs;
         aSum += (stack.a = pa = pixels[yi + 3]) * rbs;
-
         rInSum += pr;
         gInSum += pg;
         bInSum += pb;
         aInSum += pa;
-
         stack = stack.next;
 
         if (i < heightMinus1) {
@@ -748,9 +785,11 @@ var canvg = (function (exports) {
       yi = x;
       stackIn = stackStart;
       stackOut = stackEnd;
+
       for (y = 0; y < height; y++) {
         p = yi << 2;
         pixels[p + 3] = pa = aSum * mulSum >> shgSum;
+
         if (pa > 0) {
           pa = 255 / pa;
           pixels[p] = (rSum * mulSum >> shgSum) * pa;
@@ -764,44 +803,38 @@ var canvg = (function (exports) {
         gSum -= gOutSum;
         bSum -= bOutSum;
         aSum -= aOutSum;
-
         rOutSum -= stackIn.r;
         gOutSum -= stackIn.g;
         bOutSum -= stackIn.b;
         aOutSum -= stackIn.a;
-
         p = x + ((p = y + radiusPlus1) < heightMinus1 ? p : heightMinus1) * width << 2;
-
         rSum += rInSum += stackIn.r = pixels[p];
         gSum += gInSum += stackIn.g = pixels[p + 1];
         bSum += bInSum += stackIn.b = pixels[p + 2];
         aSum += aInSum += stackIn.a = pixels[p + 3];
-
         stackIn = stackIn.next;
-
         rOutSum += pr = stackOut.r;
         gOutSum += pg = stackOut.g;
         bOutSum += pb = stackOut.b;
         aOutSum += pa = stackOut.a;
-
         rInSum -= pr;
         gInSum -= pg;
         bInSum -= pb;
         aInSum -= pa;
-
         stackOut = stackOut.next;
-
         yi += width;
       }
     }
+
     return imageData;
   }
-
   /**
    *
    */
+
+
   var BlurStack = function BlurStack() {
-    classCallCheck(this, BlurStack);
+    _classCallCheck(this, BlurStack);
 
     this.r = 0;
     this.g = 0;
@@ -810,10 +843,7 @@ var canvg = (function (exports) {
     this.next = null;
   };
 
-  /* eslint-disable new-cap */
-
   var canvasRGBA_ = processCanvasRGBA;
-
   /**
   * @callback module:canvg.StackBlurCanvasRGBA
   * @param {string} id
@@ -833,10 +863,10 @@ var canvg = (function (exports) {
   * @function module:canvg.setStackBlurCanvasRGBA
   * @param {module:canvg.StackBlurCanvasRGBA} cb Will be passed the canvas ID, x, y, width, height, blurRadius
   */
+
   var setStackBlurCanvasRGBA = function setStackBlurCanvasRGBA(cb) {
     canvasRGBA_ = cb;
   };
-
   /**
   * @typedef {PlainObject} module:canvg.CanvgOptions
   * @property {boolean} opts.ignoreMouse true => ignore mouse events
@@ -860,11 +890,12 @@ var canvg = (function (exports) {
   * @param {module:canvg.CanvgOptions} [opts] Optional hash of options
   * @returns {Promise} All the function after the first render is completed with dom
   */
+
   var canvg = function canvg(target, s, opts) {
     // no parameters
     if (target == null && s == null && opts == null) {
       var svgTags = document.querySelectorAll('svg');
-      return Promise.all([].concat(toConsumableArray(svgTags)).map(function (svgTag) {
+      return Promise.all(_toConsumableArray(svgTags).map(function (svgTag) {
         var c = document.createElement('canvas');
         c.width = svgTag.clientWidth;
         c.height = svgTag.clientHeight;
@@ -878,54 +909,61 @@ var canvg = (function (exports) {
 
     if (typeof target === 'string') {
       target = document.getElementById(target);
-    }
+    } // store class on canvas
+
 
-    // store class on canvas
     if (target.svg != null) target.svg.stop();
-    var svg = build(opts || {});
-    // on i.e. 8 for flash canvas, we can't assign the property so check for it
+    var svg = build(opts || {}); // on i.e. 8 for flash canvas, we can't assign the property so check for it
+
     if (!(target.childNodes.length === 1 && target.childNodes[0].nodeName === 'OBJECT')) {
       target.svg = svg;
     }
 
     var ctx = target.getContext('2d');
+
     if (typeof s.documentElement !== 'undefined') {
       // load from xml doc
       return svg.loadXmlDoc(ctx, s);
     }
+
     if (s.substr(0, 1) === '<') {
       // load from xml string
       return svg.loadXml(ctx, s);
-    }
-    // load from url
+    } // load from url
+
+
     return svg.load(ctx, s);
   };
-
   /**
   * @param {module:canvg.CanvgOptions} opts
   * @returns {object}
   * @todo Flesh out exactly what object is returned here (after updating to latest and reincluding our changes here and those of StackBlur)
   */
-  function build(opts) {
-    var svg = { opts: opts };
 
+  function build(opts) {
+    var svg = {
+      opts: opts
+    };
     svg.FRAMERATE = 30;
     svg.MAX_VIRTUAL_PIXELS = 30000;
 
     svg.log = function (msg) {};
+
     if (svg.opts.log === true && typeof console !== 'undefined') {
       svg.log = function (msg) {
         console.log(msg);
       };
-    }
+    } // globals
+
 
-    // globals
     svg.init = function (ctx) {
       var uniqueId = 0;
+
       svg.UniqueId = function () {
         uniqueId++;
         return 'canvg' + uniqueId;
       };
+
       svg.Definitions = {};
       svg.Styles = {};
       svg.Animations = [];
@@ -937,7 +975,10 @@ var canvg = (function (exports) {
           this.viewPorts = [];
         },
         SetCurrent: function SetCurrent(width, height) {
-          this.viewPorts.push({ width: width, height: height });
+          this.viewPorts.push({
+            width: width,
+            height: height
+          });
         },
         RemoveCurrent: function RemoveCurrent() {
           this.viewPorts.pop();
@@ -959,28 +1000,29 @@ var canvg = (function (exports) {
         }
       };
     };
-    svg.init();
 
-    // images loaded
+    svg.init(); // images loaded
+
     svg.ImagesLoaded = function () {
       return svg.Images.every(function (img) {
         return img.loaded;
       });
-    };
+    }; // trim
+
 
-    // trim
     svg.trim = function (s) {
       return s.replace(/^\s+|\s+$/g, '');
-    };
+    }; // compress spaces
+
 
-    // compress spaces
     svg.compressSpaces = function (s) {
       return s.replace(/[\s\r\t\n]+/gm, ' ');
-    };
+    }; // ajax
+
 
-    // ajax
     svg.ajax = function (url, asynch) {
       var AJAX = window.XMLHttpRequest ? new XMLHttpRequest() : new window.ActiveXObject('Microsoft.XMLHTTP');
+
       if (asynch) {
         return new Promise(function (resolve, reject) {
           var req = AJAX.open('GET', url, true);
@@ -994,9 +1036,9 @@ var canvg = (function (exports) {
       AJAX.open('GET', url, false);
       AJAX.send(null);
       return AJAX.responseText;
-    };
+    }; // parse xml
+
 
-    // parse xml
     svg.parseXml = function (xml) {
       if (window.DOMParser) {
         var parser = new DOMParser();
@@ -1008,10 +1050,10 @@ var canvg = (function (exports) {
         xmlDoc.loadXML(xml);
         return xmlDoc;
       }
-    };
-
-    // text extensions
+    }; // text extensions
     // get the text baseline
+
+
     var textBaselineMapping = {
       baseline: 'alphabetic',
       'before-edge': 'top',
@@ -1026,141 +1068,139 @@ var canvg = (function (exports) {
       mathematical: 'alphabetic'
     };
 
-    svg.Property = function () {
+    svg.Property =
+    /*#__PURE__*/
+    function () {
       function Property(name, value) {
-        classCallCheck(this, Property);
+        _classCallCheck(this, Property);
 
         this.name = name;
         this.value = value;
       }
 
-      createClass(Property, [{
-        key: 'getValue',
+      _createClass(Property, [{
+        key: "getValue",
         value: function getValue() {
           return this.value;
         }
       }, {
-        key: 'hasValue',
+        key: "hasValue",
         value: function hasValue() {
           return this.value != null && this.value !== '';
-        }
-
-        // return the numerical value of the property
+        } // return the numerical value of the property
 
       }, {
-        key: 'numValue',
+        key: "numValue",
         value: function numValue() {
           if (!this.hasValue()) return 0;
-
           var n = parseFloat(this.value);
+
           if ((this.value + '').match(/%$/)) {
             n = n / 100.0;
           }
+
           return n;
         }
       }, {
-        key: 'valueOrDefault',
+        key: "valueOrDefault",
         value: function valueOrDefault(def) {
           if (this.hasValue()) return this.value;
           return def;
         }
       }, {
-        key: 'numValueOrDefault',
+        key: "numValueOrDefault",
         value: function numValueOrDefault(def) {
           if (this.hasValue()) return this.numValue();
           return def;
-        }
-
-        // color extensions
+        } // color extensions
         // augment the current color value with the opacity
 
       }, {
-        key: 'addOpacity',
+        key: "addOpacity",
         value: function addOpacity(opacityProp) {
           var newValue = this.value;
+
           if (opacityProp.value != null && opacityProp.value !== '' && typeof this.value === 'string') {
             // can only add opacity to colors, not patterns
             var color = new RGBColor(this.value);
+
             if (color.ok) {
               newValue = 'rgba(' + color.r + ', ' + color.g + ', ' + color.b + ', ' + opacityProp.numValue() + ')';
             }
           }
-          return new svg.Property(this.name, newValue);
-        }
 
-        // definition extensions
+          return new svg.Property(this.name, newValue);
+        } // definition extensions
         // get the definition from the definitions table
 
       }, {
-        key: 'getDefinition',
+        key: "getDefinition",
         value: function getDefinition() {
           var name = this.value.match(/#([^)'"]+)/);
+
           if (name) {
             name = name[1];
           }
+
           if (!name) {
             name = this.value;
           }
+
           return svg.Definitions[name];
         }
       }, {
-        key: 'isUrlDefinition',
+        key: "isUrlDefinition",
         value: function isUrlDefinition() {
           return this.value.startsWith('url(');
         }
       }, {
-        key: 'getFillStyleDefinition',
+        key: "getFillStyleDefinition",
         value: function getFillStyleDefinition(e, opacityProp) {
-          var def = this.getDefinition();
+          var def = this.getDefinition(); // gradient
 
-          // gradient
           if (def != null && def.createGradient) {
             return def.createGradient(svg.ctx, e, opacityProp);
-          }
+          } // pattern
+
 
-          // pattern
           if (def != null && def.createPattern) {
             if (def.getHrefAttribute().hasValue()) {
               var pt = def.attribute('patternTransform');
               def = def.getHrefAttribute().getDefinition();
+
               if (pt.hasValue()) {
                 def.attribute('patternTransform', true).value = pt.value;
               }
             }
+
             return def.createPattern(svg.ctx, e);
           }
 
           return null;
-        }
-
-        // length extensions
+        } // length extensions
 
       }, {
-        key: 'getDPI',
+        key: "getDPI",
         value: function getDPI(viewPort) {
           return 96.0; // TODO: compute?
         }
       }, {
-        key: 'getEM',
+        key: "getEM",
         value: function getEM(viewPort) {
           var em = 12;
-
           var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
           if (fontSize.hasValue()) em = fontSize.toPixels(viewPort);
-
           return em;
         }
       }, {
-        key: 'getUnits',
+        key: "getUnits",
         value: function getUnits() {
           var s = this.value + '';
           return s.replace(/[0-9.-]/g, '');
-        }
-
-        // get the length as pixels
+        } // get the length as pixels
 
       }, {
-        key: 'toPixels',
+        key: "toPixels",
         value: function toPixels(viewPort, processPercent) {
           if (!this.hasValue()) return 0;
           var s = this.value + '';
@@ -1176,26 +1216,22 @@ var canvg = (function (exports) {
           var n = this.numValue();
           if (processPercent && n < 1.0) return n * svg.ViewPort.ComputeSize(viewPort);
           return n;
-        }
-
-        // time extensions
+        } // time extensions
         // get the time as milliseconds
 
       }, {
-        key: 'toMilliseconds',
+        key: "toMilliseconds",
         value: function toMilliseconds() {
           if (!this.hasValue()) return 0;
           var s = this.value + '';
           if (s.match(/s$/)) return this.numValue() * 1000;
           if (s.match(/ms$/)) return this.numValue();
           return this.numValue();
-        }
-
-        // angle extensions
+        } // angle extensions
         // get the angle as radians
 
       }, {
-        key: 'toRadians',
+        key: "toRadians",
         value: function toRadians() {
           if (!this.hasValue()) return 0;
           var s = this.value + '';
@@ -1205,21 +1241,21 @@ var canvg = (function (exports) {
           return this.numValue() * (Math.PI / 180.0);
         }
       }, {
-        key: 'toTextBaseline',
+        key: "toTextBaseline",
         value: function toTextBaseline() {
           if (!this.hasValue()) return null;
           return textBaselineMapping[this.value];
         }
       }]);
-      return Property;
-    }();
 
-    // fonts
+      return Property;
+    }(); // fonts
+
+
     svg.Font = {
       Styles: 'normal|italic|oblique|inherit',
       Variants: 'normal|small-caps|inherit',
       Weights: 'normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900|inherit',
-
       CreateFont: function CreateFont(fontStyle, fontVariant, fontWeight, fontSize, fontFamily, inherit) {
         var f = inherit != null ? this.Parse(inherit) : this.CreateFont('', '', '', '', '', svg.ctx.font);
         return {
@@ -1238,66 +1274,77 @@ var canvg = (function (exports) {
 
         var f = {};
         var d = svg.trim(svg.compressSpaces(s || '')).split(' ');
-        var set$$1 = {
-          fontSize: false, fontStyle: false, fontWeight: false, fontVariant: false
+        var set = {
+          fontSize: false,
+          fontStyle: false,
+          fontWeight: false,
+          fontVariant: false
         };
         var ff = '';
         d.forEach(function (d) {
-          if (!set$$1.fontStyle && _this.Styles.includes(d)) {
+          if (!set.fontStyle && _this.Styles.includes(d)) {
             if (d !== 'inherit') {
               f.fontStyle = d;
             }
-            set$$1.fontStyle = true;
-          } else if (!set$$1.fontVariant && _this.Variants.includes(d)) {
+
+            set.fontStyle = true;
+          } else if (!set.fontVariant && _this.Variants.includes(d)) {
             if (d !== 'inherit') {
               f.fontVariant = d;
             }
-            set$$1.fontStyle = set$$1.fontVariant = true;
-          } else if (!set$$1.fontWeight && _this.Weights.includes(d)) {
+
+            set.fontStyle = set.fontVariant = true;
+          } else if (!set.fontWeight && _this.Weights.includes(d)) {
             if (d !== 'inherit') {
               f.fontWeight = d;
             }
-            set$$1.fontStyle = set$$1.fontVariant = set$$1.fontWeight = true;
-          } else if (!set$$1.fontSize) {
+
+            set.fontStyle = set.fontVariant = set.fontWeight = true;
+          } else if (!set.fontSize) {
             if (d !== 'inherit') {
               f.fontSize = d.split('/')[0];
             }
-            set$$1.fontStyle = set$$1.fontVariant = set$$1.fontWeight = set$$1.fontSize = true;
+
+            set.fontStyle = set.fontVariant = set.fontWeight = set.fontSize = true;
           } else {
             if (d !== 'inherit') {
               ff += d;
             }
           }
         });
+
         if (ff !== '') {
           f.fontFamily = ff;
         }
+
         return f;
       }
-    };
+    }; // points and paths
 
-    // points and paths
     svg.ToNumberArray = function (s) {
       var a = svg.trim(svg.compressSpaces((s || '').replace(/,/g, ' '))).split(' ');
       return a.map(function (a) {
         return parseFloat(a);
       });
     };
-    svg.Point = function () {
+
+    svg.Point =
+    /*#__PURE__*/
+    function () {
       function _class(x, y) {
-        classCallCheck(this, _class);
+        _classCallCheck(this, _class);
 
         this.x = x;
         this.y = y;
       }
 
-      createClass(_class, [{
-        key: 'angleTo',
+      _createClass(_class, [{
+        key: "angleTo",
         value: function angleTo(p) {
           return Math.atan2(p.y - this.y, p.x - this.x);
         }
       }, {
-        key: 'applyTransform',
+        key: "applyTransform",
         value: function applyTransform(v) {
           var xp = this.x * v[0] + this.y * v[2] + v[4];
           var yp = this.x * v[1] + this.y * v[3] + v[5];
@@ -1305,6 +1352,7 @@ var canvg = (function (exports) {
           this.y = yp;
         }
       }]);
+
       return _class;
     }();
 
@@ -1312,19 +1360,25 @@ var canvg = (function (exports) {
       var a = svg.ToNumberArray(s);
       return new svg.Point(a[0], a[1]);
     };
+
     svg.CreatePath = function (s) {
       var a = svg.ToNumberArray(s);
       var path = [];
+
       for (var i = 0; i < a.length; i += 2) {
         path.push(new svg.Point(a[i], a[i + 1]));
       }
-      return path;
-    };
 
-    // bounding box
-    svg.BoundingBox = function () {
+      return path;
+    }; // bounding box
+
+
+    svg.BoundingBox =
+    /*#__PURE__*/
+    function () {
       function _class2(x1, y1, x2, y2) {
-        classCallCheck(this, _class2);
+        _classCallCheck(this, _class2);
+
         // pass in initial points if you want
         this.x1 = Number.NaN;
         this.y1 = Number.NaN;
@@ -1334,34 +1388,35 @@ var canvg = (function (exports) {
         this.addPoint(x2, y2);
       }
 
-      createClass(_class2, [{
-        key: 'x',
+      _createClass(_class2, [{
+        key: "x",
         value: function x() {
           return this.x1;
         }
       }, {
-        key: 'y',
+        key: "y",
         value: function y() {
           return this.y1;
         }
       }, {
-        key: 'width',
+        key: "width",
         value: function width() {
           return this.x2 - this.x1;
         }
       }, {
-        key: 'height',
+        key: "height",
         value: function height() {
           return this.y2 - this.y1;
         }
       }, {
-        key: 'addPoint',
+        key: "addPoint",
         value: function addPoint(x, y) {
           if (x != null) {
             if (isNaN(this.x1) || isNaN(this.x2)) {
               this.x1 = x;
               this.x2 = x;
             }
+
             if (x < this.x1) this.x1 = x;
             if (x > this.x2) this.x2 = x;
           }
@@ -1371,37 +1426,42 @@ var canvg = (function (exports) {
               this.y1 = y;
               this.y2 = y;
             }
+
             if (y < this.y1) this.y1 = y;
             if (y > this.y2) this.y2 = y;
           }
         }
       }, {
-        key: 'addX',
+        key: "addX",
         value: function addX(x) {
           this.addPoint(x, null);
         }
       }, {
-        key: 'addY',
+        key: "addY",
         value: function addY(y) {
           this.addPoint(null, y);
         }
       }, {
-        key: 'addBoundingBox',
+        key: "addBoundingBox",
         value: function addBoundingBox(bb) {
           this.addPoint(bb.x1, bb.y1);
           this.addPoint(bb.x2, bb.y2);
         }
       }, {
-        key: 'addQuadraticCurve',
+        key: "addQuadraticCurve",
         value: function addQuadraticCurve(p0x, p0y, p1x, p1y, p2x, p2y) {
           var cp1x = p0x + 2 / 3 * (p1x - p0x); // CP1 = QP0 + 2/3 *(QP1-QP0)
+
           var cp1y = p0y + 2 / 3 * (p1y - p0y); // CP1 = QP0 + 2/3 *(QP1-QP0)
+
           var cp2x = cp1x + 1 / 3 * (p2x - p0x); // CP2 = CP1 + 1/3 *(QP2-QP0)
+
           var cp2y = cp1y + 1 / 3 * (p2y - p0y); // CP2 = CP1 + 1/3 *(QP2-QP0)
+
           this.addBezierCurve(p0x, p0y, cp1x, cp2x, cp1y, cp2y, p2x, p2y);
         }
       }, {
-        key: 'addBezierCurve',
+        key: "addBezierCurve",
         value: function addBezierCurve(p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y) {
           var _this2 = this;
 
@@ -1423,23 +1483,28 @@ var canvg = (function (exports) {
             var c = 3 * p1[i] - 3 * p0[i];
 
             if (a === 0) {
-              if (b === 0) return 'continue';
+              if (b === 0) return "continue";
               var t = -c / b;
+
               if (t > 0 && t < 1) {
                 if (i === 0) _this2.addX(f(t));
                 if (i === 1) _this2.addY(f(t));
               }
-              return 'continue';
+
+              return "continue";
             }
 
             var b2ac = Math.pow(b, 2) - 4 * c * a;
-            if (b2ac < 0) return 'continue';
+            if (b2ac < 0) return "continue";
             var t1 = (-b + Math.sqrt(b2ac)) / (2 * a);
+
             if (t1 > 0 && t1 < 1) {
               if (i === 0) _this2.addX(f(t1));
               if (i === 1) _this2.addY(f(t1));
             }
+
             var t2 = (-b - Math.sqrt(b2ac)) / (2 * a);
+
             if (t2 > 0 && t2 < 1) {
               if (i === 0) _this2.addX(f(t2));
               if (i === 1) _this2.addY(f(t2));
@@ -1449,57 +1514,66 @@ var canvg = (function (exports) {
           for (var i = 0; i <= 1; i++) {
             var _ret = _loop(i);
 
-            if (_ret === 'continue') continue;
+            if (_ret === "continue") continue;
           }
         }
       }, {
-        key: 'isPointInBox',
+        key: "isPointInBox",
         value: function isPointInBox(x, y) {
           return this.x1 <= x && x <= this.x2 && this.y1 <= y && y <= this.y2;
         }
       }]);
-      return _class2;
-    }();
 
-    // transforms
-    svg.Transform = function () {
+      return _class2;
+    }(); // transforms
+
+
+    svg.Transform =
+    /*#__PURE__*/
+    function () {
       function _class3(v) {
         var _this6 = this;
 
-        classCallCheck(this, _class3);
+        _classCallCheck(this, _class3);
 
         this.Type = {
           translate: function translate(s) {
-            classCallCheck(this, translate);
+            _classCallCheck(this, translate);
 
             this.p = svg.CreatePoint(s);
+
             this.apply = function (ctx) {
               ctx.translate(this.p.x || 0.0, this.p.y || 0.0);
             };
+
             this.unapply = function (ctx) {
               ctx.translate(-1.0 * this.p.x || 0.0, -1.0 * this.p.y || 0.0);
             };
+
             this.applyToPoint = function (p) {
               p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]);
             };
           },
           rotate: function rotate(s) {
-            classCallCheck(this, rotate);
+            _classCallCheck(this, rotate);
 
             var a = svg.ToNumberArray(s);
             this.angle = new svg.Property('angle', a[0]);
             this.cx = a[1] || 0;
             this.cy = a[2] || 0;
+
             this.apply = function (ctx) {
               ctx.translate(this.cx, this.cy);
               ctx.rotate(this.angle.toRadians());
               ctx.translate(-this.cx, -this.cy);
             };
+
             this.unapply = function (ctx) {
               ctx.translate(this.cx, this.cy);
               ctx.rotate(-1.0 * this.angle.toRadians());
               ctx.translate(-this.cx, -this.cy);
             };
+
             this.applyToPoint = function (p) {
               var a = this.angle.toRadians();
               p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]);
@@ -1508,40 +1582,48 @@ var canvg = (function (exports) {
             };
           },
           scale: function scale(s) {
-            classCallCheck(this, scale);
+            _classCallCheck(this, scale);
 
             this.p = svg.CreatePoint(s);
+
             this.apply = function (ctx) {
               ctx.scale(this.p.x || 1.0, this.p.y || this.p.x || 1.0);
             };
+
             this.unapply = function (ctx) {
               ctx.scale(1.0 / this.p.x || 1.0, 1.0 / this.p.y || this.p.x || 1.0);
             };
+
             this.applyToPoint = function (p) {
               p.applyTransform([this.p.x || 0.0, 0, 0, this.p.y || 0.0, 0, 0]);
             };
           },
           matrix: function matrix(s) {
-            classCallCheck(this, matrix);
+            _classCallCheck(this, matrix);
 
             this.m = svg.ToNumberArray(s);
+
             this.apply = function (ctx) {
               ctx.transform(this.m[0], this.m[1], this.m[2], this.m[3], this.m[4], this.m[5]);
             };
+
             this.applyToPoint = function (p) {
               p.applyTransform(this.m);
             };
           }
         };
         Object.assign(this.Type, {
-          SkewBase: function (_Type$matrix) {
-            inherits(SkewBase, _Type$matrix);
+          SkewBase:
+          /*#__PURE__*/
+          function (_this$Type$matrix) {
+            _inherits(SkewBase, _this$Type$matrix);
 
             function SkewBase(s) {
-              classCallCheck(this, SkewBase);
+              var _this3;
 
-              var _this3 = possibleConstructorReturn(this, (SkewBase.__proto__ || Object.getPrototypeOf(SkewBase)).call(this, s));
+              _classCallCheck(this, SkewBase);
 
+              _this3 = _possibleConstructorReturn(this, _getPrototypeOf(SkewBase).call(this, s));
               _this3.angle = new svg.Property('angle', s);
               return _this3;
             }
@@ -1550,28 +1632,34 @@ var canvg = (function (exports) {
           }(this.Type.matrix)
         });
         Object.assign(this.Type, {
-          skewX: function (_Type$SkewBase) {
-            inherits(skewX, _Type$SkewBase);
+          skewX:
+          /*#__PURE__*/
+          function (_this$Type$SkewBase) {
+            _inherits(skewX, _this$Type$SkewBase);
 
             function skewX(s) {
-              classCallCheck(this, skewX);
+              var _this4;
 
-              var _this4 = possibleConstructorReturn(this, (skewX.__proto__ || Object.getPrototypeOf(skewX)).call(this, s));
+              _classCallCheck(this, skewX);
 
+              _this4 = _possibleConstructorReturn(this, _getPrototypeOf(skewX).call(this, s));
               _this4.m = [1, 0, Math.tan(_this4.angle.toRadians()), 1, 0, 0];
               return _this4;
             }
 
             return skewX;
           }(this.Type.SkewBase),
-          skewY: function (_Type$SkewBase2) {
-            inherits(skewY, _Type$SkewBase2);
+          skewY:
+          /*#__PURE__*/
+          function (_this$Type$SkewBase2) {
+            _inherits(skewY, _this$Type$SkewBase2);
 
             function skewY(s) {
-              classCallCheck(this, skewY);
+              var _this5;
 
-              var _this5 = possibleConstructorReturn(this, (skewY.__proto__ || Object.getPrototypeOf(skewY)).call(this, s));
+              _classCallCheck(this, skewY);
 
+              _this5 = _possibleConstructorReturn(this, _getPrototypeOf(skewY).call(this, s));
               _this5.m = [1, Math.tan(_this5.angle.toRadians()), 0, 1, 0, 0];
               return _this5;
             }
@@ -1579,7 +1667,6 @@ var canvg = (function (exports) {
             return skewY;
           }(this.Type.SkewBase)
         });
-
         var data = svg.trim(svg.compressSpaces(v)).replace(/\)([a-zA-Z])/g, ') $1').replace(/\)(\s?,\s?)/g, ') ').split(/\s(?=[a-z])/);
         this.transforms = data.map(function (d) {
           var type = svg.trim(d.split('(')[0]);
@@ -1590,53 +1677,59 @@ var canvg = (function (exports) {
         });
       }
 
-      createClass(_class3, [{
-        key: 'apply',
+      _createClass(_class3, [{
+        key: "apply",
         value: function apply(ctx) {
           this.transforms.forEach(function (transform) {
             transform.apply(ctx);
           });
         }
       }, {
-        key: 'unapply',
+        key: "unapply",
         value: function unapply(ctx) {
           for (var i = this.transforms.length - 1; i >= 0; i--) {
             this.transforms[i].unapply(ctx);
           }
         }
       }, {
-        key: 'applyToPoint',
+        key: "applyToPoint",
         value: function applyToPoint(p) {
           this.transforms.forEach(function (transform) {
             transform.applyToPoint(p);
           });
         }
       }]);
-      return _class3;
-    }();
 
-    // aspect ratio
+      return _class3;
+    }(); // aspect ratio
+
+
     svg.AspectRatio = function (ctx, aspectRatio, width, desiredWidth, height, desiredHeight, minX, minY, refX, refY) {
       // aspect ratio - https://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute
       aspectRatio = svg.compressSpaces(aspectRatio);
       aspectRatio = aspectRatio.replace(/^defer\s/, ''); // ignore defer
-      var align = aspectRatio.split(' ')[0] || 'xMidYMid';
-      var meetOrSlice = aspectRatio.split(' ')[1] || 'meet';
 
-      // calculate scale
+      var align = aspectRatio.split(' ')[0] || 'xMidYMid';
+      var meetOrSlice = aspectRatio.split(' ')[1] || 'meet'; // calculate scale
+
       var scaleX = width / desiredWidth;
       var scaleY = height / desiredHeight;
       var scaleMin = Math.min(scaleX, scaleY);
       var scaleMax = Math.max(scaleX, scaleY);
+
       if (meetOrSlice === 'meet') {
-        desiredWidth *= scaleMin;desiredHeight *= scaleMin;
+        desiredWidth *= scaleMin;
+        desiredHeight *= scaleMin;
       }
+
       if (meetOrSlice === 'slice') {
-        desiredWidth *= scaleMax;desiredHeight *= scaleMax;
+        desiredWidth *= scaleMax;
+        desiredHeight *= scaleMax;
       }
 
       refX = new svg.Property('refX', refX);
       refY = new svg.Property('refY', refY);
+
       if (refX.hasValue() && refY.hasValue()) {
         ctx.translate(-scaleMin * refX.toPixels('x'), -scaleMin * refY.toPixels('y'));
       } else {
@@ -1645,92 +1738,104 @@ var canvg = (function (exports) {
         if (align.match(/YMid$/) && (meetOrSlice === 'meet' && scaleMin === scaleX || meetOrSlice === 'slice' && scaleMax === scaleX)) ctx.translate(0, height / 2.0 - desiredHeight / 2.0);
         if (align.match(/^xMax/) && (meetOrSlice === 'meet' && scaleMin === scaleY || meetOrSlice === 'slice' && scaleMax === scaleY)) ctx.translate(width - desiredWidth, 0);
         if (align.match(/YMax$/) && (meetOrSlice === 'meet' && scaleMin === scaleX || meetOrSlice === 'slice' && scaleMax === scaleX)) ctx.translate(0, height - desiredHeight);
-      }
+      } // scale
 
-      // scale
-      if (align === 'none') ctx.scale(scaleX, scaleY);else if (meetOrSlice === 'meet') ctx.scale(scaleMin, scaleMin);else if (meetOrSlice === 'slice') ctx.scale(scaleMax, scaleMax);
 
-      // translate
+      if (align === 'none') ctx.scale(scaleX, scaleY);else if (meetOrSlice === 'meet') ctx.scale(scaleMin, scaleMin);else if (meetOrSlice === 'slice') ctx.scale(scaleMax, scaleMax); // translate
+
       ctx.translate(minX == null ? 0 : -minX, minY == null ? 0 : -minY);
-    };
+    }; // elements
+
 
-    // elements
     svg.Element = {};
-
     svg.EmptyProperty = new svg.Property('EMPTY', '');
 
-    svg.Element.ElementBase = function () {
+    svg.Element.ElementBase =
+    /*#__PURE__*/
+    function () {
       function _class4(node) {
         var _this7 = this;
 
-        classCallCheck(this, _class4);
+        _classCallCheck(this, _class4);
 
         this.captureTextNodes = arguments[1]; // Argument from inheriting class
+
         this.attributes = {};
         this.styles = {};
         this.children = [];
+
         if (node != null && node.nodeType === 1) {
           // ELEMENT_NODE
           // add children
-          [].concat(toConsumableArray(node.childNodes)).forEach(function (childNode) {
+          _toConsumableArray(node.childNodes).forEach(function (childNode) {
             if (childNode.nodeType === 1) {
               _this7.addChild(childNode, true); // ELEMENT_NODE
+
             }
+
             if (_this7.captureTextNodes && (childNode.nodeType === 3 || childNode.nodeType === 4)) {
               var text = childNode.nodeValue || childNode.text || '';
+
               if (svg.trim(svg.compressSpaces(text)) !== '') {
                 _this7.addChild(new svg.Element.tspan(childNode), false); // TEXT_NODE
+
               }
             }
-          });
+          }); // add attributes
 
-          // add attributes
-          [].concat(toConsumableArray(node.attributes)).forEach(function (_ref) {
+
+          _toConsumableArray(node.attributes).forEach(function (_ref) {
             var nodeName = _ref.nodeName,
                 nodeValue = _ref.nodeValue;
-
             _this7.attributes[nodeName] = new svg.Property(nodeName, nodeValue);
-          });
-          // add tag styles
+          }); // add tag styles
+
+
           var styles = svg.Styles[node.nodeName];
+
           if (styles != null) {
             for (var name in styles) {
               this.styles[name] = styles[name];
             }
-          }
+          } // add class styles
+
 
-          // add class styles
           if (this.attribute('class').hasValue()) {
             var classes = svg.compressSpaces(this.attribute('class').value).split(' ');
             classes.forEach(function (clss) {
               styles = svg.Styles['.' + clss];
+
               if (styles != null) {
                 for (var _name in styles) {
                   _this7.styles[_name] = styles[_name];
                 }
               }
+
               styles = svg.Styles[node.nodeName + '.' + clss];
+
               if (styles != null) {
                 for (var _name2 in styles) {
                   _this7.styles[_name2] = styles[_name2];
                 }
               }
             });
-          }
+          } // add id styles
+
 
-          // add id styles
           if (this.attribute('id').hasValue()) {
             var _styles = svg.Styles['#' + this.attribute('id').value];
+
             if (_styles != null) {
               for (var _name3 in _styles) {
                 this.styles[_name3] = _styles[_name3];
               }
             }
-          }
+          } // add inline styles
+
 
-          // add inline styles
           if (this.attribute('style').hasValue()) {
             var _styles2 = this.attribute('style').value.split(';');
+
             _styles2.forEach(function (style) {
               if (svg.trim(style) !== '') {
                 var _style$split = style.split(':'),
@@ -1742,60 +1847,62 @@ var canvg = (function (exports) {
                 _this7.styles[_name4] = new svg.Property(_name4, value);
               }
             });
-          }
+          } // add id
+
 
-          // add id
           if (this.attribute('id').hasValue()) {
             if (svg.Definitions[this.attribute('id').value] == null) {
               svg.Definitions[this.attribute('id').value] = this;
             }
           }
         }
-      }
-
-      // get or create attribute
+      } // get or create attribute
 
 
-      createClass(_class4, [{
-        key: 'attribute',
+      _createClass(_class4, [{
+        key: "attribute",
         value: function attribute(name, createIfNotExists) {
           var a = this.attributes[name];
           if (a != null) return a;
 
           if (createIfNotExists === true) {
-            a = new svg.Property(name, '');this.attributes[name] = a;
+            a = new svg.Property(name, '');
+            this.attributes[name] = a;
           }
+
           return a || svg.EmptyProperty;
         }
       }, {
-        key: 'getHrefAttribute',
+        key: "getHrefAttribute",
         value: function getHrefAttribute() {
           for (var a in this.attributes) {
             if (a.match(/:href$/)) {
               return this.attributes[a];
             }
           }
-          return svg.EmptyProperty;
-        }
 
-        // get or create style, crawls up node tree
+          return svg.EmptyProperty;
+        } // get or create style, crawls up node tree
 
       }, {
-        key: 'style',
+        key: "style",
         value: function style(name, createIfNotExists, skipAncestors) {
           var s = this.styles[name];
           if (s != null) return s;
-
           var a = this.attribute(name);
+
           if (a != null && a.hasValue()) {
             this.styles[name] = a; // move up to me to cache
+
             return a;
           }
 
           if (skipAncestors !== true) {
             var p = this.parent;
+
             if (p != null) {
               var ps = p.style(name);
+
               if (ps != null && ps.hasValue()) {
                 return ps;
               }
@@ -1803,23 +1910,22 @@ var canvg = (function (exports) {
           }
 
           if (createIfNotExists === true) {
-            s = new svg.Property(name, '');this.styles[name] = s;
+            s = new svg.Property(name, '');
+            this.styles[name] = s;
           }
-          return s || svg.EmptyProperty;
-        }
 
-        // base render
+          return s || svg.EmptyProperty;
+        } // base render
 
       }, {
-        key: 'render',
+        key: "render",
         value: function render(ctx) {
           // don't render display=none
-          if (this.style('display').value === 'none') return;
+          if (this.style('display').value === 'none') return; // don't render visibility=hidden
 
-          // don't render visibility=hidden
           if (this.style('visibility').value === 'hidden') return;
-
           ctx.save();
+
           if (this.attribute('mask').hasValue()) {
             // mask
             var mask = this.attribute('mask').getDefinition();
@@ -1833,57 +1939,55 @@ var canvg = (function (exports) {
             this.renderChildren(ctx);
             this.clearContext(ctx);
           }
-          ctx.restore();
-        }
 
-        // base set context
+          ctx.restore();
+        } // base set context
 
       }, {
-        key: 'setContext',
-        value: function setContext(ctx) {}
-        // OVERRIDE ME!
-
-
+        key: "setContext",
+        value: function setContext(ctx) {} // OVERRIDE ME!
         // base clear context
 
       }, {
-        key: 'clearContext',
-        value: function clearContext(ctx) {}
-        // OVERRIDE ME!
-
-
+        key: "clearContext",
+        value: function clearContext(ctx) {} // OVERRIDE ME!
         // base render children
 
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           this.children.forEach(function (child) {
             child.render(ctx);
           });
         }
       }, {
-        key: 'addChild',
+        key: "addChild",
         value: function addChild(childNode, create) {
           var child = create ? svg.CreateElement(childNode) : childNode;
           child.parent = this;
+
           if (child.type !== 'title') {
             this.children.push(child);
           }
         }
       }]);
+
       return _class4;
     }();
 
-    svg.Element.RenderedElementBase = function (_svg$Element$ElementB) {
-      inherits(_class5, _svg$Element$ElementB);
+    svg.Element.RenderedElementBase =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB) {
+      _inherits(_class5, _svg$Element$ElementB);
 
       function _class5() {
-        classCallCheck(this, _class5);
-        return possibleConstructorReturn(this, (_class5.__proto__ || Object.getPrototypeOf(_class5)).apply(this, arguments));
+        _classCallCheck(this, _class5);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class5).apply(this, arguments));
       }
 
-      createClass(_class5, [{
-        key: 'setContext',
+      _createClass(_class5, [{
+        key: "setContext",
         value: function setContext(ctx) {
           // fill
           if (this.style('fill').isUrlDefinition()) {
@@ -1894,35 +1998,44 @@ var canvg = (function (exports) {
             if (fillStyle.value === 'currentColor') fillStyle.value = this.style('color').value;
             ctx.fillStyle = fillStyle.value === 'none' ? 'rgba(0,0,0,0)' : fillStyle.value;
           }
+
           if (this.style('fill-opacity').hasValue()) {
             var _fillStyle = new svg.Property('fill', ctx.fillStyle);
+
             _fillStyle = _fillStyle.addOpacity(this.style('fill-opacity'));
             ctx.fillStyle = _fillStyle.value;
-          }
+          } // stroke
+
 
-          // stroke
           if (this.style('stroke').isUrlDefinition()) {
             var _fs = this.style('stroke').getFillStyleDefinition(this, this.style('stroke-opacity'));
+
             if (_fs != null) ctx.strokeStyle = _fs;
           } else if (this.style('stroke').hasValue()) {
             var strokeStyle = this.style('stroke');
             if (strokeStyle.value === 'currentColor') strokeStyle.value = this.style('color').value;
             ctx.strokeStyle = strokeStyle.value === 'none' ? 'rgba(0,0,0,0)' : strokeStyle.value;
           }
+
           if (this.style('stroke-opacity').hasValue()) {
             var _strokeStyle = new svg.Property('stroke', ctx.strokeStyle);
+
             _strokeStyle = _strokeStyle.addOpacity(this.style('stroke-opacity'));
             ctx.strokeStyle = _strokeStyle.value;
           }
+
           if (this.style('stroke-width').hasValue()) {
             var newLineWidth = this.style('stroke-width').toPixels();
             ctx.lineWidth = newLineWidth === 0 ? 0.001 : newLineWidth; // browsers don't respect 0
           }
+
           if (this.style('stroke-linecap').hasValue()) ctx.lineCap = this.style('stroke-linecap').value;
           if (this.style('stroke-linejoin').hasValue()) ctx.lineJoin = this.style('stroke-linejoin').value;
           if (this.style('stroke-miterlimit').hasValue()) ctx.miterLimit = this.style('stroke-miterlimit').value;
+
           if (this.style('stroke-dasharray').hasValue() && this.style('stroke-dasharray').value !== 'none') {
             var gaps = svg.ToNumberArray(this.style('stroke-dasharray').value);
+
             if (typeof ctx.setLineDash !== 'undefined') {
               ctx.setLineDash(gaps);
             } else if (typeof ctx.webkitLineDash !== 'undefined') {
@@ -1932,6 +2045,7 @@ var canvg = (function (exports) {
             }
 
             var offset = this.style('stroke-dashoffset').numValueOrDefault(1);
+
             if (typeof ctx.lineDashOffset !== 'undefined') {
               ctx.lineDashOffset = offset;
             } else if (typeof ctx.webkitLineDashOffset !== 'undefined') {
@@ -1939,53 +2053,58 @@ var canvg = (function (exports) {
             } else if (typeof ctx.mozDashOffset !== 'undefined') {
               ctx.mozDashOffset = offset;
             }
-          }
+          } // font
+
 
-          // font
           if (typeof ctx.font !== 'undefined') {
             ctx.font = svg.Font.CreateFont(this.style('font-style').value, this.style('font-variant').value, this.style('font-weight').value, this.style('font-size').hasValue() ? this.style('font-size').toPixels() + 'px' : '', this.style('font-family').value).toString();
-          }
+          } // transform
+
 
-          // transform
           if (this.attribute('transform').hasValue()) {
             var transform = new svg.Transform(this.attribute('transform').value);
             transform.apply(ctx);
-          }
+          } // clip
+
 
-          // clip
           if (this.style('clip-path', false, true).hasValue()) {
             var clip = this.style('clip-path', false, true).getDefinition();
             if (clip != null) clip.apply(ctx);
-          }
+          } // opacity
+
 
-          // opacity
           if (this.style('opacity').hasValue()) {
             ctx.globalAlpha = this.style('opacity').numValue();
           }
         }
       }]);
+
       return _class5;
     }(svg.Element.ElementBase);
 
-    svg.Element.PathElementBase = function (_svg$Element$Rendered) {
-      inherits(_class6, _svg$Element$Rendered);
+    svg.Element.PathElementBase =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered) {
+      _inherits(_class6, _svg$Element$Rendered);
 
       function _class6() {
-        classCallCheck(this, _class6);
-        return possibleConstructorReturn(this, (_class6.__proto__ || Object.getPrototypeOf(_class6)).apply(this, arguments));
+        _classCallCheck(this, _class6);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class6).apply(this, arguments));
       }
 
-      createClass(_class6, [{
-        key: 'path',
+      _createClass(_class6, [{
+        key: "path",
         value: function path(ctx) {
           if (ctx != null) ctx.beginPath();
           return new svg.BoundingBox();
         }
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           this.path(ctx);
           svg.Mouse.checkPath(this, ctx);
+
           if (ctx.fillStyle !== '') {
             if (this.style('fill-rule').valueOrDefault('inherit') !== 'inherit') {
               ctx.fill(this.style('fill-rule').value);
@@ -1993,85 +2112,95 @@ var canvg = (function (exports) {
               ctx.fill();
             }
           }
-          if (ctx.strokeStyle !== '') ctx.stroke();
 
+          if (ctx.strokeStyle !== '') ctx.stroke();
           var markers = this.getMarkers();
+
           if (markers != null) {
             if (this.style('marker-start').isUrlDefinition()) {
               var marker = this.style('marker-start').getDefinition();
               marker.render(ctx, markers[0][0], markers[0][1]);
             }
+
             if (this.style('marker-mid').isUrlDefinition()) {
               var _marker = this.style('marker-mid').getDefinition();
+
               for (var i = 1; i < markers.length - 1; i++) {
                 _marker.render(ctx, markers[i][0], markers[i][1]);
               }
             }
+
             if (this.style('marker-end').isUrlDefinition()) {
               var _marker2 = this.style('marker-end').getDefinition();
+
               _marker2.render(ctx, markers[markers.length - 1][0], markers[markers.length - 1][1]);
             }
           }
         }
       }, {
-        key: 'getBoundingBox',
+        key: "getBoundingBox",
         value: function getBoundingBox() {
           return this.path();
         }
       }, {
-        key: 'getMarkers',
+        key: "getMarkers",
         value: function getMarkers() {
           return null;
         }
       }]);
-      return _class6;
-    }(svg.Element.RenderedElementBase);
 
-    // svg element
-    svg.Element.svg = function (_svg$Element$Rendered2) {
-      inherits(_class7, _svg$Element$Rendered2);
+      return _class6;
+    }(svg.Element.RenderedElementBase); // svg element
+
+
+    svg.Element.svg =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered2) {
+      _inherits(_class7, _svg$Element$Rendered2);
 
       function _class7() {
-        classCallCheck(this, _class7);
-        return possibleConstructorReturn(this, (_class7.__proto__ || Object.getPrototypeOf(_class7)).apply(this, arguments));
+        _classCallCheck(this, _class7);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class7).apply(this, arguments));
       }
 
-      createClass(_class7, [{
-        key: 'clearContext',
+      _createClass(_class7, [{
+        key: "clearContext",
         value: function clearContext(ctx) {
-          get(_class7.prototype.__proto__ || Object.getPrototypeOf(_class7.prototype), 'clearContext', this).call(this, ctx);
+          _get(_getPrototypeOf(_class7.prototype), "clearContext", this).call(this, ctx);
+
           svg.ViewPort.RemoveCurrent();
         }
       }, {
-        key: 'setContext',
+        key: "setContext",
         value: function setContext(ctx) {
           // initial values and defaults
           ctx.strokeStyle = 'rgba(0,0,0,0)';
           ctx.lineCap = 'butt';
           ctx.lineJoin = 'miter';
           ctx.miterLimit = 4;
+
           if (typeof ctx.font !== 'undefined' && typeof window.getComputedStyle !== 'undefined') {
             ctx.font = window.getComputedStyle(ctx.canvas).getPropertyValue('font');
           }
 
-          get(_class7.prototype.__proto__ || Object.getPrototypeOf(_class7.prototype), 'setContext', this).call(this, ctx);
+          _get(_getPrototypeOf(_class7.prototype), "setContext", this).call(this, ctx); // create new view port
+
 
-          // create new view port
           if (!this.attribute('x').hasValue()) this.attribute('x', true).value = 0;
           if (!this.attribute('y').hasValue()) this.attribute('y', true).value = 0;
           ctx.translate(this.attribute('x').toPixels('x'), this.attribute('y').toPixels('y'));
-
           var width = svg.ViewPort.width();
           var height = svg.ViewPort.height();
-
           if (!this.attribute('width').hasValue()) this.attribute('width', true).value = '100%';
           if (!this.attribute('height').hasValue()) this.attribute('height', true).value = '100%';
+
           if (typeof this.root === 'undefined') {
             width = this.attribute('width').toPixels('x');
             height = this.attribute('height').toPixels('y');
-
             var x = 0;
             var y = 0;
+
             if (this.attribute('refX').hasValue() && this.attribute('refY').hasValue()) {
               x = -this.attribute('refX').toPixels('x');
               y = -this.attribute('refY').toPixels('y');
@@ -2087,37 +2216,39 @@ var canvg = (function (exports) {
               ctx.clip();
             }
           }
-          svg.ViewPort.SetCurrent(width, height);
 
-          // viewbox
+          svg.ViewPort.SetCurrent(width, height); // viewbox
+
           if (this.attribute('viewBox').hasValue()) {
             var viewBox = svg.ToNumberArray(this.attribute('viewBox').value);
             var minX = viewBox[0];
             var minY = viewBox[1];
             width = viewBox[2];
             height = viewBox[3];
-
             svg.AspectRatio(ctx, this.attribute('preserveAspectRatio').value, svg.ViewPort.width(), width, svg.ViewPort.height(), height, minX, minY, this.attribute('refX').value, this.attribute('refY').value);
-
             svg.ViewPort.RemoveCurrent();
             svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]);
           }
         }
       }]);
-      return _class7;
-    }(svg.Element.RenderedElementBase);
 
-    // rect element
-    svg.Element.rect = function (_svg$Element$PathElem) {
-      inherits(_class8, _svg$Element$PathElem);
+      return _class7;
+    }(svg.Element.RenderedElementBase); // rect element
+
+
+    svg.Element.rect =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem) {
+      _inherits(_class8, _svg$Element$PathElem);
 
       function _class8() {
-        classCallCheck(this, _class8);
-        return possibleConstructorReturn(this, (_class8.__proto__ || Object.getPrototypeOf(_class8)).apply(this, arguments));
+        _classCallCheck(this, _class8);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class8).apply(this, arguments));
       }
 
-      createClass(_class8, [{
-        key: 'path',
+      _createClass(_class8, [{
+        key: "path",
         value: function path(ctx) {
           var x = this.attribute('x').toPixels('x');
           var y = this.attribute('y').toPixels('y');
@@ -2129,6 +2260,7 @@ var canvg = (function (exports) {
           if (this.attribute('ry').hasValue() && !this.attribute('rx').hasValue()) rx = ry;
           rx = Math.min(rx, width / 2.0);
           ry = Math.min(ry, height / 2.0);
+
           if (ctx != null) {
             ctx.beginPath();
             ctx.moveTo(x + rx, y);
@@ -2146,20 +2278,24 @@ var canvg = (function (exports) {
           return new svg.BoundingBox(x, y, x + width, y + height);
         }
       }]);
-      return _class8;
-    }(svg.Element.PathElementBase);
 
-    // circle element
-    svg.Element.circle = function (_svg$Element$PathElem2) {
-      inherits(_class9, _svg$Element$PathElem2);
+      return _class8;
+    }(svg.Element.PathElementBase); // circle element
+
+
+    svg.Element.circle =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem2) {
+      _inherits(_class9, _svg$Element$PathElem2);
 
       function _class9() {
-        classCallCheck(this, _class9);
-        return possibleConstructorReturn(this, (_class9.__proto__ || Object.getPrototypeOf(_class9)).apply(this, arguments));
+        _classCallCheck(this, _class9);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class9).apply(this, arguments));
       }
 
-      createClass(_class9, [{
-        key: 'path',
+      _createClass(_class9, [{
+        key: "path",
         value: function path(ctx) {
           var cx = this.attribute('cx').toPixels('x');
           var cy = this.attribute('cy').toPixels('y');
@@ -2174,21 +2310,26 @@ var canvg = (function (exports) {
           return new svg.BoundingBox(cx - r, cy - r, cx + r, cy + r);
         }
       }]);
-      return _class9;
-    }(svg.Element.PathElementBase);
 
-    // ellipse element
+      return _class9;
+    }(svg.Element.PathElementBase); // ellipse element
+
+
     var KAPPA = 4 * ((Math.sqrt(2) - 1) / 3);
-    svg.Element.ellipse = function (_svg$Element$PathElem3) {
-      inherits(_class10, _svg$Element$PathElem3);
+
+    svg.Element.ellipse =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem3) {
+      _inherits(_class10, _svg$Element$PathElem3);
 
       function _class10() {
-        classCallCheck(this, _class10);
-        return possibleConstructorReturn(this, (_class10.__proto__ || Object.getPrototypeOf(_class10)).apply(this, arguments));
+        _classCallCheck(this, _class10);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class10).apply(this, arguments));
       }
 
-      createClass(_class10, [{
-        key: 'path',
+      _createClass(_class10, [{
+        key: "path",
         value: function path(ctx) {
           var rx = this.attribute('rx').toPixels('x');
           var ry = this.attribute('ry').toPixels('y');
@@ -2208,25 +2349,29 @@ var canvg = (function (exports) {
           return new svg.BoundingBox(cx - rx, cy - ry, cx + rx, cy + ry);
         }
       }]);
-      return _class10;
-    }(svg.Element.PathElementBase);
 
-    // line element
-    svg.Element.line = function (_svg$Element$PathElem4) {
-      inherits(_class11, _svg$Element$PathElem4);
+      return _class10;
+    }(svg.Element.PathElementBase); // line element
+
+
+    svg.Element.line =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem4) {
+      _inherits(_class11, _svg$Element$PathElem4);
 
       function _class11() {
-        classCallCheck(this, _class11);
-        return possibleConstructorReturn(this, (_class11.__proto__ || Object.getPrototypeOf(_class11)).apply(this, arguments));
+        _classCallCheck(this, _class11);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class11).apply(this, arguments));
       }
 
-      createClass(_class11, [{
-        key: 'getPoints',
+      _createClass(_class11, [{
+        key: "getPoints",
         value: function getPoints() {
           return [new svg.Point(this.attribute('x1').toPixels('x'), this.attribute('y1').toPixels('y')), new svg.Point(this.attribute('x2').toPixels('x'), this.attribute('y2').toPixels('y'))];
         }
       }, {
-        key: 'path',
+        key: "path",
         value: function path(ctx) {
           var points = this.getPoints();
 
@@ -2239,99 +2384,116 @@ var canvg = (function (exports) {
           return new svg.BoundingBox(points[0].x, points[0].y, points[1].x, points[1].y);
         }
       }, {
-        key: 'getMarkers',
+        key: "getMarkers",
         value: function getMarkers() {
           var points = this.getPoints();
           var a = points[0].angleTo(points[1]);
           return [[points[0], a], [points[1], a]];
         }
       }]);
-      return _class11;
-    }(svg.Element.PathElementBase);
 
-    // polyline element
-    svg.Element.polyline = function (_svg$Element$PathElem5) {
-      inherits(_class12, _svg$Element$PathElem5);
+      return _class11;
+    }(svg.Element.PathElementBase); // polyline element
+
+
+    svg.Element.polyline =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem5) {
+      _inherits(_class12, _svg$Element$PathElem5);
 
       function _class12(node) {
-        classCallCheck(this, _class12);
+        var _this8;
 
-        var _this15 = possibleConstructorReturn(this, (_class12.__proto__ || Object.getPrototypeOf(_class12)).call(this, node));
+        _classCallCheck(this, _class12);
 
-        _this15.points = svg.CreatePath(_this15.attribute('points').value);
-        return _this15;
+        _this8 = _possibleConstructorReturn(this, _getPrototypeOf(_class12).call(this, node));
+        _this8.points = svg.CreatePath(_this8.attribute('points').value);
+        return _this8;
       }
 
-      createClass(_class12, [{
-        key: 'path',
+      _createClass(_class12, [{
+        key: "path",
         value: function path(ctx) {
-          var _points$ = this.points[0],
-              x = _points$.x,
-              y = _points$.y;
-
+          var _this$points$ = this.points[0],
+              x = _this$points$.x,
+              y = _this$points$.y;
           var bb = new svg.BoundingBox(x, y);
+
           if (ctx != null) {
             ctx.beginPath();
             ctx.moveTo(x, y);
           }
-          for (var i = 1; i < this.points.length; i++) {
-            var _points$i = this.points[i],
-                _x = _points$i.x,
-                _y = _points$i.y;
 
+          for (var i = 1; i < this.points.length; i++) {
+            var _this$points$i = this.points[i],
+                _x = _this$points$i.x,
+                _y = _this$points$i.y;
             bb.addPoint(_x, _y);
             if (ctx != null) ctx.lineTo(_x, _y);
           }
+
           return bb;
         }
       }, {
-        key: 'getMarkers',
+        key: "getMarkers",
         value: function getMarkers() {
           var markers = [];
+
           for (var i = 0; i < this.points.length - 1; i++) {
             markers.push([this.points[i], this.points[i].angleTo(this.points[i + 1])]);
           }
+
           markers.push([this.points[this.points.length - 1], markers[markers.length - 1][1]]);
           return markers;
         }
       }]);
-      return _class12;
-    }(svg.Element.PathElementBase);
 
-    // polygon element
-    svg.Element.polygon = function (_svg$Element$polyline) {
-      inherits(_class13, _svg$Element$polyline);
+      return _class12;
+    }(svg.Element.PathElementBase); // polygon element
+
+
+    svg.Element.polygon =
+    /*#__PURE__*/
+    function (_svg$Element$polyline) {
+      _inherits(_class13, _svg$Element$polyline);
 
       function _class13() {
-        classCallCheck(this, _class13);
-        return possibleConstructorReturn(this, (_class13.__proto__ || Object.getPrototypeOf(_class13)).apply(this, arguments));
+        _classCallCheck(this, _class13);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class13).apply(this, arguments));
       }
 
-      createClass(_class13, [{
-        key: 'path',
+      _createClass(_class13, [{
+        key: "path",
         value: function path(ctx) {
-          var bb = get(_class13.prototype.__proto__ || Object.getPrototypeOf(_class13.prototype), 'path', this).call(this, ctx);
+          var bb = _get(_getPrototypeOf(_class13.prototype), "path", this).call(this, ctx);
+
           if (ctx != null) {
             ctx.lineTo(this.points[0].x, this.points[0].y);
             ctx.closePath();
           }
+
           return bb;
         }
       }]);
-      return _class13;
-    }(svg.Element.polyline);
 
-    // path element
-    svg.Element.path = function (_svg$Element$PathElem6) {
-      inherits(_class14, _svg$Element$PathElem6);
+      return _class13;
+    }(svg.Element.polyline); // path element
+
+
+    svg.Element.path =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem6) {
+      _inherits(_class14, _svg$Element$PathElem6);
 
       function _class14(node) {
-        classCallCheck(this, _class14);
+        var _this9;
 
-        var _this17 = possibleConstructorReturn(this, (_class14.__proto__ || Object.getPrototypeOf(_class14)).call(this, node));
+        _classCallCheck(this, _class14);
 
-        var d = _this17.attribute('d').value
-        // TODO: convert to real lexer based on https://www.w3.org/TR/SVG11/paths.html#PathDataBNF
+        _this9 = _possibleConstructorReturn(this, _getPrototypeOf(_class14).call(this, node));
+
+        var d = _this9.attribute('d').value // TODO: convert to real lexer based on https://www.w3.org/TR/SVG11/paths.html#PathDataBNF
         .replace(/,/gm, ' ') // get rid of all commas
         .replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm, '$1 $2') // separate commands from commands
         .replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm, '$1 $2') // separate commands from commands
@@ -2340,11 +2502,13 @@ var canvg = (function (exports) {
         .replace(/([0-9])([+-])/gm, '$1 $2') // separate digits when no comma
         .replace(/(\.[0-9]*)(\.)/gm, '$1 $2') // separate digits when no comma
         .replace(/([Aa](\s+[0-9]+){3})\s+([01])\s*([01])/gm, '$1 $3 $4 '); // shorthand elliptical arc path syntax
-        d = svg.compressSpaces(d); // compress multiple spaces
-        d = svg.trim(d);
-        _this17.PathParser = {
-          tokens: d.split(' '),
 
+
+        d = svg.compressSpaces(d); // compress multiple spaces
+
+        d = svg.trim(d);
+        _this9.PathParser = {
+          tokens: d.split(' '),
           reset: function reset() {
             this.i = -1;
             this.command = '';
@@ -2376,6 +2540,7 @@ var canvg = (function (exports) {
               case 'z':
                 return true;
             }
+
             return false;
           },
           getToken: function getToken() {
@@ -2406,9 +2571,9 @@ var canvg = (function (exports) {
           getReflectedControlPoint: function getReflectedControlPoint() {
             if (this.previousCommand.toLowerCase() !== 'c' && this.previousCommand.toLowerCase() !== 's' && this.previousCommand.toLowerCase() !== 'q' && this.previousCommand.toLowerCase() !== 't') {
               return this.current;
-            }
+            } // reflect point
+
 
-            // reflect point
             var p = new svg.Point(2 * this.current.x - this.control.x, 2 * this.current.y - this.control.y);
             return p;
           },
@@ -2417,6 +2582,7 @@ var canvg = (function (exports) {
               p.x += this.current.x;
               p.y += this.current.y;
             }
+
             return p;
           },
           addMarker: function addMarker(p, from, priorTo) {
@@ -2424,6 +2590,7 @@ var canvg = (function (exports) {
             if (priorTo != null && this.angles.length > 0 && this.angles[this.angles.length - 1] == null) {
               this.angles[this.angles.length - 1] = this.points[this.points.length - 1].angleTo(priorTo);
             }
+
             this.addMarkerAngle(p, from == null ? null : from.angleTo(p));
           },
           addMarkerAngle: function addMarkerAngle(p, a) {
@@ -2444,22 +2611,24 @@ var canvg = (function (exports) {
                 }
               }
             }
+
             return this.angles;
           }
         };
-        return _this17;
+        return _this9;
       }
 
-      createClass(_class14, [{
-        key: 'path',
+      _createClass(_class14, [{
+        key: "path",
         value: function path(ctx) {
           var pp = this.PathParser;
           pp.reset();
-
           var bb = new svg.BoundingBox();
           if (ctx != null) ctx.beginPath();
+
           while (!pp.isEnd()) {
             pp.nextCommand();
+
             switch (pp.command) {
               case 'M':
               case 'm':
@@ -2468,23 +2637,31 @@ var canvg = (function (exports) {
                 bb.addPoint(p.x, p.y);
                 if (ctx != null) ctx.moveTo(p.x, p.y);
                 pp.start = pp.current;
+
                 while (!pp.isCommandOrEnd()) {
                   var _p = pp.getAsCurrentPoint();
+
                   pp.addMarker(_p, pp.start);
                   bb.addPoint(_p.x, _p.y);
                   if (ctx != null) ctx.lineTo(_p.x, _p.y);
                 }
+
                 break;
+
               case 'L':
               case 'l':
                 while (!pp.isCommandOrEnd()) {
-                  var _c = pp.current;
+                  var c = pp.current;
+
                   var _p2 = pp.getAsCurrentPoint();
-                  pp.addMarker(_p2, _c);
+
+                  pp.addMarker(_p2, c);
                   bb.addPoint(_p2.x, _p2.y);
                   if (ctx != null) ctx.lineTo(_p2.x, _p2.y);
                 }
+
                 break;
+
               case 'H':
               case 'h':
                 while (!pp.isCommandOrEnd()) {
@@ -2494,17 +2671,22 @@ var canvg = (function (exports) {
                   bb.addPoint(pp.current.x, pp.current.y);
                   if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
                 }
+
                 break;
+
               case 'V':
               case 'v':
                 while (!pp.isCommandOrEnd()) {
                   var _newP = new svg.Point(pp.current.x, (pp.isRelativeCommand() ? pp.current.y : 0) + pp.getScalar());
+
                   pp.addMarker(_newP, pp.current);
                   pp.current = _newP;
                   bb.addPoint(pp.current.x, pp.current.y);
                   if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
                 }
+
                 break;
+
               case 'C':
               case 'c':
                 while (!pp.isCommandOrEnd()) {
@@ -2516,42 +2698,61 @@ var canvg = (function (exports) {
                   bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
                   if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
                 }
+
                 break;
+
               case 'S':
               case 's':
                 while (!pp.isCommandOrEnd()) {
                   var _curr = pp.current;
+
                   var _p3 = pp.getReflectedControlPoint();
+
                   var _cntrl = pp.getAsControlPoint();
+
                   var _cp = pp.getAsCurrentPoint();
+
                   pp.addMarker(_cp, _cntrl, _p3);
                   bb.addBezierCurve(_curr.x, _curr.y, _p3.x, _p3.y, _cntrl.x, _cntrl.y, _cp.x, _cp.y);
                   if (ctx != null) ctx.bezierCurveTo(_p3.x, _p3.y, _cntrl.x, _cntrl.y, _cp.x, _cp.y);
                 }
+
                 break;
+
               case 'Q':
               case 'q':
                 while (!pp.isCommandOrEnd()) {
                   var _curr2 = pp.current;
+
                   var _cntrl2 = pp.getAsControlPoint();
+
                   var _cp2 = pp.getAsCurrentPoint();
+
                   pp.addMarker(_cp2, _cntrl2, _cntrl2);
                   bb.addQuadraticCurve(_curr2.x, _curr2.y, _cntrl2.x, _cntrl2.y, _cp2.x, _cp2.y);
                   if (ctx != null) ctx.quadraticCurveTo(_cntrl2.x, _cntrl2.y, _cp2.x, _cp2.y);
                 }
+
                 break;
+
               case 'T':
               case 't':
                 while (!pp.isCommandOrEnd()) {
                   var _curr3 = pp.current;
+
                   var _cntrl3 = pp.getReflectedControlPoint();
+
                   pp.control = _cntrl3;
+
                   var _cp3 = pp.getAsCurrentPoint();
+
                   pp.addMarker(_cp3, _cntrl3, _cntrl3);
                   bb.addQuadraticCurve(_curr3.x, _curr3.y, _cntrl3.x, _cntrl3.y, _cp3.x, _cp3.y);
                   if (ctx != null) ctx.quadraticCurveTo(_cntrl3.x, _cntrl3.y, _cp3.x, _cp3.y);
                 }
+
                 break;
+
               case 'A':
               case 'a':
                 var _loop2 = function _loop2() {
@@ -2561,59 +2762,61 @@ var canvg = (function (exports) {
                   var xAxisRotation = pp.getScalar() * (Math.PI / 180.0);
                   var largeArcFlag = pp.getScalar();
                   var sweepFlag = pp.getScalar();
-                  var cp = pp.getAsCurrentPoint();
-
-                  // Conversion from endpoint to center parameterization
+                  var cp = pp.getAsCurrentPoint(); // Conversion from endpoint to center parameterization
                   // https://www.w3.org/TR/SVG11/implnote.html#ArcConversionEndpointToCenter
-
                   // x1', y1'
-                  var currp = new svg.Point(Math.cos(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.sin(xAxisRotation) * (curr.y - cp.y) / 2.0, -Math.sin(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.cos(xAxisRotation) * (curr.y - cp.y) / 2.0);
-                  // adjust radii
+
+                  var currp = new svg.Point(Math.cos(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.sin(xAxisRotation) * (curr.y - cp.y) / 2.0, -Math.sin(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.cos(xAxisRotation) * (curr.y - cp.y) / 2.0); // adjust radii
+
                   var l = Math.pow(currp.x, 2) / Math.pow(rx, 2) + Math.pow(currp.y, 2) / Math.pow(ry, 2);
+
                   if (l > 1) {
                     rx *= Math.sqrt(l);
                     ry *= Math.sqrt(l);
-                  }
-                  // cx', cy'
+                  } // cx', cy'
+
+
                   var s = (largeArcFlag === sweepFlag ? -1 : 1) * Math.sqrt((Math.pow(rx, 2) * Math.pow(ry, 2) - Math.pow(rx, 2) * Math.pow(currp.y, 2) - Math.pow(ry, 2) * Math.pow(currp.x, 2)) / (Math.pow(rx, 2) * Math.pow(currp.y, 2) + Math.pow(ry, 2) * Math.pow(currp.x, 2)));
                   if (isNaN(s)) s = 0;
-                  var cpp = new svg.Point(s * rx * currp.y / ry, s * -ry * currp.x / rx);
-                  // cx, cy
-                  var centp = new svg.Point((curr.x + cp.x) / 2.0 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y, (curr.y + cp.y) / 2.0 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y);
-                  // vector magnitude
+                  var cpp = new svg.Point(s * rx * currp.y / ry, s * -ry * currp.x / rx); // cx, cy
+
+                  var centp = new svg.Point((curr.x + cp.x) / 2.0 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y, (curr.y + cp.y) / 2.0 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y); // vector magnitude
+
                   var m = function m(v) {
                     return Math.sqrt(Math.pow(v[0], 2) + Math.pow(v[1], 2));
-                  };
-                  // ratio between two vectors
+                  }; // ratio between two vectors
+
+
                   var r = function r(u, v) {
                     return (u[0] * v[0] + u[1] * v[1]) / (m(u) * m(v));
-                  };
-                  // angle between two vectors
+                  }; // angle between two vectors
+
+
                   var a = function a(u, v) {
                     return (u[0] * v[1] < u[1] * v[0] ? -1 : 1) * Math.acos(r(u, v));
-                  };
-                  // initial angle
-                  var a1 = a([1, 0], [(currp.x - cpp.x) / rx, (currp.y - cpp.y) / ry]);
-                  // angle delta
+                  }; // initial angle
+
+
+                  var a1 = a([1, 0], [(currp.x - cpp.x) / rx, (currp.y - cpp.y) / ry]); // angle delta
+
                   var u = [(currp.x - cpp.x) / rx, (currp.y - cpp.y) / ry];
                   var v = [(-currp.x - cpp.x) / rx, (-currp.y - cpp.y) / ry];
                   var ad = a(u, v);
                   if (r(u, v) <= -1) ad = Math.PI;
-                  if (r(u, v) >= 1) ad = 0;
+                  if (r(u, v) >= 1) ad = 0; // for markers
 
-                  // for markers
                   var dir = 1 - sweepFlag ? 1.0 : -1.0;
                   var ah = a1 + dir * (ad / 2.0);
                   var halfWay = new svg.Point(centp.x + rx * Math.cos(ah), centp.y + ry * Math.sin(ah));
                   pp.addMarkerAngle(halfWay, ah - dir * Math.PI / 2);
                   pp.addMarkerAngle(cp, ah - dir * Math.PI);
-
                   bb.addPoint(cp.x, cp.y); // TODO: this is too naive, make it better
+
                   if (ctx != null) {
                     var _r = rx > ry ? rx : ry;
+
                     var sx = rx > ry ? 1 : rx / ry;
                     var sy = rx > ry ? ry / rx : 1;
-
                     ctx.translate(centp.x, centp.y);
                     ctx.rotate(xAxisRotation);
                     ctx.scale(sx, sy);
@@ -2627,7 +2830,9 @@ var canvg = (function (exports) {
                 while (!pp.isCommandOrEnd()) {
                   _loop2();
                 }
+
                 break;
+
               case 'Z':
               case 'z':
                 if (ctx != null) ctx.closePath();
@@ -2638,51 +2843,54 @@ var canvg = (function (exports) {
           return bb;
         }
       }, {
-        key: 'getMarkers',
+        key: "getMarkers",
         value: function getMarkers() {
           var points = this.PathParser.getMarkerPoints();
           var angles = this.PathParser.getMarkerAngles();
-
           var markers = points.map(function (point, i) {
             return [point, angles[i]];
           });
           return markers;
         }
       }]);
-      return _class14;
-    }(svg.Element.PathElementBase);
 
-    // pattern element
-    svg.Element.pattern = function (_svg$Element$ElementB2) {
-      inherits(_class15, _svg$Element$ElementB2);
+      return _class14;
+    }(svg.Element.PathElementBase); // pattern element
+
+
+    svg.Element.pattern =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB2) {
+      _inherits(_class15, _svg$Element$ElementB2);
 
       function _class15() {
-        classCallCheck(this, _class15);
-        return possibleConstructorReturn(this, (_class15.__proto__ || Object.getPrototypeOf(_class15)).apply(this, arguments));
+        _classCallCheck(this, _class15);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class15).apply(this, arguments));
       }
 
-      createClass(_class15, [{
-        key: 'createPattern',
+      _createClass(_class15, [{
+        key: "createPattern",
         value: function createPattern(ctx, element) {
           var width = this.attribute('width').toPixels('x', true);
-          var height = this.attribute('height').toPixels('y', true);
+          var height = this.attribute('height').toPixels('y', true); // render me using a temporary svg element
 
-          // render me using a temporary svg element
           var tempSvg = new svg.Element.svg();
           tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value);
           tempSvg.attributes['width'] = new svg.Property('width', width + 'px');
           tempSvg.attributes['height'] = new svg.Property('height', height + 'px');
           tempSvg.attributes['transform'] = new svg.Property('transform', this.attribute('patternTransform').value);
           tempSvg.children = this.children;
-
           var c = document.createElement('canvas');
           c.width = width;
           c.height = height;
           var cctx = c.getContext('2d');
+
           if (this.attribute('x').hasValue() && this.attribute('y').hasValue()) {
             cctx.translate(this.attribute('x').toPixels('x', true), this.attribute('y').toPixels('y', true));
-          }
-          // render 3x3 grid so when we transform there's no white space on edges
+          } // render 3x3 grid so when we transform there's no white space on edges
+
+
           for (var x = -1; x <= 1; x++) {
             for (var y = -1; y <= 1; y++) {
               cctx.save();
@@ -2691,31 +2899,35 @@ var canvg = (function (exports) {
               cctx.restore();
             }
           }
+
           var pattern = ctx.createPattern(c, 'repeat');
           return pattern;
         }
       }]);
-      return _class15;
-    }(svg.Element.ElementBase);
 
-    // marker element
-    svg.Element.marker = function (_svg$Element$ElementB3) {
-      inherits(_class16, _svg$Element$ElementB3);
+      return _class15;
+    }(svg.Element.ElementBase); // marker element
+
+
+    svg.Element.marker =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB3) {
+      _inherits(_class16, _svg$Element$ElementB3);
 
       function _class16() {
-        classCallCheck(this, _class16);
-        return possibleConstructorReturn(this, (_class16.__proto__ || Object.getPrototypeOf(_class16)).apply(this, arguments));
+        _classCallCheck(this, _class16);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class16).apply(this, arguments));
       }
 
-      createClass(_class16, [{
-        key: 'render',
+      _createClass(_class16, [{
+        key: "render",
         value: function render(ctx, point, angle) {
           ctx.translate(point.x, point.y);
           if (this.attribute('orient').valueOrDefault('auto') === 'auto') ctx.rotate(angle);
           if (this.attribute('markerUnits').valueOrDefault('strokeWidth') === 'strokeWidth') ctx.scale(ctx.lineWidth, ctx.lineWidth);
-          ctx.save();
+          ctx.save(); // render me using a temporary svg element
 
-          // render me using a temporary svg element
           var tempSvg = new svg.Element.svg();
           tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value);
           tempSvg.attributes['refX'] = new svg.Property('refX', this.attribute('refX').value);
@@ -2726,61 +2938,67 @@ var canvg = (function (exports) {
           tempSvg.attributes['stroke'] = new svg.Property('stroke', this.attribute('stroke').valueOrDefault('none'));
           tempSvg.children = this.children;
           tempSvg.render(ctx);
-
           ctx.restore();
           if (this.attribute('markerUnits').valueOrDefault('strokeWidth') === 'strokeWidth') ctx.scale(1 / ctx.lineWidth, 1 / ctx.lineWidth);
           if (this.attribute('orient').valueOrDefault('auto') === 'auto') ctx.rotate(-angle);
           ctx.translate(-point.x, -point.y);
         }
       }]);
-      return _class16;
-    }(svg.Element.ElementBase);
 
-    // definitions element
-    svg.Element.defs = function (_svg$Element$ElementB4) {
-      inherits(_class17, _svg$Element$ElementB4);
+      return _class16;
+    }(svg.Element.ElementBase); // definitions element
+
+
+    svg.Element.defs =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB4) {
+      _inherits(_class17, _svg$Element$ElementB4);
 
       function _class17() {
-        classCallCheck(this, _class17);
-        return possibleConstructorReturn(this, (_class17.__proto__ || Object.getPrototypeOf(_class17)).apply(this, arguments));
+        _classCallCheck(this, _class17);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class17).apply(this, arguments));
       }
 
-      createClass(_class17, [{
-        key: 'render',
-        value: function render(ctx) {
-          // NOOP
+      _createClass(_class17, [{
+        key: "render",
+        value: function render(ctx) {// NOOP
         }
       }]);
-      return _class17;
-    }(svg.Element.ElementBase);
 
-    // base for gradients
-    svg.Element.GradientBase = function (_svg$Element$ElementB5) {
-      inherits(_class18, _svg$Element$ElementB5);
+      return _class17;
+    }(svg.Element.ElementBase); // base for gradients
+
+
+    svg.Element.GradientBase =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB5) {
+      _inherits(_class18, _svg$Element$ElementB5);
 
       function _class18(node) {
-        classCallCheck(this, _class18);
+        var _this10;
 
-        var _this21 = possibleConstructorReturn(this, (_class18.__proto__ || Object.getPrototypeOf(_class18)).call(this, node));
+        _classCallCheck(this, _class18);
 
-        _this21.gradientUnits = _this21.attribute('gradientUnits').valueOrDefault('objectBoundingBox');
+        _this10 = _possibleConstructorReturn(this, _getPrototypeOf(_class18).call(this, node));
+        _this10.gradientUnits = _this10.attribute('gradientUnits').valueOrDefault('objectBoundingBox');
+        _this10.stops = [];
 
-        _this21.stops = [];
-        _this21.children.forEach(function (child) {
+        _this10.children.forEach(function (child) {
           if (child.type === 'stop') {
-            _this21.stops.push(child);
+            _this10.stops.push(child);
           }
         });
-        return _this21;
+
+        return _this10;
       }
 
-      createClass(_class18, [{
-        key: 'getGradient',
-        value: function getGradient() {
-          // OVERRIDE ME!
+      _createClass(_class18, [{
+        key: "getGradient",
+        value: function getGradient() {// OVERRIDE ME!
         }
       }, {
-        key: 'createGradient',
+        key: "createGradient",
         value: function createGradient(ctx, element, parentOpacityProp) {
           var stopsContainer = this.getHrefAttribute().hasValue() ? this.getHrefAttribute().getDefinition() : this;
 
@@ -2789,6 +3007,7 @@ var canvg = (function (exports) {
               var p = new svg.Property('color', color);
               return p.addOpacity(parentOpacityProp).value;
             }
+
             return color;
           };
 
@@ -2797,57 +3016,56 @@ var canvg = (function (exports) {
           stopsContainer.stops.forEach(function (_ref2) {
             var offset = _ref2.offset,
                 color = _ref2.color;
-
             g.addColorStop(offset, addParentOpacity(color));
           });
 
           if (this.attribute('gradientTransform').hasValue()) {
             // render as transformed pattern on temporary canvas
             var rootView = svg.ViewPort.viewPorts[0];
-
             var rect = new svg.Element.rect();
             rect.attributes['x'] = new svg.Property('x', -svg.MAX_VIRTUAL_PIXELS / 3.0);
             rect.attributes['y'] = new svg.Property('y', -svg.MAX_VIRTUAL_PIXELS / 3.0);
             rect.attributes['width'] = new svg.Property('width', svg.MAX_VIRTUAL_PIXELS);
             rect.attributes['height'] = new svg.Property('height', svg.MAX_VIRTUAL_PIXELS);
-
             var group = new svg.Element.g();
             group.attributes['transform'] = new svg.Property('transform', this.attribute('gradientTransform').value);
             group.children = [rect];
-
             var tempSvg = new svg.Element.svg();
             tempSvg.attributes['x'] = new svg.Property('x', 0);
             tempSvg.attributes['y'] = new svg.Property('y', 0);
             tempSvg.attributes['width'] = new svg.Property('width', rootView.width);
             tempSvg.attributes['height'] = new svg.Property('height', rootView.height);
             tempSvg.children = [group];
-
-            var _c2 = document.createElement('canvas');
-            _c2.width = rootView.width;
-            _c2.height = rootView.height;
-            var tempCtx = _c2.getContext('2d');
+            var c = document.createElement('canvas');
+            c.width = rootView.width;
+            c.height = rootView.height;
+            var tempCtx = c.getContext('2d');
             tempCtx.fillStyle = g;
             tempSvg.render(tempCtx);
-            return tempCtx.createPattern(_c2, 'no-repeat');
+            return tempCtx.createPattern(c, 'no-repeat');
           }
 
           return g;
         }
       }]);
-      return _class18;
-    }(svg.Element.ElementBase);
 
-    // linear gradient element
-    svg.Element.linearGradient = function (_svg$Element$Gradient) {
-      inherits(_class19, _svg$Element$Gradient);
+      return _class18;
+    }(svg.Element.ElementBase); // linear gradient element
+
+
+    svg.Element.linearGradient =
+    /*#__PURE__*/
+    function (_svg$Element$Gradient) {
+      _inherits(_class19, _svg$Element$Gradient);
 
       function _class19() {
-        classCallCheck(this, _class19);
-        return possibleConstructorReturn(this, (_class19.__proto__ || Object.getPrototypeOf(_class19)).apply(this, arguments));
+        _classCallCheck(this, _class19);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class19).apply(this, arguments));
       }
 
-      createClass(_class19, [{
-        key: 'getGradient',
+      _createClass(_class19, [{
+        key: "getGradient",
         value: function getGradient(ctx, element) {
           var useBB = this.gradientUnits === 'objectBoundingBox' && element.getBoundingBox;
           var bb = useBB ? element.getBoundingBox() : null;
@@ -2863,105 +3081,112 @@ var canvg = (function (exports) {
           var y1 = useBB ? bb.y() + bb.height() * this.attribute('y1').numValue() : this.attribute('y1').toPixels('y');
           var x2 = useBB ? bb.x() + bb.width() * this.attribute('x2').numValue() : this.attribute('x2').toPixels('x');
           var y2 = useBB ? bb.y() + bb.height() * this.attribute('y2').numValue() : this.attribute('y2').toPixels('y');
-
           if (x1 === x2 && y1 === y2) return null;
           return ctx.createLinearGradient(x1, y1, x2, y2);
         }
       }]);
-      return _class19;
-    }(svg.Element.GradientBase);
 
-    // radial gradient element
-    svg.Element.radialGradient = function (_svg$Element$Gradient2) {
-      inherits(_class20, _svg$Element$Gradient2);
+      return _class19;
+    }(svg.Element.GradientBase); // radial gradient element
+
+
+    svg.Element.radialGradient =
+    /*#__PURE__*/
+    function (_svg$Element$Gradient2) {
+      _inherits(_class20, _svg$Element$Gradient2);
 
       function _class20() {
-        classCallCheck(this, _class20);
-        return possibleConstructorReturn(this, (_class20.__proto__ || Object.getPrototypeOf(_class20)).apply(this, arguments));
+        _classCallCheck(this, _class20);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class20).apply(this, arguments));
       }
 
-      createClass(_class20, [{
-        key: 'getGradient',
+      _createClass(_class20, [{
+        key: "getGradient",
         value: function getGradient(ctx, element) {
           var useBB = this.gradientUnits === 'objectBoundingBox' && element.getBoundingBox;
           var bb = useBB ? element.getBoundingBox() : null;
-
           if (!this.attribute('cx').hasValue()) this.attribute('cx', true).value = '50%';
           if (!this.attribute('cy').hasValue()) this.attribute('cy', true).value = '50%';
           if (!this.attribute('r').hasValue()) this.attribute('r', true).value = '50%';
-
           var cx = useBB ? bb.x() + bb.width() * this.attribute('cx').numValue() : this.attribute('cx').toPixels('x');
           var cy = useBB ? bb.y() + bb.height() * this.attribute('cy').numValue() : this.attribute('cy').toPixels('y');
-
           var fx = cx;
           var fy = cy;
+
           if (this.attribute('fx').hasValue()) {
             fx = useBB ? bb.x() + bb.width() * this.attribute('fx').numValue() : this.attribute('fx').toPixels('x');
           }
+
           if (this.attribute('fy').hasValue()) {
             fy = useBB ? bb.y() + bb.height() * this.attribute('fy').numValue() : this.attribute('fy').toPixels('y');
           }
 
           var r = useBB ? (bb.width() + bb.height()) / 2.0 * this.attribute('r').numValue() : this.attribute('r').toPixels();
-
           return ctx.createRadialGradient(fx, fy, 0, cx, cy, r);
         }
       }]);
-      return _class20;
-    }(svg.Element.GradientBase);
 
-    // gradient stop element
-    svg.Element.stop = function (_svg$Element$ElementB6) {
-      inherits(_class21, _svg$Element$ElementB6);
+      return _class20;
+    }(svg.Element.GradientBase); // gradient stop element
+
+
+    svg.Element.stop =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB6) {
+      _inherits(_class21, _svg$Element$ElementB6);
 
       function _class21(node) {
-        classCallCheck(this, _class21);
+        var _this11;
 
-        var _this24 = possibleConstructorReturn(this, (_class21.__proto__ || Object.getPrototypeOf(_class21)).call(this, node));
+        _classCallCheck(this, _class21);
 
-        _this24.offset = _this24.attribute('offset').numValue();
-        if (_this24.offset < 0) _this24.offset = 0;
-        if (_this24.offset > 1) _this24.offset = 1;
+        _this11 = _possibleConstructorReturn(this, _getPrototypeOf(_class21).call(this, node));
+        _this11.offset = _this11.attribute('offset').numValue();
+        if (_this11.offset < 0) _this11.offset = 0;
+        if (_this11.offset > 1) _this11.offset = 1;
 
-        var stopColor = _this24.style('stop-color');
-        if (_this24.style('stop-opacity').hasValue()) {
-          stopColor = stopColor.addOpacity(_this24.style('stop-opacity'));
+        var stopColor = _this11.style('stop-color');
+
+        if (_this11.style('stop-opacity').hasValue()) {
+          stopColor = stopColor.addOpacity(_this11.style('stop-opacity'));
         }
-        _this24.color = stopColor.value;
-        return _this24;
+
+        _this11.color = stopColor.value;
+        return _this11;
       }
 
       return _class21;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // animation base element
 
-    // animation base element
-    svg.Element.AnimateBase = function (_svg$Element$ElementB7) {
-      inherits(_class22, _svg$Element$ElementB7);
+
+    svg.Element.AnimateBase =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB7) {
+      _inherits(_class22, _svg$Element$ElementB7);
 
       function _class22(node) {
-        classCallCheck(this, _class22);
+        var _this12;
 
-        var _this25 = possibleConstructorReturn(this, (_class22.__proto__ || Object.getPrototypeOf(_class22)).call(this, node));
+        _classCallCheck(this, _class22);
 
-        svg.Animations.push(_this25);
-
-        _this25.duration = 0.0;
-        _this25.begin = _this25.attribute('begin').toMilliseconds();
-        _this25.maxDuration = _this25.begin + _this25.attribute('dur').toMilliseconds();
-
-        _this25.initialValue = null;
-        _this25.initialUnits = '';
-        _this25.removed = false;
-
-        _this25.from = _this25.attribute('from');
-        _this25.to = _this25.attribute('to');
-        _this25.values = _this25.attribute('values');
-        if (_this25.values.hasValue()) _this25.values.value = _this25.values.value.split(';');
-        return _this25;
+        _this12 = _possibleConstructorReturn(this, _getPrototypeOf(_class22).call(this, node));
+        svg.Animations.push(_assertThisInitialized(_assertThisInitialized(_this12)));
+        _this12.duration = 0.0;
+        _this12.begin = _this12.attribute('begin').toMilliseconds();
+        _this12.maxDuration = _this12.begin + _this12.attribute('dur').toMilliseconds();
+        _this12.initialValue = null;
+        _this12.initialUnits = '';
+        _this12.removed = false;
+        _this12.from = _this12.attribute('from');
+        _this12.to = _this12.attribute('to');
+        _this12.values = _this12.attribute('values');
+        if (_this12.values.hasValue()) _this12.values.value = _this12.values.value.split(';');
+        return _this12;
       }
 
-      createClass(_class22, [{
-        key: 'getProperty',
+      _createClass(_class22, [{
+        key: "getProperty",
         value: function getProperty() {
           var attributeType = this.attribute('attributeType').value;
           var attributeName = this.attribute('attributeName').value;
@@ -2969,24 +3194,25 @@ var canvg = (function (exports) {
           if (attributeType === 'CSS') {
             return this.parent.style(attributeName, true);
           }
+
           return this.parent.attribute(attributeName, true);
         }
       }, {
-        key: 'calcValue',
+        key: "calcValue",
         value: function calcValue() {
           // OVERRIDE ME!
           return '';
         }
       }, {
-        key: 'update',
+        key: "update",
         value: function update(delta) {
           // set initial value
           if (this.initialValue == null) {
             this.initialValue = this.getProperty().value;
             this.initialUnits = this.getProperty().getUnits();
-          }
+          } // if we're past the end time
+
 
-          // if we're past the end time
           if (this.duration > this.maxDuration) {
             // loop for indefinitely repeating animations
             if (this.attribute('repeatCount').value === 'indefinite' || this.attribute('repeatDur').value === 'indefinite') {
@@ -3000,12 +3226,14 @@ var canvg = (function (exports) {
               this.getProperty().value = this.parent.animationFrozen ? this.parent.animationFrozenValue : this.initialValue;
               return true;
             }
+
             return false;
           }
-          this.duration = this.duration + delta;
 
-          // if we're past the begin time
+          this.duration = this.duration + delta; // if we're past the begin time
+
           var updated = false;
+
           if (this.begin < this.duration) {
             var newValue = this.calcValue(); // tween
 
@@ -3020,14 +3248,15 @@ var canvg = (function (exports) {
           }
 
           return updated;
-        }
-
-        // fraction of duration we've covered
+        } // fraction of duration we've covered
 
       }, {
-        key: 'progress',
+        key: "progress",
         value: function progress() {
-          var ret = { progress: (this.duration - this.begin) / (this.maxDuration - this.begin) };
+          var ret = {
+            progress: (this.duration - this.begin) / (this.maxDuration - this.begin)
+          };
+
           if (this.values.hasValue()) {
             var p = ret.progress * (this.values.value.length - 1);
             var lb = Math.floor(p),
@@ -3039,45 +3268,53 @@ var canvg = (function (exports) {
             ret.from = this.from;
             ret.to = this.to;
           }
+
           return ret;
         }
       }]);
-      return _class22;
-    }(svg.Element.ElementBase);
 
-    // animate element
-    svg.Element.animate = function (_svg$Element$AnimateB) {
-      inherits(_class23, _svg$Element$AnimateB);
+      return _class22;
+    }(svg.Element.ElementBase); // animate element
+
+
+    svg.Element.animate =
+    /*#__PURE__*/
+    function (_svg$Element$AnimateB) {
+      _inherits(_class23, _svg$Element$AnimateB);
 
       function _class23() {
-        classCallCheck(this, _class23);
-        return possibleConstructorReturn(this, (_class23.__proto__ || Object.getPrototypeOf(_class23)).apply(this, arguments));
+        _classCallCheck(this, _class23);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class23).apply(this, arguments));
       }
 
-      createClass(_class23, [{
-        key: 'calcValue',
+      _createClass(_class23, [{
+        key: "calcValue",
         value: function calcValue() {
-          var p = this.progress();
+          var p = this.progress(); // tween value linearly
 
-          // tween value linearly
           var newValue = p.from.numValue() + (p.to.numValue() - p.from.numValue()) * p.progress;
           return newValue + this.initialUnits;
         }
       }]);
-      return _class23;
-    }(svg.Element.AnimateBase);
 
-    // animate color element
-    svg.Element.animateColor = function (_svg$Element$AnimateB2) {
-      inherits(_class24, _svg$Element$AnimateB2);
+      return _class23;
+    }(svg.Element.AnimateBase); // animate color element
+
+
+    svg.Element.animateColor =
+    /*#__PURE__*/
+    function (_svg$Element$AnimateB2) {
+      _inherits(_class24, _svg$Element$AnimateB2);
 
       function _class24() {
-        classCallCheck(this, _class24);
-        return possibleConstructorReturn(this, (_class24.__proto__ || Object.getPrototypeOf(_class24)).apply(this, arguments));
+        _classCallCheck(this, _class24);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class24).apply(this, arguments));
       }
 
-      createClass(_class24, [{
-        key: 'calcValue',
+      _createClass(_class24, [{
+        key: "calcValue",
         value: function calcValue() {
           var p = this.progress();
           var from = new RGBColor(p.from.value);
@@ -3085,32 +3322,36 @@ var canvg = (function (exports) {
 
           if (from.ok && to.ok) {
             // tween color linearly
-            var _r2 = from.r + (to.r - from.r) * p.progress;
+            var r = from.r + (to.r - from.r) * p.progress;
             var g = from.g + (to.g - from.g) * p.progress;
-            var _b = from.b + (to.b - from.b) * p.progress;
-            return 'rgb(' + parseInt(_r2, 10) + ',' + parseInt(g, 10) + ',' + parseInt(_b, 10) + ')';
+            var b = from.b + (to.b - from.b) * p.progress;
+            return 'rgb(' + parseInt(r, 10) + ',' + parseInt(g, 10) + ',' + parseInt(b, 10) + ')';
           }
+
           return this.attribute('from').value;
         }
       }]);
-      return _class24;
-    }(svg.Element.AnimateBase);
 
-    // animate transform element
-    svg.Element.animateTransform = function (_svg$Element$animate) {
-      inherits(_class25, _svg$Element$animate);
+      return _class24;
+    }(svg.Element.AnimateBase); // animate transform element
+
+
+    svg.Element.animateTransform =
+    /*#__PURE__*/
+    function (_svg$Element$animate) {
+      _inherits(_class25, _svg$Element$animate);
 
       function _class25() {
-        classCallCheck(this, _class25);
-        return possibleConstructorReturn(this, (_class25.__proto__ || Object.getPrototypeOf(_class25)).apply(this, arguments));
+        _classCallCheck(this, _class25);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class25).apply(this, arguments));
       }
 
-      createClass(_class25, [{
-        key: 'calcValue',
+      _createClass(_class25, [{
+        key: "calcValue",
         value: function calcValue() {
-          var p = this.progress();
+          var p = this.progress(); // tween value linearly
 
-          // tween value linearly
           var from = svg.ToNumberArray(p.from.value);
           var to = svg.ToNumberArray(p.to.value);
           var newValue = '';
@@ -3120,124 +3361,144 @@ var canvg = (function (exports) {
           return newValue;
         }
       }]);
-      return _class25;
-    }(svg.Element.animate);
 
-    // font element
-    svg.Element.font = function (_svg$Element$ElementB8) {
-      inherits(_class26, _svg$Element$ElementB8);
+      return _class25;
+    }(svg.Element.animate); // font element
+
+
+    svg.Element.font =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB8) {
+      _inherits(_class26, _svg$Element$ElementB8);
 
       function _class26(node) {
-        classCallCheck(this, _class26);
+        var _this13;
 
-        var _this29 = possibleConstructorReturn(this, (_class26.__proto__ || Object.getPrototypeOf(_class26)).call(this, node));
+        _classCallCheck(this, _class26);
 
-        _this29.horizAdvX = _this29.attribute('horiz-adv-x').numValue();
+        _this13 = _possibleConstructorReturn(this, _getPrototypeOf(_class26).call(this, node));
+        _this13.horizAdvX = _this13.attribute('horiz-adv-x').numValue();
+        _this13.isRTL = false;
+        _this13.isArabic = false;
+        _this13.fontFace = null;
+        _this13.missingGlyph = null;
+        _this13.glyphs = [];
 
-        _this29.isRTL = false;
-        _this29.isArabic = false;
-        _this29.fontFace = null;
-        _this29.missingGlyph = null;
-        _this29.glyphs = [];
-        _this29.children.forEach(function (child) {
+        _this13.children.forEach(function (child) {
           if (child.type === 'font-face') {
-            _this29.fontFace = child;
+            _this13.fontFace = child;
+
             if (child.style('font-family').hasValue()) {
-              svg.Definitions[child.style('font-family').value] = _this29;
+              svg.Definitions[child.style('font-family').value] = _assertThisInitialized(_assertThisInitialized(_this13));
             }
           } else if (child.type === 'missing-glyph') {
-            _this29.missingGlyph = child;
+            _this13.missingGlyph = child;
           } else if (child.type === 'glyph') {
             if (child.arabicForm !== '') {
-              _this29.isRTL = true;
-              _this29.isArabic = true;
-              if (typeof _this29.glyphs[child.unicode] === 'undefined') {
-                _this29.glyphs[child.unicode] = [];
+              _this13.isRTL = true;
+              _this13.isArabic = true;
+
+              if (typeof _this13.glyphs[child.unicode] === 'undefined') {
+                _this13.glyphs[child.unicode] = [];
               }
-              _this29.glyphs[child.unicode][child.arabicForm] = child;
+
+              _this13.glyphs[child.unicode][child.arabicForm] = child;
             } else {
-              _this29.glyphs[child.unicode] = child;
+              _this13.glyphs[child.unicode] = child;
             }
           }
         });
-        return _this29;
+
+        return _this13;
       }
 
       return _class26;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // font-face element
 
-    // font-face element
-    svg.Element.fontface = function (_svg$Element$ElementB9) {
-      inherits(_class27, _svg$Element$ElementB9);
+
+    svg.Element.fontface =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB9) {
+      _inherits(_class27, _svg$Element$ElementB9);
 
       function _class27(node) {
-        classCallCheck(this, _class27);
+        var _this14;
 
-        var _this30 = possibleConstructorReturn(this, (_class27.__proto__ || Object.getPrototypeOf(_class27)).call(this, node));
+        _classCallCheck(this, _class27);
 
-        _this30.ascent = _this30.attribute('ascent').value;
-        _this30.descent = _this30.attribute('descent').value;
-        _this30.unitsPerEm = _this30.attribute('units-per-em').numValue();
-        return _this30;
+        _this14 = _possibleConstructorReturn(this, _getPrototypeOf(_class27).call(this, node));
+        _this14.ascent = _this14.attribute('ascent').value;
+        _this14.descent = _this14.attribute('descent').value;
+        _this14.unitsPerEm = _this14.attribute('units-per-em').numValue();
+        return _this14;
       }
 
       return _class27;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // missing-glyph element
 
-    // missing-glyph element
-    svg.Element.missingglyph = function (_svg$Element$path) {
-      inherits(_class28, _svg$Element$path);
+
+    svg.Element.missingglyph =
+    /*#__PURE__*/
+    function (_svg$Element$path) {
+      _inherits(_class28, _svg$Element$path);
 
       function _class28(node) {
-        classCallCheck(this, _class28);
+        var _this15;
 
-        var _this31 = possibleConstructorReturn(this, (_class28.__proto__ || Object.getPrototypeOf(_class28)).call(this, node));
+        _classCallCheck(this, _class28);
 
-        _this31.horizAdvX = 0;
-        return _this31;
+        _this15 = _possibleConstructorReturn(this, _getPrototypeOf(_class28).call(this, node));
+        _this15.horizAdvX = 0;
+        return _this15;
       }
 
       return _class28;
-    }(svg.Element.path);
+    }(svg.Element.path); // glyph element
 
-    // glyph element
-    svg.Element.glyph = function (_svg$Element$path2) {
-      inherits(_class29, _svg$Element$path2);
+
+    svg.Element.glyph =
+    /*#__PURE__*/
+    function (_svg$Element$path2) {
+      _inherits(_class29, _svg$Element$path2);
 
       function _class29(node) {
-        classCallCheck(this, _class29);
+        var _this16;
 
-        var _this32 = possibleConstructorReturn(this, (_class29.__proto__ || Object.getPrototypeOf(_class29)).call(this, node));
+        _classCallCheck(this, _class29);
 
-        _this32.horizAdvX = _this32.attribute('horiz-adv-x').numValue();
-        _this32.unicode = _this32.attribute('unicode').value;
-        _this32.arabicForm = _this32.attribute('arabic-form').value;
-        return _this32;
+        _this16 = _possibleConstructorReturn(this, _getPrototypeOf(_class29).call(this, node));
+        _this16.horizAdvX = _this16.attribute('horiz-adv-x').numValue();
+        _this16.unicode = _this16.attribute('unicode').value;
+        _this16.arabicForm = _this16.attribute('arabic-form').value;
+        return _this16;
       }
 
       return _class29;
-    }(svg.Element.path);
+    }(svg.Element.path); // text element
 
-    // text element
-    svg.Element.text = function (_svg$Element$Rendered3) {
-      inherits(_class30, _svg$Element$Rendered3);
+
+    svg.Element.text =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered3) {
+      _inherits(_class30, _svg$Element$Rendered3);
 
       function _class30(node) {
-        classCallCheck(this, _class30);
-        return possibleConstructorReturn(this, (_class30.__proto__ || Object.getPrototypeOf(_class30)).call(this, node, true));
+        _classCallCheck(this, _class30);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class30).call(this, node, true));
       }
 
-      createClass(_class30, [{
-        key: 'setContext',
+      _createClass(_class30, [{
+        key: "setContext",
         value: function setContext(ctx) {
-          get(_class30.prototype.__proto__ || Object.getPrototypeOf(_class30.prototype), 'setContext', this).call(this, ctx);
+          _get(_getPrototypeOf(_class30.prototype), "setContext", this).call(this, ctx);
 
           var textBaseline = this.style('dominant-baseline').toTextBaseline();
           if (textBaseline == null) textBaseline = this.style('alignment-baseline').toTextBaseline();
           if (textBaseline != null) ctx.textBaseline = textBaseline;
         }
       }, {
-        key: 'getBoundingBox',
+        key: "getBoundingBox",
         value: function getBoundingBox() {
           var x = this.attribute('x').toPixels('x');
           var y = this.attribute('y').toPixels('y');
@@ -3245,36 +3506,42 @@ var canvg = (function (exports) {
           return new svg.BoundingBox(x, y - fontSize, x + Math.floor(fontSize * 2.0 / 3.0) * this.children[0].getText().length, y);
         }
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
-          var _this34 = this;
+          var _this17 = this;
 
           this.x = this.attribute('x').toPixels('x');
           this.y = this.attribute('y').toPixels('y');
           this.x += this.getAnchorDelta(ctx, this, 0);
           this.children.forEach(function (child, i) {
-            _this34.renderChild(ctx, _this34, i);
+            _this17.renderChild(ctx, _this17, i);
           });
         }
       }, {
-        key: 'getAnchorDelta',
+        key: "getAnchorDelta",
         value: function getAnchorDelta(ctx, parent, startI) {
           var textAnchor = this.style('text-anchor').valueOrDefault('start');
+
           if (textAnchor !== 'start') {
             var width = 0;
+
             for (var i = startI; i < parent.children.length; i++) {
               var child = parent.children[i];
               if (i > startI && child.attribute('x').hasValue()) break; // new group
+
               width += child.measureTextRecursive(ctx);
             }
+
             return -1 * (textAnchor === 'end' ? width : width / 2.0);
           }
+
           return 0;
         }
       }, {
-        key: 'renderChild',
+        key: "renderChild",
         value: function renderChild(ctx, parent, i) {
           var child = parent.children[i];
+
           if (child.attribute('x').hasValue()) {
             child.x = child.attribute('x').toPixels('x') + this.getAnchorDelta(ctx, parent, i);
             if (child.attribute('dx').hasValue()) child.x += child.attribute('dx').toPixels('x');
@@ -3283,6 +3550,7 @@ var canvg = (function (exports) {
             if (child.attribute('dx').hasValue()) this.x += child.attribute('dx').toPixels('x');
             child.x = this.x;
           }
+
           this.x = child.x + child.measureText(ctx);
 
           if (child.attribute('y').hasValue()) {
@@ -3293,8 +3561,8 @@ var canvg = (function (exports) {
             if (child.attribute('dy').hasValue()) this.y += child.attribute('dy').toPixels('y');
             child.y = this.y;
           }
-          this.y = child.y;
 
+          this.y = child.y;
           child.render(ctx);
 
           for (var _i = 0; _i < child.children.length; _i++) {
@@ -3302,28 +3570,34 @@ var canvg = (function (exports) {
           }
         }
       }]);
-      return _class30;
-    }(svg.Element.RenderedElementBase);
 
-    // text base
-    svg.Element.TextElementBase = function (_svg$Element$Rendered4) {
-      inherits(_class31, _svg$Element$Rendered4);
+      return _class30;
+    }(svg.Element.RenderedElementBase); // text base
+
+
+    svg.Element.TextElementBase =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered4) {
+      _inherits(_class31, _svg$Element$Rendered4);
 
       function _class31() {
-        classCallCheck(this, _class31);
-        return possibleConstructorReturn(this, (_class31.__proto__ || Object.getPrototypeOf(_class31)).apply(this, arguments));
+        _classCallCheck(this, _class31);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class31).apply(this, arguments));
       }
 
-      createClass(_class31, [{
-        key: 'getGlyph',
+      _createClass(_class31, [{
+        key: "getGlyph",
         value: function getGlyph(font, text, i) {
           var c = text[i];
           var glyph = null;
+
           if (font.isArabic) {
             var arabicForm = 'isolated';
             if ((i === 0 || text[i - 1] === ' ') && i < text.length - 2 && text[i + 1] !== ' ') arabicForm = 'terminal';
             if (i > 0 && text[i - 1] !== ' ' && i < text.length - 2 && text[i + 1] !== ' ') arabicForm = 'medial';
             if (i > 0 && text[i - 1] !== ' ' && (i === text.length - 1 || text[i + 1] === ' ')) arabicForm = 'initial';
+
             if (typeof font.glyphs[c] !== 'undefined') {
               glyph = font.glyphs[c][arabicForm];
               if (glyph == null && font.glyphs[c].type === 'glyph') glyph = font.glyphs[c];
@@ -3331,20 +3605,22 @@ var canvg = (function (exports) {
           } else {
             glyph = font.glyphs[c];
           }
+
           if (glyph == null) glyph = font.missingGlyph;
           return glyph;
         }
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           var customFont = this.parent.style('font-family').getDefinition();
+
           if (customFont != null) {
             var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
             var fontStyle = this.parent.style('font-style').valueOrDefault(svg.Font.Parse(svg.ctx.font).fontStyle);
             var text = this.getText();
             if (customFont.isRTL) text = text.split('').reverse().join('');
-
             var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
+
             for (var i = 0; i < text.length; i++) {
               var glyph = this.getGlyph(customFont, text, i);
               var scale = fontSize / customFont.fontFace.unitsPerEm;
@@ -3358,12 +3634,13 @@ var canvg = (function (exports) {
               ctx.lineWidth = lw;
               ctx.scale(1 / scale, -1 / scale);
               ctx.translate(-this.x, -this.y);
-
               this.x += fontSize * (glyph.horizAdvX || customFont.horizAdvX) / customFont.fontFace.unitsPerEm;
+
               if (typeof dx[i] !== 'undefined' && !isNaN(dx[i])) {
                 this.x += dx[i];
               }
             }
+
             return;
           }
 
@@ -3371,12 +3648,11 @@ var canvg = (function (exports) {
           if (ctx.strokeStyle !== '') ctx.strokeText(svg.compressSpaces(this.getText()), this.x, this.y);
         }
       }, {
-        key: 'getText',
-        value: function getText() {
-          // OVERRIDE ME
+        key: "getText",
+        value: function getText() {// OVERRIDE ME
         }
       }, {
-        key: 'measureTextRecursive',
+        key: "measureTextRecursive",
         value: function measureTextRecursive(ctx) {
           var width = this.measureText(ctx);
           this.children.forEach(function (child) {
@@ -3385,28 +3661,31 @@ var canvg = (function (exports) {
           return width;
         }
       }, {
-        key: 'measureText',
+        key: "measureText",
         value: function measureText(ctx) {
           var customFont = this.parent.style('font-family').getDefinition();
+
           if (customFont != null) {
             var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
             var measure = 0;
             var text = this.getText();
             if (customFont.isRTL) text = text.split('').reverse().join('');
             var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
+
             for (var i = 0; i < text.length; i++) {
               var glyph = this.getGlyph(customFont, text, i);
               measure += (glyph.horizAdvX || customFont.horizAdvX) * fontSize / customFont.fontFace.unitsPerEm;
+
               if (typeof dx[i] !== 'undefined' && !isNaN(dx[i])) {
                 measure += dx[i];
               }
             }
+
             return measure;
           }
 
           var textToMeasure = svg.compressSpaces(this.getText());
           if (!ctx.measureText) return textToMeasure.length * 10;
-
           ctx.save();
           this.setContext(ctx);
 
@@ -3417,81 +3696,96 @@ var canvg = (function (exports) {
           return width;
         }
       }]);
-      return _class31;
-    }(svg.Element.RenderedElementBase);
 
-    // tspan
-    svg.Element.tspan = function (_svg$Element$TextElem) {
-      inherits(_class32, _svg$Element$TextElem);
+      return _class31;
+    }(svg.Element.RenderedElementBase); // tspan
+
+
+    svg.Element.tspan =
+    /*#__PURE__*/
+    function (_svg$Element$TextElem) {
+      _inherits(_class32, _svg$Element$TextElem);
 
       function _class32(node) {
-        classCallCheck(this, _class32);
+        var _this18;
 
-        var _this36 = possibleConstructorReturn(this, (_class32.__proto__ || Object.getPrototypeOf(_class32)).call(this, node, true));
+        _classCallCheck(this, _class32);
 
-        _this36.text = node.nodeValue || node.text || '';
-        return _this36;
+        _this18 = _possibleConstructorReturn(this, _getPrototypeOf(_class32).call(this, node, true));
+        _this18.text = node.nodeValue || node.text || '';
+        return _this18;
       }
 
-      createClass(_class32, [{
-        key: 'getText',
+      _createClass(_class32, [{
+        key: "getText",
         value: function getText() {
           return this.text;
         }
       }]);
-      return _class32;
-    }(svg.Element.TextElementBase);
 
-    // tref
-    svg.Element.tref = function (_svg$Element$TextElem2) {
-      inherits(_class33, _svg$Element$TextElem2);
+      return _class32;
+    }(svg.Element.TextElementBase); // tref
+
+
+    svg.Element.tref =
+    /*#__PURE__*/
+    function (_svg$Element$TextElem2) {
+      _inherits(_class33, _svg$Element$TextElem2);
 
       function _class33() {
-        classCallCheck(this, _class33);
-        return possibleConstructorReturn(this, (_class33.__proto__ || Object.getPrototypeOf(_class33)).apply(this, arguments));
+        _classCallCheck(this, _class33);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class33).apply(this, arguments));
       }
 
-      createClass(_class33, [{
-        key: 'getText',
+      _createClass(_class33, [{
+        key: "getText",
         value: function getText() {
           var element = this.getHrefAttribute().getDefinition();
           if (element != null) return element.children[0].getText();
         }
       }]);
-      return _class33;
-    }(svg.Element.TextElementBase);
 
-    // a element
-    svg.Element.a = function (_svg$Element$TextElem3) {
-      inherits(_class34, _svg$Element$TextElem3);
+      return _class33;
+    }(svg.Element.TextElementBase); // a element
+
+
+    svg.Element.a =
+    /*#__PURE__*/
+    function (_svg$Element$TextElem3) {
+      _inherits(_class34, _svg$Element$TextElem3);
 
       function _class34(node) {
-        classCallCheck(this, _class34);
+        var _this19;
 
-        var _this38 = possibleConstructorReturn(this, (_class34.__proto__ || Object.getPrototypeOf(_class34)).call(this, node));
+        _classCallCheck(this, _class34);
 
-        _this38.hasText = true;
-        [].concat(toConsumableArray(node.childNodes)).forEach(function (childNode) {
+        _this19 = _possibleConstructorReturn(this, _getPrototypeOf(_class34).call(this, node));
+        _this19.hasText = true;
+
+        _toConsumableArray(node.childNodes).forEach(function (childNode) {
           if (childNode.nodeType !== 3) {
-            _this38.hasText = false;
+            _this19.hasText = false;
           }
-        });
-        // this might contain text
-        _this38.text = _this38.hasText ? node.childNodes[0].nodeValue : '';
-        return _this38;
+        }); // this might contain text
+
+
+        _this19.text = _this19.hasText ? node.childNodes[0].nodeValue : '';
+        return _this19;
       }
 
-      createClass(_class34, [{
-        key: 'getText',
+      _createClass(_class34, [{
+        key: "getText",
         value: function getText() {
           return this.text;
         }
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           if (this.hasText) {
             // render as text element
-            get(_class34.prototype.__proto__ || Object.getPrototypeOf(_class34.prototype), 'renderChildren', this).call(this, ctx);
+            _get(_getPrototypeOf(_class34.prototype), "renderChildren", this).call(this, ctx);
+
             var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
             svg.Mouse.checkBoundingBox(this, new svg.BoundingBox(this.x, this.y - fontSize.toPixels('y'), this.x + this.measureText(ctx), this.y));
           } else {
@@ -3503,70 +3797,82 @@ var canvg = (function (exports) {
           }
         }
       }, {
-        key: 'onclick',
+        key: "onclick",
         value: function onclick() {
           window.open(this.getHrefAttribute().value);
         }
       }, {
-        key: 'onmousemove',
+        key: "onmousemove",
         value: function onmousemove() {
           svg.ctx.canvas.style.cursor = 'pointer';
         }
       }]);
-      return _class34;
-    }(svg.Element.TextElementBase);
 
-    // image element
-    svg.Element.image = function (_svg$Element$Rendered5) {
-      inherits(_class35, _svg$Element$Rendered5);
+      return _class34;
+    }(svg.Element.TextElementBase); // image element
+
+
+    svg.Element.image =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered5) {
+      _inherits(_class35, _svg$Element$Rendered5);
 
       function _class35(node) {
-        classCallCheck(this, _class35);
+        var _this20;
 
-        var _this39 = possibleConstructorReturn(this, (_class35.__proto__ || Object.getPrototypeOf(_class35)).call(this, node));
+        _classCallCheck(this, _class35);
+
+        _this20 = _possibleConstructorReturn(this, _getPrototypeOf(_class35).call(this, node));
+
+        var href = _this20.getHrefAttribute().value;
 
-        var href = _this39.getHrefAttribute().value;
         if (href === '') {
-          return possibleConstructorReturn(_this39);
+          return _possibleConstructorReturn(_this20);
         }
-        _this39._isSvg = href.match(/\.svg$/);
 
-        svg.Images.push(_this39);
-        _this39.loaded = false;
-        if (!_this39._isSvg) {
-          _this39.img = document.createElement('img');
+        _this20._isSvg = href.match(/\.svg$/);
+        svg.Images.push(_assertThisInitialized(_assertThisInitialized(_this20)));
+        _this20.loaded = false;
+
+        if (!_this20._isSvg) {
+          _this20.img = document.createElement('img');
+
           if (svg.opts.useCORS === true) {
-            _this39.img.crossOrigin = 'Anonymous';
+            _this20.img.crossOrigin = 'Anonymous';
           }
-          var self = _this39;
-          _this39.img.onload = function () {
+
+          var self = _assertThisInitialized(_assertThisInitialized(_this20));
+
+          _this20.img.onload = function () {
             self.loaded = true;
           };
-          _this39.img.onerror = function () {
+
+          _this20.img.onerror = function () {
             svg.log('ERROR: image "' + href + '" not found');
             self.loaded = true;
           };
-          _this39.img.src = href;
+
+          _this20.img.src = href;
         } else {
           svg.ajax(href, true).then(function (img) {
-            _this39.img = img;
-            _this39.loaded = true;
+            _this20.img = img;
+            _this20.loaded = true;
           });
         }
-        return _this39;
+
+        return _this20;
       }
 
-      createClass(_class35, [{
-        key: 'renderChildren',
+      _createClass(_class35, [{
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           var x = this.attribute('x').toPixels('x');
           var y = this.attribute('y').toPixels('y');
-
           var width = this.attribute('width').toPixels('x');
           var height = this.attribute('height').toPixels('y');
           if (width === 0 || height === 0) return;
-
           ctx.save();
+
           if (this._isSvg) {
             ctx.drawSvg(this.img, x, y, width, height);
           } else {
@@ -3574,10 +3880,11 @@ var canvg = (function (exports) {
             svg.AspectRatio(ctx, this.attribute('preserveAspectRatio').value, width, this.img.width, height, this.img.height, 0, 0);
             ctx.drawImage(this.img, 0, 0);
           }
+
           ctx.restore();
         }
       }, {
-        key: 'getBoundingBox',
+        key: "getBoundingBox",
         value: function getBoundingBox() {
           var x = this.attribute('x').toPixels('x');
           var y = this.attribute('y').toPixels('y');
@@ -3586,20 +3893,24 @@ var canvg = (function (exports) {
           return new svg.BoundingBox(x, y, x + width, y + height);
         }
       }]);
-      return _class35;
-    }(svg.Element.RenderedElementBase);
 
-    // group element
-    svg.Element.g = function (_svg$Element$Rendered6) {
-      inherits(_class36, _svg$Element$Rendered6);
+      return _class35;
+    }(svg.Element.RenderedElementBase); // group element
+
+
+    svg.Element.g =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered6) {
+      _inherits(_class36, _svg$Element$Rendered6);
 
       function _class36() {
-        classCallCheck(this, _class36);
-        return possibleConstructorReturn(this, (_class36.__proto__ || Object.getPrototypeOf(_class36)).apply(this, arguments));
+        _classCallCheck(this, _class36);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class36).apply(this, arguments));
       }
 
-      createClass(_class36, [{
-        key: 'getBoundingBox',
+      _createClass(_class36, [{
+        key: "getBoundingBox",
         value: function getBoundingBox() {
           var bb = new svg.BoundingBox();
           this.children.forEach(function (child) {
@@ -3608,50 +3919,60 @@ var canvg = (function (exports) {
           return bb;
         }
       }]);
-      return _class36;
-    }(svg.Element.RenderedElementBase);
 
-    // symbol element
-    svg.Element.symbol = function (_svg$Element$Rendered7) {
-      inherits(_class37, _svg$Element$Rendered7);
+      return _class36;
+    }(svg.Element.RenderedElementBase); // symbol element
+
+
+    svg.Element.symbol =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered7) {
+      _inherits(_class37, _svg$Element$Rendered7);
 
       function _class37() {
-        classCallCheck(this, _class37);
-        return possibleConstructorReturn(this, (_class37.__proto__ || Object.getPrototypeOf(_class37)).apply(this, arguments));
+        _classCallCheck(this, _class37);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class37).apply(this, arguments));
       }
 
-      createClass(_class37, [{
-        key: 'render',
-        value: function render(ctx) {
-          // NO RENDER
+      _createClass(_class37, [{
+        key: "render",
+        value: function render(ctx) {// NO RENDER
         }
       }]);
-      return _class37;
-    }(svg.Element.RenderedElementBase);
 
-    // style element
-    svg.Element.style = function (_svg$Element$ElementB10) {
-      inherits(_class38, _svg$Element$ElementB10);
+      return _class37;
+    }(svg.Element.RenderedElementBase); // style element
+
+
+    svg.Element.style =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB10) {
+      _inherits(_class38, _svg$Element$ElementB10);
 
       function _class38(node) {
-        classCallCheck(this, _class38);
+        var _this21;
 
-        // text, or spaces then CDATA
-        var _this42 = possibleConstructorReturn(this, (_class38.__proto__ || Object.getPrototypeOf(_class38)).call(this, node));
+        _classCallCheck(this, _class38);
+
+        _this21 = _possibleConstructorReturn(this, _getPrototypeOf(_class38).call(this, node)); // text, or spaces then CDATA
 
         var css = '';
-        [].concat(toConsumableArray(node.childNodes)).forEach(function (_ref3) {
-          var nodeValue = _ref3.nodeValue;
 
+        _toConsumableArray(node.childNodes).forEach(function (_ref3) {
+          var nodeValue = _ref3.nodeValue;
           css += nodeValue;
         });
+
         css = css.replace(/(\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/)|(^[\s]*\/\/.*)/gm, ''); // remove comments
+
         css = svg.compressSpaces(css); // replace whitespace
+
         var cssDefs = css.split('}');
         cssDefs.forEach(function (cssDef) {
           if (svg.trim(cssDef) !== '') {
             var _cssDef$split = cssDef.split('{'),
-                _cssDef$split2 = slicedToArray(_cssDef$split, 2),
+                _cssDef$split2 = _slicedToArray(_cssDef$split, 2),
                 cssClasses = _cssDef$split2[0],
                 cssProps = _cssDef$split2[1];
 
@@ -3659,17 +3980,20 @@ var canvg = (function (exports) {
             cssProps = cssProps.split(';');
             cssClasses.forEach(function (cssClass) {
               cssClass = svg.trim(cssClass);
+
               if (cssClass !== '') {
                 var props = {};
                 cssProps.forEach(function (cssProp) {
                   var prop = cssProp.indexOf(':');
                   var name = cssProp.substr(0, prop);
                   var value = cssProp.substr(prop + 1, cssProp.length - prop);
+
                   if (name != null && value != null) {
                     props[svg.trim(name)] = new svg.Property(svg.trim(name), svg.trim(value));
                   }
                 });
                 svg.Styles[cssClass] = props;
+
                 if (cssClass === '@font-face') {
                   var fontFamily = props['font-family'].value.replace(/"/g, '');
                   var srcs = props['src'].value.split(',');
@@ -3677,11 +4001,12 @@ var canvg = (function (exports) {
                     if (src.includes('format("svg")')) {
                       var urlStart = src.indexOf('url');
                       var urlEnd = src.indexOf(')', urlStart);
-                      var url = src.substr(urlStart + 5, urlEnd - urlStart - 6);
-                      // Can this ajax safely be converted to async?
+                      var url = src.substr(urlStart + 5, urlEnd - urlStart - 6); // Can this ajax safely be converted to async?
+
                       var doc = svg.parseXml(svg.ajax(url));
                       var fonts = doc.getElementsByTagName('font');
-                      [].concat(toConsumableArray(fonts)).forEach(function (font) {
+
+                      _toConsumableArray(fonts).forEach(function (font) {
                         font = svg.CreateElement(font);
                         svg.Definitions[fontFamily] = font;
                       });
@@ -3692,53 +4017,56 @@ var canvg = (function (exports) {
             });
           }
         });
-        return _this42;
+        return _this21;
       }
 
       return _class38;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // use element
 
-    // use element
-    svg.Element.use = function (_svg$Element$Rendered8) {
-      inherits(_class39, _svg$Element$Rendered8);
+
+    svg.Element.use =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered8) {
+      _inherits(_class39, _svg$Element$Rendered8);
 
       function _class39(node) {
-        classCallCheck(this, _class39);
+        var _this22;
 
-        var _this43 = possibleConstructorReturn(this, (_class39.__proto__ || Object.getPrototypeOf(_class39)).call(this, node));
+        _classCallCheck(this, _class39);
 
-        _this43._el = _this43.getHrefAttribute().getDefinition();
-        return _this43;
+        _this22 = _possibleConstructorReturn(this, _getPrototypeOf(_class39).call(this, node));
+        _this22._el = _this22.getHrefAttribute().getDefinition();
+        return _this22;
       }
 
-      createClass(_class39, [{
-        key: 'setContext',
+      _createClass(_class39, [{
+        key: "setContext",
         value: function setContext(ctx) {
-          get(_class39.prototype.__proto__ || Object.getPrototypeOf(_class39.prototype), 'setContext', this).call(this, ctx);
+          _get(_getPrototypeOf(_class39.prototype), "setContext", this).call(this, ctx);
+
           if (this.attribute('x').hasValue()) ctx.translate(this.attribute('x').toPixels('x'), 0);
           if (this.attribute('y').hasValue()) ctx.translate(0, this.attribute('y').toPixels('y'));
         }
       }, {
-        key: 'path',
+        key: "path",
         value: function path(ctx) {
           var element = this._el;
-
           if (element != null) element.path(ctx);
         }
       }, {
-        key: 'getBoundingBox',
+        key: "getBoundingBox",
         value: function getBoundingBox() {
           var element = this._el;
-
           if (element != null) return element.getBoundingBox();
         }
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           var element = this._el;
 
           if (element != null) {
             var tempSvg = element;
+
             if (element.type === 'symbol') {
               // render me using a temporary svg element in symbol cases (https://www.w3.org/TR/SVG/struct.html#UseElement)
               tempSvg = new svg.Element.svg();
@@ -3748,11 +4076,13 @@ var canvg = (function (exports) {
               tempSvg.attributes['overflow'] = new svg.Property('overflow', element.attribute('overflow').value);
               tempSvg.children = element.children;
             }
+
             if (tempSvg.type === 'svg') {
               // if symbol or svg, inherit width/height from me
               if (this.attribute('width').hasValue()) tempSvg.attributes['width'] = new svg.Property('width', this.attribute('width').value);
               if (this.attribute('height').hasValue()) tempSvg.attributes['height'] = new svg.Property('height', this.attribute('height').value);
             }
+
             var oldParent = tempSvg.parent;
             tempSvg.parent = null;
             tempSvg.render(ctx);
@@ -3760,20 +4090,24 @@ var canvg = (function (exports) {
           }
         }
       }]);
-      return _class39;
-    }(svg.Element.RenderedElementBase);
 
-    // mask element
-    svg.Element.mask = function (_svg$Element$ElementB11) {
-      inherits(_class40, _svg$Element$ElementB11);
+      return _class39;
+    }(svg.Element.RenderedElementBase); // mask element
+
+
+    svg.Element.mask =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB11) {
+      _inherits(_class40, _svg$Element$ElementB11);
 
       function _class40() {
-        classCallCheck(this, _class40);
-        return possibleConstructorReturn(this, (_class40.__proto__ || Object.getPrototypeOf(_class40)).apply(this, arguments));
+        _classCallCheck(this, _class40);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class40).apply(this, arguments));
       }
 
-      createClass(_class40, [{
-        key: 'apply',
+      _createClass(_class40, [{
+        key: "apply",
         value: function apply(ctx, element) {
           // render as temp svg
           var x = this.attribute('x').toPixels('x');
@@ -3790,18 +4124,16 @@ var canvg = (function (exports) {
             y = Math.floor(bb.y1);
             width = Math.floor(bb.width());
             height = Math.floor(bb.height());
-          }
+          } // temporarily remove mask to avoid recursion
+
 
-          // temporarily remove mask to avoid recursion
           var mask = element.attribute('mask').value;
           element.attribute('mask').value = '';
-
           var cMask = document.createElement('canvas');
           cMask.width = x + width;
           cMask.height = y + height;
           var maskCtx = cMask.getContext('2d');
           this.renderChildren(maskCtx);
-
           var c = document.createElement('canvas');
           c.width = x + width;
           c.height = y + height;
@@ -3810,43 +4142,47 @@ var canvg = (function (exports) {
           tempCtx.globalCompositeOperation = 'destination-in';
           tempCtx.fillStyle = maskCtx.createPattern(cMask, 'no-repeat');
           tempCtx.fillRect(0, 0, x + width, y + height);
-
           ctx.fillStyle = tempCtx.createPattern(c, 'no-repeat');
-          ctx.fillRect(0, 0, x + width, y + height);
+          ctx.fillRect(0, 0, x + width, y + height); // reassign mask
 
-          // reassign mask
           element.attribute('mask').value = mask;
         }
       }, {
-        key: 'render',
-        value: function render(ctx) {
-          // NO RENDER
+        key: "render",
+        value: function render(ctx) {// NO RENDER
         }
       }]);
-      return _class40;
-    }(svg.Element.ElementBase);
 
-    // clip element
-    svg.Element.clipPath = function (_svg$Element$ElementB12) {
-      inherits(_class41, _svg$Element$ElementB12);
+      return _class40;
+    }(svg.Element.ElementBase); // clip element
+
+
+    svg.Element.clipPath =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB12) {
+      _inherits(_class41, _svg$Element$ElementB12);
 
       function _class41() {
-        classCallCheck(this, _class41);
-        return possibleConstructorReturn(this, (_class41.__proto__ || Object.getPrototypeOf(_class41)).apply(this, arguments));
+        _classCallCheck(this, _class41);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class41).apply(this, arguments));
       }
 
-      createClass(_class41, [{
-        key: 'apply',
+      _createClass(_class41, [{
+        key: "apply",
         value: function apply(ctx) {
           this.children.forEach(function (child) {
             if (typeof child.path !== 'undefined') {
               var transform = null;
+
               if (child.attribute('transform').hasValue()) {
                 transform = new svg.Transform(child.attribute('transform').value);
                 transform.apply(ctx);
               }
+
               child.path(ctx);
               ctx.clip();
+
               if (transform) {
                 transform.unapply(ctx);
               }
@@ -3854,37 +4190,38 @@ var canvg = (function (exports) {
           });
         }
       }, {
-        key: 'render',
-        value: function render(ctx) {
-          // NO RENDER
+        key: "render",
+        value: function render(ctx) {// NO RENDER
         }
       }]);
-      return _class41;
-    }(svg.Element.ElementBase);
 
-    // filters
-    svg.Element.filter = function (_svg$Element$ElementB13) {
-      inherits(_class42, _svg$Element$ElementB13);
+      return _class41;
+    }(svg.Element.ElementBase); // filters
+
+
+    svg.Element.filter =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB13) {
+      _inherits(_class42, _svg$Element$ElementB13);
 
       function _class42() {
-        classCallCheck(this, _class42);
-        return possibleConstructorReturn(this, (_class42.__proto__ || Object.getPrototypeOf(_class42)).apply(this, arguments));
+        _classCallCheck(this, _class42);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class42).apply(this, arguments));
       }
 
-      createClass(_class42, [{
-        key: 'apply',
+      _createClass(_class42, [{
+        key: "apply",
         value: function apply(ctx, element) {
           // render as temp svg
           var bb = element.getBoundingBox();
           var x = Math.floor(bb.x1);
           var y = Math.floor(bb.y1);
           var width = Math.floor(bb.width());
-          var height = Math.floor(bb.height());
+          var height = Math.floor(bb.height()); // temporarily remove filter to avoid recursion
 
-          // temporarily remove filter to avoid recursion
           var filter = element.style('filter').value;
           element.style('filter').value = '';
-
           var px = 0,
               py = 0;
           this.children.forEach(function (child) {
@@ -3892,65 +4229,67 @@ var canvg = (function (exports) {
             px = Math.max(px, efd);
             py = Math.max(py, efd);
           });
-
           var c = document.createElement('canvas');
           c.width = width + 2 * px;
           c.height = height + 2 * py;
           var tempCtx = c.getContext('2d');
           tempCtx.translate(-x + px, -y + py);
-          element.render(tempCtx);
+          element.render(tempCtx); // apply filters
 
-          // apply filters
           this.children.forEach(function (child) {
             child.apply(tempCtx, 0, 0, width + 2 * px, height + 2 * py);
-          });
+          }); // render on me
 
-          // render on me
-          ctx.drawImage(c, 0, 0, width + 2 * px, height + 2 * py, x - px, y - py, width + 2 * px, height + 2 * py);
+          ctx.drawImage(c, 0, 0, width + 2 * px, height + 2 * py, x - px, y - py, width + 2 * px, height + 2 * py); // reassign filter
 
-          // reassign filter
           element.style('filter', true).value = filter;
         }
       }, {
-        key: 'render',
-        value: function render(ctx) {
-          // NO RENDER
+        key: "render",
+        value: function render(ctx) {// NO RENDER
         }
       }]);
+
       return _class42;
     }(svg.Element.ElementBase);
 
-    svg.Element.feMorphology = function (_svg$Element$ElementB14) {
-      inherits(_class43, _svg$Element$ElementB14);
+    svg.Element.feMorphology =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB14) {
+      _inherits(_class43, _svg$Element$ElementB14);
 
       function _class43() {
-        classCallCheck(this, _class43);
-        return possibleConstructorReturn(this, (_class43.__proto__ || Object.getPrototypeOf(_class43)).apply(this, arguments));
+        _classCallCheck(this, _class43);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class43).apply(this, arguments));
       }
 
-      createClass(_class43, [{
-        key: 'apply',
-        value: function apply(ctx, x, y, width, height) {
-          // TODO: implement
+      _createClass(_class43, [{
+        key: "apply",
+        value: function apply(ctx, x, y, width, height) {// TODO: implement
         }
       }]);
+
       return _class43;
     }(svg.Element.ElementBase);
 
-    svg.Element.feComposite = function (_svg$Element$ElementB15) {
-      inherits(_class44, _svg$Element$ElementB15);
+    svg.Element.feComposite =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB15) {
+      _inherits(_class44, _svg$Element$ElementB15);
 
       function _class44() {
-        classCallCheck(this, _class44);
-        return possibleConstructorReturn(this, (_class44.__proto__ || Object.getPrototypeOf(_class44)).apply(this, arguments));
+        _classCallCheck(this, _class44);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class44).apply(this, arguments));
       }
 
-      createClass(_class44, [{
-        key: 'apply',
-        value: function apply(ctx, x, y, width, height) {
-          // TODO: implement
+      _createClass(_class44, [{
+        key: "apply",
+        value: function apply(ctx, x, y, width, height) {// TODO: implement
         }
       }]);
+
       return _class44;
     }(svg.Element.ElementBase);
 
@@ -3962,89 +4301,105 @@ var canvg = (function (exports) {
       img[y * width * 4 + x * 4 + rgba] = val;
     }
 
-    svg.Element.feColorMatrix = function (_svg$Element$ElementB16) {
-      inherits(_class45, _svg$Element$ElementB16);
+    svg.Element.feColorMatrix =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB16) {
+      _inherits(_class45, _svg$Element$ElementB16);
 
       function _class45(node) {
-        classCallCheck(this, _class45);
+        var _this23;
 
-        var _this49 = possibleConstructorReturn(this, (_class45.__proto__ || Object.getPrototypeOf(_class45)).call(this, node));
+        _classCallCheck(this, _class45);
 
-        var matrix = svg.ToNumberArray(_this49.attribute('values').value);
-        switch (_this49.attribute('type').valueOrDefault('matrix')) {// https://www.w3.org/TR/SVG/filters.html#feColorMatrixElement
+        _this23 = _possibleConstructorReturn(this, _getPrototypeOf(_class45).call(this, node));
+        var matrix = svg.ToNumberArray(_this23.attribute('values').value);
+
+        switch (_this23.attribute('type').valueOrDefault('matrix')) {
+          // https://www.w3.org/TR/SVG/filters.html#feColorMatrixElement
           case 'saturate':
             var s = matrix[0];
             matrix = [0.213 + 0.787 * s, 0.715 - 0.715 * s, 0.072 - 0.072 * s, 0, 0, 0.213 - 0.213 * s, 0.715 + 0.285 * s, 0.072 - 0.072 * s, 0, 0, 0.213 - 0.213 * s, 0.715 - 0.715 * s, 0.072 + 0.928 * s, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1];
             break;
+
           case 'hueRotate':
             var a = matrix[0] * Math.PI / 180.0;
-            var _c3 = function _c3(m1, m2, m3) {
+
+            var c = function c(m1, m2, m3) {
               return m1 + Math.cos(a) * m2 + Math.sin(a) * m3;
             };
-            matrix = [_c3(0.213, 0.787, -0.213), _c3(0.715, -0.715, -0.715), _c3(0.072, -0.072, 0.928), 0, 0, _c3(0.213, -0.213, 0.143), _c3(0.715, 0.285, 0.140), _c3(0.072, -0.072, -0.283), 0, 0, _c3(0.213, -0.213, -0.787), _c3(0.715, -0.715, 0.715), _c3(0.072, 0.928, 0.072), 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1];
+
+            matrix = [c(0.213, 0.787, -0.213), c(0.715, -0.715, -0.715), c(0.072, -0.072, 0.928), 0, 0, c(0.213, -0.213, 0.143), c(0.715, 0.285, 0.140), c(0.072, -0.072, -0.283), 0, 0, c(0.213, -0.213, -0.787), c(0.715, -0.715, 0.715), c(0.072, 0.928, 0.072), 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1];
             break;
+
           case 'luminanceToAlpha':
             matrix = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0.2125, 0.7154, 0.0721, 0, 0, 0, 0, 0, 0, 1];
             break;
         }
-        _this49.matrix = matrix;
 
-        _this49._m = function (i, v) {
+        _this23.matrix = matrix;
+
+        _this23._m = function (i, v) {
           var mi = matrix[i];
           return mi * (mi < 0 ? v - 255 : v);
         };
-        return _this49;
+
+        return _this23;
       }
 
-      createClass(_class45, [{
-        key: 'apply',
+      _createClass(_class45, [{
+        key: "apply",
         value: function apply(ctx, x, y, width, height) {
-          var m = this._m;
-          // assuming x==0 && y==0 for now
+          var m = this._m; // assuming x==0 && y==0 for now
 
           var srcData = ctx.getImageData(0, 0, width, height);
+
           for (var _y2 = 0; _y2 < height; _y2++) {
             for (var _x2 = 0; _x2 < width; _x2++) {
-              var _r3 = imGet(srcData.data, _x2, _y2, width, height, 0);
+              var r = imGet(srcData.data, _x2, _y2, width, height, 0);
               var g = imGet(srcData.data, _x2, _y2, width, height, 1);
-              var _b2 = imGet(srcData.data, _x2, _y2, width, height, 2);
+              var b = imGet(srcData.data, _x2, _y2, width, height, 2);
               var a = imGet(srcData.data, _x2, _y2, width, height, 3);
-              imSet(srcData.data, _x2, _y2, width, height, 0, m(0, _r3) + m(1, g) + m(2, _b2) + m(3, a) + m(4, 1));
-              imSet(srcData.data, _x2, _y2, width, height, 1, m(5, _r3) + m(6, g) + m(7, _b2) + m(8, a) + m(9, 1));
-              imSet(srcData.data, _x2, _y2, width, height, 2, m(10, _r3) + m(11, g) + m(12, _b2) + m(13, a) + m(14, 1));
-              imSet(srcData.data, _x2, _y2, width, height, 3, m(15, _r3) + m(16, g) + m(17, _b2) + m(18, a) + m(19, 1));
+              imSet(srcData.data, _x2, _y2, width, height, 0, m(0, r) + m(1, g) + m(2, b) + m(3, a) + m(4, 1));
+              imSet(srcData.data, _x2, _y2, width, height, 1, m(5, r) + m(6, g) + m(7, b) + m(8, a) + m(9, 1));
+              imSet(srcData.data, _x2, _y2, width, height, 2, m(10, r) + m(11, g) + m(12, b) + m(13, a) + m(14, 1));
+              imSet(srcData.data, _x2, _y2, width, height, 3, m(15, r) + m(16, g) + m(17, b) + m(18, a) + m(19, 1));
             }
           }
+
           ctx.clearRect(0, 0, width, height);
           ctx.putImageData(srcData, 0, 0);
         }
       }]);
+
       return _class45;
     }(svg.Element.ElementBase);
 
-    svg.Element.feGaussianBlur = function (_svg$Element$ElementB17) {
-      inherits(_class46, _svg$Element$ElementB17);
+    svg.Element.feGaussianBlur =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB17) {
+      _inherits(_class46, _svg$Element$ElementB17);
 
       function _class46(node) {
-        classCallCheck(this, _class46);
+        var _this24;
 
-        var _this50 = possibleConstructorReturn(this, (_class46.__proto__ || Object.getPrototypeOf(_class46)).call(this, node));
+        _classCallCheck(this, _class46);
 
-        _this50.blurRadius = Math.floor(_this50.attribute('stdDeviation').numValue());
-        _this50.extraFilterDistance = _this50.blurRadius;
-        return _this50;
+        _this24 = _possibleConstructorReturn(this, _getPrototypeOf(_class46).call(this, node));
+        _this24.blurRadius = Math.floor(_this24.attribute('stdDeviation').numValue());
+        _this24.extraFilterDistance = _this24.blurRadius;
+        return _this24;
       }
 
-      createClass(_class46, [{
-        key: 'apply',
+      _createClass(_class46, [{
+        key: "apply",
         value: function apply(ctx, x, y, width, height) {
           if (typeof canvasRGBA_ === 'undefined') {
             svg.log('ERROR: `setStackBlurCanvasRGBA` must be run for blur to work');
             return;
-          }
-
-          // Todo: This might not be a problem anymore with out `instanceof` fix
+          } // Todo: This might not be a problem anymore with out `instanceof` fix
           // StackBlur requires canvas be on document
+
+
           ctx.canvas.id = svg.UniqueId();
           ctx.canvas.style.display = 'none';
           document.body.append(ctx.canvas);
@@ -4052,53 +4407,65 @@ var canvg = (function (exports) {
           ctx.canvas.remove();
         }
       }]);
-      return _class46;
-    }(svg.Element.ElementBase);
 
-    // title element, do nothing
-    svg.Element.title = function (_svg$Element$ElementB18) {
-      inherits(_class47, _svg$Element$ElementB18);
+      return _class46;
+    }(svg.Element.ElementBase); // title element, do nothing
+
+
+    svg.Element.title =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB18) {
+      _inherits(_class47, _svg$Element$ElementB18);
 
       function _class47(node) {
-        classCallCheck(this, _class47);
-        return possibleConstructorReturn(this, (_class47.__proto__ || Object.getPrototypeOf(_class47)).call(this));
+        _classCallCheck(this, _class47);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class47).call(this));
       }
 
       return _class47;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // desc element, do nothing
 
-    // desc element, do nothing
-    svg.Element.desc = function (_svg$Element$ElementB19) {
-      inherits(_class48, _svg$Element$ElementB19);
+
+    svg.Element.desc =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB19) {
+      _inherits(_class48, _svg$Element$ElementB19);
 
       function _class48(node) {
-        classCallCheck(this, _class48);
-        return possibleConstructorReturn(this, (_class48.__proto__ || Object.getPrototypeOf(_class48)).call(this));
+        _classCallCheck(this, _class48);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class48).call(this));
       }
 
       return _class48;
     }(svg.Element.ElementBase);
 
-    svg.Element.MISSING = function (_svg$Element$ElementB20) {
-      inherits(_class49, _svg$Element$ElementB20);
+    svg.Element.MISSING =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB20) {
+      _inherits(_class49, _svg$Element$ElementB20);
 
       function _class49(node) {
-        classCallCheck(this, _class49);
+        var _this25;
 
-        var _this53 = possibleConstructorReturn(this, (_class49.__proto__ || Object.getPrototypeOf(_class49)).call(this));
+        _classCallCheck(this, _class49);
 
+        _this25 = _possibleConstructorReturn(this, _getPrototypeOf(_class49).call(this));
         svg.log('ERROR: Element \'' + node.nodeName + '\' not yet implemented.');
-        return _this53;
+        return _this25;
       }
 
       return _class49;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // element factory
+
 
-    // element factory
     svg.CreateElement = function (node) {
       var className = node.nodeName.replace(/^[^:]+:/, '') // remove namespace
       .replace(/-/g, ''); // remove dashes
-      var e = void 0;
+
+      var e;
+
       if (typeof svg.Element[className] !== 'undefined') {
         e = new svg.Element[className](node);
       } else {
@@ -4107,11 +4474,15 @@ var canvg = (function (exports) {
 
       e.type = node.nodeName;
       return e;
-    };
+    }; // load from url
 
-    // load from url
-    svg.load = function () {
-      var _ref4 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(ctx, url) {
+
+    svg.load =
+    /*#__PURE__*/
+    function () {
+      var _ref4 = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(ctx, url) {
         var dom;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
@@ -4122,10 +4493,10 @@ var canvg = (function (exports) {
 
               case 2:
                 dom = _context.sent;
-                return _context.abrupt('return', svg.loadXml(ctx, dom));
+                return _context.abrupt("return", svg.loadXml(ctx, dom));
 
               case 4:
-              case 'end':
+              case "end":
                 return _context.stop();
             }
           }
@@ -4135,44 +4506,47 @@ var canvg = (function (exports) {
       return function (_x3, _x4) {
         return _ref4.apply(this, arguments);
       };
-    }();
+    }(); // load from xml
+
 
-    // load from xml
     svg.loadXml = function (ctx, xml) {
       return svg.loadXmlDoc(ctx, svg.parseXml(xml));
     };
 
     svg.loadXmlDoc = function (ctx, dom) {
-      var res = void 0;
+      var res;
       svg.init(ctx);
 
       var mapXY = function mapXY(p) {
         var e = ctx.canvas;
+
         while (e) {
           p.x -= e.offsetLeft;
           p.y -= e.offsetTop;
           e = e.offsetParent;
         }
+
         if (window.scrollX) p.x += window.scrollX;
         if (window.scrollY) p.y += window.scrollY;
         return p;
-      };
+      }; // bind mouse
+
 
-      // bind mouse
       if (svg.opts.ignoreMouse !== true) {
         ctx.canvas.onclick = function (e) {
           var args = e != null ? [e.clientX, e.clientY] : [event.clientX, event.clientY];
 
-          var _mapXY = mapXY(new (Function.prototype.bind.apply(svg.Point, [null].concat(args)))()),
+          var _mapXY = mapXY(_construct(svg.Point, args)),
               x = _mapXY.x,
               y = _mapXY.y;
 
           svg.Mouse.onclick(x, y);
         };
+
         ctx.canvas.onmousemove = function (e) {
           var args = e != null ? [e.clientX, e.clientY] : [event.clientX, event.clientY];
 
-          var _mapXY2 = mapXY(new (Function.prototype.bind.apply(svg.Point, [null].concat(args)))()),
+          var _mapXY2 = mapXY(_construct(svg.Point, args)),
               x = _mapXY2.x,
               y = _mapXY2.y;
 
@@ -4181,12 +4555,13 @@ var canvg = (function (exports) {
       }
 
       var e = svg.CreateElement(dom.documentElement);
-      e.root = true;
+      e.root = true; // render loop
 
-      // render loop
       var isFirstRender = true;
+
       var draw = function draw(resolve) {
         svg.ViewPort.Clear();
+
         if (ctx.canvas.parentNode) {
           svg.ViewPort.SetCurrent(ctx.canvas.parentNode.clientWidth, ctx.canvas.parentNode.clientHeight);
         }
@@ -4197,25 +4572,31 @@ var canvg = (function (exports) {
             ctx.canvas.width = e.style('width').toPixels('x');
             ctx.canvas.style.width = ctx.canvas.width + 'px';
           }
+
           if (e.style('height').hasValue()) {
             ctx.canvas.height = e.style('height').toPixels('y');
             ctx.canvas.style.height = ctx.canvas.height + 'px';
           }
         }
+
         var cWidth = ctx.canvas.clientWidth || ctx.canvas.width;
         var cHeight = ctx.canvas.clientHeight || ctx.canvas.height;
+
         if (svg.opts.ignoreDimensions === true && e.style('width').hasValue() && e.style('height').hasValue()) {
           cWidth = e.style('width').toPixels('x');
           cHeight = e.style('height').toPixels('y');
         }
+
         svg.ViewPort.SetCurrent(cWidth, cHeight);
 
         if (svg.opts.offsetX != null) {
           e.attribute('x', true).value = svg.opts.offsetX;
         }
+
         if (svg.opts.offsetY != null) {
           e.attribute('y', true).value = svg.opts.offsetY;
         }
+
         if (svg.opts.scaleWidth != null || svg.opts.scaleHeight != null) {
           var viewBox = svg.ToNumberArray(e.attribute('viewBox').value);
           var xRatio = null,
@@ -4240,6 +4621,7 @@ var canvg = (function (exports) {
           if (xRatio == null) {
             xRatio = yRatio;
           }
+
           if (yRatio == null) {
             yRatio = xRatio;
           }
@@ -4248,13 +4630,15 @@ var canvg = (function (exports) {
           e.attribute('height', true).value = svg.opts.scaleHeight;
           e.attribute('viewBox', true).value = '0 0 ' + cWidth * xRatio + ' ' + cHeight * yRatio;
           e.attribute('preserveAspectRatio', true).value = 'none';
-        }
+        } // clear and render
+
 
-        // clear and render
         if (svg.opts.ignoreClear !== true) {
           ctx.clearRect(0, 0, cWidth, cHeight);
         }
+
         e.render(ctx);
+
         if (isFirstRender) {
           isFirstRender = false;
           resolve(dom);
@@ -4268,28 +4652,28 @@ var canvg = (function (exports) {
         if (waitingForImages && svg.ImagesLoaded()) {
           waitingForImages = false;
           needUpdate = true;
-        }
+        } // need update from mouse events?
+
 
-        // need update from mouse events?
         if (svg.opts.ignoreMouse !== true) {
           needUpdate = needUpdate | svg.Mouse.hasEvents();
-        }
+        } // need update from animations?
+
 
-        // need update from animations?
         if (svg.opts.ignoreAnimation !== true) {
           svg.Animations.forEach(function (animation) {
             needUpdate = needUpdate | animation.update(1000 / svg.FRAMERATE);
           });
-        }
+        } // need update from redraw?
+
 
-        // need update from redraw?
         if (typeof svg.opts.forceRedraw === 'function') {
           if (svg.opts.forceRedraw() === true) {
             needUpdate = true;
           }
-        }
+        } // render if needed
+
 
-        // render if needed
         if (needUpdate) {
           draw(res);
           svg.Mouse.runEvents(); // run and clear our events
@@ -4301,6 +4685,7 @@ var canvg = (function (exports) {
           draw(resolve);
           return;
         }
+
         res = resolve;
       });
     };
@@ -4318,7 +4703,9 @@ var canvg = (function (exports) {
       },
       onclick: function onclick(x, y) {
         this.events.push({
-          type: 'onclick', x: x, y: y,
+          type: 'onclick',
+          x: x,
+          y: y,
           run: function run(e) {
             if (e.onclick) e.onclick();
           }
@@ -4326,59 +4713,56 @@ var canvg = (function (exports) {
       },
       onmousemove: function onmousemove(x, y) {
         this.events.push({
-          type: 'onmousemove', x: x, y: y,
+          type: 'onmousemove',
+          x: x,
+          y: y,
           run: function run(e) {
             if (e.onmousemove) e.onmousemove();
           }
         });
       },
-
-
       eventElements: [],
-
       checkPath: function checkPath(element, ctx) {
-        var _this54 = this;
+        var _this26 = this;
 
         this.events.forEach(function (_ref5, i) {
           var x = _ref5.x,
               y = _ref5.y;
 
           if (ctx.isPointInPath && ctx.isPointInPath(x, y)) {
-            _this54.eventElements[i] = element;
+            _this26.eventElements[i] = element;
           }
         });
       },
       checkBoundingBox: function checkBoundingBox(element, bb) {
-        var _this55 = this;
+        var _this27 = this;
 
         this.events.forEach(function (_ref6, i) {
           var x = _ref6.x,
               y = _ref6.y;
 
           if (bb.isPointInBox(x, y)) {
-            _this55.eventElements[i] = element;
+            _this27.eventElements[i] = element;
           }
         });
       },
       runEvents: function runEvents() {
-        var _this56 = this;
+        var _this28 = this;
 
         svg.ctx.canvas.style.cursor = '';
-
         this.events.forEach(function (e, i) {
-          var element = _this56.eventElements[i];
+          var element = _this28.eventElements[i];
+
           while (element) {
             e.run(element);
             element = element.parent;
           }
-        });
+        }); // done running, clear
 
-        // done running, clear
         this.events = [];
         this.eventElements = [];
       }
     };
-
     return svg;
   }
 
diff --git a/dist/dom-polyfill.js b/dist/dom-polyfill.js
index 37c2375c..3ace743b 100644
--- a/dist/dom-polyfill.js
+++ b/dist/dom-polyfill.js
@@ -2,13 +2,13 @@
   'use strict';
 
   // From https://github.com/inexorabletash/polyfill/blob/master/dom.js
-
   function mixin(o, ps) {
     if (!o) return;
     Object.keys(ps).forEach(function (p) {
       if (p in o || p in o.prototype) {
         return;
       }
+
       try {
         Object.defineProperty(o.prototype, p, Object.getOwnPropertyDescriptor(ps, p));
       } catch (ex) {
@@ -22,9 +22,11 @@
     nodes = nodes.map(function (node) {
       return !(node instanceof Node) ? document.createTextNode(node) : node;
     });
+
     if (nodes.length === 1) {
       return nodes[0];
     }
+
     var node = document.createDocumentFragment();
     nodes.forEach(function (n) {
       node.appendChild(n);
@@ -34,7 +36,7 @@
 
   var ParentNode = {
     prepend: function prepend() {
-      for (var _len = arguments.length, nodes = Array(_len), _key = 0; _key < _len; _key++) {
+      for (var _len = arguments.length, nodes = new Array(_len), _key = 0; _key < _len; _key++) {
         nodes[_key] = arguments[_key];
       }
 
@@ -42,7 +44,7 @@
       this.insertBefore(nodes, this.firstChild);
     },
     append: function append() {
-      for (var _len2 = arguments.length, nodes = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+      for (var _len2 = arguments.length, nodes = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
         nodes[_key2] = arguments[_key2];
       }
 
@@ -50,12 +52,10 @@
       this.appendChild(nodes);
     }
   };
-
   mixin(Document || HTMLDocument, ParentNode); // HTMLDocument for IE8
-  mixin(DocumentFragment, ParentNode);
-  mixin(Element, ParentNode);
 
-  // Mixin ChildNode
+  mixin(DocumentFragment, ParentNode);
+  mixin(Element, ParentNode); // Mixin ChildNode
   // https://dom.spec.whatwg.org/#interface-childnode
 
   var ChildNode = {
@@ -64,13 +64,14 @@
       if (!parent) return;
       var viablePreviousSibling = this.previousSibling;
 
-      for (var _len3 = arguments.length, nodes = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
+      for (var _len3 = arguments.length, nodes = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
         nodes[_key3] = arguments[_key3];
       }
 
       while (nodes.includes(viablePreviousSibling)) {
         viablePreviousSibling = viablePreviousSibling.previousSibling;
       }
+
       var node = convertNodesIntoANode(nodes);
       parent.insertBefore(node, viablePreviousSibling ? viablePreviousSibling.nextSibling : parent.firstChild);
     },
@@ -79,13 +80,14 @@
       if (!parent) return;
       var viableNextSibling = this.nextSibling;
 
-      for (var _len4 = arguments.length, nodes = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
+      for (var _len4 = arguments.length, nodes = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
         nodes[_key4] = arguments[_key4];
       }
 
       while (nodes.includes(viableNextSibling)) {
         viableNextSibling = viableNextSibling.nextSibling;
       }
+
       var node = convertNodesIntoANode(nodes);
       parent.insertBefore(node, viableNextSibling);
     },
@@ -94,13 +96,14 @@
       if (!parent) return;
       var viableNextSibling = this.nextSibling;
 
-      for (var _len5 = arguments.length, nodes = Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {
+      for (var _len5 = arguments.length, nodes = new Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {
         nodes[_key5] = arguments[_key5];
       }
 
       while (nodes.includes(viableNextSibling)) {
         viableNextSibling = viableNextSibling.nextSibling;
       }
+
       var node = convertNodesIntoANode(nodes);
 
       if (this.parentNode === parent) {
@@ -113,10 +116,10 @@
       if (!this.parentNode) {
         return;
       }
+
       this.parentNode.removeChild(this);
     }
   };
-
   mixin(DocumentType, ChildNode);
   mixin(Element, ChildNode);
   mixin(CharacterData, ChildNode);
diff --git a/dist/extensions/ext-arrows.js b/dist/extensions/ext-arrows.js
index 83e9615f..90ff8a20 100644
--- a/dist/extensions/ext-arrows.js
+++ b/dist/extensions/ext-arrows.js
@@ -1,36 +1,44 @@
 var svgEditorExtension_arrows = (function () {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
-  };
+  }
 
   /* globals jQuery */
+
   /**
    * ext-arrows.js
    *
@@ -42,34 +50,38 @@ var svgEditorExtension_arrows = (function () {
   var extArrows = {
     name: 'arrows',
     init: function () {
-      var _ref = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(S) {
+      var _init = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee2(S) {
         var strings, svgEditor, svgCanvas, $, addElem, nonce, prefix, selElems, arrowprefix, randomizeIds, setArrowNonce, unsetArrowNonce, pathdata, getLinked, showPanel, resetMarker, addMarker, setArrow, colorChanged, contextTools;
         return regeneratorRuntime.wrap(function _callee2$(_context2) {
           while (1) {
             switch (_context2.prev = _context2.next) {
               case 0:
-                colorChanged = function colorChanged(elem) {
+                colorChanged = function _ref9(elem) {
                   var color = elem.getAttribute('stroke');
                   var mtypes = ['start', 'mid', 'end'];
                   var defs = svgCanvas.findDefs();
-
                   $.each(mtypes, function (i, type) {
                     var marker = getLinked(elem, 'marker-' + type);
+
                     if (!marker) {
                       return;
                     }
 
                     var curColor = $(marker).children().attr('fill');
                     var curD = $(marker).children().attr('d');
+
                     if (curColor === color) {
                       return;
                     }
 
                     var allMarkers = $(defs).find('marker');
-                    var newMarker = null;
-                    // Different color, check if already made
+                    var newMarker = null; // Different color, check if already made
+
                     allMarkers.each(function () {
                       var attrs = $(this).children().attr(['fill', 'd']);
+
                       if (attrs.fill === color && attrs.d === curD) {
                         // Found another marker with this color and this path
                         newMarker = this;
@@ -80,15 +92,12 @@ var svgEditorExtension_arrows = (function () {
                       // Create a new marker with this color
                       var lastId = marker.id;
                       var dir = lastId.includes('_fw') ? 'fw' : 'bk';
-
                       newMarker = addMarker(dir, type, arrowprefix + dir + allMarkers.length);
-
                       $(newMarker).children().attr('fill', color);
                     }
 
-                    $(elem).attr('marker-' + type, 'url(#' + newMarker.id + ')');
+                    $(elem).attr('marker-' + type, 'url(#' + newMarker.id + ')'); // Check if last marker can be removed
 
-                    // Check if last marker can be removed
                     var remove = true;
                     $(S.svgcontent).find('line, polyline, path, polygon').each(function () {
                       var elem = this;
@@ -98,28 +107,29 @@ var svgEditorExtension_arrows = (function () {
                           return remove;
                         }
                       });
+
                       if (!remove) {
                         return false;
                       }
-                    });
+                    }); // Not found, so can safely remove
 
-                    // Not found, so can safely remove
                     if (remove) {
                       $(marker).remove();
                     }
                   });
                 };
 
-                setArrow = function setArrow() {
+                setArrow = function _ref8() {
                   resetMarker();
-
                   var type = this.value;
+
                   if (type === 'none') {
                     return;
-                  }
+                  } // Set marker on element
+
 
-                  // Set marker on element
                   var dir = 'fw';
+
                   if (type === 'mid_bk') {
                     type = 'mid';
                     dir = 'bk';
@@ -137,10 +147,9 @@ var svgEditorExtension_arrows = (function () {
                   svgCanvas.call('changed', selElems);
                 };
 
-                addMarker = function addMarker(dir, type, id) {
+                addMarker = function _ref7(dir, type, id) {
                   // TODO: Make marker (or use?) per arrow type, since refX can be different
                   id = id || arrowprefix + dir;
-
                   var data = pathdata[dir];
 
                   if (type === 'mid') {
@@ -148,6 +157,7 @@ var svgEditorExtension_arrows = (function () {
                   }
 
                   var marker = svgCanvas.getElem(id);
+
                   if (!marker) {
                     marker = addElem({
                       element: 'marker',
@@ -160,6 +170,7 @@ var svgEditorExtension_arrows = (function () {
                         markerHeight: 5,
                         orient: 'auto',
                         style: 'pointer-events:none' // Currently needed for Opera
+
                       }
                     });
                     var arrow = addElem({
@@ -174,25 +185,26 @@ var svgEditorExtension_arrows = (function () {
                   }
 
                   marker.setAttribute('refX', data.refx);
-
                   return marker;
                 };
 
-                resetMarker = function resetMarker() {
+                resetMarker = function _ref6() {
                   var el = selElems[0];
                   el.removeAttribute('marker-start');
                   el.removeAttribute('marker-mid');
                   el.removeAttribute('marker-end');
                 };
 
-                showPanel = function showPanel(on) {
+                showPanel = function _ref5(on) {
                   $('#arrow_panel').toggle(on);
+
                   if (on) {
                     var el = selElems[0];
                     var end = el.getAttribute('marker-end');
                     var start = el.getAttribute('marker-start');
                     var mid = el.getAttribute('marker-mid');
-                    var val = void 0;
+                    var val;
+
                     if (end && start) {
                       val = 'both';
                     } else if (end) {
@@ -201,6 +213,7 @@ var svgEditorExtension_arrows = (function () {
                       val = 'start';
                     } else if (mid) {
                       val = 'mid';
+
                       if (mid.includes('bk')) {
                         val = 'mid_bk';
                       }
@@ -214,26 +227,30 @@ var svgEditorExtension_arrows = (function () {
                   }
                 };
 
-                getLinked = function getLinked(elem, attr) {
+                getLinked = function _ref4(elem, attr) {
                   var str = elem.getAttribute(attr);
+
                   if (!str) {
                     return null;
                   }
+
                   var m = str.match(/\(#(.*)\)/);
+
                   if (!m || m.length !== 2) {
                     return null;
                   }
+
                   return svgCanvas.getElem(m[1]);
                 };
 
-                unsetArrowNonce = function unsetArrowNonce(window) {
+                unsetArrowNonce = function _ref3(window) {
                   randomizeIds = false;
                   arrowprefix = prefix;
                   pathdata.fw.id = arrowprefix + 'fw';
                   pathdata.bk.id = arrowprefix + 'bk';
                 };
 
-                setArrowNonce = function setArrowNonce(window, n) {
+                setArrowNonce = function _ref2(window, n) {
                   randomizeIds = true;
                   arrowprefix = prefix + n + '_';
                   pathdata.fw.id = arrowprefix + 'fw';
@@ -250,9 +267,7 @@ var svgEditorExtension_arrows = (function () {
                 $ = jQuery;
                 // {svgcontent} = S,
                 addElem = svgCanvas.addSVGElementFromJson, nonce = S.nonce, prefix = 'se_arrow_';
-                selElems = void 0, arrowprefix = void 0, randomizeIds = S.randomize_ids;
-
-
+                randomizeIds = S.randomize_ids;
                 svgCanvas.bind('setnonce', setArrowNonce);
                 svgCanvas.bind('unsetnonce', unsetArrowNonce);
 
@@ -263,8 +278,16 @@ var svgEditorExtension_arrows = (function () {
                 }
 
                 pathdata = {
-                  fw: { d: 'm0,0l10,5l-10,5l5,-5l-5,-5z', refx: 8, id: arrowprefix + 'fw' },
-                  bk: { d: 'm10,0l-10,5l10,5l-5,-5l5,-5z', refx: 2, id: arrowprefix + 'bk' }
+                  fw: {
+                    d: 'm0,0l10,5l-10,5l5,-5l-5,-5z',
+                    refx: 8,
+                    id: arrowprefix + 'fw'
+                  },
+                  bk: {
+                    d: 'm10,0l-10,5l10,5l-5,-5l5,-5z',
+                    refx: 2,
+                    id: arrowprefix + 'bk'
+                  }
                 };
                 contextTools = [{
                   type: 'select',
@@ -275,56 +298,56 @@ var svgEditorExtension_arrows = (function () {
                     change: setArrow
                   }
                 }];
-                return _context2.abrupt('return', {
+                return _context2.abrupt("return", {
                   name: strings.name,
                   context_tools: strings.contextTools.map(function (contextTool, i) {
                     return Object.assign(contextTools[i], contextTool);
                   }),
                   callback: function callback() {
-                    $('#arrow_panel').hide();
-                    // Set ID so it can be translated in locale file
+                    $('#arrow_panel').hide(); // Set ID so it can be translated in locale file
+
                     $('#arrow_list option')[0].id = 'connector_no_arrow';
                   },
                   addLangData: function () {
-                    var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(_ref2) {
-                      var lang = _ref2.lang,
-                          importLocale = _ref2.importLocale;
-                      var strings;
+                    var _addLangData = _asyncToGenerator(
+                    /*#__PURE__*/
+                    regeneratorRuntime.mark(function _callee(_ref) {
+                      var lang, importLocale, strings;
                       return regeneratorRuntime.wrap(function _callee$(_context) {
                         while (1) {
                           switch (_context.prev = _context.next) {
                             case 0:
-                              _context.next = 2;
+                              lang = _ref.lang, importLocale = _ref.importLocale;
+                              _context.next = 3;
                               return importLocale();
 
-                            case 2:
+                            case 3:
                               strings = _context.sent;
-                              return _context.abrupt('return', {
+                              return _context.abrupt("return", {
                                 data: strings.langList
                               });
 
-                            case 4:
-                            case 'end':
+                            case 5:
+                            case "end":
                               return _context.stop();
                           }
                         }
                       }, _callee, this);
                     }));
 
-                    function addLangData(_x2) {
-                      return _ref3.apply(this, arguments);
-                    }
-
-                    return addLangData;
+                    return function addLangData(_x2) {
+                      return _addLangData.apply(this, arguments);
+                    };
                   }(),
                   selectedChanged: function selectedChanged(opts) {
                     // Use this to update the current selected elements
                     selElems = opts.elems;
-
                     var markerElems = ['line', 'path', 'polyline', 'polygon'];
                     var i = selElems.length;
+
                     while (i--) {
                       var elem = selElems[i];
+
                       if (elem && markerElems.includes(elem.tagName)) {
                         if (opts.selectedElement && !opts.multiselected) {
                           showPanel(true);
@@ -338,6 +361,7 @@ var svgEditorExtension_arrows = (function () {
                   },
                   elementChanged: function elementChanged(opts) {
                     var elem = opts.elems[0];
+
                     if (elem && (elem.getAttribute('marker-start') || elem.getAttribute('marker-mid') || elem.getAttribute('marker-end'))) {
                       // const start = elem.getAttribute('marker-start');
                       // const mid = elem.getAttribute('marker-mid');
@@ -349,18 +373,16 @@ var svgEditorExtension_arrows = (function () {
                 });
 
               case 22:
-              case 'end':
+              case "end":
                 return _context2.stop();
             }
           }
         }, _callee2, this);
       }));
 
-      function init(_x) {
-        return _ref.apply(this, arguments);
-      }
-
-      return init;
+      return function init(_x) {
+        return _init.apply(this, arguments);
+      };
     }()
   };
 
diff --git a/dist/extensions/ext-closepath.js b/dist/extensions/ext-closepath.js
index efa7cfd0..fe4fad06 100644
--- a/dist/extensions/ext-closepath.js
+++ b/dist/extensions/ext-closepath.js
@@ -1,36 +1,44 @@
 var svgEditorExtension_closepath = (function () {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
-  };
+  }
 
   /* globals jQuery */
+
   /**
    * ext-closepath.js
    *
@@ -39,27 +47,27 @@ var svgEditorExtension_closepath = (function () {
    * @copyright 2010 Jeff Schiller
    *
    */
-
   // This extension adds a simple button to the contextual panel for paths
   // The button toggles whether the path is open or closed
   var extClosepath = {
     name: 'closepath',
     init: function () {
-      var _ref2 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(_ref) {
-        var importLocale = _ref.importLocale;
-        var strings, $, svgEditor, selElems, updateButton, showPanel, toggleClosed, buttons;
+      var _init = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(_ref) {
+        var importLocale, strings, $, svgEditor, selElems, updateButton, showPanel, toggleClosed, buttons;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
-                _context.next = 2;
+                importLocale = _ref.importLocale;
+                _context.next = 3;
                 return importLocale();
 
-              case 2:
+              case 3:
                 strings = _context.sent;
                 $ = jQuery;
                 svgEditor = this;
-                selElems = void 0;
 
                 updateButton = function updateButton(path) {
                   var seglist = path.pathSegList,
@@ -72,8 +80,10 @@ var svgEditorExtension_closepath = (function () {
 
                 showPanel = function showPanel(on) {
                   $('#closepath_panel').toggle(on);
+
                   if (on) {
                     var path = selElems[0];
+
                     if (path) {
                       updateButton(path);
                     }
@@ -82,15 +92,17 @@ var svgEditorExtension_closepath = (function () {
 
                 toggleClosed = function toggleClosed() {
                   var path = selElems[0];
+
                   if (path) {
                     var seglist = path.pathSegList,
-                        last = seglist.numberOfItems - 1;
-                    // is closed
+                        last = seglist.numberOfItems - 1; // is closed
+
                     if (seglist.getItem(last).pathSegType === 1) {
                       seglist.removeItem(last);
                     } else {
                       seglist.appendItem(path.createSVGPathSegClosePath());
                     }
+
                     updateButton(path);
                   }
                 };
@@ -116,7 +128,7 @@ var svgEditorExtension_closepath = (function () {
                     }
                   }
                 }];
-                return _context.abrupt('return', {
+                return _context.abrupt("return", {
                   name: strings.name,
                   svgicons: svgEditor.curConfig.extIconsPath + 'closepath_icons.svg',
                   buttons: strings.buttons.map(function (button, i) {
@@ -128,8 +140,10 @@ var svgEditorExtension_closepath = (function () {
                   selectedChanged: function selectedChanged(opts) {
                     selElems = opts.elems;
                     var i = selElems.length;
+
                     while (i--) {
                       var elem = selElems[i];
+
                       if (elem && elem.tagName === 'path') {
                         if (opts.selectedElement && !opts.multiselected) {
                           showPanel(true);
@@ -144,18 +158,16 @@ var svgEditorExtension_closepath = (function () {
                 });
 
               case 11:
-              case 'end':
+              case "end":
                 return _context.stop();
             }
           }
         }, _callee, this);
       }));
 
-      function init(_x) {
-        return _ref2.apply(this, arguments);
-      }
-
-      return init;
+      return function init(_x) {
+        return _init.apply(this, arguments);
+      };
     }()
   };
 
diff --git a/dist/extensions/ext-connector.js b/dist/extensions/ext-connector.js
index 1d325cae..d2821767 100644
--- a/dist/extensions/ext-connector.js
+++ b/dist/extensions/ext-connector.js
@@ -1,36 +1,44 @@
 var svgEditorExtension_connector = (function () {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
-  };
+  }
 
   /* globals jQuery */
+
   /**
    * ext-connector.js
    *
@@ -39,20 +47,22 @@ var svgEditorExtension_connector = (function () {
    * @copyright 2010 Alexis Deveria
    *
    */
-
   var extConnector = {
     name: 'connector',
     init: function () {
-      var _ref = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(S) {
+      var _init = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee2(S) {
         var $, svgEditor, svgCanvas, getElem, svgroot, importLocale, addElem, selManager, connSel, elData, strings, startX, startY, curLine, startElem, endElem, seNs, svgcontent, started, connections, selElems, getBBintersect, getOffset, showPanel, setPoint, updateLine, findConnectors, updateConnectors, init, buttons;
         return regeneratorRuntime.wrap(function _callee2$(_context2) {
           while (1) {
             switch (_context2.prev = _context2.next) {
               case 0:
-                init = function init() {
+                init = function _ref9() {
                   // Make sure all connectors have data set
                   $(svgcontent).find('*').each(function () {
                     var conn = this.getAttributeNS(seNs, 'connector');
+
                     if (conn) {
                       this.setAttribute('class', connSel.substr(1));
                       var connData = conn.split(' ');
@@ -61,104 +71,102 @@ var svgEditorExtension_connector = (function () {
                       $(this).data('c_start', connData[0]).data('c_end', connData[1]).data('start_bb', sbb).data('end_bb', ebb);
                       svgCanvas.getEditorNS(true);
                     }
-                  });
-                  // updateConnectors();
+                  }); // updateConnectors();
                 };
 
-                updateConnectors = function updateConnectors(elems) {
+                updateConnectors = function _ref8(elems) {
                   // Updates connector lines based on selected elements
                   // Is not used on mousemove, as it runs getStrokedBBox every time,
                   // which isn't necessary there.
                   findConnectors(elems);
+
                   if (connections.length) {
                     // Update line with element
                     var i = connections.length;
+
                     while (i--) {
                       var conn = connections[i];
                       var line = conn.connector;
-                      var elem = conn.elem;
+                      var elem = conn.elem; // const sw = line.getAttribute('stroke-width') * 5;
 
-                      // const sw = line.getAttribute('stroke-width') * 5;
+                      var pre = conn.is_start ? 'start' : 'end'; // Update bbox for this element
 
-                      var pre = conn.is_start ? 'start' : 'end';
-
-                      // Update bbox for this element
                       var bb = svgCanvas.getStrokedBBox([elem]);
                       bb.x = conn.start_x;
                       bb.y = conn.start_y;
                       elData(line, pre + '_bb', bb);
-                      /* const addOffset = */elData(line, pre + '_off');
+                      /* const addOffset = */
 
-                      var altPre = conn.is_start ? 'end' : 'start';
+                      elData(line, pre + '_off');
+                      var altPre = conn.is_start ? 'end' : 'start'; // Get center pt of connected element
 
-                      // Get center pt of connected element
                       var bb2 = elData(line, altPre + '_bb');
                       var srcX = bb2.x + bb2.width / 2;
-                      var srcY = bb2.y + bb2.height / 2;
+                      var srcY = bb2.y + bb2.height / 2; // Set point of element being moved
 
-                      // Set point of element being moved
                       var pt = getBBintersect(srcX, srcY, bb, getOffset(pre, line));
-                      setPoint(line, conn.is_start ? 0 : 'end', pt.x, pt.y, true);
+                      setPoint(line, conn.is_start ? 0 : 'end', pt.x, pt.y, true); // Set point of connected element
 
-                      // Set point of connected element
                       var pt2 = getBBintersect(pt.x, pt.y, elData(line, altPre + '_bb'), getOffset(altPre, line));
-                      setPoint(line, conn.is_start ? 'end' : 0, pt2.x, pt2.y, true);
+                      setPoint(line, conn.is_start ? 'end' : 0, pt2.x, pt2.y, true); // Update points attribute manually for webkit
 
-                      // Update points attribute manually for webkit
                       if (navigator.userAgent.includes('AppleWebKit')) {
                         var pts = line.points;
                         var len = pts.numberOfItems;
                         var ptArr = [];
+
                         for (var j = 0; j < len; j++) {
                           pt = pts.getItem(j);
                           ptArr[j] = pt.x + ',' + pt.y;
                         }
+
                         line.setAttribute('points', ptArr.join(' '));
                       }
                     }
                   }
                 };
 
-                findConnectors = function findConnectors() {
+                findConnectors = function _ref7() {
                   var elems = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : selElems;
-
                   var connectors = $(svgcontent).find(connSel);
-                  connections = [];
+                  connections = []; // Loop through connectors to see if one is connected to the element
 
-                  // Loop through connectors to see if one is connected to the element
                   connectors.each(function () {
-                    var addThis = void 0;
+                    var addThis;
+
                     function add() {
                       if (elems.includes(this)) {
                         // Pretend this element is selected
                         addThis = true;
                       }
-                    }
+                    } // Grab the ends
+
 
-                    // Grab the ends
                     var parts = [];
                     ['start', 'end'].forEach(function (pos, i) {
                       var key = 'c_' + pos;
                       var part = elData(this, key);
+
                       if (part == null) {
                         part = document.getElementById(this.attributes['se:connector'].value.split(' ')[i]);
                         elData(this, 'c_' + pos, part.id);
                         elData(this, pos + '_bb', svgCanvas.getStrokedBBox([part]));
                       } else part = document.getElementById(part);
+
                       parts.push(part);
                     }.bind(this));
 
                     for (var i = 0; i < 2; i++) {
                       var cElem = parts[i];
+                      addThis = false; // The connected element might be part of a selected group
 
-                      addThis = false;
-                      // The connected element might be part of a selected group
                       $(cElem).parents().each(add);
 
                       if (!cElem || !cElem.parentNode) {
                         $(this).remove();
                         continue;
                       }
+
                       if (elems.includes(cElem) || addThis) {
                         var bb = svgCanvas.getStrokedBBox([cElem]);
                         connections.push({
@@ -173,59 +181,59 @@ var svgEditorExtension_connector = (function () {
                   });
                 };
 
-                updateLine = function updateLine(diffX, diffY) {
+                updateLine = function _ref6(diffX, diffY) {
                   // Update line with element
                   var i = connections.length;
+
                   while (i--) {
                     var conn = connections[i];
-                    var line = conn.connector;
-                    // const {elem} = conn;
-
-                    var pre = conn.is_start ? 'start' : 'end';
-                    // const sw = line.getAttribute('stroke-width') * 5;
+                    var line = conn.connector; // const {elem} = conn;
 
+                    var pre = conn.is_start ? 'start' : 'end'; // const sw = line.getAttribute('stroke-width') * 5;
                     // Update bbox for this element
+
                     var bb = elData(line, pre + '_bb');
                     bb.x = conn.start_x + diffX;
                     bb.y = conn.start_y + diffY;
                     elData(line, pre + '_bb', bb);
+                    var altPre = conn.is_start ? 'end' : 'start'; // Get center pt of connected element
 
-                    var altPre = conn.is_start ? 'end' : 'start';
-
-                    // Get center pt of connected element
                     var bb2 = elData(line, altPre + '_bb');
                     var srcX = bb2.x + bb2.width / 2;
-                    var srcY = bb2.y + bb2.height / 2;
+                    var srcY = bb2.y + bb2.height / 2; // Set point of element being moved
 
-                    // Set point of element being moved
                     var pt = getBBintersect(srcX, srcY, bb, getOffset(pre, line)); // $(line).data(pre+'_off')?sw:0
-                    setPoint(line, conn.is_start ? 0 : 'end', pt.x, pt.y, true);
 
-                    // Set point of connected element
+                    setPoint(line, conn.is_start ? 0 : 'end', pt.x, pt.y, true); // Set point of connected element
+
                     var pt2 = getBBintersect(pt.x, pt.y, elData(line, altPre + '_bb'), getOffset(altPre, line));
                     setPoint(line, conn.is_start ? 'end' : 0, pt2.x, pt2.y, true);
                   }
                 };
 
-                setPoint = function setPoint(elem, pos, x, y, setMid) {
+                setPoint = function _ref5(elem, pos, x, y, setMid) {
                   var pts = elem.points;
                   var pt = svgroot.createSVGPoint();
                   pt.x = x;
                   pt.y = y;
+
                   if (pos === 'end') {
                     pos = pts.numberOfItems - 1;
-                  }
-                  // TODO: Test for this on init, then use alt only if needed
+                  } // TODO: Test for this on init, then use alt only if needed
+
+
                   try {
                     pts.replaceItem(pt, pos);
                   } catch (err) {
                     // Should only occur in FF which formats points attr as "n,n n,n", so just split
                     var ptArr = elem.getAttribute('points').split(' ');
+
                     for (var i = 0; i < ptArr.length; i++) {
                       if (i === pos) {
                         ptArr[i] = x + ',' + y;
                       }
                     }
+
                     elem.setAttribute('points', ptArr.join(' '));
                   }
 
@@ -237,25 +245,26 @@ var svgEditorExtension_connector = (function () {
                   }
                 };
 
-                showPanel = function showPanel(on) {
+                showPanel = function _ref4(on) {
                   var connRules = $('#connector_rules');
+
                   if (!connRules.length) {
                     connRules = $('<style id="connector_rules"></style>').appendTo('head');
                   }
+
                   connRules.text(!on ? '' : '#tool_clone, #tool_topath, #tool_angle, #xy_panel { display: none !important; }');
                   $('#connector_panel').toggle(on);
                 };
 
-                getOffset = function getOffset(side, line) {
-                  var giveOffset = !!line.getAttribute('marker-' + side);
-                  // const giveOffset = $(line).data(side+'_off');
-
+                getOffset = function _ref3(side, line) {
+                  var giveOffset = !!line.getAttribute('marker-' + side); // const giveOffset = $(line).data(side+'_off');
                   // TODO: Make this number (5) be based on marker width/height
+
                   var size = line.getAttribute('stroke-width') * 5;
                   return giveOffset ? size : 0;
                 };
 
-                getBBintersect = function getBBintersect(x, y, bb, offset) {
+                getBBintersect = function _ref2(x, y, bb, offset) {
                   if (offset) {
                     offset -= 0;
                     bb = $.extend({}, bb);
@@ -269,10 +278,9 @@ var svgEditorExtension_connector = (function () {
                   var midY = bb.y + bb.height / 2;
                   var lenX = x - midX;
                   var lenY = y - midY;
-
                   var slope = Math.abs(lenY / lenX);
+                  var ratio;
 
-                  var ratio = void 0;
                   if (slope < bb.height / bb.width) {
                     ratio = bb.width / 2 / Math.abs(lenX);
                   } else {
@@ -295,12 +303,7 @@ var svgEditorExtension_connector = (function () {
 
               case 15:
                 strings = _context2.sent;
-                startX = void 0, startY = void 0, curLine = void 0, startElem = void 0, endElem = void 0, seNs = void 0, svgcontent = S.svgcontent, started = false, connections = [], selElems = [];
-
-                /**
-                *
-                * @param {Element[]} [elem=selElems] Array of elements
-                */
+                svgcontent = S.svgcontent, started = false, connections = [], selElems = [];
 
                 // Do once
                 (function () {
@@ -320,9 +323,7 @@ var svgEditorExtension_connector = (function () {
                   };
 
                   seNs = svgCanvas.getEditorNS();
-                })();
-
-                // Do on reset
+                })(); // Do on reset
 
 
                 // $(svgroot).parent().mousemove(function (e) {
@@ -335,7 +336,6 @@ var svgEditorExtension_connector = (function () {
                 // //
                 // // }
                 // });
-
                 buttons = [{
                   id: 'mode_connect',
                   type: 'mode',
@@ -351,37 +351,37 @@ var svgEditorExtension_connector = (function () {
                     }
                   }
                 }];
-                return _context2.abrupt('return', {
+                return _context2.abrupt("return", {
                   name: strings.name,
                   svgicons: svgEditor.curConfig.imgPath + 'conn.svg',
                   buttons: strings.buttons.map(function (button, i) {
                     return Object.assign(buttons[i], button);
                   }),
                   addLangData: function () {
-                    var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(_ref2) {
-                      var lang = _ref2.lang,
-                          importLocale = _ref2.importLocale;
+                    var _addLangData = _asyncToGenerator(
+                    /*#__PURE__*/
+                    regeneratorRuntime.mark(function _callee(_ref) {
+                      var lang, importLocale;
                       return regeneratorRuntime.wrap(function _callee$(_context) {
                         while (1) {
                           switch (_context.prev = _context.next) {
                             case 0:
-                              return _context.abrupt('return', {
+                              lang = _ref.lang, importLocale = _ref.importLocale;
+                              return _context.abrupt("return", {
                                 data: strings.langList
                               });
 
-                            case 1:
-                            case 'end':
+                            case 2:
+                            case "end":
                               return _context.stop();
                           }
                         }
                       }, _callee, this);
                     }));
 
-                    function addLangData(_x3) {
-                      return _ref3.apply(this, arguments);
-                    }
-
-                    return addLangData;
+                    return function addLangData(_x2) {
+                      return _addLangData.apply(this, arguments);
+                    };
                   }(),
                   mouseDown: function mouseDown(opts) {
                     var e = opts.event;
@@ -390,28 +390,23 @@ var svgEditorExtension_connector = (function () {
                     var mode = svgCanvas.getMode();
                     var initStroke = svgEditor.curConfig.initStroke;
 
-
                     if (mode === 'connector') {
                       if (started) {
                         return;
                       }
 
                       var mouseTarget = e.target;
-
                       var parents = $(mouseTarget).parents();
 
                       if ($.inArray(svgcontent, parents) !== -1) {
                         // Connectable element
-
                         // If child of foreignObject, use parent
                         var fo = $(mouseTarget).closest('foreignObject');
-                        startElem = fo.length ? fo[0] : mouseTarget;
+                        startElem = fo.length ? fo[0] : mouseTarget; // Get center of source element
 
-                        // Get center of source element
                         var bb = svgCanvas.getStrokedBBox([startElem]);
                         var x = bb.x + bb.width / 2;
                         var y = bb.y + bb.height / 2;
-
                         started = true;
                         curLine = addElem({
                           element: 'polyline',
@@ -427,23 +422,23 @@ var svgEditorExtension_connector = (function () {
                         });
                         elData(curLine, 'start_bb', bb);
                       }
+
                       return {
                         started: true
                       };
                     }
+
                     if (mode === 'select') {
                       findConnectors();
                     }
                   },
                   mouseMove: function mouseMove(opts) {
-                    var zoom = svgCanvas.getZoom();
-                    // const e = opts.event;
+                    var zoom = svgCanvas.getZoom(); // const e = opts.event;
+
                     var x = opts.mouse_x / zoom;
                     var y = opts.mouse_y / zoom;
-
                     var diffX = x - startX,
                         diffY = y - startY;
-
                     var mode = svgCanvas.getMode();
 
                     if (mode === 'connector' && started) {
@@ -452,22 +447,22 @@ var svgEditorExtension_connector = (function () {
                       var pt = getBBintersect(x, y, elData(curLine, 'start_bb'), getOffset('start', curLine));
                       startX = pt.x;
                       startY = pt.y;
+                      setPoint(curLine, 0, pt.x, pt.y, true); // Set end point
 
-                      setPoint(curLine, 0, pt.x, pt.y, true);
-
-                      // Set end point
                       setPoint(curLine, 'end', x, y, true);
                     } else if (mode === 'select') {
                       var slen = selElems.length;
+
                       while (slen--) {
-                        var elem = selElems[slen];
-                        // Look for selected connector elements
+                        var elem = selElems[slen]; // Look for selected connector elements
+
                         if (elem && elData(elem, 'c_start')) {
                           // Remove the "translate" transform given to move
                           svgCanvas.removeFromSelection([elem]);
                           svgCanvas.getTransformList(elem).clear();
                         }
                       }
+
                       if (connections.length) {
                         updateLine(diffX, diffY);
                       }
@@ -475,15 +470,17 @@ var svgEditorExtension_connector = (function () {
                   },
                   mouseUp: function mouseUp(opts) {
                     // const zoom = svgCanvas.getZoom();
-                    var e = opts.event;
-                    // , x = opts.mouse_x / zoom,
+                    var e = opts.event; // , x = opts.mouse_x / zoom,
                     // , y = opts.mouse_y / zoom,
+
                     var mouseTarget = e.target;
 
                     if (svgCanvas.getMode() !== 'connector') {
                       return;
                     }
+
                     var fo = $(mouseTarget).closest('foreignObject');
+
                     if (fo.length) {
                       mouseTarget = fo[0];
                     }
@@ -499,6 +496,7 @@ var svgEditorExtension_connector = (function () {
                         started: started
                       };
                     }
+
                     if ($.inArray(svgcontent, parents) === -1) {
                       // Not a valid target element, so remove line
                       $(curLine).remove();
@@ -508,21 +506,23 @@ var svgEditorExtension_connector = (function () {
                         element: null,
                         started: started
                       };
-                    }
-                    // Valid end element
-                    endElem = mouseTarget;
+                    } // Valid end element
 
+
+                    endElem = mouseTarget;
                     var startId = startElem.id,
                         endId = endElem.id;
                     var connStr = startId + ' ' + endId;
-                    var altStr = endId + ' ' + startId;
-                    // Don't create connector if one already exists
+                    var altStr = endId + ' ' + startId; // Don't create connector if one already exists
+
                     var dupe = $(svgcontent).find(connSel).filter(function () {
                       var conn = this.getAttributeNS(seNs, 'connector');
+
                       if (conn === connStr || conn === altStr) {
                         return true;
                       }
                     });
+
                     if (dupe.length) {
                       $(curLine).remove();
                       return {
@@ -533,7 +533,6 @@ var svgEditorExtension_connector = (function () {
                     }
 
                     var bb = svgCanvas.getStrokedBBox([endElem]);
-
                     var pt = getBBintersect(startX, startY, bb, getOffset('start', curLine));
                     setPoint(curLine, 'end', pt.x, pt.y, true);
                     $(curLine).data('c_start', startId).data('c_end', endId).data('end_bb', bb);
@@ -559,16 +558,18 @@ var svgEditorExtension_connector = (function () {
 
                     if (svgCanvas.getMode() === 'connector') {
                       svgCanvas.setMode('select');
-                    }
+                    } // Use this to update the current selected elements
+
 
-                    // Use this to update the current selected elements
                     selElems = opts.elems;
-
                     var i = selElems.length;
+
                     while (i--) {
                       var elem = selElems[i];
+
                       if (elem && elData(elem, 'c_start')) {
                         selManager.requestSelector(elem).showGrips(false);
+
                         if (opts.selectedElement && !opts.multiselected) {
                           // TODO: Set up context tools and hide most regular line tools
                           showPanel(true);
@@ -579,17 +580,19 @@ var svgEditorExtension_connector = (function () {
                         showPanel(false);
                       }
                     }
+
                     updateConnectors();
                   },
                   elementChanged: function elementChanged(opts) {
                     var elem = opts.elems[0];
+
                     if (elem && elem.tagName === 'svg' && elem.id === 'svgcontent') {
                       // Update svgcontent (can change on import)
                       svgcontent = elem;
                       init();
-                    }
+                    } // Has marker, so change offset
+
 
-                    // Has marker, so change offset
                     if (elem && (elem.getAttribute('marker-start') || elem.getAttribute('marker-mid') || elem.getAttribute('marker-end'))) {
                       var start = elem.getAttribute('marker-start');
                       var mid = elem.getAttribute('marker-mid');
@@ -599,15 +602,12 @@ var svgEditorExtension_connector = (function () {
 
                       if (elem.tagName === 'line' && mid) {
                         // Convert to polyline to accept mid-arrow
-
                         var x1 = Number(elem.getAttribute('x1'));
                         var x2 = Number(elem.getAttribute('x2'));
                         var y1 = Number(elem.getAttribute('y1'));
                         var y2 = Number(elem.getAttribute('y2'));
                         var _elem = elem,
                             id = _elem.id;
-
-
                         var midPt = ' ' + (x1 + x2) / 2 + ',' + (y1 + y2) / 2 + ' ';
                         var pline = addElem({
                           element: 'polyline',
@@ -626,10 +626,12 @@ var svgEditorExtension_connector = (function () {
                         svgCanvas.addToSelection([pline]);
                         elem = pline;
                       }
-                    }
-                    // Update line if it's a connector
+                    } // Update line if it's a connector
+
+
                     if (elem.getAttribute('class') === connSel.substr(1)) {
                       var _start = getElem(elData(elem, 'c_start'));
+
                       updateConnectors([_start]);
                     } else {
                       updateConnectors();
@@ -641,16 +643,17 @@ var svgEditorExtension_connector = (function () {
                       if ('se:connector' in elem.attr) {
                         elem.attr['se:connector'] = elem.attr['se:connector'].split(' ').map(function (oldID) {
                           return input.changes[oldID];
-                        }).join(' ');
-
-                        // Check validity - the field would be something like 'svg_21 svg_22', but
+                        }).join(' '); // Check validity - the field would be something like 'svg_21 svg_22', but
                         // if one end is missing, it would be 'svg_21' and therefore fail this test
+
                         if (!/. ./.test(elem.attr['se:connector'])) {
                           remove.push(elem.attr.id);
                         }
                       }
                     });
-                    return { remove: remove };
+                    return {
+                      remove: remove
+                    };
                   },
                   toolButtonStateUpdate: function toolButtonStateUpdate(opts) {
                     if (opts.nostroke) {
@@ -658,23 +661,22 @@ var svgEditorExtension_connector = (function () {
                         svgEditor.clickSelect();
                       }
                     }
+
                     $('#mode_connect').toggleClass('disabled', opts.nostroke);
                   }
                 });
 
               case 20:
-              case 'end':
+              case "end":
                 return _context2.stop();
             }
           }
         }, _callee2, this);
       }));
 
-      function init(_x) {
-        return _ref.apply(this, arguments);
-      }
-
-      return init;
+      return function init(_x) {
+        return _init.apply(this, arguments);
+      };
     }()
   };
 
diff --git a/dist/extensions/ext-eyedropper.js b/dist/extensions/ext-eyedropper.js
index 0f9b50b9..d8a007e2 100644
--- a/dist/extensions/ext-eyedropper.js
+++ b/dist/extensions/ext-eyedropper.js
@@ -1,36 +1,44 @@
 var svgEditorExtension_eyedropper = (function () {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
-  };
+  }
 
   /* globals jQuery */
+
   /**
    * ext-eyedropper.js
    *
@@ -39,30 +47,33 @@ var svgEditorExtension_eyedropper = (function () {
    * @copyright 2010 Jeff Schiller
    *
    */
-
   var extEyedropper = {
     name: 'eyedropper',
     init: function () {
-      var _ref = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(S) {
+      var _init = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(S) {
         var strings, svgEditor, $, ChangeElementCommand, svgCanvas, addToHistory, currentStyle, getStyle, buttons;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
-                getStyle = function getStyle(opts) {
+                getStyle = function _ref(opts) {
                   // if we are in eyedropper mode, we don't want to disable the eye-dropper tool
                   var mode = svgCanvas.getMode();
+
                   if (mode === 'eyedropper') {
                     return;
                   }
 
-                  var tool = $('#tool_eyedropper');
-                  // enable-eye-dropper if one element is selected
+                  var tool = $('#tool_eyedropper'); // enable-eye-dropper if one element is selected
+
                   var elem = null;
+
                   if (!opts.multiselected && opts.elems[0] && !['svg', 'g', 'use'].includes(opts.elems[0].nodeName)) {
                     elem = opts.elems[0];
-                    tool.removeClass('disabled');
-                    // grab the current style
+                    tool.removeClass('disabled'); // grab the current style
+
                     currentStyle.fillPaint = elem.getAttribute('fill') || 'black';
                     currentStyle.fillOpacity = elem.getAttribute('fill-opacity') || 1.0;
                     currentStyle.strokePaint = elem.getAttribute('stroke');
@@ -71,8 +82,7 @@ var svgEditorExtension_eyedropper = (function () {
                     currentStyle.strokeDashArray = elem.getAttribute('stroke-dasharray');
                     currentStyle.strokeLinecap = elem.getAttribute('stroke-linecap');
                     currentStyle.strokeLinejoin = elem.getAttribute('stroke-linejoin');
-                    currentStyle.opacity = elem.getAttribute('opacity') || 1.0;
-                    // disable eye-dropper tool
+                    currentStyle.opacity = elem.getAttribute('opacity') || 1.0; // disable eye-dropper tool
                   } else {
                     tool.addClass('disabled');
                   }
@@ -88,9 +98,12 @@ var svgEditorExtension_eyedropper = (function () {
                 ChangeElementCommand = S.ChangeElementCommand, svgCanvas = svgEditor.canvas, addToHistory = function addToHistory(cmd) {
                   svgCanvas.undoMgr.addCommandToHistory(cmd);
                 }, currentStyle = {
-                  fillPaint: 'red', fillOpacity: 1.0,
-                  strokePaint: 'black', strokeOpacity: 1.0,
-                  strokeWidth: 5, strokeDashArray: null,
+                  fillPaint: 'red',
+                  fillOpacity: 1.0,
+                  strokePaint: 'black',
+                  strokeOpacity: 1.0,
+                  strokeWidth: 5,
+                  strokeDashArray: null,
                   opacity: 1.0,
                   strokeLinecap: 'butt',
                   strokeLinejoin: 'miter'
@@ -105,19 +118,18 @@ var svgEditorExtension_eyedropper = (function () {
                     }
                   }
                 }];
-                return _context.abrupt('return', {
+                return _context.abrupt("return", {
                   name: strings.name,
                   svgicons: svgEditor.curConfig.extIconsPath + 'eyedropper-icon.xml',
                   buttons: strings.buttons.map(function (button, i) {
                     return Object.assign(buttons[i], button);
                   }),
-
                   // if we have selected an element, grab its paint and enable the eye dropper button
                   selectedChanged: getStyle,
                   elementChanged: getStyle,
-
                   mouseDown: function mouseDown(opts) {
                     var mode = svgCanvas.getMode();
+
                     if (mode === 'eyedropper') {
                       var e = opts.event;
                       var target = e.target;
@@ -133,27 +145,35 @@ var svgEditorExtension_eyedropper = (function () {
                         if (currentStyle.fillPaint) {
                           change(target, 'fill', currentStyle.fillPaint);
                         }
+
                         if (currentStyle.fillOpacity) {
                           change(target, 'fill-opacity', currentStyle.fillOpacity);
                         }
+
                         if (currentStyle.strokePaint) {
                           change(target, 'stroke', currentStyle.strokePaint);
                         }
+
                         if (currentStyle.strokeOpacity) {
                           change(target, 'stroke-opacity', currentStyle.strokeOpacity);
                         }
+
                         if (currentStyle.strokeWidth) {
                           change(target, 'stroke-width', currentStyle.strokeWidth);
                         }
+
                         if (currentStyle.strokeDashArray) {
                           change(target, 'stroke-dasharray', currentStyle.strokeDashArray);
                         }
+
                         if (currentStyle.opacity) {
                           change(target, 'opacity', currentStyle.opacity);
                         }
+
                         if (currentStyle.strokeLinecap) {
                           change(target, 'stroke-linecap', currentStyle.strokeLinecap);
                         }
+
                         if (currentStyle.strokeLinejoin) {
                           change(target, 'stroke-linejoin', currentStyle.strokeLinejoin);
                         }
@@ -165,18 +185,16 @@ var svgEditorExtension_eyedropper = (function () {
                 });
 
               case 9:
-              case 'end':
+              case "end":
                 return _context.stop();
             }
           }
         }, _callee, this);
       }));
 
-      function init(_x) {
-        return _ref.apply(this, arguments);
-      }
-
-      return init;
+      return function init(_x) {
+        return _init.apply(this, arguments);
+      };
     }()
   };
 
diff --git a/dist/extensions/ext-foreignobject.js b/dist/extensions/ext-foreignobject.js
index 13544a0f..81db9f8c 100644
--- a/dist/extensions/ext-foreignobject.js
+++ b/dist/extensions/ext-foreignobject.js
@@ -1,36 +1,44 @@
 var svgEditorExtension_foreignobject = (function () {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
-  };
+  }
 
   /* globals jQuery */
+
   /**
    * ext-foreignobject.js
    *
@@ -39,30 +47,32 @@ var svgEditorExtension_foreignobject = (function () {
    * @copyright 2010 Jacques Distler, 2010 Alexis Deveria
    *
    */
-
   var extForeignobject = {
     name: 'foreignobject',
     init: function () {
-      var _ref = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(S) {
+      var _init = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(S) {
         var svgEditor, text2xml, NS, importLocale, $, svgCanvas, svgdoc, strings, properlySourceSizeTextArea, showPanel, toggleSourceButtons, selElems, started, newFO, editingforeign, setForeignString, showForeignEditor, setAttr, buttons, contextTools;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
-                setAttr = function setAttr(attr, val) {
+                setAttr = function _ref5(attr, val) {
                   svgCanvas.changeSelectedAttribute(attr, val);
                   svgCanvas.call('changed', selElems);
                 };
 
-                showForeignEditor = function showForeignEditor() {
+                showForeignEditor = function _ref4() {
                   var elt = selElems[0];
+
                   if (!elt || editingforeign) {
                     return;
                   }
+
                   editingforeign = true;
                   toggleSourceButtons(true);
                   elt.removeAttribute('fill');
-
                   var str = svgCanvas.svgToString(elt, 0);
                   $('#svg_source_textarea').val(str);
                   $('#svg_source_editor').fadeIn();
@@ -70,12 +80,13 @@ var svgEditorExtension_foreignobject = (function () {
                   $('#svg_source_textarea').focus();
                 };
 
-                setForeignString = function setForeignString(xmlString) {
+                setForeignString = function _ref3(xmlString) {
                   var elt = selElems[0];
+
                   try {
                     // convert string into XML document
-                    var newDoc = text2xml('<svg xmlns="' + NS.SVG + '" xmlns:xlink="' + NS.XLINK + '">' + xmlString + '</svg>');
-                    // run it through our sanitizer to remove anything we do not support
+                    var newDoc = text2xml('<svg xmlns="' + NS.SVG + '" xmlns:xlink="' + NS.XLINK + '">' + xmlString + '</svg>'); // run it through our sanitizer to remove anything we do not support
+
                     svgCanvas.sanitizeSvg(newDoc.documentElement);
                     elt.replaceWith(svgdoc.importNode(newDoc.documentElement.firstChild, true));
                     svgCanvas.call('changed', [elt]);
@@ -88,16 +99,18 @@ var svgEditorExtension_foreignobject = (function () {
                   return true;
                 };
 
-                toggleSourceButtons = function toggleSourceButtons(on) {
+                toggleSourceButtons = function _ref2(on) {
                   $('#tool_source_save, #tool_source_cancel').toggle(!on);
                   $('#foreign_save, #foreign_cancel').toggle(on);
                 };
 
-                showPanel = function showPanel(on) {
+                showPanel = function _ref(on) {
                   var fcRules = $('#fc_rules');
+
                   if (!fcRules.length) {
                     fcRules = $('<style id="fc_rules"></style>').appendTo('head');
                   }
+
                   fcRules.text(!on ? '' : ' #tool_topath { display: none !important; }');
                   $('#foreignObject_panel').toggle(on);
                 };
@@ -119,8 +132,7 @@ var svgEditorExtension_foreignobject = (function () {
                   $('#svg_source_textarea').css('height', height);
                 };
 
-                selElems = void 0, started = void 0, newFO = void 0, editingforeign = false;
-
+                editingforeign = false;
                 /**
                 * This function sets the content of element elt to the input XML.
                 * @param {string} xmlString - The XML text
@@ -179,7 +191,7 @@ var svgEditorExtension_foreignobject = (function () {
                     }
                   }
                 }];
-                return _context.abrupt('return', {
+                return _context.abrupt("return", {
                   name: strings.name,
                   svgicons: svgEditor.curConfig.extIconsPath + 'foreignobject-icons.xml',
                   buttons: strings.buttons.map(function (button, i) {
@@ -196,12 +208,14 @@ var svgEditorExtension_foreignobject = (function () {
                       editingforeign = false;
                       $('#svg_source_textarea').blur();
                       toggleSourceButtons(false);
-                    };
+                    }; // TODO: Needs to be done after orig icon loads
+
 
-                    // TODO: Needs to be done after orig icon loads
                     setTimeout(function () {
                       // Create source save/cancel buttons
-                      /* const save = */$('#tool_source_save').clone().hide().attr('id', 'foreign_save').unbind().appendTo('#tool_source_back').click(function () {
+
+                      /* const save = */
+                      $('#tool_source_save').clone().hide().attr('id', 'foreign_save').unbind().appendTo('#tool_source_back').click(function () {
                         if (!editingforeign) {
                           return;
                         }
@@ -211,22 +225,23 @@ var svgEditorExtension_foreignobject = (function () {
                             if (!ok) {
                               return false;
                             }
+
                             endChanges();
                           });
                         } else {
                           endChanges();
-                        }
-                        // setSelectMode();
-                      });
+                        } // setSelectMode();
 
-                      /* const cancel = */$('#tool_source_cancel').clone().hide().attr('id', 'foreign_cancel').unbind().appendTo('#tool_source_back').click(function () {
+                      });
+                      /* const cancel = */
+
+                      $('#tool_source_cancel').clone().hide().attr('id', 'foreign_cancel').unbind().appendTo('#tool_source_back').click(function () {
                         endChanges();
                       });
                     }, 3000);
                   },
                   mouseDown: function mouseDown(opts) {
                     // const e = opts.event;
-
                     if (svgCanvas.getMode() === 'foreign') {
                       started = true;
                       newFO = svgCanvas.addSVGElementFromJson({
@@ -235,7 +250,8 @@ var svgEditorExtension_foreignobject = (function () {
                           x: opts.start_x,
                           y: opts.start_y,
                           id: svgCanvas.getNextId(),
-                          'font-size': 16, // cur_text.font_size,
+                          'font-size': 16,
+                          // cur_text.font_size,
                           width: '48',
                           height: '20',
                           style: 'pointer-events:inherit'
@@ -246,11 +262,11 @@ var svgEditorExtension_foreignobject = (function () {
                       m.setAttribute('display', 'inline');
                       var mi = svgdoc.createElementNS(NS.MATH, 'mi');
                       mi.setAttribute('mathvariant', 'normal');
-                      mi.textContent = '\u03A6';
+                      mi.textContent = "\u03A6";
                       var mo = svgdoc.createElementNS(NS.MATH, 'mo');
-                      mo.textContent = '\u222A';
+                      mo.textContent = "\u222A";
                       var mi2 = svgdoc.createElementNS(NS.MATH, 'mi');
-                      mi2.textContent = '\u2133';
+                      mi2.textContent = "\u2133";
                       m.append(mi, mo, mi2);
                       newFO.append(m);
                       return {
@@ -264,7 +280,6 @@ var svgEditorExtension_foreignobject = (function () {
                       var attrs = $(newFO).attr(['width', 'height']);
                       var keep = attrs.width !== '0' || attrs.height !== '0';
                       svgCanvas.addToSelection([newFO], true);
-
                       return {
                         keep: keep,
                         element: newFO
@@ -274,10 +289,11 @@ var svgEditorExtension_foreignobject = (function () {
                   selectedChanged: function selectedChanged(opts) {
                     // Use this to update the current selected elements
                     selElems = opts.elems;
-
                     var i = selElems.length;
+
                     while (i--) {
                       var elem = selElems[i];
+
                       if (elem && elem.tagName === 'foreignObject') {
                         if (opts.selectedElement && !opts.multiselected) {
                           $('#foreign_font_size').val(elem.getAttribute('font-size'));
@@ -292,24 +308,20 @@ var svgEditorExtension_foreignobject = (function () {
                       }
                     }
                   },
-                  elementChanged: function elementChanged(opts) {
-                    // const elem = opts.elems[0];
-                  }
+                  elementChanged: function elementChanged(opts) {}
                 });
 
               case 18:
-              case 'end':
+              case "end":
                 return _context.stop();
             }
           }
         }, _callee, this);
       }));
 
-      function init(_x) {
-        return _ref.apply(this, arguments);
-      }
-
-      return init;
+      return function init(_x) {
+        return _init.apply(this, arguments);
+      };
     }()
   };
 
diff --git a/dist/extensions/ext-grid.js b/dist/extensions/ext-grid.js
index ee7ec5c2..9eb33479 100644
--- a/dist/extensions/ext-grid.js
+++ b/dist/extensions/ext-grid.js
@@ -1,36 +1,44 @@
 var svgEditorExtension_grid = (function () {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
-  };
+  }
 
   /* globals jQuery */
+
   /**
    * ext-grid.js
    *
@@ -39,71 +47,72 @@ var svgEditorExtension_grid = (function () {
    * @copyright 2010 Redou Mine, 2010 Alexis Deveria
    *
    */
-
   var extGrid = {
     name: 'grid',
     init: function () {
-      var _ref2 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(_ref) {
-        var NS = _ref.NS,
-            getTypeMap = _ref.getTypeMap,
-            importLocale = _ref.importLocale;
-        var strings, svgEditor, $, svgCanvas, svgdoc, assignAttributes, hcanvas, canvBG, units, intervals, showGrid, canvasGrid, gridPattern, gridimg, gridBox, updateGrid, gridUpdate, buttons;
+      var _init = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(_ref) {
+        var NS, getTypeMap, importLocale, strings, svgEditor, $, svgCanvas, svgdoc, assignAttributes, hcanvas, canvBG, units, intervals, showGrid, canvasGrid, gridPattern, gridimg, gridBox, updateGrid, gridUpdate, buttons;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
-                gridUpdate = function gridUpdate() {
+                gridUpdate = function _ref3() {
                   if (showGrid) {
                     updateGrid(svgCanvas.getZoom());
                   }
+
                   $('#canvasGrid').toggle(showGrid);
                   $('#view_grid').toggleClass('push_button_pressed tool_button');
                 };
 
-                updateGrid = function updateGrid(zoom) {
+                updateGrid = function _ref2(zoom) {
                   // TODO: Try this with <line> elements, then compare performance difference
                   var unit = units[svgEditor.curConfig.baseUnit]; // 1 = 1px
-                  var uMulti = unit * zoom;
-                  // Calculate the main number interval
+
+                  var uMulti = unit * zoom; // Calculate the main number interval
+
                   var rawM = 100 / uMulti;
                   var multi = 1;
+
                   for (var i = 0; i < intervals.length; i++) {
                     var num = intervals[i];
                     multi = num;
+
                     if (rawM <= num) {
                       break;
                     }
                   }
-                  var bigInt = multi * uMulti;
 
-                  // Set the canvas size to the width of the container
+                  var bigInt = multi * uMulti; // Set the canvas size to the width of the container
+
                   hcanvas.width = bigInt;
                   hcanvas.height = bigInt;
                   var ctx = hcanvas.getContext('2d');
                   var curD = 0.5;
                   var part = bigInt / 10;
-
                   ctx.globalAlpha = 0.2;
                   ctx.strokeStyle = svgEditor.curConfig.gridColor;
+
                   for (var _i = 1; _i < 10; _i++) {
-                    var subD = Math.round(part * _i) + 0.5;
-                    // const lineNum = (i % 2)?12:10;
+                    var subD = Math.round(part * _i) + 0.5; // const lineNum = (i % 2)?12:10;
+
                     var lineNum = 0;
                     ctx.moveTo(subD, bigInt);
                     ctx.lineTo(subD, lineNum);
                     ctx.moveTo(bigInt, subD);
                     ctx.lineTo(lineNum, subD);
                   }
+
                   ctx.stroke();
                   ctx.beginPath();
                   ctx.globalAlpha = 0.5;
                   ctx.moveTo(curD, bigInt);
                   ctx.lineTo(curD, 0);
-
                   ctx.moveTo(bigInt, curD);
                   ctx.lineTo(0, curD);
                   ctx.stroke();
-
                   var datauri = hcanvas.toDataURL('image/png');
                   gridimg.setAttribute('width', bigInt);
                   gridimg.setAttribute('height', bigInt);
@@ -112,22 +121,19 @@ var svgEditorExtension_grid = (function () {
                   svgCanvas.setHref(gridimg, datauri);
                 };
 
-                _context.next = 4;
+                NS = _ref.NS, getTypeMap = _ref.getTypeMap, importLocale = _ref.importLocale;
+                _context.next = 5;
                 return importLocale();
 
-              case 4:
+              case 5:
                 strings = _context.sent;
                 svgEditor = this;
                 $ = jQuery;
                 svgCanvas = svgEditor.canvas;
                 svgdoc = document.getElementById('svgcanvas').ownerDocument, assignAttributes = svgCanvas.assignAttributes, hcanvas = document.createElement('canvas'), canvBG = $('#canvasBackground'), units = getTypeMap(), intervals = [0.01, 0.1, 1, 10, 100, 1000];
                 showGrid = svgEditor.curConfig.showGrid || false;
-
-
                 $(hcanvas).hide().appendTo('body');
-
                 canvasGrid = svgdoc.createElementNS(NS.SVG, 'svg');
-
                 assignAttributes(canvasGrid, {
                   id: 'canvasGrid',
                   width: '100%',
@@ -137,22 +143,20 @@ var svgEditorExtension_grid = (function () {
                   overflow: 'visible',
                   display: 'none'
                 });
-                canvBG.append(canvasGrid);
+                canvBG.append(canvasGrid); // grid-pattern
 
-                // grid-pattern
                 gridPattern = svgdoc.createElementNS(NS.SVG, 'pattern');
-
                 assignAttributes(gridPattern, {
                   id: 'gridpattern',
                   patternUnits: 'userSpaceOnUse',
-                  x: 0, // -(value.strokeWidth / 2), // position for strokewidth
-                  y: 0, // -(value.strokeWidth / 2), // position for strokewidth
+                  x: 0,
+                  // -(value.strokeWidth / 2), // position for strokewidth
+                  y: 0,
+                  // -(value.strokeWidth / 2), // position for strokewidth
                   width: 100,
                   height: 100
                 });
-
                 gridimg = svgdoc.createElementNS(NS.SVG, 'image');
-
                 assignAttributes(gridimg, {
                   x: 0,
                   y: 0,
@@ -160,11 +164,9 @@ var svgEditorExtension_grid = (function () {
                   height: 100
                 });
                 gridPattern.append(gridimg);
-                $('#svgroot defs').append(gridPattern);
+                $('#svgroot defs').append(gridPattern); // grid-box
 
-                // grid-box
                 gridBox = svgdoc.createElementNS(NS.SVG, 'rect');
-
                 assignAttributes(gridBox, {
                   width: '100%',
                   height: '100%',
@@ -176,7 +178,6 @@ var svgEditorExtension_grid = (function () {
                   style: 'pointer-events: none; display:visible;'
                 });
                 $('#canvasGrid').append(gridBox);
-
                 buttons = [{
                   id: 'view_grid',
                   icon: svgEditor.curConfig.extIconsPath + 'grid.png',
@@ -189,10 +190,9 @@ var svgEditorExtension_grid = (function () {
                     }
                   }
                 }];
-                return _context.abrupt('return', {
+                return _context.abrupt("return", {
                   name: strings.name,
                   svgicons: svgEditor.curConfig.extIconsPath + 'grid-icon.xml',
-
                   zoomChanged: function zoomChanged(zoom) {
                     if (showGrid) {
                       updateGrid(zoom);
@@ -203,25 +203,22 @@ var svgEditorExtension_grid = (function () {
                       gridUpdate();
                     }
                   },
-
                   buttons: strings.buttons.map(function (button, i) {
                     return Object.assign(buttons[i], button);
                   })
                 });
 
-              case 25:
-              case 'end':
+              case 26:
+              case "end":
                 return _context.stop();
             }
           }
         }, _callee, this);
       }));
 
-      function init(_x) {
-        return _ref2.apply(this, arguments);
-      }
-
-      return init;
+      return function init(_x) {
+        return _init.apply(this, arguments);
+      };
     }()
   };
 
diff --git a/dist/extensions/ext-helloworld.js b/dist/extensions/ext-helloworld.js
index 66dca48e..9f3257dd 100644
--- a/dist/extensions/ext-helloworld.js
+++ b/dist/extensions/ext-helloworld.js
@@ -1,74 +1,82 @@
 var svgEditorExtension_helloworld = (function () {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
-
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
-        }
-
-        return step("next");
-      });
-    };
-  };
-
-  var slicedToArray = function () {
-    function sliceIterator(arr, i) {
-      var _arr = [];
-      var _n = true;
-      var _d = false;
-      var _e = undefined;
-
-      try {
-        for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
-          _arr.push(_s.value);
-
-          if (i && _arr.length === i) break;
-        }
-      } catch (err) {
-        _d = true;
-        _e = err;
-      } finally {
-        try {
-          if (!_n && _i["return"]) _i["return"]();
-        } finally {
-          if (_d) throw _e;
-        }
-      }
-
-      return _arr;
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
     }
 
-    return function (arr, i) {
-      if (Array.isArray(arr)) {
-        return arr;
-      } else if (Symbol.iterator in Object(arr)) {
-        return sliceIterator(arr, i);
-      } else {
-        throw new TypeError("Invalid attempt to destructure non-iterable instance");
-      }
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
+        }
+
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
+      });
     };
-  }();
+  }
+
+  function _slicedToArray(arr, i) {
+    return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();
+  }
+
+  function _arrayWithHoles(arr) {
+    if (Array.isArray(arr)) return arr;
+  }
+
+  function _iterableToArrayLimit(arr, i) {
+    var _arr = [];
+    var _n = true;
+    var _d = false;
+    var _e = undefined;
+
+    try {
+      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+        _arr.push(_s.value);
+
+        if (i && _arr.length === i) break;
+      }
+    } catch (err) {
+      _d = true;
+      _e = err;
+    } finally {
+      try {
+        if (!_n && _i["return"] != null) _i["return"]();
+      } finally {
+        if (_d) throw _e;
+      }
+    }
+
+    return _arr;
+  }
+
+  function _nonIterableRest() {
+    throw new TypeError("Invalid attempt to destructure non-iterable instance");
+  }
 
   /* globals jQuery */
+
   /**
    * ext-helloworld.js
    *
@@ -86,42 +94,39 @@ var svgEditorExtension_helloworld = (function () {
   var extHelloworld = {
     name: 'helloworld',
     init: function () {
-      var _ref2 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(_ref) {
-        var importLocale = _ref.importLocale;
-        var strings, svgEditor, $, svgCanvas;
+      var _init = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(_ref) {
+        var importLocale, strings, svgEditor, $, svgCanvas;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
-                _context.next = 2;
+                importLocale = _ref.importLocale;
+                _context.next = 3;
                 return importLocale();
 
-              case 2:
+              case 3:
                 strings = _context.sent;
                 svgEditor = this;
                 $ = jQuery;
                 svgCanvas = svgEditor.canvas;
-                return _context.abrupt('return', {
+                return _context.abrupt("return", {
                   name: strings.name,
                   // For more notes on how to make an icon file, see the source of
                   // the helloworld-icon.xml
                   svgicons: svgEditor.curConfig.extIconsPath + 'helloworld-icon.xml',
-
                   // Multiple buttons can be added in this array
                   buttons: [{
                     // Must match the icon ID in helloworld-icon.xml
                     id: 'hello_world',
-
                     // Fallback, e.g., for `file:///` access
                     icon: svgEditor.curConfig.extIconsPath + 'helloworld.png',
-
                     // This indicates that the button will be added to the "mode"
                     // button panel on the left side
                     type: 'mode',
-
                     // Tooltip text
                     title: strings.buttons[0].title,
-
                     // Events
                     events: {
                       click: function click() {
@@ -139,52 +144,46 @@ var svgEditorExtension_helloworld = (function () {
                     if (svgCanvas.getMode() === 'hello_world') {
                       // The returned object must include "started" with
                       // a value of true in order for mouseUp to be triggered
-                      return { started: true };
+                      return {
+                        started: true
+                      };
                     }
                   },
-
-
                   // This is triggered from anywhere, but "started" must have been set
                   // to true (see above). Note that "opts" is an object with event info
                   mouseUp: function mouseUp(opts) {
                     // Check the mode on mouseup
                     if (svgCanvas.getMode() === 'hello_world') {
-                      var zoom = svgCanvas.getZoom();
+                      var zoom = svgCanvas.getZoom(); // Get the actual coordinate by dividing by the zoom value
 
-                      // Get the actual coordinate by dividing by the zoom value
                       var x = opts.mouse_x / zoom;
-                      var y = opts.mouse_y / zoom;
+                      var y = opts.mouse_y / zoom; // We do our own formatting
 
-                      // We do our own formatting
                       var text = strings.text;
-
-                      [['x', x], ['y', y]].forEach(function (_ref3) {
-                        var _ref4 = slicedToArray(_ref3, 2),
-                            prop = _ref4[0],
-                            val = _ref4[1];
+                      [['x', x], ['y', y]].forEach(function (_ref2) {
+                        var _ref3 = _slicedToArray(_ref2, 2),
+                            prop = _ref3[0],
+                            val = _ref3[1];
 
                         text = text.replace('{' + prop + '}', val);
-                      });
+                      }); // Show the text using the custom alert function
 
-                      // Show the text using the custom alert function
                       $.alert(text);
                     }
                   }
                 });
 
-              case 7:
-              case 'end':
+              case 8:
+              case "end":
                 return _context.stop();
             }
           }
         }, _callee, this);
       }));
 
-      function init(_x) {
-        return _ref2.apply(this, arguments);
-      }
-
-      return init;
+      return function init(_x) {
+        return _init.apply(this, arguments);
+      };
     }()
   };
 
diff --git a/dist/extensions/ext-imagelib.js b/dist/extensions/ext-imagelib.js
index fbccecd3..7ce2c824 100644
--- a/dist/extensions/ext-imagelib.js
+++ b/dist/extensions/ext-imagelib.js
@@ -1,42 +1,58 @@
 var svgEditorExtension_imagelib = (function () {
   'use strict';
 
-  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
-    return typeof obj;
-  } : function (obj) {
-    return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
-  };
+  function _typeof(obj) {
+    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
+      _typeof = function (obj) {
+        return typeof obj;
+      };
+    } else {
+      _typeof = function (obj) {
+        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+      };
+    }
 
-  var asyncToGenerator = function (fn) {
+    return _typeof(obj);
+  }
+
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
+
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
     return function () {
-      var gen = fn.apply(this, arguments);
+      var self = this,
+          args = arguments;
       return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+        var gen = fn.apply(self, args);
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
-  };
+  }
 
   /* globals jQuery */
+
   /**
    * ext-imagelib.js
    *
@@ -48,33 +64,29 @@ var svgEditorExtension_imagelib = (function () {
   var extImagelib = {
     name: 'imagelib',
     init: function () {
-      var _ref2 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(_ref) {
-        var decode64 = _ref.decode64,
-            importLocale = _ref.importLocale,
-            dropXMLInternalSubset = _ref.dropXMLInternalSubset;
-        var imagelibStrings, modularVersion, svgEditor, $, uiStrings, svgCanvas, extIconsPath, allowedImageLibOrigins, closeBrowser, importImage, pending, mode, multiArr, transferStopped, preview, submit, toggleMulti, showBrowser, buttons;
+      var _init = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(_ref) {
+        var decode64, importLocale, dropXMLInternalSubset, imagelibStrings, modularVersion, svgEditor, $, uiStrings, svgCanvas, extIconsPath, allowedImageLibOrigins, closeBrowser, importImage, pending, mode, multiArr, transferStopped, preview, submit, toggleMulti, showBrowser, buttons;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
-                showBrowser = function showBrowser() {
+                showBrowser = function _ref9() {
                   var browser = $('#imgbrowse');
+
                   if (!browser.length) {
                     $('<div id=imgbrowse_holder><div id=imgbrowse class=toolbar_button>' + '</div></div>').insertAfter('#svg_docprops');
                     browser = $('#imgbrowse');
-
                     var allLibs = imagelibStrings.select_lib;
-
                     var libOpts = $('<ul id=imglib_opts>').appendTo(browser);
                     var frame = $('<iframe/>').prependTo(browser).hide().wrap('<div id=lib_framewrap>');
-
                     var header = $('<h1>').prependTo(browser).text(allLibs).css({
                       position: 'absolute',
                       top: 0,
                       left: 0,
                       width: '100%'
                     });
-
                     var cancel = $('<button>' + uiStrings.common.cancel + '</button>').appendTo(browser).on('click touchend', function () {
                       $('#imgbrowse_holder').hide();
                     }).css({
@@ -82,9 +94,11 @@ var svgEditorExtension_imagelib = (function () {
                       top: 5,
                       right: -10
                     });
-
-                    var leftBlock = $('<span>').css({ position: 'absolute', top: 5, left: 10 }).appendTo(browser);
-
+                    var leftBlock = $('<span>').css({
+                      position: 'absolute',
+                      top: 5,
+                      left: 10
+                    }).appendTo(browser);
                     var back = $('<button hidden>' + imagelibStrings.show_list + '</button>').appendTo(leftBlock).on('click touchend', function () {
                       frame.attr('src', 'about:blank').hide();
                       libOpts.show();
@@ -93,9 +107,11 @@ var svgEditorExtension_imagelib = (function () {
                     }).css({
                       'margin-right': 5
                     }).hide();
+                    /* const type = */
 
-                    /* const type = */$('<select><option value=s>' + imagelibStrings.import_single + '</option><option value=m>' + imagelibStrings.import_multi + '</option><option value=o>' + imagelibStrings.open + '</option></select>').appendTo(leftBlock).change(function () {
+                    $('<select><option value=s>' + imagelibStrings.import_single + '</option><option value=m>' + imagelibStrings.import_multi + '</option><option value=o>' + imagelibStrings.open + '</option></select>').appendTo(leftBlock).change(function () {
                       mode = $(this).val();
+
                       switch (mode) {
                         case 's':
                         case 'o':
@@ -110,29 +126,29 @@ var svgEditorExtension_imagelib = (function () {
                     }).css({
                       'margin-top': 10
                     });
-
                     cancel.prepend($.getSvgIcon('cancel', true));
                     back.prepend($.getSvgIcon('tool_imagelib', true));
-
-                    imagelibStrings.imgLibs.forEach(function (_ref6) {
-                      var name = _ref6.name,
-                          url = _ref6.url,
-                          description = _ref6.description;
-
+                    imagelibStrings.imgLibs.forEach(function (_ref5) {
+                      var name = _ref5.name,
+                          url = _ref5.url,
+                          description = _ref5.description;
                       $('<li>').appendTo(libOpts).text(name).on('click touchend', function () {
                         frame.attr('src', url).show();
                         header.text(name);
                         libOpts.hide();
                         back.show();
-                      }).append('<span>' + description + '</span>');
+                      }).append("<span>".concat(description, "</span>"));
                     });
                   } else {
                     $('#imgbrowse_holder').show();
                   }
                 };
 
-                toggleMulti = function toggleMulti(show) {
-                  $('#lib_framewrap, #imglib_opts').css({ right: show ? 200 : 10 });
+                toggleMulti = function _ref8(show) {
+                  $('#lib_framewrap, #imglib_opts').css({
+                    right: show ? 200 : 10
+                  });
+
                   if (!preview) {
                     preview = $('<div id=imglib_preview>').css({
                       position: 'absolute',
@@ -143,16 +159,17 @@ var svgEditorExtension_imagelib = (function () {
                       background: '#fff',
                       overflow: 'auto'
                     }).insertAfter('#lib_framewrap');
-
                     submit = $('<button disabled>Import selected</button>').appendTo('#imgbrowse').on('click touchend', function () {
                       $.each(multiArr, function (i) {
                         var type = this[0];
                         var data = this[1];
+
                         if (type === 'svg') {
                           svgCanvas.importSvgString(data);
                         } else {
                           importImage(data);
                         }
+
                         svgCanvas.moveSelectedElements(i * 20, i * 20, false);
                       });
                       preview.empty();
@@ -169,7 +186,7 @@ var svgEditorExtension_imagelib = (function () {
                   submit.toggle(show);
                 };
 
-                importImage = function importImage(url) {
+                importImage = function _ref7(url) {
                   var newImage = svgCanvas.addSVGElementFromJson({
                     element: 'image',
                     attr: {
@@ -186,32 +203,34 @@ var svgEditorExtension_imagelib = (function () {
                   svgCanvas.setImageURL(url);
                 };
 
-                closeBrowser = function closeBrowser() {
+                closeBrowser = function _ref6() {
                   $('#imgbrowse_holder').hide();
                 };
 
-                _context.next = 6;
+                decode64 = _ref.decode64, importLocale = _ref.importLocale, dropXMLInternalSubset = _ref.dropXMLInternalSubset;
+                _context.next = 7;
                 return importLocale();
 
-              case 6:
+              case 7:
                 imagelibStrings = _context.sent;
                 modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false;
                 svgEditor = this;
                 $ = jQuery;
                 uiStrings = svgEditor.uiStrings, svgCanvas = svgEditor.canvas, extIconsPath = svgEditor.curConfig.extIconsPath;
-
-
-                imagelibStrings.imgLibs = imagelibStrings.imgLibs.map(function (_ref3) {
-                  var name = _ref3.name,
-                      url = _ref3.url,
-                      description = _ref3.description;
-
+                imagelibStrings.imgLibs = imagelibStrings.imgLibs.map(function (_ref2) {
+                  var name = _ref2.name,
+                      url = _ref2.url,
+                      description = _ref2.description;
                   // Todo: Adopt some standard formatting library like `fluent.js` instead
                   url = url.replace(/\{path\}/g, extIconsPath).replace(/\{modularVersion\}/g, modularVersion ? imagelibStrings.moduleEnding || '-es' : '');
-                  return { name: name, url: url, description: description };
+                  return {
+                    name: name,
+                    url: url,
+                    description: description
+                  };
                 });
-                allowedImageLibOrigins = imagelibStrings.imgLibs.map(function (_ref4) {
-                  var url = _ref4.url;
+                allowedImageLibOrigins = imagelibStrings.imgLibs.map(function (_ref3) {
+                  var url = _ref3.url;
 
                   try {
                     return new URL(url).origin;
@@ -223,32 +242,34 @@ var svgEditorExtension_imagelib = (function () {
                 mode = 's';
                 multiArr = [];
                 transferStopped = false;
-                preview = void 0, submit = void 0;
-
                 // Receive `postMessage` data
+                window.addEventListener('message', function (_ref4) {
+                  var origin = _ref4.origin,
+                      response = _ref4.data;
 
-                window.addEventListener('message', function (_ref5) {
-                  var origin = _ref5.origin,
-                      response = _ref5.data;
-
-                  if (!response || !['string', 'object'].includes(typeof response === 'undefined' ? 'undefined' : _typeof(response))) {
+                  if (!response || !['string', 'object'].includes(_typeof(response))) {
                     // Do nothing
                     return;
                   }
-                  var id = void 0;
-                  var type = void 0;
+
+                  var id;
+                  var type;
+
                   try {
                     // Todo: This block can be removed (and the above check changed to
                     //   insist on an object) if embedAPI moves away from a string to
                     //   an object (if IE9 support not needed)
-                    response = (typeof response === 'undefined' ? 'undefined' : _typeof(response)) === 'object' ? response : JSON.parse(response);
+                    response = _typeof(response) === 'object' ? response : JSON.parse(response);
+
                     if (response.namespace !== 'imagelib') {
                       return;
                     }
+
                     if (!allowedImageLibOrigins.includes('*') && !allowedImageLibOrigins.includes(origin)) {
-                      console.log('Origin ' + origin + ' not whitelisted for posting to ' + window.origin);
+                      console.log("Origin ".concat(origin, " not whitelisted for posting to ").concat(window.origin));
                       return;
                     }
+
                     var hasName = 'name' in response;
                     var hasHref = 'href' in response;
 
@@ -260,9 +281,9 @@ var svgEditorExtension_imagelib = (function () {
                     if (hasHref) {
                       id = response.href;
                       response = response.data;
-                    }
+                    } // Hide possible transfer dialog box
+
 
-                    // Hide possible transfer dialog box
                     $('#dialog_box').hide();
                     type = hasName ? 'meta' : response.charAt(0);
                   } catch (e) {
@@ -285,28 +306,23 @@ var svgEditorExtension_imagelib = (function () {
                     }
                   }
 
-                  var entry = void 0,
-                      curMeta = void 0,
-                      svgStr = void 0,
-                      imgStr = void 0;
+                  var entry, curMeta, svgStr, imgStr;
+
                   switch (type) {
                     case 'meta':
                       {
                         // Metadata
                         transferStopped = false;
-                        curMeta = response;
+                        curMeta = response; // Should be safe to add dynamic property as passed metadata
 
-                        // Should be safe to add dynamic property as passed metadata
                         pending[curMeta.id] = curMeta; // lgtm [js/remote-property-injection]
 
                         var name = curMeta.name || 'file';
-
                         var message = uiStrings.notification.retrieving.replace('%s', name);
 
                         if (mode !== 'm') {
                           $.process_cancel(message, function () {
-                            transferStopped = true;
-                            // Should a message be sent back to the frame?
+                            transferStopped = true; // Should a message be sent back to the frame?
 
                             $('#dialog_box').hide();
                           });
@@ -318,9 +334,11 @@ var svgEditorExtension_imagelib = (function () {
 
                         return;
                       }
+
                     case '<':
                       svgStr = true;
                       break;
+
                     case 'd':
                       {
                         if (response.startsWith('data:image/svg+xml')) {
@@ -335,26 +353,26 @@ var svgEditorExtension_imagelib = (function () {
                         }
                       }
                     // Else fall through
+
                     default:
                       // TODO: See if there's a way to base64 encode the binary data stream
                       // const str = 'data:;base64,' + svgedit.utilities.encode64(response, true);
-
                       // Assume it's raw image data
                       // importImage(str);
-
                       // Don't give warning as postMessage may have been used by something else
                       if (mode !== 'm') {
                         closeBrowser();
                       } else {
                         pending[id].entry.remove();
-                      }
-                      // $.alert('Unexpected data was returned: ' + response, function() {
+                      } // $.alert('Unexpected data was returned: ' + response, function() {
                       //   if (mode !== 'm') {
                       //     closeBrowser();
                       //   } else {
                       //     pending[id].entry.remove();
                       //   }
                       // });
+
+
                       return;
                   }
 
@@ -366,13 +384,16 @@ var svgEditorExtension_imagelib = (function () {
                       } else if (imgStr) {
                         importImage(response);
                       }
+
                       closeBrowser();
                       break;
+
                     case 'm':
                       // Import multiple
                       multiArr.push([svgStr ? 'svg' : 'img', response]);
                       curMeta = pending[id];
-                      var title = void 0;
+                      var title;
+
                       if (svgStr) {
                         if (curMeta && curMeta.name) {
                           title = curMeta.name;
@@ -380,8 +401,10 @@ var svgEditorExtension_imagelib = (function () {
                           // Try to find a title
                           // `dropXMLInternalSubset` is to help prevent the billion laughs attack
                           var xml = new DOMParser().parseFromString(dropXMLInternalSubset(response), 'text/xml').documentElement; // lgtm [js/xml-bomb]
+
                           title = $(xml).children('title').first().text() || '(SVG #' + response.length + ')';
                         }
+
                         if (curMeta) {
                           preview.children().each(function () {
                             if ($(this).data('id') === id) {
@@ -390,6 +413,7 @@ var svgEditorExtension_imagelib = (function () {
                               } else {
                                 $(this).text(title);
                               }
+
                               submit.removeAttr('disabled');
                             }
                           });
@@ -401,6 +425,7 @@ var svgEditorExtension_imagelib = (function () {
                         if (curMeta && curMeta.preview_url) {
                           title = curMeta.name || '';
                         }
+
                         if (curMeta && curMeta.preview_url) {
                           entry = $('<span>').append($('<img>').attr('src', curMeta.preview_url), document.createTextNode(title));
                         } else {
@@ -419,35 +444,38 @@ var svgEditorExtension_imagelib = (function () {
                           submit.removeAttr('disabled');
                         }
                       }
+
                       break;
+
                     case 'o':
                       // Open
                       if (!svgStr) {
                         break;
                       }
+
                       svgEditor.openPrep(function (ok) {
                         if (!ok) {
                           return;
                         }
+
                         svgCanvas.clear();
-                        svgCanvas.setSvgString(response);
-                        // updateCanvas();
+                        svgCanvas.setSvgString(response); // updateCanvas();
                       });
                       closeBrowser();
                       break;
                   }
                 }, true);
-
                 buttons = [{
                   id: 'tool_imagelib',
-                  type: 'app_menu', // _flyout
+                  type: 'app_menu',
+                  // _flyout
                   icon: extIconsPath + 'imagelib.png',
                   position: 4,
                   events: {
                     mouseup: showBrowser
                   }
                 }];
-                return _context.abrupt('return', {
+                return _context.abrupt("return", {
                   svgicons: extIconsPath + 'ext-imagelib.xml',
                   buttons: imagelibStrings.buttons.map(function (button, i) {
                     return Object.assign(buttons[i], button);
@@ -458,18 +486,16 @@ var svgEditorExtension_imagelib = (function () {
                 });
 
               case 21:
-              case 'end':
+              case "end":
                 return _context.stop();
             }
           }
         }, _callee, this);
       }));
 
-      function init(_x) {
-        return _ref2.apply(this, arguments);
-      }
-
-      return init;
+      return function init(_x) {
+        return _init.apply(this, arguments);
+      };
     }()
   };
 
diff --git a/dist/extensions/ext-locale/arrows/en.js b/dist/extensions/ext-locale/arrows/en.js
index 6b7dae1c..909d76d9 100644
--- a/dist/extensions/ext-locale/arrows/en.js
+++ b/dist/extensions/ext-locale/arrows/en.js
@@ -3,7 +3,10 @@ var svgEditorExtensionLocale_arrows_en = (function () {
 
   var en = {
     name: 'Arrows',
-    langList: [{ id: 'arrow_none', textContent: 'No arrow' }],
+    langList: [{
+      id: 'arrow_none',
+      textContent: 'No arrow'
+    }],
     contextTools: [{
       title: 'Select arrow type',
       options: {
diff --git a/dist/extensions/ext-locale/arrows/fr.js b/dist/extensions/ext-locale/arrows/fr.js
index a524dd8e..d4e15f24 100644
--- a/dist/extensions/ext-locale/arrows/fr.js
+++ b/dist/extensions/ext-locale/arrows/fr.js
@@ -3,7 +3,10 @@ var svgEditorExtensionLocale_arrows_fr = (function () {
 
   var fr = {
     name: 'Arrows',
-    langList: [{ id: 'arrow_none', textContent: 'Sans flèche' }],
+    langList: [{
+      id: 'arrow_none',
+      textContent: 'Sans flèche'
+    }],
     contextTools: [{
       title: 'Select arrow type',
       options: {
diff --git a/dist/extensions/ext-locale/connector/en.js b/dist/extensions/ext-locale/connector/en.js
index 15602d4f..a2c09b7b 100644
--- a/dist/extensions/ext-locale/connector/en.js
+++ b/dist/extensions/ext-locale/connector/en.js
@@ -3,7 +3,10 @@ var svgEditorExtensionLocale_connector_en = (function () {
 
   var en = {
     name: 'Connector',
-    langList: [{ id: 'mode_connect', title: 'Connect two objects' }],
+    langList: [{
+      id: 'mode_connect',
+      title: 'Connect two objects'
+    }],
     buttons: [{
       title: 'Connect two objects'
     }]
diff --git a/dist/extensions/ext-locale/connector/fr.js b/dist/extensions/ext-locale/connector/fr.js
index ee67808c..8b480be5 100644
--- a/dist/extensions/ext-locale/connector/fr.js
+++ b/dist/extensions/ext-locale/connector/fr.js
@@ -3,7 +3,10 @@ var svgEditorExtensionLocale_connector_fr = (function () {
 
   var fr = {
     name: 'Connector',
-    langList: [{ id: 'mode_connect', title: 'Connecter deux objets' }],
+    langList: [{
+      id: 'mode_connect',
+      title: 'Connecter deux objets'
+    }],
     buttons: [{
       title: 'Connect two objects'
     }]
diff --git a/dist/extensions/ext-locale/imagelib/de.js b/dist/extensions/ext-locale/imagelib/de.js
index a57062cc..8833d81f 100644
--- a/dist/extensions/ext-locale/imagelib/de.js
+++ b/dist/extensions/ext-locale/imagelib/de.js
@@ -27,6 +27,7 @@ var svgEditorExtensionLocale_imagelib_de = (function () {
         description: 'Share and Use Images. Over 100,000 Public Domain SVG Images and Growing.'
       }
       */
+
     }]
   };
 
diff --git a/dist/extensions/ext-locale/imagelib/en.js b/dist/extensions/ext-locale/imagelib/en.js
index 6513d199..1a95bc1e 100644
--- a/dist/extensions/ext-locale/imagelib/en.js
+++ b/dist/extensions/ext-locale/imagelib/en.js
@@ -17,14 +17,14 @@ var svgEditorExtensionLocale_imagelib_en = (function () {
     }, {
       name: 'IAN Symbol Libraries',
       url: 'https://ian.umces.edu/symbols/catalog/svgedit/album_chooser.php?svgedit=3',
-      description: 'Free library of illustrations'
-      // The site is no longer using our API, and they have added an
+      description: 'Free library of illustrations' // The site is no longer using our API, and they have added an
       //   `X-Frame-Options` header which prevents our usage cross-origin:
       // Getting messages like this in console:
       //   Refused to display 'https://openclipart.org/detail/307176/sign-bike' in a frame
       //   because it set 'X-Frame-Options' to 'sameorigin'.
       // url: 'https://openclipart.org/svgedit',
       // However, they do have a custom API which we are using here:
+
       /*
       {
         name: 'Openclipart',
@@ -32,6 +32,7 @@ var svgEditorExtensionLocale_imagelib_en = (function () {
         description: 'Share and Use Images. Over 100,000 Public Domain SVG Images and Growing.'
       }
       */
+
     }]
   };
 
diff --git a/dist/extensions/ext-locale/imagelib/fr.js b/dist/extensions/ext-locale/imagelib/fr.js
index 6d7098e4..23da94ce 100644
--- a/dist/extensions/ext-locale/imagelib/fr.js
+++ b/dist/extensions/ext-locale/imagelib/fr.js
@@ -27,6 +27,7 @@ var svgEditorExtensionLocale_imagelib_fr = (function () {
         description: 'Share and Use Images. Over 100,000 Public Domain SVG Images and Growing.'
       }
       */
+
     }]
   };
 
diff --git a/dist/extensions/ext-locale/imagelib/pl.js b/dist/extensions/ext-locale/imagelib/pl.js
index e75873a4..459da03d 100644
--- a/dist/extensions/ext-locale/imagelib/pl.js
+++ b/dist/extensions/ext-locale/imagelib/pl.js
@@ -27,6 +27,7 @@ var svgEditorExtensionLocale_imagelib_pl = (function () {
         description: 'Share and Use Images. Over 100,000 Public Domain SVG Images and Growing.'
       }
       */
+
     }]
   };
 
diff --git a/dist/extensions/ext-locale/imagelib/pt-BR.js b/dist/extensions/ext-locale/imagelib/pt-BR.js
index 08a4d0e4..1706a458 100644
--- a/dist/extensions/ext-locale/imagelib/pt-BR.js
+++ b/dist/extensions/ext-locale/imagelib/pt-BR.js
@@ -27,6 +27,7 @@ var svgEditorExtensionLocale_imagelib_pt_BR = (function () {
         description: 'Share and Use Images. Over 100,000 Public Domain SVG Images and Growing.'
       }
       */
+
     }]
   };
 
diff --git a/dist/extensions/ext-locale/imagelib/ro.js b/dist/extensions/ext-locale/imagelib/ro.js
index 2c9de426..9cc1dd6f 100644
--- a/dist/extensions/ext-locale/imagelib/ro.js
+++ b/dist/extensions/ext-locale/imagelib/ro.js
@@ -27,6 +27,7 @@ var svgEditorExtensionLocale_imagelib_ro = (function () {
         description: 'Share and Use Images. Over 100,000 Public Domain SVG Images and Growing.'
       }
       */
+
     }]
   };
 
diff --git a/dist/extensions/ext-locale/imagelib/sk.js b/dist/extensions/ext-locale/imagelib/sk.js
index 25194b26..12a98917 100644
--- a/dist/extensions/ext-locale/imagelib/sk.js
+++ b/dist/extensions/ext-locale/imagelib/sk.js
@@ -27,6 +27,7 @@ var svgEditorExtensionLocale_imagelib_sk = (function () {
         description: 'Share and Use Images. Over 100,000 Public Domain SVG Images and Growing.'
       }
       */
+
     }]
   };
 
diff --git a/dist/extensions/ext-locale/imagelib/sl.js b/dist/extensions/ext-locale/imagelib/sl.js
index f40a41a8..ae563f5b 100644
--- a/dist/extensions/ext-locale/imagelib/sl.js
+++ b/dist/extensions/ext-locale/imagelib/sl.js
@@ -27,6 +27,7 @@ var svgEditorExtensionLocale_imagelib_sl = (function () {
         description: 'Share and Use Images. Over 100,000 Public Domain SVG Images and Growing.'
       }
       */
+
     }]
   };
 
diff --git a/dist/extensions/ext-locale/imagelib/zh-CN.js b/dist/extensions/ext-locale/imagelib/zh-CN.js
index 9c1b077a..6c6cedf5 100644
--- a/dist/extensions/ext-locale/imagelib/zh-CN.js
+++ b/dist/extensions/ext-locale/imagelib/zh-CN.js
@@ -27,6 +27,7 @@ var svgEditorExtensionLocale_imagelib_zh_CN = (function () {
         description: 'Share and Use Images. Over 100,000 Public Domain SVG Images and Growing.'
       }
       */
+
     }]
   };
 
diff --git a/dist/extensions/ext-locale/markers/en.js b/dist/extensions/ext-locale/markers/en.js
index bb976f1b..7012a622 100644
--- a/dist/extensions/ext-locale/markers/en.js
+++ b/dist/extensions/ext-locale/markers/en.js
@@ -3,7 +3,61 @@ var svgEditorExtensionLocale_markers_en = (function () {
 
   var en = {
     name: 'Markers',
-    langList: [{ id: 'nomarker', title: 'No Marker' }, { id: 'leftarrow', title: 'Left Arrow' }, { id: 'rightarrow', title: 'Right Arrow' }, { id: 'textmarker', title: 'Text Marker' }, { id: 'forwardslash', title: 'Forward Slash' }, { id: 'reverseslash', title: 'Reverse Slash' }, { id: 'verticalslash', title: 'Vertical Slash' }, { id: 'box', title: 'Box' }, { id: 'star', title: 'Star' }, { id: 'xmark', title: 'X' }, { id: 'triangle', title: 'Triangle' }, { id: 'mcircle', title: 'Circle' }, { id: 'leftarrow_o', title: 'Open Left Arrow' }, { id: 'rightarrow_o', title: 'Open Right Arrow' }, { id: 'box_o', title: 'Open Box' }, { id: 'star_o', title: 'Open Star' }, { id: 'triangle_o', title: 'Open Triangle' }, { id: 'mcircle_o', title: 'Open Circle' }],
+    langList: [{
+      id: 'nomarker',
+      title: 'No Marker'
+    }, {
+      id: 'leftarrow',
+      title: 'Left Arrow'
+    }, {
+      id: 'rightarrow',
+      title: 'Right Arrow'
+    }, {
+      id: 'textmarker',
+      title: 'Text Marker'
+    }, {
+      id: 'forwardslash',
+      title: 'Forward Slash'
+    }, {
+      id: 'reverseslash',
+      title: 'Reverse Slash'
+    }, {
+      id: 'verticalslash',
+      title: 'Vertical Slash'
+    }, {
+      id: 'box',
+      title: 'Box'
+    }, {
+      id: 'star',
+      title: 'Star'
+    }, {
+      id: 'xmark',
+      title: 'X'
+    }, {
+      id: 'triangle',
+      title: 'Triangle'
+    }, {
+      id: 'mcircle',
+      title: 'Circle'
+    }, {
+      id: 'leftarrow_o',
+      title: 'Open Left Arrow'
+    }, {
+      id: 'rightarrow_o',
+      title: 'Open Right Arrow'
+    }, {
+      id: 'box_o',
+      title: 'Open Box'
+    }, {
+      id: 'star_o',
+      title: 'Open Star'
+    }, {
+      id: 'triangle_o',
+      title: 'Open Triangle'
+    }, {
+      id: 'mcircle_o',
+      title: 'Open Circle'
+    }],
     contextTools: [{
       title: 'Start marker',
       label: 's'
diff --git a/dist/extensions/ext-markers.js b/dist/extensions/ext-markers.js
index d8b51025..e4651bd3 100644
--- a/dist/extensions/ext-markers.js
+++ b/dist/extensions/ext-markers.js
@@ -1,36 +1,44 @@
 var svgEditorExtension_markers = (function () {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
-  };
+  }
 
   /* globals jQuery */
+
   /**
    * ext-markers.js
    *
@@ -64,15 +72,17 @@ var svgEditorExtension_markers = (function () {
   var extMarkers = {
     name: 'markers',
     init: function () {
-      var _ref = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(S) {
+      var _init = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee2(S) {
         var strings, svgEditor, $, svgCanvas, addElem, mtypes, markerPrefix, idPrefix, markerTypes, getLinked, setIcon, selElems, showPanel, addMarker, convertline, setMarker, colorChanged, updateReferences, triggerTextEntry, showTextPrompt, setArrowFromButton, getTitle, buildButtonList, contextTools;
         return regeneratorRuntime.wrap(function _callee2$(_context2) {
           while (1) {
             switch (_context2.prev = _context2.next) {
               case 0:
-                buildButtonList = function buildButtonList(lang) {
-                  var buttons = [];
-                  // const i = 0;
+                buildButtonList = function _ref14(lang) {
+                  var buttons = []; // const i = 0;
+
                   /*
                   buttons.push({
                     id: idPrefix + 'markers_off',
@@ -96,6 +106,7 @@ var svgEditorExtension_markers = (function () {
                     panel: 'marker_panel'
                   });
                   */
+
                   $.each(mtypes, function (k, pos) {
                     var listname = pos + '_marker_list';
                     var def = true;
@@ -107,7 +118,9 @@ var svgEditorExtension_markers = (function () {
                         icon: svgEditor.curConfig.extIconsPath + 'markers-' + id + '.png',
                         title: title,
                         type: 'context',
-                        events: { click: setArrowFromButton },
+                        events: {
+                          click: setArrowFromButton
+                        },
                         panel: 'marker_panel',
                         list: listname,
                         isDefault: def
@@ -118,19 +131,19 @@ var svgEditorExtension_markers = (function () {
                   return buttons;
                 };
 
-                getTitle = function getTitle(id) {
+                getTitle = function _ref13(id) {
                   var langList = strings.langList;
-
                   var item = langList.find(function (item) {
                     return item.id === id;
                   });
                   return item ? item.title : id;
                 };
 
-                setArrowFromButton = function setArrowFromButton(obj) {
+                setArrowFromButton = function _ref12(obj) {
                   var parts = this.id.split('_');
                   var pos = parts[1];
                   var val = parts[2];
+
                   if (parts[3]) {
                     val += '_' + parts[3];
                   }
@@ -142,11 +155,13 @@ var svgEditorExtension_markers = (function () {
                   }
                 };
 
-                showTextPrompt = function showTextPrompt(pos) {
+                showTextPrompt = function _ref11(pos) {
                   var def = $('#' + pos + '_marker').val();
+
                   if (def.substr(0, 1) === '\\') {
                     def = '';
                   }
+
                   $.prompt('Enter text for ' + pos + ' marker', def, function (txt) {
                     if (txt) {
                       triggerTextEntry(pos, txt);
@@ -154,111 +169,132 @@ var svgEditorExtension_markers = (function () {
                   });
                 };
 
-                triggerTextEntry = function triggerTextEntry(pos, val) {
+                triggerTextEntry = function _ref10(pos, val) {
                   $('#' + pos + '_marker').val(val);
-                  $('#' + pos + '_marker').change();
-                  // const txtbox = $('#'+pos+'_marker');
+                  $('#' + pos + '_marker').change(); // const txtbox = $('#'+pos+'_marker');
                   // if (val.substr(0,1)=='\\') {txtbox.hide();}
                   // else {txtbox.show();}
                 };
 
-                updateReferences = function updateReferences(el) {
+                updateReferences = function _ref9(el) {
                   $.each(mtypes, function (i, pos) {
                     var id = markerPrefix + pos + '_' + el.id;
                     var markerName = 'marker-' + pos;
                     var marker = getLinked(el, markerName);
+
                     if (!marker || !marker.attributes.se_type) {
                       return;
                     } // not created by this extension
+
+
                     var url = el.getAttribute(markerName);
+
                     if (url) {
                       var len = el.id.length;
                       var linkid = url.substr(-len - 1, len);
+
                       if (el.id !== linkid) {
                         var val = $('#' + pos + '_marker').attr('value');
                         addMarker(id, val);
                         svgCanvas.changeSelectedAttribute(markerName, 'url(#' + id + ')');
+
                         if (el.tagName === 'line' && pos === 'mid') {
                           el = convertline(el);
                         }
+
                         svgCanvas.call('changed', selElems);
                       }
                     }
                   });
                 };
 
-                colorChanged = function colorChanged(elem) {
+                colorChanged = function _ref8(elem) {
                   var color = elem.getAttribute('stroke');
-
                   $.each(mtypes, function (i, pos) {
                     var marker = getLinked(elem, 'marker-' + pos);
+
                     if (!marker) {
                       return;
                     }
+
                     if (!marker.attributes.se_type) {
                       return;
                     } // not created by this extension
+
+
                     var ch = marker.lastElementChild;
+
                     if (!ch) {
                       return;
                     }
+
                     var curfill = ch.getAttribute('fill');
                     var curstroke = ch.getAttribute('stroke');
+
                     if (curfill && curfill !== 'none') {
                       ch.setAttribute('fill', color);
                     }
+
                     if (curstroke && curstroke !== 'none') {
                       ch.setAttribute('stroke', color);
                     }
                   });
                 };
 
-                setMarker = function setMarker() {
-                  var poslist = { start_marker: 'start', mid_marker: 'mid', end_marker: 'end' };
+                setMarker = function _ref7() {
+                  var poslist = {
+                    start_marker: 'start',
+                    mid_marker: 'mid',
+                    end_marker: 'end'
+                  };
                   var pos = poslist[this.id];
                   var markerName = 'marker-' + pos;
                   var el = selElems[0];
                   var marker = getLinked(el, markerName);
+
                   if (marker) {
                     $(marker).remove();
                   }
+
                   el.removeAttribute(markerName);
                   var val = this.value;
+
                   if (val === '') {
                     val = '\\nomarker';
                   }
+
                   if (val === '\\nomarker') {
                     setIcon(pos, val);
                     svgCanvas.call('changed', selElems);
                     return;
-                  }
-                  // Set marker on element
+                  } // Set marker on element
+
+
                   var id = markerPrefix + pos + '_' + el.id;
                   addMarker(id, val);
                   svgCanvas.changeSelectedAttribute(markerName, 'url(#' + id + ')');
+
                   if (el.tagName === 'line' && pos === 'mid') {
                     convertline(el);
                   }
+
                   svgCanvas.call('changed', selElems);
                   setIcon(pos, val);
                 };
 
-                convertline = function convertline(elem) {
+                convertline = function _ref6(elem) {
                   // this routine came from the connectors extension
                   // it is needed because midpoint markers don't work with line elements
                   if (!(elem.tagName === 'line')) {
                     return elem;
-                  }
+                  } // Convert to polyline to accept mid-arrow
 
-                  // Convert to polyline to accept mid-arrow
 
                   var x1 = Number(elem.getAttribute('x1'));
                   var x2 = Number(elem.getAttribute('x2'));
                   var y1 = Number(elem.getAttribute('y1'));
                   var y2 = Number(elem.getAttribute('y2'));
                   var id = elem.id;
-
-
                   var midPt = ' ' + (x1 + x2) / 2 + ',' + (y1 + y2) / 2 + ' ';
                   var pline = addElem({
                     element: 'polyline',
@@ -274,15 +310,14 @@ var svgEditorExtension_markers = (function () {
                     // get any existing marker definitions
                     var nam = 'marker-' + pos;
                     var m = elem.getAttribute(nam);
+
                     if (m) {
                       pline.setAttribute(nam, elem.getAttribute(nam));
                     }
                   });
-
                   var batchCmd = new S.BatchCommand();
                   batchCmd.addSubCommand(new S.RemoveElementCommand(elem, elem.parentNode));
                   batchCmd.addSubCommand(new S.InsertElementCommand(pline));
-
                   $(elem).after(pline).remove();
                   svgCanvas.clearSelection();
                   pline.id = id;
@@ -291,12 +326,12 @@ var svgEditorExtension_markers = (function () {
                   return pline;
                 };
 
-                addMarker = function addMarker(id, val) {
+                addMarker = function _ref5(id, val) {
                   var txtBoxBg = '#ffffff';
                   var txtBoxBorder = 'none';
                   var txtBoxStrokeWidth = 0;
-
                   var marker = svgCanvas.getElem(id);
+
                   if (marker) {
                     return;
                   }
@@ -306,17 +341,18 @@ var svgEditorExtension_markers = (function () {
                   }
 
                   var el = selElems[0];
-                  var color = el.getAttribute('stroke');
-                  // NOTE: Safari didn't like a negative value in viewBox
+                  var color = el.getAttribute('stroke'); // NOTE: Safari didn't like a negative value in viewBox
                   // so we use a standardized 0 0 100 100
                   // with 50 50 being mapped to the marker position
+
                   var strokeWidth = 10;
                   var refX = 50;
                   var refY = 50;
                   var viewBox = '0 0 100 100';
                   var markerWidth = 5;
                   var markerHeight = 5;
-                  var seType = void 0;
+                  var seType;
+
                   if (val.substr(0, 1) === '\\') {
                     seType = val.substr(1);
                   } else {
@@ -326,8 +362,9 @@ var svgEditorExtension_markers = (function () {
                   if (!markerTypes[seType]) {
                     return;
                   } // an unknown type!
-
                   // create a generic marker
+
+
                   marker = addElem({
                     element: 'marker',
                     attr: {
@@ -342,33 +379,32 @@ var svgEditorExtension_markers = (function () {
                   if (seType !== 'textmarker') {
                     var mel = addElem(markerTypes[seType]);
                     var fillcolor = seType.substr(-2) === '_o' ? 'none' : color;
-
                     mel.setAttribute('fill', fillcolor);
                     mel.setAttribute('stroke', color);
                     mel.setAttribute('stroke-width', strokeWidth);
                     marker.append(mel);
                   } else {
-                    var text = addElem(markerTypes[seType]);
-                    // have to add text to get bounding box
+                    var text = addElem(markerTypes[seType]); // have to add text to get bounding box
+
                     text.textContent = val;
-                    var tb = text.getBBox();
-                    // alert(tb.x + ' ' + tb.y + ' ' + tb.width + ' ' + tb.height);
+                    var tb = text.getBBox(); // alert(tb.x + ' ' + tb.y + ' ' + tb.width + ' ' + tb.height);
+
                     var pad = 1;
                     var bb = tb;
                     bb.x = 0;
                     bb.y = 0;
                     bb.width += pad * 2;
-                    bb.height += pad * 2;
-                    // shift text according to its size
+                    bb.height += pad * 2; // shift text according to its size
+
                     text.setAttribute('x', pad);
                     text.setAttribute('y', bb.height - pad - tb.height / 4); // kludge?
+
                     text.setAttribute('fill', color);
                     refX = bb.width / 2 + pad;
                     refY = bb.height / 2 + pad;
                     viewBox = bb.x + ' ' + bb.y + ' ' + bb.width + ' ' + bb.height;
                     markerWidth = bb.width / 10;
                     markerHeight = bb.height / 10;
-
                     var box = addElem({
                       element: 'rect',
                       attr: {
@@ -391,21 +427,19 @@ var svgEditorExtension_markers = (function () {
                   marker.setAttribute('refX', refX);
                   marker.setAttribute('refY', refY);
                   svgCanvas.findDefs().append(marker);
-
                   return marker;
                 };
 
-                showPanel = function showPanel(on) {
+                showPanel = function _ref4(on) {
                   $('#marker_panel').toggle(on);
 
                   if (on) {
                     var el = selElems[0];
-
-                    var val = void 0,
-                        ci = void 0;
+                    var val, ci;
                     $.each(mtypes, function (i, pos) {
                       var m = getLinked(el, 'marker-' + pos);
                       var txtbox = $('#' + pos + '_marker');
+
                       if (!m) {
                         val = '\\nomarker';
                         ci = val;
@@ -414,39 +448,47 @@ var svgEditorExtension_markers = (function () {
                         if (!m.attributes.se_type) {
                           return;
                         } // not created by this extension
+
+
                         val = '\\' + m.attributes.se_type.textContent;
                         ci = val;
+
                         if (val === '\\textmarker') {
-                          val = m.lastChild.textContent;
-                          // txtbox.show(); // show text box
+                          val = m.lastChild.textContent; // txtbox.show(); // show text box
                         } else {
                           txtbox.hide(); // hide text box
                         }
                       }
+
                       txtbox.val(val);
                       setIcon(pos, ci);
                     });
                   }
                 };
 
-                setIcon = function setIcon(pos, id) {
+                setIcon = function _ref3(pos, id) {
                   if (id.substr(0, 1) !== '\\') {
                     id = '\\textmarker';
                   }
+
                   var ci = '#' + idPrefix + pos + '_' + id.substr(1);
                   svgEditor.setIcon('#cur_' + pos + '_marker_list', $(ci).children());
                   $(ci).addClass('current').siblings().removeClass('current');
                 };
 
-                getLinked = function getLinked(elem, attr) {
+                getLinked = function _ref2(elem, attr) {
                   var str = elem.getAttribute(attr);
+
                   if (!str) {
                     return null;
                   }
+
                   var m = str.match(/\(#(.*)\)/);
+
                   if (!m || m.length !== 2) {
                     return null;
                   }
+
                   return svgCanvas.getElem(m[1]);
                 };
 
@@ -461,9 +503,7 @@ var svgEditorExtension_markers = (function () {
                 addElem = svgCanvas.addSVGElementFromJson;
                 mtypes = ['start', 'mid', 'end'];
                 markerPrefix = 'se_marker_';
-                idPrefix = 'mkr_';
-
-                // note - to add additional marker types add them below with a unique id
+                idPrefix = 'mkr_'; // note - to add additional marker types add them below with a unique id
                 // and add the associated icon(s) to marker-icons.svg
                 // the geometry is normalized to a 100x100 box with the origin at lower left
                 // Safari did not like negative values for low left of viewBox
@@ -471,153 +511,184 @@ var svgEditorExtension_markers = (function () {
 
                 markerTypes = {
                   nomarker: {},
-                  leftarrow: { element: 'path', attr: { d: 'M0,50 L100,90 L70,50 L100,10 Z' } },
-                  rightarrow: { element: 'path', attr: { d: 'M100,50 L0,90 L30,50 L0,10 Z' } },
-                  textmarker: { element: 'text', attr: { x: 0, y: 0, 'stroke-width': 0, stroke: 'none', 'font-size': 75, 'font-family': 'serif', 'text-anchor': 'left',
-                      'xml:space': 'preserve' } },
-                  forwardslash: { element: 'path', attr: { d: 'M30,100 L70,0' } },
-                  reverseslash: { element: 'path', attr: { d: 'M30,0 L70,100' } },
-                  verticalslash: { element: 'path', attr: { d: 'M50,0 L50,100' } },
-                  box: { element: 'path', attr: { d: 'M20,20 L20,80 L80,80 L80,20 Z' } },
-                  star: { element: 'path', attr: { d: 'M10,30 L90,30 L20,90 L50,10 L80,90 Z' } },
-                  xmark: { element: 'path', attr: { d: 'M20,80 L80,20 M80,80 L20,20' } },
-                  triangle: { element: 'path', attr: { d: 'M10,80 L50,20 L80,80 Z' } },
-                  mcircle: { element: 'circle', attr: { r: 30, cx: 50, cy: 50 } }
-                };
-
-                // duplicate shapes to support unfilled (open) marker types with an _o suffix
+                  leftarrow: {
+                    element: 'path',
+                    attr: {
+                      d: 'M0,50 L100,90 L70,50 L100,10 Z'
+                    }
+                  },
+                  rightarrow: {
+                    element: 'path',
+                    attr: {
+                      d: 'M100,50 L0,90 L30,50 L0,10 Z'
+                    }
+                  },
+                  textmarker: {
+                    element: 'text',
+                    attr: {
+                      x: 0,
+                      y: 0,
+                      'stroke-width': 0,
+                      stroke: 'none',
+                      'font-size': 75,
+                      'font-family': 'serif',
+                      'text-anchor': 'left',
+                      'xml:space': 'preserve'
+                    }
+                  },
+                  forwardslash: {
+                    element: 'path',
+                    attr: {
+                      d: 'M30,100 L70,0'
+                    }
+                  },
+                  reverseslash: {
+                    element: 'path',
+                    attr: {
+                      d: 'M30,0 L70,100'
+                    }
+                  },
+                  verticalslash: {
+                    element: 'path',
+                    attr: {
+                      d: 'M50,0 L50,100'
+                    }
+                  },
+                  box: {
+                    element: 'path',
+                    attr: {
+                      d: 'M20,20 L20,80 L80,80 L80,20 Z'
+                    }
+                  },
+                  star: {
+                    element: 'path',
+                    attr: {
+                      d: 'M10,30 L90,30 L20,90 L50,10 L80,90 Z'
+                    }
+                  },
+                  xmark: {
+                    element: 'path',
+                    attr: {
+                      d: 'M20,80 L80,20 M80,80 L20,20'
+                    }
+                  },
+                  triangle: {
+                    element: 'path',
+                    attr: {
+                      d: 'M10,80 L50,20 L80,80 Z'
+                    }
+                  },
+                  mcircle: {
+                    element: 'circle',
+                    attr: {
+                      r: 30,
+                      cx: 50,
+                      cy: 50
+                    }
+                  }
+                }; // duplicate shapes to support unfilled (open) marker types with an _o suffix
 
                 ['leftarrow', 'rightarrow', 'box', 'star', 'mcircle', 'triangle'].forEach(function (v) {
                   markerTypes[v + '_o'] = markerTypes[v];
                 });
-
                 /**
                 * @param {Element} elem - A graphic element will have an attribute like marker-start
                 * @param {"marker-start"|"marker-mid"|"marker-end"} attr
                 * @returns {Element} The marker element that is linked to the graphic element
                 */
-                selElems = void 0;
-                // toggles context tool panel off/on
-                // sets the controls with the selected element's settings
-
-
-                // called when the main system modifies an object
-                // this routine changes the associated markers to be the same color
-
-
-                // called when the main system creates or modifies an object
-                // primary purpose is create new markers for cloned objects
-
-
-                // simulate a change event a text box that stores the current element's marker type
-
-
-                /*
-                function setMarkerSet(obj) {
-                  const parts = this.id.split('_');
-                  const set = parts[2];
-                  switch (set) {
-                  case 'off':
-                    triggerTextEntry('start','\\nomarker');
-                    triggerTextEntry('mid','\\nomarker');
-                    triggerTextEntry('end','\\nomarker');
-                    break;
-                  case 'dimension':
-                    triggerTextEntry('start','\\leftarrow');
-                    triggerTextEntry('end','\\rightarrow');
-                    showTextPrompt('mid');
-                    break;
-                  case 'label':
-                    triggerTextEntry('mid','\\nomarker');
-                    triggerTextEntry('end','\\rightarrow');
-                    showTextPrompt('start');
-                    break;
-                  }
-                }
-                */
-                // callback function for a toolbar button click
-
-
-                // build the toolbar button array from the marker definitions
 
                 contextTools = [{
                   type: 'input',
                   panel: 'marker_panel',
                   id: 'start_marker',
                   size: 3,
-                  events: { change: setMarker }
+                  events: {
+                    change: setMarker
+                  }
                 }, {
                   type: 'button-select',
                   panel: 'marker_panel',
                   id: 'start_marker_list',
                   colnum: 3,
-                  events: { change: setArrowFromButton }
+                  events: {
+                    change: setArrowFromButton
+                  }
                 }, {
                   type: 'input',
                   panel: 'marker_panel',
                   id: 'mid_marker',
                   defval: '',
                   size: 3,
-                  events: { change: setMarker }
+                  events: {
+                    change: setMarker
+                  }
                 }, {
                   type: 'button-select',
                   panel: 'marker_panel',
                   id: 'mid_marker_list',
                   colnum: 3,
-                  events: { change: setArrowFromButton }
+                  events: {
+                    change: setArrowFromButton
+                  }
                 }, {
                   type: 'input',
                   panel: 'marker_panel',
                   id: 'end_marker',
                   size: 3,
-                  events: { change: setMarker }
+                  events: {
+                    change: setMarker
+                  }
                 }, {
                   type: 'button-select',
                   panel: 'marker_panel',
                   id: 'end_marker_list',
                   colnum: 3,
-                  events: { change: setArrowFromButton }
+                  events: {
+                    change: setArrowFromButton
+                  }
                 }];
-                return _context2.abrupt('return', {
+                return _context2.abrupt("return", {
                   name: strings.name,
                   svgicons: svgEditor.curConfig.extIconsPath + 'markers-icons.xml',
                   callback: function callback() {
                     $('#marker_panel').addClass('toolset').hide();
                   },
                   addLangData: function () {
-                    var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(_ref2) {
-                      var importLocale = _ref2.importLocale,
-                          lang = _ref2.lang;
+                    var _addLangData = _asyncToGenerator(
+                    /*#__PURE__*/
+                    regeneratorRuntime.mark(function _callee(_ref) {
+                      var importLocale, lang;
                       return regeneratorRuntime.wrap(function _callee$(_context) {
                         while (1) {
                           switch (_context.prev = _context.next) {
                             case 0:
-                              return _context.abrupt('return', { data: strings.langList });
+                              importLocale = _ref.importLocale, lang = _ref.lang;
+                              return _context.abrupt("return", {
+                                data: strings.langList
+                              });
 
-                            case 1:
-                            case 'end':
+                            case 2:
+                            case "end":
                               return _context.stop();
                           }
                         }
                       }, _callee, this);
                     }));
 
-                    function addLangData(_x2) {
-                      return _ref3.apply(this, arguments);
-                    }
-
-                    return addLangData;
+                    return function addLangData(_x2) {
+                      return _addLangData.apply(this, arguments);
+                    };
                   }(),
                   selectedChanged: function selectedChanged(opts) {
                     // Use this to update the current selected elements
                     // console.log('selectChanged',opts);
                     selElems = opts.elems;
-
                     var markerElems = ['line', 'path', 'polyline', 'polygon'];
-
                     var i = selElems.length;
+
                     while (i--) {
                       var elem = selElems[i];
+
                       if (elem && markerElems.includes(elem.tagName)) {
                         if (opts.selectedElement && !opts.multiselected) {
                           showPanel(true);
@@ -632,32 +703,30 @@ var svgEditorExtension_markers = (function () {
                   elementChanged: function elementChanged(opts) {
                     // console.log('elementChanged',opts);
                     var elem = opts.elems[0];
+
                     if (elem && (elem.getAttribute('marker-start') || elem.getAttribute('marker-mid') || elem.getAttribute('marker-end'))) {
                       colorChanged(elem);
                       updateReferences(elem);
-                    }
-                    // changing_flag = false; // Not apparently in use
-                  },
+                    } // changing_flag = false; // Not apparently in use
 
+                  },
                   buttons: buildButtonList(),
                   context_tools: strings.contextTools.map(function (contextTool, i) {
                     return Object.assign(contextTools[i], contextTool);
                   })
                 });
 
-              case 28:
-              case 'end':
+              case 27:
+              case "end":
                 return _context2.stop();
             }
           }
         }, _callee2, this);
       }));
 
-      function init(_x) {
-        return _ref.apply(this, arguments);
-      }
-
-      return init;
+      return function init(_x) {
+        return _init.apply(this, arguments);
+      };
     }()
   };
 
diff --git a/dist/extensions/ext-mathjax.js b/dist/extensions/ext-mathjax.js
index a10183dd..7c9d6171 100644
--- a/dist/extensions/ext-mathjax.js
+++ b/dist/extensions/ext-mathjax.js
@@ -1,60 +1,40 @@
 var svgEditorExtension_mathjax = (function () {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
-
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
-        }
-
-        return step("next");
-      });
-    };
-  };
-
-  var _extends = Object.assign || function (target) {
-    for (var i = 1; i < arguments.length; i++) {
-      var source = arguments[i];
-
-      for (var key in source) {
-        if (Object.prototype.hasOwnProperty.call(source, key)) {
-          target[key] = source[key];
-        }
-      }
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
     }
 
-    return target;
-  };
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
 
-  // MIT License
-  // From: https://github.com/uupaa/dynamic-import-polyfill/blob/master/importModule.js
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
 
-  /**
-   * @module importModule
-   */
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
+        }
 
-  function toAbsoluteURL(url) {
-    var a = document.createElement('a');
-    a.setAttribute('href', url); // <a href="hoge.html">
-    return a.cloneNode(false).href; // -> "http://example.com/hoge.html"
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
+      });
+    };
   }
 
   function addScriptAtts(script, atts) {
@@ -63,85 +43,8 @@ var svgEditorExtension_mathjax = (function () {
         script[prop] = atts[prop];
       }
     });
-  }
+  } // Additions by Brett
 
-  // Additions by Brett
-  /**
-  * @typedef {PlainObject} module:importModule.ImportConfig
-  * @property {string} global The variable name to set on `window` (when not using the modular version)
-  * @property {boolean} [returnDefault=false]
-  */
-  /**
-  * @function module:importModule.importSetGlobalDefault
-  * @param {string} url
-  * @param {module:importModule.ImportConfig} config
-  * @returns {*} The return depends on the export of the targeted module.
-  */
-  var importSetGlobalDefault = function () {
-    var _ref = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(url, config) {
-      return regeneratorRuntime.wrap(function _callee$(_context) {
-        while (1) {
-          switch (_context.prev = _context.next) {
-            case 0:
-              return _context.abrupt('return', importSetGlobal(url, _extends({}, config, { returnDefault: true })));
-
-            case 1:
-            case 'end':
-              return _context.stop();
-          }
-        }
-      }, _callee, this);
-    }));
-
-    return function importSetGlobalDefault(_x, _x2) {
-      return _ref.apply(this, arguments);
-    };
-  }();
-  /**
-  * @function module:importModule.importSetGlobal
-  * @param {string} url
-  * @param {module:importModule.ImportConfig} config
-  * @returns {ArbitraryModule|*} The return depends on the export of the targeted module.
-  */
-  var importSetGlobal = function () {
-    var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(url, _ref2) {
-      var global = _ref2.global,
-          returnDefault = _ref2.returnDefault;
-      var modularVersion;
-      return regeneratorRuntime.wrap(function _callee2$(_context2) {
-        while (1) {
-          switch (_context2.prev = _context2.next) {
-            case 0:
-              // Todo: Replace calls to this function with `import()` when supported
-              modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false;
-
-              if (!modularVersion) {
-                _context2.next = 3;
-                break;
-              }
-
-              return _context2.abrupt('return', importModule(url, undefined, { returnDefault: returnDefault }));
-
-            case 3:
-              _context2.next = 5;
-              return importScript(url);
-
-            case 5:
-              return _context2.abrupt('return', window[global]);
-
-            case 6:
-            case 'end':
-              return _context2.stop();
-          }
-        }
-      }, _callee2, this);
-    }));
-
-    return function importSetGlobal(_x3, _x4) {
-      return _ref3.apply(this, arguments);
-    };
-  }();
-  // Addition by Brett
   function importScript(url) {
     var atts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
 
@@ -150,91 +53,51 @@ var svgEditorExtension_mathjax = (function () {
         return importScript(u, atts);
       }));
     }
+
     return new Promise(function (resolve, reject) {
       var script = document.createElement('script');
+
       var destructor = function destructor() {
         script.onerror = null;
         script.onload = null;
         script.remove();
         script.src = '';
       };
+
       script.defer = 'defer';
       addScriptAtts(script, atts);
+
       script.onerror = function () {
-        reject(new Error('Failed to import: ' + url));
+        reject(new Error("Failed to import: ".concat(url)));
         destructor();
       };
+
       script.onload = function () {
         resolve();
         destructor();
       };
+
       script.src = url;
-
       document.head.append(script);
     });
   }
 
-  function importModule(url) {
-    var atts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
-
-    var _ref4 = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
-        _ref4$returnDefault = _ref4.returnDefault,
-        returnDefault = _ref4$returnDefault === undefined ? false : _ref4$returnDefault;
-
-    if (Array.isArray(url)) {
-      return Promise.all(url.map(function (u) {
-        return importModule(u, atts);
-      }));
-    }
-    return new Promise(function (resolve, reject) {
-      var vector = '$importModule$' + Math.random().toString(32).slice(2);
-      var script = document.createElement('script');
-      var destructor = function destructor() {
-        delete window[vector];
-        script.onerror = null;
-        script.onload = null;
-        script.remove();
-        URL.revokeObjectURL(script.src);
-        script.src = '';
-      };
-      addScriptAtts(script, atts);
-      script.defer = 'defer';
-      script.type = 'module';
-      script.onerror = function () {
-        reject(new Error('Failed to import: ' + url));
-        destructor();
-      };
-      script.onload = function () {
-        resolve(window[vector]);
-        destructor();
-      };
-      var absURL = toAbsoluteURL(url);
-      var loader = 'import * as m from \'' + absURL.replace(/'/g, "\\'") + '\'; window.' + vector + ' = ' + (returnDefault ? 'm.default || ' : '') + 'm;'; // export Module
-      var blob = new Blob([loader], { type: 'text/javascript' });
-      script.src = URL.createObjectURL(blob);
-
-      document.head.append(script);
-    });
-  }
-
-  /* globals jQuery, MathJax */
-
   var extMathjax = {
     name: 'mathjax',
     init: function () {
-      var _ref2 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(_ref) {
-        var importLocale = _ref.importLocale;
-        var strings, svgEditor, $, svgCanvas, mathjaxSrcSecure, uiStrings, math, locationX, locationY, mathjaxLoaded, saveMath, buttons;
+      var _init = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(_ref) {
+        var importLocale, strings, svgEditor, $, svgCanvas, mathjaxSrcSecure, uiStrings, math, locationX, locationY, mathjaxLoaded, saveMath, buttons;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
-                saveMath = function saveMath() {
-                  var code = $('#mathjax_code_textarea').val();
-                  // displaystyle to force MathJax NOT to use the inline style. Because it is
+                saveMath = function _ref2() {
+                  var code = $('#mathjax_code_textarea').val(); // displaystyle to force MathJax NOT to use the inline style. Because it is
                   // less fancy!
-                  MathJax.Hub.queue.Push(['Text', math, '\\displaystyle{' + code + '}']);
 
+                  MathJax.Hub.queue.Push(['Text', math, '\\displaystyle{' + code + '}']);
                   /*
                    * The MathJax library doesn't want to bloat your webpage so it creates
                    * every symbol (glymph) you need only once. These are saved in a `<svg>` on
@@ -247,6 +110,7 @@ var svgEditorExtension_mathjax = (function () {
                    * to your formula's `<svg>` and copy the lot. So we have to replace each
                    * `<use>` tag by its `<path>`.
                    */
+
                   MathJax.Hub.queue.Push(function () {
                     var mathjaxMath = $('.MathJax_SVG');
                     var svg = $(mathjaxMath.html());
@@ -254,10 +118,12 @@ var svgEditorExtension_mathjax = (function () {
                       // TODO: find a less pragmatic and more elegant solution to this.
                       var id = $(this).attr('href') ? $(this).attr('href').slice(1) // Works in Chrome.
                       : $(this).attr('xlink:href').slice(1); // Works in Firefox.
+
                       var glymph = $('#' + id).clone().removeAttr('id');
                       var x = $(this).attr('x');
                       var y = $(this).attr('y');
                       var transform = $(this).attr('transform');
+
                       if (transform && (x || y)) {
                         glymph.attr('transform', transform + ' translate(' + x + ',' + y + ')');
                       } else if (transform) {
@@ -265,30 +131,29 @@ var svgEditorExtension_mathjax = (function () {
                       } else if (x || y) {
                         glymph.attr('transform', 'translate(' + x + ',' + y + ')');
                       }
+
                       $(this).replaceWith(glymph);
-                    });
-                    // Remove the style tag because it interferes with SVG-Edit.
+                    }); // Remove the style tag because it interferes with SVG-Edit.
+
                     svg.removeAttr('style');
                     svg.attr('xmlns', 'http://www.w3.org/2000/svg');
                     svgCanvas.importSvgString($('<div>').append(svg.clone()).html(), true);
-                    svgCanvas.ungroupSelectedElement();
-                    // TODO: To undo the adding of the Formula you now have to undo twice.
+                    svgCanvas.ungroupSelectedElement(); // TODO: To undo the adding of the Formula you now have to undo twice.
                     // This should only be once!
+
                     svgCanvas.moveSelectedElements(locationX, locationY, true);
                   });
                 };
 
-                _context.next = 3;
+                importLocale = _ref.importLocale;
+                _context.next = 4;
                 return importLocale();
 
-              case 3:
+              case 4:
                 strings = _context.sent;
                 svgEditor = this;
                 $ = jQuery;
-                svgCanvas = svgEditor.canvas;
-
-                // Configuration of the MathJax extention.
-
+                svgCanvas = svgEditor.canvas; // Configuration of the MathJax extention.
                 // This will be added to the head tag before MathJax is loaded.
 
                 /* mathjaxConfiguration = `<script type="text/x-mathjax-config">
@@ -317,9 +182,7 @@ var svgEditorExtension_mathjax = (function () {
                 // Had been on https://c328740.ssl.cf1.rackcdn.com/mathjax/latest/MathJax.js?config=TeX-AMS-MML_SVG.js
                 // Obtained Text-AMS-MML_SVG.js from https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.3/config/TeX-AMS-MML_SVG.js
                 mathjaxSrcSecure = 'mathjax/MathJax.min.js?config=TeX-AMS-MML_SVG.js', uiStrings = svgEditor.uiStrings;
-                math = void 0, locationX = void 0, locationY = void 0, mathjaxLoaded = false;
-
-                // TODO: Implement language support. Move these uiStrings to the locale files and the code to the langReady callback.
+                mathjaxLoaded = false; // TODO: Implement language support. Move these uiStrings to the locale files and the code to the langReady callback.
 
                 $.extend(uiStrings, {
                   mathjax: {
@@ -330,7 +193,6 @@ var svgEditorExtension_mathjax = (function () {
                     title: 'Mathematics code editor'
                   }
                 });
-
                 buttons = [{
                   id: 'tool_mathjax',
                   type: 'mode',
@@ -340,32 +202,27 @@ var svgEditorExtension_mathjax = (function () {
                       // Only load Mathjax when needed, we don't want to strain Svg-Edit any more.
                       // From this point on it is very probable that it will be needed, so load it.
                       if (mathjaxLoaded === false) {
-                        $('<div id="mathjax">' + '<!-- Here is where MathJax creates the math -->' + '<div id="mathjax_creator" class="tex2jax_process" style="display:none">' + '$${}$$' + '</div>' + '<div id="mathjax_overlay"></div>' + '<div id="mathjax_container">' + '<div id="tool_mathjax_back" class="toolbar_button">' + '<button id="tool_mathjax_save">OK</button>' + '<button id="tool_mathjax_cancel">Cancel</button>' + '</div>' + '<fieldset>' + '<legend id="mathjax_legend">Mathematics Editor</legend>' + '<label>' + '<span id="mathjax_explication">Please type your mathematics in ' + '<a href="https://en.wikipedia.org/wiki/Help:Displaying_a_formula" target="_blank">TeX</a> code.</span></label>' + '<textarea id="mathjax_code_textarea" spellcheck="false"></textarea>' + '</fieldset>' + '</div>' + '</div>').insertAfter('#svg_prefs').hide();
+                        $('<div id="mathjax">' + '<!-- Here is where MathJax creates the math -->' + '<div id="mathjax_creator" class="tex2jax_process" style="display:none">' + '$${}$$' + '</div>' + '<div id="mathjax_overlay"></div>' + '<div id="mathjax_container">' + '<div id="tool_mathjax_back" class="toolbar_button">' + '<button id="tool_mathjax_save">OK</button>' + '<button id="tool_mathjax_cancel">Cancel</button>' + '</div>' + '<fieldset>' + '<legend id="mathjax_legend">Mathematics Editor</legend>' + '<label>' + '<span id="mathjax_explication">Please type your mathematics in ' + '<a href="https://en.wikipedia.org/wiki/Help:Displaying_a_formula" target="_blank">TeX</a> code.</span></label>' + '<textarea id="mathjax_code_textarea" spellcheck="false"></textarea>' + '</fieldset>' + '</div>' + '</div>').insertAfter('#svg_prefs').hide(); // Make the MathEditor draggable.
 
-                        // Make the MathEditor draggable.
                         $('#mathjax_container').draggable({
                           cancel: 'button,fieldset',
                           containment: 'window'
-                        });
+                        }); // Add functionality and picture to cancel button.
 
-                        // Add functionality and picture to cancel button.
                         $('#tool_mathjax_cancel').prepend($.getSvgIcon('cancel', true)).on('click touched', function () {
                           $('#mathjax').hide();
-                        });
+                        }); // Add functionality and picture to the save button.
 
-                        // Add functionality and picture to the save button.
                         $('#tool_mathjax_save').prepend($.getSvgIcon('ok', true)).on('click touched', function () {
                           saveMath();
                           $('#mathjax').hide();
-                        });
+                        }); // MathJax preprocessing has to ignore most of the page.
 
-                        // MathJax preprocessing has to ignore most of the page.
-                        $('body').addClass('tex2jax_ignore');
-
-                        // Now get (and run) the MathJax Library.
+                        $('body').addClass('tex2jax_ignore'); // Now get (and run) the MathJax Library.
                         // Todo: insert script with modules once widely supported
                         //   and if MathJax (and its `TeX-AMS-MML_SVG.js` dependency) ends up
                         //   providing an ES6 module export: https://github.com/mathjax/MathJax/issues/1998
+
                         /*
                         const modularVersion = !('svgEditor' in window) ||
                           !window.svgEditor ||
@@ -381,6 +238,7 @@ var svgEditorExtension_mathjax = (function () {
                           svgEditor.curConfig.extIconsPath + mathjaxSrcSecure
                         );
                         */
+
                         importScript(svgEditor.curConfig.extIconsPath + mathjaxSrcSecure).then(function () {
                           // When MathJax is loaded get the div where the math will be rendered.
                           MathJax.Hub.queue.Push(function () {
@@ -393,57 +251,56 @@ var svgEditorExtension_mathjax = (function () {
                           console.log('Failed loadeing MathJax.');
                           $.alert('Failed loading MathJax. You will not be able to change the mathematics.');
                         });
-                      }
-                      // Set the mode.
+                      } // Set the mode.
+
+
                       svgCanvas.setMode('mathjax');
                     }
                   }
                 }];
-                return _context.abrupt('return', {
+                return _context.abrupt("return", {
                   name: strings.name,
                   svgicons: svgEditor.curConfig.extIconsPath + 'mathjax-icons.xml',
                   buttons: strings.buttons.map(function (button, i) {
                     return Object.assign(buttons[i], button);
                   }),
-
                   mouseDown: function mouseDown() {
                     if (svgCanvas.getMode() === 'mathjax') {
-                      return { started: true };
+                      return {
+                        started: true
+                      };
                     }
                   },
                   mouseUp: function mouseUp(opts) {
                     if (svgCanvas.getMode() === 'mathjax') {
                       // Get the coordinates from your mouse.
-                      var zoom = svgCanvas.getZoom();
-                      // Get the actual coordinate by dividing by the zoom value
+                      var zoom = svgCanvas.getZoom(); // Get the actual coordinate by dividing by the zoom value
+
                       locationX = opts.mouse_x / zoom;
                       locationY = opts.mouse_y / zoom;
-
                       $('#mathjax').show();
-                      return { started: false }; // Otherwise the last selected object dissapears.
+                      return {
+                        started: false
+                      }; // Otherwise the last selected object dissapears.
                     }
                   },
                   callback: function callback() {
-                    $('<style>').text('#mathjax fieldset{' + 'padding: 5px;' + 'margin: 5px;' + 'border: 1px solid #DDD;' + '}' + '#mathjax label{' + 'display: block;' + 'margin: .5em;' + '}' + '#mathjax legend {' + 'max-width:195px;' + '}' + '#mathjax_overlay {' + 'position: absolute;' + 'top: 0;' + 'left: 0;' + 'right: 0;' + 'bottom: 0;' + 'background-color: black;' + 'opacity: 0.6;' + 'z-index: 20000;' + '}' + '#mathjax_container {' + 'position: absolute;' + 'top: 50px;' + 'padding: 10px;' + 'background-color: #B0B0B0;' + 'border: 1px outset #777;' + 'opacity: 1.0;' + 'font-family: Verdana, Helvetica, sans-serif;' + 'font-size: .8em;' + 'z-index: 20001;' + '}' + '#tool_mathjax_back {' + 'margin-left: 1em;' + 'overflow: auto;' + '}' + '#mathjax_legend{' + 'font-weight: bold;' + 'font-size:1.1em;' + '}' + '#mathjax_code_textarea {\\n' + 'margin: 5px .7em;' + 'overflow: hidden;' + 'width: 416px;' + 'display: block;' + 'height: 100px;' + '}').appendTo('head');
-
-                    // Add the MathJax configuration.
+                    $('<style>').text('#mathjax fieldset{' + 'padding: 5px;' + 'margin: 5px;' + 'border: 1px solid #DDD;' + '}' + '#mathjax label{' + 'display: block;' + 'margin: .5em;' + '}' + '#mathjax legend {' + 'max-width:195px;' + '}' + '#mathjax_overlay {' + 'position: absolute;' + 'top: 0;' + 'left: 0;' + 'right: 0;' + 'bottom: 0;' + 'background-color: black;' + 'opacity: 0.6;' + 'z-index: 20000;' + '}' + '#mathjax_container {' + 'position: absolute;' + 'top: 50px;' + 'padding: 10px;' + 'background-color: #B0B0B0;' + 'border: 1px outset #777;' + 'opacity: 1.0;' + 'font-family: Verdana, Helvetica, sans-serif;' + 'font-size: .8em;' + 'z-index: 20001;' + '}' + '#tool_mathjax_back {' + 'margin-left: 1em;' + 'overflow: auto;' + '}' + '#mathjax_legend{' + 'font-weight: bold;' + 'font-size:1.1em;' + '}' + '#mathjax_code_textarea {\\n' + 'margin: 5px .7em;' + 'overflow: hidden;' + 'width: 416px;' + 'display: block;' + 'height: 100px;' + '}').appendTo('head'); // Add the MathJax configuration.
                     // $(mathjaxConfiguration).appendTo('head');
                   }
                 });
 
-              case 12:
-              case 'end':
+              case 13:
+              case "end":
                 return _context.stop();
             }
           }
         }, _callee, this);
       }));
 
-      function init(_x) {
-        return _ref2.apply(this, arguments);
-      }
-
-      return init;
+      return function init(_x) {
+        return _init.apply(this, arguments);
+      };
     }()
   };
 
diff --git a/dist/extensions/ext-overview_window.js b/dist/extensions/ext-overview_window.js
index 8ba2e38a..7b82e5a3 100644
--- a/dist/extensions/ext-overview_window.js
+++ b/dist/extensions/ext-overview_window.js
@@ -2,6 +2,7 @@ var svgEditorExtension_overview_window = (function () {
   'use strict';
 
   /* globals jQuery */
+
   /**
    * ext-overview_window.js
    *
@@ -15,24 +16,23 @@ var svgEditorExtension_overview_window = (function () {
     init: function init(_ref) {
       var isChrome = _ref.isChrome,
           isIE = _ref.isIE;
-
       var $ = jQuery;
-      var overviewWindowGlobals = {};
-      // Disabled in Chrome 48-, see https://github.com/SVG-Edit/svgedit/issues/26 and
+      var overviewWindowGlobals = {}; // Disabled in Chrome 48-, see https://github.com/SVG-Edit/svgedit/issues/26 and
       // https://code.google.com/p/chromium/issues/detail?id=565120.
+
       if (isChrome()) {
         var verIndex = navigator.userAgent.indexOf('Chrome/') + 7;
         var chromeVersion = parseInt(navigator.userAgent.substring(verIndex), 10);
+
         if (chromeVersion < 49) {
           return;
         }
-      }
+      } // Define and insert the base html element.
+
 
-      // Define and insert the base html element.
       var propsWindowHtml = '<div id="overview_window_content_pane" style="width:100%; word-wrap:break-word;  display:inline-block; margin-top:20px;">' + '<div id="overview_window_content" style="position:relative; left:12px; top:0px;">' + '<div style="background-color:#A0A0A0; display:inline-block; overflow:visible;">' + '<svg id="overviewMiniView" width="150" height="100" x="0" y="0" viewBox="0 0 4800 3600" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">' + '<use x="0" y="0" xlink:href="#svgroot"> </use>' + '</svg>' + '<div id="overview_window_view_box" style="min-width:50px; min-height:50px; position:absolute; top:30px; left:30px; z-index:5; background-color:rgba(255,0,102,0.3);">' + '</div>' + '</div>' + '</div>' + '</div>';
-      $('#sidepanels').append(propsWindowHtml);
+      $('#sidepanels').append(propsWindowHtml); // Define dynamic animation of the view box.
 
-      // Define dynamic animation of the view box.
       var updateViewBox = function updateViewBox() {
         var portHeight = parseFloat($('#workarea').css('height'));
         var portWidth = parseFloat($('#workarea').css('width'));
@@ -42,32 +42,30 @@ var svgEditorExtension_overview_window = (function () {
         var windowHeight = parseFloat($('#svgcanvas').css('height'));
         var overviewWidth = $('#overviewMiniView').attr('width');
         var overviewHeight = $('#overviewMiniView').attr('height');
-
         var viewBoxX = portX / windowWidth * overviewWidth;
         var viewBoxY = portY / windowHeight * overviewHeight;
         var viewBoxWidth = portWidth / windowWidth * overviewWidth;
         var viewBoxHeight = portHeight / windowHeight * overviewHeight;
-
         $('#overview_window_view_box').css('min-width', viewBoxWidth + 'px');
         $('#overview_window_view_box').css('min-height', viewBoxHeight + 'px');
         $('#overview_window_view_box').css('top', viewBoxY + 'px');
         $('#overview_window_view_box').css('left', viewBoxX + 'px');
       };
+
       $('#workarea').scroll(function () {
         if (!overviewWindowGlobals.viewBoxDragging) {
           updateViewBox();
         }
       });
       $('#workarea').resize(updateViewBox);
-      updateViewBox();
+      updateViewBox(); // Compensate for changes in zoom and canvas size.
 
-      // Compensate for changes in zoom and canvas size.
       var updateViewDimensions = function updateViewDimensions() {
         var viewWidth = $('#svgroot').attr('width');
         var viewHeight = $('#svgroot').attr('height');
-
         var viewX = 640;
         var viewY = 480;
+
         if (isIE()) {
           // This has only been tested with Firefox 10 and IE 9 (without chrome frame).
           // I am not sure if if is Firefox or IE that is being non compliant here.
@@ -85,10 +83,11 @@ var svgEditorExtension_overview_window = (function () {
         $('#overviewMiniView').attr('height', svgHeightNew);
         updateViewBox();
       };
-      updateViewDimensions();
 
-      // Set up the overview window as a controller for the view port.
+      updateViewDimensions(); // Set up the overview window as a controller for the view port.
+
       overviewWindowGlobals.viewBoxDragging = false;
+
       var updateViewPortFromViewBox = function updateViewPortFromViewBox() {
         var windowWidth = parseFloat($('#svgcanvas').css('width'));
         var windowHeight = parseFloat($('#svgcanvas').css('height'));
@@ -96,13 +95,12 @@ var svgEditorExtension_overview_window = (function () {
         var overviewHeight = $('#overviewMiniView').attr('height');
         var viewBoxX = parseFloat($('#overview_window_view_box').css('left'));
         var viewBoxY = parseFloat($('#overview_window_view_box').css('top'));
-
         var portX = viewBoxX / overviewWidth * windowWidth;
         var portY = viewBoxY / overviewHeight * windowHeight;
-
         $('#workarea').scrollLeft(portX);
         $('#workarea').scrollTop(portY);
       };
+
       $('#overview_window_view_box').draggable({
         containment: 'parent',
         drag: updateViewPortFromViewBox,
@@ -121,19 +119,21 @@ var svgEditorExtension_overview_window = (function () {
         var overviewHeight = $('#overviewMiniView').attr('height');
         var viewBoxWidth = parseFloat($('#overview_window_view_box').css('min-width'));
         var viewBoxHeight = parseFloat($('#overview_window_view_box').css('min-height'));
-
         var viewBoxX = mouseX - 0.5 * viewBoxWidth;
-        var viewBoxY = mouseY - 0.5 * viewBoxHeight;
-        // deal with constraints
+        var viewBoxY = mouseY - 0.5 * viewBoxHeight; // deal with constraints
+
         if (viewBoxX < 0) {
           viewBoxX = 0;
         }
+
         if (viewBoxY < 0) {
           viewBoxY = 0;
         }
+
         if (viewBoxX + viewBoxWidth > overviewWidth) {
           viewBoxX = overviewWidth - viewBoxWidth;
         }
+
         if (viewBoxY + viewBoxHeight > overviewHeight) {
           viewBoxY = overviewHeight - viewBoxHeight;
         }
@@ -142,7 +142,6 @@ var svgEditorExtension_overview_window = (function () {
         $('#overview_window_view_box').css('left', viewBoxX + 'px');
         updateViewPortFromViewBox();
       });
-
       return {
         name: 'overview window',
         canvasUpdated: updateViewDimensions,
diff --git a/dist/extensions/ext-panning.js b/dist/extensions/ext-panning.js
index c9165647..ad9839f3 100644
--- a/dist/extensions/ext-panning.js
+++ b/dist/extensions/ext-panning.js
@@ -1,34 +1,41 @@
 var svgEditorExtension_panning = (function () {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
-  };
+  }
 
   /**
    * ext-panning.js
@@ -38,23 +45,26 @@ var svgEditorExtension_panning = (function () {
    * @copyright 2013 Luis Aguirre
    *
    */
+
   /*
     This is a very basic SVG-Edit extension to let tablet/mobile devices pan without problem
   */
   var extPanning = {
     name: 'panning',
     init: function () {
-      var _ref2 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(_ref) {
-        var importLocale = _ref.importLocale;
-        var strings, svgEditor, svgCanvas, buttons;
+      var _init = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(_ref) {
+        var importLocale, strings, svgEditor, svgCanvas, buttons;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
-                _context.next = 2;
+                importLocale = _ref.importLocale;
+                _context.next = 3;
                 return importLocale();
 
-              case 2:
+              case 3:
                 strings = _context.sent;
                 svgEditor = this;
                 svgCanvas = svgEditor.canvas;
@@ -68,7 +78,7 @@ var svgEditorExtension_panning = (function () {
                     }
                   }
                 }];
-                return _context.abrupt('return', {
+                return _context.abrupt("return", {
                   name: strings.name,
                   svgicons: svgEditor.curConfig.extIconsPath + 'ext-panning.xml',
                   buttons: strings.buttons.map(function (button, i) {
@@ -77,7 +87,9 @@ var svgEditorExtension_panning = (function () {
                   mouseDown: function mouseDown() {
                     if (svgCanvas.getMode() === 'ext-panning') {
                       svgEditor.setPanning(true);
-                      return { started: true };
+                      return {
+                        started: true
+                      };
                     }
                   },
                   mouseUp: function mouseUp() {
@@ -91,19 +103,17 @@ var svgEditorExtension_panning = (function () {
                   }
                 });
 
-              case 7:
-              case 'end':
+              case 8:
+              case "end":
                 return _context.stop();
             }
           }
         }, _callee, this);
       }));
 
-      function init(_x) {
-        return _ref2.apply(this, arguments);
-      }
-
-      return init;
+      return function init(_x) {
+        return _init.apply(this, arguments);
+      };
     }()
   };
 
diff --git a/dist/extensions/ext-php_savefile.js b/dist/extensions/ext-php_savefile.js
index 452a8323..79ca2aef 100644
--- a/dist/extensions/ext-php_savefile.js
+++ b/dist/extensions/ext-php_savefile.js
@@ -4,24 +4,27 @@ var svgEditorExtension_php_savefile = (function () {
   /* globals jQuery */
   // TODO: Might add support for "exportImage" custom
   //   handler as in "ext-server_opensave.js" (and in savefile.php)
-
   var extPhp_savefile = {
     name: 'php_savefile',
     init: function init() {
       var svgEditor = this;
       var $ = jQuery;
       var svgCanvas = svgEditor.canvas;
+
       function getFileNameFromTitle() {
         var title = svgCanvas.getDocumentTitle();
         return title.trim();
       }
+
       var saveSvgAction = svgEditor.curConfig.extPath + 'savefile.php';
       svgEditor.setCustomHandlers({
         save: function save(win, data) {
           var svg = '<?xml version="1.0" encoding="UTF-8"?>\n' + data,
               filename = getFileNameFromTitle();
-
-          $.post(saveSvgAction, { output_svg: svg, filename: filename });
+          $.post(saveSvgAction, {
+            output_svg: svg,
+            filename: filename
+          });
         }
       });
     }
diff --git a/dist/extensions/ext-polygon.js b/dist/extensions/ext-polygon.js
index 23efeffa..5af8923e 100644
--- a/dist/extensions/ext-polygon.js
+++ b/dist/extensions/ext-polygon.js
@@ -1,36 +1,44 @@
 var svgEditorExtension_polygon = (function () {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
-  };
+  }
 
   /* globals jQuery */
+
   /**
    * ext-polygon.js
    *
@@ -41,30 +49,34 @@ var svgEditorExtension_polygon = (function () {
   var extPolygon = {
     name: 'polygon',
     init: function () {
-      var _ref = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(S) {
+      var _init = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(S) {
         var svgEditor, $, svgCanvas, importLocale, editingitex, strings, selElems, started, newFO, showPanel, setAttr, cot, sec, buttons, contextTools;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
-                sec = function sec(n) {
+                sec = function _ref4(n) {
                   return 1 / Math.cos(n);
                 };
 
-                cot = function cot(n) {
+                cot = function _ref3(n) {
                   return 1 / Math.tan(n);
                 };
 
-                setAttr = function setAttr(attr, val) {
+                setAttr = function _ref2(attr, val) {
                   svgCanvas.changeSelectedAttribute(attr, val);
                   svgCanvas.call('changed', selElems);
                 };
 
-                showPanel = function showPanel(on) {
+                showPanel = function _ref(on) {
                   var fcRules = $('#fc_rules');
+
                   if (!fcRules.length) {
                     fcRules = $('<style id="fc_rules"></style>').appendTo('head');
                   }
+
                   fcRules.text(!on ? '' : ' #tool_topath { display: none !important; }');
                   $('#polygon_panel').toggle(on);
                 };
@@ -78,30 +90,6 @@ var svgEditorExtension_polygon = (function () {
 
               case 10:
                 strings = _context.sent;
-                selElems = void 0, started = void 0, newFO = void 0;
-
-                // const ccZoom;
-                // const wEl, hEl;
-                // const wOffset, hOffset;
-                // const ccRBG;
-                // const ccOpacity;
-                // const brushW, brushH;
-
-                // const ccDebug = document.getElementById('debugpanel');
-
-                /* const properlySourceSizeTextArea = function(){
-                 // TODO: remove magic numbers here and get values from CSS
-                 const height = $('#svg_source_container').height() - 80;
-                 $('#svg_source_textarea').css('height', height);
-                 }; */
-
-
-                /*
-                function toggleSourceButtons(on){
-                  $('#tool_source_save, #tool_source_cancel').toggle(!on);
-                  $('#polygon_save, #polygon_cancel').toggle(on);
-                }
-                */
 
                 /**
                 * Obtained from http://code.google.com/p/passenger-top/source/browse/instiki/public/svg-edit/editor/extensions/ext-itex.js?r=3
@@ -110,6 +98,7 @@ var svgEditorExtension_polygon = (function () {
                 * @param {string} tex The itex text.
                 * @returns {boolean} This function returns false if the set was unsuccessful, true otherwise.
                 */
+
                 /*
                 function setItexString(tex) {
                   const mathns = 'http://www.w3.org/1998/Math/MathML',
@@ -170,7 +159,7 @@ var svgEditorExtension_polygon = (function () {
                     }
                   }
                 }];
-                return _context.abrupt('return', {
+                return _context.abrupt("return", {
                   name: strings.name,
                   svgicons: svgEditor.curConfig.extIconsPath + 'polygon-icons.svg',
                   buttons: strings.buttons.map(function (button, i) {
@@ -179,36 +168,36 @@ var svgEditorExtension_polygon = (function () {
                   context_tools: strings.contextTools.map(function (contextTool, i) {
                     return Object.assign(contextTools[i], contextTool);
                   }),
-
                   callback: function callback() {
                     $('#polygon_panel').hide();
 
-                    // TODO: Needs to be done after orig icon loads
+
                     setTimeout(function () {
                       // Create source save/cancel buttons
-                      /* const save = */$('#tool_source_save').clone().hide().attr('id', 'polygon_save').unbind().appendTo('#tool_source_back').click(function () {
+
+                      /* const save = */
+                      $('#tool_source_save').clone().hide().attr('id', 'polygon_save').unbind().appendTo('#tool_source_back').click(function () {
                         if (!editingitex) {
                           return;
-                        }
-                        // }
+                        } // Todo: Uncomment the setItexString() function above and handle ajaxEndpoint?
                         // setSelectMode();
                       });
+                      /* const cancel = */
 
-                      /* const cancel = */$('#tool_source_cancel').clone().hide().attr('id', 'polygon_cancel').unbind().appendTo('#tool_source_back').click(function () {
+                      $('#tool_source_cancel').clone().hide().attr('id', 'polygon_cancel').unbind().appendTo('#tool_source_back').click(function () {
                       });
                     }, 3000);
                   },
                   mouseDown: function mouseDown(opts) {
                     // const e = opts.event;
-                    var rgb = svgCanvas.getColor('fill');
-                    // const ccRgbEl = rgb.substring(1, rgb.length);
-                    var sRgb = svgCanvas.getColor('stroke');
-                    // ccSRgbEl = sRgb.substring(1, rgb.length);
+                    var rgb = svgCanvas.getColor('fill'); // const ccRgbEl = rgb.substring(1, rgb.length);
+
+                    var sRgb = svgCanvas.getColor('stroke'); // ccSRgbEl = sRgb.substring(1, rgb.length);
+
                     var sWidth = svgCanvas.getStrokeWidth();
 
                     if (svgCanvas.getMode() === 'polygon') {
                       started = true;
-
                       newFO = svgCanvas.addSVGElementFromJson({
                         element: 'polygon',
                         attr: {
@@ -224,7 +213,6 @@ var svgEditorExtension_polygon = (function () {
                           strokeWidth: sWidth
                         }
                       });
-
                       return {
                         started: true
                       };
@@ -234,6 +222,7 @@ var svgEditorExtension_polygon = (function () {
                     if (!started) {
                       return;
                     }
+
                     if (svgCanvas.getMode() === 'polygon') {
                       // const e = opts.event;
                       var c = $(newFO).attr(['cx', 'cy', 'sides', 'orient', 'fill', 'strokecolor', 'strokeWidth']);
@@ -246,29 +235,27 @@ var svgEditorExtension_polygon = (function () {
                           strokeWidth = c.strokeWidth,
                           sides = c.sides,
                           edg = Math.sqrt((x - cx) * (x - cx) + (y - cy) * (y - cy)) / 1.5;
-
                       newFO.setAttributeNS(null, 'edge', edg);
-
                       var inradius = edg / 2 * cot(Math.PI / sides);
                       var circumradius = inradius * sec(Math.PI / sides);
                       var points = '';
+
                       for (var s = 0; sides >= s; s++) {
                         var angle = 2.0 * Math.PI * s / sides;
                         x = circumradius * Math.cos(angle) + cx;
                         y = circumradius * Math.sin(angle) + cy;
-
                         points += x + ',' + y + ' ';
-                      }
+                      } // const poly = newFO.createElementNS(NS.SVG, 'polygon');
+
 
-                      // const poly = newFO.createElementNS(NS.SVG, 'polygon');
                       newFO.setAttributeNS(null, 'points', points);
                       newFO.setAttributeNS(null, 'fill', fill);
                       newFO.setAttributeNS(null, 'stroke', strokecolor);
-                      newFO.setAttributeNS(null, 'stroke-width', strokeWidth);
-                      // newFO.setAttributeNS(null, 'transform', 'rotate(-90)');
+                      newFO.setAttributeNS(null, 'stroke-width', strokeWidth); // newFO.setAttributeNS(null, 'transform', 'rotate(-90)');
                       // const shape = newFO.getAttributeNS(null, 'shape');
                       // newFO.append(poly);
                       // DrawPoly(cx, cy, sides, edg, orient);
+
                       return {
                         started: true
                       };
@@ -277,8 +264,8 @@ var svgEditorExtension_polygon = (function () {
                   mouseUp: function mouseUp(opts) {
                     if (svgCanvas.getMode() === 'polygon') {
                       var attrs = $(newFO).attr('edge');
-                      var keep = attrs.edge !== '0';
-                      // svgCanvas.addToSelection([newFO], true);
+                      var keep = attrs.edge !== '0'; // svgCanvas.addToSelection([newFO], true);
+
                       return {
                         keep: keep,
                         element: newFO
@@ -288,14 +275,14 @@ var svgEditorExtension_polygon = (function () {
                   selectedChanged: function selectedChanged(opts) {
                     // Use this to update the current selected elements
                     selElems = opts.elems;
-
                     var i = selElems.length;
+
                     while (i--) {
                       var elem = selElems[i];
+
                       if (elem && elem.getAttributeNS(null, 'shape') === 'regularPoly') {
                         if (opts.selectedElement && !opts.multiselected) {
                           $('#polySides').val(elem.getAttribute('sides'));
-
                           showPanel(true);
                         } else {
                           showPanel(false);
@@ -305,24 +292,20 @@ var svgEditorExtension_polygon = (function () {
                       }
                     }
                   },
-                  elementChanged: function elementChanged(opts) {
-                    // const elem = opts.elems[0];
-                  }
+                  elementChanged: function elementChanged(opts) {}
                 });
 
-              case 15:
-              case 'end':
+              case 14:
+              case "end":
                 return _context.stop();
             }
           }
         }, _callee, this);
       }));
 
-      function init(_x) {
-        return _ref.apply(this, arguments);
-      }
-
-      return init;
+      return function init(_x) {
+        return _init.apply(this, arguments);
+      };
     }()
   };
 
diff --git a/dist/extensions/ext-server_moinsave.js b/dist/extensions/ext-server_moinsave.js
index a8c0dba1..ee210b11 100644
--- a/dist/extensions/ext-server_moinsave.js
+++ b/dist/extensions/ext-server_moinsave.js
@@ -1,155 +1,228 @@
 var svgEditorExtension_server_moinsave = (function () {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
-  };
+  }
 
-  var classCallCheck = function (instance, Constructor) {
+  function _classCallCheck(instance, Constructor) {
     if (!(instance instanceof Constructor)) {
       throw new TypeError("Cannot call a class as a function");
     }
-  };
+  }
 
-  var createClass = function () {
-    function defineProperties(target, props) {
-      for (var i = 0; i < props.length; i++) {
-        var descriptor = props[i];
-        descriptor.enumerable = descriptor.enumerable || false;
-        descriptor.configurable = true;
-        if ("value" in descriptor) descriptor.writable = true;
-        Object.defineProperty(target, descriptor.key, descriptor);
-      }
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
     }
+  }
 
-    return function (Constructor, protoProps, staticProps) {
-      if (protoProps) defineProperties(Constructor.prototype, protoProps);
-      if (staticProps) defineProperties(Constructor, staticProps);
-      return Constructor;
-    };
-  }();
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    return Constructor;
+  }
 
-  var get = function get(object, property, receiver) {
-    if (object === null) object = Function.prototype;
-    var desc = Object.getOwnPropertyDescriptor(object, property);
-
-    if (desc === undefined) {
-      var parent = Object.getPrototypeOf(object);
-
-      if (parent === null) {
-        return undefined;
-      } else {
-        return get(parent, property, receiver);
-      }
-    } else if ("value" in desc) {
-      return desc.value;
-    } else {
-      var getter = desc.get;
-
-      if (getter === undefined) {
-        return undefined;
-      }
-
-      return getter.call(receiver);
-    }
-  };
-
-  var inherits = function (subClass, superClass) {
+  function _inherits(subClass, superClass) {
     if (typeof superClass !== "function" && superClass !== null) {
-      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
+      throw new TypeError("Super expression must either be null or a function");
     }
 
     subClass.prototype = Object.create(superClass && superClass.prototype, {
       constructor: {
         value: subClass,
-        enumerable: false,
         writable: true,
         configurable: true
       }
     });
-    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
-  };
+    if (superClass) _setPrototypeOf(subClass, superClass);
+  }
 
-  var possibleConstructorReturn = function (self, call) {
-    if (!self) {
+  function _getPrototypeOf(o) {
+    _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
+      return o.__proto__ || Object.getPrototypeOf(o);
+    };
+    return _getPrototypeOf(o);
+  }
+
+  function _setPrototypeOf(o, p) {
+    _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
+      o.__proto__ = p;
+      return o;
+    };
+
+    return _setPrototypeOf(o, p);
+  }
+
+  function isNativeReflectConstruct() {
+    if (typeof Reflect === "undefined" || !Reflect.construct) return false;
+    if (Reflect.construct.sham) return false;
+    if (typeof Proxy === "function") return true;
+
+    try {
+      Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
+      return true;
+    } catch (e) {
+      return false;
+    }
+  }
+
+  function _construct(Parent, args, Class) {
+    if (isNativeReflectConstruct()) {
+      _construct = Reflect.construct;
+    } else {
+      _construct = function _construct(Parent, args, Class) {
+        var a = [null];
+        a.push.apply(a, args);
+        var Constructor = Function.bind.apply(Parent, a);
+        var instance = new Constructor();
+        if (Class) _setPrototypeOf(instance, Class.prototype);
+        return instance;
+      };
+    }
+
+    return _construct.apply(null, arguments);
+  }
+
+  function _assertThisInitialized(self) {
+    if (self === void 0) {
       throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
     }
 
-    return call && (typeof call === "object" || typeof call === "function") ? call : self;
-  };
+    return self;
+  }
 
-  var slicedToArray = function () {
-    function sliceIterator(arr, i) {
-      var _arr = [];
-      var _n = true;
-      var _d = false;
-      var _e = undefined;
-
-      try {
-        for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
-          _arr.push(_s.value);
-
-          if (i && _arr.length === i) break;
-        }
-      } catch (err) {
-        _d = true;
-        _e = err;
-      } finally {
-        try {
-          if (!_n && _i["return"]) _i["return"]();
-        } finally {
-          if (_d) throw _e;
-        }
-      }
-
-      return _arr;
+  function _possibleConstructorReturn(self, call) {
+    if (call && (typeof call === "object" || typeof call === "function")) {
+      return call;
     }
 
-    return function (arr, i) {
-      if (Array.isArray(arr)) {
-        return arr;
-      } else if (Symbol.iterator in Object(arr)) {
-        return sliceIterator(arr, i);
-      } else {
-        throw new TypeError("Invalid attempt to destructure non-iterable instance");
-      }
-    };
-  }();
+    return _assertThisInitialized(self);
+  }
 
-  var toConsumableArray = function (arr) {
+  function _superPropBase(object, property) {
+    while (!Object.prototype.hasOwnProperty.call(object, property)) {
+      object = _getPrototypeOf(object);
+      if (object === null) break;
+    }
+
+    return object;
+  }
+
+  function _get(target, property, receiver) {
+    if (typeof Reflect !== "undefined" && Reflect.get) {
+      _get = Reflect.get;
+    } else {
+      _get = function _get(target, property, receiver) {
+        var base = _superPropBase(target, property);
+
+        if (!base) return;
+        var desc = Object.getOwnPropertyDescriptor(base, property);
+
+        if (desc.get) {
+          return desc.get.call(receiver);
+        }
+
+        return desc.value;
+      };
+    }
+
+    return _get(target, property, receiver || target);
+  }
+
+  function _slicedToArray(arr, i) {
+    return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();
+  }
+
+  function _toConsumableArray(arr) {
+    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
+  }
+
+  function _arrayWithoutHoles(arr) {
     if (Array.isArray(arr)) {
-      for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+      for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
 
       return arr2;
-    } else {
-      return Array.from(arr);
     }
-  };
+  }
+
+  function _arrayWithHoles(arr) {
+    if (Array.isArray(arr)) return arr;
+  }
+
+  function _iterableToArray(iter) {
+    if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+  }
+
+  function _iterableToArrayLimit(arr, i) {
+    var _arr = [];
+    var _n = true;
+    var _d = false;
+    var _e = undefined;
+
+    try {
+      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+        _arr.push(_s.value);
+
+        if (i && _arr.length === i) break;
+      }
+    } catch (err) {
+      _d = true;
+      _e = err;
+    } finally {
+      try {
+        if (!_n && _i["return"] != null) _i["return"]();
+      } finally {
+        if (_d) throw _e;
+      }
+    }
+
+    return _arr;
+  }
+
+  function _nonIterableSpread() {
+    throw new TypeError("Invalid attempt to spread non-iterable instance");
+  }
+
+  function _nonIterableRest() {
+    throw new TypeError("Invalid attempt to destructure non-iterable instance");
+  }
 
   /**
    * For parsing color values
@@ -302,9 +375,8 @@ var svgEditorExtension_server_moinsave = (function () {
     whitesmoke: 'f5f5f5',
     yellow: 'ffff00',
     yellowgreen: '9acd32'
-  };
+  }; // array of color definition objects
 
-  // array of color definition objects
   var colorDefs = [{
     re: /^rgb\((\d{1,3}),\s*(\d{1,3}),\s*(\d{1,3})\)$/,
     example: ['rgb(123, 234, 45)', 'rgb(255,234,245)'],
@@ -324,131 +396,138 @@ var svgEditorExtension_server_moinsave = (function () {
       return [parseInt(bits[1] + bits[1], 16), parseInt(bits[2] + bits[2], 16), parseInt(bits[3] + bits[3], 16)];
     }
   }];
-
   /**
    * A class to parse color values
    */
 
-  var RGBColor = function () {
+  var RGBColor =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {string} colorString
     */
     function RGBColor(colorString) {
-      classCallCheck(this, RGBColor);
+      _classCallCheck(this, RGBColor);
 
-      this.ok = false;
+      this.ok = false; // strip any leading #
 
-      // strip any leading #
       if (colorString.charAt(0) === '#') {
         // remove # if any
         colorString = colorString.substr(1, 6);
       }
 
       colorString = colorString.replace(/ /g, '');
-      colorString = colorString.toLowerCase();
-
-      // before getting into regexps, try simple matches
+      colorString = colorString.toLowerCase(); // before getting into regexps, try simple matches
       // and overwrite the input
+
       if (colorString in simpleColors) {
         colorString = simpleColors[colorString];
-      }
-      // end of simple type-in colors
-
+      } // end of simple type-in colors
       // search through the definitions to find a match
+
+
       for (var i = 0; i < colorDefs.length; i++) {
         var re = colorDefs[i].re;
-
         var processor = colorDefs[i].process;
         var bits = re.exec(colorString);
+
         if (bits) {
           var _processor = processor(bits),
-              _processor2 = slicedToArray(_processor, 3),
+              _processor2 = _slicedToArray(_processor, 3),
               r = _processor2[0],
               g = _processor2[1],
               b = _processor2[2];
 
-          Object.assign(this, { r: r, g: g, b: b });
+          Object.assign(this, {
+            r: r,
+            g: g,
+            b: b
+          });
           this.ok = true;
         }
-      }
+      } // validate/cleanup values
+
 
-      // validate/cleanup values
       this.r = this.r < 0 || isNaN(this.r) ? 0 : this.r > 255 ? 255 : this.r;
       this.g = this.g < 0 || isNaN(this.g) ? 0 : this.g > 255 ? 255 : this.g;
       this.b = this.b < 0 || isNaN(this.b) ? 0 : this.b > 255 ? 255 : this.b;
-    }
+    } // some getters
 
-    // some getters
     /**
     * @returns {string}
     */
 
 
-    createClass(RGBColor, [{
-      key: 'toRGB',
+    _createClass(RGBColor, [{
+      key: "toRGB",
       value: function toRGB() {
         return 'rgb(' + this.r + ', ' + this.g + ', ' + this.b + ')';
       }
-
       /**
       * @returns {string}
       */
 
     }, {
-      key: 'toHex',
+      key: "toHex",
       value: function toHex() {
         var r = this.r.toString(16);
         var g = this.g.toString(16);
         var b = this.b.toString(16);
+
         if (r.length === 1) {
           r = '0' + r;
         }
+
         if (g.length === 1) {
           g = '0' + g;
         }
+
         if (b.length === 1) {
           b = '0' + b;
         }
+
         return '#' + r + g + b;
       }
-
       /**
       * help
       * @returns {HTMLUListElement}
       */
 
     }, {
-      key: 'getHelpXML',
+      key: "getHelpXML",
       value: function getHelpXML() {
-        var examples = [];
-        // add regexps
+        var examples = []; // add regexps
+
         for (var i = 0; i < colorDefs.length; i++) {
           var example = colorDefs[i].example;
 
           for (var j = 0; j < example.length; j++) {
             examples[examples.length] = example[j];
           }
-        }
-        // add type-in colors
-        examples.push.apply(examples, toConsumableArray(Object.keys(simpleColors)));
+        } // add type-in colors
 
+
+        examples.push.apply(examples, _toConsumableArray(Object.keys(simpleColors)));
         var xml = document.createElement('ul');
         xml.setAttribute('id', 'rgbcolor-examples');
+
         for (var _i = 0; _i < examples.length; _i++) {
           try {
             var listItem = document.createElement('li');
             var listColor = new RGBColor(examples[_i]);
             var exampleDiv = document.createElement('div');
-            exampleDiv.style.cssText = 'margin: 3px;\nborder: 1px solid black;\nbackground: ' + listColor.toHex() + ';\ncolor: ' + listColor.toHex() + ';';
+            exampleDiv.style.cssText = "margin: 3px;\nborder: 1px solid black;\nbackground: ".concat(listColor.toHex(), ";\ncolor: ").concat(listColor.toHex(), ";");
             exampleDiv.append('test');
-            var listItemValue = ' ' + examples[_i] + ' -> ' + listColor.toRGB() + ' -> ' + listColor.toHex();
+            var listItemValue = " ".concat(examples[_i], " -> ").concat(listColor.toRGB(), " -> ").concat(listColor.toHex());
             listItem.append(exampleDiv, listItemValue);
             xml.append(listItem);
           } catch (e) {}
         }
+
         return xml;
       }
     }]);
+
     return RGBColor;
   }();
 
@@ -492,11 +571,8 @@ var svgEditorExtension_server_moinsave = (function () {
   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   OTHER DEALINGS IN THE SOFTWARE.
   */
-
   var mulTable = [512, 512, 456, 512, 328, 456, 335, 512, 405, 328, 271, 456, 388, 335, 292, 512, 454, 405, 364, 328, 298, 271, 496, 456, 420, 388, 360, 335, 312, 292, 273, 512, 482, 454, 428, 405, 383, 364, 345, 328, 312, 298, 284, 271, 259, 496, 475, 456, 437, 420, 404, 388, 374, 360, 347, 335, 323, 312, 302, 292, 282, 273, 265, 512, 497, 482, 468, 454, 441, 428, 417, 405, 394, 383, 373, 364, 354, 345, 337, 328, 320, 312, 305, 298, 291, 284, 278, 271, 265, 259, 507, 496, 485, 475, 465, 456, 446, 437, 428, 420, 412, 404, 396, 388, 381, 374, 367, 360, 354, 347, 341, 335, 329, 323, 318, 312, 307, 302, 297, 292, 287, 282, 278, 273, 269, 265, 261, 512, 505, 497, 489, 482, 475, 468, 461, 454, 447, 441, 435, 428, 422, 417, 411, 405, 399, 394, 389, 383, 378, 373, 368, 364, 359, 354, 350, 345, 341, 337, 332, 328, 324, 320, 316, 312, 309, 305, 301, 298, 294, 291, 287, 284, 281, 278, 274, 271, 268, 265, 262, 259, 257, 507, 501, 496, 491, 485, 480, 475, 470, 465, 460, 456, 451, 446, 442, 437, 433, 428, 424, 420, 416, 412, 408, 404, 400, 396, 392, 388, 385, 381, 377, 374, 370, 367, 363, 360, 357, 354, 350, 347, 344, 341, 338, 335, 332, 329, 326, 323, 320, 318, 315, 312, 310, 307, 304, 302, 299, 297, 294, 292, 289, 287, 285, 282, 280, 278, 275, 273, 271, 269, 267, 265, 263, 261, 259];
-
   var shgTable = [9, 11, 12, 13, 13, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24];
-
   /**
    * @param {string|HTMLCanvasElement} canvas
    * @param {Integer} topX
@@ -506,10 +582,13 @@ var svgEditorExtension_server_moinsave = (function () {
    * @throws {Error}
    * @returns {ImageData} See {@link https://html.spec.whatwg.org/multipage/canvas.html#imagedata}
    */
+
+
   function getImageDataFromCanvas(canvas, topX, topY, width, height) {
     if (typeof canvas === 'string') {
       canvas = document.getElementById(canvas);
     }
+
     if (!canvas || !('getContext' in canvas)) {
       return;
     }
@@ -522,7 +601,6 @@ var svgEditorExtension_server_moinsave = (function () {
       throw new Error('unable to access image data: ' + e);
     }
   }
-
   /**
    * @param {HTMLCanvasElement} canvas
    * @param {Integer} topX
@@ -532,19 +610,18 @@ var svgEditorExtension_server_moinsave = (function () {
    * @param {Float} radius
    * @returns {undefined}
    */
+
+
   function processCanvasRGBA(canvas, topX, topY, width, height, radius) {
     if (isNaN(radius) || radius < 1) {
       return;
     }
+
     radius |= 0;
-
     var imageData = getImageDataFromCanvas(canvas, topX, topY, width, height);
-
     imageData = processImageDataRGBA(imageData, topX, topY, width, height, radius);
-
     canvas.getContext('2d').putImageData(imageData, topX, topY);
   }
-
   /**
    * @param {ImageData} imageData
    * @param {Integer} topX
@@ -554,72 +631,46 @@ var svgEditorExtension_server_moinsave = (function () {
    * @param {Float} radius
    * @returns {ImageData}
    */
+
+
   function processImageDataRGBA(imageData, topX, topY, width, height, radius) {
     var pixels = imageData.data;
+    var x, y, i, p, yp, yi, yw, rSum, gSum, bSum, aSum, rOutSum, gOutSum, bOutSum, aOutSum, rInSum, gInSum, bInSum, aInSum, pr, pg, pb, pa, rbs;
+    var div = radius + radius + 1; // const w4 = width << 2;
 
-    var x = void 0,
-        y = void 0,
-        i = void 0,
-        p = void 0,
-        yp = void 0,
-        yi = void 0,
-        yw = void 0,
-        rSum = void 0,
-        gSum = void 0,
-        bSum = void 0,
-        aSum = void 0,
-        rOutSum = void 0,
-        gOutSum = void 0,
-        bOutSum = void 0,
-        aOutSum = void 0,
-        rInSum = void 0,
-        gInSum = void 0,
-        bInSum = void 0,
-        aInSum = void 0,
-        pr = void 0,
-        pg = void 0,
-        pb = void 0,
-        pa = void 0,
-        rbs = void 0;
-
-    var div = radius + radius + 1;
-    // const w4 = width << 2;
     var widthMinus1 = width - 1;
     var heightMinus1 = height - 1;
     var radiusPlus1 = radius + 1;
     var sumFactor = radiusPlus1 * (radiusPlus1 + 1) / 2;
-
     var stackStart = new BlurStack();
     var stack = stackStart;
-    var stackEnd = void 0;
+    var stackEnd;
+
     for (i = 1; i < div; i++) {
       stack = stack.next = new BlurStack();
+
       if (i === radiusPlus1) {
         stackEnd = stack;
       }
     }
+
     stack.next = stackStart;
     var stackIn = null;
     var stackOut = null;
-
     yw = yi = 0;
-
     var mulSum = mulTable[radius];
     var shgSum = shgTable[radius];
 
     for (y = 0; y < height; y++) {
       rInSum = gInSum = bInSum = aInSum = rSum = gSum = bSum = aSum = 0;
-
       rOutSum = radiusPlus1 * (pr = pixels[yi]);
       gOutSum = radiusPlus1 * (pg = pixels[yi + 1]);
       bOutSum = radiusPlus1 * (pb = pixels[yi + 2]);
       aOutSum = radiusPlus1 * (pa = pixels[yi + 3]);
-
       rSum += sumFactor * pr;
       gSum += sumFactor * pg;
       bSum += sumFactor * pb;
       aSum += sumFactor * pa;
-
       stack = stackStart;
 
       for (i = 0; i < radiusPlus1; i++) {
@@ -636,19 +687,19 @@ var svgEditorExtension_server_moinsave = (function () {
         gSum += (stack.g = pg = pixels[p + 1]) * rbs;
         bSum += (stack.b = pb = pixels[p + 2]) * rbs;
         aSum += (stack.a = pa = pixels[p + 3]) * rbs;
-
         rInSum += pr;
         gInSum += pg;
         bInSum += pb;
         aInSum += pa;
-
         stack = stack.next;
       }
 
       stackIn = stackStart;
       stackOut = stackEnd;
+
       for (x = 0; x < width; x++) {
         pixels[yi + 3] = pa = aSum * mulSum >> shgSum;
+
         if (pa !== 0) {
           pa = 255 / pa;
           pixels[yi] = (rSum * mulSum >> shgSum) * pa;
@@ -662,57 +713,46 @@ var svgEditorExtension_server_moinsave = (function () {
         gSum -= gOutSum;
         bSum -= bOutSum;
         aSum -= aOutSum;
-
         rOutSum -= stackIn.r;
         gOutSum -= stackIn.g;
         bOutSum -= stackIn.b;
         aOutSum -= stackIn.a;
-
         p = yw + ((p = x + radius + 1) < widthMinus1 ? p : widthMinus1) << 2;
-
         rInSum += stackIn.r = pixels[p];
         gInSum += stackIn.g = pixels[p + 1];
         bInSum += stackIn.b = pixels[p + 2];
         aInSum += stackIn.a = pixels[p + 3];
-
         rSum += rInSum;
         gSum += gInSum;
         bSum += bInSum;
         aSum += aInSum;
-
         stackIn = stackIn.next;
-
         rOutSum += pr = stackOut.r;
         gOutSum += pg = stackOut.g;
         bOutSum += pb = stackOut.b;
         aOutSum += pa = stackOut.a;
-
         rInSum -= pr;
         gInSum -= pg;
         bInSum -= pb;
         aInSum -= pa;
-
         stackOut = stackOut.next;
-
         yi += 4;
       }
+
       yw += width;
     }
 
     for (x = 0; x < width; x++) {
       gInSum = bInSum = aInSum = rInSum = gSum = bSum = aSum = rSum = 0;
-
       yi = x << 2;
       rOutSum = radiusPlus1 * (pr = pixels[yi]);
       gOutSum = radiusPlus1 * (pg = pixels[yi + 1]);
       bOutSum = radiusPlus1 * (pb = pixels[yi + 2]);
       aOutSum = radiusPlus1 * (pa = pixels[yi + 3]);
-
       rSum += sumFactor * pr;
       gSum += sumFactor * pg;
       bSum += sumFactor * pb;
       aSum += sumFactor * pa;
-
       stack = stackStart;
 
       for (i = 0; i < radiusPlus1; i++) {
@@ -727,17 +767,14 @@ var svgEditorExtension_server_moinsave = (function () {
 
       for (i = 1; i <= radius; i++) {
         yi = yp + x << 2;
-
         rSum += (stack.r = pr = pixels[yi]) * (rbs = radiusPlus1 - i);
         gSum += (stack.g = pg = pixels[yi + 1]) * rbs;
         bSum += (stack.b = pb = pixels[yi + 2]) * rbs;
         aSum += (stack.a = pa = pixels[yi + 3]) * rbs;
-
         rInSum += pr;
         gInSum += pg;
         bInSum += pb;
         aInSum += pa;
-
         stack = stack.next;
 
         if (i < heightMinus1) {
@@ -748,9 +785,11 @@ var svgEditorExtension_server_moinsave = (function () {
       yi = x;
       stackIn = stackStart;
       stackOut = stackEnd;
+
       for (y = 0; y < height; y++) {
         p = yi << 2;
         pixels[p + 3] = pa = aSum * mulSum >> shgSum;
+
         if (pa > 0) {
           pa = 255 / pa;
           pixels[p] = (rSum * mulSum >> shgSum) * pa;
@@ -764,44 +803,38 @@ var svgEditorExtension_server_moinsave = (function () {
         gSum -= gOutSum;
         bSum -= bOutSum;
         aSum -= aOutSum;
-
         rOutSum -= stackIn.r;
         gOutSum -= stackIn.g;
         bOutSum -= stackIn.b;
         aOutSum -= stackIn.a;
-
         p = x + ((p = y + radiusPlus1) < heightMinus1 ? p : heightMinus1) * width << 2;
-
         rSum += rInSum += stackIn.r = pixels[p];
         gSum += gInSum += stackIn.g = pixels[p + 1];
         bSum += bInSum += stackIn.b = pixels[p + 2];
         aSum += aInSum += stackIn.a = pixels[p + 3];
-
         stackIn = stackIn.next;
-
         rOutSum += pr = stackOut.r;
         gOutSum += pg = stackOut.g;
         bOutSum += pb = stackOut.b;
         aOutSum += pa = stackOut.a;
-
         rInSum -= pr;
         gInSum -= pg;
         bInSum -= pb;
         aInSum -= pa;
-
         stackOut = stackOut.next;
-
         yi += width;
       }
     }
+
     return imageData;
   }
-
   /**
    *
    */
+
+
   var BlurStack = function BlurStack() {
-    classCallCheck(this, BlurStack);
+    _classCallCheck(this, BlurStack);
 
     this.r = 0;
     this.g = 0;
@@ -810,10 +843,7 @@ var svgEditorExtension_server_moinsave = (function () {
     this.next = null;
   };
 
-  /* eslint-disable new-cap */
-
   var canvasRGBA_ = processCanvasRGBA;
-
   /**
   * @typedef {PlainObject} module:canvg.CanvgOptions
   * @property {boolean} opts.ignoreMouse true => ignore mouse events
@@ -837,11 +867,12 @@ var svgEditorExtension_server_moinsave = (function () {
   * @param {module:canvg.CanvgOptions} [opts] Optional hash of options
   * @returns {Promise} All the function after the first render is completed with dom
   */
+
   var canvg = function canvg(target, s, opts) {
     // no parameters
     if (target == null && s == null && opts == null) {
       var svgTags = document.querySelectorAll('svg');
-      return Promise.all([].concat(toConsumableArray(svgTags)).map(function (svgTag) {
+      return Promise.all(_toConsumableArray(svgTags).map(function (svgTag) {
         var c = document.createElement('canvas');
         c.width = svgTag.clientWidth;
         c.height = svgTag.clientHeight;
@@ -855,54 +886,61 @@ var svgEditorExtension_server_moinsave = (function () {
 
     if (typeof target === 'string') {
       target = document.getElementById(target);
-    }
+    } // store class on canvas
+
 
-    // store class on canvas
     if (target.svg != null) target.svg.stop();
-    var svg = build(opts || {});
-    // on i.e. 8 for flash canvas, we can't assign the property so check for it
+    var svg = build(opts || {}); // on i.e. 8 for flash canvas, we can't assign the property so check for it
+
     if (!(target.childNodes.length === 1 && target.childNodes[0].nodeName === 'OBJECT')) {
       target.svg = svg;
     }
 
     var ctx = target.getContext('2d');
+
     if (typeof s.documentElement !== 'undefined') {
       // load from xml doc
       return svg.loadXmlDoc(ctx, s);
     }
+
     if (s.substr(0, 1) === '<') {
       // load from xml string
       return svg.loadXml(ctx, s);
-    }
-    // load from url
+    } // load from url
+
+
     return svg.load(ctx, s);
   };
-
   /**
   * @param {module:canvg.CanvgOptions} opts
   * @returns {object}
   * @todo Flesh out exactly what object is returned here (after updating to latest and reincluding our changes here and those of StackBlur)
   */
-  function build(opts) {
-    var svg = { opts: opts };
 
+  function build(opts) {
+    var svg = {
+      opts: opts
+    };
     svg.FRAMERATE = 30;
     svg.MAX_VIRTUAL_PIXELS = 30000;
 
     svg.log = function (msg) {};
+
     if (svg.opts.log === true && typeof console !== 'undefined') {
       svg.log = function (msg) {
         console.log(msg);
       };
-    }
+    } // globals
+
 
-    // globals
     svg.init = function (ctx) {
       var uniqueId = 0;
+
       svg.UniqueId = function () {
         uniqueId++;
         return 'canvg' + uniqueId;
       };
+
       svg.Definitions = {};
       svg.Styles = {};
       svg.Animations = [];
@@ -914,7 +952,10 @@ var svgEditorExtension_server_moinsave = (function () {
           this.viewPorts = [];
         },
         SetCurrent: function SetCurrent(width, height) {
-          this.viewPorts.push({ width: width, height: height });
+          this.viewPorts.push({
+            width: width,
+            height: height
+          });
         },
         RemoveCurrent: function RemoveCurrent() {
           this.viewPorts.pop();
@@ -936,28 +977,29 @@ var svgEditorExtension_server_moinsave = (function () {
         }
       };
     };
-    svg.init();
 
-    // images loaded
+    svg.init(); // images loaded
+
     svg.ImagesLoaded = function () {
       return svg.Images.every(function (img) {
         return img.loaded;
       });
-    };
+    }; // trim
+
 
-    // trim
     svg.trim = function (s) {
       return s.replace(/^\s+|\s+$/g, '');
-    };
+    }; // compress spaces
+
 
-    // compress spaces
     svg.compressSpaces = function (s) {
       return s.replace(/[\s\r\t\n]+/gm, ' ');
-    };
+    }; // ajax
+
 
-    // ajax
     svg.ajax = function (url, asynch) {
       var AJAX = window.XMLHttpRequest ? new XMLHttpRequest() : new window.ActiveXObject('Microsoft.XMLHTTP');
+
       if (asynch) {
         return new Promise(function (resolve, reject) {
           var req = AJAX.open('GET', url, true);
@@ -971,9 +1013,9 @@ var svgEditorExtension_server_moinsave = (function () {
       AJAX.open('GET', url, false);
       AJAX.send(null);
       return AJAX.responseText;
-    };
+    }; // parse xml
+
 
-    // parse xml
     svg.parseXml = function (xml) {
       if (window.DOMParser) {
         var parser = new DOMParser();
@@ -985,10 +1027,10 @@ var svgEditorExtension_server_moinsave = (function () {
         xmlDoc.loadXML(xml);
         return xmlDoc;
       }
-    };
-
-    // text extensions
+    }; // text extensions
     // get the text baseline
+
+
     var textBaselineMapping = {
       baseline: 'alphabetic',
       'before-edge': 'top',
@@ -1003,141 +1045,139 @@ var svgEditorExtension_server_moinsave = (function () {
       mathematical: 'alphabetic'
     };
 
-    svg.Property = function () {
+    svg.Property =
+    /*#__PURE__*/
+    function () {
       function Property(name, value) {
-        classCallCheck(this, Property);
+        _classCallCheck(this, Property);
 
         this.name = name;
         this.value = value;
       }
 
-      createClass(Property, [{
-        key: 'getValue',
+      _createClass(Property, [{
+        key: "getValue",
         value: function getValue() {
           return this.value;
         }
       }, {
-        key: 'hasValue',
+        key: "hasValue",
         value: function hasValue() {
           return this.value != null && this.value !== '';
-        }
-
-        // return the numerical value of the property
+        } // return the numerical value of the property
 
       }, {
-        key: 'numValue',
+        key: "numValue",
         value: function numValue() {
           if (!this.hasValue()) return 0;
-
           var n = parseFloat(this.value);
+
           if ((this.value + '').match(/%$/)) {
             n = n / 100.0;
           }
+
           return n;
         }
       }, {
-        key: 'valueOrDefault',
+        key: "valueOrDefault",
         value: function valueOrDefault(def) {
           if (this.hasValue()) return this.value;
           return def;
         }
       }, {
-        key: 'numValueOrDefault',
+        key: "numValueOrDefault",
         value: function numValueOrDefault(def) {
           if (this.hasValue()) return this.numValue();
           return def;
-        }
-
-        // color extensions
+        } // color extensions
         // augment the current color value with the opacity
 
       }, {
-        key: 'addOpacity',
+        key: "addOpacity",
         value: function addOpacity(opacityProp) {
           var newValue = this.value;
+
           if (opacityProp.value != null && opacityProp.value !== '' && typeof this.value === 'string') {
             // can only add opacity to colors, not patterns
             var color = new RGBColor(this.value);
+
             if (color.ok) {
               newValue = 'rgba(' + color.r + ', ' + color.g + ', ' + color.b + ', ' + opacityProp.numValue() + ')';
             }
           }
-          return new svg.Property(this.name, newValue);
-        }
 
-        // definition extensions
+          return new svg.Property(this.name, newValue);
+        } // definition extensions
         // get the definition from the definitions table
 
       }, {
-        key: 'getDefinition',
+        key: "getDefinition",
         value: function getDefinition() {
           var name = this.value.match(/#([^)'"]+)/);
+
           if (name) {
             name = name[1];
           }
+
           if (!name) {
             name = this.value;
           }
+
           return svg.Definitions[name];
         }
       }, {
-        key: 'isUrlDefinition',
+        key: "isUrlDefinition",
         value: function isUrlDefinition() {
           return this.value.startsWith('url(');
         }
       }, {
-        key: 'getFillStyleDefinition',
+        key: "getFillStyleDefinition",
         value: function getFillStyleDefinition(e, opacityProp) {
-          var def = this.getDefinition();
+          var def = this.getDefinition(); // gradient
 
-          // gradient
           if (def != null && def.createGradient) {
             return def.createGradient(svg.ctx, e, opacityProp);
-          }
+          } // pattern
+
 
-          // pattern
           if (def != null && def.createPattern) {
             if (def.getHrefAttribute().hasValue()) {
               var pt = def.attribute('patternTransform');
               def = def.getHrefAttribute().getDefinition();
+
               if (pt.hasValue()) {
                 def.attribute('patternTransform', true).value = pt.value;
               }
             }
+
             return def.createPattern(svg.ctx, e);
           }
 
           return null;
-        }
-
-        // length extensions
+        } // length extensions
 
       }, {
-        key: 'getDPI',
+        key: "getDPI",
         value: function getDPI(viewPort) {
           return 96.0; // TODO: compute?
         }
       }, {
-        key: 'getEM',
+        key: "getEM",
         value: function getEM(viewPort) {
           var em = 12;
-
           var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
           if (fontSize.hasValue()) em = fontSize.toPixels(viewPort);
-
           return em;
         }
       }, {
-        key: 'getUnits',
+        key: "getUnits",
         value: function getUnits() {
           var s = this.value + '';
           return s.replace(/[0-9.-]/g, '');
-        }
-
-        // get the length as pixels
+        } // get the length as pixels
 
       }, {
-        key: 'toPixels',
+        key: "toPixels",
         value: function toPixels(viewPort, processPercent) {
           if (!this.hasValue()) return 0;
           var s = this.value + '';
@@ -1153,26 +1193,22 @@ var svgEditorExtension_server_moinsave = (function () {
           var n = this.numValue();
           if (processPercent && n < 1.0) return n * svg.ViewPort.ComputeSize(viewPort);
           return n;
-        }
-
-        // time extensions
+        } // time extensions
         // get the time as milliseconds
 
       }, {
-        key: 'toMilliseconds',
+        key: "toMilliseconds",
         value: function toMilliseconds() {
           if (!this.hasValue()) return 0;
           var s = this.value + '';
           if (s.match(/s$/)) return this.numValue() * 1000;
           if (s.match(/ms$/)) return this.numValue();
           return this.numValue();
-        }
-
-        // angle extensions
+        } // angle extensions
         // get the angle as radians
 
       }, {
-        key: 'toRadians',
+        key: "toRadians",
         value: function toRadians() {
           if (!this.hasValue()) return 0;
           var s = this.value + '';
@@ -1182,21 +1218,21 @@ var svgEditorExtension_server_moinsave = (function () {
           return this.numValue() * (Math.PI / 180.0);
         }
       }, {
-        key: 'toTextBaseline',
+        key: "toTextBaseline",
         value: function toTextBaseline() {
           if (!this.hasValue()) return null;
           return textBaselineMapping[this.value];
         }
       }]);
-      return Property;
-    }();
 
-    // fonts
+      return Property;
+    }(); // fonts
+
+
     svg.Font = {
       Styles: 'normal|italic|oblique|inherit',
       Variants: 'normal|small-caps|inherit',
       Weights: 'normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900|inherit',
-
       CreateFont: function CreateFont(fontStyle, fontVariant, fontWeight, fontSize, fontFamily, inherit) {
         var f = inherit != null ? this.Parse(inherit) : this.CreateFont('', '', '', '', '', svg.ctx.font);
         return {
@@ -1215,66 +1251,77 @@ var svgEditorExtension_server_moinsave = (function () {
 
         var f = {};
         var d = svg.trim(svg.compressSpaces(s || '')).split(' ');
-        var set$$1 = {
-          fontSize: false, fontStyle: false, fontWeight: false, fontVariant: false
+        var set = {
+          fontSize: false,
+          fontStyle: false,
+          fontWeight: false,
+          fontVariant: false
         };
         var ff = '';
         d.forEach(function (d) {
-          if (!set$$1.fontStyle && _this.Styles.includes(d)) {
+          if (!set.fontStyle && _this.Styles.includes(d)) {
             if (d !== 'inherit') {
               f.fontStyle = d;
             }
-            set$$1.fontStyle = true;
-          } else if (!set$$1.fontVariant && _this.Variants.includes(d)) {
+
+            set.fontStyle = true;
+          } else if (!set.fontVariant && _this.Variants.includes(d)) {
             if (d !== 'inherit') {
               f.fontVariant = d;
             }
-            set$$1.fontStyle = set$$1.fontVariant = true;
-          } else if (!set$$1.fontWeight && _this.Weights.includes(d)) {
+
+            set.fontStyle = set.fontVariant = true;
+          } else if (!set.fontWeight && _this.Weights.includes(d)) {
             if (d !== 'inherit') {
               f.fontWeight = d;
             }
-            set$$1.fontStyle = set$$1.fontVariant = set$$1.fontWeight = true;
-          } else if (!set$$1.fontSize) {
+
+            set.fontStyle = set.fontVariant = set.fontWeight = true;
+          } else if (!set.fontSize) {
             if (d !== 'inherit') {
               f.fontSize = d.split('/')[0];
             }
-            set$$1.fontStyle = set$$1.fontVariant = set$$1.fontWeight = set$$1.fontSize = true;
+
+            set.fontStyle = set.fontVariant = set.fontWeight = set.fontSize = true;
           } else {
             if (d !== 'inherit') {
               ff += d;
             }
           }
         });
+
         if (ff !== '') {
           f.fontFamily = ff;
         }
+
         return f;
       }
-    };
+    }; // points and paths
 
-    // points and paths
     svg.ToNumberArray = function (s) {
       var a = svg.trim(svg.compressSpaces((s || '').replace(/,/g, ' '))).split(' ');
       return a.map(function (a) {
         return parseFloat(a);
       });
     };
-    svg.Point = function () {
+
+    svg.Point =
+    /*#__PURE__*/
+    function () {
       function _class(x, y) {
-        classCallCheck(this, _class);
+        _classCallCheck(this, _class);
 
         this.x = x;
         this.y = y;
       }
 
-      createClass(_class, [{
-        key: 'angleTo',
+      _createClass(_class, [{
+        key: "angleTo",
         value: function angleTo(p) {
           return Math.atan2(p.y - this.y, p.x - this.x);
         }
       }, {
-        key: 'applyTransform',
+        key: "applyTransform",
         value: function applyTransform(v) {
           var xp = this.x * v[0] + this.y * v[2] + v[4];
           var yp = this.x * v[1] + this.y * v[3] + v[5];
@@ -1282,6 +1329,7 @@ var svgEditorExtension_server_moinsave = (function () {
           this.y = yp;
         }
       }]);
+
       return _class;
     }();
 
@@ -1289,19 +1337,25 @@ var svgEditorExtension_server_moinsave = (function () {
       var a = svg.ToNumberArray(s);
       return new svg.Point(a[0], a[1]);
     };
+
     svg.CreatePath = function (s) {
       var a = svg.ToNumberArray(s);
       var path = [];
+
       for (var i = 0; i < a.length; i += 2) {
         path.push(new svg.Point(a[i], a[i + 1]));
       }
-      return path;
-    };
 
-    // bounding box
-    svg.BoundingBox = function () {
+      return path;
+    }; // bounding box
+
+
+    svg.BoundingBox =
+    /*#__PURE__*/
+    function () {
       function _class2(x1, y1, x2, y2) {
-        classCallCheck(this, _class2);
+        _classCallCheck(this, _class2);
+
         // pass in initial points if you want
         this.x1 = Number.NaN;
         this.y1 = Number.NaN;
@@ -1311,34 +1365,35 @@ var svgEditorExtension_server_moinsave = (function () {
         this.addPoint(x2, y2);
       }
 
-      createClass(_class2, [{
-        key: 'x',
+      _createClass(_class2, [{
+        key: "x",
         value: function x() {
           return this.x1;
         }
       }, {
-        key: 'y',
+        key: "y",
         value: function y() {
           return this.y1;
         }
       }, {
-        key: 'width',
+        key: "width",
         value: function width() {
           return this.x2 - this.x1;
         }
       }, {
-        key: 'height',
+        key: "height",
         value: function height() {
           return this.y2 - this.y1;
         }
       }, {
-        key: 'addPoint',
+        key: "addPoint",
         value: function addPoint(x, y) {
           if (x != null) {
             if (isNaN(this.x1) || isNaN(this.x2)) {
               this.x1 = x;
               this.x2 = x;
             }
+
             if (x < this.x1) this.x1 = x;
             if (x > this.x2) this.x2 = x;
           }
@@ -1348,37 +1403,42 @@ var svgEditorExtension_server_moinsave = (function () {
               this.y1 = y;
               this.y2 = y;
             }
+
             if (y < this.y1) this.y1 = y;
             if (y > this.y2) this.y2 = y;
           }
         }
       }, {
-        key: 'addX',
+        key: "addX",
         value: function addX(x) {
           this.addPoint(x, null);
         }
       }, {
-        key: 'addY',
+        key: "addY",
         value: function addY(y) {
           this.addPoint(null, y);
         }
       }, {
-        key: 'addBoundingBox',
+        key: "addBoundingBox",
         value: function addBoundingBox(bb) {
           this.addPoint(bb.x1, bb.y1);
           this.addPoint(bb.x2, bb.y2);
         }
       }, {
-        key: 'addQuadraticCurve',
+        key: "addQuadraticCurve",
         value: function addQuadraticCurve(p0x, p0y, p1x, p1y, p2x, p2y) {
           var cp1x = p0x + 2 / 3 * (p1x - p0x); // CP1 = QP0 + 2/3 *(QP1-QP0)
+
           var cp1y = p0y + 2 / 3 * (p1y - p0y); // CP1 = QP0 + 2/3 *(QP1-QP0)
+
           var cp2x = cp1x + 1 / 3 * (p2x - p0x); // CP2 = CP1 + 1/3 *(QP2-QP0)
+
           var cp2y = cp1y + 1 / 3 * (p2y - p0y); // CP2 = CP1 + 1/3 *(QP2-QP0)
+
           this.addBezierCurve(p0x, p0y, cp1x, cp2x, cp1y, cp2y, p2x, p2y);
         }
       }, {
-        key: 'addBezierCurve',
+        key: "addBezierCurve",
         value: function addBezierCurve(p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y) {
           var _this2 = this;
 
@@ -1400,23 +1460,28 @@ var svgEditorExtension_server_moinsave = (function () {
             var c = 3 * p1[i] - 3 * p0[i];
 
             if (a === 0) {
-              if (b === 0) return 'continue';
+              if (b === 0) return "continue";
               var t = -c / b;
+
               if (t > 0 && t < 1) {
                 if (i === 0) _this2.addX(f(t));
                 if (i === 1) _this2.addY(f(t));
               }
-              return 'continue';
+
+              return "continue";
             }
 
             var b2ac = Math.pow(b, 2) - 4 * c * a;
-            if (b2ac < 0) return 'continue';
+            if (b2ac < 0) return "continue";
             var t1 = (-b + Math.sqrt(b2ac)) / (2 * a);
+
             if (t1 > 0 && t1 < 1) {
               if (i === 0) _this2.addX(f(t1));
               if (i === 1) _this2.addY(f(t1));
             }
+
             var t2 = (-b - Math.sqrt(b2ac)) / (2 * a);
+
             if (t2 > 0 && t2 < 1) {
               if (i === 0) _this2.addX(f(t2));
               if (i === 1) _this2.addY(f(t2));
@@ -1426,57 +1491,66 @@ var svgEditorExtension_server_moinsave = (function () {
           for (var i = 0; i <= 1; i++) {
             var _ret = _loop(i);
 
-            if (_ret === 'continue') continue;
+            if (_ret === "continue") continue;
           }
         }
       }, {
-        key: 'isPointInBox',
+        key: "isPointInBox",
         value: function isPointInBox(x, y) {
           return this.x1 <= x && x <= this.x2 && this.y1 <= y && y <= this.y2;
         }
       }]);
-      return _class2;
-    }();
 
-    // transforms
-    svg.Transform = function () {
+      return _class2;
+    }(); // transforms
+
+
+    svg.Transform =
+    /*#__PURE__*/
+    function () {
       function _class3(v) {
         var _this6 = this;
 
-        classCallCheck(this, _class3);
+        _classCallCheck(this, _class3);
 
         this.Type = {
           translate: function translate(s) {
-            classCallCheck(this, translate);
+            _classCallCheck(this, translate);
 
             this.p = svg.CreatePoint(s);
+
             this.apply = function (ctx) {
               ctx.translate(this.p.x || 0.0, this.p.y || 0.0);
             };
+
             this.unapply = function (ctx) {
               ctx.translate(-1.0 * this.p.x || 0.0, -1.0 * this.p.y || 0.0);
             };
+
             this.applyToPoint = function (p) {
               p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]);
             };
           },
           rotate: function rotate(s) {
-            classCallCheck(this, rotate);
+            _classCallCheck(this, rotate);
 
             var a = svg.ToNumberArray(s);
             this.angle = new svg.Property('angle', a[0]);
             this.cx = a[1] || 0;
             this.cy = a[2] || 0;
+
             this.apply = function (ctx) {
               ctx.translate(this.cx, this.cy);
               ctx.rotate(this.angle.toRadians());
               ctx.translate(-this.cx, -this.cy);
             };
+
             this.unapply = function (ctx) {
               ctx.translate(this.cx, this.cy);
               ctx.rotate(-1.0 * this.angle.toRadians());
               ctx.translate(-this.cx, -this.cy);
             };
+
             this.applyToPoint = function (p) {
               var a = this.angle.toRadians();
               p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]);
@@ -1485,40 +1559,48 @@ var svgEditorExtension_server_moinsave = (function () {
             };
           },
           scale: function scale(s) {
-            classCallCheck(this, scale);
+            _classCallCheck(this, scale);
 
             this.p = svg.CreatePoint(s);
+
             this.apply = function (ctx) {
               ctx.scale(this.p.x || 1.0, this.p.y || this.p.x || 1.0);
             };
+
             this.unapply = function (ctx) {
               ctx.scale(1.0 / this.p.x || 1.0, 1.0 / this.p.y || this.p.x || 1.0);
             };
+
             this.applyToPoint = function (p) {
               p.applyTransform([this.p.x || 0.0, 0, 0, this.p.y || 0.0, 0, 0]);
             };
           },
           matrix: function matrix(s) {
-            classCallCheck(this, matrix);
+            _classCallCheck(this, matrix);
 
             this.m = svg.ToNumberArray(s);
+
             this.apply = function (ctx) {
               ctx.transform(this.m[0], this.m[1], this.m[2], this.m[3], this.m[4], this.m[5]);
             };
+
             this.applyToPoint = function (p) {
               p.applyTransform(this.m);
             };
           }
         };
         Object.assign(this.Type, {
-          SkewBase: function (_Type$matrix) {
-            inherits(SkewBase, _Type$matrix);
+          SkewBase:
+          /*#__PURE__*/
+          function (_this$Type$matrix) {
+            _inherits(SkewBase, _this$Type$matrix);
 
             function SkewBase(s) {
-              classCallCheck(this, SkewBase);
+              var _this3;
 
-              var _this3 = possibleConstructorReturn(this, (SkewBase.__proto__ || Object.getPrototypeOf(SkewBase)).call(this, s));
+              _classCallCheck(this, SkewBase);
 
+              _this3 = _possibleConstructorReturn(this, _getPrototypeOf(SkewBase).call(this, s));
               _this3.angle = new svg.Property('angle', s);
               return _this3;
             }
@@ -1527,28 +1609,34 @@ var svgEditorExtension_server_moinsave = (function () {
           }(this.Type.matrix)
         });
         Object.assign(this.Type, {
-          skewX: function (_Type$SkewBase) {
-            inherits(skewX, _Type$SkewBase);
+          skewX:
+          /*#__PURE__*/
+          function (_this$Type$SkewBase) {
+            _inherits(skewX, _this$Type$SkewBase);
 
             function skewX(s) {
-              classCallCheck(this, skewX);
+              var _this4;
 
-              var _this4 = possibleConstructorReturn(this, (skewX.__proto__ || Object.getPrototypeOf(skewX)).call(this, s));
+              _classCallCheck(this, skewX);
 
+              _this4 = _possibleConstructorReturn(this, _getPrototypeOf(skewX).call(this, s));
               _this4.m = [1, 0, Math.tan(_this4.angle.toRadians()), 1, 0, 0];
               return _this4;
             }
 
             return skewX;
           }(this.Type.SkewBase),
-          skewY: function (_Type$SkewBase2) {
-            inherits(skewY, _Type$SkewBase2);
+          skewY:
+          /*#__PURE__*/
+          function (_this$Type$SkewBase2) {
+            _inherits(skewY, _this$Type$SkewBase2);
 
             function skewY(s) {
-              classCallCheck(this, skewY);
+              var _this5;
 
-              var _this5 = possibleConstructorReturn(this, (skewY.__proto__ || Object.getPrototypeOf(skewY)).call(this, s));
+              _classCallCheck(this, skewY);
 
+              _this5 = _possibleConstructorReturn(this, _getPrototypeOf(skewY).call(this, s));
               _this5.m = [1, Math.tan(_this5.angle.toRadians()), 0, 1, 0, 0];
               return _this5;
             }
@@ -1556,7 +1644,6 @@ var svgEditorExtension_server_moinsave = (function () {
             return skewY;
           }(this.Type.SkewBase)
         });
-
         var data = svg.trim(svg.compressSpaces(v)).replace(/\)([a-zA-Z])/g, ') $1').replace(/\)(\s?,\s?)/g, ') ').split(/\s(?=[a-z])/);
         this.transforms = data.map(function (d) {
           var type = svg.trim(d.split('(')[0]);
@@ -1567,53 +1654,59 @@ var svgEditorExtension_server_moinsave = (function () {
         });
       }
 
-      createClass(_class3, [{
-        key: 'apply',
+      _createClass(_class3, [{
+        key: "apply",
         value: function apply(ctx) {
           this.transforms.forEach(function (transform) {
             transform.apply(ctx);
           });
         }
       }, {
-        key: 'unapply',
+        key: "unapply",
         value: function unapply(ctx) {
           for (var i = this.transforms.length - 1; i >= 0; i--) {
             this.transforms[i].unapply(ctx);
           }
         }
       }, {
-        key: 'applyToPoint',
+        key: "applyToPoint",
         value: function applyToPoint(p) {
           this.transforms.forEach(function (transform) {
             transform.applyToPoint(p);
           });
         }
       }]);
-      return _class3;
-    }();
 
-    // aspect ratio
+      return _class3;
+    }(); // aspect ratio
+
+
     svg.AspectRatio = function (ctx, aspectRatio, width, desiredWidth, height, desiredHeight, minX, minY, refX, refY) {
       // aspect ratio - https://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute
       aspectRatio = svg.compressSpaces(aspectRatio);
       aspectRatio = aspectRatio.replace(/^defer\s/, ''); // ignore defer
-      var align = aspectRatio.split(' ')[0] || 'xMidYMid';
-      var meetOrSlice = aspectRatio.split(' ')[1] || 'meet';
 
-      // calculate scale
+      var align = aspectRatio.split(' ')[0] || 'xMidYMid';
+      var meetOrSlice = aspectRatio.split(' ')[1] || 'meet'; // calculate scale
+
       var scaleX = width / desiredWidth;
       var scaleY = height / desiredHeight;
       var scaleMin = Math.min(scaleX, scaleY);
       var scaleMax = Math.max(scaleX, scaleY);
+
       if (meetOrSlice === 'meet') {
-        desiredWidth *= scaleMin;desiredHeight *= scaleMin;
+        desiredWidth *= scaleMin;
+        desiredHeight *= scaleMin;
       }
+
       if (meetOrSlice === 'slice') {
-        desiredWidth *= scaleMax;desiredHeight *= scaleMax;
+        desiredWidth *= scaleMax;
+        desiredHeight *= scaleMax;
       }
 
       refX = new svg.Property('refX', refX);
       refY = new svg.Property('refY', refY);
+
       if (refX.hasValue() && refY.hasValue()) {
         ctx.translate(-scaleMin * refX.toPixels('x'), -scaleMin * refY.toPixels('y'));
       } else {
@@ -1622,92 +1715,104 @@ var svgEditorExtension_server_moinsave = (function () {
         if (align.match(/YMid$/) && (meetOrSlice === 'meet' && scaleMin === scaleX || meetOrSlice === 'slice' && scaleMax === scaleX)) ctx.translate(0, height / 2.0 - desiredHeight / 2.0);
         if (align.match(/^xMax/) && (meetOrSlice === 'meet' && scaleMin === scaleY || meetOrSlice === 'slice' && scaleMax === scaleY)) ctx.translate(width - desiredWidth, 0);
         if (align.match(/YMax$/) && (meetOrSlice === 'meet' && scaleMin === scaleX || meetOrSlice === 'slice' && scaleMax === scaleX)) ctx.translate(0, height - desiredHeight);
-      }
+      } // scale
 
-      // scale
-      if (align === 'none') ctx.scale(scaleX, scaleY);else if (meetOrSlice === 'meet') ctx.scale(scaleMin, scaleMin);else if (meetOrSlice === 'slice') ctx.scale(scaleMax, scaleMax);
 
-      // translate
+      if (align === 'none') ctx.scale(scaleX, scaleY);else if (meetOrSlice === 'meet') ctx.scale(scaleMin, scaleMin);else if (meetOrSlice === 'slice') ctx.scale(scaleMax, scaleMax); // translate
+
       ctx.translate(minX == null ? 0 : -minX, minY == null ? 0 : -minY);
-    };
+    }; // elements
+
 
-    // elements
     svg.Element = {};
-
     svg.EmptyProperty = new svg.Property('EMPTY', '');
 
-    svg.Element.ElementBase = function () {
+    svg.Element.ElementBase =
+    /*#__PURE__*/
+    function () {
       function _class4(node) {
         var _this7 = this;
 
-        classCallCheck(this, _class4);
+        _classCallCheck(this, _class4);
 
         this.captureTextNodes = arguments[1]; // Argument from inheriting class
+
         this.attributes = {};
         this.styles = {};
         this.children = [];
+
         if (node != null && node.nodeType === 1) {
           // ELEMENT_NODE
           // add children
-          [].concat(toConsumableArray(node.childNodes)).forEach(function (childNode) {
+          _toConsumableArray(node.childNodes).forEach(function (childNode) {
             if (childNode.nodeType === 1) {
               _this7.addChild(childNode, true); // ELEMENT_NODE
+
             }
+
             if (_this7.captureTextNodes && (childNode.nodeType === 3 || childNode.nodeType === 4)) {
               var text = childNode.nodeValue || childNode.text || '';
+
               if (svg.trim(svg.compressSpaces(text)) !== '') {
                 _this7.addChild(new svg.Element.tspan(childNode), false); // TEXT_NODE
+
               }
             }
-          });
+          }); // add attributes
 
-          // add attributes
-          [].concat(toConsumableArray(node.attributes)).forEach(function (_ref) {
+
+          _toConsumableArray(node.attributes).forEach(function (_ref) {
             var nodeName = _ref.nodeName,
                 nodeValue = _ref.nodeValue;
-
             _this7.attributes[nodeName] = new svg.Property(nodeName, nodeValue);
-          });
-          // add tag styles
+          }); // add tag styles
+
+
           var styles = svg.Styles[node.nodeName];
+
           if (styles != null) {
             for (var name in styles) {
               this.styles[name] = styles[name];
             }
-          }
+          } // add class styles
+
 
-          // add class styles
           if (this.attribute('class').hasValue()) {
             var classes = svg.compressSpaces(this.attribute('class').value).split(' ');
             classes.forEach(function (clss) {
               styles = svg.Styles['.' + clss];
+
               if (styles != null) {
                 for (var _name in styles) {
                   _this7.styles[_name] = styles[_name];
                 }
               }
+
               styles = svg.Styles[node.nodeName + '.' + clss];
+
               if (styles != null) {
                 for (var _name2 in styles) {
                   _this7.styles[_name2] = styles[_name2];
                 }
               }
             });
-          }
+          } // add id styles
+
 
-          // add id styles
           if (this.attribute('id').hasValue()) {
             var _styles = svg.Styles['#' + this.attribute('id').value];
+
             if (_styles != null) {
               for (var _name3 in _styles) {
                 this.styles[_name3] = _styles[_name3];
               }
             }
-          }
+          } // add inline styles
+
 
-          // add inline styles
           if (this.attribute('style').hasValue()) {
             var _styles2 = this.attribute('style').value.split(';');
+
             _styles2.forEach(function (style) {
               if (svg.trim(style) !== '') {
                 var _style$split = style.split(':'),
@@ -1719,60 +1824,62 @@ var svgEditorExtension_server_moinsave = (function () {
                 _this7.styles[_name4] = new svg.Property(_name4, value);
               }
             });
-          }
+          } // add id
+
 
-          // add id
           if (this.attribute('id').hasValue()) {
             if (svg.Definitions[this.attribute('id').value] == null) {
               svg.Definitions[this.attribute('id').value] = this;
             }
           }
         }
-      }
-
-      // get or create attribute
+      } // get or create attribute
 
 
-      createClass(_class4, [{
-        key: 'attribute',
+      _createClass(_class4, [{
+        key: "attribute",
         value: function attribute(name, createIfNotExists) {
           var a = this.attributes[name];
           if (a != null) return a;
 
           if (createIfNotExists === true) {
-            a = new svg.Property(name, '');this.attributes[name] = a;
+            a = new svg.Property(name, '');
+            this.attributes[name] = a;
           }
+
           return a || svg.EmptyProperty;
         }
       }, {
-        key: 'getHrefAttribute',
+        key: "getHrefAttribute",
         value: function getHrefAttribute() {
           for (var a in this.attributes) {
             if (a.match(/:href$/)) {
               return this.attributes[a];
             }
           }
-          return svg.EmptyProperty;
-        }
 
-        // get or create style, crawls up node tree
+          return svg.EmptyProperty;
+        } // get or create style, crawls up node tree
 
       }, {
-        key: 'style',
+        key: "style",
         value: function style(name, createIfNotExists, skipAncestors) {
           var s = this.styles[name];
           if (s != null) return s;
-
           var a = this.attribute(name);
+
           if (a != null && a.hasValue()) {
             this.styles[name] = a; // move up to me to cache
+
             return a;
           }
 
           if (skipAncestors !== true) {
             var p = this.parent;
+
             if (p != null) {
               var ps = p.style(name);
+
               if (ps != null && ps.hasValue()) {
                 return ps;
               }
@@ -1780,23 +1887,22 @@ var svgEditorExtension_server_moinsave = (function () {
           }
 
           if (createIfNotExists === true) {
-            s = new svg.Property(name, '');this.styles[name] = s;
+            s = new svg.Property(name, '');
+            this.styles[name] = s;
           }
-          return s || svg.EmptyProperty;
-        }
 
-        // base render
+          return s || svg.EmptyProperty;
+        } // base render
 
       }, {
-        key: 'render',
+        key: "render",
         value: function render(ctx) {
           // don't render display=none
-          if (this.style('display').value === 'none') return;
+          if (this.style('display').value === 'none') return; // don't render visibility=hidden
 
-          // don't render visibility=hidden
           if (this.style('visibility').value === 'hidden') return;
-
           ctx.save();
+
           if (this.attribute('mask').hasValue()) {
             // mask
             var mask = this.attribute('mask').getDefinition();
@@ -1810,57 +1916,55 @@ var svgEditorExtension_server_moinsave = (function () {
             this.renderChildren(ctx);
             this.clearContext(ctx);
           }
-          ctx.restore();
-        }
 
-        // base set context
+          ctx.restore();
+        } // base set context
 
       }, {
-        key: 'setContext',
-        value: function setContext(ctx) {}
-        // OVERRIDE ME!
-
-
+        key: "setContext",
+        value: function setContext(ctx) {} // OVERRIDE ME!
         // base clear context
 
       }, {
-        key: 'clearContext',
-        value: function clearContext(ctx) {}
-        // OVERRIDE ME!
-
-
+        key: "clearContext",
+        value: function clearContext(ctx) {} // OVERRIDE ME!
         // base render children
 
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           this.children.forEach(function (child) {
             child.render(ctx);
           });
         }
       }, {
-        key: 'addChild',
+        key: "addChild",
         value: function addChild(childNode, create) {
           var child = create ? svg.CreateElement(childNode) : childNode;
           child.parent = this;
+
           if (child.type !== 'title') {
             this.children.push(child);
           }
         }
       }]);
+
       return _class4;
     }();
 
-    svg.Element.RenderedElementBase = function (_svg$Element$ElementB) {
-      inherits(_class5, _svg$Element$ElementB);
+    svg.Element.RenderedElementBase =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB) {
+      _inherits(_class5, _svg$Element$ElementB);
 
       function _class5() {
-        classCallCheck(this, _class5);
-        return possibleConstructorReturn(this, (_class5.__proto__ || Object.getPrototypeOf(_class5)).apply(this, arguments));
+        _classCallCheck(this, _class5);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class5).apply(this, arguments));
       }
 
-      createClass(_class5, [{
-        key: 'setContext',
+      _createClass(_class5, [{
+        key: "setContext",
         value: function setContext(ctx) {
           // fill
           if (this.style('fill').isUrlDefinition()) {
@@ -1871,35 +1975,44 @@ var svgEditorExtension_server_moinsave = (function () {
             if (fillStyle.value === 'currentColor') fillStyle.value = this.style('color').value;
             ctx.fillStyle = fillStyle.value === 'none' ? 'rgba(0,0,0,0)' : fillStyle.value;
           }
+
           if (this.style('fill-opacity').hasValue()) {
             var _fillStyle = new svg.Property('fill', ctx.fillStyle);
+
             _fillStyle = _fillStyle.addOpacity(this.style('fill-opacity'));
             ctx.fillStyle = _fillStyle.value;
-          }
+          } // stroke
+
 
-          // stroke
           if (this.style('stroke').isUrlDefinition()) {
             var _fs = this.style('stroke').getFillStyleDefinition(this, this.style('stroke-opacity'));
+
             if (_fs != null) ctx.strokeStyle = _fs;
           } else if (this.style('stroke').hasValue()) {
             var strokeStyle = this.style('stroke');
             if (strokeStyle.value === 'currentColor') strokeStyle.value = this.style('color').value;
             ctx.strokeStyle = strokeStyle.value === 'none' ? 'rgba(0,0,0,0)' : strokeStyle.value;
           }
+
           if (this.style('stroke-opacity').hasValue()) {
             var _strokeStyle = new svg.Property('stroke', ctx.strokeStyle);
+
             _strokeStyle = _strokeStyle.addOpacity(this.style('stroke-opacity'));
             ctx.strokeStyle = _strokeStyle.value;
           }
+
           if (this.style('stroke-width').hasValue()) {
             var newLineWidth = this.style('stroke-width').toPixels();
             ctx.lineWidth = newLineWidth === 0 ? 0.001 : newLineWidth; // browsers don't respect 0
           }
+
           if (this.style('stroke-linecap').hasValue()) ctx.lineCap = this.style('stroke-linecap').value;
           if (this.style('stroke-linejoin').hasValue()) ctx.lineJoin = this.style('stroke-linejoin').value;
           if (this.style('stroke-miterlimit').hasValue()) ctx.miterLimit = this.style('stroke-miterlimit').value;
+
           if (this.style('stroke-dasharray').hasValue() && this.style('stroke-dasharray').value !== 'none') {
             var gaps = svg.ToNumberArray(this.style('stroke-dasharray').value);
+
             if (typeof ctx.setLineDash !== 'undefined') {
               ctx.setLineDash(gaps);
             } else if (typeof ctx.webkitLineDash !== 'undefined') {
@@ -1909,6 +2022,7 @@ var svgEditorExtension_server_moinsave = (function () {
             }
 
             var offset = this.style('stroke-dashoffset').numValueOrDefault(1);
+
             if (typeof ctx.lineDashOffset !== 'undefined') {
               ctx.lineDashOffset = offset;
             } else if (typeof ctx.webkitLineDashOffset !== 'undefined') {
@@ -1916,53 +2030,58 @@ var svgEditorExtension_server_moinsave = (function () {
             } else if (typeof ctx.mozDashOffset !== 'undefined') {
               ctx.mozDashOffset = offset;
             }
-          }
+          } // font
+
 
-          // font
           if (typeof ctx.font !== 'undefined') {
             ctx.font = svg.Font.CreateFont(this.style('font-style').value, this.style('font-variant').value, this.style('font-weight').value, this.style('font-size').hasValue() ? this.style('font-size').toPixels() + 'px' : '', this.style('font-family').value).toString();
-          }
+          } // transform
+
 
-          // transform
           if (this.attribute('transform').hasValue()) {
             var transform = new svg.Transform(this.attribute('transform').value);
             transform.apply(ctx);
-          }
+          } // clip
+
 
-          // clip
           if (this.style('clip-path', false, true).hasValue()) {
             var clip = this.style('clip-path', false, true).getDefinition();
             if (clip != null) clip.apply(ctx);
-          }
+          } // opacity
+
 
-          // opacity
           if (this.style('opacity').hasValue()) {
             ctx.globalAlpha = this.style('opacity').numValue();
           }
         }
       }]);
+
       return _class5;
     }(svg.Element.ElementBase);
 
-    svg.Element.PathElementBase = function (_svg$Element$Rendered) {
-      inherits(_class6, _svg$Element$Rendered);
+    svg.Element.PathElementBase =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered) {
+      _inherits(_class6, _svg$Element$Rendered);
 
       function _class6() {
-        classCallCheck(this, _class6);
-        return possibleConstructorReturn(this, (_class6.__proto__ || Object.getPrototypeOf(_class6)).apply(this, arguments));
+        _classCallCheck(this, _class6);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class6).apply(this, arguments));
       }
 
-      createClass(_class6, [{
-        key: 'path',
+      _createClass(_class6, [{
+        key: "path",
         value: function path(ctx) {
           if (ctx != null) ctx.beginPath();
           return new svg.BoundingBox();
         }
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           this.path(ctx);
           svg.Mouse.checkPath(this, ctx);
+
           if (ctx.fillStyle !== '') {
             if (this.style('fill-rule').valueOrDefault('inherit') !== 'inherit') {
               ctx.fill(this.style('fill-rule').value);
@@ -1970,85 +2089,95 @@ var svgEditorExtension_server_moinsave = (function () {
               ctx.fill();
             }
           }
-          if (ctx.strokeStyle !== '') ctx.stroke();
 
+          if (ctx.strokeStyle !== '') ctx.stroke();
           var markers = this.getMarkers();
+
           if (markers != null) {
             if (this.style('marker-start').isUrlDefinition()) {
               var marker = this.style('marker-start').getDefinition();
               marker.render(ctx, markers[0][0], markers[0][1]);
             }
+
             if (this.style('marker-mid').isUrlDefinition()) {
               var _marker = this.style('marker-mid').getDefinition();
+
               for (var i = 1; i < markers.length - 1; i++) {
                 _marker.render(ctx, markers[i][0], markers[i][1]);
               }
             }
+
             if (this.style('marker-end').isUrlDefinition()) {
               var _marker2 = this.style('marker-end').getDefinition();
+
               _marker2.render(ctx, markers[markers.length - 1][0], markers[markers.length - 1][1]);
             }
           }
         }
       }, {
-        key: 'getBoundingBox',
+        key: "getBoundingBox",
         value: function getBoundingBox() {
           return this.path();
         }
       }, {
-        key: 'getMarkers',
+        key: "getMarkers",
         value: function getMarkers() {
           return null;
         }
       }]);
-      return _class6;
-    }(svg.Element.RenderedElementBase);
 
-    // svg element
-    svg.Element.svg = function (_svg$Element$Rendered2) {
-      inherits(_class7, _svg$Element$Rendered2);
+      return _class6;
+    }(svg.Element.RenderedElementBase); // svg element
+
+
+    svg.Element.svg =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered2) {
+      _inherits(_class7, _svg$Element$Rendered2);
 
       function _class7() {
-        classCallCheck(this, _class7);
-        return possibleConstructorReturn(this, (_class7.__proto__ || Object.getPrototypeOf(_class7)).apply(this, arguments));
+        _classCallCheck(this, _class7);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class7).apply(this, arguments));
       }
 
-      createClass(_class7, [{
-        key: 'clearContext',
+      _createClass(_class7, [{
+        key: "clearContext",
         value: function clearContext(ctx) {
-          get(_class7.prototype.__proto__ || Object.getPrototypeOf(_class7.prototype), 'clearContext', this).call(this, ctx);
+          _get(_getPrototypeOf(_class7.prototype), "clearContext", this).call(this, ctx);
+
           svg.ViewPort.RemoveCurrent();
         }
       }, {
-        key: 'setContext',
+        key: "setContext",
         value: function setContext(ctx) {
           // initial values and defaults
           ctx.strokeStyle = 'rgba(0,0,0,0)';
           ctx.lineCap = 'butt';
           ctx.lineJoin = 'miter';
           ctx.miterLimit = 4;
+
           if (typeof ctx.font !== 'undefined' && typeof window.getComputedStyle !== 'undefined') {
             ctx.font = window.getComputedStyle(ctx.canvas).getPropertyValue('font');
           }
 
-          get(_class7.prototype.__proto__ || Object.getPrototypeOf(_class7.prototype), 'setContext', this).call(this, ctx);
+          _get(_getPrototypeOf(_class7.prototype), "setContext", this).call(this, ctx); // create new view port
+
 
-          // create new view port
           if (!this.attribute('x').hasValue()) this.attribute('x', true).value = 0;
           if (!this.attribute('y').hasValue()) this.attribute('y', true).value = 0;
           ctx.translate(this.attribute('x').toPixels('x'), this.attribute('y').toPixels('y'));
-
           var width = svg.ViewPort.width();
           var height = svg.ViewPort.height();
-
           if (!this.attribute('width').hasValue()) this.attribute('width', true).value = '100%';
           if (!this.attribute('height').hasValue()) this.attribute('height', true).value = '100%';
+
           if (typeof this.root === 'undefined') {
             width = this.attribute('width').toPixels('x');
             height = this.attribute('height').toPixels('y');
-
             var x = 0;
             var y = 0;
+
             if (this.attribute('refX').hasValue() && this.attribute('refY').hasValue()) {
               x = -this.attribute('refX').toPixels('x');
               y = -this.attribute('refY').toPixels('y');
@@ -2064,37 +2193,39 @@ var svgEditorExtension_server_moinsave = (function () {
               ctx.clip();
             }
           }
-          svg.ViewPort.SetCurrent(width, height);
 
-          // viewbox
+          svg.ViewPort.SetCurrent(width, height); // viewbox
+
           if (this.attribute('viewBox').hasValue()) {
             var viewBox = svg.ToNumberArray(this.attribute('viewBox').value);
             var minX = viewBox[0];
             var minY = viewBox[1];
             width = viewBox[2];
             height = viewBox[3];
-
             svg.AspectRatio(ctx, this.attribute('preserveAspectRatio').value, svg.ViewPort.width(), width, svg.ViewPort.height(), height, minX, minY, this.attribute('refX').value, this.attribute('refY').value);
-
             svg.ViewPort.RemoveCurrent();
             svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]);
           }
         }
       }]);
-      return _class7;
-    }(svg.Element.RenderedElementBase);
 
-    // rect element
-    svg.Element.rect = function (_svg$Element$PathElem) {
-      inherits(_class8, _svg$Element$PathElem);
+      return _class7;
+    }(svg.Element.RenderedElementBase); // rect element
+
+
+    svg.Element.rect =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem) {
+      _inherits(_class8, _svg$Element$PathElem);
 
       function _class8() {
-        classCallCheck(this, _class8);
-        return possibleConstructorReturn(this, (_class8.__proto__ || Object.getPrototypeOf(_class8)).apply(this, arguments));
+        _classCallCheck(this, _class8);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class8).apply(this, arguments));
       }
 
-      createClass(_class8, [{
-        key: 'path',
+      _createClass(_class8, [{
+        key: "path",
         value: function path(ctx) {
           var x = this.attribute('x').toPixels('x');
           var y = this.attribute('y').toPixels('y');
@@ -2106,6 +2237,7 @@ var svgEditorExtension_server_moinsave = (function () {
           if (this.attribute('ry').hasValue() && !this.attribute('rx').hasValue()) rx = ry;
           rx = Math.min(rx, width / 2.0);
           ry = Math.min(ry, height / 2.0);
+
           if (ctx != null) {
             ctx.beginPath();
             ctx.moveTo(x + rx, y);
@@ -2123,20 +2255,24 @@ var svgEditorExtension_server_moinsave = (function () {
           return new svg.BoundingBox(x, y, x + width, y + height);
         }
       }]);
-      return _class8;
-    }(svg.Element.PathElementBase);
 
-    // circle element
-    svg.Element.circle = function (_svg$Element$PathElem2) {
-      inherits(_class9, _svg$Element$PathElem2);
+      return _class8;
+    }(svg.Element.PathElementBase); // circle element
+
+
+    svg.Element.circle =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem2) {
+      _inherits(_class9, _svg$Element$PathElem2);
 
       function _class9() {
-        classCallCheck(this, _class9);
-        return possibleConstructorReturn(this, (_class9.__proto__ || Object.getPrototypeOf(_class9)).apply(this, arguments));
+        _classCallCheck(this, _class9);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class9).apply(this, arguments));
       }
 
-      createClass(_class9, [{
-        key: 'path',
+      _createClass(_class9, [{
+        key: "path",
         value: function path(ctx) {
           var cx = this.attribute('cx').toPixels('x');
           var cy = this.attribute('cy').toPixels('y');
@@ -2151,21 +2287,26 @@ var svgEditorExtension_server_moinsave = (function () {
           return new svg.BoundingBox(cx - r, cy - r, cx + r, cy + r);
         }
       }]);
-      return _class9;
-    }(svg.Element.PathElementBase);
 
-    // ellipse element
+      return _class9;
+    }(svg.Element.PathElementBase); // ellipse element
+
+
     var KAPPA = 4 * ((Math.sqrt(2) - 1) / 3);
-    svg.Element.ellipse = function (_svg$Element$PathElem3) {
-      inherits(_class10, _svg$Element$PathElem3);
+
+    svg.Element.ellipse =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem3) {
+      _inherits(_class10, _svg$Element$PathElem3);
 
       function _class10() {
-        classCallCheck(this, _class10);
-        return possibleConstructorReturn(this, (_class10.__proto__ || Object.getPrototypeOf(_class10)).apply(this, arguments));
+        _classCallCheck(this, _class10);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class10).apply(this, arguments));
       }
 
-      createClass(_class10, [{
-        key: 'path',
+      _createClass(_class10, [{
+        key: "path",
         value: function path(ctx) {
           var rx = this.attribute('rx').toPixels('x');
           var ry = this.attribute('ry').toPixels('y');
@@ -2185,25 +2326,29 @@ var svgEditorExtension_server_moinsave = (function () {
           return new svg.BoundingBox(cx - rx, cy - ry, cx + rx, cy + ry);
         }
       }]);
-      return _class10;
-    }(svg.Element.PathElementBase);
 
-    // line element
-    svg.Element.line = function (_svg$Element$PathElem4) {
-      inherits(_class11, _svg$Element$PathElem4);
+      return _class10;
+    }(svg.Element.PathElementBase); // line element
+
+
+    svg.Element.line =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem4) {
+      _inherits(_class11, _svg$Element$PathElem4);
 
       function _class11() {
-        classCallCheck(this, _class11);
-        return possibleConstructorReturn(this, (_class11.__proto__ || Object.getPrototypeOf(_class11)).apply(this, arguments));
+        _classCallCheck(this, _class11);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class11).apply(this, arguments));
       }
 
-      createClass(_class11, [{
-        key: 'getPoints',
+      _createClass(_class11, [{
+        key: "getPoints",
         value: function getPoints() {
           return [new svg.Point(this.attribute('x1').toPixels('x'), this.attribute('y1').toPixels('y')), new svg.Point(this.attribute('x2').toPixels('x'), this.attribute('y2').toPixels('y'))];
         }
       }, {
-        key: 'path',
+        key: "path",
         value: function path(ctx) {
           var points = this.getPoints();
 
@@ -2216,99 +2361,116 @@ var svgEditorExtension_server_moinsave = (function () {
           return new svg.BoundingBox(points[0].x, points[0].y, points[1].x, points[1].y);
         }
       }, {
-        key: 'getMarkers',
+        key: "getMarkers",
         value: function getMarkers() {
           var points = this.getPoints();
           var a = points[0].angleTo(points[1]);
           return [[points[0], a], [points[1], a]];
         }
       }]);
-      return _class11;
-    }(svg.Element.PathElementBase);
 
-    // polyline element
-    svg.Element.polyline = function (_svg$Element$PathElem5) {
-      inherits(_class12, _svg$Element$PathElem5);
+      return _class11;
+    }(svg.Element.PathElementBase); // polyline element
+
+
+    svg.Element.polyline =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem5) {
+      _inherits(_class12, _svg$Element$PathElem5);
 
       function _class12(node) {
-        classCallCheck(this, _class12);
+        var _this8;
 
-        var _this15 = possibleConstructorReturn(this, (_class12.__proto__ || Object.getPrototypeOf(_class12)).call(this, node));
+        _classCallCheck(this, _class12);
 
-        _this15.points = svg.CreatePath(_this15.attribute('points').value);
-        return _this15;
+        _this8 = _possibleConstructorReturn(this, _getPrototypeOf(_class12).call(this, node));
+        _this8.points = svg.CreatePath(_this8.attribute('points').value);
+        return _this8;
       }
 
-      createClass(_class12, [{
-        key: 'path',
+      _createClass(_class12, [{
+        key: "path",
         value: function path(ctx) {
-          var _points$ = this.points[0],
-              x = _points$.x,
-              y = _points$.y;
-
+          var _this$points$ = this.points[0],
+              x = _this$points$.x,
+              y = _this$points$.y;
           var bb = new svg.BoundingBox(x, y);
+
           if (ctx != null) {
             ctx.beginPath();
             ctx.moveTo(x, y);
           }
-          for (var i = 1; i < this.points.length; i++) {
-            var _points$i = this.points[i],
-                _x = _points$i.x,
-                _y = _points$i.y;
 
+          for (var i = 1; i < this.points.length; i++) {
+            var _this$points$i = this.points[i],
+                _x = _this$points$i.x,
+                _y = _this$points$i.y;
             bb.addPoint(_x, _y);
             if (ctx != null) ctx.lineTo(_x, _y);
           }
+
           return bb;
         }
       }, {
-        key: 'getMarkers',
+        key: "getMarkers",
         value: function getMarkers() {
           var markers = [];
+
           for (var i = 0; i < this.points.length - 1; i++) {
             markers.push([this.points[i], this.points[i].angleTo(this.points[i + 1])]);
           }
+
           markers.push([this.points[this.points.length - 1], markers[markers.length - 1][1]]);
           return markers;
         }
       }]);
-      return _class12;
-    }(svg.Element.PathElementBase);
 
-    // polygon element
-    svg.Element.polygon = function (_svg$Element$polyline) {
-      inherits(_class13, _svg$Element$polyline);
+      return _class12;
+    }(svg.Element.PathElementBase); // polygon element
+
+
+    svg.Element.polygon =
+    /*#__PURE__*/
+    function (_svg$Element$polyline) {
+      _inherits(_class13, _svg$Element$polyline);
 
       function _class13() {
-        classCallCheck(this, _class13);
-        return possibleConstructorReturn(this, (_class13.__proto__ || Object.getPrototypeOf(_class13)).apply(this, arguments));
+        _classCallCheck(this, _class13);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class13).apply(this, arguments));
       }
 
-      createClass(_class13, [{
-        key: 'path',
+      _createClass(_class13, [{
+        key: "path",
         value: function path(ctx) {
-          var bb = get(_class13.prototype.__proto__ || Object.getPrototypeOf(_class13.prototype), 'path', this).call(this, ctx);
+          var bb = _get(_getPrototypeOf(_class13.prototype), "path", this).call(this, ctx);
+
           if (ctx != null) {
             ctx.lineTo(this.points[0].x, this.points[0].y);
             ctx.closePath();
           }
+
           return bb;
         }
       }]);
-      return _class13;
-    }(svg.Element.polyline);
 
-    // path element
-    svg.Element.path = function (_svg$Element$PathElem6) {
-      inherits(_class14, _svg$Element$PathElem6);
+      return _class13;
+    }(svg.Element.polyline); // path element
+
+
+    svg.Element.path =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem6) {
+      _inherits(_class14, _svg$Element$PathElem6);
 
       function _class14(node) {
-        classCallCheck(this, _class14);
+        var _this9;
 
-        var _this17 = possibleConstructorReturn(this, (_class14.__proto__ || Object.getPrototypeOf(_class14)).call(this, node));
+        _classCallCheck(this, _class14);
 
-        var d = _this17.attribute('d').value
-        // TODO: convert to real lexer based on https://www.w3.org/TR/SVG11/paths.html#PathDataBNF
+        _this9 = _possibleConstructorReturn(this, _getPrototypeOf(_class14).call(this, node));
+
+        var d = _this9.attribute('d').value // TODO: convert to real lexer based on https://www.w3.org/TR/SVG11/paths.html#PathDataBNF
         .replace(/,/gm, ' ') // get rid of all commas
         .replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm, '$1 $2') // separate commands from commands
         .replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm, '$1 $2') // separate commands from commands
@@ -2317,11 +2479,13 @@ var svgEditorExtension_server_moinsave = (function () {
         .replace(/([0-9])([+-])/gm, '$1 $2') // separate digits when no comma
         .replace(/(\.[0-9]*)(\.)/gm, '$1 $2') // separate digits when no comma
         .replace(/([Aa](\s+[0-9]+){3})\s+([01])\s*([01])/gm, '$1 $3 $4 '); // shorthand elliptical arc path syntax
-        d = svg.compressSpaces(d); // compress multiple spaces
-        d = svg.trim(d);
-        _this17.PathParser = {
-          tokens: d.split(' '),
 
+
+        d = svg.compressSpaces(d); // compress multiple spaces
+
+        d = svg.trim(d);
+        _this9.PathParser = {
+          tokens: d.split(' '),
           reset: function reset() {
             this.i = -1;
             this.command = '';
@@ -2353,6 +2517,7 @@ var svgEditorExtension_server_moinsave = (function () {
               case 'z':
                 return true;
             }
+
             return false;
           },
           getToken: function getToken() {
@@ -2383,9 +2548,9 @@ var svgEditorExtension_server_moinsave = (function () {
           getReflectedControlPoint: function getReflectedControlPoint() {
             if (this.previousCommand.toLowerCase() !== 'c' && this.previousCommand.toLowerCase() !== 's' && this.previousCommand.toLowerCase() !== 'q' && this.previousCommand.toLowerCase() !== 't') {
               return this.current;
-            }
+            } // reflect point
+
 
-            // reflect point
             var p = new svg.Point(2 * this.current.x - this.control.x, 2 * this.current.y - this.control.y);
             return p;
           },
@@ -2394,6 +2559,7 @@ var svgEditorExtension_server_moinsave = (function () {
               p.x += this.current.x;
               p.y += this.current.y;
             }
+
             return p;
           },
           addMarker: function addMarker(p, from, priorTo) {
@@ -2401,6 +2567,7 @@ var svgEditorExtension_server_moinsave = (function () {
             if (priorTo != null && this.angles.length > 0 && this.angles[this.angles.length - 1] == null) {
               this.angles[this.angles.length - 1] = this.points[this.points.length - 1].angleTo(priorTo);
             }
+
             this.addMarkerAngle(p, from == null ? null : from.angleTo(p));
           },
           addMarkerAngle: function addMarkerAngle(p, a) {
@@ -2421,22 +2588,24 @@ var svgEditorExtension_server_moinsave = (function () {
                 }
               }
             }
+
             return this.angles;
           }
         };
-        return _this17;
+        return _this9;
       }
 
-      createClass(_class14, [{
-        key: 'path',
+      _createClass(_class14, [{
+        key: "path",
         value: function path(ctx) {
           var pp = this.PathParser;
           pp.reset();
-
           var bb = new svg.BoundingBox();
           if (ctx != null) ctx.beginPath();
+
           while (!pp.isEnd()) {
             pp.nextCommand();
+
             switch (pp.command) {
               case 'M':
               case 'm':
@@ -2445,23 +2614,31 @@ var svgEditorExtension_server_moinsave = (function () {
                 bb.addPoint(p.x, p.y);
                 if (ctx != null) ctx.moveTo(p.x, p.y);
                 pp.start = pp.current;
+
                 while (!pp.isCommandOrEnd()) {
                   var _p = pp.getAsCurrentPoint();
+
                   pp.addMarker(_p, pp.start);
                   bb.addPoint(_p.x, _p.y);
                   if (ctx != null) ctx.lineTo(_p.x, _p.y);
                 }
+
                 break;
+
               case 'L':
               case 'l':
                 while (!pp.isCommandOrEnd()) {
-                  var _c = pp.current;
+                  var c = pp.current;
+
                   var _p2 = pp.getAsCurrentPoint();
-                  pp.addMarker(_p2, _c);
+
+                  pp.addMarker(_p2, c);
                   bb.addPoint(_p2.x, _p2.y);
                   if (ctx != null) ctx.lineTo(_p2.x, _p2.y);
                 }
+
                 break;
+
               case 'H':
               case 'h':
                 while (!pp.isCommandOrEnd()) {
@@ -2471,17 +2648,22 @@ var svgEditorExtension_server_moinsave = (function () {
                   bb.addPoint(pp.current.x, pp.current.y);
                   if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
                 }
+
                 break;
+
               case 'V':
               case 'v':
                 while (!pp.isCommandOrEnd()) {
                   var _newP = new svg.Point(pp.current.x, (pp.isRelativeCommand() ? pp.current.y : 0) + pp.getScalar());
+
                   pp.addMarker(_newP, pp.current);
                   pp.current = _newP;
                   bb.addPoint(pp.current.x, pp.current.y);
                   if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
                 }
+
                 break;
+
               case 'C':
               case 'c':
                 while (!pp.isCommandOrEnd()) {
@@ -2493,42 +2675,61 @@ var svgEditorExtension_server_moinsave = (function () {
                   bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
                   if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
                 }
+
                 break;
+
               case 'S':
               case 's':
                 while (!pp.isCommandOrEnd()) {
                   var _curr = pp.current;
+
                   var _p3 = pp.getReflectedControlPoint();
+
                   var _cntrl = pp.getAsControlPoint();
+
                   var _cp = pp.getAsCurrentPoint();
+
                   pp.addMarker(_cp, _cntrl, _p3);
                   bb.addBezierCurve(_curr.x, _curr.y, _p3.x, _p3.y, _cntrl.x, _cntrl.y, _cp.x, _cp.y);
                   if (ctx != null) ctx.bezierCurveTo(_p3.x, _p3.y, _cntrl.x, _cntrl.y, _cp.x, _cp.y);
                 }
+
                 break;
+
               case 'Q':
               case 'q':
                 while (!pp.isCommandOrEnd()) {
                   var _curr2 = pp.current;
+
                   var _cntrl2 = pp.getAsControlPoint();
+
                   var _cp2 = pp.getAsCurrentPoint();
+
                   pp.addMarker(_cp2, _cntrl2, _cntrl2);
                   bb.addQuadraticCurve(_curr2.x, _curr2.y, _cntrl2.x, _cntrl2.y, _cp2.x, _cp2.y);
                   if (ctx != null) ctx.quadraticCurveTo(_cntrl2.x, _cntrl2.y, _cp2.x, _cp2.y);
                 }
+
                 break;
+
               case 'T':
               case 't':
                 while (!pp.isCommandOrEnd()) {
                   var _curr3 = pp.current;
+
                   var _cntrl3 = pp.getReflectedControlPoint();
+
                   pp.control = _cntrl3;
+
                   var _cp3 = pp.getAsCurrentPoint();
+
                   pp.addMarker(_cp3, _cntrl3, _cntrl3);
                   bb.addQuadraticCurve(_curr3.x, _curr3.y, _cntrl3.x, _cntrl3.y, _cp3.x, _cp3.y);
                   if (ctx != null) ctx.quadraticCurveTo(_cntrl3.x, _cntrl3.y, _cp3.x, _cp3.y);
                 }
+
                 break;
+
               case 'A':
               case 'a':
                 var _loop2 = function _loop2() {
@@ -2538,59 +2739,61 @@ var svgEditorExtension_server_moinsave = (function () {
                   var xAxisRotation = pp.getScalar() * (Math.PI / 180.0);
                   var largeArcFlag = pp.getScalar();
                   var sweepFlag = pp.getScalar();
-                  var cp = pp.getAsCurrentPoint();
-
-                  // Conversion from endpoint to center parameterization
+                  var cp = pp.getAsCurrentPoint(); // Conversion from endpoint to center parameterization
                   // https://www.w3.org/TR/SVG11/implnote.html#ArcConversionEndpointToCenter
-
                   // x1', y1'
-                  var currp = new svg.Point(Math.cos(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.sin(xAxisRotation) * (curr.y - cp.y) / 2.0, -Math.sin(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.cos(xAxisRotation) * (curr.y - cp.y) / 2.0);
-                  // adjust radii
+
+                  var currp = new svg.Point(Math.cos(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.sin(xAxisRotation) * (curr.y - cp.y) / 2.0, -Math.sin(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.cos(xAxisRotation) * (curr.y - cp.y) / 2.0); // adjust radii
+
                   var l = Math.pow(currp.x, 2) / Math.pow(rx, 2) + Math.pow(currp.y, 2) / Math.pow(ry, 2);
+
                   if (l > 1) {
                     rx *= Math.sqrt(l);
                     ry *= Math.sqrt(l);
-                  }
-                  // cx', cy'
+                  } // cx', cy'
+
+
                   var s = (largeArcFlag === sweepFlag ? -1 : 1) * Math.sqrt((Math.pow(rx, 2) * Math.pow(ry, 2) - Math.pow(rx, 2) * Math.pow(currp.y, 2) - Math.pow(ry, 2) * Math.pow(currp.x, 2)) / (Math.pow(rx, 2) * Math.pow(currp.y, 2) + Math.pow(ry, 2) * Math.pow(currp.x, 2)));
                   if (isNaN(s)) s = 0;
-                  var cpp = new svg.Point(s * rx * currp.y / ry, s * -ry * currp.x / rx);
-                  // cx, cy
-                  var centp = new svg.Point((curr.x + cp.x) / 2.0 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y, (curr.y + cp.y) / 2.0 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y);
-                  // vector magnitude
+                  var cpp = new svg.Point(s * rx * currp.y / ry, s * -ry * currp.x / rx); // cx, cy
+
+                  var centp = new svg.Point((curr.x + cp.x) / 2.0 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y, (curr.y + cp.y) / 2.0 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y); // vector magnitude
+
                   var m = function m(v) {
                     return Math.sqrt(Math.pow(v[0], 2) + Math.pow(v[1], 2));
-                  };
-                  // ratio between two vectors
+                  }; // ratio between two vectors
+
+
                   var r = function r(u, v) {
                     return (u[0] * v[0] + u[1] * v[1]) / (m(u) * m(v));
-                  };
-                  // angle between two vectors
+                  }; // angle between two vectors
+
+
                   var a = function a(u, v) {
                     return (u[0] * v[1] < u[1] * v[0] ? -1 : 1) * Math.acos(r(u, v));
-                  };
-                  // initial angle
-                  var a1 = a([1, 0], [(currp.x - cpp.x) / rx, (currp.y - cpp.y) / ry]);
-                  // angle delta
+                  }; // initial angle
+
+
+                  var a1 = a([1, 0], [(currp.x - cpp.x) / rx, (currp.y - cpp.y) / ry]); // angle delta
+
                   var u = [(currp.x - cpp.x) / rx, (currp.y - cpp.y) / ry];
                   var v = [(-currp.x - cpp.x) / rx, (-currp.y - cpp.y) / ry];
                   var ad = a(u, v);
                   if (r(u, v) <= -1) ad = Math.PI;
-                  if (r(u, v) >= 1) ad = 0;
+                  if (r(u, v) >= 1) ad = 0; // for markers
 
-                  // for markers
                   var dir = 1 - sweepFlag ? 1.0 : -1.0;
                   var ah = a1 + dir * (ad / 2.0);
                   var halfWay = new svg.Point(centp.x + rx * Math.cos(ah), centp.y + ry * Math.sin(ah));
                   pp.addMarkerAngle(halfWay, ah - dir * Math.PI / 2);
                   pp.addMarkerAngle(cp, ah - dir * Math.PI);
-
                   bb.addPoint(cp.x, cp.y); // TODO: this is too naive, make it better
+
                   if (ctx != null) {
                     var _r = rx > ry ? rx : ry;
+
                     var sx = rx > ry ? 1 : rx / ry;
                     var sy = rx > ry ? ry / rx : 1;
-
                     ctx.translate(centp.x, centp.y);
                     ctx.rotate(xAxisRotation);
                     ctx.scale(sx, sy);
@@ -2604,7 +2807,9 @@ var svgEditorExtension_server_moinsave = (function () {
                 while (!pp.isCommandOrEnd()) {
                   _loop2();
                 }
+
                 break;
+
               case 'Z':
               case 'z':
                 if (ctx != null) ctx.closePath();
@@ -2615,51 +2820,54 @@ var svgEditorExtension_server_moinsave = (function () {
           return bb;
         }
       }, {
-        key: 'getMarkers',
+        key: "getMarkers",
         value: function getMarkers() {
           var points = this.PathParser.getMarkerPoints();
           var angles = this.PathParser.getMarkerAngles();
-
           var markers = points.map(function (point, i) {
             return [point, angles[i]];
           });
           return markers;
         }
       }]);
-      return _class14;
-    }(svg.Element.PathElementBase);
 
-    // pattern element
-    svg.Element.pattern = function (_svg$Element$ElementB2) {
-      inherits(_class15, _svg$Element$ElementB2);
+      return _class14;
+    }(svg.Element.PathElementBase); // pattern element
+
+
+    svg.Element.pattern =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB2) {
+      _inherits(_class15, _svg$Element$ElementB2);
 
       function _class15() {
-        classCallCheck(this, _class15);
-        return possibleConstructorReturn(this, (_class15.__proto__ || Object.getPrototypeOf(_class15)).apply(this, arguments));
+        _classCallCheck(this, _class15);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class15).apply(this, arguments));
       }
 
-      createClass(_class15, [{
-        key: 'createPattern',
+      _createClass(_class15, [{
+        key: "createPattern",
         value: function createPattern(ctx, element) {
           var width = this.attribute('width').toPixels('x', true);
-          var height = this.attribute('height').toPixels('y', true);
+          var height = this.attribute('height').toPixels('y', true); // render me using a temporary svg element
 
-          // render me using a temporary svg element
           var tempSvg = new svg.Element.svg();
           tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value);
           tempSvg.attributes['width'] = new svg.Property('width', width + 'px');
           tempSvg.attributes['height'] = new svg.Property('height', height + 'px');
           tempSvg.attributes['transform'] = new svg.Property('transform', this.attribute('patternTransform').value);
           tempSvg.children = this.children;
-
           var c = document.createElement('canvas');
           c.width = width;
           c.height = height;
           var cctx = c.getContext('2d');
+
           if (this.attribute('x').hasValue() && this.attribute('y').hasValue()) {
             cctx.translate(this.attribute('x').toPixels('x', true), this.attribute('y').toPixels('y', true));
-          }
-          // render 3x3 grid so when we transform there's no white space on edges
+          } // render 3x3 grid so when we transform there's no white space on edges
+
+
           for (var x = -1; x <= 1; x++) {
             for (var y = -1; y <= 1; y++) {
               cctx.save();
@@ -2668,31 +2876,35 @@ var svgEditorExtension_server_moinsave = (function () {
               cctx.restore();
             }
           }
+
           var pattern = ctx.createPattern(c, 'repeat');
           return pattern;
         }
       }]);
-      return _class15;
-    }(svg.Element.ElementBase);
 
-    // marker element
-    svg.Element.marker = function (_svg$Element$ElementB3) {
-      inherits(_class16, _svg$Element$ElementB3);
+      return _class15;
+    }(svg.Element.ElementBase); // marker element
+
+
+    svg.Element.marker =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB3) {
+      _inherits(_class16, _svg$Element$ElementB3);
 
       function _class16() {
-        classCallCheck(this, _class16);
-        return possibleConstructorReturn(this, (_class16.__proto__ || Object.getPrototypeOf(_class16)).apply(this, arguments));
+        _classCallCheck(this, _class16);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class16).apply(this, arguments));
       }
 
-      createClass(_class16, [{
-        key: 'render',
+      _createClass(_class16, [{
+        key: "render",
         value: function render(ctx, point, angle) {
           ctx.translate(point.x, point.y);
           if (this.attribute('orient').valueOrDefault('auto') === 'auto') ctx.rotate(angle);
           if (this.attribute('markerUnits').valueOrDefault('strokeWidth') === 'strokeWidth') ctx.scale(ctx.lineWidth, ctx.lineWidth);
-          ctx.save();
+          ctx.save(); // render me using a temporary svg element
 
-          // render me using a temporary svg element
           var tempSvg = new svg.Element.svg();
           tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value);
           tempSvg.attributes['refX'] = new svg.Property('refX', this.attribute('refX').value);
@@ -2703,61 +2915,67 @@ var svgEditorExtension_server_moinsave = (function () {
           tempSvg.attributes['stroke'] = new svg.Property('stroke', this.attribute('stroke').valueOrDefault('none'));
           tempSvg.children = this.children;
           tempSvg.render(ctx);
-
           ctx.restore();
           if (this.attribute('markerUnits').valueOrDefault('strokeWidth') === 'strokeWidth') ctx.scale(1 / ctx.lineWidth, 1 / ctx.lineWidth);
           if (this.attribute('orient').valueOrDefault('auto') === 'auto') ctx.rotate(-angle);
           ctx.translate(-point.x, -point.y);
         }
       }]);
-      return _class16;
-    }(svg.Element.ElementBase);
 
-    // definitions element
-    svg.Element.defs = function (_svg$Element$ElementB4) {
-      inherits(_class17, _svg$Element$ElementB4);
+      return _class16;
+    }(svg.Element.ElementBase); // definitions element
+
+
+    svg.Element.defs =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB4) {
+      _inherits(_class17, _svg$Element$ElementB4);
 
       function _class17() {
-        classCallCheck(this, _class17);
-        return possibleConstructorReturn(this, (_class17.__proto__ || Object.getPrototypeOf(_class17)).apply(this, arguments));
+        _classCallCheck(this, _class17);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class17).apply(this, arguments));
       }
 
-      createClass(_class17, [{
-        key: 'render',
-        value: function render(ctx) {
-          // NOOP
+      _createClass(_class17, [{
+        key: "render",
+        value: function render(ctx) {// NOOP
         }
       }]);
-      return _class17;
-    }(svg.Element.ElementBase);
 
-    // base for gradients
-    svg.Element.GradientBase = function (_svg$Element$ElementB5) {
-      inherits(_class18, _svg$Element$ElementB5);
+      return _class17;
+    }(svg.Element.ElementBase); // base for gradients
+
+
+    svg.Element.GradientBase =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB5) {
+      _inherits(_class18, _svg$Element$ElementB5);
 
       function _class18(node) {
-        classCallCheck(this, _class18);
+        var _this10;
 
-        var _this21 = possibleConstructorReturn(this, (_class18.__proto__ || Object.getPrototypeOf(_class18)).call(this, node));
+        _classCallCheck(this, _class18);
 
-        _this21.gradientUnits = _this21.attribute('gradientUnits').valueOrDefault('objectBoundingBox');
+        _this10 = _possibleConstructorReturn(this, _getPrototypeOf(_class18).call(this, node));
+        _this10.gradientUnits = _this10.attribute('gradientUnits').valueOrDefault('objectBoundingBox');
+        _this10.stops = [];
 
-        _this21.stops = [];
-        _this21.children.forEach(function (child) {
+        _this10.children.forEach(function (child) {
           if (child.type === 'stop') {
-            _this21.stops.push(child);
+            _this10.stops.push(child);
           }
         });
-        return _this21;
+
+        return _this10;
       }
 
-      createClass(_class18, [{
-        key: 'getGradient',
-        value: function getGradient() {
-          // OVERRIDE ME!
+      _createClass(_class18, [{
+        key: "getGradient",
+        value: function getGradient() {// OVERRIDE ME!
         }
       }, {
-        key: 'createGradient',
+        key: "createGradient",
         value: function createGradient(ctx, element, parentOpacityProp) {
           var stopsContainer = this.getHrefAttribute().hasValue() ? this.getHrefAttribute().getDefinition() : this;
 
@@ -2766,6 +2984,7 @@ var svgEditorExtension_server_moinsave = (function () {
               var p = new svg.Property('color', color);
               return p.addOpacity(parentOpacityProp).value;
             }
+
             return color;
           };
 
@@ -2774,57 +2993,56 @@ var svgEditorExtension_server_moinsave = (function () {
           stopsContainer.stops.forEach(function (_ref2) {
             var offset = _ref2.offset,
                 color = _ref2.color;
-
             g.addColorStop(offset, addParentOpacity(color));
           });
 
           if (this.attribute('gradientTransform').hasValue()) {
             // render as transformed pattern on temporary canvas
             var rootView = svg.ViewPort.viewPorts[0];
-
             var rect = new svg.Element.rect();
             rect.attributes['x'] = new svg.Property('x', -svg.MAX_VIRTUAL_PIXELS / 3.0);
             rect.attributes['y'] = new svg.Property('y', -svg.MAX_VIRTUAL_PIXELS / 3.0);
             rect.attributes['width'] = new svg.Property('width', svg.MAX_VIRTUAL_PIXELS);
             rect.attributes['height'] = new svg.Property('height', svg.MAX_VIRTUAL_PIXELS);
-
             var group = new svg.Element.g();
             group.attributes['transform'] = new svg.Property('transform', this.attribute('gradientTransform').value);
             group.children = [rect];
-
             var tempSvg = new svg.Element.svg();
             tempSvg.attributes['x'] = new svg.Property('x', 0);
             tempSvg.attributes['y'] = new svg.Property('y', 0);
             tempSvg.attributes['width'] = new svg.Property('width', rootView.width);
             tempSvg.attributes['height'] = new svg.Property('height', rootView.height);
             tempSvg.children = [group];
-
-            var _c2 = document.createElement('canvas');
-            _c2.width = rootView.width;
-            _c2.height = rootView.height;
-            var tempCtx = _c2.getContext('2d');
+            var c = document.createElement('canvas');
+            c.width = rootView.width;
+            c.height = rootView.height;
+            var tempCtx = c.getContext('2d');
             tempCtx.fillStyle = g;
             tempSvg.render(tempCtx);
-            return tempCtx.createPattern(_c2, 'no-repeat');
+            return tempCtx.createPattern(c, 'no-repeat');
           }
 
           return g;
         }
       }]);
-      return _class18;
-    }(svg.Element.ElementBase);
 
-    // linear gradient element
-    svg.Element.linearGradient = function (_svg$Element$Gradient) {
-      inherits(_class19, _svg$Element$Gradient);
+      return _class18;
+    }(svg.Element.ElementBase); // linear gradient element
+
+
+    svg.Element.linearGradient =
+    /*#__PURE__*/
+    function (_svg$Element$Gradient) {
+      _inherits(_class19, _svg$Element$Gradient);
 
       function _class19() {
-        classCallCheck(this, _class19);
-        return possibleConstructorReturn(this, (_class19.__proto__ || Object.getPrototypeOf(_class19)).apply(this, arguments));
+        _classCallCheck(this, _class19);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class19).apply(this, arguments));
       }
 
-      createClass(_class19, [{
-        key: 'getGradient',
+      _createClass(_class19, [{
+        key: "getGradient",
         value: function getGradient(ctx, element) {
           var useBB = this.gradientUnits === 'objectBoundingBox' && element.getBoundingBox;
           var bb = useBB ? element.getBoundingBox() : null;
@@ -2840,105 +3058,112 @@ var svgEditorExtension_server_moinsave = (function () {
           var y1 = useBB ? bb.y() + bb.height() * this.attribute('y1').numValue() : this.attribute('y1').toPixels('y');
           var x2 = useBB ? bb.x() + bb.width() * this.attribute('x2').numValue() : this.attribute('x2').toPixels('x');
           var y2 = useBB ? bb.y() + bb.height() * this.attribute('y2').numValue() : this.attribute('y2').toPixels('y');
-
           if (x1 === x2 && y1 === y2) return null;
           return ctx.createLinearGradient(x1, y1, x2, y2);
         }
       }]);
-      return _class19;
-    }(svg.Element.GradientBase);
 
-    // radial gradient element
-    svg.Element.radialGradient = function (_svg$Element$Gradient2) {
-      inherits(_class20, _svg$Element$Gradient2);
+      return _class19;
+    }(svg.Element.GradientBase); // radial gradient element
+
+
+    svg.Element.radialGradient =
+    /*#__PURE__*/
+    function (_svg$Element$Gradient2) {
+      _inherits(_class20, _svg$Element$Gradient2);
 
       function _class20() {
-        classCallCheck(this, _class20);
-        return possibleConstructorReturn(this, (_class20.__proto__ || Object.getPrototypeOf(_class20)).apply(this, arguments));
+        _classCallCheck(this, _class20);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class20).apply(this, arguments));
       }
 
-      createClass(_class20, [{
-        key: 'getGradient',
+      _createClass(_class20, [{
+        key: "getGradient",
         value: function getGradient(ctx, element) {
           var useBB = this.gradientUnits === 'objectBoundingBox' && element.getBoundingBox;
           var bb = useBB ? element.getBoundingBox() : null;
-
           if (!this.attribute('cx').hasValue()) this.attribute('cx', true).value = '50%';
           if (!this.attribute('cy').hasValue()) this.attribute('cy', true).value = '50%';
           if (!this.attribute('r').hasValue()) this.attribute('r', true).value = '50%';
-
           var cx = useBB ? bb.x() + bb.width() * this.attribute('cx').numValue() : this.attribute('cx').toPixels('x');
           var cy = useBB ? bb.y() + bb.height() * this.attribute('cy').numValue() : this.attribute('cy').toPixels('y');
-
           var fx = cx;
           var fy = cy;
+
           if (this.attribute('fx').hasValue()) {
             fx = useBB ? bb.x() + bb.width() * this.attribute('fx').numValue() : this.attribute('fx').toPixels('x');
           }
+
           if (this.attribute('fy').hasValue()) {
             fy = useBB ? bb.y() + bb.height() * this.attribute('fy').numValue() : this.attribute('fy').toPixels('y');
           }
 
           var r = useBB ? (bb.width() + bb.height()) / 2.0 * this.attribute('r').numValue() : this.attribute('r').toPixels();
-
           return ctx.createRadialGradient(fx, fy, 0, cx, cy, r);
         }
       }]);
-      return _class20;
-    }(svg.Element.GradientBase);
 
-    // gradient stop element
-    svg.Element.stop = function (_svg$Element$ElementB6) {
-      inherits(_class21, _svg$Element$ElementB6);
+      return _class20;
+    }(svg.Element.GradientBase); // gradient stop element
+
+
+    svg.Element.stop =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB6) {
+      _inherits(_class21, _svg$Element$ElementB6);
 
       function _class21(node) {
-        classCallCheck(this, _class21);
+        var _this11;
 
-        var _this24 = possibleConstructorReturn(this, (_class21.__proto__ || Object.getPrototypeOf(_class21)).call(this, node));
+        _classCallCheck(this, _class21);
 
-        _this24.offset = _this24.attribute('offset').numValue();
-        if (_this24.offset < 0) _this24.offset = 0;
-        if (_this24.offset > 1) _this24.offset = 1;
+        _this11 = _possibleConstructorReturn(this, _getPrototypeOf(_class21).call(this, node));
+        _this11.offset = _this11.attribute('offset').numValue();
+        if (_this11.offset < 0) _this11.offset = 0;
+        if (_this11.offset > 1) _this11.offset = 1;
 
-        var stopColor = _this24.style('stop-color');
-        if (_this24.style('stop-opacity').hasValue()) {
-          stopColor = stopColor.addOpacity(_this24.style('stop-opacity'));
+        var stopColor = _this11.style('stop-color');
+
+        if (_this11.style('stop-opacity').hasValue()) {
+          stopColor = stopColor.addOpacity(_this11.style('stop-opacity'));
         }
-        _this24.color = stopColor.value;
-        return _this24;
+
+        _this11.color = stopColor.value;
+        return _this11;
       }
 
       return _class21;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // animation base element
 
-    // animation base element
-    svg.Element.AnimateBase = function (_svg$Element$ElementB7) {
-      inherits(_class22, _svg$Element$ElementB7);
+
+    svg.Element.AnimateBase =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB7) {
+      _inherits(_class22, _svg$Element$ElementB7);
 
       function _class22(node) {
-        classCallCheck(this, _class22);
+        var _this12;
 
-        var _this25 = possibleConstructorReturn(this, (_class22.__proto__ || Object.getPrototypeOf(_class22)).call(this, node));
+        _classCallCheck(this, _class22);
 
-        svg.Animations.push(_this25);
-
-        _this25.duration = 0.0;
-        _this25.begin = _this25.attribute('begin').toMilliseconds();
-        _this25.maxDuration = _this25.begin + _this25.attribute('dur').toMilliseconds();
-
-        _this25.initialValue = null;
-        _this25.initialUnits = '';
-        _this25.removed = false;
-
-        _this25.from = _this25.attribute('from');
-        _this25.to = _this25.attribute('to');
-        _this25.values = _this25.attribute('values');
-        if (_this25.values.hasValue()) _this25.values.value = _this25.values.value.split(';');
-        return _this25;
+        _this12 = _possibleConstructorReturn(this, _getPrototypeOf(_class22).call(this, node));
+        svg.Animations.push(_assertThisInitialized(_assertThisInitialized(_this12)));
+        _this12.duration = 0.0;
+        _this12.begin = _this12.attribute('begin').toMilliseconds();
+        _this12.maxDuration = _this12.begin + _this12.attribute('dur').toMilliseconds();
+        _this12.initialValue = null;
+        _this12.initialUnits = '';
+        _this12.removed = false;
+        _this12.from = _this12.attribute('from');
+        _this12.to = _this12.attribute('to');
+        _this12.values = _this12.attribute('values');
+        if (_this12.values.hasValue()) _this12.values.value = _this12.values.value.split(';');
+        return _this12;
       }
 
-      createClass(_class22, [{
-        key: 'getProperty',
+      _createClass(_class22, [{
+        key: "getProperty",
         value: function getProperty() {
           var attributeType = this.attribute('attributeType').value;
           var attributeName = this.attribute('attributeName').value;
@@ -2946,24 +3171,25 @@ var svgEditorExtension_server_moinsave = (function () {
           if (attributeType === 'CSS') {
             return this.parent.style(attributeName, true);
           }
+
           return this.parent.attribute(attributeName, true);
         }
       }, {
-        key: 'calcValue',
+        key: "calcValue",
         value: function calcValue() {
           // OVERRIDE ME!
           return '';
         }
       }, {
-        key: 'update',
+        key: "update",
         value: function update(delta) {
           // set initial value
           if (this.initialValue == null) {
             this.initialValue = this.getProperty().value;
             this.initialUnits = this.getProperty().getUnits();
-          }
+          } // if we're past the end time
+
 
-          // if we're past the end time
           if (this.duration > this.maxDuration) {
             // loop for indefinitely repeating animations
             if (this.attribute('repeatCount').value === 'indefinite' || this.attribute('repeatDur').value === 'indefinite') {
@@ -2977,12 +3203,14 @@ var svgEditorExtension_server_moinsave = (function () {
               this.getProperty().value = this.parent.animationFrozen ? this.parent.animationFrozenValue : this.initialValue;
               return true;
             }
+
             return false;
           }
-          this.duration = this.duration + delta;
 
-          // if we're past the begin time
+          this.duration = this.duration + delta; // if we're past the begin time
+
           var updated = false;
+
           if (this.begin < this.duration) {
             var newValue = this.calcValue(); // tween
 
@@ -2997,14 +3225,15 @@ var svgEditorExtension_server_moinsave = (function () {
           }
 
           return updated;
-        }
-
-        // fraction of duration we've covered
+        } // fraction of duration we've covered
 
       }, {
-        key: 'progress',
+        key: "progress",
         value: function progress() {
-          var ret = { progress: (this.duration - this.begin) / (this.maxDuration - this.begin) };
+          var ret = {
+            progress: (this.duration - this.begin) / (this.maxDuration - this.begin)
+          };
+
           if (this.values.hasValue()) {
             var p = ret.progress * (this.values.value.length - 1);
             var lb = Math.floor(p),
@@ -3016,45 +3245,53 @@ var svgEditorExtension_server_moinsave = (function () {
             ret.from = this.from;
             ret.to = this.to;
           }
+
           return ret;
         }
       }]);
-      return _class22;
-    }(svg.Element.ElementBase);
 
-    // animate element
-    svg.Element.animate = function (_svg$Element$AnimateB) {
-      inherits(_class23, _svg$Element$AnimateB);
+      return _class22;
+    }(svg.Element.ElementBase); // animate element
+
+
+    svg.Element.animate =
+    /*#__PURE__*/
+    function (_svg$Element$AnimateB) {
+      _inherits(_class23, _svg$Element$AnimateB);
 
       function _class23() {
-        classCallCheck(this, _class23);
-        return possibleConstructorReturn(this, (_class23.__proto__ || Object.getPrototypeOf(_class23)).apply(this, arguments));
+        _classCallCheck(this, _class23);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class23).apply(this, arguments));
       }
 
-      createClass(_class23, [{
-        key: 'calcValue',
+      _createClass(_class23, [{
+        key: "calcValue",
         value: function calcValue() {
-          var p = this.progress();
+          var p = this.progress(); // tween value linearly
 
-          // tween value linearly
           var newValue = p.from.numValue() + (p.to.numValue() - p.from.numValue()) * p.progress;
           return newValue + this.initialUnits;
         }
       }]);
-      return _class23;
-    }(svg.Element.AnimateBase);
 
-    // animate color element
-    svg.Element.animateColor = function (_svg$Element$AnimateB2) {
-      inherits(_class24, _svg$Element$AnimateB2);
+      return _class23;
+    }(svg.Element.AnimateBase); // animate color element
+
+
+    svg.Element.animateColor =
+    /*#__PURE__*/
+    function (_svg$Element$AnimateB2) {
+      _inherits(_class24, _svg$Element$AnimateB2);
 
       function _class24() {
-        classCallCheck(this, _class24);
-        return possibleConstructorReturn(this, (_class24.__proto__ || Object.getPrototypeOf(_class24)).apply(this, arguments));
+        _classCallCheck(this, _class24);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class24).apply(this, arguments));
       }
 
-      createClass(_class24, [{
-        key: 'calcValue',
+      _createClass(_class24, [{
+        key: "calcValue",
         value: function calcValue() {
           var p = this.progress();
           var from = new RGBColor(p.from.value);
@@ -3062,32 +3299,36 @@ var svgEditorExtension_server_moinsave = (function () {
 
           if (from.ok && to.ok) {
             // tween color linearly
-            var _r2 = from.r + (to.r - from.r) * p.progress;
+            var r = from.r + (to.r - from.r) * p.progress;
             var g = from.g + (to.g - from.g) * p.progress;
-            var _b = from.b + (to.b - from.b) * p.progress;
-            return 'rgb(' + parseInt(_r2, 10) + ',' + parseInt(g, 10) + ',' + parseInt(_b, 10) + ')';
+            var b = from.b + (to.b - from.b) * p.progress;
+            return 'rgb(' + parseInt(r, 10) + ',' + parseInt(g, 10) + ',' + parseInt(b, 10) + ')';
           }
+
           return this.attribute('from').value;
         }
       }]);
-      return _class24;
-    }(svg.Element.AnimateBase);
 
-    // animate transform element
-    svg.Element.animateTransform = function (_svg$Element$animate) {
-      inherits(_class25, _svg$Element$animate);
+      return _class24;
+    }(svg.Element.AnimateBase); // animate transform element
+
+
+    svg.Element.animateTransform =
+    /*#__PURE__*/
+    function (_svg$Element$animate) {
+      _inherits(_class25, _svg$Element$animate);
 
       function _class25() {
-        classCallCheck(this, _class25);
-        return possibleConstructorReturn(this, (_class25.__proto__ || Object.getPrototypeOf(_class25)).apply(this, arguments));
+        _classCallCheck(this, _class25);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class25).apply(this, arguments));
       }
 
-      createClass(_class25, [{
-        key: 'calcValue',
+      _createClass(_class25, [{
+        key: "calcValue",
         value: function calcValue() {
-          var p = this.progress();
+          var p = this.progress(); // tween value linearly
 
-          // tween value linearly
           var from = svg.ToNumberArray(p.from.value);
           var to = svg.ToNumberArray(p.to.value);
           var newValue = '';
@@ -3097,124 +3338,144 @@ var svgEditorExtension_server_moinsave = (function () {
           return newValue;
         }
       }]);
-      return _class25;
-    }(svg.Element.animate);
 
-    // font element
-    svg.Element.font = function (_svg$Element$ElementB8) {
-      inherits(_class26, _svg$Element$ElementB8);
+      return _class25;
+    }(svg.Element.animate); // font element
+
+
+    svg.Element.font =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB8) {
+      _inherits(_class26, _svg$Element$ElementB8);
 
       function _class26(node) {
-        classCallCheck(this, _class26);
+        var _this13;
 
-        var _this29 = possibleConstructorReturn(this, (_class26.__proto__ || Object.getPrototypeOf(_class26)).call(this, node));
+        _classCallCheck(this, _class26);
 
-        _this29.horizAdvX = _this29.attribute('horiz-adv-x').numValue();
+        _this13 = _possibleConstructorReturn(this, _getPrototypeOf(_class26).call(this, node));
+        _this13.horizAdvX = _this13.attribute('horiz-adv-x').numValue();
+        _this13.isRTL = false;
+        _this13.isArabic = false;
+        _this13.fontFace = null;
+        _this13.missingGlyph = null;
+        _this13.glyphs = [];
 
-        _this29.isRTL = false;
-        _this29.isArabic = false;
-        _this29.fontFace = null;
-        _this29.missingGlyph = null;
-        _this29.glyphs = [];
-        _this29.children.forEach(function (child) {
+        _this13.children.forEach(function (child) {
           if (child.type === 'font-face') {
-            _this29.fontFace = child;
+            _this13.fontFace = child;
+
             if (child.style('font-family').hasValue()) {
-              svg.Definitions[child.style('font-family').value] = _this29;
+              svg.Definitions[child.style('font-family').value] = _assertThisInitialized(_assertThisInitialized(_this13));
             }
           } else if (child.type === 'missing-glyph') {
-            _this29.missingGlyph = child;
+            _this13.missingGlyph = child;
           } else if (child.type === 'glyph') {
             if (child.arabicForm !== '') {
-              _this29.isRTL = true;
-              _this29.isArabic = true;
-              if (typeof _this29.glyphs[child.unicode] === 'undefined') {
-                _this29.glyphs[child.unicode] = [];
+              _this13.isRTL = true;
+              _this13.isArabic = true;
+
+              if (typeof _this13.glyphs[child.unicode] === 'undefined') {
+                _this13.glyphs[child.unicode] = [];
               }
-              _this29.glyphs[child.unicode][child.arabicForm] = child;
+
+              _this13.glyphs[child.unicode][child.arabicForm] = child;
             } else {
-              _this29.glyphs[child.unicode] = child;
+              _this13.glyphs[child.unicode] = child;
             }
           }
         });
-        return _this29;
+
+        return _this13;
       }
 
       return _class26;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // font-face element
 
-    // font-face element
-    svg.Element.fontface = function (_svg$Element$ElementB9) {
-      inherits(_class27, _svg$Element$ElementB9);
+
+    svg.Element.fontface =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB9) {
+      _inherits(_class27, _svg$Element$ElementB9);
 
       function _class27(node) {
-        classCallCheck(this, _class27);
+        var _this14;
 
-        var _this30 = possibleConstructorReturn(this, (_class27.__proto__ || Object.getPrototypeOf(_class27)).call(this, node));
+        _classCallCheck(this, _class27);
 
-        _this30.ascent = _this30.attribute('ascent').value;
-        _this30.descent = _this30.attribute('descent').value;
-        _this30.unitsPerEm = _this30.attribute('units-per-em').numValue();
-        return _this30;
+        _this14 = _possibleConstructorReturn(this, _getPrototypeOf(_class27).call(this, node));
+        _this14.ascent = _this14.attribute('ascent').value;
+        _this14.descent = _this14.attribute('descent').value;
+        _this14.unitsPerEm = _this14.attribute('units-per-em').numValue();
+        return _this14;
       }
 
       return _class27;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // missing-glyph element
 
-    // missing-glyph element
-    svg.Element.missingglyph = function (_svg$Element$path) {
-      inherits(_class28, _svg$Element$path);
+
+    svg.Element.missingglyph =
+    /*#__PURE__*/
+    function (_svg$Element$path) {
+      _inherits(_class28, _svg$Element$path);
 
       function _class28(node) {
-        classCallCheck(this, _class28);
+        var _this15;
 
-        var _this31 = possibleConstructorReturn(this, (_class28.__proto__ || Object.getPrototypeOf(_class28)).call(this, node));
+        _classCallCheck(this, _class28);
 
-        _this31.horizAdvX = 0;
-        return _this31;
+        _this15 = _possibleConstructorReturn(this, _getPrototypeOf(_class28).call(this, node));
+        _this15.horizAdvX = 0;
+        return _this15;
       }
 
       return _class28;
-    }(svg.Element.path);
+    }(svg.Element.path); // glyph element
 
-    // glyph element
-    svg.Element.glyph = function (_svg$Element$path2) {
-      inherits(_class29, _svg$Element$path2);
+
+    svg.Element.glyph =
+    /*#__PURE__*/
+    function (_svg$Element$path2) {
+      _inherits(_class29, _svg$Element$path2);
 
       function _class29(node) {
-        classCallCheck(this, _class29);
+        var _this16;
 
-        var _this32 = possibleConstructorReturn(this, (_class29.__proto__ || Object.getPrototypeOf(_class29)).call(this, node));
+        _classCallCheck(this, _class29);
 
-        _this32.horizAdvX = _this32.attribute('horiz-adv-x').numValue();
-        _this32.unicode = _this32.attribute('unicode').value;
-        _this32.arabicForm = _this32.attribute('arabic-form').value;
-        return _this32;
+        _this16 = _possibleConstructorReturn(this, _getPrototypeOf(_class29).call(this, node));
+        _this16.horizAdvX = _this16.attribute('horiz-adv-x').numValue();
+        _this16.unicode = _this16.attribute('unicode').value;
+        _this16.arabicForm = _this16.attribute('arabic-form').value;
+        return _this16;
       }
 
       return _class29;
-    }(svg.Element.path);
+    }(svg.Element.path); // text element
 
-    // text element
-    svg.Element.text = function (_svg$Element$Rendered3) {
-      inherits(_class30, _svg$Element$Rendered3);
+
+    svg.Element.text =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered3) {
+      _inherits(_class30, _svg$Element$Rendered3);
 
       function _class30(node) {
-        classCallCheck(this, _class30);
-        return possibleConstructorReturn(this, (_class30.__proto__ || Object.getPrototypeOf(_class30)).call(this, node, true));
+        _classCallCheck(this, _class30);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class30).call(this, node, true));
       }
 
-      createClass(_class30, [{
-        key: 'setContext',
+      _createClass(_class30, [{
+        key: "setContext",
         value: function setContext(ctx) {
-          get(_class30.prototype.__proto__ || Object.getPrototypeOf(_class30.prototype), 'setContext', this).call(this, ctx);
+          _get(_getPrototypeOf(_class30.prototype), "setContext", this).call(this, ctx);
 
           var textBaseline = this.style('dominant-baseline').toTextBaseline();
           if (textBaseline == null) textBaseline = this.style('alignment-baseline').toTextBaseline();
           if (textBaseline != null) ctx.textBaseline = textBaseline;
         }
       }, {
-        key: 'getBoundingBox',
+        key: "getBoundingBox",
         value: function getBoundingBox() {
           var x = this.attribute('x').toPixels('x');
           var y = this.attribute('y').toPixels('y');
@@ -3222,36 +3483,42 @@ var svgEditorExtension_server_moinsave = (function () {
           return new svg.BoundingBox(x, y - fontSize, x + Math.floor(fontSize * 2.0 / 3.0) * this.children[0].getText().length, y);
         }
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
-          var _this34 = this;
+          var _this17 = this;
 
           this.x = this.attribute('x').toPixels('x');
           this.y = this.attribute('y').toPixels('y');
           this.x += this.getAnchorDelta(ctx, this, 0);
           this.children.forEach(function (child, i) {
-            _this34.renderChild(ctx, _this34, i);
+            _this17.renderChild(ctx, _this17, i);
           });
         }
       }, {
-        key: 'getAnchorDelta',
+        key: "getAnchorDelta",
         value: function getAnchorDelta(ctx, parent, startI) {
           var textAnchor = this.style('text-anchor').valueOrDefault('start');
+
           if (textAnchor !== 'start') {
             var width = 0;
+
             for (var i = startI; i < parent.children.length; i++) {
               var child = parent.children[i];
               if (i > startI && child.attribute('x').hasValue()) break; // new group
+
               width += child.measureTextRecursive(ctx);
             }
+
             return -1 * (textAnchor === 'end' ? width : width / 2.0);
           }
+
           return 0;
         }
       }, {
-        key: 'renderChild',
+        key: "renderChild",
         value: function renderChild(ctx, parent, i) {
           var child = parent.children[i];
+
           if (child.attribute('x').hasValue()) {
             child.x = child.attribute('x').toPixels('x') + this.getAnchorDelta(ctx, parent, i);
             if (child.attribute('dx').hasValue()) child.x += child.attribute('dx').toPixels('x');
@@ -3260,6 +3527,7 @@ var svgEditorExtension_server_moinsave = (function () {
             if (child.attribute('dx').hasValue()) this.x += child.attribute('dx').toPixels('x');
             child.x = this.x;
           }
+
           this.x = child.x + child.measureText(ctx);
 
           if (child.attribute('y').hasValue()) {
@@ -3270,8 +3538,8 @@ var svgEditorExtension_server_moinsave = (function () {
             if (child.attribute('dy').hasValue()) this.y += child.attribute('dy').toPixels('y');
             child.y = this.y;
           }
-          this.y = child.y;
 
+          this.y = child.y;
           child.render(ctx);
 
           for (var _i = 0; _i < child.children.length; _i++) {
@@ -3279,28 +3547,34 @@ var svgEditorExtension_server_moinsave = (function () {
           }
         }
       }]);
-      return _class30;
-    }(svg.Element.RenderedElementBase);
 
-    // text base
-    svg.Element.TextElementBase = function (_svg$Element$Rendered4) {
-      inherits(_class31, _svg$Element$Rendered4);
+      return _class30;
+    }(svg.Element.RenderedElementBase); // text base
+
+
+    svg.Element.TextElementBase =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered4) {
+      _inherits(_class31, _svg$Element$Rendered4);
 
       function _class31() {
-        classCallCheck(this, _class31);
-        return possibleConstructorReturn(this, (_class31.__proto__ || Object.getPrototypeOf(_class31)).apply(this, arguments));
+        _classCallCheck(this, _class31);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class31).apply(this, arguments));
       }
 
-      createClass(_class31, [{
-        key: 'getGlyph',
+      _createClass(_class31, [{
+        key: "getGlyph",
         value: function getGlyph(font, text, i) {
           var c = text[i];
           var glyph = null;
+
           if (font.isArabic) {
             var arabicForm = 'isolated';
             if ((i === 0 || text[i - 1] === ' ') && i < text.length - 2 && text[i + 1] !== ' ') arabicForm = 'terminal';
             if (i > 0 && text[i - 1] !== ' ' && i < text.length - 2 && text[i + 1] !== ' ') arabicForm = 'medial';
             if (i > 0 && text[i - 1] !== ' ' && (i === text.length - 1 || text[i + 1] === ' ')) arabicForm = 'initial';
+
             if (typeof font.glyphs[c] !== 'undefined') {
               glyph = font.glyphs[c][arabicForm];
               if (glyph == null && font.glyphs[c].type === 'glyph') glyph = font.glyphs[c];
@@ -3308,20 +3582,22 @@ var svgEditorExtension_server_moinsave = (function () {
           } else {
             glyph = font.glyphs[c];
           }
+
           if (glyph == null) glyph = font.missingGlyph;
           return glyph;
         }
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           var customFont = this.parent.style('font-family').getDefinition();
+
           if (customFont != null) {
             var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
             var fontStyle = this.parent.style('font-style').valueOrDefault(svg.Font.Parse(svg.ctx.font).fontStyle);
             var text = this.getText();
             if (customFont.isRTL) text = text.split('').reverse().join('');
-
             var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
+
             for (var i = 0; i < text.length; i++) {
               var glyph = this.getGlyph(customFont, text, i);
               var scale = fontSize / customFont.fontFace.unitsPerEm;
@@ -3335,12 +3611,13 @@ var svgEditorExtension_server_moinsave = (function () {
               ctx.lineWidth = lw;
               ctx.scale(1 / scale, -1 / scale);
               ctx.translate(-this.x, -this.y);
-
               this.x += fontSize * (glyph.horizAdvX || customFont.horizAdvX) / customFont.fontFace.unitsPerEm;
+
               if (typeof dx[i] !== 'undefined' && !isNaN(dx[i])) {
                 this.x += dx[i];
               }
             }
+
             return;
           }
 
@@ -3348,12 +3625,11 @@ var svgEditorExtension_server_moinsave = (function () {
           if (ctx.strokeStyle !== '') ctx.strokeText(svg.compressSpaces(this.getText()), this.x, this.y);
         }
       }, {
-        key: 'getText',
-        value: function getText() {
-          // OVERRIDE ME
+        key: "getText",
+        value: function getText() {// OVERRIDE ME
         }
       }, {
-        key: 'measureTextRecursive',
+        key: "measureTextRecursive",
         value: function measureTextRecursive(ctx) {
           var width = this.measureText(ctx);
           this.children.forEach(function (child) {
@@ -3362,28 +3638,31 @@ var svgEditorExtension_server_moinsave = (function () {
           return width;
         }
       }, {
-        key: 'measureText',
+        key: "measureText",
         value: function measureText(ctx) {
           var customFont = this.parent.style('font-family').getDefinition();
+
           if (customFont != null) {
             var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
             var measure = 0;
             var text = this.getText();
             if (customFont.isRTL) text = text.split('').reverse().join('');
             var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
+
             for (var i = 0; i < text.length; i++) {
               var glyph = this.getGlyph(customFont, text, i);
               measure += (glyph.horizAdvX || customFont.horizAdvX) * fontSize / customFont.fontFace.unitsPerEm;
+
               if (typeof dx[i] !== 'undefined' && !isNaN(dx[i])) {
                 measure += dx[i];
               }
             }
+
             return measure;
           }
 
           var textToMeasure = svg.compressSpaces(this.getText());
           if (!ctx.measureText) return textToMeasure.length * 10;
-
           ctx.save();
           this.setContext(ctx);
 
@@ -3394,81 +3673,96 @@ var svgEditorExtension_server_moinsave = (function () {
           return width;
         }
       }]);
-      return _class31;
-    }(svg.Element.RenderedElementBase);
 
-    // tspan
-    svg.Element.tspan = function (_svg$Element$TextElem) {
-      inherits(_class32, _svg$Element$TextElem);
+      return _class31;
+    }(svg.Element.RenderedElementBase); // tspan
+
+
+    svg.Element.tspan =
+    /*#__PURE__*/
+    function (_svg$Element$TextElem) {
+      _inherits(_class32, _svg$Element$TextElem);
 
       function _class32(node) {
-        classCallCheck(this, _class32);
+        var _this18;
 
-        var _this36 = possibleConstructorReturn(this, (_class32.__proto__ || Object.getPrototypeOf(_class32)).call(this, node, true));
+        _classCallCheck(this, _class32);
 
-        _this36.text = node.nodeValue || node.text || '';
-        return _this36;
+        _this18 = _possibleConstructorReturn(this, _getPrototypeOf(_class32).call(this, node, true));
+        _this18.text = node.nodeValue || node.text || '';
+        return _this18;
       }
 
-      createClass(_class32, [{
-        key: 'getText',
+      _createClass(_class32, [{
+        key: "getText",
         value: function getText() {
           return this.text;
         }
       }]);
-      return _class32;
-    }(svg.Element.TextElementBase);
 
-    // tref
-    svg.Element.tref = function (_svg$Element$TextElem2) {
-      inherits(_class33, _svg$Element$TextElem2);
+      return _class32;
+    }(svg.Element.TextElementBase); // tref
+
+
+    svg.Element.tref =
+    /*#__PURE__*/
+    function (_svg$Element$TextElem2) {
+      _inherits(_class33, _svg$Element$TextElem2);
 
       function _class33() {
-        classCallCheck(this, _class33);
-        return possibleConstructorReturn(this, (_class33.__proto__ || Object.getPrototypeOf(_class33)).apply(this, arguments));
+        _classCallCheck(this, _class33);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class33).apply(this, arguments));
       }
 
-      createClass(_class33, [{
-        key: 'getText',
+      _createClass(_class33, [{
+        key: "getText",
         value: function getText() {
           var element = this.getHrefAttribute().getDefinition();
           if (element != null) return element.children[0].getText();
         }
       }]);
-      return _class33;
-    }(svg.Element.TextElementBase);
 
-    // a element
-    svg.Element.a = function (_svg$Element$TextElem3) {
-      inherits(_class34, _svg$Element$TextElem3);
+      return _class33;
+    }(svg.Element.TextElementBase); // a element
+
+
+    svg.Element.a =
+    /*#__PURE__*/
+    function (_svg$Element$TextElem3) {
+      _inherits(_class34, _svg$Element$TextElem3);
 
       function _class34(node) {
-        classCallCheck(this, _class34);
+        var _this19;
 
-        var _this38 = possibleConstructorReturn(this, (_class34.__proto__ || Object.getPrototypeOf(_class34)).call(this, node));
+        _classCallCheck(this, _class34);
 
-        _this38.hasText = true;
-        [].concat(toConsumableArray(node.childNodes)).forEach(function (childNode) {
+        _this19 = _possibleConstructorReturn(this, _getPrototypeOf(_class34).call(this, node));
+        _this19.hasText = true;
+
+        _toConsumableArray(node.childNodes).forEach(function (childNode) {
           if (childNode.nodeType !== 3) {
-            _this38.hasText = false;
+            _this19.hasText = false;
           }
-        });
-        // this might contain text
-        _this38.text = _this38.hasText ? node.childNodes[0].nodeValue : '';
-        return _this38;
+        }); // this might contain text
+
+
+        _this19.text = _this19.hasText ? node.childNodes[0].nodeValue : '';
+        return _this19;
       }
 
-      createClass(_class34, [{
-        key: 'getText',
+      _createClass(_class34, [{
+        key: "getText",
         value: function getText() {
           return this.text;
         }
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           if (this.hasText) {
             // render as text element
-            get(_class34.prototype.__proto__ || Object.getPrototypeOf(_class34.prototype), 'renderChildren', this).call(this, ctx);
+            _get(_getPrototypeOf(_class34.prototype), "renderChildren", this).call(this, ctx);
+
             var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
             svg.Mouse.checkBoundingBox(this, new svg.BoundingBox(this.x, this.y - fontSize.toPixels('y'), this.x + this.measureText(ctx), this.y));
           } else {
@@ -3480,70 +3774,82 @@ var svgEditorExtension_server_moinsave = (function () {
           }
         }
       }, {
-        key: 'onclick',
+        key: "onclick",
         value: function onclick() {
           window.open(this.getHrefAttribute().value);
         }
       }, {
-        key: 'onmousemove',
+        key: "onmousemove",
         value: function onmousemove() {
           svg.ctx.canvas.style.cursor = 'pointer';
         }
       }]);
-      return _class34;
-    }(svg.Element.TextElementBase);
 
-    // image element
-    svg.Element.image = function (_svg$Element$Rendered5) {
-      inherits(_class35, _svg$Element$Rendered5);
+      return _class34;
+    }(svg.Element.TextElementBase); // image element
+
+
+    svg.Element.image =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered5) {
+      _inherits(_class35, _svg$Element$Rendered5);
 
       function _class35(node) {
-        classCallCheck(this, _class35);
+        var _this20;
 
-        var _this39 = possibleConstructorReturn(this, (_class35.__proto__ || Object.getPrototypeOf(_class35)).call(this, node));
+        _classCallCheck(this, _class35);
+
+        _this20 = _possibleConstructorReturn(this, _getPrototypeOf(_class35).call(this, node));
+
+        var href = _this20.getHrefAttribute().value;
 
-        var href = _this39.getHrefAttribute().value;
         if (href === '') {
-          return possibleConstructorReturn(_this39);
+          return _possibleConstructorReturn(_this20);
         }
-        _this39._isSvg = href.match(/\.svg$/);
 
-        svg.Images.push(_this39);
-        _this39.loaded = false;
-        if (!_this39._isSvg) {
-          _this39.img = document.createElement('img');
+        _this20._isSvg = href.match(/\.svg$/);
+        svg.Images.push(_assertThisInitialized(_assertThisInitialized(_this20)));
+        _this20.loaded = false;
+
+        if (!_this20._isSvg) {
+          _this20.img = document.createElement('img');
+
           if (svg.opts.useCORS === true) {
-            _this39.img.crossOrigin = 'Anonymous';
+            _this20.img.crossOrigin = 'Anonymous';
           }
-          var self = _this39;
-          _this39.img.onload = function () {
+
+          var self = _assertThisInitialized(_assertThisInitialized(_this20));
+
+          _this20.img.onload = function () {
             self.loaded = true;
           };
-          _this39.img.onerror = function () {
+
+          _this20.img.onerror = function () {
             svg.log('ERROR: image "' + href + '" not found');
             self.loaded = true;
           };
-          _this39.img.src = href;
+
+          _this20.img.src = href;
         } else {
           svg.ajax(href, true).then(function (img) {
-            _this39.img = img;
-            _this39.loaded = true;
+            _this20.img = img;
+            _this20.loaded = true;
           });
         }
-        return _this39;
+
+        return _this20;
       }
 
-      createClass(_class35, [{
-        key: 'renderChildren',
+      _createClass(_class35, [{
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           var x = this.attribute('x').toPixels('x');
           var y = this.attribute('y').toPixels('y');
-
           var width = this.attribute('width').toPixels('x');
           var height = this.attribute('height').toPixels('y');
           if (width === 0 || height === 0) return;
-
           ctx.save();
+
           if (this._isSvg) {
             ctx.drawSvg(this.img, x, y, width, height);
           } else {
@@ -3551,10 +3857,11 @@ var svgEditorExtension_server_moinsave = (function () {
             svg.AspectRatio(ctx, this.attribute('preserveAspectRatio').value, width, this.img.width, height, this.img.height, 0, 0);
             ctx.drawImage(this.img, 0, 0);
           }
+
           ctx.restore();
         }
       }, {
-        key: 'getBoundingBox',
+        key: "getBoundingBox",
         value: function getBoundingBox() {
           var x = this.attribute('x').toPixels('x');
           var y = this.attribute('y').toPixels('y');
@@ -3563,20 +3870,24 @@ var svgEditorExtension_server_moinsave = (function () {
           return new svg.BoundingBox(x, y, x + width, y + height);
         }
       }]);
-      return _class35;
-    }(svg.Element.RenderedElementBase);
 
-    // group element
-    svg.Element.g = function (_svg$Element$Rendered6) {
-      inherits(_class36, _svg$Element$Rendered6);
+      return _class35;
+    }(svg.Element.RenderedElementBase); // group element
+
+
+    svg.Element.g =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered6) {
+      _inherits(_class36, _svg$Element$Rendered6);
 
       function _class36() {
-        classCallCheck(this, _class36);
-        return possibleConstructorReturn(this, (_class36.__proto__ || Object.getPrototypeOf(_class36)).apply(this, arguments));
+        _classCallCheck(this, _class36);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class36).apply(this, arguments));
       }
 
-      createClass(_class36, [{
-        key: 'getBoundingBox',
+      _createClass(_class36, [{
+        key: "getBoundingBox",
         value: function getBoundingBox() {
           var bb = new svg.BoundingBox();
           this.children.forEach(function (child) {
@@ -3585,50 +3896,60 @@ var svgEditorExtension_server_moinsave = (function () {
           return bb;
         }
       }]);
-      return _class36;
-    }(svg.Element.RenderedElementBase);
 
-    // symbol element
-    svg.Element.symbol = function (_svg$Element$Rendered7) {
-      inherits(_class37, _svg$Element$Rendered7);
+      return _class36;
+    }(svg.Element.RenderedElementBase); // symbol element
+
+
+    svg.Element.symbol =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered7) {
+      _inherits(_class37, _svg$Element$Rendered7);
 
       function _class37() {
-        classCallCheck(this, _class37);
-        return possibleConstructorReturn(this, (_class37.__proto__ || Object.getPrototypeOf(_class37)).apply(this, arguments));
+        _classCallCheck(this, _class37);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class37).apply(this, arguments));
       }
 
-      createClass(_class37, [{
-        key: 'render',
-        value: function render(ctx) {
-          // NO RENDER
+      _createClass(_class37, [{
+        key: "render",
+        value: function render(ctx) {// NO RENDER
         }
       }]);
-      return _class37;
-    }(svg.Element.RenderedElementBase);
 
-    // style element
-    svg.Element.style = function (_svg$Element$ElementB10) {
-      inherits(_class38, _svg$Element$ElementB10);
+      return _class37;
+    }(svg.Element.RenderedElementBase); // style element
+
+
+    svg.Element.style =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB10) {
+      _inherits(_class38, _svg$Element$ElementB10);
 
       function _class38(node) {
-        classCallCheck(this, _class38);
+        var _this21;
 
-        // text, or spaces then CDATA
-        var _this42 = possibleConstructorReturn(this, (_class38.__proto__ || Object.getPrototypeOf(_class38)).call(this, node));
+        _classCallCheck(this, _class38);
+
+        _this21 = _possibleConstructorReturn(this, _getPrototypeOf(_class38).call(this, node)); // text, or spaces then CDATA
 
         var css = '';
-        [].concat(toConsumableArray(node.childNodes)).forEach(function (_ref3) {
-          var nodeValue = _ref3.nodeValue;
 
+        _toConsumableArray(node.childNodes).forEach(function (_ref3) {
+          var nodeValue = _ref3.nodeValue;
           css += nodeValue;
         });
+
         css = css.replace(/(\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/)|(^[\s]*\/\/.*)/gm, ''); // remove comments
+
         css = svg.compressSpaces(css); // replace whitespace
+
         var cssDefs = css.split('}');
         cssDefs.forEach(function (cssDef) {
           if (svg.trim(cssDef) !== '') {
             var _cssDef$split = cssDef.split('{'),
-                _cssDef$split2 = slicedToArray(_cssDef$split, 2),
+                _cssDef$split2 = _slicedToArray(_cssDef$split, 2),
                 cssClasses = _cssDef$split2[0],
                 cssProps = _cssDef$split2[1];
 
@@ -3636,17 +3957,20 @@ var svgEditorExtension_server_moinsave = (function () {
             cssProps = cssProps.split(';');
             cssClasses.forEach(function (cssClass) {
               cssClass = svg.trim(cssClass);
+
               if (cssClass !== '') {
                 var props = {};
                 cssProps.forEach(function (cssProp) {
                   var prop = cssProp.indexOf(':');
                   var name = cssProp.substr(0, prop);
                   var value = cssProp.substr(prop + 1, cssProp.length - prop);
+
                   if (name != null && value != null) {
                     props[svg.trim(name)] = new svg.Property(svg.trim(name), svg.trim(value));
                   }
                 });
                 svg.Styles[cssClass] = props;
+
                 if (cssClass === '@font-face') {
                   var fontFamily = props['font-family'].value.replace(/"/g, '');
                   var srcs = props['src'].value.split(',');
@@ -3654,11 +3978,12 @@ var svgEditorExtension_server_moinsave = (function () {
                     if (src.includes('format("svg")')) {
                       var urlStart = src.indexOf('url');
                       var urlEnd = src.indexOf(')', urlStart);
-                      var url = src.substr(urlStart + 5, urlEnd - urlStart - 6);
-                      // Can this ajax safely be converted to async?
+                      var url = src.substr(urlStart + 5, urlEnd - urlStart - 6); // Can this ajax safely be converted to async?
+
                       var doc = svg.parseXml(svg.ajax(url));
                       var fonts = doc.getElementsByTagName('font');
-                      [].concat(toConsumableArray(fonts)).forEach(function (font) {
+
+                      _toConsumableArray(fonts).forEach(function (font) {
                         font = svg.CreateElement(font);
                         svg.Definitions[fontFamily] = font;
                       });
@@ -3669,53 +3994,56 @@ var svgEditorExtension_server_moinsave = (function () {
             });
           }
         });
-        return _this42;
+        return _this21;
       }
 
       return _class38;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // use element
 
-    // use element
-    svg.Element.use = function (_svg$Element$Rendered8) {
-      inherits(_class39, _svg$Element$Rendered8);
+
+    svg.Element.use =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered8) {
+      _inherits(_class39, _svg$Element$Rendered8);
 
       function _class39(node) {
-        classCallCheck(this, _class39);
+        var _this22;
 
-        var _this43 = possibleConstructorReturn(this, (_class39.__proto__ || Object.getPrototypeOf(_class39)).call(this, node));
+        _classCallCheck(this, _class39);
 
-        _this43._el = _this43.getHrefAttribute().getDefinition();
-        return _this43;
+        _this22 = _possibleConstructorReturn(this, _getPrototypeOf(_class39).call(this, node));
+        _this22._el = _this22.getHrefAttribute().getDefinition();
+        return _this22;
       }
 
-      createClass(_class39, [{
-        key: 'setContext',
+      _createClass(_class39, [{
+        key: "setContext",
         value: function setContext(ctx) {
-          get(_class39.prototype.__proto__ || Object.getPrototypeOf(_class39.prototype), 'setContext', this).call(this, ctx);
+          _get(_getPrototypeOf(_class39.prototype), "setContext", this).call(this, ctx);
+
           if (this.attribute('x').hasValue()) ctx.translate(this.attribute('x').toPixels('x'), 0);
           if (this.attribute('y').hasValue()) ctx.translate(0, this.attribute('y').toPixels('y'));
         }
       }, {
-        key: 'path',
+        key: "path",
         value: function path(ctx) {
           var element = this._el;
-
           if (element != null) element.path(ctx);
         }
       }, {
-        key: 'getBoundingBox',
+        key: "getBoundingBox",
         value: function getBoundingBox() {
           var element = this._el;
-
           if (element != null) return element.getBoundingBox();
         }
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           var element = this._el;
 
           if (element != null) {
             var tempSvg = element;
+
             if (element.type === 'symbol') {
               // render me using a temporary svg element in symbol cases (https://www.w3.org/TR/SVG/struct.html#UseElement)
               tempSvg = new svg.Element.svg();
@@ -3725,11 +4053,13 @@ var svgEditorExtension_server_moinsave = (function () {
               tempSvg.attributes['overflow'] = new svg.Property('overflow', element.attribute('overflow').value);
               tempSvg.children = element.children;
             }
+
             if (tempSvg.type === 'svg') {
               // if symbol or svg, inherit width/height from me
               if (this.attribute('width').hasValue()) tempSvg.attributes['width'] = new svg.Property('width', this.attribute('width').value);
               if (this.attribute('height').hasValue()) tempSvg.attributes['height'] = new svg.Property('height', this.attribute('height').value);
             }
+
             var oldParent = tempSvg.parent;
             tempSvg.parent = null;
             tempSvg.render(ctx);
@@ -3737,20 +4067,24 @@ var svgEditorExtension_server_moinsave = (function () {
           }
         }
       }]);
-      return _class39;
-    }(svg.Element.RenderedElementBase);
 
-    // mask element
-    svg.Element.mask = function (_svg$Element$ElementB11) {
-      inherits(_class40, _svg$Element$ElementB11);
+      return _class39;
+    }(svg.Element.RenderedElementBase); // mask element
+
+
+    svg.Element.mask =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB11) {
+      _inherits(_class40, _svg$Element$ElementB11);
 
       function _class40() {
-        classCallCheck(this, _class40);
-        return possibleConstructorReturn(this, (_class40.__proto__ || Object.getPrototypeOf(_class40)).apply(this, arguments));
+        _classCallCheck(this, _class40);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class40).apply(this, arguments));
       }
 
-      createClass(_class40, [{
-        key: 'apply',
+      _createClass(_class40, [{
+        key: "apply",
         value: function apply(ctx, element) {
           // render as temp svg
           var x = this.attribute('x').toPixels('x');
@@ -3767,18 +4101,16 @@ var svgEditorExtension_server_moinsave = (function () {
             y = Math.floor(bb.y1);
             width = Math.floor(bb.width());
             height = Math.floor(bb.height());
-          }
+          } // temporarily remove mask to avoid recursion
+
 
-          // temporarily remove mask to avoid recursion
           var mask = element.attribute('mask').value;
           element.attribute('mask').value = '';
-
           var cMask = document.createElement('canvas');
           cMask.width = x + width;
           cMask.height = y + height;
           var maskCtx = cMask.getContext('2d');
           this.renderChildren(maskCtx);
-
           var c = document.createElement('canvas');
           c.width = x + width;
           c.height = y + height;
@@ -3787,43 +4119,47 @@ var svgEditorExtension_server_moinsave = (function () {
           tempCtx.globalCompositeOperation = 'destination-in';
           tempCtx.fillStyle = maskCtx.createPattern(cMask, 'no-repeat');
           tempCtx.fillRect(0, 0, x + width, y + height);
-
           ctx.fillStyle = tempCtx.createPattern(c, 'no-repeat');
-          ctx.fillRect(0, 0, x + width, y + height);
+          ctx.fillRect(0, 0, x + width, y + height); // reassign mask
 
-          // reassign mask
           element.attribute('mask').value = mask;
         }
       }, {
-        key: 'render',
-        value: function render(ctx) {
-          // NO RENDER
+        key: "render",
+        value: function render(ctx) {// NO RENDER
         }
       }]);
-      return _class40;
-    }(svg.Element.ElementBase);
 
-    // clip element
-    svg.Element.clipPath = function (_svg$Element$ElementB12) {
-      inherits(_class41, _svg$Element$ElementB12);
+      return _class40;
+    }(svg.Element.ElementBase); // clip element
+
+
+    svg.Element.clipPath =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB12) {
+      _inherits(_class41, _svg$Element$ElementB12);
 
       function _class41() {
-        classCallCheck(this, _class41);
-        return possibleConstructorReturn(this, (_class41.__proto__ || Object.getPrototypeOf(_class41)).apply(this, arguments));
+        _classCallCheck(this, _class41);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class41).apply(this, arguments));
       }
 
-      createClass(_class41, [{
-        key: 'apply',
+      _createClass(_class41, [{
+        key: "apply",
         value: function apply(ctx) {
           this.children.forEach(function (child) {
             if (typeof child.path !== 'undefined') {
               var transform = null;
+
               if (child.attribute('transform').hasValue()) {
                 transform = new svg.Transform(child.attribute('transform').value);
                 transform.apply(ctx);
               }
+
               child.path(ctx);
               ctx.clip();
+
               if (transform) {
                 transform.unapply(ctx);
               }
@@ -3831,37 +4167,38 @@ var svgEditorExtension_server_moinsave = (function () {
           });
         }
       }, {
-        key: 'render',
-        value: function render(ctx) {
-          // NO RENDER
+        key: "render",
+        value: function render(ctx) {// NO RENDER
         }
       }]);
-      return _class41;
-    }(svg.Element.ElementBase);
 
-    // filters
-    svg.Element.filter = function (_svg$Element$ElementB13) {
-      inherits(_class42, _svg$Element$ElementB13);
+      return _class41;
+    }(svg.Element.ElementBase); // filters
+
+
+    svg.Element.filter =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB13) {
+      _inherits(_class42, _svg$Element$ElementB13);
 
       function _class42() {
-        classCallCheck(this, _class42);
-        return possibleConstructorReturn(this, (_class42.__proto__ || Object.getPrototypeOf(_class42)).apply(this, arguments));
+        _classCallCheck(this, _class42);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class42).apply(this, arguments));
       }
 
-      createClass(_class42, [{
-        key: 'apply',
+      _createClass(_class42, [{
+        key: "apply",
         value: function apply(ctx, element) {
           // render as temp svg
           var bb = element.getBoundingBox();
           var x = Math.floor(bb.x1);
           var y = Math.floor(bb.y1);
           var width = Math.floor(bb.width());
-          var height = Math.floor(bb.height());
+          var height = Math.floor(bb.height()); // temporarily remove filter to avoid recursion
 
-          // temporarily remove filter to avoid recursion
           var filter = element.style('filter').value;
           element.style('filter').value = '';
-
           var px = 0,
               py = 0;
           this.children.forEach(function (child) {
@@ -3869,65 +4206,67 @@ var svgEditorExtension_server_moinsave = (function () {
             px = Math.max(px, efd);
             py = Math.max(py, efd);
           });
-
           var c = document.createElement('canvas');
           c.width = width + 2 * px;
           c.height = height + 2 * py;
           var tempCtx = c.getContext('2d');
           tempCtx.translate(-x + px, -y + py);
-          element.render(tempCtx);
+          element.render(tempCtx); // apply filters
 
-          // apply filters
           this.children.forEach(function (child) {
             child.apply(tempCtx, 0, 0, width + 2 * px, height + 2 * py);
-          });
+          }); // render on me
 
-          // render on me
-          ctx.drawImage(c, 0, 0, width + 2 * px, height + 2 * py, x - px, y - py, width + 2 * px, height + 2 * py);
+          ctx.drawImage(c, 0, 0, width + 2 * px, height + 2 * py, x - px, y - py, width + 2 * px, height + 2 * py); // reassign filter
 
-          // reassign filter
           element.style('filter', true).value = filter;
         }
       }, {
-        key: 'render',
-        value: function render(ctx) {
-          // NO RENDER
+        key: "render",
+        value: function render(ctx) {// NO RENDER
         }
       }]);
+
       return _class42;
     }(svg.Element.ElementBase);
 
-    svg.Element.feMorphology = function (_svg$Element$ElementB14) {
-      inherits(_class43, _svg$Element$ElementB14);
+    svg.Element.feMorphology =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB14) {
+      _inherits(_class43, _svg$Element$ElementB14);
 
       function _class43() {
-        classCallCheck(this, _class43);
-        return possibleConstructorReturn(this, (_class43.__proto__ || Object.getPrototypeOf(_class43)).apply(this, arguments));
+        _classCallCheck(this, _class43);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class43).apply(this, arguments));
       }
 
-      createClass(_class43, [{
-        key: 'apply',
-        value: function apply(ctx, x, y, width, height) {
-          // TODO: implement
+      _createClass(_class43, [{
+        key: "apply",
+        value: function apply(ctx, x, y, width, height) {// TODO: implement
         }
       }]);
+
       return _class43;
     }(svg.Element.ElementBase);
 
-    svg.Element.feComposite = function (_svg$Element$ElementB15) {
-      inherits(_class44, _svg$Element$ElementB15);
+    svg.Element.feComposite =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB15) {
+      _inherits(_class44, _svg$Element$ElementB15);
 
       function _class44() {
-        classCallCheck(this, _class44);
-        return possibleConstructorReturn(this, (_class44.__proto__ || Object.getPrototypeOf(_class44)).apply(this, arguments));
+        _classCallCheck(this, _class44);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class44).apply(this, arguments));
       }
 
-      createClass(_class44, [{
-        key: 'apply',
-        value: function apply(ctx, x, y, width, height) {
-          // TODO: implement
+      _createClass(_class44, [{
+        key: "apply",
+        value: function apply(ctx, x, y, width, height) {// TODO: implement
         }
       }]);
+
       return _class44;
     }(svg.Element.ElementBase);
 
@@ -3939,89 +4278,105 @@ var svgEditorExtension_server_moinsave = (function () {
       img[y * width * 4 + x * 4 + rgba] = val;
     }
 
-    svg.Element.feColorMatrix = function (_svg$Element$ElementB16) {
-      inherits(_class45, _svg$Element$ElementB16);
+    svg.Element.feColorMatrix =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB16) {
+      _inherits(_class45, _svg$Element$ElementB16);
 
       function _class45(node) {
-        classCallCheck(this, _class45);
+        var _this23;
 
-        var _this49 = possibleConstructorReturn(this, (_class45.__proto__ || Object.getPrototypeOf(_class45)).call(this, node));
+        _classCallCheck(this, _class45);
 
-        var matrix = svg.ToNumberArray(_this49.attribute('values').value);
-        switch (_this49.attribute('type').valueOrDefault('matrix')) {// https://www.w3.org/TR/SVG/filters.html#feColorMatrixElement
+        _this23 = _possibleConstructorReturn(this, _getPrototypeOf(_class45).call(this, node));
+        var matrix = svg.ToNumberArray(_this23.attribute('values').value);
+
+        switch (_this23.attribute('type').valueOrDefault('matrix')) {
+          // https://www.w3.org/TR/SVG/filters.html#feColorMatrixElement
           case 'saturate':
             var s = matrix[0];
             matrix = [0.213 + 0.787 * s, 0.715 - 0.715 * s, 0.072 - 0.072 * s, 0, 0, 0.213 - 0.213 * s, 0.715 + 0.285 * s, 0.072 - 0.072 * s, 0, 0, 0.213 - 0.213 * s, 0.715 - 0.715 * s, 0.072 + 0.928 * s, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1];
             break;
+
           case 'hueRotate':
             var a = matrix[0] * Math.PI / 180.0;
-            var _c3 = function _c3(m1, m2, m3) {
+
+            var c = function c(m1, m2, m3) {
               return m1 + Math.cos(a) * m2 + Math.sin(a) * m3;
             };
-            matrix = [_c3(0.213, 0.787, -0.213), _c3(0.715, -0.715, -0.715), _c3(0.072, -0.072, 0.928), 0, 0, _c3(0.213, -0.213, 0.143), _c3(0.715, 0.285, 0.140), _c3(0.072, -0.072, -0.283), 0, 0, _c3(0.213, -0.213, -0.787), _c3(0.715, -0.715, 0.715), _c3(0.072, 0.928, 0.072), 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1];
+
+            matrix = [c(0.213, 0.787, -0.213), c(0.715, -0.715, -0.715), c(0.072, -0.072, 0.928), 0, 0, c(0.213, -0.213, 0.143), c(0.715, 0.285, 0.140), c(0.072, -0.072, -0.283), 0, 0, c(0.213, -0.213, -0.787), c(0.715, -0.715, 0.715), c(0.072, 0.928, 0.072), 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1];
             break;
+
           case 'luminanceToAlpha':
             matrix = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0.2125, 0.7154, 0.0721, 0, 0, 0, 0, 0, 0, 1];
             break;
         }
-        _this49.matrix = matrix;
 
-        _this49._m = function (i, v) {
+        _this23.matrix = matrix;
+
+        _this23._m = function (i, v) {
           var mi = matrix[i];
           return mi * (mi < 0 ? v - 255 : v);
         };
-        return _this49;
+
+        return _this23;
       }
 
-      createClass(_class45, [{
-        key: 'apply',
+      _createClass(_class45, [{
+        key: "apply",
         value: function apply(ctx, x, y, width, height) {
-          var m = this._m;
-          // assuming x==0 && y==0 for now
+          var m = this._m; // assuming x==0 && y==0 for now
 
           var srcData = ctx.getImageData(0, 0, width, height);
+
           for (var _y2 = 0; _y2 < height; _y2++) {
             for (var _x2 = 0; _x2 < width; _x2++) {
-              var _r3 = imGet(srcData.data, _x2, _y2, width, height, 0);
+              var r = imGet(srcData.data, _x2, _y2, width, height, 0);
               var g = imGet(srcData.data, _x2, _y2, width, height, 1);
-              var _b2 = imGet(srcData.data, _x2, _y2, width, height, 2);
+              var b = imGet(srcData.data, _x2, _y2, width, height, 2);
               var a = imGet(srcData.data, _x2, _y2, width, height, 3);
-              imSet(srcData.data, _x2, _y2, width, height, 0, m(0, _r3) + m(1, g) + m(2, _b2) + m(3, a) + m(4, 1));
-              imSet(srcData.data, _x2, _y2, width, height, 1, m(5, _r3) + m(6, g) + m(7, _b2) + m(8, a) + m(9, 1));
-              imSet(srcData.data, _x2, _y2, width, height, 2, m(10, _r3) + m(11, g) + m(12, _b2) + m(13, a) + m(14, 1));
-              imSet(srcData.data, _x2, _y2, width, height, 3, m(15, _r3) + m(16, g) + m(17, _b2) + m(18, a) + m(19, 1));
+              imSet(srcData.data, _x2, _y2, width, height, 0, m(0, r) + m(1, g) + m(2, b) + m(3, a) + m(4, 1));
+              imSet(srcData.data, _x2, _y2, width, height, 1, m(5, r) + m(6, g) + m(7, b) + m(8, a) + m(9, 1));
+              imSet(srcData.data, _x2, _y2, width, height, 2, m(10, r) + m(11, g) + m(12, b) + m(13, a) + m(14, 1));
+              imSet(srcData.data, _x2, _y2, width, height, 3, m(15, r) + m(16, g) + m(17, b) + m(18, a) + m(19, 1));
             }
           }
+
           ctx.clearRect(0, 0, width, height);
           ctx.putImageData(srcData, 0, 0);
         }
       }]);
+
       return _class45;
     }(svg.Element.ElementBase);
 
-    svg.Element.feGaussianBlur = function (_svg$Element$ElementB17) {
-      inherits(_class46, _svg$Element$ElementB17);
+    svg.Element.feGaussianBlur =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB17) {
+      _inherits(_class46, _svg$Element$ElementB17);
 
       function _class46(node) {
-        classCallCheck(this, _class46);
+        var _this24;
 
-        var _this50 = possibleConstructorReturn(this, (_class46.__proto__ || Object.getPrototypeOf(_class46)).call(this, node));
+        _classCallCheck(this, _class46);
 
-        _this50.blurRadius = Math.floor(_this50.attribute('stdDeviation').numValue());
-        _this50.extraFilterDistance = _this50.blurRadius;
-        return _this50;
+        _this24 = _possibleConstructorReturn(this, _getPrototypeOf(_class46).call(this, node));
+        _this24.blurRadius = Math.floor(_this24.attribute('stdDeviation').numValue());
+        _this24.extraFilterDistance = _this24.blurRadius;
+        return _this24;
       }
 
-      createClass(_class46, [{
-        key: 'apply',
+      _createClass(_class46, [{
+        key: "apply",
         value: function apply(ctx, x, y, width, height) {
           if (typeof canvasRGBA_ === 'undefined') {
             svg.log('ERROR: `setStackBlurCanvasRGBA` must be run for blur to work');
             return;
-          }
-
-          // Todo: This might not be a problem anymore with out `instanceof` fix
+          } // Todo: This might not be a problem anymore with out `instanceof` fix
           // StackBlur requires canvas be on document
+
+
           ctx.canvas.id = svg.UniqueId();
           ctx.canvas.style.display = 'none';
           document.body.append(ctx.canvas);
@@ -4029,53 +4384,65 @@ var svgEditorExtension_server_moinsave = (function () {
           ctx.canvas.remove();
         }
       }]);
-      return _class46;
-    }(svg.Element.ElementBase);
 
-    // title element, do nothing
-    svg.Element.title = function (_svg$Element$ElementB18) {
-      inherits(_class47, _svg$Element$ElementB18);
+      return _class46;
+    }(svg.Element.ElementBase); // title element, do nothing
+
+
+    svg.Element.title =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB18) {
+      _inherits(_class47, _svg$Element$ElementB18);
 
       function _class47(node) {
-        classCallCheck(this, _class47);
-        return possibleConstructorReturn(this, (_class47.__proto__ || Object.getPrototypeOf(_class47)).call(this));
+        _classCallCheck(this, _class47);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class47).call(this));
       }
 
       return _class47;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // desc element, do nothing
 
-    // desc element, do nothing
-    svg.Element.desc = function (_svg$Element$ElementB19) {
-      inherits(_class48, _svg$Element$ElementB19);
+
+    svg.Element.desc =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB19) {
+      _inherits(_class48, _svg$Element$ElementB19);
 
       function _class48(node) {
-        classCallCheck(this, _class48);
-        return possibleConstructorReturn(this, (_class48.__proto__ || Object.getPrototypeOf(_class48)).call(this));
+        _classCallCheck(this, _class48);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class48).call(this));
       }
 
       return _class48;
     }(svg.Element.ElementBase);
 
-    svg.Element.MISSING = function (_svg$Element$ElementB20) {
-      inherits(_class49, _svg$Element$ElementB20);
+    svg.Element.MISSING =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB20) {
+      _inherits(_class49, _svg$Element$ElementB20);
 
       function _class49(node) {
-        classCallCheck(this, _class49);
+        var _this25;
 
-        var _this53 = possibleConstructorReturn(this, (_class49.__proto__ || Object.getPrototypeOf(_class49)).call(this));
+        _classCallCheck(this, _class49);
 
+        _this25 = _possibleConstructorReturn(this, _getPrototypeOf(_class49).call(this));
         svg.log('ERROR: Element \'' + node.nodeName + '\' not yet implemented.');
-        return _this53;
+        return _this25;
       }
 
       return _class49;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // element factory
+
 
-    // element factory
     svg.CreateElement = function (node) {
       var className = node.nodeName.replace(/^[^:]+:/, '') // remove namespace
       .replace(/-/g, ''); // remove dashes
-      var e = void 0;
+
+      var e;
+
       if (typeof svg.Element[className] !== 'undefined') {
         e = new svg.Element[className](node);
       } else {
@@ -4084,11 +4451,15 @@ var svgEditorExtension_server_moinsave = (function () {
 
       e.type = node.nodeName;
       return e;
-    };
+    }; // load from url
 
-    // load from url
-    svg.load = function () {
-      var _ref4 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(ctx, url) {
+
+    svg.load =
+    /*#__PURE__*/
+    function () {
+      var _ref4 = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(ctx, url) {
         var dom;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
@@ -4099,10 +4470,10 @@ var svgEditorExtension_server_moinsave = (function () {
 
               case 2:
                 dom = _context.sent;
-                return _context.abrupt('return', svg.loadXml(ctx, dom));
+                return _context.abrupt("return", svg.loadXml(ctx, dom));
 
               case 4:
-              case 'end':
+              case "end":
                 return _context.stop();
             }
           }
@@ -4112,44 +4483,47 @@ var svgEditorExtension_server_moinsave = (function () {
       return function (_x3, _x4) {
         return _ref4.apply(this, arguments);
       };
-    }();
+    }(); // load from xml
+
 
-    // load from xml
     svg.loadXml = function (ctx, xml) {
       return svg.loadXmlDoc(ctx, svg.parseXml(xml));
     };
 
     svg.loadXmlDoc = function (ctx, dom) {
-      var res = void 0;
+      var res;
       svg.init(ctx);
 
       var mapXY = function mapXY(p) {
         var e = ctx.canvas;
+
         while (e) {
           p.x -= e.offsetLeft;
           p.y -= e.offsetTop;
           e = e.offsetParent;
         }
+
         if (window.scrollX) p.x += window.scrollX;
         if (window.scrollY) p.y += window.scrollY;
         return p;
-      };
+      }; // bind mouse
+
 
-      // bind mouse
       if (svg.opts.ignoreMouse !== true) {
         ctx.canvas.onclick = function (e) {
           var args = e != null ? [e.clientX, e.clientY] : [event.clientX, event.clientY];
 
-          var _mapXY = mapXY(new (Function.prototype.bind.apply(svg.Point, [null].concat(args)))()),
+          var _mapXY = mapXY(_construct(svg.Point, args)),
               x = _mapXY.x,
               y = _mapXY.y;
 
           svg.Mouse.onclick(x, y);
         };
+
         ctx.canvas.onmousemove = function (e) {
           var args = e != null ? [e.clientX, e.clientY] : [event.clientX, event.clientY];
 
-          var _mapXY2 = mapXY(new (Function.prototype.bind.apply(svg.Point, [null].concat(args)))()),
+          var _mapXY2 = mapXY(_construct(svg.Point, args)),
               x = _mapXY2.x,
               y = _mapXY2.y;
 
@@ -4158,12 +4532,13 @@ var svgEditorExtension_server_moinsave = (function () {
       }
 
       var e = svg.CreateElement(dom.documentElement);
-      e.root = true;
+      e.root = true; // render loop
 
-      // render loop
       var isFirstRender = true;
+
       var draw = function draw(resolve) {
         svg.ViewPort.Clear();
+
         if (ctx.canvas.parentNode) {
           svg.ViewPort.SetCurrent(ctx.canvas.parentNode.clientWidth, ctx.canvas.parentNode.clientHeight);
         }
@@ -4174,25 +4549,31 @@ var svgEditorExtension_server_moinsave = (function () {
             ctx.canvas.width = e.style('width').toPixels('x');
             ctx.canvas.style.width = ctx.canvas.width + 'px';
           }
+
           if (e.style('height').hasValue()) {
             ctx.canvas.height = e.style('height').toPixels('y');
             ctx.canvas.style.height = ctx.canvas.height + 'px';
           }
         }
+
         var cWidth = ctx.canvas.clientWidth || ctx.canvas.width;
         var cHeight = ctx.canvas.clientHeight || ctx.canvas.height;
+
         if (svg.opts.ignoreDimensions === true && e.style('width').hasValue() && e.style('height').hasValue()) {
           cWidth = e.style('width').toPixels('x');
           cHeight = e.style('height').toPixels('y');
         }
+
         svg.ViewPort.SetCurrent(cWidth, cHeight);
 
         if (svg.opts.offsetX != null) {
           e.attribute('x', true).value = svg.opts.offsetX;
         }
+
         if (svg.opts.offsetY != null) {
           e.attribute('y', true).value = svg.opts.offsetY;
         }
+
         if (svg.opts.scaleWidth != null || svg.opts.scaleHeight != null) {
           var viewBox = svg.ToNumberArray(e.attribute('viewBox').value);
           var xRatio = null,
@@ -4217,6 +4598,7 @@ var svgEditorExtension_server_moinsave = (function () {
           if (xRatio == null) {
             xRatio = yRatio;
           }
+
           if (yRatio == null) {
             yRatio = xRatio;
           }
@@ -4225,13 +4607,15 @@ var svgEditorExtension_server_moinsave = (function () {
           e.attribute('height', true).value = svg.opts.scaleHeight;
           e.attribute('viewBox', true).value = '0 0 ' + cWidth * xRatio + ' ' + cHeight * yRatio;
           e.attribute('preserveAspectRatio', true).value = 'none';
-        }
+        } // clear and render
+
 
-        // clear and render
         if (svg.opts.ignoreClear !== true) {
           ctx.clearRect(0, 0, cWidth, cHeight);
         }
+
         e.render(ctx);
+
         if (isFirstRender) {
           isFirstRender = false;
           resolve(dom);
@@ -4245,28 +4629,28 @@ var svgEditorExtension_server_moinsave = (function () {
         if (waitingForImages && svg.ImagesLoaded()) {
           waitingForImages = false;
           needUpdate = true;
-        }
+        } // need update from mouse events?
+
 
-        // need update from mouse events?
         if (svg.opts.ignoreMouse !== true) {
           needUpdate = needUpdate | svg.Mouse.hasEvents();
-        }
+        } // need update from animations?
+
 
-        // need update from animations?
         if (svg.opts.ignoreAnimation !== true) {
           svg.Animations.forEach(function (animation) {
             needUpdate = needUpdate | animation.update(1000 / svg.FRAMERATE);
           });
-        }
+        } // need update from redraw?
+
 
-        // need update from redraw?
         if (typeof svg.opts.forceRedraw === 'function') {
           if (svg.opts.forceRedraw() === true) {
             needUpdate = true;
           }
-        }
+        } // render if needed
+
 
-        // render if needed
         if (needUpdate) {
           draw(res);
           svg.Mouse.runEvents(); // run and clear our events
@@ -4278,6 +4662,7 @@ var svgEditorExtension_server_moinsave = (function () {
           draw(resolve);
           return;
         }
+
         res = resolve;
       });
     };
@@ -4295,7 +4680,9 @@ var svgEditorExtension_server_moinsave = (function () {
       },
       onclick: function onclick(x, y) {
         this.events.push({
-          type: 'onclick', x: x, y: y,
+          type: 'onclick',
+          x: x,
+          y: y,
           run: function run(e) {
             if (e.onclick) e.onclick();
           }
@@ -4303,59 +4690,56 @@ var svgEditorExtension_server_moinsave = (function () {
       },
       onmousemove: function onmousemove(x, y) {
         this.events.push({
-          type: 'onmousemove', x: x, y: y,
+          type: 'onmousemove',
+          x: x,
+          y: y,
           run: function run(e) {
             if (e.onmousemove) e.onmousemove();
           }
         });
       },
-
-
       eventElements: [],
-
       checkPath: function checkPath(element, ctx) {
-        var _this54 = this;
+        var _this26 = this;
 
         this.events.forEach(function (_ref5, i) {
           var x = _ref5.x,
               y = _ref5.y;
 
           if (ctx.isPointInPath && ctx.isPointInPath(x, y)) {
-            _this54.eventElements[i] = element;
+            _this26.eventElements[i] = element;
           }
         });
       },
       checkBoundingBox: function checkBoundingBox(element, bb) {
-        var _this55 = this;
+        var _this27 = this;
 
         this.events.forEach(function (_ref6, i) {
           var x = _ref6.x,
               y = _ref6.y;
 
           if (bb.isPointInBox(x, y)) {
-            _this55.eventElements[i] = element;
+            _this27.eventElements[i] = element;
           }
         });
       },
       runEvents: function runEvents() {
-        var _this56 = this;
+        var _this28 = this;
 
         svg.ctx.canvas.style.cursor = '';
-
         this.events.forEach(function (e, i) {
-          var element = _this56.eventElements[i];
+          var element = _this28.eventElements[i];
+
           while (element) {
             e.run(element);
             element = element.parent;
           }
-        });
+        }); // done running, clear
 
-        // done running, clear
         this.events = [];
         this.eventElements = [];
       }
     };
-
     return svg;
   }
 
@@ -4374,36 +4758,36 @@ var svgEditorExtension_server_moinsave = (function () {
     };
   }
 
-  /* globals jQuery */
-
   var extServer_moinsave = {
     name: 'server_moinsave',
     init: function () {
-      var _ref2 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(_ref) {
-        var encode64 = _ref.encode64,
-            importLocale = _ref.importLocale;
-        var strings, svgEditor, $, svgCanvas, saveSvgAction;
+      var _init = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee2(_ref) {
+        var encode64, importLocale, strings, svgEditor, $, svgCanvas, saveSvgAction;
         return regeneratorRuntime.wrap(function _callee2$(_context2) {
           while (1) {
             switch (_context2.prev = _context2.next) {
               case 0:
-                _context2.next = 2;
+                encode64 = _ref.encode64, importLocale = _ref.importLocale;
+                _context2.next = 3;
                 return importLocale();
 
-              case 2:
+              case 3:
                 strings = _context2.sent;
                 svgEditor = this;
                 $ = jQuery;
                 svgCanvas = svgEditor.canvas;
-                saveSvgAction = '/+modify';
+                saveSvgAction = '/+modify'; // Create upload target (hidden iframe)
 
-                // Create upload target (hidden iframe)
                 /* const target = */
-                $('<iframe name="output_frame" src="#"/>').hide().appendTo('body');
 
+                $('<iframe name="output_frame" src="#"/>').hide().appendTo('body');
                 svgEditor.setCustomHandlers({
                   save: function () {
-                    var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(win, data) {
+                    var _save = _asyncToGenerator(
+                    /*#__PURE__*/
+                    regeneratorRuntime.mark(function _callee(win, data) {
                       var svg, qstr, name, svgData, c, datauri, pngData;
                       return regeneratorRuntime.wrap(function _callee$(_context) {
                         while (1) {
@@ -4415,21 +4799,24 @@ var svgEditorExtension_server_moinsave = (function () {
                               svgData = encode64(svg);
 
                               if (!$('#export_canvas').length) {
-                                $('<canvas>', { id: 'export_canvas' }).hide().appendTo('body');
+                                $('<canvas>', {
+                                  id: 'export_canvas'
+                                }).hide().appendTo('body');
                               }
-                              c = $('#export_canvas')[0];
 
+                              c = $('#export_canvas')[0];
                               c.width = svgCanvas.contentW;
                               c.height = svgCanvas.contentH;
                               _context.next = 10;
                               return canvg(c, svg);
 
                             case 10:
-                              datauri = c.toDataURL('image/png');
-                              // const {uiStrings} = svgEditor;
+                              datauri = c.toDataURL('image/png'); // const {uiStrings} = svgEditor;
 
                               pngData = encode64(datauri); // Brett: This encoding seems unnecessary
+
                               /* const form = */
+
                               $('<form>').attr({
                                 method: 'post',
                                 action: saveSvgAction + '/' + name,
@@ -4439,34 +4826,30 @@ var svgEditorExtension_server_moinsave = (function () {
                               top.window.location = '/' + name;
 
                             case 15:
-                            case 'end':
+                            case "end":
                               return _context.stop();
                           }
                         }
                       }, _callee, this);
                     }));
 
-                    function save(_x2, _x3) {
-                      return _ref3.apply(this, arguments);
-                    }
-
-                    return save;
+                    return function save(_x2, _x3) {
+                      return _save.apply(this, arguments);
+                    };
                   }()
                 });
 
-              case 9:
-              case 'end':
+              case 10:
+              case "end":
                 return _context2.stop();
             }
           }
         }, _callee2, this);
       }));
 
-      function init(_x) {
-        return _ref2.apply(this, arguments);
-      }
-
-      return init;
+      return function init(_x) {
+        return _init.apply(this, arguments);
+      };
     }()
   };
 
diff --git a/dist/extensions/ext-server_opensave.js b/dist/extensions/ext-server_opensave.js
index 3e520139..60be6ba6 100644
--- a/dist/extensions/ext-server_opensave.js
+++ b/dist/extensions/ext-server_opensave.js
@@ -1,155 +1,228 @@
 var svgEditorExtension_server_opensave = (function () {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
-  };
+  }
 
-  var classCallCheck = function (instance, Constructor) {
+  function _classCallCheck(instance, Constructor) {
     if (!(instance instanceof Constructor)) {
       throw new TypeError("Cannot call a class as a function");
     }
-  };
+  }
 
-  var createClass = function () {
-    function defineProperties(target, props) {
-      for (var i = 0; i < props.length; i++) {
-        var descriptor = props[i];
-        descriptor.enumerable = descriptor.enumerable || false;
-        descriptor.configurable = true;
-        if ("value" in descriptor) descriptor.writable = true;
-        Object.defineProperty(target, descriptor.key, descriptor);
-      }
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
     }
+  }
 
-    return function (Constructor, protoProps, staticProps) {
-      if (protoProps) defineProperties(Constructor.prototype, protoProps);
-      if (staticProps) defineProperties(Constructor, staticProps);
-      return Constructor;
-    };
-  }();
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    return Constructor;
+  }
 
-  var get = function get(object, property, receiver) {
-    if (object === null) object = Function.prototype;
-    var desc = Object.getOwnPropertyDescriptor(object, property);
-
-    if (desc === undefined) {
-      var parent = Object.getPrototypeOf(object);
-
-      if (parent === null) {
-        return undefined;
-      } else {
-        return get(parent, property, receiver);
-      }
-    } else if ("value" in desc) {
-      return desc.value;
-    } else {
-      var getter = desc.get;
-
-      if (getter === undefined) {
-        return undefined;
-      }
-
-      return getter.call(receiver);
-    }
-  };
-
-  var inherits = function (subClass, superClass) {
+  function _inherits(subClass, superClass) {
     if (typeof superClass !== "function" && superClass !== null) {
-      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
+      throw new TypeError("Super expression must either be null or a function");
     }
 
     subClass.prototype = Object.create(superClass && superClass.prototype, {
       constructor: {
         value: subClass,
-        enumerable: false,
         writable: true,
         configurable: true
       }
     });
-    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
-  };
+    if (superClass) _setPrototypeOf(subClass, superClass);
+  }
 
-  var possibleConstructorReturn = function (self, call) {
-    if (!self) {
+  function _getPrototypeOf(o) {
+    _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
+      return o.__proto__ || Object.getPrototypeOf(o);
+    };
+    return _getPrototypeOf(o);
+  }
+
+  function _setPrototypeOf(o, p) {
+    _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
+      o.__proto__ = p;
+      return o;
+    };
+
+    return _setPrototypeOf(o, p);
+  }
+
+  function isNativeReflectConstruct() {
+    if (typeof Reflect === "undefined" || !Reflect.construct) return false;
+    if (Reflect.construct.sham) return false;
+    if (typeof Proxy === "function") return true;
+
+    try {
+      Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
+      return true;
+    } catch (e) {
+      return false;
+    }
+  }
+
+  function _construct(Parent, args, Class) {
+    if (isNativeReflectConstruct()) {
+      _construct = Reflect.construct;
+    } else {
+      _construct = function _construct(Parent, args, Class) {
+        var a = [null];
+        a.push.apply(a, args);
+        var Constructor = Function.bind.apply(Parent, a);
+        var instance = new Constructor();
+        if (Class) _setPrototypeOf(instance, Class.prototype);
+        return instance;
+      };
+    }
+
+    return _construct.apply(null, arguments);
+  }
+
+  function _assertThisInitialized(self) {
+    if (self === void 0) {
       throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
     }
 
-    return call && (typeof call === "object" || typeof call === "function") ? call : self;
-  };
+    return self;
+  }
 
-  var slicedToArray = function () {
-    function sliceIterator(arr, i) {
-      var _arr = [];
-      var _n = true;
-      var _d = false;
-      var _e = undefined;
-
-      try {
-        for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
-          _arr.push(_s.value);
-
-          if (i && _arr.length === i) break;
-        }
-      } catch (err) {
-        _d = true;
-        _e = err;
-      } finally {
-        try {
-          if (!_n && _i["return"]) _i["return"]();
-        } finally {
-          if (_d) throw _e;
-        }
-      }
-
-      return _arr;
+  function _possibleConstructorReturn(self, call) {
+    if (call && (typeof call === "object" || typeof call === "function")) {
+      return call;
     }
 
-    return function (arr, i) {
-      if (Array.isArray(arr)) {
-        return arr;
-      } else if (Symbol.iterator in Object(arr)) {
-        return sliceIterator(arr, i);
-      } else {
-        throw new TypeError("Invalid attempt to destructure non-iterable instance");
-      }
-    };
-  }();
+    return _assertThisInitialized(self);
+  }
 
-  var toConsumableArray = function (arr) {
+  function _superPropBase(object, property) {
+    while (!Object.prototype.hasOwnProperty.call(object, property)) {
+      object = _getPrototypeOf(object);
+      if (object === null) break;
+    }
+
+    return object;
+  }
+
+  function _get(target, property, receiver) {
+    if (typeof Reflect !== "undefined" && Reflect.get) {
+      _get = Reflect.get;
+    } else {
+      _get = function _get(target, property, receiver) {
+        var base = _superPropBase(target, property);
+
+        if (!base) return;
+        var desc = Object.getOwnPropertyDescriptor(base, property);
+
+        if (desc.get) {
+          return desc.get.call(receiver);
+        }
+
+        return desc.value;
+      };
+    }
+
+    return _get(target, property, receiver || target);
+  }
+
+  function _slicedToArray(arr, i) {
+    return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();
+  }
+
+  function _toConsumableArray(arr) {
+    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
+  }
+
+  function _arrayWithoutHoles(arr) {
     if (Array.isArray(arr)) {
-      for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+      for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
 
       return arr2;
-    } else {
-      return Array.from(arr);
     }
-  };
+  }
+
+  function _arrayWithHoles(arr) {
+    if (Array.isArray(arr)) return arr;
+  }
+
+  function _iterableToArray(iter) {
+    if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+  }
+
+  function _iterableToArrayLimit(arr, i) {
+    var _arr = [];
+    var _n = true;
+    var _d = false;
+    var _e = undefined;
+
+    try {
+      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+        _arr.push(_s.value);
+
+        if (i && _arr.length === i) break;
+      }
+    } catch (err) {
+      _d = true;
+      _e = err;
+    } finally {
+      try {
+        if (!_n && _i["return"] != null) _i["return"]();
+      } finally {
+        if (_d) throw _e;
+      }
+    }
+
+    return _arr;
+  }
+
+  function _nonIterableSpread() {
+    throw new TypeError("Invalid attempt to spread non-iterable instance");
+  }
+
+  function _nonIterableRest() {
+    throw new TypeError("Invalid attempt to destructure non-iterable instance");
+  }
 
   /**
    * For parsing color values
@@ -302,9 +375,8 @@ var svgEditorExtension_server_opensave = (function () {
     whitesmoke: 'f5f5f5',
     yellow: 'ffff00',
     yellowgreen: '9acd32'
-  };
+  }; // array of color definition objects
 
-  // array of color definition objects
   var colorDefs = [{
     re: /^rgb\((\d{1,3}),\s*(\d{1,3}),\s*(\d{1,3})\)$/,
     example: ['rgb(123, 234, 45)', 'rgb(255,234,245)'],
@@ -324,131 +396,138 @@ var svgEditorExtension_server_opensave = (function () {
       return [parseInt(bits[1] + bits[1], 16), parseInt(bits[2] + bits[2], 16), parseInt(bits[3] + bits[3], 16)];
     }
   }];
-
   /**
    * A class to parse color values
    */
 
-  var RGBColor = function () {
+  var RGBColor =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {string} colorString
     */
     function RGBColor(colorString) {
-      classCallCheck(this, RGBColor);
+      _classCallCheck(this, RGBColor);
 
-      this.ok = false;
+      this.ok = false; // strip any leading #
 
-      // strip any leading #
       if (colorString.charAt(0) === '#') {
         // remove # if any
         colorString = colorString.substr(1, 6);
       }
 
       colorString = colorString.replace(/ /g, '');
-      colorString = colorString.toLowerCase();
-
-      // before getting into regexps, try simple matches
+      colorString = colorString.toLowerCase(); // before getting into regexps, try simple matches
       // and overwrite the input
+
       if (colorString in simpleColors) {
         colorString = simpleColors[colorString];
-      }
-      // end of simple type-in colors
-
+      } // end of simple type-in colors
       // search through the definitions to find a match
+
+
       for (var i = 0; i < colorDefs.length; i++) {
         var re = colorDefs[i].re;
-
         var processor = colorDefs[i].process;
         var bits = re.exec(colorString);
+
         if (bits) {
           var _processor = processor(bits),
-              _processor2 = slicedToArray(_processor, 3),
+              _processor2 = _slicedToArray(_processor, 3),
               r = _processor2[0],
               g = _processor2[1],
               b = _processor2[2];
 
-          Object.assign(this, { r: r, g: g, b: b });
+          Object.assign(this, {
+            r: r,
+            g: g,
+            b: b
+          });
           this.ok = true;
         }
-      }
+      } // validate/cleanup values
+
 
-      // validate/cleanup values
       this.r = this.r < 0 || isNaN(this.r) ? 0 : this.r > 255 ? 255 : this.r;
       this.g = this.g < 0 || isNaN(this.g) ? 0 : this.g > 255 ? 255 : this.g;
       this.b = this.b < 0 || isNaN(this.b) ? 0 : this.b > 255 ? 255 : this.b;
-    }
+    } // some getters
 
-    // some getters
     /**
     * @returns {string}
     */
 
 
-    createClass(RGBColor, [{
-      key: 'toRGB',
+    _createClass(RGBColor, [{
+      key: "toRGB",
       value: function toRGB() {
         return 'rgb(' + this.r + ', ' + this.g + ', ' + this.b + ')';
       }
-
       /**
       * @returns {string}
       */
 
     }, {
-      key: 'toHex',
+      key: "toHex",
       value: function toHex() {
         var r = this.r.toString(16);
         var g = this.g.toString(16);
         var b = this.b.toString(16);
+
         if (r.length === 1) {
           r = '0' + r;
         }
+
         if (g.length === 1) {
           g = '0' + g;
         }
+
         if (b.length === 1) {
           b = '0' + b;
         }
+
         return '#' + r + g + b;
       }
-
       /**
       * help
       * @returns {HTMLUListElement}
       */
 
     }, {
-      key: 'getHelpXML',
+      key: "getHelpXML",
       value: function getHelpXML() {
-        var examples = [];
-        // add regexps
+        var examples = []; // add regexps
+
         for (var i = 0; i < colorDefs.length; i++) {
           var example = colorDefs[i].example;
 
           for (var j = 0; j < example.length; j++) {
             examples[examples.length] = example[j];
           }
-        }
-        // add type-in colors
-        examples.push.apply(examples, toConsumableArray(Object.keys(simpleColors)));
+        } // add type-in colors
 
+
+        examples.push.apply(examples, _toConsumableArray(Object.keys(simpleColors)));
         var xml = document.createElement('ul');
         xml.setAttribute('id', 'rgbcolor-examples');
+
         for (var _i = 0; _i < examples.length; _i++) {
           try {
             var listItem = document.createElement('li');
             var listColor = new RGBColor(examples[_i]);
             var exampleDiv = document.createElement('div');
-            exampleDiv.style.cssText = 'margin: 3px;\nborder: 1px solid black;\nbackground: ' + listColor.toHex() + ';\ncolor: ' + listColor.toHex() + ';';
+            exampleDiv.style.cssText = "margin: 3px;\nborder: 1px solid black;\nbackground: ".concat(listColor.toHex(), ";\ncolor: ").concat(listColor.toHex(), ";");
             exampleDiv.append('test');
-            var listItemValue = ' ' + examples[_i] + ' -> ' + listColor.toRGB() + ' -> ' + listColor.toHex();
+            var listItemValue = " ".concat(examples[_i], " -> ").concat(listColor.toRGB(), " -> ").concat(listColor.toHex());
             listItem.append(exampleDiv, listItemValue);
             xml.append(listItem);
           } catch (e) {}
         }
+
         return xml;
       }
     }]);
+
     return RGBColor;
   }();
 
@@ -492,11 +571,8 @@ var svgEditorExtension_server_opensave = (function () {
   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   OTHER DEALINGS IN THE SOFTWARE.
   */
-
   var mulTable = [512, 512, 456, 512, 328, 456, 335, 512, 405, 328, 271, 456, 388, 335, 292, 512, 454, 405, 364, 328, 298, 271, 496, 456, 420, 388, 360, 335, 312, 292, 273, 512, 482, 454, 428, 405, 383, 364, 345, 328, 312, 298, 284, 271, 259, 496, 475, 456, 437, 420, 404, 388, 374, 360, 347, 335, 323, 312, 302, 292, 282, 273, 265, 512, 497, 482, 468, 454, 441, 428, 417, 405, 394, 383, 373, 364, 354, 345, 337, 328, 320, 312, 305, 298, 291, 284, 278, 271, 265, 259, 507, 496, 485, 475, 465, 456, 446, 437, 428, 420, 412, 404, 396, 388, 381, 374, 367, 360, 354, 347, 341, 335, 329, 323, 318, 312, 307, 302, 297, 292, 287, 282, 278, 273, 269, 265, 261, 512, 505, 497, 489, 482, 475, 468, 461, 454, 447, 441, 435, 428, 422, 417, 411, 405, 399, 394, 389, 383, 378, 373, 368, 364, 359, 354, 350, 345, 341, 337, 332, 328, 324, 320, 316, 312, 309, 305, 301, 298, 294, 291, 287, 284, 281, 278, 274, 271, 268, 265, 262, 259, 257, 507, 501, 496, 491, 485, 480, 475, 470, 465, 460, 456, 451, 446, 442, 437, 433, 428, 424, 420, 416, 412, 408, 404, 400, 396, 392, 388, 385, 381, 377, 374, 370, 367, 363, 360, 357, 354, 350, 347, 344, 341, 338, 335, 332, 329, 326, 323, 320, 318, 315, 312, 310, 307, 304, 302, 299, 297, 294, 292, 289, 287, 285, 282, 280, 278, 275, 273, 271, 269, 267, 265, 263, 261, 259];
-
   var shgTable = [9, 11, 12, 13, 13, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24];
-
   /**
    * @param {string|HTMLCanvasElement} canvas
    * @param {Integer} topX
@@ -506,10 +582,13 @@ var svgEditorExtension_server_opensave = (function () {
    * @throws {Error}
    * @returns {ImageData} See {@link https://html.spec.whatwg.org/multipage/canvas.html#imagedata}
    */
+
+
   function getImageDataFromCanvas(canvas, topX, topY, width, height) {
     if (typeof canvas === 'string') {
       canvas = document.getElementById(canvas);
     }
+
     if (!canvas || !('getContext' in canvas)) {
       return;
     }
@@ -522,7 +601,6 @@ var svgEditorExtension_server_opensave = (function () {
       throw new Error('unable to access image data: ' + e);
     }
   }
-
   /**
    * @param {HTMLCanvasElement} canvas
    * @param {Integer} topX
@@ -532,19 +610,18 @@ var svgEditorExtension_server_opensave = (function () {
    * @param {Float} radius
    * @returns {undefined}
    */
+
+
   function processCanvasRGBA(canvas, topX, topY, width, height, radius) {
     if (isNaN(radius) || radius < 1) {
       return;
     }
+
     radius |= 0;
-
     var imageData = getImageDataFromCanvas(canvas, topX, topY, width, height);
-
     imageData = processImageDataRGBA(imageData, topX, topY, width, height, radius);
-
     canvas.getContext('2d').putImageData(imageData, topX, topY);
   }
-
   /**
    * @param {ImageData} imageData
    * @param {Integer} topX
@@ -554,72 +631,46 @@ var svgEditorExtension_server_opensave = (function () {
    * @param {Float} radius
    * @returns {ImageData}
    */
+
+
   function processImageDataRGBA(imageData, topX, topY, width, height, radius) {
     var pixels = imageData.data;
+    var x, y, i, p, yp, yi, yw, rSum, gSum, bSum, aSum, rOutSum, gOutSum, bOutSum, aOutSum, rInSum, gInSum, bInSum, aInSum, pr, pg, pb, pa, rbs;
+    var div = radius + radius + 1; // const w4 = width << 2;
 
-    var x = void 0,
-        y = void 0,
-        i = void 0,
-        p = void 0,
-        yp = void 0,
-        yi = void 0,
-        yw = void 0,
-        rSum = void 0,
-        gSum = void 0,
-        bSum = void 0,
-        aSum = void 0,
-        rOutSum = void 0,
-        gOutSum = void 0,
-        bOutSum = void 0,
-        aOutSum = void 0,
-        rInSum = void 0,
-        gInSum = void 0,
-        bInSum = void 0,
-        aInSum = void 0,
-        pr = void 0,
-        pg = void 0,
-        pb = void 0,
-        pa = void 0,
-        rbs = void 0;
-
-    var div = radius + radius + 1;
-    // const w4 = width << 2;
     var widthMinus1 = width - 1;
     var heightMinus1 = height - 1;
     var radiusPlus1 = radius + 1;
     var sumFactor = radiusPlus1 * (radiusPlus1 + 1) / 2;
-
     var stackStart = new BlurStack();
     var stack = stackStart;
-    var stackEnd = void 0;
+    var stackEnd;
+
     for (i = 1; i < div; i++) {
       stack = stack.next = new BlurStack();
+
       if (i === radiusPlus1) {
         stackEnd = stack;
       }
     }
+
     stack.next = stackStart;
     var stackIn = null;
     var stackOut = null;
-
     yw = yi = 0;
-
     var mulSum = mulTable[radius];
     var shgSum = shgTable[radius];
 
     for (y = 0; y < height; y++) {
       rInSum = gInSum = bInSum = aInSum = rSum = gSum = bSum = aSum = 0;
-
       rOutSum = radiusPlus1 * (pr = pixels[yi]);
       gOutSum = radiusPlus1 * (pg = pixels[yi + 1]);
       bOutSum = radiusPlus1 * (pb = pixels[yi + 2]);
       aOutSum = radiusPlus1 * (pa = pixels[yi + 3]);
-
       rSum += sumFactor * pr;
       gSum += sumFactor * pg;
       bSum += sumFactor * pb;
       aSum += sumFactor * pa;
-
       stack = stackStart;
 
       for (i = 0; i < radiusPlus1; i++) {
@@ -636,19 +687,19 @@ var svgEditorExtension_server_opensave = (function () {
         gSum += (stack.g = pg = pixels[p + 1]) * rbs;
         bSum += (stack.b = pb = pixels[p + 2]) * rbs;
         aSum += (stack.a = pa = pixels[p + 3]) * rbs;
-
         rInSum += pr;
         gInSum += pg;
         bInSum += pb;
         aInSum += pa;
-
         stack = stack.next;
       }
 
       stackIn = stackStart;
       stackOut = stackEnd;
+
       for (x = 0; x < width; x++) {
         pixels[yi + 3] = pa = aSum * mulSum >> shgSum;
+
         if (pa !== 0) {
           pa = 255 / pa;
           pixels[yi] = (rSum * mulSum >> shgSum) * pa;
@@ -662,57 +713,46 @@ var svgEditorExtension_server_opensave = (function () {
         gSum -= gOutSum;
         bSum -= bOutSum;
         aSum -= aOutSum;
-
         rOutSum -= stackIn.r;
         gOutSum -= stackIn.g;
         bOutSum -= stackIn.b;
         aOutSum -= stackIn.a;
-
         p = yw + ((p = x + radius + 1) < widthMinus1 ? p : widthMinus1) << 2;
-
         rInSum += stackIn.r = pixels[p];
         gInSum += stackIn.g = pixels[p + 1];
         bInSum += stackIn.b = pixels[p + 2];
         aInSum += stackIn.a = pixels[p + 3];
-
         rSum += rInSum;
         gSum += gInSum;
         bSum += bInSum;
         aSum += aInSum;
-
         stackIn = stackIn.next;
-
         rOutSum += pr = stackOut.r;
         gOutSum += pg = stackOut.g;
         bOutSum += pb = stackOut.b;
         aOutSum += pa = stackOut.a;
-
         rInSum -= pr;
         gInSum -= pg;
         bInSum -= pb;
         aInSum -= pa;
-
         stackOut = stackOut.next;
-
         yi += 4;
       }
+
       yw += width;
     }
 
     for (x = 0; x < width; x++) {
       gInSum = bInSum = aInSum = rInSum = gSum = bSum = aSum = rSum = 0;
-
       yi = x << 2;
       rOutSum = radiusPlus1 * (pr = pixels[yi]);
       gOutSum = radiusPlus1 * (pg = pixels[yi + 1]);
       bOutSum = radiusPlus1 * (pb = pixels[yi + 2]);
       aOutSum = radiusPlus1 * (pa = pixels[yi + 3]);
-
       rSum += sumFactor * pr;
       gSum += sumFactor * pg;
       bSum += sumFactor * pb;
       aSum += sumFactor * pa;
-
       stack = stackStart;
 
       for (i = 0; i < radiusPlus1; i++) {
@@ -727,17 +767,14 @@ var svgEditorExtension_server_opensave = (function () {
 
       for (i = 1; i <= radius; i++) {
         yi = yp + x << 2;
-
         rSum += (stack.r = pr = pixels[yi]) * (rbs = radiusPlus1 - i);
         gSum += (stack.g = pg = pixels[yi + 1]) * rbs;
         bSum += (stack.b = pb = pixels[yi + 2]) * rbs;
         aSum += (stack.a = pa = pixels[yi + 3]) * rbs;
-
         rInSum += pr;
         gInSum += pg;
         bInSum += pb;
         aInSum += pa;
-
         stack = stack.next;
 
         if (i < heightMinus1) {
@@ -748,9 +785,11 @@ var svgEditorExtension_server_opensave = (function () {
       yi = x;
       stackIn = stackStart;
       stackOut = stackEnd;
+
       for (y = 0; y < height; y++) {
         p = yi << 2;
         pixels[p + 3] = pa = aSum * mulSum >> shgSum;
+
         if (pa > 0) {
           pa = 255 / pa;
           pixels[p] = (rSum * mulSum >> shgSum) * pa;
@@ -764,44 +803,38 @@ var svgEditorExtension_server_opensave = (function () {
         gSum -= gOutSum;
         bSum -= bOutSum;
         aSum -= aOutSum;
-
         rOutSum -= stackIn.r;
         gOutSum -= stackIn.g;
         bOutSum -= stackIn.b;
         aOutSum -= stackIn.a;
-
         p = x + ((p = y + radiusPlus1) < heightMinus1 ? p : heightMinus1) * width << 2;
-
         rSum += rInSum += stackIn.r = pixels[p];
         gSum += gInSum += stackIn.g = pixels[p + 1];
         bSum += bInSum += stackIn.b = pixels[p + 2];
         aSum += aInSum += stackIn.a = pixels[p + 3];
-
         stackIn = stackIn.next;
-
         rOutSum += pr = stackOut.r;
         gOutSum += pg = stackOut.g;
         bOutSum += pb = stackOut.b;
         aOutSum += pa = stackOut.a;
-
         rInSum -= pr;
         gInSum -= pg;
         bInSum -= pb;
         aInSum -= pa;
-
         stackOut = stackOut.next;
-
         yi += width;
       }
     }
+
     return imageData;
   }
-
   /**
    *
    */
+
+
   var BlurStack = function BlurStack() {
-    classCallCheck(this, BlurStack);
+    _classCallCheck(this, BlurStack);
 
     this.r = 0;
     this.g = 0;
@@ -810,10 +843,7 @@ var svgEditorExtension_server_opensave = (function () {
     this.next = null;
   };
 
-  /* eslint-disable new-cap */
-
   var canvasRGBA_ = processCanvasRGBA;
-
   /**
   * @typedef {PlainObject} module:canvg.CanvgOptions
   * @property {boolean} opts.ignoreMouse true => ignore mouse events
@@ -837,11 +867,12 @@ var svgEditorExtension_server_opensave = (function () {
   * @param {module:canvg.CanvgOptions} [opts] Optional hash of options
   * @returns {Promise} All the function after the first render is completed with dom
   */
+
   var canvg = function canvg(target, s, opts) {
     // no parameters
     if (target == null && s == null && opts == null) {
       var svgTags = document.querySelectorAll('svg');
-      return Promise.all([].concat(toConsumableArray(svgTags)).map(function (svgTag) {
+      return Promise.all(_toConsumableArray(svgTags).map(function (svgTag) {
         var c = document.createElement('canvas');
         c.width = svgTag.clientWidth;
         c.height = svgTag.clientHeight;
@@ -855,54 +886,61 @@ var svgEditorExtension_server_opensave = (function () {
 
     if (typeof target === 'string') {
       target = document.getElementById(target);
-    }
+    } // store class on canvas
+
 
-    // store class on canvas
     if (target.svg != null) target.svg.stop();
-    var svg = build(opts || {});
-    // on i.e. 8 for flash canvas, we can't assign the property so check for it
+    var svg = build(opts || {}); // on i.e. 8 for flash canvas, we can't assign the property so check for it
+
     if (!(target.childNodes.length === 1 && target.childNodes[0].nodeName === 'OBJECT')) {
       target.svg = svg;
     }
 
     var ctx = target.getContext('2d');
+
     if (typeof s.documentElement !== 'undefined') {
       // load from xml doc
       return svg.loadXmlDoc(ctx, s);
     }
+
     if (s.substr(0, 1) === '<') {
       // load from xml string
       return svg.loadXml(ctx, s);
-    }
-    // load from url
+    } // load from url
+
+
     return svg.load(ctx, s);
   };
-
   /**
   * @param {module:canvg.CanvgOptions} opts
   * @returns {object}
   * @todo Flesh out exactly what object is returned here (after updating to latest and reincluding our changes here and those of StackBlur)
   */
-  function build(opts) {
-    var svg = { opts: opts };
 
+  function build(opts) {
+    var svg = {
+      opts: opts
+    };
     svg.FRAMERATE = 30;
     svg.MAX_VIRTUAL_PIXELS = 30000;
 
     svg.log = function (msg) {};
+
     if (svg.opts.log === true && typeof console !== 'undefined') {
       svg.log = function (msg) {
         console.log(msg);
       };
-    }
+    } // globals
+
 
-    // globals
     svg.init = function (ctx) {
       var uniqueId = 0;
+
       svg.UniqueId = function () {
         uniqueId++;
         return 'canvg' + uniqueId;
       };
+
       svg.Definitions = {};
       svg.Styles = {};
       svg.Animations = [];
@@ -914,7 +952,10 @@ var svgEditorExtension_server_opensave = (function () {
           this.viewPorts = [];
         },
         SetCurrent: function SetCurrent(width, height) {
-          this.viewPorts.push({ width: width, height: height });
+          this.viewPorts.push({
+            width: width,
+            height: height
+          });
         },
         RemoveCurrent: function RemoveCurrent() {
           this.viewPorts.pop();
@@ -936,28 +977,29 @@ var svgEditorExtension_server_opensave = (function () {
         }
       };
     };
-    svg.init();
 
-    // images loaded
+    svg.init(); // images loaded
+
     svg.ImagesLoaded = function () {
       return svg.Images.every(function (img) {
         return img.loaded;
       });
-    };
+    }; // trim
+
 
-    // trim
     svg.trim = function (s) {
       return s.replace(/^\s+|\s+$/g, '');
-    };
+    }; // compress spaces
+
 
-    // compress spaces
     svg.compressSpaces = function (s) {
       return s.replace(/[\s\r\t\n]+/gm, ' ');
-    };
+    }; // ajax
+
 
-    // ajax
     svg.ajax = function (url, asynch) {
       var AJAX = window.XMLHttpRequest ? new XMLHttpRequest() : new window.ActiveXObject('Microsoft.XMLHTTP');
+
       if (asynch) {
         return new Promise(function (resolve, reject) {
           var req = AJAX.open('GET', url, true);
@@ -971,9 +1013,9 @@ var svgEditorExtension_server_opensave = (function () {
       AJAX.open('GET', url, false);
       AJAX.send(null);
       return AJAX.responseText;
-    };
+    }; // parse xml
+
 
-    // parse xml
     svg.parseXml = function (xml) {
       if (window.DOMParser) {
         var parser = new DOMParser();
@@ -985,10 +1027,10 @@ var svgEditorExtension_server_opensave = (function () {
         xmlDoc.loadXML(xml);
         return xmlDoc;
       }
-    };
-
-    // text extensions
+    }; // text extensions
     // get the text baseline
+
+
     var textBaselineMapping = {
       baseline: 'alphabetic',
       'before-edge': 'top',
@@ -1003,141 +1045,139 @@ var svgEditorExtension_server_opensave = (function () {
       mathematical: 'alphabetic'
     };
 
-    svg.Property = function () {
+    svg.Property =
+    /*#__PURE__*/
+    function () {
       function Property(name, value) {
-        classCallCheck(this, Property);
+        _classCallCheck(this, Property);
 
         this.name = name;
         this.value = value;
       }
 
-      createClass(Property, [{
-        key: 'getValue',
+      _createClass(Property, [{
+        key: "getValue",
         value: function getValue() {
           return this.value;
         }
       }, {
-        key: 'hasValue',
+        key: "hasValue",
         value: function hasValue() {
           return this.value != null && this.value !== '';
-        }
-
-        // return the numerical value of the property
+        } // return the numerical value of the property
 
       }, {
-        key: 'numValue',
+        key: "numValue",
         value: function numValue() {
           if (!this.hasValue()) return 0;
-
           var n = parseFloat(this.value);
+
           if ((this.value + '').match(/%$/)) {
             n = n / 100.0;
           }
+
           return n;
         }
       }, {
-        key: 'valueOrDefault',
+        key: "valueOrDefault",
         value: function valueOrDefault(def) {
           if (this.hasValue()) return this.value;
           return def;
         }
       }, {
-        key: 'numValueOrDefault',
+        key: "numValueOrDefault",
         value: function numValueOrDefault(def) {
           if (this.hasValue()) return this.numValue();
           return def;
-        }
-
-        // color extensions
+        } // color extensions
         // augment the current color value with the opacity
 
       }, {
-        key: 'addOpacity',
+        key: "addOpacity",
         value: function addOpacity(opacityProp) {
           var newValue = this.value;
+
           if (opacityProp.value != null && opacityProp.value !== '' && typeof this.value === 'string') {
             // can only add opacity to colors, not patterns
             var color = new RGBColor(this.value);
+
             if (color.ok) {
               newValue = 'rgba(' + color.r + ', ' + color.g + ', ' + color.b + ', ' + opacityProp.numValue() + ')';
             }
           }
-          return new svg.Property(this.name, newValue);
-        }
 
-        // definition extensions
+          return new svg.Property(this.name, newValue);
+        } // definition extensions
         // get the definition from the definitions table
 
       }, {
-        key: 'getDefinition',
+        key: "getDefinition",
         value: function getDefinition() {
           var name = this.value.match(/#([^)'"]+)/);
+
           if (name) {
             name = name[1];
           }
+
           if (!name) {
             name = this.value;
           }
+
           return svg.Definitions[name];
         }
       }, {
-        key: 'isUrlDefinition',
+        key: "isUrlDefinition",
         value: function isUrlDefinition() {
           return this.value.startsWith('url(');
         }
       }, {
-        key: 'getFillStyleDefinition',
+        key: "getFillStyleDefinition",
         value: function getFillStyleDefinition(e, opacityProp) {
-          var def = this.getDefinition();
+          var def = this.getDefinition(); // gradient
 
-          // gradient
           if (def != null && def.createGradient) {
             return def.createGradient(svg.ctx, e, opacityProp);
-          }
+          } // pattern
+
 
-          // pattern
           if (def != null && def.createPattern) {
             if (def.getHrefAttribute().hasValue()) {
               var pt = def.attribute('patternTransform');
               def = def.getHrefAttribute().getDefinition();
+
               if (pt.hasValue()) {
                 def.attribute('patternTransform', true).value = pt.value;
               }
             }
+
             return def.createPattern(svg.ctx, e);
           }
 
           return null;
-        }
-
-        // length extensions
+        } // length extensions
 
       }, {
-        key: 'getDPI',
+        key: "getDPI",
         value: function getDPI(viewPort) {
           return 96.0; // TODO: compute?
         }
       }, {
-        key: 'getEM',
+        key: "getEM",
         value: function getEM(viewPort) {
           var em = 12;
-
           var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
           if (fontSize.hasValue()) em = fontSize.toPixels(viewPort);
-
           return em;
         }
       }, {
-        key: 'getUnits',
+        key: "getUnits",
         value: function getUnits() {
           var s = this.value + '';
           return s.replace(/[0-9.-]/g, '');
-        }
-
-        // get the length as pixels
+        } // get the length as pixels
 
       }, {
-        key: 'toPixels',
+        key: "toPixels",
         value: function toPixels(viewPort, processPercent) {
           if (!this.hasValue()) return 0;
           var s = this.value + '';
@@ -1153,26 +1193,22 @@ var svgEditorExtension_server_opensave = (function () {
           var n = this.numValue();
           if (processPercent && n < 1.0) return n * svg.ViewPort.ComputeSize(viewPort);
           return n;
-        }
-
-        // time extensions
+        } // time extensions
         // get the time as milliseconds
 
       }, {
-        key: 'toMilliseconds',
+        key: "toMilliseconds",
         value: function toMilliseconds() {
           if (!this.hasValue()) return 0;
           var s = this.value + '';
           if (s.match(/s$/)) return this.numValue() * 1000;
           if (s.match(/ms$/)) return this.numValue();
           return this.numValue();
-        }
-
-        // angle extensions
+        } // angle extensions
         // get the angle as radians
 
       }, {
-        key: 'toRadians',
+        key: "toRadians",
         value: function toRadians() {
           if (!this.hasValue()) return 0;
           var s = this.value + '';
@@ -1182,21 +1218,21 @@ var svgEditorExtension_server_opensave = (function () {
           return this.numValue() * (Math.PI / 180.0);
         }
       }, {
-        key: 'toTextBaseline',
+        key: "toTextBaseline",
         value: function toTextBaseline() {
           if (!this.hasValue()) return null;
           return textBaselineMapping[this.value];
         }
       }]);
-      return Property;
-    }();
 
-    // fonts
+      return Property;
+    }(); // fonts
+
+
     svg.Font = {
       Styles: 'normal|italic|oblique|inherit',
       Variants: 'normal|small-caps|inherit',
       Weights: 'normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900|inherit',
-
       CreateFont: function CreateFont(fontStyle, fontVariant, fontWeight, fontSize, fontFamily, inherit) {
         var f = inherit != null ? this.Parse(inherit) : this.CreateFont('', '', '', '', '', svg.ctx.font);
         return {
@@ -1215,66 +1251,77 @@ var svgEditorExtension_server_opensave = (function () {
 
         var f = {};
         var d = svg.trim(svg.compressSpaces(s || '')).split(' ');
-        var set$$1 = {
-          fontSize: false, fontStyle: false, fontWeight: false, fontVariant: false
+        var set = {
+          fontSize: false,
+          fontStyle: false,
+          fontWeight: false,
+          fontVariant: false
         };
         var ff = '';
         d.forEach(function (d) {
-          if (!set$$1.fontStyle && _this.Styles.includes(d)) {
+          if (!set.fontStyle && _this.Styles.includes(d)) {
             if (d !== 'inherit') {
               f.fontStyle = d;
             }
-            set$$1.fontStyle = true;
-          } else if (!set$$1.fontVariant && _this.Variants.includes(d)) {
+
+            set.fontStyle = true;
+          } else if (!set.fontVariant && _this.Variants.includes(d)) {
             if (d !== 'inherit') {
               f.fontVariant = d;
             }
-            set$$1.fontStyle = set$$1.fontVariant = true;
-          } else if (!set$$1.fontWeight && _this.Weights.includes(d)) {
+
+            set.fontStyle = set.fontVariant = true;
+          } else if (!set.fontWeight && _this.Weights.includes(d)) {
             if (d !== 'inherit') {
               f.fontWeight = d;
             }
-            set$$1.fontStyle = set$$1.fontVariant = set$$1.fontWeight = true;
-          } else if (!set$$1.fontSize) {
+
+            set.fontStyle = set.fontVariant = set.fontWeight = true;
+          } else if (!set.fontSize) {
             if (d !== 'inherit') {
               f.fontSize = d.split('/')[0];
             }
-            set$$1.fontStyle = set$$1.fontVariant = set$$1.fontWeight = set$$1.fontSize = true;
+
+            set.fontStyle = set.fontVariant = set.fontWeight = set.fontSize = true;
           } else {
             if (d !== 'inherit') {
               ff += d;
             }
           }
         });
+
         if (ff !== '') {
           f.fontFamily = ff;
         }
+
         return f;
       }
-    };
+    }; // points and paths
 
-    // points and paths
     svg.ToNumberArray = function (s) {
       var a = svg.trim(svg.compressSpaces((s || '').replace(/,/g, ' '))).split(' ');
       return a.map(function (a) {
         return parseFloat(a);
       });
     };
-    svg.Point = function () {
+
+    svg.Point =
+    /*#__PURE__*/
+    function () {
       function _class(x, y) {
-        classCallCheck(this, _class);
+        _classCallCheck(this, _class);
 
         this.x = x;
         this.y = y;
       }
 
-      createClass(_class, [{
-        key: 'angleTo',
+      _createClass(_class, [{
+        key: "angleTo",
         value: function angleTo(p) {
           return Math.atan2(p.y - this.y, p.x - this.x);
         }
       }, {
-        key: 'applyTransform',
+        key: "applyTransform",
         value: function applyTransform(v) {
           var xp = this.x * v[0] + this.y * v[2] + v[4];
           var yp = this.x * v[1] + this.y * v[3] + v[5];
@@ -1282,6 +1329,7 @@ var svgEditorExtension_server_opensave = (function () {
           this.y = yp;
         }
       }]);
+
       return _class;
     }();
 
@@ -1289,19 +1337,25 @@ var svgEditorExtension_server_opensave = (function () {
       var a = svg.ToNumberArray(s);
       return new svg.Point(a[0], a[1]);
     };
+
     svg.CreatePath = function (s) {
       var a = svg.ToNumberArray(s);
       var path = [];
+
       for (var i = 0; i < a.length; i += 2) {
         path.push(new svg.Point(a[i], a[i + 1]));
       }
-      return path;
-    };
 
-    // bounding box
-    svg.BoundingBox = function () {
+      return path;
+    }; // bounding box
+
+
+    svg.BoundingBox =
+    /*#__PURE__*/
+    function () {
       function _class2(x1, y1, x2, y2) {
-        classCallCheck(this, _class2);
+        _classCallCheck(this, _class2);
+
         // pass in initial points if you want
         this.x1 = Number.NaN;
         this.y1 = Number.NaN;
@@ -1311,34 +1365,35 @@ var svgEditorExtension_server_opensave = (function () {
         this.addPoint(x2, y2);
       }
 
-      createClass(_class2, [{
-        key: 'x',
+      _createClass(_class2, [{
+        key: "x",
         value: function x() {
           return this.x1;
         }
       }, {
-        key: 'y',
+        key: "y",
         value: function y() {
           return this.y1;
         }
       }, {
-        key: 'width',
+        key: "width",
         value: function width() {
           return this.x2 - this.x1;
         }
       }, {
-        key: 'height',
+        key: "height",
         value: function height() {
           return this.y2 - this.y1;
         }
       }, {
-        key: 'addPoint',
+        key: "addPoint",
         value: function addPoint(x, y) {
           if (x != null) {
             if (isNaN(this.x1) || isNaN(this.x2)) {
               this.x1 = x;
               this.x2 = x;
             }
+
             if (x < this.x1) this.x1 = x;
             if (x > this.x2) this.x2 = x;
           }
@@ -1348,37 +1403,42 @@ var svgEditorExtension_server_opensave = (function () {
               this.y1 = y;
               this.y2 = y;
             }
+
             if (y < this.y1) this.y1 = y;
             if (y > this.y2) this.y2 = y;
           }
         }
       }, {
-        key: 'addX',
+        key: "addX",
         value: function addX(x) {
           this.addPoint(x, null);
         }
       }, {
-        key: 'addY',
+        key: "addY",
         value: function addY(y) {
           this.addPoint(null, y);
         }
       }, {
-        key: 'addBoundingBox',
+        key: "addBoundingBox",
         value: function addBoundingBox(bb) {
           this.addPoint(bb.x1, bb.y1);
           this.addPoint(bb.x2, bb.y2);
         }
       }, {
-        key: 'addQuadraticCurve',
+        key: "addQuadraticCurve",
         value: function addQuadraticCurve(p0x, p0y, p1x, p1y, p2x, p2y) {
           var cp1x = p0x + 2 / 3 * (p1x - p0x); // CP1 = QP0 + 2/3 *(QP1-QP0)
+
           var cp1y = p0y + 2 / 3 * (p1y - p0y); // CP1 = QP0 + 2/3 *(QP1-QP0)
+
           var cp2x = cp1x + 1 / 3 * (p2x - p0x); // CP2 = CP1 + 1/3 *(QP2-QP0)
+
           var cp2y = cp1y + 1 / 3 * (p2y - p0y); // CP2 = CP1 + 1/3 *(QP2-QP0)
+
           this.addBezierCurve(p0x, p0y, cp1x, cp2x, cp1y, cp2y, p2x, p2y);
         }
       }, {
-        key: 'addBezierCurve',
+        key: "addBezierCurve",
         value: function addBezierCurve(p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y) {
           var _this2 = this;
 
@@ -1400,23 +1460,28 @@ var svgEditorExtension_server_opensave = (function () {
             var c = 3 * p1[i] - 3 * p0[i];
 
             if (a === 0) {
-              if (b === 0) return 'continue';
+              if (b === 0) return "continue";
               var t = -c / b;
+
               if (t > 0 && t < 1) {
                 if (i === 0) _this2.addX(f(t));
                 if (i === 1) _this2.addY(f(t));
               }
-              return 'continue';
+
+              return "continue";
             }
 
             var b2ac = Math.pow(b, 2) - 4 * c * a;
-            if (b2ac < 0) return 'continue';
+            if (b2ac < 0) return "continue";
             var t1 = (-b + Math.sqrt(b2ac)) / (2 * a);
+
             if (t1 > 0 && t1 < 1) {
               if (i === 0) _this2.addX(f(t1));
               if (i === 1) _this2.addY(f(t1));
             }
+
             var t2 = (-b - Math.sqrt(b2ac)) / (2 * a);
+
             if (t2 > 0 && t2 < 1) {
               if (i === 0) _this2.addX(f(t2));
               if (i === 1) _this2.addY(f(t2));
@@ -1426,57 +1491,66 @@ var svgEditorExtension_server_opensave = (function () {
           for (var i = 0; i <= 1; i++) {
             var _ret = _loop(i);
 
-            if (_ret === 'continue') continue;
+            if (_ret === "continue") continue;
           }
         }
       }, {
-        key: 'isPointInBox',
+        key: "isPointInBox",
         value: function isPointInBox(x, y) {
           return this.x1 <= x && x <= this.x2 && this.y1 <= y && y <= this.y2;
         }
       }]);
-      return _class2;
-    }();
 
-    // transforms
-    svg.Transform = function () {
+      return _class2;
+    }(); // transforms
+
+
+    svg.Transform =
+    /*#__PURE__*/
+    function () {
       function _class3(v) {
         var _this6 = this;
 
-        classCallCheck(this, _class3);
+        _classCallCheck(this, _class3);
 
         this.Type = {
           translate: function translate(s) {
-            classCallCheck(this, translate);
+            _classCallCheck(this, translate);
 
             this.p = svg.CreatePoint(s);
+
             this.apply = function (ctx) {
               ctx.translate(this.p.x || 0.0, this.p.y || 0.0);
             };
+
             this.unapply = function (ctx) {
               ctx.translate(-1.0 * this.p.x || 0.0, -1.0 * this.p.y || 0.0);
             };
+
             this.applyToPoint = function (p) {
               p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]);
             };
           },
           rotate: function rotate(s) {
-            classCallCheck(this, rotate);
+            _classCallCheck(this, rotate);
 
             var a = svg.ToNumberArray(s);
             this.angle = new svg.Property('angle', a[0]);
             this.cx = a[1] || 0;
             this.cy = a[2] || 0;
+
             this.apply = function (ctx) {
               ctx.translate(this.cx, this.cy);
               ctx.rotate(this.angle.toRadians());
               ctx.translate(-this.cx, -this.cy);
             };
+
             this.unapply = function (ctx) {
               ctx.translate(this.cx, this.cy);
               ctx.rotate(-1.0 * this.angle.toRadians());
               ctx.translate(-this.cx, -this.cy);
             };
+
             this.applyToPoint = function (p) {
               var a = this.angle.toRadians();
               p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]);
@@ -1485,40 +1559,48 @@ var svgEditorExtension_server_opensave = (function () {
             };
           },
           scale: function scale(s) {
-            classCallCheck(this, scale);
+            _classCallCheck(this, scale);
 
             this.p = svg.CreatePoint(s);
+
             this.apply = function (ctx) {
               ctx.scale(this.p.x || 1.0, this.p.y || this.p.x || 1.0);
             };
+
             this.unapply = function (ctx) {
               ctx.scale(1.0 / this.p.x || 1.0, 1.0 / this.p.y || this.p.x || 1.0);
             };
+
             this.applyToPoint = function (p) {
               p.applyTransform([this.p.x || 0.0, 0, 0, this.p.y || 0.0, 0, 0]);
             };
           },
           matrix: function matrix(s) {
-            classCallCheck(this, matrix);
+            _classCallCheck(this, matrix);
 
             this.m = svg.ToNumberArray(s);
+
             this.apply = function (ctx) {
               ctx.transform(this.m[0], this.m[1], this.m[2], this.m[3], this.m[4], this.m[5]);
             };
+
             this.applyToPoint = function (p) {
               p.applyTransform(this.m);
             };
           }
         };
         Object.assign(this.Type, {
-          SkewBase: function (_Type$matrix) {
-            inherits(SkewBase, _Type$matrix);
+          SkewBase:
+          /*#__PURE__*/
+          function (_this$Type$matrix) {
+            _inherits(SkewBase, _this$Type$matrix);
 
             function SkewBase(s) {
-              classCallCheck(this, SkewBase);
+              var _this3;
 
-              var _this3 = possibleConstructorReturn(this, (SkewBase.__proto__ || Object.getPrototypeOf(SkewBase)).call(this, s));
+              _classCallCheck(this, SkewBase);
 
+              _this3 = _possibleConstructorReturn(this, _getPrototypeOf(SkewBase).call(this, s));
               _this3.angle = new svg.Property('angle', s);
               return _this3;
             }
@@ -1527,28 +1609,34 @@ var svgEditorExtension_server_opensave = (function () {
           }(this.Type.matrix)
         });
         Object.assign(this.Type, {
-          skewX: function (_Type$SkewBase) {
-            inherits(skewX, _Type$SkewBase);
+          skewX:
+          /*#__PURE__*/
+          function (_this$Type$SkewBase) {
+            _inherits(skewX, _this$Type$SkewBase);
 
             function skewX(s) {
-              classCallCheck(this, skewX);
+              var _this4;
 
-              var _this4 = possibleConstructorReturn(this, (skewX.__proto__ || Object.getPrototypeOf(skewX)).call(this, s));
+              _classCallCheck(this, skewX);
 
+              _this4 = _possibleConstructorReturn(this, _getPrototypeOf(skewX).call(this, s));
               _this4.m = [1, 0, Math.tan(_this4.angle.toRadians()), 1, 0, 0];
               return _this4;
             }
 
             return skewX;
           }(this.Type.SkewBase),
-          skewY: function (_Type$SkewBase2) {
-            inherits(skewY, _Type$SkewBase2);
+          skewY:
+          /*#__PURE__*/
+          function (_this$Type$SkewBase2) {
+            _inherits(skewY, _this$Type$SkewBase2);
 
             function skewY(s) {
-              classCallCheck(this, skewY);
+              var _this5;
 
-              var _this5 = possibleConstructorReturn(this, (skewY.__proto__ || Object.getPrototypeOf(skewY)).call(this, s));
+              _classCallCheck(this, skewY);
 
+              _this5 = _possibleConstructorReturn(this, _getPrototypeOf(skewY).call(this, s));
               _this5.m = [1, Math.tan(_this5.angle.toRadians()), 0, 1, 0, 0];
               return _this5;
             }
@@ -1556,7 +1644,6 @@ var svgEditorExtension_server_opensave = (function () {
             return skewY;
           }(this.Type.SkewBase)
         });
-
         var data = svg.trim(svg.compressSpaces(v)).replace(/\)([a-zA-Z])/g, ') $1').replace(/\)(\s?,\s?)/g, ') ').split(/\s(?=[a-z])/);
         this.transforms = data.map(function (d) {
           var type = svg.trim(d.split('(')[0]);
@@ -1567,53 +1654,59 @@ var svgEditorExtension_server_opensave = (function () {
         });
       }
 
-      createClass(_class3, [{
-        key: 'apply',
+      _createClass(_class3, [{
+        key: "apply",
         value: function apply(ctx) {
           this.transforms.forEach(function (transform) {
             transform.apply(ctx);
           });
         }
       }, {
-        key: 'unapply',
+        key: "unapply",
         value: function unapply(ctx) {
           for (var i = this.transforms.length - 1; i >= 0; i--) {
             this.transforms[i].unapply(ctx);
           }
         }
       }, {
-        key: 'applyToPoint',
+        key: "applyToPoint",
         value: function applyToPoint(p) {
           this.transforms.forEach(function (transform) {
             transform.applyToPoint(p);
           });
         }
       }]);
-      return _class3;
-    }();
 
-    // aspect ratio
+      return _class3;
+    }(); // aspect ratio
+
+
     svg.AspectRatio = function (ctx, aspectRatio, width, desiredWidth, height, desiredHeight, minX, minY, refX, refY) {
       // aspect ratio - https://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute
       aspectRatio = svg.compressSpaces(aspectRatio);
       aspectRatio = aspectRatio.replace(/^defer\s/, ''); // ignore defer
-      var align = aspectRatio.split(' ')[0] || 'xMidYMid';
-      var meetOrSlice = aspectRatio.split(' ')[1] || 'meet';
 
-      // calculate scale
+      var align = aspectRatio.split(' ')[0] || 'xMidYMid';
+      var meetOrSlice = aspectRatio.split(' ')[1] || 'meet'; // calculate scale
+
       var scaleX = width / desiredWidth;
       var scaleY = height / desiredHeight;
       var scaleMin = Math.min(scaleX, scaleY);
       var scaleMax = Math.max(scaleX, scaleY);
+
       if (meetOrSlice === 'meet') {
-        desiredWidth *= scaleMin;desiredHeight *= scaleMin;
+        desiredWidth *= scaleMin;
+        desiredHeight *= scaleMin;
       }
+
       if (meetOrSlice === 'slice') {
-        desiredWidth *= scaleMax;desiredHeight *= scaleMax;
+        desiredWidth *= scaleMax;
+        desiredHeight *= scaleMax;
       }
 
       refX = new svg.Property('refX', refX);
       refY = new svg.Property('refY', refY);
+
       if (refX.hasValue() && refY.hasValue()) {
         ctx.translate(-scaleMin * refX.toPixels('x'), -scaleMin * refY.toPixels('y'));
       } else {
@@ -1622,92 +1715,104 @@ var svgEditorExtension_server_opensave = (function () {
         if (align.match(/YMid$/) && (meetOrSlice === 'meet' && scaleMin === scaleX || meetOrSlice === 'slice' && scaleMax === scaleX)) ctx.translate(0, height / 2.0 - desiredHeight / 2.0);
         if (align.match(/^xMax/) && (meetOrSlice === 'meet' && scaleMin === scaleY || meetOrSlice === 'slice' && scaleMax === scaleY)) ctx.translate(width - desiredWidth, 0);
         if (align.match(/YMax$/) && (meetOrSlice === 'meet' && scaleMin === scaleX || meetOrSlice === 'slice' && scaleMax === scaleX)) ctx.translate(0, height - desiredHeight);
-      }
+      } // scale
 
-      // scale
-      if (align === 'none') ctx.scale(scaleX, scaleY);else if (meetOrSlice === 'meet') ctx.scale(scaleMin, scaleMin);else if (meetOrSlice === 'slice') ctx.scale(scaleMax, scaleMax);
 
-      // translate
+      if (align === 'none') ctx.scale(scaleX, scaleY);else if (meetOrSlice === 'meet') ctx.scale(scaleMin, scaleMin);else if (meetOrSlice === 'slice') ctx.scale(scaleMax, scaleMax); // translate
+
       ctx.translate(minX == null ? 0 : -minX, minY == null ? 0 : -minY);
-    };
+    }; // elements
+
 
-    // elements
     svg.Element = {};
-
     svg.EmptyProperty = new svg.Property('EMPTY', '');
 
-    svg.Element.ElementBase = function () {
+    svg.Element.ElementBase =
+    /*#__PURE__*/
+    function () {
       function _class4(node) {
         var _this7 = this;
 
-        classCallCheck(this, _class4);
+        _classCallCheck(this, _class4);
 
         this.captureTextNodes = arguments[1]; // Argument from inheriting class
+
         this.attributes = {};
         this.styles = {};
         this.children = [];
+
         if (node != null && node.nodeType === 1) {
           // ELEMENT_NODE
           // add children
-          [].concat(toConsumableArray(node.childNodes)).forEach(function (childNode) {
+          _toConsumableArray(node.childNodes).forEach(function (childNode) {
             if (childNode.nodeType === 1) {
               _this7.addChild(childNode, true); // ELEMENT_NODE
+
             }
+
             if (_this7.captureTextNodes && (childNode.nodeType === 3 || childNode.nodeType === 4)) {
               var text = childNode.nodeValue || childNode.text || '';
+
               if (svg.trim(svg.compressSpaces(text)) !== '') {
                 _this7.addChild(new svg.Element.tspan(childNode), false); // TEXT_NODE
+
               }
             }
-          });
+          }); // add attributes
 
-          // add attributes
-          [].concat(toConsumableArray(node.attributes)).forEach(function (_ref) {
+
+          _toConsumableArray(node.attributes).forEach(function (_ref) {
             var nodeName = _ref.nodeName,
                 nodeValue = _ref.nodeValue;
-
             _this7.attributes[nodeName] = new svg.Property(nodeName, nodeValue);
-          });
-          // add tag styles
+          }); // add tag styles
+
+
           var styles = svg.Styles[node.nodeName];
+
           if (styles != null) {
             for (var name in styles) {
               this.styles[name] = styles[name];
             }
-          }
+          } // add class styles
+
 
-          // add class styles
           if (this.attribute('class').hasValue()) {
             var classes = svg.compressSpaces(this.attribute('class').value).split(' ');
             classes.forEach(function (clss) {
               styles = svg.Styles['.' + clss];
+
               if (styles != null) {
                 for (var _name in styles) {
                   _this7.styles[_name] = styles[_name];
                 }
               }
+
               styles = svg.Styles[node.nodeName + '.' + clss];
+
               if (styles != null) {
                 for (var _name2 in styles) {
                   _this7.styles[_name2] = styles[_name2];
                 }
               }
             });
-          }
+          } // add id styles
+
 
-          // add id styles
           if (this.attribute('id').hasValue()) {
             var _styles = svg.Styles['#' + this.attribute('id').value];
+
             if (_styles != null) {
               for (var _name3 in _styles) {
                 this.styles[_name3] = _styles[_name3];
               }
             }
-          }
+          } // add inline styles
+
 
-          // add inline styles
           if (this.attribute('style').hasValue()) {
             var _styles2 = this.attribute('style').value.split(';');
+
             _styles2.forEach(function (style) {
               if (svg.trim(style) !== '') {
                 var _style$split = style.split(':'),
@@ -1719,60 +1824,62 @@ var svgEditorExtension_server_opensave = (function () {
                 _this7.styles[_name4] = new svg.Property(_name4, value);
               }
             });
-          }
+          } // add id
+
 
-          // add id
           if (this.attribute('id').hasValue()) {
             if (svg.Definitions[this.attribute('id').value] == null) {
               svg.Definitions[this.attribute('id').value] = this;
             }
           }
         }
-      }
-
-      // get or create attribute
+      } // get or create attribute
 
 
-      createClass(_class4, [{
-        key: 'attribute',
+      _createClass(_class4, [{
+        key: "attribute",
         value: function attribute(name, createIfNotExists) {
           var a = this.attributes[name];
           if (a != null) return a;
 
           if (createIfNotExists === true) {
-            a = new svg.Property(name, '');this.attributes[name] = a;
+            a = new svg.Property(name, '');
+            this.attributes[name] = a;
           }
+
           return a || svg.EmptyProperty;
         }
       }, {
-        key: 'getHrefAttribute',
+        key: "getHrefAttribute",
         value: function getHrefAttribute() {
           for (var a in this.attributes) {
             if (a.match(/:href$/)) {
               return this.attributes[a];
             }
           }
-          return svg.EmptyProperty;
-        }
 
-        // get or create style, crawls up node tree
+          return svg.EmptyProperty;
+        } // get or create style, crawls up node tree
 
       }, {
-        key: 'style',
+        key: "style",
         value: function style(name, createIfNotExists, skipAncestors) {
           var s = this.styles[name];
           if (s != null) return s;
-
           var a = this.attribute(name);
+
           if (a != null && a.hasValue()) {
             this.styles[name] = a; // move up to me to cache
+
             return a;
           }
 
           if (skipAncestors !== true) {
             var p = this.parent;
+
             if (p != null) {
               var ps = p.style(name);
+
               if (ps != null && ps.hasValue()) {
                 return ps;
               }
@@ -1780,23 +1887,22 @@ var svgEditorExtension_server_opensave = (function () {
           }
 
           if (createIfNotExists === true) {
-            s = new svg.Property(name, '');this.styles[name] = s;
+            s = new svg.Property(name, '');
+            this.styles[name] = s;
           }
-          return s || svg.EmptyProperty;
-        }
 
-        // base render
+          return s || svg.EmptyProperty;
+        } // base render
 
       }, {
-        key: 'render',
+        key: "render",
         value: function render(ctx) {
           // don't render display=none
-          if (this.style('display').value === 'none') return;
+          if (this.style('display').value === 'none') return; // don't render visibility=hidden
 
-          // don't render visibility=hidden
           if (this.style('visibility').value === 'hidden') return;
-
           ctx.save();
+
           if (this.attribute('mask').hasValue()) {
             // mask
             var mask = this.attribute('mask').getDefinition();
@@ -1810,57 +1916,55 @@ var svgEditorExtension_server_opensave = (function () {
             this.renderChildren(ctx);
             this.clearContext(ctx);
           }
-          ctx.restore();
-        }
 
-        // base set context
+          ctx.restore();
+        } // base set context
 
       }, {
-        key: 'setContext',
-        value: function setContext(ctx) {}
-        // OVERRIDE ME!
-
-
+        key: "setContext",
+        value: function setContext(ctx) {} // OVERRIDE ME!
         // base clear context
 
       }, {
-        key: 'clearContext',
-        value: function clearContext(ctx) {}
-        // OVERRIDE ME!
-
-
+        key: "clearContext",
+        value: function clearContext(ctx) {} // OVERRIDE ME!
         // base render children
 
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           this.children.forEach(function (child) {
             child.render(ctx);
           });
         }
       }, {
-        key: 'addChild',
+        key: "addChild",
         value: function addChild(childNode, create) {
           var child = create ? svg.CreateElement(childNode) : childNode;
           child.parent = this;
+
           if (child.type !== 'title') {
             this.children.push(child);
           }
         }
       }]);
+
       return _class4;
     }();
 
-    svg.Element.RenderedElementBase = function (_svg$Element$ElementB) {
-      inherits(_class5, _svg$Element$ElementB);
+    svg.Element.RenderedElementBase =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB) {
+      _inherits(_class5, _svg$Element$ElementB);
 
       function _class5() {
-        classCallCheck(this, _class5);
-        return possibleConstructorReturn(this, (_class5.__proto__ || Object.getPrototypeOf(_class5)).apply(this, arguments));
+        _classCallCheck(this, _class5);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class5).apply(this, arguments));
       }
 
-      createClass(_class5, [{
-        key: 'setContext',
+      _createClass(_class5, [{
+        key: "setContext",
         value: function setContext(ctx) {
           // fill
           if (this.style('fill').isUrlDefinition()) {
@@ -1871,35 +1975,44 @@ var svgEditorExtension_server_opensave = (function () {
             if (fillStyle.value === 'currentColor') fillStyle.value = this.style('color').value;
             ctx.fillStyle = fillStyle.value === 'none' ? 'rgba(0,0,0,0)' : fillStyle.value;
           }
+
           if (this.style('fill-opacity').hasValue()) {
             var _fillStyle = new svg.Property('fill', ctx.fillStyle);
+
             _fillStyle = _fillStyle.addOpacity(this.style('fill-opacity'));
             ctx.fillStyle = _fillStyle.value;
-          }
+          } // stroke
+
 
-          // stroke
           if (this.style('stroke').isUrlDefinition()) {
             var _fs = this.style('stroke').getFillStyleDefinition(this, this.style('stroke-opacity'));
+
             if (_fs != null) ctx.strokeStyle = _fs;
           } else if (this.style('stroke').hasValue()) {
             var strokeStyle = this.style('stroke');
             if (strokeStyle.value === 'currentColor') strokeStyle.value = this.style('color').value;
             ctx.strokeStyle = strokeStyle.value === 'none' ? 'rgba(0,0,0,0)' : strokeStyle.value;
           }
+
           if (this.style('stroke-opacity').hasValue()) {
             var _strokeStyle = new svg.Property('stroke', ctx.strokeStyle);
+
             _strokeStyle = _strokeStyle.addOpacity(this.style('stroke-opacity'));
             ctx.strokeStyle = _strokeStyle.value;
           }
+
           if (this.style('stroke-width').hasValue()) {
             var newLineWidth = this.style('stroke-width').toPixels();
             ctx.lineWidth = newLineWidth === 0 ? 0.001 : newLineWidth; // browsers don't respect 0
           }
+
           if (this.style('stroke-linecap').hasValue()) ctx.lineCap = this.style('stroke-linecap').value;
           if (this.style('stroke-linejoin').hasValue()) ctx.lineJoin = this.style('stroke-linejoin').value;
           if (this.style('stroke-miterlimit').hasValue()) ctx.miterLimit = this.style('stroke-miterlimit').value;
+
           if (this.style('stroke-dasharray').hasValue() && this.style('stroke-dasharray').value !== 'none') {
             var gaps = svg.ToNumberArray(this.style('stroke-dasharray').value);
+
             if (typeof ctx.setLineDash !== 'undefined') {
               ctx.setLineDash(gaps);
             } else if (typeof ctx.webkitLineDash !== 'undefined') {
@@ -1909,6 +2022,7 @@ var svgEditorExtension_server_opensave = (function () {
             }
 
             var offset = this.style('stroke-dashoffset').numValueOrDefault(1);
+
             if (typeof ctx.lineDashOffset !== 'undefined') {
               ctx.lineDashOffset = offset;
             } else if (typeof ctx.webkitLineDashOffset !== 'undefined') {
@@ -1916,53 +2030,58 @@ var svgEditorExtension_server_opensave = (function () {
             } else if (typeof ctx.mozDashOffset !== 'undefined') {
               ctx.mozDashOffset = offset;
             }
-          }
+          } // font
+
 
-          // font
           if (typeof ctx.font !== 'undefined') {
             ctx.font = svg.Font.CreateFont(this.style('font-style').value, this.style('font-variant').value, this.style('font-weight').value, this.style('font-size').hasValue() ? this.style('font-size').toPixels() + 'px' : '', this.style('font-family').value).toString();
-          }
+          } // transform
+
 
-          // transform
           if (this.attribute('transform').hasValue()) {
             var transform = new svg.Transform(this.attribute('transform').value);
             transform.apply(ctx);
-          }
+          } // clip
+
 
-          // clip
           if (this.style('clip-path', false, true).hasValue()) {
             var clip = this.style('clip-path', false, true).getDefinition();
             if (clip != null) clip.apply(ctx);
-          }
+          } // opacity
+
 
-          // opacity
           if (this.style('opacity').hasValue()) {
             ctx.globalAlpha = this.style('opacity').numValue();
           }
         }
       }]);
+
       return _class5;
     }(svg.Element.ElementBase);
 
-    svg.Element.PathElementBase = function (_svg$Element$Rendered) {
-      inherits(_class6, _svg$Element$Rendered);
+    svg.Element.PathElementBase =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered) {
+      _inherits(_class6, _svg$Element$Rendered);
 
       function _class6() {
-        classCallCheck(this, _class6);
-        return possibleConstructorReturn(this, (_class6.__proto__ || Object.getPrototypeOf(_class6)).apply(this, arguments));
+        _classCallCheck(this, _class6);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class6).apply(this, arguments));
       }
 
-      createClass(_class6, [{
-        key: 'path',
+      _createClass(_class6, [{
+        key: "path",
         value: function path(ctx) {
           if (ctx != null) ctx.beginPath();
           return new svg.BoundingBox();
         }
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           this.path(ctx);
           svg.Mouse.checkPath(this, ctx);
+
           if (ctx.fillStyle !== '') {
             if (this.style('fill-rule').valueOrDefault('inherit') !== 'inherit') {
               ctx.fill(this.style('fill-rule').value);
@@ -1970,85 +2089,95 @@ var svgEditorExtension_server_opensave = (function () {
               ctx.fill();
             }
           }
-          if (ctx.strokeStyle !== '') ctx.stroke();
 
+          if (ctx.strokeStyle !== '') ctx.stroke();
           var markers = this.getMarkers();
+
           if (markers != null) {
             if (this.style('marker-start').isUrlDefinition()) {
               var marker = this.style('marker-start').getDefinition();
               marker.render(ctx, markers[0][0], markers[0][1]);
             }
+
             if (this.style('marker-mid').isUrlDefinition()) {
               var _marker = this.style('marker-mid').getDefinition();
+
               for (var i = 1; i < markers.length - 1; i++) {
                 _marker.render(ctx, markers[i][0], markers[i][1]);
               }
             }
+
             if (this.style('marker-end').isUrlDefinition()) {
               var _marker2 = this.style('marker-end').getDefinition();
+
               _marker2.render(ctx, markers[markers.length - 1][0], markers[markers.length - 1][1]);
             }
           }
         }
       }, {
-        key: 'getBoundingBox',
+        key: "getBoundingBox",
         value: function getBoundingBox() {
           return this.path();
         }
       }, {
-        key: 'getMarkers',
+        key: "getMarkers",
         value: function getMarkers() {
           return null;
         }
       }]);
-      return _class6;
-    }(svg.Element.RenderedElementBase);
 
-    // svg element
-    svg.Element.svg = function (_svg$Element$Rendered2) {
-      inherits(_class7, _svg$Element$Rendered2);
+      return _class6;
+    }(svg.Element.RenderedElementBase); // svg element
+
+
+    svg.Element.svg =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered2) {
+      _inherits(_class7, _svg$Element$Rendered2);
 
       function _class7() {
-        classCallCheck(this, _class7);
-        return possibleConstructorReturn(this, (_class7.__proto__ || Object.getPrototypeOf(_class7)).apply(this, arguments));
+        _classCallCheck(this, _class7);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class7).apply(this, arguments));
       }
 
-      createClass(_class7, [{
-        key: 'clearContext',
+      _createClass(_class7, [{
+        key: "clearContext",
         value: function clearContext(ctx) {
-          get(_class7.prototype.__proto__ || Object.getPrototypeOf(_class7.prototype), 'clearContext', this).call(this, ctx);
+          _get(_getPrototypeOf(_class7.prototype), "clearContext", this).call(this, ctx);
+
           svg.ViewPort.RemoveCurrent();
         }
       }, {
-        key: 'setContext',
+        key: "setContext",
         value: function setContext(ctx) {
           // initial values and defaults
           ctx.strokeStyle = 'rgba(0,0,0,0)';
           ctx.lineCap = 'butt';
           ctx.lineJoin = 'miter';
           ctx.miterLimit = 4;
+
           if (typeof ctx.font !== 'undefined' && typeof window.getComputedStyle !== 'undefined') {
             ctx.font = window.getComputedStyle(ctx.canvas).getPropertyValue('font');
           }
 
-          get(_class7.prototype.__proto__ || Object.getPrototypeOf(_class7.prototype), 'setContext', this).call(this, ctx);
+          _get(_getPrototypeOf(_class7.prototype), "setContext", this).call(this, ctx); // create new view port
+
 
-          // create new view port
           if (!this.attribute('x').hasValue()) this.attribute('x', true).value = 0;
           if (!this.attribute('y').hasValue()) this.attribute('y', true).value = 0;
           ctx.translate(this.attribute('x').toPixels('x'), this.attribute('y').toPixels('y'));
-
           var width = svg.ViewPort.width();
           var height = svg.ViewPort.height();
-
           if (!this.attribute('width').hasValue()) this.attribute('width', true).value = '100%';
           if (!this.attribute('height').hasValue()) this.attribute('height', true).value = '100%';
+
           if (typeof this.root === 'undefined') {
             width = this.attribute('width').toPixels('x');
             height = this.attribute('height').toPixels('y');
-
             var x = 0;
             var y = 0;
+
             if (this.attribute('refX').hasValue() && this.attribute('refY').hasValue()) {
               x = -this.attribute('refX').toPixels('x');
               y = -this.attribute('refY').toPixels('y');
@@ -2064,37 +2193,39 @@ var svgEditorExtension_server_opensave = (function () {
               ctx.clip();
             }
           }
-          svg.ViewPort.SetCurrent(width, height);
 
-          // viewbox
+          svg.ViewPort.SetCurrent(width, height); // viewbox
+
           if (this.attribute('viewBox').hasValue()) {
             var viewBox = svg.ToNumberArray(this.attribute('viewBox').value);
             var minX = viewBox[0];
             var minY = viewBox[1];
             width = viewBox[2];
             height = viewBox[3];
-
             svg.AspectRatio(ctx, this.attribute('preserveAspectRatio').value, svg.ViewPort.width(), width, svg.ViewPort.height(), height, minX, minY, this.attribute('refX').value, this.attribute('refY').value);
-
             svg.ViewPort.RemoveCurrent();
             svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]);
           }
         }
       }]);
-      return _class7;
-    }(svg.Element.RenderedElementBase);
 
-    // rect element
-    svg.Element.rect = function (_svg$Element$PathElem) {
-      inherits(_class8, _svg$Element$PathElem);
+      return _class7;
+    }(svg.Element.RenderedElementBase); // rect element
+
+
+    svg.Element.rect =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem) {
+      _inherits(_class8, _svg$Element$PathElem);
 
       function _class8() {
-        classCallCheck(this, _class8);
-        return possibleConstructorReturn(this, (_class8.__proto__ || Object.getPrototypeOf(_class8)).apply(this, arguments));
+        _classCallCheck(this, _class8);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class8).apply(this, arguments));
       }
 
-      createClass(_class8, [{
-        key: 'path',
+      _createClass(_class8, [{
+        key: "path",
         value: function path(ctx) {
           var x = this.attribute('x').toPixels('x');
           var y = this.attribute('y').toPixels('y');
@@ -2106,6 +2237,7 @@ var svgEditorExtension_server_opensave = (function () {
           if (this.attribute('ry').hasValue() && !this.attribute('rx').hasValue()) rx = ry;
           rx = Math.min(rx, width / 2.0);
           ry = Math.min(ry, height / 2.0);
+
           if (ctx != null) {
             ctx.beginPath();
             ctx.moveTo(x + rx, y);
@@ -2123,20 +2255,24 @@ var svgEditorExtension_server_opensave = (function () {
           return new svg.BoundingBox(x, y, x + width, y + height);
         }
       }]);
-      return _class8;
-    }(svg.Element.PathElementBase);
 
-    // circle element
-    svg.Element.circle = function (_svg$Element$PathElem2) {
-      inherits(_class9, _svg$Element$PathElem2);
+      return _class8;
+    }(svg.Element.PathElementBase); // circle element
+
+
+    svg.Element.circle =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem2) {
+      _inherits(_class9, _svg$Element$PathElem2);
 
       function _class9() {
-        classCallCheck(this, _class9);
-        return possibleConstructorReturn(this, (_class9.__proto__ || Object.getPrototypeOf(_class9)).apply(this, arguments));
+        _classCallCheck(this, _class9);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class9).apply(this, arguments));
       }
 
-      createClass(_class9, [{
-        key: 'path',
+      _createClass(_class9, [{
+        key: "path",
         value: function path(ctx) {
           var cx = this.attribute('cx').toPixels('x');
           var cy = this.attribute('cy').toPixels('y');
@@ -2151,21 +2287,26 @@ var svgEditorExtension_server_opensave = (function () {
           return new svg.BoundingBox(cx - r, cy - r, cx + r, cy + r);
         }
       }]);
-      return _class9;
-    }(svg.Element.PathElementBase);
 
-    // ellipse element
+      return _class9;
+    }(svg.Element.PathElementBase); // ellipse element
+
+
     var KAPPA = 4 * ((Math.sqrt(2) - 1) / 3);
-    svg.Element.ellipse = function (_svg$Element$PathElem3) {
-      inherits(_class10, _svg$Element$PathElem3);
+
+    svg.Element.ellipse =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem3) {
+      _inherits(_class10, _svg$Element$PathElem3);
 
       function _class10() {
-        classCallCheck(this, _class10);
-        return possibleConstructorReturn(this, (_class10.__proto__ || Object.getPrototypeOf(_class10)).apply(this, arguments));
+        _classCallCheck(this, _class10);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class10).apply(this, arguments));
       }
 
-      createClass(_class10, [{
-        key: 'path',
+      _createClass(_class10, [{
+        key: "path",
         value: function path(ctx) {
           var rx = this.attribute('rx').toPixels('x');
           var ry = this.attribute('ry').toPixels('y');
@@ -2185,25 +2326,29 @@ var svgEditorExtension_server_opensave = (function () {
           return new svg.BoundingBox(cx - rx, cy - ry, cx + rx, cy + ry);
         }
       }]);
-      return _class10;
-    }(svg.Element.PathElementBase);
 
-    // line element
-    svg.Element.line = function (_svg$Element$PathElem4) {
-      inherits(_class11, _svg$Element$PathElem4);
+      return _class10;
+    }(svg.Element.PathElementBase); // line element
+
+
+    svg.Element.line =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem4) {
+      _inherits(_class11, _svg$Element$PathElem4);
 
       function _class11() {
-        classCallCheck(this, _class11);
-        return possibleConstructorReturn(this, (_class11.__proto__ || Object.getPrototypeOf(_class11)).apply(this, arguments));
+        _classCallCheck(this, _class11);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class11).apply(this, arguments));
       }
 
-      createClass(_class11, [{
-        key: 'getPoints',
+      _createClass(_class11, [{
+        key: "getPoints",
         value: function getPoints() {
           return [new svg.Point(this.attribute('x1').toPixels('x'), this.attribute('y1').toPixels('y')), new svg.Point(this.attribute('x2').toPixels('x'), this.attribute('y2').toPixels('y'))];
         }
       }, {
-        key: 'path',
+        key: "path",
         value: function path(ctx) {
           var points = this.getPoints();
 
@@ -2216,99 +2361,116 @@ var svgEditorExtension_server_opensave = (function () {
           return new svg.BoundingBox(points[0].x, points[0].y, points[1].x, points[1].y);
         }
       }, {
-        key: 'getMarkers',
+        key: "getMarkers",
         value: function getMarkers() {
           var points = this.getPoints();
           var a = points[0].angleTo(points[1]);
           return [[points[0], a], [points[1], a]];
         }
       }]);
-      return _class11;
-    }(svg.Element.PathElementBase);
 
-    // polyline element
-    svg.Element.polyline = function (_svg$Element$PathElem5) {
-      inherits(_class12, _svg$Element$PathElem5);
+      return _class11;
+    }(svg.Element.PathElementBase); // polyline element
+
+
+    svg.Element.polyline =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem5) {
+      _inherits(_class12, _svg$Element$PathElem5);
 
       function _class12(node) {
-        classCallCheck(this, _class12);
+        var _this8;
 
-        var _this15 = possibleConstructorReturn(this, (_class12.__proto__ || Object.getPrototypeOf(_class12)).call(this, node));
+        _classCallCheck(this, _class12);
 
-        _this15.points = svg.CreatePath(_this15.attribute('points').value);
-        return _this15;
+        _this8 = _possibleConstructorReturn(this, _getPrototypeOf(_class12).call(this, node));
+        _this8.points = svg.CreatePath(_this8.attribute('points').value);
+        return _this8;
       }
 
-      createClass(_class12, [{
-        key: 'path',
+      _createClass(_class12, [{
+        key: "path",
         value: function path(ctx) {
-          var _points$ = this.points[0],
-              x = _points$.x,
-              y = _points$.y;
-
+          var _this$points$ = this.points[0],
+              x = _this$points$.x,
+              y = _this$points$.y;
           var bb = new svg.BoundingBox(x, y);
+
           if (ctx != null) {
             ctx.beginPath();
             ctx.moveTo(x, y);
           }
-          for (var i = 1; i < this.points.length; i++) {
-            var _points$i = this.points[i],
-                _x = _points$i.x,
-                _y = _points$i.y;
 
+          for (var i = 1; i < this.points.length; i++) {
+            var _this$points$i = this.points[i],
+                _x = _this$points$i.x,
+                _y = _this$points$i.y;
             bb.addPoint(_x, _y);
             if (ctx != null) ctx.lineTo(_x, _y);
           }
+
           return bb;
         }
       }, {
-        key: 'getMarkers',
+        key: "getMarkers",
         value: function getMarkers() {
           var markers = [];
+
           for (var i = 0; i < this.points.length - 1; i++) {
             markers.push([this.points[i], this.points[i].angleTo(this.points[i + 1])]);
           }
+
           markers.push([this.points[this.points.length - 1], markers[markers.length - 1][1]]);
           return markers;
         }
       }]);
-      return _class12;
-    }(svg.Element.PathElementBase);
 
-    // polygon element
-    svg.Element.polygon = function (_svg$Element$polyline) {
-      inherits(_class13, _svg$Element$polyline);
+      return _class12;
+    }(svg.Element.PathElementBase); // polygon element
+
+
+    svg.Element.polygon =
+    /*#__PURE__*/
+    function (_svg$Element$polyline) {
+      _inherits(_class13, _svg$Element$polyline);
 
       function _class13() {
-        classCallCheck(this, _class13);
-        return possibleConstructorReturn(this, (_class13.__proto__ || Object.getPrototypeOf(_class13)).apply(this, arguments));
+        _classCallCheck(this, _class13);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class13).apply(this, arguments));
       }
 
-      createClass(_class13, [{
-        key: 'path',
+      _createClass(_class13, [{
+        key: "path",
         value: function path(ctx) {
-          var bb = get(_class13.prototype.__proto__ || Object.getPrototypeOf(_class13.prototype), 'path', this).call(this, ctx);
+          var bb = _get(_getPrototypeOf(_class13.prototype), "path", this).call(this, ctx);
+
           if (ctx != null) {
             ctx.lineTo(this.points[0].x, this.points[0].y);
             ctx.closePath();
           }
+
           return bb;
         }
       }]);
-      return _class13;
-    }(svg.Element.polyline);
 
-    // path element
-    svg.Element.path = function (_svg$Element$PathElem6) {
-      inherits(_class14, _svg$Element$PathElem6);
+      return _class13;
+    }(svg.Element.polyline); // path element
+
+
+    svg.Element.path =
+    /*#__PURE__*/
+    function (_svg$Element$PathElem6) {
+      _inherits(_class14, _svg$Element$PathElem6);
 
       function _class14(node) {
-        classCallCheck(this, _class14);
+        var _this9;
 
-        var _this17 = possibleConstructorReturn(this, (_class14.__proto__ || Object.getPrototypeOf(_class14)).call(this, node));
+        _classCallCheck(this, _class14);
 
-        var d = _this17.attribute('d').value
-        // TODO: convert to real lexer based on https://www.w3.org/TR/SVG11/paths.html#PathDataBNF
+        _this9 = _possibleConstructorReturn(this, _getPrototypeOf(_class14).call(this, node));
+
+        var d = _this9.attribute('d').value // TODO: convert to real lexer based on https://www.w3.org/TR/SVG11/paths.html#PathDataBNF
         .replace(/,/gm, ' ') // get rid of all commas
         .replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm, '$1 $2') // separate commands from commands
         .replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm, '$1 $2') // separate commands from commands
@@ -2317,11 +2479,13 @@ var svgEditorExtension_server_opensave = (function () {
         .replace(/([0-9])([+-])/gm, '$1 $2') // separate digits when no comma
         .replace(/(\.[0-9]*)(\.)/gm, '$1 $2') // separate digits when no comma
         .replace(/([Aa](\s+[0-9]+){3})\s+([01])\s*([01])/gm, '$1 $3 $4 '); // shorthand elliptical arc path syntax
-        d = svg.compressSpaces(d); // compress multiple spaces
-        d = svg.trim(d);
-        _this17.PathParser = {
-          tokens: d.split(' '),
 
+
+        d = svg.compressSpaces(d); // compress multiple spaces
+
+        d = svg.trim(d);
+        _this9.PathParser = {
+          tokens: d.split(' '),
           reset: function reset() {
             this.i = -1;
             this.command = '';
@@ -2353,6 +2517,7 @@ var svgEditorExtension_server_opensave = (function () {
               case 'z':
                 return true;
             }
+
             return false;
           },
           getToken: function getToken() {
@@ -2383,9 +2548,9 @@ var svgEditorExtension_server_opensave = (function () {
           getReflectedControlPoint: function getReflectedControlPoint() {
             if (this.previousCommand.toLowerCase() !== 'c' && this.previousCommand.toLowerCase() !== 's' && this.previousCommand.toLowerCase() !== 'q' && this.previousCommand.toLowerCase() !== 't') {
               return this.current;
-            }
+            } // reflect point
+
 
-            // reflect point
             var p = new svg.Point(2 * this.current.x - this.control.x, 2 * this.current.y - this.control.y);
             return p;
           },
@@ -2394,6 +2559,7 @@ var svgEditorExtension_server_opensave = (function () {
               p.x += this.current.x;
               p.y += this.current.y;
             }
+
             return p;
           },
           addMarker: function addMarker(p, from, priorTo) {
@@ -2401,6 +2567,7 @@ var svgEditorExtension_server_opensave = (function () {
             if (priorTo != null && this.angles.length > 0 && this.angles[this.angles.length - 1] == null) {
               this.angles[this.angles.length - 1] = this.points[this.points.length - 1].angleTo(priorTo);
             }
+
             this.addMarkerAngle(p, from == null ? null : from.angleTo(p));
           },
           addMarkerAngle: function addMarkerAngle(p, a) {
@@ -2421,22 +2588,24 @@ var svgEditorExtension_server_opensave = (function () {
                 }
               }
             }
+
             return this.angles;
           }
         };
-        return _this17;
+        return _this9;
       }
 
-      createClass(_class14, [{
-        key: 'path',
+      _createClass(_class14, [{
+        key: "path",
         value: function path(ctx) {
           var pp = this.PathParser;
           pp.reset();
-
           var bb = new svg.BoundingBox();
           if (ctx != null) ctx.beginPath();
+
           while (!pp.isEnd()) {
             pp.nextCommand();
+
             switch (pp.command) {
               case 'M':
               case 'm':
@@ -2445,23 +2614,31 @@ var svgEditorExtension_server_opensave = (function () {
                 bb.addPoint(p.x, p.y);
                 if (ctx != null) ctx.moveTo(p.x, p.y);
                 pp.start = pp.current;
+
                 while (!pp.isCommandOrEnd()) {
                   var _p = pp.getAsCurrentPoint();
+
                   pp.addMarker(_p, pp.start);
                   bb.addPoint(_p.x, _p.y);
                   if (ctx != null) ctx.lineTo(_p.x, _p.y);
                 }
+
                 break;
+
               case 'L':
               case 'l':
                 while (!pp.isCommandOrEnd()) {
-                  var _c = pp.current;
+                  var c = pp.current;
+
                   var _p2 = pp.getAsCurrentPoint();
-                  pp.addMarker(_p2, _c);
+
+                  pp.addMarker(_p2, c);
                   bb.addPoint(_p2.x, _p2.y);
                   if (ctx != null) ctx.lineTo(_p2.x, _p2.y);
                 }
+
                 break;
+
               case 'H':
               case 'h':
                 while (!pp.isCommandOrEnd()) {
@@ -2471,17 +2648,22 @@ var svgEditorExtension_server_opensave = (function () {
                   bb.addPoint(pp.current.x, pp.current.y);
                   if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
                 }
+
                 break;
+
               case 'V':
               case 'v':
                 while (!pp.isCommandOrEnd()) {
                   var _newP = new svg.Point(pp.current.x, (pp.isRelativeCommand() ? pp.current.y : 0) + pp.getScalar());
+
                   pp.addMarker(_newP, pp.current);
                   pp.current = _newP;
                   bb.addPoint(pp.current.x, pp.current.y);
                   if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
                 }
+
                 break;
+
               case 'C':
               case 'c':
                 while (!pp.isCommandOrEnd()) {
@@ -2493,42 +2675,61 @@ var svgEditorExtension_server_opensave = (function () {
                   bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
                   if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
                 }
+
                 break;
+
               case 'S':
               case 's':
                 while (!pp.isCommandOrEnd()) {
                   var _curr = pp.current;
+
                   var _p3 = pp.getReflectedControlPoint();
+
                   var _cntrl = pp.getAsControlPoint();
+
                   var _cp = pp.getAsCurrentPoint();
+
                   pp.addMarker(_cp, _cntrl, _p3);
                   bb.addBezierCurve(_curr.x, _curr.y, _p3.x, _p3.y, _cntrl.x, _cntrl.y, _cp.x, _cp.y);
                   if (ctx != null) ctx.bezierCurveTo(_p3.x, _p3.y, _cntrl.x, _cntrl.y, _cp.x, _cp.y);
                 }
+
                 break;
+
               case 'Q':
               case 'q':
                 while (!pp.isCommandOrEnd()) {
                   var _curr2 = pp.current;
+
                   var _cntrl2 = pp.getAsControlPoint();
+
                   var _cp2 = pp.getAsCurrentPoint();
+
                   pp.addMarker(_cp2, _cntrl2, _cntrl2);
                   bb.addQuadraticCurve(_curr2.x, _curr2.y, _cntrl2.x, _cntrl2.y, _cp2.x, _cp2.y);
                   if (ctx != null) ctx.quadraticCurveTo(_cntrl2.x, _cntrl2.y, _cp2.x, _cp2.y);
                 }
+
                 break;
+
               case 'T':
               case 't':
                 while (!pp.isCommandOrEnd()) {
                   var _curr3 = pp.current;
+
                   var _cntrl3 = pp.getReflectedControlPoint();
+
                   pp.control = _cntrl3;
+
                   var _cp3 = pp.getAsCurrentPoint();
+
                   pp.addMarker(_cp3, _cntrl3, _cntrl3);
                   bb.addQuadraticCurve(_curr3.x, _curr3.y, _cntrl3.x, _cntrl3.y, _cp3.x, _cp3.y);
                   if (ctx != null) ctx.quadraticCurveTo(_cntrl3.x, _cntrl3.y, _cp3.x, _cp3.y);
                 }
+
                 break;
+
               case 'A':
               case 'a':
                 var _loop2 = function _loop2() {
@@ -2538,59 +2739,61 @@ var svgEditorExtension_server_opensave = (function () {
                   var xAxisRotation = pp.getScalar() * (Math.PI / 180.0);
                   var largeArcFlag = pp.getScalar();
                   var sweepFlag = pp.getScalar();
-                  var cp = pp.getAsCurrentPoint();
-
-                  // Conversion from endpoint to center parameterization
+                  var cp = pp.getAsCurrentPoint(); // Conversion from endpoint to center parameterization
                   // https://www.w3.org/TR/SVG11/implnote.html#ArcConversionEndpointToCenter
-
                   // x1', y1'
-                  var currp = new svg.Point(Math.cos(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.sin(xAxisRotation) * (curr.y - cp.y) / 2.0, -Math.sin(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.cos(xAxisRotation) * (curr.y - cp.y) / 2.0);
-                  // adjust radii
+
+                  var currp = new svg.Point(Math.cos(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.sin(xAxisRotation) * (curr.y - cp.y) / 2.0, -Math.sin(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.cos(xAxisRotation) * (curr.y - cp.y) / 2.0); // adjust radii
+
                   var l = Math.pow(currp.x, 2) / Math.pow(rx, 2) + Math.pow(currp.y, 2) / Math.pow(ry, 2);
+
                   if (l > 1) {
                     rx *= Math.sqrt(l);
                     ry *= Math.sqrt(l);
-                  }
-                  // cx', cy'
+                  } // cx', cy'
+
+
                   var s = (largeArcFlag === sweepFlag ? -1 : 1) * Math.sqrt((Math.pow(rx, 2) * Math.pow(ry, 2) - Math.pow(rx, 2) * Math.pow(currp.y, 2) - Math.pow(ry, 2) * Math.pow(currp.x, 2)) / (Math.pow(rx, 2) * Math.pow(currp.y, 2) + Math.pow(ry, 2) * Math.pow(currp.x, 2)));
                   if (isNaN(s)) s = 0;
-                  var cpp = new svg.Point(s * rx * currp.y / ry, s * -ry * currp.x / rx);
-                  // cx, cy
-                  var centp = new svg.Point((curr.x + cp.x) / 2.0 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y, (curr.y + cp.y) / 2.0 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y);
-                  // vector magnitude
+                  var cpp = new svg.Point(s * rx * currp.y / ry, s * -ry * currp.x / rx); // cx, cy
+
+                  var centp = new svg.Point((curr.x + cp.x) / 2.0 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y, (curr.y + cp.y) / 2.0 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y); // vector magnitude
+
                   var m = function m(v) {
                     return Math.sqrt(Math.pow(v[0], 2) + Math.pow(v[1], 2));
-                  };
-                  // ratio between two vectors
+                  }; // ratio between two vectors
+
+
                   var r = function r(u, v) {
                     return (u[0] * v[0] + u[1] * v[1]) / (m(u) * m(v));
-                  };
-                  // angle between two vectors
+                  }; // angle between two vectors
+
+
                   var a = function a(u, v) {
                     return (u[0] * v[1] < u[1] * v[0] ? -1 : 1) * Math.acos(r(u, v));
-                  };
-                  // initial angle
-                  var a1 = a([1, 0], [(currp.x - cpp.x) / rx, (currp.y - cpp.y) / ry]);
-                  // angle delta
+                  }; // initial angle
+
+
+                  var a1 = a([1, 0], [(currp.x - cpp.x) / rx, (currp.y - cpp.y) / ry]); // angle delta
+
                   var u = [(currp.x - cpp.x) / rx, (currp.y - cpp.y) / ry];
                   var v = [(-currp.x - cpp.x) / rx, (-currp.y - cpp.y) / ry];
                   var ad = a(u, v);
                   if (r(u, v) <= -1) ad = Math.PI;
-                  if (r(u, v) >= 1) ad = 0;
+                  if (r(u, v) >= 1) ad = 0; // for markers
 
-                  // for markers
                   var dir = 1 - sweepFlag ? 1.0 : -1.0;
                   var ah = a1 + dir * (ad / 2.0);
                   var halfWay = new svg.Point(centp.x + rx * Math.cos(ah), centp.y + ry * Math.sin(ah));
                   pp.addMarkerAngle(halfWay, ah - dir * Math.PI / 2);
                   pp.addMarkerAngle(cp, ah - dir * Math.PI);
-
                   bb.addPoint(cp.x, cp.y); // TODO: this is too naive, make it better
+
                   if (ctx != null) {
                     var _r = rx > ry ? rx : ry;
+
                     var sx = rx > ry ? 1 : rx / ry;
                     var sy = rx > ry ? ry / rx : 1;
-
                     ctx.translate(centp.x, centp.y);
                     ctx.rotate(xAxisRotation);
                     ctx.scale(sx, sy);
@@ -2604,7 +2807,9 @@ var svgEditorExtension_server_opensave = (function () {
                 while (!pp.isCommandOrEnd()) {
                   _loop2();
                 }
+
                 break;
+
               case 'Z':
               case 'z':
                 if (ctx != null) ctx.closePath();
@@ -2615,51 +2820,54 @@ var svgEditorExtension_server_opensave = (function () {
           return bb;
         }
       }, {
-        key: 'getMarkers',
+        key: "getMarkers",
         value: function getMarkers() {
           var points = this.PathParser.getMarkerPoints();
           var angles = this.PathParser.getMarkerAngles();
-
           var markers = points.map(function (point, i) {
             return [point, angles[i]];
           });
           return markers;
         }
       }]);
-      return _class14;
-    }(svg.Element.PathElementBase);
 
-    // pattern element
-    svg.Element.pattern = function (_svg$Element$ElementB2) {
-      inherits(_class15, _svg$Element$ElementB2);
+      return _class14;
+    }(svg.Element.PathElementBase); // pattern element
+
+
+    svg.Element.pattern =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB2) {
+      _inherits(_class15, _svg$Element$ElementB2);
 
       function _class15() {
-        classCallCheck(this, _class15);
-        return possibleConstructorReturn(this, (_class15.__proto__ || Object.getPrototypeOf(_class15)).apply(this, arguments));
+        _classCallCheck(this, _class15);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class15).apply(this, arguments));
       }
 
-      createClass(_class15, [{
-        key: 'createPattern',
+      _createClass(_class15, [{
+        key: "createPattern",
         value: function createPattern(ctx, element) {
           var width = this.attribute('width').toPixels('x', true);
-          var height = this.attribute('height').toPixels('y', true);
+          var height = this.attribute('height').toPixels('y', true); // render me using a temporary svg element
 
-          // render me using a temporary svg element
           var tempSvg = new svg.Element.svg();
           tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value);
           tempSvg.attributes['width'] = new svg.Property('width', width + 'px');
           tempSvg.attributes['height'] = new svg.Property('height', height + 'px');
           tempSvg.attributes['transform'] = new svg.Property('transform', this.attribute('patternTransform').value);
           tempSvg.children = this.children;
-
           var c = document.createElement('canvas');
           c.width = width;
           c.height = height;
           var cctx = c.getContext('2d');
+
           if (this.attribute('x').hasValue() && this.attribute('y').hasValue()) {
             cctx.translate(this.attribute('x').toPixels('x', true), this.attribute('y').toPixels('y', true));
-          }
-          // render 3x3 grid so when we transform there's no white space on edges
+          } // render 3x3 grid so when we transform there's no white space on edges
+
+
           for (var x = -1; x <= 1; x++) {
             for (var y = -1; y <= 1; y++) {
               cctx.save();
@@ -2668,31 +2876,35 @@ var svgEditorExtension_server_opensave = (function () {
               cctx.restore();
             }
           }
+
           var pattern = ctx.createPattern(c, 'repeat');
           return pattern;
         }
       }]);
-      return _class15;
-    }(svg.Element.ElementBase);
 
-    // marker element
-    svg.Element.marker = function (_svg$Element$ElementB3) {
-      inherits(_class16, _svg$Element$ElementB3);
+      return _class15;
+    }(svg.Element.ElementBase); // marker element
+
+
+    svg.Element.marker =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB3) {
+      _inherits(_class16, _svg$Element$ElementB3);
 
       function _class16() {
-        classCallCheck(this, _class16);
-        return possibleConstructorReturn(this, (_class16.__proto__ || Object.getPrototypeOf(_class16)).apply(this, arguments));
+        _classCallCheck(this, _class16);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class16).apply(this, arguments));
       }
 
-      createClass(_class16, [{
-        key: 'render',
+      _createClass(_class16, [{
+        key: "render",
         value: function render(ctx, point, angle) {
           ctx.translate(point.x, point.y);
           if (this.attribute('orient').valueOrDefault('auto') === 'auto') ctx.rotate(angle);
           if (this.attribute('markerUnits').valueOrDefault('strokeWidth') === 'strokeWidth') ctx.scale(ctx.lineWidth, ctx.lineWidth);
-          ctx.save();
+          ctx.save(); // render me using a temporary svg element
 
-          // render me using a temporary svg element
           var tempSvg = new svg.Element.svg();
           tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value);
           tempSvg.attributes['refX'] = new svg.Property('refX', this.attribute('refX').value);
@@ -2703,61 +2915,67 @@ var svgEditorExtension_server_opensave = (function () {
           tempSvg.attributes['stroke'] = new svg.Property('stroke', this.attribute('stroke').valueOrDefault('none'));
           tempSvg.children = this.children;
           tempSvg.render(ctx);
-
           ctx.restore();
           if (this.attribute('markerUnits').valueOrDefault('strokeWidth') === 'strokeWidth') ctx.scale(1 / ctx.lineWidth, 1 / ctx.lineWidth);
           if (this.attribute('orient').valueOrDefault('auto') === 'auto') ctx.rotate(-angle);
           ctx.translate(-point.x, -point.y);
         }
       }]);
-      return _class16;
-    }(svg.Element.ElementBase);
 
-    // definitions element
-    svg.Element.defs = function (_svg$Element$ElementB4) {
-      inherits(_class17, _svg$Element$ElementB4);
+      return _class16;
+    }(svg.Element.ElementBase); // definitions element
+
+
+    svg.Element.defs =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB4) {
+      _inherits(_class17, _svg$Element$ElementB4);
 
       function _class17() {
-        classCallCheck(this, _class17);
-        return possibleConstructorReturn(this, (_class17.__proto__ || Object.getPrototypeOf(_class17)).apply(this, arguments));
+        _classCallCheck(this, _class17);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class17).apply(this, arguments));
       }
 
-      createClass(_class17, [{
-        key: 'render',
-        value: function render(ctx) {
-          // NOOP
+      _createClass(_class17, [{
+        key: "render",
+        value: function render(ctx) {// NOOP
         }
       }]);
-      return _class17;
-    }(svg.Element.ElementBase);
 
-    // base for gradients
-    svg.Element.GradientBase = function (_svg$Element$ElementB5) {
-      inherits(_class18, _svg$Element$ElementB5);
+      return _class17;
+    }(svg.Element.ElementBase); // base for gradients
+
+
+    svg.Element.GradientBase =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB5) {
+      _inherits(_class18, _svg$Element$ElementB5);
 
       function _class18(node) {
-        classCallCheck(this, _class18);
+        var _this10;
 
-        var _this21 = possibleConstructorReturn(this, (_class18.__proto__ || Object.getPrototypeOf(_class18)).call(this, node));
+        _classCallCheck(this, _class18);
 
-        _this21.gradientUnits = _this21.attribute('gradientUnits').valueOrDefault('objectBoundingBox');
+        _this10 = _possibleConstructorReturn(this, _getPrototypeOf(_class18).call(this, node));
+        _this10.gradientUnits = _this10.attribute('gradientUnits').valueOrDefault('objectBoundingBox');
+        _this10.stops = [];
 
-        _this21.stops = [];
-        _this21.children.forEach(function (child) {
+        _this10.children.forEach(function (child) {
           if (child.type === 'stop') {
-            _this21.stops.push(child);
+            _this10.stops.push(child);
           }
         });
-        return _this21;
+
+        return _this10;
       }
 
-      createClass(_class18, [{
-        key: 'getGradient',
-        value: function getGradient() {
-          // OVERRIDE ME!
+      _createClass(_class18, [{
+        key: "getGradient",
+        value: function getGradient() {// OVERRIDE ME!
         }
       }, {
-        key: 'createGradient',
+        key: "createGradient",
         value: function createGradient(ctx, element, parentOpacityProp) {
           var stopsContainer = this.getHrefAttribute().hasValue() ? this.getHrefAttribute().getDefinition() : this;
 
@@ -2766,6 +2984,7 @@ var svgEditorExtension_server_opensave = (function () {
               var p = new svg.Property('color', color);
               return p.addOpacity(parentOpacityProp).value;
             }
+
             return color;
           };
 
@@ -2774,57 +2993,56 @@ var svgEditorExtension_server_opensave = (function () {
           stopsContainer.stops.forEach(function (_ref2) {
             var offset = _ref2.offset,
                 color = _ref2.color;
-
             g.addColorStop(offset, addParentOpacity(color));
           });
 
           if (this.attribute('gradientTransform').hasValue()) {
             // render as transformed pattern on temporary canvas
             var rootView = svg.ViewPort.viewPorts[0];
-
             var rect = new svg.Element.rect();
             rect.attributes['x'] = new svg.Property('x', -svg.MAX_VIRTUAL_PIXELS / 3.0);
             rect.attributes['y'] = new svg.Property('y', -svg.MAX_VIRTUAL_PIXELS / 3.0);
             rect.attributes['width'] = new svg.Property('width', svg.MAX_VIRTUAL_PIXELS);
             rect.attributes['height'] = new svg.Property('height', svg.MAX_VIRTUAL_PIXELS);
-
             var group = new svg.Element.g();
             group.attributes['transform'] = new svg.Property('transform', this.attribute('gradientTransform').value);
             group.children = [rect];
-
             var tempSvg = new svg.Element.svg();
             tempSvg.attributes['x'] = new svg.Property('x', 0);
             tempSvg.attributes['y'] = new svg.Property('y', 0);
             tempSvg.attributes['width'] = new svg.Property('width', rootView.width);
             tempSvg.attributes['height'] = new svg.Property('height', rootView.height);
             tempSvg.children = [group];
-
-            var _c2 = document.createElement('canvas');
-            _c2.width = rootView.width;
-            _c2.height = rootView.height;
-            var tempCtx = _c2.getContext('2d');
+            var c = document.createElement('canvas');
+            c.width = rootView.width;
+            c.height = rootView.height;
+            var tempCtx = c.getContext('2d');
             tempCtx.fillStyle = g;
             tempSvg.render(tempCtx);
-            return tempCtx.createPattern(_c2, 'no-repeat');
+            return tempCtx.createPattern(c, 'no-repeat');
           }
 
           return g;
         }
       }]);
-      return _class18;
-    }(svg.Element.ElementBase);
 
-    // linear gradient element
-    svg.Element.linearGradient = function (_svg$Element$Gradient) {
-      inherits(_class19, _svg$Element$Gradient);
+      return _class18;
+    }(svg.Element.ElementBase); // linear gradient element
+
+
+    svg.Element.linearGradient =
+    /*#__PURE__*/
+    function (_svg$Element$Gradient) {
+      _inherits(_class19, _svg$Element$Gradient);
 
       function _class19() {
-        classCallCheck(this, _class19);
-        return possibleConstructorReturn(this, (_class19.__proto__ || Object.getPrototypeOf(_class19)).apply(this, arguments));
+        _classCallCheck(this, _class19);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class19).apply(this, arguments));
       }
 
-      createClass(_class19, [{
-        key: 'getGradient',
+      _createClass(_class19, [{
+        key: "getGradient",
         value: function getGradient(ctx, element) {
           var useBB = this.gradientUnits === 'objectBoundingBox' && element.getBoundingBox;
           var bb = useBB ? element.getBoundingBox() : null;
@@ -2840,105 +3058,112 @@ var svgEditorExtension_server_opensave = (function () {
           var y1 = useBB ? bb.y() + bb.height() * this.attribute('y1').numValue() : this.attribute('y1').toPixels('y');
           var x2 = useBB ? bb.x() + bb.width() * this.attribute('x2').numValue() : this.attribute('x2').toPixels('x');
           var y2 = useBB ? bb.y() + bb.height() * this.attribute('y2').numValue() : this.attribute('y2').toPixels('y');
-
           if (x1 === x2 && y1 === y2) return null;
           return ctx.createLinearGradient(x1, y1, x2, y2);
         }
       }]);
-      return _class19;
-    }(svg.Element.GradientBase);
 
-    // radial gradient element
-    svg.Element.radialGradient = function (_svg$Element$Gradient2) {
-      inherits(_class20, _svg$Element$Gradient2);
+      return _class19;
+    }(svg.Element.GradientBase); // radial gradient element
+
+
+    svg.Element.radialGradient =
+    /*#__PURE__*/
+    function (_svg$Element$Gradient2) {
+      _inherits(_class20, _svg$Element$Gradient2);
 
       function _class20() {
-        classCallCheck(this, _class20);
-        return possibleConstructorReturn(this, (_class20.__proto__ || Object.getPrototypeOf(_class20)).apply(this, arguments));
+        _classCallCheck(this, _class20);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class20).apply(this, arguments));
       }
 
-      createClass(_class20, [{
-        key: 'getGradient',
+      _createClass(_class20, [{
+        key: "getGradient",
         value: function getGradient(ctx, element) {
           var useBB = this.gradientUnits === 'objectBoundingBox' && element.getBoundingBox;
           var bb = useBB ? element.getBoundingBox() : null;
-
           if (!this.attribute('cx').hasValue()) this.attribute('cx', true).value = '50%';
           if (!this.attribute('cy').hasValue()) this.attribute('cy', true).value = '50%';
           if (!this.attribute('r').hasValue()) this.attribute('r', true).value = '50%';
-
           var cx = useBB ? bb.x() + bb.width() * this.attribute('cx').numValue() : this.attribute('cx').toPixels('x');
           var cy = useBB ? bb.y() + bb.height() * this.attribute('cy').numValue() : this.attribute('cy').toPixels('y');
-
           var fx = cx;
           var fy = cy;
+
           if (this.attribute('fx').hasValue()) {
             fx = useBB ? bb.x() + bb.width() * this.attribute('fx').numValue() : this.attribute('fx').toPixels('x');
           }
+
           if (this.attribute('fy').hasValue()) {
             fy = useBB ? bb.y() + bb.height() * this.attribute('fy').numValue() : this.attribute('fy').toPixels('y');
           }
 
           var r = useBB ? (bb.width() + bb.height()) / 2.0 * this.attribute('r').numValue() : this.attribute('r').toPixels();
-
           return ctx.createRadialGradient(fx, fy, 0, cx, cy, r);
         }
       }]);
-      return _class20;
-    }(svg.Element.GradientBase);
 
-    // gradient stop element
-    svg.Element.stop = function (_svg$Element$ElementB6) {
-      inherits(_class21, _svg$Element$ElementB6);
+      return _class20;
+    }(svg.Element.GradientBase); // gradient stop element
+
+
+    svg.Element.stop =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB6) {
+      _inherits(_class21, _svg$Element$ElementB6);
 
       function _class21(node) {
-        classCallCheck(this, _class21);
+        var _this11;
 
-        var _this24 = possibleConstructorReturn(this, (_class21.__proto__ || Object.getPrototypeOf(_class21)).call(this, node));
+        _classCallCheck(this, _class21);
 
-        _this24.offset = _this24.attribute('offset').numValue();
-        if (_this24.offset < 0) _this24.offset = 0;
-        if (_this24.offset > 1) _this24.offset = 1;
+        _this11 = _possibleConstructorReturn(this, _getPrototypeOf(_class21).call(this, node));
+        _this11.offset = _this11.attribute('offset').numValue();
+        if (_this11.offset < 0) _this11.offset = 0;
+        if (_this11.offset > 1) _this11.offset = 1;
 
-        var stopColor = _this24.style('stop-color');
-        if (_this24.style('stop-opacity').hasValue()) {
-          stopColor = stopColor.addOpacity(_this24.style('stop-opacity'));
+        var stopColor = _this11.style('stop-color');
+
+        if (_this11.style('stop-opacity').hasValue()) {
+          stopColor = stopColor.addOpacity(_this11.style('stop-opacity'));
         }
-        _this24.color = stopColor.value;
-        return _this24;
+
+        _this11.color = stopColor.value;
+        return _this11;
       }
 
       return _class21;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // animation base element
 
-    // animation base element
-    svg.Element.AnimateBase = function (_svg$Element$ElementB7) {
-      inherits(_class22, _svg$Element$ElementB7);
+
+    svg.Element.AnimateBase =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB7) {
+      _inherits(_class22, _svg$Element$ElementB7);
 
       function _class22(node) {
-        classCallCheck(this, _class22);
+        var _this12;
 
-        var _this25 = possibleConstructorReturn(this, (_class22.__proto__ || Object.getPrototypeOf(_class22)).call(this, node));
+        _classCallCheck(this, _class22);
 
-        svg.Animations.push(_this25);
-
-        _this25.duration = 0.0;
-        _this25.begin = _this25.attribute('begin').toMilliseconds();
-        _this25.maxDuration = _this25.begin + _this25.attribute('dur').toMilliseconds();
-
-        _this25.initialValue = null;
-        _this25.initialUnits = '';
-        _this25.removed = false;
-
-        _this25.from = _this25.attribute('from');
-        _this25.to = _this25.attribute('to');
-        _this25.values = _this25.attribute('values');
-        if (_this25.values.hasValue()) _this25.values.value = _this25.values.value.split(';');
-        return _this25;
+        _this12 = _possibleConstructorReturn(this, _getPrototypeOf(_class22).call(this, node));
+        svg.Animations.push(_assertThisInitialized(_assertThisInitialized(_this12)));
+        _this12.duration = 0.0;
+        _this12.begin = _this12.attribute('begin').toMilliseconds();
+        _this12.maxDuration = _this12.begin + _this12.attribute('dur').toMilliseconds();
+        _this12.initialValue = null;
+        _this12.initialUnits = '';
+        _this12.removed = false;
+        _this12.from = _this12.attribute('from');
+        _this12.to = _this12.attribute('to');
+        _this12.values = _this12.attribute('values');
+        if (_this12.values.hasValue()) _this12.values.value = _this12.values.value.split(';');
+        return _this12;
       }
 
-      createClass(_class22, [{
-        key: 'getProperty',
+      _createClass(_class22, [{
+        key: "getProperty",
         value: function getProperty() {
           var attributeType = this.attribute('attributeType').value;
           var attributeName = this.attribute('attributeName').value;
@@ -2946,24 +3171,25 @@ var svgEditorExtension_server_opensave = (function () {
           if (attributeType === 'CSS') {
             return this.parent.style(attributeName, true);
           }
+
           return this.parent.attribute(attributeName, true);
         }
       }, {
-        key: 'calcValue',
+        key: "calcValue",
         value: function calcValue() {
           // OVERRIDE ME!
           return '';
         }
       }, {
-        key: 'update',
+        key: "update",
         value: function update(delta) {
           // set initial value
           if (this.initialValue == null) {
             this.initialValue = this.getProperty().value;
             this.initialUnits = this.getProperty().getUnits();
-          }
+          } // if we're past the end time
+
 
-          // if we're past the end time
           if (this.duration > this.maxDuration) {
             // loop for indefinitely repeating animations
             if (this.attribute('repeatCount').value === 'indefinite' || this.attribute('repeatDur').value === 'indefinite') {
@@ -2977,12 +3203,14 @@ var svgEditorExtension_server_opensave = (function () {
               this.getProperty().value = this.parent.animationFrozen ? this.parent.animationFrozenValue : this.initialValue;
               return true;
             }
+
             return false;
           }
-          this.duration = this.duration + delta;
 
-          // if we're past the begin time
+          this.duration = this.duration + delta; // if we're past the begin time
+
           var updated = false;
+
           if (this.begin < this.duration) {
             var newValue = this.calcValue(); // tween
 
@@ -2997,14 +3225,15 @@ var svgEditorExtension_server_opensave = (function () {
           }
 
           return updated;
-        }
-
-        // fraction of duration we've covered
+        } // fraction of duration we've covered
 
       }, {
-        key: 'progress',
+        key: "progress",
         value: function progress() {
-          var ret = { progress: (this.duration - this.begin) / (this.maxDuration - this.begin) };
+          var ret = {
+            progress: (this.duration - this.begin) / (this.maxDuration - this.begin)
+          };
+
           if (this.values.hasValue()) {
             var p = ret.progress * (this.values.value.length - 1);
             var lb = Math.floor(p),
@@ -3016,45 +3245,53 @@ var svgEditorExtension_server_opensave = (function () {
             ret.from = this.from;
             ret.to = this.to;
           }
+
           return ret;
         }
       }]);
-      return _class22;
-    }(svg.Element.ElementBase);
 
-    // animate element
-    svg.Element.animate = function (_svg$Element$AnimateB) {
-      inherits(_class23, _svg$Element$AnimateB);
+      return _class22;
+    }(svg.Element.ElementBase); // animate element
+
+
+    svg.Element.animate =
+    /*#__PURE__*/
+    function (_svg$Element$AnimateB) {
+      _inherits(_class23, _svg$Element$AnimateB);
 
       function _class23() {
-        classCallCheck(this, _class23);
-        return possibleConstructorReturn(this, (_class23.__proto__ || Object.getPrototypeOf(_class23)).apply(this, arguments));
+        _classCallCheck(this, _class23);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class23).apply(this, arguments));
       }
 
-      createClass(_class23, [{
-        key: 'calcValue',
+      _createClass(_class23, [{
+        key: "calcValue",
         value: function calcValue() {
-          var p = this.progress();
+          var p = this.progress(); // tween value linearly
 
-          // tween value linearly
           var newValue = p.from.numValue() + (p.to.numValue() - p.from.numValue()) * p.progress;
           return newValue + this.initialUnits;
         }
       }]);
-      return _class23;
-    }(svg.Element.AnimateBase);
 
-    // animate color element
-    svg.Element.animateColor = function (_svg$Element$AnimateB2) {
-      inherits(_class24, _svg$Element$AnimateB2);
+      return _class23;
+    }(svg.Element.AnimateBase); // animate color element
+
+
+    svg.Element.animateColor =
+    /*#__PURE__*/
+    function (_svg$Element$AnimateB2) {
+      _inherits(_class24, _svg$Element$AnimateB2);
 
       function _class24() {
-        classCallCheck(this, _class24);
-        return possibleConstructorReturn(this, (_class24.__proto__ || Object.getPrototypeOf(_class24)).apply(this, arguments));
+        _classCallCheck(this, _class24);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class24).apply(this, arguments));
       }
 
-      createClass(_class24, [{
-        key: 'calcValue',
+      _createClass(_class24, [{
+        key: "calcValue",
         value: function calcValue() {
           var p = this.progress();
           var from = new RGBColor(p.from.value);
@@ -3062,32 +3299,36 @@ var svgEditorExtension_server_opensave = (function () {
 
           if (from.ok && to.ok) {
             // tween color linearly
-            var _r2 = from.r + (to.r - from.r) * p.progress;
+            var r = from.r + (to.r - from.r) * p.progress;
             var g = from.g + (to.g - from.g) * p.progress;
-            var _b = from.b + (to.b - from.b) * p.progress;
-            return 'rgb(' + parseInt(_r2, 10) + ',' + parseInt(g, 10) + ',' + parseInt(_b, 10) + ')';
+            var b = from.b + (to.b - from.b) * p.progress;
+            return 'rgb(' + parseInt(r, 10) + ',' + parseInt(g, 10) + ',' + parseInt(b, 10) + ')';
           }
+
           return this.attribute('from').value;
         }
       }]);
-      return _class24;
-    }(svg.Element.AnimateBase);
 
-    // animate transform element
-    svg.Element.animateTransform = function (_svg$Element$animate) {
-      inherits(_class25, _svg$Element$animate);
+      return _class24;
+    }(svg.Element.AnimateBase); // animate transform element
+
+
+    svg.Element.animateTransform =
+    /*#__PURE__*/
+    function (_svg$Element$animate) {
+      _inherits(_class25, _svg$Element$animate);
 
       function _class25() {
-        classCallCheck(this, _class25);
-        return possibleConstructorReturn(this, (_class25.__proto__ || Object.getPrototypeOf(_class25)).apply(this, arguments));
+        _classCallCheck(this, _class25);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class25).apply(this, arguments));
       }
 
-      createClass(_class25, [{
-        key: 'calcValue',
+      _createClass(_class25, [{
+        key: "calcValue",
         value: function calcValue() {
-          var p = this.progress();
+          var p = this.progress(); // tween value linearly
 
-          // tween value linearly
           var from = svg.ToNumberArray(p.from.value);
           var to = svg.ToNumberArray(p.to.value);
           var newValue = '';
@@ -3097,124 +3338,144 @@ var svgEditorExtension_server_opensave = (function () {
           return newValue;
         }
       }]);
-      return _class25;
-    }(svg.Element.animate);
 
-    // font element
-    svg.Element.font = function (_svg$Element$ElementB8) {
-      inherits(_class26, _svg$Element$ElementB8);
+      return _class25;
+    }(svg.Element.animate); // font element
+
+
+    svg.Element.font =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB8) {
+      _inherits(_class26, _svg$Element$ElementB8);
 
       function _class26(node) {
-        classCallCheck(this, _class26);
+        var _this13;
 
-        var _this29 = possibleConstructorReturn(this, (_class26.__proto__ || Object.getPrototypeOf(_class26)).call(this, node));
+        _classCallCheck(this, _class26);
 
-        _this29.horizAdvX = _this29.attribute('horiz-adv-x').numValue();
+        _this13 = _possibleConstructorReturn(this, _getPrototypeOf(_class26).call(this, node));
+        _this13.horizAdvX = _this13.attribute('horiz-adv-x').numValue();
+        _this13.isRTL = false;
+        _this13.isArabic = false;
+        _this13.fontFace = null;
+        _this13.missingGlyph = null;
+        _this13.glyphs = [];
 
-        _this29.isRTL = false;
-        _this29.isArabic = false;
-        _this29.fontFace = null;
-        _this29.missingGlyph = null;
-        _this29.glyphs = [];
-        _this29.children.forEach(function (child) {
+        _this13.children.forEach(function (child) {
           if (child.type === 'font-face') {
-            _this29.fontFace = child;
+            _this13.fontFace = child;
+
             if (child.style('font-family').hasValue()) {
-              svg.Definitions[child.style('font-family').value] = _this29;
+              svg.Definitions[child.style('font-family').value] = _assertThisInitialized(_assertThisInitialized(_this13));
             }
           } else if (child.type === 'missing-glyph') {
-            _this29.missingGlyph = child;
+            _this13.missingGlyph = child;
           } else if (child.type === 'glyph') {
             if (child.arabicForm !== '') {
-              _this29.isRTL = true;
-              _this29.isArabic = true;
-              if (typeof _this29.glyphs[child.unicode] === 'undefined') {
-                _this29.glyphs[child.unicode] = [];
+              _this13.isRTL = true;
+              _this13.isArabic = true;
+
+              if (typeof _this13.glyphs[child.unicode] === 'undefined') {
+                _this13.glyphs[child.unicode] = [];
               }
-              _this29.glyphs[child.unicode][child.arabicForm] = child;
+
+              _this13.glyphs[child.unicode][child.arabicForm] = child;
             } else {
-              _this29.glyphs[child.unicode] = child;
+              _this13.glyphs[child.unicode] = child;
             }
           }
         });
-        return _this29;
+
+        return _this13;
       }
 
       return _class26;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // font-face element
 
-    // font-face element
-    svg.Element.fontface = function (_svg$Element$ElementB9) {
-      inherits(_class27, _svg$Element$ElementB9);
+
+    svg.Element.fontface =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB9) {
+      _inherits(_class27, _svg$Element$ElementB9);
 
       function _class27(node) {
-        classCallCheck(this, _class27);
+        var _this14;
 
-        var _this30 = possibleConstructorReturn(this, (_class27.__proto__ || Object.getPrototypeOf(_class27)).call(this, node));
+        _classCallCheck(this, _class27);
 
-        _this30.ascent = _this30.attribute('ascent').value;
-        _this30.descent = _this30.attribute('descent').value;
-        _this30.unitsPerEm = _this30.attribute('units-per-em').numValue();
-        return _this30;
+        _this14 = _possibleConstructorReturn(this, _getPrototypeOf(_class27).call(this, node));
+        _this14.ascent = _this14.attribute('ascent').value;
+        _this14.descent = _this14.attribute('descent').value;
+        _this14.unitsPerEm = _this14.attribute('units-per-em').numValue();
+        return _this14;
       }
 
       return _class27;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // missing-glyph element
 
-    // missing-glyph element
-    svg.Element.missingglyph = function (_svg$Element$path) {
-      inherits(_class28, _svg$Element$path);
+
+    svg.Element.missingglyph =
+    /*#__PURE__*/
+    function (_svg$Element$path) {
+      _inherits(_class28, _svg$Element$path);
 
       function _class28(node) {
-        classCallCheck(this, _class28);
+        var _this15;
 
-        var _this31 = possibleConstructorReturn(this, (_class28.__proto__ || Object.getPrototypeOf(_class28)).call(this, node));
+        _classCallCheck(this, _class28);
 
-        _this31.horizAdvX = 0;
-        return _this31;
+        _this15 = _possibleConstructorReturn(this, _getPrototypeOf(_class28).call(this, node));
+        _this15.horizAdvX = 0;
+        return _this15;
       }
 
       return _class28;
-    }(svg.Element.path);
+    }(svg.Element.path); // glyph element
 
-    // glyph element
-    svg.Element.glyph = function (_svg$Element$path2) {
-      inherits(_class29, _svg$Element$path2);
+
+    svg.Element.glyph =
+    /*#__PURE__*/
+    function (_svg$Element$path2) {
+      _inherits(_class29, _svg$Element$path2);
 
       function _class29(node) {
-        classCallCheck(this, _class29);
+        var _this16;
 
-        var _this32 = possibleConstructorReturn(this, (_class29.__proto__ || Object.getPrototypeOf(_class29)).call(this, node));
+        _classCallCheck(this, _class29);
 
-        _this32.horizAdvX = _this32.attribute('horiz-adv-x').numValue();
-        _this32.unicode = _this32.attribute('unicode').value;
-        _this32.arabicForm = _this32.attribute('arabic-form').value;
-        return _this32;
+        _this16 = _possibleConstructorReturn(this, _getPrototypeOf(_class29).call(this, node));
+        _this16.horizAdvX = _this16.attribute('horiz-adv-x').numValue();
+        _this16.unicode = _this16.attribute('unicode').value;
+        _this16.arabicForm = _this16.attribute('arabic-form').value;
+        return _this16;
       }
 
       return _class29;
-    }(svg.Element.path);
+    }(svg.Element.path); // text element
 
-    // text element
-    svg.Element.text = function (_svg$Element$Rendered3) {
-      inherits(_class30, _svg$Element$Rendered3);
+
+    svg.Element.text =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered3) {
+      _inherits(_class30, _svg$Element$Rendered3);
 
       function _class30(node) {
-        classCallCheck(this, _class30);
-        return possibleConstructorReturn(this, (_class30.__proto__ || Object.getPrototypeOf(_class30)).call(this, node, true));
+        _classCallCheck(this, _class30);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class30).call(this, node, true));
       }
 
-      createClass(_class30, [{
-        key: 'setContext',
+      _createClass(_class30, [{
+        key: "setContext",
         value: function setContext(ctx) {
-          get(_class30.prototype.__proto__ || Object.getPrototypeOf(_class30.prototype), 'setContext', this).call(this, ctx);
+          _get(_getPrototypeOf(_class30.prototype), "setContext", this).call(this, ctx);
 
           var textBaseline = this.style('dominant-baseline').toTextBaseline();
           if (textBaseline == null) textBaseline = this.style('alignment-baseline').toTextBaseline();
           if (textBaseline != null) ctx.textBaseline = textBaseline;
         }
       }, {
-        key: 'getBoundingBox',
+        key: "getBoundingBox",
         value: function getBoundingBox() {
           var x = this.attribute('x').toPixels('x');
           var y = this.attribute('y').toPixels('y');
@@ -3222,36 +3483,42 @@ var svgEditorExtension_server_opensave = (function () {
           return new svg.BoundingBox(x, y - fontSize, x + Math.floor(fontSize * 2.0 / 3.0) * this.children[0].getText().length, y);
         }
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
-          var _this34 = this;
+          var _this17 = this;
 
           this.x = this.attribute('x').toPixels('x');
           this.y = this.attribute('y').toPixels('y');
           this.x += this.getAnchorDelta(ctx, this, 0);
           this.children.forEach(function (child, i) {
-            _this34.renderChild(ctx, _this34, i);
+            _this17.renderChild(ctx, _this17, i);
           });
         }
       }, {
-        key: 'getAnchorDelta',
+        key: "getAnchorDelta",
         value: function getAnchorDelta(ctx, parent, startI) {
           var textAnchor = this.style('text-anchor').valueOrDefault('start');
+
           if (textAnchor !== 'start') {
             var width = 0;
+
             for (var i = startI; i < parent.children.length; i++) {
               var child = parent.children[i];
               if (i > startI && child.attribute('x').hasValue()) break; // new group
+
               width += child.measureTextRecursive(ctx);
             }
+
             return -1 * (textAnchor === 'end' ? width : width / 2.0);
           }
+
           return 0;
         }
       }, {
-        key: 'renderChild',
+        key: "renderChild",
         value: function renderChild(ctx, parent, i) {
           var child = parent.children[i];
+
           if (child.attribute('x').hasValue()) {
             child.x = child.attribute('x').toPixels('x') + this.getAnchorDelta(ctx, parent, i);
             if (child.attribute('dx').hasValue()) child.x += child.attribute('dx').toPixels('x');
@@ -3260,6 +3527,7 @@ var svgEditorExtension_server_opensave = (function () {
             if (child.attribute('dx').hasValue()) this.x += child.attribute('dx').toPixels('x');
             child.x = this.x;
           }
+
           this.x = child.x + child.measureText(ctx);
 
           if (child.attribute('y').hasValue()) {
@@ -3270,8 +3538,8 @@ var svgEditorExtension_server_opensave = (function () {
             if (child.attribute('dy').hasValue()) this.y += child.attribute('dy').toPixels('y');
             child.y = this.y;
           }
-          this.y = child.y;
 
+          this.y = child.y;
           child.render(ctx);
 
           for (var _i = 0; _i < child.children.length; _i++) {
@@ -3279,28 +3547,34 @@ var svgEditorExtension_server_opensave = (function () {
           }
         }
       }]);
-      return _class30;
-    }(svg.Element.RenderedElementBase);
 
-    // text base
-    svg.Element.TextElementBase = function (_svg$Element$Rendered4) {
-      inherits(_class31, _svg$Element$Rendered4);
+      return _class30;
+    }(svg.Element.RenderedElementBase); // text base
+
+
+    svg.Element.TextElementBase =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered4) {
+      _inherits(_class31, _svg$Element$Rendered4);
 
       function _class31() {
-        classCallCheck(this, _class31);
-        return possibleConstructorReturn(this, (_class31.__proto__ || Object.getPrototypeOf(_class31)).apply(this, arguments));
+        _classCallCheck(this, _class31);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class31).apply(this, arguments));
       }
 
-      createClass(_class31, [{
-        key: 'getGlyph',
+      _createClass(_class31, [{
+        key: "getGlyph",
         value: function getGlyph(font, text, i) {
           var c = text[i];
           var glyph = null;
+
           if (font.isArabic) {
             var arabicForm = 'isolated';
             if ((i === 0 || text[i - 1] === ' ') && i < text.length - 2 && text[i + 1] !== ' ') arabicForm = 'terminal';
             if (i > 0 && text[i - 1] !== ' ' && i < text.length - 2 && text[i + 1] !== ' ') arabicForm = 'medial';
             if (i > 0 && text[i - 1] !== ' ' && (i === text.length - 1 || text[i + 1] === ' ')) arabicForm = 'initial';
+
             if (typeof font.glyphs[c] !== 'undefined') {
               glyph = font.glyphs[c][arabicForm];
               if (glyph == null && font.glyphs[c].type === 'glyph') glyph = font.glyphs[c];
@@ -3308,20 +3582,22 @@ var svgEditorExtension_server_opensave = (function () {
           } else {
             glyph = font.glyphs[c];
           }
+
           if (glyph == null) glyph = font.missingGlyph;
           return glyph;
         }
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           var customFont = this.parent.style('font-family').getDefinition();
+
           if (customFont != null) {
             var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
             var fontStyle = this.parent.style('font-style').valueOrDefault(svg.Font.Parse(svg.ctx.font).fontStyle);
             var text = this.getText();
             if (customFont.isRTL) text = text.split('').reverse().join('');
-
             var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
+
             for (var i = 0; i < text.length; i++) {
               var glyph = this.getGlyph(customFont, text, i);
               var scale = fontSize / customFont.fontFace.unitsPerEm;
@@ -3335,12 +3611,13 @@ var svgEditorExtension_server_opensave = (function () {
               ctx.lineWidth = lw;
               ctx.scale(1 / scale, -1 / scale);
               ctx.translate(-this.x, -this.y);
-
               this.x += fontSize * (glyph.horizAdvX || customFont.horizAdvX) / customFont.fontFace.unitsPerEm;
+
               if (typeof dx[i] !== 'undefined' && !isNaN(dx[i])) {
                 this.x += dx[i];
               }
             }
+
             return;
           }
 
@@ -3348,12 +3625,11 @@ var svgEditorExtension_server_opensave = (function () {
           if (ctx.strokeStyle !== '') ctx.strokeText(svg.compressSpaces(this.getText()), this.x, this.y);
         }
       }, {
-        key: 'getText',
-        value: function getText() {
-          // OVERRIDE ME
+        key: "getText",
+        value: function getText() {// OVERRIDE ME
         }
       }, {
-        key: 'measureTextRecursive',
+        key: "measureTextRecursive",
         value: function measureTextRecursive(ctx) {
           var width = this.measureText(ctx);
           this.children.forEach(function (child) {
@@ -3362,28 +3638,31 @@ var svgEditorExtension_server_opensave = (function () {
           return width;
         }
       }, {
-        key: 'measureText',
+        key: "measureText",
         value: function measureText(ctx) {
           var customFont = this.parent.style('font-family').getDefinition();
+
           if (customFont != null) {
             var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
             var measure = 0;
             var text = this.getText();
             if (customFont.isRTL) text = text.split('').reverse().join('');
             var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
+
             for (var i = 0; i < text.length; i++) {
               var glyph = this.getGlyph(customFont, text, i);
               measure += (glyph.horizAdvX || customFont.horizAdvX) * fontSize / customFont.fontFace.unitsPerEm;
+
               if (typeof dx[i] !== 'undefined' && !isNaN(dx[i])) {
                 measure += dx[i];
               }
             }
+
             return measure;
           }
 
           var textToMeasure = svg.compressSpaces(this.getText());
           if (!ctx.measureText) return textToMeasure.length * 10;
-
           ctx.save();
           this.setContext(ctx);
 
@@ -3394,81 +3673,96 @@ var svgEditorExtension_server_opensave = (function () {
           return width;
         }
       }]);
-      return _class31;
-    }(svg.Element.RenderedElementBase);
 
-    // tspan
-    svg.Element.tspan = function (_svg$Element$TextElem) {
-      inherits(_class32, _svg$Element$TextElem);
+      return _class31;
+    }(svg.Element.RenderedElementBase); // tspan
+
+
+    svg.Element.tspan =
+    /*#__PURE__*/
+    function (_svg$Element$TextElem) {
+      _inherits(_class32, _svg$Element$TextElem);
 
       function _class32(node) {
-        classCallCheck(this, _class32);
+        var _this18;
 
-        var _this36 = possibleConstructorReturn(this, (_class32.__proto__ || Object.getPrototypeOf(_class32)).call(this, node, true));
+        _classCallCheck(this, _class32);
 
-        _this36.text = node.nodeValue || node.text || '';
-        return _this36;
+        _this18 = _possibleConstructorReturn(this, _getPrototypeOf(_class32).call(this, node, true));
+        _this18.text = node.nodeValue || node.text || '';
+        return _this18;
       }
 
-      createClass(_class32, [{
-        key: 'getText',
+      _createClass(_class32, [{
+        key: "getText",
         value: function getText() {
           return this.text;
         }
       }]);
-      return _class32;
-    }(svg.Element.TextElementBase);
 
-    // tref
-    svg.Element.tref = function (_svg$Element$TextElem2) {
-      inherits(_class33, _svg$Element$TextElem2);
+      return _class32;
+    }(svg.Element.TextElementBase); // tref
+
+
+    svg.Element.tref =
+    /*#__PURE__*/
+    function (_svg$Element$TextElem2) {
+      _inherits(_class33, _svg$Element$TextElem2);
 
       function _class33() {
-        classCallCheck(this, _class33);
-        return possibleConstructorReturn(this, (_class33.__proto__ || Object.getPrototypeOf(_class33)).apply(this, arguments));
+        _classCallCheck(this, _class33);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class33).apply(this, arguments));
       }
 
-      createClass(_class33, [{
-        key: 'getText',
+      _createClass(_class33, [{
+        key: "getText",
         value: function getText() {
           var element = this.getHrefAttribute().getDefinition();
           if (element != null) return element.children[0].getText();
         }
       }]);
-      return _class33;
-    }(svg.Element.TextElementBase);
 
-    // a element
-    svg.Element.a = function (_svg$Element$TextElem3) {
-      inherits(_class34, _svg$Element$TextElem3);
+      return _class33;
+    }(svg.Element.TextElementBase); // a element
+
+
+    svg.Element.a =
+    /*#__PURE__*/
+    function (_svg$Element$TextElem3) {
+      _inherits(_class34, _svg$Element$TextElem3);
 
       function _class34(node) {
-        classCallCheck(this, _class34);
+        var _this19;
 
-        var _this38 = possibleConstructorReturn(this, (_class34.__proto__ || Object.getPrototypeOf(_class34)).call(this, node));
+        _classCallCheck(this, _class34);
 
-        _this38.hasText = true;
-        [].concat(toConsumableArray(node.childNodes)).forEach(function (childNode) {
+        _this19 = _possibleConstructorReturn(this, _getPrototypeOf(_class34).call(this, node));
+        _this19.hasText = true;
+
+        _toConsumableArray(node.childNodes).forEach(function (childNode) {
           if (childNode.nodeType !== 3) {
-            _this38.hasText = false;
+            _this19.hasText = false;
           }
-        });
-        // this might contain text
-        _this38.text = _this38.hasText ? node.childNodes[0].nodeValue : '';
-        return _this38;
+        }); // this might contain text
+
+
+        _this19.text = _this19.hasText ? node.childNodes[0].nodeValue : '';
+        return _this19;
       }
 
-      createClass(_class34, [{
-        key: 'getText',
+      _createClass(_class34, [{
+        key: "getText",
         value: function getText() {
           return this.text;
         }
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           if (this.hasText) {
             // render as text element
-            get(_class34.prototype.__proto__ || Object.getPrototypeOf(_class34.prototype), 'renderChildren', this).call(this, ctx);
+            _get(_getPrototypeOf(_class34.prototype), "renderChildren", this).call(this, ctx);
+
             var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
             svg.Mouse.checkBoundingBox(this, new svg.BoundingBox(this.x, this.y - fontSize.toPixels('y'), this.x + this.measureText(ctx), this.y));
           } else {
@@ -3480,70 +3774,82 @@ var svgEditorExtension_server_opensave = (function () {
           }
         }
       }, {
-        key: 'onclick',
+        key: "onclick",
         value: function onclick() {
           window.open(this.getHrefAttribute().value);
         }
       }, {
-        key: 'onmousemove',
+        key: "onmousemove",
         value: function onmousemove() {
           svg.ctx.canvas.style.cursor = 'pointer';
         }
       }]);
-      return _class34;
-    }(svg.Element.TextElementBase);
 
-    // image element
-    svg.Element.image = function (_svg$Element$Rendered5) {
-      inherits(_class35, _svg$Element$Rendered5);
+      return _class34;
+    }(svg.Element.TextElementBase); // image element
+
+
+    svg.Element.image =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered5) {
+      _inherits(_class35, _svg$Element$Rendered5);
 
       function _class35(node) {
-        classCallCheck(this, _class35);
+        var _this20;
 
-        var _this39 = possibleConstructorReturn(this, (_class35.__proto__ || Object.getPrototypeOf(_class35)).call(this, node));
+        _classCallCheck(this, _class35);
+
+        _this20 = _possibleConstructorReturn(this, _getPrototypeOf(_class35).call(this, node));
+
+        var href = _this20.getHrefAttribute().value;
 
-        var href = _this39.getHrefAttribute().value;
         if (href === '') {
-          return possibleConstructorReturn(_this39);
+          return _possibleConstructorReturn(_this20);
         }
-        _this39._isSvg = href.match(/\.svg$/);
 
-        svg.Images.push(_this39);
-        _this39.loaded = false;
-        if (!_this39._isSvg) {
-          _this39.img = document.createElement('img');
+        _this20._isSvg = href.match(/\.svg$/);
+        svg.Images.push(_assertThisInitialized(_assertThisInitialized(_this20)));
+        _this20.loaded = false;
+
+        if (!_this20._isSvg) {
+          _this20.img = document.createElement('img');
+
           if (svg.opts.useCORS === true) {
-            _this39.img.crossOrigin = 'Anonymous';
+            _this20.img.crossOrigin = 'Anonymous';
           }
-          var self = _this39;
-          _this39.img.onload = function () {
+
+          var self = _assertThisInitialized(_assertThisInitialized(_this20));
+
+          _this20.img.onload = function () {
             self.loaded = true;
           };
-          _this39.img.onerror = function () {
+
+          _this20.img.onerror = function () {
             svg.log('ERROR: image "' + href + '" not found');
             self.loaded = true;
           };
-          _this39.img.src = href;
+
+          _this20.img.src = href;
         } else {
           svg.ajax(href, true).then(function (img) {
-            _this39.img = img;
-            _this39.loaded = true;
+            _this20.img = img;
+            _this20.loaded = true;
           });
         }
-        return _this39;
+
+        return _this20;
       }
 
-      createClass(_class35, [{
-        key: 'renderChildren',
+      _createClass(_class35, [{
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           var x = this.attribute('x').toPixels('x');
           var y = this.attribute('y').toPixels('y');
-
           var width = this.attribute('width').toPixels('x');
           var height = this.attribute('height').toPixels('y');
           if (width === 0 || height === 0) return;
-
           ctx.save();
+
           if (this._isSvg) {
             ctx.drawSvg(this.img, x, y, width, height);
           } else {
@@ -3551,10 +3857,11 @@ var svgEditorExtension_server_opensave = (function () {
             svg.AspectRatio(ctx, this.attribute('preserveAspectRatio').value, width, this.img.width, height, this.img.height, 0, 0);
             ctx.drawImage(this.img, 0, 0);
           }
+
           ctx.restore();
         }
       }, {
-        key: 'getBoundingBox',
+        key: "getBoundingBox",
         value: function getBoundingBox() {
           var x = this.attribute('x').toPixels('x');
           var y = this.attribute('y').toPixels('y');
@@ -3563,20 +3870,24 @@ var svgEditorExtension_server_opensave = (function () {
           return new svg.BoundingBox(x, y, x + width, y + height);
         }
       }]);
-      return _class35;
-    }(svg.Element.RenderedElementBase);
 
-    // group element
-    svg.Element.g = function (_svg$Element$Rendered6) {
-      inherits(_class36, _svg$Element$Rendered6);
+      return _class35;
+    }(svg.Element.RenderedElementBase); // group element
+
+
+    svg.Element.g =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered6) {
+      _inherits(_class36, _svg$Element$Rendered6);
 
       function _class36() {
-        classCallCheck(this, _class36);
-        return possibleConstructorReturn(this, (_class36.__proto__ || Object.getPrototypeOf(_class36)).apply(this, arguments));
+        _classCallCheck(this, _class36);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class36).apply(this, arguments));
       }
 
-      createClass(_class36, [{
-        key: 'getBoundingBox',
+      _createClass(_class36, [{
+        key: "getBoundingBox",
         value: function getBoundingBox() {
           var bb = new svg.BoundingBox();
           this.children.forEach(function (child) {
@@ -3585,50 +3896,60 @@ var svgEditorExtension_server_opensave = (function () {
           return bb;
         }
       }]);
-      return _class36;
-    }(svg.Element.RenderedElementBase);
 
-    // symbol element
-    svg.Element.symbol = function (_svg$Element$Rendered7) {
-      inherits(_class37, _svg$Element$Rendered7);
+      return _class36;
+    }(svg.Element.RenderedElementBase); // symbol element
+
+
+    svg.Element.symbol =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered7) {
+      _inherits(_class37, _svg$Element$Rendered7);
 
       function _class37() {
-        classCallCheck(this, _class37);
-        return possibleConstructorReturn(this, (_class37.__proto__ || Object.getPrototypeOf(_class37)).apply(this, arguments));
+        _classCallCheck(this, _class37);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class37).apply(this, arguments));
       }
 
-      createClass(_class37, [{
-        key: 'render',
-        value: function render(ctx) {
-          // NO RENDER
+      _createClass(_class37, [{
+        key: "render",
+        value: function render(ctx) {// NO RENDER
         }
       }]);
-      return _class37;
-    }(svg.Element.RenderedElementBase);
 
-    // style element
-    svg.Element.style = function (_svg$Element$ElementB10) {
-      inherits(_class38, _svg$Element$ElementB10);
+      return _class37;
+    }(svg.Element.RenderedElementBase); // style element
+
+
+    svg.Element.style =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB10) {
+      _inherits(_class38, _svg$Element$ElementB10);
 
       function _class38(node) {
-        classCallCheck(this, _class38);
+        var _this21;
 
-        // text, or spaces then CDATA
-        var _this42 = possibleConstructorReturn(this, (_class38.__proto__ || Object.getPrototypeOf(_class38)).call(this, node));
+        _classCallCheck(this, _class38);
+
+        _this21 = _possibleConstructorReturn(this, _getPrototypeOf(_class38).call(this, node)); // text, or spaces then CDATA
 
         var css = '';
-        [].concat(toConsumableArray(node.childNodes)).forEach(function (_ref3) {
-          var nodeValue = _ref3.nodeValue;
 
+        _toConsumableArray(node.childNodes).forEach(function (_ref3) {
+          var nodeValue = _ref3.nodeValue;
           css += nodeValue;
         });
+
         css = css.replace(/(\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/)|(^[\s]*\/\/.*)/gm, ''); // remove comments
+
         css = svg.compressSpaces(css); // replace whitespace
+
         var cssDefs = css.split('}');
         cssDefs.forEach(function (cssDef) {
           if (svg.trim(cssDef) !== '') {
             var _cssDef$split = cssDef.split('{'),
-                _cssDef$split2 = slicedToArray(_cssDef$split, 2),
+                _cssDef$split2 = _slicedToArray(_cssDef$split, 2),
                 cssClasses = _cssDef$split2[0],
                 cssProps = _cssDef$split2[1];
 
@@ -3636,17 +3957,20 @@ var svgEditorExtension_server_opensave = (function () {
             cssProps = cssProps.split(';');
             cssClasses.forEach(function (cssClass) {
               cssClass = svg.trim(cssClass);
+
               if (cssClass !== '') {
                 var props = {};
                 cssProps.forEach(function (cssProp) {
                   var prop = cssProp.indexOf(':');
                   var name = cssProp.substr(0, prop);
                   var value = cssProp.substr(prop + 1, cssProp.length - prop);
+
                   if (name != null && value != null) {
                     props[svg.trim(name)] = new svg.Property(svg.trim(name), svg.trim(value));
                   }
                 });
                 svg.Styles[cssClass] = props;
+
                 if (cssClass === '@font-face') {
                   var fontFamily = props['font-family'].value.replace(/"/g, '');
                   var srcs = props['src'].value.split(',');
@@ -3654,11 +3978,12 @@ var svgEditorExtension_server_opensave = (function () {
                     if (src.includes('format("svg")')) {
                       var urlStart = src.indexOf('url');
                       var urlEnd = src.indexOf(')', urlStart);
-                      var url = src.substr(urlStart + 5, urlEnd - urlStart - 6);
-                      // Can this ajax safely be converted to async?
+                      var url = src.substr(urlStart + 5, urlEnd - urlStart - 6); // Can this ajax safely be converted to async?
+
                       var doc = svg.parseXml(svg.ajax(url));
                       var fonts = doc.getElementsByTagName('font');
-                      [].concat(toConsumableArray(fonts)).forEach(function (font) {
+
+                      _toConsumableArray(fonts).forEach(function (font) {
                         font = svg.CreateElement(font);
                         svg.Definitions[fontFamily] = font;
                       });
@@ -3669,53 +3994,56 @@ var svgEditorExtension_server_opensave = (function () {
             });
           }
         });
-        return _this42;
+        return _this21;
       }
 
       return _class38;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // use element
 
-    // use element
-    svg.Element.use = function (_svg$Element$Rendered8) {
-      inherits(_class39, _svg$Element$Rendered8);
+
+    svg.Element.use =
+    /*#__PURE__*/
+    function (_svg$Element$Rendered8) {
+      _inherits(_class39, _svg$Element$Rendered8);
 
       function _class39(node) {
-        classCallCheck(this, _class39);
+        var _this22;
 
-        var _this43 = possibleConstructorReturn(this, (_class39.__proto__ || Object.getPrototypeOf(_class39)).call(this, node));
+        _classCallCheck(this, _class39);
 
-        _this43._el = _this43.getHrefAttribute().getDefinition();
-        return _this43;
+        _this22 = _possibleConstructorReturn(this, _getPrototypeOf(_class39).call(this, node));
+        _this22._el = _this22.getHrefAttribute().getDefinition();
+        return _this22;
       }
 
-      createClass(_class39, [{
-        key: 'setContext',
+      _createClass(_class39, [{
+        key: "setContext",
         value: function setContext(ctx) {
-          get(_class39.prototype.__proto__ || Object.getPrototypeOf(_class39.prototype), 'setContext', this).call(this, ctx);
+          _get(_getPrototypeOf(_class39.prototype), "setContext", this).call(this, ctx);
+
           if (this.attribute('x').hasValue()) ctx.translate(this.attribute('x').toPixels('x'), 0);
           if (this.attribute('y').hasValue()) ctx.translate(0, this.attribute('y').toPixels('y'));
         }
       }, {
-        key: 'path',
+        key: "path",
         value: function path(ctx) {
           var element = this._el;
-
           if (element != null) element.path(ctx);
         }
       }, {
-        key: 'getBoundingBox',
+        key: "getBoundingBox",
         value: function getBoundingBox() {
           var element = this._el;
-
           if (element != null) return element.getBoundingBox();
         }
       }, {
-        key: 'renderChildren',
+        key: "renderChildren",
         value: function renderChildren(ctx) {
           var element = this._el;
 
           if (element != null) {
             var tempSvg = element;
+
             if (element.type === 'symbol') {
               // render me using a temporary svg element in symbol cases (https://www.w3.org/TR/SVG/struct.html#UseElement)
               tempSvg = new svg.Element.svg();
@@ -3725,11 +4053,13 @@ var svgEditorExtension_server_opensave = (function () {
               tempSvg.attributes['overflow'] = new svg.Property('overflow', element.attribute('overflow').value);
               tempSvg.children = element.children;
             }
+
             if (tempSvg.type === 'svg') {
               // if symbol or svg, inherit width/height from me
               if (this.attribute('width').hasValue()) tempSvg.attributes['width'] = new svg.Property('width', this.attribute('width').value);
               if (this.attribute('height').hasValue()) tempSvg.attributes['height'] = new svg.Property('height', this.attribute('height').value);
             }
+
             var oldParent = tempSvg.parent;
             tempSvg.parent = null;
             tempSvg.render(ctx);
@@ -3737,20 +4067,24 @@ var svgEditorExtension_server_opensave = (function () {
           }
         }
       }]);
-      return _class39;
-    }(svg.Element.RenderedElementBase);
 
-    // mask element
-    svg.Element.mask = function (_svg$Element$ElementB11) {
-      inherits(_class40, _svg$Element$ElementB11);
+      return _class39;
+    }(svg.Element.RenderedElementBase); // mask element
+
+
+    svg.Element.mask =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB11) {
+      _inherits(_class40, _svg$Element$ElementB11);
 
       function _class40() {
-        classCallCheck(this, _class40);
-        return possibleConstructorReturn(this, (_class40.__proto__ || Object.getPrototypeOf(_class40)).apply(this, arguments));
+        _classCallCheck(this, _class40);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class40).apply(this, arguments));
       }
 
-      createClass(_class40, [{
-        key: 'apply',
+      _createClass(_class40, [{
+        key: "apply",
         value: function apply(ctx, element) {
           // render as temp svg
           var x = this.attribute('x').toPixels('x');
@@ -3767,18 +4101,16 @@ var svgEditorExtension_server_opensave = (function () {
             y = Math.floor(bb.y1);
             width = Math.floor(bb.width());
             height = Math.floor(bb.height());
-          }
+          } // temporarily remove mask to avoid recursion
+
 
-          // temporarily remove mask to avoid recursion
           var mask = element.attribute('mask').value;
           element.attribute('mask').value = '';
-
           var cMask = document.createElement('canvas');
           cMask.width = x + width;
           cMask.height = y + height;
           var maskCtx = cMask.getContext('2d');
           this.renderChildren(maskCtx);
-
           var c = document.createElement('canvas');
           c.width = x + width;
           c.height = y + height;
@@ -3787,43 +4119,47 @@ var svgEditorExtension_server_opensave = (function () {
           tempCtx.globalCompositeOperation = 'destination-in';
           tempCtx.fillStyle = maskCtx.createPattern(cMask, 'no-repeat');
           tempCtx.fillRect(0, 0, x + width, y + height);
-
           ctx.fillStyle = tempCtx.createPattern(c, 'no-repeat');
-          ctx.fillRect(0, 0, x + width, y + height);
+          ctx.fillRect(0, 0, x + width, y + height); // reassign mask
 
-          // reassign mask
           element.attribute('mask').value = mask;
         }
       }, {
-        key: 'render',
-        value: function render(ctx) {
-          // NO RENDER
+        key: "render",
+        value: function render(ctx) {// NO RENDER
         }
       }]);
-      return _class40;
-    }(svg.Element.ElementBase);
 
-    // clip element
-    svg.Element.clipPath = function (_svg$Element$ElementB12) {
-      inherits(_class41, _svg$Element$ElementB12);
+      return _class40;
+    }(svg.Element.ElementBase); // clip element
+
+
+    svg.Element.clipPath =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB12) {
+      _inherits(_class41, _svg$Element$ElementB12);
 
       function _class41() {
-        classCallCheck(this, _class41);
-        return possibleConstructorReturn(this, (_class41.__proto__ || Object.getPrototypeOf(_class41)).apply(this, arguments));
+        _classCallCheck(this, _class41);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class41).apply(this, arguments));
       }
 
-      createClass(_class41, [{
-        key: 'apply',
+      _createClass(_class41, [{
+        key: "apply",
         value: function apply(ctx) {
           this.children.forEach(function (child) {
             if (typeof child.path !== 'undefined') {
               var transform = null;
+
               if (child.attribute('transform').hasValue()) {
                 transform = new svg.Transform(child.attribute('transform').value);
                 transform.apply(ctx);
               }
+
               child.path(ctx);
               ctx.clip();
+
               if (transform) {
                 transform.unapply(ctx);
               }
@@ -3831,37 +4167,38 @@ var svgEditorExtension_server_opensave = (function () {
           });
         }
       }, {
-        key: 'render',
-        value: function render(ctx) {
-          // NO RENDER
+        key: "render",
+        value: function render(ctx) {// NO RENDER
         }
       }]);
-      return _class41;
-    }(svg.Element.ElementBase);
 
-    // filters
-    svg.Element.filter = function (_svg$Element$ElementB13) {
-      inherits(_class42, _svg$Element$ElementB13);
+      return _class41;
+    }(svg.Element.ElementBase); // filters
+
+
+    svg.Element.filter =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB13) {
+      _inherits(_class42, _svg$Element$ElementB13);
 
       function _class42() {
-        classCallCheck(this, _class42);
-        return possibleConstructorReturn(this, (_class42.__proto__ || Object.getPrototypeOf(_class42)).apply(this, arguments));
+        _classCallCheck(this, _class42);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class42).apply(this, arguments));
       }
 
-      createClass(_class42, [{
-        key: 'apply',
+      _createClass(_class42, [{
+        key: "apply",
         value: function apply(ctx, element) {
           // render as temp svg
           var bb = element.getBoundingBox();
           var x = Math.floor(bb.x1);
           var y = Math.floor(bb.y1);
           var width = Math.floor(bb.width());
-          var height = Math.floor(bb.height());
+          var height = Math.floor(bb.height()); // temporarily remove filter to avoid recursion
 
-          // temporarily remove filter to avoid recursion
           var filter = element.style('filter').value;
           element.style('filter').value = '';
-
           var px = 0,
               py = 0;
           this.children.forEach(function (child) {
@@ -3869,65 +4206,67 @@ var svgEditorExtension_server_opensave = (function () {
             px = Math.max(px, efd);
             py = Math.max(py, efd);
           });
-
           var c = document.createElement('canvas');
           c.width = width + 2 * px;
           c.height = height + 2 * py;
           var tempCtx = c.getContext('2d');
           tempCtx.translate(-x + px, -y + py);
-          element.render(tempCtx);
+          element.render(tempCtx); // apply filters
 
-          // apply filters
           this.children.forEach(function (child) {
             child.apply(tempCtx, 0, 0, width + 2 * px, height + 2 * py);
-          });
+          }); // render on me
 
-          // render on me
-          ctx.drawImage(c, 0, 0, width + 2 * px, height + 2 * py, x - px, y - py, width + 2 * px, height + 2 * py);
+          ctx.drawImage(c, 0, 0, width + 2 * px, height + 2 * py, x - px, y - py, width + 2 * px, height + 2 * py); // reassign filter
 
-          // reassign filter
           element.style('filter', true).value = filter;
         }
       }, {
-        key: 'render',
-        value: function render(ctx) {
-          // NO RENDER
+        key: "render",
+        value: function render(ctx) {// NO RENDER
         }
       }]);
+
       return _class42;
     }(svg.Element.ElementBase);
 
-    svg.Element.feMorphology = function (_svg$Element$ElementB14) {
-      inherits(_class43, _svg$Element$ElementB14);
+    svg.Element.feMorphology =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB14) {
+      _inherits(_class43, _svg$Element$ElementB14);
 
       function _class43() {
-        classCallCheck(this, _class43);
-        return possibleConstructorReturn(this, (_class43.__proto__ || Object.getPrototypeOf(_class43)).apply(this, arguments));
+        _classCallCheck(this, _class43);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class43).apply(this, arguments));
       }
 
-      createClass(_class43, [{
-        key: 'apply',
-        value: function apply(ctx, x, y, width, height) {
-          // TODO: implement
+      _createClass(_class43, [{
+        key: "apply",
+        value: function apply(ctx, x, y, width, height) {// TODO: implement
         }
       }]);
+
       return _class43;
     }(svg.Element.ElementBase);
 
-    svg.Element.feComposite = function (_svg$Element$ElementB15) {
-      inherits(_class44, _svg$Element$ElementB15);
+    svg.Element.feComposite =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB15) {
+      _inherits(_class44, _svg$Element$ElementB15);
 
       function _class44() {
-        classCallCheck(this, _class44);
-        return possibleConstructorReturn(this, (_class44.__proto__ || Object.getPrototypeOf(_class44)).apply(this, arguments));
+        _classCallCheck(this, _class44);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class44).apply(this, arguments));
       }
 
-      createClass(_class44, [{
-        key: 'apply',
-        value: function apply(ctx, x, y, width, height) {
-          // TODO: implement
+      _createClass(_class44, [{
+        key: "apply",
+        value: function apply(ctx, x, y, width, height) {// TODO: implement
         }
       }]);
+
       return _class44;
     }(svg.Element.ElementBase);
 
@@ -3939,89 +4278,105 @@ var svgEditorExtension_server_opensave = (function () {
       img[y * width * 4 + x * 4 + rgba] = val;
     }
 
-    svg.Element.feColorMatrix = function (_svg$Element$ElementB16) {
-      inherits(_class45, _svg$Element$ElementB16);
+    svg.Element.feColorMatrix =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB16) {
+      _inherits(_class45, _svg$Element$ElementB16);
 
       function _class45(node) {
-        classCallCheck(this, _class45);
+        var _this23;
 
-        var _this49 = possibleConstructorReturn(this, (_class45.__proto__ || Object.getPrototypeOf(_class45)).call(this, node));
+        _classCallCheck(this, _class45);
 
-        var matrix = svg.ToNumberArray(_this49.attribute('values').value);
-        switch (_this49.attribute('type').valueOrDefault('matrix')) {// https://www.w3.org/TR/SVG/filters.html#feColorMatrixElement
+        _this23 = _possibleConstructorReturn(this, _getPrototypeOf(_class45).call(this, node));
+        var matrix = svg.ToNumberArray(_this23.attribute('values').value);
+
+        switch (_this23.attribute('type').valueOrDefault('matrix')) {
+          // https://www.w3.org/TR/SVG/filters.html#feColorMatrixElement
           case 'saturate':
             var s = matrix[0];
             matrix = [0.213 + 0.787 * s, 0.715 - 0.715 * s, 0.072 - 0.072 * s, 0, 0, 0.213 - 0.213 * s, 0.715 + 0.285 * s, 0.072 - 0.072 * s, 0, 0, 0.213 - 0.213 * s, 0.715 - 0.715 * s, 0.072 + 0.928 * s, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1];
             break;
+
           case 'hueRotate':
             var a = matrix[0] * Math.PI / 180.0;
-            var _c3 = function _c3(m1, m2, m3) {
+
+            var c = function c(m1, m2, m3) {
               return m1 + Math.cos(a) * m2 + Math.sin(a) * m3;
             };
-            matrix = [_c3(0.213, 0.787, -0.213), _c3(0.715, -0.715, -0.715), _c3(0.072, -0.072, 0.928), 0, 0, _c3(0.213, -0.213, 0.143), _c3(0.715, 0.285, 0.140), _c3(0.072, -0.072, -0.283), 0, 0, _c3(0.213, -0.213, -0.787), _c3(0.715, -0.715, 0.715), _c3(0.072, 0.928, 0.072), 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1];
+
+            matrix = [c(0.213, 0.787, -0.213), c(0.715, -0.715, -0.715), c(0.072, -0.072, 0.928), 0, 0, c(0.213, -0.213, 0.143), c(0.715, 0.285, 0.140), c(0.072, -0.072, -0.283), 0, 0, c(0.213, -0.213, -0.787), c(0.715, -0.715, 0.715), c(0.072, 0.928, 0.072), 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1];
             break;
+
           case 'luminanceToAlpha':
             matrix = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0.2125, 0.7154, 0.0721, 0, 0, 0, 0, 0, 0, 1];
             break;
         }
-        _this49.matrix = matrix;
 
-        _this49._m = function (i, v) {
+        _this23.matrix = matrix;
+
+        _this23._m = function (i, v) {
           var mi = matrix[i];
           return mi * (mi < 0 ? v - 255 : v);
         };
-        return _this49;
+
+        return _this23;
       }
 
-      createClass(_class45, [{
-        key: 'apply',
+      _createClass(_class45, [{
+        key: "apply",
         value: function apply(ctx, x, y, width, height) {
-          var m = this._m;
-          // assuming x==0 && y==0 for now
+          var m = this._m; // assuming x==0 && y==0 for now
 
           var srcData = ctx.getImageData(0, 0, width, height);
+
           for (var _y2 = 0; _y2 < height; _y2++) {
             for (var _x2 = 0; _x2 < width; _x2++) {
-              var _r3 = imGet(srcData.data, _x2, _y2, width, height, 0);
+              var r = imGet(srcData.data, _x2, _y2, width, height, 0);
               var g = imGet(srcData.data, _x2, _y2, width, height, 1);
-              var _b2 = imGet(srcData.data, _x2, _y2, width, height, 2);
+              var b = imGet(srcData.data, _x2, _y2, width, height, 2);
               var a = imGet(srcData.data, _x2, _y2, width, height, 3);
-              imSet(srcData.data, _x2, _y2, width, height, 0, m(0, _r3) + m(1, g) + m(2, _b2) + m(3, a) + m(4, 1));
-              imSet(srcData.data, _x2, _y2, width, height, 1, m(5, _r3) + m(6, g) + m(7, _b2) + m(8, a) + m(9, 1));
-              imSet(srcData.data, _x2, _y2, width, height, 2, m(10, _r3) + m(11, g) + m(12, _b2) + m(13, a) + m(14, 1));
-              imSet(srcData.data, _x2, _y2, width, height, 3, m(15, _r3) + m(16, g) + m(17, _b2) + m(18, a) + m(19, 1));
+              imSet(srcData.data, _x2, _y2, width, height, 0, m(0, r) + m(1, g) + m(2, b) + m(3, a) + m(4, 1));
+              imSet(srcData.data, _x2, _y2, width, height, 1, m(5, r) + m(6, g) + m(7, b) + m(8, a) + m(9, 1));
+              imSet(srcData.data, _x2, _y2, width, height, 2, m(10, r) + m(11, g) + m(12, b) + m(13, a) + m(14, 1));
+              imSet(srcData.data, _x2, _y2, width, height, 3, m(15, r) + m(16, g) + m(17, b) + m(18, a) + m(19, 1));
             }
           }
+
           ctx.clearRect(0, 0, width, height);
           ctx.putImageData(srcData, 0, 0);
         }
       }]);
+
       return _class45;
     }(svg.Element.ElementBase);
 
-    svg.Element.feGaussianBlur = function (_svg$Element$ElementB17) {
-      inherits(_class46, _svg$Element$ElementB17);
+    svg.Element.feGaussianBlur =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB17) {
+      _inherits(_class46, _svg$Element$ElementB17);
 
       function _class46(node) {
-        classCallCheck(this, _class46);
+        var _this24;
 
-        var _this50 = possibleConstructorReturn(this, (_class46.__proto__ || Object.getPrototypeOf(_class46)).call(this, node));
+        _classCallCheck(this, _class46);
 
-        _this50.blurRadius = Math.floor(_this50.attribute('stdDeviation').numValue());
-        _this50.extraFilterDistance = _this50.blurRadius;
-        return _this50;
+        _this24 = _possibleConstructorReturn(this, _getPrototypeOf(_class46).call(this, node));
+        _this24.blurRadius = Math.floor(_this24.attribute('stdDeviation').numValue());
+        _this24.extraFilterDistance = _this24.blurRadius;
+        return _this24;
       }
 
-      createClass(_class46, [{
-        key: 'apply',
+      _createClass(_class46, [{
+        key: "apply",
         value: function apply(ctx, x, y, width, height) {
           if (typeof canvasRGBA_ === 'undefined') {
             svg.log('ERROR: `setStackBlurCanvasRGBA` must be run for blur to work');
             return;
-          }
-
-          // Todo: This might not be a problem anymore with out `instanceof` fix
+          } // Todo: This might not be a problem anymore with out `instanceof` fix
           // StackBlur requires canvas be on document
+
+
           ctx.canvas.id = svg.UniqueId();
           ctx.canvas.style.display = 'none';
           document.body.append(ctx.canvas);
@@ -4029,53 +4384,65 @@ var svgEditorExtension_server_opensave = (function () {
           ctx.canvas.remove();
         }
       }]);
-      return _class46;
-    }(svg.Element.ElementBase);
 
-    // title element, do nothing
-    svg.Element.title = function (_svg$Element$ElementB18) {
-      inherits(_class47, _svg$Element$ElementB18);
+      return _class46;
+    }(svg.Element.ElementBase); // title element, do nothing
+
+
+    svg.Element.title =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB18) {
+      _inherits(_class47, _svg$Element$ElementB18);
 
       function _class47(node) {
-        classCallCheck(this, _class47);
-        return possibleConstructorReturn(this, (_class47.__proto__ || Object.getPrototypeOf(_class47)).call(this));
+        _classCallCheck(this, _class47);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class47).call(this));
       }
 
       return _class47;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // desc element, do nothing
 
-    // desc element, do nothing
-    svg.Element.desc = function (_svg$Element$ElementB19) {
-      inherits(_class48, _svg$Element$ElementB19);
+
+    svg.Element.desc =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB19) {
+      _inherits(_class48, _svg$Element$ElementB19);
 
       function _class48(node) {
-        classCallCheck(this, _class48);
-        return possibleConstructorReturn(this, (_class48.__proto__ || Object.getPrototypeOf(_class48)).call(this));
+        _classCallCheck(this, _class48);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_class48).call(this));
       }
 
       return _class48;
     }(svg.Element.ElementBase);
 
-    svg.Element.MISSING = function (_svg$Element$ElementB20) {
-      inherits(_class49, _svg$Element$ElementB20);
+    svg.Element.MISSING =
+    /*#__PURE__*/
+    function (_svg$Element$ElementB20) {
+      _inherits(_class49, _svg$Element$ElementB20);
 
       function _class49(node) {
-        classCallCheck(this, _class49);
+        var _this25;
 
-        var _this53 = possibleConstructorReturn(this, (_class49.__proto__ || Object.getPrototypeOf(_class49)).call(this));
+        _classCallCheck(this, _class49);
 
+        _this25 = _possibleConstructorReturn(this, _getPrototypeOf(_class49).call(this));
         svg.log('ERROR: Element \'' + node.nodeName + '\' not yet implemented.');
-        return _this53;
+        return _this25;
       }
 
       return _class49;
-    }(svg.Element.ElementBase);
+    }(svg.Element.ElementBase); // element factory
+
 
-    // element factory
     svg.CreateElement = function (node) {
       var className = node.nodeName.replace(/^[^:]+:/, '') // remove namespace
       .replace(/-/g, ''); // remove dashes
-      var e = void 0;
+
+      var e;
+
       if (typeof svg.Element[className] !== 'undefined') {
         e = new svg.Element[className](node);
       } else {
@@ -4084,11 +4451,15 @@ var svgEditorExtension_server_opensave = (function () {
 
       e.type = node.nodeName;
       return e;
-    };
+    }; // load from url
 
-    // load from url
-    svg.load = function () {
-      var _ref4 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(ctx, url) {
+
+    svg.load =
+    /*#__PURE__*/
+    function () {
+      var _ref4 = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(ctx, url) {
         var dom;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
@@ -4099,10 +4470,10 @@ var svgEditorExtension_server_opensave = (function () {
 
               case 2:
                 dom = _context.sent;
-                return _context.abrupt('return', svg.loadXml(ctx, dom));
+                return _context.abrupt("return", svg.loadXml(ctx, dom));
 
               case 4:
-              case 'end':
+              case "end":
                 return _context.stop();
             }
           }
@@ -4112,44 +4483,47 @@ var svgEditorExtension_server_opensave = (function () {
       return function (_x3, _x4) {
         return _ref4.apply(this, arguments);
       };
-    }();
+    }(); // load from xml
+
 
-    // load from xml
     svg.loadXml = function (ctx, xml) {
       return svg.loadXmlDoc(ctx, svg.parseXml(xml));
     };
 
     svg.loadXmlDoc = function (ctx, dom) {
-      var res = void 0;
+      var res;
       svg.init(ctx);
 
       var mapXY = function mapXY(p) {
         var e = ctx.canvas;
+
         while (e) {
           p.x -= e.offsetLeft;
           p.y -= e.offsetTop;
           e = e.offsetParent;
         }
+
         if (window.scrollX) p.x += window.scrollX;
         if (window.scrollY) p.y += window.scrollY;
         return p;
-      };
+      }; // bind mouse
+
 
-      // bind mouse
       if (svg.opts.ignoreMouse !== true) {
         ctx.canvas.onclick = function (e) {
           var args = e != null ? [e.clientX, e.clientY] : [event.clientX, event.clientY];
 
-          var _mapXY = mapXY(new (Function.prototype.bind.apply(svg.Point, [null].concat(args)))()),
+          var _mapXY = mapXY(_construct(svg.Point, args)),
               x = _mapXY.x,
               y = _mapXY.y;
 
           svg.Mouse.onclick(x, y);
         };
+
         ctx.canvas.onmousemove = function (e) {
           var args = e != null ? [e.clientX, e.clientY] : [event.clientX, event.clientY];
 
-          var _mapXY2 = mapXY(new (Function.prototype.bind.apply(svg.Point, [null].concat(args)))()),
+          var _mapXY2 = mapXY(_construct(svg.Point, args)),
               x = _mapXY2.x,
               y = _mapXY2.y;
 
@@ -4158,12 +4532,13 @@ var svgEditorExtension_server_opensave = (function () {
       }
 
       var e = svg.CreateElement(dom.documentElement);
-      e.root = true;
+      e.root = true; // render loop
 
-      // render loop
       var isFirstRender = true;
+
       var draw = function draw(resolve) {
         svg.ViewPort.Clear();
+
         if (ctx.canvas.parentNode) {
           svg.ViewPort.SetCurrent(ctx.canvas.parentNode.clientWidth, ctx.canvas.parentNode.clientHeight);
         }
@@ -4174,25 +4549,31 @@ var svgEditorExtension_server_opensave = (function () {
             ctx.canvas.width = e.style('width').toPixels('x');
             ctx.canvas.style.width = ctx.canvas.width + 'px';
           }
+
           if (e.style('height').hasValue()) {
             ctx.canvas.height = e.style('height').toPixels('y');
             ctx.canvas.style.height = ctx.canvas.height + 'px';
           }
         }
+
         var cWidth = ctx.canvas.clientWidth || ctx.canvas.width;
         var cHeight = ctx.canvas.clientHeight || ctx.canvas.height;
+
         if (svg.opts.ignoreDimensions === true && e.style('width').hasValue() && e.style('height').hasValue()) {
           cWidth = e.style('width').toPixels('x');
           cHeight = e.style('height').toPixels('y');
         }
+
         svg.ViewPort.SetCurrent(cWidth, cHeight);
 
         if (svg.opts.offsetX != null) {
           e.attribute('x', true).value = svg.opts.offsetX;
         }
+
         if (svg.opts.offsetY != null) {
           e.attribute('y', true).value = svg.opts.offsetY;
         }
+
         if (svg.opts.scaleWidth != null || svg.opts.scaleHeight != null) {
           var viewBox = svg.ToNumberArray(e.attribute('viewBox').value);
           var xRatio = null,
@@ -4217,6 +4598,7 @@ var svgEditorExtension_server_opensave = (function () {
           if (xRatio == null) {
             xRatio = yRatio;
           }
+
           if (yRatio == null) {
             yRatio = xRatio;
           }
@@ -4225,13 +4607,15 @@ var svgEditorExtension_server_opensave = (function () {
           e.attribute('height', true).value = svg.opts.scaleHeight;
           e.attribute('viewBox', true).value = '0 0 ' + cWidth * xRatio + ' ' + cHeight * yRatio;
           e.attribute('preserveAspectRatio', true).value = 'none';
-        }
+        } // clear and render
+
 
-        // clear and render
         if (svg.opts.ignoreClear !== true) {
           ctx.clearRect(0, 0, cWidth, cHeight);
         }
+
         e.render(ctx);
+
         if (isFirstRender) {
           isFirstRender = false;
           resolve(dom);
@@ -4245,28 +4629,28 @@ var svgEditorExtension_server_opensave = (function () {
         if (waitingForImages && svg.ImagesLoaded()) {
           waitingForImages = false;
           needUpdate = true;
-        }
+        } // need update from mouse events?
+
 
-        // need update from mouse events?
         if (svg.opts.ignoreMouse !== true) {
           needUpdate = needUpdate | svg.Mouse.hasEvents();
-        }
+        } // need update from animations?
+
 
-        // need update from animations?
         if (svg.opts.ignoreAnimation !== true) {
           svg.Animations.forEach(function (animation) {
             needUpdate = needUpdate | animation.update(1000 / svg.FRAMERATE);
           });
-        }
+        } // need update from redraw?
+
 
-        // need update from redraw?
         if (typeof svg.opts.forceRedraw === 'function') {
           if (svg.opts.forceRedraw() === true) {
             needUpdate = true;
           }
-        }
+        } // render if needed
+
 
-        // render if needed
         if (needUpdate) {
           draw(res);
           svg.Mouse.runEvents(); // run and clear our events
@@ -4278,6 +4662,7 @@ var svgEditorExtension_server_opensave = (function () {
           draw(resolve);
           return;
         }
+
         res = resolve;
       });
     };
@@ -4295,7 +4680,9 @@ var svgEditorExtension_server_opensave = (function () {
       },
       onclick: function onclick(x, y) {
         this.events.push({
-          type: 'onclick', x: x, y: y,
+          type: 'onclick',
+          x: x,
+          y: y,
           run: function run(e) {
             if (e.onclick) e.onclick();
           }
@@ -4303,59 +4690,56 @@ var svgEditorExtension_server_opensave = (function () {
       },
       onmousemove: function onmousemove(x, y) {
         this.events.push({
-          type: 'onmousemove', x: x, y: y,
+          type: 'onmousemove',
+          x: x,
+          y: y,
           run: function run(e) {
             if (e.onmousemove) e.onmousemove();
           }
         });
       },
-
-
       eventElements: [],
-
       checkPath: function checkPath(element, ctx) {
-        var _this54 = this;
+        var _this26 = this;
 
         this.events.forEach(function (_ref5, i) {
           var x = _ref5.x,
               y = _ref5.y;
 
           if (ctx.isPointInPath && ctx.isPointInPath(x, y)) {
-            _this54.eventElements[i] = element;
+            _this26.eventElements[i] = element;
           }
         });
       },
       checkBoundingBox: function checkBoundingBox(element, bb) {
-        var _this55 = this;
+        var _this27 = this;
 
         this.events.forEach(function (_ref6, i) {
           var x = _ref6.x,
               y = _ref6.y;
 
           if (bb.isPointInBox(x, y)) {
-            _this55.eventElements[i] = element;
+            _this27.eventElements[i] = element;
           }
         });
       },
       runEvents: function runEvents() {
-        var _this56 = this;
+        var _this28 = this;
 
         svg.ctx.canvas.style.cursor = '';
-
         this.events.forEach(function (e, i) {
-          var element = _this56.eventElements[i];
+          var element = _this28.eventElements[i];
+
           while (element) {
             e.run(element);
             element = element.parent;
           }
-        });
+        }); // done running, clear
 
-        // done running, clear
         this.events = [];
         this.eventElements = [];
       }
     };
-
     return svg;
   }
 
@@ -4374,28 +4758,24 @@ var svgEditorExtension_server_opensave = (function () {
     };
   }
 
-  /* globals jQuery */
-
   var extServer_opensave = {
     name: 'server_opensave',
     init: function () {
-      var _ref2 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(_ref) {
-        var decode64 = _ref.decode64,
-            encode64 = _ref.encode64,
-            importLocale = _ref.importLocale;
-        var strings, svgEditor, $, svgCanvas, getFileNameFromTitle, xhtmlEscape, clientDownloadSupport, saveSvgAction, saveImgAction, cancelled, openSvgAction, importSvgAction, importImgAction, openSvgForm, importSvgForm, importImgForm, rebuildInput;
+      var _init = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee2(_ref) {
+        var decode64, encode64, importLocale, strings, svgEditor, $, svgCanvas, getFileNameFromTitle, xhtmlEscape, clientDownloadSupport, saveSvgAction, saveImgAction, cancelled, openSvgAction, importSvgAction, importImgAction, openSvgForm, importSvgForm, importImgForm, rebuildInput;
         return regeneratorRuntime.wrap(function _callee2$(_context2) {
           while (1) {
             switch (_context2.prev = _context2.next) {
               case 0:
-                rebuildInput = function rebuildInput(form) {
+                rebuildInput = function _ref5(form) {
                   form.empty();
                   var inp = $('<input type="file" name="svg_file">').appendTo(form);
 
                   function submit() {
                     // This submits the form, which returns the file data using svgEditor.processFile()
                     form.submit();
-
                     rebuildInput(form);
                     $.process_cancel(strings.uploading, function () {
                       cancelled = true;
@@ -4411,6 +4791,7 @@ var svgEditorExtension_server_opensave = (function () {
                           rebuildInput(form);
                           return;
                         }
+
                         submit();
                       });
                     });
@@ -4422,9 +4803,10 @@ var svgEditorExtension_server_opensave = (function () {
                   }
                 };
 
-                clientDownloadSupport = function clientDownloadSupport(filename, suffix, uri) {
+                clientDownloadSupport = function _ref4(filename, suffix, uri) {
                   var support = $('<a>')[0].download === '';
-                  var a = void 0;
+                  var a;
+
                   if (support) {
                     a = $('<a>hidden</a>').attr({
                       download: (filename || 'image') + suffix,
@@ -4435,30 +4817,28 @@ var svgEditorExtension_server_opensave = (function () {
                   }
                 };
 
-                xhtmlEscape = function xhtmlEscape(str) {
+                xhtmlEscape = function _ref3(str) {
                   return str.replace(/&(?!amp;)/g, '&amp;').replace(/"/g, '&quot;').replace(/</g, '&lt;'); // < is actually disallowed above anyways
                 };
 
-                getFileNameFromTitle = function getFileNameFromTitle() {
-                  var title = svgCanvas.getDocumentTitle();
-                  // We convert (to underscore) only those disallowed Win7 file name characters
+                getFileNameFromTitle = function _ref2() {
+                  var title = svgCanvas.getDocumentTitle(); // We convert (to underscore) only those disallowed Win7 file name characters
+
                   return title.trim().replace(/[/\\:*?"<>|]/g, '_');
                 };
 
-                _context2.next = 6;
+                decode64 = _ref.decode64, encode64 = _ref.encode64, importLocale = _ref.importLocale;
+                _context2.next = 7;
                 return importLocale();
 
-              case 6:
+              case 7:
                 strings = _context2.sent;
                 svgEditor = this;
                 $ = jQuery;
                 svgCanvas = svgEditor.canvas;
-                saveSvgAction = svgEditor.curConfig.extPath + 'filesave.php', saveImgAction = svgEditor.curConfig.extPath + 'filesave.php';
-                // Create upload target (hidden iframe)
+                saveSvgAction = svgEditor.curConfig.extPath + 'filesave.php', saveImgAction = svgEditor.curConfig.extPath + 'filesave.php'; // Create upload target (hidden iframe)
 
                 cancelled = false;
-
-
                 $('<iframe name="output_frame" src="#"/>').hide().appendTo('body');
                 svgEditor.setCustomHandlers({
                   save: function save(win, data) {
@@ -4479,19 +4859,22 @@ var svgEditorExtension_server_opensave = (function () {
                   exportPDF: function exportPDF(win, data) {
                     var filename = getFileNameFromTitle(),
                         datauri = data.output;
+
                     if (clientDownloadSupport(filename, '.pdf', datauri)) {
                       return;
                     }
+
                     $('<form>').attr({
                       method: 'post',
                       action: saveImgAction,
                       target: 'output_frame'
                     }).append('<input type="hidden" name="output_img" value="' + datauri + '">').append('<input type="hidden" name="mime" value="application/pdf">').append('<input type="hidden" name="filename" value="' + xhtmlEscape(filename) + '">').appendTo('body').submit().remove();
                   },
-
                   // Todo: Integrate this extension with a new built-in exportWindowType, "download"
                   exportImage: function () {
-                    var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(win, data) {
+                    var _exportImage = _asyncToGenerator(
+                    /*#__PURE__*/
+                    regeneratorRuntime.mark(function _callee(win, data) {
                       var issues, mimeType, quality, c, datauri, pre, note, filename, suffix;
                       return regeneratorRuntime.wrap(function _callee$(_context) {
                         while (1) {
@@ -4499,28 +4882,26 @@ var svgEditorExtension_server_opensave = (function () {
                             case 0:
                               issues = data.issues, mimeType = data.mimeType, quality = data.quality;
 
-
                               if (!$('#export_canvas').length) {
-                                $('<canvas>', { id: 'export_canvas' }).hide().appendTo('body');
+                                $('<canvas>', {
+                                  id: 'export_canvas'
+                                }).hide().appendTo('body');
                               }
+
                               c = $('#export_canvas')[0];
-
-
                               c.width = svgCanvas.contentW;
                               c.height = svgCanvas.contentH;
                               _context.next = 7;
                               return canvg(c, data.svg);
 
                             case 7:
-                              datauri = quality ? c.toDataURL(mimeType, quality) : c.toDataURL(mimeType);
-                              // {uiStrings} = svgEditor;
-
+                              datauri = quality ? c.toDataURL(mimeType, quality) : c.toDataURL(mimeType); // {uiStrings} = svgEditor;
                               // Check if there are issues
 
-                              pre = void 0, note = '';
+                              note = '';
 
                               if (issues.length) {
-                                pre = '\n \u2022 ';
+                                pre = "\n \u2022 ";
                                 note += '\n\n' + pre + issues.join(pre);
                               }
 
@@ -4536,10 +4917,9 @@ var svgEditorExtension_server_opensave = (function () {
                                 break;
                               }
 
-                              return _context.abrupt('return');
+                              return _context.abrupt("return");
 
                             case 15:
-
                               $('<form>').attr({
                                 method: 'post',
                                 action: saveImgAction,
@@ -4547,41 +4927,35 @@ var svgEditorExtension_server_opensave = (function () {
                               }).append('<input type="hidden" name="output_img" value="' + datauri + '">').append('<input type="hidden" name="mime" value="' + mimeType + '">').append('<input type="hidden" name="filename" value="' + xhtmlEscape(filename) + '">').appendTo('body').submit().remove();
 
                             case 16:
-                            case 'end':
+                            case "end":
                               return _context.stop();
                           }
                         }
                       }, _callee, this);
                     }));
 
-                    function exportImage(_x2, _x3) {
-                      return _ref3.apply(this, arguments);
-                    }
-
-                    return exportImage;
+                    return function exportImage(_x2, _x3) {
+                      return _exportImage.apply(this, arguments);
+                    };
                   }()
-                });
-
-                // Do nothing if client support is found
+                }); // Do nothing if client support is found
 
                 if (!window.FileReader) {
-                  _context2.next = 16;
+                  _context2.next = 17;
                   break;
                 }
 
-                return _context2.abrupt('return');
-
-              case 16:
+                return _context2.abrupt("return");
 
+              case 17:
                 // Change these to appropriate script file
                 openSvgAction = svgEditor.curConfig.extPath + 'fileopen.php?type=load_svg';
                 importSvgAction = svgEditor.curConfig.extPath + 'fileopen.php?type=import_svg';
-                importImgAction = svgEditor.curConfig.extPath + 'fileopen.php?type=import_img';
-
-                // Set up function for PHP uploader to use
+                importImgAction = svgEditor.curConfig.extPath + 'fileopen.php?type=import_img'; // Set up function for PHP uploader to use
 
                 svgEditor.processFile = function (str64, type) {
-                  var xmlstr = void 0;
+                  var xmlstr;
+
                   if (cancelled) {
                     cancelled = false;
                     return;
@@ -4599,59 +4973,52 @@ var svgEditorExtension_server_opensave = (function () {
                       svgCanvas.setSvgString(xmlstr);
                       svgEditor.updateCanvas();
                       break;
+
                     case 'import_svg':
                       svgCanvas.importSvgString(xmlstr);
                       svgEditor.updateCanvas();
                       break;
+
                     case 'import_img':
                       svgCanvas.setGoodImage(str64);
                       break;
                   }
-                };
+                }; // Create upload form
+
 
-                // Create upload form
                 openSvgForm = $('<form>');
-
                 openSvgForm.attr({
                   enctype: 'multipart/form-data',
                   method: 'post',
                   action: openSvgAction,
                   target: 'output_frame'
-                });
+                }); // Create import form
 
-                // Create import form
-                importSvgForm = openSvgForm.clone().attr('action', importSvgAction);
+                importSvgForm = openSvgForm.clone().attr('action', importSvgAction); // Create image form
 
-                // Create image form
-
-                importImgForm = openSvgForm.clone().attr('action', importImgAction);
-
-                // It appears necessary to rebuild this input every time a file is
+                importImgForm = openSvgForm.clone().attr('action', importImgAction); // It appears necessary to rebuild this input every time a file is
                 // selected so the same file can be picked and the change event can fire.
 
                 // Create the input elements
                 rebuildInput(openSvgForm);
                 rebuildInput(importSvgForm);
-                rebuildInput(importImgForm);
+                rebuildInput(importImgForm); // Add forms to buttons
 
-                // Add forms to buttons
                 $('#tool_open').show().prepend(openSvgForm);
                 $('#tool_import').show().prepend(importSvgForm);
                 $('#tool_image').prepend(importImgForm);
 
-              case 30:
-              case 'end':
+              case 31:
+              case "end":
                 return _context2.stop();
             }
           }
         }, _callee2, this);
       }));
 
-      function init(_x) {
-        return _ref2.apply(this, arguments);
-      }
-
-      return init;
+      return function init(_x) {
+        return _init.apply(this, arguments);
+      };
     }()
   };
 
diff --git a/dist/extensions/ext-shapes.js b/dist/extensions/ext-shapes.js
index f92ed058..740b6eb3 100644
--- a/dist/extensions/ext-shapes.js
+++ b/dist/extensions/ext-shapes.js
@@ -1,36 +1,44 @@
 var svgEditorExtension_shapes = (function () {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
-  };
+  }
 
   /* globals jQuery */
+
   /**
    * ext-shapes.js
    *
@@ -42,14 +50,15 @@ var svgEditorExtension_shapes = (function () {
   var extShapes = {
     name: 'shapes',
     init: function () {
-      var _ref2 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(_ref) {
-        var importLocale = _ref.importLocale;
-        var strings, svgEditor, $, canv, svgroot, lastBBox, categories, library, modeId, startClientPos, currentD, curShapeId, curShape, startX, startY, curLib, loadIcons, makeButtons, loadLibrary, buttons;
+      var _init = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(_ref) {
+        var importLocale, strings, svgEditor, $, canv, svgroot, lastBBox, categories, library, modeId, startClientPos, currentD, curShapeId, curShape, startX, startY, curLib, loadIcons, makeButtons, loadLibrary, buttons;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
-                loadLibrary = function loadLibrary(catId) {
+                loadLibrary = function _ref4(catId) {
                   var lib = library[catId];
 
                   if (!lib) {
@@ -65,61 +74,59 @@ var svgEditorExtension_shapes = (function () {
                     });
                     return;
                   }
+
                   curLib = lib;
+
                   if (!lib.buttons.length) {
                     makeButtons(catId, lib);
                   }
+
                   loadIcons();
                 };
 
-                makeButtons = function makeButtons(cat, shapes) {
+                makeButtons = function _ref3(cat, shapes) {
                   var size = curLib.size || 300;
                   var fill = curLib.fill || false;
                   var off = size * 0.05;
                   var vb = [-off, -off, size + off * 2, size + off * 2].join(' ');
                   var stroke = fill ? 0 : size / 30;
                   var shapeIcon = new DOMParser().parseFromString('<svg xmlns="http://www.w3.org/2000/svg">' + '<svg viewBox="' + vb + '">' + '<path fill="' + (fill ? '#333' : 'none') + '" stroke="#000" stroke-width="' + stroke + '" /></svg></svg>', 'text/xml');
-
                   var width = 24;
                   var height = 24;
                   shapeIcon.documentElement.setAttribute('width', width);
                   shapeIcon.documentElement.setAttribute('height', height);
                   var svgElem = $(document.importNode(shapeIcon.documentElement, true));
-
                   var data = shapes.data;
-
-
                   curLib.buttons = [];
+
                   for (var id in data) {
                     var pathD = data[id];
                     var icon = svgElem.clone();
                     icon.find('path').attr('d', pathD);
-
                     var iconBtn = icon.wrap('<div class="tool_button">').parent().attr({
                       id: modeId + '_' + id,
                       title: id
-                    });
-                    // Store for later use
+                    }); // Store for later use
+
                     curLib.buttons.push(iconBtn[0]);
                   }
                 };
 
-                loadIcons = function loadIcons() {
+                loadIcons = function _ref2() {
                   $('#shape_buttons').empty().append(curLib.buttons);
                 };
 
-                _context.next = 5;
+                importLocale = _ref.importLocale;
+                _context.next = 6;
                 return importLocale();
 
-              case 5:
+              case 6:
                 strings = _context.sent;
                 svgEditor = this;
                 $ = jQuery;
                 canv = svgEditor.canvas;
                 svgroot = canv.getRootElem();
-                lastBBox = {};
-
-                // This populates the category list
+                lastBBox = {}; // This populates the category list
 
                 categories = strings.categories;
                 library = {
@@ -153,19 +160,18 @@ var svgEditorExtension_shapes = (function () {
                       cross: 'm0.99844,99.71339l98.71494,0l0,-98.71495l101.26279,0l0,98.71495l98.71495,0l0,101.2628l-98.71495,0l0,98.71494l-101.26279,0l0,-98.71494l-98.71494,0z',
                       plaque: 'm-0.00197,49.94376l0,0c27.5829,0 49.94327,-22.36036 49.94327,-49.94327l199.76709,0l0,0c0,27.5829 22.36037,49.94327 49.94325,49.94327l0,199.7671l0,0c-27.58289,0 -49.94325,22.36034 -49.94325,49.94325l-199.76709,0c0,-27.58292 -22.36037,-49.94325 -49.94327,-49.94325z',
                       page: 'm249.3298,298.99744l9.9335,-39.73413l39.73413,-9.93355l-49.66763,49.66768l-248.33237,0l0,-298.00001l298.00001,0l0,248.33234'
-
                     },
                     buttons: []
                   }
                 };
                 modeId = 'shapelib';
                 startClientPos = {};
-                currentD = void 0, curShapeId = void 0, curShape = void 0, startX = void 0, startY = void 0;
                 curLib = library.basic;
                 buttons = [{
                   id: 'tool_shapelib',
                   icon: svgEditor.curConfig.extIconsPath + 'shapes.png',
-                  type: 'mode_flyout', // _flyout
+                  type: 'mode_flyout',
+                  // _flyout
                   position: 6,
                   events: {
                     click: function click() {
@@ -173,22 +179,18 @@ var svgEditorExtension_shapes = (function () {
                     }
                   }
                 }];
-                return _context.abrupt('return', {
+                return _context.abrupt("return", {
                   svgicons: svgEditor.curConfig.extIconsPath + 'ext-shapes.xml',
                   buttons: strings.buttons.map(function (button, i) {
                     return Object.assign(buttons[i], button);
                   }),
                   callback: function callback() {
                     $('<style>').text('#shape_buttons {' + 'overflow: auto;' + 'width: 180px;' + 'max-height: 300px;' + 'display: table-cell;' + 'vertical-align: middle;' + '}' + '#shape_cats {' + 'min-width: 110px;' + 'display: table-cell;' + 'vertical-align: middle;' + 'height: 300px;' + '}' + '#shape_cats > div {' + 'line-height: 1em;' + 'padding: .5em;' + 'border:1px solid #B0B0B0;' + 'background: #E8E8E8;' + 'margin-bottom: -1px;' + '}' + '#shape_cats div:hover {' + 'background: #FFFFCC;' + '}' + '#shape_cats div.current {' + 'font-weight: bold;' + '}').appendTo('head');
-
                     var btnDiv = $('<div id="shape_buttons">');
                     $('#tools_shapelib > *').wrapAll(btnDiv);
-
                     var shower = $('#tools_shapelib_show');
+                    loadLibrary('basic'); // Do mouseup on parent element rather than each button
 
-                    loadLibrary('basic');
-
-                    // Do mouseup on parent element rather than each button
                     $('#shape_buttons').mouseup(function (evt) {
                       var btn = $(evt.target).closest('div.tool_button');
 
@@ -201,53 +203,46 @@ var svgEditorExtension_shapes = (function () {
                       shower.append(copy).attr('data-curopt', '#' + btn[0].id) // This sets the current mode
                       .mouseup();
                       canv.setMode(modeId);
-
                       curShapeId = btn[0].id.substr((modeId + '_').length);
                       currentD = curLib.data[curShapeId];
-
                       $('.tools_flyout').fadeOut();
                     });
-
                     var shapeCats = $('<div id="shape_cats">');
-
                     var catStr = '';
                     $.each(categories, function (id, label) {
                       catStr += '<div data-cat=' + id + '>' + label + '</div>';
                     });
-
                     shapeCats.html(catStr).children().bind('mouseup', function () {
                       var catlink = $(this);
                       catlink.siblings().removeClass('current');
                       catlink.addClass('current');
+                      loadLibrary(catlink.attr('data-cat')); // Get stuff
 
-                      loadLibrary(catlink.attr('data-cat'));
-                      // Get stuff
                       return false;
                     });
-
                     shapeCats.children().eq(0).addClass('current');
-
                     $('#tools_shapelib').append(shapeCats);
-
                     shower.mouseup(function () {
                       canv.setMode(currentD ? modeId : 'select');
                     });
                     $('#tool_shapelib').remove();
-
                     var h = $('#tools_shapelib').height();
                     $('#tools_shapelib').css({
                       'margin-top': -(h / 2 - 15),
                       'margin-left': 3
-                    });
-                    // Now add shape categories from locale
+                    }); // Now add shape categories from locale
+
                     var cats = {};
+
                     for (var o in categories) {
                       cats['#shape_cats [data-cat="' + o + '"]'] = categories[o];
                     }
+
                     this.setStrings('content', cats);
                   },
                   mouseDown: function mouseDown(opts) {
                     var mode = canv.getMode();
+
                     if (mode !== modeId) {
                       return;
                     }
@@ -257,10 +252,8 @@ var svgEditorExtension_shapes = (function () {
                     startY = opts.start_y;
                     var y = startY;
                     var curStyle = canv.getStyle();
-
                     startClientPos.x = opts.event.clientX;
                     startClientPos.y = opts.event.clientY;
-
                     curShape = canv.addSVGElementFromJson({
                       element: 'path',
                       curStyles: true,
@@ -270,43 +263,39 @@ var svgEditorExtension_shapes = (function () {
                         opacity: curStyle.opacity / 2,
                         style: 'pointer-events:none'
                       }
-                    });
+                    }); // Make sure shape uses absolute values
 
-                    // Make sure shape uses absolute values
                     if (/[a-z]/.test(currentD)) {
                       currentD = curLib.data[curShapeId] = canv.pathActions.convertPath(curShape);
                       curShape.setAttribute('d', currentD);
                       canv.pathActions.fixEnd(curShape);
                     }
+
                     curShape.setAttribute('transform', 'translate(' + x + ',' + y + ') scale(0.005) translate(' + -x + ',' + -y + ')');
-
                     canv.recalculateDimensions(curShape);
+                    /* const tlist = */
 
-                    /* const tlist = */canv.getTransformList(curShape);
-
+                    canv.getTransformList(curShape);
                     lastBBox = curShape.getBBox();
-
                     return {
                       started: true
                     };
                   },
                   mouseMove: function mouseMove(opts) {
                     var mode = canv.getMode();
+
                     if (mode !== modeId) {
                       return;
                     }
 
                     var zoom = canv.getZoom();
                     var evt = opts.event;
-
                     var x = opts.mouse_x / zoom;
                     var y = opts.mouse_y / zoom;
-
                     var tlist = canv.getTransformList(curShape),
                         box = curShape.getBBox(),
                         left = box.x,
-                        top = box.y;
-                    // {width, height} = box,
+                        top = box.y; // {width, height} = box,
                     // const dx = (x - startX), dy = (y - startY);
 
                     var newbox = {
@@ -315,7 +304,6 @@ var svgEditorExtension_shapes = (function () {
                       width: Math.abs(x - startX),
                       height: Math.abs(y - startY)
                     };
-
                     /*
                     // This is currently serving no purpose, so commenting out
                     let sy = height ? (height + dy) / height : 1,
@@ -323,49 +311,48 @@ var svgEditorExtension_shapes = (function () {
                     */
 
                     var sx = newbox.width / lastBBox.width || 1;
-                    var sy = newbox.height / lastBBox.height || 1;
+                    var sy = newbox.height / lastBBox.height || 1; // Not perfect, but mostly works...
 
-                    // Not perfect, but mostly works...
                     var tx = 0;
+
                     if (x < startX) {
                       tx = lastBBox.width;
                     }
+
                     var ty = 0;
+
                     if (y < startY) {
                       ty = lastBBox.height;
-                    }
+                    } // update the transform list with translate,scale,translate
+
 
-                    // update the transform list with translate,scale,translate
                     var translateOrigin = svgroot.createSVGTransform(),
                         scale = svgroot.createSVGTransform(),
                         translateBack = svgroot.createSVGTransform();
-
                     translateOrigin.setTranslate(-(left + tx), -(top + ty));
+
                     if (!evt.shiftKey) {
                       var max = Math.min(Math.abs(sx), Math.abs(sy));
-
                       sx = max * (sx < 0 ? -1 : 1);
                       sy = max * (sy < 0 ? -1 : 1);
                     }
-                    scale.setScale(sx, sy);
 
+                    scale.setScale(sx, sy);
                     translateBack.setTranslate(left + tx, top + ty);
                     tlist.appendItem(translateBack);
                     tlist.appendItem(scale);
                     tlist.appendItem(translateOrigin);
-
                     canv.recalculateDimensions(curShape);
-
                     lastBBox = curShape.getBBox();
                   },
                   mouseUp: function mouseUp(opts) {
                     var mode = canv.getMode();
+
                     if (mode !== modeId) {
                       return;
                     }
 
                     var keepObject = opts.event.clientX !== startClientPos.x && opts.event.clientY !== startClientPos.y;
-
                     return {
                       keep: keepObject,
                       element: curShape,
@@ -375,18 +362,16 @@ var svgEditorExtension_shapes = (function () {
                 });
 
               case 19:
-              case 'end':
+              case "end":
                 return _context.stop();
             }
           }
         }, _callee, this);
       }));
 
-      function init(_x) {
-        return _ref2.apply(this, arguments);
-      }
-
-      return init;
+      return function init(_x) {
+        return _init.apply(this, arguments);
+      };
     }()
   };
 
diff --git a/dist/extensions/ext-star.js b/dist/extensions/ext-star.js
index 58a9fe13..29bd973d 100644
--- a/dist/extensions/ext-star.js
+++ b/dist/extensions/ext-star.js
@@ -1,36 +1,44 @@
 var svgEditorExtension_star = (function () {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
-  };
+  }
 
   /* globals jQuery */
+
   /**
    * ext-star.js
    *
@@ -41,22 +49,26 @@ var svgEditorExtension_star = (function () {
   var extStar = {
     name: 'star',
     init: function () {
-      var _ref = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(S) {
+      var _init = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(S) {
         var svgEditor, $, svgCanvas, importLocale, selElems, started, newFO, strings, showPanel, setAttr, buttons, contextTools;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
-                setAttr = function setAttr(attr, val) {
+                setAttr = function _ref2(attr, val) {
                   svgCanvas.changeSelectedAttribute(attr, val);
                   svgCanvas.call('changed', selElems);
                 };
 
-                showPanel = function showPanel(on) {
+                showPanel = function _ref(on) {
                   var fcRules = $('#fc_rules');
+
                   if (!fcRules.length) {
                     fcRules = $('<style id="fc_rules"></style>').appendTo('head');
                   }
+
                   fcRules.text(!on ? '' : ' #tool_topath { display: none !important; }');
                   $('#star_panel').toggle(on);
                 };
@@ -66,19 +78,12 @@ var svgEditorExtension_star = (function () {
                 svgCanvas = svgEditor.canvas;
                 importLocale = S.importLocale; // {svgcontent},
 
-                selElems = void 0, started = void 0, newFO = void 0;
-                // edg = 0,
-                // newFOG, newFOGParent, newDef, newImageName, newMaskID,
-                // undoCommand = 'Not image',
-                // modeChangeG, ccZoom, wEl, hEl, wOffset, hOffset, ccRgbEl, brushW, brushH;
-
-                _context.next = 9;
+                _context.next = 8;
                 return importLocale();
 
-              case 9:
+              case 8:
                 strings = _context.sent;
 
-
                 /*
                 function cot(n){
                   return 1 / Math.tan(n);
@@ -128,7 +133,7 @@ var svgEditorExtension_star = (function () {
                     }
                   }
                 }];
-                return _context.abrupt('return', {
+                return _context.abrupt("return", {
                   name: strings.name,
                   svgicons: svgEditor.curConfig.extIconsPath + 'star-icons.svg',
                   buttons: strings.buttons.map(function (button, i) {
@@ -138,19 +143,17 @@ var svgEditorExtension_star = (function () {
                     return Object.assign(contextTools[i], contextTool);
                   }),
                   callback: function callback() {
-                    $('#star_panel').hide();
-                    // const endChanges = function(){};
+                    $('#star_panel').hide(); // const endChanges = function(){};
                   },
                   mouseDown: function mouseDown(opts) {
-                    var rgb = svgCanvas.getColor('fill');
-                    // const ccRgbEl = rgb.substring(1, rgb.length);
-                    var sRgb = svgCanvas.getColor('stroke');
-                    // const ccSRgbEl = sRgb.substring(1, rgb.length);
+                    var rgb = svgCanvas.getColor('fill'); // const ccRgbEl = rgb.substring(1, rgb.length);
+
+                    var sRgb = svgCanvas.getColor('stroke'); // const ccSRgbEl = sRgb.substring(1, rgb.length);
+
                     var sWidth = svgCanvas.getStrokeWidth();
 
                     if (svgCanvas.getMode() === 'star') {
                       started = true;
-
                       newFO = svgCanvas.addSVGElementFromJson({
                         element: 'polygon',
                         attr: {
@@ -177,9 +180,9 @@ var svgEditorExtension_star = (function () {
                     if (!started) {
                       return;
                     }
+
                     if (svgCanvas.getMode() === 'star') {
                       var c = $(newFO).attr(['cx', 'cy', 'point', 'orient', 'fill', 'strokecolor', 'strokeWidth', 'radialshift']);
-
                       var x = opts.mouse_x;
                       var y = opts.mouse_y;
                       var cx = c.cx,
@@ -192,13 +195,13 @@ var svgEditorExtension_star = (function () {
                           orient = c.orient,
                           circumradius = Math.sqrt((x - cx) * (x - cx) + (y - cy) * (y - cy)) / 1.5,
                           inradius = circumradius / document.getElementById('starRadiusMulitplier').value;
-
                       newFO.setAttributeNS(null, 'r', circumradius);
                       newFO.setAttributeNS(null, 'r2', inradius);
-
                       var polyPoints = '';
+
                       for (var s = 0; point >= s; s++) {
                         var angle = 2.0 * Math.PI * (s / point);
+
                         if (orient === 'point') {
                           angle -= Math.PI / 2;
                         } else if (orient === 'edge') {
@@ -207,30 +210,31 @@ var svgEditorExtension_star = (function () {
 
                         x = circumradius * Math.cos(angle) + cx;
                         y = circumradius * Math.sin(angle) + cy;
-
                         polyPoints += x + ',' + y + ' ';
 
                         if (!isNaN(inradius)) {
                           angle = 2.0 * Math.PI * (s / point) + Math.PI / point;
+
                           if (orient === 'point') {
                             angle -= Math.PI / 2;
                           } else if (orient === 'edge') {
                             angle = angle + Math.PI / point - Math.PI / 2;
                           }
-                          angle += radialshift;
 
+                          angle += radialshift;
                           x = inradius * Math.cos(angle) + cx;
                           y = inradius * Math.sin(angle) + cy;
-
                           polyPoints += x + ',' + y + ' ';
                         }
                       }
+
                       newFO.setAttributeNS(null, 'points', polyPoints);
                       newFO.setAttributeNS(null, 'fill', fill);
                       newFO.setAttributeNS(null, 'stroke', strokecolor);
                       newFO.setAttributeNS(null, 'stroke-width', strokeWidth);
-                      /* const shape = */newFO.getAttributeNS(null, 'shape');
+                      /* const shape = */
 
+                      newFO.getAttributeNS(null, 'shape');
                       return {
                         started: true
                       };
@@ -238,8 +242,8 @@ var svgEditorExtension_star = (function () {
                   },
                   mouseUp: function mouseUp() {
                     if (svgCanvas.getMode() === 'star') {
-                      var attrs = $(newFO).attr(['r']);
-                      // svgCanvas.addToSelection([newFO], true);
+                      var attrs = $(newFO).attr(['r']); // svgCanvas.addToSelection([newFO], true);
+
                       return {
                         keep: attrs.r !== '0',
                         element: newFO
@@ -249,10 +253,11 @@ var svgEditorExtension_star = (function () {
                   selectedChanged: function selectedChanged(opts) {
                     // Use this to update the current selected elements
                     selElems = opts.elems;
-
                     var i = selElems.length;
+
                     while (i--) {
                       var elem = selElems[i];
+
                       if (elem && elem.getAttributeNS(null, 'shape') === 'star') {
                         if (opts.selectedElement && !opts.multiselected) {
                           // $('#starRadiusMulitplier').val(elem.getAttribute('r2'));
@@ -267,24 +272,20 @@ var svgEditorExtension_star = (function () {
                       }
                     }
                   },
-                  elementChanged: function elementChanged(opts) {
-                    // const elem = opts.elems[0];
-                  }
+                  elementChanged: function elementChanged(opts) {}
                 });
 
-              case 13:
-              case 'end':
+              case 12:
+              case "end":
                 return _context.stop();
             }
           }
         }, _callee, this);
       }));
 
-      function init(_x) {
-        return _ref.apply(this, arguments);
-      }
-
-      return init;
+      return function init(_x) {
+        return _init.apply(this, arguments);
+      };
     }()
   };
 
diff --git a/dist/extensions/ext-storage.js b/dist/extensions/ext-storage.js
index c476fa3f..6f42b655 100644
--- a/dist/extensions/ext-storage.js
+++ b/dist/extensions/ext-storage.js
@@ -1,36 +1,44 @@
 var svgEditorExtension_storage = (function () {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
-  };
+  }
 
   /* globals jQuery */
+
   /**
    * ext-storage.js
    *
@@ -58,23 +66,22 @@ var svgEditorExtension_storage = (function () {
     init: function init() {
       var svgEditor = this;
       var $ = jQuery;
-      var svgCanvas = svgEditor.canvas;
-
-      // We could empty any already-set data for users when they decline storage,
+      var svgCanvas = svgEditor.canvas; // We could empty any already-set data for users when they decline storage,
       //  but it would be a risk for users who wanted to store but accidentally
       // said "no"; instead, we'll let those who already set it, delete it themselves;
       // to change, set the "emptyStorageOnDecline" config setting to true
       // in svgedit-config-iife.js/svgedit-config-es.js.
+
       var _svgEditor$curConfig = svgEditor.curConfig,
           emptyStorageOnDecline = _svgEditor$curConfig.emptyStorageOnDecline,
           noStorageOnLoad = _svgEditor$curConfig.noStorageOnLoad,
           forceStorage = _svgEditor$curConfig.forceStorage;
       var storage = svgEditor.storage;
 
-
       function replaceStoragePrompt(val) {
         val = val ? 'storagePrompt=' + val : '';
         var loc = top.location; // Allow this to work with the embedded editor as well
+
         if (loc.href.includes('storagePrompt=')) {
           loc.href = loc.href.replace(/([&?])storagePrompt=[^&]*(&?)/, function (n0, n1, amp) {
             return (val ? n1 : '') + val + (!val && amp ? n1 : amp || '');
@@ -83,9 +90,11 @@ var svgEditorExtension_storage = (function () {
           loc.href += (loc.href.includes('?') ? '&' : '?') + val;
         }
       }
+
       function setSVGContentStorage(val) {
         if (storage) {
           var name = 'svgedit-' + svgEditor.curConfig.canvasName;
+
           if (!val) {
             storage.removeItem(name);
           } else {
@@ -104,18 +113,19 @@ var svgEditorExtension_storage = (function () {
 
       function emptyStorage() {
         setSVGContentStorage('');
+
         for (var name in svgEditor.curPrefs) {
           if (svgEditor.curPrefs.hasOwnProperty(name)) {
             name = 'svg-edit-' + name;
+
             if (storage) {
               storage.removeItem(name);
             }
+
             expireCookie(name);
           }
         }
-      }
-
-      // emptyStorage();
+      } // emptyStorage();
 
       /**
       * Listen for unloading: If and only if opted in by the user, set the content
@@ -125,31 +135,37 @@ var svgEditorExtension_storage = (function () {
       * 2. Use localStorage to set SVG contents (potentially too large to allow in cookies)
       * 3. Use localStorage (where available) or cookies to set preferences.
       */
+
+
       function setupBeforeUnloadListener() {
         window.addEventListener('beforeunload', function (e) {
           // Don't save anything unless the user opted in to storage
           if (!document.cookie.match(/(?:^|;\s*)store=(?:prefsAndContent|prefsOnly)/)) {
             return;
           }
+
           if (document.cookie.match(/(?:^|;\s*)store=prefsAndContent/)) {
             setSVGContentStorage(svgCanvas.getSvgString());
           }
 
-          svgEditor.setConfig({ no_save_warning: true }); // No need for explicit saving at all once storage is on
+          svgEditor.setConfig({
+            no_save_warning: true
+          }); // No need for explicit saving at all once storage is on
           // svgEditor.showSaveWarning = false;
 
           var curPrefs = svgEditor.curPrefs;
 
-
           for (var key in curPrefs) {
             if (curPrefs.hasOwnProperty(key)) {
               // It's our own config, so we don't need to iterate up the prototype chain
               var val = curPrefs[key];
               var store = val !== undefined;
               key = 'svg-edit-' + key;
+
               if (!store) {
                 continue;
               }
+
               if (storage) {
                 storage.setItem(key, val);
               } else if (window.widget) {
@@ -167,72 +183,79 @@ var svgEditorExtension_storage = (function () {
       return {
         name: 'storage',
         langReady: function () {
-          var _ref2 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(_ref) {
-            var importLocale = _ref.importLocale;
-
-            var _$$deparam$querystrin, storagePrompt, confirmSetStorage, message, storagePrefsAndContent, storagePrefsOnly, storagePrefs, storageNoPrefsOrContent, storageNoPrefs, rememberLabel, rememberTooltip, options, oldContainerWidth, oldContainerMarginLeft, oldContentHeight, oldContainerHeight;
+          var _langReady = _asyncToGenerator(
+          /*#__PURE__*/
+          regeneratorRuntime.mark(function _callee(_ref) {
+            var importLocale, _$$deparam$querystrin, storagePrompt, confirmSetStorage, message, storagePrefsAndContent, storagePrefsOnly, storagePrefs, storageNoPrefsOrContent, storageNoPrefs, rememberLabel, rememberTooltip, options, oldContainerWidth, oldContainerMarginLeft, oldContentHeight, oldContainerHeight;
 
             return regeneratorRuntime.wrap(function _callee$(_context) {
               while (1) {
                 switch (_context.prev = _context.next) {
                   case 0:
+                    importLocale = _ref.importLocale;
                     _$$deparam$querystrin = $.deparam.querystring(true), storagePrompt = _$$deparam$querystrin.storagePrompt;
-                    _context.next = 3;
+                    _context.next = 4;
                     return importLocale();
 
-                  case 3:
+                  case 4:
                     confirmSetStorage = _context.sent;
-                    message = confirmSetStorage.message, storagePrefsAndContent = confirmSetStorage.storagePrefsAndContent, storagePrefsOnly = confirmSetStorage.storagePrefsOnly, storagePrefs = confirmSetStorage.storagePrefs, storageNoPrefsOrContent = confirmSetStorage.storageNoPrefsOrContent, storageNoPrefs = confirmSetStorage.storageNoPrefs, rememberLabel = confirmSetStorage.rememberLabel, rememberTooltip = confirmSetStorage.rememberTooltip;
-
-                    // No need to run this one-time dialog again just because the user
+                    message = confirmSetStorage.message, storagePrefsAndContent = confirmSetStorage.storagePrefsAndContent, storagePrefsOnly = confirmSetStorage.storagePrefsOnly, storagePrefs = confirmSetStorage.storagePrefs, storageNoPrefsOrContent = confirmSetStorage.storageNoPrefsOrContent, storageNoPrefs = confirmSetStorage.storageNoPrefs, rememberLabel = confirmSetStorage.rememberLabel, rememberTooltip = confirmSetStorage.rememberTooltip; // No need to run this one-time dialog again just because the user
                     //   changes the language
 
                     if (!loaded) {
-                      _context.next = 7;
+                      _context.next = 8;
                       break;
                     }
 
-                    return _context.abrupt('return');
+                    return _context.abrupt("return");
 
-                  case 7:
-                    loaded = true;
-
-                    // Note that the following can load even if "noStorageOnLoad" is
+                  case 8:
+                    loaded = true; // Note that the following can load even if "noStorageOnLoad" is
                     //   set to false; to avoid any chance of storage, avoid this
                     //   extension! (and to avoid using any prior storage, set the
                     //   config option "noStorageOnLoad" to true).
-                    if (!forceStorage && (
-                    // If the URL has been explicitly set to always prompt the
+
+                    if (!forceStorage && ( // If the URL has been explicitly set to always prompt the
                     //  user (e.g., so one can be pointed to a URL where one
                     // can alter one's settings, say to prevent future storage)...
-                    storagePrompt === true ||
-                    // ...or...if the URL at least doesn't explicitly prevent a
+                    storagePrompt === true || // ...or...if the URL at least doesn't explicitly prevent a
                     //  storage prompt (as we use for users who
                     // don't want to set cookies at all but who don't want
                     // continual prompts about it)...
-                    storagePrompt !== false &&
-                    // ...and this user hasn't previously indicated a desire for storage
-                    !document.cookie.match(/(?:^|;\s*)store=(?:prefsAndContent|prefsOnly)/)
-                    // ...then show the storage prompt.
+                    storagePrompt !== false && // ...and this user hasn't previously indicated a desire for storage
+                    !document.cookie.match(/(?:^|;\s*)store=(?:prefsAndContent|prefsOnly)/) // ...then show the storage prompt.
                     )) {
                       options = [];
 
                       if (storage) {
-                        options.unshift({ value: 'prefsAndContent', text: storagePrefsAndContent }, { value: 'prefsOnly', text: storagePrefsOnly }, { value: 'noPrefsOrContent', text: storageNoPrefsOrContent });
+                        options.unshift({
+                          value: 'prefsAndContent',
+                          text: storagePrefsAndContent
+                        }, {
+                          value: 'prefsOnly',
+                          text: storagePrefsOnly
+                        }, {
+                          value: 'noPrefsOrContent',
+                          text: storageNoPrefsOrContent
+                        });
                       } else {
-                        options.unshift({ value: 'prefsOnly', text: storagePrefs }, { value: 'noPrefsOrContent', text: storageNoPrefs });
-                      }
+                        options.unshift({
+                          value: 'prefsOnly',
+                          text: storagePrefs
+                        }, {
+                          value: 'noPrefsOrContent',
+                          text: storageNoPrefs
+                        });
+                      } // Hack to temporarily provide a wide and high enough dialog
+
 
-                      // Hack to temporarily provide a wide and high enough dialog
                       oldContainerWidth = $('#dialog_container')[0].style.width, oldContainerMarginLeft = $('#dialog_container')[0].style.marginLeft, oldContentHeight = $('#dialog_content')[0].style.height, oldContainerHeight = $('#dialog_container')[0].style.height;
-
                       $('#dialog_content')[0].style.height = '120px';
                       $('#dialog_container')[0].style.height = '170px';
                       $('#dialog_container')[0].style.width = '800px';
-                      $('#dialog_container')[0].style.marginLeft = '-400px';
-
-                      // Open select-with-checkbox dialog
+                      $('#dialog_container')[0].style.marginLeft = '-400px'; // Open select-with-checkbox dialog
                       // From svg-editor.js
+
                       $.select(message, options, function (pref, checked) {
                         if (pref && pref !== 'noPrefsOrContent') {
                           // Regardless of whether the user opted
@@ -246,6 +269,7 @@ var svgEditorExtension_storage = (function () {
                           //    the user does indicate a wish to store their info, we
                           //    don't want ask them again upon page refresh so move
                           //    them instead to a URL which does not always prompt
+
                           if (storagePrompt === true && checked) {
                             replaceStoragePrompt();
                             return;
@@ -253,34 +277,33 @@ var svgEditorExtension_storage = (function () {
                         } else {
                           // The user does not wish storage (or cancelled, which we treat equivalently)
                           removeStoragePrefCookie();
+
                           if (pref && // If the user explicitly expresses wish for no storage
                           emptyStorageOnDecline) {
                             emptyStorage();
                           }
+
                           if (pref && checked) {
                             // Open a URL which won't set storage and won't prompt user about storage
                             replaceStoragePrompt('false');
                             return;
                           }
-                        }
+                        } // Reset width/height of dialog (e.g., for use by Export)
+
 
-                        // Reset width/height of dialog (e.g., for use by Export)
                         $('#dialog_container')[0].style.width = oldContainerWidth;
                         $('#dialog_container')[0].style.marginLeft = oldContainerMarginLeft;
                         $('#dialog_content')[0].style.height = oldContentHeight;
-                        $('#dialog_container')[0].style.height = oldContainerHeight;
-
-                        // It should be enough to (conditionally) add to storage on
+                        $('#dialog_container')[0].style.height = oldContainerHeight; // It should be enough to (conditionally) add to storage on
                         //   beforeunload, but if we wished to update immediately,
                         //   we might wish to try setting:
                         //       svgEditor.setConfig({noStorageOnLoad: true});
                         //   and then call:
                         //       svgEditor.loadContentAndPrefs();
-
                         // We don't check for noStorageOnLoad here because
                         //   the prompt gives the user the option to store data
-                        setupBeforeUnloadListener();
 
+                        setupBeforeUnloadListener();
                         svgEditor.storagePromptClosed = true;
                       }, null, null, {
                         label: rememberLabel,
@@ -291,19 +314,17 @@ var svgEditorExtension_storage = (function () {
                       setupBeforeUnloadListener();
                     }
 
-                  case 9:
-                  case 'end':
+                  case 10:
+                  case "end":
                     return _context.stop();
                 }
               }
             }, _callee, this);
           }));
 
-          function langReady(_x) {
-            return _ref2.apply(this, arguments);
-          }
-
-          return langReady;
+          return function langReady(_x) {
+            return _langReady.apply(this, arguments);
+          };
         }()
       };
     }
diff --git a/dist/extensions/ext-webappfind.js b/dist/extensions/ext-webappfind.js
index c89a72e6..ad88c032 100644
--- a/dist/extensions/ext-webappfind.js
+++ b/dist/extensions/ext-webappfind.js
@@ -1,34 +1,41 @@
 var svgEditorExtension_webappfind = (function () {
   'use strict';
 
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
-  };
+  }
 
   /**
   * Depends on Firefox add-on and executables from {@link https://github.com/brettz9/webappfind}
@@ -36,26 +43,25 @@ var svgEditorExtension_webappfind = (function () {
   * @license MIT
   * @todo See WebAppFind Readme for SVG-related todos
   */
-
   var extWebappfind = {
     name: 'webappfind',
     init: function () {
-      var _ref2 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(_ref) {
-        var importLocale = _ref.importLocale;
-        var strings, svgEditor, saveMessage, readMessage, excludedMessages, pathID, buttons;
+      var _init = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(_ref) {
+        var importLocale, strings, svgEditor, saveMessage, readMessage, excludedMessages, pathID, buttons;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
             switch (_context.prev = _context.next) {
               case 0:
-                _context.next = 2;
+                importLocale = _ref.importLocale;
+                _context.next = 3;
                 return importLocale();
 
-              case 2:
+              case 3:
                 strings = _context.sent;
                 svgEditor = this;
                 saveMessage = 'save', readMessage = 'read', excludedMessages = [readMessage, saveMessage];
-                pathID = void 0;
-
                 this.canvas.bind('message',
                 /**
                 * @param {external:Window} win
@@ -64,19 +70,19 @@ var svgEditorExtension_webappfind = (function () {
                 * @throws {Error} Unexpected event type
                 * @returns {undefined}
                 */
-                function (win, _ref3) {
-                  var data = _ref3.data,
-                      origin = _ref3.origin;
-
+                function (win, _ref2) {
+                  var data = _ref2.data,
+                      origin = _ref2.origin;
                   // console.log('data, origin', data, origin);
-                  var type = void 0,
-                      content = void 0;
+                  var type, content;
+
                   try {
-                    // May throw if data is not an object
                     var _data$webappfind = data.webappfind;
                     type = _data$webappfind.type;
                     pathID = _data$webappfind.pathID;
                     content = _data$webappfind.content;
+
+                    // May throw if data is not an object
                     if (origin !== location.origin || // We are only interested in a message sent as though within this URL by our browser add-on
                     excludedMessages.includes(type) // Avoid our post below (other messages might be possible in the future which may also need to be excluded if your subsequent code makes assumptions on the type of message this is)
                     ) {
@@ -90,19 +96,20 @@ var svgEditorExtension_webappfind = (function () {
                     case 'view':
                       // Populate the contents
                       svgEditor.loadFromString(content);
-
                       /* if ($('#tool_save_file')) {
                         $('#tool_save_file').disabled = false;
                       } */
+
                       break;
+
                     case 'save-end':
-                      alert('save complete for pathID ' + pathID + '!');
+                      alert("save complete for pathID ".concat(pathID, "!"));
                       break;
+
                     default:
                       throw new Error('Unexpected WebAppFind event type');
                   }
                 });
-
                 /*
                 window.postMessage({
                   webappfind: {
@@ -115,31 +122,34 @@ var svgEditorExtension_webappfind = (function () {
                   : window.location.origin
                 );
                 */
+
                 buttons = [{
-                  id: 'webappfind_save', //
+                  id: 'webappfind_save',
+                  //
                   icon: svgEditor.curConfig.extIconsPath + 'webappfind.png',
                   type: 'app_menu',
-                  position: 4, // Before 0-based index position 4 (after the regular "Save Image (S)")
+                  position: 4,
+                  // Before 0-based index position 4 (after the regular "Save Image (S)")
                   events: {
                     click: function click() {
                       if (!pathID) {
                         // Not ready yet as haven't received first payload
                         return;
                       }
+
                       window.postMessage({
                         webappfind: {
                           type: saveMessage,
                           pathID: pathID,
                           content: svgEditor.canvas.getSvgString()
                         }
-                      }, window.location.origin === 'null'
-                      // Avoid "null" string error for `file:` protocol (even
+                      }, window.location.origin === 'null' // Avoid "null" string error for `file:` protocol (even
                       //  though file protocol not currently supported by add-on)
                       ? '*' : window.location.origin);
                     }
                   }
                 }];
-                return _context.abrupt('return', {
+                return _context.abrupt("return", {
                   name: strings.name,
                   svgicons: svgEditor.curConfig.extIconsPath + 'webappfind-icon.svg',
                   buttons: strings.buttons.map(function (button, i) {
@@ -148,18 +158,16 @@ var svgEditorExtension_webappfind = (function () {
                 });
 
               case 9:
-              case 'end':
+              case "end":
                 return _context.stop();
             }
           }
         }, _callee, this);
       }));
 
-      function init(_x) {
-        return _ref2.apply(this, arguments);
-      }
-
-      return init;
+      return function init(_x) {
+        return _init.apply(this, arguments);
+      };
     }()
   };
 
diff --git a/dist/extensions/ext-xdomain-messaging.js b/dist/extensions/ext-xdomain-messaging.js
index 6850f8bf..0c423221 100644
--- a/dist/extensions/ext-xdomain-messaging.js
+++ b/dist/extensions/ext-xdomain-messaging.js
@@ -1,21 +1,39 @@
 var svgEditorExtension_xdomain_messaging = (function () {
   'use strict';
 
-  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
-    return typeof obj;
-  } : function (obj) {
-    return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
-  };
+  function _typeof(obj) {
+    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
+      _typeof = function (obj) {
+        return typeof obj;
+      };
+    } else {
+      _typeof = function (obj) {
+        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+      };
+    }
 
-  var toConsumableArray = function (arr) {
+    return _typeof(obj);
+  }
+
+  function _toConsumableArray(arr) {
+    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
+  }
+
+  function _arrayWithoutHoles(arr) {
     if (Array.isArray(arr)) {
-      for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+      for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
 
       return arr2;
-    } else {
-      return Array.from(arr);
     }
-  };
+  }
+
+  function _iterableToArray(iter) {
+    if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+  }
+
+  function _nonIterableSpread() {
+    throw new TypeError("Invalid attempt to spread non-iterable instance");
+  }
 
   /**
   * Should not be needed for same domain control (just call via child frame),
@@ -27,40 +45,46 @@ var svgEditorExtension_xdomain_messaging = (function () {
     init: function init() {
       var svgEditor = this;
       var svgCanvas = svgEditor.canvas;
+
       try {
         window.addEventListener('message', function (e) {
           // We accept and post strings for the sake of IE9 support
           if (!e.data || !['string', 'object'].includes(_typeof(e.data)) || e.data.charAt() === '|') {
             return;
           }
+
           var data = _typeof(e.data) === 'object' ? e.data : JSON.parse(e.data);
-          if (!data || (typeof data === 'undefined' ? 'undefined' : _typeof(data)) !== 'object' || data.namespace !== 'svgCanvas') {
+
+          if (!data || _typeof(data) !== 'object' || data.namespace !== 'svgCanvas') {
             return;
-          }
-          // The default is not to allow any origins, including even the same domain or
+          } // The default is not to allow any origins, including even the same domain or
           //  if run on a `file:///` URL. See `svgedit-config-es.js` for an example of how
           //  to configure
+
+
           var allowedOrigins = svgEditor.curConfig.allowedOrigins;
 
           if (!allowedOrigins.includes('*') && !allowedOrigins.includes(e.origin)) {
-            console.log('Origin ' + e.origin + ' not whitelisted for posting to ' + window.origin);
+            console.log("Origin ".concat(e.origin, " not whitelisted for posting to ").concat(window.origin));
             return;
           }
+
           var cbid = data.id;
           var name = data.name,
               args = data.args;
-
           var message = {
             namespace: 'svg-edit',
             id: cbid
           };
+
           try {
             // Now that we know the origin is trusted, we perform otherwise
             //   unsafe arbitrary canvas method execution
-            message.result = svgCanvas[name].apply(svgCanvas, toConsumableArray(args)); // lgtm [js/remote-property-injection]
+            message.result = svgCanvas[name].apply(svgCanvas, _toConsumableArray(args)); // lgtm [js/remote-property-injection]
           } catch (err) {
             message.error = err.message;
           }
+
           e.source.postMessage(JSON.stringify(message), '*');
         }, false);
       } catch (err) {
diff --git a/dist/extensions/imagelib/index.js b/dist/extensions/imagelib/index.js
index 5947107f..ca1cc7fb 100644
--- a/dist/extensions/imagelib/index.js
+++ b/dist/extensions/imagelib/index.js
@@ -1,50 +1,58 @@
 (function () {
   'use strict';
 
-  var _extends = Object.assign || function (target) {
-    for (var i = 1; i < arguments.length; i++) {
-      var source = arguments[i];
+  function _extends() {
+    _extends = Object.assign || function (target) {
+      for (var i = 1; i < arguments.length; i++) {
+        var source = arguments[i];
 
-      for (var key in source) {
-        if (Object.prototype.hasOwnProperty.call(source, key)) {
-          target[key] = source[key];
+        for (var key in source) {
+          if (Object.prototype.hasOwnProperty.call(source, key)) {
+            target[key] = source[key];
+          }
         }
       }
-    }
 
-    return target;
-  };
+      return target;
+    };
+
+    return _extends.apply(this, arguments);
+  }
 
   /* globals jQuery */
   var $ = jQuery;
   $('a').click(function () {
     var href = this.href;
-
     var target = window.parent;
+
     var post = function post(message) {
       // Todo: Make origin customizable as set by opening window
       // Todo: If dropping IE9, avoid stringifying
       target.postMessage(JSON.stringify(_extends({
         namespace: 'imagelib'
       }, message)), '*');
-    };
-    // Convert Non-SVG images to data URL first
+    }; // Convert Non-SVG images to data URL first
     // (this could also have been done server-side by the library)
     // Send metadata (also indicates file is about to be sent)
+
+
     post({
       name: $(this).text(),
       id: href
     });
+
     if (!href.includes('.svg')) {
       var img = new Image();
+
       img.onload = function () {
         var canvas = document.createElement('canvas');
         canvas.width = this.width;
-        canvas.height = this.height;
-        // load the raster image into the canvas
-        canvas.getContext('2d').drawImage(this, 0, 0);
-        // retrieve the data: URL
-        var data = void 0;
+        canvas.height = this.height; // load the raster image into the canvas
+
+        canvas.getContext('2d').drawImage(this, 0, 0); // retrieve the data: URL
+
+        var data;
+
         try {
           data = canvas.toDataURL();
         } catch (err) {
@@ -52,15 +60,24 @@
           alert('Data URL conversion failed: ' + err);
           data = '';
         }
-        post({ href: href, data: data });
+
+        post({
+          href: href,
+          data: data
+        });
       };
+
       img.src = href;
     } else {
       // Do ajax request for image's href value
       $.get(href, function (data) {
-        post({ href: href, data: data });
+        post({
+          href: href,
+          data: data
+        });
       }, 'html'); // 'html' is necessary to keep returned data as a string
     }
+
     return false;
   });
 
diff --git a/dist/extensions/imagelib/openclipart.js b/dist/extensions/imagelib/openclipart.js
index b572fa0e..bede1ec8 100644
--- a/dist/extensions/imagelib/openclipart.js
+++ b/dist/extensions/imagelib/openclipart.js
@@ -1,64 +1,190 @@
 (function () {
   'use strict';
 
-  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
-    return typeof obj;
-  } : function (obj) {
-    return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
-  };
+  function _typeof(obj) {
+    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
+      _typeof = function (obj) {
+        return typeof obj;
+      };
+    } else {
+      _typeof = function (obj) {
+        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+      };
+    }
 
-  var asyncToGenerator = function (fn) {
+    return _typeof(obj);
+  }
+
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
+
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
     return function () {
-      var gen = fn.apply(this, arguments);
+      var self = this,
+          args = arguments;
       return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
+        var gen = fn.apply(self, args);
 
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
         }
 
-        return step("next");
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
       });
     };
+  }
+
+  function _extends() {
+    _extends = Object.assign || function (target) {
+      for (var i = 1; i < arguments.length; i++) {
+        var source = arguments[i];
+
+        for (var key in source) {
+          if (Object.prototype.hasOwnProperty.call(source, key)) {
+            target[key] = source[key];
+          }
+        }
+      }
+
+      return target;
+    };
+
+    return _extends.apply(this, arguments);
+  }
+
+  function _slicedToArray(arr, i) {
+    return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();
+  }
+
+  function _toConsumableArray(arr) {
+    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
+  }
+
+  function _arrayWithoutHoles(arr) {
+    if (Array.isArray(arr)) {
+      for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+
+      return arr2;
+    }
+  }
+
+  function _arrayWithHoles(arr) {
+    if (Array.isArray(arr)) return arr;
+  }
+
+  function _iterableToArray(iter) {
+    if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+  }
+
+  function _iterableToArrayLimit(arr, i) {
+    var _arr = [];
+    var _n = true;
+    var _d = false;
+    var _e = undefined;
+
+    try {
+      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+        _arr.push(_s.value);
+
+        if (i && _arr.length === i) break;
+      }
+    } catch (err) {
+      _d = true;
+      _e = err;
+    } finally {
+      try {
+        if (!_n && _i["return"] != null) _i["return"]();
+      } finally {
+        if (_d) throw _e;
+      }
+    }
+
+    return _arr;
+  }
+
+  function _nonIterableSpread() {
+    throw new TypeError("Invalid attempt to spread non-iterable instance");
+  }
+
+  function _nonIterableRest() {
+    throw new TypeError("Invalid attempt to destructure non-iterable instance");
+  }
+
+  var _typeof$1 = typeof Symbol === "function" && _typeof(Symbol.iterator) === "symbol" ? function (obj) {
+    return _typeof(obj);
+  } : function (obj) {
+    return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : _typeof(obj);
   };
 
-  var classCallCheck = function (instance, Constructor) {
+  var classCallCheck = function classCallCheck(instance, Constructor) {
     if (!(instance instanceof Constructor)) {
       throw new TypeError("Cannot call a class as a function");
     }
   };
 
-  var _extends = Object.assign || function (target) {
-    for (var i = 1; i < arguments.length; i++) {
-      var source = arguments[i];
-
-      for (var key in source) {
-        if (Object.prototype.hasOwnProperty.call(source, key)) {
-          target[key] = source[key];
-        }
+  var createClass = function () {
+    function defineProperties(target, props) {
+      for (var i = 0; i < props.length; i++) {
+        var descriptor = props[i];
+        descriptor.enumerable = descriptor.enumerable || false;
+        descriptor.configurable = true;
+        if ("value" in descriptor) descriptor.writable = true;
+        Object.defineProperty(target, descriptor.key, descriptor);
       }
     }
 
-    return target;
+    return function (Constructor, protoProps, staticProps) {
+      if (protoProps) defineProperties(Constructor.prototype, protoProps);
+      if (staticProps) defineProperties(Constructor, staticProps);
+      return Constructor;
+    };
+  }();
+
+  var get = function get(object, property, receiver) {
+    if (object === null) object = Function.prototype;
+    var desc = Object.getOwnPropertyDescriptor(object, property);
+
+    if (desc === undefined) {
+      var parent = Object.getPrototypeOf(object);
+
+      if (parent === null) {
+        return undefined;
+      } else {
+        return get(parent, property, receiver);
+      }
+    } else if ("value" in desc) {
+      return desc.value;
+    } else {
+      var getter = desc.get;
+
+      if (getter === undefined) {
+        return undefined;
+      }
+
+      return getter.call(receiver);
+    }
   };
 
-  var inherits = function (subClass, superClass) {
+  var inherits = function inherits(subClass, superClass) {
     if (typeof superClass !== "function" && superClass !== null) {
-      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
+      throw new TypeError("Super expression must either be null or a function, not " + _typeof(superClass));
     }
 
     subClass.prototype = Object.create(superClass && superClass.prototype, {
@@ -72,12 +198,12 @@
     if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
   };
 
-  var possibleConstructorReturn = function (self, call) {
+  var possibleConstructorReturn = function possibleConstructorReturn(self, call) {
     if (!self) {
       throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
     }
 
-    return call && (typeof call === "object" || typeof call === "function") ? call : self;
+    return call && (_typeof(call) === "object" || typeof call === "function") ? call : self;
   };
 
   var slicedToArray = function () {
@@ -118,143 +244,17 @@
     };
   }();
 
-  var toConsumableArray = function (arr) {
+  var toConsumableArray = function toConsumableArray(arr) {
     if (Array.isArray(arr)) {
-      for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+      for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) {
+        arr2[i] = arr[i];
+      }
 
       return arr2;
     } else {
       return Array.from(arr);
     }
   };
-
-  var _typeof$1 = typeof Symbol === "function" && _typeof(Symbol.iterator) === "symbol" ? function (obj) {
-      return typeof obj === "undefined" ? "undefined" : _typeof(obj);
-  } : function (obj) {
-      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj === "undefined" ? "undefined" : _typeof(obj);
-  };
-
-  var classCallCheck$1 = function classCallCheck$$1(instance, Constructor) {
-      if (!(instance instanceof Constructor)) {
-          throw new TypeError("Cannot call a class as a function");
-      }
-  };
-
-  var createClass$1 = function () {
-      function defineProperties(target, props) {
-          for (var i = 0; i < props.length; i++) {
-              var descriptor = props[i];
-              descriptor.enumerable = descriptor.enumerable || false;
-              descriptor.configurable = true;
-              if ("value" in descriptor) descriptor.writable = true;
-              Object.defineProperty(target, descriptor.key, descriptor);
-          }
-      }
-
-      return function (Constructor, protoProps, staticProps) {
-          if (protoProps) defineProperties(Constructor.prototype, protoProps);
-          if (staticProps) defineProperties(Constructor, staticProps);
-          return Constructor;
-      };
-  }();
-
-  var get$1 = function get$$1(object, property, receiver) {
-      if (object === null) object = Function.prototype;
-      var desc = Object.getOwnPropertyDescriptor(object, property);
-
-      if (desc === undefined) {
-          var parent = Object.getPrototypeOf(object);
-
-          if (parent === null) {
-              return undefined;
-          } else {
-              return get$$1(parent, property, receiver);
-          }
-      } else if ("value" in desc) {
-          return desc.value;
-      } else {
-          var getter = desc.get;
-
-          if (getter === undefined) {
-              return undefined;
-          }
-
-          return getter.call(receiver);
-      }
-  };
-
-  var inherits$1 = function inherits$$1(subClass, superClass) {
-      if (typeof superClass !== "function" && superClass !== null) {
-          throw new TypeError("Super expression must either be null or a function, not " + (typeof superClass === "undefined" ? "undefined" : _typeof(superClass)));
-      }
-
-      subClass.prototype = Object.create(superClass && superClass.prototype, {
-          constructor: {
-              value: subClass,
-              enumerable: false,
-              writable: true,
-              configurable: true
-          }
-      });
-      if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
-  };
-
-  var possibleConstructorReturn$1 = function possibleConstructorReturn$$1(self, call) {
-      if (!self) {
-          throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
-      }
-
-      return call && ((typeof call === "undefined" ? "undefined" : _typeof(call)) === "object" || typeof call === "function") ? call : self;
-  };
-
-  var slicedToArray$1 = function () {
-      function sliceIterator(arr, i) {
-          var _arr = [];
-          var _n = true;
-          var _d = false;
-          var _e = undefined;
-
-          try {
-              for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
-                  _arr.push(_s.value);
-
-                  if (i && _arr.length === i) break;
-              }
-          } catch (err) {
-              _d = true;
-              _e = err;
-          } finally {
-              try {
-                  if (!_n && _i["return"]) _i["return"]();
-              } finally {
-                  if (_d) throw _e;
-              }
-          }
-
-          return _arr;
-      }
-
-      return function (arr, i) {
-          if (Array.isArray(arr)) {
-              return arr;
-          } else if (Symbol.iterator in Object(arr)) {
-              return sliceIterator(arr, i);
-          } else {
-              throw new TypeError("Invalid attempt to destructure non-iterable instance");
-          }
-      };
-  }();
-
-  var toConsumableArray$1 = function toConsumableArray$$1(arr) {
-      if (Array.isArray(arr)) {
-          for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) {
-              arr2[i] = arr[i];
-          }return arr2;
-      } else {
-          return Array.from(arr);
-      }
-  };
-
   /*
   Possible todos:
   0. Add XSLT to JML-string stylesheet (or even vice versa)
@@ -285,25 +285,21 @@
   0. Redo browser testing of jml (including ensuring IE7 can work even if test framework can't work)
   */
 
+
   var win = typeof window !== 'undefined' && window;
   var doc = typeof document !== 'undefined' && document;
-  var XmlSerializer = typeof XMLSerializer !== 'undefined' && XMLSerializer;
-
-  // STATIC PROPERTIES
+  var XmlSerializer = typeof XMLSerializer !== 'undefined' && XMLSerializer; // STATIC PROPERTIES
 
   var possibleOptions = ['$plugins', '$map' // Add any other options here
   ];
-
   var NS_HTML = 'http://www.w3.org/1999/xhtml',
       hyphenForCamelCase = /-([a-z])/g;
-
   var ATTR_MAP = {
-      'readonly': 'readOnly'
-  };
-
-  // We define separately from ATTR_DOM for clarity (and parity with JsonML) but no current need
+    'readonly': 'readOnly'
+  }; // We define separately from ATTR_DOM for clarity (and parity with JsonML) but no current need
   // We don't set attribute esp. for boolean atts as we want to allow setting of `undefined`
   //   (e.g., from an empty variable) on templates to have no effect
+
   var BOOL_ATTS = ['checked', 'defaultChecked', 'defaultSelected', 'disabled', 'indeterminate', 'open', // Dialog elements
   'readOnly', 'selected'];
   var ATTR_DOM = BOOL_ATTS.concat([// From JsonML
@@ -316,45 +312,47 @@
   'inputMode', // HTMLElement through ElementContentEditable
   'ismap', 'multiple', 'novalidate', 'pattern', 'required', 'spellcheck', // HTMLElement
   'translate', // HTMLElement
-  'value', 'willvalidate']);
-  // Todo: Add more to this as useful for templating
+  'value', 'willvalidate']); // Todo: Add more to this as useful for templating
   //   to avoid setting through nullish value
+
   var NULLABLES = ['dir', // HTMLElement
   'lang', // HTMLElement
   'max', 'min', 'title' // HTMLElement
   ];
 
   var $ = function $(sel) {
-      return doc.querySelector(sel);
+    return doc.querySelector(sel);
   };
-
   /**
   * Retrieve the (lower-cased) HTML name of a node
   * @static
   * @param {Node} node The HTML node
   * @returns {String} The lower-cased node name
   */
-  function _getHTMLNodeName(node) {
-      return node.nodeName && node.nodeName.toLowerCase();
-  }
 
+
+  function _getHTMLNodeName(node) {
+    return node.nodeName && node.nodeName.toLowerCase();
+  }
   /**
   * Apply styles if this is a style tag
   * @static
   * @param {Node} node The element to check whether it is a style tag
   */
-  function _applyAnyStylesheet(node) {
-      if (!doc.createStyleSheet) {
-          return;
-      }
-      if (_getHTMLNodeName(node) === 'style') {
-          // IE
-          var ss = doc.createStyleSheet(); // Create a stylesheet to actually do something useful
-          ss.cssText = node.cssText;
-          // We continue to add the style tag, however
-      }
-  }
 
+
+  function _applyAnyStylesheet(node) {
+    if (!doc.createStyleSheet) {
+      return;
+    }
+
+    if (_getHTMLNodeName(node) === 'style') {
+      // IE
+      var ss = doc.createStyleSheet(); // Create a stylesheet to actually do something useful
+
+      ss.cssText = node.cssText; // We continue to add the style tag, however
+    }
+  }
   /**
    * Need this function for IE since options weren't otherwise getting added
    * @private
@@ -362,41 +360,49 @@
    * @param {DOMElement} parent The parent to which to append the element
    * @param {DOMNode} child The element or other node to append to the parent
    */
+
+
   function _appendNode(parent, child) {
-      var parentName = _getHTMLNodeName(parent);
-      var childName = _getHTMLNodeName(child);
+    var parentName = _getHTMLNodeName(parent);
 
-      if (doc.createStyleSheet) {
-          if (parentName === 'script') {
-              parent.text = child.nodeValue;
-              return;
-          }
-          if (parentName === 'style') {
-              parent.cssText = child.nodeValue; // This will not apply it--just make it available within the DOM cotents
-              return;
-          }
+    var childName = _getHTMLNodeName(child);
+
+    if (doc.createStyleSheet) {
+      if (parentName === 'script') {
+        parent.text = child.nodeValue;
+        return;
       }
-      if (parentName === 'template') {
-          parent.content.appendChild(child);
-          return;
+
+      if (parentName === 'style') {
+        parent.cssText = child.nodeValue; // This will not apply it--just make it available within the DOM cotents
+
+        return;
       }
-      try {
-          parent.appendChild(child); // IE9 is now ok with this
-      } catch (e) {
-          if (parentName === 'select' && childName === 'option') {
-              try {
-                  // Since this is now DOM Level 4 standard behavior (and what IE7+ can handle), we try it first
-                  parent.add(child);
-              } catch (err) {
-                  // DOM Level 2 did require a second argument, so we try it too just in case the user is using an older version of Firefox, etc.
-                  parent.add(child, null); // IE7 has a problem with this, but IE8+ is ok
-              }
-              return;
-          }
-          throw e;
+    }
+
+    if (parentName === 'template') {
+      parent.content.appendChild(child);
+      return;
+    }
+
+    try {
+      parent.appendChild(child); // IE9 is now ok with this
+    } catch (e) {
+      if (parentName === 'select' && childName === 'option') {
+        try {
+          // Since this is now DOM Level 4 standard behavior (and what IE7+ can handle), we try it first
+          parent.add(child);
+        } catch (err) {
+          // DOM Level 2 did require a second argument, so we try it too just in case the user is using an older version of Firefox, etc.
+          parent.add(child, null); // IE7 has a problem with this, but IE8+ is ok
+        }
+
+        return;
       }
+
+      throw e;
+    }
   }
-
   /**
    * Attach event in a cross-browser fashion
    * @static
@@ -406,10 +412,11 @@
    * @param {Boolean} [capturing] Whether or not the event should be
    *                                                              capturing (W3C-browsers only); default is false; NOT IN USE
    */
-  function _addEvent(el, type, handler, capturing) {
-      el.addEventListener(type, handler, !!capturing);
-  }
 
+
+  function _addEvent(el, type, handler, capturing) {
+    el.addEventListener(type, handler, !!capturing);
+  }
   /**
   * Creates a text node of the result of resolving an entity or character reference
   * @param {'entity'|'decimal'|'hexadecimal'} type Type of reference
@@ -417,144 +424,164 @@
   * @param {String} arg The body of the reference
   * @returns {Text} The text node of the resolved reference
   */
-  function _createSafeReference(type, prefix, arg) {
-      // For security reasons related to innerHTML, we ensure this string only contains potential entity characters
-      if (!arg.match(/^\w+$/)) {
-          throw new TypeError('Bad ' + type);
-      }
-      var elContainer = doc.createElement('div');
-      // Todo: No workaround for XML?
-      elContainer.innerHTML = '&' + prefix + arg + ';';
-      return doc.createTextNode(elContainer.innerHTML);
-  }
 
+
+  function _createSafeReference(type, prefix, arg) {
+    // For security reasons related to innerHTML, we ensure this string only contains potential entity characters
+    if (!arg.match(/^\w+$/)) {
+      throw new TypeError('Bad ' + type);
+    }
+
+    var elContainer = doc.createElement('div'); // Todo: No workaround for XML?
+
+    elContainer.innerHTML = '&' + prefix + arg + ';';
+    return doc.createTextNode(elContainer.innerHTML);
+  }
   /**
   * @param {String} n0 Whole expression match (including "-")
   * @param {String} n1 Lower-case letter match
   * @returns {String} Uppercased letter
   */
+
+
   function _upperCase(n0, n1) {
-      return n1.toUpperCase();
+    return n1.toUpperCase();
   }
-
   /**
   * @private
   * @static
   */
+
+
   function _getType(item) {
-      if (typeof item === 'string') {
-          return 'string';
-      }
-      if ((typeof item === 'undefined' ? 'undefined' : _typeof$1(item)) === 'object') {
-          if (item === null) {
-              return 'null';
-          }
-          if (Array.isArray(item)) {
-              return 'array';
-          }
-          if ('nodeType' in item) {
-              if (item.nodeType === 1) {
-                  return 'element';
-              }
-              if (item.nodeType === 11) {
-                  return 'fragment';
-              }
-          }
-          return 'object';
-      }
-      return undefined;
-  }
+    if (typeof item === 'string') {
+      return 'string';
+    }
 
+    if ((typeof item === 'undefined' ? 'undefined' : _typeof$1(item)) === 'object') {
+      if (item === null) {
+        return 'null';
+      }
+
+      if (Array.isArray(item)) {
+        return 'array';
+      }
+
+      if ('nodeType' in item) {
+        if (item.nodeType === 1) {
+          return 'element';
+        }
+
+        if (item.nodeType === 11) {
+          return 'fragment';
+        }
+      }
+
+      return 'object';
+    }
+
+    return undefined;
+  }
   /**
   * @private
   * @static
   */
+
+
   function _fragReducer(frag, node) {
-      frag.appendChild(node);
-      return frag;
+    frag.appendChild(node);
+    return frag;
   }
-
   /**
   * @private
   * @static
   */
+
+
   function _replaceDefiner(xmlnsObj) {
-      return function (n0) {
-          var retStr = xmlnsObj[''] ? ' xmlns="' + xmlnsObj[''] + '"' : n0 || ''; // Preserve XHTML
-          for (var ns in xmlnsObj) {
-              if (xmlnsObj.hasOwnProperty(ns)) {
-                  if (ns !== '') {
-                      retStr += ' xmlns:' + ns + '="' + xmlnsObj[ns] + '"';
-                  }
-              }
+    return function (n0) {
+      var retStr = xmlnsObj[''] ? ' xmlns="' + xmlnsObj[''] + '"' : n0 || ''; // Preserve XHTML
+
+      for (var ns in xmlnsObj) {
+        if (xmlnsObj.hasOwnProperty(ns)) {
+          if (ns !== '') {
+            retStr += ' xmlns:' + ns + '="' + xmlnsObj[ns] + '"';
           }
-          return retStr;
-      };
+        }
+      }
+
+      return retStr;
+    };
   }
 
   function _optsOrUndefinedJML() {
-      for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
-          args[_key] = arguments[_key];
-      }
+    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
 
-      return jml.apply(undefined, toConsumableArray$1(args[0] === undefined ? args.slice(1) : args));
+    return jml.apply(undefined, toConsumableArray(args[0] === undefined ? args.slice(1) : args));
   }
-
   /**
   * @private
   * @static
   */
+
+
   function _jmlSingleArg(arg) {
-      return jml(arg);
+    return jml(arg);
   }
-
   /**
   * @private
   * @static
   */
+
+
   function _copyOrderedAtts(attArr) {
-      var obj = {};
-      // Todo: Fix if allow prefixed attributes
-      obj[attArr[0]] = attArr[1]; // array of ordered attribute-value arrays
-      return obj;
-  }
+    var obj = {}; // Todo: Fix if allow prefixed attributes
 
+    obj[attArr[0]] = attArr[1]; // array of ordered attribute-value arrays
+
+    return obj;
+  }
   /**
   * @private
   * @static
   */
+
+
   function _childrenToJML(node) {
-      return function (childNodeJML, i) {
-          var cn = node.childNodes[i];
-          var j = Array.isArray(childNodeJML) ? jml.apply(undefined, toConsumableArray$1(childNodeJML)) : jml(childNodeJML);
-          cn.parentNode.replaceChild(j, cn);
-      };
+    return function (childNodeJML, i) {
+      var cn = node.childNodes[i];
+      var j = Array.isArray(childNodeJML) ? jml.apply(undefined, toConsumableArray(childNodeJML)) : jml(childNodeJML);
+      cn.parentNode.replaceChild(j, cn);
+    };
   }
-
   /**
   * @private
   * @static
   */
+
+
   function _appendJML(node) {
-      return function (childJML) {
-          node.appendChild(jml.apply(undefined, toConsumableArray$1(childJML)));
-      };
+    return function (childJML) {
+      node.appendChild(jml.apply(undefined, toConsumableArray(childJML)));
+    };
   }
-
   /**
   * @private
   * @static
   */
-  function _appendJMLOrText(node) {
-      return function (childJML) {
-          if (typeof childJML === 'string') {
-              node.appendChild(doc.createTextNode(childJML));
-          } else {
-              node.appendChild(jml.apply(undefined, toConsumableArray$1(childJML)));
-          }
-      };
-  }
 
+
+  function _appendJMLOrText(node) {
+    return function (childJML) {
+      if (typeof childJML === 'string') {
+        node.appendChild(doc.createTextNode(childJML));
+      } else {
+        node.appendChild(jml.apply(undefined, toConsumableArray(childJML)));
+      }
+    };
+  }
   /**
   * @private
   * @static
@@ -584,671 +611,839 @@
    * @param {null} [returning] Can use null to indicate an array of elements should be returned
    * @returns {DOMElement} The newly created (and possibly already appended) element or array of elements
    */
+
+
   var jml = function jml() {
-      for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
-          args[_key2] = arguments[_key2];
-      }
+    for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+      args[_key2] = arguments[_key2];
+    }
 
-      var elem = doc.createDocumentFragment();
-      function _checkAtts(atts) {
-          var att = void 0;
-          for (att in atts) {
-              if (!atts.hasOwnProperty(att)) {
-                  continue;
-              }
-              var attVal = atts[att];
-              att = att in ATTR_MAP ? ATTR_MAP[att] : att;
-              if (NULLABLES.includes(att)) {
-                  if (attVal != null) {
-                      elem[att] = attVal;
-                  }
-                  continue;
-              } else if (ATTR_DOM.includes(att)) {
-                  elem[att] = attVal;
-                  continue;
-              }
-              switch (att) {
-                  /*
-                  Todos:
-                  0. JSON mode to prevent event addition
-                   0. {$xmlDocument: []} // doc.implementation.createDocument
-                   0. Accept array for any attribute with first item as prefix and second as value?
-                  0. {$: ['xhtml', 'div']} for prefixed elements
-                      case '$': // Element with prefix?
-                          nodes[nodes.length] = elem = doc.createElementNS(attVal[0], attVal[1]);
-                          break;
-                  */
-                  case '#':
-                      {
-                          // Document fragment
-                          nodes[nodes.length] = _optsOrUndefinedJML(opts, attVal);
-                          break;
-                      }case '$shadow':
-                      {
-                          var open = attVal.open,
-                              closed = attVal.closed;
-                          var content = attVal.content,
-                              template = attVal.template;
+    var elem = doc.createDocumentFragment();
 
-                          var shadowRoot = elem.attachShadow({
-                              mode: closed || open === false ? 'closed' : 'open'
-                          });
-                          if (template) {
-                              if (Array.isArray(template)) {
-                                  if (_getType(template[0]) === 'object') {
-                                      // Has attributes
-                                      template = jml.apply(undefined, ['template'].concat(toConsumableArray$1(template), [doc.body]));
-                                  } else {
-                                      // Array is for the children
-                                      template = jml('template', template, doc.body);
-                                  }
-                              } else if (typeof template === 'string') {
-                                  template = $(template);
-                              }
-                              jml(template.content.cloneNode(true), shadowRoot);
-                          } else {
-                              if (!content) {
-                                  content = open || closed;
-                              }
-                              if (content && typeof content !== 'boolean') {
-                                  if (Array.isArray(content)) {
-                                      jml({ '#': content }, shadowRoot);
-                                  } else {
-                                      jml(content, shadowRoot);
-                                  }
-                              }
-                          }
-                          break;
-                      }case 'is':
-                      {
-                          // Not yet supported in browsers
-                          // Handled during element creation
-                          break;
-                      }case '$custom':
-                      {
-                          Object.assign(elem, attVal);
-                          break;
-                      }case '$define':
-                      {
-                          var _ret = function () {
-                              var localName = elem.localName.toLowerCase();
-                              // Note: customized built-ins sadly not working yet
-                              var customizedBuiltIn = !localName.includes('-');
+    function _checkAtts(atts) {
+      var att = void 0;
 
-                              var def = customizedBuiltIn ? elem.getAttribute('is') : localName;
-                              if (customElements.get(def)) {
-                                  return 'break';
-                              }
-                              var getConstructor = function getConstructor(cb) {
-                                  var baseClass = options && options.extends ? doc.createElement(options.extends).constructor : customizedBuiltIn ? doc.createElement(localName).constructor : HTMLElement;
-                                  return cb ? function (_baseClass) {
-                                      inherits$1(_class, _baseClass);
+      for (att in atts) {
+        if (!atts.hasOwnProperty(att)) {
+          continue;
+        }
 
-                                      function _class() {
-                                          classCallCheck$1(this, _class);
+        var attVal = atts[att];
+        att = att in ATTR_MAP ? ATTR_MAP[att] : att;
 
-                                          var _this = possibleConstructorReturn$1(this, (_class.__proto__ || Object.getPrototypeOf(_class)).call(this));
-
-                                          cb.call(_this);
-                                          return _this;
-                                      }
-
-                                      return _class;
-                                  }(baseClass) : function (_baseClass2) {
-                                      inherits$1(_class2, _baseClass2);
-
-                                      function _class2() {
-                                          classCallCheck$1(this, _class2);
-                                          return possibleConstructorReturn$1(this, (_class2.__proto__ || Object.getPrototypeOf(_class2)).apply(this, arguments));
-                                      }
-
-                                      return _class2;
-                                  }(baseClass);
-                              };
-
-                              var constructor = void 0,
-                                  options = void 0,
-                                  prototype = void 0;
-                              if (Array.isArray(attVal)) {
-                                  if (attVal.length <= 2) {
-                                      var _attVal = slicedToArray$1(attVal, 2);
-
-                                      constructor = _attVal[0];
-                                      options = _attVal[1];
-
-                                      if (typeof options === 'string') {
-                                          options = { extends: options };
-                                      } else if (!options.hasOwnProperty('extends')) {
-                                          prototype = options;
-                                      }
-                                      if ((typeof constructor === 'undefined' ? 'undefined' : _typeof$1(constructor)) === 'object') {
-                                          prototype = constructor;
-                                          constructor = getConstructor();
-                                      }
-                                  } else {
-                                      var _attVal2 = slicedToArray$1(attVal, 3);
-
-                                      constructor = _attVal2[0];
-                                      prototype = _attVal2[1];
-                                      options = _attVal2[2];
-
-                                      if (typeof options === 'string') {
-                                          options = { extends: options };
-                                      }
-                                  }
-                              } else if (typeof attVal === 'function') {
-                                  constructor = attVal;
-                              } else {
-                                  prototype = attVal;
-                                  constructor = getConstructor();
-                              }
-                              if (!constructor.toString().startsWith('class')) {
-                                  constructor = getConstructor(constructor);
-                              }
-                              if (!options && customizedBuiltIn) {
-                                  options = { extends: localName };
-                              }
-                              if (prototype) {
-                                  Object.assign(constructor.prototype, prototype);
-                              }
-                              customElements.define(def, constructor, customizedBuiltIn ? options : undefined);
-                              return 'break';
-                          }();
-
-                          if (_ret === 'break') break;
-                      }case '$symbol':
-                      {
-                          var _attVal3 = slicedToArray$1(attVal, 2),
-                              symbol = _attVal3[0],
-                              func = _attVal3[1];
-
-                          if (typeof func === 'function') {
-                              var funcBound = func.bind(elem);
-                              if (typeof symbol === 'string') {
-                                  elem[Symbol.for(symbol)] = funcBound;
-                              } else {
-                                  elem[symbol] = funcBound;
-                              }
-                          } else {
-                              var obj = func;
-                              obj.elem = elem;
-                              if (typeof symbol === 'string') {
-                                  elem[Symbol.for(symbol)] = obj;
-                              } else {
-                                  elem[symbol] = obj;
-                              }
-                          }
-                          break;
-                      }case '$data':
-                      {
-                          setMap(attVal);
-                          break;
-                      }case '$attribute':
-                      {
-                          // Attribute node
-                          var node = attVal.length === 3 ? doc.createAttributeNS(attVal[0], attVal[1]) : doc.createAttribute(attVal[0]);
-                          node.value = attVal[attVal.length - 1];
-                          nodes[nodes.length] = node;
-                          break;
-                      }case '$text':
-                      {
-                          // Todo: Also allow as jml(['a text node']) (or should that become a fragment)?
-                          var _node = doc.createTextNode(attVal);
-                          nodes[nodes.length] = _node;
-                          break;
-                      }case '$document':
-                      {
-                          // Todo: Conditionally create XML document
-                          var _node2 = doc.implementation.createHTMLDocument();
-                          if (attVal.childNodes) {
-                              attVal.childNodes.forEach(_childrenToJML(_node2));
-                              // Remove any extra nodes created by createHTMLDocument().
-                              var j = attVal.childNodes.length;
-                              while (_node2.childNodes[j]) {
-                                  var cn = _node2.childNodes[j];
-                                  cn.parentNode.removeChild(cn);
-                                  j++;
-                              }
-                          } else {
-                              if (attVal.$DOCTYPE) {
-                                  var dt = { $DOCTYPE: attVal.$DOCTYPE };
-                                  var doctype = jml(dt);
-                                  _node2.firstChild.replaceWith(doctype);
-                              }
-                              var html = _node2.childNodes[1];
-                              var head = html.childNodes[0];
-                              var _body = html.childNodes[1];
-                              if (attVal.title || attVal.head) {
-                                  var meta = doc.createElement('meta');
-                                  meta.setAttribute('charset', 'utf-8');
-                                  head.appendChild(meta);
-                              }
-                              if (attVal.title) {
-                                  _node2.title = attVal.title; // Appends after meta
-                              }
-                              if (attVal.head) {
-                                  attVal.head.forEach(_appendJML(head));
-                              }
-                              if (attVal.body) {
-                                  attVal.body.forEach(_appendJMLOrText(_body));
-                              }
-                          }
-                          nodes[nodes.length] = _node2;
-                          break;
-                      }case '$DOCTYPE':
-                      {
-                          /*
-                          // Todo:
-                          if (attVal.internalSubset) {
-                              node = {};
-                          }
-                          else
-                          */
-                          var _node3 = void 0;
-                          if (attVal.entities || attVal.notations) {
-                              _node3 = {
-                                  name: attVal.name,
-                                  nodeName: attVal.name,
-                                  nodeValue: null,
-                                  nodeType: 10,
-                                  entities: attVal.entities.map(_jmlSingleArg),
-                                  notations: attVal.notations.map(_jmlSingleArg),
-                                  publicId: attVal.publicId,
-                                  systemId: attVal.systemId
-                                  // internalSubset: // Todo
-                              };
-                          } else {
-                              _node3 = doc.implementation.createDocumentType(attVal.name, attVal.publicId || '', attVal.systemId || '');
-                          }
-                          nodes[nodes.length] = _node3;
-                          break;
-                      }case '$ENTITY':
-                      {
-                          /*
-                          // Todo: Should we auto-copy another node's properties/methods (like DocumentType) excluding or changing its non-entity node values?
-                          const node = {
-                              nodeName: attVal.name,
-                              nodeValue: null,
-                              publicId: attVal.publicId,
-                              systemId: attVal.systemId,
-                              notationName: attVal.notationName,
-                              nodeType: 6,
-                              childNodes: attVal.childNodes.map(_DOMfromJMLOrString)
-                          };
-                          */
-                          break;
-                      }case '$NOTATION':
-                      {
-                          // Todo: We could add further properties/methods, but unlikely to be used as is.
-                          var _node4 = { nodeName: attVal[0], publicID: attVal[1], systemID: attVal[2], nodeValue: null, nodeType: 12 };
-                          nodes[nodes.length] = _node4;
-                          break;
-                      }case '$on':
-                      {
-                          // Events
-                          for (var p2 in attVal) {
-                              if (attVal.hasOwnProperty(p2)) {
-                                  var val = attVal[p2];
-                                  if (typeof val === 'function') {
-                                      val = [val, false];
-                                  }
-                                  if (typeof val[0] === 'function') {
-                                      _addEvent(elem, p2, val[0], val[1]); // element, event name, handler, capturing
-                                  }
-                              }
-                          }
-                          break;
-                      }case 'className':case 'class':
-                      if (attVal != null) {
-                          elem.className = attVal;
-                      }
-                      break;
-                  case 'dataset':
-                      {
-                          var _ret2 = function () {
-                              // Map can be keyed with hyphenated or camel-cased properties
-                              var recurse = function recurse(attVal, startProp) {
-                                  var prop = '';
-                                  var pastInitialProp = startProp !== '';
-                                  Object.keys(attVal).forEach(function (key) {
-                                      var value = attVal[key];
-                                      if (pastInitialProp) {
-                                          prop = startProp + key.replace(hyphenForCamelCase, _upperCase).replace(/^([a-z])/, _upperCase);
-                                      } else {
-                                          prop = startProp + key.replace(hyphenForCamelCase, _upperCase);
-                                      }
-                                      if (value === null || (typeof value === 'undefined' ? 'undefined' : _typeof$1(value)) !== 'object') {
-                                          if (value != null) {
-                                              elem.dataset[prop] = value;
-                                          }
-                                          prop = startProp;
-                                          return;
-                                      }
-                                      recurse(value, prop);
-                                  });
-                              };
-                              recurse(attVal, '');
-                              return 'break';
-                              // Todo: Disable this by default unless configuration explicitly allows (for security)
-                          }();
-
-                          break;
-                      }
-                  // #if IS_REMOVE
-                  // Don't remove this `if` block (for sake of no-innerHTML build)
-                  case 'innerHTML':
-                      if (attVal != null) {
-                          elem.innerHTML = attVal;
-                      }
-                      break;
-                  // #endif
-                  case 'htmlFor':case 'for':
-                      if (elStr === 'label') {
-                          if (attVal != null) {
-                              elem.htmlFor = attVal;
-                          }
-                          break;
-                      }
-                      elem.setAttribute(att, attVal);
-                      break;
-                  case 'xmlns':
-                      // Already handled
-                      break;
-                  default:
-                      if (att.match(/^on/)) {
-                          elem[att] = attVal;
-                          // _addEvent(elem, att.slice(2), attVal, false); // This worked, but perhaps the user wishes only one event
-                          break;
-                      }
-                      if (att === 'style') {
-                          if (attVal == null) {
-                              break;
-                          }
-                          if ((typeof attVal === 'undefined' ? 'undefined' : _typeof$1(attVal)) === 'object') {
-                              for (var _p in attVal) {
-                                  if (attVal.hasOwnProperty(_p) && attVal[_p] != null) {
-                                      // Todo: Handle aggregate properties like "border"
-                                      if (_p === 'float') {
-                                          elem.style.cssFloat = attVal[_p];
-                                          elem.style.styleFloat = attVal[_p]; // Harmless though we could make conditional on older IE instead
-                                      } else {
-                                          elem.style[_p.replace(hyphenForCamelCase, _upperCase)] = attVal[_p];
-                                      }
-                                  }
-                              }
-                              break;
-                          }
-                          // setAttribute unfortunately erases any existing styles
-                          elem.setAttribute(att, attVal);
-                          /*
-                          // The following reorders which is troublesome for serialization, e.g., as used in our testing
-                          if (elem.style.cssText !== undefined) {
-                              elem.style.cssText += attVal;
-                          } else { // Opera
-                              elem.style += attVal;
-                          }
-                          */
-                          break;
-                      }
-                      var matchingPlugin = opts && opts.$plugins && opts.$plugins.find(function (p) {
-                          return p.name === att;
-                      });
-                      if (matchingPlugin) {
-                          matchingPlugin.set({ element: elem, attribute: { name: att, value: attVal } });
-                          break;
-                      }
-                      elem.setAttribute(att, attVal);
-                      break;
-              }
+        if (NULLABLES.includes(att)) {
+          if (attVal != null) {
+            elem[att] = attVal;
           }
-      }
-      var nodes = [];
-      var elStr = void 0;
-      var opts = void 0;
-      var isRoot = false;
-      if (_getType(args[0]) === 'object' && Object.keys(args[0]).some(function (key) {
-          return possibleOptions.includes(key);
-      })) {
-          opts = args[0];
-          if (opts.state !== 'child') {
-              isRoot = true;
-              opts.state = 'child';
-          }
-          if (opts.$map && !opts.$map.root && opts.$map.root !== false) {
-              opts.$map = { root: opts.$map };
-          }
-          if ('$plugins' in opts) {
-              if (!Array.isArray(opts.$plugins)) {
-                  throw new Error('$plugins must be an array');
-              }
-              opts.$plugins.forEach(function (pluginObj) {
-                  if (!pluginObj) {
-                      throw new TypeError('Plugin must be an object');
-                  }
-                  if (!pluginObj.name || !pluginObj.name.startsWith('$_')) {
-                      throw new TypeError('Plugin object name must be present and begin with `$_`');
-                  }
-                  if (typeof pluginObj.set !== 'function') {
-                      throw new TypeError('Plugin object must have a `set` method');
-                  }
+
+          continue;
+        } else if (ATTR_DOM.includes(att)) {
+          elem[att] = attVal;
+          continue;
+        }
+
+        switch (att) {
+          /*
+          Todos:
+          0. JSON mode to prevent event addition
+           0. {$xmlDocument: []} // doc.implementation.createDocument
+           0. Accept array for any attribute with first item as prefix and second as value?
+          0. {$: ['xhtml', 'div']} for prefixed elements
+              case '$': // Element with prefix?
+                  nodes[nodes.length] = elem = doc.createElementNS(attVal[0], attVal[1]);
+                  break;
+          */
+          case '#':
+            {
+              // Document fragment
+              nodes[nodes.length] = _optsOrUndefinedJML(opts, attVal);
+              break;
+            }
+
+          case '$shadow':
+            {
+              var open = attVal.open,
+                  closed = attVal.closed;
+              var content = attVal.content,
+                  template = attVal.template;
+              var shadowRoot = elem.attachShadow({
+                mode: closed || open === false ? 'closed' : 'open'
               });
-          }
-          args = args.slice(1);
-      }
-      var argc = args.length;
-      var defaultMap = opts && opts.$map && opts.$map.root;
-      var setMap = function setMap(dataVal) {
-          var map = void 0,
-              obj = void 0;
-          // Boolean indicating use of default map and object
-          if (dataVal === true) {
-              var _defaultMap = slicedToArray$1(defaultMap, 2);
 
-              map = _defaultMap[0];
-              obj = _defaultMap[1];
-          } else if (Array.isArray(dataVal)) {
-              // Array of strings mapping to default
-              if (typeof dataVal[0] === 'string') {
-                  dataVal.forEach(function (dVal) {
-                      setMap(opts.$map[dVal]);
-                  });
-                  // Array of Map and non-map data object
-              } else {
-                  map = dataVal[0] || defaultMap[0];
-                  obj = dataVal[1] || defaultMap[1];
-              }
-              // Map
-          } else if (/^\[object (?:Weak)?Map\]$/.test([].toString.call(dataVal))) {
-              map = dataVal;
-              obj = defaultMap[1];
-              // Non-map data object
-          } else {
-              map = defaultMap[0];
-              obj = dataVal;
-          }
-          map.set(elem, obj);
-      };
-      for (var i = 0; i < argc; i++) {
-          var arg = args[i];
-          switch (_getType(arg)) {
-              case 'null':
-                  // null always indicates a place-holder (only needed for last argument if want array returned)
-                  if (i === argc - 1) {
-                      _applyAnyStylesheet(nodes[0]); // We have to execute any stylesheets even if not appending or otherwise IE will never apply them
-                      // Todo: Fix to allow application of stylesheets of style tags within fragments?
-                      return nodes.length <= 1 ? nodes[0] : nodes.reduce(_fragReducer, doc.createDocumentFragment()); // nodes;
-                  }
-                  break;
-              case 'string':
-                  // Strings indicate elements
-                  switch (arg) {
-                      case '!':
-                          nodes[nodes.length] = doc.createComment(args[++i]);
-                          break;
-                      case '?':
-                          arg = args[++i];
-                          var procValue = args[++i];
-                          var val = procValue;
-                          if ((typeof val === 'undefined' ? 'undefined' : _typeof$1(val)) === 'object') {
-                              procValue = [];
-                              for (var p in val) {
-                                  if (val.hasOwnProperty(p)) {
-                                      procValue.push(p + '=' + '"' + val[p].replace(/"/g, '\\"') + '"');
-                                  }
-                              }
-                              procValue = procValue.join(' ');
-                          }
-                          // Firefox allows instructions with ">" in this method, but not if placed directly!
-                          try {
-                              nodes[nodes.length] = doc.createProcessingInstruction(arg, procValue);
-                          } catch (e) {
-                              // Getting NotSupportedError in IE, so we try to imitate a processing instruction with a comment
-                              // innerHTML didn't work
-                              // var elContainer = doc.createElement('div');
-                              // elContainer.innerHTML = '<?' + doc.createTextNode(arg + ' ' + procValue).nodeValue + '?>';
-                              // nodes[nodes.length] = elContainer.innerHTML;
-                              // Todo: any other way to resolve? Just use XML?
-                              nodes[nodes.length] = doc.createComment('?' + arg + ' ' + procValue + '?');
-                          }
-                          break;
-                      // Browsers don't support doc.createEntityReference, so we just use this as a convenience
-                      case '&':
-                          nodes[nodes.length] = _createSafeReference('entity', '', args[++i]);
-                          break;
-                      case '#':
-                          // // Decimal character reference - ['#', '01234'] // &#01234; // probably easier to use JavaScript Unicode escapes
-                          nodes[nodes.length] = _createSafeReference('decimal', arg, String(args[++i]));
-                          break;
-                      case '#x':
-                          // Hex character reference - ['#x', '123a'] // &#x123a; // probably easier to use JavaScript Unicode escapes
-                          nodes[nodes.length] = _createSafeReference('hexadecimal', arg, args[++i]);
-                          break;
-                      case '![':
-                          // '![', ['escaped <&> text'] // <![CDATA[escaped <&> text]]>
-                          // CDATA valid in XML only, so we'll just treat as text for mutual compatibility
-                          // Todo: config (or detection via some kind of doc.documentType property?) of whether in XML
-                          try {
-                              nodes[nodes.length] = doc.createCDATASection(args[++i]);
-                          } catch (e2) {
-                              nodes[nodes.length] = doc.createTextNode(args[i]); // i already incremented
-                          }
-                          break;
-                      case '':
-                          nodes[nodes.length] = doc.createDocumentFragment();
-                          break;
-                      default:
-                          {
-                              // An element
-                              elStr = arg;
-                              var _atts = args[i + 1];
-                              // Todo: Fix this to depend on XML/config, not availability of methods
-                              if (_getType(_atts) === 'object' && _atts.is) {
-                                  var is = _atts.is;
-
-                                  if (doc.createElementNS) {
-                                      elem = doc.createElementNS(NS_HTML, elStr, { is: is });
-                                  } else {
-                                      elem = doc.createElement(elStr, { is: is });
-                                  }
-                              } else {
-                                  if (doc.createElementNS) {
-                                      elem = doc.createElementNS(NS_HTML, elStr);
-                                  } else {
-                                      elem = doc.createElement(elStr);
-                                  }
-                              }
-                              nodes[nodes.length] = elem; // Add to parent
-                              break;
-                          }
-                  }
-                  break;
-              case 'object':
-                  // Non-DOM-element objects indicate attribute-value pairs
-                  var atts = arg;
-
-                  if (atts.xmlns !== undefined) {
-                      // We handle this here, as otherwise may lose events, etc.
-                      // As namespace of element already set as XHTML, we need to change the namespace
-                      // elem.setAttribute('xmlns', atts.xmlns); // Doesn't work
-                      // Can't set namespaceURI dynamically, renameNode() is not supported, and setAttribute() doesn't work to change the namespace, so we resort to this hack
-                      var replacer = void 0;
-                      if (_typeof$1(atts.xmlns) === 'object') {
-                          replacer = _replaceDefiner(atts.xmlns);
-                      } else {
-                          replacer = ' xmlns="' + atts.xmlns + '"';
-                      }
-                      // try {
-                      // Also fix DOMParser to work with text/html
-                      elem = nodes[nodes.length - 1] = new DOMParser().parseFromString(new XmlSerializer().serializeToString(elem)
-                      // Mozilla adds XHTML namespace
-                      .replace(' xmlns="' + NS_HTML + '"', replacer), 'application/xml').documentElement;
-                      // }catch(e) {alert(elem.outerHTML);throw e;}
-                  }
-                  var orderedArr = atts.$a ? atts.$a.map(_copyOrderedAtts) : [atts];
-                  orderedArr.forEach(_checkAtts);
-                  break;
-              case 'fragment':
-              case 'element':
-                  /*
-                  1) Last element always the parent (put null if don't want parent and want to return array) unless only atts and children (no other elements)
-                  2) Individual elements (DOM elements or sequences of string[/object/array]) get added to parent first-in, first-added
-                  */
-                  if (i === 0) {
-                      // Allow wrapping of element
-                      elem = arg;
-                  }
-                  if (i === argc - 1 || i === argc - 2 && args[i + 1] === null) {
-                      // parent
-                      var elsl = nodes.length;
-                      for (var k = 0; k < elsl; k++) {
-                          _appendNode(arg, nodes[k]);
-                      }
-                      // Todo: Apply stylesheets if any style tags were added elsewhere besides the first element?
-                      _applyAnyStylesheet(nodes[0]); // We have to execute any stylesheets even if not appending or otherwise IE will never apply them
+              if (template) {
+                if (Array.isArray(template)) {
+                  if (_getType(template[0]) === 'object') {
+                    // Has attributes
+                    template = jml.apply(undefined, ['template'].concat(toConsumableArray(template), [doc.body]));
                   } else {
-                      nodes[nodes.length] = arg;
+                    // Array is for the children
+                    template = jml('template', template, doc.body);
                   }
-                  break;
-              case 'array':
-                  // Arrays or arrays of arrays indicate child nodes
-                  var child = arg;
-                  var cl = child.length;
-                  for (var j = 0; j < cl; j++) {
-                      // Go through children array container to handle elements
-                      var childContent = child[j];
-                      var childContentType = typeof childContent === 'undefined' ? 'undefined' : _typeof$1(childContent);
-                      if (childContent === undefined) {
-                          throw String('Parent array:' + JSON.stringify(args) + '; child: ' + child + '; index:' + j);
-                      }
-                      switch (childContentType) {
-                          // Todo: determine whether null or function should have special handling or be converted to text
-                          case 'string':case 'number':case 'boolean':
-                              _appendNode(elem, doc.createTextNode(childContent));
-                              break;
-                          default:
-                              if (Array.isArray(childContent)) {
-                                  // Arrays representing child elements
-                                  _appendNode(elem, _optsOrUndefinedJML.apply(undefined, [opts].concat(toConsumableArray$1(childContent))));
-                              } else if (childContent['#']) {
-                                  // Fragment
-                                  _appendNode(elem, _optsOrUndefinedJML(opts, childContent['#']));
-                              } else {
-                                  // Single DOM element children
-                                  _appendNode(elem, childContent);
-                              }
-                              break;
-                      }
-                  }
-                  break;
-          }
-      }
-      var ret = nodes[0] || elem;
-      if (opts && isRoot && opts.$map && opts.$map.root) {
-          setMap(true);
-      }
-      return ret;
-  };
+                } else if (typeof template === 'string') {
+                  template = $(template);
+                }
 
+                jml(template.content.cloneNode(true), shadowRoot);
+              } else {
+                if (!content) {
+                  content = open || closed;
+                }
+
+                if (content && typeof content !== 'boolean') {
+                  if (Array.isArray(content)) {
+                    jml({
+                      '#': content
+                    }, shadowRoot);
+                  } else {
+                    jml(content, shadowRoot);
+                  }
+                }
+              }
+
+              break;
+            }
+
+          case 'is':
+            {
+              // Not yet supported in browsers
+              // Handled during element creation
+              break;
+            }
+
+          case '$custom':
+            {
+              Object.assign(elem, attVal);
+              break;
+            }
+
+          case '$define':
+            {
+              var _ret = function () {
+                var localName = elem.localName.toLowerCase(); // Note: customized built-ins sadly not working yet
+
+                var customizedBuiltIn = !localName.includes('-');
+                var def = customizedBuiltIn ? elem.getAttribute('is') : localName;
+
+                if (customElements.get(def)) {
+                  return 'break';
+                }
+
+                var getConstructor = function getConstructor(cb) {
+                  var baseClass = options && options.extends ? doc.createElement(options.extends).constructor : customizedBuiltIn ? doc.createElement(localName).constructor : HTMLElement;
+                  return cb ? function (_baseClass) {
+                    inherits(_class, _baseClass);
+
+                    function _class() {
+                      classCallCheck(this, _class);
+
+                      var _this = possibleConstructorReturn(this, (_class.__proto__ || Object.getPrototypeOf(_class)).call(this));
+
+                      cb.call(_this);
+                      return _this;
+                    }
+
+                    return _class;
+                  }(baseClass) : function (_baseClass2) {
+                    inherits(_class2, _baseClass2);
+
+                    function _class2() {
+                      classCallCheck(this, _class2);
+                      return possibleConstructorReturn(this, (_class2.__proto__ || Object.getPrototypeOf(_class2)).apply(this, arguments));
+                    }
+
+                    return _class2;
+                  }(baseClass);
+                };
+
+                var constructor = void 0,
+                    options = void 0,
+                    prototype = void 0;
+
+                if (Array.isArray(attVal)) {
+                  if (attVal.length <= 2) {
+                    var _attVal = slicedToArray(attVal, 2);
+
+                    constructor = _attVal[0];
+                    options = _attVal[1];
+
+                    if (typeof options === 'string') {
+                      options = {
+                        extends: options
+                      };
+                    } else if (!options.hasOwnProperty('extends')) {
+                      prototype = options;
+                    }
+
+                    if ((typeof constructor === 'undefined' ? 'undefined' : _typeof$1(constructor)) === 'object') {
+                      prototype = constructor;
+                      constructor = getConstructor();
+                    }
+                  } else {
+                    var _attVal2 = slicedToArray(attVal, 3);
+
+                    constructor = _attVal2[0];
+                    prototype = _attVal2[1];
+                    options = _attVal2[2];
+
+                    if (typeof options === 'string') {
+                      options = {
+                        extends: options
+                      };
+                    }
+                  }
+                } else if (typeof attVal === 'function') {
+                  constructor = attVal;
+                } else {
+                  prototype = attVal;
+                  constructor = getConstructor();
+                }
+
+                if (!constructor.toString().startsWith('class')) {
+                  constructor = getConstructor(constructor);
+                }
+
+                if (!options && customizedBuiltIn) {
+                  options = {
+                    extends: localName
+                  };
+                }
+
+                if (prototype) {
+                  Object.assign(constructor.prototype, prototype);
+                }
+
+                customElements.define(def, constructor, customizedBuiltIn ? options : undefined);
+                return 'break';
+              }();
+
+              if (_ret === 'break') break;
+            }
+
+          case '$symbol':
+            {
+              var _attVal3 = slicedToArray(attVal, 2),
+                  symbol = _attVal3[0],
+                  func = _attVal3[1];
+
+              if (typeof func === 'function') {
+                var funcBound = func.bind(elem);
+
+                if (typeof symbol === 'string') {
+                  elem[Symbol.for(symbol)] = funcBound;
+                } else {
+                  elem[symbol] = funcBound;
+                }
+              } else {
+                var obj = func;
+                obj.elem = elem;
+
+                if (typeof symbol === 'string') {
+                  elem[Symbol.for(symbol)] = obj;
+                } else {
+                  elem[symbol] = obj;
+                }
+              }
+
+              break;
+            }
+
+          case '$data':
+            {
+              setMap(attVal);
+              break;
+            }
+
+          case '$attribute':
+            {
+              // Attribute node
+              var node = attVal.length === 3 ? doc.createAttributeNS(attVal[0], attVal[1]) : doc.createAttribute(attVal[0]);
+              node.value = attVal[attVal.length - 1];
+              nodes[nodes.length] = node;
+              break;
+            }
+
+          case '$text':
+            {
+              // Todo: Also allow as jml(['a text node']) (or should that become a fragment)?
+              var _node = doc.createTextNode(attVal);
+
+              nodes[nodes.length] = _node;
+              break;
+            }
+
+          case '$document':
+            {
+              // Todo: Conditionally create XML document
+              var _node2 = doc.implementation.createHTMLDocument();
+
+              if (attVal.childNodes) {
+                attVal.childNodes.forEach(_childrenToJML(_node2)); // Remove any extra nodes created by createHTMLDocument().
+
+                var j = attVal.childNodes.length;
+
+                while (_node2.childNodes[j]) {
+                  var cn = _node2.childNodes[j];
+                  cn.parentNode.removeChild(cn);
+                  j++;
+                }
+              } else {
+                if (attVal.$DOCTYPE) {
+                  var dt = {
+                    $DOCTYPE: attVal.$DOCTYPE
+                  };
+                  var doctype = jml(dt);
+
+                  _node2.firstChild.replaceWith(doctype);
+                }
+
+                var html = _node2.childNodes[1];
+                var head = html.childNodes[0];
+                var _body = html.childNodes[1];
+
+                if (attVal.title || attVal.head) {
+                  var meta = doc.createElement('meta');
+                  meta.setAttribute('charset', 'utf-8');
+                  head.appendChild(meta);
+                }
+
+                if (attVal.title) {
+                  _node2.title = attVal.title; // Appends after meta
+                }
+
+                if (attVal.head) {
+                  attVal.head.forEach(_appendJML(head));
+                }
+
+                if (attVal.body) {
+                  attVal.body.forEach(_appendJMLOrText(_body));
+                }
+              }
+
+              nodes[nodes.length] = _node2;
+              break;
+            }
+
+          case '$DOCTYPE':
+            {
+              /*
+              // Todo:
+              if (attVal.internalSubset) {
+                  node = {};
+              }
+              else
+              */
+              var _node3 = void 0;
+
+              if (attVal.entities || attVal.notations) {
+                _node3 = {
+                  name: attVal.name,
+                  nodeName: attVal.name,
+                  nodeValue: null,
+                  nodeType: 10,
+                  entities: attVal.entities.map(_jmlSingleArg),
+                  notations: attVal.notations.map(_jmlSingleArg),
+                  publicId: attVal.publicId,
+                  systemId: attVal.systemId // internalSubset: // Todo
+
+                };
+              } else {
+                _node3 = doc.implementation.createDocumentType(attVal.name, attVal.publicId || '', attVal.systemId || '');
+              }
+
+              nodes[nodes.length] = _node3;
+              break;
+            }
+
+          case '$ENTITY':
+            {
+              /*
+              // Todo: Should we auto-copy another node's properties/methods (like DocumentType) excluding or changing its non-entity node values?
+              const node = {
+                  nodeName: attVal.name,
+                  nodeValue: null,
+                  publicId: attVal.publicId,
+                  systemId: attVal.systemId,
+                  notationName: attVal.notationName,
+                  nodeType: 6,
+                  childNodes: attVal.childNodes.map(_DOMfromJMLOrString)
+              };
+              */
+              break;
+            }
+
+          case '$NOTATION':
+            {
+              // Todo: We could add further properties/methods, but unlikely to be used as is.
+              var _node4 = {
+                nodeName: attVal[0],
+                publicID: attVal[1],
+                systemID: attVal[2],
+                nodeValue: null,
+                nodeType: 12
+              };
+              nodes[nodes.length] = _node4;
+              break;
+            }
+
+          case '$on':
+            {
+              // Events
+              for (var p2 in attVal) {
+                if (attVal.hasOwnProperty(p2)) {
+                  var val = attVal[p2];
+
+                  if (typeof val === 'function') {
+                    val = [val, false];
+                  }
+
+                  if (typeof val[0] === 'function') {
+                    _addEvent(elem, p2, val[0], val[1]); // element, event name, handler, capturing
+
+                  }
+                }
+              }
+
+              break;
+            }
+
+          case 'className':
+          case 'class':
+            if (attVal != null) {
+              elem.className = attVal;
+            }
+
+            break;
+
+          case 'dataset':
+            {
+              var _ret2 = function () {
+                // Map can be keyed with hyphenated or camel-cased properties
+                var recurse = function recurse(attVal, startProp) {
+                  var prop = '';
+                  var pastInitialProp = startProp !== '';
+                  Object.keys(attVal).forEach(function (key) {
+                    var value = attVal[key];
+
+                    if (pastInitialProp) {
+                      prop = startProp + key.replace(hyphenForCamelCase, _upperCase).replace(/^([a-z])/, _upperCase);
+                    } else {
+                      prop = startProp + key.replace(hyphenForCamelCase, _upperCase);
+                    }
+
+                    if (value === null || (typeof value === 'undefined' ? 'undefined' : _typeof$1(value)) !== 'object') {
+                      if (value != null) {
+                        elem.dataset[prop] = value;
+                      }
+
+                      prop = startProp;
+                      return;
+                    }
+
+                    recurse(value, prop);
+                  });
+                };
+
+                recurse(attVal, '');
+                return 'break'; // Todo: Disable this by default unless configuration explicitly allows (for security)
+              }();
+
+              break;
+            }
+          // #if IS_REMOVE
+          // Don't remove this `if` block (for sake of no-innerHTML build)
+
+          case 'innerHTML':
+            if (attVal != null) {
+              elem.innerHTML = attVal;
+            }
+
+            break;
+          // #endif
+
+          case 'htmlFor':
+          case 'for':
+            if (elStr === 'label') {
+              if (attVal != null) {
+                elem.htmlFor = attVal;
+              }
+
+              break;
+            }
+
+            elem.setAttribute(att, attVal);
+            break;
+
+          case 'xmlns':
+            // Already handled
+            break;
+
+          default:
+            if (att.match(/^on/)) {
+              elem[att] = attVal; // _addEvent(elem, att.slice(2), attVal, false); // This worked, but perhaps the user wishes only one event
+
+              break;
+            }
+
+            if (att === 'style') {
+              if (attVal == null) {
+                break;
+              }
+
+              if ((typeof attVal === 'undefined' ? 'undefined' : _typeof$1(attVal)) === 'object') {
+                for (var _p in attVal) {
+                  if (attVal.hasOwnProperty(_p) && attVal[_p] != null) {
+                    // Todo: Handle aggregate properties like "border"
+                    if (_p === 'float') {
+                      elem.style.cssFloat = attVal[_p];
+                      elem.style.styleFloat = attVal[_p]; // Harmless though we could make conditional on older IE instead
+                    } else {
+                      elem.style[_p.replace(hyphenForCamelCase, _upperCase)] = attVal[_p];
+                    }
+                  }
+                }
+
+                break;
+              } // setAttribute unfortunately erases any existing styles
+
+
+              elem.setAttribute(att, attVal);
+              /*
+              // The following reorders which is troublesome for serialization, e.g., as used in our testing
+              if (elem.style.cssText !== undefined) {
+                  elem.style.cssText += attVal;
+              } else { // Opera
+                  elem.style += attVal;
+              }
+              */
+
+              break;
+            }
+
+            var matchingPlugin = opts && opts.$plugins && opts.$plugins.find(function (p) {
+              return p.name === att;
+            });
+
+            if (matchingPlugin) {
+              matchingPlugin.set({
+                element: elem,
+                attribute: {
+                  name: att,
+                  value: attVal
+                }
+              });
+              break;
+            }
+
+            elem.setAttribute(att, attVal);
+            break;
+        }
+      }
+    }
+
+    var nodes = [];
+    var elStr = void 0;
+    var opts = void 0;
+    var isRoot = false;
+
+    if (_getType(args[0]) === 'object' && Object.keys(args[0]).some(function (key) {
+      return possibleOptions.includes(key);
+    })) {
+      opts = args[0];
+
+      if (opts.state !== 'child') {
+        isRoot = true;
+        opts.state = 'child';
+      }
+
+      if (opts.$map && !opts.$map.root && opts.$map.root !== false) {
+        opts.$map = {
+          root: opts.$map
+        };
+      }
+
+      if ('$plugins' in opts) {
+        if (!Array.isArray(opts.$plugins)) {
+          throw new Error('$plugins must be an array');
+        }
+
+        opts.$plugins.forEach(function (pluginObj) {
+          if (!pluginObj) {
+            throw new TypeError('Plugin must be an object');
+          }
+
+          if (!pluginObj.name || !pluginObj.name.startsWith('$_')) {
+            throw new TypeError('Plugin object name must be present and begin with `$_`');
+          }
+
+          if (typeof pluginObj.set !== 'function') {
+            throw new TypeError('Plugin object must have a `set` method');
+          }
+        });
+      }
+
+      args = args.slice(1);
+    }
+
+    var argc = args.length;
+    var defaultMap = opts && opts.$map && opts.$map.root;
+
+    var setMap = function setMap(dataVal) {
+      var map = void 0,
+          obj = void 0; // Boolean indicating use of default map and object
+
+      if (dataVal === true) {
+        var _defaultMap = slicedToArray(defaultMap, 2);
+
+        map = _defaultMap[0];
+        obj = _defaultMap[1];
+      } else if (Array.isArray(dataVal)) {
+        // Array of strings mapping to default
+        if (typeof dataVal[0] === 'string') {
+          dataVal.forEach(function (dVal) {
+            setMap(opts.$map[dVal]);
+          }); // Array of Map and non-map data object
+        } else {
+          map = dataVal[0] || defaultMap[0];
+          obj = dataVal[1] || defaultMap[1];
+        } // Map
+
+      } else if (/^\[object (?:Weak)?Map\]$/.test([].toString.call(dataVal))) {
+        map = dataVal;
+        obj = defaultMap[1]; // Non-map data object
+      } else {
+        map = defaultMap[0];
+        obj = dataVal;
+      }
+
+      map.set(elem, obj);
+    };
+
+    for (var i = 0; i < argc; i++) {
+      var arg = args[i];
+
+      switch (_getType(arg)) {
+        case 'null':
+          // null always indicates a place-holder (only needed for last argument if want array returned)
+          if (i === argc - 1) {
+            _applyAnyStylesheet(nodes[0]); // We have to execute any stylesheets even if not appending or otherwise IE will never apply them
+            // Todo: Fix to allow application of stylesheets of style tags within fragments?
+
+
+            return nodes.length <= 1 ? nodes[0] : nodes.reduce(_fragReducer, doc.createDocumentFragment()); // nodes;
+          }
+
+          break;
+
+        case 'string':
+          // Strings indicate elements
+          switch (arg) {
+            case '!':
+              nodes[nodes.length] = doc.createComment(args[++i]);
+              break;
+
+            case '?':
+              arg = args[++i];
+              var procValue = args[++i];
+              var val = procValue;
+
+              if ((typeof val === 'undefined' ? 'undefined' : _typeof$1(val)) === 'object') {
+                procValue = [];
+
+                for (var p in val) {
+                  if (val.hasOwnProperty(p)) {
+                    procValue.push(p + '=' + '"' + val[p].replace(/"/g, '\\"') + '"');
+                  }
+                }
+
+                procValue = procValue.join(' ');
+              } // Firefox allows instructions with ">" in this method, but not if placed directly!
+
+
+              try {
+                nodes[nodes.length] = doc.createProcessingInstruction(arg, procValue);
+              } catch (e) {
+                // Getting NotSupportedError in IE, so we try to imitate a processing instruction with a comment
+                // innerHTML didn't work
+                // var elContainer = doc.createElement('div');
+                // elContainer.innerHTML = '<?' + doc.createTextNode(arg + ' ' + procValue).nodeValue + '?>';
+                // nodes[nodes.length] = elContainer.innerHTML;
+                // Todo: any other way to resolve? Just use XML?
+                nodes[nodes.length] = doc.createComment('?' + arg + ' ' + procValue + '?');
+              }
+
+              break;
+            // Browsers don't support doc.createEntityReference, so we just use this as a convenience
+
+            case '&':
+              nodes[nodes.length] = _createSafeReference('entity', '', args[++i]);
+              break;
+
+            case '#':
+              // // Decimal character reference - ['#', '01234'] // &#01234; // probably easier to use JavaScript Unicode escapes
+              nodes[nodes.length] = _createSafeReference('decimal', arg, String(args[++i]));
+              break;
+
+            case '#x':
+              // Hex character reference - ['#x', '123a'] // &#x123a; // probably easier to use JavaScript Unicode escapes
+              nodes[nodes.length] = _createSafeReference('hexadecimal', arg, args[++i]);
+              break;
+
+            case '![':
+              // '![', ['escaped <&> text'] // <![CDATA[escaped <&> text]]>
+              // CDATA valid in XML only, so we'll just treat as text for mutual compatibility
+              // Todo: config (or detection via some kind of doc.documentType property?) of whether in XML
+              try {
+                nodes[nodes.length] = doc.createCDATASection(args[++i]);
+              } catch (e2) {
+                nodes[nodes.length] = doc.createTextNode(args[i]); // i already incremented
+              }
+
+              break;
+
+            case '':
+              nodes[nodes.length] = doc.createDocumentFragment();
+              break;
+
+            default:
+              {
+                // An element
+                elStr = arg;
+                var _atts = args[i + 1]; // Todo: Fix this to depend on XML/config, not availability of methods
+
+                if (_getType(_atts) === 'object' && _atts.is) {
+                  var is = _atts.is;
+
+                  if (doc.createElementNS) {
+                    elem = doc.createElementNS(NS_HTML, elStr, {
+                      is: is
+                    });
+                  } else {
+                    elem = doc.createElement(elStr, {
+                      is: is
+                    });
+                  }
+                } else {
+                  if (doc.createElementNS) {
+                    elem = doc.createElementNS(NS_HTML, elStr);
+                  } else {
+                    elem = doc.createElement(elStr);
+                  }
+                }
+
+                nodes[nodes.length] = elem; // Add to parent
+
+                break;
+              }
+          }
+
+          break;
+
+        case 'object':
+          // Non-DOM-element objects indicate attribute-value pairs
+          var atts = arg;
+
+          if (atts.xmlns !== undefined) {
+            // We handle this here, as otherwise may lose events, etc.
+            // As namespace of element already set as XHTML, we need to change the namespace
+            // elem.setAttribute('xmlns', atts.xmlns); // Doesn't work
+            // Can't set namespaceURI dynamically, renameNode() is not supported, and setAttribute() doesn't work to change the namespace, so we resort to this hack
+            var replacer = void 0;
+
+            if (_typeof$1(atts.xmlns) === 'object') {
+              replacer = _replaceDefiner(atts.xmlns);
+            } else {
+              replacer = ' xmlns="' + atts.xmlns + '"';
+            } // try {
+            // Also fix DOMParser to work with text/html
+
+
+            elem = nodes[nodes.length - 1] = new DOMParser().parseFromString(new XmlSerializer().serializeToString(elem) // Mozilla adds XHTML namespace
+            .replace(' xmlns="' + NS_HTML + '"', replacer), 'application/xml').documentElement; // }catch(e) {alert(elem.outerHTML);throw e;}
+          }
+
+          var orderedArr = atts.$a ? atts.$a.map(_copyOrderedAtts) : [atts];
+          orderedArr.forEach(_checkAtts);
+          break;
+
+        case 'fragment':
+        case 'element':
+          /*
+          1) Last element always the parent (put null if don't want parent and want to return array) unless only atts and children (no other elements)
+          2) Individual elements (DOM elements or sequences of string[/object/array]) get added to parent first-in, first-added
+          */
+          if (i === 0) {
+            // Allow wrapping of element
+            elem = arg;
+          }
+
+          if (i === argc - 1 || i === argc - 2 && args[i + 1] === null) {
+            // parent
+            var elsl = nodes.length;
+
+            for (var k = 0; k < elsl; k++) {
+              _appendNode(arg, nodes[k]);
+            } // Todo: Apply stylesheets if any style tags were added elsewhere besides the first element?
+
+
+            _applyAnyStylesheet(nodes[0]); // We have to execute any stylesheets even if not appending or otherwise IE will never apply them
+
+          } else {
+            nodes[nodes.length] = arg;
+          }
+
+          break;
+
+        case 'array':
+          // Arrays or arrays of arrays indicate child nodes
+          var child = arg;
+          var cl = child.length;
+
+          for (var j = 0; j < cl; j++) {
+            // Go through children array container to handle elements
+            var childContent = child[j];
+            var childContentType = typeof childContent === 'undefined' ? 'undefined' : _typeof$1(childContent);
+
+            if (childContent === undefined) {
+              throw String('Parent array:' + JSON.stringify(args) + '; child: ' + child + '; index:' + j);
+            }
+
+            switch (childContentType) {
+              // Todo: determine whether null or function should have special handling or be converted to text
+              case 'string':
+              case 'number':
+              case 'boolean':
+                _appendNode(elem, doc.createTextNode(childContent));
+
+                break;
+
+              default:
+                if (Array.isArray(childContent)) {
+                  // Arrays representing child elements
+                  _appendNode(elem, _optsOrUndefinedJML.apply(undefined, [opts].concat(toConsumableArray(childContent))));
+                } else if (childContent['#']) {
+                  // Fragment
+                  _appendNode(elem, _optsOrUndefinedJML(opts, childContent['#']));
+                } else {
+                  // Single DOM element children
+                  _appendNode(elem, childContent);
+                }
+
+                break;
+            }
+          }
+
+          break;
+      }
+    }
+
+    var ret = nodes[0] || elem;
+
+    if (opts && isRoot && opts.$map && opts.$map.root) {
+      setMap(true);
+    }
+
+    return ret;
+  };
   /**
   * Converts a DOM object or a string of HTML into a Jamilih object (or string)
   * @param {string|HTMLElement} [dom=document.documentElement] Defaults to converting the current document.
@@ -1258,771 +1453,769 @@
                               if `stringOutput` is true, it will be the stringified version of
                               such an object
   */
+
+
   jml.toJML = function (dom, config) {
-      config = config || { stringOutput: false };
-      if (typeof dom === 'string') {
-          dom = new DOMParser().parseFromString(dom, 'text/html'); // todo: Give option for XML once implemented and change JSDoc to allow for Element
+    config = config || {
+      stringOutput: false
+    };
+
+    if (typeof dom === 'string') {
+      dom = new DOMParser().parseFromString(dom, 'text/html'); // todo: Give option for XML once implemented and change JSDoc to allow for Element
+    }
+
+    var ret = [];
+    var parent = ret;
+    var parentIdx = 0;
+
+    function invalidStateError() {
+      // These are probably only necessary if working with text/html
+      function DOMException() {
+        return this;
       }
 
-      var ret = [];
-      var parent = ret;
-      var parentIdx = 0;
+      {
+        // INVALID_STATE_ERR per section 9.3 XHTML 5: http://www.w3.org/TR/html5/the-xhtml-syntax.html
+        // Since we can't instantiate without this (at least in Mozilla), this mimicks at least (good idea?)
+        var e = new DOMException();
+        e.code = 11;
+        throw e;
+      }
+    }
 
-      function invalidStateError() {
-          // These are probably only necessary if working with text/html
-          function DOMException() {
-              return this;
-          }
-          {
-              // INVALID_STATE_ERR per section 9.3 XHTML 5: http://www.w3.org/TR/html5/the-xhtml-syntax.html
-              // Since we can't instantiate without this (at least in Mozilla), this mimicks at least (good idea?)
-              var e = new DOMException();
-              e.code = 11;
-              throw e;
-          }
+    function addExternalID(obj, node) {
+      if (node.systemId.includes('"') && node.systemId.includes("'")) {
+        invalidStateError();
       }
 
-      function addExternalID(obj, node) {
-          if (node.systemId.includes('"') && node.systemId.includes("'")) {
-              invalidStateError();
-          }
-          var publicId = node.publicId;
-          var systemId = node.systemId;
-          if (systemId) {
-              obj.systemId = systemId;
-          }
-          if (publicId) {
-              obj.publicId = publicId;
-          }
+      var publicId = node.publicId;
+      var systemId = node.systemId;
+
+      if (systemId) {
+        obj.systemId = systemId;
       }
 
-      function set$$1(val) {
-          parent[parentIdx] = val;
-          parentIdx++;
+      if (publicId) {
+        obj.publicId = publicId;
       }
-      function setChildren() {
-          set$$1([]);
-          parent = parent[parentIdx - 1];
-          parentIdx = 0;
+    }
+
+    function set$$1(val) {
+      parent[parentIdx] = val;
+      parentIdx++;
+    }
+
+    function setChildren() {
+      set$$1([]);
+      parent = parent[parentIdx - 1];
+      parentIdx = 0;
+    }
+
+    function setObj(prop1, prop2) {
+      parent = parent[parentIdx - 1][prop1];
+      parentIdx = 0;
+
+      if (prop2) {
+        parent = parent[prop2];
       }
-      function setObj(prop1, prop2) {
-          parent = parent[parentIdx - 1][prop1];
-          parentIdx = 0;
-          if (prop2) {
-              parent = parent[prop2];
-          }
+    }
+
+    function parseDOM(node, namespaces) {
+      // namespaces = clone(namespaces) || {}; // Ensure we're working with a copy, so different levels in the hierarchy can treat it differently
+
+      /*
+      if ((node.prefix && node.prefix.includes(':')) || (node.localName && node.localName.includes(':'))) {
+          invalidStateError();
+      }
+      */
+      var type = 'nodeType' in node ? node.nodeType : null;
+      namespaces = Object.assign({}, namespaces);
+      var xmlChars = /([\u0009\u000A\u000D\u0020-\uD7FF\uE000-\uFFFD]|[\uD800-\uDBFF][\uDC00-\uDFFF])*$/; // eslint-disable-line no-control-regex
+
+      if ([2, 3, 4, 7, 8].includes(type) && !xmlChars.test(node.nodeValue)) {
+        invalidStateError();
       }
 
-      function parseDOM(node, namespaces) {
-          // namespaces = clone(namespaces) || {}; // Ensure we're working with a copy, so different levels in the hierarchy can treat it differently
+      var children = void 0,
+          start = void 0,
+          tmpParent = void 0,
+          tmpParentIdx = void 0;
 
-          /*
-          if ((node.prefix && node.prefix.includes(':')) || (node.localName && node.localName.includes(':'))) {
-              invalidStateError();
-          }
-          */
-
-          var type = 'nodeType' in node ? node.nodeType : null;
-          namespaces = Object.assign({}, namespaces);
-
-          var xmlChars = /([\u0009\u000A\u000D\u0020-\uD7FF\uE000-\uFFFD]|[\uD800-\uDBFF][\uDC00-\uDFFF])*$/; // eslint-disable-line no-control-regex
-          if ([2, 3, 4, 7, 8].includes(type) && !xmlChars.test(node.nodeValue)) {
-              invalidStateError();
-          }
-
-          var children = void 0,
-              start = void 0,
-              tmpParent = void 0,
-              tmpParentIdx = void 0;
-          function setTemp() {
-              tmpParent = parent;
-              tmpParentIdx = parentIdx;
-          }
-          function resetTemp() {
-              parent = tmpParent;
-              parentIdx = tmpParentIdx;
-              parentIdx++; // Increment index in parent container of this element
-          }
-          switch (type) {
-              case 1:
-                  // ELEMENT
-                  setTemp();
-                  var nodeName = node.nodeName.toLowerCase(); // Todo: for XML, should not lower-case
-
-                  setChildren(); // Build child array since elements are, except at the top level, encapsulated in arrays
-                  set$$1(nodeName);
-
-                  start = {};
-                  var hasNamespaceDeclaration = false;
-
-                  if (namespaces[node.prefix || ''] !== node.namespaceURI) {
-                      namespaces[node.prefix || ''] = node.namespaceURI;
-                      if (node.prefix) {
-                          start['xmlns:' + node.prefix] = node.namespaceURI;
-                      } else if (node.namespaceURI) {
-                          start.xmlns = node.namespaceURI;
-                      }
-                      hasNamespaceDeclaration = true;
-                  }
-                  if (node.attributes.length) {
-                      set$$1(Array.from(node.attributes).reduce(function (obj, att) {
-                          obj[att.name] = att.value; // Attr.nodeName and Attr.nodeValue are deprecated as of DOM4 as Attr no longer inherits from Node, so we can safely use name and value
-                          return obj;
-                      }, start));
-                  } else if (hasNamespaceDeclaration) {
-                      set$$1(start);
-                  }
-
-                  children = node.childNodes;
-                  if (children.length) {
-                      setChildren(); // Element children array container
-                      Array.from(children).forEach(function (childNode) {
-                          parseDOM(childNode, namespaces);
-                      });
-                  }
-                  resetTemp();
-                  break;
-              case undefined: // Treat as attribute node until this is fixed: https://github.com/tmpvar/jsdom/issues/1641 / https://github.com/tmpvar/jsdom/pull/1822
-              case 2:
-                  // ATTRIBUTE (should only get here if passing in an attribute node)
-                  set$$1({ $attribute: [node.namespaceURI, node.name, node.value] });
-                  break;
-              case 3:
-                  // TEXT
-                  if (config.stripWhitespace && /^\s+$/.test(node.nodeValue)) {
-                      return;
-                  }
-                  set$$1(node.nodeValue);
-                  break;
-              case 4:
-                  // CDATA
-                  if (node.nodeValue.includes(']]' + '>')) {
-                      invalidStateError();
-                  }
-                  set$$1(['![', node.nodeValue]);
-                  break;
-              case 5:
-                  // ENTITY REFERENCE (probably not used in browsers since already resolved)
-                  set$$1(['&', node.nodeName]);
-                  break;
-              case 6:
-                  // ENTITY (would need to pass in directly)
-                  setTemp();
-                  start = {};
-                  if (node.xmlEncoding || node.xmlVersion) {
-                      // an external entity file?
-                      start.$ENTITY = { name: node.nodeName, version: node.xmlVersion, encoding: node.xmlEncoding };
-                  } else {
-                      start.$ENTITY = { name: node.nodeName };
-                      if (node.publicId || node.systemId) {
-                          // External Entity?
-                          addExternalID(start.$ENTITY, node);
-                          if (node.notationName) {
-                              start.$ENTITY.NDATA = node.notationName;
-                          }
-                      }
-                  }
-                  set$$1(start);
-                  children = node.childNodes;
-                  if (children.length) {
-                      start.$ENTITY.childNodes = [];
-                      // Set position to $ENTITY's childNodes array children
-                      setObj('$ENTITY', 'childNodes');
-
-                      Array.from(children).forEach(function (childNode) {
-                          parseDOM(childNode, namespaces);
-                      });
-                  }
-                  resetTemp();
-                  break;
-              case 7:
-                  // PROCESSING INSTRUCTION
-                  if (/^xml$/i.test(node.target)) {
-                      invalidStateError();
-                  }
-                  if (node.target.includes('?>')) {
-                      invalidStateError();
-                  }
-                  if (node.target.includes(':')) {
-                      invalidStateError();
-                  }
-                  if (node.data.includes('?>')) {
-                      invalidStateError();
-                  }
-                  set$$1(['?', node.target, node.data]); // Todo: Could give option to attempt to convert value back into object if has pseudo-attributes
-                  break;
-              case 8:
-                  // COMMENT
-                  if (node.nodeValue.includes('--') || node.nodeValue.length && node.nodeValue.lastIndexOf('-') === node.nodeValue.length - 1) {
-                      invalidStateError();
-                  }
-                  set$$1(['!', node.nodeValue]);
-                  break;
-              case 9:
-                  // DOCUMENT
-                  setTemp();
-                  var docObj = { $document: { childNodes: [] } };
-
-                  if (config.xmlDeclaration) {
-                      docObj.$document.xmlDeclaration = { version: doc.xmlVersion, encoding: doc.xmlEncoding, standAlone: doc.xmlStandalone };
-                  }
-
-                  set$$1(docObj); // doc.implementation.createHTMLDocument
-
-                  // Set position to fragment's array children
-                  setObj('$document', 'childNodes');
-
-                  children = node.childNodes;
-                  if (!children.length) {
-                      invalidStateError();
-                  }
-                  // set({$xmlDocument: []}); // doc.implementation.createDocument // Todo: use this conditionally
-
-                  Array.from(children).forEach(function (childNode) {
-                      // Can't just do documentElement as there may be doctype, comments, etc.
-                      // No need for setChildren, as we have already built the container array
-                      parseDOM(childNode, namespaces);
-                  });
-                  resetTemp();
-                  break;
-              case 10:
-                  // DOCUMENT TYPE
-                  setTemp();
-
-                  // Can create directly by doc.implementation.createDocumentType
-                  start = { $DOCTYPE: { name: node.name } };
-                  if (node.internalSubset) {
-                      start.internalSubset = node.internalSubset;
-                  }
-                  var pubIdChar = /^(\u0020|\u000D|\u000A|[a-zA-Z0-9]|[-'()+,./:=?;!*#@$_%])*$/; // eslint-disable-line no-control-regex
-                  if (!pubIdChar.test(node.publicId)) {
-                      invalidStateError();
-                  }
-                  addExternalID(start.$DOCTYPE, node);
-                  // Fit in internal subset along with entities?: probably don't need as these would only differ if from DTD, and we're not rebuilding the DTD
-                  set$$1(start); // Auto-generate the internalSubset instead? Avoid entities/notations in favor of array to preserve order?
-
-                  var entities = node.entities; // Currently deprecated
-                  if (entities && entities.length) {
-                      start.$DOCTYPE.entities = [];
-                      setObj('$DOCTYPE', 'entities');
-                      Array.from(entities).forEach(function (entity) {
-                          parseDOM(entity, namespaces);
-                      });
-                      // Reset for notations
-                      parent = tmpParent;
-                      parentIdx = tmpParentIdx + 1;
-                  }
-
-                  var notations = node.notations; // Currently deprecated
-                  if (notations && notations.length) {
-                      start.$DOCTYPE.notations = [];
-                      setObj('$DOCTYPE', 'notations');
-                      Array.from(notations).forEach(function (notation) {
-                          parseDOM(notation, namespaces);
-                      });
-                  }
-                  resetTemp();
-                  break;
-              case 11:
-                  // DOCUMENT FRAGMENT
-                  setTemp();
-
-                  set$$1({ '#': [] });
-
-                  // Set position to fragment's array children
-                  setObj('#');
-
-                  children = node.childNodes;
-                  Array.from(children).forEach(function (childNode) {
-                      // No need for setChildren, as we have already built the container array
-                      parseDOM(childNode, namespaces);
-                  });
-
-                  resetTemp();
-                  break;
-              case 12:
-                  // NOTATION
-                  start = { $NOTATION: { name: node.nodeName } };
-                  addExternalID(start.$NOTATION, node, true);
-                  set$$1(start);
-                  break;
-              default:
-                  throw new TypeError('Not an XML type');
-          }
+      function setTemp() {
+        tmpParent = parent;
+        tmpParentIdx = parentIdx;
       }
 
-      parseDOM(dom, {});
-
-      if (config.stringOutput) {
-          return JSON.stringify(ret[0]);
+      function resetTemp() {
+        parent = tmpParent;
+        parentIdx = tmpParentIdx;
+        parentIdx++; // Increment index in parent container of this element
       }
-      return ret[0];
+
+      switch (type) {
+        case 1:
+          // ELEMENT
+          setTemp();
+          var nodeName = node.nodeName.toLowerCase(); // Todo: for XML, should not lower-case
+
+          setChildren(); // Build child array since elements are, except at the top level, encapsulated in arrays
+
+          set$$1(nodeName);
+          start = {};
+          var hasNamespaceDeclaration = false;
+
+          if (namespaces[node.prefix || ''] !== node.namespaceURI) {
+            namespaces[node.prefix || ''] = node.namespaceURI;
+
+            if (node.prefix) {
+              start['xmlns:' + node.prefix] = node.namespaceURI;
+            } else if (node.namespaceURI) {
+              start.xmlns = node.namespaceURI;
+            }
+
+            hasNamespaceDeclaration = true;
+          }
+
+          if (node.attributes.length) {
+            set$$1(Array.from(node.attributes).reduce(function (obj, att) {
+              obj[att.name] = att.value; // Attr.nodeName and Attr.nodeValue are deprecated as of DOM4 as Attr no longer inherits from Node, so we can safely use name and value
+
+              return obj;
+            }, start));
+          } else if (hasNamespaceDeclaration) {
+            set$$1(start);
+          }
+
+          children = node.childNodes;
+
+          if (children.length) {
+            setChildren(); // Element children array container
+
+            Array.from(children).forEach(function (childNode) {
+              parseDOM(childNode, namespaces);
+            });
+          }
+
+          resetTemp();
+          break;
+
+        case undefined: // Treat as attribute node until this is fixed: https://github.com/tmpvar/jsdom/issues/1641 / https://github.com/tmpvar/jsdom/pull/1822
+
+        case 2:
+          // ATTRIBUTE (should only get here if passing in an attribute node)
+          set$$1({
+            $attribute: [node.namespaceURI, node.name, node.value]
+          });
+          break;
+
+        case 3:
+          // TEXT
+          if (config.stripWhitespace && /^\s+$/.test(node.nodeValue)) {
+            return;
+          }
+
+          set$$1(node.nodeValue);
+          break;
+
+        case 4:
+          // CDATA
+          if (node.nodeValue.includes(']]' + '>')) {
+            invalidStateError();
+          }
+
+          set$$1(['![', node.nodeValue]);
+          break;
+
+        case 5:
+          // ENTITY REFERENCE (probably not used in browsers since already resolved)
+          set$$1(['&', node.nodeName]);
+          break;
+
+        case 6:
+          // ENTITY (would need to pass in directly)
+          setTemp();
+          start = {};
+
+          if (node.xmlEncoding || node.xmlVersion) {
+            // an external entity file?
+            start.$ENTITY = {
+              name: node.nodeName,
+              version: node.xmlVersion,
+              encoding: node.xmlEncoding
+            };
+          } else {
+            start.$ENTITY = {
+              name: node.nodeName
+            };
+
+            if (node.publicId || node.systemId) {
+              // External Entity?
+              addExternalID(start.$ENTITY, node);
+
+              if (node.notationName) {
+                start.$ENTITY.NDATA = node.notationName;
+              }
+            }
+          }
+
+          set$$1(start);
+          children = node.childNodes;
+
+          if (children.length) {
+            start.$ENTITY.childNodes = []; // Set position to $ENTITY's childNodes array children
+
+            setObj('$ENTITY', 'childNodes');
+            Array.from(children).forEach(function (childNode) {
+              parseDOM(childNode, namespaces);
+            });
+          }
+
+          resetTemp();
+          break;
+
+        case 7:
+          // PROCESSING INSTRUCTION
+          if (/^xml$/i.test(node.target)) {
+            invalidStateError();
+          }
+
+          if (node.target.includes('?>')) {
+            invalidStateError();
+          }
+
+          if (node.target.includes(':')) {
+            invalidStateError();
+          }
+
+          if (node.data.includes('?>')) {
+            invalidStateError();
+          }
+
+          set$$1(['?', node.target, node.data]); // Todo: Could give option to attempt to convert value back into object if has pseudo-attributes
+
+          break;
+
+        case 8:
+          // COMMENT
+          if (node.nodeValue.includes('--') || node.nodeValue.length && node.nodeValue.lastIndexOf('-') === node.nodeValue.length - 1) {
+            invalidStateError();
+          }
+
+          set$$1(['!', node.nodeValue]);
+          break;
+
+        case 9:
+          // DOCUMENT
+          setTemp();
+          var docObj = {
+            $document: {
+              childNodes: []
+            }
+          };
+
+          if (config.xmlDeclaration) {
+            docObj.$document.xmlDeclaration = {
+              version: doc.xmlVersion,
+              encoding: doc.xmlEncoding,
+              standAlone: doc.xmlStandalone
+            };
+          }
+
+          set$$1(docObj); // doc.implementation.createHTMLDocument
+          // Set position to fragment's array children
+
+          setObj('$document', 'childNodes');
+          children = node.childNodes;
+
+          if (!children.length) {
+            invalidStateError();
+          } // set({$xmlDocument: []}); // doc.implementation.createDocument // Todo: use this conditionally
+
+
+          Array.from(children).forEach(function (childNode) {
+            // Can't just do documentElement as there may be doctype, comments, etc.
+            // No need for setChildren, as we have already built the container array
+            parseDOM(childNode, namespaces);
+          });
+          resetTemp();
+          break;
+
+        case 10:
+          // DOCUMENT TYPE
+          setTemp(); // Can create directly by doc.implementation.createDocumentType
+
+          start = {
+            $DOCTYPE: {
+              name: node.name
+            }
+          };
+
+          if (node.internalSubset) {
+            start.internalSubset = node.internalSubset;
+          }
+
+          var pubIdChar = /^(\u0020|\u000D|\u000A|[a-zA-Z0-9]|[-'()+,./:=?;!*#@$_%])*$/; // eslint-disable-line no-control-regex
+
+          if (!pubIdChar.test(node.publicId)) {
+            invalidStateError();
+          }
+
+          addExternalID(start.$DOCTYPE, node); // Fit in internal subset along with entities?: probably don't need as these would only differ if from DTD, and we're not rebuilding the DTD
+
+          set$$1(start); // Auto-generate the internalSubset instead? Avoid entities/notations in favor of array to preserve order?
+
+          var entities = node.entities; // Currently deprecated
+
+          if (entities && entities.length) {
+            start.$DOCTYPE.entities = [];
+            setObj('$DOCTYPE', 'entities');
+            Array.from(entities).forEach(function (entity) {
+              parseDOM(entity, namespaces);
+            }); // Reset for notations
+
+            parent = tmpParent;
+            parentIdx = tmpParentIdx + 1;
+          }
+
+          var notations = node.notations; // Currently deprecated
+
+          if (notations && notations.length) {
+            start.$DOCTYPE.notations = [];
+            setObj('$DOCTYPE', 'notations');
+            Array.from(notations).forEach(function (notation) {
+              parseDOM(notation, namespaces);
+            });
+          }
+
+          resetTemp();
+          break;
+
+        case 11:
+          // DOCUMENT FRAGMENT
+          setTemp();
+          set$$1({
+            '#': []
+          }); // Set position to fragment's array children
+
+          setObj('#');
+          children = node.childNodes;
+          Array.from(children).forEach(function (childNode) {
+            // No need for setChildren, as we have already built the container array
+            parseDOM(childNode, namespaces);
+          });
+          resetTemp();
+          break;
+
+        case 12:
+          // NOTATION
+          start = {
+            $NOTATION: {
+              name: node.nodeName
+            }
+          };
+          addExternalID(start.$NOTATION, node, true);
+          set$$1(start);
+          break;
+
+        default:
+          throw new TypeError('Not an XML type');
+      }
+    }
+
+    parseDOM(dom, {});
+
+    if (config.stringOutput) {
+      return JSON.stringify(ret[0]);
+    }
+
+    return ret[0];
   };
+
   jml.toJMLString = function (dom, config) {
-      return jml.toJML(dom, Object.assign(config || {}, { stringOutput: true }));
+    return jml.toJML(dom, Object.assign(config || {}, {
+      stringOutput: true
+    }));
   };
+
   jml.toDOM = function () {
-      // Alias for jml()
-      return jml.apply(undefined, arguments);
+    // Alias for jml()
+    return jml.apply(undefined, arguments);
   };
+
   jml.toHTML = function () {
-      // Todo: Replace this with version of jml() that directly builds a string
-      var ret = jml.apply(undefined, arguments);
-      // Todo: deal with serialization of properties like 'selected', 'checked', 'value', 'defaultValue', 'for', 'dataset', 'on*', 'style'! (i.e., need to build a string ourselves)
-      return ret.outerHTML;
+    // Todo: Replace this with version of jml() that directly builds a string
+    var ret = jml.apply(undefined, arguments); // Todo: deal with serialization of properties like 'selected', 'checked', 'value', 'defaultValue', 'for', 'dataset', 'on*', 'style'! (i.e., need to build a string ourselves)
+
+    return ret.outerHTML;
   };
+
   jml.toDOMString = function () {
-      // Alias for jml.toHTML for parity with jml.toJMLString
-      return jml.toHTML.apply(jml, arguments);
+    // Alias for jml.toHTML for parity with jml.toJMLString
+    return jml.toHTML.apply(jml, arguments);
   };
+
   jml.toXML = function () {
-      var ret = jml.apply(undefined, arguments);
-      return new XmlSerializer().serializeToString(ret);
+    var ret = jml.apply(undefined, arguments);
+    return new XmlSerializer().serializeToString(ret);
   };
+
   jml.toXMLDOMString = function () {
-      // Alias for jml.toXML for parity with jml.toJMLString
-      return jml.toXML.apply(jml, arguments);
+    // Alias for jml.toXML for parity with jml.toJMLString
+    return jml.toXML.apply(jml, arguments);
   };
 
   var JamilihMap = function (_Map) {
-      inherits$1(JamilihMap, _Map);
+    inherits(JamilihMap, _Map);
 
-      function JamilihMap() {
-          classCallCheck$1(this, JamilihMap);
-          return possibleConstructorReturn$1(this, (JamilihMap.__proto__ || Object.getPrototypeOf(JamilihMap)).apply(this, arguments));
+    function JamilihMap() {
+      classCallCheck(this, JamilihMap);
+      return possibleConstructorReturn(this, (JamilihMap.__proto__ || Object.getPrototypeOf(JamilihMap)).apply(this, arguments));
+    }
+
+    createClass(JamilihMap, [{
+      key: 'get',
+      value: function get$$1(elem) {
+        elem = typeof elem === 'string' ? $(elem) : elem;
+        return get(JamilihMap.prototype.__proto__ || Object.getPrototypeOf(JamilihMap.prototype), 'get', this).call(this, elem);
       }
+    }, {
+      key: 'set',
+      value: function set$$1(elem, value) {
+        elem = typeof elem === 'string' ? $(elem) : elem;
+        return get(JamilihMap.prototype.__proto__ || Object.getPrototypeOf(JamilihMap.prototype), 'set', this).call(this, elem, value);
+      }
+    }, {
+      key: 'invoke',
+      value: function invoke(elem, methodName) {
+        var _get$$1;
 
-      createClass$1(JamilihMap, [{
-          key: 'get',
-          value: function get$$1(elem) {
-              elem = typeof elem === 'string' ? $(elem) : elem;
-              return get$1(JamilihMap.prototype.__proto__ || Object.getPrototypeOf(JamilihMap.prototype), 'get', this).call(this, elem);
-          }
-      }, {
-          key: 'set',
-          value: function set$$1(elem, value) {
-              elem = typeof elem === 'string' ? $(elem) : elem;
-              return get$1(JamilihMap.prototype.__proto__ || Object.getPrototypeOf(JamilihMap.prototype), 'set', this).call(this, elem, value);
-          }
-      }, {
-          key: 'invoke',
-          value: function invoke(elem, methodName) {
-              var _get;
+        elem = typeof elem === 'string' ? $(elem) : elem;
 
-              elem = typeof elem === 'string' ? $(elem) : elem;
+        for (var _len3 = arguments.length, args = Array(_len3 > 2 ? _len3 - 2 : 0), _key3 = 2; _key3 < _len3; _key3++) {
+          args[_key3 - 2] = arguments[_key3];
+        }
 
-              for (var _len3 = arguments.length, args = Array(_len3 > 2 ? _len3 - 2 : 0), _key3 = 2; _key3 < _len3; _key3++) {
-                  args[_key3 - 2] = arguments[_key3];
-              }
-
-              return (_get = this.get(elem))[methodName].apply(_get, [elem].concat(args));
-          }
-      }]);
-      return JamilihMap;
+        return (_get$$1 = this.get(elem))[methodName].apply(_get$$1, [elem].concat(args));
+      }
+    }]);
+    return JamilihMap;
   }(Map);
 
   var JamilihWeakMap = function (_WeakMap) {
-      inherits$1(JamilihWeakMap, _WeakMap);
+    inherits(JamilihWeakMap, _WeakMap);
 
-      function JamilihWeakMap() {
-          classCallCheck$1(this, JamilihWeakMap);
-          return possibleConstructorReturn$1(this, (JamilihWeakMap.__proto__ || Object.getPrototypeOf(JamilihWeakMap)).apply(this, arguments));
+    function JamilihWeakMap() {
+      classCallCheck(this, JamilihWeakMap);
+      return possibleConstructorReturn(this, (JamilihWeakMap.__proto__ || Object.getPrototypeOf(JamilihWeakMap)).apply(this, arguments));
+    }
+
+    createClass(JamilihWeakMap, [{
+      key: 'get',
+      value: function get$$1(elem) {
+        elem = typeof elem === 'string' ? $(elem) : elem;
+        return get(JamilihWeakMap.prototype.__proto__ || Object.getPrototypeOf(JamilihWeakMap.prototype), 'get', this).call(this, elem);
       }
+    }, {
+      key: 'set',
+      value: function set$$1(elem, value) {
+        elem = typeof elem === 'string' ? $(elem) : elem;
+        return get(JamilihWeakMap.prototype.__proto__ || Object.getPrototypeOf(JamilihWeakMap.prototype), 'set', this).call(this, elem, value);
+      }
+    }, {
+      key: 'invoke',
+      value: function invoke(elem, methodName) {
+        var _get2;
 
-      createClass$1(JamilihWeakMap, [{
-          key: 'get',
-          value: function get$$1(elem) {
-              elem = typeof elem === 'string' ? $(elem) : elem;
-              return get$1(JamilihWeakMap.prototype.__proto__ || Object.getPrototypeOf(JamilihWeakMap.prototype), 'get', this).call(this, elem);
-          }
-      }, {
-          key: 'set',
-          value: function set$$1(elem, value) {
-              elem = typeof elem === 'string' ? $(elem) : elem;
-              return get$1(JamilihWeakMap.prototype.__proto__ || Object.getPrototypeOf(JamilihWeakMap.prototype), 'set', this).call(this, elem, value);
-          }
-      }, {
-          key: 'invoke',
-          value: function invoke(elem, methodName) {
-              var _get2;
+        elem = typeof elem === 'string' ? $(elem) : elem;
 
-              elem = typeof elem === 'string' ? $(elem) : elem;
+        for (var _len4 = arguments.length, args = Array(_len4 > 2 ? _len4 - 2 : 0), _key4 = 2; _key4 < _len4; _key4++) {
+          args[_key4 - 2] = arguments[_key4];
+        }
 
-              for (var _len4 = arguments.length, args = Array(_len4 > 2 ? _len4 - 2 : 0), _key4 = 2; _key4 < _len4; _key4++) {
-                  args[_key4 - 2] = arguments[_key4];
-              }
-
-              return (_get2 = this.get(elem))[methodName].apply(_get2, [elem].concat(args));
-          }
-      }]);
-      return JamilihWeakMap;
+        return (_get2 = this.get(elem))[methodName].apply(_get2, [elem].concat(args));
+      }
+    }]);
+    return JamilihWeakMap;
   }(WeakMap);
 
   jml.Map = JamilihMap;
   jml.WeakMap = JamilihWeakMap;
 
   jml.weak = function (obj) {
-      var map = new JamilihWeakMap();
+    var map = new JamilihWeakMap();
 
-      for (var _len5 = arguments.length, args = Array(_len5 > 1 ? _len5 - 1 : 0), _key5 = 1; _key5 < _len5; _key5++) {
-          args[_key5 - 1] = arguments[_key5];
-      }
+    for (var _len5 = arguments.length, args = Array(_len5 > 1 ? _len5 - 1 : 0), _key5 = 1; _key5 < _len5; _key5++) {
+      args[_key5 - 1] = arguments[_key5];
+    }
 
-      var elem = jml.apply(undefined, [{ $map: [map, obj] }].concat(args));
-      return [map, elem];
+    var elem = jml.apply(undefined, [{
+      $map: [map, obj]
+    }].concat(args));
+    return [map, elem];
   };
 
   jml.strong = function (obj) {
-      var map = new JamilihMap();
+    var map = new JamilihMap();
 
-      for (var _len6 = arguments.length, args = Array(_len6 > 1 ? _len6 - 1 : 0), _key6 = 1; _key6 < _len6; _key6++) {
-          args[_key6 - 1] = arguments[_key6];
-      }
+    for (var _len6 = arguments.length, args = Array(_len6 > 1 ? _len6 - 1 : 0), _key6 = 1; _key6 < _len6; _key6++) {
+      args[_key6 - 1] = arguments[_key6];
+    }
 
-      var elem = jml.apply(undefined, [{ $map: [map, obj] }].concat(args));
-      return [map, elem];
+    var elem = jml.apply(undefined, [{
+      $map: [map, obj]
+    }].concat(args));
+    return [map, elem];
   };
 
   jml.symbol = jml.sym = jml.for = function (elem, sym) {
-      elem = typeof elem === 'string' ? $(elem) : elem;
-      return elem[(typeof sym === 'undefined' ? 'undefined' : _typeof$1(sym)) === 'symbol' ? sym : Symbol.for(sym)];
+    elem = typeof elem === 'string' ? $(elem) : elem;
+    return elem[(typeof sym === 'undefined' ? 'undefined' : _typeof$1(sym)) === 'symbol' ? sym : Symbol.for(sym)];
   };
 
   jml.command = function (elem, symOrMap, methodName) {
-      elem = typeof elem === 'string' ? $(elem) : elem;
-      var func = void 0;
+    elem = typeof elem === 'string' ? $(elem) : elem;
+    var func = void 0;
 
-      for (var _len7 = arguments.length, args = Array(_len7 > 3 ? _len7 - 3 : 0), _key7 = 3; _key7 < _len7; _key7++) {
-          args[_key7 - 3] = arguments[_key7];
+    for (var _len7 = arguments.length, args = Array(_len7 > 3 ? _len7 - 3 : 0), _key7 = 3; _key7 < _len7; _key7++) {
+      args[_key7 - 3] = arguments[_key7];
+    }
+
+    if (['symbol', 'string'].includes(typeof symOrMap === 'undefined' ? 'undefined' : _typeof$1(symOrMap))) {
+      var _func;
+
+      func = jml.sym(elem, symOrMap);
+
+      if (typeof func === 'function') {
+        return func.apply(undefined, [methodName].concat(args)); // Already has `this` bound to `elem`
       }
 
-      if (['symbol', 'string'].includes(typeof symOrMap === 'undefined' ? 'undefined' : _typeof$1(symOrMap))) {
-          var _func;
+      return (_func = func)[methodName].apply(_func, args);
+    } else {
+      var _func3;
 
-          func = jml.sym(elem, symOrMap);
-          if (typeof func === 'function') {
-              return func.apply(undefined, [methodName].concat(args)); // Already has `this` bound to `elem`
-          }
-          return (_func = func)[methodName].apply(_func, args);
-      } else {
-          var _func3;
+      func = symOrMap.get(elem);
 
-          func = symOrMap.get(elem);
-          if (typeof func === 'function') {
-              var _func2;
+      if (typeof func === 'function') {
+        var _func2;
 
-              return (_func2 = func).call.apply(_func2, [elem, methodName].concat(args));
-          }
-          return (_func3 = func)[methodName].apply(_func3, [elem].concat(args));
+        return (_func2 = func).call.apply(_func2, [elem, methodName].concat(args));
       }
-      // return func[methodName].call(elem, ...args);
+
+      return (_func3 = func)[methodName].apply(_func3, [elem].concat(args));
+    } // return func[methodName].call(elem, ...args);
+
   };
 
   jml.setWindow = function (wind) {
-      win = wind;
+    win = wind;
   };
+
   jml.setDocument = function (docum) {
-      doc = docum;
-      if (docum && docum.body) {
-          body = docum.body;
-      }
+    doc = docum;
+
+    if (docum && docum.body) {
+      body = docum.body;
+    }
   };
+
   jml.setXMLSerializer = function (xmls) {
-      XmlSerializer = xmls;
+    XmlSerializer = xmls;
   };
 
   jml.getWindow = function () {
-      return win;
+    return win;
   };
+
   jml.getDocument = function () {
-      return doc;
+    return doc;
   };
+
   jml.getXMLSerializer = function () {
-      return XmlSerializer;
+    return XmlSerializer;
   };
 
   var body = doc && doc.body;
-
   var nbsp = '\xA0'; // Very commonly needed in templates
 
-  function _extendableBuiltin(cls) {
-    function ExtendableBuiltin() {
-      var instance = Reflect.construct(cls, Array.from(arguments));
-      Object.setPrototypeOf(instance, Object.getPrototypeOf(this));
-      return instance;
+  const LOAD = 'load';
+  const DOM_CONTENT_LOADED = 'DOMContentLoaded';
+
+  class QueryResult extends Array {}
+
+  const search = (list, el) => {
+    const nodes = [];
+
+    for (const CSS of list) {
+      const css = CSS.trim();
+
+      if (css.slice(-6) === ':first') {
+        const node = el.querySelector(css.slice(0, -6));
+        if (node) nodes.push(node);
+      } else for (const node of el.querySelectorAll(css)) nodes.push(node);
     }
 
-    ExtendableBuiltin.prototype = Object.create(cls.prototype, {
-      constructor: {
-        value: cls,
-        enumerable: false,
-        writable: true,
-        configurable: true
-      }
-    });
-
-    if (Object.setPrototypeOf) {
-      Object.setPrototypeOf(ExtendableBuiltin, cls);
-    } else {
-      ExtendableBuiltin.__proto__ = cls;
-    }
-
-    return ExtendableBuiltin;
-  }
-
-  var LOAD = 'load';
-  var DOM_CONTENT_LOADED = 'DOMContentLoaded';
-
-  var QueryResult = function (_extendableBuiltin2) {
-    inherits(QueryResult, _extendableBuiltin2);
-
-    function QueryResult() {
-      classCallCheck(this, QueryResult);
-      return possibleConstructorReturn(this, (QueryResult.__proto__ || Object.getPrototypeOf(QueryResult)).apply(this, arguments));
-    }
-
-    return QueryResult;
-  }(_extendableBuiltin(Array));
-
-  var search = function search(list, el) {
-    var nodes = [];
-    var _iteratorNormalCompletion = true;
-    var _didIteratorError = false;
-    var _iteratorError = undefined;
-
-    try {
-      for (var _iterator = list[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
-        var CSS = _step.value;
-
-        var css = CSS.trim();
-        if (css.slice(-6) === ':first') {
-          var node = el.querySelector(css.slice(0, -6));
-          if (node) nodes.push(node);
-        } else {
-          var _iteratorNormalCompletion2 = true;
-          var _didIteratorError2 = false;
-          var _iteratorError2 = undefined;
-
-          try {
-            for (var _iterator2 = el.querySelectorAll(css)[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
-              var _node = _step2.value;
-
-              nodes.push(_node);
-            }
-          } catch (err) {
-            _didIteratorError2 = true;
-            _iteratorError2 = err;
-          } finally {
-            try {
-              if (!_iteratorNormalCompletion2 && _iterator2.return) {
-                _iterator2.return();
-              }
-            } finally {
-              if (_didIteratorError2) {
-                throw _iteratorError2;
-              }
-            }
-          }
-        }
-      }
-    } catch (err) {
-      _didIteratorError = true;
-      _iteratorError = err;
-    } finally {
-      try {
-        if (!_iteratorNormalCompletion && _iterator.return) {
-          _iterator.return();
-        }
-      } finally {
-        if (_didIteratorError) {
-          throw _iteratorError;
-        }
-      }
-    }
-
-    return new (Function.prototype.bind.apply(QueryResult, [null].concat(nodes)))();
+    return new QueryResult(...nodes);
   };
-  var defineProperty$1 = Object.defineProperty;
 
-  var $$1 = defineProperty$1(function (CSS) {
-    var parent = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : document;
-
-    switch (typeof CSS === 'undefined' ? 'undefined' : _typeof(CSS)) {
+  const {
+    defineProperty
+  } = Object;
+  const $$1 = defineProperty((CSS, parent = document) => {
+    switch (typeof CSS) {
       case 'string':
         return search(CSS.split(','), parent);
+
       case 'object':
-        return new (Function.prototype.bind.apply(QueryResult, [null].concat(toConsumableArray('nodeType' in CSS || 'postMessage' in CSS ? [CSS] : CSS))))();
+        return new QueryResult(...('nodeType' in CSS || 'postMessage' in CSS ? [CSS] : CSS));
+
       case 'function':
-        var $parent = $$1(parent);
-        var $window = $$1(parent.defaultView);
-        var handler = {
-          handleEvent: function handleEvent(event) {
+        const $parent = $$1(parent);
+        const $window = $$1(parent.defaultView);
+        const handler = {
+          handleEvent(event) {
             $parent.off(DOM_CONTENT_LOADED, handler);
             $window.off(LOAD, handler);
             CSS(event);
           }
+
         };
         $parent.on(DOM_CONTENT_LOADED, handler);
         $window.on(LOAD, handler);
-        var rs = parent.readyState;
-        if (rs == 'complete' || rs != 'loading' && !parent.documentElement.doScroll) setTimeout(function () {
-          return $parent.dispatch(DOM_CONTENT_LOADED);
-        });
+        const rs = parent.readyState;
+        if (rs == 'complete' || rs != 'loading' && !parent.documentElement.doScroll) setTimeout(() => $parent.dispatch(DOM_CONTENT_LOADED));
         return $$1;
     }
-  }, Symbol.hasInstance, { value: function value(instance) {
-      return instance instanceof QueryResult;
-    } });
-  $$1.extend = function (key, value) {
-    return defineProperty$1(QueryResult.prototype, key, { configurable: true, value: value }), $$1;
-  };
-  $$1.extend('dispatch', function dispatch(type) {
-    var init = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+  }, Symbol.hasInstance, {
+    value: instance => instance instanceof QueryResult
+  });
 
-    var event = new CustomEvent(type, init);
-    var _iteratorNormalCompletion3 = true;
-    var _didIteratorError3 = false;
-    var _iteratorError3 = undefined;
+  $$1.extend = (key, value) => (defineProperty(QueryResult.prototype, key, {
+    configurable: true,
+    value
+  }), $$1);
 
-    try {
-      for (var _iterator3 = this[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {
-        var node = _step3.value;
-        node.dispatchEvent(event);
-      }
-    } catch (err) {
-      _didIteratorError3 = true;
-      _iteratorError3 = err;
-    } finally {
-      try {
-        if (!_iteratorNormalCompletion3 && _iterator3.return) {
-          _iterator3.return();
-        }
-      } finally {
-        if (_didIteratorError3) {
-          throw _iteratorError3;
-        }
-      }
-    }
+  $$1.extend('dispatch', function dispatch(type, init = {}) {
+    const event = new CustomEvent(type, init);
+
+    for (const node of this) node.dispatchEvent(event);
 
     return this;
-  }).extend('off', function off(type, handler) {
-    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
-    var _iteratorNormalCompletion4 = true;
-    var _didIteratorError4 = false;
-    var _iteratorError4 = undefined;
-
-    try {
-      for (var _iterator4 = this[Symbol.iterator](), _step4; !(_iteratorNormalCompletion4 = (_step4 = _iterator4.next()).done); _iteratorNormalCompletion4 = true) {
-        var node = _step4.value;
-        node.removeEventListener(type, handler, options);
-      }
-    } catch (err) {
-      _didIteratorError4 = true;
-      _iteratorError4 = err;
-    } finally {
-      try {
-        if (!_iteratorNormalCompletion4 && _iterator4.return) {
-          _iterator4.return();
-        }
-      } finally {
-        if (_didIteratorError4) {
-          throw _iteratorError4;
-        }
-      }
-    }
+  }).extend('off', function off(type, handler, options = false) {
+    for (const node of this) node.removeEventListener(type, handler, options);
 
     return this;
-  }).extend('on', function on(type, handler) {
-    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
-    var _iteratorNormalCompletion5 = true;
-    var _didIteratorError5 = false;
-    var _iteratorError5 = undefined;
-
-    try {
-      for (var _iterator5 = this[Symbol.iterator](), _step5; !(_iteratorNormalCompletion5 = (_step5 = _iterator5.next()).done); _iteratorNormalCompletion5 = true) {
-        var node = _step5.value;
-        node.addEventListener(type, handler, options);
-      }
-    } catch (err) {
-      _didIteratorError5 = true;
-      _iteratorError5 = err;
-    } finally {
-      try {
-        if (!_iteratorNormalCompletion5 && _iterator5.return) {
-          _iterator5.return();
-        }
-      } finally {
-        if (_didIteratorError5) {
-          throw _iteratorError5;
-        }
-      }
-    }
+  }).extend('on', function on(type, handler, options = false) {
+    for (const node of this) node.addEventListener(type, handler, options);
 
     return this;
   });
 
+  function _typeof$2(obj) {
+    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
+      _typeof$2 = function (obj) {
+        return typeof obj;
+      };
+    } else {
+      _typeof$2 = function (obj) {
+        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+      };
+    }
+
+    return _typeof$2(obj);
+  }
+
+  function _toConsumableArray$1(arr) {
+    return _arrayWithoutHoles$1(arr) || _iterableToArray$1(arr) || _nonIterableSpread$1();
+  }
+
+  function _arrayWithoutHoles$1(arr) {
+    if (Array.isArray(arr)) {
+      for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+
+      return arr2;
+    }
+  }
+
+  function _iterableToArray$1(iter) {
+    if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+  }
+
+  function _nonIterableSpread$1() {
+    throw new TypeError("Invalid attempt to spread non-iterable instance");
+  }
+
   function convertToString(type, content) {
-    switch (typeof content === 'undefined' ? 'undefined' : _typeof(content)) {
+    switch (_typeof$2(content)) {
       case 'object':
         {
           if (!content) {
             throw new TypeError('Cannot supply `null`');
           }
+
           switch (content.nodeType) {
             case 1:
               {
                 // ELEMENT
                 return content.outerHTML;
               }
+
             case 3:
               {
                 // TEXT
                 return content.nodeValue;
               }
+
             case 11:
               {
                 // DOCUMENT_FRAGMENT_NODE
-                return [].concat(toConsumableArray(content.childNodes)).reduce(function (s, node) {
+                return _toConsumableArray$1(content.childNodes).reduce(function (s, node) {
                   return s + convertToString(type, node);
                 }, '');
               }
-          }
-          // Todo: array of elements/text nodes (or Jamilih array?), QueryResult objects?
+          } // Todo: array of elements/text nodes (or Jamilih array?), QueryResult objects?
+
+
           return;
         }
+
       case 'string':
         {
           return content;
         }
+
       default:
-        throw new TypeError('Bad content for ' + type + '; type: ' + (typeof content === 'undefined' ? 'undefined' : _typeof(content)));
+        throw new TypeError('Bad content for ' + type + '; type: ' + _typeof$2(content));
     }
   }
+
   function convertToDOM(type, content, avoidClone) {
-    switch (typeof content === 'undefined' ? 'undefined' : _typeof(content)) {
+    switch (_typeof$2(content)) {
       case 'object':
         {
           if (!content) {
             throw new TypeError('Cannot supply `null`');
           }
+
           if ([1, // ELEMENT
           3, // TEXT
           11 // Document fragment
           ].includes(content.nodeType)) {
             return avoidClone ? content : content.cloneNode(true);
-          }
-          // Todo: array of elements/text nodes (or Jamilih array?), QueryResult objects?
+          } // Todo: array of elements/text nodes (or Jamilih array?), QueryResult objects?
+
+
           return;
         }
+
       case 'string':
         {
           var div = document.createElement('div');
           div.innerHTML = content;
           return div.firstElementChild || div.firstChild;
         }
+
       default:
-        throw new TypeError('Bad content for ' + type + '; type: ' + (typeof content === 'undefined' ? 'undefined' : _typeof(content)));
+        throw new TypeError('Bad content for ' + type + '; type: ' + _typeof$2(content));
     }
   }
 
@@ -2030,13 +2223,13 @@
     return function () {
       var _this = this;
 
-      for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
         args[_key] = arguments[_key];
       }
 
       var cbOrContent = args[0];
 
-      switch (typeof cbOrContent === 'undefined' ? 'undefined' : _typeof(cbOrContent)) {
+      switch (_typeof$2(cbOrContent)) {
         case 'function':
           {
             this.forEach(function (node, i) {
@@ -2045,16 +2238,18 @@
             });
             break;
           }
+
         default:
           {
             this.forEach(function (node) {
-              node[type].apply(node, toConsumableArray(args.map(function (content, i) {
+              node[type].apply(node, _toConsumableArray$1(args.map(function (content, i) {
                 return convertToDOM(type, content, i === args.length - 1);
               })));
             });
             break;
           }
       }
+
       return this;
     };
   }
@@ -2063,7 +2258,7 @@
     return function (cbOrContent) {
       var _this2 = this;
 
-      switch (typeof cbOrContent === 'undefined' ? 'undefined' : _typeof(cbOrContent)) {
+      switch (_typeof$2(cbOrContent)) {
         case 'function':
           {
             this.forEach(function (node, i) {
@@ -2072,6 +2267,7 @@
             });
             break;
           }
+
         default:
           {
             this.forEach(function (node) {
@@ -2080,6 +2276,7 @@
             break;
           }
       }
+
       return this;
     };
   }
@@ -2091,17 +2288,25 @@
   var html = insertText('innerHTML');
   var text = insertText('textContent');
 
-  var methods = { after: after, before: before, append: append, prepend: prepend, html: html, text: text };
+  var methods = {
+    after: after,
+    before: before,
+    append: append,
+    prepend: prepend,
+    html: html,
+    text: text
+  };
 
   var manipulation = function manipulation($, jml) {
     ['after', 'before', 'append', 'prepend', 'html', 'text'].forEach(function (method) {
       $.extend(method, methods[method]);
     });
+
     if (jml) {
       $.extend('jml', function () {
-        var _this3 = this;
+        var _this5 = this;
 
-        for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+        for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
           args[_key2] = arguments[_key2];
         }
 
@@ -2109,31 +2314,43 @@
           while (node.hasChildNodes()) {
             node.firstChild.remove();
           }
-          var n = jml.apply(undefined, args);
-          return append.call(_this3, n);
+
+          var n = jml.apply(void 0, args);
+          return append.call(_this5, n);
         });
       });
     }
+
     return $;
   };
 
-  var processResults = function () {
-    var _ref = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(url) {
+  manipulation($$1, jml);
+  var baseAPIURL = 'https://openclipart.org/search/json/';
+
+  function processResults(_x) {
+    return _processResults.apply(this, arguments);
+  }
+
+  function _processResults() {
+    _processResults = _asyncToGenerator(
+    /*#__PURE__*/
+    regeneratorRuntime.mark(function _callee3(url) {
       var queryLink, r, json, payload, _json$info, numResults, pages, currentPage, semiColonSep;
 
-      return regeneratorRuntime.wrap(function _callee2$(_context2) {
+      return regeneratorRuntime.wrap(function _callee3$(_context3) {
         while (1) {
-          switch (_context2.prev = _context2.next) {
+          switch (_context3.prev = _context3.next) {
             case 0:
-              queryLink = function queryLink(query) {
+              queryLink = function _ref4(query) {
                 return ['a', {
                   href: 'javascript: void(0);',
-                  dataset: { value: query },
+                  dataset: {
+                    value: query
+                  },
                   $on: {
                     click: function click(e) {
                       e.preventDefault();
                       var value = this.dataset.value;
-
                       $$1('#query')[0].$set(value);
                       $$1('#openclipart')[0].$submit();
                     }
@@ -2141,33 +2358,29 @@
                 }, [query]];
               };
 
-              _context2.next = 3;
+              _context3.next = 3;
               return fetch(url);
 
             case 3:
-              r = _context2.sent;
-              _context2.next = 6;
+              r = _context3.sent;
+              _context3.next = 6;
               return r.json();
 
             case 6:
-              json = _context2.sent;
-
+              json = _context3.sent;
               console.log('json', json);
 
               if (!(!json || json.msg !== 'success')) {
-                _context2.next = 11;
+                _context3.next = 11;
                 break;
               }
 
               alert('There was a problem downloading the results');
-              return _context2.abrupt('return');
+              return _context3.abrupt("return");
 
             case 11:
-              payload = json.payload, _json$info = json.info, numResults = _json$info.results, pages = _json$info.pages, currentPage = _json$info.current_page;
-
-              // $('#page')[0].value = currentPage;
+              payload = json.payload, _json$info = json.info, numResults = _json$info.results, pages = _json$info.pages, currentPage = _json$info.current_page; // $('#page')[0].value = currentPage;
               // $('#page')[0].max = pages;
-
               // Unused properties:
               // - `svg_filesize` always 0?
               // - `dimensions: {
@@ -2178,33 +2391,38 @@
               // - `svg`'s: `png_thumb`, `png_full_lossy`, `png_2400px`
 
               semiColonSep = '; ' + nbsp;
-
-              $$1('#results').jml('div', [['span', ['Number of results: ', numResults]], semiColonSep, ['span', ['page ', currentPage, ' out of ', pages]]].concat(toConsumableArray(payload.map(function (_ref2) {
-                var title = _ref2.title,
-                    description = _ref2.description,
-                    id = _ref2.id,
-                    uploader = _ref2.uploader,
-                    created = _ref2.created,
-                    svgURL = _ref2.svg.url,
-                    detailLink = _ref2.detail_link,
-                    tagsArray = _ref2.tags_array,
-                    downloadedBy = _ref2.downloaded_by,
-                    totalFavorites = _ref2.total_favorites;
-
+              $$1('#results').jml('div', [['span', ['Number of results: ', numResults]], semiColonSep, ['span', ['page ', currentPage, ' out of ', pages]]].concat(_toConsumableArray(payload.map(function (_ref3) {
+                var title = _ref3.title,
+                    description = _ref3.description,
+                    id = _ref3.id,
+                    uploader = _ref3.uploader,
+                    created = _ref3.created,
+                    svgURL = _ref3.svg.url,
+                    detailLink = _ref3.detail_link,
+                    tagsArray = _ref3.tags_array,
+                    downloadedBy = _ref3.downloaded_by,
+                    totalFavorites = _ref3.total_favorites;
                 var imgHW = '100px';
                 var colonSep = ': ' + nbsp;
-                return ['div', [['button', { style: 'margin-right: 8px; border: 2px solid black;', dataset: { id: id, value: svgURL }, $on: {
+                return ['div', [['button', {
+                  style: 'margin-right: 8px; border: 2px solid black;',
+                  dataset: {
+                    id: id,
+                    value: svgURL
+                  },
+                  $on: {
                     click: function () {
-                      var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(e) {
-                        var _dataset, svgURL, id, post, result, svg;
+                      var _click = _asyncToGenerator(
+                      /*#__PURE__*/
+                      regeneratorRuntime.mark(function _callee2(e) {
+                        var _this$dataset, svgURL, id, post, result, svg;
 
-                        return regeneratorRuntime.wrap(function _callee$(_context) {
+                        return regeneratorRuntime.wrap(function _callee2$(_context2) {
                           while (1) {
-                            switch (_context.prev = _context.next) {
+                            switch (_context2.prev = _context2.next) {
                               case 0:
                                 e.preventDefault();
-                                _dataset = this.dataset, svgURL = _dataset.value, id = _dataset.id;
-
+                                _this$dataset = this.dataset, svgURL = _this$dataset.value, id = _this$dataset.id;
                                 console.log('this', id, svgURL);
 
                                 post = function post(message) {
@@ -2213,25 +2431,23 @@
                                   window.parent.postMessage(JSON.stringify(_extends({
                                     namespace: 'imagelib'
                                   }, message)), '*');
-                                };
-                                // Send metadata (also indicates file is about to be sent)
+                                }; // Send metadata (also indicates file is about to be sent)
 
 
                                 post({
                                   name: title,
                                   id: svgURL
                                 });
-                                _context.next = 7;
+                                _context2.next = 7;
                                 return fetch(svgURL);
 
                               case 7:
-                                result = _context.sent;
-                                _context.next = 10;
+                                result = _context2.sent;
+                                _context2.next = 10;
                                 return result.text();
 
                               case 10:
-                                svg = _context.sent;
-
+                                svg = _context2.sent;
                                 console.log('h', svgURL, svg);
                                 post({
                                   href: svgURL,
@@ -2239,30 +2455,32 @@
                                 });
 
                               case 13:
-                              case 'end':
-                                return _context.stop();
+                              case "end":
+                                return _context2.stop();
                             }
                           }
-                        }, _callee, this);
+                        }, _callee2, this);
                       }));
 
-                      function click(_x2) {
-                        return _ref3.apply(this, arguments);
-                      }
-
-                      return click;
+                      return function click(_x2) {
+                        return _click.apply(this, arguments);
+                      };
                     }()
-                  } }, [
-                // If we wanted interactive versions despite security risk:
+                  }
+                }, [// If we wanted interactive versions despite security risk:
                 // ['object', {data: svgURL, type: 'image/svg+xml'}]
-                ['img', { src: svgURL, style: 'width: ' + imgHW + '; height: ' + imgHW + ';' }]]], ['b', [title]], ' ', ['i', [description]], ' ', ['span', ['(ID: ', ['a', {
+                ['img', {
+                  src: svgURL,
+                  style: "width: ".concat(imgHW, "; height: ").concat(imgHW, ";")
+                }]]], ['b', [title]], ' ', ['i', [description]], ' ', ['span', ['(ID: ', ['a', {
                   href: 'javascript: void(0);',
-                  dataset: { value: id },
+                  dataset: {
+                    value: id
+                  },
                   $on: {
                     click: function click(e) {
                       e.preventDefault();
                       var value = this.dataset.value;
-
                       $$1('#byids')[0].$set(value);
                       $$1('#openclipart')[0].$submit();
                     }
@@ -2270,7 +2488,7 @@
                 }, [id]], ')']], ' ', ['i', [['a', {
                   href: detailLink,
                   target: '_blank'
-                }, ['Details']]]], ['br'], ['span', [['u', ['Uploaded by']], colonSep, queryLink(uploader), semiColonSep]], ['span', [['u', ['Download count']], colonSep, downloadedBy, semiColonSep]], ['span', [['u', ['Times used as favorite']], colonSep, totalFavorites, semiColonSep]], ['span', [['u', ['Created date']], colonSep, created]], ['br'], ['u', ['Tags']], colonSep].concat(toConsumableArray(tagsArray.map(function (tag) {
+                }, ['Details']]]], ['br'], ['span', [['u', ['Uploaded by']], colonSep, queryLink(uploader), semiColonSep]], ['span', [['u', ['Download count']], colonSep, downloadedBy, semiColonSep]], ['span', [['u', ['Times used as favorite']], colonSep, totalFavorites, semiColonSep]], ['span', [['u', ['Created date']], colonSep, created]], ['br'], ['u', ['Tags']], colonSep].concat(_toConsumableArray(tagsArray.map(function (tag) {
                   return ['span', [' ', queryLink(tag)]];
                 })))];
               })), [['br'], ['br'], currentPage === 1 || pages <= 2 ? '' : ['span', [['a', {
@@ -2312,33 +2530,28 @@
               }, ['Last']], ' ']]]));
 
             case 14:
-            case 'end':
-              return _context2.stop();
+            case "end":
+              return _context3.stop();
           }
         }
-      }, _callee2, this);
+      }, _callee3, this);
     }));
+    return _processResults.apply(this, arguments);
+  }
 
-    return function processResults(_x) {
-      return _ref.apply(this, arguments);
-    };
-  }();
-  manipulation($$1, jml);
-
-  var baseAPIURL = 'https://openclipart.org/search/json/';
-
-  jml('div', [['style', ['.control {\n      padding-top: 10px;\n    }']], ['form', {
+  jml('div', [['style', [".control {\n      padding-top: 10px;\n    }"]], ['form', {
     id: 'openclipart',
     $custom: {
       $submit: function () {
-        var _ref4 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee3() {
+        var _$submit = _asyncToGenerator(
+        /*#__PURE__*/
+        regeneratorRuntime.mark(function _callee() {
           var url;
-          return regeneratorRuntime.wrap(function _callee3$(_context3) {
+          return regeneratorRuntime.wrap(function _callee$(_context) {
             while (1) {
-              switch (_context3.prev = _context3.next) {
+              switch (_context.prev = _context.next) {
                 case 0:
                   url = new URL(baseAPIURL);
-
                   ['query', 'sort', 'amount', 'page', 'byids'].forEach(function (prop) {
                     var value = $$1('#' + prop)[0].value;
 
@@ -2346,22 +2559,20 @@
                       url.searchParams.set(prop, value);
                     }
                   });
-                  _context3.next = 4;
+                  _context.next = 4;
                   return processResults(url);
 
                 case 4:
-                case 'end':
-                  return _context3.stop();
+                case "end":
+                  return _context.stop();
               }
             }
-          }, _callee3, this);
+          }, _callee, this);
         }));
 
-        function $submit() {
-          return _ref4.apply(this, arguments);
-        }
-
-        return $submit;
+        return function $submit() {
+          return _$submit.apply(this, arguments);
+        };
       }()
     },
     $on: {
@@ -2370,41 +2581,84 @@
         this.$submit();
       }
     }
-  }, [
-  // Todo: i18nize
-  ['fieldset', [['legend', ['Search terms']], ['div', { class: 'control' }, [['label', ['Query (Title, description, uploader, or tag): ', ['input', { id: 'query', name: 'query', placeholder: 'cat', $custom: {
+  }, [// Todo: i18nize
+  ['fieldset', [['legend', ['Search terms']], ['div', {
+    class: 'control'
+  }, [['label', ['Query (Title, description, uploader, or tag): ', ['input', {
+    id: 'query',
+    name: 'query',
+    placeholder: 'cat',
+    $custom: {
       $set: function $set(value) {
         $$1('#byids')[0].value = '';
         this.value = value;
       }
-    }, $on: {
+    },
+    $on: {
       change: function change() {
         $$1('#byids')[0].value = '';
       }
-    } }]]]]], ['br'], ' OR ', ['br'], ['div', { class: 'control' }, [['label', ['IDs (single or comma-separated): ', ['input', { id: 'byids', name: 'ids', placeholder: '271380, 265741', $custom: {
+    }
+  }]]]]], ['br'], ' OR ', ['br'], ['div', {
+    class: 'control'
+  }, [['label', ['IDs (single or comma-separated): ', ['input', {
+    id: 'byids',
+    name: 'ids',
+    placeholder: '271380, 265741',
+    $custom: {
       $set: function $set(value) {
         $$1('#query')[0].value = '';
         this.value = value;
       }
-    }, $on: {
+    },
+    $on: {
       change: function change() {
         $$1('#query')[0].value = '';
       }
-    } }]]]]]]], ['fieldset', [['legend', ['Configuring results']], ['div', { class: 'control' }, [['label', ['Sort by: ', ['select', { id: 'sort' }, [
-  // Todo: i18nize first values
-  ['Date', 'date'], ['Downloads', 'downloads'], ['Favorited', 'favorites']].map(function (_ref5) {
-    var _ref6 = slicedToArray(_ref5, 2),
-        text$$1 = _ref6[0],
-        _ref6$ = _ref6[1],
-        value = _ref6$ === undefined ? text$$1 : _ref6$;
+    }
+  }]]]]]]], ['fieldset', [['legend', ['Configuring results']], ['div', {
+    class: 'control'
+  }, [['label', ['Sort by: ', ['select', {
+    id: 'sort'
+  }, [// Todo: i18nize first values
+  ['Date', 'date'], ['Downloads', 'downloads'], ['Favorited', 'favorites']].map(function (_ref) {
+    var _ref2 = _slicedToArray(_ref, 2),
+        text$$1 = _ref2[0],
+        _ref2$ = _ref2[1],
+        value = _ref2$ === void 0 ? text$$1 : _ref2$;
 
-    return ['option', { value: value }, [text$$1]];
-  })]]]]], ['div', { class: 'control' }, [['label', ['Results per page: ', ['input', {
-    id: 'amount', name: 'amount', value: 10,
-    type: 'number', min: 1, max: 200, step: 1, pattern: '\\d+' }]]]]], ['div', { class: 'control' }, [['label', ['Page number: ', ['input', {
+    return ['option', {
+      value: value
+    }, [text$$1]];
+  })]]]]], ['div', {
+    class: 'control'
+  }, [['label', ['Results per page: ', ['input', {
+    id: 'amount',
+    name: 'amount',
+    value: 10,
+    type: 'number',
+    min: 1,
+    max: 200,
+    step: 1,
+    pattern: '\\d+'
+  }]]]]], ['div', {
+    class: 'control'
+  }, [['label', ['Page number: ', ['input', {
     // max: 1, // We'll change this based on available results
-    id: 'page', name: 'page', value: 1, style: 'width: 40px;',
-    type: 'number', min: 1, step: 1, pattern: '\\d+'
-  }]]]]]]], ['div', { class: 'control' }, [['input', { type: 'submit' }]]]]], ['div', { id: 'results' }]], body);
+    id: 'page',
+    name: 'page',
+    value: 1,
+    style: 'width: 40px;',
+    type: 'number',
+    min: 1,
+    step: 1,
+    pattern: '\\d+'
+  }]]]]]]], ['div', {
+    class: 'control'
+  }, [['input', {
+    type: 'submit'
+  }]]]]], ['div', {
+    id: 'results'
+  }]], body);
 
 }());
diff --git a/dist/index-es.js b/dist/index-es.js
index eefbd3eb..37c0951a 100644
--- a/dist/index-es.js
+++ b/dist/index-es.js
@@ -1,17 +1,217 @@
+function _typeof(obj) {
+  if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
+    _typeof = function (obj) {
+      return typeof obj;
+    };
+  } else {
+    _typeof = function (obj) {
+      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+    };
+  }
+
+  return _typeof(obj);
+}
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+  try {
+    var info = gen[key](arg);
+    var value = info.value;
+  } catch (error) {
+    reject(error);
+    return;
+  }
+
+  if (info.done) {
+    resolve(value);
+  } else {
+    Promise.resolve(value).then(_next, _throw);
+  }
+}
+
+function _asyncToGenerator(fn) {
+  return function () {
+    var self = this,
+        args = arguments;
+    return new Promise(function (resolve, reject) {
+      var gen = fn.apply(self, args);
+
+      function _next(value) {
+        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
+      }
+
+      function _throw(err) {
+        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+      }
+
+      _next(undefined);
+    });
+  };
+}
+
+function _classCallCheck(instance, Constructor) {
+  if (!(instance instanceof Constructor)) {
+    throw new TypeError("Cannot call a class as a function");
+  }
+}
+
+function _defineProperties(target, props) {
+  for (var i = 0; i < props.length; i++) {
+    var descriptor = props[i];
+    descriptor.enumerable = descriptor.enumerable || false;
+    descriptor.configurable = true;
+    if ("value" in descriptor) descriptor.writable = true;
+    Object.defineProperty(target, descriptor.key, descriptor);
+  }
+}
+
+function _createClass(Constructor, protoProps, staticProps) {
+  if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+  if (staticProps) _defineProperties(Constructor, staticProps);
+  return Constructor;
+}
+
+function _extends() {
+  _extends = Object.assign || function (target) {
+    for (var i = 1; i < arguments.length; i++) {
+      var source = arguments[i];
+
+      for (var key in source) {
+        if (Object.prototype.hasOwnProperty.call(source, key)) {
+          target[key] = source[key];
+        }
+      }
+    }
+
+    return target;
+  };
+
+  return _extends.apply(this, arguments);
+}
+
+function _inherits(subClass, superClass) {
+  if (typeof superClass !== "function" && superClass !== null) {
+    throw new TypeError("Super expression must either be null or a function");
+  }
+
+  subClass.prototype = Object.create(superClass && superClass.prototype, {
+    constructor: {
+      value: subClass,
+      writable: true,
+      configurable: true
+    }
+  });
+  if (superClass) _setPrototypeOf(subClass, superClass);
+}
+
+function _getPrototypeOf(o) {
+  _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
+    return o.__proto__ || Object.getPrototypeOf(o);
+  };
+  return _getPrototypeOf(o);
+}
+
+function _setPrototypeOf(o, p) {
+  _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
+    o.__proto__ = p;
+    return o;
+  };
+
+  return _setPrototypeOf(o, p);
+}
+
+function _assertThisInitialized(self) {
+  if (self === void 0) {
+    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+  }
+
+  return self;
+}
+
+function _possibleConstructorReturn(self, call) {
+  if (call && (typeof call === "object" || typeof call === "function")) {
+    return call;
+  }
+
+  return _assertThisInitialized(self);
+}
+
+function _slicedToArray(arr, i) {
+  return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();
+}
+
+function _toConsumableArray(arr) {
+  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
+}
+
+function _arrayWithoutHoles(arr) {
+  if (Array.isArray(arr)) {
+    for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+
+    return arr2;
+  }
+}
+
+function _arrayWithHoles(arr) {
+  if (Array.isArray(arr)) return arr;
+}
+
+function _iterableToArray(iter) {
+  if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+}
+
+function _iterableToArrayLimit(arr, i) {
+  var _arr = [];
+  var _n = true;
+  var _d = false;
+  var _e = undefined;
+
+  try {
+    for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+      _arr.push(_s.value);
+
+      if (i && _arr.length === i) break;
+    }
+  } catch (err) {
+    _d = true;
+    _e = err;
+  } finally {
+    try {
+      if (!_n && _i["return"] != null) _i["return"]();
+    } finally {
+      if (_d) throw _e;
+    }
+  }
+
+  return _arr;
+}
+
+function _nonIterableSpread() {
+  throw new TypeError("Invalid attempt to spread non-iterable instance");
+}
+
+function _nonIterableRest() {
+  throw new TypeError("Invalid attempt to destructure non-iterable instance");
+}
+
 // http://ross.posterous.com/2008/08/19/iphone-touch-events-in-javascript/
 function touchHandler(ev) {
   var changedTouches = ev.changedTouches,
       first = changedTouches[0];
-
-
   var type = '';
+
   switch (ev.type) {
     case 'touchstart':
-      type = 'mousedown';break;
+      type = 'mousedown';
+      break;
+
     case 'touchmove':
-      type = 'mousemove';break;
+      type = 'mousemove';
+      break;
+
     case 'touchend':
-      type = 'mouseup';break;
+      type = 'mouseup';
+      break;
+
     default:
       return;
   }
@@ -20,24 +220,29 @@ function touchHandler(ev) {
       screenY = first.screenY,
       clientX = first.clientX,
       clientY = first.clientY;
-
   var simulatedEvent = new MouseEvent(type, {
     // Event interface
     bubbles: true,
     cancelable: true,
     // UIEvent interface
     view: window,
-    detail: 1, // click count
+    detail: 1,
+    // click count
     // MouseEvent interface (customized)
-    screenX: screenX, screenY: screenY, clientX: clientX, clientY: clientY,
+    screenX: screenX,
+    screenY: screenY,
+    clientX: clientX,
+    clientY: clientY,
     // MouseEvent interface (defaults) - these could be removed
     ctrlKey: false,
     altKey: false,
     shiftKey: false,
     metaKey: false,
-    button: 0, // main button (usually left)
+    button: 0,
+    // main button (usually left)
     relatedTarget: null
   });
+
   if (changedTouches.length < 2) {
     first.target.dispatchEvent(simulatedEvent);
     ev.preventDefault();
@@ -49,151 +254,6 @@ document.addEventListener('touchmove', touchHandler, true);
 document.addEventListener('touchend', touchHandler, true);
 document.addEventListener('touchcancel', touchHandler, true);
 
-var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
-  return typeof obj;
-} : function (obj) {
-  return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
-};
-
-var asyncToGenerator = function (fn) {
-  return function () {
-    var gen = fn.apply(this, arguments);
-    return new Promise(function (resolve, reject) {
-      function step(key, arg) {
-        try {
-          var info = gen[key](arg);
-          var value = info.value;
-        } catch (error) {
-          reject(error);
-          return;
-        }
-
-        if (info.done) {
-          resolve(value);
-        } else {
-          return Promise.resolve(value).then(function (value) {
-            step("next", value);
-          }, function (err) {
-            step("throw", err);
-          });
-        }
-      }
-
-      return step("next");
-    });
-  };
-};
-
-var classCallCheck = function (instance, Constructor) {
-  if (!(instance instanceof Constructor)) {
-    throw new TypeError("Cannot call a class as a function");
-  }
-};
-
-var createClass = function () {
-  function defineProperties(target, props) {
-    for (var i = 0; i < props.length; i++) {
-      var descriptor = props[i];
-      descriptor.enumerable = descriptor.enumerable || false;
-      descriptor.configurable = true;
-      if ("value" in descriptor) descriptor.writable = true;
-      Object.defineProperty(target, descriptor.key, descriptor);
-    }
-  }
-
-  return function (Constructor, protoProps, staticProps) {
-    if (protoProps) defineProperties(Constructor.prototype, protoProps);
-    if (staticProps) defineProperties(Constructor, staticProps);
-    return Constructor;
-  };
-}();
-
-var _extends = Object.assign || function (target) {
-  for (var i = 1; i < arguments.length; i++) {
-    var source = arguments[i];
-
-    for (var key in source) {
-      if (Object.prototype.hasOwnProperty.call(source, key)) {
-        target[key] = source[key];
-      }
-    }
-  }
-
-  return target;
-};
-
-var inherits = function (subClass, superClass) {
-  if (typeof superClass !== "function" && superClass !== null) {
-    throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
-  }
-
-  subClass.prototype = Object.create(superClass && superClass.prototype, {
-    constructor: {
-      value: subClass,
-      enumerable: false,
-      writable: true,
-      configurable: true
-    }
-  });
-  if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
-};
-
-var possibleConstructorReturn = function (self, call) {
-  if (!self) {
-    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
-  }
-
-  return call && (typeof call === "object" || typeof call === "function") ? call : self;
-};
-
-var slicedToArray = function () {
-  function sliceIterator(arr, i) {
-    var _arr = [];
-    var _n = true;
-    var _d = false;
-    var _e = undefined;
-
-    try {
-      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
-        _arr.push(_s.value);
-
-        if (i && _arr.length === i) break;
-      }
-    } catch (err) {
-      _d = true;
-      _e = err;
-    } finally {
-      try {
-        if (!_n && _i["return"]) _i["return"]();
-      } finally {
-        if (_d) throw _e;
-      }
-    }
-
-    return _arr;
-  }
-
-  return function (arr, i) {
-    if (Array.isArray(arr)) {
-      return arr;
-    } else if (Symbol.iterator in Object(arr)) {
-      return sliceIterator(arr, i);
-    } else {
-      throw new TypeError("Invalid attempt to destructure non-iterable instance");
-    }
-  };
-}();
-
-var toConsumableArray = function (arr) {
-  if (Array.isArray(arr)) {
-    for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
-
-    return arr2;
-  } else {
-    return Array.from(arr);
-  }
-};
-
 /**
  * Namespaces or tools therefor
  * @module namespaces
@@ -214,16 +274,17 @@ var NS = {
   XLINK: 'http://www.w3.org/1999/xlink',
   XML: 'http://www.w3.org/XML/1998/namespace',
   XMLNS: 'http://www.w3.org/2000/xmlns/' // see http://www.w3.org/TR/REC-xml-names/#xmlReserved
-};
 
+};
 /**
 * @function module:namespaces.getReverseNS
 * @returns {string} The NS with key values switched and lowercase
 */
+
 var getReverseNS = function getReverseNS() {
   var reverseNS = {};
   Object.entries(NS).forEach(function (_ref) {
-    var _ref2 = slicedToArray(_ref, 2),
+    var _ref2 = _slicedToArray(_ref, 2),
         name = _ref2[0],
         URI = _ref2[1];
 
@@ -241,6 +302,7 @@ var getReverseNS = function getReverseNS() {
     SVGPathSegCurvetoCubicSmoothAbs, SVGPathSegCurvetoQuadraticRel,
     SVGPathSegCurvetoQuadraticAbs, SVGPathSegCurvetoQuadraticSmoothRel,
     SVGPathSegCurvetoQuadraticSmoothAbs, SVGPathSegArcRel, SVGPathSegArcAbs */
+
 /**
 * SVGPathSeg API polyfill
 * https://github.com/progers/pathseg
@@ -253,30 +315,31 @@ var getReverseNS = function getReverseNS() {
 (function () {
   if (!('SVGPathSeg' in window)) {
     // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSeg
-    var _SVGPathSeg = function () {
+    var _SVGPathSeg =
+    /*#__PURE__*/
+    function () {
       function _SVGPathSeg(type, typeAsLetter, owningPathSegList) {
-        classCallCheck(this, _SVGPathSeg);
+        _classCallCheck(this, _SVGPathSeg);
 
         this.pathSegType = type;
         this.pathSegTypeAsLetter = typeAsLetter;
         this._owningPathSegList = owningPathSegList;
-      }
-      // Notify owning PathSegList on any changes so they can be synchronized back to the path element.
+      } // Notify owning PathSegList on any changes so they can be synchronized back to the path element.
 
 
-      createClass(_SVGPathSeg, [{
-        key: '_segmentChanged',
+      _createClass(_SVGPathSeg, [{
+        key: "_segmentChanged",
         value: function _segmentChanged() {
           if (this._owningPathSegList) {
             this._owningPathSegList.segmentChanged(this);
           }
         }
       }]);
+
       return _SVGPathSeg;
     }();
 
     _SVGPathSeg.prototype.classname = 'SVGPathSeg';
-
     _SVGPathSeg.PATHSEG_UNKNOWN = 0;
     _SVGPathSeg.PATHSEG_CLOSEPATH = 1;
     _SVGPathSeg.PATHSEG_MOVETO_ABS = 2;
@@ -298,247 +361,401 @@ var getReverseNS = function getReverseNS() {
     _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = 18;
     _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = 19;
 
-    var _SVGPathSegClosePath = function (_SVGPathSeg2) {
-      inherits(_SVGPathSegClosePath, _SVGPathSeg2);
+    var _SVGPathSegClosePath =
+    /*#__PURE__*/
+    function (_SVGPathSeg2) {
+      _inherits(_SVGPathSegClosePath, _SVGPathSeg2);
 
       function _SVGPathSegClosePath(owningPathSegList) {
-        classCallCheck(this, _SVGPathSegClosePath);
-        return possibleConstructorReturn(this, (_SVGPathSegClosePath.__proto__ || Object.getPrototypeOf(_SVGPathSegClosePath)).call(this, _SVGPathSeg.PATHSEG_CLOSEPATH, 'z', owningPathSegList));
+        _classCallCheck(this, _SVGPathSegClosePath);
+
+        return _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegClosePath).call(this, _SVGPathSeg.PATHSEG_CLOSEPATH, 'z', owningPathSegList));
       }
 
-      createClass(_SVGPathSegClosePath, [{
-        key: 'toString',
+      _createClass(_SVGPathSegClosePath, [{
+        key: "toString",
         value: function toString() {
           return '[object SVGPathSegClosePath]';
         }
       }, {
-        key: '_asPathString',
+        key: "_asPathString",
         value: function _asPathString() {
           return this.pathSegTypeAsLetter;
         }
       }, {
-        key: 'clone',
+        key: "clone",
         value: function clone() {
           return new _SVGPathSegClosePath(undefined);
         }
       }]);
+
       return _SVGPathSegClosePath;
     }(_SVGPathSeg);
 
-    var _SVGPathSegMovetoAbs = function (_SVGPathSeg3) {
-      inherits(_SVGPathSegMovetoAbs, _SVGPathSeg3);
+    var _SVGPathSegMovetoAbs =
+    /*#__PURE__*/
+    function (_SVGPathSeg3) {
+      _inherits(_SVGPathSegMovetoAbs, _SVGPathSeg3);
 
       function _SVGPathSegMovetoAbs(owningPathSegList, x, y) {
-        classCallCheck(this, _SVGPathSegMovetoAbs);
+        var _this;
 
-        var _this2 = possibleConstructorReturn(this, (_SVGPathSegMovetoAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegMovetoAbs)).call(this, _SVGPathSeg.PATHSEG_MOVETO_ABS, 'M', owningPathSegList));
+        _classCallCheck(this, _SVGPathSegMovetoAbs);
 
-        _this2._x = x;
-        _this2._y = y;
-        return _this2;
+        _this = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegMovetoAbs).call(this, _SVGPathSeg.PATHSEG_MOVETO_ABS, 'M', owningPathSegList));
+        _this._x = x;
+        _this._y = y;
+        return _this;
       }
 
-      createClass(_SVGPathSegMovetoAbs, [{
-        key: 'toString',
+      _createClass(_SVGPathSegMovetoAbs, [{
+        key: "toString",
         value: function toString() {
           return '[object SVGPathSegMovetoAbs]';
         }
       }, {
-        key: '_asPathString',
+        key: "_asPathString",
         value: function _asPathString() {
           return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
         }
       }, {
-        key: 'clone',
+        key: "clone",
         value: function clone() {
           return new _SVGPathSegMovetoAbs(undefined, this._x, this._y);
         }
       }]);
+
       return _SVGPathSegMovetoAbs;
     }(_SVGPathSeg);
 
     Object.defineProperties(_SVGPathSegMovetoAbs.prototype, {
       x: {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
+        set: function set(x) {
+          this._x = x;
+
+          this._segmentChanged();
         },
         enumerable: true
       },
       y: {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
+        set: function set(y) {
+          this._y = y;
+
+          this._segmentChanged();
         },
         enumerable: true
       }
     });
 
-    var _SVGPathSegMovetoRel = function (_SVGPathSeg4) {
-      inherits(_SVGPathSegMovetoRel, _SVGPathSeg4);
+    var _SVGPathSegMovetoRel =
+    /*#__PURE__*/
+    function (_SVGPathSeg4) {
+      _inherits(_SVGPathSegMovetoRel, _SVGPathSeg4);
 
       function _SVGPathSegMovetoRel(owningPathSegList, x, y) {
-        classCallCheck(this, _SVGPathSegMovetoRel);
+        var _this2;
 
-        var _this3 = possibleConstructorReturn(this, (_SVGPathSegMovetoRel.__proto__ || Object.getPrototypeOf(_SVGPathSegMovetoRel)).call(this, _SVGPathSeg.PATHSEG_MOVETO_REL, 'm', owningPathSegList));
+        _classCallCheck(this, _SVGPathSegMovetoRel);
 
-        _this3._x = x;
-        _this3._y = y;
-        return _this3;
+        _this2 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegMovetoRel).call(this, _SVGPathSeg.PATHSEG_MOVETO_REL, 'm', owningPathSegList));
+        _this2._x = x;
+        _this2._y = y;
+        return _this2;
       }
 
-      createClass(_SVGPathSegMovetoRel, [{
-        key: 'toString',
+      _createClass(_SVGPathSegMovetoRel, [{
+        key: "toString",
         value: function toString() {
           return '[object SVGPathSegMovetoRel]';
         }
       }, {
-        key: '_asPathString',
+        key: "_asPathString",
         value: function _asPathString() {
           return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
         }
       }, {
-        key: 'clone',
+        key: "clone",
         value: function clone() {
           return new _SVGPathSegMovetoRel(undefined, this._x, this._y);
         }
       }]);
+
       return _SVGPathSegMovetoRel;
     }(_SVGPathSeg);
 
     Object.defineProperties(_SVGPathSegMovetoRel.prototype, {
       x: {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
+        set: function set(x) {
+          this._x = x;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       y: {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
+        set: function set(y) {
+          this._y = y;
+
+          this._segmentChanged();
         },
-        enumerable: true }
+        enumerable: true
+      }
     });
 
-    var _SVGPathSegLinetoAbs = function (_SVGPathSeg5) {
-      inherits(_SVGPathSegLinetoAbs, _SVGPathSeg5);
+    var _SVGPathSegLinetoAbs =
+    /*#__PURE__*/
+    function (_SVGPathSeg5) {
+      _inherits(_SVGPathSegLinetoAbs, _SVGPathSeg5);
 
       function _SVGPathSegLinetoAbs(owningPathSegList, x, y) {
-        classCallCheck(this, _SVGPathSegLinetoAbs);
+        var _this3;
 
-        var _this4 = possibleConstructorReturn(this, (_SVGPathSegLinetoAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoAbs)).call(this, _SVGPathSeg.PATHSEG_LINETO_ABS, 'L', owningPathSegList));
+        _classCallCheck(this, _SVGPathSegLinetoAbs);
 
-        _this4._x = x;
-        _this4._y = y;
-        return _this4;
+        _this3 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoAbs).call(this, _SVGPathSeg.PATHSEG_LINETO_ABS, 'L', owningPathSegList));
+        _this3._x = x;
+        _this3._y = y;
+        return _this3;
       }
 
-      createClass(_SVGPathSegLinetoAbs, [{
-        key: 'toString',
+      _createClass(_SVGPathSegLinetoAbs, [{
+        key: "toString",
         value: function toString() {
           return '[object SVGPathSegLinetoAbs]';
         }
       }, {
-        key: '_asPathString',
+        key: "_asPathString",
         value: function _asPathString() {
           return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
         }
       }, {
-        key: 'clone',
+        key: "clone",
         value: function clone() {
           return new _SVGPathSegLinetoAbs(undefined, this._x, this._y);
         }
       }]);
+
       return _SVGPathSegLinetoAbs;
     }(_SVGPathSeg);
 
     Object.defineProperties(_SVGPathSegLinetoAbs.prototype, {
       x: {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
+        set: function set(x) {
+          this._x = x;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       y: {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
+        set: function set(y) {
+          this._y = y;
+
+          this._segmentChanged();
         },
-        enumerable: true }
+        enumerable: true
+      }
     });
 
-    var _SVGPathSegLinetoRel = function (_SVGPathSeg6) {
-      inherits(_SVGPathSegLinetoRel, _SVGPathSeg6);
+    var _SVGPathSegLinetoRel =
+    /*#__PURE__*/
+    function (_SVGPathSeg6) {
+      _inherits(_SVGPathSegLinetoRel, _SVGPathSeg6);
 
       function _SVGPathSegLinetoRel(owningPathSegList, x, y) {
-        classCallCheck(this, _SVGPathSegLinetoRel);
+        var _this4;
 
-        var _this5 = possibleConstructorReturn(this, (_SVGPathSegLinetoRel.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoRel)).call(this, _SVGPathSeg.PATHSEG_LINETO_REL, 'l', owningPathSegList));
+        _classCallCheck(this, _SVGPathSegLinetoRel);
 
-        _this5._x = x;
-        _this5._y = y;
-        return _this5;
+        _this4 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoRel).call(this, _SVGPathSeg.PATHSEG_LINETO_REL, 'l', owningPathSegList));
+        _this4._x = x;
+        _this4._y = y;
+        return _this4;
       }
 
-      createClass(_SVGPathSegLinetoRel, [{
-        key: 'toString',
+      _createClass(_SVGPathSegLinetoRel, [{
+        key: "toString",
         value: function toString() {
           return '[object SVGPathSegLinetoRel]';
         }
       }, {
-        key: '_asPathString',
+        key: "_asPathString",
         value: function _asPathString() {
           return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
         }
       }, {
-        key: 'clone',
+        key: "clone",
         value: function clone() {
           return new _SVGPathSegLinetoRel(undefined, this._x, this._y);
         }
       }]);
+
       return _SVGPathSegLinetoRel;
     }(_SVGPathSeg);
 
     Object.defineProperties(_SVGPathSegLinetoRel.prototype, {
       x: {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
+        set: function set(x) {
+          this._x = x;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       y: {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
+        set: function set(y) {
+          this._y = y;
+
+          this._segmentChanged();
         },
-        enumerable: true }
+        enumerable: true
+      }
     });
 
-    var _SVGPathSegCurvetoCubicAbs = function (_SVGPathSeg7) {
-      inherits(_SVGPathSegCurvetoCubicAbs, _SVGPathSeg7);
+    var _SVGPathSegCurvetoCubicAbs =
+    /*#__PURE__*/
+    function (_SVGPathSeg7) {
+      _inherits(_SVGPathSegCurvetoCubicAbs, _SVGPathSeg7);
 
       function _SVGPathSegCurvetoCubicAbs(owningPathSegList, x, y, x1, y1, x2, y2) {
-        classCallCheck(this, _SVGPathSegCurvetoCubicAbs);
+        var _this5;
 
-        var _this6 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, 'C', owningPathSegList));
+        _classCallCheck(this, _SVGPathSegCurvetoCubicAbs);
 
+        _this5 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, 'C', owningPathSegList));
+        _this5._x = x;
+        _this5._y = y;
+        _this5._x1 = x1;
+        _this5._y1 = y1;
+        _this5._x2 = x2;
+        _this5._y2 = y2;
+        return _this5;
+      }
+
+      _createClass(_SVGPathSegCurvetoCubicAbs, [{
+        key: "toString",
+        value: function toString() {
+          return '[object SVGPathSegCurvetoCubicAbs]';
+        }
+      }, {
+        key: "_asPathString",
+        value: function _asPathString() {
+          return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
+        }
+      }, {
+        key: "clone",
+        value: function clone() {
+          return new _SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
+        }
+      }]);
+
+      return _SVGPathSegCurvetoCubicAbs;
+    }(_SVGPathSeg);
+
+    Object.defineProperties(_SVGPathSegCurvetoCubicAbs.prototype, {
+      x: {
+        get: function get() {
+          return this._x;
+        },
+        set: function set(x) {
+          this._x = x;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      },
+      y: {
+        get: function get() {
+          return this._y;
+        },
+        set: function set(y) {
+          this._y = y;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      },
+      x1: {
+        get: function get() {
+          return this._x1;
+        },
+        set: function set(x1) {
+          this._x1 = x1;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      },
+      y1: {
+        get: function get() {
+          return this._y1;
+        },
+        set: function set(y1) {
+          this._y1 = y1;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      },
+      x2: {
+        get: function get() {
+          return this._x2;
+        },
+        set: function set(x2) {
+          this._x2 = x2;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      },
+      y2: {
+        get: function get() {
+          return this._y2;
+        },
+        set: function set(y2) {
+          this._y2 = y2;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      }
+    });
+
+    var _SVGPathSegCurvetoCubicRel =
+    /*#__PURE__*/
+    function (_SVGPathSeg8) {
+      _inherits(_SVGPathSegCurvetoCubicRel, _SVGPathSeg8);
+
+      function _SVGPathSegCurvetoCubicRel(owningPathSegList, x, y, x1, y1, x2, y2) {
+        var _this6;
+
+        _classCallCheck(this, _SVGPathSegCurvetoCubicRel);
+
+        _this6 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, 'c', owningPathSegList));
         _this6._x = x;
         _this6._y = y;
         _this6._x1 = x1;
@@ -548,171 +765,191 @@ var getReverseNS = function getReverseNS() {
         return _this6;
       }
 
-      createClass(_SVGPathSegCurvetoCubicAbs, [{
-        key: 'toString',
-        value: function toString() {
-          return '[object SVGPathSegCurvetoCubicAbs]';
-        }
-      }, {
-        key: '_asPathString',
-        value: function _asPathString() {
-          return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
-        }
-      }, {
-        key: 'clone',
-        value: function clone() {
-          return new _SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
-        }
-      }]);
-      return _SVGPathSegCurvetoCubicAbs;
-    }(_SVGPathSeg);
-
-    Object.defineProperties(_SVGPathSegCurvetoCubicAbs.prototype, {
-      x: {
-        get: function get$$1() {
-          return this._x;
-        },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
-        },
-        enumerable: true },
-      y: {
-        get: function get$$1() {
-          return this._y;
-        },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
-        },
-        enumerable: true },
-      x1: {
-        get: function get$$1() {
-          return this._x1;
-        },
-        set: function set$$1(x1) {
-          this._x1 = x1;this._segmentChanged();
-        },
-        enumerable: true },
-      y1: {
-        get: function get$$1() {
-          return this._y1;
-        },
-        set: function set$$1(y1) {
-          this._y1 = y1;this._segmentChanged();
-        },
-        enumerable: true },
-      x2: {
-        get: function get$$1() {
-          return this._x2;
-        },
-        set: function set$$1(x2) {
-          this._x2 = x2;this._segmentChanged();
-        },
-        enumerable: true },
-      y2: {
-        get: function get$$1() {
-          return this._y2;
-        },
-        set: function set$$1(y2) {
-          this._y2 = y2;this._segmentChanged();
-        },
-        enumerable: true }
-    });
-
-    var _SVGPathSegCurvetoCubicRel = function (_SVGPathSeg8) {
-      inherits(_SVGPathSegCurvetoCubicRel, _SVGPathSeg8);
-
-      function _SVGPathSegCurvetoCubicRel(owningPathSegList, x, y, x1, y1, x2, y2) {
-        classCallCheck(this, _SVGPathSegCurvetoCubicRel);
-
-        var _this7 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, 'c', owningPathSegList));
-
-        _this7._x = x;
-        _this7._y = y;
-        _this7._x1 = x1;
-        _this7._y1 = y1;
-        _this7._x2 = x2;
-        _this7._y2 = y2;
-        return _this7;
-      }
-
-      createClass(_SVGPathSegCurvetoCubicRel, [{
-        key: 'toString',
+      _createClass(_SVGPathSegCurvetoCubicRel, [{
+        key: "toString",
         value: function toString() {
           return '[object SVGPathSegCurvetoCubicRel]';
         }
       }, {
-        key: '_asPathString',
+        key: "_asPathString",
         value: function _asPathString() {
           return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
         }
       }, {
-        key: 'clone',
+        key: "clone",
         value: function clone() {
           return new _SVGPathSegCurvetoCubicRel(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
         }
       }]);
+
       return _SVGPathSegCurvetoCubicRel;
     }(_SVGPathSeg);
 
     Object.defineProperties(_SVGPathSegCurvetoCubicRel.prototype, {
       x: {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
+        set: function set(x) {
+          this._x = x;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       y: {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
+        set: function set(y) {
+          this._y = y;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       x1: {
-        get: function get$$1() {
+        get: function get() {
           return this._x1;
         },
-        set: function set$$1(x1) {
-          this._x1 = x1;this._segmentChanged();
+        set: function set(x1) {
+          this._x1 = x1;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       y1: {
-        get: function get$$1() {
+        get: function get() {
           return this._y1;
         },
-        set: function set$$1(y1) {
-          this._y1 = y1;this._segmentChanged();
+        set: function set(y1) {
+          this._y1 = y1;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       x2: {
-        get: function get$$1() {
+        get: function get() {
           return this._x2;
         },
-        set: function set$$1(x2) {
-          this._x2 = x2;this._segmentChanged();
+        set: function set(x2) {
+          this._x2 = x2;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       y2: {
-        get: function get$$1() {
+        get: function get() {
           return this._y2;
         },
-        set: function set$$1(y2) {
-          this._y2 = y2;this._segmentChanged();
+        set: function set(y2) {
+          this._y2 = y2;
+
+          this._segmentChanged();
         },
-        enumerable: true }
+        enumerable: true
+      }
     });
 
-    var _SVGPathSegCurvetoQuadraticAbs = function (_SVGPathSeg9) {
-      inherits(_SVGPathSegCurvetoQuadraticAbs, _SVGPathSeg9);
+    var _SVGPathSegCurvetoQuadraticAbs =
+    /*#__PURE__*/
+    function (_SVGPathSeg9) {
+      _inherits(_SVGPathSegCurvetoQuadraticAbs, _SVGPathSeg9);
 
       function _SVGPathSegCurvetoQuadraticAbs(owningPathSegList, x, y, x1, y1) {
-        classCallCheck(this, _SVGPathSegCurvetoQuadraticAbs);
+        var _this7;
 
-        var _this8 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, 'Q', owningPathSegList));
+        _classCallCheck(this, _SVGPathSegCurvetoQuadraticAbs);
 
+        _this7 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, 'Q', owningPathSegList));
+        _this7._x = x;
+        _this7._y = y;
+        _this7._x1 = x1;
+        _this7._y1 = y1;
+        return _this7;
+      }
+
+      _createClass(_SVGPathSegCurvetoQuadraticAbs, [{
+        key: "toString",
+        value: function toString() {
+          return '[object SVGPathSegCurvetoQuadraticAbs]';
+        }
+      }, {
+        key: "_asPathString",
+        value: function _asPathString() {
+          return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y;
+        }
+      }, {
+        key: "clone",
+        value: function clone() {
+          return new _SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1);
+        }
+      }]);
+
+      return _SVGPathSegCurvetoQuadraticAbs;
+    }(_SVGPathSeg);
+
+    Object.defineProperties(_SVGPathSegCurvetoQuadraticAbs.prototype, {
+      x: {
+        get: function get() {
+          return this._x;
+        },
+        set: function set(x) {
+          this._x = x;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      },
+      y: {
+        get: function get() {
+          return this._y;
+        },
+        set: function set(y) {
+          this._y = y;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      },
+      x1: {
+        get: function get() {
+          return this._x1;
+        },
+        set: function set(x1) {
+          this._x1 = x1;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      },
+      y1: {
+        get: function get() {
+          return this._y1;
+        },
+        set: function set(y1) {
+          this._y1 = y1;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      }
+    });
+
+    var _SVGPathSegCurvetoQuadraticRel =
+    /*#__PURE__*/
+    function (_SVGPathSeg10) {
+      _inherits(_SVGPathSegCurvetoQuadraticRel, _SVGPathSeg10);
+
+      function _SVGPathSegCurvetoQuadraticRel(owningPathSegList, x, y, x1, y1) {
+        var _this8;
+
+        _classCallCheck(this, _SVGPathSegCurvetoQuadraticRel);
+
+        _this8 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, 'q', owningPathSegList));
         _this8._x = x;
         _this8._y = y;
         _this8._x1 = x1;
@@ -720,137 +957,205 @@ var getReverseNS = function getReverseNS() {
         return _this8;
       }
 
-      createClass(_SVGPathSegCurvetoQuadraticAbs, [{
-        key: 'toString',
-        value: function toString() {
-          return '[object SVGPathSegCurvetoQuadraticAbs]';
-        }
-      }, {
-        key: '_asPathString',
-        value: function _asPathString() {
-          return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y;
-        }
-      }, {
-        key: 'clone',
-        value: function clone() {
-          return new _SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1);
-        }
-      }]);
-      return _SVGPathSegCurvetoQuadraticAbs;
-    }(_SVGPathSeg);
-
-    Object.defineProperties(_SVGPathSegCurvetoQuadraticAbs.prototype, {
-      x: {
-        get: function get$$1() {
-          return this._x;
-        },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
-        },
-        enumerable: true },
-      y: {
-        get: function get$$1() {
-          return this._y;
-        },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
-        },
-        enumerable: true },
-      x1: {
-        get: function get$$1() {
-          return this._x1;
-        },
-        set: function set$$1(x1) {
-          this._x1 = x1;this._segmentChanged();
-        },
-        enumerable: true },
-      y1: {
-        get: function get$$1() {
-          return this._y1;
-        },
-        set: function set$$1(y1) {
-          this._y1 = y1;this._segmentChanged();
-        },
-        enumerable: true }
-    });
-
-    var _SVGPathSegCurvetoQuadraticRel = function (_SVGPathSeg10) {
-      inherits(_SVGPathSegCurvetoQuadraticRel, _SVGPathSeg10);
-
-      function _SVGPathSegCurvetoQuadraticRel(owningPathSegList, x, y, x1, y1) {
-        classCallCheck(this, _SVGPathSegCurvetoQuadraticRel);
-
-        var _this9 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, 'q', owningPathSegList));
-
-        _this9._x = x;
-        _this9._y = y;
-        _this9._x1 = x1;
-        _this9._y1 = y1;
-        return _this9;
-      }
-
-      createClass(_SVGPathSegCurvetoQuadraticRel, [{
-        key: 'toString',
+      _createClass(_SVGPathSegCurvetoQuadraticRel, [{
+        key: "toString",
         value: function toString() {
           return '[object SVGPathSegCurvetoQuadraticRel]';
         }
       }, {
-        key: '_asPathString',
+        key: "_asPathString",
         value: function _asPathString() {
           return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y;
         }
       }, {
-        key: 'clone',
+        key: "clone",
         value: function clone() {
           return new _SVGPathSegCurvetoQuadraticRel(undefined, this._x, this._y, this._x1, this._y1);
         }
       }]);
+
       return _SVGPathSegCurvetoQuadraticRel;
     }(_SVGPathSeg);
 
     Object.defineProperties(_SVGPathSegCurvetoQuadraticRel.prototype, {
       x: {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
+        set: function set(x) {
+          this._x = x;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       y: {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
+        set: function set(y) {
+          this._y = y;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       x1: {
-        get: function get$$1() {
+        get: function get() {
           return this._x1;
         },
-        set: function set$$1(x1) {
-          this._x1 = x1;this._segmentChanged();
+        set: function set(x1) {
+          this._x1 = x1;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       y1: {
-        get: function get$$1() {
+        get: function get() {
           return this._y1;
         },
-        set: function set$$1(y1) {
-          this._y1 = y1;this._segmentChanged();
+        set: function set(y1) {
+          this._y1 = y1;
+
+          this._segmentChanged();
         },
-        enumerable: true }
+        enumerable: true
+      }
     });
 
-    var _SVGPathSegArcAbs = function (_SVGPathSeg11) {
-      inherits(_SVGPathSegArcAbs, _SVGPathSeg11);
+    var _SVGPathSegArcAbs =
+    /*#__PURE__*/
+    function (_SVGPathSeg11) {
+      _inherits(_SVGPathSegArcAbs, _SVGPathSeg11);
 
       function _SVGPathSegArcAbs(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
-        classCallCheck(this, _SVGPathSegArcAbs);
+        var _this9;
 
-        var _this10 = possibleConstructorReturn(this, (_SVGPathSegArcAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegArcAbs)).call(this, _SVGPathSeg.PATHSEG_ARC_ABS, 'A', owningPathSegList));
+        _classCallCheck(this, _SVGPathSegArcAbs);
 
+        _this9 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegArcAbs).call(this, _SVGPathSeg.PATHSEG_ARC_ABS, 'A', owningPathSegList));
+        _this9._x = x;
+        _this9._y = y;
+        _this9._r1 = r1;
+        _this9._r2 = r2;
+        _this9._angle = angle;
+        _this9._largeArcFlag = largeArcFlag;
+        _this9._sweepFlag = sweepFlag;
+        return _this9;
+      }
+
+      _createClass(_SVGPathSegArcAbs, [{
+        key: "toString",
+        value: function toString() {
+          return '[object SVGPathSegArcAbs]';
+        }
+      }, {
+        key: "_asPathString",
+        value: function _asPathString() {
+          return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y;
+        }
+      }, {
+        key: "clone",
+        value: function clone() {
+          return new _SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
+        }
+      }]);
+
+      return _SVGPathSegArcAbs;
+    }(_SVGPathSeg);
+
+    Object.defineProperties(_SVGPathSegArcAbs.prototype, {
+      x: {
+        get: function get() {
+          return this._x;
+        },
+        set: function set(x) {
+          this._x = x;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      },
+      y: {
+        get: function get() {
+          return this._y;
+        },
+        set: function set(y) {
+          this._y = y;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      },
+      r1: {
+        get: function get() {
+          return this._r1;
+        },
+        set: function set(r1) {
+          this._r1 = r1;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      },
+      r2: {
+        get: function get() {
+          return this._r2;
+        },
+        set: function set(r2) {
+          this._r2 = r2;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      },
+      angle: {
+        get: function get() {
+          return this._angle;
+        },
+        set: function set(angle) {
+          this._angle = angle;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      },
+      largeArcFlag: {
+        get: function get() {
+          return this._largeArcFlag;
+        },
+        set: function set(largeArcFlag) {
+          this._largeArcFlag = largeArcFlag;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      },
+      sweepFlag: {
+        get: function get() {
+          return this._sweepFlag;
+        },
+        set: function set(sweepFlag) {
+          this._sweepFlag = sweepFlag;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      }
+    });
+
+    var _SVGPathSegArcRel =
+    /*#__PURE__*/
+    function (_SVGPathSeg12) {
+      _inherits(_SVGPathSegArcRel, _SVGPathSeg12);
+
+      function _SVGPathSegArcRel(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
+        var _this10;
+
+        _classCallCheck(this, _SVGPathSegArcRel);
+
+        _this10 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegArcRel).call(this, _SVGPathSeg.PATHSEG_ARC_REL, 'a', owningPathSegList));
         _this10._x = x;
         _this10._y = y;
         _this10._r1 = r1;
@@ -861,348 +1166,390 @@ var getReverseNS = function getReverseNS() {
         return _this10;
       }
 
-      createClass(_SVGPathSegArcAbs, [{
-        key: 'toString',
-        value: function toString() {
-          return '[object SVGPathSegArcAbs]';
-        }
-      }, {
-        key: '_asPathString',
-        value: function _asPathString() {
-          return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y;
-        }
-      }, {
-        key: 'clone',
-        value: function clone() {
-          return new _SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
-        }
-      }]);
-      return _SVGPathSegArcAbs;
-    }(_SVGPathSeg);
-
-    Object.defineProperties(_SVGPathSegArcAbs.prototype, {
-      x: {
-        get: function get$$1() {
-          return this._x;
-        },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
-        },
-        enumerable: true },
-      y: {
-        get: function get$$1() {
-          return this._y;
-        },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
-        },
-        enumerable: true },
-      r1: {
-        get: function get$$1() {
-          return this._r1;
-        },
-        set: function set$$1(r1) {
-          this._r1 = r1;this._segmentChanged();
-        },
-        enumerable: true },
-      r2: {
-        get: function get$$1() {
-          return this._r2;
-        },
-        set: function set$$1(r2) {
-          this._r2 = r2;this._segmentChanged();
-        },
-        enumerable: true },
-      angle: {
-        get: function get$$1() {
-          return this._angle;
-        },
-        set: function set$$1(angle) {
-          this._angle = angle;this._segmentChanged();
-        },
-        enumerable: true },
-      largeArcFlag: {
-        get: function get$$1() {
-          return this._largeArcFlag;
-        },
-        set: function set$$1(largeArcFlag) {
-          this._largeArcFlag = largeArcFlag;this._segmentChanged();
-        },
-        enumerable: true },
-      sweepFlag: {
-        get: function get$$1() {
-          return this._sweepFlag;
-        },
-        set: function set$$1(sweepFlag) {
-          this._sweepFlag = sweepFlag;this._segmentChanged();
-        },
-        enumerable: true }
-    });
-
-    var _SVGPathSegArcRel = function (_SVGPathSeg12) {
-      inherits(_SVGPathSegArcRel, _SVGPathSeg12);
-
-      function _SVGPathSegArcRel(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
-        classCallCheck(this, _SVGPathSegArcRel);
-
-        var _this11 = possibleConstructorReturn(this, (_SVGPathSegArcRel.__proto__ || Object.getPrototypeOf(_SVGPathSegArcRel)).call(this, _SVGPathSeg.PATHSEG_ARC_REL, 'a', owningPathSegList));
-
-        _this11._x = x;
-        _this11._y = y;
-        _this11._r1 = r1;
-        _this11._r2 = r2;
-        _this11._angle = angle;
-        _this11._largeArcFlag = largeArcFlag;
-        _this11._sweepFlag = sweepFlag;
-        return _this11;
-      }
-
-      createClass(_SVGPathSegArcRel, [{
-        key: 'toString',
+      _createClass(_SVGPathSegArcRel, [{
+        key: "toString",
         value: function toString() {
           return '[object SVGPathSegArcRel]';
         }
       }, {
-        key: '_asPathString',
+        key: "_asPathString",
         value: function _asPathString() {
           return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y;
         }
       }, {
-        key: 'clone',
+        key: "clone",
         value: function clone() {
           return new _SVGPathSegArcRel(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
         }
       }]);
+
       return _SVGPathSegArcRel;
     }(_SVGPathSeg);
 
     Object.defineProperties(_SVGPathSegArcRel.prototype, {
       x: {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
+        set: function set(x) {
+          this._x = x;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       y: {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
+        set: function set(y) {
+          this._y = y;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       r1: {
-        get: function get$$1() {
+        get: function get() {
           return this._r1;
         },
-        set: function set$$1(r1) {
-          this._r1 = r1;this._segmentChanged();
+        set: function set(r1) {
+          this._r1 = r1;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       r2: {
-        get: function get$$1() {
+        get: function get() {
           return this._r2;
         },
-        set: function set$$1(r2) {
-          this._r2 = r2;this._segmentChanged();
+        set: function set(r2) {
+          this._r2 = r2;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       angle: {
-        get: function get$$1() {
+        get: function get() {
           return this._angle;
         },
-        set: function set$$1(angle) {
-          this._angle = angle;this._segmentChanged();
+        set: function set(angle) {
+          this._angle = angle;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       largeArcFlag: {
-        get: function get$$1() {
+        get: function get() {
           return this._largeArcFlag;
         },
-        set: function set$$1(largeArcFlag) {
-          this._largeArcFlag = largeArcFlag;this._segmentChanged();
+        set: function set(largeArcFlag) {
+          this._largeArcFlag = largeArcFlag;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       sweepFlag: {
-        get: function get$$1() {
+        get: function get() {
           return this._sweepFlag;
         },
-        set: function set$$1(sweepFlag) {
-          this._sweepFlag = sweepFlag;this._segmentChanged();
+        set: function set(sweepFlag) {
+          this._sweepFlag = sweepFlag;
+
+          this._segmentChanged();
         },
-        enumerable: true }
+        enumerable: true
+      }
     });
 
-    var _SVGPathSegLinetoHorizontalAbs = function (_SVGPathSeg13) {
-      inherits(_SVGPathSegLinetoHorizontalAbs, _SVGPathSeg13);
+    var _SVGPathSegLinetoHorizontalAbs =
+    /*#__PURE__*/
+    function (_SVGPathSeg13) {
+      _inherits(_SVGPathSegLinetoHorizontalAbs, _SVGPathSeg13);
 
       function _SVGPathSegLinetoHorizontalAbs(owningPathSegList, x) {
-        classCallCheck(this, _SVGPathSegLinetoHorizontalAbs);
+        var _this11;
 
-        var _this12 = possibleConstructorReturn(this, (_SVGPathSegLinetoHorizontalAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoHorizontalAbs)).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, 'H', owningPathSegList));
+        _classCallCheck(this, _SVGPathSegLinetoHorizontalAbs);
 
-        _this12._x = x;
-        return _this12;
+        _this11 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoHorizontalAbs).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, 'H', owningPathSegList));
+        _this11._x = x;
+        return _this11;
       }
 
-      createClass(_SVGPathSegLinetoHorizontalAbs, [{
-        key: 'toString',
+      _createClass(_SVGPathSegLinetoHorizontalAbs, [{
+        key: "toString",
         value: function toString() {
           return '[object SVGPathSegLinetoHorizontalAbs]';
         }
       }, {
-        key: '_asPathString',
+        key: "_asPathString",
         value: function _asPathString() {
           return this.pathSegTypeAsLetter + ' ' + this._x;
         }
       }, {
-        key: 'clone',
+        key: "clone",
         value: function clone() {
           return new _SVGPathSegLinetoHorizontalAbs(undefined, this._x);
         }
       }]);
+
       return _SVGPathSegLinetoHorizontalAbs;
     }(_SVGPathSeg);
 
     Object.defineProperty(_SVGPathSegLinetoHorizontalAbs.prototype, 'x', {
-      get: function get$$1() {
+      get: function get() {
         return this._x;
       },
-      set: function set$$1(x) {
-        this._x = x;this._segmentChanged();
-      },
-      enumerable: true });
+      set: function set(x) {
+        this._x = x;
 
-    var _SVGPathSegLinetoHorizontalRel = function (_SVGPathSeg14) {
-      inherits(_SVGPathSegLinetoHorizontalRel, _SVGPathSeg14);
+        this._segmentChanged();
+      },
+      enumerable: true
+    });
+
+    var _SVGPathSegLinetoHorizontalRel =
+    /*#__PURE__*/
+    function (_SVGPathSeg14) {
+      _inherits(_SVGPathSegLinetoHorizontalRel, _SVGPathSeg14);
 
       function _SVGPathSegLinetoHorizontalRel(owningPathSegList, x) {
-        classCallCheck(this, _SVGPathSegLinetoHorizontalRel);
+        var _this12;
 
-        var _this13 = possibleConstructorReturn(this, (_SVGPathSegLinetoHorizontalRel.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoHorizontalRel)).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, 'h', owningPathSegList));
+        _classCallCheck(this, _SVGPathSegLinetoHorizontalRel);
 
-        _this13._x = x;
-        return _this13;
+        _this12 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoHorizontalRel).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, 'h', owningPathSegList));
+        _this12._x = x;
+        return _this12;
       }
 
-      createClass(_SVGPathSegLinetoHorizontalRel, [{
-        key: 'toString',
+      _createClass(_SVGPathSegLinetoHorizontalRel, [{
+        key: "toString",
         value: function toString() {
           return '[object SVGPathSegLinetoHorizontalRel]';
         }
       }, {
-        key: '_asPathString',
+        key: "_asPathString",
         value: function _asPathString() {
           return this.pathSegTypeAsLetter + ' ' + this._x;
         }
       }, {
-        key: 'clone',
+        key: "clone",
         value: function clone() {
           return new _SVGPathSegLinetoHorizontalRel(undefined, this._x);
         }
       }]);
+
       return _SVGPathSegLinetoHorizontalRel;
     }(_SVGPathSeg);
 
     Object.defineProperty(_SVGPathSegLinetoHorizontalRel.prototype, 'x', {
-      get: function get$$1() {
+      get: function get() {
         return this._x;
       },
-      set: function set$$1(x) {
-        this._x = x;this._segmentChanged();
-      },
-      enumerable: true });
+      set: function set(x) {
+        this._x = x;
 
-    var _SVGPathSegLinetoVerticalAbs = function (_SVGPathSeg15) {
-      inherits(_SVGPathSegLinetoVerticalAbs, _SVGPathSeg15);
+        this._segmentChanged();
+      },
+      enumerable: true
+    });
+
+    var _SVGPathSegLinetoVerticalAbs =
+    /*#__PURE__*/
+    function (_SVGPathSeg15) {
+      _inherits(_SVGPathSegLinetoVerticalAbs, _SVGPathSeg15);
 
       function _SVGPathSegLinetoVerticalAbs(owningPathSegList, y) {
-        classCallCheck(this, _SVGPathSegLinetoVerticalAbs);
+        var _this13;
 
-        var _this14 = possibleConstructorReturn(this, (_SVGPathSegLinetoVerticalAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoVerticalAbs)).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, 'V', owningPathSegList));
+        _classCallCheck(this, _SVGPathSegLinetoVerticalAbs);
 
-        _this14._y = y;
-        return _this14;
+        _this13 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoVerticalAbs).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, 'V', owningPathSegList));
+        _this13._y = y;
+        return _this13;
       }
 
-      createClass(_SVGPathSegLinetoVerticalAbs, [{
-        key: 'toString',
+      _createClass(_SVGPathSegLinetoVerticalAbs, [{
+        key: "toString",
         value: function toString() {
           return '[object SVGPathSegLinetoVerticalAbs]';
         }
       }, {
-        key: '_asPathString',
+        key: "_asPathString",
         value: function _asPathString() {
           return this.pathSegTypeAsLetter + ' ' + this._y;
         }
       }, {
-        key: 'clone',
+        key: "clone",
         value: function clone() {
           return new _SVGPathSegLinetoVerticalAbs(undefined, this._y);
         }
       }]);
+
       return _SVGPathSegLinetoVerticalAbs;
     }(_SVGPathSeg);
 
     Object.defineProperty(_SVGPathSegLinetoVerticalAbs.prototype, 'y', {
-      get: function get$$1() {
+      get: function get() {
         return this._y;
       },
-      set: function set$$1(y) {
-        this._y = y;this._segmentChanged();
-      },
-      enumerable: true });
+      set: function set(y) {
+        this._y = y;
 
-    var _SVGPathSegLinetoVerticalRel = function (_SVGPathSeg16) {
-      inherits(_SVGPathSegLinetoVerticalRel, _SVGPathSeg16);
+        this._segmentChanged();
+      },
+      enumerable: true
+    });
+
+    var _SVGPathSegLinetoVerticalRel =
+    /*#__PURE__*/
+    function (_SVGPathSeg16) {
+      _inherits(_SVGPathSegLinetoVerticalRel, _SVGPathSeg16);
 
       function _SVGPathSegLinetoVerticalRel(owningPathSegList, y) {
-        classCallCheck(this, _SVGPathSegLinetoVerticalRel);
+        var _this14;
 
-        var _this15 = possibleConstructorReturn(this, (_SVGPathSegLinetoVerticalRel.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoVerticalRel)).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, 'v', owningPathSegList));
+        _classCallCheck(this, _SVGPathSegLinetoVerticalRel);
 
-        _this15._y = y;
-        return _this15;
+        _this14 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoVerticalRel).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, 'v', owningPathSegList));
+        _this14._y = y;
+        return _this14;
       }
 
-      createClass(_SVGPathSegLinetoVerticalRel, [{
-        key: 'toString',
+      _createClass(_SVGPathSegLinetoVerticalRel, [{
+        key: "toString",
         value: function toString() {
           return '[object SVGPathSegLinetoVerticalRel]';
         }
       }, {
-        key: '_asPathString',
+        key: "_asPathString",
         value: function _asPathString() {
           return this.pathSegTypeAsLetter + ' ' + this._y;
         }
       }, {
-        key: 'clone',
+        key: "clone",
         value: function clone() {
           return new _SVGPathSegLinetoVerticalRel(undefined, this._y);
         }
       }]);
+
       return _SVGPathSegLinetoVerticalRel;
     }(_SVGPathSeg);
 
     Object.defineProperty(_SVGPathSegLinetoVerticalRel.prototype, 'y', {
-      get: function get$$1() {
+      get: function get() {
         return this._y;
       },
-      set: function set$$1(y) {
-        this._y = y;this._segmentChanged();
-      },
-      enumerable: true });
+      set: function set(y) {
+        this._y = y;
 
-    var _SVGPathSegCurvetoCubicSmoothAbs = function (_SVGPathSeg17) {
-      inherits(_SVGPathSegCurvetoCubicSmoothAbs, _SVGPathSeg17);
+        this._segmentChanged();
+      },
+      enumerable: true
+    });
+
+    var _SVGPathSegCurvetoCubicSmoothAbs =
+    /*#__PURE__*/
+    function (_SVGPathSeg17) {
+      _inherits(_SVGPathSegCurvetoCubicSmoothAbs, _SVGPathSeg17);
 
       function _SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, x, y, x2, y2) {
-        classCallCheck(this, _SVGPathSegCurvetoCubicSmoothAbs);
+        var _this15;
 
-        var _this16 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicSmoothAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicSmoothAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, 'S', owningPathSegList));
+        _classCallCheck(this, _SVGPathSegCurvetoCubicSmoothAbs);
 
+        _this15 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicSmoothAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, 'S', owningPathSegList));
+        _this15._x = x;
+        _this15._y = y;
+        _this15._x2 = x2;
+        _this15._y2 = y2;
+        return _this15;
+      }
+
+      _createClass(_SVGPathSegCurvetoCubicSmoothAbs, [{
+        key: "toString",
+        value: function toString() {
+          return '[object SVGPathSegCurvetoCubicSmoothAbs]';
+        }
+      }, {
+        key: "_asPathString",
+        value: function _asPathString() {
+          return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
+        }
+      }, {
+        key: "clone",
+        value: function clone() {
+          return new _SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2);
+        }
+      }]);
+
+      return _SVGPathSegCurvetoCubicSmoothAbs;
+    }(_SVGPathSeg);
+
+    Object.defineProperties(_SVGPathSegCurvetoCubicSmoothAbs.prototype, {
+      x: {
+        get: function get() {
+          return this._x;
+        },
+        set: function set(x) {
+          this._x = x;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      },
+      y: {
+        get: function get() {
+          return this._y;
+        },
+        set: function set(y) {
+          this._y = y;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      },
+      x2: {
+        get: function get() {
+          return this._x2;
+        },
+        set: function set(x2) {
+          this._x2 = x2;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      },
+      y2: {
+        get: function get() {
+          return this._y2;
+        },
+        set: function set(y2) {
+          this._y2 = y2;
+
+          this._segmentChanged();
+        },
+        enumerable: true
+      }
+    });
+
+    var _SVGPathSegCurvetoCubicSmoothRel =
+    /*#__PURE__*/
+    function (_SVGPathSeg18) {
+      _inherits(_SVGPathSegCurvetoCubicSmoothRel, _SVGPathSeg18);
+
+      function _SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, x, y, x2, y2) {
+        var _this16;
+
+        _classCallCheck(this, _SVGPathSegCurvetoCubicSmoothRel);
+
+        _this16 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicSmoothRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, 's', owningPathSegList));
         _this16._x = x;
         _this16._y = y;
         _this16._x2 = x2;
@@ -1210,287 +1557,268 @@ var getReverseNS = function getReverseNS() {
         return _this16;
       }
 
-      createClass(_SVGPathSegCurvetoCubicSmoothAbs, [{
-        key: 'toString',
-        value: function toString() {
-          return '[object SVGPathSegCurvetoCubicSmoothAbs]';
-        }
-      }, {
-        key: '_asPathString',
-        value: function _asPathString() {
-          return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
-        }
-      }, {
-        key: 'clone',
-        value: function clone() {
-          return new _SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2);
-        }
-      }]);
-      return _SVGPathSegCurvetoCubicSmoothAbs;
-    }(_SVGPathSeg);
-
-    Object.defineProperties(_SVGPathSegCurvetoCubicSmoothAbs.prototype, {
-      x: {
-        get: function get$$1() {
-          return this._x;
-        },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
-        },
-        enumerable: true },
-      y: {
-        get: function get$$1() {
-          return this._y;
-        },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
-        },
-        enumerable: true },
-      x2: {
-        get: function get$$1() {
-          return this._x2;
-        },
-        set: function set$$1(x2) {
-          this._x2 = x2;this._segmentChanged();
-        },
-        enumerable: true },
-      y2: {
-        get: function get$$1() {
-          return this._y2;
-        },
-        set: function set$$1(y2) {
-          this._y2 = y2;this._segmentChanged();
-        },
-        enumerable: true }
-    });
-
-    var _SVGPathSegCurvetoCubicSmoothRel = function (_SVGPathSeg18) {
-      inherits(_SVGPathSegCurvetoCubicSmoothRel, _SVGPathSeg18);
-
-      function _SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, x, y, x2, y2) {
-        classCallCheck(this, _SVGPathSegCurvetoCubicSmoothRel);
-
-        var _this17 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicSmoothRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicSmoothRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, 's', owningPathSegList));
-
-        _this17._x = x;
-        _this17._y = y;
-        _this17._x2 = x2;
-        _this17._y2 = y2;
-        return _this17;
-      }
-
-      createClass(_SVGPathSegCurvetoCubicSmoothRel, [{
-        key: 'toString',
+      _createClass(_SVGPathSegCurvetoCubicSmoothRel, [{
+        key: "toString",
         value: function toString() {
           return '[object SVGPathSegCurvetoCubicSmoothRel]';
         }
       }, {
-        key: '_asPathString',
+        key: "_asPathString",
         value: function _asPathString() {
           return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
         }
       }, {
-        key: 'clone',
+        key: "clone",
         value: function clone() {
           return new _SVGPathSegCurvetoCubicSmoothRel(undefined, this._x, this._y, this._x2, this._y2);
         }
       }]);
+
       return _SVGPathSegCurvetoCubicSmoothRel;
     }(_SVGPathSeg);
 
     Object.defineProperties(_SVGPathSegCurvetoCubicSmoothRel.prototype, {
       x: {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
+        set: function set(x) {
+          this._x = x;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       y: {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
+        set: function set(y) {
+          this._y = y;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       x2: {
-        get: function get$$1() {
+        get: function get() {
           return this._x2;
         },
-        set: function set$$1(x2) {
-          this._x2 = x2;this._segmentChanged();
+        set: function set(x2) {
+          this._x2 = x2;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       y2: {
-        get: function get$$1() {
+        get: function get() {
           return this._y2;
         },
-        set: function set$$1(y2) {
-          this._y2 = y2;this._segmentChanged();
+        set: function set(y2) {
+          this._y2 = y2;
+
+          this._segmentChanged();
         },
-        enumerable: true }
+        enumerable: true
+      }
     });
 
-    var _SVGPathSegCurvetoQuadraticSmoothAbs = function (_SVGPathSeg19) {
-      inherits(_SVGPathSegCurvetoQuadraticSmoothAbs, _SVGPathSeg19);
+    var _SVGPathSegCurvetoQuadraticSmoothAbs =
+    /*#__PURE__*/
+    function (_SVGPathSeg19) {
+      _inherits(_SVGPathSegCurvetoQuadraticSmoothAbs, _SVGPathSeg19);
 
       function _SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, x, y) {
-        classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothAbs);
+        var _this17;
 
-        var _this18 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticSmoothAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, 'T', owningPathSegList));
+        _classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothAbs);
 
-        _this18._x = x;
-        _this18._y = y;
-        return _this18;
+        _this17 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, 'T', owningPathSegList));
+        _this17._x = x;
+        _this17._y = y;
+        return _this17;
       }
 
-      createClass(_SVGPathSegCurvetoQuadraticSmoothAbs, [{
-        key: 'toString',
+      _createClass(_SVGPathSegCurvetoQuadraticSmoothAbs, [{
+        key: "toString",
         value: function toString() {
           return '[object SVGPathSegCurvetoQuadraticSmoothAbs]';
         }
       }, {
-        key: '_asPathString',
+        key: "_asPathString",
         value: function _asPathString() {
           return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
         }
       }, {
-        key: 'clone',
+        key: "clone",
         value: function clone() {
           return new _SVGPathSegCurvetoQuadraticSmoothAbs(undefined, this._x, this._y);
         }
       }]);
+
       return _SVGPathSegCurvetoQuadraticSmoothAbs;
     }(_SVGPathSeg);
 
     Object.defineProperties(_SVGPathSegCurvetoQuadraticSmoothAbs.prototype, {
       x: {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
+        set: function set(x) {
+          this._x = x;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       y: {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
+        set: function set(y) {
+          this._y = y;
+
+          this._segmentChanged();
         },
-        enumerable: true }
+        enumerable: true
+      }
     });
 
-    var _SVGPathSegCurvetoQuadraticSmoothRel = function (_SVGPathSeg20) {
-      inherits(_SVGPathSegCurvetoQuadraticSmoothRel, _SVGPathSeg20);
+    var _SVGPathSegCurvetoQuadraticSmoothRel =
+    /*#__PURE__*/
+    function (_SVGPathSeg20) {
+      _inherits(_SVGPathSegCurvetoQuadraticSmoothRel, _SVGPathSeg20);
 
       function _SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, x, y) {
-        classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothRel);
+        var _this18;
 
-        var _this19 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticSmoothRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, 't', owningPathSegList));
+        _classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothRel);
 
-        _this19._x = x;
-        _this19._y = y;
-        return _this19;
+        _this18 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, 't', owningPathSegList));
+        _this18._x = x;
+        _this18._y = y;
+        return _this18;
       }
 
-      createClass(_SVGPathSegCurvetoQuadraticSmoothRel, [{
-        key: 'toString',
+      _createClass(_SVGPathSegCurvetoQuadraticSmoothRel, [{
+        key: "toString",
         value: function toString() {
           return '[object SVGPathSegCurvetoQuadraticSmoothRel]';
         }
       }, {
-        key: '_asPathString',
+        key: "_asPathString",
         value: function _asPathString() {
           return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
         }
       }, {
-        key: 'clone',
+        key: "clone",
         value: function clone() {
           return new _SVGPathSegCurvetoQuadraticSmoothRel(undefined, this._x, this._y);
         }
       }]);
+
       return _SVGPathSegCurvetoQuadraticSmoothRel;
     }(_SVGPathSeg);
 
     Object.defineProperties(_SVGPathSegCurvetoQuadraticSmoothRel.prototype, {
       x: {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
+        set: function set(x) {
+          this._x = x;
+
+          this._segmentChanged();
         },
-        enumerable: true },
+        enumerable: true
+      },
       y: {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
-        },
-        enumerable: true }
-    });
+        set: function set(y) {
+          this._y = y;
 
-    // Add createSVGPathSeg* functions to SVGPathElement.
+          this._segmentChanged();
+        },
+        enumerable: true
+      }
+    }); // Add createSVGPathSeg* functions to SVGPathElement.
     // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathElement.
+
     SVGPathElement.prototype.createSVGPathSegClosePath = function () {
       return new _SVGPathSegClosePath(undefined);
     };
+
     SVGPathElement.prototype.createSVGPathSegMovetoAbs = function (x, y) {
       return new _SVGPathSegMovetoAbs(undefined, x, y);
     };
+
     SVGPathElement.prototype.createSVGPathSegMovetoRel = function (x, y) {
       return new _SVGPathSegMovetoRel(undefined, x, y);
     };
+
     SVGPathElement.prototype.createSVGPathSegLinetoAbs = function (x, y) {
       return new _SVGPathSegLinetoAbs(undefined, x, y);
     };
+
     SVGPathElement.prototype.createSVGPathSegLinetoRel = function (x, y) {
       return new _SVGPathSegLinetoRel(undefined, x, y);
     };
+
     SVGPathElement.prototype.createSVGPathSegCurvetoCubicAbs = function (x, y, x1, y1, x2, y2) {
       return new _SVGPathSegCurvetoCubicAbs(undefined, x, y, x1, y1, x2, y2);
     };
+
     SVGPathElement.prototype.createSVGPathSegCurvetoCubicRel = function (x, y, x1, y1, x2, y2) {
       return new _SVGPathSegCurvetoCubicRel(undefined, x, y, x1, y1, x2, y2);
     };
+
     SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticAbs = function (x, y, x1, y1) {
       return new _SVGPathSegCurvetoQuadraticAbs(undefined, x, y, x1, y1);
     };
+
     SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticRel = function (x, y, x1, y1) {
       return new _SVGPathSegCurvetoQuadraticRel(undefined, x, y, x1, y1);
     };
+
     SVGPathElement.prototype.createSVGPathSegArcAbs = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
       return new _SVGPathSegArcAbs(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
     };
+
     SVGPathElement.prototype.createSVGPathSegArcRel = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
       return new _SVGPathSegArcRel(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
     };
+
     SVGPathElement.prototype.createSVGPathSegLinetoHorizontalAbs = function (x) {
       return new _SVGPathSegLinetoHorizontalAbs(undefined, x);
     };
+
     SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel = function (x) {
       return new _SVGPathSegLinetoHorizontalRel(undefined, x);
     };
+
     SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs = function (y) {
       return new _SVGPathSegLinetoVerticalAbs(undefined, y);
     };
+
     SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel = function (y) {
       return new _SVGPathSegLinetoVerticalRel(undefined, y);
     };
+
     SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs = function (x, y, x2, y2) {
       return new _SVGPathSegCurvetoCubicSmoothAbs(undefined, x, y, x2, y2);
     };
+
     SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel = function (x, y, x2, y2) {
       return new _SVGPathSegCurvetoCubicSmoothRel(undefined, x, y, x2, y2);
     };
+
     SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs = function (x, y) {
       return new _SVGPathSegCurvetoQuadraticSmoothAbs(undefined, x, y);
     };
+
     SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel = function (x, y) {
       return new _SVGPathSegCurvetoQuadraticSmoothRel(undefined, x, y);
     };
@@ -1506,20 +1834,22 @@ var getReverseNS = function getReverseNS() {
 
         var measurementElement = document.createElementNS('http://www.w3.org/2000/svg', 'path');
         measurementElement.setAttribute('d', this.getAttribute('d'));
-        var lastPathSegment = measurementElement.pathSegList.numberOfItems - 1;
+        var lastPathSegment = measurementElement.pathSegList.numberOfItems - 1; // If the path is empty, return 0.
 
-        // If the path is empty, return 0.
         if (lastPathSegment <= 0) {
           return 0;
         }
 
         do {
           measurementElement.pathSegList.removeItem(lastPathSegment);
+
           if (distance > measurementElement.getTotalLength()) {
             break;
           }
+
           lastPathSegment--;
         } while (lastPathSegment > 0);
+
         return lastPathSegment;
       };
     }
@@ -1544,127 +1874,141 @@ var getReverseNS = function getReverseNS() {
     window.SVGPathSegCurvetoCubicSmoothRel = _SVGPathSegCurvetoCubicSmoothRel;
     window.SVGPathSegCurvetoQuadraticSmoothAbs = _SVGPathSegCurvetoQuadraticSmoothAbs;
     window.SVGPathSegCurvetoQuadraticSmoothRel = _SVGPathSegCurvetoQuadraticSmoothRel;
-  }
-
-  // Checking for SVGPathSegList in window checks for the case of an implementation without the
+  } // Checking for SVGPathSegList in window checks for the case of an implementation without the
   // SVGPathSegList API.
   // The second check for appendItem is specific to Firefox 59+ which removed only parts of the
   // SVGPathSegList API (e.g., appendItem). In this case we need to re-implement the entire API
   // so the polyfill data (i.e., _list) is used throughout.
+
+
   if (!('SVGPathSegList' in window) || !('appendItem' in window.SVGPathSegList.prototype)) {
     // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSegList
-    var SVGPathSegList = function () {
+    var SVGPathSegList =
+    /*#__PURE__*/
+    function () {
       function SVGPathSegList(pathElement) {
-        classCallCheck(this, SVGPathSegList);
+        _classCallCheck(this, SVGPathSegList);
 
         this._pathElement = pathElement;
-        this._list = this._parsePath(this._pathElement.getAttribute('d'));
+        this._list = this._parsePath(this._pathElement.getAttribute('d')); // Use a MutationObserver to catch changes to the path's "d" attribute.
 
-        // Use a MutationObserver to catch changes to the path's "d" attribute.
-        this._mutationObserverConfig = { attributes: true, attributeFilter: ['d'] };
+        this._mutationObserverConfig = {
+          attributes: true,
+          attributeFilter: ['d']
+        };
         this._pathElementMutationObserver = new MutationObserver(this._updateListFromPathMutations.bind(this));
+
         this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
-      }
-      // Process any pending mutations to the path element and update the list as needed.
+      } // Process any pending mutations to the path element and update the list as needed.
       // This should be the first call of all public functions and is needed because
       // MutationObservers are not synchronous so we can have pending asynchronous mutations.
 
 
-      createClass(SVGPathSegList, [{
-        key: '_checkPathSynchronizedToList',
+      _createClass(SVGPathSegList, [{
+        key: "_checkPathSynchronizedToList",
         value: function _checkPathSynchronizedToList() {
           this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords());
         }
       }, {
-        key: '_updateListFromPathMutations',
+        key: "_updateListFromPathMutations",
         value: function _updateListFromPathMutations(mutationRecords) {
           if (!this._pathElement) {
             return;
           }
+
           var hasPathMutations = false;
           mutationRecords.forEach(function (record) {
             if (record.attributeName === 'd') {
               hasPathMutations = true;
             }
           });
+
           if (hasPathMutations) {
             this._list = this._parsePath(this._pathElement.getAttribute('d'));
           }
-        }
-
-        // Serialize the list and update the path's 'd' attribute.
+        } // Serialize the list and update the path's 'd' attribute.
 
       }, {
-        key: '_writeListToPath',
+        key: "_writeListToPath",
         value: function _writeListToPath() {
           this._pathElementMutationObserver.disconnect();
-          this._pathElement.setAttribute('d', SVGPathSegList._pathSegArrayAsString(this._list));
-          this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
-        }
 
-        // When a path segment changes the list needs to be synchronized back to the path element.
+          this._pathElement.setAttribute('d', SVGPathSegList._pathSegArrayAsString(this._list));
+
+          this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
+        } // When a path segment changes the list needs to be synchronized back to the path element.
 
       }, {
-        key: 'segmentChanged',
+        key: "segmentChanged",
         value: function segmentChanged(pathSeg) {
           this._writeListToPath();
         }
       }, {
-        key: 'clear',
+        key: "clear",
         value: function clear() {
           this._checkPathSynchronizedToList();
 
           this._list.forEach(function (pathSeg) {
             pathSeg._owningPathSegList = null;
           });
+
           this._list = [];
+
           this._writeListToPath();
         }
       }, {
-        key: 'initialize',
+        key: "initialize",
         value: function initialize(newItem) {
           this._checkPathSynchronizedToList();
 
           this._list = [newItem];
           newItem._owningPathSegList = this;
+
           this._writeListToPath();
+
           return newItem;
         }
       }, {
-        key: '_checkValidIndex',
+        key: "_checkValidIndex",
         value: function _checkValidIndex(index) {
           if (isNaN(index) || index < 0 || index >= this.numberOfItems) {
             throw new Error('INDEX_SIZE_ERR');
           }
         }
       }, {
-        key: 'getItem',
+        key: "getItem",
         value: function getItem(index) {
           this._checkPathSynchronizedToList();
 
           this._checkValidIndex(index);
+
           return this._list[index];
         }
       }, {
-        key: 'insertItemBefore',
+        key: "insertItemBefore",
         value: function insertItemBefore(newItem, index) {
-          this._checkPathSynchronizedToList();
+          this._checkPathSynchronizedToList(); // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.
+
 
-          // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.
           if (index > this.numberOfItems) {
             index = this.numberOfItems;
           }
+
           if (newItem._owningPathSegList) {
             // SVG2 spec says to make a copy.
             newItem = newItem.clone();
           }
+
           this._list.splice(index, 0, newItem);
+
           newItem._owningPathSegList = this;
+
           this._writeListToPath();
+
           return newItem;
         }
       }, {
-        key: 'replaceItem',
+        key: "replaceItem",
         value: function replaceItem(newItem, index) {
           this._checkPathSynchronizedToList();
 
@@ -1672,25 +2016,33 @@ var getReverseNS = function getReverseNS() {
             // SVG2 spec says to make a copy.
             newItem = newItem.clone();
           }
+
           this._checkValidIndex(index);
+
           this._list[index] = newItem;
           newItem._owningPathSegList = this;
+
           this._writeListToPath();
+
           return newItem;
         }
       }, {
-        key: 'removeItem',
+        key: "removeItem",
         value: function removeItem(index) {
           this._checkPathSynchronizedToList();
 
           this._checkValidIndex(index);
+
           var item = this._list[index];
+
           this._list.splice(index, 1);
+
           this._writeListToPath();
+
           return item;
         }
       }, {
-        key: 'appendItem',
+        key: "appendItem",
         value: function appendItem(newItem) {
           this._checkPathSynchronizedToList();
 
@@ -1698,17 +2050,18 @@ var getReverseNS = function getReverseNS() {
             // SVG2 spec says to make a copy.
             newItem = newItem.clone();
           }
-          this._list.push(newItem);
-          newItem._owningPathSegList = this;
-          // TODO: Optimize this to just append to the existing attribute.
-          this._writeListToPath();
-          return newItem;
-        }
 
-        // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.
+          this._list.push(newItem);
+
+          newItem._owningPathSegList = this; // TODO: Optimize this to just append to the existing attribute.
+
+          this._writeListToPath();
+
+          return newItem;
+        } // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.
 
       }, {
-        key: '_parsePath',
+        key: "_parsePath",
         value: function _parsePath(string) {
           if (!string || !string.length) {
             return [];
@@ -1716,25 +2069,30 @@ var getReverseNS = function getReverseNS() {
 
           var owningPathSegList = this;
 
-          var Builder = function () {
+          var Builder =
+          /*#__PURE__*/
+          function () {
             function Builder() {
-              classCallCheck(this, Builder);
+              _classCallCheck(this, Builder);
 
               this.pathSegList = [];
             }
 
-            createClass(Builder, [{
-              key: 'appendSegment',
+            _createClass(Builder, [{
+              key: "appendSegment",
               value: function appendSegment(pathSeg) {
                 this.pathSegList.push(pathSeg);
               }
             }]);
+
             return Builder;
           }();
 
-          var Source = function () {
+          var Source =
+          /*#__PURE__*/
+          function () {
             function Source(string) {
-              classCallCheck(this, Source);
+              _classCallCheck(this, Source);
 
               this._string = string;
               this._currentIndex = 0;
@@ -1744,124 +2102,149 @@ var getReverseNS = function getReverseNS() {
               this._skipOptionalSpaces();
             }
 
-            createClass(Source, [{
-              key: '_isCurrentSpace',
+            _createClass(Source, [{
+              key: "_isCurrentSpace",
               value: function _isCurrentSpace() {
                 var character = this._string[this._currentIndex];
                 return character <= ' ' && (character === ' ' || character === '\n' || character === '\t' || character === '\r' || character === '\f');
               }
             }, {
-              key: '_skipOptionalSpaces',
+              key: "_skipOptionalSpaces",
               value: function _skipOptionalSpaces() {
                 while (this._currentIndex < this._endIndex && this._isCurrentSpace()) {
                   this._currentIndex++;
                 }
+
                 return this._currentIndex < this._endIndex;
               }
             }, {
-              key: '_skipOptionalSpacesOrDelimiter',
+              key: "_skipOptionalSpacesOrDelimiter",
               value: function _skipOptionalSpacesOrDelimiter() {
                 if (this._currentIndex < this._endIndex && !this._isCurrentSpace() && this._string.charAt(this._currentIndex) !== ',') {
                   return false;
                 }
+
                 if (this._skipOptionalSpaces()) {
                   if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === ',') {
                     this._currentIndex++;
+
                     this._skipOptionalSpaces();
                   }
                 }
+
                 return this._currentIndex < this._endIndex;
               }
             }, {
-              key: 'hasMoreData',
+              key: "hasMoreData",
               value: function hasMoreData() {
                 return this._currentIndex < this._endIndex;
               }
             }, {
-              key: 'peekSegmentType',
+              key: "peekSegmentType",
               value: function peekSegmentType() {
                 var lookahead = this._string[this._currentIndex];
                 return this._pathSegTypeFromChar(lookahead);
               }
             }, {
-              key: '_pathSegTypeFromChar',
+              key: "_pathSegTypeFromChar",
               value: function _pathSegTypeFromChar(lookahead) {
                 switch (lookahead) {
                   case 'Z':
                   case 'z':
                     return SVGPathSeg.PATHSEG_CLOSEPATH;
+
                   case 'M':
                     return SVGPathSeg.PATHSEG_MOVETO_ABS;
+
                   case 'm':
                     return SVGPathSeg.PATHSEG_MOVETO_REL;
+
                   case 'L':
                     return SVGPathSeg.PATHSEG_LINETO_ABS;
+
                   case 'l':
                     return SVGPathSeg.PATHSEG_LINETO_REL;
+
                   case 'C':
                     return SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;
+
                   case 'c':
                     return SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;
+
                   case 'Q':
                     return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;
+
                   case 'q':
                     return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;
+
                   case 'A':
                     return SVGPathSeg.PATHSEG_ARC_ABS;
+
                   case 'a':
                     return SVGPathSeg.PATHSEG_ARC_REL;
+
                   case 'H':
                     return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;
+
                   case 'h':
                     return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;
+
                   case 'V':
                     return SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;
+
                   case 'v':
                     return SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;
+
                   case 'S':
                     return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;
+
                   case 's':
                     return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;
+
                   case 'T':
                     return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;
+
                   case 't':
                     return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;
+
                   default:
                     return SVGPathSeg.PATHSEG_UNKNOWN;
                 }
               }
             }, {
-              key: '_nextCommandHelper',
+              key: "_nextCommandHelper",
               value: function _nextCommandHelper(lookahead, previousCommand) {
                 // Check for remaining coordinates in the current command.
                 if ((lookahead === '+' || lookahead === '-' || lookahead === '.' || lookahead >= '0' && lookahead <= '9') && previousCommand !== SVGPathSeg.PATHSEG_CLOSEPATH) {
                   if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_ABS) {
                     return SVGPathSeg.PATHSEG_LINETO_ABS;
                   }
+
                   if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_REL) {
                     return SVGPathSeg.PATHSEG_LINETO_REL;
                   }
+
                   return previousCommand;
                 }
+
                 return SVGPathSeg.PATHSEG_UNKNOWN;
               }
             }, {
-              key: 'initialCommandIsMoveTo',
+              key: "initialCommandIsMoveTo",
               value: function initialCommandIsMoveTo() {
                 // If the path is empty it is still valid, so return true.
                 if (!this.hasMoreData()) {
                   return true;
                 }
-                var command = this.peekSegmentType();
-                // Path must start with moveTo.
-                return command === SVGPathSeg.PATHSEG_MOVETO_ABS || command === SVGPathSeg.PATHSEG_MOVETO_REL;
-              }
 
-              // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.
+                var command = this.peekSegmentType(); // Path must start with moveTo.
+
+                return command === SVGPathSeg.PATHSEG_MOVETO_ABS || command === SVGPathSeg.PATHSEG_MOVETO_REL;
+              } // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.
               // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-PathDataBNF
 
             }, {
-              key: '_parseNumber',
+              key: "_parseNumber",
               value: function _parseNumber() {
                 var exponent = 0;
                 var integer = 0;
@@ -1869,12 +2252,11 @@ var getReverseNS = function getReverseNS() {
                 var decimal = 0;
                 var sign = 1;
                 var expsign = 1;
-
                 var startIndex = this._currentIndex;
 
-                this._skipOptionalSpaces();
+                this._skipOptionalSpaces(); // Read the sign.
+
 
-                // Read the sign.
                 if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '+') {
                   this._currentIndex++;
                 } else if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '-') {
@@ -1885,10 +2267,11 @@ var getReverseNS = function getReverseNS() {
                 if (this._currentIndex === this._endIndex || (this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') && this._string.charAt(this._currentIndex) !== '.') {
                   // The first character of a number must be one of [0-9+-.].
                   return undefined;
-                }
+                } // Read the integer part, build right-to-left.
+
 
-                // Read the integer part, build right-to-left.
                 var startIntPartIndex = this._currentIndex;
+
                 while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {
                   this._currentIndex++; // Advance to first non-digit.
                 }
@@ -1896,40 +2279,40 @@ var getReverseNS = function getReverseNS() {
                 if (this._currentIndex !== startIntPartIndex) {
                   var scanIntPartIndex = this._currentIndex - 1;
                   var multiplier = 1;
+
                   while (scanIntPartIndex >= startIntPartIndex) {
                     integer += multiplier * (this._string.charAt(scanIntPartIndex--) - '0');
                     multiplier *= 10;
                   }
-                }
+                } // Read the decimals.
+
 
-                // Read the decimals.
                 if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '.') {
-                  this._currentIndex++;
+                  this._currentIndex++; // There must be a least one digit following the .
 
-                  // There must be a least one digit following the .
                   if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {
                     return undefined;
                   }
+
                   while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {
                     frac *= 10;
                     decimal += (this._string.charAt(this._currentIndex) - '0') / frac;
                     this._currentIndex += 1;
                   }
-                }
+                } // Read the exponent part.
+
 
-                // Read the exponent part.
                 if (this._currentIndex !== startIndex && this._currentIndex + 1 < this._endIndex && (this._string.charAt(this._currentIndex) === 'e' || this._string.charAt(this._currentIndex) === 'E') && this._string.charAt(this._currentIndex + 1) !== 'x' && this._string.charAt(this._currentIndex + 1) !== 'm') {
-                  this._currentIndex++;
+                  this._currentIndex++; // Read the sign of the exponent.
 
-                  // Read the sign of the exponent.
                   if (this._string.charAt(this._currentIndex) === '+') {
                     this._currentIndex++;
                   } else if (this._string.charAt(this._currentIndex) === '-') {
                     this._currentIndex++;
                     expsign = -1;
-                  }
+                  } // There must be an exponent.
+
 
-                  // There must be an exponent.
                   if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {
                     return undefined;
                   }
@@ -1957,13 +2340,16 @@ var getReverseNS = function getReverseNS() {
                 return number;
               }
             }, {
-              key: '_parseArcFlag',
+              key: "_parseArcFlag",
               value: function _parseArcFlag() {
                 if (this._currentIndex >= this._endIndex) {
                   return undefined;
                 }
+
                 var flag = false;
+
                 var flagChar = this._string.charAt(this._currentIndex++);
+
                 if (flagChar === '0') {
                   flag = false;
                 } else if (flagChar === '1') {
@@ -1973,19 +2359,24 @@ var getReverseNS = function getReverseNS() {
                 }
 
                 this._skipOptionalSpacesOrDelimiter();
+
                 return flag;
               }
             }, {
-              key: 'parseSegment',
+              key: "parseSegment",
               value: function parseSegment() {
                 var lookahead = this._string[this._currentIndex];
+
                 var command = this._pathSegTypeFromChar(lookahead);
+
                 if (command === SVGPathSeg.PATHSEG_UNKNOWN) {
                   // Possibly an implicit command. Not allowed if this is the first command.
                   if (this._previousCommand === SVGPathSeg.PATHSEG_UNKNOWN) {
                     return null;
                   }
+
                   command = this._nextCommandHelper(lookahead, this._previousCommand);
+
                   if (command === SVGPathSeg.PATHSEG_UNKNOWN) {
                     return null;
                   }
@@ -1998,63 +2389,141 @@ var getReverseNS = function getReverseNS() {
                 switch (command) {
                   case SVGPathSeg.PATHSEG_MOVETO_REL:
                     return new SVGPathSegMovetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                   case SVGPathSeg.PATHSEG_MOVETO_ABS:
                     return new SVGPathSegMovetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                   case SVGPathSeg.PATHSEG_LINETO_REL:
                     return new SVGPathSegLinetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                   case SVGPathSeg.PATHSEG_LINETO_ABS:
                     return new SVGPathSegLinetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                   case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:
                     return new SVGPathSegLinetoHorizontalRel(owningPathSegList, this._parseNumber());
+
                   case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:
                     return new SVGPathSegLinetoHorizontalAbs(owningPathSegList, this._parseNumber());
+
                   case SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:
                     return new SVGPathSegLinetoVerticalRel(owningPathSegList, this._parseNumber());
+
                   case SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:
                     return new SVGPathSegLinetoVerticalAbs(owningPathSegList, this._parseNumber());
+
                   case SVGPathSeg.PATHSEG_CLOSEPATH:
                     this._skipOptionalSpaces();
+
                     return new SVGPathSegClosePath(owningPathSegList);
+
                   case SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:
                     {
-                      var _points = { x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                      var _points = {
+                        x1: this._parseNumber(),
+                        y1: this._parseNumber(),
+                        x2: this._parseNumber(),
+                        y2: this._parseNumber(),
+                        x: this._parseNumber(),
+                        y: this._parseNumber()
+                      };
                       return new SVGPathSegCurvetoCubicRel(owningPathSegList, _points.x, _points.y, _points.x1, _points.y1, _points.x2, _points.y2);
-                    }case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:
+                    }
+
+                  case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:
                     {
-                      var _points2 = { x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                      var _points2 = {
+                        x1: this._parseNumber(),
+                        y1: this._parseNumber(),
+                        x2: this._parseNumber(),
+                        y2: this._parseNumber(),
+                        x: this._parseNumber(),
+                        y: this._parseNumber()
+                      };
                       return new SVGPathSegCurvetoCubicAbs(owningPathSegList, _points2.x, _points2.y, _points2.x1, _points2.y1, _points2.x2, _points2.y2);
-                    }case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:
+                    }
+
+                  case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:
                     {
-                      var _points3 = { x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                      var _points3 = {
+                        x2: this._parseNumber(),
+                        y2: this._parseNumber(),
+                        x: this._parseNumber(),
+                        y: this._parseNumber()
+                      };
                       return new SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, _points3.x, _points3.y, _points3.x2, _points3.y2);
-                    }case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:
+                    }
+
+                  case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:
                     {
-                      var _points4 = { x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                      var _points4 = {
+                        x2: this._parseNumber(),
+                        y2: this._parseNumber(),
+                        x: this._parseNumber(),
+                        y: this._parseNumber()
+                      };
                       return new SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, _points4.x, _points4.y, _points4.x2, _points4.y2);
-                    }case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:
+                    }
+
+                  case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:
                     {
-                      var _points5 = { x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                      var _points5 = {
+                        x1: this._parseNumber(),
+                        y1: this._parseNumber(),
+                        x: this._parseNumber(),
+                        y: this._parseNumber()
+                      };
                       return new SVGPathSegCurvetoQuadraticRel(owningPathSegList, _points5.x, _points5.y, _points5.x1, _points5.y1);
-                    }case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:
-                    var points = { x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                    }
+
+                  case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:
+                    var points = {
+                      x1: this._parseNumber(),
+                      y1: this._parseNumber(),
+                      x: this._parseNumber(),
+                      y: this._parseNumber()
+                    };
                     return new SVGPathSegCurvetoQuadraticAbs(owningPathSegList, points.x, points.y, points.x1, points.y1);
+
                   case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:
                     return new SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                   case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:
                     return new SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                   case SVGPathSeg.PATHSEG_ARC_REL:
                     {
-                      var _points6 = { x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber() };
+                      var _points6 = {
+                        x1: this._parseNumber(),
+                        y1: this._parseNumber(),
+                        arcAngle: this._parseNumber(),
+                        arcLarge: this._parseArcFlag(),
+                        arcSweep: this._parseArcFlag(),
+                        x: this._parseNumber(),
+                        y: this._parseNumber()
+                      };
                       return new SVGPathSegArcRel(owningPathSegList, _points6.x, _points6.y, _points6.x1, _points6.y1, _points6.arcAngle, _points6.arcLarge, _points6.arcSweep);
-                    }case SVGPathSeg.PATHSEG_ARC_ABS:
+                    }
+
+                  case SVGPathSeg.PATHSEG_ARC_ABS:
                     {
-                      var _points7 = { x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber() };
+                      var _points7 = {
+                        x1: this._parseNumber(),
+                        y1: this._parseNumber(),
+                        arcAngle: this._parseNumber(),
+                        arcLarge: this._parseArcFlag(),
+                        arcSweep: this._parseArcFlag(),
+                        x: this._parseNumber(),
+                        y: this._parseNumber()
+                      };
                       return new SVGPathSegArcAbs(owningPathSegList, _points7.x, _points7.y, _points7.x1, _points7.y1, _points7.arcAngle, _points7.arcLarge, _points7.arcSweep);
-                    }default:
+                    }
+
+                  default:
                     throw new Error('Unknown path seg type.');
                 }
               }
             }]);
+
             return Source;
           }();
 
@@ -2064,28 +2533,31 @@ var getReverseNS = function getReverseNS() {
           if (!source.initialCommandIsMoveTo()) {
             return [];
           }
+
           while (source.hasMoreData()) {
             var pathSeg = source.parseSegment();
+
             if (!pathSeg) {
               return [];
             }
+
             builder.appendSegment(pathSeg);
           }
 
           return builder.pathSegList;
         }
       }]);
+
       return SVGPathSegList;
     }();
 
     SVGPathSegList.prototype.classname = 'SVGPathSegList';
-
     Object.defineProperty(SVGPathSegList.prototype, 'numberOfItems', {
-      get: function get$$1() {
+      get: function get() {
         this._checkPathSynchronizedToList();
+
         return this._list.length;
       },
-
       enumerable: true
     });
 
@@ -2101,56 +2573,55 @@ var getReverseNS = function getReverseNS() {
         }
       });
       return string;
-    };
-
-    // Add the pathSegList accessors to SVGPathElement.
+    }; // Add the pathSegList accessors to SVGPathElement.
     // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGAnimatedPathData
+
+
     Object.defineProperties(SVGPathElement.prototype, {
       pathSegList: {
-        get: function get$$1() {
+        get: function get() {
           if (!this._pathSegList) {
             this._pathSegList = new SVGPathSegList(this);
           }
+
           return this._pathSegList;
         },
-
         enumerable: true
       },
       // FIXME: The following are not implemented and simply return SVGPathElement.pathSegList.
       normalizedPathSegList: {
-        get: function get$$1() {
+        get: function get() {
           return this.pathSegList;
         },
-        enumerable: true },
+        enumerable: true
+      },
       animatedPathSegList: {
-        get: function get$$1() {
+        get: function get() {
           return this.pathSegList;
         },
-        enumerable: true },
+        enumerable: true
+      },
       animatedNormalizedPathSegList: {
-        get: function get$$1() {
+        get: function get() {
           return this.pathSegList;
         },
-        enumerable: true }
+        enumerable: true
+      }
     });
     window.SVGPathSegList = SVGPathSegList;
   }
 })();
 
 /* globals jQuery */
-
 var $ = jQuery;
 
 var supportsSVG_ = function () {
   return !!document.createElementNS && !!document.createElementNS(NS.SVG, 'svg').createSVGRect;
 }();
-
 var _navigator = navigator,
     userAgent = _navigator.userAgent;
+var svg = document.createElementNS(NS.SVG, 'svg'); // Note: Browser sniffing should only be used if no other detection method is possible
 
-var svg = document.createElementNS(NS.SVG, 'svg');
-
-// Note: Browser sniffing should only be used if no other detection method is possible
 var isOpera_ = !!window.opera;
 var isWebkit_ = userAgent.includes('AppleWebKit');
 var isGecko_ = userAgent.includes('Gecko/');
@@ -2166,18 +2637,20 @@ var supportsSelectors_ = function () {
 
 var supportsXpath_ = function () {
   return !!document.evaluate;
-}();
+}(); // segList functions (for FF1.5 and 2.0)
+
 
-// segList functions (for FF1.5 and 2.0)
 var supportsPathReplaceItem_ = function () {
   var path = document.createElementNS(NS.SVG, 'path');
   path.setAttribute('d', 'M0,0 10,10');
   var seglist = path.pathSegList;
   var seg = path.createSVGPathSegLinetoAbs(5, 5);
+
   try {
     seglist.replaceItem(seg, 1);
     return true;
   } catch (err) {}
+
   return false;
 }();
 
@@ -2186,14 +2659,16 @@ var supportsPathInsertItemBefore_ = function () {
   path.setAttribute('d', 'M0,0 10,10');
   var seglist = path.pathSegList;
   var seg = path.createSVGPathSegLinetoAbs(5, 5);
+
   try {
     seglist.insertItemBefore(seg, 1);
     return true;
   } catch (err) {}
-  return false;
-}();
 
-// text character positioning (for IE9)
+  return false;
+}(); // text character positioning (for IE9)
+
+
 var supportsGoodTextCharPos_ = function () {
   var svgroot = document.createElementNS(NS.SVG, 'svg');
   var svgcontent = document.createElementNS(NS.SVG, 'svg');
@@ -2217,9 +2692,9 @@ var supportsPathBBox_ = function () {
   var bbox = path.getBBox();
   svgcontent.remove();
   return bbox.height > 4 && bbox.height < 5;
-}();
+}(); // Support for correct bbox sizing on groups with horizontal/vertical lines
+
 
-// Support for correct bbox sizing on groups with horizontal/vertical lines
 var supportsHVLineContainerBBox_ = function () {
   var svgcontent = document.createElementNS(NS.SVG, 'svg');
   document.documentElement.append(svgcontent);
@@ -2231,8 +2706,8 @@ var supportsHVLineContainerBBox_ = function () {
   g.append(path, path2);
   svgcontent.append(g);
   var bbox = g.getBBox();
-  svgcontent.remove();
-  // Webkit gives 0, FF gives 10, Opera (correctly) gives 15
+  svgcontent.remove(); // Webkit gives 0, FF gives 10, Opera (correctly) gives 15
+
   return bbox.width === 15;
 }();
 
@@ -2242,10 +2717,12 @@ var supportsGoodDecimals_ = function () {
   rect.setAttribute('x', 0.1);
   var crect = rect.cloneNode(false);
   var retValue = !crect.getAttribute('x').includes(',');
+
   if (!retValue) {
     // Todo: i18nize or remove
     $.alert('NOTE: This version of Opera is known to contain bugs in SVG-edit.\n' + 'Please upgrade to the <a href="http://opera.com">latest version</a> in which the problems have been fixed.');
   }
+
   return retValue;
 }();
 
@@ -2260,17 +2737,17 @@ var supportsNativeSVGTransformLists_ = function () {
   var rxform = rect.transform.baseVal;
   var t1 = svg.createSVGTransform();
   rxform.appendItem(t1);
-  var r1 = rxform.getItem(0);
-  // Todo: Do frame-independent instance checking
-  return r1 instanceof SVGTransform && t1 instanceof SVGTransform && r1.type === t1.type && r1.angle === t1.angle && r1.matrix.a === t1.matrix.a && r1.matrix.b === t1.matrix.b && r1.matrix.c === t1.matrix.c && r1.matrix.d === t1.matrix.d && r1.matrix.e === t1.matrix.e && r1.matrix.f === t1.matrix.f;
-}();
+  var r1 = rxform.getItem(0); // Todo: Do frame-independent instance checking
 
-// Public API
+  return r1 instanceof SVGTransform && t1 instanceof SVGTransform && r1.type === t1.type && r1.angle === t1.angle && r1.matrix.a === t1.matrix.a && r1.matrix.b === t1.matrix.b && r1.matrix.c === t1.matrix.c && r1.matrix.d === t1.matrix.d && r1.matrix.e === t1.matrix.e && r1.matrix.f === t1.matrix.f;
+}(); // Public API
 
 /**
  * @function module:browser.isOpera
  * @returns {boolean}
 */
+
+
 var isOpera = function isOpera() {
   return isOpera_;
 };
@@ -2278,6 +2755,7 @@ var isOpera = function isOpera() {
  * @function module:browser.isWebkit
  * @returns {boolean}
 */
+
 var isWebkit = function isWebkit() {
   return isWebkit_;
 };
@@ -2285,6 +2763,7 @@ var isWebkit = function isWebkit() {
  * @function module:browser.isGecko
  * @returns {boolean}
 */
+
 var isGecko = function isGecko() {
   return isGecko_;
 };
@@ -2292,6 +2771,7 @@ var isGecko = function isGecko() {
  * @function module:browser.isIE
  * @returns {boolean}
 */
+
 var isIE = function isIE() {
   return isIE_;
 };
@@ -2299,6 +2779,7 @@ var isIE = function isIE() {
  * @function module:browser.isChrome
  * @returns {boolean}
 */
+
 var isChrome = function isChrome() {
   return isChrome_;
 };
@@ -2306,6 +2787,7 @@ var isChrome = function isChrome() {
  * @function module:browser.isMac
  * @returns {boolean}
 */
+
 var isMac = function isMac() {
   return isMac_;
 };
@@ -2313,78 +2795,79 @@ var isMac = function isMac() {
  * @function module:browser.isTouch
  * @returns {boolean}
 */
+
 var isTouch = function isTouch() {
   return isTouch_;
 };
-
 /**
  * @function module:browser.supportsSelectors
  * @returns {boolean}
 */
+
 var supportsSelectors = function supportsSelectors() {
   return supportsSelectors_;
 };
-
 /**
  * @function module:browser.supportsXpath
  * @returns {boolean}
 */
+
 var supportsXpath = function supportsXpath() {
   return supportsXpath_;
 };
-
 /**
  * @function module:browser.supportsPathReplaceItem
  * @returns {boolean}
 */
+
 var supportsPathReplaceItem = function supportsPathReplaceItem() {
   return supportsPathReplaceItem_;
 };
-
 /**
  * @function module:browser.supportsPathInsertItemBefore
  * @returns {boolean}
 */
+
 var supportsPathInsertItemBefore = function supportsPathInsertItemBefore() {
   return supportsPathInsertItemBefore_;
 };
-
 /**
  * @function module:browser.supportsPathBBox
  * @returns {boolean}
 */
+
 var supportsPathBBox = function supportsPathBBox() {
   return supportsPathBBox_;
 };
-
 /**
  * @function module:browser.supportsHVLineContainerBBox
  * @returns {boolean}
 */
+
 var supportsHVLineContainerBBox = function supportsHVLineContainerBBox() {
   return supportsHVLineContainerBBox_;
 };
-
 /**
  * @function module:browser.supportsGoodTextCharPos
  * @returns {boolean}
 */
+
 var supportsGoodTextCharPos = function supportsGoodTextCharPos() {
   return supportsGoodTextCharPos_;
 };
-
 /**
 * @function module:browser.supportsNonScalingStroke
 * @returns {boolean}
 */
+
 var supportsNonScalingStroke = function supportsNonScalingStroke() {
   return supportsNonScalingStroke_;
 };
-
 /**
 * @function module:browser.supportsNativeTransformLists
 * @returns {boolean}
 */
+
 var supportsNativeTransformLists = function supportsNativeTransformLists() {
   return supportsNativeSVGTransformLists_;
 };
@@ -2415,20 +2898,24 @@ function jqPluginSVG ($) {
   /**
   * @typedef {PlainObject.<string, string|Float>} module:jQueryAttr.Attributes
   */
+
   /**
   * @function external:jQuery.fn.attr
   * @param {string|string[]|PlainObject.<string, string>} key
   * @param {string} value
   * @returns {external:jQuery|module:jQueryAttr.Attributes}
   */
+
   $.fn.attr = function (key, value) {
     var len = this.length;
+
     if (!len) {
       return proxied.apply(this, arguments);
     }
+
     for (var i = 0; i < len; ++i) {
-      var elem = this[i];
-      // set/get SVG attribute
+      var elem = this[i]; // set/get SVG attribute
+
       if (elem.namespaceURI === svgns) {
         // Setting attribute
         if (value !== undefined) {
@@ -2440,87 +2927,67 @@ function jqPluginSVG ($) {
 
           while (j--) {
             var aname = key[j];
-            var attr = elem.getAttribute(aname);
-            // This returns a number when appropriate
+            var attr = elem.getAttribute(aname); // This returns a number when appropriate
+
             if (attr || attr === '0') {
               attr = isNaN(attr) ? attr : attr - 0;
             }
+
             obj[aname] = attr;
           }
+
           return obj;
         }
-        if ((typeof key === 'undefined' ? 'undefined' : _typeof(key)) === 'object') {
+
+        if (_typeof(key) === 'object') {
           // Setting attributes from object
-          var _iteratorNormalCompletion = true;
-          var _didIteratorError = false;
-          var _iteratorError = undefined;
+          var _arr = Object.entries(key);
 
-          try {
-            for (var _iterator = Object.entries(key)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
-              var _ref = _step.value;
+          for (var _i = 0; _i < _arr.length; _i++) {
+            var _arr$_i = _slicedToArray(_arr[_i], 2),
+                name = _arr$_i[0],
+                val = _arr$_i[1];
 
-              var _ref2 = slicedToArray(_ref, 2);
+            elem.setAttribute(name, val);
+          } // Getting attribute
 
-              var name = _ref2[0];
-              var val = _ref2[1];
-
-              elem.setAttribute(name, val);
-            }
-            // Getting attribute
-          } catch (err) {
-            _didIteratorError = true;
-            _iteratorError = err;
-          } finally {
-            try {
-              if (!_iteratorNormalCompletion && _iterator.return) {
-                _iterator.return();
-              }
-            } finally {
-              if (_didIteratorError) {
-                throw _iteratorError;
-              }
-            }
-          }
         } else {
           var _attr = elem.getAttribute(key);
+
           if (_attr || _attr === '0') {
             _attr = isNaN(_attr) ? _attr : _attr - 0;
           }
+
           return _attr;
         }
       } else {
         return proxied.apply(this, arguments);
       }
     }
+
     return this;
   };
+
   return $;
 }
 
-/**
- * Partial polyfill of `SVGTransformList`
- * @module SVGTransformList
- *
- * @license MIT
- *
- * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller
- */
+var svgroot = document.createElementNS(NS.SVG, 'svg'); // Helper function.
 
-var svgroot = document.createElementNS(NS.SVG, 'svg');
-
-// Helper function.
 function transformToString(xform) {
   var m = xform.matrix;
   var text = '';
+
   switch (xform.type) {
     case 1:
       // MATRIX
       text = 'matrix(' + [m.a, m.b, m.c, m.d, m.e, m.f].join(',') + ')';
       break;
+
     case 2:
       // TRANSLATE
       text = 'translate(' + m.e + ',' + m.f + ')';
       break;
+
     case 3:
       // SCALE
       if (m.a === m.d) {
@@ -2528,49 +2995,57 @@ function transformToString(xform) {
       } else {
         text = 'scale(' + m.a + ',' + m.d + ')';
       }
+
       break;
+
     case 4:
       {
         // ROTATE
         var cx = 0;
-        var cy = 0;
-        // this prevents divide by zero
+        var cy = 0; // this prevents divide by zero
+
         if (xform.angle !== 0) {
           var K = 1 - m.a;
           cy = (K * m.f + m.b * m.e) / (K * K + m.b * m.b);
           cx = (m.e - m.b * cy) / K;
         }
+
         text = 'rotate(' + xform.angle + ' ' + cx + ',' + cy + ')';
         break;
       }
   }
+
   return text;
 }
-
 /**
  * Map of SVGTransformList objects.
  */
-var listMap_ = {};
 
+
+var listMap_ = {};
 /**
 * @interface module:SVGTransformList.SVGEditTransformList
 * @property {Integer} numberOfItems unsigned long
 */
+
 /**
 * @function module:SVGTransformList.SVGEditTransformList#clear
 * @returns {undefined}
 */
+
 /**
 * @function module:SVGTransformList.SVGEditTransformList#initialize
 * @param {SVGTransform} newItem
 * @returns {SVGTransform}
 */
+
 /**
 * (DOES NOT THROW DOMException, INDEX_SIZE_ERR)
 * @function module:SVGTransformList.SVGEditTransformList#getItem
 * @param {Integer} index unsigned long
 * @returns {SVGTransform}
 */
+
 /**
 * (DOES NOT THROW DOMException, INDEX_SIZE_ERR)
 * @function module:SVGTransformList.SVGEditTransformList#insertItemBefore
@@ -2578,6 +3053,7 @@ var listMap_ = {};
 * @param {Integer} index unsigned long
 * @returns {SVGTransform}
 */
+
 /**
 * (DOES NOT THROW DOMException, INDEX_SIZE_ERR)
 * @function module:SVGTransformList.SVGEditTransformList#replaceItem
@@ -2585,17 +3061,20 @@ var listMap_ = {};
 * @param {Integer} index unsigned long
 * @returns {SVGTransform}
 */
+
 /**
 * (DOES NOT THROW DOMException, INDEX_SIZE_ERR)
 * @function module:SVGTransformList.SVGEditTransformList#removeItem
 * @param {Integer} index unsigned long
 * @returns {SVGTransform}
 */
+
 /**
 * @function module:SVGTransformList.SVGEditTransformList#appendItem
 * @param {SVGTransform} newItem
 * @returns {SVGTransform}
 */
+
 /**
 * NOT IMPLEMENTED
 * @ignore
@@ -2603,6 +3082,7 @@ var listMap_ = {};
 * @param {SVGMatrix} matrix
 * @returns {SVGTransform}
 */
+
 /**
 * NOT IMPLEMENTED
 * @ignore
@@ -2616,41 +3096,51 @@ var listMap_ = {};
 * These methods also do not check that transforms are being inserted.  This is basically
 * implementing as much of SVGTransformList that we need to get the job done.
 */
-var SVGTransformList = function () {
+
+var SVGTransformList =
+/*#__PURE__*/
+function () {
   /**
   * @param {Element} elem
   */
   function SVGTransformList(elem) {
-    classCallCheck(this, SVGTransformList);
+    _classCallCheck(this, SVGTransformList);
 
     this._elem = elem || null;
-    this._xforms = [];
-    // TODO: how do we capture the undo-ability in the changed transform list?
+    this._xforms = []; // TODO: how do we capture the undo-ability in the changed transform list?
+
     this._update = function () {
-      var tstr = '';
-      // /* const concatMatrix = */ svgroot.createSVGMatrix();
+      var tstr = ''; // /* const concatMatrix = */ svgroot.createSVGMatrix();
+
       for (var i = 0; i < this.numberOfItems; ++i) {
         var xform = this._list.getItem(i);
+
         tstr += transformToString(xform) + ' ';
       }
+
       this._elem.setAttribute('transform', tstr);
     };
+
     this._list = this;
+
     this._init = function () {
       var _this = this;
 
       // Transform attribute parser
       var str = this._elem.getAttribute('transform');
+
       if (!str) {
         return;
-      }
+      } // TODO: Add skew support in future
+
 
-      // TODO: Add skew support in future
       var re = /\s*((scale|matrix|rotate|translate)\s*\(.*?\))\s*,?\s*/;
       var m = true;
+
       while (m) {
         m = str.match(re);
         str = str.replace(re, '');
+
         if (m && m[1]) {
           (function () {
             var x = m[1];
@@ -2663,6 +3153,7 @@ var SVGTransformList = function () {
             var mtx = svgroot.createSVGMatrix();
             Object.values(valArr).forEach(function (item, i) {
               valArr[i] = parseFloat(item);
+
               if (name === 'matrix') {
                 mtx[letters[i]] = valArr[i];
               }
@@ -2678,19 +3169,24 @@ var SVGTransformList = function () {
             } else if (name === 'rotate' && values.length === 1) {
               values.push(0, 0);
             }
+
             xform[fname].apply(xform, values);
+
             _this._list.appendItem(xform);
           })();
         }
       }
     };
+
     this._removeFromOtherLists = function (item) {
       if (item) {
         // Check if this transform is already in a transformlist, and
         // remove it if so.
         var found = false;
+
         for (var id in listMap_) {
           var tl = listMap_[id];
+
           for (var i = 0, len = tl._xforms.length; i < len; ++i) {
             if (tl._xforms[i] === item) {
               found = true;
@@ -2698,6 +3194,7 @@ var SVGTransformList = function () {
               break;
             }
           }
+
           if (found) {
             break;
           }
@@ -2712,26 +3209,26 @@ var SVGTransformList = function () {
   */
 
 
-  createClass(SVGTransformList, [{
-    key: 'clear',
+  _createClass(SVGTransformList, [{
+    key: "clear",
     value: function clear() {
       this.numberOfItems = 0;
       this._xforms = [];
     }
-
     /**
     * @param {SVGTransform} newItem
     * @returns {SVGTransform}
     */
 
   }, {
-    key: 'initialize',
+    key: "initialize",
     value: function initialize(newItem) {
       this.numberOfItems = 1;
+
       this._removeFromOtherLists(newItem);
+
       this._xforms = [newItem];
     }
-
     /**
     * @param {Integer} index unsigned long
     * @throws {Error}
@@ -2739,16 +3236,16 @@ var SVGTransformList = function () {
     */
 
   }, {
-    key: 'getItem',
+    key: "getItem",
     value: function getItem(index) {
       if (index < this.numberOfItems && index >= 0) {
         return this._xforms[index];
       }
+
       var err = new Error('DOMException with code=INDEX_SIZE_ERR');
       err.code = 1;
       throw err;
     }
-
     /**
     * @param {SVGTransform} newItem
     * @param {Integer} index unsigned long
@@ -2756,33 +3253,40 @@ var SVGTransformList = function () {
     */
 
   }, {
-    key: 'insertItemBefore',
+    key: "insertItemBefore",
     value: function insertItemBefore(newItem, index) {
       var retValue = null;
+
       if (index >= 0) {
         if (index < this.numberOfItems) {
           this._removeFromOtherLists(newItem);
-          var newxforms = new Array(this.numberOfItems + 1);
-          // TODO: use array copying and slicing
-          var i = void 0;
+
+          var newxforms = new Array(this.numberOfItems + 1); // TODO: use array copying and slicing
+
+          var i;
+
           for (i = 0; i < index; ++i) {
             newxforms[i] = this._xforms[i];
           }
+
           newxforms[i] = newItem;
+
           for (var j = i + 1; i < this.numberOfItems; ++j, ++i) {
             newxforms[j] = this._xforms[i];
           }
+
           this.numberOfItems++;
           this._xforms = newxforms;
           retValue = newItem;
+
           this._list._update();
         } else {
           retValue = this._list.appendItem(newItem);
         }
       }
+
       return retValue;
     }
-
     /**
     * @param {SVGTransform} newItem
     * @param {Integer} index unsigned long
@@ -2790,18 +3294,21 @@ var SVGTransformList = function () {
     */
 
   }, {
-    key: 'replaceItem',
+    key: "replaceItem",
     value: function replaceItem(newItem, index) {
       var retValue = null;
+
       if (index < this.numberOfItems && index >= 0) {
         this._removeFromOtherLists(newItem);
+
         this._xforms[index] = newItem;
         retValue = newItem;
+
         this._list._update();
       }
+
       return retValue;
     }
-
     /**
     * @param {Integer} index unsigned long
     * @throws {Error}
@@ -2809,66 +3316,75 @@ var SVGTransformList = function () {
     */
 
   }, {
-    key: 'removeItem',
+    key: "removeItem",
     value: function removeItem(index) {
       if (index < this.numberOfItems && index >= 0) {
         var retValue = this._xforms[index];
         var newxforms = new Array(this.numberOfItems - 1);
-        var i = void 0;
+        var i;
+
         for (i = 0; i < index; ++i) {
           newxforms[i] = this._xforms[i];
         }
+
         for (var j = i; j < this.numberOfItems - 1; ++j, ++i) {
           newxforms[j] = this._xforms[i + 1];
         }
+
         this.numberOfItems--;
         this._xforms = newxforms;
+
         this._list._update();
+
         return retValue;
       }
+
       var err = new Error('DOMException with code=INDEX_SIZE_ERR');
       err.code = 1;
       throw err;
     }
-
     /**
     * @param {SVGTransform} newItem
     * @returns {SVGTransform}
     */
 
   }, {
-    key: 'appendItem',
+    key: "appendItem",
     value: function appendItem(newItem) {
       this._removeFromOtherLists(newItem);
+
       this._xforms.push(newItem);
+
       this.numberOfItems++;
+
       this._list._update();
+
       return newItem;
     }
   }]);
+
   return SVGTransformList;
 }();
-
 /**
 * @function module:SVGTransformList.resetListMap
 * @returns {undefined}
 */
+
 var resetListMap = function resetListMap() {
   listMap_ = {};
 };
-
 /**
  * Removes transforms of the given element from the map.
  * @function module:SVGTransformList.removeElementFromListMap
  * @param {Element} elem - a DOM Element
  * @returns {undefined}
  */
+
 var removeElementFromListMap = function removeElementFromListMap(elem) {
   if (elem.id && listMap_[elem.id]) {
     delete listMap_[elem.id];
   }
 };
-
 /**
 * Returns an object that behaves like a `SVGTransformList` for the given DOM element
 * @function module:SVGTransformList.getTransformList
@@ -2876,23 +3392,31 @@ var removeElementFromListMap = function removeElementFromListMap(elem) {
 * @todo The polyfill should have `SVGAnimatedTransformList` and this should use it
 * @returns {SVGAnimatedTransformList|SVGTransformList}
 */
+
 var getTransformList = function getTransformList(elem) {
   if (!supportsNativeTransformLists()) {
     var id = elem.id || 'temp';
     var t = listMap_[id];
+
     if (!t || id === 'temp') {
       listMap_[id] = new SVGTransformList(elem);
+
       listMap_[id]._init();
+
       t = listMap_[id];
     }
+
     return t;
   }
+
   if (elem.transform) {
     return elem.transform.baseVal;
   }
+
   if (elem.gradientTransform) {
     return elem.gradientTransform.baseVal;
   }
+
   if (elem.patternTransform) {
     return elem.patternTransform.baseVal;
   }
@@ -2907,11 +3431,10 @@ var getTransformList = function getTransformList(elem) {
  *
  * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller
  */
-
 var wAttrs = ['x', 'x1', 'cx', 'rx', 'width'];
 var hAttrs = ['y', 'y1', 'cy', 'ry', 'height'];
-var unitAttrs = ['r', 'radius'].concat(wAttrs, hAttrs);
-// unused
+var unitAttrs = ['r', 'radius'].concat(wAttrs, hAttrs); // unused
+
 /*
 const unitNumMap = {
   '%': 2,
@@ -2926,30 +3449,34 @@ const unitNumMap = {
 };
 */
 // Container of elements.
-var elementContainer_ = void 0;
 
-// Stores mapping of unit type to user coordinates.
+var elementContainer_; // Stores mapping of unit type to user coordinates.
+
 var typeMap_ = {};
-
 /**
  * @interface module:units.ElementContainer
  */
+
 /**
  * @function module:units.ElementContainer#getBaseUnit
  * @returns {string} The base unit type of the container ('em')
  */
+
 /**
  * @function module:units.ElementContainer#getElement
  * @returns {Element} An element in the container given an id
  */
+
 /**
  * @function module:units.ElementContainer#getHeight
  * @returns {Float} The container's height
  */
+
 /**
  * @function module:units.ElementContainer#getWidth
  * @returns {Float} The container's width
  */
+
 /**
  * @function module:units.ElementContainer#getRoundDigits
  * @returns {Integer} The number of digits number should be rounded to
@@ -2975,10 +3502,10 @@ var typeMap_ = {};
  * @param {module:units.ElementContainer} elementContainer - An object implementing the ElementContainer interface.
  * @returns {undefined}
  */
-var init = function init(elementContainer) {
-  elementContainer_ = elementContainer;
 
-  // Get correct em/ex values by creating a temporary SVG.
+var init = function init(elementContainer) {
+  elementContainer_ = elementContainer; // Get correct em/ex values by creating a temporary SVG.
+
   var svg = document.createElementNS(NS.SVG, 'svg');
   document.body.append(svg);
   var rect = document.createElementNS(NS.SVG, 'rect');
@@ -2988,7 +3515,6 @@ var init = function init(elementContainer) {
   svg.append(rect);
   var bb = rect.getBBox();
   svg.remove();
-
   var inch = bb.x;
   typeMap_ = {
     em: bb.width,
@@ -3002,7 +3528,6 @@ var init = function init(elementContainer) {
     '%': 0
   };
 };
-
 /**
 * Group: Unit conversion functions
 */
@@ -3011,10 +3536,10 @@ var init = function init(elementContainer) {
  * @function module:units.getTypeMap
  * @returns {module:units.TypeMap} The unit object with values for each unit
 */
+
 var getTypeMap = function getTypeMap() {
   return typeMap_;
 };
-
 /**
 * @typedef {GenericArray} module:units.CompareNumbers
 * @property {Integer} length 2
@@ -3031,31 +3556,34 @@ var getTypeMap = function getTypeMap() {
 * @returns {Float|string} If a string/number was given, returns a Float. If an array, return a string
 * with comma-separated floats
 */
+
 var shortFloat = function shortFloat(val) {
   var digits = elementContainer_.getRoundDigits();
+
   if (!isNaN(val)) {
     // Note that + converts to Number
     return +(+val).toFixed(digits);
   }
+
   if (Array.isArray(val)) {
     return shortFloat(val[0]) + ',' + shortFloat(val[1]);
   }
+
   return parseFloat(val).toFixed(digits) - 0;
 };
-
 /**
 * Converts the number to given unit or baseUnit
 * @function module:units.convertUnit
 * @returns {Float}
 */
+
 var convertUnit = function convertUnit(val, unit) {
-  unit = unit || elementContainer_.getBaseUnit();
-  // baseVal.convertToSpecifiedUnits(unitNumMap[unit]);
+  unit = unit || elementContainer_.getBaseUnit(); // baseVal.convertToSpecifiedUnits(unitNumMap[unit]);
   // const val = baseVal.valueInSpecifiedUnits;
   // baseVal.convertToSpecifiedUnits(1);
+
   return shortFloat(val / typeMap_[unit]);
 };
-
 /**
 * Sets an element's attribute based on the unit in its current value.
 *
@@ -3065,11 +3593,11 @@ var convertUnit = function convertUnit(val, unit) {
 * @param {string} val - Attribute value to convert
 * @returns {undefined}
 */
+
 var setUnitAttr = function setUnitAttr(elem, attr, val) {
   //  if (!isNaN(val)) {
   // New value is a number, so check currently used unit
   // const oldVal = elem.getAttribute(attr);
-
   // Enable this for alternate mode
   // if (oldVal !== null && (isNaN(oldVal) || elementContainer_.getBaseUnit() !== 'px')) {
   //   // Old value was a number, so get unit, then convert
@@ -3099,7 +3627,6 @@ var setUnitAttr = function setUnitAttr(elem, attr, val) {
   // }
   elem.setAttribute(attr, val);
 };
-
 /**
 * Converts given values to numbers. Attributes must be supplied in
 * case a percentage is given
@@ -3109,31 +3636,36 @@ var setUnitAttr = function setUnitAttr(elem, attr, val) {
 * @param {string} val - Attribute value to convert
 * @returns {Float} The converted number
 */
+
 var convertToNum = function convertToNum(attr, val) {
   // Return a number if that's what it already is
   if (!isNaN(val)) {
     return val - 0;
   }
+
   if (val.substr(-1) === '%') {
     // Deal with percentage, depends on attribute
     var _num = val.substr(0, val.length - 1) / 100;
+
     var width = elementContainer_.getWidth();
     var height = elementContainer_.getHeight();
 
     if (wAttrs.includes(attr)) {
       return _num * width;
     }
+
     if (hAttrs.includes(attr)) {
       return _num * height;
     }
+
     return _num * Math.sqrt(width * width + height * height) / Math.sqrt(2);
   }
+
   var unit = val.substr(-2);
-  var num = val.substr(0, val.length - 2);
-  // Note that this multiplication turns the string into a number
+  var num = val.substr(0, val.length - 2); // Note that this multiplication turns the string into a number
+
   return num * typeMap_[unit];
 };
-
 /**
 * Check if an attribute's value is in a valid format
 * @function module:units.isValidUnit
@@ -3141,67 +3673,65 @@ var convertToNum = function convertToNum(attr, val) {
 * @param {string} val - The attribute value to check
 * @returns {boolean} Whether the unit is valid
 */
+
 var isValidUnit = function isValidUnit(attr, val, selectedElement) {
   if (unitAttrs.includes(attr)) {
     // True if it's just a number
     if (!isNaN(val)) {
       return true;
-    }
-    // Not a number, check if it has a valid unit
+    } // Not a number, check if it has a valid unit
+
+
     val = val.toLowerCase();
     return Object.keys(typeMap_).some(function (unit) {
       var re = new RegExp('^-?[\\d\\.]+' + unit + '$');
       return re.test(val);
     });
   }
+
   if (attr === 'id') {
     // if we're trying to change the id, make sure it's not already present in the doc
     // and the id value is valid.
-
-    var result = false;
-    // because getElem() can throw an exception in the case of an invalid id
+    var result = false; // because getElem() can throw an exception in the case of an invalid id
     // (according to https://www.w3.org/TR/xml-id/ IDs must be a NCName)
     // we wrap it in an exception and only return true if the ID was valid and
     // not already present
+
     try {
       var elem = elementContainer_.getElement(val);
       result = elem == null || elem === selectedElement;
     } catch (e) {}
+
     return result;
   }
+
   return true;
 };
 
-/**
- * For command history tracking and undo functionality
- * @module history
- * @license MIT
- * @copyright 2010 Jeff Schiller
- */
-
 /**
 * Group: Undo/Redo history management
 */
+
 var HistoryEventTypes = {
   BEFORE_APPLY: 'before_apply',
   AFTER_APPLY: 'after_apply',
   BEFORE_UNAPPLY: 'before_unapply',
   AFTER_UNAPPLY: 'after_unapply'
-};
-
-// const removedElements = {};
+}; // const removedElements = {};
 
 /**
 * Base class for commands
 */
 
-var Command = function () {
+var Command =
+/*#__PURE__*/
+function () {
   function Command() {
-    classCallCheck(this, Command);
+    _classCallCheck(this, Command);
   }
 
-  createClass(Command, [{
-    key: 'getText',
+  _createClass(Command, [{
+    key: "getText",
 
     /**
     * @returns {string}
@@ -3210,10 +3740,9 @@ var Command = function () {
       return this.text;
     }
   }]);
-  return Command;
-}();
 
-// Todo: Figure out why the interface members aren't showing
+  return Command;
+}(); // Todo: Figure out why the interface members aren't showing
 //   up (with or without modules applied), despite our apparently following
 //   http://usejsdoc.org/tags-interface.html#virtual-comments
 
@@ -3221,6 +3750,7 @@ var Command = function () {
  * An interface that all command objects must implement.
  * @interface module:history.HistoryCommand
 */
+
 /**
  * Applies
  *
@@ -3229,6 +3759,7 @@ var Command = function () {
  * @fires module:history~Command#event:history
  * @returns {undefined|true}
  */
+
 /**
  *
  * Unapplies
@@ -3237,21 +3768,25 @@ var Command = function () {
  * @fires module:history~Command#event:history
  * @returns {undefined|true}
  */
+
 /**
  * Returns the elements
  * @function module:history.HistoryCommand#elements
  * @returns {Element[]}
  */
+
 /**
  * Gets the text
  * @function module:history.HistoryCommand#getText
  * @returns {string}
  */
+
 /**
  * Gives the type
  * @function module:history.HistoryCommand.type
  * @returns {string}
  */
+
 /**
  * Gives the type
  * @function module:history.HistoryCommand#type
@@ -3267,6 +3802,7 @@ var Command = function () {
  * An interface for objects that will handle history events.
  * @interface module:history.HistoryEventHandler
  */
+
 /**
  *
  * @function module:history.HistoryEventHandler#handleHistoryEvent
@@ -3287,14 +3823,17 @@ var Command = function () {
 */
 
 
-var MoveElementCommand = function (_Command) {
-  inherits(MoveElementCommand, _Command);
+var MoveElementCommand =
+/*#__PURE__*/
+function (_Command) {
+  _inherits(MoveElementCommand, _Command);
 
   function MoveElementCommand(elem, oldNextSibling, oldParent, text) {
-    classCallCheck(this, MoveElementCommand);
+    var _this;
 
-    var _this = possibleConstructorReturn(this, (MoveElementCommand.__proto__ || Object.getPrototypeOf(MoveElementCommand)).call(this));
+    _classCallCheck(this, MoveElementCommand);
 
+    _this = _possibleConstructorReturn(this, _getPrototypeOf(MoveElementCommand).call(this));
     _this.elem = elem;
     _this.text = text ? 'Move ' + elem.tagName + ' to ' + text : 'Move ' + elem.tagName;
     _this.oldNextSibling = oldNextSibling;
@@ -3304,12 +3843,11 @@ var MoveElementCommand = function (_Command) {
     return _this;
   }
 
-  createClass(MoveElementCommand, [{
-    key: 'type',
+  _createClass(MoveElementCommand, [{
+    key: "type",
     value: function type() {
       return 'svgedit.history.MoveElementCommand';
     }
-
     /**
      * Re-positions the element
      * @param {module:history.HistoryEventHandler} handler
@@ -3318,7 +3856,7 @@ var MoveElementCommand = function (_Command) {
     */
 
   }, {
-    key: 'apply',
+    key: "apply",
     value: function apply(handler) {
       // TODO(codedread): Refactor this common event code into a base HistoryCommand class.
       if (handler) {
@@ -3331,7 +3869,6 @@ var MoveElementCommand = function (_Command) {
         handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);
       }
     }
-
     /**
      * Positions the element back to its original location
      * @param {module:history.HistoryEventHandler} handler
@@ -3340,7 +3877,7 @@ var MoveElementCommand = function (_Command) {
     */
 
   }, {
-    key: 'unapply',
+    key: "unapply",
     value: function unapply(handler) {
       if (handler) {
         handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
@@ -3352,21 +3889,20 @@ var MoveElementCommand = function (_Command) {
         handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);
       }
     }
-
     /**
     * @returns {Element[]} Array with element associated with this command
     */
 
   }, {
-    key: 'elements',
+    key: "elements",
     value: function elements() {
       return [this.elem];
     }
   }]);
+
   return MoveElementCommand;
 }(Command);
 MoveElementCommand.type = MoveElementCommand.prototype.type;
-
 /**
 * History command for an element that was added to the DOM
 * @implements {module:history.HistoryCommand}
@@ -3374,14 +3910,18 @@ MoveElementCommand.type = MoveElementCommand.prototype.type;
 * @param {Element} elem - The newly added DOM element
 * @param {string} text - An optional string visible to user related to this change
 */
-var InsertElementCommand = function (_Command2) {
-  inherits(InsertElementCommand, _Command2);
+
+var InsertElementCommand =
+/*#__PURE__*/
+function (_Command2) {
+  _inherits(InsertElementCommand, _Command2);
 
   function InsertElementCommand(elem, text) {
-    classCallCheck(this, InsertElementCommand);
+    var _this2;
 
-    var _this2 = possibleConstructorReturn(this, (InsertElementCommand.__proto__ || Object.getPrototypeOf(InsertElementCommand)).call(this));
+    _classCallCheck(this, InsertElementCommand);
 
+    _this2 = _possibleConstructorReturn(this, _getPrototypeOf(InsertElementCommand).call(this));
     _this2.elem = elem;
     _this2.text = text || 'Create ' + elem.tagName;
     _this2.parent = elem.parentNode;
@@ -3389,12 +3929,11 @@ var InsertElementCommand = function (_Command2) {
     return _this2;
   }
 
-  createClass(InsertElementCommand, [{
-    key: 'type',
+  _createClass(InsertElementCommand, [{
+    key: "type",
     value: function type() {
       return 'svgedit.history.InsertElementCommand';
     }
-
     /**
     * Re-inserts the new element
     * @param {module:history.HistoryEventHandler} handler
@@ -3403,7 +3942,7 @@ var InsertElementCommand = function (_Command2) {
     */
 
   }, {
-    key: 'apply',
+    key: "apply",
     value: function apply(handler) {
       if (handler) {
         handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);
@@ -3415,7 +3954,6 @@ var InsertElementCommand = function (_Command2) {
         handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);
       }
     }
-
     /**
     * Removes the element
     * @param {module:history.HistoryEventHandler} handler
@@ -3424,7 +3962,7 @@ var InsertElementCommand = function (_Command2) {
     */
 
   }, {
-    key: 'unapply',
+    key: "unapply",
     value: function unapply(handler) {
       if (handler) {
         handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
@@ -3437,21 +3975,20 @@ var InsertElementCommand = function (_Command2) {
         handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);
       }
     }
-
     /**
     * @returns {Element[]} Array with element associated with this command
     */
 
   }, {
-    key: 'elements',
+    key: "elements",
     value: function elements() {
       return [this.elem];
     }
   }]);
+
   return InsertElementCommand;
 }(Command);
 InsertElementCommand.type = InsertElementCommand.prototype.type;
-
 /**
 * History command for an element removed from the DOM
 * @implements {module:history.HistoryCommand}
@@ -3460,30 +3997,32 @@ InsertElementCommand.type = InsertElementCommand.prototype.type;
 * @param {Element} oldParent - The DOM element's parent
 * @param {string} [text] - An optional string visible to user related to this change
 */
-var RemoveElementCommand = function (_Command3) {
-  inherits(RemoveElementCommand, _Command3);
+
+var RemoveElementCommand =
+/*#__PURE__*/
+function (_Command3) {
+  _inherits(RemoveElementCommand, _Command3);
 
   function RemoveElementCommand(elem, oldNextSibling, oldParent, text) {
-    classCallCheck(this, RemoveElementCommand);
+    var _this3;
 
-    var _this3 = possibleConstructorReturn(this, (RemoveElementCommand.__proto__ || Object.getPrototypeOf(RemoveElementCommand)).call(this));
+    _classCallCheck(this, RemoveElementCommand);
 
+    _this3 = _possibleConstructorReturn(this, _getPrototypeOf(RemoveElementCommand).call(this));
     _this3.elem = elem;
     _this3.text = text || 'Delete ' + elem.tagName;
     _this3.nextSibling = oldNextSibling;
-    _this3.parent = oldParent;
+    _this3.parent = oldParent; // special hack for webkit: remove this element's entry in the svgTransformLists map
 
-    // special hack for webkit: remove this element's entry in the svgTransformLists map
     removeElementFromListMap(elem);
     return _this3;
   }
 
-  createClass(RemoveElementCommand, [{
-    key: 'type',
+  _createClass(RemoveElementCommand, [{
+    key: "type",
     value: function type() {
       return 'svgedit.history.RemoveElementCommand';
     }
-
     /**
     * Re-removes the new element
     * @param {module:history.HistoryEventHandler} handler
@@ -3492,7 +4031,7 @@ var RemoveElementCommand = function (_Command3) {
     */
 
   }, {
-    key: 'apply',
+    key: "apply",
     value: function apply(handler) {
       if (handler) {
         handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);
@@ -3506,7 +4045,6 @@ var RemoveElementCommand = function (_Command3) {
         handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);
       }
     }
-
     /**
     * Re-adds the new element
     * @param {module:history.HistoryEventHandler} handler
@@ -3515,42 +4053,44 @@ var RemoveElementCommand = function (_Command3) {
     */
 
   }, {
-    key: 'unapply',
+    key: "unapply",
     value: function unapply(handler) {
       if (handler) {
         handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
       }
 
       removeElementFromListMap(this.elem);
+
       if (this.nextSibling == null) {
         if (window.console) {
           console.log('Error: reference element was lost');
         }
       }
+
       this.parent.insertBefore(this.elem, this.nextSibling); // Don't use `before` or `prepend` as `this.nextSibling` may be `null`
 
       if (handler) {
         handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);
       }
     }
-
     /**
     * @returns {Element[]} Array with element associated with this command
     */
 
   }, {
-    key: 'elements',
+    key: "elements",
     value: function elements() {
       return [this.elem];
     }
   }]);
+
   return RemoveElementCommand;
 }(Command);
 RemoveElementCommand.type = RemoveElementCommand.prototype.type;
-
 /**
 * @typedef {"#text"|"#href"|string} module:history.CommandAttributeName
 */
+
 /**
 * @typedef {PlainObject.<module:history.CommandAttributeName, string>} module:history.CommandAttributes
 */
@@ -3563,18 +4103,23 @@ RemoveElementCommand.type = RemoveElementCommand.prototype.type;
 * @param {module:history.CommandAttributes} attrs - Attributes to be changed with the values they had *before* the change
 * @param {string} text - An optional string visible to user related to this change
 */
-var ChangeElementCommand = function (_Command4) {
-  inherits(ChangeElementCommand, _Command4);
+
+var ChangeElementCommand =
+/*#__PURE__*/
+function (_Command4) {
+  _inherits(ChangeElementCommand, _Command4);
 
   function ChangeElementCommand(elem, attrs, text) {
-    classCallCheck(this, ChangeElementCommand);
+    var _this4;
 
-    var _this4 = possibleConstructorReturn(this, (ChangeElementCommand.__proto__ || Object.getPrototypeOf(ChangeElementCommand)).call(this));
+    _classCallCheck(this, ChangeElementCommand);
 
+    _this4 = _possibleConstructorReturn(this, _getPrototypeOf(ChangeElementCommand).call(this));
     _this4.elem = elem;
     _this4.text = text ? 'Change ' + elem.tagName + ' ' + text : 'Change ' + elem.tagName;
     _this4.newValues = {};
     _this4.oldValues = attrs;
+
     for (var attr in attrs) {
       if (attr === '#text') {
         _this4.newValues[attr] = elem.textContent;
@@ -3584,15 +4129,15 @@ var ChangeElementCommand = function (_Command4) {
         _this4.newValues[attr] = elem.getAttribute(attr);
       }
     }
+
     return _this4;
   }
 
-  createClass(ChangeElementCommand, [{
-    key: 'type',
+  _createClass(ChangeElementCommand, [{
+    key: "type",
     value: function type() {
       return 'svgedit.history.ChangeElementCommand';
     }
-
     /**
     * Performs the stored change action
     * @param {module:history.HistoryEventHandler} handler
@@ -3601,13 +4146,14 @@ var ChangeElementCommand = function (_Command4) {
     */
 
   }, {
-    key: 'apply',
+    key: "apply",
     value: function apply(handler) {
       if (handler) {
         handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);
       }
 
       var bChangedTransform = false;
+
       for (var attr in this.newValues) {
         if (this.newValues[attr]) {
           if (attr === '#text') {
@@ -3629,16 +4175,18 @@ var ChangeElementCommand = function (_Command4) {
         if (attr === 'transform') {
           bChangedTransform = true;
         }
-      }
+      } // relocate rotational transform, if necessary
+
 
-      // relocate rotational transform, if necessary
       if (!bChangedTransform) {
         var angle = getRotationAngle(this.elem);
+
         if (angle) {
           var bbox = this.elem.getBBox();
           var cx = bbox.x + bbox.width / 2,
               cy = bbox.y + bbox.height / 2;
           var rotate = ['rotate(', angle, ' ', cx, ',', cy, ')'].join('');
+
           if (rotate !== this.elem.getAttribute('transform')) {
             this.elem.setAttribute('transform', rotate);
           }
@@ -3651,7 +4199,6 @@ var ChangeElementCommand = function (_Command4) {
 
       return true;
     }
-
     /**
     * Reverses the stored change action
     * @param {module:history.HistoryEventHandler} handler
@@ -3660,13 +4207,14 @@ var ChangeElementCommand = function (_Command4) {
     */
 
   }, {
-    key: 'unapply',
+    key: "unapply",
     value: function unapply(handler) {
       if (handler) {
         handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
       }
 
       var bChangedTransform = false;
+
       for (var attr in this.oldValues) {
         if (this.oldValues[attr]) {
           if (attr === '#text') {
@@ -3683,25 +4231,29 @@ var ChangeElementCommand = function (_Command4) {
             this.elem.removeAttribute(attr);
           }
         }
+
         if (attr === 'transform') {
           bChangedTransform = true;
         }
-      }
-      // relocate rotational transform, if necessary
+      } // relocate rotational transform, if necessary
+
+
       if (!bChangedTransform) {
         var angle = getRotationAngle(this.elem);
+
         if (angle) {
           var bbox = this.elem.getBBox();
           var cx = bbox.x + bbox.width / 2,
               cy = bbox.y + bbox.height / 2;
           var rotate = ['rotate(', angle, ' ', cx, ',', cy, ')'].join('');
+
           if (rotate !== this.elem.getAttribute('transform')) {
             this.elem.setAttribute('transform', rotate);
           }
         }
-      }
+      } // Remove transformlist to prevent confusion that causes bugs like 575.
+
 
-      // Remove transformlist to prevent confusion that causes bugs like 575.
       removeElementFromListMap(this.elem);
 
       if (handler) {
@@ -3710,22 +4262,20 @@ var ChangeElementCommand = function (_Command4) {
 
       return true;
     }
-
     /**
     * @returns {Element[]} Array with element associated with this command
     */
 
   }, {
-    key: 'elements',
+    key: "elements",
     value: function elements() {
       return [this.elem];
     }
   }]);
+
   return ChangeElementCommand;
 }(Command);
-ChangeElementCommand.type = ChangeElementCommand.prototype.type;
-
-// TODO: create a 'typing' command object that tracks changes in text
+ChangeElementCommand.type = ChangeElementCommand.prototype.type; // TODO: create a 'typing' command object that tracks changes in text
 // if a new Typing command is created and the top command on the stack is also a Typing
 // and they both affect the same element, then collapse the two commands into one
 
@@ -3733,28 +4283,31 @@ ChangeElementCommand.type = ChangeElementCommand.prototype.type;
 * History command that can contain/execute multiple other commands
 * @implements {module:history.HistoryCommand}
 */
-var BatchCommand = function (_Command5) {
-  inherits(BatchCommand, _Command5);
+
+var BatchCommand =
+/*#__PURE__*/
+function (_Command5) {
+  _inherits(BatchCommand, _Command5);
 
   /**
   * @param {string} [text] - An optional string visible to user related to this change
   */
   function BatchCommand(text) {
-    classCallCheck(this, BatchCommand);
+    var _this5;
 
-    var _this5 = possibleConstructorReturn(this, (BatchCommand.__proto__ || Object.getPrototypeOf(BatchCommand)).call(this));
+    _classCallCheck(this, BatchCommand);
 
+    _this5 = _possibleConstructorReturn(this, _getPrototypeOf(BatchCommand).call(this));
     _this5.text = text || 'Batch Command';
     _this5.stack = [];
     return _this5;
   }
 
-  createClass(BatchCommand, [{
-    key: 'type',
+  _createClass(BatchCommand, [{
+    key: "type",
     value: function type() {
       return 'svgedit.history.BatchCommand';
     }
-
     /**
     * Runs "apply" on all subcommands
     * @param {module:history.HistoryEventHandler} handler
@@ -3763,13 +4316,14 @@ var BatchCommand = function (_Command5) {
     */
 
   }, {
-    key: 'apply',
+    key: "apply",
     value: function apply(handler) {
       if (handler) {
         handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);
       }
 
       var len = this.stack.length;
+
       for (var i = 0; i < len; ++i) {
         this.stack[i].apply(handler);
       }
@@ -3778,7 +4332,6 @@ var BatchCommand = function (_Command5) {
         handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);
       }
     }
-
     /**
     * Runs "unapply" on all subcommands
     * @param {module:history.HistoryEventHandler} handler
@@ -3787,7 +4340,7 @@ var BatchCommand = function (_Command5) {
     */
 
   }, {
-    key: 'unapply',
+    key: "unapply",
     value: function unapply(handler) {
       if (handler) {
         handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
@@ -3801,155 +4354,149 @@ var BatchCommand = function (_Command5) {
         handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);
       }
     }
-
     /**
     * Iterate through all our subcommands
     * @returns {Element[]} All the elements we are changing
     */
 
   }, {
-    key: 'elements',
+    key: "elements",
     value: function elements() {
       var elems = [];
       var cmd = this.stack.length;
+
       while (cmd--) {
         var thisElems = this.stack[cmd].elements();
         var elem = thisElems.length;
+
         while (elem--) {
           if (!elems.includes(thisElems[elem])) {
             elems.push(thisElems[elem]);
           }
         }
       }
+
       return elems;
     }
-
     /**
     * Adds a given command to the history stack
     * @param {Command} cmd - The undo command object to add
     */
 
   }, {
-    key: 'addSubCommand',
+    key: "addSubCommand",
     value: function addSubCommand(cmd) {
       this.stack.push(cmd);
     }
-
     /**
     * @returns {boolean} Indicates whether or not the batch command is empty
     */
 
   }, {
-    key: 'isEmpty',
+    key: "isEmpty",
     value: function isEmpty() {
       return !this.stack.length;
     }
   }]);
+
   return BatchCommand;
 }(Command);
 BatchCommand.type = BatchCommand.prototype.type;
-
 /**
 *
 */
-var UndoManager = function () {
+
+var UndoManager =
+/*#__PURE__*/
+function () {
   /**
   * @param {module:history.HistoryEventHandler} historyEventHandler
   */
   function UndoManager(historyEventHandler) {
-    classCallCheck(this, UndoManager);
+    _classCallCheck(this, UndoManager);
 
     this.handler_ = historyEventHandler || null;
     this.undoStackPointer = 0;
-    this.undoStack = [];
-
-    // this is the stack that stores the original values, the elements and
+    this.undoStack = []; // this is the stack that stores the original values, the elements and
     // the attribute name for begin/finish
+
     this.undoChangeStackPointer = -1;
     this.undoableChangeStack = [];
   }
-
   /**
   * Resets the undo stack, effectively clearing the undo/redo history
   * @returns {undefined}
   */
 
 
-  createClass(UndoManager, [{
-    key: 'resetUndoStack',
+  _createClass(UndoManager, [{
+    key: "resetUndoStack",
     value: function resetUndoStack() {
       this.undoStack = [];
       this.undoStackPointer = 0;
     }
-
     /**
     * @returns {Integer} Current size of the undo history stack
     */
 
   }, {
-    key: 'getUndoStackSize',
+    key: "getUndoStackSize",
     value: function getUndoStackSize() {
       return this.undoStackPointer;
     }
-
     /**
     * @returns {Integer} Current size of the redo history stack
     */
 
   }, {
-    key: 'getRedoStackSize',
+    key: "getRedoStackSize",
     value: function getRedoStackSize() {
       return this.undoStack.length - this.undoStackPointer;
     }
-
     /**
     * @returns {string} String associated with the next undo command
     */
 
   }, {
-    key: 'getNextUndoCommandText',
+    key: "getNextUndoCommandText",
     value: function getNextUndoCommandText() {
       return this.undoStackPointer > 0 ? this.undoStack[this.undoStackPointer - 1].getText() : '';
     }
-
     /**
     * @returns {string} String associated with the next redo command
     */
 
   }, {
-    key: 'getNextRedoCommandText',
+    key: "getNextRedoCommandText",
     value: function getNextRedoCommandText() {
       return this.undoStackPointer < this.undoStack.length ? this.undoStack[this.undoStackPointer].getText() : '';
     }
-
     /**
     * Performs an undo step
     * @returns {undefined}
     */
 
   }, {
-    key: 'undo',
+    key: "undo",
     value: function undo() {
       if (this.undoStackPointer > 0) {
         var cmd = this.undoStack[--this.undoStackPointer];
         cmd.unapply(this.handler_);
       }
     }
-
     /**
     * Performs a redo step
     * @returns {undefined}
     */
 
   }, {
-    key: 'redo',
+    key: "redo",
     value: function redo() {
       if (this.undoStackPointer < this.undoStack.length && this.undoStack.length > 0) {
         var cmd = this.undoStack[this.undoStackPointer++];
         cmd.apply(this.handler_);
       }
     }
-
     /**
     * Adds a command object to the undo history stack
     * @param {Command} cmd - The command object to add
@@ -3957,22 +4504,21 @@ var UndoManager = function () {
     */
 
   }, {
-    key: 'addCommandToHistory',
+    key: "addCommandToHistory",
     value: function addCommandToHistory(cmd) {
       // FIXME: we MUST compress consecutive text changes to the same element
       // (right now each keystroke is saved as a separate command that includes the
       // entire text contents of the text element)
       // TODO: consider limiting the history that we store here (need to do some slicing)
-
       // if our stack pointer is not at the end, then we have to remove
       // all commands after the pointer and insert the new command
       if (this.undoStackPointer < this.undoStack.length && this.undoStack.length > 0) {
         this.undoStack = this.undoStack.splice(0, this.undoStackPointer);
       }
+
       this.undoStack.push(cmd);
       this.undoStackPointer = this.undoStack.length;
     }
-
     /**
     * This function tells the canvas to remember the old values of the
     * `attrName` attribute for each element sent in.  The elements and values
@@ -3985,27 +4531,30 @@ var UndoManager = function () {
     */
 
   }, {
-    key: 'beginUndoableChange',
+    key: "beginUndoableChange",
     value: function beginUndoableChange(attrName, elems) {
       var p = ++this.undoChangeStackPointer;
       var i = elems.length;
       var oldValues = new Array(i),
           elements = new Array(i);
+
       while (i--) {
         var elem = elems[i];
+
         if (elem == null) {
           continue;
         }
+
         elements[i] = elem;
         oldValues[i] = elem.getAttribute(attrName);
       }
+
       this.undoableChangeStack[p] = {
         attrName: attrName,
         oldValues: oldValues,
         elements: elements
       };
     }
-
     /**
     * This function returns a `BatchCommand` object which summarizes the
     * change since `beginUndoableChange` was called.  The command can then
@@ -4014,29 +4563,34 @@ var UndoManager = function () {
     */
 
   }, {
-    key: 'finishUndoableChange',
+    key: "finishUndoableChange",
     value: function finishUndoableChange() {
       var p = this.undoChangeStackPointer--;
       var changeset = this.undoableChangeStack[p];
       var attrName = changeset.attrName;
-
       var batchCmd = new BatchCommand('Change ' + attrName);
       var i = changeset.elements.length;
+
       while (i--) {
         var elem = changeset.elements[i];
+
         if (elem == null) {
           continue;
         }
+
         var changes = {};
         changes[attrName] = changeset.oldValues[i];
+
         if (changes[attrName] !== elem.getAttribute(attrName)) {
           batchCmd.addSubCommand(new ChangeElementCommand(elem, changes, attrName));
         }
       }
+
       this.undoableChangeStack[p] = null;
       return batchCmd;
     }
   }]);
+
   return UndoManager;
 }();
 
@@ -4058,12 +4612,9 @@ var history = /*#__PURE__*/Object.freeze({
  * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller
  */
 
-// Constants
-var NEAR_ZERO = 1e-14;
+var NEAR_ZERO = 1e-14; // Throw away SVGSVGElement used for creating matrices/transforms.
 
-// Throw away SVGSVGElement used for creating matrices/transforms.
 var svg$1 = document.createElementNS(NS.SVG, 'svg');
-
 /**
  * A (hopefully) quicker function to transform a point by a matrix
  * (this function avoids any DOM calls and just does the math)
@@ -4073,10 +4624,13 @@ var svg$1 = document.createElementNS(NS.SVG, 'svg');
  * @param {SVGMatrix} m - Matrix object to transform the point with
  * @returns {module:math.XYObject} An x, y object representing the transformed point
 */
-var transformPoint = function transformPoint(x, y, m) {
-  return { x: m.a * x + m.c * y + m.e, y: m.b * x + m.d * y + m.f };
-};
 
+var transformPoint = function transformPoint(x, y, m) {
+  return {
+    x: m.a * x + m.c * y + m.e,
+    y: m.b * x + m.d * y + m.f
+  };
+};
 /**
  * Helper function to check if the matrix performs no actual transform
  * (i.e. exists for identity purposes)
@@ -4084,10 +4638,10 @@ var transformPoint = function transformPoint(x, y, m) {
  * @param {SVGMatrix} m - The matrix object to check
  * @returns {boolean} Indicates whether or not the matrix is 1,0,0,1,0,0
 */
+
 var isIdentity = function isIdentity(m) {
   return m.a === 1 && m.b === 0 && m.c === 0 && m.d === 1 && m.e === 0 && m.f === 0;
 };
-
 /**
  * This function tries to return a `SVGMatrix` that is the multiplication `m1 * m2`.
  * We also round to zero when it's near zero
@@ -4095,8 +4649,9 @@ var isIdentity = function isIdentity(m) {
  * @param {...SVGMatrix} args - Matrix objects to multiply
  * @returns {SVGMatrix} The matrix object resulting from the calculation
 */
+
 var matrixMultiply = function matrixMultiply() {
-  for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+  for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
     args[_key] = arguments[_key];
   }
 
@@ -4107,45 +4662,46 @@ var matrixMultiply = function matrixMultiply() {
   if (Math.abs(m.a) < NEAR_ZERO) {
     m.a = 0;
   }
+
   if (Math.abs(m.b) < NEAR_ZERO) {
     m.b = 0;
   }
+
   if (Math.abs(m.c) < NEAR_ZERO) {
     m.c = 0;
   }
+
   if (Math.abs(m.d) < NEAR_ZERO) {
     m.d = 0;
   }
+
   if (Math.abs(m.e) < NEAR_ZERO) {
     m.e = 0;
   }
+
   if (Math.abs(m.f) < NEAR_ZERO) {
     m.f = 0;
   }
 
   return m;
 };
-
-/**
- * See if the given transformlist includes a non-indentity matrix transform
- * @function module:math.hasMatrixTransform
- * @param {SVGTransformList} [tlist] - The transformlist to check
- * @returns {boolean} Whether or not a matrix transform was found
-*/
 var hasMatrixTransform = function hasMatrixTransform(tlist) {
   if (!tlist) {
     return false;
   }
+
   var num = tlist.numberOfItems;
+
   while (num--) {
     var xform = tlist.getItem(num);
+
     if (xform.type === 1 && !isIdentity(xform.matrix)) {
       return true;
     }
   }
+
   return false;
 };
-
 /**
 * @typedef {PlainObject} module:math.TransformedBox An object with the following values
 * @property {module:math.XYObject} tl - The top left coordinate
@@ -4169,6 +4725,7 @@ var hasMatrixTransform = function hasMatrixTransform(tlist) {
  * @param {SVGMatrix} m - Matrix object to transform the box by
  * @returns {module:math.TransformedBox}
 */
+
 var transformBox = function transformBox(l, t, w, h, m) {
   var tl = transformPoint(l, t, m),
       tr = transformPoint(l + w, t, m),
@@ -4178,7 +4735,6 @@ var transformBox = function transformBox(l, t, w, h, m) {
       maxx = Math.max(tl.x, tr.x, bl.x, br.x),
       miny = Math.min(tl.y, tr.y, bl.y, br.y),
       maxy = Math.max(tl.y, tr.y, bl.y, br.y);
-
   return {
     tl: tl,
     tr: tr,
@@ -4192,7 +4748,6 @@ var transformBox = function transformBox(l, t, w, h, m) {
     }
   };
 };
-
 /**
  * This returns a single matrix Transform for a given Transform List
  * (this is the equivalent of `SVGTransformList.consolidate()` but unlike
@@ -4205,38 +4760,45 @@ var transformBox = function transformBox(l, t, w, h, m) {
  *   defaults to one less than the tlist's `numberOfItems`
  * @returns {SVGTransform} A single matrix transform object
 */
+
 var transformListToTransform = function transformListToTransform(tlist, min, max) {
   if (tlist == null) {
     // Or should tlist = null have been prevented before this?
     return svg$1.createSVGTransformFromMatrix(svg$1.createSVGMatrix());
   }
+
   min = min || 0;
   max = max || tlist.numberOfItems - 1;
   min = parseInt(min, 10);
   max = parseInt(max, 10);
+
   if (min > max) {
-    var temp = max;max = min;min = temp;
+    var temp = max;
+    max = min;
+    min = temp;
   }
+
   var m = svg$1.createSVGMatrix();
+
   for (var i = min; i <= max; ++i) {
     // if our indices are out of range, just use a harmless identity matrix
     var mtom = i >= 0 && i < tlist.numberOfItems ? tlist.getItem(i).matrix : svg$1.createSVGMatrix();
     m = matrixMultiply(m, mtom);
   }
+
   return svg$1.createSVGTransformFromMatrix(m);
 };
-
 /**
  * Get the matrix object for a given element
  * @function module:math.getMatrix
  * @param {Element} elem - The DOM element to check
  * @returns {SVGMatrix} The matrix object associated with the element's transformlist
 */
+
 var getMatrix = function getMatrix(elem) {
   var tlist = getTransformList(elem);
   return transformListToTransform(tlist).matrix;
 };
-
 /**
  * Returns a 45 degree angle coordinate associated with the two given
  * coordinates
@@ -4247,21 +4809,21 @@ var getMatrix = function getMatrix(elem) {
  * @param {Integer} y2 - Second coordinate's y value
  * @returns {module:math.AngleCoord45}
 */
+
 var snapToAngle = function snapToAngle(x1, y1, x2, y2) {
   var snap = Math.PI / 4; // 45 degrees
+
   var dx = x2 - x1;
   var dy = y2 - y1;
   var angle = Math.atan2(dy, dx);
   var dist = Math.sqrt(dx * dx + dy * dy);
   var snapangle = Math.round(angle / snap) * snap;
-
   return {
     x: x1 + dist * Math.cos(snapangle),
     y: y1 + dist * Math.sin(snapangle),
     a: snapangle
   };
 };
-
 /**
  * Check if two rectangles (BBoxes objects) intersect each other
  * @function module:math.rectsIntersect
@@ -4269,26 +4831,32 @@ var snapToAngle = function snapToAngle(x1, y1, x2, y2) {
  * @param {SVGRect} r2 - The second BBox-like object
  * @returns {boolean} True if rectangles intersect
  */
+
 var rectsIntersect = function rectsIntersect(r1, r2) {
   return r2.x < r1.x + r1.width && r2.x + r2.width > r1.x && r2.y < r1.y + r1.height && r2.y + r2.height > r1.y;
 };
 
-/* globals jQuery */
-
 var $$1 = jQuery;
-
 var segData = {
-  2: ['x', 'y'], // PATHSEG_MOVETO_ABS
-  4: ['x', 'y'], // PATHSEG_LINETO_ABS
-  6: ['x', 'y', 'x1', 'y1', 'x2', 'y2'], // PATHSEG_CURVETO_CUBIC_ABS
-  8: ['x', 'y', 'x1', 'y1'], // PATHSEG_CURVETO_QUADRATIC_ABS
-  10: ['x', 'y', 'r1', 'r2', 'angle', 'largeArcFlag', 'sweepFlag'], // PATHSEG_ARC_ABS
-  12: ['x'], // PATHSEG_LINETO_HORIZONTAL_ABS
-  14: ['y'], // PATHSEG_LINETO_VERTICAL_ABS
-  16: ['x', 'y', 'x2', 'y2'], // PATHSEG_CURVETO_CUBIC_SMOOTH_ABS
+  2: ['x', 'y'],
+  // PATHSEG_MOVETO_ABS
+  4: ['x', 'y'],
+  // PATHSEG_LINETO_ABS
+  6: ['x', 'y', 'x1', 'y1', 'x2', 'y2'],
+  // PATHSEG_CURVETO_CUBIC_ABS
+  8: ['x', 'y', 'x1', 'y1'],
+  // PATHSEG_CURVETO_QUADRATIC_ABS
+  10: ['x', 'y', 'r1', 'r2', 'angle', 'largeArcFlag', 'sweepFlag'],
+  // PATHSEG_ARC_ABS
+  12: ['x'],
+  // PATHSEG_LINETO_HORIZONTAL_ABS
+  14: ['y'],
+  // PATHSEG_LINETO_VERTICAL_ABS
+  16: ['x', 'y', 'x2', 'y2'],
+  // PATHSEG_CURVETO_CUBIC_SMOOTH_ABS
   18: ['x', 'y'] // PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS
-};
 
+};
 /**
  * @tutorial LocaleDocs
  * @typedef {module:locale.LocaleStrings|PlainObject} module:path.uiStrings
@@ -4301,36 +4869,32 @@ var uiStrings = {};
 * @param {module:path.uiStrings} strs
 * @returns {undefined}
 */
+
 var setUiStrings = function setUiStrings(strs) {
   Object.assign(uiStrings, strs.ui);
 };
-
 var pathFuncs = [];
-
-var linkControlPts = true;
-
-// Stores references to paths via IDs.
+var linkControlPts = true; // Stores references to paths via IDs.
 // TODO: Make this cross-document happy.
-var pathData = {};
 
+var pathData = {};
 /**
 * @function module:path.setLinkControlPoints
 * @param {boolean} lcp
 * @returns {undefined}
 */
+
 var setLinkControlPoints = function setLinkControlPoints(lcp) {
   linkControlPts = lcp;
 };
-
 /**
  * @name module:path.path
  * @type {null|module:path.Path}
  * @memberof module:path
 */
+
 var path = null;
-
 var editorContext_ = null;
-
 /**
 * @external MouseEvent
 */
@@ -4344,44 +4908,52 @@ var editorContext_ = null;
 * @property {module:path.SVGElementJSON[]} [children] - Data objects to be added recursively as children
 * @property {string} [namespace="http://www.w3.org/2000/svg"] - Indicate a (non-SVG) namespace
 */
+
 /**
  * @interface module:path.EditorContext
  * @property {module:select.SelectorManager} selectorManager
  * @property {module:svgcanvas.SvgCanvas} canvas
  */
+
 /**
  * @function module:path.EditorContext#call
  * @param {"selected"|"changed"} ev - String with the event name
  * @param {module:svgcanvas.SvgCanvas#event:selected|module:svgcanvas.SvgCanvas#event:changed} arg - Argument to pass through to the callback function. If the event is "changed", an array of `Element`s is passed; if "selected", a single-item array of `Element` is passed.
  * @returns {undefined}
  */
+
 /**
  * @function module:path.EditorContext#resetD
  * @param {SVGPathElement} p
  * @returns {undefined}
 */
+
 /**
  * Note: This doesn't round to an integer necessarily
  * @function module:path.EditorContext#round
  * @param {Float} val
  * @returns {Float} Rounded value to nearest value based on `currentZoom`
  */
+
 /**
  * @function module:path.EditorContext#clearSelection
  * @param {boolean} [noCall] - When `true`, does not call the "selected" handler
  * @returns {undefined}
 */
+
 /**
  * @function module:path.EditorContext#addToSelection
  * @param {Element[]} elemsToAdd - An array of DOM elements to add to the selection
  * @param {boolean} showGrips - Indicates whether the resize grips should be shown
  * @returns {undefined}
 */
+
 /**
  * @function module:path.EditorContext#addCommandToHistory
  * @param {Command} cmd
  * @returns {undefined}
  */
+
 /**
  * @function module:path.EditorContext#remapElement
  * @param {Element} selected - DOM element to be changed
@@ -4389,41 +4961,50 @@ var editorContext_ = null;
  * @param {SVGMatrix} m - Matrix object to use for remapping coordinates
  * @returns {undefined}
  */
+
 /**
  * @function module:path.EditorContext#addSVGElementFromJson
  * @param {module:path.SVGElementJSON} data
  * @returns {Element} The new element
 */
+
 /**
  * @function module:path.EditorContext#getGridSnapping
  * @returns {boolean}
  */
+
 /**
  * @function module:path.EditorContext#getOpacity
  * @returns {Float}
  */
+
 /**
  * @function module:path.EditorContext#getSelectedElements
  * @returns {Element[]} the array with selected DOM elements
 */
+
 /**
  * @function module:path.EditorContext#getContainer
  * @returns {Element}
  */
+
 /**
  * @function module:path.EditorContext#setStarted
  * @param {boolean} s
  * @returns {undefined}
  */
+
 /**
  * @function module:path.EditorContext#getRubberBox
  * @returns {SVGRectElement}
 */
+
 /**
  * @function module:path.EditorContext#setRubberBox
  * @param {SVGRectElement} rb
  * @returns {SVGRectElement} Same as parameter passed in
  */
+
 /**
  * @function module:path.EditorContext#addPtsToSelection
  * @param {PlainObject} cfg
@@ -4431,6 +5012,7 @@ var editorContext_ = null;
  * @param {SVGCircleElement[]} cfg.grips
  * @returns {undefined}
  */
+
 /**
  * @function module:path.EditorContext#endChanges
  * @param {PlainObject} cfg
@@ -4438,44 +5020,53 @@ var editorContext_ = null;
  * @param {Element} cfg.elem
  * @returns {undefined}
 */
+
 /**
  * @function module:path.EditorContext#getCurrentZoom
  * @returns {Float} The current zoom level
  */
+
 /**
  * Returns the last created DOM element ID string
  * @function module:path.EditorContext#getId
  * @returns {string}
  */
+
 /**
  * Creates and returns a unique ID string for a DOM element
  * @function module:path.EditorContext#getNextId
  * @returns {string}
 */
+
 /**
  * Gets the desired element from a mouse event
  * @function module:path.EditorContext#getMouseTarget
  * @param {external:MouseEvent} evt - Event object from the mouse event
  * @returns {Element} DOM element we want
  */
+
 /**
  * @function module:path.EditorContext#getCurrentMode
  * @returns {string}
  */
+
 /**
  * @function module:path.EditorContext#setCurrentMode
  * @param {string} cm The mode
  * @returns {string} The same mode as passed in
 */
+
 /**
  * @function module:path.EditorContext#getDrawnPath
  * @returns {SVGPathElement|null}
  */
+
 /**
  * @function module:path.EditorContext#setDrawnPath
  * @param {SVGPathElement|null} dp
  * @returns {SVGPathElement|null} The same value as passed in
  */
+
 /**
  * @function module:path.EditorContext#getSVGRoot
  * @returns {SVGSVGElement}
@@ -4486,9 +5077,9 @@ var editorContext_ = null;
 * @param {module:path.EditorContext} editorContext
 * @returns {undefined}
 */
+
 var init$1 = function init$$1(editorContext) {
   editorContext_ = editorContext;
-
   pathFuncs = [0, 'ClosePath'];
   var pathFuncsStrs = ['Moveto', 'Lineto', 'CurvetoCubic', 'CurvetoQuadratic', 'Arc', 'LinetoHorizontal', 'LinetoVertical', 'CurvetoCubicSmooth', 'CurvetoQuadraticSmooth'];
   $$1.each(pathFuncsStrs, function (i, s) {
@@ -4496,7 +5087,6 @@ var init$1 = function init$$1(editorContext) {
     pathFuncs.push(s + 'Rel');
   });
 };
-
 /**
 * @function module:path.insertItemBefore
 * @param {Element} elem
@@ -4504,6 +5094,7 @@ var init$1 = function init$$1(editorContext) {
 * @param {Integer} index
 * @returns {undefined}
 */
+
 var insertItemBefore = function insertItemBefore(elem, newseg, index) {
   // Support insertItemBefore on paths for FF2
   var list = elem.pathSegList;
@@ -4512,22 +5103,26 @@ var insertItemBefore = function insertItemBefore(elem, newseg, index) {
     list.insertItemBefore(newseg, index);
     return;
   }
+
   var len = list.numberOfItems;
   var arr = [];
+
   for (var i = 0; i < len; i++) {
     var curSeg = list.getItem(i);
     arr.push(curSeg);
   }
+
   list.clear();
+
   for (var _i = 0; _i < len; _i++) {
     if (_i === index) {
       // index + 1
       list.appendItem(newseg);
     }
+
     list.appendItem(arr[_i]);
   }
 };
-
 /**
 * @function module:path.ptObjToArr
 * @todo See if this should just live in `replacePathSeg`
@@ -4535,22 +5130,22 @@ var insertItemBefore = function insertItemBefore(elem, newseg, index) {
 * @param {SVGPathSegMovetoAbs|SVGPathSegLinetoAbs|SVGPathSegCurvetoCubicAbs|SVGPathSegCurvetoQuadraticAbs|SVGPathSegArcAbs|SVGPathSegLinetoHorizontalAbs|SVGPathSegLinetoVerticalAbs|SVGPathSegCurvetoCubicSmoothAbs|SVGPathSegCurvetoQuadraticSmoothAbs} segItem
 * @returns {ArgumentsArray}
 */
+
 var ptObjToArr = function ptObjToArr(type, segItem) {
   var props = segData[type];
   return props.map(function (prop) {
     return segItem[prop];
   });
 };
-
 /**
 * @function module:path.getGripPt
 * @param {Segment} seg
 * @param {module:math.XYObject} altPt
 * @returns {module:math.XYObject}
 */
+
 var getGripPt = function getGripPt(seg, altPt) {
   var path = seg.path;
-
   var out = {
     x: altPt ? altPt.x : seg.item.x,
     y: altPt ? altPt.y : seg.item.y
@@ -4564,16 +5159,15 @@ var getGripPt = function getGripPt(seg, altPt) {
   var currentZoom = editorContext_.getCurrentZoom();
   out.x *= currentZoom;
   out.y *= currentZoom;
-
   return out;
 };
-
 /**
 * @function module:path.getPointFromGrip
 * @param {module:math.XYObject} pt
 * @param {module:path.Path} path
 * @returns {module:math.XYObject}
 */
+
 var getPointFromGrip = function getPointFromGrip(pt, path) {
   var out = {
     x: pt.x,
@@ -4589,10 +5183,8 @@ var getPointFromGrip = function getPointFromGrip(pt, path) {
   var currentZoom = editorContext_.getCurrentZoom();
   out.x /= currentZoom;
   out.y /= currentZoom;
-
   return out;
 };
-
 /**
 * Requires prior call to `setUiStrings` if `xlink:title`
 *    to be set on the grip
@@ -4602,12 +5194,12 @@ var getPointFromGrip = function getPointFromGrip(pt, path) {
 * @param {Integer} y
 * @returns {SVGCircleElement}
 */
+
 var addPointGrip = function addPointGrip(index, x, y) {
   // create the container of all the point grips
   var pointGripContainer = getGripContainer();
+  var pointGrip = getElem('pathpointgrip_' + index); // create it
 
-  var pointGrip = getElem('pathpointgrip_' + index);
-  // create it
   if (!pointGrip) {
     pointGrip = document.createElementNS(NS.SVG, 'circle');
     var atts = {
@@ -4620,13 +5212,14 @@ var addPointGrip = function addPointGrip(index, x, y) {
       cursor: 'move',
       style: 'pointer-events:all'
     };
+
     if ('pathNodeTooltip' in uiStrings) {
       // May be empty if running path.js without svg-editor
       atts['xlink:title'] = uiStrings.pathNodeTooltip;
     }
+
     assignAttributes(pointGrip, atts);
     pointGrip = pointGripContainer.appendChild(pointGrip);
-
     var grip = $$1('#pathpointgrip_' + index);
     grip.dblclick(function () {
       if (path) {
@@ -4634,6 +5227,7 @@ var addPointGrip = function addPointGrip(index, x, y) {
       }
     });
   }
+
   if (x && y) {
     // set up the point grip element and display it
     assignAttributes(pointGrip, {
@@ -4642,23 +5236,25 @@ var addPointGrip = function addPointGrip(index, x, y) {
       display: 'inline'
     });
   }
+
   return pointGrip;
 };
-
 /**
 * @function module:path.getGripContainer
 * @returns {Element}
 */
+
 var getGripContainer = function getGripContainer() {
   var c = getElem('pathpointgrip_container');
+
   if (!c) {
     var parent = getElem('selectorParentGroup');
     c = parent.appendChild(document.createElementNS(NS.SVG, 'g'));
     c.id = 'pathpointgrip_container';
   }
+
   return c;
 };
-
 /**
 * Requires prior call to `setUiStrings` if `xlink:title`
 *    to be set on the grip
@@ -4666,8 +5262,10 @@ var getGripContainer = function getGripContainer() {
 * @param {string} id
 * @returns {SVGCircleElement}
 */
+
 var addCtrlGrip = function addCtrlGrip(id) {
   var pointGrip = getElem('ctrlpointgrip_' + id);
+
   if (pointGrip) {
     return pointGrip;
   }
@@ -4683,22 +5281,25 @@ var addCtrlGrip = function addCtrlGrip(id) {
     cursor: 'move',
     style: 'pointer-events:all'
   };
+
   if ('pathCtrlPtTooltip' in uiStrings) {
     // May be empty if running path.js without svg-editor
     atts['xlink:title'] = uiStrings.pathCtrlPtTooltip;
   }
+
   assignAttributes(pointGrip, atts);
   getGripContainer().append(pointGrip);
   return pointGrip;
 };
-
 /**
 * @function module:path.getCtrlLine
 * @param {string} id
 * @returns {SVGLineElement}
 */
+
 var getCtrlLine = function getCtrlLine(id) {
   var ctrlLine = getElem('ctrlLine_' + id);
+
   if (ctrlLine) {
     return ctrlLine;
   }
@@ -4713,16 +5314,15 @@ var getCtrlLine = function getCtrlLine(id) {
   getGripContainer().append(ctrlLine);
   return ctrlLine;
 };
-
 /**
 * @function module:path.getPointGrip
 * @param {Segment} seg
 * @param {boolean} update
 * @returns {SVGCircleElement}
 */
+
 var getPointGrip = function getPointGrip(seg, update) {
   var index = seg.index;
-
   var pointGrip = addPointGrip(index);
 
   if (update) {
@@ -4736,12 +5336,12 @@ var getPointGrip = function getPointGrip(seg, update) {
 
   return pointGrip;
 };
-
 /**
 * @function module:path.getControlPoints
 * @param {Segment} seg
 * @returns {PlainObject.<string, SVGLineElement|SVGCircleElement>}
 */
+
 var getControlPoints = function getControlPoints(seg) {
   var item = seg.item,
       index = seg.index;
@@ -4749,22 +5349,26 @@ var getControlPoints = function getControlPoints(seg) {
   if (!('x1' in item) || !('x2' in item)) {
     return null;
   }
+
   var cpt = {};
-  /* const pointGripContainer = */getGripContainer();
+  /* const pointGripContainer = */
+
+  getGripContainer(); // Note that this is intentionally not seg.prev.item
 
-  // Note that this is intentionally not seg.prev.item
   var prev = path.segs[index - 1].item;
-
   var segItems = [prev, item];
 
   for (var i = 1; i < 3; i++) {
     var id = index + 'c' + i;
-
     var ctrlLine = cpt['c' + i + '_line'] = getCtrlLine(id);
-
-    var pt = getGripPt(seg, { x: item['x' + i], y: item['y' + i] });
-    var gpt = getGripPt(seg, { x: segItems[i - 1].x, y: segItems[i - 1].y });
-
+    var pt = getGripPt(seg, {
+      x: item['x' + i],
+      y: item['y' + i]
+    });
+    var gpt = getGripPt(seg, {
+      x: segItems[i - 1].x,
+      y: segItems[i - 1].y
+    });
     assignAttributes(ctrlLine, {
       x1: pt.x,
       y1: pt.y,
@@ -4772,12 +5376,9 @@ var getControlPoints = function getControlPoints(seg) {
       y2: gpt.y,
       display: 'inline'
     });
+    cpt['c' + i + '_line'] = ctrlLine; // create it
 
-    cpt['c' + i + '_line'] = ctrlLine;
-
-    // create it
     var pointGrip = cpt['c' + i] = addCtrlGrip(id);
-
     assignAttributes(pointGrip, {
       cx: pt.x,
       cy: pt.y,
@@ -4785,9 +5386,9 @@ var getControlPoints = function getControlPoints(seg) {
     });
     cpt['c' + i] = pointGrip;
   }
+
   return cpt;
 };
-
 /**
 * This replaces the segment at the given index. Type is given as number.
 * @function module:path.replacePathSeg
@@ -4796,9 +5397,9 @@ var getControlPoints = function getControlPoints(seg) {
 * @param {ArgumentsArray} pts
 * @param {SVGPathElement} elem
 */
+
 var replacePathSeg = function replacePathSeg(type, index, pts, elem) {
   var pth = elem || path.elem;
-
   var func = 'createSVGPathSeg' + pathFuncs[type];
   var seg = pth[func].apply(pth, pts);
 
@@ -4808,11 +5409,14 @@ var replacePathSeg = function replacePathSeg(type, index, pts, elem) {
     var segList = pth.pathSegList;
     var len = segList.numberOfItems;
     var arr = [];
+
     for (var i = 0; i < len; i++) {
       var curSeg = segList.getItem(i);
       arr.push(curSeg);
     }
+
     segList.clear();
+
     for (var _i2 = 0; _i2 < len; _i2++) {
       if (_i2 === index) {
         segList.appendItem(seg);
@@ -4822,20 +5426,20 @@ var replacePathSeg = function replacePathSeg(type, index, pts, elem) {
     }
   }
 };
-
 /**
 * @function module:path.getSegSelector
 * @param {Segment} seg
 * @param {boolean} update
 * @returns {SVGPathElement}
 */
+
 var getSegSelector = function getSegSelector(seg, update) {
   var index = seg.index;
-
   var segLine = getElem('segline_' + index);
+
   if (!segLine) {
-    var pointGripContainer = getGripContainer();
-    // create segline
+    var pointGripContainer = getGripContainer(); // create segline
+
     segLine = document.createElementNS(NS.SVG, 'path');
     assignAttributes(segLine, {
       id: 'segline_' + index,
@@ -4857,22 +5461,26 @@ var getSegSelector = function getSegSelector(seg, update) {
       return segLine;
     }
 
-    var pt = getGripPt(prev);
-    // Set start point
-    replacePathSeg(2, 0, [pt.x, pt.y], segLine);
+    var pt = getGripPt(prev); // Set start point
 
+    replacePathSeg(2, 0, [pt.x, pt.y], segLine);
     var pts = ptObjToArr(seg.type, seg.item); // , true);
+
     for (var i = 0; i < pts.length; i += 2) {
-      var _pt = getGripPt(seg, { x: pts[i], y: pts[i + 1] });
+      var _pt = getGripPt(seg, {
+        x: pts[i],
+        y: pts[i + 1]
+      });
+
       pts[i] = _pt.x;
       pts[i + 1] = _pt.y;
     }
 
     replacePathSeg(seg.type, 1, pts, segLine);
   }
+
   return segLine;
 };
-
 /**
  * @typedef {PlainObject} Point
  * @property {Integer} x The x value
@@ -4887,6 +5495,7 @@ var getSegSelector = function getSegSelector(seg, update) {
 * @param {Point} pt - Object with x and y values (third point)
 * @returns {Point[]} Array of two "smoothed" point objects
 */
+
 var smoothControlPoints = function smoothControlPoints(ct1, ct2, pt) {
   // each point must not be the origin
   var x1 = ct1.x - pt.x,
@@ -4901,67 +5510,68 @@ var smoothControlPoints = function smoothControlPoints(ct1, ct2, pt) {
         nct2 = editorContext_.getSVGRoot().createSVGPoint();
     var anglea = Math.atan2(y1, x1),
         angleb = Math.atan2(y2, x2);
+
     if (anglea < 0) {
       anglea += 2 * Math.PI;
     }
+
     if (angleb < 0) {
       angleb += 2 * Math.PI;
     }
 
     var angleBetween = Math.abs(anglea - angleb),
         angleDiff = Math.abs(Math.PI - angleBetween) / 2;
+    var newAnglea, newAngleb;
 
-    var newAnglea = void 0,
-        newAngleb = void 0;
     if (anglea - angleb > 0) {
       newAnglea = angleBetween < Math.PI ? anglea + angleDiff : anglea - angleDiff;
       newAngleb = angleBetween < Math.PI ? angleb - angleDiff : angleb + angleDiff;
     } else {
       newAnglea = angleBetween < Math.PI ? anglea - angleDiff : anglea + angleDiff;
       newAngleb = angleBetween < Math.PI ? angleb + angleDiff : angleb - angleDiff;
-    }
+    } // rotate the points
+
 
-    // rotate the points
     nct1.x = r1 * Math.cos(newAnglea) + pt.x;
     nct1.y = r1 * Math.sin(newAnglea) + pt.y;
     nct2.x = r2 * Math.cos(newAngleb) + pt.x;
     nct2.y = r2 * Math.sin(newAngleb) + pt.y;
-
     return [nct1, nct2];
   }
+
   return undefined;
 };
-
 /**
 *
 */
-var Segment = function () {
+
+var Segment =
+/*#__PURE__*/
+function () {
   /**
   * @param {Integer} index
   * @param {SVGPathSeg} item
   * @todo Is `item` be more constrained here?
   */
   function Segment(index, item) {
-    classCallCheck(this, Segment);
+    _classCallCheck(this, Segment);
 
     this.selected = false;
     this.index = index;
     this.item = item;
     this.type = item.pathSegType;
-
     this.ctrlpts = [];
     this.ptgrip = null;
     this.segsel = null;
   }
-
   /**
    * @param {boolean} y
    * @returns {undefined}
    */
 
 
-  createClass(Segment, [{
-    key: 'showCtrlPts',
+  _createClass(Segment, [{
+    key: "showCtrlPts",
     value: function showCtrlPts(y) {
       for (var i in this.ctrlpts) {
         if (this.ctrlpts.hasOwnProperty(i)) {
@@ -4969,71 +5579,69 @@ var Segment = function () {
         }
       }
     }
-
     /**
      * @param {boolean} y
      * @returns {undefined}
      */
 
   }, {
-    key: 'selectCtrls',
+    key: "selectCtrls",
     value: function selectCtrls(y) {
       $$1('#ctrlpointgrip_' + this.index + 'c1, #ctrlpointgrip_' + this.index + 'c2').attr('fill', y ? '#0FF' : '#EEE');
     }
-
     /**
      * @param {boolean} y
      * @returns {undefined}
      */
 
   }, {
-    key: 'show',
+    key: "show",
     value: function show(y) {
       if (this.ptgrip) {
         this.ptgrip.setAttribute('display', y ? 'inline' : 'none');
-        this.segsel.setAttribute('display', y ? 'inline' : 'none');
-        // Show/hide all control points if available
+        this.segsel.setAttribute('display', y ? 'inline' : 'none'); // Show/hide all control points if available
+
         this.showCtrlPts(y);
       }
     }
-
     /**
      * @param {boolean} y
      * @returns {undefined}
      */
 
   }, {
-    key: 'select',
+    key: "select",
     value: function select(y) {
       if (this.ptgrip) {
         this.ptgrip.setAttribute('stroke', y ? '#0FF' : '#00F');
         this.segsel.setAttribute('display', y ? 'inline' : 'none');
+
         if (this.ctrlpts) {
           this.selectCtrls(y);
         }
+
         this.selected = y;
       }
     }
-
     /**
      * @returns {undefined}
      */
 
   }, {
-    key: 'addGrip',
+    key: "addGrip",
     value: function addGrip() {
       this.ptgrip = getPointGrip(this, true);
       this.ctrlpts = getControlPoints(this); // , true);
+
       this.segsel = getSegSelector(this, true);
     }
-
     /**
      * @param {boolean} full
      * @returns {undefined}
      */
 
   }, {
-    key: 'update',
+    key: "update",
     value: function update(full) {
       if (this.ptgrip) {
         var pt = getGripPt(this);
@@ -5041,7 +5649,6 @@ var Segment = function () {
           cx: pt.x,
           cy: pt.y
         });
-
         getSegSelector(this, true);
 
         if (this.ctrlpts) {
@@ -5049,12 +5656,12 @@ var Segment = function () {
             this.item = path.elem.pathSegList.getItem(this.index);
             this.type = this.item.pathSegType;
           }
+
           getControlPoints(this);
-        }
-        // this.segsel.setAttribute('display', y ? 'inline' : 'none');
+        } // this.segsel.setAttribute('display', y ? 'inline' : 'none');
+
       }
     }
-
     /**
      * @param {Integer} dx
      * @param {Integer} dy
@@ -5062,13 +5669,10 @@ var Segment = function () {
      */
 
   }, {
-    key: 'move',
+    key: "move",
     value: function move(dx, dy) {
       var item = this.item;
-
-
       var curPts = this.ctrlpts ? [item.x += dx, item.y += dy, item.x1, item.y1, item.x2 += dx, item.y2 += dy] : [item.x += dx, item.y += dy];
-
       replacePathSeg(this.type, this.index, curPts);
 
       if (this.next && this.next.ctrlpts) {
@@ -5081,57 +5685,54 @@ var Segment = function () {
         // The last point of a closed subpath has a 'mate',
         // which is the 'M' segment of the subpath
         var _item = this.mate.item;
-
         var pts = [_item.x += dx, _item.y += dy];
-        replacePathSeg(this.mate.type, this.mate.index, pts);
-        // Has no grip, so does not need 'updating'?
+        replacePathSeg(this.mate.type, this.mate.index, pts); // Has no grip, so does not need 'updating'?
       }
 
       this.update(true);
+
       if (this.next) {
         this.next.update(true);
       }
     }
-
     /**
      * @param {Integer} num
      * @returns {undefined}
      */
 
   }, {
-    key: 'setLinked',
+    key: "setLinked",
     value: function setLinked(num) {
-      var seg = void 0,
-          anum = void 0,
-          pt = void 0;
+      var seg, anum, pt;
+
       if (num === 2) {
         anum = 1;
         seg = this.next;
+
         if (!seg) {
           return;
         }
+
         pt = this.item;
       } else {
         anum = 2;
         seg = this.prev;
+
         if (!seg) {
           return;
         }
+
         pt = seg.item;
       }
 
       var _seg = seg,
           item = _seg.item;
-
       item['x' + anum] = pt.x + (pt.x - this.item['x' + num]);
       item['y' + anum] = pt.y + (pt.y - this.item['y' + num]);
-
       var pts = [item.x, item.y, item.x1, item.y1, item.x2, item.y2];
-
       replacePathSeg(seg.type, seg.index, pts);
       seg.update(true);
     }
-
     /**
      * @param {Integer} num
      * @param {Integer} dx
@@ -5140,26 +5741,22 @@ var Segment = function () {
      */
 
   }, {
-    key: 'moveCtrl',
+    key: "moveCtrl",
     value: function moveCtrl(num, dx, dy) {
       var item = this.item;
-
       item['x' + num] += dx;
       item['y' + num] += dy;
-
       var pts = [item.x, item.y, item.x1, item.y1, item.x2, item.y2];
-
       replacePathSeg(this.type, this.index, pts);
       this.update(true);
     }
-
     /**
      * @param {Integer} newType Possible values set during {@link module:path.init}
      * @param {ArgumentsArray} pts
      */
 
   }, {
-    key: 'setType',
+    key: "setType",
     value: function setType(newType, pts) {
       replacePathSeg(newType, this.index, pts);
       this.type = newType;
@@ -5169,19 +5766,22 @@ var Segment = function () {
       this.update(true);
     }
   }]);
+
   return Segment;
 }();
-
 /**
 *
 */
-var Path = function () {
+
+var Path =
+/*#__PURE__*/
+function () {
   /**
   * @param {SVGPathElement}
   * @throws {Error} If constructed without a path element
   */
   function Path(elem) {
-    classCallCheck(this, Path);
+    _classCallCheck(this, Path);
 
     if (!elem || elem.tagName !== 'path') {
       throw new Error('svgedit.path.Path constructed without a <path> element');
@@ -5191,33 +5791,28 @@ var Path = function () {
     this.segs = [];
     this.selected_pts = [];
     path = this;
-
     this.init();
   }
-
   /**
   * Reset path data
   * @returns {module:path.Path}
   */
 
 
-  createClass(Path, [{
-    key: 'init',
+  _createClass(Path, [{
+    key: "init",
     value: function init$$1() {
       // Hide all grips, etc
-
       // fixed, needed to work on all found elements, not just first
       $$1(getGripContainer()).find('*').each(function () {
         $$1(this).attr('display', 'none');
       });
-
       var segList = this.elem.pathSegList;
       var len = segList.numberOfItems;
       this.segs = [];
       this.selected_pts = [];
-      this.first_seg = null;
+      this.first_seg = null; // Set up segs array
 
-      // Set up segs array
       for (var i = 0; i < len; i++) {
         var item = segList.getItem(i);
         var segment = new Segment(i, item);
@@ -5226,13 +5821,13 @@ var Path = function () {
       }
 
       var segs = this.segs;
-
-
       var startI = null;
+
       for (var _i3 = 0; _i3 < len; _i3++) {
         var seg = segs[_i3];
         var nextSeg = _i3 + 1 >= len ? null : segs[_i3 + 1];
         var prevSeg = _i3 - 1 < 0 ? null : segs[_i3 - 1];
+
         if (seg.type === 2) {
           if (prevSeg && prevSeg.type !== 1) {
             // New sub-path, last one is open,
@@ -5241,18 +5836,19 @@ var Path = function () {
             startSeg.next = segs[startI + 1];
             startSeg.next.prev = startSeg;
             startSeg.addGrip();
-          }
-          // Remember that this is a starter seg
+          } // Remember that this is a starter seg
+
+
           startI = _i3;
         } else if (nextSeg && nextSeg.type === 1) {
           // This is the last real segment of a closed sub-path
           // Next is first seg after "M"
-          seg.next = segs[startI + 1];
+          seg.next = segs[startI + 1]; // First seg after "M"'s prev is this
 
-          // First seg after "M"'s prev is this
           seg.next.prev = seg;
           seg.mate = segs[startI];
           seg.addGrip();
+
           if (this.first_seg == null) {
             this.first_seg = seg;
           }
@@ -5263,7 +5859,9 @@ var Path = function () {
             var _startSeg = segs[startI];
             _startSeg.next = segs[startI + 1];
             _startSeg.next.prev = _startSeg;
+
             _startSeg.addGrip();
+
             seg.addGrip();
 
             if (!this.first_seg) {
@@ -5273,60 +5871,60 @@ var Path = function () {
           }
         } else if (seg.type !== 1) {
           // Regular segment, so add grip and its "next"
-          seg.addGrip();
+          seg.addGrip(); // Don't set its "next" if it's an "M"
 
-          // Don't set its "next" if it's an "M"
           if (nextSeg && nextSeg.type !== 2) {
             seg.next = nextSeg;
             seg.next.prev = seg;
           }
         }
       }
+
       return this;
     }
-
     /**
     * @callback module:path.PathEachSegCallback
     * @this module:path.Segment
     * @param {Integer} i The index of the seg being iterated
     * @returns {boolean} Will stop execution of `eachSeg` if returns `false`
     */
+
     /**
     * @param {module:path.PathEachSegCallback} fn
     * @returns {undefined}
     */
 
   }, {
-    key: 'eachSeg',
+    key: "eachSeg",
     value: function eachSeg(fn) {
       var len = this.segs.length;
+
       for (var i = 0; i < len; i++) {
         var ret = fn.call(this.segs[i], i);
+
         if (ret === false) {
           break;
         }
       }
     }
-
     /**
     * @param {Integer} index
     * @returns {undefined}
     */
 
   }, {
-    key: 'addSeg',
+    key: "addSeg",
     value: function addSeg(index) {
       // Adds a new segment
       var seg = this.segs[index];
+
       if (!seg.prev) {
         return;
       }
 
       var prev = seg.prev;
+      var newseg, newX, newY;
 
-      var newseg = void 0,
-          newX = void 0,
-          newY = void 0;
       switch (seg.item.pathSegType) {
         case 4:
           {
@@ -5334,7 +5932,9 @@ var Path = function () {
             newY = (seg.item.y + prev.item.y) / 2;
             newseg = this.elem.createSVGPathSegLinetoAbs(newX, newY);
             break;
-          }case 6:
+          }
+
+        case 6:
           {
             // make it a curved segment to preserve the shape (WRS)
             // https://en.wikipedia.org/wiki/De_Casteljau%27s_algorithm#Geometric_interpretation
@@ -5359,29 +5959,25 @@ var Path = function () {
 
       insertItemBefore(this.elem, newseg, index);
     }
-
     /**
     * @param {Integer} index
     * @returns {undefined}
     */
 
   }, {
-    key: 'deleteSeg',
+    key: "deleteSeg",
     value: function deleteSeg(index) {
       var seg = this.segs[index];
       var list = this.elem.pathSegList;
-
       seg.show(false);
       var next = seg.next;
 
       if (seg.mate) {
         // Make the next point be the "M" point
         var pt = [next.item.x, next.item.y];
-        replacePathSeg(2, next.index, pt);
+        replacePathSeg(2, next.index, pt); // Reposition last node
 
-        // Reposition last node
         replacePathSeg(4, seg.index, pt);
-
         list.removeItem(seg.mate.index);
       } else if (!seg.prev) {
         // First node of open path, make next point the M
@@ -5393,57 +5989,57 @@ var Path = function () {
         list.removeItem(index);
       }
     }
-
     /**
     * @param {Integer} index
     * @returns {boolean}
     */
 
   }, {
-    key: 'subpathIsClosed',
+    key: "subpathIsClosed",
     value: function subpathIsClosed(index) {
-      var closed = false;
-      // Check if subpath is already open
+      var closed = false; // Check if subpath is already open
+
       path.eachSeg(function (i) {
         if (i <= index) {
           return true;
         }
+
         if (this.type === 2) {
           // Found M first, so open
           return false;
         }
+
         if (this.type === 1) {
           // Found Z first, so closed
           closed = true;
           return false;
         }
       });
-
       return closed;
     }
-
     /**
     * @param {Integer} index
     * @returns {undefined}
     */
 
   }, {
-    key: 'removePtFromSelection',
+    key: "removePtFromSelection",
     value: function removePtFromSelection(index) {
       var pos = this.selected_pts.indexOf(index);
+
       if (pos === -1) {
         return;
       }
+
       this.segs[index].select(false);
       this.selected_pts.splice(pos, 1);
     }
-
     /**
     * @returns {undefined}
     */
 
   }, {
-    key: 'clearSelection',
+    key: "clearSelection",
     value: function clearSelection() {
       this.eachSeg(function () {
         // 'this' is the segment here
@@ -5451,36 +6047,35 @@ var Path = function () {
       });
       this.selected_pts = [];
     }
-
     /**
     * @returns {undefined}
     */
 
   }, {
-    key: 'storeD',
+    key: "storeD",
     value: function storeD() {
       this.last_d = this.elem.getAttribute('d');
     }
-
     /**
     * @param {Integer} y
     * @returns {undefined}
     */
 
   }, {
-    key: 'show',
+    key: "show",
     value: function show(y) {
       // Shows this path's segment grips
       this.eachSeg(function () {
         // 'this' is the segment here
         this.show(y);
       });
+
       if (y) {
         this.selectPt(this.first_seg.index);
       }
+
       return this;
     }
-
     /**
     * Move selected points
     * @param {Integer} dx
@@ -5489,15 +6084,15 @@ var Path = function () {
     */
 
   }, {
-    key: 'movePts',
+    key: "movePts",
     value: function movePts(dx, dy) {
       var i = this.selected_pts.length;
+
       while (i--) {
         var seg = this.segs[this.selected_pts[i]];
         seg.move(dx, dy);
       }
     }
-
     /**
     * @param {Integer} dx
     * @param {Integer} dy
@@ -5505,30 +6100,30 @@ var Path = function () {
     */
 
   }, {
-    key: 'moveCtrl',
+    key: "moveCtrl",
     value: function moveCtrl(dx, dy) {
       var seg = this.segs[this.selected_pts[0]];
       seg.moveCtrl(this.dragctrl, dx, dy);
+
       if (linkControlPts) {
         seg.setLinked(this.dragctrl);
       }
     }
-
     /**
     * @param {?Integer} newType See {@link https://www.w3.org/TR/SVG/single-page.html#paths-InterfaceSVGPathSeg}
     * @returns {undefined}
     */
 
   }, {
-    key: 'setSegType',
+    key: "setSegType",
     value: function setSegType(newType) {
       this.storeD();
       var i = this.selected_pts.length;
-      var text = void 0;
-      while (i--) {
-        var selPt = this.selected_pts[i];
+      var text;
+
+      while (i--) {
+        var selPt = this.selected_pts[i]; // Selected seg
 
-        // Selected seg
         var cur = this.segs[selPt];
         var prev = cur.prev;
 
@@ -5538,21 +6133,19 @@ var Path = function () {
 
         if (!newType) {
           // double-click, so just toggle
-          text = 'Toggle Path Segment Type';
+          text = 'Toggle Path Segment Type'; // Toggle segment to curve/straight line
 
-          // Toggle segment to curve/straight line
           var oldType = cur.type;
-
           newType = oldType === 6 ? 4 : 6;
         }
 
         newType = Number(newType);
-
         var curX = cur.item.x;
         var curY = cur.item.y;
         var prevX = prev.item.x;
         var prevY = prev.item.y;
         var points = void 0;
+
         switch (newType) {
           case 6:
             {
@@ -5561,8 +6154,8 @@ var Path = function () {
                 points = [curX, curY, old.x1, old.y1, old.x2, old.y2];
               } else {
                 var diffX = curX - prevX;
-                var diffY = curY - prevY;
-                // get control points from straight line segment
+                var diffY = curY - prevY; // get control points from straight line segment
+
                 /*
                 const ct1x = (prevX + (diffY/2));
                 const ct1y = (prevY - (diffX/2));
@@ -5570,18 +6163,21 @@ var Path = function () {
                 const ct2y = (curY - (diffX/2));
                 */
                 // create control points on the line to preserve the shape (WRS)
+
                 var ct1x = prevX + diffX / 3;
                 var ct1y = prevY + diffY / 3;
                 var ct2x = curX - diffX / 3;
                 var ct2y = curY - diffY / 3;
                 points = [curX, curY, ct1x, ct1y, ct2x, ct2y];
               }
-              break;
-            }case 4:
-            {
-              points = [curX, curY];
 
-              // Store original prevve segment nums
+              break;
+            }
+
+          case 4:
+            {
+              points = [curX, curY]; // Store original prevve segment nums
+
               cur.olditem = cur.item;
               break;
             }
@@ -5589,9 +6185,9 @@ var Path = function () {
 
         cur.setType(newType, points);
       }
+
       path.endChanges(text);
     }
-
     /**
     * @param {Integer} pt
     * @param {Integer} ctrlNum
@@ -5599,9 +6195,10 @@ var Path = function () {
     */
 
   }, {
-    key: 'selectPt',
+    key: "selectPt",
     value: function selectPt(pt, ctrlNum) {
       this.clearSelection();
+
       if (pt == null) {
         this.eachSeg(function (i) {
           // 'this' is the segment here.
@@ -5610,7 +6207,9 @@ var Path = function () {
           }
         });
       }
+
       this.addPtsToSelection(pt);
+
       if (ctrlNum) {
         this.dragctrl = ctrlNum;
 
@@ -5619,14 +6218,13 @@ var Path = function () {
         }
       }
     }
-
     /**
     * Update position of all points
     * @returns {Path}
     */
 
   }, {
-    key: 'update',
+    key: "update",
     value: function update() {
       var elem = this.elem;
 
@@ -5642,119 +6240,123 @@ var Path = function () {
         this.item = elem.pathSegList.getItem(i);
         this.update();
       });
-
       return this;
     }
-
     /**
     * @param {string} text
     * @returns {undefined}
     */
 
   }, {
-    key: 'endChanges',
+    key: "endChanges",
     value: function endChanges(text) {
       if (isWebkit()) {
         editorContext_.resetD(this.elem);
       }
-      var cmd = new ChangeElementCommand(this.elem, { d: this.last_d }, text);
-      editorContext_.endChanges({ cmd: cmd, elem: this.elem });
-    }
 
+      var cmd = new ChangeElementCommand(this.elem, {
+        d: this.last_d
+      }, text);
+      editorContext_.endChanges({
+        cmd: cmd,
+        elem: this.elem
+      });
+    }
     /**
     * @param {Integer|Integer[]} indexes
     * @returns {undefined}
     */
 
   }, {
-    key: 'addPtsToSelection',
+    key: "addPtsToSelection",
     value: function addPtsToSelection(indexes) {
       if (!Array.isArray(indexes)) {
         indexes = [indexes];
       }
+
       for (var _i4 = 0; _i4 < indexes.length; _i4++) {
         var index = indexes[_i4];
         var seg = this.segs[index];
+
         if (seg.ptgrip) {
           if (!this.selected_pts.includes(index) && index >= 0) {
             this.selected_pts.push(index);
           }
         }
       }
+
       this.selected_pts.sort();
       var i = this.selected_pts.length;
       var grips = [];
-      grips.length = i;
-      // Loop through points to be selected and highlight each
+      grips.length = i; // Loop through points to be selected and highlight each
+
       while (i--) {
         var pt = this.selected_pts[i];
         var _seg2 = this.segs[pt];
+
         _seg2.select(true);
+
         grips[i] = _seg2.ptgrip;
       }
 
       var closedSubpath = this.subpathIsClosed(this.selected_pts[0]);
-      editorContext_.addPtsToSelection({ grips: grips, closedSubpath: closedSubpath });
+      editorContext_.addPtsToSelection({
+        grips: grips,
+        closedSubpath: closedSubpath
+      });
     }
   }]);
+
   return Path;
 }();
-
 /**
 * @function module:path.getPath_
 * @param {SVGPathElement} elem
 * @returns {module:path.Path}
 */
+
 var getPath_ = function getPath_(elem) {
   var p = pathData[elem.id];
+
   if (!p) {
     p = pathData[elem.id] = new Path(elem);
   }
+
   return p;
 };
-
 /**
 * @function module:path.removePath_
 * @param {string} id
 * @returns {undefined}
 */
+
 var removePath_ = function removePath_(id) {
   if (id in pathData) {
     delete pathData[id];
   }
 };
-
-var newcx = void 0,
-    newcy = void 0,
-    oldcx = void 0,
-    oldcy = void 0,
-    angle = void 0;
+var newcx, newcy, oldcx, oldcy, angle;
 
 var getRotVals = function getRotVals(x, y) {
   var dx = x - oldcx;
-  var dy = y - oldcy;
+  var dy = y - oldcy; // rotate the point around the old center
 
-  // rotate the point around the old center
   var r = Math.sqrt(dx * dx + dy * dy);
   var theta = Math.atan2(dy, dx) + angle;
   dx = r * Math.cos(theta) + oldcx;
-  dy = r * Math.sin(theta) + oldcy;
-
-  // dx,dy should now hold the actual coordinates of each
+  dy = r * Math.sin(theta) + oldcy; // dx,dy should now hold the actual coordinates of each
   // point after being rotated
-
   // now we want to rotate them around the new center in the reverse direction
+
   dx -= newcx;
   dy -= newcy;
-
   r = Math.sqrt(dx * dx + dy * dy);
   theta = Math.atan2(dy, dx) - angle;
-
-  return { x: r * Math.cos(theta) + newcx,
-    y: r * Math.sin(theta) + newcy };
-};
-
-// If the path was rotated, we must now pay the piper:
+  return {
+    x: r * Math.cos(theta) + newcx,
+    y: r * Math.sin(theta) + newcy
+  };
+}; // If the path was rotated, we must now pay the piper:
 // Every path point must be rotated into the rotated coordinate system of
 // its old center, then determine the new center, then rotate it back
 // This is because we want the path to remember its rotation
@@ -5765,113 +6367,116 @@ var getRotVals = function getRotVals(x, y) {
 * be optimized or even taken care of by `recalculateDimensions`
 * @returns {undefined}
 */
+
+
 var recalcRotatedPath = function recalcRotatedPath() {
   var currentPath = path.elem;
   angle = getRotationAngle(currentPath, true);
+
   if (!angle) {
     return;
-  }
-  // selectedBBoxes[0] = path.oldbbox;
+  } // selectedBBoxes[0] = path.oldbbox;
+
+
   var oldbox = path.oldbbox; // selectedBBoxes[0],
+
   oldcx = oldbox.x + oldbox.width / 2;
   oldcy = oldbox.y + oldbox.height / 2;
   var box = getBBox(currentPath);
   newcx = box.x + box.width / 2;
-  newcy = box.y + box.height / 2;
+  newcy = box.y + box.height / 2; // un-rotate the new center to the proper position
 
-  // un-rotate the new center to the proper position
   var dx = newcx - oldcx,
       dy = newcy - oldcy,
       r = Math.sqrt(dx * dx + dy * dy),
       theta = Math.atan2(dy, dx) + angle;
-
   newcx = r * Math.cos(theta) + oldcx;
   newcy = r * Math.sin(theta) + oldcy;
-
   var list = currentPath.pathSegList;
-
   var i = list.numberOfItems;
+
   while (i) {
     i -= 1;
     var seg = list.getItem(i),
         type = seg.pathSegType;
+
     if (type === 1) {
       continue;
     }
 
     var rvals = getRotVals(seg.x, seg.y),
         points = [rvals.x, rvals.y];
+
     if (seg.x1 != null && seg.x2 != null) {
       var cVals1 = getRotVals(seg.x1, seg.y1);
       var cVals2 = getRotVals(seg.x2, seg.y2);
       points.splice(points.length, 0, cVals1.x, cVals1.y, cVals2.x, cVals2.y);
     }
+
     replacePathSeg(type, i, points);
   } // loop for each point
 
-  /* box = */getBBox(currentPath);
-  // selectedBBoxes[0].x = box.x; selectedBBoxes[0].y = box.y;
-  // selectedBBoxes[0].width = box.width; selectedBBoxes[0].height = box.height;
+  /* box = */
 
+
+  getBBox(currentPath); // selectedBBoxes[0].x = box.x; selectedBBoxes[0].y = box.y;
+  // selectedBBoxes[0].width = box.width; selectedBBoxes[0].height = box.height;
   // now we must set the new transform to be rotated around the new center
+
   var Rnc = editorContext_.getSVGRoot().createSVGTransform(),
       tlist = getTransformList(currentPath);
   Rnc.setRotate(angle * 180.0 / Math.PI, newcx, newcy);
   tlist.replaceItem(Rnc, 0);
-};
-
-// ====================================
+}; // ====================================
 // Public API starts here
 
 /**
 * @function module:path.clearData
 * @returns {undefined}
 */
+
 var clearData = function clearData() {
   pathData = {};
-};
+}; // Making public for mocking
 
-// Making public for mocking
 /**
 * @function module:path.reorientGrads
 * @param {Element} elem
 * @param {SVGMatrix} m
 * @returns {undefined}
 */
+
 var reorientGrads = function reorientGrads(elem, m) {
   var bb = getBBox(elem);
+
   for (var i = 0; i < 2; i++) {
     var type = i === 0 ? 'fill' : 'stroke';
     var attrVal = elem.getAttribute(type);
+
     if (attrVal && attrVal.startsWith('url(')) {
       var grad = getRefElem(attrVal);
+
       if (grad.tagName === 'linearGradient') {
         var x1 = grad.getAttribute('x1') || 0;
         var y1 = grad.getAttribute('y1') || 0;
         var x2 = grad.getAttribute('x2') || 1;
-        var y2 = grad.getAttribute('y2') || 0;
+        var y2 = grad.getAttribute('y2') || 0; // Convert to USOU points
 
-        // Convert to USOU points
         x1 = bb.width * x1 + bb.x;
         y1 = bb.height * y1 + bb.y;
         x2 = bb.width * x2 + bb.x;
-        y2 = bb.height * y2 + bb.y;
+        y2 = bb.height * y2 + bb.y; // Transform those points
 
-        // Transform those points
         var pt1 = transformPoint(x1, y1, m);
-        var pt2 = transformPoint(x2, y2, m);
+        var pt2 = transformPoint(x2, y2, m); // Convert back to BB points
 
-        // Convert back to BB points
         var gCoords = {};
-
         gCoords.x1 = (pt1.x - bb.x) / bb.width;
         gCoords.y1 = (pt1.y - bb.y) / bb.height;
         gCoords.x2 = (pt2.x - bb.x) / bb.width;
         gCoords.y2 = (pt2.y - bb.y) / bb.height;
-
         var newgrad = grad.cloneNode(true);
         $$1(newgrad).attr(gCoords);
-
         newgrad.id = editorContext_.getNextId();
         findDefs().append(newgrad);
         elem.setAttribute(type, 'url(#' + newgrad.id + ')');
@@ -5879,14 +6484,13 @@ var reorientGrads = function reorientGrads(elem, m) {
     }
   }
 };
-
 /**
 * This is how we map paths to our preferred relative segment types
 * @name module:path.pathMap
 * @type {GenericArray}
 */
-var pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a', 'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];
 
+var pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a', 'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];
 /**
  * Convert a path to one with only absolute or relative values
  * @todo move to pathActions.js
@@ -5895,6 +6499,7 @@ var pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a', 'H', 'h
  * @param {boolean} toRel - true of convert to relative
  * @returns {string}
  */
+
 var convertPath = function convertPath(path, toRel) {
   var segList = path.pathSegList;
   var len = segList.numberOfItems;
@@ -5904,15 +6509,14 @@ var convertPath = function convertPath(path, toRel) {
   var lastM = null;
 
   for (var i = 0; i < len; ++i) {
-    var seg = segList.getItem(i);
-    // if these properties are not in the segment, set them to zero
+    var seg = segList.getItem(i); // if these properties are not in the segment, set them to zero
+
     var x = seg.x || 0,
         y = seg.y || 0,
         x1 = seg.x1 || 0,
         y1 = seg.y1 || 0,
         x2 = seg.x2 || 0,
         y2 = seg.y2 || 0;
-
     var type = seg.pathSegType;
     var letter = pathMap[type]['to' + (toRel ? 'Lower' : 'Upper') + 'Case']();
 
@@ -5920,15 +6524,19 @@ var convertPath = function convertPath(path, toRel) {
       case 1:
         // z,Z closepath (Z/z)
         d += 'z';
+
         if (lastM && !toRel) {
           curx = lastM[0];
           cury = lastM[1];
         }
+
         break;
+
       case 12:
         // absolute horizontal line (H)
         x -= curx;
       // Fallthrough
+
       case 13:
         // relative horizontal line (h)
         if (toRel) {
@@ -5938,14 +6546,17 @@ var convertPath = function convertPath(path, toRel) {
           x += curx;
           curx = x;
           letter = 'L';
-        }
-        // Convert to "line" for easier editing
+        } // Convert to "line" for easier editing
+
+
         d += pathDSegment(letter, [[x, cury]]);
         break;
+
       case 14:
         // absolute vertical line (V)
         y -= cury;
       // Fallthrough
+
       case 15:
         // relative vertical line (v)
         if (toRel) {
@@ -5955,19 +6566,26 @@ var convertPath = function convertPath(path, toRel) {
           y += cury;
           cury = y;
           letter = 'L';
-        }
-        // Convert to "line" for easier editing
+        } // Convert to "line" for easier editing
+
+
         d += pathDSegment(letter, [[curx, y]]);
         break;
+
       case 2: // absolute move (M)
+
       case 4: // absolute line (L)
+
       case 18:
         // absolute smooth quad (T)
         x -= curx;
         y -= cury;
       // Fallthrough
+
       case 5: // relative line (l)
+
       case 3: // relative move (m)
+
       case 19:
         // relative smooth quad (t)
         if (toRel) {
@@ -5979,53 +6597,74 @@ var convertPath = function convertPath(path, toRel) {
           curx = x;
           cury = y;
         }
+
         if (type === 2 || type === 3) {
           lastM = [curx, cury];
         }
 
         d += pathDSegment(letter, [[x, y]]);
         break;
+
       case 6:
         // absolute cubic (C)
-        x -= curx;x1 -= curx;x2 -= curx;
-        y -= cury;y1 -= cury;y2 -= cury;
+        x -= curx;
+        x1 -= curx;
+        x2 -= curx;
+        y -= cury;
+        y1 -= cury;
+        y2 -= cury;
       // Fallthrough
+
       case 7:
         // relative cubic (c)
         if (toRel) {
           curx += x;
           cury += y;
         } else {
-          x += curx;x1 += curx;x2 += curx;
-          y += cury;y1 += cury;y2 += cury;
+          x += curx;
+          x1 += curx;
+          x2 += curx;
+          y += cury;
+          y1 += cury;
+          y2 += cury;
           curx = x;
           cury = y;
         }
+
         d += pathDSegment(letter, [[x1, y1], [x2, y2], [x, y]]);
         break;
+
       case 8:
         // absolute quad (Q)
-        x -= curx;x1 -= curx;
-        y -= cury;y1 -= cury;
+        x -= curx;
+        x1 -= curx;
+        y -= cury;
+        y1 -= cury;
       // Fallthrough
+
       case 9:
         // relative quad (q)
         if (toRel) {
           curx += x;
           cury += y;
         } else {
-          x += curx;x1 += curx;
-          y += cury;y1 += cury;
+          x += curx;
+          x1 += curx;
+          y += cury;
+          y1 += cury;
           curx = x;
           cury = y;
         }
+
         d += pathDSegment(letter, [[x1, y1], [x, y]]);
         break;
+
       case 10:
         // absolute elliptical arc (A)
         x -= curx;
         y -= cury;
       // Fallthrough
+
       case 11:
         // relative elliptical arc (a)
         if (toRel) {
@@ -6037,31 +6676,41 @@ var convertPath = function convertPath(path, toRel) {
           curx = x;
           cury = y;
         }
+
         d += pathDSegment(letter, [[seg.r1, seg.r2]], [seg.angle, seg.largeArcFlag ? 1 : 0, seg.sweepFlag ? 1 : 0], [x, y]);
         break;
+
       case 16:
         // absolute smooth cubic (S)
-        x -= curx;x2 -= curx;
-        y -= cury;y2 -= cury;
+        x -= curx;
+        x2 -= curx;
+        y -= cury;
+        y2 -= cury;
       // Fallthrough
+
       case 17:
         // relative smooth cubic (s)
         if (toRel) {
           curx += x;
           cury += y;
         } else {
-          x += curx;x2 += curx;
-          y += cury;y2 += cury;
+          x += curx;
+          x2 += curx;
+          y += cury;
+          y2 += cury;
           curx = x;
           cury = y;
         }
+
         d += pathDSegment(letter, [[x2, y2], [x, y]]);
         break;
     } // switch on path segment type
+
   } // for each segment
+
+
   return d;
 };
-
 /**
  * TODO: refactor callers in convertPath to use getPathDFromSegments instead of this function.
  * Legacy code refactored from svgcanvas.pathActions.convertPath
@@ -6071,34 +6720,36 @@ var convertPath = function convertPath(path, toRel) {
  * @param {Integer[]} [lastPoint] - x,y point
  * @returns {string}
  */
+
 function pathDSegment(letter, points, morePoints, lastPoint) {
   $$1.each(points, function (i, pnt) {
     points[i] = shortFloat(pnt);
   });
   var segment = letter + points.join(' ');
+
   if (morePoints) {
     segment += ' ' + morePoints.join(' ');
   }
+
   if (lastPoint) {
     segment += ' ' + shortFloat(lastPoint);
   }
+
   return segment;
 }
-
 /**
 * Group: Path edit functions
 * Functions relating to editing path elements
 * @namespace {PlainObject} pathActions
 * @memberof module:path
 */
+
+
 var pathActions = function () {
   var subpath = false;
-  var newPoint = void 0,
-      firstCtrl = void 0;
-
+  var newPoint, firstCtrl;
   var currentPath = null;
-  var hasMoved = false;
-  // No `editorContext_` yet but should be ok as is `null` by default
+  var hasMoved = false; // No `editorContext_` yet but should be ok as is `null` by default
   // editorContext_.setDrawnPath(null);
 
   /**
@@ -6109,12 +6760,13 @@ var pathActions = function () {
   * @param {Element} element
   * @returns {Element}
   */
+
   var smoothPolylineIntoPath = function smoothPolylineIntoPath(element) {
-    var i = void 0;
+    var i;
     var _element = element,
         points = _element.points;
-
     var N = points.numberOfItems;
+
     if (N >= 4) {
       // loop through every 3 points and convert to a cubic bezier curve segment
       //
@@ -6133,15 +6785,16 @@ var pathActions = function () {
           prevCtlPt = null;
       var d = [];
       d.push(['M', curpos.x, ',', curpos.y, ' C'].join(''));
+
       for (i = 1; i <= N - 4; i += 3) {
         var ct1 = points.getItem(i);
         var ct2 = points.getItem(i + 1);
-        var end = points.getItem(i + 2);
-
-        // if the previous segment had a control point, we want to smooth out
+        var end = points.getItem(i + 2); // if the previous segment had a control point, we want to smooth out
         // the control points on both sides
+
         if (prevCtlPt) {
           var newpts = smoothControlPoints(prevCtlPt, ct1, curpos);
+
           if (newpts && newpts.length === 2) {
             var prevArr = d[d.length - 1].split(',');
             prevArr[2] = newpts[0].x;
@@ -6152,20 +6805,21 @@ var pathActions = function () {
         }
 
         d.push([ct1.x, ct1.y, ct2.x, ct2.y, end.x, end.y].join(','));
-
         curpos = end;
         prevCtlPt = ct2;
-      }
-      // handle remaining line segments
+      } // handle remaining line segments
+
+
       d.push('L');
+
       while (i < N) {
         var pt = points.getItem(i);
         d.push([pt.x, pt.y].join(','));
         i++;
       }
-      d = d.join(' ');
 
-      // create new path element
+      d = d.join(' '); // create new path element
+
       element = editorContext_.addSVGElementFromJson({
         element: 'path',
         curStyles: true,
@@ -6174,13 +6828,15 @@ var pathActions = function () {
           d: d,
           fill: 'none'
         }
-      });
-      // No need to call "changed", as this is already done under mouseUp
+      }); // No need to call "changed", as this is already done under mouseUp
     }
+
     return element;
   };
 
-  return (/** @lends module:path.pathActions */{
+  return (
+    /** @lends module:path.pathActions */
+    {
       /**
       * @param {MouseEvent} evt
       * @param {Element} mouseTarget
@@ -6189,9 +6845,11 @@ var pathActions = function () {
       * @returns {undefined}
       */
       mouseDown: function mouseDown(evt, mouseTarget, startX, startY) {
-        var id = void 0;
+        var id;
+
         if (editorContext_.getCurrentMode() === 'path') {
           var mouseX = startX; // Was this meant to work with the other `mouseX`? (was defined globally so adding `let` to at least avoid a global)
+
           var mouseY = startY; // Was this meant to work with the other `mouseY`? (was defined globally so adding `let` to at least avoid a global)
 
           var currentZoom = editorContext_.getCurrentZoom();
@@ -6217,15 +6875,19 @@ var pathActions = function () {
             });
             stretchy = getElem('selectorParentGroup').appendChild(stretchy);
           }
-          stretchy.setAttribute('display', 'inline');
 
+          stretchy.setAttribute('display', 'inline');
           var keep = null;
-          var index = void 0;
-          // if pts array is empty, create path element with M at current point
+          var index; // if pts array is empty, create path element with M at current point
+
           var drawnPath = editorContext_.getDrawnPath();
+
           if (!drawnPath) {
             var dAttr = 'M' + x + ',' + y + ' '; // Was this meant to work with the other `dAttr`? (was defined globally so adding `var` to at least avoid a global)
-            /* drawnPath = */editorContext_.setDrawnPath(editorContext_.addSVGElementFromJson({
+
+            /* drawnPath = */
+
+            editorContext_.setDrawnPath(editorContext_.addSVGElementFromJson({
               element: 'path',
               curStyles: true,
               attr: {
@@ -6233,8 +6895,8 @@ var pathActions = function () {
                 id: editorContext_.getNextId(),
                 opacity: editorContext_.getOpacity() / 2
               }
-            }));
-            // set stretchy line to first point
+            })); // set stretchy line to first point
+
             stretchy.setAttribute('d', ['M', mouseX, mouseY, mouseX, mouseY].join(' '));
             index = subpath ? path.segs.length : 0;
             addPointGrip(index, mouseX, mouseY);
@@ -6244,30 +6906,29 @@ var pathActions = function () {
             var i = seglist.numberOfItems;
             var FUZZ = 6 / currentZoom;
             var clickOnPoint = false;
+
             while (i) {
               i--;
               var item = seglist.getItem(i);
               var px = item.x,
-                  py = item.y;
-              // found a matching point
+                  py = item.y; // found a matching point
+
               if (x >= px - FUZZ && x <= px + FUZZ && y >= py - FUZZ && y <= py + FUZZ) {
                 clickOnPoint = true;
                 break;
               }
-            }
+            } // get path element that we are in the process of creating
 
-            // get path element that we are in the process of creating
-            id = editorContext_.getId();
 
-            // Remove previous path object if previously created
+            id = editorContext_.getId(); // Remove previous path object if previously created
+
             removePath_(id);
-
             var newpath = getElem(id);
-            var newseg = void 0;
-            var sSeg = void 0;
-            var len = seglist.numberOfItems;
-            // if we clicked on an existing point, then we are done this path, commit it
+            var newseg;
+            var sSeg;
+            var len = seglist.numberOfItems; // if we clicked on an existing point, then we are done this path, commit it
             // (i, i+1) are the x,y that were clicked on
+
             if (clickOnPoint) {
               // if clicked on any other point but the first OR
               // the first point was clicked on and there are less than 3 points
@@ -6277,8 +6938,8 @@ var pathActions = function () {
                 // Create end segment
                 var absX = seglist.getItem(0).x;
                 var absY = seglist.getItem(0).y;
-
                 sSeg = stretchy.pathSegList.getItem(1);
+
                 if (sSeg.pathSegType === 4) {
                   newseg = drawnPath.createSVGPathSegLinetoAbs(absX, absY);
                 } else {
@@ -6292,11 +6953,13 @@ var pathActions = function () {
                 keep = false;
                 return keep;
               }
-              $$1(stretchy).remove();
 
-              // This will signal to commit the path
+              $$1(stretchy).remove(); // This will signal to commit the path
               // const element = newpath; // Other event handlers define own `element`, so this was probably not meant to interact with them or one which shares state (as there were none); I therefore adding a missing `var` to avoid a global
-              /* drawnPath = */editorContext_.setDrawnPath(null);
+
+              /* drawnPath = */
+
+              editorContext_.setDrawnPath(null);
               editorContext_.setStarted(false);
 
               if (subpath) {
@@ -6308,15 +6971,17 @@ var pathActions = function () {
                 var origD = $$1(path.elem).attr('d');
                 $$1(path.elem).attr('d', origD + newD);
                 $$1(newpath).remove();
+
                 if (path.matrix) {
                   recalcRotatedPath();
                 }
+
                 init$1();
                 pathActions.toEditMode(path.elem);
                 path.selectPt();
                 return false;
-              }
-              // else, create a new point, update path element
+              } // else, create a new point, update path element
+
             } else {
               // Checks if current target or parents are #svgcontent
               if (!$$1.contains(editorContext_.getContainer(), editorContext_.getMouseTarget(evt))) {
@@ -6334,10 +6999,11 @@ var pathActions = function () {
                 var xya = snapToAngle(lastx, lasty, x, y);
                 x = xya.x;
                 y = xya.y;
-              }
+              } // Use the segment defined by stretchy
+
 
-              // Use the segment defined by stretchy
               sSeg = stretchy.pathSegList.getItem(1);
+
               if (sSeg.pathSegType === 4) {
                 newseg = drawnPath.createSVGPathSegLinetoAbs(editorContext_.round(x), editorContext_.round(y));
               } else {
@@ -6345,46 +7011,45 @@ var pathActions = function () {
               }
 
               drawnPath.pathSegList.appendItem(newseg);
-
               x *= currentZoom;
-              y *= currentZoom;
+              y *= currentZoom; // set stretchy line to latest point
 
-              // set stretchy line to latest point
               stretchy.setAttribute('d', ['M', x, y, x, y].join(' '));
               index = num;
+
               if (subpath) {
                 index += path.segs.length;
               }
+
               addPointGrip(index, x, y);
-            }
-            // keep = true;
+            } // keep = true;
+
           }
 
           return;
-        }
+        } // TODO: Make sure currentPath isn't null at this point
+
 
-        // TODO: Make sure currentPath isn't null at this point
         if (!path) {
           return;
         }
 
         path.storeD();
-
         id = evt.target.id;
+        var curPt;
 
-        var curPt = void 0;
         if (id.substr(0, 14) === 'pathpointgrip_') {
           // Select this point
           curPt = path.cur_pt = parseInt(id.substr(14), 10);
           path.dragging = [startX, startY];
-          var seg = path.segs[curPt];
-
-          // only clear selection if shift is not pressed (otherwise, add
+          var seg = path.segs[curPt]; // only clear selection if shift is not pressed (otherwise, add
           // node to selection)
+
           if (!evt.shiftKey) {
             if (path.selected_pts.length <= 1 || !seg.selected) {
               path.clearSelection();
             }
+
             path.addPtsToSelection(curPt);
           } else if (seg.selected) {
             path.removePtFromSelection(curPt);
@@ -6393,20 +7058,22 @@ var pathActions = function () {
           }
         } else if (id.startsWith('ctrlpointgrip_')) {
           path.dragging = [startX, startY];
-
           var parts = id.split('_')[1].split('c');
           curPt = Number(parts[0]);
           var ctrlNum = Number(parts[1]);
           path.selectPt(curPt, ctrlNum);
-        }
+        } // Start selection box
+
 
-        // Start selection box
         if (!path.dragging) {
           var rubberBox = editorContext_.getRubberBox();
+
           if (rubberBox == null) {
             rubberBox = editorContext_.setRubberBox(editorContext_.selectorManager.getRubberBandBox());
           }
+
           var _currentZoom = editorContext_.getCurrentZoom();
+
           assignAttributes(rubberBox, {
             x: startX * _currentZoom,
             y: startY * _currentZoom,
@@ -6426,40 +7093,36 @@ var pathActions = function () {
         var currentZoom = editorContext_.getCurrentZoom();
         hasMoved = true;
         var drawnPath = editorContext_.getDrawnPath();
+
         if (editorContext_.getCurrentMode() === 'path') {
           if (!drawnPath) {
             return;
           }
+
           var seglist = drawnPath.pathSegList;
           var index = seglist.numberOfItems - 1;
 
           if (newPoint) {
             // First point
             // if (!index) { return; }
-
             // Set control points
             var pointGrip1 = addCtrlGrip('1c1');
-            var pointGrip2 = addCtrlGrip('0c2');
+            var pointGrip2 = addCtrlGrip('0c2'); // dragging pointGrip1
 
-            // dragging pointGrip1
             pointGrip1.setAttribute('cx', mouseX);
             pointGrip1.setAttribute('cy', mouseY);
             pointGrip1.setAttribute('display', 'inline');
-
             var ptX = newPoint[0];
-            var ptY = newPoint[1];
-
-            // set curve
+            var ptY = newPoint[1]; // set curve
             // const seg = seglist.getItem(index);
+
             var curX = mouseX / currentZoom;
             var curY = mouseY / currentZoom;
             var altX = ptX + (ptX - curX);
             var altY = ptY + (ptY - curY);
-
             pointGrip2.setAttribute('cx', altX * currentZoom);
             pointGrip2.setAttribute('cy', altY * currentZoom);
             pointGrip2.setAttribute('display', 'inline');
-
             var ctrlLine = getCtrlLine(1);
             assignAttributes(ctrlLine, {
               x1: mouseX,
@@ -6483,12 +7146,15 @@ var pathActions = function () {
                 lastX = firstCtrl[0] / currentZoom;
                 lastY = firstCtrl[1] / currentZoom;
               }
+
               replacePathSeg(6, index, [ptX, ptY, lastX, lastY, altX, altY], drawnPath);
             }
           } else {
             var stretchy = getElem('path_stretch_line');
+
             if (stretchy) {
               var prev = seglist.getItem(index);
+
               if (prev.pathSegType === 6) {
                 var prevX = prev.x + (prev.x - prev.x2);
                 var prevY = prev.y + (prev.y - prev.y2);
@@ -6500,9 +7166,11 @@ var pathActions = function () {
               }
             }
           }
+
           return;
-        }
-        // if we are dragging a point, let's move it
+        } // if we are dragging a point, let's move it
+
+
         if (path.dragging) {
           var pt = getPointFromGrip({
             x: path.dragging[0],
@@ -6525,14 +7193,14 @@ var pathActions = function () {
           path.selected_pts = [];
           path.eachSeg(function (i) {
             var seg = this;
+
             if (!seg.next && !seg.prev) {
               return;
-            }
+            } // const {item} = seg;
+
 
-            // const {item} = seg;
             var rubberBox = editorContext_.getRubberBox();
             var rbb = rubberBox.getBBox();
-
             var pt = getGripPt(seg);
             var ptBb = {
               x: pt.x,
@@ -6540,11 +7208,9 @@ var pathActions = function () {
               width: 0,
               height: 0
             };
-
             var sel = rectsIntersect(rbb, ptBb);
+            this.select(sel); // Note that addPtsToSelection is not being run
 
-            this.select(sel);
-            // Note that addPtsToSelection is not being run
             if (sel) {
               path.selected_pts.push(seg.index);
             }
@@ -6560,10 +7226,11 @@ var pathActions = function () {
       * @returns {undefined}
       */
       mouseUp: function mouseUp(evt, element, mouseX, mouseY) {
-        var drawnPath = editorContext_.getDrawnPath();
-        // Create mode
+        var drawnPath = editorContext_.getDrawnPath(); // Create mode
+
         if (editorContext_.getCurrentMode() === 'path') {
           newPoint = null;
+
           if (!drawnPath) {
             element = getElem(editorContext_.getId());
             editorContext_.setStarted(false);
@@ -6574,13 +7241,13 @@ var pathActions = function () {
             keep: true,
             element: element
           };
-        }
+        } // Edit mode
+
 
-        // Edit mode
         var rubberBox = editorContext_.getRubberBox();
+
         if (path.dragging) {
           var lastPt = path.cur_pt;
-
           path.dragging = false;
           path.dragctrl = false;
           path.update();
@@ -6598,12 +7265,12 @@ var pathActions = function () {
 
           if (rubberBox.getAttribute('width') <= 2 && rubberBox.getAttribute('height') <= 2) {
             pathActions.toSelectMode(evt.target);
-          }
+          } // else, move back to select mode
 
-          // else, move back to select mode
         } else {
           pathActions.toSelectMode(evt.target);
         }
+
         hasMoved = false;
       },
 
@@ -6666,8 +7333,7 @@ var pathActions = function () {
       select: function select(target) {
         if (currentPath === target) {
           pathActions.toEditMode(target);
-          editorContext_.setCurrentMode('pathedit');
-          // going into pathedit mode
+          editorContext_.setCurrentMode('pathedit'); // going into pathedit mode
         } else {
           currentPath = target;
         }
@@ -6679,10 +7345,13 @@ var pathActions = function () {
       */
       reorient: function reorient() {
         var elem = editorContext_.getSelectedElements()[0];
+
         if (!elem) {
           return;
         }
+
         var angle = getRotationAngle(elem);
+
         if (angle === 0) {
           return;
         }
@@ -6695,19 +7364,14 @@ var pathActions = function () {
         batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));
         editorContext_.clearSelection();
         this.resetOrientation(elem);
+        editorContext_.addCommandToHistory(batchCmd); // Set matrix to null
 
-        editorContext_.addCommandToHistory(batchCmd);
-
-        // Set matrix to null
         getPath_(elem).show(false).matrix = null;
-
         this.clear();
-
         editorContext_.addToSelection([elem], true);
         editorContext_.call('changed', editorContext_.getSelectedElements());
       },
 
-
       /**
       * @param {boolean} remove Not in use
       * @returns {undefined}
@@ -6715,6 +7379,7 @@ var pathActions = function () {
       clear: function clear(remove) {
         var drawnPath = editorContext_.getDrawnPath();
         currentPath = null;
+
         if (drawnPath) {
           var elem = getElem(editorContext_.getId());
           $$1(getElem('path_stretch_line')).remove();
@@ -6726,6 +7391,7 @@ var pathActions = function () {
         } else if (editorContext_.getCurrentMode() === 'pathedit') {
           this.toSelectMode();
         }
+
         if (path) {
           path.init().show(false);
         }
@@ -6739,19 +7405,17 @@ var pathActions = function () {
         if (pth == null || pth.nodeName !== 'path') {
           return false;
         }
+
         var tlist = getTransformList(pth);
         var m = transformListToTransform(tlist).matrix;
         tlist.clear();
         pth.removeAttribute('transform');
-        var segList = pth.pathSegList;
-
-        // Opera/win/non-EN throws an error here.
+        var segList = pth.pathSegList; // Opera/win/non-EN throws an error here.
         // TODO: Find out why!
         // Presumed fixed in Opera 10.5, so commented out for now
-
         // try {
-        var len = segList.numberOfItems;
-        // } catch(err) {
+
+        var len = segList.numberOfItems; // } catch(err) {
         //   const fixed_d = pathActions.convertPath(pth);
         //   pth.setAttribute('d', fixed_d);
         //   segList = pth.pathSegList;
@@ -6762,13 +7426,16 @@ var pathActions = function () {
         var _loop = function _loop(i) {
           var seg = segList.getItem(i);
           var type = seg.pathSegType;
+
           if (type === 1) {
-            return 'continue';
+            return "continue";
           }
+
           var pts = [];
           $$1.each(['', 1, 2], function (j, n) {
             var x = seg['x' + n],
                 y = seg['y' + n];
+
             if (x !== undefined && y !== undefined) {
               var pt = transformPoint(x, y, m);
               pts.splice(pts.length, 0, pt.x, pt.y);
@@ -6780,7 +7447,7 @@ var pathActions = function () {
         for (var i = 0; i < len; ++i) {
           var _ret = _loop(i);
 
-          if (_ret === 'continue') continue;
+          if (_ret === "continue") continue;
         }
 
         reorientGrads(pth, m);
@@ -6801,12 +7468,12 @@ var pathActions = function () {
       * @property {Float} y
       * @property {Integer} type
       */
+
       /**
       * @returns {module:path.NodePoint}
       */
       getNodePoint: function getNodePoint() {
         var selPt = path.selected_pts.length ? path.selected_pts[0] : 1;
-
         var seg = path.segs[selPt];
         return {
           x: seg.item.x,
@@ -6828,9 +7495,7 @@ var pathActions = function () {
       */
       clonePathNode: function clonePathNode() {
         path.storeD();
-
-        var selPts = path.selected_pts;
-        // const {segs} = path;
+        var selPts = path.selected_pts; // const {segs} = path;
 
         var i = selPts.length;
         var nums = [];
@@ -6838,12 +7503,11 @@ var pathActions = function () {
         while (i--) {
           var pt = selPts[i];
           path.addSeg(pt);
-
           nums.push(pt + i);
           nums.push(pt + i + 1);
         }
-        path.init().addPtsToSelection(nums);
 
+        path.init().addPtsToSelection(nums);
         path.endChanges('Clone path node(s)');
       },
 
@@ -6851,37 +7515,35 @@ var pathActions = function () {
       * @returns {undefined}
       */
       opencloseSubPath: function opencloseSubPath() {
-        var selPts = path.selected_pts;
-        // Only allow one selected node for now
+        var selPts = path.selected_pts; // Only allow one selected node for now
+
         if (selPts.length !== 1) {
           return;
         }
 
         var _path = path,
             elem = _path.elem;
-
-        var list = elem.pathSegList;
-
-        // const len = list.numberOfItems;
+        var list = elem.pathSegList; // const len = list.numberOfItems;
 
         var index = selPts[0];
-
         var openPt = null;
-        var startItem = null;
+        var startItem = null; // Check if subpath is already open
 
-        // Check if subpath is already open
         path.eachSeg(function (i) {
           if (this.type === 2 && i <= index) {
             startItem = this.item;
           }
+
           if (i <= index) {
             return true;
           }
+
           if (this.type === 2) {
             // Found M first, so open
             openPt = i;
             return false;
           }
+
           if (this.type === 1) {
             // Found Z first, so closed
             openPt = false;
@@ -6896,11 +7558,10 @@ var pathActions = function () {
 
         if (openPt !== false) {
           // Close this path
-
           // Create a line going to the previous "M"
           var newseg = elem.createSVGPathSegLinetoAbs(startItem.x, startItem.y);
-
           var closer = elem.createSVGPathSegClosePath();
+
           if (openPt === path.segs.length - 1) {
             list.appendItem(newseg);
             list.appendItem(closer);
@@ -6911,27 +7572,25 @@ var pathActions = function () {
 
           path.init().selectPt(openPt + 1);
           return;
-        }
-
-        // M 1,1 L 2,2 L 3,3 L 1,1 z // open at 2,2
+        } // M 1,1 L 2,2 L 3,3 L 1,1 z // open at 2,2
         // M 2,2 L 3,3 L 1,1
-
         // M 1,1 L 2,2 L 1,1 z M 4,4 L 5,5 L6,6 L 5,5 z
         // M 1,1 L 2,2 L 1,1 z [M 4,4] L 5,5 L(M)6,6 L 5,5 z
 
+
         var seg = path.segs[index];
 
         if (seg.mate) {
           list.removeItem(index); // Removes last "L"
+
           list.removeItem(index); // Removes the "Z"
+
           path.init().selectPt(index - 1);
           return;
         }
 
-        var lastM = void 0,
-            zSeg = void 0;
+        var lastM, zSeg; // Find this sub-path's closing point and remove
 
-        // Find this sub-path's closing point and remove
         for (var i = 0; i < list.numberOfItems; i++) {
           var item = list.getItem(i);
 
@@ -6940,8 +7599,7 @@ var pathActions = function () {
             lastM = i;
           } else if (i === index) {
             // Remove it
-            list.removeItem(lastM);
-            // index--;
+            list.removeItem(lastM); // index--;
           } else if (item.pathSegType === 1 && index < i) {
             // Remove the closing seg of this subpath
             zSeg = i - 1;
@@ -6956,12 +7614,9 @@ var pathActions = function () {
           insertItemBefore(elem, list.getItem(lastM), zSeg);
         }
 
-        var pt = list.getItem(lastM);
+        var pt = list.getItem(lastM); // Make this point the new "M"
 
-        // Make this point the new "M"
-        replacePathSeg(2, lastM, [pt.x, pt.y]);
-
-        // i = index; // i is local here, so has no effect; what was the intent for this?
+        replacePathSeg(2, lastM, [pt.x, pt.y]); // i = index; // i is local here, so has no effect; what was the intent for this?
 
         path.init().selectPt(0);
       },
@@ -6973,17 +7628,17 @@ var pathActions = function () {
         if (!pathActions.canDeleteNodes) {
           return;
         }
+
         path.storeD();
-
         var selPts = path.selected_pts;
-
         var i = selPts.length;
+
         while (i--) {
           var pt = selPts[i];
           path.deleteSeg(pt);
-        }
+        } // Cleanup
+
 
-        // Cleanup
         var cleanup = function cleanup() {
           var segList = path.elem.pathSegList;
           var len = segList.numberOfItems;
@@ -7000,9 +7655,11 @@ var pathActions = function () {
 
           while (len--) {
             var item = segList.getItem(len);
+
             if (item.pathSegType === 1) {
               var prev = segList.getItem(len - 1);
               var nprev = segList.getItem(len - 2);
+
               if (prev.pathSegType === 2) {
                 remItems(len - 1, 2);
                 cleanup();
@@ -7014,13 +7671,12 @@ var pathActions = function () {
               }
             } else if (item.pathSegType === 2) {
               if (len > 0) {
-                var prevType = segList.getItem(len - 1).pathSegType;
-                // Path has M M
+                var prevType = segList.getItem(len - 1).pathSegType; // Path has M M
+
                 if (prevType === 2) {
                   remItems(len - 1, 1);
                   cleanup();
-                  break;
-                  // Entire path ends with Z M
+                  break; // Entire path ends with Z M
                 } else if (prevType === 1 && segList.numberOfItems - 1 === len) {
                   remItems(len, 1);
                   cleanup();
@@ -7029,12 +7685,12 @@ var pathActions = function () {
               }
             }
           }
+
           return false;
         };
 
-        cleanup();
+        cleanup(); // Completely delete a path with 1 or 0 segments
 
-        // Completely delete a path with 1 or 0 segments
         if (path.elem.pathSegList.numberOfItems <= 1) {
           pathActions.toSelectMode(path.elem);
           editorContext_.canvas.deleteSelectedElements();
@@ -7042,25 +7698,26 @@ var pathActions = function () {
         }
 
         path.init();
-        path.clearSelection();
-
-        // TODO: Find right way to select point now
+        path.clearSelection(); // TODO: Find right way to select point now
         // path.selectPt(selPt);
+
         if (window.opera) {
           // Opera repaints incorrectly
           var cp = $$1(path.elem);
           cp.attr('d', cp.attr('d'));
         }
+
         path.endChanges('Delete path node(s)');
       },
-
       // Can't seem to use `@borrows` here, so using `@see`
+
       /**
       * Smooth polyline into path
       * @function module:path.pathActions.smoothPolylineIntoPath
       * @see module:path~smoothPolylineIntoPath
       */
       smoothPolylineIntoPath: smoothPolylineIntoPath,
+
       /**
       * @returns {undefined}
       */
@@ -7075,17 +7732,19 @@ var pathActions = function () {
       */
       moveNode: function moveNode(attr, newValue) {
         var selPts = path.selected_pts;
+
         if (!selPts.length) {
           return;
         }
 
-        path.storeD();
+        path.storeD(); // Get first selected point
 
-        // Get first selected point
         var seg = path.segs[selPts[0]];
-        var diff = { x: 0, y: 0 };
+        var diff = {
+          x: 0,
+          y: 0
+        };
         diff[attr] = newValue - seg.item[attr];
-
         seg.move(diff.x, diff.y);
         path.endChanges('Move path point');
       },
@@ -7100,31 +7759,35 @@ var pathActions = function () {
         // M0,0 L0,100 L100,100 z
         var segList = elem.pathSegList;
         var len = segList.numberOfItems;
-        var lastM = void 0;
+        var lastM;
+
         for (var i = 0; i < len; ++i) {
           var item = segList.getItem(i);
+
           if (item.pathSegType === 2) {
             lastM = item;
           }
 
           if (item.pathSegType === 1) {
             var prev = segList.getItem(i - 1);
+
             if (prev.x !== lastM.x || prev.y !== lastM.y) {
               // Add an L segment here
               var newseg = elem.createSVGPathSegLinetoAbs(lastM.x, lastM.y);
-              insertItemBefore(elem, newseg, i);
-              // Can this be done better?
+              insertItemBefore(elem, newseg, i); // Can this be done better?
+
               pathActions.fixEnd(elem);
               break;
             }
           }
         }
+
         if (isWebkit()) {
           editorContext_.resetD(elem);
         }
       },
-
       // Can't seem to use `@borrows` here, so using `@see`
+
       /**
       * Convert a path to one with only absolute or relative values
       * @function module:path.pathActions.convertPath
@@ -7133,26 +7796,19 @@ var pathActions = function () {
       convertPath: convertPath
     }
   );
-}();
+}(); // end pathActions
 
-/* globals jQuery */
+var $$2 = jqPluginSVG(jQuery); // String used to encode base64.
 
-// Constants
-var $$2 = jqPluginSVG(jQuery);
+var KEYSTR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; // Much faster than running getBBox() every time
 
-// String used to encode base64.
-var KEYSTR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
-
-// Much faster than running getBBox() every time
 var visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use';
-var visElemsArr = visElems.split(',');
-// const hidElems = 'clipPath,defs,desc,feGaussianBlur,filter,linearGradient,marker,mask,metadata,pattern,radialGradient,stop,switch,symbol,title,textPath';
+var visElemsArr = visElems.split(','); // const hidElems = 'clipPath,defs,desc,feGaussianBlur,filter,linearGradient,marker,mask,metadata,pattern,radialGradient,stop,switch,symbol,title,textPath';
 
 var editorContext_$1 = null;
 var domdoc_ = null;
 var domcontainer_ = null;
 var svgroot_ = null;
-
 /**
 * Object with the following keys/values
 * @typedef {PlainObject} module:utilities.SVGElementJSON
@@ -7169,10 +7825,12 @@ var svgroot_ = null;
  * @interface module:utilities.EditorContext
  * @property {module:path.pathActions} pathActions
  */
+
 /**
  * @function module:utilities.EditorContext#getSVGContent
  * @returns {SVGSVGElement}
  */
+
 /**
  * Create a new SVG element based on the given object keys/values and add it
  * to the current layer.
@@ -7181,26 +7839,32 @@ var svgroot_ = null;
  * @param {module:utilities.SVGElementJSON} data
  * @returns {Element} The new element
 */
+
 /**
  * @function module:utilities.EditorContext#getSelectedElements
  * @returns {Element[]} the array with selected DOM elements
 */
+
 /**
  * @function module:utilities.EditorContext#getDOMDocument
  * @returns {HTMLDocument}
 */
+
 /**
  * @function module:utilities.EditorContext#getDOMContainer
  * @returns {HTMLElement}
 */
+
 /**
  * @function module:utilities.EditorContext#getSVGRoot
  * @returns {SVGSVGElement}
 */
+
 /**
  * @function module:utilities.EditorContext#getBaseUnit
  * @returns {string}
 */
+
 /**
  * @function module:utilities.EditorContext#getSnappingStep
  * @returns {Float|string}
@@ -7211,13 +7875,13 @@ var svgroot_ = null;
 * @param {module:utilities.EditorContext} editorContext
 * @returns {undefined}
 */
+
 var init$2 = function init$$1(editorContext) {
   editorContext_$1 = editorContext;
   domdoc_ = editorContext.getDOMDocument();
   domcontainer_ = editorContext.getDOMContainer();
   svgroot_ = editorContext.getSVGRoot();
 };
-
 /**
  * Used to prevent the [Billion laughs attack]{@link https://en.wikipedia.org/wiki/Billion_laughs_attack}
  * @function module:utilities.dropXMLInteralSubset
@@ -7225,10 +7889,10 @@ var init$2 = function init$$1(editorContext) {
  * @returns {string} The string with entity declarations in the internal subset removed
  * @todo This might be needed in other places `parseFromString` is used even without LGTM flagging
  */
+
 var dropXMLInteralSubset = function dropXMLInteralSubset(str) {
   return str.replace(/(<!DOCTYPE\s+\w*\s*\[).*(\?\]>)/, '$1$2');
 };
-
 /**
 * Converts characters in a string to XML-friendly entities.
 * @function module:utilities.toXml
@@ -7236,16 +7900,14 @@ var dropXMLInteralSubset = function dropXMLInteralSubset(str) {
 * @param {string} str - The string to be converted
 * @returns {string} The converted string
 */
+
 var toXml = function toXml(str) {
   // &apos; is ok in XML, but not HTML
   // &gt; does not normally need escaping, though it can if within a CDATA expression (and preceded by "]]")
   return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(/'/g, '&#x27;'); // Note: `&apos;` is XML only
 };
-
-// This code was written by Tyler Akins and has been placed in the
 // public domain.  It would be nice if you left this header intact.
 // Base64 code from Tyler Akins -- http://rumkin.com
-
 // schiller: Removed string concatenation in favour of Array.join() optimization,
 //        also precalculate the size of the array needed.
 
@@ -7255,26 +7917,27 @@ var toXml = function toXml(str) {
 * @param {string} input
 * @returns {string} Base64 output
 */
+
 var encode64 = function encode64(input) {
   // base64 strings are 4/3 larger than the original string
   input = encodeUTF8(input); // convert non-ASCII characters
   // input = convertToXMLReferences(input);
+
   if (window.btoa) {
     return window.btoa(input); // Use native if available
   }
+
   var output = [];
   output.length = Math.floor((input.length + 2) / 3) * 4;
-
   var i = 0,
       p = 0;
+
   do {
     var chr1 = input.charCodeAt(i++);
     var chr2 = input.charCodeAt(i++);
     var chr3 = input.charCodeAt(i++);
-
     var enc1 = chr1 >> 2;
     var enc2 = (chr1 & 3) << 4 | chr2 >> 4;
-
     var enc3 = (chr2 & 15) << 2 | chr3 >> 6;
     var enc4 = chr3 & 63;
 
@@ -7292,21 +7955,20 @@ var encode64 = function encode64(input) {
 
   return output.join('');
 };
-
 /**
 * Converts a string from base64
 * @function module:utilities.decode64
 * @param {string} input Base64-encoded input
 * @returns {string} Decoded output
 */
+
 var decode64 = function decode64(input) {
   if (window.atob) {
     return decodeUTF8(window.atob(input));
-  }
+  } // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
+
 
-  // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
   input = input.replace(/[^A-Za-z0-9+/=]/g, '');
-
   var output = '';
   var i = 0;
 
@@ -7315,88 +7977,96 @@ var decode64 = function decode64(input) {
     var enc2 = KEYSTR.indexOf(input.charAt(i++));
     var enc3 = KEYSTR.indexOf(input.charAt(i++));
     var enc4 = KEYSTR.indexOf(input.charAt(i++));
-
     var chr1 = enc1 << 2 | enc2 >> 4;
     var chr2 = (enc2 & 15) << 4 | enc3 >> 2;
     var chr3 = (enc3 & 3) << 6 | enc4;
-
     output += String.fromCharCode(chr1);
 
     if (enc3 !== 64) {
       output = output + String.fromCharCode(chr2);
     }
+
     if (enc4 !== 64) {
       output = output + String.fromCharCode(chr3);
     }
   } while (i < input.length);
+
   return decodeUTF8(output);
 };
-
 /**
 * @function module:utilities.decodeUTF8
 * @param {string} argString
 * @returns {string}
 */
+
 var decodeUTF8 = function decodeUTF8(argString) {
   return decodeURIComponent(escape(argString));
-};
+}; // codedread:does not seem to work with webkit-based browsers on OSX // Brettz9: please test again as function upgraded
 
-// codedread:does not seem to work with webkit-based browsers on OSX // Brettz9: please test again as function upgraded
 /**
 * @function module:utilities.encodeUTF8
 * @param {string} argString
 * @returns {string}
 */
+
 var encodeUTF8 = function encodeUTF8(argString) {
   return unescape(encodeURIComponent(argString));
 };
-
 /**
  * convert dataURL to object URL
  * @function module:utilities.dataURLToObjectURL
  * @param {string} dataurl
  * @returns {string} object URL or empty string
  */
+
 var dataURLToObjectURL = function dataURLToObjectURL(dataurl) {
   if (typeof Uint8Array === 'undefined' || typeof Blob === 'undefined' || typeof URL === 'undefined' || !URL.createObjectURL) {
     return '';
   }
+
   var arr = dataurl.split(','),
       mime = arr[0].match(/:(.*?);/)[1],
       bstr = atob(arr[1]);
   var n = bstr.length;
   var u8arr = new Uint8Array(n);
+
   while (n--) {
     u8arr[n] = bstr.charCodeAt(n);
   }
-  var blob = new Blob([u8arr], { type: mime });
+
+  var blob = new Blob([u8arr], {
+    type: mime
+  });
   return URL.createObjectURL(blob);
 };
-
 /**
  * get object URL for a blob object
  * @function module:utilities.createObjectURL
  * @param {Blob} blob A Blob object or File object
  * @returns {string} object URL or empty string
  */
+
 var createObjectURL = function createObjectURL(blob) {
   if (!blob || typeof URL === 'undefined' || !URL.createObjectURL) {
     return '';
   }
+
   return URL.createObjectURL(blob);
 };
-
 /**
  * @property {string} blankPageObjectURL
  */
+
 var blankPageObjectURL = function () {
   if (typeof Blob === 'undefined') {
     return '';
   }
-  var blob = new Blob(['<html><head><title>SVG-edit</title></head><body>&nbsp;</body></html>'], { type: 'text/html' });
+
+  var blob = new Blob(['<html><head><title>SVG-edit</title></head><body>&nbsp;</body></html>'], {
+    type: 'text/html'
+  });
   return createObjectURL(blob);
 }();
-
 /**
 * Cross-browser compatible method of converting a string to an XML tree
 * found this function [here]{@link http://groups.google.com/group/jquery-dev/browse_thread/thread/c6d11387c580a77f}
@@ -7405,19 +8075,21 @@ var blankPageObjectURL = function () {
 * @throws {Error}
 * @returns {XMLDocument}
 */
+
 var text2xml = function text2xml(sXML) {
   if (sXML.includes('<svg:svg')) {
     sXML = sXML.replace(/<(\/?)svg:/g, '<$1').replace('xmlns:svg', 'xmlns');
   }
 
-  var out = void 0,
-      dXML = void 0;
+  var out, dXML;
+
   try {
     dXML = window.DOMParser ? new DOMParser() : new window.ActiveXObject('Microsoft.XMLDOM');
     dXML.async = false;
   } catch (e) {
     throw new Error('XML Parser could not be instantiated');
   }
+
   try {
     if (dXML.loadXML) {
       out = dXML.loadXML(sXML) ? dXML : false;
@@ -7427,9 +8099,9 @@ var text2xml = function text2xml(sXML) {
   } catch (e2) {
     throw new Error('Error parsing XML string');
   }
+
   return out;
 };
-
 /**
 * @typedef {PlainObject} module:utilities.BBoxObject (like `DOMRect`)
 * @property {Float} x
@@ -7444,15 +8116,19 @@ var text2xml = function text2xml(sXML) {
 * @param {SVGRect} bbox - a SVGRect
 * @returns {module:utilities.BBoxObject} An object with properties names x, y, width, height.
 */
+
 var bboxToObj = function bboxToObj(_ref) {
   var x = _ref.x,
       y = _ref.y,
       width = _ref.width,
       height = _ref.height;
-
-  return { x: x, y: y, width: width, height: height };
+  return {
+    x: x,
+    y: y,
+    width: width,
+    height: height
+  };
 };
-
 /**
 * @callback module:utilities.TreeWalker
 * @param {Element} elem - DOM element being traversed
@@ -7466,16 +8142,17 @@ var bboxToObj = function bboxToObj(_ref) {
 * @param {module:utilities.TreeWalker} cbFn - Callback function to run on each element
 * @returns {undefined}
 */
+
 var walkTree = function walkTree(elem, cbFn) {
   if (elem && elem.nodeType === 1) {
     cbFn(elem);
     var i = elem.childNodes.length;
+
     while (i--) {
       walkTree(elem.childNodes.item(i), cbFn);
     }
   }
 };
-
 /**
 * Walks the tree and executes the callback on each element in a depth-first fashion
 * @function module:utilities.walkTreePost
@@ -7484,16 +8161,18 @@ var walkTree = function walkTree(elem, cbFn) {
 * @param {module:utilities.TreeWalker} cbFn - Callback function to run on each element
 * @returns {undefined}
 */
+
 var walkTreePost = function walkTreePost(elem, cbFn) {
   if (elem && elem.nodeType === 1) {
     var i = elem.childNodes.length;
+
     while (i--) {
       walkTree(elem.childNodes.item(i), cbFn);
     }
+
     cbFn(elem);
   }
 };
-
 /**
 * Extracts the URL from the `url(...)` syntax of some attributes.
 * Three variants:
@@ -7504,32 +8183,35 @@ var walkTreePost = function walkTreePost(elem, cbFn) {
 * @param {string} attrVal The attribute value as a string
 * @returns {string} String with just the URL, like "someFile.svg#foo"
 */
+
 var getUrlFromAttr = function getUrlFromAttr(attrVal) {
   if (attrVal) {
     // url('#somegrad')
     if (attrVal.startsWith('url("')) {
       return attrVal.substring(5, attrVal.indexOf('"', 6));
-    }
-    // url('#somegrad')
+    } // url('#somegrad')
+
+
     if (attrVal.startsWith("url('")) {
       return attrVal.substring(5, attrVal.indexOf("'", 6));
     }
+
     if (attrVal.startsWith('url(')) {
       return attrVal.substring(4, attrVal.indexOf(')'));
     }
   }
+
   return null;
 };
-
 /**
 * @function module:utilities.getHref
 * @param {Element} elem
 * @returns {string} The given element's `xlink:href` value
 */
+
 var getHref = function getHref(elem) {
   return elem.getAttributeNS(NS.XLINK, 'href');
 };
-
 /**
 * Sets the given element's `xlink:href` value
 * @function module:utilities.setHref
@@ -7537,33 +8219,34 @@ var getHref = function getHref(elem) {
 * @param {string} val
 * @returns {undefined}
 */
+
 var setHref = function setHref(elem, val) {
   elem.setAttributeNS(NS.XLINK, 'xlink:href', val);
 };
-
 /**
 * @function module:utilities.findDefs
 * @returns {SVGDefsElement} The document's `<defs>` element, creating it first if necessary
 */
+
 var findDefs = function findDefs() {
   var svgElement = editorContext_$1.getSVGContent();
   var defs = svgElement.getElementsByTagNameNS(NS.SVG, 'defs');
+
   if (defs.length > 0) {
     defs = defs[0];
   } else {
     defs = svgElement.ownerDocument.createElementNS(NS.SVG, 'defs');
+
     if (svgElement.firstChild) {
       // first child is a comment, so call nextSibling
-      svgElement.insertBefore(defs, svgElement.firstChild.nextSibling);
-      // svgElement.firstChild.nextSibling.before(defs); // Not safe
+      svgElement.insertBefore(defs, svgElement.firstChild.nextSibling); // svgElement.firstChild.nextSibling.before(defs); // Not safe
     } else {
       svgElement.append(defs);
     }
   }
-  return defs;
-};
 
-// TODO(codedread): Consider moving the next to functions to bbox.js
+  return defs;
+}; // TODO(codedread): Consider moving the next to functions to bbox.js
 
 /**
 * Get correct BBox for a path in Webkit.
@@ -7572,10 +8255,10 @@ var findDefs = function findDefs() {
 * @param {SVGPathElement} path - The path DOM element to get the BBox for
 * @returns {module:utilities.BBoxObject} A BBox-like object
 */
+
 var getPathBBox = function getPathBBox(path$$1) {
   var seglist = path$$1.pathSegList;
   var tot = seglist.numberOfItems;
-
   var bounds = [[], []];
   var start = seglist.getItem(0);
   var P0 = [start.x, start.y];
@@ -7585,9 +8268,9 @@ var getPathBBox = function getPathBBox(path$$1) {
 
     if (seg.x === undefined) {
       continue;
-    }
+    } // Add actual points to limits
+
 
-    // Add actual points to limits
     bounds[0].push(P0[0]);
     bounds[1].push(P0[1]);
 
@@ -7608,33 +8291,43 @@ var getPathBBox = function getPathBBox(path$$1) {
 
           if (a === 0) {
             if (b === 0) {
-              return 'continue';
+              return "continue";
             }
+
             var t = -c / b;
+
             if (t > 0 && t < 1) {
               bounds[j].push(calc(t));
             }
-            return 'continue';
+
+            return "continue";
           }
+
           var b2ac = Math.pow(b, 2) - 4 * c * a;
+
           if (b2ac < 0) {
-            return 'continue';
+            return "continue";
           }
+
           var t1 = (-b + Math.sqrt(b2ac)) / (2 * a);
+
           if (t1 > 0 && t1 < 1) {
             bounds[j].push(calc(t1));
           }
+
           var t2 = (-b - Math.sqrt(b2ac)) / (2 * a);
+
           if (t2 > 0 && t2 < 1) {
             bounds[j].push(calc(t2));
           }
         };
 
         for (var j = 0; j < 2; j++) {
-          var _ret2 = _loop(j);
+          var _ret = _loop(j);
 
-          if (_ret2 === 'continue') continue;
+          if (_ret === "continue") continue;
         }
+
         P0 = P3;
       })();
     } else {
@@ -7654,7 +8347,6 @@ var getPathBBox = function getPathBBox(path$$1) {
     height: h
   };
 };
-
 /**
 * Get the given/selected element's bounding box object, checking for
 * horizontal/vertical lines (see issue 717)
@@ -7663,16 +8355,17 @@ var getPathBBox = function getPathBBox(path$$1) {
 * @param {Element} selected - Container or `<use>` DOM element
 * @returns {DOMRect} Bounding box object
 */
+
 function groupBBFix(selected) {
   if (supportsHVLineContainerBBox()) {
     try {
       return selected.getBBox();
     } catch (e) {}
   }
+
   var ref = $$2.data(selected, 'ref');
   var matched = null;
-  var ret = void 0,
-      copy = void 0;
+  var ret, copy;
 
   if (ref) {
     copy = $$2(ref).children().clone().attr('visibility', 'hidden');
@@ -7683,13 +8376,16 @@ function groupBBFix(selected) {
   }
 
   var issue = false;
+
   if (matched.length) {
     matched.each(function () {
       var bb = this.getBBox();
+
       if (!bb.width || !bb.height) {
         issue = true;
       }
     });
+
     if (issue) {
       var elems = ref ? copy : $$2(selected).children();
       ret = getStrokedBBox(elems);
@@ -7699,12 +8395,13 @@ function groupBBFix(selected) {
   } else {
     ret = selected.getBBox();
   }
+
   if (ref) {
     copy.remove();
   }
+
   return ret;
 }
-
 /**
 * Get the given/selected element's bounding box object, convert it to be more
 * usable when necessary
@@ -7712,18 +8409,23 @@ function groupBBFix(selected) {
 * @param {Element} elem - Optional DOM element to get the BBox for
 * @returns {module:utilities.BBoxObject} Bounding box object
 */
+
+
 var getBBox = function getBBox(elem) {
   var selected = elem || editorContext_$1.geSelectedElements()[0];
+
   if (elem.nodeType !== 1) {
     return null;
   }
-  var elname = selected.nodeName;
 
+  var elname = selected.nodeName;
   var ret = null;
+
   switch (elname) {
     case 'text':
       if (selected.textContent === '') {
         selected.textContent = 'a'; // Some character needed for the selector to use.
+
         ret = selected.getBBox();
         selected.textContent = '';
       } else {
@@ -7731,7 +8433,9 @@ var getBBox = function getBBox(elem) {
           ret = selected.getBBox();
         }
       }
+
       break;
+
     case 'path':
       if (!supportsPathBBox()) {
         ret = getPathBBox(selected);
@@ -7740,23 +8444,27 @@ var getBBox = function getBBox(elem) {
           ret = selected.getBBox();
         }
       }
+
       break;
+
     case 'g':
     case 'a':
       ret = groupBBFix(selected);
       break;
-    default:
 
+    default:
       if (elname === 'use') {
         ret = groupBBFix(selected); // , true);
       }
+
       if (elname === 'use' || elname === 'foreignObject' && isWebkit()) {
         if (!ret) {
           ret = selected.getBBox();
-        }
-        // This is resolved in later versions of webkit, perhaps we should
+        } // This is resolved in later versions of webkit, perhaps we should
         // have a featured detection for correct 'use' behavior?
         // ——————————
+
+
         if (!isWebkit()) {
           var bb = {};
           bb.width = ret.width;
@@ -7773,7 +8481,9 @@ var getBBox = function getBBox(elem) {
             // tspan (and textPath apparently) have no `getBBox` in Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=937268
             // Re: Chrome returning bbox for containing text element, see: https://bugs.chromium.org/p/chromium/issues/detail?id=349835
             var extent = selected.getExtentOfChar(0); // pos+dimensions of the first glyph
+
             var width = selected.getComputedTextLength(); // width of the tspan
+
             ret = {
               x: extent.x,
               y: extent.y,
@@ -7784,6 +8494,7 @@ var getBBox = function getBBox(elem) {
         } else {
           // Check if element is child of a foreignObject
           var fo = $$2(selected).closest('foreignObject');
+
           if (fo.length) {
             if (fo[0].getBBox) {
               ret = fo[0].getBBox();
@@ -7791,15 +8502,16 @@ var getBBox = function getBBox(elem) {
           }
         }
       }
+
   }
+
   if (ret) {
     ret = bboxToObj(ret);
-  }
+  } // get the bounding box from the DOM (which is in that element's coordinate system)
+
 
-  // get the bounding box from the DOM (which is in that element's coordinate system)
   return ret;
 };
-
 /**
 * @typedef {GenericArray} module:utilities.PathSegmentArray
 * @property {Integer} length 2
@@ -7814,36 +8526,34 @@ var getBBox = function getBBox(elem) {
 * @param {module:utilities.PathSegmentArray[]} pathSegments - An array of path segments to be converted
 * @returns {string} The converted path d attribute.
 */
+
 var getPathDFromSegments = function getPathDFromSegments(pathSegments) {
   var d = '';
-
   $$2.each(pathSegments, function (j, _ref2) {
-    var _ref3 = slicedToArray(_ref2, 2),
+    var _ref3 = _slicedToArray(_ref2, 2),
         singleChar = _ref3[0],
         pts = _ref3[1];
 
     d += singleChar;
+
     for (var i = 0; i < pts.length; i += 2) {
       d += pts[i] + ',' + pts[i + 1] + ' ';
     }
   });
-
   return d;
 };
-
 /**
 * Make a path 'd' attribute from a simple SVG element shape.
 * @function module:utilities.getPathDFromElement
 * @param {Element} elem - The element to be converted
 * @returns {string} The path d attribute or `undefined` if the element type is unknown.
 */
+
 var getPathDFromElement = function getPathDFromElement(elem) {
   // Possibly the cubed root of 6, but 1.81 works best
   var num = 1.81;
-  var d = void 0,
-      a = void 0,
-      rx = void 0,
-      ry = void 0;
+  var d, a, rx, ry;
+
   switch (elem.tagName) {
     case 'ellipse':
     case 'circle':
@@ -7861,30 +8571,33 @@ var getPathDFromElement = function getPathDFromElement(elem) {
 
       d = getPathDFromSegments([['M', [cx - rx, cy]], ['C', [cx - rx, cy - ry / num, cx - rx / num, cy - ry, cx, cy - ry]], ['C', [cx + rx / num, cy - ry, cx + rx, cy - ry / num, cx + rx, cy]], ['C', [cx + rx, cy + ry / num, cx + rx / num, cy + ry, cx, cy + ry]], ['C', [cx - rx / num, cy + ry, cx - rx, cy + ry / num, cx - rx, cy]], ['Z', []]]);
       break;
+
     case 'path':
       d = elem.getAttribute('d');
       break;
+
     case 'line':
       a = $$2(elem).attr(['x1', 'y1', 'x2', 'y2']);
       d = 'M' + a.x1 + ',' + a.y1 + 'L' + a.x2 + ',' + a.y2;
       break;
+
     case 'polyline':
       d = 'M' + elem.getAttribute('points');
       break;
+
     case 'polygon':
       d = 'M' + elem.getAttribute('points') + ' Z';
       break;
+
     case 'rect':
       var r = $$2(elem).attr(['rx', 'ry']);
       rx = r.rx;
       ry = r.ry;
-
-      var _b = elem.getBBox();
-      var x = _b.x,
-          y = _b.y,
-          w = _b.width,
-          h = _b.height;
-
+      var b = elem.getBBox();
+      var x = b.x,
+          y = b.y,
+          w = b.width,
+          h = b.height;
       num = 4 - num; // Why? Because!
 
       if (!rx && !ry) {
@@ -7893,33 +8606,35 @@ var getPathDFromElement = function getPathDFromElement(elem) {
       } else {
         d = getPathDFromSegments([['M', [x, y + ry]], ['C', [x, y + ry / num, x + rx / num, y, x + rx, y]], ['L', [x + w - rx, y]], ['C', [x + w - rx / num, y, x + w, y + ry / num, x + w, y + ry]], ['L', [x + w, y + h - ry]], ['C', [x + w, y + h - ry / num, x + w - rx / num, y + h, x + w - rx, y + h]], ['L', [x + rx, y + h]], ['C', [x + rx / num, y + h, x, y + h - ry / num, x, y + h - ry]], ['L', [x, y + ry]], ['Z', []]]);
       }
+
       break;
+
     default:
       break;
   }
 
   return d;
 };
-
 /**
 * Get a set of attributes from an element that is useful for convertToPath.
 * @function module:utilities.getExtraAttributesForConvertToPath
 * @param {Element} elem - The element to be probed
 * @returns {PlainObject.<"marker-start"|"marker-end"|"marker-mid"|"filter"|"clip-path", string>} An object with attributes.
 */
+
 var getExtraAttributesForConvertToPath = function getExtraAttributesForConvertToPath(elem) {
-  var attrs = {};
-  // TODO: make this list global so that we can properly maintain it
+  var attrs = {}; // TODO: make this list global so that we can properly maintain it
   // TODO: what about @transform, @clip-rule, @fill-rule, etc?
+
   $$2.each(['marker-start', 'marker-end', 'marker-mid', 'filter', 'clip-path'], function () {
     var a = elem.getAttribute(this);
+
     if (a) {
       attrs[this] = a;
     }
   });
   return attrs;
 };
-
 /**
 * Get the BBox of an element-as-path
 * @function module:utilities.getBBoxOfElementAsPath
@@ -7928,18 +8643,20 @@ var getExtraAttributesForConvertToPath = function getExtraAttributesForConvertTo
 * @param {module:path.pathActions} pathActions - If a transform exists, `pathActions.resetOrientation()` is used. See: canvas.pathActions.
 * @returns {DOMRect|false} The resulting path's bounding box object.
 */
+
 var getBBoxOfElementAsPath = function getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions$$1) {
   var path$$1 = addSVGElementFromJson({
     element: 'path',
     attr: getExtraAttributesForConvertToPath(elem)
   });
-
   var eltrans = elem.getAttribute('transform');
+
   if (eltrans) {
     path$$1.setAttribute('transform', eltrans);
   }
 
   var parent = elem.parentNode;
+
   if (elem.nextSibling) {
     elem.before(path$$1);
   } else {
@@ -7947,24 +8664,25 @@ var getBBoxOfElementAsPath = function getBBoxOfElementAsPath(elem, addSVGElement
   }
 
   var d = getPathDFromElement(elem);
+
   if (d) {
     path$$1.setAttribute('d', d);
   } else {
     path$$1.remove();
-  }
+  } // Get the correct BBox of the new path, then discard it
+
 
-  // Get the correct BBox of the new path, then discard it
   pathActions$$1.resetOrientation(path$$1);
   var bb = false;
+
   try {
     bb = path$$1.getBBox();
-  } catch (e) {
-    // Firefox fails
+  } catch (e) {// Firefox fails
   }
+
   path$$1.remove();
   return bb;
 };
-
 /**
 * Convert selected element to a path.
 * @function module:utilities.convertToPath
@@ -7978,25 +8696,24 @@ var getBBoxOfElementAsPath = function getBBoxOfElementAsPath(elem, addSVGElement
 * @param {module:path.EditorContext#addCommandToHistory|module:draw.DrawCanvasInit#addCommandToHistory} addCommandToHistory - see [canvas.addCommandToHistory]{@link module:svgcanvas~addCommandToHistory}
 * @returns {SVGPathElement|null} The converted path element or null if the DOM element was not recognized.
 */
+
 var convertToPath = function convertToPath(elem, attrs, addSVGElementFromJson, pathActions$$1, clearSelection, addToSelection, history, addCommandToHistory) {
-  var batchCmd = new history.BatchCommand('Convert element to Path');
+  var batchCmd = new history.BatchCommand('Convert element to Path'); // Any attribute on the element not covered by the passed-in attributes
 
-  // Any attribute on the element not covered by the passed-in attributes
   attrs = $$2.extend({}, attrs, getExtraAttributesForConvertToPath(elem));
-
   var path$$1 = addSVGElementFromJson({
     element: 'path',
     attr: attrs
   });
-
   var eltrans = elem.getAttribute('transform');
+
   if (eltrans) {
     path$$1.setAttribute('transform', eltrans);
   }
 
   var id = elem.id;
-
   var parent = elem.parentNode;
+
   if (elem.nextSibling) {
     elem.before(path$$1);
   } else {
@@ -8004,39 +8721,35 @@ var convertToPath = function convertToPath(elem, attrs, addSVGElementFromJson, p
   }
 
   var d = getPathDFromElement(elem);
+
   if (d) {
-    path$$1.setAttribute('d', d);
-
-    // Replace the current element with the converted one
-
+    path$$1.setAttribute('d', d); // Replace the current element with the converted one
     // Reorient if it has a matrix
+
     if (eltrans) {
       var tlist = getTransformList(path$$1);
+
       if (hasMatrixTransform(tlist)) {
         pathActions$$1.resetOrientation(path$$1);
       }
     }
 
     var nextSibling = elem.nextSibling;
-
     batchCmd.addSubCommand(new history.RemoveElementCommand(elem, nextSibling, parent));
     batchCmd.addSubCommand(new history.InsertElementCommand(path$$1));
-
     clearSelection();
     elem.remove();
     path$$1.setAttribute('id', id);
     path$$1.removeAttribute('visibility');
     addToSelection([path$$1], true);
-
     addCommandToHistory(batchCmd);
-
     return path$$1;
-  }
-  // the elem.tagName was not recognized, so no "d" attribute. Remove it, so we've haven't changed anything.
+  } // the elem.tagName was not recognized, so no "d" attribute. Remove it, so we've haven't changed anything.
+
+
   path$$1.remove();
   return null;
 };
-
 /**
 * Can the bbox be optimized over the native getBBox? The optimized bbox is the same as the native getBBox when
 * the rotation angle is a multiple of 90 degrees and there are no complex transforms.
@@ -8057,13 +8770,13 @@ var convertToPath = function convertToPath(elem, attrs, addSVGElementFromJson, p
 * @param {boolean} hasMatrixTransform - True if there is a matrix transform
 * @returns {boolean} True if the bbox can be optimized.
 */
+
 function bBoxCanBeOptimizedOverNativeGetBBox(angle, hasMatrixTransform$$1) {
   var angleModulo90 = angle % 90;
   var closeTo90 = angleModulo90 < -89.99 || angleModulo90 > 89.99;
   var closeTo0 = angleModulo90 > -0.001 && angleModulo90 < 0.001;
   return hasMatrixTransform$$1 || !(closeTo0 || closeTo90);
 }
-
 /**
 * Get bounding box that includes any transforms.
 * @function module:utilities.getBBoxWithTransform
@@ -8072,11 +8785,12 @@ function bBoxCanBeOptimizedOverNativeGetBBox(angle, hasMatrixTransform$$1) {
 * @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.
 * @returns {module:utilities.BBoxObject|module:math.TransformedBox|DOMRect} A single bounding box object
 */
+
+
 var getBBoxWithTransform = function getBBoxWithTransform(elem, addSVGElementFromJson, pathActions$$1) {
   // TODO: Fix issue with rotated groups. Currently they work
   // fine in FF, but not in other browsers (same problem mentioned
   // in Issue 339 comment #2).
-
   var bb = getBBox(elem);
 
   if (!bb) {
@@ -8089,16 +8803,19 @@ var getBBoxWithTransform = function getBBoxWithTransform(elem, addSVGElementFrom
 
   if (angle || hasMatrixXForm) {
     var goodBb = false;
+
     if (bBoxCanBeOptimizedOverNativeGetBBox(angle, hasMatrixXForm)) {
       // Get the BBox from the raw path for these elements
       // TODO: why ellipse and not circle
       var elemNames = ['ellipse', 'path', 'line', 'polyline', 'polygon'];
+
       if (elemNames.includes(elem.tagName)) {
         bb = goodBb = getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions$$1);
       } else if (elem.tagName === 'rect') {
         // Look for radius
         var rx = elem.getAttribute('rx');
         var ry = elem.getAttribute('ry');
+
         if (rx || ry) {
           bb = goodBb = getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions$$1);
         }
@@ -8109,9 +8826,7 @@ var getBBoxWithTransform = function getBBoxWithTransform(elem, addSVGElementFrom
       var _transformListToTrans = transformListToTransform(tlist),
           matrix = _transformListToTrans.matrix;
 
-      bb = transformBox(bb.x, bb.y, bb.width, bb.height, matrix).aabox;
-
-      // Old technique that was exceedingly slow with large documents.
+      bb = transformBox(bb.x, bb.y, bb.width, bb.height, matrix).aabox; // Old technique that was exceedingly slow with large documents.
       //
       // Accurate way to get BBox of rotated element in Firefox:
       // Put element in group and get its BBox
@@ -8126,15 +8841,14 @@ var getBBoxWithTransform = function getBBoxWithTransform(elem, addSVGElementFrom
       // g.remove();
     }
   }
-  return bb;
-};
 
-// TODO: This is problematic with large stroke-width and, for example, a single horizontal line. The calculated BBox extends way beyond left and right sides.
+  return bb;
+}; // TODO: This is problematic with large stroke-width and, for example, a single horizontal line. The calculated BBox extends way beyond left and right sides.
+
 function getStrokeOffsetForBBox(elem) {
   var sw = elem.getAttribute('stroke-width');
   return !isNaN(sw) && elem.getAttribute('stroke') !== 'none' ? sw / 2 : 0;
 }
-
 /**
  * @typedef {PlainObject} BBox
  * @property {Integer} x The x value
@@ -8151,36 +8865,37 @@ function getStrokeOffsetForBBox(elem) {
 * @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.
 * @returns {module:utilities.BBoxObject|module:math.TransformedBox|DOMRect} A single bounding box object
 */
+
+
 var getStrokedBBox = function getStrokedBBox(elems, addSVGElementFromJson, pathActions$$1) {
   if (!elems || !elems.length) {
     return false;
   }
 
-  var fullBb = void 0;
+  var fullBb;
   $$2.each(elems, function () {
     if (fullBb) {
       return;
     }
+
     if (!this.parentNode) {
       return;
     }
-    fullBb = getBBoxWithTransform(this, addSVGElementFromJson, pathActions$$1);
-  });
 
-  // This shouldn't ever happen...
+    fullBb = getBBoxWithTransform(this, addSVGElementFromJson, pathActions$$1);
+  }); // This shouldn't ever happen...
+
   if (fullBb === undefined) {
     return null;
-  }
-
-  // fullBb doesn't include the stoke, so this does no good!
+  } // fullBb doesn't include the stoke, so this does no good!
   // if (elems.length == 1) return fullBb;
 
+
   var maxX = fullBb.x + fullBb.width;
   var maxY = fullBb.y + fullBb.height;
   var minX = fullBb.x;
-  var minY = fullBb.y;
+  var minY = fullBb.y; // If only one elem, don't call the potentially slow getBBoxWithTransform method again.
 
-  // If only one elem, don't call the potentially slow getBBoxWithTransform method again.
   if (elems.length === 1) {
     var offset = getStrokeOffsetForBBox(elems[0]);
     minX -= offset;
@@ -8190,11 +8905,13 @@ var getStrokedBBox = function getStrokedBBox(elems, addSVGElementFromJson, pathA
   } else {
     $$2.each(elems, function (i, elem) {
       var curBb = getBBoxWithTransform(elem, addSVGElementFromJson, pathActions$$1);
+
       if (curBb) {
         var _offset = getStrokeOffsetForBBox(elem);
+
         minX = Math.min(minX, curBb.x - _offset);
-        minY = Math.min(minY, curBb.y - _offset);
-        // TODO: The old code had this test for max, but not min. I suspect this test should be for both min and max
+        minY = Math.min(minY, curBb.y - _offset); // TODO: The old code had this test for max, but not min. I suspect this test should be for both min and max
+
         if (elem.nodeType === 1) {
           maxX = Math.max(maxX, curBb.x + curBb.width + _offset);
           maxY = Math.max(maxY, curBb.y + curBb.height + _offset);
@@ -8209,7 +8926,6 @@ var getStrokedBBox = function getStrokedBBox(elems, addSVGElementFromJson, pathA
   fullBb.height = maxY - minY;
   return fullBb;
 };
-
 /**
 * Get all elements that have a BBox (excludes `<defs>`, `<title>`, etc).
 * Note that 0-opacity, off-screen etc elements are still considered "visible"
@@ -8218,6 +8934,7 @@ var getStrokedBBox = function getStrokedBBox(elems, addSVGElementFromJson, pathA
 * @param {Element} parent - The parent DOM element to search within
 * @returns {Element[]} All "visible" elements.
 */
+
 var getVisibleElements = function getVisibleElements(parent) {
   if (!parent) {
     parent = $$2(editorContext_$1.getSVGContent()).children(); // Prevent layers from being included
@@ -8231,20 +8948,20 @@ var getVisibleElements = function getVisibleElements(parent) {
   });
   return contentElems.reverse();
 };
-
 /**
 * Get the bounding box for one or more stroked and/or transformed elements
 * @function module:utilities.getStrokedBBoxDefaultVisible
 * @param {Element[]} elems - Array with DOM elements to check
 * @returns {module:utilities.BBoxObject} A single bounding box object
 */
+
 var getStrokedBBoxDefaultVisible = function getStrokedBBoxDefaultVisible(elems) {
   if (!elems) {
     elems = getVisibleElements();
   }
+
   return getStrokedBBox(elems, editorContext_$1.addSVGElementFromJson, editorContext_$1.pathActions);
 };
-
 /**
 * Get the rotation angle of the given transform list.
 * @function module:utilities.getRotationAngleFromTransformList
@@ -8252,20 +8969,25 @@ var getStrokedBBoxDefaultVisible = function getStrokedBBoxDefaultVisible(elems)
 * @param {boolean} toRad - When true returns the value in radians rather than degrees
 * @returns {Float} The angle in degrees or radians
 */
+
 var getRotationAngleFromTransformList = function getRotationAngleFromTransformList(tlist, toRad) {
   if (!tlist) {
     return 0;
   } // <svg> elements have no tlist
+
+
   var N = tlist.numberOfItems;
+
   for (var i = 0; i < N; ++i) {
     var xform = tlist.getItem(i);
+
     if (xform.type === 4) {
       return toRad ? xform.angle * Math.PI / 180.0 : xform.angle;
     }
   }
+
   return 0.0;
 };
-
 /**
 * Get the rotation angle of the given/selected DOM element
 * @function module:utilities.getRotationAngle
@@ -8273,29 +8995,30 @@ var getRotationAngleFromTransformList = function getRotationAngleFromTransformLi
 * @param {boolean} [toRad=false] - When true returns the value in radians rather than degrees
 * @returns {Float} The angle in degrees or radians
 */
+
 var getRotationAngle = function getRotationAngle(elem, toRad) {
-  var selected = elem || editorContext_$1.getSelectedElements()[0];
-  // find the rotation transform (if any) and set it
+  var selected = elem || editorContext_$1.getSelectedElements()[0]; // find the rotation transform (if any) and set it
+
   var tlist = getTransformList(selected);
   return getRotationAngleFromTransformList(tlist, toRad);
 };
-
 /**
 * Get the reference element associated with the given attribute value
 * @function module:utilities.getRefElem
 * @param {string} attrVal - The attribute value as a string
 * @returns {Element} Reference element
 */
+
 var getRefElem = function getRefElem(attrVal) {
   return getElem(getUrlFromAttr(attrVal).substr(1));
 };
-
 /**
 * Get a DOM element by ID within the SVG root element.
 * @function module:utilities.getElem
 * @param {string} id - String with the element's new ID
 * @returns {Element}
 */
+
 var getElem = supportsSelectors() ? function (id) {
   // querySelector lookup
   return svgroot_.querySelector('#' + id);
@@ -8308,7 +9031,6 @@ var getElem = supportsSelectors() ? function (id) {
   // jQuery lookup: twice as slow as xpath in FF
   return $$2(svgroot_).find('[id=' + id + ']')[0];
 };
-
 /**
 * Assigns multiple attributes to an element.
 * @function module:utilities.assignAttributes
@@ -8318,54 +9040,35 @@ var getElem = supportsSelectors() ? function (id) {
 * @param {boolean} [unitCheck=false] - Boolean to indicate the need to use units.setUnitAttr
 * @returns {undefined}
 */
+
 var assignAttributes = function assignAttributes(elem, attrs, suspendLength, unitCheck) {
-  var _iteratorNormalCompletion = true;
-  var _didIteratorError = false;
-  var _iteratorError = undefined;
+  var _arr = Object.entries(attrs);
 
-  try {
-    for (var _iterator = Object.entries(attrs)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
-      var _ref4 = _step.value;
+  for (var _i = 0; _i < _arr.length; _i++) {
+    var _arr$_i = _slicedToArray(_arr[_i], 2),
+        key = _arr$_i[0],
+        value = _arr$_i[1];
 
-      var _ref5 = slicedToArray(_ref4, 2);
+    var ns = key.substr(0, 4) === 'xml:' ? NS.XML : key.substr(0, 6) === 'xlink:' ? NS.XLINK : null;
 
-      var key = _ref5[0];
-      var value = _ref5[1];
-
-      var ns = key.substr(0, 4) === 'xml:' ? NS.XML : key.substr(0, 6) === 'xlink:' ? NS.XLINK : null;
-
-      if (ns) {
-        elem.setAttributeNS(ns, key, value);
-      } else if (!unitCheck) {
-        elem.setAttribute(key, value);
-      } else {
-        setUnitAttr(elem, key, value);
-      }
-    }
-  } catch (err) {
-    _didIteratorError = true;
-    _iteratorError = err;
-  } finally {
-    try {
-      if (!_iteratorNormalCompletion && _iterator.return) {
-        _iterator.return();
-      }
-    } finally {
-      if (_didIteratorError) {
-        throw _iteratorError;
-      }
+    if (ns) {
+      elem.setAttributeNS(ns, key, value);
+    } else if (!unitCheck) {
+      elem.setAttribute(key, value);
+    } else {
+      setUnitAttr(elem, key, value);
     }
   }
 };
-
 /**
 * Remove unneeded (default) attributes, makes resulting SVG smaller
 * @function module:utilities.cleanupElement
 * @param {Element} element - DOM element to clean up
 * @returns {undefined}
 */
+
 var cleanupElement = function cleanupElement(element) {
-  var defaults$$1 = {
+  var defaults = {
     'fill-opacity': 1,
     'stop-opacity': 1,
     opacity: 1,
@@ -8381,61 +9084,64 @@ var cleanupElement = function cleanupElement(element) {
 
   if (element.nodeName === 'ellipse') {
     // Ellipse elements require rx and ry attributes
-    delete defaults$$1.rx;
-    delete defaults$$1.ry;
+    delete defaults.rx;
+    delete defaults.ry;
   }
 
-  for (var attr in defaults$$1) {
-    var val = defaults$$1[attr];
+  for (var attr in defaults) {
+    var val = defaults[attr];
+
     if (element.getAttribute(attr) === String(val)) {
       element.removeAttribute(attr);
     }
   }
 };
-
 /**
 * Round value to for snapping
 * @function module:utilities.snapToGrid
 * @param {Float} value
 * @returns {Integer}
 */
+
 var snapToGrid = function snapToGrid(value) {
   var unit = editorContext_$1.getBaseUnit();
   var stepSize = editorContext_$1.getSnappingStep();
+
   if (unit !== 'px') {
     stepSize *= getTypeMap()[unit];
   }
+
   value = Math.round(value / stepSize) * stepSize;
   return value;
 };
-
 /**
 * Escapes special characters in a regular expression
 * @function module:utilities.regexEscape
 * @param {string} str
 * @returns {string}
 */
+
 var regexEscape = function regexEscape(str) {
   // From: http://phpjs.org/functions
   return String(str).replace(new RegExp('[.\\\\+*?\\[\\^\\]$(){}=!<>|:\\-]', 'g'), '\\$&');
 };
-
 /**
  * Prevents default browser click behaviour on the given element
  * @function module:utilities.preventClickDefault
  * @param {Element} img - The DOM element to prevent the click on
  * @returns {undefined}
  */
+
 var preventClickDefault = function preventClickDefault(img) {
   $$2(img).click(function (e) {
     e.preventDefault();
   });
 };
-
 /**
  * @callback module:utilities.GetNextID
  * @returns {string} The ID
  */
+
 /**
  * Create a clone of an element, updating its ID and its children's IDs when needed
  * @function module:utilities.copyElem
@@ -8443,6 +9149,7 @@ var preventClickDefault = function preventClickDefault(img) {
  * @param {module:utilities.GetNextID} getNextId - The getter of the next unique ID.
  * @returns {Element} The cloned element
  */
+
 var copyElem = function copyElem(el, getNextId) {
   // manually create a copy of the element
   var newEl = document.createElementNS(el.namespaceURI, el.nodeName);
@@ -8450,29 +9157,30 @@ var copyElem = function copyElem(el, getNextId) {
     if (attr.localName !== '-moz-math-font-style') {
       newEl.setAttributeNS(attr.namespaceURI, attr.nodeName, attr.value);
     }
-  });
-  // set the copied element's new id
-  newEl.removeAttribute('id');
-  newEl.id = getNextId();
+  }); // set the copied element's new id
 
-  // Opera's "d" value needs to be reset for Opera/Win/non-EN
+  newEl.removeAttribute('id');
+  newEl.id = getNextId(); // Opera's "d" value needs to be reset for Opera/Win/non-EN
   // Also needed for webkit (else does not keep curved segments on clone)
+
   if (isWebkit() && el.nodeName === 'path') {
     var fixedD = convertPath(el);
     newEl.setAttribute('d', fixedD);
-  }
+  } // now create copies of all children
+
 
-  // now create copies of all children
   $$2.each(el.childNodes, function (i, child) {
     switch (child.nodeType) {
       case 1:
         // element node
         newEl.append(copyElem(child, getNextId));
         break;
+
       case 3:
         // text node
         newEl.textContent = child.nodeValue;
         break;
+
       default:
         break;
     }
@@ -8491,6 +9199,7 @@ var copyElem = function copyElem(el, getNextId) {
 };
 
 /* globals jQuery */
+
 /**
  * Adds context menu functionality
  * @module contextmenu
@@ -8499,47 +9208,47 @@ var copyElem = function copyElem(el, getNextId) {
  */
 // Dependencies:
 // 1) jQuery (for dom injection of context menus)
-
 var $$3 = jQuery;
-
 var contextMenuExtensions = {};
-
 /**
 * @function module:contextmenu.hasCustomHandler
 * @param {string} handlerKey
 * @returns {boolean}
 */
+
 var hasCustomHandler = function hasCustomHandler(handlerKey) {
   return Boolean(contextMenuExtensions[handlerKey]);
 };
-
 /**
 * @function module:contextmenu.getCustomHandler
 * @param {string} handlerKey
 * @returns {module:contextmenu.MenuItemAction}
 */
+
 var getCustomHandler = function getCustomHandler(handlerKey) {
   return contextMenuExtensions[handlerKey].action;
 };
-
 /**
 * @param {module:contextmenu.MenuItem} menuItem
 * @returns {undefined}
 */
+
 var injectExtendedContextMenuItemIntoDom = function injectExtendedContextMenuItemIntoDom(menuItem) {
   if (!Object.keys(contextMenuExtensions).length) {
     // all menuItems appear at the bottom of the menu in their own container.
     // if this is the first extension menu we need to add the separator.
     $$3('#cmenu_canvas').append("<li class='separator'>");
   }
+
   var shortcut = menuItem.shortcut || '';
   $$3('#cmenu_canvas').append("<li class='disabled'><a href='#" + menuItem.id + "'>" + menuItem.label + "<span class='shortcut'>" + shortcut + '</span></a></li>');
 };
-
 /**
 * @function module:contextmenu.injectExtendedContextMenuItemsIntoDom
 * @returns {undefined}
 */
+
+
 var injectExtendedContextMenuItemsIntoDom = function injectExtendedContextMenuItemsIntoDom() {
   for (var menuItem in contextMenuExtensions) {
     injectExtendedContextMenuItemIntoDom(contextMenuExtensions[menuItem]);
@@ -8552,10 +9261,10 @@ var injectExtendedContextMenuItemsIntoDom = function injectExtendedContextMenuIt
 /**
  * @module importModule
  */
-
 function toAbsoluteURL(url) {
   var a = document.createElement('a');
   a.setAttribute('href', url); // <a href="hoge.html">
+
   return a.cloneNode(false).href; // -> "http://example.com/hoge.html"
 }
 
@@ -8565,85 +9274,97 @@ function addScriptAtts(script, atts) {
       script[prop] = atts[prop];
     }
   });
-}
+} // Additions by Brett
 
-// Additions by Brett
 /**
 * @typedef {PlainObject} module:importModule.ImportConfig
 * @property {string} global The variable name to set on `window` (when not using the modular version)
 * @property {boolean} [returnDefault=false]
 */
+
 /**
 * @function module:importModule.importSetGlobalDefault
 * @param {string} url
 * @param {module:importModule.ImportConfig} config
 * @returns {*} The return depends on the export of the targeted module.
 */
-var importSetGlobalDefault = function () {
-  var _ref = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(url, config) {
-    return regeneratorRuntime.wrap(function _callee$(_context) {
-      while (1) {
-        switch (_context.prev = _context.next) {
-          case 0:
-            return _context.abrupt('return', importSetGlobal(url, _extends({}, config, { returnDefault: true })));
 
-          case 1:
-          case 'end':
-            return _context.stop();
-        }
-      }
-    }, _callee, this);
-  }));
 
-  return function importSetGlobalDefault(_x, _x2) {
-    return _ref.apply(this, arguments);
-  };
-}();
+function importSetGlobalDefault(_x, _x2) {
+  return _importSetGlobalDefault.apply(this, arguments);
+}
 /**
 * @function module:importModule.importSetGlobal
 * @param {string} url
 * @param {module:importModule.ImportConfig} config
 * @returns {ArbitraryModule|*} The return depends on the export of the targeted module.
 */
-var importSetGlobal = function () {
-  var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(url, _ref2) {
-    var global = _ref2.global,
-        returnDefault = _ref2.returnDefault;
-    var modularVersion;
+
+function _importSetGlobalDefault() {
+  _importSetGlobalDefault = _asyncToGenerator(
+  /*#__PURE__*/
+  regeneratorRuntime.mark(function _callee(url, config) {
+    return regeneratorRuntime.wrap(function _callee$(_context) {
+      while (1) {
+        switch (_context.prev = _context.next) {
+          case 0:
+            return _context.abrupt("return", importSetGlobal(url, _extends({}, config, {
+              returnDefault: true
+            })));
+
+          case 1:
+          case "end":
+            return _context.stop();
+        }
+      }
+    }, _callee, this);
+  }));
+  return _importSetGlobalDefault.apply(this, arguments);
+}
+
+function importSetGlobal(_x3, _x4) {
+  return _importSetGlobal.apply(this, arguments);
+} // Addition by Brett
+
+function _importSetGlobal() {
+  _importSetGlobal = _asyncToGenerator(
+  /*#__PURE__*/
+  regeneratorRuntime.mark(function _callee2(url, _ref) {
+    var global, returnDefault, modularVersion;
     return regeneratorRuntime.wrap(function _callee2$(_context2) {
       while (1) {
         switch (_context2.prev = _context2.next) {
           case 0:
+            global = _ref.global, returnDefault = _ref.returnDefault;
             // Todo: Replace calls to this function with `import()` when supported
             modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false;
 
             if (!modularVersion) {
-              _context2.next = 3;
+              _context2.next = 4;
               break;
             }
 
-            return _context2.abrupt('return', importModule(url, undefined, { returnDefault: returnDefault }));
+            return _context2.abrupt("return", importModule(url, undefined, {
+              returnDefault: returnDefault
+            }));
 
-          case 3:
-            _context2.next = 5;
+          case 4:
+            _context2.next = 6;
             return importScript(url);
 
-          case 5:
-            return _context2.abrupt('return', window[global]);
-
           case 6:
-          case 'end':
+            return _context2.abrupt("return", window[global]);
+
+          case 7:
+          case "end":
             return _context2.stop();
         }
       }
     }, _callee2, this);
   }));
+  return _importSetGlobal.apply(this, arguments);
+}
 
-  return function importSetGlobal(_x3, _x4) {
-    return _ref3.apply(this, arguments);
-  };
-}();
-// Addition by Brett
 function importScript(url) {
   var atts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
 
@@ -8652,45 +9373,51 @@ function importScript(url) {
       return importScript(u, atts);
     }));
   }
+
   return new Promise(function (resolve, reject) {
     var script = document.createElement('script');
+
     var destructor = function destructor() {
       script.onerror = null;
       script.onload = null;
       script.remove();
       script.src = '';
     };
+
     script.defer = 'defer';
     addScriptAtts(script, atts);
+
     script.onerror = function () {
-      reject(new Error('Failed to import: ' + url));
+      reject(new Error("Failed to import: ".concat(url)));
       destructor();
     };
+
     script.onload = function () {
       resolve();
       destructor();
     };
-    script.src = url;
 
+    script.src = url;
     document.head.append(script);
   });
 }
-
 function importModule(url) {
   var atts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
 
-  var _ref4 = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
-      _ref4$returnDefault = _ref4.returnDefault,
-      returnDefault = _ref4$returnDefault === undefined ? false : _ref4$returnDefault;
+  var _ref2 = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
+      _ref2$returnDefault = _ref2.returnDefault,
+      returnDefault = _ref2$returnDefault === void 0 ? false : _ref2$returnDefault;
 
   if (Array.isArray(url)) {
     return Promise.all(url.map(function (u) {
       return importModule(u, atts);
     }));
   }
+
   return new Promise(function (resolve, reject) {
     var vector = '$importModule$' + Math.random().toString(32).slice(2);
     var script = document.createElement('script');
+
     var destructor = function destructor() {
       delete window[vector];
       script.onerror = null;
@@ -8699,30 +9426,33 @@ function importModule(url) {
       URL.revokeObjectURL(script.src);
       script.src = '';
     };
+
     addScriptAtts(script, atts);
     script.defer = 'defer';
     script.type = 'module';
+
     script.onerror = function () {
-      reject(new Error('Failed to import: ' + url));
+      reject(new Error("Failed to import: ".concat(url)));
       destructor();
     };
+
     script.onload = function () {
       resolve(window[vector]);
       destructor();
     };
-    var absURL = toAbsoluteURL(url);
-    var loader = 'import * as m from \'' + absURL.replace(/'/g, "\\'") + '\'; window.' + vector + ' = ' + (returnDefault ? 'm.default || ' : '') + 'm;'; // export Module
-    var blob = new Blob([loader], { type: 'text/javascript' });
-    script.src = URL.createObjectURL(blob);
 
+    var absURL = toAbsoluteURL(url);
+    var loader = "import * as m from '".concat(absURL.replace(/'/g, "\\'"), "'; window.").concat(vector, " = ").concat(returnDefault ? 'm.default || ' : '', "m;"); // export Module
+
+    var blob = new Blob([loader], {
+      type: 'text/javascript'
+    });
+    script.src = URL.createObjectURL(blob);
     document.head.append(script);
   });
 }
 
-/* globals jQuery */
-
 var $$4 = jQuery;
-
 /**
  * This class encapsulates the concept of a layer in the drawing. It can be constructed with
  * an existing group element or, with three parameters, will create a new layer group element.
@@ -8734,7 +9464,9 @@ var $$4 = jQuery;
  * @memberof module:layer
  */
 
-var Layer = function () {
+var Layer =
+/*#__PURE__*/
+function () {
   /**
   * @param {string} name - Layer name
   * @param {SVGGElement|null} group - An existing SVG group element or null.
@@ -8745,7 +9477,7 @@ var Layer = function () {
   *     a new layer to the document.
   */
   function Layer(name, group, svgElem) {
-    classCallCheck(this, Layer);
+    _classCallCheck(this, Layer);
 
     this.name_ = name;
     this.group_ = svgElem ? null : group;
@@ -8757,6 +9489,7 @@ var Layer = function () {
       var layerTitle = svgdoc.createElementNS(NS.SVG, 'title');
       layerTitle.textContent = name;
       this.group_.append(layerTitle);
+
       if (group) {
         $$4(group).after(this.group_);
       } else {
@@ -8768,55 +9501,49 @@ var Layer = function () {
     walkTree(this.group_, function (e) {
       e.setAttribute('style', 'pointer-events:inherit');
     });
-
     this.group_.setAttribute('style', svgElem ? 'pointer-events:all' : 'pointer-events:none');
   }
-
   /**
    * Get the layer's name.
    * @returns {string} The layer name
    */
 
 
-  createClass(Layer, [{
-    key: 'getName',
+  _createClass(Layer, [{
+    key: "getName",
     value: function getName() {
       return this.name_;
     }
-
     /**
      * Get the group element for this layer.
      * @returns {SVGGElement} The layer SVG group
      */
 
   }, {
-    key: 'getGroup',
+    key: "getGroup",
     value: function getGroup() {
       return this.group_;
     }
-
     /**
      * Active this layer so it takes pointer events.
      * @returns {undefined}
      */
 
   }, {
-    key: 'activate',
+    key: "activate",
     value: function activate() {
       this.group_.setAttribute('style', 'pointer-events:all');
     }
-
     /**
      * Deactive this layer so it does NOT take pointer events.
      * @returns {undefined}
      */
 
   }, {
-    key: 'deactivate',
+    key: "deactivate",
     value: function deactivate() {
       this.group_.setAttribute('style', 'pointer-events:none');
     }
-
     /**
      * Set this layer visible or hidden based on 'visible' parameter.
      * @param {boolean} visible - If true, make visible; otherwise, hide it.
@@ -8824,41 +9551,41 @@ var Layer = function () {
      */
 
   }, {
-    key: 'setVisible',
+    key: "setVisible",
     value: function setVisible(visible) {
       var expected = visible === undefined || visible ? 'inline' : 'none';
       var oldDisplay = this.group_.getAttribute('display');
+
       if (oldDisplay !== expected) {
         this.group_.setAttribute('display', expected);
       }
     }
-
     /**
      * Is this layer visible?
      * @returns {boolean} True if visible.
      */
 
   }, {
-    key: 'isVisible',
+    key: "isVisible",
     value: function isVisible() {
       return this.group_.getAttribute('display') !== 'none';
     }
-
     /**
      * Get layer opacity.
      * @returns {Float} Opacity value.
      */
 
   }, {
-    key: 'getOpacity',
+    key: "getOpacity",
     value: function getOpacity() {
       var opacity = this.group_.getAttribute('opacity');
+
       if (opacity === null || opacity === undefined) {
         return 1;
       }
+
       return parseFloat(opacity);
     }
-
     /**
      * Sets the opacity of this layer. If opacity is not a value between 0.0 and 1.0,
      * nothing happens.
@@ -8867,13 +9594,12 @@ var Layer = function () {
      */
 
   }, {
-    key: 'setOpacity',
+    key: "setOpacity",
     value: function setOpacity(opacity) {
       if (typeof opacity === 'number' && opacity >= 0.0 && opacity <= 1.0) {
         this.group_.setAttribute('opacity', opacity);
       }
     }
-
     /**
      * Append children to this layer.
      * @param {SVGGElement} children - The children to append to this layer.
@@ -8881,30 +9607,31 @@ var Layer = function () {
      */
 
   }, {
-    key: 'appendChildren',
+    key: "appendChildren",
     value: function appendChildren(children) {
       for (var i = 0; i < children.length; ++i) {
         this.group_.append(children[i]);
       }
     }
-
     /**
     * @returns {SVGTitleElement|null}
     */
 
   }, {
-    key: 'getTitleElement',
+    key: "getTitleElement",
     value: function getTitleElement() {
       var len = this.group_.childNodes.length;
+
       for (var i = 0; i < len; ++i) {
         var child = this.group_.childNodes.item(i);
+
         if (child && child.tagName === 'title') {
           return child;
         }
       }
+
       return null;
     }
-
     /**
      * Set the name of this layer.
      * @param {string} name - The new name.
@@ -8913,24 +9640,29 @@ var Layer = function () {
      */
 
   }, {
-    key: 'setName',
+    key: "setName",
     value: function setName(name, hrService) {
       var previousName = this.name_;
-      name = toXml(name);
-      // now change the underlying title element contents
+      name = toXml(name); // now change the underlying title element contents
+
       var title = this.getTitleElement();
+
       if (title) {
         $$4(title).empty();
         title.textContent = name;
         this.name_ = name;
+
         if (hrService) {
-          hrService.changeElement(title, { '#text': previousName });
+          hrService.changeElement(title, {
+            '#text': previousName
+          });
         }
+
         return this.name_;
       }
+
       return null;
     }
-
     /**
      * Remove this layer's group from the DOM. No more functions on group can be called after this.
      * @param {SVGGElement} children - The children to append to this layer.
@@ -8938,7 +9670,7 @@ var Layer = function () {
      */
 
   }, {
-    key: 'removeGroup',
+    key: "removeGroup",
     value: function removeGroup() {
       var parent = this.group_.parentNode;
       var group = parent.removeChild(this.group_);
@@ -8946,6 +9678,7 @@ var Layer = function () {
       return group;
     }
   }]);
+
   return Layer;
 }();
 /**
@@ -8954,20 +9687,21 @@ var Layer = function () {
 
 
 Layer.CLASS_NAME = 'layer';
-
 /**
  * @property {RegExp} CLASS_REGEX - Used to test presence of class Layer.CLASS_NAME
  */
-Layer.CLASS_REGEX = new RegExp('(\\s|^)' + Layer.CLASS_NAME + '(\\s|$)');
 
+Layer.CLASS_REGEX = new RegExp('(\\s|^)' + Layer.CLASS_NAME + '(\\s|$)');
 /**
  * Add class `Layer.CLASS_NAME` to the element (usually `class='layer'`).
  *
  * @param {SVGGElement} elem - The SVG element to update
  * @returns {undefined}
  */
+
 function addLayerClass(elem) {
   var classes = elem.getAttribute('class');
+
   if (classes === null || classes === undefined || !classes.length) {
     elem.setAttribute('class', Layer.CLASS_NAME);
   } else if (!Layer.CLASS_REGEX.test(classes)) {
@@ -8975,13 +9709,6 @@ function addLayerClass(elem) {
   }
 }
 
-/**
- * HistoryRecordingService component of history
- * @module history
- * @license MIT
- * @copyright 2016 Flint O'Brien
- */
-
 /**
  * History recording service.
  *
@@ -9015,20 +9742,21 @@ function addLayerClass(elem) {
  * @memberof module:history
  */
 
-var HistoryRecordingService = function () {
+var HistoryRecordingService =
+/*#__PURE__*/
+function () {
   /**
   * @param {history.UndoManager|null} undoManager - The undo manager.
   *     A value of `null` is valid for cases where no history recording is required.
   *     See singleton: {@link module:history.HistoryRecordingService.HistoryRecordingService.NO_HISTORY}
   */
   function HistoryRecordingService(undoManager) {
-    classCallCheck(this, HistoryRecordingService);
+    _classCallCheck(this, HistoryRecordingService);
 
     this.undoManager_ = undoManager;
     this.currentBatchCommand_ = null;
     this.batchCommandStack_ = [];
   }
-
   /**
    * Start a batch command so multiple commands can recorded as a single history command.
    * Requires a corresponding call to endBatchCommand. Start and end commands can be nested.
@@ -9038,39 +9766,39 @@ var HistoryRecordingService = function () {
    */
 
 
-  createClass(HistoryRecordingService, [{
-    key: 'startBatchCommand',
+  _createClass(HistoryRecordingService, [{
+    key: "startBatchCommand",
     value: function startBatchCommand(text) {
       if (!this.undoManager_) {
         return this;
       }
+
       this.currentBatchCommand_ = new BatchCommand(text);
       this.batchCommandStack_.push(this.currentBatchCommand_);
       return this;
     }
-
     /**
      * End a batch command and add it to the history or a parent batch command.
      * @returns {module:history.HistoryRecordingService}
      */
 
   }, {
-    key: 'endBatchCommand',
+    key: "endBatchCommand",
     value: function endBatchCommand() {
       if (!this.undoManager_) {
         return this;
       }
+
       if (this.currentBatchCommand_) {
         var batchCommand = this.currentBatchCommand_;
         this.batchCommandStack_.pop();
         var length = this.batchCommandStack_.length;
-
         this.currentBatchCommand_ = length ? this.batchCommandStack_[length - 1] : null;
         this.addCommand_(batchCommand);
       }
+
       return this;
     }
-
     /**
      * Add a MoveElementCommand to the history or current batch command
      * @param {Element} elem - The DOM element that was moved
@@ -9081,15 +9809,15 @@ var HistoryRecordingService = function () {
      */
 
   }, {
-    key: 'moveElement',
+    key: "moveElement",
     value: function moveElement(elem, oldNextSibling, oldParent, text) {
       if (!this.undoManager_) {
         return this;
       }
+
       this.addCommand_(new MoveElementCommand(elem, oldNextSibling, oldParent, text));
       return this;
     }
-
     /**
      * Add an InsertElementCommand to the history or current batch command
      * @param {Element} elem - The DOM element that was added
@@ -9098,15 +9826,15 @@ var HistoryRecordingService = function () {
      */
 
   }, {
-    key: 'insertElement',
+    key: "insertElement",
     value: function insertElement(elem, text) {
       if (!this.undoManager_) {
         return this;
       }
+
       this.addCommand_(new InsertElementCommand(elem, text));
       return this;
     }
-
     /**
      * Add a RemoveElementCommand to the history or current batch command
      * @param {Element} elem - The DOM element that was removed
@@ -9117,15 +9845,15 @@ var HistoryRecordingService = function () {
      */
 
   }, {
-    key: 'removeElement',
+    key: "removeElement",
     value: function removeElement(elem, oldNextSibling, oldParent, text) {
       if (!this.undoManager_) {
         return this;
       }
+
       this.addCommand_(new RemoveElementCommand(elem, oldNextSibling, oldParent, text));
       return this;
     }
-
     /**
      * Add a ChangeElementCommand to the history or current batch command
      * @param {Element} elem - The DOM element that was changed
@@ -9135,15 +9863,15 @@ var HistoryRecordingService = function () {
      */
 
   }, {
-    key: 'changeElement',
+    key: "changeElement",
     value: function changeElement(elem, attrs, text) {
       if (!this.undoManager_) {
         return this;
       }
+
       this.addCommand_(new ChangeElementCommand(elem, attrs, text));
       return this;
     }
-
     /**
      * Private function to add a command to the history or current batch command.
      * @private
@@ -9152,11 +9880,12 @@ var HistoryRecordingService = function () {
      */
 
   }, {
-    key: 'addCommand_',
+    key: "addCommand_",
     value: function addCommand_(cmd) {
       if (!this.undoManager_) {
         return this;
       }
+
       if (this.currentBatchCommand_) {
         this.currentBatchCommand_.addSubCommand(cmd);
       } else {
@@ -9164,6 +9893,7 @@ var HistoryRecordingService = function () {
       }
     }
   }]);
+
   return HistoryRecordingService;
 }();
 /**
@@ -9174,59 +9904,60 @@ var HistoryRecordingService = function () {
 
 HistoryRecordingService.NO_HISTORY = new HistoryRecordingService();
 
-/* globals jQuery */
-
 var $$5 = jQuery;
-
 var visElems$1 = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use'.split(',');
-
 var RandomizeModes = {
   LET_DOCUMENT_DECIDE: 0,
   ALWAYS_RANDOMIZE: 1,
   NEVER_RANDOMIZE: 2
 };
-var randIds = RandomizeModes.LET_DOCUMENT_DECIDE;
-// Array with current disabled elements (for in-group editing)
-var disabledElems = [];
+var randIds = RandomizeModes.LET_DOCUMENT_DECIDE; // Array with current disabled elements (for in-group editing)
 
+var disabledElems = [];
 /**
  * Get a HistoryRecordingService.
  * @param {module:history.HistoryRecordingService} [hrService] - if exists, return it instead of creating a new service.
  * @returns {module:history.HistoryRecordingService}
  */
+
 function historyRecordingService(hrService) {
   return hrService || new HistoryRecordingService(canvas_.undoMgr);
 }
-
 /**
  * Find the layer name in a group element.
  * @param {Element} group The group element to search in.
  * @returns {string} The layer name or empty string.
  */
+
+
 function findLayerNameInGroup(group) {
-  return $$5('title', group).text() || (isOpera() && group.querySelectorAll
-  // Hack for Opera 10.60
+  return $$5('title', group).text() || (isOpera() && group.querySelectorAll // Hack for Opera 10.60
   ? $$5(group.querySelectorAll('title')).text() : '');
 }
-
 /**
  * Given a set of names, return a new unique name.
  * @param {string[]} existingLayerNames - Existing layer names.
  * @returns {string} - The new name.
  */
+
+
 function getNewLayerName(existingLayerNames) {
-  var i = 1;
-  // TODO(codedread): What about internationalization of "Layer"?
+  var i = 1; // TODO(codedread): What about internationalization of "Layer"?
+
   while (existingLayerNames.includes('Layer ' + i)) {
     i++;
   }
+
   return 'Layer ' + i;
 }
-
 /**
  * This class encapsulates the concept of a SVG-edit drawing
  */
-var Drawing = function () {
+
+
+var Drawing =
+/*#__PURE__*/
+function () {
   /**
   * @param {SVGSVGElement} svgElem - The SVG DOM Element that this JS object
   *     encapsulates.  If the svgElem has a se:nonce attribute on it, then
@@ -9235,44 +9966,44 @@ var Drawing = function () {
   * @throws {Error} If not initialized with an SVG element
   */
   function Drawing(svgElem, optIdPrefix) {
-    classCallCheck(this, Drawing);
+    _classCallCheck(this, Drawing);
 
     if (!svgElem || !svgElem.tagName || !svgElem.namespaceURI || svgElem.tagName !== 'svg' || svgElem.namespaceURI !== NS.SVG) {
       throw new Error('Error: svgedit.draw.Drawing instance initialized without a <svg> element');
     }
-
     /**
     * The SVG DOM Element that represents this drawing.
     * @type {SVGSVGElement}
     */
-    this.svgElem_ = svgElem;
 
+
+    this.svgElem_ = svgElem;
     /**
     * The latest object number used in this drawing.
     * @type {Integer}
     */
-    this.obj_num = 0;
 
+    this.obj_num = 0;
     /**
     * The prefix to prepend to each element id in the drawing.
     * @type {string}
     */
-    this.idPrefix = optIdPrefix || 'svg_';
 
+    this.idPrefix = optIdPrefix || 'svg_';
     /**
     * An array of released element ids to immediately reuse.
     * @type {Integer[]}
     */
-    this.releasedNums = [];
 
+    this.releasedNums = [];
     /**
     * The z-ordered array of Layer objects. Each layer has a name
     * and group element.
     * The first layer is the one at the bottom of the rendering.
     * @type {Layer[]}
     */
-    this.all_layers = [];
 
+    this.all_layers = [];
     /**
     * Map of all_layers by name.
     *
@@ -9281,142 +10012,139 @@ var Drawing = function () {
     *
     * @type {PlainObject.<string, Layer>}
     */
-    this.layer_map = {};
 
+    this.layer_map = {};
     /**
     * The current layer being used.
     * @type {Layer}
     */
-    this.current_layer = null;
 
+    this.current_layer = null;
     /**
     * The nonce to use to uniquely identify elements across drawings.
     * @type {!String}
     */
+
     this.nonce_ = '';
-    var n = this.svgElem_.getAttributeNS(NS.SE, 'nonce');
-    // If already set in the DOM, use the nonce throughout the document
+    var n = this.svgElem_.getAttributeNS(NS.SE, 'nonce'); // If already set in the DOM, use the nonce throughout the document
     // else, if randomizeIds(true) has been called, create and set the nonce.
+
     if (!!n && randIds !== RandomizeModes.NEVER_RANDOMIZE) {
       this.nonce_ = n;
     } else if (randIds === RandomizeModes.ALWAYS_RANDOMIZE) {
       this.setNonce(Math.floor(Math.random() * 100001));
     }
   }
-
   /**
    * @param {string} id Element ID to retrieve
    * @returns {Element} SVG element within the root SVGSVGElement
   */
 
 
-  createClass(Drawing, [{
-    key: 'getElem_',
+  _createClass(Drawing, [{
+    key: "getElem_",
     value: function getElem_(id) {
       if (this.svgElem_.querySelector) {
         // querySelector lookup
         return this.svgElem_.querySelector('#' + id);
-      }
-      // jQuery lookup: twice as slow as xpath in FF
+      } // jQuery lookup: twice as slow as xpath in FF
+
+
       return $$5(this.svgElem_).find('[id=' + id + ']')[0];
     }
-
     /**
      * @returns {SVGSVGElement}
      */
 
   }, {
-    key: 'getSvgElem',
+    key: "getSvgElem",
     value: function getSvgElem() {
       return this.svgElem_;
     }
-
     /**
      * @returns {!(string|Integer)} The previously set nonce
      */
 
   }, {
-    key: 'getNonce',
+    key: "getNonce",
     value: function getNonce() {
       return this.nonce_;
     }
-
     /**
      * @param {!(string|Integer)} n The nonce to set
      * @returns {undefined}
      */
 
   }, {
-    key: 'setNonce',
+    key: "setNonce",
     value: function setNonce(n) {
       this.svgElem_.setAttributeNS(NS.XMLNS, 'xmlns:se', NS.SE);
       this.svgElem_.setAttributeNS(NS.SE, 'se:nonce', n);
       this.nonce_ = n;
     }
-
     /**
      * Clears any previously set nonce
      * @returns {undefined}
      */
 
   }, {
-    key: 'clearNonce',
+    key: "clearNonce",
     value: function clearNonce() {
       // We deliberately leave any se:nonce attributes alone,
       // we just don't use it to randomize ids.
       this.nonce_ = '';
     }
-
     /**
      * Returns the latest object id as a string.
      * @returns {string} The latest object Id.
      */
 
   }, {
-    key: 'getId',
+    key: "getId",
     value: function getId() {
       return this.nonce_ ? this.idPrefix + this.nonce_ + '_' + this.obj_num : this.idPrefix + this.obj_num;
     }
-
     /**
      * Returns the next object Id as a string.
      * @returns {string} The next object Id to use.
      */
 
   }, {
-    key: 'getNextId',
+    key: "getNextId",
     value: function getNextId() {
       var oldObjNum = this.obj_num;
-      var restoreOldObjNum = false;
-
-      // If there are any released numbers in the release stack,
+      var restoreOldObjNum = false; // If there are any released numbers in the release stack,
       // use the last one instead of the next obj_num.
       // We need to temporarily use obj_num as that is what getId() depends on.
+
       if (this.releasedNums.length > 0) {
         this.obj_num = this.releasedNums.pop();
         restoreOldObjNum = true;
       } else {
         // If we are not using a released id, then increment the obj_num.
         this.obj_num++;
-      }
+      } // Ensure the ID does not exist.
+
 
-      // Ensure the ID does not exist.
       var id = this.getId();
+
       while (this.getElem_(id)) {
         if (restoreOldObjNum) {
           this.obj_num = oldObjNum;
           restoreOldObjNum = false;
         }
+
         this.obj_num++;
         id = this.getId();
-      }
-      // Restore the old object number if required.
+      } // Restore the old object number if required.
+
+
       if (restoreOldObjNum) {
         this.obj_num = oldObjNum;
       }
+
       return id;
     }
-
     /**
      * Releases the object Id, letting it be used as the next id in getNextId().
      * This method DOES NOT remove any elements from the DOM, it is expected
@@ -9426,39 +10154,37 @@ var Drawing = function () {
     */
 
   }, {
-    key: 'releaseId',
+    key: "releaseId",
     value: function releaseId(id) {
       // confirm if this is a valid id for this Document, else return false
       var front = this.idPrefix + (this.nonce_ ? this.nonce_ + '_' : '');
+
       if (typeof id !== 'string' || !id.startsWith(front)) {
         return false;
-      }
-      // extract the obj_num of this id
-      var num = parseInt(id.substr(front.length), 10);
+      } // extract the obj_num of this id
 
-      // if we didn't get a positive number or we already released this number
+
+      var num = parseInt(id.substr(front.length), 10); // if we didn't get a positive number or we already released this number
       // then return false.
+
       if (typeof num !== 'number' || num <= 0 || this.releasedNums.includes(num)) {
         return false;
-      }
+      } // push the released number into the released queue
+
 
-      // push the released number into the released queue
       this.releasedNums.push(num);
-
       return true;
     }
-
     /**
      * Returns the number of layers in the current drawing.
      * @returns {Integer} The number of layers in the current drawing.
     */
 
   }, {
-    key: 'getNumLayers',
+    key: "getNumLayers",
     value: function getNumLayers() {
       return this.all_layers.length;
     }
-
     /**
      * Check if layer with given name already exists
      * @param {string} name - The layer name to check
@@ -9466,11 +10192,10 @@ var Drawing = function () {
     */
 
   }, {
-    key: 'hasLayer',
+    key: "hasLayer",
     value: function hasLayer(name) {
       return this.layer_map[name] !== undefined;
     }
-
     /**
      * Returns the name of the ith layer. If the index is out of range, an empty string is returned.
      * @param {Integer} i - The zero-based index of the layer you are querying.
@@ -9478,33 +10203,30 @@ var Drawing = function () {
     */
 
   }, {
-    key: 'getLayerName',
+    key: "getLayerName",
     value: function getLayerName(i) {
       return i >= 0 && i < this.getNumLayers() ? this.all_layers[i].getName() : '';
     }
-
     /**
      * @returns {SVGGElement|null} The SVGGElement representing the current layer.
      */
 
   }, {
-    key: 'getCurrentLayer',
+    key: "getCurrentLayer",
     value: function getCurrentLayer() {
       return this.current_layer ? this.current_layer.getGroup() : null;
     }
-
     /**
      * Get a layer by name.
      * @returns {SVGGElement} The SVGGElement representing the named layer or null.
      */
 
   }, {
-    key: 'getLayerByName',
+    key: "getLayerByName",
     value: function getLayerByName(name) {
       var layer = this.layer_map[name];
       return layer ? layer.getGroup() : null;
     }
-
     /**
      * Returns the name of the currently selected layer. If an error occurs, an empty string
      * is returned.
@@ -9512,11 +10234,10 @@ var Drawing = function () {
     */
 
   }, {
-    key: 'getCurrentLayerName',
+    key: "getCurrentLayerName",
     value: function getCurrentLayerName() {
       return this.current_layer ? this.current_layer.getName() : '';
     }
-
     /**
      * Set the current layer's name.
      * @param {string} name - The new name.
@@ -9525,20 +10246,22 @@ var Drawing = function () {
      */
 
   }, {
-    key: 'setCurrentLayerName',
+    key: "setCurrentLayerName",
     value: function setCurrentLayerName(name, hrService) {
       var finalName = null;
+
       if (this.current_layer) {
         var oldName = this.current_layer.getName();
         finalName = this.current_layer.setName(name, hrService);
+
         if (finalName) {
           delete this.layer_map[oldName];
           this.layer_map[finalName] = this.current_layer;
         }
       }
+
       return finalName;
     }
-
     /**
      * Set the current layer's position.
      * @param {Integer} newpos - The zero-based index of the new position of the layer. Range should be 0 to layers-1
@@ -9546,20 +10269,23 @@ var Drawing = function () {
      */
 
   }, {
-    key: 'setCurrentLayerPosition',
+    key: "setCurrentLayerPosition",
     value: function setCurrentLayerPosition(newpos) {
       var layerCount = this.getNumLayers();
+
       if (!this.current_layer || newpos < 0 || newpos >= layerCount) {
         return null;
       }
 
-      var oldpos = void 0;
+      var oldpos;
+
       for (oldpos = 0; oldpos < layerCount; ++oldpos) {
         if (this.all_layers[oldpos] === this.current_layer) {
           break;
         }
-      }
-      // some unknown error condition (current_layer not in all_layers)
+      } // some unknown error condition (current_layer not in all_layers)
+
+
       if (oldpos === layerCount) {
         return null;
       }
@@ -9568,66 +10294,70 @@ var Drawing = function () {
         // if our new position is below us, we need to insert before the node after newpos
         var currentGroup = this.current_layer.getGroup();
         var oldNextSibling = currentGroup.nextSibling;
-
         var refGroup = null;
+
         if (newpos > oldpos) {
           if (newpos < layerCount - 1) {
             refGroup = this.all_layers[newpos + 1].getGroup();
-          }
-          // if our new position is above us, we need to insert before the node at newpos
+          } // if our new position is above us, we need to insert before the node at newpos
+
         } else {
           refGroup = this.all_layers[newpos].getGroup();
         }
+
         this.svgElem_.insertBefore(currentGroup, refGroup); // Ok to replace with `refGroup.before(currentGroup);`?
 
         this.identifyLayers();
         this.setCurrentLayer(this.getLayerName(newpos));
-
         return {
           currentGroup: currentGroup,
           oldNextSibling: oldNextSibling
         };
       }
+
       return null;
     }
-
     /**
     * @param {module:history.HistoryRecordingService} hrService
     * @returns {undefined}
     */
 
   }, {
-    key: 'mergeLayer',
+    key: "mergeLayer",
     value: function mergeLayer(hrService) {
       var currentGroup = this.current_layer.getGroup();
       var prevGroup = $$5(currentGroup).prev()[0];
+
       if (!prevGroup) {
         return;
       }
 
       hrService.startBatchCommand('Merge Layer');
-
       var layerNextSibling = currentGroup.nextSibling;
       hrService.removeElement(currentGroup, layerNextSibling, this.svgElem_);
 
       while (currentGroup.firstChild) {
         var child = currentGroup.firstChild;
+
         if (child.localName === 'title') {
           hrService.removeElement(child, child.nextSibling, currentGroup);
           child.remove();
           continue;
         }
+
         var oldNextSibling = child.nextSibling;
         prevGroup.append(child);
         hrService.moveElement(child, oldNextSibling, currentGroup);
-      }
+      } // Remove current layer's group
+
+
+      this.current_layer.removeGroup(); // Remove the current layer and set the previous layer as the new current layer
 
-      // Remove current layer's group
-      this.current_layer.removeGroup();
-      // Remove the current layer and set the previous layer as the new current layer
       var index = this.all_layers.indexOf(this.current_layer);
+
       if (index > 0) {
         var _name = this.current_layer.getName();
+
         this.current_layer = this.all_layers[index - 1];
         this.all_layers.splice(index, 1);
         delete this.layer_map[_name];
@@ -9635,25 +10365,24 @@ var Drawing = function () {
 
       hrService.endBatchCommand();
     }
-
     /**
     * @param {module:history.HistoryRecordingService} hrService
     * @returns {undefined}
     */
 
   }, {
-    key: 'mergeAllLayers',
+    key: "mergeAllLayers",
     value: function mergeAllLayers(hrService) {
       // Set the current layer to the last layer.
       this.current_layer = this.all_layers[this.all_layers.length - 1];
-
       hrService.startBatchCommand('Merge all Layers');
+
       while (this.all_layers.length > 1) {
         this.mergeLayer(hrService);
       }
+
       hrService.endBatchCommand();
     }
-
     /**
      * Sets the current layer. If the name is not a valid layer name, then this
      * function returns `false`. Otherwise it returns `true`. This is not an
@@ -9663,20 +10392,22 @@ var Drawing = function () {
      */
 
   }, {
-    key: 'setCurrentLayer',
+    key: "setCurrentLayer",
     value: function setCurrentLayer(name) {
       var layer = this.layer_map[name];
+
       if (layer) {
         if (this.current_layer) {
           this.current_layer.deactivate();
         }
+
         this.current_layer = layer;
         this.current_layer.activate();
         return true;
       }
+
       return false;
     }
-
     /**
      * Deletes the current layer from the drawing and then clears the selection.
      * This function then calls the 'changed' handler.  This is an undoable action.
@@ -9685,16 +10416,16 @@ var Drawing = function () {
      */
 
   }, {
-    key: 'deleteCurrentLayer',
+    key: "deleteCurrentLayer",
     value: function deleteCurrentLayer() {
       if (this.current_layer && this.getNumLayers() > 1) {
         var oldLayerGroup = this.current_layer.removeGroup();
         this.identifyLayers();
         return oldLayerGroup;
       }
+
       return null;
     }
-
     /**
      * Updates layer system and sets the current layer to the
      * top-most layer (last `<g>` child of this drawing).
@@ -9702,23 +10433,26 @@ var Drawing = function () {
     */
 
   }, {
-    key: 'identifyLayers',
+    key: "identifyLayers",
     value: function identifyLayers() {
       this.all_layers = [];
       this.layer_map = {};
-      var numchildren = this.svgElem_.childNodes.length;
-      // loop through all children of SVG element
+      var numchildren = this.svgElem_.childNodes.length; // loop through all children of SVG element
+
       var orphans = [],
           layernames = [];
       var layer = null;
       var childgroups = false;
+
       for (var i = 0; i < numchildren; ++i) {
-        var child = this.svgElem_.childNodes.item(i);
-        // for each g, find its layer name
+        var child = this.svgElem_.childNodes.item(i); // for each g, find its layer name
+
         if (child && child.nodeType === 1) {
           if (child.tagName === 'g') {
             childgroups = true;
+
             var _name2 = findLayerNameInGroup(child);
+
             if (_name2) {
               layernames.push(_name2);
               layer = new Layer(_name2, child);
@@ -9733,9 +10467,9 @@ var Drawing = function () {
             orphans.push(child);
           }
         }
-      }
+      } // If orphans or no layers found, create a new layer and add all the orphans to it
+
 
-      // If orphans or no layers found, create a new layer and add all the orphans to it
       if (orphans.length > 0 || !childgroups) {
         layer = new Layer(getNewLayerName(layernames), null, this.svgElem_);
         layer.appendChildren(orphans);
@@ -9744,9 +10478,9 @@ var Drawing = function () {
       } else {
         layer.activate();
       }
+
       this.current_layer = layer;
     }
-
     /**
      * Creates a new top-level layer in the drawing with the given name and
      * makes it the current layer.
@@ -9757,19 +10491,20 @@ var Drawing = function () {
     */
 
   }, {
-    key: 'createLayer',
+    key: "createLayer",
     value: function createLayer(name, hrService) {
       if (this.current_layer) {
         this.current_layer.deactivate();
-      }
-      // Check for duplicate name.
+      } // Check for duplicate name.
+
+
       if (name === undefined || name === null || name === '' || this.layer_map[name]) {
         name = getNewLayerName(Object.keys(this.layer_map));
-      }
+      } // Crate new layer and add to DOM as last layer
+
+
+      var layer = new Layer(name, null, this.svgElem_); // Like to assume hrService exists, but this is backwards compatible with old version of createLayer.
 
-      // Crate new layer and add to DOM as last layer
-      var layer = new Layer(name, null, this.svgElem_);
-      // Like to assume hrService exists, but this is backwards compatible with old version of createLayer.
       if (hrService) {
         hrService.startBatchCommand('Create Layer');
         hrService.insertElement(layer.getGroup());
@@ -9781,7 +10516,6 @@ var Drawing = function () {
       this.current_layer = layer;
       return layer.getGroup();
     }
-
     /**
      * Creates a copy of the current layer with the given name and makes it the current layer.
      * @param {string} name - The given name. If the layer name exists, a new name will be generated.
@@ -9791,29 +10525,32 @@ var Drawing = function () {
     */
 
   }, {
-    key: 'cloneLayer',
+    key: "cloneLayer",
     value: function cloneLayer(name, hrService) {
       if (!this.current_layer) {
         return null;
       }
-      this.current_layer.deactivate();
-      // Check for duplicate name.
+
+      this.current_layer.deactivate(); // Check for duplicate name.
+
       if (name === undefined || name === null || name === '' || this.layer_map[name]) {
         name = getNewLayerName(Object.keys(this.layer_map));
-      }
+      } // Create new group and add to DOM just after current_layer
+
 
-      // Create new group and add to DOM just after current_layer
       var currentGroup = this.current_layer.getGroup();
       var layer = new Layer(name, currentGroup, this.svgElem_);
-      var group = layer.getGroup();
+      var group = layer.getGroup(); // Clone children
 
-      // Clone children
       var children = currentGroup.childNodes;
+
       for (var _index = 0; _index < children.length; _index++) {
         var ch = children[_index];
+
         if (ch.localName === 'title') {
           continue;
         }
+
         group.append(this.copyElem(ch));
       }
 
@@ -9821,20 +10558,21 @@ var Drawing = function () {
         hrService.startBatchCommand('Duplicate Layer');
         hrService.insertElement(group);
         hrService.endBatchCommand();
-      }
+      } // Update layer containers and current_layer.
+
 
-      // Update layer containers and current_layer.
       var index = this.all_layers.indexOf(this.current_layer);
+
       if (index >= 0) {
         this.all_layers.splice(index + 1, 0, layer);
       } else {
         this.all_layers.push(layer);
       }
+
       this.layer_map[name] = layer;
       this.current_layer = layer;
       return group;
     }
-
     /**
      * Returns whether the layer is visible.  If the layer name is not valid,
      * then this function returns `false`.
@@ -9843,12 +10581,11 @@ var Drawing = function () {
     */
 
   }, {
-    key: 'getLayerVisibility',
+    key: "getLayerVisibility",
     value: function getLayerVisibility(layerName) {
       var layer = this.layer_map[layerName];
       return layer ? layer.isVisible() : false;
     }
-
     /**
      * Sets the visibility of the layer. If the layer name is not valid, this
      * function returns `null`, otherwise it returns the `SVGElement` representing
@@ -9860,19 +10597,21 @@ var Drawing = function () {
     */
 
   }, {
-    key: 'setLayerVisibility',
+    key: "setLayerVisibility",
     value: function setLayerVisibility(layerName, bVisible) {
       if (typeof bVisible !== 'boolean') {
         return null;
       }
+
       var layer = this.layer_map[layerName];
+
       if (!layer) {
         return null;
       }
+
       layer.setVisible(bVisible);
       return layer.getGroup();
     }
-
     /**
      * Returns the opacity of the given layer.  If the input name is not a layer, `null` is returned.
      * @param {string} layerName - name of the layer on which to get the opacity
@@ -9881,15 +10620,16 @@ var Drawing = function () {
     */
 
   }, {
-    key: 'getLayerOpacity',
+    key: "getLayerOpacity",
     value: function getLayerOpacity(layerName) {
       var layer = this.layer_map[layerName];
+
       if (!layer) {
         return null;
       }
+
       return layer.getOpacity();
     }
-
     /**
      * Sets the opacity of the given layer.  If the input name is not a layer,
      * nothing happens. If opacity is not a value between 0.0 and 1.0, then
@@ -9904,17 +10644,18 @@ var Drawing = function () {
     */
 
   }, {
-    key: 'setLayerOpacity',
+    key: "setLayerOpacity",
     value: function setLayerOpacity(layerName, opacity) {
       if (typeof opacity !== 'number' || opacity < 0.0 || opacity > 1.0) {
         return;
       }
+
       var layer = this.layer_map[layerName];
+
       if (layer) {
         layer.setOpacity(opacity);
       }
     }
-
     /**
      * Create a clone of an element, updating its ID and its children's IDs when needed
      * @param {Element} el - DOM element to clone
@@ -9922,18 +10663,20 @@ var Drawing = function () {
      */
 
   }, {
-    key: 'copyElem',
+    key: "copyElem",
     value: function copyElem$$1(el) {
       var self = this;
+
       var getNextIdClosure = function getNextIdClosure() {
         return self.getNextId();
       };
+
       return copyElem(el, getNextIdClosure);
     }
   }]);
+
   return Drawing;
 }();
-
 /**
  * Called to ensure that drawings will or will not have randomized ids.
  * The currentDrawing will have its nonce set if it doesn't already.
@@ -9942,6 +10685,7 @@ var Drawing = function () {
  * @param {draw.Drawing} currentDrawing
  * @returns {undefined}
  */
+
 var randomizeIds = function randomizeIds(enableRandomization, currentDrawing) {
   randIds = enableRandomization === false ? RandomizeModes.NEVER_RANDOMIZE : RandomizeModes.ALWAYS_RANDOMIZE;
 
@@ -9950,9 +10694,7 @@ var randomizeIds = function randomizeIds(enableRandomization, currentDrawing) {
   } else if (randIds === RandomizeModes.NEVER_RANDOMIZE && currentDrawing.getNonce()) {
     currentDrawing.clearNonce();
   }
-};
-
-// Layer API Functions
+}; // Layer API Functions
 
 /**
 * Group: Layers
@@ -9969,32 +10711,39 @@ var randomizeIds = function randomizeIds(enableRandomization, currentDrawing) {
  * @property {external:jQuery.data} elData
  * @property {module:history.UndoManager} undoMgr
  */
+
 /**
  * @function module:draw.DrawCanvasInit#getCurrentGroup
  * @returns {Element}
  */
+
 /**
  * @function module:draw.DrawCanvasInit#setCurrentGroup
  * @param {Element} cg
  * @returns {undefined}
 */
+
 /**
  * @function module:draw.DrawCanvasInit#getSelectedElements
  * @returns {Element[]} the array with selected DOM elements
 */
+
 /**
  * @function module:draw.DrawCanvasInit#getSVGContent
  * @returns {SVGSVGElement}
  */
+
 /**
  * @function module:draw.DrawCanvasInit#getCurrentDrawing
  * @returns {module:draw.Drawing}
  */
+
 /**
  * @function module:draw.DrawCanvasInit#clearSelection
  * @param {boolean} [noCall] - When `true`, does not call the "selected" handler
  * @returns {undefined}
 */
+
 /**
  * Run the callback function associated with the given event
  * @function module:draw.DrawCanvasInit#call
@@ -10004,36 +10753,38 @@ var randomizeIds = function randomizeIds(enableRandomization, currentDrawing) {
  * passed. If the event is "contextset", the arg is `null` or `Element`.
  * @returns {undefined}
  */
+
 /**
  * @function module:draw.DrawCanvasInit#addCommandToHistory
  * @param {Command} cmd
  * @returns {undefined}
 */
+
 /**
  * @function module:draw.DrawCanvasInit#changeSVGContent
  * @returns {undefined}
  */
 
-var canvas_ = void 0;
+var canvas_;
 /**
 * @function module:draw.init
 * @param {module:draw.DrawCanvasInit} canvas
 * @returns {undefined}
 */
+
 var init$3 = function init(canvas) {
   canvas_ = canvas;
 };
-
 /**
 * Updates layer system
 * @function module:draw.identifyLayers
 * @returns {undefined}
 */
+
 var identifyLayers = function identifyLayers() {
   leaveContext();
   canvas_.getCurrentDrawing().identifyLayers();
 };
-
 /**
 * Creates a new top-level layer in the drawing with the given name, sets the current layer
 * to it, and then clears the selection. This function then calls the 'changed' handler.
@@ -10044,12 +10795,12 @@ var identifyLayers = function identifyLayers() {
 * @fires module:svgcanvas.SvgCanvas#event:changed
 * @returns {undefined}
 */
+
 var createLayer = function createLayer(name, hrService) {
   var newLayer = canvas_.getCurrentDrawing().createLayer(name, historyRecordingService(hrService));
   canvas_.clearSelection();
   canvas_.call('changed', [newLayer]);
 };
-
 /**
  * Creates a new top-level layer in the drawing with the given name, copies all the current layer's contents
  * to it, and then clears the selection. This function then calls the 'changed' handler.
@@ -10060,15 +10811,14 @@ var createLayer = function createLayer(name, hrService) {
  * @fires module:svgcanvas.SvgCanvas#event:changed
  * @returns {undefined}
  */
+
 var cloneLayer = function cloneLayer(name, hrService) {
   // Clone the current layer and make the cloned layer the new current layer
   var newLayer = canvas_.getCurrentDrawing().cloneLayer(name, historyRecordingService(hrService));
-
   canvas_.clearSelection();
   leaveContext();
   canvas_.call('changed', [newLayer]);
 };
-
 /**
 * Deletes the current layer from the drawing and then clears the selection. This function
 * then calls the 'changed' handler. This is an undoable action.
@@ -10076,25 +10826,26 @@ var cloneLayer = function cloneLayer(name, hrService) {
 * @fires module:svgcanvas.SvgCanvas#event:changed
 * @returns {boolean} `true` if an old layer group was found to delete
 */
+
 var deleteCurrentLayer = function deleteCurrentLayer() {
   var currentLayer = canvas_.getCurrentDrawing().getCurrentLayer();
   var _currentLayer = currentLayer,
       nextSibling = _currentLayer.nextSibling;
-
   var parent = currentLayer.parentNode;
   currentLayer = canvas_.getCurrentDrawing().deleteCurrentLayer();
+
   if (currentLayer) {
-    var batchCmd = new BatchCommand('Delete Layer');
-    // store in our Undo History
+    var batchCmd = new BatchCommand('Delete Layer'); // store in our Undo History
+
     batchCmd.addSubCommand(new RemoveElementCommand(currentLayer, nextSibling, parent));
     canvas_.addCommandToHistory(batchCmd);
     canvas_.clearSelection();
     canvas_.call('changed', [parent]);
     return true;
   }
+
   return false;
 };
-
 /**
 * Sets the current layer. If the name is not a valid layer name, then this function returns
 * false. Otherwise it returns true. This is not an undo-able action.
@@ -10102,14 +10853,16 @@ var deleteCurrentLayer = function deleteCurrentLayer() {
 * @param {string} name - The name of the layer you want to switch to.
 * @returns {boolean} true if the current layer was switched, otherwise false
 */
+
 var setCurrentLayer = function setCurrentLayer(name) {
   var result = canvas_.getCurrentDrawing().setCurrentLayer(toXml(name));
+
   if (result) {
     canvas_.clearSelection();
   }
+
   return result;
 };
-
 /**
 * Renames the current layer. If the layer name is not valid (i.e. unique), then this function
 * does nothing and returns `false`, otherwise it returns `true`. This is an undo-able action.
@@ -10119,19 +10872,22 @@ var setCurrentLayer = function setCurrentLayer(name) {
 * @fires module:svgcanvas.SvgCanvas#event:changed
 * @returns {boolean} Whether the rename succeeded
 */
+
 var renameCurrentLayer = function renameCurrentLayer(newName) {
   var drawing = canvas_.getCurrentDrawing();
   var layer = drawing.getCurrentLayer();
+
   if (layer) {
     var result = drawing.setCurrentLayerName(newName, historyRecordingService());
+
     if (result) {
       canvas_.call('changed', [layer]);
       return true;
     }
   }
+
   return false;
 };
-
 /**
 * Changes the position of the current layer to the new value. If the new index is not valid,
 * this function does nothing and returns false, otherwise it returns true. This is an
@@ -10141,16 +10897,18 @@ var renameCurrentLayer = function renameCurrentLayer(newName) {
 * 0 and (number of layers - 1)
 * @returns {boolean} `true` if the current layer position was changed, `false` otherwise.
 */
+
 var setCurrentLayerPosition = function setCurrentLayerPosition(newPos) {
   var drawing = canvas_.getCurrentDrawing();
   var result = drawing.setCurrentLayerPosition(newPos);
+
   if (result) {
     canvas_.addCommandToHistory(new MoveElementCommand(result.currentGroup, result.oldNextSibling, canvas_.getSVGContent()));
     return true;
   }
+
   return false;
 };
-
 /**
 * Sets the visibility of the layer. If the layer name is not valid, this function return
 * `false`, otherwise it returns `true`. This is an undo-able action.
@@ -10159,13 +10917,17 @@ var setCurrentLayerPosition = function setCurrentLayerPosition(newPos) {
 * @param {boolean} bVisible - Whether the layer should be visible
 * @returns {boolean} true if the layer's visibility was set, false otherwise
 */
+
 var setLayerVisibility = function setLayerVisibility(layerName, bVisible) {
   var drawing = canvas_.getCurrentDrawing();
   var prevVisibility = drawing.getLayerVisibility(layerName);
   var layer = drawing.setLayerVisibility(layerName, bVisible);
+
   if (layer) {
     var oldDisplay = prevVisibility ? 'inline' : 'none';
-    canvas_.addCommandToHistory(new ChangeElementCommand(layer, { display: oldDisplay }, 'Layer Visibility'));
+    canvas_.addCommandToHistory(new ChangeElementCommand(layer, {
+      display: oldDisplay
+    }, 'Layer Visibility'));
   } else {
     return false;
   }
@@ -10173,11 +10935,11 @@ var setLayerVisibility = function setLayerVisibility(layerName, bVisible) {
   if (layer === drawing.getCurrentLayer()) {
     canvas_.clearSelection();
     canvas_.pathActions.clear();
-  }
-  // call('changed', [selected]);
+  } // call('changed', [selected]);
+
+
   return true;
 };
-
 /**
 * Moves the selected elements to layerName. If the name is not a valid layer name, then `false`
 * is returned. Otherwise it returns `true`. This is an undo-able action.
@@ -10185,60 +10947,62 @@ var setLayerVisibility = function setLayerVisibility(layerName, bVisible) {
 * @param {string} layerName - The name of the layer you want to which you want to move the selected elements
 * @returns {boolean} Whether the selected elements were moved to the layer.
 */
+
 var moveSelectedToLayer = function moveSelectedToLayer(layerName) {
   // find the layer
   var drawing = canvas_.getCurrentDrawing();
   var layer = drawing.getLayerByName(layerName);
+
   if (!layer) {
     return false;
   }
 
-  var batchCmd = new BatchCommand('Move Elements to Layer');
+  var batchCmd = new BatchCommand('Move Elements to Layer'); // loop for each selected element and move it
 
-  // loop for each selected element and move it
   var selElems = canvas_.getSelectedElements();
   var i = selElems.length;
+
   while (i--) {
     var elem = selElems[i];
+
     if (!elem) {
       continue;
     }
-    var oldNextSibling = elem.nextSibling;
-    // TODO: this is pretty brittle!
+
+    var oldNextSibling = elem.nextSibling; // TODO: this is pretty brittle!
+
     var oldLayer = elem.parentNode;
     layer.append(elem);
     batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldLayer));
   }
 
   canvas_.addCommandToHistory(batchCmd);
-
   return true;
 };
-
 /**
 * @function module:draw.mergeLayer
 * @param {module:history.HistoryRecordingService} hrService
 * @returns {undefined}
 */
+
 var mergeLayer = function mergeLayer(hrService) {
   canvas_.getCurrentDrawing().mergeLayer(historyRecordingService(hrService));
   canvas_.clearSelection();
   leaveContext();
   canvas_.changeSVGContent();
 };
-
 /**
 * @function module:draw.mergeAllLayers
 * @param {module:history.HistoryRecordingService} hrService
 * @returns {undefined}
 */
+
 var mergeAllLayers = function mergeAllLayers(hrService) {
   canvas_.getCurrentDrawing().mergeAllLayers(historyRecordingService(hrService));
   canvas_.clearSelection();
   leaveContext();
   canvas_.changeSVGContent();
 };
-
 /**
 * Return from a group context to the regular kind, make any previously
 * disabled elements enabled again
@@ -10246,26 +11010,31 @@ var mergeAllLayers = function mergeAllLayers(hrService) {
 * @fires module:svgcanvas.SvgCanvas#event:contextset
 * @returns {undefined}
 */
+
 var leaveContext = function leaveContext() {
   var len = disabledElems.length;
+
   if (len) {
     for (var i = 0; i < len; i++) {
       var elem = disabledElems[i];
       var orig = canvas_.elData(elem, 'orig_opac');
+
       if (orig !== 1) {
         elem.setAttribute('opacity', orig);
       } else {
         elem.removeAttribute('opacity');
       }
+
       elem.setAttribute('style', 'pointer-events: inherit');
     }
+
     disabledElems = [];
     canvas_.clearSelection(true);
     canvas_.call('contextset', null);
   }
+
   canvas_.setCurrentGroup(null);
 };
-
 /**
 * Set the current context (for in-group editing)
 * @function module:draw.setContext
@@ -10273,25 +11042,25 @@ var leaveContext = function leaveContext() {
 * @fires module:svgcanvas.SvgCanvas#event:contextset
 * @returns {undefined}
 */
+
 var setContext = function setContext(elem) {
   leaveContext();
+
   if (typeof elem === 'string') {
     elem = getElem(elem);
-  }
+  } // Edit inside this group
 
-  // Edit inside this group
-  canvas_.setCurrentGroup(elem);
 
-  // Disable other elements
+  canvas_.setCurrentGroup(elem); // Disable other elements
+
   $$5(elem).parentsUntil('#svgcontent').andSelf().siblings().each(function () {
-    var opac = this.getAttribute('opacity') || 1;
-    // Store the original's opacity
+    var opac = this.getAttribute('opacity') || 1; // Store the original's opacity
+
     canvas_.elData(this, 'orig_opac', opac);
     this.setAttribute('opacity', opac * 0.33);
     this.setAttribute('style', 'pointer-events: none');
     disabledElems.push(this);
   });
-
   canvas_.clearSelection();
   canvas_.call('contextset', canvas_.getCurrentGroup());
 };
@@ -10316,17 +11085,8 @@ var draw = /*#__PURE__*/Object.freeze({
   Layer: Layer
 });
 
-/**
- * Tools for SVG sanitization
- * @module sanitize
- * @license MIT
- *
- * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller
- */
+var REVERSE_NS = getReverseNS(); // this defines which elements and attributes that we support
 
-var REVERSE_NS = getReverseNS();
-
-// this defines which elements and attributes that we support
 var svgWhiteList_ = {
   // SVG Elements
   a: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'mask', 'opacity', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'xlink:href', 'xlink:title'],
@@ -10361,7 +11121,6 @@ var svgWhiteList_ = {
   title: [],
   tspan: ['class', 'clip-path', 'clip-rule', 'dx', 'dy', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'font-family', 'font-size', 'font-style', 'font-weight', 'id', 'mask', 'opacity', 'requiredFeatures', 'rotate', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'text-anchor', 'textLength', 'transform', 'x', 'xml:space', 'y'],
   use: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'height', 'id', 'mask', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'transform', 'width', 'x', 'xlink:href', 'y'],
-
   // MathML Elements
   annotation: ['encoding'],
   'annotation-xml': ['encoding'],
@@ -10394,18 +11153,17 @@ var svgWhiteList_ = {
   munderover: [],
   none: [],
   semantics: []
-};
+}; // Produce a Namespace-aware version of svgWhitelist
 
-// Produce a Namespace-aware version of svgWhitelist
 var svgWhiteListNS_ = {};
 Object.entries(svgWhiteList_).forEach(function (_ref) {
-  var _ref2 = slicedToArray(_ref, 2),
+  var _ref2 = _slicedToArray(_ref, 2),
       elt = _ref2[0],
       atts = _ref2[1];
 
   var attNS = {};
   Object.entries(atts).forEach(function (_ref3) {
-    var _ref4 = slicedToArray(_ref3, 2),
+    var _ref4 = _slicedToArray(_ref3, 2),
         i = _ref4[0],
         att = _ref4[1];
 
@@ -10418,7 +11176,6 @@ Object.entries(svgWhiteList_).forEach(function (_ref) {
   });
   svgWhiteListNS_[elt] = attNS;
 });
-
 /**
 * Sanitizes the input node and its children.
 * It only keeps what is allowed from our whitelist defined above.
@@ -10426,47 +11183,49 @@ Object.entries(svgWhiteList_).forEach(function (_ref) {
 * @param {Text|Element} node - The DOM element to be checked (we'll also check its children) or text node to be cleaned up
 * @returns {undefined}
 */
+
 var sanitizeSvg = function sanitizeSvg(node) {
   // Cleanup text nodes
   if (node.nodeType === 3) {
     // 3 === TEXT_NODE
     // Trim whitespace
-    node.nodeValue = node.nodeValue.replace(/^\s+|\s+$/g, '');
-    // Remove if empty
+    node.nodeValue = node.nodeValue.replace(/^\s+|\s+$/g, ''); // Remove if empty
+
     if (!node.nodeValue.length) {
       node.remove();
     }
-  }
-
-  // We only care about element nodes.
+  } // We only care about element nodes.
   // Automatically return for all non-element nodes, such as comments, etc.
+
+
   if (node.nodeType !== 1) {
     // 1 == ELEMENT_NODE
     return;
   }
 
   var doc = node.ownerDocument;
-  var parent = node.parentNode;
-  // can parent ever be null here?  I think the root node's parent is the document...
+  var parent = node.parentNode; // can parent ever be null here?  I think the root node's parent is the document...
+
   if (!doc || !parent) {
     return;
   }
 
   var allowedAttrs = svgWhiteList_[node.nodeName];
-  var allowedAttrsNS = svgWhiteListNS_[node.nodeName];
-  // if this element is supported, sanitize it
+  var allowedAttrsNS = svgWhiteListNS_[node.nodeName]; // if this element is supported, sanitize it
+
   if (typeof allowedAttrs !== 'undefined') {
     var seAttrs = [];
     var i = node.attributes.length;
+
     while (i--) {
       // if the attribute is not in our whitelist, then remove it
       // could use jQuery's inArray(), but I don't know if that's any better
       var attr = node.attributes.item(i);
       var attrName = attr.nodeName;
       var attrLocalName = attr.localName;
-      var attrNsURI = attr.namespaceURI;
-      // Check that an attribute with the correct localName in the correct namespace is on
+      var attrNsURI = attr.namespaceURI; // Check that an attribute with the correct localName in the correct namespace is on
       // our whitelist or is a namespace declaration for one of our allowed namespaces
+
       if (!(allowedAttrsNS.hasOwnProperty(attrLocalName) && attrNsURI === allowedAttrsNS[attrLocalName] && attrNsURI !== NS.XMLNS) && !(attrNsURI === NS.XMLNS && REVERSE_NS[attr.value])) {
         // TODO(codedread): Programmatically add the se: attributes to the NS-aware whitelist.
         // Bypassing the whitelist to allow se: prefixes.
@@ -10474,10 +11233,11 @@ var sanitizeSvg = function sanitizeSvg(node) {
         if (attrName.startsWith('se:') || attrName.startsWith('data-')) {
           seAttrs.push([attrName, attr.value]);
         }
-        node.removeAttributeNS(attrNsURI, attrLocalName);
-      }
 
-      // Add spaces before negative signs where necessary
+        node.removeAttributeNS(attrNsURI, attrLocalName);
+      } // Add spaces before negative signs where necessary
+
+
       if (isGecko()) {
         switch (attrName) {
           case 'transform':
@@ -10487,40 +11247,44 @@ var sanitizeSvg = function sanitizeSvg(node) {
             node.setAttribute(attrName, val);
             break;
         }
-      }
+      } // For the style attribute, rewrite it in terms of XML presentational attributes
+
 
-      // For the style attribute, rewrite it in terms of XML presentational attributes
       if (attrName === 'style') {
         var props = attr.value.split(';');
         var p = props.length;
+
         while (p--) {
           var _props$p$split = props[p].split(':'),
-              _props$p$split2 = slicedToArray(_props$p$split, 2),
+              _props$p$split2 = _slicedToArray(_props$p$split, 2),
               name = _props$p$split2[0],
               _val = _props$p$split2[1];
 
           var styleAttrName = (name || '').trim();
-          var styleAttrVal = (_val || '').trim();
-          // Now check that this attribute is supported
+
+          var styleAttrVal = (_val || '').trim(); // Now check that this attribute is supported
+
+
           if (allowedAttrs.includes(styleAttrName)) {
             node.setAttribute(styleAttrName, styleAttrVal);
           }
         }
+
         node.removeAttribute('style');
       }
     }
 
     Object.values(seAttrs).forEach(function (_ref5) {
-      var _ref6 = slicedToArray(_ref5, 2),
+      var _ref6 = _slicedToArray(_ref5, 2),
           att = _ref6[0],
           val = _ref6[1];
 
       node.setAttributeNS(NS.SE, att, val);
-    });
-
-    // for some elements that have a xlink:href, ensure the URI refers to a local element
+    }); // for some elements that have a xlink:href, ensure the URI refers to a local element
     // (but not for links)
+
     var href = getHref(node);
+
     if (href && ['filter', 'linearGradient', 'pattern', 'radialGradient', 'textPath', 'use'].includes(node.nodeName)) {
       // TODO: we simply check if the first character is a #, is this bullet-proof?
       if (href[0] !== '#') {
@@ -10528,46 +11292,49 @@ var sanitizeSvg = function sanitizeSvg(node) {
         setHref(node, '');
         node.removeAttributeNS(NS.XLINK, 'href');
       }
-    }
+    } // Safari crashes on a <use> without a xlink:href, so we just remove the node here
+
 
-    // Safari crashes on a <use> without a xlink:href, so we just remove the node here
     if (node.nodeName === 'use' && !getHref(node)) {
       node.remove();
       return;
-    }
-    // if the element has attributes pointing to a non-local reference,
+    } // if the element has attributes pointing to a non-local reference,
     // need to remove the attribute
+
+
     Object.values(['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'], function (attr) {
       var val = node.getAttribute(attr);
+
       if (val) {
-        val = getUrlFromAttr(val);
-        // simply check for first character being a '#'
+        val = getUrlFromAttr(val); // simply check for first character being a '#'
+
         if (val && val[0] !== '#') {
           node.setAttribute(attr, '');
           node.removeAttribute(attr);
         }
       }
-    });
+    }); // recurse to children
 
-    // recurse to children
     i = node.childNodes.length;
+
     while (i--) {
       sanitizeSvg(node.childNodes.item(i));
-    }
-    // else (element not supported), remove it
+    } // else (element not supported), remove it
+
   } else {
     // remove all children from this node and insert them before this node
     // FIXME: in the case of animation elements this will hardly ever be correct
     var children = [];
+
     while (node.hasChildNodes()) {
       children.push(parent.insertBefore(node.firstChild, node));
-    }
+    } // remove this node from the document altogether
 
-    // remove this node from the document altogether
-    node.remove();
 
-    // call sanitizeSvg on each of those children
+    node.remove(); // call sanitizeSvg on each of those children
+
     var _i = children.length;
+
     while (_i--) {
       sanitizeSvg(children[_i]);
     }
@@ -10575,43 +11342,43 @@ var sanitizeSvg = function sanitizeSvg(node) {
 };
 
 /* globals jQuery */
+var $$6 = jQuery; // this is how we map paths to our preferred relative segment types
 
-var $$6 = jQuery;
-
-// this is how we map paths to our preferred relative segment types
 var pathMap$1 = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a', 'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];
-
 /**
  * @interface module:coords.EditorContext
  */
+
 /**
  * @function module:coords.EditorContext#getGridSnapping
  * @returns {boolean}
  */
+
 /**
  * @function module:coords.EditorContext#getDrawing
  * @returns {module:draw.Drawing}
 */
+
 /**
  * @function module:coords.EditorContext#getSVGRoot
  * @returns {SVGSVGElement}
 */
 
 var editorContext_$2 = null;
-
 /**
 * @function module:coords.init
 * @param {module:coords.EditorContext} editorContext
 */
+
 var init$4 = function init(editorContext) {
   editorContext_$2 = editorContext;
 };
-
 /**
  * Applies coordinate changes to an element based on the given matrix
  * @function module:coords.remapElement
  * @implements {module:path.EditorContext#remapElement}
 */
+
 var remapElement = function remapElement(selected, changes, m) {
   var remap = function remap(x, y) {
     return transformPoint(x, y, m);
@@ -10629,6 +11396,7 @@ var remapElement = function remapElement(selected, changes, m) {
         changes[o] = snapToGrid(changes[o]);
       }
     }
+
     assignAttributes(selected, changes, 1000, true);
   },
       box = getBBox(selected);
@@ -10636,10 +11404,12 @@ var remapElement = function remapElement(selected, changes, m) {
   for (var i = 0; i < 2; i++) {
     var type = i === 0 ? 'fill' : 'stroke';
     var attrVal = selected.getAttribute(type);
+
     if (attrVal && attrVal.startsWith('url(')) {
       if (m.a < 0 || m.d < 0) {
         var grad = getRefElem(attrVal);
         var newgrad = grad.cloneNode(true);
+
         if (m.a < 0) {
           // flip x
           var x1 = newgrad.getAttribute('x1');
@@ -10655,19 +11425,20 @@ var remapElement = function remapElement(selected, changes, m) {
           newgrad.setAttribute('y1', -(y1 - 1));
           newgrad.setAttribute('y2', -(y2 - 1));
         }
+
         newgrad.id = editorContext_$2.getDrawing().getNextId();
         findDefs().append(newgrad);
         selected.setAttribute(type, 'url(#' + newgrad.id + ')');
-      }
-
-      // Not really working :(
+      } // Not really working :(
       // if (selected.tagName === 'path') {
       //   reorientGrads(selected, m);
       // }
+
     }
   }
 
   var elName = selected.tagName;
+
   if (elName === 'g' || elName === 'text' || elName === 'tspan' || elName === 'use') {
     // if it was a translate, then just update x,y
     if (m.a === 1 && m.b === 0 && m.c === 0 && m.d === 1 && (m.e !== 0 || m.f !== 0)) {
@@ -10685,10 +11456,10 @@ var remapElement = function remapElement(selected, changes, m) {
       chlist.clear();
       chlist.appendItem(mt);
     }
-  }
-
-  // now we have a set of changes and an applied reduced transform list
+  } // now we have a set of changes and an applied reduced transform list
   // we apply the changes directly to the DOM
+
+
   switch (elName) {
     case 'foreignObject':
     case 'rect':
@@ -10698,9 +11469,13 @@ var remapElement = function remapElement(selected, changes, m) {
         if (elName === 'image' && (m.a < 0 || m.d < 0)) {
           // Convert to matrix
           var _chlist = getTransformList(selected);
+
           var _mt = editorContext_$2.getSVGRoot().createSVGTransform();
+
           _mt.setMatrix(matrixMultiply(transformListToTransform(_chlist).matrix, m));
+
           _chlist.clear();
+
           _chlist.appendItem(_mt);
         } else {
           var pt1 = remap(changes.x, changes.y);
@@ -10711,9 +11486,12 @@ var remapElement = function remapElement(selected, changes, m) {
           changes.width = Math.abs(changes.width);
           changes.height = Math.abs(changes.height);
         }
+
         finishUp();
         break;
-      }case 'ellipse':
+      }
+
+    case 'ellipse':
       {
         var c = remap(changes.cx, changes.cy);
         changes.cx = c.x;
@@ -10724,12 +11502,15 @@ var remapElement = function remapElement(selected, changes, m) {
         changes.ry = Math.abs(changes.ry);
         finishUp();
         break;
-      }case 'circle':
+      }
+
+    case 'circle':
       {
         var _c = remap(changes.cx, changes.cy);
+
         changes.cx = _c.x;
-        changes.cy = _c.y;
-        // take the minimum of the new selected box's dimensions for the new circle radius
+        changes.cy = _c.y; // take the minimum of the new selected box's dimensions for the new circle radius
+
         var tbox = transformBox(box.x, box.y, box.width, box.height, m);
         var w = tbox.tr.x - tbox.tl.x,
             h = tbox.bl.y - tbox.tl.y;
@@ -10738,34 +11519,47 @@ var remapElement = function remapElement(selected, changes, m) {
         if (changes.r) {
           changes.r = Math.abs(changes.r);
         }
+
         finishUp();
         break;
-      }case 'line':
+      }
+
+    case 'line':
       {
         var _pt = remap(changes.x1, changes.y1);
+
         var pt2 = remap(changes.x2, changes.y2);
         changes.x1 = _pt.x;
         changes.y1 = _pt.y;
         changes.x2 = pt2.x;
         changes.y2 = pt2.y;
-      } // Fallthrough
+      }
+    // Fallthrough
+
     case 'text':
     case 'tspan':
     case 'use':
       {
         finishUp();
         break;
-      }case 'g':
+      }
+
+    case 'g':
       {
         var gsvg = $$6(selected).data('gsvg');
+
         if (gsvg) {
           assignAttributes(gsvg, changes, 1000, true);
         }
+
         break;
-      }case 'polyline':
+      }
+
+    case 'polyline':
     case 'polygon':
       {
         var len = changes.points.length;
+
         for (var _i = 0; _i < len; ++_i) {
           var pt = changes.points[_i];
 
@@ -10775,21 +11569,26 @@ var remapElement = function remapElement(selected, changes, m) {
 
           changes.points[_i].x = x;
           changes.points[_i].y = y;
-        }
+        } // const len = changes.points.length;
+
 
-        // const len = changes.points.length;
         var pstr = '';
+
         for (var _i2 = 0; _i2 < len; ++_i2) {
           var _pt2 = changes.points[_i2];
           pstr += _pt2.x + ',' + _pt2.y + ' ';
         }
+
         selected.setAttribute('points', pstr);
         break;
-      }case 'path':
+      }
+
+    case 'path':
       {
         var segList = selected.pathSegList;
         var _len = segList.numberOfItems;
         changes.d = [];
+
         for (var _i3 = 0; _i3 < _len; ++_i3) {
           var seg = segList.getItem(_i3);
           changes.d[_i3] = {
@@ -10813,10 +11612,10 @@ var remapElement = function remapElement(selected, changes, m) {
             currentpt = remap(firstseg.x, firstseg.y);
         changes.d[0].x = currentpt.x;
         changes.d[0].y = currentpt.y;
+
         for (var _i4 = 1; _i4 < _len; ++_i4) {
           var _seg = changes.d[_i4];
-          var _type = _seg.type;
-          // if absolute or first segment, we want to remap x, y, x1, y1, x2, y2
+          var _type = _seg.type; // if absolute or first segment, we want to remap x, y, x1, y1, x2, y2
           // if relative, we want to scalew, scaleh
 
           if (_type % 2 === 0) {
@@ -10824,9 +11623,13 @@ var remapElement = function remapElement(selected, changes, m) {
             var thisx = _seg.x !== undefined ? _seg.x : currentpt.x,
                 // for V commands
             thisy = _seg.y !== undefined ? _seg.y : currentpt.y; // for H commands
+
             var _pt3 = remap(thisx, thisy);
+
             var _pt4 = remap(_seg.x1, _seg.y1);
+
             var _pt5 = remap(_seg.x2, _seg.y2);
+
             _seg.x = _pt3.x;
             _seg.y = _pt3.y;
             _seg.x1 = _pt4.x;
@@ -10848,49 +11651,68 @@ var remapElement = function remapElement(selected, changes, m) {
           }
         } // for each segment
 
+
         var dstr = '';
         _len = changes.d.length;
+
         for (var _i5 = 0; _i5 < _len; ++_i5) {
           var _seg2 = changes.d[_i5];
           var _type2 = _seg2.type;
-
           dstr += pathMap$1[_type2];
+
           switch (_type2) {
             case 13: // relative horizontal line (h)
+
             case 12:
               // absolute horizontal line (H)
               dstr += _seg2.x + ' ';
               break;
+
             case 15: // relative vertical line (v)
+
             case 14:
               // absolute vertical line (V)
               dstr += _seg2.y + ' ';
               break;
+
             case 3: // relative move (m)
+
             case 5: // relative line (l)
+
             case 19: // relative smooth quad (t)
+
             case 2: // absolute move (M)
+
             case 4: // absolute line (L)
+
             case 18:
               // absolute smooth quad (T)
               dstr += _seg2.x + ',' + _seg2.y + ' ';
               break;
+
             case 7: // relative cubic (c)
+
             case 6:
               // absolute cubic (C)
               dstr += _seg2.x1 + ',' + _seg2.y1 + ' ' + _seg2.x2 + ',' + _seg2.y2 + ' ' + _seg2.x + ',' + _seg2.y + ' ';
               break;
+
             case 9: // relative quad (q)
+
             case 8:
               // absolute quad (Q)
               dstr += _seg2.x1 + ',' + _seg2.y1 + ' ' + _seg2.x + ',' + _seg2.y + ' ';
               break;
+
             case 11: // relative elliptical arc (a)
+
             case 10:
               // absolute elliptical arc (A)
               dstr += _seg2.r1 + ',' + _seg2.r2 + ' ' + _seg2.angle + ' ' + +_seg2.largeArcFlag + ' ' + +_seg2.sweepFlag + ' ' + _seg2.x + ',' + _seg2.y + ' ';
               break;
+
             case 17: // relative smooth cubic (s)
+
             case 16:
               // absolute smooth cubic (S)
               dstr += _seg2.x2 + ',' + _seg2.y2 + ' ' + _seg2.x + ',' + _seg2.y + ' ';
@@ -10905,22 +11727,22 @@ var remapElement = function remapElement(selected, changes, m) {
 };
 
 /* globals jQuery */
-
 var $$7 = jqPluginSVG(jQuery);
-
-var context_ = void 0;
-
+var context_;
 /**
 * @interface module:recalculate.EditorContext
 */
+
 /**
  * @function module:recalculate.EditorContext#getSVGRoot
  * @returns {SVGSVGElement} The root DOM element
  */
+
 /**
  * @function module:recalculate.EditorContext#getStartTransform
  * @returns {string}
 */
+
 /**
  * @function module:recalculate.EditorContext#setStartTransform
  * @param {string} transform
@@ -10932,10 +11754,10 @@ var context_ = void 0;
 * @param {module:recalculate.EditorContext} editorContext
 * @returns {undefined}
 */
+
 var init$5 = function init$$1(editorContext) {
   context_ = editorContext;
 };
-
 /**
 * Updates a `<clipPath>`s values based on the given translation of an element
 * @function module:recalculate.updateClipPath
@@ -10944,46 +11766,45 @@ var init$5 = function init$$1(editorContext) {
 * @param {Float} ty - The translation's y value
 * @returns {undefined}
 */
+
 var updateClipPath = function updateClipPath(attr, tx, ty) {
   var path = getRefElem(attr).firstChild;
   var cpXform = getTransformList(path);
   var newxlate = context_.getSVGRoot().createSVGTransform();
   newxlate.setTranslate(tx, ty);
+  cpXform.appendItem(newxlate); // Update clipPath's dimensions
 
-  cpXform.appendItem(newxlate);
-
-  // Update clipPath's dimensions
   recalculateDimensions(path);
 };
-
 /**
 * Decides the course of action based on the element's transform list
 * @function module:recalculate.recalculateDimensions
 * @param {Element} selected - The DOM element to recalculate
 * @returns {Command} Undo command object with the resulting change
 */
+
 var recalculateDimensions = function recalculateDimensions(selected) {
   if (selected == null) {
     return null;
-  }
+  } // Firefox Issue - 1081
+
 
-  // Firefox Issue - 1081
   if (selected.nodeName === 'svg' && navigator.userAgent.includes('Firefox/20')) {
     return null;
   }
 
   var svgroot = context_.getSVGRoot();
-  var tlist = getTransformList(selected);
+  var tlist = getTransformList(selected); // remove any unnecessary transforms
 
-  // remove any unnecessary transforms
   if (tlist && tlist.numberOfItems > 0) {
     var k = tlist.numberOfItems;
     var noi = k;
+
     while (k--) {
       var xform = tlist.getItem(k);
+
       if (xform.type === 0) {
-        tlist.removeItem(k);
-        // remove identity matrices
+        tlist.removeItem(k); // remove identity matrices
       } else if (xform.type === 1) {
         if (isIdentity(xform.matrix)) {
           if (noi === 1) {
@@ -10994,64 +11815,69 @@ var recalculateDimensions = function recalculateDimensions(selected) {
             selected.removeAttribute('transform');
             return null;
           }
+
           tlist.removeItem(k);
-        }
-        // remove zero-degree rotations
+        } // remove zero-degree rotations
+
       } else if (xform.type === 4) {
         if (xform.angle === 0) {
           tlist.removeItem(k);
         }
       }
-    }
-    // End here if all it has is a rotation
+    } // End here if all it has is a rotation
+
+
     if (tlist.numberOfItems === 1 && getRotationAngle(selected)) {
       return null;
     }
-  }
+  } // if this element had no transforms, we are done
+
 
-  // if this element had no transforms, we are done
   if (!tlist || tlist.numberOfItems === 0) {
     // Chrome apparently had a bug that requires clearing the attribute first.
-    selected.setAttribute('transform', '');
-    // However, this still next line currently doesn't work at all in Chrome
-    selected.removeAttribute('transform');
-    // selected.transform.baseVal.clear(); // Didn't help for Chrome bug
-    return null;
-  }
+    selected.setAttribute('transform', ''); // However, this still next line currently doesn't work at all in Chrome
+
+    selected.removeAttribute('transform'); // selected.transform.baseVal.clear(); // Didn't help for Chrome bug
+
+    return null;
+  } // TODO: Make this work for more than 2
+
 
-  // TODO: Make this work for more than 2
   if (tlist) {
     var mxs = [];
     var _k = tlist.numberOfItems;
+
     while (_k--) {
       var _xform = tlist.getItem(_k);
+
       if (_xform.type === 1) {
         mxs.push([_xform.matrix, _k]);
       } else if (mxs.length) {
         mxs = [];
       }
     }
+
     if (mxs.length === 2) {
       var mNew = svgroot.createSVGTransformFromMatrix(matrixMultiply(mxs[1][0], mxs[0][0]));
       tlist.removeItem(mxs[0][1]);
       tlist.removeItem(mxs[1][1]);
       tlist.insertItemBefore(mNew, mxs[1][1]);
-    }
+    } // combine matrix + translate
+
 
-    // combine matrix + translate
     _k = tlist.numberOfItems;
+
     if (_k >= 2 && tlist.getItem(_k - 2).type === 1 && tlist.getItem(_k - 1).type === 2) {
       var mt = svgroot.createSVGTransform();
-
       var m = matrixMultiply(tlist.getItem(_k - 2).matrix, tlist.getItem(_k - 1).matrix);
       mt.setMatrix(m);
       tlist.removeItem(_k - 2);
       tlist.removeItem(_k - 2);
       tlist.appendItem(mt);
     }
-  }
+  } // If it still has a single [M] or [R][M], return null too (prevents BatchCommand from being returned).
+
 
-  // If it still has a single [M] or [R][M], return null too (prevents BatchCommand from being returned).
   switch (selected.tagName) {
     // Ignore these elements, as they can absorb the [M]
     case 'line':
@@ -11059,42 +11885,48 @@ var recalculateDimensions = function recalculateDimensions(selected) {
     case 'polygon':
     case 'path':
       break;
+
     default:
       if (tlist.numberOfItems === 1 && tlist.getItem(0).type === 1 || tlist.numberOfItems === 2 && tlist.getItem(0).type === 1 && tlist.getItem(0).type === 4) {
         return null;
       }
-  }
 
-  // Grouped SVG element
-  var gsvg = $$7(selected).data('gsvg');
+  } // Grouped SVG element
 
-  // we know we have some transforms, so set up return variable
-  var batchCmd = new BatchCommand('Transform');
 
-  // store initial values that will be affected by reducing the transform list
+  var gsvg = $$7(selected).data('gsvg'); // we know we have some transforms, so set up return variable
+
+  var batchCmd = new BatchCommand('Transform'); // store initial values that will be affected by reducing the transform list
+
   var changes = {};
   var initial = null;
   var attrs = [];
+
   switch (selected.tagName) {
     case 'line':
       attrs = ['x1', 'y1', 'x2', 'y2'];
       break;
+
     case 'circle':
       attrs = ['cx', 'cy', 'r'];
       break;
+
     case 'ellipse':
       attrs = ['cx', 'cy', 'rx', 'ry'];
       break;
+
     case 'foreignObject':
     case 'rect':
     case 'image':
       attrs = ['width', 'height', 'x', 'y'];
       break;
+
     case 'use':
     case 'text':
     case 'tspan':
       attrs = ['x', 'y'];
       break;
+
     case 'polygon':
     case 'polyline':
       {
@@ -11103,18 +11935,26 @@ var recalculateDimensions = function recalculateDimensions(selected) {
         var list = selected.points;
         var len = list.numberOfItems;
         changes.points = new Array(len);
+
         for (var i = 0; i < len; ++i) {
           var pt = list.getItem(i);
-          changes.points[i] = { x: pt.x, y: pt.y };
+          changes.points[i] = {
+            x: pt.x,
+            y: pt.y
+          };
         }
+
         break;
-      }case 'path':
+      }
+
+    case 'path':
       initial = {};
       initial.d = selected.getAttribute('d');
       changes.d = selected.getAttribute('d');
       break;
   } // switch on element type to get initial values
 
+
   if (attrs.length) {
     changes = $$7(selected).attr(attrs);
     $$7.each(changes, function (attr, val) {
@@ -11126,43 +11966,46 @@ var recalculateDimensions = function recalculateDimensions(selected) {
       x: $$7(gsvg).attr('x') || 0,
       y: $$7(gsvg).attr('y') || 0
     };
-  }
-
-  // if we haven't created an initial array in polygon/polyline/path, then
+  } // if we haven't created an initial array in polygon/polyline/path, then
   // make a copy of initial values and include the transform
+
+
   if (initial == null) {
     initial = $$7.extend(true, {}, changes);
     $$7.each(initial, function (attr, val) {
       initial[attr] = convertToNum(attr, val);
     });
-  }
-  // save the start transform value too
+  } // save the start transform value too
+
+
   initial.transform = context_.getStartTransform() || '';
+  var oldcenter, newcenter; // if it's a regular group, we have special processing to flatten transforms
 
-  var oldcenter = void 0,
-      newcenter = void 0;
-
-  // if it's a regular group, we have special processing to flatten transforms
   if (selected.tagName === 'g' && !gsvg || selected.tagName === 'a') {
     var box = getBBox(selected);
-
-    oldcenter = { x: box.x + box.width / 2, y: box.y + box.height / 2 };
-    newcenter = transformPoint(box.x + box.width / 2, box.y + box.height / 2, transformListToTransform(tlist).matrix);
-    // let m = svgroot.createSVGMatrix();
-
+    oldcenter = {
+      x: box.x + box.width / 2,
+      y: box.y + box.height / 2
+    };
+    newcenter = transformPoint(box.x + box.width / 2, box.y + box.height / 2, transformListToTransform(tlist).matrix); // let m = svgroot.createSVGMatrix();
     // temporarily strip off the rotate and save the old center
+
     var gangle = getRotationAngle(selected);
+
     if (gangle) {
       var a = gangle * Math.PI / 180;
-      var s = void 0;
+      var s;
+
       if (Math.abs(a) > 1.0e-10) {
         s = Math.sin(a) / (1 - Math.cos(a));
       } else {
         // FIXME: This blows up if the angle is exactly 0!
         s = 2 / a;
       }
+
       for (var _i = 0; _i < tlist.numberOfItems; ++_i) {
         var _xform2 = tlist.getItem(_i);
+
         if (_xform2.type === 4) {
           // extract old center through mystical arts
           var rm = _xform2.matrix;
@@ -11173,44 +12016,43 @@ var recalculateDimensions = function recalculateDimensions(selected) {
         }
       }
     }
+
     var N = tlist.numberOfItems;
     var tx = 0,
         ty = 0,
         operation = 0;
+    var firstM;
 
-    var firstM = void 0;
     if (N) {
       firstM = tlist.getItem(0).matrix;
     }
 
-    var oldStartTransform = void 0;
-    // first, if it was a scale then the second-last transform will be it
+    var oldStartTransform; // first, if it was a scale then the second-last transform will be it
+
     if (N >= 3 && tlist.getItem(N - 2).type === 3 && tlist.getItem(N - 3).type === 2 && tlist.getItem(N - 1).type === 2) {
       operation = 3; // scale
-
       // if the children are unrotated, pass the scale down directly
       // otherwise pass the equivalent matrix() down directly
+
       var tm = tlist.getItem(N - 3).matrix,
           sm = tlist.getItem(N - 2).matrix,
           tmn = tlist.getItem(N - 1).matrix;
-
       var children = selected.childNodes;
       var c = children.length;
+
       while (c--) {
         var child = children.item(c);
         tx = 0;
         ty = 0;
-        if (child.nodeType === 1) {
-          var childTlist = getTransformList(child);
 
-          // some children might not have a transform (<metadata>, <defs>, etc)
+        if (child.nodeType === 1) {
+          var childTlist = getTransformList(child); // some children might not have a transform (<metadata>, <defs>, etc)
+
           if (!childTlist) {
             continue;
           }
 
-          var _m = transformListToTransform(childTlist).matrix;
-
-          // Convert a matrix to a scale if applicable
+          var _m = transformListToTransform(childTlist).matrix; // Convert a matrix to a scale if applicable
           // if (hasMatrixTransform(childTlist) && childTlist.numberOfItems == 1) {
           //   if (m.b==0 && m.c==0 && m.e==0 && m.f==0) {
           //     childTlist.removeItem(0);
@@ -11229,31 +12071,27 @@ var recalculateDimensions = function recalculateDimensions(selected) {
           var angle = getRotationAngle(child);
           oldStartTransform = context_.getStartTransform();
           context_.setStartTransform(child.getAttribute('transform'));
+
           if (angle || hasMatrixTransform(childTlist)) {
             var e2t = svgroot.createSVGTransform();
             e2t.setMatrix(matrixMultiply(tm, sm, tmn, _m));
             childTlist.clear();
             childTlist.appendItem(e2t);
-            // if not rotated or skewed, push the [T][S][-T] down to the child
           } else {
             // update the transform list with translate,scale,translate
-
             // slide the [T][S][-T] from the front to the back
             // [T][S][-T][M] = [M][T2][S2][-T2]
-
             // (only bringing [-T] to the right of [M])
             // [T][S][-T][M] = [T][S][M][-T2]
             // [-T2] = [M_inv][-T][M]
-            var t2n = matrixMultiply(_m.inverse(), tmn, _m);
-            // [T2] is always negative translation of [-T2]
+            var t2n = matrixMultiply(_m.inverse(), tmn, _m); // [T2] is always negative translation of [-T2]
+
             var t2 = svgroot.createSVGMatrix();
             t2.e = -t2n.e;
-            t2.f = -t2n.f;
-
-            // [T][S][-T][M] = [M][T2][S2][-T2]
+            t2.f = -t2n.f; // [T][S][-T][M] = [M][T2][S2][-T2]
             // [S2] = [T2_inv][M_inv][T][S][-T][M][-T2_inv]
-            var s2 = matrixMultiply(t2.inverse(), _m.inverse(), tm, sm, tmn, _m, t2n.inverse());
 
+            var s2 = matrixMultiply(t2.inverse(), _m.inverse(), tm, sm, tmn, _m, t2n.inverse());
             var translateOrigin = svgroot.createSVGTransform(),
                 scale = svgroot.createSVGTransform(),
                 translateBack = svgroot.createSVGTransform();
@@ -11263,11 +12101,11 @@ var recalculateDimensions = function recalculateDimensions(selected) {
             childTlist.appendItem(translateBack);
             childTlist.appendItem(scale);
             childTlist.appendItem(translateOrigin);
-            // logMatrix(translateBack.matrix);
             // logMatrix(scale.matrix);
           } // not rotated
-          batchCmd.addSubCommand(recalculateDimensions(child));
-          // TODO: If any <use> have this group as a parent and are
+
+
+          batchCmd.addSubCommand(recalculateDimensions(child)); // TODO: If any <use> have this group as a parent and are
           // referencing this child, then we need to impose a reverse
           // scale on it so that when it won't get double-translated
           // const uses = selected.getElementsByTagNameNS(NS.SVG, 'use');
@@ -11282,30 +12120,37 @@ var recalculateDimensions = function recalculateDimensions(selected) {
           //     batchCmd.addSubCommand( recalculateDimensions(useElem) );
           //   }
           // }
+
           context_.setStartTransform(oldStartTransform);
         } // element
+
       } // for each child
       // Remove these transforms from group
+
+
       tlist.removeItem(N - 1);
       tlist.removeItem(N - 2);
       tlist.removeItem(N - 3);
     } else if (N >= 3 && tlist.getItem(N - 1).type === 1) {
       operation = 3; // scale
+
       var _m2 = transformListToTransform(tlist).matrix;
+
       var _e2t = svgroot.createSVGTransform();
+
       _e2t.setMatrix(_m2);
+
       tlist.clear();
-      tlist.appendItem(_e2t);
-      // next, check if the first transform was a translate
+      tlist.appendItem(_e2t); // next, check if the first transform was a translate
       // if we had [ T1 ] [ M ] we want to transform this into [ M ] [ T2 ]
       // therefore [ T2 ] = [ M_inv ] [ T1 ] [ M ]
     } else if ((N === 1 || N > 1 && tlist.getItem(1).type !== 3) && tlist.getItem(0).type === 2) {
       operation = 2; // translate
+
       var T_M = transformListToTransform(tlist).matrix;
       tlist.removeItem(0);
       var mInv = transformListToTransform(tlist).matrix.inverse();
       var M2 = matrixMultiply(mInv, T_M);
-
       tx = M2.e;
       ty = M2.f;
 
@@ -11313,15 +12158,17 @@ var recalculateDimensions = function recalculateDimensions(selected) {
         // we pass the translates down to the individual children
         var _children = selected.childNodes;
         var _c = _children.length;
-
         var clipPathsDone = [];
+
         while (_c--) {
           var _child = _children.item(_c);
+
           if (_child.nodeType === 1) {
             // Check if child has clip-path
             if (_child.getAttribute('clip-path')) {
               // tx, ty
               var attr = _child.getAttribute('clip-path');
+
               if (!clipPathsDone.includes(attr)) {
                 updateClipPath(attr, tx, ty);
                 clipPathsDone.push(attr);
@@ -11331,25 +12178,30 @@ var recalculateDimensions = function recalculateDimensions(selected) {
             oldStartTransform = context_.getStartTransform();
             context_.setStartTransform(_child.getAttribute('transform'));
 
-            var _childTlist = getTransformList(_child);
-            // some children might not have a transform (<metadata>, <defs>, etc)
+            var _childTlist = getTransformList(_child); // some children might not have a transform (<metadata>, <defs>, etc)
+
+
             if (_childTlist) {
               var newxlate = svgroot.createSVGTransform();
               newxlate.setTranslate(tx, ty);
+
               if (_childTlist.numberOfItems) {
                 _childTlist.insertItemBefore(newxlate, 0);
               } else {
                 _childTlist.appendItem(newxlate);
               }
-              batchCmd.addSubCommand(recalculateDimensions(_child));
-              // If any <use> have this group as a parent and are
+
+              batchCmd.addSubCommand(recalculateDimensions(_child)); // If any <use> have this group as a parent and are
               // referencing this child, then impose a reverse translate on it
               // so that when it won't get double-translated
+
               var uses = selected.getElementsByTagNameNS(NS.SVG, 'use');
               var href = '#' + _child.id;
               var u = uses.length;
+
               while (u--) {
                 var useElem = uses.item(u);
+
                 if (href === getHref(useElem)) {
                   var usexlate = svgroot.createSVGTransform();
                   usexlate.setTranslate(-tx, -ty);
@@ -11357,24 +12209,29 @@ var recalculateDimensions = function recalculateDimensions(selected) {
                   batchCmd.addSubCommand(recalculateDimensions(useElem));
                 }
               }
+
               context_.setStartTransform(oldStartTransform);
             }
           }
         }
+
         context_.setStartTransform(oldStartTransform);
-      }
-      // else, a matrix imposition from a parent group
+      } // else, a matrix imposition from a parent group
       // keep pushing it down to the children
+
     } else if (N === 1 && tlist.getItem(0).type === 1 && !gangle) {
       operation = 1;
       var _m3 = tlist.getItem(0).matrix,
           _children2 = selected.childNodes;
       var _c2 = _children2.length;
+
       while (_c2--) {
         var _child2 = _children2.item(_c2);
+
         if (_child2.nodeType === 1) {
           oldStartTransform = context_.getStartTransform();
           context_.setStartTransform(_child2.getAttribute('transform'));
+
           var _childTlist2 = getTransformList(_child2);
 
           if (!_childTlist2) {
@@ -11384,40 +12241,46 @@ var recalculateDimensions = function recalculateDimensions(selected) {
           var em = matrixMultiply(_m3, transformListToTransform(_childTlist2).matrix);
           var e2m = svgroot.createSVGTransform();
           e2m.setMatrix(em);
+
           _childTlist2.clear();
+
           _childTlist2.appendItem(e2m, 0);
 
           batchCmd.addSubCommand(recalculateDimensions(_child2));
-          context_.setStartTransform(oldStartTransform);
-
-          // Convert stroke
+          context_.setStartTransform(oldStartTransform); // Convert stroke
           // TODO: Find out if this should actually happen somewhere else
+
           var sw = _child2.getAttribute('stroke-width');
+
           if (_child2.getAttribute('stroke') !== 'none' && !isNaN(sw)) {
             var avg = (Math.abs(em.a) + Math.abs(em.d)) / 2;
+
             _child2.setAttribute('stroke-width', sw * avg);
           }
         }
       }
-      tlist.clear();
-      // else it was just a rotate
+
+      tlist.clear(); // else it was just a rotate
     } else {
       if (gangle) {
         var newRot = svgroot.createSVGTransform();
         newRot.setRotate(gangle, newcenter.x, newcenter.y);
+
         if (tlist.numberOfItems) {
           tlist.insertItemBefore(newRot, 0);
         } else {
           tlist.appendItem(newRot);
         }
       }
+
       if (tlist.numberOfItems === 0) {
         selected.removeAttribute('transform');
       }
-      return null;
-    }
 
-    // if it was a translate, put back the rotate at the new center
+      return null;
+    } // if it was a translate, put back the rotate at the new center
+
+
     if (operation === 2) {
       if (gangle) {
         newcenter = {
@@ -11426,14 +12289,16 @@ var recalculateDimensions = function recalculateDimensions(selected) {
         };
 
         var _newRot = svgroot.createSVGTransform();
+
         _newRot.setRotate(gangle, newcenter.x, newcenter.y);
+
         if (tlist.numberOfItems) {
           tlist.insertItemBefore(_newRot, 0);
         } else {
           tlist.appendItem(_newRot);
         }
-      }
-      // if it was a resize
+      } // if it was a resize
+
     } else if (operation === 3) {
       var _m4 = transformListToTransform(tlist).matrix;
       var roldt = svgroot.createSVGTransform();
@@ -11441,6 +12306,7 @@ var recalculateDimensions = function recalculateDimensions(selected) {
       var rold = roldt.matrix;
       var rnew = svgroot.createSVGTransform();
       rnew.setRotate(gangle, newcenter.x, newcenter.y);
+
       var rnewInv = rnew.matrix.inverse(),
           _mInv = _m4.inverse(),
           extrat = matrixMultiply(_mInv, rnewInv, rold, _m4);
@@ -11453,14 +12319,20 @@ var recalculateDimensions = function recalculateDimensions(selected) {
         // we pass the translates down to the individual children
         var _children3 = selected.childNodes;
         var _c3 = _children3.length;
+
         while (_c3--) {
           var _child3 = _children3.item(_c3);
+
           if (_child3.nodeType === 1) {
             oldStartTransform = context_.getStartTransform();
             context_.setStartTransform(_child3.getAttribute('transform'));
+
             var _childTlist3 = getTransformList(_child3);
+
             var _newxlate = svgroot.createSVGTransform();
+
             _newxlate.setTranslate(tx, ty);
+
             if (_childTlist3.numberOfItems) {
               _childTlist3.insertItemBefore(_newxlate, 0);
             } else {
@@ -11480,33 +12352,39 @@ var recalculateDimensions = function recalculateDimensions(selected) {
           tlist.appendItem(rnew);
         }
       }
-    }
-    // else, it's a non-group
+    } // else, it's a non-group
+
   } else {
     // FIXME: box might be null for some elements (<metadata> etc), need to handle this
-    var _box = getBBox(selected);
-
-    // Paths (and possbly other shapes) will have no BBox while still in <defs>,
+    var _box = getBBox(selected); // Paths (and possbly other shapes) will have no BBox while still in <defs>,
     // but we still may need to recalculate them (see issue 595).
     // TODO: Figure out how to get BBox from these elements in case they
     // have a rotation transform
 
+
     if (!_box && selected.tagName !== 'path') return null;
 
-    var _m5 = void 0; // = svgroot.createSVGMatrix();
+    var _m5; // = svgroot.createSVGMatrix();
     // temporarily strip off the rotate and save the old center
+
+
     var _angle = getRotationAngle(selected);
+
     if (_angle) {
-      oldcenter = { x: _box.x + _box.width / 2, y: _box.y + _box.height / 2 };
+      oldcenter = {
+        x: _box.x + _box.width / 2,
+        y: _box.y + _box.height / 2
+      };
       newcenter = transformPoint(_box.x + _box.width / 2, _box.y + _box.height / 2, transformListToTransform(tlist).matrix);
 
       var _a = _angle * Math.PI / 180;
-      var _s = Math.abs(_a) > 1.0e-10 ? Math.sin(_a) / (1 - Math.cos(_a))
-      // FIXME: This blows up if the angle is exactly 0!
+
+      var _s = Math.abs(_a) > 1.0e-10 ? Math.sin(_a) / (1 - Math.cos(_a)) // FIXME: This blows up if the angle is exactly 0!
       : 2 / _a;
 
       for (var _i2 = 0; _i2 < tlist.numberOfItems; ++_i2) {
         var _xform3 = tlist.getItem(_i2);
+
         if (_xform3.type === 4) {
           // extract old center through mystical arts
           var _rm = _xform3.matrix;
@@ -11516,22 +12394,23 @@ var recalculateDimensions = function recalculateDimensions(selected) {
           break;
         }
       }
-    }
+    } // 2 = translate, 3 = scale, 4 = rotate, 1 = matrix imposition
+
 
-    // 2 = translate, 3 = scale, 4 = rotate, 1 = matrix imposition
     var _operation = 0;
-    var _N = tlist.numberOfItems;
-
-    // Check if it has a gradient with userSpaceOnUse, in which case
+    var _N = tlist.numberOfItems; // Check if it has a gradient with userSpaceOnUse, in which case
     // adjust it by recalculating the matrix transform.
     // TODO: Make this work in Webkit using transformlist.SVGTransformList
+
     if (!isWebkit()) {
       var fill = selected.getAttribute('fill');
+
       if (fill && fill.startsWith('url(')) {
         var paint = getRefElem(fill);
         var type = 'pattern';
         if (paint.tagName !== type) type = 'gradient';
         var attrVal = paint.getAttribute(type + 'Units');
+
         if (attrVal === 'userSpaceOnUse') {
           // Update the userSpaceOnUse element
           _m5 = transformListToTransform(tlist).matrix;
@@ -11542,79 +12421,94 @@ var recalculateDimensions = function recalculateDimensions(selected) {
           paint.setAttribute(type + 'Transform', mStr);
         }
       }
-    }
-
-    // first, if it was a scale of a non-skewed element, then the second-last
+    } // first, if it was a scale of a non-skewed element, then the second-last
     // transform will be the [S]
     // if we had [M][T][S][T] we want to extract the matrix equivalent of
     // [T][S][T] and push it down to the element
+
+
     if (_N >= 3 && tlist.getItem(_N - 2).type === 3 && tlist.getItem(_N - 3).type === 2 && tlist.getItem(_N - 1).type === 2) {
       // Removed this so a <use> with a given [T][S][T] would convert to a matrix.
       // Is that bad?
       //  && selected.nodeName != 'use'
       _operation = 3; // scale
+
       _m5 = transformListToTransform(tlist, _N - 3, _N - 1).matrix;
       tlist.removeItem(_N - 1);
       tlist.removeItem(_N - 2);
-      tlist.removeItem(_N - 3);
-      // if we had [T][S][-T][M], then this was a skewed element being resized
+      tlist.removeItem(_N - 3); // if we had [T][S][-T][M], then this was a skewed element being resized
       // Thus, we simply combine it all into one matrix
     } else if (_N === 4 && tlist.getItem(_N - 1).type === 1) {
       _operation = 3; // scale
+
       _m5 = transformListToTransform(tlist).matrix;
+
       var _e2t2 = svgroot.createSVGTransform();
+
       _e2t2.setMatrix(_m5);
+
       tlist.clear();
-      tlist.appendItem(_e2t2);
-      // reset the matrix so that the element is not re-mapped
-      _m5 = svgroot.createSVGMatrix();
-      // if we had [R][T][S][-T][M], then this was a rotated matrix-element
+      tlist.appendItem(_e2t2); // reset the matrix so that the element is not re-mapped
+
+      _m5 = svgroot.createSVGMatrix(); // if we had [R][T][S][-T][M], then this was a rotated matrix-element
       // if we had [T1][M] we want to transform this into [M][T2]
       // therefore [ T2 ] = [ M_inv ] [ T1 ] [ M ] and we can push [T2]
       // down to the element
     } else if ((_N === 1 || _N > 1 && tlist.getItem(1).type !== 3) && tlist.getItem(0).type === 2) {
       _operation = 2; // translate
+
       var oldxlate = tlist.getItem(0).matrix,
           meq = transformListToTransform(tlist, 1).matrix,
           meqInv = meq.inverse();
       _m5 = matrixMultiply(meqInv, oldxlate, meq);
-      tlist.removeItem(0);
-      // else if this child now has a matrix imposition (from a parent group)
+      tlist.removeItem(0); // else if this child now has a matrix imposition (from a parent group)
       // we might be able to simplify
     } else if (_N === 1 && tlist.getItem(0).type === 1 && !_angle) {
       // Remap all point-based elements
       _m5 = transformListToTransform(tlist).matrix;
+
       switch (selected.tagName) {
         case 'line':
           changes = $$7(selected).attr(['x1', 'y1', 'x2', 'y2']);
         // Fallthrough
+
         case 'polyline':
         case 'polygon':
           changes.points = selected.getAttribute('points');
+
           if (changes.points) {
             var _list = selected.points;
             var _len = _list.numberOfItems;
             changes.points = new Array(_len);
+
             for (var _i3 = 0; _i3 < _len; ++_i3) {
               var _pt = _list.getItem(_i3);
-              changes.points[_i3] = { x: _pt.x, y: _pt.y };
+
+              changes.points[_i3] = {
+                x: _pt.x,
+                y: _pt.y
+              };
             }
           }
+
         // Fallthrough
+
         case 'path':
           changes.d = selected.getAttribute('d');
           _operation = 1;
           tlist.clear();
           break;
+
         default:
           break;
-      }
-      // if it was a rotation, put the rotate back and return without a command
+      } // if it was a rotation, put the rotate back and return without a command
       // (this function has zero work to do for a rotate())
+
     } else {
       // operation = 4; // rotation
       if (_angle) {
         var _newRot2 = svgroot.createSVGTransform();
+
         _newRot2.setRotate(_angle, newcenter.x, newcenter.y);
 
         if (tlist.numberOfItems) {
@@ -11623,18 +12517,21 @@ var recalculateDimensions = function recalculateDimensions(selected) {
           tlist.appendItem(_newRot2);
         }
       }
+
       if (tlist.numberOfItems === 0) {
         selected.removeAttribute('transform');
       }
-      return null;
-    }
 
-    // if it was a translate or resize, we need to remap the element and absorb the xform
+      return null;
+    } // if it was a translate or resize, we need to remap the element and absorb the xform
+
+
     if (_operation === 1 || _operation === 2 || _operation === 3) {
       remapElement(selected, changes, _m5);
     } // if we are remapping
-
     // if it was a translate, put back the rotate at the new center
+
+
     if (_operation === 2) {
       if (_angle) {
         if (!hasMatrixTransform(tlist)) {
@@ -11643,22 +12540,28 @@ var recalculateDimensions = function recalculateDimensions(selected) {
             y: oldcenter.y + _m5.f
           };
         }
+
         var _newRot3 = svgroot.createSVGTransform();
+
         _newRot3.setRotate(_angle, newcenter.x, newcenter.y);
+
         if (tlist.numberOfItems) {
           tlist.insertItemBefore(_newRot3, 0);
         } else {
           tlist.appendItem(_newRot3);
         }
-      }
-      // We have special processing for tspans:  Tspans are not transformable
+      } // We have special processing for tspans:  Tspans are not transformable
       // but they can have x,y coordinates (sigh).  Thus, if this was a translate,
       // on a text element, also translate any tspan children.
+
+
       if (selected.tagName === 'text') {
         var _children4 = selected.childNodes;
         var _c4 = _children4.length;
+
         while (_c4--) {
           var _child4 = _children4.item(_c4);
+
           if (_child4.tagName === 'tspan') {
             var tspanChanges = {
               x: $$7(_child4).attr('x') || 0,
@@ -11667,23 +12570,32 @@ var recalculateDimensions = function recalculateDimensions(selected) {
             remapElement(_child4, tspanChanges, _m5);
           }
         }
-      }
-      // [Rold][M][T][S][-T] became [Rold][M]
+      } // [Rold][M][T][S][-T] became [Rold][M]
       // we want it to be [Rnew][M][Tr] where Tr is the
       // translation required to re-center it
       // Therefore, [Tr] = [M_inv][Rnew_inv][Rold][M]
+
     } else if (_operation === 3 && _angle) {
       var _m6 = transformListToTransform(tlist).matrix;
+
       var _roldt = svgroot.createSVGTransform();
+
       _roldt.setRotate(_angle, oldcenter.x, oldcenter.y);
+
       var _rold = _roldt.matrix;
+
       var _rnew = svgroot.createSVGTransform();
+
       _rnew.setRotate(_angle, newcenter.x, newcenter.y);
+
       var _rnewInv = _rnew.matrix.inverse();
+
       var _mInv2 = _m6.inverse();
+
       var _extrat = matrixMultiply(_mInv2, _rnewInv, _rold, _m6);
 
       remapElement(selected, changes, _extrat);
+
       if (_angle) {
         if (tlist.numberOfItems) {
           tlist.insertItemBefore(_rnew, 0);
@@ -11693,54 +12605,52 @@ var recalculateDimensions = function recalculateDimensions(selected) {
       }
     }
   } // a non-group
-
   // if the transform list has been emptied, remove it
+
+
   if (tlist.numberOfItems === 0) {
     selected.removeAttribute('transform');
   }
 
   batchCmd.addSubCommand(new ChangeElementCommand(selected, initial));
-
   return batchCmd;
 };
 
-/* globals jQuery */
-
 var $$8 = jQuery;
+var svgFactory_;
+var config_;
+var selectorManager_; // A Singleton
 
-var svgFactory_ = void 0;
-var config_ = void 0;
-var selectorManager_ = void 0; // A Singleton
 var gripRadius = isTouch() ? 10 : 4;
-
 /**
 * Private class for DOM element selection boxes
 */
-var Selector = function () {
+
+var Selector =
+/*#__PURE__*/
+function () {
   /**
   * @param {Integer} id - Internally identify the selector
   * @param {Element} elem - DOM element associated with this selector
   * @param {module:utilities.BBoxObject} [bbox] - Optional bbox to use for initialization (prevents duplicate `getBBox` call).
   */
   function Selector(id, elem, bbox) {
-    classCallCheck(this, Selector);
+    _classCallCheck(this, Selector);
 
     // this is the selector's unique number
-    this.id = id;
+    this.id = id; // this holds a reference to the element for which this selector is being used
 
-    // this holds a reference to the element for which this selector is being used
-    this.selectedElement = elem;
+    this.selectedElement = elem; // this is a flag used internally to track whether the selector is being used or not
 
-    // this is a flag used internally to track whether the selector is being used or not
-    this.locked = true;
+    this.locked = true; // this holds a reference to the <g> element that holds all visual elements of the selector
 
-    // this holds a reference to the <g> element that holds all visual elements of the selector
     this.selectorGroup = svgFactory_.createSVGElement({
       element: 'g',
-      attr: { id: 'selectorGroup' + this.id }
-    });
+      attr: {
+        id: 'selectorGroup' + this.id
+      }
+    }); // this holds a reference to the path rect
 
-    // this holds a reference to the path rect
     this.selectorRect = this.selectorGroup.appendChild(svgFactory_.createSVGElement({
       element: 'path',
       attr: {
@@ -11752,9 +12662,8 @@ var Selector = function () {
         // need to specify this so that the rect is not selectable
         style: 'pointer-events:none'
       }
-    }));
+    })); // this holds a reference to the grip coordinates for this selector
 
-    // this holds a reference to the grip coordinates for this selector
     this.gripCoords = {
       nw: null,
       n: null,
@@ -11765,10 +12674,8 @@ var Selector = function () {
       sw: null,
       w: null
     };
-
     this.reset(this.selectedElement, bbox);
   }
-
   /**
   * Used to reset the id and element that the selector is attached to
   * @param {Element} e - DOM element associated with this selector
@@ -11776,43 +12683,46 @@ var Selector = function () {
   */
 
 
-  createClass(Selector, [{
-    key: 'reset',
+  _createClass(Selector, [{
+    key: "reset",
     value: function reset(e, bbox) {
       this.locked = true;
       this.selectedElement = e;
       this.resize(bbox);
       this.selectorGroup.setAttribute('display', 'inline');
     }
-
     /**
     * Updates cursors for corner grips on rotation so arrows point the right way
     * @param {Float} angle - Current rotation angle in degrees
     */
 
   }, {
-    key: 'updateGripCursors',
+    key: "updateGripCursors",
     value: function updateGripCursors(angle) {
-      var dir = void 0;
+      var dir;
       var dirArr = [];
       var steps = Math.round(angle / 45);
+
       if (steps < 0) {
         steps += 8;
       }
+
       for (dir in selectorManager_.selectorGrips) {
         dirArr.push(dir);
       }
+
       while (steps > 0) {
         dirArr.push(dirArr.shift());
         steps--;
       }
+
       var i = 0;
+
       for (dir in selectorManager_.selectorGrips) {
         selectorManager_.selectorGrips[dir].setAttribute('style', 'cursor:' + dirArr[i] + '-resize');
         i++;
       }
     }
-
     /**
     * Show the resize grips of this selector
     *
@@ -11820,25 +12730,25 @@ var Selector = function () {
     */
 
   }, {
-    key: 'showGrips',
+    key: "showGrips",
     value: function showGrips(show) {
       var bShow = show ? 'inline' : 'none';
       selectorManager_.selectorGripsGroup.setAttribute('display', bShow);
       var elem = this.selectedElement;
       this.hasGrips = show;
+
       if (elem && show) {
         this.selectorGroup.append(selectorManager_.selectorGripsGroup);
         this.updateGripCursors(getRotationAngle(elem));
       }
     }
-
     /**
     * Updates the selector to match the element's size
     * @param {module:utilities.BBoxObject} [bbox] - BBox to use for resize (prevents duplicate getBBox call).
     */
 
   }, {
-    key: 'resize',
+    key: "resize",
     value: function resize(bbox) {
       var selectedBox = this.selectorRect,
           mgr = selectorManager_,
@@ -11847,6 +12757,7 @@ var Selector = function () {
           sw = selected.getAttribute('stroke-width'),
           currentZoom = svgFactory_.getCurrentZoom();
       var offset = 1 / currentZoom;
+
       if (selected.getAttribute('stroke') !== 'none' && !isNaN(sw)) {
         offset += sw / 2;
       }
@@ -11855,57 +12766,53 @@ var Selector = function () {
 
       if (tagName === 'text') {
         offset += 2 / currentZoom;
-      }
+      } // loop and transform our bounding box until we reach our first rotation
+
 
-      // loop and transform our bounding box until we reach our first rotation
       var tlist = getTransformList(selected);
-      var m = transformListToTransform(tlist).matrix;
-
-      // This should probably be handled somewhere else, but for now
+      var m = transformListToTransform(tlist).matrix; // This should probably be handled somewhere else, but for now
       // it keeps the selection box correctly positioned when zoomed
+
       m.e *= currentZoom;
       m.f *= currentZoom;
 
       if (!bbox) {
         bbox = getBBox(selected);
-      }
-      // TODO: getBBox (previous line) already knows to call getStrokedBBox when tagName === 'g'. Remove this?
+      } // TODO: getBBox (previous line) already knows to call getStrokedBBox when tagName === 'g'. Remove this?
       // TODO: getBBox doesn't exclude 'gsvg' and calls getStrokedBBox for any 'g'. Should getBBox be updated?
+
+
       if (tagName === 'g' && !$$8.data(selected, 'gsvg')) {
         // The bbox for a group does not include stroke vals, so we
         // get the bbox based on its children.
         var strokedBbox = getStrokedBBox([selected.childNodes]);
+
         if (strokedBbox) {
           bbox = strokedBbox;
         }
-      }
+      } // apply the transforms
+
 
-      // apply the transforms
       var l = bbox.x,
           t = bbox.y,
           w = bbox.width,
-          h = bbox.height;
-      // bbox = {x: l, y: t, width: w, height: h}; // Not in use
-
+          h = bbox.height; // bbox = {x: l, y: t, width: w, height: h}; // Not in use
       // we need to handle temporary transforms too
       // if skewed, get its transformed box, then find its axis-aligned bbox
-
       // *
-      offset *= currentZoom;
 
+      offset *= currentZoom;
       var nbox = transformBox(l * currentZoom, t * currentZoom, w * currentZoom, h * currentZoom, m),
           aabox = nbox.aabox;
-
       var nbax = aabox.x - offset,
           nbay = aabox.y - offset,
           nbaw = aabox.width + offset * 2,
-          nbah = aabox.height + offset * 2;
+          nbah = aabox.height + offset * 2; // now if the shape is rotated, un-rotate it
 
-      // now if the shape is rotated, un-rotate it
       var cx = nbax + nbaw / 2,
           cy = nbay + nbah / 2;
-
       var angle = getRotationAngle(selected);
+
       if (angle) {
         var rot = svgFactory_.svgRoot().createSVGTransform();
         rot.setRotate(-angle, cx, cy);
@@ -11913,25 +12820,19 @@ var Selector = function () {
         nbox.tl = transformPoint(nbox.tl.x, nbox.tl.y, rotm);
         nbox.tr = transformPoint(nbox.tr.x, nbox.tr.y, rotm);
         nbox.bl = transformPoint(nbox.bl.x, nbox.bl.y, rotm);
-        nbox.br = transformPoint(nbox.br.x, nbox.br.y, rotm);
+        nbox.br = transformPoint(nbox.br.x, nbox.br.y, rotm); // calculate the axis-aligned bbox
 
-        // calculate the axis-aligned bbox
         var tl = nbox.tl;
-
         var minx = tl.x,
             miny = tl.y,
             maxx = tl.x,
             maxy = tl.y;
-
         var min = Math.min,
             max = Math.max;
-
-
         minx = min(minx, min(nbox.tr.x, min(nbox.bl.x, nbox.br.x))) - offset;
         miny = min(miny, min(nbox.tr.y, min(nbox.bl.y, nbox.br.y))) - offset;
         maxx = max(maxx, max(nbox.tr.x, max(nbox.bl.x, nbox.br.x))) + offset;
         maxy = max(maxy, max(nbox.tr.y, max(nbox.bl.y, nbox.br.y))) + offset;
-
         nbax = minx;
         nbay = miny;
         nbaw = maxx - minx;
@@ -11940,12 +12841,10 @@ var Selector = function () {
 
       var dstr = 'M' + nbax + ',' + nbay + ' L' + (nbax + nbaw) + ',' + nbay + ' ' + (nbax + nbaw) + ',' + (nbay + nbah) + ' ' + nbax + ',' + (nbay + nbah) + 'z';
       selectedBox.setAttribute('d', dstr);
-
       var xform = angle ? 'rotate(' + [angle, cx, cy].join(',') + ')' : '';
-      this.selectorGroup.setAttribute('transform', xform);
-
-      // TODO(codedread): Is this needed?
+      this.selectorGroup.setAttribute('transform', xform); // TODO(codedread): Is this needed?
       //  if (selected === selectedElements[0]) {
+
       this.gripCoords = {
         nw: [nbax, nbay],
         ne: [nbax + nbaw, nbay],
@@ -11956,46 +12855,44 @@ var Selector = function () {
         e: [nbax + nbaw, nbay + nbah / 2],
         s: [nbax + nbaw / 2, nbay + nbah]
       };
+
       for (var dir in this.gripCoords) {
         var coords = this.gripCoords[dir];
         selectedGrips[dir].setAttribute('cx', coords[0]);
         selectedGrips[dir].setAttribute('cy', coords[1]);
-      }
+      } // we want to go 20 pixels in the negative transformed y direction, ignoring scale
+
 
-      // we want to go 20 pixels in the negative transformed y direction, ignoring scale
       mgr.rotateGripConnector.setAttribute('x1', nbax + nbaw / 2);
       mgr.rotateGripConnector.setAttribute('y1', nbay);
       mgr.rotateGripConnector.setAttribute('x2', nbax + nbaw / 2);
       mgr.rotateGripConnector.setAttribute('y2', nbay - gripRadius * 5);
-
       mgr.rotateGrip.setAttribute('cx', nbax + nbaw / 2);
-      mgr.rotateGrip.setAttribute('cy', nbay - gripRadius * 5);
-      // }
+      mgr.rotateGrip.setAttribute('cy', nbay - gripRadius * 5); // }
     }
   }]);
+
   return Selector;
 }();
-
 /**
 * Manage all selector objects (selection boxes)
 */
-var SelectorManager = function () {
+
+var SelectorManager =
+/*#__PURE__*/
+function () {
   function SelectorManager() {
-    classCallCheck(this, SelectorManager);
+    _classCallCheck(this, SelectorManager);
 
     // this will hold the <g> element that contains all selector rects/grips
-    this.selectorParentGroup = null;
+    this.selectorParentGroup = null; // this is a special rect that is used for multi-select
 
-    // this is a special rect that is used for multi-select
-    this.rubberBandBox = null;
+    this.rubberBandBox = null; // this will hold objects of type Selector (see above)
 
-    // this will hold objects of type Selector (see above)
-    this.selectors = [];
+    this.selectors = []; // this holds a map of SVG elements to their Selector object
 
-    // this holds a map of SVG elements to their Selector object
-    this.selectorMap = {};
+    this.selectorMap = {}; // this holds a reference to the grip elements
 
-    // this holds a reference to the grip elements
     this.selectorGrips = {
       nw: null,
       n: null,
@@ -12006,44 +12903,43 @@ var SelectorManager = function () {
       sw: null,
       w: null
     };
-
     this.selectorGripsGroup = null;
     this.rotateGripConnector = null;
     this.rotateGrip = null;
-
     this.initGroup();
   }
-
   /**
   * Resets the parent selector group element
   */
 
 
-  createClass(SelectorManager, [{
-    key: 'initGroup',
+  _createClass(SelectorManager, [{
+    key: "initGroup",
     value: function initGroup() {
       // remove old selector parent group if it existed
       if (this.selectorParentGroup && this.selectorParentGroup.parentNode) {
         this.selectorParentGroup.remove();
-      }
+      } // create parent selector group and add it to svgroot
+
 
-      // create parent selector group and add it to svgroot
       this.selectorParentGroup = svgFactory_.createSVGElement({
         element: 'g',
-        attr: { id: 'selectorParentGroup' }
+        attr: {
+          id: 'selectorParentGroup'
+        }
       });
       this.selectorGripsGroup = svgFactory_.createSVGElement({
         element: 'g',
-        attr: { display: 'none' }
+        attr: {
+          display: 'none'
+        }
       });
       this.selectorParentGroup.append(this.selectorGripsGroup);
       svgFactory_.svgRoot().append(this.selectorParentGroup);
-
       this.selectorMap = {};
       this.selectors = [];
-      this.rubberBandBox = null;
+      this.rubberBandBox = null; // add the corner grips
 
-      // add the corner grips
       for (var dir in this.selectorGrips) {
         var grip = svgFactory_.createSVGElement({
           element: 'circle',
@@ -12060,13 +12956,12 @@ var SelectorManager = function () {
             'pointer-events': 'all'
           }
         });
-
         $$8.data(grip, 'dir', dir);
         $$8.data(grip, 'type', 'resize');
         this.selectorGrips[dir] = this.selectorGripsGroup.appendChild(grip);
-      }
+      } // add rotator elems
+
 
-      // add rotator elems
       this.rotateGripConnector = this.selectorGripsGroup.appendChild(svgFactory_.createSVGElement({
         element: 'line',
         attr: {
@@ -12075,7 +12970,6 @@ var SelectorManager = function () {
           'stroke-width': '1'
         }
       }));
-
       this.rotateGrip = this.selectorGripsGroup.appendChild(svgFactory_.createSVGElement({
         element: 'circle',
         attr: {
@@ -12093,7 +12987,7 @@ var SelectorManager = function () {
         return;
       }
 
-      var _config_$dimensions = slicedToArray(config_.dimensions, 2),
+      var _config_$dimensions = _slicedToArray(config_.dimensions, 2),
           width = _config_$dimensions[0],
           height = _config_$dimensions[1];
 
@@ -12105,11 +12999,11 @@ var SelectorManager = function () {
           height: height,
           x: 0,
           y: 0,
-          overflow: isWebkit() ? 'none' : 'visible', // Chrome 7 has a problem with this when zooming out
+          overflow: isWebkit() ? 'none' : 'visible',
+          // Chrome 7 has a problem with this when zooming out
           style: 'pointer-events:none'
         }
       });
-
       var rect = svgFactory_.createSVGElement({
         element: 'rect',
         attr: {
@@ -12122,16 +13016,13 @@ var SelectorManager = function () {
           fill: '#FFF',
           style: 'pointer-events:none'
         }
-      });
-
-      // Both Firefox and WebKit are too slow with this filter region (especially at higher
+      }); // Both Firefox and WebKit are too slow with this filter region (especially at higher
       // zoom levels) and Opera has at least one bug
       // if (!isOpera()) rect.setAttribute('filter', 'url(#canvashadow)');
-      canvasbg.append(rect);
-      svgFactory_.svgRoot().insertBefore(canvasbg, svgFactory_.svgContent());
-      // Ok to replace above with `svgFactory_.svgContent().before(canvasbg);`?
-    }
 
+      canvasbg.append(rect);
+      svgFactory_.svgRoot().insertBefore(canvasbg, svgFactory_.svgContent()); // Ok to replace above with `svgFactory_.svgContent().before(canvasbg);`?
+    }
     /**
     *
     * @param {Element} elem - DOM element to get the selector for
@@ -12140,18 +13031,19 @@ var SelectorManager = function () {
     */
 
   }, {
-    key: 'requestSelector',
+    key: "requestSelector",
     value: function requestSelector(elem, bbox) {
       if (elem == null) {
         return null;
       }
 
-      var N = this.selectors.length;
-      // If we've already acquired one for this element, return it.
+      var N = this.selectors.length; // If we've already acquired one for this element, return it.
+
       if (_typeof(this.selectorMap[elem.id]) === 'object') {
         this.selectorMap[elem.id].locked = true;
         return this.selectorMap[elem.id];
       }
+
       for (var i = 0; i < N; ++i) {
         if (this.selectors[i] && !this.selectors[i].locked) {
           this.selectors[i].locked = true;
@@ -12159,14 +13051,14 @@ var SelectorManager = function () {
           this.selectorMap[elem.id] = this.selectors[i];
           return this.selectors[i];
         }
-      }
-      // if we reached here, no available selectors were found, we create one
+      } // if we reached here, no available selectors were found, we create one
+
+
       this.selectors[N] = new Selector(N, elem, bbox);
       this.selectorParentGroup.append(this.selectors[N].selectorGroup);
       this.selectorMap[elem.id] = this.selectors[N];
       return this.selectors[N];
     }
-
     /**
     * Removes the selector of the given element (hides selection box)
     *
@@ -12174,25 +13066,27 @@ var SelectorManager = function () {
     */
 
   }, {
-    key: 'releaseSelector',
+    key: "releaseSelector",
     value: function releaseSelector(elem) {
       if (elem == null) {
         return;
       }
+
       var N = this.selectors.length,
           sel = this.selectorMap[elem.id];
+
       if (!sel.locked) {
         // TODO(codedread): Ensure this exists in this module.
         console.log('WARNING! selector was released but was already unlocked');
       }
+
       for (var i = 0; i < N; ++i) {
         if (this.selectors[i] && this.selectors[i] === sel) {
           delete this.selectorMap[elem.id];
           sel.locked = false;
           sel.selectedElement = null;
-          sel.showGrips(false);
+          sel.showGrips(false); // remove from DOM and store reference in JS but only if it exists in the DOM
 
-          // remove from DOM and store reference in JS but only if it exists in the DOM
           try {
             sel.selectorGroup.setAttribute('display', 'none');
           } catch (e) {}
@@ -12201,14 +13095,13 @@ var SelectorManager = function () {
         }
       }
     }
-
     /**
     * @returns {SVGRectElement} The rubberBandBox DOM element. This is the rectangle drawn by
     * the user for selecting/zooming
     */
 
   }, {
-    key: 'getRubberBandBox',
+    key: "getRubberBandBox",
     value: function getRubberBandBox() {
       if (!this.rubberBandBox) {
         this.rubberBandBox = this.selectorParentGroup.appendChild(svgFactory_.createSVGElement({
@@ -12224,30 +13117,35 @@ var SelectorManager = function () {
           }
         }));
       }
+
       return this.rubberBandBox;
     }
   }]);
+
   return SelectorManager;
 }();
-
 /**
  * An object that creates SVG elements for the canvas.
  *
  * @interface module:select.SVGFactory
  */
+
 /**
  * @function module:select.SVGFactory#createSVGElement
  * @param {module:utilities.EditorContext#addSVGElementFromJson} jsonMap
  * @returns {SVGElement}
  */
+
 /**
  * @function module:select.SVGFactory#svgRoot
  * @returns {SVGSVGElement}
  */
+
 /**
  * @function module:select.SVGFactory#svgContent
  * @returns {SVGSVGElement}
  */
+
 /**
  * @function module:select.SVGFactory#getCurrentZoom
  * @returns {Float}
@@ -12259,6 +13157,7 @@ var SelectorManager = function () {
  * @property {Float} 0 Width
  * @property {Float} 1 Height
  */
+
 /**
  * @typedef {PlainObject} module:select.Config
  * @property {string} imgPath
@@ -12272,22 +13171,21 @@ var SelectorManager = function () {
  * @param {module:select.SVGFactory} svgFactory - An object implementing the SVGFactory interface.
  * @returns {undefined}
  */
+
 var init$6 = function init(config, svgFactory) {
   config_ = config;
   svgFactory_ = svgFactory;
   selectorManager_ = new SelectorManager();
 };
-
 /**
  * @function module:select.getSelectorManager
  * @returns {module:select.SelectorManager} The SelectorManager instance.
  */
+
 var getSelectorManager = function getSelectorManager() {
   return selectorManager_;
 };
 
-/* eslint-disable indent */
-
 var $$9 = jqPluginSVG(jQuery);
 var MoveElementCommand$1 = MoveElementCommand,
     InsertElementCommand$1 = InsertElementCommand,
@@ -12297,10 +13195,11 @@ var MoveElementCommand$1 = MoveElementCommand,
     UndoManager$1 = UndoManager,
     HistoryEventTypes$1 = HistoryEventTypes;
 
-
 if (!window.console) {
   window.console = {};
+
   window.console.log = function (str) {};
+
   window.console.dir = function (str) {};
 }
 
@@ -12308,9 +13207,9 @@ if (window.opera) {
   window.console.log = function (str) {
     window.opera.postError(str);
   };
+
   window.console.dir = function (str) {};
 }
-
 /**
 * The main SvgCanvas class that manages all SVG-related functions
 * @memberof module:svgcanvas
@@ -12340,62 +13239,57 @@ if (window.opera) {
 * @borrows module:path.pathActions.linkControlPoints as #linkControlPoints
 */
 
+
 var SvgCanvas =
 /**
 * @param {HTMLElement} container - The container HTML element that should hold the SVG root element
 * @param {module:SVGEditor.curConfig} config - An object that contains configuration data
 */
 function SvgCanvas(container, config) {
-  classCallCheck(this, SvgCanvas);
+  _classCallCheck(this, SvgCanvas);
 
   // Alias Namespace constants
-
   // Default configuration options
   var curConfig = {
     show_outside_canvas: true,
     selectNew: true,
     dimensions: [640, 480]
-  };
+  }; // Update config with new one if given
 
-  // Update config with new one if given
   if (config) {
     $$9.extend(curConfig, config);
-  }
+  } // Array with width/height of canvas
+
 
-  // Array with width/height of canvas
   var dimensions = curConfig.dimensions;
-
-
-  var canvas = this;
-
-  // "document" element associated with the container (same as window.document using default svg-editor.js)
+  var canvas = this; // "document" element associated with the container (same as window.document using default svg-editor.js)
   // NOTE: This is not actually a SVG document, but an HTML document.
-  var svgdoc = container.ownerDocument;
 
-  // This is a container for the document being edited, not the document itself.
+  var svgdoc = container.ownerDocument; // This is a container for the document being edited, not the document itself.
+
   /**
    * @name module:svgcanvas~svgroot
    * @type {SVGSVGElement}
    */
+
   var svgroot = svgdoc.importNode(text2xml('<svg id="svgroot" xmlns="' + NS.SVG + '" xlinkns="' + NS.XLINK + '" ' + 'width="' + dimensions[0] + '" height="' + dimensions[1] + '" x="' + dimensions[0] + '" y="' + dimensions[1] + '" overflow="visible">' + '<defs>' + '<filter id="canvashadow" filterUnits="objectBoundingBox">' + '<feGaussianBlur in="SourceAlpha" stdDeviation="4" result="blur"/>' + '<feOffset in="blur" dx="5" dy="5" result="offsetBlur"/>' + '<feMerge>' + '<feMergeNode in="offsetBlur"/>' + '<feMergeNode in="SourceGraphic"/>' + '</feMerge>' + '</filter>' + '</defs>' + '</svg>').documentElement, true);
   container.append(svgroot);
-
   /**
    * The actual element that represents the final output SVG element
    * @name module:svgcanvas~svgcontent
    * @type {SVGSVGElement}
    */
-  var svgcontent = svgdoc.createElementNS(NS.SVG, 'svg');
 
+  var svgcontent = svgdoc.createElementNS(NS.SVG, 'svg');
   /**
   * This function resets the svgcontent element while keeping it in the DOM.
   * @function module:svgcanvas.SvgCanvas#clearSvgContentElement
   * @returns {undefined}
   */
-  var clearSvgContentElement = canvas.clearSvgContentElement = function () {
-    $$9(svgcontent).empty();
 
-    // TODO: Clear out all other attributes first?
+  var clearSvgContentElement = canvas.clearSvgContentElement = function () {
+    $$9(svgcontent).empty(); // TODO: Clear out all other attributes first?
+
     $$9(svgcontent).attr({
       id: 'svgcontent',
       width: dimensions[0],
@@ -12406,53 +13300,52 @@ function SvgCanvas(container, config) {
       xmlns: NS.SVG,
       'xmlns:se': NS.SE,
       'xmlns:xlink': NS.XLINK
-    }).appendTo(svgroot);
+    }).appendTo(svgroot); // TODO: make this string optional and set by the client
 
-    // TODO: make this string optional and set by the client
     var comment = svgdoc.createComment(' Created with SVG-edit - https://github.com/SVG-Edit/svgedit');
     svgcontent.append(comment);
   };
-  clearSvgContentElement();
 
-  // Prefix string for element IDs
+  clearSvgContentElement(); // Prefix string for element IDs
+
   var idprefix = 'svg_';
-
   /**
   * Changes the ID prefix to the given value
   * @function module:svgcanvas.SvgCanvas#setIdPrefix
   * @param {string} p - String with the new prefix
   * @returns {undefined}
   */
+
   canvas.setIdPrefix = function (p) {
     idprefix = p;
   };
-
   /**
   * Current draw.Drawing object
   * @type {module:draw.Drawing}
   * @name module:svgcanvas.SvgCanvas#current_drawing_
   */
-  canvas.current_drawing_ = new Drawing(svgcontent, idprefix);
 
+
+  canvas.current_drawing_ = new Drawing(svgcontent, idprefix);
   /**
   * Returns the current Drawing.
   * @function module:svgcanvas.SvgCanvas#getCurrentDrawing
   * @implements {module:draw.DrawCanvasInit#getCurrentDrawing}
   */
+
   var getCurrentDrawing = canvas.getCurrentDrawing = function () {
     return canvas.current_drawing_;
   };
-
   /**
   * Float displaying the current zoom level (1 = 100%, .5 = 50%, etc)
   * @type {Float}
   */
-  var currentZoom = 1;
 
-  // pointer to current group (for in-group editing)
-  var currentGroup = null;
 
-  // Object containing data for the currently selected styles
+  var currentZoom = 1; // pointer to current group (for in-group editing)
+
+  var currentGroup = null; // Object containing data for the currently selected styles
+
   var allProperties = {
     shape: {
       fill: (curConfig.initFill.color === 'none' ? '' : '#') + curConfig.initFill.color,
@@ -12468,22 +13361,18 @@ function SvgCanvas(container, config) {
       opacity: curConfig.initOpacity
     }
   };
-
   allProperties.text = $$9.extend(true, {}, allProperties.shape);
   $$9.extend(allProperties.text, {
     fill: '#000000',
     stroke_width: curConfig.text && curConfig.text.stroke_width,
     font_size: curConfig.text && curConfig.text.font_size,
     font_family: curConfig.text && curConfig.text.font_family
-  });
+  }); // Current shape style properties
 
-  // Current shape style properties
-  var curShape = allProperties.shape;
-
-  // Array with all the currently selected elements
+  var curShape = allProperties.shape; // Array with all the currently selected elements
   // default size of 1 until it needs to grow bigger
-  var selectedElements = [];
 
+  var selectedElements = [];
   /**
   * @typedef {PlainObject} module:svgcanvas.SVGAsJSON
   * @property {string} element
@@ -12496,52 +13385,55 @@ function SvgCanvas(container, config) {
   * @param {Text|Element} data
   * @returns {module:svgcanvas.SVGAsJSON}
   */
+
   var getJsonFromSvgElement = this.getJsonFromSvgElement = function (data) {
     // Text node
     if (data.nodeType === 3) return data.nodeValue;
-
     var retval = {
       element: data.tagName,
       // namespace: nsMap[data.namespaceURI],
       attr: {},
       children: []
-    };
+    }; // Iterate attributes
 
-    // Iterate attributes
     for (var i = 0, attr; attr = data.attributes[i]; i++) {
       retval.attr[attr.name] = attr.value;
-    }
+    } // Iterate children
+
 
-    // Iterate children
     for (var _i = 0, node; node = data.childNodes[_i]; _i++) {
       retval.children[_i] = getJsonFromSvgElement(node);
     }
 
     return retval;
   };
-
   /**
   * This should really be an intersection implementing all rather than a union
   * @function module:svgcanvas.SvgCanvas#addSVGElementFromJson
   * @implements {module:utilities.EditorContext#addSVGElementFromJson|module:path.EditorContext#addSVGElementFromJson}
   */
+
+
   var addSVGElementFromJson = this.addSVGElementFromJson = function (data) {
     if (typeof data === 'string') return svgdoc.createTextNode(data);
+    var shape = getElem(data.attr.id); // if shape is a path but we need to create a rect/ellipse, then remove the path
 
-    var shape = getElem(data.attr.id);
-    // if shape is a path but we need to create a rect/ellipse, then remove the path
     var currentLayer = getCurrentDrawing().getCurrentLayer();
+
     if (shape && data.element !== shape.tagName) {
       shape.remove();
       shape = null;
     }
+
     if (!shape) {
       var ns = data.namespace || NS.SVG;
       shape = svgdoc.createElementNS(ns, data.element);
+
       if (currentLayer) {
         (currentGroup || currentLayer).append(shape);
       }
     }
+
     if (data.curStyles) {
       assignAttributes(shape, {
         fill: curShape.fill,
@@ -12556,10 +13448,10 @@ function SvgCanvas(container, config) {
         style: 'pointer-events:inherit'
       }, 100);
     }
-    assignAttributes(shape, data.attr, 100);
-    cleanupElement(shape);
 
-    // Children
+    assignAttributes(shape, data.attr, 100);
+    cleanupElement(shape); // Children
+
     if (data.children) {
       data.children.forEach(function (child) {
         shape.append(addSVGElementFromJson(child));
@@ -12570,22 +13462,22 @@ function SvgCanvas(container, config) {
   };
 
   canvas.getTransformList = getTransformList;
-
   canvas.matrixMultiply = matrixMultiply;
   canvas.hasMatrixTransform = hasMatrixTransform;
   canvas.transformListToTransform = transformListToTransform;
-
   /**
   * @implements {module:utilities.EditorContext#getBaseUnit}
   */
+
   var getBaseUnit = function getBaseUnit() {
     return curConfig.baseUnit;
   };
-
   /**
   * initialize from units.js.
   * Send in an object implementing the ElementContainer interface (see units.js)
   */
+
+
   init(
   /**
   * @implements {module:units.ElementContainer}
@@ -12603,32 +13495,32 @@ function SvgCanvas(container, config) {
       return saveOptions.round_digits;
     }
   });
-
   canvas.convertToNum = convertToNum;
-
   /**
   * This should really be an intersection implementing all rather than a union
   * @implements {module:draw.DrawCanvasInit#getSVGContent|module:utilities.EditorContext#getSVGContent}
   */
+
   var getSVGContent = function getSVGContent() {
     return svgcontent;
   };
-
   /**
   * Should really be an intersection with all needing to apply rather than a union
   * @function module:svgcanvas.SvgCanvas#getSelectedElements
   * @implements {module:utilities.EditorContext#getSelectedElements|module:draw.DrawCanvasInit#getSelectedElements|module:path.EditorContext#getSelectedElements}
   */
+
+
   var getSelectedElements = this.getSelectedElems = function () {
     return selectedElements;
   };
 
   var pathActions$$1 = pathActions;
-
   /**
   * This should actually be an intersection as all interfaces should be met
   * @implements {module:utilities.EditorContext#getSVGRoot|module:recalculate.EditorContext#getSVGRoot|module:coords.EditorContext#getSVGRoot|module:path.EditorContext#getSVGRoot}
   */
+
   var getSVGRoot = function getSVGRoot() {
     return svgroot;
   };
@@ -12638,7 +13530,8 @@ function SvgCanvas(container, config) {
   * @implements {module:utilities.EditorContext}
   */
   {
-    pathActions: pathActions$$1, // Ok since not modifying
+    pathActions: pathActions$$1,
+    // Ok since not modifying
     getSVGContent: getSVGContent,
     addSVGElementFromJson: addSVGElementFromJson,
     getSelectedElements: getSelectedElements,
@@ -12648,7 +13541,6 @@ function SvgCanvas(container, config) {
     getDOMContainer: function getDOMContainer() {
       return container;
     },
-
     getSVGRoot: getSVGRoot,
     // TODO: replace this mostly with a way to get the current drawing.
     getBaseUnit: getBaseUnit,
@@ -12656,23 +13548,23 @@ function SvgCanvas(container, config) {
       return curConfig.snappingStep;
     }
   });
-
   canvas.findDefs = findDefs;
   canvas.getUrlFromAttr = getUrlFromAttr;
   canvas.getHref = getHref;
   canvas.setHref = setHref;
-  /* const getBBox = */canvas.getBBox = getBBox;
+  /* const getBBox = */
+
+  canvas.getBBox = getBBox;
   canvas.getRotationAngle = getRotationAngle;
   canvas.getElem = getElem;
   canvas.getRefElem = getRefElem;
   canvas.assignAttributes = assignAttributes;
-
   this.cleanupElement = cleanupElement;
-
   /**
   * This should actually be an intersection not a union as all should apply
   * @implements {module:coords.EditorContext|module:path.EditorContext}
   */
+
   var getGridSnapping = function getGridSnapping() {
     return curConfig.gridSnapping;
   };
@@ -12685,12 +13577,10 @@ function SvgCanvas(container, config) {
     getDrawing: function getDrawing() {
       return getCurrentDrawing();
     },
-
     getSVGRoot: getSVGRoot,
     getGridSnapping: getGridSnapping
   });
   this.remapElement = remapElement;
-
   init$5(
   /**
   * @implements {module:recalculate.EditorContext}
@@ -12704,17 +13594,16 @@ function SvgCanvas(container, config) {
       startTransform = transform;
     }
   });
-  this.recalculateDimensions = recalculateDimensions;
+  this.recalculateDimensions = recalculateDimensions; // import from sanitize.js
 
-  // import from sanitize.js
   var nsMap = getReverseNS();
   canvas.sanitizeSvg = sanitizeSvg;
-
   /**
   * @name undoMgr
   * @memberof module:svgcanvas.SvgCanvas#
   * @type {module:history.HistoryEventHandler}
   */
+
   var undoMgr = canvas.undoMgr = new UndoManager$1({
     /**
      * @param {string} eventType One of the HistoryEvent types
@@ -12723,8 +13612,8 @@ function SvgCanvas(container, config) {
      * @returns {undefined}
      */
     handleHistoryEvent: function handleHistoryEvent(eventType, cmd) {
-      var EventTypes = HistoryEventTypes$1;
-      // TODO: handle setBlurOffsets.
+      var EventTypes = HistoryEventTypes$1; // TODO: handle setBlurOffsets.
+
       if (eventType === EventTypes.BEFORE_UNAPPLY || eventType === EventTypes.BEFORE_APPLY) {
         canvas.clearSelection();
       } else if (eventType === EventTypes.AFTER_APPLY || eventType === EventTypes.AFTER_UNAPPLY) {
@@ -12733,8 +13622,10 @@ function SvgCanvas(container, config) {
         call('changed', elems);
         var cmdType = cmd.type();
         var isApply = eventType === EventTypes.AFTER_APPLY;
+
         if (cmdType === MoveElementCommand$1.type()) {
           var parent = isApply ? cmd.newParent : cmd.oldParent;
+
           if (parent === svgcontent) {
             identifyLayers();
           }
@@ -12742,6 +13633,7 @@ function SvgCanvas(container, config) {
           if (cmd.parent === svgcontent) {
             identifyLayers();
           }
+
           if (cmdType === InsertElementCommand$1.type()) {
             if (isApply) {
               restoreRefElems(cmd.elem);
@@ -12751,6 +13643,7 @@ function SvgCanvas(container, config) {
               restoreRefElems(cmd.elem);
             }
           }
+
           if (cmd.elem.tagName === 'use') {
             setUseData(cmd.elem);
           }
@@ -12759,12 +13652,12 @@ function SvgCanvas(container, config) {
           if (cmd.elem.tagName === 'title' && cmd.elem.parentNode.parentNode === svgcontent) {
             identifyLayers();
           }
-          var values = isApply ? cmd.newValues : cmd.oldValues;
-          // If stdDeviation was changed, update the blur.
+
+          var values = isApply ? cmd.newValues : cmd.oldValues; // If stdDeviation was changed, update the blur.
+
           if (values.stdDeviation) {
             canvas.setBlurOffsets(cmd.elem.parentNode, values.stdDeviation);
-          }
-          // This is resolved in later versions of webkit, perhaps we should
+          } // This is resolved in later versions of webkit, perhaps we should
           // have a featured detection for correct 'use' behavior?
           // ——————————
           // Remove & Re-add hack for Webkit (issue 775)
@@ -12778,34 +13671,37 @@ function SvgCanvas(container, config) {
           //    // Ok to replace above with this? `sib.before(elem);`
           //  }
           // }
+
         }
       }
     }
   });
-
   /**
   * This should really be an intersection applying to all types rather than a union
   * @function module:svgcanvas~addCommandToHistory
   * @implements {module:path.EditorContext#addCommandToHistory|module:draw.DrawCanvasInit#addCommandToHistory}
   */
+
   var addCommandToHistory = function addCommandToHistory(cmd) {
     canvas.undoMgr.addCommandToHistory(cmd);
   };
-
   /**
   * This should really be an intersection applying to all types rather than a union
   * @function module:svgcanvas.SvgCanvas#getZoom
   * @implements {module:path.EditorContext#getCurrentZoom|module:select.SVGFactory#getCurrentZoom}
   */
+
+
   var getCurrentZoom = this.getZoom = function () {
     return currentZoom;
   };
-
   /**
   * This method rounds the incoming value to the nearest value based on the `currentZoom`
   * @function module:svgcanvas.SvgCanvas#round
   * @implements {module:path.EditorContext#round}
   */
+
+
   var round = this.round = function (val) {
     return parseInt(val * currentZoom, 10) / currentZoom;
   };
@@ -12825,7 +13721,6 @@ function SvgCanvas(container, config) {
     svgContent: function svgContent() {
       return svgcontent;
     },
-
     getCurrentZoom: getCurrentZoom
   });
   /**
@@ -12833,24 +13728,25 @@ function SvgCanvas(container, config) {
   * @name module:svgcanvas.SvgCanvas#selectorManager
   * @type {module:select.SelectorManager}
   */
-  var selectorManager = this.selectorManager = getSelectorManager();
 
+  var selectorManager = this.selectorManager = getSelectorManager();
   /**
   * @function module:svgcanvas.SvgCanvas#getNextId
   * @implements {module:path.EditorContext#getNextId}
   */
+
   var getNextId = canvas.getNextId = function () {
     return getCurrentDrawing().getNextId();
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#getId
   * @implements {module:path.EditorContext#getId}
   */
+
+
   var getId = canvas.getId = function () {
     return getCurrentDrawing().getId();
   };
-
   /**
   * The "implements" should really be an intersection applying to all types rather than a union
   * @function module:svgcanvas.SvgCanvas#call
@@ -12859,12 +13755,13 @@ function SvgCanvas(container, config) {
   * @param {module:svgcanvas.SvgCanvas#event:GenericCanvasEvent} arg - Argument to pass through to the callback function.
   * @returns {undefined}
   */
+
+
   var call = function call(ev, arg) {
     if (events[ev]) {
       return events[ev](window, arg);
     }
   };
-
   /**
   * Clears the selection. The 'selected' handler is then optionally called.
   * This should really be an intersection applying to all types rather than a union
@@ -12872,11 +13769,14 @@ function SvgCanvas(container, config) {
   * @implements {module:draw.DrawCanvasInit#clearSelection|module:path.EditorContext#clearSelection}
   * @fires module:svgcanvas.SvgCanvas#event:selected
   */
+
+
   var clearSelection = this.clearSelection = function (noCall) {
     selectedElements.forEach(function (elem) {
       if (elem == null) {
         return;
       }
+
       selectorManager.releaseSelector(elem);
     });
     selectedElements = [];
@@ -12885,35 +13785,42 @@ function SvgCanvas(container, config) {
       call('selected', selectedElements);
     }
   };
-
   /**
   * Adds a list of elements to the selection. The 'selected' handler is then called.
   * @function module:svgcanvas.SvgCanvas#addToSelection
   * @implements {module:path.EditorContext#addToSelection}
   * @fires module:svgcanvas.SvgCanvas#event:selected
   */
+
+
   var addToSelection = this.addToSelection = function (elemsToAdd, showGrips) {
     if (!elemsToAdd.length) {
       return;
-    }
-    // find the first null in our selectedElements array
+    } // find the first null in our selectedElements array
+
 
     var j = 0;
+
     while (j < selectedElements.length) {
       if (selectedElements[j] == null) {
         break;
       }
-      ++j;
-    }
 
-    // now add each element consecutively
+      ++j;
+    } // now add each element consecutively
+
+
     var i = elemsToAdd.length;
+
     while (i--) {
       var elem = elemsToAdd[i];
+
       if (!elem) {
         continue;
       }
+
       var bbox = getBBox(elem);
+
       if (!bbox) {
         continue;
       }
@@ -12921,14 +13828,13 @@ function SvgCanvas(container, config) {
       if (elem.tagName === 'a' && elem.childNodes.length === 1) {
         // Make "a" element's child be the selected element
         elem = elem.firstChild;
-      }
+      } // if it's not already there, add it
+
 
-      // if it's not already there, add it
       if (!selectedElements.includes(elem)) {
-        selectedElements[j] = elem;
-
-        // only the first selectedBBoxes element is ever used in the codebase these days
+        selectedElements[j] = elem; // only the first selectedBBoxes element is ever used in the codebase these days
         // if (j === 0) selectedBBoxes[0] = utilsGetBBox(elem);
+
         j++;
         var sel = selectorManager.requestSelector(elem, bbox);
 
@@ -12937,75 +13843,78 @@ function SvgCanvas(container, config) {
         }
       }
     }
+
     call('selected', selectedElements);
 
     if (showGrips || selectedElements.length === 1) {
       selectorManager.requestSelector(selectedElements[0]).showGrips(true);
     } else {
       selectorManager.requestSelector(selectedElements[0]).showGrips(false);
-    }
-
-    // make sure the elements are in the correct order
+    } // make sure the elements are in the correct order
     // See: https://www.w3.org/TR/DOM-Level-3-Core/core.html#Node3-compareDocumentPosition
 
+
     selectedElements.sort(function (a, b) {
       if (a && b && a.compareDocumentPosition) {
         return 3 - (b.compareDocumentPosition(a) & 6);
       }
+
       if (a == null) {
         return 1;
       }
-    });
+    }); // Make sure first elements are not null
 
-    // Make sure first elements are not null
     while (selectedElements[0] == null) {
       selectedElements.shift(0);
     }
   };
-
   /**
   * @implements {module:path.EditorContext#getOpacity}
   */
+
+
   var getOpacity = function getOpacity() {
     return curShape.opacity;
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#getMouseTarget
   * @implements {module:path.EditorContext#getMouseTarget}
   */
+
+
   var getMouseTarget = this.getMouseTarget = function (evt) {
     if (evt == null) {
       return null;
     }
-    var mouseTarget = evt.target;
 
-    // if it was a <use>, Opera and WebKit return the SVGElementInstance
+    var mouseTarget = evt.target; // if it was a <use>, Opera and WebKit return the SVGElementInstance
+
     if (mouseTarget.correspondingUseElement) {
       mouseTarget = mouseTarget.correspondingUseElement;
-    }
-
-    // for foreign content, go up until we find the foreignObject
+    } // for foreign content, go up until we find the foreignObject
     // WebKit browsers set the mouse target to the svgcanvas div
+
+
     if ([NS.MATH, NS.HTML].includes(mouseTarget.namespaceURI) && mouseTarget.id !== 'svgcanvas') {
       while (mouseTarget.nodeName !== 'foreignObject') {
         mouseTarget = mouseTarget.parentNode;
+
         if (!mouseTarget) {
           return svgroot;
         }
       }
-    }
-
-    // Get the desired mouseTarget with jQuery selector-fu
+    } // Get the desired mouseTarget with jQuery selector-fu
     // If it's root-like, select the root
+
+
     var currentLayer = getCurrentDrawing().getCurrentLayer();
+
     if ([svgroot, container, svgcontent, currentLayer].includes(mouseTarget)) {
       return svgroot;
     }
 
-    var $target = $$9(mouseTarget);
+    var $target = $$9(mouseTarget); // If it's a selection grip, return the grip parent
 
-    // If it's a selection grip, return the grip parent
     if ($target.closest('#selectorParentGroup').length) {
       // While we could instead have just returned mouseTarget,
       // this makes it easier to indentify as being a selector grip
@@ -13014,9 +13923,7 @@ function SvgCanvas(container, config) {
 
     while (mouseTarget.parentNode !== (currentGroup || currentLayer)) {
       mouseTarget = mouseTarget.parentNode;
-    }
-
-    //
+    } //
     // // go up until we hit a child of a layer
     // while (mouseTarget.parentNode.parentNode.tagName == 'g') {
     //   mouseTarget = mouseTarget.parentNode;
@@ -13027,28 +13934,34 @@ function SvgCanvas(container, config) {
     //   mouseTarget = svgroot;
     // }
 
+
     return mouseTarget;
   };
-
   /**
   * @namespace {module:path.pathActions} pathActions
   * @memberof module:svgcanvas.SvgCanvas#
   * @see module:path.pathActions
   */
+
+
   canvas.pathActions = pathActions$$1;
   /**
   * @implements {module:path.EditorContext#resetD}
   */
+
   function resetD(p) {
     p.setAttribute('d', pathActions$$1.convertPath(p));
   }
+
   init$1(
   /**
   * @implements {module:path.EditorContext}
   */
   {
-    selectorManager: selectorManager, // Ok since not changing
-    canvas: canvas, // Ok since not changing
+    selectorManager: selectorManager,
+    // Ok since not changing
+    canvas: canvas,
+    // Ok since not changing
     call: call,
     resetD: resetD,
     round: round,
@@ -13083,11 +13996,13 @@ function SvgCanvas(container, config) {
     addPtsToSelection: function addPtsToSelection(_ref) {
       var closedSubpath = _ref.closedSubpath,
           grips = _ref.grips;
-
       // TODO: Correct this:
       pathActions$$1.canDeleteNodes = true;
       pathActions$$1.closed_subpath = closedSubpath;
-      call('pointsAdded', { closedSubpath: closedSubpath, grips: grips });
+      call('pointsAdded', {
+        closedSubpath: closedSubpath,
+        grips: grips
+      });
       call('selected', grips);
     },
 
@@ -13100,11 +14015,9 @@ function SvgCanvas(container, config) {
     endChanges: function endChanges(_ref2) {
       var cmd = _ref2.cmd,
           elem = _ref2.elem;
-
       addCommandToHistory(cmd);
       call('changed', [elem]);
     },
-
     getCurrentZoom: getCurrentZoom,
     getId: getId,
     getNextId: getNextId,
@@ -13123,19 +14036,14 @@ function SvgCanvas(container, config) {
       drawnPath = dp;
       return drawnPath;
     },
-
     getSVGRoot: getSVGRoot
-  });
+  }); // Interface strings, usually for title elements
 
-  // Interface strings, usually for title elements
   var uiStrings = {};
-
   var visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use';
   var refAttrs = ['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'];
+  var elData = $$9.data; // Animation element to change the opacity of any newly created element
 
-  var elData = $$9.data;
-
-  // Animation element to change the opacity of any newly created element
   var opacAni = document.createElementNS(NS.SVG, 'animate');
   $$9(opacAni).attr({
     attributeName: 'opacity',
@@ -13147,11 +14055,14 @@ function SvgCanvas(container, config) {
   var restoreRefElems = function restoreRefElems(elem) {
     // Look for missing reference elements, restore any found
     var attrs = $$9(elem).attr(refAttrs);
+
     for (var o in attrs) {
       var val = attrs[o];
+
       if (val && val.startsWith('url(')) {
         var id = getUrlFromAttr(val).substr(1);
         var ref = getElem(id);
+
         if (!ref) {
           findDefs().append(removedElements[id]);
           delete removedElements[id];
@@ -13166,9 +14077,7 @@ function SvgCanvas(container, config) {
         restoreRefElems(childs[i]);
       }
     }
-  };
-
-  // (function () {
+  }; // (function () {
   // TODO For Issue 208: this is a start on a thumbnail
   //  const svgthumb = svgdoc.createElementNS(NS.SVG, 'use');
   //  svgthumb.setAttribute('width', '100');
@@ -13183,84 +14092,58 @@ function SvgCanvas(container, config) {
    * @property {"embed"} [image]
    * @property {Integer} round_digits
    */
-
   // Object to contain image data for raster images that were found encodable
+
+
   var encodableImages = {},
+      // Object with save options
 
-
-  // Object with save options
   /**
    * @type {module:svgcanvas.SaveOptions}
    */
-  saveOptions = { round_digits: 5 },
-
-
-  // Object with IDs for imported files, to see if one was already added
+  saveOptions = {
+    round_digits: 5
+  },
+      // Object with IDs for imported files, to see if one was already added
   importIds = {},
-
-
-  // Current text style properties
+      // Current text style properties
   curText = allProperties.text,
-
-
-  // Object to contain all included extensions
+      // Object to contain all included extensions
   extensions = {},
-
-
-  // Map of deleted reference elements
+      // Map of deleted reference elements
   removedElements = {};
-
-  var
-  // String with image URL of last loadable image
+  var // String with image URL of last loadable image
   lastGoodImgUrl = curConfig.imgPath + 'logo.png',
-
-
-  // Boolean indicating whether or not a draw action has been started
+      // Boolean indicating whether or not a draw action has been started
   started = false,
-
-
-  // String with an element's initial transform attribute value
+      // String with an element's initial transform attribute value
   startTransform = null,
-
-
-  // String indicating the current editor mode
+      // String indicating the current editor mode
   currentMode = 'select',
-
-
-  // String with the current direction in which an element is being resized
+      // String with the current direction in which an element is being resized
   currentResizeMode = 'none',
-
-
-  // Current general properties
+      // Current general properties
   curProperties = curShape,
-
-
-  // Array with selected elements' Bounding box object
+      // Array with selected elements' Bounding box object
   // selectedBBoxes = new Array(1),
-
   // The DOM element that was just selected
   justSelected = null,
-
-
-  // DOM element for selection rectangle drawn by the user
+      // DOM element for selection rectangle drawn by the user
   rubberBox = null,
-
-
-  // Array of current BBoxes, used in getIntersectionList().
+      // Array of current BBoxes, used in getIntersectionList().
   curBBoxes = [],
-
-
-  // Canvas point for the most recent right click
+      // Canvas point for the most recent right click
   lastClickPoint = null;
-
   /**
   * @typedef {module:svgcanvas.ExtensionMouseDownStatus|module:svgcanvas.ExtensionMouseUpStatus|module:svgcanvas.ExtensionIDsUpdatedStatus|module:locale.ExtensionLocaleData[]|undefined} module:svgcanvas.ExtensionStatus
   * @tutorial ExtensionDocs
   */
+
   /**
   * @callback module:svgcanvas.ExtensionVarBuilder
   * @param {string} name The name of the extension
   */
+
   /**
   * @todo Consider: Should this return an array by default, so extension results aren't overwritten?
   * @todo Would be easier to document if passing in object with key of action and vars as value; could then define an interface which tied both together
@@ -13270,6 +14153,7 @@ function SvgCanvas(container, config) {
   * @param {boolean} [returnArray]
   * @returns {GenericArray.<module:svgcanvas.ExtensionStatus>|module:svgcanvas.ExtensionStatus|false} See {@tutorial ExtensionDocs} on the ExtensionStatus.
   */
+
   var runExtensions = this.runExtensions = function (action, vars, returnArray) {
     var result = returnArray ? [] : false;
     $$9.each(extensions, function (name, ext) {
@@ -13277,6 +14161,7 @@ function SvgCanvas(container, config) {
         if (typeof vars === 'function') {
           vars = vars(name); // ext, action
         }
+
         if (returnArray) {
           result.push(ext[action](vars));
         } else {
@@ -13286,17 +14171,18 @@ function SvgCanvas(container, config) {
     });
     return result;
   };
-
   /**
   * @typedef {PlainObject} module:svgcanvas.ExtensionMouseDownStatus
   * @property {boolean} started Indicates that creating/editing has started
   */
+
   /**
   * @typedef {PlainObject} module:svgcanvas.ExtensionMouseUpStatus
   * @property {boolean} keep Indicates if the current element should be kept
   * @property {boolean} started Indicates if editing should still be considered as "started"
   * @property {Element} element The element being affected
   */
+
   /**
   * @typedef {PlainObject} module:svgcanvas.ExtensionIDsUpdatedStatus
   * @property {string[]} remove Contains string IDs (used by `ext-connector.js`)
@@ -13308,81 +14194,97 @@ function SvgCanvas(container, config) {
    * @property {module:SVGEditor.Button[]|PlainObject.<Integer, module:SVGEditor.Button>} [buttons]
    * @property {string} [svgicons] The location of a local SVG or SVGz file
   */
+
   /**
    * @function module:svgcanvas.ExtensionInitResponse#mouseDown
    * @param {module:svgcanvas.SvgCanvas#event:ext-mouseDown} arg
    * @returns {undefined|module:svgcanvas.ExtensionMouseDownStatus}
    */
+
   /**
    * @function module:svgcanvas.ExtensionInitResponse#mouseMove
    * @param {module:svgcanvas.SvgCanvas#event:ext-mouseMove} arg
    * @returns {undefined}
   */
+
   /**
    * @function module:svgcanvas.ExtensionInitResponse#mouseUp
    * @param {module:svgcanvas.SvgCanvas#event:ext-mouseUp} arg
    * @returns {module:svgcanvas.ExtensionMouseUpStatus}
    */
+
   /**
    * @function module:svgcanvas.ExtensionInitResponse#zoomChanged
    * @param {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} arg
    * @returns {undefined}
   */
+
   /**
    * @function module:svgcanvas.ExtensionInitResponse#IDsUpdated
    * @param {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} arg
    * @returns {module:svgcanvas.ExtensionIDsUpdatedStatus}
    */
+
   /**
    * @function module:svgcanvas.ExtensionInitResponse#canvasUpdated
    * @param {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated} arg
    * @returns {undefined}
   */
+
   /**
    * @function module:svgcanvas.ExtensionInitResponse#toolButtonStateUpdate
    * @param {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} arg
    * @returns {undefined}
   */
+
   /**
    * @function module:svgcanvas.ExtensionInitResponse#selectedChanged
    * @param {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} arg
    * @returns {undefined}
   */
+
   /**
    * @function module:svgcanvas.ExtensionInitResponse#elementTransition
    * @param {module:svgcanvas.SvgCanvas#event:ext-elementTransition} arg
    * @returns {undefined}
   */
+
   /**
    * @function module:svgcanvas.ExtensionInitResponse#elementChanged
    * @param {module:svgcanvas.SvgCanvas#event:ext-elementChanged} arg
    * @returns {undefined}
   */
+
   /**
    * @function module:svgcanvas.ExtensionInitResponse#langReady
    * @param {module:svgcanvas.SvgCanvas#event:ext-langReady} arg
    * @returns {undefined}
   */
+
   /**
    * @function module:svgcanvas.ExtensionInitResponse#langChanged
    * @param {module:svgcanvas.SvgCanvas#event:ext-langChanged} arg
    * @returns {undefined}
   */
+
   /**
    * @function module:svgcanvas.ExtensionInitResponse#addLangData
    * @param {module:svgcanvas.SvgCanvas#event:ext-addLangData} arg
    * @returns {Promise} Resolves to {@link module:locale.ExtensionLocaleData}
   */
+
   /**
    * @function module:svgcanvas.ExtensionInitResponse#onNewDocument
    * @param {module:svgcanvas.SvgCanvas#event:ext-onNewDocument} arg
    * @returns {undefined}
   */
+
   /**
    * @function module:svgcanvas.ExtensionInitResponse#workareaResized
    * @param {module:svgcanvas.SvgCanvas#event:ext-workareaResized} arg
    * @returns {undefined}
   */
+
   /**
    * @function module:svgcanvas.ExtensionInitResponse#callback
    * @param {module:svgcanvas.SvgCanvas#event:ext-callback} arg
@@ -13395,6 +14297,7 @@ function SvgCanvas(container, config) {
   * @param {module:svgcanvas.ExtensionArgumentObject} arg
   * @returns {Promise} Resolves to [ExtensionInitResponse]{@link module:svgcanvas.ExtensionInitResponse} or `undefined`
   */
+
   /**
   * Add an extension to the editor
   * @function module:svgcanvas.SvgCanvas#addExtension
@@ -13405,8 +14308,14 @@ function SvgCanvas(container, config) {
   * @throws {TypeError} If `extInitFunc` is not a function
   * @returns {Promise} Resolves to `undefined`
   */
-  this.addExtension = function () {
-    var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(name, extInitFunc, importLocale) {
+
+
+  this.addExtension =
+  /*#__PURE__*/
+  function () {
+    var _ref3 = _asyncToGenerator(
+    /*#__PURE__*/
+    regeneratorRuntime.mark(function _callee(name, extInitFunc, importLocale) {
       var argObj, extObj;
       return regeneratorRuntime.wrap(function _callee$(_context) {
         while (1) {
@@ -13426,6 +14335,7 @@ function SvgCanvas(container, config) {
               }
 
               // Provide private vars/funcs here. Is there a better way to do this?
+
               /**
                * @typedef {module:svgcanvas.PrivateMethods} module:svgcanvas.ExtensionArgumentObject
                * @property {SVGSVGElement} svgroot See {@link module:svgcanvas~svgroot}
@@ -13434,6 +14344,7 @@ function SvgCanvas(container, config) {
                * @property {module:select.SelectorManager} selectorManager
                * @property {module:SVGEditor~ImportLocale} importLocale
                */
+
               /**
                * @type {module:svgcanvas.ExtensionArgumentObject}
                * @see {@link module:svgcanvas.PrivateMethods} source for the other methods/properties
@@ -13456,13 +14367,13 @@ function SvgCanvas(container, config) {
               }
 
               extensions[name] = extObj;
-              return _context.abrupt('return', call('extension_added', extObj));
+              return _context.abrupt("return", call('extension_added', extObj));
 
             case 12:
               console.log('Cannot add extension "' + name + '", an extension by that name already exists.');
 
             case 13:
-            case 'end':
+            case "end":
               return _context.stop();
           }
         }
@@ -13473,7 +14384,6 @@ function SvgCanvas(container, config) {
       return _ref3.apply(this, arguments);
     };
   }();
-
   /**
   * This method sends back an array or a NodeList full of elements that
   * intersect the multi-select rubber-band-box on the currentLayer only.
@@ -13486,14 +14396,16 @@ function SvgCanvas(container, config) {
   * @param {SVGRect} rect
   * @returns {Element[]|NodeList} Bbox elements
   */
+
+
   var getIntersectionList = this.getIntersectionList = function (rect) {
     if (rubberBox == null) {
       return null;
     }
 
     var parent = currentGroup || getCurrentDrawing().getCurrentLayer();
+    var rubberBBox;
 
-    var rubberBBox = void 0;
     if (!rect) {
       rubberBBox = rubberBox.getBBox();
       var bb = svgcontent.createSVGRect();
@@ -13501,6 +14413,7 @@ function SvgCanvas(container, config) {
       for (var o in rubberBBox) {
         bb[o] = rubberBBox[o] / currentZoom;
       }
+
       rubberBBox = bb;
     } else {
       rubberBBox = svgcontent.createSVGRect();
@@ -13511,12 +14424,12 @@ function SvgCanvas(container, config) {
     }
 
     var resultList = null;
+
     if (!isIE) {
       if (typeof svgroot.getIntersectionList === 'function') {
         // Offset the bbox of the rubber box by the offset of the svgcontent element.
         rubberBBox.x += parseInt(svgcontent.getAttribute('x'), 10);
         rubberBBox.y += parseInt(svgcontent.getAttribute('y'), 10);
-
         resultList = svgroot.getIntersectionList(rubberBBox, parent);
       }
     }
@@ -13528,27 +14441,28 @@ function SvgCanvas(container, config) {
         // Cache all bboxes
         curBBoxes = getVisibleElementsAndBBoxes(parent);
       }
+
       var i = curBBoxes.length;
+
       while (i--) {
         if (!rubberBBox.width) {
           continue;
         }
+
         if (rectsIntersect(rubberBBox, curBBoxes[i].bbox)) {
           resultList.push(curBBoxes[i].elem);
         }
       }
-    }
-
-    // addToSelection expects an array, but it's ok to pass a NodeList
+    } // addToSelection expects an array, but it's ok to pass a NodeList
     // because using square-bracket notation is allowed:
     // https://www.w3.org/TR/DOM-Level-2-Core/ecma-script-binding.html
+
+
     return resultList;
   };
 
   this.getStrokedBBox = getStrokedBBoxDefaultVisible;
-
   this.getVisibleElements = getVisibleElements;
-
   /**
   * @typedef {PlainObject} ElementAndBBox
   * @property {Element} elem - The element
@@ -13563,58 +14477,66 @@ function SvgCanvas(container, config) {
   * @param {Element} parent - The parent DOM element to search within
   * @returns {ElementAndBBox[]} An array with objects that include:
   */
+
   var getVisibleElementsAndBBoxes = this.getVisibleElementsAndBBoxes = function (parent) {
     if (!parent) {
       parent = $$9(svgcontent).children(); // Prevent layers from being included
     }
+
     var contentElems = [];
     $$9(parent).children().each(function (i, elem) {
       if (elem.getBBox) {
-        contentElems.push({ elem: elem, bbox: getStrokedBBoxDefaultVisible([elem]) });
+        contentElems.push({
+          elem: elem,
+          bbox: getStrokedBBoxDefaultVisible([elem])
+        });
       }
     });
     return contentElems.reverse();
   };
-
   /**
   * Wrap an SVG element into a group element, mark the group as 'gsvg'
   * @function module:svgcanvas.SvgCanvas#groupSvgElem
   * @param {Element} elem - SVG element to wrap
   * @returns {undefined}
   */
+
+
   var groupSvgElem = this.groupSvgElem = function (elem) {
     var g = document.createElementNS(NS.SVG, 'g');
     elem.replaceWith(g);
     $$9(g).append(elem).data('gsvg', elem)[0].id = getNextId();
-  };
-
-  // Set scope for these functions
-
+  }; // Set scope for these functions
   // Object to contain editor event names and callback functions
-  var events = {};
 
+
+  var events = {};
   canvas.call = call;
   /**
    * Array of what was changed (elements, layers)
    * @event module:svgcanvas.SvgCanvas#event:changed
    * @type {Element[]}
    */
+
   /**
    * Array of selected elements
    * @event module:svgcanvas.SvgCanvas#event:selected
    * @type {Element[]}
    */
+
   /**
    * Array of selected elements
    * @event module:svgcanvas.SvgCanvas#event:transition
    * @type {Element[]}
    */
+
   /**
    * The Element is always `SVGGElement`?
    * If not `null`, will be the set current group element
    * @event module:svgcanvas.SvgCanvas#event:contextset
    * @type {null|Element}
    */
+
   /**
    * @event module:svgcanvas.SvgCanvas#event:pointsAdded
    * @type {PlainObject}
@@ -13632,17 +14554,20 @@ function SvgCanvas(container, config) {
    * @property {0.5|2} factor
    * @see module:SVGEditor.BBoxObjectWithFactor
    */
+
   /**
    * @event module:svgcanvas.SvgCanvas#event:updateCanvas
    * @type {PlainObject}
    * @property {false} center
    * @property {module:math.XYObject} newCtr
    */
+
   /**
    * @typedef {PlainObject} module:svgcanvas.ExtensionInitResponsePlusName
    * @implements {module:svgcanvas.ExtensionInitResponse}
    * @property {string} name The extension's resolved ID (whether explicit or based on file name)
    */
+
   /**
    * Generalized extension object response of
    * [`init()`]{@link module:svgcanvas.ExtensionInitCallback}
@@ -13650,36 +14575,44 @@ function SvgCanvas(container, config) {
    * @event module:svgcanvas.SvgCanvas#event:extension_added
    * @type {module:svgcanvas.ExtensionInitResponsePlusName|undefined}
    */
+
   /**
    * @event module:svgcanvas.SvgCanvas#event:extensions_added
    * @type {undefined}
   */
+
   /**
    * @typedef {PlainObject} module:svgcanvas.Message
    * @property {Any} data The data
    * @property {string} origin The origin
    */
+
   /**
    * @event module:svgcanvas.SvgCanvas#event:message
    * @type {module:svgcanvas.Message}
    */
+
   /**
    * SVG canvas converted to string
    * @event module:svgcanvas.SvgCanvas#event:saved
    * @type {string}
    */
+
   /**
    * @event module:svgcanvas.SvgCanvas#event:setnonce
    * @type {!(string|Integer)}
    */
+
   /**
    * @event module:svgcanvas.SvgCanvas#event:unsetnonce
    * @type {undefined}
    */
+
   /**
    * @event module:svgcanvas.SvgCanvas#event:zoomDone
    * @type {undefined}
   */
+
   /**
    * @event module:svgcanvas.SvgCanvas#event:cleared
    * @type {undefined}
@@ -13689,10 +14622,12 @@ function SvgCanvas(container, config) {
    * @event module:svgcanvas.SvgCanvas#event:exported
    * @type {module:svgcanvas.ImageExportedResults}
    */
+
   /**
    * @event module:svgcanvas.SvgCanvas#event:exportedPDF
    * @type {module:svgcanvas.PDFExportedResults}
    */
+
   /**
    * Creating a cover-all class until {@link https://github.com/jsdoc3/jsdoc/issues/1545} may be supported.
    * `undefined` may be returned by {@link module:svgcanvas.SvgCanvas#event:extension_added} if the extension's `init` returns `undefined` It is also the type for the following events "zoomDone", "unsetnonce", "cleared", and "extensions_added".
@@ -13714,29 +14649,30 @@ function SvgCanvas(container, config) {
   * @param {module:svgcanvas.EventHandler} f - The callback function to bind to the event
   * @returns {module:svgcanvas.EventHandler} The previous event
   */
+
   canvas.bind = function (ev, f) {
     var old = events[ev];
     events[ev] = f;
     return old;
   };
-
   /**
   * Runs the SVG Document through the sanitizer and then updates its paths.
   * @function module:svgcanvas.SvgCanvas#prepareSvg
   * @param {XMLDocument} newDoc - The SVG DOM document
   * @returns {undefined}
   */
-  this.prepareSvg = function (newDoc) {
-    this.sanitizeSvg(newDoc.documentElement);
 
-    // convert paths into absolute commands
-    var paths = [].concat(toConsumableArray(newDoc.getElementsByTagNameNS(NS.SVG, 'path')));
+
+  this.prepareSvg = function (newDoc) {
+    this.sanitizeSvg(newDoc.documentElement); // convert paths into absolute commands
+
+    var paths = _toConsumableArray(newDoc.getElementsByTagNameNS(NS.SVG, 'path'));
+
     paths.forEach(function (path$$1) {
       path$$1.setAttribute('d', pathActions$$1.convertPath(path$$1));
       pathActions$$1.fixEnd(path$$1);
     });
   };
-
   /**
   * Hack for Firefox bugs where text element features aren't updated or get
   * messed up. See issue 136 and issue 137.
@@ -13747,10 +14683,13 @@ function SvgCanvas(container, config) {
   * @param {Element} elem - The (text) DOM element to clone
   * @returns {Element} Cloned element
   */
+
+
   var ffClone = function ffClone(elem) {
     if (!isGecko()) {
       return elem;
     }
+
     var clone = elem.cloneNode(true);
     elem.before(clone);
     elem.remove();
@@ -13758,9 +14697,7 @@ function SvgCanvas(container, config) {
     selectedElements[0] = clone;
     selectorManager.requestSelector(clone).showGrips(true);
     return clone;
-  };
-
-  // `this.each` is deprecated, if any extension used this it can be recreated by doing this:
+  }; // `this.each` is deprecated, if any extension used this it can be recreated by doing this:
   // * @example $(canvas.getRootElem()).children().each(...)
   // * @function module:svgcanvas.SvgCanvas#each
   // this.each = function (cb) {
@@ -13776,6 +14713,8 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {undefined}
   */
+
+
   this.setRotationAngle = function (val, preventUndo) {
     // ensure val is the proper type
     val = parseFloat(val);
@@ -13784,20 +14723,22 @@ function SvgCanvas(container, config) {
     var bbox = getBBox(elem);
     var cx = bbox.x + bbox.width / 2,
         cy = bbox.y + bbox.height / 2;
-    var tlist = getTransformList(elem);
+    var tlist = getTransformList(elem); // only remove the real rotational transform if present (i.e. at index=0)
 
-    // only remove the real rotational transform if present (i.e. at index=0)
     if (tlist.numberOfItems > 0) {
       var xform = tlist.getItem(0);
+
       if (xform.type === 4) {
         tlist.removeItem(0);
       }
-    }
-    // find Rnc and insert it
+    } // find Rnc and insert it
+
+
     if (val !== 0) {
       var center = transformPoint(cx, cy, transformListToTransform(tlist).matrix);
       var Rnc = svgroot.createSVGTransform();
       Rnc.setRotate(val, center.x, center.y);
+
       if (tlist.numberOfItems) {
         tlist.insertItemBefore(Rnc, 0);
       } else {
@@ -13814,16 +14755,16 @@ function SvgCanvas(container, config) {
       elem.setAttribute('transform', oldTransform);
       changeSelectedAttribute('transform', newTransform, selectedElements);
       call('changed', selectedElements);
-    }
-    // const pointGripContainer = getElem('pathpointgrip_container');
+    } // const pointGripContainer = getElem('pathpointgrip_container');
     // if (elem.nodeName === 'path' && pointGripContainer) {
     //   pathActions.setPointContainerTransform(elem.getAttribute('transform'));
     // }
+
+
     var selector = selectorManager.requestSelector(selectedElements[0]);
     selector.resize();
     selector.updateGripCursors(val);
   };
-
   /**
   * Runs `recalculateDimensions` on the selected elements,
   * adding the changes to a single batch command
@@ -13831,15 +14772,18 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {undefined}
   */
+
+
   var recalculateAllSelectedDimensions = this.recalculateAllSelectedDimensions = function () {
     var text = currentResizeMode === 'none' ? 'position' : 'size';
     var batchCmd = new BatchCommand$1(text);
-
     var i = selectedElements.length;
+
     while (i--) {
-      var elem = selectedElements[i];
-      // if (getRotationAngle(elem) && !hasMatrixTransform(getTransformList(elem))) { continue; }
+      var elem = selectedElements[i]; // if (getRotationAngle(elem) && !hasMatrixTransform(getTransformList(elem))) { continue; }
+
       var cmd = recalculateDimensions(elem);
+
       if (cmd) {
         batchCmd.addSubCommand(cmd);
       }
@@ -13850,24 +14794,23 @@ function SvgCanvas(container, config) {
       call('changed', selectedElements);
     }
   };
-
   /**
    * Debug tool to easily see the current matrix in the browser's console
    * @function module:svgcanvas~logMatrix
    * @param {SVGMatrix} m The matrix
    * @returns {undefined}
    */
+
+
   var logMatrix = function logMatrix(m) {
     console.log([m.a, m.b, m.c, m.d, m.e, m.f]);
-  };
+  }; // Root Current Transformation Matrix in user units
+
 
-  // Root Current Transformation Matrix in user units
   var rootSctm = null;
-
   /**
   * Group: Selection
   */
-
   // TODO: do we need to worry about selectedBBoxes here?
 
   /**
@@ -13877,12 +14820,11 @@ function SvgCanvas(container, config) {
   * @param {boolean} showGrips - Indicates whether the resize grips should be shown
   * @returns {undefined}
   */
+
   var selectOnly = this.selectOnly = function (elems, showGrips) {
     clearSelection(true);
     addToSelection(elems, showGrips);
-  };
-
-  // TODO: could use slice here to make this faster?
+  }; // TODO: could use slice here to make this faster?
   // TODO: should the 'selected' handler
 
   /**
@@ -13891,19 +14833,26 @@ function SvgCanvas(container, config) {
   * @param {Element[]} elemsToRemove - An array of elements to remove from selection
   * @returns {undefined}
   */
-  /* const removeFromSelection = */this.removeFromSelection = function (elemsToRemove) {
+
+  /* const removeFromSelection = */
+
+
+  this.removeFromSelection = function (elemsToRemove) {
     if (selectedElements[0] == null) {
       return;
     }
+
     if (!elemsToRemove.length) {
       return;
-    }
+    } // find every element and remove it from our array copy
+
 
-    // find every element and remove it from our array copy
     var newSelectedItems = [],
         len = selectedElements.length;
+
     for (var i = 0; i < len; ++i) {
       var elem = selectedElements[i];
+
       if (elem) {
         // keep the item
         if (!elemsToRemove.includes(elem)) {
@@ -13913,27 +14862,29 @@ function SvgCanvas(container, config) {
           selectorManager.releaseSelector(elem);
         }
       }
-    }
-    // the copy becomes the master now
+    } // the copy becomes the master now
+
+
     selectedElements = newSelectedItems;
   };
-
   /**
   * Clears the selection, then adds all elements in the current layer to the selection.
   * @function module:svgcanvas.SvgCanvas#selectAllInCurrentLayer
   * @returns {undefined}
   */
+
+
   this.selectAllInCurrentLayer = function () {
     var currentLayer = getCurrentDrawing().getCurrentLayer();
+
     if (currentLayer) {
       currentMode = 'select';
       selectOnly($$9(currentGroup || currentLayer).children());
     }
   };
 
-  var drawnPath = null;
+  var drawnPath = null; // Mouse events
 
-  // Mouse events
   (function () {
     var freehand = {
       minx: null,
@@ -13950,17 +14901,38 @@ function SvgCanvas(container, config) {
         rStartY = null,
         initBbox = {},
         sumDistance = 0,
-        controllPoint2 = { x: 0, y: 0 },
-        controllPoint1 = { x: 0, y: 0 },
-        start = { x: 0, y: 0 },
-        end = { x: 0, y: 0 },
-        bSpline = { x: 0, y: 0 },
-        nextPos = { x: 0, y: 0 },
-        parameter = void 0,
-        nextParameter = void 0;
+        controllPoint2 = {
+      x: 0,
+      y: 0
+    },
+        controllPoint1 = {
+      x: 0,
+      y: 0
+    },
+        start = {
+      x: 0,
+      y: 0
+    },
+        end = {
+      x: 0,
+      y: 0
+    },
+        bSpline = {
+      x: 0,
+      y: 0
+    },
+        nextPos = {
+      x: 0,
+      y: 0
+    },
+        parameter,
+        nextParameter;
 
     var getBsplinePoint = function getBsplinePoint(t) {
-      var spline = { x: 0, y: 0 },
+      var spline = {
+        x: 0,
+        y: 0
+      },
           p0 = controllPoint2,
           p1 = controllPoint1,
           p2 = start,
@@ -13968,12 +14940,9 @@ function SvgCanvas(container, config) {
           S = 1.0 / 6.0,
           t2 = t * t,
           t3 = t2 * t;
-
       var m = [[-1, 3, -3, 1], [3, -6, 3, 0], [-3, 0, 3, 0], [1, 4, 1, 0]];
-
       spline.x = S * ((p0.x * m[0][0] + p1.x * m[0][1] + p2.x * m[0][2] + p3.x * m[0][3]) * t3 + (p0.x * m[1][0] + p1.x * m[1][1] + p2.x * m[1][2] + p3.x * m[1][3]) * t2 + (p0.x * m[2][0] + p1.x * m[2][1] + p2.x * m[2][2] + p3.x * m[2][3]) * t + (p0.x * m[3][0] + p1.x * m[3][1] + p2.x * m[3][2] + p3.x * m[3][3]));
       spline.y = S * ((p0.y * m[0][0] + p1.y * m[0][1] + p2.y * m[0][2] + p3.y * m[0][3]) * t3 + (p0.y * m[1][0] + p1.y * m[1][1] + p2.y * m[1][2] + p3.y * m[1][3]) * t2 + (p0.y * m[2][0] + p1.y * m[2][1] + p2.y * m[2][2] + p3.y * m[2][3]) * t + (p0.y * m[3][0] + p1.y * m[3][1] + p2.y * m[3][2] + p3.y * m[3][3]));
-
       return {
         x: spline.x,
         y: spline.y
@@ -13988,6 +14957,8 @@ function SvgCanvas(container, config) {
      * @fires module:svgcanvas.SvgCanvas#event:ext-mouseDown
      * @returns {undefined}
      */
+
+
     var mouseDown = function mouseDown(evt) {
       if (canvas.spaceKey || evt.button === 1) {
         return;
@@ -14001,32 +14972,29 @@ function SvgCanvas(container, config) {
       }
 
       rootSctm = $$9('#svgcontent g')[0].getScreenCTM().inverse();
-
       var pt = transformPoint(evt.pageX, evt.pageY, rootSctm),
           mouseX = pt.x * currentZoom,
           mouseY = pt.y * currentZoom;
-
       evt.preventDefault();
 
       if (rightClick) {
         currentMode = 'select';
         lastClickPoint = pt;
-      }
-
-      // This would seem to be unnecessary...
+      } // This would seem to be unnecessary...
       // if (!['select', 'resize'].includes(currentMode)) {
       //   setGradient();
       // }
 
+
       var x = mouseX / currentZoom,
           y = mouseY / currentZoom;
       var mouseTarget = getMouseTarget(evt);
 
       if (mouseTarget.tagName === 'a' && mouseTarget.childNodes.length === 1) {
         mouseTarget = mouseTarget.firstChild;
-      }
+      } // realX/y ignores grid-snap value
+
 
-      // realX/y ignores grid-snap value
       var realX = x;
       rStartX = startX = x;
       var realY = y;
@@ -14037,33 +15005,33 @@ function SvgCanvas(container, config) {
         y = snapToGrid(y);
         startX = snapToGrid(startX);
         startY = snapToGrid(startY);
-      }
-
-      // if it is a selector grip, then it must be a single element selected,
+      } // if it is a selector grip, then it must be a single element selected,
       // set the mouseTarget to that and update the mode to rotate/resize
 
+
       if (mouseTarget === selectorManager.selectorParentGroup && selectedElements[0] != null) {
         var grip = evt.target;
-        var griptype = elData(grip, 'type');
-        // rotating
+        var griptype = elData(grip, 'type'); // rotating
+
         if (griptype === 'rotate') {
-          currentMode = 'rotate';
-          // resizing
+          currentMode = 'rotate'; // resizing
         } else if (griptype === 'resize') {
           currentMode = 'resize';
           currentResizeMode = elData(grip, 'dir');
         }
+
         mouseTarget = selectedElements[0];
       }
 
       startTransform = mouseTarget.getAttribute('transform');
-      var i = void 0,
-          strokeW = void 0;
+      var i, strokeW;
       var tlist = getTransformList(mouseTarget);
+
       switch (currentMode) {
         case 'select':
           started = true;
           currentResizeMode = 'none';
+
           if (rightClick) {
             started = false;
           }
@@ -14077,11 +15045,12 @@ function SvgCanvas(container, config) {
                 // No need to do the call here as it will be done on addToSelection
                 clearSelection(true);
               }
+
               addToSelection([mouseTarget]);
               justSelected = mouseTarget;
               pathActions$$1.clear();
-            }
-            // else if it's a path, go into pathedit mode in mouseup
+            } // else if it's a path, go into pathedit mode in mouseup
+
 
             if (!rightClick) {
               // insert a dummy transform so if the element(s) are moved it will have
@@ -14090,7 +15059,9 @@ function SvgCanvas(container, config) {
                 if (selectedElements[i] == null) {
                   continue;
                 }
+
                 var slist = getTransformList(selectedElements[i]);
+
                 if (slist.numberOfItems) {
                   slist.insertItemBefore(svgroot.createSVGTransform(), 0);
                 } else {
@@ -14101,12 +15072,13 @@ function SvgCanvas(container, config) {
           } else if (!rightClick) {
             clearSelection();
             currentMode = 'multiselect';
+
             if (rubberBox == null) {
               rubberBox = selectorManager.getRubberBandBox();
             }
+
             rStartX *= currentZoom;
-            rStartY *= currentZoom;
-            // console.log('p',[evt.pageX, evt.pageY]);
+            rStartY *= currentZoom; // console.log('p',[evt.pageX, evt.pageY]);
             // console.log('c',[evt.clientX, evt.clientY]);
             // console.log('o',[evt.offsetX, evt.offsetY]);
             // console.log('s',[startX, startY]);
@@ -14119,12 +15091,16 @@ function SvgCanvas(container, config) {
               display: 'inline'
             }, 100);
           }
+
           break;
+
         case 'zoom':
           started = true;
+
           if (rubberBox == null) {
             rubberBox = selectorManager.getRubberBandBox();
           }
+
           assignAttributes(rubberBox, {
             x: realX * currentZoom,
             y: realX * currentZoom,
@@ -14133,22 +15109,21 @@ function SvgCanvas(container, config) {
             display: 'inline'
           }, 100);
           break;
+
         case 'resize':
           started = true;
           startX = x;
-          startY = y;
-
-          // Getting the BBox from the selection box, since we know we
+          startY = y; // Getting the BBox from the selection box, since we know we
           // want to orient around it
+
           initBbox = getBBox($$9('#selectedBox0')[0]);
           var bb = {};
           $$9.each(initBbox, function (key, val) {
             bb[key] = val / currentZoom;
           });
-          initBbox = bb;
-
-          // append three dummy transforms to the tlist so that
+          initBbox = bb; // append three dummy transforms to the tlist so that
           // we can translate,scale,translate in mousemove
+
           var pos = getRotationAngle(mouseTarget) ? 1 : 0;
 
           if (hasMatrixTransform(tlist)) {
@@ -14166,47 +15141,55 @@ function SvgCanvas(container, config) {
               // Chromium issue: https://code.google.com/p/chromium/issues/detail?id=114625
               // TODO: Remove this workaround once vendor fixes the issue
               var iswebkit = isWebkit();
+              var delayedStroke;
 
-              var delayedStroke = void 0;
               if (iswebkit) {
                 delayedStroke = function delayedStroke(ele) {
                   var _stroke = ele.getAttributeNS(null, 'stroke');
-                  ele.removeAttributeNS(null, 'stroke');
-                  // Re-apply stroke after delay. Anything higher than 1 seems to cause flicker
+
+                  ele.removeAttributeNS(null, 'stroke'); // Re-apply stroke after delay. Anything higher than 1 seems to cause flicker
+
                   if (_stroke !== null) setTimeout(function () {
                     ele.setAttributeNS(null, 'stroke', _stroke);
                   }, 0);
                 };
               }
+
               mouseTarget.style.vectorEffect = 'non-scaling-stroke';
+
               if (iswebkit) {
                 delayedStroke(mouseTarget);
               }
 
               var all = mouseTarget.getElementsByTagName('*'),
                   len = all.length;
+
               for (i = 0; i < len; i++) {
                 if (!all[i].style) {
                   // mathML
                   continue;
                 }
+
                 all[i].style.vectorEffect = 'non-scaling-stroke';
+
                 if (iswebkit) {
                   delayedStroke(all[i]);
                 }
               }
             }
           }
+
           break;
+
         case 'fhellipse':
         case 'fhrect':
         case 'fhpath':
           start.x = realX;
           start.y = realY;
           started = true;
-          dAttr = realX + ',' + realY + ' ';
-          // Commented out as doing nothing now:
+          dAttr = realX + ',' + realY + ' '; // Commented out as doing nothing now:
           // strokeW = parseFloat(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;
+
           addSVGElementFromJson({
             element: 'polyline',
             curStyles: true,
@@ -14224,6 +15207,7 @@ function SvgCanvas(container, config) {
           freehand.miny = realY;
           freehand.maxy = realY;
           break;
+
         case 'image':
           started = true;
           var newImage = addSVGElementFromJson({
@@ -14241,10 +15225,11 @@ function SvgCanvas(container, config) {
           setHref(newImage, lastGoodImgUrl);
           preventClickDefault(newImage);
           break;
-        case 'square':
-        // FIXME: once we create the rect, we lose information that this was a square
+
+        case 'square': // FIXME: once we create the rect, we lose information that this was a square
         // (for resizing purposes this could be important)
         // Fallthrough
+
         case 'rect':
           started = true;
           startX = x;
@@ -14262,6 +15247,7 @@ function SvgCanvas(container, config) {
             }
           });
           break;
+
         case 'line':
           started = true;
           strokeW = Number(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;
@@ -14286,6 +15272,7 @@ function SvgCanvas(container, config) {
             }
           });
           break;
+
         case 'circle':
           started = true;
           addSVGElementFromJson({
@@ -14300,6 +15287,7 @@ function SvgCanvas(container, config) {
             }
           });
           break;
+
         case 'ellipse':
           started = true;
           addSVGElementFromJson({
@@ -14315,9 +15303,12 @@ function SvgCanvas(container, config) {
             }
           });
           break;
+
         case 'text':
           started = true;
-          /* const newText = */addSVGElementFromJson({
+          /* const newText = */
+
+          addSVGElementFromJson({
             element: 'text',
             curStyles: true,
             attr: {
@@ -14332,33 +15323,36 @@ function SvgCanvas(container, config) {
               'xml:space': 'preserve',
               opacity: curShape.opacity
             }
-          });
-          // newText.textContent = 'text';
+          }); // newText.textContent = 'text';
+
           break;
-        case 'path':
-        // Fall through
+
+        case 'path': // Fall through
+
         case 'pathedit':
           startX *= currentZoom;
           startY *= currentZoom;
           pathActions$$1.mouseDown(evt, mouseTarget, startX, startY);
           started = true;
           break;
+
         case 'textedit':
           startX *= currentZoom;
           startY *= currentZoom;
           textActions.mouseDown(evt, mouseTarget, startX, startY);
           started = true;
           break;
+
         case 'rotate':
-          started = true;
-          // we are starting an undoable change (a drag-rotation)
+          started = true; // we are starting an undoable change (a drag-rotation)
+
           canvas.undoMgr.beginUndoableChange('transform', selectedElements);
           break;
+
         default:
           // This could occur in an extension
           break;
       }
-
       /**
        * The main (left) mouse button is held down on the canvas area
        * @event module:svgcanvas.SvgCanvas#event:ext-mouseDown
@@ -14368,22 +15362,24 @@ function SvgCanvas(container, config) {
        * @property {Float} start_y y coordinate on canvas
        * @property {Element[]} selectedElements An array of the selected Elements
       */
-      var extResult = runExtensions('mouseDown', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseDown} */{
+
+
+      var extResult = runExtensions('mouseDown',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseDown} */
+      {
         event: evt,
         start_x: startX,
         start_y: startY,
         selectedElements: selectedElements
       }, true);
-
       $$9.each(extResult, function (i, r) {
         if (r && r.started) {
           started = true;
         }
       });
-    };
-
-    // in this function we do not record any state changes yet (but we do update
+    }; // in this function we do not record any state changes yet (but we do update
     // any elements that are still being created, moved or resized on the canvas)
+
     /**
      *
      * @param {MouseEvent} evt
@@ -14391,30 +15387,32 @@ function SvgCanvas(container, config) {
      * @fires module:svgcanvas.SvgCanvas#event:ext-mouseMove
      * @returns {undefined}
      */
+
+
     var mouseMove = function mouseMove(evt) {
       if (!started) {
         return;
       }
+
       if (evt.button === 1 || canvas.spaceKey) {
         return;
       }
 
-      var i = void 0,
-          xya = void 0,
-          c = void 0,
-          cx = void 0,
-          cy = void 0,
-          dx = void 0,
-          dy = void 0,
-          len = void 0,
-          angle = void 0,
-          box = void 0,
+      var i,
+          xya,
+          c,
+          cx,
+          cy,
+          dx,
+          dy,
+          len,
+          angle,
+          box,
           selected = selectedElements[0];
       var pt = transformPoint(evt.pageX, evt.pageY, rootSctm),
           mouseX = pt.x * currentZoom,
           mouseY = pt.y * currentZoom,
           shape = getElem(getId());
-
       var realX = mouseX / currentZoom;
       var x = realX;
       var realY = mouseY / currentZoom;
@@ -14426,7 +15424,8 @@ function SvgCanvas(container, config) {
       }
 
       evt.preventDefault();
-      var tlist = void 0;
+      var tlist;
+
       switch (currentMode) {
         case 'select':
           {
@@ -14441,7 +15440,6 @@ function SvgCanvas(container, config) {
                 dx = snapToGrid(dx);
                 dy = snapToGrid(dy);
               }
-
               /*
               // Commenting out as currently has no effect
               if (evt.shiftKey) {
@@ -14450,43 +15448,49 @@ function SvgCanvas(container, config) {
               }
               */
 
+
               if (dx !== 0 || dy !== 0) {
                 len = selectedElements.length;
+
                 for (i = 0; i < len; ++i) {
                   selected = selectedElements[i];
+
                   if (selected == null) {
                     break;
-                  }
-                  // if (i === 0) {
+                  } // if (i === 0) {
                   //   const box = utilsGetBBox(selected);
                   //     selectedBBoxes[i].x = box.x + dx;
                   //     selectedBBoxes[i].y = box.y + dy;
                   // }
-
                   // update the dummy transform in our transform list
                   // to be a translate
+
+
                   var xform = svgroot.createSVGTransform();
-                  tlist = getTransformList(selected);
-                  // Note that if Webkit and there's no ID for this
+                  tlist = getTransformList(selected); // Note that if Webkit and there's no ID for this
                   // element, the dummy transform may have gotten lost.
                   // This results in unexpected behaviour
 
                   xform.setTranslate(dx, dy);
+
                   if (tlist.numberOfItems) {
                     tlist.replaceItem(xform, 0);
                   } else {
                     tlist.appendItem(xform);
-                  }
+                  } // update our internal bbox that we're tracking while dragging
+
 
-                  // update our internal bbox that we're tracking while dragging
                   selectorManager.requestSelector(selected).resize();
                 }
 
                 call('transition', selectedElements);
               }
             }
+
             break;
-          }case 'multiselect':
+          }
+
+        case 'multiselect':
           {
             realX *= currentZoom;
             realY *= currentZoom;
@@ -14495,26 +15499,27 @@ function SvgCanvas(container, config) {
               y: Math.min(rStartY, realY),
               width: Math.abs(realX - rStartX),
               height: Math.abs(realY - rStartY)
-            }, 100);
-
-            // for each selected:
+            }, 100); // for each selected:
             // - if newList contains selected, do nothing
             // - if newList doesn't contain selected, remove it from selected
             // - for any newList that was not in selectedElements, add it to selected
+
             var elemsToRemove = selectedElements.slice(),
                 elemsToAdd = [],
-                newList = getIntersectionList();
+                newList = getIntersectionList(); // For every element in the intersection, add if not present in selectedElements.
 
-            // For every element in the intersection, add if not present in selectedElements.
             len = newList.length;
+
             for (i = 0; i < len; ++i) {
-              var intElem = newList[i];
-              // Found an element that was not selected before, so we should add it.
+              var intElem = newList[i]; // Found an element that was not selected before, so we should add it.
+
               if (!selectedElements.includes(intElem)) {
                 elemsToAdd.push(intElem);
-              }
-              // Found an element that was already selected, so we shouldn't remove it.
+              } // Found an element that was already selected, so we shouldn't remove it.
+
+
               var foundInd = elemsToRemove.indexOf(intElem);
+
               if (foundInd !== -1) {
                 elemsToRemove.splice(foundInd, 1);
               }
@@ -14529,7 +15534,9 @@ function SvgCanvas(container, config) {
             }
 
             break;
-          }case 'resize':
+          }
+
+        case 'resize':
           {
             // we track the resize bounding box and translate/scale the selected element
             // while the mouse is down, when mouse goes up, we use this to recalculate
@@ -14542,7 +15549,6 @@ function SvgCanvas(container, config) {
                 _box = box,
                 width = _box.width,
                 height = _box.height;
-
             dx = x - startX;
             dy = y - startY;
 
@@ -14551,22 +15557,24 @@ function SvgCanvas(container, config) {
               dy = snapToGrid(dy);
               height = snapToGrid(height);
               width = snapToGrid(width);
-            }
+            } // if rotated, adjust the dx,dy values
+
 
-            // if rotated, adjust the dx,dy values
             angle = getRotationAngle(selected);
+
             if (angle) {
               var r = Math.sqrt(dx * dx + dy * dy),
                   theta = Math.atan2(dy, dx) - angle * Math.PI / 180.0;
               dx = r * Math.cos(theta);
               dy = r * Math.sin(theta);
-            }
-
-            // if not stretching in y direction, set dy to 0
+            } // if not stretching in y direction, set dy to 0
             // if not stretching in x direction, set dx to 0
+
+
             if (!currentResizeMode.includes('n') && !currentResizeMode.includes('s')) {
               dy = 0;
             }
+
             if (!currentResizeMode.includes('e') && !currentResizeMode.includes('w')) {
               dx = 0;
             }
@@ -14575,20 +15583,20 @@ function SvgCanvas(container, config) {
             tx = 0,
                 ty = 0,
                 sy = height ? (height + dy) / height : 1,
-                sx = width ? (width + dx) / width : 1;
-            // if we are dragging on the north side, then adjust the scale factor and ty
+                sx = width ? (width + dx) / width : 1; // if we are dragging on the north side, then adjust the scale factor and ty
+
             if (currentResizeMode.includes('n')) {
               sy = height ? (height - dy) / height : 1;
               ty = height;
-            }
+            } // if we dragging on the east side, then adjust the scale factor and tx
+
 
-            // if we dragging on the east side, then adjust the scale factor and tx
             if (currentResizeMode.includes('w')) {
               sx = width ? (width - dx) / width : 1;
               tx = width;
-            }
+            } // update the transform list with translate,scale,translate
+
 
-            // update the transform list with translate,scale,translate
             var translateOrigin = svgroot.createSVGTransform(),
                 scale = svgroot.createSVGTransform(),
                 translateBack = svgroot.createSVGTransform();
@@ -14601,6 +15609,7 @@ function SvgCanvas(container, config) {
             }
 
             translateOrigin.setTranslate(-(left + tx), -(top + ty));
+
             if (evt.shiftKey) {
               if (sx === 1) {
                 sx = sy;
@@ -14608,9 +15617,10 @@ function SvgCanvas(container, config) {
                 sy = sx;
               }
             }
-            scale.setScale(sx, sy);
 
+            scale.setScale(sx, sy);
             translateBack.setTranslate(left + tx, top + ty);
+
             if (hasMatrix) {
               var diff = angle ? 1 : 0;
               tlist.replaceItem(translateOrigin, 2 + diff);
@@ -14624,11 +15634,11 @@ function SvgCanvas(container, config) {
             }
 
             selectorManager.requestSelector(selected).resize();
-
             call('transition', selectedElements);
-
             break;
-          }case 'zoom':
+          }
+
+        case 'zoom':
           {
             realX *= currentZoom;
             realY *= currentZoom;
@@ -14639,14 +15649,18 @@ function SvgCanvas(container, config) {
               height: Math.abs(realY - rStartY * currentZoom)
             }, 100);
             break;
-          }case 'text':
+          }
+
+        case 'text':
           {
             assignAttributes(shape, {
               x: x,
               y: y
             }, 1000);
             break;
-          }case 'line':
+          }
+
+        case 'line':
           {
             if (curConfig.gridSnapping) {
               x = snapToGrid(x);
@@ -14665,19 +15679,21 @@ function SvgCanvas(container, config) {
             shape.setAttributeNS(null, 'x2', x2);
             shape.setAttributeNS(null, 'y2', y2);
             break;
-          }case 'foreignObject':
-        // fall through
-        case 'square':
-        // fall through
-        case 'rect':
-        // fall through
+          }
+
+        case 'foreignObject': // fall through
+
+        case 'square': // fall through
+
+        case 'rect': // fall through
+
         case 'image':
           {
             var square = currentMode === 'square' || evt.shiftKey;
             var w = Math.abs(x - startX),
                 h = Math.abs(y - startY);
-            var newX = void 0,
-                newY = void 0;
+            var newX, newY;
+
             if (square) {
               w = h = Math.max(w, h);
               newX = startX < x ? startX : startX - w;
@@ -14700,22 +15716,26 @@ function SvgCanvas(container, config) {
               x: newX,
               y: newY
             }, 1000);
-
             break;
-          }case 'circle':
+          }
+
+        case 'circle':
           {
             c = $$9(shape).attr(['cx', 'cy']);
             var _c = c;
             cx = _c.cx;
             cy = _c.cy;
-
             var rad = Math.sqrt((x - cx) * (x - cx) + (y - cy) * (y - cy));
+
             if (curConfig.gridSnapping) {
               rad = snapToGrid(rad);
             }
+
             shape.setAttributeNS(null, 'r', rad);
             break;
-          }case 'ellipse':
+          }
+
+        case 'ellipse':
           {
             c = $$9(shape).attr(['cx', 'cy']);
             var _c2 = c;
@@ -14728,11 +15748,13 @@ function SvgCanvas(container, config) {
               y = snapToGrid(y);
               cy = snapToGrid(cy);
             }
+
             shape.setAttributeNS(null, 'rx', Math.abs(x - cx));
             var ry = Math.abs(evt.shiftKey ? x - cx : y - cy);
             shape.setAttributeNS(null, 'ry', ry);
             break;
           }
+
         case 'fhellipse':
         case 'fhrect':
           {
@@ -14742,11 +15764,14 @@ function SvgCanvas(container, config) {
             freehand.maxy = Math.max(realY, freehand.maxy);
           }
         // Fallthrough
+
         case 'fhpath':
           {
             // dAttr += + realX + ',' + realY + ' ';
             // shape.setAttributeNS(null, 'points', dAttr);
-            end.x = realX;end.y = realY;
+            end.x = realX;
+            end.y = realY;
+
             if (controllPoint2.x && controllPoint2.y) {
               for (i = 0; i < STEP_COUNT - 1; i++) {
                 parameter = i / STEP_COUNT;
@@ -14755,10 +15780,10 @@ function SvgCanvas(container, config) {
                 nextPos = bSpline;
                 bSpline = getBsplinePoint(parameter);
                 sumDistance += Math.sqrt((nextPos.x - bSpline.x) * (nextPos.x - bSpline.x) + (nextPos.y - bSpline.y) * (nextPos.y - bSpline.y));
-                if (sumDistance > THRESHOLD_DIST) {
-                  sumDistance -= THRESHOLD_DIST;
 
-                  // Faster than completely re-writing the points attribute.
+                if (sumDistance > THRESHOLD_DIST) {
+                  sumDistance -= THRESHOLD_DIST; // Faster than completely re-writing the points attribute.
+
                   var point = svgcontent.createSVGPoint();
                   point.x = bSpline.x;
                   point.y = bSpline.y;
@@ -14766,14 +15791,26 @@ function SvgCanvas(container, config) {
                 }
               }
             }
-            controllPoint2 = { x: controllPoint1.x, y: controllPoint1.y };
-            controllPoint1 = { x: start.x, y: start.y };
-            start = { x: end.x, y: end.y };
-            break;
-            // update path stretch line coordinates
-          }case 'path':
+
+            controllPoint2 = {
+              x: controllPoint1.x,
+              y: controllPoint1.y
+            };
+            controllPoint1 = {
+              x: start.x,
+              y: start.y
+            };
+            start = {
+              x: end.x,
+              y: end.y
+            };
+            break; // update path stretch line coordinates
+          }
+
+        case 'path':
 
         // fall through
+
         case 'pathedit':
           {
             x *= currentZoom;
@@ -14785,11 +15822,11 @@ function SvgCanvas(container, config) {
               startX = snapToGrid(startX);
               startY = snapToGrid(startY);
             }
+
             if (evt.shiftKey) {
               var path$$1 = path;
+              var x1, y1;
 
-              var x1 = void 0,
-                  y1 = void 0;
               if (path$$1) {
                 x1 = path$$1.dragging ? path$$1.dragging[0] : startX;
                 y1 = path$$1.dragging ? path$$1.dragging[1] : startY;
@@ -14797,6 +15834,7 @@ function SvgCanvas(container, config) {
                 x1 = startX;
                 y1 = startY;
               }
+
               xya = snapToAngle(x1, y1, x, y);
               var _xya = xya;
               x = _xya.x;
@@ -14813,14 +15851,15 @@ function SvgCanvas(container, config) {
                 height: Math.abs(realY - rStartY * currentZoom)
               }, 100);
             }
-            pathActions$$1.mouseMove(x, y);
 
+            pathActions$$1.mouseMove(x, y);
             break;
-          }case 'textedit':
+          }
+
+        case 'textedit':
           {
             x *= currentZoom;
-            y *= currentZoom;
-            // if (rubberBox && rubberBox.getAttribute('display') !== 'none') {
+            y *= currentZoom; // if (rubberBox && rubberBox.getAttribute('display') !== 'none') {
             //   assignAttributes(rubberBox, {
             //     x: Math.min(startX, x),
             //     y: Math.min(startY, y),
@@ -14830,9 +15869,10 @@ function SvgCanvas(container, config) {
             // }
 
             textActions.mouseMove(mouseX, mouseY);
-
             break;
-          }case 'rotate':
+          }
+
+        case 'rotate':
           {
             box = getBBox(selected);
             cx = box.x + box.width / 2;
@@ -14842,9 +15882,11 @@ function SvgCanvas(container, config) {
             cx = center.x;
             cy = center.y;
             angle = (Math.atan2(cy - y, cx - x) * (180 / Math.PI) - 90) % 360;
+
             if (curConfig.gridSnapping) {
               angle = snapToGrid(angle);
             }
+
             if (evt.shiftKey) {
               // restrict rotations to nice angles (WRS)
               var snap = 45;
@@ -14854,10 +15896,11 @@ function SvgCanvas(container, config) {
             canvas.setRotationAngle(angle < -180 ? 360 + angle : angle, true);
             call('transition', selectedElements);
             break;
-          }default:
+          }
+
+        default:
           break;
       }
-
       /**
       * The mouse has moved on the canvas area
       * @event module:svgcanvas.SvgCanvas#event:ext-mouseMove
@@ -14867,19 +15910,23 @@ function SvgCanvas(container, config) {
       * @property {Float} mouse_y y coordinate on canvas
       * @property {Element} selected Refers to the first selected element
       */
-      runExtensions('mouseMove', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseMove} */{
+
+
+      runExtensions('mouseMove',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseMove} */
+      {
         event: evt,
         mouse_x: mouseX,
         mouse_y: mouseY,
         selected: selected
       });
     }; // mouseMove()
-
     // - in create mode, the element's opacity is set properly, we create an InsertElementCommand
     // and store it on the Undo stack
     // - in move/resize mode, the element's attributes which were affected by the move/resize are
     // identified, a ChangeElementCommand is created and stored on the stack for those attrs
     // this is done in when we recalculate the selected dimensions()
+
     /**
      *
      * @param {MouseEvent} evt
@@ -14888,29 +15935,33 @@ function SvgCanvas(container, config) {
      * @fires module:svgcanvas.SvgCanvas#event:ext-mouseUp
      * @returns {undefined}
      */
+
+
     var mouseUp = function mouseUp(evt) {
       if (evt.button === 2) {
         return;
       }
+
       var tempJustSelected = justSelected;
       justSelected = null;
+
       if (!started) {
         return;
       }
+
       var pt = transformPoint(evt.pageX, evt.pageY, rootSctm),
           mouseX = pt.x * currentZoom,
           mouseY = pt.y * currentZoom,
           x = mouseX / currentZoom,
           y = mouseY / currentZoom;
-
       var element = getElem(getId());
       var keep = false;
-
       var realX = x;
-      var realY = y;
+      var realY = y; // TODO: Make true when in multi-unit mode
+
       started = false;
-      var attrs = void 0,
-          t = void 0;
+      var attrs, t;
+
       switch (currentMode) {
         // intentionally fall-through to select here
         case 'resize':
@@ -14919,20 +15970,24 @@ function SvgCanvas(container, config) {
             rubberBox.setAttribute('display', 'none');
             curBBoxes = [];
           }
+
           currentMode = 'select';
         // Fallthrough
+
         case 'select':
           if (selectedElements[0] != null) {
             // if we only have one selected element
             if (selectedElements[1] == null) {
               // set our current stroke/fill properties to the element's
               var selected = selectedElements[0];
+
               switch (selected.tagName) {
                 case 'g':
                 case 'use':
                 case 'image':
                 case 'foreignObject':
                   break;
+
                 default:
                   curProperties.fill = selected.getAttribute('fill');
                   curProperties.fill_opacity = selected.getAttribute('fill-opacity');
@@ -14948,31 +16003,33 @@ function SvgCanvas(container, config) {
                 curText.font_size = selected.getAttribute('font-size');
                 curText.font_family = selected.getAttribute('font-family');
               }
-              selectorManager.requestSelector(selected).showGrips(true);
 
-              // This shouldn't be necessary as it was done on mouseDown...
+              selectorManager.requestSelector(selected).showGrips(true); // This shouldn't be necessary as it was done on mouseDown...
               // call('selected', [selected]);
-            }
-            // always recalculate dimensions to strip off stray identity transforms
-            recalculateAllSelectedDimensions();
-            // if it was being dragged/resized
+            } // always recalculate dimensions to strip off stray identity transforms
+
+
+            recalculateAllSelectedDimensions(); // if it was being dragged/resized
+
             if (realX !== rStartX || realY !== rStartY) {
               var len = selectedElements.length;
+
               for (var i = 0; i < len; ++i) {
                 if (selectedElements[i] == null) {
                   break;
                 }
+
                 if (!selectedElements[i].firstChild) {
                   // Not needed for groups (incorrectly resizes elems), possibly not needed at all?
                   selectorManager.requestSelector(selectedElements[i]).resize();
                 }
-              }
-              // no change in position/size, so maybe we should move to pathedit
+              } // no change in position/size, so maybe we should move to pathedit
+
             } else {
               t = evt.target;
+
               if (selectedElements[0].nodeName === 'path' && selectedElements[1] == null) {
-                pathActions$$1.select(selectedElements[0]);
-                // if it was a path
+                pathActions$$1.select(selectedElements[0]); // if it was a path
                 // else, if it was selected and this is a shift-click, remove it from selection
               } else if (evt.shiftKey) {
                 if (tempJustSelected !== t) {
@@ -14980,10 +16037,12 @@ function SvgCanvas(container, config) {
                 }
               }
             } // no change in mouse position
-
             // Remove non-scaling stroke
+
+
             if (supportsNonScalingStroke()) {
               var elem = selectedElements[0];
+
               if (elem) {
                 elem.removeAttribute('style');
                 walkTree(elem, function (elem) {
@@ -14992,11 +16051,14 @@ function SvgCanvas(container, config) {
               }
             }
           }
+
           return;
+
         case 'zoom':
           if (rubberBox != null) {
             rubberBox.setAttribute('display', 'none');
           }
+
           var factor = evt.shiftKey ? 0.5 : 2;
           call('zoomed', {
             x: Math.min(rStartX, realX),
@@ -15006,46 +16068,67 @@ function SvgCanvas(container, config) {
             factor: factor
           });
           return;
+
         case 'fhpath':
           // Check that the path contains at least 2 points; a degenerate one-point path
           // causes problems.
           // Webkit ignores how we set the points attribute with commas and uses space
           // to separate all coordinates, see https://bugs.webkit.org/show_bug.cgi?id=29870
           sumDistance = 0;
-          controllPoint2 = { x: 0, y: 0 };
-          controllPoint1 = { x: 0, y: 0 };
-          start = { x: 0, y: 0 };
-          end = { x: 0, y: 0 };
+          controllPoint2 = {
+            x: 0,
+            y: 0
+          };
+          controllPoint1 = {
+            x: 0,
+            y: 0
+          };
+          start = {
+            x: 0,
+            y: 0
+          };
+          end = {
+            x: 0,
+            y: 0
+          };
           var coords = element.getAttribute('points');
           var commaIndex = coords.indexOf(',');
+
           if (commaIndex >= 0) {
             keep = coords.indexOf(',', commaIndex + 1) >= 0;
           } else {
             keep = coords.indexOf(' ', coords.indexOf(' ') + 1) >= 0;
           }
+
           if (keep) {
             element = pathActions$$1.smoothPolylineIntoPath(element);
           }
+
           break;
+
         case 'line':
           attrs = $$9(element).attr(['x1', 'x2', 'y1', 'y2']);
           keep = attrs.x1 !== attrs.x2 || attrs.y1 !== attrs.y2;
           break;
+
         case 'foreignObject':
         case 'square':
         case 'rect':
         case 'image':
-          attrs = $$9(element).attr(['width', 'height']);
-          // Image should be kept regardless of size (use inherit dimensions later)
+          attrs = $$9(element).attr(['width', 'height']); // Image should be kept regardless of size (use inherit dimensions later)
+
           keep = attrs.width || attrs.height || currentMode === 'image';
           break;
+
         case 'circle':
           keep = element.getAttribute('r') !== '0';
           break;
+
         case 'ellipse':
           attrs = $$9(element).attr(['rx', 'ry']);
           keep = attrs.rx || attrs.ry;
           break;
+
         case 'fhellipse':
           if (freehand.maxx - freehand.minx > 0 && freehand.maxy - freehand.miny > 0) {
             element = addSVGElementFromJson({
@@ -15062,7 +16145,9 @@ function SvgCanvas(container, config) {
             call('changed', [element]);
             keep = true;
           }
+
           break;
+
         case 'fhrect':
           if (freehand.maxx - freehand.minx > 0 && freehand.maxy - freehand.miny > 0) {
             element = addSVGElementFromJson({
@@ -15079,50 +16164,56 @@ function SvgCanvas(container, config) {
             call('changed', [element]);
             keep = true;
           }
+
           break;
+
         case 'text':
           keep = true;
           selectOnly([element]);
           textActions.start(element);
           break;
+
         case 'path':
           // set element to null here so that it is not removed nor finalized
-          element = null;
-          // continue to be set to true so that mouseMove happens
-          started = true;
+          element = null; // continue to be set to true so that mouseMove happens
 
+          started = true;
           var res = pathActions$$1.mouseUp(evt, element, mouseX, mouseY);
           element = res.element;
           keep = res.keep;
-
           break;
+
         case 'pathedit':
           keep = true;
           element = null;
           pathActions$$1.mouseUp(evt);
           break;
+
         case 'textedit':
           keep = false;
           element = null;
           textActions.mouseUp(evt, mouseX, mouseY);
           break;
+
         case 'rotate':
           keep = true;
           element = null;
           currentMode = 'select';
           var batchCmd = canvas.undoMgr.finishUndoableChange();
+
           if (!batchCmd.isEmpty()) {
             addCommandToHistory(batchCmd);
-          }
-          // perform recalculation to weed out any stray identity transforms that might get stuck
+          } // perform recalculation to weed out any stray identity transforms that might get stuck
+
+
           recalculateAllSelectedDimensions();
           call('changed', selectedElements);
           break;
+
         default:
           // This could occur in an extension
           break;
       }
-
       /**
       * The main (left) mouse button is released (anywhere)
       * @event module:svgcanvas.SvgCanvas#event:ext-mouseUp
@@ -15131,17 +16222,19 @@ function SvgCanvas(container, config) {
       * @property {Float} mouse_x x coordinate on canvas
       * @property {Float} mouse_y y coordinate on canvas
       */
-      var extResult = runExtensions('mouseUp', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseUp} */{
+
+
+      var extResult = runExtensions('mouseUp',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseUp} */
+      {
         event: evt,
         mouse_x: mouseX,
         mouse_y: mouseY
       }, true);
-
       $$9.each(extResult, function (i, r) {
         if (r) {
           keep = r.keep || keep;
           element = r.element;
-
           started = r.started || started;
         }
       });
@@ -15150,18 +16243,17 @@ function SvgCanvas(container, config) {
         getCurrentDrawing().releaseId(getId());
         element.remove();
         element = null;
-
-        t = evt.target;
-
-        // if this element is in a group, go up until we reach the top-level group
+        t = evt.target; // if this element is in a group, go up until we reach the top-level group
         // just below the layer groups
         // TODO: once we implement links, we also would have to check for <a> elements
+
         while (t && t.parentNode && t.parentNode.parentNode && t.parentNode.parentNode.tagName === 'g') {
           t = t.parentNode;
-        }
-        // if we are not in the middle of creating a path, and we've clicked on some shape,
+        } // if we are not in the middle of creating a path, and we've clicked on some shape,
         // then go to Select mode.
         // WebKit returns <div> when the canvas is clicked, Firefox/Opera return <svg>
+
+
         if ((currentMode !== 'path' || !drawnPath) && t && t.parentNode && t.parentNode.id !== 'selectorParentGroup' && t.id !== 'svgcanvas' && t.id !== 'svgroot') {
           // switch into "select" mode if we've clicked on an element
           canvas.setMode('select');
@@ -15175,38 +16267,42 @@ function SvgCanvas(container, config) {
         canvas.addedNew = true;
 
         var aniDur = 0.2;
-        var cAni = void 0;
+        var cAni;
+
         if (opacAni.beginElement && parseFloat(element.getAttribute('opacity')) !== curShape.opacity) {
           cAni = $$9(opacAni).clone().attr({
             to: curShape.opacity,
             dur: aniDur
           }).appendTo(element);
+
           try {
             // Fails in FF4 on foreignObject
             cAni[0].beginElement();
           } catch (e) {}
         } else {
           aniDur = 0;
-        }
-
-        // Ideally this would be done on the endEvent of the animation,
+        } // Ideally this would be done on the endEvent of the animation,
         // but that doesn't seem to be supported in Webkit
+
+
         setTimeout(function () {
           if (cAni) {
             cAni.remove();
           }
+
           element.setAttribute('opacity', curShape.opacity);
           element.setAttribute('style', 'pointer-events:inherit');
           cleanupElement(element);
+
           if (currentMode === 'path') {
             pathActions$$1.toEditMode(element);
           } else if (curConfig.selectNew) {
             selectOnly([element], true);
-          }
-          // we create the insert command that is stored on the stack
+          } // we create the insert command that is stored on the stack
           // undo means to call cmd.unapply(), redo means to call cmd.apply()
-          addCommandToHistory(new InsertElementCommand$1(element));
 
+
+          addCommandToHistory(new InsertElementCommand$1(element));
           call('changed', [element]);
         }, aniDur * 1000);
       }
@@ -15216,9 +16312,8 @@ function SvgCanvas(container, config) {
 
     var dblClick = function dblClick(evt) {
       var evtTarget = evt.target;
-      var parent = evtTarget.parentNode;
+      var parent = evtTarget.parentNode; // Do nothing if already in current group
 
-      // Do nothing if already in current group
       if (parent === currentGroup) {
         return;
       }
@@ -15227,7 +16322,6 @@ function SvgCanvas(container, config) {
       var _mouseTarget = mouseTarget,
           tagName = _mouseTarget.tagName;
 
-
       if (tagName === 'text' && currentMode !== 'textedit') {
         var pt = transformPoint(evt.pageX, evt.pageY, rootSctm);
         textActions.select(mouseTarget, pt.x, pt.y);
@@ -15236,13 +16330,13 @@ function SvgCanvas(container, config) {
       if ((tagName === 'g' || tagName === 'a') && getRotationAngle(mouseTarget)) {
         // TODO: Allow method of in-group editing without having to do
         // this (similar to editing rotated paths)
-
         // Ungroup and regroup
         pushGroupProperties(mouseTarget);
         mouseTarget = selectedElements[0];
         clearSelection(true);
-      }
-      // Reset context
+      } // Reset context
+
+
       if (currentGroup) {
         leaveContext();
       }
@@ -15251,21 +16345,21 @@ function SvgCanvas(container, config) {
         // Escape from in-group edit
         return;
       }
-      setContext(mouseTarget);
-    };
 
-    // prevent links from being followed in the canvas
+      setContext(mouseTarget);
+    }; // prevent links from being followed in the canvas
+
+
     var handleLinkInCanvas = function handleLinkInCanvas(e) {
       e.preventDefault();
       return false;
-    };
-
-    // Added mouseup to the container here.
+    }; // Added mouseup to the container here.
     // TODO(codedread): Figure out why after the Closure compiler, the window mouseup is ignored.
-    $$9(container).mousedown(mouseDown).mousemove(mouseMove).click(handleLinkInCanvas).dblclick(dblClick).mouseup(mouseUp);
-    // $(window).mouseup(mouseUp);
 
+
+    $$9(container).mousedown(mouseDown).mousemove(mouseMove).click(handleLinkInCanvas).dblclick(dblClick).mouseup(mouseUp); // $(window).mouseup(mouseUp);
     // TODO(rafaelcastrocouto): User preference for shift key and zoom factor
+
     $$9(container).bind('mousewheel DOMMouseScroll',
     /**
      * @param {Event} e
@@ -15280,42 +16374,34 @@ function SvgCanvas(container, config) {
 
       e.preventDefault();
       var evt = e.originalEvent;
-
       rootSctm = $$9('#svgcontent g')[0].getScreenCTM().inverse();
-
       var workarea = $$9('#workarea');
       var scrbar = 15;
-      var rulerwidth = curConfig.showRulers ? 16 : 0;
+      var rulerwidth = curConfig.showRulers ? 16 : 0; // mouse relative to content area in content pixels
 
-      // mouse relative to content area in content pixels
-      var pt = transformPoint(evt.pageX, evt.pageY, rootSctm);
+      var pt = transformPoint(evt.pageX, evt.pageY, rootSctm); // full work area width in screen pixels
 
-      // full work area width in screen pixels
       var editorFullW = workarea.width();
-      var editorFullH = workarea.height();
+      var editorFullH = workarea.height(); // work area width minus scroll and ruler in screen pixels
 
-      // work area width minus scroll and ruler in screen pixels
       var editorW = editorFullW - scrbar - rulerwidth;
-      var editorH = editorFullH - scrbar - rulerwidth;
+      var editorH = editorFullH - scrbar - rulerwidth; // work area width in content pixels
 
-      // work area width in content pixels
       var workareaViewW = editorW * rootSctm.a;
-      var workareaViewH = editorH * rootSctm.d;
+      var workareaViewH = editorH * rootSctm.d; // content offset from canvas in screen pixels
 
-      // content offset from canvas in screen pixels
       var wOffset = workarea.offset();
       var wOffsetLeft = wOffset['left'] + rulerwidth;
       var wOffsetTop = wOffset['top'] + rulerwidth;
-
       var delta = evt.wheelDelta ? evt.wheelDelta : evt.detail ? -evt.detail : 0;
+
       if (!delta) {
         return;
       }
 
       var factor = Math.max(3 / 4, Math.min(4 / 3, delta));
+      var wZoom, hZoom;
 
-      var wZoom = void 0,
-          hZoom = void 0;
       if (factor > 1) {
         wZoom = Math.ceil(editorW / workareaViewW * factor * 100) / 100;
         hZoom = Math.ceil(editorH / workareaViewH * factor * 100) / 100;
@@ -15323,60 +16409,61 @@ function SvgCanvas(container, config) {
         wZoom = Math.floor(editorW / workareaViewW * factor * 100) / 100;
         hZoom = Math.floor(editorH / workareaViewH * factor * 100) / 100;
       }
+
       var zoomlevel = Math.min(wZoom, hZoom);
       zoomlevel = Math.min(10, Math.max(0.01, zoomlevel));
+
       if (zoomlevel === currentZoom) {
         return;
       }
-      factor = zoomlevel / currentZoom;
 
-      // top left of workarea in content pixels before zoom
-      var topLeftOld = transformPoint(wOffsetLeft, wOffsetTop, rootSctm);
+      factor = zoomlevel / currentZoom; // top left of workarea in content pixels before zoom
+
+      var topLeftOld = transformPoint(wOffsetLeft, wOffsetTop, rootSctm); // top left of workarea in content pixels after zoom
 
-      // top left of workarea in content pixels after zoom
       var topLeftNew = {
         x: pt.x - (pt.x - topLeftOld.x) / factor,
         y: pt.y - (pt.y - topLeftOld.y) / factor
-      };
+      }; // top left of workarea in canvas pixels relative to content after zoom
 
-      // top left of workarea in canvas pixels relative to content after zoom
       var topLeftNewCanvas = {
         x: topLeftNew.x * zoomlevel,
         y: topLeftNew.y * zoomlevel
-      };
+      }; // new center in canvas pixels
 
-      // new center in canvas pixels
       var newCtr = {
         x: topLeftNewCanvas.x - rulerwidth + editorFullW / 2,
         y: topLeftNewCanvas.y - rulerwidth + editorFullH / 2
       };
-
       canvas.setZoom(zoomlevel);
       $$9('#zoom').val((zoomlevel * 100).toFixed(1));
-
-      call('updateCanvas', { center: false, newCtr: newCtr });
+      call('updateCanvas', {
+        center: false,
+        newCtr: newCtr
+      });
       call('zoomDone');
     });
   })();
-
   /**
   * Group: Text edit functions
   * Functions relating to editing text elements
   * @namespace {PlainObject} textActions
   * @memberof module:svgcanvas.SvgCanvas#
   */
+
+
   var textActions = canvas.textActions = function () {
-    var curtext = void 0;
-    var textinput = void 0;
-    var cursor = void 0;
-    var selblock = void 0;
-    var blinker = void 0;
+    var curtext;
+    var textinput;
+    var cursor;
+    var selblock;
+    var blinker;
     var chardata = [];
-    var textbb = void 0; // , transbb;
-    var matrix = void 0;
-    var lastX = void 0,
-        lastY = void 0;
-    var allowDbl = void 0;
+    var textbb; // , transbb;
+
+    var matrix;
+    var lastX, lastY;
+    var allowDbl;
 
     function setCursor(index) {
       var empty = textinput.value === '';
@@ -15389,15 +16476,19 @@ function SvgCanvas(container, config) {
           if (textinput.selectionEnd !== textinput.selectionStart) {
             return;
           }
+
           index = textinput.selectionEnd;
         }
       }
 
       var charbb = chardata[index];
+
       if (!empty) {
         textinput.setSelectionRange(index, index);
       }
+
       cursor = getElem('text_cursor');
+
       if (!cursor) {
         cursor = document.createElementNS(NS.SVG, 'line');
         assignAttributes(cursor, {
@@ -15417,7 +16508,6 @@ function SvgCanvas(container, config) {
 
       var startPt = ptToScreen(charbb.x, textbb.y);
       var endPt = ptToScreen(charbb.x, textbb.y + textbb.height);
-
       assignAttributes(cursor, {
         x1: startPt.x,
         y1: startPt.y,
@@ -15443,6 +16533,7 @@ function SvgCanvas(container, config) {
       }
 
       selblock = getElem('text_selectblock');
+
       if (!selblock) {
         selblock = document.createElementNS(NS.SVG, 'path');
         assignAttributes(selblock, {
@@ -15456,16 +16547,12 @@ function SvgCanvas(container, config) {
 
       var startbb = chardata[start];
       var endbb = chardata[end];
-
       cursor.setAttribute('visibility', 'hidden');
-
       var tl = ptToScreen(startbb.x, textbb.y),
           tr = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y),
           bl = ptToScreen(startbb.x, textbb.y + textbb.height),
           br = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y + textbb.height);
-
       var dstr = 'M' + tl.x + ',' + tl.y + ' L' + tr.x + ',' + tr.y + ' ' + br.x + ',' + br.y + ' ' + bl.x + ',' + bl.y + 'z';
-
       assignAttributes(selblock, {
         d: dstr,
         display: 'inline'
@@ -15476,28 +16563,33 @@ function SvgCanvas(container, config) {
       // Position cursor here
       var pt = svgroot.createSVGPoint();
       pt.x = mouseX;
-      pt.y = mouseY;
+      pt.y = mouseY; // No content, so return 0
 
-      // No content, so return 0
       if (chardata.length === 1) {
         return 0;
-      }
-      // Determine if cursor should be on left or right of character
+      } // Determine if cursor should be on left or right of character
+
+
       var charpos = curtext.getCharNumAtPosition(pt);
+
       if (charpos < 0) {
         // Out of text range, look at mouse coords
         charpos = chardata.length - 2;
+
         if (mouseX <= chardata[0].x) {
           charpos = 0;
         }
       } else if (charpos >= chardata.length - 2) {
         charpos = chardata.length - 2;
       }
+
       var charbb = chardata[charpos];
       var mid = charbb.x + charbb.width / 2;
+
       if (mouseX > mid) {
         charpos++;
       }
+
       return charpos;
     }
 
@@ -15508,7 +16600,6 @@ function SvgCanvas(container, config) {
     function setEndSelectionFromPoint(x, y, apply) {
       var i1 = textinput.selectionStart;
       var i2 = getIndexFromPoint(x, y);
-
       var start = Math.min(i1, i2);
       var end = Math.max(i1, i2);
       setSelection(start, end, !apply);
@@ -15519,7 +16610,6 @@ function SvgCanvas(container, config) {
         x: xIn,
         y: yIn
       };
-
       out.x /= currentZoom;
       out.y /= currentZoom;
 
@@ -15546,10 +16636,8 @@ function SvgCanvas(container, config) {
 
       out.x *= currentZoom;
       out.y *= currentZoom;
-
       return out;
     }
-
     /*
     // Not currently in use
     function hideCursor () {
@@ -15559,6 +16647,7 @@ function SvgCanvas(container, config) {
     }
     */
 
+
     function selectAll(evt) {
       setSelection(0, curtext.textContent.length);
       $$9(this).unbind(evt);
@@ -15573,22 +16662,22 @@ function SvgCanvas(container, config) {
           mouseX = ept.x * currentZoom,
           mouseY = ept.y * currentZoom;
       var pt = screenToPt(mouseX, mouseY);
-
       var index = getIndexFromPoint(pt.x, pt.y);
       var str = curtext.textContent;
       var first = str.substr(0, index).replace(/[a-z0-9]+$/i, '').length;
       var m = str.substr(index).match(/^[a-z0-9]+/i);
       var last = (m ? m[0].length : 0) + index;
-      setSelection(first, last);
+      setSelection(first, last); // Set tripleclick
 
-      // Set tripleclick
       $$9(evt.target).click(selectAll);
       setTimeout(function () {
         $$9(evt.target).unbind('click', selectAll);
       }, 300);
     }
 
-    return (/** @lends module:svgcanvas.SvgCanvas#textActions */{
+    return (
+      /** @lends module:svgcanvas.SvgCanvas#textActions */
+      {
         /**
         * @param {Element} target
         * @param {Float} x
@@ -15618,13 +16707,10 @@ function SvgCanvas(container, config) {
         */
         mouseDown: function mouseDown(evt, mouseTarget, startX, startY) {
           var pt = screenToPt(startX, startY);
-
           textinput.focus();
           setCursorFromPoint(pt.x, pt.y);
           lastX = startX;
-          lastY = startY;
-
-          // TODO: Find way to block native selection
+          lastY = startY; // TODO: Find way to block native selection
         },
 
         /**
@@ -15645,10 +16731,7 @@ function SvgCanvas(container, config) {
         */
         mouseUp: function mouseUp(evt, mouseX, mouseY) {
           var pt = screenToPt(mouseX, mouseY);
-
-          setEndSelectionFromPoint(pt.x, pt.y, true);
-
-          // TODO: Find a way to make this work: Use transformed BBox instead of evt.target
+          setEndSelectionFromPoint(pt.x, pt.y, true); // TODO: Find a way to make this work: Use transformed BBox instead of evt.target
           // if (lastX === mouseX && lastY === mouseY
           //   && !rectsIntersect(transbb, {x: pt.x, y: pt.y, width: 0, height: 0})) {
           //   textActions.toSelectMode(true);
@@ -15665,6 +16748,7 @@ function SvgCanvas(container, config) {
         * @returns {undefined}
         */
         setCursor: setCursor,
+
         /**
         * @param {Float} x
         * @param {Float} y
@@ -15673,16 +16757,15 @@ function SvgCanvas(container, config) {
         toEditMode: function toEditMode(x, y) {
           allowDbl = false;
           currentMode = 'textedit';
-          selectorManager.requestSelector(curtext).showGrips(false);
-          // Make selector group accept clicks
-          /* const selector = */selectorManager.requestSelector(curtext); // Do we need this? Has side effect of setting lock, so keeping for now, but next line wasn't being used
+          selectorManager.requestSelector(curtext).showGrips(false); // Make selector group accept clicks
+
+          /* const selector = */
+
+          selectorManager.requestSelector(curtext); // Do we need this? Has side effect of setting lock, so keeping for now, but next line wasn't being used
           // const sel = selector.selectorRect;
 
           textActions.init();
-
-          $$9(curtext).css('cursor', 'text');
-
-          // if (supportsEditableText()) {
+          $$9(curtext).css('cursor', 'text'); // if (supportsEditableText()) {
           //   curtext.setAttribute('editable', 'simple');
           //   return;
           // }
@@ -15708,31 +16791,31 @@ function SvgCanvas(container, config) {
           currentMode = 'select';
           clearInterval(blinker);
           blinker = null;
+
           if (selblock) {
             $$9(selblock).attr('display', 'none');
           }
+
           if (cursor) {
             $$9(cursor).attr('visibility', 'hidden');
           }
+
           $$9(curtext).css('cursor', 'move');
 
           if (selectElem) {
             clearSelection();
             $$9(curtext).css('cursor', 'move');
-
             call('selected', [curtext]);
             addToSelection([curtext], true);
           }
+
           if (curtext && !curtext.textContent.length) {
             // No content, so delete
             canvas.deleteSelectedElements();
           }
 
           $$9(textinput).blur();
-
-          curtext = false;
-
-          // if (supportsEditableText()) {
+          curtext = false; // if (supportsEditableText()) {
           //   curtext.removeAttribute('editable');
           // }
         },
@@ -15742,8 +16825,7 @@ function SvgCanvas(container, config) {
         * @returns {undefined}
         */
         setInputElem: function setInputElem(elem) {
-          textinput = elem;
-          // $(textinput).blur(hideCursor);
+          textinput = elem; // $(textinput).blur(hideCursor);
         },
 
         /**
@@ -15763,9 +16845,8 @@ function SvgCanvas(container, config) {
           if (!curtext) {
             return;
           }
-          var i = void 0,
-              end = void 0;
-          // if (supportsEditableText()) {
+
+          var i, end; // if (supportsEditableText()) {
           //   curtext.select();
           //   return;
           // }
@@ -15778,21 +16859,19 @@ function SvgCanvas(container, config) {
 
           var str = curtext.textContent;
           var len = str.length;
-
           var xform = curtext.getAttribute('transform');
-
           textbb = getBBox(curtext);
-
           matrix = xform ? getMatrix(curtext) : null;
-
           chardata = [];
           chardata.length = len;
           textinput.focus();
-
           $$9(curtext).unbind('dblclick', selectWord).dblclick(selectWord);
 
           if (!len) {
-            end = { x: textbb.x + textbb.width / 2, width: 0 };
+            end = {
+              x: textbb.x + textbb.width / 2,
+              width: 0
+            };
           }
 
           for (i = 0; i < len; i++) {
@@ -15803,24 +16882,23 @@ function SvgCanvas(container, config) {
               var offset = canvas.contentW * currentZoom;
               start.x -= offset;
               end.x -= offset;
-
               start.x /= currentZoom;
               end.x /= currentZoom;
-            }
-
-            // Get a "bbox" equivalent for each character. Uses the
+            } // Get a "bbox" equivalent for each character. Uses the
             // bbox data of the actual text for y, height purposes
-
             // TODO: Decide if y, width and height are actually necessary
+
+
             chardata[i] = {
               x: start.x,
-              y: textbb.y, // start.y?
+              y: textbb.y,
+              // start.y?
               width: end.x - start.x,
               height: textbb.height
             };
-          }
+          } // Add a last bbox for cursor at end of text
+
 
-          // Add a last bbox for cursor at end of text
           chardata.push({
             x: end.x,
             width: 0
@@ -15830,7 +16908,6 @@ function SvgCanvas(container, config) {
       }
     );
   }();
-
   /**
   * Group: Serialization
   */
@@ -15841,35 +16918,38 @@ function SvgCanvas(container, config) {
   * @function module:svgcanvas.SvgCanvas#removeUnusedDefElems
   * @returns {Integer} The number of elements that were removed
   */
+
+
   var removeUnusedDefElems = this.removeUnusedDefElems = function () {
     var defs = svgcontent.getElementsByTagNameNS(NS.SVG, 'defs');
+
     if (!defs || !defs.length) {
       return 0;
-    }
+    } // if (!defs.firstChild) { return; }
 
-    // if (!defs.firstChild) { return; }
 
     var defelemUses = [];
     var numRemoved = 0;
     var attrs = ['fill', 'stroke', 'filter', 'marker-start', 'marker-mid', 'marker-end'];
     var alen = attrs.length;
-
     var allEls = svgcontent.getElementsByTagNameNS(NS.SVG, '*');
     var allLen = allEls.length;
+    var i, j;
 
-    var i = void 0,
-        j = void 0;
     for (i = 0; i < allLen; i++) {
       var el = allEls[i];
+
       for (j = 0; j < alen; j++) {
         var ref = getUrlFromAttr(el.getAttribute(attrs[j]));
+
         if (ref) {
           defelemUses.push(ref.substr(1));
         }
-      }
+      } // gradients can refer to other gradients
+
 
-      // gradients can refer to other gradients
       var href = getHref(el);
+
       if (href && href.startsWith('#')) {
         defelemUses.push(href.substr(1));
       }
@@ -15877,6 +16957,7 @@ function SvgCanvas(container, config) {
 
     var defelems = $$9(defs).find('linearGradient, radialGradient, filter, marker, svg, symbol');
     i = defelems.length;
+
     while (i--) {
       var defelem = defelems[i];
       var id = defelem.id;
@@ -15891,52 +16972,51 @@ function SvgCanvas(container, config) {
 
     return numRemoved;
   };
-
   /**
   * Main function to set up the SVG content for output
   * @function module:svgcanvas.SvgCanvas#svgCanvasToString
   * @returns {string} The SVG image for output
   */
+
+
   this.svgCanvasToString = function () {
     // keep calling it until there are none to remove
     while (removeUnusedDefElems() > 0) {}
 
-    pathActions$$1.clear(true);
+    pathActions$$1.clear(true); // Keep SVG-Edit comment on top
 
-    // Keep SVG-Edit comment on top
     $$9.each(svgcontent.childNodes, function (i, node) {
       if (i && node.nodeType === 8 && node.data.includes('Created with')) {
         svgcontent.firstChild.before(node);
       }
-    });
+    }); // Move out of in-group editing mode
 
-    // Move out of in-group editing mode
     if (currentGroup) {
       leaveContext();
       selectOnly([currentGroup]);
     }
 
-    var nakedSvgs = [];
+    var nakedSvgs = []; // Unwrap gsvg if it has no special attributes (only id and style)
 
-    // Unwrap gsvg if it has no special attributes (only id and style)
     $$9(svgcontent).find('g:data(gsvg)').each(function () {
       var attrs = this.attributes;
       var len = attrs.length;
+
       for (var i = 0; i < len; i++) {
         if (attrs[i].nodeName === 'id' || attrs[i].nodeName === 'style') {
           len--;
         }
-      }
-      // No significant attributes, so ungroup
+      } // No significant attributes, so ungroup
+
+
       if (len <= 0) {
         var svg = this.firstChild;
         nakedSvgs.push(svg);
         $$9(this).replaceWith(svg);
       }
     });
-    var output = this.svgToString(svgcontent, 0);
+    var output = this.svgToString(svgcontent, 0); // Rewrap gsvg
 
-    // Rewrap gsvg
     if (nakedSvgs.length) {
       $$9(nakedSvgs).each(function () {
         groupSvgElem(this);
@@ -15945,7 +17025,6 @@ function SvgCanvas(container, config) {
 
     return output;
   };
-
   /**
   * Sub function ran on each SVG element to convert it to a string as desired
   * @function module:svgcanvas.SvgCanvas#svgToString
@@ -15953,6 +17032,8 @@ function SvgCanvas(container, config) {
   * @param {Integer} indent - Number of spaces to indent this tag
   * @returns {string} The given element as an SVG tag
   */
+
+
   this.svgToString = function (elem, indent) {
     var out = [];
     var unit = curConfig.baseUnit;
@@ -15961,7 +17042,7 @@ function SvgCanvas(container, config) {
     if (elem) {
       cleanupElement(elem);
       var attrs = Array.from(elem.attributes);
-      var i = void 0;
+      var i;
       var childs = elem.childNodes;
       attrs.sort(function (a, b) {
         return a.name > b.name ? -1 : 1;
@@ -15970,13 +17051,14 @@ function SvgCanvas(container, config) {
       for (i = 0; i < indent; i++) {
         out.push(' ');
       }
-      out.push('<');out.push(elem.nodeName);
+
+      out.push('<');
+      out.push(elem.nodeName);
+
       if (elem.id === 'svgcontent') {
         // Process root element separately
         var res = getResolution();
-
-        var vb = '';
-        // TODO: Allow this by dividing all values by current baseVal
+        var vb = ''; // TODO: Allow this by dividing all values by current baseVal
         // Note that this also means we should properly deal with this on import
         // if (curConfig.baseUnit !== 'px') {
         //   const unit = curConfig.baseUnit;
@@ -15994,14 +17076,13 @@ function SvgCanvas(container, config) {
         }
 
         out.push(' width="' + res.w + '" height="' + res.h + '"' + vb + ' xmlns="' + NS.SVG + '"');
+        var nsuris = {}; // Check elements for namespaces, add if found
 
-        var nsuris = {};
-
-        // Check elements for namespaces, add if found
         $$9(elem).find('*').andSelf().each(function () {
           // const el = this;
           // for some elements have no attribute
           var uri = this.namespaceURI;
+
           if (uri && !nsuris[uri] && nsMap[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {
             nsuris[uri] = true;
             out.push(' xmlns:' + nsMap[uri] + '="' + uri + '"');
@@ -16009,30 +17090,32 @@ function SvgCanvas(container, config) {
 
           $$9.each(this.attributes, function (i, attr) {
             var uri = attr.namespaceURI;
+
             if (uri && !nsuris[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {
               nsuris[uri] = true;
               out.push(' xmlns:' + nsMap[uri] + '="' + uri + '"');
             }
           });
         });
-
         i = attrs.length;
         var attrNames = ['width', 'height', 'xmlns', 'x', 'y', 'viewBox', 'id', 'overflow'];
+
         while (i--) {
           var attr = attrs[i];
-          var attrVal = toXml(attr.value);
+          var attrVal = toXml(attr.value); // Namespaces have already been dealt with, so skip
 
-          // Namespaces have already been dealt with, so skip
           if (attr.nodeName.startsWith('xmlns:')) {
             continue;
-          }
+          } // only serialize attributes we don't use internally
+
 
-          // only serialize attributes we don't use internally
           if (attrVal !== '' && !attrNames.includes(attr.localName)) {
             if (!attr.namespaceURI || nsMap[attr.namespaceURI]) {
               out.push(' ');
-              out.push(attr.nodeName);out.push('="');
-              out.push(attrVal);out.push('"');
+              out.push(attr.nodeName);
+              out.push('="');
+              out.push(attrVal);
+              out.push('"');
             }
           }
         }
@@ -16043,43 +17126,54 @@ function SvgCanvas(container, config) {
         }
 
         var mozAttrs = ['-moz-math-font-style', '_moz-math-font-style'];
+
         for (i = attrs.length - 1; i >= 0; i--) {
           var _attr = attrs[i];
-          var _attrVal = toXml(_attr.value);
-          // remove bogus attributes added by Gecko
+
+          var _attrVal = toXml(_attr.value); // remove bogus attributes added by Gecko
+
+
           if (mozAttrs.includes(_attr.localName)) {
             continue;
           }
+
           if (_attrVal !== '') {
             if (_attrVal.startsWith('pointer-events')) {
               continue;
             }
+
             if (_attr.localName === 'class' && _attrVal.startsWith('se_')) {
               continue;
             }
+
             out.push(' ');
+
             if (_attr.localName === 'd') {
               _attrVal = pathActions$$1.convertPath(elem, true);
             }
+
             if (!isNaN(_attrVal)) {
               _attrVal = shortFloat(_attrVal);
             } else if (unitRe.test(_attrVal)) {
               _attrVal = shortFloat(_attrVal) + unit;
-            }
+            } // Embed images when saving
+
 
-            // Embed images when saving
             if (saveOptions.apply && elem.nodeName === 'image' && _attr.localName === 'href' && saveOptions.images && saveOptions.images === 'embed') {
               var img = encodableImages[_attrVal];
+
               if (img) {
                 _attrVal = img;
               }
-            }
-
-            // map various namespaces to our fixed namespace prefixes
+            } // map various namespaces to our fixed namespace prefixes
             // (the default xmlns attribute itself does not get a prefix)
+
+
             if (!_attr.namespaceURI || _attr.namespaceURI === NS.SVG || nsMap[_attr.namespaceURI]) {
-              out.push(_attr.nodeName);out.push('="');
-              out.push(_attrVal);out.push('"');
+              out.push(_attr.nodeName);
+              out.push('="');
+              out.push(_attrVal);
+              out.push('"');
             }
           }
         }
@@ -16092,20 +17186,25 @@ function SvgCanvas(container, config) {
 
         for (i = 0; i < childs.length; i++) {
           var child = childs.item(i);
+
           switch (child.nodeType) {
             case 1:
               // element node
               out.push('\n');
               out.push(this.svgToString(childs.item(i), indent));
               break;
+
             case 3:
               // text node
               var str = child.nodeValue.replace(/^\s+|\s+$/g, '');
+
               if (str !== '') {
                 bOneLine = true;
                 out.push(String(toXml(str)));
               }
+
               break;
+
             case 4:
               // cdata node
               out.push('\n');
@@ -16114,6 +17213,7 @@ function SvgCanvas(container, config) {
               out.push(child.nodeValue);
               out.push(']]>');
               break;
+
             case 8:
               // comment
               out.push('\n');
@@ -16123,19 +17223,27 @@ function SvgCanvas(container, config) {
               out.push('-->');
               break;
           } // switch on node type
+
         }
+
         indent--;
+
         if (!bOneLine) {
           out.push('\n');
+
           for (i = 0; i < indent; i++) {
             out.push(' ');
           }
         }
-        out.push('</');out.push(elem.nodeName);out.push('>');
+
+        out.push('</');
+        out.push(elem.nodeName);
+        out.push('>');
       } else {
         out.push('/>');
       }
     }
+
     return out.join('');
   }; // end svgToString()
 
@@ -16145,6 +17253,7 @@ function SvgCanvas(container, config) {
    * @param {string|false} result Data URL
    * @returns {undefined}
    */
+
   /**
   * Converts a given image file to a data URL when possible, then runs a given callback
   * @function module:svgcanvas.SvgCanvas#embedImage
@@ -16152,6 +17261,8 @@ function SvgCanvas(container, config) {
   * @param {module:svgcanvas.ImageEmbeddedCallback} [callback] - Function to run when image data is found
   * @returns {Promise} Resolves to Data URL (string|false)
   */
+
+
   this.embedImage = function (src, callback) {
     return new Promise(function (resolve, reject) {
       // load in the image and once it's loaded, get the dimensions
@@ -16159,14 +17270,15 @@ function SvgCanvas(container, config) {
         if (status === 'error') {
           reject(new Error('Error loading image: ' + xhr.status + ' ' + xhr.statusText));
           return;
-        }
-        // create a canvas the same size as the raster image
+        } // create a canvas the same size as the raster image
+
+
         var cvs = document.createElement('canvas');
         cvs.width = this.width;
-        cvs.height = this.height;
-        // load the raster image into the canvas
-        cvs.getContext('2d').drawImage(this, 0, 0);
-        // retrieve the data: URL
+        cvs.height = this.height; // load the raster image into the canvas
+
+        cvs.getContext('2d').drawImage(this, 0, 0); // retrieve the data: URL
+
         try {
           var urldata = ';svgedit_url=' + encodeURIComponent(src);
           urldata = cvs.toDataURL().replace(';base64', urldata + ';base64');
@@ -16174,32 +17286,36 @@ function SvgCanvas(container, config) {
         } catch (e) {
           encodableImages[src] = false;
         }
+
         lastGoodImgUrl = src;
+
         if (callback) {
           callback(encodableImages[src]);
         }
+
         resolve(encodableImages[src]);
       }).attr('src', src);
     });
   };
-
   /**
   * Sets a given URL to be a "last good image" URL
   * @function module:svgcanvas.SvgCanvas#setGoodImage
   * @param {string} val
   * @returns {undefined}
   */
+
+
   this.setGoodImage = function (val) {
     lastGoodImgUrl = val;
   };
-
   /**
   * Does nothing by default, handled by optional widget/extension
   * @function module:svgcanvas.SvgCanvas#open
   * @returns {undefined}
   */
-  this.open = function () {};
 
+
+  this.open = function () {};
   /**
   * Serializes the current drawing into SVG XML text and passes it to the 'saved' handler.
   * This function also includes the XML prolog. Clients of the `SvgCanvas` bind their save
@@ -16209,40 +17325,40 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:saved
   * @returns {undefined}
   */
+
+
   this.save = function (opts) {
     // remove the selected outline before serializing
-    clearSelection();
-    // Update save options if provided
+    clearSelection(); // Update save options if provided
+
     if (opts) {
       $$9.extend(saveOptions, opts);
     }
-    saveOptions.apply = true;
 
-    // no need for doctype, see https://jwatt.org/svg/authoring/#doctype-declaration
+    saveOptions.apply = true; // no need for doctype, see https://jwatt.org/svg/authoring/#doctype-declaration
+
     var str = this.svgCanvasToString();
     call('saved', str);
   };
-
   /**
   * Codes only is useful for locale-independent detection
   */
+
+
   function getIssues() {
     // remove the selected outline before serializing
-    clearSelection();
+    clearSelection(); // Check for known CanVG issues
 
-    // Check for known CanVG issues
     var issues = [];
-    var issueCodes = [];
+    var issueCodes = []; // Selector and notice
 
-    // Selector and notice
     var issueList = {
       feGaussianBlur: uiStrings.exportNoBlur,
       foreignObject: uiStrings.exportNoforeignObject,
       '[stroke-dasharray]': uiStrings.exportNoDashArray
     };
-    var content = $$9(svgcontent);
+    var content = $$9(svgcontent); // Add font/text check if Canvas Text API is not implemented
 
-    // Add font/text check if Canvas Text API is not implemented
     if (!('font' in $$9('<canvas>')[0].getContext('2d'))) {
       issueList.text = uiStrings.exportNoText;
     }
@@ -16253,13 +17369,17 @@ function SvgCanvas(container, config) {
         issues.push(descr);
       }
     });
-    return { issues: issues, issueCodes: issueCodes };
+    return {
+      issues: issues,
+      issueCodes: issueCodes
+    };
   }
 
-  var canvg = void 0;
+  var canvg;
   /**
   * @typedef {"feGaussianBlur"|"foreignObject"|"[stroke-dasharray]"|"text"} module:svgcanvas.IssueCode
   */
+
   /**
   * @typedef {PlainObject} module:svgcanvas.ImageExportedResults
   * @property {string} datauri Contents as a Data URL
@@ -16279,6 +17399,7 @@ function SvgCanvas(container, config) {
    * @param {module:svgcanvas.ImageExportedResults} obj
    * @returns {undefined}
    */
+
   /**
   * Generates a PNG (or JPG, BMP, WEBP) Data URL based on the current image,
   * then calls "exported" with an object including the string, image
@@ -16292,9 +17413,8 @@ function SvgCanvas(container, config) {
   * @todo Confirm/fix ICO type
   * @returns {Promise} Resolves to {@link module:svgcanvas.ImageExportedResults}
   */
-  this.rasterExport = function (imgType, quality, exportWindowName, cb) {
-    var _this = this;
 
+  this.rasterExport = function (imgType, quality, exportWindowName, cb) {
     var type = imgType === 'ICO' ? 'BMP' : imgType || 'PNG';
     var mimeType = 'image/' + type.toLowerCase();
 
@@ -16303,24 +17423,36 @@ function SvgCanvas(container, config) {
         issueCodes = _getIssues.issueCodes;
 
     var svg = this.svgCanvasToString();
-
-    return new Promise(function () {
-      var _ref4 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(resolve, reject) {
+    return new Promise(
+    /*#__PURE__*/
+    function () {
+      var _ref4 = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee2(resolve, reject) {
         var _ref5, c, dataURLType, datauri, bloburl, done;
 
         return regeneratorRuntime.wrap(function _callee2$(_context2) {
           while (1) {
             switch (_context2.prev = _context2.next) {
               case 0:
-                done = function done() {
+                done = function _ref6() {
                   var obj = {
-                    datauri: datauri, bloburl: bloburl, svg: svg, issues: issues, issueCodes: issueCodes, type: imgType,
-                    mimeType: mimeType, quality: quality, exportWindowName: exportWindowName
+                    datauri: datauri,
+                    bloburl: bloburl,
+                    svg: svg,
+                    issues: issues,
+                    issueCodes: issueCodes,
+                    type: imgType,
+                    mimeType: mimeType,
+                    quality: quality,
+                    exportWindowName: exportWindowName
                   };
                   call('exported', obj);
+
                   if (cb) {
                     cb(obj);
                   }
+
                   resolve(obj);
                 };
 
@@ -16340,23 +17472,23 @@ function SvgCanvas(container, config) {
 
               case 6:
                 if (!$$9('#export_canvas').length) {
-                  $$9('<canvas>', { id: 'export_canvas' }).hide().appendTo('body');
+                  $$9('<canvas>', {
+                    id: 'export_canvas'
+                  }).hide().appendTo('body');
                 }
-                c = $$9('#export_canvas')[0];
 
+                c = $$9('#export_canvas')[0];
                 c.width = canvas.contentW;
                 c.height = canvas.contentH;
-
                 _context2.next = 12;
                 return canvg(c, svg);
 
               case 12:
                 dataURLType = type.toLowerCase();
                 datauri = quality ? c.toDataURL('image/' + dataURLType, quality) : c.toDataURL('image/' + dataURLType);
-                bloburl = void 0;
 
                 if (!c.toBlob) {
-                  _context2.next = 18;
+                  _context2.next = 17;
                   break;
                 }
 
@@ -16364,18 +17496,18 @@ function SvgCanvas(container, config) {
                   bloburl = createObjectURL(blob);
                   done();
                 }, mimeType, quality);
-                return _context2.abrupt('return');
+                return _context2.abrupt("return");
 
-              case 18:
+              case 17:
                 bloburl = dataURLToObjectURL(datauri);
                 done();
 
-              case 20:
-              case 'end':
+              case 19:
+              case "end":
                 return _context2.stop();
             }
           }
-        }, _callee2, _this);
+        }, _callee2, this);
       }));
 
       return function (_x4, _x5) {
@@ -16386,10 +17518,12 @@ function SvgCanvas(container, config) {
   /**
    * @external jsPDF
    */
+
   /**
    * @typedef {undefined|"save"|"arraybuffer"|"blob"|"datauristring"|"dataurlstring"|"dataurlnewwindow"|"datauri"|"dataurl"} external:jsPDF.OutputType
    * @todo Newer version to add also allows these `outputType` values "bloburi"|"bloburl" which return strings, so document here and for `outputType` of `module:svgcanvas.PDFExportedResults` below if added
   */
+
   /**
   * @typedef {PlainObject} module:svgcanvas.PDFExportedResults
   * @property {string} svg The SVG PDF output
@@ -16415,6 +17549,7 @@ function SvgCanvas(container, config) {
    * @param {module:svgcanvas.PDFExportedResults} obj
    * @returns {undefined}
    */
+
   /**
   * Generates a PDF based on the current image, then calls "exportedPDF" with
   * an object including the string, the data URL, and any issues found
@@ -16425,12 +17560,16 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:exportedPDF
   * @returns {Promise} Resolves to {@link module:svgcanvas.PDFExportedResults}
   */
-  this.exportPDF = function (exportWindowName, outputType, cb) {
-    var _this2 = this;
 
+
+  this.exportPDF = function (exportWindowName, outputType, cb) {
     var that = this;
-    return new Promise(function () {
-      var _ref6 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee3(resolve, reject) {
+    return new Promise(
+    /*#__PURE__*/
+    function () {
+      var _ref7 = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee3(resolve, reject) {
         var modularVersion, res, orientation, unit, doc, docTitle, _getIssues2, issues, issueCodes, svg, obj;
 
         return regeneratorRuntime.wrap(function _callee3$(_context3) {
@@ -16443,14 +17582,12 @@ function SvgCanvas(container, config) {
                 }
 
                 _context3.next = 3;
-                return importScript([
-                // We do not currently have these paths configurable as they are
+                return importScript([// We do not currently have these paths configurable as they are
                 //   currently global-only, so not Rolled-up
                 'jspdf/underscore-min.js', 'jspdf/jspdf.min.js']);
 
               case 3:
-                modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false;
-                // Todo: Switch to `import()` when widely supported and available (also allow customization of path)
+                modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false; // Todo: Switch to `import()` when widely supported and available (also allow customization of path)
 
                 _context3.next = 6;
                 return importScript(curConfig.jspdfPath + 'jspdf.plugin.svgToPdf.js', {
@@ -16461,67 +17598,72 @@ function SvgCanvas(container, config) {
                 res = getResolution();
                 orientation = res.w > res.h ? 'landscape' : 'portrait';
                 unit = 'pt'; // curConfig.baseUnit; // We could use baseUnit, but that is presumably not intended for export purposes
-
                 // Todo: Give options to use predefined jsPDF formats like "a4", etc. from pull-down (with option to keep customizable)
 
                 doc = jsPDF({
                   orientation: orientation,
                   unit: unit,
-                  format: [res.w, res.h]
-                  // , compressPdf: true
+                  format: [res.w, res.h] // , compressPdf: true
+
                 });
                 docTitle = getDocumentTitle();
-
                 doc.setProperties({
-                  title: docTitle /* ,
-                                  subject: '',
-                                  author: '',
-                                  keywords: '',
-                                  creator: '' */
+                  title: docTitle
+                  /* ,
+                  subject: '',
+                  author: '',
+                  keywords: '',
+                  creator: '' */
+
                 });
                 _getIssues2 = getIssues(), issues = _getIssues2.issues, issueCodes = _getIssues2.issueCodes;
                 svg = that.svgCanvasToString();
-
-                doc.addSVG(svg, 0, 0);
-
-                // doc.output('save'); // Works to open in a new
+                doc.addSVG(svg, 0, 0); // doc.output('save'); // Works to open in a new
                 //  window; todo: configure this and other export
                 //  options to optionally work in this manner as
                 //  opposed to opening a new tab
-                outputType = outputType || 'dataurlstring';
-                obj = { svg: svg, issues: issues, issueCodes: issueCodes, exportWindowName: exportWindowName, outputType: outputType };
 
+                outputType = outputType || 'dataurlstring';
+                obj = {
+                  svg: svg,
+                  issues: issues,
+                  issueCodes: issueCodes,
+                  exportWindowName: exportWindowName,
+                  outputType: outputType
+                };
                 obj.output = doc.output(outputType, outputType === 'save' ? exportWindowName || 'svg.pdf' : undefined);
+
                 if (cb) {
                   cb(obj);
                 }
+
                 resolve(obj);
                 call('exportedPDF', obj);
 
               case 21:
-              case 'end':
+              case "end":
                 return _context3.stop();
             }
           }
-        }, _callee3, _this2);
+        }, _callee3, this);
       }));
 
       return function (_x6, _x7) {
-        return _ref6.apply(this, arguments);
+        return _ref7.apply(this, arguments);
       };
     }());
   };
-
   /**
   * Returns the current drawing as raw SVG XML text.
   * @function module:svgcanvas.SvgCanvas#getSvgString
   * @returns {string} The current drawing as raw SVG XML text.
   */
+
+
   this.getSvgString = function () {
     saveOptions.apply = false;
     return this.svgCanvasToString();
   };
-
   /**
   * This function determines whether to use a nonce in the prefix, when
   * generating IDs for future documents in SVG-Edit.
@@ -16532,6 +17674,8 @@ function SvgCanvas(container, config) {
   * `svgCanvas.randomizeIds() <==> svgCanvas.randomizeIds(true)`
   * @returns {undefined}
   */
+
+
   this.randomizeIds = function (enableRandomization) {
     if (arguments.length > 0 && enableRandomization === false) {
       randomizeIds(false, getCurrentDrawing());
@@ -16539,16 +17683,16 @@ function SvgCanvas(container, config) {
       randomizeIds(true, getCurrentDrawing());
     }
   };
-
   /**
   * Ensure each element has a unique ID
   * @function module:svgcanvas.SvgCanvas#uniquifyElems
   * @param {Element} g - The parent element of the tree to give unique IDs
   * @returns {undefined}
   */
+
+
   var uniquifyElems = this.uniquifyElems = function (g) {
-    var ids = {};
-    // TODO: Handle markers and connectors. These are not yet re-identified properly
+    var ids = {}; // TODO: Handle markers and connectors. These are not yet re-identified properly
     // as their referring elements do not get remapped.
     //
     // <marker id='se_marker_end_svg_7'/>
@@ -16556,8 +17700,8 @@ function SvgCanvas(container, config) {
     //
     // Problem #1: if svg_1 gets renamed, we do not update the polyline's se:connector attribute
     // Problem #2: if the polyline svg_7 gets renamed, we do not update the marker id nor the polyline's marker-end attribute
-    var refElems = ['filter', 'linearGradient', 'pattern', 'radialGradient', 'symbol', 'textPath', 'use'];
 
+    var refElems = ['filter', 'linearGradient', 'pattern', 'radialGradient', 'symbol', 'textPath', 'use'];
     walkTree(g, function (n) {
       // if it's an element node
       if (n.nodeType === 1) {
@@ -16566,70 +17710,86 @@ function SvgCanvas(container, config) {
           // and we haven't tracked this ID yet
           if (!(n.id in ids)) {
             // add this id to our map
-            ids[n.id] = { elem: null, attrs: [], hrefs: [] };
+            ids[n.id] = {
+              elem: null,
+              attrs: [],
+              hrefs: []
+            };
           }
-          ids[n.id].elem = n;
-        }
 
-        // now search for all attributes on this element that might refer
+          ids[n.id].elem = n;
+        } // now search for all attributes on this element that might refer
         // to other elements
+
+
         $$9.each(refAttrs, function (i, attr) {
           var attrnode = n.getAttributeNode(attr);
+
           if (attrnode) {
             // the incoming file has been sanitized, so we should be able to safely just strip off the leading #
             var url = getUrlFromAttr(attrnode.value),
                 refid = url ? url.substr(1) : null;
+
             if (refid) {
               if (!(refid in ids)) {
                 // add this id to our map
-                ids[refid] = { elem: null, attrs: [], hrefs: [] };
+                ids[refid] = {
+                  elem: null,
+                  attrs: [],
+                  hrefs: []
+                };
               }
+
               ids[refid].attrs.push(attrnode);
             }
           }
-        });
+        }); // check xlink:href now
+
+        var href = getHref(n); // TODO: what if an <image> or <a> element refers to an element internally?
 
-        // check xlink:href now
-        var href = getHref(n);
-        // TODO: what if an <image> or <a> element refers to an element internally?
         if (href && refElems.includes(n.nodeName)) {
           var refid = href.substr(1);
+
           if (refid) {
             if (!(refid in ids)) {
               // add this id to our map
-              ids[refid] = { elem: null, attrs: [], hrefs: [] };
+              ids[refid] = {
+                elem: null,
+                attrs: [],
+                hrefs: []
+              };
             }
+
             ids[refid].hrefs.push(n);
           }
         }
       }
-    });
+    }); // in ids, we now have a map of ids, elements and attributes, let's re-identify
 
-    // in ids, we now have a map of ids, elements and attributes, let's re-identify
     for (var oldid in ids) {
       if (!oldid) {
         continue;
       }
+
       var elem = ids[oldid].elem;
 
       if (elem) {
-        var newid = getNextId();
+        var newid = getNextId(); // assign element its new id
 
-        // assign element its new id
-        elem.id = newid;
+        elem.id = newid; // remap all url() attributes
 
-        // remap all url() attributes
         var attrs = ids[oldid].attrs;
-
         var j = attrs.length;
+
         while (j--) {
           var attr = attrs[j];
           attr.ownerElement.setAttribute(attr.name, 'url(#' + newid + ')');
-        }
+        } // remap all href attributes
+
 
-        // remap all href attributes
         var hreffers = ids[oldid].hrefs;
         var k = hreffers.length;
+
         while (k--) {
           var hreffer = hreffers[k];
           setHref(hreffer, '#' + newid);
@@ -16637,13 +17797,14 @@ function SvgCanvas(container, config) {
       }
     }
   };
-
   /**
   * Assigns reference data for each use element
   * @function module:svgcanvas.SvgCanvas#setUseData
   * @param {Element} parent
   * @returns {undefined}
   */
+
+
   var setUseData = this.setUseData = function (parent) {
     var elems = $$9(parent);
 
@@ -16654,24 +17815,29 @@ function SvgCanvas(container, config) {
     elems.each(function () {
       var id = getHref(this).substr(1);
       var refElem = getElem(id);
+
       if (!refElem) {
         return;
       }
+
       $$9(this).data('ref', refElem);
+
       if (refElem.tagName === 'symbol' || refElem.tagName === 'svg') {
         $$9(this).data('symbol', refElem).data('ref', refElem);
       }
     });
   };
-
   /**
   * Converts gradients from userSpaceOnUse to objectBoundingBox
   * @function module:svgcanvas.SvgCanvas#convertGradients
   * @param {Element} elem
   * @returns {undefined}
   */
+
+
   var convertGradients = this.convertGradients = function (elem) {
     var elems = $$9(elem).find('linearGradient, radialGradient');
+
     if (!elems.length && isWebkit()) {
       // Bug in webkit prevents regular *Gradient selector search
       elems = $$9(elem).find('*').filter(function () {
@@ -16681,32 +17847,32 @@ function SvgCanvas(container, config) {
 
     elems.each(function () {
       var grad = this;
+
       if ($$9(grad).attr('gradientUnits') === 'userSpaceOnUse') {
         // TODO: Support more than one element with this ref by duplicating parent grad
         var _elems = $$9(svgcontent).find('[fill="url(#' + grad.id + ')"],[stroke="url(#' + grad.id + ')"]');
+
         if (!_elems.length) {
           return;
-        }
+        } // get object's bounding box
 
-        // get object's bounding box
-        var bb = getBBox(_elems[0]);
 
-        // This will occur if the element is inside a <defs> or a <symbol>,
+        var bb = getBBox(_elems[0]); // This will occur if the element is inside a <defs> or a <symbol>,
         // in which we shouldn't need to convert anyway.
+
         if (!bb) {
           return;
         }
 
         if (grad.tagName === 'linearGradient') {
-          var gCoords = $$9(grad).attr(['x1', 'y1', 'x2', 'y2']);
+          var gCoords = $$9(grad).attr(['x1', 'y1', 'x2', 'y2']); // If has transform, convert
 
-          // If has transform, convert
           var tlist = grad.gradientTransform.baseVal;
+
           if (tlist && tlist.numberOfItems > 0) {
             var m = transformListToTransform(tlist).matrix;
             var pt1 = transformPoint(gCoords.x1, gCoords.y1, m);
             var pt2 = transformPoint(gCoords.x2, gCoords.y2, m);
-
             gCoords.x1 = pt1.x;
             gCoords.y1 = pt1.y;
             gCoords.x2 = pt2.x;
@@ -16721,8 +17887,7 @@ function SvgCanvas(container, config) {
             y2: (gCoords.y2 - bb.y) / bb.height
           });
           grad.removeAttribute('gradientUnits');
-        }
-        // else {
+        } // else {
         //   Note: radialGradient elements cannot be easily converted
         //   because userSpaceOnUse will keep circular gradients, while
         //   objectBoundingBox will x/y scale the gradient according to
@@ -16742,10 +17907,10 @@ function SvgCanvas(container, config) {
         //
         //   grad.removeAttribute('gradientUnits');
         // }
+
       }
     });
   };
-
   /**
   * Converts selected/given `<use>` or child SVG element to a group
   * @function module:svgcanvas.SvgCanvas#convertToGroup
@@ -16753,22 +17918,23 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:selected
   * @returns {undefined}
   */
+
+
   var convertToGroup = this.convertToGroup = function (elem) {
     if (!elem) {
       elem = selectedElements[0];
     }
+
     var $elem = $$9(elem);
     var batchCmd = new BatchCommand$1();
-    var ts = void 0;
+    var ts;
 
     if ($elem.data('gsvg')) {
       // Use the gsvg as the new group
       var svg = elem.firstChild;
       var pt = $$9(svg).attr(['x', 'y']);
-
       $$9(elem.firstChild.firstChild).unwrap();
       $$9(elem).removeData('gsvg');
-
       var tlist = getTransformList(elem);
       var xform = svgroot.createSVGTransform();
       xform.setTranslate(pt.x, pt.y);
@@ -16777,39 +17943,33 @@ function SvgCanvas(container, config) {
       call('selected', [elem]);
     } else if ($elem.data('symbol')) {
       elem = $elem.data('symbol');
-
       ts = $elem.attr('transform');
       var pos = $elem.attr(['x', 'y']);
-
       var vb = elem.getAttribute('viewBox');
 
       if (vb) {
         var nums = vb.split(' ');
         pos.x -= +nums[0];
         pos.y -= +nums[1];
-      }
+      } // Not ideal, but works
+
 
-      // Not ideal, but works
       ts += ' translate(' + (pos.x || 0) + ',' + (pos.y || 0) + ')';
+      var prev = $elem.prev(); // Remove <use> element
 
-      var prev = $elem.prev();
-
-      // Remove <use> element
       batchCmd.addSubCommand(new RemoveElementCommand$1($elem[0], $elem[0].nextSibling, $elem[0].parentNode));
-      $elem.remove();
+      $elem.remove(); // See if other elements reference this symbol
 
-      // See if other elements reference this symbol
       var hasMore = $$9(svgcontent).find('use:data(symbol)').length;
-
       var g = svgdoc.createElementNS(NS.SVG, 'g');
       var childs = elem.childNodes;
+      var i;
 
-      var i = void 0;
       for (i = 0; i < childs.length; i++) {
         g.append(childs[i].cloneNode(true));
-      }
+      } // Duplicate the gradients for Gecko, since they weren't included in the <symbol>
+
 
-      // Duplicate the gradients for Gecko, since they weren't included in the <symbol>
       if (isGecko()) {
         var dupeGrads = $$9(findDefs()).children('linearGradient,radialGradient,pattern').clone();
         $$9(g).append(dupeGrads);
@@ -16820,17 +17980,14 @@ function SvgCanvas(container, config) {
       }
 
       var parent = elem.parentNode;
+      uniquifyElems(g); // Put the dupe gradients back into <defs> (after uniquifying them)
 
-      uniquifyElems(g);
-
-      // Put the dupe gradients back into <defs> (after uniquifying them)
       if (isGecko()) {
         $$9(findDefs()).append($$9(g).find('linearGradient,radialGradient,pattern'));
-      }
+      } // now give the g itself a new id
+
 
-      // now give the g itself a new id
       g.id = getNextId();
-
       prev.after(g);
 
       if (parent) {
@@ -16838,10 +17995,10 @@ function SvgCanvas(container, config) {
           // remove symbol/svg element
           var _elem = elem,
               nextSibling = _elem.nextSibling;
-
           elem.remove();
           batchCmd.addSubCommand(new RemoveElementCommand$1(elem, nextSibling, parent));
         }
+
         batchCmd.addSubCommand(new InsertElementCommand$1(g));
       }
 
@@ -16851,28 +18008,26 @@ function SvgCanvas(container, config) {
         convertGradients(findDefs());
       } else {
         convertGradients(g);
-      }
-
-      // recalculate dimensions on the top-level children so that unnecessary transforms
+      } // recalculate dimensions on the top-level children so that unnecessary transforms
       // are removed
+
+
       walkTreePost(g, function (n) {
         try {
           recalculateDimensions(n);
         } catch (e) {
           console.log(e);
         }
-      });
+      }); // Give ID for any visible element missing one
 
-      // Give ID for any visible element missing one
       $$9(g).find(visElems).each(function () {
         if (!this.id) {
           this.id = getNextId();
         }
       });
-
       selectOnly([g]);
-
       var cm = pushGroupProperties(g, true);
+
       if (cm) {
         batchCmd.addSubCommand(cm);
       }
@@ -16882,7 +18037,6 @@ function SvgCanvas(container, config) {
       console.log('Unexpected element to ungroup:', elem);
     }
   };
-
   /**
   * This function sets the current drawing as the input SVG XML.
   * @function module:svgcanvas.SvgCanvas#setSvgString
@@ -16896,27 +18050,26 @@ function SvgCanvas(container, config) {
   * @returns {boolean} This function returns `false` if the set was
   *     unsuccessful, `true` otherwise.
   */
+
+
   this.setSvgString = function (xmlString, preventUndo) {
     try {
       // convert string into XML document
       var newDoc = text2xml(xmlString);
+
       if (newDoc.firstElementChild && newDoc.firstElementChild.namespaceURI !== NS.SVG) {
         return false;
       }
 
       this.prepareSvg(newDoc);
+      var batchCmd = new BatchCommand$1('Change Source'); // remove old svg document
 
-      var batchCmd = new BatchCommand$1('Change Source');
-
-      // remove old svg document
       var _svgcontent = svgcontent,
           nextSibling = _svgcontent.nextSibling;
-
       var oldzoom = svgroot.removeChild(svgcontent);
-      batchCmd.addSubCommand(new RemoveElementCommand$1(oldzoom, nextSibling, svgroot));
-
-      // set new svg document
+      batchCmd.addSubCommand(new RemoveElementCommand$1(oldzoom, nextSibling, svgroot)); // set new svg document
       // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()
+
       if (svgdoc.adoptNode) {
         svgcontent = svgdoc.adoptNode(newDoc.documentElement);
       } else {
@@ -16925,82 +18078,76 @@ function SvgCanvas(container, config) {
 
       svgroot.append(svgcontent);
       var content = $$9(svgcontent);
+      canvas.current_drawing_ = new Drawing(svgcontent, idprefix); // retrieve or set the nonce
 
-      canvas.current_drawing_ = new Drawing(svgcontent, idprefix);
-
-      // retrieve or set the nonce
       var nonce = getCurrentDrawing().getNonce();
+
       if (nonce) {
         call('setnonce', nonce);
       } else {
         call('unsetnonce');
-      }
+      } // change image href vals if possible
+
 
-      // change image href vals if possible
       content.find('image').each(function () {
         var image = this;
         preventClickDefault(image);
         var val = getHref(this);
+
         if (val) {
           if (val.startsWith('data:')) {
             // Check if an SVG-edit data URI
             var m = val.match(/svgedit_url=(.*?);/);
+
             if (m) {
               var url = decodeURIComponent(m[1]);
               $$9(new Image()).load(function () {
                 image.setAttributeNS(NS.XLINK, 'xlink:href', url);
               }).attr('src', url);
             }
-          }
-          // Add to encodableImages if it loads
+          } // Add to encodableImages if it loads
+
+
           canvas.embedImage(val);
         }
-      });
+      }); // Wrap child SVGs in group elements
 
-      // Wrap child SVGs in group elements
       content.find('svg').each(function () {
         // Skip if it's in a <defs>
         if ($$9(this).closest('defs').length) {
           return;
         }
 
-        uniquifyElems(this);
+        uniquifyElems(this); // Check if it already has a gsvg group
 
-        // Check if it already has a gsvg group
         var pa = this.parentNode;
+
         if (pa.childNodes.length === 1 && pa.nodeName === 'g') {
           $$9(pa).data('gsvg', this);
           pa.id = pa.id || getNextId();
         } else {
           groupSvgElem(this);
         }
-      });
+      }); // For Firefox: Put all paint elems in defs
 
-      // For Firefox: Put all paint elems in defs
       if (isGecko()) {
         content.find('linearGradient, radialGradient, pattern').appendTo(findDefs());
-      }
-
-      // Set ref element for <use> elements
-
+      } // Set ref element for <use> elements
       // TODO: This should also be done if the object is re-added through "redo"
+
+
       setUseData(content);
-
       convertGradients(content[0]);
-
       var attrs = {
         id: 'svgcontent',
         overflow: curConfig.show_outside_canvas ? 'visible' : 'hidden'
       };
+      var percs = false; // determine proper size
 
-      var percs = false;
-
-      // determine proper size
       if (content.attr('viewBox')) {
         var vb = content.attr('viewBox').split(' ');
         attrs.width = vb[2];
-        attrs.height = vb[3];
-        // handle content that doesn't have a viewBox
+        attrs.height = vb[3]; // handle content that doesn't have a viewBox
       } else {
         $$9.each(['width', 'height'], function (i, dim) {
           // Set to 100 if not given
@@ -17013,30 +18160,29 @@ function SvgCanvas(container, config) {
             attrs[dim] = convertToNum(dim, val);
           }
         });
-      }
+      } // identify layers
 
-      // identify layers
-      identifyLayers();
 
-      // Give ID for any visible layer children missing one
+      identifyLayers(); // Give ID for any visible layer children missing one
+
       content.children().find(visElems).each(function () {
         if (!this.id) {
           this.id = getNextId();
         }
-      });
+      }); // Percentage width/height, so let's base it on visible elements
 
-      // Percentage width/height, so let's base it on visible elements
       if (percs) {
         var bb = getStrokedBBoxDefaultVisible();
         attrs.width = bb.width + bb.x;
         attrs.height = bb.height + bb.y;
-      }
-
-      // Just in case negative numbers are given or
+      } // Just in case negative numbers are given or
       // result from the percs calculation
+
+
       if (attrs.width <= 0) {
         attrs.width = 100;
       }
+
       if (attrs.height <= 0) {
         attrs.height = 100;
       }
@@ -17044,21 +18190,17 @@ function SvgCanvas(container, config) {
       content.attr(attrs);
       this.contentW = attrs.width;
       this.contentH = attrs.height;
+      batchCmd.addSubCommand(new InsertElementCommand$1(svgcontent)); // update root to the correct size
 
-      batchCmd.addSubCommand(new InsertElementCommand$1(svgcontent));
-      // update root to the correct size
       var changes = content.attr(['width', 'height']);
-      batchCmd.addSubCommand(new ChangeElementCommand$1(svgroot, changes));
+      batchCmd.addSubCommand(new ChangeElementCommand$1(svgroot, changes)); // reset zoom
 
-      // reset zoom
-      currentZoom = 1;
+      currentZoom = 1; // reset transform lists
 
-      // reset transform lists
       resetListMap();
       clearSelection();
       clearData();
       svgroot.append(selectorManager.selectorParentGroup);
-
       if (!preventUndo) addCommandToHistory(batchCmd);
       call('changed', [svgcontent]);
     } catch (e) {
@@ -17068,7 +18210,6 @@ function SvgCanvas(container, config) {
 
     return true;
   };
-
   /**
   * This function imports the input SVG XML as a `<symbol>` in the `<defs>`, then adds a
   * `<use>` to the current layer.
@@ -17083,16 +18224,16 @@ function SvgCanvas(container, config) {
   * arbitrary transform lists, but makes some assumptions about how the transform list
   * was obtained
   */
+
+
   this.importSvgString = function (xmlString) {
-    var j = void 0,
-        ts = void 0,
-        useEl = void 0;
+    var j, ts, useEl;
+
     try {
       // Get unique ID
       var uid = encode64(xmlString.length + xmlString).substr(0, 32);
+      var useExisting = false; // Look for symbol and make sure symbol exists in image
 
-      var useExisting = false;
-      // Look for symbol and make sure symbol exists in image
       if (importIds[uid]) {
         if ($$9(importIds[uid].symbol).parents('#svgroot').length) {
           useExisting = true;
@@ -17100,20 +18241,18 @@ function SvgCanvas(container, config) {
       }
 
       var batchCmd = new BatchCommand$1('Import Image');
-      var symbol = void 0;
+      var symbol;
+
       if (useExisting) {
         symbol = importIds[uid].symbol;
-
         ts = importIds[uid].xform;
       } else {
         // convert string into XML document
         var newDoc = text2xml(xmlString);
+        this.prepareSvg(newDoc); // import new svg document into our document
 
-        this.prepareSvg(newDoc);
+        var svg; // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()
 
-        // import new svg document into our document
-        var svg = void 0;
-        // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()
         if (svgdoc.adoptNode) {
           svg = svgdoc.adoptNode(newDoc.documentElement);
         } else {
@@ -17121,31 +18260,28 @@ function SvgCanvas(container, config) {
         }
 
         uniquifyElems(svg);
-
         var innerw = convertToNum('width', svg.getAttribute('width')),
             innerh = convertToNum('height', svg.getAttribute('height')),
             innervb = svg.getAttribute('viewBox'),
-
-        // if no explicit viewbox, create one out of the width and height
+            // if no explicit viewbox, create one out of the width and height
         vb = innervb ? innervb.split(' ') : [0, 0, innerw, innerh];
+
         for (j = 0; j < 4; ++j) {
           vb[j] = +vb[j];
-        }
+        } // TODO: properly handle preserveAspectRatio
+
 
-        // TODO: properly handle preserveAspectRatio
         var // canvasw = +svgcontent.getAttribute('width'),
-        canvash = +svgcontent.getAttribute('height');
-        // imported content should be 1/3 of the canvas on its largest dimension
+        canvash = +svgcontent.getAttribute('height'); // imported content should be 1/3 of the canvas on its largest dimension
 
         if (innerh > innerw) {
           ts = 'scale(' + canvash / 3 / vb[3] + ')';
         } else {
           ts = 'scale(' + canvash / 3 / vb[2] + ')';
-        }
+        } // Hack to make recalculateDimensions understand how to scale
+
 
-        // Hack to make recalculateDimensions understand how to scale
         ts = 'translate(0) ' + ts + ' translate(0)';
-
         symbol = svgdoc.createElementNS(NS.SVG, 'symbol');
         var defs = findDefs();
 
@@ -17160,19 +18296,20 @@ function SvgCanvas(container, config) {
           var first = svg.firstChild;
           symbol.append(first);
         }
+
         var attrs = svg.attributes;
+
         for (var i = 0; i < attrs.length; i++) {
           var attr = attrs[i];
           symbol.setAttribute(attr.nodeName, attr.value);
         }
-        symbol.id = getNextId();
 
-        // Store data
+        symbol.id = getNextId(); // Store data
+
         importIds[uid] = {
           symbol: symbol,
           xform: ts
         };
-
         findDefs().append(symbol);
         batchCmd.addSubCommand(new InsertElementCommand$1(symbol));
       }
@@ -17180,33 +18317,30 @@ function SvgCanvas(container, config) {
       useEl = svgdoc.createElementNS(NS.SVG, 'use');
       useEl.id = getNextId();
       setHref(useEl, '#' + symbol.id);
-
       (currentGroup || getCurrentDrawing().getCurrentLayer()).append(useEl);
       batchCmd.addSubCommand(new InsertElementCommand$1(useEl));
       clearSelection();
-
       useEl.setAttribute('transform', ts);
       recalculateDimensions(useEl);
       $$9(useEl).data('symbol', symbol).data('ref', symbol);
-      addToSelection([useEl]);
-
-      // TODO: Find way to add this in a recalculateDimensions-parsable way
+      addToSelection([useEl]); // TODO: Find way to add this in a recalculateDimensions-parsable way
       // if (vb[0] !== 0 || vb[1] !== 0) {
       //   ts = 'translate(' + (-vb[0]) + ',' + (-vb[1]) + ') ' + ts;
       // }
+
       addCommandToHistory(batchCmd);
       call('changed', [svgcontent]);
     } catch (e) {
       console.log(e);
       return null;
-    }
+    } // we want to return the element so we can automatically select it
+
 
-    // we want to return the element so we can automatically select it
     return useEl;
-  };
-
-  // Could deprecate, but besides external uses, their usage makes clear that
+  }; // Could deprecate, but besides external uses, their usage makes clear that
   //  canvas is a dependency for all of these
+
+
   ['identifyLayers', 'createLayer', 'cloneLayer', 'deleteCurrentLayer', 'setCurrentLayer', 'renameCurrentLayer', 'setCurrentLayerPosition', 'setLayerVisibility', 'moveSelectedToLayer', 'mergeLayer', 'mergeAllLayers', 'leaveContext', 'setContext'].forEach(function (prop) {
     canvas[prop] = draw[prop];
   });
@@ -17222,7 +18356,6 @@ function SvgCanvas(container, config) {
     setCurrentGroup: function setCurrentGroup(cg) {
       currentGroup = cg;
     },
-
     getSelectedElements: getSelectedElements,
     getSVGContent: getSVGContent,
     undoMgr: undoMgr,
@@ -17231,6 +18364,7 @@ function SvgCanvas(container, config) {
     clearSelection: clearSelection,
     call: call,
     addCommandToHistory: addCommandToHistory,
+
     /**
      * @fires module:svgcanvas.SvgCanvas#event:changed
      * @returns {undefined}
@@ -17239,7 +18373,6 @@ function SvgCanvas(container, config) {
       call('changed', [svgcontent]);
     }
   });
-
   /**
   * Group: Document functions
   */
@@ -17250,51 +18383,44 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:cleared
   * @returns {undefined}
   */
+
   this.clear = function () {
     pathActions$$1.clear();
+    clearSelection(); // clear the svgcontent node
 
-    clearSelection();
+    canvas.clearSvgContentElement(); // create new document
 
-    // clear the svgcontent node
-    canvas.clearSvgContentElement();
+    canvas.current_drawing_ = new Drawing(svgcontent); // create empty first layer
 
-    // create new document
-    canvas.current_drawing_ = new Drawing(svgcontent);
+    canvas.createLayer('Layer 1'); // clear the undo stack
 
-    // create empty first layer
-    canvas.createLayer('Layer 1');
+    canvas.undoMgr.resetUndoStack(); // reset the selector manager
 
-    // clear the undo stack
-    canvas.undoMgr.resetUndoStack();
+    selectorManager.initGroup(); // reset the rubber band box
 
-    // reset the selector manager
-    selectorManager.initGroup();
-
-    // reset the rubber band box
     rubberBox = selectorManager.getRubberBandBox();
-
     call('cleared');
-  };
+  }; // Alias function
+
 
-  // Alias function
   this.linkControlPoints = pathActions$$1.linkControlPoints;
-
   /**
   * @function module:svgcanvas.SvgCanvas#getContentElem
   * @returns {Element} The content DOM element
   */
+
   this.getContentElem = function () {
     return svgcontent;
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#getRootElem
   * @returns {SVGSVGElement} The root DOM element
   */
+
+
   this.getRootElem = function () {
     return svgroot;
   };
-
   /**
   * @typedef {PlainObject} DimensionsAndZoom
   * @property {Float} w Width
@@ -17306,77 +18432,85 @@ function SvgCanvas(container, config) {
   * @function module:svgcanvas.SvgCanvas#getResolution
   * @returns {DimensionsAndZoom} The current dimensions and zoom level in an object
   */
+
+
   var getResolution = this.getResolution = function () {
     //    const vb = svgcontent.getAttribute('viewBox').split(' ');
     //    return {w:vb[2], h:vb[3], zoom: currentZoom};
-
     var w = svgcontent.getAttribute('width') / currentZoom;
     var h = svgcontent.getAttribute('height') / currentZoom;
-
     return {
       w: w,
       h: h,
       zoom: currentZoom
     };
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#getSnapToGrid
   * @returns {boolean} The current snap to grid setting
   */
+
+
   this.getSnapToGrid = function () {
     return curConfig.gridSnapping;
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#getVersion
   * @returns {string} A string which describes the revision number of SvgCanvas.
   */
+
+
   this.getVersion = function () {
     return 'svgcanvas.js ($Rev$)';
   };
-
   /**
   * Update interface strings with given values
   * @function module:svgcanvas.SvgCanvas#setUiStrings
   * @param {module:path.uiStrings} strs - Object with strings (see the [locales API]{@link module:locale.LocaleStrings} and the [tutorial]{@tutorial LocaleDocs})
   * @returns {undefined}
   */
+
+
   this.setUiStrings = function (strs) {
     Object.assign(uiStrings, strs.notification);
     setUiStrings(strs);
   };
-
   /**
   * Update configuration options with given values
   * @function module:svgcanvas.SvgCanvas#setConfig
   * @param {module:SVGEditor.Config} opts - Object with options
   * @returns {undefined}
   */
+
+
   this.setConfig = function (opts) {
     Object.assign(curConfig, opts);
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#getTitle
   * @param {Element} elem
   * @returns {string|undefined} the current group/SVG's title contents
   */
+
+
   this.getTitle = function (elem) {
     elem = elem || selectedElements[0];
+
     if (!elem) {
       return;
     }
+
     elem = $$9(elem).data('gsvg') || $$9(elem).data('symbol') || elem;
     var childs = elem.childNodes;
+
     for (var i = 0; i < childs.length; i++) {
       if (childs[i].nodeName === 'title') {
         return childs[i].textContent;
       }
     }
+
     return '';
   };
-
   /**
   * Sets the group/SVG's title content
   * @function module:svgcanvas.SvgCanvas#setGroupTitle
@@ -17384,15 +18518,15 @@ function SvgCanvas(container, config) {
   * @todo Combine this with `setDocumentTitle`
   * @returns {undefined}
   */
+
+
   this.setGroupTitle = function (val) {
     var elem = selectedElements[0];
     elem = $$9(elem).data('gsvg') || elem;
-
     var ts = $$9(elem).children('title');
-
     var batchCmd = new BatchCommand$1('Set Label');
+    var title;
 
-    var title = void 0;
     if (!val.length) {
       // Remove title element
       var tsNextSibling = ts.nextSibling;
@@ -17401,7 +18535,9 @@ function SvgCanvas(container, config) {
     } else if (ts.length) {
       // Change title contents
       title = ts[0];
-      batchCmd.addSubCommand(new ChangeElementCommand$1(title, { '#text': title.textContent }));
+      batchCmd.addSubCommand(new ChangeElementCommand$1(title, {
+        '#text': title.textContent
+      }));
       title.textContent = val;
     } else {
       // Add title element
@@ -17413,15 +18549,15 @@ function SvgCanvas(container, config) {
 
     addCommandToHistory(batchCmd);
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#getDocumentTitle
   * @returns {string|undefined} The current document title or an empty string if not found
   */
+
+
   var getDocumentTitle = this.getDocumentTitle = function () {
     return canvas.getTitle(svgcontent);
   };
-
   /**
   * Adds/updates a title element for the document with the given name.
   * This is an undoable action
@@ -17429,11 +18565,12 @@ function SvgCanvas(container, config) {
   * @param {string} newTitle - String with the new title
   * @returns {undefined}
   */
+
+
   this.setDocumentTitle = function (newTitle) {
     var childs = svgcontent.childNodes;
     var docTitle = false,
         oldTitle = '';
-
     var batchCmd = new BatchCommand$1('Change Image Title');
 
     for (var i = 0; i < childs.length; i++) {
@@ -17443,10 +18580,10 @@ function SvgCanvas(container, config) {
         break;
       }
     }
+
     if (!docTitle) {
       docTitle = svgdoc.createElementNS(NS.SVG, 'title');
-      svgcontent.insertBefore(docTitle, svgcontent.firstChild);
-      // svgcontent.firstChild.before(docTitle); // Ok to replace above with this?
+      svgcontent.insertBefore(docTitle, svgcontent.firstChild); // svgcontent.firstChild.before(docTitle); // Ok to replace above with this?
     }
 
     if (newTitle.length) {
@@ -17455,23 +18592,27 @@ function SvgCanvas(container, config) {
       // No title given, so element is not necessary
       docTitle.remove();
     }
-    batchCmd.addSubCommand(new ChangeElementCommand$1(docTitle, { '#text': oldTitle }));
+
+    batchCmd.addSubCommand(new ChangeElementCommand$1(docTitle, {
+      '#text': oldTitle
+    }));
     addCommandToHistory(batchCmd);
   };
-
   /**
   * Returns the editor's namespace URL, optionally adding it to the root element
   * @function module:svgcanvas.SvgCanvas#getEditorNS
   * @param {boolean} [add] - Indicates whether or not to add the namespace value
   * @returns {string} The editor's namespace URL
   */
+
+
   this.getEditorNS = function (add) {
     if (add) {
       svgcontent.setAttribute('xmlns:se', NS.SE);
     }
+
     return NS.SE;
   };
-
   /**
   * Changes the document's dimensions to the given size
   * @function module:svgcanvas.SvgCanvas#setResolution
@@ -17482,12 +18623,13 @@ function SvgCanvas(container, config) {
   * @returns {boolean} Indicates if resolution change was successful.
   * It will fail on "fit to content" option with no content to fit to.
   */
+
+
   this.setResolution = function (x, y) {
     var res = getResolution();
     var w = res.w,
         h = res.h;
-
-    var batchCmd = void 0;
+    var batchCmd;
 
     if (x === 'fit') {
       // Get bounding box
@@ -17503,17 +18645,16 @@ function SvgCanvas(container, config) {
           dx.push(bbox.x * -1);
           dy.push(bbox.y * -1);
         });
-
         var cmd = canvas.moveSelectedElements(dx, dy, true);
         batchCmd.addSubCommand(cmd);
         clearSelection();
-
         x = Math.round(bbox.width);
         y = Math.round(bbox.height);
       } else {
         return false;
       }
     }
+
     if (x !== w || y !== h) {
       if (!batchCmd) {
         batchCmd = new BatchCommand$1('Change Image Dimensions');
@@ -17521,23 +18662,24 @@ function SvgCanvas(container, config) {
 
       x = convertToNum('width', x);
       y = convertToNum('height', y);
-
       svgcontent.setAttribute('width', x);
       svgcontent.setAttribute('height', y);
-
       this.contentW = x;
       this.contentH = y;
-      batchCmd.addSubCommand(new ChangeElementCommand$1(svgcontent, { width: w, height: h }));
-
+      batchCmd.addSubCommand(new ChangeElementCommand$1(svgcontent, {
+        width: w,
+        height: h
+      }));
       svgcontent.setAttribute('viewBox', [0, 0, x / currentZoom, y / currentZoom].join(' '));
-      batchCmd.addSubCommand(new ChangeElementCommand$1(svgcontent, { viewBox: ['0 0', w, h].join(' ') }));
-
+      batchCmd.addSubCommand(new ChangeElementCommand$1(svgcontent, {
+        viewBox: ['0 0', w, h].join(' ')
+      }));
       addCommandToHistory(batchCmd);
       call('changed', [svgcontent]);
     }
+
     return true;
   };
-
   /**
   * @typedef {module:jQueryAttr.Attributes} module:svgcanvas.ElementPositionInCanvas
   * @property {Float} x
@@ -17549,15 +18691,17 @@ function SvgCanvas(container, config) {
   * @returns {module:svgcanvas.ElementPositionInCanvas} An object with `x`, `y` values indicating the svgcontent element's
   * position in the editor's canvas.
   */
+
+
   this.getOffset = function () {
     return $$9(svgcontent).attr(['x', 'y']);
   };
-
   /**
    * @typedef {PlainObject} module:svgcanvas.ZoomAndBBox
    * @property {Float} zoom
    * @property {module:utilities.BBoxObject} bbox
    */
+
   /**
   * Sets the zoom level on the canvas-side based on the given value
   * @function module:svgcanvas.SvgCanvas#setBBoxZoom
@@ -17566,27 +18710,39 @@ function SvgCanvas(container, config) {
   * @param {Integer} editorH - The editor's workarea box's height
   * @returns {module:svgcanvas.ZoomAndBBox|undefined}
   */
+
+
   this.setBBoxZoom = function (val, editorW, editorH) {
     var spacer = 0.85;
-    var bb = void 0;
+    var bb;
+
     var calcZoom = function calcZoom(bb) {
       if (!bb) {
         return false;
       }
+
       var wZoom = Math.round(editorW / bb.width * 100 * spacer) / 100;
       var hZoom = Math.round(editorH / bb.height * 100 * spacer) / 100;
       var zoom = Math.min(wZoom, hZoom);
       canvas.setZoom(zoom);
-      return { zoom: zoom, bbox: bb };
+      return {
+        zoom: zoom,
+        bbox: bb
+      };
     };
 
-    if ((typeof val === 'undefined' ? 'undefined' : _typeof(val)) === 'object') {
+    if (_typeof(val) === 'object') {
       bb = val;
+
       if (bb.width === 0 || bb.height === 0) {
         var newzoom = bb.zoom ? bb.zoom : currentZoom * bb.factor;
         canvas.setZoom(newzoom);
-        return { zoom: currentZoom, bbox: bb };
+        return {
+          zoom: currentZoom,
+          bbox: bb
+        };
       }
+
       return calcZoom(bb);
     }
 
@@ -17595,6 +18751,7 @@ function SvgCanvas(container, config) {
         if (!selectedElements[0]) {
           return;
         }
+
         var selectedElems = $$9.map(selectedElements, function (n) {
           if (n) {
             return n;
@@ -17602,28 +18759,38 @@ function SvgCanvas(container, config) {
         });
         bb = getStrokedBBoxDefaultVisible(selectedElems);
         break;
+
       case 'canvas':
         var res = getResolution();
         spacer = 0.95;
-        bb = { width: res.w, height: res.h, x: 0, y: 0 };
+        bb = {
+          width: res.w,
+          height: res.h,
+          x: 0,
+          y: 0
+        };
         break;
+
       case 'content':
         bb = getStrokedBBoxDefaultVisible();
         break;
+
       case 'layer':
         bb = getStrokedBBoxDefaultVisible(getVisibleElements(getCurrentDrawing().getCurrentLayer()));
         break;
+
       default:
         return;
     }
+
     return calcZoom(bb);
   };
-
   /**
   * The zoom level has changed. Supplies the new zoom level as a number (not percentage).
   * @event module:svgcanvas.SvgCanvas#event:ext-zoomChanged
   * @type {Float}
   */
+
   /**
   * The bottom panel was updated
   * @event module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate
@@ -17631,6 +18798,7 @@ function SvgCanvas(container, config) {
   * @property {boolean} nofill Indicates fill is disabled
   * @property {boolean} nostroke Indicates stroke is disabled
   */
+
   /**
   * The element selection has changed (elements were added/removed from selection)
   * @event module:svgcanvas.SvgCanvas#event:ext-selectedChanged
@@ -17639,6 +18807,7 @@ function SvgCanvas(container, config) {
   * @property {Element|null} selectedElement The single selected element
   * @property {boolean} multiselected Indicates whether one or more elements were selected
   */
+
   /**
   * Called when part of element is in process of changing, generally on
   * mousemove actions like rotate, move, etc.
@@ -17646,12 +18815,14 @@ function SvgCanvas(container, config) {
   * @type {PlainObject}
   * @property {Element[]} elems Array of transitioning elements
   */
+
   /**
   * One or more elements were changed
   * @event module:svgcanvas.SvgCanvas#event:ext-elementChanged
   * @type {PlainObject}
   * @property {Element[]} elems Array of the affected elements
   */
+
   /**
   * Invoked as soon as the locale is ready
   * @event module:svgcanvas.SvgCanvas#event:ext-langReady
@@ -17660,11 +18831,13 @@ function SvgCanvas(container, config) {
   * @property {module:SVGEditor.uiStrings} uiStrings
   * @property {module:SVGEditor~ImportLocale} importLocale
   */
+
   /**
   * The language was changed. Two-letter code of the new language.
   * @event module:svgcanvas.SvgCanvas#event:ext-langChanged
   * @type {string}
   */
+
   /**
   * Means for an extension to add locale data. The two-letter language code.
   * @event module:svgcanvas.SvgCanvas#event:ext-addLangData
@@ -17672,16 +18845,19 @@ function SvgCanvas(container, config) {
   * @property {string} lang
   * @property {module:SVGEditor~ImportLocale} importLocale
   */
+
   /**
    * Called when new image is created
    * @event module:svgcanvas.SvgCanvas#event:ext-onNewDocument
    * @type {undefined}
    */
+
   /**
    * Called when sidepanel is resized or toggled
    * @event module:svgcanvas.SvgCanvas#event:ext-workareaResized
    * @type {undefined}
   */
+
   /**
    * Called upon addition of the extension, or, if svgicons are set,
    * after the icons are ready when extension SVG icons have loaded.
@@ -17696,6 +18872,8 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:ext-zoomChanged
   * @returns {undefined}
   */
+
+
   this.setZoom = function (zoomLevel) {
     var res = getResolution();
     svgcontent.setAttribute('viewBox', '0 0 ' + res.w / zoomLevel + ' ' + res.h / zoomLevel);
@@ -17704,33 +18882,37 @@ function SvgCanvas(container, config) {
       if (!elem) {
         return;
       }
+
       selectorManager.requestSelector(elem).resize();
     });
     pathActions$$1.zoomChange();
-    runExtensions('zoomChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} */zoomLevel);
+    runExtensions('zoomChanged',
+    /** @type {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} */
+    zoomLevel);
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#getMode
   * @returns {string} The current editor mode string
   */
+
+
   this.getMode = function () {
     return currentMode;
   };
-
   /**
   * Sets the editor's mode to the given string
   * @function module:svgcanvas.SvgCanvas#setMode
   * @param {string} name - String with the new mode to change to
   * @returns {undefined}
   */
+
+
   this.setMode = function (name) {
     pathActions$$1.clear(true);
     textActions.clear();
     curProperties = selectedElements[0] && selectedElements[0].nodeName === 'text' ? curText : curShape;
     currentMode = name;
   };
-
   /**
   * Group: Element Styling
   */
@@ -17745,10 +18927,11 @@ function SvgCanvas(container, config) {
   * @param {string} type
   * @returns {string|module:svgcanvas.PaintOptions|Float|module:jGraduate~Paint} The current fill/stroke option
   */
+
+
   this.getColor = function (type) {
     return curProperties[type];
   };
-
   /**
   * Change the current stroke/fill color/gradient value
   * @function module:svgcanvas.SvgCanvas#setColor
@@ -17758,18 +18941,26 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {undefined}
   */
+
+
   this.setColor = function (type, val, preventUndo) {
     curShape[type] = val;
-    curProperties[type + '_paint'] = { type: 'solidColor' };
+    curProperties[type + '_paint'] = {
+      type: 'solidColor'
+    };
     var elems = [];
+
     function addNonG(e) {
       if (e.nodeName !== 'g') {
         elems.push(e);
       }
     }
+
     var i = selectedElements.length;
+
     while (i--) {
       var elem = selectedElements[i];
+
       if (elem) {
         if (elem.tagName === 'g') {
           walkTree(elem, addNonG);
@@ -17784,6 +18975,7 @@ function SvgCanvas(container, config) {
         }
       }
     }
+
     if (elems.length > 0) {
       if (!preventUndo) {
         changeSelectedAttribute(type, val, elems);
@@ -17793,47 +18985,53 @@ function SvgCanvas(container, config) {
       }
     }
   };
-
   /**
   * Apply the current gradient to selected element's fill or stroke
   * @function module:svgcanvas.SvgCanvas#setGradient
   * @param {"fill"|"stroke"} type - String indicating "fill" or "stroke" to apply to an element
   * @returns {undefined}
   */
+
+
   var setGradient = this.setGradient = function (type) {
     if (!curProperties[type + '_paint'] || curProperties[type + '_paint'].type === 'solidColor') {
       return;
     }
-    var grad = canvas[type + 'Grad'];
-    // find out if there is a duplicate gradient already in the defs
+
+    var grad = canvas[type + 'Grad']; // find out if there is a duplicate gradient already in the defs
+
     var duplicateGrad = findDuplicateGradient(grad);
-    var defs = findDefs();
-    // no duplicate found, so import gradient into defs
+    var defs = findDefs(); // no duplicate found, so import gradient into defs
+
     if (!duplicateGrad) {
       // const origGrad = grad;
-      grad = defs.appendChild(svgdoc.importNode(grad, true));
-      // get next id and set it on the grad
+      grad = defs.appendChild(svgdoc.importNode(grad, true)); // get next id and set it on the grad
+
       grad.id = getNextId();
     } else {
       // use existing gradient
       grad = duplicateGrad;
     }
+
     canvas.setColor(type, 'url(#' + grad.id + ')');
   };
-
   /**
   * Check if exact gradient already exists
   * @function module:svgcanvas~findDuplicateGradient
   * @param {SVGGradientElement} grad - The gradient DOM element to compare to others
   * @returns {SVGGradientElement} The existing gradient if found, `null` if not
   */
+
+
   var findDuplicateGradient = function findDuplicateGradient(grad) {
     var defs = findDefs();
     var existingGrads = $$9(defs).find('linearGradient, radialGradient');
     var i = existingGrads.length;
     var radAttrs = ['r', 'cx', 'cy', 'fx', 'fy'];
+
     while (i--) {
       var og = existingGrads[i];
+
       if (grad.tagName === 'linearGradient') {
         if (grad.getAttribute('x1') !== og.getAttribute('x1') || grad.getAttribute('y1') !== og.getAttribute('y1') || grad.getAttribute('x2') !== og.getAttribute('x2') || grad.getAttribute('y2') !== og.getAttribute('y2')) {
           continue;
@@ -17842,7 +19040,6 @@ function SvgCanvas(container, config) {
         var _ret = function () {
           var gradAttrs = $$9(grad).attr(radAttrs);
           var ogAttrs = $$9(og).attr(radAttrs);
-
           var diff = false;
           $$9.each(radAttrs, function (i, attr) {
             if (gradAttrs[attr] !== ogAttrs[attr]) {
@@ -17851,14 +19048,14 @@ function SvgCanvas(container, config) {
           });
 
           if (diff) {
-            return 'continue';
+            return "continue";
           }
         }();
 
-        if (_ret === 'continue') continue;
-      }
+        if (_ret === "continue") continue;
+      } // else could be a duplicate, iterate through stops
+
 
-      // else could be a duplicate, iterate through stops
       var stops = grad.getElementsByTagNameNS(NS.SVG, 'stop');
       var ostops = og.getElementsByTagNameNS(NS.SVG, 'stop');
 
@@ -17867,6 +19064,7 @@ function SvgCanvas(container, config) {
       }
 
       var j = stops.length;
+
       while (j--) {
         var stop = stops[j];
         var ostop = ostops[j];
@@ -17881,9 +19079,9 @@ function SvgCanvas(container, config) {
       }
     } // for each gradient in defs
 
+
     return null;
   };
-
   /**
   * Set a color/gradient to a fill/stroke
   * @function module:svgcanvas.SvgCanvas#setPaint
@@ -17891,17 +19089,20 @@ function SvgCanvas(container, config) {
   * @param {module:jGraduate.jGraduatePaintOptions} paint - The jGraduate paint object to apply
   * @returns {undefined}
   */
+
+
   this.setPaint = function (type, paint) {
     // make a copy
     var p = new $$9.jGraduate.Paint(paint);
-    this.setPaintOpacity(type, p.alpha / 100, true);
+    this.setPaintOpacity(type, p.alpha / 100, true); // now set the current paint object
 
-    // now set the current paint object
     curProperties[type + '_paint'] = p;
+
     switch (p.type) {
       case 'solidColor':
         this.setColor(type, p.solidColor !== 'none' ? '#' + p.solidColor : 'none');
         break;
+
       case 'linearGradient':
       case 'radialGradient':
         canvas[type + 'Grad'] = p[p.type];
@@ -17909,33 +19110,35 @@ function SvgCanvas(container, config) {
         break;
     }
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#setStrokePaint
   * @param {module:jGraduate~Paint} paint
   * @returns {undefined}
   */
+
+
   this.setStrokePaint = function (paint) {
     this.setPaint('stroke', paint);
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#setFillPaint
   * @param {module:jGraduate~Paint} paint
   * @returns {undefined}
   */
+
+
   this.setFillPaint = function (paint) {
     this.setPaint('fill', paint);
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#getStrokeWidth
   * @returns {Float|string} The current stroke-width value
   */
+
+
   this.getStrokeWidth = function () {
     return curProperties.stroke_width;
   };
-
   /**
   * Sets the stroke width for the current selected elements.
   * When attempting to set a line's width to 0, this changes it to 1 instead
@@ -17944,22 +19147,28 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {undefined}
   */
+
+
   this.setStrokeWidth = function (val) {
     if (val === 0 && ['line', 'path'].includes(currentMode)) {
       canvas.setStrokeWidth(1);
       return;
     }
-    curProperties.stroke_width = val;
 
+    curProperties.stroke_width = val;
     var elems = [];
+
     function addNonG(e) {
       if (e.nodeName !== 'g') {
         elems.push(e);
       }
     }
+
     var i = selectedElements.length;
+
     while (i--) {
       var elem = selectedElements[i];
+
       if (elem) {
         if (elem.tagName === 'g') {
           walkTree(elem, addNonG);
@@ -17968,12 +19177,12 @@ function SvgCanvas(container, config) {
         }
       }
     }
+
     if (elems.length > 0) {
       changeSelectedAttribute('stroke-width', val, elems);
       call('changed', selectedElements);
     }
   };
-
   /**
   * Set the given stroke-related attribute the given value for selected elements
   * @function module:svgcanvas.SvgCanvas#setStrokeAttr
@@ -17982,13 +19191,16 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {undefined}
   */
+
+
   this.setStrokeAttr = function (attr, val) {
     curShape[attr.replace('-', '_')] = val;
     var elems = [];
-
     var i = selectedElements.length;
+
     while (i--) {
       var elem = selectedElements[i];
+
       if (elem) {
         if (elem.tagName === 'g') {
           walkTree(elem, function (e) {
@@ -18001,12 +19213,12 @@ function SvgCanvas(container, config) {
         }
       }
     }
+
     if (elems.length > 0) {
       changeSelectedAttribute(attr, val, elems);
       call('changed', selectedElements);
     }
   };
-
   /**
   * @typedef {PlainObject} module:svgcanvas.StyleOptions
   * @property {string} fill
@@ -18024,43 +19236,47 @@ function SvgCanvas(container, config) {
   * @function module:svgcanvas.SvgCanvas#getStyle
   * @returns {module:svgcanvas.StyleOptions} current style options
   */
+
+
   this.getStyle = function () {
     return curShape;
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#getOpacity
   * @returns {Float} the current opacity
   */
-  this.getOpacity = getOpacity;
 
+
+  this.getOpacity = getOpacity;
   /**
   * Sets the given opacity to the current selected elements
   * @function module:svgcanvas.SvgCanvas#setOpacity
   * @param {string} val
   * @returns {undefined}
   */
+
   this.setOpacity = function (val) {
     curShape.opacity = val;
     changeSelectedAttribute('opacity', val);
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#getFillOpacity
   * @returns {Float} the current fill opacity
   */
+
+
   this.getFillOpacity = function () {
     return curShape.fill_opacity;
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#getStrokeOpacity
   * @returns {string} the current stroke opacity
   */
+
+
   this.getStrokeOpacity = function () {
     return curShape.stroke_opacity;
   };
-
   /**
   * Sets the current fill/stroke opacity
   * @function module:svgcanvas.SvgCanvas#setPaintOpacity
@@ -18069,44 +19285,51 @@ function SvgCanvas(container, config) {
   * @param {boolean} preventUndo - Indicates whether or not this should be an undoable action
   * @returns {undefined}
   */
+
+
   this.setPaintOpacity = function (type, val, preventUndo) {
     curShape[type + '_opacity'] = val;
+
     if (!preventUndo) {
       changeSelectedAttribute(type + '-opacity', val);
     } else {
       changeSelectedAttributeNoUndo(type + '-opacity', val);
     }
   };
-
   /**
   * Gets the current fill/stroke opacity
   * @function module:svgcanvas.SvgCanvas#getPaintOpacity
   * @param {"fill"|"stroke"} type - String with "fill" or "stroke"
   * @returns {Float} Fill/stroke opacity
   */
+
+
   this.getPaintOpacity = function (type) {
     return type === 'fill' ? this.getFillOpacity() : this.getStrokeOpacity();
   };
-
   /**
   * Gets the `stdDeviation` blur value of the given element
   * @function module:svgcanvas.SvgCanvas#getBlur
   * @param {Element} elem - The element to check the blur value for
   * @returns {string} stdDeviation blur attribute value
   */
+
+
   this.getBlur = function (elem) {
-    var val = 0;
-    // const elem = selectedElements[0];
+    var val = 0; // const elem = selectedElements[0];
 
     if (elem) {
       var filterUrl = elem.getAttribute('filter');
+
       if (filterUrl) {
         var blur = getElem(elem.id + '_blur');
+
         if (blur) {
           val = blur.firstChild.getAttribute('stdDeviation');
         }
       }
     }
+
     return val;
   };
 
@@ -18114,18 +19337,19 @@ function SvgCanvas(container, config) {
     var curCommand = null;
     var filter = null;
     var filterHidden = false;
-
     /**
     * Sets the `stdDeviation` blur value on the selected element without being undoable
     * @function module:svgcanvas.SvgCanvas#setBlurNoUndo
     * @param {Float} val - The new `stdDeviation` value
     * @returns {undefined}
     */
+
     canvas.setBlurNoUndo = function (val) {
       if (!filter) {
         canvas.setBlur(val);
         return;
       }
+
       if (val === 0) {
         // Don't change the StdDev, as that will hide the element.
         // Instead, just remove the value for "filter"
@@ -18133,14 +19357,17 @@ function SvgCanvas(container, config) {
         filterHidden = true;
       } else {
         var elem = selectedElements[0];
+
         if (filterHidden) {
           changeSelectedAttributeNoUndo('filter', 'url(#' + elem.id + '_blur)');
         }
+
         if (isWebkit()) {
           console.log('e', elem);
           elem.removeAttribute('filter');
           elem.setAttribute('filter', 'url(#' + elem.id + '_blur)');
         }
+
         changeSelectedAttributeNoUndo('stdDeviation', val, [filter.firstChild]);
         canvas.setBlurOffsets(filter, val);
       }
@@ -18153,7 +19380,6 @@ function SvgCanvas(container, config) {
       curCommand = null;
       filter = null;
     }
-
     /**
     * Sets the `x`, `y`, `width`, `height` values of the filter element in order to
     * make the blur not be clipped. Removes them if not neeeded
@@ -18162,6 +19388,8 @@ function SvgCanvas(container, config) {
     * @param {Float} stdDev - The standard deviation value on which to base the offset size
     * @returns {undefined}
     */
+
+
     canvas.setBlurOffsets = function (filter, stdDev) {
       if (stdDev > 3) {
         // TODO: Create algorithm here where size is based on expected blur
@@ -18181,7 +19409,6 @@ function SvgCanvas(container, config) {
         }
       }
     };
-
     /**
     * Adds/updates the blur filter to the selected element
     * @function module:svgcanvas.SvgCanvas#setBlur
@@ -18189,48 +19416,48 @@ function SvgCanvas(container, config) {
     * @param {boolean} complete - Whether or not the action should be completed (to add to the undo manager)
     * @returns {undefined}
     */
+
+
     canvas.setBlur = function (val, complete) {
       if (curCommand) {
         finishChange();
         return;
-      }
+      } // Looks for associated blur, creates one if not found
+
 
-      // Looks for associated blur, creates one if not found
       var elem = selectedElements[0];
       var elemId = elem.id;
       filter = getElem(elemId + '_blur');
-
       val -= 0;
+      var batchCmd = new BatchCommand$1(); // Blur found!
 
-      var batchCmd = new BatchCommand$1();
-
-      // Blur found!
       if (filter) {
         if (val === 0) {
           filter = null;
         }
       } else {
         // Not found, so create
-        var newblur = addSVGElementFromJson({ element: 'feGaussianBlur',
+        var newblur = addSVGElementFromJson({
+          element: 'feGaussianBlur',
           attr: {
             in: 'SourceGraphic',
             stdDeviation: val
           }
         });
-
-        filter = addSVGElementFromJson({ element: 'filter',
+        filter = addSVGElementFromJson({
+          element: 'filter',
           attr: {
             id: elemId + '_blur'
           }
         });
-
         filter.append(newblur);
         findDefs().append(filter);
-
         batchCmd.addSubCommand(new InsertElementCommand$1(filter));
       }
 
-      var changes = { filter: elem.getAttribute('filter') };
+      var changes = {
+        filter: elem.getAttribute('filter')
+      };
 
       if (val === 0) {
         elem.removeAttribute('filter');
@@ -18241,162 +19468,185 @@ function SvgCanvas(container, config) {
       changeSelectedAttribute('filter', 'url(#' + elemId + '_blur)');
       batchCmd.addSubCommand(new ChangeElementCommand$1(elem, changes));
       canvas.setBlurOffsets(filter, val);
-
       curCommand = batchCmd;
       canvas.undoMgr.beginUndoableChange('stdDeviation', [filter ? filter.firstChild : null]);
+
       if (complete) {
         canvas.setBlurNoUndo(val);
         finishChange();
       }
     };
   })();
-
   /**
   * Check whether selected element is bold or not
   * @function module:svgcanvas.SvgCanvas#getBold
   * @returns {boolean} Indicates whether or not element is bold
   */
+
+
   this.getBold = function () {
     // should only have one element selected
     var selected = selectedElements[0];
+
     if (selected != null && selected.tagName === 'text' && selectedElements[1] == null) {
       return selected.getAttribute('font-weight') === 'bold';
     }
+
     return false;
   };
-
   /**
   * Make the selected element bold or normal
   * @function module:svgcanvas.SvgCanvas#setBold
   * @param {boolean} b - Indicates bold (`true`) or normal (`false`)
   * @returns {undefined}
   */
+
+
   this.setBold = function (b) {
     var selected = selectedElements[0];
+
     if (selected != null && selected.tagName === 'text' && selectedElements[1] == null) {
       changeSelectedAttribute('font-weight', b ? 'bold' : 'normal');
     }
+
     if (!selectedElements[0].textContent) {
       textActions.setCursor();
     }
   };
-
   /**
   * Check whether selected element is italic or not
   * @function module:svgcanvas.SvgCanvas#getItalic
   * @returns {boolean} Indicates whether or not element is italic
   */
+
+
   this.getItalic = function () {
     var selected = selectedElements[0];
+
     if (selected != null && selected.tagName === 'text' && selectedElements[1] == null) {
       return selected.getAttribute('font-style') === 'italic';
     }
+
     return false;
   };
-
   /**
   * Make the selected element italic or normal
   * @function module:svgcanvas.SvgCanvas#setItalic
   * @param {boolean} b - Indicates italic (`true`) or normal (`false`)
   * @returns {undefined}
   */
+
+
   this.setItalic = function (i) {
     var selected = selectedElements[0];
+
     if (selected != null && selected.tagName === 'text' && selectedElements[1] == null) {
       changeSelectedAttribute('font-style', i ? 'italic' : 'normal');
     }
+
     if (!selectedElements[0].textContent) {
       textActions.setCursor();
     }
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#getFontFamily
   * @returns {string} The current font family
   */
+
+
   this.getFontFamily = function () {
     return curText.font_family;
   };
-
   /**
   * Set the new font family
   * @function module:svgcanvas.SvgCanvas#setFontFamily
   * @param {string} val - String with the new font family
   * @returns {undefined}
   */
+
+
   this.setFontFamily = function (val) {
     curText.font_family = val;
     changeSelectedAttribute('font-family', val);
+
     if (selectedElements[0] && !selectedElements[0].textContent) {
       textActions.setCursor();
     }
   };
-
   /**
   * Set the new font color
   * @function module:svgcanvas.SvgCanvas#setFontColor
   * @param {string} val - String with the new font color
   * @returns {undefined}
   */
+
+
   this.setFontColor = function (val) {
     curText.fill = val;
     changeSelectedAttribute('fill', val);
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#getFontColor
   * @returns {string} The current font color
   */
+
+
   this.getFontColor = function () {
     return curText.fill;
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#getFontSize
   * @returns {Float} The current font size
   */
+
+
   this.getFontSize = function () {
     return curText.font_size;
   };
-
   /**
   * Applies the given font size to the selected element
   * @function module:svgcanvas.SvgCanvas#setFontSize
   * @param {Float} val - Float with the new font size
   * @returns {undefined}
   */
+
+
   this.setFontSize = function (val) {
     curText.font_size = val;
     changeSelectedAttribute('font-size', val);
+
     if (!selectedElements[0].textContent) {
       textActions.setCursor();
     }
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#getText
   * @returns {string} The current text (`textContent`) of the selected element
   */
+
+
   this.getText = function () {
     var selected = selectedElements[0];
+
     if (selected == null) {
       return '';
     }
+
     return selected.textContent;
   };
-
   /**
   * Updates the text element with the given string
   * @function module:svgcanvas.SvgCanvas#setTextContent
   * @param {string} val - String with the new text
   * @returns {undefined}
   */
+
+
   this.setTextContent = function (val) {
     changeSelectedAttribute('#text', val);
     textActions.init(val);
     textActions.setCursor();
   };
-
   /**
   * Sets the new image URL for the selected image element. Updates its size if
   * a new URL is given
@@ -18405,59 +19655,59 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {undefined}
   */
+
+
   this.setImageURL = function (val) {
     var elem = selectedElements[0];
+
     if (!elem) {
       return;
     }
 
     var attrs = $$9(elem).attr(['width', 'height']);
     var setsize = !attrs.width || !attrs.height;
+    var curHref = getHref(elem); // Do nothing if no URL change or size change
 
-    var curHref = getHref(elem);
-
-    // Do nothing if no URL change or size change
     if (curHref === val && !setsize) {
       return;
     }
 
     var batchCmd = new BatchCommand$1('Change Image URL');
-
     setHref(elem, val);
     batchCmd.addSubCommand(new ChangeElementCommand$1(elem, {
       '#href': curHref
     }));
-
     $$9(new Image()).load(function () {
       var changes = $$9(elem).attr(['width', 'height']);
-
       $$9(elem).attr({
         width: this.width,
         height: this.height
       });
-
       selectorManager.requestSelector(elem).resize();
-
       batchCmd.addSubCommand(new ChangeElementCommand$1(elem, changes));
       addCommandToHistory(batchCmd);
       call('changed', [elem]);
     }).attr('src', val);
   };
-
   /**
   * Sets the new link URL for the selected anchor element.
   * @function module:svgcanvas.SvgCanvas#setLinkURL
   * @param {string} val - String with the link URL/path
   * @returns {undefined}
   */
+
+
   this.setLinkURL = function (val) {
     var elem = selectedElements[0];
+
     if (!elem) {
       return;
     }
+
     if (elem.tagName !== 'a') {
       // See if parent is an anchor
       var parentsA = $$9(elem).parents('a');
+
       if (parentsA.length) {
         elem = parentsA[0];
       } else {
@@ -18472,15 +19722,12 @@ function SvgCanvas(container, config) {
     }
 
     var batchCmd = new BatchCommand$1('Change Link URL');
-
     setHref(elem, val);
     batchCmd.addSubCommand(new ChangeElementCommand$1(elem, {
       '#href': curHref
     }));
-
     addCommandToHistory(batchCmd);
   };
-
   /**
   * Sets the `rx` and `ry` values to the selected `rect` element to change its corner radius
   * @function module:svgcanvas.SvgCanvas#setRectRadius
@@ -18488,40 +19735,46 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {undefined}
   */
+
+
   this.setRectRadius = function (val) {
     var selected = selectedElements[0];
+
     if (selected != null && selected.tagName === 'rect') {
       var r = selected.getAttribute('rx');
+
       if (r !== String(val)) {
         selected.setAttribute('rx', val);
         selected.setAttribute('ry', val);
-        addCommandToHistory(new ChangeElementCommand$1(selected, { rx: r, ry: r }, 'Radius'));
+        addCommandToHistory(new ChangeElementCommand$1(selected, {
+          rx: r,
+          ry: r
+        }, 'Radius'));
         call('changed', [selected]);
       }
     }
   };
-
   /**
   * Wraps the selected element(s) in an anchor element or converts group to one
   * @function module:svgcanvas.SvgCanvas#makeHyperlink
   * @param {string} url
   * @returns {undefined}
   */
-  this.makeHyperlink = function (url) {
-    canvas.groupSelectedElements('a', url);
 
-    // TODO: If element is a single "g", convert to "a"
+
+  this.makeHyperlink = function (url) {
+    canvas.groupSelectedElements('a', url); // TODO: If element is a single "g", convert to "a"
     //  if (selectedElements.length > 1 && selectedElements[1]) {
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#removeHyperlink
   * @returns {undefined}
   */
+
+
   this.removeHyperlink = function () {
     canvas.ungroupSelectedElement();
   };
-
   /**
   * Group: Element manipulation
   */
@@ -18532,10 +19785,11 @@ function SvgCanvas(container, config) {
   * @param {Integer} newType - New segment type. See {@link https://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSeg} for list
   * @returns {undefined}
   */
+
+
   this.setSegType = function (newType) {
     pathActions$$1.setSegType(newType);
   };
-
   /**
   * Convert selected element to a path, or get the BBox of an element-as-path
   * @function module:svgcanvas.SvgCanvas#convertToPath
@@ -18545,6 +19799,8 @@ function SvgCanvas(container, config) {
   * @returns {undefined|DOMRect|false|SVGPathElement|null} If the getBBox flag is true, the resulting path's bounding box object.
   * Otherwise the resulting path element is returned.
   */
+
+
   this.convertToPath = function (elem, getBBox$$1) {
     if (elem == null) {
       var elems = selectedElements;
@@ -18555,11 +19811,13 @@ function SvgCanvas(container, config) {
       });
       return;
     }
+
     if (getBBox$$1) {
       return getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions$$1);
-    }
-    // TODO: Why is this applying attributes from curShape, then inside utilities.convertToPath it's pulling addition attributes from elem?
+    } // TODO: Why is this applying attributes from curShape, then inside utilities.convertToPath it's pulling addition attributes from elem?
     // TODO: If convertToPath is called with one elem, curShape and elem are probably the same; but calling with multiple is a bug or cool feature.
+
+
     var attrs = {
       fill: curShape.fill,
       'fill-opacity': curShape.fill_opacity,
@@ -18574,7 +19832,6 @@ function SvgCanvas(container, config) {
     };
     return convertToPath(elem, attrs, addSVGElementFromJson, pathActions$$1, clearSelection, addToSelection, history, addCommandToHistory);
   };
-
   /**
   * This function makes the changes to the elements. It does not add the change
   * to the history stack.
@@ -18583,11 +19840,14 @@ function SvgCanvas(container, config) {
   * @param {Element[]} elems - The DOM elements to apply the change to
   * @returns {undefined}
   */
+
+
   var changeSelectedAttributeNoUndo = function changeSelectedAttributeNoUndo(attr, newValue, elems) {
     if (currentMode === 'pathedit') {
       // Editing node
       pathActions$$1.moveNode(attr, newValue);
     }
+
     elems = elems || selectedElements;
     var i = elems.length;
     var noXYElems = ['g', 'polyline', 'path'];
@@ -18595,36 +19855,38 @@ function SvgCanvas(container, config) {
 
     var _loop = function _loop() {
       var elem = elems[i];
-      if (elem == null) {
-        return 'continue';
-      }
 
-      // Set x,y vals on elements that don't have them
+      if (elem == null) {
+        return "continue";
+      } // Set x,y vals on elements that don't have them
+
+
       if ((attr === 'x' || attr === 'y') && noXYElems.includes(elem.tagName)) {
         var bbox = getStrokedBBoxDefaultVisible([elem]);
         var diffX = attr === 'x' ? newValue - bbox.x : 0;
         var diffY = attr === 'y' ? newValue - bbox.y : 0;
         canvas.moveSelectedElements(diffX * currentZoom, diffY * currentZoom, true);
-        return 'continue';
-      }
-
-      // only allow the transform/opacity/filter attribute to change on <g> elements, slightly hacky
+        return "continue";
+      } // only allow the transform/opacity/filter attribute to change on <g> elements, slightly hacky
       // TODO: FIXME: This doesn't seem right. Where's the body of this if statement?
+
+
       if (elem.tagName === 'g' && goodGAttrs.includes(attr)) ;
+
       var oldval = attr === '#text' ? elem.textContent : elem.getAttribute(attr);
+
       if (oldval == null) {
         oldval = '';
       }
+
       if (oldval !== String(newValue)) {
         if (attr === '#text') {
           // const oldW = utilsGetBBox(elem).width;
-          elem.textContent = newValue;
+          elem.textContent = newValue; // FF bug occurs on on rotated elements
 
-          // FF bug occurs on on rotated elements
           if (/rotate/.test(elem.getAttribute('transform'))) {
             elem = ffClone(elem);
-          }
-          // Hoped to solve the issue of moving text with text-anchor="start",
+          } // Hoped to solve the issue of moving text with text-anchor="start",
           // but this doesn't actually fix it. Hopefully on the right track, though. -Fyrd
           // const box = getBBox(elem), left = box.x, top = box.y, {width, height} = box,
           //   dx = width - oldW, dy = 0;
@@ -18638,35 +19900,36 @@ function SvgCanvas(container, config) {
           //   elem.setAttribute('x', elem.getAttribute('x') - dx);
           //   elem.setAttribute('y', elem.getAttribute('y') - dy);
           // }
+
         } else if (attr === '#href') {
           setHref(elem, newValue);
         } else {
           elem.setAttribute(attr, newValue);
-        }
-
-        // Go into "select" mode for text changes
+        } // Go into "select" mode for text changes
         // NOTE: Important that this happens AFTER elem.setAttribute() or else attributes like
         // font-size can get reset to their old value, ultimately by svgEditor.updateContextPanel(),
         // after calling textActions.toSelectMode() below
+
+
         if (currentMode === 'textedit' && attr !== '#text' && elem.textContent.length) {
           textActions.toSelectMode(elem);
-        }
-
-        // if (i === 0) {
+        } // if (i === 0) {
         //   selectedBBoxes[0] = utilsGetBBox(elem);
         // }
-
         // Use the Firefox ffClone hack for text elements with gradients or
         // where other text attributes are changed.
+
+
         if (isGecko() && elem.nodeName === 'text' && /rotate/.test(elem.getAttribute('transform'))) {
           if (String(newValue).startsWith('url') || ['font-size', 'font-family', 'x', 'y'].includes(attr) && elem.textContent) {
             elem = ffClone(elem);
           }
-        }
-        // Timeout needed for Opera & Firefox
+        } // Timeout needed for Opera & Firefox
         // codedread: it is now possible for this function to be called with elements
         // that are not in the selectedElements array, we need to only request a
         // selector if the element is in that array
+
+
         if (selectedElements.includes(elem)) {
           setTimeout(function () {
             // Due to element replacement, this element may no longer
@@ -18674,21 +19937,25 @@ function SvgCanvas(container, config) {
             if (!elem.parentNode) {
               return;
             }
+
             selectorManager.requestSelector(elem).resize();
           }, 0);
-        }
-        // if this element was rotated, and we changed the position of this element
+        } // if this element was rotated, and we changed the position of this element
         // we need to update the rotational transform attribute
+
+
         var angle = getRotationAngle(elem);
+
         if (angle !== 0 && attr !== 'transform') {
           var tlist = getTransformList(elem);
           var n = tlist.numberOfItems;
+
           while (n--) {
             var xform = tlist.getItem(n);
+
             if (xform.type === 4) {
               // remove old rotate
               tlist.removeItem(n);
-
               var box = getBBox(elem);
               var center = transformPoint(box.x + box.width / 2, box.y + box.height / 2, transformListToTransform(tlist).matrix);
               var cx = center.x,
@@ -18701,15 +19968,16 @@ function SvgCanvas(container, config) {
           }
         }
       } // if oldValue != newValue
+
     };
 
     while (i--) {
       var _ret2 = _loop();
 
-      if (_ret2 === 'continue') continue;
+      if (_ret2 === "continue") continue;
     } // for each elem
-  };
 
+  };
   /**
   * Change the given/selected element and add the original value to the history stack.
   * If you want to change all `selectedElements`, ignore the `elems` argument.
@@ -18721,19 +19989,19 @@ function SvgCanvas(container, config) {
   * @param {Element[]} elems - The DOM elements to apply the change to
   * @returns {undefined}
   */
+
+
   var changeSelectedAttribute = this.changeSelectedAttribute = function (attr, val, elems) {
     elems = elems || selectedElements;
-    canvas.undoMgr.beginUndoableChange(attr, elems);
-    // const i = elems.length;
+    canvas.undoMgr.beginUndoableChange(attr, elems); // const i = elems.length;
 
     changeSelectedAttributeNoUndo(attr, val, elems);
-
     var batchCmd = canvas.undoMgr.finishUndoableChange();
+
     if (!batchCmd.isEmpty()) {
       addCommandToHistory(batchCmd);
     }
   };
-
   /**
   * Removes all selected elements from the DOM and adds the change to the
   * history stack
@@ -18741,6 +20009,8 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {undefined}
   */
+
+
   this.deleteSelectedElements = function () {
     var batchCmd = new BatchCommand$1('Delete Elements');
     var len = selectedElements.length;
@@ -18748,20 +20018,18 @@ function SvgCanvas(container, config) {
 
     for (var i = 0; i < len; ++i) {
       var selected = selectedElements[i];
+
       if (selected == null) {
         break;
       }
 
       var parent = selected.parentNode;
-      var t = selected;
+      var t = selected; // this will unselect the element and remove the selectedOutline
 
-      // this will unselect the element and remove the selectedOutline
-      selectorManager.releaseSelector(t);
+      selectorManager.releaseSelector(t); // Remove the path if present.
 
-      // Remove the path if present.
-      removePath_(t.id);
+      removePath_(t.id); // Get the parent if it's a single-child anchor
 
-      // Get the parent if it's a single-child anchor
       if (parent.tagName === 'a' && parent.childNodes.length === 1) {
         t = parent;
         parent = parent.parentNode;
@@ -18769,44 +20037,46 @@ function SvgCanvas(container, config) {
 
       var _t = t,
           nextSibling = _t.nextSibling;
-
-      var _elem2 = parent.removeChild(t);
+      var elem = parent.removeChild(t);
       selectedCopy.push(selected); // for the copy
-      batchCmd.addSubCommand(new RemoveElementCommand$1(_elem2, nextSibling, parent));
+
+      batchCmd.addSubCommand(new RemoveElementCommand$1(elem, nextSibling, parent));
     }
+
     selectedElements = [];
 
     if (!batchCmd.isEmpty()) {
       addCommandToHistory(batchCmd);
     }
+
     call('changed', selectedCopy);
     clearSelection();
   };
-
   /**
   * Removes all selected elements from the DOM and adds the change to the
   * history stack. Remembers removed elements on the clipboard
   * @function module:svgcanvas.SvgCanvas#cutSelectedElements
   * @returns {undefined}
   */
+
+
   this.cutSelectedElements = function () {
     canvas.copySelectedElements();
     canvas.deleteSelectedElements();
   };
-
   /**
   * Remembers the current selected elements on the clipboard
   * @function module:svgcanvas.SvgCanvas#copySelectedElements
   * @returns {undefined}
   */
+
+
   this.copySelectedElements = function () {
     localStorage.setItem('svgedit_clipboard', JSON.stringify(selectedElements.map(function (x) {
       return getJsonFromSvgElement(x);
     })));
-
     $$9('#cmenu_canvas').enableContextMenuItems('#paste,#paste_in_place');
   };
-
   /**
   * @function module:svgcanvas.SvgCanvas#pasteElements
   * @param {"in_place"|"point"|undefined} type
@@ -18816,35 +20086,40 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:ext-IDsUpdated
   * @returns {undefined}
   */
+
+
   this.pasteElements = function (type, x, y) {
     var clipb = JSON.parse(localStorage.getItem('svgedit_clipboard'));
     var len = clipb.length;
+
     if (!len) {
       return;
     }
 
     var pasted = [];
-    var batchCmd = new BatchCommand$1('Paste elements');
-    // const drawing = getCurrentDrawing();
+    var batchCmd = new BatchCommand$1('Paste elements'); // const drawing = getCurrentDrawing();
+
     /**
     * @typedef {PlainObject.<string, string>} module:svgcanvas.ChangedIDs
     */
+
     /**
      * @type {module:svgcanvas.ChangedIDs}
      */
-    var changedIDs = {};
 
-    // Recursively replace IDs and record the changes
+    var changedIDs = {}; // Recursively replace IDs and record the changes
+
     function checkIDs(elem) {
       if (elem.attr && elem.attr.id) {
         changedIDs[elem.attr.id] = getNextId();
         elem.attr.id = changedIDs[elem.attr.id];
       }
+
       if (elem.children) elem.children.forEach(checkIDs);
     }
-    clipb.forEach(checkIDs);
 
-    // Give extensions like the connector extension a chance to reflect new IDs and remove invalid elements
+    clipb.forEach(checkIDs); // Give extensions like the connector extension a chance to reflect new IDs and remove invalid elements
+
     /**
     * Triggered when `pasteElements` is called from a paste action (context menu or key)
     * @event module:svgcanvas.SvgCanvas#event:ext-IDsUpdated
@@ -18852,37 +20127,38 @@ function SvgCanvas(container, config) {
     * @property {module:svgcanvas.SVGAsJSON[]} elems
     * @property {module:svgcanvas.ChangedIDs} changes Maps past ID (on attribute) to current ID
     */
+
     runExtensions('IDsUpdated',
     /** @type {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} */
-    { elems: clipb, changes: changedIDs }, true).forEach(function (extChanges) {
+    {
+      elems: clipb,
+      changes: changedIDs
+    }, true).forEach(function (extChanges) {
       if (!extChanges || !('remove' in extChanges)) return;
-
       extChanges.remove.forEach(function (removeID) {
         clipb = clipb.filter(function (clipBoardItem) {
           return clipBoardItem.attr.id !== removeID;
         });
       });
-    });
+    }); // Move elements to lastClickPoint
 
-    // Move elements to lastClickPoint
     while (len--) {
-      var _elem3 = clipb[len];
-      if (!_elem3) {
+      var elem = clipb[len];
+
+      if (!elem) {
         continue;
       }
 
-      var copy = addSVGElementFromJson(_elem3);
+      var copy = addSVGElementFromJson(elem);
       pasted.push(copy);
       batchCmd.addSubCommand(new InsertElementCommand$1(copy));
-
       restoreRefElems(copy);
     }
 
     selectOnly(pasted);
 
     if (type !== 'in_place') {
-      var ctrX = void 0,
-          ctrY = void 0;
+      var ctrX, ctrY;
 
       if (!type) {
         ctrX = lastClickPoint.x;
@@ -18897,12 +20173,10 @@ function SvgCanvas(container, config) {
           cy = ctrY - (bbox.y + bbox.height / 2),
           dx = [],
           dy = [];
-
       $$9.each(pasted, function (i, item) {
         dx.push(cx);
         dy.push(cy);
       });
-
       var cmd = canvas.moveSelectedElements(dx, dy, false);
       if (cmd) batchCmd.addSubCommand(cmd);
     }
@@ -18910,7 +20184,6 @@ function SvgCanvas(container, config) {
     addCommandToHistory(batchCmd);
     call('changed', pasted);
   };
-
   /**
   * Wraps all the selected elements in a group (`g`) element
   * @function module:svgcanvas.SvgCanvas#groupSelectedElements
@@ -18918,12 +20191,15 @@ function SvgCanvas(container, config) {
   * @param {string} [urlArg]
   * @returns {undefined}
   */
+
+
   this.groupSelectedElements = function (type, urlArg) {
     if (!type) {
       type = 'g';
     }
+
     var cmdStr = '';
-    var url = void 0;
+    var url;
 
     switch (type) {
       case 'a':
@@ -18931,7 +20207,9 @@ function SvgCanvas(container, config) {
           cmdStr = 'Make hyperlink';
           url = urlArg || '';
           break;
-        }default:
+        }
+
+      default:
         {
           type = 'g';
           cmdStr = 'Group Elements';
@@ -18939,45 +20217,47 @@ function SvgCanvas(container, config) {
         }
     }
 
-    var batchCmd = new BatchCommand$1(cmdStr);
+    var batchCmd = new BatchCommand$1(cmdStr); // create and insert the group element
 
-    // create and insert the group element
     var g = addSVGElementFromJson({
       element: type,
       attr: {
         id: getNextId()
       }
     });
+
     if (type === 'a') {
       setHref(g, url);
     }
-    batchCmd.addSubCommand(new InsertElementCommand$1(g));
 
-    // now move all children into the group
+    batchCmd.addSubCommand(new InsertElementCommand$1(g)); // now move all children into the group
+
     var i = selectedElements.length;
+
     while (i--) {
-      var _elem4 = selectedElements[i];
-      if (_elem4 == null) {
+      var elem = selectedElements[i];
+
+      if (elem == null) {
         continue;
       }
 
-      if (_elem4.parentNode.tagName === 'a' && _elem4.parentNode.childNodes.length === 1) {
-        _elem4 = _elem4.parentNode;
+      if (elem.parentNode.tagName === 'a' && elem.parentNode.childNodes.length === 1) {
+        elem = elem.parentNode;
       }
 
-      var oldNextSibling = _elem4.nextSibling;
-      var oldParent = _elem4.parentNode;
-      g.append(_elem4);
-      batchCmd.addSubCommand(new MoveElementCommand$1(_elem4, oldNextSibling, oldParent));
+      var oldNextSibling = elem.nextSibling;
+      var oldParent = elem.parentNode;
+      g.append(elem);
+      batchCmd.addSubCommand(new MoveElementCommand$1(elem, oldNextSibling, oldParent));
     }
+
     if (!batchCmd.isEmpty()) {
       addCommandToHistory(batchCmd);
-    }
+    } // update selection
+
 
-    // update selection
     selectOnly([g], true);
   };
-
   /**
   * Pushes all appropriate parent group properties down to its children, then
   * removes them from the group
@@ -18986,17 +20266,15 @@ function SvgCanvas(container, config) {
   * @param {boolean} undoable
   * @returns {undefined}
   */
+
+
   var pushGroupProperties = this.pushGroupProperties = function (g, undoable) {
     var children = g.childNodes;
     var len = children.length;
     var xform = g.getAttribute('transform');
-
     var glist = getTransformList(g);
     var m = transformListToTransform(glist).matrix;
-
-    var batchCmd = new BatchCommand$1('Push group properties');
-
-    // TODO: get all fill/stroke properties from the group that we are about to destroy
+    var batchCmd = new BatchCommand$1('Push group properties'); // TODO: get all fill/stroke properties from the group that we are about to destroy
     // "fill", "fill-opacity", "fill-rule", "stroke", "stroke-dasharray", "stroke-dashoffset",
     // "stroke-linecap", "stroke-linejoin", "stroke-miterlimit", "stroke-opacity",
     // "stroke-width"
@@ -19004,40 +20282,39 @@ function SvgCanvas(container, config) {
     // then set the child's attribute
 
     var gangle = getRotationAngle(g);
-
     var gattrs = $$9(g).attr(['filter', 'opacity']);
-    var gfilter = void 0,
-        gblur = void 0,
-        changes = void 0;
+    var gfilter, gblur, changes;
     var drawing = getCurrentDrawing();
 
     for (var i = 0; i < len; i++) {
-      var _elem5 = children[i];
+      var elem = children[i];
 
-      if (_elem5.nodeType !== 1) {
+      if (elem.nodeType !== 1) {
         continue;
       }
 
       if (gattrs.opacity !== null && gattrs.opacity !== 1) {
         // const c_opac = elem.getAttribute('opacity') || 1;
-        var newOpac = Math.round((_elem5.getAttribute('opacity') || 1) * gattrs.opacity * 100) / 100;
-        changeSelectedAttribute('opacity', newOpac, [_elem5]);
+        var newOpac = Math.round((elem.getAttribute('opacity') || 1) * gattrs.opacity * 100) / 100;
+        changeSelectedAttribute('opacity', newOpac, [elem]);
       }
 
       if (gattrs.filter) {
-        var cblur = this.getBlur(_elem5);
+        var cblur = this.getBlur(elem);
         var origCblur = cblur;
+
         if (!gblur) {
           gblur = this.getBlur(g);
         }
+
         if (cblur) {
           // Is this formula correct?
           cblur = Number(gblur) + Number(cblur);
         } else if (cblur === 0) {
           cblur = gblur;
-        }
+        } // If child has no current filter, get group's filter or clone it.
+
 
-        // If child has no current filter, get group's filter or clone it.
         if (!origCblur) {
           // Set group's filter to use first child's ID
           if (!gfilter) {
@@ -19048,35 +20325,33 @@ function SvgCanvas(container, config) {
             findDefs().append(gfilter);
           }
         } else {
-          gfilter = getRefElem(_elem5.getAttribute('filter'));
-        }
+          gfilter = getRefElem(elem.getAttribute('filter'));
+        } // Change this in future for different filters
+
 
-        // Change this in future for different filters
         var suffix = gfilter.firstChild.tagName === 'feGaussianBlur' ? 'blur' : 'filter';
-        gfilter.id = _elem5.id + '_' + suffix;
-        changeSelectedAttribute('filter', 'url(#' + gfilter.id + ')', [_elem5]);
+        gfilter.id = elem.id + '_' + suffix;
+        changeSelectedAttribute('filter', 'url(#' + gfilter.id + ')', [elem]); // Update blur value
 
-        // Update blur value
         if (cblur) {
           changeSelectedAttribute('stdDeviation', cblur, [gfilter.firstChild]);
           canvas.setBlurOffsets(gfilter, cblur);
         }
       }
 
-      var chtlist = getTransformList(_elem5);
+      var chtlist = getTransformList(elem); // Don't process gradient transforms
 
-      // Don't process gradient transforms
-      if (_elem5.tagName.includes('Gradient')) {
+      if (elem.tagName.includes('Gradient')) {
         chtlist = null;
-      }
+      } // Hopefully not a problem to add this. Necessary for elements like <desc/>
+
 
-      // Hopefully not a problem to add this. Necessary for elements like <desc/>
       if (!chtlist) {
         continue;
-      }
+      } // Apparently <defs> can get get a transformlist, but we don't want it to have one!
 
-      // Apparently <defs> can get get a transformlist, but we don't want it to have one!
-      if (_elem5.tagName === 'defs') {
+
+      if (elem.tagName === 'defs') {
         continue;
       }
 
@@ -19091,35 +20366,29 @@ function SvgCanvas(container, config) {
           // sum of the group and child's rotation angles
           //  - [Tr] is the equivalent translation that this child
           // undergoes if the group wasn't there
-
           // [Tr] = [Rg] [Rc] [Rc2_inv]
-
           // get group's rotation matrix (Rg)
-          var rgm = glist.getItem(0).matrix;
+          var rgm = glist.getItem(0).matrix; // get child's rotation matrix (Rc)
 
-          // get child's rotation matrix (Rc)
           var rcm = svgroot.createSVGMatrix();
-          var cangle = getRotationAngle(_elem5);
+          var cangle = getRotationAngle(elem);
+
           if (cangle) {
             rcm = chtlist.getItem(0).matrix;
-          }
+          } // get child's old center of rotation
 
-          // get child's old center of rotation
-          var cbox = getBBox(_elem5);
+
+          var cbox = getBBox(elem);
           var ceqm = transformListToTransform(chtlist).matrix;
-          var coldc = transformPoint(cbox.x + cbox.width / 2, cbox.y + cbox.height / 2, ceqm);
+          var coldc = transformPoint(cbox.x + cbox.width / 2, cbox.y + cbox.height / 2, ceqm); // sum group and child's angles
 
-          // sum group and child's angles
-          var sangle = gangle + cangle;
+          var sangle = gangle + cangle; // get child's rotation at the old center (Rc2_inv)
 
-          // get child's rotation at the old center (Rc2_inv)
           var r2 = svgroot.createSVGTransform();
-          r2.setRotate(sangle, coldc.x, coldc.y);
+          r2.setRotate(sangle, coldc.x, coldc.y); // calculate equivalent translate
 
-          // calculate equivalent translate
-          var trm = matrixMultiply(rgm, rcm, r2.matrix.inverse());
+          var trm = matrixMultiply(rgm, rcm, r2.matrix.inverse()); // set up tlist
 
-          // set up tlist
           if (cangle) {
             chtlist.removeItem(0);
           }
@@ -19135,6 +20404,7 @@ function SvgCanvas(container, config) {
           if (trm.e || trm.f) {
             var tr = svgroot.createSVGTransform();
             tr.setTranslate(trm.e, trm.f);
+
             if (chtlist.numberOfItems) {
               chtlist.insertItemBefore(tr, 0);
             } else {
@@ -19145,28 +20415,28 @@ function SvgCanvas(container, config) {
           // more complicated than just a rotate
           // transfer the group's transform down to each child and then
           // call recalculateDimensions()
-          var oldxform = _elem5.getAttribute('transform');
+          var oldxform = elem.getAttribute('transform');
           changes = {};
           changes.transform = oldxform || '';
-
-          var newxform = svgroot.createSVGTransform();
-
-          // [ gm ] [ chm ] = [ chm ] [ gm' ]
+          var newxform = svgroot.createSVGTransform(); // [ gm ] [ chm ] = [ chm ] [ gm' ]
           // [ gm' ] = [ chmInv ] [ gm ] [ chm ]
+
           var chm = transformListToTransform(chtlist).matrix,
               chmInv = chm.inverse();
           var gm = matrixMultiply(chmInv, m, chm);
           newxform.setMatrix(gm);
           chtlist.appendItem(newxform);
         }
-        var cmd = recalculateDimensions(_elem5);
+
+        var cmd = recalculateDimensions(elem);
+
         if (cmd) {
           batchCmd.addSubCommand(cmd);
         }
       }
-    }
+    } // remove transform and make it undo-able
+
 
-    // remove transform and make it undo-able
     if (xform) {
       changes = {};
       changes.transform = xform;
@@ -19179,23 +20449,27 @@ function SvgCanvas(container, config) {
       return batchCmd;
     }
   };
-
   /**
   * Unwraps all the elements in a selected group (`g`) element. This requires
   * significant recalculations to apply group's transforms, etc. to its children
   * @function module:svgcanvas.SvgCanvas#ungroupSelectedElement
   * @returns {undefined}
   */
+
+
   this.ungroupSelectedElement = function () {
     var g = selectedElements[0];
+
     if (!g) {
       return;
     }
+
     if ($$9(g).data('gsvg') || $$9(g).data('symbol')) {
       // Is svg, so actually convert to group
       convertToGroup(g);
       return;
     }
+
     if (g.tagName === 'use') {
       // Somehow doesn't have data set, so retrieve
       var symbol = getElem(getHref(g).substr(1));
@@ -19203,15 +20477,18 @@ function SvgCanvas(container, config) {
       convertToGroup(g);
       return;
     }
+
     var parentsA = $$9(g).parents('a');
+
     if (parentsA.length) {
       g = parentsA[0];
-    }
+    } // Look for parent "a"
+
 
-    // Look for parent "a"
     if (g.tagName === 'g' || g.tagName === 'a') {
       var batchCmd = new BatchCommand$1('Ungroup Elements');
       var cmd = pushGroupProperties(g, true);
+
       if (cmd) {
         batchCmd.addSubCommand(cmd);
       }
@@ -19219,44 +20496,40 @@ function SvgCanvas(container, config) {
       var parent = g.parentNode;
       var anchor = g.nextSibling;
       var children = new Array(g.childNodes.length);
-
       var i = 0;
+
       while (g.firstChild) {
-        var _elem6 = g.firstChild;
-        var oldNextSibling = _elem6.nextSibling;
-        var oldParent = _elem6.parentNode;
+        var elem = g.firstChild;
+        var oldNextSibling = elem.nextSibling;
+        var oldParent = elem.parentNode; // Remove child title elements
 
-        // Remove child title elements
-        if (_elem6.tagName === 'title') {
-          var _elem7 = _elem6,
-              nextSibling = _elem7.nextSibling;
-
-          batchCmd.addSubCommand(new RemoveElementCommand$1(_elem6, nextSibling, oldParent));
-          _elem6.remove();
+        if (elem.tagName === 'title') {
+          var _elem2 = elem,
+              nextSibling = _elem2.nextSibling;
+          batchCmd.addSubCommand(new RemoveElementCommand$1(elem, nextSibling, oldParent));
+          elem.remove();
           continue;
         }
 
-        children[i++] = _elem6 = parent.insertBefore(_elem6, anchor);
-        batchCmd.addSubCommand(new MoveElementCommand$1(_elem6, oldNextSibling, oldParent));
-      }
+        children[i++] = elem = parent.insertBefore(elem, anchor);
+        batchCmd.addSubCommand(new MoveElementCommand$1(elem, oldNextSibling, oldParent));
+      } // remove the group from the selection
 
-      // remove the group from the selection
-      clearSelection();
 
-      // delete the group element (but make undo-able)
+      clearSelection(); // delete the group element (but make undo-able)
+
       var gNextSibling = g.nextSibling;
       g = parent.removeChild(g);
       batchCmd.addSubCommand(new RemoveElementCommand$1(g, gNextSibling, parent));
 
       if (!batchCmd.isEmpty()) {
         addCommandToHistory(batchCmd);
-      }
+      } // update selection
+
 
-      // update selection
       addToSelection(children);
     }
   };
-
   /**
   * Repositions the selected element to the bottom in the DOM to appear on top of
   * other elements
@@ -19264,25 +20537,26 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {undefined}
   */
+
+
   this.moveToTopSelectedElement = function () {
     var _selectedElements = selectedElements,
-        _selectedElements2 = slicedToArray(_selectedElements, 1),
+        _selectedElements2 = _slicedToArray(_selectedElements, 1),
         selected = _selectedElements2[0];
 
     if (selected != null) {
       var t = selected;
       var oldParent = t.parentNode;
       var oldNextSibling = t.nextSibling;
-      t = t.parentNode.appendChild(t);
-      // If the element actually moved position, add the command and fire the changed
+      t = t.parentNode.appendChild(t); // If the element actually moved position, add the command and fire the changed
       // event handler.
+
       if (oldNextSibling !== t.nextSibling) {
         addCommandToHistory(new MoveElementCommand$1(t, oldNextSibling, oldParent, 'top'));
         call('changed', [t]);
       }
     }
   };
-
   /**
   * Repositions the selected element to the top in the DOM to appear under
   * other elements
@@ -19290,9 +20564,11 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {undefined}
   */
+
+
   this.moveToBottomSelectedElement = function () {
     var _selectedElements3 = selectedElements,
-        _selectedElements4 = slicedToArray(_selectedElements3, 1),
+        _selectedElements4 = _slicedToArray(_selectedElements3, 1),
         selected = _selectedElements4[0];
 
     if (selected != null) {
@@ -19303,22 +20579,23 @@ function SvgCanvas(container, config) {
 
       if (firstChild.tagName === 'title') {
         firstChild = firstChild.nextSibling;
-      }
-      // This can probably be removed, as the defs should not ever apppear
+      } // This can probably be removed, as the defs should not ever apppear
       // inside a layer group
+
+
       if (firstChild.tagName === 'defs') {
         firstChild = firstChild.nextSibling;
       }
-      t = t.parentNode.insertBefore(t, firstChild);
-      // If the element actually moved position, add the command and fire the changed
+
+      t = t.parentNode.insertBefore(t, firstChild); // If the element actually moved position, add the command and fire the changed
       // event handler.
+
       if (oldNextSibling !== t.nextSibling) {
         addCommandToHistory(new MoveElementCommand$1(t, oldNextSibling, oldParent, 'bottom'));
         call('changed', [t]);
       }
     }
   };
-
   /**
   * Moves the select element up or down the stack, based on the visibly
   * intersecting elements
@@ -19327,17 +20604,20 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {undefined}
   */
+
+
   this.moveUpDownSelected = function (dir) {
     var selected = selectedElements[0];
+
     if (!selected) {
       return;
     }
 
     curBBoxes = [];
-    var closest = void 0,
-        foundCur = void 0;
-    // jQuery sorts this list
+    var closest, foundCur; // jQuery sorts this list
+
     var list = $$9(getIntersectionList(getStrokedBBoxDefaultVisible([selected]))).toArray();
+
     if (dir === 'Down') {
       list.reverse();
     }
@@ -19347,11 +20627,14 @@ function SvgCanvas(container, config) {
         if (this === selected) {
           foundCur = true;
         }
+
         return;
       }
+
       closest = this;
       return false;
     });
+
     if (!closest) {
       return;
     }
@@ -19359,15 +20642,14 @@ function SvgCanvas(container, config) {
     var t = selected;
     var oldParent = t.parentNode;
     var oldNextSibling = t.nextSibling;
-    $$9(closest)[dir === 'Down' ? 'before' : 'after'](t);
-    // If the element actually moved position, add the command and fire the changed
+    $$9(closest)[dir === 'Down' ? 'before' : 'after'](t); // If the element actually moved position, add the command and fire the changed
     // event handler.
+
     if (oldNextSibling !== t.nextSibling) {
       addCommandToHistory(new MoveElementCommand$1(t, oldNextSibling, oldParent, 'Move ' + dir));
       call('changed', [t]);
     }
   };
-
   /**
   * Moves selected elements on the X/Y axis
   * @function module:svgcanvas.SvgCanvas#moveSelectedElements
@@ -19377,6 +20659,8 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {BatchCommand} Batch command for the move
   */
+
+
   this.moveSelectedElements = function (dx, dy, undoable) {
     // if undoable is not sent, default to true
     // if single values, scale them to the zoom
@@ -19384,11 +20668,14 @@ function SvgCanvas(container, config) {
       dx /= currentZoom;
       dy /= currentZoom;
     }
+
     undoable = undoable || true;
     var batchCmd = new BatchCommand$1('position');
     var i = selectedElements.length;
+
     while (i--) {
       var selected = selectedElements[i];
+
       if (selected != null) {
         // if (i === 0) {
         //   selectedBBoxes[0] = utilsGetBBox(selected);
@@ -19396,11 +20683,9 @@ function SvgCanvas(container, config) {
         // const b = {};
         // for (const j in selectedBBoxes[i]) b[j] = selectedBBoxes[i][j];
         // selectedBBoxes[i] = b;
-
         var xform = svgroot.createSVGTransform();
-        var tlist = getTransformList(selected);
+        var tlist = getTransformList(selected); // dx and dy could be arrays
 
-        // dx and dy could be arrays
         if (dx.constructor === Array) {
           // if (i === 0) {
           //   selectedBBoxes[0].x += dx[0];
@@ -19422,6 +20707,7 @@ function SvgCanvas(container, config) {
         }
 
         var cmd = recalculateDimensions(selected);
+
         if (cmd) {
           batchCmd.addSubCommand(cmd);
         }
@@ -19429,15 +20715,16 @@ function SvgCanvas(container, config) {
         selectorManager.requestSelector(selected).resize();
       }
     }
+
     if (!batchCmd.isEmpty()) {
       if (undoable) {
         addCommandToHistory(batchCmd);
       }
+
       call('changed', selectedElements);
       return batchCmd;
     }
   };
-
   /**
   * Create deep DOM copies (clones) of all selected elements and move them slightly
   * from their originals
@@ -19446,29 +20733,36 @@ function SvgCanvas(container, config) {
   * @param {Float} y Float with the distance to move on the y-axis
   * @returns {undefined}
   */
+
+
   this.cloneSelectedElements = function (x, y) {
-    var i = void 0,
-        elem = void 0;
-    var batchCmd = new BatchCommand$1('Clone Elements');
-    // find all the elements selected (stop at first null)
+    var i, elem;
+    var batchCmd = new BatchCommand$1('Clone Elements'); // find all the elements selected (stop at first null)
+
     var len = selectedElements.length;
+
     function sortfunction(a, b) {
       return $$9(b).index() - $$9(a).index(); // causes an array to be sorted numerically and ascending
     }
+
     selectedElements.sort(sortfunction);
+
     for (i = 0; i < len; ++i) {
       elem = selectedElements[i];
+
       if (elem == null) {
         break;
       }
-    }
-    // use slice to quickly get the subset of elements we need
+    } // use slice to quickly get the subset of elements we need
+
+
     var copiedElements = selectedElements.slice(0, i);
-    this.clearSelection(true);
-    // note that we loop in the reverse way because of the way elements are added
+    this.clearSelection(true); // note that we loop in the reverse way because of the way elements are added
     // to the selectedElements array (top-first)
+
     var drawing = getCurrentDrawing();
     i = copiedElements.length;
+
     while (i--) {
       // clone each element and replace it within copiedElements
       elem = copiedElements[i] = drawing.copyElem(copiedElements[i]);
@@ -19478,11 +20772,11 @@ function SvgCanvas(container, config) {
 
     if (!batchCmd.isEmpty()) {
       addToSelection(copiedElements.reverse()); // Need to reverse for correct selection-adding
+
       this.moveSelectedElements(x, y, false);
       addCommandToHistory(batchCmd);
     }
   };
-
   /**
   * Aligns selected elements
   * @function module:svgcanvas.SvgCanvas#alignSelectedElements
@@ -19490,26 +20784,32 @@ function SvgCanvas(container, config) {
   * @param {"selected"|"largest"|"smallest"|"page"} relativeTo
   * @returns {undefined}
   */
+
+
   this.alignSelectedElements = function (type, relativeTo) {
     var bboxes = []; // angles = [];
+
     var len = selectedElements.length;
+
     if (!len) {
       return;
     }
+
     var minx = Number.MAX_VALUE,
         maxx = Number.MIN_VALUE,
         miny = Number.MAX_VALUE,
         maxy = Number.MIN_VALUE;
     var curwidth = Number.MIN_VALUE,
         curheight = Number.MIN_VALUE;
+
     for (var i = 0; i < len; ++i) {
       if (selectedElements[i] == null) {
         break;
       }
-      var _elem8 = selectedElements[i];
-      bboxes[i] = getStrokedBBoxDefaultVisible([_elem8]);
 
-      // now bbox is axis-aligned and handles rotation
+      var elem = selectedElements[i];
+      bboxes[i] = getStrokedBBoxDefaultVisible([elem]); // now bbox is axis-aligned and handles rotation
+
       switch (relativeTo) {
         case 'smallest':
           if ((type === 'l' || type === 'c' || type === 'r') && (curwidth === Number.MIN_VALUE || curwidth > bboxes[i].width) || (type === 't' || type === 'm' || type === 'b') && (curheight === Number.MIN_VALUE || curheight > bboxes[i].height)) {
@@ -19520,7 +20820,9 @@ function SvgCanvas(container, config) {
             curwidth = bboxes[i].width;
             curheight = bboxes[i].height;
           }
+
           break;
+
         case 'largest':
           if ((type === 'l' || type === 'c' || type === 'r') && (curwidth === Number.MIN_VALUE || curwidth < bboxes[i].width) || (type === 't' || type === 'm' || type === 'b') && (curheight === Number.MIN_VALUE || curheight < bboxes[i].height)) {
             minx = bboxes[i].x;
@@ -19530,25 +20832,32 @@ function SvgCanvas(container, config) {
             curwidth = bboxes[i].width;
             curheight = bboxes[i].height;
           }
+
           break;
+
         default:
           // 'selected'
           if (bboxes[i].x < minx) {
             minx = bboxes[i].x;
           }
+
           if (bboxes[i].y < miny) {
             miny = bboxes[i].y;
           }
+
           if (bboxes[i].x + bboxes[i].width > maxx) {
             maxx = bboxes[i].x + bboxes[i].width;
           }
+
           if (bboxes[i].y + bboxes[i].height > maxy) {
             maxy = bboxes[i].y + bboxes[i].height;
           }
+
           break;
       }
     } // loop for each element to find the bbox and adjust min/max
 
+
     if (relativeTo === 'page') {
       minx = 0;
       miny = 0;
@@ -19558,44 +20867,52 @@ function SvgCanvas(container, config) {
 
     var dx = new Array(len);
     var dy = new Array(len);
+
     for (var _i2 = 0; _i2 < len; ++_i2) {
       if (selectedElements[_i2] == null) {
         break;
-      }
-      // const elem = selectedElements[i];
+      } // const elem = selectedElements[i];
+
+
       var bbox = bboxes[_i2];
       dx[_i2] = 0;
       dy[_i2] = 0;
+
       switch (type) {
         case 'l':
           // left (horizontal)
           dx[_i2] = minx - bbox.x;
           break;
+
         case 'c':
           // center (horizontal)
           dx[_i2] = (minx + maxx) / 2 - (bbox.x + bbox.width / 2);
           break;
+
         case 'r':
           // right (horizontal)
           dx[_i2] = maxx - (bbox.x + bbox.width);
           break;
+
         case 't':
           // top (vertical)
           dy[_i2] = miny - bbox.y;
           break;
+
         case 'm':
           // middle (vertical)
           dy[_i2] = (miny + maxy) / 2 - (bbox.y + bbox.height / 2);
           break;
+
         case 'b':
           // bottom (vertical)
           dy[_i2] = maxy - (bbox.y + bbox.height);
           break;
       }
     }
+
     this.moveSelectedElements(dx, dy);
   };
-
   /**
   * Group: Additional editor tools
   */
@@ -19604,13 +20921,15 @@ function SvgCanvas(container, config) {
   * @name module:svgcanvas.SvgCanvas#contentW
   * @type {Float}
   */
+
+
   this.contentW = getResolution().w;
   /**
   * @name module:svgcanvas.SvgCanvas#contentH
   * @type {Float}
   */
-  this.contentH = getResolution().h;
 
+  this.contentH = getResolution().h;
   /**
   * @typedef {PlainObject} module:svgcanvas.CanvasInfo
   * @property {Float} x - The canvas' new x coordinate
@@ -19629,6 +20948,7 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:ext-canvasUpdated
   * @returns {module:svgcanvas.CanvasInfo}
   */
+
   this.updateCanvas = function (w, h) {
     svgroot.setAttribute('width', w);
     svgroot.setAttribute('height', h);
@@ -19637,7 +20957,6 @@ function SvgCanvas(container, config) {
     var oldY = svgcontent.getAttribute('y');
     var x = w / 2 - this.contentW * currentZoom / 2;
     var y = h / 2 - this.contentH * currentZoom / 2;
-
     assignAttributes(svgcontent, {
       width: this.contentW * currentZoom,
       height: this.contentH * currentZoom,
@@ -19645,15 +20964,14 @@ function SvgCanvas(container, config) {
       y: y,
       viewBox: '0 0 ' + this.contentW + ' ' + this.contentH
     });
-
     assignAttributes(bg, {
       width: svgcontent.getAttribute('width'),
       height: svgcontent.getAttribute('height'),
       x: x,
       y: y
     });
-
     var bgImg = getElem('background_image');
+
     if (bgImg) {
       assignAttributes(bgImg, {
         width: '100%',
@@ -19673,14 +20991,28 @@ function SvgCanvas(container, config) {
     * @property {Integer} d_x
     * @property {Integer} d_y
     */
+
     runExtensions('canvasUpdated',
     /**
      * @type {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated}
      */
-    { new_x: x, new_y: y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY });
-    return { x: x, y: y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY };
+    {
+      new_x: x,
+      new_y: y,
+      old_x: oldX,
+      old_y: oldY,
+      d_x: x - oldX,
+      d_y: y - oldY
+    });
+    return {
+      x: x,
+      y: y,
+      old_x: oldX,
+      old_y: oldY,
+      d_x: x - oldX,
+      d_y: y - oldY
+    };
   };
-
   /**
   * Set the background of the editor (NOT the actual document)
   * @function module:svgcanvas.SvgCanvas#setBackground
@@ -19688,11 +21020,14 @@ function SvgCanvas(container, config) {
   * @param {string} url - URL or path to image to use
   * @returns {undefined}
   */
+
+
   this.setBackground = function (color, url) {
     var bg = getElem('canvasBackground');
     var border = $$9(bg).find('rect')[0];
     var bgImg = getElem('background_image');
     border.setAttribute('fill', color);
+
     if (url) {
       if (!bgImg) {
         bgImg = svgdoc.createElementNS(NS.SVG, 'image');
@@ -19704,13 +21039,13 @@ function SvgCanvas(container, config) {
           style: 'pointer-events:none'
         });
       }
+
       setHref(bgImg, url);
       bg.append(bgImg);
     } else if (bgImg) {
       bgImg.remove();
     }
   };
-
   /**
   * Select the next/previous element within the current layer
   * @function module:svgcanvas.SvgCanvas#cycleElement
@@ -19718,38 +21053,45 @@ function SvgCanvas(container, config) {
   * @fires module:svgcanvas.SvgCanvas#event:selected
   * @returns {undefined}
   */
+
+
   this.cycleElement = function (next) {
-    var num = void 0;
+    var num;
     var curElem = selectedElements[0];
     var elem = false;
     var allElems = getVisibleElements(currentGroup || getCurrentDrawing().getCurrentLayer());
+
     if (!allElems.length) {
       return;
     }
+
     if (curElem == null) {
       num = next ? allElems.length - 1 : 0;
       elem = allElems[num];
     } else {
       var i = allElems.length;
+
       while (i--) {
         if (allElems[i] === curElem) {
           num = next ? i - 1 : i + 1;
+
           if (num >= allElems.length) {
             num = 0;
           } else if (num < 0) {
             num = allElems.length - 1;
           }
+
           elem = allElems[num];
           break;
         }
       }
     }
+
     selectOnly([elem], true);
     call('selected', selectedElements);
   };
 
   this.clear();
-
   /**
   * @interface module:svgcanvas.PrivateMethods
   * @type {PlainObject}
@@ -19779,6 +21121,7 @@ function SvgCanvas(container, config) {
   * @property {module:math.transformPoint} transformPoint
   * @property {module:utilities.walkTree} walkTree
   */
+
   /**
   * @deprecated getPrivateMethods
   * Since all methods are/should be public somehow, this function should be removed;
@@ -19791,6 +21134,7 @@ function SvgCanvas(container, config) {
   * @function module:svgcanvas.SvgCanvas#getPrivateMethods
   * @returns {module:svgcanvas.PrivateMethods}
   */
+
   this.getPrivateMethods = function () {
     var obj = {
       addCommandToHistory: addCommandToHistory,
@@ -19828,6 +21172,7 @@ function SvgCanvas(container, config) {
 ; // End class
 
 // Todo: Update: https://github.com/jeresig/jquery.hotkeys
+
 /*
  * jQuery Hotkeys Plugin
  * Copyright 2010, John Resig
@@ -19841,42 +21186,145 @@ function SvgCanvas(container, config) {
  * Original idea by:
  * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/
 */
-
 function jqPluginJSHotkeys (b) {
-  b.hotkeys = { version: "0.8", specialKeys: { 8: "backspace", 9: "tab", 13: "return", 16: "shift", 17: "ctrl", 18: "alt", 19: "pause", 20: "capslock", 27: "esc", 32: "space", 33: "pageup", 34: "pagedown", 35: "end", 36: "home", 37: "left", 38: "up", 39: "right", 40: "down", 45: "insert", 46: "del", 96: "0", 97: "1", 98: "2", 99: "3", 100: "4", 101: "5", 102: "6", 103: "7", 104: "8", 105: "9", 106: "*", 107: "+", 109: "-", 110: ".", 111: "/", 112: "f1", 113: "f2", 114: "f3", 115: "f4", 116: "f5", 117: "f6", 118: "f7", 119: "f8", 120: "f9", 121: "f10", 122: "f11", 123: "f12", 144: "numlock", 145: "scroll", 191: "/", 224: "meta", 219: "[", 221: "]" }, shiftNums: { "`": "~", "1": "!", "2": "@", "3": "#", "4": "$", "5": "%", "6": "^", "7": "&", "8": "*", "9": "(", "0": ")", "-": "_", "=": "+", ";": ": ", "'": '"', ",": "<", ".": ">", "/": "?", "\\": "|" } };function a(d) {
+  b.hotkeys = {
+    version: "0.8",
+    specialKeys: {
+      8: "backspace",
+      9: "tab",
+      13: "return",
+      16: "shift",
+      17: "ctrl",
+      18: "alt",
+      19: "pause",
+      20: "capslock",
+      27: "esc",
+      32: "space",
+      33: "pageup",
+      34: "pagedown",
+      35: "end",
+      36: "home",
+      37: "left",
+      38: "up",
+      39: "right",
+      40: "down",
+      45: "insert",
+      46: "del",
+      96: "0",
+      97: "1",
+      98: "2",
+      99: "3",
+      100: "4",
+      101: "5",
+      102: "6",
+      103: "7",
+      104: "8",
+      105: "9",
+      106: "*",
+      107: "+",
+      109: "-",
+      110: ".",
+      111: "/",
+      112: "f1",
+      113: "f2",
+      114: "f3",
+      115: "f4",
+      116: "f5",
+      117: "f6",
+      118: "f7",
+      119: "f8",
+      120: "f9",
+      121: "f10",
+      122: "f11",
+      123: "f12",
+      144: "numlock",
+      145: "scroll",
+      191: "/",
+      224: "meta",
+      219: "[",
+      221: "]"
+    },
+    shiftNums: {
+      "`": "~",
+      "1": "!",
+      "2": "@",
+      "3": "#",
+      "4": "$",
+      "5": "%",
+      "6": "^",
+      "7": "&",
+      "8": "*",
+      "9": "(",
+      "0": ")",
+      "-": "_",
+      "=": "+",
+      ";": ": ",
+      "'": '"',
+      ",": "<",
+      ".": ">",
+      "/": "?",
+      "\\": "|"
+    }
+  };
+
+  function a(d) {
     if (typeof d.data !== "string") {
       return;
-    }var c = d.handler,
-        e = d.data.toLowerCase().split(" ");d.handler = function (n) {
+    }
+
+    var c = d.handler,
+        e = d.data.toLowerCase().split(" ");
+
+    d.handler = function (n) {
       if (this !== n.target && (/textarea|select/i.test(n.target.nodeName) || n.target.type === "text")) {
         return;
-      }var h = n.type !== "keypress" && b.hotkeys.specialKeys[n.which],
+      }
+
+      var h = n.type !== "keypress" && b.hotkeys.specialKeys[n.which],
           o = String.fromCharCode(n.which).toLowerCase(),
           m = "",
-          g = {};if (n.altKey && h !== "alt") {
+          g = {};
+
+      if (n.altKey && h !== "alt") {
         m += "alt+";
-      }if (n.ctrlKey && h !== "ctrl") {
+      }
+
+      if (n.ctrlKey && h !== "ctrl") {
         m += "ctrl+";
-      }if (n.metaKey && !n.ctrlKey && h !== "meta") {
+      }
+
+      if (n.metaKey && !n.ctrlKey && h !== "meta") {
         m += "meta+";
-      }if (n.shiftKey && h !== "shift") {
+      }
+
+      if (n.shiftKey && h !== "shift") {
         m += "shift+";
-      }if (h) {
+      }
+
+      if (h) {
         g[m + h] = true;
       } else {
-        g[m + o] = true;g[m + b.hotkeys.shiftNums[o]] = true;if (m === "shift+") {
+        g[m + o] = true;
+        g[m + b.hotkeys.shiftNums[o]] = true;
+
+        if (m === "shift+") {
           g[b.hotkeys.shiftNums[o]] = true;
         }
-      }for (var j = 0, f = e.length; j < f; j++) {
+      }
+
+      for (var j = 0, f = e.length; j < f; j++) {
         if (g[e[j]]) {
           return c.apply(this, arguments);
         }
       }
     };
-  }b.each(["keydown", "keyup", "keypress"], function () {
-    b.event.special[this] = { add: a };
-  });
+  }
 
+  b.each(["keydown", "keyup", "keypress"], function () {
+    b.event.special[this] = {
+      add: a
+    };
+  });
   return b;
 }
 
@@ -19889,10 +21337,8 @@ function jqPluginJSHotkeys (b) {
  * Dual licensed under the MIT and GPL licenses.
  * http://benalman.com/about/license/
  */
-
 // For sake of modules, added this wrapping export and changed `this` to `window`
 function jqPluginBBQ (jQuery) {
-
   (function ($, p) {
     var i,
         m = Array.prototype.slice,
@@ -19916,49 +21362,101 @@ function jqPluginBBQ (jQuery) {
         x = /^.*\?|#.*$/g,
         w = /^.*\#/,
         h,
-        C = {};function E(F) {
+        C = {};
+
+    function E(F) {
       return typeof F === "string";
-    }function B(G) {
-      var F = m.call(arguments, 1);return function () {
+    }
+
+    function B(G) {
+      var F = m.call(arguments, 1);
+      return function () {
         return G.apply(this, F.concat(m.call(arguments)));
       };
-    }function n(F) {
+    }
+
+    function n(F) {
       return F.replace(/^[^#]*#?(.*)$/, "$1");
-    }function o(F) {
+    }
+
+    function o(F) {
       return F.replace(/(?:^[^?#]*\?([^#]*).*$)?.*/, "$1");
-    }function f(H, M, F, I, G) {
-      var O, L, K, N, J;if (I !== i) {
-        K = F.match(H ? /^([^#]*)\#?(.*)$/ : /^([^#?]*)\??([^#]*)(#?.*)/);J = K[3] || "";if (G === 2 && E(I)) {
+    }
+
+    function f(H, M, F, I, G) {
+      var O, L, K, N, J;
+
+      if (I !== i) {
+        K = F.match(H ? /^([^#]*)\#?(.*)$/ : /^([^#?]*)\??([^#]*)(#?.*)/);
+        J = K[3] || "";
+
+        if (G === 2 && E(I)) {
           L = I.replace(H ? w : x, "");
         } else {
-          N = l(K[2]);I = E(I) ? l[H ? D : A](I) : I;L = G === 2 ? I : G === 1 ? $.extend({}, I, N) : $.extend({}, N, I);L = a(L);if (H) {
+          N = l(K[2]);
+          I = E(I) ? l[H ? D : A](I) : I;
+          L = G === 2 ? I : G === 1 ? $.extend({}, I, N) : $.extend({}, N, I);
+          L = a(L);
+
+          if (H) {
             L = L.replace(h, r);
           }
-        }O = K[1] + (H ? "#" : L || !K[1] ? "?" : "") + L + J;
+        }
+
+        O = K[1] + (H ? "#" : L || !K[1] ? "?" : "") + L + J;
       } else {
         O = M(F !== i ? F : p[g][k]);
-      }return O;
-    }a[A] = B(f, 0, o);a[D] = c = B(f, 1, n);c.noEscape = function (G) {
-      G = G || "";var F = $.map(G.split(""), encodeURIComponent);h = new RegExp(F.join("|"), "g");
-    };c.noEscape(",/");$.deparam = l = function l(I, F) {
+      }
+
+      return O;
+    }
+
+    a[A] = B(f, 0, o);
+    a[D] = c = B(f, 1, n);
+
+    c.noEscape = function (G) {
+      G = G || "";
+      var F = $.map(G.split(""), encodeURIComponent);
+      h = new RegExp(F.join("|"), "g");
+    };
+
+    c.noEscape(",/");
+
+    $.deparam = l = function l(I, F) {
       var H = {},
-          G = { "true": !0, "false": !1, "null": null };$.each(I.replace(/\+/g, " ").split("&"), function (L, Q) {
+          G = {
+        "true": !0,
+        "false": !1,
+        "null": null
+      };
+      $.each(I.replace(/\+/g, " ").split("&"), function (L, Q) {
         var K = Q.split("="),
             P = r(K[0]),
             J,
             O = H,
             M = 0,
             R = P.split("]["),
-            N = R.length - 1;if (/\[/.test(R[0]) && /\]$/.test(R[N])) {
-          R[N] = R[N].replace(/\]$/, "");R = R.shift().split("[").concat(R);N = R.length - 1;
+            N = R.length - 1;
+
+        if (/\[/.test(R[0]) && /\]$/.test(R[N])) {
+          R[N] = R[N].replace(/\]$/, "");
+          R = R.shift().split("[").concat(R);
+          N = R.length - 1;
         } else {
           N = 0;
-        }if (K.length === 2) {
-          J = r(K[1]);if (F) {
+        }
+
+        if (K.length === 2) {
+          J = r(K[1]);
+
+          if (F) {
             J = J && !isNaN(J) ? +J : J === "undefined" ? i : G[J] !== i ? G[J] : J;
-          }if (N) {
+          }
+
+          if (N) {
             for (; M <= N; M++) {
-              P = R[M] === "" ? O.length : R[M];O = O[P] = M < N ? O[P] || (R[M + 1] && isNaN(R[M + 1]) ? {} : []) : J;
+              P = R[M] === "" ? O.length : R[M];
+              O = O[P] = M < N ? O[P] || (R[M + 1] && isNaN(R[M + 1]) ? {} : []) : J;
             }
           } else {
             if ($.isArray(H[P])) {
@@ -19976,47 +21474,105 @@ function jqPluginBBQ (jQuery) {
             H[P] = F ? i : "";
           }
         }
-      });return H;
-    };function z(H, F, G) {
+      });
+      return H;
+    };
+
+    function z(H, F, G) {
       if (F === i || typeof F === "boolean") {
-        G = F;F = a[H ? D : A]();
+        G = F;
+        F = a[H ? D : A]();
       } else {
         F = E(F) ? F.replace(H ? w : x, "") : F;
-      }return l(F, G);
-    }l[A] = B(z, 0);l[D] = v = B(z, 1);$[y] || ($[y] = function (F) {
+      }
+
+      return l(F, G);
+    }
+
+    l[A] = B(z, 0);
+    l[D] = v = B(z, 1);
+    $[y] || ($[y] = function (F) {
       return $.extend(C, F);
-    })({ a: k, base: k, iframe: t, img: t, input: t, form: "action", link: k, script: t });j = $[y];function s(I, G, H, F) {
-      if (!E(H) && (typeof H === "undefined" ? "undefined" : _typeof(H)) !== "object") {
-        F = H;H = G;G = i;
-      }return this.each(function () {
+    })({
+      a: k,
+      base: k,
+      iframe: t,
+      img: t,
+      input: t,
+      form: "action",
+      link: k,
+      script: t
+    });
+    j = $[y];
+
+    function s(I, G, H, F) {
+      if (!E(H) && _typeof(H) !== "object") {
+        F = H;
+        H = G;
+        G = i;
+      }
+
+      return this.each(function () {
         var L = $(this),
             J = G || j()[(this.nodeName || "").toLowerCase()] || "",
-            K = J && L.attr(J) || "";L.attr(J, a[I](K, H, F));
+            K = J && L.attr(J) || "";
+        L.attr(J, a[I](K, H, F));
       });
-    }$.fn[A] = B(s, A);$.fn[D] = B(s, D);b.pushState = q = function q(I, F) {
+    }
+
+    $.fn[A] = B(s, A);
+    $.fn[D] = B(s, D);
+
+    b.pushState = q = function q(I, F) {
       if (E(I) && /^#/.test(I) && F === i) {
         F = 2;
-      }var H = I !== i,
-          G = c(p[g][k], H ? I : {}, H ? F : 2);p[g][k] = G + (/#/.test(G) ? "" : "#");
-    };b.getState = u = function u(F, G) {
+      }
+
+      var H = I !== i,
+          G = c(p[g][k], H ? I : {}, H ? F : 2);
+      p[g][k] = G + (/#/.test(G) ? "" : "#");
+    };
+
+    b.getState = u = function u(F, G) {
       return F === i || typeof F === "boolean" ? v(F) : v(G)[F];
-    };b.removeState = function (F) {
-      var G = {};if (F !== i) {
-        G = u();$.each($.isArray(F) ? F : arguments, function (I, H) {
+    };
+
+    b.removeState = function (F) {
+      var G = {};
+
+      if (F !== i) {
+        G = u();
+        $.each($.isArray(F) ? F : arguments, function (I, H) {
           delete G[H];
         });
-      }q(G, 2);
-    };e[d] = $.extend(e[d], { add: function add(F) {
-        var H;function G(J) {
-          var I = J[D] = c();J.getState = function (K, L) {
+      }
+
+      q(G, 2);
+    };
+
+    e[d] = $.extend(e[d], {
+      add: function add(F) {
+        var H;
+
+        function G(J) {
+          var I = J[D] = c();
+
+          J.getState = function (K, L) {
             return K === i || typeof K === "boolean" ? l(I, K) : l(I, L)[K];
-          };H.apply(this, arguments);
-        }if ($.isFunction(F)) {
-          H = F;return G;
-        } else {
-          H = F.handler;F.handler = G;
+          };
+
+          H.apply(this, arguments);
         }
-      } });
+
+        if ($.isFunction(F)) {
+          H = F;
+          return G;
+        } else {
+          H = F.handler;
+          F.handler = G;
+        }
+      }
+    });
   })(jQuery, window);
   /*
    * jQuery hashchange event - v1.2 - 2/11/2010
@@ -20026,6 +21582,8 @@ function jqPluginBBQ (jQuery) {
    * Dual licensed under the MIT and GPL licenses.
    * http://benalman.com/about/license/
    */
+
+
   (function ($, i, b) {
     var j,
         k = $.event.special,
@@ -20035,51 +21593,95 @@ function jqPluginBBQ (jQuery) {
         f = $.browser,
         g = document.documentMode,
         h = f.msie && (g === b || g < 8),
-        e = "on" + d in i && !h;function a(m) {
-      m = m || i[c][l];return m.replace(/^[^#]*#?(.*)$/, "$1");
-    }$[d + "Delay"] = 100;k[d] = $.extend(k[d], { setup: function setup() {
+        e = "on" + d in i && !h;
+
+    function a(m) {
+      m = m || i[c][l];
+      return m.replace(/^[^#]*#?(.*)$/, "$1");
+    }
+
+    $[d + "Delay"] = 100;
+    k[d] = $.extend(k[d], {
+      setup: function setup() {
         if (e) {
           return false;
-        }$(j.start);
-      }, teardown: function teardown() {
+        }
+
+        $(j.start);
+      },
+      teardown: function teardown() {
         if (e) {
           return false;
-        }$(j.stop);
-      } });j = function () {
+        }
+
+        $(j.stop);
+      }
+    });
+
+    j = function () {
       var m = {},
           r,
           n,
           o,
-          q;function p() {
+          q;
+
+      function p() {
         o = q = function q(s) {
           return s;
-        };if (h) {
-          n = $('<iframe src="javascript:0"/>').hide().insertAfter("body")[0].contentWindow;q = function q() {
+        };
+
+        if (h) {
+          n = $('<iframe src="javascript:0"/>').hide().insertAfter("body")[0].contentWindow;
+
+          q = function q() {
             return a(n.document[c][l]);
-          };o = function o(u, s) {
+          };
+
+          o = function o(u, s) {
             if (u !== s) {
-              var t = n.document;t.open().close();t[c].hash = "#" + u;
+              var t = n.document;
+              t.open().close();
+              t[c].hash = "#" + u;
             }
-          };o(a());
+          };
+
+          o(a());
         }
-      }m.start = function () {
+      }
+
+      m.start = function () {
         if (r) {
           return;
-        }var t = a();o || p();(function s() {
+        }
+
+        var t = a();
+        o || p();
+
+        (function s() {
           var v = a(),
-              u = q(t);if (v !== t) {
-            o(t = v, u);$(i).trigger(d);
+              u = q(t);
+
+          if (v !== t) {
+            o(t = v, u);
+            $(i).trigger(d);
           } else {
             if (u !== t) {
               i[c][l] = i[c][l].replace(/#.*/, "") + "#" + u;
             }
-          }r = setTimeout(s, $[d + "Delay"]);
+          }
+
+          r = setTimeout(s, $[d + "Delay"]);
         })();
-      };m.stop = function () {
+      };
+
+      m.stop = function () {
         if (!n) {
-          r && clearTimeout(r);r = 0;
+          r && clearTimeout(r);
+          r = 0;
         }
-      };return m;
+      };
+
+      return m;
     }();
   })(jQuery, window);
 
@@ -20185,8 +21787,7 @@ $(function() {
 */
 function jqPluginSVGIcons ($) {
   var svgIcons = {};
-
-  var fixIDs = void 0;
+  var fixIDs;
   /**
   * @function external:jQuery.svgIcons
   * @param {string} file The location of a local SVG or SVGz file
@@ -20212,28 +21813,28 @@ function jqPluginSVGIcons ($) {
     parse as XML. SVGZ files add compression benefits, but getting data from
     them fails in Firefox 2 and older.
   */
+
   $.svgIcons = function (file) {
     var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
-
     var svgns = 'http://www.w3.org/2000/svg',
         xlinkns = 'http://www.w3.org/1999/xlink',
         iconW = opts.w || 24,
         iconH = opts.h || 24;
-    var elems = void 0,
-        svgdoc = void 0,
-        testImg = void 0,
+    var elems,
+        svgdoc,
+        testImg,
         iconsMade = false,
         dataLoaded = false,
         loadAttempts = 0;
     var isOpera = !!window.opera,
-
-    // ua = navigator.userAgent,
+        // ua = navigator.userAgent,
     // isSafari = (ua.includes('Safari/') && !ua.includes('Chrome/')),
     dataPre = 'data:image/svg+xml;charset=utf-8;base64,';
+    var dataEl;
 
-    var dataEl = void 0;
     if (opts.svgz) {
       dataEl = $('<object data="' + file + '" type=image/svg+xml>').appendTo('body').hide();
+
       try {
         svgdoc = dataEl[0].contentDocument;
         dataEl.load(getIcons);
@@ -20251,6 +21852,7 @@ function jqPluginSVGIcons ($) {
             $(useFallback);
             return;
           }
+
           svgdoc = parser.parseFromString(data, 'text/xml');
           $(function () {
             getIcons('ajax');
@@ -20269,6 +21871,7 @@ function jqPluginSVGIcons ($) {
               if (!svgdoc.childNodes.length) {
                 $(useFallback);
               }
+
               $(function () {
                 getIcons('ajax');
               });
@@ -20282,22 +21885,27 @@ function jqPluginSVGIcons ($) {
 
     function getIcons(evt, noWait) {
       if (evt !== 'ajax') {
-        if (dataLoaded) return;
-        // Webkit sometimes says svgdoc is undefined, other times
+        if (dataLoaded) return; // Webkit sometimes says svgdoc is undefined, other times
         // it fails to load all nodes. Thus we must make sure the "eof"
         // element is loaded.
+
         svgdoc = dataEl[0].contentDocument; // Needed again for Webkit
+
         var isReady = svgdoc && svgdoc.getElementById('svg_eof');
+
         if (!isReady && !(noWait && isReady)) {
           loadAttempts++;
+
           if (loadAttempts < 50) {
             setTimeout(getIcons, 20);
           } else {
             useFallback();
             dataLoaded = true;
           }
+
           return;
         }
+
         dataLoaded = true;
       }
 
@@ -20305,7 +21913,6 @@ function jqPluginSVGIcons ($) {
 
       if (!opts.no_img) {
         var testSrc = dataPre + 'PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNzUiIGhlaWdodD0iMjc1Ij48L3N2Zz4%3D';
-
         testImg = $(new Image()).attr({
           src: testSrc,
           width: 0,
@@ -20325,6 +21932,7 @@ function jqPluginSVGIcons ($) {
 
     function setIcon(target, icon, id, setID) {
       if (isOpera) icon.css('visibility', 'hidden');
+
       if (opts.replace) {
         if (setID) icon.attr('id', id);
         var cl = target.attr('class');
@@ -20333,6 +21941,7 @@ function jqPluginSVGIcons ($) {
       } else {
         target.append(icon);
       }
+
       if (isOpera) {
         setTimeout(function () {
           icon.removeAttr('style');
@@ -20340,23 +21949,26 @@ function jqPluginSVGIcons ($) {
       }
     }
 
-    var holder = void 0;
+    var holder;
+
     function addIcon(icon, id) {
       if (opts.id_match === undefined || opts.id_match !== false) {
         setIcon(holder, icon, id, true);
       }
+
       svgIcons[id] = icon;
     }
 
     function makeIcons(toImage, fallback) {
       if (iconsMade) return;
       if (opts.no_img) toImage = false;
+      var tempHolder;
 
-      var tempHolder = void 0;
       if (toImage) {
         tempHolder = $(document.createElement('div'));
         tempHolder.hide().appendTo('body');
       }
+
       if (fallback) {
         var path = opts.fallback_path || '';
         $.each(fallback, function (id, imgsrc) {
@@ -20368,56 +21980,55 @@ function jqPluginSVGIcons ($) {
             height: iconH,
             alt: 'icon'
           });
-
           addIcon(icon, id);
         });
       } else {
         var len = elems.length;
+
         for (var i = 0; i < len; i++) {
           var elem = elems[i];
           var id = elem.id;
-
           if (id === 'svg_eof') break;
           holder = $('#' + id);
-          var svgroot = document.createElementNS(svgns, 'svg');
-          // Per https://www.w3.org/TR/xml-names11/#defaulting, the namespace for
+          var svgroot = document.createElementNS(svgns, 'svg'); // Per https://www.w3.org/TR/xml-names11/#defaulting, the namespace for
           // attributes should have no value.
+
           svgroot.setAttributeNS(null, 'viewBox', [0, 0, iconW, iconH].join(' '));
+          var svg = elem.getElementsByTagNameNS(svgns, 'svg')[0]; // Make flexible by converting width/height to viewBox
 
-          var svg = elem.getElementsByTagNameNS(svgns, 'svg')[0];
-
-          // Make flexible by converting width/height to viewBox
           var w = svg.getAttribute('width');
           var h = svg.getAttribute('height');
           svg.removeAttribute('width');
           svg.removeAttribute('height');
-
           var vb = svg.getAttribute('viewBox');
+
           if (!vb) {
             svg.setAttribute('viewBox', [0, 0, w, h].join(' '));
-          }
+          } // Not using jQuery to be a bit faster
+
 
-          // Not using jQuery to be a bit faster
           svgroot.setAttribute('xmlns', svgns);
           svgroot.setAttribute('width', iconW);
           svgroot.setAttribute('height', iconH);
           svgroot.setAttribute('xmlns:xlink', xlinkns);
-          svgroot.setAttribute('class', 'svg_icon');
-
-          // Without cloning, Firefox will make another GET request.
+          svgroot.setAttribute('class', 'svg_icon'); // Without cloning, Firefox will make another GET request.
           // With cloning, causes issue in Opera/Win/Non-EN
+
           if (!isOpera) svg = svg.cloneNode(true);
-
           svgroot.append(svg);
-
           var icon = void 0;
+
           if (toImage) {
             tempHolder.empty().append(svgroot);
             var str = dataPre + encode64(unescape(encodeURIComponent(new XMLSerializer().serializeToString(svgroot))));
-            icon = $(new Image()).attr({ class: 'svg_icon', src: str });
+            icon = $(new Image()).attr({
+              class: 'svg_icon',
+              src: str
+            });
           } else {
             icon = fixIDs($(svgroot), i);
           }
+
           addIcon(icon, id);
         }
       }
@@ -20432,22 +22043,23 @@ function jqPluginSVGIcons ($) {
           });
         });
       }
+
       if (!fallback) {
         if (toImage) tempHolder.remove();
         if (dataEl) dataEl.remove();
         if (testImg) testImg.remove();
       }
+
       if (opts.resize) $.resizeSvgIcons(opts.resize);
       iconsMade = true;
-
       if (opts.callback) opts.callback(svgIcons);
     }
 
     fixIDs = function fixIDs(svgEl, svgNum, force) {
       var defs = svgEl.find('defs');
       if (!defs.length) return svgEl;
+      var idElems;
 
-      var idElems = void 0;
       if (isOpera) {
         idElems = defs.find('*').filter(function () {
           return !!this.id;
@@ -20458,7 +22070,6 @@ function jqPluginSVGIcons ($) {
 
       var allElems = svgEl[0].getElementsByTagName('*'),
           len = allElems.length;
-
       idElems.each(function (i) {
         var id = this.id;
         /*
@@ -20469,11 +22080,8 @@ function jqPluginSVGIcons ($) {
 
         var newId = 'x' + id + svgNum + i;
         this.id = newId;
-
         var oldVal = 'url(#' + id + ')';
-        var newVal = 'url(#' + newId + ')';
-
-        // Selector method, possibly faster but fails in Opera / jQuery 1.4.3
+        var newVal = 'url(#' + newId + ')'; // Selector method, possibly faster but fails in Opera / jQuery 1.4.3
         //  svgEl.find('[fill="url(#' + id + ')"]').each(function() {
         //    this.setAttribute('fill', 'url(#' + newId + ')');
         //  }).end().find('[stroke="url(#' + id + ')"]').each(function() {
@@ -20488,12 +22096,15 @@ function jqPluginSVGIcons ($) {
 
         for (i = 0; i < len; i++) {
           var elem = allElems[i];
+
           if (elem.getAttribute('fill') === oldVal) {
             elem.setAttribute('fill', newVal);
           }
+
           if (elem.getAttribute('stroke') === oldVal) {
             elem.setAttribute('stroke', newVal);
           }
+
           if (elem.getAttribute('filter') === oldVal) {
             elem.setAttribute('filter', newVal);
           }
@@ -20505,9 +22116,11 @@ function jqPluginSVGIcons ($) {
     function useFallback() {
       if (file.includes('.svgz')) {
         var regFile = file.replace('.svgz', '.svg');
+
         if (window.console) {
           console.log('.svgz failed, trying with .svg');
         }
+
         $.svgIcons(regFile, opts);
       } else if (opts.fallback) {
         makeIcons(false, opts.fallback);
@@ -20519,19 +22132,18 @@ function jqPluginSVGIcons ($) {
       if (window.btoa) return window.btoa(input);
       var _keyStr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
       var output = new Array(Math.floor((input.length + 2) / 3) * 4);
-
       var i = 0,
           p = 0;
+
       do {
         var chr1 = input.charCodeAt(i++);
         var chr2 = input.charCodeAt(i++);
         var chr3 = input.charCodeAt(i++);
-
         var enc1 = chr1 >> 2;
         var enc2 = (chr1 & 3) << 4 | chr2 >> 4;
-
         var enc3 = (chr2 & 15) << 2 | chr3 >> 6;
         var enc4 = chr3 & 63;
+
         if (isNaN(chr2)) {
           enc3 = enc4 = 64;
         } else if (isNaN(chr3)) {
@@ -20547,21 +22159,23 @@ function jqPluginSVGIcons ($) {
       return output.join('');
     }
   };
-
   /**
   * @function external:jQuery.getSvgIcon
   * @param {string} id
   * @param {boolean} uniqueClone Whether to clone
   * @returns {external:jQuery} The icon (optionally cloned)
   */
+
+
   $.getSvgIcon = function (id, uniqueClone) {
     var icon = svgIcons[id];
+
     if (uniqueClone && icon) {
       icon = fixIDs(icon, 0, true).clone(true);
     }
+
     return icon;
   };
-
   /**
   * @typedef {GenericArray} module:jQuerySVGIcons.Dimensions
   * @property {Integer} length 2
@@ -20579,6 +22193,8 @@ function jqPluginSVGIcons ($) {
   * @param {PlainObject.<string, module:jQuerySVGIcons.Size>} obj Object with selectors as keys. The values are sizes.
   * @returns {undefined}
   */
+
+
   $.resizeSvgIcons = function (obj) {
     // FF2 and older don't detect .svg_icon, so we change it detect svg elems instead
     var changeSel = !$('.svg_icon:first').length;
@@ -20586,12 +22202,15 @@ function jqPluginSVGIcons ($) {
       var arr = Array.isArray(size);
       var w = arr ? size[0] : size,
           h = arr ? size[1] : size;
+
       if (changeSel) {
         sel = sel.replace(/\.svg_icon/g, 'svg');
       }
+
       $(sel).each(function () {
         this.setAttribute('width', w);
         this.setAttribute('height', h);
+
         if (window.opera && window.widget) {
           this.parentNode.style.width = w + 'px';
           this.parentNode.style.height = h + 'px';
@@ -20599,6 +22218,7 @@ function jqPluginSVGIcons ($) {
       });
     });
   };
+
   return $;
 }
 
@@ -20626,13 +22246,13 @@ function jqPluginSVGIcons ($) {
   * The jQuery namespace.
   * @external jQuery
 */
+
 /**
  * The jQuery plugin namespace.
  * @namespace {PlainObject} fn
  * @memberof external:jQuery
  * @see {@link http://learn.jquery.com/plugins/|jQuery Plugins}
  */
-
 var ns = {
   svg: 'http://www.w3.org/2000/svg',
   xlink: 'http://www.w3.org/1999/xlink'
@@ -20644,22 +22264,24 @@ if (!window.console) {
     dir: function dir(str) {}
   };
 }
-
 /**
 * Adds {@link external:jQuery.jGraduate.Paint}, {@link external:jQuery.fn.jGraduateDefaults}, {@link external:jQuery.fn.jGraduate}
 * @function module:jGraduate.jGraduate
 * @param {external:jQuery} $ The jQuery instance to wrap
 * @returns {external:jQuery}
 */
+
+
 function jqPluginJGraduate ($) {
   if (!$.loadingStylesheets) {
     $.loadingStylesheets = [];
   }
+
   var stylesheet = 'jgraduate/css/jGraduate.css';
+
   if (!$.loadingStylesheets.includes(stylesheet)) {
     $.loadingStylesheets.push(stylesheet);
   }
-
   /**
   * @typedef {PlainObject} module:jGraduate.jGraduatePaintOptions
   * @param {Float} [alpha]
@@ -20673,16 +22295,17 @@ function jqPluginJGraduate ($) {
   * @memberof module:jGraduate~
   */
 
+
   var Paint =
   /**
    * @param {module:jGraduate.jGraduatePaintOptions} [opt]
   */
   function Paint(opt) {
-    classCallCheck(this, Paint);
+    _classCallCheck(this, Paint);
 
     var options = opt || {};
-    this.alpha = isNaN(options.alpha) ? 100 : options.alpha;
-    // copy paint object
+    this.alpha = isNaN(options.alpha) ? 100 : options.alpha; // copy paint object
+
     if (options.copy) {
       /**
        * @name module:jGraduate~Paint#type
@@ -20694,54 +22317,58 @@ function jqPluginJGraduate ($) {
        * @name module:jGraduate~Paint#alpha
        * @type {Float}
        */
+
       this.alpha = options.copy.alpha;
       /**
        * Represents #RRGGBB hex of color
        * @name module:jGraduate~Paint#solidColor
        * @type {string}
        */
+
       this.solidColor = null;
       /**
        * @name module:jGraduate~Paint#linearGradient
        * @type {SVGLinearGradientElement}
        */
+
       this.linearGradient = null;
       /**
        * @name module:jGraduate~Paint#radialGradient
        * @type {SVGRadialGradientElement}
        */
+
       this.radialGradient = null;
 
       switch (this.type) {
         case 'none':
           break;
+
         case 'solidColor':
           this.solidColor = options.copy.solidColor;
           break;
+
         case 'linearGradient':
           this.linearGradient = options.copy.linearGradient.cloneNode(true);
           break;
+
         case 'radialGradient':
           this.radialGradient = options.copy.radialGradient.cloneNode(true);
           break;
-      }
-      // create linear gradient paint
+      } // create linear gradient paint
+
     } else if (options.linearGradient) {
       this.type = 'linearGradient';
       this.solidColor = null;
       this.radialGradient = null;
-      this.linearGradient = options.linearGradient.cloneNode(true);
-      // create linear gradient paint
+      this.linearGradient = options.linearGradient.cloneNode(true); // create linear gradient paint
     } else if (options.radialGradient) {
       this.type = 'radialGradient';
       this.solidColor = null;
       this.linearGradient = null;
-      this.radialGradient = options.radialGradient.cloneNode(true);
-      // create solid color paint
+      this.radialGradient = options.radialGradient.cloneNode(true); // create solid color paint
     } else if (options.solidColor) {
       this.type = 'solidColor';
-      this.solidColor = options.solidColor;
-      // create empty paint
+      this.solidColor = options.solidColor; // create empty paint
     } else {
       this.type = 'none';
       this.solidColor = null;
@@ -20755,27 +22382,32 @@ function jqPluginJGraduate ($) {
   */
 
 
-  $.jGraduate = /** @lends external:jQuery.jGraduate */{
+  $.jGraduate =
+  /** @lends external:jQuery.jGraduate */
+  {
     /**
     * @class external:jQuery.jGraduate.Paint
     * @see module:jGraduate~Paint
     */
     Paint: Paint
-  };
-
-  // JSDoc doesn't show this as belonging to our `module:jGraduate.Options` type,
+  }; // JSDoc doesn't show this as belonging to our `module:jGraduate.Options` type,
   //   so we use `@see`
+
   /**
   * @namespace {module:jGraduate.Options} jGraduateDefaults
   * @memberof external:jQuery.fn
   */
-  $.fn.jGraduateDefaults = /** @lends external:jQuery.fn.jGraduateDefaults */{
+
+  $.fn.jGraduateDefaults =
+  /** @lends external:jQuery.fn.jGraduateDefaults */
+  {
     /**
     * Creates an object with a 'none' color
     * @type {external:jQuery.jGraduate.Paint}
     * @see module:jGraduate.Options
     */
     paint: new $.jGraduate.Paint(),
+
     /**
     * @namespace
     */
@@ -20786,6 +22418,7 @@ function jqPluginJGraduate ($) {
       */
       pickerTitle: 'Drag markers to pick a paint'
     },
+
     /**
     * @namespace
     */
@@ -20796,13 +22429,14 @@ function jqPluginJGraduate ($) {
       */
       clientPath: 'images/'
     },
+
     /**
     * @type {string}
     * @see module:jGraduate.Options
     */
     newstop: 'inverse' // same, inverse, black, white
-  };
 
+  };
   var isGecko = navigator.userAgent.includes('Gecko/');
 
   function setAttrs(elem, attrs) {
@@ -20814,6 +22448,7 @@ function jqPluginJGraduate ($) {
       for (var _aname in attrs) {
         var val = attrs[_aname],
             prop = elem[_aname];
+
         if (prop && prop.constructor === 'SVGLength') {
           prop.baseVal.value = val;
         } else {
@@ -20826,17 +22461,19 @@ function jqPluginJGraduate ($) {
   function mkElem(name, attrs, newparent) {
     var elem = document.createElementNS(ns.svg, name);
     setAttrs(elem, attrs);
+
     if (newparent) {
       newparent.append(elem);
     }
+
     return elem;
   }
-
   /**
   * @typedef {PlainObject} module:jGraduate.ColorOpac Object may have one or both values
   * @property {string} [color] #Hex color
   * @property {Float} [opac] 0-1
   */
+
   /**
   * @typedef {PlainObject} module:jGraduate.Options
   * @property {module:jGraduate~Paint} [paint] A Paint object object describing the paint to display initially; defaults to a new instance without options (defaults to opaque white)
@@ -20852,6 +22489,7 @@ function jqPluginJGraduate ($) {
   * @param {external:jQuery.jGraduate.Paint} paint
   * @returns {undefined}
   */
+
   /**
   * @callback external:jQuery.fn.jGraduate.CancelCallback
   * @returns {undefined}
@@ -20864,6 +22502,8 @@ function jqPluginJGraduate ($) {
   * @param {external:jQuery.fn.jGraduate.CancelCallback} [cancelCallback] Called with no arguments when Cancel is pressed
   * @returns {external:jQuery}
   */
+
+
   $.fn.jGraduate = function (options, okCallback, cancelCallback) {
     return this.each(function () {
       var $this = $(this),
@@ -20881,108 +22521,109 @@ function jqPluginJGraduate ($) {
           case 'radialGradient':
             $this.paint.linearGradient = null;
             break;
+
           case 'linearGradient':
             $this.paint.radialGradient = null;
             break;
+
           case 'solidColor':
             $this.paint.radialGradient = $this.paint.linearGradient = null;
             break;
         }
+
         typeof $this.okCallback === 'function' && $this.okCallback($this.paint);
         $this.hide();
       };
+
       var cancelClicked = function cancelClicked() {
         typeof $this.cancelCallback === 'function' && $this.cancelCallback();
         $this.hide();
       };
 
-      $.extend(true, $this, { // public properties, methods, and callbacks
+      $.extend(true, $this, {
+        // public properties, methods, and callbacks
         // make a copy of the incoming paint
-        paint: new $.jGraduate.Paint({ copy: $settings.paint }),
+        paint: new $.jGraduate.Paint({
+          copy: $settings.paint
+        }),
         okCallback: typeof okCallback === 'function' ? okCallback : null,
         cancelCallback: typeof cancelCallback === 'function' ? cancelCallback : null
       });
-
       var // pos = $this.position(),
       color = null;
       var $win = $(window);
 
       if ($this.paint.type === 'none') {
-        $this.paint = new $.jGraduate.Paint({ solidColor: 'ffffff' });
+        $this.paint = new $.jGraduate.Paint({
+          solidColor: 'ffffff'
+        });
       }
 
       $this.addClass('jGraduate_Picker');
       $this.html('<ul class="jGraduate_tabs">' + '<li class="jGraduate_tab_color jGraduate_tab_current" data-type="col">Solid Color</li>' + '<li class="jGraduate_tab_lingrad" data-type="lg">Linear Gradient</li>' + '<li class="jGraduate_tab_radgrad" data-type="rg">Radial Gradient</li>' + '</ul>' + '<div class="jGraduate_colPick"></div>' + '<div class="jGraduate_gradPick"></div>' + '<div class="jGraduate_LightBox"></div>' + '<div id="' + id + '_jGraduate_stopPicker" class="jGraduate_stopPicker"></div>');
       var colPicker = $(idref + '> .jGraduate_colPick');
       var gradPicker = $(idref + '> .jGraduate_gradPick');
-
-      gradPicker.html('<div id="' + id + '_jGraduate_Swatch" class="jGraduate_Swatch">' + '<h2 class="jGraduate_Title">' + $settings.window.pickerTitle + '</h2>' + '<div id="' + id + '_jGraduate_GradContainer" class="jGraduate_GradContainer"></div>' + '<div id="' + id + '_jGraduate_StopSlider" class="jGraduate_StopSlider"></div>' + '</div>' + '<div class="jGraduate_Form jGraduate_Points jGraduate_lg_field">' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Begin Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_x1" size="3" title="Enter starting x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_y1" size="3" title="Enter starting y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">End Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_x2" size="3" title="Enter ending x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_y2" size="3" title="Enter ending y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '</div>' + '<div class="jGraduate_Form jGraduate_Points jGraduate_rg_field">' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Center Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_cx" size="3" title="Enter x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_cy" size="3" title="Enter y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Focal Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>Match center: <input type="checkbox" checked="checked" id="' + id + '_jGraduate_match_ctr"/></label><br/>' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_fx" size="3" title="Enter x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_fy" size="3" title="Enter y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection jGraduate_SpreadMethod">' + '<label class="jGraduate_Form_Heading">Spread method</label>' + '<div class="jGraduate_Form_Section">' + '<select class="jGraduate_spreadMethod">' + '<option value=pad selected>Pad</option>' + '<option value=reflect>Reflect</option>' + '<option value=repeat>Repeat</option>' + '</select>' + '</div>' + '</div>' + '<div class="jGraduate_Form">' + '<div class="jGraduate_Slider jGraduate_RadiusField jGraduate_rg_field">' + '<label class="prelabel">Radius:</label>' + '<div id="' + id + '_jGraduate_Radius" class="jGraduate_SliderBar jGraduate_Radius" title="Click to set radius">' + '<img id="' + id + '_jGraduate_RadiusArrows" class="jGraduate_RadiusArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_RadiusInput" size="3" value="100"/>%</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_EllipField jGraduate_rg_field">' + '<label class="prelabel">Ellip:</label>' + '<div id="' + id + '_jGraduate_Ellip" class="jGraduate_SliderBar jGraduate_Ellip" title="Click to set Ellip">' + '<img id="' + id + '_jGraduate_EllipArrows" class="jGraduate_EllipArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_EllipInput" size="3" value="0"/>%</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_AngleField jGraduate_rg_field">' + '<label class="prelabel">Angle:</label>' + '<div id="' + id + '_jGraduate_Angle" class="jGraduate_SliderBar jGraduate_Angle" title="Click to set Angle">' + '<img id="' + id + '_jGraduate_AngleArrows" class="jGraduate_AngleArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_AngleInput" size="3" value="0"/>deg</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_OpacField">' + '<label class="prelabel">Opac:</label>' + '<div id="' + id + '_jGraduate_Opac" class="jGraduate_SliderBar jGraduate_Opac" title="Click to set Opac">' + '<img id="' + id + '_jGraduate_OpacArrows" class="jGraduate_OpacArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_OpacInput" size="3" value="100"/>%</label>' + '</div>' + '</div>' + '<div class="jGraduate_OkCancel">' + '<input type="button" id="' + id + '_jGraduate_Ok" class="jGraduate_Ok" value="OK"/>' + '<input type="button" id="' + id + '_jGraduate_Cancel" class="jGraduate_Cancel" value="Cancel"/>' + '</div>');
-
-      // --------------
+      gradPicker.html('<div id="' + id + '_jGraduate_Swatch" class="jGraduate_Swatch">' + '<h2 class="jGraduate_Title">' + $settings.window.pickerTitle + '</h2>' + '<div id="' + id + '_jGraduate_GradContainer" class="jGraduate_GradContainer"></div>' + '<div id="' + id + '_jGraduate_StopSlider" class="jGraduate_StopSlider"></div>' + '</div>' + '<div class="jGraduate_Form jGraduate_Points jGraduate_lg_field">' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Begin Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_x1" size="3" title="Enter starting x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_y1" size="3" title="Enter starting y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">End Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_x2" size="3" title="Enter ending x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_y2" size="3" title="Enter ending y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '</div>' + '<div class="jGraduate_Form jGraduate_Points jGraduate_rg_field">' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Center Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_cx" size="3" title="Enter x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_cy" size="3" title="Enter y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Focal Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>Match center: <input type="checkbox" checked="checked" id="' + id + '_jGraduate_match_ctr"/></label><br/>' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_fx" size="3" title="Enter x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_fy" size="3" title="Enter y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection jGraduate_SpreadMethod">' + '<label class="jGraduate_Form_Heading">Spread method</label>' + '<div class="jGraduate_Form_Section">' + '<select class="jGraduate_spreadMethod">' + '<option value=pad selected>Pad</option>' + '<option value=reflect>Reflect</option>' + '<option value=repeat>Repeat</option>' + '</select>' + '</div>' + '</div>' + '<div class="jGraduate_Form">' + '<div class="jGraduate_Slider jGraduate_RadiusField jGraduate_rg_field">' + '<label class="prelabel">Radius:</label>' + '<div id="' + id + '_jGraduate_Radius" class="jGraduate_SliderBar jGraduate_Radius" title="Click to set radius">' + '<img id="' + id + '_jGraduate_RadiusArrows" class="jGraduate_RadiusArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_RadiusInput" size="3" value="100"/>%</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_EllipField jGraduate_rg_field">' + '<label class="prelabel">Ellip:</label>' + '<div id="' + id + '_jGraduate_Ellip" class="jGraduate_SliderBar jGraduate_Ellip" title="Click to set Ellip">' + '<img id="' + id + '_jGraduate_EllipArrows" class="jGraduate_EllipArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_EllipInput" size="3" value="0"/>%</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_AngleField jGraduate_rg_field">' + '<label class="prelabel">Angle:</label>' + '<div id="' + id + '_jGraduate_Angle" class="jGraduate_SliderBar jGraduate_Angle" title="Click to set Angle">' + '<img id="' + id + '_jGraduate_AngleArrows" class="jGraduate_AngleArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_AngleInput" size="3" value="0"/>deg</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_OpacField">' + '<label class="prelabel">Opac:</label>' + '<div id="' + id + '_jGraduate_Opac" class="jGraduate_SliderBar jGraduate_Opac" title="Click to set Opac">' + '<img id="' + id + '_jGraduate_OpacArrows" class="jGraduate_OpacArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_OpacInput" size="3" value="100"/>%</label>' + '</div>' + '</div>' + '<div class="jGraduate_OkCancel">' + '<input type="button" id="' + id + '_jGraduate_Ok" class="jGraduate_Ok" value="OK"/>' + '<input type="button" id="' + id + '_jGraduate_Cancel" class="jGraduate_Cancel" value="Cancel"/>' + '</div>'); // --------------
       // Set up all the SVG elements (the gradient, stops and rectangle)
+
       var MAX = 256,
           MARGINX = 0,
           MARGINY = 0,
-
-      // STOP_RADIUS = 15 / 2,
+          // STOP_RADIUS = 15 / 2,
       SIZEX = MAX - 2 * MARGINX,
           SIZEY = MAX - 2 * MARGINY;
-
       var attrInput = {};
-
       var SLIDERW = 145;
       $('.jGraduate_SliderBar').width(SLIDERW);
-
       var container = $('#' + id + '_jGraduate_GradContainer')[0];
-
       var svg = mkElem('svg', {
         id: id + '_jgraduate_svg',
         width: MAX,
         height: MAX,
         xmlns: ns.svg
-      }, container);
-
-      // This wasn't working as designed
+      }, container); // This wasn't working as designed
       // let curType;
       // curType = curType || $this.paint.type;
-
       // if we are sent a gradient, import it
-      var curType = $this.paint.type;
 
+      var curType = $this.paint.type;
       var grad = $this.paint[curType];
       var curGradient = grad;
-
       var gradalpha = $this.paint.alpha;
+      var isSolid = curType === 'solidColor'; // Make any missing gradients
 
-      var isSolid = curType === 'solidColor';
-
-      // Make any missing gradients
       switch (curType) {
-        case 'solidColor':
-        // fall through
+        case 'solidColor': // fall through
+
         case 'linearGradient':
           if (!isSolid) {
             curGradient.id = id + '_lg_jgraduate_grad';
             grad = curGradient = svg.appendChild(curGradient); // .cloneNode(true));
           }
+
           mkElem('radialGradient', {
             id: id + '_rg_jgraduate_grad'
           }, svg);
+
           if (curType === 'linearGradient') {
             break;
           }
+
         // fall through
+
         case 'radialGradient':
           if (!isSolid) {
             curGradient.id = id + '_rg_jgraduate_grad';
             grad = curGradient = svg.appendChild(curGradient); // .cloneNode(true));
           }
+
           mkElem('linearGradient', {
             id: id + '_lg_jgraduate_grad'
           }, svg);
       }
 
-      var stopGroup = void 0; // eslint-disable-line prefer-const
+      var stopGroup; // eslint-disable-line prefer-const
+
       if (isSolid) {
         grad = curGradient = $('#' + id + '_lg_jgraduate_grad')[0];
         color = $this.paint[curType];
@@ -20999,12 +22640,14 @@ function jqPluginJGraduate ($) {
             case 'inverse':
               // Invert current color for second stop
               var inverted = '';
+
               for (var i = 0; i < 6; i += 2) {
                 // const ch = color.substr(i, 2);
                 var inv = (255 - parseInt(color.substr(i, 2), 16)).toString(16);
                 if (inv.length < 2) inv = 0 + inv;
                 inverted += inv;
               }
+
               mkStop(1, '#' + inverted, 1);
               break;
 
@@ -21026,12 +22669,10 @@ function jqPluginJGraduate ($) {
           y1 = parseFloat(grad.getAttribute('y1') || 0.0),
           x2 = parseFloat(grad.getAttribute('x2') || 1.0),
           y2 = parseFloat(grad.getAttribute('y2') || 0.0);
-
       var cx = parseFloat(grad.getAttribute('cx') || 0.5),
           cy = parseFloat(grad.getAttribute('cy') || 0.5),
           fx = parseFloat(grad.getAttribute('fx') || cx),
           fy = parseFloat(grad.getAttribute('fy') || cy);
-
       var previewRect = mkElem('rect', {
         id: id + '_jgraduate_rect',
         x: MARGINX,
@@ -21040,9 +22681,8 @@ function jqPluginJGraduate ($) {
         height: SIZEY,
         fill: 'url(#' + id + '_jgraduate_grad)',
         'fill-opacity': gradalpha / 100
-      }, svg);
+      }, svg); // stop visuals created here
 
-      // stop visuals created here
       var beginCoord = $('<div/>').attr({
         class: 'grad_coord jGraduate_lg_field',
         title: 'Begin Stop'
@@ -21050,12 +22690,10 @@ function jqPluginJGraduate ($) {
         top: y1 * MAX,
         left: x1 * MAX
       }).data('coord', 'start').appendTo(container);
-
       var endCoord = beginCoord.clone().text(2).css({
         top: y2 * MAX,
         left: x2 * MAX
       }).attr('title', 'End stop').data('coord', 'end').appendTo(container);
-
       var centerCoord = $('<div/>').attr({
         class: 'grad_coord jGraduate_rg_field',
         title: 'Center stop'
@@ -21063,17 +22701,12 @@ function jqPluginJGraduate ($) {
         top: cy * MAX,
         left: cx * MAX
       }).data('coord', 'center').appendTo(container);
-
       var focusCoord = centerCoord.clone().text('F').css({
         top: fy * MAX,
         left: fx * MAX,
         display: 'none'
       }).attr('title', 'Focus point').data('coord', 'focus').appendTo(container);
-
-      focusCoord[0].id = id + '_jGraduate_focusCoord';
-
-      // const coords = $(idref + ' .grad_coord');
-
+      focusCoord[0].id = id + '_jGraduate_focusCoord'; // const coords = $(idref + ' .grad_coord');
       // $(container).hover(function () {
       //   coords.animate({
       //     opacity: 1
@@ -21084,11 +22717,11 @@ function jqPluginJGraduate ($) {
       //   }, 500);
       // });
 
-      var showFocus = void 0;
+      var showFocus;
       $.each(['x1', 'y1', 'x2', 'y2', 'cx', 'cy', 'fx', 'fy'], function (i, attr) {
         var isRadial = isNaN(attr[1]);
-
         var attrval = curGradient.getAttribute(attr);
+
         if (!attrval) {
           // Set defaults
           if (isRadial) {
@@ -21115,15 +22748,18 @@ function jqPluginJGraduate ($) {
           }
 
           var $elem = isRadial ? attr[0] === 'c' ? centerCoord : focusCoord : attr[1] === '1' ? beginCoord : endCoord;
-
           var cssName = attr.includes('x') ? 'left' : 'top';
-
           $elem.css(cssName, this.value * MAX);
         }).change();
       });
 
       function mkStop(n, color, opac, sel, stopElem) {
-        var stop = stopElem || mkElem('stop', { 'stop-color': color, 'stop-opacity': opac, offset: n }, curGradient);
+        var stop = stopElem || mkElem('stop', {
+          'stop-color': color,
+          'stop-opacity': opac,
+          offset: n
+        }, curGradient);
+
         if (stopElem) {
           color = stopElem.getAttribute('stop-color');
           opac = stopElem.getAttribute('stop-opacity');
@@ -21131,16 +22767,14 @@ function jqPluginJGraduate ($) {
         } else {
           curGradient.append(stop);
         }
+
         if (opac === null) opac = 1;
-
         var pickerD = 'M-6.2,0.9c3.6-4,6.7-4.3,6.7-12.4c-0.2,7.9,3.1,8.8,6.5,12.4c3.5,3.8,2.9,9.6,0,12.3c-3.1,2.8-10.4,2.7-13.2,0C-9.6,9.9-9.4,4.4-6.2,0.9z';
-
         var pathbg = mkElem('path', {
           d: pickerD,
           fill: 'url(#jGraduate_trans)',
           transform: 'translate(' + (10 + n * MAX) + ', 26)'
         }, stopGroup);
-
         var path = mkElem('path', {
           d: pickerD,
           fill: color,
@@ -21149,7 +22783,6 @@ function jqPluginJGraduate ($) {
           stroke: '#000',
           'stroke-width': 1.5
         }, stopGroup);
-
         $(path).mousedown(function (e) {
           selectStop(this);
           drag = curStop;
@@ -21163,14 +22796,26 @@ function jqPluginJGraduate ($) {
           var stopOpacity = +stop.getAttribute('stop-opacity') || 1;
           var stopColor = stop.getAttribute('stop-color') || 1;
           var thisAlpha = (parseFloat(stopOpacity) * 255).toString(16);
+
           while (thisAlpha.length < 2) {
             thisAlpha = '0' + thisAlpha;
           }
+
           color = stopColor.substr(1) + thisAlpha;
-          $('#' + id + '_jGraduate_stopPicker').css({ left: 100, bottom: 15 }).jPicker({
-            window: { title: 'Pick the start color and opacity for the gradient' },
-            images: { clientPath: $settings.images.clientPath },
-            color: { active: color, alphaSupport: true }
+          $('#' + id + '_jGraduate_stopPicker').css({
+            left: 100,
+            bottom: 15
+          }).jPicker({
+            window: {
+              title: 'Pick the start color and opacity for the gradient'
+            },
+            images: {
+              clientPath: $settings.images.clientPath
+            },
+            color: {
+              active: color,
+              alphaSupport: true
+            }
           }, function (color, arg2) {
             stopColor = color.val('hex') ? '#' + color.val('hex') : 'none';
             stopOpacity = color.val('a') !== null ? color.val('a') / 256 : 1;
@@ -21185,9 +22830,9 @@ function jqPluginJGraduate ($) {
             $('#' + id + '_jGraduate_stopPicker').hide();
           });
         });
-
         $(curGradient).find('stop').each(function () {
           var curS = $(this);
+
           if (+this.getAttribute('offset') > n) {
             if (!color) {
               var newcolor = this.getAttribute('stop-color');
@@ -21197,6 +22842,7 @@ function jqPluginJGraduate ($) {
               stop.setAttribute('stop-opacity', newopac === null ? 1 : newopac);
               path.setAttribute('fill-opacity', newopac === null ? 1 : newopac);
             }
+
             curS.before(stop);
             return false;
           }
@@ -21214,11 +22860,7 @@ function jqPluginJGraduate ($) {
       }
 
       var stopMakerDiv = $('#' + id + '_jGraduate_StopSlider');
-
-      var stops = void 0,
-          curStop = void 0,
-          drag = void 0;
-
+      var stops, curStop, drag;
       var delStop = mkElem('path', {
         d: 'm9.75,-6l-19.5,19.5m0,-19.5l19.5,19.5',
         fill: 'none',
@@ -21231,38 +22873,38 @@ function jqPluginJGraduate ($) {
         if (curStop) curStop.setAttribute('stroke', '#000');
         item.setAttribute('stroke', 'blue');
         curStop = item;
-        curStop.parentNode.append(curStop);
-        //   stops = $('stop');
+        curStop.parentNode.append(curStop); //   stops = $('stop');
         //   opac_select.val(curStop.attr('fill-opacity') || 1);
         //   root.append(delStop);
       }
 
-      var stopOffset = void 0;
+      var stopOffset;
 
       function remDrags() {
         $win.unbind('mousemove', dragColor);
+
         if (delStop.getAttribute('display') !== 'none') {
           remStop();
         }
+
         drag = null;
       }
 
       var scaleX = 1,
           scaleY = 1,
           angle = 0;
-
       var cX = cx;
       var cY = cy;
+
       function xform() {
         var rot = angle ? 'rotate(' + angle + ',' + cX + ',' + cY + ') ' : '';
+
         if (scaleX === 1 && scaleY === 1) {
-          curGradient.removeAttribute('gradientTransform');
-          // $('#ang').addClass('dis');
+          curGradient.removeAttribute('gradientTransform'); // $('#ang').addClass('dis');
         } else {
           var x = -cX * (scaleX - 1);
           var y = -cY * (scaleY - 1);
-          curGradient.setAttribute('gradientTransform', rot + 'translate(' + x + ',' + y + ') scale(' + scaleX + ',' + scaleY + ')');
-          // $('#ang').removeClass('dis');
+          curGradient.setAttribute('gradientTransform', rot + 'translate(' + x + ',' + y + ') scale(' + scaleX + ',' + scaleY + ')'); // $('#ang').removeClass('dis');
         }
       }
 
@@ -21270,8 +22912,8 @@ function jqPluginJGraduate ($) {
         var x = evt.pageX - stopOffset.left;
         var y = evt.pageY - stopOffset.top;
         x = x < 10 ? 10 : x > MAX + 10 ? MAX + 10 : x;
-
         var xfStr = 'translate(' + x + ', 26)';
+
         if (y < -60 || y > 130) {
           delStop.setAttribute('display', 'block');
           delStop.setAttribute('transform', xfStr);
@@ -21283,17 +22925,17 @@ function jqPluginJGraduate ($) {
         $.data(drag, 'bg').setAttribute('transform', xfStr);
         var stop = $.data(drag, 'stop');
         var sX = (x - 10) / MAX;
-
         stop.setAttribute('offset', sX);
-
         var last = 0;
         $(curGradient).find('stop').each(function (i) {
           var cur = this.getAttribute('offset');
           var t = $(this);
+
           if (cur < last) {
             t.prev().before(t);
             stops = $(curGradient).find('stop');
           }
+
           last = cur;
         });
       }
@@ -21302,40 +22944,31 @@ function jqPluginJGraduate ($) {
         width: '100%',
         height: 45
       }, stopMakerDiv[0]);
-
       var transPattern = mkElem('pattern', {
         width: 16,
         height: 16,
         patternUnits: 'userSpaceOnUse',
         id: 'jGraduate_trans'
       }, stopMakerSVG);
-
       var transImg = mkElem('image', {
         width: 16,
         height: 16
       }, transPattern);
-
       var bgImage = $settings.images.clientPath + 'map-opacity.png';
-
       transImg.setAttributeNS(ns.xlink, 'xlink:href', bgImage);
-
       $(stopMakerSVG).click(function (evt) {
         stopOffset = stopMakerDiv.offset();
         var target = evt.target;
-
         if (target.tagName === 'path') return;
         var x = evt.pageX - stopOffset.left - 8;
         x = x < 10 ? 10 : x > MAX + 10 ? MAX + 10 : x;
         mkStop(x / MAX, 0, 0, true);
         evt.stopPropagation();
       });
-
       $(stopMakerSVG).mouseover(function () {
         stopMakerSVG.append(delStop);
       });
-
       stopGroup = mkElem('g', {}, stopMakerSVG);
-
       mkElem('line', {
         x1: 10,
         y1: 15,
@@ -21344,28 +22977,22 @@ function jqPluginJGraduate ($) {
         'stroke-width': 2,
         stroke: '#000'
       }, stopMakerSVG);
-
       var spreadMethodOpt = gradPicker.find('.jGraduate_spreadMethod').change(function () {
         curGradient.setAttribute('spreadMethod', $(this).val());
-      });
+      }); // handle dragging the stop around the swatch
 
-      // handle dragging the stop around the swatch
       var draggingCoord = null;
 
       var onCoordDrag = function onCoordDrag(evt) {
         var x = evt.pageX - offset.left;
-        var y = evt.pageY - offset.top;
+        var y = evt.pageY - offset.top; // clamp stop to the swatch
 
-        // clamp stop to the swatch
         x = x < 0 ? 0 : x > MAX ? MAX : x;
         y = y < 0 ? 0 : y > MAX ? MAX : y;
+        draggingCoord.css('left', x).css('top', y); // calculate stop offset
 
-        draggingCoord.css('left', x).css('top', y);
-
-        // calculate stop offset
         var fracx = x / SIZEX;
         var fracy = y / SIZEY;
-
         var type = draggingCoord.data('coord');
         var grad = curGradient;
 
@@ -21376,12 +23003,14 @@ function jqPluginJGraduate ($) {
             grad.setAttribute('x1', fracx);
             grad.setAttribute('y1', fracy);
             break;
+
           case 'end':
             attrInput.x2.val(fracx);
             attrInput.y2.val(fracy);
             grad.setAttribute('x2', fracx);
             grad.setAttribute('y2', fracy);
             break;
+
           case 'center':
             attrInput.cx.val(fracx);
             attrInput.cy.val(fracy);
@@ -21391,6 +23020,7 @@ function jqPluginJGraduate ($) {
             cY = fracy;
             xform();
             break;
+
           case 'focus':
             attrInput.fx.val(fracx);
             attrInput.fy.val(fracy);
@@ -21405,20 +23035,19 @@ function jqPluginJGraduate ($) {
       var onCoordUp = function onCoordUp() {
         draggingCoord = null;
         $win.unbind('mousemove', onCoordDrag).unbind('mouseup', onCoordUp);
-      };
-
-      // Linear gradient
+      }; // Linear gradient
       // (function () {
 
-      stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
 
-      var numstops = stops.length;
-      // if there are not at least two stops, then
+      stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
+      var numstops = stops.length; // if there are not at least two stops, then
+
       if (numstops < 2) {
         while (numstops < 2) {
           curGradient.append(document.createElementNS(ns.svg, 'stop'));
           ++numstops;
         }
+
         stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
       }
 
@@ -21427,23 +23056,18 @@ function jqPluginJGraduate ($) {
       }
 
       spreadMethodOpt.val(curGradient.getAttribute('spreadMethod') || 'pad');
+      var offset; // No match, so show focus point
 
-      var offset = void 0;
-
-      // No match, so show focus point
       showFocus = false;
-
       previewRect.setAttribute('fill-opacity', gradalpha / 100);
-
       $('#' + id + ' div.grad_coord').mousedown(function (evt) {
         evt.preventDefault();
-        draggingCoord = $(this);
-        // const sPos = draggingCoord.offset();
+        draggingCoord = $(this); // const sPos = draggingCoord.offset();
+
         offset = draggingCoord.parent().offset();
         $win.mousemove(onCoordDrag).mouseup(onCoordUp);
-      });
+      }); // bind GUI elements
 
-      // bind GUI elements
       $('#' + id + '_jGraduate_Ok').bind('click', function () {
         $this.paint.type = curType;
         $this.paint[curType] = curGradient.cloneNode(true);
@@ -21465,16 +23089,14 @@ function jqPluginJGraduate ($) {
       }
 
       $('#' + id + '_jGraduate_match_ctr')[0].checked = !showFocus;
-
-      var lastfx = void 0,
-          lastfy = void 0;
-
+      var lastfx, lastfy;
       $('#' + id + '_jGraduate_match_ctr').change(function () {
         showFocus = !this.checked;
         focusCoord.toggle(showFocus);
         attrInput.fx.val('');
         attrInput.fy.val('');
         var grad = curGradient;
+
         if (!showFocus) {
           lastfx = grad.getAttribute('fx');
           lastfy = grad.getAttribute('fy');
@@ -21482,31 +23104,32 @@ function jqPluginJGraduate ($) {
           grad.removeAttribute('fy');
         } else {
           var _fx = lastfx || 0.5;
+
           var _fy = lastfy || 0.5;
+
           grad.setAttribute('fx', _fx);
           grad.setAttribute('fy', _fy);
           attrInput.fx.val(_fx);
           attrInput.fy.val(_fy);
         }
       });
-
       stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
-      numstops = stops.length;
-      // if there are not at least two stops, then
+      numstops = stops.length; // if there are not at least two stops, then
+
       if (numstops < 2) {
         while (numstops < 2) {
           curGradient.append(document.createElementNS(ns.svg, 'stop'));
           ++numstops;
         }
+
         stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
       }
 
-      var slider = void 0;
+      var slider;
 
       var setSlider = function setSlider(e) {
         var _slider = slider,
             offset = _slider.offset;
-
         var div = slider.parent;
         var x = e.pageX - offset.left - parseInt(div.css('border-left-width'));
         if (x > SLIDERW) x = SLIDERW;
@@ -21521,27 +23144,36 @@ function jqPluginJGraduate ($) {
             if (x <= 0.01) x = 0.01;
             curGradient.setAttribute('r', x);
             break;
+
           case 'opacity':
             $this.paint.alpha = parseInt(x * 100);
             previewRect.setAttribute('fill-opacity', x);
             break;
+
           case 'ellip':
             scaleX = 1;
             scaleY = 1;
+
             if (x < 0.5) {
               x /= 0.5; // 0.001
+
               scaleX = x <= 0 ? 0.01 : x;
             } else if (x > 0.5) {
               x /= 0.5; // 2
+
               x = 2 - x;
               scaleY = x <= 0 ? 0.01 : x;
             }
+
             xform();
             x -= 1;
+
             if (scaleY === x + 1) {
               x = Math.abs(x);
             }
+
             break;
+
           case 'angle':
             x = x - 0.5;
             angle = x *= 180;
@@ -21549,7 +23181,10 @@ function jqPluginJGraduate ($) {
             x /= 100;
             break;
         }
-        slider.elem.css({ 'margin-left': posx });
+
+        slider.elem.css({
+          'margin-left': posx
+        });
         x = Math.round(x * 100);
         slider.input.val(x);
       };
@@ -21559,11 +23194,14 @@ function jqPluginJGraduate ($) {
 
       if (curType === 'radialGradient') {
         var tlist = curGradient.gradientTransform.baseVal;
+
         if (tlist.numberOfItems === 2) {
           var t = tlist.getItem(0);
           var s = tlist.getItem(1);
+
           if (t.type === 2 && s.type === 3) {
             var m = s.matrix;
+
             if (m.a !== 1) {
               ellipVal = Math.round(-(1 - m.a) * 100);
             } else if (m.d !== 1) {
@@ -21573,12 +23211,15 @@ function jqPluginJGraduate ($) {
         } else if (tlist.numberOfItems === 3) {
           // Assume [R][T][S]
           var r = tlist.getItem(0);
+
           var _t = tlist.getItem(1);
+
           var _s = tlist.getItem(2);
 
           if (r.type === 4 && _t.type === 2 && _s.type === 3) {
             angleVal = Math.round(r.angle);
             var _m = _s.matrix;
+
             if (_m.a !== 1) {
               ellipVal = Math.round(-(1 - _m.a) * 100);
             } else if (_m.d !== 1) {
@@ -21610,7 +23251,6 @@ function jqPluginJGraduate ($) {
           val: angleVal
         }
       };
-
       $.each(sliders, function (type, data) {
         var handle = $(data.handle);
         handle.mousedown(function (evt) {
@@ -21625,11 +23265,11 @@ function jqPluginJGraduate ($) {
           $win.mousemove(dragSlider).mouseup(stopSlider);
           evt.preventDefault();
         });
-
         $(data.input).val(data.val).change(function () {
           var isRad = curType === 'radialGradient';
           var val = +this.value;
           var xpos = 0;
+
           switch (type) {
             case 'radius':
               if (isRad) curGradient.setAttribute('r', val / 100);
@@ -21644,11 +23284,14 @@ function jqPluginJGraduate ($) {
 
             case 'ellip':
               scaleX = scaleY = 1;
+
               if (val === 0) {
                 xpos = SLIDERW * 0.5;
                 break;
               }
+
               if (val > 99.5) val = 99.5;
+
               if (val > 0) {
                 scaleY = 1 - val / 100;
               } else {
@@ -21666,12 +23309,16 @@ function jqPluginJGraduate ($) {
               xpos *= SLIDERW;
               if (isRad) xform();
           }
+
           if (xpos > SLIDERW) {
             xpos = SLIDERW;
           } else if (xpos < 0) {
             xpos = 0;
           }
-          handle.css({ 'margin-left': xpos - 5 });
+
+          handle.css({
+            'margin-left': xpos - 5
+          });
         }).change();
       });
 
@@ -21683,29 +23330,41 @@ function jqPluginJGraduate ($) {
       var stopSlider = function stopSlider(evt) {
         $win.unbind('mousemove', dragSlider).unbind('mouseup', stopSlider);
         slider = null;
-      };
+      }; // --------------
+
 
-      // --------------
       var thisAlpha = ($this.paint.alpha * 255 / 100).toString(16);
+
       while (thisAlpha.length < 2) {
         thisAlpha = '0' + thisAlpha;
       }
+
       thisAlpha = thisAlpha.split('.')[0];
       color = $this.paint.solidColor === 'none' ? '' : $this.paint.solidColor + thisAlpha;
 
       if (!isSolid) {
         color = stops[0].getAttribute('stop-color');
-      }
+      } // This should be done somewhere else, probably
+
 
-      // This should be done somewhere else, probably
       $.extend($.fn.jPicker.defaults.window, {
-        alphaSupport: true, effects: { type: 'show', speed: 0 }
+        alphaSupport: true,
+        effects: {
+          type: 'show',
+          speed: 0
+        }
       });
-
       colPicker.jPicker({
-        window: { title: $settings.window.pickerTitle },
-        images: { clientPath: $settings.images.clientPath },
-        color: { active: color, alphaSupport: true }
+        window: {
+          title: $settings.window.pickerTitle
+        },
+        images: {
+          clientPath: $settings.images.clientPath
+        },
+        color: {
+          active: color,
+          alphaSupport: true
+        }
       }, function (color) {
         $this.paint.type = 'solidColor';
         $this.paint.alpha = color.val('ahex') ? Math.round(color.val('a') / 255 * 100) : 100;
@@ -21715,27 +23374,24 @@ function jqPluginJGraduate ($) {
       }, null, function () {
         cancelClicked();
       });
-
       var tabs = $(idref + ' .jGraduate_tabs li');
       tabs.click(function () {
         tabs.removeClass('jGraduate_tab_current');
         $(this).addClass('jGraduate_tab_current');
         $(idref + ' > div').hide();
         var type = $(this).attr('data-type');
-        /* const container = */$(idref + ' .jGraduate_gradPick').show();
+        /* const container = */
+
+        $(idref + ' .jGraduate_gradPick').show();
+
         if (type === 'rg' || type === 'lg') {
           // Show/hide appropriate fields
           $('.jGraduate_' + type + '_field').show();
           $('.jGraduate_' + (type === 'lg' ? 'rg' : 'lg') + '_field').hide();
-
-          $('#' + id + '_jgraduate_rect')[0].setAttribute('fill', 'url(#' + id + '_' + type + '_jgraduate_grad)');
-
-          // Copy stops
+          $('#' + id + '_jgraduate_rect')[0].setAttribute('fill', 'url(#' + id + '_' + type + '_jgraduate_grad)'); // Copy stops
 
           curType = type === 'lg' ? 'linearGradient' : 'radialGradient';
-
           $('#' + id + '_jGraduate_OpacInput').val($this.paint.alpha).change();
-
           var newGrad = $('#' + id + '_' + type + '_jgraduate_grad')[0];
 
           if (curGradient !== newGrad) {
@@ -21745,8 +23401,10 @@ function jqPluginJGraduate ($) {
             var sm = spreadMethodOpt.val();
             curGradient.setAttribute('spreadMethod', sm);
           }
+
           showFocus = type === 'rg' && curGradient.getAttribute('fx') != null && !(cx === fx && cy === fy);
           $('#' + id + '_jGraduate_focusCoord').toggle(showFocus);
+
           if (showFocus) {
             $('#' + id + '_jGraduate_match_ctr')[0].checked = false;
           }
@@ -21757,26 +23415,30 @@ function jqPluginJGraduate ($) {
       });
       $(idref + ' > div').hide();
       tabs.removeClass('jGraduate_tab_current');
-      var tab = void 0;
+      var tab;
+
       switch ($this.paint.type) {
         case 'linearGradient':
           tab = $(idref + ' .jGraduate_tab_lingrad');
           break;
+
         case 'radialGradient':
           tab = $(idref + ' .jGraduate_tab_radgrad');
           break;
+
         default:
           tab = $(idref + ' .jGraduate_tab_color');
           break;
       }
-      $this.show();
 
-      // jPicker will try to show after a 0ms timeout, so need to fire this after that
+      $this.show(); // jPicker will try to show after a 0ms timeout, so need to fire this after that
+
       setTimeout(function () {
         tab.addClass('jGraduate_tab_current').click();
       }, 10);
     });
   };
+
   return $;
 }
 
@@ -21850,6 +23512,7 @@ function jqPluginJGraduate ($) {
     $("#myInputElement").SpinButton(myOptions);
   });
  */
+
 /**
  * @function module:jQuerySpinButton.jQuerySpinButton
  * @param {external:jQuery} $ The jQuery object to which to add the plug-in
@@ -21859,7 +23522,9 @@ function jqPluginSpinBtn ($) {
   if (!$.loadingStylesheets) {
     $.loadingStylesheets = [];
   }
+
   var stylesheet = 'spinbtn/jQuery.SpinButton.css';
+
   if (!$.loadingStylesheets.includes(stylesheet)) {
     $.loadingStylesheets.push(stylesheet);
   }
@@ -21867,11 +23532,13 @@ function jqPluginSpinBtn ($) {
   * @callback module:jQuerySpinButton.StepCallback
   * @param {external:jQuery} thisArg Value of `this`
   */
+
   /**
   * @callback module:jQuerySpinButton.ValueCallback
   * @param {external:jQuery} thisArg Value of `this`
   * @param {Float} value Value that was changed
   */
+
   /**
    * @typedef {PlainObject} module:jQuerySpinButton.SpinButtonConfig
    * @property {Float} min Set lower limit
@@ -21890,17 +23557,21 @@ function jqPluginSpinBtn ($) {
    * @property {Float} delay Millisecond delay
    * @property {Float} interval Millisecond interval
   */
+
   /**
   * @function external:jQuery.fn.SpinButton
   * @param {module:jQuerySpinButton.SpinButtonConfig} cfg
   * @returns {external:jQuery}
   */
+
+
   $.fn.SpinButton = function (cfg) {
     cfg = cfg || {};
+
     function coord(el, prop) {
       var b = document.body;
-
       var c = el[prop];
+
       while ((el = el.offsetParent) && el !== b) {
         if (!$.browser.msie || el.currentStyle.position !== 'relative') {
           c += el[prop];
@@ -21911,14 +23582,14 @@ function jqPluginSpinBtn ($) {
     }
 
     return this.each(function () {
-      this.repeating = false;
-
-      // Apply specified options or defaults:
+      this.repeating = false; // Apply specified options or defaults:
       // (Ought to refactor this some day to use $.extend() instead)
+
       this.spinCfg = {
         // min: cfg.min ? Number(cfg.min) : null,
         // max: cfg.max ? Number(cfg.max) : null,
-        min: !isNaN(parseFloat(cfg.min)) ? Number(cfg.min) : null, // Fixes bug with min:0
+        min: !isNaN(parseFloat(cfg.min)) ? Number(cfg.min) : null,
+        // Fixes bug with min:0
         max: !isNaN(parseFloat(cfg.max)) ? Number(cfg.max) : null,
         step: cfg.step ? Number(cfg.step) : 1,
         stepfunc: cfg.stepfunc || false,
@@ -21933,13 +23604,13 @@ function jqPluginSpinBtn ($) {
         _delay: null,
         _repeat: null,
         callback: cfg.callback || null
-      };
+      }; // if a smallStep isn't supplied, use half the regular step
 
-      // if a smallStep isn't supplied, use half the regular step
       this.spinCfg.smallStep = cfg.smallStep || this.spinCfg.step / 2;
 
       this.adjustValue = function (i) {
-        var v = void 0;
+        var v;
+
         if (isNaN(this.value)) {
           v = this.spinCfg.reset;
         } else if (typeof this.spinCfg.stepfunc === 'function') {
@@ -21948,13 +23619,17 @@ function jqPluginSpinBtn ($) {
           // weirdest JavaScript bug ever: 5.1 + 0.1 = 5.199999999
           v = Number((Number(this.value) + Number(i)).toFixed(5));
         }
+
         if (this.spinCfg.min !== null) {
           v = Math.max(v, this.spinCfg.min);
         }
+
         if (this.spinCfg.max !== null) {
           v = Math.min(v, this.spinCfg.max);
         }
+
         this.value = v;
+
         if (typeof this.spinCfg.callback === 'function') {
           this.spinCfg.callback(this);
         }
@@ -21967,7 +23642,6 @@ function jqPluginSpinBtn ($) {
         var el = e.target;
         var scale = cfg.stateObj.tool_scale || 1;
         var height = $(el).height() / 2;
-
         var direction = x > coord(el, 'offsetLeft') + el.offsetWidth * scale - this.spinCfg._btn_width ? y < coord(el, 'offsetTop') + height * scale ? 1 : -1 : 0;
 
         if (direction !== this.spinCfg._direction) {
@@ -21977,16 +23651,18 @@ function jqPluginSpinBtn ($) {
               // Up arrow:
               $(this).removeClass(this.spinCfg.downClass).addClass(this.spinCfg.upClass);
               break;
+
             case -1:
               // Down arrow:
               $(this).removeClass(this.spinCfg.upClass).addClass(this.spinCfg.downClass);
               break;
+
             default:
               // Mouse is elsewhere in the textbox
               $(this).removeClass(this.spinCfg.upClass).removeClass(this.spinCfg.downClass);
-          }
+          } // Set spin direction:
+
 
-          // Set spin direction:
           this.spinCfg._direction = direction;
         }
       }).mouseout(function () {
@@ -22006,12 +23682,11 @@ function jqPluginSpinBtn ($) {
             _this.adjustValue(_this.spinCfg._direction * stepSize);
           };
 
-          adjust();
+          adjust(); // Initial delay before repeating adjustment
 
-          // Initial delay before repeating adjustment
           this.spinCfg._delay = window.setTimeout(function () {
-            adjust();
-            // Repeat adjust at regular intervals
+            adjust(); // Repeat adjust at regular intervals
+
             _this.spinCfg._repeat = window.setInterval(adjust, _this.spinCfg.interval);
           }, this.spinCfg.delay);
         }
@@ -22027,16 +23702,26 @@ function jqPluginSpinBtn ($) {
         // Respond to up/down arrow keys.
         switch (e.keyCode) {
           case 38:
-            this.adjustValue(this.spinCfg.step);break; // Up
+            this.adjustValue(this.spinCfg.step);
+            break;
+          // Up
+
           case 40:
-            this.adjustValue(-this.spinCfg.step);break; // Down
+            this.adjustValue(-this.spinCfg.step);
+            break;
+          // Down
+
           case 33:
-            this.adjustValue(this.spinCfg.page);break; // PageUp
+            this.adjustValue(this.spinCfg.page);
+            break;
+          // PageUp
+
           case 34:
-            this.adjustValue(-this.spinCfg.page);break; // PageDown
+            this.adjustValue(-this.spinCfg.page);
+            break;
+          // PageDown
         }
       })
-
       /*
       http://unixpapa.com/js/key.html describes the current state-of-affairs for
       key repeat events:
@@ -22048,30 +23733,46 @@ function jqPluginSpinBtn ($) {
           // Respond to up/down arrow keys.
           switch (e.keyCode) {
             case 38:
-              this.adjustValue(this.spinCfg.step);break; // Up
+              this.adjustValue(this.spinCfg.step);
+              break;
+            // Up
+
             case 40:
-              this.adjustValue(-this.spinCfg.step);break; // Down
+              this.adjustValue(-this.spinCfg.step);
+              break;
+            // Down
+
             case 33:
-              this.adjustValue(this.spinCfg.page);break; // PageUp
+              this.adjustValue(this.spinCfg.page);
+              break;
+            // PageUp
+
             case 34:
-              this.adjustValue(-this.spinCfg.page);break; // PageDown
-          }
-          // we always ignore the first keypress event (use the keydown instead)
+              this.adjustValue(-this.spinCfg.page);
+              break;
+            // PageDown
+          } // we always ignore the first keypress event (use the keydown instead)
+
         } else {
           this.repeating = true;
         }
-      })
-
-      // clear the 'repeating' flag
+      }) // clear the 'repeating' flag
       .keyup(function (e) {
         this.repeating = false;
+
         switch (e.keyCode) {
           case 38: // Up
+
           case 40: // Down
+
           case 33: // PageUp
+
           case 34: // PageDown
+
           case 13:
-            this.adjustValue(0);break; // Enter/Return
+            this.adjustValue(0);
+            break;
+          // Enter/Return
         }
       }).bind('mousewheel', function (e) {
         // Respond to mouse wheel in IE. (It returns up/dn motion in multiples of 120)
@@ -22100,6 +23801,7 @@ function jqPluginSpinBtn ($) {
       }
     });
   };
+
   return $;
 }
 
@@ -22122,7 +23824,6 @@ function jqPluginSpinBtn ($) {
  *   and the MIT License and is copyright A Beautiful Site, LLC.
  *
 */
-
 /**
 * @callback module:jQueryContextMenu.jQueryContextMenuCallback
 * @param {string} href The `href` value after the first character (for bypassing an initial `#`)
@@ -22144,10 +23845,10 @@ function jqPluginSpinBtn ($) {
 * @param {external:jQuery} $ The jQuery object to wrap (with `contextMenu`, `disableContextMenuItems`, `enableContextMenuItems`, `disableContextMenu`, `enableContextMenu`, `destroyContextMenu`)
 * @returns {external:jQuery}
 */
+
 function jQueryContextMenu($) {
   var win = $(window);
   var doc = $(document);
-
   $.extend($.fn, {
     /**
     * @memberof external:jQuery.fn
@@ -22159,55 +23860,52 @@ function jQueryContextMenu($) {
       // Defaults
       if (o.menu === undefined) return false;
       if (o.inSpeed === undefined) o.inSpeed = 150;
-      if (o.outSpeed === undefined) o.outSpeed = 75;
-      // 0 needs to be -1 for expected results (no fade)
+      if (o.outSpeed === undefined) o.outSpeed = 75; // 0 needs to be -1 for expected results (no fade)
+
       if (o.inSpeed === 0) o.inSpeed = -1;
-      if (o.outSpeed === 0) o.outSpeed = -1;
-      // Loop each context menu
+      if (o.outSpeed === 0) o.outSpeed = -1; // Loop each context menu
+
       $(this).each(function () {
         var el = $(this);
         var offset = $(el).offset();
+        var menu = $('#' + o.menu); // Add contextMenu class
 
-        var menu = $('#' + o.menu);
+        menu.addClass('contextMenu'); // Simulate a true right click
 
-        // Add contextMenu class
-        menu.addClass('contextMenu');
-        // Simulate a true right click
         $(this).bind('mousedown', function (e) {
           var evt = e;
           $(this).mouseup(function (e) {
             var srcElement = $(this);
             srcElement.unbind('mouseup');
+
             if (evt.button === 2 || o.allowLeft || evt.ctrlKey && isMac()) {
-              e.stopPropagation();
-              // Hide context menus that may be showing
-              $('.contextMenu').hide();
-              // Get this context menu
+              e.stopPropagation(); // Hide context menus that may be showing
 
-              if (el.hasClass('disabled')) return false;
+              $('.contextMenu').hide(); // Get this context menu
+
+              if (el.hasClass('disabled')) return false; // Detect mouse position
 
-              // Detect mouse position
               var x = e.pageX,
                   y = e.pageY;
-
               var xOff = win.width() - menu.width(),
                   yOff = win.height() - menu.height();
-
               if (x > xOff - 15) x = xOff - 15;
               if (y > yOff - 30) y = yOff - 30; // 30 is needed to prevent scrollbars in FF
-
               // Show the menu
+
               doc.unbind('click');
-              menu.css({ top: y, left: x }).fadeIn(o.inSpeed);
-              // Hover events
+              menu.css({
+                top: y,
+                left: x
+              }).fadeIn(o.inSpeed); // Hover events
+
               menu.find('A').mouseover(function () {
                 menu.find('LI.hover').removeClass('hover');
                 $(this).parent().addClass('hover');
               }).mouseout(function () {
                 menu.find('LI.hover').removeClass('hover');
-              });
+              }); // Keyboard
 
-              // Keyboard
               doc.keypress(function (e) {
                 switch (e.keyCode) {
                   case 38:
@@ -22218,7 +23916,9 @@ function jQueryContextMenu($) {
                       menu.find('LI.hover').removeClass('hover').prevAll('LI:not(.disabled)').eq(0).addClass('hover');
                       if (!menu.find('LI.hover').length) menu.find('LI:last').addClass('hover');
                     }
+
                     break;
+
                   case 40:
                     // down
                     if (!menu.find('LI.hover').length) {
@@ -22227,31 +23927,38 @@ function jQueryContextMenu($) {
                       menu.find('LI.hover').removeClass('hover').nextAll('LI:not(.disabled)').eq(0).addClass('hover');
                       if (!menu.find('LI.hover').length) menu.find('LI:first').addClass('hover');
                     }
+
                     break;
+
                   case 13:
                     // enter
                     menu.find('LI.hover A').trigger('click');
                     break;
+
                   case 27:
                     // esc
                     doc.trigger('click');
                     break;
                 }
-              });
+              }); // When items are selected
 
-              // When items are selected
               menu.find('A').unbind('mouseup');
               menu.find('LI:not(.disabled) A').mouseup(function () {
                 doc.unbind('click').unbind('keypress');
-                $('.contextMenu').hide();
-                // Callback
-                if (callback) {
-                  callback($(this).attr('href').substr(1), $(srcElement), { x: x - offset.left, y: y - offset.top, docX: x, docY: y });
-                }
-                return false;
-              });
+                $('.contextMenu').hide(); // Callback
+
+                if (callback) {
+                  callback($(this).attr('href').substr(1), $(srcElement), {
+                    x: x - offset.left,
+                    y: y - offset.top,
+                    docX: x,
+                    docY: y
+                  });
+                }
+
+                return false;
+              }); // Hide bindings
 
-              // Hide bindings
               setTimeout(function () {
                 // Delay for Mozilla
                 doc.click(function () {
@@ -22262,12 +23969,13 @@ function jQueryContextMenu($) {
               }, 0);
             }
           });
-        });
+        }); // Disable text selection
 
-        // Disable text selection
         if ($.browser.mozilla) {
           $('#' + o.menu).each(function () {
-            $(this).css({ MozUserSelect: 'none' });
+            $(this).css({
+              MozUserSelect: 'none'
+            });
           });
         } else if ($.browser.msie) {
           $('#' + o.menu).each(function () {
@@ -22281,8 +23989,9 @@ function jQueryContextMenu($) {
               return false;
             });
           });
-        }
-        // Disable browser context menu (requires both selectors to work in IE/Safari + FF/Chrome)
+        } // Disable browser context menu (requires both selectors to work in IE/Safari + FF/Chrome)
+
+
         $(el).add($('UL.contextMenu')).bind('contextmenu', function () {
           return false;
         });
@@ -22290,7 +23999,6 @@ function jQueryContextMenu($) {
       return $(this);
     },
 
-
     /**
     * Disable context menu items on the fly
     * @memberof external:jQuery.fn
@@ -22303,9 +24011,11 @@ function jQueryContextMenu($) {
         $(this).find('LI').addClass('disabled');
         return $(this);
       }
+
       $(this).each(function () {
         if (o !== undefined) {
           var d = o.split(',');
+
           for (var i = 0; i < d.length; i++) {
             $(this).find('A[href="' + d[i] + '"]').parent().addClass('disabled');
           }
@@ -22314,7 +24024,6 @@ function jQueryContextMenu($) {
       return $(this);
     },
 
-
     /**
     * Enable context menu items on the fly
     * @memberof external:jQuery.fn
@@ -22327,9 +24036,11 @@ function jQueryContextMenu($) {
         $(this).find('LI.disabled').removeClass('disabled');
         return $(this);
       }
+
       $(this).each(function () {
         if (o !== undefined) {
           var d = o.split(',');
+
           for (var i = 0; i < d.length; i++) {
             $(this).find('A[href="' + d[i] + '"]').parent().removeClass('disabled');
           }
@@ -22338,7 +24049,6 @@ function jQueryContextMenu($) {
       return $(this);
     },
 
-
     /**
     * Disable context menu(s)
     * @memberof external:jQuery.fn
@@ -22351,7 +24061,6 @@ function jQueryContextMenu($) {
       return $(this);
     },
 
-
     /**
     * Enable context menu(s)
     * @memberof external:jQuery.fn
@@ -22364,7 +24073,6 @@ function jQueryContextMenu($) {
       return $(this);
     },
 
-
     /**
     * Destroy context menu(s)
     * @memberof external:jQuery.fn
@@ -22402,6 +24110,7 @@ function jQueryContextMenu($) {
 /**
 * @external Math
 */
+
 /**
 * @memberof external:Math
 * @param {Float} value
@@ -22412,12 +24121,13 @@ function toFixedNumeric(value, precision) {
   if (precision === undefined) precision = 0;
   return Math.round(value * Math.pow(10, precision)) / Math.pow(10, precision);
 }
-
 /**
 * @function module:jPicker.jPicker
 * @param {external:jQuery} $ The jQuery object to wrap (with {@link external:jQuery.loadingStylesheets}, {@link external:jQuery.fn.$.fn.jPicker}, {@link external:jQuery.fn.$.fn.jPicker.defaults})
 * @returns {external:jQuery}
 */
+
+
 var jPicker = function jPicker($) {
   if (!$.loadingStylesheets) {
     /**
@@ -22427,7 +24137,9 @@ var jPicker = function jPicker($) {
     */
     $.loadingStylesheets = [];
   }
+
   var stylesheet = 'jgraduate/css/jPicker.css';
+
   if (!$.loadingStylesheets.includes(stylesheet)) {
     $.loadingStylesheets.push(stylesheet);
   }
@@ -22448,27 +24160,35 @@ var jPicker = function jPicker($) {
   * @param {external:jQuery} bar
   * @param {module:jPicker.SliderOptions} options
   */
+
+
   function Slider(bar, options) {
     var $this = this;
+
     function fireChangeEvents(context) {
       for (var i = 0; i < changeEvents.length; i++) {
         changeEvents[i].call($this, $this, context);
       }
-    }
-    // bind the mousedown to the bar not the arrow for quick snapping to the clicked location
+    } // bind the mousedown to the bar not the arrow for quick snapping to the clicked location
+
+
     function mouseDown(e) {
       var off = bar.offset();
-      offset = { l: off.left | 0, t: off.top | 0 };
-      clearTimeout(timeout);
-      // using setTimeout for visual updates - once the style is updated the browser will re-render internally allowing the next Javascript to run
+      offset = {
+        l: off.left | 0,
+        t: off.top | 0
+      };
+      clearTimeout(timeout); // using setTimeout for visual updates - once the style is updated the browser will re-render internally allowing the next Javascript to run
+
       timeout = setTimeout(function () {
         setValuesFromMousePosition.call($this, e);
-      }, 0);
-      // Bind mousemove and mouseup event to the document so it responds when dragged of of the bar - we will unbind these when on mouseup to save processing
+      }, 0); // Bind mousemove and mouseup event to the document so it responds when dragged of of the bar - we will unbind these when on mouseup to save processing
+
       $(document).bind('mousemove', mouseMove).bind('mouseup', mouseUp);
       e.preventDefault(); // don't try to select anything or drag the image to the desktop
-    }
-    // set the values as the mouse moves
+    } // set the values as the mouse moves
+
+
     function mouseMove(e) {
       clearTimeout(timeout);
       timeout = setTimeout(function () {
@@ -22477,26 +24197,32 @@ var jPicker = function jPicker($) {
       e.stopPropagation();
       e.preventDefault();
       return false;
-    }
-    // unbind the document events - they aren't needed when not dragging
+    } // unbind the document events - they aren't needed when not dragging
+
+
     function mouseUp(e) {
       $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);
       e.stopPropagation();
       e.preventDefault();
       return false;
-    }
-    // calculate mouse position and set value within the current range
+    } // calculate mouse position and set value within the current range
+
+
     function setValuesFromMousePosition(e) {
       var barW = bar.w,
           // local copies for YUI compressor
       barH = bar.h;
       var locX = e.pageX - offset.l,
-          locY = e.pageY - offset.t;
-      // keep the arrow within the bounds of the bar
+          locY = e.pageY - offset.t; // keep the arrow within the bounds of the bar
+
       if (locX < 0) locX = 0;else if (locX > barW) locX = barW;
       if (locY < 0) locY = 0;else if (locY > barH) locY = barH;
-      val.call($this, 'xy', { x: locX / barW * rangeX + minX, y: locY / barH * rangeY + minY });
+      val.call($this, 'xy', {
+        x: locX / barW * rangeX + minX,
+        y: locY / barH * rangeY + minY
+      });
     }
+
     function draw() {
       var barW = bar.w,
           barH = bar.h,
@@ -22510,118 +24236,167 @@ var jPicker = function jPicker($) {
           // constrain to bounds
           if (x === maxX) arrowOffsetX = barW;else arrowOffsetX = x / rangeX * barW | 0;
         }
+
         if (rangeY > 0) {
           // range is greater than zero
           // constrain to bounds
           if (y === maxY) arrowOffsetY = barH;else arrowOffsetY = y / rangeY * barH | 0;
-        }
-        // if arrow width is greater than bar width, center arrow and prevent horizontal dragging
+        } // if arrow width is greater than bar width, center arrow and prevent horizontal dragging
+
+
         if (arrowW >= barW) arrowOffsetX = (barW >> 1) - (arrowW >> 1); // number >> 1 - superfast bitwise divide by two and truncate (move bits over one bit discarding lowest)
-        else arrowOffsetX -= arrowW >> 1;
-        // if arrow height is greater than bar height, center arrow and prevent vertical dragging
-        if (arrowH >= barH) arrowOffsetY = (barH >> 1) - (arrowH >> 1);else arrowOffsetY -= arrowH >> 1;
-        // set the arrow position based on these offsets
-        arrow.css({ left: arrowOffsetX + 'px', top: arrowOffsetY + 'px' });
+        else arrowOffsetX -= arrowW >> 1; // if arrow height is greater than bar height, center arrow and prevent vertical dragging
+
+        if (arrowH >= barH) arrowOffsetY = (barH >> 1) - (arrowH >> 1);else arrowOffsetY -= arrowH >> 1; // set the arrow position based on these offsets
+
+        arrow.css({
+          left: arrowOffsetX + 'px',
+          top: arrowOffsetY + 'px'
+        });
       }, 0);
     }
+
     function val(name, value, context) {
-      var set$$1 = value !== undefined;
-      if (!set$$1) {
+      var set = value !== undefined;
+
+      if (!set) {
         if (name === undefined || name == null) name = 'xy';
+
         switch (name.toLowerCase()) {
           case 'x':
             return x;
+
           case 'y':
             return y;
+
           case 'xy':
           default:
-            return { x: x, y: y };
+            return {
+              x: x,
+              y: y
+            };
         }
       }
+
       if (context != null && context === $this) return;
       var changed = false;
-
-      var newX = void 0,
-          newY = void 0;
+      var newX, newY;
       if (name == null) name = 'xy';
+
       switch (name.toLowerCase()) {
         case 'x':
           newX = value && (value.x && value.x | 0 || value | 0) || 0;
           break;
+
         case 'y':
           newY = value && (value.y && value.y | 0 || value | 0) || 0;
           break;
+
         case 'xy':
         default:
           newX = value && value.x && value.x | 0 || 0;
           newY = value && value.y && value.y | 0 || 0;
           break;
       }
+
       if (newX != null) {
         if (newX < minX) newX = minX;else if (newX > maxX) newX = maxX;
+
         if (x !== newX) {
           x = newX;
           changed = true;
         }
       }
+
       if (newY != null) {
         if (newY < minY) newY = minY;else if (newY > maxY) newY = maxY;
+
         if (y !== newY) {
           y = newY;
           changed = true;
         }
       }
+
       changed && fireChangeEvents.call($this, context || $this);
     }
+
     function range(name, value) {
-      var set$$1 = value !== undefined;
-      if (!set$$1) {
+      var set = value !== undefined;
+
+      if (!set) {
         if (name === undefined || name == null) name = 'all';
+
         switch (name.toLowerCase()) {
           case 'minx':
             return minX;
+
           case 'maxx':
             return maxX;
+
           case 'rangex':
-            return { minX: minX, maxX: maxX, rangeX: rangeX };
+            return {
+              minX: minX,
+              maxX: maxX,
+              rangeX: rangeX
+            };
+
           case 'miny':
             return minY;
+
           case 'maxy':
             return maxY;
+
           case 'rangey':
-            return { minY: minY, maxY: maxY, rangeY: rangeY };
+            return {
+              minY: minY,
+              maxY: maxY,
+              rangeY: rangeY
+            };
+
           case 'all':
           default:
-            return { minX: minX, maxX: maxX, rangeX: rangeX, minY: minY, maxY: maxY, rangeY: rangeY };
+            return {
+              minX: minX,
+              maxX: maxX,
+              rangeX: rangeX,
+              minY: minY,
+              maxY: maxY,
+              rangeY: rangeY
+            };
         }
       }
+
       var // changed = false,
-      newMinX = void 0,
-          newMaxX = void 0,
-          newMinY = void 0,
-          newMaxY = void 0;
+      newMinX, newMaxX, newMinY, newMaxY;
       if (name == null) name = 'all';
+
       switch (name.toLowerCase()) {
         case 'minx':
           newMinX = value && (value.minX && value.minX | 0 || value | 0) || 0;
           break;
+
         case 'maxx':
           newMaxX = value && (value.maxX && value.maxX | 0 || value | 0) || 0;
           break;
+
         case 'rangex':
           newMinX = value && value.minX && value.minX | 0 || 0;
           newMaxX = value && value.maxX && value.maxX | 0 || 0;
           break;
+
         case 'miny':
           newMinY = value && (value.minY && value.minY | 0 || value | 0) || 0;
           break;
+
         case 'maxy':
           newMaxY = value && (value.maxY && value.maxY | 0 || value | 0) || 0;
           break;
+
         case 'rangey':
           newMinY = value && value.minY && value.minY | 0 || 0;
           newMaxY = value && value.maxY && value.maxY | 0 || 0;
           break;
+
         case 'all':
         default:
           newMinX = value && value.minX && value.minX | 0 || 0;
@@ -22630,33 +24405,41 @@ var jPicker = function jPicker($) {
           newMaxY = value && value.maxY && value.maxY | 0 || 0;
           break;
       }
+
       if (newMinX != null && minX !== newMinX) {
         minX = newMinX;
         rangeX = maxX - minX;
       }
+
       if (newMaxX != null && maxX !== newMaxX) {
         maxX = newMaxX;
         rangeX = maxX - minX;
       }
+
       if (newMinY != null && minY !== newMinY) {
         minY = newMinY;
         rangeY = maxY - minY;
       }
+
       if (newMaxY != null && maxY !== newMaxY) {
         maxY = newMaxY;
         rangeY = maxY - minY;
       }
     }
+
     function bind(callback) {
       if (typeof callback === 'function') changeEvents.push(callback);
     }
+
     function unbind(callback) {
       if (typeof callback !== 'function') return;
-      var i = void 0;
+      var i;
+
       while (i = changeEvents.includes(callback)) {
         changeEvents.splice(i, 1);
       }
     }
+
     function destroy() {
       // unbind all possible events and null objects
       $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);
@@ -22665,8 +24448,9 @@ var jPicker = function jPicker($) {
       arrow = null;
       changeEvents = null;
     }
-    var offset = void 0,
-        timeout = void 0,
+
+    var offset,
+        timeout,
         x = 0,
         y = 0,
         minX = 0,
@@ -22678,7 +24462,6 @@ var jPicker = function jPicker($) {
         arrow = bar.find('img:first'),
         // the arrow image to drag
     changeEvents = [];
-
     $.extend(true, $this, // public properties, methods, and event bindings - these we need to access from other controls
     {
       val: val,
@@ -22686,25 +24469,28 @@ var jPicker = function jPicker($) {
       bind: bind,
       unbind: unbind,
       destroy: destroy
-    });
-    // initialize this control
+    }); // initialize this control
+
     arrow.src = options.arrow && options.arrow.image;
     arrow.w = options.arrow && options.arrow.width || arrow.width();
     arrow.h = options.arrow && options.arrow.height || arrow.height();
     bar.w = options.map && options.map.width || bar.width();
-    bar.h = options.map && options.map.height || bar.height();
-    // bind mousedown event
+    bar.h = options.map && options.map.height || bar.height(); // bind mousedown event
+
     bar.bind('mousedown', mouseDown);
     bind.call($this, draw);
-  }
-  // controls for all the input elements for the typing in color values
+  } // controls for all the input elements for the typing in color values
+
+
   function ColorValuePicker(picker, color, bindedHex, alphaPrecision) {
     var $this = this; // private properties and methods
-    var inputs = picker.find('td.Text input');
-    // input box key down - use arrows to alter color
+
+    var inputs = picker.find('td.Text input'); // input box key down - use arrows to alter color
+
     function keyDown(e) {
       if (e.target.value === '' && e.target !== hex.get(0) && (bindedHex != null && e.target !== bindedHex.get(0) || bindedHex == null)) return;
       if (!validateKey(e)) return e;
+
       switch (e.target) {
         case red.get(0):
           switch (e.keyCode) {
@@ -22712,163 +24498,212 @@ var jPicker = function jPicker($) {
               red.val(setValueInRange.call($this, (red.val() << 0) + 1, 0, 255));
               color.val('r', red.val(), e.target);
               return false;
+
             case 40:
               red.val(setValueInRange.call($this, (red.val() << 0) - 1, 0, 255));
               color.val('r', red.val(), e.target);
               return false;
           }
+
           break;
+
         case green.get(0):
           switch (e.keyCode) {
             case 38:
               green.val(setValueInRange.call($this, (green.val() << 0) + 1, 0, 255));
               color.val('g', green.val(), e.target);
               return false;
+
             case 40:
               green.val(setValueInRange.call($this, (green.val() << 0) - 1, 0, 255));
               color.val('g', green.val(), e.target);
               return false;
           }
+
           break;
+
         case blue.get(0):
           switch (e.keyCode) {
             case 38:
               blue.val(setValueInRange.call($this, (blue.val() << 0) + 1, 0, 255));
               color.val('b', blue.val(), e.target);
               return false;
+
             case 40:
               blue.val(setValueInRange.call($this, (blue.val() << 0) - 1, 0, 255));
               color.val('b', blue.val(), e.target);
               return false;
           }
+
           break;
+
         case alpha && alpha.get(0):
           switch (e.keyCode) {
             case 38:
               alpha.val(setValueInRange.call($this, parseFloat(alpha.val()) + 1, 0, 100));
               color.val('a', toFixedNumeric(alpha.val() * 255 / 100, alphaPrecision), e.target);
               return false;
+
             case 40:
               alpha.val(setValueInRange.call($this, parseFloat(alpha.val()) - 1, 0, 100));
               color.val('a', toFixedNumeric(alpha.val() * 255 / 100, alphaPrecision), e.target);
               return false;
           }
+
           break;
+
         case hue.get(0):
           switch (e.keyCode) {
             case 38:
               hue.val(setValueInRange.call($this, (hue.val() << 0) + 1, 0, 360));
               color.val('h', hue.val(), e.target);
               return false;
+
             case 40:
               hue.val(setValueInRange.call($this, (hue.val() << 0) - 1, 0, 360));
               color.val('h', hue.val(), e.target);
               return false;
           }
+
           break;
+
         case saturation.get(0):
           switch (e.keyCode) {
             case 38:
               saturation.val(setValueInRange.call($this, (saturation.val() << 0) + 1, 0, 100));
               color.val('s', saturation.val(), e.target);
               return false;
+
             case 40:
               saturation.val(setValueInRange.call($this, (saturation.val() << 0) - 1, 0, 100));
               color.val('s', saturation.val(), e.target);
               return false;
           }
+
           break;
+
         case value.get(0):
           switch (e.keyCode) {
             case 38:
               value.val(setValueInRange.call($this, (value.val() << 0) + 1, 0, 100));
               color.val('v', value.val(), e.target);
               return false;
+
             case 40:
               value.val(setValueInRange.call($this, (value.val() << 0) - 1, 0, 100));
               color.val('v', value.val(), e.target);
               return false;
           }
+
           break;
       }
-    }
-    // input box key up - validate value and set color
+    } // input box key up - validate value and set color
+
+
     function keyUp(e) {
       if (e.target.value === '' && e.target !== hex.get(0) && (bindedHex != null && e.target !== bindedHex.get(0) || bindedHex == null)) return;
       if (!validateKey(e)) return e;
+
       switch (e.target) {
         case red.get(0):
           red.val(setValueInRange.call($this, red.val(), 0, 255));
           color.val('r', red.val(), e.target);
           break;
+
         case green.get(0):
           green.val(setValueInRange.call($this, green.val(), 0, 255));
           color.val('g', green.val(), e.target);
           break;
+
         case blue.get(0):
           blue.val(setValueInRange.call($this, blue.val(), 0, 255));
           color.val('b', blue.val(), e.target);
           break;
+
         case alpha && alpha.get(0):
           alpha.val(setValueInRange.call($this, alpha.val(), 0, 100));
           color.val('a', toFixedNumeric(alpha.val() * 255 / 100, alphaPrecision), e.target);
           break;
+
         case hue.get(0):
           hue.val(setValueInRange.call($this, hue.val(), 0, 360));
           color.val('h', hue.val(), e.target);
           break;
+
         case saturation.get(0):
           saturation.val(setValueInRange.call($this, saturation.val(), 0, 100));
           color.val('s', saturation.val(), e.target);
           break;
+
         case value.get(0):
           value.val(setValueInRange.call($this, value.val(), 0, 100));
           color.val('v', value.val(), e.target);
           break;
+
         case hex.get(0):
           hex.val(hex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 6));
           bindedHex && bindedHex.val(hex.val());
           color.val('hex', hex.val() !== '' ? hex.val() : null, e.target);
           break;
+
         case bindedHex && bindedHex.get(0):
           bindedHex.val(bindedHex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 6));
           hex.val(bindedHex.val());
           color.val('hex', bindedHex.val() !== '' ? bindedHex.val() : null, e.target);
           break;
+
         case ahex && ahex.get(0):
           ahex.val(ahex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 2));
           color.val('a', ahex.val() != null ? parseInt(ahex.val(), 16) : null, e.target);
           break;
       }
-    }
-    // input box blur - reset to original if value empty
+    } // input box blur - reset to original if value empty
+
+
     function blur(e) {
       if (color.val() != null) {
         switch (e.target) {
           case red.get(0):
-            red.val(color.val('r'));break;
+            red.val(color.val('r'));
+            break;
+
           case green.get(0):
-            green.val(color.val('g'));break;
+            green.val(color.val('g'));
+            break;
+
           case blue.get(0):
-            blue.val(color.val('b'));break;
+            blue.val(color.val('b'));
+            break;
+
           case alpha && alpha.get(0):
-            alpha.val(toFixedNumeric(color.val('a') * 100 / 255, alphaPrecision));break;
+            alpha.val(toFixedNumeric(color.val('a') * 100 / 255, alphaPrecision));
+            break;
+
           case hue.get(0):
-            hue.val(color.val('h'));break;
+            hue.val(color.val('h'));
+            break;
+
           case saturation.get(0):
-            saturation.val(color.val('s'));break;
+            saturation.val(color.val('s'));
+            break;
+
           case value.get(0):
-            value.val(color.val('v'));break;
+            value.val(color.val('v'));
+            break;
+
           case hex.get(0):
           case bindedHex && bindedHex.get(0):
             hex.val(color.val('hex'));
             bindedHex && bindedHex.val(color.val('hex'));
             break;
+
           case ahex && ahex.get(0):
-            ahex.val(color.val('ahex').substring(6));break;
+            ahex.val(color.val('ahex').substring(6));
+            break;
         }
       }
     }
+
     function validateKey(e) {
       switch (e.keyCode) {
         case 9:
@@ -22877,19 +24712,23 @@ var jPicker = function jPicker($) {
         case 37:
         case 39:
           return false;
+
         case 'c'.charCodeAt():
         case 'v'.charCodeAt():
           if (e.ctrlKey) return false;
       }
+
       return true;
-    }
-    // constrain value within range
+    } // constrain value within range
+
+
     function setValueInRange(value, min, max) {
       if (value === '' || isNaN(value)) return min;
       if (value > max) return max;
       if (value < min) return min;
       return value;
     }
+
     function colorChanged(ui, context) {
       var all = ui.val('all');
       if (context !== red.get(0)) red.val(all != null ? all.r : '');
@@ -22903,6 +24742,7 @@ var jPicker = function jPicker($) {
       if (bindedHex && context !== bindedHex.get(0) && context !== hex.get(0)) bindedHex.val(all != null ? all.hex : '');
       if (ahex && context !== ahex.get(0)) ahex.val(all != null ? all.ahex.substring(6) : '');
     }
+
     function destroy() {
       // unbind all events and null objects
       red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).add(hex).add(bindedHex).add(ahex).unbind('keyup', keyUp).unbind('blur', blur);
@@ -22918,6 +24758,7 @@ var jPicker = function jPicker($) {
       hex = null;
       ahex = null;
     }
+
     var red = inputs.eq(3),
         green = inputs.eq(4),
         blue = inputs.eq(5),
@@ -22935,7 +24776,6 @@ var jPicker = function jPicker($) {
     red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).bind('keydown', keyDown);
     color.bind(colorChanged);
   }
-
   /**
   * @typedef {PlainObject} module:jPicker.JPickerInit
   * @property {Integer} a
@@ -22953,12 +24793,17 @@ var jPicker = function jPicker($) {
   * @namespace {PlainObject} jPicker
   * @memberof external:jQuery
   */
-  $.jPicker = /** @lends external:jQuery.jPicker */{
+
+
+  $.jPicker =
+  /** @lends external:jQuery.jPicker */
+  {
     /**
     * Array holding references to each active instance of the jPicker control
     * @type {external:jQuery.fn.$.fn.jPicker[]}
     */
     List: [],
+
     /**
     * Color object - we will be able to assign by any color space type or
     * retrieve any color space info.
@@ -22972,102 +24817,149 @@ var jPicker = function jPicker($) {
     */
     Color: function Color(init) {
       var $this = this;
+
       function fireChangeEvents(context) {
         for (var i = 0; i < changeEvents.length; i++) {
           changeEvents[i].call($this, $this, context);
         }
       }
+
       function val(name, value, context) {
         // Kind of ugly
-        var set$$1 = Boolean(value);
-        if (set$$1 && value.ahex === '') value.ahex = '00000000';
-        if (!set$$1) {
+        var set = Boolean(value);
+        if (set && value.ahex === '') value.ahex = '00000000';
+
+        if (!set) {
           if (name === undefined || name == null || name === '') name = 'all';
           if (r == null) return null;
+
           switch (name.toLowerCase()) {
             case 'ahex':
-              return ColorMethods.rgbaToHex({ r: r, g: g, b: b, a: a });
+              return ColorMethods.rgbaToHex({
+                r: r,
+                g: g,
+                b: b,
+                a: a
+              });
+
             case 'hex':
               return val('ahex').substring(0, 6);
+
             case 'all':
-              return { r: r, g: g, b: b, a: a, h: h, s: s, v: v, hex: val.call($this, 'hex'), ahex: val.call($this, 'ahex') };
+              return {
+                r: r,
+                g: g,
+                b: b,
+                a: a,
+                h: h,
+                s: s,
+                v: v,
+                hex: val.call($this, 'hex'),
+                ahex: val.call($this, 'ahex')
+              };
+
             default:
               var ret = {};
+
               for (var i = 0; i < name.length; i++) {
                 switch (name.charAt(i)) {
                   case 'r':
                     if (name.length === 1) ret = r;else ret.r = r;
                     break;
+
                   case 'g':
                     if (name.length === 1) ret = g;else ret.g = g;
                     break;
+
                   case 'b':
                     if (name.length === 1) ret = b;else ret.b = b;
                     break;
+
                   case 'a':
                     if (name.length === 1) ret = a;else ret.a = a;
                     break;
+
                   case 'h':
                     if (name.length === 1) ret = h;else ret.h = h;
                     break;
+
                   case 's':
                     if (name.length === 1) ret = s;else ret.s = s;
                     break;
+
                   case 'v':
                     if (name.length === 1) ret = v;else ret.v = v;
                     break;
                 }
               }
+
               return !name.length ? val.call($this, 'all') : ret;
           }
         }
+
         if (context != null && context === $this) return;
         if (name == null) name = '';
-
         var changed = false;
+
         if (value == null) {
           if (r != null) {
             r = null;
             changed = true;
           }
+
           if (g != null) {
             g = null;
             changed = true;
           }
+
           if (b != null) {
             b = null;
             changed = true;
           }
+
           if (a != null) {
             a = null;
             changed = true;
           }
+
           if (h != null) {
             h = null;
             changed = true;
           }
+
           if (s != null) {
             s = null;
             changed = true;
           }
+
           if (v != null) {
             v = null;
             changed = true;
           }
+
           changed && fireChangeEvents.call($this, context || $this);
           return;
         }
+
         switch (name.toLowerCase()) {
           case 'ahex':
           case 'hex':
             var _ret = ColorMethods.hexToRgba(value && (value.ahex || value.hex) || value || 'none');
-            val.call($this, 'rgba', { r: _ret.r, g: _ret.g, b: _ret.b, a: name === 'ahex' ? _ret.a : a != null ? a : 255 }, context);
+
+            val.call($this, 'rgba', {
+              r: _ret.r,
+              g: _ret.g,
+              b: _ret.b,
+              a: name === 'ahex' ? _ret.a : a != null ? a : 255
+            }, context);
             break;
+
           default:
             if (value && (value.ahex != null || value.hex != null)) {
               val.call($this, 'ahex', value.ahex || value.hex || '00000000', context);
               return;
             }
+
             var newV = {};
             var rgb = false,
                 hsv = false;
@@ -23078,6 +24970,7 @@ var jPicker = function jPicker($) {
             if (value.h !== undefined && !name.includes('h')) name += 'h';
             if (value.s !== undefined && !name.includes('s')) name += 's';
             if (value.v !== undefined && !name.includes('v')) name += 'v';
+
             for (var _i = 0; _i < name.length; _i++) {
               switch (name.charAt(_i)) {
                 case 'r':
@@ -23085,84 +24978,104 @@ var jPicker = function jPicker($) {
                   rgb = true;
                   newV.r = value.r && value.r | 0 || value | 0 || 0;
                   if (newV.r < 0) newV.r = 0;else if (newV.r > 255) newV.r = 255;
+
                   if (r !== newV.r) {
                     r = newV.r;
-
                     changed = true;
                   }
+
                   break;
+
                 case 'g':
                   if (hsv) continue;
                   rgb = true;
                   newV.g = value && value.g && value.g | 0 || value && value | 0 || 0;
                   if (newV.g < 0) newV.g = 0;else if (newV.g > 255) newV.g = 255;
+
                   if (g !== newV.g) {
                     g = newV.g;
-
                     changed = true;
                   }
+
                   break;
+
                 case 'b':
                   if (hsv) continue;
                   rgb = true;
                   newV.b = value && value.b && value.b | 0 || value && value | 0 || 0;
                   if (newV.b < 0) newV.b = 0;else if (newV.b > 255) newV.b = 255;
+
                   if (b !== newV.b) {
                     b = newV.b;
-
                     changed = true;
                   }
+
                   break;
+
                 case 'a':
                   newV.a = value && value.a != null ? value.a | 0 : value | 0;
                   if (newV.a < 0) newV.a = 0;else if (newV.a > 255) newV.a = 255;
+
                   if (a !== newV.a) {
                     a = newV.a;
-
                     changed = true;
                   }
+
                   break;
+
                 case 'h':
                   if (rgb) continue;
                   hsv = true;
                   newV.h = value && value.h && value.h | 0 || value && value | 0 || 0;
                   if (newV.h < 0) newV.h = 0;else if (newV.h > 360) newV.h = 360;
+
                   if (h !== newV.h) {
                     h = newV.h;
-
                     changed = true;
                   }
+
                   break;
+
                 case 's':
                   if (rgb) continue;
                   hsv = true;
                   newV.s = value.s != null ? value.s | 0 : value | 0;
                   if (newV.s < 0) newV.s = 0;else if (newV.s > 100) newV.s = 100;
+
                   if (s !== newV.s) {
                     s = newV.s;
-
                     changed = true;
                   }
+
                   break;
+
                 case 'v':
                   if (rgb) continue;
                   hsv = true;
                   newV.v = value.v != null ? value.v | 0 : value | 0;
                   if (newV.v < 0) newV.v = 0;else if (newV.v > 100) newV.v = 100;
+
                   if (v !== newV.v) {
                     v = newV.v;
-
                     changed = true;
                   }
+
                   break;
               }
             }
+
             if (changed) {
               if (rgb) {
                 r = r || 0;
                 g = g || 0;
                 b = b || 0;
-                var _ret2 = ColorMethods.rgbToHsv({ r: r, g: g, b: b });
+
+                var _ret2 = ColorMethods.rgbToHsv({
+                  r: r,
+                  g: g,
+                  b: b
+                });
+
                 h = _ret2.h;
                 s = _ret2.s;
                 v = _ret2.v;
@@ -23170,39 +25083,51 @@ var jPicker = function jPicker($) {
                 h = h || 0;
                 s = s != null ? s : 100;
                 v = v != null ? v : 100;
-                var _ret3 = ColorMethods.hsvToRgb({ h: h, s: s, v: v });
+
+                var _ret3 = ColorMethods.hsvToRgb({
+                  h: h,
+                  s: s,
+                  v: v
+                });
+
                 r = _ret3.r;
                 g = _ret3.g;
                 b = _ret3.b;
               }
+
               a = a != null ? a : 255;
               fireChangeEvents.call($this, context || $this);
             }
+
             break;
         }
       }
+
       function bind(callback) {
         if (typeof callback === 'function') changeEvents.push(callback);
       }
+
       function unbind(callback) {
         if (typeof callback !== 'function') return;
-        var i = void 0;
+        var i;
+
         while (i = changeEvents.includes(callback)) {
           changeEvents.splice(i, 1);
         }
       }
+
       function destroy() {
         changeEvents = null;
       }
-      var r = void 0,
-          g = void 0,
-          b = void 0,
-          a = void 0,
-          h = void 0,
-          s = void 0,
-          v = void 0,
-          changeEvents = [];
 
+      var r,
+          g,
+          b,
+          a,
+          h,
+          s,
+          v,
+          changeEvents = [];
       $.extend(true, $this, {
         // public properties and methods
         val: val,
@@ -23210,11 +25135,14 @@ var jPicker = function jPicker($) {
         unbind: unbind,
         destroy: destroy
       });
+
       if (init) {
         if (init.ahex != null) {
           val('ahex', init);
         } else if (init.hex != null) {
-          val((init.a != null ? 'a' : '') + 'hex', init.a != null ? { ahex: init.hex + ColorMethods.intToHex(init.a) } : init);
+          val((init.a != null ? 'a' : '') + 'hex', init.a != null ? {
+            ahex: init.hex + ColorMethods.intToHex(init.a)
+          } : init);
         } else if (init.r != null && init.g != null && init.b != null) {
           val('rgb' + (init.a != null ? 'a' : ''), init);
         } else if (init.h != null && init.s != null && init.v != null) {
@@ -23222,6 +25150,7 @@ var jPicker = function jPicker($) {
         }
       }
     },
+
     /**
     * color conversion methods  - make public to give use to external scripts
     * @namespace
@@ -23234,24 +25163,32 @@ var jPicker = function jPicker($) {
       * @property {Integer} b
       * @property {Integer} a
       */
+
       /**
       * @typedef {PlainObject} module:jPicker.RGB
       * @property {Integer} r
       * @property {Integer} g
       * @property {Integer} b
       */
+
       /**
       * @param {string} hex
       * @returns {module:jPicker.RGBA}
       */
       hexToRgba: function hexToRgba(hex) {
-        if (hex === '' || hex === 'none') return { r: null, g: null, b: null, a: null };
+        if (hex === '' || hex === 'none') return {
+          r: null,
+          g: null,
+          b: null,
+          a: null
+        };
         hex = this.validateHex(hex);
         var r = '00',
             g = '00',
             b = '00',
             a = '255';
         if (hex.length === 6) hex += 'ff';
+
         if (hex.length > 6) {
           r = hex.substring(0, 2);
           g = hex.substring(2, 4);
@@ -23262,14 +25199,20 @@ var jPicker = function jPicker($) {
             r = hex.substring(4, hex.length);
             hex = hex.substring(0, 4);
           }
+
           if (hex.length > 2) {
             g = hex.substring(2, hex.length);
             hex = hex.substring(0, 2);
           }
+
           if (hex.length > 0) b = hex.substring(0, hex.length);
         }
+
         return {
-          r: this.hexToInt(r), g: this.hexToInt(g), b: this.hexToInt(b), a: this.hexToInt(a)
+          r: this.hexToInt(r),
+          g: this.hexToInt(g),
+          b: this.hexToInt(b),
+          a: this.hexToInt(a)
         };
       },
 
@@ -23316,6 +25259,7 @@ var jPicker = function jPicker($) {
       * @property {Integer} s
       * @property {Integer} v
       */
+
       /**
       * @param {module:jPicker.RGB} rgb
       * @returns {module:jPicker.HSV}
@@ -23324,9 +25268,14 @@ var jPicker = function jPicker($) {
         var r = rgb.r / 255,
             g = rgb.g / 255,
             b = rgb.b / 255,
-            hsv = { h: 0, s: 0, v: 0 };
+            hsv = {
+          h: 0,
+          s: 0,
+          v: 0
+        };
         var min = 0,
             max = 0;
+
         if (r >= g && r >= b) {
           max = r;
           min = g > b ? b : g;
@@ -23337,9 +25286,10 @@ var jPicker = function jPicker($) {
           max = b;
           min = g > r ? r : g;
         }
+
         hsv.v = max;
         hsv.s = max ? (max - min) / max : 0;
-        var delta = void 0;
+        var delta;
         if (!hsv.s) hsv.h = 0;else {
           delta = max - min;
           if (r === max) hsv.h = (g - b) / delta;else if (g === max) hsv.h = 2 + (b - r) / delta;else hsv.h = 4 + (r - g) / delta;
@@ -23356,7 +25306,12 @@ var jPicker = function jPicker($) {
       * @returns {module:jPicker.RGB}
       */
       hsvToRgb: function hsvToRgb(hsv) {
-        var rgb = { r: 0, g: 0, b: 0, a: 100 };
+        var rgb = {
+          r: 0,
+          g: 0,
+          b: 0,
+          a: 100
+        };
         var h = hsv.h,
             s = hsv.s,
             v = hsv.v;
@@ -23373,42 +25328,50 @@ var jPicker = function jPicker($) {
               p = v * (1 - s),
               q = v * (1 - s * f),
               t = v * (1 - s * (1 - f));
+
           switch (i) {
             case 0:
               rgb.r = v;
               rgb.g = t;
               rgb.b = p;
               break;
+
             case 1:
               rgb.r = q;
               rgb.g = v;
               rgb.b = p;
               break;
+
             case 2:
               rgb.r = p;
               rgb.g = v;
               rgb.b = t;
               break;
+
             case 3:
               rgb.r = p;
               rgb.g = q;
               rgb.b = v;
               break;
+
             case 4:
               rgb.r = t;
               rgb.g = p;
               rgb.b = v;
               break;
+
             case 5:
               rgb.r = v;
               rgb.g = p;
               rgb.b = q;
               break;
           }
+
           rgb.r = rgb.r * 255 | 0;
           rgb.g = rgb.g * 255 | 0;
           rgb.b = rgb.b * 255 | 0;
         }
+
         return rgb;
       }
     }
@@ -23417,10 +25380,12 @@ var jPicker = function jPicker($) {
       Color = _$$jPicker.Color,
       List = _$$jPicker.List,
       ColorMethods = _$$jPicker.ColorMethods; // local copies for YUI compressor
+
   /**
    * @function external:jQuery.fn.jPicker
    * @see {@link external:jQuery.fn.$.fn.jPicker}
    */
+
   /**
   * While it would seem this should specify the name `jPicker` for JSDoc, that doesn't
   *   get us treated as a function as well as a namespace (even with `@function name`),
@@ -23436,6 +25401,7 @@ var jPicker = function jPicker($) {
     return this.each(function () {
       var $this = this,
           settings = $.extend(true, {}, $.fn.jPicker.defaults, options); // local copies for YUI compressor
+
       if ($($this).get(0).nodeName.toLowerCase() === 'input') {
         // Add color picker icon if binding to an input element and bind the events to the input
         $.extend(true, settings, {
@@ -23445,32 +25411,47 @@ var jPicker = function jPicker($) {
             input: $($this)
           }
         });
+
         if ($($this).val() === '') {
-          settings.color.active = new Color({ hex: null });
-          settings.color.current = new Color({ hex: null });
+          settings.color.active = new Color({
+            hex: null
+          });
+          settings.color.current = new Color({
+            hex: null
+          });
         } else if (ColorMethods.validateHex($($this).val())) {
-          settings.color.active = new Color({ hex: $($this).val(), a: settings.color.active.val('a') });
-          settings.color.current = new Color({ hex: $($this).val(), a: settings.color.active.val('a') });
+          settings.color.active = new Color({
+            hex: $($this).val(),
+            a: settings.color.active.val('a')
+          });
+          settings.color.current = new Color({
+            hex: $($this).val(),
+            a: settings.color.active.val('a')
+          });
         }
       }
+
       if (settings.window.expandable) {
         $($this).after('<span class="jPicker"><span class="Icon"><span class="Color">&nbsp;</span><span class="Alpha">&nbsp;</span><span class="Image" title="Click To Open Color Picker">&nbsp;</span><span class="Container">&nbsp;</span></span></span>');
       } else {
         settings.window.liveUpdate = false; // Basic control binding for inline use - You will need to override the liveCallback or commitCallback function to retrieve results
       }
+
       var isLessThanIE7 = parseFloat(navigator.appVersion.split('MSIE')[1]) < 7 && document.body.filters; // needed to run the AlphaImageLoader function for IE6
       // set color mode and update visuals for the new color mode
+
       /**
        *
        * @param {"h"|"s"|"v"|"r"|"g"|"b"|"a"} colorMode [description]
        * @throws {Error} Invalid mode
        */
+
       function setColorMode(colorMode) {
         var active = color.active,
             hex = active.val('hex');
-        var rgbMap = void 0,
-            rgbBar = void 0;
+        var rgbMap, rgbBar;
         settings.color.mode = colorMode;
+
         switch (colorMode) {
           case 'h':
             setTimeout(function () {
@@ -23491,12 +25472,24 @@ var jPicker = function jPicker($) {
               setImgLoc.call($this, colorBarL6, 260);
               setAlpha.call($this, colorBarL6, 100);
             }, 0);
-            colorMap.range('all', { minX: 0, maxX: 100, minY: 0, maxY: 100 });
-            colorBar.range('rangeY', { minY: 0, maxY: 360 });
+            colorMap.range('all', {
+              minX: 0,
+              maxX: 100,
+              minY: 0,
+              maxY: 100
+            });
+            colorBar.range('rangeY', {
+              minY: 0,
+              maxY: 360
+            });
             if (active.val('ahex') == null) break;
-            colorMap.val('xy', { x: active.val('s'), y: 100 - active.val('v') }, colorMap);
+            colorMap.val('xy', {
+              x: active.val('s'),
+              y: 100 - active.val('v')
+            }, colorMap);
             colorBar.val('y', 360 - active.val('h'), colorBar);
             break;
+
           case 's':
             setTimeout(function () {
               setBG.call($this, colorMapDiv, 'transparent');
@@ -23507,12 +25500,24 @@ var jPicker = function jPicker($) {
               setImgLoc.call($this, colorBarL6, 260);
               setAlpha.call($this, colorBarL6, 100);
             }, 0);
-            colorMap.range('all', { minX: 0, maxX: 360, minY: 0, maxY: 100 });
-            colorBar.range('rangeY', { minY: 0, maxY: 100 });
+            colorMap.range('all', {
+              minX: 0,
+              maxX: 360,
+              minY: 0,
+              maxY: 100
+            });
+            colorBar.range('rangeY', {
+              minY: 0,
+              maxY: 100
+            });
             if (active.val('ahex') == null) break;
-            colorMap.val('xy', { x: active.val('h'), y: 100 - active.val('v') }, colorMap);
+            colorMap.val('xy', {
+              x: active.val('h'),
+              y: 100 - active.val('v')
+            }, colorMap);
             colorBar.val('y', 100 - active.val('s'), colorBar);
             break;
+
           case 'v':
             setTimeout(function () {
               setBG.call($this, colorMapDiv, '000000');
@@ -23525,39 +25530,87 @@ var jPicker = function jPicker($) {
               setImgLoc.call($this, colorBarL6, 260);
               setAlpha.call($this, colorBarL6, 100);
             }, 0);
-            colorMap.range('all', { minX: 0, maxX: 360, minY: 0, maxY: 100 });
-            colorBar.range('rangeY', { minY: 0, maxY: 100 });
+            colorMap.range('all', {
+              minX: 0,
+              maxX: 360,
+              minY: 0,
+              maxY: 100
+            });
+            colorBar.range('rangeY', {
+              minY: 0,
+              maxY: 100
+            });
             if (active.val('ahex') == null) break;
-            colorMap.val('xy', { x: active.val('h'), y: 100 - active.val('s') }, colorMap);
+            colorMap.val('xy', {
+              x: active.val('h'),
+              y: 100 - active.val('s')
+            }, colorMap);
             colorBar.val('y', 100 - active.val('v'), colorBar);
             break;
+
           case 'r':
             rgbMap = -1040;
             rgbBar = -780;
-            colorMap.range('all', { minX: 0, maxX: 255, minY: 0, maxY: 255 });
-            colorBar.range('rangeY', { minY: 0, maxY: 255 });
+            colorMap.range('all', {
+              minX: 0,
+              maxX: 255,
+              minY: 0,
+              maxY: 255
+            });
+            colorBar.range('rangeY', {
+              minY: 0,
+              maxY: 255
+            });
             if (active.val('ahex') == null) break;
-            colorMap.val('xy', { x: active.val('b'), y: 255 - active.val('g') }, colorMap);
+            colorMap.val('xy', {
+              x: active.val('b'),
+              y: 255 - active.val('g')
+            }, colorMap);
             colorBar.val('y', 255 - active.val('r'), colorBar);
             break;
+
           case 'g':
             rgbMap = -1560;
             rgbBar = -1820;
-            colorMap.range('all', { minX: 0, maxX: 255, minY: 0, maxY: 255 });
-            colorBar.range('rangeY', { minY: 0, maxY: 255 });
+            colorMap.range('all', {
+              minX: 0,
+              maxX: 255,
+              minY: 0,
+              maxY: 255
+            });
+            colorBar.range('rangeY', {
+              minY: 0,
+              maxY: 255
+            });
             if (active.val('ahex') == null) break;
-            colorMap.val('xy', { x: active.val('b'), y: 255 - active.val('r') }, colorMap);
+            colorMap.val('xy', {
+              x: active.val('b'),
+              y: 255 - active.val('r')
+            }, colorMap);
             colorBar.val('y', 255 - active.val('g'), colorBar);
             break;
+
           case 'b':
             rgbMap = -2080;
             rgbBar = -2860;
-            colorMap.range('all', { minX: 0, maxX: 255, minY: 0, maxY: 255 });
-            colorBar.range('rangeY', { minY: 0, maxY: 255 });
+            colorMap.range('all', {
+              minX: 0,
+              maxX: 255,
+              minY: 0,
+              maxY: 255
+            });
+            colorBar.range('rangeY', {
+              minY: 0,
+              maxY: 255
+            });
             if (active.val('ahex') == null) break;
-            colorMap.val('xy', { x: active.val('r'), y: 255 - active.val('g') }, colorMap);
+            colorMap.val('xy', {
+              x: active.val('r'),
+              y: 255 - active.val('g')
+            }, colorMap);
             colorBar.val('y', 255 - active.val('b'), colorBar);
             break;
+
           case 'a':
             setTimeout(function () {
               setBG.call($this, colorMapDiv, 'transparent');
@@ -23569,18 +25622,32 @@ var jPicker = function jPicker($) {
               setImgLoc.call($this, colorBarL6, 0);
               setAlpha.call($this, colorBarL6, 100);
             }, 0);
-            colorMap.range('all', { minX: 0, maxX: 360, minY: 0, maxY: 100 });
-            colorBar.range('rangeY', { minY: 0, maxY: 255 });
+            colorMap.range('all', {
+              minX: 0,
+              maxX: 360,
+              minY: 0,
+              maxY: 100
+            });
+            colorBar.range('rangeY', {
+              minY: 0,
+              maxY: 255
+            });
             if (active.val('ahex') == null) break;
-            colorMap.val('xy', { x: active.val('h'), y: 100 - active.val('v') }, colorMap);
+            colorMap.val('xy', {
+              x: active.val('h'),
+              y: 100 - active.val('v')
+            }, colorMap);
             colorBar.val('y', 255 - active.val('a'), colorBar);
             break;
+
           default:
             throw new Error('Invalid Mode');
         }
+
         switch (colorMode) {
           case 'h':
             break;
+
           case 's':
           case 'v':
           case 'a':
@@ -23593,6 +25660,7 @@ var jPicker = function jPicker($) {
               setAlpha.call($this, colorBarL4, 100);
             }, 0);
             break;
+
           case 'r':
           case 'g':
           case 'b':
@@ -23612,10 +25680,12 @@ var jPicker = function jPicker($) {
             }, 0);
             break;
         }
+
         if (active.val('ahex') == null) return;
         activeColorChanged.call($this, active);
-      }
-      // Update color when user changes text values
+      } // Update color when user changes text values
+
+
       function activeColorChanged(ui, context) {
         if (context == null || context !== colorBar && context !== colorMap) positionMapAndBarArrows.call($this, ui, context);
         setTimeout(function () {
@@ -23623,117 +25693,191 @@ var jPicker = function jPicker($) {
           updateMapVisuals.call($this, ui);
           updateBarVisuals.call($this, ui);
         }, 0);
-      }
-      // user has dragged the ColorMap pointer
+      } // user has dragged the ColorMap pointer
+
+
       function mapValueChanged(ui, context) {
         var active = color.active;
-
         if (context !== colorMap && active.val() == null) return;
         var xy = ui.val('all');
+
         switch (settings.color.mode) {
           case 'h':
-            active.val('sv', { s: xy.x, v: 100 - xy.y }, context);
+            active.val('sv', {
+              s: xy.x,
+              v: 100 - xy.y
+            }, context);
             break;
+
           case 's':
           case 'a':
-            active.val('hv', { h: xy.x, v: 100 - xy.y }, context);
+            active.val('hv', {
+              h: xy.x,
+              v: 100 - xy.y
+            }, context);
             break;
+
           case 'v':
-            active.val('hs', { h: xy.x, s: 100 - xy.y }, context);
+            active.val('hs', {
+              h: xy.x,
+              s: 100 - xy.y
+            }, context);
             break;
+
           case 'r':
-            active.val('gb', { g: 255 - xy.y, b: xy.x }, context);
+            active.val('gb', {
+              g: 255 - xy.y,
+              b: xy.x
+            }, context);
             break;
+
           case 'g':
-            active.val('rb', { r: 255 - xy.y, b: xy.x }, context);
+            active.val('rb', {
+              r: 255 - xy.y,
+              b: xy.x
+            }, context);
             break;
+
           case 'b':
-            active.val('rg', { r: xy.x, g: 255 - xy.y }, context);
+            active.val('rg', {
+              r: xy.x,
+              g: 255 - xy.y
+            }, context);
             break;
         }
-      }
-      // user has dragged the ColorBar slider
+      } // user has dragged the ColorBar slider
+
+
       function colorBarValueChanged(ui, context) {
         var active = color.active;
-
         if (context !== colorBar && active.val() == null) return;
+
         switch (settings.color.mode) {
           case 'h':
-            active.val('h', { h: 360 - ui.val('y') }, context);
+            active.val('h', {
+              h: 360 - ui.val('y')
+            }, context);
             break;
+
           case 's':
-            active.val('s', { s: 100 - ui.val('y') }, context);
+            active.val('s', {
+              s: 100 - ui.val('y')
+            }, context);
             break;
+
           case 'v':
-            active.val('v', { v: 100 - ui.val('y') }, context);
+            active.val('v', {
+              v: 100 - ui.val('y')
+            }, context);
             break;
+
           case 'r':
-            active.val('r', { r: 255 - ui.val('y') }, context);
+            active.val('r', {
+              r: 255 - ui.val('y')
+            }, context);
             break;
+
           case 'g':
-            active.val('g', { g: 255 - ui.val('y') }, context);
+            active.val('g', {
+              g: 255 - ui.val('y')
+            }, context);
             break;
+
           case 'b':
-            active.val('b', { b: 255 - ui.val('y') }, context);
+            active.val('b', {
+              b: 255 - ui.val('y')
+            }, context);
             break;
+
           case 'a':
             active.val('a', 255 - ui.val('y'), context);
             break;
         }
-      }
-      // position map and bar arrows to match current color
+      } // position map and bar arrows to match current color
+
+
       function positionMapAndBarArrows(ui, context) {
         if (context !== colorMap) {
           switch (settings.color.mode) {
             case 'h':
               var sv = ui.val('sv');
-              colorMap.val('xy', { x: sv != null ? sv.s : 100, y: 100 - (sv != null ? sv.v : 100) }, context);
+              colorMap.val('xy', {
+                x: sv != null ? sv.s : 100,
+                y: 100 - (sv != null ? sv.v : 100)
+              }, context);
               break;
+
             case 's':
             case 'a':
               var hv = ui.val('hv');
-              colorMap.val('xy', { x: hv && hv.h || 0, y: 100 - (hv != null ? hv.v : 100) }, context);
+              colorMap.val('xy', {
+                x: hv && hv.h || 0,
+                y: 100 - (hv != null ? hv.v : 100)
+              }, context);
               break;
+
             case 'v':
               var hs = ui.val('hs');
-              colorMap.val('xy', { x: hs && hs.h || 0, y: 100 - (hs != null ? hs.s : 100) }, context);
+              colorMap.val('xy', {
+                x: hs && hs.h || 0,
+                y: 100 - (hs != null ? hs.s : 100)
+              }, context);
               break;
+
             case 'r':
               var bg = ui.val('bg');
-              colorMap.val('xy', { x: bg && bg.b || 0, y: 255 - (bg && bg.g || 0) }, context);
+              colorMap.val('xy', {
+                x: bg && bg.b || 0,
+                y: 255 - (bg && bg.g || 0)
+              }, context);
               break;
+
             case 'g':
               var br = ui.val('br');
-              colorMap.val('xy', { x: br && br.b || 0, y: 255 - (br && br.r || 0) }, context);
+              colorMap.val('xy', {
+                x: br && br.b || 0,
+                y: 255 - (br && br.r || 0)
+              }, context);
               break;
+
             case 'b':
               var rg = ui.val('rg');
-              colorMap.val('xy', { x: rg && rg.r || 0, y: 255 - (rg && rg.g || 0) }, context);
+              colorMap.val('xy', {
+                x: rg && rg.r || 0,
+                y: 255 - (rg && rg.g || 0)
+              }, context);
               break;
           }
         }
+
         if (context !== colorBar) {
           switch (settings.color.mode) {
             case 'h':
               colorBar.val('y', 360 - (ui.val('h') || 0), context);
               break;
+
             case 's':
               var s = ui.val('s');
               colorBar.val('y', 100 - (s != null ? s : 100), context);
               break;
+
             case 'v':
               var v = ui.val('v');
               colorBar.val('y', 100 - (v != null ? v : 100), context);
               break;
+
             case 'r':
               colorBar.val('y', 255 - (ui.val('r') || 0), context);
               break;
+
             case 'g':
               colorBar.val('y', 255 - (ui.val('g') || 0), context);
               break;
+
             case 'b':
               colorBar.val('y', 255 - (ui.val('b') || 0), context);
               break;
+
             case 'a':
               var a = ui.val('a');
               colorBar.val('y', 255 - (a != null ? a : 255), context);
@@ -23741,65 +25885,92 @@ var jPicker = function jPicker($) {
           }
         }
       }
+
       function updatePreview(ui) {
         try {
           var all = ui.val('all');
-          activePreview.css({ backgroundColor: all && '#' + all.hex || 'transparent' });
+          activePreview.css({
+            backgroundColor: all && '#' + all.hex || 'transparent'
+          });
           setAlpha.call($this, activePreview, all && toFixedNumeric(all.a * 100 / 255, 4) || 0);
         } catch (e) {}
       }
+
       function updateMapVisuals(ui) {
         switch (settings.color.mode) {
           case 'h':
-            setBG.call($this, colorMapDiv, new Color({ h: ui.val('h') || 0, s: 100, v: 100 }).val('hex'));
+            setBG.call($this, colorMapDiv, new Color({
+              h: ui.val('h') || 0,
+              s: 100,
+              v: 100
+            }).val('hex'));
             break;
+
           case 's':
           case 'a':
             var s = ui.val('s');
             setAlpha.call($this, colorMapL2, 100 - (s != null ? s : 100));
             break;
+
           case 'v':
             var v = ui.val('v');
             setAlpha.call($this, colorMapL1, v != null ? v : 100);
             break;
+
           case 'r':
             setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('r') || 0) / 255 * 100, 4));
             break;
+
           case 'g':
             setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('g') || 0) / 255 * 100, 4));
             break;
+
           case 'b':
             setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('b') || 0) / 255 * 100));
             break;
         }
+
         var a = ui.val('a');
         setAlpha.call($this, colorMapL3, toFixedNumeric((255 - (a || 0)) * 100 / 255, 4));
       }
+
       function updateBarVisuals(ui) {
         switch (settings.color.mode) {
           case 'h':
             var a = ui.val('a');
             setAlpha.call($this, colorBarL5, toFixedNumeric((255 - (a || 0)) * 100 / 255, 4));
             break;
+
           case 's':
             var hva = ui.val('hva'),
-                saturatedColor = new Color({ h: hva && hva.h || 0, s: 100, v: hva != null ? hva.v : 100 });
+                saturatedColor = new Color({
+              h: hva && hva.h || 0,
+              s: 100,
+              v: hva != null ? hva.v : 100
+            });
             setBG.call($this, colorBarDiv, saturatedColor.val('hex'));
             setAlpha.call($this, colorBarL2, 100 - (hva != null ? hva.v : 100));
             setAlpha.call($this, colorBarL5, toFixedNumeric((255 - (hva && hva.a || 0)) * 100 / 255, 4));
             break;
+
           case 'v':
             var hsa = ui.val('hsa'),
-                valueColor = new Color({ h: hsa && hsa.h || 0, s: hsa != null ? hsa.s : 100, v: 100 });
+                valueColor = new Color({
+              h: hsa && hsa.h || 0,
+              s: hsa != null ? hsa.s : 100,
+              v: 100
+            });
             setBG.call($this, colorBarDiv, valueColor.val('hex'));
             setAlpha.call($this, colorBarL5, toFixedNumeric((255 - (hsa && hsa.a || 0)) * 100 / 255, 4));
             break;
+
           case 'r':
           case 'g':
           case 'b':
             var rgba = ui.val('rgba');
             var hValue = 0,
                 vValue = 0;
+
             if (settings.color.mode === 'r') {
               hValue = rgba && rgba.b || 0;
               vValue = rgba && rgba.g || 0;
@@ -23810,15 +25981,18 @@ var jPicker = function jPicker($) {
               hValue = rgba && rgba.r || 0;
               vValue = rgba && rgba.g || 0;
             }
+
             var middle = vValue > hValue ? hValue : vValue;
             setAlpha.call($this, colorBarL2, hValue > vValue ? toFixedNumeric((hValue - vValue) / (255 - vValue) * 100, 4) : 0);
             setAlpha.call($this, colorBarL3, vValue > hValue ? toFixedNumeric((vValue - hValue) / (255 - hValue) * 100, 4) : 0);
             setAlpha.call($this, colorBarL4, toFixedNumeric(middle / 255 * 100, 4));
             setAlpha.call($this, colorBarL5, toFixedNumeric((255 - (rgba && rgba.a || 0)) * 100 / 255, 4));
             break;
+
           case 'a':
             {
               var _a = ui.val('a');
+
               setBG.call($this, colorBarDiv, ui.val('hex') || '000000');
               setAlpha.call($this, colorBarL5, _a != null ? 0 : 100);
               setAlpha.call($this, colorBarL6, _a != null ? 100 : 0);
@@ -23826,74 +26000,118 @@ var jPicker = function jPicker($) {
             }
         }
       }
+
       function setBG(el, c) {
-        el.css({ backgroundColor: c && c.length === 6 && '#' + c || 'transparent' });
+        el.css({
+          backgroundColor: c && c.length === 6 && '#' + c || 'transparent'
+        });
       }
+
       function setImg(img, src) {
         if (isLessThanIE7 && (src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png'))) {
           img.attr('pngSrc', src);
-          img.css({ backgroundImage: 'none', filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=\'scale\')' });
-        } else img.css({ backgroundImage: 'url(\'' + src + '\')' });
+          img.css({
+            backgroundImage: 'none',
+            filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=\'scale\')'
+          });
+        } else img.css({
+          backgroundImage: 'url(\'' + src + '\')'
+        });
       }
+
       function setImgLoc(img, y) {
-        img.css({ top: y + 'px' });
+        img.css({
+          top: y + 'px'
+        });
       }
+
       function setAlpha(obj, alpha) {
-        obj.css({ visibility: alpha > 0 ? 'visible' : 'hidden' });
+        obj.css({
+          visibility: alpha > 0 ? 'visible' : 'hidden'
+        });
+
         if (alpha > 0 && alpha < 100) {
           if (isLessThanIE7) {
             var src = obj.attr('pngSrc');
+
             if (src != null && (src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png'))) {
-              obj.css({ filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=\'scale\') progid:DXImageTransform.Microsoft.Alpha(opacity=' + alpha + ')' });
-            } else obj.css({ opacity: toFixedNumeric(alpha / 100, 4) });
-          } else obj.css({ opacity: toFixedNumeric(alpha / 100, 4) });
+              obj.css({
+                filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=\'scale\') progid:DXImageTransform.Microsoft.Alpha(opacity=' + alpha + ')'
+              });
+            } else obj.css({
+              opacity: toFixedNumeric(alpha / 100, 4)
+            });
+          } else obj.css({
+            opacity: toFixedNumeric(alpha / 100, 4)
+          });
         } else if (alpha === 0 || alpha === 100) {
           if (isLessThanIE7) {
             var _src = obj.attr('pngSrc');
+
             if (_src != null && (_src.includes('AlphaBar.png') || _src.includes('Bars.png') || _src.includes('Maps.png'))) {
-              obj.css({ filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + _src + '\', sizingMethod=\'scale\')' });
-            } else obj.css({ opacity: '' });
-          } else obj.css({ opacity: '' });
+              obj.css({
+                filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + _src + '\', sizingMethod=\'scale\')'
+              });
+            } else obj.css({
+              opacity: ''
+            });
+          } else obj.css({
+            opacity: ''
+          });
         }
-      }
-      // revert color to original color when opened
+      } // revert color to original color when opened
+
+
       function revertColor() {
         color.active.val('ahex', color.current.val('ahex'));
-      }
-      // commit the color changes
+      } // commit the color changes
+
+
       function commitColor() {
         color.current.val('ahex', color.active.val('ahex'));
       }
+
       function radioClicked(e) {
         $(this).parents('tbody:first').find('input:radio[value!="' + e.target.value + '"]').removeAttr('checked');
         setColorMode.call($this, e.target.value);
       }
+
       function currentClicked() {
         revertColor.call($this);
       }
+
       function cancelClicked() {
         revertColor.call($this);
         settings.window.expandable && hide.call($this);
         typeof cancelCallback === 'function' && cancelCallback.call($this, color.active, cancelButton);
       }
+
       function okClicked() {
         commitColor.call($this);
         settings.window.expandable && hide.call($this);
         typeof commitCallback === 'function' && commitCallback.call($this, color.active, okButton);
       }
+
       function iconImageClicked() {
         show.call($this);
       }
+
       function currentColorChanged(ui, context) {
         var hex = ui.val('hex');
-        currentPreview.css({ backgroundColor: hex && '#' + hex || 'transparent' });
+        currentPreview.css({
+          backgroundColor: hex && '#' + hex || 'transparent'
+        });
         setAlpha.call($this, currentPreview, toFixedNumeric((ui.val('a') || 0) * 100 / 255, 4));
       }
+
       function expandableColorChanged(ui, context) {
         var hex = ui.val('hex');
         var va = ui.val('va');
-        iconColor.css({ backgroundColor: hex && '#' + hex || 'transparent' });
+        iconColor.css({
+          backgroundColor: hex && '#' + hex || 'transparent'
+        });
         setAlpha.call($this, iconAlpha, toFixedNumeric((255 - (va && va.a || 0)) * 100 / 255, 4));
+
         if (settings.window.bindToInput && settings.window.updateInputColor) {
           settings.window.input.css({
             backgroundColor: hex && '#' + hex || 'transparent',
@@ -23901,104 +26119,147 @@ var jPicker = function jPicker($) {
           });
         }
       }
+
       function moveBarMouseDown(e) {
         // const {element} = settings.window, // local copies for YUI compressor
         //     {page} = settings.window;
         elementStartX = parseInt(container.css('left'));
         elementStartY = parseInt(container.css('top'));
         pageStartX = e.pageX;
-        pageStartY = e.pageY;
-        // bind events to document to move window - we will unbind these on mouseup
+        pageStartY = e.pageY; // bind events to document to move window - we will unbind these on mouseup
+
         $(document).bind('mousemove', documentMouseMove).bind('mouseup', documentMouseUp);
         e.preventDefault(); // prevent attempted dragging of the column
       }
+
       function documentMouseMove(e) {
-        container.css({ left: elementStartX - (pageStartX - e.pageX) + 'px', top: elementStartY - (pageStartY - e.pageY) + 'px' });
-        if (settings.window.expandable && !$.support.boxModel) container.prev().css({ left: container.css('left'), top: container.css('top') });
+        container.css({
+          left: elementStartX - (pageStartX - e.pageX) + 'px',
+          top: elementStartY - (pageStartY - e.pageY) + 'px'
+        });
+        if (settings.window.expandable && !$.support.boxModel) container.prev().css({
+          left: container.css('left'),
+          top: container.css('top')
+        });
         e.stopPropagation();
         e.preventDefault();
         return false;
       }
+
       function documentMouseUp(e) {
         $(document).unbind('mousemove', documentMouseMove).unbind('mouseup', documentMouseUp);
         e.stopPropagation();
         e.preventDefault();
         return false;
       }
+
       function quickPickClicked(e) {
         e.preventDefault();
         e.stopPropagation();
         color.active.val('ahex', $(this).attr('title') || null, e.target);
         return false;
       }
+
       function show() {
         color.current.val('ahex', color.active.val('ahex'));
+
         function attachIFrame() {
           if (!settings.window.expandable || $.support.boxModel) return;
           var table = container.find('table:first');
           container.before('<iframe/>');
-          container.prev().css({ width: table.width(), height: container.height(), opacity: 0, position: 'absolute', left: container.css('left'), top: container.css('top') });
+          container.prev().css({
+            width: table.width(),
+            height: container.height(),
+            opacity: 0,
+            position: 'absolute',
+            left: container.css('left'),
+            top: container.css('top')
+          });
         }
+
         if (settings.window.expandable) {
-          $(document.body).children('div.jPicker.Container').css({ zIndex: 10 });
-          container.css({ zIndex: 20 });
+          $(document.body).children('div.jPicker.Container').css({
+            zIndex: 10
+          });
+          container.css({
+            zIndex: 20
+          });
         }
+
         switch (settings.window.effects.type) {
           case 'fade':
             container.fadeIn(settings.window.effects.speed.show, attachIFrame);
             break;
+
           case 'slide':
             container.slideDown(settings.window.effects.speed.show, attachIFrame);
             break;
+
           case 'show':
           default:
             container.show(settings.window.effects.speed.show, attachIFrame);
             break;
         }
       }
+
       function hide() {
         function removeIFrame() {
-          if (settings.window.expandable) container.css({ zIndex: 10 });
+          if (settings.window.expandable) container.css({
+            zIndex: 10
+          });
           if (!settings.window.expandable || $.support.boxModel) return;
           container.prev().remove();
         }
+
         switch (settings.window.effects.type) {
           case 'fade':
             container.fadeOut(settings.window.effects.speed.hide, removeIFrame);
             break;
+
           case 'slide':
             container.slideUp(settings.window.effects.speed.hide, removeIFrame);
             break;
+
           case 'show':
           default:
             container.hide(settings.window.effects.speed.hide, removeIFrame);
             break;
         }
       }
+
       function initialize() {
         var win = settings.window,
             popup = win.expandable ? $($this).next().find('.Container:first') : null;
         container = win.expandable ? $('<div/>') : $($this);
         container.addClass('jPicker Container');
         if (win.expandable) container.hide();
+
         container.get(0).onselectstart = function (event) {
           if (event.target.nodeName.toLowerCase() !== 'input') return false;
-        };
-        // inject html source code - we are using a single table for this control - I know tables are considered bad, but it takes care of equal height columns and
+        }; // inject html source code - we are using a single table for this control - I know tables are considered bad, but it takes care of equal height columns and
         // this control really is tabular data, so I believe it is the right move
+
+
         var all = color.active.val('all');
         if (win.alphaPrecision < 0) win.alphaPrecision = 0;else if (win.alphaPrecision > 2) win.alphaPrecision = 2;
-        var controlHtml = '<table class="jPicker" cellpadding="0" cellspacing="0">\n          <tbody>\n            ' + (win.expandable ? '<tr><td class="Move" colspan="5">&nbsp;</td></tr>' : '') + '\n            <tr>\n              <td rowspan="9"><h2 class="Title">' + (win.title || localization.text.title) + '</h2><div class="Map"><span class="Map1">&nbsp;</span><span class="Map2">&nbsp;</span><span class="Map3">&nbsp;</span><img src="' + (images.clientPath + images.colorMap.arrow.file) + '" class="Arrow"/></div></td>\n              <td rowspan="9"><div class="Bar"><span class="Map1">&nbsp;</span><span class="Map2">&nbsp;</span><span class="Map3">&nbsp;</span><span class="Map4">&nbsp;</span><span class="Map5">&nbsp;</span><span class="Map6">&nbsp;</span><img src="' + (images.clientPath + images.colorBar.arrow.file) + '" class="Arrow"/></div></td>\n              <td colspan="2" class="Preview">' + localization.text.newColor + '<div><span class="Active" title="' + localization.tooltips.colors.newColor + '">&nbsp;</span><span class="Current" title="' + localization.tooltips.colors.currentColor + '">&nbsp;</span></div>' + localization.text.currentColor + '</td>\n              <td rowspan="9" class="Button"><input type="button" class="Ok" value="' + localization.text.ok + '" title="' + localization.tooltips.buttons.ok + '"/><input type="button" class="Cancel" value="' + localization.text.cancel + '" title="' + localization.tooltips.buttons.cancel + '"/><hr/><div class="Grid">&nbsp;</div></td>\n            </tr>\n            <tr class="Hue">\n              <td class="Radio"><label title="' + localization.tooltips.hue.radio + '"><input type="radio" value="h"' + (settings.color.mode === 'h' ? ' checked="checked"' : '') + '/>H:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.h : '') + '" title="' + localization.tooltips.hue.textbox + '"/>&nbsp;&deg;</td>\n            </tr>\n            <tr class="Saturation">\n              <td class="Radio"><label title="' + localization.tooltips.saturation.radio + '"><input type="radio" value="s"' + (settings.color.mode === 's' ? ' checked="checked"' : '') + '/>S:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.s : '') + '" title="' + localization.tooltips.saturation.textbox + '"/>&nbsp;%</td>\n            </tr>\n            <tr class="Value">\n              <td class="Radio"><label title="' + localization.tooltips.value.radio + '"><input type="radio" value="v"' + (settings.color.mode === 'v' ? ' checked="checked"' : '') + '/>V:</label><br/><br/></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.v : '') + '" title="' + localization.tooltips.value.textbox + '"/>&nbsp;%<br/><br/></td>\n            </tr>\n            <tr class="Red">\n              <td class="Radio"><label title="' + localization.tooltips.red.radio + '"><input type="radio" value="r"' + (settings.color.mode === 'r' ? ' checked="checked"' : '') + '/>R:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.r : '') + '" title="' + localization.tooltips.red.textbox + '"/></td>\n            </tr>\n            <tr class="Green">\n              <td class="Radio"><label title="' + localization.tooltips.green.radio + '"><input type="radio" value="g"' + (settings.color.mode === 'g' ? ' checked="checked"' : '') + '/>G:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.g : '') + '" title="' + localization.tooltips.green.textbox + '"/></td>\n            </tr>\n            <tr class="Blue">\n              <td class="Radio"><label title="' + localization.tooltips.blue.radio + '"><input type="radio" value="b"' + (settings.color.mode === 'b' ? ' checked="checked"' : '') + '/>B:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.b : '') + '" title="' + localization.tooltips.blue.textbox + '"/></td>\n            </tr>\n            <tr class="Alpha">\n              <td class="Radio">' + (win.alphaSupport ? '<label title="' + localization.tooltips.alpha.radio + '"><input type="radio" value="a"' + (settings.color.mode === 'a' ? ' checked="checked"' : '') + '/>A:</label>' : '&nbsp;') + '</td>\n              <td class="Text">' + (win.alphaSupport ? '<input type="text" maxlength="' + (3 + win.alphaPrecision) + '" value="' + (all != null ? toFixedNumeric(all.a * 100 / 255, win.alphaPrecision) : '') + '" title="' + localization.tooltips.alpha.textbox + '"/>&nbsp;%' : '&nbsp;') + '</td>\n            </tr>\n            <tr class="Hex">\n              <td colspan="2" class="Text"><label title="' + localization.tooltips.hex.textbox + '">#:<input type="text" maxlength="6" class="Hex" value="' + (all != null ? all.hex : '') + '"/></label>' + (win.alphaSupport ? '<input type="text" maxlength="2" class="AHex" value="' + (all != null ? all.ahex.substring(6) : '') + '" title="' + localization.tooltips.hex.alpha + '"/></td>' : '&nbsp;') + '\n            </tr>\n          </tbody></table>';
+        var controlHtml = "<table class=\"jPicker\" cellpadding=\"0\" cellspacing=\"0\">\n          <tbody>\n            ".concat(win.expandable ? "<tr><td class=\"Move\" colspan=\"5\">&nbsp;</td></tr>" : '', "\n            <tr>\n              <td rowspan=\"9\"><h2 class=\"Title\">").concat(win.title || localization.text.title, "</h2><div class=\"Map\"><span class=\"Map1\">&nbsp;</span><span class=\"Map2\">&nbsp;</span><span class=\"Map3\">&nbsp;</span><img src=\"").concat(images.clientPath + images.colorMap.arrow.file, "\" class=\"Arrow\"/></div></td>\n              <td rowspan=\"9\"><div class=\"Bar\"><span class=\"Map1\">&nbsp;</span><span class=\"Map2\">&nbsp;</span><span class=\"Map3\">&nbsp;</span><span class=\"Map4\">&nbsp;</span><span class=\"Map5\">&nbsp;</span><span class=\"Map6\">&nbsp;</span><img src=\"").concat(images.clientPath + images.colorBar.arrow.file, "\" class=\"Arrow\"/></div></td>\n              <td colspan=\"2\" class=\"Preview\">").concat(localization.text.newColor, "<div><span class=\"Active\" title=\"").concat(localization.tooltips.colors.newColor, "\">&nbsp;</span><span class=\"Current\" title=\"").concat(localization.tooltips.colors.currentColor, "\">&nbsp;</span></div>").concat(localization.text.currentColor, "</td>\n              <td rowspan=\"9\" class=\"Button\"><input type=\"button\" class=\"Ok\" value=\"").concat(localization.text.ok, "\" title=\"").concat(localization.tooltips.buttons.ok, "\"/><input type=\"button\" class=\"Cancel\" value=\"").concat(localization.text.cancel, "\" title=\"").concat(localization.tooltips.buttons.cancel, "\"/><hr/><div class=\"Grid\">&nbsp;</div></td>\n            </tr>\n            <tr class=\"Hue\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.hue.radio, "\"><input type=\"radio\" value=\"h\"").concat(settings.color.mode === 'h' ? ' checked="checked"' : '', "/>H:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.h : '', "\" title=\"").concat(localization.tooltips.hue.textbox, "\"/>&nbsp;&deg;</td>\n            </tr>\n            <tr class=\"Saturation\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.saturation.radio, "\"><input type=\"radio\" value=\"s\"").concat(settings.color.mode === 's' ? ' checked="checked"' : '', "/>S:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.s : '', "\" title=\"").concat(localization.tooltips.saturation.textbox, "\"/>&nbsp;%</td>\n            </tr>\n            <tr class=\"Value\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.value.radio, "\"><input type=\"radio\" value=\"v\"").concat(settings.color.mode === 'v' ? ' checked="checked"' : '', "/>V:</label><br/><br/></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.v : '', "\" title=\"").concat(localization.tooltips.value.textbox, "\"/>&nbsp;%<br/><br/></td>\n            </tr>\n            <tr class=\"Red\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.red.radio, "\"><input type=\"radio\" value=\"r\"").concat(settings.color.mode === 'r' ? ' checked="checked"' : '', "/>R:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.r : '', "\" title=\"").concat(localization.tooltips.red.textbox, "\"/></td>\n            </tr>\n            <tr class=\"Green\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.green.radio, "\"><input type=\"radio\" value=\"g\"").concat(settings.color.mode === 'g' ? ' checked="checked"' : '', "/>G:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.g : '', "\" title=\"").concat(localization.tooltips.green.textbox, "\"/></td>\n            </tr>\n            <tr class=\"Blue\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.blue.radio, "\"><input type=\"radio\" value=\"b\"").concat(settings.color.mode === 'b' ? ' checked="checked"' : '', "/>B:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.b : '', "\" title=\"").concat(localization.tooltips.blue.textbox, "\"/></td>\n            </tr>\n            <tr class=\"Alpha\">\n              <td class=\"Radio\">").concat(win.alphaSupport ? "<label title=\"".concat(localization.tooltips.alpha.radio, "\"><input type=\"radio\" value=\"a\"").concat(settings.color.mode === 'a' ? ' checked="checked"' : '', "/>A:</label>") : '&nbsp;', "</td>\n              <td class=\"Text\">").concat(win.alphaSupport ? "<input type=\"text\" maxlength=\"".concat(3 + win.alphaPrecision, "\" value=\"").concat(all != null ? toFixedNumeric(all.a * 100 / 255, win.alphaPrecision) : '', "\" title=\"").concat(localization.tooltips.alpha.textbox, "\"/>&nbsp;%") : '&nbsp;', "</td>\n            </tr>\n            <tr class=\"Hex\">\n              <td colspan=\"2\" class=\"Text\"><label title=\"").concat(localization.tooltips.hex.textbox, "\">#:<input type=\"text\" maxlength=\"6\" class=\"Hex\" value=\"").concat(all != null ? all.hex : '', "\"/></label>").concat(win.alphaSupport ? "<input type=\"text\" maxlength=\"2\" class=\"AHex\" value=\"".concat(all != null ? all.ahex.substring(6) : '', "\" title=\"").concat(localization.tooltips.hex.alpha, "\"/></td>") : '&nbsp;', "\n            </tr>\n          </tbody></table>");
+
         if (win.expandable) {
           container.html(controlHtml);
+
           if (!$(document.body).children('div.jPicker.Container').length) {
             $(document.body).prepend(container);
           } else {
             $(document.body).children('div.jPicker.Container:last').after(container);
           }
+
           container.mousedown(function () {
-            $(document.body).children('div.jPicker.Container').css({ zIndex: 10 });
-            container.css({ zIndex: 20 });
+            $(document.body).children('div.jPicker.Container').css({
+              zIndex: 10
+            });
+            container.css({
+              zIndex: 20
+            });
           });
           container.css( // positions must be set and display set to absolute before source code injection or IE will size the container to fit the window
           {
@@ -24009,8 +26270,9 @@ var jPicker = function jPicker($) {
         } else {
           container = $($this);
           container.html(controlHtml);
-        }
-        // initialize the objects to the source code just injected
+        } // initialize the objects to the source code just injected
+
+
         var tbody = container.find('tbody:first');
         colorMapDiv = tbody.find('div.Map:first');
         colorBarDiv = tbody.find('div.Bar:first');
@@ -24024,8 +26286,8 @@ var jPicker = function jPicker($) {
         colorBarL3 = BarMaps.filter('.Map3:first');
         colorBarL4 = BarMaps.filter('.Map4:first');
         colorBarL5 = BarMaps.filter('.Map5:first');
-        colorBarL6 = BarMaps.filter('.Map6:first');
-        // create color pickers and maps
+        colorBarL6 = BarMaps.filter('.Map6:first'); // create color pickers and maps
+
         colorMap = new Slider(colorMapDiv, {
           map: {
             width: images.colorMap.width,
@@ -24054,8 +26316,12 @@ var jPicker = function jPicker($) {
         var hex = all != null ? all.hex : null,
             preview = tbody.find('.Preview'),
             button = tbody.find('.Button');
-        activePreview = preview.find('.Active:first').css({ backgroundColor: hex && '#' + hex || 'transparent' });
-        currentPreview = preview.find('.Current:first').css({ backgroundColor: hex && '#' + hex || 'transparent' }).bind('click', currentClicked);
+        activePreview = preview.find('.Active:first').css({
+          backgroundColor: hex && '#' + hex || 'transparent'
+        });
+        currentPreview = preview.find('.Current:first').css({
+          backgroundColor: hex && '#' + hex || 'transparent'
+        }).bind('click', currentClicked);
         setAlpha.call($this, currentPreview, toFixedNumeric(color.current.val('a') * 100 / 255, 4));
         okButton = button.find('.Ok:first').bind('click', okClicked);
         cancelButton = button.find('.Cancel:first').bind('click', cancelClicked);
@@ -24072,13 +26338,16 @@ var jPicker = function jPicker($) {
           setImg.call($this, colorBarL6, images.clientPath + 'AlphaBar.png');
           setImg.call($this, preview.find('div:first'), images.clientPath + 'preview-opacity.png');
         }, 0);
-        tbody.find('td.Radio input').bind('click', radioClicked);
-        // initialize quick list
+        tbody.find('td.Radio input').bind('click', radioClicked); // initialize quick list
+
         if (color.quickList && color.quickList.length > 0) {
           var html = '';
+
           for (var i = 0; i < color.quickList.length; i++) {
             /* if default colors are hex strings, change them to color objects */
-            if (_typeof(color.quickList[i]).toString().toLowerCase() === 'string') color.quickList[i] = new Color({ hex: color.quickList[i] });
+            if (_typeof(color.quickList[i]).toString().toLowerCase() === 'string') color.quickList[i] = new Color({
+              hex: color.quickList[i]
+            });
             var alpha = color.quickList[i].val('a');
             var ahex = color.quickList[i].val('ahex');
             if (!win.alphaSupport && ahex) ahex = ahex.substring(0, 6) + 'ff';
@@ -24086,44 +26355,53 @@ var jPicker = function jPicker($) {
             if (!ahex) ahex = '00000000';
             html += '<span class="QuickColor"' + (' title="#' + ahex + '"') + ' style="background-color:' + (quickHex && '#' + quickHex || '') + ';' + (quickHex ? '' : 'background-image:url(' + images.clientPath + 'NoColor.png)') + (win.alphaSupport && alpha && alpha < 255 ? ';opacity:' + toFixedNumeric(alpha / 255, 4) + ';filter:Alpha(opacity=' + toFixedNumeric(alpha / 2.55, 4) + ')' : '') + '">&nbsp;</span>';
           }
+
           setImg.call($this, grid, images.clientPath + 'bar-opacity.png');
           grid.html(html);
           grid.find('.QuickColor').click(quickPickClicked);
         }
+
         setColorMode.call($this, settings.color.mode);
         color.active.bind(activeColorChanged);
         typeof liveCallback === 'function' && color.active.bind(liveCallback);
-        color.current.bind(currentColorChanged);
-        // bind to input
+        color.current.bind(currentColorChanged); // bind to input
+
         if (win.expandable) {
           $this.icon = popup.parents('.Icon:first');
-          iconColor = $this.icon.find('.Color:first').css({ backgroundColor: hex && '#' + hex || 'transparent' });
+          iconColor = $this.icon.find('.Color:first').css({
+            backgroundColor: hex && '#' + hex || 'transparent'
+          });
           iconAlpha = $this.icon.find('.Alpha:first');
           setImg.call($this, iconAlpha, images.clientPath + 'bar-opacity.png');
           setAlpha.call($this, iconAlpha, toFixedNumeric((255 - (all != null ? all.a : 0)) * 100 / 255, 4));
           iconImage = $this.icon.find('.Image:first').css({
             backgroundImage: 'url(\'' + images.clientPath + images.picker.file + '\')'
           }).bind('click', iconImageClicked);
+
           if (win.bindToInput && win.updateInputColor) {
             win.input.css({
               backgroundColor: hex && '#' + hex || 'transparent',
               color: all == null || all.v > 75 ? '#000000' : '#ffffff'
             });
           }
+
           moveBar = tbody.find('.Move:first').bind('mousedown', moveBarMouseDown);
           color.active.bind(expandableColorChanged);
         } else show.call($this);
       }
+
       function destroy() {
         container.find('td.Radio input').unbind('click', radioClicked);
         currentPreview.unbind('click', currentClicked);
         cancelButton.unbind('click', cancelClicked);
         okButton.unbind('click', okClicked);
+
         if (settings.window.expandable) {
           iconImage.unbind('click', iconImageClicked);
           moveBar.unbind('mousedown', moveBarMouseDown);
           $this.icon = null;
         }
+
         container.find('.QuickColor').unbind('click', quickPickClicked);
         colorMapDiv = null;
         colorBarDiv = null;
@@ -24151,24 +26429,30 @@ var jPicker = function jPicker($) {
         cancelCallback = null;
         liveCallback = null;
         container.html('');
+
         for (var i = 0; i < List.length; i++) {
           if (List[i] === $this) {
             List.splice(i, 1);
           }
         }
       }
+
       var images = settings.images,
           localization = settings.localization; // local copies for YUI compressor
 
       var color = {
-        active: _typeof(settings.color.active).toString().toLowerCase() === 'string' ? new Color({ ahex: !settings.window.alphaSupport && settings.color.active ? settings.color.active.substring(0, 6) + 'ff' : settings.color.active
-        }) : new Color({ ahex: !settings.window.alphaSupport && settings.color.active.val('ahex') ? settings.color.active.val('ahex').substring(0, 6) + 'ff' : settings.color.active.val('ahex')
+        active: _typeof(settings.color.active).toString().toLowerCase() === 'string' ? new Color({
+          ahex: !settings.window.alphaSupport && settings.color.active ? settings.color.active.substring(0, 6) + 'ff' : settings.color.active
+        }) : new Color({
+          ahex: !settings.window.alphaSupport && settings.color.active.val('ahex') ? settings.color.active.val('ahex').substring(0, 6) + 'ff' : settings.color.active.val('ahex')
         }),
-        current: _typeof(settings.color.active).toString().toLowerCase() === 'string' ? new Color({ ahex: !settings.window.alphaSupport && settings.color.active ? settings.color.active.substring(0, 6) + 'ff' : settings.color.active }) : new Color({ ahex: !settings.window.alphaSupport && settings.color.active.val('ahex') ? settings.color.active.val('ahex').substring(0, 6) + 'ff' : settings.color.active.val('ahex')
+        current: _typeof(settings.color.active).toString().toLowerCase() === 'string' ? new Color({
+          ahex: !settings.window.alphaSupport && settings.color.active ? settings.color.active.substring(0, 6) + 'ff' : settings.color.active
+        }) : new Color({
+          ahex: !settings.window.alphaSupport && settings.color.active.val('ahex') ? settings.color.active.val('ahex').substring(0, 6) + 'ff' : settings.color.active.val('ahex')
         }),
         quickList: settings.color.quickList
       };
-
       var elementStartX = null,
           // Used to record the starting css positions for dragging the control
       elementStartY = null,
@@ -24210,16 +26494,19 @@ var jPicker = function jPicker($) {
       commitCallback = typeof $arguments[1] === 'function' ? $arguments[1] : null,
           liveCallback = typeof $arguments[2] === 'function' ? $arguments[2] : null,
           cancelCallback = typeof $arguments[3] === 'function' ? $arguments[3] : null;
-
       $.extend(true, $this, {
         // public properties, methods, and callbacks
-        commitCallback: commitCallback, // commitCallback function can be overridden to return the selected color to a method you specify when the user clicks "OK"
-        liveCallback: liveCallback, // liveCallback function can be overridden to return the selected color to a method you specify in live mode (continuous update)
-        cancelCallback: cancelCallback, // cancelCallback function can be overridden to a method you specify when the user clicks "Cancel"
+        commitCallback: commitCallback,
+        // commitCallback function can be overridden to return the selected color to a method you specify when the user clicks "OK"
+        liveCallback: liveCallback,
+        // liveCallback function can be overridden to return the selected color to a method you specify in live mode (continuous update)
+        cancelCallback: cancelCallback,
+        // cancelCallback function can be overridden to a method you specify when the user clicks "Cancel"
         color: color,
         show: show,
         hide: hide,
         destroy: destroy // destroys this control entirely, removing all events and objects, and removing itself from the List
+
       });
       List.push($this);
       setTimeout(function () {
@@ -24233,17 +26520,20 @@ var jPicker = function jPicker($) {
   * @property {Float} width
   * @property {Float} height
   */
+
   /**
   * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsImagesDimensionsArrow
   * @property {Float} width
   * @property {Float} height
   * @property {external:jQuery.fn.jPickerOptionsIconInfo} arrow
   */
+
   /**
   * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsRadioTextboxLocale
   * @property {string} radio
   * @property {string} textbox
   */
+
   /**
   * @typedef {PlainObject} external:jQuery.fn.jPickerOptions
   * @property {PlainObject} window
@@ -24300,6 +26590,7 @@ var jPicker = function jPicker($) {
   * @property {string} localization.tooltips.hex.textbox
   * @property {string} localization.tooltips.hex.alpha
   */
+
   /**
   * jPicker defaults - you can change anything in this section (such as the
   * clientPath to your images) without fear of breaking the program
@@ -24308,6 +26599,8 @@ var jPicker = function jPicker($) {
   * @borrows external:jQuery.fn.jPickerOptions as external:jQuery.fn.jPicker.defaults
   * @see Source for all of the values
   */
+
+
   $.fn.jPicker.defaults = {
     window: {
       title: null,
@@ -24330,8 +26623,294 @@ var jPicker = function jPicker($) {
     },
     color: {
       mode: 'h',
-      active: new Color({ ahex: '#ffcc00ff' }),
-      quickList: [new Color({ h: 360, s: 33, v: 100 }), new Color({ h: 360, s: 66, v: 100 }), new Color({ h: 360, s: 100, v: 100 }), new Color({ h: 360, s: 100, v: 75 }), new Color({ h: 360, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 100 }), new Color({ h: 30, s: 33, v: 100 }), new Color({ h: 30, s: 66, v: 100 }), new Color({ h: 30, s: 100, v: 100 }), new Color({ h: 30, s: 100, v: 75 }), new Color({ h: 30, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 90 }), new Color({ h: 60, s: 33, v: 100 }), new Color({ h: 60, s: 66, v: 100 }), new Color({ h: 60, s: 100, v: 100 }), new Color({ h: 60, s: 100, v: 75 }), new Color({ h: 60, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 80 }), new Color({ h: 90, s: 33, v: 100 }), new Color({ h: 90, s: 66, v: 100 }), new Color({ h: 90, s: 100, v: 100 }), new Color({ h: 90, s: 100, v: 75 }), new Color({ h: 90, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 70 }), new Color({ h: 120, s: 33, v: 100 }), new Color({ h: 120, s: 66, v: 100 }), new Color({ h: 120, s: 100, v: 100 }), new Color({ h: 120, s: 100, v: 75 }), new Color({ h: 120, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 60 }), new Color({ h: 150, s: 33, v: 100 }), new Color({ h: 150, s: 66, v: 100 }), new Color({ h: 150, s: 100, v: 100 }), new Color({ h: 150, s: 100, v: 75 }), new Color({ h: 150, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 50 }), new Color({ h: 180, s: 33, v: 100 }), new Color({ h: 180, s: 66, v: 100 }), new Color({ h: 180, s: 100, v: 100 }), new Color({ h: 180, s: 100, v: 75 }), new Color({ h: 180, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 40 }), new Color({ h: 210, s: 33, v: 100 }), new Color({ h: 210, s: 66, v: 100 }), new Color({ h: 210, s: 100, v: 100 }), new Color({ h: 210, s: 100, v: 75 }), new Color({ h: 210, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 30 }), new Color({ h: 240, s: 33, v: 100 }), new Color({ h: 240, s: 66, v: 100 }), new Color({ h: 240, s: 100, v: 100 }), new Color({ h: 240, s: 100, v: 75 }), new Color({ h: 240, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 20 }), new Color({ h: 270, s: 33, v: 100 }), new Color({ h: 270, s: 66, v: 100 }), new Color({ h: 270, s: 100, v: 100 }), new Color({ h: 270, s: 100, v: 75 }), new Color({ h: 270, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 10 }), new Color({ h: 300, s: 33, v: 100 }), new Color({ h: 300, s: 66, v: 100 }), new Color({ h: 300, s: 100, v: 100 }), new Color({ h: 300, s: 100, v: 75 }), new Color({ h: 300, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 0 }), new Color({ h: 330, s: 33, v: 100 }), new Color({ h: 330, s: 66, v: 100 }), new Color({ h: 330, s: 100, v: 100 }), new Color({ h: 330, s: 100, v: 75 }), new Color({ h: 330, s: 100, v: 50 }), new Color()]
+      active: new Color({
+        ahex: '#ffcc00ff'
+      }),
+      quickList: [new Color({
+        h: 360,
+        s: 33,
+        v: 100
+      }), new Color({
+        h: 360,
+        s: 66,
+        v: 100
+      }), new Color({
+        h: 360,
+        s: 100,
+        v: 100
+      }), new Color({
+        h: 360,
+        s: 100,
+        v: 75
+      }), new Color({
+        h: 360,
+        s: 100,
+        v: 50
+      }), new Color({
+        h: 180,
+        s: 0,
+        v: 100
+      }), new Color({
+        h: 30,
+        s: 33,
+        v: 100
+      }), new Color({
+        h: 30,
+        s: 66,
+        v: 100
+      }), new Color({
+        h: 30,
+        s: 100,
+        v: 100
+      }), new Color({
+        h: 30,
+        s: 100,
+        v: 75
+      }), new Color({
+        h: 30,
+        s: 100,
+        v: 50
+      }), new Color({
+        h: 180,
+        s: 0,
+        v: 90
+      }), new Color({
+        h: 60,
+        s: 33,
+        v: 100
+      }), new Color({
+        h: 60,
+        s: 66,
+        v: 100
+      }), new Color({
+        h: 60,
+        s: 100,
+        v: 100
+      }), new Color({
+        h: 60,
+        s: 100,
+        v: 75
+      }), new Color({
+        h: 60,
+        s: 100,
+        v: 50
+      }), new Color({
+        h: 180,
+        s: 0,
+        v: 80
+      }), new Color({
+        h: 90,
+        s: 33,
+        v: 100
+      }), new Color({
+        h: 90,
+        s: 66,
+        v: 100
+      }), new Color({
+        h: 90,
+        s: 100,
+        v: 100
+      }), new Color({
+        h: 90,
+        s: 100,
+        v: 75
+      }), new Color({
+        h: 90,
+        s: 100,
+        v: 50
+      }), new Color({
+        h: 180,
+        s: 0,
+        v: 70
+      }), new Color({
+        h: 120,
+        s: 33,
+        v: 100
+      }), new Color({
+        h: 120,
+        s: 66,
+        v: 100
+      }), new Color({
+        h: 120,
+        s: 100,
+        v: 100
+      }), new Color({
+        h: 120,
+        s: 100,
+        v: 75
+      }), new Color({
+        h: 120,
+        s: 100,
+        v: 50
+      }), new Color({
+        h: 180,
+        s: 0,
+        v: 60
+      }), new Color({
+        h: 150,
+        s: 33,
+        v: 100
+      }), new Color({
+        h: 150,
+        s: 66,
+        v: 100
+      }), new Color({
+        h: 150,
+        s: 100,
+        v: 100
+      }), new Color({
+        h: 150,
+        s: 100,
+        v: 75
+      }), new Color({
+        h: 150,
+        s: 100,
+        v: 50
+      }), new Color({
+        h: 180,
+        s: 0,
+        v: 50
+      }), new Color({
+        h: 180,
+        s: 33,
+        v: 100
+      }), new Color({
+        h: 180,
+        s: 66,
+        v: 100
+      }), new Color({
+        h: 180,
+        s: 100,
+        v: 100
+      }), new Color({
+        h: 180,
+        s: 100,
+        v: 75
+      }), new Color({
+        h: 180,
+        s: 100,
+        v: 50
+      }), new Color({
+        h: 180,
+        s: 0,
+        v: 40
+      }), new Color({
+        h: 210,
+        s: 33,
+        v: 100
+      }), new Color({
+        h: 210,
+        s: 66,
+        v: 100
+      }), new Color({
+        h: 210,
+        s: 100,
+        v: 100
+      }), new Color({
+        h: 210,
+        s: 100,
+        v: 75
+      }), new Color({
+        h: 210,
+        s: 100,
+        v: 50
+      }), new Color({
+        h: 180,
+        s: 0,
+        v: 30
+      }), new Color({
+        h: 240,
+        s: 33,
+        v: 100
+      }), new Color({
+        h: 240,
+        s: 66,
+        v: 100
+      }), new Color({
+        h: 240,
+        s: 100,
+        v: 100
+      }), new Color({
+        h: 240,
+        s: 100,
+        v: 75
+      }), new Color({
+        h: 240,
+        s: 100,
+        v: 50
+      }), new Color({
+        h: 180,
+        s: 0,
+        v: 20
+      }), new Color({
+        h: 270,
+        s: 33,
+        v: 100
+      }), new Color({
+        h: 270,
+        s: 66,
+        v: 100
+      }), new Color({
+        h: 270,
+        s: 100,
+        v: 100
+      }), new Color({
+        h: 270,
+        s: 100,
+        v: 75
+      }), new Color({
+        h: 270,
+        s: 100,
+        v: 50
+      }), new Color({
+        h: 180,
+        s: 0,
+        v: 10
+      }), new Color({
+        h: 300,
+        s: 33,
+        v: 100
+      }), new Color({
+        h: 300,
+        s: 66,
+        v: 100
+      }), new Color({
+        h: 300,
+        s: 100,
+        v: 100
+      }), new Color({
+        h: 300,
+        s: 100,
+        v: 75
+      }), new Color({
+        h: 300,
+        s: 100,
+        v: 50
+      }), new Color({
+        h: 180,
+        s: 0,
+        v: 0
+      }), new Color({
+        h: 330,
+        s: 33,
+        v: 100
+      }), new Color({
+        h: 330,
+        s: 66,
+        v: 100
+      }), new Color({
+        h: 330,
+        s: 100,
+        v: 100
+      }), new Color({
+        h: 330,
+        s: 100,
+        v: 75
+      }), new Color({
+        h: 330,
+        s: 100,
+        v: 50
+      }), new Color()]
     },
     images: {
       clientPath: '/jPicker/images/',
@@ -24414,23 +26993,20 @@ var jPicker = function jPicker($) {
   return $;
 };
 
-/* globals jQuery */
-
 var $$a = jQuery;
-
-var langParam = void 0;
-
+var langParam;
 /**
 * @param {"content"|"title"} type
 * @param {module:locale.LocaleSelectorValue} obj
 * @param {boolean} ids
 * @returns {undefined}
 */
+
 var setStrings = function setStrings(type, obj, ids) {
   // Root element to look for element from
   var parent = $$a('#svg_editor').parent();
   Object.entries(obj).forEach(function (_ref) {
-    var _ref2 = slicedToArray(_ref, 2),
+    var _ref2 = _slicedToArray(_ref, 2),
         sel = _ref2[0],
         val = _ref2[1];
 
@@ -24441,7 +27017,9 @@ var setStrings = function setStrings(type, obj, ids) {
     if (ids) {
       sel = '#' + sel;
     }
+
     var $elem = parent.find(sel);
+
     if ($elem.length) {
       var elem = parent.find(sel)[0];
 
@@ -24453,6 +27031,7 @@ var setStrings = function setStrings(type, obj, ids) {
               break;
             }
           }
+
           break;
 
         case 'title':
@@ -24464,7 +27043,6 @@ var setStrings = function setStrings(type, obj, ids) {
     }
   });
 };
-
 /**
 * The "data" property is generally set to an an array of objects with
 * "id" and "title" or "textContent" properties
@@ -24475,23 +27053,24 @@ var setStrings = function setStrings(type, obj, ids) {
 /**
 * @interface module:locale.LocaleEditorInit
 */
+
 /**
  * @function module:locale.LocaleEditorInit#addLangData
  * @param {string} langParam
  * @returns {module:locale.AddLangExtensionLocaleData}
 */
 
-var editor_ = void 0;
+var editor_;
 /**
 * @function init
 * @memberof module:locale
 * @param {module:locale.LocaleEditorInit} editor
 * @returns {undefined}
 */
+
 var init$7 = function init(editor) {
   editor_ = editor;
 };
-
 /**
 * @typedef {PlainObject} module:locale.LangAndData
 * @property {string} langParam
@@ -24504,8 +27083,13 @@ var init$7 = function init(editor) {
 * @fires module:svgcanvas.SvgCanvas#event:ext-addLangData
 * @returns {Promise} Resolves to [`LangAndData`]{@link module:locale.LangAndData}
 */
-var readLang = function () {
-  var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(langData) {
+
+var readLang =
+/*#__PURE__*/
+function () {
+  var _ref3 = _asyncToGenerator(
+  /*#__PURE__*/
+  regeneratorRuntime.mark(function _callee(langData) {
     var more, _langData, tools, properties, config, layers, common, ui, opts;
 
     return regeneratorRuntime.wrap(function _callee$(_context) {
@@ -24517,26 +27101,21 @@ var readLang = function () {
 
           case 2:
             more = _context.sent;
-
             $$a.each(more, function (i, m) {
               if (m.data) {
                 langData = $$a.merge(langData, m.data);
               }
-            });
-
-            // Old locale file, do nothing for now.
+            }); // Old locale file, do nothing for now.
 
             if (langData.tools) {
               _context.next = 6;
               break;
             }
 
-            return _context.abrupt('return');
+            return _context.abrupt("return");
 
           case 6:
             _langData = langData, tools = _langData.tools, properties = _langData.properties, config = _langData.config, layers = _langData.layers, common = _langData.common, ui = _langData.ui;
-
-
             setStrings('content', {
               // copyrightLabel: misc.powered_by, // Currently commented out in svg-editor.html
               curve_segments: properties.curve_segments,
@@ -24545,7 +27124,6 @@ var readLang = function () {
               fit_to_canvas: tools.fit_to_canvas,
               fit_to_layer_content: tools.fit_to_layer_content,
               fit_to_sel: tools.fit_to_sel,
-
               icon_large: config.icon_large,
               icon_medium: config.icon_medium,
               icon_small: config.icon_small,
@@ -24553,19 +27131,15 @@ var readLang = function () {
               image_opt_embed: config.image_opt_embed,
               image_opt_ref: config.image_opt_ref,
               includedImages: config.included_images,
-
               largest_object: tools.largest_object,
-
               layersLabel: layers.layers,
               page: tools.page,
               relativeToLabel: tools.relativeTo,
               selLayerLabel: layers.move_elems_to,
               selectedPredefined: config.select_predefined,
-
               selected_objects: tools.selected_objects,
               smallest_object: tools.smallest_object,
               straight_segments: properties.straight_segments,
-
               svginfo_bg_url: config.editor_img_url + ':',
               svginfo_bg_note: config.editor_bg_note,
               svginfo_change_background: config.background,
@@ -24577,50 +27151,37 @@ var readLang = function () {
               svginfo_lang: config.language,
               svginfo_title: config.doc_title,
               svginfo_width: common.width,
-
               tool_docprops_cancel: common.cancel,
               tool_docprops_save: common.ok,
-
               tool_source_cancel: common.cancel,
               tool_source_save: common.ok,
-
               tool_prefs_cancel: common.cancel,
               tool_prefs_save: common.ok,
-
               sidepanel_handle: layers.layers.split('').join(' '),
-
               tool_clear: tools.new_doc,
               tool_docprops: tools.docprops,
               tool_export: tools.export_img,
               tool_import: tools.import_doc,
               tool_open: tools.open_doc,
               tool_save: tools.save_doc,
-
               svginfo_units_rulers: config.units_and_rulers,
               svginfo_rulers_onoff: config.show_rulers,
               svginfo_unit: config.base_unit,
-
               svginfo_grid_settings: config.grid,
               svginfo_snap_onoff: config.snapping_onoff,
               svginfo_snap_step: config.snapping_stepsize,
               svginfo_grid_color: config.grid_color
-            }, true);
+            }, true); // Context menus
 
-            // Context menus
             opts = {};
-
             $$a.each(['cut', 'copy', 'paste', 'paste_in_place', 'delete', 'group', 'ungroup', 'move_front', 'move_up', 'move_down', 'move_back'], function () {
               opts['#cmenu_canvas a[href="#' + this + '"]'] = tools[this];
             });
-
             $$a.each(['dupe', 'merge_down', 'merge_all'], function () {
               opts['#cmenu_layers a[href="#' + this + '"]'] = layers[this];
             });
-
             opts['#cmenu_layers a[href="#delete"]'] = layers.del;
-
             setStrings('content', opts);
-
             setStrings('title', {
               align_relative_to: tools.align_relative_to,
               circle_cx: properties.circle_cx,
@@ -24718,13 +27279,14 @@ var readLang = function () {
               tool_wireframe: tools.wireframe_mode,
               tool_zoom: tools.mode_zoom,
               url_notice: tools.no_embed
-
             }, true);
-
-            return _context.abrupt('return', { langParam: langParam, langData: langData });
+            return _context.abrupt("return", {
+              langParam: langParam,
+              langData: langData
+            });
 
           case 15:
-          case 'end':
+          case "end":
             return _context.stop();
         }
       }
@@ -24735,7 +27297,6 @@ var readLang = function () {
     return _ref3.apply(this, arguments);
   };
 }();
-
 /**
 * @function module:locale.putLocale
 * @param {string} givenParam
@@ -24746,8 +27307,13 @@ var readLang = function () {
 * @fires module:svgcanvas.SvgCanvas#event:ext-langChanged
 * @returns {Promise} Resolves to result of {@link module:locale.readLang}
 */
-var putLocale = function () {
-  var _ref4 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(givenParam, goodLangs, conf) {
+
+var putLocale =
+/*#__PURE__*/
+function () {
+  var _ref4 = _asyncToGenerator(
+  /*#__PURE__*/
+  regeneratorRuntime.mark(function _callee2(givenParam, goodLangs, conf) {
     var url;
     return regeneratorRuntime.wrap(function _callee2$(_context2) {
       while (1) {
@@ -24757,6 +27323,7 @@ var putLocale = function () {
               langParam = givenParam;
             } else {
               langParam = $$a.pref('lang');
+
               if (!langParam) {
                 if (navigator.userLanguage) {
                   // Explorer
@@ -24767,18 +27334,16 @@ var putLocale = function () {
                 }
               }
 
-              console.log('Lang: ' + langParam);
+              console.log('Lang: ' + langParam); // Set to English if language is not in list of good langs
 
-              // Set to English if language is not in list of good langs
               if (!goodLangs.includes(langParam) && langParam !== 'test') {
                 langParam = 'en';
-              }
-
-              // don't bother on first run if language is English
+              } // don't bother on first run if language is English
               // The following line prevents setLang from running
               //    extensions which depend on updated uiStrings,
               //    so commenting it out.
               // if (langParam.startsWith('en')) {return;}
+
             }
 
             url = conf.langPath + 'lang.' + langParam + '.js';
@@ -24790,10 +27355,10 @@ var putLocale = function () {
 
           case 5:
             _context2.t1 = _context2.sent;
-            return _context2.abrupt('return', (0, _context2.t0)(_context2.t1));
+            return _context2.abrupt("return", (0, _context2.t0)(_context2.t1));
 
           case 7:
-          case 'end':
+          case "end":
             return _context2.stop();
         }
       }
@@ -24806,109 +27371,119 @@ var putLocale = function () {
 }();
 
 function loadStylesheets(stylesheets) {
-    var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
-        beforeDefault = _ref.before,
-        afterDefault = _ref.after,
-        faviconDefault = _ref.favicon,
-        canvasDefault = _ref.canvas,
-        _ref$image = _ref.image,
-        imageDefault = _ref$image === undefined ? true : _ref$image,
-        acceptErrors = _ref.acceptErrors;
+  var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+      beforeDefault = _ref.before,
+      afterDefault = _ref.after,
+      faviconDefault = _ref.favicon,
+      canvasDefault = _ref.canvas,
+      _ref$image = _ref.image,
+      imageDefault = _ref$image === void 0 ? true : _ref$image,
+      acceptErrors = _ref.acceptErrors;
 
-    stylesheets = Array.isArray(stylesheets) ? stylesheets : [stylesheets];
+  stylesheets = Array.isArray(stylesheets) ? stylesheets : [stylesheets];
 
-    function setupLink(stylesheetURL) {
-        var options = {};
-        if (Array.isArray(stylesheetURL)) {
-            var _stylesheetURL = stylesheetURL;
+  function setupLink(stylesheetURL) {
+    var options = {};
 
-            var _stylesheetURL2 = slicedToArray(_stylesheetURL, 2);
+    if (Array.isArray(stylesheetURL)) {
+      var _stylesheetURL = stylesheetURL;
 
-            stylesheetURL = _stylesheetURL2[0];
-            var _stylesheetURL2$ = _stylesheetURL2[1];
-            options = _stylesheetURL2$ === undefined ? {} : _stylesheetURL2$;
-        }
-        var _options = options,
-            _options$favicon = _options.favicon,
-            favicon = _options$favicon === undefined ? faviconDefault : _options$favicon;
-        var _options2 = options,
-            _options2$before = _options2.before,
-            before = _options2$before === undefined ? beforeDefault : _options2$before,
-            _options2$after = _options2.after,
-            after = _options2$after === undefined ? afterDefault : _options2$after,
-            _options2$canvas = _options2.canvas,
-            canvas = _options2$canvas === undefined ? canvasDefault : _options2$canvas,
-            _options2$image = _options2.image,
-            image = _options2$image === undefined ? imageDefault : _options2$image;
+      var _stylesheetURL2 = _slicedToArray(_stylesheetURL, 2);
 
-        function addLink() {
-            if (before) {
-                before.before(link);
-            } else if (after) {
-                after.after(link);
-            } else {
-                document.head.appendChild(link);
-            }
-        }
-
-        var link = document.createElement('link');
-        return new Promise(function (resolve, reject) {
-            var rej = reject;
-            if (acceptErrors) {
-                rej = typeof acceptErrors === 'function' ? function (error) {
-                    acceptErrors({ error: error, stylesheetURL: stylesheetURL, options: options, resolve: resolve, reject: reject });
-                } : resolve;
-            }
-            if (stylesheetURL.endsWith('.css')) {
-                favicon = false;
-            } else if (stylesheetURL.endsWith('.ico')) {
-                favicon = true;
-            }
-            if (favicon) {
-                link.rel = 'shortcut icon';
-                link.type = 'image/x-icon';
-
-                if (image === false) {
-                    link.href = stylesheetURL;
-                    addLink();
-                    resolve(link);
-                    return;
-                }
-
-                var cnv = document.createElement('canvas');
-                cnv.width = 16;
-                cnv.height = 16;
-                var context = cnv.getContext('2d');
-                var img = document.createElement('img');
-                img.addEventListener('error', function (error) {
-                    reject(error);
-                });
-                img.addEventListener('load', function () {
-                    context.drawImage(img, 0, 0);
-                    link.href = canvas ? cnv.toDataURL('image/x-icon') : stylesheetURL;
-                    addLink();
-                    resolve(link);
-                });
-                img.src = stylesheetURL;
-                return;
-            }
-            link.rel = 'stylesheet';
-            link.type = 'text/css';
-            link.href = stylesheetURL;
-            addLink();
-            link.addEventListener('error', function (error) {
-                rej(error);
-            });
-            link.addEventListener('load', function () {
-                resolve(link);
-            });
-        });
+      stylesheetURL = _stylesheetURL2[0];
+      var _stylesheetURL2$ = _stylesheetURL2[1];
+      options = _stylesheetURL2$ === void 0 ? {} : _stylesheetURL2$;
     }
 
-    return Promise.all(stylesheets.map(setupLink));
-}
+    var _options = options,
+        _options$favicon = _options.favicon,
+        favicon = _options$favicon === void 0 ? faviconDefault : _options$favicon;
+    var _options2 = options,
+        _options2$before = _options2.before,
+        before = _options2$before === void 0 ? beforeDefault : _options2$before,
+        _options2$after = _options2.after,
+        after = _options2$after === void 0 ? afterDefault : _options2$after,
+        _options2$canvas = _options2.canvas,
+        canvas = _options2$canvas === void 0 ? canvasDefault : _options2$canvas,
+        _options2$image = _options2.image,
+        image = _options2$image === void 0 ? imageDefault : _options2$image;
 
-/* globals jQuery */
+    function addLink() {
+      if (before) {
+        before.before(link);
+      } else if (after) {
+        after.after(link);
+      } else {
+        document.head.appendChild(link);
+      }
+    }
+
+    var link = document.createElement('link');
+    return new Promise(function (resolve, reject) {
+      var rej = reject;
+
+      if (acceptErrors) {
+        rej = typeof acceptErrors === 'function' ? function (error) {
+          acceptErrors({
+            error: error,
+            stylesheetURL: stylesheetURL,
+            options: options,
+            resolve: resolve,
+            reject: reject
+          });
+        } : resolve;
+      }
+
+      if (stylesheetURL.endsWith('.css')) {
+        favicon = false;
+      } else if (stylesheetURL.endsWith('.ico')) {
+        favicon = true;
+      }
+
+      if (favicon) {
+        link.rel = 'shortcut icon';
+        link.type = 'image/x-icon';
+
+        if (image === false) {
+          link.href = stylesheetURL;
+          addLink();
+          resolve(link);
+          return;
+        }
+
+        var cnv = document.createElement('canvas');
+        cnv.width = 16;
+        cnv.height = 16;
+        var context = cnv.getContext('2d');
+        var img = document.createElement('img');
+        img.addEventListener('error', function (error) {
+          reject(error);
+        });
+        img.addEventListener('load', function () {
+          context.drawImage(img, 0, 0);
+          link.href = canvas ? cnv.toDataURL('image/x-icon') : stylesheetURL;
+          addLink();
+          resolve(link);
+        });
+        img.src = stylesheetURL;
+        return;
+      }
+
+      link.rel = 'stylesheet';
+      link.type = 'text/css';
+      link.href = stylesheetURL;
+      addLink();
+      link.addEventListener('error', function (error) {
+        rej(error);
+      });
+      link.addEventListener('load', function () {
+        resolve(link);
+      });
+    });
+  }
+
+  return Promise.all(stylesheets.map(setupLink));
+}
 
 /**
 * The main module for the visual SVG Editor
@@ -24925,51 +27500,62 @@ function loadStylesheets(stylesheets) {
 * @borrows module:locale.readLang as readLang
 * @borrows module:locale.setStrings as setStrings
 */
-var editor = {};
 
+var editor = {};
 var $$b = [jqPluginJSHotkeys, jqPluginBBQ, jqPluginSVGIcons, jqPluginJGraduate, jqPluginSpinBtn, jqPluginSVG, jQueryContextMenu, jPicker].reduce(function ($, cb) {
   return cb($);
 }, jQuery);
-
 /*
 if (!$.loadingStylesheets) {
   $.loadingStylesheets = [];
 }
 */
+
 var stylesheet = 'svg-editor.css';
+
 if (!$$b.loadingStylesheets.includes(stylesheet)) {
   $$b.loadingStylesheets.push(stylesheet);
 }
+
 var favicon = 'images/logo.png';
+
 if ($$b.loadingStylesheets.some(function (item) {
   return !Array.isArray(item) || item[0] !== favicon;
 })) {
-  $$b.loadingStylesheets.push([favicon, { favicon: true }]);
-}
-
-// EDITOR PROPERTIES: (defined below)
+  $$b.loadingStylesheets.push([favicon, {
+    favicon: true
+  }]);
+} // EDITOR PROPERTIES: (defined below)
 //    curPrefs, curConfig, canvas, storage, uiStrings
 //
 // STATE MAINTENANCE PROPERTIES
+
 /**
 * @type {Float}
 */
+
+
 editor.tool_scale = 1; // Dependent on icon size, so any use to making configurable instead? Used by `jQuery.SpinButton.js`
+
 /**
 * @type {Integer}
 */
+
 editor.exportWindowCt = 0;
 /**
 * @type {boolean}
 */
+
 editor.langChanged = false;
 /**
 * @type {boolean}
 */
+
 editor.showSaveWarning = false;
 /**
 * @type {boolean}
 */
+
 editor.storagePromptClosed = false; // For use with ext-storage.js
 
 var callbacks = [],
@@ -24977,6 +27563,7 @@ var callbacks = [],
 /**
 * @typedef {"s"|"m"|"l"|"xl"|Float} module:SVGEditor.IconSize
 */
+
 /**
 * Preferences
 * @interface module:SVGEditor.Prefs
@@ -24989,18 +27576,23 @@ var callbacks = [],
 * @property {boolean} [export_notice_done=false] Used to track alert status
 * @todo `save_notice_done` and `export_notice_done` should be changed to flags rather than preferences
 */
+
 /**
 * @namespace {module:SVGEditor.Prefs} defaultPrefs
 * @memberof module:SVGEditor~
 * @implements {module:SVGEditor.Prefs}
 */
 // The iteration algorithm for defaultPrefs does not currently support array/objects
-defaultPrefs = /** @lends module:SVGEditor~defaultPrefs */{
+defaultPrefs =
+/** @lends module:SVGEditor~defaultPrefs */
+{
   // EDITOR OPTIONS (DIALOG)
+
   /**
   * Default to "en" if locale.js detection does not detect another language
   */
   lang: '',
+
   /**
   * Will default to 's' if the window height is smaller than the minimum height and
   * 'm' otherwise
@@ -25025,12 +27617,14 @@ defaultExtensions = ['ext-connector.js', 'ext-eyedropper.js', 'ext-grid.js', 'ex
 /**
 * @typedef {"@default"|string} module:SVGEditor.Stylesheet `@default` will automatically load all of the default CSS paths for SVGEditor
 */
+
 /**
 * @typedef {GenericArray} module:SVGEditor.XYDimensions
 * @property {Integer} length 2
 * @property {Float} 0
 * @property {Float} 1
 */
+
 /**
 * @tutorial ConfigOptions
 * @interface module:SVGEditor.Config
@@ -25083,6 +27677,7 @@ defaultExtensions = ['ext-connector.js', 'ext-eyedropper.js', 'ext-grid.js', 'ex
 * @property {boolean} [selectNew=true] If true, will replace the selection with the current element and automatically select element objects (when not in "path" mode) after they are created, showing their grips (v2.6). Set and used in `svgcanvas.js` (`mouseUp`).
 * @todo Some others could be preferences as well (e.g., preventing URL changing of extensions, defaultExtensions, stylesheets, colorPickerCSS); Change the following to preferences and add pref controls where missing to the UI (e.g., `canvas_expansion`, `initFill`, `initStroke`, `text`, `initOpacity`, `dimensions`, `initTool`, `wireframe`, `showlayers`, `gridSnapping`, `gridColor`, `baseUnit`, `snappingStep`, `showRulers`, `exportWindowType`, `showGrid`, `show_outside_canvas`, `selectNew`)?
 */
+
 /**
 * @namespace {module:SVGEditor.Config} defaultConfig
 * @memberof module:SVGEditor~
@@ -25092,12 +27687,14 @@ defaultConfig = {
   canvasName: 'default',
   canvas_expansion: 3,
   initFill: {
-    color: 'FF0000', // solid red
+    color: 'FF0000',
+    // solid red
     opacity: 1
   },
   initStroke: {
     width: 5,
-    color: '000000', // solid black
+    color: '000000',
+    // solid black
     opacity: 1
   },
   text: {
@@ -25106,19 +27703,25 @@ defaultConfig = {
     font_family: 'serif'
   },
   initOpacity: 1,
-  colorPickerCSS: null, // Defaults to 'left' with a position equal to that of the fill_color or stroke_color element minus 140, and a 'bottom' equal to 40
+  colorPickerCSS: null,
+  // Defaults to 'left' with a position equal to that of the fill_color or stroke_color element minus 140, and a 'bottom' equal to 40
   initTool: 'select',
-  exportWindowType: 'new', // 'same' (todo: also support 'download')
+  exportWindowType: 'new',
+  // 'same' (todo: also support 'download')
   wireframe: false,
   showlayers: false,
   no_save_warning: false,
   // PATH CONFIGURATION
   // The following path configuration items are disallowed in the URL (as should any future path configurations)
   imgPath: 'images/',
-  langPath: 'locale/', // Default will be changed if this is a modular load
-  extPath: 'extensions/', // Default will be changed if this is a modular load
-  canvgPath: 'canvg/', // Default will be changed if this is a modular load
-  jspdfPath: 'jspdf/', // Default will be changed if this is a modular load
+  langPath: 'locale/',
+  // Default will be changed if this is a modular load
+  extPath: 'extensions/',
+  // Default will be changed if this is a modular load
+  canvgPath: 'canvg/',
+  // Default will be changed if this is a modular load
+  jspdfPath: 'jspdf/',
+  // Default will be changed if this is a modular load
   extIconsPath: 'extensions/',
   jGraduatePath: 'jgraduate/images/',
   // DOCUMENT PROPERTIES
@@ -25135,14 +27738,20 @@ defaultConfig = {
   preventAllURLConfig: false,
   preventURLContentLoading: false,
   // EXTENSION CONFIGURATION (see also preventAllURLConfig)
-  lockExtensions: false, // Disallowed in URL setting
-  noDefaultExtensions: false, // noDefaultExtensions can only be meaningfully used in `svgedit-config-iife.js` or in the URL
+  lockExtensions: false,
+  // Disallowed in URL setting
+  noDefaultExtensions: false,
+  // noDefaultExtensions can only be meaningfully used in `svgedit-config-iife.js` or in the URL
   // EXTENSION-RELATED (GRID)
-  showGrid: false, // Set by ext-grid.js
+  showGrid: false,
+  // Set by ext-grid.js
   // EXTENSION-RELATED (STORAGE)
-  noStorageOnLoad: false, // Some interaction with ext-storage.js; prevent even the loading of previously saved local storage
-  forceStorage: false, // Some interaction with ext-storage.js; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not
+  noStorageOnLoad: false,
+  // Some interaction with ext-storage.js; prevent even the loading of previously saved local storage
+  forceStorage: false,
+  // Some interaction with ext-storage.js; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not
   emptyStorageOnDecline: false // Used by ext-storage.js; empty any prior storage if the user declines to store
+
 },
 
 /**
@@ -25151,15 +27760,13 @@ defaultConfig = {
 * @type {PlainObject}
 */
 uiStrings$1 = editor.uiStrings = {};
-
-var svgCanvas = void 0,
-    urldata = void 0,
+var svgCanvas,
+    urldata,
     isReady = false,
     customExportImage = false,
     customExportPDF = false,
     curPrefs = {},
-
-// Note: The difference between Prefs and Config is that Prefs
+    // Note: The difference between Prefs and Config is that Prefs
 //   can be changed in the UI and are stored in the browser,
 //   while config cannot
 curConfig = {
@@ -25167,6 +27774,7 @@ curConfig = {
   //   procedures (we obtain instead from defaultExtensions)
   extensions: [],
   stylesheets: [],
+
   /**
   * Can use `location.origin` to indicate the current
   * origin. Can contain a '*' to allow all domains or 'null' (as
@@ -25187,6 +27795,7 @@ curConfig = {
 function loadSvgString(str, callback) {
   var success = svgCanvas.setSvgString(str) !== false;
   callback = callback || $$b.noop;
+
   if (success) {
     callback(true); // eslint-disable-line standard/no-callback-literal
   } else {
@@ -25195,13 +27804,14 @@ function loadSvgString(str, callback) {
     });
   }
 }
-
 /**
  * @function module:SVGEditor~getImportLocale
  * @param {string} defaultLang
  * @param {string} defaultName
  * @returns {module:SVGEditor~ImportLocale}
  */
+
+
 function getImportLocale(_ref) {
   var defaultLang = _ref.defaultLang,
       defaultName = _ref.defaultName;
@@ -25212,67 +27822,76 @@ function getImportLocale(_ref) {
    * @param {string} [lang=defaultLang] Defaults to `defaultLang` of {@link module:SVGEditor~getImportLocale}
    * @returns {Promise} Resolves to {@link module:locale.LocaleStrings}
    */
-  return function () {
-    var _ref2 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2() {
-      var importLocale = function () {
-        var _ref4 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(lang) {
-          var url;
-          return regeneratorRuntime.wrap(function _callee$(_context) {
-            while (1) {
-              switch (_context.prev = _context.next) {
-                case 0:
-                  url = curConfig.extPath + 'ext-locale/' + name + '/' + lang + '.js';
-                  return _context.abrupt('return', importSetGlobalDefault(url, {
-                    global: 'svgEditorExtensionLocale_' + name + '_' + lang
+  return (
+    /*#__PURE__*/
+    function () {
+      var _importLocale = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee2() {
+        var _ref2,
+            _ref2$name,
+            name,
+            _ref2$lang,
+            lang,
+            importLocale,
+            _importLocale2,
+            _args2 = arguments;
+
+        return regeneratorRuntime.wrap(function _callee2$(_context2) {
+          while (1) {
+            switch (_context2.prev = _context2.next) {
+              case 0:
+                _importLocale2 = function _ref4() {
+                  _importLocale2 = _asyncToGenerator(
+                  /*#__PURE__*/
+                  regeneratorRuntime.mark(function _callee(lang) {
+                    var url;
+                    return regeneratorRuntime.wrap(function _callee$(_context) {
+                      while (1) {
+                        switch (_context.prev = _context.next) {
+                          case 0:
+                            url = "".concat(curConfig.extPath, "ext-locale/").concat(name, "/").concat(lang, ".js");
+                            return _context.abrupt("return", importSetGlobalDefault(url, {
+                              global: "svgEditorExtensionLocale_".concat(name, "_").concat(lang)
+                            }));
+
+                          case 2:
+                          case "end":
+                            return _context.stop();
+                        }
+                      }
+                    }, _callee, this);
                   }));
+                  return _importLocale2.apply(this, arguments);
+                };
 
-                case 2:
-                case 'end':
-                  return _context.stop();
-              }
+                importLocale = function _ref3(_x) {
+                  return _importLocale2.apply(this, arguments);
+                };
+
+                _ref2 = _args2.length > 0 && _args2[0] !== undefined ? _args2[0] : {}, _ref2$name = _ref2.name, name = _ref2$name === void 0 ? defaultName : _ref2$name, _ref2$lang = _ref2.lang, lang = _ref2$lang === void 0 ? defaultLang : _ref2$lang;
+                _context2.prev = 3;
+                return _context2.abrupt("return", importLocale(lang));
+
+              case 7:
+                _context2.prev = 7;
+                _context2.t0 = _context2["catch"](3);
+                return _context2.abrupt("return", importLocale('en'));
+
+              case 10:
+              case "end":
+                return _context2.stop();
             }
-          }, _callee, this);
-        }));
-
-        return function importLocale(_x2) {
-          return _ref4.apply(this, arguments);
-        };
-      }();
-
-      var _ref3 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
-          _ref3$name = _ref3.name,
-          name = _ref3$name === undefined ? defaultName : _ref3$name,
-          _ref3$lang = _ref3.lang,
-          lang = _ref3$lang === undefined ? defaultLang : _ref3$lang;
-
-      return regeneratorRuntime.wrap(function _callee2$(_context2) {
-        while (1) {
-          switch (_context2.prev = _context2.next) {
-            case 0:
-              _context2.prev = 0;
-              return _context2.abrupt('return', importLocale(lang));
-
-            case 4:
-              _context2.prev = 4;
-              _context2.t0 = _context2['catch'](0);
-              return _context2.abrupt('return', importLocale('en'));
-
-            case 7:
-            case 'end':
-              return _context2.stop();
           }
-        }
-      }, _callee2, this, [[0, 4]]);
-    }));
+        }, _callee2, this, [[3, 7]]);
+      }));
 
-    function importLocale() {
-      return _ref2.apply(this, arguments);
-    }
-
-    return importLocale;
-  }();
+      return function importLocale() {
+        return _importLocale.apply(this, arguments);
+      };
+    }()
+  );
 }
-
 /**
 * EXPORTS
 */
@@ -25289,6 +27908,8 @@ function getImportLocale(_ref) {
 *  the pref dialog has a button to auto-calculate background, but otherwise uses `$.pref()` to be able to get default prefs
 *  or overridable settings
 */
+
+
 $$b.pref = function (key, val) {
   if (val) {
     curPrefs[key] = val;
@@ -25297,21 +27918,24 @@ $$b.pref = function (key, val) {
     * @memberof module:SVGEditor
     * @implements {module:SVGEditor.Prefs}
     */
+
     editor.curPrefs = curPrefs; // Update exported value
+
     return;
   }
+
   return key in curPrefs ? curPrefs[key] : defaultPrefs[key];
 };
-
 /*
 * EDITOR PUBLIC METHODS
 // Todo: Sort these methods per invocation order, ideally with init at the end
 // Todo: Prevent execution until init executes if dependent on it?
 */
+
+
 editor.putLocale = putLocale;
 editor.readLang = readLang;
 editor.setStrings = setStrings;
-
 /**
 * Where permitted, sets canvas and/or `defaultPrefs` based on previous
 *  storage. This will override URL settings (for security reasons) but
@@ -25325,28 +27949,32 @@ editor.setStrings = setStrings;
 *  that, it will then be subject to tampering
 * @returns {undefined}
 */
+
 editor.loadContentAndPrefs = function () {
   if (!curConfig.forceStorage && (curConfig.noStorageOnLoad || !document.cookie.match(/(?:^|;\s*)store=(?:prefsAndContent|prefsOnly)/))) {
     return;
-  }
+  } // LOAD CONTENT
+
 
-  // LOAD CONTENT
   if (editor.storage && ( // Cookies do not have enough available memory to hold large documents
   curConfig.forceStorage || !curConfig.noStorageOnLoad && document.cookie.match(/(?:^|;\s*)store=prefsAndContent/))) {
-    var _name = 'svgedit-' + curConfig.canvasName;
-    var cached = editor.storage.getItem(_name);
+    var name = 'svgedit-' + curConfig.canvasName;
+    var cached = editor.storage.getItem(name);
+
     if (cached) {
       editor.loadFromString(cached);
     }
-  }
+  } // LOAD PREFS
+
 
-  // LOAD PREFS
   for (var key in defaultPrefs) {
     if (defaultPrefs.hasOwnProperty(key)) {
       // It's our own config, so we don't need to iterate up the prototype chain
       var storeKey = 'svg-edit-' + key;
+
       if (editor.storage) {
         var val = editor.storage.getItem(storeKey);
+
         if (val) {
           defaultPrefs[key] = String(val); // Convert to string for FF (.value fails in Webkit)
         }
@@ -25359,7 +27987,6 @@ editor.loadContentAndPrefs = function () {
     }
   }
 };
-
 /**
 * Allows setting of preferences or configuration (including extensions).
 * @param {module:SVGEditor.Config|module:SVGEditor.Prefs} opts The preferences or configuration (including extensions). See the tutorial on {@tutorial ConfigOptions} for info on config and preferences.
@@ -25380,8 +28007,11 @@ editor.loadContentAndPrefs = function () {
 *   not be needed in `svgedit-config-iife.js`.
 * @returns {undefined}
 */
+
+
 editor.setConfig = function (opts, cfgCfg) {
   cfgCfg = cfgCfg || {};
+
   function extendOrAdd(cfgObj, key, val) {
     if (cfgObj[key] && _typeof(cfgObj[key]) === 'object') {
       $$b.extend(true, cfgObj[key], val);
@@ -25389,6 +28019,7 @@ editor.setConfig = function (opts, cfgCfg) {
       cfgObj[key] = val;
     }
   }
+
   $$b.each(opts, function (key, val) {
     if (opts.hasOwnProperty(key)) {
       // Only allow prefs defined in defaultPrefs
@@ -25396,6 +28027,7 @@ editor.setConfig = function (opts, cfgCfg) {
         if (cfgCfg.overwrite === false && (curConfig.preventAllURLConfig || curPrefs.hasOwnProperty(key))) {
           return;
         }
+
         if (cfgCfg.allowInitialUserOverride === true) {
           defaultPrefs[key] = val;
         } else {
@@ -25405,17 +28037,20 @@ editor.setConfig = function (opts, cfgCfg) {
         if (cfgCfg.overwrite === false && (curConfig.preventAllURLConfig || ['allowedOrigins', 'stylesheets'].includes(key) || key === 'extensions' && curConfig.lockExtensions)) {
           return;
         }
+
         curConfig[key] = curConfig[key].concat(val); // We will handle any dupes later
         // Only allow other curConfig if defined in defaultConfig
       } else if (defaultConfig.hasOwnProperty(key)) {
         if (cfgCfg.overwrite === false && (curConfig.preventAllURLConfig || curConfig.hasOwnProperty(key))) {
           return;
-        }
-        // Potentially overwriting of previously set config
+        } // Potentially overwriting of previously set config
+
+
         if (curConfig.hasOwnProperty(key)) {
           if (cfgCfg.overwrite === false) {
             return;
           }
+
           extendOrAdd(curConfig, key, val);
         } else {
           if (cfgCfg.allowInitialUserOverride === true) {
@@ -25437,14 +28072,15 @@ editor.setConfig = function (opts, cfgCfg) {
   * @memberof module:SVGEditor
   * @implements {module:SVGEditor.Config}
   */
+
   editor.curConfig = curConfig; // Update exported value
 };
-
 /**
 * All methods are optional
 * @interface module:SVGEditor.CustomHandler
 * @type {PlainObject}
 */
+
 /**
 * Its responsibilities are:
 *  - invoke a file chooser dialog in 'open' mode
@@ -25454,6 +28090,7 @@ editor.setConfig = function (opts, cfgCfg) {
 * @function module:SVGEditor.CustomHandler#open
 * @returns {undefined}
 */
+
 /**
 * Its responsibilities are:
 *  - accept the string contents of the current document
@@ -25465,6 +28102,7 @@ editor.setConfig = function (opts, cfgCfg) {
 * @listens module:svgcanvas.SvgCanvas#event:saved
 * @returns {undefined}
 */
+
 /**
 * Its responsibilities (with regard to the object it is supplied in its 2nd argument) are:
 *  - inform user of any issues supplied via the "issues" property
@@ -25478,6 +28116,7 @@ editor.setConfig = function (opts, cfgCfg) {
 * @listens module:svgcanvas.SvgCanvas#event:exported
 * @returns {undefined}
 */
+
 /**
 * @function module:SVGEditor.CustomHandler#exportPDF
 * @param {external:Window} win
@@ -25492,6 +28131,8 @@ editor.setConfig = function (opts, cfgCfg) {
 * @param {module:SVGEditor.CustomHandler} opts Extension mechanisms may call `setCustomHandlers` with three functions: `opts.open`, `opts.save`, and `opts.exportImage`
 * @returns {undefined}
 */
+
+
 editor.setCustomHandlers = function (opts) {
   editor.ready(function () {
     if (opts.open) {
@@ -25499,35 +28140,41 @@ editor.setCustomHandlers = function (opts) {
       $$b('#tool_open').show();
       svgCanvas.open = opts.open;
     }
+
     if (opts.save) {
       editor.showSaveWarning = false;
       svgCanvas.bind('saved', opts.save);
     }
+
     if (opts.exportImage) {
       customExportImage = opts.exportImage;
       svgCanvas.bind('exported', customExportImage); // canvg and our RGBColor will be available to the method
     }
+
     if (opts.exportPDF) {
       customExportPDF = opts.exportPDF;
       svgCanvas.bind('exportedPDF', customExportPDF); // jsPDF and our RGBColor will be available to the method
     }
   });
 };
-
 /**
 * @param {boolean} arg
 * @returns {undefined}
 */
+
+
 editor.randomizeIds = function (arg) {
   return svgCanvas.randomizeIds(arg);
 };
-
 /**
 * Auto-run after a Promise microtask
 * @returns {undefined}
 */
+
+
 editor.init = function () {
   var modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false;
+
   if (!modularVersion) {
     Object.assign(defaultConfig, {
       langPath: '../dist/locale/',
@@ -25535,18 +28182,20 @@ editor.init = function () {
       canvgPath: '../dist/',
       jspdfPath: '../dist/'
     });
-  }
-
-  // const host = location.hostname,
+  } // const host = location.hostname,
   //  onWeb = host && host.includes('.');
   // Some FF versions throw security errors here when directly accessing
+
+
   try {
     if ('localStorage' in window) {
       // && onWeb removed so Webkit works locally
+
       /**
       * The built-in interface implemented by `localStorage`
       * @external Storage
       */
+
       /**
       * @name storage
       * @memberof module:SVGEditor
@@ -25554,9 +28203,9 @@ editor.init = function () {
       */
       editor.storage = localStorage;
     }
-  } catch (err) {}
+  } catch (err) {} // Todo: Avoid const-defined functions and group functions together, etc. where possible
+
 
-  // Todo: Avoid const-defined functions and group functions together, etc. where possible
   var goodLangs = [];
   $$b('#lang_select option').each(function () {
     goodLangs.push(this.value);
@@ -25565,30 +28214,34 @@ editor.init = function () {
   function setupCurPrefs() {
     curPrefs = $$b.extend(true, {}, defaultPrefs, curPrefs); // Now safe to merge with priority for curPrefs in the event any are already set
     // Export updated prefs
+
     editor.curPrefs = curPrefs;
   }
+
   function setupCurConfig() {
     curConfig = $$b.extend(true, {}, defaultConfig, curConfig); // Now safe to merge with priority for curConfig in the event any are already set
-
     // Now deal with extensions and other array config
+
     if (!curConfig.noDefaultExtensions) {
       curConfig.extensions = curConfig.extensions.concat(defaultExtensions);
-    }
-    // ...and remove any dupes
+    } // ...and remove any dupes
+
+
     ['extensions', 'stylesheets', 'allowedOrigins'].forEach(function (cfg) {
       curConfig[cfg] = $$b.grep(curConfig[cfg], function (n, i) {
         // Supposedly faster than filter per http://amandeep1986.blogspot.hk/2015/02/jquery-grep-vs-js-filter.html
         return i === curConfig[cfg].indexOf(n);
       });
-    });
-    // Export updated config
+    }); // Export updated config
+
     editor.curConfig = curConfig;
   }
+
   (function () {
     // Load config/data from URL if given
-    var src = void 0,
-        qstr = void 0;
+    var src, qstr;
     urldata = $$b.deparam.querystring(true);
+
     if (!$$b.isEmptyObject(urldata)) {
       if (urldata.dimensions) {
         urldata.dimensions = urldata.dimensions.split(',');
@@ -25601,44 +28254,50 @@ editor.init = function () {
       if (urldata.extensions) {
         // For security reasons, disallow cross-domain or cross-folder extensions via URL
         urldata.extensions = urldata.extensions.match(/[:/\\]/) ? '' : urldata.extensions.split(',');
-      }
-
-      // Disallowing extension paths via URL for
+      } // Disallowing extension paths via URL for
       // security reasons, even for same-domain
       // ones given potential to interact in undesirable
       // ways with other script resources
+
+
       ['extPath', 'imgPath', 'extIconsPath', 'canvgPath', 'langPath', 'jGraduatePath', 'jspdfPath'].forEach(function (pathConfig) {
         if (urldata[pathConfig]) {
           delete urldata[pathConfig];
         }
       });
-
-      editor.setConfig(urldata, { overwrite: false }); // Note: source and url (as with storagePrompt later) are not set on config but are used below
+      editor.setConfig(urldata, {
+        overwrite: false
+      }); // Note: source and url (as with storagePrompt later) are not set on config but are used below
 
       setupCurConfig();
 
       if (!curConfig.preventURLContentLoading) {
         src = urldata.source;
         qstr = $$b.param.querystring();
+
         if (!src) {
           // urldata.source may have been null if it ended with '='
           if (qstr.includes('source=data:')) {
             src = qstr.match(/source=(data:[^&]*)/)[1];
           }
         }
+
         if (src) {
           if (src.startsWith('data:')) {
             editor.loadFromDataURI(src);
           } else {
             editor.loadFromString(src);
           }
+
           return;
         }
+
         if (urldata.url) {
           editor.loadFromURL(urldata.url);
           return;
         }
       }
+
       if (!urldata.noStorageOnLoad || curConfig.forceStorage) {
         editor.loadContentAndPrefs();
       }
@@ -25646,9 +28305,9 @@ editor.init = function () {
       setupCurConfig();
       editor.loadContentAndPrefs();
     }
+
     setupCurPrefs();
   })();
-
   /**
   * Called internally
   * @param {string|Element|external:jQuery} elem
@@ -25656,15 +28315,18 @@ editor.init = function () {
   * @param {Float} forcedSize Not in use
   * @returns {undefined}
   */
+
+
   var setIcon = editor.setIcon = function (elem, iconId, forcedSize) {
     var icon = typeof iconId === 'string' ? $$b.getSvgIcon(iconId, true) : iconId.clone();
+
     if (!icon) {
       console.log('NOTE: Icon image missing: ' + iconId);
       return;
     }
+
     $$b(elem).empty().append(icon);
   };
-
   /**
    * @fires module:svgcanvas.SvgCanvas#event:ext-addLangData
    * @fires module:svgcanvas.SvgCanvas#event:ext-langReady
@@ -25672,10 +28334,14 @@ editor.init = function () {
    * @fires module:svgcanvas.SvgCanvas#event:extensions_added
    * @returns {Promise} Resolves to result of {@link module:locale.readLang}
    */
-  var extAndLocaleFunc = function () {
-    var _ref5 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee4() {
-      var _this = this;
 
+
+  var extAndLocaleFunc =
+  /*#__PURE__*/
+  function () {
+    var _ref5 = _asyncToGenerator(
+    /*#__PURE__*/
+    regeneratorRuntime.mark(function _callee4() {
       var _ref6, langParam, langData;
 
       return regeneratorRuntime.wrap(function _callee4$(_context4) {
@@ -25689,14 +28355,16 @@ editor.init = function () {
               _ref6 = _context4.sent;
               langParam = _ref6.langParam;
               langData = _ref6.langData;
-
               setLang(langParam, langData);
-
               _context4.prev = 6;
               _context4.next = 9;
-              return Promise.all(curConfig.extensions.map(function () {
-                var _ref7 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee3(extname) {
-                  var extName, url, imported, _imported$name, _name2, init$$1, importLocale;
+              return Promise.all(curConfig.extensions.map(
+              /*#__PURE__*/
+              function () {
+                var _ref7 = _asyncToGenerator(
+                /*#__PURE__*/
+                regeneratorRuntime.mark(function _callee3(extname) {
+                  var extName, url, imported, _imported$name, name, init$$1, importLocale;
 
                   return regeneratorRuntime.wrap(function _callee3$(_context3) {
                     while (1) {
@@ -25709,12 +28377,12 @@ editor.init = function () {
                             break;
                           }
 
-                          return _context3.abrupt('return');
+                          return _context3.abrupt("return");
 
                         case 3:
-                          url = curConfig.extPath + extname;
-                          // Todo: Replace this with `return import(url);` when
+                          url = curConfig.extPath + extname; // Todo: Replace this with `return import(url);` when
                           //   `import()` widely supported
+
                           /**
                            * @tutorial ExtensionDocs
                            * @typedef {PlainObject} module:SVGEditor.ExtensionObject
@@ -25730,26 +28398,28 @@ editor.init = function () {
 
                         case 7:
                           imported = _context3.sent;
-                          _imported$name = imported.name, _name2 = _imported$name === undefined ? extName[1] : _imported$name, init$$1 = imported.init;
-                          importLocale = getImportLocale({ defaultLang: langParam, defaultName: _name2 });
-                          return _context3.abrupt('return', editor.addExtension(_name2, init$$1 && init$$1.bind(editor), importLocale));
+                          _imported$name = imported.name, name = _imported$name === void 0 ? extName[1] : _imported$name, init$$1 = imported.init;
+                          importLocale = getImportLocale({
+                            defaultLang: langParam,
+                            defaultName: name
+                          });
+                          return _context3.abrupt("return", editor.addExtension(name, init$$1 && init$$1.bind(editor), importLocale));
 
                         case 13:
                           _context3.prev = 13;
-                          _context3.t0 = _context3['catch'](4);
-
+                          _context3.t0 = _context3["catch"](4);
                           console.log(_context3.t0);
                           console.error('Extension failed to load: ' + extname + '; ' + _context3.t0);
 
                         case 17:
-                        case 'end':
+                        case "end":
                           return _context3.stop();
                       }
                     }
-                  }, _callee3, _this, [[4, 13]]);
+                  }, _callee3, this, [[4, 13]]);
                 }));
 
-                return function (_x3) {
+                return function (_x2) {
                   return _ref7.apply(this, arguments);
                 };
               }()));
@@ -25765,7 +28435,6 @@ editor.init = function () {
               function (win, data) {
                 extensionsAdded = true;
                 Actions.setAll();
-
                 $$b('.flyout_arrow_horiz:empty').each(function () {
                   $$b(this).append($$b.getSvgIcon('arrow_right', true).width(5).height(5));
                 });
@@ -25785,12 +28454,11 @@ editor.init = function () {
 
             case 13:
               _context4.prev = 13;
-              _context4.t0 = _context4['catch'](6);
-
+              _context4.t0 = _context4["catch"](6);
               console.log(_context4.t0);
 
             case 16:
-            case 'end':
+            case "end":
               return _context4.stop();
           }
         }
@@ -25802,7 +28470,9 @@ editor.init = function () {
     };
   }();
 
-  var stateObj = { tool_scale: editor.tool_scale };
+  var stateObj = {
+    tool_scale: editor.tool_scale
+  };
 
   var setFlyoutPositions = function setFlyoutPositions() {
     $$b('.tools_flyout').each(function () {
@@ -25813,24 +28483,30 @@ editor.init = function () {
           top = _shower$offset.top;
 
       var w = shower.outerWidth();
-      $$b(this).css({ left: (left + w) * editor.tool_scale, top: top });
+      $$b(this).css({
+        left: (left + w) * editor.tool_scale,
+        top: top
+      });
     });
   };
 
   var uaPrefix = function () {
     var regex = /^(Moz|Webkit|Khtml|O|ms|Icab)(?=[A-Z])/;
     var someScript = document.getElementsByTagName('script')[0];
+
     for (var prop in someScript.style) {
       if (regex.test(prop)) {
         // test is faster than match, so it's better to perform
         // that on the lot and match only when necessary
         return prop.match(regex)[0];
       }
-    }
-    // Nothing found so far?
+    } // Nothing found so far?
+
+
     if ('WebkitOpacity' in someScript.style) {
       return 'Webkit';
     }
+
     if ('KhtmlOpacity' in someScript.style) {
       return 'Khtml';
     }
@@ -25841,59 +28517,62 @@ editor.init = function () {
   var scaleElements = function scaleElements(elems, scale) {
     // const prefix = '-' + uaPrefix.toLowerCase() + '-'; // Currently unused
     var sides = ['top', 'left', 'bottom', 'right'];
-
     elems.each(function () {
       // Handled in CSS
       // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';
       var el = $$b(this);
       var w = el.outerWidth() * (scale - 1);
-      var h = el.outerHeight() * (scale - 1);
-      // const margins = {}; // Currently unused
+      var h = el.outerHeight() * (scale - 1); // const margins = {}; // Currently unused
 
       for (var i = 0; i < 4; i++) {
         var s = sides[i];
         var cur = el.data('orig_margin-' + s);
+
         if (cur == null) {
-          cur = parseInt(el.css('margin-' + s), 10);
-          // Cache the original margin
+          cur = parseInt(el.css('margin-' + s), 10); // Cache the original margin
+
           el.data('orig_margin-' + s, cur);
         }
+
         var val = cur * scale;
+
         if (s === 'right') {
           val += w;
         } else if (s === 'bottom') {
           val += h;
         }
 
-        el.css('margin-' + s, val);
-        // el.css('outline', '1px solid red');
+        el.css('margin-' + s, val); // el.css('outline', '1px solid red');
       }
     });
   };
-
   /**
   * Called internally.
   * @param {module:SVGEditor.IconSize} size
   * @returns {undefined}
   */
+
+
   var setIconSize = editor.setIconSize = function (size) {
     // const elems = $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open');
     var selToscale = '#tools_top .toolset, #editor_panel > *, #history_panel > *,' + '        #main_button, #tools_left > *, #path_node_panel > *, #multiselected_panel > *,' + '        #g_panel > *, #tool_font_size > *, .tools_flyout';
-
     var elems = $$b(selToscale);
-
     var scale = 1;
+
     if (typeof size === 'number') {
       scale = size;
     } else {
-      var iconSizes = { s: 0.75, m: 1, l: 1.25, xl: 1.5 };
+      var iconSizes = {
+        s: 0.75,
+        m: 1,
+        l: 1.25,
+        xl: 1.5
+      };
       scale = iconSizes[size];
     }
 
     stateObj.tool_scale = editor.tool_scale = scale;
-
-    setFlyoutPositions();
-    // $('.tools_flyout').each(function () {
+    setFlyoutPositions(); // $('.tools_flyout').each(function () {
     //   const pos = $(this).position();
     //   console.log($(this), pos.left+(34 * scale));
     //   $(this).css({left: pos.left+(34 * scale), top: pos.top+(77 * scale)});
@@ -25905,13 +28584,10 @@ editor.init = function () {
     var hiddenPs = elems.parents(':hidden');
     hiddenPs.css('visibility', 'hidden').show();
     scaleElements(elems, scale);
-    hiddenPs.css('visibility', 'visible').hide();
-    // return;
+    hiddenPs.css('visibility', 'visible').hide(); // return;
 
     $$b.pref('iconsize', size);
-    $$b('#iconsize').val(size);
-
-    // Change icon size
+    $$b('#iconsize').val(size); // Change icon size
     // $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open')
     // .find('> svg, > img').each(function () {
     //   this.setAttribute('width',size_num);
@@ -25926,8 +28602,8 @@ editor.init = function () {
     // if (size != 's') {
     //   $.resizeSvgIcons({'#layerbuttons svg, #layerbuttons img': size_num * .6});
     // }
-
     // Note that all rules will be prefixed with '#svg_editor' when parsed
+
     var cssResizeRules = {
       // '.tool_button,\
       // .push_button,\
@@ -25958,8 +28634,7 @@ editor.init = function () {
       },
       'div#workarea': {
         left: 38,
-        top: 74
-        // '#tools_bottom': {
+        top: 74 // '#tools_bottom': {
         //   left: {s: '27px', l: '46px', xl: '65px'},
         //   height: {s: '58px', l: '98px', xl: '145px'}
         // },
@@ -26041,9 +28716,11 @@ editor.init = function () {
         // '#position_opts': {
         //   width: {all: (size_num*4) +'px'}
         // }
-      } };
 
+      }
+    };
     var ruleElem = $$b('#tool_size_rules');
+
     if (!ruleElem.length) {
       ruleElem = $$b('<style id="tool_size_rules"></style>').appendTo('head');
     } else {
@@ -26056,17 +28733,19 @@ editor.init = function () {
         selector = '#svg_editor ' + selector.replace(/,/g, ', #svg_editor');
         styleStr += selector + '{';
         $$b.each(rules, function (prop, values) {
-          var val = void 0;
+          var val;
+
           if (typeof values === 'number') {
             val = values * scale + 'px';
           } else if (values[size] || values.all) {
             val = values[size] || values.all;
           }
+
           styleStr += prop + ':' + val + ';';
         });
         styleStr += '}';
-      });
-      // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';
+      }); // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';
+
       var prefix = '-' + uaPrefix.toLowerCase() + '-';
       styleStr += selToscale + '{' + prefix + 'transform: scale(' + scale + ');}' + ' #svg_editor div.toolset .toolset {' + prefix + 'transform: scale(1); margin: 1px !important;}' + // Hack for markers
       ' #svg_editor .ui-slider {' + prefix + 'transform: scale(' + 1 / scale + ');}' // Hack for sliders
@@ -26076,17 +28755,18 @@ editor.init = function () {
 
     setFlyoutPositions();
   };
+
   $$b.svgIcons(curConfig.imgPath + 'svg_edit_icons.svg', {
-    w: 24, h: 24,
+    w: 24,
+    h: 24,
     id_match: false,
-    no_img: !isWebkit(), // Opera & Firefox 4 gives odd behavior w/images
+    no_img: !isWebkit(),
+    // Opera & Firefox 4 gives odd behavior w/images
     fallback_path: curConfig.imgPath,
     fallback: {
       logo: 'logo.png',
-
       select: 'select.png',
       select_node: 'select_node.png',
-
       square: 'square.png',
       rect: 'rect.png',
       fh_rect: 'freehand-square.png',
@@ -26100,17 +28780,14 @@ editor.init = function () {
       add_subpath: 'add_subpath.png',
       close_path: 'closepath.png',
       open_path: 'openpath.png',
-
       image: 'image.png',
       zoom: 'zoom.png',
-
       arrow_right: 'flyouth.png',
       arrow_right_big: 'arrow_right_big.png',
       arrow_down: 'dropdown.gif',
       fill: 'fill.png',
       stroke: 'stroke.png',
       opacity: 'opacity.png',
-
       new_image: 'clear.png',
       save: 'save.png',
       export: 'export.png',
@@ -26119,10 +28796,8 @@ editor.init = function () {
       docprops: 'document-properties.png',
       source: 'source.png',
       wireframe: 'wireframe.png',
-
       undo: 'undo.png',
       redo: 'redo.png',
-
       clone: 'clone.png',
       delete: 'delete.png',
       go_up: 'go-up.png',
@@ -26134,7 +28809,6 @@ editor.init = function () {
       link_controls: 'link_controls.png',
       reorient: 'reorient.png',
       group_elements: 'shape_group_elements.png',
-
       ungroup: 'shape_ungroup.png',
       unlink_use: 'unlink_use.png',
       width: 'width.png',
@@ -26144,14 +28818,12 @@ editor.init = function () {
       blur: 'blur.png',
       fontsize: 'fontsize.png',
       align: 'align.png',
-
       align_left: 'align-left.png',
       align_center: 'align-center.png',
       align_right: 'align-right.png',
       align_top: 'align-top.png',
       align_middle: 'align-middle.png',
       align_bottom: 'align-bottom.png',
-
       linecap_butt: 'linecap_butt.png',
       linecap_square: 'linecap_square.png',
       linecap_round: 'linecap_round.png',
@@ -26160,19 +28832,15 @@ editor.init = function () {
       linejoin_round: 'linejoin_round.png',
       eye: 'eye.png',
       no_color: 'no_color.png',
-
       ok: 'save.png',
       cancel: 'cancel.png',
       warning: 'warning.png',
-
       node_delete: 'node_delete.png',
       node_clone: 'node_clone.png',
-
       globe_link: 'globe_link.png'
     },
     placement: {
       '#logo': 'logo',
-
       '#tool_clear div,#layer_new': 'new_image',
       '#tool_save div': 'save',
       '#tool_export div': 'export',
@@ -26181,10 +28849,8 @@ editor.init = function () {
       '#tool_source': 'source',
       '#tool_docprops > div': 'docprops',
       '#tool_wireframe': 'wireframe',
-
       '#tool_undo': 'undo',
       '#tool_redo': 'redo',
-
       '#tool_select': 'select',
       '#tool_fhpath': 'pencil',
       '#tool_line': 'pen',
@@ -26198,7 +28864,6 @@ editor.init = function () {
       '#tool_text,#layer_rename': 'text',
       '#tool_image': 'image',
       '#tool_zoom': 'zoom',
-
       '#tool_clone,#tool_clone_multi': 'clone',
       '#tool_node_clone': 'node_clone',
       '#layer_delete,#tool_delete,#tool_delete_multi': 'delete',
@@ -26213,7 +28878,6 @@ editor.init = function () {
       '#tool_group_elements': 'group_elements',
       '#tool_ungroup': 'ungroup',
       '#tool_unlink_use': 'unlink_use',
-
       '#tool_alignleft, #tool_posleft': 'align_left',
       '#tool_aligncenter, #tool_poscenter': 'align_center',
       '#tool_alignright, #tool_posright': 'align_right',
@@ -26221,25 +28885,19 @@ editor.init = function () {
       '#tool_alignmiddle, #tool_posmiddle': 'align_middle',
       '#tool_alignbottom, #tool_posbottom': 'align_bottom',
       '#cur_position': 'align',
-
       '#linecap_butt,#cur_linecap': 'linecap_butt',
       '#linecap_round': 'linecap_round',
       '#linecap_square': 'linecap_square',
-
       '#linejoin_miter,#cur_linejoin': 'linejoin_miter',
       '#linejoin_round': 'linejoin_round',
       '#linejoin_bevel': 'linejoin_bevel',
-
       '#url_notice': 'warning',
-
       '#layer_up': 'go_up',
       '#layer_down': 'go_down',
       '#layer_moreopts': 'context_menu',
       '#layerlist td.layervis': 'eye',
-
       '#tool_source_save,#tool_docprops_save,#tool_prefs_save': 'ok',
       '#tool_source_cancel,#tool_docprops_cancel,#tool_prefs_cancel': 'cancel',
-
       '#rwidthLabel, #iwidthLabel': 'width',
       '#rheightLabel, #iheightLabel': 'height',
       '#cornerRadiusLabel span': 'c_radius',
@@ -26251,7 +28909,6 @@ editor.init = function () {
       '#group_opacityLabel': 'opacity',
       '#blurLabel': 'blur',
       '#font_sizeLabel': 'fontsize',
-
       '.flyout_arrow_horiz': 'arrow_right',
       '.dropdown button, #main_button .dropdown': 'arrow_down',
       '#palette .palette_item:first, #fill_bg, #stroke_bg': 'no_color'
@@ -26272,26 +28929,26 @@ editor.init = function () {
       $$b('.toolbar_button button > svg, .toolbar_button button > img').each(function () {
         $$b(this).parent().prepend(this);
       });
-
       var tleft = $$b('#tools_left');
+      var minHeight;
 
-      var minHeight = void 0;
       if (tleft.length) {
         minHeight = tleft.offset().top + tleft.outerHeight();
       }
 
       var size = $$b.pref('iconsize');
-      editor.setIconSize(size || ($$b(window).height() < minHeight ? 's' : 'm'));
+      editor.setIconSize(size || ($$b(window).height() < minHeight ? 's' : 'm')); // Look for any missing flyout icons from plugins
 
-      // Look for any missing flyout icons from plugins
       $$b('.tools_flyout').each(function () {
         var shower = $$b('#' + this.id + '_show');
-        var sel = shower.attr('data-curopt');
-        // Check if there's an icon here
+        var sel = shower.attr('data-curopt'); // Check if there's an icon here
+
         if (!shower.children('svg, img').length) {
           var clone = $$b(sel).children().clone();
+
           if (clone.length) {
             clone[0].removeAttribute('style'); // Needed for Opera
+
             shower.append(clone);
           }
         }
@@ -26301,55 +28958,68 @@ editor.init = function () {
         switch (stylesheet) {
           case 'jgraduate/css/jPicker.css':
             return 1;
+
           case 'jgraduate/css/jGraduate.css':
             return 2;
+
           case 'svg-editor.css':
             return 3;
+
           case 'spinbtn/jQuery.SpinButton.css':
             return 4;
+
           default:
             return Infinity;
         }
       }
+
       var stylesheets = $$b.loadingStylesheets.sort(function (a, b) {
         var priorityA = getStylesheetPriority(a);
         var priorityB = getStylesheetPriority(b);
+
         if (priorityA === priorityB) {
           return 0;
         }
+
         return priorityA > priorityB;
       });
+
       if (curConfig.stylesheets.length) {
         // Ensure a copy with unique items
-        stylesheets = [].concat(toConsumableArray(new Set(curConfig.stylesheets)));
+        stylesheets = _toConsumableArray(new Set(curConfig.stylesheets));
         var idx = stylesheets.indexOf('@default');
+
         if (idx > -1) {
           var _stylesheets;
 
-          (_stylesheets = stylesheets).splice.apply(_stylesheets, [idx, 1].concat(toConsumableArray($$b.loadingStylesheets)));
+          (_stylesheets = stylesheets).splice.apply(_stylesheets, [idx, 1].concat(_toConsumableArray($$b.loadingStylesheets)));
         }
       }
-      loadStylesheets(stylesheets, { acceptErrors: function acceptErrors(_ref8) {
+
+      loadStylesheets(stylesheets, {
+        acceptErrors: function acceptErrors(_ref8) {
           var stylesheetURL = _ref8.stylesheetURL,
               reject = _ref8.reject,
               resolve = _ref8.resolve;
 
           if ($$b.loadingStylesheets.includes(stylesheetURL)) {
-            reject(new Error('Missing expected stylesheet: ' + stylesheetURL));
+            reject(new Error("Missing expected stylesheet: ".concat(stylesheetURL)));
             return;
           }
+
           resolve();
-        } }).then(function () {
+        }
+      }).then(function () {
         $$b('#svg_container')[0].style.visibility = 'visible';
         editor.runCallbacks();
       });
     }
   });
-
   /**
   * @name module:SVGEditor.canvas
   * @type {module:svgcanvas.SvgCanvas}
   */
+
   editor.canvas = svgCanvas = new SvgCanvas(document.getElementById('svgcanvas'), curConfig);
   var palette = [// Todo: Make into configuration item?
   '#000000', '#3f3f3f', '#7f7f7f', '#bfbfbf', '#ffffff', '#ff0000', '#ff7f00', '#ffff00', '#7fff00', '#00ff00', '#00ff7f', '#00ffff', '#007fff', '#0000ff', '#7f00ff', '#ff00ff', '#ff007f', '#7f0000', '#7f3f00', '#7f7f00', '#3f7f00', '#007f00', '#007f3f', '#007f7f', '#003f7f', '#00007f', '#3f007f', '#7f007f', '#7f003f', '#ffaaaa', '#ffd4aa', '#ffffaa', '#d4ffaa', '#aaffaa', '#aaffd4', '#aaffff', '#aad4ff', '#aaaaff', '#d4aaff', '#ffaaff', '#ffaad4'],
@@ -26359,21 +29029,21 @@ editor.init = function () {
       undoMgr = _svgCanvas.undoMgr,
       workarea = $$b('#workarea'),
       canvMenu = $$b('#cmenu_canvas'),
-      paintBox = { fill: null, stroke: null };
-
-
-  var resizeTimer = void 0,
-      curScrollPos = void 0;
+      paintBox = {
+    fill: null,
+    stroke: null
+  };
+  var resizeTimer, curScrollPos;
   var exportWindow = null,
       defaultImageURL = curConfig.imgPath + 'logo.png',
       zoomInIcon = 'crosshair',
       zoomOutIcon = 'crosshair',
-      uiContext = 'toolbars';
+      uiContext = 'toolbars'; // For external openers
 
-  // For external openers
   (function () {
     // let the opener know SVG Edit is ready (now that config is set up)
     var w = window.opener || window.parent;
+
     if (w) {
       try {
         /**
@@ -26384,6 +29054,7 @@ editor.init = function () {
          * @property {true} bubbles
          * @property {true} cancelable
          */
+
         /**
          * @name module:SVGEditor.svgEditorReadyEvent
          * @type {module:SVGEditor#event:svgEditorReadyEvent}
@@ -26395,38 +29066,39 @@ editor.init = function () {
         w.document.documentElement.dispatchEvent(svgEditorReadyEvent);
       } catch (e) {}
     }
-  })();
-
-  // This sets up alternative dialog boxes. They mostly work the same way as
+  })(); // This sets up alternative dialog boxes. They mostly work the same way as
   // their UI counterparts, expect instead of returning the result, a callback
   // needs to be included that returns the result as its first parameter.
   // In the future we may want to add additional types of dialog boxes, since
   // they should be easy to handle this way.
+
+
   (function () {
     $$b('#dialog_container').draggable({
       cancel: '#dialog_content, #dialog_buttons *',
       containment: 'window'
     }).css('position', 'absolute');
+
     var box = $$b('#dialog_box'),
         btnHolder = $$b('#dialog_buttons'),
         dialogContent = $$b('#dialog_content'),
         dbox = function dbox(type, msg, callback, defaultVal, opts, changeCb, checkbox) {
       dialogContent.html('<p>' + msg.replace(/\n/g, '</p><p>') + '</p>').toggleClass('prompt', type === 'prompt');
       btnHolder.empty();
-
       var ok = $$b('<input type="button" value="' + uiStrings$1.common.ok + '">').appendTo(btnHolder);
 
       if (type !== 'alert') {
         $$b('<input type="button" value="' + uiStrings$1.common.cancel + '">').appendTo(btnHolder).click(function () {
           box.hide();
+
           if (callback) {
             callback(false); // eslint-disable-line standard/no-callback-literal
           }
         });
       }
 
-      var ctrl = void 0,
-          chkbx = void 0;
+      var ctrl, chkbx;
+
       if (type === 'prompt') {
         ctrl = $$b('<input type="text">').prependTo(btnHolder);
         ctrl.val(defaultVal || '');
@@ -26436,30 +29108,37 @@ editor.init = function () {
       } else if (type === 'select') {
         var div = $$b('<div style="text-align:center;">');
         ctrl = $$b('<select>').appendTo(div);
+
         if (checkbox) {
           var label = $$b('<label>').text(checkbox.label);
           chkbx = $$b('<input type="checkbox">').appendTo(label);
           chkbx.val(checkbox.value);
+
           if (checkbox.tooltip) {
             label.attr('title', checkbox.tooltip);
           }
+
           chkbx.prop('checked', !!checkbox.checked);
           div.append($$b('<div>').append(label));
         }
+
         $$b.each(opts || [], function (opt, val) {
-          if ((typeof val === 'undefined' ? 'undefined' : _typeof(val)) === 'object') {
+          if (_typeof(val) === 'object') {
             ctrl.append($$b('<option>').val(val.value).html(val.text));
           } else {
             ctrl.append($$b('<option>').html(val));
           }
         });
         dialogContent.append(div);
+
         if (defaultVal) {
           ctrl.val(defaultVal);
         }
+
         if (changeCb) {
           ctrl.bind('change', 'return', changeCb);
         }
+
         ctrl.bind('keydown', 'return', function () {
           ok.click();
         });
@@ -26468,10 +29147,10 @@ editor.init = function () {
       }
 
       box.show();
-
       ok.click(function () {
         box.hide();
         var resp = type === 'prompt' || type === 'select' ? ctrl.val() : true;
+
         if (callback) {
           if (chkbx) {
             callback(resp, chkbx.prop('checked'));
@@ -26489,15 +29168,19 @@ editor.init = function () {
     $$b.alert = function (msg, cb) {
       dbox('alert', msg, cb);
     };
+
     $$b.confirm = function (msg, cb) {
       dbox('confirm', msg, cb);
     };
+
     $$b.process_cancel = function (msg, cb) {
       dbox('process', msg, cb);
     };
+
     $$b.prompt = function (msg, txt, cb) {
       dbox('prompt', msg, cb, txt);
     };
+
     $$b.select = function (msg, opts, cb, changeCb, txt, checkbox) {
       dbox('select', msg, cb, txt, opts, changeCb, checkbox);
     };
@@ -26505,33 +29188,37 @@ editor.init = function () {
 
   var setSelectMode = function setSelectMode() {
     var curr = $$b('.tool_button_current');
+
     if (curr.length && curr[0].id !== 'tool_select') {
       curr.removeClass('tool_button_current').addClass('tool_button');
       $$b('#tool_select').addClass('tool_button_current').removeClass('tool_button');
       $$b('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all} #svgcanvas svg{cursor:default}');
     }
+
     svgCanvas.setMode('select');
     workarea.css('cursor', 'auto');
-  };
-
-  // used to make the flyouts stay on the screen longer the very first time
+  }; // used to make the flyouts stay on the screen longer the very first time
   // const flyoutspeed = 1250; // Currently unused
   // let textBeingEntered = false; // Currently unused
-  var origTitle = $$b('title:first').text();
-  // Make [1,2,5] array
+
+
+  var origTitle = $$b('title:first').text(); // Make [1,2,5] array
+
   var rIntervals = [];
+
   for (var i = 0.1; i < 1E5; i *= 10) {
     rIntervals.push(i);
     rIntervals.push(2 * i);
     rIntervals.push(5 * i);
-  }
-
-  // This function highlights the layer passed in (by fading out the other layers)
+  } // This function highlights the layer passed in (by fading out the other layers)
   // if no layer is passed in, this function restores the other layers
+
+
   var toggleHighlightLayer = function toggleHighlightLayer(layerNameToHighlight) {
-    var i = void 0;
+    var i;
     var curNames = [],
         numLayers = svgCanvas.getCurrentDrawing().getNumLayers();
+
     for (i = 0; i < numLayers; i++) {
       curNames[i] = svgCanvas.getCurrentDrawing().getLayerName(i);
     }
@@ -26556,22 +29243,26 @@ editor.init = function () {
     var drawing = svgCanvas.getCurrentDrawing();
     var currentLayerName = drawing.getCurrentLayerName();
     var icon = $$b.getSvgIcon('eye');
-    var layer = svgCanvas.getCurrentDrawing().getNumLayers();
-    // we get the layers in the reverse z-order (the layer rendered on top is listed first)
+    var layer = svgCanvas.getCurrentDrawing().getNumLayers(); // we get the layers in the reverse z-order (the layer rendered on top is listed first)
+
     while (layer--) {
-      var _name3 = drawing.getLayerName(layer);
-      var layerTr = $$b('<tr class="layer">').toggleClass('layersel', _name3 === currentLayerName);
-      var layerVis = $$b('<td class="layervis">').toggleClass('layerinvis', !drawing.getLayerVisibility(_name3));
-      var layerName = $$b('<td class="layername">' + _name3 + '</td>');
+      var name = drawing.getLayerName(layer);
+      var layerTr = $$b('<tr class="layer">').toggleClass('layersel', name === currentLayerName);
+      var layerVis = $$b('<td class="layervis">').toggleClass('layerinvis', !drawing.getLayerVisibility(name));
+      var layerName = $$b('<td class="layername">' + name + '</td>');
       layerlist.append(layerTr.append(layerVis, layerName));
-      selLayerNames.append('<option value="' + _name3 + '">' + _name3 + '</option>');
+      selLayerNames.append('<option value="' + name + '">' + name + '</option>');
     }
+
     if (icon !== undefined) {
       var copy = icon.clone();
       $$b('td.layervis', layerlist).append(copy);
-      $$b.resizeSvgIcons({ 'td.layervis .svg_icon': 14 });
-    }
-    // handle selection of layer
+      $$b.resizeSvgIcons({
+        'td.layervis .svg_icon': 14
+      });
+    } // handle selection of layer
+
+
     $$b('#layerlist td.layername').mouseup(function (evt) {
       $$b('#layerlist tr.layer').removeClass('layersel');
       $$b(this.parentNode).addClass('layersel');
@@ -26588,10 +29279,10 @@ editor.init = function () {
       var vis = $$b(this).hasClass('layerinvis');
       svgCanvas.setLayerVisibility(name, vis);
       $$b(this).toggleClass('layerinvis');
-    });
+    }); // if there were too few rows, let's add a few to make it not so lonely
 
-    // if there were too few rows, let's add a few to make it not so lonely
     var num = 5 - $$b('#layerlist tr.layer').size();
+
     while (num-- > 0) {
       // FIXME: there must a better way to do this
       layerlist.append('<tr><td style="color:white">_</td><td/></tr>');
@@ -26600,6 +29291,7 @@ editor.init = function () {
 
   var editingsource = false;
   var origSource = '';
+
   var showSourceEditor = function showSourceEditor(e, forSaving) {
     if (editingsource) {
       return;
@@ -26620,12 +29312,14 @@ editor.init = function () {
   var togglePathEditMode = function togglePathEditMode(editmode, elems) {
     $$b('#path_node_panel').toggle(editmode);
     $$b('#tools_bottom_2,#tools_bottom_3').toggle(!editmode);
+
     if (editmode) {
       // Change select icon
       $$b('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
       $$b('#tool_select').addClass('tool_button_current').removeClass('tool_button');
       setIcon('#tool_select', 'select_node');
       multiselected = false;
+
       if (elems.length) {
         selectedElement = elems[0];
       }
@@ -26635,7 +29329,6 @@ editor.init = function () {
       }, 1000);
     }
   };
-
   /**
    * @type {module:svgcanvas.EventHandler}
    * @param {external:Window} wind
@@ -26643,34 +29336,33 @@ editor.init = function () {
    * @listens module:svgcanvas.SvgCanvas#event:saved
    * @returns {undefined}
    */
+
+
   var saveHandler = function saveHandler(wind, svg) {
-    editor.showSaveWarning = false;
-
-    // by default, we add the XML prolog back, systems integrating SVG-edit (wikis, CMSs)
+    editor.showSaveWarning = false; // by default, we add the XML prolog back, systems integrating SVG-edit (wikis, CMSs)
     // can just provide their own custom save handler and might not want the XML prolog
-    svg = '<?xml version="1.0"?>\n' + svg;
 
-    // IE9 doesn't allow standalone Data URLs
+    svg = '<?xml version="1.0"?>\n' + svg; // IE9 doesn't allow standalone Data URLs
     // https://connect.microsoft.com/IE/feedback/details/542600/data-uri-images-fail-when-loaded-by-themselves
+
     if (isIE()) {
       showSourceEditor(0, true);
       return;
-    }
-
-    // Since saving SVGs by opening a new window was removed in Chrome use artificial link-click
+    } // Since saving SVGs by opening a new window was removed in Chrome use artificial link-click
     // https://stackoverflow.com/questions/45603201/window-is-not-allowed-to-navigate-top-frame-navigations-to-data-urls
+
+
     var a = document.createElement('a');
     a.href = 'data:image/svg+xml;base64,' + encode64(svg);
     a.download = 'icon.svg';
-
-    a.click();
-
-    // Alert will only appear the first time saved OR the
+    a.click(); // Alert will only appear the first time saved OR the
     //   first time the bug is encountered
+
     var done = $$b.pref('save_notice_done');
+
     if (done !== 'all') {
-      var note = uiStrings$1.notification.saveFromBrowser.replace('%s', 'SVG');
-      // Check if FF and has <defs/>
+      var note = uiStrings$1.notification.saveFromBrowser.replace('%s', 'SVG'); // Check if FF and has <defs/>
+
       if (isGecko()) {
         if (svg.includes('<defs')) {
           // warning about Mozilla bug #308590 when applicable (seems to be fixed now in Feb 2013)
@@ -26683,23 +29375,24 @@ editor.init = function () {
       } else {
         $$b.pref('save_notice_done', 'all');
       }
+
       if (done !== 'part') {
         alert(note);
       }
     }
   };
-
   /**
    * @param {external:Window} win
    * @param {module:svgcanvas.SvgCanvas#event:exported} data
    * @listens module:svgcanvas.SvgCanvas#event:exported
    * @returns {undefined}
    */
+
+
   var exportHandler = function exportHandler(win, data) {
     var issues = data.issues,
         exportWindowName = data.exportWindowName;
 
-
     if (exportWindowName) {
       exportWindow = window.open(blankPageObjectURL || '', exportWindowName); // A hack to get the window via JSON-able name without opening a new one
     }
@@ -26711,17 +29404,17 @@ editor.init = function () {
 
     exportWindow.location.href = data.bloburl || data.datauri;
     var done = $$b.pref('export_notice_done');
+
     if (done !== 'all') {
-      var note = uiStrings$1.notification.saveFromBrowser.replace('%s', data.type);
+      var note = uiStrings$1.notification.saveFromBrowser.replace('%s', data.type); // Check if there are issues
 
-      // Check if there are issues
       if (issues.length) {
-        var pre = '\n \u2022 ';
+        var pre = "\n \u2022 ";
         note += '\n\n' + uiStrings$1.notification.noteTheseIssues + pre + issues.join(pre);
-      }
-
-      // Note that this will also prevent the notice even though new issues may appear later.
+      } // Note that this will also prevent the notice even though new issues may appear later.
       // May want to find a way to deal with that without annoying the user
+
+
       $$b.pref('export_notice_done', 'all');
       exportWindow.alert(note);
     }
@@ -26732,12 +29425,12 @@ editor.init = function () {
     if (!window.opera) {
       return;
     }
+
     $$b('<p/>').hide().appendTo('body').remove();
   };
 
   function setStrokeOpt(opt, changeElem) {
     var id = opt.id;
-
     var bits = id.split('_');
     var pre = bits[0];
     var val = bits[1];
@@ -26745,11 +29438,11 @@ editor.init = function () {
     if (changeElem) {
       svgCanvas.setStrokeAttr('stroke-' + pre, val);
     }
+
     operaRepaint();
     setIcon('#cur_' + pre, id, 20);
     $$b(opt).addClass('current').siblings().removeClass('current');
   }
-
   /**
   * This is a common function used when a tool has been clicked (chosen)
   * It does several common things:
@@ -26761,47 +29454,56 @@ editor.init = function () {
   * @param {boolean} noHiding Whether not to hide any flyouts
   * @returns {boolean} Whether the button was disabled or not
   */
+
+
   var toolButtonClick = editor.toolButtonClick = function (button, noHiding) {
     if ($$b(button).hasClass('disabled')) {
       return false;
     }
+
     if ($$b(button).parent().hasClass('tools_flyout')) {
       return true;
     }
+
     var fadeFlyouts = 'normal';
+
     if (!noHiding) {
       $$b('.tools_flyout').fadeOut(fadeFlyouts);
     }
+
     $$b('#styleoverrides').text('');
     workarea.css('cursor', 'auto');
     $$b('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
     $$b(button).addClass('tool_button_current').removeClass('tool_button');
     return true;
   };
-
   /**
   * Unless the select toolbar button is disabled, sets the button
   * and sets the select mode and cursor styles.
   * @function module:SVGEditor.clickSelect
   * @returns {undefined}
   */
+
+
   var clickSelect = editor.clickSelect = function () {
     if (toolButtonClick('#tool_select')) {
       svgCanvas.setMode('select');
       $$b('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all}, #svgcanvas svg{cursor:default}');
     }
   };
-
   /**
   * Set a selected image's URL
   * @function module:SVGEditor.setImageURL
   * @param {string} url
   * @returns {undefined}
   */
+
+
   var setImageURL = editor.setImageURL = function (url) {
     if (!url) {
       url = defaultImageURL;
     }
+
     svgCanvas.setImageURL(url);
     $$b('#image_url').val(url);
 
@@ -26824,16 +29526,15 @@ editor.init = function () {
   function setBackground(color, url) {
     // if (color == $.pref('bkgd_color') && url == $.pref('bkgd_url')) { return; }
     $$b.pref('bkgd_color', color);
-    $$b.pref('bkgd_url', url);
+    $$b.pref('bkgd_url', url); // This should be done in svgcanvas.js for the borderRect fill
 
-    // This should be done in svgcanvas.js for the borderRect fill
     svgCanvas.setBackground(color, url);
   }
 
   function promptImgURL() {
     var _ref9 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
         _ref9$cancelDeletes = _ref9.cancelDeletes,
-        cancelDeletes = _ref9$cancelDeletes === undefined ? false : _ref9$cancelDeletes;
+        cancelDeletes = _ref9$cancelDeletes === void 0 ? false : _ref9$cancelDeletes;
 
     var curhref = svgCanvas.getHref(selectedElement);
     curhref = curhref.startsWith('data:') ? '' : curhref;
@@ -26855,33 +29556,29 @@ editor.init = function () {
     if (!zoom) {
       zoom = svgCanvas.getZoom();
     }
+
     if (!scanvas) {
       scanvas = $$b('#svgcanvas');
     }
 
-    var d = void 0,
-        i = void 0;
+    var d, i;
     var limit = 30000;
     var contentElem = svgCanvas.getContentElem();
     var units = getTypeMap();
     var unit = units[curConfig.baseUnit]; // 1 = 1px
-
     // draw x ruler then y ruler
+
     for (d = 0; d < 2; d++) {
       var isX = d === 0;
       var dim = isX ? 'x' : 'y';
       var lentype = isX ? 'width' : 'height';
       var contentDim = Number(contentElem.getAttribute(dim));
+      var $hcanvOrig = $$b('#ruler_' + dim + ' canvas:first'); // Bit of a hack to fully clear the canvas in Safari & IE9
 
-      var $hcanvOrig = $$b('#ruler_' + dim + ' canvas:first');
-
-      // Bit of a hack to fully clear the canvas in Safari & IE9
       var $hcanv = $hcanvOrig.clone();
       $hcanvOrig.replaceWith($hcanv);
+      var hcanv = $hcanv[0]; // Set the canvas size to the width of the container
 
-      var hcanv = $hcanv[0];
-
-      // Set the canvas size to the width of the container
       var rulerLen = scanvas[lentype]();
       var totalLen = rulerLen;
       hcanv.parentNode.style[lentype] = totalLen + 'px';
@@ -26889,19 +29586,17 @@ editor.init = function () {
       var ctxArr = void 0,
           num = void 0,
           ctxArrNum = void 0;
-
       ctx.fillStyle = 'rgb(200,0,0)';
-      ctx.fillRect(0, 0, hcanv.width, hcanv.height);
+      ctx.fillRect(0, 0, hcanv.width, hcanv.height); // Remove any existing canvasses
 
-      // Remove any existing canvasses
-      $hcanv.siblings().remove();
+      $hcanv.siblings().remove(); // Create multiple canvases when necessary (due to browser limits)
 
-      // Create multiple canvases when necessary (due to browser limits)
       if (rulerLen >= limit) {
         ctxArrNum = parseInt(rulerLen / limit, 10) + 1;
         ctxArr = [];
         ctxArr[0] = ctx;
         var copy = void 0;
+
         for (i = 1; i < ctxArrNum; i++) {
           hcanv[lentype] = limit;
           copy = hcanv.cloneNode(true);
@@ -26909,40 +29604,38 @@ editor.init = function () {
           ctxArr[i] = copy.getContext('2d');
         }
 
-        copy[lentype] = rulerLen % limit;
+        copy[lentype] = rulerLen % limit; // set copy width to last
 
-        // set copy width to last
         rulerLen = limit;
       }
 
       hcanv[lentype] = rulerLen;
+      var uMulti = unit * zoom; // Calculate the main number interval
 
-      var uMulti = unit * zoom;
-
-      // Calculate the main number interval
       var rawM = 50 / uMulti;
       var multi = 1;
+
       for (i = 0; i < rIntervals.length; i++) {
         num = rIntervals[i];
         multi = num;
+
         if (rawM <= num) {
           break;
         }
       }
 
       var bigInt = multi * uMulti;
-
       ctx.font = '9px sans-serif';
-
       var rulerD = contentDim / uMulti % multi * uMulti;
-      var labelPos = rulerD - bigInt;
-      // draw big intervals
+      var labelPos = rulerD - bigInt; // draw big intervals
+
       var ctxNum = 0;
+
       while (rulerD < totalLen) {
-        labelPos += bigInt;
-        // const realD = rulerD - contentDim; // Currently unused
+        labelPos += bigInt; // const realD = rulerD - contentDim; // Currently unused
 
         var curD = Math.round(rulerD) + 0.5;
+
         if (isX) {
           ctx.moveTo(curD, 15);
           ctx.lineTo(curD, 0);
@@ -26953,14 +29646,15 @@ editor.init = function () {
 
         num = (labelPos - contentDim) / uMulti;
         var label = void 0;
+
         if (multi >= 1) {
           label = Math.round(num);
         } else {
           var decs = String(multi).split('.')[1].length;
           label = num.toFixed(decs);
-        }
+        } // Change 1000s to Ks
+
 
-        // Change 1000s to Ks
         if (label !== 0 && label !== 1000 && label % 1000 === 0) {
           label = label / 1000 + 'K';
         }
@@ -26970,30 +29664,35 @@ editor.init = function () {
         } else {
           // draw label vertically
           var _str = String(label).split('');
+
           for (i = 0; i < _str.length; i++) {
             ctx.fillText(_str[i], 1, rulerD + 9 + i * 9);
           }
         }
 
-        var part = bigInt / 10;
-        // draw the small intervals
+        var part = bigInt / 10; // draw the small intervals
+
         for (i = 1; i < 10; i++) {
           var subD = Math.round(rulerD + part * i) + 0.5;
+
           if (ctxArr && subD > rulerLen) {
             ctxNum++;
             ctx.stroke();
+
             if (ctxNum >= ctxArrNum) {
               i = 10;
               rulerD = totalLen;
               continue;
             }
+
             ctx = ctxArr[ctxNum];
             rulerD -= limit;
             subD = Math.round(rulerD + part * i) + 0.5;
-          }
+          } // odd lines are slighly longer
+
 
-          // odd lines are slighly longer
           var lineNum = i % 2 ? 12 : 10;
+
           if (isX) {
             ctx.moveTo(subD, 15);
             ctx.lineTo(subD, lineNum);
@@ -27002,24 +29701,26 @@ editor.init = function () {
             ctx.lineTo(lineNum, subD);
           }
         }
+
         rulerD += bigInt;
       }
+
       ctx.strokeStyle = '#000';
       ctx.stroke();
     }
   }
-
   /**
   * @function module:SVGEditor.updateCanvas
   * @param {boolean} center
   * @param {module:math.XYObject} newCtr
   * @returns {undefined}
   */
+
+
   var updateCanvas = editor.updateCanvas = function (center, newCtr) {
     var zoom = svgCanvas.getZoom();
     var wArea = workarea;
     var cnvs = $$b('#svgcanvas');
-
     var w = workarea.width(),
         h = workarea.height();
     var wOrig = w,
@@ -27044,19 +29745,15 @@ editor.init = function () {
     var newCanY = h / 2;
     var newCanX = w / 2;
     var offset = svgCanvas.updateCanvas(w, h);
-
     var ratio = newCanX / oldCanX;
-
     var scrollX = w / 2 - wOrig / 2;
     var scrollY = h / 2 - hOrig / 2;
 
     if (!newCtr) {
       var oldDistX = oldCtr.x - oldCanX;
       var newX = newCanX + oldDistX * ratio;
-
       var oldDistY = oldCtr.y - oldCanY;
       var newY = newCanY + oldDistY * ratio;
-
       newCtr = {
         x: newX,
         y: newY
@@ -27081,32 +29778,37 @@ editor.init = function () {
       wArea[0].scrollLeft = newCtr.x - wOrig / 2;
       wArea[0].scrollTop = newCtr.y - hOrig / 2;
     }
+
     if (curConfig.showRulers) {
       updateRulers(cnvs, zoom);
       workarea.scroll();
     }
+
     if (urldata.storagePrompt !== true && !editor.storagePromptClosed) {
       $$b('#dialog_box').hide();
     }
   };
-
   /**
    * @fires module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate
    * @returns {undefined}
    */
+
+
   var updateToolButtonState = function updateToolButtonState() {
-    var index = void 0,
-        button = void 0;
+    var index, button;
     var bNoFill = svgCanvas.getColor('fill') === 'none';
     var bNoStroke = svgCanvas.getColor('stroke') === 'none';
     var buttonsNeedingStroke = ['#tool_fhpath', '#tool_line'];
     var buttonsNeedingFillAndStroke = ['#tools_rect .tool_button', '#tools_ellipse .tool_button', '#tool_text', '#tool_path'];
+
     if (bNoStroke) {
       for (index in buttonsNeedingStroke) {
         button = buttonsNeedingStroke[index];
+
         if ($$b(button).hasClass('tool_button_current')) {
           clickSelect();
         }
+
         $$b(button).addClass('disabled');
       }
     } else {
@@ -27119,9 +29821,11 @@ editor.init = function () {
     if (bNoStroke && bNoFill) {
       for (index in buttonsNeedingFillAndStroke) {
         button = buttonsNeedingFillAndStroke[index];
+
         if ($$b(button).hasClass('tool_button_current')) {
           clickSelect();
         }
+
         $$b(button).addClass('disabled');
       }
     } else {
@@ -27131,12 +29835,13 @@ editor.init = function () {
       }
     }
 
-    svgCanvas.runExtensions('toolButtonStateUpdate', /** @type {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} */{
+    svgCanvas.runExtensions('toolButtonStateUpdate',
+    /** @type {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} */
+    {
       nofill: bNoFill,
       nostroke: bNoStroke
-    });
+    }); // Disable flyouts if all inside are disabled
 
-    // Disable flyouts if all inside are disabled
     $$b('.tools_flyout').each(function () {
       var shower = $$b('#' + this.id + '_show');
       var hasEnabled = false;
@@ -27147,26 +29852,27 @@ editor.init = function () {
       });
       shower.toggleClass('disabled', !hasEnabled);
     });
-
     operaRepaint();
-  };
-
-  // Updates the toolbar (colors, opacity, etc) based on the selected element
+  }; // Updates the toolbar (colors, opacity, etc) based on the selected element
   // This function also updates the opacity and id elements that are in the context panel
+
+
   var updateToolbar = function updateToolbar() {
-    var i = void 0,
-        len = void 0;
+    var i, len;
+
     if (selectedElement != null) {
       switch (selectedElement.tagName) {
         case 'use':
         case 'image':
         case 'foreignObject':
           break;
+
         case 'g':
         case 'a':
           // Look for common styles
           var childs = selectedElement.getElementsByTagName('*');
           var gWidth = null;
+
           for (i = 0, len = childs.length; i < len; i++) {
             var swidth = childs[i].getAttribute('stroke-width');
 
@@ -27178,18 +29884,15 @@ editor.init = function () {
           }
 
           $$b('#stroke_width').val(gWidth === null ? '' : gWidth);
-
           paintBox.fill.update(true);
           paintBox.stroke.update(true);
-
           break;
+
         default:
           paintBox.fill.update(true);
           paintBox.stroke.update(true);
-
           $$b('#stroke_width').val(selectedElement.getAttribute('stroke-width') || 1);
           $$b('#stroke_style').val(selectedElement.getAttribute('stroke-dasharray') || 'none');
-
           var attr = selectedElement.getAttribute('stroke-linejoin') || 'miter';
 
           if ($$b('#linejoin_' + attr).length) {
@@ -27201,10 +29904,11 @@ editor.init = function () {
           if ($$b('#linecap_' + attr).length) {
             setStrokeOpt($$b('#linecap_' + attr)[0]);
           }
-      }
-    }
 
-    // All elements including image and group have opacity
+      }
+    } // All elements including image and group have opacity
+
+
     if (selectedElement != null) {
       var opacPerc = (selectedElement.getAttribute('opacity') || 1.0) * 100;
       $$b('#group_opacity').val(opacPerc);
@@ -27214,25 +29918,26 @@ editor.init = function () {
     }
 
     updateToolButtonState();
-  };
+  }; // updates the context panel tools based on the selected element
+
 
-  // updates the context panel tools based on the selected element
   var updateContextPanel = function updateContextPanel() {
-    var elem = selectedElement;
-    // If element has just been deleted, consider it null
+    var elem = selectedElement; // If element has just been deleted, consider it null
+
     if (elem != null && !elem.parentNode) {
       elem = null;
     }
+
     var currentLayerName = svgCanvas.getCurrentDrawing().getCurrentLayerName();
     var currentMode = svgCanvas.getMode();
     var unit = curConfig.baseUnit !== 'px' ? curConfig.baseUnit : null;
-
     var isNode = currentMode === 'pathedit'; // elem ? (elem.id && elem.id.startsWith('pathpointgrip')) : false;
+
     var menuItems = $$b('#cmenu_canvas li');
     $$b('#selected_panel, #multiselected_panel, #g_panel, #rect_panel, #circle_panel,' + '#ellipse_panel, #line_panel, #text_panel, #image_panel, #container_panel,' + ' #use_panel, #a_panel').hide();
+
     if (elem != null) {
-      var elname = elem.nodeName;
-      // If this is a link with no transform and one child, pretend
+      var elname = elem.nodeName; // If this is a link with no transform and one child, pretend
       // its child is selected
       // if (elname === 'a') { // && !$(elem).attr('transform')) {
       //   elem = elem.firstChild;
@@ -27240,7 +29945,6 @@ editor.init = function () {
 
       var angle = svgCanvas.getRotationAngle(elem);
       $$b('#angle').val(angle);
-
       var blurval = svgCanvas.getBlur(elem);
       $$b('#blur').val(blurval);
       $$b('#blur_slider').slider('option', 'value', blurval);
@@ -27249,26 +29953,28 @@ editor.init = function () {
         if (elname === 'image' && svgCanvas.getMode() === 'image') {
           // Prompt for URL if not a data URL
           if (!svgCanvas.getHref(elem).startsWith('data:')) {
-            promptImgURL({ cancelDeletes: true });
+            promptImgURL({
+              cancelDeletes: true
+            });
           }
         }
         /* else if (elname == 'text') {
           // TODO: Do something here for new text
         } */
+
       }
 
       if (!isNode && currentMode !== 'pathedit') {
-        $$b('#selected_panel').show();
-        // Elements in this array already have coord fields
+        $$b('#selected_panel').show(); // Elements in this array already have coord fields
+
         if (['line', 'circle', 'ellipse'].includes(elname)) {
           $$b('#xy_panel').hide();
         } else {
-          var x = void 0,
-              y = void 0;
+          var x, y; // Get BBox vals for g, polyline and path
 
-          // Get BBox vals for g, polyline and path
           if (['g', 'polyline', 'path'].includes(elname)) {
             var bb = svgCanvas.getStrokedBBox([elem]);
+
             if (bb) {
               x = bb.x;
               y = bb.y;
@@ -27286,9 +29992,9 @@ editor.init = function () {
           $$b('#selected_x').val(x || 0);
           $$b('#selected_y').val(y || 0);
           $$b('#xy_panel').show();
-        }
+        } // Elements in this array cannot be converted to a path
+
 
-        // Elements in this array cannot be converted to a path
         var noPath = !['image', 'text', 'path', 'g', 'use'].includes(elname);
         $$b('#tool_topath').toggle(noPath);
         $$b('#tool_reorient').toggle(elname === 'path');
@@ -27296,29 +30002,32 @@ editor.init = function () {
       } else {
         var point = path.getNodePoint();
         $$b('#tool_add_subpath').removeClass('push_button_pressed').addClass('tool_button');
-        $$b('#tool_node_delete').toggleClass('disabled', !path.canDeleteNodes);
+        $$b('#tool_node_delete').toggleClass('disabled', !path.canDeleteNodes); // Show open/close button based on selected point
 
-        // Show open/close button based on selected point
         setIcon('#tool_openclose_path', path.closed_subpath ? 'open_path' : 'close_path');
 
         if (point) {
           var segType = $$b('#seg_type');
+
           if (unit) {
             point.x = convertUnit(point.x);
             point.y = convertUnit(point.y);
           }
+
           $$b('#path_node_x').val(point.x);
           $$b('#path_node_y').val(point.y);
+
           if (point.type) {
             segType.val(point.type).removeAttr('disabled');
           } else {
             segType.val(4).attr('disabled', 'disabled');
           }
         }
-        return;
-      }
 
-      // update contextual tools here
+        return;
+      } // update contextual tools here
+
+
       var panels = {
         g: [],
         a: [],
@@ -27330,15 +30039,13 @@ editor.init = function () {
         text: [],
         use: []
       };
-
       var _elem = elem,
-          tagName = _elem.tagName;
-
-      // if ($(elem).data('gsvg')) {
+          tagName = _elem.tagName; // if ($(elem).data('gsvg')) {
       //   $('#g_panel').show();
       // }
 
       var linkHref = null;
+
       if (tagName === 'a') {
         linkHref = svgCanvas.getHref(elem);
         $$b('#g_panel').show();
@@ -27349,9 +30056,9 @@ editor.init = function () {
           $$b('#a_panel').show();
           linkHref = svgCanvas.getHref(elem.parentNode);
         }
-      }
+      } // Hide/show the make_link buttons
+
 
-      // Hide/show the make_link buttons
       $$b('#tool_make_link, #tool_make_link').toggle(!linkHref);
 
       if (linkHref) {
@@ -27360,44 +30067,47 @@ editor.init = function () {
 
       if (panels[tagName]) {
         var curPanel = panels[tagName];
-
         $$b('#' + tagName + '_panel').show();
-
         $$b.each(curPanel, function (i, item) {
           var attrVal = elem.getAttribute(item);
+
           if (curConfig.baseUnit !== 'px' && elem[item]) {
             var bv = elem[item].baseVal.value;
             attrVal = convertUnit(bv);
           }
+
           $$b('#' + tagName + '_' + item).val(attrVal || 0);
         });
 
         if (tagName === 'text') {
           $$b('#text_panel').css('display', 'inline');
           $$b('#tool_font_size').css('display', 'inline');
+
           if (svgCanvas.getItalic()) {
             $$b('#tool_italic').addClass('push_button_pressed').removeClass('tool_button');
           } else {
             $$b('#tool_italic').removeClass('push_button_pressed').addClass('tool_button');
           }
+
           if (svgCanvas.getBold()) {
             $$b('#tool_bold').addClass('push_button_pressed').removeClass('tool_button');
           } else {
             $$b('#tool_bold').removeClass('push_button_pressed').addClass('tool_button');
           }
+
           $$b('#font_family').val(elem.getAttribute('font-family'));
           $$b('#font_size').val(elem.getAttribute('font-size'));
           $$b('#text').val(elem.textContent);
+
           if (svgCanvas.addedNew) {
             // Timeout needed for IE9
             setTimeout(function () {
               $$b('#text').focus().select();
             }, 100);
-          }
-          // text
+          } // text
+
         } else if (tagName === 'image' && svgCanvas.getMode() === 'image') {
-          setImageURL(svgCanvas.getHref(elem));
-          // image
+          setImageURL(svgCanvas.getHref(elem)); // image
         } else if (tagName === 'g' || tagName === 'use') {
           $$b('#container_panel').show();
           var title = svgCanvas.getTitle();
@@ -27407,27 +30117,25 @@ editor.init = function () {
           $$b('#g_title').prop('disabled', tagName === 'use');
         }
       }
+
       menuItems[(tagName === 'g' ? 'en' : 'dis') + 'ableContextMenuItems']('#ungroup');
-      menuItems[(tagName === 'g' || !multiselected ? 'dis' : 'en') + 'ableContextMenuItems']('#group');
-      // if (elem != null)
+      menuItems[(tagName === 'g' || !multiselected ? 'dis' : 'en') + 'ableContextMenuItems']('#group'); // if (elem != null)
     } else if (multiselected) {
       $$b('#multiselected_panel').show();
       menuItems.enableContextMenuItems('#group').disableContextMenuItems('#ungroup');
     } else {
       menuItems.disableContextMenuItems('#delete,#cut,#copy,#group,#ungroup,#move_front,#move_up,#move_down,#move_back');
-    }
+    } // update history buttons
+
 
-    // update history buttons
     $$b('#tool_undo').toggleClass('disabled', undoMgr.getUndoStackSize() === 0);
     $$b('#tool_redo').toggleClass('disabled', undoMgr.getRedoStackSize() === 0);
-
     svgCanvas.addedNew = false;
 
     if (elem && !isNode || multiselected) {
       // update the selected elements' layer
-      $$b('#selLayerNames').removeAttr('disabled').val(currentLayerName);
+      $$b('#selLayerNames').removeAttr('disabled').val(currentLayerName); // Enable regular menu options
 
-      // Enable regular menu options
       canvMenu.enableContextMenuItems('#delete,#cut,#copy,#move_front,#move_up,#move_down,#move_back');
     } else {
       $$b('#selLayerNames').attr('disabled', 'disabled');
@@ -27448,16 +30156,14 @@ editor.init = function () {
 
   var updateTitle = function updateTitle(title) {
     title = title || svgCanvas.getDocumentTitle();
-    var newTitle = origTitle + (title ? ': ' + title : '');
-
-    // Remove title update with current context info, isn't really necessary
+    var newTitle = origTitle + (title ? ': ' + title : ''); // Remove title update with current context info, isn't really necessary
     // if (curContext) {
     //   new_title = new_title + curContext;
     // }
-    $$b('title:first').text(newTitle);
-  };
 
-  // called when we've selected a different element
+    $$b('title:first').text(newTitle);
+  }; // called when we've selected a different element
+
   /**
   *
   * @param {external:Window} win
@@ -27466,37 +30172,43 @@ editor.init = function () {
   * @fires module:svgcanvas.SvgCanvas#event:ext-selectedChanged
   * @returns {undefined}
   */
+
+
   var selectedChanged = function selectedChanged(win, elems) {
     var mode = svgCanvas.getMode();
+
     if (mode === 'select') {
       setSelectMode();
     }
-    var isNode = mode === 'pathedit';
-    // if elems[1] is present, then we have more than one element
+
+    var isNode = mode === 'pathedit'; // if elems[1] is present, then we have more than one element
+
     selectedElement = elems.length === 1 || elems[1] == null ? elems[0] : null;
     multiselected = elems.length >= 2 && elems[1] != null;
+
     if (selectedElement != null) {
       // unless we're already in always set the mode of the editor to select because
       // upon creation of a text element the editor is switched into
       // select mode and this event fires - we need our UI to be in sync
-
       if (!isNode) {
         updateToolbar();
       }
     } // if (elem != null)
-
     // Deal with pathedit mode
+
+
     togglePathEditMode(isNode, elems);
     updateContextPanel();
-    svgCanvas.runExtensions('selectedChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} */{
+    svgCanvas.runExtensions('selectedChanged',
+    /** @type {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} */
+    {
       elems: elems,
       selectedElement: selectedElement,
       multiselected: multiselected
     });
-  };
-
-  // Call when part of element is in process of changing, generally
+  }; // Call when part of element is in process of changing, generally
   // on mousemove actions like rotate, move, etc.
+
   /**
    * @param {external:Window} win
    * @param {module:svgcanvas.SvgCanvas#event:transition} elems
@@ -27504,6 +30216,8 @@ editor.init = function () {
    * @fires module:svgcanvas.SvgCanvas#event:ext-elementTransition
    * @returns {undefined}
    */
+
+
   var elementTransition = function elementTransition(win, elems) {
     var mode = svgCanvas.getMode();
     var elem = elems[0];
@@ -27512,8 +30226,8 @@ editor.init = function () {
       return;
     }
 
-    multiselected = elems.length >= 2 && elems[1] != null;
-    // Only updating fields for single elements for now
+    multiselected = elems.length >= 2 && elems[1] != null; // Only updating fields for single elements for now
+
     if (!multiselected) {
       switch (mode) {
         case 'rotate':
@@ -27521,28 +30235,30 @@ editor.init = function () {
           $$b('#angle').val(ang);
           $$b('#tool_reorient').toggleClass('disabled', ang === 0);
           break;
-
         // TODO: Update values that change on move/resize, etc
         // case 'select':
         // case 'resize':
         //   break;
       }
     }
-    svgCanvas.runExtensions('elementTransition', /** @type {module:svgcanvas.SvgCanvas#event:ext-elementTransition} */{
+
+    svgCanvas.runExtensions('elementTransition',
+    /** @type {module:svgcanvas.SvgCanvas#event:ext-elementTransition} */
+    {
       elems: elems
     });
   };
-
   /**
    * Test whether an element is a layer or not.
    * @param {SVGGElement} elem - The SVGGElement to test.
    * @returns {boolean} True if the element is a layer
    */
+
+
   function isLayer(elem) {
     return elem && elem.tagName === 'g' && Layer.CLASS_REGEX.test(elem.getAttribute('class'));
-  }
+  } // called when any element has changed
 
-  // called when any element has changed
   /**
    * @param {external:Window} win
    * @param {module:svgcanvas.SvgCanvas#event:changed} elems
@@ -27550,60 +30266,61 @@ editor.init = function () {
    * @fires module:svgcanvas.SvgCanvas#event:ext-elementChanged
    * @returns {undefined}
    */
+
+
   var elementChanged = function elementChanged(win, elems) {
     var mode = svgCanvas.getMode();
+
     if (mode === 'select') {
       setSelectMode();
     }
 
     for (var _i = 0; _i < elems.length; ++_i) {
       var elem = elems[_i];
-
       var isSvgElem = elem && elem.tagName === 'svg';
+
       if (isSvgElem || isLayer(elem)) {
-        populateLayers();
-        // if the element changed was the svg, then it could be a resolution change
+        populateLayers(); // if the element changed was the svg, then it could be a resolution change
+
         if (isSvgElem) {
           updateCanvas();
-        }
-        // Update selectedElement if element is no longer part of the image.
+        } // Update selectedElement if element is no longer part of the image.
         // This occurs for the text elements in Firefox
+
       } else if (elem && selectedElement && selectedElement.parentNode == null) {
         // || elem && elem.tagName == "path" && !multiselected) { // This was added in r1430, but not sure why
         selectedElement = elem;
       }
     }
 
-    editor.showSaveWarning = true;
-
-    // we update the contextual panel with potentially new
+    editor.showSaveWarning = true; // we update the contextual panel with potentially new
     // positional/sizing information (we DON'T want to update the
     // toolbar here as that creates an infinite loop)
     // also this updates the history buttons
-
     // we tell it to skip focusing the text control if the
     // text element was previously in focus
-    updateContextPanel();
 
-    // In the event a gradient was flipped:
+    updateContextPanel(); // In the event a gradient was flipped:
+
     if (selectedElement && mode === 'select') {
       paintBox.fill.update();
       paintBox.stroke.update();
     }
 
-    svgCanvas.runExtensions('elementChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-elementChanged} */{
+    svgCanvas.runExtensions('elementChanged',
+    /** @type {module:svgcanvas.SvgCanvas#event:ext-elementChanged} */
+    {
       elems: elems
     });
   };
-
   /**
    * @returns {undefined}
    */
-  var zoomDone = function zoomDone() {
-    updateWireFrame();
-    // updateCanvas(); // necessary?
-  };
 
+
+  var zoomDone = function zoomDone() {
+    updateWireFrame(); // updateCanvas(); // necessary?
+  };
   /**
   * @typedef {PlainObject} module:SVGEditor.BBoxObjectWithFactor (like `DOMRect`)
   * @property {Float} x
@@ -27623,21 +30340,26 @@ editor.init = function () {
   * @listens module:svgcanvas.SvgCanvas#event:zoomed
   * @returns {undefined}
   */
+
+
   var zoomChanged = svgCanvas.zoomChanged = function (win, bbox, autoCenter) {
     var scrbar = 15,
+        // res = svgCanvas.getResolution(), // Currently unused
+    wArea = workarea; // const canvasPos = $('#svgcanvas').position(); // Currently unused
 
-    // res = svgCanvas.getResolution(), // Currently unused
-    wArea = workarea;
-    // const canvasPos = $('#svgcanvas').position(); // Currently unused
     var zInfo = svgCanvas.setBBoxZoom(bbox, wArea.width() - scrbar, wArea.height() - scrbar);
+
     if (!zInfo) {
       return;
     }
+
     var zoomlevel = zInfo.zoom,
         bb = zInfo.bbox;
 
     if (zoomlevel < 0.001) {
-      changeZoom({ value: 0.1 });
+      changeZoom({
+        value: 0.1
+      });
       return;
     }
 
@@ -27646,7 +30368,10 @@ editor.init = function () {
     if (autoCenter) {
       updateCanvas();
     } else {
-      updateCanvas(false, { x: bb.x * zoomlevel + bb.width * zoomlevel / 2, y: bb.y * zoomlevel + bb.height * zoomlevel / 2 });
+      updateCanvas(false, {
+        x: bb.x * zoomlevel + bb.width * zoomlevel / 2,
+        y: bb.y * zoomlevel + bb.height * zoomlevel / 2
+      });
     }
 
     if (svgCanvas.getMode() === 'zoom' && bb.width) {
@@ -27659,13 +30384,14 @@ editor.init = function () {
 
   var changeZoom = function changeZoom(ctl) {
     var zoomlevel = ctl.value / 100;
+
     if (zoomlevel < 0.001) {
       ctl.value = 0.1;
       return;
     }
+
     var zoom = svgCanvas.getZoom();
     var wArea = workarea;
-
     zoomChanged(window, {
       width: 0,
       height: 0,
@@ -27678,30 +30404,33 @@ editor.init = function () {
 
   $$b('#cur_context_panel').delegate('a', 'click', function () {
     var link = $$b(this);
+
     if (link.attr('data-root')) {
       svgCanvas.leaveContext();
     } else {
       svgCanvas.setContext(link.text());
     }
+
     svgCanvas.clearSelection();
     return false;
   });
-
   /**
    * @param {external:Window} win
    * @param {module:svgcanvas.SvgCanvas#event:contextset} context
    * @listens module:svgcanvas.SvgCanvas#event:contextset
    * @returns {undefined}
    */
+
   var contextChanged = function contextChanged(win, context) {
     var linkStr = '';
+
     if (context) {
       var _str2 = '';
       linkStr = '<a href="#" data-root="y">' + svgCanvas.getCurrentDrawing().getCurrentLayerName() + '</a>';
-
       $$b(context).parentsUntil('#svgcontent > g').andSelf().each(function () {
         if (this.id) {
           _str2 += ' > ' + this.id;
+
           if (this !== context) {
             linkStr += ' > <a href="#">' + this.id + '</a>';
           } else {
@@ -27709,17 +30438,16 @@ editor.init = function () {
           }
         }
       });
-
       curContext = _str2;
     } else {
       curContext = null;
     }
+
     $$b('#cur_context_panel').toggle(!!context).html(linkStr);
-
     updateTitle();
-  };
+  }; // Makes sure the current selected paint is available to work with
+
 
-  // Makes sure the current selected paint is available to work with
   var prepPaints = function prepPaints() {
     paintBox.fill.prep();
     paintBox.stroke.prep();
@@ -27730,6 +30458,7 @@ editor.init = function () {
   var setFlyoutTitles = function setFlyoutTitles() {
     $$b('.tools_flyout').each(function () {
       var shower = $$b('#' + this.id + '_show');
+
       if (shower.data('isLibrary')) {
         return;
       }
@@ -27746,6 +30475,7 @@ editor.init = function () {
    * @param {Object.<string, module:SVGEditor.ToolButton>} holders Key is a selector
    * @returns {undefined}
    */
+
   var setupFlyouts = function setupFlyouts(holders) {
     $$b.each(holders, function (holdSel, btnOpts) {
       var _allHolders$holdSel;
@@ -27753,7 +30483,8 @@ editor.init = function () {
       if (!allHolders[holdSel]) {
         allHolders[holdSel] = [];
       }
-      (_allHolders$holdSel = allHolders[holdSel]).push.apply(_allHolders$holdSel, toConsumableArray(btnOpts));
+
+      (_allHolders$holdSel = allHolders[holdSel]).push.apply(_allHolders$holdSel, _toConsumableArray(btnOpts));
 
       var buttons = $$b(holdSel).children().not('.tool_button_evt_handled');
       var showSel = holdSel + '_show';
@@ -27765,17 +30496,15 @@ editor.init = function () {
         var idSel = '#' + this.getAttribute('id');
 
         var _Object$entries$find = Object.entries(btnOpts).find(function (_ref10) {
-          var _ref11 = slicedToArray(_ref10, 2),
+          var _ref11 = _slicedToArray(_ref10, 2),
               i = _ref11[0],
               sel = _ref11[1].sel;
 
           return sel === idSel;
         }),
-            _Object$entries$find2 = slicedToArray(_Object$entries$find, 2),
+            _Object$entries$find2 = _slicedToArray(_Object$entries$find, 2),
             i = _Object$entries$find2[0],
-            opts = _Object$entries$find2[1];
-
-        // Remember the function that goes with this ID
+            opts = _Object$entries$find2[1]; // Remember the function that goes with this ID
 
 
         flyoutFuncs[opts.sel] = opts.fn;
@@ -27783,44 +30512,51 @@ editor.init = function () {
         if (opts.isDefault) {
           def = i;
         }
-
         /**
          * Clicking the icon in flyout should set this set's icon
          * @param {Event} ev
          * @returns {undefined}
          */
+
+
         var flyoutAction = function flyoutAction(ev) {
-          var options = opts;
-          // Find the currently selected tool if comes from keystroke
+          var options = opts; // Find the currently selected tool if comes from keystroke
+
           if (ev.type === 'keydown') {
             var flyoutIsSelected = $$b(options.parent + '_show').hasClass('tool_button_current');
             var currentOperation = $$b(options.parent + '_show').attr('data-curopt');
             Object.entries(holders[opts.parent]).some(function (_ref12) {
-              var _ref13 = slicedToArray(_ref12, 2),
+              var _ref13 = _slicedToArray(_ref12, 2),
                   i = _ref13[0],
                   tool = _ref13[1];
 
               if (tool.sel !== currentOperation) {
                 return;
               }
+
               if (!ev.shiftKey || !flyoutIsSelected) {
                 options = tool;
               } else {
                 // If flyout is selected, allow shift key to iterate through subitems
-                i = parseInt(i, 10);
-                // Use `allHolders` to include both extension `includeWith` and toolbarButtons
+                i = parseInt(i, 10); // Use `allHolders` to include both extension `includeWith` and toolbarButtons
+
                 options = allHolders[opts.parent][i + 1] || holders[opts.parent][0];
               }
+
               return true;
             });
           }
+
           if ($$b(this).hasClass('disabled')) {
             return false;
           }
+
           if (toolButtonClick(showSel)) {
             options.fn();
           }
-          var icon = void 0;
+
+          var icon;
+
           if (options.icon) {
             icon = $$b.getSvgIcon(options.icon, true);
           } else {
@@ -27847,14 +30583,14 @@ editor.init = function () {
         shower.attr('data-curopt', btnOpts[0].sel);
       }
 
-      var timer = void 0;
-      var pos = $$b(showSel).position();
+      var timer;
+      var pos = $$b(showSel).position(); // Clicking the "show" icon should set the current mode
 
-      // Clicking the "show" icon should set the current mode
       shower.mousedown(function (evt) {
         if (shower.hasClass('disabled')) {
           return false;
         }
+
         var holder = $$b(holdSel);
         var l = pos.left + 34;
         var w = holder.width() * -1;
@@ -27868,22 +30604,23 @@ editor.init = function () {
           } else {
             holder.css('left', l).show();
           }
+
           holder.data('shown_popop', true);
         }, time);
         evt.preventDefault();
       }).mouseup(function (evt) {
         clearTimeout(timer);
-        var opt = $$b(this).attr('data-curopt');
-        // Is library and popped up, so do nothing
+        var opt = $$b(this).attr('data-curopt'); // Is library and popped up, so do nothing
+
         if (shower.data('isLibrary') && $$b(showSel.replace('_show', '')).is(':visible')) {
           toolButtonClick(showSel, true);
           return;
         }
+
         if (toolButtonClick(showSel) && flyoutFuncs[opt]) {
           flyoutFuncs[opt]();
         }
-      });
-      // $('#tools_rect').mouseleave(function () { $('#tools_rect').fadeOut(); });
+      }); // $('#tools_rect').mouseleave(function () { $('#tools_rect').fadeOut(); });
     });
     setFlyoutTitles();
     setFlyoutPositions();
@@ -27894,46 +30631,51 @@ editor.init = function () {
       class: 'tools_flyout',
       id: id
     }).appendTo('#svg_editor').append(child);
-
     return div;
-  };
+  }; // TODO: Combine this with addDropDown or find other way to optimize
+
 
-  // TODO: Combine this with addDropDown or find other way to optimize
   var addAltDropDown = function addAltDropDown(elem, list, callback, opts) {
     var button = $$b(elem);
     var dropUp = opts.dropUp;
-
     list = $$b(list);
+
     if (dropUp) {
       $$b(elem).addClass('dropup');
     }
+
     list.find('li').bind('mouseup', function () {
       if (opts.seticon) {
         setIcon('#cur_' + button[0].id, $$b(this).children());
         $$b(this).addClass('current').siblings().removeClass('current');
       }
+
       callback.apply(this, arguments);
     });
-
     var onButton = false;
     $$b(window).mouseup(function (evt) {
       if (!onButton) {
         button.removeClass('down');
         list.hide();
-        list.css({ top: 0, left: 0 });
+        list.css({
+          top: 0,
+          left: 0
+        });
       }
-      onButton = false;
-    });
 
-    // const height = list.height(); // Currently unused
+      onButton = false;
+    }); // const height = list.height(); // Currently unused
+
     button.bind('mousedown', function () {
       var off = button.offset();
+
       if (dropUp) {
         off.top -= list.height();
         off.left += 8;
       } else {
         off.top += button.height();
       }
+
       list.offset(off);
 
       if (!button.hasClass('down')) {
@@ -27942,8 +30684,12 @@ editor.init = function () {
       } else {
         // CSS position must be reset for Webkit
         list.hide();
-        list.css({ top: 0, left: 0 });
+        list.css({
+          top: 0,
+          left: 0
+        });
       }
+
       button.toggleClass('down');
     }).hover(function () {
       onButton = true;
@@ -27965,10 +30711,12 @@ editor.init = function () {
    * @listens module:svgcanvas.SvgCanvas#event:extension_added
    * @returns {Promise} Resolves to `undefined`
    */
+
   var extAdded = function extAdded(win, ext) {
     if (!ext) {
       return;
     }
+
     var cbCalled = false;
     var resizeDone = false;
 
@@ -27979,7 +30727,10 @@ editor.init = function () {
         ext.langReady({
           lang: lang,
           uiStrings: uiStrings$1,
-          importLocale: getImportLocale({ defaultLang: lang, defaultName: ext.name })
+          importLocale: getImportLocale({
+            defaultLang: lang,
+            defaultName: ext.name
+          })
         });
       } else {
         extsPreLang.push(ext);
@@ -27991,6 +30742,7 @@ editor.init = function () {
         clearTimeout(resizeTimer);
         resizeTimer = null;
       }
+
       if (!resizeDone) {
         resizeTimer = setTimeout(function () {
           resizeDone = true;
@@ -28007,7 +30759,6 @@ editor.init = function () {
     };
 
     var btnSelects = [];
-
     /**
     * @typedef {PlainObject} module:SVGEditor.ContextTool
     * @property {string} panel The ID of the existing panel to which the tool is being added. Required.
@@ -28023,55 +30774,60 @@ editor.init = function () {
     * @property {Integer} [size] Value of the "size" attribute of the tool input
     * @property {module:jQuerySpinButton.SpinButtonConfig} [spindata] When added to a tool of type "input", this tool becomes a "spinner" which allows the number to be in/decreased.
     */
+
     if (ext.context_tools) {
       $$b.each(ext.context_tools, function (i, tool) {
         // Add select tool
         var contId = tool.container_id ? ' id="' + tool.container_id + '"' : '';
+        var panel = $$b('#' + tool.panel); // create the panel if it doesn't exist
 
-        var panel = $$b('#' + tool.panel);
-        // create the panel if it doesn't exist
         if (!panel.length) {
-          panel = $$b('<div>', { id: tool.panel }).appendTo('#tools_top');
+          panel = $$b('<div>', {
+            id: tool.panel
+          }).appendTo('#tools_top');
         }
 
-        var html = void 0;
-        // TODO: Allow support for other types, or adding to existing tool
+        var html; // TODO: Allow support for other types, or adding to existing tool
+
         switch (tool.type) {
           case 'tool_button':
             html = '<div class="tool_button">' + tool.id + '</div>';
             var div = $$b(html).appendTo(panel);
+
             if (tool.events) {
               $$b.each(tool.events, function (evt, func) {
                 $$b(div).bind(evt, func);
               });
             }
+
             break;
+
           case 'select':
             html = '<label' + contId + '>' + '<select id="' + tool.id + '">';
             $$b.each(tool.options, function (val, text) {
               var sel = val === tool.defval ? ' selected' : '';
               html += '<option value="' + val + '"' + sel + '>' + text + '</option>';
             });
-            html += '</select></label>';
-            // Creates the tool, hides & adds it, returns the select element
-            var sel = $$b(html).appendTo(panel).find('select');
+            html += '</select></label>'; // Creates the tool, hides & adds it, returns the select element
 
+            var sel = $$b(html).appendTo(panel).find('select');
             $$b.each(tool.events, function (evt, func) {
               $$b(sel).bind(evt, func);
             });
             break;
+
           case 'button-select':
             html = '<div id="' + tool.id + '" class="dropdown toolset" title="' + tool.title + '">' + '<div id="cur_' + tool.id + '" class="icon_label"></div><button></button></div>';
-
             var list = $$b('<ul id="' + tool.id + '_opts"></ul>').appendTo('#option_lists');
 
             if (tool.colnum) {
               list.addClass('optcols' + tool.colnum);
-            }
+            } // Creates the tool, hides & adds it, returns the select element
 
-            // Creates the tool, hides & adds it, returns the select element
-            /* const dropdown = */$$b(html).appendTo(panel).children();
+            /* const dropdown = */
 
+
+            $$b(html).appendTo(panel).children();
             btnSelects.push({
               elem: '#' + tool.id,
               list: '#' + tool.id + '_opts',
@@ -28079,14 +30835,12 @@ editor.init = function () {
               callback: tool.events.change,
               cur: '#cur_' + tool.id
             });
-
             break;
+
           case 'input':
-            html = '<label' + contId + '>' + '<span id="' + tool.id + '_label">' + tool.label + ':</span>' + '<input id="' + tool.id + '" title="' + tool.title + '" size="' + (tool.size || '4') + '" value="' + (tool.defval || '') + '" type="text"/></label>';
-
-            // Creates the tool, hides & adds it, returns the select element
-
+            html = '<label' + contId + '>' + '<span id="' + tool.id + '_label">' + tool.label + ':</span>' + '<input id="' + tool.id + '" title="' + tool.title + '" size="' + (tool.size || '4') + '" value="' + (tool.defval || '') + '" type="text"/></label>'; // Creates the tool, hides & adds it, returns the select element
             // Add to given tool.panel
+
             var inp = $$b(html).appendTo(panel).find('input');
 
             if (tool.spindata) {
@@ -28098,6 +30852,7 @@ editor.init = function () {
                 inp.bind(evt, func);
               });
             }
+
             break;
 
           default:
@@ -28112,16 +30867,17 @@ editor.init = function () {
       var fallbackObj = {},
           placementObj = {},
           holders = {};
-
       /**
       * @typedef {GenericArray} module:SVGEditor.KeyArray
       * @property {string} 0 The key to bind (on `keydown`)
       * @property {boolean} 1 Whether to `preventDefault` on the `keydown` event
       * @property {boolean} 2 Not apparently in use (NoDisableInInput)
       */
+
       /**
        * @typedef {string|module:SVGEditor.KeyArray} module:SVGEditor.Key
        */
+
       /**
       * @typedef {PlainObject} module:SVGEditor.Button
       * @property {string} id A unique identifier for this button. If SVG icons are used, this must match the ID used in the icon file. Required.
@@ -28141,21 +30897,25 @@ editor.init = function () {
       * @property {module:SVGEditor.Key} [key] The key to bind to the button
       */
       // Add buttons given by extension
-      $$b.each(ext.buttons, function (i, /** @type {module:SVGEditor.Button} */btn) {
-        var id = btn.id;
 
-        var num = i;
-        // Give button a unique ID
+      $$b.each(ext.buttons, function (i,
+      /** @type {module:SVGEditor.Button} */
+      btn) {
+        var id = btn.id;
+        var num = i; // Give button a unique ID
+
         while ($$b('#' + id).length) {
           id = btn.id + '_' + ++num;
         }
 
-        var icon = void 0;
+        var icon;
+
         if (!svgicons) {
           icon = $$b('<img src="' + btn.icon + '">');
         } else {
           fallbackObj[id] = btn.icon;
           var svgicon = btn.svgicon || btn.id;
+
           if (btn.type === 'app_menu') {
             placementObj['#' + id + ' > div'] = svgicon;
           } else {
@@ -28163,34 +30923,36 @@ editor.init = function () {
           }
         }
 
-        var cls = void 0,
-            parent = void 0;
+        var cls, parent; // Set button up according to its type
 
-        // Set button up according to its type
         switch (btn.type) {
           case 'mode_flyout':
           case 'mode':
             cls = 'tool_button';
             parent = '#tools_left';
             break;
+
           case 'context':
             cls = 'tool_button';
-            parent = '#' + btn.panel;
-            // create the panel if it doesn't exist
+            parent = '#' + btn.panel; // create the panel if it doesn't exist
+
             if (!$$b(parent).length) {
-              $$b('<div>', { id: btn.panel }).appendTo('#tools_top');
+              $$b('<div>', {
+                id: btn.panel
+              }).appendTo('#tools_top');
             }
+
             break;
+
           case 'app_menu':
             cls = '';
             parent = '#main_menu ul';
             break;
         }
-        var flyoutHolder = void 0,
-            showBtn = void 0,
-            refData = void 0,
-            refBtn = void 0;
+
+        var flyoutHolder, showBtn, refData, refBtn;
         var button = $$b(btn.list || btn.type === 'app_menu' ? '<li/>' : '<div/>').attr('id', id).attr('title', btn.title).addClass(cls);
+
         if (!btn.includeWith && !btn.list) {
           if ('position' in btn) {
             if ($$b(parent).children().eq(btn.position).length) {
@@ -28207,29 +30969,30 @@ editor.init = function () {
             // const opts = btn.includeWith;
             // // opts.button, default, position
             refBtn = $$b(button);
+            flyoutHolder = refBtn.parent(); // Create a flyout menu if there isn't one already
+
+            var tlsId;
 
-            flyoutHolder = refBtn.parent();
-            // Create a flyout menu if there isn't one already
-            var tlsId = void 0;
             if (!refBtn.parent().hasClass('tools_flyout')) {
               // Create flyout placeholder
               tlsId = refBtn[0].id.replace('tool_', 'tools_');
-              showBtn = refBtn.clone().attr('id', tlsId + '_show').append($$b('<div>', { class: 'flyout_arrow_horiz' }));
+              showBtn = refBtn.clone().attr('id', tlsId + '_show').append($$b('<div>', {
+                class: 'flyout_arrow_horiz'
+              }));
+              refBtn.before(showBtn); // Create a flyout div
 
-              refBtn.before(showBtn);
-
-              // Create a flyout div
               flyoutHolder = makeFlyoutHolder(tlsId, refBtn);
               flyoutHolder.data('isLibrary', true);
               showBtn.data('isLibrary', true);
-            }
-            // refData = Actions.getButtonData(opts.button);
+            } // refData = Actions.getButtonData(opts.button);
 
-            placementObj['#' + tlsId + '_show'] = btn.id;
-            // TODO: Find way to set the current icon using the iconloader if this is not default
 
+            placementObj['#' + tlsId + '_show'] = btn.id; // TODO: Find way to set the current icon using the iconloader if this is not default
             // Include data for extension button as well as ref button
-            /* curH = */holders['#' + flyoutHolder[0].id] = [{
+
+            /* curH = */
+
+            holders['#' + flyoutHolder[0].id] = [{
               sel: '#' + id,
               fn: btn.events.click,
               icon: btn.id,
@@ -28256,27 +31019,31 @@ editor.init = function () {
           // Add button to list
           button.addClass('push_button');
           $$b('#' + btn.list + '_opts').append(button);
+
           if (btn.isDefault) {
             $$b('#cur_' + btn.list).append(button.children().clone());
+
             var _svgicon = btn.svgicon || btn.id;
+
             placementObj['#cur_' + btn.list] = _svgicon;
           }
         } else if (btn.includeWith) {
           // Add to flyout menu / make flyout menu
-          var opts = btn.includeWith;
-          // opts.button, default, position
-          refBtn = $$b(opts.button);
+          var opts = btn.includeWith; // opts.button, default, position
+
+          refBtn = $$b(opts.button);
+          flyoutHolder = refBtn.parent(); // Create a flyout menu if there isn't one already
+
+          var _tlsId;
 
-          flyoutHolder = refBtn.parent();
-          // Create a flyout menu if there isn't one already
-          var _tlsId = void 0;
           if (!refBtn.parent().hasClass('tools_flyout')) {
             // Create flyout placeholder
             _tlsId = refBtn[0].id.replace('tool_', 'tools_');
-            showBtn = refBtn.clone().attr('id', _tlsId + '_show').append($$b('<div>', { class: 'flyout_arrow_horiz' }));
+            showBtn = refBtn.clone().attr('id', _tlsId + '_show').append($$b('<div>', {
+              class: 'flyout_arrow_horiz'
+            }));
+            refBtn.before(showBtn); // Create a flyout div
 
-            refBtn.before(showBtn);
-            // Create a flyout div
             flyoutHolder = makeFlyoutHolder(_tlsId, refBtn);
           }
 
@@ -28284,24 +31051,21 @@ editor.init = function () {
 
           if (opts.isDefault) {
             placementObj['#' + _tlsId + '_show'] = btn.id;
-          }
-          // TODO: Find way to set the current icon using the iconloader if this is not default
-
+          } // TODO: Find way to set the current icon using the iconloader if this is not default
           // Include data for extension button as well as ref button
+
+
           var curH = holders['#' + flyoutHolder[0].id] = [{
             sel: '#' + id,
             fn: btn.events.click,
             icon: btn.id,
             key: btn.key,
             isDefault: Boolean(btn.includeWith && btn.includeWith.isDefault)
-          }, refData];
-
-          // {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}
+          }, refData]; // {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}
 
           var pos = 'position' in opts ? opts.position : 'last';
-          var len = flyoutHolder.children().length;
+          var len = flyoutHolder.children().length; // Add at given position or end
 
-          // Add at given position or end
           if (!isNaN(pos) && pos >= 0 && pos < len) {
             flyoutHolder.children().eq(pos).before(button);
           } else {
@@ -28327,8 +31091,10 @@ editor.init = function () {
                   }
                 });
               }
+
               if (btn.key) {
                 $$b(document).bind('keydown', btn.key, func);
+
                 if (btn.title) {
                   button.attr('title', btn.title + ' [' + btn.key + ']');
                 }
@@ -28341,15 +31107,17 @@ editor.init = function () {
 
         setupFlyouts(holders);
       });
-
       $$b.each(btnSelects, function () {
-        addAltDropDown(this.elem, this.list, this.callback, { seticon: true });
+        addAltDropDown(this.elem, this.list, this.callback, {
+          seticon: true
+        });
       });
 
       if (svgicons) {
         return new Promise(function (resolve, reject) {
           $$b.svgIcons(svgicons, {
-            w: 24, h: 24,
+            w: 24,
+            h: 24,
             id_match: false,
             no_img: !isWebkit(),
             fallback: fallbackObj,
@@ -28360,6 +31128,7 @@ editor.init = function () {
               if ($$b.pref('iconsize') !== 'm') {
                 prepResize();
               }
+
               runCallback();
               resolve();
             }
@@ -28367,32 +31136,38 @@ editor.init = function () {
         });
       }
     }
+
     return runCallback();
   };
 
   var getPaint = function getPaint(color, opac, type) {
     // update the editor's fill paint
-    var opts = { alpha: opac };
+    var opts = {
+      alpha: opac
+    };
+
     if (color.startsWith('url(#')) {
       var refElem = svgCanvas.getRefElem(color);
+
       if (refElem) {
         refElem = refElem.cloneNode(true);
       } else {
         refElem = $$b('#' + type + '_color defs *')[0];
       }
+
       opts[refElem.tagName] = refElem;
     } else if (color.startsWith('#')) {
       opts.solidColor = color.substr(1);
     } else {
       opts.solidColor = 'none';
     }
+
     return new $$b.jGraduate.Paint(opts);
-  };
-
-  // $('#text').focus(function () { textBeingEntered = true; });
+  }; // $('#text').focus(function () { textBeingEntered = true; });
   // $('#text').blur(function () { textBeingEntered = false; });
-
   // bind the selected event to our function that handles updates to the UI
+
+
   svgCanvas.bind('selected', selectedChanged);
   svgCanvas.bind('transition', elementTransition);
   svgCanvas.bind('changed', elementChanged);
@@ -28403,15 +31178,18 @@ editor.init = function () {
       // Ignore Chrome
       return;
     }
+
     var exportWindowName = data.exportWindowName;
 
     if (exportWindowName) {
       exportWindow = window.open('', exportWindowName); // A hack to get the window via JSON-able name without opening a new one
     }
+
     if (!exportWindow || exportWindow.closed) {
       $$b.alert(uiStrings$1.notification.popupWindowBlocked);
       return;
     }
+
     exportWindow.location.href = data.output;
   });
   svgCanvas.bind('zoomed', zoomChanged);
@@ -28427,22 +31205,20 @@ editor.init = function () {
   function (win, _ref14) {
     var center = _ref14.center,
         newCtr = _ref14.newCtr;
-
     updateCanvas(center, newCtr);
   });
   svgCanvas.bind('contextset', contextChanged);
   svgCanvas.bind('extension_added', extAdded);
   svgCanvas.textActions.setInputElem($$b('#text')[0]);
-
   var str = '<div class="palette_item" data-rgb="none"></div>';
   $$b.each(palette, function (i, item) {
     str += '<div class="palette_item" style="background-color: ' + item + ';" data-rgb="' + item + '"></div>';
   });
-  $$b('#palette').append(str);
-
-  // Set up editor background functionality
+  $$b('#palette').append(str); // Set up editor background functionality
   // TODO add checkerboard as "pattern"
+
   var colorBlocks = ['#FFF', '#888', '#000']; // ,'url(data:image/gif;base64,R0lGODlhEAAQAIAAAP%2F%2F%2F9bW1iH5BAAAAAAALAAAAAAQABAAAAIfjG%2Bgq4jM3IFLJgpswNly%2FXkcBpIiVaInlLJr9FZWAQA7)'];
+
   str = '';
   $$b.each(colorBlocks, function () {
     str += '<div class="color_block" style="background-color:' + this + ';"></div>';
@@ -28457,9 +31233,7 @@ editor.init = function () {
       $$b(this).addClass(curBg);
     });
   });
-
   setBackground($$b.pref('bkgd_color'), $$b.pref('bkgd_url'));
-
   $$b('#image_save_opts input').val([$$b.pref('img_save')]);
 
   var changeRectRadius = function changeRectRadius(ctl) {
@@ -28472,9 +31246,11 @@ editor.init = function () {
 
   var changeStrokeWidth = function changeStrokeWidth(ctl) {
     var val = ctl.value;
+
     if (val === 0 && selectedElement && ['line', 'polyline'].includes(selectedElement.nodeName)) {
       val = ctl.value = 1;
     }
+
     svgCanvas.setStrokeWidth(val);
   };
 
@@ -28487,10 +31263,13 @@ editor.init = function () {
     if (val == null) {
       val = ctl.value;
     }
+
     $$b('#group_opacity').val(val);
+
     if (!ctl || !ctl.handle) {
       $$b('#opac_slider').slider('option', 'value', val);
     }
+
     svgCanvas.setOpacity(val / 100);
   };
 
@@ -28498,12 +31277,15 @@ editor.init = function () {
     if (val == null) {
       val = ctl.value;
     }
+
     $$b('#blur').val(val);
     var complete = false;
+
     if (!ctl || !ctl.handle) {
       $$b('#blur_slider').slider('option', 'value', val);
       complete = true;
     }
+
     if (noUndo) {
       svgCanvas.setBlurNoUndo(val);
     } else {
@@ -28515,31 +31297,31 @@ editor.init = function () {
     svgCanvas.setStrokeAttr('stroke-dasharray', $$b(this).val());
     operaRepaint();
   });
-
   $$b('#stroke_linejoin').change(function () {
     svgCanvas.setStrokeAttr('stroke-linejoin', $$b(this).val());
     operaRepaint();
-  });
+  }); // Lose focus for select elements when changed (Allows keyboard shortcuts to work better)
 
-  // Lose focus for select elements when changed (Allows keyboard shortcuts to work better)
   $$b('select').change(function () {
     $$b(this).blur();
-  });
+  }); // fired when user wants to move elements to another layer
 
-  // fired when user wants to move elements to another layer
   var promptMoveLayerOnce = false;
   $$b('#selLayerNames').change(function () {
     var destLayer = this.options[this.selectedIndex].value;
     var confirmStr = uiStrings$1.notification.QmoveElemsToLayer.replace('%s', destLayer);
+
     var moveToLayer = function moveToLayer(ok) {
       if (!ok) {
         return;
       }
+
       promptMoveLayerOnce = true;
       svgCanvas.moveSelectedToLayer(destLayer);
       svgCanvas.clearSelection();
       populateLayers();
     };
+
     if (destLayer) {
       if (promptMoveLayerOnce) {
         moveToLayer(true);
@@ -28548,23 +31330,18 @@ editor.init = function () {
       }
     }
   });
-
   $$b('#font_family').change(function () {
     svgCanvas.setFontFamily(this.value);
   });
-
   $$b('#seg_type').change(function () {
     svgCanvas.setSegType($$b(this).val());
   });
-
   $$b('#text').bind('keyup input', function () {
     svgCanvas.setTextContent(this.value);
   });
-
   $$b('#image_url').change(function () {
     setImageURL(this.value);
   });
-
   $$b('#link_url').change(function () {
     if (this.value.length) {
       svgCanvas.setLinkURL(this.value);
@@ -28572,11 +31349,9 @@ editor.init = function () {
       svgCanvas.removeHyperlink();
     }
   });
-
   $$b('#g_title').change(function () {
     svgCanvas.setGroupTitle(this.value);
   });
-
   $$b('.attr_changer').change(function () {
     var attr = this.getAttribute('data-attr');
     var val = this.value;
@@ -28593,17 +31368,16 @@ editor.init = function () {
         val = svgCanvas.convertToNum(attr, val);
       } else if (curConfig.baseUnit !== 'px') {
         // Convert unitless value to one with given unit
-
         var unitData = getTypeMap();
 
         if (selectedElement[attr] || svgCanvas.getMode() === 'pathedit' || attr === 'x' || attr === 'y') {
           val *= unitData[curConfig.baseUnit];
         }
       }
-    }
-
-    // if the user is changing the id, then de-select the element first
+    } // if the user is changing the id, then de-select the element first
     // change the ID, then re-select it with the new ID
+
+
     if (attr === 'id') {
       var elem = selectedElement;
       svgCanvas.clearSelection();
@@ -28612,28 +31386,29 @@ editor.init = function () {
     } else {
       svgCanvas.changeSelectedAttribute(attr, val);
     }
-    this.blur();
-  });
 
-  // Prevent selection of elements when shift-clicking
+    this.blur();
+  }); // Prevent selection of elements when shift-clicking
+
   $$b('#palette').mouseover(function () {
     var inp = $$b('<input type="hidden">');
     $$b(this).append(inp);
     inp.focus().remove();
   });
-
   $$b('.palette_item').mousedown(function (evt) {
     // shift key or right click for stroke
     var picker = evt.shiftKey || evt.button === 2 ? 'stroke' : 'fill';
     var color = $$b(this).data('rgb');
-    var paint = void 0;
+    var paint; // Webkit-based browsers returned 'initial' here for no stroke
 
-    // Webkit-based browsers returned 'initial' here for no stroke
     if (color === 'none' || color === 'transparent' || color === 'initial') {
       color = 'none';
       paint = new $$b.jGraduate.Paint();
     } else {
-      paint = new $$b.jGraduate.Paint({ alpha: 100, solidColor: color.substr(1) });
+      paint = new $$b.jGraduate.Paint({
+        alpha: 100,
+        solidColor: color.substr(1)
+      });
     }
 
     paintBox[picker].setPaint(paint);
@@ -28642,23 +31417,21 @@ editor.init = function () {
     if (color !== 'none' && svgCanvas.getPaintOpacity(picker) !== 1) {
       svgCanvas.setPaintOpacity(picker, 1.0);
     }
+
     updateToolButtonState();
   }).bind('contextmenu', function (e) {
     e.preventDefault();
   });
-
   $$b('#toggle_stroke_tools').on('click', function () {
     $$b('#tools_bottom').toggleClass('expanded');
   });
 
   (function () {
     var wArea = workarea[0];
-
     var lastX = null,
         lastY = null,
         panning = false,
         keypan = false;
-
     $$b('#svgcanvas').bind('mousemove mouseup', function (evt) {
       if (panning === false) {
         return;
@@ -28666,13 +31439,13 @@ editor.init = function () {
 
       wArea.scrollLeft -= evt.clientX - lastX;
       wArea.scrollTop -= evt.clientY - lastY;
-
       lastX = evt.clientX;
       lastY = evt.clientY;
 
       if (evt.type === 'mouseup') {
         panning = false;
       }
+
       return false;
     }).mousedown(function (evt) {
       if (evt.button === 1 || keypan === true) {
@@ -28682,11 +31455,9 @@ editor.init = function () {
         return false;
       }
     });
-
     $$b(window).mouseup(function () {
       panning = false;
     });
-
     $$b(document).bind('keydown', 'space', function (evt) {
       svgCanvas.spaceKey = keypan = true;
       evt.preventDefault();
@@ -28702,11 +31473,11 @@ editor.init = function () {
         workarea.css('cursor', zoomInIcon);
       }
     });
-
     /**
     * @param {boolean} active
     * @returns {undefined}
     */
+
     editor.setPanning = function (active) {
       svgCanvas.spaceKey = keypan = active;
     };
@@ -28716,12 +31487,10 @@ editor.init = function () {
     var button = $$b('#main_icon');
     var overlay = $$b('#main_icon span');
     var list = $$b('#main_menu');
-
     var onButton = false;
     var height = 0;
     var jsHover = true;
     var setClick = false;
-
     /*
     // Currently unused
     const hideMenu = function () {
@@ -28731,9 +31500,9 @@ editor.init = function () {
 
     $$b(window).mouseup(function (evt) {
       if (!onButton) {
-        button.removeClass('buttondown');
-        // do not hide if it was the file input as that input needs to be visible
+        button.removeClass('buttondown'); // do not hide if it was the file input as that input needs to be visible
         // for its change event to fire
+
         if (evt.target.tagName !== 'INPUT') {
           list.fadeOut(200);
         } else if (!setClick) {
@@ -28743,23 +31512,26 @@ editor.init = function () {
           });
         }
       }
+
       onButton = false;
     }).mousedown(function (evt) {
       // $('.contextMenu').hide();
       var islib = $$b(evt.target).closest('div.tools_flyout, .contextMenu').length;
+
       if (!islib) {
         $$b('.tools_flyout:visible,.contextMenu').fadeOut(250);
       }
     });
-
     overlay.bind('mousedown', function () {
       if (!button.hasClass('buttondown')) {
         // Margin must be reset in case it was changed before;
         list.css('margin-left', 0).show();
+
         if (!height) {
           height = list.height();
-        }
-        // Using custom animation as slideDown has annoying 'bounce effect'
+        } // Using custom animation as slideDown has annoying 'bounce effect'
+
+
         list.css('height', 0).animate({
           height: height
         }, 200);
@@ -28767,20 +31539,19 @@ editor.init = function () {
       } else {
         list.fadeOut(200);
       }
+
       button.toggleClass('buttondown buttonup');
     }).hover(function () {
       onButton = true;
     }).mouseout(function () {
       onButton = false;
     });
+    var listItems = $$b('#main_menu li'); // Check if JS method of hovering needs to be used (Webkit bug)
 
-    var listItems = $$b('#main_menu li');
-
-    // Check if JS method of hovering needs to be used (Webkit bug)
     listItems.mouseover(function () {
       jsHover = $$b(this).css('background-color') === 'rgba(0, 0, 0, 0)';
-
       listItems.unbind('mouseover');
+
       if (jsHover) {
         listItems.mouseover(function () {
           this.style.backgroundColor = '#FFC';
@@ -28790,9 +31561,9 @@ editor.init = function () {
         });
       }
     });
-  })();
-  // Made public for UI customization.
+  })(); // Made public for UI customization.
   // TODO: Group UI functions into a public editor.ui interface.
+
   /**
    * See {@link http://api.jquery.com/bind/#bind-eventType-eventData-handler}
    * @callback module:SVGEditor.DropDownCallback
@@ -28800,35 +31571,41 @@ editor.init = function () {
    * @listens external:jQuery.Event
    * @returns {undefined|boolean} Calls `preventDefault()` and `stopPropagation()`
   */
+
   /**
    * @param {Element|string} elem DOM Element or selector
    * @param {module:SVGEditor.DropDownCallback} callback Mouseup callback
    * @param {boolean} dropUp
    * @returns {undefined}
   */
+
+
   editor.addDropDown = function (elem, callback, dropUp) {
     if (!$$b(elem).length) {
       return;
     } // Quit if called on non-existent element
+
+
     var button = $$b(elem).find('button');
     var list = $$b(elem).find('ul').attr('id', $$b(elem)[0].id + '-list');
+
     if (dropUp) {
       $$b(elem).addClass('dropup');
     } else {
       // Move list to place where it can overflow container
       $$b('#option_lists').append(list);
     }
-    list.find('li').bind('mouseup', callback);
 
+    list.find('li').bind('mouseup', callback);
     var onButton = false;
     $$b(window).mouseup(function (evt) {
       if (!onButton) {
         button.removeClass('down');
         list.hide();
       }
+
       onButton = false;
     });
-
     button.bind('mousedown', function () {
       if (!button.hasClass('down')) {
         if (!dropUp) {
@@ -28838,11 +31615,13 @@ editor.init = function () {
             left: pos.left - 10
           });
         }
+
         list.show();
         onButton = true;
       } else {
         list.hide();
       }
+
       button.toggleClass('down');
     }).hover(function () {
       onButton = true;
@@ -28854,16 +31633,15 @@ editor.init = function () {
   editor.addDropDown('#font_family_dropdown', function () {
     $$b('#font_family').val($$b(this).text()).change();
   });
-
   editor.addDropDown('#opacity_dropdown', function () {
     if ($$b(this).find('div').length) {
       return;
     }
+
     var perc = parseInt($$b(this).text().split('%')[0], 10);
     changeOpacity(false, perc);
-  }, true);
+  }, true); // For slider usage, see: http://jqueryui.com/demos/slider/
 
-  // For slider usage, see: http://jqueryui.com/demos/slider/
   $$b('#opac_slider').slider({
     start: function start() {
       $$b('#opacity_dropdown li:not(.special)').hide();
@@ -28876,9 +31654,7 @@ editor.init = function () {
       changeOpacity(ui);
     }
   });
-
   editor.addDropDown('#blur_dropdown', $$b.noop);
-
   var slideStart = false;
   $$b('#blur_slider').slider({
     max: 10,
@@ -28896,30 +31672,34 @@ editor.init = function () {
       changeBlur(ui, null, slideStart);
     }
   });
-
   editor.addDropDown('#zoom_dropdown', function () {
     var item = $$b(this);
     var val = item.data('val');
+
     if (val) {
       zoomChanged(window, val);
     } else {
-      changeZoom({ value: parseFloat(item.text()) });
+      changeZoom({
+        value: parseFloat(item.text())
+      });
     }
   }, true);
-
   addAltDropDown('#stroke_linecap', '#linecap_opts', function () {
     setStrokeOpt(this, true);
-  }, { dropUp: true });
-
+  }, {
+    dropUp: true
+  });
   addAltDropDown('#stroke_linejoin', '#linejoin_opts', function () {
     setStrokeOpt(this, true);
-  }, { dropUp: true });
-
+  }, {
+    dropUp: true
+  });
   addAltDropDown('#tool_position', '#position_opts', function () {
     var letter = this.id.replace('tool_pos', '').charAt(0);
     svgCanvas.alignSelectedElements(letter, 'page');
-  }, { multiclick: true });
-
+  }, {
+    multiclick: true
+  });
   /*
    When a flyout icon is selected
     (if flyout) {
@@ -28932,10 +31712,11 @@ editor.init = function () {
     , else:
     - Just run its stuff
    */
-
   // Unfocus text input when workarea is mousedowned.
+
   (function () {
-    var inp = void 0;
+    var inp;
+
     var unfocus = function unfocus() {
       $$b(inp).blur();
     };
@@ -28946,8 +31727,8 @@ editor.init = function () {
       workarea.mousedown(unfocus);
     }).blur(function () {
       uiContext = 'canvas';
-      workarea.unbind('mousedown', unfocus);
-      // Go back to selecting text if in textedit mode
+      workarea.unbind('mousedown', unfocus); // Go back to selecting text if in textedit mode
+
       if (svgCanvas.getMode() === 'textedit') {
         $$b('#text').focus();
       }
@@ -29017,8 +31798,8 @@ editor.init = function () {
 
   var zoomImage = function zoomImage(multiplier) {
     var res = svgCanvas.getResolution();
-    multiplier = multiplier ? res.zoom * multiplier : 1;
-    // setResolution(res.w * multiplier, res.h * multiplier, true);
+    multiplier = multiplier ? res.zoom * multiplier : 1; // setResolution(res.w * multiplier, res.h * multiplier, true);
+
     $$b('#zoom').val(multiplier * 100);
     svgCanvas.setZoom(multiplier);
     zoomDone();
@@ -29042,10 +31823,10 @@ editor.init = function () {
     if (toolButtonClick('#tool_path')) {
       svgCanvas.setMode('path');
     }
-  };
-
-  // Delete is a contextual tool that only appears in the ribbon if
+  }; // Delete is a contextual tool that only appears in the ribbon if
   // an element has been selected
+
+
   var deleteSelected = function deleteSelected() {
     if (selectedElement != null || multiselected) {
       svgCanvas.deleteSelectedElements();
@@ -29119,6 +31900,7 @@ editor.init = function () {
         dx *= multi;
         dy *= multi;
       }
+
       svgCanvas.moveSelectedElements(dx, dy);
     }
   };
@@ -29164,20 +31946,23 @@ editor.init = function () {
     if (selectedElement == null || multiselected) {
       return;
     }
+
     if (!cw) {
       step *= -1;
     }
+
     var angle = parseFloat($$b('#angle').val()) + step;
     svgCanvas.setRotationAngle(angle);
     updateContextPanel();
   };
-
   /**
    * @fires module:svgcanvas.SvgCanvas#event:ext-onNewDocument
    * @returns {undefined}
    */
+
+
   var clickClear = function clickClear() {
-    var _curConfig$dimensions = slicedToArray(curConfig.dimensions, 2),
+    var _curConfig$dimensions = _slicedToArray(curConfig.dimensions, 2),
         x = _curConfig$dimensions[0],
         y = _curConfig$dimensions[1];
 
@@ -29185,6 +31970,7 @@ editor.init = function () {
       if (!ok) {
         return;
       }
+
       setSelectMode();
       svgCanvas.clear();
       svgCanvas.setResolution(x, y);
@@ -29218,38 +32004,49 @@ editor.init = function () {
     svgCanvas.save(saveOpts);
   };
 
-  var loadingURL = void 0;
+  var loadingURL;
+
   var clickExport = function clickExport() {
-    $$b.select('Select an image type for export: ', [
-    // See http://kangax.github.io/jstests/toDataUrl_mime_type_test/ for a useful list of MIME types and browser support
+    $$b.select('Select an image type for export: ', [// See http://kangax.github.io/jstests/toDataUrl_mime_type_test/ for a useful list of MIME types and browser support
     // 'ICO', // Todo: Find a way to preserve transparency in SVG-Edit if not working presently and do full packaging for x-icon; then switch back to position after 'PNG'
-    'PNG', 'JPEG', 'BMP', 'WEBP', 'PDF'], function () {
-      var _ref15 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee5(imgType) {
+    'PNG', 'JPEG', 'BMP', 'WEBP', 'PDF'],
+    /*#__PURE__*/
+    function () {
+      var _ref15 = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee5(imgType) {
         var exportWindowName, openExportWindow, chrome, quality;
         return regeneratorRuntime.wrap(function _callee5$(_context5) {
           while (1) {
             switch (_context5.prev = _context5.next) {
               case 0:
-                openExportWindow = function openExportWindow() {
+                openExportWindow = function _ref16() {
                   var str = uiStrings$1.notification.loadingImage;
+
                   if (curConfig.exportWindowType === 'new') {
                     editor.exportWindowCt++;
                   }
+
                   exportWindowName = curConfig.canvasName + editor.exportWindowCt;
-                  var popHTML = void 0,
-                      popURL = void 0;
+                  var popHTML, popURL;
+
                   if (loadingURL) {
                     popURL = loadingURL;
                   } else {
-                    popHTML = '<!DOCTYPE html><html>\n            <head>\n              <meta charset="utf-8">\n              <title>' + str + '</title>\n            </head>\n            <body><h1>' + str + '</h1></body>\n          <html>';
+                    popHTML = "<!DOCTYPE html><html>\n            <head>\n              <meta charset=\"utf-8\">\n              <title>".concat(str, "</title>\n            </head>\n            <body><h1>").concat(str, "</h1></body>\n          <html>");
+
                     if (typeof URL !== 'undefined' && URL.createObjectURL) {
-                      var blob = new Blob([popHTML], { type: 'text/html' });
+                      var blob = new Blob([popHTML], {
+                        type: 'text/html'
+                      });
                       popURL = URL.createObjectURL(blob);
                     } else {
                       popURL = 'data:text/html;base64;charset=utf-8,' + encode64(popHTML);
                     }
+
                     loadingURL = popURL;
                   }
+
                   exportWindow = window.open(popURL, exportWindowName);
                 };
 
@@ -29258,60 +32055,62 @@ editor.init = function () {
                   break;
                 }
 
-                return _context5.abrupt('return');
+                return _context5.abrupt("return");
 
               case 3:
-                // Open placeholder window (prevents popup)
-                exportWindowName = void 0;
                 chrome = isChrome();
 
                 if (!(imgType === 'PDF')) {
-                  _context5.next = 10;
+                  _context5.next = 9;
                   break;
                 }
 
                 if (!customExportPDF && !chrome) {
                   openExportWindow();
                 }
+
                 svgCanvas.exportPDF(exportWindowName, chrome ? 'save' : undefined);
-                _context5.next = 14;
+                _context5.next = 13;
                 break;
 
-              case 10:
+              case 9:
                 if (!customExportImage) {
                   openExportWindow();
                 }
+
                 quality = parseInt($$b('#image-slider').val(), 10) / 100;
                 /* const results = */
-                _context5.next = 14;
+
+                _context5.next = 13;
                 return svgCanvas.rasterExport(imgType, quality, exportWindowName);
 
-              case 14:
-              case 'end':
+              case 13:
+              case "end":
                 return _context5.stop();
             }
           }
         }, _callee5, this);
       }));
 
-      return function (_x5) {
+      return function (_x3) {
         return _ref15.apply(this, arguments);
       };
     }(), function () {
       var sel = $$b(this);
+
       if (sel.val() === 'JPEG' || sel.val() === 'WEBP') {
         if (!$$b('#image-slider').length) {
-          $$b('<div><label>' + uiStrings$1.ui.quality + '\n              <input id="image-slider"\n                type="range" min="1" max="100" value="92" />\n            </label></div>').appendTo(sel.parent());
+          $$b("<div><label>".concat(uiStrings$1.ui.quality, "\n              <input id=\"image-slider\"\n                type=\"range\" min=\"1\" max=\"100\" value=\"92\" />\n            </label></div>")).appendTo(sel.parent());
         }
       } else {
         $$b('#image-slider').parent().remove();
       }
     });
-  };
-
-  // by default, svgCanvas.open() is a no-op.
+  }; // by default, svgCanvas.open() is a no-op.
   // it is up to an extension mechanism (opera widget, etc)
   // to call setCustomHandlers() which will make it do something
+
+
   var clickOpen = function clickOpen() {
     svgCanvas.open();
   };
@@ -29335,8 +32134,7 @@ editor.init = function () {
   var clickGroup = function clickGroup() {
     // group
     if (multiselected) {
-      svgCanvas.groupSelectedElements();
-      // ungroup
+      svgCanvas.groupSelectedElements(); // ungroup
     } else if (selectedElement) {
       svgCanvas.ungroupSelectedElement();
     }
@@ -29358,9 +32156,12 @@ editor.init = function () {
     if (supportsNonSS) {
       return;
     }
+
     var wfRules = $$b('#wireframe_rules');
+
     if (!wfRules.length) {
-      /* wfRules = */$$b('<style id="wireframe_rules"></style>').appendTo('head');
+      /* wfRules = */
+      $$b('<style id="wireframe_rules"></style>').appendTo('head');
     } else {
       wfRules.empty();
     }
@@ -29372,7 +32173,6 @@ editor.init = function () {
     cancel: 'button,fieldset',
     containment: 'window'
   }).css('position', 'absolute');
-
   var docprops = false;
   var preferences = false;
 
@@ -29380,13 +32180,13 @@ editor.init = function () {
     if (docprops) {
       return;
     }
-    docprops = true;
 
-    // This selects the correct radio button by using the array notation
-    $$b('#image_save_opts input').val([$$b.pref('img_save')]);
+    docprops = true; // This selects the correct radio button by using the array notation
+
+    $$b('#image_save_opts input').val([$$b.pref('img_save')]); // update resolution option with actual resolution
 
-    // update resolution option with actual resolution
     var res = svgCanvas.getResolution();
+
     if (curConfig.baseUnit !== 'px') {
       res.w = convertUnit(res.w) + curConfig.baseUnit;
       res.h = convertUnit(res.h) + curConfig.baseUnit;
@@ -29395,7 +32195,6 @@ editor.init = function () {
     $$b('#canvas_width').val(res.w);
     $$b('#canvas_height').val(res.h);
     $$b('#canvas_title').val(svgCanvas.getDocumentTitle());
-
     $$b('#svg_docprops').show();
   };
 
@@ -29403,10 +32202,10 @@ editor.init = function () {
     if (preferences) {
       return;
     }
-    preferences = true;
-    $$b('#main_menu').hide();
 
-    // Update background color with current one
+    preferences = true;
+    $$b('#main_menu').hide(); // Update background color with current one
+
     var blocks = $$b('#bg_blocks div');
     var curBg = 'cur_background';
     var canvasBg = curPrefs.bkgd_color;
@@ -29415,20 +32214,23 @@ editor.init = function () {
       var blk = $$b(this);
       var isBg = blk.css('background-color') === canvasBg;
       blk.toggleClass(curBg, isBg);
+
       if (isBg) {
         $$b('#canvas_bg_url').removeClass(curBg);
       }
     });
+
     if (!canvasBg) {
       blocks.eq(0).addClass(curBg);
     }
+
     if (url) {
       $$b('#canvas_bg_url').val(url);
     }
+
     $$b('#grid_snapping_on').prop('checked', curConfig.gridSnapping);
     $$b('#grid_snapping_step').attr('value', curConfig.snappingStep);
     $$b('#grid_color').attr('value', curConfig.gridColor);
-
     $$b('#svg_prefs').show();
   };
 
@@ -29457,11 +32259,13 @@ editor.init = function () {
         if (!ok) {
           return false;
         }
+
         saveChanges();
       });
     } else {
       saveChanges();
     }
+
     setSelectMode();
   };
 
@@ -29482,9 +32286,8 @@ editor.init = function () {
     // set title
     var newTitle = $$b('#canvas_title').val();
     updateTitle(newTitle);
-    svgCanvas.setDocumentTitle(newTitle);
+    svgCanvas.setDocumentTitle(newTitle); // update resolution
 
-    // update resolution
     var width = $$b('#canvas_width'),
         w = width.val();
     var height = $$b('#canvas_height'),
@@ -29509,47 +32312,46 @@ editor.init = function () {
     if (!svgCanvas.setResolution(w, h)) {
       $$b.alert(uiStrings$1.notification.noContentToFitTo);
       return false;
-    }
+    } // Set image save option
+
 
-    // Set image save option
     $$b.pref('img_save', $$b('#image_save_opts :checked').val());
     updateCanvas();
     hideDocProperties();
   };
-
   /**
   * Save user preferences based on current values in the UI
   * @function module:SVGEditor.savePreferences
   * @returns {undefined}
   */
+
+
   var savePreferences = editor.savePreferences = function () {
     // Set background
     var color = $$b('#bg_blocks div.cur_background').css('background-color') || '#FFF';
-    setBackground(color, $$b('#canvas_bg_url').val());
+    setBackground(color, $$b('#canvas_bg_url').val()); // set language
 
-    // set language
     var lang = $$b('#lang_select').val();
+
     if (lang !== $$b.pref('lang')) {
       editor.putLocale(lang, goodLangs, curConfig);
-    }
+    } // set icon size
 
-    // set icon size
-    setIconSize($$b('#iconsize').val());
 
-    // set grid setting
+    setIconSize($$b('#iconsize').val()); // set grid setting
+
     curConfig.gridSnapping = $$b('#grid_snapping_on')[0].checked;
     curConfig.snappingStep = $$b('#grid_snapping_step').val();
     curConfig.gridColor = $$b('#grid_color').val();
     curConfig.showRulers = $$b('#show_rulers')[0].checked;
-
     $$b('#rulers').toggle(curConfig.showRulers);
+
     if (curConfig.showRulers) {
       updateRulers();
     }
+
     curConfig.baseUnit = $$b('#base_unit').val();
-
     svgCanvas.setConfig(curConfig);
-
     updateCanvas();
     hidePreferences();
   };
@@ -29558,10 +32360,12 @@ editor.init = function () {
 
   var cancelOverlays = function cancelOverlays() {
     $$b('#dialog_box').hide();
+
     if (!editingsource && !docprops && !preferences) {
       if (curContext) {
         svgCanvas.leaveContext();
       }
+
       return;
     }
 
@@ -29580,12 +32384,15 @@ editor.init = function () {
     } else if (preferences) {
       hidePreferences();
     }
+
     resetScrollPos();
   };
 
-  var winWh = { width: $$b(window).width(), height: $$b(window).height() };
+  var winWh = {
+    width: $$b(window).width(),
+    height: $$b(window).height()
+  }; // Fix for Issue 781: Drawing area jumps to top-left corner on window resize (IE9)
 
-  // Fix for Issue 781: Drawing area jumps to top-left corner on window resize (IE9)
   if (isIE()) {
     (function () {
       resetScrollPos = function resetScrollPos() {
@@ -29599,7 +32406,6 @@ editor.init = function () {
         left: workarea[0].scrollLeft,
         top: workarea[0].scrollTop
       };
-
       $$b(window).resize(resetScrollPos);
       editor.ready(function () {
         // TODO: Find better way to detect when to do this to minimize
@@ -29608,7 +32414,6 @@ editor.init = function () {
           resetScrollPos();
         }, 500);
       });
-
       workarea.scroll(function () {
         curScrollPos = {
           left: workarea[0].scrollLeft,
@@ -29633,6 +32438,7 @@ editor.init = function () {
       if ($$b('#ruler_x').length) {
         $$b('#ruler_x')[0].scrollLeft = workarea[0].scrollLeft;
       }
+
       if ($$b('#ruler_y').length) {
         $$b('#ruler_y')[0].scrollTop = workarea[0].scrollTop;
       }
@@ -29642,27 +32448,21 @@ editor.init = function () {
   $$b('#url_notice').click(function () {
     $$b.alert(this.title);
   });
-
-  $$b('#change_image_url').click(promptImgURL);
-
-  // added these event handlers for all the push buttons so they
+  $$b('#change_image_url').click(promptImgURL); // added these event handlers for all the push buttons so they
   // behave more like buttons being pressed-in and not images
+
   (function () {
     var toolnames = ['clear', 'open', 'save', 'source', 'delete', 'delete_multi', 'paste', 'clone', 'clone_multi', 'move_top', 'move_bottom'];
     var curClass = 'tool_button_current';
-
     var allTools = '';
-
     $$b.each(toolnames, function (i, item) {
       allTools += (i ? ',' : '') + '#tool_' + item;
     });
-
     $$b(allTools).mousedown(function () {
       $$b(this).addClass(curClass);
     }).bind('mousedown mouseout', function () {
       $$b(this).removeClass(curClass);
     });
-
     $$b('#tool_undo, #tool_redo').mousedown(function () {
       if (!$$b(this).hasClass('disabled')) {
         $$b(this).addClass(curClass);
@@ -29670,42 +32470,49 @@ editor.init = function () {
     }).bind('mousedown mouseout', function () {
       $$b(this).removeClass(curClass);
     });
-  })();
-
-  // switch modifier key in tooltips if mac
+  })(); // switch modifier key in tooltips if mac
   // NOTE: This code is not used yet until I can figure out how to successfully bind ctrl/meta
   // in Opera and Chrome
+
+
   if (isMac() && !window.opera) {
     var shortcutButtons = ['tool_clear', 'tool_save', 'tool_source', 'tool_undo', 'tool_redo', 'tool_clone'];
     var _i2 = shortcutButtons.length;
+
     while (_i2--) {
       var button = document.getElementById(shortcutButtons[_i2]);
+
       if (button) {
         var title = button.title;
-
         var index = title.indexOf('Ctrl+');
         button.title = [title.substr(0, index), 'Cmd+', title.substr(index + 5)].join('');
       }
     }
-  }
-
-  // TODO: go back to the color boxes having white background-color and then setting
+  } // TODO: go back to the color boxes having white background-color and then setting
   //  background-image to none.png (otherwise partially transparent gradients look weird)
+
+
   var colorPicker = function colorPicker(elem) {
-    var picker = elem.attr('id') === 'stroke_color' ? 'stroke' : 'fill';
-    // const opacity = (picker == 'stroke' ? $('#stroke_opacity') : $('#fill_opacity'));
-    var title = picker === 'stroke' ? uiStrings$1.ui.pick_stroke_paint_opacity : uiStrings$1.ui.pick_fill_paint_opacity;
-    // let wasNone = false; // Currently unused
+    var picker = elem.attr('id') === 'stroke_color' ? 'stroke' : 'fill'; // const opacity = (picker == 'stroke' ? $('#stroke_opacity') : $('#fill_opacity'));
+
+    var title = picker === 'stroke' ? uiStrings$1.ui.pick_stroke_paint_opacity : uiStrings$1.ui.pick_fill_paint_opacity; // let wasNone = false; // Currently unused
+
     var pos = elem.offset();
     var paint = paintBox[picker].paint;
-
     $$b('#color_picker').draggable({
       cancel: '.jGraduate_tabs, .jGraduate_colPick, .jGraduate_gradPick, .jPicker',
       containment: 'window'
-    }).css(curConfig.colorPickerCSS || { left: pos.left - 140, bottom: 40 }).jGraduate({
+    }).css(curConfig.colorPickerCSS || {
+      left: pos.left - 140,
+      bottom: 40
+    }).jGraduate({
       paint: paint,
-      window: { pickerTitle: title },
-      images: { clientPath: curConfig.jGraduatePath },
+      window: {
+        pickerTitle: title
+      },
+      images: {
+        clientPath: curConfig.jGraduatePath
+      },
       newstop: 'inverse'
     }, function (p) {
       paint = new $$b.jGraduate.Paint(p);
@@ -29718,33 +32525,32 @@ editor.init = function () {
   };
 
   var PaintBox = function PaintBox(container, type) {
-    var paintColor = void 0,
-        paintOpacity = void 0;
-    var cur = curConfig[type === 'fill' ? 'initFill' : 'initStroke'];
-    // set up gradients to be used for the buttons
-    var svgdocbox = new DOMParser().parseFromString('<svg xmlns="http://www.w3.org/2000/svg">\n        <rect width="16.5" height="16.5"\n          fill="#' + cur.color + '" opacity="' + cur.opacity + '"/>\n        <defs><linearGradient id="gradbox_"/></defs>\n      </svg>', 'text/xml');
+    var paintColor, paintOpacity;
+    var cur = curConfig[type === 'fill' ? 'initFill' : 'initStroke']; // set up gradients to be used for the buttons
 
+    var svgdocbox = new DOMParser().parseFromString("<svg xmlns=\"http://www.w3.org/2000/svg\">\n        <rect width=\"16.5\" height=\"16.5\"\n          fill=\"#".concat(cur.color, "\" opacity=\"").concat(cur.opacity, "\"/>\n        <defs><linearGradient id=\"gradbox_\"/></defs>\n      </svg>"), 'text/xml');
     var docElem = svgdocbox.documentElement;
     docElem = $$b(container)[0].appendChild(document.importNode(docElem, true));
     docElem.setAttribute('width', 16.5);
-
     this.rect = docElem.firstElementChild;
     this.defs = docElem.getElementsByTagName('defs')[0];
     this.grad = this.defs.firstElementChild;
-    this.paint = new $$b.jGraduate.Paint({ solidColor: cur.color });
+    this.paint = new $$b.jGraduate.Paint({
+      solidColor: cur.color
+    });
     this.type = type;
 
     this.setPaint = function (paint, apply) {
       this.paint = paint;
-
       var ptype = paint.type;
       var opac = paint.alpha / 100;
-
       var fillAttr = 'none';
+
       switch (ptype) {
         case 'solidColor':
           fillAttr = paint[ptype] !== 'none' ? '#' + paint[ptype] : paint[ptype];
           break;
+
         case 'linearGradient':
         case 'radialGradient':
           this.grad.remove();
@@ -29777,15 +32583,17 @@ editor.init = function () {
           // These elements don't have fill or stroke, so don't change
           // the current value
           return;
+
         case 'g':
         case 'a':
           {
             var childs = selectedElement.getElementsByTagName('*');
-
             var gPaint = null;
+
             for (var _i3 = 0, len = childs.length; _i3 < len; _i3++) {
               var elem = childs[_i3];
               var p = elem.getAttribute(type);
+
               if (_i3 === 0) {
                 gPaint = p;
               } else if (gPaint !== p) {
@@ -29799,11 +32607,15 @@ editor.init = function () {
               paintColor = null;
               return;
             }
+
             paintColor = gPaint;
             paintOpacity = 1;
             break;
-          }default:
+          }
+
+        default:
           paintOpacity = parseFloat(selectedElement.getAttribute(type + '-opacity'));
+
           if (isNaN(paintOpacity)) {
             paintOpacity = 1.0;
           }
@@ -29818,9 +32630,8 @@ editor.init = function () {
       }
 
       paintOpacity *= 100;
+      var paint = getPaint(paintColor, paintOpacity, type); // update the rect inside #fill_color/#stroke_color
 
-      var paint = getPaint(paintColor, paintOpacity, type);
-      // update the rect inside #fill_color/#stroke_color
       this.setPaint(paint);
     };
 
@@ -29830,7 +32641,9 @@ editor.init = function () {
       switch (ptype) {
         case 'linearGradient':
         case 'radialGradient':
-          var paint = new $$b.jGraduate.Paint({ copy: this.paint });
+          var paint = new $$b.jGraduate.Paint({
+            copy: this.paint
+          });
           svgCanvas.setPaint(type, paint);
           break;
       }
@@ -29839,36 +32652,37 @@ editor.init = function () {
 
   paintBox.fill = new PaintBox('#fill_color', 'fill');
   paintBox.stroke = new PaintBox('#stroke_color', 'stroke');
-
   $$b('#stroke_width').val(curConfig.initStroke.width);
-  $$b('#group_opacity').val(curConfig.initOpacity * 100);
+  $$b('#group_opacity').val(curConfig.initOpacity * 100); // Use this SVG elem to test vectorEffect support
 
-  // Use this SVG elem to test vectorEffect support
   var testEl = paintBox.fill.rect.cloneNode(false);
   testEl.setAttribute('style', 'vector-effect:non-scaling-stroke');
   var supportsNonSS = testEl.style.vectorEffect === 'non-scaling-stroke';
   testEl.removeAttribute('style');
-  var svgdocbox = paintBox.fill.rect.ownerDocument;
-  // Use this to test support for blur element. Seems to work to test support in Webkit
+  var svgdocbox = paintBox.fill.rect.ownerDocument; // Use this to test support for blur element. Seems to work to test support in Webkit
+
   var blurTest = svgdocbox.createElementNS(NS.SVG, 'feGaussianBlur');
+
   if (blurTest.stdDeviationX === undefined) {
     $$b('#tool_blur').hide();
   }
-  $$b(blurTest).remove();
 
-  // Test for zoom icon support
+  $$b(blurTest).remove(); // Test for zoom icon support
+
   (function () {
     var pre = '-' + uaPrefix.toLowerCase() + '-zoom-';
     var zoom = pre + 'in';
     workarea.css('cursor', zoom);
+
     if (workarea.css('cursor') === zoom) {
       zoomInIcon = zoom;
       zoomOutIcon = pre + 'out';
     }
-    workarea.css('cursor', 'auto');
-  })();
 
-  // Test for embedImage support (use timeout to not interfere with page load)
+    workarea.css('cursor', 'auto');
+  })(); // Test for embedImage support (use timeout to not interfere with page load)
+
+
   setTimeout(function () {
     svgCanvas.embedImage('images/logo.png', function (datauri) {
       if (!datauri) {
@@ -29880,32 +32694,26 @@ editor.init = function () {
       }
     });
   }, 1000);
-
   $$b('#fill_color, #tool_fill .icon_label').click(function () {
     colorPicker($$b('#fill_color'));
     updateToolButtonState();
   });
-
   $$b('#stroke_color, #tool_stroke .icon_label').click(function () {
     colorPicker($$b('#stroke_color'));
     updateToolButtonState();
   });
-
   $$b('#group_opacityLabel').click(function () {
     $$b('#opacity_dropdown button').mousedown();
     $$b(window).mouseup();
   });
-
   $$b('#zoomLabel').click(function () {
     $$b('#zoom_dropdown button').mousedown();
     $$b(window).mouseup();
   });
-
   $$b('#tool_move_top').mousedown(function (evt) {
     $$b('#tools_stacking').show();
     evt.preventDefault();
   });
-
   $$b('.layer_button').mousedown(function () {
     $$b(this).addClass('layer_buttonpressed');
   }).mouseout(function () {
@@ -29913,7 +32721,6 @@ editor.init = function () {
   }).mouseup(function () {
     $$b(this).removeClass('layer_buttonpressed');
   });
-
   $$b('.push_button').mousedown(function () {
     if (!$$b(this).hasClass('disabled')) {
       $$b(this).addClass('push_button_pressed').removeClass('push_button');
@@ -29922,12 +32729,12 @@ editor.init = function () {
     $$b(this).removeClass('push_button_pressed').addClass('push_button');
   }).mouseup(function () {
     $$b(this).removeClass('push_button_pressed').addClass('push_button');
-  });
+  }); // ask for a layer name
 
-  // ask for a layer name
   $$b('#layer_new').click(function () {
-    var uniqName = void 0,
+    var uniqName,
         i = svgCanvas.getCurrentDrawing().getNumLayers();
+
     do {
       uniqName = uiStrings$1.layers.layer + ' ' + ++i;
     } while (svgCanvas.getCurrentDrawing().hasLayer(uniqName));
@@ -29936,10 +32743,12 @@ editor.init = function () {
       if (!newName) {
         return;
       }
+
       if (svgCanvas.getCurrentDrawing().hasLayer(newName)) {
         $$b.alert(uiStrings$1.notification.dupeLayerName);
         return;
       }
+
       svgCanvas.createLayer(newName);
       updateContextPanel();
       populateLayers();
@@ -29949,10 +32758,10 @@ editor.init = function () {
   function deleteLayer() {
     if (svgCanvas.deleteCurrentLayer()) {
       updateContextPanel();
-      populateLayers();
-      // This matches what SvgCanvas does
+      populateLayers(); // This matches what SvgCanvas does
       // TODO: make this behavior less brittle (svg-editor should get which
       // layer is selected from the canvas and then select that one in the UI)
+
       $$b('#layerlist tr.layer').removeClass('layersel');
       $$b('#layerlist tr.layer:first').addClass('layersel');
     }
@@ -29960,15 +32769,16 @@ editor.init = function () {
 
   function cloneLayer() {
     var name = svgCanvas.getCurrentDrawing().getCurrentLayerName() + ' copy';
-
     $$b.prompt(uiStrings$1.notification.enterUniqueLayerName, name, function (newName) {
       if (!newName) {
         return;
       }
+
       if (svgCanvas.getCurrentDrawing().hasLayer(newName)) {
         $$b.alert(uiStrings$1.notification.dupeLayerName);
         return;
       }
+
       svgCanvas.cloneLayer(newName);
       updateContextPanel();
       populateLayers();
@@ -29979,6 +32789,7 @@ editor.init = function () {
     if ($$b('#layerlist tr.layersel').index() === svgCanvas.getCurrentDrawing().getNumLayers() - 1) {
       return;
     }
+
     svgCanvas.mergeLayer();
     updateContextPanel();
     populateLayers();
@@ -29986,8 +32797,8 @@ editor.init = function () {
 
   function moveLayer(pos) {
     var total = svgCanvas.getCurrentDrawing().getNumLayers();
-
     var curIndex = $$b('#layerlist tr.layersel').index();
+
     if (curIndex > 0 || curIndex < total - 1) {
       curIndex += pos;
       svgCanvas.setCurrentLayerPosition(total - curIndex - 1);
@@ -29996,15 +32807,12 @@ editor.init = function () {
   }
 
   $$b('#layer_delete').click(deleteLayer);
-
   $$b('#layer_up').click(function () {
     moveLayer(-1);
   });
-
   $$b('#layer_down').click(function () {
     moveLayer(1);
   });
-
   $$b('#layer_rename').click(function () {
     // const curIndex = $('#layerlist tr.layersel').prevAll().length; // Currently unused
     var oldName = $$b('#layerlist tr.layersel td.layername').text();
@@ -30012,6 +32820,7 @@ editor.init = function () {
       if (!newName) {
         return;
       }
+
       if (oldName === newName || svgCanvas.getCurrentDrawing().hasLayer(newName)) {
         $$b.alert(uiStrings$1.notification.layerHasThatName);
         return;
@@ -30021,18 +32830,17 @@ editor.init = function () {
       populateLayers();
     });
   });
-
   var SIDEPANEL_MAXWIDTH = 300;
   var SIDEPANEL_OPENWIDTH = 150;
   var sidedrag = -1,
       sidedragging = false,
       allowmove = false;
-
   /**
    * @param {Float} delta
    * @fires module:svgcanvas.SvgCanvas#event:ext-workareaResized
    * @returns {undefined}
    */
+
   var changeSidePanelWidth = function changeSidePanelWidth(delta) {
     var rulerX = $$b('#ruler_x');
     $$b('#sidepanels').width('+=' + delta);
@@ -30046,31 +32854,35 @@ editor.init = function () {
     if (!allowmove) {
       return;
     }
+
     if (sidedrag === -1) {
       return;
     }
+
     sidedragging = true;
     var deltaX = sidedrag - evt.pageX;
     var sideWidth = $$b('#sidepanels').width();
+
     if (sideWidth + deltaX > SIDEPANEL_MAXWIDTH) {
-      deltaX = SIDEPANEL_MAXWIDTH - sideWidth;
-      // sideWidth = SIDEPANEL_MAXWIDTH;
+      deltaX = SIDEPANEL_MAXWIDTH - sideWidth; // sideWidth = SIDEPANEL_MAXWIDTH;
     } else if (sideWidth + deltaX < 2) {
-      deltaX = 2 - sideWidth;
-      // sideWidth = 2;
+      deltaX = 2 - sideWidth; // sideWidth = 2;
     }
+
     if (deltaX === 0) {
       return;
     }
+
     sidedrag -= deltaX;
     changeSidePanelWidth(deltaX);
   };
-
   /**
    * If width is non-zero, then fully close it, otherwise fully open it
    * @param {boolean} close Forces the side panel closed
    * @returns {undefined}
    */
+
+
   var toggleSidePanel = function toggleSidePanel(close) {
     var w = $$b('#sidepanels').width();
     var deltaX = (w > 2 || close ? 2 : SIDEPANEL_OPENWIDTH) - w;
@@ -30080,8 +32892,8 @@ editor.init = function () {
   $$b('#sidepanel_handle').mousedown(function (evt) {
     sidedrag = evt.pageX;
     $$b(window).mousemove(resizeSidePanel);
-    allowmove = false;
-    // Silly hack for Chrome, which always runs mousemove right after mousedown
+    allowmove = false; // Silly hack for Chrome, which always runs mousemove right after mousedown
+
     setTimeout(function () {
       allowmove = true;
     }, 20);
@@ -30089,19 +32901,16 @@ editor.init = function () {
     if (!sidedragging) {
       toggleSidePanel();
     }
+
     sidedrag = -1;
     sidedragging = false;
   });
-
   $$b(window).mouseup(function () {
     sidedrag = -1;
     sidedragging = false;
     $$b('#svg_editor').unbind('mousemove', resizeSidePanel);
   });
-
-  populateLayers();
-
-  // function changeResolution (x,y) {
+  populateLayers(); // function changeResolution (x,y) {
   //   const {zoom} = svgCanvas.getResolution();
   //   setResolution(x * zoom, y * zoom);
   // }
@@ -30117,6 +32926,7 @@ editor.init = function () {
     var origVal = Number(elem.value);
     var sugVal = origVal + step;
     var increasing = sugVal >= origVal;
+
     if (step === 0) {
       return origVal;
     }
@@ -30125,23 +32935,30 @@ editor.init = function () {
       if (increasing) {
         return Math.round(origVal * 1.1);
       }
+
       return Math.round(origVal / 1.1);
     }
+
     if (origVal <= 1) {
       if (increasing) {
         return origVal * 2;
       }
+
       return origVal / 2;
     }
+
     return sugVal;
   }
 
   function stepZoom(elem, step) {
     var origVal = Number(elem.value);
+
     if (origVal === 0) {
       return 100;
     }
+
     var sugVal = origVal + step;
+
     if (step === 0) {
       return origVal;
     }
@@ -30149,13 +32966,13 @@ editor.init = function () {
     if (origVal >= 100) {
       return sugVal;
     }
+
     if (sugVal >= origVal) {
       return origVal * 2;
     }
-    return origVal / 2;
-  }
 
-  // function setResolution (w, h, center) {
+    return origVal / 2;
+  } // function setResolution (w, h, center) {
   //   updateCanvas();
   //   // w -= 0; h -= 0;
   //   // $('#svgcanvas').css({width: w, height: h});
@@ -30171,8 +32988,10 @@ editor.init = function () {
   //   // }
   // }
 
+
   $$b('#resolution').change(function () {
     var wh = $$b('#canvas_width,#canvas_height');
+
     if (!this.selectedIndex) {
       if ($$b('#canvas_width').val() === 'fit') {
         wh.removeAttr('disabled').val(100);
@@ -30185,15 +33004,14 @@ editor.init = function () {
       $$b('#canvas_height').val(dims[1]);
       wh.removeAttr('disabled');
     }
-  });
+  }); // Prevent browser from erroneously repopulating fields
 
-  // Prevent browser from erroneously repopulating fields
   $$b('input,select').attr('autocomplete', 'off');
-
   /**
    * Associate all button actions as well as non-button keyboard shortcuts
    * @namespace {PlainObject} module:SVGEditor~Actions
    */
+
   var Actions = function () {
     /**
     * @typedef {PlainObject} module:SVGEditor.ToolButton
@@ -30206,218 +33024,508 @@ editor.init = function () {
     * @property {string} [icon] The button ID
     * @property {boolean} isDefault For flyout holders
     */
+
     /**
      *
      * @name module:SVGEditor~ToolButtons
      * @type {module:SVGEditor.ToolButton[]}
      */
-    var toolButtons = [{ sel: '#tool_select', fn: clickSelect, evt: 'click', key: ['V', true] }, { sel: '#tool_fhpath', fn: clickFHPath, evt: 'click', key: ['Q', true] }, { sel: '#tool_line', fn: clickLine, evt: 'click', key: ['L', true], parent: '#tools_line', prepend: true }, { sel: '#tool_rect', fn: clickRect, evt: 'mouseup',
-      key: ['R', true], parent: '#tools_rect', icon: 'rect' }, { sel: '#tool_square', fn: clickSquare, evt: 'mouseup',
-      parent: '#tools_rect', icon: 'square' }, { sel: '#tool_fhrect', fn: clickFHRect, evt: 'mouseup',
-      parent: '#tools_rect', icon: 'fh_rect' }, { sel: '#tool_ellipse', fn: clickEllipse, evt: 'mouseup',
-      key: ['E', true], parent: '#tools_ellipse', icon: 'ellipse' }, { sel: '#tool_circle', fn: clickCircle, evt: 'mouseup',
-      parent: '#tools_ellipse', icon: 'circle' }, { sel: '#tool_fhellipse', fn: clickFHEllipse, evt: 'mouseup',
-      parent: '#tools_ellipse', icon: 'fh_ellipse' }, { sel: '#tool_path', fn: clickPath, evt: 'click', key: ['P', true] }, { sel: '#tool_text', fn: clickText, evt: 'click', key: ['T', true] }, { sel: '#tool_image', fn: clickImage, evt: 'mouseup' }, { sel: '#tool_zoom', fn: clickZoom, evt: 'mouseup', key: ['Z', true] }, { sel: '#tool_clear', fn: clickClear, evt: 'mouseup', key: ['N', true] }, { sel: '#tool_save', fn: function fn() {
+    var toolButtons = [{
+      sel: '#tool_select',
+      fn: clickSelect,
+      evt: 'click',
+      key: ['V', true]
+    }, {
+      sel: '#tool_fhpath',
+      fn: clickFHPath,
+      evt: 'click',
+      key: ['Q', true]
+    }, {
+      sel: '#tool_line',
+      fn: clickLine,
+      evt: 'click',
+      key: ['L', true],
+      parent: '#tools_line',
+      prepend: true
+    }, {
+      sel: '#tool_rect',
+      fn: clickRect,
+      evt: 'mouseup',
+      key: ['R', true],
+      parent: '#tools_rect',
+      icon: 'rect'
+    }, {
+      sel: '#tool_square',
+      fn: clickSquare,
+      evt: 'mouseup',
+      parent: '#tools_rect',
+      icon: 'square'
+    }, {
+      sel: '#tool_fhrect',
+      fn: clickFHRect,
+      evt: 'mouseup',
+      parent: '#tools_rect',
+      icon: 'fh_rect'
+    }, {
+      sel: '#tool_ellipse',
+      fn: clickEllipse,
+      evt: 'mouseup',
+      key: ['E', true],
+      parent: '#tools_ellipse',
+      icon: 'ellipse'
+    }, {
+      sel: '#tool_circle',
+      fn: clickCircle,
+      evt: 'mouseup',
+      parent: '#tools_ellipse',
+      icon: 'circle'
+    }, {
+      sel: '#tool_fhellipse',
+      fn: clickFHEllipse,
+      evt: 'mouseup',
+      parent: '#tools_ellipse',
+      icon: 'fh_ellipse'
+    }, {
+      sel: '#tool_path',
+      fn: clickPath,
+      evt: 'click',
+      key: ['P', true]
+    }, {
+      sel: '#tool_text',
+      fn: clickText,
+      evt: 'click',
+      key: ['T', true]
+    }, {
+      sel: '#tool_image',
+      fn: clickImage,
+      evt: 'mouseup'
+    }, {
+      sel: '#tool_zoom',
+      fn: clickZoom,
+      evt: 'mouseup',
+      key: ['Z', true]
+    }, {
+      sel: '#tool_clear',
+      fn: clickClear,
+      evt: 'mouseup',
+      key: ['N', true]
+    }, {
+      sel: '#tool_save',
+      fn: function fn() {
         if (editingsource) {
           saveSourceEditor();
         } else {
           clickSave();
         }
       },
-      evt: 'mouseup', key: ['S', true] }, { sel: '#tool_export', fn: clickExport, evt: 'mouseup' }, { sel: '#tool_open', fn: clickOpen, evt: 'mouseup', key: ['O', true] }, { sel: '#tool_import', fn: clickImport, evt: 'mouseup' }, { sel: '#tool_source', fn: showSourceEditor, evt: 'click', key: ['U', true] }, { sel: '#tool_wireframe', fn: clickWireframe, evt: 'click', key: ['F', true] }, { sel: '#tool_source_cancel,.overlay,#tool_docprops_cancel,#tool_prefs_cancel',
-      fn: cancelOverlays, evt: 'click', key: ['esc', false, false], hidekey: true }, { sel: '#tool_source_save', fn: saveSourceEditor, evt: 'click' }, { sel: '#tool_docprops_save', fn: saveDocProperties, evt: 'click' }, { sel: '#tool_docprops', fn: showDocProperties, evt: 'mouseup' }, { sel: '#tool_prefs_save', fn: savePreferences, evt: 'click' }, { sel: '#tool_prefs_option', fn: function fn() {
-        showPreferences();return false;
+      evt: 'mouseup',
+      key: ['S', true]
+    }, {
+      sel: '#tool_export',
+      fn: clickExport,
+      evt: 'mouseup'
+    }, {
+      sel: '#tool_open',
+      fn: clickOpen,
+      evt: 'mouseup',
+      key: ['O', true]
+    }, {
+      sel: '#tool_import',
+      fn: clickImport,
+      evt: 'mouseup'
+    }, {
+      sel: '#tool_source',
+      fn: showSourceEditor,
+      evt: 'click',
+      key: ['U', true]
+    }, {
+      sel: '#tool_wireframe',
+      fn: clickWireframe,
+      evt: 'click',
+      key: ['F', true]
+    }, {
+      sel: '#tool_source_cancel,.overlay,#tool_docprops_cancel,#tool_prefs_cancel',
+      fn: cancelOverlays,
+      evt: 'click',
+      key: ['esc', false, false],
+      hidekey: true
+    }, {
+      sel: '#tool_source_save',
+      fn: saveSourceEditor,
+      evt: 'click'
+    }, {
+      sel: '#tool_docprops_save',
+      fn: saveDocProperties,
+      evt: 'click'
+    }, {
+      sel: '#tool_docprops',
+      fn: showDocProperties,
+      evt: 'mouseup'
+    }, {
+      sel: '#tool_prefs_save',
+      fn: savePreferences,
+      evt: 'click'
+    }, {
+      sel: '#tool_prefs_option',
+      fn: function fn() {
+        showPreferences();
+        return false;
       },
-      evt: 'mouseup' }, { sel: '#tool_delete,#tool_delete_multi', fn: deleteSelected,
-      evt: 'click', key: ['del/backspace', true] }, { sel: '#tool_reorient', fn: reorientPath, evt: 'click' }, { sel: '#tool_node_link', fn: linkControlPoints, evt: 'click' }, { sel: '#tool_node_clone', fn: clonePathNode, evt: 'click' }, { sel: '#tool_node_delete', fn: deletePathNode, evt: 'click' }, { sel: '#tool_openclose_path', fn: opencloseSubPath, evt: 'click' }, { sel: '#tool_add_subpath', fn: addSubPath, evt: 'click' }, { sel: '#tool_move_top', fn: moveToTopSelected, evt: 'click', key: 'ctrl+shift+]' }, { sel: '#tool_move_bottom', fn: moveToBottomSelected, evt: 'click', key: 'ctrl+shift+[' }, { sel: '#tool_topath', fn: convertToPath$$1, evt: 'click' }, { sel: '#tool_make_link,#tool_make_link_multi', fn: makeHyperlink, evt: 'click' }, { sel: '#tool_undo', fn: clickUndo, evt: 'click' }, { sel: '#tool_redo', fn: clickRedo, evt: 'click' }, { sel: '#tool_clone,#tool_clone_multi', fn: clickClone, evt: 'click', key: ['D', true] }, { sel: '#tool_group_elements', fn: clickGroup, evt: 'click', key: ['G', true] }, { sel: '#tool_ungroup', fn: clickGroup, evt: 'click' }, { sel: '#tool_unlink_use', fn: clickGroup, evt: 'click' }, { sel: '[id^=tool_align]', fn: clickAlign, evt: 'click' },
-    // these two lines are required to make Opera work properly with the flyout mechanism
+      evt: 'mouseup'
+    }, {
+      sel: '#tool_delete,#tool_delete_multi',
+      fn: deleteSelected,
+      evt: 'click',
+      key: ['del/backspace', true]
+    }, {
+      sel: '#tool_reorient',
+      fn: reorientPath,
+      evt: 'click'
+    }, {
+      sel: '#tool_node_link',
+      fn: linkControlPoints,
+      evt: 'click'
+    }, {
+      sel: '#tool_node_clone',
+      fn: clonePathNode,
+      evt: 'click'
+    }, {
+      sel: '#tool_node_delete',
+      fn: deletePathNode,
+      evt: 'click'
+    }, {
+      sel: '#tool_openclose_path',
+      fn: opencloseSubPath,
+      evt: 'click'
+    }, {
+      sel: '#tool_add_subpath',
+      fn: addSubPath,
+      evt: 'click'
+    }, {
+      sel: '#tool_move_top',
+      fn: moveToTopSelected,
+      evt: 'click',
+      key: 'ctrl+shift+]'
+    }, {
+      sel: '#tool_move_bottom',
+      fn: moveToBottomSelected,
+      evt: 'click',
+      key: 'ctrl+shift+['
+    }, {
+      sel: '#tool_topath',
+      fn: convertToPath$$1,
+      evt: 'click'
+    }, {
+      sel: '#tool_make_link,#tool_make_link_multi',
+      fn: makeHyperlink,
+      evt: 'click'
+    }, {
+      sel: '#tool_undo',
+      fn: clickUndo,
+      evt: 'click'
+    }, {
+      sel: '#tool_redo',
+      fn: clickRedo,
+      evt: 'click'
+    }, {
+      sel: '#tool_clone,#tool_clone_multi',
+      fn: clickClone,
+      evt: 'click',
+      key: ['D', true]
+    }, {
+      sel: '#tool_group_elements',
+      fn: clickGroup,
+      evt: 'click',
+      key: ['G', true]
+    }, {
+      sel: '#tool_ungroup',
+      fn: clickGroup,
+      evt: 'click'
+    }, {
+      sel: '#tool_unlink_use',
+      fn: clickGroup,
+      evt: 'click'
+    }, {
+      sel: '[id^=tool_align]',
+      fn: clickAlign,
+      evt: 'click'
+    }, // these two lines are required to make Opera work properly with the flyout mechanism
     // {sel: '#tools_rect_show', fn: clickRect, evt: 'click'},
     // {sel: '#tools_ellipse_show', fn: clickEllipse, evt: 'click'},
-    { sel: '#tool_bold', fn: clickBold, evt: 'mousedown' }, { sel: '#tool_italic', fn: clickItalic, evt: 'mousedown' }, { sel: '#sidepanel_handle', fn: toggleSidePanel, key: ['X'] }, { sel: '#copy_save_done', fn: cancelOverlays, evt: 'click' },
-
-    // Shortcuts not associated with buttons
-
-    { key: 'ctrl+left', fn: function fn() {
+    {
+      sel: '#tool_bold',
+      fn: clickBold,
+      evt: 'mousedown'
+    }, {
+      sel: '#tool_italic',
+      fn: clickItalic,
+      evt: 'mousedown'
+    }, {
+      sel: '#sidepanel_handle',
+      fn: toggleSidePanel,
+      key: ['X']
+    }, {
+      sel: '#copy_save_done',
+      fn: cancelOverlays,
+      evt: 'click'
+    }, // Shortcuts not associated with buttons
+    {
+      key: 'ctrl+left',
+      fn: function fn() {
         rotateSelected(0, 1);
       }
-    }, { key: 'ctrl+right', fn: function fn() {
+    }, {
+      key: 'ctrl+right',
+      fn: function fn() {
         rotateSelected(1, 1);
       }
-    }, { key: 'ctrl+shift+left', fn: function fn() {
+    }, {
+      key: 'ctrl+shift+left',
+      fn: function fn() {
         rotateSelected(0, 5);
       }
-    }, { key: 'ctrl+shift+right', fn: function fn() {
+    }, {
+      key: 'ctrl+shift+right',
+      fn: function fn() {
         rotateSelected(1, 5);
       }
-    }, { key: 'shift+O', fn: selectPrev }, { key: 'shift+P', fn: selectNext }, { key: [modKey + 'up', true], fn: function fn() {
+    }, {
+      key: 'shift+O',
+      fn: selectPrev
+    }, {
+      key: 'shift+P',
+      fn: selectNext
+    }, {
+      key: [modKey + 'up', true],
+      fn: function fn() {
         zoomImage(2);
       }
-    }, { key: [modKey + 'down', true], fn: function fn() {
+    }, {
+      key: [modKey + 'down', true],
+      fn: function fn() {
         zoomImage(0.5);
       }
-    }, { key: [modKey + ']', true], fn: function fn() {
+    }, {
+      key: [modKey + ']', true],
+      fn: function fn() {
         moveUpDownSelected('Up');
       }
-    }, { key: [modKey + '[', true], fn: function fn() {
+    }, {
+      key: [modKey + '[', true],
+      fn: function fn() {
         moveUpDownSelected('Down');
       }
-    }, { key: ['up', true], fn: function fn() {
+    }, {
+      key: ['up', true],
+      fn: function fn() {
         moveSelected(0, -1);
       }
-    }, { key: ['down', true], fn: function fn() {
+    }, {
+      key: ['down', true],
+      fn: function fn() {
         moveSelected(0, 1);
       }
-    }, { key: ['left', true], fn: function fn() {
+    }, {
+      key: ['left', true],
+      fn: function fn() {
         moveSelected(-1, 0);
       }
-    }, { key: ['right', true], fn: function fn() {
+    }, {
+      key: ['right', true],
+      fn: function fn() {
         moveSelected(1, 0);
       }
-    }, { key: 'shift+up', fn: function fn() {
+    }, {
+      key: 'shift+up',
+      fn: function fn() {
         moveSelected(0, -10);
       }
-    }, { key: 'shift+down', fn: function fn() {
+    }, {
+      key: 'shift+down',
+      fn: function fn() {
         moveSelected(0, 10);
       }
-    }, { key: 'shift+left', fn: function fn() {
+    }, {
+      key: 'shift+left',
+      fn: function fn() {
         moveSelected(-10, 0);
       }
-    }, { key: 'shift+right', fn: function fn() {
+    }, {
+      key: 'shift+right',
+      fn: function fn() {
         moveSelected(10, 0);
       }
-    }, { key: ['alt+up', true], fn: function fn() {
+    }, {
+      key: ['alt+up', true],
+      fn: function fn() {
         svgCanvas.cloneSelectedElements(0, -1);
       }
-    }, { key: ['alt+down', true], fn: function fn() {
+    }, {
+      key: ['alt+down', true],
+      fn: function fn() {
         svgCanvas.cloneSelectedElements(0, 1);
       }
-    }, { key: ['alt+left', true], fn: function fn() {
+    }, {
+      key: ['alt+left', true],
+      fn: function fn() {
         svgCanvas.cloneSelectedElements(-1, 0);
       }
-    }, { key: ['alt+right', true], fn: function fn() {
+    }, {
+      key: ['alt+right', true],
+      fn: function fn() {
         svgCanvas.cloneSelectedElements(1, 0);
       }
-    }, { key: ['alt+shift+up', true], fn: function fn() {
+    }, {
+      key: ['alt+shift+up', true],
+      fn: function fn() {
         svgCanvas.cloneSelectedElements(0, -10);
       }
-    }, { key: ['alt+shift+down', true], fn: function fn() {
+    }, {
+      key: ['alt+shift+down', true],
+      fn: function fn() {
         svgCanvas.cloneSelectedElements(0, 10);
       }
-    }, { key: ['alt+shift+left', true], fn: function fn() {
+    }, {
+      key: ['alt+shift+left', true],
+      fn: function fn() {
         svgCanvas.cloneSelectedElements(-10, 0);
       }
-    }, { key: ['alt+shift+right', true], fn: function fn() {
+    }, {
+      key: ['alt+shift+right', true],
+      fn: function fn() {
         svgCanvas.cloneSelectedElements(10, 0);
       }
-    }, { key: 'A', fn: function fn() {
+    }, {
+      key: 'A',
+      fn: function fn() {
         svgCanvas.selectAllInCurrentLayer();
       }
-    },
+    }, // Standard shortcuts
+    {
+      key: modKey + 'z',
+      fn: clickUndo
+    }, {
+      key: modKey + 'shift+z',
+      fn: clickRedo
+    }, {
+      key: modKey + 'y',
+      fn: clickRedo
+    }, {
+      key: modKey + 'x',
+      fn: cutSelected
+    }, {
+      key: modKey + 'c',
+      fn: copySelected
+    }, {
+      key: modKey + 'v',
+      fn: pasteInCenter
+    }]; // Tooltips not directly associated with a single function
 
-    // Standard shortcuts
-    { key: modKey + 'z', fn: clickUndo }, { key: modKey + 'shift+z', fn: clickRedo }, { key: modKey + 'y', fn: clickRedo }, { key: modKey + 'x', fn: cutSelected }, { key: modKey + 'c', fn: copySelected }, { key: modKey + 'v', fn: pasteInCenter }];
-
-    // Tooltips not directly associated with a single function
     var keyAssocs = {
       '4/Shift+4': '#tools_rect_show',
       '5/Shift+5': '#tools_ellipse_show'
     };
-
     return {
       /** @lends module:SVGEditor~Actions */
+
       /**
        * @returns {undefined}
        */
       setAll: function setAll() {
         var flyouts = {};
-
         $$b.each(toolButtons, function (i, opts) {
           // Bind function to button
-          var btn = void 0;
+          var btn;
+
           if (opts.sel) {
             btn = $$b(opts.sel);
+
             if (!btn.length) {
               return true;
             } // Skip if markup does not exist
+
+
             if (opts.evt) {
               if (isTouch() && opts.evt === 'click') {
                 opts.evt = 'mousedown';
               }
-              btn[opts.evt](opts.fn);
-            }
 
-            // Add to parent flyout menu, if able to be displayed
+              btn[opts.evt](opts.fn);
+            } // Add to parent flyout menu, if able to be displayed
+
+
             if (opts.parent && $$b(opts.parent + '_show').length) {
               var fH = $$b(opts.parent);
+
               if (!fH.length) {
                 fH = makeFlyoutHolder(opts.parent.substr(1));
               }
+
               if (opts.prepend) {
                 btn[0].style.margin = 'initial';
               }
+
               fH[opts.prepend ? 'prepend' : 'append'](btn);
 
               if (!Array.isArray(flyouts[opts.parent])) {
                 flyouts[opts.parent] = [];
               }
+
               flyouts[opts.parent].push(opts);
             }
-          }
+          } // Bind function to shortcut key
+
 
-          // Bind function to shortcut key
           if (opts.key) {
             // Set shortcut based on options
-            var keyval = void 0,
-
-            // disInInp = true,
+            var keyval,
+                // disInInp = true,
             pd = false;
+
             if (Array.isArray(opts.key)) {
               keyval = opts.key[0];
+
               if (opts.key.length > 1) {
                 pd = opts.key[1];
-              }
-              // if (opts.key.length > 2) { disInInp = opts.key[2]; }
+              } // if (opts.key.length > 2) { disInInp = opts.key[2]; }
+
             } else {
               keyval = opts.key;
             }
+
             keyval += '';
-
             var fn = opts.fn;
-
             $$b.each(keyval.split('/'), function (i, key) {
               $$b(document).bind('keydown', key, function (e) {
                 fn();
+
                 if (pd) {
                   e.preventDefault();
-                }
-                // Prevent default on ALL keys?
+                } // Prevent default on ALL keys?
+
+
                 return false;
               });
-            });
+            }); // Put shortcut in title
 
-            // Put shortcut in title
             if (opts.sel && !opts.hidekey && btn.attr('title')) {
               var newTitle = btn.attr('title').split('[')[0] + ' (' + keyval + ')';
-              keyAssocs[keyval] = opts.sel;
-              // Disregard for menu items
+              keyAssocs[keyval] = opts.sel; // Disregard for menu items
+
               if (!btn.parents('#main_menu').length) {
                 btn.attr('title', newTitle);
               }
             }
           }
-        });
-
-        // Setup flyouts
-        setupFlyouts(flyouts);
-
-        // Misc additional actions
+        }); // Setup flyouts
 
+        setupFlyouts(flyouts); // Misc additional actions
         // Make 'return' keypress trigger the change event
+
         $$b('.attr_changer, #image_url').bind('keydown', 'return', function (evt) {
           $$b(this).change();
           evt.preventDefault();
         });
-
         $$b(window).bind('keydown', 'tab', function (e) {
           if (uiContext === 'canvas') {
             e.preventDefault();
@@ -30429,7 +33537,6 @@ editor.init = function () {
             selectPrev();
           }
         });
-
         $$b('#tool_zoom').dblclick(dblclickZoom);
       },
 
@@ -30439,25 +33546,29 @@ editor.init = function () {
       setTitles: function setTitles() {
         $$b.each(keyAssocs, function (keyval, sel) {
           var menu = $$b(sel).parents('#main_menu').length;
-
           $$b(sel).each(function () {
-            var t = void 0;
+            var t;
+
             if (menu) {
               t = $$b(this).text().split(' [')[0];
             } else {
               t = this.title.split(' [')[0];
             }
-            var keyStr = '';
-            // Shift+Up
+
+            var keyStr = ''; // Shift+Up
+
             $$b.each(keyval.split('/'), function (i, key) {
               var modBits = key.split('+');
               var mod = '';
+
               if (modBits.length > 1) {
                 mod = modBits[0] + '+';
                 key = modBits[1];
               }
+
               keyStr += (i ? '/' : '') + mod + (uiStrings$1['key_' + key] || key);
             });
+
             if (menu) {
               this.lastChild.textContent = t + ' [' + keyStr + ']';
             } else {
@@ -30477,15 +33588,16 @@ editor.init = function () {
         });
       }
     };
-  }();
+  }(); // Select given tool
+
 
-  // Select given tool
   editor.ready(function () {
-    var tool = void 0;
+    var tool;
     var itool = curConfig.initTool,
         container = $$b('#tools_left, #svg_editor .tools_flyout'),
         preTool = container.find('#tool_' + itool),
         regTool = container.find('#' + itool);
+
     if (preTool.length) {
       tool = preTool;
     } else if (regTool.length) {
@@ -30493,6 +33605,7 @@ editor.init = function () {
     } else {
       tool = $$b('#tool_select');
     }
+
     tool.click().mouseup();
 
     if (curConfig.wireframe) {
@@ -30524,19 +33637,57 @@ editor.init = function () {
     if (curConfig.gridColor) {
       $$b('#grid_color').val(curConfig.gridColor);
     }
+  }); // init SpinButtons
+
+  $$b('#rect_rx').SpinButton({
+    min: 0,
+    max: 1000,
+    stateObj: stateObj,
+    callback: changeRectRadius
   });
-
-  // init SpinButtons
-  $$b('#rect_rx').SpinButton({ min: 0, max: 1000, stateObj: stateObj, callback: changeRectRadius });
-  $$b('#stroke_width').SpinButton({ min: 0, max: 99, smallStep: 0.1, stateObj: stateObj, callback: changeStrokeWidth });
-  $$b('#angle').SpinButton({ min: -180, max: 180, step: 5, stateObj: stateObj, callback: changeRotationAngle });
-  $$b('#font_size').SpinButton({ min: 0.001, stepfunc: stepFontSize, stateObj: stateObj, callback: changeFontSize });
-  $$b('#group_opacity').SpinButton({ min: 0, max: 100, step: 5, stateObj: stateObj, callback: changeOpacity });
-  $$b('#blur').SpinButton({ min: 0, max: 10, step: 0.1, stateObj: stateObj, callback: changeBlur });
-  $$b('#zoom').SpinButton({ min: 0.001, max: 10000, step: 50, stepfunc: stepZoom, stateObj: stateObj, callback: changeZoom })
-  // Set default zoom
+  $$b('#stroke_width').SpinButton({
+    min: 0,
+    max: 99,
+    smallStep: 0.1,
+    stateObj: stateObj,
+    callback: changeStrokeWidth
+  });
+  $$b('#angle').SpinButton({
+    min: -180,
+    max: 180,
+    step: 5,
+    stateObj: stateObj,
+    callback: changeRotationAngle
+  });
+  $$b('#font_size').SpinButton({
+    min: 0.001,
+    stepfunc: stepFontSize,
+    stateObj: stateObj,
+    callback: changeFontSize
+  });
+  $$b('#group_opacity').SpinButton({
+    min: 0,
+    max: 100,
+    step: 5,
+    stateObj: stateObj,
+    callback: changeOpacity
+  });
+  $$b('#blur').SpinButton({
+    min: 0,
+    max: 10,
+    step: 0.1,
+    stateObj: stateObj,
+    callback: changeBlur
+  });
+  $$b('#zoom').SpinButton({
+    min: 0.001,
+    max: 10000,
+    step: 50,
+    stepfunc: stepZoom,
+    stateObj: stateObj,
+    callback: changeZoom
+  }) // Set default zoom
   .val(svgCanvas.getZoom() * 100);
-
   $$b('#workarea').contextMenu({
     menu: 'cmenu_canvas',
     inSpeed: 0
@@ -30545,41 +33696,53 @@ editor.init = function () {
       case 'delete':
         deleteSelected();
         break;
+
       case 'cut':
         cutSelected();
         break;
+
       case 'copy':
         copySelected();
         break;
+
       case 'paste':
         svgCanvas.pasteElements();
         break;
+
       case 'paste_in_place':
         svgCanvas.pasteElements('in_place');
         break;
+
       case 'group':
       case 'group_elements':
         svgCanvas.groupSelectedElements();
         break;
+
       case 'ungroup':
         svgCanvas.ungroupSelectedElement();
         break;
+
       case 'move_front':
         moveToTopSelected();
         break;
+
       case 'move_up':
         moveUpDownSelected('Up');
         break;
+
       case 'move_down':
         moveUpDownSelected('Down');
         break;
+
       case 'move_back':
         moveToBottomSelected();
         break;
+
       default:
         if (hasCustomHandler(action)) {
           getCustomHandler(action).call();
         }
+
         break;
     }
   });
@@ -30589,12 +33752,15 @@ editor.init = function () {
       case 'dupe':
         cloneLayer();
         break;
+
       case 'delete':
         deleteLayer();
         break;
+
       case 'merge_down':
         mergeLayer();
         break;
+
       case 'merge_all':
         svgCanvas.mergeAllLayers();
         updateContextPanel();
@@ -30607,29 +33773,28 @@ editor.init = function () {
     menu: 'cmenu_layers',
     inSpeed: 0
   }, lmenuFunc);
-
   $$b('#layer_moreopts').contextMenu({
     menu: 'cmenu_layers',
     inSpeed: 0,
     allowLeft: true
   }, lmenuFunc);
-
   $$b('.contextMenu li').mousedown(function (ev) {
     ev.preventDefault();
   });
-
   $$b('#cmenu_canvas li').disableContextMenu();
   canvMenu.enableContextMenuItems('#delete,#cut,#copy');
 
   function enableOrDisableClipboard() {
-    var svgeditClipboard = void 0;
+    var svgeditClipboard;
+
     try {
       svgeditClipboard = localStorage.getItem('svgedit_clipboard');
     } catch (err) {}
+
     canvMenu[(svgeditClipboard ? 'en' : 'dis') + 'ableContextMenuItems']('#paste,#paste_in_place');
   }
-  enableOrDisableClipboard();
 
+  enableOrDisableClipboard();
   window.addEventListener('storage', function (e) {
     if (e.key !== 'svgedit_clipboard') {
       return;
@@ -30637,41 +33802,44 @@ editor.init = function () {
 
     enableOrDisableClipboard();
   });
-
   window.addEventListener('beforeunload', function (e) {
     // Suppress warning if page is empty
     if (undoMgr.getUndoStackSize() === 0) {
       editor.showSaveWarning = false;
-    }
+    } // showSaveWarning is set to 'false' when the page is saved.
+
 
-    // showSaveWarning is set to 'false' when the page is saved.
     if (!curConfig.no_save_warning && editor.showSaveWarning) {
       // Browser already asks question about closing the page
       e.returnValue = uiStrings$1.notification.unsavedChanges; // Firefox needs this when beforeunload set by addEventListener (even though message is not used)
+
       return uiStrings$1.notification.unsavedChanges;
     }
   }, false);
-
   /**
   * Expose the uiStrings
   * @function module:SVGEditor.canvas.getUIStrings
   * @returns {module:SVGEditor.uiStrings}
   */
+
   editor.canvas.getUIStrings = function () {
     return uiStrings$1;
   };
-
   /**
   * @callback module:SVGEditor.OpenPrepCallback
   * @param {boolean} noChanges
   * @returns {undefined}
   */
+
   /**
   * @param {module:SVGEditor.OpenPrepCallback} func Confirmation dialog callback
   * @returns {undefined}
   */
+
+
   editor.openPrep = function (func) {
     $$b('#main_menu').hide();
+
     if (undoMgr.getUndoStackSize() === 0) {
       func(true);
     } else {
@@ -30681,8 +33849,7 @@ editor.init = function () {
 
   function onDragEnter(e) {
     e.stopPropagation();
-    e.preventDefault();
-    // and indicator should be displayed here, such as "drop files here"
+    e.preventDefault(); // and indicator should be displayed here, such as "drop files here"
   }
 
   function onDragOver(e) {
@@ -30692,13 +33859,13 @@ editor.init = function () {
 
   function onDragLeave(e) {
     e.stopPropagation();
-    e.preventDefault();
-    // hypothetical indicator should be removed here
-  }
-  // Use HTML5 File API: http://www.w3.org/TR/FileAPI/
+    e.preventDefault(); // hypothetical indicator should be removed here
+  } // Use HTML5 File API: http://www.w3.org/TR/FileAPI/
   // if browser has HTML5 File API support, then we will show the open menu item
   // and provide a file input to click. When that change event fires, it will
   // get the text contents of the file and send it to the canvas
+
+
   if (window.FileReader) {
     var importImage = function importImage(e) {
       $$b.process_cancel(uiStrings$1.notification.loadingImage);
@@ -30707,6 +33874,7 @@ editor.init = function () {
       $$b('#workarea').removeAttr('style');
       $$b('#main_menu').hide();
       var file = e.type === 'drop' ? e.dataTransfer.files[0] : this.files[0];
+
       if (!file) {
         $$b('#dialog_box').hide();
         return;
@@ -30714,29 +33882,35 @@ editor.init = function () {
       /* if (file.type === 'application/pdf') { // Todo: Handle PDF imports
        }
       else */
+
+
       if (file.type.includes('image')) {
         // Detected an image
         // svg handling
-        var reader = void 0;
+        var reader;
+
         if (file.type.includes('svg')) {
           reader = new FileReader();
+
           reader.onloadend = function (e) {
             var newElement = svgCanvas.importSvgString(e.target.result, true);
             svgCanvas.ungroupSelectedElement();
             svgCanvas.ungroupSelectedElement();
             svgCanvas.groupSelectedElements();
             svgCanvas.alignSelectedElements('m', 'page');
-            svgCanvas.alignSelectedElements('c', 'page');
-            // highlight imported element, otherwise we get strange empty selectbox
+            svgCanvas.alignSelectedElements('c', 'page'); // highlight imported element, otherwise we get strange empty selectbox
+
             svgCanvas.selectOnly([newElement]);
             $$b('#dialog_box').hide();
           };
+
           reader.readAsText(file);
         } else {
           // bitmap handling
           reader = new FileReader();
-          reader.onloadend = function (_ref16) {
-            var result = _ref16.target.result;
+
+          reader.onloadend = function (_ref17) {
+            var result = _ref17.target.result;
 
             // let's insert the new image until we know its dimensions
             var insertNewImage = function insertNewImage(width, height) {
@@ -30757,19 +33931,23 @@ editor.init = function () {
               svgCanvas.alignSelectedElements('c', 'page');
               updateContextPanel();
               $$b('#dialog_box').hide();
-            };
-            // create dummy img so we know the default dimensions
+            }; // create dummy img so we know the default dimensions
+
+
             var imgWidth = 100;
             var imgHeight = 100;
             var img = new Image();
             img.style.opacity = 0;
+
             img.onload = function () {
               imgWidth = img.offsetWidth || img.naturalWidth || img.width;
               imgHeight = img.offsetHeight || img.naturalHeight || img.height;
               insertNewImage(imgWidth, imgHeight);
             };
+
             img.src = result;
           };
+
           reader.readAsDataURL(file);
         }
       }
@@ -30779,35 +33957,35 @@ editor.init = function () {
     workarea[0].addEventListener('dragover', onDragOver, false);
     workarea[0].addEventListener('dragleave', onDragLeave, false);
     workarea[0].addEventListener('drop', importImage, false);
-
     var open = $$b('<input type="file">').click(function () {
       var f = this;
       editor.openPrep(function (ok) {
         if (!ok) {
           return;
         }
+
         svgCanvas.clear();
+
         if (f.files.length === 1) {
           $$b.process_cancel(uiStrings$1.notification.loadingImage);
           var reader = new FileReader();
+
           reader.onloadend = function (e) {
             loadSvgString(e.target.result);
             updateCanvas();
           };
+
           reader.readAsText(f.files[0]);
         }
       });
     });
     $$b('#tool_open').show().prepend(open);
-
     var imgImport = $$b('<input type="file">').change(importImage);
     $$b('#tool_import').show().prepend(imgImport);
-  }
+  } // $(function () {
 
-  // $(function () {
-  updateCanvas(true);
-  // });
 
+  updateCanvas(true); // });
   //  const revnums = 'svg-editor.js ($Rev$) ';
   //  revnums += svgCanvas.getVersion();
   //  $('#copyright')[0].setAttribute('title', revnums);
@@ -30820,63 +33998,72 @@ editor.init = function () {
   * @fires module:svgcanvas.SvgCanvas#event:ext-langChanged
   * @returns {undefined}
   */
+
   var setLang = editor.setLang = function (lang, allStrings) {
     editor.langChanged = true;
     $$b.pref('lang', lang);
     $$b('#lang_select').val(lang);
+
     if (!allStrings) {
       return;
     }
-    $$b.extend(uiStrings$1, allStrings);
 
-    // const notif = allStrings.notification; // Currently unused
+    $$b.extend(uiStrings$1, allStrings); // const notif = allStrings.notification; // Currently unused
     // $.extend will only replace the given strings
+
     var oldLayerName = $$b('#layerlist tr.layersel td.layername').text();
     var renameLayer = oldLayerName === uiStrings$1.common.layer + ' 1';
-
     svgCanvas.setUiStrings(allStrings);
     Actions.setTitles();
 
     if (renameLayer) {
       svgCanvas.renameCurrentLayer(uiStrings$1.common.layer + ' 1');
       populateLayers();
-    }
+    } // In case extensions loaded before the locale, now we execute a callback on them
+
 
-    // In case extensions loaded before the locale, now we execute a callback on them
     if (extsPreLang.length) {
       while (extsPreLang.length) {
         var ext = extsPreLang.shift();
         ext.langReady({
           lang: lang,
           uiStrings: uiStrings$1,
-          importLocale: getImportLocale({ defaultLang: lang, defaultName: ext.name })
+          importLocale: getImportLocale({
+            defaultLang: lang,
+            defaultName: ext.name
+          })
         });
       }
     } else {
-      svgCanvas.runExtensions('langReady', /** @type {module:svgcanvas.SvgCanvas#event:ext-langReady} */{ lang: lang, uiStrings: uiStrings$1 });
+      svgCanvas.runExtensions('langReady',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-langReady} */
+      {
+        lang: lang,
+        uiStrings: uiStrings$1
+      });
     }
-    svgCanvas.runExtensions('langChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-langChanged} */lang);
 
-    // Update flyout tooltips
-    setFlyoutTitles();
+    svgCanvas.runExtensions('langChanged',
+    /** @type {module:svgcanvas.SvgCanvas#event:ext-langChanged} */
+    lang); // Update flyout tooltips
+
+    setFlyoutTitles(); // Copy title for certain tool elements
 
-    // Copy title for certain tool elements
     var elems = {
       '#stroke_color': '#tool_stroke .icon_label, #tool_stroke .color_block',
       '#fill_color': '#tool_fill label, #tool_fill .color_block',
       '#linejoin_miter': '#cur_linejoin',
       '#linecap_butt': '#cur_linecap'
     };
-
     $$b.each(elems, function (source, dest) {
       $$b(dest).attr('title', $$b(source)[0].title);
-    });
+    }); // Copy alignment titles
 
-    // Copy alignment titles
     $$b('#multiselected_panel div[id^=tool_align]').each(function () {
       $$b('#tool_pos' + this.id.substr(10))[0].title = this.title;
     });
   };
+
   init$7(
   /**
   * @implements {module:locale.LocaleEditorInit}
@@ -30904,15 +34091,17 @@ editor.init = function () {
         // We pass in a function as we don't know the extension name here when defining this `addLangData` method
         return {
           lang: langParam,
-          importLocale: getImportLocale({ defaultLang: langParam, defaultName: name })
+          importLocale: getImportLocale({
+            defaultLang: langParam,
+            defaultName: name
+          })
         };
       }, true);
     },
-
     curConfig: curConfig
-  });
-  // Load extensions
+  }); // Load extensions
   // Bit of a hack to run extensions in local Opera/IE9
+
   if (document.location.protocol === 'file:') {
     setTimeout(extAndLocaleFunc, 100);
   } else {
@@ -30920,11 +34109,11 @@ editor.init = function () {
     extAndLocaleFunc();
   }
 };
-
 /**
 * @callback module:SVGEditor.ReadyCallback
 * @returns {undefined}
 */
+
 /**
 * Queues a callback to be invoked when the editor is ready (or
 *   to be invoked immediately if it is already ready--i.e.,
@@ -30932,6 +34121,8 @@ editor.init = function () {
 * @param {module:SVGEditor.ReadyCallback} cb Callback to be queued to invoke
 * @returns {undefined}
 */
+
+
 editor.ready = function (cb) {
   if (!isReady) {
     callbacks.push(cb);
@@ -30939,45 +34130,47 @@ editor.ready = function (cb) {
     cb();
   }
 };
-
 /**
 * Invokes the callbacks previous set by `svgEditor.ready`
 * @returns {undefined}
 */
+
+
 editor.runCallbacks = function () {
   callbacks.forEach(function (cb) {
     cb();
   });
   isReady = true;
 };
-
 /**
 * @param {string} str The SVG string to load
 * @returns {undefined}
 */
+
+
 editor.loadFromString = function (str) {
   editor.ready(function () {
     loadSvgString(str);
   });
 };
-
 /**
 * Not presently in use
 * @param {PlainObject} featList
 * @returns {undefined}
 */
-editor.disableUI = function (featList) {
-  // $(function () {
+
+
+editor.disableUI = function (featList) {// $(function () {
   //   $('#tool_wireframe, #tool_image, #main_button, #tool_source, #sidepanels').remove();
   //   $('#tools_top').css('left', 5);
   // });
 };
-
 /**
  * @callback module:SVGEditor.URLLoadCallback
  * @param {boolean} success
  * @returns {undefined}
  */
+
 /**
 * @param {string} url URL from which to load an SVG string via Ajax
 * @param {PlainObject} [opts] May contain properties: `cache`, `callback`
@@ -30985,6 +34178,8 @@ editor.disableUI = function (featList) {
 * @param {module:SVGEditor.URLLoadCallback} opts.callback Invoked with `true` or `false` depending on success
 * @returns {undefined}
 */
+
+
 editor.loadFromURL = function (url, opts) {
   if (!opts) {
     opts = {};
@@ -30993,8 +34188,6 @@ editor.loadFromURL = function (url, opts) {
   var _opts = opts,
       cache = _opts.cache,
       cb = _opts.callback;
-
-
   editor.ready(function () {
     $$b.ajax({
       url: url,
@@ -31019,28 +34212,31 @@ editor.loadFromURL = function (url, opts) {
     });
   });
 };
-
 /**
 * @param {string} str The Data URI to base64-decode (if relevant) and load
 * @returns {undefined}
 */
+
+
 editor.loadFromDataURI = function (str) {
   editor.ready(function () {
     var base64 = false;
     var pre = str.match(/^data:image\/svg\+xml;base64,/);
+
     if (pre) {
       base64 = true;
     } else {
       pre = str.match(/^data:image\/svg\+xml(?:;(?:utf8)?)?,/);
     }
+
     if (pre) {
       pre = pre[0];
     }
+
     var src = str.slice(pre.length);
     loadSvgString(base64 ? decode64(src) : decodeURIComponent(src));
   });
 };
-
 /**
  * @param {string} name Used internally; no need for i18n.
  * @param {module:svgcanvas.ExtensionInitCallback} init Config to be invoked on this module
@@ -31048,6 +34244,8 @@ editor.loadFromDataURI = function (str) {
  * @throws {Error} If called too early
  * @returns {Promise} Resolves to `undefined`
 */
+
+
 editor.addExtension = function (name, init$$1, importLocale) {
   // Note that we don't want this on editor.ready since some extensions
   // may want to run before then (like server_opensave).
@@ -31055,16 +34253,15 @@ editor.addExtension = function (name, init$$1, importLocale) {
   if (!svgCanvas) {
     throw new Error('Extension added too early');
   }
-  return svgCanvas.addExtension.call(this, name, init$$1, importLocale);
-  // });
-};
 
-// Defer injection to wait out initial menu processing. This probably goes
+  return svgCanvas.addExtension.call(this, name, init$$1, importLocale); // });
+}; // Defer injection to wait out initial menu processing. This probably goes
 //    away once all context menu behavior is brought to context menu.
+
+
 editor.ready(function () {
   injectExtendedContextMenuItemsIntoDom();
 });
-
 var extensionsAdded = false;
 var messageQueue = [];
 /**
@@ -31073,12 +34270,16 @@ var messageQueue = [];
  * @fires module:svgcanvas.SvgCanvas#event:message
  * @returns {undefined}
  */
-var messageListener = function messageListener(_ref17) {
-  var data = _ref17.data,
-      origin = _ref17.origin;
 
+var messageListener = function messageListener(_ref18) {
+  var data = _ref18.data,
+      origin = _ref18.origin;
   // console.log('data, origin, extensionsAdded', data, origin, extensionsAdded);
-  var messageObj = { data: data, origin: origin };
+  var messageObj = {
+    data: data,
+    origin: origin
+  };
+
   if (!extensionsAdded) {
     messageQueue.push(messageObj);
   } else {
@@ -31087,10 +34288,10 @@ var messageListener = function messageListener(_ref17) {
     svgCanvas.call('message', messageObj);
   }
 };
-window.addEventListener('message', messageListener);
 
-// Run init once DOM is loaded
+window.addEventListener('message', messageListener); // Run init once DOM is loaded
 // jQuery(editor.init);
+
 Promise.resolve().then(function () {
   // We wait a micro-task to let the svgEditor variable be defined for module checks
   editor.init();
diff --git a/dist/index-es.min.js b/dist/index-es.min.js
index d611bba7..116ae7fe 100644
--- a/dist/index-es.min.js
+++ b/dist/index-es.min.js
@@ -1,2 +1,2 @@
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t=e.apply(this,arguments);return new Promise(function(e,n){return function a(r,i){try{var o=t[r](i),s=o.value}catch(e){return void n(e)}if(!o.done)return Promise.resolve(s).then(function(e){a("next",e)},function(e){a("throw",e)});e(s)}("next")})}},classCallCheck=function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")},createClass=function(){function e(e,t){for(var n=0;n<t.length;n++){var a=t[n];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}return function(t,n,a){return n&&e(t.prototype,n),a&&e(t,a),t}}(),_extends=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var n=arguments[t];for(var a in n)Object.prototype.hasOwnProperty.call(n,a)&&(e[a]=n[a])}return e},inherits=function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof 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"+this._x+" "+this._y}},{key:"clone",value:function(){return new n(void 0,this._x,this._y,this._x2,this._y2)}}]),n}();Object.defineProperties(v.prototype,{x:{get:function(){return this._x},set:function(e){this._x=e,this._segmentChanged()},enumerable:!0},y:{get:function(){return this._y},set:function(e){this._y=e,this._segmentChanged()},enumerable:!0},x2:{get:function(){return this._x2},set:function(e){this._x2=e,this._segmentChanged()},enumerable:!0},y2:{get:function(){return this._y2},set:function(e){this._y2=e,this._segmentChanged()},enumerable:!0}});var m=function(t){function n(t,a,r,i,o){classCallCheck(this,n);var s=possibleConstructorReturn(this,(n.__proto__||Object.getPrototypeOf(n)).call(this,e.PATHSEG_CURVETO_CUBIC_SMOOTH_REL,"s",t));return s._x=a,s._y=r,s._x2=i,s._y2=o,s}return inherits(n,e),createClass(n,[{key:"toString",value:function(){return"[object SVGPathSegCurvetoCubicSmoothRel]"}},{key:"_asPathString",value:function(){return this.pathSegTypeAsLetter+" "+this._x2+" "+this._y2+" "+this._x+" "+this._y}},{key:"clone",value:function(){return new n(void 0,this._x,this._y,this._x2,this._y2)}}]),n}();Object.defineProperties(m.prototype,{x:{get:function(){return this._x},set:function(e){this._x=e,this._segmentChanged()},enumerable:!0},y:{get:function(){return this._y},set:function(e){this._y=e,this._segmentChanged()},enumerable:!0},x2:{get:function(){return this._x2},set:function(e){this._x2=e,this._segmentChanged()},enumerable:!0},y2:{get:function(){return this._y2},set:function(e){this._y2=e,this._segmentChanged()},enumerable:!0}});var _=function(t){function n(t,a,r){classCallCheck(this,n);var i=possibleConstructorReturn(this,(n.__proto__||Object.getPrototypeOf(n)).call(this,e.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS,"T",t));return i._x=a,i._y=r,i}return inherits(n,e),createClass(n,[{key:"toString",value:function(){return"[object SVGPathSegCurvetoQuadraticSmoothAbs]"}},{key:"_asPathString",value:function(){return this.pathSegTypeAsLetter+" "+this._x+" "+this._y}},{key:"clone",value:function(){return new n(void 0,this._x,this._y)}}]),n}();Object.defineProperties(_.prototype,{x:{get:function(){return this._x},set:function(e){this._x=e,this._segmentChanged()},enumerable:!0},y:{get:function(){return this._y},set:function(e){this._y=e,this._segmentChanged()},enumerable:!0}});var b=function(t){function n(t,a,r){classCallCheck(this,n);var i=possibleConstructorReturn(this,(n.__proto__||Object.getPrototypeOf(n)).call(this,e.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL,"t",t));return i._x=a,i._y=r,i}return inherits(n,e),createClass(n,[{key:"toString",value:function(){return"[object SVGPathSegCurvetoQuadraticSmoothRel]"}},{key:"_asPathString",value:function(){return this.pathSegTypeAsLetter+" "+this._x+" "+this._y}},{key:"clone",value:function(){return new n(void 0,this._x,this._y)}}]),n}();Object.defineProperties(b.prototype,{x:{get:function(){return this._x},set:function(e){this._x=e,this._segmentChanged()},enumerable:!0},y:{get:function(){return this._y},set:function(e){this._y=e,this._segmentChanged()},enumerable:!0}}),SVGPathElement.prototype.createSVGPathSegClosePath=function(){return new t(void 0)},SVGPathElement.prototype.createSVGPathSegMovetoAbs=function(e,t){return new n(void 0,e,t)},SVGPathElement.prototype.createSVGPathSegMovetoRel=function(e,t){return new a(void 0,e,t)},SVGPathElement.prototype.createSVGPathSegLinetoAbs=function(e,t){return new r(void 0,e,t)},SVGPathElement.prototype.createSVGPathSegLinetoRel=function(e,t){return new i(void 0,e,t)},SVGPathElement.prototype.createSVGPathSegCurvetoCubicAbs=function(e,t,n,a,r,i){return new o(void 0,e,t,n,a,r,i)},SVGPathElement.prototype.createSVGPathSegCurvetoCubicRel=function(e,t,n,a,r,i){return new s(void 0,e,t,n,a,r,i)},SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticAbs=function(e,t,n,a){return new l(void 0,e,t,n,a)},SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticRel=function(e,t,n,a){return new c(void 0,e,t,n,a)},SVGPathElement.prototype.createSVGPathSegArcAbs=function(e,t,n,a,r,i,o){return new u(void 0,e,t,n,a,r,i,o)},SVGPathElement.prototype.createSVGPathSegArcRel=function(e,t,n,a,r,i,o){return new d(void 0,e,t,n,a,r,i,o)},SVGPathElement.prototype.createSVGPathSegLinetoHorizontalAbs=function(e){return new h(void 0,e)},SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel=function(e){return new g(void 0,e)},SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs=function(e){return new p(void 0,e)},SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel=function(e){return new f(void 0,e)},SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs=function(e,t,n,a){return new v(void 0,e,t,n,a)},SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel=function(e,t,n,a){return new m(void 0,e,t,n,a)},SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs=function(e,t){return new _(void 0,e,t)},SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel=function(e,t){return new b(void 0,e,t)},"getPathSegAtLength"in SVGPathElement.prototype||(SVGPathElement.prototype.getPathSegAtLength=function(e){if(void 0===e||!isFinite(e))throw new Error("Invalid arguments.");var t=document.createElementNS("http://www.w3.org/2000/svg","path");t.setAttribute("d",this.getAttribute("d"));var n=t.pathSegList.numberOfItems-1;if(n<=0)return 0;do{if(t.pathSegList.removeItem(n),e>t.getTotalLength())break;n--}while(n>0);return n}),window.SVGPathSeg=e,window.SVGPathSegClosePath=t,window.SVGPathSegMovetoAbs=n,window.SVGPathSegMovetoRel=a,window.SVGPathSegLinetoAbs=r,window.SVGPathSegLinetoRel=i,window.SVGPathSegCurvetoCubicAbs=o,window.SVGPathSegCurvetoCubicRel=s,window.SVGPathSegCurvetoQuadraticAbs=l,window.SVGPathSegCurvetoQuadraticRel=c,window.SVGPathSegArcAbs=u,window.SVGPathSegArcRel=d,window.SVGPathSegLinetoHorizontalAbs=h,window.SVGPathSegLinetoHorizontalRel=g,window.SVGPathSegLinetoVerticalAbs=p,window.SVGPathSegLinetoVerticalRel=f,window.SVGPathSegCurvetoCubicSmoothAbs=v,window.SVGPathSegCurvetoCubicSmoothRel=m,window.SVGPathSegCurvetoQuadraticSmoothAbs=_,window.SVGPathSegCurvetoQuadraticSmoothRel=b}if(!("SVGPathSegList"in window&&"appendItem"in window.SVGPathSegList.prototype)){var y=function(){function e(t){classCallCheck(this,e),this._pathElement=t,this._list=this._parsePath(this._pathElement.getAttribute("d")),this._mutationObserverConfig={attributes:!0,attributeFilter:["d"]},this._pathElementMutationObserver=new MutationObserver(this._updateListFromPathMutations.bind(this)),this._pathElementMutationObserver.observe(this._pathElement,this._mutationObserverConfig)}return createClass(e,[{key:"_checkPathSynchronizedToList",value:function(){this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords())}},{key:"_updateListFromPathMutations",value:function(e){if(this._pathElement){var t=!1;e.forEach(function(e){"d"===e.attributeName&&(t=!0)}),t&&(this._list=this._parsePath(this._pathElement.getAttribute("d")))}}},{key:"_writeListToPath",value:function(){this._pathElementMutationObserver.disconnect(),this._pathElement.setAttribute("d",e._pathSegArrayAsString(this._list)),this._pathElementMutationObserver.observe(this._pathElement,this._mutationObserverConfig)}},{key:"segmentChanged",value:function(e){this._writeListToPath()}},{key:"clear",value:function(){this._checkPathSynchronizedToList(),this._list.forEach(function(e){e._owningPathSegList=null}),this._list=[],this._writeListToPath()}},{key:"initialize",value:function(e){return this._checkPathSynchronizedToList(),this._list=[e],e._owningPathSegList=this,this._writeListToPath(),e}},{key:"_checkValidIndex",value:function(e){if(isNaN(e)||e<0||e>=this.numberOfItems)throw new Error("INDEX_SIZE_ERR")}},{key:"getItem",value:function(e){return this._checkPathSynchronizedToList(),this._checkValidIndex(e),this._list[e]}},{key:"insertItemBefore",value:function(e,t){return this._checkPathSynchronizedToList(),t>this.numberOfItems&&(t=this.numberOfItems),e._owningPathSegList&&(e=e.clone()),this._list.splice(t,0,e),e._owningPathSegList=this,this._writeListToPath(),e}},{key:"replaceItem",value:function(e,t){return this._checkPathSynchronizedToList(),e._owningPathSegList&&(e=e.clone()),this._checkValidIndex(t),this._list[t]=e,e._owningPathSegList=this,this._writeListToPath(),e}},{key:"removeItem",value:function(e){this._checkPathSynchronizedToList(),this._checkValidIndex(e);var t=this._list[e];return this._list.splice(e,1),this._writeListToPath(),t}},{key:"appendItem",value:function(e){return this._checkPathSynchronizedToList(),e._owningPathSegList&&(e=e.clone()),this._list.push(e),e._owningPathSegList=this,this._writeListToPath(),e}},{key:"_parsePath",value:function(e){if(!e||!e.length)return[];var t=this,n=function(){function e(){classCallCheck(this,e),this.pathSegList=[]}return createClass(e,[{key:"appendSegment",value:function(e){this.pathSegList.push(e)}}]),e}(),a=function(){function e(t){classCallCheck(this,e),this._string=t,this._currentIndex=0,this._endIndex=this._string.length,this._previousCommand=SVGPathSeg.PATHSEG_UNKNOWN,this._skipOptionalSpaces()}return createClass(e,[{key:"_isCurrentSpace",value:function(){var e=this._string[this._currentIndex];return e<=" "&&(" "===e||"\n"===e||"\t"===e||"\r"===e||"\f"===e)}},{key:"_skipOptionalSpaces",value:function(){for(;this._currentIndex<this._endIndex&&this._isCurrentSpace();)this._currentIndex++;return this._currentIndex<this._endIndex}},{key:"_skipOptionalSpacesOrDelimiter",value:function(){return!(this._currentIndex<this._endIndex&&!this._isCurrentSpace()&&","!==this._string.charAt(this._currentIndex))&&(this._skipOptionalSpaces()&&this._currentIndex<this._endIndex&&","===this._string.charAt(this._currentIndex)&&(this._currentIndex++,this._skipOptionalSpaces()),this._currentIndex<this._endIndex)}},{key:"hasMoreData",value:function(){return this._currentIndex<this._endIndex}},{key:"peekSegmentType",value:function(){var e=this._string[this._currentIndex];return this._pathSegTypeFromChar(e)}},{key:"_pathSegTypeFromChar",value:function(e){switch(e){case"Z":case"z":return SVGPathSeg.PATHSEG_CLOSEPATH;case"M":return SVGPathSeg.PATHSEG_MOVETO_ABS;case"m":return SVGPathSeg.PATHSEG_MOVETO_REL;case"L":return SVGPathSeg.PATHSEG_LINETO_ABS;case"l":return SVGPathSeg.PATHSEG_LINETO_REL;case"C":return SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;case"c":return SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;case"Q":return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;case"q":return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;case"A":return SVGPathSeg.PATHSEG_ARC_ABS;case"a":return SVGPathSeg.PATHSEG_ARC_REL;case"H":return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;case"h":return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;case"V":return SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;case"v":return SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;case"S":return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;case"s":return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;case"T":return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;case"t":return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;default:return SVGPathSeg.PATHSEG_UNKNOWN}}},{key:"_nextCommandHelper",value:function(e,t){return("+"===e||"-"===e||"."===e||e>="0"&&e<="9")&&t!==SVGPathSeg.PATHSEG_CLOSEPATH?t===SVGPathSeg.PATHSEG_MOVETO_ABS?SVGPathSeg.PATHSEG_LINETO_ABS:t===SVGPathSeg.PATHSEG_MOVETO_REL?SVGPathSeg.PATHSEG_LINETO_REL:t:SVGPathSeg.PATHSEG_UNKNOWN}},{key:"initialCommandIsMoveTo",value:function(){if(!this.hasMoreData())return!0;var e=this.peekSegmentType();return e===SVGPathSeg.PATHSEG_MOVETO_ABS||e===SVGPathSeg.PATHSEG_MOVETO_REL}},{key:"_parseNumber",value:function(){var e=0,t=0,n=1,a=0,r=1,i=1,o=this._currentIndex;if(this._skipOptionalSpaces(),this._currentIndex<this._endIndex&&"+"===this._string.charAt(this._currentIndex)?this._currentIndex++:this._currentIndex<this._endIndex&&"-"===this._string.charAt(this._currentIndex)&&(this._currentIndex++,r=-1),!(this._currentIndex===this._endIndex||(this._string.charAt(this._currentIndex)<"0"||this._string.charAt(this._currentIndex)>"9")&&"."!==this._string.charAt(this._currentIndex))){for(var s=this._currentIndex;this._currentIndex<this._endIndex&&this._string.charAt(this._currentIndex)>="0"&&this._string.charAt(this._currentIndex)<="9";)this._currentIndex++;if(this._currentIndex!==s)for(var 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u=t+a;if(u*=r,e&&(u*=Math.pow(10,i*e)),o!==this._currentIndex)return this._skipOptionalSpacesOrDelimiter(),u}}},{key:"_parseArcFlag",value:function(){if(!(this._currentIndex>=this._endIndex)){var e=!1,t=this._string.charAt(this._currentIndex++);if("0"===t)e=!1;else{if("1"!==t)return;e=!0}return this._skipOptionalSpacesOrDelimiter(),e}}},{key:"parseSegment",value:function(){var e=this._string[this._currentIndex],n=this._pathSegTypeFromChar(e);if(n===SVGPathSeg.PATHSEG_UNKNOWN){if(this._previousCommand===SVGPathSeg.PATHSEG_UNKNOWN)return null;if((n=this._nextCommandHelper(e,this._previousCommand))===SVGPathSeg.PATHSEG_UNKNOWN)return null}else this._currentIndex++;switch(this._previousCommand=n,n){case SVGPathSeg.PATHSEG_MOVETO_REL:return new SVGPathSegMovetoRel(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_MOVETO_ABS:return new SVGPathSegMovetoAbs(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_REL:return new SVGPathSegLinetoRel(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_ABS:return new SVGPathSegLinetoAbs(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:return new SVGPathSegLinetoHorizontalRel(t,this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:return new SVGPathSegLinetoHorizontalAbs(t,this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:return new SVGPathSegLinetoVerticalRel(t,this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:return new SVGPathSegLinetoVerticalAbs(t,this._parseNumber());case SVGPathSeg.PATHSEG_CLOSEPATH:return this._skipOptionalSpaces(),new SVGPathSegClosePath(t);case SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:var a={x1:this._parseNumber(),y1:this._parseNumber(),x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()};return new SVGPathSegCurvetoCubicRel(t,a.x,a.y,a.x1,a.y1,a.x2,a.y2);case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:var r={x1:this._parseNumber(),y1:this._parseNumber(),x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()};return new SVGPathSegCurvetoCubicAbs(t,r.x,r.y,r.x1,r.y1,r.x2,r.y2);case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:var i={x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()};return new SVGPathSegCurvetoCubicSmoothRel(t,i.x,i.y,i.x2,i.y2);case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:var o={x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()};return new SVGPathSegCurvetoCubicSmoothAbs(t,o.x,o.y,o.x2,o.y2);case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:var s={x1:this._parseNumber(),y1:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()};return new SVGPathSegCurvetoQuadraticRel(t,s.x,s.y,s.x1,s.y1);case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:var l={x1:this._parseNumber(),y1:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()};return new SVGPathSegCurvetoQuadraticAbs(t,l.x,l.y,l.x1,l.y1);case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:return new SVGPathSegCurvetoQuadraticSmoothRel(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:return new SVGPathSegCurvetoQuadraticSmoothAbs(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_ARC_REL:var c={x1:this._parseNumber(),y1:this._parseNumber(),arcAngle:this._parseNumber(),arcLarge:this._parseArcFlag(),arcSweep:this._parseArcFlag(),x:this._parseNumber(),y:this._parseNumber()};return new SVGPathSegArcRel(t,c.x,c.y,c.x1,c.y1,c.arcAngle,c.arcLarge,c.arcSweep);case SVGPathSeg.PATHSEG_ARC_ABS:var u={x1:this._parseNumber(),y1:this._parseNumber(),arcAngle:this._parseNumber(),arcLarge:this._parseArcFlag(),arcSweep:this._parseArcFlag(),x:this._parseNumber(),y:this._parseNumber()};return new SVGPathSegArcAbs(t,u.x,u.y,u.x1,u.y1,u.arcAngle,u.arcLarge,u.arcSweep);default:throw new Error("Unknown path seg 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inherits(t,Command),createClass(t,[{key:"type",value:function(){return"svgedit.history.MoveElementCommand"}},{key:"apply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY,this),this.elem=this.newParent.insertBefore(this.elem,this.newNextSibling),e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY,this)}},{key:"unapply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY,this),this.elem=this.oldParent.insertBefore(this.elem,this.oldNextSibling),e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY,this)}},{key:"elements",value:function(){return[this.elem]}}]),t}();MoveElementCommand.type=MoveElementCommand.prototype.type;var InsertElementCommand=function(e){function t(e,n){classCallCheck(this,t);var a=possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return a.elem=e,a.text=n||"Create "+e.tagName,a.parent=e.parentNode,a.nextSibling=a.elem.nextSibling,a}return inherits(t,Command),createClass(t,[{key:"type",value:function(){return"svgedit.history.InsertElementCommand"}},{key:"apply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY,this),this.elem=this.parent.insertBefore(this.elem,this.nextSibling),e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY,this)}},{key:"unapply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY,this),this.parent=this.elem.parentNode,this.elem=this.elem.parentNode.removeChild(this.elem),e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY,this)}},{key:"elements",value:function(){return[this.elem]}}]),t}();InsertElementCommand.type=InsertElementCommand.prototype.type;var RemoveElementCommand=function(e){function t(e,n,a,r){classCallCheck(this,t);var i=possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return i.elem=e,i.text=r||"Delete "+e.tagName,i.nextSibling=n,i.parent=a,removeElementFromListMap(e),i}return inherits(t,Command),createClass(t,[{key:"type",value:function(){return"svgedit.history.RemoveElementCommand"}},{key:"apply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY,this),removeElementFromListMap(this.elem),this.parent=this.elem.parentNode,this.elem=this.parent.removeChild(this.elem),e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY,this)}},{key:"unapply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY,this),removeElementFromListMap(this.elem),null==this.nextSibling&&window.console&&console.log("Error: reference element was lost"),this.parent.insertBefore(this.elem,this.nextSibling),e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY,this)}},{key:"elements",value:function(){return[this.elem]}}]),t}();RemoveElementCommand.type=RemoveElementCommand.prototype.type;var ChangeElementCommand=function(e){function t(e,n,a){classCallCheck(this,t);var r=possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));for(var i in r.elem=e,r.text=a?"Change "+e.tagName+" "+a:"Change "+e.tagName,r.newValues={},r.oldValues=n,n)r.newValues[i]="#text"===i?e.textContent:"#href"===i?getHref(e):e.getAttribute(i);return r}return inherits(t,Command),createClass(t,[{key:"type",value:function(){return"svgedit.history.ChangeElementCommand"}},{key:"apply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY,this);var t=!1;for(var n in this.newValues)this.newValues[n]?"#text"===n?this.elem.textContent=this.newValues[n]:"#href"===n?setHref(this.elem,this.newValues[n]):this.elem.setAttribute(n,this.newValues[n]):"#text"===n?this.elem.textContent="":(this.elem.setAttribute(n,""),this.elem.removeAttribute(n)),"transform"===n&&(t=!0);if(!t){var a=getRotationAngle(this.elem);if(a){var r=this.elem.getBBox(),i=["rotate(",a," ",r.x+r.width/2,",",r.y+r.height/2,")"].join("");i!==this.elem.getAttribute("transform")&&this.elem.setAttribute("transform",i)}}return e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY,this),!0}},{key:"unapply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY,this);var t=!1;for(var n in this.oldValues)this.oldValues[n]?"#text"===n?this.elem.textContent=this.oldValues[n]:"#href"===n?setHref(this.elem,this.oldValues[n]):this.elem.setAttribute(n,this.oldValues[n]):"#text"===n?this.elem.textContent="":this.elem.removeAttribute(n),"transform"===n&&(t=!0);if(!t){var a=getRotationAngle(this.elem);if(a){var r=this.elem.getBBox(),i=["rotate(",a," ",r.x+r.width/2,",",r.y+r.height/2,")"].join("");i!==this.elem.getAttribute("transform")&&this.elem.setAttribute("transform",i)}}return removeElementFromListMap(this.elem),e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY,this),!0}},{key:"elements",value:function(){return[this.elem]}}]),t}();ChangeElementCommand.type=ChangeElementCommand.prototype.type;var BatchCommand=function(e){function t(e){classCallCheck(this,t);var n=possibleConstructorReturn(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));return n.text=e||"Batch Command",n.stack=[],n}return inherits(t,Command),createClass(t,[{key:"type",value:function(){return"svgedit.history.BatchCommand"}},{key:"apply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY,this);for(var t=this.stack.length,n=0;n<t;++n)this.stack[n].apply(e);e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY,this)}},{key:"unapply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY,this);for(var t=this.stack.length-1;t>=0;t--)this.stack[t].unapply(e);e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY,this)}},{key:"elements",value:function(){for(var e=[],t=this.stack.length;t--;)for(var n=this.stack[t].elements(),a=n.length;a--;)e.includes(n[a])||e.push(n[a]);return e}},{key:"addSubCommand",value:function(e){this.stack.push(e)}},{key:"isEmpty",value:function(){return!this.stack.length}}]),t}();BatchCommand.type=BatchCommand.prototype.type;var UndoManager=function(){function e(t){classCallCheck(this,e),this.handler_=t||null,this.undoStackPointer=0,this.undoStack=[],this.undoChangeStackPointer=-1,this.undoableChangeStack=[]}return createClass(e,[{key:"resetUndoStack",value:function(){this.undoStack=[],this.undoStackPointer=0}},{key:"getUndoStackSize",value:function(){return this.undoStackPointer}},{key:"getRedoStackSize",value:function(){return this.undoStack.length-this.undoStackPointer}},{key:"getNextUndoCommandText",value:function(){return this.undoStackPointer>0?this.undoStack[this.undoStackPointer-1].getText():""}},{key:"getNextRedoCommandText",value:function(){return this.undoStackPointer<this.undoStack.length?this.undoStack[this.undoStackPointer].getText():""}},{key:"undo",value:function(){this.undoStackPointer>0&&this.undoStack[--this.undoStackPointer].unapply(this.handler_)}},{key:"redo",value:function(){this.undoStackPointer<this.undoStack.length&&this.undoStack.length>0&&this.undoStack[this.undoStackPointer++].apply(this.handler_)}},{key:"addCommandToHistory",value:function(e){this.undoStackPointer<this.undoStack.length&&this.undoStack.length>0&&(this.undoStack=this.undoStack.splice(0,this.undoStackPointer)),this.undoStack.push(e),this.undoStackPointer=this.undoStack.length}},{key:"beginUndoableChange",value:function(e,t){for(var n=++this.undoChangeStackPointer,a=t.length,r=new Array(a),i=new Array(a);a--;){var o=t[a];null!=o&&(i[a]=o,r[a]=o.getAttribute(e))}this.undoableChangeStack[n]={attrName:e,oldValues:r,elements:i}}},{key:"finishUndoableChange",value:function(){for(var e=this.undoChangeStackPointer--,t=this.undoableChangeStack[e],n=t.attrName,a=new BatchCommand("Change "+n),r=t.elements.length;r--;){var i=t.elements[r];if(null!=i){var o={};o[n]=t.oldValues[r],o[n]!==i.getAttribute(n)&&a.addSubCommand(new ChangeElementCommand(i,o,n))}}return this.undoableChangeStack[e]=null,a}}]),e}(),history=Object.freeze({HistoryEventTypes:HistoryEventTypes,MoveElementCommand:MoveElementCommand,InsertElementCommand:InsertElementCommand,RemoveElementCommand:RemoveElementCommand,ChangeElementCommand:ChangeElementCommand,BatchCommand:BatchCommand,UndoManager:UndoManager}),NEAR_ZERO=1e-14,svg$1=document.createElementNS(NS.SVG,"svg"),transformPoint=function(e,t,n){return{x:n.a*e+n.c*t+n.e,y:n.b*e+n.d*t+n.f}},isIdentity=function(e){return 1===e.a&&0===e.b&&0===e.c&&1===e.d&&0===e.e&&0===e.f},matrixMultiply=function(){for(var e=arguments.length,t=Array(e),n=0;n<e;n++)t[n]=arguments[n];var a=t.reduceRight(function(e,t){return t.multiply(e)});return Math.abs(a.a)<NEAR_ZERO&&(a.a=0),Math.abs(a.b)<NEAR_ZERO&&(a.b=0),Math.abs(a.c)<NEAR_ZERO&&(a.c=0),Math.abs(a.d)<NEAR_ZERO&&(a.d=0),Math.abs(a.e)<NEAR_ZERO&&(a.e=0),Math.abs(a.f)<NEAR_ZERO&&(a.f=0),a},hasMatrixTransform=function(e){if(!e)return!1;for(var t=e.numberOfItems;t--;){var n=e.getItem(t);if(1===n.type&&!isIdentity(n.matrix))return!0}return!1},transformBox=function(e,t,n,a,r){var i=transformPoint(e,t,r),o=transformPoint(e+n,t,r),s=transformPoint(e,t+a,r),l=transformPoint(e+n,t+a,r),c=Math.min(i.x,o.x,s.x,l.x),u=Math.max(i.x,o.x,s.x,l.x),d=Math.min(i.y,o.y,s.y,l.y);return{tl:i,tr:o,bl:s,br:l,aabox:{x:c,y:d,width:u-c,height:Math.max(i.y,o.y,s.y,l.y)-d}}},transformListToTransform=function(e,t,n){if(null==e)return svg$1.createSVGTransformFromMatrix(svg$1.createSVGMatrix());if(t=t||0,n=n||e.numberOfItems-1,(t=parseInt(t,10))>(n=parseInt(n,10))){var a=n;n=t,t=a}for(var r=svg$1.createSVGMatrix(),i=t;i<=n;++i){var o=i>=0&&i<e.numberOfItems?e.getItem(i).matrix:svg$1.createSVGMatrix();r=matrixMultiply(r,o)}return svg$1.createSVGTransformFromMatrix(r)},getMatrix=function(e){var t=getTransformList(e);return transformListToTransform(t).matrix},snapToAngle=function(e,t,n,a){var r=Math.PI/4,i=n-e,o=a-t,s=Math.atan2(o,i),l=Math.sqrt(i*i+o*o),c=Math.round(s/r)*r;return{x:e+l*Math.cos(c),y:t+l*Math.sin(c),a:c}},rectsIntersect=function(e,t){return t.x<e.x+e.width&&t.x+t.width>e.x&&t.y<e.y+e.height&&t.y+t.height>e.y},$$1=jQuery,segData={2:["x","y"],4:["x","y"],6:["x","y","x1","y1","x2","y2"],8:["x","y","x1","y1"],10:["x","y","r1","r2","angle","largeArcFlag","sweepFlag"],12:["x"],14:["y"],16:["x","y","x2","y2"],18:["x","y"]},uiStrings={},setUiStrings=function(e){Object.assign(uiStrings,e.ui)},pathFuncs=[],linkControlPts=!0,pathData={},setLinkControlPoints=function(e){linkControlPts=e},path=null,editorContext_=null,init$1=function(e){editorContext_=e,pathFuncs=[0,"ClosePath"];$$1.each(["Moveto","Lineto","CurvetoCubic","CurvetoQuadratic","Arc","LinetoHorizontal","LinetoVertical","CurvetoCubicSmooth","CurvetoQuadraticSmooth"],function(e,t){pathFuncs.push(t+"Abs"),pathFuncs.push(t+"Rel")})},insertItemBefore=function(e,t,n){var a=e.pathSegList;if(supportsPathInsertItemBefore())a.insertItemBefore(t,n);else{for(var r=a.numberOfItems,i=[],o=0;o<r;o++){var s=a.getItem(o);i.push(s)}a.clear();for(var l=0;l<r;l++)l===n&&a.appendItem(t),a.appendItem(i[l])}},ptObjToArr=function(e,t){return segData[e].map(function(e){return t[e]})},getGripPt=function(e,t){var n=e.path,a={x:t?t.x:e.item.x,y:t?t.y:e.item.y};n.matrix&&(a=transformPoint(a.x,a.y,n.matrix));var r=editorContext_.getCurrentZoom();return a.x*=r,a.y*=r,a},getPointFromGrip=function(e,t){var n={x:e.x,y:e.y};t.matrix&&(e=transformPoint(n.x,n.y,t.imatrix),n.x=e.x,n.y=e.y);var a=editorContext_.getCurrentZoom();return n.x/=a,n.y/=a,n},addPointGrip=function(e,t,n){var a=getGripContainer(),r=getElem("pathpointgrip_"+e);if(!r){r=document.createElementNS(NS.SVG,"circle");var i={id:"pathpointgrip_"+e,display:"none",r:4,fill:"#0FF",stroke:"#00F","stroke-width":2,cursor:"move",style:"pointer-events:all"};"pathNodeTooltip"in uiStrings&&(i["xlink:title"]=uiStrings.pathNodeTooltip),assignAttributes(r,i),r=a.appendChild(r),$$1("#pathpointgrip_"+e).dblclick(function(){path&&path.setSegType()})}return t&&n&&assignAttributes(r,{cx:t,cy:n,display:"inline"}),r},getGripContainer=function(){var e=getElem("pathpointgrip_container");e||((e=getElem("selectorParentGroup").appendChild(document.createElementNS(NS.SVG,"g"))).id="pathpointgrip_container");return e},addCtrlGrip=function(e){var t=getElem("ctrlpointgrip_"+e);if(t)return t;t=document.createElementNS(NS.SVG,"circle");var n={id:"ctrlpointgrip_"+e,display:"none",r:4,fill:"#0FF",stroke:"#55F","stroke-width":1,cursor:"move",style:"pointer-events:all"};return"pathCtrlPtTooltip"in uiStrings&&(n["xlink:title"]=uiStrings.pathCtrlPtTooltip),assignAttributes(t,n),getGripContainer().append(t),t},getCtrlLine=function(e){var t=getElem("ctrlLine_"+e);return t||(t=document.createElementNS(NS.SVG,"line"),assignAttributes(t,{id:"ctrlLine_"+e,stroke:"#555","stroke-width":1,style:"pointer-events:none"}),getGripContainer().append(t),t)},getPointGrip=function(e,t){var n=e.index,a=addPointGrip(n);if(t){var r=getGripPt(e);assignAttributes(a,{cx:r.x,cy:r.y,display:"inline"})}return a},getControlPoints=function(e){var t=e.item,n=e.index;if(!("x1"in t&&"x2"in t))return null;var a={};getGripContainer();for(var r=[path.segs[n-1].item,t],i=1;i<3;i++){var o=n+"c"+i,s=a["c"+i+"_line"]=getCtrlLine(o),l=getGripPt(e,{x:t["x"+i],y:t["y"+i]}),c=getGripPt(e,{x:r[i-1].x,y:r[i-1].y});assignAttributes(s,{x1:l.x,y1:l.y,x2:c.x,y2:c.y,display:"inline"}),a["c"+i+"_line"]=s;var u=a["c"+i]=addCtrlGrip(o);assignAttributes(u,{cx:l.x,cy:l.y,display:"inline"}),a["c"+i]=u}return a},replacePathSeg=function(e,t,n,a){var r=a||path.elem,i=r["createSVGPathSeg"+pathFuncs[e]].apply(r,n);if(supportsPathReplaceItem())r.pathSegList.replaceItem(i,t);else{for(var o=r.pathSegList,s=o.numberOfItems,l=[],c=0;c<s;c++){var u=o.getItem(c);l.push(u)}o.clear();for(var d=0;d<s;d++)d===t?o.appendItem(i):o.appendItem(l[d])}},getSegSelector=function(e,t){var n=e.index,a=getElem("segline_"+n);if(!a){var r=getGripContainer();a=document.createElementNS(NS.SVG,"path"),assignAttributes(a,{id:"segline_"+n,display:"none",fill:"none",stroke:"#0FF","stroke-width":2,style:"pointer-events:none",d:"M0,0 0,0"}),r.append(a)}if(t){var i=e.prev;if(!i)return a.setAttribute("display","none"),a;var o=getGripPt(i);replacePathSeg(2,0,[o.x,o.y],a);for(var s=ptObjToArr(e.type,e.item),l=0;l<s.length;l+=2){var c=getGripPt(e,{x:s[l],y:s[l+1]});s[l]=c.x,s[l+1]=c.y}replacePathSeg(e.type,1,s,a)}return a},smoothControlPoints=function(e,t,n){var a=e.x-n.x,r=e.y-n.y,i=t.x-n.x,o=t.y-n.y;if(!(0===a&&0===r||0===i&&0===o)){var s=Math.sqrt(a*a+r*r),l=Math.sqrt(i*i+o*o),c=editorContext_.getSVGRoot().createSVGPoint(),u=editorContext_.getSVGRoot().createSVGPoint(),d=Math.atan2(r,a),h=Math.atan2(o,i);d<0&&(d+=2*Math.PI),h<0&&(h+=2*Math.PI);var g=Math.abs(d-h),p=Math.abs(Math.PI-g)/2,f=void 0,v=void 0;return d-h>0?(f=g<Math.PI?d+p:d-p,v=g<Math.PI?h-p:h+p):(f=g<Math.PI?d-p:d+p,v=g<Math.PI?h+p:h-p),c.x=s*Math.cos(f)+n.x,c.y=s*Math.sin(f)+n.y,u.x=l*Math.cos(v)+n.x,u.y=l*Math.sin(v)+n.y,[c,u]}},Segment=function(){function e(t,n){classCallCheck(this,e),this.selected=!1,this.index=t,this.item=n,this.type=n.pathSegType,this.ctrlpts=[],this.ptgrip=null,this.segsel=null}return createClass(e,[{key:"showCtrlPts",value:function(e){for(var t in this.ctrlpts)this.ctrlpts.hasOwnProperty(t)&&this.ctrlpts[t].setAttribute("display",e?"inline":"none")}},{key:"selectCtrls",value:function(e){$$1("#ctrlpointgrip_"+this.index+"c1, #ctrlpointgrip_"+this.index+"c2").attr("fill",e?"#0FF":"#EEE")}},{key:"show",value:function(e){this.ptgrip&&(this.ptgrip.setAttribute("display",e?"inline":"none"),this.segsel.setAttribute("display",e?"inline":"none"),this.showCtrlPts(e))}},{key:"select",value:function(e){this.ptgrip&&(this.ptgrip.setAttribute("stroke",e?"#0FF":"#00F"),this.segsel.setAttribute("display",e?"inline":"none"),this.ctrlpts&&this.selectCtrls(e),this.selected=e)}},{key:"addGrip",value:function(){this.ptgrip=getPointGrip(this,!0),this.ctrlpts=getControlPoints(this),this.segsel=getSegSelector(this,!0)}},{key:"update",value:function(e){if(this.ptgrip){var t=getGripPt(this);assignAttributes(this.ptgrip,{cx:t.x,cy:t.y}),getSegSelector(this,!0),this.ctrlpts&&(e&&(this.item=path.elem.pathSegList.getItem(this.index),this.type=this.item.pathSegType),getControlPoints(this))}}},{key:"move",value:function(e,t){var n=this.item,a=this.ctrlpts?[n.x+=e,n.y+=t,n.x1,n.y1,n.x2+=e,n.y2+=t]:[n.x+=e,n.y+=t];if(replacePathSeg(this.type,this.index,a),this.next&&this.next.ctrlpts){var r=this.next.item,i=[r.x,r.y,r.x1+=e,r.y1+=t,r.x2,r.y2];replacePathSeg(this.next.type,this.next.index,i)}if(this.mate){var o=this.mate.item,s=[o.x+=e,o.y+=t];replacePathSeg(this.mate.type,this.mate.index,s)}this.update(!0),this.next&&this.next.update(!0)}},{key:"setLinked",value:function(e){var t=void 0,n=void 0,a=void 0;if(2===e){if(n=1,!(t=this.next))return;a=this.item}else{if(n=2,!(t=this.prev))return;a=t.item}var r=t.item;r["x"+n]=a.x+(a.x-this.item["x"+e]),r["y"+n]=a.y+(a.y-this.item["y"+e]);var i=[r.x,r.y,r.x1,r.y1,r.x2,r.y2];replacePathSeg(t.type,t.index,i),t.update(!0)}},{key:"moveCtrl",value:function(e,t,n){var a=this.item;a["x"+e]+=t,a["y"+e]+=n;var r=[a.x,a.y,a.x1,a.y1,a.x2,a.y2];replacePathSeg(this.type,this.index,r),this.update(!0)}},{key:"setType",value:function(e,t){replacePathSeg(e,this.index,t),this.type=e,this.item=path.elem.pathSegList.getItem(this.index),this.showCtrlPts(6===e),this.ctrlpts=getControlPoints(this),this.update(!0)}}]),e}(),Path=function(){function e(t){if(classCallCheck(this,e),!t||"path"!==t.tagName)throw new Error("svgedit.path.Path constructed without a <path> element");this.elem=t,this.segs=[],this.selected_pts=[],path=this,this.init()}return createClass(e,[{key:"init",value:function(){$$1(getGripContainer()).find("*").each(function(){$$1(this).attr("display","none")});var e=this.elem.pathSegList,t=e.numberOfItems;this.segs=[],this.selected_pts=[],this.first_seg=null;for(var n=0;n<t;n++){var a=e.getItem(n),r=new Segment(n,a);r.path=this,this.segs.push(r)}for(var i=this.segs,o=null,s=0;s<t;s++){var l=i[s],c=s+1>=t?null:i[s+1],u=s-1<0?null:i[s-1];if(2===l.type){if(u&&1!==u.type){var d=i[o];d.next=i[o+1],d.next.prev=d,d.addGrip()}o=s}else if(c&&1===c.type)l.next=i[o+1],l.next.prev=l,l.mate=i[o],l.addGrip(),null==this.first_seg&&(this.first_seg=l);else if(c)1!==l.type&&(l.addGrip(),c&&2!==c.type&&(l.next=c,l.next.prev=l));else if(1!==l.type){var h=i[o];h.next=i[o+1],h.next.prev=h,h.addGrip(),l.addGrip(),this.first_seg||(this.first_seg=i[o])}}return this}},{key:"eachSeg",value:function(e){for(var t=this.segs.length,n=0;n<t;n++){if(!1===e.call(this.segs[n],n))break}}},{key:"addSeg",value:function(e){var t=this.segs[e];if(t.prev){var n=t.prev,a=void 0,r=void 0,i=void 0;switch(t.item.pathSegType){case 4:r=(t.item.x+n.item.x)/2,i=(t.item.y+n.item.y)/2,a=this.elem.createSVGPathSegLinetoAbs(r,i);break;case 6:var o=(n.item.x+t.item.x1)/2,s=(t.item.x1+t.item.x2)/2,l=(t.item.x2+t.item.x)/2,c=(o+s)/2,u=(s+l)/2;r=(c+u)/2;var d=(n.item.y+t.item.y1)/2,h=(t.item.y1+t.item.y2)/2,g=(t.item.y2+t.item.y)/2,p=(d+h)/2,f=(h+g)/2;i=(p+f)/2,a=this.elem.createSVGPathSegCurvetoCubicAbs(r,i,o,d,c,p);var v=[t.item.x,t.item.y,u,f,l,g];replacePathSeg(t.type,e,v)}insertItemBefore(this.elem,a,e)}}},{key:"deleteSeg",value:function(e){var t=this.segs[e],n=this.elem.pathSegList;t.show(!1);var a=t.next;if(t.mate){var r=[a.item.x,a.item.y];replacePathSeg(2,a.index,r),replacePathSeg(4,t.index,r),n.removeItem(t.mate.index)}else if(t.prev)n.removeItem(e);else{var i=[a.item.x,a.item.y];replacePathSeg(2,t.next.index,i),n.removeItem(e)}}},{key:"subpathIsClosed",value:function(e){var t=!1;return path.eachSeg(function(n){return n<=e||2!==this.type&&(1===this.type?(t=!0,!1):void 0)}),t}},{key:"removePtFromSelection",value:function(e){var t=this.selected_pts.indexOf(e);-1!==t&&(this.segs[e].select(!1),this.selected_pts.splice(t,1))}},{key:"clearSelection",value:function(){this.eachSeg(function(){this.select(!1)}),this.selected_pts=[]}},{key:"storeD",value:function(){this.last_d=this.elem.getAttribute("d")}},{key:"show",value:function(e){return this.eachSeg(function(){this.show(e)}),e&&this.selectPt(this.first_seg.index),this}},{key:"movePts",value:function(e,t){for(var n=this.selected_pts.length;n--;){this.segs[this.selected_pts[n]].move(e,t)}}},{key:"moveCtrl",value:function(e,t){var n=this.segs[this.selected_pts[0]];n.moveCtrl(this.dragctrl,e,t),linkControlPts&&n.setLinked(this.dragctrl)}},{key:"setSegType",value:function(e){this.storeD();for(var t=this.selected_pts.length,n=void 0;t--;){var a=this.selected_pts[t],r=this.segs[a],i=r.prev;if(i){if(!e)n="Toggle Path Segment Type",e=6===r.type?4:6;e=Number(e);var o=r.item.x,s=r.item.y,l=i.item.x,c=i.item.y,u=void 0;switch(e){case 6:if(r.olditem){var d=r.olditem;u=[o,s,d.x1,d.y1,d.x2,d.y2]}else{var h=o-l,g=s-c;u=[o,s,l+h/3,c+g/3,o-h/3,s-g/3]}break;case 4:u=[o,s],r.olditem=r.item}r.setType(e,u)}}path.endChanges(n)}},{key:"selectPt",value:function(e,t){this.clearSelection(),null==e&&this.eachSeg(function(t){this.prev&&(e=t)}),this.addPtsToSelection(e),t&&(this.dragctrl=t,linkControlPts&&this.segs[e].setLinked(t))}},{key:"update",value:function(){var e=this.elem;return getRotationAngle(e)?(this.matrix=getMatrix(e),this.imatrix=this.matrix.inverse()):(this.matrix=null,this.imatrix=null),this.eachSeg(function(t){this.item=e.pathSegList.getItem(t),this.update()}),this}},{key:"endChanges",value:function(e){isWebkit()&&editorContext_.resetD(this.elem);var t=new ChangeElementCommand(this.elem,{d:this.last_d},e);editorContext_.endChanges({cmd:t,elem:this.elem})}},{key:"addPtsToSelection",value:function(e){Array.isArray(e)||(e=[e]);for(var t=0;t<e.length;t++){var n=e[t];this.segs[n].ptgrip&&!this.selected_pts.includes(n)&&n>=0&&this.selected_pts.push(n)}this.selected_pts.sort();var a=this.selected_pts.length,r=[];for(r.length=a;a--;){var i=this.selected_pts[a],o=this.segs[i];o.select(!0),r[a]=o.ptgrip}var s=this.subpathIsClosed(this.selected_pts[0]);editorContext_.addPtsToSelection({grips:r,closedSubpath:s})}}]),e}(),getPath_=function(e){var t=pathData[e.id];return t||(t=pathData[e.id]=new Path(e)),t},removePath_=function(e){e in pathData&&delete pathData[e]},newcx=void 0,newcy=void 0,oldcx=void 0,oldcy=void 0,angle=void 0,getRotVals=function(e,t){var n=e-oldcx,a=t-oldcy,r=Math.sqrt(n*n+a*a),i=Math.atan2(a,n)+angle;return n=r*Math.cos(i)+oldcx,a=r*Math.sin(i)+oldcy,n-=newcx,a-=newcy,r=Math.sqrt(n*n+a*a),i=Math.atan2(a,n)-angle,{x:r*Math.cos(i)+newcx,y:r*Math.sin(i)+newcy}},recalcRotatedPath=function(){var e=path.elem;if(angle=getRotationAngle(e,!0)){var t=path.oldbbox;oldcx=t.x+t.width/2,oldcy=t.y+t.height/2;var n=getBBox(e);newcx=n.x+n.width/2,newcy=n.y+n.height/2;var a=newcx-oldcx,r=newcy-oldcy,i=Math.sqrt(a*a+r*r),o=Math.atan2(r,a)+angle;newcx=i*Math.cos(o)+oldcx,newcy=i*Math.sin(o)+oldcy;for(var s=e.pathSegList,l=s.numberOfItems;l;){l-=1;var c=s.getItem(l),u=c.pathSegType;if(1!==u){var d=getRotVals(c.x,c.y),h=[d.x,d.y];if(null!=c.x1&&null!=c.x2){var g=getRotVals(c.x1,c.y1),p=getRotVals(c.x2,c.y2);h.splice(h.length,0,g.x,g.y,p.x,p.y)}replacePathSeg(u,l,h)}}getBBox(e);var f=editorContext_.getSVGRoot().createSVGTransform(),v=getTransformList(e);f.setRotate(180*angle/Math.PI,newcx,newcy),v.replaceItem(f,0)}},clearData=function(){pathData={}},reorientGrads=function(e,t){for(var n=getBBox(e),a=0;a<2;a++){var r=0===a?"fill":"stroke",i=e.getAttribute(r);if(i&&i.startsWith("url(")){var o=getRefElem(i);if("linearGradient"===o.tagName){var s=o.getAttribute("x1")||0,l=o.getAttribute("y1")||0,c=o.getAttribute("x2")||1,u=o.getAttribute("y2")||0;s=n.width*s+n.x,l=n.height*l+n.y,c=n.width*c+n.x,u=n.height*u+n.y;var d=transformPoint(s,l,t),h=transformPoint(c,u,t),g={};g.x1=(d.x-n.x)/n.width,g.y1=(d.y-n.y)/n.height,g.x2=(h.x-n.x)/n.width,g.y2=(h.y-n.y)/n.height;var p=o.cloneNode(!0);$$1(p).attr(g),p.id=editorContext_.getNextId(),findDefs().append(p),e.setAttribute(r,"url(#"+p.id+")")}}}},pathMap=[0,"z","M","m","L","l","C","c","Q","q","A","a","H","h","V","v","S","s","T","t"],convertPath=function(e,t){for(var n=e.pathSegList,a=n.numberOfItems,r=0,i=0,o="",s=null,l=0;l<a;++l){var c=n.getItem(l),u=c.x||0,d=c.y||0,h=c.x1||0,g=c.y1||0,p=c.x2||0,f=c.y2||0,v=c.pathSegType,m=pathMap[v]["to"+(t?"Lower":"Upper")+"Case"]();switch(v){case 1:o+="z",s&&!t&&(r=s[0],i=s[1]);break;case 12:u-=r;case 13:t?(r+=u,m="l"):(r=u+=r,m="L"),o+=pathDSegment(m,[[u,i]]);break;case 14:d-=i;case 15:t?(i+=d,m="l"):(i=d+=i,m="L"),o+=pathDSegment(m,[[r,d]]);break;case 2:case 4:case 18:u-=r,d-=i;case 5:case 3:case 19:t?(r+=u,i+=d):(r=u+=r,i=d+=i),2!==v&&3!==v||(s=[r,i]),o+=pathDSegment(m,[[u,d]]);break;case 6:u-=r,h-=r,p-=r,d-=i,g-=i,f-=i;case 7:t?(r+=u,i+=d):(h+=r,p+=r,g+=i,f+=i,r=u+=r,i=d+=i),o+=pathDSegment(m,[[h,g],[p,f],[u,d]]);break;case 8:u-=r,h-=r,d-=i,g-=i;case 9:t?(r+=u,i+=d):(h+=r,g+=i,r=u+=r,i=d+=i),o+=pathDSegment(m,[[h,g],[u,d]]);break;case 10:u-=r,d-=i;case 11:t?(r+=u,i+=d):(r=u+=r,i=d+=i),o+=pathDSegment(m,[[c.r1,c.r2]],[c.angle,c.largeArcFlag?1:0,c.sweepFlag?1:0],[u,d]);break;case 16:u-=r,p-=r,d-=i,f-=i;case 17:t?(r+=u,i+=d):(p+=r,f+=i,r=u+=r,i=d+=i),o+=pathDSegment(m,[[p,f],[u,d]])}}return o};function pathDSegment(e,t,n,a){$$1.each(t,function(e,n){t[e]=shortFloat(n)});var r=e+t.join(" ");return n&&(r+=" "+n.join(" ")),a&&(r+=" "+shortFloat(a)),r}var pathActions=function(){var e=!1,t=void 0,n=void 0,a=null,r=!1;return{mouseDown:function(n,a,r,i){var o=void 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X=matrixMultiply(Y.inverse(),H.inverse(),O,B,V,H,W.inverse()),Q=n.createSVGTransform(),K=n.createSVGTransform(),Z=n.createSVGTransform();Q.setTranslate(W.e,W.f),K.setScale(X.a,X.d),Z.setTranslate(Y.e,Y.f),U.appendItem(Z),U.appendItem(K),U.appendItem(Q)}p.addSubCommand(e(D)),context_.setStartTransform(R)}}a.removeItem(G-1),a.removeItem(G-2),a.removeItem(G-3)}else if(G>=3&&1===a.getItem(G-1).type){I=3;var J=transformListToTransform(a).matrix,ee=n.createSVGTransform();ee.setMatrix(J),a.clear(),a.appendItem(ee)}else if((1===G||G>1&&3!==a.getItem(1).type)&&2===a.getItem(0).type){I=2;var te=transformListToTransform(a).matrix;a.removeItem(0);var ne=transformListToTransform(a).matrix.inverse(),ae=matrixMultiply(ne,te);if(N=ae.e,L=ae.f,0!==N||0!==L){for(var re=t.childNodes,ie=re.length,oe=[];ie--;){var se=re.item(ie);if(1===se.nodeType){if(se.getAttribute("clip-path")){var le=se.getAttribute("clip-path");oe.includes(le)||(updateClipPath(le,N,L),oe.push(le))}R=context_.getStartTransform(),context_.setStartTransform(se.getAttribute("transform"));var ce=getTransformList(se);if(ce){var ue=n.createSVGTransform();ue.setTranslate(N,L),ce.numberOfItems?ce.insertItemBefore(ue,0):ce.appendItem(ue),p.addSubCommand(e(se));for(var de=t.getElementsByTagNameNS(NS.SVG,"use"),he="#"+se.id,ge=de.length;ge--;){var pe=de.item(ge);if(he===getHref(pe)){var fe=n.createSVGTransform();fe.setTranslate(-N,-L),getTransformList(pe).insertItemBefore(fe,0),p.addSubCommand(e(pe))}}context_.setStartTransform(R)}}}context_.setStartTransform(R)}}else{if(1!==G||1!==a.getItem(0).type||$){if($){var ve=n.createSVGTransform();ve.setRotate($,S.x,S.y),a.numberOfItems?a.insertItemBefore(ve,0):a.appendItem(ve)}return 0===a.numberOfItems&&t.removeAttribute("transform"),null}I=1;for(var me=a.getItem(0).matrix,_e=t.childNodes,be=_e.length;be--;){var 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Ie=t.childNodes,Me=Ie.length;Me--;){var Re=Ie.item(Me);if(1===Re.nodeType){R=context_.getStartTransform(),context_.setStartTransform(Re.getAttribute("transform"));var Oe=getTransformList(Re),Be=n.createSVGTransform();Be.setTranslate(N,L),Oe.numberOfItems?Oe.insertItemBefore(Be,0):Oe.appendItem(Be),p.addSubCommand(e(Re)),context_.setStartTransform(R)}}$&&(a.numberOfItems?a.insertItemBefore(Te,0):a.appendItem(Te))}}else{var Ve=getBBox(t);if(!Ve&&"path"!==t.tagName)return null;var je=void 0,Fe=getRotationAngle(t);if(Fe){C={x:Ve.x+Ve.width/2,y:Ve.y+Ve.height/2},S=transformPoint(Ve.x+Ve.width/2,Ve.y+Ve.height/2,transformListToTransform(a).matrix);for(var De=Fe*Math.PI/180,Ue=Math.abs(De)>1e-10?Math.sin(De)/(1-Math.cos(De)):2/De,He=0;He<a.numberOfItems;++He){var ze=a.getItem(He);if(4===ze.type){var qe=ze.matrix;C.y=(Ue*qe.e+qe.f)/2,C.x=(qe.e-Ue*qe.f)/2,a.removeItem(He);break}}}var We=0,Ye=a.numberOfItems;if(!isWebkit()){var Xe=t.getAttribute("fill");if(Xe&&Xe.startsWith("url(")){var Qe=getRefElem(Xe),Ke="pattern";if(Qe.tagName!==Ke&&(Ke="gradient"),"userSpaceOnUse"===Qe.getAttribute(Ke+"Units")){je=transformListToTransform(a).matrix;var Ze=getTransformList(Qe),Je=transformListToTransform(Ze).matrix,et="matrix("+[(je=matrixMultiply(je,Je)).a,je.b,je.c,je.d,je.e,je.f].join(",")+")";Qe.setAttribute(Ke+"Transform",et)}}}if(Ye>=3&&3===a.getItem(Ye-2).type&&2===a.getItem(Ye-3).type&&2===a.getItem(Ye-1).type)We=3,je=transformListToTransform(a,Ye-3,Ye-1).matrix,a.removeItem(Ye-1),a.removeItem(Ye-2),a.removeItem(Ye-3);else if(4===Ye&&1===a.getItem(Ye-1).type){We=3,je=transformListToTransform(a).matrix;var tt=n.createSVGTransform();tt.setMatrix(je),a.clear(),a.appendItem(tt),je=n.createSVGMatrix()}else if((1===Ye||Ye>1&&3!==a.getItem(1).type)&&2===a.getItem(0).type){We=2;var nt=a.getItem(0).matrix,at=transformListToTransform(a,1).matrix,rt=at.inverse();je=matrixMultiply(rt,nt,at),a.removeItem(0)}else{if(1!==Ye||1!==a.getItem(0).type||Fe){if(Fe){var it=n.createSVGTransform();it.setRotate(Fe,S.x,S.y),a.numberOfItems?a.insertItemBefore(it,0):a.appendItem(it)}return 0===a.numberOfItems&&t.removeAttribute("transform"),null}switch(je=transformListToTransform(a).matrix,t.tagName){case"line":f=$$7(t).attr(["x1","y1","x2","y2"]);case"polyline":case"polygon":if(f.points=t.getAttribute("points"),f.points){var ot=t.points,st=ot.numberOfItems;f.points=new Array(st);for(var lt=0;lt<st;++lt){var ct=ot.getItem(lt);f.points[lt]={x:ct.x,y:ct.y}}}case"path":f.d=t.getAttribute("d"),We=1,a.clear()}}if(1!==We&&2!==We&&3!==We||remapElement(t,f,je),2===We){if(Fe){hasMatrixTransform(a)||(S={x:C.x+je.e,y:C.y+je.f});var ut=n.createSVGTransform();ut.setRotate(Fe,S.x,S.y),a.numberOfItems?a.insertItemBefore(ut,0):a.appendItem(ut)}if("text"===t.tagName)for(var dt=t.childNodes,ht=dt.length;ht--;){var gt=dt.item(ht);if("tspan"===gt.tagName){var pt={x:$$7(gt).attr("x")||0,y:$$7(gt).attr("y")||0};remapElement(gt,pt,je)}}}else if(3===We&&Fe){var 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selectorManager_.selectorGrips)selectorManager_.selectorGrips[t].setAttribute("style","cursor:"+n[r]+"-resize"),r++}},{key:"showGrips",value:function(e){var t=e?"inline":"none";selectorManager_.selectorGripsGroup.setAttribute("display",t);var n=this.selectedElement;this.hasGrips=e,n&&e&&(this.selectorGroup.append(selectorManager_.selectorGripsGroup),this.updateGripCursors(getRotationAngle(n)))}},{key:"resize",value:function(e){var t=this.selectorRect,n=selectorManager_,a=n.selectorGrips,r=this.selectedElement,i=r.getAttribute("stroke-width"),o=svgFactory_.getCurrentZoom(),s=1/o;"none"===r.getAttribute("stroke")||isNaN(i)||(s+=i/2);var l=r.tagName;"text"===l&&(s+=2/o);var c=getTransformList(r),u=transformListToTransform(c).matrix;if(u.e*=o,u.f*=o,e||(e=getBBox(r)),"g"===l&&!$$8.data(r,"gsvg")){var d=getStrokedBBox([r.childNodes]);d&&(e=d)}var h=e.x,g=e.y,p=e.width,f=e.height;s*=o;var v=transformBox(h*o,g*o,p*o,f*o,u),m=v.aabox,_=m.x-s,b=m.y-s,y=m.width+2*s,x=m.height+2*s,C=_+y/2,S=b+x/2,w=getRotationAngle(r);if(w){var $=svgFactory_.svgRoot().createSVGTransform();$.setRotate(-w,C,S);var k=$.matrix;v.tl=transformPoint(v.tl.x,v.tl.y,k),v.tr=transformPoint(v.tr.x,v.tr.y,k),v.bl=transformPoint(v.bl.x,v.bl.y,k),v.br=transformPoint(v.br.x,v.br.y,k);var A=v.tl,E=A.x,P=A.y,T=A.x,G=A.y,N=Math.min,L=Math.max;_=E=N(E,N(v.tr.x,N(v.bl.x,v.br.x)))-s,b=P=N(P,N(v.tr.y,N(v.bl.y,v.br.y)))-s,y=(T=L(T,L(v.tr.x,L(v.bl.x,v.br.x)))+s)-E,x=(G=L(G,L(v.tr.y,L(v.bl.y,v.br.y)))+s)-P}var I="M"+_+","+b+" L"+(_+y)+","+b+" "+(_+y)+","+(b+x)+" "+_+","+(b+x)+"z";t.setAttribute("d",I);var M=w?"rotate("+[w,C,S].join(",")+")":"";for(var R in this.selectorGroup.setAttribute("transform",M),this.gripCoords={nw:[_,b],ne:[_+y,b],sw:[_,b+x],se:[_+y,b+x],n:[_+y/2,b],w:[_,b+x/2],e:[_+y,b+x/2],s:[_+y/2,b+x]},this.gripCoords){var 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t=svgCanvas.importSvgString(e.target.result,!0);svgCanvas.ungroupSelectedElement(),svgCanvas.ungroupSelectedElement(),svgCanvas.groupSelectedElements(),svgCanvas.alignSelectedElements("m","page"),svgCanvas.alignSelectedElements("c","page"),svgCanvas.selectOnly([t]),$$b("#dialog_box").hide()},n.readAsText(t)):((n=new FileReader).onloadend=function(e){var t=e.target.result,n=100,a=100,r=new Image;r.style.opacity=0,r.onload=function(){var e,i,o;n=r.offsetWidth||r.naturalWidth||r.width,a=r.offsetHeight||r.naturalHeight||r.height,e=n,i=a,o=svgCanvas.addSVGElementFromJson({element:"image",attr:{x:0,y:0,width:e,height:i,id:svgCanvas.getNextId(),style:"pointer-events:inherit"}}),svgCanvas.setHref(o,t),svgCanvas.selectOnly([o]),svgCanvas.alignSelectedElements("m","page"),svgCanvas.alignSelectedElements("c","page"),U(),$$b("#dialog_box").hide()},r.src=t},n.readAsDataURL(t))}}else $$b("#dialog_box").hide()};h[0].addEventListener("dragenter",function(e){e.stopPropagation(),e.preventDefault()},!1),h[0].addEventListener("dragover",function(e){e.stopPropagation(),e.preventDefault()},!1),h[0].addEventListener("dragleave",function(e){e.stopPropagation(),e.preventDefault()},!1),h[0].addEventListener("drop",Xt,!1);var Qt=$$b('<input type="file">').click(function(){var e=this;editor.openPrep(function(t){if(t&&(svgCanvas.clear(),1===e.files.length)){$$b.process_cancel(uiStrings$1.notification.loadingImage);var n=new FileReader;n.onloadend=function(e){loadSvgString(e.target.result),F()},n.readAsText(e.files[0])}})});$$b("#tool_open").show().prepend(Qt);var Kt=$$b('<input type="file">').change(Xt);$$b("#tool_import").show().prepend(Kt)}F(!0);var Zt=editor.setLang=function(e,t){if(editor.langChanged=!0,$$b.pref("lang",e),$$b("#lang_select").val(e),t){$$b.extend(uiStrings$1,t);var n=$$b("#layerlist tr.layersel td.layername").text()===uiStrings$1.common.layer+" 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t=!1,n=e.match(/^data:image\/svg\+xml;base64,/);n?t=!0:n=e.match(/^data:image\/svg\+xml(?:;(?:utf8)?)?,/),n&&(n=n[0]);var a=e.slice(n.length);loadSvgString(t?decode64(a):decodeURIComponent(a))})},editor.addExtension=function(e,t,n){if(!svgCanvas)throw new Error("Extension added too early");return svgCanvas.addExtension.call(this,e,t,n)},editor.ready(function(){injectExtendedContextMenuItemsIntoDom()});var extensionsAdded=!1,messageQueue=[],messageListener=function(e){var t={data:e.data,origin:e.origin};extensionsAdded?svgCanvas.call("message",t):messageQueue.push(t)};window.addEventListener("message",messageListener),Promise.resolve().then(function(){editor.init()});export default editor;
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e(t){_classCallCheck(this,e),this._pathElement=t,this._list=this._parsePath(this._pathElement.getAttribute("d")),this._mutationObserverConfig={attributes:!0,attributeFilter:["d"]},this._pathElementMutationObserver=new MutationObserver(this._updateListFromPathMutations.bind(this)),this._pathElementMutationObserver.observe(this._pathElement,this._mutationObserverConfig)}return _createClass(e,[{key:"_checkPathSynchronizedToList",value:function(){this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords())}},{key:"_updateListFromPathMutations",value:function(e){if(this._pathElement){var t=!1;e.forEach(function(e){"d"===e.attributeName&&(t=!0)}),t&&(this._list=this._parsePath(this._pathElement.getAttribute("d")))}}},{key:"_writeListToPath",value:function(){this._pathElementMutationObserver.disconnect(),this._pathElement.setAttribute("d",e._pathSegArrayAsString(this._list)),this._pathElementMutationObserver.observe(this._pathElement,this._mutationObserverConfig)}},{key:"segmentChanged",value:function(e){this._writeListToPath()}},{key:"clear",value:function(){this._checkPathSynchronizedToList(),this._list.forEach(function(e){e._owningPathSegList=null}),this._list=[],this._writeListToPath()}},{key:"initialize",value:function(e){return this._checkPathSynchronizedToList(),this._list=[e],e._owningPathSegList=this,this._writeListToPath(),e}},{key:"_checkValidIndex",value:function(e){if(isNaN(e)||e<0||e>=this.numberOfItems)throw new Error("INDEX_SIZE_ERR")}},{key:"getItem",value:function(e){return this._checkPathSynchronizedToList(),this._checkValidIndex(e),this._list[e]}},{key:"insertItemBefore",value:function(e,t){return this._checkPathSynchronizedToList(),t>this.numberOfItems&&(t=this.numberOfItems),e._owningPathSegList&&(e=e.clone()),this._list.splice(t,0,e),e._owningPathSegList=this,this._writeListToPath(),e}},{key:"replaceItem",value:function(e,t){return this._checkPathSynchronizedToList(),e._owningPathSegList&&(e=e.clone()),this._checkValidIndex(t),this._list[t]=e,e._owningPathSegList=this,this._writeListToPath(),e}},{key:"removeItem",value:function(e){this._checkPathSynchronizedToList(),this._checkValidIndex(e);var t=this._list[e];return this._list.splice(e,1),this._writeListToPath(),t}},{key:"appendItem",value:function(e){return this._checkPathSynchronizedToList(),e._owningPathSegList&&(e=e.clone()),this._list.push(e),e._owningPathSegList=this,this._writeListToPath(),e}},{key:"_parsePath",value:function(e){if(!e||!e.length)return[];var t=this,n=function(){function e(){_classCallCheck(this,e),this.pathSegList=[]}return _createClass(e,[{key:"appendSegment",value:function(e){this.pathSegList.push(e)}}]),e}(),a=function(){function e(t){_classCallCheck(this,e),this._string=t,this._currentIndex=0,this._endIndex=this._string.length,this._previousCommand=SVGPathSeg.PATHSEG_UNKNOWN,this._skipOptionalSpaces()}return _createClass(e,[{key:"_isCurrentSpace",value:function(){var e=this._string[this._currentIndex];return e<=" "&&(" "===e||"\n"===e||"\t"===e||"\r"===e||"\f"===e)}},{key:"_skipOptionalSpaces",value:function(){for(;this._currentIndex<this._endIndex&&this._isCurrentSpace();)this._currentIndex++;return this._currentIndex<this._endIndex}},{key:"_skipOptionalSpacesOrDelimiter",value:function(){return!(this._currentIndex<this._endIndex&&!this._isCurrentSpace()&&","!==this._string.charAt(this._currentIndex))&&(this._skipOptionalSpaces()&&this._currentIndex<this._endIndex&&","===this._string.charAt(this._currentIndex)&&(this._currentIndex++,this._skipOptionalSpaces()),this._currentIndex<this._endIndex)}},{key:"hasMoreData",value:function(){return this._currentIndex<this._endIndex}},{key:"peekSegmentType",value:function(){var e=this._string[this._currentIndex];return this._pathSegTypeFromChar(e)}},{key:"_pathSegTypeFromChar",value:function(e){switch(e){case"Z":case"z":return SVGPathSeg.PATHSEG_CLOSEPATH;case"M":return SVGPathSeg.PATHSEG_MOVETO_ABS;case"m":return SVGPathSeg.PATHSEG_MOVETO_REL;case"L":return SVGPathSeg.PATHSEG_LINETO_ABS;case"l":return SVGPathSeg.PATHSEG_LINETO_REL;case"C":return SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;case"c":return SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;case"Q":return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;case"q":return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;case"A":return SVGPathSeg.PATHSEG_ARC_ABS;case"a":return SVGPathSeg.PATHSEG_ARC_REL;case"H":return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;case"h":return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;case"V":return SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;case"v":return SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;case"S":return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;case"s":return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;case"T":return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;case"t":return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;default:return SVGPathSeg.PATHSEG_UNKNOWN}}},{key:"_nextCommandHelper",value:function(e,t){return("+"===e||"-"===e||"."===e||e>="0"&&e<="9")&&t!==SVGPathSeg.PATHSEG_CLOSEPATH?t===SVGPathSeg.PATHSEG_MOVETO_ABS?SVGPathSeg.PATHSEG_LINETO_ABS:t===SVGPathSeg.PATHSEG_MOVETO_REL?SVGPathSeg.PATHSEG_LINETO_REL:t:SVGPathSeg.PATHSEG_UNKNOWN}},{key:"initialCommandIsMoveTo",value:function(){if(!this.hasMoreData())return!0;var e=this.peekSegmentType();return e===SVGPathSeg.PATHSEG_MOVETO_ABS||e===SVGPathSeg.PATHSEG_MOVETO_REL}},{key:"_parseNumber",value:function(){var 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u=t+a;if(u*=r,e&&(u*=Math.pow(10,i*e)),o!==this._currentIndex)return this._skipOptionalSpacesOrDelimiter(),u}}},{key:"_parseArcFlag",value:function(){if(!(this._currentIndex>=this._endIndex)){var e=!1,t=this._string.charAt(this._currentIndex++);if("0"===t)e=!1;else{if("1"!==t)return;e=!0}return this._skipOptionalSpacesOrDelimiter(),e}}},{key:"parseSegment",value:function(){var e=this._string[this._currentIndex],n=this._pathSegTypeFromChar(e);if(n===SVGPathSeg.PATHSEG_UNKNOWN){if(this._previousCommand===SVGPathSeg.PATHSEG_UNKNOWN)return null;if((n=this._nextCommandHelper(e,this._previousCommand))===SVGPathSeg.PATHSEG_UNKNOWN)return null}else this._currentIndex++;switch(this._previousCommand=n,n){case SVGPathSeg.PATHSEG_MOVETO_REL:return new SVGPathSegMovetoRel(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_MOVETO_ABS:return new SVGPathSegMovetoAbs(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_REL:return new SVGPathSegLinetoRel(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_ABS:return new SVGPathSegLinetoAbs(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:return new SVGPathSegLinetoHorizontalRel(t,this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:return new SVGPathSegLinetoHorizontalAbs(t,this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:return new SVGPathSegLinetoVerticalRel(t,this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:return new SVGPathSegLinetoVerticalAbs(t,this._parseNumber());case SVGPathSeg.PATHSEG_CLOSEPATH:return this._skipOptionalSpaces(),new SVGPathSegClosePath(t);case SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:var a={x1:this._parseNumber(),y1:this._parseNumber(),x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()};return new SVGPathSegCurvetoCubicRel(t,a.x,a.y,a.x1,a.y1,a.x2,a.y2);case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:var 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SVGPathSegCurvetoQuadraticAbs(t,l.x,l.y,l.x1,l.y1);case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:return new SVGPathSegCurvetoQuadraticSmoothRel(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:return new SVGPathSegCurvetoQuadraticSmoothAbs(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_ARC_REL:var c={x1:this._parseNumber(),y1:this._parseNumber(),arcAngle:this._parseNumber(),arcLarge:this._parseArcFlag(),arcSweep:this._parseArcFlag(),x:this._parseNumber(),y:this._parseNumber()};return new SVGPathSegArcRel(t,c.x,c.y,c.x1,c.y1,c.arcAngle,c.arcLarge,c.arcSweep);case SVGPathSeg.PATHSEG_ARC_ABS:var u={x1:this._parseNumber(),y1:this._parseNumber(),arcAngle:this._parseNumber(),arcLarge:this._parseArcFlag(),arcSweep:this._parseArcFlag(),x:this._parseNumber(),y:this._parseNumber()};return new SVGPathSegArcAbs(t,u.x,u.y,u.x1,u.y1,u.arcAngle,u.arcLarge,u.arcSweep);default:throw new Error("Unknown path seg 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supportsNonScalingStroke_},supportsNativeTransformLists=function(){return supportsNativeSVGTransformLists_};function jqPluginSVG(e){var t=e.fn.attr;return e.fn.attr=function(e,n){var a=this.length;if(!a)return t.apply(this,arguments);for(var r=0;r<a;++r){var i=this[r];if("http://www.w3.org/2000/svg"!==i.namespaceURI)return t.apply(this,arguments);if(void 0!==n)i.setAttribute(e,n);else if(Array.isArray(e)){for(var o={},s=e.length;s--;){var l=e[s],c=i.getAttribute(l);(c||"0"===c)&&(c=isNaN(c)?c:c-0),o[l]=c}return o}if("object"!==_typeof(e)){var u=i.getAttribute(e);return(u||"0"===u)&&(u=isNaN(u)?u:u-0),u}for(var d=Object.entries(e),h=0;h<d.length;h++){var g=_slicedToArray(d[h],2),p=g[0],f=g[1];i.setAttribute(p,f)}}return this},e}var svgroot=document.createElementNS(NS.SVG,"svg");function transformToString(e){var t=e.matrix,n="";switch(e.type){case 1:n="matrix("+[t.a,t.b,t.c,t.d,t.e,t.f].join(",")+")";break;case 2:n="translate("+t.e+","+t.f+")";break;case 3:n=t.a===t.d?"scale("+t.a+")":"scale("+t.a+","+t.d+")";break;case 4:var a=0,r=0;if(0!==e.angle){var i=1-t.a;r=(i*t.f+t.b*t.e)/(i*i+t.b*t.b),a=(t.e-t.b*r)/i}n="rotate("+e.angle+" "+a+","+r+")"}return n}var elementContainer_,listMap_={},SVGTransformList=function(){function e(t){_classCallCheck(this,e),this._elem=t||null,this._xforms=[],this._update=function(){for(var e="",t=0;t<this.numberOfItems;++t){e+=transformToString(this._list.getItem(t))+" "}this._elem.setAttribute("transform",e)},this._list=this,this._init=function(){var e=this,t=this._elem.getAttribute("transform");if(t)for(var n=/\s*((scale|matrix|rotate|translate)\s*\(.*?\))\s*,?\s*/,a=!0;a;)a=t.match(n),t=t.replace(n,""),a&&a[1]&&function(){var t=a[1].split(/\s*\(/),n=t[0],r=t[1].match(/\s*(.*?)\s*\)/);r[1]=r[1].replace(/(\d)-/g,"$1 -");var i=r[1].split(/[, ]+/),o="abcdef".split(""),s=svgroot.createSVGMatrix();Object.values(i).forEach(function(e,t){i[t]=parseFloat(e),"matrix"===n&&(s[o[t]]=i[t])});var l=svgroot.createSVGTransform(),c="set"+n.charAt(0).toUpperCase()+n.slice(1),u="matrix"===n?[s]:i;"scale"===n&&1===u.length?u.push(u[0]):"translate"===n&&1===u.length?u.push(0):"rotate"===n&&1===u.length&&u.push(0,0),l[c].apply(l,u),e._list.appendItem(l)}()},this._removeFromOtherLists=function(e){if(e){var t=!1;for(var n in listMap_){for(var a=listMap_[n],r=0,i=a._xforms.length;r<i;++r)if(a._xforms[r]===e){t=!0,a.removeItem(r);break}if(t)break}}},this.numberOfItems=0}return _createClass(e,[{key:"clear",value:function(){this.numberOfItems=0,this._xforms=[]}},{key:"initialize",value:function(e){this.numberOfItems=1,this._removeFromOtherLists(e),this._xforms=[e]}},{key:"getItem",value:function(e){if(e<this.numberOfItems&&e>=0)return this._xforms[e];var t=new Error("DOMException with code=INDEX_SIZE_ERR");throw t.code=1,t}},{key:"insertItemBefore",value:function(e,t){var n=null;if(t>=0)if(t<this.numberOfItems){this._removeFromOtherLists(e);var a,r=new Array(this.numberOfItems+1);for(a=0;a<t;++a)r[a]=this._xforms[a];r[a]=e;for(var i=a+1;a<this.numberOfItems;++i,++a)r[i]=this._xforms[a];this.numberOfItems++,this._xforms=r,n=e,this._list._update()}else n=this._list.appendItem(e);return n}},{key:"replaceItem",value:function(e,t){var n=null;return t<this.numberOfItems&&t>=0&&(this._removeFromOtherLists(e),this._xforms[t]=e,n=e,this._list._update()),n}},{key:"removeItem",value:function(e){if(e<this.numberOfItems&&e>=0){var t,n=this._xforms[e],a=new Array(this.numberOfItems-1);for(t=0;t<e;++t)a[t]=this._xforms[t];for(var r=t;r<this.numberOfItems-1;++r,++t)a[r]=this._xforms[t+1];return this.numberOfItems--,this._xforms=a,this._list._update(),n}var i=new Error("DOMException with code=INDEX_SIZE_ERR");throw i.code=1,i}},{key:"appendItem",value:function(e){return this._removeFromOtherLists(e),this._xforms.push(e),this.numberOfItems++,this._list._update(),e}}]),e}(),resetListMap=function(){listMap_={}},removeElementFromListMap=function(e){e.id&&listMap_[e.id]&&delete listMap_[e.id]},getTransformList=function(e){if(!supportsNativeTransformLists()){var t=e.id||"temp",n=listMap_[t];return n&&"temp"!==t||(listMap_[t]=new SVGTransformList(e),listMap_[t]._init(),n=listMap_[t]),n}return e.transform?e.transform.baseVal:e.gradientTransform?e.gradientTransform.baseVal:e.patternTransform?e.patternTransform.baseVal:null},wAttrs=["x","x1","cx","rx","width"],hAttrs=["y","y1","cy","ry","height"],unitAttrs=["r","radius"].concat(wAttrs,hAttrs),typeMap_={},init=function(e){elementContainer_=e;var t=document.createElementNS(NS.SVG,"svg");document.body.append(t);var n=document.createElementNS(NS.SVG,"rect");n.setAttribute("width","1em"),n.setAttribute("height","1ex"),n.setAttribute("x","1in"),t.append(n);var a=n.getBBox();t.remove();var r=a.x;typeMap_={em:a.width,ex:a.height,in:r,cm:r/2.54,mm:r/25.4,pt:r/72,pc:r/6,px:1,"%":0}},getTypeMap=function(){return typeMap_},shortFloat=function e(t){var n=elementContainer_.getRoundDigits();return isNaN(t)?Array.isArray(t)?e(t[0])+","+e(t[1]):parseFloat(t).toFixed(n)-0:+(+t).toFixed(n)},convertUnit=function(e,t){return t=t||elementContainer_.getBaseUnit(),shortFloat(e/typeMap_[t])},setUnitAttr=function(e,t,n){e.setAttribute(t,n)},convertToNum=function(e,t){if(!isNaN(t))return t-0;if("%"===t.substr(-1)){var n=t.substr(0,t.length-1)/100,a=elementContainer_.getWidth(),r=elementContainer_.getHeight();return wAttrs.includes(e)?n*a:hAttrs.includes(e)?n*r:n*Math.sqrt(a*a+r*r)/Math.sqrt(2)}var i=t.substr(-2);return t.substr(0,t.length-2)*typeMap_[i]},isValidUnit=function(e,t,n){if(unitAttrs.includes(e))return!isNaN(t)||(t=t.toLowerCase(),Object.keys(typeMap_).some(function(e){return new RegExp("^-?[\\d\\.]+"+e+"$").test(t)}));if("id"===e){var a=!1;try{var r=elementContainer_.getElement(t);a=null==r||r===n}catch(e){}return a}return!0},HistoryEventTypes={BEFORE_APPLY:"before_apply",AFTER_APPLY:"after_apply",BEFORE_UNAPPLY:"before_unapply",AFTER_UNAPPLY:"after_unapply"},Command=function(){function e(){_classCallCheck(this,e)}return _createClass(e,[{key:"getText",value:function(){return this.text}}]),e}(),MoveElementCommand=function(e){function t(e,n,a,r){var i;return _classCallCheck(this,t),(i=_possibleConstructorReturn(this,_getPrototypeOf(t).call(this))).elem=e,i.text=r?"Move "+e.tagName+" to "+r:"Move "+e.tagName,i.oldNextSibling=n,i.oldParent=a,i.newNextSibling=e.nextSibling,i.newParent=e.parentNode,i}return _inherits(t,Command),_createClass(t,[{key:"type",value:function(){return"svgedit.history.MoveElementCommand"}},{key:"apply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY,this),this.elem=this.newParent.insertBefore(this.elem,this.newNextSibling),e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY,this)}},{key:"unapply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY,this),this.elem=this.oldParent.insertBefore(this.elem,this.oldNextSibling),e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY,this)}},{key:"elements",value:function(){return[this.elem]}}]),t}();MoveElementCommand.type=MoveElementCommand.prototype.type;var InsertElementCommand=function(e){function t(e,n){var a;return _classCallCheck(this,t),(a=_possibleConstructorReturn(this,_getPrototypeOf(t).call(this))).elem=e,a.text=n||"Create "+e.tagName,a.parent=e.parentNode,a.nextSibling=a.elem.nextSibling,a}return _inherits(t,Command),_createClass(t,[{key:"type",value:function(){return"svgedit.history.InsertElementCommand"}},{key:"apply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY,this),this.elem=this.parent.insertBefore(this.elem,this.nextSibling),e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY,this)}},{key:"unapply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY,this),this.parent=this.elem.parentNode,this.elem=this.elem.parentNode.removeChild(this.elem),e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY,this)}},{key:"elements",value:function(){return[this.elem]}}]),t}();InsertElementCommand.type=InsertElementCommand.prototype.type;var RemoveElementCommand=function(e){function t(e,n,a,r){var i;return _classCallCheck(this,t),(i=_possibleConstructorReturn(this,_getPrototypeOf(t).call(this))).elem=e,i.text=r||"Delete "+e.tagName,i.nextSibling=n,i.parent=a,removeElementFromListMap(e),i}return _inherits(t,Command),_createClass(t,[{key:"type",value:function(){return"svgedit.history.RemoveElementCommand"}},{key:"apply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY,this),removeElementFromListMap(this.elem),this.parent=this.elem.parentNode,this.elem=this.parent.removeChild(this.elem),e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY,this)}},{key:"unapply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY,this),removeElementFromListMap(this.elem),null==this.nextSibling&&window.console&&console.log("Error: reference element was lost"),this.parent.insertBefore(this.elem,this.nextSibling),e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY,this)}},{key:"elements",value:function(){return[this.elem]}}]),t}();RemoveElementCommand.type=RemoveElementCommand.prototype.type;var ChangeElementCommand=function(e){function t(e,n,a){var r;for(var i in _classCallCheck(this,t),(r=_possibleConstructorReturn(this,_getPrototypeOf(t).call(this))).elem=e,r.text=a?"Change "+e.tagName+" "+a:"Change "+e.tagName,r.newValues={},r.oldValues=n,n)r.newValues[i]="#text"===i?e.textContent:"#href"===i?getHref(e):e.getAttribute(i);return r}return _inherits(t,Command),_createClass(t,[{key:"type",value:function(){return"svgedit.history.ChangeElementCommand"}},{key:"apply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY,this);var t=!1;for(var n in this.newValues)this.newValues[n]?"#text"===n?this.elem.textContent=this.newValues[n]:"#href"===n?setHref(this.elem,this.newValues[n]):this.elem.setAttribute(n,this.newValues[n]):"#text"===n?this.elem.textContent="":(this.elem.setAttribute(n,""),this.elem.removeAttribute(n)),"transform"===n&&(t=!0);if(!t){var a=getRotationAngle(this.elem);if(a){var r=this.elem.getBBox(),i=["rotate(",a," ",r.x+r.width/2,",",r.y+r.height/2,")"].join("");i!==this.elem.getAttribute("transform")&&this.elem.setAttribute("transform",i)}}return e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY,this),!0}},{key:"unapply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY,this);var t=!1;for(var n in this.oldValues)this.oldValues[n]?"#text"===n?this.elem.textContent=this.oldValues[n]:"#href"===n?setHref(this.elem,this.oldValues[n]):this.elem.setAttribute(n,this.oldValues[n]):"#text"===n?this.elem.textContent="":this.elem.removeAttribute(n),"transform"===n&&(t=!0);if(!t){var a=getRotationAngle(this.elem);if(a){var r=this.elem.getBBox(),i=["rotate(",a," ",r.x+r.width/2,",",r.y+r.height/2,")"].join("");i!==this.elem.getAttribute("transform")&&this.elem.setAttribute("transform",i)}}return removeElementFromListMap(this.elem),e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY,this),!0}},{key:"elements",value:function(){return[this.elem]}}]),t}();ChangeElementCommand.type=ChangeElementCommand.prototype.type;var BatchCommand=function(e){function t(e){var n;return _classCallCheck(this,t),(n=_possibleConstructorReturn(this,_getPrototypeOf(t).call(this))).text=e||"Batch Command",n.stack=[],n}return _inherits(t,Command),_createClass(t,[{key:"type",value:function(){return"svgedit.history.BatchCommand"}},{key:"apply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY,this);for(var t=this.stack.length,n=0;n<t;++n)this.stack[n].apply(e);e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY,this)}},{key:"unapply",value:function(e){e&&e.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY,this);for(var t=this.stack.length-1;t>=0;t--)this.stack[t].unapply(e);e&&e.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY,this)}},{key:"elements",value:function(){for(var e=[],t=this.stack.length;t--;)for(var n=this.stack[t].elements(),a=n.length;a--;)e.includes(n[a])||e.push(n[a]);return e}},{key:"addSubCommand",value:function(e){this.stack.push(e)}},{key:"isEmpty",value:function(){return!this.stack.length}}]),t}();BatchCommand.type=BatchCommand.prototype.type;var newcx,newcy,oldcx,oldcy,angle,UndoManager=function(){function e(t){_classCallCheck(this,e),this.handler_=t||null,this.undoStackPointer=0,this.undoStack=[],this.undoChangeStackPointer=-1,this.undoableChangeStack=[]}return _createClass(e,[{key:"resetUndoStack",value:function(){this.undoStack=[],this.undoStackPointer=0}},{key:"getUndoStackSize",value:function(){return this.undoStackPointer}},{key:"getRedoStackSize",value:function(){return this.undoStack.length-this.undoStackPointer}},{key:"getNextUndoCommandText",value:function(){return this.undoStackPointer>0?this.undoStack[this.undoStackPointer-1].getText():""}},{key:"getNextRedoCommandText",value:function(){return this.undoStackPointer<this.undoStack.length?this.undoStack[this.undoStackPointer].getText():""}},{key:"undo",value:function(){this.undoStackPointer>0&&this.undoStack[--this.undoStackPointer].unapply(this.handler_)}},{key:"redo",value:function(){this.undoStackPointer<this.undoStack.length&&this.undoStack.length>0&&this.undoStack[this.undoStackPointer++].apply(this.handler_)}},{key:"addCommandToHistory",value:function(e){this.undoStackPointer<this.undoStack.length&&this.undoStack.length>0&&(this.undoStack=this.undoStack.splice(0,this.undoStackPointer)),this.undoStack.push(e),this.undoStackPointer=this.undoStack.length}},{key:"beginUndoableChange",value:function(e,t){for(var n=++this.undoChangeStackPointer,a=t.length,r=new Array(a),i=new Array(a);a--;){var o=t[a];null!=o&&(i[a]=o,r[a]=o.getAttribute(e))}this.undoableChangeStack[n]={attrName:e,oldValues:r,elements:i}}},{key:"finishUndoableChange",value:function(){for(var e=this.undoChangeStackPointer--,t=this.undoableChangeStack[e],n=t.attrName,a=new BatchCommand("Change "+n),r=t.elements.length;r--;){var i=t.elements[r];if(null!=i){var o={};o[n]=t.oldValues[r],o[n]!==i.getAttribute(n)&&a.addSubCommand(new ChangeElementCommand(i,o,n))}}return this.undoableChangeStack[e]=null,a}}]),e}(),history=Object.freeze({HistoryEventTypes:HistoryEventTypes,MoveElementCommand:MoveElementCommand,InsertElementCommand:InsertElementCommand,RemoveElementCommand:RemoveElementCommand,ChangeElementCommand:ChangeElementCommand,BatchCommand:BatchCommand,UndoManager:UndoManager}),NEAR_ZERO=1e-14,svg$1=document.createElementNS(NS.SVG,"svg"),transformPoint=function(e,t,n){return{x:n.a*e+n.c*t+n.e,y:n.b*e+n.d*t+n.f}},isIdentity=function(e){return 1===e.a&&0===e.b&&0===e.c&&1===e.d&&0===e.e&&0===e.f},matrixMultiply=function(){for(var e=arguments.length,t=new Array(e),n=0;n<e;n++)t[n]=arguments[n];var a=t.reduceRight(function(e,t){return t.multiply(e)});return Math.abs(a.a)<NEAR_ZERO&&(a.a=0),Math.abs(a.b)<NEAR_ZERO&&(a.b=0),Math.abs(a.c)<NEAR_ZERO&&(a.c=0),Math.abs(a.d)<NEAR_ZERO&&(a.d=0),Math.abs(a.e)<NEAR_ZERO&&(a.e=0),Math.abs(a.f)<NEAR_ZERO&&(a.f=0),a},hasMatrixTransform=function(e){if(!e)return!1;for(var t=e.numberOfItems;t--;){var n=e.getItem(t);if(1===n.type&&!isIdentity(n.matrix))return!0}return!1},transformBox=function(e,t,n,a,r){var i=transformPoint(e,t,r),o=transformPoint(e+n,t,r),s=transformPoint(e,t+a,r),l=transformPoint(e+n,t+a,r),c=Math.min(i.x,o.x,s.x,l.x),u=Math.max(i.x,o.x,s.x,l.x),d=Math.min(i.y,o.y,s.y,l.y);return{tl:i,tr:o,bl:s,br:l,aabox:{x:c,y:d,width:u-c,height:Math.max(i.y,o.y,s.y,l.y)-d}}},transformListToTransform=function(e,t,n){if(null==e)return svg$1.createSVGTransformFromMatrix(svg$1.createSVGMatrix());if(t=t||0,n=n||e.numberOfItems-1,(t=parseInt(t,10))>(n=parseInt(n,10))){var a=n;n=t,t=a}for(var r=svg$1.createSVGMatrix(),i=t;i<=n;++i){var o=i>=0&&i<e.numberOfItems?e.getItem(i).matrix:svg$1.createSVGMatrix();r=matrixMultiply(r,o)}return svg$1.createSVGTransformFromMatrix(r)},getMatrix=function(e){var t=getTransformList(e);return transformListToTransform(t).matrix},snapToAngle=function(e,t,n,a){var r=Math.PI/4,i=n-e,o=a-t,s=Math.atan2(o,i),l=Math.sqrt(i*i+o*o),c=Math.round(s/r)*r;return{x:e+l*Math.cos(c),y:t+l*Math.sin(c),a:c}},rectsIntersect=function(e,t){return t.x<e.x+e.width&&t.x+t.width>e.x&&t.y<e.y+e.height&&t.y+t.height>e.y},$$1=jQuery,segData={2:["x","y"],4:["x","y"],6:["x","y","x1","y1","x2","y2"],8:["x","y","x1","y1"],10:["x","y","r1","r2","angle","largeArcFlag","sweepFlag"],12:["x"],14:["y"],16:["x","y","x2","y2"],18:["x","y"]},uiStrings={},setUiStrings=function(e){Object.assign(uiStrings,e.ui)},pathFuncs=[],linkControlPts=!0,pathData={},setLinkControlPoints=function(e){linkControlPts=e},path=null,editorContext_=null,init$1=function(e){editorContext_=e,pathFuncs=[0,"ClosePath"];$$1.each(["Moveto","Lineto","CurvetoCubic","CurvetoQuadratic","Arc","LinetoHorizontal","LinetoVertical","CurvetoCubicSmooth","CurvetoQuadraticSmooth"],function(e,t){pathFuncs.push(t+"Abs"),pathFuncs.push(t+"Rel")})},insertItemBefore=function(e,t,n){var a=e.pathSegList;if(supportsPathInsertItemBefore())a.insertItemBefore(t,n);else{for(var r=a.numberOfItems,i=[],o=0;o<r;o++){var s=a.getItem(o);i.push(s)}a.clear();for(var l=0;l<r;l++)l===n&&a.appendItem(t),a.appendItem(i[l])}},ptObjToArr=function(e,t){return segData[e].map(function(e){return t[e]})},getGripPt=function(e,t){var n=e.path,a={x:t?t.x:e.item.x,y:t?t.y:e.item.y};n.matrix&&(a=transformPoint(a.x,a.y,n.matrix));var r=editorContext_.getCurrentZoom();return a.x*=r,a.y*=r,a},getPointFromGrip=function(e,t){var n={x:e.x,y:e.y};t.matrix&&(e=transformPoint(n.x,n.y,t.imatrix),n.x=e.x,n.y=e.y);var a=editorContext_.getCurrentZoom();return n.x/=a,n.y/=a,n},addPointGrip=function(e,t,n){var a=getGripContainer(),r=getElem("pathpointgrip_"+e);if(!r){r=document.createElementNS(NS.SVG,"circle");var i={id:"pathpointgrip_"+e,display:"none",r:4,fill:"#0FF",stroke:"#00F","stroke-width":2,cursor:"move",style:"pointer-events:all"};"pathNodeTooltip"in uiStrings&&(i["xlink:title"]=uiStrings.pathNodeTooltip),assignAttributes(r,i),r=a.appendChild(r),$$1("#pathpointgrip_"+e).dblclick(function(){path&&path.setSegType()})}return t&&n&&assignAttributes(r,{cx:t,cy:n,display:"inline"}),r},getGripContainer=function(){var e=getElem("pathpointgrip_container");e||((e=getElem("selectorParentGroup").appendChild(document.createElementNS(NS.SVG,"g"))).id="pathpointgrip_container");return e},addCtrlGrip=function(e){var t=getElem("ctrlpointgrip_"+e);if(t)return t;t=document.createElementNS(NS.SVG,"circle");var n={id:"ctrlpointgrip_"+e,display:"none",r:4,fill:"#0FF",stroke:"#55F","stroke-width":1,cursor:"move",style:"pointer-events:all"};return"pathCtrlPtTooltip"in uiStrings&&(n["xlink:title"]=uiStrings.pathCtrlPtTooltip),assignAttributes(t,n),getGripContainer().append(t),t},getCtrlLine=function(e){var t=getElem("ctrlLine_"+e);return t||(t=document.createElementNS(NS.SVG,"line"),assignAttributes(t,{id:"ctrlLine_"+e,stroke:"#555","stroke-width":1,style:"pointer-events:none"}),getGripContainer().append(t),t)},getPointGrip=function(e,t){var n=e.index,a=addPointGrip(n);if(t){var r=getGripPt(e);assignAttributes(a,{cx:r.x,cy:r.y,display:"inline"})}return a},getControlPoints=function(e){var t=e.item,n=e.index;if(!("x1"in t&&"x2"in t))return null;var a={};getGripContainer();for(var r=[path.segs[n-1].item,t],i=1;i<3;i++){var o=n+"c"+i,s=a["c"+i+"_line"]=getCtrlLine(o),l=getGripPt(e,{x:t["x"+i],y:t["y"+i]}),c=getGripPt(e,{x:r[i-1].x,y:r[i-1].y});assignAttributes(s,{x1:l.x,y1:l.y,x2:c.x,y2:c.y,display:"inline"}),a["c"+i+"_line"]=s;var u=a["c"+i]=addCtrlGrip(o);assignAttributes(u,{cx:l.x,cy:l.y,display:"inline"}),a["c"+i]=u}return a},replacePathSeg=function(e,t,n,a){var r=a||path.elem,i=r["createSVGPathSeg"+pathFuncs[e]].apply(r,n);if(supportsPathReplaceItem())r.pathSegList.replaceItem(i,t);else{for(var o=r.pathSegList,s=o.numberOfItems,l=[],c=0;c<s;c++){var u=o.getItem(c);l.push(u)}o.clear();for(var d=0;d<s;d++)d===t?o.appendItem(i):o.appendItem(l[d])}},getSegSelector=function(e,t){var n=e.index,a=getElem("segline_"+n);if(!a){var r=getGripContainer();a=document.createElementNS(NS.SVG,"path"),assignAttributes(a,{id:"segline_"+n,display:"none",fill:"none",stroke:"#0FF","stroke-width":2,style:"pointer-events:none",d:"M0,0 0,0"}),r.append(a)}if(t){var i=e.prev;if(!i)return a.setAttribute("display","none"),a;var o=getGripPt(i);replacePathSeg(2,0,[o.x,o.y],a);for(var s=ptObjToArr(e.type,e.item),l=0;l<s.length;l+=2){var c=getGripPt(e,{x:s[l],y:s[l+1]});s[l]=c.x,s[l+1]=c.y}replacePathSeg(e.type,1,s,a)}return a},smoothControlPoints=function(e,t,n){var a=e.x-n.x,r=e.y-n.y,i=t.x-n.x,o=t.y-n.y;if(!(0===a&&0===r||0===i&&0===o)){var s=Math.sqrt(a*a+r*r),l=Math.sqrt(i*i+o*o),c=editorContext_.getSVGRoot().createSVGPoint(),u=editorContext_.getSVGRoot().createSVGPoint(),d=Math.atan2(r,a),h=Math.atan2(o,i);d<0&&(d+=2*Math.PI),h<0&&(h+=2*Math.PI);var g,p,f=Math.abs(d-h),m=Math.abs(Math.PI-f)/2;return d-h>0?(g=f<Math.PI?d+m:d-m,p=f<Math.PI?h-m:h+m):(g=f<Math.PI?d-m:d+m,p=f<Math.PI?h+m:h-m),c.x=s*Math.cos(g)+n.x,c.y=s*Math.sin(g)+n.y,u.x=l*Math.cos(p)+n.x,u.y=l*Math.sin(p)+n.y,[c,u]}},Segment=function(){function e(t,n){_classCallCheck(this,e),this.selected=!1,this.index=t,this.item=n,this.type=n.pathSegType,this.ctrlpts=[],this.ptgrip=null,this.segsel=null}return _createClass(e,[{key:"showCtrlPts",value:function(e){for(var t in this.ctrlpts)this.ctrlpts.hasOwnProperty(t)&&this.ctrlpts[t].setAttribute("display",e?"inline":"none")}},{key:"selectCtrls",value:function(e){$$1("#ctrlpointgrip_"+this.index+"c1, #ctrlpointgrip_"+this.index+"c2").attr("fill",e?"#0FF":"#EEE")}},{key:"show",value:function(e){this.ptgrip&&(this.ptgrip.setAttribute("display",e?"inline":"none"),this.segsel.setAttribute("display",e?"inline":"none"),this.showCtrlPts(e))}},{key:"select",value:function(e){this.ptgrip&&(this.ptgrip.setAttribute("stroke",e?"#0FF":"#00F"),this.segsel.setAttribute("display",e?"inline":"none"),this.ctrlpts&&this.selectCtrls(e),this.selected=e)}},{key:"addGrip",value:function(){this.ptgrip=getPointGrip(this,!0),this.ctrlpts=getControlPoints(this),this.segsel=getSegSelector(this,!0)}},{key:"update",value:function(e){if(this.ptgrip){var t=getGripPt(this);assignAttributes(this.ptgrip,{cx:t.x,cy:t.y}),getSegSelector(this,!0),this.ctrlpts&&(e&&(this.item=path.elem.pathSegList.getItem(this.index),this.type=this.item.pathSegType),getControlPoints(this))}}},{key:"move",value:function(e,t){var n=this.item,a=this.ctrlpts?[n.x+=e,n.y+=t,n.x1,n.y1,n.x2+=e,n.y2+=t]:[n.x+=e,n.y+=t];if(replacePathSeg(this.type,this.index,a),this.next&&this.next.ctrlpts){var r=this.next.item,i=[r.x,r.y,r.x1+=e,r.y1+=t,r.x2,r.y2];replacePathSeg(this.next.type,this.next.index,i)}if(this.mate){var o=this.mate.item,s=[o.x+=e,o.y+=t];replacePathSeg(this.mate.type,this.mate.index,s)}this.update(!0),this.next&&this.next.update(!0)}},{key:"setLinked",value:function(e){var t,n,a;if(2===e){if(n=1,!(t=this.next))return;a=this.item}else{if(n=2,!(t=this.prev))return;a=t.item}var r=t.item;r["x"+n]=a.x+(a.x-this.item["x"+e]),r["y"+n]=a.y+(a.y-this.item["y"+e]);var i=[r.x,r.y,r.x1,r.y1,r.x2,r.y2];replacePathSeg(t.type,t.index,i),t.update(!0)}},{key:"moveCtrl",value:function(e,t,n){var a=this.item;a["x"+e]+=t,a["y"+e]+=n;var r=[a.x,a.y,a.x1,a.y1,a.x2,a.y2];replacePathSeg(this.type,this.index,r),this.update(!0)}},{key:"setType",value:function(e,t){replacePathSeg(e,this.index,t),this.type=e,this.item=path.elem.pathSegList.getItem(this.index),this.showCtrlPts(6===e),this.ctrlpts=getControlPoints(this),this.update(!0)}}]),e}(),Path=function(){function e(t){if(_classCallCheck(this,e),!t||"path"!==t.tagName)throw new Error("svgedit.path.Path constructed without a <path> element");this.elem=t,this.segs=[],this.selected_pts=[],path=this,this.init()}return _createClass(e,[{key:"init",value:function(){$$1(getGripContainer()).find("*").each(function(){$$1(this).attr("display","none")});var e=this.elem.pathSegList,t=e.numberOfItems;this.segs=[],this.selected_pts=[],this.first_seg=null;for(var n=0;n<t;n++){var a=e.getItem(n),r=new Segment(n,a);r.path=this,this.segs.push(r)}for(var i=this.segs,o=null,s=0;s<t;s++){var l=i[s],c=s+1>=t?null:i[s+1],u=s-1<0?null:i[s-1];if(2===l.type){if(u&&1!==u.type){var d=i[o];d.next=i[o+1],d.next.prev=d,d.addGrip()}o=s}else if(c&&1===c.type)l.next=i[o+1],l.next.prev=l,l.mate=i[o],l.addGrip(),null==this.first_seg&&(this.first_seg=l);else if(c)1!==l.type&&(l.addGrip(),c&&2!==c.type&&(l.next=c,l.next.prev=l));else if(1!==l.type){var h=i[o];h.next=i[o+1],h.next.prev=h,h.addGrip(),l.addGrip(),this.first_seg||(this.first_seg=i[o])}}return this}},{key:"eachSeg",value:function(e){for(var t=this.segs.length,n=0;n<t;n++){if(!1===e.call(this.segs[n],n))break}}},{key:"addSeg",value:function(e){var t=this.segs[e];if(t.prev){var n,a,r,i=t.prev;switch(t.item.pathSegType){case 4:a=(t.item.x+i.item.x)/2,r=(t.item.y+i.item.y)/2,n=this.elem.createSVGPathSegLinetoAbs(a,r);break;case 6:var o=(i.item.x+t.item.x1)/2,s=(t.item.x1+t.item.x2)/2,l=(t.item.x2+t.item.x)/2,c=(o+s)/2,u=(s+l)/2;a=(c+u)/2;var d=(i.item.y+t.item.y1)/2,h=(t.item.y1+t.item.y2)/2,g=(t.item.y2+t.item.y)/2,p=(d+h)/2,f=(h+g)/2;r=(p+f)/2,n=this.elem.createSVGPathSegCurvetoCubicAbs(a,r,o,d,c,p);var m=[t.item.x,t.item.y,u,f,l,g];replacePathSeg(t.type,e,m)}insertItemBefore(this.elem,n,e)}}},{key:"deleteSeg",value:function(e){var t=this.segs[e],n=this.elem.pathSegList;t.show(!1);var a=t.next;if(t.mate){var r=[a.item.x,a.item.y];replacePathSeg(2,a.index,r),replacePathSeg(4,t.index,r),n.removeItem(t.mate.index)}else if(t.prev)n.removeItem(e);else{var i=[a.item.x,a.item.y];replacePathSeg(2,t.next.index,i),n.removeItem(e)}}},{key:"subpathIsClosed",value:function(e){var t=!1;return path.eachSeg(function(n){return n<=e||2!==this.type&&(1===this.type?(t=!0,!1):void 0)}),t}},{key:"removePtFromSelection",value:function(e){var t=this.selected_pts.indexOf(e);-1!==t&&(this.segs[e].select(!1),this.selected_pts.splice(t,1))}},{key:"clearSelection",value:function(){this.eachSeg(function(){this.select(!1)}),this.selected_pts=[]}},{key:"storeD",value:function(){this.last_d=this.elem.getAttribute("d")}},{key:"show",value:function(e){return this.eachSeg(function(){this.show(e)}),e&&this.selectPt(this.first_seg.index),this}},{key:"movePts",value:function(e,t){for(var n=this.selected_pts.length;n--;){this.segs[this.selected_pts[n]].move(e,t)}}},{key:"moveCtrl",value:function(e,t){var n=this.segs[this.selected_pts[0]];n.moveCtrl(this.dragctrl,e,t),linkControlPts&&n.setLinked(this.dragctrl)}},{key:"setSegType",value:function(e){this.storeD();for(var t,n=this.selected_pts.length;n--;){var a=this.selected_pts[n],r=this.segs[a],i=r.prev;if(i){if(!e)t="Toggle Path Segment Type",e=6===r.type?4:6;e=Number(e);var o=r.item.x,s=r.item.y,l=i.item.x,c=i.item.y,u=void 0;switch(e){case 6:if(r.olditem){var d=r.olditem;u=[o,s,d.x1,d.y1,d.x2,d.y2]}else{var h=o-l,g=s-c;u=[o,s,l+h/3,c+g/3,o-h/3,s-g/3]}break;case 4:u=[o,s],r.olditem=r.item}r.setType(e,u)}}path.endChanges(t)}},{key:"selectPt",value:function(e,t){this.clearSelection(),null==e&&this.eachSeg(function(t){this.prev&&(e=t)}),this.addPtsToSelection(e),t&&(this.dragctrl=t,linkControlPts&&this.segs[e].setLinked(t))}},{key:"update",value:function(){var e=this.elem;return getRotationAngle(e)?(this.matrix=getMatrix(e),this.imatrix=this.matrix.inverse()):(this.matrix=null,this.imatrix=null),this.eachSeg(function(t){this.item=e.pathSegList.getItem(t),this.update()}),this}},{key:"endChanges",value:function(e){isWebkit()&&editorContext_.resetD(this.elem);var t=new ChangeElementCommand(this.elem,{d:this.last_d},e);editorContext_.endChanges({cmd:t,elem:this.elem})}},{key:"addPtsToSelection",value:function(e){Array.isArray(e)||(e=[e]);for(var t=0;t<e.length;t++){var n=e[t];this.segs[n].ptgrip&&!this.selected_pts.includes(n)&&n>=0&&this.selected_pts.push(n)}this.selected_pts.sort();var a=this.selected_pts.length,r=[];for(r.length=a;a--;){var i=this.selected_pts[a],o=this.segs[i];o.select(!0),r[a]=o.ptgrip}var s=this.subpathIsClosed(this.selected_pts[0]);editorContext_.addPtsToSelection({grips:r,closedSubpath:s})}}]),e}(),getPath_=function(e){var t=pathData[e.id];return t||(t=pathData[e.id]=new Path(e)),t},removePath_=function(e){e in pathData&&delete pathData[e]},getRotVals=function(e,t){var n=e-oldcx,a=t-oldcy,r=Math.sqrt(n*n+a*a),i=Math.atan2(a,n)+angle;return n=r*Math.cos(i)+oldcx,a=r*Math.sin(i)+oldcy,n-=newcx,a-=newcy,r=Math.sqrt(n*n+a*a),i=Math.atan2(a,n)-angle,{x:r*Math.cos(i)+newcx,y:r*Math.sin(i)+newcy}},recalcRotatedPath=function(){var e=path.elem;if(angle=getRotationAngle(e,!0)){var t=path.oldbbox;oldcx=t.x+t.width/2,oldcy=t.y+t.height/2;var n=getBBox(e);newcx=n.x+n.width/2,newcy=n.y+n.height/2;var a=newcx-oldcx,r=newcy-oldcy,i=Math.sqrt(a*a+r*r),o=Math.atan2(r,a)+angle;newcx=i*Math.cos(o)+oldcx,newcy=i*Math.sin(o)+oldcy;for(var s=e.pathSegList,l=s.numberOfItems;l;){l-=1;var c=s.getItem(l),u=c.pathSegType;if(1!==u){var d=getRotVals(c.x,c.y),h=[d.x,d.y];if(null!=c.x1&&null!=c.x2){var g=getRotVals(c.x1,c.y1),p=getRotVals(c.x2,c.y2);h.splice(h.length,0,g.x,g.y,p.x,p.y)}replacePathSeg(u,l,h)}}getBBox(e);var f=editorContext_.getSVGRoot().createSVGTransform(),m=getTransformList(e);f.setRotate(180*angle/Math.PI,newcx,newcy),m.replaceItem(f,0)}},clearData=function(){pathData={}},reorientGrads=function(e,t){for(var n=getBBox(e),a=0;a<2;a++){var r=0===a?"fill":"stroke",i=e.getAttribute(r);if(i&&i.startsWith("url(")){var o=getRefElem(i);if("linearGradient"===o.tagName){var s=o.getAttribute("x1")||0,l=o.getAttribute("y1")||0,c=o.getAttribute("x2")||1,u=o.getAttribute("y2")||0;s=n.width*s+n.x,l=n.height*l+n.y,c=n.width*c+n.x,u=n.height*u+n.y;var d=transformPoint(s,l,t),h=transformPoint(c,u,t),g={};g.x1=(d.x-n.x)/n.width,g.y1=(d.y-n.y)/n.height,g.x2=(h.x-n.x)/n.width,g.y2=(h.y-n.y)/n.height;var p=o.cloneNode(!0);$$1(p).attr(g),p.id=editorContext_.getNextId(),findDefs().append(p),e.setAttribute(r,"url(#"+p.id+")")}}}},pathMap=[0,"z","M","m","L","l","C","c","Q","q","A","a","H","h","V","v","S","s","T","t"],convertPath=function(e,t){for(var n=e.pathSegList,a=n.numberOfItems,r=0,i=0,o="",s=null,l=0;l<a;++l){var c=n.getItem(l),u=c.x||0,d=c.y||0,h=c.x1||0,g=c.y1||0,p=c.x2||0,f=c.y2||0,m=c.pathSegType,v=pathMap[m]["to"+(t?"Lower":"Upper")+"Case"]();switch(m){case 1:o+="z",s&&!t&&(r=s[0],i=s[1]);break;case 12:u-=r;case 13:t?(r+=u,v="l"):(r=u+=r,v="L"),o+=pathDSegment(v,[[u,i]]);break;case 14:d-=i;case 15:t?(i+=d,v="l"):(i=d+=i,v="L"),o+=pathDSegment(v,[[r,d]]);break;case 2:case 4:case 18:u-=r,d-=i;case 5:case 3:case 19:t?(r+=u,i+=d):(r=u+=r,i=d+=i),2!==m&&3!==m||(s=[r,i]),o+=pathDSegment(v,[[u,d]]);break;case 6:u-=r,h-=r,p-=r,d-=i,g-=i,f-=i;case 7:t?(r+=u,i+=d):(h+=r,p+=r,g+=i,f+=i,r=u+=r,i=d+=i),o+=pathDSegment(v,[[h,g],[p,f],[u,d]]);break;case 8:u-=r,h-=r,d-=i,g-=i;case 9:t?(r+=u,i+=d):(h+=r,g+=i,r=u+=r,i=d+=i),o+=pathDSegment(v,[[h,g],[u,d]]);break;case 10:u-=r,d-=i;case 11:t?(r+=u,i+=d):(r=u+=r,i=d+=i),o+=pathDSegment(v,[[c.r1,c.r2]],[c.angle,c.largeArcFlag?1:0,c.sweepFlag?1:0],[u,d]);break;case 16:u-=r,p-=r,d-=i,f-=i;case 17:t?(r+=u,i+=d):(p+=r,f+=i,r=u+=r,i=d+=i),o+=pathDSegment(v,[[p,f],[u,d]])}}return o};function pathDSegment(e,t,n,a){$$1.each(t,function(e,n){t[e]=shortFloat(n)});var r=e+t.join(" ");return n&&(r+=" "+n.join(" ")),a&&(r+=" "+shortFloat(a)),r}var pathActions=function(){var e,t,n=!1,a=null,r=!1;return{mouseDown:function(t,a,r,i){var o;if("path"!==editorContext_.getCurrentMode()){if(path){var s;if(path.storeD(),"pathpointgrip_"===(o=t.target.id).substr(0,14)){s=path.cur_pt=parseInt(o.substr(14),10),path.dragging=[r,i];var l=path.segs[s];t.shiftKey?l.selected?path.removePtFromSelection(s):path.addPtsToSelection(s):((path.selected_pts.length<=1||!l.selected)&&path.clearSelection(),path.addPtsToSelection(s))}else if(o.startsWith("ctrlpointgrip_")){path.dragging=[r,i];var c=o.split("_")[1].split("c");s=Number(c[0]);var u=Number(c[1]);path.selectPt(s,u)}if(!path.dragging){var d=editorContext_.getRubberBox();null==d&&(d=editorContext_.setRubberBox(editorContext_.selectorManager.getRubberBandBox()));var h=editorContext_.getCurrentZoom();assignAttributes(d,{x:r*h,y:i*h,width:0,height:0,display:"inline"},100)}}}else{var g=r,p=i,f=editorContext_.getCurrentZoom(),m=g/f,v=p/f,_=getElem("path_stretch_line");e=[m,v],editorContext_.getGridSnapping()&&(m=snapToGrid(m),v=snapToGrid(v),g=snapToGrid(g),p=snapToGrid(p)),_||(_=document.createElementNS(NS.SVG,"path"),assignAttributes(_,{id:"path_stretch_line",stroke:"#22C","stroke-width":"0.5",fill:"none"}),_=getElem("selectorParentGroup").appendChild(_)),_.setAttribute("display","inline");var b,y=editorContext_.getDrawnPath();if(y){for(var x=y.pathSegList,C=x.numberOfItems,S=6/f,w=!1;C;){C--;var $=x.getItem(C),k=$.x,A=$.y;if(m>=k-S&&m<=k+S&&v>=A-S&&v<=A+S){w=!0;break}}o=editorContext_.getId(),removePath_(o);var E,P,T=getElem(o),G=x.numberOfItems;if(w){if(C<=1&&G>=2){var N=x.getItem(0).x,L=x.getItem(0).y;E=4===(P=_.pathSegList.getItem(1)).pathSegType?y.createSVGPathSegLinetoAbs(N,L):y.createSVGPathSegCurvetoCubicAbs(N,L,P.x1/f,P.y1/f,N,L);var I=y.createSVGPathSegClosePath();x.appendItem(E),x.appendItem(I)}else if(G<3)return!1;if($$1(_).remove(),editorContext_.setDrawnPath(null),editorContext_.setStarted(!1),n){path.matrix&&editorContext_.remapElement(T,{},path.matrix.inverse());var M=T.getAttribute("d"),R=$$1(path.elem).attr("d");return $$1(path.elem).attr("d",R+M),$$1(T).remove(),path.matrix&&recalcRotatedPath(),init$1(),pathActions.toEditMode(path.elem),path.selectPt(),!1}}else{if(!$$1.contains(editorContext_.getContainer(),editorContext_.getMouseTarget(t)))return console.log("Clicked outside canvas"),!1;var O=y.pathSegList.numberOfItems,B=y.pathSegList.getItem(O-1),V=B.x,j=B.y;if(t.shiftKey){var D=snapToAngle(V,j,m,v);m=D.x,v=D.y}E=4===(P=_.pathSegList.getItem(1)).pathSegType?y.createSVGPathSegLinetoAbs(editorContext_.round(m),editorContext_.round(v)):y.createSVGPathSegCurvetoCubicAbs(editorContext_.round(m),editorContext_.round(v),P.x1/f,P.y1/f,P.x2/f,P.y2/f),y.pathSegList.appendItem(E),m*=f,v*=f,_.setAttribute("d",["M",m,v,m,v].join(" ")),b=O,n&&(b+=path.segs.length),addPointGrip(b,m,v)}}else{var F="M"+m+","+v+" ";editorContext_.setDrawnPath(editorContext_.addSVGElementFromJson({element:"path",curStyles:!0,attr:{d:F,id:editorContext_.getNextId(),opacity:editorContext_.getOpacity()/2}})),_.setAttribute("d",["M",g,p,g,p].join(" ")),b=n?path.segs.length:0,addPointGrip(b,g,p)}}},mouseMove:function(n,a){var i=editorContext_.getCurrentZoom();r=!0;var o=editorContext_.getDrawnPath();if("path"!==editorContext_.getCurrentMode())if(path.dragging){var s=getPointFromGrip({x:path.dragging[0],y:path.dragging[1]},path),l=getPointFromGrip({x:n,y:a},path),c=l.x-s.x,u=l.y-s.y;path.dragging=[n,a],path.dragctrl?path.moveCtrl(c,u):path.movePts(c,u)}else path.selected_pts=[],path.eachSeg(function(e){if(this.next||this.prev){var t=editorContext_.getRubberBox().getBBox(),n=getGripPt(this),a={x:n.x,y:n.y,width:0,height:0},r=rectsIntersect(t,a);this.select(r),r&&path.selected_pts.push(this.index)}});else{if(!o)return;var d=o.pathSegList,h=d.numberOfItems-1;if(e){var g=addCtrlGrip("1c1"),p=addCtrlGrip("0c2");g.setAttribute("cx",n),g.setAttribute("cy",a),g.setAttribute("display","inline");var f=e[0],m=e[1],v=f+(f-n/i),_=m+(m-a/i);p.setAttribute("cx",v*i),p.setAttribute("cy",_*i),p.setAttribute("display","inline");var b=getCtrlLine(1);if(assignAttributes(b,{x1:n,y1:a,x2:v*i,y2:_*i,display:"inline"}),0===h)t=[n,a];else{var y=d.getItem(h-1),x=y.x,C=y.y;6===y.pathSegType?(x+=x-y.x2,C+=C-y.y2):t&&(x=t[0]/i,C=t[1]/i),replacePathSeg(6,h,[f,m,x,C,v,_],o)}}else{var S=getElem("path_stretch_line");if(S){var w=d.getItem(h);if(6===w.pathSegType){var $=w.x+(w.x-w.x2),k=w.y+(w.y-w.y2);replacePathSeg(6,1,[n,a,$*i,k*i,n,a],S)}else t?replacePathSeg(6,1,[n,a,t[0],t[1],n,a],S):replacePathSeg(4,1,[n,a],S)}}}},mouseUp:function(n,a,i,o){var s=editorContext_.getDrawnPath();if("path"===editorContext_.getCurrentMode())return e=null,s||(a=getElem(editorContext_.getId()),editorContext_.setStarted(!1),t=null),{keep:!0,element:a};var l=editorContext_.getRubberBox();if(path.dragging){var c=path.cur_pt;path.dragging=!1,path.dragctrl=!1,path.update(),r&&path.endChanges("Move path point(s)"),n.shiftKey||r||path.selectPt(c)}else l&&"none"!==l.getAttribute("display")?(l.setAttribute("display","none"),l.getAttribute("width")<=2&&l.getAttribute("height")<=2&&pathActions.toSelectMode(n.target)):pathActions.toSelectMode(n.target);r=!1},toEditMode:function(e){path=getPath_(e),editorContext_.setCurrentMode("pathedit"),editorContext_.clearSelection(),path.show(!0).update(),path.oldbbox=getBBox(path.elem),n=!1},toSelectMode:function(e){var t=e===path.elem;editorContext_.setCurrentMode("select"),path.show(!1),a=!1,editorContext_.clearSelection(),path.matrix&&recalcRotatedPath(),t&&(editorContext_.call("selected",[e]),editorContext_.addToSelection([e],!0))},addSubPath:function(e){e?(editorContext_.setCurrentMode("path"),n=!0):(pathActions.clear(!0),pathActions.toEditMode(path.elem))},select:function(e){a===e?(pathActions.toEditMode(e),editorContext_.setCurrentMode("pathedit")):a=e},reorient:function(){var e=editorContext_.getSelectedElements()[0];if(e&&0!==getRotationAngle(e)){var t=new BatchCommand("Reorient 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ve=a.getItem(0).matrix,_e=t.childNodes,be=_e.length;be--;){var ye=_e.item(be);if(1===ye.nodeType){N=context_.getStartTransform(),context_.setStartTransform(ye.getAttribute("transform"));var xe=getTransformList(ye);if(!xe)continue;var Ce=matrixMultiply(ve,transformListToTransform(xe).matrix),Se=n.createSVGTransform();Se.setMatrix(Ce),xe.clear(),xe.appendItem(Se,0),m.addSubCommand(e(ye)),context_.setStartTransform(N);var we=ye.getAttribute("stroke-width");if("none"!==ye.getAttribute("stroke")&&!isNaN(we)){var $e=(Math.abs(Ce.a)+Math.abs(Ce.d))/2;ye.setAttribute("stroke-width",we*$e)}}}a.clear()}if(2===R){if($){p={x:g.x+G.e,y:g.y+G.f};var ke=n.createSVGTransform();ke.setRotate($,p.x,p.y),a.numberOfItems?a.insertItemBefore(ke,0):a.appendItem(ke)}}else if(3===R){var Ae=transformListToTransform(a).matrix,Ee=n.createSVGTransform();Ee.setRotate($,g.x,g.y);var Pe=Ee.matrix,Te=n.createSVGTransform();Te.setRotate($,p.x,p.y);var Ge=Te.matrix.inverse(),Ne=Ae.inverse(),Le=matrixMultiply(Ne,Ge,Pe,Ae);if(I=Le.e,M=Le.f,0!==I||0!==M)for(var Ie=t.childNodes,Me=Ie.length;Me--;){var Re=Ie.item(Me);if(1===Re.nodeType){N=context_.getStartTransform(),context_.setStartTransform(Re.getAttribute("transform"));var Oe=getTransformList(Re),Be=n.createSVGTransform();Be.setTranslate(I,M),Oe.numberOfItems?Oe.insertItemBefore(Be,0):Oe.appendItem(Be),m.addSubCommand(e(Re)),context_.setStartTransform(N)}}$&&(a.numberOfItems?a.insertItemBefore(Te,0):a.appendItem(Te))}}else{var Ve,je=getBBox(t);if(!je&&"path"!==t.tagName)return null;var De=getRotationAngle(t);if(De){g={x:je.x+je.width/2,y:je.y+je.height/2},p=transformPoint(je.x+je.width/2,je.y+je.height/2,transformListToTransform(a).matrix);for(var Fe=De*Math.PI/180,Ue=Math.abs(Fe)>1e-10?Math.sin(Fe)/(1-Math.cos(Fe)):2/Fe,He=0;He<a.numberOfItems;++He){var ze=a.getItem(He);if(4===ze.type){var qe=ze.matrix;g.y=(Ue*qe.e+qe.f)/2,g.x=(qe.e-Ue*qe.f)/2,a.removeItem(He);break}}}var We=0,Ye=a.numberOfItems;if(!isWebkit()){var Xe=t.getAttribute("fill");if(Xe&&Xe.startsWith("url(")){var Qe=getRefElem(Xe),Ke="pattern";if(Qe.tagName!==Ke&&(Ke="gradient"),"userSpaceOnUse"===Qe.getAttribute(Ke+"Units")){Ve=transformListToTransform(a).matrix;var Ze=getTransformList(Qe),Je=transformListToTransform(Ze).matrix,et="matrix("+[(Ve=matrixMultiply(Ve,Je)).a,Ve.b,Ve.c,Ve.d,Ve.e,Ve.f].join(",")+")";Qe.setAttribute(Ke+"Transform",et)}}}if(Ye>=3&&3===a.getItem(Ye-2).type&&2===a.getItem(Ye-3).type&&2===a.getItem(Ye-1).type)We=3,Ve=transformListToTransform(a,Ye-3,Ye-1).matrix,a.removeItem(Ye-1),a.removeItem(Ye-2),a.removeItem(Ye-3);else if(4===Ye&&1===a.getItem(Ye-1).type){We=3,Ve=transformListToTransform(a).matrix;var tt=n.createSVGTransform();tt.setMatrix(Ve),a.clear(),a.appendItem(tt),Ve=n.createSVGMatrix()}else if((1===Ye||Ye>1&&3!==a.getItem(1).type)&&2===a.getItem(0).type){We=2;var nt=a.getItem(0).matrix,at=transformListToTransform(a,1).matrix,rt=at.inverse();Ve=matrixMultiply(rt,nt,at),a.removeItem(0)}else{if(1!==Ye||1!==a.getItem(0).type||De){if(De){var it=n.createSVGTransform();it.setRotate(De,p.x,p.y),a.numberOfItems?a.insertItemBefore(it,0):a.appendItem(it)}return 0===a.numberOfItems&&t.removeAttribute("transform"),null}switch(Ve=transformListToTransform(a).matrix,t.tagName){case"line":v=$$7(t).attr(["x1","y1","x2","y2"]);case"polyline":case"polygon":if(v.points=t.getAttribute("points"),v.points){var ot=t.points,st=ot.numberOfItems;v.points=new Array(st);for(var lt=0;lt<st;++lt){var ct=ot.getItem(lt);v.points[lt]={x:ct.x,y:ct.y}}}case"path":v.d=t.getAttribute("d"),We=1,a.clear()}}if(1!==We&&2!==We&&3!==We||remapElement(t,v,Ve),2===We){if(De){hasMatrixTransform(a)||(p={x:g.x+Ve.e,y:g.y+Ve.f});var ut=n.createSVGTransform();ut.setRotate(De,p.x,p.y),a.numberOfItems?a.insertItemBefore(ut,0):a.appendItem(ut)}if("text"===t.tagName)for(var dt=t.childNodes,ht=dt.length;ht--;){var gt=dt.item(ht);if("tspan"===gt.tagName){var pt={x:$$7(gt).attr("x")||0,y:$$7(gt).attr("y")||0};remapElement(gt,pt,Ve)}}}else if(3===We&&De){var ft=transformListToTransform(a).matrix,mt=n.createSVGTransform();mt.setRotate(De,g.x,g.y);var vt=mt.matrix,_t=n.createSVGTransform();_t.setRotate(De,p.x,p.y);var bt=_t.matrix.inverse(),yt=ft.inverse(),xt=matrixMultiply(yt,bt,vt,ft);remapElement(t,v,xt),De&&(a.numberOfItems?a.insertItemBefore(_t,0):a.appendItem(_t))}}return 0===a.numberOfItems&&t.removeAttribute("transform"),m.addSubCommand(new ChangeElementCommand(t,_)),m},$$8=jQuery,gripRadius=isTouch()?10:4,Selector=function(){function e(t,n,a){_classCallCheck(this,e),this.id=t,this.selectedElement=n,this.locked=!0,this.selectorGroup=svgFactory_.createSVGElement({element:"g",attr:{id:"selectorGroup"+this.id}}),this.selectorRect=this.selectorGroup.appendChild(svgFactory_.createSVGElement({element:"path",attr:{id:"selectedBox"+this.id,fill:"none",stroke:"#22C","stroke-width":"1","stroke-dasharray":"5,5",style:"pointer-events:none"}})),this.gripCoords={nw:null,n:null,ne:null,e:null,se:null,s:null,sw:null,w:null},this.reset(this.selectedElement,a)}return _createClass(e,[{key:"reset",value:function(e,t){this.locked=!0,this.selectedElement=e,this.resize(t),this.selectorGroup.setAttribute("display","inline")}},{key:"updateGripCursors",value:function(e){var t,n=[],a=Math.round(e/45);for(t in a<0&&(a+=8),selectorManager_.selectorGrips)n.push(t);for(;a>0;)n.push(n.shift()),a--;var r=0;for(t in selectorManager_.selectorGrips)selectorManager_.selectorGrips[t].setAttribute("style","cursor:"+n[r]+"-resize"),r++}},{key:"showGrips",value:function(e){var t=e?"inline":"none";selectorManager_.selectorGripsGroup.setAttribute("display",t);var n=this.selectedElement;this.hasGrips=e,n&&e&&(this.selectorGroup.append(selectorManager_.selectorGripsGroup),this.updateGripCursors(getRotationAngle(n)))}},{key:"resize",value:function(e){var t=this.selectorRect,n=selectorManager_,a=n.selectorGrips,r=this.selectedElement,i=r.getAttribute("stroke-width"),o=svgFactory_.getCurrentZoom(),s=1/o;"none"===r.getAttribute("stroke")||isNaN(i)||(s+=i/2);var l=r.tagName;"text"===l&&(s+=2/o);var c=getTransformList(r),u=transformListToTransform(c).matrix;if(u.e*=o,u.f*=o,e||(e=getBBox(r)),"g"===l&&!$$8.data(r,"gsvg")){var d=getStrokedBBox([r.childNodes]);d&&(e=d)}var h=e.x,g=e.y,p=e.width,f=e.height;s*=o;var m=transformBox(h*o,g*o,p*o,f*o,u),v=m.aabox,_=v.x-s,b=v.y-s,y=v.width+2*s,x=v.height+2*s,C=_+y/2,S=b+x/2,w=getRotationAngle(r);if(w){var $=svgFactory_.svgRoot().createSVGTransform();$.setRotate(-w,C,S);var k=$.matrix;m.tl=transformPoint(m.tl.x,m.tl.y,k),m.tr=transformPoint(m.tr.x,m.tr.y,k),m.bl=transformPoint(m.bl.x,m.bl.y,k),m.br=transformPoint(m.br.x,m.br.y,k);var A=m.tl,E=A.x,P=A.y,T=A.x,G=A.y,N=Math.min,L=Math.max;_=E=N(E,N(m.tr.x,N(m.bl.x,m.br.x)))-s,b=P=N(P,N(m.tr.y,N(m.bl.y,m.br.y)))-s,y=(T=L(T,L(m.tr.x,L(m.bl.x,m.br.x)))+s)-E,x=(G=L(G,L(m.tr.y,L(m.bl.y,m.br.y)))+s)-P}var I="M"+_+","+b+" L"+(_+y)+","+b+" "+(_+y)+","+(b+x)+" "+_+","+(b+x)+"z";t.setAttribute("d",I);var M=w?"rotate("+[w,C,S].join(",")+")":"";for(var R in this.selectorGroup.setAttribute("transform",M),this.gripCoords={nw:[_,b],ne:[_+y,b],sw:[_,b+x],se:[_+y,b+x],n:[_+y/2,b],w:[_,b+x/2],e:[_+y,b+x/2],s:[_+y/2,b+x]},this.gripCoords){var O=this.gripCoords[R];a[R].setAttribute("cx",O[0]),a[R].setAttribute("cy",O[1])}n.rotateGripConnector.setAttribute("x1",_+y/2),n.rotateGripConnector.setAttribute("y1",b),n.rotateGripConnector.setAttribute("x2",_+y/2),n.rotateGripConnector.setAttribute("y2",b-5*gripRadius),n.rotateGrip.setAttribute("cx",_+y/2),n.rotateGrip.setAttribute("cy",b-5*gripRadius)}}]),e}(),SelectorManager=function(){function e(){_classCallCheck(this,e),this.selectorParentGroup=null,this.rubberBandBox=null,this.selectors=[],this.selectorMap={},this.selectorGrips={nw:null,n:null,ne:null,e:null,se:null,s:null,sw:null,w:null},this.selectorGripsGroup=null,this.rotateGripConnector=null,this.rotateGrip=null,this.initGroup()}return _createClass(e,[{key:"initGroup",value:function(){for(var e in this.selectorParentGroup&&this.selectorParentGroup.parentNode&&this.selectorParentGroup.remove(),this.selectorParentGroup=svgFactory_.createSVGElement({element:"g",attr:{id:"selectorParentGroup"}}),this.selectorGripsGroup=svgFactory_.createSVGElement({element:"g",attr:{display:"none"}}),this.selectorParentGroup.append(this.selectorGripsGroup),svgFactory_.svgRoot().append(this.selectorParentGroup),this.selectorMap={},this.selectors=[],this.rubberBandBox=null,this.selectorGrips){var t=svgFactory_.createSVGElement({element:"circle",attr:{id:"selectorGrip_resize_"+e,fill:"#22C",r:gripRadius,style:"cursor:"+e+"-resize","stroke-width":2,"pointer-events":"all"}});$$8.data(t,"dir",e),$$8.data(t,"type","resize"),this.selectorGrips[e]=this.selectorGripsGroup.appendChild(t)}if(this.rotateGripConnector=this.selectorGripsGroup.appendChild(svgFactory_.createSVGElement({element:"line",attr:{id:"selectorGrip_rotateconnector",stroke:"#22C","stroke-width":"1"}})),this.rotateGrip=this.selectorGripsGroup.appendChild(svgFactory_.createSVGElement({element:"circle",attr:{id:"selectorGrip_rotate",fill:"lime",r:gripRadius,stroke:"#22C","stroke-width":2,style:"cursor:url("+config_.imgPath+"rotate.png) 12 12, auto;"}})),$$8.data(this.rotateGrip,"type","rotate"),!$$8("#canvasBackground").length){var n=_slicedToArray(config_.dimensions,2),a=n[0],r=n[1],i=svgFactory_.createSVGElement({element:"svg",attr:{id:"canvasBackground",width:a,height:r,x:0,y:0,overflow:isWebkit()?"none":"visible",style:"pointer-events:none"}}),o=svgFactory_.createSVGElement({element:"rect",attr:{width:"100%",height:"100%",x:0,y:0,"stroke-width":1,stroke:"#000",fill:"#FFF",style:"pointer-events:none"}});i.append(o),svgFactory_.svgRoot().insertBefore(i,svgFactory_.svgContent())}}},{key:"requestSelector",value:function(e,t){if(null==e)return null;var n=this.selectors.length;if("object"===_typeof(this.selectorMap[e.id]))return this.selectorMap[e.id].locked=!0,this.selectorMap[e.id];for(var a=0;a<n;++a)if(this.selectors[a]&&!this.selectors[a].locked)return this.selectors[a].locked=!0,this.selectors[a].reset(e,t),this.selectorMap[e.id]=this.selectors[a],this.selectors[a];return this.selectors[n]=new Selector(n,e,t),this.selectorParentGroup.append(this.selectors[n].selectorGroup),this.selectorMap[e.id]=this.selectors[n],this.selectors[n]}},{key:"releaseSelector",value:function(e){if(null!=e){var t=this.selectors.length,n=this.selectorMap[e.id];n.locked||console.log("WARNING! selector was released but was already unlocked");for(var a=0;a<t;++a)if(this.selectors[a]&&this.selectors[a]===n){delete this.selectorMap[e.id],n.locked=!1,n.selectedElement=null,n.showGrips(!1);try{n.selectorGroup.setAttribute("display","none")}catch(e){}break}}}},{key:"getRubberBandBox",value:function(){return this.rubberBandBox||(this.rubberBandBox=this.selectorParentGroup.appendChild(svgFactory_.createSVGElement({element:"rect",attr:{id:"selectorRubberBand",fill:"#22C","fill-opacity":.15,stroke:"#22C","stroke-width":.5,display:"none",style:"pointer-events:none"}}))),this.rubberBandBox}}]),e}(),init$6=function(e,t){config_=e,svgFactory_=t,selectorManager_=new SelectorManager},getSelectorManager=function(){return selectorManager_},$$9=jqPluginSVG(jQuery),MoveElementCommand$1=MoveElementCommand,InsertElementCommand$1=InsertElementCommand,RemoveElementCommand$1=RemoveElementCommand,ChangeElementCommand$1=ChangeElementCommand,BatchCommand$1=BatchCommand,UndoManager$1=UndoManager,HistoryEventTypes$1=HistoryEventTypes;window.console||(window.console={},window.console.log=function(e){},window.console.dir=function(e){}),window.opera&&(window.console.log=function(e){window.opera.postError(e)},window.console.dir=function(e){});var SvgCanvas=function e(t,n){_classCallCheck(this,e);var a={show_outside_canvas:!0,selectNew:!0,dimensions:[640,480]};n&&$$9.extend(a,n);var r=a.dimensions,i=this,o=t.ownerDocument,s=o.importNode(text2xml('<svg id="svgroot" xmlns="'+NS.SVG+'" xlinkns="'+NS.XLINK+'" width="'+r[0]+'" height="'+r[1]+'" x="'+r[0]+'" y="'+r[1]+'" overflow="visible"><defs><filter id="canvashadow" filterUnits="objectBoundingBox"><feGaussianBlur in="SourceAlpha" stdDeviation="4" result="blur"/><feOffset in="blur" dx="5" dy="5" result="offsetBlur"/><feMerge><feMergeNode in="offsetBlur"/><feMergeNode in="SourceGraphic"/></feMerge></filter></defs></svg>').documentElement,!0);t.append(s);var l=o.createElementNS(NS.SVG,"svg");(i.clearSvgContentElement=function(){$$9(l).empty(),$$9(l).attr({id:"svgcontent",width:r[0],height:r[1],x:r[0],y:r[1],overflow:a.show_outside_canvas?"visible":"hidden",xmlns:NS.SVG,"xmlns:se":NS.SE,"xmlns:xlink":NS.XLINK}).appendTo(s);var e=o.createComment(" Created with SVG-edit - https://github.com/SVG-Edit/svgedit");l.append(e)})();var c="svg_";i.setIdPrefix=function(e){c=e},i.current_drawing_=new Drawing(l,c);var u=i.getCurrentDrawing=function(){return i.current_drawing_},d=1,h=null,g={shape:{fill:("none"===a.initFill.color?"":"#")+a.initFill.color,fill_paint:null,fill_opacity:a.initFill.opacity,stroke:"#"+a.initStroke.color,stroke_paint:null,stroke_opacity:a.initStroke.opacity,stroke_width:a.initStroke.width,stroke_dasharray:"none",stroke_linejoin:"miter",stroke_linecap:"butt",opacity:a.initOpacity}};g.text=$$9.extend(!0,{},g.shape),$$9.extend(g.text,{fill:"#000000",stroke_width:a.text&&a.text.stroke_width,font_size:a.text&&a.text.font_size,font_family:a.text&&a.text.font_family});var p=g.shape,f=[],m=this.getJsonFromSvgElement=function(e){if(3===e.nodeType)return e.nodeValue;for(var t,n={element:e.tagName,attr:{},children:[]},a=0;t=e.attributes[a];a++)n.attr[t.name]=t.value;for(var r,i=0;r=e.childNodes[i];i++)n.children[i]=m(r);return n},v=this.addSVGElementFromJson=function(e){if("string"==typeof e)return o.createTextNode(e);var t=getElem(e.attr.id),n=u().getCurrentLayer();if(t&&e.element!==t.tagName&&(t.remove(),t=null),!t){var a=e.namespace||NS.SVG;t=o.createElementNS(a,e.element),n&&(h||n).append(t)}return e.curStyles&&assignAttributes(t,{fill:p.fill,stroke:p.stroke,"stroke-width":p.stroke_width,"stroke-dasharray":p.stroke_dasharray,"stroke-linejoin":p.stroke_linejoin,"stroke-linecap":p.stroke_linecap,"stroke-opacity":p.stroke_opacity,"fill-opacity":p.fill_opacity,opacity:p.opacity/2,style:"pointer-events:inherit"},100),assignAttributes(t,e.attr,100),cleanupElement(t),e.children&&e.children.forEach(function(e){t.append(v(e))}),t};i.getTransformList=getTransformList,i.matrixMultiply=matrixMultiply,i.hasMatrixTransform=hasMatrixTransform,i.transformListToTransform=transformListToTransform;var _=function(){return a.baseUnit};init({getBaseUnit:_,getElement:getElem,getHeight:function(){return l.getAttribute("height")/d},getWidth:function(){return l.getAttribute("width")/d},getRoundDigits:function(){return H.round_digits}}),i.convertToNum=convertToNum;var b=function(){return l},y=this.getSelectedElems=function(){return f},x=pathActions,C=function(){return s};init$2({pathActions:x,getSVGContent:b,addSVGElementFromJson:v,getSelectedElements:y,getDOMDocument:function(){return o},getDOMContainer:function(){return t},getSVGRoot:C,getBaseUnit:_,getSnappingStep:function(){return a.snappingStep}}),i.findDefs=findDefs,i.getUrlFromAttr=getUrlFromAttr,i.getHref=getHref,i.setHref=setHref,i.getBBox=getBBox,i.getRotationAngle=getRotationAngle,i.getElem=getElem,i.getRefElem=getRefElem,i.assignAttributes=assignAttributes,this.cleanupElement=cleanupElement;var S=function(){return a.gridSnapping};init$4({getDrawing:function(){return u()},getSVGRoot:C,getGridSnapping:S}),this.remapElement=remapElement,init$5({getSVGRoot:C,getStartTransform:function(){return K},setStartTransform:function(e){K=e}}),this.recalculateDimensions=recalculateDimensions;var w=getReverseNS();i.sanitizeSvg=sanitizeSvg;var $=i.undoMgr=new UndoManager$1({handleHistoryEvent:function(e,t){var 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t=svgCanvas.importSvgString(e.target.result,!0);svgCanvas.ungroupSelectedElement(),svgCanvas.ungroupSelectedElement(),svgCanvas.groupSelectedElements(),svgCanvas.alignSelectedElements("m","page"),svgCanvas.alignSelectedElements("c","page"),svgCanvas.selectOnly([t]),$$b("#dialog_box").hide()},t.readAsText(n)):((t=new FileReader).onloadend=function(e){var t=e.target.result,n=100,a=100,r=new Image;r.style.opacity=0,r.onload=function(){var 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FileReader;n.onloadend=function(e){loadSvgString(e.target.result),j()},n.readAsText(e.files[0])}})});$$b("#tool_open").show().prepend(Xt);var Qt=$$b('<input type="file">').change(Yt);$$b("#tool_import").show().prepend(Qt)}j(!0);var Kt=editor.setLang=function(e,t){if(editor.langChanged=!0,$$b.pref("lang",e),$$b("#lang_select").val(e),t){$$b.extend(uiStrings$1,t);var n=$$b("#layerlist tr.layersel td.layername").text()===uiStrings$1.common.layer+" 1";if(svgCanvas.setUiStrings(t),zt.setTitles(),n&&(svgCanvas.renameCurrentLayer(uiStrings$1.common.layer+" 1"),k()),ae.length)for(;ae.length;){var a=ae.shift();a.langReady({lang:e,uiStrings:uiStrings$1,importLocale:getImportLocale({defaultLang:e,defaultName:a.name})})}else svgCanvas.runExtensions("langReady",{lang:e,uiStrings:uiStrings$1});svgCanvas.runExtensions("langChanged",e),Z();$$b.each({"#stroke_color":"#tool_stroke .icon_label, #tool_stroke .color_block","#fill_color":"#tool_fill label, #tool_fill .color_block","#linejoin_miter":"#cur_linejoin","#linecap_butt":"#cur_linecap"},function(e,t){$$b(t).attr("title",$$b(e)[0].title)}),$$b("#multiselected_panel div[id^=tool_align]").each(function(){$$b("#tool_pos"+this.id.substr(10))[0].title=this.title})}};init$7({addLangData:function(e){return svgCanvas.runExtensions("addLangData",function(t){return{lang:e,importLocale:getImportLocale({defaultLang:e,defaultName:t})}},!0)},curConfig:curConfig}),"file:"===document.location.protocol?setTimeout(a,100):a()},editor.ready=function(e){isReady?e():callbacks.push(e)},editor.runCallbacks=function(){callbacks.forEach(function(e){e()}),isReady=!0},editor.loadFromString=function(e){editor.ready(function(){loadSvgString(e)})},editor.disableUI=function(e){},editor.loadFromURL=function(e,t){t||(t={});var n=t,a=n.cache,r=n.callback;editor.ready(function(){$$b.ajax({url:e,dataType:"text",cache:!!a,beforeSend:function(){$$b.process_cancel(uiStrings$1.notification.loadingImage)},success:function(e){loadSvgString(e,r)},error:function(e,t,n){404!==e.status&&e.responseText?loadSvgString(e.responseText,r):$$b.alert(uiStrings$1.notification.URLloadFail+": \n"+n,r)},complete:function(){$$b("#dialog_box").hide()}})})},editor.loadFromDataURI=function(e){editor.ready(function(){var t=!1,n=e.match(/^data:image\/svg\+xml;base64,/);n?t=!0:n=e.match(/^data:image\/svg\+xml(?:;(?:utf8)?)?,/),n&&(n=n[0]);var a=e.slice(n.length);loadSvgString(t?decode64(a):decodeURIComponent(a))})},editor.addExtension=function(e,t,n){if(!svgCanvas)throw new Error("Extension added too early");return svgCanvas.addExtension.call(this,e,t,n)},editor.ready(function(){injectExtendedContextMenuItemsIntoDom()});var extensionsAdded=!1,messageQueue=[],messageListener=function(e){var t={data:e.data,origin:e.origin};extensionsAdded?svgCanvas.call("message",t):messageQueue.push(t)};window.addEventListener("message",messageListener),Promise.resolve().then(function(){editor.init()});export default editor;
 //# sourceMappingURL=index-es.min.js.map
diff --git a/dist/index-es.min.js.map b/dist/index-es.min.js.map
index 6f9813ce..a5a9866d 100644
--- a/dist/index-es.min.js.map
+++ b/dist/index-es.min.js.map
@@ -1 +1 @@
-{"version":3,"file":"index-es.min.js","sources":["../editor/touch.js","../editor/namespaces.js","../editor/svgpathseg.js","../editor/browser.js","../editor/jQuery.attr.js","../editor/svgtransformlist.js","../editor/units.js","../editor/history.js","../editor/math.js","../editor/path.js","../editor/utilities.js","../editor/contextmenu.js","../editor/external/dynamic-import-polyfill/importModule.js","../editor/layer.js","../editor/historyrecording.js","../editor/draw.js","../editor/sanitize.js","../editor/coords.js","../editor/recalculate.js","../editor/select.js","../editor/svgcanvas.js","../editor/js-hotkeys/jquery.hotkeys.min.js","../editor/jquerybbq/jquery.bbq.min.js","../editor/svgicons/jQuery.svgIcons.js","../editor/jgraduate/jQuery.jGraduate.js","../editor/spinbtn/jQuery.SpinButton.js","../editor/contextmenu/jQuery.contextMenu.js","../editor/jgraduate/jQuery.jPicker.js","../editor/locale/locale.js","../editor/external/load-stylesheets/index-es.js","../editor/svg-editor.js"],"sourcesContent":["// http://ross.posterous.com/2008/08/19/iphone-touch-events-in-javascript/\nfunction touchHandler (ev) {\n  const {changedTouches} = ev,\n    first = changedTouches[0];\n\n  let type = '';\n  switch (ev.type) {\n  case 'touchstart': type = 'mousedown'; break;\n  case 'touchmove': type = 'mousemove'; break;\n  case 'touchend': type = 'mouseup'; break;\n  default: return;\n  }\n\n  const {screenX, screenY, clientX, clientY} = first;\n  const simulatedEvent = new MouseEvent(type, {\n    // Event interface\n    bubbles: true,\n    cancelable: true,\n    // UIEvent interface\n    view: window,\n    detail: 1, // click count\n    // MouseEvent interface (customized)\n    screenX, screenY, clientX, clientY,\n    // MouseEvent interface (defaults) - these could be removed\n    ctrlKey: false,\n    altKey: false,\n    shiftKey: false,\n    metaKey: false,\n    button: 0, // main button (usually left)\n    relatedTarget: null\n  });\n  if (changedTouches.length < 2) {\n    first.target.dispatchEvent(simulatedEvent);\n    ev.preventDefault();\n  }\n}\n\ndocument.addEventListener('touchstart', touchHandler, true);\ndocument.addEventListener('touchmove', touchHandler, true);\ndocument.addEventListener('touchend', touchHandler, true);\ndocument.addEventListener('touchcancel', touchHandler, true);\n","/**\n * Namespaces or tools therefor\n * @module namespaces\n * @license MIT\n*/\n\n/**\n* Common namepaces constants in alpha order\n* @enum {string}\n* @type {PlainObject}\n* @memberof module:namespaces\n*/\nexport const NS = {\n  HTML: 'http://www.w3.org/1999/xhtml',\n  MATH: 'http://www.w3.org/1998/Math/MathML',\n  SE: 'http://svg-edit.googlecode.com',\n  SVG: 'http://www.w3.org/2000/svg',\n  XLINK: 'http://www.w3.org/1999/xlink',\n  XML: 'http://www.w3.org/XML/1998/namespace',\n  XMLNS: 'http://www.w3.org/2000/xmlns/' // see http://www.w3.org/TR/REC-xml-names/#xmlReserved\n};\n\n/**\n* @function module:namespaces.getReverseNS\n* @returns {string} The NS with key values switched and lowercase\n*/\nexport const getReverseNS = function () {\n  const reverseNS = {};\n  Object.entries(NS).forEach(([name, URI]) => {\n    reverseNS[URI] = name.toLowerCase();\n  });\n  return reverseNS;\n};\n","/* globals SVGPathSeg, SVGPathSegMovetoRel, SVGPathSegMovetoAbs,\n    SVGPathSegMovetoRel, SVGPathSegLinetoRel, SVGPathSegLinetoAbs,\n    SVGPathSegLinetoHorizontalRel, SVGPathSegLinetoHorizontalAbs,\n    SVGPathSegLinetoVerticalRel, SVGPathSegLinetoVerticalAbs,\n    SVGPathSegClosePath, SVGPathSegCurvetoCubicRel,\n    SVGPathSegCurvetoCubicAbs, SVGPathSegCurvetoCubicSmoothRel,\n    SVGPathSegCurvetoCubicSmoothAbs, SVGPathSegCurvetoQuadraticRel,\n    SVGPathSegCurvetoQuadraticAbs, SVGPathSegCurvetoQuadraticSmoothRel,\n    SVGPathSegCurvetoQuadraticSmoothAbs, SVGPathSegArcRel, SVGPathSegArcAbs */\n/**\n* SVGPathSeg API polyfill\n* https://github.com/progers/pathseg\n*\n* This is a drop-in replacement for the `SVGPathSeg` and `SVGPathSegList` APIs\n* that were removed from SVG2 ({@link https://lists.w3.org/Archives/Public/www-svg/2015Jun/0044.html}),\n* including the latest spec changes which were implemented in Firefox 43 and\n* Chrome 46.\n*/\n(() => {\nif (!('SVGPathSeg' in window)) {\n  // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSeg\n  class SVGPathSeg {\n    constructor (type, typeAsLetter, owningPathSegList) {\n      this.pathSegType = type;\n      this.pathSegTypeAsLetter = typeAsLetter;\n      this._owningPathSegList = owningPathSegList;\n    }\n    // Notify owning PathSegList on any changes so they can be synchronized back to the path element.\n    _segmentChanged () {\n      if (this._owningPathSegList) {\n        this._owningPathSegList.segmentChanged(this);\n      }\n    }\n  }\n  SVGPathSeg.prototype.classname = 'SVGPathSeg';\n\n  SVGPathSeg.PATHSEG_UNKNOWN = 0;\n  SVGPathSeg.PATHSEG_CLOSEPATH = 1;\n  SVGPathSeg.PATHSEG_MOVETO_ABS = 2;\n  SVGPathSeg.PATHSEG_MOVETO_REL = 3;\n  SVGPathSeg.PATHSEG_LINETO_ABS = 4;\n  SVGPathSeg.PATHSEG_LINETO_REL = 5;\n  SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS = 6;\n  SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL = 7;\n  SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS = 8;\n  SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL = 9;\n  SVGPathSeg.PATHSEG_ARC_ABS = 10;\n  SVGPathSeg.PATHSEG_ARC_REL = 11;\n  SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS = 12;\n  SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL = 13;\n  SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS = 14;\n  SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL = 15;\n  SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS = 16;\n  SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL = 17;\n  SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = 18;\n  SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = 19;\n\n  class SVGPathSegClosePath extends SVGPathSeg {\n    constructor (owningPathSegList) {\n      super(SVGPathSeg.PATHSEG_CLOSEPATH, 'z', owningPathSegList);\n    }\n    toString () { return '[object SVGPathSegClosePath]'; }\n    _asPathString () { return this.pathSegTypeAsLetter; }\n    clone () { return new SVGPathSegClosePath(undefined); }\n  }\n\n  class SVGPathSegMovetoAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_MOVETO_ABS, 'M', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegMovetoAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegMovetoAbs(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegMovetoAbs.prototype, {\n    x: {\n      get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true\n    },\n    y: {\n      get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true\n    }\n  });\n\n  class SVGPathSegMovetoRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_MOVETO_REL, 'm', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegMovetoRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegMovetoRel(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegMovetoRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegLinetoAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_LINETO_ABS, 'L', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegLinetoAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegLinetoAbs(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegLinetoAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegLinetoRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_LINETO_REL, 'l', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegLinetoRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegLinetoRel(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegLinetoRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoCubicAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x1, y1, x2, y2) {\n      super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, 'C', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x1 = x1;\n      this._y1 = y1;\n      this._x2 = x2;\n      this._y2 = y2;\n    }\n    toString () { return '[object SVGPathSegCurvetoCubicAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoCubicAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x1: {get () { return this._x1; }, set (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true},\n    y1: {get () { return this._y1; }, set (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true},\n    x2: {get () { return this._x2; }, set (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true},\n    y2: {get () { return this._y2; }, set (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoCubicRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x1, y1, x2, y2) {\n      super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, 'c', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x1 = x1;\n      this._y1 = y1;\n      this._x2 = x2;\n      this._y2 = y2;\n    }\n    toString () { return '[object SVGPathSegCurvetoCubicRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoCubicRel(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoCubicRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x1: {get () { return this._x1; }, set (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true},\n    y1: {get () { return this._y1; }, set (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true},\n    x2: {get () { return this._x2; }, set (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true},\n    y2: {get () { return this._y2; }, set (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoQuadraticAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x1, y1) {\n      super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, 'Q', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x1 = x1;\n      this._y1 = y1;\n    }\n    toString () { return '[object SVGPathSegCurvetoQuadraticAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoQuadraticAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x1: {get () { return this._x1; }, set (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true},\n    y1: {get () { return this._y1; }, set (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoQuadraticRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x1, y1) {\n      super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, 'q', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x1 = x1;\n      this._y1 = y1;\n    }\n    toString () { return '[object SVGPathSegCurvetoQuadraticRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoQuadraticRel(undefined, this._x, this._y, this._x1, this._y1); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoQuadraticRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x1: {get () { return this._x1; }, set (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true},\n    y1: {get () { return this._y1; }, set (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegArcAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {\n      super(SVGPathSeg.PATHSEG_ARC_ABS, 'A', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._r1 = r1;\n      this._r2 = r2;\n      this._angle = angle;\n      this._largeArcFlag = largeArcFlag;\n      this._sweepFlag = sweepFlag;\n    }\n    toString () { return '[object SVGPathSegArcAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag); }\n  }\n  Object.defineProperties(SVGPathSegArcAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    r1: {get () { return this._r1; }, set (r1) { this._r1 = r1; this._segmentChanged(); }, enumerable: true},\n    r2: {get () { return this._r2; }, set (r2) { this._r2 = r2; this._segmentChanged(); }, enumerable: true},\n    angle: {get () { return this._angle; }, set (angle) { this._angle = angle; this._segmentChanged(); }, enumerable: true},\n    largeArcFlag: {get () { return this._largeArcFlag; }, set (largeArcFlag) { this._largeArcFlag = largeArcFlag; this._segmentChanged(); }, enumerable: true},\n    sweepFlag: {get () { return this._sweepFlag; }, set (sweepFlag) { this._sweepFlag = sweepFlag; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegArcRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {\n      super(SVGPathSeg.PATHSEG_ARC_REL, 'a', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._r1 = r1;\n      this._r2 = r2;\n      this._angle = angle;\n      this._largeArcFlag = largeArcFlag;\n      this._sweepFlag = sweepFlag;\n    }\n    toString () { return '[object SVGPathSegArcRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegArcRel(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag); }\n  }\n  Object.defineProperties(SVGPathSegArcRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    r1: {get () { return this._r1; }, set (r1) { this._r1 = r1; this._segmentChanged(); }, enumerable: true},\n    r2: {get () { return this._r2; }, set (r2) { this._r2 = r2; this._segmentChanged(); }, enumerable: true},\n    angle: {get () { return this._angle; }, set (angle) { this._angle = angle; this._segmentChanged(); }, enumerable: true},\n    largeArcFlag: {get () { return this._largeArcFlag; }, set (largeArcFlag) { this._largeArcFlag = largeArcFlag; this._segmentChanged(); }, enumerable: true},\n    sweepFlag: {get () { return this._sweepFlag; }, set (sweepFlag) { this._sweepFlag = sweepFlag; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegLinetoHorizontalAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x) {\n      super(SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, 'H', owningPathSegList);\n      this._x = x;\n    }\n    toString () { return '[object SVGPathSegLinetoHorizontalAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x; }\n    clone () { return new SVGPathSegLinetoHorizontalAbs(undefined, this._x); }\n  }\n  Object.defineProperty(SVGPathSegLinetoHorizontalAbs.prototype, 'x', {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true});\n\n  class SVGPathSegLinetoHorizontalRel extends SVGPathSeg {\n    constructor (owningPathSegList, x) {\n      super(SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, 'h', owningPathSegList);\n      this._x = x;\n    }\n    toString () { return '[object SVGPathSegLinetoHorizontalRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x; }\n    clone () { return new SVGPathSegLinetoHorizontalRel(undefined, this._x); }\n  }\n  Object.defineProperty(SVGPathSegLinetoHorizontalRel.prototype, 'x', {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true});\n\n  class SVGPathSegLinetoVerticalAbs extends SVGPathSeg {\n    constructor (owningPathSegList, y) {\n      super(SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, 'V', owningPathSegList);\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegLinetoVerticalAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._y; }\n    clone () { return new SVGPathSegLinetoVerticalAbs(undefined, this._y); }\n  }\n  Object.defineProperty(SVGPathSegLinetoVerticalAbs.prototype, 'y', {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true});\n\n  class SVGPathSegLinetoVerticalRel extends SVGPathSeg {\n    constructor (owningPathSegList, y) {\n      super(SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, 'v', owningPathSegList);\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegLinetoVerticalRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._y; }\n    clone () { return new SVGPathSegLinetoVerticalRel(undefined, this._y); }\n  }\n  Object.defineProperty(SVGPathSegLinetoVerticalRel.prototype, 'y', {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true});\n\n  class SVGPathSegCurvetoCubicSmoothAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x2, y2) {\n      super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, 'S', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x2 = x2;\n      this._y2 = y2;\n    }\n    toString () { return '[object SVGPathSegCurvetoCubicSmoothAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoCubicSmoothAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x2: {get () { return this._x2; }, set (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true},\n    y2: {get () { return this._y2; }, set (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoCubicSmoothRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x2, y2) {\n      super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, 's', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x2 = x2;\n      this._y2 = y2;\n    }\n    toString () { return '[object SVGPathSegCurvetoCubicSmoothRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoCubicSmoothRel(undefined, this._x, this._y, this._x2, this._y2); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoCubicSmoothRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x2: {get () { return this._x2; }, set (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true},\n    y2: {get () { return this._y2; }, set (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoQuadraticSmoothAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, 'T', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegCurvetoQuadraticSmoothAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoQuadraticSmoothAbs(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoQuadraticSmoothAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoQuadraticSmoothRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, 't', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegCurvetoQuadraticSmoothRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoQuadraticSmoothRel(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoQuadraticSmoothRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  // Add createSVGPathSeg* functions to SVGPathElement.\n  // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathElement.\n  SVGPathElement.prototype.createSVGPathSegClosePath = function () { return new SVGPathSegClosePath(undefined); };\n  SVGPathElement.prototype.createSVGPathSegMovetoAbs = function (x, y) { return new SVGPathSegMovetoAbs(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegMovetoRel = function (x, y) { return new SVGPathSegMovetoRel(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegLinetoAbs = function (x, y) { return new SVGPathSegLinetoAbs(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegLinetoRel = function (x, y) { return new SVGPathSegLinetoRel(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoCubicAbs = function (x, y, x1, y1, x2, y2) { return new SVGPathSegCurvetoCubicAbs(undefined, x, y, x1, y1, x2, y2); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoCubicRel = function (x, y, x1, y1, x2, y2) { return new SVGPathSegCurvetoCubicRel(undefined, x, y, x1, y1, x2, y2); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticAbs = function (x, y, x1, y1) { return new SVGPathSegCurvetoQuadraticAbs(undefined, x, y, x1, y1); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticRel = function (x, y, x1, y1) { return new SVGPathSegCurvetoQuadraticRel(undefined, x, y, x1, y1); };\n  SVGPathElement.prototype.createSVGPathSegArcAbs = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) { return new SVGPathSegArcAbs(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag); };\n  SVGPathElement.prototype.createSVGPathSegArcRel = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) { return new SVGPathSegArcRel(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag); };\n  SVGPathElement.prototype.createSVGPathSegLinetoHorizontalAbs = function (x) { return new SVGPathSegLinetoHorizontalAbs(undefined, x); };\n  SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel = function (x) { return new SVGPathSegLinetoHorizontalRel(undefined, x); };\n  SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs = function (y) { return new SVGPathSegLinetoVerticalAbs(undefined, y); };\n  SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel = function (y) { return new SVGPathSegLinetoVerticalRel(undefined, y); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs = function (x, y, x2, y2) { return new SVGPathSegCurvetoCubicSmoothAbs(undefined, x, y, x2, y2); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel = function (x, y, x2, y2) { return new SVGPathSegCurvetoCubicSmoothRel(undefined, x, y, x2, y2); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs = function (x, y) { return new SVGPathSegCurvetoQuadraticSmoothAbs(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel = function (x, y) { return new SVGPathSegCurvetoQuadraticSmoothRel(undefined, x, y); };\n\n  if (!('getPathSegAtLength' in SVGPathElement.prototype)) {\n    // Add getPathSegAtLength to SVGPathElement.\n    // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-__svg__SVGPathElement__getPathSegAtLength\n    // This polyfill requires SVGPathElement.getTotalLength to implement the distance-along-a-path algorithm.\n    SVGPathElement.prototype.getPathSegAtLength = function (distance) {\n      if (distance === undefined || !isFinite(distance)) {\n        throw new Error('Invalid arguments.');\n      }\n\n      const measurementElement = document.createElementNS('http://www.w3.org/2000/svg', 'path');\n      measurementElement.setAttribute('d', this.getAttribute('d'));\n      let lastPathSegment = measurementElement.pathSegList.numberOfItems - 1;\n\n      // If the path is empty, return 0.\n      if (lastPathSegment <= 0) {\n        return 0;\n      }\n\n      do {\n        measurementElement.pathSegList.removeItem(lastPathSegment);\n        if (distance > measurementElement.getTotalLength()) {\n          break;\n        }\n        lastPathSegment--;\n      } while (lastPathSegment > 0);\n      return lastPathSegment;\n    };\n  }\n\n  window.SVGPathSeg = SVGPathSeg;\n  window.SVGPathSegClosePath = SVGPathSegClosePath;\n  window.SVGPathSegMovetoAbs = SVGPathSegMovetoAbs;\n  window.SVGPathSegMovetoRel = SVGPathSegMovetoRel;\n  window.SVGPathSegLinetoAbs = SVGPathSegLinetoAbs;\n  window.SVGPathSegLinetoRel = SVGPathSegLinetoRel;\n  window.SVGPathSegCurvetoCubicAbs = SVGPathSegCurvetoCubicAbs;\n  window.SVGPathSegCurvetoCubicRel = SVGPathSegCurvetoCubicRel;\n  window.SVGPathSegCurvetoQuadraticAbs = SVGPathSegCurvetoQuadraticAbs;\n  window.SVGPathSegCurvetoQuadraticRel = SVGPathSegCurvetoQuadraticRel;\n  window.SVGPathSegArcAbs = SVGPathSegArcAbs;\n  window.SVGPathSegArcRel = SVGPathSegArcRel;\n  window.SVGPathSegLinetoHorizontalAbs = SVGPathSegLinetoHorizontalAbs;\n  window.SVGPathSegLinetoHorizontalRel = SVGPathSegLinetoHorizontalRel;\n  window.SVGPathSegLinetoVerticalAbs = SVGPathSegLinetoVerticalAbs;\n  window.SVGPathSegLinetoVerticalRel = SVGPathSegLinetoVerticalRel;\n  window.SVGPathSegCurvetoCubicSmoothAbs = SVGPathSegCurvetoCubicSmoothAbs;\n  window.SVGPathSegCurvetoCubicSmoothRel = SVGPathSegCurvetoCubicSmoothRel;\n  window.SVGPathSegCurvetoQuadraticSmoothAbs = SVGPathSegCurvetoQuadraticSmoothAbs;\n  window.SVGPathSegCurvetoQuadraticSmoothRel = SVGPathSegCurvetoQuadraticSmoothRel;\n}\n\n// Checking for SVGPathSegList in window checks for the case of an implementation without the\n// SVGPathSegList API.\n// The second check for appendItem is specific to Firefox 59+ which removed only parts of the\n// SVGPathSegList API (e.g., appendItem). In this case we need to re-implement the entire API\n// so the polyfill data (i.e., _list) is used throughout.\nif (!('SVGPathSegList' in window) || !('appendItem' in window.SVGPathSegList.prototype)) {\n  // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSegList\n  class SVGPathSegList {\n    constructor (pathElement) {\n      this._pathElement = pathElement;\n      this._list = this._parsePath(this._pathElement.getAttribute('d'));\n\n      // Use a MutationObserver to catch changes to the path's \"d\" attribute.\n      this._mutationObserverConfig = {attributes: true, attributeFilter: ['d']};\n      this._pathElementMutationObserver = new MutationObserver(this._updateListFromPathMutations.bind(this));\n      this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);\n    }\n    // Process any pending mutations to the path element and update the list as needed.\n    // This should be the first call of all public functions and is needed because\n    // MutationObservers are not synchronous so we can have pending asynchronous mutations.\n    _checkPathSynchronizedToList () {\n      this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords());\n    }\n\n    _updateListFromPathMutations (mutationRecords) {\n      if (!this._pathElement) {\n        return;\n      }\n      let hasPathMutations = false;\n      mutationRecords.forEach((record) => {\n        if (record.attributeName === 'd') {\n          hasPathMutations = true;\n        }\n      });\n      if (hasPathMutations) {\n        this._list = this._parsePath(this._pathElement.getAttribute('d'));\n      }\n    }\n\n    // Serialize the list and update the path's 'd' attribute.\n    _writeListToPath () {\n      this._pathElementMutationObserver.disconnect();\n      this._pathElement.setAttribute('d', SVGPathSegList._pathSegArrayAsString(this._list));\n      this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);\n    }\n\n    // When a path segment changes the list needs to be synchronized back to the path element.\n    segmentChanged (pathSeg) {\n      this._writeListToPath();\n    }\n\n    clear () {\n      this._checkPathSynchronizedToList();\n\n      this._list.forEach((pathSeg) => {\n        pathSeg._owningPathSegList = null;\n      });\n      this._list = [];\n      this._writeListToPath();\n    }\n\n    initialize (newItem) {\n      this._checkPathSynchronizedToList();\n\n      this._list = [newItem];\n      newItem._owningPathSegList = this;\n      this._writeListToPath();\n      return newItem;\n    }\n\n    _checkValidIndex (index) {\n      if (isNaN(index) || index < 0 || index >= this.numberOfItems) {\n        throw new Error('INDEX_SIZE_ERR');\n      }\n    }\n\n    getItem (index) {\n      this._checkPathSynchronizedToList();\n\n      this._checkValidIndex(index);\n      return this._list[index];\n    }\n\n    insertItemBefore (newItem, index) {\n      this._checkPathSynchronizedToList();\n\n      // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.\n      if (index > this.numberOfItems) {\n        index = this.numberOfItems;\n      }\n      if (newItem._owningPathSegList) {\n        // SVG2 spec says to make a copy.\n        newItem = newItem.clone();\n      }\n      this._list.splice(index, 0, newItem);\n      newItem._owningPathSegList = this;\n      this._writeListToPath();\n      return newItem;\n    }\n\n    replaceItem (newItem, index) {\n      this._checkPathSynchronizedToList();\n\n      if (newItem._owningPathSegList) {\n        // SVG2 spec says to make a copy.\n        newItem = newItem.clone();\n      }\n      this._checkValidIndex(index);\n      this._list[index] = newItem;\n      newItem._owningPathSegList = this;\n      this._writeListToPath();\n      return newItem;\n    }\n\n    removeItem (index) {\n      this._checkPathSynchronizedToList();\n\n      this._checkValidIndex(index);\n      const item = this._list[index];\n      this._list.splice(index, 1);\n      this._writeListToPath();\n      return item;\n    }\n\n    appendItem (newItem) {\n      this._checkPathSynchronizedToList();\n\n      if (newItem._owningPathSegList) {\n        // SVG2 spec says to make a copy.\n        newItem = newItem.clone();\n      }\n      this._list.push(newItem);\n      newItem._owningPathSegList = this;\n      // TODO: Optimize this to just append to the existing attribute.\n      this._writeListToPath();\n      return newItem;\n    }\n\n    // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.\n    _parsePath (string) {\n      if (!string || !string.length) {\n        return [];\n      }\n\n      const owningPathSegList = this;\n\n      class Builder {\n        constructor () {\n          this.pathSegList = [];\n        }\n        appendSegment (pathSeg) {\n          this.pathSegList.push(pathSeg);\n        }\n      }\n\n      class Source {\n        constructor (string) {\n          this._string = string;\n          this._currentIndex = 0;\n          this._endIndex = this._string.length;\n          this._previousCommand = SVGPathSeg.PATHSEG_UNKNOWN;\n\n          this._skipOptionalSpaces();\n        }\n        _isCurrentSpace () {\n          const character = this._string[this._currentIndex];\n          return character <= ' ' && (character === ' ' || character === '\\n' || character === '\\t' || character === '\\r' || character === '\\f');\n        }\n\n        _skipOptionalSpaces () {\n          while (this._currentIndex < this._endIndex && this._isCurrentSpace()) {\n            this._currentIndex++;\n          }\n          return this._currentIndex < this._endIndex;\n        }\n\n        _skipOptionalSpacesOrDelimiter () {\n          if (this._currentIndex < this._endIndex && !this._isCurrentSpace() && this._string.charAt(this._currentIndex) !== ',') {\n            return false;\n          }\n          if (this._skipOptionalSpaces()) {\n            if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === ',') {\n              this._currentIndex++;\n              this._skipOptionalSpaces();\n            }\n          }\n          return this._currentIndex < this._endIndex;\n        }\n\n        hasMoreData () {\n          return this._currentIndex < this._endIndex;\n        }\n\n        peekSegmentType () {\n          const lookahead = this._string[this._currentIndex];\n          return this._pathSegTypeFromChar(lookahead);\n        }\n\n        _pathSegTypeFromChar (lookahead) {\n          switch (lookahead) {\n          case 'Z':\n          case 'z':\n            return SVGPathSeg.PATHSEG_CLOSEPATH;\n          case 'M':\n            return SVGPathSeg.PATHSEG_MOVETO_ABS;\n          case 'm':\n            return SVGPathSeg.PATHSEG_MOVETO_REL;\n          case 'L':\n            return SVGPathSeg.PATHSEG_LINETO_ABS;\n          case 'l':\n            return SVGPathSeg.PATHSEG_LINETO_REL;\n          case 'C':\n            return SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;\n          case 'c':\n            return SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;\n          case 'Q':\n            return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;\n          case 'q':\n            return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;\n          case 'A':\n            return SVGPathSeg.PATHSEG_ARC_ABS;\n          case 'a':\n            return SVGPathSeg.PATHSEG_ARC_REL;\n          case 'H':\n            return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;\n          case 'h':\n            return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;\n          case 'V':\n            return SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;\n          case 'v':\n            return SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;\n          case 'S':\n            return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;\n          case 's':\n            return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;\n          case 'T':\n            return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;\n          case 't':\n            return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;\n          default:\n            return SVGPathSeg.PATHSEG_UNKNOWN;\n          }\n        }\n\n        _nextCommandHelper (lookahead, previousCommand) {\n          // Check for remaining coordinates in the current command.\n          if ((lookahead === '+' || lookahead === '-' || lookahead === '.' || (lookahead >= '0' && lookahead <= '9')) && previousCommand !== SVGPathSeg.PATHSEG_CLOSEPATH) {\n            if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_ABS) {\n              return SVGPathSeg.PATHSEG_LINETO_ABS;\n            }\n            if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_REL) {\n              return SVGPathSeg.PATHSEG_LINETO_REL;\n            }\n            return previousCommand;\n          }\n          return SVGPathSeg.PATHSEG_UNKNOWN;\n        }\n\n        initialCommandIsMoveTo () {\n          // If the path is empty it is still valid, so return true.\n          if (!this.hasMoreData()) {\n            return true;\n          }\n          const command = this.peekSegmentType();\n          // Path must start with moveTo.\n          return command === SVGPathSeg.PATHSEG_MOVETO_ABS || command === SVGPathSeg.PATHSEG_MOVETO_REL;\n        }\n\n        // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.\n        // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-PathDataBNF\n        _parseNumber () {\n          let exponent = 0;\n          let integer = 0;\n          let frac = 1;\n          let decimal = 0;\n          let sign = 1;\n          let expsign = 1;\n\n          const startIndex = this._currentIndex;\n\n          this._skipOptionalSpaces();\n\n          // Read the sign.\n          if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '+') {\n            this._currentIndex++;\n          } else if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '-') {\n            this._currentIndex++;\n            sign = -1;\n          }\n\n          if (this._currentIndex === this._endIndex || ((this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') && this._string.charAt(this._currentIndex) !== '.')) {\n            // The first character of a number must be one of [0-9+-.].\n            return undefined;\n          }\n\n          // Read the integer part, build right-to-left.\n          const startIntPartIndex = this._currentIndex;\n          while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {\n            this._currentIndex++; // Advance to first non-digit.\n          }\n\n          if (this._currentIndex !== startIntPartIndex) {\n            let scanIntPartIndex = this._currentIndex - 1;\n            let multiplier = 1;\n            while (scanIntPartIndex >= startIntPartIndex) {\n              integer += multiplier * (this._string.charAt(scanIntPartIndex--) - '0');\n              multiplier *= 10;\n            }\n          }\n\n          // Read the decimals.\n          if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '.') {\n            this._currentIndex++;\n\n            // There must be a least one digit following the .\n            if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {\n              return undefined;\n            }\n            while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {\n              frac *= 10;\n              decimal += (this._string.charAt(this._currentIndex) - '0') / frac;\n              this._currentIndex += 1;\n            }\n          }\n\n          // Read the exponent part.\n          if (this._currentIndex !== startIndex && this._currentIndex + 1 < this._endIndex && (this._string.charAt(this._currentIndex) === 'e' || this._string.charAt(this._currentIndex) === 'E') && (this._string.charAt(this._currentIndex + 1) !== 'x' && this._string.charAt(this._currentIndex + 1) !== 'm')) {\n            this._currentIndex++;\n\n            // Read the sign of the exponent.\n            if (this._string.charAt(this._currentIndex) === '+') {\n              this._currentIndex++;\n            } else if (this._string.charAt(this._currentIndex) === '-') {\n              this._currentIndex++;\n              expsign = -1;\n            }\n\n            // There must be an exponent.\n            if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {\n              return undefined;\n            }\n\n            while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {\n              exponent *= 10;\n              exponent += (this._string.charAt(this._currentIndex) - '0');\n              this._currentIndex++;\n            }\n          }\n\n          let number = integer + decimal;\n          number *= sign;\n\n          if (exponent) {\n            number *= Math.pow(10, expsign * exponent);\n          }\n\n          if (startIndex === this._currentIndex) {\n            return undefined;\n          }\n\n          this._skipOptionalSpacesOrDelimiter();\n\n          return number;\n        }\n\n        _parseArcFlag () {\n          if (this._currentIndex >= this._endIndex) {\n            return undefined;\n          }\n          let flag = false;\n          const flagChar = this._string.charAt(this._currentIndex++);\n          if (flagChar === '0') {\n            flag = false;\n          } else if (flagChar === '1') {\n            flag = true;\n          } else {\n            return undefined;\n          }\n\n          this._skipOptionalSpacesOrDelimiter();\n          return flag;\n        }\n\n        parseSegment () {\n          const lookahead = this._string[this._currentIndex];\n          let command = this._pathSegTypeFromChar(lookahead);\n          if (command === SVGPathSeg.PATHSEG_UNKNOWN) {\n            // Possibly an implicit command. Not allowed if this is the first command.\n            if (this._previousCommand === SVGPathSeg.PATHSEG_UNKNOWN) {\n              return null;\n            }\n            command = this._nextCommandHelper(lookahead, this._previousCommand);\n            if (command === SVGPathSeg.PATHSEG_UNKNOWN) {\n              return null;\n            }\n          } else {\n            this._currentIndex++;\n          }\n\n          this._previousCommand = command;\n\n          switch (command) {\n          case SVGPathSeg.PATHSEG_MOVETO_REL:\n            return new SVGPathSegMovetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_MOVETO_ABS:\n            return new SVGPathSegMovetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_REL:\n            return new SVGPathSegLinetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_ABS:\n            return new SVGPathSegLinetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:\n            return new SVGPathSegLinetoHorizontalRel(owningPathSegList, this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:\n            return new SVGPathSegLinetoHorizontalAbs(owningPathSegList, this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:\n            return new SVGPathSegLinetoVerticalRel(owningPathSegList, this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:\n            return new SVGPathSegLinetoVerticalAbs(owningPathSegList, this._parseNumber());\n          case SVGPathSeg.PATHSEG_CLOSEPATH:\n            this._skipOptionalSpaces();\n            return new SVGPathSegClosePath(owningPathSegList);\n          case SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoCubicRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);\n          } case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoCubicAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);\n          } case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL: {\n            const points = {x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, points.x, points.y, points.x2, points.y2);\n          } case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS: {\n            const points = {x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, points.x, points.y, points.x2, points.y2);\n          } case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoQuadraticRel(owningPathSegList, points.x, points.y, points.x1, points.y1);\n          } case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoQuadraticAbs(owningPathSegList, points.x, points.y, points.x1, points.y1);\n          case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:\n            return new SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:\n            return new SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_ARC_REL: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegArcRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);\n          } case SVGPathSeg.PATHSEG_ARC_ABS: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegArcAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);\n          } default:\n            throw new Error('Unknown path seg type.');\n          }\n        }\n      }\n\n      const builder = new Builder();\n      const source = new Source(string);\n\n      if (!source.initialCommandIsMoveTo()) {\n        return [];\n      }\n      while (source.hasMoreData()) {\n        const pathSeg = source.parseSegment();\n        if (!pathSeg) {\n          return [];\n        }\n        builder.appendSegment(pathSeg);\n      }\n\n      return builder.pathSegList;\n    }\n  }\n\n  SVGPathSegList.prototype.classname = 'SVGPathSegList';\n\n  Object.defineProperty(SVGPathSegList.prototype, 'numberOfItems', {\n    get () {\n      this._checkPathSynchronizedToList();\n      return this._list.length;\n    },\n    enumerable: true\n  });\n\n  SVGPathSegList._pathSegArrayAsString = function (pathSegArray) {\n    let string = '';\n    let first = true;\n    pathSegArray.forEach((pathSeg) => {\n      if (first) {\n        first = false;\n        string += pathSeg._asPathString();\n      } else {\n        string += ' ' + pathSeg._asPathString();\n      }\n    });\n    return string;\n  };\n\n  // Add the pathSegList accessors to SVGPathElement.\n  // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGAnimatedPathData\n  Object.defineProperties(SVGPathElement.prototype, {\n    pathSegList: {\n      get () {\n        if (!this._pathSegList) {\n          this._pathSegList = new SVGPathSegList(this);\n        }\n        return this._pathSegList;\n      },\n      enumerable: true\n    },\n    // FIXME: The following are not implemented and simply return SVGPathElement.pathSegList.\n    normalizedPathSegList: {get () { return this.pathSegList; }, enumerable: true},\n    animatedPathSegList: {get () { return this.pathSegList; }, enumerable: true},\n    animatedNormalizedPathSegList: {get () { return this.pathSegList; }, enumerable: true}\n  });\n  window.SVGPathSegList = SVGPathSegList;\n}\n})();\n","/* globals jQuery */\n/**\n * Browser detection\n * @module browser\n * @license MIT\n *\n * @copyright 2010 Jeff Schiller, 2010 Alexis Deveria\n */\n\n// Dependencies:\n// 1) jQuery (for $.alert())\n\nimport './svgpathseg.js';\nimport {NS} from './namespaces.js';\n\nconst $ = jQuery;\n\nconst supportsSVG_ = (function () {\nreturn !!document.createElementNS && !!document.createElementNS(NS.SVG, 'svg').createSVGRect;\n}());\n\n/**\n * @function module:browser.supportsSvg\n * @returns {boolean}\n*/\nexport const supportsSvg = () => supportsSVG_;\n\nconst {userAgent} = navigator;\nconst svg = document.createElementNS(NS.SVG, 'svg');\n\n// Note: Browser sniffing should only be used if no other detection method is possible\nconst isOpera_ = !!window.opera;\nconst isWebkit_ = userAgent.includes('AppleWebKit');\nconst isGecko_ = userAgent.includes('Gecko/');\nconst isIE_ = userAgent.includes('MSIE');\nconst isChrome_ = userAgent.includes('Chrome/');\nconst isWindows_ = userAgent.includes('Windows');\nconst isMac_ = userAgent.includes('Macintosh');\nconst isTouch_ = 'ontouchstart' in window;\n\nconst supportsSelectors_ = (function () {\nreturn !!svg.querySelector;\n}());\n\nconst supportsXpath_ = (function () {\nreturn !!document.evaluate;\n}());\n\n// segList functions (for FF1.5 and 2.0)\nconst supportsPathReplaceItem_ = (function () {\nconst path = document.createElementNS(NS.SVG, 'path');\npath.setAttribute('d', 'M0,0 10,10');\nconst seglist = path.pathSegList;\nconst seg = path.createSVGPathSegLinetoAbs(5, 5);\ntry {\n  seglist.replaceItem(seg, 1);\n  return true;\n} catch (err) {}\nreturn false;\n}());\n\nconst supportsPathInsertItemBefore_ = (function () {\nconst path = document.createElementNS(NS.SVG, 'path');\npath.setAttribute('d', 'M0,0 10,10');\nconst seglist = path.pathSegList;\nconst seg = path.createSVGPathSegLinetoAbs(5, 5);\ntry {\n  seglist.insertItemBefore(seg, 1);\n  return true;\n} catch (err) {}\nreturn false;\n}());\n\n// text character positioning (for IE9)\nconst supportsGoodTextCharPos_ = (function () {\nconst svgroot = document.createElementNS(NS.SVG, 'svg');\nconst svgcontent = document.createElementNS(NS.SVG, 'svg');\ndocument.documentElement.append(svgroot);\nsvgcontent.setAttribute('x', 5);\nsvgroot.append(svgcontent);\nconst text = document.createElementNS(NS.SVG, 'text');\ntext.textContent = 'a';\nsvgcontent.append(text);\nconst pos = text.getStartPositionOfChar(0).x;\nsvgroot.remove();\nreturn (pos === 0);\n}());\n\nconst supportsPathBBox_ = (function () {\nconst svgcontent = document.createElementNS(NS.SVG, 'svg');\ndocument.documentElement.append(svgcontent);\nconst path = document.createElementNS(NS.SVG, 'path');\npath.setAttribute('d', 'M0,0 C0,0 10,10 10,0');\nsvgcontent.append(path);\nconst bbox = path.getBBox();\nsvgcontent.remove();\nreturn (bbox.height > 4 && bbox.height < 5);\n}());\n\n// Support for correct bbox sizing on groups with horizontal/vertical lines\nconst supportsHVLineContainerBBox_ = (function () {\nconst svgcontent = document.createElementNS(NS.SVG, 'svg');\ndocument.documentElement.append(svgcontent);\nconst path = document.createElementNS(NS.SVG, 'path');\npath.setAttribute('d', 'M0,0 10,0');\nconst path2 = document.createElementNS(NS.SVG, 'path');\npath2.setAttribute('d', 'M5,0 15,0');\nconst g = document.createElementNS(NS.SVG, 'g');\ng.append(path, path2);\nsvgcontent.append(g);\nconst bbox = g.getBBox();\nsvgcontent.remove();\n// Webkit gives 0, FF gives 10, Opera (correctly) gives 15\nreturn (bbox.width === 15);\n}());\n\nconst supportsEditableText_ = (function () {\n// TODO: Find better way to check support for this\nreturn isOpera_;\n}());\n\nconst supportsGoodDecimals_ = (function () {\n// Correct decimals on clone attributes (Opera < 10.5/win/non-en)\nconst rect = document.createElementNS(NS.SVG, 'rect');\nrect.setAttribute('x', 0.1);\nconst crect = rect.cloneNode(false);\nconst retValue = (!crect.getAttribute('x').includes(','));\nif (!retValue) {\n  // Todo: i18nize or remove\n  $.alert('NOTE: This version of Opera is known to contain bugs in SVG-edit.\\n' +\n\t'Please upgrade to the <a href=\"http://opera.com\">latest version</a> in which the problems have been fixed.');\n}\nreturn retValue;\n}());\n\nconst supportsNonScalingStroke_ = (function () {\nconst rect = document.createElementNS(NS.SVG, 'rect');\nrect.setAttribute('style', 'vector-effect:non-scaling-stroke');\nreturn rect.style.vectorEffect === 'non-scaling-stroke';\n}());\n\nlet supportsNativeSVGTransformLists_ = (function () {\nconst rect = document.createElementNS(NS.SVG, 'rect');\nconst rxform = rect.transform.baseVal;\nconst t1 = svg.createSVGTransform();\nrxform.appendItem(t1);\nconst r1 = rxform.getItem(0);\n// Todo: Do frame-independent instance checking\nreturn r1 instanceof SVGTransform && t1 instanceof SVGTransform &&\n\tr1.type === t1.type && r1.angle === t1.angle &&\n\tr1.matrix.a === t1.matrix.a &&\n\tr1.matrix.b === t1.matrix.b &&\n\tr1.matrix.c === t1.matrix.c &&\n\tr1.matrix.d === t1.matrix.d &&\n\tr1.matrix.e === t1.matrix.e &&\n\tr1.matrix.f === t1.matrix.f;\n}());\n\n// Public API\n\n/**\n * @function module:browser.isOpera\n * @returns {boolean}\n*/\nexport const isOpera = () => isOpera_;\n/**\n * @function module:browser.isWebkit\n * @returns {boolean}\n*/\nexport const isWebkit = () => isWebkit_;\n/**\n * @function module:browser.isGecko\n * @returns {boolean}\n*/\nexport const isGecko = () => isGecko_;\n/**\n * @function module:browser.isIE\n * @returns {boolean}\n*/\nexport const isIE = () => isIE_;\n/**\n * @function module:browser.isChrome\n * @returns {boolean}\n*/\nexport const isChrome = () => isChrome_;\n/**\n * @function module:browser.isWindows\n * @returns {boolean}\n*/\nexport const isWindows = () => isWindows_;\n/**\n * @function module:browser.isMac\n * @returns {boolean}\n*/\nexport const isMac = () => isMac_;\n/**\n * @function module:browser.isTouch\n * @returns {boolean}\n*/\nexport const isTouch = () => isTouch_;\n\n/**\n * @function module:browser.supportsSelectors\n * @returns {boolean}\n*/\nexport const supportsSelectors = () => supportsSelectors_;\n\n/**\n * @function module:browser.supportsXpath\n * @returns {boolean}\n*/\nexport const supportsXpath = () => supportsXpath_;\n\n/**\n * @function module:browser.supportsPathReplaceItem\n * @returns {boolean}\n*/\nexport const supportsPathReplaceItem = () => supportsPathReplaceItem_;\n\n/**\n * @function module:browser.supportsPathInsertItemBefore\n * @returns {boolean}\n*/\nexport const supportsPathInsertItemBefore = () => supportsPathInsertItemBefore_;\n\n/**\n * @function module:browser.supportsPathBBox\n * @returns {boolean}\n*/\nexport const supportsPathBBox = () => supportsPathBBox_;\n\n/**\n * @function module:browser.supportsHVLineContainerBBox\n * @returns {boolean}\n*/\nexport const supportsHVLineContainerBBox = () => supportsHVLineContainerBBox_;\n\n/**\n * @function module:browser.supportsGoodTextCharPos\n * @returns {boolean}\n*/\nexport const supportsGoodTextCharPos = () => supportsGoodTextCharPos_;\n\n/**\n* @function module:browser.supportsEditableText\n * @returns {boolean}\n*/\nexport const supportsEditableText = () => supportsEditableText_;\n\n/**\n * @function module:browser.supportsGoodDecimals\n * @returns {boolean}\n*/\nexport const supportsGoodDecimals = () => supportsGoodDecimals_;\n\n/**\n* @function module:browser.supportsNonScalingStroke\n* @returns {boolean}\n*/\nexport const supportsNonScalingStroke = () => supportsNonScalingStroke_;\n\n/**\n* @function module:browser.supportsNativeTransformLists\n* @returns {boolean}\n*/\nexport const supportsNativeTransformLists = () => supportsNativeSVGTransformLists_;\n\n/**\n * Set `supportsNativeSVGTransformLists_` to `false` (for unit testing)\n * @function module:browser.disableSupportsNativeTransformLists\n * @returns {undefined}\n*/\nexport const disableSupportsNativeTransformLists = () => {\n  supportsNativeSVGTransformLists_ = false;\n};\n","/**\n * jQuery module to work with SVG attributes\n * @module jQueryAttr\n * @license MIT\n */\n\n/**\n* This fixes `$(...).attr()` to work as expected with SVG elements.\n* Does not currently use `*AttributeNS()` since we rarely need that.\n* Adds {@link external:jQuery.fn.attr}.\n* See {@link https://api.jquery.com/attr/} for basic documentation of `.attr()`\n*\n* Additional functionality:\n* - When getting attributes, a string that's a number is returned as type number.\n* - If an array is supplied as the first parameter, multiple values are returned\n*    as an object with values for each given attribute\n* @function module:jQueryAttr.jQueryAttr\n* @param {external:jQuery} $ The jQuery object to which to add the plug-in\n* @returns {external:jQuery}\n*/\nexport default function ($) {\n  const proxied = $.fn.attr,\n    svgns = 'http://www.w3.org/2000/svg';\n  /**\n  * @typedef {PlainObject.<string, string|Float>} module:jQueryAttr.Attributes\n  */\n  /**\n  * @function external:jQuery.fn.attr\n  * @param {string|string[]|PlainObject.<string, string>} key\n  * @param {string} value\n  * @returns {external:jQuery|module:jQueryAttr.Attributes}\n  */\n  $.fn.attr = function (key, value) {\n    const len = this.length;\n    if (!len) { return proxied.apply(this, arguments); }\n    for (let i = 0; i < len; ++i) {\n      const elem = this[i];\n      // set/get SVG attribute\n      if (elem.namespaceURI === svgns) {\n        // Setting attribute\n        if (value !== undefined) {\n          elem.setAttribute(key, value);\n        } else if (Array.isArray(key)) {\n          // Getting attributes from array\n          const obj = {};\n          let j = key.length;\n\n          while (j--) {\n            const aname = key[j];\n            let attr = elem.getAttribute(aname);\n            // This returns a number when appropriate\n            if (attr || attr === '0') {\n              attr = isNaN(attr) ? attr : (attr - 0);\n            }\n            obj[aname] = attr;\n          }\n          return obj;\n        }\n        if (typeof key === 'object') {\n          // Setting attributes from object\n          for (const [name, val] of Object.entries(key)) {\n            elem.setAttribute(name, val);\n          }\n        // Getting attribute\n        } else {\n          let attr = elem.getAttribute(key);\n          if (attr || attr === '0') {\n            attr = isNaN(attr) ? attr : (attr - 0);\n          }\n          return attr;\n        }\n      } else {\n        return proxied.apply(this, arguments);\n      }\n    }\n    return this;\n  };\n  return $;\n}\n","/**\n * Partial polyfill of `SVGTransformList`\n * @module SVGTransformList\n *\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport {NS} from './namespaces.js';\nimport {supportsNativeTransformLists} from './browser.js';\n\nconst svgroot = document.createElementNS(NS.SVG, 'svg');\n\n// Helper function.\nfunction transformToString (xform) {\n  const m = xform.matrix;\n  let text = '';\n  switch (xform.type) {\n  case 1: // MATRIX\n    text = 'matrix(' + [m.a, m.b, m.c, m.d, m.e, m.f].join(',') + ')';\n    break;\n  case 2: // TRANSLATE\n    text = 'translate(' + m.e + ',' + m.f + ')';\n    break;\n  case 3: // SCALE\n    if (m.a === m.d) {\n      text = 'scale(' + m.a + ')';\n    } else {\n      text = 'scale(' + m.a + ',' + m.d + ')';\n    }\n    break;\n  case 4: { // ROTATE\n    let cx = 0;\n    let cy = 0;\n    // this prevents divide by zero\n    if (xform.angle !== 0) {\n      const K = 1 - m.a;\n      cy = (K * m.f + m.b * m.e) / (K * K + m.b * m.b);\n      cx = (m.e - m.b * cy) / K;\n    }\n    text = 'rotate(' + xform.angle + ' ' + cx + ',' + cy + ')';\n    break;\n  }\n  }\n  return text;\n}\n\n/**\n * Map of SVGTransformList objects.\n */\nlet listMap_ = {};\n\n/**\n* @interface module:SVGTransformList.SVGEditTransformList\n* @property {Integer} numberOfItems unsigned long\n*/\n/**\n* @function module:SVGTransformList.SVGEditTransformList#clear\n* @returns {undefined}\n*/\n/**\n* @function module:SVGTransformList.SVGEditTransformList#initialize\n* @param {SVGTransform} newItem\n* @returns {SVGTransform}\n*/\n/**\n* (DOES NOT THROW DOMException, INDEX_SIZE_ERR)\n* @function module:SVGTransformList.SVGEditTransformList#getItem\n* @param {Integer} index unsigned long\n* @returns {SVGTransform}\n*/\n/**\n* (DOES NOT THROW DOMException, INDEX_SIZE_ERR)\n* @function module:SVGTransformList.SVGEditTransformList#insertItemBefore\n* @param {SVGTransform} newItem\n* @param {Integer} index unsigned long\n* @returns {SVGTransform}\n*/\n/**\n* (DOES NOT THROW DOMException, INDEX_SIZE_ERR)\n* @function module:SVGTransformList.SVGEditTransformList#replaceItem\n* @param {SVGTransform} newItem\n* @param {Integer} index unsigned long\n* @returns {SVGTransform}\n*/\n/**\n* (DOES NOT THROW DOMException, INDEX_SIZE_ERR)\n* @function module:SVGTransformList.SVGEditTransformList#removeItem\n* @param {Integer} index unsigned long\n* @returns {SVGTransform}\n*/\n/**\n* @function module:SVGTransformList.SVGEditTransformList#appendItem\n* @param {SVGTransform} newItem\n* @returns {SVGTransform}\n*/\n/**\n* NOT IMPLEMENTED\n* @ignore\n* @function module:SVGTransformList.SVGEditTransformList#createSVGTransformFromMatrix\n* @param {SVGMatrix} matrix\n* @returns {SVGTransform}\n*/\n/**\n* NOT IMPLEMENTED\n* @ignore\n* @function module:SVGTransformList.SVGEditTransformList#consolidate\n* @returns {SVGTransform}\n*/\n\n/**\n* SVGTransformList implementation for Webkit.\n* These methods do not currently raise any exceptions.\n* These methods also do not check that transforms are being inserted.  This is basically\n* implementing as much of SVGTransformList that we need to get the job done.\n*/\nexport class SVGTransformList {\n  /**\n  * @param {Element} elem\n  */\n  constructor (elem) {\n    this._elem = elem || null;\n    this._xforms = [];\n    // TODO: how do we capture the undo-ability in the changed transform list?\n    this._update = function () {\n      let tstr = '';\n      // /* const concatMatrix = */ svgroot.createSVGMatrix();\n      for (let i = 0; i < this.numberOfItems; ++i) {\n        const xform = this._list.getItem(i);\n        tstr += transformToString(xform) + ' ';\n      }\n      this._elem.setAttribute('transform', tstr);\n    };\n    this._list = this;\n    this._init = function () {\n      // Transform attribute parser\n      let str = this._elem.getAttribute('transform');\n      if (!str) { return; }\n\n      // TODO: Add skew support in future\n      const re = /\\s*((scale|matrix|rotate|translate)\\s*\\(.*?\\))\\s*,?\\s*/;\n      let m = true;\n      while (m) {\n        m = str.match(re);\n        str = str.replace(re, '');\n        if (m && m[1]) {\n          const x = m[1];\n          const bits = x.split(/\\s*\\(/);\n          const name = bits[0];\n          const valBits = bits[1].match(/\\s*(.*?)\\s*\\)/);\n          valBits[1] = valBits[1].replace(/(\\d)-/g, '$1 -');\n          const valArr = valBits[1].split(/[, ]+/);\n          const letters = 'abcdef'.split('');\n          const mtx = svgroot.createSVGMatrix();\n          Object.values(valArr).forEach(function (item, i) {\n            valArr[i] = parseFloat(item);\n            if (name === 'matrix') {\n              mtx[letters[i]] = valArr[i];\n            }\n          });\n          const xform = svgroot.createSVGTransform();\n          const fname = 'set' + name.charAt(0).toUpperCase() + name.slice(1);\n          const values = name === 'matrix' ? [mtx] : valArr;\n\n          if (name === 'scale' && values.length === 1) {\n            values.push(values[0]);\n          } else if (name === 'translate' && values.length === 1) {\n            values.push(0);\n          } else if (name === 'rotate' && values.length === 1) {\n            values.push(0, 0);\n          }\n          xform[fname].apply(xform, values);\n          this._list.appendItem(xform);\n        }\n      }\n    };\n    this._removeFromOtherLists = function (item) {\n      if (item) {\n        // Check if this transform is already in a transformlist, and\n        // remove it if so.\n        let found = false;\n        for (const id in listMap_) {\n          const tl = listMap_[id];\n          for (let i = 0, len = tl._xforms.length; i < len; ++i) {\n            if (tl._xforms[i] === item) {\n              found = true;\n              tl.removeItem(i);\n              break;\n            }\n          }\n          if (found) {\n            break;\n          }\n        }\n      }\n    };\n\n    this.numberOfItems = 0;\n  }\n  /**\n  * @returns {undefined}\n  */\n  clear () {\n    this.numberOfItems = 0;\n    this._xforms = [];\n  }\n\n  /**\n  * @param {SVGTransform} newItem\n  * @returns {SVGTransform}\n  */\n  initialize (newItem) {\n    this.numberOfItems = 1;\n    this._removeFromOtherLists(newItem);\n    this._xforms = [newItem];\n  }\n\n  /**\n  * @param {Integer} index unsigned long\n  * @throws {Error}\n  * @returns {SVGTransform}\n  */\n  getItem (index) {\n    if (index < this.numberOfItems && index >= 0) {\n      return this._xforms[index];\n    }\n    const err = new Error('DOMException with code=INDEX_SIZE_ERR');\n    err.code = 1;\n    throw err;\n  }\n\n  /**\n  * @param {SVGTransform} newItem\n  * @param {Integer} index unsigned long\n  * @returns {SVGTransform}\n  */\n  insertItemBefore (newItem, index) {\n    let retValue = null;\n    if (index >= 0) {\n      if (index < this.numberOfItems) {\n        this._removeFromOtherLists(newItem);\n        const newxforms = new Array(this.numberOfItems + 1);\n        // TODO: use array copying and slicing\n        let i;\n        for (i = 0; i < index; ++i) {\n          newxforms[i] = this._xforms[i];\n        }\n        newxforms[i] = newItem;\n        for (let j = i + 1; i < this.numberOfItems; ++j, ++i) {\n          newxforms[j] = this._xforms[i];\n        }\n        this.numberOfItems++;\n        this._xforms = newxforms;\n        retValue = newItem;\n        this._list._update();\n      } else {\n        retValue = this._list.appendItem(newItem);\n      }\n    }\n    return retValue;\n  }\n\n  /**\n  * @param {SVGTransform} newItem\n  * @param {Integer} index unsigned long\n  * @returns {SVGTransform}\n  */\n  replaceItem (newItem, index) {\n    let retValue = null;\n    if (index < this.numberOfItems && index >= 0) {\n      this._removeFromOtherLists(newItem);\n      this._xforms[index] = newItem;\n      retValue = newItem;\n      this._list._update();\n    }\n    return retValue;\n  }\n\n  /**\n  * @param {Integer} index unsigned long\n  * @throws {Error}\n  * @returns {SVGTransform}\n  */\n  removeItem (index) {\n    if (index < this.numberOfItems && index >= 0) {\n      const retValue = this._xforms[index];\n      const newxforms = new Array(this.numberOfItems - 1);\n      let i;\n      for (i = 0; i < index; ++i) {\n        newxforms[i] = this._xforms[i];\n      }\n      for (let j = i; j < this.numberOfItems - 1; ++j, ++i) {\n        newxforms[j] = this._xforms[i + 1];\n      }\n      this.numberOfItems--;\n      this._xforms = newxforms;\n      this._list._update();\n      return retValue;\n    }\n    const err = new Error('DOMException with code=INDEX_SIZE_ERR');\n    err.code = 1;\n    throw err;\n  }\n\n  /**\n  * @param {SVGTransform} newItem\n  * @returns {SVGTransform}\n  */\n  appendItem (newItem) {\n    this._removeFromOtherLists(newItem);\n    this._xforms.push(newItem);\n    this.numberOfItems++;\n    this._list._update();\n    return newItem;\n  }\n}\n\n/**\n* @function module:SVGTransformList.resetListMap\n* @returns {undefined}\n*/\nexport const resetListMap = function () {\n  listMap_ = {};\n};\n\n/**\n * Removes transforms of the given element from the map.\n * @function module:SVGTransformList.removeElementFromListMap\n * @param {Element} elem - a DOM Element\n * @returns {undefined}\n */\nexport let removeElementFromListMap = function (elem) {\n  if (elem.id && listMap_[elem.id]) {\n    delete listMap_[elem.id];\n  }\n};\n\n/**\n* Returns an object that behaves like a `SVGTransformList` for the given DOM element\n* @function module:SVGTransformList.getTransformList\n* @param {Element} elem - DOM element to get a transformlist from\n* @todo The polyfill should have `SVGAnimatedTransformList` and this should use it\n* @returns {SVGAnimatedTransformList|SVGTransformList}\n*/\nexport const getTransformList = function (elem) {\n  if (!supportsNativeTransformLists()) {\n    const id = elem.id || 'temp';\n    let t = listMap_[id];\n    if (!t || id === 'temp') {\n      listMap_[id] = new SVGTransformList(elem);\n      listMap_[id]._init();\n      t = listMap_[id];\n    }\n    return t;\n  }\n  if (elem.transform) {\n    return elem.transform.baseVal;\n  }\n  if (elem.gradientTransform) {\n    return elem.gradientTransform.baseVal;\n  }\n  if (elem.patternTransform) {\n    return elem.patternTransform.baseVal;\n  }\n\n  return null;\n};\n\n/**\n* @callback module:SVGTransformList.removeElementFromListMap\n* @param {Element} elem\n*/\n/**\n* For unit-testing\n* @function module:SVGTransformList.changeRemoveElementFromListMap\n* @param {module:SVGTransformList.removeElementFromListMap} cb Passed a single argument `elem`\n* @returns {undefined}\n*/\nexport const changeRemoveElementFromListMap = function (cb) {\n  removeElementFromListMap = cb;\n};\n","/**\n * Tools for working with units\n * @module units\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport {NS} from './namespaces.js';\n\nconst wAttrs = ['x', 'x1', 'cx', 'rx', 'width'];\nconst hAttrs = ['y', 'y1', 'cy', 'ry', 'height'];\nconst unitAttrs = ['r', 'radius', ...wAttrs, ...hAttrs];\n// unused\n/*\nconst unitNumMap = {\n  '%': 2,\n  em: 3,\n  ex: 4,\n  px: 5,\n  cm: 6,\n  mm: 7,\n  in: 8,\n  pt: 9,\n  pc: 10\n};\n*/\n// Container of elements.\nlet elementContainer_;\n\n// Stores mapping of unit type to user coordinates.\nlet typeMap_ = {};\n\n/**\n * @interface module:units.ElementContainer\n */\n/**\n * @function module:units.ElementContainer#getBaseUnit\n * @returns {string} The base unit type of the container ('em')\n */\n/**\n * @function module:units.ElementContainer#getElement\n * @returns {Element} An element in the container given an id\n */\n/**\n * @function module:units.ElementContainer#getHeight\n * @returns {Float} The container's height\n */\n/**\n * @function module:units.ElementContainer#getWidth\n * @returns {Float} The container's width\n */\n/**\n * @function module:units.ElementContainer#getRoundDigits\n * @returns {Integer} The number of digits number should be rounded to\n */\n\n/**\n * @typedef {PlainObject} module:units.TypeMap\n * @property {Float} em\n * @property {Float} ex\n * @property {Float} in\n * @property {Float} cm\n * @property {Float} mm\n * @property {Float} pt\n * @property {Float} pc\n * @property {Integer} px\n * @property {0} %\n */\n\n/**\n * Initializes this module.\n *\n * @function module:units.init\n * @param {module:units.ElementContainer} elementContainer - An object implementing the ElementContainer interface.\n * @returns {undefined}\n */\nexport const init = function (elementContainer) {\n  elementContainer_ = elementContainer;\n\n  // Get correct em/ex values by creating a temporary SVG.\n  const svg = document.createElementNS(NS.SVG, 'svg');\n  document.body.append(svg);\n  const rect = document.createElementNS(NS.SVG, 'rect');\n  rect.setAttribute('width', '1em');\n  rect.setAttribute('height', '1ex');\n  rect.setAttribute('x', '1in');\n  svg.append(rect);\n  const bb = rect.getBBox();\n  svg.remove();\n\n  const inch = bb.x;\n  typeMap_ = {\n    em: bb.width,\n    ex: bb.height,\n    in: inch,\n    cm: inch / 2.54,\n    mm: inch / 25.4,\n    pt: inch / 72,\n    pc: inch / 6,\n    px: 1,\n    '%': 0\n  };\n};\n\n/**\n* Group: Unit conversion functions\n*/\n\n/**\n * @function module:units.getTypeMap\n * @returns {module:units.TypeMap} The unit object with values for each unit\n*/\nexport const getTypeMap = function () {\n  return typeMap_;\n};\n\n/**\n* @typedef {GenericArray} module:units.CompareNumbers\n* @property {Integer} length 2\n* @property {Float} 0\n* @property {Float} 1\n*/\n\n/**\n* Rounds a given value to a float with number of digits defined in\n* `round_digits` of `saveOptions`\n*\n* @function module:units.shortFloat\n* @param {string|Float|module:units.CompareNumbers} val - The value (or Array of two numbers) to be rounded\n* @returns {Float|string} If a string/number was given, returns a Float. If an array, return a string\n* with comma-separated floats\n*/\nexport const shortFloat = function (val) {\n  const digits = elementContainer_.getRoundDigits();\n  if (!isNaN(val)) {\n    // Note that + converts to Number\n    return +((+val).toFixed(digits));\n  }\n  if (Array.isArray(val)) {\n    return shortFloat(val[0]) + ',' + shortFloat(val[1]);\n  }\n  return parseFloat(val).toFixed(digits) - 0;\n};\n\n/**\n* Converts the number to given unit or baseUnit\n* @function module:units.convertUnit\n* @returns {Float}\n*/\nexport const convertUnit = function (val, unit) {\n  unit = unit || elementContainer_.getBaseUnit();\n  // baseVal.convertToSpecifiedUnits(unitNumMap[unit]);\n  // const val = baseVal.valueInSpecifiedUnits;\n  // baseVal.convertToSpecifiedUnits(1);\n  return shortFloat(val / typeMap_[unit]);\n};\n\n/**\n* Sets an element's attribute based on the unit in its current value.\n*\n* @function module:units.setUnitAttr\n* @param {Element} elem - DOM element to be changed\n* @param {string} attr - Name of the attribute associated with the value\n* @param {string} val - Attribute value to convert\n* @returns {undefined}\n*/\nexport const setUnitAttr = function (elem, attr, val) {\n  //  if (!isNaN(val)) {\n  // New value is a number, so check currently used unit\n  // const oldVal = elem.getAttribute(attr);\n\n  // Enable this for alternate mode\n  // if (oldVal !== null && (isNaN(oldVal) || elementContainer_.getBaseUnit() !== 'px')) {\n  //   // Old value was a number, so get unit, then convert\n  //   let unit;\n  //   if (oldVal.substr(-1) === '%') {\n  //     const res = getResolution();\n  //     unit = '%';\n  //     val *= 100;\n  //     if (wAttrs.includes(attr)) {\n  //       val = val / res.w;\n  //     } else if (hAttrs.includes(attr)) {\n  //       val = val / res.h;\n  //     } else {\n  //       return val / Math.sqrt((res.w*res.w) + (res.h*res.h))/Math.sqrt(2);\n  //     }\n  //   } else {\n  //     if (elementContainer_.getBaseUnit() !== 'px') {\n  //       unit = elementContainer_.getBaseUnit();\n  //     } else {\n  //       unit = oldVal.substr(-2);\n  //     }\n  //     val = val / typeMap_[unit];\n  //   }\n  //\n  // val += unit;\n  // }\n  // }\n  elem.setAttribute(attr, val);\n};\n\nconst attrsToConvert = {\n  line: ['x1', 'x2', 'y1', 'y2'],\n  circle: ['cx', 'cy', 'r'],\n  ellipse: ['cx', 'cy', 'rx', 'ry'],\n  foreignObject: ['x', 'y', 'width', 'height'],\n  rect: ['x', 'y', 'width', 'height'],\n  image: ['x', 'y', 'width', 'height'],\n  use: ['x', 'y', 'width', 'height'],\n  text: ['x', 'y']\n};\n\n/**\n* Converts all applicable attributes to the configured baseUnit\n* @function module:units.convertAttrs\n* @param {Element} element - A DOM element whose attributes should be converted\n* @returns {undefined}\n*/\nexport const convertAttrs = function (element) {\n  const elName = element.tagName;\n  const unit = elementContainer_.getBaseUnit();\n  const attrs = attrsToConvert[elName];\n  if (!attrs) { return; }\n\n  const len = attrs.length;\n  for (let i = 0; i < len; i++) {\n    const attr = attrs[i];\n    const cur = element.getAttribute(attr);\n    if (cur) {\n      if (!isNaN(cur)) {\n        element.setAttribute(attr, (cur / typeMap_[unit]) + unit);\n      }\n      // else {\n      // Convert existing?\n      // }\n    }\n  }\n};\n\n/**\n* Converts given values to numbers. Attributes must be supplied in\n* case a percentage is given\n*\n* @function module:units.convertToNum\n* @param {string} attr - Name of the attribute associated with the value\n* @param {string} val - Attribute value to convert\n* @returns {Float} The converted number\n*/\nexport const convertToNum = function (attr, val) {\n  // Return a number if that's what it already is\n  if (!isNaN(val)) { return val - 0; }\n  if (val.substr(-1) === '%') {\n    // Deal with percentage, depends on attribute\n    const num = val.substr(0, val.length - 1) / 100;\n    const width = elementContainer_.getWidth();\n    const height = elementContainer_.getHeight();\n\n    if (wAttrs.includes(attr)) {\n      return num * width;\n    }\n    if (hAttrs.includes(attr)) {\n      return num * height;\n    }\n    return num * Math.sqrt((width * width) + (height * height)) / Math.sqrt(2);\n  }\n  const unit = val.substr(-2);\n  const num = val.substr(0, val.length - 2);\n  // Note that this multiplication turns the string into a number\n  return num * typeMap_[unit];\n};\n\n/**\n* Check if an attribute's value is in a valid format\n* @function module:units.isValidUnit\n* @param {string} attr - The name of the attribute associated with the value\n* @param {string} val - The attribute value to check\n* @returns {boolean} Whether the unit is valid\n*/\nexport const isValidUnit = function (attr, val, selectedElement) {\n  if (unitAttrs.includes(attr)) {\n    // True if it's just a number\n    if (!isNaN(val)) {\n      return true;\n    }\n    // Not a number, check if it has a valid unit\n    val = val.toLowerCase();\n    return Object.keys(typeMap_).some((unit) => {\n      const re = new RegExp('^-?[\\\\d\\\\.]+' + unit + '$');\n      return re.test(val);\n    });\n  }\n  if (attr === 'id') {\n    // if we're trying to change the id, make sure it's not already present in the doc\n    // and the id value is valid.\n\n    let result = false;\n    // because getElem() can throw an exception in the case of an invalid id\n    // (according to https://www.w3.org/TR/xml-id/ IDs must be a NCName)\n    // we wrap it in an exception and only return true if the ID was valid and\n    // not already present\n    try {\n      const elem = elementContainer_.getElement(val);\n      result = (elem == null || elem === selectedElement);\n    } catch (e) {}\n    return result;\n  }\n  return true;\n};\n","/**\n * For command history tracking and undo functionality\n * @module history\n * @license MIT\n * @copyright 2010 Jeff Schiller\n */\n\nimport {getHref, setHref, getRotationAngle} from './utilities.js';\nimport {removeElementFromListMap} from './svgtransformlist.js';\n\n/**\n* Group: Undo/Redo history management\n*/\nexport const HistoryEventTypes = {\n  BEFORE_APPLY: 'before_apply',\n  AFTER_APPLY: 'after_apply',\n  BEFORE_UNAPPLY: 'before_unapply',\n  AFTER_UNAPPLY: 'after_unapply'\n};\n\n// const removedElements = {};\n\n/**\n* Base class for commands\n*/\nclass Command {\n  /**\n  * @returns {string}\n  */\n  getText () {\n    return this.text;\n  }\n}\n\n// Todo: Figure out why the interface members aren't showing\n//   up (with or without modules applied), despite our apparently following\n//   http://usejsdoc.org/tags-interface.html#virtual-comments\n\n/**\n * An interface that all command objects must implement.\n * @interface module:history.HistoryCommand\n*/\n/**\n * Applies\n *\n * @function module:history.HistoryCommand#apply\n * @param {module:history.HistoryEventHandler}\n * @fires module:history~Command#event:history\n * @returns {undefined|true}\n */\n/**\n *\n * Unapplies\n * @function module:history.HistoryCommand#unapply\n * @param {module:history.HistoryEventHandler}\n * @fires module:history~Command#event:history\n * @returns {undefined|true}\n */\n/**\n * Returns the elements\n * @function module:history.HistoryCommand#elements\n * @returns {Element[]}\n */\n/**\n * Gets the text\n * @function module:history.HistoryCommand#getText\n * @returns {string}\n */\n/**\n * Gives the type\n * @function module:history.HistoryCommand.type\n * @returns {string}\n */\n/**\n * Gives the type\n * @function module:history.HistoryCommand#type\n * @returns {string}\n*/\n\n/**\n * @event module:history~Command#event:history\n * @type {module:history.HistoryCommand}\n */\n\n/**\n * An interface for objects that will handle history events.\n * @interface module:history.HistoryEventHandler\n */\n/**\n *\n * @function module:history.HistoryEventHandler#handleHistoryEvent\n * @param {string} eventType One of the HistoryEvent types\n * @param {module:history~Command#event:history} command\n * @listens module:history~Command#event:history\n * @returns {undefined}\n *\n */\n\n/**\n * History command for an element that had its DOM position changed\n * @implements {module:history.HistoryCommand}\n * @param {Element} elem - The DOM element that was moved\n * @param {Element} oldNextSibling - The element's next sibling before it was moved\n * @param {Element} oldParent - The element's parent before it was moved\n * @param {string} [text] - An optional string visible to user related to this change\n*/\nexport class MoveElementCommand extends Command {\n  constructor (elem, oldNextSibling, oldParent, text) {\n    super();\n    this.elem = elem;\n    this.text = text ? ('Move ' + elem.tagName + ' to ' + text) : ('Move ' + elem.tagName);\n    this.oldNextSibling = oldNextSibling;\n    this.oldParent = oldParent;\n    this.newNextSibling = elem.nextSibling;\n    this.newParent = elem.parentNode;\n  }\n  type () {\n    return 'svgedit.history.MoveElementCommand';\n  }\n\n  /**\n   * Re-positions the element\n   * @param {module:history.HistoryEventHandler} handler\n   * @fires module:history~Command#event:history\n   * @returns {undefined}\n  */\n  apply (handler) {\n    // TODO(codedread): Refactor this common event code into a base HistoryCommand class.\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    this.elem = this.newParent.insertBefore(this.elem, this.newNextSibling);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n  }\n\n  /**\n   * Positions the element back to its original location\n   * @param {module:history.HistoryEventHandler} handler\n   * @fires module:history~Command#event:history\n   * @returns {undefined}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    this.elem = this.oldParent.insertBefore(this.elem, this.oldNextSibling);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n  }\n\n  /**\n  * @returns {Element[]} Array with element associated with this command\n  */\n  elements () {\n    return [this.elem];\n  }\n}\nMoveElementCommand.type = MoveElementCommand.prototype.type;\n\n/**\n* History command for an element that was added to the DOM\n* @implements {module:history.HistoryCommand}\n*\n* @param {Element} elem - The newly added DOM element\n* @param {string} text - An optional string visible to user related to this change\n*/\nexport class InsertElementCommand extends Command {\n  constructor (elem, text) {\n    super();\n    this.elem = elem;\n    this.text = text || ('Create ' + elem.tagName);\n    this.parent = elem.parentNode;\n    this.nextSibling = this.elem.nextSibling;\n  }\n\n  type () {\n    return 'svgedit.history.InsertElementCommand';\n  }\n\n  /**\n  * Re-inserts the new element\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  apply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    this.elem = this.parent.insertBefore(this.elem, this.nextSibling);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n  }\n\n  /**\n  * Removes the element\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    this.parent = this.elem.parentNode;\n    this.elem = this.elem.parentNode.removeChild(this.elem);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n  }\n\n  /**\n  * @returns {Element[]} Array with element associated with this command\n  */\n  elements () {\n    return [this.elem];\n  }\n}\nInsertElementCommand.type = InsertElementCommand.prototype.type;\n\n/**\n* History command for an element removed from the DOM\n* @implements {module:history.HistoryCommand}\n* @param {Element} elem - The removed DOM element\n* @param {Node} oldNextSibling - The DOM element's nextSibling when it was in the DOM\n* @param {Element} oldParent - The DOM element's parent\n* @param {string} [text] - An optional string visible to user related to this change\n*/\nexport class RemoveElementCommand extends Command {\n  constructor (elem, oldNextSibling, oldParent, text) {\n    super();\n    this.elem = elem;\n    this.text = text || ('Delete ' + elem.tagName);\n    this.nextSibling = oldNextSibling;\n    this.parent = oldParent;\n\n    // special hack for webkit: remove this element's entry in the svgTransformLists map\n    removeElementFromListMap(elem);\n  }\n  type () {\n    return 'svgedit.history.RemoveElementCommand';\n  }\n\n  /**\n  * Re-removes the new element\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  apply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    removeElementFromListMap(this.elem);\n    this.parent = this.elem.parentNode;\n    this.elem = this.parent.removeChild(this.elem);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n  }\n\n  /**\n  * Re-adds the new element\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    removeElementFromListMap(this.elem);\n    if (this.nextSibling == null) {\n      if (window.console) {\n        console.log('Error: reference element was lost');\n      }\n    }\n    this.parent.insertBefore(this.elem, this.nextSibling); // Don't use `before` or `prepend` as `this.nextSibling` may be `null`\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n  }\n\n  /**\n  * @returns {Element[]} Array with element associated with this command\n  */\n  elements () {\n    return [this.elem];\n  }\n}\nRemoveElementCommand.type = RemoveElementCommand.prototype.type;\n\n/**\n* @typedef {\"#text\"|\"#href\"|string} module:history.CommandAttributeName\n*/\n/**\n* @typedef {PlainObject.<module:history.CommandAttributeName, string>} module:history.CommandAttributes\n*/\n\n/**\n* History command to make a change to an element.\n* Usually an attribute change, but can also be textcontent.\n* @implements {module:history.HistoryCommand}\n* @param {Element} elem - The DOM element that was changed\n* @param {module:history.CommandAttributes} attrs - Attributes to be changed with the values they had *before* the change\n* @param {string} text - An optional string visible to user related to this change\n*/\nexport class ChangeElementCommand extends Command {\n  constructor (elem, attrs, text) {\n    super();\n    this.elem = elem;\n    this.text = text ? ('Change ' + elem.tagName + ' ' + text) : ('Change ' + elem.tagName);\n    this.newValues = {};\n    this.oldValues = attrs;\n    for (const attr in attrs) {\n      if (attr === '#text') {\n        this.newValues[attr] = elem.textContent;\n      } else if (attr === '#href') {\n        this.newValues[attr] = getHref(elem);\n      } else {\n        this.newValues[attr] = elem.getAttribute(attr);\n      }\n    }\n  }\n  type () {\n    return 'svgedit.history.ChangeElementCommand';\n  }\n\n  /**\n  * Performs the stored change action\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {true}\n  */\n  apply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    let bChangedTransform = false;\n    for (const attr in this.newValues) {\n      if (this.newValues[attr]) {\n        if (attr === '#text') {\n          this.elem.textContent = this.newValues[attr];\n        } else if (attr === '#href') {\n          setHref(this.elem, this.newValues[attr]);\n        } else {\n          this.elem.setAttribute(attr, this.newValues[attr]);\n        }\n      } else {\n        if (attr === '#text') {\n          this.elem.textContent = '';\n        } else {\n          this.elem.setAttribute(attr, '');\n          this.elem.removeAttribute(attr);\n        }\n      }\n\n      if (attr === 'transform') { bChangedTransform = true; }\n    }\n\n    // relocate rotational transform, if necessary\n    if (!bChangedTransform) {\n      const angle = getRotationAngle(this.elem);\n      if (angle) {\n        const bbox = this.elem.getBBox();\n        const cx = bbox.x + bbox.width / 2,\n          cy = bbox.y + bbox.height / 2;\n        const rotate = ['rotate(', angle, ' ', cx, ',', cy, ')'].join('');\n        if (rotate !== this.elem.getAttribute('transform')) {\n          this.elem.setAttribute('transform', rotate);\n        }\n      }\n    }\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n\n    return true;\n  }\n\n  /**\n  * Reverses the stored change action\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {true}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    let bChangedTransform = false;\n    for (const attr in this.oldValues) {\n      if (this.oldValues[attr]) {\n        if (attr === '#text') {\n          this.elem.textContent = this.oldValues[attr];\n        } else if (attr === '#href') {\n          setHref(this.elem, this.oldValues[attr]);\n        } else {\n          this.elem.setAttribute(attr, this.oldValues[attr]);\n        }\n      } else {\n        if (attr === '#text') {\n          this.elem.textContent = '';\n        } else {\n          this.elem.removeAttribute(attr);\n        }\n      }\n      if (attr === 'transform') { bChangedTransform = true; }\n    }\n    // relocate rotational transform, if necessary\n    if (!bChangedTransform) {\n      const angle = getRotationAngle(this.elem);\n      if (angle) {\n        const bbox = this.elem.getBBox();\n        const cx = bbox.x + bbox.width / 2,\n          cy = bbox.y + bbox.height / 2;\n        const rotate = ['rotate(', angle, ' ', cx, ',', cy, ')'].join('');\n        if (rotate !== this.elem.getAttribute('transform')) {\n          this.elem.setAttribute('transform', rotate);\n        }\n      }\n    }\n\n    // Remove transformlist to prevent confusion that causes bugs like 575.\n    removeElementFromListMap(this.elem);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n\n    return true;\n  }\n\n  /**\n  * @returns {Element[]} Array with element associated with this command\n  */\n  elements () {\n    return [this.elem];\n  }\n}\nChangeElementCommand.type = ChangeElementCommand.prototype.type;\n\n// TODO: create a 'typing' command object that tracks changes in text\n// if a new Typing command is created and the top command on the stack is also a Typing\n// and they both affect the same element, then collapse the two commands into one\n\n/**\n* History command that can contain/execute multiple other commands\n* @implements {module:history.HistoryCommand}\n*/\nexport class BatchCommand extends Command {\n  /**\n  * @param {string} [text] - An optional string visible to user related to this change\n  */\n  constructor (text) {\n    super();\n    this.text = text || 'Batch Command';\n    this.stack = [];\n  }\n\n  type () {\n    return 'svgedit.history.BatchCommand';\n  }\n\n  /**\n  * Runs \"apply\" on all subcommands\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  apply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    const len = this.stack.length;\n    for (let i = 0; i < len; ++i) {\n      this.stack[i].apply(handler);\n    }\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n  }\n\n  /**\n  * Runs \"unapply\" on all subcommands\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    for (let i = this.stack.length - 1; i >= 0; i--) {\n      this.stack[i].unapply(handler);\n    }\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n  }\n\n  /**\n  * Iterate through all our subcommands\n  * @returns {Element[]} All the elements we are changing\n  */\n  elements () {\n    const elems = [];\n    let cmd = this.stack.length;\n    while (cmd--) {\n      const thisElems = this.stack[cmd].elements();\n      let elem = thisElems.length;\n      while (elem--) {\n        if (!elems.includes(thisElems[elem])) { elems.push(thisElems[elem]); }\n      }\n    }\n    return elems;\n  }\n\n  /**\n  * Adds a given command to the history stack\n  * @param {Command} cmd - The undo command object to add\n  */\n  addSubCommand (cmd) {\n    this.stack.push(cmd);\n  }\n\n  /**\n  * @returns {boolean} Indicates whether or not the batch command is empty\n  */\n  isEmpty () {\n    return !this.stack.length;\n  }\n}\nBatchCommand.type = BatchCommand.prototype.type;\n\n/**\n*\n*/\nexport class UndoManager {\n  /**\n  * @param {module:history.HistoryEventHandler} historyEventHandler\n  */\n  constructor (historyEventHandler) {\n    this.handler_ = historyEventHandler || null;\n    this.undoStackPointer = 0;\n    this.undoStack = [];\n\n    // this is the stack that stores the original values, the elements and\n    // the attribute name for begin/finish\n    this.undoChangeStackPointer = -1;\n    this.undoableChangeStack = [];\n  }\n\n  /**\n  * Resets the undo stack, effectively clearing the undo/redo history\n  * @returns {undefined}\n  */\n  resetUndoStack () {\n    this.undoStack = [];\n    this.undoStackPointer = 0;\n  }\n\n  /**\n  * @returns {Integer} Current size of the undo history stack\n  */\n  getUndoStackSize () {\n    return this.undoStackPointer;\n  }\n\n  /**\n  * @returns {Integer} Current size of the redo history stack\n  */\n  getRedoStackSize () {\n    return this.undoStack.length - this.undoStackPointer;\n  }\n\n  /**\n  * @returns {string} String associated with the next undo command\n  */\n  getNextUndoCommandText () {\n    return this.undoStackPointer > 0 ? this.undoStack[this.undoStackPointer - 1].getText() : '';\n  }\n\n  /**\n  * @returns {string} String associated with the next redo command\n  */\n  getNextRedoCommandText () {\n    return this.undoStackPointer < this.undoStack.length ? this.undoStack[this.undoStackPointer].getText() : '';\n  }\n\n  /**\n  * Performs an undo step\n  * @returns {undefined}\n  */\n  undo () {\n    if (this.undoStackPointer > 0) {\n      const cmd = this.undoStack[--this.undoStackPointer];\n      cmd.unapply(this.handler_);\n    }\n  }\n\n  /**\n  * Performs a redo step\n  * @returns {undefined}\n  */\n  redo () {\n    if (this.undoStackPointer < this.undoStack.length && this.undoStack.length > 0) {\n      const cmd = this.undoStack[this.undoStackPointer++];\n      cmd.apply(this.handler_);\n    }\n  }\n\n  /**\n  * Adds a command object to the undo history stack\n  * @param {Command} cmd - The command object to add\n  * @returns {undefined}\n  */\n  addCommandToHistory (cmd) {\n    // FIXME: we MUST compress consecutive text changes to the same element\n    // (right now each keystroke is saved as a separate command that includes the\n    // entire text contents of the text element)\n    // TODO: consider limiting the history that we store here (need to do some slicing)\n\n    // if our stack pointer is not at the end, then we have to remove\n    // all commands after the pointer and insert the new command\n    if (this.undoStackPointer < this.undoStack.length && this.undoStack.length > 0) {\n      this.undoStack = this.undoStack.splice(0, this.undoStackPointer);\n    }\n    this.undoStack.push(cmd);\n    this.undoStackPointer = this.undoStack.length;\n  }\n\n  /**\n  * This function tells the canvas to remember the old values of the\n  * `attrName` attribute for each element sent in.  The elements and values\n  * are stored on a stack, so the next call to `finishUndoableChange()` will\n  * pop the elements and old values off the stack, gets the current values\n  * from the DOM and uses all of these to construct the undo-able command.\n  * @param {string} attrName - The name of the attribute being changed\n  * @param {Element[]} elems - Array of DOM elements being changed\n  * @returns {undefined}\n  */\n  beginUndoableChange (attrName, elems) {\n    const p = ++this.undoChangeStackPointer;\n    let i = elems.length;\n    const oldValues = new Array(i), elements = new Array(i);\n    while (i--) {\n      const elem = elems[i];\n      if (elem == null) { continue; }\n      elements[i] = elem;\n      oldValues[i] = elem.getAttribute(attrName);\n    }\n    this.undoableChangeStack[p] = {\n      attrName,\n      oldValues,\n      elements\n    };\n  }\n\n  /**\n  * This function returns a `BatchCommand` object which summarizes the\n  * change since `beginUndoableChange` was called.  The command can then\n  * be added to the command history\n  * @returns {BatchCommand} Batch command object with resulting changes\n  */\n  finishUndoableChange () {\n    const p = this.undoChangeStackPointer--;\n    const changeset = this.undoableChangeStack[p];\n    const {attrName} = changeset;\n    const batchCmd = new BatchCommand('Change ' + attrName);\n    let i = changeset.elements.length;\n    while (i--) {\n      const elem = changeset.elements[i];\n      if (elem == null) { continue; }\n      const changes = {};\n      changes[attrName] = changeset.oldValues[i];\n      if (changes[attrName] !== elem.getAttribute(attrName)) {\n        batchCmd.addSubCommand(new ChangeElementCommand(elem, changes, attrName));\n      }\n    }\n    this.undoableChangeStack[p] = null;\n    return batchCmd;\n  }\n}\n","/**\n * Mathematical utilities\n * @module math\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\n/**\n* @typedef {PlainObject} module:math.AngleCoord45\n* @property {Float} x - The angle-snapped x value\n* @property {Float} y - The angle-snapped y value\n* @property {Integer} a - The angle at which to snap\n*/\n\n/**\n* @typedef {PlainObject} module:math.XYObject\n* @property {Float} x\n* @property {Float} y\n*/\n\nimport {NS} from './namespaces.js';\nimport {getTransformList} from './svgtransformlist.js';\n\n// Constants\nconst NEAR_ZERO = 1e-14;\n\n// Throw away SVGSVGElement used for creating matrices/transforms.\nconst svg = document.createElementNS(NS.SVG, 'svg');\n\n/**\n * A (hopefully) quicker function to transform a point by a matrix\n * (this function avoids any DOM calls and just does the math)\n * @function module:math.transformPoint\n * @param {Float} x - Float representing the x coordinate\n * @param {Float} y - Float representing the y coordinate\n * @param {SVGMatrix} m - Matrix object to transform the point with\n * @returns {module:math.XYObject} An x, y object representing the transformed point\n*/\nexport const transformPoint = function (x, y, m) {\n  return {x: m.a * x + m.c * y + m.e, y: m.b * x + m.d * y + m.f};\n};\n\n/**\n * Helper function to check if the matrix performs no actual transform\n * (i.e. exists for identity purposes)\n * @function module:math.isIdentity\n * @param {SVGMatrix} m - The matrix object to check\n * @returns {boolean} Indicates whether or not the matrix is 1,0,0,1,0,0\n*/\nexport const isIdentity = function (m) {\n  return (m.a === 1 && m.b === 0 && m.c === 0 && m.d === 1 && m.e === 0 && m.f === 0);\n};\n\n/**\n * This function tries to return a `SVGMatrix` that is the multiplication `m1 * m2`.\n * We also round to zero when it's near zero\n * @function module:math.matrixMultiply\n * @param {...SVGMatrix} args - Matrix objects to multiply\n * @returns {SVGMatrix} The matrix object resulting from the calculation\n*/\nexport const matrixMultiply = function (...args) {\n  const m = args.reduceRight((prev, m1) => {\n    return m1.multiply(prev);\n  });\n\n  if (Math.abs(m.a) < NEAR_ZERO) { m.a = 0; }\n  if (Math.abs(m.b) < NEAR_ZERO) { m.b = 0; }\n  if (Math.abs(m.c) < NEAR_ZERO) { m.c = 0; }\n  if (Math.abs(m.d) < NEAR_ZERO) { m.d = 0; }\n  if (Math.abs(m.e) < NEAR_ZERO) { m.e = 0; }\n  if (Math.abs(m.f) < NEAR_ZERO) { m.f = 0; }\n\n  return m;\n};\n\n/**\n * See if the given transformlist includes a non-indentity matrix transform\n * @function module:math.hasMatrixTransform\n * @param {SVGTransformList} [tlist] - The transformlist to check\n * @returns {boolean} Whether or not a matrix transform was found\n*/\nexport const hasMatrixTransform = function (tlist) {\n  if (!tlist) { return false; }\n  let num = tlist.numberOfItems;\n  while (num--) {\n    const xform = tlist.getItem(num);\n    if (xform.type === 1 && !isIdentity(xform.matrix)) { return true; }\n  }\n  return false;\n};\n\n/**\n* @typedef {PlainObject} module:math.TransformedBox An object with the following values\n* @property {module:math.XYObject} tl - The top left coordinate\n* @property {module:math.XYObject} tr - The top right coordinate\n* @property {module:math.XYObject} bl - The bottom left coordinate\n* @property {module:math.XYObject} br - The bottom right coordinate\n* @property {PlainObject} aabox - Object with the following values:\n* @property {Float} aabox.x - Float with the axis-aligned x coordinate\n* @property {Float} aabox.y - Float with the axis-aligned y coordinate\n* @property {Float} aabox.width - Float with the axis-aligned width coordinate\n* @property {Float} aabox.height - Float with the axis-aligned height coordinate\n*/\n\n/**\n * Transforms a rectangle based on the given matrix\n * @function module:math.transformBox\n * @param {Float} l - Float with the box's left coordinate\n * @param {Float} t - Float with the box's top coordinate\n * @param {Float} w - Float with the box width\n * @param {Float} h - Float with the box height\n * @param {SVGMatrix} m - Matrix object to transform the box by\n * @returns {module:math.TransformedBox}\n*/\nexport const transformBox = function (l, t, w, h, m) {\n  const tl = transformPoint(l, t, m),\n    tr = transformPoint((l + w), t, m),\n    bl = transformPoint(l, (t + h), m),\n    br = transformPoint((l + w), (t + h), m),\n\n    minx = Math.min(tl.x, tr.x, bl.x, br.x),\n    maxx = Math.max(tl.x, tr.x, bl.x, br.x),\n    miny = Math.min(tl.y, tr.y, bl.y, br.y),\n    maxy = Math.max(tl.y, tr.y, bl.y, br.y);\n\n  return {\n    tl,\n    tr,\n    bl,\n    br,\n    aabox: {\n      x: minx,\n      y: miny,\n      width: (maxx - minx),\n      height: (maxy - miny)\n    }\n  };\n};\n\n/**\n * This returns a single matrix Transform for a given Transform List\n * (this is the equivalent of `SVGTransformList.consolidate()` but unlike\n * that method, this one does not modify the actual `SVGTransformList`).\n * This function is very liberal with its `min`, `max` arguments\n * @function module:math.transformListToTransform\n * @param {SVGTransformList} tlist - The transformlist object\n * @param {Integer} [min=0] - Optional integer indicating start transform position\n * @param {Integer} [max] - Optional integer indicating end transform position;\n *   defaults to one less than the tlist's `numberOfItems`\n * @returns {SVGTransform} A single matrix transform object\n*/\nexport const transformListToTransform = function (tlist, min, max) {\n  if (tlist == null) {\n    // Or should tlist = null have been prevented before this?\n    return svg.createSVGTransformFromMatrix(svg.createSVGMatrix());\n  }\n  min = min || 0;\n  max = max || (tlist.numberOfItems - 1);\n  min = parseInt(min, 10);\n  max = parseInt(max, 10);\n  if (min > max) { const temp = max; max = min; min = temp; }\n  let m = svg.createSVGMatrix();\n  for (let i = min; i <= max; ++i) {\n    // if our indices are out of range, just use a harmless identity matrix\n    const mtom = (i >= 0 && i < tlist.numberOfItems\n      ? tlist.getItem(i).matrix\n      : svg.createSVGMatrix());\n    m = matrixMultiply(m, mtom);\n  }\n  return svg.createSVGTransformFromMatrix(m);\n};\n\n/**\n * Get the matrix object for a given element\n * @function module:math.getMatrix\n * @param {Element} elem - The DOM element to check\n * @returns {SVGMatrix} The matrix object associated with the element's transformlist\n*/\nexport const getMatrix = function (elem) {\n  const tlist = getTransformList(elem);\n  return transformListToTransform(tlist).matrix;\n};\n\n/**\n * Returns a 45 degree angle coordinate associated with the two given\n * coordinates\n * @function module:math.snapToAngle\n * @param {Integer} x1 - First coordinate's x value\n * @param {Integer} x2 - Second coordinate's x value\n * @param {Integer} y1 - First coordinate's y value\n * @param {Integer} y2 - Second coordinate's y value\n * @returns {module:math.AngleCoord45}\n*/\nexport const snapToAngle = function (x1, y1, x2, y2) {\n  const snap = Math.PI / 4; // 45 degrees\n  const dx = x2 - x1;\n  const dy = y2 - y1;\n  const angle = Math.atan2(dy, dx);\n  const dist = Math.sqrt(dx * dx + dy * dy);\n  const snapangle = Math.round(angle / snap) * snap;\n\n  return {\n    x: x1 + dist * Math.cos(snapangle),\n    y: y1 + dist * Math.sin(snapangle),\n    a: snapangle\n  };\n};\n\n/**\n * Check if two rectangles (BBoxes objects) intersect each other\n * @function module:math.rectsIntersect\n * @param {SVGRect} r1 - The first BBox-like object\n * @param {SVGRect} r2 - The second BBox-like object\n * @returns {boolean} True if rectangles intersect\n */\nexport const rectsIntersect = function (r1, r2) {\n  return r2.x < (r1.x + r1.width) &&\n    (r2.x + r2.width) > r1.x &&\n    r2.y < (r1.y + r1.height) &&\n    (r2.y + r2.height) > r1.y;\n};\n","/* globals jQuery */\n/**\n * Path functionality\n * @module path\n * @license MIT\n *\n * @copyright 2011 Alexis Deveria, 2011 Jeff Schiller\n */\n\nimport './svgpathseg.js';\nimport {NS} from './namespaces.js';\nimport {getTransformList} from './svgtransformlist.js';\nimport {shortFloat} from './units.js';\nimport {ChangeElementCommand, BatchCommand} from './history.js';\nimport {\n  transformPoint, getMatrix, snapToAngle, rectsIntersect,\n  transformListToTransform\n} from './math.js';\nimport {\n  assignAttributes, getElem, getRotationAngle, getBBox,\n  getRefElem, findDefs, snapToGrid,\n  getBBox as utilsGetBBox\n} from './utilities.js';\nimport {\n  supportsPathInsertItemBefore, supportsPathReplaceItem, isWebkit\n} from './browser.js';\n\nconst $ = jQuery;\n\nconst segData = {\n  2: ['x', 'y'], // PATHSEG_MOVETO_ABS\n  4: ['x', 'y'], // PATHSEG_LINETO_ABS\n  6: ['x', 'y', 'x1', 'y1', 'x2', 'y2'], // PATHSEG_CURVETO_CUBIC_ABS\n  8: ['x', 'y', 'x1', 'y1'], // PATHSEG_CURVETO_QUADRATIC_ABS\n  10: ['x', 'y', 'r1', 'r2', 'angle', 'largeArcFlag', 'sweepFlag'], // PATHSEG_ARC_ABS\n  12: ['x'], // PATHSEG_LINETO_HORIZONTAL_ABS\n  14: ['y'], // PATHSEG_LINETO_VERTICAL_ABS\n  16: ['x', 'y', 'x2', 'y2'], // PATHSEG_CURVETO_CUBIC_SMOOTH_ABS\n  18: ['x', 'y'] // PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS\n};\n\n/**\n * @tutorial LocaleDocs\n * @typedef {module:locale.LocaleStrings|PlainObject} module:path.uiStrings\n * @property {PlainObject.<string, string>} ui\n*/\n\nconst uiStrings = {};\n/**\n* @function module:path.setUiStrings\n* @param {module:path.uiStrings} strs\n* @returns {undefined}\n*/\nexport const setUiStrings = function (strs) {\n  Object.assign(uiStrings, strs.ui);\n};\n\nlet pathFuncs = [];\n\nlet linkControlPts = true;\n\n// Stores references to paths via IDs.\n// TODO: Make this cross-document happy.\nlet pathData = {};\n\n/**\n* @function module:path.setLinkControlPoints\n* @param {boolean} lcp\n* @returns {undefined}\n*/\nexport const setLinkControlPoints = function (lcp) {\n  linkControlPts = lcp;\n};\n\n/**\n * @name module:path.path\n * @type {null|module:path.Path}\n * @memberof module:path\n*/\nexport let path = null;\n\nlet editorContext_ = null;\n\n/**\n* @external MouseEvent\n*/\n\n/**\n* Object with the following keys/values\n* @typedef {PlainObject} module:path.SVGElementJSON\n* @property {string} element - Tag name of the SVG element to create\n* @property {PlainObject.<string, string>} attr - Has key-value attributes to assign to the new element\n* @property {boolean} [curStyles=false] - Indicates whether current style attributes should be applied first\n* @property {module:path.SVGElementJSON[]} [children] - Data objects to be added recursively as children\n* @property {string} [namespace=\"http://www.w3.org/2000/svg\"] - Indicate a (non-SVG) namespace\n*/\n/**\n * @interface module:path.EditorContext\n * @property {module:select.SelectorManager} selectorManager\n * @property {module:svgcanvas.SvgCanvas} canvas\n */\n/**\n * @function module:path.EditorContext#call\n * @param {\"selected\"|\"changed\"} ev - String with the event name\n * @param {module:svgcanvas.SvgCanvas#event:selected|module:svgcanvas.SvgCanvas#event:changed} arg - Argument to pass through to the callback function. If the event is \"changed\", an array of `Element`s is passed; if \"selected\", a single-item array of `Element` is passed.\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#resetD\n * @param {SVGPathElement} p\n * @returns {undefined}\n*/\n/**\n * Note: This doesn't round to an integer necessarily\n * @function module:path.EditorContext#round\n * @param {Float} val\n * @returns {Float} Rounded value to nearest value based on `currentZoom`\n */\n/**\n * @function module:path.EditorContext#clearSelection\n * @param {boolean} [noCall] - When `true`, does not call the \"selected\" handler\n * @returns {undefined}\n*/\n/**\n * @function module:path.EditorContext#addToSelection\n * @param {Element[]} elemsToAdd - An array of DOM elements to add to the selection\n * @param {boolean} showGrips - Indicates whether the resize grips should be shown\n * @returns {undefined}\n*/\n/**\n * @function module:path.EditorContext#addCommandToHistory\n * @param {Command} cmd\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#remapElement\n * @param {Element} selected - DOM element to be changed\n * @param {PlainObject.<string, string>} changes - Object with changes to be remapped\n * @param {SVGMatrix} m - Matrix object to use for remapping coordinates\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#addSVGElementFromJson\n * @param {module:path.SVGElementJSON} data\n * @returns {Element} The new element\n*/\n/**\n * @function module:path.EditorContext#getGridSnapping\n * @returns {boolean}\n */\n/**\n * @function module:path.EditorContext#getOpacity\n * @returns {Float}\n */\n/**\n * @function module:path.EditorContext#getSelectedElements\n * @returns {Element[]} the array with selected DOM elements\n*/\n/**\n * @function module:path.EditorContext#getContainer\n * @returns {Element}\n */\n/**\n * @function module:path.EditorContext#setStarted\n * @param {boolean} s\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#getRubberBox\n * @returns {SVGRectElement}\n*/\n/**\n * @function module:path.EditorContext#setRubberBox\n * @param {SVGRectElement} rb\n * @returns {SVGRectElement} Same as parameter passed in\n */\n/**\n * @function module:path.EditorContext#addPtsToSelection\n * @param {PlainObject} cfg\n * @param {boolean} cfg.closedSubpath\n * @param {SVGCircleElement[]} cfg.grips\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#endChanges\n * @param {PlainObject} cfg\n * @param {string} cfg.cmd\n * @param {Element} cfg.elem\n * @returns {undefined}\n*/\n/**\n * @function module:path.EditorContext#getCurrentZoom\n * @returns {Float} The current zoom level\n */\n/**\n * Returns the last created DOM element ID string\n * @function module:path.EditorContext#getId\n * @returns {string}\n */\n/**\n * Creates and returns a unique ID string for a DOM element\n * @function module:path.EditorContext#getNextId\n * @returns {string}\n*/\n/**\n * Gets the desired element from a mouse event\n * @function module:path.EditorContext#getMouseTarget\n * @param {external:MouseEvent} evt - Event object from the mouse event\n * @returns {Element} DOM element we want\n */\n/**\n * @function module:path.EditorContext#getCurrentMode\n * @returns {string}\n */\n/**\n * @function module:path.EditorContext#setCurrentMode\n * @param {string} cm The mode\n * @returns {string} The same mode as passed in\n*/\n/**\n * @function module:path.EditorContext#getDrawnPath\n * @returns {SVGPathElement|null}\n */\n/**\n * @function module:path.EditorContext#setDrawnPath\n * @param {SVGPathElement|null} dp\n * @returns {SVGPathElement|null} The same value as passed in\n */\n/**\n * @function module:path.EditorContext#getSVGRoot\n * @returns {SVGSVGElement}\n*/\n\n/**\n* @function module:path.init\n* @param {module:path.EditorContext} editorContext\n* @returns {undefined}\n*/\nexport const init = function (editorContext) {\n  editorContext_ = editorContext;\n\n  pathFuncs = [0, 'ClosePath'];\n  const pathFuncsStrs = ['Moveto', 'Lineto', 'CurvetoCubic', 'CurvetoQuadratic', 'Arc',\n    'LinetoHorizontal', 'LinetoVertical', 'CurvetoCubicSmooth', 'CurvetoQuadraticSmooth'];\n  $.each(pathFuncsStrs, function (i, s) {\n    pathFuncs.push(s + 'Abs');\n    pathFuncs.push(s + 'Rel');\n  });\n};\n\n/**\n* @function module:path.insertItemBefore\n* @param {Element} elem\n* @param {Segment} newseg\n* @param {Integer} index\n* @returns {undefined}\n*/\nexport const insertItemBefore = function (elem, newseg, index) {\n  // Support insertItemBefore on paths for FF2\n  const list = elem.pathSegList;\n\n  if (supportsPathInsertItemBefore()) {\n    list.insertItemBefore(newseg, index);\n    return;\n  }\n  const len = list.numberOfItems;\n  const arr = [];\n  for (let i = 0; i < len; i++) {\n    const curSeg = list.getItem(i);\n    arr.push(curSeg);\n  }\n  list.clear();\n  for (let i = 0; i < len; i++) {\n    if (i === index) { // index + 1\n      list.appendItem(newseg);\n    }\n    list.appendItem(arr[i]);\n  }\n};\n\n/**\n* @function module:path.ptObjToArr\n* @todo See if this should just live in `replacePathSeg`\n* @param {string} type\n* @param {SVGPathSegMovetoAbs|SVGPathSegLinetoAbs|SVGPathSegCurvetoCubicAbs|SVGPathSegCurvetoQuadraticAbs|SVGPathSegArcAbs|SVGPathSegLinetoHorizontalAbs|SVGPathSegLinetoVerticalAbs|SVGPathSegCurvetoCubicSmoothAbs|SVGPathSegCurvetoQuadraticSmoothAbs} segItem\n* @returns {ArgumentsArray}\n*/\nexport const ptObjToArr = function (type, segItem) {\n  const props = segData[type];\n  return props.map((prop) => {\n    return segItem[prop];\n  });\n};\n\n/**\n* @function module:path.getGripPt\n* @param {Segment} seg\n* @param {module:math.XYObject} altPt\n* @returns {module:math.XYObject}\n*/\nexport const getGripPt = function (seg, altPt) {\n  const {path} = seg;\n  let out = {\n    x: altPt ? altPt.x : seg.item.x,\n    y: altPt ? altPt.y : seg.item.y\n  };\n\n  if (path.matrix) {\n    const pt = transformPoint(out.x, out.y, path.matrix);\n    out = pt;\n  }\n\n  const currentZoom = editorContext_.getCurrentZoom();\n  out.x *= currentZoom;\n  out.y *= currentZoom;\n\n  return out;\n};\n\n/**\n* @function module:path.getPointFromGrip\n* @param {module:math.XYObject} pt\n* @param {module:path.Path} path\n* @returns {module:math.XYObject}\n*/\nexport const getPointFromGrip = function (pt, path) {\n  const out = {\n    x: pt.x,\n    y: pt.y\n  };\n\n  if (path.matrix) {\n    pt = transformPoint(out.x, out.y, path.imatrix);\n    out.x = pt.x;\n    out.y = pt.y;\n  }\n\n  const currentZoom = editorContext_.getCurrentZoom();\n  out.x /= currentZoom;\n  out.y /= currentZoom;\n\n  return out;\n};\n\n/**\n* Requires prior call to `setUiStrings` if `xlink:title`\n*    to be set on the grip\n* @function module:path.addPointGrip\n* @param {Integer} index\n* @param {Integer} x\n* @param {Integer} y\n* @returns {SVGCircleElement}\n*/\nexport const addPointGrip = function (index, x, y) {\n  // create the container of all the point grips\n  const pointGripContainer = getGripContainer();\n\n  let pointGrip = getElem('pathpointgrip_' + index);\n  // create it\n  if (!pointGrip) {\n    pointGrip = document.createElementNS(NS.SVG, 'circle');\n    const atts = {\n      id: 'pathpointgrip_' + index,\n      display: 'none',\n      r: 4,\n      fill: '#0FF',\n      stroke: '#00F',\n      'stroke-width': 2,\n      cursor: 'move',\n      style: 'pointer-events:all'\n    };\n    if ('pathNodeTooltip' in uiStrings) { // May be empty if running path.js without svg-editor\n      atts['xlink:title'] = uiStrings.pathNodeTooltip;\n    }\n    assignAttributes(pointGrip, atts);\n    pointGrip = pointGripContainer.appendChild(pointGrip);\n\n    const grip = $('#pathpointgrip_' + index);\n    grip.dblclick(function () {\n      if (path) {\n        path.setSegType();\n      }\n    });\n  }\n  if (x && y) {\n    // set up the point grip element and display it\n    assignAttributes(pointGrip, {\n      cx: x,\n      cy: y,\n      display: 'inline'\n    });\n  }\n  return pointGrip;\n};\n\n/**\n* @function module:path.getGripContainer\n* @returns {Element}\n*/\nexport const getGripContainer = function () {\n  let c = getElem('pathpointgrip_container');\n  if (!c) {\n    const parent = getElem('selectorParentGroup');\n    c = parent.appendChild(document.createElementNS(NS.SVG, 'g'));\n    c.id = 'pathpointgrip_container';\n  }\n  return c;\n};\n\n/**\n* Requires prior call to `setUiStrings` if `xlink:title`\n*    to be set on the grip\n* @function module:path.addCtrlGrip\n* @param {string} id\n* @returns {SVGCircleElement}\n*/\nexport const addCtrlGrip = function (id) {\n  let pointGrip = getElem('ctrlpointgrip_' + id);\n  if (pointGrip) { return pointGrip; }\n\n  pointGrip = document.createElementNS(NS.SVG, 'circle');\n  const atts = {\n    id: 'ctrlpointgrip_' + id,\n    display: 'none',\n    r: 4,\n    fill: '#0FF',\n    stroke: '#55F',\n    'stroke-width': 1,\n    cursor: 'move',\n    style: 'pointer-events:all'\n  };\n  if ('pathCtrlPtTooltip' in uiStrings) { // May be empty if running path.js without svg-editor\n    atts['xlink:title'] = uiStrings.pathCtrlPtTooltip;\n  }\n  assignAttributes(pointGrip, atts);\n  getGripContainer().append(pointGrip);\n  return pointGrip;\n};\n\n/**\n* @function module:path.getCtrlLine\n* @param {string} id\n* @returns {SVGLineElement}\n*/\nexport const getCtrlLine = function (id) {\n  let ctrlLine = getElem('ctrlLine_' + id);\n  if (ctrlLine) { return ctrlLine; }\n\n  ctrlLine = document.createElementNS(NS.SVG, 'line');\n  assignAttributes(ctrlLine, {\n    id: 'ctrlLine_' + id,\n    stroke: '#555',\n    'stroke-width': 1,\n    style: 'pointer-events:none'\n  });\n  getGripContainer().append(ctrlLine);\n  return ctrlLine;\n};\n\n/**\n* @function module:path.getPointGrip\n* @param {Segment} seg\n* @param {boolean} update\n* @returns {SVGCircleElement}\n*/\nexport const getPointGrip = function (seg, update) {\n  const {index} = seg;\n  const pointGrip = addPointGrip(index);\n\n  if (update) {\n    const pt = getGripPt(seg);\n    assignAttributes(pointGrip, {\n      cx: pt.x,\n      cy: pt.y,\n      display: 'inline'\n    });\n  }\n\n  return pointGrip;\n};\n\n/**\n* @function module:path.getControlPoints\n* @param {Segment} seg\n* @returns {PlainObject.<string, SVGLineElement|SVGCircleElement>}\n*/\nexport const getControlPoints = function (seg) {\n  const {item, index} = seg;\n  if (!('x1' in item) || !('x2' in item)) { return null; }\n  const cpt = {};\n  /* const pointGripContainer = */ getGripContainer();\n\n  // Note that this is intentionally not seg.prev.item\n  const prev = path.segs[index - 1].item;\n\n  const segItems = [prev, item];\n\n  for (let i = 1; i < 3; i++) {\n    const id = index + 'c' + i;\n\n    const ctrlLine = cpt['c' + i + '_line'] = getCtrlLine(id);\n\n    const pt = getGripPt(seg, {x: item['x' + i], y: item['y' + i]});\n    const gpt = getGripPt(seg, {x: segItems[i - 1].x, y: segItems[i - 1].y});\n\n    assignAttributes(ctrlLine, {\n      x1: pt.x,\n      y1: pt.y,\n      x2: gpt.x,\n      y2: gpt.y,\n      display: 'inline'\n    });\n\n    cpt['c' + i + '_line'] = ctrlLine;\n\n    // create it\n    const pointGrip = cpt['c' + i] = addCtrlGrip(id);\n\n    assignAttributes(pointGrip, {\n      cx: pt.x,\n      cy: pt.y,\n      display: 'inline'\n    });\n    cpt['c' + i] = pointGrip;\n  }\n  return cpt;\n};\n\n/**\n* This replaces the segment at the given index. Type is given as number.\n* @function module:path.replacePathSeg\n* @param {Integer} type Possible values set during {@link module:path.init}\n* @param {Integer} index\n* @param {ArgumentsArray} pts\n* @param {SVGPathElement} elem\n*/\nexport const replacePathSeg = function (type, index, pts, elem) {\n  const pth = elem || path.elem;\n\n  const func = 'createSVGPathSeg' + pathFuncs[type];\n  const seg = pth[func].apply(pth, pts);\n\n  if (supportsPathReplaceItem()) {\n    pth.pathSegList.replaceItem(seg, index);\n  } else {\n    const segList = pth.pathSegList;\n    const len = segList.numberOfItems;\n    const arr = [];\n    for (let i = 0; i < len; i++) {\n      const curSeg = segList.getItem(i);\n      arr.push(curSeg);\n    }\n    segList.clear();\n    for (let i = 0; i < len; i++) {\n      if (i === index) {\n        segList.appendItem(seg);\n      } else {\n        segList.appendItem(arr[i]);\n      }\n    }\n  }\n};\n\n/**\n* @function module:path.getSegSelector\n* @param {Segment} seg\n* @param {boolean} update\n* @returns {SVGPathElement}\n*/\nexport const getSegSelector = function (seg, update) {\n  const {index} = seg;\n  let segLine = getElem('segline_' + index);\n  if (!segLine) {\n    const pointGripContainer = getGripContainer();\n    // create segline\n    segLine = document.createElementNS(NS.SVG, 'path');\n    assignAttributes(segLine, {\n      id: 'segline_' + index,\n      display: 'none',\n      fill: 'none',\n      stroke: '#0FF',\n      'stroke-width': 2,\n      style: 'pointer-events:none',\n      d: 'M0,0 0,0'\n    });\n    pointGripContainer.append(segLine);\n  }\n\n  if (update) {\n    const {prev} = seg;\n    if (!prev) {\n      segLine.setAttribute('display', 'none');\n      return segLine;\n    }\n\n    const pt = getGripPt(prev);\n    // Set start point\n    replacePathSeg(2, 0, [pt.x, pt.y], segLine);\n\n    const pts = ptObjToArr(seg.type, seg.item); // , true);\n    for (let i = 0; i < pts.length; i += 2) {\n      const pt = getGripPt(seg, {x: pts[i], y: pts[i + 1]});\n      pts[i] = pt.x;\n      pts[i + 1] = pt.y;\n    }\n\n    replacePathSeg(seg.type, 1, pts, segLine);\n  }\n  return segLine;\n};\n\n/**\n * @typedef {PlainObject} Point\n * @property {Integer} x The x value\n * @property {Integer} y The y value\n */\n\n/**\n* Takes three points and creates a smoother line based on them\n* @function module:path.smoothControlPoints\n* @param {Point} ct1 - Object with x and y values (first control point)\n* @param {Point} ct2 - Object with x and y values (second control point)\n* @param {Point} pt - Object with x and y values (third point)\n* @returns {Point[]} Array of two \"smoothed\" point objects\n*/\nexport const smoothControlPoints = function (ct1, ct2, pt) {\n  // each point must not be the origin\n  const x1 = ct1.x - pt.x,\n    y1 = ct1.y - pt.y,\n    x2 = ct2.x - pt.x,\n    y2 = ct2.y - pt.y;\n\n  if ((x1 !== 0 || y1 !== 0) && (x2 !== 0 || y2 !== 0)) {\n    const\n      r1 = Math.sqrt(x1 * x1 + y1 * y1),\n      r2 = Math.sqrt(x2 * x2 + y2 * y2),\n      nct1 = editorContext_.getSVGRoot().createSVGPoint(),\n      nct2 = editorContext_.getSVGRoot().createSVGPoint();\n    let anglea = Math.atan2(y1, x1),\n      angleb = Math.atan2(y2, x2);\n    if (anglea < 0) { anglea += 2 * Math.PI; }\n    if (angleb < 0) { angleb += 2 * Math.PI; }\n\n    const angleBetween = Math.abs(anglea - angleb),\n      angleDiff = Math.abs(Math.PI - angleBetween) / 2;\n\n    let newAnglea, newAngleb;\n    if (anglea - angleb > 0) {\n      newAnglea = angleBetween < Math.PI ? (anglea + angleDiff) : (anglea - angleDiff);\n      newAngleb = angleBetween < Math.PI ? (angleb - angleDiff) : (angleb + angleDiff);\n    } else {\n      newAnglea = angleBetween < Math.PI ? (anglea - angleDiff) : (anglea + angleDiff);\n      newAngleb = angleBetween < Math.PI ? (angleb + angleDiff) : (angleb - angleDiff);\n    }\n\n    // rotate the points\n    nct1.x = r1 * Math.cos(newAnglea) + pt.x;\n    nct1.y = r1 * Math.sin(newAnglea) + pt.y;\n    nct2.x = r2 * Math.cos(newAngleb) + pt.x;\n    nct2.y = r2 * Math.sin(newAngleb) + pt.y;\n\n    return [nct1, nct2];\n  }\n  return undefined;\n};\n\n/**\n*\n*/\nexport class Segment {\n  /**\n  * @param {Integer} index\n  * @param {SVGPathSeg} item\n  * @todo Is `item` be more constrained here?\n  */\n  constructor (index, item) {\n    this.selected = false;\n    this.index = index;\n    this.item = item;\n    this.type = item.pathSegType;\n\n    this.ctrlpts = [];\n    this.ptgrip = null;\n    this.segsel = null;\n  }\n\n  /**\n   * @param {boolean} y\n   * @returns {undefined}\n   */\n  showCtrlPts (y) {\n    for (const i in this.ctrlpts) {\n      if (this.ctrlpts.hasOwnProperty(i)) {\n        this.ctrlpts[i].setAttribute('display', y ? 'inline' : 'none');\n      }\n    }\n  }\n\n  /**\n   * @param {boolean} y\n   * @returns {undefined}\n   */\n  selectCtrls (y) {\n    $('#ctrlpointgrip_' + this.index + 'c1, #ctrlpointgrip_' + this.index + 'c2')\n      .attr('fill', y ? '#0FF' : '#EEE');\n  }\n\n  /**\n   * @param {boolean} y\n   * @returns {undefined}\n   */\n  show (y) {\n    if (this.ptgrip) {\n      this.ptgrip.setAttribute('display', y ? 'inline' : 'none');\n      this.segsel.setAttribute('display', y ? 'inline' : 'none');\n      // Show/hide all control points if available\n      this.showCtrlPts(y);\n    }\n  }\n\n  /**\n   * @param {boolean} y\n   * @returns {undefined}\n   */\n  select (y) {\n    if (this.ptgrip) {\n      this.ptgrip.setAttribute('stroke', y ? '#0FF' : '#00F');\n      this.segsel.setAttribute('display', y ? 'inline' : 'none');\n      if (this.ctrlpts) {\n        this.selectCtrls(y);\n      }\n      this.selected = y;\n    }\n  }\n\n  /**\n   * @returns {undefined}\n   */\n  addGrip () {\n    this.ptgrip = getPointGrip(this, true);\n    this.ctrlpts = getControlPoints(this); // , true);\n    this.segsel = getSegSelector(this, true);\n  }\n\n  /**\n   * @param {boolean} full\n   * @returns {undefined}\n   */\n  update (full) {\n    if (this.ptgrip) {\n      const pt = getGripPt(this);\n      assignAttributes(this.ptgrip, {\n        cx: pt.x,\n        cy: pt.y\n      });\n\n      getSegSelector(this, true);\n\n      if (this.ctrlpts) {\n        if (full) {\n          this.item = path.elem.pathSegList.getItem(this.index);\n          this.type = this.item.pathSegType;\n        }\n        getControlPoints(this);\n      }\n      // this.segsel.setAttribute('display', y ? 'inline' : 'none');\n    }\n  }\n\n  /**\n   * @param {Integer} dx\n   * @param {Integer} dy\n   * @returns {undefined}\n   */\n  move (dx, dy) {\n    const {item} = this;\n\n    const curPts = this.ctrlpts\n      ? [item.x += dx, item.y += dy,\n        item.x1, item.y1, item.x2 += dx, item.y2 += dy\n      ]\n      : [item.x += dx, item.y += dy];\n\n    replacePathSeg(this.type, this.index, curPts);\n\n    if (this.next && this.next.ctrlpts) {\n      const next = this.next.item;\n      const nextPts = [next.x, next.y,\n        next.x1 += dx, next.y1 += dy, next.x2, next.y2];\n      replacePathSeg(this.next.type, this.next.index, nextPts);\n    }\n\n    if (this.mate) {\n      // The last point of a closed subpath has a 'mate',\n      // which is the 'M' segment of the subpath\n      const {item} = this.mate;\n      const pts = [item.x += dx, item.y += dy];\n      replacePathSeg(this.mate.type, this.mate.index, pts);\n      // Has no grip, so does not need 'updating'?\n    }\n\n    this.update(true);\n    if (this.next) { this.next.update(true); }\n  }\n\n  /**\n   * @param {Integer} num\n   * @returns {undefined}\n   */\n  setLinked (num) {\n    let seg, anum, pt;\n    if (num === 2) {\n      anum = 1;\n      seg = this.next;\n      if (!seg) { return; }\n      pt = this.item;\n    } else {\n      anum = 2;\n      seg = this.prev;\n      if (!seg) { return; }\n      pt = seg.item;\n    }\n\n    const {item} = seg;\n    item['x' + anum] = pt.x + (pt.x - this.item['x' + num]);\n    item['y' + anum] = pt.y + (pt.y - this.item['y' + num]);\n\n    const pts = [item.x, item.y,\n      item.x1, item.y1,\n      item.x2, item.y2];\n\n    replacePathSeg(seg.type, seg.index, pts);\n    seg.update(true);\n  }\n\n  /**\n   * @param {Integer} num\n   * @param {Integer} dx\n   * @param {Integer} dy\n   * @returns {undefined}\n   */\n  moveCtrl (num, dx, dy) {\n    const {item} = this;\n    item['x' + num] += dx;\n    item['y' + num] += dy;\n\n    const pts = [item.x, item.y,\n      item.x1, item.y1, item.x2, item.y2];\n\n    replacePathSeg(this.type, this.index, pts);\n    this.update(true);\n  }\n\n  /**\n   * @param {Integer} newType Possible values set during {@link module:path.init}\n   * @param {ArgumentsArray} pts\n   */\n  setType (newType, pts) {\n    replacePathSeg(newType, this.index, pts);\n    this.type = newType;\n    this.item = path.elem.pathSegList.getItem(this.index);\n    this.showCtrlPts(newType === 6);\n    this.ctrlpts = getControlPoints(this);\n    this.update(true);\n  }\n}\n\n/**\n*\n*/\nexport class Path {\n  /**\n  * @param {SVGPathElement}\n  * @throws {Error} If constructed without a path element\n  */\n  constructor (elem) {\n    if (!elem || elem.tagName !== 'path') {\n      throw new Error('svgedit.path.Path constructed without a <path> element');\n    }\n\n    this.elem = elem;\n    this.segs = [];\n    this.selected_pts = [];\n    path = this;\n\n    this.init();\n  }\n\n  /**\n  * Reset path data\n  * @returns {module:path.Path}\n  */\n  init () {\n    // Hide all grips, etc\n\n    // fixed, needed to work on all found elements, not just first\n    $(getGripContainer()).find('*').each(function () {\n      $(this).attr('display', 'none');\n    });\n\n    const segList = this.elem.pathSegList;\n    const len = segList.numberOfItems;\n    this.segs = [];\n    this.selected_pts = [];\n    this.first_seg = null;\n\n    // Set up segs array\n    for (let i = 0; i < len; i++) {\n      const item = segList.getItem(i);\n      const segment = new Segment(i, item);\n      segment.path = this;\n      this.segs.push(segment);\n    }\n\n    const {segs} = this;\n\n    let startI = null;\n    for (let i = 0; i < len; i++) {\n      const seg = segs[i];\n      const nextSeg = (i + 1) >= len ? null : segs[i + 1];\n      const prevSeg = (i - 1) < 0 ? null : segs[i - 1];\n      if (seg.type === 2) {\n        if (prevSeg && prevSeg.type !== 1) {\n          // New sub-path, last one is open,\n          // so add a grip to last sub-path's first point\n          const startSeg = segs[startI];\n          startSeg.next = segs[startI + 1];\n          startSeg.next.prev = startSeg;\n          startSeg.addGrip();\n        }\n        // Remember that this is a starter seg\n        startI = i;\n      } else if (nextSeg && nextSeg.type === 1) {\n        // This is the last real segment of a closed sub-path\n        // Next is first seg after \"M\"\n        seg.next = segs[startI + 1];\n\n        // First seg after \"M\"'s prev is this\n        seg.next.prev = seg;\n        seg.mate = segs[startI];\n        seg.addGrip();\n        if (this.first_seg == null) {\n          this.first_seg = seg;\n        }\n      } else if (!nextSeg) {\n        if (seg.type !== 1) {\n          // Last seg, doesn't close so add a grip\n          // to last sub-path's first point\n          const startSeg = segs[startI];\n          startSeg.next = segs[startI + 1];\n          startSeg.next.prev = startSeg;\n          startSeg.addGrip();\n          seg.addGrip();\n\n          if (!this.first_seg) {\n            // Open path, so set first as real first and add grip\n            this.first_seg = segs[startI];\n          }\n        }\n      } else if (seg.type !== 1) {\n        // Regular segment, so add grip and its \"next\"\n        seg.addGrip();\n\n        // Don't set its \"next\" if it's an \"M\"\n        if (nextSeg && nextSeg.type !== 2) {\n          seg.next = nextSeg;\n          seg.next.prev = seg;\n        }\n      }\n    }\n    return this;\n  }\n\n  /**\n  * @callback module:path.PathEachSegCallback\n  * @this module:path.Segment\n  * @param {Integer} i The index of the seg being iterated\n  * @returns {boolean} Will stop execution of `eachSeg` if returns `false`\n  */\n  /**\n  * @param {module:path.PathEachSegCallback} fn\n  * @returns {undefined}\n  */\n  eachSeg (fn) {\n    const len = this.segs.length;\n    for (let i = 0; i < len; i++) {\n      const ret = fn.call(this.segs[i], i);\n      if (ret === false) { break; }\n    }\n  }\n\n  /**\n  * @param {Integer} index\n  * @returns {undefined}\n  */\n  addSeg (index) {\n    // Adds a new segment\n    const seg = this.segs[index];\n    if (!seg.prev) { return; }\n\n    const {prev} = seg;\n    let newseg, newX, newY;\n    switch (seg.item.pathSegType) {\n    case 4: {\n      newX = (seg.item.x + prev.item.x) / 2;\n      newY = (seg.item.y + prev.item.y) / 2;\n      newseg = this.elem.createSVGPathSegLinetoAbs(newX, newY);\n      break;\n    } case 6: { // make it a curved segment to preserve the shape (WRS)\n      // https://en.wikipedia.org/wiki/De_Casteljau%27s_algorithm#Geometric_interpretation\n      const p0x = (prev.item.x + seg.item.x1) / 2;\n      const p1x = (seg.item.x1 + seg.item.x2) / 2;\n      const p2x = (seg.item.x2 + seg.item.x) / 2;\n      const p01x = (p0x + p1x) / 2;\n      const p12x = (p1x + p2x) / 2;\n      newX = (p01x + p12x) / 2;\n      const p0y = (prev.item.y + seg.item.y1) / 2;\n      const p1y = (seg.item.y1 + seg.item.y2) / 2;\n      const p2y = (seg.item.y2 + seg.item.y) / 2;\n      const p01y = (p0y + p1y) / 2;\n      const p12y = (p1y + p2y) / 2;\n      newY = (p01y + p12y) / 2;\n      newseg = this.elem.createSVGPathSegCurvetoCubicAbs(newX, newY, p0x, p0y, p01x, p01y);\n      const pts = [seg.item.x, seg.item.y, p12x, p12y, p2x, p2y];\n      replacePathSeg(seg.type, index, pts);\n      break;\n    }\n    }\n\n    insertItemBefore(this.elem, newseg, index);\n  }\n\n  /**\n  * @param {Integer} index\n  * @returns {undefined}\n  */\n  deleteSeg (index) {\n    const seg = this.segs[index];\n    const list = this.elem.pathSegList;\n\n    seg.show(false);\n    const {next} = seg;\n    if (seg.mate) {\n      // Make the next point be the \"M\" point\n      const pt = [next.item.x, next.item.y];\n      replacePathSeg(2, next.index, pt);\n\n      // Reposition last node\n      replacePathSeg(4, seg.index, pt);\n\n      list.removeItem(seg.mate.index);\n    } else if (!seg.prev) {\n      // First node of open path, make next point the M\n      // const {item} = seg;\n      const pt = [next.item.x, next.item.y];\n      replacePathSeg(2, seg.next.index, pt);\n      list.removeItem(index);\n    } else {\n      list.removeItem(index);\n    }\n  }\n\n  /**\n  * @param {Integer} index\n  * @returns {boolean}\n  */\n  subpathIsClosed (index) {\n    let closed = false;\n    // Check if subpath is already open\n    path.eachSeg(function (i) {\n      if (i <= index) { return true; }\n      if (this.type === 2) {\n        // Found M first, so open\n        return false;\n      }\n      if (this.type === 1) {\n        // Found Z first, so closed\n        closed = true;\n        return false;\n      }\n    });\n\n    return closed;\n  }\n\n  /**\n  * @param {Integer} index\n  * @returns {undefined}\n  */\n  removePtFromSelection (index) {\n    const pos = this.selected_pts.indexOf(index);\n    if (pos === -1) {\n      return;\n    }\n    this.segs[index].select(false);\n    this.selected_pts.splice(pos, 1);\n  }\n\n  /**\n  * @returns {undefined}\n  */\n  clearSelection () {\n    this.eachSeg(function () {\n      // 'this' is the segment here\n      this.select(false);\n    });\n    this.selected_pts = [];\n  }\n\n  /**\n  * @returns {undefined}\n  */\n  storeD () {\n    this.last_d = this.elem.getAttribute('d');\n  }\n\n  /**\n  * @param {Integer} y\n  * @returns {undefined}\n  */\n  show (y) {\n    // Shows this path's segment grips\n    this.eachSeg(function () {\n      // 'this' is the segment here\n      this.show(y);\n    });\n    if (y) {\n      this.selectPt(this.first_seg.index);\n    }\n    return this;\n  }\n\n  /**\n  * Move selected points\n  * @param {Integer} dx\n  * @param {Integer} dy\n  * @returns {undefined}\n  */\n  movePts (dx, dy) {\n    let i = this.selected_pts.length;\n    while (i--) {\n      const seg = this.segs[this.selected_pts[i]];\n      seg.move(dx, dy);\n    }\n  }\n\n  /**\n  * @param {Integer} dx\n  * @param {Integer} dy\n  * @returns {undefined}\n  */\n  moveCtrl (dx, dy) {\n    const seg = this.segs[this.selected_pts[0]];\n    seg.moveCtrl(this.dragctrl, dx, dy);\n    if (linkControlPts) {\n      seg.setLinked(this.dragctrl);\n    }\n  }\n\n  /**\n  * @param {?Integer} newType See {@link https://www.w3.org/TR/SVG/single-page.html#paths-InterfaceSVGPathSeg}\n  * @returns {undefined}\n  */\n  setSegType (newType) {\n    this.storeD();\n    let i = this.selected_pts.length;\n    let text;\n    while (i--) {\n      const selPt = this.selected_pts[i];\n\n      // Selected seg\n      const cur = this.segs[selPt];\n      const {prev} = cur;\n      if (!prev) { continue; }\n\n      if (!newType) { // double-click, so just toggle\n        text = 'Toggle Path Segment Type';\n\n        // Toggle segment to curve/straight line\n        const oldType = cur.type;\n\n        newType = (oldType === 6) ? 4 : 6;\n      }\n\n      newType = Number(newType);\n\n      const curX = cur.item.x;\n      const curY = cur.item.y;\n      const prevX = prev.item.x;\n      const prevY = prev.item.y;\n      let points;\n      switch (newType) {\n      case 6: {\n        if (cur.olditem) {\n          const old = cur.olditem;\n          points = [curX, curY, old.x1, old.y1, old.x2, old.y2];\n        } else {\n          const diffX = curX - prevX;\n          const diffY = curY - prevY;\n          // get control points from straight line segment\n          /*\n          const ct1x = (prevX + (diffY/2));\n          const ct1y = (prevY - (diffX/2));\n          const ct2x = (curX + (diffY/2));\n          const ct2y = (curY - (diffX/2));\n          */\n          // create control points on the line to preserve the shape (WRS)\n          const ct1x = (prevX + (diffX / 3));\n          const ct1y = (prevY + (diffY / 3));\n          const ct2x = (curX - (diffX / 3));\n          const ct2y = (curY - (diffY / 3));\n          points = [curX, curY, ct1x, ct1y, ct2x, ct2y];\n        }\n        break;\n      } case 4: {\n        points = [curX, curY];\n\n        // Store original prevve segment nums\n        cur.olditem = cur.item;\n        break;\n      }\n      }\n\n      cur.setType(newType, points);\n    }\n    path.endChanges(text);\n  }\n\n  /**\n  * @param {Integer} pt\n  * @param {Integer} ctrlNum\n  * @returns {undefined}\n  */\n  selectPt (pt, ctrlNum) {\n    this.clearSelection();\n    if (pt == null) {\n      this.eachSeg(function (i) {\n        // 'this' is the segment here.\n        if (this.prev) {\n          pt = i;\n        }\n      });\n    }\n    this.addPtsToSelection(pt);\n    if (ctrlNum) {\n      this.dragctrl = ctrlNum;\n\n      if (linkControlPts) {\n        this.segs[pt].setLinked(ctrlNum);\n      }\n    }\n  }\n\n  /**\n  * Update position of all points\n  * @returns {Path}\n  */\n  update () {\n    const {elem} = this;\n    if (getRotationAngle(elem)) {\n      this.matrix = getMatrix(elem);\n      this.imatrix = this.matrix.inverse();\n    } else {\n      this.matrix = null;\n      this.imatrix = null;\n    }\n\n    this.eachSeg(function (i) {\n      this.item = elem.pathSegList.getItem(i);\n      this.update();\n    });\n\n    return this;\n  }\n\n  /**\n  * @param {string} text\n  * @returns {undefined}\n  */\n  endChanges (text) {\n    if (isWebkit()) { editorContext_.resetD(this.elem); }\n    const cmd = new ChangeElementCommand(this.elem, {d: this.last_d}, text);\n    editorContext_.endChanges({cmd, elem: this.elem});\n  }\n\n  /**\n  * @param {Integer|Integer[]} indexes\n  * @returns {undefined}\n  */\n  addPtsToSelection (indexes) {\n    if (!Array.isArray(indexes)) { indexes = [indexes]; }\n    for (let i = 0; i < indexes.length; i++) {\n      const index = indexes[i];\n      const seg = this.segs[index];\n      if (seg.ptgrip) {\n        if (!this.selected_pts.includes(index) && index >= 0) {\n          this.selected_pts.push(index);\n        }\n      }\n    }\n    this.selected_pts.sort();\n    let i = this.selected_pts.length;\n    const grips = [];\n    grips.length = i;\n    // Loop through points to be selected and highlight each\n    while (i--) {\n      const pt = this.selected_pts[i];\n      const seg = this.segs[pt];\n      seg.select(true);\n      grips[i] = seg.ptgrip;\n    }\n\n    const closedSubpath = this.subpathIsClosed(this.selected_pts[0]);\n    editorContext_.addPtsToSelection({grips, closedSubpath});\n  }\n}\n\n/**\n* @function module:path.getPath_\n* @param {SVGPathElement} elem\n* @returns {module:path.Path}\n*/\nexport const getPath_ = function (elem) {\n  let p = pathData[elem.id];\n  if (!p) {\n    p = pathData[elem.id] = new Path(elem);\n  }\n  return p;\n};\n\n/**\n* @function module:path.removePath_\n* @param {string} id\n* @returns {undefined}\n*/\nexport const removePath_ = function (id) {\n  if (id in pathData) { delete pathData[id]; }\n};\n\nlet newcx, newcy, oldcx, oldcy, angle;\n\nconst getRotVals = function (x, y) {\n  let dx = x - oldcx;\n  let dy = y - oldcy;\n\n  // rotate the point around the old center\n  let r = Math.sqrt(dx * dx + dy * dy);\n  let theta = Math.atan2(dy, dx) + angle;\n  dx = r * Math.cos(theta) + oldcx;\n  dy = r * Math.sin(theta) + oldcy;\n\n  // dx,dy should now hold the actual coordinates of each\n  // point after being rotated\n\n  // now we want to rotate them around the new center in the reverse direction\n  dx -= newcx;\n  dy -= newcy;\n\n  r = Math.sqrt(dx * dx + dy * dy);\n  theta = Math.atan2(dy, dx) - angle;\n\n  return {x: r * Math.cos(theta) + newcx,\n    y: r * Math.sin(theta) + newcy};\n};\n\n// If the path was rotated, we must now pay the piper:\n// Every path point must be rotated into the rotated coordinate system of\n// its old center, then determine the new center, then rotate it back\n// This is because we want the path to remember its rotation\n\n/**\n* @function module:path.recalcRotatedPath\n* @todo This is still using ye olde transform methods, can probably\n* be optimized or even taken care of by `recalculateDimensions`\n* @returns {undefined}\n*/\nexport const recalcRotatedPath = function () {\n  const currentPath = path.elem;\n  angle = getRotationAngle(currentPath, true);\n  if (!angle) { return; }\n  // selectedBBoxes[0] = path.oldbbox;\n  const oldbox = path.oldbbox; // selectedBBoxes[0],\n  oldcx = oldbox.x + oldbox.width / 2;\n  oldcy = oldbox.y + oldbox.height / 2;\n  const box = getBBox(currentPath);\n  newcx = box.x + box.width / 2;\n  newcy = box.y + box.height / 2;\n\n  // un-rotate the new center to the proper position\n  const dx = newcx - oldcx,\n    dy = newcy - oldcy,\n    r = Math.sqrt(dx * dx + dy * dy),\n    theta = Math.atan2(dy, dx) + angle;\n\n  newcx = r * Math.cos(theta) + oldcx;\n  newcy = r * Math.sin(theta) + oldcy;\n\n  const list = currentPath.pathSegList;\n\n  let i = list.numberOfItems;\n  while (i) {\n    i -= 1;\n    const seg = list.getItem(i),\n      type = seg.pathSegType;\n    if (type === 1) { continue; }\n\n    const rvals = getRotVals(seg.x, seg.y),\n      points = [rvals.x, rvals.y];\n    if (seg.x1 != null && seg.x2 != null) {\n      const cVals1 = getRotVals(seg.x1, seg.y1);\n      const cVals2 = getRotVals(seg.x2, seg.y2);\n      points.splice(points.length, 0, cVals1.x, cVals1.y, cVals2.x, cVals2.y);\n    }\n    replacePathSeg(type, i, points);\n  } // loop for each point\n\n  /* box = */ getBBox(currentPath);\n  // selectedBBoxes[0].x = box.x; selectedBBoxes[0].y = box.y;\n  // selectedBBoxes[0].width = box.width; selectedBBoxes[0].height = box.height;\n\n  // now we must set the new transform to be rotated around the new center\n  const Rnc = editorContext_.getSVGRoot().createSVGTransform(),\n    tlist = getTransformList(currentPath);\n  Rnc.setRotate((angle * 180.0 / Math.PI), newcx, newcy);\n  tlist.replaceItem(Rnc, 0);\n};\n\n// ====================================\n// Public API starts here\n\n/**\n* @function module:path.clearData\n* @returns {undefined}\n*/\nexport const clearData = function () {\n  pathData = {};\n};\n\n// Making public for mocking\n/**\n* @function module:path.reorientGrads\n* @param {Element} elem\n* @param {SVGMatrix} m\n* @returns {undefined}\n*/\nexport const reorientGrads = function (elem, m) {\n  const bb = utilsGetBBox(elem);\n  for (let i = 0; i < 2; i++) {\n    const type = i === 0 ? 'fill' : 'stroke';\n    const attrVal = elem.getAttribute(type);\n    if (attrVal && attrVal.startsWith('url(')) {\n      const grad = getRefElem(attrVal);\n      if (grad.tagName === 'linearGradient') {\n        let x1 = grad.getAttribute('x1') || 0;\n        let y1 = grad.getAttribute('y1') || 0;\n        let x2 = grad.getAttribute('x2') || 1;\n        let y2 = grad.getAttribute('y2') || 0;\n\n        // Convert to USOU points\n        x1 = (bb.width * x1) + bb.x;\n        y1 = (bb.height * y1) + bb.y;\n        x2 = (bb.width * x2) + bb.x;\n        y2 = (bb.height * y2) + bb.y;\n\n        // Transform those points\n        const pt1 = transformPoint(x1, y1, m);\n        const pt2 = transformPoint(x2, y2, m);\n\n        // Convert back to BB points\n        const gCoords = {};\n\n        gCoords.x1 = (pt1.x - bb.x) / bb.width;\n        gCoords.y1 = (pt1.y - bb.y) / bb.height;\n        gCoords.x2 = (pt2.x - bb.x) / bb.width;\n        gCoords.y2 = (pt2.y - bb.y) / bb.height;\n\n        const newgrad = grad.cloneNode(true);\n        $(newgrad).attr(gCoords);\n\n        newgrad.id = editorContext_.getNextId();\n        findDefs().append(newgrad);\n        elem.setAttribute(type, 'url(#' + newgrad.id + ')');\n      }\n    }\n  }\n};\n\n/**\n* This is how we map paths to our preferred relative segment types\n* @name module:path.pathMap\n* @type {GenericArray}\n*/\nconst pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a',\n  'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];\n\n/**\n * Convert a path to one with only absolute or relative values\n * @todo move to pathActions.js\n * @function module:path.convertPath\n * @param {SVGPathElement} path - the path to convert\n * @param {boolean} toRel - true of convert to relative\n * @returns {string}\n */\nexport const convertPath = function (path, toRel) {\n  const segList = path.pathSegList;\n  const len = segList.numberOfItems;\n  let curx = 0, cury = 0;\n  let d = '';\n  let lastM = null;\n\n  for (let i = 0; i < len; ++i) {\n    const seg = segList.getItem(i);\n    // if these properties are not in the segment, set them to zero\n    let x = seg.x || 0,\n      y = seg.y || 0,\n      x1 = seg.x1 || 0,\n      y1 = seg.y1 || 0,\n      x2 = seg.x2 || 0,\n      y2 = seg.y2 || 0;\n\n    const type = seg.pathSegType;\n    let letter = pathMap[type]['to' + (toRel ? 'Lower' : 'Upper') + 'Case']();\n\n    switch (type) {\n    case 1: // z,Z closepath (Z/z)\n      d += 'z';\n      if (lastM && !toRel) {\n        curx = lastM[0];\n        cury = lastM[1];\n      }\n      break;\n    case 12: // absolute horizontal line (H)\n      x -= curx;\n      // Fallthrough\n    case 13: // relative horizontal line (h)\n      if (toRel) {\n        curx += x;\n        letter = 'l';\n      } else {\n        x += curx;\n        curx = x;\n        letter = 'L';\n      }\n      // Convert to \"line\" for easier editing\n      d += pathDSegment(letter, [[x, cury]]);\n      break;\n    case 14: // absolute vertical line (V)\n      y -= cury;\n      // Fallthrough\n    case 15: // relative vertical line (v)\n      if (toRel) {\n        cury += y;\n        letter = 'l';\n      } else {\n        y += cury;\n        cury = y;\n        letter = 'L';\n      }\n      // Convert to \"line\" for easier editing\n      d += pathDSegment(letter, [[curx, y]]);\n      break;\n    case 2: // absolute move (M)\n    case 4: // absolute line (L)\n    case 18: // absolute smooth quad (T)\n      x -= curx;\n      y -= cury;\n      // Fallthrough\n    case 5: // relative line (l)\n    case 3: // relative move (m)\n    case 19: // relative smooth quad (t)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx;\n        y += cury;\n        curx = x;\n        cury = y;\n      }\n      if (type === 2 || type === 3) { lastM = [curx, cury]; }\n\n      d += pathDSegment(letter, [[x, y]]);\n      break;\n    case 6: // absolute cubic (C)\n      x -= curx; x1 -= curx; x2 -= curx;\n      y -= cury; y1 -= cury; y2 -= cury;\n      // Fallthrough\n    case 7: // relative cubic (c)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx; x1 += curx; x2 += curx;\n        y += cury; y1 += cury; y2 += cury;\n        curx = x;\n        cury = y;\n      }\n      d += pathDSegment(letter, [[x1, y1], [x2, y2], [x, y]]);\n      break;\n    case 8: // absolute quad (Q)\n      x -= curx; x1 -= curx;\n      y -= cury; y1 -= cury;\n      // Fallthrough\n    case 9: // relative quad (q)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx; x1 += curx;\n        y += cury; y1 += cury;\n        curx = x;\n        cury = y;\n      }\n      d += pathDSegment(letter, [[x1, y1], [x, y]]);\n      break;\n    case 10: // absolute elliptical arc (A)\n      x -= curx;\n      y -= cury;\n      // Fallthrough\n    case 11: // relative elliptical arc (a)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx;\n        y += cury;\n        curx = x;\n        cury = y;\n      }\n      d += pathDSegment(letter, [[seg.r1, seg.r2]], [\n        seg.angle,\n        (seg.largeArcFlag ? 1 : 0),\n        (seg.sweepFlag ? 1 : 0)\n      ], [x, y]);\n      break;\n    case 16: // absolute smooth cubic (S)\n      x -= curx; x2 -= curx;\n      y -= cury; y2 -= cury;\n      // Fallthrough\n    case 17: // relative smooth cubic (s)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx; x2 += curx;\n        y += cury; y2 += cury;\n        curx = x;\n        cury = y;\n      }\n      d += pathDSegment(letter, [[x2, y2], [x, y]]);\n      break;\n    } // switch on path segment type\n  } // for each segment\n  return d;\n};\n\n/**\n * TODO: refactor callers in convertPath to use getPathDFromSegments instead of this function.\n * Legacy code refactored from svgcanvas.pathActions.convertPath\n * @param {string} letter - path segment command (letter in potentially either case from {@link module:path.pathMap}; see [SVGPathSeg#pathSegTypeAsLetter]{@link https://www.w3.org/TR/SVG/single-page.html#paths-__svg__SVGPathSeg__pathSegTypeAsLetter})\n * @param {Integer[][]} points - x,y points\n * @param {Integer[][]} [morePoints] - x,y points\n * @param {Integer[]} [lastPoint] - x,y point\n * @returns {string}\n */\nfunction pathDSegment (letter, points, morePoints, lastPoint) {\n  $.each(points, function (i, pnt) {\n    points[i] = shortFloat(pnt);\n  });\n  let segment = letter + points.join(' ');\n  if (morePoints) {\n    segment += ' ' + morePoints.join(' ');\n  }\n  if (lastPoint) {\n    segment += ' ' + shortFloat(lastPoint);\n  }\n  return segment;\n}\n\n/**\n* Group: Path edit functions\n* Functions relating to editing path elements\n* @namespace {PlainObject} pathActions\n* @memberof module:path\n*/\nexport const pathActions = (function () {\n  let subpath = false;\n  let newPoint, firstCtrl;\n\n  let currentPath = null;\n  let hasMoved = false;\n  // No `editorContext_` yet but should be ok as is `null` by default\n  // editorContext_.setDrawnPath(null);\n\n  /**\n  * This function converts a polyline (created by the fh_path tool) into\n  * a path element and coverts every three line segments into a single bezier\n  * curve in an attempt to smooth out the free-hand\n  * @function smoothPolylineIntoPath\n  * @param {Element} element\n  * @returns {Element}\n  */\n  const smoothPolylineIntoPath = function (element) {\n    let i;\n    const {points} = element;\n    const N = points.numberOfItems;\n    if (N >= 4) {\n      // loop through every 3 points and convert to a cubic bezier curve segment\n      //\n      // NOTE: this is cheating, it means that every 3 points has the potential to\n      // be a corner instead of treating each point in an equal manner. In general,\n      // this technique does not look that good.\n      //\n      // I am open to better ideas!\n      //\n      // Reading:\n      // - http://www.efg2.com/Lab/Graphics/Jean-YvesQueinecBezierCurves.htm\n      // - https://www.codeproject.com/KB/graphics/BezierSpline.aspx?msg=2956963\n      // - https://www.ian-ko.com/ET_GeoWizards/UserGuide/smooth.htm\n      // - https://www.cs.mtu.edu/~shene/COURSES/cs3621/NOTES/spline/Bezier/bezier-der.html\n      let curpos = points.getItem(0), prevCtlPt = null;\n      let d = [];\n      d.push(['M', curpos.x, ',', curpos.y, ' C'].join(''));\n      for (i = 1; i <= (N - 4); i += 3) {\n        let ct1 = points.getItem(i);\n        const ct2 = points.getItem(i + 1);\n        const end = points.getItem(i + 2);\n\n        // if the previous segment had a control point, we want to smooth out\n        // the control points on both sides\n        if (prevCtlPt) {\n          const newpts = smoothControlPoints(prevCtlPt, ct1, curpos);\n          if (newpts && newpts.length === 2) {\n            const prevArr = d[d.length - 1].split(',');\n            prevArr[2] = newpts[0].x;\n            prevArr[3] = newpts[0].y;\n            d[d.length - 1] = prevArr.join(',');\n            ct1 = newpts[1];\n          }\n        }\n\n        d.push([ct1.x, ct1.y, ct2.x, ct2.y, end.x, end.y].join(','));\n\n        curpos = end;\n        prevCtlPt = ct2;\n      }\n      // handle remaining line segments\n      d.push('L');\n      while (i < N) {\n        const pt = points.getItem(i);\n        d.push([pt.x, pt.y].join(','));\n        i++;\n      }\n      d = d.join(' ');\n\n      // create new path element\n      element = editorContext_.addSVGElementFromJson({\n        element: 'path',\n        curStyles: true,\n        attr: {\n          id: editorContext_.getId(),\n          d,\n          fill: 'none'\n        }\n      });\n      // No need to call \"changed\", as this is already done under mouseUp\n    }\n    return element;\n  };\n\n  return (/** @lends module:path.pathActions */ {\n    /**\n    * @param {MouseEvent} evt\n    * @param {Element} mouseTarget\n    * @param {Float} startX\n    * @param {Float} startY\n    * @returns {undefined}\n    */\n    mouseDown (evt, mouseTarget, startX, startY) {\n      let id;\n      if (editorContext_.getCurrentMode() === 'path') {\n        let mouseX = startX; // Was this meant to work with the other `mouseX`? (was defined globally so adding `let` to at least avoid a global)\n        let mouseY = startY; // Was this meant to work with the other `mouseY`? (was defined globally so adding `let` to at least avoid a global)\n\n        const currentZoom = editorContext_.getCurrentZoom();\n        let x = mouseX / currentZoom,\n          y = mouseY / currentZoom,\n          stretchy = getElem('path_stretch_line');\n        newPoint = [x, y];\n\n        if (editorContext_.getGridSnapping()) {\n          x = snapToGrid(x);\n          y = snapToGrid(y);\n          mouseX = snapToGrid(mouseX);\n          mouseY = snapToGrid(mouseY);\n        }\n\n        if (!stretchy) {\n          stretchy = document.createElementNS(NS.SVG, 'path');\n          assignAttributes(stretchy, {\n            id: 'path_stretch_line',\n            stroke: '#22C',\n            'stroke-width': '0.5',\n            fill: 'none'\n          });\n          stretchy = getElem('selectorParentGroup').appendChild(stretchy);\n        }\n        stretchy.setAttribute('display', 'inline');\n\n        let keep = null;\n        let index;\n        // if pts array is empty, create path element with M at current point\n        const drawnPath = editorContext_.getDrawnPath();\n        if (!drawnPath) {\n          const dAttr = 'M' + x + ',' + y + ' '; // Was this meant to work with the other `dAttr`? (was defined globally so adding `var` to at least avoid a global)\n          /* drawnPath = */ editorContext_.setDrawnPath(editorContext_.addSVGElementFromJson({\n            element: 'path',\n            curStyles: true,\n            attr: {\n              d: dAttr,\n              id: editorContext_.getNextId(),\n              opacity: editorContext_.getOpacity() / 2\n            }\n          }));\n          // set stretchy line to first point\n          stretchy.setAttribute('d', ['M', mouseX, mouseY, mouseX, mouseY].join(' '));\n          index = subpath ? path.segs.length : 0;\n          addPointGrip(index, mouseX, mouseY);\n        } else {\n          // determine if we clicked on an existing point\n          const seglist = drawnPath.pathSegList;\n          let i = seglist.numberOfItems;\n          const FUZZ = 6 / currentZoom;\n          let clickOnPoint = false;\n          while (i) {\n            i--;\n            const item = seglist.getItem(i);\n            const px = item.x, py = item.y;\n            // found a matching point\n            if (x >= (px - FUZZ) && x <= (px + FUZZ) &&\n              y >= (py - FUZZ) && y <= (py + FUZZ)\n            ) {\n              clickOnPoint = true;\n              break;\n            }\n          }\n\n          // get path element that we are in the process of creating\n          id = editorContext_.getId();\n\n          // Remove previous path object if previously created\n          removePath_(id);\n\n          const newpath = getElem(id);\n          let newseg;\n          let sSeg;\n          const len = seglist.numberOfItems;\n          // if we clicked on an existing point, then we are done this path, commit it\n          // (i, i+1) are the x,y that were clicked on\n          if (clickOnPoint) {\n            // if clicked on any other point but the first OR\n            // the first point was clicked on and there are less than 3 points\n            // then leave the path open\n            // otherwise, close the path\n            if (i <= 1 && len >= 2) {\n              // Create end segment\n              const absX = seglist.getItem(0).x;\n              const absY = seglist.getItem(0).y;\n\n              sSeg = stretchy.pathSegList.getItem(1);\n              if (sSeg.pathSegType === 4) {\n                newseg = drawnPath.createSVGPathSegLinetoAbs(absX, absY);\n              } else {\n                newseg = drawnPath.createSVGPathSegCurvetoCubicAbs(\n                  absX,\n                  absY,\n                  sSeg.x1 / currentZoom,\n                  sSeg.y1 / currentZoom,\n                  absX,\n                  absY\n                );\n              }\n\n              const endseg = drawnPath.createSVGPathSegClosePath();\n              seglist.appendItem(newseg);\n              seglist.appendItem(endseg);\n            } else if (len < 3) {\n              keep = false;\n              return keep;\n            }\n            $(stretchy).remove();\n\n            // This will signal to commit the path\n            // const element = newpath; // Other event handlers define own `element`, so this was probably not meant to interact with them or one which shares state (as there were none); I therefore adding a missing `var` to avoid a global\n            /* drawnPath = */ editorContext_.setDrawnPath(null);\n            editorContext_.setStarted(false);\n\n            if (subpath) {\n              if (path.matrix) {\n                editorContext_.remapElement(newpath, {}, path.matrix.inverse());\n              }\n\n              const newD = newpath.getAttribute('d');\n              const origD = $(path.elem).attr('d');\n              $(path.elem).attr('d', origD + newD);\n              $(newpath).remove();\n              if (path.matrix) {\n                recalcRotatedPath();\n              }\n              init();\n              pathActions.toEditMode(path.elem);\n              path.selectPt();\n              return false;\n            }\n          // else, create a new point, update path element\n          } else {\n            // Checks if current target or parents are #svgcontent\n            if (!$.contains(\n              editorContext_.getContainer(),\n              editorContext_.getMouseTarget(evt)\n            )) {\n              // Clicked outside canvas, so don't make point\n              console.log('Clicked outside canvas');\n              return false;\n            }\n\n            const num = drawnPath.pathSegList.numberOfItems;\n            const last = drawnPath.pathSegList.getItem(num - 1);\n            const lastx = last.x, lasty = last.y;\n\n            if (evt.shiftKey) {\n              const xya = snapToAngle(lastx, lasty, x, y);\n              ({x, y} = xya);\n            }\n\n            // Use the segment defined by stretchy\n            sSeg = stretchy.pathSegList.getItem(1);\n            if (sSeg.pathSegType === 4) {\n              newseg = drawnPath.createSVGPathSegLinetoAbs(\n                editorContext_.round(x),\n                editorContext_.round(y)\n              );\n            } else {\n              newseg = drawnPath.createSVGPathSegCurvetoCubicAbs(\n                editorContext_.round(x),\n                editorContext_.round(y),\n                sSeg.x1 / currentZoom,\n                sSeg.y1 / currentZoom,\n                sSeg.x2 / currentZoom,\n                sSeg.y2 / currentZoom\n              );\n            }\n\n            drawnPath.pathSegList.appendItem(newseg);\n\n            x *= currentZoom;\n            y *= currentZoom;\n\n            // set stretchy line to latest point\n            stretchy.setAttribute('d', ['M', x, y, x, y].join(' '));\n            index = num;\n            if (subpath) { index += path.segs.length; }\n            addPointGrip(index, x, y);\n          }\n          // keep = true;\n        }\n\n        return;\n      }\n\n      // TODO: Make sure currentPath isn't null at this point\n      if (!path) { return; }\n\n      path.storeD();\n\n      ({id} = evt.target);\n      let curPt;\n      if (id.substr(0, 14) === 'pathpointgrip_') {\n        // Select this point\n        curPt = path.cur_pt = parseInt(id.substr(14), 10);\n        path.dragging = [startX, startY];\n        const seg = path.segs[curPt];\n\n        // only clear selection if shift is not pressed (otherwise, add\n        // node to selection)\n        if (!evt.shiftKey) {\n          if (path.selected_pts.length <= 1 || !seg.selected) {\n            path.clearSelection();\n          }\n          path.addPtsToSelection(curPt);\n        } else if (seg.selected) {\n          path.removePtFromSelection(curPt);\n        } else {\n          path.addPtsToSelection(curPt);\n        }\n      } else if (id.startsWith('ctrlpointgrip_')) {\n        path.dragging = [startX, startY];\n\n        const parts = id.split('_')[1].split('c');\n        curPt = Number(parts[0]);\n        const ctrlNum = Number(parts[1]);\n        path.selectPt(curPt, ctrlNum);\n      }\n\n      // Start selection box\n      if (!path.dragging) {\n        let rubberBox = editorContext_.getRubberBox();\n        if (rubberBox == null) {\n          rubberBox = editorContext_.setRubberBox(\n            editorContext_.selectorManager.getRubberBandBox()\n          );\n        }\n        const currentZoom = editorContext_.getCurrentZoom();\n        assignAttributes(rubberBox, {\n          x: startX * currentZoom,\n          y: startY * currentZoom,\n          width: 0,\n          height: 0,\n          display: 'inline'\n        }, 100);\n      }\n    },\n    /**\n    * @param {Float} mouseX\n    * @param {Float} mouseY\n    * @returns {undefined}\n    */\n    mouseMove (mouseX, mouseY) {\n      const currentZoom = editorContext_.getCurrentZoom();\n      hasMoved = true;\n      const drawnPath = editorContext_.getDrawnPath();\n      if (editorContext_.getCurrentMode() === 'path') {\n        if (!drawnPath) { return; }\n        const seglist = drawnPath.pathSegList;\n        const index = seglist.numberOfItems - 1;\n\n        if (newPoint) {\n          // First point\n          // if (!index) { return; }\n\n          // Set control points\n          const pointGrip1 = addCtrlGrip('1c1');\n          const pointGrip2 = addCtrlGrip('0c2');\n\n          // dragging pointGrip1\n          pointGrip1.setAttribute('cx', mouseX);\n          pointGrip1.setAttribute('cy', mouseY);\n          pointGrip1.setAttribute('display', 'inline');\n\n          const ptX = newPoint[0];\n          const ptY = newPoint[1];\n\n          // set curve\n          // const seg = seglist.getItem(index);\n          const curX = mouseX / currentZoom;\n          const curY = mouseY / currentZoom;\n          const altX = (ptX + (ptX - curX));\n          const altY = (ptY + (ptY - curY));\n\n          pointGrip2.setAttribute('cx', altX * currentZoom);\n          pointGrip2.setAttribute('cy', altY * currentZoom);\n          pointGrip2.setAttribute('display', 'inline');\n\n          const ctrlLine = getCtrlLine(1);\n          assignAttributes(ctrlLine, {\n            x1: mouseX,\n            y1: mouseY,\n            x2: altX * currentZoom,\n            y2: altY * currentZoom,\n            display: 'inline'\n          });\n\n          if (index === 0) {\n            firstCtrl = [mouseX, mouseY];\n          } else {\n            const last = seglist.getItem(index - 1);\n            let lastX = last.x;\n            let lastY = last.y;\n\n            if (last.pathSegType === 6) {\n              lastX += (lastX - last.x2);\n              lastY += (lastY - last.y2);\n            } else if (firstCtrl) {\n              lastX = firstCtrl[0] / currentZoom;\n              lastY = firstCtrl[1] / currentZoom;\n            }\n            replacePathSeg(6, index, [ptX, ptY, lastX, lastY, altX, altY], drawnPath);\n          }\n        } else {\n          const stretchy = getElem('path_stretch_line');\n          if (stretchy) {\n            const prev = seglist.getItem(index);\n            if (prev.pathSegType === 6) {\n              const prevX = prev.x + (prev.x - prev.x2);\n              const prevY = prev.y + (prev.y - prev.y2);\n              replacePathSeg(6, 1, [mouseX, mouseY, prevX * currentZoom, prevY * currentZoom, mouseX, mouseY], stretchy);\n            } else if (firstCtrl) {\n              replacePathSeg(6, 1, [mouseX, mouseY, firstCtrl[0], firstCtrl[1], mouseX, mouseY], stretchy);\n            } else {\n              replacePathSeg(4, 1, [mouseX, mouseY], stretchy);\n            }\n          }\n        }\n        return;\n      }\n      // if we are dragging a point, let's move it\n      if (path.dragging) {\n        const pt = getPointFromGrip({\n          x: path.dragging[0],\n          y: path.dragging[1]\n        }, path);\n        const mpt = getPointFromGrip({\n          x: mouseX,\n          y: mouseY\n        }, path);\n        const diffX = mpt.x - pt.x;\n        const diffY = mpt.y - pt.y;\n        path.dragging = [mouseX, mouseY];\n\n        if (path.dragctrl) {\n          path.moveCtrl(diffX, diffY);\n        } else {\n          path.movePts(diffX, diffY);\n        }\n      } else {\n        path.selected_pts = [];\n        path.eachSeg(function (i) {\n          const seg = this;\n          if (!seg.next && !seg.prev) { return; }\n\n          // const {item} = seg;\n          const rubberBox = editorContext_.getRubberBox();\n          const rbb = rubberBox.getBBox();\n\n          const pt = getGripPt(seg);\n          const ptBb = {\n            x: pt.x,\n            y: pt.y,\n            width: 0,\n            height: 0\n          };\n\n          const sel = rectsIntersect(rbb, ptBb);\n\n          this.select(sel);\n          // Note that addPtsToSelection is not being run\n          if (sel) { path.selected_pts.push(seg.index); }\n        });\n      }\n    },\n    /**\n    * @param {Event} evt\n    * @param {Element} element\n    * @param {Float} mouseX\n    * @param {Float} mouseY\n    * @returns {undefined}\n    */\n    mouseUp (evt, element, mouseX, mouseY) {\n      const drawnPath = editorContext_.getDrawnPath();\n      // Create mode\n      if (editorContext_.getCurrentMode() === 'path') {\n        newPoint = null;\n        if (!drawnPath) {\n          element = getElem(editorContext_.getId());\n          editorContext_.setStarted(false);\n          firstCtrl = null;\n        }\n\n        return {\n          keep: true,\n          element\n        };\n      }\n\n      // Edit mode\n      const rubberBox = editorContext_.getRubberBox();\n      if (path.dragging) {\n        const lastPt = path.cur_pt;\n\n        path.dragging = false;\n        path.dragctrl = false;\n        path.update();\n\n        if (hasMoved) {\n          path.endChanges('Move path point(s)');\n        }\n\n        if (!evt.shiftKey && !hasMoved) {\n          path.selectPt(lastPt);\n        }\n      } else if (rubberBox && rubberBox.getAttribute('display') !== 'none') {\n        // Done with multi-node-select\n        rubberBox.setAttribute('display', 'none');\n\n        if (rubberBox.getAttribute('width') <= 2 && rubberBox.getAttribute('height') <= 2) {\n          pathActions.toSelectMode(evt.target);\n        }\n\n      // else, move back to select mode\n      } else {\n        pathActions.toSelectMode(evt.target);\n      }\n      hasMoved = false;\n    },\n    /**\n    * @param {Element} element\n    * @returns {undefined}\n    */\n    toEditMode (element) {\n      path = getPath_(element);\n      editorContext_.setCurrentMode('pathedit');\n      editorContext_.clearSelection();\n      path.show(true).update();\n      path.oldbbox = utilsGetBBox(path.elem);\n      subpath = false;\n    },\n    /**\n    * @param {Element} element\n    * @fires module:svgcanvas.SvgCanvas#event:selected\n    * @returns {undefined}\n    */\n    toSelectMode (elem) {\n      const selPath = (elem === path.elem);\n      editorContext_.setCurrentMode('select');\n      path.show(false);\n      currentPath = false;\n      editorContext_.clearSelection();\n\n      if (path.matrix) {\n        // Rotated, so may need to re-calculate the center\n        recalcRotatedPath();\n      }\n\n      if (selPath) {\n        editorContext_.call('selected', [elem]);\n        editorContext_.addToSelection([elem], true);\n      }\n    },\n    /**\n    * @param {boolean} on\n    * @returns {undefined}\n    */\n    addSubPath (on) {\n      if (on) {\n        // Internally we go into \"path\" mode, but in the UI it will\n        // still appear as if in \"pathedit\" mode.\n        editorContext_.setCurrentMode('path');\n        subpath = true;\n      } else {\n        pathActions.clear(true);\n        pathActions.toEditMode(path.elem);\n      }\n    },\n    /**\n    * @param {Element} target\n    * @returns {undefined}\n    */\n    select (target) {\n      if (currentPath === target) {\n        pathActions.toEditMode(target);\n        editorContext_.setCurrentMode('pathedit');\n      // going into pathedit mode\n      } else {\n        currentPath = target;\n      }\n    },\n    /**\n    * @fires module:svgcanvas.SvgCanvas#event:changed\n    * @returns {undefined}\n    */\n    reorient () {\n      const elem = editorContext_.getSelectedElements()[0];\n      if (!elem) { return; }\n      const angle = getRotationAngle(elem);\n      if (angle === 0) { return; }\n\n      const batchCmd = new BatchCommand('Reorient path');\n      const changes = {\n        d: elem.getAttribute('d'),\n        transform: elem.getAttribute('transform')\n      };\n      batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));\n      editorContext_.clearSelection();\n      this.resetOrientation(elem);\n\n      editorContext_.addCommandToHistory(batchCmd);\n\n      // Set matrix to null\n      getPath_(elem).show(false).matrix = null;\n\n      this.clear();\n\n      editorContext_.addToSelection([elem], true);\n      editorContext_.call('changed', editorContext_.getSelectedElements());\n    },\n\n    /**\n    * @param {boolean} remove Not in use\n    * @returns {undefined}\n    */\n    clear (remove) {\n      const drawnPath = editorContext_.getDrawnPath();\n      currentPath = null;\n      if (drawnPath) {\n        const elem = getElem(editorContext_.getId());\n        $(getElem('path_stretch_line')).remove();\n        $(elem).remove();\n        $(getElem('pathpointgrip_container')).find('*').attr('display', 'none');\n        firstCtrl = null;\n        editorContext_.setDrawnPath(null);\n        editorContext_.setStarted(false);\n      } else if (editorContext_.getCurrentMode() === 'pathedit') {\n        this.toSelectMode();\n      }\n      if (path) { path.init().show(false); }\n    },\n    /**\n    * @param {?(Element|SVGPathElement)} pth\n    * @returns {false|undefined}\n    */\n    resetOrientation (pth) {\n      if (pth == null || pth.nodeName !== 'path') { return false; }\n      const tlist = getTransformList(pth);\n      const m = transformListToTransform(tlist).matrix;\n      tlist.clear();\n      pth.removeAttribute('transform');\n      const segList = pth.pathSegList;\n\n      // Opera/win/non-EN throws an error here.\n      // TODO: Find out why!\n      // Presumed fixed in Opera 10.5, so commented out for now\n\n      // try {\n      const len = segList.numberOfItems;\n      // } catch(err) {\n      //   const fixed_d = pathActions.convertPath(pth);\n      //   pth.setAttribute('d', fixed_d);\n      //   segList = pth.pathSegList;\n      //   const len = segList.numberOfItems;\n      // }\n      // let lastX, lastY;\n      for (let i = 0; i < len; ++i) {\n        const seg = segList.getItem(i);\n        const type = seg.pathSegType;\n        if (type === 1) { continue; }\n        const pts = [];\n        $.each(['', 1, 2], function (j, n) {\n          const x = seg['x' + n], y = seg['y' + n];\n          if (x !== undefined && y !== undefined) {\n            const pt = transformPoint(x, y, m);\n            pts.splice(pts.length, 0, pt.x, pt.y);\n          }\n        });\n        replacePathSeg(type, i, pts, pth);\n      }\n\n      reorientGrads(pth, m);\n    },\n    /**\n    * @returns {undefined}\n    */\n    zoomChange () {\n      if (editorContext_.getCurrentMode() === 'pathedit') {\n        path.update();\n      }\n    },\n    /**\n    * @typedef {PlainObject} module:path.NodePoint\n    * @property {Float} x\n    * @property {Float} y\n    * @property {Integer} type\n    */\n    /**\n    * @returns {module:path.NodePoint}\n    */\n    getNodePoint () {\n      const selPt = path.selected_pts.length ? path.selected_pts[0] : 1;\n\n      const seg = path.segs[selPt];\n      return {\n        x: seg.item.x,\n        y: seg.item.y,\n        type: seg.type\n      };\n    },\n    /**\n    * @param {boolean} linkPoints\n    * @returns {undefined}\n    */\n    linkControlPoints (linkPoints) {\n      setLinkControlPoints(linkPoints);\n    },\n    /**\n    * @returns {undefined}\n    */\n    clonePathNode () {\n      path.storeD();\n\n      const selPts = path.selected_pts;\n      // const {segs} = path;\n\n      let i = selPts.length;\n      const nums = [];\n\n      while (i--) {\n        const pt = selPts[i];\n        path.addSeg(pt);\n\n        nums.push(pt + i);\n        nums.push(pt + i + 1);\n      }\n      path.init().addPtsToSelection(nums);\n\n      path.endChanges('Clone path node(s)');\n    },\n    /**\n    * @returns {undefined}\n    */\n    opencloseSubPath () {\n      const selPts = path.selected_pts;\n      // Only allow one selected node for now\n      if (selPts.length !== 1) { return; }\n\n      const {elem} = path;\n      const list = elem.pathSegList;\n\n      // const len = list.numberOfItems;\n\n      const index = selPts[0];\n\n      let openPt = null;\n      let startItem = null;\n\n      // Check if subpath is already open\n      path.eachSeg(function (i) {\n        if (this.type === 2 && i <= index) {\n          startItem = this.item;\n        }\n        if (i <= index) { return true; }\n        if (this.type === 2) {\n          // Found M first, so open\n          openPt = i;\n          return false;\n        }\n        if (this.type === 1) {\n          // Found Z first, so closed\n          openPt = false;\n          return false;\n        }\n      });\n\n      if (openPt == null) {\n        // Single path, so close last seg\n        openPt = path.segs.length - 1;\n      }\n\n      if (openPt !== false) {\n        // Close this path\n\n        // Create a line going to the previous \"M\"\n        const newseg = elem.createSVGPathSegLinetoAbs(startItem.x, startItem.y);\n\n        const closer = elem.createSVGPathSegClosePath();\n        if (openPt === path.segs.length - 1) {\n          list.appendItem(newseg);\n          list.appendItem(closer);\n        } else {\n          insertItemBefore(elem, closer, openPt);\n          insertItemBefore(elem, newseg, openPt);\n        }\n\n        path.init().selectPt(openPt + 1);\n        return;\n      }\n\n      // M 1,1 L 2,2 L 3,3 L 1,1 z // open at 2,2\n      // M 2,2 L 3,3 L 1,1\n\n      // M 1,1 L 2,2 L 1,1 z M 4,4 L 5,5 L6,6 L 5,5 z\n      // M 1,1 L 2,2 L 1,1 z [M 4,4] L 5,5 L(M)6,6 L 5,5 z\n\n      const seg = path.segs[index];\n\n      if (seg.mate) {\n        list.removeItem(index); // Removes last \"L\"\n        list.removeItem(index); // Removes the \"Z\"\n        path.init().selectPt(index - 1);\n        return;\n      }\n\n      let lastM, zSeg;\n\n      // Find this sub-path's closing point and remove\n      for (let i = 0; i < list.numberOfItems; i++) {\n        const item = list.getItem(i);\n\n        if (item.pathSegType === 2) {\n          // Find the preceding M\n          lastM = i;\n        } else if (i === index) {\n          // Remove it\n          list.removeItem(lastM);\n          // index--;\n        } else if (item.pathSegType === 1 && index < i) {\n          // Remove the closing seg of this subpath\n          zSeg = i - 1;\n          list.removeItem(i);\n          break;\n        }\n      }\n\n      let num = (index - lastM) - 1;\n\n      while (num--) {\n        insertItemBefore(elem, list.getItem(lastM), zSeg);\n      }\n\n      const pt = list.getItem(lastM);\n\n      // Make this point the new \"M\"\n      replacePathSeg(2, lastM, [pt.x, pt.y]);\n\n      // i = index; // i is local here, so has no effect; what was the intent for this?\n\n      path.init().selectPt(0);\n    },\n    /**\n    * @returns {undefined}\n    */\n    deletePathNode () {\n      if (!pathActions.canDeleteNodes) { return; }\n      path.storeD();\n\n      const selPts = path.selected_pts;\n\n      let i = selPts.length;\n      while (i--) {\n        const pt = selPts[i];\n        path.deleteSeg(pt);\n      }\n\n      // Cleanup\n      const cleanup = function () {\n        const segList = path.elem.pathSegList;\n        let len = segList.numberOfItems;\n\n        const remItems = function (pos, count) {\n          while (count--) {\n            segList.removeItem(pos);\n          }\n        };\n\n        if (len <= 1) { return true; }\n\n        while (len--) {\n          const item = segList.getItem(len);\n          if (item.pathSegType === 1) {\n            const prev = segList.getItem(len - 1);\n            const nprev = segList.getItem(len - 2);\n            if (prev.pathSegType === 2) {\n              remItems(len - 1, 2);\n              cleanup();\n              break;\n            } else if (nprev.pathSegType === 2) {\n              remItems(len - 2, 3);\n              cleanup();\n              break;\n            }\n          } else if (item.pathSegType === 2) {\n            if (len > 0) {\n              const prevType = segList.getItem(len - 1).pathSegType;\n              // Path has M M\n              if (prevType === 2) {\n                remItems(len - 1, 1);\n                cleanup();\n                break;\n              // Entire path ends with Z M\n              } else if (prevType === 1 && segList.numberOfItems - 1 === len) {\n                remItems(len, 1);\n                cleanup();\n                break;\n              }\n            }\n          }\n        }\n        return false;\n      };\n\n      cleanup();\n\n      // Completely delete a path with 1 or 0 segments\n      if (path.elem.pathSegList.numberOfItems <= 1) {\n        pathActions.toSelectMode(path.elem);\n        editorContext_.canvas.deleteSelectedElements();\n        return;\n      }\n\n      path.init();\n      path.clearSelection();\n\n      // TODO: Find right way to select point now\n      // path.selectPt(selPt);\n      if (window.opera) { // Opera repaints incorrectly\n        const cp = $(path.elem);\n        cp.attr('d', cp.attr('d'));\n      }\n      path.endChanges('Delete path node(s)');\n    },\n    // Can't seem to use `@borrows` here, so using `@see`\n    /**\n    * Smooth polyline into path\n    * @function module:path.pathActions.smoothPolylineIntoPath\n    * @see module:path~smoothPolylineIntoPath\n    */\n    smoothPolylineIntoPath,\n    /**\n    * @returns {undefined}\n    */\n    setSegType (v) {\n      path.setSegType(v);\n    },\n    /**\n    * @param {string} attr\n    * @param {Float} newValue\n    * @returns {undefined}\n    */\n    moveNode (attr, newValue) {\n      const selPts = path.selected_pts;\n      if (!selPts.length) { return; }\n\n      path.storeD();\n\n      // Get first selected point\n      const seg = path.segs[selPts[0]];\n      const diff = {x: 0, y: 0};\n      diff[attr] = newValue - seg.item[attr];\n\n      seg.move(diff.x, diff.y);\n      path.endChanges('Move path point');\n    },\n    /**\n    * @param {Element} elem\n    * @returns {undefined}\n    */\n    fixEnd (elem) {\n      // Adds an extra segment if the last seg before a Z doesn't end\n      // at its M point\n      // M0,0 L0,100 L100,100 z\n      const segList = elem.pathSegList;\n      const len = segList.numberOfItems;\n      let lastM;\n      for (let i = 0; i < len; ++i) {\n        const item = segList.getItem(i);\n        if (item.pathSegType === 2) {\n          lastM = item;\n        }\n\n        if (item.pathSegType === 1) {\n          const prev = segList.getItem(i - 1);\n          if (prev.x !== lastM.x || prev.y !== lastM.y) {\n            // Add an L segment here\n            const newseg = elem.createSVGPathSegLinetoAbs(lastM.x, lastM.y);\n            insertItemBefore(elem, newseg, i);\n            // Can this be done better?\n            pathActions.fixEnd(elem);\n            break;\n          }\n        }\n      }\n      if (isWebkit()) { editorContext_.resetD(elem); }\n    },\n    // Can't seem to use `@borrows` here, so using `@see`\n    /**\n    * Convert a path to one with only absolute or relative values\n    * @function module:path.pathActions.convertPath\n    * @see module:path.convertPath\n    */\n    convertPath\n  });\n})();\n// end pathActions\n","/* globals jQuery */\n/**\n * Miscellaneous utilities\n * @module utilities\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport './svgpathseg.js';\nimport jqPluginSVG from './jQuery.attr.js'; // Needed for SVG attribute setting and array form with `attr`\nimport {NS} from './namespaces.js';\nimport {getTransformList} from './svgtransformlist.js';\nimport {setUnitAttr, getTypeMap} from './units.js';\nimport {convertPath} from './path.js';\nimport {\n  hasMatrixTransform, transformListToTransform, transformBox\n} from './math.js';\nimport {\n  isWebkit, supportsHVLineContainerBBox, supportsPathBBox, supportsXpath,\n  supportsSelectors\n} from './browser.js';\n\n// Constants\nconst $ = jqPluginSVG(jQuery);\n\n// String used to encode base64.\nconst KEYSTR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n\n// Much faster than running getBBox() every time\nconst visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use';\nconst visElemsArr = visElems.split(',');\n// const hidElems = 'clipPath,defs,desc,feGaussianBlur,filter,linearGradient,marker,mask,metadata,pattern,radialGradient,stop,switch,symbol,title,textPath';\n\nlet editorContext_ = null;\nlet domdoc_ = null;\nlet domcontainer_ = null;\nlet svgroot_ = null;\n\n/**\n* Object with the following keys/values\n* @typedef {PlainObject} module:utilities.SVGElementJSON\n* @property {string} element - Tag name of the SVG element to create\n* @property {PlainObject.<string, string>} attr - Has key-value attributes to assign to the new element\n* @property {boolean} [curStyles=false] - Indicates whether current style attributes should be applied first\n* @property {module:utilities.SVGElementJSON[]} [children] - Data objects to be added recursively as children\n* @property {string} [namespace=\"http://www.w3.org/2000/svg\"] - Indicate a (non-SVG) namespace\n*/\n\n/**\n * An object that creates SVG elements for the canvas.\n *\n * @interface module:utilities.EditorContext\n * @property {module:path.pathActions} pathActions\n */\n/**\n * @function module:utilities.EditorContext#getSVGContent\n * @returns {SVGSVGElement}\n */\n/**\n * Create a new SVG element based on the given object keys/values and add it\n * to the current layer.\n * The element will be run through `cleanupElement` before being returned\n * @function module:utilities.EditorContext#addSVGElementFromJson\n * @param {module:utilities.SVGElementJSON} data\n * @returns {Element} The new element\n*/\n/**\n * @function module:utilities.EditorContext#getSelectedElements\n * @returns {Element[]} the array with selected DOM elements\n*/\n/**\n * @function module:utilities.EditorContext#getDOMDocument\n * @returns {HTMLDocument}\n*/\n/**\n * @function module:utilities.EditorContext#getDOMContainer\n * @returns {HTMLElement}\n*/\n/**\n * @function module:utilities.EditorContext#getSVGRoot\n * @returns {SVGSVGElement}\n*/\n/**\n * @function module:utilities.EditorContext#getBaseUnit\n * @returns {string}\n*/\n/**\n * @function module:utilities.EditorContext#getSnappingStep\n * @returns {Float|string}\n*/\n\n/**\n* @function module:utilities.init\n* @param {module:utilities.EditorContext} editorContext\n* @returns {undefined}\n*/\nexport const init = function (editorContext) {\n  editorContext_ = editorContext;\n  domdoc_ = editorContext.getDOMDocument();\n  domcontainer_ = editorContext.getDOMContainer();\n  svgroot_ = editorContext.getSVGRoot();\n};\n\n/**\n * Used to prevent the [Billion laughs attack]{@link https://en.wikipedia.org/wiki/Billion_laughs_attack}\n * @function module:utilities.dropXMLInteralSubset\n * @param {string} str String to be processed\n * @returns {string} The string with entity declarations in the internal subset removed\n * @todo This might be needed in other places `parseFromString` is used even without LGTM flagging\n */\nexport const dropXMLInteralSubset = (str) => {\n  return str.replace(/(<!DOCTYPE\\s+\\w*\\s*\\[).*(\\?\\]>)/, '$1$2');\n};\n\n/**\n* Converts characters in a string to XML-friendly entities.\n* @function module:utilities.toXml\n* @example `&` becomes `&amp;`\n* @param {string} str - The string to be converted\n* @returns {string} The converted string\n*/\nexport const toXml = function (str) {\n  // &apos; is ok in XML, but not HTML\n  // &gt; does not normally need escaping, though it can if within a CDATA expression (and preceded by \"]]\")\n  return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/\"/g, '&quot;').replace(/'/g, '&#x27;'); // Note: `&apos;` is XML only\n};\n\n/**\n* Converts XML entities in a string to single characters.\n* @function module:utilities.fromXml\n* @example `&amp;` becomes `&`\n* @param {string} str - The string to be converted\n* @returns {string} The converted string\n*/\nexport const fromXml = function (str) {\n  return $('<p/>').html(str).text();\n};\n\n// This code was written by Tyler Akins and has been placed in the\n// public domain.  It would be nice if you left this header intact.\n// Base64 code from Tyler Akins -- http://rumkin.com\n\n// schiller: Removed string concatenation in favour of Array.join() optimization,\n//        also precalculate the size of the array needed.\n\n/**\n* Converts a string to base64\n* @function module:utilities.encode64\n* @param {string} input\n* @returns {string} Base64 output\n*/\nexport const encode64 = function (input) {\n  // base64 strings are 4/3 larger than the original string\n  input = encodeUTF8(input); // convert non-ASCII characters\n  // input = convertToXMLReferences(input);\n  if (window.btoa) {\n    return window.btoa(input); // Use native if available\n  }\n  const output = [];\n  output.length = Math.floor((input.length + 2) / 3) * 4;\n\n  let i = 0, p = 0;\n  do {\n    const chr1 = input.charCodeAt(i++);\n    const chr2 = input.charCodeAt(i++);\n    const chr3 = input.charCodeAt(i++);\n\n    const enc1 = chr1 >> 2;\n    const enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);\n\n    let enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);\n    let enc4 = chr3 & 63;\n\n    if (isNaN(chr2)) {\n      enc3 = enc4 = 64;\n    } else if (isNaN(chr3)) {\n      enc4 = 64;\n    }\n\n    output[p++] = KEYSTR.charAt(enc1);\n    output[p++] = KEYSTR.charAt(enc2);\n    output[p++] = KEYSTR.charAt(enc3);\n    output[p++] = KEYSTR.charAt(enc4);\n  } while (i < input.length);\n\n  return output.join('');\n};\n\n/**\n* Converts a string from base64\n* @function module:utilities.decode64\n* @param {string} input Base64-encoded input\n* @returns {string} Decoded output\n*/\nexport const decode64 = function (input) {\n  if (window.atob) {\n    return decodeUTF8(window.atob(input));\n  }\n\n  // remove all characters that are not A-Z, a-z, 0-9, +, /, or =\n  input = input.replace(/[^A-Za-z0-9+/=]/g, '');\n\n  let output = '';\n  let i = 0;\n\n  do {\n    const enc1 = KEYSTR.indexOf(input.charAt(i++));\n    const enc2 = KEYSTR.indexOf(input.charAt(i++));\n    const enc3 = KEYSTR.indexOf(input.charAt(i++));\n    const enc4 = KEYSTR.indexOf(input.charAt(i++));\n\n    const chr1 = (enc1 << 2) | (enc2 >> 4);\n    const chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);\n    const chr3 = ((enc3 & 3) << 6) | enc4;\n\n    output += String.fromCharCode(chr1);\n\n    if (enc3 !== 64) {\n      output = output + String.fromCharCode(chr2);\n    }\n    if (enc4 !== 64) {\n      output = output + String.fromCharCode(chr3);\n    }\n  } while (i < input.length);\n  return decodeUTF8(output);\n};\n\n/**\n* @function module:utilities.decodeUTF8\n* @param {string} argString\n* @returns {string}\n*/\nexport const decodeUTF8 = function (argString) {\n  return decodeURIComponent(escape(argString));\n};\n\n// codedread:does not seem to work with webkit-based browsers on OSX // Brettz9: please test again as function upgraded\n/**\n* @function module:utilities.encodeUTF8\n* @param {string} argString\n* @returns {string}\n*/\nexport const encodeUTF8 = function (argString) {\n  return unescape(encodeURIComponent(argString));\n};\n\n/**\n * convert dataURL to object URL\n * @function module:utilities.dataURLToObjectURL\n * @param {string} dataurl\n * @returns {string} object URL or empty string\n */\nexport const dataURLToObjectURL = function (dataurl) {\n  if (typeof Uint8Array === 'undefined' || typeof Blob === 'undefined' || typeof URL === 'undefined' || !URL.createObjectURL) {\n    return '';\n  }\n  const arr = dataurl.split(','), mime = arr[0].match(/:(.*?);/)[1],\n    bstr = atob(arr[1]);\n  let n = bstr.length;\n  const u8arr = new Uint8Array(n);\n  while (n--) {\n    u8arr[n] = bstr.charCodeAt(n);\n  }\n  const blob = new Blob([u8arr], {type: mime});\n  return URL.createObjectURL(blob);\n};\n\n/**\n * get object URL for a blob object\n * @function module:utilities.createObjectURL\n * @param {Blob} blob A Blob object or File object\n * @returns {string} object URL or empty string\n */\nexport const createObjectURL = function (blob) {\n  if (!blob || typeof URL === 'undefined' || !URL.createObjectURL) {\n    return '';\n  }\n  return URL.createObjectURL(blob);\n};\n\n/**\n * @property {string} blankPageObjectURL\n */\nexport const blankPageObjectURL = (function () {\n  if (typeof Blob === 'undefined') {\n    return '';\n  }\n  const blob = new Blob(['<html><head><title>SVG-edit</title></head><body>&nbsp;</body></html>'], {type: 'text/html'});\n  return createObjectURL(blob);\n})();\n\n/**\n* Converts a string to use XML references (for non-ASCII)\n* @function module:utilities.convertToXMLReferences\n* @param {string} input\n* @returns {string} Decimal numeric character references\n*/\nexport const convertToXMLReferences = function (input) {\n  let output = '';\n  [...input].forEach((ch) => {\n    const c = ch.charCodeAt();\n    if (c <= 127) {\n      output += ch;\n    } else {\n      output += `&#${c};`;\n    }\n  });\n  return output;\n};\n\n/**\n* Cross-browser compatible method of converting a string to an XML tree\n* found this function [here]{@link http://groups.google.com/group/jquery-dev/browse_thread/thread/c6d11387c580a77f}\n* @function module:utilities.text2xml\n* @param {string} sXML\n* @throws {Error}\n* @returns {XMLDocument}\n*/\nexport const text2xml = function (sXML) {\n  if (sXML.includes('<svg:svg')) {\n    sXML = sXML.replace(/<(\\/?)svg:/g, '<$1').replace('xmlns:svg', 'xmlns');\n  }\n\n  let out, dXML;\n  try {\n    dXML = (window.DOMParser) ? new DOMParser() : new window.ActiveXObject('Microsoft.XMLDOM');\n    dXML.async = false;\n  } catch (e) {\n    throw new Error('XML Parser could not be instantiated');\n  }\n  try {\n    if (dXML.loadXML) {\n      out = (dXML.loadXML(sXML)) ? dXML : false;\n    } else {\n      out = dXML.parseFromString(sXML, 'text/xml');\n    }\n  } catch (e2) { throw new Error('Error parsing XML string'); }\n  return out;\n};\n\n/**\n* @typedef {PlainObject} module:utilities.BBoxObject (like `DOMRect`)\n* @property {Float} x\n* @property {Float} y\n* @property {Float} width\n* @property {Float} height\n*/\n\n/**\n* Converts a `SVGRect` into an object.\n* @function module:utilities.bboxToObj\n* @param {SVGRect} bbox - a SVGRect\n* @returns {module:utilities.BBoxObject} An object with properties names x, y, width, height.\n*/\nexport const bboxToObj = function ({x, y, width, height}) {\n  return {x, y, width, height};\n};\n\n/**\n* @callback module:utilities.TreeWalker\n* @param {Element} elem - DOM element being traversed\n* @returns {undefined}\n*/\n\n/**\n* Walks the tree and executes the callback on each element in a top-down fashion\n* @function module:utilities.walkTree\n* @param {Element} elem - DOM element to traverse\n* @param {module:utilities.TreeWalker} cbFn - Callback function to run on each element\n* @returns {undefined}\n*/\nexport const walkTree = function (elem, cbFn) {\n  if (elem && elem.nodeType === 1) {\n    cbFn(elem);\n    let i = elem.childNodes.length;\n    while (i--) {\n      walkTree(elem.childNodes.item(i), cbFn);\n    }\n  }\n};\n\n/**\n* Walks the tree and executes the callback on each element in a depth-first fashion\n* @function module:utilities.walkTreePost\n* @todo FIXME: Shouldn't this be calling walkTreePost?\n* @param {Element} elem - DOM element to traverse\n* @param {module:utilities.TreeWalker} cbFn - Callback function to run on each element\n* @returns {undefined}\n*/\nexport const walkTreePost = function (elem, cbFn) {\n  if (elem && elem.nodeType === 1) {\n    let i = elem.childNodes.length;\n    while (i--) {\n      walkTree(elem.childNodes.item(i), cbFn);\n    }\n    cbFn(elem);\n  }\n};\n\n/**\n* Extracts the URL from the `url(...)` syntax of some attributes.\n* Three variants:\n*  - `<circle fill=\"url(someFile.svg#foo)\" />`\n*  - `<circle fill=\"url('someFile.svg#foo')\" />`\n*  - `<circle fill='url(\"someFile.svg#foo\")' />`\n* @function module:utilities.getUrlFromAttr\n* @param {string} attrVal The attribute value as a string\n* @returns {string} String with just the URL, like \"someFile.svg#foo\"\n*/\nexport const getUrlFromAttr = function (attrVal) {\n  if (attrVal) {\n    // url('#somegrad')\n    if (attrVal.startsWith('url(\"')) {\n      return attrVal.substring(5, attrVal.indexOf('\"', 6));\n    }\n    // url('#somegrad')\n    if (attrVal.startsWith(\"url('\")) {\n      return attrVal.substring(5, attrVal.indexOf(\"'\", 6));\n    }\n    if (attrVal.startsWith('url(')) {\n      return attrVal.substring(4, attrVal.indexOf(')'));\n    }\n  }\n  return null;\n};\n\n/**\n* @function module:utilities.getHref\n* @param {Element} elem\n* @returns {string} The given element's `xlink:href` value\n*/\nexport let getHref = function (elem) {\n  return elem.getAttributeNS(NS.XLINK, 'href');\n};\n\n/**\n* Sets the given element's `xlink:href` value\n* @function module:utilities.setHref\n* @param {Element} elem\n* @param {string} val\n* @returns {undefined}\n*/\nexport let setHref = function (elem, val) {\n  elem.setAttributeNS(NS.XLINK, 'xlink:href', val);\n};\n\n/**\n* @function module:utilities.findDefs\n* @returns {SVGDefsElement} The document's `<defs>` element, creating it first if necessary\n*/\nexport const findDefs = function () {\n  const svgElement = editorContext_.getSVGContent();\n  let defs = svgElement.getElementsByTagNameNS(NS.SVG, 'defs');\n  if (defs.length > 0) {\n    defs = defs[0];\n  } else {\n    defs = svgElement.ownerDocument.createElementNS(NS.SVG, 'defs');\n    if (svgElement.firstChild) {\n      // first child is a comment, so call nextSibling\n      svgElement.insertBefore(defs, svgElement.firstChild.nextSibling);\n      // svgElement.firstChild.nextSibling.before(defs); // Not safe\n    } else {\n      svgElement.append(defs);\n    }\n  }\n  return defs;\n};\n\n// TODO(codedread): Consider moving the next to functions to bbox.js\n\n/**\n* Get correct BBox for a path in Webkit.\n* Converted from code found [here]{@link http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html}\n* @function module:utilities.getPathBBox\n* @param {SVGPathElement} path - The path DOM element to get the BBox for\n* @returns {module:utilities.BBoxObject} A BBox-like object\n*/\nexport const getPathBBox = function (path) {\n  const seglist = path.pathSegList;\n  const tot = seglist.numberOfItems;\n\n  const bounds = [[], []];\n  const start = seglist.getItem(0);\n  let P0 = [start.x, start.y];\n\n  for (let i = 0; i < tot; i++) {\n    const seg = seglist.getItem(i);\n\n    if (seg.x === undefined) { continue; }\n\n    // Add actual points to limits\n    bounds[0].push(P0[0]);\n    bounds[1].push(P0[1]);\n\n    if (seg.x1) {\n      const P1 = [seg.x1, seg.y1],\n        P2 = [seg.x2, seg.y2],\n        P3 = [seg.x, seg.y];\n\n      for (let j = 0; j < 2; j++) {\n        const calc = function (t) {\n          return Math.pow(1 - t, 3) * P0[j] +\n            3 * Math.pow(1 - t, 2) * t * P1[j] +\n            3 * (1 - t) * Math.pow(t, 2) * P2[j] +\n            Math.pow(t, 3) * P3[j];\n        };\n\n        const b = 6 * P0[j] - 12 * P1[j] + 6 * P2[j];\n        const a = -3 * P0[j] + 9 * P1[j] - 9 * P2[j] + 3 * P3[j];\n        const c = 3 * P1[j] - 3 * P0[j];\n\n        if (a === 0) {\n          if (b === 0) {\n            continue;\n          }\n          const t = -c / b;\n          if (t > 0 && t < 1) {\n            bounds[j].push(calc(t));\n          }\n          continue;\n        }\n        const b2ac = Math.pow(b, 2) - 4 * c * a;\n        if (b2ac < 0) { continue; }\n        const t1 = (-b + Math.sqrt(b2ac)) / (2 * a);\n        if (t1 > 0 && t1 < 1) { bounds[j].push(calc(t1)); }\n        const t2 = (-b - Math.sqrt(b2ac)) / (2 * a);\n        if (t2 > 0 && t2 < 1) { bounds[j].push(calc(t2)); }\n      }\n      P0 = P3;\n    } else {\n      bounds[0].push(seg.x);\n      bounds[1].push(seg.y);\n    }\n  }\n\n  const x = Math.min.apply(null, bounds[0]);\n  const w = Math.max.apply(null, bounds[0]) - x;\n  const y = Math.min.apply(null, bounds[1]);\n  const h = Math.max.apply(null, bounds[1]) - y;\n  return {\n    x,\n    y,\n    width: w,\n    height: h\n  };\n};\n\n/**\n* Get the given/selected element's bounding box object, checking for\n* horizontal/vertical lines (see issue 717)\n* Note that performance is currently terrible, so some way to improve would\n* be great.\n* @param {Element} selected - Container or `<use>` DOM element\n* @returns {DOMRect} Bounding box object\n*/\nfunction groupBBFix (selected) {\n  if (supportsHVLineContainerBBox()) {\n    try { return selected.getBBox(); } catch (e) {}\n  }\n  const ref = $.data(selected, 'ref');\n  let matched = null;\n  let ret, copy;\n\n  if (ref) {\n    copy = $(ref).children().clone().attr('visibility', 'hidden');\n    $(svgroot_).append(copy);\n    matched = copy.filter('line, path');\n  } else {\n    matched = $(selected).find('line, path');\n  }\n\n  let issue = false;\n  if (matched.length) {\n    matched.each(function () {\n      const bb = this.getBBox();\n      if (!bb.width || !bb.height) {\n        issue = true;\n      }\n    });\n    if (issue) {\n      const elems = ref ? copy : $(selected).children();\n      ret = getStrokedBBox(elems);\n    } else {\n      ret = selected.getBBox();\n    }\n  } else {\n    ret = selected.getBBox();\n  }\n  if (ref) {\n    copy.remove();\n  }\n  return ret;\n}\n\n/**\n* Get the given/selected element's bounding box object, convert it to be more\n* usable when necessary\n* @function module:utilities.getBBox\n* @param {Element} elem - Optional DOM element to get the BBox for\n* @returns {module:utilities.BBoxObject} Bounding box object\n*/\nexport const getBBox = function (elem) {\n  const selected = elem || editorContext_.geSelectedElements()[0];\n  if (elem.nodeType !== 1) { return null; }\n  const elname = selected.nodeName;\n\n  let ret = null;\n  switch (elname) {\n  case 'text':\n    if (selected.textContent === '') {\n      selected.textContent = 'a'; // Some character needed for the selector to use.\n      ret = selected.getBBox();\n      selected.textContent = '';\n    } else {\n      if (selected.getBBox) { ret = selected.getBBox(); }\n    }\n    break;\n  case 'path':\n    if (!supportsPathBBox()) {\n      ret = getPathBBox(selected);\n    } else {\n      if (selected.getBBox) { ret = selected.getBBox(); }\n    }\n    break;\n  case 'g':\n  case 'a':\n    ret = groupBBFix(selected);\n    break;\n  default:\n\n    if (elname === 'use') {\n      ret = groupBBFix(selected); // , true);\n    }\n    if (elname === 'use' || (elname === 'foreignObject' && isWebkit())) {\n      if (!ret) { ret = selected.getBBox(); }\n      // This is resolved in later versions of webkit, perhaps we should\n      // have a featured detection for correct 'use' behavior?\n      // ——————————\n      if (!isWebkit()) {\n        const bb = {};\n        bb.width = ret.width;\n        bb.height = ret.height;\n        bb.x = ret.x + parseFloat(selected.getAttribute('x') || 0);\n        bb.y = ret.y + parseFloat(selected.getAttribute('y') || 0);\n        ret = bb;\n      }\n    } else if (visElemsArr.includes(elname)) {\n      if (selected) {\n        try {\n          ret = selected.getBBox();\n        } catch (err) {\n          // tspan (and textPath apparently) have no `getBBox` in Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=937268\n          // Re: Chrome returning bbox for containing text element, see: https://bugs.chromium.org/p/chromium/issues/detail?id=349835\n          const extent = selected.getExtentOfChar(0); // pos+dimensions of the first glyph\n          const width = selected.getComputedTextLength(); // width of the tspan\n          ret = {\n            x: extent.x,\n            y: extent.y,\n            width,\n            height: extent.height\n          };\n        }\n      } else {\n        // Check if element is child of a foreignObject\n        const fo = $(selected).closest('foreignObject');\n        if (fo.length) {\n          if (fo[0].getBBox) {\n            ret = fo[0].getBBox();\n          }\n        }\n      }\n    }\n  }\n  if (ret) {\n    ret = bboxToObj(ret);\n  }\n\n  // get the bounding box from the DOM (which is in that element's coordinate system)\n  return ret;\n};\n\n/**\n* @typedef {GenericArray} module:utilities.PathSegmentArray\n* @property {Integer} length 2\n* @property {\"M\"|\"L\"|\"C\"|\"Z\"} 0\n* @property {Float[]} 1\n*/\n\n/**\n* Create a path 'd' attribute from path segments.\n* Each segment is an array of the form: `[singleChar, [x,y, x,y, ...]]`\n* @function module:utilities.getPathDFromSegments\n* @param {module:utilities.PathSegmentArray[]} pathSegments - An array of path segments to be converted\n* @returns {string} The converted path d attribute.\n*/\nexport const getPathDFromSegments = function (pathSegments) {\n  let d = '';\n\n  $.each(pathSegments, function (j, [singleChar, pts]) {\n    d += singleChar;\n    for (let i = 0; i < pts.length; i += 2) {\n      d += (pts[i] + ',' + pts[i + 1]) + ' ';\n    }\n  });\n\n  return d;\n};\n\n/**\n* Make a path 'd' attribute from a simple SVG element shape.\n* @function module:utilities.getPathDFromElement\n* @param {Element} elem - The element to be converted\n* @returns {string} The path d attribute or `undefined` if the element type is unknown.\n*/\nexport const getPathDFromElement = function (elem) {\n  // Possibly the cubed root of 6, but 1.81 works best\n  let num = 1.81;\n  let d, a, rx, ry;\n  switch (elem.tagName) {\n  case 'ellipse':\n  case 'circle':\n    a = $(elem).attr(['rx', 'ry', 'cx', 'cy']);\n    const {cx, cy} = a;\n    ({rx, ry} = a);\n    if (elem.tagName === 'circle') {\n      rx = ry = $(elem).attr('r');\n    }\n\n    d = getPathDFromSegments([\n      ['M', [(cx - rx), (cy)]],\n      ['C', [(cx - rx), (cy - ry / num), (cx - rx / num), (cy - ry), (cx), (cy - ry)]],\n      ['C', [(cx + rx / num), (cy - ry), (cx + rx), (cy - ry / num), (cx + rx), (cy)]],\n      ['C', [(cx + rx), (cy + ry / num), (cx + rx / num), (cy + ry), (cx), (cy + ry)]],\n      ['C', [(cx - rx / num), (cy + ry), (cx - rx), (cy + ry / num), (cx - rx), (cy)]],\n      ['Z', []]\n    ]);\n    break;\n  case 'path':\n    d = elem.getAttribute('d');\n    break;\n  case 'line':\n    a = $(elem).attr(['x1', 'y1', 'x2', 'y2']);\n    d = 'M' + a.x1 + ',' + a.y1 + 'L' + a.x2 + ',' + a.y2;\n    break;\n  case 'polyline':\n    d = 'M' + elem.getAttribute('points');\n    break;\n  case 'polygon':\n    d = 'M' + elem.getAttribute('points') + ' Z';\n    break;\n  case 'rect':\n    const r = $(elem).attr(['rx', 'ry']);\n    ({rx, ry} = r);\n    const b = elem.getBBox();\n    const {x, y} = b, w = b.width, h = b.height;\n    num = 4 - num; // Why? Because!\n\n    if (!rx && !ry) {\n      // Regular rect\n      d = getPathDFromSegments([\n        ['M', [x, y]],\n        ['L', [x + w, y]],\n        ['L', [x + w, y + h]],\n        ['L', [x, y + h]],\n        ['L', [x, y]],\n        ['Z', []]\n      ]);\n    } else {\n      d = getPathDFromSegments([\n        ['M', [x, y + ry]],\n        ['C', [x, y + ry / num, x + rx / num, y, x + rx, y]],\n        ['L', [x + w - rx, y]],\n        ['C', [x + w - rx / num, y, x + w, y + ry / num, x + w, y + ry]],\n        ['L', [x + w, y + h - ry]],\n        ['C', [x + w, y + h - ry / num, x + w - rx / num, y + h, x + w - rx, y + h]],\n        ['L', [x + rx, y + h]],\n        ['C', [x + rx / num, y + h, x, y + h - ry / num, x, y + h - ry]],\n        ['L', [x, y + ry]],\n        ['Z', []]\n      ]);\n    }\n    break;\n  default:\n    break;\n  }\n\n  return d;\n};\n\n/**\n* Get a set of attributes from an element that is useful for convertToPath.\n* @function module:utilities.getExtraAttributesForConvertToPath\n* @param {Element} elem - The element to be probed\n* @returns {PlainObject.<\"marker-start\"|\"marker-end\"|\"marker-mid\"|\"filter\"|\"clip-path\", string>} An object with attributes.\n*/\nexport const getExtraAttributesForConvertToPath = function (elem) {\n  const attrs = {};\n  // TODO: make this list global so that we can properly maintain it\n  // TODO: what about @transform, @clip-rule, @fill-rule, etc?\n  $.each(['marker-start', 'marker-end', 'marker-mid', 'filter', 'clip-path'], function () {\n    const a = elem.getAttribute(this);\n    if (a) {\n      attrs[this] = a;\n    }\n  });\n  return attrs;\n};\n\n/**\n* Get the BBox of an element-as-path\n* @function module:utilities.getBBoxOfElementAsPath\n* @param {Element} elem - The DOM element to be probed\n* @param {module:utilities.EditorContext#addSVGElementFromJson} addSVGElementFromJson - Function to add the path element to the current layer. See canvas.addSVGElementFromJson\n* @param {module:path.pathActions} pathActions - If a transform exists, `pathActions.resetOrientation()` is used. See: canvas.pathActions.\n* @returns {DOMRect|false} The resulting path's bounding box object.\n*/\nexport const getBBoxOfElementAsPath = function (elem, addSVGElementFromJson, pathActions) {\n  const path = addSVGElementFromJson({\n    element: 'path',\n    attr: getExtraAttributesForConvertToPath(elem)\n  });\n\n  const eltrans = elem.getAttribute('transform');\n  if (eltrans) {\n    path.setAttribute('transform', eltrans);\n  }\n\n  const parent = elem.parentNode;\n  if (elem.nextSibling) {\n    elem.before(path);\n  } else {\n    parent.append(path);\n  }\n\n  const d = getPathDFromElement(elem);\n  if (d) {\n    path.setAttribute('d', d);\n  } else {\n    path.remove();\n  }\n\n  // Get the correct BBox of the new path, then discard it\n  pathActions.resetOrientation(path);\n  let bb = false;\n  try {\n    bb = path.getBBox();\n  } catch (e) {\n    // Firefox fails\n  }\n  path.remove();\n  return bb;\n};\n\n/**\n* Convert selected element to a path.\n* @function module:utilities.convertToPath\n* @param {Element} elem - The DOM element to be converted\n* @param {module:utilities.SVGElementJSON} attrs - Apply attributes to new path. see canvas.convertToPath\n* @param {module:utilities.EditorContext#addSVGElementFromJson} addSVGElementFromJson - Function to add the path element to the current layer. See canvas.addSVGElementFromJson\n* @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.\n* @param {module:draw.DrawCanvasInit#clearSelection|module:path.EditorContext#clearSelection} clearSelection - see [canvas.clearSelection]{@link module:svgcanvas.SvgCanvas#clearSelection}\n* @param {module:path.EditorContext#addToSelection} addToSelection - see [canvas.addToSelection]{@link module:svgcanvas.SvgCanvas#addToSelection}\n* @param {module:history} history - see history module\n* @param {module:path.EditorContext#addCommandToHistory|module:draw.DrawCanvasInit#addCommandToHistory} addCommandToHistory - see [canvas.addCommandToHistory]{@link module:svgcanvas~addCommandToHistory}\n* @returns {SVGPathElement|null} The converted path element or null if the DOM element was not recognized.\n*/\nexport const convertToPath = function (elem, attrs, addSVGElementFromJson, pathActions, clearSelection, addToSelection, history, addCommandToHistory) {\n  const batchCmd = new history.BatchCommand('Convert element to Path');\n\n  // Any attribute on the element not covered by the passed-in attributes\n  attrs = $.extend({}, attrs, getExtraAttributesForConvertToPath(elem));\n\n  const path = addSVGElementFromJson({\n    element: 'path',\n    attr: attrs\n  });\n\n  const eltrans = elem.getAttribute('transform');\n  if (eltrans) {\n    path.setAttribute('transform', eltrans);\n  }\n\n  const {id} = elem;\n  const parent = elem.parentNode;\n  if (elem.nextSibling) {\n    elem.before(path);\n  } else {\n    parent.append(path);\n  }\n\n  const d = getPathDFromElement(elem);\n  if (d) {\n    path.setAttribute('d', d);\n\n    // Replace the current element with the converted one\n\n    // Reorient if it has a matrix\n    if (eltrans) {\n      const tlist = getTransformList(path);\n      if (hasMatrixTransform(tlist)) {\n        pathActions.resetOrientation(path);\n      }\n    }\n\n    const {nextSibling} = elem;\n    batchCmd.addSubCommand(new history.RemoveElementCommand(elem, nextSibling, parent));\n    batchCmd.addSubCommand(new history.InsertElementCommand(path));\n\n    clearSelection();\n    elem.remove();\n    path.setAttribute('id', id);\n    path.removeAttribute('visibility');\n    addToSelection([path], true);\n\n    addCommandToHistory(batchCmd);\n\n    return path;\n  }\n  // the elem.tagName was not recognized, so no \"d\" attribute. Remove it, so we've haven't changed anything.\n  path.remove();\n  return null;\n};\n\n/**\n* Can the bbox be optimized over the native getBBox? The optimized bbox is the same as the native getBBox when\n* the rotation angle is a multiple of 90 degrees and there are no complex transforms.\n* Getting an optimized bbox can be dramatically slower, so we want to make sure it's worth it.\n*\n* The best example for this is a circle rotate 45 degrees. The circle doesn't get wider or taller when rotated\n* about it's center.\n*\n* The standard, unoptimized technique gets the native bbox of the circle, rotates the box 45 degrees, uses\n* that width and height, and applies any transforms to get the final bbox. This means the calculated bbox\n* is much wider than the original circle. If the angle had been 0, 90, 180, etc. both techniques render the\n* same bbox.\n*\n* The optimization is not needed if the rotation is a multiple 90 degrees. The default technique is to call\n* getBBox then apply the angle and any transforms.\n*\n* @param {Float} angle - The rotation angle in degrees\n* @param {boolean} hasMatrixTransform - True if there is a matrix transform\n* @returns {boolean} True if the bbox can be optimized.\n*/\nfunction bBoxCanBeOptimizedOverNativeGetBBox (angle, hasMatrixTransform) {\n  const angleModulo90 = angle % 90;\n  const closeTo90 = angleModulo90 < -89.99 || angleModulo90 > 89.99;\n  const closeTo0 = angleModulo90 > -0.001 && angleModulo90 < 0.001;\n  return hasMatrixTransform || !(closeTo0 || closeTo90);\n}\n\n/**\n* Get bounding box that includes any transforms.\n* @function module:utilities.getBBoxWithTransform\n* @param {Element} elem - The DOM element to be converted\n* @param {module:utilities.EditorContext#addSVGElementFromJson} addSVGElementFromJson - Function to add the path element to the current layer. See canvas.addSVGElementFromJson\n* @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.\n* @returns {module:utilities.BBoxObject|module:math.TransformedBox|DOMRect} A single bounding box object\n*/\nexport const getBBoxWithTransform = function (elem, addSVGElementFromJson, pathActions) {\n  // TODO: Fix issue with rotated groups. Currently they work\n  // fine in FF, but not in other browsers (same problem mentioned\n  // in Issue 339 comment #2).\n\n  let bb = getBBox(elem);\n\n  if (!bb) {\n    return null;\n  }\n\n  const tlist = getTransformList(elem);\n  const angle = getRotationAngleFromTransformList(tlist);\n  const hasMatrixXForm = hasMatrixTransform(tlist);\n\n  if (angle || hasMatrixXForm) {\n    let goodBb = false;\n    if (bBoxCanBeOptimizedOverNativeGetBBox(angle, hasMatrixXForm)) {\n      // Get the BBox from the raw path for these elements\n      // TODO: why ellipse and not circle\n      const elemNames = ['ellipse', 'path', 'line', 'polyline', 'polygon'];\n      if (elemNames.includes(elem.tagName)) {\n        bb = goodBb = getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions);\n      } else if (elem.tagName === 'rect') {\n        // Look for radius\n        const rx = elem.getAttribute('rx');\n        const ry = elem.getAttribute('ry');\n        if (rx || ry) {\n          bb = goodBb = getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions);\n        }\n      }\n    }\n\n    if (!goodBb) {\n      const {matrix} = transformListToTransform(tlist);\n      bb = transformBox(bb.x, bb.y, bb.width, bb.height, matrix).aabox;\n\n      // Old technique that was exceedingly slow with large documents.\n      //\n      // Accurate way to get BBox of rotated element in Firefox:\n      // Put element in group and get its BBox\n      //\n      // Must use clone else FF freaks out\n      // const clone = elem.cloneNode(true);\n      // const g = document.createElementNS(NS.SVG, 'g');\n      // const parent = elem.parentNode;\n      // parent.append(g);\n      // g.append(clone);\n      // const bb2 = bboxToObj(g.getBBox());\n      // g.remove();\n    }\n  }\n  return bb;\n};\n\n// TODO: This is problematic with large stroke-width and, for example, a single horizontal line. The calculated BBox extends way beyond left and right sides.\nfunction getStrokeOffsetForBBox (elem) {\n  const sw = elem.getAttribute('stroke-width');\n  return (!isNaN(sw) && elem.getAttribute('stroke') !== 'none') ? sw / 2 : 0;\n}\n\n/**\n * @typedef {PlainObject} BBox\n * @property {Integer} x The x value\n * @property {Integer} y The y value\n * @property {Float} width\n * @property {Float} height\n */\n\n/**\n* Get the bounding box for one or more stroked and/or transformed elements\n* @function module:utilities.getStrokedBBox\n* @param {Element[]} elems - Array with DOM elements to check\n* @param {module:utilities.EditorContext#addSVGElementFromJson} addSVGElementFromJson - Function to add the path element to the current layer. See canvas.addSVGElementFromJson\n* @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.\n* @returns {module:utilities.BBoxObject|module:math.TransformedBox|DOMRect} A single bounding box object\n*/\nexport const getStrokedBBox = function (elems, addSVGElementFromJson, pathActions) {\n  if (!elems || !elems.length) { return false; }\n\n  let fullBb;\n  $.each(elems, function () {\n    if (fullBb) { return; }\n    if (!this.parentNode) { return; }\n    fullBb = getBBoxWithTransform(this, addSVGElementFromJson, pathActions);\n  });\n\n  // This shouldn't ever happen...\n  if (fullBb === undefined) { return null; }\n\n  // fullBb doesn't include the stoke, so this does no good!\n  // if (elems.length == 1) return fullBb;\n\n  let maxX = fullBb.x + fullBb.width;\n  let maxY = fullBb.y + fullBb.height;\n  let minX = fullBb.x;\n  let minY = fullBb.y;\n\n  // If only one elem, don't call the potentially slow getBBoxWithTransform method again.\n  if (elems.length === 1) {\n    const offset = getStrokeOffsetForBBox(elems[0]);\n    minX -= offset;\n    minY -= offset;\n    maxX += offset;\n    maxY += offset;\n  } else {\n    $.each(elems, function (i, elem) {\n      const curBb = getBBoxWithTransform(elem, addSVGElementFromJson, pathActions);\n      if (curBb) {\n        const offset = getStrokeOffsetForBBox(elem);\n        minX = Math.min(minX, curBb.x - offset);\n        minY = Math.min(minY, curBb.y - offset);\n        // TODO: The old code had this test for max, but not min. I suspect this test should be for both min and max\n        if (elem.nodeType === 1) {\n          maxX = Math.max(maxX, curBb.x + curBb.width + offset);\n          maxY = Math.max(maxY, curBb.y + curBb.height + offset);\n        }\n      }\n    });\n  }\n\n  fullBb.x = minX;\n  fullBb.y = minY;\n  fullBb.width = maxX - minX;\n  fullBb.height = maxY - minY;\n  return fullBb;\n};\n\n/**\n* Get all elements that have a BBox (excludes `<defs>`, `<title>`, etc).\n* Note that 0-opacity, off-screen etc elements are still considered \"visible\"\n* for this function\n* @function module:utilities.getVisibleElements\n* @param {Element} parent - The parent DOM element to search within\n* @returns {Element[]} All \"visible\" elements.\n*/\nexport const getVisibleElements = function (parent) {\n  if (!parent) {\n    parent = $(editorContext_.getSVGContent()).children(); // Prevent layers from being included\n  }\n\n  const contentElems = [];\n  $(parent).children().each(function (i, elem) {\n    if (elem.getBBox) {\n      contentElems.push(elem);\n    }\n  });\n  return contentElems.reverse();\n};\n\n/**\n* Get the bounding box for one or more stroked and/or transformed elements\n* @function module:utilities.getStrokedBBoxDefaultVisible\n* @param {Element[]} elems - Array with DOM elements to check\n* @returns {module:utilities.BBoxObject} A single bounding box object\n*/\nexport const getStrokedBBoxDefaultVisible = function (elems) {\n  if (!elems) { elems = getVisibleElements(); }\n  return getStrokedBBox(\n    elems,\n    editorContext_.addSVGElementFromJson,\n    editorContext_.pathActions\n  );\n};\n\n/**\n* Get the rotation angle of the given transform list.\n* @function module:utilities.getRotationAngleFromTransformList\n* @param {SVGTransformList} tlist - List of transforms\n* @param {boolean} toRad - When true returns the value in radians rather than degrees\n* @returns {Float} The angle in degrees or radians\n*/\nexport const getRotationAngleFromTransformList = function (tlist, toRad) {\n  if (!tlist) { return 0; } // <svg> elements have no tlist\n  const N = tlist.numberOfItems;\n  for (let i = 0; i < N; ++i) {\n    const xform = tlist.getItem(i);\n    if (xform.type === 4) {\n      return toRad ? xform.angle * Math.PI / 180.0 : xform.angle;\n    }\n  }\n  return 0.0;\n};\n\n/**\n* Get the rotation angle of the given/selected DOM element\n* @function module:utilities.getRotationAngle\n* @param {Element} [elem] - DOM element to get the angle for. Default to first of selected elements.\n* @param {boolean} [toRad=false] - When true returns the value in radians rather than degrees\n* @returns {Float} The angle in degrees or radians\n*/\nexport let getRotationAngle = function (elem, toRad) {\n  const selected = elem || editorContext_.getSelectedElements()[0];\n  // find the rotation transform (if any) and set it\n  const tlist = getTransformList(selected);\n  return getRotationAngleFromTransformList(tlist, toRad);\n};\n\n/**\n* Get the reference element associated with the given attribute value\n* @function module:utilities.getRefElem\n* @param {string} attrVal - The attribute value as a string\n* @returns {Element} Reference element\n*/\nexport const getRefElem = function (attrVal) {\n  return getElem(getUrlFromAttr(attrVal).substr(1));\n};\n\n/**\n* Get a DOM element by ID within the SVG root element.\n* @function module:utilities.getElem\n* @param {string} id - String with the element's new ID\n* @returns {Element}\n*/\nexport const getElem = (supportsSelectors())\n  ? function (id) {\n    // querySelector lookup\n    return svgroot_.querySelector('#' + id);\n  } : supportsXpath()\n    ? function (id) {\n      // xpath lookup\n      return domdoc_.evaluate(\n        'svg:svg[@id=\"svgroot\"]//svg:*[@id=\"' + id + '\"]',\n        domcontainer_,\n        function () { return NS.SVG; },\n        9,\n        null).singleNodeValue;\n    }\n    : function (id) {\n      // jQuery lookup: twice as slow as xpath in FF\n      return $(svgroot_).find('[id=' + id + ']')[0];\n    };\n\n/**\n* Assigns multiple attributes to an element.\n* @function module:utilities.assignAttributes\n* @param {Element} elem - DOM element to apply new attribute values to\n* @param {PlainObject.<string, string>} attrs - Object with attribute keys/values\n* @param {Integer} [suspendLength] - Milliseconds to suspend redraw\n* @param {boolean} [unitCheck=false] - Boolean to indicate the need to use units.setUnitAttr\n* @returns {undefined}\n*/\nexport const assignAttributes = function (elem, attrs, suspendLength, unitCheck) {\n  for (const [key, value] of Object.entries(attrs)) {\n    const ns = (key.substr(0, 4) === 'xml:'\n      ? NS.XML\n      : key.substr(0, 6) === 'xlink:' ? NS.XLINK : null);\n\n    if (ns) {\n      elem.setAttributeNS(ns, key, value);\n    } else if (!unitCheck) {\n      elem.setAttribute(key, value);\n    } else {\n      setUnitAttr(elem, key, value);\n    }\n  }\n};\n\n/**\n* Remove unneeded (default) attributes, makes resulting SVG smaller\n* @function module:utilities.cleanupElement\n* @param {Element} element - DOM element to clean up\n* @returns {undefined}\n*/\nexport const cleanupElement = function (element) {\n  const defaults = {\n    'fill-opacity': 1,\n    'stop-opacity': 1,\n    opacity: 1,\n    stroke: 'none',\n    'stroke-dasharray': 'none',\n    'stroke-linejoin': 'miter',\n    'stroke-linecap': 'butt',\n    'stroke-opacity': 1,\n    'stroke-width': 1,\n    rx: 0,\n    ry: 0\n  };\n\n  if (element.nodeName === 'ellipse') {\n    // Ellipse elements require rx and ry attributes\n    delete defaults.rx;\n    delete defaults.ry;\n  }\n\n  for (const attr in defaults) {\n    const val = defaults[attr];\n    if (element.getAttribute(attr) === String(val)) {\n      element.removeAttribute(attr);\n    }\n  }\n};\n\n/**\n* Round value to for snapping\n* @function module:utilities.snapToGrid\n* @param {Float} value\n* @returns {Integer}\n*/\nexport const snapToGrid = function (value) {\n  const unit = editorContext_.getBaseUnit();\n  let stepSize = editorContext_.getSnappingStep();\n  if (unit !== 'px') {\n    stepSize *= getTypeMap()[unit];\n  }\n  value = Math.round(value / stepSize) * stepSize;\n  return value;\n};\n\n/**\n* Escapes special characters in a regular expression\n* @function module:utilities.regexEscape\n* @param {string} str\n* @returns {string}\n*/\nexport const regexEscape = function (str) {\n  // From: http://phpjs.org/functions\n  return String(str).replace(new RegExp('[.\\\\\\\\+*?\\\\[\\\\^\\\\]$(){}=!<>|:\\\\-]', 'g'), '\\\\$&');\n};\n\n/**\n * Prevents default browser click behaviour on the given element\n * @function module:utilities.preventClickDefault\n * @param {Element} img - The DOM element to prevent the click on\n * @returns {undefined}\n */\nexport const preventClickDefault = function (img) {\n  $(img).click(function (e) { e.preventDefault(); });\n};\n\n/**\n * @callback module:utilities.GetNextID\n * @returns {string} The ID\n */\n/**\n * Create a clone of an element, updating its ID and its children's IDs when needed\n * @function module:utilities.copyElem\n * @param {Element} el - DOM element to clone\n * @param {module:utilities.GetNextID} getNextId - The getter of the next unique ID.\n * @returns {Element} The cloned element\n */\nexport const copyElem = function (el, getNextId) {\n  // manually create a copy of the element\n  const newEl = document.createElementNS(el.namespaceURI, el.nodeName);\n  $.each(el.attributes, function (i, attr) {\n    if (attr.localName !== '-moz-math-font-style') {\n      newEl.setAttributeNS(attr.namespaceURI, attr.nodeName, attr.value);\n    }\n  });\n  // set the copied element's new id\n  newEl.removeAttribute('id');\n  newEl.id = getNextId();\n\n  // Opera's \"d\" value needs to be reset for Opera/Win/non-EN\n  // Also needed for webkit (else does not keep curved segments on clone)\n  if (isWebkit() && el.nodeName === 'path') {\n    const fixedD = convertPath(el);\n    newEl.setAttribute('d', fixedD);\n  }\n\n  // now create copies of all children\n  $.each(el.childNodes, function (i, child) {\n    switch (child.nodeType) {\n    case 1: // element node\n      newEl.append(copyElem(child, getNextId));\n      break;\n    case 3: // text node\n      newEl.textContent = child.nodeValue;\n      break;\n    default:\n      break;\n    }\n  });\n\n  if ($(el).data('gsvg')) {\n    $(newEl).data('gsvg', newEl.firstChild);\n  } else if ($(el).data('symbol')) {\n    const ref = $(el).data('symbol');\n    $(newEl).data('ref', ref).data('symbol', ref);\n  } else if (newEl.tagName === 'image') {\n    preventClickDefault(newEl);\n  }\n\n  return newEl;\n};\n\n/**\n* Unit testing\n* @function module:utilities.mock\n* @returns {undefined}\n*/\nexport const mock = ({\n  getHref: getHrefUser, setHref: setHrefUser, getRotationAngle: getRotationAngleUser\n}) => {\n  getHref = getHrefUser;\n  setHref = setHrefUser;\n  getRotationAngle = getRotationAngleUser;\n};\n","/* globals jQuery */\n/**\n * Adds context menu functionality\n * @module contextmenu\n * @license Apache-2.0\n * @author Adam Bender\n */\n// Dependencies:\n// 1) jQuery (for dom injection of context menus)\n\nconst $ = jQuery;\n\nlet contextMenuExtensions = {};\n\n/**\n * Signature depends on what the user adds; in the case of our uses with\n * SVGEditor, no parameters are passed nor anything expected for a return.\n * @callback module:contextmenu.MenuItemAction\n*/\n\n/**\n* @typedef {PlainObject} module:contextmenu.MenuItem\n* @property {string} id\n* @property {string} label\n* @property {module:contextmenu.MenuItemAction} action\n*/\n\n/**\n* @param {module:contextmenu.MenuItem} menuItem\n* @returns {boolean}\n*/\nconst menuItemIsValid = function (menuItem) {\n  return menuItem && menuItem.id && menuItem.label && menuItem.action && typeof menuItem.action === 'function';\n};\n\n/**\n* @function module:contextmenu.add\n* @param {module:contextmenu.MenuItem} menuItem\n* @returns {undefined}\n*/\nexport const add = function (menuItem) {\n  // menuItem: {id, label, shortcut, action}\n  if (!menuItemIsValid(menuItem)) {\n    console.error('Menu items must be defined and have at least properties: id, label, action, where action must be a function');\n    return;\n  }\n  if (menuItem.id in contextMenuExtensions) {\n    console.error('Cannot add extension \"' + menuItem.id + '\", an extension by that name already exists\"');\n    return;\n  }\n  // Register menuItem action, see below for deferred menu dom injection\n  console.log('Registed contextmenu item: {id:' + menuItem.id + ', label:' + menuItem.label + '}');\n  contextMenuExtensions[menuItem.id] = menuItem;\n  // TODO: Need to consider how to handle custom enable/disable behavior\n};\n\n/**\n* @function module:contextmenu.hasCustomHandler\n* @param {string} handlerKey\n* @returns {boolean}\n*/\nexport const hasCustomHandler = function (handlerKey) {\n  return Boolean(contextMenuExtensions[handlerKey]);\n};\n\n/**\n* @function module:contextmenu.getCustomHandler\n* @param {string} handlerKey\n* @returns {module:contextmenu.MenuItemAction}\n*/\nexport const getCustomHandler = function (handlerKey) {\n  return contextMenuExtensions[handlerKey].action;\n};\n\n/**\n* @param {module:contextmenu.MenuItem} menuItem\n* @returns {undefined}\n*/\nconst injectExtendedContextMenuItemIntoDom = function (menuItem) {\n  if (!Object.keys(contextMenuExtensions).length) {\n    // all menuItems appear at the bottom of the menu in their own container.\n    // if this is the first extension menu we need to add the separator.\n    $('#cmenu_canvas').append(\"<li class='separator'>\");\n  }\n  const shortcut = menuItem.shortcut || '';\n  $('#cmenu_canvas').append(\"<li class='disabled'><a href='#\" + menuItem.id + \"'>\" +\n    menuItem.label + \"<span class='shortcut'>\" +\n    shortcut + '</span></a></li>');\n};\n\n/**\n* @function module:contextmenu.injectExtendedContextMenuItemsIntoDom\n* @returns {undefined}\n*/\nexport const injectExtendedContextMenuItemsIntoDom = function () {\n  for (const menuItem in contextMenuExtensions) {\n    injectExtendedContextMenuItemIntoDom(contextMenuExtensions[menuItem]);\n  }\n};\n/**\n* @function module:contextmenu.resetCustomMenus\n* @returns {undefined}\n*/\nexport const resetCustomMenus = function () { contextMenuExtensions = {}; };\n","// MIT License\n// From: https://github.com/uupaa/dynamic-import-polyfill/blob/master/importModule.js\n\n/**\n * @module importModule\n */\n\nfunction toAbsoluteURL (url) {\n  const a = document.createElement('a');\n  a.setAttribute('href', url); // <a href=\"hoge.html\">\n  return a.cloneNode(false).href; // -> \"http://example.com/hoge.html\"\n}\n\nfunction addScriptAtts (script, atts) {\n  ['id', 'class', 'type'].forEach((prop) => {\n    if (prop in atts) {\n      script[prop] = atts[prop];\n    }\n  });\n}\n\n// Additions by Brett\n/**\n* @typedef {PlainObject} module:importModule.ImportConfig\n* @property {string} global The variable name to set on `window` (when not using the modular version)\n* @property {boolean} [returnDefault=false]\n*/\n/**\n* @function module:importModule.importSetGlobalDefault\n* @param {string} url\n* @param {module:importModule.ImportConfig} config\n* @returns {*} The return depends on the export of the targeted module.\n*/\nexport async function importSetGlobalDefault (url, config) {\n  return importSetGlobal(url, {...config, returnDefault: true});\n}\n/**\n* @function module:importModule.importSetGlobal\n* @param {string} url\n* @param {module:importModule.ImportConfig} config\n* @returns {ArbitraryModule|*} The return depends on the export of the targeted module.\n*/\nexport async function importSetGlobal (url, {global, returnDefault}) {\n  // Todo: Replace calls to this function with `import()` when supported\n  const modularVersion = !('svgEditor' in window) ||\n    !window.svgEditor ||\n    window.svgEditor.modules !== false;\n  if (modularVersion) {\n    return importModule(url, undefined, {returnDefault});\n  }\n  await importScript(url);\n  return window[global];\n}\n// Addition by Brett\nexport function importScript (url, atts = {}) {\n  if (Array.isArray(url)) {\n    return Promise.all(url.map((u) => {\n      return importScript(u, atts);\n    }));\n  }\n  return new Promise((resolve, reject) => {\n    const script = document.createElement('script');\n    const destructor = () => {\n      script.onerror = null;\n      script.onload = null;\n      script.remove();\n      script.src = '';\n    };\n    script.defer = 'defer';\n    addScriptAtts(script, atts);\n    script.onerror = () => {\n      reject(new Error(`Failed to import: ${url}`));\n      destructor();\n    };\n    script.onload = () => {\n      resolve();\n      destructor();\n    };\n    script.src = url;\n\n    document.head.append(script);\n  });\n}\n\nexport function importModule (url, atts = {}, {returnDefault = false} = {}) {\n  if (Array.isArray(url)) {\n    return Promise.all(url.map((u) => {\n      return importModule(u, atts);\n    }));\n  }\n  return new Promise((resolve, reject) => {\n    const vector = '$importModule$' + Math.random().toString(32).slice(2);\n    const script = document.createElement('script');\n    const destructor = () => {\n      delete window[vector];\n      script.onerror = null;\n      script.onload = null;\n      script.remove();\n      URL.revokeObjectURL(script.src);\n      script.src = '';\n    };\n    addScriptAtts(script, atts);\n    script.defer = 'defer';\n    script.type = 'module';\n    script.onerror = () => {\n      reject(new Error(`Failed to import: ${url}`));\n      destructor();\n    };\n    script.onload = () => {\n      resolve(window[vector]);\n      destructor();\n    };\n    const absURL = toAbsoluteURL(url);\n    const loader = `import * as m from '${absURL.replace(/'/g, \"\\\\'\")}'; window.${vector} = ${returnDefault ? 'm.default || ' : ''}m;`; // export Module\n    const blob = new Blob([loader], {type: 'text/javascript'});\n    script.src = URL.createObjectURL(blob);\n\n    document.head.append(script);\n  });\n}\n\nexport default importModule;\n","/* globals jQuery */\n/**\n * Provides tools for the layer concept\n * @module layer\n * @license MIT\n *\n * @copyright 2011 Jeff Schiller, 2016 Flint O'Brien\n */\n\nimport {NS} from './namespaces.js';\nimport {toXml, walkTree} from './utilities.js';\n\nconst $ = jQuery;\n\n/**\n * This class encapsulates the concept of a layer in the drawing. It can be constructed with\n * an existing group element or, with three parameters, will create a new layer group element.\n *\n * @example\n * new Layer('name', group);          // Use the existing group for this layer.\n * new Layer('name', group, svgElem); // Create a new group and add it to the DOM after group.\n * new Layer('name', null, svgElem);  // Create a new group and add it to the DOM as the last layer.\n * @memberof module:layer\n */\nclass Layer {\n  /**\n  * @param {string} name - Layer name\n  * @param {SVGGElement|null} group - An existing SVG group element or null.\n  *     If group and no svgElem, use group for this layer.\n  *     If group and svgElem, create a new group element and insert it in the DOM after group.\n  *     If no group and svgElem, create a new group element and insert it in the DOM as the last layer.\n  * @param {SVGGElement=} svgElem - The SVG DOM element. If defined, use this to add\n  *     a new layer to the document.\n  */\n  constructor (name, group, svgElem) {\n    this.name_ = name;\n    this.group_ = svgElem ? null : group;\n\n    if (svgElem) {\n      // Create a group element with title and add it to the DOM.\n      const svgdoc = svgElem.ownerDocument;\n      this.group_ = svgdoc.createElementNS(NS.SVG, 'g');\n      const layerTitle = svgdoc.createElementNS(NS.SVG, 'title');\n      layerTitle.textContent = name;\n      this.group_.append(layerTitle);\n      if (group) {\n        $(group).after(this.group_);\n      } else {\n        svgElem.append(this.group_);\n      }\n    }\n\n    addLayerClass(this.group_);\n    walkTree(this.group_, function (e) {\n      e.setAttribute('style', 'pointer-events:inherit');\n    });\n\n    this.group_.setAttribute('style', svgElem ? 'pointer-events:all' : 'pointer-events:none');\n  }\n\n  /**\n   * Get the layer's name.\n   * @returns {string} The layer name\n   */\n  getName () {\n    return this.name_;\n  }\n\n  /**\n   * Get the group element for this layer.\n   * @returns {SVGGElement} The layer SVG group\n   */\n  getGroup () {\n    return this.group_;\n  }\n\n  /**\n   * Active this layer so it takes pointer events.\n   * @returns {undefined}\n   */\n  activate () {\n    this.group_.setAttribute('style', 'pointer-events:all');\n  }\n\n  /**\n   * Deactive this layer so it does NOT take pointer events.\n   * @returns {undefined}\n   */\n  deactivate () {\n    this.group_.setAttribute('style', 'pointer-events:none');\n  }\n\n  /**\n   * Set this layer visible or hidden based on 'visible' parameter.\n   * @param {boolean} visible - If true, make visible; otherwise, hide it.\n   * @returns {undefined}\n   */\n  setVisible (visible) {\n    const expected = visible === undefined || visible ? 'inline' : 'none';\n    const oldDisplay = this.group_.getAttribute('display');\n    if (oldDisplay !== expected) {\n      this.group_.setAttribute('display', expected);\n    }\n  }\n\n  /**\n   * Is this layer visible?\n   * @returns {boolean} True if visible.\n   */\n  isVisible () {\n    return this.group_.getAttribute('display') !== 'none';\n  }\n\n  /**\n   * Get layer opacity.\n   * @returns {Float} Opacity value.\n   */\n  getOpacity () {\n    const opacity = this.group_.getAttribute('opacity');\n    if (opacity === null || opacity === undefined) {\n      return 1;\n    }\n    return parseFloat(opacity);\n  }\n\n  /**\n   * Sets the opacity of this layer. If opacity is not a value between 0.0 and 1.0,\n   * nothing happens.\n   * @param {Float} opacity - A float value in the range 0.0-1.0\n   * @returns {undefined}\n   */\n  setOpacity (opacity) {\n    if (typeof opacity === 'number' && opacity >= 0.0 && opacity <= 1.0) {\n      this.group_.setAttribute('opacity', opacity);\n    }\n  }\n\n  /**\n   * Append children to this layer.\n   * @param {SVGGElement} children - The children to append to this layer.\n   * @returns {undefined}\n   */\n  appendChildren (children) {\n    for (let i = 0; i < children.length; ++i) {\n      this.group_.append(children[i]);\n    }\n  }\n\n  /**\n  * @returns {SVGTitleElement|null}\n  */\n  getTitleElement () {\n    const len = this.group_.childNodes.length;\n    for (let i = 0; i < len; ++i) {\n      const child = this.group_.childNodes.item(i);\n      if (child && child.tagName === 'title') {\n        return child;\n      }\n    }\n    return null;\n  }\n\n  /**\n   * Set the name of this layer.\n   * @param {string} name - The new name.\n   * @param {module:history.HistoryRecordingService} hrService - History recording service\n   * @returns {string|null} The new name if changed; otherwise, null.\n   */\n  setName (name, hrService) {\n    const previousName = this.name_;\n    name = toXml(name);\n    // now change the underlying title element contents\n    const title = this.getTitleElement();\n    if (title) {\n      $(title).empty();\n      title.textContent = name;\n      this.name_ = name;\n      if (hrService) {\n        hrService.changeElement(title, {'#text': previousName});\n      }\n      return this.name_;\n    }\n    return null;\n  }\n\n  /**\n   * Remove this layer's group from the DOM. No more functions on group can be called after this.\n   * @param {SVGGElement} children - The children to append to this layer.\n   * @returns {SVGGElement} The layer SVG group that was just removed.\n   */\n  removeGroup () {\n    const parent = this.group_.parentNode;\n    const group = parent.removeChild(this.group_);\n    this.group_ = undefined;\n    return group;\n  }\n}\n/**\n * @property {string} CLASS_NAME - class attribute assigned to all layer groups.\n */\nLayer.CLASS_NAME = 'layer';\n\n/**\n * @property {RegExp} CLASS_REGEX - Used to test presence of class Layer.CLASS_NAME\n */\nLayer.CLASS_REGEX = new RegExp('(\\\\s|^)' + Layer.CLASS_NAME + '(\\\\s|$)');\n\n/**\n * Add class `Layer.CLASS_NAME` to the element (usually `class='layer'`).\n *\n * @param {SVGGElement} elem - The SVG element to update\n * @returns {undefined}\n */\nfunction addLayerClass (elem) {\n  const classes = elem.getAttribute('class');\n  if (classes === null || classes === undefined || !classes.length) {\n    elem.setAttribute('class', Layer.CLASS_NAME);\n  } else if (!Layer.CLASS_REGEX.test(classes)) {\n    elem.setAttribute('class', classes + ' ' + Layer.CLASS_NAME);\n  }\n}\n\nexport default Layer;\n","/**\n * HistoryRecordingService component of history\n * @module history\n * @license MIT\n * @copyright 2016 Flint O'Brien\n */\n\nimport {\n  BatchCommand, MoveElementCommand, InsertElementCommand, RemoveElementCommand,\n  ChangeElementCommand\n} from './history.js';\n\n/**\n * History recording service.\n *\n * A self-contained service interface for recording history. Once injected, no other dependencies\n * or globals are required (example: UndoManager, command types, etc.). Easy to mock for unit tests.\n * Built on top of history classes in history.js.\n *\n * There is a simple start/end interface for batch commands.\n *\n * HistoryRecordingService.NO_HISTORY is a singleton that can be passed in to functions\n * that record history. This helps when the caller requires that no history be recorded.\n *\n * The following will record history: insert, batch, insert.\n * @example\n * hrService = new history.HistoryRecordingService(this.undoMgr);\n * hrService.insertElement(elem, text);         // add simple command to history.\n * hrService.startBatchCommand('create two elements');\n * hrService.changeElement(elem, attrs, text);  // add to batchCommand\n * hrService.changeElement(elem, attrs2, text); // add to batchCommand\n * hrService.endBatchCommand();                  // add batch command with two change commands to history.\n * hrService.insertElement(elem, text);         // add simple command to history.\n *\n * @example\n * // Note that all functions return this, so commands can be chained, like so:\n * hrService\n *   .startBatchCommand('create two elements')\n *   .insertElement(elem, text)\n *   .changeElement(elem, attrs, text)\n *   .endBatchCommand();\n *\n * @memberof module:history\n */\nclass HistoryRecordingService {\n  /**\n  * @param {history.UndoManager|null} undoManager - The undo manager.\n  *     A value of `null` is valid for cases where no history recording is required.\n  *     See singleton: {@link module:history.HistoryRecordingService.HistoryRecordingService.NO_HISTORY}\n  */\n  constructor (undoManager) {\n    this.undoManager_ = undoManager;\n    this.currentBatchCommand_ = null;\n    this.batchCommandStack_ = [];\n  }\n\n  /**\n   * Start a batch command so multiple commands can recorded as a single history command.\n   * Requires a corresponding call to endBatchCommand. Start and end commands can be nested.\n   *\n   * @param {string} text - Optional string describing the batch command.\n   * @returns {module:history.HistoryRecordingService}\n   */\n  startBatchCommand (text) {\n    if (!this.undoManager_) { return this; }\n    this.currentBatchCommand_ = new BatchCommand(text);\n    this.batchCommandStack_.push(this.currentBatchCommand_);\n    return this;\n  }\n\n  /**\n   * End a batch command and add it to the history or a parent batch command.\n   * @returns {module:history.HistoryRecordingService}\n   */\n  endBatchCommand () {\n    if (!this.undoManager_) { return this; }\n    if (this.currentBatchCommand_) {\n      const batchCommand = this.currentBatchCommand_;\n      this.batchCommandStack_.pop();\n      const {length} = this.batchCommandStack_;\n      this.currentBatchCommand_ = length ? this.batchCommandStack_[length - 1] : null;\n      this.addCommand_(batchCommand);\n    }\n    return this;\n  }\n\n  /**\n   * Add a MoveElementCommand to the history or current batch command\n   * @param {Element} elem - The DOM element that was moved\n   * @param {Element} oldNextSibling - The element's next sibling before it was moved\n   * @param {Element} oldParent - The element's parent before it was moved\n   * @param {string} [text] - An optional string visible to user related to this change\n   * @returns {module:history.HistoryRecordingService}\n   */\n  moveElement (elem, oldNextSibling, oldParent, text) {\n    if (!this.undoManager_) { return this; }\n    this.addCommand_(new MoveElementCommand(elem, oldNextSibling, oldParent, text));\n    return this;\n  }\n\n  /**\n   * Add an InsertElementCommand to the history or current batch command\n   * @param {Element} elem - The DOM element that was added\n   * @param {string} [text] - An optional string visible to user related to this change\n   * @returns {module:history.HistoryRecordingService}\n   */\n  insertElement (elem, text) {\n    if (!this.undoManager_) { return this; }\n    this.addCommand_(new InsertElementCommand(elem, text));\n    return this;\n  }\n\n  /**\n   * Add a RemoveElementCommand to the history or current batch command\n   * @param {Element} elem - The DOM element that was removed\n   * @param {Element} oldNextSibling - The element's next sibling before it was removed\n   * @param {Element} oldParent - The element's parent before it was removed\n   * @param {string} [text] - An optional string visible to user related to this change\n   * @returns {module:history.HistoryRecordingService}\n   */\n  removeElement (elem, oldNextSibling, oldParent, text) {\n    if (!this.undoManager_) { return this; }\n    this.addCommand_(new RemoveElementCommand(elem, oldNextSibling, oldParent, text));\n    return this;\n  }\n\n  /**\n   * Add a ChangeElementCommand to the history or current batch command\n   * @param {Element} elem - The DOM element that was changed\n   * @param {module:history.CommandAttributes} attrs - An object with the attributes to be changed and the values they had *before* the change\n   * @param {string} [text] - An optional string visible to user related to this change\n   * @returns {module:history.HistoryRecordingService}\n   */\n  changeElement (elem, attrs, text) {\n    if (!this.undoManager_) { return this; }\n    this.addCommand_(new ChangeElementCommand(elem, attrs, text));\n    return this;\n  }\n\n  /**\n   * Private function to add a command to the history or current batch command.\n   * @private\n   * @param {Command} cmd\n   * @returns {module:history.HistoryRecordingService}\n   */\n  addCommand_ (cmd) {\n    if (!this.undoManager_) { return this; }\n    if (this.currentBatchCommand_) {\n      this.currentBatchCommand_.addSubCommand(cmd);\n    } else {\n      this.undoManager_.addCommandToHistory(cmd);\n    }\n  }\n}\n/**\n * @memberof module:history.HistoryRecordingService\n * @property {module:history.HistoryRecordingService} NO_HISTORY - Singleton that can be passed to functions that record history, but the caller requires that no history be recorded.\n */\nHistoryRecordingService.NO_HISTORY = new HistoryRecordingService();\nexport default HistoryRecordingService;\n","/* globals jQuery */\n/**\n * Tools for drawing\n * @module draw\n * @license MIT\n * @copyright 2011 Jeff Schiller\n */\n\nimport Layer from './layer.js';\nimport HistoryRecordingService from './historyrecording.js';\n\nimport {NS} from './namespaces.js';\nimport {isOpera} from './browser.js';\nimport {\n  toXml, getElem,\n  copyElem as utilCopyElem\n} from './utilities.js';\nimport {\n  BatchCommand, RemoveElementCommand, MoveElementCommand, ChangeElementCommand\n} from './history.js';\n\nconst $ = jQuery;\n\nconst visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use'.split(',');\n\nconst RandomizeModes = {\n  LET_DOCUMENT_DECIDE: 0,\n  ALWAYS_RANDOMIZE: 1,\n  NEVER_RANDOMIZE: 2\n};\nlet randIds = RandomizeModes.LET_DOCUMENT_DECIDE;\n// Array with current disabled elements (for in-group editing)\nlet disabledElems = [];\n\n/**\n * Get a HistoryRecordingService.\n * @param {module:history.HistoryRecordingService} [hrService] - if exists, return it instead of creating a new service.\n * @returns {module:history.HistoryRecordingService}\n */\nfunction historyRecordingService (hrService) {\n  return hrService || new HistoryRecordingService(canvas_.undoMgr);\n}\n\n/**\n * Find the layer name in a group element.\n * @param {Element} group The group element to search in.\n * @returns {string} The layer name or empty string.\n */\nfunction findLayerNameInGroup (group) {\n  return $('title', group).text() ||\n    (isOpera() && group.querySelectorAll\n      // Hack for Opera 10.60\n      ? $(group.querySelectorAll('title')).text()\n      : '');\n}\n\n/**\n * Given a set of names, return a new unique name.\n * @param {string[]} existingLayerNames - Existing layer names.\n * @returns {string} - The new name.\n */\nfunction getNewLayerName (existingLayerNames) {\n  let i = 1;\n  // TODO(codedread): What about internationalization of \"Layer\"?\n  while (existingLayerNames.includes(('Layer ' + i))) { i++; }\n  return 'Layer ' + i;\n}\n\n/**\n * This class encapsulates the concept of a SVG-edit drawing\n */\nexport class Drawing {\n  /**\n  * @param {SVGSVGElement} svgElem - The SVG DOM Element that this JS object\n  *     encapsulates.  If the svgElem has a se:nonce attribute on it, then\n  *     IDs will use the nonce as they are generated.\n  * @param {string} [optIdPrefix=svg_] - The ID prefix to use.\n  * @throws {Error} If not initialized with an SVG element\n  */\n  constructor (svgElem, optIdPrefix) {\n    if (!svgElem || !svgElem.tagName || !svgElem.namespaceURI ||\n      svgElem.tagName !== 'svg' || svgElem.namespaceURI !== NS.SVG) {\n      throw new Error('Error: svgedit.draw.Drawing instance initialized without a <svg> element');\n    }\n\n    /**\n    * The SVG DOM Element that represents this drawing.\n    * @type {SVGSVGElement}\n    */\n    this.svgElem_ = svgElem;\n\n    /**\n    * The latest object number used in this drawing.\n    * @type {Integer}\n    */\n    this.obj_num = 0;\n\n    /**\n    * The prefix to prepend to each element id in the drawing.\n    * @type {string}\n    */\n    this.idPrefix = optIdPrefix || 'svg_';\n\n    /**\n    * An array of released element ids to immediately reuse.\n    * @type {Integer[]}\n    */\n    this.releasedNums = [];\n\n    /**\n    * The z-ordered array of Layer objects. Each layer has a name\n    * and group element.\n    * The first layer is the one at the bottom of the rendering.\n    * @type {Layer[]}\n    */\n    this.all_layers = [];\n\n    /**\n    * Map of all_layers by name.\n    *\n    * Note: Layers are ordered, but referenced externally by name; so, we need both container\n    * types depending on which function is called (i.e. all_layers and layer_map).\n    *\n    * @type {PlainObject.<string, Layer>}\n    */\n    this.layer_map = {};\n\n    /**\n    * The current layer being used.\n    * @type {Layer}\n    */\n    this.current_layer = null;\n\n    /**\n    * The nonce to use to uniquely identify elements across drawings.\n    * @type {!String}\n    */\n    this.nonce_ = '';\n    const n = this.svgElem_.getAttributeNS(NS.SE, 'nonce');\n    // If already set in the DOM, use the nonce throughout the document\n    // else, if randomizeIds(true) has been called, create and set the nonce.\n    if (!!n && randIds !== RandomizeModes.NEVER_RANDOMIZE) {\n      this.nonce_ = n;\n    } else if (randIds === RandomizeModes.ALWAYS_RANDOMIZE) {\n      this.setNonce(Math.floor(Math.random() * 100001));\n    }\n  }\n\n  /**\n   * @param {string} id Element ID to retrieve\n   * @returns {Element} SVG element within the root SVGSVGElement\n  */\n  getElem_ (id) {\n    if (this.svgElem_.querySelector) {\n      // querySelector lookup\n      return this.svgElem_.querySelector('#' + id);\n    }\n    // jQuery lookup: twice as slow as xpath in FF\n    return $(this.svgElem_).find('[id=' + id + ']')[0];\n  }\n\n  /**\n   * @returns {SVGSVGElement}\n   */\n  getSvgElem () {\n    return this.svgElem_;\n  }\n\n  /**\n   * @returns {!(string|Integer)} The previously set nonce\n   */\n  getNonce () {\n    return this.nonce_;\n  }\n\n  /**\n   * @param {!(string|Integer)} n The nonce to set\n   * @returns {undefined}\n   */\n  setNonce (n) {\n    this.svgElem_.setAttributeNS(NS.XMLNS, 'xmlns:se', NS.SE);\n    this.svgElem_.setAttributeNS(NS.SE, 'se:nonce', n);\n    this.nonce_ = n;\n  }\n\n  /**\n   * Clears any previously set nonce\n   * @returns {undefined}\n   */\n  clearNonce () {\n    // We deliberately leave any se:nonce attributes alone,\n    // we just don't use it to randomize ids.\n    this.nonce_ = '';\n  }\n\n  /**\n   * Returns the latest object id as a string.\n   * @returns {string} The latest object Id.\n   */\n  getId () {\n    return this.nonce_\n      ? this.idPrefix + this.nonce_ + '_' + this.obj_num\n      : this.idPrefix + this.obj_num;\n  }\n\n  /**\n   * Returns the next object Id as a string.\n   * @returns {string} The next object Id to use.\n   */\n  getNextId () {\n    const oldObjNum = this.obj_num;\n    let restoreOldObjNum = false;\n\n    // If there are any released numbers in the release stack,\n    // use the last one instead of the next obj_num.\n    // We need to temporarily use obj_num as that is what getId() depends on.\n    if (this.releasedNums.length > 0) {\n      this.obj_num = this.releasedNums.pop();\n      restoreOldObjNum = true;\n    } else {\n      // If we are not using a released id, then increment the obj_num.\n      this.obj_num++;\n    }\n\n    // Ensure the ID does not exist.\n    let id = this.getId();\n    while (this.getElem_(id)) {\n      if (restoreOldObjNum) {\n        this.obj_num = oldObjNum;\n        restoreOldObjNum = false;\n      }\n      this.obj_num++;\n      id = this.getId();\n    }\n    // Restore the old object number if required.\n    if (restoreOldObjNum) {\n      this.obj_num = oldObjNum;\n    }\n    return id;\n  }\n\n  /**\n   * Releases the object Id, letting it be used as the next id in getNextId().\n   * This method DOES NOT remove any elements from the DOM, it is expected\n   * that client code will do this.\n   * @param {string} id - The id to release.\n   * @returns {boolean} True if the id was valid to be released, false otherwise.\n  */\n  releaseId (id) {\n    // confirm if this is a valid id for this Document, else return false\n    const front = this.idPrefix + (this.nonce_ ? this.nonce_ + '_' : '');\n    if (typeof id !== 'string' || !id.startsWith(front)) {\n      return false;\n    }\n    // extract the obj_num of this id\n    const num = parseInt(id.substr(front.length), 10);\n\n    // if we didn't get a positive number or we already released this number\n    // then return false.\n    if (typeof num !== 'number' || num <= 0 || this.releasedNums.includes(num)) {\n      return false;\n    }\n\n    // push the released number into the released queue\n    this.releasedNums.push(num);\n\n    return true;\n  }\n\n  /**\n   * Returns the number of layers in the current drawing.\n   * @returns {Integer} The number of layers in the current drawing.\n  */\n  getNumLayers () {\n    return this.all_layers.length;\n  }\n\n  /**\n   * Check if layer with given name already exists\n   * @param {string} name - The layer name to check\n   * @returns {boolean}\n  */\n  hasLayer (name) {\n    return this.layer_map[name] !== undefined;\n  }\n\n  /**\n   * Returns the name of the ith layer. If the index is out of range, an empty string is returned.\n   * @param {Integer} i - The zero-based index of the layer you are querying.\n   * @returns {string} The name of the ith layer (or the empty string if none found)\n  */\n  getLayerName (i) {\n    return i >= 0 && i < this.getNumLayers() ? this.all_layers[i].getName() : '';\n  }\n\n  /**\n   * @returns {SVGGElement|null} The SVGGElement representing the current layer.\n   */\n  getCurrentLayer () {\n    return this.current_layer ? this.current_layer.getGroup() : null;\n  }\n\n  /**\n   * Get a layer by name.\n   * @returns {SVGGElement} The SVGGElement representing the named layer or null.\n   */\n  getLayerByName (name) {\n    const layer = this.layer_map[name];\n    return layer ? layer.getGroup() : null;\n  }\n\n  /**\n   * Returns the name of the currently selected layer. If an error occurs, an empty string\n   * is returned.\n   * @returns {string} The name of the currently active layer (or the empty string if none found).\n  */\n  getCurrentLayerName () {\n    return this.current_layer ? this.current_layer.getName() : '';\n  }\n\n  /**\n   * Set the current layer's name.\n   * @param {string} name - The new name.\n   * @param {module:history.HistoryRecordingService} hrService - History recording service\n   * @returns {string|null} The new name if changed; otherwise, null.\n   */\n  setCurrentLayerName (name, hrService) {\n    let finalName = null;\n    if (this.current_layer) {\n      const oldName = this.current_layer.getName();\n      finalName = this.current_layer.setName(name, hrService);\n      if (finalName) {\n        delete this.layer_map[oldName];\n        this.layer_map[finalName] = this.current_layer;\n      }\n    }\n    return finalName;\n  }\n\n  /**\n   * Set the current layer's position.\n   * @param {Integer} newpos - The zero-based index of the new position of the layer. Range should be 0 to layers-1\n   * @returns {{title: SVGGElement, previousName: string}|null} If the name was changed, returns {title:SVGGElement, previousName:string}; otherwise null.\n   */\n  setCurrentLayerPosition (newpos) {\n    const layerCount = this.getNumLayers();\n    if (!this.current_layer || newpos < 0 || newpos >= layerCount) {\n      return null;\n    }\n\n    let oldpos;\n    for (oldpos = 0; oldpos < layerCount; ++oldpos) {\n      if (this.all_layers[oldpos] === this.current_layer) { break; }\n    }\n    // some unknown error condition (current_layer not in all_layers)\n    if (oldpos === layerCount) { return null; }\n\n    if (oldpos !== newpos) {\n      // if our new position is below us, we need to insert before the node after newpos\n      const currentGroup = this.current_layer.getGroup();\n      const oldNextSibling = currentGroup.nextSibling;\n\n      let refGroup = null;\n      if (newpos > oldpos) {\n        if (newpos < layerCount - 1) {\n          refGroup = this.all_layers[newpos + 1].getGroup();\n        }\n      // if our new position is above us, we need to insert before the node at newpos\n      } else {\n        refGroup = this.all_layers[newpos].getGroup();\n      }\n      this.svgElem_.insertBefore(currentGroup, refGroup); // Ok to replace with `refGroup.before(currentGroup);`?\n\n      this.identifyLayers();\n      this.setCurrentLayer(this.getLayerName(newpos));\n\n      return {\n        currentGroup,\n        oldNextSibling\n      };\n    }\n    return null;\n  }\n\n  /**\n  * @param {module:history.HistoryRecordingService} hrService\n  * @returns {undefined}\n  */\n  mergeLayer (hrService) {\n    const currentGroup = this.current_layer.getGroup();\n    const prevGroup = $(currentGroup).prev()[0];\n    if (!prevGroup) { return; }\n\n    hrService.startBatchCommand('Merge Layer');\n\n    const layerNextSibling = currentGroup.nextSibling;\n    hrService.removeElement(currentGroup, layerNextSibling, this.svgElem_);\n\n    while (currentGroup.firstChild) {\n      const child = currentGroup.firstChild;\n      if (child.localName === 'title') {\n        hrService.removeElement(child, child.nextSibling, currentGroup);\n        child.remove();\n        continue;\n      }\n      const oldNextSibling = child.nextSibling;\n      prevGroup.append(child);\n      hrService.moveElement(child, oldNextSibling, currentGroup);\n    }\n\n    // Remove current layer's group\n    this.current_layer.removeGroup();\n    // Remove the current layer and set the previous layer as the new current layer\n    const index = this.all_layers.indexOf(this.current_layer);\n    if (index > 0) {\n      const name = this.current_layer.getName();\n      this.current_layer = this.all_layers[index - 1];\n      this.all_layers.splice(index, 1);\n      delete this.layer_map[name];\n    }\n\n    hrService.endBatchCommand();\n  }\n\n  /**\n  * @param {module:history.HistoryRecordingService} hrService\n  * @returns {undefined}\n  */\n  mergeAllLayers (hrService) {\n    // Set the current layer to the last layer.\n    this.current_layer = this.all_layers[this.all_layers.length - 1];\n\n    hrService.startBatchCommand('Merge all Layers');\n    while (this.all_layers.length > 1) {\n      this.mergeLayer(hrService);\n    }\n    hrService.endBatchCommand();\n  }\n\n  /**\n   * Sets the current layer. If the name is not a valid layer name, then this\n   * function returns `false`. Otherwise it returns `true`. This is not an\n   * undo-able action.\n   * @param {string} name - The name of the layer you want to switch to.\n   * @returns {boolean} `true` if the current layer was switched, otherwise `false`\n   */\n  setCurrentLayer (name) {\n    const layer = this.layer_map[name];\n    if (layer) {\n      if (this.current_layer) {\n        this.current_layer.deactivate();\n      }\n      this.current_layer = layer;\n      this.current_layer.activate();\n      return true;\n    }\n    return false;\n  }\n\n  /**\n   * Deletes the current layer from the drawing and then clears the selection.\n   * This function then calls the 'changed' handler.  This is an undoable action.\n   * @todo Does this actually call the 'changed' handler?\n   * @returns {SVGGElement} The SVGGElement of the layer removed or null.\n   */\n  deleteCurrentLayer () {\n    if (this.current_layer && this.getNumLayers() > 1) {\n      const oldLayerGroup = this.current_layer.removeGroup();\n      this.identifyLayers();\n      return oldLayerGroup;\n    }\n    return null;\n  }\n\n  /**\n   * Updates layer system and sets the current layer to the\n   * top-most layer (last `<g>` child of this drawing).\n   * @returns {undefined}\n  */\n  identifyLayers () {\n    this.all_layers = [];\n    this.layer_map = {};\n    const numchildren = this.svgElem_.childNodes.length;\n    // loop through all children of SVG element\n    const orphans = [], layernames = [];\n    let layer = null;\n    let childgroups = false;\n    for (let i = 0; i < numchildren; ++i) {\n      const child = this.svgElem_.childNodes.item(i);\n      // for each g, find its layer name\n      if (child && child.nodeType === 1) {\n        if (child.tagName === 'g') {\n          childgroups = true;\n          const name = findLayerNameInGroup(child);\n          if (name) {\n            layernames.push(name);\n            layer = new Layer(name, child);\n            this.all_layers.push(layer);\n            this.layer_map[name] = layer;\n          } else {\n            // if group did not have a name, it is an orphan\n            orphans.push(child);\n          }\n        } else if (visElems.includes(child.nodeName)) {\n          // Child is \"visible\" (i.e. not a <title> or <defs> element), so it is an orphan\n          orphans.push(child);\n        }\n      }\n    }\n\n    // If orphans or no layers found, create a new layer and add all the orphans to it\n    if (orphans.length > 0 || !childgroups) {\n      layer = new Layer(getNewLayerName(layernames), null, this.svgElem_);\n      layer.appendChildren(orphans);\n      this.all_layers.push(layer);\n      this.layer_map[name] = layer;\n    } else {\n      layer.activate();\n    }\n    this.current_layer = layer;\n  }\n\n  /**\n   * Creates a new top-level layer in the drawing with the given name and\n   * makes it the current layer.\n   * @param {string} name - The given name. If the layer name exists, a new name will be generated.\n   * @param {module:history.HistoryRecordingService} hrService - History recording service\n   * @returns {SVGGElement} The SVGGElement of the new layer, which is\n   *     also the current layer of this drawing.\n  */\n  createLayer (name, hrService) {\n    if (this.current_layer) {\n      this.current_layer.deactivate();\n    }\n    // Check for duplicate name.\n    if (name === undefined || name === null || name === '' || this.layer_map[name]) {\n      name = getNewLayerName(Object.keys(this.layer_map));\n    }\n\n    // Crate new layer and add to DOM as last layer\n    const layer = new Layer(name, null, this.svgElem_);\n    // Like to assume hrService exists, but this is backwards compatible with old version of createLayer.\n    if (hrService) {\n      hrService.startBatchCommand('Create Layer');\n      hrService.insertElement(layer.getGroup());\n      hrService.endBatchCommand();\n    }\n\n    this.all_layers.push(layer);\n    this.layer_map[name] = layer;\n    this.current_layer = layer;\n    return layer.getGroup();\n  }\n\n  /**\n   * Creates a copy of the current layer with the given name and makes it the current layer.\n   * @param {string} name - The given name. If the layer name exists, a new name will be generated.\n   * @param {module:history.HistoryRecordingService} hrService - History recording service\n   * @returns {SVGGElement} The SVGGElement of the new layer, which is\n   *     also the current layer of this drawing.\n  */\n  cloneLayer (name, hrService) {\n    if (!this.current_layer) { return null; }\n    this.current_layer.deactivate();\n    // Check for duplicate name.\n    if (name === undefined || name === null || name === '' || this.layer_map[name]) {\n      name = getNewLayerName(Object.keys(this.layer_map));\n    }\n\n    // Create new group and add to DOM just after current_layer\n    const currentGroup = this.current_layer.getGroup();\n    const layer = new Layer(name, currentGroup, this.svgElem_);\n    const group = layer.getGroup();\n\n    // Clone children\n    const children = currentGroup.childNodes;\n    for (let index = 0; index < children.length; index++) {\n      const ch = children[index];\n      if (ch.localName === 'title') { continue; }\n      group.append(this.copyElem(ch));\n    }\n\n    if (hrService) {\n      hrService.startBatchCommand('Duplicate Layer');\n      hrService.insertElement(group);\n      hrService.endBatchCommand();\n    }\n\n    // Update layer containers and current_layer.\n    const index = this.all_layers.indexOf(this.current_layer);\n    if (index >= 0) {\n      this.all_layers.splice(index + 1, 0, layer);\n    } else {\n      this.all_layers.push(layer);\n    }\n    this.layer_map[name] = layer;\n    this.current_layer = layer;\n    return group;\n  }\n\n  /**\n   * Returns whether the layer is visible.  If the layer name is not valid,\n   * then this function returns `false`.\n   * @param {string} layerName - The name of the layer which you want to query.\n   * @returns {boolean} The visibility state of the layer, or `false` if the layer name was invalid.\n  */\n  getLayerVisibility (layerName) {\n    const layer = this.layer_map[layerName];\n    return layer ? layer.isVisible() : false;\n  }\n\n  /**\n   * Sets the visibility of the layer. If the layer name is not valid, this\n   * function returns `null`, otherwise it returns the `SVGElement` representing\n   * the layer. This is an undo-able action.\n   * @param {string} layerName - The name of the layer to change the visibility\n   * @param {boolean} bVisible - Whether the layer should be visible\n   * @returns {?SVGGElement} The SVGGElement representing the layer if the\n   *   `layerName` was valid, otherwise `null`.\n  */\n  setLayerVisibility (layerName, bVisible) {\n    if (typeof bVisible !== 'boolean') {\n      return null;\n    }\n    const layer = this.layer_map[layerName];\n    if (!layer) { return null; }\n    layer.setVisible(bVisible);\n    return layer.getGroup();\n  }\n\n  /**\n   * Returns the opacity of the given layer.  If the input name is not a layer, `null` is returned.\n   * @param {string} layerName - name of the layer on which to get the opacity\n   * @returns {?Float} The opacity value of the given layer.  This will be a value between 0.0 and 1.0, or `null`\n   * if `layerName` is not a valid layer\n  */\n  getLayerOpacity (layerName) {\n    const layer = this.layer_map[layerName];\n    if (!layer) { return null; }\n    return layer.getOpacity();\n  }\n\n  /**\n   * Sets the opacity of the given layer.  If the input name is not a layer,\n   * nothing happens. If opacity is not a value between 0.0 and 1.0, then\n   * nothing happens.\n   * NOTE: this function exists solely to apply a highlighting/de-emphasis\n   * effect to a layer. When it is possible for a user to affect the opacity\n   * of a layer, we will need to allow this function to produce an undo-able\n   * action.\n   * @param {string} layerName - Name of the layer on which to set the opacity\n   * @param {Float} opacity - A float value in the range 0.0-1.0\n   * @returns {undefined}\n  */\n  setLayerOpacity (layerName, opacity) {\n    if (typeof opacity !== 'number' || opacity < 0.0 || opacity > 1.0) {\n      return;\n    }\n    const layer = this.layer_map[layerName];\n    if (layer) {\n      layer.setOpacity(opacity);\n    }\n  }\n\n  /**\n   * Create a clone of an element, updating its ID and its children's IDs when needed\n   * @param {Element} el - DOM element to clone\n   * @returns {Element}\n   */\n  copyElem (el) {\n    const self = this;\n    const getNextIdClosure = function () { return self.getNextId(); };\n    return utilCopyElem(el, getNextIdClosure);\n  }\n}\n\n/**\n * Called to ensure that drawings will or will not have randomized ids.\n * The currentDrawing will have its nonce set if it doesn't already.\n * @function module:draw.randomizeIds\n * @param {boolean} enableRandomization - flag indicating if documents should have randomized ids\n * @param {draw.Drawing} currentDrawing\n * @returns {undefined}\n */\nexport const randomizeIds = function (enableRandomization, currentDrawing) {\n  randIds = enableRandomization === false\n    ? RandomizeModes.NEVER_RANDOMIZE\n    : RandomizeModes.ALWAYS_RANDOMIZE;\n\n  if (randIds === RandomizeModes.ALWAYS_RANDOMIZE && !currentDrawing.getNonce()) {\n    currentDrawing.setNonce(Math.floor(Math.random() * 100001));\n  } else if (randIds === RandomizeModes.NEVER_RANDOMIZE && currentDrawing.getNonce()) {\n    currentDrawing.clearNonce();\n  }\n};\n\n// Layer API Functions\n\n/**\n* Group: Layers\n*/\n\n/**\n * @see {@link https://api.jquery.com/jQuery.data/}\n * @name external:jQuery.data\n */\n\n/**\n * @interface module:draw.DrawCanvasInit\n * @property {module:path.pathActions} pathActions\n * @property {external:jQuery.data} elData\n * @property {module:history.UndoManager} undoMgr\n */\n/**\n * @function module:draw.DrawCanvasInit#getCurrentGroup\n * @returns {Element}\n */\n/**\n * @function module:draw.DrawCanvasInit#setCurrentGroup\n * @param {Element} cg\n * @returns {undefined}\n*/\n/**\n * @function module:draw.DrawCanvasInit#getSelectedElements\n * @returns {Element[]} the array with selected DOM elements\n*/\n/**\n * @function module:draw.DrawCanvasInit#getSVGContent\n * @returns {SVGSVGElement}\n */\n/**\n * @function module:draw.DrawCanvasInit#getCurrentDrawing\n * @returns {module:draw.Drawing}\n */\n/**\n * @function module:draw.DrawCanvasInit#clearSelection\n * @param {boolean} [noCall] - When `true`, does not call the \"selected\" handler\n * @returns {undefined}\n*/\n/**\n * Run the callback function associated with the given event\n * @function module:draw.DrawCanvasInit#call\n * @param {\"changed\"|\"contextset\"} ev - String with the event name\n * @param {module:svgcanvas.SvgCanvas#event:changed|module:svgcanvas.SvgCanvas#event:contextset} arg - Argument to pass through to the callback\n * function. If the event is \"changed\", a (single-item) array of `Element`s is\n * passed. If the event is \"contextset\", the arg is `null` or `Element`.\n * @returns {undefined}\n */\n/**\n * @function module:draw.DrawCanvasInit#addCommandToHistory\n * @param {Command} cmd\n * @returns {undefined}\n*/\n/**\n * @function module:draw.DrawCanvasInit#changeSVGContent\n * @returns {undefined}\n */\n\nlet canvas_;\n/**\n* @function module:draw.init\n* @param {module:draw.DrawCanvasInit} canvas\n* @returns {undefined}\n*/\nexport const init = function (canvas) {\n  canvas_ = canvas;\n};\n\n/**\n* Updates layer system\n* @function module:draw.identifyLayers\n* @returns {undefined}\n*/\nexport const identifyLayers = function () {\n  leaveContext();\n  canvas_.getCurrentDrawing().identifyLayers();\n};\n\n/**\n* Creates a new top-level layer in the drawing with the given name, sets the current layer\n* to it, and then clears the selection. This function then calls the 'changed' handler.\n* This is an undoable action.\n* @function module:draw.createLayer\n* @param {string} name - The given name\n* @param {module:history.HistoryRecordingService} hrService\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nexport const createLayer = function (name, hrService) {\n  const newLayer = canvas_.getCurrentDrawing().createLayer(\n    name,\n    historyRecordingService(hrService)\n  );\n  canvas_.clearSelection();\n  canvas_.call('changed', [newLayer]);\n};\n\n/**\n * Creates a new top-level layer in the drawing with the given name, copies all the current layer's contents\n * to it, and then clears the selection. This function then calls the 'changed' handler.\n * This is an undoable action.\n * @function module:draw.cloneLayer\n * @param {string} name - The given name. If the layer name exists, a new name will be generated.\n * @param {module:history.HistoryRecordingService} hrService - History recording service\n * @fires module:svgcanvas.SvgCanvas#event:changed\n * @returns {undefined}\n */\nexport const cloneLayer = function (name, hrService) {\n  // Clone the current layer and make the cloned layer the new current layer\n  const newLayer = canvas_.getCurrentDrawing().cloneLayer(name, historyRecordingService(hrService));\n\n  canvas_.clearSelection();\n  leaveContext();\n  canvas_.call('changed', [newLayer]);\n};\n\n/**\n* Deletes the current layer from the drawing and then clears the selection. This function\n* then calls the 'changed' handler. This is an undoable action.\n* @function module:draw.deleteCurrentLayer\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {boolean} `true` if an old layer group was found to delete\n*/\nexport const deleteCurrentLayer = function () {\n  let currentLayer = canvas_.getCurrentDrawing().getCurrentLayer();\n  const {nextSibling} = currentLayer;\n  const parent = currentLayer.parentNode;\n  currentLayer = canvas_.getCurrentDrawing().deleteCurrentLayer();\n  if (currentLayer) {\n    const batchCmd = new BatchCommand('Delete Layer');\n    // store in our Undo History\n    batchCmd.addSubCommand(new RemoveElementCommand(currentLayer, nextSibling, parent));\n    canvas_.addCommandToHistory(batchCmd);\n    canvas_.clearSelection();\n    canvas_.call('changed', [parent]);\n    return true;\n  }\n  return false;\n};\n\n/**\n* Sets the current layer. If the name is not a valid layer name, then this function returns\n* false. Otherwise it returns true. This is not an undo-able action.\n* @function module:draw.setCurrentLayer\n* @param {string} name - The name of the layer you want to switch to.\n* @returns {boolean} true if the current layer was switched, otherwise false\n*/\nexport const setCurrentLayer = function (name) {\n  const result = canvas_.getCurrentDrawing().setCurrentLayer(toXml(name));\n  if (result) {\n    canvas_.clearSelection();\n  }\n  return result;\n};\n\n/**\n* Renames the current layer. If the layer name is not valid (i.e. unique), then this function\n* does nothing and returns `false`, otherwise it returns `true`. This is an undo-able action.\n* @function module:draw.renameCurrentLayer\n* @param {string} newName - the new name you want to give the current layer. This name must\n* be unique among all layer names.\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {boolean} Whether the rename succeeded\n*/\nexport const renameCurrentLayer = function (newName) {\n  const drawing = canvas_.getCurrentDrawing();\n  const layer = drawing.getCurrentLayer();\n  if (layer) {\n    const result = drawing.setCurrentLayerName(newName, historyRecordingService());\n    if (result) {\n      canvas_.call('changed', [layer]);\n      return true;\n    }\n  }\n  return false;\n};\n\n/**\n* Changes the position of the current layer to the new value. If the new index is not valid,\n* this function does nothing and returns false, otherwise it returns true. This is an\n* undo-able action.\n* @function module:draw.setCurrentLayerPosition\n* @param {Integer} newPos - The zero-based index of the new position of the layer. This should be between\n* 0 and (number of layers - 1)\n* @returns {boolean} `true` if the current layer position was changed, `false` otherwise.\n*/\nexport const setCurrentLayerPosition = function (newPos) {\n  const drawing = canvas_.getCurrentDrawing();\n  const result = drawing.setCurrentLayerPosition(newPos);\n  if (result) {\n    canvas_.addCommandToHistory(new MoveElementCommand(result.currentGroup, result.oldNextSibling, canvas_.getSVGContent()));\n    return true;\n  }\n  return false;\n};\n\n/**\n* Sets the visibility of the layer. If the layer name is not valid, this function return\n* `false`, otherwise it returns `true`. This is an undo-able action.\n* @function module:draw.setLayerVisibility\n* @param {string} layerName - The name of the layer to change the visibility\n* @param {boolean} bVisible - Whether the layer should be visible\n* @returns {boolean} true if the layer's visibility was set, false otherwise\n*/\nexport const setLayerVisibility = function (layerName, bVisible) {\n  const drawing = canvas_.getCurrentDrawing();\n  const prevVisibility = drawing.getLayerVisibility(layerName);\n  const layer = drawing.setLayerVisibility(layerName, bVisible);\n  if (layer) {\n    const oldDisplay = prevVisibility ? 'inline' : 'none';\n    canvas_.addCommandToHistory(new ChangeElementCommand(layer, {display: oldDisplay}, 'Layer Visibility'));\n  } else {\n    return false;\n  }\n\n  if (layer === drawing.getCurrentLayer()) {\n    canvas_.clearSelection();\n    canvas_.pathActions.clear();\n  }\n  // call('changed', [selected]);\n  return true;\n};\n\n/**\n* Moves the selected elements to layerName. If the name is not a valid layer name, then `false`\n* is returned. Otherwise it returns `true`. This is an undo-able action.\n* @function module:draw.moveSelectedToLayer\n* @param {string} layerName - The name of the layer you want to which you want to move the selected elements\n* @returns {boolean} Whether the selected elements were moved to the layer.\n*/\nexport const moveSelectedToLayer = function (layerName) {\n  // find the layer\n  const drawing = canvas_.getCurrentDrawing();\n  const layer = drawing.getLayerByName(layerName);\n  if (!layer) { return false; }\n\n  const batchCmd = new BatchCommand('Move Elements to Layer');\n\n  // loop for each selected element and move it\n  const selElems = canvas_.getSelectedElements();\n  let i = selElems.length;\n  while (i--) {\n    const elem = selElems[i];\n    if (!elem) { continue; }\n    const oldNextSibling = elem.nextSibling;\n    // TODO: this is pretty brittle!\n    const oldLayer = elem.parentNode;\n    layer.append(elem);\n    batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldLayer));\n  }\n\n  canvas_.addCommandToHistory(batchCmd);\n\n  return true;\n};\n\n/**\n* @function module:draw.mergeLayer\n* @param {module:history.HistoryRecordingService} hrService\n* @returns {undefined}\n*/\nexport const mergeLayer = function (hrService) {\n  canvas_.getCurrentDrawing().mergeLayer(historyRecordingService(hrService));\n  canvas_.clearSelection();\n  leaveContext();\n  canvas_.changeSVGContent();\n};\n\n/**\n* @function module:draw.mergeAllLayers\n* @param {module:history.HistoryRecordingService} hrService\n* @returns {undefined}\n*/\nexport const mergeAllLayers = function (hrService) {\n  canvas_.getCurrentDrawing().mergeAllLayers(historyRecordingService(hrService));\n  canvas_.clearSelection();\n  leaveContext();\n  canvas_.changeSVGContent();\n};\n\n/**\n* Return from a group context to the regular kind, make any previously\n* disabled elements enabled again\n* @function module:draw.leaveContext\n* @fires module:svgcanvas.SvgCanvas#event:contextset\n* @returns {undefined}\n*/\nexport const leaveContext = function () {\n  const len = disabledElems.length;\n  if (len) {\n    for (let i = 0; i < len; i++) {\n      const elem = disabledElems[i];\n      const orig = canvas_.elData(elem, 'orig_opac');\n      if (orig !== 1) {\n        elem.setAttribute('opacity', orig);\n      } else {\n        elem.removeAttribute('opacity');\n      }\n      elem.setAttribute('style', 'pointer-events: inherit');\n    }\n    disabledElems = [];\n    canvas_.clearSelection(true);\n    canvas_.call('contextset', null);\n  }\n  canvas_.setCurrentGroup(null);\n};\n\n/**\n* Set the current context (for in-group editing)\n* @function module:draw.setContext\n* @param {Element} elem\n* @fires module:svgcanvas.SvgCanvas#event:contextset\n* @returns {undefined}\n*/\nexport const setContext = function (elem) {\n  leaveContext();\n  if (typeof elem === 'string') {\n    elem = getElem(elem);\n  }\n\n  // Edit inside this group\n  canvas_.setCurrentGroup(elem);\n\n  // Disable other elements\n  $(elem).parentsUntil('#svgcontent').andSelf().siblings().each(function () {\n    const opac = this.getAttribute('opacity') || 1;\n    // Store the original's opacity\n    canvas_.elData(this, 'orig_opac', opac);\n    this.setAttribute('opacity', opac * 0.33);\n    this.setAttribute('style', 'pointer-events: none');\n    disabledElems.push(this);\n  });\n\n  canvas_.clearSelection();\n  canvas_.call('contextset', canvas_.getCurrentGroup());\n};\n\n/**\n* @memberof module:draw\n* @class Layer\n* @see {@link module:layer.Layer}\n*/\nexport {Layer};\n","/**\n * Tools for SVG sanitization\n * @module sanitize\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport {getReverseNS, NS} from './namespaces.js';\nimport {isGecko} from './browser.js';\nimport {getHref, setHref, getUrlFromAttr} from './utilities.js';\n\nconst REVERSE_NS = getReverseNS();\n\n// this defines which elements and attributes that we support\nconst svgWhiteList_ = {\n  // SVG Elements\n  a: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'mask', 'opacity', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'xlink:href', 'xlink:title'],\n  circle: ['class', 'clip-path', 'clip-rule', 'cx', 'cy', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'mask', 'opacity', 'r', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  clipPath: ['class', 'clipPathUnits', 'id'],\n  defs: [],\n  style: ['type'],\n  desc: [],\n  ellipse: ['class', 'clip-path', 'clip-rule', 'cx', 'cy', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'mask', 'opacity', 'requiredFeatures', 'rx', 'ry', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  feGaussianBlur: ['class', 'color-interpolation-filters', 'id', 'requiredFeatures', 'stdDeviation'],\n  filter: ['class', 'color-interpolation-filters', 'filterRes', 'filterUnits', 'height', 'id', 'primitiveUnits', 'requiredFeatures', 'width', 'x', 'xlink:href', 'y'],\n  foreignObject: ['class', 'font-size', 'height', 'id', 'opacity', 'requiredFeatures', 'style', 'transform', 'width', 'x', 'y'],\n  g: ['class', 'clip-path', 'clip-rule', 'id', 'display', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'font-family', 'font-size', 'font-style', 'font-weight', 'text-anchor'],\n  image: ['class', 'clip-path', 'clip-rule', 'filter', 'height', 'id', 'mask', 'opacity', 'requiredFeatures', 'style', 'systemLanguage', 'transform', 'width', 'x', 'xlink:href', 'xlink:title', 'y'],\n  line: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'x1', 'x2', 'y1', 'y2'],\n  linearGradient: ['class', 'id', 'gradientTransform', 'gradientUnits', 'requiredFeatures', 'spreadMethod', 'systemLanguage', 'x1', 'x2', 'xlink:href', 'y1', 'y2'],\n  marker: ['id', 'class', 'markerHeight', 'markerUnits', 'markerWidth', 'orient', 'preserveAspectRatio', 'refX', 'refY', 'systemLanguage', 'viewBox'],\n  mask: ['class', 'height', 'id', 'maskContentUnits', 'maskUnits', 'width', 'x', 'y'],\n  metadata: ['class', 'id'],\n  path: ['class', 'clip-path', 'clip-rule', 'd', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  pattern: ['class', 'height', 'id', 'patternContentUnits', 'patternTransform', 'patternUnits', 'requiredFeatures', 'style', 'systemLanguage', 'viewBox', 'width', 'x', 'xlink:href', 'y'],\n  polygon: ['class', 'clip-path', 'clip-rule', 'id', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'class', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'opacity', 'points', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  polyline: ['class', 'clip-path', 'clip-rule', 'id', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'opacity', 'points', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  radialGradient: ['class', 'cx', 'cy', 'fx', 'fy', 'gradientTransform', 'gradientUnits', 'id', 'r', 'requiredFeatures', 'spreadMethod', 'systemLanguage', 'xlink:href'],\n  rect: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'height', 'id', 'mask', 'opacity', 'requiredFeatures', 'rx', 'ry', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'width', 'x', 'y'],\n  stop: ['class', 'id', 'offset', 'requiredFeatures', 'stop-color', 'stop-opacity', 'style', 'systemLanguage'],\n  svg: ['class', 'clip-path', 'clip-rule', 'filter', 'id', 'height', 'mask', 'preserveAspectRatio', 'requiredFeatures', 'style', 'systemLanguage', 'viewBox', 'width', 'x', 'xmlns', 'xmlns:se', 'xmlns:xlink', 'y'],\n  switch: ['class', 'id', 'requiredFeatures', 'systemLanguage'],\n  symbol: ['class', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'font-family', 'font-size', 'font-style', 'font-weight', 'id', 'opacity', 'preserveAspectRatio', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'viewBox'],\n  text: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'font-family', 'font-size', 'font-style', 'font-weight', 'id', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'text-anchor', 'transform', 'x', 'xml:space', 'y'],\n  textPath: ['class', 'id', 'method', 'requiredFeatures', 'spacing', 'startOffset', 'style', 'systemLanguage', 'transform', 'xlink:href'],\n  title: [],\n  tspan: ['class', 'clip-path', 'clip-rule', 'dx', 'dy', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'font-family', 'font-size', 'font-style', 'font-weight', 'id', 'mask', 'opacity', 'requiredFeatures', 'rotate', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'text-anchor', 'textLength', 'transform', 'x', 'xml:space', 'y'],\n  use: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'height', 'id', 'mask', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'transform', 'width', 'x', 'xlink:href', 'y'],\n\n  // MathML Elements\n  annotation: ['encoding'],\n  'annotation-xml': ['encoding'],\n  maction: ['actiontype', 'other', 'selection'],\n  math: ['class', 'id', 'display', 'xmlns'],\n  menclose: ['notation'],\n  merror: [],\n  mfrac: ['linethickness'],\n  mi: ['mathvariant'],\n  mmultiscripts: [],\n  mn: [],\n  mo: ['fence', 'lspace', 'maxsize', 'minsize', 'rspace', 'stretchy'],\n  mover: [],\n  mpadded: ['lspace', 'width', 'height', 'depth', 'voffset'],\n  mphantom: [],\n  mprescripts: [],\n  mroot: [],\n  mrow: ['xlink:href', 'xlink:type', 'xmlns:xlink'],\n  mspace: ['depth', 'height', 'width'],\n  msqrt: [],\n  mstyle: ['displaystyle', 'mathbackground', 'mathcolor', 'mathvariant', 'scriptlevel'],\n  msub: [],\n  msubsup: [],\n  msup: [],\n  mtable: ['align', 'columnalign', 'columnlines', 'columnspacing', 'displaystyle', 'equalcolumns', 'equalrows', 'frame', 'rowalign', 'rowlines', 'rowspacing', 'width'],\n  mtd: ['columnalign', 'columnspan', 'rowalign', 'rowspan'],\n  mtext: [],\n  mtr: ['columnalign', 'rowalign'],\n  munder: [],\n  munderover: [],\n  none: [],\n  semantics: []\n};\n\n// Produce a Namespace-aware version of svgWhitelist\nconst svgWhiteListNS_ = {};\nObject.entries(svgWhiteList_).forEach(function ([elt, atts]) {\n  const attNS = {};\n  Object.entries(atts).forEach(function ([i, att]) {\n    if (att.includes(':')) {\n      const v = att.split(':');\n      attNS[v[1]] = NS[(v[0]).toUpperCase()];\n    } else {\n      attNS[att] = att === 'xmlns' ? NS.XMLNS : null;\n    }\n  });\n  svgWhiteListNS_[elt] = attNS;\n});\n\n/**\n* Sanitizes the input node and its children.\n* It only keeps what is allowed from our whitelist defined above.\n* @function module:sanitize.sanitizeSvg\n* @param {Text|Element} node - The DOM element to be checked (we'll also check its children) or text node to be cleaned up\n* @returns {undefined}\n*/\nexport const sanitizeSvg = function (node) {\n  // Cleanup text nodes\n  if (node.nodeType === 3) { // 3 === TEXT_NODE\n    // Trim whitespace\n    node.nodeValue = node.nodeValue.replace(/^\\s+|\\s+$/g, '');\n    // Remove if empty\n    if (!node.nodeValue.length) {\n      node.remove();\n    }\n  }\n\n  // We only care about element nodes.\n  // Automatically return for all non-element nodes, such as comments, etc.\n  if (node.nodeType !== 1) { // 1 == ELEMENT_NODE\n    return;\n  }\n\n  const doc = node.ownerDocument;\n  const parent = node.parentNode;\n  // can parent ever be null here?  I think the root node's parent is the document...\n  if (!doc || !parent) {\n    return;\n  }\n\n  const allowedAttrs = svgWhiteList_[node.nodeName];\n  const allowedAttrsNS = svgWhiteListNS_[node.nodeName];\n  // if this element is supported, sanitize it\n  if (typeof allowedAttrs !== 'undefined') {\n    const seAttrs = [];\n    let i = node.attributes.length;\n    while (i--) {\n      // if the attribute is not in our whitelist, then remove it\n      // could use jQuery's inArray(), but I don't know if that's any better\n      const attr = node.attributes.item(i);\n      const attrName = attr.nodeName;\n      const attrLocalName = attr.localName;\n      const attrNsURI = attr.namespaceURI;\n      // Check that an attribute with the correct localName in the correct namespace is on\n      // our whitelist or is a namespace declaration for one of our allowed namespaces\n      if (!(allowedAttrsNS.hasOwnProperty(attrLocalName) && attrNsURI === allowedAttrsNS[attrLocalName] && attrNsURI !== NS.XMLNS) &&\n        !(attrNsURI === NS.XMLNS && REVERSE_NS[attr.value])) {\n        // TODO(codedread): Programmatically add the se: attributes to the NS-aware whitelist.\n        // Bypassing the whitelist to allow se: prefixes.\n        // Is there a more appropriate way to do this?\n        if (attrName.startsWith('se:') || attrName.startsWith('data-')) {\n          seAttrs.push([attrName, attr.value]);\n        }\n        node.removeAttributeNS(attrNsURI, attrLocalName);\n      }\n\n      // Add spaces before negative signs where necessary\n      if (isGecko()) {\n        switch (attrName) {\n        case 'transform':\n        case 'gradientTransform':\n        case 'patternTransform':\n          const val = attr.value.replace(/(\\d)-/g, '$1 -');\n          node.setAttribute(attrName, val);\n          break;\n        }\n      }\n\n      // For the style attribute, rewrite it in terms of XML presentational attributes\n      if (attrName === 'style') {\n        const props = attr.value.split(';');\n        let p = props.length;\n        while (p--) {\n          const [name, val] = props[p].split(':');\n          const styleAttrName = (name || '').trim();\n          const styleAttrVal = (val || '').trim();\n          // Now check that this attribute is supported\n          if (allowedAttrs.includes(styleAttrName)) {\n            node.setAttribute(styleAttrName, styleAttrVal);\n          }\n        }\n        node.removeAttribute('style');\n      }\n    }\n\n    Object.values(seAttrs).forEach(([att, val]) => {\n      node.setAttributeNS(NS.SE, att, val);\n    });\n\n    // for some elements that have a xlink:href, ensure the URI refers to a local element\n    // (but not for links)\n    const href = getHref(node);\n    if (href &&\n      ['filter', 'linearGradient', 'pattern',\n        'radialGradient', 'textPath', 'use'].includes(node.nodeName)) {\n      // TODO: we simply check if the first character is a #, is this bullet-proof?\n      if (href[0] !== '#') {\n        // remove the attribute (but keep the element)\n        setHref(node, '');\n        node.removeAttributeNS(NS.XLINK, 'href');\n      }\n    }\n\n    // Safari crashes on a <use> without a xlink:href, so we just remove the node here\n    if (node.nodeName === 'use' && !getHref(node)) {\n      node.remove();\n      return;\n    }\n    // if the element has attributes pointing to a non-local reference,\n    // need to remove the attribute\n    Object.values(['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'], function (attr) {\n      let val = node.getAttribute(attr);\n      if (val) {\n        val = getUrlFromAttr(val);\n        // simply check for first character being a '#'\n        if (val && val[0] !== '#') {\n          node.setAttribute(attr, '');\n          node.removeAttribute(attr);\n        }\n      }\n    });\n\n    // recurse to children\n    i = node.childNodes.length;\n    while (i--) { sanitizeSvg(node.childNodes.item(i)); }\n  // else (element not supported), remove it\n  } else {\n    // remove all children from this node and insert them before this node\n    // FIXME: in the case of animation elements this will hardly ever be correct\n    const children = [];\n    while (node.hasChildNodes()) {\n      children.push(parent.insertBefore(node.firstChild, node));\n    }\n\n    // remove this node from the document altogether\n    node.remove();\n\n    // call sanitizeSvg on each of those children\n    let i = children.length;\n    while (i--) { sanitizeSvg(children[i]); }\n  }\n};\n","/* globals jQuery */\n/**\n * Manipulating coordinates\n * @module coords\n * @license MIT\n */\n\nimport './svgpathseg.js';\nimport {\n  snapToGrid, assignAttributes, getBBox, getRefElem, findDefs\n} from './utilities.js';\nimport {\n  transformPoint, transformListToTransform, matrixMultiply, transformBox\n} from './math.js';\nimport {getTransformList} from './svgtransformlist.js';\n\nconst $ = jQuery;\n\n// this is how we map paths to our preferred relative segment types\nconst pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a',\n  'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];\n\n/**\n * @interface module:coords.EditorContext\n */\n/**\n * @function module:coords.EditorContext#getGridSnapping\n * @returns {boolean}\n */\n/**\n * @function module:coords.EditorContext#getDrawing\n * @returns {module:draw.Drawing}\n*/\n/**\n * @function module:coords.EditorContext#getSVGRoot\n * @returns {SVGSVGElement}\n*/\n\nlet editorContext_ = null;\n\n/**\n* @function module:coords.init\n* @param {module:coords.EditorContext} editorContext\n*/\nexport const init = function (editorContext) {\n  editorContext_ = editorContext;\n};\n\n/**\n * Applies coordinate changes to an element based on the given matrix\n * @function module:coords.remapElement\n * @implements {module:path.EditorContext#remapElement}\n*/\nexport const remapElement = function (selected, changes, m) {\n  const remap = function (x, y) { return transformPoint(x, y, m); },\n    scalew = function (w) { return m.a * w; },\n    scaleh = function (h) { return m.d * h; },\n    doSnapping = editorContext_.getGridSnapping() && selected.parentNode.parentNode.localName === 'svg',\n    finishUp = function () {\n      if (doSnapping) {\n        for (const o in changes) {\n          changes[o] = snapToGrid(changes[o]);\n        }\n      }\n      assignAttributes(selected, changes, 1000, true);\n    },\n    box = getBBox(selected);\n\n  for (let i = 0; i < 2; i++) {\n    const type = i === 0 ? 'fill' : 'stroke';\n    const attrVal = selected.getAttribute(type);\n    if (attrVal && attrVal.startsWith('url(')) {\n      if (m.a < 0 || m.d < 0) {\n        const grad = getRefElem(attrVal);\n        const newgrad = grad.cloneNode(true);\n        if (m.a < 0) {\n          // flip x\n          const x1 = newgrad.getAttribute('x1');\n          const x2 = newgrad.getAttribute('x2');\n          newgrad.setAttribute('x1', -(x1 - 1));\n          newgrad.setAttribute('x2', -(x2 - 1));\n        }\n\n        if (m.d < 0) {\n          // flip y\n          const y1 = newgrad.getAttribute('y1');\n          const y2 = newgrad.getAttribute('y2');\n          newgrad.setAttribute('y1', -(y1 - 1));\n          newgrad.setAttribute('y2', -(y2 - 1));\n        }\n        newgrad.id = editorContext_.getDrawing().getNextId();\n        findDefs().append(newgrad);\n        selected.setAttribute(type, 'url(#' + newgrad.id + ')');\n      }\n\n      // Not really working :(\n      // if (selected.tagName === 'path') {\n      //   reorientGrads(selected, m);\n      // }\n    }\n  }\n\n  const elName = selected.tagName;\n  if (elName === 'g' || elName === 'text' || elName === 'tspan' || elName === 'use') {\n    // if it was a translate, then just update x,y\n    if (m.a === 1 && m.b === 0 && m.c === 0 && m.d === 1 && (m.e !== 0 || m.f !== 0)) {\n      // [T][M] = [M][T']\n      // therefore [T'] = [M_inv][T][M]\n      const existing = transformListToTransform(selected).matrix,\n        tNew = matrixMultiply(existing.inverse(), m, existing);\n      changes.x = parseFloat(changes.x) + tNew.e;\n      changes.y = parseFloat(changes.y) + tNew.f;\n    } else {\n      // we just absorb all matrices into the element and don't do any remapping\n      const chlist = getTransformList(selected);\n      const mt = editorContext_.getSVGRoot().createSVGTransform();\n      mt.setMatrix(matrixMultiply(transformListToTransform(chlist).matrix, m));\n      chlist.clear();\n      chlist.appendItem(mt);\n    }\n  }\n\n  // now we have a set of changes and an applied reduced transform list\n  // we apply the changes directly to the DOM\n  switch (elName) {\n  case 'foreignObject':\n  case 'rect':\n  case 'image': {\n    // Allow images to be inverted (give them matrix when flipped)\n    if (elName === 'image' && (m.a < 0 || m.d < 0)) {\n      // Convert to matrix\n      const chlist = getTransformList(selected);\n      const mt = editorContext_.getSVGRoot().createSVGTransform();\n      mt.setMatrix(matrixMultiply(transformListToTransform(chlist).matrix, m));\n      chlist.clear();\n      chlist.appendItem(mt);\n    } else {\n      const pt1 = remap(changes.x, changes.y);\n      changes.width = scalew(changes.width);\n      changes.height = scaleh(changes.height);\n      changes.x = pt1.x + Math.min(0, changes.width);\n      changes.y = pt1.y + Math.min(0, changes.height);\n      changes.width = Math.abs(changes.width);\n      changes.height = Math.abs(changes.height);\n    }\n    finishUp();\n    break;\n  } case 'ellipse': {\n    const c = remap(changes.cx, changes.cy);\n    changes.cx = c.x;\n    changes.cy = c.y;\n    changes.rx = scalew(changes.rx);\n    changes.ry = scaleh(changes.ry);\n    changes.rx = Math.abs(changes.rx);\n    changes.ry = Math.abs(changes.ry);\n    finishUp();\n    break;\n  } case 'circle': {\n    const c = remap(changes.cx, changes.cy);\n    changes.cx = c.x;\n    changes.cy = c.y;\n    // take the minimum of the new selected box's dimensions for the new circle radius\n    const tbox = transformBox(box.x, box.y, box.width, box.height, m);\n    const w = tbox.tr.x - tbox.tl.x, h = tbox.bl.y - tbox.tl.y;\n    changes.r = Math.min(w / 2, h / 2);\n\n    if (changes.r) { changes.r = Math.abs(changes.r); }\n    finishUp();\n    break;\n  } case 'line': {\n    const pt1 = remap(changes.x1, changes.y1);\n    const pt2 = remap(changes.x2, changes.y2);\n    changes.x1 = pt1.x;\n    changes.y1 = pt1.y;\n    changes.x2 = pt2.x;\n    changes.y2 = pt2.y;\n  } // Fallthrough\n  case 'text':\n  case 'tspan':\n  case 'use': {\n    finishUp();\n    break;\n  } case 'g': {\n    const gsvg = $(selected).data('gsvg');\n    if (gsvg) {\n      assignAttributes(gsvg, changes, 1000, true);\n    }\n    break;\n  } case 'polyline':\n  case 'polygon': {\n    const len = changes.points.length;\n    for (let i = 0; i < len; ++i) {\n      const pt = changes.points[i];\n      const {x, y} = remap(pt.x, pt.y);\n      changes.points[i].x = x;\n      changes.points[i].y = y;\n    }\n\n    // const len = changes.points.length;\n    let pstr = '';\n    for (let i = 0; i < len; ++i) {\n      const pt = changes.points[i];\n      pstr += pt.x + ',' + pt.y + ' ';\n    }\n    selected.setAttribute('points', pstr);\n    break;\n  } case 'path': {\n    const segList = selected.pathSegList;\n    let len = segList.numberOfItems;\n    changes.d = [];\n    for (let i = 0; i < len; ++i) {\n      const seg = segList.getItem(i);\n      changes.d[i] = {\n        type: seg.pathSegType,\n        x: seg.x,\n        y: seg.y,\n        x1: seg.x1,\n        y1: seg.y1,\n        x2: seg.x2,\n        y2: seg.y2,\n        r1: seg.r1,\n        r2: seg.r2,\n        angle: seg.angle,\n        largeArcFlag: seg.largeArcFlag,\n        sweepFlag: seg.sweepFlag\n      };\n    }\n\n    len = changes.d.length;\n    const firstseg = changes.d[0],\n      currentpt = remap(firstseg.x, firstseg.y);\n    changes.d[0].x = currentpt.x;\n    changes.d[0].y = currentpt.y;\n    for (let i = 1; i < len; ++i) {\n      const seg = changes.d[i];\n      const {type} = seg;\n      // if absolute or first segment, we want to remap x, y, x1, y1, x2, y2\n      // if relative, we want to scalew, scaleh\n      if (type % 2 === 0) { // absolute\n        const thisx = (seg.x !== undefined) ? seg.x : currentpt.x, // for V commands\n          thisy = (seg.y !== undefined) ? seg.y : currentpt.y; // for H commands\n        const pt = remap(thisx, thisy);\n        const pt1 = remap(seg.x1, seg.y1);\n        const pt2 = remap(seg.x2, seg.y2);\n        seg.x = pt.x;\n        seg.y = pt.y;\n        seg.x1 = pt1.x;\n        seg.y1 = pt1.y;\n        seg.x2 = pt2.x;\n        seg.y2 = pt2.y;\n        seg.r1 = scalew(seg.r1);\n        seg.r2 = scaleh(seg.r2);\n      } else { // relative\n        seg.x = scalew(seg.x);\n        seg.y = scaleh(seg.y);\n        seg.x1 = scalew(seg.x1);\n        seg.y1 = scaleh(seg.y1);\n        seg.x2 = scalew(seg.x2);\n        seg.y2 = scaleh(seg.y2);\n        seg.r1 = scalew(seg.r1);\n        seg.r2 = scaleh(seg.r2);\n      }\n    } // for each segment\n\n    let dstr = '';\n    len = changes.d.length;\n    for (let i = 0; i < len; ++i) {\n      const seg = changes.d[i];\n      const {type} = seg;\n      dstr += pathMap[type];\n      switch (type) {\n      case 13: // relative horizontal line (h)\n      case 12: // absolute horizontal line (H)\n        dstr += seg.x + ' ';\n        break;\n      case 15: // relative vertical line (v)\n      case 14: // absolute vertical line (V)\n        dstr += seg.y + ' ';\n        break;\n      case 3: // relative move (m)\n      case 5: // relative line (l)\n      case 19: // relative smooth quad (t)\n      case 2: // absolute move (M)\n      case 4: // absolute line (L)\n      case 18: // absolute smooth quad (T)\n        dstr += seg.x + ',' + seg.y + ' ';\n        break;\n      case 7: // relative cubic (c)\n      case 6: // absolute cubic (C)\n        dstr += seg.x1 + ',' + seg.y1 + ' ' + seg.x2 + ',' + seg.y2 + ' ' +\n          seg.x + ',' + seg.y + ' ';\n        break;\n      case 9: // relative quad (q)\n      case 8: // absolute quad (Q)\n        dstr += seg.x1 + ',' + seg.y1 + ' ' + seg.x + ',' + seg.y + ' ';\n        break;\n      case 11: // relative elliptical arc (a)\n      case 10: // absolute elliptical arc (A)\n        dstr += seg.r1 + ',' + seg.r2 + ' ' + seg.angle + ' ' + (+seg.largeArcFlag) +\n          ' ' + (+seg.sweepFlag) + ' ' + seg.x + ',' + seg.y + ' ';\n        break;\n      case 17: // relative smooth cubic (s)\n      case 16: // absolute smooth cubic (S)\n        dstr += seg.x2 + ',' + seg.y2 + ' ' + seg.x + ',' + seg.y + ' ';\n        break;\n      }\n    }\n\n    selected.setAttribute('d', dstr);\n    break;\n  }\n  }\n};\n","/* globals jQuery */\n/**\n * Recalculate.\n * @module recalculate\n * @license MIT\n */\n\nimport jqPluginSVG from './jQuery.attr.js'; // Needed for SVG attribute setting and array form with `attr`\nimport {NS} from './namespaces.js';\nimport {convertToNum} from './units.js';\nimport {isWebkit} from './browser.js';\nimport {getTransformList} from './svgtransformlist.js';\nimport {getRotationAngle, getHref, getBBox, getRefElem} from './utilities.js';\nimport {BatchCommand, ChangeElementCommand} from './history.js';\nimport {remapElement} from './coords.js';\nimport {\n  isIdentity, matrixMultiply, transformPoint, transformListToTransform,\n  hasMatrixTransform\n} from './math.js';\n\nconst $ = jqPluginSVG(jQuery);\n\nlet context_;\n\n/**\n* @interface module:recalculate.EditorContext\n*/\n/**\n * @function module:recalculate.EditorContext#getSVGRoot\n * @returns {SVGSVGElement} The root DOM element\n */\n/**\n * @function module:recalculate.EditorContext#getStartTransform\n * @returns {string}\n*/\n/**\n * @function module:recalculate.EditorContext#setStartTransform\n * @param {string} transform\n * @returns {undefined}\n */\n\n/**\n* @function module:recalculate.init\n* @param {module:recalculate.EditorContext} editorContext\n* @returns {undefined}\n*/\nexport const init = function (editorContext) {\n  context_ = editorContext;\n};\n\n/**\n* Updates a `<clipPath>`s values based on the given translation of an element\n* @function module:recalculate.updateClipPath\n* @param {string} attr - The clip-path attribute value with the clipPath's ID\n* @param {Float} tx - The translation's x value\n* @param {Float} ty - The translation's y value\n* @returns {undefined}\n*/\nexport const updateClipPath = function (attr, tx, ty) {\n  const path = getRefElem(attr).firstChild;\n  const cpXform = getTransformList(path);\n  const newxlate = context_.getSVGRoot().createSVGTransform();\n  newxlate.setTranslate(tx, ty);\n\n  cpXform.appendItem(newxlate);\n\n  // Update clipPath's dimensions\n  recalculateDimensions(path);\n};\n\n/**\n* Decides the course of action based on the element's transform list\n* @function module:recalculate.recalculateDimensions\n* @param {Element} selected - The DOM element to recalculate\n* @returns {Command} Undo command object with the resulting change\n*/\nexport const recalculateDimensions = function (selected) {\n  if (selected == null) { return null; }\n\n  // Firefox Issue - 1081\n  if (selected.nodeName === 'svg' && navigator.userAgent.includes('Firefox/20')) {\n    return null;\n  }\n\n  const svgroot = context_.getSVGRoot();\n  const tlist = getTransformList(selected);\n\n  // remove any unnecessary transforms\n  if (tlist && tlist.numberOfItems > 0) {\n    let k = tlist.numberOfItems;\n    const noi = k;\n    while (k--) {\n      const xform = tlist.getItem(k);\n      if (xform.type === 0) {\n        tlist.removeItem(k);\n      // remove identity matrices\n      } else if (xform.type === 1) {\n        if (isIdentity(xform.matrix)) {\n          if (noi === 1) {\n            // Overcome Chrome bug (though only when noi is 1) with\n            //    `removeItem` preventing `removeAttribute` from\n            //    subsequently working\n            // See https://bugs.chromium.org/p/chromium/issues/detail?id=843901\n            selected.removeAttribute('transform');\n            return null;\n          }\n          tlist.removeItem(k);\n        }\n      // remove zero-degree rotations\n      } else if (xform.type === 4) {\n        if (xform.angle === 0) {\n          tlist.removeItem(k);\n        }\n      }\n    }\n    // End here if all it has is a rotation\n    if (tlist.numberOfItems === 1 &&\n        getRotationAngle(selected)) { return null; }\n  }\n\n  // if this element had no transforms, we are done\n  if (!tlist || tlist.numberOfItems === 0) {\n    // Chrome apparently had a bug that requires clearing the attribute first.\n    selected.setAttribute('transform', '');\n    // However, this still next line currently doesn't work at all in Chrome\n    selected.removeAttribute('transform');\n    // selected.transform.baseVal.clear(); // Didn't help for Chrome bug\n    return null;\n  }\n\n  // TODO: Make this work for more than 2\n  if (tlist) {\n    let mxs = [];\n    let k = tlist.numberOfItems;\n    while (k--) {\n      const xform = tlist.getItem(k);\n      if (xform.type === 1) {\n        mxs.push([xform.matrix, k]);\n      } else if (mxs.length) {\n        mxs = [];\n      }\n    }\n    if (mxs.length === 2) {\n      const mNew = svgroot.createSVGTransformFromMatrix(matrixMultiply(mxs[1][0], mxs[0][0]));\n      tlist.removeItem(mxs[0][1]);\n      tlist.removeItem(mxs[1][1]);\n      tlist.insertItemBefore(mNew, mxs[1][1]);\n    }\n\n    // combine matrix + translate\n    k = tlist.numberOfItems;\n    if (k >= 2 && tlist.getItem(k - 2).type === 1 && tlist.getItem(k - 1).type === 2) {\n      const mt = svgroot.createSVGTransform();\n\n      const m = matrixMultiply(\n        tlist.getItem(k - 2).matrix,\n        tlist.getItem(k - 1).matrix);\n      mt.setMatrix(m);\n      tlist.removeItem(k - 2);\n      tlist.removeItem(k - 2);\n      tlist.appendItem(mt);\n    }\n  }\n\n  // If it still has a single [M] or [R][M], return null too (prevents BatchCommand from being returned).\n  switch (selected.tagName) {\n  // Ignore these elements, as they can absorb the [M]\n  case 'line':\n  case 'polyline':\n  case 'polygon':\n  case 'path':\n    break;\n  default:\n    if ((tlist.numberOfItems === 1 && tlist.getItem(0).type === 1) ||\n        (tlist.numberOfItems === 2 && tlist.getItem(0).type === 1 && tlist.getItem(0).type === 4)) {\n      return null;\n    }\n  }\n\n  // Grouped SVG element\n  const gsvg = $(selected).data('gsvg');\n\n  // we know we have some transforms, so set up return variable\n  const batchCmd = new BatchCommand('Transform');\n\n  // store initial values that will be affected by reducing the transform list\n  let changes = {};\n  let initial = null;\n  let attrs = [];\n  switch (selected.tagName) {\n  case 'line':\n    attrs = ['x1', 'y1', 'x2', 'y2'];\n    break;\n  case 'circle':\n    attrs = ['cx', 'cy', 'r'];\n    break;\n  case 'ellipse':\n    attrs = ['cx', 'cy', 'rx', 'ry'];\n    break;\n  case 'foreignObject':\n  case 'rect':\n  case 'image':\n    attrs = ['width', 'height', 'x', 'y'];\n    break;\n  case 'use':\n  case 'text':\n  case 'tspan':\n    attrs = ['x', 'y'];\n    break;\n  case 'polygon':\n  case 'polyline': {\n    initial = {};\n    initial.points = selected.getAttribute('points');\n    const list = selected.points;\n    const len = list.numberOfItems;\n    changes.points = new Array(len);\n    for (let i = 0; i < len; ++i) {\n      const pt = list.getItem(i);\n      changes.points[i] = {x: pt.x, y: pt.y};\n    }\n    break;\n  } case 'path':\n    initial = {};\n    initial.d = selected.getAttribute('d');\n    changes.d = selected.getAttribute('d');\n    break;\n  } // switch on element type to get initial values\n\n  if (attrs.length) {\n    changes = $(selected).attr(attrs);\n    $.each(changes, function (attr, val) {\n      changes[attr] = convertToNum(attr, val);\n    });\n  } else if (gsvg) {\n    // GSVG exception\n    changes = {\n      x: $(gsvg).attr('x') || 0,\n      y: $(gsvg).attr('y') || 0\n    };\n  }\n\n  // if we haven't created an initial array in polygon/polyline/path, then\n  // make a copy of initial values and include the transform\n  if (initial == null) {\n    initial = $.extend(true, {}, changes);\n    $.each(initial, function (attr, val) {\n      initial[attr] = convertToNum(attr, val);\n    });\n  }\n  // save the start transform value too\n  initial.transform = context_.getStartTransform() || '';\n\n  let oldcenter, newcenter;\n\n  // if it's a regular group, we have special processing to flatten transforms\n  if ((selected.tagName === 'g' && !gsvg) || selected.tagName === 'a') {\n    const box = getBBox(selected);\n\n    oldcenter = {x: box.x + box.width / 2, y: box.y + box.height / 2};\n    newcenter = transformPoint(\n      box.x + box.width / 2,\n      box.y + box.height / 2,\n      transformListToTransform(tlist).matrix\n    );\n    // let m = svgroot.createSVGMatrix();\n\n    // temporarily strip off the rotate and save the old center\n    const gangle = getRotationAngle(selected);\n    if (gangle) {\n      const a = gangle * Math.PI / 180;\n      let s;\n      if (Math.abs(a) > (1.0e-10)) {\n        s = Math.sin(a) / (1 - Math.cos(a));\n      } else {\n        // FIXME: This blows up if the angle is exactly 0!\n        s = 2 / a;\n      }\n      for (let i = 0; i < tlist.numberOfItems; ++i) {\n        const xform = tlist.getItem(i);\n        if (xform.type === 4) {\n          // extract old center through mystical arts\n          const rm = xform.matrix;\n          oldcenter.y = (s * rm.e + rm.f) / 2;\n          oldcenter.x = (rm.e - s * rm.f) / 2;\n          tlist.removeItem(i);\n          break;\n        }\n      }\n    }\n    const N = tlist.numberOfItems;\n    let tx = 0, ty = 0, operation = 0;\n\n    let firstM;\n    if (N) {\n      firstM = tlist.getItem(0).matrix;\n    }\n\n    let oldStartTransform;\n    // first, if it was a scale then the second-last transform will be it\n    if (N >= 3 && tlist.getItem(N - 2).type === 3 &&\n      tlist.getItem(N - 3).type === 2 && tlist.getItem(N - 1).type === 2) {\n      operation = 3; // scale\n\n      // if the children are unrotated, pass the scale down directly\n      // otherwise pass the equivalent matrix() down directly\n      const tm = tlist.getItem(N - 3).matrix,\n        sm = tlist.getItem(N - 2).matrix,\n        tmn = tlist.getItem(N - 1).matrix;\n\n      const children = selected.childNodes;\n      let c = children.length;\n      while (c--) {\n        const child = children.item(c);\n        tx = 0;\n        ty = 0;\n        if (child.nodeType === 1) {\n          const childTlist = getTransformList(child);\n\n          // some children might not have a transform (<metadata>, <defs>, etc)\n          if (!childTlist) { continue; }\n\n          const m = transformListToTransform(childTlist).matrix;\n\n          // Convert a matrix to a scale if applicable\n          // if (hasMatrixTransform(childTlist) && childTlist.numberOfItems == 1) {\n          //   if (m.b==0 && m.c==0 && m.e==0 && m.f==0) {\n          //     childTlist.removeItem(0);\n          //     const translateOrigin = svgroot.createSVGTransform(),\n          //       scale = svgroot.createSVGTransform(),\n          //       translateBack = svgroot.createSVGTransform();\n          //     translateOrigin.setTranslate(0, 0);\n          //     scale.setScale(m.a, m.d);\n          //     translateBack.setTranslate(0, 0);\n          //     childTlist.appendItem(translateBack);\n          //     childTlist.appendItem(scale);\n          //     childTlist.appendItem(translateOrigin);\n          //   }\n          // }\n\n          const angle = getRotationAngle(child);\n          oldStartTransform = context_.getStartTransform();\n          const childxforms = [];\n          context_.setStartTransform(child.getAttribute('transform'));\n          if (angle || hasMatrixTransform(childTlist)) {\n            const e2t = svgroot.createSVGTransform();\n            e2t.setMatrix(matrixMultiply(tm, sm, tmn, m));\n            childTlist.clear();\n            childTlist.appendItem(e2t);\n            childxforms.push(e2t);\n          // if not rotated or skewed, push the [T][S][-T] down to the child\n          } else {\n            // update the transform list with translate,scale,translate\n\n            // slide the [T][S][-T] from the front to the back\n            // [T][S][-T][M] = [M][T2][S2][-T2]\n\n            // (only bringing [-T] to the right of [M])\n            // [T][S][-T][M] = [T][S][M][-T2]\n            // [-T2] = [M_inv][-T][M]\n            const t2n = matrixMultiply(m.inverse(), tmn, m);\n            // [T2] is always negative translation of [-T2]\n            const t2 = svgroot.createSVGMatrix();\n            t2.e = -t2n.e;\n            t2.f = -t2n.f;\n\n            // [T][S][-T][M] = [M][T2][S2][-T2]\n            // [S2] = [T2_inv][M_inv][T][S][-T][M][-T2_inv]\n            const s2 = matrixMultiply(t2.inverse(), m.inverse(), tm, sm, tmn, m, t2n.inverse());\n\n            const translateOrigin = svgroot.createSVGTransform(),\n              scale = svgroot.createSVGTransform(),\n              translateBack = svgroot.createSVGTransform();\n            translateOrigin.setTranslate(t2n.e, t2n.f);\n            scale.setScale(s2.a, s2.d);\n            translateBack.setTranslate(t2.e, t2.f);\n            childTlist.appendItem(translateBack);\n            childTlist.appendItem(scale);\n            childTlist.appendItem(translateOrigin);\n            childxforms.push(translateBack);\n            childxforms.push(scale);\n            childxforms.push(translateOrigin);\n            // logMatrix(translateBack.matrix);\n            // logMatrix(scale.matrix);\n          } // not rotated\n          batchCmd.addSubCommand(recalculateDimensions(child));\n          // TODO: If any <use> have this group as a parent and are\n          // referencing this child, then we need to impose a reverse\n          // scale on it so that when it won't get double-translated\n          // const uses = selected.getElementsByTagNameNS(NS.SVG, 'use');\n          // const href = '#' + child.id;\n          // let u = uses.length;\n          // while (u--) {\n          //   const useElem = uses.item(u);\n          //   if (href == getHref(useElem)) {\n          //     const usexlate = svgroot.createSVGTransform();\n          //     usexlate.setTranslate(-tx,-ty);\n          //     getTransformList(useElem).insertItemBefore(usexlate,0);\n          //     batchCmd.addSubCommand( recalculateDimensions(useElem) );\n          //   }\n          // }\n          context_.setStartTransform(oldStartTransform);\n        } // element\n      } // for each child\n      // Remove these transforms from group\n      tlist.removeItem(N - 1);\n      tlist.removeItem(N - 2);\n      tlist.removeItem(N - 3);\n    } else if (N >= 3 && tlist.getItem(N - 1).type === 1) {\n      operation = 3; // scale\n      const m = transformListToTransform(tlist).matrix;\n      const e2t = svgroot.createSVGTransform();\n      e2t.setMatrix(m);\n      tlist.clear();\n      tlist.appendItem(e2t);\n    // next, check if the first transform was a translate\n    // if we had [ T1 ] [ M ] we want to transform this into [ M ] [ T2 ]\n    // therefore [ T2 ] = [ M_inv ] [ T1 ] [ M ]\n    } else if ((N === 1 || (N > 1 && tlist.getItem(1).type !== 3)) &&\n      tlist.getItem(0).type === 2) {\n      operation = 2; // translate\n      const T_M = transformListToTransform(tlist).matrix;\n      tlist.removeItem(0);\n      const mInv = transformListToTransform(tlist).matrix.inverse();\n      const M2 = matrixMultiply(mInv, T_M);\n\n      tx = M2.e;\n      ty = M2.f;\n\n      if (tx !== 0 || ty !== 0) {\n        // we pass the translates down to the individual children\n        const children = selected.childNodes;\n        let c = children.length;\n\n        const clipPathsDone = [];\n        while (c--) {\n          const child = children.item(c);\n          if (child.nodeType === 1) {\n            // Check if child has clip-path\n            if (child.getAttribute('clip-path')) {\n              // tx, ty\n              const attr = child.getAttribute('clip-path');\n              if (!clipPathsDone.includes(attr)) {\n                updateClipPath(attr, tx, ty);\n                clipPathsDone.push(attr);\n              }\n            }\n\n            oldStartTransform = context_.getStartTransform();\n            context_.setStartTransform(child.getAttribute('transform'));\n\n            const childTlist = getTransformList(child);\n            // some children might not have a transform (<metadata>, <defs>, etc)\n            if (childTlist) {\n              const newxlate = svgroot.createSVGTransform();\n              newxlate.setTranslate(tx, ty);\n              if (childTlist.numberOfItems) {\n                childTlist.insertItemBefore(newxlate, 0);\n              } else {\n                childTlist.appendItem(newxlate);\n              }\n              batchCmd.addSubCommand(recalculateDimensions(child));\n              // If any <use> have this group as a parent and are\n              // referencing this child, then impose a reverse translate on it\n              // so that when it won't get double-translated\n              const uses = selected.getElementsByTagNameNS(NS.SVG, 'use');\n              const href = '#' + child.id;\n              let u = uses.length;\n              while (u--) {\n                const useElem = uses.item(u);\n                if (href === getHref(useElem)) {\n                  const usexlate = svgroot.createSVGTransform();\n                  usexlate.setTranslate(-tx, -ty);\n                  getTransformList(useElem).insertItemBefore(usexlate, 0);\n                  batchCmd.addSubCommand(recalculateDimensions(useElem));\n                }\n              }\n              context_.setStartTransform(oldStartTransform);\n            }\n          }\n        }\n        context_.setStartTransform(oldStartTransform);\n      }\n    // else, a matrix imposition from a parent group\n    // keep pushing it down to the children\n    } else if (N === 1 && tlist.getItem(0).type === 1 && !gangle) {\n      operation = 1;\n      const m = tlist.getItem(0).matrix,\n        children = selected.childNodes;\n      let c = children.length;\n      while (c--) {\n        const child = children.item(c);\n        if (child.nodeType === 1) {\n          oldStartTransform = context_.getStartTransform();\n          context_.setStartTransform(child.getAttribute('transform'));\n          const childTlist = getTransformList(child);\n\n          if (!childTlist) { continue; }\n\n          const em = matrixMultiply(m, transformListToTransform(childTlist).matrix);\n          const e2m = svgroot.createSVGTransform();\n          e2m.setMatrix(em);\n          childTlist.clear();\n          childTlist.appendItem(e2m, 0);\n\n          batchCmd.addSubCommand(recalculateDimensions(child));\n          context_.setStartTransform(oldStartTransform);\n\n          // Convert stroke\n          // TODO: Find out if this should actually happen somewhere else\n          const sw = child.getAttribute('stroke-width');\n          if (child.getAttribute('stroke') !== 'none' && !isNaN(sw)) {\n            const avg = (Math.abs(em.a) + Math.abs(em.d)) / 2;\n            child.setAttribute('stroke-width', sw * avg);\n          }\n        }\n      }\n      tlist.clear();\n    // else it was just a rotate\n    } else {\n      if (gangle) {\n        const newRot = svgroot.createSVGTransform();\n        newRot.setRotate(gangle, newcenter.x, newcenter.y);\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(newRot, 0);\n        } else {\n          tlist.appendItem(newRot);\n        }\n      }\n      if (tlist.numberOfItems === 0) {\n        selected.removeAttribute('transform');\n      }\n      return null;\n    }\n\n    // if it was a translate, put back the rotate at the new center\n    if (operation === 2) {\n      if (gangle) {\n        newcenter = {\n          x: oldcenter.x + firstM.e,\n          y: oldcenter.y + firstM.f\n        };\n\n        const newRot = svgroot.createSVGTransform();\n        newRot.setRotate(gangle, newcenter.x, newcenter.y);\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(newRot, 0);\n        } else {\n          tlist.appendItem(newRot);\n        }\n      }\n    // if it was a resize\n    } else if (operation === 3) {\n      const m = transformListToTransform(tlist).matrix;\n      const roldt = svgroot.createSVGTransform();\n      roldt.setRotate(gangle, oldcenter.x, oldcenter.y);\n      const rold = roldt.matrix;\n      const rnew = svgroot.createSVGTransform();\n      rnew.setRotate(gangle, newcenter.x, newcenter.y);\n      const rnewInv = rnew.matrix.inverse(),\n        mInv = m.inverse(),\n        extrat = matrixMultiply(mInv, rnewInv, rold, m);\n\n      tx = extrat.e;\n      ty = extrat.f;\n\n      if (tx !== 0 || ty !== 0) {\n        // now push this transform down to the children\n        // we pass the translates down to the individual children\n        const children = selected.childNodes;\n        let c = children.length;\n        while (c--) {\n          const child = children.item(c);\n          if (child.nodeType === 1) {\n            oldStartTransform = context_.getStartTransform();\n            context_.setStartTransform(child.getAttribute('transform'));\n            const childTlist = getTransformList(child);\n            const newxlate = svgroot.createSVGTransform();\n            newxlate.setTranslate(tx, ty);\n            if (childTlist.numberOfItems) {\n              childTlist.insertItemBefore(newxlate, 0);\n            } else {\n              childTlist.appendItem(newxlate);\n            }\n\n            batchCmd.addSubCommand(recalculateDimensions(child));\n            context_.setStartTransform(oldStartTransform);\n          }\n        }\n      }\n\n      if (gangle) {\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(rnew, 0);\n        } else {\n          tlist.appendItem(rnew);\n        }\n      }\n    }\n  // else, it's a non-group\n  } else {\n    // FIXME: box might be null for some elements (<metadata> etc), need to handle this\n    const box = getBBox(selected);\n\n    // Paths (and possbly other shapes) will have no BBox while still in <defs>,\n    // but we still may need to recalculate them (see issue 595).\n    // TODO: Figure out how to get BBox from these elements in case they\n    // have a rotation transform\n\n    if (!box && selected.tagName !== 'path') return null;\n\n    let m; // = svgroot.createSVGMatrix();\n    // temporarily strip off the rotate and save the old center\n    const angle = getRotationAngle(selected);\n    if (angle) {\n      oldcenter = {x: box.x + box.width / 2, y: box.y + box.height / 2};\n      newcenter = transformPoint(\n        box.x + box.width / 2,\n        box.y + box.height / 2,\n        transformListToTransform(tlist).matrix\n      );\n\n      const a = angle * Math.PI / 180;\n      const s = (Math.abs(a) > (1.0e-10))\n        ? Math.sin(a) / (1 - Math.cos(a))\n        // FIXME: This blows up if the angle is exactly 0!\n        : 2 / a;\n\n      for (let i = 0; i < tlist.numberOfItems; ++i) {\n        const xform = tlist.getItem(i);\n        if (xform.type === 4) {\n          // extract old center through mystical arts\n          const rm = xform.matrix;\n          oldcenter.y = (s * rm.e + rm.f) / 2;\n          oldcenter.x = (rm.e - s * rm.f) / 2;\n          tlist.removeItem(i);\n          break;\n        }\n      }\n    }\n\n    // 2 = translate, 3 = scale, 4 = rotate, 1 = matrix imposition\n    let operation = 0;\n    const N = tlist.numberOfItems;\n\n    // Check if it has a gradient with userSpaceOnUse, in which case\n    // adjust it by recalculating the matrix transform.\n    // TODO: Make this work in Webkit using transformlist.SVGTransformList\n    if (!isWebkit()) {\n      const fill = selected.getAttribute('fill');\n      if (fill && fill.startsWith('url(')) {\n        const paint = getRefElem(fill);\n        let type = 'pattern';\n        if (paint.tagName !== type) type = 'gradient';\n        const attrVal = paint.getAttribute(type + 'Units');\n        if (attrVal === 'userSpaceOnUse') {\n          // Update the userSpaceOnUse element\n          m = transformListToTransform(tlist).matrix;\n          const gtlist = getTransformList(paint);\n          const gmatrix = transformListToTransform(gtlist).matrix;\n          m = matrixMultiply(m, gmatrix);\n          const mStr = 'matrix(' + [m.a, m.b, m.c, m.d, m.e, m.f].join(',') + ')';\n          paint.setAttribute(type + 'Transform', mStr);\n        }\n      }\n    }\n\n    // first, if it was a scale of a non-skewed element, then the second-last\n    // transform will be the [S]\n    // if we had [M][T][S][T] we want to extract the matrix equivalent of\n    // [T][S][T] and push it down to the element\n    if (N >= 3 && tlist.getItem(N - 2).type === 3 &&\n      tlist.getItem(N - 3).type === 2 && tlist.getItem(N - 1).type === 2) {\n      // Removed this so a <use> with a given [T][S][T] would convert to a matrix.\n      // Is that bad?\n      //  && selected.nodeName != 'use'\n      operation = 3; // scale\n      m = transformListToTransform(tlist, N - 3, N - 1).matrix;\n      tlist.removeItem(N - 1);\n      tlist.removeItem(N - 2);\n      tlist.removeItem(N - 3);\n    // if we had [T][S][-T][M], then this was a skewed element being resized\n    // Thus, we simply combine it all into one matrix\n    } else if (N === 4 && tlist.getItem(N - 1).type === 1) {\n      operation = 3; // scale\n      m = transformListToTransform(tlist).matrix;\n      const e2t = svgroot.createSVGTransform();\n      e2t.setMatrix(m);\n      tlist.clear();\n      tlist.appendItem(e2t);\n      // reset the matrix so that the element is not re-mapped\n      m = svgroot.createSVGMatrix();\n    // if we had [R][T][S][-T][M], then this was a rotated matrix-element\n    // if we had [T1][M] we want to transform this into [M][T2]\n    // therefore [ T2 ] = [ M_inv ] [ T1 ] [ M ] and we can push [T2]\n    // down to the element\n    } else if ((N === 1 || (N > 1 && tlist.getItem(1).type !== 3)) &&\n      tlist.getItem(0).type === 2) {\n      operation = 2; // translate\n      const oldxlate = tlist.getItem(0).matrix,\n        meq = transformListToTransform(tlist, 1).matrix,\n        meqInv = meq.inverse();\n      m = matrixMultiply(meqInv, oldxlate, meq);\n      tlist.removeItem(0);\n    // else if this child now has a matrix imposition (from a parent group)\n    // we might be able to simplify\n    } else if (N === 1 && tlist.getItem(0).type === 1 && !angle) {\n      // Remap all point-based elements\n      m = transformListToTransform(tlist).matrix;\n      switch (selected.tagName) {\n      case 'line':\n        changes = $(selected).attr(['x1', 'y1', 'x2', 'y2']);\n        // Fallthrough\n      case 'polyline':\n      case 'polygon':\n        changes.points = selected.getAttribute('points');\n        if (changes.points) {\n          const list = selected.points;\n          const len = list.numberOfItems;\n          changes.points = new Array(len);\n          for (let i = 0; i < len; ++i) {\n            const pt = list.getItem(i);\n            changes.points[i] = {x: pt.x, y: pt.y};\n          }\n        }\n        // Fallthrough\n      case 'path':\n        changes.d = selected.getAttribute('d');\n        operation = 1;\n        tlist.clear();\n        break;\n      default:\n        break;\n      }\n    // if it was a rotation, put the rotate back and return without a command\n    // (this function has zero work to do for a rotate())\n    } else {\n      // operation = 4; // rotation\n      if (angle) {\n        const newRot = svgroot.createSVGTransform();\n        newRot.setRotate(angle, newcenter.x, newcenter.y);\n\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(newRot, 0);\n        } else {\n          tlist.appendItem(newRot);\n        }\n      }\n      if (tlist.numberOfItems === 0) {\n        selected.removeAttribute('transform');\n      }\n      return null;\n    }\n\n    // if it was a translate or resize, we need to remap the element and absorb the xform\n    if (operation === 1 || operation === 2 || operation === 3) {\n      remapElement(selected, changes, m);\n    } // if we are remapping\n\n    // if it was a translate, put back the rotate at the new center\n    if (operation === 2) {\n      if (angle) {\n        if (!hasMatrixTransform(tlist)) {\n          newcenter = {\n            x: oldcenter.x + m.e,\n            y: oldcenter.y + m.f\n          };\n        }\n        const newRot = svgroot.createSVGTransform();\n        newRot.setRotate(angle, newcenter.x, newcenter.y);\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(newRot, 0);\n        } else {\n          tlist.appendItem(newRot);\n        }\n      }\n      // We have special processing for tspans:  Tspans are not transformable\n      // but they can have x,y coordinates (sigh).  Thus, if this was a translate,\n      // on a text element, also translate any tspan children.\n      if (selected.tagName === 'text') {\n        const children = selected.childNodes;\n        let c = children.length;\n        while (c--) {\n          const child = children.item(c);\n          if (child.tagName === 'tspan') {\n            const tspanChanges = {\n              x: $(child).attr('x') || 0,\n              y: $(child).attr('y') || 0\n            };\n            remapElement(child, tspanChanges, m);\n          }\n        }\n      }\n    // [Rold][M][T][S][-T] became [Rold][M]\n    // we want it to be [Rnew][M][Tr] where Tr is the\n    // translation required to re-center it\n    // Therefore, [Tr] = [M_inv][Rnew_inv][Rold][M]\n    } else if (operation === 3 && angle) {\n      const m = transformListToTransform(tlist).matrix;\n      const roldt = svgroot.createSVGTransform();\n      roldt.setRotate(angle, oldcenter.x, oldcenter.y);\n      const rold = roldt.matrix;\n      const rnew = svgroot.createSVGTransform();\n      rnew.setRotate(angle, newcenter.x, newcenter.y);\n      const rnewInv = rnew.matrix.inverse();\n      const mInv = m.inverse();\n      const extrat = matrixMultiply(mInv, rnewInv, rold, m);\n\n      remapElement(selected, changes, extrat);\n      if (angle) {\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(rnew, 0);\n        } else {\n          tlist.appendItem(rnew);\n        }\n      }\n    }\n  } // a non-group\n\n  // if the transform list has been emptied, remove it\n  if (tlist.numberOfItems === 0) {\n    selected.removeAttribute('transform');\n  }\n\n  batchCmd.addSubCommand(new ChangeElementCommand(selected, initial));\n\n  return batchCmd;\n};\n","/* globals jQuery */\n/**\n * DOM element selection box tools\n * @module select\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport {isTouch, isWebkit} from './browser.js'; // , isOpera\nimport {getRotationAngle, getBBox, getStrokedBBox} from './utilities.js';\nimport {transformListToTransform, transformBox, transformPoint} from './math.js';\nimport {getTransformList} from './svgtransformlist.js';\n\nconst $ = jQuery;\n\nlet svgFactory_;\nlet config_;\nlet selectorManager_; // A Singleton\nconst gripRadius = isTouch() ? 10 : 4;\n\n/**\n* Private class for DOM element selection boxes\n*/\nexport class Selector {\n  /**\n  * @param {Integer} id - Internally identify the selector\n  * @param {Element} elem - DOM element associated with this selector\n  * @param {module:utilities.BBoxObject} [bbox] - Optional bbox to use for initialization (prevents duplicate `getBBox` call).\n  */\n  constructor (id, elem, bbox) {\n    // this is the selector's unique number\n    this.id = id;\n\n    // this holds a reference to the element for which this selector is being used\n    this.selectedElement = elem;\n\n    // this is a flag used internally to track whether the selector is being used or not\n    this.locked = true;\n\n    // this holds a reference to the <g> element that holds all visual elements of the selector\n    this.selectorGroup = svgFactory_.createSVGElement({\n      element: 'g',\n      attr: {id: ('selectorGroup' + this.id)}\n    });\n\n    // this holds a reference to the path rect\n    this.selectorRect = this.selectorGroup.appendChild(\n      svgFactory_.createSVGElement({\n        element: 'path',\n        attr: {\n          id: ('selectedBox' + this.id),\n          fill: 'none',\n          stroke: '#22C',\n          'stroke-width': '1',\n          'stroke-dasharray': '5,5',\n          // need to specify this so that the rect is not selectable\n          style: 'pointer-events:none'\n        }\n      })\n    );\n\n    // this holds a reference to the grip coordinates for this selector\n    this.gripCoords = {\n      nw: null,\n      n: null,\n      ne: null,\n      e: null,\n      se: null,\n      s: null,\n      sw: null,\n      w: null\n    };\n\n    this.reset(this.selectedElement, bbox);\n  }\n\n  /**\n  * Used to reset the id and element that the selector is attached to\n  * @param {Element} e - DOM element associated with this selector\n  * @param {module:utilities.BBoxObject} bbox - Optional bbox to use for reset (prevents duplicate getBBox call).\n  */\n  reset (e, bbox) {\n    this.locked = true;\n    this.selectedElement = e;\n    this.resize(bbox);\n    this.selectorGroup.setAttribute('display', 'inline');\n  }\n\n  /**\n  * Updates cursors for corner grips on rotation so arrows point the right way\n  * @param {Float} angle - Current rotation angle in degrees\n  */\n  updateGripCursors (angle) {\n    let dir;\n    const dirArr = [];\n    let steps = Math.round(angle / 45);\n    if (steps < 0) { steps += 8; }\n    for (dir in selectorManager_.selectorGrips) {\n      dirArr.push(dir);\n    }\n    while (steps > 0) {\n      dirArr.push(dirArr.shift());\n      steps--;\n    }\n    let i = 0;\n    for (dir in selectorManager_.selectorGrips) {\n      selectorManager_.selectorGrips[dir].setAttribute('style', ('cursor:' + dirArr[i] + '-resize'));\n      i++;\n    }\n  }\n\n  /**\n  * Show the resize grips of this selector\n  *\n  * @param {boolean} show - Indicates whether grips should be shown or not\n  */\n  showGrips (show) {\n    const bShow = show ? 'inline' : 'none';\n    selectorManager_.selectorGripsGroup.setAttribute('display', bShow);\n    const elem = this.selectedElement;\n    this.hasGrips = show;\n    if (elem && show) {\n      this.selectorGroup.append(selectorManager_.selectorGripsGroup);\n      this.updateGripCursors(getRotationAngle(elem));\n    }\n  }\n\n  /**\n  * Updates the selector to match the element's size\n  * @param {module:utilities.BBoxObject} [bbox] - BBox to use for resize (prevents duplicate getBBox call).\n  */\n  resize (bbox) {\n    const selectedBox = this.selectorRect,\n      mgr = selectorManager_,\n      selectedGrips = mgr.selectorGrips,\n      selected = this.selectedElement,\n      sw = selected.getAttribute('stroke-width'),\n      currentZoom = svgFactory_.getCurrentZoom();\n    let offset = 1 / currentZoom;\n    if (selected.getAttribute('stroke') !== 'none' && !isNaN(sw)) {\n      offset += (sw / 2);\n    }\n\n    const {tagName} = selected;\n    if (tagName === 'text') {\n      offset += 2 / currentZoom;\n    }\n\n    // loop and transform our bounding box until we reach our first rotation\n    const tlist = getTransformList(selected);\n    const m = transformListToTransform(tlist).matrix;\n\n    // This should probably be handled somewhere else, but for now\n    // it keeps the selection box correctly positioned when zoomed\n    m.e *= currentZoom;\n    m.f *= currentZoom;\n\n    if (!bbox) {\n      bbox = getBBox(selected);\n    }\n    // TODO: getBBox (previous line) already knows to call getStrokedBBox when tagName === 'g'. Remove this?\n    // TODO: getBBox doesn't exclude 'gsvg' and calls getStrokedBBox for any 'g'. Should getBBox be updated?\n    if (tagName === 'g' && !$.data(selected, 'gsvg')) {\n      // The bbox for a group does not include stroke vals, so we\n      // get the bbox based on its children.\n      const strokedBbox = getStrokedBBox([selected.childNodes]);\n      if (strokedBbox) {\n        bbox = strokedBbox;\n      }\n    }\n\n    // apply the transforms\n    const l = bbox.x, t = bbox.y, w = bbox.width, h = bbox.height;\n    // bbox = {x: l, y: t, width: w, height: h}; // Not in use\n\n    // we need to handle temporary transforms too\n    // if skewed, get its transformed box, then find its axis-aligned bbox\n\n    // *\n    offset *= currentZoom;\n\n    const nbox = transformBox(l * currentZoom, t * currentZoom, w * currentZoom, h * currentZoom, m),\n      {aabox} = nbox;\n    let nbax = aabox.x - offset,\n      nbay = aabox.y - offset,\n      nbaw = aabox.width + (offset * 2),\n      nbah = aabox.height + (offset * 2);\n\n    // now if the shape is rotated, un-rotate it\n    const cx = nbax + nbaw / 2,\n      cy = nbay + nbah / 2;\n\n    const angle = getRotationAngle(selected);\n    if (angle) {\n      const rot = svgFactory_.svgRoot().createSVGTransform();\n      rot.setRotate(-angle, cx, cy);\n      const rotm = rot.matrix;\n      nbox.tl = transformPoint(nbox.tl.x, nbox.tl.y, rotm);\n      nbox.tr = transformPoint(nbox.tr.x, nbox.tr.y, rotm);\n      nbox.bl = transformPoint(nbox.bl.x, nbox.bl.y, rotm);\n      nbox.br = transformPoint(nbox.br.x, nbox.br.y, rotm);\n\n      // calculate the axis-aligned bbox\n      const {tl} = nbox;\n      let minx = tl.x,\n        miny = tl.y,\n        maxx = tl.x,\n        maxy = tl.y;\n\n      const {min, max} = Math;\n\n      minx = min(minx, min(nbox.tr.x, min(nbox.bl.x, nbox.br.x))) - offset;\n      miny = min(miny, min(nbox.tr.y, min(nbox.bl.y, nbox.br.y))) - offset;\n      maxx = max(maxx, max(nbox.tr.x, max(nbox.bl.x, nbox.br.x))) + offset;\n      maxy = max(maxy, max(nbox.tr.y, max(nbox.bl.y, nbox.br.y))) + offset;\n\n      nbax = minx;\n      nbay = miny;\n      nbaw = (maxx - minx);\n      nbah = (maxy - miny);\n    }\n\n    const dstr = 'M' + nbax + ',' + nbay +\n      ' L' + (nbax + nbaw) + ',' + nbay +\n      ' ' + (nbax + nbaw) + ',' + (nbay + nbah) +\n      ' ' + nbax + ',' + (nbay + nbah) + 'z';\n    selectedBox.setAttribute('d', dstr);\n\n    const xform = angle ? 'rotate(' + [angle, cx, cy].join(',') + ')' : '';\n    this.selectorGroup.setAttribute('transform', xform);\n\n    // TODO(codedread): Is this needed?\n    //  if (selected === selectedElements[0]) {\n    this.gripCoords = {\n      nw: [nbax, nbay],\n      ne: [nbax + nbaw, nbay],\n      sw: [nbax, nbay + nbah],\n      se: [nbax + nbaw, nbay + nbah],\n      n: [nbax + (nbaw) / 2, nbay],\n      w: [nbax, nbay + (nbah) / 2],\n      e: [nbax + nbaw, nbay + (nbah) / 2],\n      s: [nbax + (nbaw) / 2, nbay + nbah]\n    };\n    for (const dir in this.gripCoords) {\n      const coords = this.gripCoords[dir];\n      selectedGrips[dir].setAttribute('cx', coords[0]);\n      selectedGrips[dir].setAttribute('cy', coords[1]);\n    }\n\n    // we want to go 20 pixels in the negative transformed y direction, ignoring scale\n    mgr.rotateGripConnector.setAttribute('x1', nbax + (nbaw) / 2);\n    mgr.rotateGripConnector.setAttribute('y1', nbay);\n    mgr.rotateGripConnector.setAttribute('x2', nbax + (nbaw) / 2);\n    mgr.rotateGripConnector.setAttribute('y2', nbay - (gripRadius * 5));\n\n    mgr.rotateGrip.setAttribute('cx', nbax + (nbaw) / 2);\n    mgr.rotateGrip.setAttribute('cy', nbay - (gripRadius * 5));\n    // }\n  }\n}\n\n/**\n* Manage all selector objects (selection boxes)\n*/\nexport class SelectorManager {\n  constructor () {\n    // this will hold the <g> element that contains all selector rects/grips\n    this.selectorParentGroup = null;\n\n    // this is a special rect that is used for multi-select\n    this.rubberBandBox = null;\n\n    // this will hold objects of type Selector (see above)\n    this.selectors = [];\n\n    // this holds a map of SVG elements to their Selector object\n    this.selectorMap = {};\n\n    // this holds a reference to the grip elements\n    this.selectorGrips = {\n      nw: null,\n      n: null,\n      ne: null,\n      e: null,\n      se: null,\n      s: null,\n      sw: null,\n      w: null\n    };\n\n    this.selectorGripsGroup = null;\n    this.rotateGripConnector = null;\n    this.rotateGrip = null;\n\n    this.initGroup();\n  }\n\n  /**\n  * Resets the parent selector group element\n  */\n  initGroup () {\n    // remove old selector parent group if it existed\n    if (this.selectorParentGroup && this.selectorParentGroup.parentNode) {\n      this.selectorParentGroup.remove();\n    }\n\n    // create parent selector group and add it to svgroot\n    this.selectorParentGroup = svgFactory_.createSVGElement({\n      element: 'g',\n      attr: {id: 'selectorParentGroup'}\n    });\n    this.selectorGripsGroup = svgFactory_.createSVGElement({\n      element: 'g',\n      attr: {display: 'none'}\n    });\n    this.selectorParentGroup.append(this.selectorGripsGroup);\n    svgFactory_.svgRoot().append(this.selectorParentGroup);\n\n    this.selectorMap = {};\n    this.selectors = [];\n    this.rubberBandBox = null;\n\n    // add the corner grips\n    for (const dir in this.selectorGrips) {\n      const grip = svgFactory_.createSVGElement({\n        element: 'circle',\n        attr: {\n          id: ('selectorGrip_resize_' + dir),\n          fill: '#22C',\n          r: gripRadius,\n          style: ('cursor:' + dir + '-resize'),\n          // This expands the mouse-able area of the grips making them\n          // easier to grab with the mouse.\n          // This works in Opera and WebKit, but does not work in Firefox\n          // see https://bugzilla.mozilla.org/show_bug.cgi?id=500174\n          'stroke-width': 2,\n          'pointer-events': 'all'\n        }\n      });\n\n      $.data(grip, 'dir', dir);\n      $.data(grip, 'type', 'resize');\n      this.selectorGrips[dir] = this.selectorGripsGroup.appendChild(grip);\n    }\n\n    // add rotator elems\n    this.rotateGripConnector = this.selectorGripsGroup.appendChild(\n      svgFactory_.createSVGElement({\n        element: 'line',\n        attr: {\n          id: ('selectorGrip_rotateconnector'),\n          stroke: '#22C',\n          'stroke-width': '1'\n        }\n      })\n    );\n\n    this.rotateGrip = this.selectorGripsGroup.appendChild(\n      svgFactory_.createSVGElement({\n        element: 'circle',\n        attr: {\n          id: 'selectorGrip_rotate',\n          fill: 'lime',\n          r: gripRadius,\n          stroke: '#22C',\n          'stroke-width': 2,\n          style: 'cursor:url(' + config_.imgPath + 'rotate.png) 12 12, auto;'\n        }\n      })\n    );\n    $.data(this.rotateGrip, 'type', 'rotate');\n\n    if ($('#canvasBackground').length) { return; }\n\n    const [width, height] = config_.dimensions;\n    const canvasbg = svgFactory_.createSVGElement({\n      element: 'svg',\n      attr: {\n        id: 'canvasBackground',\n        width,\n        height,\n        x: 0,\n        y: 0,\n        overflow: (isWebkit() ? 'none' : 'visible'), // Chrome 7 has a problem with this when zooming out\n        style: 'pointer-events:none'\n      }\n    });\n\n    const rect = svgFactory_.createSVGElement({\n      element: 'rect',\n      attr: {\n        width: '100%',\n        height: '100%',\n        x: 0,\n        y: 0,\n        'stroke-width': 1,\n        stroke: '#000',\n        fill: '#FFF',\n        style: 'pointer-events:none'\n      }\n    });\n\n    // Both Firefox and WebKit are too slow with this filter region (especially at higher\n    // zoom levels) and Opera has at least one bug\n    // if (!isOpera()) rect.setAttribute('filter', 'url(#canvashadow)');\n    canvasbg.append(rect);\n    svgFactory_.svgRoot().insertBefore(canvasbg, svgFactory_.svgContent());\n    // Ok to replace above with `svgFactory_.svgContent().before(canvasbg);`?\n  }\n\n  /**\n  *\n  * @param {Element} elem - DOM element to get the selector for\n  * @param {module:utilities.BBoxObject} [bbox] - Optional bbox to use for reset (prevents duplicate getBBox call).\n  * @returns {Selector} The selector based on the given element\n  */\n  requestSelector (elem, bbox) {\n    if (elem == null) { return null; }\n\n    const N = this.selectors.length;\n    // If we've already acquired one for this element, return it.\n    if (typeof this.selectorMap[elem.id] === 'object') {\n      this.selectorMap[elem.id].locked = true;\n      return this.selectorMap[elem.id];\n    }\n    for (let i = 0; i < N; ++i) {\n      if (this.selectors[i] && !this.selectors[i].locked) {\n        this.selectors[i].locked = true;\n        this.selectors[i].reset(elem, bbox);\n        this.selectorMap[elem.id] = this.selectors[i];\n        return this.selectors[i];\n      }\n    }\n    // if we reached here, no available selectors were found, we create one\n    this.selectors[N] = new Selector(N, elem, bbox);\n    this.selectorParentGroup.append(this.selectors[N].selectorGroup);\n    this.selectorMap[elem.id] = this.selectors[N];\n    return this.selectors[N];\n  }\n\n  /**\n  * Removes the selector of the given element (hides selection box)\n  *\n  * @param {Element} elem - DOM element to remove the selector for\n  */\n  releaseSelector (elem) {\n    if (elem == null) { return; }\n    const N = this.selectors.length,\n      sel = this.selectorMap[elem.id];\n    if (!sel.locked) {\n      // TODO(codedread): Ensure this exists in this module.\n      console.log('WARNING! selector was released but was already unlocked');\n    }\n    for (let i = 0; i < N; ++i) {\n      if (this.selectors[i] && this.selectors[i] === sel) {\n        delete this.selectorMap[elem.id];\n        sel.locked = false;\n        sel.selectedElement = null;\n        sel.showGrips(false);\n\n        // remove from DOM and store reference in JS but only if it exists in the DOM\n        try {\n          sel.selectorGroup.setAttribute('display', 'none');\n        } catch (e) {}\n\n        break;\n      }\n    }\n  }\n\n  /**\n  * @returns {SVGRectElement} The rubberBandBox DOM element. This is the rectangle drawn by\n  * the user for selecting/zooming\n  */\n  getRubberBandBox () {\n    if (!this.rubberBandBox) {\n      this.rubberBandBox = this.selectorParentGroup.appendChild(\n        svgFactory_.createSVGElement({\n          element: 'rect',\n          attr: {\n            id: 'selectorRubberBand',\n            fill: '#22C',\n            'fill-opacity': 0.15,\n            stroke: '#22C',\n            'stroke-width': 0.5,\n            display: 'none',\n            style: 'pointer-events:none'\n          }\n        })\n      );\n    }\n    return this.rubberBandBox;\n  }\n}\n\n/**\n * An object that creates SVG elements for the canvas.\n *\n * @interface module:select.SVGFactory\n */\n/**\n * @function module:select.SVGFactory#createSVGElement\n * @param {module:utilities.EditorContext#addSVGElementFromJson} jsonMap\n * @returns {SVGElement}\n */\n/**\n * @function module:select.SVGFactory#svgRoot\n * @returns {SVGSVGElement}\n */\n/**\n * @function module:select.SVGFactory#svgContent\n * @returns {SVGSVGElement}\n */\n/**\n * @function module:select.SVGFactory#getCurrentZoom\n * @returns {Float}\n */\n\n/**\n * @typedef {GenericArray} module:select.Dimensions\n * @property {Integer} length 2\n * @property {Float} 0 Width\n * @property {Float} 1 Height\n */\n/**\n * @typedef {PlainObject} module:select.Config\n * @property {string} imgPath\n * @property {module:select.Dimensions} dimensions\n */\n\n/**\n * Initializes this module.\n * @function module:select.init\n * @param {module:select.Config} config - An object containing configurable parameters (imgPath)\n * @param {module:select.SVGFactory} svgFactory - An object implementing the SVGFactory interface.\n * @returns {undefined}\n */\nexport const init = function (config, svgFactory) {\n  config_ = config;\n  svgFactory_ = svgFactory;\n  selectorManager_ = new SelectorManager();\n};\n\n/**\n * @function module:select.getSelectorManager\n * @returns {module:select.SelectorManager} The SelectorManager instance.\n */\nexport const getSelectorManager = () => selectorManager_;\n","/* eslint-disable indent */\n/* globals jQuery, jsPDF */\n/**\n * Numerous tools for working with the editor's \"canvas\"\n * @module svgcanvas\n *\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Pavol Rusnak, 2010 Jeff Schiller\n *\n */\n\n/* Dependencies:\n1. Also expects jQuery UI for `svgCanvasToString` and\n`convertToGroup` use of `:data()` selector\n*/\n\n// Todo: Obtain/adapt latest jsPDF to utilize ES Module for `jsPDF`/avoid global\n\nimport './svgpathseg.js';\nimport jqPluginSVG from './jQuery.attr.js'; // Needed for SVG attribute setting and array form with `attr`\n\nimport * as draw from './draw.js';\nimport * as pathModule from './path.js';\nimport {sanitizeSvg} from './sanitize.js';\nimport {getReverseNS, NS} from './namespaces.js';\nimport {importSetGlobal, importScript} from './external/dynamic-import-polyfill/importModule.js';\nimport {\n  text2xml, assignAttributes, cleanupElement, getElem, getUrlFromAttr,\n  findDefs, getHref, setHref, getRefElem, getRotationAngle, getPathBBox,\n  preventClickDefault, snapToGrid, walkTree, walkTreePost,\n  getBBoxOfElementAsPath, convertToPath, toXml, encode64, decode64,\n  dataURLToObjectURL, createObjectURL,\n  getVisibleElements, dropXMLInteralSubset,\n  init as utilsInit, getBBox as utilsGetBBox, getStrokedBBoxDefaultVisible\n} from './utilities.js';\nimport * as history from './history.js';\nimport {\n  transformPoint, matrixMultiply, hasMatrixTransform, transformListToTransform,\n  getMatrix, snapToAngle, isIdentity, rectsIntersect, transformBox\n} from './math.js';\nimport {\n  convertToNum, convertAttrs, convertUnit, shortFloat, getTypeMap,\n  init as unitsInit\n} from './units.js';\nimport {\n  isGecko, isChrome, isIE, isWebkit, supportsNonScalingStroke, supportsGoodTextCharPos\n} from './browser.js'; // , supportsEditableText\nimport {\n  getTransformList, resetListMap,\n  SVGTransformList as SVGEditTransformList\n} from './svgtransformlist.js';\nimport {\n  remapElement,\n  init as coordsInit\n} from './coords.js';\nimport {\n  recalculateDimensions,\n  init as recalculateInit\n} from './recalculate.js';\nimport {\n  getSelectorManager,\n  init as selectInit\n} from './select.js';\n\nconst $ = jqPluginSVG(jQuery);\nconst {\n  MoveElementCommand, InsertElementCommand, RemoveElementCommand,\n  ChangeElementCommand, BatchCommand, UndoManager, HistoryEventTypes\n} = history;\n\nif (!window.console) {\n  window.console = {};\n  window.console.log = function (str) {};\n  window.console.dir = function (str) {};\n}\n\nif (window.opera) {\n  window.console.log = function (str) { window.opera.postError(str); };\n  window.console.dir = function (str) {};\n}\n\n/**\n* The main SvgCanvas class that manages all SVG-related functions\n* @memberof module:svgcanvas\n*\n* @borrows module:coords.remapElement as #remapElement\n* @borrows module:recalculate.recalculateDimensions as #recalculateDimensions\n*\n* @borrows module:utilities.cleanupElement as #cleanupElement\n* @borrows module:utilities.getStrokedBBoxDefaultVisible as #getStrokedBBox\n* @borrows module:utilities.getVisibleElements as #getVisibleElements\n* @borrows module:utilities.findDefs as #findDefs\n* @borrows module:utilities.getUrlFromAttr as #getUrlFromAttr\n* @borrows module:utilities.getHref as #getHref\n* @borrows module:utilities.setHref as #setHref\n* @borrows module:utilities.getRotationAngle as #getRotationAngle\n* @borrows module:utilities.getBBox as #getBBox\n* @borrows module:utilities.getElem as #getElem\n* @borrows module:utilities.getRefElem as #getRefElem\n* @borrows module:utilities.assignAttributes as #assignAttributes\n*\n* @borrows module:SVGTransformList.getTransformList as #getTransformList\n* @borrows module:math.matrixMultiply as #matrixMultiply\n* @borrows module:math.hasMatrixTransform as #hasMatrixTransform\n* @borrows module:math.transformListToTransform as #transformListToTransform\n* @borrows module:units.convertToNum as #convertToNum\n* @borrows module:sanitize.sanitizeSvg as #sanitizeSvg\n* @borrows module:path.pathActions.linkControlPoints as #linkControlPoints\n*/\nclass SvgCanvas {\n  /**\n  * @param {HTMLElement} container - The container HTML element that should hold the SVG root element\n  * @param {module:SVGEditor.curConfig} config - An object that contains configuration data\n  */\n  constructor (container, config) {\n// Alias Namespace constants\n\n// Default configuration options\nconst curConfig = {\n  show_outside_canvas: true,\n  selectNew: true,\n  dimensions: [640, 480]\n};\n\n// Update config with new one if given\nif (config) {\n  $.extend(curConfig, config);\n}\n\n// Array with width/height of canvas\nconst {dimensions} = curConfig;\n\nconst canvas = this;\n\n// \"document\" element associated with the container (same as window.document using default svg-editor.js)\n// NOTE: This is not actually a SVG document, but an HTML document.\nconst svgdoc = container.ownerDocument;\n\n// This is a container for the document being edited, not the document itself.\n/**\n * @name module:svgcanvas~svgroot\n * @type {SVGSVGElement}\n */\nconst svgroot = svgdoc.importNode(\n  text2xml(\n    '<svg id=\"svgroot\" xmlns=\"' + NS.SVG + '\" xlinkns=\"' + NS.XLINK + '\" ' +\n      'width=\"' + dimensions[0] + '\" height=\"' + dimensions[1] + '\" x=\"' + dimensions[0] + '\" y=\"' + dimensions[1] + '\" overflow=\"visible\">' +\n      '<defs>' +\n        '<filter id=\"canvashadow\" filterUnits=\"objectBoundingBox\">' +\n          '<feGaussianBlur in=\"SourceAlpha\" stdDeviation=\"4\" result=\"blur\"/>' +\n          '<feOffset in=\"blur\" dx=\"5\" dy=\"5\" result=\"offsetBlur\"/>' +\n          '<feMerge>' +\n            '<feMergeNode in=\"offsetBlur\"/>' +\n            '<feMergeNode in=\"SourceGraphic\"/>' +\n          '</feMerge>' +\n        '</filter>' +\n      '</defs>' +\n    '</svg>'\n  ).documentElement,\n  true\n);\ncontainer.append(svgroot);\n\n/**\n * The actual element that represents the final output SVG element\n * @name module:svgcanvas~svgcontent\n * @type {SVGSVGElement}\n */\nlet svgcontent = svgdoc.createElementNS(NS.SVG, 'svg');\n\n/**\n* This function resets the svgcontent element while keeping it in the DOM.\n* @function module:svgcanvas.SvgCanvas#clearSvgContentElement\n* @returns {undefined}\n*/\nconst clearSvgContentElement = canvas.clearSvgContentElement = function () {\n  $(svgcontent).empty();\n\n  // TODO: Clear out all other attributes first?\n  $(svgcontent).attr({\n    id: 'svgcontent',\n    width: dimensions[0],\n    height: dimensions[1],\n    x: dimensions[0],\n    y: dimensions[1],\n    overflow: curConfig.show_outside_canvas ? 'visible' : 'hidden',\n    xmlns: NS.SVG,\n    'xmlns:se': NS.SE,\n    'xmlns:xlink': NS.XLINK\n  }).appendTo(svgroot);\n\n  // TODO: make this string optional and set by the client\n  const comment = svgdoc.createComment(' Created with SVG-edit - https://github.com/SVG-Edit/svgedit');\n  svgcontent.append(comment);\n};\nclearSvgContentElement();\n\n// Prefix string for element IDs\nlet idprefix = 'svg_';\n\n/**\n* Changes the ID prefix to the given value\n* @function module:svgcanvas.SvgCanvas#setIdPrefix\n* @param {string} p - String with the new prefix\n* @returns {undefined}\n*/\ncanvas.setIdPrefix = function (p) {\n  idprefix = p;\n};\n\n/**\n* Current draw.Drawing object\n* @type {module:draw.Drawing}\n* @name module:svgcanvas.SvgCanvas#current_drawing_\n*/\ncanvas.current_drawing_ = new draw.Drawing(svgcontent, idprefix);\n\n/**\n* Returns the current Drawing.\n* @function module:svgcanvas.SvgCanvas#getCurrentDrawing\n* @implements {module:draw.DrawCanvasInit#getCurrentDrawing}\n*/\nconst getCurrentDrawing = canvas.getCurrentDrawing = function () {\n  return canvas.current_drawing_;\n};\n\n/**\n* Float displaying the current zoom level (1 = 100%, .5 = 50%, etc)\n* @type {Float}\n*/\nlet currentZoom = 1;\n\n// pointer to current group (for in-group editing)\nlet currentGroup = null;\n\n// Object containing data for the currently selected styles\nconst allProperties = {\n  shape: {\n    fill: (curConfig.initFill.color === 'none' ? '' : '#') + curConfig.initFill.color,\n    fill_paint: null,\n    fill_opacity: curConfig.initFill.opacity,\n    stroke: '#' + curConfig.initStroke.color,\n    stroke_paint: null,\n    stroke_opacity: curConfig.initStroke.opacity,\n    stroke_width: curConfig.initStroke.width,\n    stroke_dasharray: 'none',\n    stroke_linejoin: 'miter',\n    stroke_linecap: 'butt',\n    opacity: curConfig.initOpacity\n  }\n};\n\nallProperties.text = $.extend(true, {}, allProperties.shape);\n$.extend(allProperties.text, {\n  fill: '#000000',\n  stroke_width: curConfig.text && curConfig.text.stroke_width,\n  font_size: curConfig.text && curConfig.text.font_size,\n  font_family: curConfig.text && curConfig.text.font_family\n});\n\n// Current shape style properties\nconst curShape = allProperties.shape;\n\n// Array with all the currently selected elements\n// default size of 1 until it needs to grow bigger\nlet selectedElements = [];\n\n/**\n* @typedef {PlainObject} module:svgcanvas.SVGAsJSON\n* @property {string} element\n* @property {PlainObject.<string, string>} attr\n* @property {module:svgcanvas.SVGAsJSON[]} children\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getContentElem\n* @param {Text|Element} data\n* @returns {module:svgcanvas.SVGAsJSON}\n*/\nconst getJsonFromSvgElement = this.getJsonFromSvgElement = function (data) {\n  // Text node\n  if (data.nodeType === 3) return data.nodeValue;\n\n  const retval = {\n    element: data.tagName,\n    // namespace: nsMap[data.namespaceURI],\n    attr: {},\n    children: []\n  };\n\n  // Iterate attributes\n  for (let i = 0, attr; (attr = data.attributes[i]); i++) {\n    retval.attr[attr.name] = attr.value;\n  }\n\n  // Iterate children\n  for (let i = 0, node; (node = data.childNodes[i]); i++) {\n    retval.children[i] = getJsonFromSvgElement(node);\n  }\n\n  return retval;\n};\n\n/**\n* This should really be an intersection implementing all rather than a union\n* @function module:svgcanvas.SvgCanvas#addSVGElementFromJson\n* @implements {module:utilities.EditorContext#addSVGElementFromJson|module:path.EditorContext#addSVGElementFromJson}\n*/\nconst addSVGElementFromJson = this.addSVGElementFromJson = function (data) {\n  if (typeof data === 'string') return svgdoc.createTextNode(data);\n\n  let shape = getElem(data.attr.id);\n  // if shape is a path but we need to create a rect/ellipse, then remove the path\n  const currentLayer = getCurrentDrawing().getCurrentLayer();\n  if (shape && data.element !== shape.tagName) {\n    shape.remove();\n    shape = null;\n  }\n  if (!shape) {\n    const ns = data.namespace || NS.SVG;\n    shape = svgdoc.createElementNS(ns, data.element);\n    if (currentLayer) {\n      (currentGroup || currentLayer).append(shape);\n    }\n  }\n  if (data.curStyles) {\n    assignAttributes(shape, {\n      fill: curShape.fill,\n      stroke: curShape.stroke,\n      'stroke-width': curShape.stroke_width,\n      'stroke-dasharray': curShape.stroke_dasharray,\n      'stroke-linejoin': curShape.stroke_linejoin,\n      'stroke-linecap': curShape.stroke_linecap,\n      'stroke-opacity': curShape.stroke_opacity,\n      'fill-opacity': curShape.fill_opacity,\n      opacity: curShape.opacity / 2,\n      style: 'pointer-events:inherit'\n    }, 100);\n  }\n  assignAttributes(shape, data.attr, 100);\n  cleanupElement(shape);\n\n  // Children\n  if (data.children) {\n    data.children.forEach((child) => {\n      shape.append(addSVGElementFromJson(child));\n    });\n  }\n\n  return shape;\n};\n\ncanvas.getTransformList = getTransformList;\n\ncanvas.matrixMultiply = matrixMultiply;\ncanvas.hasMatrixTransform = hasMatrixTransform;\ncanvas.transformListToTransform = transformListToTransform;\n\n/**\n* @implements {module:utilities.EditorContext#getBaseUnit}\n*/\nconst getBaseUnit = () => { return curConfig.baseUnit; };\n\n/**\n* initialize from units.js.\n* Send in an object implementing the ElementContainer interface (see units.js)\n*/\nunitsInit(\n  /**\n  * @implements {module:units.ElementContainer}\n  */\n  {\n    getBaseUnit,\n    getElement: getElem,\n    getHeight () { return svgcontent.getAttribute('height') / currentZoom; },\n    getWidth () { return svgcontent.getAttribute('width') / currentZoom; },\n    getRoundDigits () { return saveOptions.round_digits; }\n  }\n);\n\ncanvas.convertToNum = convertToNum;\n\n/**\n* This should really be an intersection implementing all rather than a union\n* @implements {module:draw.DrawCanvasInit#getSVGContent|module:utilities.EditorContext#getSVGContent}\n*/\nconst getSVGContent = () => { return svgcontent; };\n\n/**\n* Should really be an intersection with all needing to apply rather than a union\n* @function module:svgcanvas.SvgCanvas#getSelectedElements\n* @implements {module:utilities.EditorContext#getSelectedElements|module:draw.DrawCanvasInit#getSelectedElements|module:path.EditorContext#getSelectedElements}\n*/\nconst getSelectedElements = this.getSelectedElems = function () {\n  return selectedElements;\n};\n\nconst pathActions = pathModule.pathActions;\n\n/**\n* This should actually be an intersection as all interfaces should be met\n* @implements {module:utilities.EditorContext#getSVGRoot|module:recalculate.EditorContext#getSVGRoot|module:coords.EditorContext#getSVGRoot|module:path.EditorContext#getSVGRoot}\n*/\nconst getSVGRoot = () => svgroot;\n\nutilsInit(\n  /**\n  * @implements {module:utilities.EditorContext}\n  */\n  {\n    pathActions, // Ok since not modifying\n    getSVGContent,\n    addSVGElementFromJson,\n    getSelectedElements,\n    getDOMDocument () { return svgdoc; },\n    getDOMContainer () { return container; },\n    getSVGRoot,\n    // TODO: replace this mostly with a way to get the current drawing.\n    getBaseUnit,\n    getSnappingStep () { return curConfig.snappingStep; }\n  }\n);\n\ncanvas.findDefs = findDefs;\ncanvas.getUrlFromAttr = getUrlFromAttr;\ncanvas.getHref = getHref;\ncanvas.setHref = setHref;\n/* const getBBox = */ canvas.getBBox = utilsGetBBox;\ncanvas.getRotationAngle = getRotationAngle;\ncanvas.getElem = getElem;\ncanvas.getRefElem = getRefElem;\ncanvas.assignAttributes = assignAttributes;\n\nthis.cleanupElement = cleanupElement;\n\n/**\n* This should actually be an intersection not a union as all should apply\n* @implements {module:coords.EditorContext|module:path.EditorContext}\n*/\nconst getGridSnapping = () => { return curConfig.gridSnapping; };\n\ncoordsInit(\n  /**\n  * @implements {module:coords.EditorContext}\n  */\n  {\n    getDrawing () { return getCurrentDrawing(); },\n    getSVGRoot,\n    getGridSnapping\n  }\n);\nthis.remapElement = remapElement;\n\nrecalculateInit(\n  /**\n  * @implements {module:recalculate.EditorContext}\n  */\n  {\n    getSVGRoot,\n    getStartTransform () { return startTransform; },\n    setStartTransform (transform) { startTransform = transform; }\n  }\n);\nthis.recalculateDimensions = recalculateDimensions;\n\n// import from sanitize.js\nconst nsMap = getReverseNS();\ncanvas.sanitizeSvg = sanitizeSvg;\n\n/**\n* @name undoMgr\n* @memberof module:svgcanvas.SvgCanvas#\n* @type {module:history.HistoryEventHandler}\n*/\nconst undoMgr = canvas.undoMgr = new UndoManager({\n  /**\n   * @param {string} eventType One of the HistoryEvent types\n   * @param {module:history.HistoryCommand} cmd Fulfills the HistoryCommand interface\n   * @fires module:svgcanvas.SvgCanvas#event:changed\n   * @returns {undefined}\n   */\n  handleHistoryEvent (eventType, cmd) {\n    const EventTypes = HistoryEventTypes;\n    // TODO: handle setBlurOffsets.\n    if (eventType === EventTypes.BEFORE_UNAPPLY || eventType === EventTypes.BEFORE_APPLY) {\n      canvas.clearSelection();\n    } else if (eventType === EventTypes.AFTER_APPLY || eventType === EventTypes.AFTER_UNAPPLY) {\n      const elems = cmd.elements();\n      canvas.pathActions.clear();\n      call('changed', elems);\n      const cmdType = cmd.type();\n      const isApply = (eventType === EventTypes.AFTER_APPLY);\n      if (cmdType === MoveElementCommand.type()) {\n        const parent = isApply ? cmd.newParent : cmd.oldParent;\n        if (parent === svgcontent) {\n          draw.identifyLayers();\n        }\n      } else if (cmdType === InsertElementCommand.type() ||\n          cmdType === RemoveElementCommand.type()) {\n        if (cmd.parent === svgcontent) {\n          draw.identifyLayers();\n        }\n        if (cmdType === InsertElementCommand.type()) {\n          if (isApply) { restoreRefElems(cmd.elem); }\n        } else {\n          if (!isApply) { restoreRefElems(cmd.elem); }\n        }\n        if (cmd.elem.tagName === 'use') {\n          setUseData(cmd.elem);\n        }\n      } else if (cmdType === ChangeElementCommand.type()) {\n        // if we are changing layer names, re-identify all layers\n        if (cmd.elem.tagName === 'title' &&\n          cmd.elem.parentNode.parentNode === svgcontent\n        ) {\n          draw.identifyLayers();\n        }\n        const values = isApply ? cmd.newValues : cmd.oldValues;\n        // If stdDeviation was changed, update the blur.\n        if (values.stdDeviation) {\n          canvas.setBlurOffsets(cmd.elem.parentNode, values.stdDeviation);\n        }\n        // This is resolved in later versions of webkit, perhaps we should\n        // have a featured detection for correct 'use' behavior?\n        // ——————————\n        // Remove & Re-add hack for Webkit (issue 775)\n        // if (cmd.elem.tagName === 'use' && isWebkit()) {\n        //  const {elem} = cmd;\n        //  if (!elem.getAttribute('x') && !elem.getAttribute('y')) {\n        //    const parent = elem.parentNode;\n        //    const sib = elem.nextSibling;\n        //    elem.remove();\n        //    parent.insertBefore(elem, sib);\n        //    // Ok to replace above with this? `sib.before(elem);`\n        //  }\n        // }\n      }\n    }\n  }\n});\n\n/**\n* This should really be an intersection applying to all types rather than a union\n* @function module:svgcanvas~addCommandToHistory\n* @implements {module:path.EditorContext#addCommandToHistory|module:draw.DrawCanvasInit#addCommandToHistory}\n*/\nconst addCommandToHistory = function (cmd) {\n  canvas.undoMgr.addCommandToHistory(cmd);\n};\n\n/**\n* This should really be an intersection applying to all types rather than a union\n* @function module:svgcanvas.SvgCanvas#getZoom\n* @implements {module:path.EditorContext#getCurrentZoom|module:select.SVGFactory#getCurrentZoom}\n*/\nconst getCurrentZoom = this.getZoom = function () { return currentZoom; };\n\n/**\n* This method rounds the incoming value to the nearest value based on the `currentZoom`\n* @function module:svgcanvas.SvgCanvas#round\n* @implements {module:path.EditorContext#round}\n*/\nconst round = this.round = function (val) {\n  return parseInt(val * currentZoom, 10) / currentZoom;\n};\n\nselectInit(\n  curConfig,\n  /**\n  * Export to select.js\n  * @implements {module:select.SVGFactory}\n  */\n  {\n    createSVGElement (jsonMap) { return canvas.addSVGElementFromJson(jsonMap); },\n    svgRoot () { return svgroot; },\n    svgContent () { return svgcontent; },\n    getCurrentZoom\n  }\n);\n/**\n* This object manages selectors for us\n* @name module:svgcanvas.SvgCanvas#selectorManager\n* @type {module:select.SelectorManager}\n*/\nconst selectorManager = this.selectorManager = getSelectorManager();\n\n/**\n* @function module:svgcanvas.SvgCanvas#getNextId\n* @implements {module:path.EditorContext#getNextId}\n*/\nconst getNextId = canvas.getNextId = function () {\n  return getCurrentDrawing().getNextId();\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getId\n* @implements {module:path.EditorContext#getId}\n*/\nconst getId = canvas.getId = function () {\n  return getCurrentDrawing().getId();\n};\n\n/**\n* The \"implements\" should really be an intersection applying to all types rather than a union\n* @function module:svgcanvas.SvgCanvas#call\n* @implements {module:draw.DrawCanvasInit#call|module:path.EditorContext#call}\n* @param {\"selected\"|\"changed\"|\"contextset\"|\"pointsAdded\"|\"extension_added\"|\"extensions_added\"|\"message\"|\"transition\"|\"zoomed\"|\"updateCanvas\"|\"zoomDone\"|\"saved\"|\"exported\"|\"exportedPDF\"|\"setnonce\"|\"unsetnonce\"|\"cleared\"} ev - String with the event name\n* @param {module:svgcanvas.SvgCanvas#event:GenericCanvasEvent} arg - Argument to pass through to the callback function.\n* @returns {undefined}\n*/\nconst call = function (ev, arg) {\n  if (events[ev]) {\n    return events[ev](window, arg);\n  }\n};\n\n/**\n* Clears the selection. The 'selected' handler is then optionally called.\n* This should really be an intersection applying to all types rather than a union\n* @function module:svgcanvas.SvgCanvas#clearSelection\n* @implements {module:draw.DrawCanvasInit#clearSelection|module:path.EditorContext#clearSelection}\n* @fires module:svgcanvas.SvgCanvas#event:selected\n*/\nconst clearSelection = this.clearSelection = function (noCall) {\n  selectedElements.forEach((elem) => {\n    if (elem == null) {\n      return;\n    }\n    selectorManager.releaseSelector(elem);\n  });\n  selectedElements = [];\n\n  if (!noCall) { call('selected', selectedElements); }\n};\n\n/**\n* Adds a list of elements to the selection. The 'selected' handler is then called.\n* @function module:svgcanvas.SvgCanvas#addToSelection\n* @implements {module:path.EditorContext#addToSelection}\n* @fires module:svgcanvas.SvgCanvas#event:selected\n*/\nconst addToSelection = this.addToSelection = function (elemsToAdd, showGrips) {\n  if (!elemsToAdd.length) { return; }\n  // find the first null in our selectedElements array\n\n  let j = 0;\n  while (j < selectedElements.length) {\n    if (selectedElements[j] == null) {\n      break;\n    }\n    ++j;\n  }\n\n  // now add each element consecutively\n  let i = elemsToAdd.length;\n  while (i--) {\n    let elem = elemsToAdd[i];\n    if (!elem) { continue; }\n    const bbox = utilsGetBBox(elem);\n    if (!bbox) { continue; }\n\n    if (elem.tagName === 'a' && elem.childNodes.length === 1) {\n      // Make \"a\" element's child be the selected element\n      elem = elem.firstChild;\n    }\n\n    // if it's not already there, add it\n    if (!selectedElements.includes(elem)) {\n      selectedElements[j] = elem;\n\n      // only the first selectedBBoxes element is ever used in the codebase these days\n      // if (j === 0) selectedBBoxes[0] = utilsGetBBox(elem);\n      j++;\n      const sel = selectorManager.requestSelector(elem, bbox);\n\n      if (selectedElements.length > 1) {\n        sel.showGrips(false);\n      }\n    }\n  }\n  call('selected', selectedElements);\n\n  if (showGrips || selectedElements.length === 1) {\n    selectorManager.requestSelector(selectedElements[0]).showGrips(true);\n  } else {\n    selectorManager.requestSelector(selectedElements[0]).showGrips(false);\n  }\n\n  // make sure the elements are in the correct order\n  // See: https://www.w3.org/TR/DOM-Level-3-Core/core.html#Node3-compareDocumentPosition\n\n  selectedElements.sort(function (a, b) {\n    if (a && b && a.compareDocumentPosition) {\n      return 3 - (b.compareDocumentPosition(a) & 6);\n    }\n    if (a == null) {\n      return 1;\n    }\n  });\n\n  // Make sure first elements are not null\n  while (selectedElements[0] == null) {\n    selectedElements.shift(0);\n  }\n};\n\n/**\n* @implements {module:path.EditorContext#getOpacity}\n*/\nconst getOpacity = function () {\n  return curShape.opacity;\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getMouseTarget\n* @implements {module:path.EditorContext#getMouseTarget}\n*/\nconst getMouseTarget = this.getMouseTarget = function (evt) {\n  if (evt == null) {\n    return null;\n  }\n  let mouseTarget = evt.target;\n\n  // if it was a <use>, Opera and WebKit return the SVGElementInstance\n  if (mouseTarget.correspondingUseElement) { mouseTarget = mouseTarget.correspondingUseElement; }\n\n  // for foreign content, go up until we find the foreignObject\n  // WebKit browsers set the mouse target to the svgcanvas div\n  if ([NS.MATH, NS.HTML].includes(mouseTarget.namespaceURI) &&\n    mouseTarget.id !== 'svgcanvas'\n  ) {\n    while (mouseTarget.nodeName !== 'foreignObject') {\n      mouseTarget = mouseTarget.parentNode;\n      if (!mouseTarget) { return svgroot; }\n    }\n  }\n\n  // Get the desired mouseTarget with jQuery selector-fu\n  // If it's root-like, select the root\n  const currentLayer = getCurrentDrawing().getCurrentLayer();\n  if ([svgroot, container, svgcontent, currentLayer].includes(mouseTarget)) {\n    return svgroot;\n  }\n\n  const $target = $(mouseTarget);\n\n  // If it's a selection grip, return the grip parent\n  if ($target.closest('#selectorParentGroup').length) {\n    // While we could instead have just returned mouseTarget,\n    // this makes it easier to indentify as being a selector grip\n    return selectorManager.selectorParentGroup;\n  }\n\n  while (mouseTarget.parentNode !== (currentGroup || currentLayer)) {\n    mouseTarget = mouseTarget.parentNode;\n  }\n\n  //\n  // // go up until we hit a child of a layer\n  // while (mouseTarget.parentNode.parentNode.tagName == 'g') {\n  //   mouseTarget = mouseTarget.parentNode;\n  // }\n  // Webkit bubbles the mouse event all the way up to the div, so we\n  // set the mouseTarget to the svgroot like the other browsers\n  // if (mouseTarget.nodeName.toLowerCase() == 'div') {\n  //   mouseTarget = svgroot;\n  // }\n\n  return mouseTarget;\n};\n\n/**\n* @namespace {module:path.pathActions} pathActions\n* @memberof module:svgcanvas.SvgCanvas#\n* @see module:path.pathActions\n*/\ncanvas.pathActions = pathActions;\n/**\n* @implements {module:path.EditorContext#resetD}\n*/\nfunction resetD (p) {\n  p.setAttribute('d', pathActions.convertPath(p));\n}\npathModule.init(\n  /**\n  * @implements {module:path.EditorContext}\n  */\n  {\n    selectorManager, // Ok since not changing\n    canvas, // Ok since not changing\n    call,\n    resetD,\n    round,\n    clearSelection,\n    addToSelection,\n    addCommandToHistory,\n    remapElement,\n    addSVGElementFromJson,\n    getGridSnapping,\n    getOpacity,\n    getSelectedElements,\n    getContainer () {\n      return container;\n    },\n    setStarted (s) {\n      started = s;\n    },\n    getRubberBox () {\n      return rubberBox;\n    },\n    setRubberBox (rb) {\n      rubberBox = rb;\n      return rubberBox;\n    },\n    /**\n     * @param {boolean} closedSubpath\n     * @param {SVGCircleElement[]} grips\n     * @fires module:svgcanvas.SvgCanvas#event:pointsAdded\n     * @fires module:svgcanvas.SvgCanvas#event:selected\n     */\n    addPtsToSelection ({closedSubpath, grips}) {\n      // TODO: Correct this:\n      pathActions.canDeleteNodes = true;\n      pathActions.closed_subpath = closedSubpath;\n      call('pointsAdded', {closedSubpath, grips});\n      call('selected', grips);\n    },\n    /**\n     * @param {ChangeElementCommand} cmd\n     * @param {SVGPathElement} elem\n     * @fires module:svgcanvas.SvgCanvas#event:changed\n     * @returns {undefined}\n     */\n    endChanges ({cmd, elem}) {\n      addCommandToHistory(cmd);\n      call('changed', [elem]);\n    },\n    getCurrentZoom,\n    getId,\n    getNextId,\n    getMouseTarget,\n    getCurrentMode () {\n      return currentMode;\n    },\n    setCurrentMode (cm) {\n      currentMode = cm;\n      return currentMode;\n    },\n    getDrawnPath () {\n      return drawnPath;\n    },\n    setDrawnPath (dp) {\n      drawnPath = dp;\n      return drawnPath;\n    },\n    getSVGRoot\n  }\n);\n\n// Interface strings, usually for title elements\nconst uiStrings = {};\n\nconst visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use';\nconst refAttrs = ['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'];\n\nconst elData = $.data;\n\n// Animation element to change the opacity of any newly created element\nconst opacAni = document.createElementNS(NS.SVG, 'animate');\n$(opacAni).attr({\n  attributeName: 'opacity',\n  begin: 'indefinite',\n  dur: 1,\n  fill: 'freeze'\n}).appendTo(svgroot);\n\nconst restoreRefElems = function (elem) {\n  // Look for missing reference elements, restore any found\n  const attrs = $(elem).attr(refAttrs);\n  for (const o in attrs) {\n    const val = attrs[o];\n    if (val && val.startsWith('url(')) {\n      const id = getUrlFromAttr(val).substr(1);\n      const ref = getElem(id);\n      if (!ref) {\n        findDefs().append(removedElements[id]);\n        delete removedElements[id];\n      }\n    }\n  }\n\n  const childs = elem.getElementsByTagName('*');\n\n  if (childs.length) {\n    for (let i = 0, l = childs.length; i < l; i++) {\n      restoreRefElems(childs[i]);\n    }\n  }\n};\n\n// (function () {\n// TODO For Issue 208: this is a start on a thumbnail\n//  const svgthumb = svgdoc.createElementNS(NS.SVG, 'use');\n//  svgthumb.setAttribute('width', '100');\n//  svgthumb.setAttribute('height', '100');\n//  setHref(svgthumb, '#svgcontent');\n//  svgroot.append(svgthumb);\n// }());\n\n/**\n * @typedef {PlainObject} module:svgcanvas.SaveOptions\n * @property {boolean} apply\n * @property {\"embed\"} [image]\n * @property {Integer} round_digits\n */\n\n// Object to contain image data for raster images that were found encodable\nconst encodableImages = {},\n\n  // Object with save options\n  /**\n   * @type {module:svgcanvas.SaveOptions}\n   */\n  saveOptions = {round_digits: 5},\n\n  // Object with IDs for imported files, to see if one was already added\n  importIds = {},\n\n  // Current text style properties\n  curText = allProperties.text,\n\n  // Object to contain all included extensions\n  extensions = {},\n\n  // Map of deleted reference elements\n  removedElements = {};\n\nlet\n  // String with image URL of last loadable image\n  lastGoodImgUrl = curConfig.imgPath + 'logo.png',\n\n  // Boolean indicating whether or not a draw action has been started\n  started = false,\n\n  // String with an element's initial transform attribute value\n  startTransform = null,\n\n  // String indicating the current editor mode\n  currentMode = 'select',\n\n  // String with the current direction in which an element is being resized\n  currentResizeMode = 'none',\n\n  // Current general properties\n  curProperties = curShape,\n\n  // Array with selected elements' Bounding box object\n  // selectedBBoxes = new Array(1),\n\n  // The DOM element that was just selected\n  justSelected = null,\n\n  // DOM element for selection rectangle drawn by the user\n  rubberBox = null,\n\n  // Array of current BBoxes, used in getIntersectionList().\n  curBBoxes = [],\n\n  // Canvas point for the most recent right click\n  lastClickPoint = null;\n\n/**\n* @typedef {module:svgcanvas.ExtensionMouseDownStatus|module:svgcanvas.ExtensionMouseUpStatus|module:svgcanvas.ExtensionIDsUpdatedStatus|module:locale.ExtensionLocaleData[]|undefined} module:svgcanvas.ExtensionStatus\n* @tutorial ExtensionDocs\n*/\n/**\n* @callback module:svgcanvas.ExtensionVarBuilder\n* @param {string} name The name of the extension\n*/\n/**\n* @todo Consider: Should this return an array by default, so extension results aren't overwritten?\n* @todo Would be easier to document if passing in object with key of action and vars as value; could then define an interface which tied both together\n* @function module:svgcanvas.SvgCanvas#runExtensions\n* @param {\"mouseDown\"|\"mouseMove\"|\"mouseUp\"|\"zoomChanged\"|\"IDsUpdated\"|\"canvasUpdated\"|\"toolButtonStateUpdate\"|\"selectedChanged\"|\"elementTransition\"|\"elementChanged\"|\"langReady\"|\"langChanged\"|\"addLangData\"|\"onNewDocument\"|\"workareaResized\"} action\n* @param {module:svgcanvas.SvgCanvas#event:ext-mouseDown|module:svgcanvas.SvgCanvas#event:ext-mouseMove|module:svgcanvas.SvgCanvas#event:ext-mouseUp|module:svgcanvas.SvgCanvas#event:ext-zoomChanged|module:svgcanvas.SvgCanvas#event:ext-IDsUpdated|module:svgcanvas.SvgCanvas#event:ext-canvasUpdated|module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate|module:svgcanvas.SvgCanvas#event:ext-selectedChanged|module:svgcanvas.SvgCanvas#event:ext-elementTransition|module:svgcanvas.SvgCanvas#event:ext-elementChanged|module:svgcanvas.SvgCanvas#event:ext-langReady|module:svgcanvas.SvgCanvas#event:ext-langChanged|module:svgcanvas.SvgCanvas#event:ext-addLangData|module:svgcanvas.SvgCanvas#event:ext-onNewDocument|module:svgcanvas.SvgCanvas#event:ext-workareaResized|module:svgcanvas.ExtensionVarBuilder} [vars]\n* @param {boolean} [returnArray]\n* @returns {GenericArray.<module:svgcanvas.ExtensionStatus>|module:svgcanvas.ExtensionStatus|false} See {@tutorial ExtensionDocs} on the ExtensionStatus.\n*/\nconst runExtensions = this.runExtensions = function (action, vars, returnArray) {\n  let result = returnArray ? [] : false;\n  $.each(extensions, function (name, ext) {\n    if (ext && action in ext) {\n      if (typeof vars === 'function') {\n        vars = vars(name); // ext, action\n      }\n      if (returnArray) {\n        result.push(ext[action](vars));\n      } else {\n        result = ext[action](vars);\n      }\n    }\n  });\n  return result;\n};\n\n/**\n* @typedef {PlainObject} module:svgcanvas.ExtensionMouseDownStatus\n* @property {boolean} started Indicates that creating/editing has started\n*/\n/**\n* @typedef {PlainObject} module:svgcanvas.ExtensionMouseUpStatus\n* @property {boolean} keep Indicates if the current element should be kept\n* @property {boolean} started Indicates if editing should still be considered as \"started\"\n* @property {Element} element The element being affected\n*/\n/**\n* @typedef {PlainObject} module:svgcanvas.ExtensionIDsUpdatedStatus\n* @property {string[]} remove Contains string IDs (used by `ext-connector.js`)\n*/\n\n/**\n * @interface module:svgcanvas.ExtensionInitResponse\n * @property {module:SVGEditor.ContextTool[]|PlainObject.<string, module:SVGEditor.ContextTool>} [context_tools]\n * @property {module:SVGEditor.Button[]|PlainObject.<Integer, module:SVGEditor.Button>} [buttons]\n * @property {string} [svgicons] The location of a local SVG or SVGz file\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#mouseDown\n * @param {module:svgcanvas.SvgCanvas#event:ext-mouseDown} arg\n * @returns {undefined|module:svgcanvas.ExtensionMouseDownStatus}\n */\n/**\n * @function module:svgcanvas.ExtensionInitResponse#mouseMove\n * @param {module:svgcanvas.SvgCanvas#event:ext-mouseMove} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#mouseUp\n * @param {module:svgcanvas.SvgCanvas#event:ext-mouseUp} arg\n * @returns {module:svgcanvas.ExtensionMouseUpStatus}\n */\n/**\n * @function module:svgcanvas.ExtensionInitResponse#zoomChanged\n * @param {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#IDsUpdated\n * @param {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} arg\n * @returns {module:svgcanvas.ExtensionIDsUpdatedStatus}\n */\n/**\n * @function module:svgcanvas.ExtensionInitResponse#canvasUpdated\n * @param {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#toolButtonStateUpdate\n * @param {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#selectedChanged\n * @param {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#elementTransition\n * @param {module:svgcanvas.SvgCanvas#event:ext-elementTransition} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#elementChanged\n * @param {module:svgcanvas.SvgCanvas#event:ext-elementChanged} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#langReady\n * @param {module:svgcanvas.SvgCanvas#event:ext-langReady} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#langChanged\n * @param {module:svgcanvas.SvgCanvas#event:ext-langChanged} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#addLangData\n * @param {module:svgcanvas.SvgCanvas#event:ext-addLangData} arg\n * @returns {Promise} Resolves to {@link module:locale.ExtensionLocaleData}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#onNewDocument\n * @param {module:svgcanvas.SvgCanvas#event:ext-onNewDocument} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#workareaResized\n * @param {module:svgcanvas.SvgCanvas#event:ext-workareaResized} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#callback\n * @param {module:svgcanvas.SvgCanvas#event:ext-callback} arg\n * @returns {undefined}\n*/\n\n/**\n* @callback module:svgcanvas.ExtensionInitCallback\n* @this module:SVGEditor\n* @param {module:svgcanvas.ExtensionArgumentObject} arg\n* @returns {Promise} Resolves to [ExtensionInitResponse]{@link module:svgcanvas.ExtensionInitResponse} or `undefined`\n*/\n/**\n* Add an extension to the editor\n* @function module:svgcanvas.SvgCanvas#addExtension\n* @param {string} name - String with the ID of the extension. Used internally; no need for i18n.\n* @param {module:svgcanvas.ExtensionInitCallback} [extInitFunc] - Function supplied by the extension with its data\n* @param {module:SVGEditor~ImportLocale} importLocale\n* @fires module:svgcanvas.SvgCanvas#event:extension_added\n* @throws {TypeError} If `extInitFunc` is not a function\n* @returns {Promise} Resolves to `undefined`\n*/\nthis.addExtension = async function (name, extInitFunc, importLocale) {\n  if (typeof extInitFunc !== 'function') {\n    throw new TypeError('Function argument expected for `svgcanvas.addExtension`');\n  }\n  if (!(name in extensions)) {\n    // Provide private vars/funcs here. Is there a better way to do this?\n    /**\n     * @typedef {module:svgcanvas.PrivateMethods} module:svgcanvas.ExtensionArgumentObject\n     * @property {SVGSVGElement} svgroot See {@link module:svgcanvas~svgroot}\n     * @property {SVGSVGElement} svgcontent See {@link module:svgcanvas~svgcontent}\n     * @property {!(string|Integer)} nonce See {@link module:draw.Drawing#getNonce}\n     * @property {module:select.SelectorManager} selectorManager\n     * @property {module:SVGEditor~ImportLocale} importLocale\n     */\n    /**\n     * @type {module:svgcanvas.ExtensionArgumentObject}\n     * @see {@link module:svgcanvas.PrivateMethods} source for the other methods/properties\n     */\n    const argObj = $.extend(canvas.getPrivateMethods(), {\n      importLocale,\n      svgroot,\n      svgcontent,\n      nonce: getCurrentDrawing().getNonce(),\n      selectorManager\n    });\n    const extObj = await extInitFunc(argObj);\n    if (extObj) {\n      extObj.name = name;\n    }\n\n    extensions[name] = extObj;\n    return call('extension_added', extObj);\n  } else {\n    console.log('Cannot add extension \"' + name + '\", an extension by that name already exists.');\n  }\n};\n\n/**\n* This method sends back an array or a NodeList full of elements that\n* intersect the multi-select rubber-band-box on the currentLayer only.\n*\n* We brute-force `getIntersectionList` for browsers that do not support it (Firefox).\n*\n* Reference:\n* Firefox does not implement `getIntersectionList()`, see {@link https://bugzilla.mozilla.org/show_bug.cgi?id=501421}\n* @function module:svgcanvas.SvgCanvas#getIntersectionList\n* @param {SVGRect} rect\n* @returns {Element[]|NodeList} Bbox elements\n*/\nconst getIntersectionList = this.getIntersectionList = function (rect) {\n  if (rubberBox == null) { return null; }\n\n  const parent = currentGroup || getCurrentDrawing().getCurrentLayer();\n\n  let rubberBBox;\n  if (!rect) {\n    rubberBBox = rubberBox.getBBox();\n    const bb = svgcontent.createSVGRect();\n\n    for (const o in rubberBBox) {\n      bb[o] = rubberBBox[o] / currentZoom;\n    }\n    rubberBBox = bb;\n  } else {\n    rubberBBox = svgcontent.createSVGRect();\n    rubberBBox.x = rect.x;\n    rubberBBox.y = rect.y;\n    rubberBBox.width = rect.width;\n    rubberBBox.height = rect.height;\n  }\n\n  let resultList = null;\n  if (!isIE) {\n    if (typeof svgroot.getIntersectionList === 'function') {\n      // Offset the bbox of the rubber box by the offset of the svgcontent element.\n      rubberBBox.x += parseInt(svgcontent.getAttribute('x'), 10);\n      rubberBBox.y += parseInt(svgcontent.getAttribute('y'), 10);\n\n      resultList = svgroot.getIntersectionList(rubberBBox, parent);\n    }\n  }\n\n  if (resultList == null || typeof resultList.item !== 'function') {\n    resultList = [];\n\n    if (!curBBoxes.length) {\n      // Cache all bboxes\n      curBBoxes = getVisibleElementsAndBBoxes(parent);\n    }\n    let i = curBBoxes.length;\n    while (i--) {\n      if (!rubberBBox.width) { continue; }\n      if (rectsIntersect(rubberBBox, curBBoxes[i].bbox)) {\n        resultList.push(curBBoxes[i].elem);\n      }\n    }\n  }\n\n  // addToSelection expects an array, but it's ok to pass a NodeList\n  // because using square-bracket notation is allowed:\n  // https://www.w3.org/TR/DOM-Level-2-Core/ecma-script-binding.html\n  return resultList;\n};\n\nthis.getStrokedBBox = getStrokedBBoxDefaultVisible;\n\nthis.getVisibleElements = getVisibleElements;\n\n/**\n* @typedef {PlainObject} ElementAndBBox\n* @property {Element} elem - The element\n* @property {module:utilities.BBoxObject} bbox - The element's BBox as retrieved from `getStrokedBBoxDefaultVisible`\n*/\n\n/**\n* Get all elements that have a BBox (excludes `<defs>`, `<title>`, etc).\n* Note that 0-opacity, off-screen etc elements are still considered \"visible\"\n* for this function\n* @function module:svgcanvas.SvgCanvas#getVisibleElementsAndBBoxes\n* @param {Element} parent - The parent DOM element to search within\n* @returns {ElementAndBBox[]} An array with objects that include:\n*/\nconst getVisibleElementsAndBBoxes = this.getVisibleElementsAndBBoxes = function (parent) {\n  if (!parent) {\n    parent = $(svgcontent).children(); // Prevent layers from being included\n  }\n  const contentElems = [];\n  $(parent).children().each(function (i, elem) {\n    if (elem.getBBox) {\n      contentElems.push({elem, bbox: getStrokedBBoxDefaultVisible([elem])});\n    }\n  });\n  return contentElems.reverse();\n};\n\n/**\n* Wrap an SVG element into a group element, mark the group as 'gsvg'\n* @function module:svgcanvas.SvgCanvas#groupSvgElem\n* @param {Element} elem - SVG element to wrap\n* @returns {undefined}\n*/\nconst groupSvgElem = this.groupSvgElem = function (elem) {\n  const g = document.createElementNS(NS.SVG, 'g');\n  elem.replaceWith(g);\n  $(g).append(elem).data('gsvg', elem)[0].id = getNextId();\n};\n\n// Set scope for these functions\n\n// Object to contain editor event names and callback functions\nconst events = {};\n\ncanvas.call = call;\n/**\n * Array of what was changed (elements, layers)\n * @event module:svgcanvas.SvgCanvas#event:changed\n * @type {Element[]}\n */\n/**\n * Array of selected elements\n * @event module:svgcanvas.SvgCanvas#event:selected\n * @type {Element[]}\n */\n/**\n * Array of selected elements\n * @event module:svgcanvas.SvgCanvas#event:transition\n * @type {Element[]}\n */\n/**\n * The Element is always `SVGGElement`?\n * If not `null`, will be the set current group element\n * @event module:svgcanvas.SvgCanvas#event:contextset\n * @type {null|Element}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:pointsAdded\n * @type {PlainObject}\n * @property {boolean} closedSubpath\n * @property {SVGCircleElement[]} grips Grips elements\n */\n\n/**\n * @event module:svgcanvas.SvgCanvas#event:zoomed\n * @type {PlainObject}\n * @property {Float} x\n * @property {Float} y\n * @property {Float} width\n * @property {Float} height\n * @property {0.5|2} factor\n * @see module:SVGEditor.BBoxObjectWithFactor\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:updateCanvas\n * @type {PlainObject}\n * @property {false} center\n * @property {module:math.XYObject} newCtr\n */\n/**\n * @typedef {PlainObject} module:svgcanvas.ExtensionInitResponsePlusName\n * @implements {module:svgcanvas.ExtensionInitResponse}\n * @property {string} name The extension's resolved ID (whether explicit or based on file name)\n */\n/**\n * Generalized extension object response of\n * [`init()`]{@link module:svgcanvas.ExtensionInitCallback}\n * along with the name of the extension.\n * @event module:svgcanvas.SvgCanvas#event:extension_added\n * @type {module:svgcanvas.ExtensionInitResponsePlusName|undefined}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:extensions_added\n * @type {undefined}\n*/\n/**\n * @typedef {PlainObject} module:svgcanvas.Message\n * @property {Any} data The data\n * @property {string} origin The origin\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:message\n * @type {module:svgcanvas.Message}\n */\n/**\n * SVG canvas converted to string\n * @event module:svgcanvas.SvgCanvas#event:saved\n * @type {string}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:setnonce\n * @type {!(string|Integer)}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:unsetnonce\n * @type {undefined}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:zoomDone\n * @type {undefined}\n*/\n/**\n * @event module:svgcanvas.SvgCanvas#event:cleared\n * @type {undefined}\n*/\n\n/**\n * @event module:svgcanvas.SvgCanvas#event:exported\n * @type {module:svgcanvas.ImageExportedResults}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:exportedPDF\n * @type {module:svgcanvas.PDFExportedResults}\n */\n/**\n * Creating a cover-all class until {@link https://github.com/jsdoc3/jsdoc/issues/1545} may be supported.\n * `undefined` may be returned by {@link module:svgcanvas.SvgCanvas#event:extension_added} if the extension's `init` returns `undefined` It is also the type for the following events \"zoomDone\", \"unsetnonce\", \"cleared\", and \"extensions_added\".\n * @event module:svgcanvas.SvgCanvas#event:GenericCanvasEvent\n * @type {module:svgcanvas.SvgCanvas#event:selected|module:svgcanvas.SvgCanvas#event:changed|module:svgcanvas.SvgCanvas#event:contextset|module:svgcanvas.SvgCanvas#event:pointsAdded|module:svgcanvas.SvgCanvas#event:extension_added|module:svgcanvas.SvgCanvas#event:extensions_added|module:svgcanvas.SvgCanvas#event:message|module:svgcanvas.SvgCanvas#event:transition|module:svgcanvas.SvgCanvas#event:zoomed|module:svgcanvas.SvgCanvas#event:updateCanvas|module:svgcanvas.SvgCanvas#event:saved|module:svgcanvas.SvgCanvas#event:exported|module:svgcanvas.SvgCanvas#event:exportedPDF|module:svgcanvas.SvgCanvas#event:setnonce|module:svgcanvas.SvgCanvas#event:unsetnonce|undefined}\n */\n\n/**\n* @callback module:svgcanvas.EventHandler\n* @param {external:Window} win\n* @param {module:svgcanvas.SvgCanvas#event:GenericCanvasEvent} arg\n* @listens module:svgcanvas.SvgCanvas#event:GenericCanvasEvent\n*/\n\n/**\n* Attaches a callback function to an event\n* @function module:svgcanvas.SvgCanvas#bind\n* @param {\"changed\"|\"contextset\"|\"selected\"|\"pointsAdded\"|\"extension_added\"|\"extensions_added\"|\"message\"|\"transition\"|\"zoomed\"|\"updateCanvas\"|\"zoomDone\"|\"saved\"|\"exported\"|\"exportedPDF\"|\"setnonce\"|\"unsetnonce\"|\"cleared\"} ev - String indicating the name of the event\n* @param {module:svgcanvas.EventHandler} f - The callback function to bind to the event\n* @returns {module:svgcanvas.EventHandler} The previous event\n*/\ncanvas.bind = function (ev, f) {\n  const old = events[ev];\n  events[ev] = f;\n  return old;\n};\n\n/**\n* Runs the SVG Document through the sanitizer and then updates its paths.\n* @function module:svgcanvas.SvgCanvas#prepareSvg\n* @param {XMLDocument} newDoc - The SVG DOM document\n* @returns {undefined}\n*/\nthis.prepareSvg = function (newDoc) {\n  this.sanitizeSvg(newDoc.documentElement);\n\n  // convert paths into absolute commands\n  const paths = [...newDoc.getElementsByTagNameNS(NS.SVG, 'path')];\n  paths.forEach((path) => {\n    path.setAttribute('d', pathActions.convertPath(path));\n    pathActions.fixEnd(path);\n  });\n};\n\n/**\n* Hack for Firefox bugs where text element features aren't updated or get\n* messed up. See issue 136 and issue 137.\n* This function clones the element and re-selects it.\n* @function module:svgcanvas~ffClone\n* @todo Test for this bug on load and add it to \"support\" object instead of\n* browser sniffing\n* @param {Element} elem - The (text) DOM element to clone\n* @returns {Element} Cloned element\n*/\nconst ffClone = function (elem) {\n  if (!isGecko()) { return elem; }\n  const clone = elem.cloneNode(true);\n  elem.before(clone);\n  elem.remove();\n  selectorManager.releaseSelector(elem);\n  selectedElements[0] = clone;\n  selectorManager.requestSelector(clone).showGrips(true);\n  return clone;\n};\n\n// `this.each` is deprecated, if any extension used this it can be recreated by doing this:\n// * @example $(canvas.getRootElem()).children().each(...)\n// * @function module:svgcanvas.SvgCanvas#each\n// this.each = function (cb) {\n//  $(svgroot).children().each(cb);\n// };\n\n/**\n* Removes any old rotations if present, prepends a new rotation at the\n* transformed center\n* @function module:svgcanvas.SvgCanvas#setRotationAngle\n* @param {string|Float} val - The new rotation angle in degrees\n* @param {boolean} preventUndo - Indicates whether the action should be undoable or not\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setRotationAngle = function (val, preventUndo) {\n  // ensure val is the proper type\n  val = parseFloat(val);\n  const elem = selectedElements[0];\n  const oldTransform = elem.getAttribute('transform');\n  const bbox = utilsGetBBox(elem);\n  const cx = bbox.x + bbox.width / 2, cy = bbox.y + bbox.height / 2;\n  const tlist = getTransformList(elem);\n\n  // only remove the real rotational transform if present (i.e. at index=0)\n  if (tlist.numberOfItems > 0) {\n    const xform = tlist.getItem(0);\n    if (xform.type === 4) {\n      tlist.removeItem(0);\n    }\n  }\n  // find Rnc and insert it\n  if (val !== 0) {\n    const center = transformPoint(cx, cy, transformListToTransform(tlist).matrix);\n    const Rnc = svgroot.createSVGTransform();\n    Rnc.setRotate(val, center.x, center.y);\n    if (tlist.numberOfItems) {\n      tlist.insertItemBefore(Rnc, 0);\n    } else {\n      tlist.appendItem(Rnc);\n    }\n  } else if (tlist.numberOfItems === 0) {\n    elem.removeAttribute('transform');\n  }\n\n  if (!preventUndo) {\n    // we need to undo it, then redo it so it can be undo-able! :)\n    // TODO: figure out how to make changes to transform list undo-able cross-browser?\n    const newTransform = elem.getAttribute('transform');\n    elem.setAttribute('transform', oldTransform);\n    changeSelectedAttribute('transform', newTransform, selectedElements);\n    call('changed', selectedElements);\n  }\n  // const pointGripContainer = getElem('pathpointgrip_container');\n  // if (elem.nodeName === 'path' && pointGripContainer) {\n  //   pathActions.setPointContainerTransform(elem.getAttribute('transform'));\n  // }\n  const selector = selectorManager.requestSelector(selectedElements[0]);\n  selector.resize();\n  selector.updateGripCursors(val);\n};\n\n/**\n* Runs `recalculateDimensions` on the selected elements,\n* adding the changes to a single batch command\n* @function module:svgcanvas.SvgCanvas#recalculateAllSelectedDimensions\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nconst recalculateAllSelectedDimensions = this.recalculateAllSelectedDimensions = function () {\n  const text = (currentResizeMode === 'none' ? 'position' : 'size');\n  const batchCmd = new BatchCommand(text);\n\n  let i = selectedElements.length;\n  while (i--) {\n    const elem = selectedElements[i];\n    // if (getRotationAngle(elem) && !hasMatrixTransform(getTransformList(elem))) { continue; }\n    const cmd = recalculateDimensions(elem);\n    if (cmd) {\n      batchCmd.addSubCommand(cmd);\n    }\n  }\n\n  if (!batchCmd.isEmpty()) {\n    addCommandToHistory(batchCmd);\n    call('changed', selectedElements);\n  }\n};\n\n/**\n * Debug tool to easily see the current matrix in the browser's console\n * @function module:svgcanvas~logMatrix\n * @param {SVGMatrix} m The matrix\n * @returns {undefined}\n */\nconst logMatrix = function (m) {\n  console.log([m.a, m.b, m.c, m.d, m.e, m.f]);\n};\n\n// Root Current Transformation Matrix in user units\nlet rootSctm = null;\n\n/**\n* Group: Selection\n*/\n\n// TODO: do we need to worry about selectedBBoxes here?\n\n/**\n* Selects only the given elements, shortcut for clearSelection(); addToSelection()\n* @function module:svgcanvas.SvgCanvas#selectOnly\n* @param {Element[]} elems - an array of DOM elements to be selected\n* @param {boolean} showGrips - Indicates whether the resize grips should be shown\n* @returns {undefined}\n*/\nconst selectOnly = this.selectOnly = function (elems, showGrips) {\n  clearSelection(true);\n  addToSelection(elems, showGrips);\n};\n\n// TODO: could use slice here to make this faster?\n// TODO: should the 'selected' handler\n\n/**\n* Removes elements from the selection.\n* @function module:svgcanvas.SvgCanvas#removeFromSelection\n* @param {Element[]} elemsToRemove - An array of elements to remove from selection\n* @returns {undefined}\n*/\n/* const removeFromSelection = */ this.removeFromSelection = function (elemsToRemove) {\n  if (selectedElements[0] == null) { return; }\n  if (!elemsToRemove.length) { return; }\n\n  // find every element and remove it from our array copy\n  const newSelectedItems = [],\n    len = selectedElements.length;\n  for (let i = 0; i < len; ++i) {\n    const elem = selectedElements[i];\n    if (elem) {\n      // keep the item\n      if (!elemsToRemove.includes(elem)) {\n        newSelectedItems.push(elem);\n      } else { // remove the item and its selector\n        selectorManager.releaseSelector(elem);\n      }\n    }\n  }\n  // the copy becomes the master now\n  selectedElements = newSelectedItems;\n};\n\n/**\n* Clears the selection, then adds all elements in the current layer to the selection.\n* @function module:svgcanvas.SvgCanvas#selectAllInCurrentLayer\n* @returns {undefined}\n*/\nthis.selectAllInCurrentLayer = function () {\n  const currentLayer = getCurrentDrawing().getCurrentLayer();\n  if (currentLayer) {\n    currentMode = 'select';\n    selectOnly($(currentGroup || currentLayer).children());\n  }\n};\n\nlet drawnPath = null;\n\n// Mouse events\n(function () {\nconst freehand = {\n  minx: null,\n  miny: null,\n  maxx: null,\n  maxy: null\n};\nconst THRESHOLD_DIST = 0.8,\n  STEP_COUNT = 10;\nlet dAttr = null,\n  startX = null,\n  startY = null,\n  rStartX = null,\n  rStartY = null,\n  initBbox = {},\n  sumDistance = 0,\n  controllPoint2 = {x: 0, y: 0},\n  controllPoint1 = {x: 0, y: 0},\n  start = {x: 0, y: 0},\n  end = {x: 0, y: 0},\n  bSpline = {x: 0, y: 0},\n  nextPos = {x: 0, y: 0},\n  parameter,\n  nextParameter;\n\nconst getBsplinePoint = function (t) {\n  const spline = {x: 0, y: 0},\n    p0 = controllPoint2,\n    p1 = controllPoint1,\n    p2 = start,\n    p3 = end,\n    S = 1.0 / 6.0,\n    t2 = t * t,\n    t3 = t2 * t;\n\n  const m = [\n    [-1, 3, -3, 1],\n    [3, -6, 3, 0],\n    [-3, 0, 3, 0],\n    [1, 4, 1, 0]\n  ];\n\n  spline.x = S * (\n    (p0.x * m[0][0] + p1.x * m[0][1] + p2.x * m[0][2] + p3.x * m[0][3]) * t3 +\n      (p0.x * m[1][0] + p1.x * m[1][1] + p2.x * m[1][2] + p3.x * m[1][3]) * t2 +\n      (p0.x * m[2][0] + p1.x * m[2][1] + p2.x * m[2][2] + p3.x * m[2][3]) * t +\n      (p0.x * m[3][0] + p1.x * m[3][1] + p2.x * m[3][2] + p3.x * m[3][3])\n  );\n  spline.y = S * (\n    (p0.y * m[0][0] + p1.y * m[0][1] + p2.y * m[0][2] + p3.y * m[0][3]) * t3 +\n      (p0.y * m[1][0] + p1.y * m[1][1] + p2.y * m[1][2] + p3.y * m[1][3]) * t2 +\n      (p0.y * m[2][0] + p1.y * m[2][1] + p2.y * m[2][2] + p3.y * m[2][3]) * t +\n      (p0.y * m[3][0] + p1.y * m[3][1] + p2.y * m[3][2] + p3.y * m[3][3])\n  );\n\n  return {\n    x: spline.x,\n    y: spline.y\n  };\n};\n/**\n * - When we are in a create mode, the element is added to the canvas but the\n *   action is not recorded until mousing up.\n * - When we are in select mode, select the element, remember the position\n *   and do nothing else\n * @param {MouseEvent} evt\n * @fires module:svgcanvas.SvgCanvas#event:ext-mouseDown\n * @returns {undefined}\n */\nconst mouseDown = function (evt) {\n  if (canvas.spaceKey || evt.button === 1) { return; }\n\n  const rightClick = evt.button === 2;\n\n  if (evt.altKey) { // duplicate when dragging\n    canvas.cloneSelectedElements(0, 0);\n  }\n\n  rootSctm = $('#svgcontent g')[0].getScreenCTM().inverse();\n\n  const pt = transformPoint(evt.pageX, evt.pageY, rootSctm),\n    mouseX = pt.x * currentZoom,\n    mouseY = pt.y * currentZoom;\n\n  evt.preventDefault();\n\n  if (rightClick) {\n    currentMode = 'select';\n    lastClickPoint = pt;\n  }\n\n  // This would seem to be unnecessary...\n  // if (!['select', 'resize'].includes(currentMode)) {\n  //   setGradient();\n  // }\n\n  let x = mouseX / currentZoom,\n    y = mouseY / currentZoom;\n  let mouseTarget = getMouseTarget(evt);\n\n  if (mouseTarget.tagName === 'a' && mouseTarget.childNodes.length === 1) {\n    mouseTarget = mouseTarget.firstChild;\n  }\n\n  // realX/y ignores grid-snap value\n  const realX = x;\n  rStartX = startX = x;\n  const realY = y;\n  rStartY = startY = y;\n\n  if (curConfig.gridSnapping) {\n    x = snapToGrid(x);\n    y = snapToGrid(y);\n    startX = snapToGrid(startX);\n    startY = snapToGrid(startY);\n  }\n\n  // if it is a selector grip, then it must be a single element selected,\n  // set the mouseTarget to that and update the mode to rotate/resize\n\n  if (mouseTarget === selectorManager.selectorParentGroup && selectedElements[0] != null) {\n    const grip = evt.target;\n    const griptype = elData(grip, 'type');\n    // rotating\n    if (griptype === 'rotate') {\n      currentMode = 'rotate';\n    // resizing\n    } else if (griptype === 'resize') {\n      currentMode = 'resize';\n      currentResizeMode = elData(grip, 'dir');\n    }\n    mouseTarget = selectedElements[0];\n  }\n\n  startTransform = mouseTarget.getAttribute('transform');\n  let i, strokeW;\n  const tlist = getTransformList(mouseTarget);\n  switch (currentMode) {\n  case 'select':\n    started = true;\n    currentResizeMode = 'none';\n    if (rightClick) { started = false; }\n\n    if (mouseTarget !== svgroot) {\n      // if this element is not yet selected, clear selection and select it\n      if (!selectedElements.includes(mouseTarget)) {\n        // only clear selection if shift is not pressed (otherwise, add\n        // element to selection)\n        if (!evt.shiftKey) {\n          // No need to do the call here as it will be done on addToSelection\n          clearSelection(true);\n        }\n        addToSelection([mouseTarget]);\n        justSelected = mouseTarget;\n        pathActions.clear();\n      }\n      // else if it's a path, go into pathedit mode in mouseup\n\n      if (!rightClick) {\n        // insert a dummy transform so if the element(s) are moved it will have\n        // a transform to use for its translate\n        for (i = 0; i < selectedElements.length; ++i) {\n          if (selectedElements[i] == null) { continue; }\n          const slist = getTransformList(selectedElements[i]);\n          if (slist.numberOfItems) {\n            slist.insertItemBefore(svgroot.createSVGTransform(), 0);\n          } else {\n            slist.appendItem(svgroot.createSVGTransform());\n          }\n        }\n      }\n    } else if (!rightClick) {\n      clearSelection();\n      currentMode = 'multiselect';\n      if (rubberBox == null) {\n        rubberBox = selectorManager.getRubberBandBox();\n      }\n      rStartX *= currentZoom;\n      rStartY *= currentZoom;\n      // console.log('p',[evt.pageX, evt.pageY]);\n      // console.log('c',[evt.clientX, evt.clientY]);\n      // console.log('o',[evt.offsetX, evt.offsetY]);\n      // console.log('s',[startX, startY]);\n\n      assignAttributes(rubberBox, {\n        x: rStartX,\n        y: rStartY,\n        width: 0,\n        height: 0,\n        display: 'inline'\n      }, 100);\n    }\n    break;\n  case 'zoom':\n    started = true;\n    if (rubberBox == null) {\n      rubberBox = selectorManager.getRubberBandBox();\n    }\n    assignAttributes(rubberBox, {\n      x: realX * currentZoom,\n      y: realX * currentZoom,\n      width: 0,\n      height: 0,\n      display: 'inline'\n    }, 100);\n    break;\n  case 'resize':\n    started = true;\n    startX = x;\n    startY = y;\n\n    // Getting the BBox from the selection box, since we know we\n    // want to orient around it\n    initBbox = utilsGetBBox($('#selectedBox0')[0]);\n    const bb = {};\n    $.each(initBbox, function (key, val) {\n      bb[key] = val / currentZoom;\n    });\n    initBbox = bb;\n\n    // append three dummy transforms to the tlist so that\n    // we can translate,scale,translate in mousemove\n    const pos = getRotationAngle(mouseTarget) ? 1 : 0;\n\n    if (hasMatrixTransform(tlist)) {\n      tlist.insertItemBefore(svgroot.createSVGTransform(), pos);\n      tlist.insertItemBefore(svgroot.createSVGTransform(), pos);\n      tlist.insertItemBefore(svgroot.createSVGTransform(), pos);\n    } else {\n      tlist.appendItem(svgroot.createSVGTransform());\n      tlist.appendItem(svgroot.createSVGTransform());\n      tlist.appendItem(svgroot.createSVGTransform());\n\n      if (supportsNonScalingStroke()) {\n        // Handle crash for newer Chrome and Safari 6 (Mobile and Desktop):\n        // https://code.google.com/p/svg-edit/issues/detail?id=904\n        // Chromium issue: https://code.google.com/p/chromium/issues/detail?id=114625\n        // TODO: Remove this workaround once vendor fixes the issue\n        const iswebkit = isWebkit();\n\n        let delayedStroke;\n        if (iswebkit) {\n          delayedStroke = function (ele) {\n            const _stroke = ele.getAttributeNS(null, 'stroke');\n            ele.removeAttributeNS(null, 'stroke');\n            // Re-apply stroke after delay. Anything higher than 1 seems to cause flicker\n            if (_stroke !== null) setTimeout(function () { ele.setAttributeNS(null, 'stroke', _stroke); }, 0);\n          };\n        }\n        mouseTarget.style.vectorEffect = 'non-scaling-stroke';\n        if (iswebkit) { delayedStroke(mouseTarget); }\n\n        const all = mouseTarget.getElementsByTagName('*'),\n          len = all.length;\n        for (i = 0; i < len; i++) {\n          if (!all[i].style) { // mathML\n            continue;\n          }\n          all[i].style.vectorEffect = 'non-scaling-stroke';\n          if (iswebkit) { delayedStroke(all[i]); }\n        }\n      }\n    }\n    break;\n  case 'fhellipse':\n  case 'fhrect':\n  case 'fhpath':\n    start.x = realX;\n    start.y = realY;\n    started = true;\n    dAttr = realX + ',' + realY + ' ';\n    // Commented out as doing nothing now:\n    // strokeW = parseFloat(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;\n    addSVGElementFromJson({\n      element: 'polyline',\n      curStyles: true,\n      attr: {\n        points: dAttr,\n        id: getNextId(),\n        fill: 'none',\n        opacity: curShape.opacity / 2,\n        'stroke-linecap': 'round',\n        style: 'pointer-events:none'\n      }\n    });\n    freehand.minx = realX;\n    freehand.maxx = realX;\n    freehand.miny = realY;\n    freehand.maxy = realY;\n    break;\n  case 'image':\n    started = true;\n    const newImage = addSVGElementFromJson({\n      element: 'image',\n      attr: {\n        x,\n        y,\n        width: 0,\n        height: 0,\n        id: getNextId(),\n        opacity: curShape.opacity / 2,\n        style: 'pointer-events:inherit'\n      }\n    });\n    setHref(newImage, lastGoodImgUrl);\n    preventClickDefault(newImage);\n    break;\n  case 'square':\n    // FIXME: once we create the rect, we lose information that this was a square\n    // (for resizing purposes this could be important)\n    // Fallthrough\n  case 'rect':\n    started = true;\n    startX = x;\n    startY = y;\n    addSVGElementFromJson({\n      element: 'rect',\n      curStyles: true,\n      attr: {\n        x,\n        y,\n        width: 0,\n        height: 0,\n        id: getNextId(),\n        opacity: curShape.opacity / 2\n      }\n    });\n    break;\n  case 'line':\n    started = true;\n    strokeW = Number(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;\n    addSVGElementFromJson({\n      element: 'line',\n      curStyles: true,\n      attr: {\n        x1: x,\n        y1: y,\n        x2: x,\n        y2: y,\n        id: getNextId(),\n        stroke: curShape.stroke,\n        'stroke-width': strokeW,\n        'stroke-dasharray': curShape.stroke_dasharray,\n        'stroke-linejoin': curShape.stroke_linejoin,\n        'stroke-linecap': curShape.stroke_linecap,\n        'stroke-opacity': curShape.stroke_opacity,\n        fill: 'none',\n        opacity: curShape.opacity / 2,\n        style: 'pointer-events:none'\n      }\n    });\n    break;\n  case 'circle':\n    started = true;\n    addSVGElementFromJson({\n      element: 'circle',\n      curStyles: true,\n      attr: {\n        cx: x,\n        cy: y,\n        r: 0,\n        id: getNextId(),\n        opacity: curShape.opacity / 2\n      }\n    });\n    break;\n  case 'ellipse':\n    started = true;\n    addSVGElementFromJson({\n      element: 'ellipse',\n      curStyles: true,\n      attr: {\n        cx: x,\n        cy: y,\n        rx: 0,\n        ry: 0,\n        id: getNextId(),\n        opacity: curShape.opacity / 2\n      }\n    });\n    break;\n  case 'text':\n    started = true;\n    /* const newText = */ addSVGElementFromJson({\n      element: 'text',\n      curStyles: true,\n      attr: {\n        x,\n        y,\n        id: getNextId(),\n        fill: curText.fill,\n        'stroke-width': curText.stroke_width,\n        'font-size': curText.font_size,\n        'font-family': curText.font_family,\n        'text-anchor': 'middle',\n        'xml:space': 'preserve',\n        opacity: curShape.opacity\n      }\n    });\n    // newText.textContent = 'text';\n    break;\n  case 'path':\n    // Fall through\n  case 'pathedit':\n    startX *= currentZoom;\n    startY *= currentZoom;\n    pathActions.mouseDown(evt, mouseTarget, startX, startY);\n    started = true;\n    break;\n  case 'textedit':\n    startX *= currentZoom;\n    startY *= currentZoom;\n    textActions.mouseDown(evt, mouseTarget, startX, startY);\n    started = true;\n    break;\n  case 'rotate':\n    started = true;\n    // we are starting an undoable change (a drag-rotation)\n    canvas.undoMgr.beginUndoableChange('transform', selectedElements);\n    break;\n  default:\n    // This could occur in an extension\n    break;\n  }\n\n  /**\n   * The main (left) mouse button is held down on the canvas area\n   * @event module:svgcanvas.SvgCanvas#event:ext-mouseDown\n   * @type {PlainObject}\n   * @property {MouseEvent} event The event object\n   * @property {Float} start_x x coordinate on canvas\n   * @property {Float} start_y y coordinate on canvas\n   * @property {Element[]} selectedElements An array of the selected Elements\n  */\n  const extResult = runExtensions('mouseDown', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseDown} */ {\n    event: evt,\n    start_x: startX,\n    start_y: startY,\n    selectedElements\n  }, true);\n\n  $.each(extResult, function (i, r) {\n    if (r && r.started) {\n      started = true;\n    }\n  });\n};\n\n// in this function we do not record any state changes yet (but we do update\n// any elements that are still being created, moved or resized on the canvas)\n/**\n *\n * @param {MouseEvent} evt\n * @fires module:svgcanvas.SvgCanvas#event:transition\n * @fires module:svgcanvas.SvgCanvas#event:ext-mouseMove\n * @returns {undefined}\n */\nconst mouseMove = function (evt) {\n  if (!started) { return; }\n  if (evt.button === 1 || canvas.spaceKey) { return; }\n\n  let i, xya, c, cx, cy, dx, dy, len, angle, box,\n    selected = selectedElements[0];\n  const\n    pt = transformPoint(evt.pageX, evt.pageY, rootSctm),\n    mouseX = pt.x * currentZoom,\n    mouseY = pt.y * currentZoom,\n    shape = getElem(getId());\n\n  let realX = mouseX / currentZoom;\n  let x = realX;\n  let realY = mouseY / currentZoom;\n  let y = realY;\n\n  if (curConfig.gridSnapping) {\n    x = snapToGrid(x);\n    y = snapToGrid(y);\n  }\n\n  evt.preventDefault();\n  let tlist;\n  switch (currentMode) {\n  case 'select': {\n    // we temporarily use a translate on the element(s) being dragged\n    // this transform is removed upon mousing up and the element is\n    // relocated to the new location\n    if (selectedElements[0] !== null) {\n      dx = x - startX;\n      dy = y - startY;\n\n      if (curConfig.gridSnapping) {\n        dx = snapToGrid(dx);\n        dy = snapToGrid(dy);\n      }\n\n      /*\n      // Commenting out as currently has no effect\n      if (evt.shiftKey) {\n        xya = snapToAngle(startX, startY, x, y);\n        ({x, y} = xya);\n      }\n      */\n\n      if (dx !== 0 || dy !== 0) {\n        len = selectedElements.length;\n        for (i = 0; i < len; ++i) {\n          selected = selectedElements[i];\n          if (selected == null) { break; }\n          // if (i === 0) {\n          //   const box = utilsGetBBox(selected);\n          //     selectedBBoxes[i].x = box.x + dx;\n          //     selectedBBoxes[i].y = box.y + dy;\n          // }\n\n          // update the dummy transform in our transform list\n          // to be a translate\n          const xform = svgroot.createSVGTransform();\n          tlist = getTransformList(selected);\n          // Note that if Webkit and there's no ID for this\n          // element, the dummy transform may have gotten lost.\n          // This results in unexpected behaviour\n\n          xform.setTranslate(dx, dy);\n          if (tlist.numberOfItems) {\n            tlist.replaceItem(xform, 0);\n          } else {\n            tlist.appendItem(xform);\n          }\n\n          // update our internal bbox that we're tracking while dragging\n          selectorManager.requestSelector(selected).resize();\n        }\n\n        call('transition', selectedElements);\n      }\n    }\n    break;\n  } case 'multiselect': {\n    realX *= currentZoom;\n    realY *= currentZoom;\n    assignAttributes(rubberBox, {\n      x: Math.min(rStartX, realX),\n      y: Math.min(rStartY, realY),\n      width: Math.abs(realX - rStartX),\n      height: Math.abs(realY - rStartY)\n    }, 100);\n\n    // for each selected:\n    // - if newList contains selected, do nothing\n    // - if newList doesn't contain selected, remove it from selected\n    // - for any newList that was not in selectedElements, add it to selected\n    const elemsToRemove = selectedElements.slice(), elemsToAdd = [],\n      newList = getIntersectionList();\n\n    // For every element in the intersection, add if not present in selectedElements.\n    len = newList.length;\n    for (i = 0; i < len; ++i) {\n      const intElem = newList[i];\n      // Found an element that was not selected before, so we should add it.\n      if (!selectedElements.includes(intElem)) {\n        elemsToAdd.push(intElem);\n      }\n      // Found an element that was already selected, so we shouldn't remove it.\n      const foundInd = elemsToRemove.indexOf(intElem);\n      if (foundInd !== -1) {\n        elemsToRemove.splice(foundInd, 1);\n      }\n    }\n\n    if (elemsToRemove.length > 0) {\n      canvas.removeFromSelection(elemsToRemove);\n    }\n\n    if (elemsToAdd.length > 0) {\n      canvas.addToSelection(elemsToAdd);\n    }\n\n    break;\n  } case 'resize': {\n    // we track the resize bounding box and translate/scale the selected element\n    // while the mouse is down, when mouse goes up, we use this to recalculate\n    // the shape's coordinates\n    tlist = getTransformList(selected);\n    const hasMatrix = hasMatrixTransform(tlist);\n    box = hasMatrix ? initBbox : utilsGetBBox(selected);\n    let left = box.x,\n      top = box.y,\n      {width, height} = box;\n    dx = (x - startX);\n    dy = (y - startY);\n\n    if (curConfig.gridSnapping) {\n      dx = snapToGrid(dx);\n      dy = snapToGrid(dy);\n      height = snapToGrid(height);\n      width = snapToGrid(width);\n    }\n\n    // if rotated, adjust the dx,dy values\n    angle = getRotationAngle(selected);\n    if (angle) {\n      const r = Math.sqrt(dx * dx + dy * dy),\n        theta = Math.atan2(dy, dx) - angle * Math.PI / 180.0;\n      dx = r * Math.cos(theta);\n      dy = r * Math.sin(theta);\n    }\n\n    // if not stretching in y direction, set dy to 0\n    // if not stretching in x direction, set dx to 0\n    if (!currentResizeMode.includes('n') && !currentResizeMode.includes('s')) {\n      dy = 0;\n    }\n    if (!currentResizeMode.includes('e') && !currentResizeMode.includes('w')) {\n      dx = 0;\n    }\n\n    let // ts = null,\n      tx = 0, ty = 0,\n      sy = height ? (height + dy) / height : 1,\n      sx = width ? (width + dx) / width : 1;\n    // if we are dragging on the north side, then adjust the scale factor and ty\n    if (currentResizeMode.includes('n')) {\n      sy = height ? (height - dy) / height : 1;\n      ty = height;\n    }\n\n    // if we dragging on the east side, then adjust the scale factor and tx\n    if (currentResizeMode.includes('w')) {\n      sx = width ? (width - dx) / width : 1;\n      tx = width;\n    }\n\n    // update the transform list with translate,scale,translate\n    const translateOrigin = svgroot.createSVGTransform(),\n      scale = svgroot.createSVGTransform(),\n      translateBack = svgroot.createSVGTransform();\n\n    if (curConfig.gridSnapping) {\n      left = snapToGrid(left);\n      tx = snapToGrid(tx);\n      top = snapToGrid(top);\n      ty = snapToGrid(ty);\n    }\n\n    translateOrigin.setTranslate(-(left + tx), -(top + ty));\n    if (evt.shiftKey) {\n      if (sx === 1) {\n        sx = sy;\n      } else { sy = sx; }\n    }\n    scale.setScale(sx, sy);\n\n    translateBack.setTranslate(left + tx, top + ty);\n    if (hasMatrix) {\n      const diff = angle ? 1 : 0;\n      tlist.replaceItem(translateOrigin, 2 + diff);\n      tlist.replaceItem(scale, 1 + diff);\n      tlist.replaceItem(translateBack, Number(diff));\n    } else {\n      const N = tlist.numberOfItems;\n      tlist.replaceItem(translateBack, N - 3);\n      tlist.replaceItem(scale, N - 2);\n      tlist.replaceItem(translateOrigin, N - 1);\n    }\n\n    selectorManager.requestSelector(selected).resize();\n\n    call('transition', selectedElements);\n\n    break;\n  } case 'zoom': {\n    realX *= currentZoom;\n    realY *= currentZoom;\n    assignAttributes(rubberBox, {\n      x: Math.min(rStartX * currentZoom, realX),\n      y: Math.min(rStartY * currentZoom, realY),\n      width: Math.abs(realX - rStartX * currentZoom),\n      height: Math.abs(realY - rStartY * currentZoom)\n    }, 100);\n    break;\n  } case 'text': {\n    assignAttributes(shape, {\n      x,\n      y\n    }, 1000);\n    break;\n  } case 'line': {\n    if (curConfig.gridSnapping) {\n      x = snapToGrid(x);\n      y = snapToGrid(y);\n    }\n\n    let x2 = x;\n    let y2 = y;\n\n    if (evt.shiftKey) {\n      xya = snapToAngle(startX, startY, x2, y2);\n      x2 = xya.x;\n      y2 = xya.y;\n    }\n\n    shape.setAttributeNS(null, 'x2', x2);\n    shape.setAttributeNS(null, 'y2', y2);\n    break;\n  } case 'foreignObject':\n    // fall through\n  case 'square':\n    // fall through\n  case 'rect':\n    // fall through\n  case 'image': {\n    const square = (currentMode === 'square') || evt.shiftKey;\n    let\n      w = Math.abs(x - startX),\n      h = Math.abs(y - startY);\n    let newX, newY;\n    if (square) {\n      w = h = Math.max(w, h);\n      newX = startX < x ? startX : startX - w;\n      newY = startY < y ? startY : startY - h;\n    } else {\n      newX = Math.min(startX, x);\n      newY = Math.min(startY, y);\n    }\n\n    if (curConfig.gridSnapping) {\n      w = snapToGrid(w);\n      h = snapToGrid(h);\n      newX = snapToGrid(newX);\n      newY = snapToGrid(newY);\n    }\n\n    assignAttributes(shape, {\n      width: w,\n      height: h,\n      x: newX,\n      y: newY\n    }, 1000);\n\n    break;\n  } case 'circle': {\n    c = $(shape).attr(['cx', 'cy']);\n    ({cx, cy} = c);\n    let rad = Math.sqrt((x - cx) * (x - cx) + (y - cy) * (y - cy));\n    if (curConfig.gridSnapping) {\n      rad = snapToGrid(rad);\n    }\n    shape.setAttributeNS(null, 'r', rad);\n    break;\n  } case 'ellipse': {\n    c = $(shape).attr(['cx', 'cy']);\n    ({cx, cy} = c);\n    if (curConfig.gridSnapping) {\n      x = snapToGrid(x);\n      cx = snapToGrid(cx);\n      y = snapToGrid(y);\n      cy = snapToGrid(cy);\n    }\n    shape.setAttributeNS(null, 'rx', Math.abs(x - cx));\n    const ry = Math.abs(evt.shiftKey ? (x - cx) : (y - cy));\n    shape.setAttributeNS(null, 'ry', ry);\n    break;\n  }\n  case 'fhellipse':\n  case 'fhrect': {\n    freehand.minx = Math.min(realX, freehand.minx);\n    freehand.maxx = Math.max(realX, freehand.maxx);\n    freehand.miny = Math.min(realY, freehand.miny);\n    freehand.maxy = Math.max(realY, freehand.maxy);\n  }\n  // Fallthrough\n  case 'fhpath': {\n    // dAttr += + realX + ',' + realY + ' ';\n    // shape.setAttributeNS(null, 'points', dAttr);\n    end.x = realX; end.y = realY;\n    if (controllPoint2.x && controllPoint2.y) {\n      for (i = 0; i < STEP_COUNT - 1; i++) {\n        parameter = i / STEP_COUNT;\n        nextParameter = (i + 1) / STEP_COUNT;\n        bSpline = getBsplinePoint(nextParameter);\n        nextPos = bSpline;\n        bSpline = getBsplinePoint(parameter);\n        sumDistance += Math.sqrt((nextPos.x - bSpline.x) * (nextPos.x - bSpline.x) + (nextPos.y - bSpline.y) * (nextPos.y - bSpline.y));\n        if (sumDistance > THRESHOLD_DIST) {\n          sumDistance -= THRESHOLD_DIST;\n\n          // Faster than completely re-writing the points attribute.\n          const point = svgcontent.createSVGPoint();\n          point.x = bSpline.x;\n          point.y = bSpline.y;\n          shape.points.appendItem(point);\n        }\n      }\n    }\n    controllPoint2 = {x: controllPoint1.x, y: controllPoint1.y};\n    controllPoint1 = {x: start.x, y: start.y};\n    start = {x: end.x, y: end.y};\n    break;\n  // update path stretch line coordinates\n  } case 'path': {\n  }\n  // fall through\n  case 'pathedit': {\n    x *= currentZoom;\n    y *= currentZoom;\n\n    if (curConfig.gridSnapping) {\n      x = snapToGrid(x);\n      y = snapToGrid(y);\n      startX = snapToGrid(startX);\n      startY = snapToGrid(startY);\n    }\n    if (evt.shiftKey) {\n      const {path} = pathModule;\n      let x1, y1;\n      if (path) {\n        x1 = path.dragging ? path.dragging[0] : startX;\n        y1 = path.dragging ? path.dragging[1] : startY;\n      } else {\n        x1 = startX;\n        y1 = startY;\n      }\n      xya = snapToAngle(x1, y1, x, y);\n      ({x, y} = xya);\n    }\n\n    if (rubberBox && rubberBox.getAttribute('display') !== 'none') {\n      realX *= currentZoom;\n      realY *= currentZoom;\n      assignAttributes(rubberBox, {\n        x: Math.min(rStartX * currentZoom, realX),\n        y: Math.min(rStartY * currentZoom, realY),\n        width: Math.abs(realX - rStartX * currentZoom),\n        height: Math.abs(realY - rStartY * currentZoom)\n      }, 100);\n    }\n    pathActions.mouseMove(x, y);\n\n    break;\n  } case 'textedit': {\n    x *= currentZoom;\n    y *= currentZoom;\n    // if (rubberBox && rubberBox.getAttribute('display') !== 'none') {\n    //   assignAttributes(rubberBox, {\n    //     x: Math.min(startX, x),\n    //     y: Math.min(startY, y),\n    //     width: Math.abs(x - startX),\n    //     height: Math.abs(y - startY)\n    //   }, 100);\n    // }\n\n    textActions.mouseMove(mouseX, mouseY);\n\n    break;\n  } case 'rotate': {\n    box = utilsGetBBox(selected);\n    cx = box.x + box.width / 2;\n    cy = box.y + box.height / 2;\n    const m = getMatrix(selected),\n      center = transformPoint(cx, cy, m);\n    cx = center.x;\n    cy = center.y;\n    angle = ((Math.atan2(cy - y, cx - x) * (180 / Math.PI)) - 90) % 360;\n    if (curConfig.gridSnapping) {\n      angle = snapToGrid(angle);\n    }\n    if (evt.shiftKey) { // restrict rotations to nice angles (WRS)\n      const snap = 45;\n      angle = Math.round(angle / snap) * snap;\n    }\n\n    canvas.setRotationAngle(angle < -180 ? (360 + angle) : angle, true);\n    call('transition', selectedElements);\n    break;\n  } default:\n    break;\n  }\n\n  /**\n  * The mouse has moved on the canvas area\n  * @event module:svgcanvas.SvgCanvas#event:ext-mouseMove\n  * @type {PlainObject}\n  * @property {MouseEvent} event The event object\n  * @property {Float} mouse_x x coordinate on canvas\n  * @property {Float} mouse_y y coordinate on canvas\n  * @property {Element} selected Refers to the first selected element\n  */\n  runExtensions('mouseMove', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseMove} */ {\n    event: evt,\n    mouse_x: mouseX,\n    mouse_y: mouseY,\n    selected\n  });\n}; // mouseMove()\n\n// - in create mode, the element's opacity is set properly, we create an InsertElementCommand\n// and store it on the Undo stack\n// - in move/resize mode, the element's attributes which were affected by the move/resize are\n// identified, a ChangeElementCommand is created and stored on the stack for those attrs\n// this is done in when we recalculate the selected dimensions()\n/**\n *\n * @param {MouseEvent} evt\n * @fires module:svgcanvas.SvgCanvas#event:zoomed\n * @fires module:svgcanvas.SvgCanvas#event:changed\n * @fires module:svgcanvas.SvgCanvas#event:ext-mouseUp\n * @returns {undefined}\n */\nconst mouseUp = function (evt) {\n  if (evt.button === 2) { return; }\n  const tempJustSelected = justSelected;\n  justSelected = null;\n  if (!started) { return; }\n  const pt = transformPoint(evt.pageX, evt.pageY, rootSctm),\n    mouseX = pt.x * currentZoom,\n    mouseY = pt.y * currentZoom,\n    x = mouseX / currentZoom,\n    y = mouseY / currentZoom;\n\n  let element = getElem(getId());\n  let keep = false;\n\n  const realX = x;\n  const realY = y;\n\n  // TODO: Make true when in multi-unit mode\n  const useUnit = false; // (curConfig.baseUnit !== 'px');\n  started = false;\n  let attrs, t;\n  switch (currentMode) {\n  // intentionally fall-through to select here\n  case 'resize':\n  case 'multiselect':\n    if (rubberBox != null) {\n      rubberBox.setAttribute('display', 'none');\n      curBBoxes = [];\n    }\n    currentMode = 'select';\n    // Fallthrough\n  case 'select':\n    if (selectedElements[0] != null) {\n      // if we only have one selected element\n      if (selectedElements[1] == null) {\n        // set our current stroke/fill properties to the element's\n        const selected = selectedElements[0];\n        switch (selected.tagName) {\n        case 'g':\n        case 'use':\n        case 'image':\n        case 'foreignObject':\n          break;\n        default:\n          curProperties.fill = selected.getAttribute('fill');\n          curProperties.fill_opacity = selected.getAttribute('fill-opacity');\n          curProperties.stroke = selected.getAttribute('stroke');\n          curProperties.stroke_opacity = selected.getAttribute('stroke-opacity');\n          curProperties.stroke_width = selected.getAttribute('stroke-width');\n          curProperties.stroke_dasharray = selected.getAttribute('stroke-dasharray');\n          curProperties.stroke_linejoin = selected.getAttribute('stroke-linejoin');\n          curProperties.stroke_linecap = selected.getAttribute('stroke-linecap');\n        }\n\n        if (selected.tagName === 'text') {\n          curText.font_size = selected.getAttribute('font-size');\n          curText.font_family = selected.getAttribute('font-family');\n        }\n        selectorManager.requestSelector(selected).showGrips(true);\n\n        // This shouldn't be necessary as it was done on mouseDown...\n        // call('selected', [selected]);\n      }\n      // always recalculate dimensions to strip off stray identity transforms\n      recalculateAllSelectedDimensions();\n      // if it was being dragged/resized\n      if (realX !== rStartX || realY !== rStartY) {\n        const len = selectedElements.length;\n        for (let i = 0; i < len; ++i) {\n          if (selectedElements[i] == null) { break; }\n          if (!selectedElements[i].firstChild) {\n            // Not needed for groups (incorrectly resizes elems), possibly not needed at all?\n            selectorManager.requestSelector(selectedElements[i]).resize();\n          }\n        }\n      // no change in position/size, so maybe we should move to pathedit\n      } else {\n        t = evt.target;\n        if (selectedElements[0].nodeName === 'path' && selectedElements[1] == null) {\n          pathActions.select(selectedElements[0]);\n        // if it was a path\n        // else, if it was selected and this is a shift-click, remove it from selection\n        } else if (evt.shiftKey) {\n          if (tempJustSelected !== t) {\n            canvas.removeFromSelection([t]);\n          }\n        }\n      } // no change in mouse position\n\n      // Remove non-scaling stroke\n      if (supportsNonScalingStroke()) {\n        const elem = selectedElements[0];\n        if (elem) {\n          elem.removeAttribute('style');\n          walkTree(elem, function (elem) {\n            elem.removeAttribute('style');\n          });\n        }\n      }\n    }\n    return;\n  case 'zoom':\n    if (rubberBox != null) {\n      rubberBox.setAttribute('display', 'none');\n    }\n    const factor = evt.shiftKey ? 0.5 : 2;\n    call('zoomed', {\n      x: Math.min(rStartX, realX),\n      y: Math.min(rStartY, realY),\n      width: Math.abs(realX - rStartX),\n      height: Math.abs(realY - rStartY),\n      factor\n    });\n    return;\n  case 'fhpath':\n    // Check that the path contains at least 2 points; a degenerate one-point path\n    // causes problems.\n    // Webkit ignores how we set the points attribute with commas and uses space\n    // to separate all coordinates, see https://bugs.webkit.org/show_bug.cgi?id=29870\n    sumDistance = 0;\n    controllPoint2 = {x: 0, y: 0};\n    controllPoint1 = {x: 0, y: 0};\n    start = {x: 0, y: 0};\n    end = {x: 0, y: 0};\n    const coords = element.getAttribute('points');\n    const commaIndex = coords.indexOf(',');\n    if (commaIndex >= 0) {\n      keep = coords.indexOf(',', commaIndex + 1) >= 0;\n    } else {\n      keep = coords.indexOf(' ', coords.indexOf(' ') + 1) >= 0;\n    }\n    if (keep) {\n      element = pathActions.smoothPolylineIntoPath(element);\n    }\n    break;\n  case 'line':\n    attrs = $(element).attr(['x1', 'x2', 'y1', 'y2']);\n    keep = (attrs.x1 !== attrs.x2 || attrs.y1 !== attrs.y2);\n    break;\n  case 'foreignObject':\n  case 'square':\n  case 'rect':\n  case 'image':\n    attrs = $(element).attr(['width', 'height']);\n    // Image should be kept regardless of size (use inherit dimensions later)\n    keep = (attrs.width || attrs.height) || currentMode === 'image';\n    break;\n  case 'circle':\n    keep = (element.getAttribute('r') !== '0');\n    break;\n  case 'ellipse':\n    attrs = $(element).attr(['rx', 'ry']);\n    keep = (attrs.rx || attrs.ry);\n    break;\n  case 'fhellipse':\n    if ((freehand.maxx - freehand.minx) > 0 &&\n      (freehand.maxy - freehand.miny) > 0) {\n      element = addSVGElementFromJson({\n        element: 'ellipse',\n        curStyles: true,\n        attr: {\n          cx: (freehand.minx + freehand.maxx) / 2,\n          cy: (freehand.miny + freehand.maxy) / 2,\n          rx: (freehand.maxx - freehand.minx) / 2,\n          ry: (freehand.maxy - freehand.miny) / 2,\n          id: getId()\n        }\n      });\n      call('changed', [element]);\n      keep = true;\n    }\n    break;\n  case 'fhrect':\n    if ((freehand.maxx - freehand.minx) > 0 &&\n      (freehand.maxy - freehand.miny) > 0) {\n      element = addSVGElementFromJson({\n        element: 'rect',\n        curStyles: true,\n        attr: {\n          x: freehand.minx,\n          y: freehand.miny,\n          width: (freehand.maxx - freehand.minx),\n          height: (freehand.maxy - freehand.miny),\n          id: getId()\n        }\n      });\n      call('changed', [element]);\n      keep = true;\n    }\n    break;\n  case 'text':\n    keep = true;\n    selectOnly([element]);\n    textActions.start(element);\n    break;\n  case 'path':\n    // set element to null here so that it is not removed nor finalized\n    element = null;\n    // continue to be set to true so that mouseMove happens\n    started = true;\n\n    const res = pathActions.mouseUp(evt, element, mouseX, mouseY);\n    ({element} = res);\n    ({keep} = res);\n    break;\n  case 'pathedit':\n    keep = true;\n    element = null;\n    pathActions.mouseUp(evt);\n    break;\n  case 'textedit':\n    keep = false;\n    element = null;\n    textActions.mouseUp(evt, mouseX, mouseY);\n    break;\n  case 'rotate':\n    keep = true;\n    element = null;\n    currentMode = 'select';\n    const batchCmd = canvas.undoMgr.finishUndoableChange();\n    if (!batchCmd.isEmpty()) {\n      addCommandToHistory(batchCmd);\n    }\n    // perform recalculation to weed out any stray identity transforms that might get stuck\n    recalculateAllSelectedDimensions();\n    call('changed', selectedElements);\n    break;\n  default:\n    // This could occur in an extension\n    break;\n  }\n\n  /**\n  * The main (left) mouse button is released (anywhere)\n  * @event module:svgcanvas.SvgCanvas#event:ext-mouseUp\n  * @type {PlainObject}\n  * @property {MouseEvent} event The event object\n  * @property {Float} mouse_x x coordinate on canvas\n  * @property {Float} mouse_y y coordinate on canvas\n  */\n  const extResult = runExtensions('mouseUp', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseUp} */ {\n    event: evt,\n    mouse_x: mouseX,\n    mouse_y: mouseY\n  }, true);\n\n  $.each(extResult, function (i, r) {\n    if (r) {\n      keep = r.keep || keep;\n      ({element} = r);\n      started = r.started || started;\n    }\n  });\n\n  if (!keep && element != null) {\n    getCurrentDrawing().releaseId(getId());\n    element.remove();\n    element = null;\n\n    t = evt.target;\n\n    // if this element is in a group, go up until we reach the top-level group\n    // just below the layer groups\n    // TODO: once we implement links, we also would have to check for <a> elements\n    while (t && t.parentNode && t.parentNode.parentNode && t.parentNode.parentNode.tagName === 'g') {\n      t = t.parentNode;\n    }\n    // if we are not in the middle of creating a path, and we've clicked on some shape,\n    // then go to Select mode.\n    // WebKit returns <div> when the canvas is clicked, Firefox/Opera return <svg>\n    if ((currentMode !== 'path' || !drawnPath) &&\n      t && t.parentNode &&\n      t.parentNode.id !== 'selectorParentGroup' &&\n      t.id !== 'svgcanvas' && t.id !== 'svgroot'\n    ) {\n      // switch into \"select\" mode if we've clicked on an element\n      canvas.setMode('select');\n      selectOnly([t], true);\n    }\n  } else if (element != null) {\n    /**\n    * @name module:svgcanvas.SvgCanvas#addedNew\n    * @type {boolean}\n    */\n    canvas.addedNew = true;\n\n    if (useUnit) { convertAttrs(element); }\n\n    let aniDur = 0.2;\n    let cAni;\n    if (opacAni.beginElement && parseFloat(element.getAttribute('opacity')) !== curShape.opacity) {\n      cAni = $(opacAni).clone().attr({\n        to: curShape.opacity,\n        dur: aniDur\n      }).appendTo(element);\n      try {\n        // Fails in FF4 on foreignObject\n        cAni[0].beginElement();\n      } catch (e) {}\n    } else {\n      aniDur = 0;\n    }\n\n    // Ideally this would be done on the endEvent of the animation,\n    // but that doesn't seem to be supported in Webkit\n    setTimeout(function () {\n      if (cAni) { cAni.remove(); }\n      element.setAttribute('opacity', curShape.opacity);\n      element.setAttribute('style', 'pointer-events:inherit');\n      cleanupElement(element);\n      if (currentMode === 'path') {\n        pathActions.toEditMode(element);\n      } else if (curConfig.selectNew) {\n        selectOnly([element], true);\n      }\n      // we create the insert command that is stored on the stack\n      // undo means to call cmd.unapply(), redo means to call cmd.apply()\n      addCommandToHistory(new InsertElementCommand(element));\n\n      call('changed', [element]);\n    }, aniDur * 1000);\n  }\n\n  startTransform = null;\n};\n\nconst dblClick = function (evt) {\n  const evtTarget = evt.target;\n  const parent = evtTarget.parentNode;\n\n  // Do nothing if already in current group\n  if (parent === currentGroup) { return; }\n\n  let mouseTarget = getMouseTarget(evt);\n  const {tagName} = mouseTarget;\n\n  if (tagName === 'text' && currentMode !== 'textedit') {\n    const pt = transformPoint(evt.pageX, evt.pageY, rootSctm);\n    textActions.select(mouseTarget, pt.x, pt.y);\n  }\n\n  if ((tagName === 'g' || tagName === 'a') &&\n    getRotationAngle(mouseTarget)\n  ) {\n    // TODO: Allow method of in-group editing without having to do\n    // this (similar to editing rotated paths)\n\n    // Ungroup and regroup\n    pushGroupProperties(mouseTarget);\n    mouseTarget = selectedElements[0];\n    clearSelection(true);\n  }\n  // Reset context\n  if (currentGroup) {\n    draw.leaveContext();\n  }\n\n  if ((parent.tagName !== 'g' && parent.tagName !== 'a') ||\n    parent === getCurrentDrawing().getCurrentLayer() ||\n    mouseTarget === selectorManager.selectorParentGroup\n  ) {\n    // Escape from in-group edit\n    return;\n  }\n  draw.setContext(mouseTarget);\n};\n\n// prevent links from being followed in the canvas\nconst handleLinkInCanvas = function (e) {\n  e.preventDefault();\n  return false;\n};\n\n// Added mouseup to the container here.\n// TODO(codedread): Figure out why after the Closure compiler, the window mouseup is ignored.\n$(container).mousedown(mouseDown).mousemove(mouseMove).click(handleLinkInCanvas).dblclick(dblClick).mouseup(mouseUp);\n// $(window).mouseup(mouseUp);\n\n// TODO(rafaelcastrocouto): User preference for shift key and zoom factor\n$(container).bind(\n  'mousewheel DOMMouseScroll',\n  /**\n   * @param {Event} e\n   * @fires module:svgcanvas.SvgCanvas#event:updateCanvas\n   * @fires module:svgcanvas.SvgCanvas#event:zoomDone\n   * @returns {undefined}\n   */\n  function (e) {\n    if (!e.shiftKey) { return; }\n\n    e.preventDefault();\n    const evt = e.originalEvent;\n\n    rootSctm = $('#svgcontent g')[0].getScreenCTM().inverse();\n\n    const workarea = $('#workarea');\n    const scrbar = 15;\n    const rulerwidth = curConfig.showRulers ? 16 : 0;\n\n    // mouse relative to content area in content pixels\n    const pt = transformPoint(evt.pageX, evt.pageY, rootSctm);\n\n    // full work area width in screen pixels\n    const editorFullW = workarea.width();\n    const editorFullH = workarea.height();\n\n    // work area width minus scroll and ruler in screen pixels\n    const editorW = editorFullW - scrbar - rulerwidth;\n    const editorH = editorFullH - scrbar - rulerwidth;\n\n    // work area width in content pixels\n    const workareaViewW = editorW * rootSctm.a;\n    const workareaViewH = editorH * rootSctm.d;\n\n    // content offset from canvas in screen pixels\n    const wOffset = workarea.offset();\n    const wOffsetLeft = wOffset['left'] + rulerwidth;\n    const wOffsetTop = wOffset['top'] + rulerwidth;\n\n    const delta = (evt.wheelDelta) ? evt.wheelDelta : (evt.detail) ? -evt.detail : 0;\n    if (!delta) { return; }\n\n    let factor = Math.max(3 / 4, Math.min(4 / 3, (delta)));\n\n    let wZoom, hZoom;\n    if (factor > 1) {\n      wZoom = Math.ceil(editorW / workareaViewW * factor * 100) / 100;\n      hZoom = Math.ceil(editorH / workareaViewH * factor * 100) / 100;\n    } else {\n      wZoom = Math.floor(editorW / workareaViewW * factor * 100) / 100;\n      hZoom = Math.floor(editorH / workareaViewH * factor * 100) / 100;\n    }\n    let zoomlevel = Math.min(wZoom, hZoom);\n    zoomlevel = Math.min(10, Math.max(0.01, zoomlevel));\n    if (zoomlevel === currentZoom) {\n      return;\n    }\n    factor = zoomlevel / currentZoom;\n\n    // top left of workarea in content pixels before zoom\n    const topLeftOld = transformPoint(wOffsetLeft, wOffsetTop, rootSctm);\n\n    // top left of workarea in content pixels after zoom\n    const topLeftNew = {\n      x: pt.x - (pt.x - topLeftOld.x) / factor,\n      y: pt.y - (pt.y - topLeftOld.y) / factor\n    };\n\n    // top left of workarea in canvas pixels relative to content after zoom\n    const topLeftNewCanvas = {\n      x: topLeftNew.x * zoomlevel,\n      y: topLeftNew.y * zoomlevel\n    };\n\n    // new center in canvas pixels\n    const newCtr = {\n      x: topLeftNewCanvas.x - rulerwidth + editorFullW / 2,\n      y: topLeftNewCanvas.y - rulerwidth + editorFullH / 2\n    };\n\n    canvas.setZoom(zoomlevel);\n    $('#zoom').val((zoomlevel * 100).toFixed(1));\n\n    call('updateCanvas', {center: false, newCtr});\n    call('zoomDone');\n  }\n);\n}());\n\n/**\n* Group: Text edit functions\n* Functions relating to editing text elements\n* @namespace {PlainObject} textActions\n* @memberof module:svgcanvas.SvgCanvas#\n*/\nconst textActions = canvas.textActions = (function () {\nlet curtext;\nlet textinput;\nlet cursor;\nlet selblock;\nlet blinker;\nlet chardata = [];\nlet textbb; // , transbb;\nlet matrix;\nlet lastX, lastY;\nlet allowDbl;\n\nfunction setCursor (index) {\n  const empty = (textinput.value === '');\n  $(textinput).focus();\n\n  if (!arguments.length) {\n    if (empty) {\n      index = 0;\n    } else {\n      if (textinput.selectionEnd !== textinput.selectionStart) { return; }\n      index = textinput.selectionEnd;\n    }\n  }\n\n  const charbb = chardata[index];\n  if (!empty) {\n    textinput.setSelectionRange(index, index);\n  }\n  cursor = getElem('text_cursor');\n  if (!cursor) {\n    cursor = document.createElementNS(NS.SVG, 'line');\n    assignAttributes(cursor, {\n      id: 'text_cursor',\n      stroke: '#333',\n      'stroke-width': 1\n    });\n    cursor = getElem('selectorParentGroup').appendChild(cursor);\n  }\n\n  if (!blinker) {\n    blinker = setInterval(function () {\n      const show = (cursor.getAttribute('display') === 'none');\n      cursor.setAttribute('display', show ? 'inline' : 'none');\n    }, 600);\n  }\n\n  const startPt = ptToScreen(charbb.x, textbb.y);\n  const endPt = ptToScreen(charbb.x, (textbb.y + textbb.height));\n\n  assignAttributes(cursor, {\n    x1: startPt.x,\n    y1: startPt.y,\n    x2: endPt.x,\n    y2: endPt.y,\n    visibility: 'visible',\n    display: 'inline'\n  });\n\n  if (selblock) { selblock.setAttribute('d', ''); }\n}\n\nfunction setSelection (start, end, skipInput) {\n  if (start === end) {\n    setCursor(end);\n    return;\n  }\n\n  if (!skipInput) {\n    textinput.setSelectionRange(start, end);\n  }\n\n  selblock = getElem('text_selectblock');\n  if (!selblock) {\n    selblock = document.createElementNS(NS.SVG, 'path');\n    assignAttributes(selblock, {\n      id: 'text_selectblock',\n      fill: 'green',\n      opacity: 0.5,\n      style: 'pointer-events:none'\n    });\n    getElem('selectorParentGroup').append(selblock);\n  }\n\n  const startbb = chardata[start];\n  const endbb = chardata[end];\n\n  cursor.setAttribute('visibility', 'hidden');\n\n  const tl = ptToScreen(startbb.x, textbb.y),\n    tr = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y),\n    bl = ptToScreen(startbb.x, textbb.y + textbb.height),\n    br = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y + textbb.height);\n\n  const dstr = 'M' + tl.x + ',' + tl.y +\n    ' L' + tr.x + ',' + tr.y +\n    ' ' + br.x + ',' + br.y +\n    ' ' + bl.x + ',' + bl.y + 'z';\n\n  assignAttributes(selblock, {\n    d: dstr,\n    display: 'inline'\n  });\n}\n\nfunction getIndexFromPoint (mouseX, mouseY) {\n  // Position cursor here\n  const pt = svgroot.createSVGPoint();\n  pt.x = mouseX;\n  pt.y = mouseY;\n\n  // No content, so return 0\n  if (chardata.length === 1) { return 0; }\n  // Determine if cursor should be on left or right of character\n  let charpos = curtext.getCharNumAtPosition(pt);\n  if (charpos < 0) {\n    // Out of text range, look at mouse coords\n    charpos = chardata.length - 2;\n    if (mouseX <= chardata[0].x) {\n      charpos = 0;\n    }\n  } else if (charpos >= chardata.length - 2) {\n    charpos = chardata.length - 2;\n  }\n  const charbb = chardata[charpos];\n  const mid = charbb.x + (charbb.width / 2);\n  if (mouseX > mid) {\n    charpos++;\n  }\n  return charpos;\n}\n\nfunction setCursorFromPoint (mouseX, mouseY) {\n  setCursor(getIndexFromPoint(mouseX, mouseY));\n}\n\nfunction setEndSelectionFromPoint (x, y, apply) {\n  const i1 = textinput.selectionStart;\n  const i2 = getIndexFromPoint(x, y);\n\n  const start = Math.min(i1, i2);\n  const end = Math.max(i1, i2);\n  setSelection(start, end, !apply);\n}\n\nfunction screenToPt (xIn, yIn) {\n  const out = {\n    x: xIn,\n    y: yIn\n  };\n\n  out.x /= currentZoom;\n  out.y /= currentZoom;\n\n  if (matrix) {\n    const pt = transformPoint(out.x, out.y, matrix.inverse());\n    out.x = pt.x;\n    out.y = pt.y;\n  }\n\n  return out;\n}\n\nfunction ptToScreen (xIn, yIn) {\n  const out = {\n    x: xIn,\n    y: yIn\n  };\n\n  if (matrix) {\n    const pt = transformPoint(out.x, out.y, matrix);\n    out.x = pt.x;\n    out.y = pt.y;\n  }\n\n  out.x *= currentZoom;\n  out.y *= currentZoom;\n\n  return out;\n}\n\n/*\n// Not currently in use\nfunction hideCursor () {\n  if (cursor) {\n    cursor.setAttribute('visibility', 'hidden');\n  }\n}\n*/\n\nfunction selectAll (evt) {\n  setSelection(0, curtext.textContent.length);\n  $(this).unbind(evt);\n}\n\nfunction selectWord (evt) {\n  if (!allowDbl || !curtext) { return; }\n\n  const ept = transformPoint(evt.pageX, evt.pageY, rootSctm),\n    mouseX = ept.x * currentZoom,\n    mouseY = ept.y * currentZoom;\n  const pt = screenToPt(mouseX, mouseY);\n\n  const index = getIndexFromPoint(pt.x, pt.y);\n  const str = curtext.textContent;\n  const first = str.substr(0, index).replace(/[a-z0-9]+$/i, '').length;\n  const m = str.substr(index).match(/^[a-z0-9]+/i);\n  const last = (m ? m[0].length : 0) + index;\n  setSelection(first, last);\n\n  // Set tripleclick\n  $(evt.target).click(selectAll);\n  setTimeout(function () {\n    $(evt.target).unbind('click', selectAll);\n  }, 300);\n}\n\nreturn /** @lends module:svgcanvas.SvgCanvas#textActions */ {\n  /**\n  * @param {Element} target\n  * @param {Float} x\n  * @param {Float} y\n  * @returns {undefined}\n  */\n  select (target, x, y) {\n    curtext = target;\n    textActions.toEditMode(x, y);\n  },\n  /**\n  * @param {Element} elem\n  * @returns {undefined}\n  */\n  start (elem) {\n    curtext = elem;\n    textActions.toEditMode();\n  },\n  /**\n  * @param {external:MouseEvent} evt\n  * @param {Element} mouseTarget\n  * @param {Float} startX\n  * @param {Float} startY\n  * @returns {undefined}\n  */\n  mouseDown (evt, mouseTarget, startX, startY) {\n    const pt = screenToPt(startX, startY);\n\n    textinput.focus();\n    setCursorFromPoint(pt.x, pt.y);\n    lastX = startX;\n    lastY = startY;\n\n    // TODO: Find way to block native selection\n  },\n  /**\n  * @param {Float} mouseX\n  * @param {Float} mouseY\n  * @returns {undefined}\n  */\n  mouseMove (mouseX, mouseY) {\n    const pt = screenToPt(mouseX, mouseY);\n    setEndSelectionFromPoint(pt.x, pt.y);\n  },\n  /**\n  * @param {external:MouseEvent}\n  * @param {Float} mouseX\n  * @param {Float} mouseY\n  * @returns {undefined}\n  */\n  mouseUp (evt, mouseX, mouseY) {\n    const pt = screenToPt(mouseX, mouseY);\n\n    setEndSelectionFromPoint(pt.x, pt.y, true);\n\n    // TODO: Find a way to make this work: Use transformed BBox instead of evt.target\n    // if (lastX === mouseX && lastY === mouseY\n    //   && !rectsIntersect(transbb, {x: pt.x, y: pt.y, width: 0, height: 0})) {\n    //   textActions.toSelectMode(true);\n    // }\n\n    if (\n      evt.target !== curtext &&\n      mouseX < lastX + 2 &&\n      mouseX > lastX - 2 &&\n      mouseY < lastY + 2 &&\n      mouseY > lastY - 2\n    ) {\n      textActions.toSelectMode(true);\n    }\n  },\n  /**\n  * @function\n  * @param {Integer} index\n  * @returns {undefined}\n  */\n  setCursor,\n  /**\n  * @param {Float} x\n  * @param {Float} y\n  * @returns {undefined}\n  */\n  toEditMode (x, y) {\n    allowDbl = false;\n    currentMode = 'textedit';\n    selectorManager.requestSelector(curtext).showGrips(false);\n    // Make selector group accept clicks\n    /* const selector = */ selectorManager.requestSelector(curtext); // Do we need this? Has side effect of setting lock, so keeping for now, but next line wasn't being used\n    // const sel = selector.selectorRect;\n\n    textActions.init();\n\n    $(curtext).css('cursor', 'text');\n\n    // if (supportsEditableText()) {\n    //   curtext.setAttribute('editable', 'simple');\n    //   return;\n    // }\n\n    if (!arguments.length) {\n      setCursor();\n    } else {\n      const pt = screenToPt(x, y);\n      setCursorFromPoint(pt.x, pt.y);\n    }\n\n    setTimeout(function () {\n      allowDbl = true;\n    }, 300);\n  },\n  /**\n  * @param {boolean|Element} selectElem\n  * @fires module:svgcanvas.SvgCanvas#event:selected\n  * @returns {undefined}\n  */\n  toSelectMode (selectElem) {\n    currentMode = 'select';\n    clearInterval(blinker);\n    blinker = null;\n    if (selblock) { $(selblock).attr('display', 'none'); }\n    if (cursor) { $(cursor).attr('visibility', 'hidden'); }\n    $(curtext).css('cursor', 'move');\n\n    if (selectElem) {\n      clearSelection();\n      $(curtext).css('cursor', 'move');\n\n      call('selected', [curtext]);\n      addToSelection([curtext], true);\n    }\n    if (curtext && !curtext.textContent.length) {\n      // No content, so delete\n      canvas.deleteSelectedElements();\n    }\n\n    $(textinput).blur();\n\n    curtext = false;\n\n    // if (supportsEditableText()) {\n    //   curtext.removeAttribute('editable');\n    // }\n  },\n  /**\n  * @param {Element} elem\n  * @returns {undefined}\n  */\n  setInputElem (elem) {\n    textinput = elem;\n    // $(textinput).blur(hideCursor);\n  },\n  /**\n  * @returns {undefined}\n  */\n  clear () {\n    if (currentMode === 'textedit') {\n      textActions.toSelectMode();\n    }\n  },\n  /**\n  * @param {Element} inputElem Not in use\n  * @returns {undefined}\n  */\n  init (inputElem) {\n    if (!curtext) { return; }\n    let i, end;\n    // if (supportsEditableText()) {\n    //   curtext.select();\n    //   return;\n    // }\n\n    if (!curtext.parentNode) {\n      // Result of the ffClone, need to get correct element\n      curtext = selectedElements[0];\n      selectorManager.requestSelector(curtext).showGrips(false);\n    }\n\n    const str = curtext.textContent;\n    const len = str.length;\n\n    const xform = curtext.getAttribute('transform');\n\n    textbb = utilsGetBBox(curtext);\n\n    matrix = xform ? getMatrix(curtext) : null;\n\n    chardata = [];\n    chardata.length = len;\n    textinput.focus();\n\n    $(curtext).unbind('dblclick', selectWord).dblclick(selectWord);\n\n    if (!len) {\n      end = {x: textbb.x + (textbb.width / 2), width: 0};\n    }\n\n    for (i = 0; i < len; i++) {\n      const start = curtext.getStartPositionOfChar(i);\n      end = curtext.getEndPositionOfChar(i);\n\n      if (!supportsGoodTextCharPos()) {\n        const offset = canvas.contentW * currentZoom;\n        start.x -= offset;\n        end.x -= offset;\n\n        start.x /= currentZoom;\n        end.x /= currentZoom;\n      }\n\n      // Get a \"bbox\" equivalent for each character. Uses the\n      // bbox data of the actual text for y, height purposes\n\n      // TODO: Decide if y, width and height are actually necessary\n      chardata[i] = {\n        x: start.x,\n        y: textbb.y, // start.y?\n        width: end.x - start.x,\n        height: textbb.height\n      };\n    }\n\n    // Add a last bbox for cursor at end of text\n    chardata.push({\n      x: end.x,\n      width: 0\n    });\n    setSelection(textinput.selectionStart, textinput.selectionEnd, true);\n  }\n};\n}());\n\n/**\n* Group: Serialization\n*/\n\n/**\n* Looks at DOM elements inside the `<defs>` to see if they are referred to,\n* removes them from the DOM if they are not.\n* @function module:svgcanvas.SvgCanvas#removeUnusedDefElems\n* @returns {Integer} The number of elements that were removed\n*/\nconst removeUnusedDefElems = this.removeUnusedDefElems = function () {\n  const defs = svgcontent.getElementsByTagNameNS(NS.SVG, 'defs');\n  if (!defs || !defs.length) { return 0; }\n\n  // if (!defs.firstChild) { return; }\n\n  const defelemUses = [];\n  let numRemoved = 0;\n  const attrs = ['fill', 'stroke', 'filter', 'marker-start', 'marker-mid', 'marker-end'];\n  const alen = attrs.length;\n\n  const allEls = svgcontent.getElementsByTagNameNS(NS.SVG, '*');\n  const allLen = allEls.length;\n\n  let i, j;\n  for (i = 0; i < allLen; i++) {\n    const el = allEls[i];\n    for (j = 0; j < alen; j++) {\n      const ref = getUrlFromAttr(el.getAttribute(attrs[j]));\n      if (ref) {\n        defelemUses.push(ref.substr(1));\n      }\n    }\n\n    // gradients can refer to other gradients\n    const href = getHref(el);\n    if (href && href.startsWith('#')) {\n      defelemUses.push(href.substr(1));\n    }\n  }\n\n  const defelems = $(defs).find('linearGradient, radialGradient, filter, marker, svg, symbol');\n  i = defelems.length;\n  while (i--) {\n    const defelem = defelems[i];\n    const {id} = defelem;\n    if (!defelemUses.includes(id)) {\n      // Not found, so remove (but remember)\n      removedElements[id] = defelem;\n      defelem.remove();\n      numRemoved++;\n    }\n  }\n\n  return numRemoved;\n};\n\n/**\n* Main function to set up the SVG content for output\n* @function module:svgcanvas.SvgCanvas#svgCanvasToString\n* @returns {string} The SVG image for output\n*/\nthis.svgCanvasToString = function () {\n  // keep calling it until there are none to remove\n  while (removeUnusedDefElems() > 0) {}\n\n  pathActions.clear(true);\n\n  // Keep SVG-Edit comment on top\n  $.each(svgcontent.childNodes, function (i, node) {\n    if (i && node.nodeType === 8 && node.data.includes('Created with')) {\n      svgcontent.firstChild.before(node);\n    }\n  });\n\n  // Move out of in-group editing mode\n  if (currentGroup) {\n    draw.leaveContext();\n    selectOnly([currentGroup]);\n  }\n\n  const nakedSvgs = [];\n\n  // Unwrap gsvg if it has no special attributes (only id and style)\n  $(svgcontent).find('g:data(gsvg)').each(function () {\n    const attrs = this.attributes;\n    let len = attrs.length;\n    for (let i = 0; i < len; i++) {\n      if (attrs[i].nodeName === 'id' || attrs[i].nodeName === 'style') {\n        len--;\n      }\n    }\n    // No significant attributes, so ungroup\n    if (len <= 0) {\n      const svg = this.firstChild;\n      nakedSvgs.push(svg);\n      $(this).replaceWith(svg);\n    }\n  });\n  const output = this.svgToString(svgcontent, 0);\n\n  // Rewrap gsvg\n  if (nakedSvgs.length) {\n    $(nakedSvgs).each(function () {\n      groupSvgElem(this);\n    });\n  }\n\n  return output;\n};\n\n/**\n* Sub function ran on each SVG element to convert it to a string as desired\n* @function module:svgcanvas.SvgCanvas#svgToString\n* @param {Element} elem - The SVG element to convert\n* @param {Integer} indent - Number of spaces to indent this tag\n* @returns {string} The given element as an SVG tag\n*/\nthis.svgToString = function (elem, indent) {\n  const out = [];\n  const unit = curConfig.baseUnit;\n  const unitRe = new RegExp('^-?[\\\\d\\\\.]+' + unit + '$');\n\n  if (elem) {\n    cleanupElement(elem);\n    const attrs = Array.from(elem.attributes);\n    let i;\n    const childs = elem.childNodes;\n    attrs.sort((a, b) => a.name > b.name ? -1 : 1);\n\n    for (i = 0; i < indent; i++) { out.push(' '); }\n    out.push('<'); out.push(elem.nodeName);\n    if (elem.id === 'svgcontent') {\n      // Process root element separately\n      const res = getResolution();\n\n      const vb = '';\n      // TODO: Allow this by dividing all values by current baseVal\n      // Note that this also means we should properly deal with this on import\n      // if (curConfig.baseUnit !== 'px') {\n      //   const unit = curConfig.baseUnit;\n      //   const unitM = getTypeMap()[unit];\n      //   res.w = shortFloat(res.w / unitM);\n      //   res.h = shortFloat(res.h / unitM);\n      //   vb = ' viewBox=\"' + [0, 0, res.w, res.h].join(' ') + '\"';\n      //   res.w += unit;\n      //   res.h += unit;\n      // }\n\n      if (unit !== 'px') {\n        res.w = convertUnit(res.w, unit) + unit;\n        res.h = convertUnit(res.h, unit) + unit;\n      }\n\n      out.push(' width=\"' + res.w + '\" height=\"' + res.h + '\"' + vb + ' xmlns=\"' + NS.SVG + '\"');\n\n      const nsuris = {};\n\n      // Check elements for namespaces, add if found\n      $(elem).find('*').andSelf().each(function () {\n        // const el = this;\n        // for some elements have no attribute\n        const uri = this.namespaceURI;\n        if (uri && !nsuris[uri] && nsMap[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {\n          nsuris[uri] = true;\n          out.push(' xmlns:' + nsMap[uri] + '=\"' + uri + '\"');\n        }\n\n        $.each(this.attributes, function (i, attr) {\n          const uri = attr.namespaceURI;\n          if (uri && !nsuris[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {\n            nsuris[uri] = true;\n            out.push(' xmlns:' + nsMap[uri] + '=\"' + uri + '\"');\n          }\n        });\n      });\n\n      i = attrs.length;\n      const attrNames = ['width', 'height', 'xmlns', 'x', 'y', 'viewBox', 'id', 'overflow'];\n      while (i--) {\n        const attr = attrs[i];\n        const attrVal = toXml(attr.value);\n\n        // Namespaces have already been dealt with, so skip\n        if (attr.nodeName.startsWith('xmlns:')) { continue; }\n\n        // only serialize attributes we don't use internally\n        if (attrVal !== '' && !attrNames.includes(attr.localName)) {\n          if (!attr.namespaceURI || nsMap[attr.namespaceURI]) {\n            out.push(' ');\n            out.push(attr.nodeName); out.push('=\"');\n            out.push(attrVal); out.push('\"');\n          }\n        }\n      }\n    } else {\n      // Skip empty defs\n      if (elem.nodeName === 'defs' && !elem.firstChild) { return; }\n\n      const mozAttrs = ['-moz-math-font-style', '_moz-math-font-style'];\n      for (i = attrs.length - 1; i >= 0; i--) {\n        const attr = attrs[i];\n        let attrVal = toXml(attr.value);\n        // remove bogus attributes added by Gecko\n        if (mozAttrs.includes(attr.localName)) { continue; }\n        if (attrVal !== '') {\n          if (attrVal.startsWith('pointer-events')) { continue; }\n          if (attr.localName === 'class' && attrVal.startsWith('se_')) { continue; }\n          out.push(' ');\n          if (attr.localName === 'd') { attrVal = pathActions.convertPath(elem, true); }\n          if (!isNaN(attrVal)) {\n            attrVal = shortFloat(attrVal);\n          } else if (unitRe.test(attrVal)) {\n            attrVal = shortFloat(attrVal) + unit;\n          }\n\n          // Embed images when saving\n          if (saveOptions.apply &&\n            elem.nodeName === 'image' &&\n            attr.localName === 'href' &&\n            saveOptions.images &&\n            saveOptions.images === 'embed'\n          ) {\n            const img = encodableImages[attrVal];\n            if (img) { attrVal = img; }\n          }\n\n          // map various namespaces to our fixed namespace prefixes\n          // (the default xmlns attribute itself does not get a prefix)\n          if (!attr.namespaceURI || attr.namespaceURI === NS.SVG || nsMap[attr.namespaceURI]) {\n            out.push(attr.nodeName); out.push('=\"');\n            out.push(attrVal); out.push('\"');\n          }\n        }\n      }\n    }\n\n    if (elem.hasChildNodes()) {\n      out.push('>');\n      indent++;\n      let bOneLine = false;\n\n      for (i = 0; i < childs.length; i++) {\n        const child = childs.item(i);\n        switch (child.nodeType) {\n        case 1: // element node\n          out.push('\\n');\n          out.push(this.svgToString(childs.item(i), indent));\n          break;\n        case 3: // text node\n          const str = child.nodeValue.replace(/^\\s+|\\s+$/g, '');\n          if (str !== '') {\n            bOneLine = true;\n            out.push(String(toXml(str)));\n          }\n          break;\n        case 4: // cdata node\n          out.push('\\n');\n          out.push(new Array(indent + 1).join(' '));\n          out.push('<![CDATA[');\n          out.push(child.nodeValue);\n          out.push(']]>');\n          break;\n        case 8: // comment\n          out.push('\\n');\n          out.push(new Array(indent + 1).join(' '));\n          out.push('<!--');\n          out.push(child.data);\n          out.push('-->');\n          break;\n        } // switch on node type\n      }\n      indent--;\n      if (!bOneLine) {\n        out.push('\\n');\n        for (i = 0; i < indent; i++) { out.push(' '); }\n      }\n      out.push('</'); out.push(elem.nodeName); out.push('>');\n    } else {\n      out.push('/>');\n    }\n  }\n  return out.join('');\n}; // end svgToString()\n\n/**\n * Function to run when image data is found\n * @callback module:svgcanvas.ImageEmbeddedCallback\n * @param {string|false} result Data URL\n * @returns {undefined}\n */\n/**\n* Converts a given image file to a data URL when possible, then runs a given callback\n* @function module:svgcanvas.SvgCanvas#embedImage\n* @param {string} src - The path/URL of the image\n* @param {module:svgcanvas.ImageEmbeddedCallback} [callback] - Function to run when image data is found\n* @returns {Promise} Resolves to Data URL (string|false)\n*/\nthis.embedImage = function (src, callback) {\n  return new Promise(function (resolve, reject) {\n    // load in the image and once it's loaded, get the dimensions\n    $(new Image()).load(function (response, status, xhr) {\n      if (status === 'error') {\n        reject(new Error('Error loading image: ' + xhr.status + ' ' + xhr.statusText));\n        return;\n      }\n      // create a canvas the same size as the raster image\n      const cvs = document.createElement('canvas');\n      cvs.width = this.width;\n      cvs.height = this.height;\n      // load the raster image into the canvas\n      cvs.getContext('2d').drawImage(this, 0, 0);\n      // retrieve the data: URL\n      try {\n        let urldata = ';svgedit_url=' + encodeURIComponent(src);\n        urldata = cvs.toDataURL().replace(';base64', urldata + ';base64');\n        encodableImages[src] = urldata;\n      } catch (e) {\n        encodableImages[src] = false;\n      }\n      lastGoodImgUrl = src;\n      if (callback) { callback(encodableImages[src]); }\n      resolve(encodableImages[src]);\n    }).attr('src', src);\n  });\n};\n\n/**\n* Sets a given URL to be a \"last good image\" URL\n* @function module:svgcanvas.SvgCanvas#setGoodImage\n* @param {string} val\n* @returns {undefined}\n*/\nthis.setGoodImage = function (val) {\n  lastGoodImgUrl = val;\n};\n\n/**\n* Does nothing by default, handled by optional widget/extension\n* @function module:svgcanvas.SvgCanvas#open\n* @returns {undefined}\n*/\nthis.open = function () {\n};\n\n/**\n* Serializes the current drawing into SVG XML text and passes it to the 'saved' handler.\n* This function also includes the XML prolog. Clients of the `SvgCanvas` bind their save\n* function to the 'saved' event.\n* @function module:svgcanvas.SvgCanvas#save\n* @param {module:svgcanvas.SaveOptions} opts\n* @fires module:svgcanvas.SvgCanvas#event:saved\n* @returns {undefined}\n*/\nthis.save = function (opts) {\n  // remove the selected outline before serializing\n  clearSelection();\n  // Update save options if provided\n  if (opts) { $.extend(saveOptions, opts); }\n  saveOptions.apply = true;\n\n  // no need for doctype, see https://jwatt.org/svg/authoring/#doctype-declaration\n  const str = this.svgCanvasToString();\n  call('saved', str);\n};\n\n/**\n* Codes only is useful for locale-independent detection\n*/\nfunction getIssues () {\n  // remove the selected outline before serializing\n  clearSelection();\n\n  // Check for known CanVG issues\n  const issues = [];\n  const issueCodes = [];\n\n  // Selector and notice\n  const issueList = {\n    feGaussianBlur: uiStrings.exportNoBlur,\n    foreignObject: uiStrings.exportNoforeignObject,\n    '[stroke-dasharray]': uiStrings.exportNoDashArray\n  };\n  const content = $(svgcontent);\n\n  // Add font/text check if Canvas Text API is not implemented\n  if (!('font' in $('<canvas>')[0].getContext('2d'))) {\n    issueList.text = uiStrings.exportNoText;\n  }\n\n  $.each(issueList, function (sel, descr) {\n    if (content.find(sel).length) {\n      issueCodes.push(sel);\n      issues.push(descr);\n    }\n  });\n  return {issues, issueCodes};\n}\n\nlet canvg;\n/**\n* @typedef {\"feGaussianBlur\"|\"foreignObject\"|\"[stroke-dasharray]\"|\"text\"} module:svgcanvas.IssueCode\n*/\n/**\n* @typedef {PlainObject} module:svgcanvas.ImageExportedResults\n* @property {string} datauri Contents as a Data URL\n* @property {string} bloburl May be the empty string\n* @property {string} svg The SVG contents as a string\n* @property {string[]} issues The localization messages of `issueCodes`\n* @property {module:svgcanvas.IssueCode[]} issueCodes CanVG issues found with the SVG\n* @property {\"PNG\"|\"JPEG\"|\"BMP\"|\"WEBP\"|\"ICO\"} type The chosen image type\n* @property {\"image/png\"|\"image/jpeg\"|\"image/bmp\"|\"image/webp\"} mimeType The image MIME type\n* @property {Float} quality A decimal between 0 and 1 (for use with JPEG or WEBP)\n* @property {string} exportWindowName A convenience for passing along a `window.name` to target a window on which the export could be added\n*/\n\n/**\n * Function to run when image data is found\n * @callback module:svgcanvas.ImageExportedCallback\n * @param {module:svgcanvas.ImageExportedResults} obj\n * @returns {undefined}\n */\n/**\n* Generates a PNG (or JPG, BMP, WEBP) Data URL based on the current image,\n* then calls \"exported\" with an object including the string, image\n* information, and any issues found\n* @function module:svgcanvas.SvgCanvas#rasterExport\n* @param {\"PNG\"|\"JPEG\"|\"BMP\"|\"WEBP\"|\"ICO\"} [imgType=\"PNG\"]\n* @param {Float} [quality] Between 0 and 1\n* @param {string} [exportWindowName]\n* @param {module:svgcanvas.ImageExportedCallback} [cb]\n* @fires module:svgcanvas.SvgCanvas#event:exported\n* @todo Confirm/fix ICO type\n* @returns {Promise} Resolves to {@link module:svgcanvas.ImageExportedResults}\n*/\nthis.rasterExport = function (imgType, quality, exportWindowName, cb) {\n  const type = imgType === 'ICO' ? 'BMP' : (imgType || 'PNG');\n  const mimeType = 'image/' + type.toLowerCase();\n  const {issues, issueCodes} = getIssues();\n  const svg = this.svgCanvasToString();\n\n  return new Promise(async (resolve, reject) => {\n    if (!canvg) {\n      ({canvg} = await importSetGlobal(curConfig.canvgPath + 'canvg.js', {\n        global: 'canvg'\n      }));\n    }\n    if (!$('#export_canvas').length) {\n      $('<canvas>', {id: 'export_canvas'}).hide().appendTo('body');\n    }\n    const c = $('#export_canvas')[0];\n    c.width = canvas.contentW;\n    c.height = canvas.contentH;\n\n    await canvg(c, svg);\n    const dataURLType = type.toLowerCase();\n    const datauri = quality\n      ? c.toDataURL('image/' + dataURLType, quality)\n      : c.toDataURL('image/' + dataURLType);\n    let bloburl;\n    function done () {\n      const obj = {\n        datauri, bloburl, svg, issues, issueCodes, type: imgType,\n        mimeType, quality, exportWindowName\n      };\n      call('exported', obj);\n      if (cb) {\n        cb(obj);\n      }\n      resolve(obj);\n    }\n    if (c.toBlob) {\n      c.toBlob((blob) => {\n        bloburl = createObjectURL(blob);\n        done();\n      }, mimeType, quality);\n      return;\n    }\n    bloburl = dataURLToObjectURL(datauri);\n    done();\n  });\n};\n/**\n * @external jsPDF\n */\n/**\n * @typedef {undefined|\"save\"|\"arraybuffer\"|\"blob\"|\"datauristring\"|\"dataurlstring\"|\"dataurlnewwindow\"|\"datauri\"|\"dataurl\"} external:jsPDF.OutputType\n * @todo Newer version to add also allows these `outputType` values \"bloburi\"|\"bloburl\" which return strings, so document here and for `outputType` of `module:svgcanvas.PDFExportedResults` below if added\n*/\n/**\n* @typedef {PlainObject} module:svgcanvas.PDFExportedResults\n* @property {string} svg The SVG PDF output\n* @property {string|ArrayBuffer|Blob|window} output The output based on the `outputType`;\n* if `undefined`, \"datauristring\", \"dataurlstring\", \"datauri\",\n* or \"dataurl\", will be a string (`undefined` gives a document, while the others\n* build as Data URLs; \"datauri\" and \"dataurl\" change the location of the current page); if\n* \"arraybuffer\", will return `ArrayBuffer`; if \"blob\", returns a `Blob`;\n* if \"dataurlnewwindow\", will change the current page's location and return a string\n* if in Safari and no window object is found; otherwise opens in, and returns, a new `window`\n* object; if \"save\", will have the same return as \"dataurlnewwindow\" if\n* `navigator.getUserMedia` support is found without `URL.createObjectURL` support; otherwise\n* returns `undefined` but attempts to save\n* @property {external:jsPDF.OutputType} outputType\n* @property {string[]} issues The human-readable localization messages of corresponding `issueCodes`\n* @property {module:svgcanvas.IssueCode[]} issueCodes\n* @property {string} exportWindowName\n*/\n\n/**\n * Function to run when PDF data is found\n * @callback module:svgcanvas.PDFExportedCallback\n * @param {module:svgcanvas.PDFExportedResults} obj\n * @returns {undefined}\n */\n/**\n* Generates a PDF based on the current image, then calls \"exportedPDF\" with\n* an object including the string, the data URL, and any issues found\n* @function module:svgcanvas.SvgCanvas#exportPDF\n* @param {string} exportWindowName Will also be used for the download file name here\n* @param {external:jsPDF.OutputType} [outputType=\"dataurlstring\"]\n* @param {module:svgcanvas.PDFExportedCallback} cb\n* @fires module:svgcanvas.SvgCanvas#event:exportedPDF\n* @returns {Promise} Resolves to {@link module:svgcanvas.PDFExportedResults}\n*/\nthis.exportPDF = function (exportWindowName, outputType, cb) {\n  const that = this;\n  return new Promise(async (resolve, reject) => {\n    if (!window.jsPDF) {\n      // Todo: Switch to `import()` when widely supported and available (also allow customization of path)\n      await importScript([\n        // We do not currently have these paths configurable as they are\n        //   currently global-only, so not Rolled-up\n        'jspdf/underscore-min.js',\n        'jspdf/jspdf.min.js'\n      ]);\n\n      const modularVersion = !('svgEditor' in window) ||\n        !window.svgEditor ||\n        window.svgEditor.modules !== false;\n      // Todo: Switch to `import()` when widely supported and available (also allow customization of path)\n      await importScript(curConfig.jspdfPath + 'jspdf.plugin.svgToPdf.js', {\n        type: modularVersion\n          ? 'module'\n          : 'text/javascript'\n      });\n      // await importModule('jspdf/jspdf.plugin.svgToPdf.js');\n    }\n\n    const res = getResolution();\n    const orientation = res.w > res.h ? 'landscape' : 'portrait';\n    const unit = 'pt'; // curConfig.baseUnit; // We could use baseUnit, but that is presumably not intended for export purposes\n\n    // Todo: Give options to use predefined jsPDF formats like \"a4\", etc. from pull-down (with option to keep customizable)\n    const doc = jsPDF({\n      orientation,\n      unit,\n      format: [res.w, res.h]\n      // , compressPdf: true\n    });\n    const docTitle = getDocumentTitle();\n    doc.setProperties({\n      title: docTitle /* ,\n      subject: '',\n      author: '',\n      keywords: '',\n      creator: '' */\n    });\n    const {issues, issueCodes} = getIssues();\n    const svg = that.svgCanvasToString();\n    doc.addSVG(svg, 0, 0);\n\n    // doc.output('save'); // Works to open in a new\n    //  window; todo: configure this and other export\n    //  options to optionally work in this manner as\n    //  opposed to opening a new tab\n    outputType = outputType || 'dataurlstring';\n    const obj = {svg, issues, issueCodes, exportWindowName, outputType};\n    obj.output = doc.output(outputType, outputType === 'save' ? (exportWindowName || 'svg.pdf') : undefined);\n    if (cb) {\n      cb(obj);\n    }\n    resolve(obj);\n    call('exportedPDF', obj);\n  });\n};\n\n/**\n* Returns the current drawing as raw SVG XML text.\n* @function module:svgcanvas.SvgCanvas#getSvgString\n* @returns {string} The current drawing as raw SVG XML text.\n*/\nthis.getSvgString = function () {\n  saveOptions.apply = false;\n  return this.svgCanvasToString();\n};\n\n/**\n* This function determines whether to use a nonce in the prefix, when\n* generating IDs for future documents in SVG-Edit.\n* If you're controlling SVG-Edit externally, and want randomized IDs, call\n* this BEFORE calling svgCanvas.setSvgString\n* @function module:svgcanvas.SvgCanvas#randomizeIds\n* @param {boolean} [enableRandomization] If true, adds a nonce to the prefix. Thus\n* `svgCanvas.randomizeIds() <==> svgCanvas.randomizeIds(true)`\n* @returns {undefined}\n*/\nthis.randomizeIds = function (enableRandomization) {\n  if (arguments.length > 0 && enableRandomization === false) {\n    draw.randomizeIds(false, getCurrentDrawing());\n  } else {\n    draw.randomizeIds(true, getCurrentDrawing());\n  }\n};\n\n/**\n* Ensure each element has a unique ID\n* @function module:svgcanvas.SvgCanvas#uniquifyElems\n* @param {Element} g - The parent element of the tree to give unique IDs\n* @returns {undefined}\n*/\nconst uniquifyElems = this.uniquifyElems = function (g) {\n  const ids = {};\n  // TODO: Handle markers and connectors. These are not yet re-identified properly\n  // as their referring elements do not get remapped.\n  //\n  // <marker id='se_marker_end_svg_7'/>\n  // <polyline id='svg_7' se:connector='svg_1 svg_6' marker-end='url(#se_marker_end_svg_7)'/>\n  //\n  // Problem #1: if svg_1 gets renamed, we do not update the polyline's se:connector attribute\n  // Problem #2: if the polyline svg_7 gets renamed, we do not update the marker id nor the polyline's marker-end attribute\n  const refElems = ['filter', 'linearGradient', 'pattern', 'radialGradient', 'symbol', 'textPath', 'use'];\n\n  walkTree(g, function (n) {\n    // if it's an element node\n    if (n.nodeType === 1) {\n      // and the element has an ID\n      if (n.id) {\n        // and we haven't tracked this ID yet\n        if (!(n.id in ids)) {\n          // add this id to our map\n          ids[n.id] = {elem: null, attrs: [], hrefs: []};\n        }\n        ids[n.id].elem = n;\n      }\n\n      // now search for all attributes on this element that might refer\n      // to other elements\n      $.each(refAttrs, function (i, attr) {\n        const attrnode = n.getAttributeNode(attr);\n        if (attrnode) {\n          // the incoming file has been sanitized, so we should be able to safely just strip off the leading #\n          const url = getUrlFromAttr(attrnode.value),\n            refid = url ? url.substr(1) : null;\n          if (refid) {\n            if (!(refid in ids)) {\n              // add this id to our map\n              ids[refid] = {elem: null, attrs: [], hrefs: []};\n            }\n            ids[refid].attrs.push(attrnode);\n          }\n        }\n      });\n\n      // check xlink:href now\n      const href = getHref(n);\n      // TODO: what if an <image> or <a> element refers to an element internally?\n      if (href && refElems.includes(n.nodeName)) {\n        const refid = href.substr(1);\n        if (refid) {\n          if (!(refid in ids)) {\n            // add this id to our map\n            ids[refid] = {elem: null, attrs: [], hrefs: []};\n          }\n          ids[refid].hrefs.push(n);\n        }\n      }\n    }\n  });\n\n  // in ids, we now have a map of ids, elements and attributes, let's re-identify\n  for (const oldid in ids) {\n    if (!oldid) { continue; }\n    const {elem} = ids[oldid];\n    if (elem) {\n      const newid = getNextId();\n\n      // assign element its new id\n      elem.id = newid;\n\n      // remap all url() attributes\n      const {attrs} = ids[oldid];\n      let j = attrs.length;\n      while (j--) {\n        const attr = attrs[j];\n        attr.ownerElement.setAttribute(attr.name, 'url(#' + newid + ')');\n      }\n\n      // remap all href attributes\n      const hreffers = ids[oldid].hrefs;\n      let k = hreffers.length;\n      while (k--) {\n        const hreffer = hreffers[k];\n        setHref(hreffer, '#' + newid);\n      }\n    }\n  }\n};\n\n/**\n* Assigns reference data for each use element\n* @function module:svgcanvas.SvgCanvas#setUseData\n* @param {Element} parent\n* @returns {undefined}\n*/\nconst setUseData = this.setUseData = function (parent) {\n  let elems = $(parent);\n\n  if (parent.tagName !== 'use') {\n    elems = elems.find('use');\n  }\n\n  elems.each(function () {\n    const id = getHref(this).substr(1);\n    const refElem = getElem(id);\n    if (!refElem) { return; }\n    $(this).data('ref', refElem);\n    if (refElem.tagName === 'symbol' || refElem.tagName === 'svg') {\n      $(this).data('symbol', refElem).data('ref', refElem);\n    }\n  });\n};\n\n/**\n* Converts gradients from userSpaceOnUse to objectBoundingBox\n* @function module:svgcanvas.SvgCanvas#convertGradients\n* @param {Element} elem\n* @returns {undefined}\n*/\nconst convertGradients = this.convertGradients = function (elem) {\n  let elems = $(elem).find('linearGradient, radialGradient');\n  if (!elems.length && isWebkit()) {\n    // Bug in webkit prevents regular *Gradient selector search\n    elems = $(elem).find('*').filter(function () {\n      return (this.tagName.includes('Gradient'));\n    });\n  }\n\n  elems.each(function () {\n    const grad = this;\n    if ($(grad).attr('gradientUnits') === 'userSpaceOnUse') {\n      // TODO: Support more than one element with this ref by duplicating parent grad\n      const elems = $(svgcontent).find('[fill=\"url(#' + grad.id + ')\"],[stroke=\"url(#' + grad.id + ')\"]');\n      if (!elems.length) { return; }\n\n      // get object's bounding box\n      const bb = utilsGetBBox(elems[0]);\n\n      // This will occur if the element is inside a <defs> or a <symbol>,\n      // in which we shouldn't need to convert anyway.\n      if (!bb) { return; }\n\n      if (grad.tagName === 'linearGradient') {\n        const gCoords = $(grad).attr(['x1', 'y1', 'x2', 'y2']);\n\n        // If has transform, convert\n        const tlist = grad.gradientTransform.baseVal;\n        if (tlist && tlist.numberOfItems > 0) {\n          const m = transformListToTransform(tlist).matrix;\n          const pt1 = transformPoint(gCoords.x1, gCoords.y1, m);\n          const pt2 = transformPoint(gCoords.x2, gCoords.y2, m);\n\n          gCoords.x1 = pt1.x;\n          gCoords.y1 = pt1.y;\n          gCoords.x2 = pt2.x;\n          gCoords.y2 = pt2.y;\n          grad.removeAttribute('gradientTransform');\n        }\n\n        $(grad).attr({\n          x1: (gCoords.x1 - bb.x) / bb.width,\n          y1: (gCoords.y1 - bb.y) / bb.height,\n          x2: (gCoords.x2 - bb.x) / bb.width,\n          y2: (gCoords.y2 - bb.y) / bb.height\n        });\n        grad.removeAttribute('gradientUnits');\n      }\n      // else {\n      //   Note: radialGradient elements cannot be easily converted\n      //   because userSpaceOnUse will keep circular gradients, while\n      //   objectBoundingBox will x/y scale the gradient according to\n      //   its bbox.\n      //\n      //   For now we'll do nothing, though we should probably have\n      //   the gradient be updated as the element is moved, as\n      //   inkscape/illustrator do.\n      //\n      //   const gCoords = $(grad).attr(['cx', 'cy', 'r']);\n      //\n      //   $(grad).attr({\n      //     cx: (gCoords.cx - bb.x) / bb.width,\n      //     cy: (gCoords.cy - bb.y) / bb.height,\n      //     r: gCoords.r\n      //   });\n      //\n      //   grad.removeAttribute('gradientUnits');\n      // }\n    }\n  });\n};\n\n/**\n* Converts selected/given `<use>` or child SVG element to a group\n* @function module:svgcanvas.SvgCanvas#convertToGroup\n* @param {Element} elem\n* @fires module:svgcanvas.SvgCanvas#event:selected\n* @returns {undefined}\n*/\nconst convertToGroup = this.convertToGroup = function (elem) {\n  if (!elem) {\n    elem = selectedElements[0];\n  }\n  const $elem = $(elem);\n  const batchCmd = new BatchCommand();\n  let ts;\n\n  if ($elem.data('gsvg')) {\n    // Use the gsvg as the new group\n    const svg = elem.firstChild;\n    const pt = $(svg).attr(['x', 'y']);\n\n    $(elem.firstChild.firstChild).unwrap();\n    $(elem).removeData('gsvg');\n\n    const tlist = getTransformList(elem);\n    const xform = svgroot.createSVGTransform();\n    xform.setTranslate(pt.x, pt.y);\n    tlist.appendItem(xform);\n    recalculateDimensions(elem);\n    call('selected', [elem]);\n  } else if ($elem.data('symbol')) {\n    elem = $elem.data('symbol');\n\n    ts = $elem.attr('transform');\n    const pos = $elem.attr(['x', 'y']);\n\n    const vb = elem.getAttribute('viewBox');\n\n    if (vb) {\n      const nums = vb.split(' ');\n      pos.x -= +nums[0];\n      pos.y -= +nums[1];\n    }\n\n    // Not ideal, but works\n    ts += ' translate(' + (pos.x || 0) + ',' + (pos.y || 0) + ')';\n\n    const prev = $elem.prev();\n\n    // Remove <use> element\n    batchCmd.addSubCommand(new RemoveElementCommand($elem[0], $elem[0].nextSibling, $elem[0].parentNode));\n    $elem.remove();\n\n    // See if other elements reference this symbol\n    const hasMore = $(svgcontent).find('use:data(symbol)').length;\n\n    const g = svgdoc.createElementNS(NS.SVG, 'g');\n    const childs = elem.childNodes;\n\n    let i;\n    for (i = 0; i < childs.length; i++) {\n      g.append(childs[i].cloneNode(true));\n    }\n\n    // Duplicate the gradients for Gecko, since they weren't included in the <symbol>\n    if (isGecko()) {\n      const dupeGrads = $(findDefs()).children('linearGradient,radialGradient,pattern').clone();\n      $(g).append(dupeGrads);\n    }\n\n    if (ts) {\n      g.setAttribute('transform', ts);\n    }\n\n    const parent = elem.parentNode;\n\n    uniquifyElems(g);\n\n    // Put the dupe gradients back into <defs> (after uniquifying them)\n    if (isGecko()) {\n      $(findDefs()).append($(g).find('linearGradient,radialGradient,pattern'));\n    }\n\n    // now give the g itself a new id\n    g.id = getNextId();\n\n    prev.after(g);\n\n    if (parent) {\n      if (!hasMore) {\n        // remove symbol/svg element\n        const {nextSibling} = elem;\n        elem.remove();\n        batchCmd.addSubCommand(new RemoveElementCommand(elem, nextSibling, parent));\n      }\n      batchCmd.addSubCommand(new InsertElementCommand(g));\n    }\n\n    setUseData(g);\n\n    if (isGecko()) {\n      convertGradients(findDefs());\n    } else {\n      convertGradients(g);\n    }\n\n    // recalculate dimensions on the top-level children so that unnecessary transforms\n    // are removed\n    walkTreePost(g, function (n) {\n      try {\n        recalculateDimensions(n);\n      } catch (e) {\n        console.log(e);\n      }\n    });\n\n    // Give ID for any visible element missing one\n    $(g).find(visElems).each(function () {\n      if (!this.id) { this.id = getNextId(); }\n    });\n\n    selectOnly([g]);\n\n    const cm = pushGroupProperties(g, true);\n    if (cm) {\n      batchCmd.addSubCommand(cm);\n    }\n\n    addCommandToHistory(batchCmd);\n  } else {\n    console.log('Unexpected element to ungroup:', elem);\n  }\n};\n\n/**\n* This function sets the current drawing as the input SVG XML.\n* @function module:svgcanvas.SvgCanvas#setSvgString\n* @param {string} xmlString - The SVG as XML text.\n* @param {boolean} [preventUndo=false] - Indicates if we want to do the\n* changes without adding them to the undo stack - e.g. for initializing a\n* drawing on page load.\n* @fires module:svgcanvas.SvgCanvas#event:setnonce\n* @fires module:svgcanvas.SvgCanvas#event:unsetnonce\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {boolean} This function returns `false` if the set was\n*     unsuccessful, `true` otherwise.\n*/\nthis.setSvgString = function (xmlString, preventUndo) {\n  try {\n    // convert string into XML document\n    const newDoc = text2xml(xmlString);\n    if (newDoc.firstElementChild &&\n      newDoc.firstElementChild.namespaceURI !== NS.SVG) {\n      return false;\n    }\n\n    this.prepareSvg(newDoc);\n\n    const batchCmd = new BatchCommand('Change Source');\n\n    // remove old svg document\n    const {nextSibling} = svgcontent;\n    const oldzoom = svgroot.removeChild(svgcontent);\n    batchCmd.addSubCommand(new RemoveElementCommand(oldzoom, nextSibling, svgroot));\n\n    // set new svg document\n    // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()\n    if (svgdoc.adoptNode) {\n      svgcontent = svgdoc.adoptNode(newDoc.documentElement);\n    } else {\n      svgcontent = svgdoc.importNode(newDoc.documentElement, true);\n    }\n\n    svgroot.append(svgcontent);\n    const content = $(svgcontent);\n\n    canvas.current_drawing_ = new draw.Drawing(svgcontent, idprefix);\n\n    // retrieve or set the nonce\n    const nonce = getCurrentDrawing().getNonce();\n    if (nonce) {\n      call('setnonce', nonce);\n    } else {\n      call('unsetnonce');\n    }\n\n    // change image href vals if possible\n    content.find('image').each(function () {\n      const image = this;\n      preventClickDefault(image);\n      const val = getHref(this);\n      if (val) {\n        if (val.startsWith('data:')) {\n          // Check if an SVG-edit data URI\n          const m = val.match(/svgedit_url=(.*?);/);\n          if (m) {\n            const url = decodeURIComponent(m[1]);\n            $(new Image()).load(function () {\n              image.setAttributeNS(NS.XLINK, 'xlink:href', url);\n            }).attr('src', url);\n          }\n        }\n        // Add to encodableImages if it loads\n        canvas.embedImage(val);\n      }\n    });\n\n    // Wrap child SVGs in group elements\n    content.find('svg').each(function () {\n      // Skip if it's in a <defs>\n      if ($(this).closest('defs').length) { return; }\n\n      uniquifyElems(this);\n\n      // Check if it already has a gsvg group\n      const pa = this.parentNode;\n      if (pa.childNodes.length === 1 && pa.nodeName === 'g') {\n        $(pa).data('gsvg', this);\n        pa.id = pa.id || getNextId();\n      } else {\n        groupSvgElem(this);\n      }\n    });\n\n    // For Firefox: Put all paint elems in defs\n    if (isGecko()) {\n      content.find('linearGradient, radialGradient, pattern').appendTo(findDefs());\n    }\n\n    // Set ref element for <use> elements\n\n    // TODO: This should also be done if the object is re-added through \"redo\"\n    setUseData(content);\n\n    convertGradients(content[0]);\n\n    const attrs = {\n      id: 'svgcontent',\n      overflow: curConfig.show_outside_canvas ? 'visible' : 'hidden'\n    };\n\n    let percs = false;\n\n    // determine proper size\n    if (content.attr('viewBox')) {\n      const vb = content.attr('viewBox').split(' ');\n      attrs.width = vb[2];\n      attrs.height = vb[3];\n    // handle content that doesn't have a viewBox\n    } else {\n      $.each(['width', 'height'], function (i, dim) {\n        // Set to 100 if not given\n        const val = content.attr(dim) || '100%';\n\n        if (String(val).substr(-1) === '%') {\n          // Use user units if percentage given\n          percs = true;\n        } else {\n          attrs[dim] = convertToNum(dim, val);\n        }\n      });\n    }\n\n    // identify layers\n    draw.identifyLayers();\n\n    // Give ID for any visible layer children missing one\n    content.children().find(visElems).each(function () {\n      if (!this.id) { this.id = getNextId(); }\n    });\n\n    // Percentage width/height, so let's base it on visible elements\n    if (percs) {\n      const bb = getStrokedBBoxDefaultVisible();\n      attrs.width = bb.width + bb.x;\n      attrs.height = bb.height + bb.y;\n    }\n\n    // Just in case negative numbers are given or\n    // result from the percs calculation\n    if (attrs.width <= 0) { attrs.width = 100; }\n    if (attrs.height <= 0) { attrs.height = 100; }\n\n    content.attr(attrs);\n    this.contentW = attrs.width;\n    this.contentH = attrs.height;\n\n    batchCmd.addSubCommand(new InsertElementCommand(svgcontent));\n    // update root to the correct size\n    const changes = content.attr(['width', 'height']);\n    batchCmd.addSubCommand(new ChangeElementCommand(svgroot, changes));\n\n    // reset zoom\n    currentZoom = 1;\n\n    // reset transform lists\n    resetListMap();\n    clearSelection();\n    pathModule.clearData();\n    svgroot.append(selectorManager.selectorParentGroup);\n\n    if (!preventUndo) addCommandToHistory(batchCmd);\n    call('changed', [svgcontent]);\n  } catch (e) {\n    console.log(e);\n    return false;\n  }\n\n  return true;\n};\n\n/**\n* This function imports the input SVG XML as a `<symbol>` in the `<defs>`, then adds a\n* `<use>` to the current layer.\n* @function module:svgcanvas.SvgCanvas#importSvgString\n* @param {string} xmlString - The SVG as XML text.\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {null|Element} This function returns null if the import was unsuccessful, or the element otherwise.\n* @todo\n* - properly handle if namespace is introduced by imported content (must add to svgcontent\n* and update all prefixes in the imported node)\n* - properly handle recalculating dimensions, `recalculateDimensions()` doesn't handle\n* arbitrary transform lists, but makes some assumptions about how the transform list\n* was obtained\n*/\nthis.importSvgString = function (xmlString) {\n  let j, ts, useEl;\n  try {\n    // Get unique ID\n    const uid = encode64(xmlString.length + xmlString).substr(0, 32);\n\n    let useExisting = false;\n    // Look for symbol and make sure symbol exists in image\n    if (importIds[uid]) {\n      if ($(importIds[uid].symbol).parents('#svgroot').length) {\n        useExisting = true;\n      }\n    }\n\n    const batchCmd = new BatchCommand('Import Image');\n    let symbol;\n    if (useExisting) {\n      ({symbol} = importIds[uid]);\n      ts = importIds[uid].xform;\n    } else {\n      // convert string into XML document\n      const newDoc = text2xml(xmlString);\n\n      this.prepareSvg(newDoc);\n\n      // import new svg document into our document\n      let svg;\n      // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()\n      if (svgdoc.adoptNode) {\n        svg = svgdoc.adoptNode(newDoc.documentElement);\n      } else {\n        svg = svgdoc.importNode(newDoc.documentElement, true);\n      }\n\n      uniquifyElems(svg);\n\n      const innerw = convertToNum('width', svg.getAttribute('width')),\n        innerh = convertToNum('height', svg.getAttribute('height')),\n        innervb = svg.getAttribute('viewBox'),\n        // if no explicit viewbox, create one out of the width and height\n        vb = innervb ? innervb.split(' ') : [0, 0, innerw, innerh];\n      for (j = 0; j < 4; ++j) {\n        vb[j] = +(vb[j]);\n      }\n\n      // TODO: properly handle preserveAspectRatio\n      const // canvasw = +svgcontent.getAttribute('width'),\n        canvash = +svgcontent.getAttribute('height');\n      // imported content should be 1/3 of the canvas on its largest dimension\n\n      if (innerh > innerw) {\n        ts = 'scale(' + (canvash / 3) / vb[3] + ')';\n      } else {\n        ts = 'scale(' + (canvash / 3) / vb[2] + ')';\n      }\n\n      // Hack to make recalculateDimensions understand how to scale\n      ts = 'translate(0) ' + ts + ' translate(0)';\n\n      symbol = svgdoc.createElementNS(NS.SVG, 'symbol');\n      const defs = findDefs();\n\n      if (isGecko()) {\n        // Move all gradients into root for Firefox, workaround for this bug:\n        // https://bugzilla.mozilla.org/show_bug.cgi?id=353575\n        // TODO: Make this properly undo-able.\n        $(svg).find('linearGradient, radialGradient, pattern').appendTo(defs);\n      }\n\n      while (svg.firstChild) {\n        const first = svg.firstChild;\n        symbol.append(first);\n      }\n      const attrs = svg.attributes;\n      for (let i = 0; i < attrs.length; i++) {\n        const attr = attrs[i];\n        symbol.setAttribute(attr.nodeName, attr.value);\n      }\n      symbol.id = getNextId();\n\n      // Store data\n      importIds[uid] = {\n        symbol,\n        xform: ts\n      };\n\n      findDefs().append(symbol);\n      batchCmd.addSubCommand(new InsertElementCommand(symbol));\n    }\n\n    useEl = svgdoc.createElementNS(NS.SVG, 'use');\n    useEl.id = getNextId();\n    setHref(useEl, '#' + symbol.id);\n\n    (currentGroup || getCurrentDrawing().getCurrentLayer()).append(useEl);\n    batchCmd.addSubCommand(new InsertElementCommand(useEl));\n    clearSelection();\n\n    useEl.setAttribute('transform', ts);\n    recalculateDimensions(useEl);\n    $(useEl).data('symbol', symbol).data('ref', symbol);\n    addToSelection([useEl]);\n\n    // TODO: Find way to add this in a recalculateDimensions-parsable way\n    // if (vb[0] !== 0 || vb[1] !== 0) {\n    //   ts = 'translate(' + (-vb[0]) + ',' + (-vb[1]) + ') ' + ts;\n    // }\n    addCommandToHistory(batchCmd);\n    call('changed', [svgcontent]);\n  } catch (e) {\n    console.log(e);\n    return null;\n  }\n\n  // we want to return the element so we can automatically select it\n  return useEl;\n};\n\n// Could deprecate, but besides external uses, their usage makes clear that\n//  canvas is a dependency for all of these\n[\n  'identifyLayers', 'createLayer', 'cloneLayer', 'deleteCurrentLayer',\n  'setCurrentLayer', 'renameCurrentLayer', 'setCurrentLayerPosition',\n  'setLayerVisibility', 'moveSelectedToLayer', 'mergeLayer', 'mergeAllLayers',\n  'leaveContext', 'setContext'\n].forEach((prop) => {\n  canvas[prop] = draw[prop];\n});\ndraw.init(\n  /**\n  * @implements {module:draw.DrawCanvasInit}\n  */\n  {\n    pathActions,\n    getCurrentGroup () {\n      return currentGroup;\n    },\n    setCurrentGroup (cg) {\n      currentGroup = cg;\n    },\n    getSelectedElements,\n    getSVGContent,\n    undoMgr,\n    elData,\n    getCurrentDrawing,\n    clearSelection,\n    call,\n    addCommandToHistory,\n    /**\n     * @fires module:svgcanvas.SvgCanvas#event:changed\n     * @returns {undefined}\n     */\n    changeSVGContent () {\n      call('changed', [svgcontent]);\n    }\n  }\n);\n\n/**\n* Group: Document functions\n*/\n\n/**\n* Clears the current document. This is not an undoable action.\n* @function module:svgcanvas.SvgCanvas#clear\n* @fires module:svgcanvas.SvgCanvas#event:cleared\n* @returns {undefined}\n*/\nthis.clear = function () {\n  pathActions.clear();\n\n  clearSelection();\n\n  // clear the svgcontent node\n  canvas.clearSvgContentElement();\n\n  // create new document\n  canvas.current_drawing_ = new draw.Drawing(svgcontent);\n\n  // create empty first layer\n  canvas.createLayer('Layer 1');\n\n  // clear the undo stack\n  canvas.undoMgr.resetUndoStack();\n\n  // reset the selector manager\n  selectorManager.initGroup();\n\n  // reset the rubber band box\n  rubberBox = selectorManager.getRubberBandBox();\n\n  call('cleared');\n};\n\n// Alias function\nthis.linkControlPoints = pathActions.linkControlPoints;\n\n/**\n* @function module:svgcanvas.SvgCanvas#getContentElem\n* @returns {Element} The content DOM element\n*/\nthis.getContentElem = function () { return svgcontent; };\n\n/**\n* @function module:svgcanvas.SvgCanvas#getRootElem\n* @returns {SVGSVGElement} The root DOM element\n*/\nthis.getRootElem = function () { return svgroot; };\n\n/**\n* @typedef {PlainObject} DimensionsAndZoom\n* @property {Float} w Width\n* @property {Float} h Height\n* @property {Float} zoom Zoom\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getResolution\n* @returns {DimensionsAndZoom} The current dimensions and zoom level in an object\n*/\nconst getResolution = this.getResolution = function () {\n//    const vb = svgcontent.getAttribute('viewBox').split(' ');\n//    return {w:vb[2], h:vb[3], zoom: currentZoom};\n\n  const w = svgcontent.getAttribute('width') / currentZoom;\n  const h = svgcontent.getAttribute('height') / currentZoom;\n\n  return {\n    w,\n    h,\n    zoom: currentZoom\n  };\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getSnapToGrid\n* @returns {boolean} The current snap to grid setting\n*/\nthis.getSnapToGrid = function () { return curConfig.gridSnapping; };\n\n/**\n* @function module:svgcanvas.SvgCanvas#getVersion\n* @returns {string} A string which describes the revision number of SvgCanvas.\n*/\nthis.getVersion = function () {\n  return 'svgcanvas.js ($Rev$)';\n};\n\n/**\n* Update interface strings with given values\n* @function module:svgcanvas.SvgCanvas#setUiStrings\n* @param {module:path.uiStrings} strs - Object with strings (see the [locales API]{@link module:locale.LocaleStrings} and the [tutorial]{@tutorial LocaleDocs})\n* @returns {undefined}\n*/\nthis.setUiStrings = function (strs) {\n  Object.assign(uiStrings, strs.notification);\n  pathModule.setUiStrings(strs);\n};\n\n/**\n* Update configuration options with given values\n* @function module:svgcanvas.SvgCanvas#setConfig\n* @param {module:SVGEditor.Config} opts - Object with options\n* @returns {undefined}\n*/\nthis.setConfig = function (opts) {\n  Object.assign(curConfig, opts);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getTitle\n* @param {Element} elem\n* @returns {string|undefined} the current group/SVG's title contents\n*/\nthis.getTitle = function (elem) {\n  elem = elem || selectedElements[0];\n  if (!elem) { return; }\n  elem = $(elem).data('gsvg') || $(elem).data('symbol') || elem;\n  const childs = elem.childNodes;\n  for (let i = 0; i < childs.length; i++) {\n    if (childs[i].nodeName === 'title') {\n      return childs[i].textContent;\n    }\n  }\n  return '';\n};\n\n/**\n* Sets the group/SVG's title content\n* @function module:svgcanvas.SvgCanvas#setGroupTitle\n* @param {string} val\n* @todo Combine this with `setDocumentTitle`\n* @returns {undefined}\n*/\nthis.setGroupTitle = function (val) {\n  let elem = selectedElements[0];\n  elem = $(elem).data('gsvg') || elem;\n\n  const ts = $(elem).children('title');\n\n  const batchCmd = new BatchCommand('Set Label');\n\n  let title;\n  if (!val.length) {\n    // Remove title element\n    const tsNextSibling = ts.nextSibling;\n    batchCmd.addSubCommand(new RemoveElementCommand(ts[0], tsNextSibling, elem));\n    ts.remove();\n  } else if (ts.length) {\n    // Change title contents\n    title = ts[0];\n    batchCmd.addSubCommand(new ChangeElementCommand(title, {'#text': title.textContent}));\n    title.textContent = val;\n  } else {\n    // Add title element\n    title = svgdoc.createElementNS(NS.SVG, 'title');\n    title.textContent = val;\n    $(elem).prepend(title);\n    batchCmd.addSubCommand(new InsertElementCommand(title));\n  }\n\n  addCommandToHistory(batchCmd);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getDocumentTitle\n* @returns {string|undefined} The current document title or an empty string if not found\n*/\nconst getDocumentTitle = this.getDocumentTitle = function () {\n  return canvas.getTitle(svgcontent);\n};\n\n/**\n* Adds/updates a title element for the document with the given name.\n* This is an undoable action\n* @function module:svgcanvas.SvgCanvas#setDocumentTitle\n* @param {string} newTitle - String with the new title\n* @returns {undefined}\n*/\nthis.setDocumentTitle = function (newTitle) {\n  const childs = svgcontent.childNodes;\n  let docTitle = false, oldTitle = '';\n\n  const batchCmd = new BatchCommand('Change Image Title');\n\n  for (let i = 0; i < childs.length; i++) {\n    if (childs[i].nodeName === 'title') {\n      docTitle = childs[i];\n      oldTitle = docTitle.textContent;\n      break;\n    }\n  }\n  if (!docTitle) {\n    docTitle = svgdoc.createElementNS(NS.SVG, 'title');\n    svgcontent.insertBefore(docTitle, svgcontent.firstChild);\n    // svgcontent.firstChild.before(docTitle); // Ok to replace above with this?\n  }\n\n  if (newTitle.length) {\n    docTitle.textContent = newTitle;\n  } else {\n    // No title given, so element is not necessary\n    docTitle.remove();\n  }\n  batchCmd.addSubCommand(new ChangeElementCommand(docTitle, {'#text': oldTitle}));\n  addCommandToHistory(batchCmd);\n};\n\n/**\n* Returns the editor's namespace URL, optionally adding it to the root element\n* @function module:svgcanvas.SvgCanvas#getEditorNS\n* @param {boolean} [add] - Indicates whether or not to add the namespace value\n* @returns {string} The editor's namespace URL\n*/\nthis.getEditorNS = function (add) {\n  if (add) {\n    svgcontent.setAttribute('xmlns:se', NS.SE);\n  }\n  return NS.SE;\n};\n\n/**\n* Changes the document's dimensions to the given size\n* @function module:svgcanvas.SvgCanvas#setResolution\n* @param {Float|\"fit\"} x - Number with the width of the new dimensions in user units.\n* Can also be the string \"fit\" to indicate \"fit to content\"\n* @param {Float} y - Number with the height of the new dimensions in user units.\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {boolean} Indicates if resolution change was successful.\n* It will fail on \"fit to content\" option with no content to fit to.\n*/\nthis.setResolution = function (x, y) {\n  const res = getResolution();\n  const {w, h} = res;\n  let batchCmd;\n\n  if (x === 'fit') {\n    // Get bounding box\n    const bbox = getStrokedBBoxDefaultVisible();\n\n    if (bbox) {\n      batchCmd = new BatchCommand('Fit Canvas to Content');\n      const visEls = getVisibleElements();\n      addToSelection(visEls);\n      const dx = [], dy = [];\n      $.each(visEls, function (i, item) {\n        dx.push(bbox.x * -1);\n        dy.push(bbox.y * -1);\n      });\n\n      const cmd = canvas.moveSelectedElements(dx, dy, true);\n      batchCmd.addSubCommand(cmd);\n      clearSelection();\n\n      x = Math.round(bbox.width);\n      y = Math.round(bbox.height);\n    } else {\n      return false;\n    }\n  }\n  if (x !== w || y !== h) {\n    if (!batchCmd) {\n      batchCmd = new BatchCommand('Change Image Dimensions');\n    }\n\n    x = convertToNum('width', x);\n    y = convertToNum('height', y);\n\n    svgcontent.setAttribute('width', x);\n    svgcontent.setAttribute('height', y);\n\n    this.contentW = x;\n    this.contentH = y;\n    batchCmd.addSubCommand(new ChangeElementCommand(svgcontent, {width: w, height: h}));\n\n    svgcontent.setAttribute('viewBox', [0, 0, x / currentZoom, y / currentZoom].join(' '));\n    batchCmd.addSubCommand(new ChangeElementCommand(svgcontent, {viewBox: ['0 0', w, h].join(' ')}));\n\n    addCommandToHistory(batchCmd);\n    call('changed', [svgcontent]);\n  }\n  return true;\n};\n\n/**\n* @typedef {module:jQueryAttr.Attributes} module:svgcanvas.ElementPositionInCanvas\n* @property {Float} x\n* @property {Float} y\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getOffset\n* @returns {module:svgcanvas.ElementPositionInCanvas} An object with `x`, `y` values indicating the svgcontent element's\n* position in the editor's canvas.\n*/\nthis.getOffset = function () {\n  return $(svgcontent).attr(['x', 'y']);\n};\n\n/**\n * @typedef {PlainObject} module:svgcanvas.ZoomAndBBox\n * @property {Float} zoom\n * @property {module:utilities.BBoxObject} bbox\n */\n/**\n* Sets the zoom level on the canvas-side based on the given value\n* @function module:svgcanvas.SvgCanvas#setBBoxZoom\n* @param {\"selection\"|\"canvas\"|\"content\"|\"layer\"|module:SVGEditor.BBoxObjectWithFactor} val - Bounding box object to zoom to or string indicating zoom option. Note: the object value type is defined in `svg-editor.js`\n* @param {Integer} editorW - The editor's workarea box's width\n* @param {Integer} editorH - The editor's workarea box's height\n* @returns {module:svgcanvas.ZoomAndBBox|undefined}\n*/\nthis.setBBoxZoom = function (val, editorW, editorH) {\n  let spacer = 0.85;\n  let bb;\n  const calcZoom = function (bb) {\n    if (!bb) { return false; }\n    const wZoom = Math.round((editorW / bb.width) * 100 * spacer) / 100;\n    const hZoom = Math.round((editorH / bb.height) * 100 * spacer) / 100;\n    const zoom = Math.min(wZoom, hZoom);\n    canvas.setZoom(zoom);\n    return {zoom, bbox: bb};\n  };\n\n  if (typeof val === 'object') {\n    bb = val;\n    if (bb.width === 0 || bb.height === 0) {\n      const newzoom = bb.zoom ? bb.zoom : currentZoom * bb.factor;\n      canvas.setZoom(newzoom);\n      return {zoom: currentZoom, bbox: bb};\n    }\n    return calcZoom(bb);\n  }\n\n  switch (val) {\n  case 'selection':\n    if (!selectedElements[0]) { return; }\n    const selectedElems = $.map(selectedElements, function (n) { if (n) { return n; } });\n    bb = getStrokedBBoxDefaultVisible(selectedElems);\n    break;\n  case 'canvas':\n    const res = getResolution();\n    spacer = 0.95;\n    bb = {width: res.w, height: res.h, x: 0, y: 0};\n    break;\n  case 'content':\n    bb = getStrokedBBoxDefaultVisible();\n    break;\n  case 'layer':\n    bb = getStrokedBBoxDefaultVisible(getVisibleElements(getCurrentDrawing().getCurrentLayer()));\n    break;\n  default:\n    return;\n  }\n  return calcZoom(bb);\n};\n\n/**\n* The zoom level has changed. Supplies the new zoom level as a number (not percentage).\n* @event module:svgcanvas.SvgCanvas#event:ext-zoomChanged\n* @type {Float}\n*/\n/**\n* The bottom panel was updated\n* @event module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate\n* @type {PlainObject}\n* @property {boolean} nofill Indicates fill is disabled\n* @property {boolean} nostroke Indicates stroke is disabled\n*/\n/**\n* The element selection has changed (elements were added/removed from selection)\n* @event module:svgcanvas.SvgCanvas#event:ext-selectedChanged\n* @type {PlainObject}\n* @property {Element[]} elems Array of the newly selected elements\n* @property {Element|null} selectedElement The single selected element\n* @property {boolean} multiselected Indicates whether one or more elements were selected\n*/\n/**\n* Called when part of element is in process of changing, generally on\n* mousemove actions like rotate, move, etc.\n* @event module:svgcanvas.SvgCanvas#event:ext-elementTransition\n* @type {PlainObject}\n* @property {Element[]} elems Array of transitioning elements\n*/\n/**\n* One or more elements were changed\n* @event module:svgcanvas.SvgCanvas#event:ext-elementChanged\n* @type {PlainObject}\n* @property {Element[]} elems Array of the affected elements\n*/\n/**\n* Invoked as soon as the locale is ready\n* @event module:svgcanvas.SvgCanvas#event:ext-langReady\n* @type {PlainObject}\n* @property {string} lang The two-letter language code\n* @property {module:SVGEditor.uiStrings} uiStrings\n* @property {module:SVGEditor~ImportLocale} importLocale\n*/\n/**\n* The language was changed. Two-letter code of the new language.\n* @event module:svgcanvas.SvgCanvas#event:ext-langChanged\n* @type {string}\n*/\n/**\n* Means for an extension to add locale data. The two-letter language code.\n* @event module:svgcanvas.SvgCanvas#event:ext-addLangData\n* @type {PlainObject}\n* @property {string} lang\n* @property {module:SVGEditor~ImportLocale} importLocale\n*/\n/**\n * Called when new image is created\n * @event module:svgcanvas.SvgCanvas#event:ext-onNewDocument\n * @type {undefined}\n */\n/**\n * Called when sidepanel is resized or toggled\n * @event module:svgcanvas.SvgCanvas#event:ext-workareaResized\n * @type {undefined}\n*/\n/**\n * Called upon addition of the extension, or, if svgicons are set,\n * after the icons are ready when extension SVG icons have loaded.\n * @event module:svgcanvas.SvgCanvas#event:ext-callback\n * @type {undefined}\n*/\n\n/**\n* Sets the zoom to the given level\n* @function module:svgcanvas.SvgCanvas#setZoom\n* @param {Float} zoomLevel - Float indicating the zoom level to change to\n* @fires module:svgcanvas.SvgCanvas#event:ext-zoomChanged\n* @returns {undefined}\n*/\nthis.setZoom = function (zoomLevel) {\n  const res = getResolution();\n  svgcontent.setAttribute('viewBox', '0 0 ' + res.w / zoomLevel + ' ' + res.h / zoomLevel);\n  currentZoom = zoomLevel;\n  $.each(selectedElements, function (i, elem) {\n    if (!elem) { return; }\n    selectorManager.requestSelector(elem).resize();\n  });\n  pathActions.zoomChange();\n  runExtensions('zoomChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} */ zoomLevel);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getMode\n* @returns {string} The current editor mode string\n*/\nthis.getMode = function () {\n  return currentMode;\n};\n\n/**\n* Sets the editor's mode to the given string\n* @function module:svgcanvas.SvgCanvas#setMode\n* @param {string} name - String with the new mode to change to\n* @returns {undefined}\n*/\nthis.setMode = function (name) {\n  pathActions.clear(true);\n  textActions.clear();\n  curProperties = (selectedElements[0] && selectedElements[0].nodeName === 'text') ? curText : curShape;\n  currentMode = name;\n};\n\n/**\n* Group: Element Styling\n*/\n\n/**\n* @typedef {PlainObject} module:svgcanvas.PaintOptions\n* @property {\"solidColor\"} type\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getColor\n* @param {string} type\n* @returns {string|module:svgcanvas.PaintOptions|Float|module:jGraduate~Paint} The current fill/stroke option\n*/\nthis.getColor = function (type) {\n  return curProperties[type];\n};\n\n/**\n* Change the current stroke/fill color/gradient value\n* @function module:svgcanvas.SvgCanvas#setColor\n* @param {string} type - String indicating fill or stroke\n* @param {string} val - The value to set the stroke attribute to\n* @param {boolean} preventUndo - Boolean indicating whether or not this should be an undoable option\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setColor = function (type, val, preventUndo) {\n  curShape[type] = val;\n  curProperties[type + '_paint'] = {type: 'solidColor'};\n  const elems = [];\n  function addNonG (e) {\n    if (e.nodeName !== 'g') {\n      elems.push(e);\n    }\n  }\n  let i = selectedElements.length;\n  while (i--) {\n    const elem = selectedElements[i];\n    if (elem) {\n      if (elem.tagName === 'g') {\n        walkTree(elem, addNonG);\n      } else {\n        if (type === 'fill') {\n          if (elem.tagName !== 'polyline' && elem.tagName !== 'line') {\n            elems.push(elem);\n          }\n        } else {\n          elems.push(elem);\n        }\n      }\n    }\n  }\n  if (elems.length > 0) {\n    if (!preventUndo) {\n      changeSelectedAttribute(type, val, elems);\n      call('changed', elems);\n    } else {\n      changeSelectedAttributeNoUndo(type, val, elems);\n    }\n  }\n};\n\n/**\n* Apply the current gradient to selected element's fill or stroke\n* @function module:svgcanvas.SvgCanvas#setGradient\n* @param {\"fill\"|\"stroke\"} type - String indicating \"fill\" or \"stroke\" to apply to an element\n* @returns {undefined}\n*/\nconst setGradient = this.setGradient = function (type) {\n  if (!curProperties[type + '_paint'] || curProperties[type + '_paint'].type === 'solidColor') { return; }\n  let grad = canvas[type + 'Grad'];\n  // find out if there is a duplicate gradient already in the defs\n  const duplicateGrad = findDuplicateGradient(grad);\n  const defs = findDefs();\n  // no duplicate found, so import gradient into defs\n  if (!duplicateGrad) {\n    // const origGrad = grad;\n    grad = defs.appendChild(svgdoc.importNode(grad, true));\n    // get next id and set it on the grad\n    grad.id = getNextId();\n  } else { // use existing gradient\n    grad = duplicateGrad;\n  }\n  canvas.setColor(type, 'url(#' + grad.id + ')');\n};\n\n/**\n* Check if exact gradient already exists\n* @function module:svgcanvas~findDuplicateGradient\n* @param {SVGGradientElement} grad - The gradient DOM element to compare to others\n* @returns {SVGGradientElement} The existing gradient if found, `null` if not\n*/\nconst findDuplicateGradient = function (grad) {\n  const defs = findDefs();\n  const existingGrads = $(defs).find('linearGradient, radialGradient');\n  let i = existingGrads.length;\n  const radAttrs = ['r', 'cx', 'cy', 'fx', 'fy'];\n  while (i--) {\n    const og = existingGrads[i];\n    if (grad.tagName === 'linearGradient') {\n      if (grad.getAttribute('x1') !== og.getAttribute('x1') ||\n        grad.getAttribute('y1') !== og.getAttribute('y1') ||\n        grad.getAttribute('x2') !== og.getAttribute('x2') ||\n        grad.getAttribute('y2') !== og.getAttribute('y2')\n      ) {\n        continue;\n      }\n    } else {\n      const gradAttrs = $(grad).attr(radAttrs);\n      const ogAttrs = $(og).attr(radAttrs);\n\n      let diff = false;\n      $.each(radAttrs, function (i, attr) {\n        if (gradAttrs[attr] !== ogAttrs[attr]) { diff = true; }\n      });\n\n      if (diff) { continue; }\n    }\n\n    // else could be a duplicate, iterate through stops\n    const stops = grad.getElementsByTagNameNS(NS.SVG, 'stop');\n    const ostops = og.getElementsByTagNameNS(NS.SVG, 'stop');\n\n    if (stops.length !== ostops.length) {\n      continue;\n    }\n\n    let j = stops.length;\n    while (j--) {\n      const stop = stops[j];\n      const ostop = ostops[j];\n\n      if (stop.getAttribute('offset') !== ostop.getAttribute('offset') ||\n        stop.getAttribute('stop-opacity') !== ostop.getAttribute('stop-opacity') ||\n        stop.getAttribute('stop-color') !== ostop.getAttribute('stop-color')) {\n        break;\n      }\n    }\n\n    if (j === -1) {\n      return og;\n    }\n  } // for each gradient in defs\n\n  return null;\n};\n\n/**\n* Set a color/gradient to a fill/stroke\n* @function module:svgcanvas.SvgCanvas#setPaint\n* @param {\"fill\"|\"stroke\"} type - String with \"fill\" or \"stroke\"\n* @param {module:jGraduate.jGraduatePaintOptions} paint - The jGraduate paint object to apply\n* @returns {undefined}\n*/\nthis.setPaint = function (type, paint) {\n  // make a copy\n  const p = new $.jGraduate.Paint(paint);\n  this.setPaintOpacity(type, p.alpha / 100, true);\n\n  // now set the current paint object\n  curProperties[type + '_paint'] = p;\n  switch (p.type) {\n  case 'solidColor':\n    this.setColor(type, p.solidColor !== 'none' ? '#' + p.solidColor : 'none');\n    break;\n  case 'linearGradient':\n  case 'radialGradient':\n    canvas[type + 'Grad'] = p[p.type];\n    setGradient(type);\n    break;\n  }\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#setStrokePaint\n* @param {module:jGraduate~Paint} paint\n* @returns {undefined}\n*/\nthis.setStrokePaint = function (paint) {\n  this.setPaint('stroke', paint);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#setFillPaint\n* @param {module:jGraduate~Paint} paint\n* @returns {undefined}\n*/\nthis.setFillPaint = function (paint) {\n  this.setPaint('fill', paint);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getStrokeWidth\n* @returns {Float|string} The current stroke-width value\n*/\nthis.getStrokeWidth = function () {\n  return curProperties.stroke_width;\n};\n\n/**\n* Sets the stroke width for the current selected elements.\n* When attempting to set a line's width to 0, this changes it to 1 instead\n* @function module:svgcanvas.SvgCanvas#setStrokeWidth\n* @param {Float} val - A Float indicating the new stroke width value\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setStrokeWidth = function (val) {\n  if (val === 0 && ['line', 'path'].includes(currentMode)) {\n    canvas.setStrokeWidth(1);\n    return;\n  }\n  curProperties.stroke_width = val;\n\n  const elems = [];\n  function addNonG (e) {\n    if (e.nodeName !== 'g') {\n      elems.push(e);\n    }\n  }\n  let i = selectedElements.length;\n  while (i--) {\n    const elem = selectedElements[i];\n    if (elem) {\n      if (elem.tagName === 'g') {\n        walkTree(elem, addNonG);\n      } else {\n        elems.push(elem);\n      }\n    }\n  }\n  if (elems.length > 0) {\n    changeSelectedAttribute('stroke-width', val, elems);\n    call('changed', selectedElements);\n  }\n};\n\n/**\n* Set the given stroke-related attribute the given value for selected elements\n* @function module:svgcanvas.SvgCanvas#setStrokeAttr\n* @param {string} attr - String with the attribute name\n* @param {string|Float} val - String or number with the attribute value\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setStrokeAttr = function (attr, val) {\n  curShape[attr.replace('-', '_')] = val;\n  const elems = [];\n\n  let i = selectedElements.length;\n  while (i--) {\n    const elem = selectedElements[i];\n    if (elem) {\n      if (elem.tagName === 'g') {\n        walkTree(elem, function (e) { if (e.nodeName !== 'g') { elems.push(e); } });\n      } else {\n        elems.push(elem);\n      }\n    }\n  }\n  if (elems.length > 0) {\n    changeSelectedAttribute(attr, val, elems);\n    call('changed', selectedElements);\n  }\n};\n\n/**\n* @typedef {PlainObject} module:svgcanvas.StyleOptions\n* @property {string} fill\n* @property {Float} fill_opacity\n* @property {string} stroke\n* @property {Float} stroke_width\n* @property {string} stroke_dasharray\n* @property {string} stroke_linejoin\n* @property {string} stroke_linecap\n* @property {Float} stroke_opacity\n* @property {Float} opacity\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getStyle\n* @returns {module:svgcanvas.StyleOptions} current style options\n*/\nthis.getStyle = function () {\n  return curShape;\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getOpacity\n* @returns {Float} the current opacity\n*/\nthis.getOpacity = getOpacity;\n\n/**\n* Sets the given opacity to the current selected elements\n* @function module:svgcanvas.SvgCanvas#setOpacity\n* @param {string} val\n* @returns {undefined}\n*/\nthis.setOpacity = function (val) {\n  curShape.opacity = val;\n  changeSelectedAttribute('opacity', val);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getFillOpacity\n* @returns {Float} the current fill opacity\n*/\nthis.getFillOpacity = function () {\n  return curShape.fill_opacity;\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getStrokeOpacity\n* @returns {string} the current stroke opacity\n*/\nthis.getStrokeOpacity = function () {\n  return curShape.stroke_opacity;\n};\n\n/**\n* Sets the current fill/stroke opacity\n* @function module:svgcanvas.SvgCanvas#setPaintOpacity\n* @param {string} type - String with \"fill\" or \"stroke\"\n* @param {Float} val - Float with the new opacity value\n* @param {boolean} preventUndo - Indicates whether or not this should be an undoable action\n* @returns {undefined}\n*/\nthis.setPaintOpacity = function (type, val, preventUndo) {\n  curShape[type + '_opacity'] = val;\n  if (!preventUndo) {\n    changeSelectedAttribute(type + '-opacity', val);\n  } else {\n    changeSelectedAttributeNoUndo(type + '-opacity', val);\n  }\n};\n\n/**\n* Gets the current fill/stroke opacity\n* @function module:svgcanvas.SvgCanvas#getPaintOpacity\n* @param {\"fill\"|\"stroke\"} type - String with \"fill\" or \"stroke\"\n* @returns {Float} Fill/stroke opacity\n*/\nthis.getPaintOpacity = function (type) {\n  return type === 'fill' ? this.getFillOpacity() : this.getStrokeOpacity();\n};\n\n/**\n* Gets the `stdDeviation` blur value of the given element\n* @function module:svgcanvas.SvgCanvas#getBlur\n* @param {Element} elem - The element to check the blur value for\n* @returns {string} stdDeviation blur attribute value\n*/\nthis.getBlur = function (elem) {\n  let val = 0;\n  // const elem = selectedElements[0];\n\n  if (elem) {\n    const filterUrl = elem.getAttribute('filter');\n    if (filterUrl) {\n      const blur = getElem(elem.id + '_blur');\n      if (blur) {\n        val = blur.firstChild.getAttribute('stdDeviation');\n      }\n    }\n  }\n  return val;\n};\n\n(function () {\nlet curCommand = null;\nlet filter = null;\nlet filterHidden = false;\n\n/**\n* Sets the `stdDeviation` blur value on the selected element without being undoable\n* @function module:svgcanvas.SvgCanvas#setBlurNoUndo\n* @param {Float} val - The new `stdDeviation` value\n* @returns {undefined}\n*/\ncanvas.setBlurNoUndo = function (val) {\n  if (!filter) {\n    canvas.setBlur(val);\n    return;\n  }\n  if (val === 0) {\n    // Don't change the StdDev, as that will hide the element.\n    // Instead, just remove the value for \"filter\"\n    changeSelectedAttributeNoUndo('filter', '');\n    filterHidden = true;\n  } else {\n    const elem = selectedElements[0];\n    if (filterHidden) {\n      changeSelectedAttributeNoUndo('filter', 'url(#' + elem.id + '_blur)');\n    }\n    if (isWebkit()) {\n      console.log('e', elem);\n      elem.removeAttribute('filter');\n      elem.setAttribute('filter', 'url(#' + elem.id + '_blur)');\n    }\n    changeSelectedAttributeNoUndo('stdDeviation', val, [filter.firstChild]);\n    canvas.setBlurOffsets(filter, val);\n  }\n};\n\nfunction finishChange () {\n  const bCmd = canvas.undoMgr.finishUndoableChange();\n  curCommand.addSubCommand(bCmd);\n  addCommandToHistory(curCommand);\n  curCommand = null;\n  filter = null;\n}\n\n/**\n* Sets the `x`, `y`, `width`, `height` values of the filter element in order to\n* make the blur not be clipped. Removes them if not neeeded\n* @function module:svgcanvas.SvgCanvas#setBlurOffsets\n* @param {Element} filter - The filter DOM element to update\n* @param {Float} stdDev - The standard deviation value on which to base the offset size\n* @returns {undefined}\n*/\ncanvas.setBlurOffsets = function (filter, stdDev) {\n  if (stdDev > 3) {\n    // TODO: Create algorithm here where size is based on expected blur\n    assignAttributes(filter, {\n      x: '-50%',\n      y: '-50%',\n      width: '200%',\n      height: '200%'\n    }, 100);\n  } else {\n    // Removing these attributes hides text in Chrome (see Issue 579)\n    if (!isWebkit()) {\n      filter.removeAttribute('x');\n      filter.removeAttribute('y');\n      filter.removeAttribute('width');\n      filter.removeAttribute('height');\n    }\n  }\n};\n\n/**\n* Adds/updates the blur filter to the selected element\n* @function module:svgcanvas.SvgCanvas#setBlur\n* @param {Float} val - Float with the new `stdDeviation` blur value\n* @param {boolean} complete - Whether or not the action should be completed (to add to the undo manager)\n* @returns {undefined}\n*/\ncanvas.setBlur = function (val, complete) {\n  if (curCommand) {\n    finishChange();\n    return;\n  }\n\n  // Looks for associated blur, creates one if not found\n  const elem = selectedElements[0];\n  const elemId = elem.id;\n  filter = getElem(elemId + '_blur');\n\n  val -= 0;\n\n  const batchCmd = new BatchCommand();\n\n  // Blur found!\n  if (filter) {\n    if (val === 0) {\n      filter = null;\n    }\n  } else {\n    // Not found, so create\n    const newblur = addSVGElementFromJson({element: 'feGaussianBlur',\n      attr: {\n        in: 'SourceGraphic',\n        stdDeviation: val\n      }\n    });\n\n    filter = addSVGElementFromJson({element: 'filter',\n      attr: {\n        id: elemId + '_blur'\n      }\n    });\n\n    filter.append(newblur);\n    findDefs().append(filter);\n\n    batchCmd.addSubCommand(new InsertElementCommand(filter));\n  }\n\n  const changes = {filter: elem.getAttribute('filter')};\n\n  if (val === 0) {\n    elem.removeAttribute('filter');\n    batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));\n    return;\n  }\n\n  changeSelectedAttribute('filter', 'url(#' + elemId + '_blur)');\n  batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));\n  canvas.setBlurOffsets(filter, val);\n\n  curCommand = batchCmd;\n  canvas.undoMgr.beginUndoableChange('stdDeviation', [filter ? filter.firstChild : null]);\n  if (complete) {\n    canvas.setBlurNoUndo(val);\n    finishChange();\n  }\n};\n}());\n\n/**\n* Check whether selected element is bold or not\n* @function module:svgcanvas.SvgCanvas#getBold\n* @returns {boolean} Indicates whether or not element is bold\n*/\nthis.getBold = function () {\n  // should only have one element selected\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'text' &&\n    selectedElements[1] == null) {\n    return (selected.getAttribute('font-weight') === 'bold');\n  }\n  return false;\n};\n\n/**\n* Make the selected element bold or normal\n* @function module:svgcanvas.SvgCanvas#setBold\n* @param {boolean} b - Indicates bold (`true`) or normal (`false`)\n* @returns {undefined}\n*/\nthis.setBold = function (b) {\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'text' &&\n    selectedElements[1] == null) {\n    changeSelectedAttribute('font-weight', b ? 'bold' : 'normal');\n  }\n  if (!selectedElements[0].textContent) {\n    textActions.setCursor();\n  }\n};\n\n/**\n* Check whether selected element is italic or not\n* @function module:svgcanvas.SvgCanvas#getItalic\n* @returns {boolean} Indicates whether or not element is italic\n*/\nthis.getItalic = function () {\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'text' &&\n    selectedElements[1] == null) {\n    return (selected.getAttribute('font-style') === 'italic');\n  }\n  return false;\n};\n\n/**\n* Make the selected element italic or normal\n* @function module:svgcanvas.SvgCanvas#setItalic\n* @param {boolean} b - Indicates italic (`true`) or normal (`false`)\n* @returns {undefined}\n*/\nthis.setItalic = function (i) {\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'text' &&\n    selectedElements[1] == null) {\n    changeSelectedAttribute('font-style', i ? 'italic' : 'normal');\n  }\n  if (!selectedElements[0].textContent) {\n    textActions.setCursor();\n  }\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getFontFamily\n* @returns {string} The current font family\n*/\nthis.getFontFamily = function () {\n  return curText.font_family;\n};\n\n/**\n* Set the new font family\n* @function module:svgcanvas.SvgCanvas#setFontFamily\n* @param {string} val - String with the new font family\n* @returns {undefined}\n*/\nthis.setFontFamily = function (val) {\n  curText.font_family = val;\n  changeSelectedAttribute('font-family', val);\n  if (selectedElements[0] && !selectedElements[0].textContent) {\n    textActions.setCursor();\n  }\n};\n\n/**\n* Set the new font color\n* @function module:svgcanvas.SvgCanvas#setFontColor\n* @param {string} val - String with the new font color\n* @returns {undefined}\n*/\nthis.setFontColor = function (val) {\n  curText.fill = val;\n  changeSelectedAttribute('fill', val);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getFontColor\n* @returns {string} The current font color\n*/\nthis.getFontColor = function () {\n  return curText.fill;\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getFontSize\n* @returns {Float} The current font size\n*/\nthis.getFontSize = function () {\n  return curText.font_size;\n};\n\n/**\n* Applies the given font size to the selected element\n* @function module:svgcanvas.SvgCanvas#setFontSize\n* @param {Float} val - Float with the new font size\n* @returns {undefined}\n*/\nthis.setFontSize = function (val) {\n  curText.font_size = val;\n  changeSelectedAttribute('font-size', val);\n  if (!selectedElements[0].textContent) {\n    textActions.setCursor();\n  }\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getText\n* @returns {string} The current text (`textContent`) of the selected element\n*/\nthis.getText = function () {\n  const selected = selectedElements[0];\n  if (selected == null) { return ''; }\n  return selected.textContent;\n};\n\n/**\n* Updates the text element with the given string\n* @function module:svgcanvas.SvgCanvas#setTextContent\n* @param {string} val - String with the new text\n* @returns {undefined}\n*/\nthis.setTextContent = function (val) {\n  changeSelectedAttribute('#text', val);\n  textActions.init(val);\n  textActions.setCursor();\n};\n\n/**\n* Sets the new image URL for the selected image element. Updates its size if\n* a new URL is given\n* @function module:svgcanvas.SvgCanvas#setImageURL\n* @param {string} val - String with the image URL/path\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setImageURL = function (val) {\n  const elem = selectedElements[0];\n  if (!elem) { return; }\n\n  const attrs = $(elem).attr(['width', 'height']);\n  const setsize = (!attrs.width || !attrs.height);\n\n  const curHref = getHref(elem);\n\n  // Do nothing if no URL change or size change\n  if (curHref === val && !setsize) {\n    return;\n  }\n\n  const batchCmd = new BatchCommand('Change Image URL');\n\n  setHref(elem, val);\n  batchCmd.addSubCommand(new ChangeElementCommand(elem, {\n    '#href': curHref\n  }));\n\n  $(new Image()).load(function () {\n    const changes = $(elem).attr(['width', 'height']);\n\n    $(elem).attr({\n      width: this.width,\n      height: this.height\n    });\n\n    selectorManager.requestSelector(elem).resize();\n\n    batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));\n    addCommandToHistory(batchCmd);\n    call('changed', [elem]);\n  }).attr('src', val);\n};\n\n/**\n* Sets the new link URL for the selected anchor element.\n* @function module:svgcanvas.SvgCanvas#setLinkURL\n* @param {string} val - String with the link URL/path\n* @returns {undefined}\n*/\nthis.setLinkURL = function (val) {\n  let elem = selectedElements[0];\n  if (!elem) { return; }\n  if (elem.tagName !== 'a') {\n    // See if parent is an anchor\n    const parentsA = $(elem).parents('a');\n    if (parentsA.length) {\n      elem = parentsA[0];\n    } else {\n      return;\n    }\n  }\n\n  const curHref = getHref(elem);\n\n  if (curHref === val) { return; }\n\n  const batchCmd = new BatchCommand('Change Link URL');\n\n  setHref(elem, val);\n  batchCmd.addSubCommand(new ChangeElementCommand(elem, {\n    '#href': curHref\n  }));\n\n  addCommandToHistory(batchCmd);\n};\n\n/**\n* Sets the `rx` and `ry` values to the selected `rect` element to change its corner radius\n* @function module:svgcanvas.SvgCanvas#setRectRadius\n* @param {string|Float} val - The new radius\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setRectRadius = function (val) {\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'rect') {\n    const r = selected.getAttribute('rx');\n    if (r !== String(val)) {\n      selected.setAttribute('rx', val);\n      selected.setAttribute('ry', val);\n      addCommandToHistory(new ChangeElementCommand(selected, {rx: r, ry: r}, 'Radius'));\n      call('changed', [selected]);\n    }\n  }\n};\n\n/**\n* Wraps the selected element(s) in an anchor element or converts group to one\n* @function module:svgcanvas.SvgCanvas#makeHyperlink\n* @param {string} url\n* @returns {undefined}\n*/\nthis.makeHyperlink = function (url) {\n  canvas.groupSelectedElements('a', url);\n\n  // TODO: If element is a single \"g\", convert to \"a\"\n  //  if (selectedElements.length > 1 && selectedElements[1]) {\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#removeHyperlink\n* @returns {undefined}\n*/\nthis.removeHyperlink = function () {\n  canvas.ungroupSelectedElement();\n};\n\n/**\n* Group: Element manipulation\n*/\n\n/**\n* Sets the new segment type to the selected segment(s).\n* @function module:svgcanvas.SvgCanvas#setSegType\n* @param {Integer} newType - New segment type. See {@link https://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSeg} for list\n* @returns {undefined}\n*/\nthis.setSegType = function (newType) {\n  pathActions.setSegType(newType);\n};\n\n/**\n* Convert selected element to a path, or get the BBox of an element-as-path\n* @function module:svgcanvas.SvgCanvas#convertToPath\n* @todo (codedread): Remove the getBBox argument and split this function into two.\n* @param {Element} elem - The DOM element to be converted\n* @param {boolean} getBBox - Boolean on whether or not to only return the path's BBox\n* @returns {undefined|DOMRect|false|SVGPathElement|null} If the getBBox flag is true, the resulting path's bounding box object.\n* Otherwise the resulting path element is returned.\n*/\nthis.convertToPath = function (elem, getBBox) {\n  if (elem == null) {\n    const elems = selectedElements;\n    $.each(elems, function (i, elem) {\n      if (elem) { canvas.convertToPath(elem); }\n    });\n    return;\n  }\n  if (getBBox) {\n    return getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions);\n  }\n  // TODO: Why is this applying attributes from curShape, then inside utilities.convertToPath it's pulling addition attributes from elem?\n  // TODO: If convertToPath is called with one elem, curShape and elem are probably the same; but calling with multiple is a bug or cool feature.\n  const attrs = {\n    fill: curShape.fill,\n    'fill-opacity': curShape.fill_opacity,\n    stroke: curShape.stroke,\n    'stroke-width': curShape.stroke_width,\n    'stroke-dasharray': curShape.stroke_dasharray,\n    'stroke-linejoin': curShape.stroke_linejoin,\n    'stroke-linecap': curShape.stroke_linecap,\n    'stroke-opacity': curShape.stroke_opacity,\n    opacity: curShape.opacity,\n    visibility: 'hidden'\n  };\n  return convertToPath(elem, attrs, addSVGElementFromJson, pathActions, clearSelection, addToSelection, history, addCommandToHistory);\n};\n\n/**\n* This function makes the changes to the elements. It does not add the change\n* to the history stack.\n* @param {string} attr - Attribute name\n* @param {string|Float} newValue - String or number with the new attribute value\n* @param {Element[]} elems - The DOM elements to apply the change to\n* @returns {undefined}\n*/\nconst changeSelectedAttributeNoUndo = function (attr, newValue, elems) {\n  if (currentMode === 'pathedit') {\n    // Editing node\n    pathActions.moveNode(attr, newValue);\n  }\n  elems = elems || selectedElements;\n  let i = elems.length;\n  const noXYElems = ['g', 'polyline', 'path'];\n  const goodGAttrs = ['transform', 'opacity', 'filter'];\n\n  while (i--) {\n    let elem = elems[i];\n    if (elem == null) { continue; }\n\n    // Set x,y vals on elements that don't have them\n    if ((attr === 'x' || attr === 'y') && noXYElems.includes(elem.tagName)) {\n      const bbox = getStrokedBBoxDefaultVisible([elem]);\n      const diffX = attr === 'x' ? newValue - bbox.x : 0;\n      const diffY = attr === 'y' ? newValue - bbox.y : 0;\n      canvas.moveSelectedElements(diffX * currentZoom, diffY * currentZoom, true);\n      continue;\n    }\n\n    // only allow the transform/opacity/filter attribute to change on <g> elements, slightly hacky\n    // TODO: FIXME: This doesn't seem right. Where's the body of this if statement?\n    if (elem.tagName === 'g' && goodGAttrs.includes(attr)) {}\n    let oldval = attr === '#text' ? elem.textContent : elem.getAttribute(attr);\n    if (oldval == null) { oldval = ''; }\n    if (oldval !== String(newValue)) {\n      if (attr === '#text') {\n        // const oldW = utilsGetBBox(elem).width;\n        elem.textContent = newValue;\n\n        // FF bug occurs on on rotated elements\n        if ((/rotate/).test(elem.getAttribute('transform'))) {\n          elem = ffClone(elem);\n        }\n        // Hoped to solve the issue of moving text with text-anchor=\"start\",\n        // but this doesn't actually fix it. Hopefully on the right track, though. -Fyrd\n        // const box = getBBox(elem), left = box.x, top = box.y, {width, height} = box,\n        //   dx = width - oldW, dy = 0;\n        // const angle = getRotationAngle(elem, true);\n        // if (angle) {\n        //   const r = Math.sqrt(dx * dx + dy * dy);\n        //   const theta = Math.atan2(dy, dx) - angle;\n        //   dx = r * Math.cos(theta);\n        //   dy = r * Math.sin(theta);\n        //\n        //   elem.setAttribute('x', elem.getAttribute('x') - dx);\n        //   elem.setAttribute('y', elem.getAttribute('y') - dy);\n        // }\n      } else if (attr === '#href') {\n        setHref(elem, newValue);\n      } else { elem.setAttribute(attr, newValue); }\n\n      // Go into \"select\" mode for text changes\n      // NOTE: Important that this happens AFTER elem.setAttribute() or else attributes like\n      // font-size can get reset to their old value, ultimately by svgEditor.updateContextPanel(),\n      // after calling textActions.toSelectMode() below\n      if (currentMode === 'textedit' && attr !== '#text' && elem.textContent.length) {\n        textActions.toSelectMode(elem);\n      }\n\n      // if (i === 0) {\n      //   selectedBBoxes[0] = utilsGetBBox(elem);\n      // }\n\n      // Use the Firefox ffClone hack for text elements with gradients or\n      // where other text attributes are changed.\n      if (isGecko() && elem.nodeName === 'text' && (/rotate/).test(elem.getAttribute('transform'))) {\n        if (String(newValue).startsWith('url') || (['font-size', 'font-family', 'x', 'y'].includes(attr) && elem.textContent)) {\n          elem = ffClone(elem);\n        }\n      }\n      // Timeout needed for Opera & Firefox\n      // codedread: it is now possible for this function to be called with elements\n      // that are not in the selectedElements array, we need to only request a\n      // selector if the element is in that array\n      if (selectedElements.includes(elem)) {\n        setTimeout(function () {\n          // Due to element replacement, this element may no longer\n          // be part of the DOM\n          if (!elem.parentNode) { return; }\n          selectorManager.requestSelector(elem).resize();\n        }, 0);\n      }\n      // if this element was rotated, and we changed the position of this element\n      // we need to update the rotational transform attribute\n      const angle = getRotationAngle(elem);\n      if (angle !== 0 && attr !== 'transform') {\n        const tlist = getTransformList(elem);\n        let n = tlist.numberOfItems;\n        while (n--) {\n          const xform = tlist.getItem(n);\n          if (xform.type === 4) {\n            // remove old rotate\n            tlist.removeItem(n);\n\n            const box = utilsGetBBox(elem);\n            const center = transformPoint(box.x + box.width / 2, box.y + box.height / 2, transformListToTransform(tlist).matrix);\n            const cx = center.x,\n              cy = center.y;\n            const newrot = svgroot.createSVGTransform();\n            newrot.setRotate(angle, cx, cy);\n            tlist.insertItemBefore(newrot, n);\n            break;\n          }\n        }\n      }\n    } // if oldValue != newValue\n  } // for each elem\n};\n\n/**\n* Change the given/selected element and add the original value to the history stack.\n* If you want to change all `selectedElements`, ignore the `elems` argument.\n* If you want to change only a subset of `selectedElements`, then send the\n* subset to this function in the `elems` argument.\n* @function module:svgcanvas.SvgCanvas#changeSelectedAttribute\n* @param {string} attr - String with the attribute name\n* @param {string|Float} newValue - String or number with the new attribute value\n* @param {Element[]} elems - The DOM elements to apply the change to\n* @returns {undefined}\n*/\nconst changeSelectedAttribute = this.changeSelectedAttribute = function (attr, val, elems) {\n  elems = elems || selectedElements;\n  canvas.undoMgr.beginUndoableChange(attr, elems);\n  // const i = elems.length;\n\n  changeSelectedAttributeNoUndo(attr, val, elems);\n\n  const batchCmd = canvas.undoMgr.finishUndoableChange();\n  if (!batchCmd.isEmpty()) {\n    addCommandToHistory(batchCmd);\n  }\n};\n\n/**\n* Removes all selected elements from the DOM and adds the change to the\n* history stack\n* @function module:svgcanvas.SvgCanvas#deleteSelectedElements\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.deleteSelectedElements = function () {\n  const batchCmd = new BatchCommand('Delete Elements');\n  const len = selectedElements.length;\n  const selectedCopy = []; // selectedElements is being deleted\n\n  for (let i = 0; i < len; ++i) {\n    const selected = selectedElements[i];\n    if (selected == null) { break; }\n\n    let parent = selected.parentNode;\n    let t = selected;\n\n    // this will unselect the element and remove the selectedOutline\n    selectorManager.releaseSelector(t);\n\n    // Remove the path if present.\n    pathModule.removePath_(t.id);\n\n    // Get the parent if it's a single-child anchor\n    if (parent.tagName === 'a' && parent.childNodes.length === 1) {\n      t = parent;\n      parent = parent.parentNode;\n    }\n\n    const {nextSibling} = t;\n    const elem = parent.removeChild(t);\n    selectedCopy.push(selected); // for the copy\n    batchCmd.addSubCommand(new RemoveElementCommand(elem, nextSibling, parent));\n  }\n  selectedElements = [];\n\n  if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); }\n  call('changed', selectedCopy);\n  clearSelection();\n};\n\n/**\n* Removes all selected elements from the DOM and adds the change to the\n* history stack. Remembers removed elements on the clipboard\n* @function module:svgcanvas.SvgCanvas#cutSelectedElements\n* @returns {undefined}\n*/\nthis.cutSelectedElements = function () {\n  canvas.copySelectedElements();\n  canvas.deleteSelectedElements();\n};\n\n/**\n* Remembers the current selected elements on the clipboard\n* @function module:svgcanvas.SvgCanvas#copySelectedElements\n* @returns {undefined}\n*/\nthis.copySelectedElements = function () {\n  localStorage.setItem('svgedit_clipboard', JSON.stringify(\n    selectedElements.map(function (x) { return getJsonFromSvgElement(x); })\n  ));\n\n  $('#cmenu_canvas').enableContextMenuItems('#paste,#paste_in_place');\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#pasteElements\n* @param {\"in_place\"|\"point\"|undefined} type\n* @param {Integer|undefined} x Expected if type is \"point\"\n* @param {Integer|undefined} y Expected if type is \"point\"\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @fires module:svgcanvas.SvgCanvas#event:ext-IDsUpdated\n* @returns {undefined}\n*/\nthis.pasteElements = function (type, x, y) {\n  let clipb = JSON.parse(localStorage.getItem('svgedit_clipboard'));\n  let len = clipb.length;\n  if (!len) { return; }\n\n  const pasted = [];\n  const batchCmd = new BatchCommand('Paste elements');\n  // const drawing = getCurrentDrawing();\n  /**\n  * @typedef {PlainObject.<string, string>} module:svgcanvas.ChangedIDs\n  */\n  /**\n   * @type {module:svgcanvas.ChangedIDs}\n   */\n  const changedIDs = {};\n\n  // Recursively replace IDs and record the changes\n  function checkIDs (elem) {\n    if (elem.attr && elem.attr.id) {\n      changedIDs[elem.attr.id] = getNextId();\n      elem.attr.id = changedIDs[elem.attr.id];\n    }\n    if (elem.children) elem.children.forEach(checkIDs);\n  }\n  clipb.forEach(checkIDs);\n\n  // Give extensions like the connector extension a chance to reflect new IDs and remove invalid elements\n  /**\n  * Triggered when `pasteElements` is called from a paste action (context menu or key)\n  * @event module:svgcanvas.SvgCanvas#event:ext-IDsUpdated\n  * @type {PlainObject}\n  * @property {module:svgcanvas.SVGAsJSON[]} elems\n  * @property {module:svgcanvas.ChangedIDs} changes Maps past ID (on attribute) to current ID\n  */\n  runExtensions(\n    'IDsUpdated',\n    /** @type {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} */\n    {elems: clipb, changes: changedIDs},\n    true\n  ).forEach(function (extChanges) {\n    if (!extChanges || !('remove' in extChanges)) return;\n\n    extChanges.remove.forEach(function (removeID) {\n      clipb = clipb.filter(function (clipBoardItem) {\n        return clipBoardItem.attr.id !== removeID;\n      });\n    });\n  });\n\n  // Move elements to lastClickPoint\n  while (len--) {\n    const elem = clipb[len];\n    if (!elem) { continue; }\n\n    const copy = addSVGElementFromJson(elem);\n    pasted.push(copy);\n    batchCmd.addSubCommand(new InsertElementCommand(copy));\n\n    restoreRefElems(copy);\n  }\n\n  selectOnly(pasted);\n\n  if (type !== 'in_place') {\n    let ctrX, ctrY;\n\n    if (!type) {\n      ctrX = lastClickPoint.x;\n      ctrY = lastClickPoint.y;\n    } else if (type === 'point') {\n      ctrX = x;\n      ctrY = y;\n    }\n\n    const bbox = getStrokedBBoxDefaultVisible(pasted);\n    const cx = ctrX - (bbox.x + bbox.width / 2),\n      cy = ctrY - (bbox.y + bbox.height / 2),\n      dx = [],\n      dy = [];\n\n    $.each(pasted, function (i, item) {\n      dx.push(cx);\n      dy.push(cy);\n    });\n\n    const cmd = canvas.moveSelectedElements(dx, dy, false);\n    if (cmd) batchCmd.addSubCommand(cmd);\n  }\n\n  addCommandToHistory(batchCmd);\n  call('changed', pasted);\n};\n\n/**\n* Wraps all the selected elements in a group (`g`) element\n* @function module:svgcanvas.SvgCanvas#groupSelectedElements\n* @param {\"a\"|\"g\"} [type=\"g\"] - type of element to group into, defaults to `<g>`\n* @param {string} [urlArg]\n* @returns {undefined}\n*/\nthis.groupSelectedElements = function (type, urlArg) {\n  if (!type) { type = 'g'; }\n  let cmdStr = '';\n  let url;\n\n  switch (type) {\n  case 'a': {\n    cmdStr = 'Make hyperlink';\n    url = urlArg || '';\n    break;\n  } default: {\n    type = 'g';\n    cmdStr = 'Group Elements';\n    break;\n  }\n  }\n\n  const batchCmd = new BatchCommand(cmdStr);\n\n  // create and insert the group element\n  const g = addSVGElementFromJson({\n    element: type,\n    attr: {\n      id: getNextId()\n    }\n  });\n  if (type === 'a') {\n    setHref(g, url);\n  }\n  batchCmd.addSubCommand(new InsertElementCommand(g));\n\n  // now move all children into the group\n  let i = selectedElements.length;\n  while (i--) {\n    let elem = selectedElements[i];\n    if (elem == null) { continue; }\n\n    if (elem.parentNode.tagName === 'a' && elem.parentNode.childNodes.length === 1) {\n      elem = elem.parentNode;\n    }\n\n    const oldNextSibling = elem.nextSibling;\n    const oldParent = elem.parentNode;\n    g.append(elem);\n    batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldParent));\n  }\n  if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); }\n\n  // update selection\n  selectOnly([g], true);\n};\n\n/**\n* Pushes all appropriate parent group properties down to its children, then\n* removes them from the group\n* @function module:svgcanvas.SvgCanvas#pushGroupProperties\n* @param {SVGAElement|SVGGElement} g\n* @param {boolean} undoable\n* @returns {undefined}\n*/\nconst pushGroupProperties = this.pushGroupProperties = function (g, undoable) {\n  const children = g.childNodes;\n  const len = children.length;\n  const xform = g.getAttribute('transform');\n\n  const glist = getTransformList(g);\n  const m = transformListToTransform(glist).matrix;\n\n  const batchCmd = new BatchCommand('Push group properties');\n\n  // TODO: get all fill/stroke properties from the group that we are about to destroy\n  // \"fill\", \"fill-opacity\", \"fill-rule\", \"stroke\", \"stroke-dasharray\", \"stroke-dashoffset\",\n  // \"stroke-linecap\", \"stroke-linejoin\", \"stroke-miterlimit\", \"stroke-opacity\",\n  // \"stroke-width\"\n  // and then for each child, if they do not have the attribute (or the value is 'inherit')\n  // then set the child's attribute\n\n  const gangle = getRotationAngle(g);\n\n  const gattrs = $(g).attr(['filter', 'opacity']);\n  let gfilter, gblur, changes;\n  const drawing = getCurrentDrawing();\n\n  for (let i = 0; i < len; i++) {\n    const elem = children[i];\n\n    if (elem.nodeType !== 1) { continue; }\n\n    if (gattrs.opacity !== null && gattrs.opacity !== 1) {\n      // const c_opac = elem.getAttribute('opacity') || 1;\n      const newOpac = Math.round((elem.getAttribute('opacity') || 1) * gattrs.opacity * 100) / 100;\n      changeSelectedAttribute('opacity', newOpac, [elem]);\n    }\n\n    if (gattrs.filter) {\n      let cblur = this.getBlur(elem);\n      const origCblur = cblur;\n      if (!gblur) { gblur = this.getBlur(g); }\n      if (cblur) {\n        // Is this formula correct?\n        cblur = Number(gblur) + Number(cblur);\n      } else if (cblur === 0) {\n        cblur = gblur;\n      }\n\n      // If child has no current filter, get group's filter or clone it.\n      if (!origCblur) {\n        // Set group's filter to use first child's ID\n        if (!gfilter) {\n          gfilter = getRefElem(gattrs.filter);\n        } else {\n          // Clone the group's filter\n          gfilter = drawing.copyElem(gfilter);\n          findDefs().append(gfilter);\n        }\n      } else {\n        gfilter = getRefElem(elem.getAttribute('filter'));\n      }\n\n      // Change this in future for different filters\n      const suffix = (gfilter.firstChild.tagName === 'feGaussianBlur') ? 'blur' : 'filter';\n      gfilter.id = elem.id + '_' + suffix;\n      changeSelectedAttribute('filter', 'url(#' + gfilter.id + ')', [elem]);\n\n      // Update blur value\n      if (cblur) {\n        changeSelectedAttribute('stdDeviation', cblur, [gfilter.firstChild]);\n        canvas.setBlurOffsets(gfilter, cblur);\n      }\n    }\n\n    let chtlist = getTransformList(elem);\n\n    // Don't process gradient transforms\n    if (elem.tagName.includes('Gradient')) { chtlist = null; }\n\n    // Hopefully not a problem to add this. Necessary for elements like <desc/>\n    if (!chtlist) { continue; }\n\n    // Apparently <defs> can get get a transformlist, but we don't want it to have one!\n    if (elem.tagName === 'defs') { continue; }\n\n    if (glist.numberOfItems) {\n      // TODO: if the group's transform is just a rotate, we can always transfer the\n      // rotate() down to the children (collapsing consecutive rotates and factoring\n      // out any translates)\n      if (gangle && glist.numberOfItems === 1) {\n        // [Rg] [Rc] [Mc]\n        // we want [Tr] [Rc2] [Mc] where:\n        //  - [Rc2] is at the child's current center but has the\n        // sum of the group and child's rotation angles\n        //  - [Tr] is the equivalent translation that this child\n        // undergoes if the group wasn't there\n\n        // [Tr] = [Rg] [Rc] [Rc2_inv]\n\n        // get group's rotation matrix (Rg)\n        const rgm = glist.getItem(0).matrix;\n\n        // get child's rotation matrix (Rc)\n        let rcm = svgroot.createSVGMatrix();\n        const cangle = getRotationAngle(elem);\n        if (cangle) {\n          rcm = chtlist.getItem(0).matrix;\n        }\n\n        // get child's old center of rotation\n        const cbox = utilsGetBBox(elem);\n        const ceqm = transformListToTransform(chtlist).matrix;\n        const coldc = transformPoint(cbox.x + cbox.width / 2, cbox.y + cbox.height / 2, ceqm);\n\n        // sum group and child's angles\n        const sangle = gangle + cangle;\n\n        // get child's rotation at the old center (Rc2_inv)\n        const r2 = svgroot.createSVGTransform();\n        r2.setRotate(sangle, coldc.x, coldc.y);\n\n        // calculate equivalent translate\n        const trm = matrixMultiply(rgm, rcm, r2.matrix.inverse());\n\n        // set up tlist\n        if (cangle) {\n          chtlist.removeItem(0);\n        }\n\n        if (sangle) {\n          if (chtlist.numberOfItems) {\n            chtlist.insertItemBefore(r2, 0);\n          } else {\n            chtlist.appendItem(r2);\n          }\n        }\n\n        if (trm.e || trm.f) {\n          const tr = svgroot.createSVGTransform();\n          tr.setTranslate(trm.e, trm.f);\n          if (chtlist.numberOfItems) {\n            chtlist.insertItemBefore(tr, 0);\n          } else {\n            chtlist.appendItem(tr);\n          }\n        }\n      } else { // more complicated than just a rotate\n        // transfer the group's transform down to each child and then\n        // call recalculateDimensions()\n        const oldxform = elem.getAttribute('transform');\n        changes = {};\n        changes.transform = oldxform || '';\n\n        const newxform = svgroot.createSVGTransform();\n\n        // [ gm ] [ chm ] = [ chm ] [ gm' ]\n        // [ gm' ] = [ chmInv ] [ gm ] [ chm ]\n        const chm = transformListToTransform(chtlist).matrix,\n          chmInv = chm.inverse();\n        const gm = matrixMultiply(chmInv, m, chm);\n        newxform.setMatrix(gm);\n        chtlist.appendItem(newxform);\n      }\n      const cmd = recalculateDimensions(elem);\n      if (cmd) { batchCmd.addSubCommand(cmd); }\n    }\n  }\n\n  // remove transform and make it undo-able\n  if (xform) {\n    changes = {};\n    changes.transform = xform;\n    g.setAttribute('transform', '');\n    g.removeAttribute('transform');\n    batchCmd.addSubCommand(new ChangeElementCommand(g, changes));\n  }\n\n  if (undoable && !batchCmd.isEmpty()) {\n    return batchCmd;\n  }\n};\n\n/**\n* Unwraps all the elements in a selected group (`g`) element. This requires\n* significant recalculations to apply group's transforms, etc. to its children\n* @function module:svgcanvas.SvgCanvas#ungroupSelectedElement\n* @returns {undefined}\n*/\nthis.ungroupSelectedElement = function () {\n  let g = selectedElements[0];\n  if (!g) {\n    return;\n  }\n  if ($(g).data('gsvg') || $(g).data('symbol')) {\n    // Is svg, so actually convert to group\n    convertToGroup(g);\n    return;\n  }\n  if (g.tagName === 'use') {\n    // Somehow doesn't have data set, so retrieve\n    const symbol = getElem(getHref(g).substr(1));\n    $(g).data('symbol', symbol).data('ref', symbol);\n    convertToGroup(g);\n    return;\n  }\n  const parentsA = $(g).parents('a');\n  if (parentsA.length) {\n    g = parentsA[0];\n  }\n\n  // Look for parent \"a\"\n  if (g.tagName === 'g' || g.tagName === 'a') {\n    const batchCmd = new BatchCommand('Ungroup Elements');\n    const cmd = pushGroupProperties(g, true);\n    if (cmd) { batchCmd.addSubCommand(cmd); }\n\n    const parent = g.parentNode;\n    const anchor = g.nextSibling;\n    const children = new Array(g.childNodes.length);\n\n    let i = 0;\n    while (g.firstChild) {\n      let elem = g.firstChild;\n      const oldNextSibling = elem.nextSibling;\n      const oldParent = elem.parentNode;\n\n      // Remove child title elements\n      if (elem.tagName === 'title') {\n        const {nextSibling} = elem;\n        batchCmd.addSubCommand(new RemoveElementCommand(elem, nextSibling, oldParent));\n        elem.remove();\n        continue;\n      }\n\n      children[i++] = elem = parent.insertBefore(elem, anchor);\n      batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldParent));\n    }\n\n    // remove the group from the selection\n    clearSelection();\n\n    // delete the group element (but make undo-able)\n    const gNextSibling = g.nextSibling;\n    g = parent.removeChild(g);\n    batchCmd.addSubCommand(new RemoveElementCommand(g, gNextSibling, parent));\n\n    if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); }\n\n    // update selection\n    addToSelection(children);\n  }\n};\n\n/**\n* Repositions the selected element to the bottom in the DOM to appear on top of\n* other elements\n* @function module:svgcanvas.SvgCanvas#moveToTopSelectedElement\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.moveToTopSelectedElement = function () {\n  const [selected] = selectedElements;\n  if (selected != null) {\n    let t = selected;\n    const oldParent = t.parentNode;\n    const oldNextSibling = t.nextSibling;\n    t = t.parentNode.appendChild(t);\n    // If the element actually moved position, add the command and fire the changed\n    // event handler.\n    if (oldNextSibling !== t.nextSibling) {\n      addCommandToHistory(new MoveElementCommand(t, oldNextSibling, oldParent, 'top'));\n      call('changed', [t]);\n    }\n  }\n};\n\n/**\n* Repositions the selected element to the top in the DOM to appear under\n* other elements\n* @function module:svgcanvas.SvgCanvas#moveToBottomSelectedElement\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.moveToBottomSelectedElement = function () {\n  const [selected] = selectedElements;\n  if (selected != null) {\n    let t = selected;\n    const oldParent = t.parentNode;\n    const oldNextSibling = t.nextSibling;\n    let {firstChild} = t.parentNode;\n    if (firstChild.tagName === 'title') {\n      firstChild = firstChild.nextSibling;\n    }\n    // This can probably be removed, as the defs should not ever apppear\n    // inside a layer group\n    if (firstChild.tagName === 'defs') {\n      firstChild = firstChild.nextSibling;\n    }\n    t = t.parentNode.insertBefore(t, firstChild);\n    // If the element actually moved position, add the command and fire the changed\n    // event handler.\n    if (oldNextSibling !== t.nextSibling) {\n      addCommandToHistory(new MoveElementCommand(t, oldNextSibling, oldParent, 'bottom'));\n      call('changed', [t]);\n    }\n  }\n};\n\n/**\n* Moves the select element up or down the stack, based on the visibly\n* intersecting elements\n* @function module:svgcanvas.SvgCanvas#moveUpDownSelected\n* @param {\"Up\"|\"Down\"} dir - String that's either 'Up' or 'Down'\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.moveUpDownSelected = function (dir) {\n  const selected = selectedElements[0];\n  if (!selected) { return; }\n\n  curBBoxes = [];\n  let closest, foundCur;\n  // jQuery sorts this list\n  const list = $(getIntersectionList(getStrokedBBoxDefaultVisible([selected]))).toArray();\n  if (dir === 'Down') { list.reverse(); }\n\n  $.each(list, function () {\n    if (!foundCur) {\n      if (this === selected) {\n        foundCur = true;\n      }\n      return;\n    }\n    closest = this;\n    return false;\n  });\n  if (!closest) { return; }\n\n  const t = selected;\n  const oldParent = t.parentNode;\n  const oldNextSibling = t.nextSibling;\n  $(closest)[dir === 'Down' ? 'before' : 'after'](t);\n  // If the element actually moved position, add the command and fire the changed\n  // event handler.\n  if (oldNextSibling !== t.nextSibling) {\n    addCommandToHistory(new MoveElementCommand(t, oldNextSibling, oldParent, 'Move ' + dir));\n    call('changed', [t]);\n  }\n};\n\n/**\n* Moves selected elements on the X/Y axis\n* @function module:svgcanvas.SvgCanvas#moveSelectedElements\n* @param {Float} dx - Float with the distance to move on the x-axis\n* @param {Float} dy - Float with the distance to move on the y-axis\n* @param {boolean} undoable - Boolean indicating whether or not the action should be undoable\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {BatchCommand} Batch command for the move\n*/\nthis.moveSelectedElements = function (dx, dy, undoable) {\n  // if undoable is not sent, default to true\n  // if single values, scale them to the zoom\n  if (dx.constructor !== Array) {\n    dx /= currentZoom;\n    dy /= currentZoom;\n  }\n  undoable = undoable || true;\n  const batchCmd = new BatchCommand('position');\n  let i = selectedElements.length;\n  while (i--) {\n    const selected = selectedElements[i];\n    if (selected != null) {\n      // if (i === 0) {\n      //   selectedBBoxes[0] = utilsGetBBox(selected);\n      // }\n      // const b = {};\n      // for (const j in selectedBBoxes[i]) b[j] = selectedBBoxes[i][j];\n      // selectedBBoxes[i] = b;\n\n      const xform = svgroot.createSVGTransform();\n      const tlist = getTransformList(selected);\n\n      // dx and dy could be arrays\n      if (dx.constructor === Array) {\n        // if (i === 0) {\n        //   selectedBBoxes[0].x += dx[0];\n        //   selectedBBoxes[0].y += dy[0];\n        // }\n        xform.setTranslate(dx[i], dy[i]);\n      } else {\n        // if (i === 0) {\n        //   selectedBBoxes[0].x += dx;\n        //   selectedBBoxes[0].y += dy;\n        // }\n        xform.setTranslate(dx, dy);\n      }\n\n      if (tlist.numberOfItems) {\n        tlist.insertItemBefore(xform, 0);\n      } else {\n        tlist.appendItem(xform);\n      }\n\n      const cmd = recalculateDimensions(selected);\n      if (cmd) {\n        batchCmd.addSubCommand(cmd);\n      }\n\n      selectorManager.requestSelector(selected).resize();\n    }\n  }\n  if (!batchCmd.isEmpty()) {\n    if (undoable) {\n      addCommandToHistory(batchCmd);\n    }\n    call('changed', selectedElements);\n    return batchCmd;\n  }\n};\n\n/**\n* Create deep DOM copies (clones) of all selected elements and move them slightly\n* from their originals\n* @function module:svgcanvas.SvgCanvas#cloneSelectedElements\n* @param {Float} x Float with the distance to move on the x-axis\n* @param {Float} y Float with the distance to move on the y-axis\n* @returns {undefined}\n*/\nthis.cloneSelectedElements = function (x, y) {\n  let i, elem;\n  const batchCmd = new BatchCommand('Clone Elements');\n  // find all the elements selected (stop at first null)\n  const len = selectedElements.length;\n  function sortfunction (a, b) {\n    return ($(b).index() - $(a).index()); // causes an array to be sorted numerically and ascending\n  }\n  selectedElements.sort(sortfunction);\n  for (i = 0; i < len; ++i) {\n    elem = selectedElements[i];\n    if (elem == null) { break; }\n  }\n  // use slice to quickly get the subset of elements we need\n  const copiedElements = selectedElements.slice(0, i);\n  this.clearSelection(true);\n  // note that we loop in the reverse way because of the way elements are added\n  // to the selectedElements array (top-first)\n  const drawing = getCurrentDrawing();\n  i = copiedElements.length;\n  while (i--) {\n    // clone each element and replace it within copiedElements\n    elem = copiedElements[i] = drawing.copyElem(copiedElements[i]);\n    (currentGroup || drawing.getCurrentLayer()).append(elem);\n    batchCmd.addSubCommand(new InsertElementCommand(elem));\n  }\n\n  if (!batchCmd.isEmpty()) {\n    addToSelection(copiedElements.reverse()); // Need to reverse for correct selection-adding\n    this.moveSelectedElements(x, y, false);\n    addCommandToHistory(batchCmd);\n  }\n};\n\n/**\n* Aligns selected elements\n* @function module:svgcanvas.SvgCanvas#alignSelectedElements\n* @param {string} type - String with single character indicating the alignment type\n* @param {\"selected\"|\"largest\"|\"smallest\"|\"page\"} relativeTo\n* @returns {undefined}\n*/\nthis.alignSelectedElements = function (type, relativeTo) {\n  const bboxes = []; // angles = [];\n  const len = selectedElements.length;\n  if (!len) { return; }\n  let minx = Number.MAX_VALUE, maxx = Number.MIN_VALUE,\n    miny = Number.MAX_VALUE, maxy = Number.MIN_VALUE;\n  let curwidth = Number.MIN_VALUE, curheight = Number.MIN_VALUE;\n  for (let i = 0; i < len; ++i) {\n    if (selectedElements[i] == null) { break; }\n    const elem = selectedElements[i];\n    bboxes[i] = getStrokedBBoxDefaultVisible([elem]);\n\n    // now bbox is axis-aligned and handles rotation\n    switch (relativeTo) {\n    case 'smallest':\n      if (((type === 'l' || type === 'c' || type === 'r') &&\n        (curwidth === Number.MIN_VALUE || curwidth > bboxes[i].width)) ||\n        ((type === 't' || type === 'm' || type === 'b') &&\n        (curheight === Number.MIN_VALUE || curheight > bboxes[i].height))\n      ) {\n        minx = bboxes[i].x;\n        miny = bboxes[i].y;\n        maxx = bboxes[i].x + bboxes[i].width;\n        maxy = bboxes[i].y + bboxes[i].height;\n        curwidth = bboxes[i].width;\n        curheight = bboxes[i].height;\n      }\n      break;\n    case 'largest':\n      if (((type === 'l' || type === 'c' || type === 'r') &&\n        (curwidth === Number.MIN_VALUE || curwidth < bboxes[i].width)) ||\n        ((type === 't' || type === 'm' || type === 'b') &&\n        (curheight === Number.MIN_VALUE || curheight < bboxes[i].height))\n      ) {\n        minx = bboxes[i].x;\n        miny = bboxes[i].y;\n        maxx = bboxes[i].x + bboxes[i].width;\n        maxy = bboxes[i].y + bboxes[i].height;\n        curwidth = bboxes[i].width;\n        curheight = bboxes[i].height;\n      }\n      break;\n    default: // 'selected'\n      if (bboxes[i].x < minx) { minx = bboxes[i].x; }\n      if (bboxes[i].y < miny) { miny = bboxes[i].y; }\n      if (bboxes[i].x + bboxes[i].width > maxx) { maxx = bboxes[i].x + bboxes[i].width; }\n      if (bboxes[i].y + bboxes[i].height > maxy) { maxy = bboxes[i].y + bboxes[i].height; }\n      break;\n    }\n  } // loop for each element to find the bbox and adjust min/max\n\n  if (relativeTo === 'page') {\n    minx = 0;\n    miny = 0;\n    maxx = canvas.contentW;\n    maxy = canvas.contentH;\n  }\n\n  const dx = new Array(len);\n  const dy = new Array(len);\n  for (let i = 0; i < len; ++i) {\n    if (selectedElements[i] == null) { break; }\n    // const elem = selectedElements[i];\n    const bbox = bboxes[i];\n    dx[i] = 0;\n    dy[i] = 0;\n    switch (type) {\n    case 'l': // left (horizontal)\n      dx[i] = minx - bbox.x;\n      break;\n    case 'c': // center (horizontal)\n      dx[i] = (minx + maxx) / 2 - (bbox.x + bbox.width / 2);\n      break;\n    case 'r': // right (horizontal)\n      dx[i] = maxx - (bbox.x + bbox.width);\n      break;\n    case 't': // top (vertical)\n      dy[i] = miny - bbox.y;\n      break;\n    case 'm': // middle (vertical)\n      dy[i] = (miny + maxy) / 2 - (bbox.y + bbox.height / 2);\n      break;\n    case 'b': // bottom (vertical)\n      dy[i] = maxy - (bbox.y + bbox.height);\n      break;\n    }\n  }\n  this.moveSelectedElements(dx, dy);\n};\n\n/**\n* Group: Additional editor tools\n*/\n\n/**\n* @name module:svgcanvas.SvgCanvas#contentW\n* @type {Float}\n*/\nthis.contentW = getResolution().w;\n/**\n* @name module:svgcanvas.SvgCanvas#contentH\n* @type {Float}\n*/\nthis.contentH = getResolution().h;\n\n/**\n* @typedef {PlainObject} module:svgcanvas.CanvasInfo\n* @property {Float} x - The canvas' new x coordinate\n* @property {Float} y - The canvas' new y coordinate\n* @property {string} oldX - The canvas' old x coordinate\n* @property {string} oldY - The canvas' old y coordinate\n* @property {Float} d_x - The x position difference\n* @property {Float} d_y - The y position difference\n*/\n\n/**\n* Updates the editor canvas width/height/position after a zoom has occurred\n* @function module:svgcanvas.SvgCanvas#updateCanvas\n* @param {Float} w - Float with the new width\n* @param {Float} h - Float with the new height\n* @fires module:svgcanvas.SvgCanvas#event:ext-canvasUpdated\n* @returns {module:svgcanvas.CanvasInfo}\n*/\nthis.updateCanvas = function (w, h) {\n  svgroot.setAttribute('width', w);\n  svgroot.setAttribute('height', h);\n  const bg = $('#canvasBackground')[0];\n  const oldX = svgcontent.getAttribute('x');\n  const oldY = svgcontent.getAttribute('y');\n  const x = (w / 2 - this.contentW * currentZoom / 2);\n  const y = (h / 2 - this.contentH * currentZoom / 2);\n\n  assignAttributes(svgcontent, {\n    width: this.contentW * currentZoom,\n    height: this.contentH * currentZoom,\n    x,\n    y,\n    viewBox: '0 0 ' + this.contentW + ' ' + this.contentH\n  });\n\n  assignAttributes(bg, {\n    width: svgcontent.getAttribute('width'),\n    height: svgcontent.getAttribute('height'),\n    x,\n    y\n  });\n\n  const bgImg = getElem('background_image');\n  if (bgImg) {\n    assignAttributes(bgImg, {\n      width: '100%',\n      height: '100%'\n    });\n  }\n\n  selectorManager.selectorParentGroup.setAttribute('transform', 'translate(' + x + ',' + y + ')');\n  /**\n  * Invoked upon updates to the canvas.\n  * @event module:svgcanvas.SvgCanvas#event:ext-canvasUpdated\n  * @type {PlainObject}\n  * @property {Integer} new_x\n  * @property {Integer} new_y\n  * @property {string} old_x (Of Integer)\n  * @property {string} old_y (Of Integer)\n  * @property {Integer} d_x\n  * @property {Integer} d_y\n  */\n  runExtensions(\n    'canvasUpdated',\n    /**\n     * @type {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated}\n     */\n    {new_x: x, new_y: y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY}\n  );\n  return {x, y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY};\n};\n\n/**\n* Set the background of the editor (NOT the actual document)\n* @function module:svgcanvas.SvgCanvas#setBackground\n* @param {string} color - String with fill color to apply\n* @param {string} url - URL or path to image to use\n* @returns {undefined}\n*/\nthis.setBackground = function (color, url) {\n  const bg = getElem('canvasBackground');\n  const border = $(bg).find('rect')[0];\n  let bgImg = getElem('background_image');\n  border.setAttribute('fill', color);\n  if (url) {\n    if (!bgImg) {\n      bgImg = svgdoc.createElementNS(NS.SVG, 'image');\n      assignAttributes(bgImg, {\n        id: 'background_image',\n        width: '100%',\n        height: '100%',\n        preserveAspectRatio: 'xMinYMin',\n        style: 'pointer-events:none'\n      });\n    }\n    setHref(bgImg, url);\n    bg.append(bgImg);\n  } else if (bgImg) {\n    bgImg.remove();\n  }\n};\n\n/**\n* Select the next/previous element within the current layer\n* @function module:svgcanvas.SvgCanvas#cycleElement\n* @param {boolean} next - true = next and false = previous element\n* @fires module:svgcanvas.SvgCanvas#event:selected\n* @returns {undefined}\n*/\nthis.cycleElement = function (next) {\n  let num;\n  const curElem = selectedElements[0];\n  let elem = false;\n  const allElems = getVisibleElements(currentGroup || getCurrentDrawing().getCurrentLayer());\n  if (!allElems.length) { return; }\n  if (curElem == null) {\n    num = next ? allElems.length - 1 : 0;\n    elem = allElems[num];\n  } else {\n    let i = allElems.length;\n    while (i--) {\n      if (allElems[i] === curElem) {\n        num = next ? i - 1 : i + 1;\n        if (num >= allElems.length) {\n          num = 0;\n        } else if (num < 0) {\n          num = allElems.length - 1;\n        }\n        elem = allElems[num];\n        break;\n      }\n    }\n  }\n  selectOnly([elem], true);\n  call('selected', selectedElements);\n};\n\nthis.clear();\n\n/**\n* @interface module:svgcanvas.PrivateMethods\n* @type {PlainObject}\n* @property {module:svgcanvas~addCommandToHistory} addCommandToHistory\n* @property {module:history.HistoryCommand} BatchCommand\n* @property {module:history.HistoryCommand} ChangeElementCommand\n* @property {module:utilities.decode64} decode64\n* @property {module:utilities.dropXMLInteralSubset} dropXMLInteralSubset\n* @property {module:utilities.encode64} encode64\n* @property {module:svgcanvas~ffClone} ffClone\n* @property {module:svgcanvas~findDuplicateGradient} findDuplicateGradient\n* @property {module:utilities.getPathBBox} getPathBBox\n* @property {module:units.getTypeMap} getTypeMap\n* @property {module:draw.identifyLayers} identifyLayers\n* @property {module:history.HistoryCommand} InsertElementCommand\n* @property {module:browser.isChrome} isChrome\n* @property {module:math.isIdentity} isIdentity\n* @property {module:browser.isIE} isIE\n* @property {module:svgcanvas~logMatrix} logMatrix\n* @property {module:history.HistoryCommand} MoveElementCommand\n* @property {module:namespaces.NS} NS\n* @property {module:utilities.preventClickDefault} preventClickDefault\n* @property {module:history.HistoryCommand} RemoveElementCommand\n* @property {module:SVGTransformList.SVGEditTransformList} SVGEditTransformList\n* @property {module:utilities.text2xml} text2xml\n* @property {module:math.transformBox} transformBox\n* @property {module:math.transformPoint} transformPoint\n* @property {module:utilities.walkTree} walkTree\n*/\n/**\n* @deprecated getPrivateMethods\n* Since all methods are/should be public somehow, this function should be removed;\n*  we might require `import` in place of this in the future once ES6 Modules\n*  widespread\n\n* Being able to access private methods publicly seems wrong somehow,\n* but currently appears to be the best way to allow testing and provide\n* access to them to plugins.\n* @function module:svgcanvas.SvgCanvas#getPrivateMethods\n* @returns {module:svgcanvas.PrivateMethods}\n*/\nthis.getPrivateMethods = function () {\n  const obj = {\n    addCommandToHistory,\n    BatchCommand,\n    ChangeElementCommand,\n    decode64,\n    dropXMLInteralSubset,\n    encode64,\n    ffClone,\n    findDefs,\n    findDuplicateGradient,\n    getElem,\n    getPathBBox,\n    getTypeMap,\n    getUrlFromAttr,\n    identifyLayers: draw.identifyLayers,\n    InsertElementCommand,\n    isChrome,\n    isIdentity,\n    isIE,\n    logMatrix,\n    MoveElementCommand,\n    NS,\n    preventClickDefault,\n    RemoveElementCommand,\n    SVGEditTransformList,\n    text2xml,\n    transformBox,\n    transformPoint,\n    walkTree\n  };\n  return obj;\n};\n  } // End constructor\n} // End class\n\nexport default SvgCanvas;\n","// Todo: Update: https://github.com/jeresig/jquery.hotkeys\n/*\n * jQuery Hotkeys Plugin\n * Copyright 2010, John Resig\n * Dual licensed under the MIT or GPL Version 2 licenses.\n *\n * http://github.com/jeresig/jquery.hotkeys\n *\n * Based upon the plugin by Tzury Bar Yochay:\n * http://github.com/tzuryby/hotkeys\n *\n * Original idea by:\n * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/\n*/\n\nexport default function(b){b.hotkeys={version:\"0.8\",specialKeys:{8:\"backspace\",9:\"tab\",13:\"return\",16:\"shift\",17:\"ctrl\",18:\"alt\",19:\"pause\",20:\"capslock\",27:\"esc\",32:\"space\",33:\"pageup\",34:\"pagedown\",35:\"end\",36:\"home\",37:\"left\",38:\"up\",39:\"right\",40:\"down\",45:\"insert\",46:\"del\",96:\"0\",97:\"1\",98:\"2\",99:\"3\",100:\"4\",101:\"5\",102:\"6\",103:\"7\",104:\"8\",105:\"9\",106:\"*\",107:\"+\",109:\"-\",110:\".\",111:\"/\",112:\"f1\",113:\"f2\",114:\"f3\",115:\"f4\",116:\"f5\",117:\"f6\",118:\"f7\",119:\"f8\",120:\"f9\",121:\"f10\",122:\"f11\",123:\"f12\",144:\"numlock\",145:\"scroll\",191:\"/\",224:\"meta\",219:\"[\",221:\"]\"},shiftNums:{\"`\":\"~\",\"1\":\"!\",\"2\":\"@\",\"3\":\"#\",\"4\":\"$\",\"5\":\"%\",\"6\":\"^\",\"7\":\"&\",\"8\":\"*\",\"9\":\"(\",\"0\":\")\",\"-\":\"_\",\"=\":\"+\",\";\":\": \",\"'\":'\"',\",\":\"<\",\".\":\">\",\"/\":\"?\",\"\\\\\":\"|\"}};function a(d){if(typeof d.data!==\"string\"){return}var c=d.handler,e=d.data.toLowerCase().split(\" \");d.handler=function(n){if(this!==n.target&&(/textarea|select/i.test(n.target.nodeName)||n.target.type===\"text\")){return}var h=n.type!==\"keypress\"&&b.hotkeys.specialKeys[n.which],o=String.fromCharCode(n.which).toLowerCase(),k,m=\"\",g={};if(n.altKey&&h!==\"alt\"){m+=\"alt+\"}if(n.ctrlKey&&h!==\"ctrl\"){m+=\"ctrl+\"}if(n.metaKey&&!n.ctrlKey&&h!==\"meta\"){m+=\"meta+\"}if(n.shiftKey&&h!==\"shift\"){m+=\"shift+\"}if(h){g[m+h]=true}else{g[m+o]=true;g[m+b.hotkeys.shiftNums[o]]=true;if(m===\"shift+\"){g[b.hotkeys.shiftNums[o]]=true}}for(var j=0,f=e.length;j<f;j++){if(g[e[j]]){return c.apply(this,arguments)}}}}b.each([\"keydown\",\"keyup\",\"keypress\"],function(){b.event.special[this]={add:a}})\n\nreturn b;\n}\n","/*\n * Todo: Update to latest at https://github.com/cowboy/jquery-bbq ?\n * jQuery BBQ: Back Button & Query Library - v1.2.1 - 2/17/2010\n * http://benalman.com/projects/jquery-bbq-plugin/\n *\n * Copyright (c) 2010 \"Cowboy\" Ben Alman\n * Dual licensed under the MIT and GPL licenses.\n * http://benalman.com/about/license/\n */\n\n// For sake of modules, added this wrapping export and changed `this` to `window`\nexport default function (jQuery) {\n\n(function($,p){var i,m=Array.prototype.slice,r=decodeURIComponent,a=$.param,c,l,v,b=$.bbq=$.bbq||{},q,u,j,e=$.event.special,d=\"hashchange\",A=\"querystring\",D=\"fragment\",y=\"elemUrlAttr\",g=\"location\",k=\"href\",t=\"src\",x=/^.*\\?|#.*$/g,w=/^.*\\#/,h,C={};function E(F){return typeof F===\"string\"}function B(G){var F=m.call(arguments,1);return function(){return G.apply(this,F.concat(m.call(arguments)))}}function n(F){return F.replace(/^[^#]*#?(.*)$/,\"$1\")}function o(F){return F.replace(/(?:^[^?#]*\\?([^#]*).*$)?.*/,\"$1\")}function f(H,M,F,I,G){var O,L,K,N,J;if(I!==i){K=F.match(H?/^([^#]*)\\#?(.*)$/:/^([^#?]*)\\??([^#]*)(#?.*)/);J=K[3]||\"\";if(G===2&&E(I)){L=I.replace(H?w:x,\"\")}else{N=l(K[2]);I=E(I)?l[H?D:A](I):I;L=G===2?I:G===1?$.extend({},I,N):$.extend({},N,I);L=a(L);if(H){L=L.replace(h,r)}}O=K[1]+(H?\"#\":L||!K[1]?\"?\":\"\")+L+J}else{O=M(F!==i?F:p[g][k])}return O}a[A]=B(f,0,o);a[D]=c=B(f,1,n);c.noEscape=function(G){G=G||\"\";var F=$.map(G.split(\"\"),encodeURIComponent);h=new RegExp(F.join(\"|\"),\"g\")};c.noEscape(\",/\");$.deparam=l=function(I,F){var H={},G={\"true\":!0,\"false\":!1,\"null\":null};$.each(I.replace(/\\+/g,\" \").split(\"&\"),function(L,Q){var 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L=$(this),J=G||j()[(this.nodeName||\"\").toLowerCase()]||\"\",K=J&&L.attr(J)||\"\";L.attr(J,a[I](K,H,F))})}$.fn[A]=B(s,A);$.fn[D]=B(s,D);b.pushState=q=function(I,F){if(E(I)&&/^#/.test(I)&&F===i){F=2}var H=I!==i,G=c(p[g][k],H?I:{},H?F:2);p[g][k]=G+(/#/.test(G)?\"\":\"#\")};b.getState=u=function(F,G){return F===i||typeof F===\"boolean\"?v(F):v(G)[F]};b.removeState=function(F){var G={};if(F!==i){G=u();$.each($.isArray(F)?F:arguments,function(I,H){delete G[H]})}q(G,2)};e[d]=$.extend(e[d],{add:function(F){var H;function G(J){var I=J[D]=c();J.getState=function(K,L){return K===i||typeof K===\"boolean\"?l(I,K):l(I,L)[K]};H.apply(this,arguments)}if($.isFunction(F)){H=F;return G}else{H=F.handler;F.handler=G}}})})(jQuery,window);\n/*\n * jQuery hashchange event - v1.2 - 2/11/2010\n * http://benalman.com/projects/jquery-hashchange-plugin/\n *\n * Copyright (c) 2010 \"Cowboy\" Ben Alman\n * Dual licensed under the MIT and GPL licenses.\n * http://benalman.com/about/license/\n */\n(function($,i,b){var j,k=$.event.special,c=\"location\",d=\"hashchange\",l=\"href\",f=$.browser,g=document.documentMode,h=f.msie&&(g===b||g<8),e=\"on\"+d in i&&!h;function a(m){m=m||i[c][l];return m.replace(/^[^#]*#?(.*)$/,\"$1\")}$[d+\"Delay\"]=100;k[d]=$.extend(k[d],{setup:function(){if(e){return false}$(j.start)},teardown:function(){if(e){return false}$(j.stop)}});j=(function(){var m={},r,n,o,q;function p(){o=q=function(s){return s};if(h){n=$('<iframe src=\"javascript:0\"/>').hide().insertAfter(\"body\")[0].contentWindow;q=function(){return a(n.document[c][l])};o=function(u,s){if(u!==s){var t=n.document;t.open().close();t[c].hash=\"#\"+u}};o(a())}}m.start=function(){if(r){return}var t=a();o||p();(function s(){var v=a(),u=q(t);if(v!==t){o(t=v,u);$(i).trigger(d)}else{if(u!==t){i[c][l]=i[c][l].replace(/#.*/,\"\")+\"#\"+u}}r=setTimeout(s,$[d+\"Delay\"])})()};m.stop=function(){if(!n){r&&clearTimeout(r);r=0}};return m})()})(jQuery,window);\n\nreturn jQuery;\n}\n","/**\n * SVG Icon Loader 2.0\n *\n * jQuery Plugin for loading SVG icons from a single file\n *\n * Adds {@link external:jQuery.svgIcons}, {@link external:jQuery.getSvgIcon}, {@link external:jQuery.resizeSvgIcons}\n *\n * How to use:\n\n1. Create the SVG master file that includes all icons:\n\nThe master SVG icon-containing file is an SVG file that contains\n`<g>` elements. Each `<g>` element should contain the markup of an SVG\nicon. The `<g>` element has an ID that should\ncorrespond with the ID of the HTML element used on the page that should contain\nor optionally be replaced by the icon. Additionally, one empty element should be\nadded at the end with id \"svg_eof\".\n\n2. Optionally create fallback raster images for each SVG icon.\n\n3. Include the jQuery and the SVG Icon Loader scripts on your page.\n\n4. Run `$.svgIcons()` when the document is ready. See its signature\n\n5. To access an icon at a later point without using the callback, use this:\n  `$.getSvgIcon(id (string), uniqueClone (boolean))`;\n\nThis will return the icon (as jQuery object) with a given ID.\n\n6. To resize icons at a later point without using the callback, use this:\n  `$.resizeSvgIcons(resizeOptions)` (use the same way as the \"resize\" parameter)\n *\n * @module jQuerySVGIcons\n * @license MIT\n * @copyright (c) 2009 Alexis Deveria\n * {@link http://a.deveria.com}\n * @example usage #1:\n\n$(function() {\n  $.svgIcons('my_icon_set.svg'); // The SVG file that contains all icons\n  // No options have been set, so all icons will automatically be inserted\n  // into HTML elements that match the same IDs.\n});\n\n* @example usage #2:\n\n$(function() {\n  $.svgIcons('my_icon_set.svg', { // The SVG file that contains all icons\n    callback (icons) { // Custom callback function that sets click\n                  // events for each icon\n      $.each(icons, function(id, icon) {\n        icon.click(function() {\n          alert('You clicked on the icon with id ' + id);\n        });\n      });\n    }\n  }); //The SVG file that contains all icons\n});\n\n* @example usage #3:\n\n$(function() {\n  $.svgIcons('my_icon_set.svgz', { // The SVGZ file that contains all icons\n    w: 32,  // All icons will be 32px wide\n    h: 32,  // All icons will be 32px high\n    fallback_path: 'icons/',  // All fallback files can be found here\n    fallback: {\n      '#open_icon': 'open.png',  // The \"open.png\" will be appended to the\n                    // HTML element with ID \"open_icon\"\n      '#close_icon': 'close.png',\n      '#save_icon': 'save.png'\n    },\n    placement: {'.open_icon','open'}, // The \"open\" icon will be added\n                    // to all elements with class \"open_icon\"\n    resize () {\n      '#save_icon .svg_icon': 64  // The \"save\" icon will be resized to 64 x 64px\n    },\n\n    callback (icons) { // Sets background color for \"close\" icon\n      icons['close'].css('background','red');\n    },\n\n    svgz: true // Indicates that an SVGZ file is being used\n\n  })\n});\n*/\n\n/**\n* @callback module:jQuerySVGIcons.SVGIconsLoadedCallback\n* @param {PlainObject.<string, external:jQuery>} svgIcons IDs keyed to jQuery objects of images\n*/\n\n/**\n * @function module:jQuerySVGIcons.jQuerySVGIcons\n * @param {external:jQuery} $ Its keys include all icon IDs and the values, the icon as a jQuery object\n*/\nexport default function ($) {\n  const svgIcons = {};\n\n  let fixIDs;\n  /**\n  * @function external:jQuery.svgIcons\n  * @param {string} file The location of a local SVG or SVGz file\n  * @param {PlainObject} [options]\n  * @param {Float} [options.w] The icon widths\n  * @param {Float} [options.h] The icon heights\n  * @param {PlainObject.<string, string>} [options.fallback] List of raster images with each\n    key being the SVG icon ID to replace, and the value the image file name\n  * @param {string} [options.fallback_path] The path to use for all images\n    listed under \"fallback\"\n  * @param {boolean} [options.replace] If set to `true`, HTML elements will be replaced by,\n    rather than include the SVG icon.\n  * @param {PlainObject.<string, string>} [options.placement] List with selectors for keys and SVG icon ids\n    as values. This provides a custom method of adding icons.\n  * @param {PlainObject.<string, module:jQuerySVGIcons.Size>} [options.resize] List with selectors for keys and numbers\n    as values. This allows an easy way to resize specific icons.\n  * @param {module:jQuerySVGIcons.SVGIconsLoadedCallback} [options.callback] A function to call when all icons have been loaded.\n  * @param {boolean} [options.id_match=true] Automatically attempt to match SVG icon ids with\n    corresponding HTML id\n  * @param {boolean} [options.no_img] Prevent attempting to convert the icon into an `<img>`\n    element (may be faster, help for browser consistency)\n  * @param {boolean} [options.svgz] Indicate that the file is an SVGZ file, and thus not to\n    parse as XML. SVGZ files add compression benefits, but getting data from\n    them fails in Firefox 2 and older.\n  */\n  $.svgIcons = function (file, opts = {}) {\n    const svgns = 'http://www.w3.org/2000/svg',\n      xlinkns = 'http://www.w3.org/1999/xlink',\n      iconW = opts.w || 24,\n      iconH = opts.h || 24;\n    let elems, svgdoc, testImg,\n      iconsMade = false, dataLoaded = false, loadAttempts = 0;\n    const isOpera = !!window.opera,\n      // ua = navigator.userAgent,\n      // isSafari = (ua.includes('Safari/') && !ua.includes('Chrome/')),\n      dataPre = 'data:image/svg+xml;charset=utf-8;base64,';\n\n    let dataEl;\n    if (opts.svgz) {\n      dataEl = $('<object data=\"' + file + '\" type=image/svg+xml>').appendTo('body').hide();\n      try {\n        svgdoc = dataEl[0].contentDocument;\n        dataEl.load(getIcons);\n        getIcons(0, true); // Opera will not run \"load\" event if file is already cached\n      } catch (err1) {\n        useFallback();\n      }\n    } else {\n      const parser = new DOMParser();\n      $.ajax({\n        url: file,\n        dataType: 'string',\n        success (data) {\n          if (!data) {\n            $(useFallback);\n            return;\n          }\n          svgdoc = parser.parseFromString(data, 'text/xml');\n          $(function () {\n            getIcons('ajax');\n          });\n        },\n        error (err) {\n          // TODO: Fix Opera widget icon bug\n          if (window.opera) {\n            $(function () {\n              useFallback();\n            });\n          } else {\n            if (err.responseText) {\n              svgdoc = parser.parseFromString(err.responseText, 'text/xml');\n\n              if (!svgdoc.childNodes.length) {\n                $(useFallback);\n              }\n              $(function () {\n                getIcons('ajax');\n              });\n            } else {\n              $(useFallback);\n            }\n          }\n        }\n      });\n    }\n\n    function getIcons (evt, noWait) {\n      if (evt !== 'ajax') {\n        if (dataLoaded) return;\n        // Webkit sometimes says svgdoc is undefined, other times\n        // it fails to load all nodes. Thus we must make sure the \"eof\"\n        // element is loaded.\n        svgdoc = dataEl[0].contentDocument; // Needed again for Webkit\n        const isReady = (svgdoc && svgdoc.getElementById('svg_eof'));\n        if (!isReady && !(noWait && isReady)) {\n          loadAttempts++;\n          if (loadAttempts < 50) {\n            setTimeout(getIcons, 20);\n          } else {\n            useFallback();\n            dataLoaded = true;\n          }\n          return;\n        }\n        dataLoaded = true;\n      }\n\n      elems = $(svgdoc.firstChild).children(); // .getElementsByTagName('foreignContent');\n\n      if (!opts.no_img) {\n        const testSrc = dataPre + 'PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNzUiIGhlaWdodD0iMjc1Ij48L3N2Zz4%3D';\n\n        testImg = $(new Image()).attr({\n          src: testSrc,\n          width: 0,\n          height: 0\n        }).appendTo('body')\n          .load(function () {\n            // Safari 4 crashes, Opera and Chrome don't\n            makeIcons(true);\n          }).error(function () {\n            makeIcons();\n          });\n      } else {\n        setTimeout(function () {\n          if (!iconsMade) makeIcons();\n        }, 500);\n      }\n    }\n\n    function setIcon (target, icon, id, setID) {\n      if (isOpera) icon.css('visibility', 'hidden');\n      if (opts.replace) {\n        if (setID) icon.attr('id', id);\n        const cl = target.attr('class');\n        if (cl) icon.attr('class', 'svg_icon ' + cl);\n        target.replaceWith(icon);\n      } else {\n        target.append(icon);\n      }\n      if (isOpera) {\n        setTimeout(function () {\n          icon.removeAttr('style');\n        }, 1);\n      }\n    }\n\n    let holder;\n    function addIcon (icon, id) {\n      if (opts.id_match === undefined || opts.id_match !== false) {\n        setIcon(holder, icon, id, true);\n      }\n      svgIcons[id] = icon;\n    }\n\n    function makeIcons (toImage, fallback) {\n      if (iconsMade) return;\n      if (opts.no_img) toImage = false;\n\n      let tempHolder;\n      if (toImage) {\n        tempHolder = $(document.createElement('div'));\n        tempHolder.hide().appendTo('body');\n      }\n      if (fallback) {\n        const path = opts.fallback_path || '';\n        $.each(fallback, function (id, imgsrc) {\n          holder = $('#' + id);\n          const icon = $(new Image())\n            .attr({\n              class: 'svg_icon',\n              src: path + imgsrc,\n              width: iconW,\n              height: iconH,\n              alt: 'icon'\n            });\n\n          addIcon(icon, id);\n        });\n      } else {\n        const len = elems.length;\n        for (let i = 0; i < len; i++) {\n          const elem = elems[i];\n          const {id} = elem;\n          if (id === 'svg_eof') break;\n          holder = $('#' + id);\n          const svgroot = document.createElementNS(svgns, 'svg');\n          // Per https://www.w3.org/TR/xml-names11/#defaulting, the namespace for\n          // attributes should have no value.\n          svgroot.setAttributeNS(null, 'viewBox', [0, 0, iconW, iconH].join(' '));\n\n          let svg = elem.getElementsByTagNameNS(svgns, 'svg')[0];\n\n          // Make flexible by converting width/height to viewBox\n          const w = svg.getAttribute('width');\n          const h = svg.getAttribute('height');\n          svg.removeAttribute('width');\n          svg.removeAttribute('height');\n\n          const vb = svg.getAttribute('viewBox');\n          if (!vb) {\n            svg.setAttribute('viewBox', [0, 0, w, h].join(' '));\n          }\n\n          // Not using jQuery to be a bit faster\n          svgroot.setAttribute('xmlns', svgns);\n          svgroot.setAttribute('width', iconW);\n          svgroot.setAttribute('height', iconH);\n          svgroot.setAttribute('xmlns:xlink', xlinkns);\n          svgroot.setAttribute('class', 'svg_icon');\n\n          // Without cloning, Firefox will make another GET request.\n          // With cloning, causes issue in Opera/Win/Non-EN\n          if (!isOpera) svg = svg.cloneNode(true);\n\n          svgroot.append(svg);\n\n          let icon;\n          if (toImage) {\n            tempHolder.empty().append(svgroot);\n            const str = dataPre + encode64(unescape(encodeURIComponent(new XMLSerializer().serializeToString(svgroot))));\n            icon = $(new Image())\n              .attr({class: 'svg_icon', src: str});\n          } else {\n            icon = fixIDs($(svgroot), i);\n          }\n          addIcon(icon, id);\n        }\n      }\n\n      if (opts.placement) {\n        $.each(opts.placement, function (sel, id) {\n          if (!svgIcons[id]) return;\n          $(sel).each(function (i) {\n            let copy = svgIcons[id].clone();\n            if (i > 0 && !toImage) copy = fixIDs(copy, i, true);\n            setIcon($(this), copy, id);\n          });\n        });\n      }\n      if (!fallback) {\n        if (toImage) tempHolder.remove();\n        if (dataEl) dataEl.remove();\n        if (testImg) testImg.remove();\n      }\n      if (opts.resize) $.resizeSvgIcons(opts.resize);\n      iconsMade = true;\n\n      if (opts.callback) opts.callback(svgIcons);\n    }\n\n    fixIDs = function (svgEl, svgNum, force) {\n      const defs = svgEl.find('defs');\n      if (!defs.length) return svgEl;\n\n      let idElems;\n      if (isOpera) {\n        idElems = defs.find('*').filter(function () {\n          return !!this.id;\n        });\n      } else {\n        idElems = defs.find('[id]');\n      }\n\n      const allElems = svgEl[0].getElementsByTagName('*'), len = allElems.length;\n\n      idElems.each(function (i) {\n        const {id} = this;\n        /*\n        const noDupes = ($(svgdoc).find('#' + id).length <= 1);\n        if (isOpera) noDupes = false; // Opera didn't clone svgEl, so not reliable\n        if(!force && noDupes) return;\n        */\n        const newId = 'x' + id + svgNum + i;\n        this.id = newId;\n\n        const oldVal = 'url(#' + id + ')';\n        const newVal = 'url(#' + newId + ')';\n\n        // Selector method, possibly faster but fails in Opera / jQuery 1.4.3\n        //  svgEl.find('[fill=\"url(#' + id + ')\"]').each(function() {\n        //    this.setAttribute('fill', 'url(#' + newId + ')');\n        //  }).end().find('[stroke=\"url(#' + id + ')\"]').each(function() {\n        //    this.setAttribute('stroke', 'url(#' + newId + ')');\n        //  }).end().find('use').each(function() {\n        //    if(this.getAttribute('xlink:href') == '#' + id) {\n        //      this.setAttributeNS(xlinkns,'href','#' + newId);\n        //    }\n        //  }).end().find('[filter=\"url(#' + id + ')\"]').each(function() {\n        //    this.setAttribute('filter', 'url(#' + newId + ')');\n        //  });\n\n        for (i = 0; i < len; i++) {\n          const elem = allElems[i];\n          if (elem.getAttribute('fill') === oldVal) {\n            elem.setAttribute('fill', newVal);\n          }\n          if (elem.getAttribute('stroke') === oldVal) {\n            elem.setAttribute('stroke', newVal);\n          }\n          if (elem.getAttribute('filter') === oldVal) {\n            elem.setAttribute('filter', newVal);\n          }\n        }\n      });\n      return svgEl;\n    };\n\n    function useFallback () {\n      if (file.includes('.svgz')) {\n        const regFile = file.replace('.svgz', '.svg');\n        if (window.console) {\n          console.log('.svgz failed, trying with .svg');\n        }\n        $.svgIcons(regFile, opts);\n      } else if (opts.fallback) {\n        makeIcons(false, opts.fallback);\n      }\n    }\n\n    function encode64 (input) {\n      // base64 strings are 4/3 larger than the original string\n      if (window.btoa) return window.btoa(input);\n      const _keyStr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n      const output = new Array(Math.floor((input.length + 2) / 3) * 4);\n\n      let i = 0, p = 0;\n      do {\n        const chr1 = input.charCodeAt(i++);\n        const chr2 = input.charCodeAt(i++);\n        const chr3 = input.charCodeAt(i++);\n\n        const enc1 = chr1 >> 2;\n        const enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);\n\n        let enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);\n        let enc4 = chr3 & 63;\n        if (isNaN(chr2)) {\n          enc3 = enc4 = 64;\n        } else if (isNaN(chr3)) {\n          enc4 = 64;\n        }\n\n        output[p++] = _keyStr.charAt(enc1);\n        output[p++] = _keyStr.charAt(enc2);\n        output[p++] = _keyStr.charAt(enc3);\n        output[p++] = _keyStr.charAt(enc4);\n      } while (i < input.length);\n\n      return output.join('');\n    }\n  };\n\n  /**\n  * @function external:jQuery.getSvgIcon\n  * @param {string} id\n  * @param {boolean} uniqueClone Whether to clone\n  * @returns {external:jQuery} The icon (optionally cloned)\n  */\n  $.getSvgIcon = function (id, uniqueClone) {\n    let icon = svgIcons[id];\n    if (uniqueClone && icon) {\n      icon = fixIDs(icon, 0, true).clone(true);\n    }\n    return icon;\n  };\n\n  /**\n  * @typedef {GenericArray} module:jQuerySVGIcons.Dimensions\n  * @property {Integer} length 2\n  * @property {Float} 0 Width\n  * @property {Float} 1 Height\n  */\n\n  /**\n  * If a Float is used, it will represent width and height. Arrays contain the width and height.\n  * @typedef {module:jQuerySVGIcons.Dimensions|Float} module:jQuerySVGIcons.Size\n  */\n\n  /**\n  * @function external:jQuery.resizeSvgIcons\n  * @param {PlainObject.<string, module:jQuerySVGIcons.Size>} obj Object with selectors as keys. The values are sizes.\n  * @returns {undefined}\n  */\n  $.resizeSvgIcons = function (obj) {\n    // FF2 and older don't detect .svg_icon, so we change it detect svg elems instead\n    const changeSel = !$('.svg_icon:first').length;\n    $.each(obj, function (sel, size) {\n      const arr = Array.isArray(size);\n      const w = arr ? size[0] : size,\n        h = arr ? size[1] : size;\n      if (changeSel) {\n        sel = sel.replace(/\\.svg_icon/g, 'svg');\n      }\n      $(sel).each(function () {\n        this.setAttribute('width', w);\n        this.setAttribute('height', h);\n        if (window.opera && window.widget) {\n          this.parentNode.style.width = w + 'px';\n          this.parentNode.style.height = h + 'px';\n        }\n      });\n    });\n  };\n  return $;\n}\n","/**\n * jGraduate 0.4\n *\n * jQuery Plugin for a gradient picker\n *\n * @module jGraduate\n * @copyright 2010 Jeff Schiller {@link http://blog.codedread.com/}, 2010 Alexis Deveria {@link http://a.deveria.com/}\n *\n * @license Apache-2.0\n * @example\n * // The Paint object is described below.\n * $.jGraduate.Paint() // constructs a 'none' color\n * @example $.jGraduate.Paint({copy: o}) // creates a copy of the paint o\n * @example $.jGraduate.Paint({hex: '#rrggbb'}) // creates a solid color paint with hex = \"#rrggbb\"\n * @example $.jGraduate.Paint({linearGradient: o, a: 50}) // creates a linear gradient paint with opacity=0.5\n * @example $.jGraduate.Paint({radialGradient: o, a: 7}) // creates a radial gradient paint with opacity=0.07\n * @example $.jGraduate.Paint({hex: '#rrggbb', linearGradient: o}) // throws an exception?\n *\n*/\n\n/**\n  * The jQuery namespace.\n  * @external jQuery\n*/\n/**\n * The jQuery plugin namespace.\n * @namespace {PlainObject} fn\n * @memberof external:jQuery\n * @see {@link http://learn.jquery.com/plugins/|jQuery Plugins}\n */\n\nconst ns = {\n  svg: 'http://www.w3.org/2000/svg',\n  xlink: 'http://www.w3.org/1999/xlink'\n};\n\nif (!window.console) {\n  window.console = {\n    log (str) {},\n    dir (str) {}\n  };\n}\n\n/**\n* Adds {@link external:jQuery.jGraduate.Paint}, {@link external:jQuery.fn.jGraduateDefaults}, {@link external:jQuery.fn.jGraduate}\n* @function module:jGraduate.jGraduate\n* @param {external:jQuery} $ The jQuery instance to wrap\n* @returns {external:jQuery}\n*/\nexport default function ($) {\n  if (!$.loadingStylesheets) {\n    $.loadingStylesheets = [];\n  }\n  const stylesheet = 'jgraduate/css/jGraduate.css';\n  if (!$.loadingStylesheets.includes(stylesheet)) {\n    $.loadingStylesheets.push(stylesheet);\n  }\n\n  /**\n  * @typedef {PlainObject} module:jGraduate.jGraduatePaintOptions\n  * @param {Float} [alpha]\n  * @param {module:jGraduate~Paint} [copy] Copy paint object\n  * @param {SVGLinearGradientElement} [linearGradient]\n  * @param {SVGRadialGradientElement} [radialGradient]\n  * @param {string} [solidColor]\n  */\n\n  /**\n  * @memberof module:jGraduate~\n  */\n  class Paint {\n    /**\n     * @param {module:jGraduate.jGraduatePaintOptions} [opt]\n    */\n    constructor (opt) {\n      const options = opt || {};\n      this.alpha = isNaN(options.alpha) ? 100 : options.alpha;\n      // copy paint object\n      if (options.copy) {\n        /**\n         * @name module:jGraduate~Paint#type\n         * @type {\"none\"|\"solidColor\"|\"linearGradient\"|\"radialGradient\"}\n         */\n        this.type = options.copy.type;\n        /**\n         * Represents opacity (0-100)\n         * @name module:jGraduate~Paint#alpha\n         * @type {Float}\n         */\n        this.alpha = options.copy.alpha;\n        /**\n         * Represents #RRGGBB hex of color\n         * @name module:jGraduate~Paint#solidColor\n         * @type {string}\n         */\n        this.solidColor = null;\n        /**\n         * @name module:jGraduate~Paint#linearGradient\n         * @type {SVGLinearGradientElement}\n         */\n        this.linearGradient = null;\n        /**\n         * @name module:jGraduate~Paint#radialGradient\n         * @type {SVGRadialGradientElement}\n         */\n        this.radialGradient = null;\n\n        switch (this.type) {\n        case 'none':\n          break;\n        case 'solidColor':\n          this.solidColor = options.copy.solidColor;\n          break;\n        case 'linearGradient':\n          this.linearGradient = options.copy.linearGradient.cloneNode(true);\n          break;\n        case 'radialGradient':\n          this.radialGradient = options.copy.radialGradient.cloneNode(true);\n          break;\n        }\n      // create linear gradient paint\n      } else if (options.linearGradient) {\n        this.type = 'linearGradient';\n        this.solidColor = null;\n        this.radialGradient = null;\n        this.linearGradient = options.linearGradient.cloneNode(true);\n      // create linear gradient paint\n      } else if (options.radialGradient) {\n        this.type = 'radialGradient';\n        this.solidColor = null;\n        this.linearGradient = null;\n        this.radialGradient = options.radialGradient.cloneNode(true);\n      // create solid color paint\n      } else if (options.solidColor) {\n        this.type = 'solidColor';\n        this.solidColor = options.solidColor;\n      // create empty paint\n      } else {\n        this.type = 'none';\n        this.solidColor = null;\n        this.linearGradient = null;\n        this.radialGradient = null;\n      }\n    }\n  }\n  /**\n  * @namespace {PlainObject} jGraduate\n  * @memberof external:jQuery\n  */\n  $.jGraduate = /** @lends external:jQuery.jGraduate */ {\n    /**\n    * @class external:jQuery.jGraduate.Paint\n    * @see module:jGraduate~Paint\n    */\n    Paint\n  };\n\n  // JSDoc doesn't show this as belonging to our `module:jGraduate.Options` type,\n  //   so we use `@see`\n  /**\n  * @namespace {module:jGraduate.Options} jGraduateDefaults\n  * @memberof external:jQuery.fn\n  */\n  $.fn.jGraduateDefaults = /** @lends external:jQuery.fn.jGraduateDefaults */ {\n    /**\n    * Creates an object with a 'none' color\n    * @type {external:jQuery.jGraduate.Paint}\n    * @see module:jGraduate.Options\n    */\n    paint: new $.jGraduate.Paint(),\n    /**\n    * @namespace\n    */\n    window: {\n      /**\n      * @type {string}\n      * @see module:jGraduate.Options\n      */\n      pickerTitle: 'Drag markers to pick a paint'\n    },\n    /**\n    * @namespace\n    */\n    images: {\n      /**\n      * @type {string}\n      * @see module:jGraduate.Options\n      */\n      clientPath: 'images/'\n    },\n    /**\n    * @type {string}\n    * @see module:jGraduate.Options\n    */\n    newstop: 'inverse' // same, inverse, black, white\n  };\n\n  const isGecko = navigator.userAgent.includes('Gecko/');\n\n  function setAttrs (elem, attrs) {\n    if (isGecko) {\n      for (const aname in attrs) elem.setAttribute(aname, attrs[aname]);\n    } else {\n      for (const aname in attrs) {\n        const val = attrs[aname], prop = elem[aname];\n        if (prop && prop.constructor === 'SVGLength') {\n          prop.baseVal.value = val;\n        } else {\n          elem.setAttribute(aname, val);\n        }\n      }\n    }\n  }\n\n  function mkElem (name, attrs, newparent) {\n    const elem = document.createElementNS(ns.svg, name);\n    setAttrs(elem, attrs);\n    if (newparent) {\n      newparent.append(elem);\n    }\n    return elem;\n  }\n\n  /**\n  * @typedef {PlainObject} module:jGraduate.ColorOpac Object may have one or both values\n  * @property {string} [color] #Hex color\n  * @property {Float} [opac] 0-1\n  */\n  /**\n  * @typedef {PlainObject} module:jGraduate.Options\n  * @property {module:jGraduate~Paint} [paint] A Paint object object describing the paint to display initially; defaults to a new instance without options (defaults to opaque white)\n  * @property {external:Window} [window]\n  * @property {string} [window.pickerTitle='Drag markers to pick a paint']\n  * @property {PlainObject} [images]\n  * @property {string} [images.clientPath='images/']\n  * @property {\"same\"|\"inverse\"|\"black\"|\"white\"|module:jGraduate.ColorOpac} [newstop=\"inverse\"]\n  */\n\n  /**\n  * @callback external:jQuery.fn.jGraduate.OkCallback\n  * @param {external:jQuery.jGraduate.Paint} paint\n  * @returns {undefined}\n  */\n  /**\n  * @callback external:jQuery.fn.jGraduate.CancelCallback\n  * @returns {undefined}\n  */\n\n  /**\n  * @function external:jQuery.fn.jGraduate\n  * @param {module:jGraduate.Options} [options]\n  * @param {external:jQuery.fn.jGraduate.OkCallback} [okCallback] Called with a Paint object when Ok is pressed\n  * @param {external:jQuery.fn.jGraduate.CancelCallback} [cancelCallback] Called with no arguments when Cancel is pressed\n  * @returns {external:jQuery}\n  */\n  $.fn.jGraduate = function (options, okCallback, cancelCallback) {\n    return this.each(function () {\n      const $this = $(this),\n        $settings = $.extend(true, {}, $.fn.jGraduateDefaults, options || {}),\n        id = $this.attr('id'),\n        idref = '#' + $this.attr('id') + ' ';\n\n      if (!idref) {\n        alert('Container element must have an id attribute to maintain unique id strings for sub-elements.');\n        return;\n      }\n\n      const okClicked = function () {\n        switch ($this.paint.type) {\n        case 'radialGradient':\n          $this.paint.linearGradient = null;\n          break;\n        case 'linearGradient':\n          $this.paint.radialGradient = null;\n          break;\n        case 'solidColor':\n          $this.paint.radialGradient = $this.paint.linearGradient = null;\n          break;\n        }\n        typeof $this.okCallback === 'function' && $this.okCallback($this.paint);\n        $this.hide();\n      };\n      const cancelClicked = function () {\n        typeof $this.cancelCallback === 'function' && $this.cancelCallback();\n        $this.hide();\n      };\n\n      $.extend(true, $this, { // public properties, methods, and callbacks\n        // make a copy of the incoming paint\n        paint: new $.jGraduate.Paint({copy: $settings.paint}),\n        okCallback: typeof okCallback === 'function' ? okCallback : null,\n        cancelCallback: typeof cancelCallback === 'function' ? cancelCallback : null\n      });\n\n      let // pos = $this.position(),\n        color = null;\n      const $win = $(window);\n\n      if ($this.paint.type === 'none') {\n        $this.paint = new $.jGraduate.Paint({solidColor: 'ffffff'});\n      }\n\n      $this.addClass('jGraduate_Picker');\n      $this.html(\n        '<ul class=\"jGraduate_tabs\">' +\n          '<li class=\"jGraduate_tab_color jGraduate_tab_current\" data-type=\"col\">Solid Color</li>' +\n          '<li class=\"jGraduate_tab_lingrad\" data-type=\"lg\">Linear Gradient</li>' +\n          '<li class=\"jGraduate_tab_radgrad\" data-type=\"rg\">Radial Gradient</li>' +\n        '</ul>' +\n        '<div class=\"jGraduate_colPick\"></div>' +\n        '<div class=\"jGraduate_gradPick\"></div>' +\n        '<div class=\"jGraduate_LightBox\"></div>' +\n        '<div id=\"' + id + '_jGraduate_stopPicker\" class=\"jGraduate_stopPicker\"></div>'\n      );\n      const colPicker = $(idref + '> .jGraduate_colPick');\n      const gradPicker = $(idref + '> .jGraduate_gradPick');\n\n      gradPicker.html(\n        '<div id=\"' + id + '_jGraduate_Swatch\" class=\"jGraduate_Swatch\">' +\n          '<h2 class=\"jGraduate_Title\">' + $settings.window.pickerTitle + '</h2>' +\n          '<div id=\"' + id + '_jGraduate_GradContainer\" class=\"jGraduate_GradContainer\"></div>' +\n          '<div id=\"' + id + '_jGraduate_StopSlider\" class=\"jGraduate_StopSlider\"></div>' +\n        '</div>' +\n        '<div class=\"jGraduate_Form jGraduate_Points jGraduate_lg_field\">' +\n          '<div class=\"jGraduate_StopSection\">' +\n            '<label class=\"jGraduate_Form_Heading\">Begin Point</label>' +\n            '<div class=\"jGraduate_Form_Section\">' +\n              '<label>x:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_x1\" size=\"3\" title=\"Enter starting x value between 0.0 and 1.0\"/>' +\n              '<label>y:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_y1\" size=\"3\" title=\"Enter starting y value between 0.0 and 1.0\"/>' +\n            '</div>' +\n          '</div>' +\n          '<div class=\"jGraduate_StopSection\">' +\n            '<label class=\"jGraduate_Form_Heading\">End Point</label>' +\n            '<div class=\"jGraduate_Form_Section\">' +\n              '<label>x:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_x2\" size=\"3\" title=\"Enter ending x value between 0.0 and 1.0\"/>' +\n              '<label>y:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_y2\" size=\"3\" title=\"Enter ending y value between 0.0 and 1.0\"/>' +\n            '</div>' +\n          '</div>' +\n        '</div>' +\n        '<div class=\"jGraduate_Form jGraduate_Points jGraduate_rg_field\">' +\n          '<div class=\"jGraduate_StopSection\">' +\n            '<label class=\"jGraduate_Form_Heading\">Center Point</label>' +\n            '<div class=\"jGraduate_Form_Section\">' +\n              '<label>x:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_cx\" size=\"3\" title=\"Enter x value between 0.0 and 1.0\"/>' +\n              '<label>y:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_cy\" size=\"3\" title=\"Enter y value between 0.0 and 1.0\"/>' +\n            '</div>' +\n          '</div>' +\n          '<div class=\"jGraduate_StopSection\">' +\n            '<label class=\"jGraduate_Form_Heading\">Focal Point</label>' +\n            '<div class=\"jGraduate_Form_Section\">' +\n              '<label>Match center: <input type=\"checkbox\" checked=\"checked\" id=\"' + id + '_jGraduate_match_ctr\"/></label><br/>' +\n              '<label>x:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_fx\" size=\"3\" title=\"Enter x value between 0.0 and 1.0\"/>' +\n              '<label>y:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_fy\" size=\"3\" title=\"Enter y value between 0.0 and 1.0\"/>' +\n            '</div>' +\n          '</div>' +\n        '</div>' +\n        '<div class=\"jGraduate_StopSection jGraduate_SpreadMethod\">' +\n          '<label class=\"jGraduate_Form_Heading\">Spread method</label>' +\n          '<div class=\"jGraduate_Form_Section\">' +\n            '<select class=\"jGraduate_spreadMethod\">' +\n              '<option value=pad selected>Pad</option>' +\n              '<option value=reflect>Reflect</option>' +\n              '<option value=repeat>Repeat</option>' +\n            '</select>' +\n          '</div>' +\n        '</div>' +\n        '<div class=\"jGraduate_Form\">' +\n          '<div class=\"jGraduate_Slider jGraduate_RadiusField jGraduate_rg_field\">' +\n            '<label class=\"prelabel\">Radius:</label>' +\n            '<div id=\"' + id + '_jGraduate_Radius\" class=\"jGraduate_SliderBar jGraduate_Radius\" title=\"Click to set radius\">' +\n              '<img id=\"' + id + '_jGraduate_RadiusArrows\" class=\"jGraduate_RadiusArrows\" src=\"' + $settings.images.clientPath + 'rangearrows2.gif\">' +\n            '</div>' +\n            '<label><input type=\"text\" id=\"' + id + '_jGraduate_RadiusInput\" size=\"3\" value=\"100\"/>%</label>' +\n          '</div>' +\n          '<div class=\"jGraduate_Slider jGraduate_EllipField jGraduate_rg_field\">' +\n            '<label class=\"prelabel\">Ellip:</label>' +\n            '<div id=\"' + id + '_jGraduate_Ellip\" class=\"jGraduate_SliderBar jGraduate_Ellip\" title=\"Click to set Ellip\">' +\n              '<img id=\"' + id + '_jGraduate_EllipArrows\" class=\"jGraduate_EllipArrows\" src=\"' + $settings.images.clientPath + 'rangearrows2.gif\">' +\n            '</div>' +\n            '<label><input type=\"text\" id=\"' + id + '_jGraduate_EllipInput\" size=\"3\" value=\"0\"/>%</label>' +\n          '</div>' +\n          '<div class=\"jGraduate_Slider jGraduate_AngleField jGraduate_rg_field\">' +\n            '<label class=\"prelabel\">Angle:</label>' +\n            '<div id=\"' + id + '_jGraduate_Angle\" class=\"jGraduate_SliderBar jGraduate_Angle\" title=\"Click to set Angle\">' +\n              '<img id=\"' + id + '_jGraduate_AngleArrows\" class=\"jGraduate_AngleArrows\" src=\"' + $settings.images.clientPath + 'rangearrows2.gif\">' +\n            '</div>' +\n            '<label><input type=\"text\" id=\"' + id + '_jGraduate_AngleInput\" size=\"3\" value=\"0\"/>deg</label>' +\n          '</div>' +\n          '<div class=\"jGraduate_Slider jGraduate_OpacField\">' +\n            '<label class=\"prelabel\">Opac:</label>' +\n            '<div id=\"' + id + '_jGraduate_Opac\" class=\"jGraduate_SliderBar jGraduate_Opac\" title=\"Click to set Opac\">' +\n              '<img id=\"' + id + '_jGraduate_OpacArrows\" class=\"jGraduate_OpacArrows\" src=\"' + $settings.images.clientPath + 'rangearrows2.gif\">' +\n            '</div>' +\n            '<label><input type=\"text\" id=\"' + id + '_jGraduate_OpacInput\" size=\"3\" value=\"100\"/>%</label>' +\n          '</div>' +\n        '</div>' +\n        '<div class=\"jGraduate_OkCancel\">' +\n          '<input type=\"button\" id=\"' + id + '_jGraduate_Ok\" class=\"jGraduate_Ok\" value=\"OK\"/>' +\n          '<input type=\"button\" id=\"' + id + '_jGraduate_Cancel\" class=\"jGraduate_Cancel\" value=\"Cancel\"/>' +\n        '</div>');\n\n      // --------------\n      // Set up all the SVG elements (the gradient, stops and rectangle)\n      const MAX = 256,\n        MARGINX = 0,\n        MARGINY = 0,\n        // STOP_RADIUS = 15 / 2,\n        SIZEX = MAX - 2 * MARGINX,\n        SIZEY = MAX - 2 * MARGINY;\n\n      const attrInput = {};\n\n      const SLIDERW = 145;\n      $('.jGraduate_SliderBar').width(SLIDERW);\n\n      const container = $('#' + id + '_jGraduate_GradContainer')[0];\n\n      const svg = mkElem('svg', {\n        id: id + '_jgraduate_svg',\n        width: MAX,\n        height: MAX,\n        xmlns: ns.svg\n      }, container);\n\n      // This wasn't working as designed\n      // let curType;\n      // curType = curType || $this.paint.type;\n\n      // if we are sent a gradient, import it\n      let curType = $this.paint.type;\n\n      let grad = $this.paint[curType];\n      let curGradient = grad;\n\n      const gradalpha = $this.paint.alpha;\n\n      const isSolid = curType === 'solidColor';\n\n      // Make any missing gradients\n      switch (curType) {\n      case 'solidColor':\n        // fall through\n      case 'linearGradient':\n        if (!isSolid) {\n          curGradient.id = id + '_lg_jgraduate_grad';\n          grad = curGradient = svg.appendChild(curGradient); // .cloneNode(true));\n        }\n        mkElem('radialGradient', {\n          id: id + '_rg_jgraduate_grad'\n        }, svg);\n        if (curType === 'linearGradient') { break; }\n        // fall through\n      case 'radialGradient':\n        if (!isSolid) {\n          curGradient.id = id + '_rg_jgraduate_grad';\n          grad = curGradient = svg.appendChild(curGradient); // .cloneNode(true));\n        }\n        mkElem('linearGradient', {\n          id: id + '_lg_jgraduate_grad'\n        }, svg);\n      }\n\n      let stopGroup; // eslint-disable-line prefer-const\n      if (isSolid) {\n        grad = curGradient = $('#' + id + '_lg_jgraduate_grad')[0];\n        color = $this.paint[curType];\n        mkStop(0, '#' + color, 1);\n\n        const type = typeof $settings.newstop;\n\n        if (type === 'string') {\n          switch ($settings.newstop) {\n          case 'same':\n            mkStop(1, '#' + color, 1);\n            break;\n\n          case 'inverse':\n            // Invert current color for second stop\n            let inverted = '';\n            for (let i = 0; i < 6; i += 2) {\n              // const ch = color.substr(i, 2);\n              let inv = (255 - parseInt(color.substr(i, 2), 16)).toString(16);\n              if (inv.length < 2) inv = 0 + inv;\n              inverted += inv;\n            }\n            mkStop(1, '#' + inverted, 1);\n            break;\n\n          case 'white':\n            mkStop(1, '#ffffff', 1);\n            break;\n\n          case 'black':\n            mkStop(1, '#000000', 1);\n            break;\n          }\n        } else if (type === 'object') {\n          const opac = ('opac' in $settings.newstop) ? $settings.newstop.opac : 1;\n          mkStop(1, ($settings.newstop.color || '#' + color), opac);\n        }\n      }\n\n      const x1 = parseFloat(grad.getAttribute('x1') || 0.0),\n        y1 = parseFloat(grad.getAttribute('y1') || 0.0),\n        x2 = parseFloat(grad.getAttribute('x2') || 1.0),\n        y2 = parseFloat(grad.getAttribute('y2') || 0.0);\n\n      const cx = parseFloat(grad.getAttribute('cx') || 0.5),\n        cy = parseFloat(grad.getAttribute('cy') || 0.5),\n        fx = parseFloat(grad.getAttribute('fx') || cx),\n        fy = parseFloat(grad.getAttribute('fy') || cy);\n\n      const previewRect = mkElem('rect', {\n        id: id + '_jgraduate_rect',\n        x: MARGINX,\n        y: MARGINY,\n        width: SIZEX,\n        height: SIZEY,\n        fill: 'url(#' + id + '_jgraduate_grad)',\n        'fill-opacity': gradalpha / 100\n      }, svg);\n\n      // stop visuals created here\n      const beginCoord = $('<div/>').attr({\n        class: 'grad_coord jGraduate_lg_field',\n        title: 'Begin Stop'\n      }).text(1).css({\n        top: y1 * MAX,\n        left: x1 * MAX\n      }).data('coord', 'start').appendTo(container);\n\n      const endCoord = beginCoord.clone().text(2).css({\n        top: y2 * MAX,\n        left: x2 * MAX\n      }).attr('title', 'End stop').data('coord', 'end').appendTo(container);\n\n      const centerCoord = $('<div/>').attr({\n        class: 'grad_coord jGraduate_rg_field',\n        title: 'Center stop'\n      }).text('C').css({\n        top: cy * MAX,\n        left: cx * MAX\n      }).data('coord', 'center').appendTo(container);\n\n      const focusCoord = centerCoord.clone().text('F').css({\n        top: fy * MAX,\n        left: fx * MAX,\n        display: 'none'\n      }).attr('title', 'Focus point').data('coord', 'focus').appendTo(container);\n\n      focusCoord[0].id = id + '_jGraduate_focusCoord';\n\n      // const coords = $(idref + ' .grad_coord');\n\n      // $(container).hover(function () {\n      //   coords.animate({\n      //     opacity: 1\n      //   }, 500);\n      // }, function () {\n      //   coords.animate({\n      //     opacity: .2\n      //   }, 500);\n      // });\n\n      let showFocus;\n      $.each(['x1', 'y1', 'x2', 'y2', 'cx', 'cy', 'fx', 'fy'], function (i, attr) {\n        const isRadial = isNaN(attr[1]);\n\n        let attrval = curGradient.getAttribute(attr);\n        if (!attrval) {\n          // Set defaults\n          if (isRadial) {\n            // For radial points\n            attrval = '0.5';\n          } else {\n            // Only x2 is 1\n            attrval = attr === 'x2' ? '1.0' : '0.0';\n          }\n        }\n\n        attrInput[attr] = $('#' + id + '_jGraduate_' + attr)\n          .val(attrval)\n          .change(function () {\n            // TODO: Support values < 0 and > 1 (zoomable preview?)\n            if (isNaN(parseFloat(this.value)) || this.value < 0) {\n              this.value = 0.0;\n            } else if (this.value > 1) {\n              this.value = 1.0;\n            }\n\n            if (!(attr[0] === 'f' && !showFocus)) {\n              if ((isRadial && curType === 'radialGradient') || (!isRadial && curType === 'linearGradient')) {\n                curGradient.setAttribute(attr, this.value);\n              }\n            }\n\n            const $elem = isRadial\n              ? attr[0] === 'c' ? centerCoord : focusCoord\n              : attr[1] === '1' ? beginCoord : endCoord;\n\n            const cssName = attr.includes('x') ? 'left' : 'top';\n\n            $elem.css(cssName, this.value * MAX);\n          }).change();\n      });\n\n      function mkStop (n, color, opac, sel, stopElem) {\n        const stop = stopElem || mkElem('stop', {'stop-color': color, 'stop-opacity': opac, offset: n}, curGradient);\n        if (stopElem) {\n          color = stopElem.getAttribute('stop-color');\n          opac = stopElem.getAttribute('stop-opacity');\n          n = stopElem.getAttribute('offset');\n        } else {\n          curGradient.append(stop);\n        }\n        if (opac === null) opac = 1;\n\n        const pickerD = 'M-6.2,0.9c3.6-4,6.7-4.3,6.7-12.4c-0.2,7.9,3.1,8.8,6.5,12.4c3.5,3.8,2.9,9.6,0,12.3c-3.1,2.8-10.4,2.7-13.2,0C-9.6,9.9-9.4,4.4-6.2,0.9z';\n\n        const pathbg = mkElem('path', {\n          d: pickerD,\n          fill: 'url(#jGraduate_trans)',\n          transform: 'translate(' + (10 + n * MAX) + ', 26)'\n        }, stopGroup);\n\n        const path = mkElem('path', {\n          d: pickerD,\n          fill: color,\n          'fill-opacity': opac,\n          transform: 'translate(' + (10 + n * MAX) + ', 26)',\n          stroke: '#000',\n          'stroke-width': 1.5\n        }, stopGroup);\n\n        $(path).mousedown(function (e) {\n          selectStop(this);\n          drag = curStop;\n          $win.mousemove(dragColor).mouseup(remDrags);\n          stopOffset = stopMakerDiv.offset();\n          e.preventDefault();\n          return false;\n        }).data('stop', stop).data('bg', pathbg).dblclick(function () {\n          $('div.jGraduate_LightBox').show();\n          const colorhandle = this;\n          let stopOpacity = +stop.getAttribute('stop-opacity') || 1;\n          let stopColor = stop.getAttribute('stop-color') || 1;\n          let thisAlpha = (parseFloat(stopOpacity) * 255).toString(16);\n          while (thisAlpha.length < 2) { thisAlpha = '0' + thisAlpha; }\n          color = stopColor.substr(1) + thisAlpha;\n          $('#' + id + '_jGraduate_stopPicker').css({left: 100, bottom: 15}).jPicker({\n            window: {title: 'Pick the start color and opacity for the gradient'},\n            images: {clientPath: $settings.images.clientPath},\n            color: {active: color, alphaSupport: true}\n          }, function (color, arg2) {\n            stopColor = color.val('hex') ? ('#' + color.val('hex')) : 'none';\n            stopOpacity = color.val('a') !== null ? color.val('a') / 256 : 1;\n            colorhandle.setAttribute('fill', stopColor);\n            colorhandle.setAttribute('fill-opacity', stopOpacity);\n            stop.setAttribute('stop-color', stopColor);\n            stop.setAttribute('stop-opacity', stopOpacity);\n            $('div.jGraduate_LightBox').hide();\n            $('#' + id + '_jGraduate_stopPicker').hide();\n          }, null, function () {\n            $('div.jGraduate_LightBox').hide();\n            $('#' + id + '_jGraduate_stopPicker').hide();\n          });\n        });\n\n        $(curGradient).find('stop').each(function () {\n          const curS = $(this);\n          if (+this.getAttribute('offset') > n) {\n            if (!color) {\n              const newcolor = this.getAttribute('stop-color');\n              const newopac = this.getAttribute('stop-opacity');\n              stop.setAttribute('stop-color', newcolor);\n              path.setAttribute('fill', newcolor);\n              stop.setAttribute('stop-opacity', newopac === null ? 1 : newopac);\n              path.setAttribute('fill-opacity', newopac === null ? 1 : newopac);\n            }\n            curS.before(stop);\n            return false;\n          }\n        });\n        if (sel) selectStop(path);\n        return stop;\n      }\n\n      function remStop () {\n        delStop.setAttribute('display', 'none');\n        const path = $(curStop);\n        const stop = path.data('stop');\n        const bg = path.data('bg');\n        $([curStop, stop, bg]).remove();\n      }\n\n      const stopMakerDiv = $('#' + id + '_jGraduate_StopSlider');\n\n      let stops, curStop, drag;\n\n      const delStop = mkElem('path', {\n        d: 'm9.75,-6l-19.5,19.5m0,-19.5l19.5,19.5',\n        fill: 'none',\n        stroke: '#D00',\n        'stroke-width': 5,\n        display: 'none'\n      }, undefined); // stopMakerSVG);\n\n      function selectStop (item) {\n        if (curStop) curStop.setAttribute('stroke', '#000');\n        item.setAttribute('stroke', 'blue');\n        curStop = item;\n        curStop.parentNode.append(curStop);\n        //   stops = $('stop');\n        //   opac_select.val(curStop.attr('fill-opacity') || 1);\n        //   root.append(delStop);\n      }\n\n      let stopOffset;\n\n      function remDrags () {\n        $win.unbind('mousemove', dragColor);\n        if (delStop.getAttribute('display') !== 'none') {\n          remStop();\n        }\n        drag = null;\n      }\n\n      let scaleX = 1, scaleY = 1, angle = 0;\n\n      let cX = cx;\n      let cY = cy;\n      function xform () {\n        const rot = angle ? 'rotate(' + angle + ',' + cX + ',' + cY + ') ' : '';\n        if (scaleX === 1 && scaleY === 1) {\n          curGradient.removeAttribute('gradientTransform');\n          // $('#ang').addClass('dis');\n        } else {\n          const x = -cX * (scaleX - 1);\n          const y = -cY * (scaleY - 1);\n          curGradient.setAttribute('gradientTransform', rot + 'translate(' + x + ',' + y + ') scale(' + scaleX + ',' + scaleY + ')');\n          // $('#ang').removeClass('dis');\n        }\n      }\n\n      function dragColor (evt) {\n        let x = evt.pageX - stopOffset.left;\n        const y = evt.pageY - stopOffset.top;\n        x = x < 10\n          ? 10\n          : x > MAX + 10\n            ? MAX + 10\n            : x;\n\n        const xfStr = 'translate(' + x + ', 26)';\n        if (y < -60 || y > 130) {\n          delStop.setAttribute('display', 'block');\n          delStop.setAttribute('transform', xfStr);\n        } else {\n          delStop.setAttribute('display', 'none');\n        }\n\n        drag.setAttribute('transform', xfStr);\n        $.data(drag, 'bg').setAttribute('transform', xfStr);\n        const stop = $.data(drag, 'stop');\n        const sX = (x - 10) / MAX;\n\n        stop.setAttribute('offset', sX);\n\n        let last = 0;\n        $(curGradient).find('stop').each(function (i) {\n          const cur = this.getAttribute('offset');\n          const t = $(this);\n          if (cur < last) {\n            t.prev().before(t);\n            stops = $(curGradient).find('stop');\n          }\n          last = cur;\n        });\n      }\n\n      const stopMakerSVG = mkElem('svg', {\n        width: '100%',\n        height: 45\n      }, stopMakerDiv[0]);\n\n      const transPattern = mkElem('pattern', {\n        width: 16,\n        height: 16,\n        patternUnits: 'userSpaceOnUse',\n        id: 'jGraduate_trans'\n      }, stopMakerSVG);\n\n      const transImg = mkElem('image', {\n        width: 16,\n        height: 16\n      }, transPattern);\n\n      const bgImage = $settings.images.clientPath + 'map-opacity.png';\n\n      transImg.setAttributeNS(ns.xlink, 'xlink:href', bgImage);\n\n      $(stopMakerSVG).click(function (evt) {\n        stopOffset = stopMakerDiv.offset();\n        const {target} = evt;\n        if (target.tagName === 'path') return;\n        let x = evt.pageX - stopOffset.left - 8;\n        x = x < 10 ? 10 : x > MAX + 10 ? MAX + 10 : x;\n        mkStop(x / MAX, 0, 0, true);\n        evt.stopPropagation();\n      });\n\n      $(stopMakerSVG).mouseover(function () {\n        stopMakerSVG.append(delStop);\n      });\n\n      stopGroup = mkElem('g', {}, stopMakerSVG);\n\n      mkElem('line', {\n        x1: 10,\n        y1: 15,\n        x2: MAX + 10,\n        y2: 15,\n        'stroke-width': 2,\n        stroke: '#000'\n      }, stopMakerSVG);\n\n      const spreadMethodOpt = gradPicker.find('.jGraduate_spreadMethod').change(function () {\n        curGradient.setAttribute('spreadMethod', $(this).val());\n      });\n\n      // handle dragging the stop around the swatch\n      let draggingCoord = null;\n\n      const onCoordDrag = function (evt) {\n        let x = evt.pageX - offset.left;\n        let y = evt.pageY - offset.top;\n\n        // clamp stop to the swatch\n        x = x < 0 ? 0 : x > MAX ? MAX : x;\n        y = y < 0 ? 0 : y > MAX ? MAX : y;\n\n        draggingCoord.css('left', x).css('top', y);\n\n        // calculate stop offset\n        const fracx = x / SIZEX;\n        const fracy = y / SIZEY;\n\n        const type = draggingCoord.data('coord');\n        const grad = curGradient;\n\n        switch (type) {\n        case 'start':\n          attrInput.x1.val(fracx);\n          attrInput.y1.val(fracy);\n          grad.setAttribute('x1', fracx);\n          grad.setAttribute('y1', fracy);\n          break;\n        case 'end':\n          attrInput.x2.val(fracx);\n          attrInput.y2.val(fracy);\n          grad.setAttribute('x2', fracx);\n          grad.setAttribute('y2', fracy);\n          break;\n        case 'center':\n          attrInput.cx.val(fracx);\n          attrInput.cy.val(fracy);\n          grad.setAttribute('cx', fracx);\n          grad.setAttribute('cy', fracy);\n          cX = fracx;\n          cY = fracy;\n          xform();\n          break;\n        case 'focus':\n          attrInput.fx.val(fracx);\n          attrInput.fy.val(fracy);\n          grad.setAttribute('fx', fracx);\n          grad.setAttribute('fy', fracy);\n          xform();\n        }\n\n        evt.preventDefault();\n      };\n\n      const onCoordUp = function () {\n        draggingCoord = null;\n        $win.unbind('mousemove', onCoordDrag).unbind('mouseup', onCoordUp);\n      };\n\n      // Linear gradient\n      // (function () {\n\n      stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');\n\n      let numstops = stops.length;\n      // if there are not at least two stops, then\n      if (numstops < 2) {\n        while (numstops < 2) {\n          curGradient.append(document.createElementNS(ns.svg, 'stop'));\n          ++numstops;\n        }\n        stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');\n      }\n\n      for (let i = 0; i < numstops; i++) {\n        mkStop(0, 0, 0, 0, stops[i]);\n      }\n\n      spreadMethodOpt.val(curGradient.getAttribute('spreadMethod') || 'pad');\n\n      let offset;\n\n      // No match, so show focus point\n      showFocus = false;\n\n      previewRect.setAttribute('fill-opacity', gradalpha / 100);\n\n      $('#' + id + ' div.grad_coord').mousedown(function (evt) {\n        evt.preventDefault();\n        draggingCoord = $(this);\n        // const sPos = draggingCoord.offset();\n        offset = draggingCoord.parent().offset();\n        $win.mousemove(onCoordDrag).mouseup(onCoordUp);\n      });\n\n      // bind GUI elements\n      $('#' + id + '_jGraduate_Ok').bind('click', function () {\n        $this.paint.type = curType;\n        $this.paint[curType] = curGradient.cloneNode(true);\n        $this.paint.solidColor = null;\n        okClicked();\n      });\n      $('#' + id + '_jGraduate_Cancel').bind('click', function (paint) {\n        cancelClicked();\n      });\n\n      if (curType === 'radialGradient') {\n        if (showFocus) {\n          focusCoord.show();\n        } else {\n          focusCoord.hide();\n          attrInput.fx.val('');\n          attrInput.fy.val('');\n        }\n      }\n\n      $('#' + id + '_jGraduate_match_ctr')[0].checked = !showFocus;\n\n      let lastfx, lastfy;\n\n      $('#' + id + '_jGraduate_match_ctr').change(function () {\n        showFocus = !this.checked;\n        focusCoord.toggle(showFocus);\n        attrInput.fx.val('');\n        attrInput.fy.val('');\n        const grad = curGradient;\n        if (!showFocus) {\n          lastfx = grad.getAttribute('fx');\n          lastfy = grad.getAttribute('fy');\n          grad.removeAttribute('fx');\n          grad.removeAttribute('fy');\n        } else {\n          const fx = lastfx || 0.5;\n          const fy = lastfy || 0.5;\n          grad.setAttribute('fx', fx);\n          grad.setAttribute('fy', fy);\n          attrInput.fx.val(fx);\n          attrInput.fy.val(fy);\n        }\n      });\n\n      stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');\n      numstops = stops.length;\n      // if there are not at least two stops, then\n      if (numstops < 2) {\n        while (numstops < 2) {\n          curGradient.append(document.createElementNS(ns.svg, 'stop'));\n          ++numstops;\n        }\n        stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');\n      }\n\n      let slider;\n\n      const setSlider = function (e) {\n        const {offset} = slider;\n        const div = slider.parent;\n        let x = (e.pageX - offset.left - parseInt(div.css('border-left-width')));\n        if (x > SLIDERW) x = SLIDERW;\n        if (x <= 0) x = 0;\n        const posx = x - 5;\n        x /= SLIDERW;\n\n        switch (slider.type) {\n        case 'radius':\n          x = Math.pow(x * 2, 2.5);\n          if (x > 0.98 && x < 1.02) x = 1;\n          if (x <= 0.01) x = 0.01;\n          curGradient.setAttribute('r', x);\n          break;\n        case 'opacity':\n          $this.paint.alpha = parseInt(x * 100);\n          previewRect.setAttribute('fill-opacity', x);\n          break;\n        case 'ellip':\n          scaleX = 1;\n          scaleY = 1;\n          if (x < 0.5) {\n            x /= 0.5; // 0.001\n            scaleX = x <= 0 ? 0.01 : x;\n          } else if (x > 0.5) {\n            x /= 0.5; // 2\n            x = 2 - x;\n            scaleY = x <= 0 ? 0.01 : x;\n          }\n          xform();\n          x -= 1;\n          if (scaleY === x + 1) {\n            x = Math.abs(x);\n          }\n          break;\n        case 'angle':\n          x = x - 0.5;\n          angle = x *= 180;\n          xform();\n          x /= 100;\n          break;\n        }\n        slider.elem.css({'margin-left': posx});\n        x = Math.round(x * 100);\n        slider.input.val(x);\n      };\n\n      let ellipVal = 0, angleVal = 0;\n\n      if (curType === 'radialGradient') {\n        const tlist = curGradient.gradientTransform.baseVal;\n        if (tlist.numberOfItems === 2) {\n          const t = tlist.getItem(0);\n          const s = tlist.getItem(1);\n          if (t.type === 2 && s.type === 3) {\n            const m = s.matrix;\n            if (m.a !== 1) {\n              ellipVal = Math.round(-(1 - m.a) * 100);\n            } else if (m.d !== 1) {\n              ellipVal = Math.round((1 - m.d) * 100);\n            }\n          }\n        } else if (tlist.numberOfItems === 3) {\n          // Assume [R][T][S]\n          const r = tlist.getItem(0);\n          const t = tlist.getItem(1);\n          const s = tlist.getItem(2);\n\n          if (r.type === 4 &&\n            t.type === 2 &&\n            s.type === 3\n          ) {\n            angleVal = Math.round(r.angle);\n            const m = s.matrix;\n            if (m.a !== 1) {\n              ellipVal = Math.round(-(1 - m.a) * 100);\n            } else if (m.d !== 1) {\n              ellipVal = Math.round((1 - m.d) * 100);\n            }\n          }\n        }\n      }\n\n      const sliders = {\n        radius: {\n          handle: '#' + id + '_jGraduate_RadiusArrows',\n          input: '#' + id + '_jGraduate_RadiusInput',\n          val: (curGradient.getAttribute('r') || 0.5) * 100\n        },\n        opacity: {\n          handle: '#' + id + '_jGraduate_OpacArrows',\n          input: '#' + id + '_jGraduate_OpacInput',\n          val: $this.paint.alpha || 100\n        },\n        ellip: {\n          handle: '#' + id + '_jGraduate_EllipArrows',\n          input: '#' + id + '_jGraduate_EllipInput',\n          val: ellipVal\n        },\n        angle: {\n          handle: '#' + id + '_jGraduate_AngleArrows',\n          input: '#' + id + '_jGraduate_AngleInput',\n          val: angleVal\n        }\n      };\n\n      $.each(sliders, function (type, data) {\n        const handle = $(data.handle);\n        handle.mousedown(function (evt) {\n          const parent = handle.parent();\n          slider = {\n            type,\n            elem: handle,\n            input: $(data.input),\n            parent,\n            offset: parent.offset()\n          };\n          $win.mousemove(dragSlider).mouseup(stopSlider);\n          evt.preventDefault();\n        });\n\n        $(data.input).val(data.val).change(function () {\n          const isRad = curType === 'radialGradient';\n          let val = +this.value;\n          let xpos = 0;\n          switch (type) {\n          case 'radius':\n            if (isRad) curGradient.setAttribute('r', val / 100);\n            xpos = (Math.pow(val / 100, 1 / 2.5) / 2) * SLIDERW;\n            break;\n\n          case 'opacity':\n            $this.paint.alpha = val;\n            previewRect.setAttribute('fill-opacity', val / 100);\n            xpos = val * (SLIDERW / 100);\n            break;\n\n          case 'ellip':\n            scaleX = scaleY = 1;\n            if (val === 0) {\n              xpos = SLIDERW * 0.5;\n              break;\n            }\n            if (val > 99.5) val = 99.5;\n            if (val > 0) {\n              scaleY = 1 - (val / 100);\n            } else {\n              scaleX = -(val / 100) - 1;\n            }\n\n            xpos = SLIDERW * ((val + 100) / 2) / 100;\n            if (isRad) xform();\n            break;\n\n          case 'angle':\n            angle = val;\n            xpos = angle / 180;\n            xpos += 0.5;\n            xpos *= SLIDERW;\n            if (isRad) xform();\n          }\n          if (xpos > SLIDERW) {\n            xpos = SLIDERW;\n          } else if (xpos < 0) {\n            xpos = 0;\n          }\n          handle.css({'margin-left': xpos - 5});\n        }).change();\n      });\n\n      const dragSlider = function (evt) {\n        setSlider(evt);\n        evt.preventDefault();\n      };\n\n      const stopSlider = function (evt) {\n        $win.unbind('mousemove', dragSlider).unbind('mouseup', stopSlider);\n        slider = null;\n      };\n\n      // --------------\n      let thisAlpha = ($this.paint.alpha * 255 / 100).toString(16);\n      while (thisAlpha.length < 2) { thisAlpha = '0' + thisAlpha; }\n      thisAlpha = thisAlpha.split('.')[0];\n      color = $this.paint.solidColor === 'none' ? '' : $this.paint.solidColor + thisAlpha;\n\n      if (!isSolid) {\n        color = stops[0].getAttribute('stop-color');\n      }\n\n      // This should be done somewhere else, probably\n      $.extend($.fn.jPicker.defaults.window, {\n        alphaSupport: true, effects: {type: 'show', speed: 0}\n      });\n\n      colPicker.jPicker(\n        {\n          window: {title: $settings.window.pickerTitle},\n          images: {clientPath: $settings.images.clientPath},\n          color: {active: color, alphaSupport: true}\n        },\n        function (color) {\n          $this.paint.type = 'solidColor';\n          $this.paint.alpha = color.val('ahex') ? Math.round((color.val('a') / 255) * 100) : 100;\n          $this.paint.solidColor = color.val('hex') ? color.val('hex') : 'none';\n          $this.paint.radialGradient = null;\n          okClicked();\n        },\n        null,\n        function () { cancelClicked(); }\n      );\n\n      const tabs = $(idref + ' .jGraduate_tabs li');\n      tabs.click(function () {\n        tabs.removeClass('jGraduate_tab_current');\n        $(this).addClass('jGraduate_tab_current');\n        $(idref + ' > div').hide();\n        const type = $(this).attr('data-type');\n        /* const container = */ $(idref + ' .jGraduate_gradPick').show();\n        if (type === 'rg' || type === 'lg') {\n          // Show/hide appropriate fields\n          $('.jGraduate_' + type + '_field').show();\n          $('.jGraduate_' + (type === 'lg' ? 'rg' : 'lg') + '_field').hide();\n\n          $('#' + id + '_jgraduate_rect')[0].setAttribute('fill', 'url(#' + id + '_' + type + '_jgraduate_grad)');\n\n          // Copy stops\n\n          curType = type === 'lg' ? 'linearGradient' : 'radialGradient';\n\n          $('#' + id + '_jGraduate_OpacInput').val($this.paint.alpha).change();\n\n          const newGrad = $('#' + id + '_' + type + '_jgraduate_grad')[0];\n\n          if (curGradient !== newGrad) {\n            const curStops = $(curGradient).find('stop');\n            $(newGrad).empty().append(curStops);\n            curGradient = newGrad;\n            const sm = spreadMethodOpt.val();\n            curGradient.setAttribute('spreadMethod', sm);\n          }\n          showFocus = type === 'rg' && curGradient.getAttribute('fx') != null && !(cx === fx && cy === fy);\n          $('#' + id + '_jGraduate_focusCoord').toggle(showFocus);\n          if (showFocus) {\n            $('#' + id + '_jGraduate_match_ctr')[0].checked = false;\n          }\n        } else {\n          $(idref + ' .jGraduate_gradPick').hide();\n          $(idref + ' .jGraduate_colPick').show();\n        }\n      });\n      $(idref + ' > div').hide();\n      tabs.removeClass('jGraduate_tab_current');\n      let tab;\n      switch ($this.paint.type) {\n      case 'linearGradient':\n        tab = $(idref + ' .jGraduate_tab_lingrad');\n        break;\n      case 'radialGradient':\n        tab = $(idref + ' .jGraduate_tab_radgrad');\n        break;\n      default:\n        tab = $(idref + ' .jGraduate_tab_color');\n        break;\n      }\n      $this.show();\n\n      // jPicker will try to show after a 0ms timeout, so need to fire this after that\n      setTimeout(() => {\n        tab.addClass('jGraduate_tab_current').click();\n      }, 10);\n    });\n  };\n  return $;\n}\n","/**\n * SpinButton control\n *\n * Adds bells and whistles to any ordinary textbox to\n * make it look and feel like a SpinButton Control.\n *\n * Supplies {@link external:jQuery.fn.SpinButton} (and also {@link external:jQuery.loadingStylesheets})\n *\n * Originally written by George Adamson, Software Unity (george.jquery@softwareunity.com) August 2006.\n * - Added min/max options\n * - Added step size option\n * - Added bigStep (page up/down) option\n *\n * Modifications made by Mark Gibson, (mgibson@designlinks.net) September 2006:\n * - Converted to jQuery plugin\n * - Allow limited or unlimited min/max values\n * - Allow custom class names, and add class to input element\n * - Removed global vars\n * - Reset (to original or through config) when invalid value entered\n * - Repeat whilst holding mouse button down (with initial pause, like keyboard repeat)\n * - Support mouse wheel in Firefox\n * - Fix double click in IE\n * - Refactored some code and renamed some vars\n *\n * Modifications by Jeff Schiller, June 2009:\n * - provide callback function for when the value changes based on the following\n *   {@link https://www.mail-archive.com/jquery-en@googlegroups.com/msg36070.html}\n *\n * Modifications by Jeff Schiller, July 2009:\n * - improve styling for widget in Opera\n * - consistent key-repeat handling cross-browser\n *\n * Modifications by Alexis Deveria, October 2009:\n * - provide \"stepfunc\" callback option to allow custom function to run when changing a value\n * - Made adjustValue(0) only run on certain keyup events, not all.\n *\n * Tested in IE6, Opera9, Firefox 1.5\n *\n * | Version | Date | Author | Notes\n * |---------|------|--------|------|\n * | v1.0 | 11 Aug 2006 | George Adamson | First release\n * | v1.1 | Aug 2006 | George Adamson | Minor enhancements\n * | v1.2 | 27 Sep 2006 | Mark Gibson | Major enhancements\n * | v1.3a | 28 Sep 2006 | George Adamson | Minor enhancements\n * | v1.4 | 18 Jun 2009 | Jeff Schiller | Added callback function\n * | v1.5 | 06 Jul 2009 | Jeff Schiller | Fixes for Opera.\n * | v1.6 | 13 Oct 2009 | Alexis Deveria | Added stepfunc function\n * | v1.7 | 21 Oct 2009 | Alexis Deveria | Minor fixes.<br />Fast-repeat for keys and live updating as you type.\n * | v1.8 | 12 Jan 2010 | Benjamin Thomas | Fixes for mouseout behavior.<br />Added smallStep\n * | v1.9 | 20 May 2018 | Brett Zamir | Avoid SVGEdit dependency via `stateObj` config;<br />convert to ES6 module |\n * @module jQuerySpinButton\n * @example\n\n  // Create group of settings to initialise spinbutton(s). (Optional)\n  const myOptions = {\n    min: 0, // Set lower limit.\n    max: 100, // Set upper limit.\n    step: 1, // Set increment size.\n    smallStep: 0.5, // Set shift-click increment size.\n    stateObj: {tool_scale: 1}, // Object to allow passing in live-updating scale\n    spinClass: mySpinBtnClass, // CSS class to style the spinbutton. (Class also specifies url of the up/down button image.)\n    upClass: mySpinUpClass, // CSS class for style when mouse over up button.\n    downClass: mySpinDnClass // CSS class for style when mouse over down button.\n  };\n\n  $(function () {\n    // Initialise INPUT element(s) as SpinButtons: (passing options if desired)\n    $(\"#myInputElement\").SpinButton(myOptions);\n  });\n */\n/**\n * @function module:jQuerySpinButton.jQuerySpinButton\n * @param {external:jQuery} $ The jQuery object to which to add the plug-in\n * @returns {external:jQuery}\n*/\nexport default function ($) {\n  if (!$.loadingStylesheets) {\n    $.loadingStylesheets = [];\n  }\n  const stylesheet = 'spinbtn/jQuery.SpinButton.css';\n  if (!$.loadingStylesheets.includes(stylesheet)) {\n    $.loadingStylesheets.push(stylesheet);\n  }\n  /**\n  * @callback module:jQuerySpinButton.StepCallback\n  * @param {external:jQuery} thisArg Value of `this`\n  */\n  /**\n  * @callback module:jQuerySpinButton.ValueCallback\n  * @param {external:jQuery} thisArg Value of `this`\n  * @param {Float} value Value that was changed\n  */\n  /**\n   * @typedef {PlainObject} module:jQuerySpinButton.SpinButtonConfig\n   * @property {Float} min Set lower limit\n   * @property {Float} max Set upper limit.\n   * @property {Float} step Set increment size.\n   * @property {module:jQuerySpinButton.StepCallback} stepfunc Custom function to run when changing a value; called with `this` of object and the value to adjust\n   * @property {module:jQuerySpinButton.ValueCallback} callback Called after value adjusted (with `this` of object)\n   * @property {Float} smallStep Set shift-click increment size.\n   * @property {PlainObject} stateObj Object to allow passing in live-updating scale\n   * @property {Float} stateObj.tool_scale\n   * @property {string} spinClass CSS class to style the spinbutton. (Class also specifies url of the up/down button image.)\n   * @property {string} upClass CSS class for style when mouse over up button.\n   * @property {string} downClass CSS class for style when mouse over down button.\n   * @property {Float} page Value to be adjusted on page up/page down\n   * @property {Float} reset Reset value when invalid value entered\n   * @property {Float} delay Millisecond delay\n   * @property {Float} interval Millisecond interval\n  */\n  /**\n  * @function external:jQuery.fn.SpinButton\n  * @param {module:jQuerySpinButton.SpinButtonConfig} cfg\n  * @returns {external:jQuery}\n  */\n  $.fn.SpinButton = function (cfg) {\n    cfg = cfg || {};\n    function coord (el, prop) {\n      const b = document.body;\n\n      let c = el[prop];\n      while ((el = el.offsetParent) && (el !== b)) {\n        if (!$.browser.msie || (el.currentStyle.position !== 'relative')) {\n          c += el[prop];\n        }\n      }\n\n      return c;\n    }\n\n    return this.each(function () {\n      this.repeating = false;\n\n      // Apply specified options or defaults:\n      // (Ought to refactor this some day to use $.extend() instead)\n      this.spinCfg = {\n        // min: cfg.min ? Number(cfg.min) : null,\n        // max: cfg.max ? Number(cfg.max) : null,\n        min: !isNaN(parseFloat(cfg.min)) ? Number(cfg.min) : null, // Fixes bug with min:0\n        max: !isNaN(parseFloat(cfg.max)) ? Number(cfg.max) : null,\n        step: cfg.step ? Number(cfg.step) : 1,\n        stepfunc: cfg.stepfunc || false,\n        page: cfg.page ? Number(cfg.page) : 10,\n        upClass: cfg.upClass || 'up',\n        downClass: cfg.downClass || 'down',\n        reset: cfg.reset || this.value,\n        delay: cfg.delay ? Number(cfg.delay) : 500,\n        interval: cfg.interval ? Number(cfg.interval) : 100,\n        _btn_width: 20,\n        _direction: null,\n        _delay: null,\n        _repeat: null,\n        callback: cfg.callback || null\n      };\n\n      // if a smallStep isn't supplied, use half the regular step\n      this.spinCfg.smallStep = cfg.smallStep || this.spinCfg.step / 2;\n\n      this.adjustValue = function (i) {\n        let v;\n        if (isNaN(this.value)) {\n          v = this.spinCfg.reset;\n        } else if (typeof this.spinCfg.stepfunc === 'function') {\n          v = this.spinCfg.stepfunc(this, i);\n        } else {\n          // weirdest JavaScript bug ever: 5.1 + 0.1 = 5.199999999\n          v = Number((Number(this.value) + Number(i)).toFixed(5));\n        }\n        if (this.spinCfg.min !== null) { v = Math.max(v, this.spinCfg.min); }\n        if (this.spinCfg.max !== null) { v = Math.min(v, this.spinCfg.max); }\n        this.value = v;\n        if (typeof this.spinCfg.callback === 'function') { this.spinCfg.callback(this); }\n      };\n\n      $(this)\n        .addClass(cfg.spinClass || 'spin-button')\n\n        .mousemove(function (e) {\n          // Determine which button mouse is over, or not (spin direction):\n          const x = e.pageX || e.x;\n          const y = e.pageY || e.y;\n          const el = e.target;\n          const scale = cfg.stateObj.tool_scale || 1;\n          const height = $(el).height() / 2;\n\n          const direction =\n            (x > coord(el, 'offsetLeft') +\n              el.offsetWidth * scale - this.spinCfg._btn_width)\n              ? ((y < coord(el, 'offsetTop') + height * scale) ? 1 : -1) : 0;\n\n          if (direction !== this.spinCfg._direction) {\n            // Style up/down buttons:\n            switch (direction) {\n            case 1: // Up arrow:\n              $(this).removeClass(this.spinCfg.downClass).addClass(this.spinCfg.upClass);\n              break;\n            case -1: // Down arrow:\n              $(this).removeClass(this.spinCfg.upClass).addClass(this.spinCfg.downClass);\n              break;\n            default: // Mouse is elsewhere in the textbox\n              $(this).removeClass(this.spinCfg.upClass).removeClass(this.spinCfg.downClass);\n            }\n\n            // Set spin direction:\n            this.spinCfg._direction = direction;\n          }\n        })\n\n        .mouseout(function () {\n          // Reset up/down buttons to their normal appearance when mouse moves away:\n          $(this).removeClass(this.spinCfg.upClass).removeClass(this.spinCfg.downClass);\n          this.spinCfg._direction = null;\n          window.clearInterval(this.spinCfg._repeat);\n          window.clearTimeout(this.spinCfg._delay);\n        })\n\n        .mousedown(function (e) {\n          if (e.button === 0 && this.spinCfg._direction !== 0) {\n            // Respond to click on one of the buttons:\n            const stepSize = e.shiftKey ? this.spinCfg.smallStep : this.spinCfg.step;\n\n            const adjust = () => {\n              this.adjustValue(this.spinCfg._direction * stepSize);\n            };\n\n            adjust();\n\n            // Initial delay before repeating adjustment\n            this.spinCfg._delay = window.setTimeout(() => {\n              adjust();\n              // Repeat adjust at regular intervals\n              this.spinCfg._repeat = window.setInterval(adjust, this.spinCfg.interval);\n            }, this.spinCfg.delay);\n          }\n        })\n\n        .mouseup(function (e) {\n          // Cancel repeating adjustment\n          window.clearInterval(this.spinCfg._repeat);\n          window.clearTimeout(this.spinCfg._delay);\n        })\n\n        .dblclick(function (e) {\n          if ($.browser.msie) {\n            this.adjustValue(this.spinCfg._direction * this.spinCfg.step);\n          }\n        })\n\n        .keydown(function (e) {\n          // Respond to up/down arrow keys.\n          switch (e.keyCode) {\n          case 38: this.adjustValue(this.spinCfg.step); break; // Up\n          case 40: this.adjustValue(-this.spinCfg.step); break; // Down\n          case 33: this.adjustValue(this.spinCfg.page); break; // PageUp\n          case 34: this.adjustValue(-this.spinCfg.page); break; // PageDown\n          }\n        })\n\n        /*\n        http://unixpapa.com/js/key.html describes the current state-of-affairs for\n        key repeat events:\n        - Safari 3.1 changed their model so that keydown is reliably repeated going forward\n        - Firefox and Opera still only repeat the keypress event, not the keydown\n        */\n        .keypress(function (e) {\n          if (this.repeating) {\n            // Respond to up/down arrow keys.\n            switch (e.keyCode) {\n            case 38: this.adjustValue(this.spinCfg.step); break; // Up\n            case 40: this.adjustValue(-this.spinCfg.step); break; // Down\n            case 33: this.adjustValue(this.spinCfg.page); break; // PageUp\n            case 34: this.adjustValue(-this.spinCfg.page); break; // PageDown\n            }\n          // we always ignore the first keypress event (use the keydown instead)\n          } else {\n            this.repeating = true;\n          }\n        })\n\n        // clear the 'repeating' flag\n        .keyup(function (e) {\n          this.repeating = false;\n          switch (e.keyCode) {\n          case 38: // Up\n          case 40: // Down\n          case 33: // PageUp\n          case 34: // PageDown\n          case 13: this.adjustValue(0); break; // Enter/Return\n          }\n        })\n\n        .bind('mousewheel', function (e) {\n          // Respond to mouse wheel in IE. (It returns up/dn motion in multiples of 120)\n          if (e.wheelDelta >= 120) {\n            this.adjustValue(this.spinCfg.step);\n          } else if (e.wheelDelta <= -120) {\n            this.adjustValue(-this.spinCfg.step);\n          }\n\n          e.preventDefault();\n        })\n\n        .change(function (e) {\n          this.adjustValue(0);\n        });\n\n      if (this.addEventListener) {\n        // Respond to mouse wheel in Firefox\n        this.addEventListener('DOMMouseScroll', function (e) {\n          if (e.detail > 0) {\n            this.adjustValue(-this.spinCfg.step);\n          } else if (e.detail < 0) {\n            this.adjustValue(this.spinCfg.step);\n          }\n\n          e.preventDefault();\n        }, false);\n      }\n    });\n  };\n  return $;\n}\n","/**\n * jQuery Context Menu Plugin\n * Cory S.N. LaViska\n * A Beautiful Site ({@link https://abeautifulsite.net/})\n * Modified by Alexis Deveria\n *\n * More info: {@link https://abeautifulsite.net/2008/09/jquery-context-menu-plugin/}\n *\n * @module jQueryContextMenu\n * @todo Update to latest version and adapt (and needs jQuery update as well): {@link https://github.com/swisnl/jQuery-contextMenu}\n * @version 1.01\n *\n * @license\n * Terms of Use\n *\n * This plugin is dual-licensed under the GNU General Public License\n *   and the MIT License and is copyright A Beautiful Site, LLC.\n *\n*/\nimport {isMac} from '../browser.js';\n\n/**\n* @callback module:jQueryContextMenu.jQueryContextMenuCallback\n* @param {string} href The `href` value after the first character (for bypassing an initial `#`)\n* @param {external:jQuery} srcElement The wrapped jQuery srcElement\n* @param {{x: Float, y: Float, docX: Float, docY: Float}} coords\n*/\n\n/**\n* @typedef {PlainObject} module:jQueryContextMenu.jQueryContextMenuConfig\n* @property {string} menu\n* @property {Float} inSpeed\n* @property {Float} outSpeed\n* @property {boolean} allowLeft\n*/\n\n/**\n* Adds {@link external:jQuery.fn.contextMenu}, {@link external:jQuery.fn.disableContextMenuItems}, {@link external:jQuery.fn.enableContextMenuItems}, {@link external:jQuery.fn.disableContextMenu}, {@link external:jQuery.fn.enableContextMenu}, {@link external:jQuery.fn.destroyContextMenu}\n* @function module:jQueryContextMenu.jQueryContextMenu\n* @param {external:jQuery} $ The jQuery object to wrap (with `contextMenu`, `disableContextMenuItems`, `enableContextMenuItems`, `disableContextMenu`, `enableContextMenu`, `destroyContextMenu`)\n* @returns {external:jQuery}\n*/\nfunction jQueryContextMenu ($) {\n  const win = $(window);\n  const doc = $(document);\n\n  $.extend($.fn, {\n    /**\n    * @memberof external:jQuery.fn\n    * @param {module:jQueryContextMenu.jQueryContextMenuConfig} o\n    * @param {module:jQueryContextMenu.jQueryContextMenuCallback} callback\n    * @returns {external:jQuery}\n    */\n    contextMenu (o, callback) {\n      // Defaults\n      if (o.menu === undefined) return false;\n      if (o.inSpeed === undefined) o.inSpeed = 150;\n      if (o.outSpeed === undefined) o.outSpeed = 75;\n      // 0 needs to be -1 for expected results (no fade)\n      if (o.inSpeed === 0) o.inSpeed = -1;\n      if (o.outSpeed === 0) o.outSpeed = -1;\n      // Loop each context menu\n      $(this).each(function () {\n        const el = $(this);\n        const offset = $(el).offset();\n\n        const menu = $('#' + o.menu);\n\n        // Add contextMenu class\n        menu.addClass('contextMenu');\n        // Simulate a true right click\n        $(this).bind('mousedown', function (e) {\n          const evt = e;\n          $(this).mouseup(function (e) {\n            const srcElement = $(this);\n            srcElement.unbind('mouseup');\n            if (evt.button === 2 || o.allowLeft ||\n              (evt.ctrlKey && isMac())) {\n              e.stopPropagation();\n              // Hide context menus that may be showing\n              $('.contextMenu').hide();\n              // Get this context menu\n\n              if (el.hasClass('disabled')) return false;\n\n              // Detect mouse position\n              let x = e.pageX, y = e.pageY;\n\n              const xOff = win.width() - menu.width(),\n                yOff = win.height() - menu.height();\n\n              if (x > xOff - 15) x = xOff - 15;\n              if (y > yOff - 30) y = yOff - 30; // 30 is needed to prevent scrollbars in FF\n\n              // Show the menu\n              doc.unbind('click');\n              menu.css({top: y, left: x}).fadeIn(o.inSpeed);\n              // Hover events\n              menu.find('A').mouseover(function () {\n                menu.find('LI.hover').removeClass('hover');\n                $(this).parent().addClass('hover');\n              }).mouseout(function () {\n                menu.find('LI.hover').removeClass('hover');\n              });\n\n              // Keyboard\n              doc.keypress(function (e) {\n                switch (e.keyCode) {\n                case 38: // up\n                  if (!menu.find('LI.hover').length) {\n                    menu.find('LI:last').addClass('hover');\n                  } else {\n                    menu.find('LI.hover').removeClass('hover').prevAll('LI:not(.disabled)').eq(0).addClass('hover');\n                    if (!menu.find('LI.hover').length) menu.find('LI:last').addClass('hover');\n                  }\n                  break;\n                case 40: // down\n                  if (!menu.find('LI.hover').length) {\n                    menu.find('LI:first').addClass('hover');\n                  } else {\n                    menu.find('LI.hover').removeClass('hover').nextAll('LI:not(.disabled)').eq(0).addClass('hover');\n                    if (!menu.find('LI.hover').length) menu.find('LI:first').addClass('hover');\n                  }\n                  break;\n                case 13: // enter\n                  menu.find('LI.hover A').trigger('click');\n                  break;\n                case 27: // esc\n                  doc.trigger('click');\n                  break;\n                }\n              });\n\n              // When items are selected\n              menu.find('A').unbind('mouseup');\n              menu.find('LI:not(.disabled) A').mouseup(function () {\n                doc.unbind('click').unbind('keypress');\n                $('.contextMenu').hide();\n                // Callback\n                if (callback) {\n                  callback($(this).attr('href').substr(1), $(srcElement), {x: x - offset.left, y: y - offset.top, docX: x, docY: y});\n                }\n                return false;\n              });\n\n              // Hide bindings\n              setTimeout(function () { // Delay for Mozilla\n                doc.click(function () {\n                  doc.unbind('click').unbind('keypress');\n                  menu.fadeOut(o.outSpeed);\n                  return false;\n                });\n              }, 0);\n            }\n          });\n        });\n\n        // Disable text selection\n        if ($.browser.mozilla) {\n          $('#' + o.menu).each(function () { $(this).css({MozUserSelect: 'none'}); });\n        } else if ($.browser.msie) {\n          $('#' + o.menu).each(function () { $(this).bind('selectstart.disableTextSelect', function () { return false; }); });\n        } else {\n          $('#' + o.menu).each(function () { $(this).bind('mousedown.disableTextSelect', function () { return false; }); });\n        }\n        // Disable browser context menu (requires both selectors to work in IE/Safari + FF/Chrome)\n        $(el).add($('UL.contextMenu')).bind('contextmenu', function () { return false; });\n      });\n      return $(this);\n    },\n\n    /**\n    * Disable context menu items on the fly\n    * @memberof external:jQuery.fn\n    * @param {undefined|string} o Comma-separated\n    * @returns {external:jQuery}\n    */\n    disableContextMenuItems (o) {\n      if (o === undefined) {\n        // Disable all\n        $(this).find('LI').addClass('disabled');\n        return $(this);\n      }\n      $(this).each(function () {\n        if (o !== undefined) {\n          const d = o.split(',');\n          for (let i = 0; i < d.length; i++) {\n            $(this).find('A[href=\"' + d[i] + '\"]').parent().addClass('disabled');\n          }\n        }\n      });\n      return $(this);\n    },\n\n    /**\n    * Enable context menu items on the fly\n    * @memberof external:jQuery.fn\n    * @param {undefined|string} o Comma-separated\n    * @returns {external:jQuery}\n    */\n    enableContextMenuItems (o) {\n      if (o === undefined) {\n        // Enable all\n        $(this).find('LI.disabled').removeClass('disabled');\n        return $(this);\n      }\n      $(this).each(function () {\n        if (o !== undefined) {\n          const d = o.split(',');\n          for (let i = 0; i < d.length; i++) {\n            $(this).find('A[href=\"' + d[i] + '\"]').parent().removeClass('disabled');\n          }\n        }\n      });\n      return $(this);\n    },\n\n    /**\n    * Disable context menu(s)\n    * @memberof external:jQuery.fn\n    * @returns {external:jQuery}\n    */\n    disableContextMenu () {\n      $(this).each(function () {\n        $(this).addClass('disabled');\n      });\n      return $(this);\n    },\n\n    /**\n    * Enable context menu(s)\n    * @memberof external:jQuery.fn\n    * @returns {external:jQuery}\n    */\n    enableContextMenu () {\n      $(this).each(function () {\n        $(this).removeClass('disabled');\n      });\n      return $(this);\n    },\n\n    /**\n    * Destroy context menu(s)\n    * @memberof external:jQuery.fn\n    * @returns {external:jQuery}\n    */\n    destroyContextMenu () {\n      // Destroy specified context menus\n      $(this).each(function () {\n        // Disable action\n        $(this).unbind('mousedown').unbind('mouseup');\n      });\n      return $(this);\n    }\n  });\n  return $;\n}\n\nexport default jQueryContextMenu;\n","/**\n * jPicker (Adapted from version 1.1.6)\n *\n * jQuery Plugin for Photoshop style color picker\n *\n * @module jPicker\n * @copyright (c) 2010 Christopher T. Tillman\n * Digital Magic Productions, Inc. ({@link http://www.digitalmagicpro.com/})\n * FREE to use, alter, copy, sell, and especially ENHANCE\n * @license MIT\n *\n * Painstakingly ported from John Dyers' excellent work on his own color picker based on the Prototype framework.\n *\n * John Dyers' website: {@link http://johndyer.name}\n * Color Picker page: {@link http://johndyer.name/photoshop-like-javascript-color-picker/}\n */\n\n/**\n* @external Math\n*/\n/**\n* @memberof external:Math\n* @param {Float} value\n* @param {Float} precision\n* @returns {Float}\n*/\nfunction toFixedNumeric (value, precision) {\n  if (precision === undefined) precision = 0;\n  return Math.round(value * Math.pow(10, precision)) / Math.pow(10, precision);\n}\n\n/**\n* @function module:jPicker.jPicker\n* @param {external:jQuery} $ The jQuery object to wrap (with {@link external:jQuery.loadingStylesheets}, {@link external:jQuery.fn.$.fn.jPicker}, {@link external:jQuery.fn.$.fn.jPicker.defaults})\n* @returns {external:jQuery}\n*/\nconst jPicker = function ($) {\n  if (!$.loadingStylesheets) {\n    /**\n    * @name loadingStylesheets\n    * @type {string[]}\n    * @memberof external:jQuery\n    */\n    $.loadingStylesheets = [];\n  }\n  const stylesheet = 'jgraduate/css/jPicker.css';\n  if (!$.loadingStylesheets.includes(stylesheet)) {\n    $.loadingStylesheets.push(stylesheet);\n  }\n  /**\n  * @typedef {PlainObject} module:jPicker.SliderOptions\n  * @property {external:jQuery|PlainObject} arrow\n  * @property {string} arrow.image Not in use?\n  * @property {Float} arrow.width\n  * @property {Float} arrow.height\n  * @property {PlainObject} map\n  * @property {Float} map.width\n  * @property {Float} map.height\n  */\n\n  /**\n  * Encapsulate slider functionality for the ColorMap and ColorBar -\n  * could be useful to use a jQuery UI draggable for this with certain extensions\n  * @param {external:jQuery} bar\n  * @param {module:jPicker.SliderOptions} options\n  */\n  function Slider (bar, options) {\n    const $this = this;\n    function fireChangeEvents (context) {\n      for (let i = 0; i < changeEvents.length; i++) {\n        changeEvents[i].call($this, $this, context);\n      }\n    }\n    // bind the mousedown to the bar not the arrow for quick snapping to the clicked location\n    function mouseDown (e) {\n      const off = bar.offset();\n      offset = {l: off.left | 0, t: off.top | 0};\n      clearTimeout(timeout);\n      // using setTimeout for visual updates - once the style is updated the browser will re-render internally allowing the next Javascript to run\n      timeout = setTimeout(function () {\n        setValuesFromMousePosition.call($this, e);\n      }, 0);\n      // Bind mousemove and mouseup event to the document so it responds when dragged of of the bar - we will unbind these when on mouseup to save processing\n      $(document).bind('mousemove', mouseMove).bind('mouseup', mouseUp);\n      e.preventDefault(); // don't try to select anything or drag the image to the desktop\n    }\n    // set the values as the mouse moves\n    function mouseMove (e) {\n      clearTimeout(timeout);\n      timeout = setTimeout(function () {\n        setValuesFromMousePosition.call($this, e);\n      }, 0);\n      e.stopPropagation();\n      e.preventDefault();\n      return false;\n    }\n    // unbind the document events - they aren't needed when not dragging\n    function mouseUp (e) {\n      $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);\n      e.stopPropagation();\n      e.preventDefault();\n      return false;\n    }\n    // calculate mouse position and set value within the current range\n    function setValuesFromMousePosition (e) {\n      const barW = bar.w, // local copies for YUI compressor\n        barH = bar.h;\n      let locX = e.pageX - offset.l,\n        locY = e.pageY - offset.t;\n      // keep the arrow within the bounds of the bar\n      if (locX < 0) locX = 0;\n      else if (locX > barW) locX = barW;\n      if (locY < 0) locY = 0;\n      else if (locY > barH) locY = barH;\n      val.call($this, 'xy', {x: ((locX / barW) * rangeX) + minX, y: ((locY / barH) * rangeY) + minY});\n    }\n    function draw () {\n      const\n        barW = bar.w,\n        barH = bar.h,\n        arrowW = arrow.w,\n        arrowH = arrow.h;\n      let arrowOffsetX = 0,\n        arrowOffsetY = 0;\n      setTimeout(function () {\n        if (rangeX > 0) { // range is greater than zero\n          // constrain to bounds\n          if (x === maxX) arrowOffsetX = barW;\n          else arrowOffsetX = ((x / rangeX) * barW) | 0;\n        }\n        if (rangeY > 0) { // range is greater than zero\n          // constrain to bounds\n          if (y === maxY) arrowOffsetY = barH;\n          else arrowOffsetY = ((y / rangeY) * barH) | 0;\n        }\n        // if arrow width is greater than bar width, center arrow and prevent horizontal dragging\n        if (arrowW >= barW) arrowOffsetX = (barW >> 1) - (arrowW >> 1); // number >> 1 - superfast bitwise divide by two and truncate (move bits over one bit discarding lowest)\n        else arrowOffsetX -= arrowW >> 1;\n        // if arrow height is greater than bar height, center arrow and prevent vertical dragging\n        if (arrowH >= barH) arrowOffsetY = (barH >> 1) - (arrowH >> 1);\n        else arrowOffsetY -= arrowH >> 1;\n        // set the arrow position based on these offsets\n        arrow.css({left: arrowOffsetX + 'px', top: arrowOffsetY + 'px'});\n      }, 0);\n    }\n    function val (name, value, context) {\n      const set = value !== undefined;\n      if (!set) {\n        if (name === undefined || name == null) name = 'xy';\n        switch (name.toLowerCase()) {\n        case 'x': return x;\n        case 'y': return y;\n        case 'xy':\n        default: return {x, y};\n        }\n      }\n      if (context != null && context === $this) return;\n      let changed = false;\n\n      let newX, newY;\n      if (name == null) name = 'xy';\n      switch (name.toLowerCase()) {\n      case 'x':\n        newX = (value && ((value.x && value.x | 0) || value | 0)) || 0;\n        break;\n      case 'y':\n        newY = (value && ((value.y && value.y | 0) || value | 0)) || 0;\n        break;\n      case 'xy':\n      default:\n        newX = (value && value.x && value.x | 0) || 0;\n        newY = (value && value.y && value.y | 0) || 0;\n        break;\n      }\n      if (newX != null) {\n        if (newX < minX) newX = minX;\n        else if (newX > maxX) newX = maxX;\n        if (x !== newX) {\n          x = newX;\n          changed = true;\n        }\n      }\n      if (newY != null) {\n        if (newY < minY) newY = minY;\n        else if (newY > maxY) newY = maxY;\n        if (y !== newY) {\n          y = newY;\n          changed = true;\n        }\n      }\n      changed && fireChangeEvents.call($this, context || $this);\n    }\n    function range (name, value) {\n      const set = value !== undefined;\n      if (!set) {\n        if (name === undefined || name == null) name = 'all';\n        switch (name.toLowerCase()) {\n        case 'minx': return minX;\n        case 'maxx': return maxX;\n        case 'rangex': return {minX, maxX, rangeX};\n        case 'miny': return minY;\n        case 'maxy': return maxY;\n        case 'rangey': return {minY, maxY, rangeY};\n        case 'all':\n        default: return {minX, maxX, rangeX, minY, maxY, rangeY};\n        }\n      }\n      let // changed = false,\n        newMinX,\n        newMaxX,\n        newMinY,\n        newMaxY;\n      if (name == null) name = 'all';\n      switch (name.toLowerCase()) {\n      case 'minx':\n        newMinX = (value && ((value.minX && value.minX | 0) || value | 0)) || 0;\n        break;\n      case 'maxx':\n        newMaxX = (value && ((value.maxX && value.maxX | 0) || value | 0)) || 0;\n        break;\n      case 'rangex':\n        newMinX = (value && value.minX && value.minX | 0) || 0;\n        newMaxX = (value && value.maxX && value.maxX | 0) || 0;\n        break;\n      case 'miny':\n        newMinY = (value && ((value.minY && value.minY | 0) || value | 0)) || 0;\n        break;\n      case 'maxy':\n        newMaxY = (value && ((value.maxY && value.maxY | 0) || value | 0)) || 0;\n        break;\n      case 'rangey':\n        newMinY = (value && value.minY && value.minY | 0) || 0;\n        newMaxY = (value && value.maxY && value.maxY | 0) || 0;\n        break;\n      case 'all':\n      default:\n        newMinX = (value && value.minX && value.minX | 0) || 0;\n        newMaxX = (value && value.maxX && value.maxX | 0) || 0;\n        newMinY = (value && value.minY && value.minY | 0) || 0;\n        newMaxY = (value && value.maxY && value.maxY | 0) || 0;\n        break;\n      }\n      if (newMinX != null && minX !== newMinX) {\n        minX = newMinX;\n        rangeX = maxX - minX;\n      }\n      if (newMaxX != null && maxX !== newMaxX) {\n        maxX = newMaxX;\n        rangeX = maxX - minX;\n      }\n      if (newMinY != null && minY !== newMinY) {\n        minY = newMinY;\n        rangeY = maxY - minY;\n      }\n      if (newMaxY != null && maxY !== newMaxY) {\n        maxY = newMaxY;\n        rangeY = maxY - minY;\n      }\n    }\n    function bind (callback) {\n      if (typeof callback === 'function') changeEvents.push(callback);\n    }\n    function unbind (callback) {\n      if (typeof callback !== 'function') return;\n      let i;\n      while ((i = changeEvents.includes(callback))) changeEvents.splice(i, 1);\n    }\n    function destroy () {\n      // unbind all possible events and null objects\n      $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);\n      bar.unbind('mousedown', mouseDown);\n      bar = null;\n      arrow = null;\n      changeEvents = null;\n    }\n    let offset,\n      timeout,\n      x = 0,\n      y = 0,\n      minX = 0,\n      maxX = 100,\n      rangeX = 100,\n      minY = 0,\n      maxY = 100,\n      rangeY = 100,\n      arrow = bar.find('img:first'), // the arrow image to drag\n      changeEvents = [];\n\n    $.extend(true, $this, // public properties, methods, and event bindings - these we need to access from other controls\n      {\n        val,\n        range,\n        bind,\n        unbind,\n        destroy\n      }\n    );\n    // initialize this control\n    arrow.src = options.arrow && options.arrow.image;\n    arrow.w = (options.arrow && options.arrow.width) || arrow.width();\n    arrow.h = (options.arrow && options.arrow.height) || arrow.height();\n    bar.w = (options.map && options.map.width) || bar.width();\n    bar.h = (options.map && options.map.height) || bar.height();\n    // bind mousedown event\n    bar.bind('mousedown', mouseDown);\n    bind.call($this, draw);\n  }\n  // controls for all the input elements for the typing in color values\n  function ColorValuePicker (picker, color, bindedHex, alphaPrecision) {\n    const $this = this; // private properties and methods\n    const inputs = picker.find('td.Text input');\n    // input box key down - use arrows to alter color\n    function keyDown (e) {\n      if (e.target.value === '' && e.target !== hex.get(0) && ((bindedHex != null && e.target !== bindedHex.get(0)) || bindedHex == null)) return;\n      if (!validateKey(e)) return e;\n      switch (e.target) {\n      case red.get(0):\n        switch (e.keyCode) {\n        case 38:\n          red.val(setValueInRange.call($this, (red.val() << 0) + 1, 0, 255));\n          color.val('r', red.val(), e.target);\n          return false;\n        case 40:\n          red.val(setValueInRange.call($this, (red.val() << 0) - 1, 0, 255));\n          color.val('r', red.val(), e.target);\n          return false;\n        }\n        break;\n      case green.get(0):\n        switch (e.keyCode) {\n        case 38:\n          green.val(setValueInRange.call($this, (green.val() << 0) + 1, 0, 255));\n          color.val('g', green.val(), e.target);\n          return false;\n        case 40:\n          green.val(setValueInRange.call($this, (green.val() << 0) - 1, 0, 255));\n          color.val('g', green.val(), e.target);\n          return false;\n        }\n        break;\n      case blue.get(0):\n        switch (e.keyCode) {\n        case 38:\n          blue.val(setValueInRange.call($this, (blue.val() << 0) + 1, 0, 255));\n          color.val('b', blue.val(), e.target);\n          return false;\n        case 40:\n          blue.val(setValueInRange.call($this, (blue.val() << 0) - 1, 0, 255));\n          color.val('b', blue.val(), e.target);\n          return false;\n        }\n        break;\n      case alpha && alpha.get(0):\n        switch (e.keyCode) {\n        case 38:\n          alpha.val(setValueInRange.call($this, parseFloat(alpha.val()) + 1, 0, 100));\n          color.val('a', toFixedNumeric((alpha.val() * 255) / 100, alphaPrecision), e.target);\n          return false;\n        case 40:\n          alpha.val(setValueInRange.call($this, parseFloat(alpha.val()) - 1, 0, 100));\n          color.val('a', toFixedNumeric((alpha.val() * 255) / 100, alphaPrecision), e.target);\n          return false;\n        }\n        break;\n      case hue.get(0):\n        switch (e.keyCode) {\n        case 38:\n          hue.val(setValueInRange.call($this, (hue.val() << 0) + 1, 0, 360));\n          color.val('h', hue.val(), e.target);\n          return false;\n        case 40:\n          hue.val(setValueInRange.call($this, (hue.val() << 0) - 1, 0, 360));\n          color.val('h', hue.val(), e.target);\n          return false;\n        }\n        break;\n      case saturation.get(0):\n        switch (e.keyCode) {\n        case 38:\n          saturation.val(setValueInRange.call($this, (saturation.val() << 0) + 1, 0, 100));\n          color.val('s', saturation.val(), e.target);\n          return false;\n        case 40:\n          saturation.val(setValueInRange.call($this, (saturation.val() << 0) - 1, 0, 100));\n          color.val('s', saturation.val(), e.target);\n          return false;\n        }\n        break;\n      case value.get(0):\n        switch (e.keyCode) {\n        case 38:\n          value.val(setValueInRange.call($this, (value.val() << 0) + 1, 0, 100));\n          color.val('v', value.val(), e.target);\n          return false;\n        case 40:\n          value.val(setValueInRange.call($this, (value.val() << 0) - 1, 0, 100));\n          color.val('v', value.val(), e.target);\n          return false;\n        }\n        break;\n      }\n    }\n    // input box key up - validate value and set color\n    function keyUp (e) {\n      if (e.target.value === '' && e.target !== hex.get(0) &&\n        ((bindedHex != null && e.target !== bindedHex.get(0)) ||\n        bindedHex == null)) return;\n      if (!validateKey(e)) return e;\n      switch (e.target) {\n      case red.get(0):\n        red.val(setValueInRange.call($this, red.val(), 0, 255));\n        color.val('r', red.val(), e.target);\n        break;\n      case green.get(0):\n        green.val(setValueInRange.call($this, green.val(), 0, 255));\n        color.val('g', green.val(), e.target);\n        break;\n      case blue.get(0):\n        blue.val(setValueInRange.call($this, blue.val(), 0, 255));\n        color.val('b', blue.val(), e.target);\n        break;\n      case alpha && alpha.get(0):\n        alpha.val(setValueInRange.call($this, alpha.val(), 0, 100));\n        color.val('a', toFixedNumeric((alpha.val() * 255) / 100, alphaPrecision), e.target);\n        break;\n      case hue.get(0):\n        hue.val(setValueInRange.call($this, hue.val(), 0, 360));\n        color.val('h', hue.val(), e.target);\n        break;\n      case saturation.get(0):\n        saturation.val(setValueInRange.call($this, saturation.val(), 0, 100));\n        color.val('s', saturation.val(), e.target);\n        break;\n      case value.get(0):\n        value.val(setValueInRange.call($this, value.val(), 0, 100));\n        color.val('v', value.val(), e.target);\n        break;\n      case hex.get(0):\n        hex.val(hex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 6));\n        bindedHex && bindedHex.val(hex.val());\n        color.val('hex', hex.val() !== '' ? hex.val() : null, e.target);\n        break;\n      case bindedHex && bindedHex.get(0):\n        bindedHex.val(bindedHex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 6));\n        hex.val(bindedHex.val());\n        color.val('hex', bindedHex.val() !== '' ? bindedHex.val() : null, e.target);\n        break;\n      case ahex && ahex.get(0):\n        ahex.val(ahex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 2));\n        color.val('a', ahex.val() != null ? parseInt(ahex.val(), 16) : null, e.target);\n        break;\n      }\n    }\n    // input box blur - reset to original if value empty\n    function blur (e) {\n      if (color.val() != null) {\n        switch (e.target) {\n        case red.get(0): red.val(color.val('r')); break;\n        case green.get(0): green.val(color.val('g')); break;\n        case blue.get(0): blue.val(color.val('b')); break;\n        case alpha && alpha.get(0): alpha.val(toFixedNumeric((color.val('a') * 100) / 255, alphaPrecision)); break;\n        case hue.get(0): hue.val(color.val('h')); break;\n        case saturation.get(0): saturation.val(color.val('s')); break;\n        case value.get(0): value.val(color.val('v')); break;\n        case hex.get(0):\n        case bindedHex && bindedHex.get(0):\n          hex.val(color.val('hex'));\n          bindedHex && bindedHex.val(color.val('hex'));\n          break;\n        case ahex && ahex.get(0): ahex.val(color.val('ahex').substring(6)); break;\n        }\n      }\n    }\n    function validateKey (e) {\n      switch (e.keyCode) {\n      case 9:\n      case 16:\n      case 29:\n      case 37:\n      case 39:\n        return false;\n      case 'c'.charCodeAt():\n      case 'v'.charCodeAt():\n        if (e.ctrlKey) return false;\n      }\n      return true;\n    }\n    // constrain value within range\n    function setValueInRange (value, min, max) {\n      if (value === '' || isNaN(value)) return min;\n      if (value > max) return max;\n      if (value < min) return min;\n      return value;\n    }\n    function colorChanged (ui, context) {\n      const all = ui.val('all');\n      if (context !== red.get(0)) red.val(all != null ? all.r : '');\n      if (context !== green.get(0)) green.val(all != null ? all.g : '');\n      if (context !== blue.get(0)) blue.val(all != null ? all.b : '');\n      if (alpha && context !== alpha.get(0)) alpha.val(all != null ? toFixedNumeric((all.a * 100) / 255, alphaPrecision) : '');\n      if (context !== hue.get(0)) hue.val(all != null ? all.h : '');\n      if (context !== saturation.get(0)) saturation.val(all != null ? all.s : '');\n      if (context !== value.get(0)) value.val(all != null ? all.v : '');\n      if (context !== hex.get(0) && ((bindedHex && context !== bindedHex.get(0)) || !bindedHex)) hex.val(all != null ? all.hex : '');\n      if (bindedHex && context !== bindedHex.get(0) && context !== hex.get(0)) bindedHex.val(all != null ? all.hex : '');\n      if (ahex && context !== ahex.get(0)) ahex.val(all != null ? all.ahex.substring(6) : '');\n    }\n    function destroy () {\n      // unbind all events and null objects\n      red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).add(hex).add(bindedHex).add(ahex).unbind('keyup', keyUp).unbind('blur', blur);\n      red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).unbind('keydown', keyDown);\n      color.unbind(colorChanged);\n      red = null;\n      green = null;\n      blue = null;\n      alpha = null;\n      hue = null;\n      saturation = null;\n      value = null;\n      hex = null;\n      ahex = null;\n    }\n    let\n      red = inputs.eq(3),\n      green = inputs.eq(4),\n      blue = inputs.eq(5),\n      alpha = inputs.length > 7 ? inputs.eq(6) : null,\n      hue = inputs.eq(0),\n      saturation = inputs.eq(1),\n      value = inputs.eq(2),\n      hex = inputs.eq(inputs.length > 7 ? 7 : 6),\n      ahex = inputs.length > 7 ? inputs.eq(8) : null;\n    $.extend(true, $this, {\n      // public properties and methods\n      destroy\n    });\n    red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).add(hex).add(bindedHex).add(ahex).bind('keyup', keyUp).bind('blur', blur);\n    red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).bind('keydown', keyDown);\n    color.bind(colorChanged);\n  }\n\n  /**\n  * @typedef {PlainObject} module:jPicker.JPickerInit\n  * @property {Integer} a\n  * @property {Integer} b\n  * @property {Integer} g\n  * @property {Integer} h\n  * @property {Integer} r\n  * @property {Integer} s\n  * @property {Integer} v\n  * @property {string} hex\n  * @property {string} ahex\n  */\n\n  /**\n  * @namespace {PlainObject} jPicker\n  * @memberof external:jQuery\n  */\n  $.jPicker = /** @lends external:jQuery.jPicker */ {\n    /**\n    * Array holding references to each active instance of the jPicker control\n    * @type {external:jQuery.fn.$.fn.jPicker[]}\n    */\n    List: [],\n    /**\n    * Color object - we will be able to assign by any color space type or\n    * retrieve any color space info.\n    * We want this public so we can optionally assign new color objects to\n    * initial values using inputs other than a string hex value (also supported)\n    * Note: JSDoc didn't document when expressed here as an ES6 Class.\n    * @namespace\n    * @class\n    * @memberof external:jQuery.jPicker\n    * @param {module:jPicker.JPickerInit} init\n    */\n    Color: function (init) {\n      const $this = this;\n      function fireChangeEvents (context) {\n        for (let i = 0; i < changeEvents.length; i++) changeEvents[i].call($this, $this, context);\n      }\n      function val (name, value, context) {\n        // Kind of ugly\n        const set = Boolean(value);\n        if (set && value.ahex === '') value.ahex = '00000000';\n        if (!set) {\n          if (name === undefined || name == null || name === '') name = 'all';\n          if (r == null) return null;\n          switch (name.toLowerCase()) {\n          case 'ahex': return ColorMethods.rgbaToHex({r, g, b, a});\n          case 'hex': return val('ahex').substring(0, 6);\n          case 'all': return {r, g, b, a, h, s, v, hex: val.call($this, 'hex'), ahex: val.call($this, 'ahex')};\n          default:\n            let ret = {};\n            for (let i = 0; i < name.length; i++) {\n              switch (name.charAt(i)) {\n              case 'r':\n                if (name.length === 1) ret = r;\n                else ret.r = r;\n                break;\n              case 'g':\n                if (name.length === 1) ret = g;\n                else ret.g = g;\n                break;\n              case 'b':\n                if (name.length === 1) ret = b;\n                else ret.b = b;\n                break;\n              case 'a':\n                if (name.length === 1) ret = a;\n                else ret.a = a;\n                break;\n              case 'h':\n                if (name.length === 1) ret = h;\n                else ret.h = h;\n                break;\n              case 's':\n                if (name.length === 1) ret = s;\n                else ret.s = s;\n                break;\n              case 'v':\n                if (name.length === 1) ret = v;\n                else ret.v = v;\n                break;\n              }\n            }\n            return !name.length ? val.call($this, 'all') : ret;\n          }\n        }\n        if (context != null && context === $this) return;\n        if (name == null) name = '';\n\n        let changed = false;\n        if (value == null) {\n          if (r != null) {\n            r = null;\n            changed = true;\n          }\n          if (g != null) {\n            g = null;\n            changed = true;\n          }\n          if (b != null) {\n            b = null;\n            changed = true;\n          }\n          if (a != null) {\n            a = null;\n            changed = true;\n          }\n          if (h != null) {\n            h = null;\n            changed = true;\n          }\n          if (s != null) {\n            s = null;\n            changed = true;\n          }\n          if (v != null) {\n            v = null;\n            changed = true;\n          }\n          changed && fireChangeEvents.call($this, context || $this);\n          return;\n        }\n        switch (name.toLowerCase()) {\n        case 'ahex':\n        case 'hex':\n          const ret = ColorMethods.hexToRgba((value && (value.ahex || value.hex)) || value || 'none');\n          val.call($this, 'rgba', {r: ret.r, g: ret.g, b: ret.b, a: name === 'ahex' ? ret.a : a != null ? a : 255}, context);\n          break;\n        default:\n          if (value && (value.ahex != null || value.hex != null)) {\n            val.call($this, 'ahex', value.ahex || value.hex || '00000000', context);\n            return;\n          }\n          const newV = {};\n          let rgb = false, hsv = false;\n          if (value.r !== undefined && !name.includes('r')) name += 'r';\n          if (value.g !== undefined && !name.includes('g')) name += 'g';\n          if (value.b !== undefined && !name.includes('b')) name += 'b';\n          if (value.a !== undefined && !name.includes('a')) name += 'a';\n          if (value.h !== undefined && !name.includes('h')) name += 'h';\n          if (value.s !== undefined && !name.includes('s')) name += 's';\n          if (value.v !== undefined && !name.includes('v')) name += 'v';\n          for (let i = 0; i < name.length; i++) {\n            switch (name.charAt(i)) {\n            case 'r':\n              if (hsv) continue;\n              rgb = true;\n              newV.r = (value.r && value.r | 0) || (value | 0) || 0;\n              if (newV.r < 0) newV.r = 0;\n              else if (newV.r > 255) newV.r = 255;\n              if (r !== newV.r) {\n                ({r} = newV);\n                changed = true;\n              }\n              break;\n            case 'g':\n              if (hsv) continue;\n              rgb = true;\n              newV.g = (value && value.g && value.g | 0) || (value && value | 0) || 0;\n              if (newV.g < 0) newV.g = 0;\n              else if (newV.g > 255) newV.g = 255;\n              if (g !== newV.g) {\n                ({g} = newV);\n                changed = true;\n              }\n              break;\n            case 'b':\n              if (hsv) continue;\n              rgb = true;\n              newV.b = (value && value.b && value.b | 0) || (value && value | 0) || 0;\n              if (newV.b < 0) newV.b = 0;\n              else if (newV.b > 255) newV.b = 255;\n              if (b !== newV.b) {\n                ({b} = newV);\n                changed = true;\n              }\n              break;\n            case 'a':\n              newV.a = value && value.a != null ? value.a | 0 : value | 0;\n              if (newV.a < 0) newV.a = 0;\n              else if (newV.a > 255) newV.a = 255;\n              if (a !== newV.a) {\n                ({a} = newV);\n                changed = true;\n              }\n              break;\n            case 'h':\n              if (rgb) continue;\n              hsv = true;\n              newV.h = (value && value.h && value.h | 0) || (value && value | 0) || 0;\n              if (newV.h < 0) newV.h = 0;\n              else if (newV.h > 360) newV.h = 360;\n              if (h !== newV.h) {\n                ({h} = newV);\n                changed = true;\n              }\n              break;\n            case 's':\n              if (rgb) continue;\n              hsv = true;\n              newV.s = value.s != null ? value.s | 0 : value | 0;\n              if (newV.s < 0) newV.s = 0;\n              else if (newV.s > 100) newV.s = 100;\n              if (s !== newV.s) {\n                ({s} = newV);\n                changed = true;\n              }\n              break;\n            case 'v':\n              if (rgb) continue;\n              hsv = true;\n              newV.v = value.v != null ? value.v | 0 : value | 0;\n              if (newV.v < 0) newV.v = 0;\n              else if (newV.v > 100) newV.v = 100;\n              if (v !== newV.v) {\n                ({v} = newV);\n                changed = true;\n              }\n              break;\n            }\n          }\n          if (changed) {\n            if (rgb) {\n              r = r || 0;\n              g = g || 0;\n              b = b || 0;\n              const ret = ColorMethods.rgbToHsv({r, g, b});\n              ({h, s, v} = ret);\n            } else if (hsv) {\n              h = h || 0;\n              s = s != null ? s : 100;\n              v = v != null ? v : 100;\n              const ret = ColorMethods.hsvToRgb({h, s, v});\n              ({r, g, b} = ret);\n            }\n            a = a != null ? a : 255;\n            fireChangeEvents.call($this, context || $this);\n          }\n          break;\n        }\n      }\n      function bind (callback) {\n        if (typeof callback === 'function') changeEvents.push(callback);\n      }\n      function unbind (callback) {\n        if (typeof callback !== 'function') return;\n        let i;\n        while ((i = changeEvents.includes(callback))) {\n          changeEvents.splice(i, 1);\n        }\n      }\n      function destroy () {\n        changeEvents = null;\n      }\n      let r, g, b, a, h, s, v, changeEvents = [];\n\n      $.extend(true, $this, {\n        // public properties and methods\n        val,\n        bind,\n        unbind,\n        destroy\n      });\n      if (init) {\n        if (init.ahex != null) {\n          val('ahex', init);\n        } else if (init.hex != null) {\n          val(\n            (init.a != null ? 'a' : '') + 'hex',\n            init.a != null\n              ? {ahex: init.hex + ColorMethods.intToHex(init.a)}\n              : init\n          );\n        } else if (init.r != null && init.g != null && init.b != null) {\n          val('rgb' + (init.a != null ? 'a' : ''), init);\n        } else if (init.h != null && init.s != null && init.v != null) {\n          val('hsv' + (init.a != null ? 'a' : ''), init);\n        }\n      }\n    },\n    /**\n    * color conversion methods  - make public to give use to external scripts\n    * @namespace\n    */\n    ColorMethods: {\n      /**\n      * @typedef {PlainObject} module:jPicker.RGBA\n      * @property {Integer} r\n      * @property {Integer} g\n      * @property {Integer} b\n      * @property {Integer} a\n      */\n      /**\n      * @typedef {PlainObject} module:jPicker.RGB\n      * @property {Integer} r\n      * @property {Integer} g\n      * @property {Integer} b\n      */\n      /**\n      * @param {string} hex\n      * @returns {module:jPicker.RGBA}\n      */\n      hexToRgba (hex) {\n        if (hex === '' || hex === 'none') return {r: null, g: null, b: null, a: null};\n        hex = this.validateHex(hex);\n        let r = '00', g = '00', b = '00', a = '255';\n        if (hex.length === 6) hex += 'ff';\n        if (hex.length > 6) {\n          r = hex.substring(0, 2);\n          g = hex.substring(2, 4);\n          b = hex.substring(4, 6);\n          a = hex.substring(6, hex.length);\n        } else {\n          if (hex.length > 4) {\n            r = hex.substring(4, hex.length);\n            hex = hex.substring(0, 4);\n          }\n          if (hex.length > 2) {\n            g = hex.substring(2, hex.length);\n            hex = hex.substring(0, 2);\n          }\n          if (hex.length > 0) b = hex.substring(0, hex.length);\n        }\n        return {\n          r: this.hexToInt(r), g: this.hexToInt(g), b: this.hexToInt(b), a: this.hexToInt(a)\n        };\n      },\n      /**\n      * @param {string} hex\n      * @returns {string}\n      */\n      validateHex (hex) {\n        // if (typeof hex === 'object') return '';\n        hex = hex.toLowerCase().replace(/[^a-f0-9]/g, '');\n        if (hex.length > 8) hex = hex.substring(0, 8);\n        return hex;\n      },\n      /**\n      * @param {module:jPicker.RGBA} rgba\n      * @returns {string}\n      */\n      rgbaToHex (rgba) {\n        return this.intToHex(rgba.r) + this.intToHex(rgba.g) + this.intToHex(rgba.b) + this.intToHex(rgba.a);\n      },\n      /**\n      * @param {Integer} dec\n      * @returns {string}\n      */\n      intToHex (dec) {\n        let result = (dec | 0).toString(16);\n        if (result.length === 1) result = ('0' + result);\n        return result.toLowerCase();\n      },\n      /**\n      * @param {string} hex\n      * @returns {Integer}\n      */\n      hexToInt (hex) {\n        return parseInt(hex, 16);\n      },\n      /**\n      * @typedef {PlainObject} module:jPicker.HSV\n      * @property {Integer} h\n      * @property {Integer} s\n      * @property {Integer} v\n      */\n      /**\n      * @param {module:jPicker.RGB} rgb\n      * @returns {module:jPicker.HSV}\n      */\n      rgbToHsv (rgb) {\n        const r = rgb.r / 255, g = rgb.g / 255, b = rgb.b / 255, hsv = {h: 0, s: 0, v: 0};\n        let min = 0, max = 0;\n        if (r >= g && r >= b) {\n          max = r;\n          min = g > b ? b : g;\n        } else if (g >= b && g >= r) {\n          max = g;\n          min = r > b ? b : r;\n        } else {\n          max = b;\n          min = g > r ? r : g;\n        }\n        hsv.v = max;\n        hsv.s = max ? (max - min) / max : 0;\n        let delta;\n        if (!hsv.s) hsv.h = 0;\n        else {\n          delta = max - min;\n          if (r === max) hsv.h = (g - b) / delta;\n          else if (g === max) hsv.h = 2 + (b - r) / delta;\n          else hsv.h = 4 + (r - g) / delta;\n          hsv.h = parseInt(hsv.h * 60);\n          if (hsv.h < 0) hsv.h += 360;\n        }\n        hsv.s = (hsv.s * 100) | 0;\n        hsv.v = (hsv.v * 100) | 0;\n        return hsv;\n      },\n      /**\n      * @param {module:jPicker.HSV} hsv\n      * @returns {module:jPicker.RGB}\n      */\n      hsvToRgb (hsv) {\n        const rgb = {r: 0, g: 0, b: 0, a: 100};\n        let {h, s, v} = hsv;\n        if (s === 0) {\n          if (v === 0) rgb.r = rgb.g = rgb.b = 0;\n          else rgb.r = rgb.g = rgb.b = (v * 255 / 100) | 0;\n        } else {\n          if (h === 360) h = 0;\n          h /= 60;\n          s = s / 100;\n          v = v / 100;\n          const i = h | 0,\n            f = h - i,\n            p = v * (1 - s),\n            q = v * (1 - (s * f)),\n            t = v * (1 - (s * (1 - f)));\n          switch (i) {\n          case 0:\n            rgb.r = v;\n            rgb.g = t;\n            rgb.b = p;\n            break;\n          case 1:\n            rgb.r = q;\n            rgb.g = v;\n            rgb.b = p;\n            break;\n          case 2:\n            rgb.r = p;\n            rgb.g = v;\n            rgb.b = t;\n            break;\n          case 3:\n            rgb.r = p;\n            rgb.g = q;\n            rgb.b = v;\n            break;\n          case 4:\n            rgb.r = t;\n            rgb.g = p;\n            rgb.b = v;\n            break;\n          case 5:\n            rgb.r = v;\n            rgb.g = p;\n            rgb.b = q;\n            break;\n          }\n          rgb.r = (rgb.r * 255) | 0;\n          rgb.g = (rgb.g * 255) | 0;\n          rgb.b = (rgb.b * 255) | 0;\n        }\n        return rgb;\n      }\n    }\n  };\n  const {Color, List, ColorMethods} = $.jPicker; // local copies for YUI compressor\n  /**\n   * @function external:jQuery.fn.jPicker\n   * @see {@link external:jQuery.fn.$.fn.jPicker}\n   */\n  /**\n  * While it would seem this should specify the name `jPicker` for JSDoc, that doesn't\n  *   get us treated as a function as well as a namespace (even with `@function name`),\n  *   so we use an approach to add a redundant `$.fn.` in the name.\n  * @namespace\n  * @memberof external:jQuery.fn\n  * @param {external:jQuery.fn.jPickerOptions} options\n  * @returns {external:jQuery}\n  */\n  $.fn.jPicker = function (options) {\n    const $arguments = arguments;\n    return this.each(function () {\n      const $this = this, settings = $.extend(true, {}, $.fn.jPicker.defaults, options); // local copies for YUI compressor\n      if ($($this).get(0).nodeName.toLowerCase() === 'input') { // Add color picker icon if binding to an input element and bind the events to the input\n        $.extend(true, settings, {\n          window: {\n            bindToInput: true,\n            expandable: true,\n            input: $($this)\n          }\n        });\n        if ($($this).val() === '') {\n          settings.color.active = new Color({hex: null});\n          settings.color.current = new Color({hex: null});\n        } else if (ColorMethods.validateHex($($this).val())) {\n          settings.color.active = new Color({hex: $($this).val(), a: settings.color.active.val('a')});\n          settings.color.current = new Color({hex: $($this).val(), a: settings.color.active.val('a')});\n        }\n      }\n      if (settings.window.expandable) {\n        $($this).after('<span class=\"jPicker\"><span class=\"Icon\"><span class=\"Color\">&nbsp;</span><span class=\"Alpha\">&nbsp;</span><span class=\"Image\" title=\"Click To Open Color Picker\">&nbsp;</span><span class=\"Container\">&nbsp;</span></span></span>');\n      } else {\n        settings.window.liveUpdate = false; // Basic control binding for inline use - You will need to override the liveCallback or commitCallback function to retrieve results\n      }\n      const isLessThanIE7 = parseFloat(navigator.appVersion.split('MSIE')[1]) < 7 && document.body.filters; // needed to run the AlphaImageLoader function for IE6\n      // set color mode and update visuals for the new color mode\n      /**\n       *\n       * @param {\"h\"|\"s\"|\"v\"|\"r\"|\"g\"|\"b\"|\"a\"} colorMode [description]\n       * @throws {Error} Invalid mode\n       */\n      function setColorMode (colorMode) {\n        const {active} = color, // local copies for YUI compressor\n          // {clientPath} = images,\n          hex = active.val('hex');\n        let rgbMap, rgbBar;\n        settings.color.mode = colorMode;\n        switch (colorMode) {\n        case 'h':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, 'transparent');\n            setImgLoc.call($this, colorMapL1, 0);\n            setAlpha.call($this, colorMapL1, 100);\n            setImgLoc.call($this, colorMapL2, 260);\n            setAlpha.call($this, colorMapL2, 100);\n            setBG.call($this, colorBarDiv, 'transparent');\n            setImgLoc.call($this, colorBarL1, 0);\n            setAlpha.call($this, colorBarL1, 100);\n            setImgLoc.call($this, colorBarL2, 260);\n            setAlpha.call($this, colorBarL2, 100);\n            setImgLoc.call($this, colorBarL3, 260);\n            setAlpha.call($this, colorBarL3, 100);\n            setImgLoc.call($this, colorBarL4, 260);\n            setAlpha.call($this, colorBarL4, 100);\n            setImgLoc.call($this, colorBarL6, 260);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          colorMap.range('all', {minX: 0, maxX: 100, minY: 0, maxY: 100});\n          colorBar.range('rangeY', {minY: 0, maxY: 360});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('s'), y: 100 - active.val('v')}, colorMap);\n          colorBar.val('y', 360 - active.val('h'), colorBar);\n          break;\n        case 's':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, 'transparent');\n            setImgLoc.call($this, colorMapL1, -260);\n            setImgLoc.call($this, colorMapL2, -520);\n            setImgLoc.call($this, colorBarL1, -260);\n            setImgLoc.call($this, colorBarL2, -520);\n            setImgLoc.call($this, colorBarL6, 260);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          colorMap.range('all', {minX: 0, maxX: 360, minY: 0, maxY: 100});\n          colorBar.range('rangeY', {minY: 0, maxY: 100});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('h'), y: 100 - active.val('v')}, colorMap);\n          colorBar.val('y', 100 - active.val('s'), colorBar);\n          break;\n        case 'v':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, '000000');\n            setImgLoc.call($this, colorMapL1, -780);\n            setImgLoc.call($this, colorMapL2, 260);\n            setBG.call($this, colorBarDiv, hex);\n            setImgLoc.call($this, colorBarL1, -520);\n            setImgLoc.call($this, colorBarL2, 260);\n            setAlpha.call($this, colorBarL2, 100);\n            setImgLoc.call($this, colorBarL6, 260);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          colorMap.range('all', {minX: 0, maxX: 360, minY: 0, maxY: 100});\n          colorBar.range('rangeY', {minY: 0, maxY: 100});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('h'), y: 100 - active.val('s')}, colorMap);\n          colorBar.val('y', 100 - active.val('v'), colorBar);\n          break;\n        case 'r':\n          rgbMap = -1040;\n          rgbBar = -780;\n          colorMap.range('all', {minX: 0, maxX: 255, minY: 0, maxY: 255});\n          colorBar.range('rangeY', {minY: 0, maxY: 255});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('b'), y: 255 - active.val('g')}, colorMap);\n          colorBar.val('y', 255 - active.val('r'), colorBar);\n          break;\n        case 'g':\n          rgbMap = -1560;\n          rgbBar = -1820;\n          colorMap.range('all', {minX: 0, maxX: 255, minY: 0, maxY: 255});\n          colorBar.range('rangeY', {minY: 0, maxY: 255});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('b'), y: 255 - active.val('r')}, colorMap);\n          colorBar.val('y', 255 - active.val('g'), colorBar);\n          break;\n        case 'b':\n          rgbMap = -2080;\n          rgbBar = -2860;\n          colorMap.range('all', {minX: 0, maxX: 255, minY: 0, maxY: 255});\n          colorBar.range('rangeY', {minY: 0, maxY: 255});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('r'), y: 255 - active.val('g')}, colorMap);\n          colorBar.val('y', 255 - active.val('b'), colorBar);\n          break;\n        case 'a':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, 'transparent');\n            setImgLoc.call($this, colorMapL1, -260);\n            setImgLoc.call($this, colorMapL2, -520);\n            setImgLoc.call($this, colorBarL1, 260);\n            setImgLoc.call($this, colorBarL2, 260);\n            setAlpha.call($this, colorBarL2, 100);\n            setImgLoc.call($this, colorBarL6, 0);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          colorMap.range('all', {minX: 0, maxX: 360, minY: 0, maxY: 100});\n          colorBar.range('rangeY', {minY: 0, maxY: 255});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('h'), y: 100 - active.val('v')}, colorMap);\n          colorBar.val('y', 255 - active.val('a'), colorBar);\n          break;\n        default:\n          throw new Error('Invalid Mode');\n        }\n        switch (colorMode) {\n        case 'h':\n          break;\n        case 's':\n        case 'v':\n        case 'a':\n          setTimeout(function () {\n            setAlpha.call($this, colorMapL1, 100);\n            setAlpha.call($this, colorBarL1, 100);\n            setImgLoc.call($this, colorBarL3, 260);\n            setAlpha.call($this, colorBarL3, 100);\n            setImgLoc.call($this, colorBarL4, 260);\n            setAlpha.call($this, colorBarL4, 100);\n          }, 0);\n          break;\n        case 'r':\n        case 'g':\n        case 'b':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, 'transparent');\n            setBG.call($this, colorBarDiv, 'transparent');\n            setAlpha.call($this, colorBarL1, 100);\n            setAlpha.call($this, colorMapL1, 100);\n            setImgLoc.call($this, colorMapL1, rgbMap);\n            setImgLoc.call($this, colorMapL2, rgbMap - 260);\n            setImgLoc.call($this, colorBarL1, rgbBar - 780);\n            setImgLoc.call($this, colorBarL2, rgbBar - 520);\n            setImgLoc.call($this, colorBarL3, rgbBar);\n            setImgLoc.call($this, colorBarL4, rgbBar - 260);\n            setImgLoc.call($this, colorBarL6, 260);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          break;\n        }\n        if (active.val('ahex') == null) return;\n        activeColorChanged.call($this, active);\n      }\n      // Update color when user changes text values\n      function activeColorChanged (ui, context) {\n        if (context == null || (context !== colorBar && context !== colorMap)) positionMapAndBarArrows.call($this, ui, context);\n        setTimeout(function () {\n          updatePreview.call($this, ui);\n          updateMapVisuals.call($this, ui);\n          updateBarVisuals.call($this, ui);\n        }, 0);\n      }\n      // user has dragged the ColorMap pointer\n      function mapValueChanged (ui, context) {\n        const {active} = color;\n        if (context !== colorMap && active.val() == null) return;\n        const xy = ui.val('all');\n        switch (settings.color.mode) {\n        case 'h':\n          active.val('sv', {s: xy.x, v: 100 - xy.y}, context);\n          break;\n        case 's':\n        case 'a':\n          active.val('hv', {h: xy.x, v: 100 - xy.y}, context);\n          break;\n        case 'v':\n          active.val('hs', {h: xy.x, s: 100 - xy.y}, context);\n          break;\n        case 'r':\n          active.val('gb', {g: 255 - xy.y, b: xy.x}, context);\n          break;\n        case 'g':\n          active.val('rb', {r: 255 - xy.y, b: xy.x}, context);\n          break;\n        case 'b':\n          active.val('rg', {r: xy.x, g: 255 - xy.y}, context);\n          break;\n        }\n      }\n      // user has dragged the ColorBar slider\n      function colorBarValueChanged (ui, context) {\n        const {active} = color;\n        if (context !== colorBar && active.val() == null) return;\n        switch (settings.color.mode) {\n        case 'h':\n          active.val('h', {h: 360 - ui.val('y')}, context);\n          break;\n        case 's':\n          active.val('s', {s: 100 - ui.val('y')}, context);\n          break;\n        case 'v':\n          active.val('v', {v: 100 - ui.val('y')}, context);\n          break;\n        case 'r':\n          active.val('r', {r: 255 - ui.val('y')}, context);\n          break;\n        case 'g':\n          active.val('g', {g: 255 - ui.val('y')}, context);\n          break;\n        case 'b':\n          active.val('b', {b: 255 - ui.val('y')}, context);\n          break;\n        case 'a':\n          active.val('a', 255 - ui.val('y'), context);\n          break;\n        }\n      }\n      // position map and bar arrows to match current color\n      function positionMapAndBarArrows (ui, context) {\n        if (context !== colorMap) {\n          switch (settings.color.mode) {\n          case 'h':\n            const sv = ui.val('sv');\n            colorMap.val('xy', {x: sv != null ? sv.s : 100, y: 100 - (sv != null ? sv.v : 100)}, context);\n            break;\n          case 's':\n          case 'a':\n            const hv = ui.val('hv');\n            colorMap.val('xy', {x: (hv && hv.h) || 0, y: 100 - (hv != null ? hv.v : 100)}, context);\n            break;\n          case 'v':\n            const hs = ui.val('hs');\n            colorMap.val('xy', {x: (hs && hs.h) || 0, y: 100 - (hs != null ? hs.s : 100)}, context);\n            break;\n          case 'r':\n            const bg = ui.val('bg');\n            colorMap.val('xy', {x: (bg && bg.b) || 0, y: 255 - ((bg && bg.g) || 0)}, context);\n            break;\n          case 'g':\n            const br = ui.val('br');\n            colorMap.val('xy', {x: (br && br.b) || 0, y: 255 - ((br && br.r) || 0)}, context);\n            break;\n          case 'b':\n            const rg = ui.val('rg');\n            colorMap.val('xy', {x: (rg && rg.r) || 0, y: 255 - ((rg && rg.g) || 0)}, context);\n            break;\n          }\n        }\n        if (context !== colorBar) {\n          switch (settings.color.mode) {\n          case 'h':\n            colorBar.val('y', 360 - (ui.val('h') || 0), context);\n            break;\n          case 's':\n            const s = ui.val('s');\n            colorBar.val('y', 100 - (s != null ? s : 100), context);\n            break;\n          case 'v':\n            const v = ui.val('v');\n            colorBar.val('y', 100 - (v != null ? v : 100), context);\n            break;\n          case 'r':\n            colorBar.val('y', 255 - (ui.val('r') || 0), context);\n            break;\n          case 'g':\n            colorBar.val('y', 255 - (ui.val('g') || 0), context);\n            break;\n          case 'b':\n            colorBar.val('y', 255 - (ui.val('b') || 0), context);\n            break;\n          case 'a':\n            const a = ui.val('a');\n            colorBar.val('y', 255 - (a != null ? a : 255), context);\n            break;\n          }\n        }\n      }\n      function updatePreview (ui) {\n        try {\n          const all = ui.val('all');\n          activePreview.css({backgroundColor: (all && '#' + all.hex) || 'transparent'});\n          setAlpha.call($this, activePreview, (all && toFixedNumeric((all.a * 100) / 255, 4)) || 0);\n        } catch (e) { }\n      }\n      function updateMapVisuals (ui) {\n        switch (settings.color.mode) {\n        case 'h':\n          setBG.call($this, colorMapDiv, new Color({h: ui.val('h') || 0, s: 100, v: 100}).val('hex'));\n          break;\n        case 's':\n        case 'a':\n          const s = ui.val('s');\n          setAlpha.call($this, colorMapL2, 100 - (s != null ? s : 100));\n          break;\n        case 'v':\n          const v = ui.val('v');\n          setAlpha.call($this, colorMapL1, v != null ? v : 100);\n          break;\n        case 'r':\n          setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('r') || 0) / 255 * 100, 4));\n          break;\n        case 'g':\n          setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('g') || 0) / 255 * 100, 4));\n          break;\n        case 'b':\n          setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('b') || 0) / 255 * 100));\n          break;\n        }\n        const a = ui.val('a');\n        setAlpha.call($this, colorMapL3, toFixedNumeric(((255 - (a || 0)) * 100) / 255, 4));\n      }\n      function updateBarVisuals (ui) {\n        switch (settings.color.mode) {\n        case 'h':\n          const a = ui.val('a');\n          setAlpha.call($this, colorBarL5, toFixedNumeric(((255 - (a || 0)) * 100) / 255, 4));\n          break;\n        case 's':\n          const hva = ui.val('hva'),\n            saturatedColor = new Color({h: (hva && hva.h) || 0, s: 100, v: hva != null ? hva.v : 100});\n          setBG.call($this, colorBarDiv, saturatedColor.val('hex'));\n          setAlpha.call($this, colorBarL2, 100 - (hva != null ? hva.v : 100));\n          setAlpha.call($this, colorBarL5, toFixedNumeric(((255 - ((hva && hva.a) || 0)) * 100) / 255, 4));\n          break;\n        case 'v':\n          const hsa = ui.val('hsa'),\n            valueColor = new Color({h: (hsa && hsa.h) || 0, s: hsa != null ? hsa.s : 100, v: 100});\n          setBG.call($this, colorBarDiv, valueColor.val('hex'));\n          setAlpha.call($this, colorBarL5, toFixedNumeric(((255 - ((hsa && hsa.a) || 0)) * 100) / 255, 4));\n          break;\n        case 'r':\n        case 'g':\n        case 'b':\n          const rgba = ui.val('rgba');\n          let hValue = 0, vValue = 0;\n          if (settings.color.mode === 'r') {\n            hValue = (rgba && rgba.b) || 0;\n            vValue = (rgba && rgba.g) || 0;\n          } else if (settings.color.mode === 'g') {\n            hValue = (rgba && rgba.b) || 0;\n            vValue = (rgba && rgba.r) || 0;\n          } else if (settings.color.mode === 'b') {\n            hValue = (rgba && rgba.r) || 0;\n            vValue = (rgba && rgba.g) || 0;\n          }\n          const middle = vValue > hValue ? hValue : vValue;\n          setAlpha.call($this, colorBarL2, hValue > vValue ? toFixedNumeric(((hValue - vValue) / (255 - vValue)) * 100, 4) : 0);\n          setAlpha.call($this, colorBarL3, vValue > hValue ? toFixedNumeric(((vValue - hValue) / (255 - hValue)) * 100, 4) : 0);\n          setAlpha.call($this, colorBarL4, toFixedNumeric((middle / 255) * 100, 4));\n          setAlpha.call($this, colorBarL5, toFixedNumeric(((255 - ((rgba && rgba.a) || 0)) * 100) / 255, 4));\n          break;\n        case 'a': {\n          const a = ui.val('a');\n          setBG.call($this, colorBarDiv, ui.val('hex') || '000000');\n          setAlpha.call($this, colorBarL5, a != null ? 0 : 100);\n          setAlpha.call($this, colorBarL6, a != null ? 100 : 0);\n          break;\n        }\n        }\n      }\n      function setBG (el, c) {\n        el.css({backgroundColor: (c && c.length === 6 && '#' + c) || 'transparent'});\n      }\n      function setImg (img, src) {\n        if (isLessThanIE7 && (src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png'))) {\n          img.attr('pngSrc', src);\n          img.css({backgroundImage: 'none', filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\\'' + src + '\\', sizingMethod=\\'scale\\')'});\n        } else img.css({backgroundImage: 'url(\\'' + src + '\\')'});\n      }\n      function setImgLoc (img, y) {\n        img.css({top: y + 'px'});\n      }\n      function setAlpha (obj, alpha) {\n        obj.css({visibility: alpha > 0 ? 'visible' : 'hidden'});\n        if (alpha > 0 && alpha < 100) {\n          if (isLessThanIE7) {\n            const src = obj.attr('pngSrc');\n            if (src != null && (\n              src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png')\n            )) {\n              obj.css({filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\\'' + src + '\\', sizingMethod=\\'scale\\') progid:DXImageTransform.Microsoft.Alpha(opacity=' + alpha + ')'});\n            } else obj.css({opacity: toFixedNumeric(alpha / 100, 4)});\n          } else obj.css({opacity: toFixedNumeric(alpha / 100, 4)});\n        } else if (alpha === 0 || alpha === 100) {\n          if (isLessThanIE7) {\n            const src = obj.attr('pngSrc');\n            if (src != null && (\n              src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png')\n            )) {\n              obj.css({filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\\'' + src + '\\', sizingMethod=\\'scale\\')'});\n            } else obj.css({opacity: ''});\n          } else obj.css({opacity: ''});\n        }\n      }\n      // revert color to original color when opened\n      function revertColor () {\n        color.active.val('ahex', color.current.val('ahex'));\n      }\n      // commit the color changes\n      function commitColor () {\n        color.current.val('ahex', color.active.val('ahex'));\n      }\n      function radioClicked (e) {\n        $(this).parents('tbody:first').find('input:radio[value!=\"' + e.target.value + '\"]').removeAttr('checked');\n        setColorMode.call($this, e.target.value);\n      }\n      function currentClicked () {\n        revertColor.call($this);\n      }\n      function cancelClicked () {\n        revertColor.call($this);\n        settings.window.expandable && hide.call($this);\n        typeof cancelCallback === 'function' && cancelCallback.call($this, color.active, cancelButton);\n      }\n      function okClicked () {\n        commitColor.call($this);\n        settings.window.expandable && hide.call($this);\n        typeof commitCallback === 'function' && commitCallback.call($this, color.active, okButton);\n      }\n      function iconImageClicked () {\n        show.call($this);\n      }\n      function currentColorChanged (ui, context) {\n        const hex = ui.val('hex');\n        currentPreview.css({backgroundColor: (hex && '#' + hex) || 'transparent'});\n        setAlpha.call($this, currentPreview, toFixedNumeric(((ui.val('a') || 0) * 100) / 255, 4));\n      }\n      function expandableColorChanged (ui, context) {\n        const hex = ui.val('hex');\n        const va = ui.val('va');\n        iconColor.css({backgroundColor: (hex && '#' + hex) || 'transparent'});\n        setAlpha.call($this, iconAlpha, toFixedNumeric(((255 - ((va && va.a) || 0)) * 100) / 255, 4));\n        if (settings.window.bindToInput && settings.window.updateInputColor) {\n          settings.window.input.css({\n            backgroundColor: (hex && '#' + hex) || 'transparent',\n            color: va == null || va.v > 75 ? '#000000' : '#ffffff'\n          });\n        }\n      }\n      function moveBarMouseDown (e) {\n        // const {element} = settings.window, // local copies for YUI compressor\n        //     {page} = settings.window;\n        elementStartX = parseInt(container.css('left'));\n        elementStartY = parseInt(container.css('top'));\n        pageStartX = e.pageX;\n        pageStartY = e.pageY;\n        // bind events to document to move window - we will unbind these on mouseup\n        $(document).bind('mousemove', documentMouseMove).bind('mouseup', documentMouseUp);\n        e.preventDefault(); // prevent attempted dragging of the column\n      }\n      function documentMouseMove (e) {\n        container.css({left: elementStartX - (pageStartX - e.pageX) + 'px', top: elementStartY - (pageStartY - e.pageY) + 'px'});\n        if (settings.window.expandable && !$.support.boxModel) container.prev().css({left: container.css('left'), top: container.css('top')});\n        e.stopPropagation();\n        e.preventDefault();\n        return false;\n      }\n      function documentMouseUp (e) {\n        $(document).unbind('mousemove', documentMouseMove).unbind('mouseup', documentMouseUp);\n        e.stopPropagation();\n        e.preventDefault();\n        return false;\n      }\n      function quickPickClicked (e) {\n        e.preventDefault();\n        e.stopPropagation();\n        color.active.val('ahex', $(this).attr('title') || null, e.target);\n        return false;\n      }\n      function show () {\n        color.current.val('ahex', color.active.val('ahex'));\n        function attachIFrame () {\n          if (!settings.window.expandable || $.support.boxModel) return;\n          const table = container.find('table:first');\n          container.before('<iframe/>');\n          container.prev().css({width: table.width(), height: container.height(), opacity: 0, position: 'absolute', left: container.css('left'), top: container.css('top')});\n        }\n        if (settings.window.expandable) {\n          $(document.body).children('div.jPicker.Container').css({zIndex: 10});\n          container.css({zIndex: 20});\n        }\n        switch (settings.window.effects.type) {\n        case 'fade':\n          container.fadeIn(settings.window.effects.speed.show, attachIFrame);\n          break;\n        case 'slide':\n          container.slideDown(settings.window.effects.speed.show, attachIFrame);\n          break;\n        case 'show':\n        default:\n          container.show(settings.window.effects.speed.show, attachIFrame);\n          break;\n        }\n      }\n      function hide () {\n        function removeIFrame () {\n          if (settings.window.expandable) container.css({zIndex: 10});\n          if (!settings.window.expandable || $.support.boxModel) return;\n          container.prev().remove();\n        }\n        switch (settings.window.effects.type) {\n        case 'fade':\n          container.fadeOut(settings.window.effects.speed.hide, removeIFrame);\n          break;\n        case 'slide':\n          container.slideUp(settings.window.effects.speed.hide, removeIFrame);\n          break;\n        case 'show':\n        default:\n          container.hide(settings.window.effects.speed.hide, removeIFrame);\n          break;\n        }\n      }\n      function initialize () {\n        const win = settings.window,\n          popup = win.expandable ? $($this).next().find('.Container:first') : null;\n        container = win.expandable ? $('<div/>') : $($this);\n        container.addClass('jPicker Container');\n        if (win.expandable) container.hide();\n        container.get(0).onselectstart = function (event) { if (event.target.nodeName.toLowerCase() !== 'input') return false; };\n        // inject html source code - we are using a single table for this control - I know tables are considered bad, but it takes care of equal height columns and\n        // this control really is tabular data, so I believe it is the right move\n        const all = color.active.val('all');\n        if (win.alphaPrecision < 0) win.alphaPrecision = 0;\n        else if (win.alphaPrecision > 2) win.alphaPrecision = 2;\n        const controlHtml = `<table class=\"jPicker\" cellpadding=\"0\" cellspacing=\"0\">\n          <tbody>\n            ${win.expandable ? `<tr><td class=\"Move\" colspan=\"5\">&nbsp;</td></tr>` : ''}\n            <tr>\n              <td rowspan=\"9\"><h2 class=\"Title\">${win.title || localization.text.title}</h2><div class=\"Map\"><span class=\"Map1\">&nbsp;</span><span class=\"Map2\">&nbsp;</span><span class=\"Map3\">&nbsp;</span><img src=\"${images.clientPath + images.colorMap.arrow.file}\" class=\"Arrow\"/></div></td>\n              <td rowspan=\"9\"><div class=\"Bar\"><span class=\"Map1\">&nbsp;</span><span class=\"Map2\">&nbsp;</span><span class=\"Map3\">&nbsp;</span><span class=\"Map4\">&nbsp;</span><span class=\"Map5\">&nbsp;</span><span class=\"Map6\">&nbsp;</span><img src=\"${images.clientPath + images.colorBar.arrow.file}\" class=\"Arrow\"/></div></td>\n              <td colspan=\"2\" class=\"Preview\">${localization.text.newColor}<div><span class=\"Active\" title=\"${localization.tooltips.colors.newColor}\">&nbsp;</span><span class=\"Current\" title=\"${localization.tooltips.colors.currentColor}\">&nbsp;</span></div>${localization.text.currentColor}</td>\n              <td rowspan=\"9\" class=\"Button\"><input type=\"button\" class=\"Ok\" value=\"${localization.text.ok}\" title=\"${localization.tooltips.buttons.ok}\"/><input type=\"button\" class=\"Cancel\" value=\"${localization.text.cancel}\" title=\"${localization.tooltips.buttons.cancel}\"/><hr/><div class=\"Grid\">&nbsp;</div></td>\n            </tr>\n            <tr class=\"Hue\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.hue.radio}\"><input type=\"radio\" value=\"h\"${settings.color.mode === 'h' ? ' checked=\"checked\"' : ''}/>H:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.h : ''}\" title=\"${localization.tooltips.hue.textbox}\"/>&nbsp;&deg;</td>\n            </tr>\n            <tr class=\"Saturation\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.saturation.radio}\"><input type=\"radio\" value=\"s\"${settings.color.mode === 's' ? ' checked=\"checked\"' : ''}/>S:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.s : ''}\" title=\"${localization.tooltips.saturation.textbox}\"/>&nbsp;%</td>\n            </tr>\n            <tr class=\"Value\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.value.radio}\"><input type=\"radio\" value=\"v\"${settings.color.mode === 'v' ? ' checked=\"checked\"' : ''}/>V:</label><br/><br/></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.v : ''}\" title=\"${localization.tooltips.value.textbox}\"/>&nbsp;%<br/><br/></td>\n            </tr>\n            <tr class=\"Red\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.red.radio}\"><input type=\"radio\" value=\"r\"${settings.color.mode === 'r' ? ' checked=\"checked\"' : ''}/>R:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.r : ''}\" title=\"${localization.tooltips.red.textbox}\"/></td>\n            </tr>\n            <tr class=\"Green\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.green.radio}\"><input type=\"radio\" value=\"g\"${settings.color.mode === 'g' ? ' checked=\"checked\"' : ''}/>G:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.g : ''}\" title=\"${localization.tooltips.green.textbox}\"/></td>\n            </tr>\n            <tr class=\"Blue\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.blue.radio}\"><input type=\"radio\" value=\"b\"${settings.color.mode === 'b' ? ' checked=\"checked\"' : ''}/>B:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.b : ''}\" title=\"${localization.tooltips.blue.textbox}\"/></td>\n            </tr>\n            <tr class=\"Alpha\">\n              <td class=\"Radio\">${win.alphaSupport ? `<label title=\"${localization.tooltips.alpha.radio}\"><input type=\"radio\" value=\"a\"${settings.color.mode === 'a' ? ' checked=\"checked\"' : ''}/>A:</label>` : '&nbsp;'}</td>\n              <td class=\"Text\">${win.alphaSupport ? `<input type=\"text\" maxlength=\"${3 + win.alphaPrecision}\" value=\"${all != null ? toFixedNumeric((all.a * 100) / 255, win.alphaPrecision) : ''}\" title=\"${localization.tooltips.alpha.textbox}\"/>&nbsp;%` : '&nbsp;'}</td>\n            </tr>\n            <tr class=\"Hex\">\n              <td colspan=\"2\" class=\"Text\"><label title=\"${localization.tooltips.hex.textbox}\">#:<input type=\"text\" maxlength=\"6\" class=\"Hex\" value=\"${all != null ? all.hex : ''}\"/></label>${win.alphaSupport ? `<input type=\"text\" maxlength=\"2\" class=\"AHex\" value=\"${all != null ? all.ahex.substring(6) : ''}\" title=\"${localization.tooltips.hex.alpha}\"/></td>` : '&nbsp;'}\n            </tr>\n          </tbody></table>`;\n        if (win.expandable) {\n          container.html(controlHtml);\n          if (!$(document.body).children('div.jPicker.Container').length) {\n            $(document.body).prepend(container);\n          } else {\n            $(document.body).children('div.jPicker.Container:last').after(container);\n          }\n          container.mousedown(\n            function () {\n              $(document.body).children('div.jPicker.Container').css({zIndex: 10});\n              container.css({zIndex: 20});\n            });\n          container.css( // positions must be set and display set to absolute before source code injection or IE will size the container to fit the window\n            {\n              left:\n                win.position.x === 'left'\n                  ? (popup.offset().left - 530 - (win.position.y === 'center' ? 25 : 0)) + 'px'\n                  : win.position.x === 'center'\n                    ? (popup.offset().left - 260) + 'px'\n                    : win.position.x === 'right'\n                      ? (popup.offset().left - 10 + (win.position.y === 'center' ? 25 : 0)) + 'px'\n                      : win.position.x === 'screenCenter'\n                        ? (($(document).width() >> 1) - 260) + 'px'\n                        : (popup.offset().left + parseInt(win.position.x)) + 'px',\n              position: 'absolute',\n              top: win.position.y === 'top'\n                ? (popup.offset().top - 312) + 'px'\n                : win.position.y === 'center'\n                  ? (popup.offset().top - 156) + 'px'\n                  : win.position.y === 'bottom'\n                    ? (popup.offset().top + 25) + 'px'\n                    : (popup.offset().top + parseInt(win.position.y)) + 'px'\n            });\n        } else {\n          container = $($this);\n          container.html(controlHtml);\n        }\n        // initialize the objects to the source code just injected\n        const tbody = container.find('tbody:first');\n        colorMapDiv = tbody.find('div.Map:first');\n        colorBarDiv = tbody.find('div.Bar:first');\n        const MapMaps = colorMapDiv.find('span');\n        const BarMaps = colorBarDiv.find('span');\n        colorMapL1 = MapMaps.filter('.Map1:first');\n        colorMapL2 = MapMaps.filter('.Map2:first');\n        colorMapL3 = MapMaps.filter('.Map3:first');\n        colorBarL1 = BarMaps.filter('.Map1:first');\n        colorBarL2 = BarMaps.filter('.Map2:first');\n        colorBarL3 = BarMaps.filter('.Map3:first');\n        colorBarL4 = BarMaps.filter('.Map4:first');\n        colorBarL5 = BarMaps.filter('.Map5:first');\n        colorBarL6 = BarMaps.filter('.Map6:first');\n        // create color pickers and maps\n        colorMap = new Slider(colorMapDiv,\n          {\n            map: {\n              width: images.colorMap.width,\n              height: images.colorMap.height\n            },\n            arrow: {\n              image: images.clientPath + images.colorMap.arrow.file,\n              width: images.colorMap.arrow.width,\n              height: images.colorMap.arrow.height\n            }\n          }\n        );\n        colorMap.bind(mapValueChanged);\n        colorBar = new Slider(colorBarDiv,\n          {\n            map: {\n              width: images.colorBar.width,\n              height: images.colorBar.height\n            },\n            arrow: {\n              image: images.clientPath + images.colorBar.arrow.file,\n              width: images.colorBar.arrow.width,\n              height: images.colorBar.arrow.height\n            }\n          }\n        );\n        colorBar.bind(colorBarValueChanged);\n        colorPicker = new ColorValuePicker(\n          tbody,\n          color.active,\n          win.expandable && win.bindToInput ? win.input : null, win.alphaPrecision\n        );\n        const hex = all != null ? all.hex : null,\n          preview = tbody.find('.Preview'),\n          button = tbody.find('.Button');\n        activePreview = preview.find('.Active:first').css({backgroundColor: (hex && '#' + hex) || 'transparent'});\n        currentPreview = preview.find('.Current:first').css({backgroundColor: (hex && '#' + hex) || 'transparent'}).bind('click', currentClicked);\n        setAlpha.call($this, currentPreview, toFixedNumeric((color.current.val('a') * 100) / 255, 4));\n        okButton = button.find('.Ok:first').bind('click', okClicked);\n        cancelButton = button.find('.Cancel:first').bind('click', cancelClicked);\n        grid = button.find('.Grid:first');\n        setTimeout(function () {\n          setImg.call($this, colorMapL1, images.clientPath + 'Maps.png');\n          setImg.call($this, colorMapL2, images.clientPath + 'Maps.png');\n          setImg.call($this, colorMapL3, images.clientPath + 'map-opacity.png');\n          setImg.call($this, colorBarL1, images.clientPath + 'Bars.png');\n          setImg.call($this, colorBarL2, images.clientPath + 'Bars.png');\n          setImg.call($this, colorBarL3, images.clientPath + 'Bars.png');\n          setImg.call($this, colorBarL4, images.clientPath + 'Bars.png');\n          setImg.call($this, colorBarL5, images.clientPath + 'bar-opacity.png');\n          setImg.call($this, colorBarL6, images.clientPath + 'AlphaBar.png');\n          setImg.call($this, preview.find('div:first'), images.clientPath + 'preview-opacity.png');\n        }, 0);\n        tbody.find('td.Radio input').bind('click', radioClicked);\n        // initialize quick list\n        if (color.quickList && color.quickList.length > 0) {\n          let html = '';\n          for (let i = 0; i < color.quickList.length; i++) {\n            /* if default colors are hex strings, change them to color objects */\n            if ((typeof (color.quickList[i])).toString().toLowerCase() === 'string') color.quickList[i] = new Color({hex: color.quickList[i]});\n            const alpha = color.quickList[i].val('a');\n            let ahex = color.quickList[i].val('ahex');\n            if (!win.alphaSupport && ahex) ahex = ahex.substring(0, 6) + 'ff';\n            const quickHex = color.quickList[i].val('hex');\n            if (!ahex) ahex = '00000000';\n            html += '<span class=\"QuickColor\"' + (' title=\"#' + ahex + '\"') + ' style=\"background-color:' + ((quickHex && '#' + quickHex) || '') + ';' + (quickHex ? '' : 'background-image:url(' + images.clientPath + 'NoColor.png)') + (win.alphaSupport && alpha && alpha < 255 ? ';opacity:' + toFixedNumeric(alpha / 255, 4) + ';filter:Alpha(opacity=' + toFixedNumeric(alpha / 2.55, 4) + ')' : '') + '\">&nbsp;</span>';\n          }\n          setImg.call($this, grid, images.clientPath + 'bar-opacity.png');\n          grid.html(html);\n          grid.find('.QuickColor').click(quickPickClicked);\n        }\n        setColorMode.call($this, settings.color.mode);\n        color.active.bind(activeColorChanged);\n        typeof liveCallback === 'function' && color.active.bind(liveCallback);\n        color.current.bind(currentColorChanged);\n        // bind to input\n        if (win.expandable) {\n          $this.icon = popup.parents('.Icon:first');\n          iconColor = $this.icon.find('.Color:first').css({backgroundColor: (hex && '#' + hex) || 'transparent'});\n          iconAlpha = $this.icon.find('.Alpha:first');\n          setImg.call($this, iconAlpha, images.clientPath + 'bar-opacity.png');\n          setAlpha.call($this, iconAlpha, toFixedNumeric(((255 - (all != null ? all.a : 0)) * 100) / 255, 4));\n          iconImage = $this.icon.find('.Image:first').css({\n            backgroundImage: 'url(\\'' + images.clientPath + images.picker.file + '\\')'\n          }).bind('click', iconImageClicked);\n          if (win.bindToInput && win.updateInputColor) {\n            win.input.css({\n              backgroundColor: (hex && '#' + hex) || 'transparent',\n              color: all == null || all.v > 75 ? '#000000' : '#ffffff'\n            });\n          }\n          moveBar = tbody.find('.Move:first').bind('mousedown', moveBarMouseDown);\n          color.active.bind(expandableColorChanged);\n        } else show.call($this);\n      }\n      function destroy () {\n        container.find('td.Radio input').unbind('click', radioClicked);\n        currentPreview.unbind('click', currentClicked);\n        cancelButton.unbind('click', cancelClicked);\n        okButton.unbind('click', okClicked);\n        if (settings.window.expandable) {\n          iconImage.unbind('click', iconImageClicked);\n          moveBar.unbind('mousedown', moveBarMouseDown);\n          $this.icon = null;\n        }\n        container.find('.QuickColor').unbind('click', quickPickClicked);\n        colorMapDiv = null;\n        colorBarDiv = null;\n        colorMapL1 = null;\n        colorMapL2 = null;\n        colorMapL3 = null;\n        colorBarL1 = null;\n        colorBarL2 = null;\n        colorBarL3 = null;\n        colorBarL4 = null;\n        colorBarL5 = null;\n        colorBarL6 = null;\n        colorMap.destroy();\n        colorMap = null;\n        colorBar.destroy();\n        colorBar = null;\n        colorPicker.destroy();\n        colorPicker = null;\n        activePreview = null;\n        currentPreview = null;\n        okButton = null;\n        cancelButton = null;\n        grid = null;\n        commitCallback = null;\n        cancelCallback = null;\n        liveCallback = null;\n        container.html('');\n        for (let i = 0; i < List.length; i++) {\n          if (List[i] === $this) {\n            List.splice(i, 1);\n          }\n        }\n      }\n      const {images, localization} = settings; // local copies for YUI compressor\n      const color = {\n        active: (typeof settings.color.active).toString().toLowerCase() === 'string'\n          ? new Color({ahex: !settings.window.alphaSupport && settings.color.active\n            ? settings.color.active.substring(0, 6) + 'ff'\n            : settings.color.active\n          })\n          : new Color({ahex: !settings.window.alphaSupport &&\n              settings.color.active.val('ahex')\n            ? settings.color.active.val('ahex').substring(0, 6) + 'ff'\n            : settings.color.active.val('ahex')\n          }),\n        current: (typeof settings.color.active).toString().toLowerCase() === 'string'\n          ? new Color({ahex: !settings.window.alphaSupport && settings.color.active\n            ? settings.color.active.substring(0, 6) + 'ff'\n            : settings.color.active})\n          : new Color({ahex: !settings.window.alphaSupport &&\n              settings.color.active.val('ahex')\n            ? settings.color.active.val('ahex').substring(0, 6) + 'ff'\n            : settings.color.active.val('ahex')\n          }),\n        quickList: settings.color.quickList\n      };\n\n      let elementStartX = null, // Used to record the starting css positions for dragging the control\n        elementStartY = null,\n        pageStartX = null, // Used to record the mousedown coordinates for dragging the control\n        pageStartY = null,\n        container = null,\n        colorMapDiv = null,\n        colorBarDiv = null,\n        colorMapL1 = null, // different layers of colorMap and colorBar\n        colorMapL2 = null,\n        colorMapL3 = null,\n        colorBarL1 = null,\n        colorBarL2 = null,\n        colorBarL3 = null,\n        colorBarL4 = null,\n        colorBarL5 = null,\n        colorBarL6 = null,\n        colorMap = null, // color maps\n        colorBar = null,\n        colorPicker = null,\n        activePreview = null, // color boxes above the radio buttons\n        currentPreview = null,\n        okButton = null,\n        cancelButton = null,\n        grid = null, // preset colors grid\n        iconColor = null, // iconColor for popup icon\n        iconAlpha = null, // iconAlpha for popup icon\n        iconImage = null, // iconImage popup icon\n        moveBar = null, // drag bar\n        commitCallback = typeof $arguments[1] === 'function' ? $arguments[1] : null,\n        liveCallback = typeof $arguments[2] === 'function' ? $arguments[2] : null,\n        cancelCallback = typeof $arguments[3] === 'function' ? $arguments[3] : null;\n\n      $.extend(true, $this, {\n        // public properties, methods, and callbacks\n        commitCallback, // commitCallback function can be overridden to return the selected color to a method you specify when the user clicks \"OK\"\n        liveCallback, // liveCallback function can be overridden to return the selected color to a method you specify in live mode (continuous update)\n        cancelCallback, // cancelCallback function can be overridden to a method you specify when the user clicks \"Cancel\"\n        color,\n        show,\n        hide,\n        destroy // destroys this control entirely, removing all events and objects, and removing itself from the List\n      });\n      List.push($this);\n      setTimeout(function () {\n        initialize.call($this);\n      }, 0);\n    });\n  };\n  /**\n  * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsIconInfo\n  * @property {string} file Color Map/Color Bar/Color Picker arrow icon\n  * @property {Float} width\n  * @property {Float} height\n  */\n  /**\n  * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsImagesDimensionsArrow\n  * @property {Float} width\n  * @property {Float} height\n  * @property {external:jQuery.fn.jPickerOptionsIconInfo} arrow\n  */\n  /**\n  * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsRadioTextboxLocale\n  * @property {string} radio\n  * @property {string} textbox\n  */\n  /**\n  * @typedef {PlainObject} external:jQuery.fn.jPickerOptions\n  * @property {PlainObject} window\n  * @property {string|null} window.title Any title for the jPicker window itself - displays\n  * \"Drag Markers To Pick A Color\" if left null\n  * @property {PlainObject} window.effects\n  * @property {\"slide\"|\"show\"|\"fade\"} window.effects.type Effect used to show/hide an expandable picker\n  * @property {PlainObject} window.effects.speed\n  * @property {\"fast\"|\"slow\"|Float} window.effects.speed.show Duration of \"show\" effect. Time in milliseconds.\n  * @property {\"fast\"|\"slow\"|Float} window.effects.speed.hide Duration of \"hide\" effect. Time in milliseconds\n  * @property {PlainObject} window.position\n  * @property {\"left\"|\"center\"|\"right\"|\"screenCenter\"|Float} window.position.x Relative px value\n  * @property {\"top\"|\"bottom\"|\"center\"|Float} window.position.y Relative px value\n  * @property {boolean} window.expandable Defaults to large static picker - set to `true` to make an expandable\n  * picker (small icon with popup) - set automatically when binded to input element\n  * @property {boolean} window.liveUpdate Set `false` if you want the user to have to click \"OK\" before the\n  * binded input box updates values (always `true` for expandable picker)\n  * @property {boolean} window.alphaSupport Set to `true` to enable alpha picking\n  * @property {Float} window.alphaPrecision Set decimal precision for alpha percentage display - hex codes do\n  * not map directly to percentage integers - range 0-2\n  * @property {boolean} window.updateInputColor Set to `false` to prevent binded input colors from changing\n  * @property {PlainObject} color\n  * @property {\"h\"|\"s\"|\"v\"|\"r\"|\"g\"|\"b\"|\"a\"} color.mode Symbols stand for \"h\" (hue), \"s\" (saturation), \"v\" (value), \"r\" (red), \"g\" (green), \"b\" (blue), \"a\" (alpha)\n  * @property {Color|string} color.active Strings are HEX values (e.g. #ffc000) WITH OR WITHOUT the \"#\" prefix\n  * @property {Color[]|string[]} color.quickList The quick pick color list\n  * Strings are HEX values (e.g. #ffc000) WITH OR WITHOUT the \"#\" prefix\n  * @property {PlainObject} images\n  * @property {string} images.clientPath Path to image files\n  * @property {external:jQuery.fn.jPickerOptionsImagesDimensionsArrow} images.colorMap\n  * @property {external:jQuery.fn.jPickerOptionsImagesDimensionsArrow} images.colorBar\n  * @property {external:jQuery.fn.jPickerOptionsIconInfo} images.picker\n  * @property {PlainObject} localization alter these to change the text presented by the picker (e.g. different language)\n  * @property {PlainObject} localization.text\n  * @property {string} localization.text.title\n  * @property {string} localization.text.newColor\n  * @property {string} localization.text.currentColor\n  * @property {string} localization.text.ok\n  * @property {string} localization.text.cancel\n  * @property {PlainObject} localization.tooltips\n  * @property {PlainObject} localization.tooltips.colors\n  * @property {string} localization.tooltips.colors.newColor\n  * @property {string} localization.tooltips.colors.currentColor\n  * @property {PlainObject} localization.tooltips.buttons\n  * @property {string} localization.tooltips.buttons.ok\n  * @property {string} localization.tooltips.buttons.cancel\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.hue\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.saturation\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.value\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.red\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.green\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.blue\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.alpha\n  * @property {PlainObject} localization.tooltips.hex\n  * @property {string} localization.tooltips.hex.textbox\n  * @property {string} localization.tooltips.hex.alpha\n  */\n  /**\n  * jPicker defaults - you can change anything in this section (such as the\n  * clientPath to your images) without fear of breaking the program\n  * @namespace {external:jQuery.fn.jPickerOptions} defaults\n  * @memberof external:jQuery.fn.$.fn.jPicker\n  * @borrows external:jQuery.fn.jPickerOptions as external:jQuery.fn.jPicker.defaults\n  * @see Source for all of the values\n  */\n  $.fn.jPicker.defaults = {\n    window: {\n      title: null,\n      effects: {\n        type: 'slide',\n        speed: {\n          show: 'slow',\n          hide: 'fast'\n        }\n      },\n      position: {\n        x: 'screenCenter',\n        y: 'top'\n      },\n      expandable: false,\n      liveUpdate: true,\n      alphaSupport: false,\n      alphaPrecision: 0,\n      updateInputColor: true\n    },\n    color: {\n      mode: 'h',\n      active: new Color({ahex: '#ffcc00ff'}),\n      quickList: [\n        new Color({h: 360, s: 33, v: 100}),\n        new Color({h: 360, s: 66, v: 100}),\n        new Color({h: 360, s: 100, v: 100}),\n        new Color({h: 360, s: 100, v: 75}),\n        new Color({h: 360, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 100}),\n        new Color({h: 30, s: 33, v: 100}),\n        new Color({h: 30, s: 66, v: 100}),\n        new Color({h: 30, s: 100, v: 100}),\n        new Color({h: 30, s: 100, v: 75}),\n        new Color({h: 30, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 90}),\n        new Color({h: 60, s: 33, v: 100}),\n        new Color({h: 60, s: 66, v: 100}),\n        new Color({h: 60, s: 100, v: 100}),\n        new Color({h: 60, s: 100, v: 75}),\n        new Color({h: 60, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 80}),\n        new Color({h: 90, s: 33, v: 100}),\n        new Color({h: 90, s: 66, v: 100}),\n        new Color({h: 90, s: 100, v: 100}),\n        new Color({h: 90, s: 100, v: 75}),\n        new Color({h: 90, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 70}),\n        new Color({h: 120, s: 33, v: 100}),\n        new Color({h: 120, s: 66, v: 100}),\n        new Color({h: 120, s: 100, v: 100}),\n        new Color({h: 120, s: 100, v: 75}),\n        new Color({h: 120, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 60}),\n        new Color({h: 150, s: 33, v: 100}),\n        new Color({h: 150, s: 66, v: 100}),\n        new Color({h: 150, s: 100, v: 100}),\n        new Color({h: 150, s: 100, v: 75}),\n        new Color({h: 150, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 50}),\n        new Color({h: 180, s: 33, v: 100}),\n        new Color({h: 180, s: 66, v: 100}),\n        new Color({h: 180, s: 100, v: 100}),\n        new Color({h: 180, s: 100, v: 75}),\n        new Color({h: 180, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 40}),\n        new Color({h: 210, s: 33, v: 100}),\n        new Color({h: 210, s: 66, v: 100}),\n        new Color({h: 210, s: 100, v: 100}),\n        new Color({h: 210, s: 100, v: 75}),\n        new Color({h: 210, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 30}),\n        new Color({h: 240, s: 33, v: 100}),\n        new Color({h: 240, s: 66, v: 100}),\n        new Color({h: 240, s: 100, v: 100}),\n        new Color({h: 240, s: 100, v: 75}),\n        new Color({h: 240, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 20}),\n        new Color({h: 270, s: 33, v: 100}),\n        new Color({h: 270, s: 66, v: 100}),\n        new Color({h: 270, s: 100, v: 100}),\n        new Color({h: 270, s: 100, v: 75}),\n        new Color({h: 270, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 10}),\n        new Color({h: 300, s: 33, v: 100}),\n        new Color({h: 300, s: 66, v: 100}),\n        new Color({h: 300, s: 100, v: 100}),\n        new Color({h: 300, s: 100, v: 75}),\n        new Color({h: 300, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 0}),\n        new Color({h: 330, s: 33, v: 100}),\n        new Color({h: 330, s: 66, v: 100}),\n        new Color({h: 330, s: 100, v: 100}),\n        new Color({h: 330, s: 100, v: 75}),\n        new Color({h: 330, s: 100, v: 50}),\n        new Color()\n      ]\n    },\n    images: {\n      clientPath: '/jPicker/images/',\n      colorMap: {\n        width: 256,\n        height: 256,\n        arrow: {\n          file: 'mappoint.gif',\n          width: 15,\n          height: 15\n        }\n      },\n      colorBar: {\n        width: 20,\n        height: 256,\n        arrow: {\n          file: 'rangearrows.gif',\n          width: 20,\n          height: 7\n        }\n      },\n      picker: {\n        file: 'picker.gif',\n        width: 25,\n        height: 24\n      }\n    },\n    localization: {\n      text: {\n        title: 'Drag Markers To Pick A Color',\n        newColor: 'new',\n        currentColor: 'current',\n        ok: 'OK',\n        cancel: 'Cancel'\n      },\n      tooltips: {\n        colors: {\n          newColor: 'New Color - Press &ldquo;OK&rdquo; To Commit',\n          currentColor: 'Click To Revert To Original Color'\n        },\n        buttons: {\n          ok: 'Commit To This Color Selection',\n          cancel: 'Cancel And Revert To Original Color'\n        },\n        hue: {\n          radio: 'Set To &ldquo;Hue&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Hue&rdquo; Value (0-360&deg;)'\n        },\n        saturation: {\n          radio: 'Set To &ldquo;Saturation&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Saturation&rdquo; Value (0-100%)'\n        },\n        value: {\n          radio: 'Set To &ldquo;Value&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Value&rdquo; Value (0-100%)'\n        },\n        red: {\n          radio: 'Set To &ldquo;Red&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Red&rdquo; Value (0-255)'\n        },\n        green: {\n          radio: 'Set To &ldquo;Green&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Green&rdquo; Value (0-255)'\n        },\n        blue: {\n          radio: 'Set To &ldquo;Blue&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Blue&rdquo; Value (0-255)'\n        },\n        alpha: {\n          radio: 'Set To &ldquo;Alpha&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Alpha&rdquo; Value (0-100)'\n        },\n        hex: {\n          textbox: 'Enter A &ldquo;Hex&rdquo; Color Value (#000000-#ffffff)',\n          alpha: 'Enter A &ldquo;Alpha&rdquo; Value (#00-#ff)'\n        }\n      }\n    }\n  };\n  return $;\n};\n\nexport default jPicker;\n","/* globals jQuery */\n/**\n * Localizing script for SVG-edit UI\n * @module locale\n * @license MIT\n *\n * @copyright 2010 Narendra Sisodya\n * @copyright 2010 Alexis Deveria\n *\n */\n\n/**\n * Used, for example, in the ImageLibs extension, to present libraries (with name/URL/description) in order\n * @typedef {GenericArray.<module:locale.LocaleStrings>} module:locale.LocaleArray\n*/\n/**\n * The string keys of the object are two-letter language codes\n * @tutorial LocaleDocs\n * @typedef {PlainObject.<string, string|module:locale.LocaleStrings|module:locale.LocaleArray>} module:locale.LocaleStrings\n */\n// keyed to an array of objects with \"id\" and \"title\" or \"textContent\" properties\n/**\n * @typedef {PlainObject.<string, string>} module:locale.LocaleSelectorValue\n */\n\nimport {importSetGlobalDefault} from '../external/dynamic-import-polyfill/importModule.js';\n\nconst $ = jQuery;\n\nlet langParam;\n\n/**\n* @param {\"content\"|\"title\"} type\n* @param {module:locale.LocaleSelectorValue} obj\n* @param {boolean} ids\n* @returns {undefined}\n*/\nexport const setStrings = function (type, obj, ids) {\n  // Root element to look for element from\n  const parent = $('#svg_editor').parent();\n  Object.entries(obj).forEach(([sel, val]) => {\n    if (!val) { console.log(sel); }\n\n    if (ids) { sel = '#' + sel; }\n    const $elem = parent.find(sel);\n    if ($elem.length) {\n      const elem = parent.find(sel)[0];\n\n      switch (type) {\n      case 'content':\n        for (let i = 0, node; (node = elem.childNodes[i]); i++) {\n          if (node.nodeType === 3 && node.textContent.trim()) {\n            node.textContent = val;\n            break;\n          }\n        }\n        break;\n\n      case 'title':\n        elem.title = val;\n        break;\n      }\n    } else {\n      console.log('Missing: ' + sel);\n    }\n  });\n};\n\n/**\n* The \"data\" property is generally set to an an array of objects with\n* \"id\" and \"title\" or \"textContent\" properties\n* @typedef {PlainObject} module:locale.AddLangExtensionLocaleData\n* @property {module:locale.LocaleStrings[]} data See {@tutorial LocaleDocs}\n*/\n\n/**\n* @interface module:locale.LocaleEditorInit\n*/\n/**\n * @function module:locale.LocaleEditorInit#addLangData\n * @param {string} langParam\n * @returns {module:locale.AddLangExtensionLocaleData}\n*/\n\nlet editor_;\n/**\n* @function init\n* @memberof module:locale\n* @param {module:locale.LocaleEditorInit} editor\n* @returns {undefined}\n*/\nexport const init = (editor) => {\n  editor_ = editor;\n};\n\n/**\n* @typedef {PlainObject} module:locale.LangAndData\n* @property {string} langParam\n* @property {module:locale.LocaleStrings} langData\n*/\n\n/**\n* @function module:locale.readLang\n* @param {module:locale.LocaleStrings} langData See {@tutorial LocaleDocs}\n* @fires module:svgcanvas.SvgCanvas#event:ext-addLangData\n* @returns {Promise} Resolves to [`LangAndData`]{@link module:locale.LangAndData}\n*/\nexport const readLang = async function (langData) {\n  const more = await editor_.addLangData(langParam);\n  $.each(more, function (i, m) {\n    if (m.data) {\n      langData = $.merge(langData, m.data);\n    }\n  });\n\n  // Old locale file, do nothing for now.\n  if (!langData.tools) { return; }\n\n  const {\n    tools,\n    // misc,\n    properties, config, layers, common, ui\n  } = langData;\n\n  setStrings('content', {\n    // copyrightLabel: misc.powered_by, // Currently commented out in svg-editor.html\n    curve_segments: properties.curve_segments,\n    fitToContent: tools.fitToContent,\n    fit_to_all: tools.fit_to_all,\n    fit_to_canvas: tools.fit_to_canvas,\n    fit_to_layer_content: tools.fit_to_layer_content,\n    fit_to_sel: tools.fit_to_sel,\n\n    icon_large: config.icon_large,\n    icon_medium: config.icon_medium,\n    icon_small: config.icon_small,\n    icon_xlarge: config.icon_xlarge,\n    image_opt_embed: config.image_opt_embed,\n    image_opt_ref: config.image_opt_ref,\n    includedImages: config.included_images,\n\n    largest_object: tools.largest_object,\n\n    layersLabel: layers.layers,\n    page: tools.page,\n    relativeToLabel: tools.relativeTo,\n    selLayerLabel: layers.move_elems_to,\n    selectedPredefined: config.select_predefined,\n\n    selected_objects: tools.selected_objects,\n    smallest_object: tools.smallest_object,\n    straight_segments: properties.straight_segments,\n\n    svginfo_bg_url: config.editor_img_url + ':',\n    svginfo_bg_note: config.editor_bg_note,\n    svginfo_change_background: config.background,\n    svginfo_dim: config.doc_dims,\n    svginfo_editor_prefs: config.editor_prefs,\n    svginfo_height: common.height,\n    svginfo_icons: config.icon_size,\n    svginfo_image_props: config.image_props,\n    svginfo_lang: config.language,\n    svginfo_title: config.doc_title,\n    svginfo_width: common.width,\n\n    tool_docprops_cancel: common.cancel,\n    tool_docprops_save: common.ok,\n\n    tool_source_cancel: common.cancel,\n    tool_source_save: common.ok,\n\n    tool_prefs_cancel: common.cancel,\n    tool_prefs_save: common.ok,\n\n    sidepanel_handle: layers.layers.split('').join(' '),\n\n    tool_clear: tools.new_doc,\n    tool_docprops: tools.docprops,\n    tool_export: tools.export_img,\n    tool_import: tools.import_doc,\n    tool_open: tools.open_doc,\n    tool_save: tools.save_doc,\n\n    svginfo_units_rulers: config.units_and_rulers,\n    svginfo_rulers_onoff: config.show_rulers,\n    svginfo_unit: config.base_unit,\n\n    svginfo_grid_settings: config.grid,\n    svginfo_snap_onoff: config.snapping_onoff,\n    svginfo_snap_step: config.snapping_stepsize,\n    svginfo_grid_color: config.grid_color\n  }, true);\n\n  // Context menus\n  const opts = {};\n  $.each(['cut', 'copy', 'paste', 'paste_in_place', 'delete', 'group', 'ungroup', 'move_front', 'move_up', 'move_down', 'move_back'], function () {\n    opts['#cmenu_canvas a[href=\"#' + this + '\"]'] = tools[this];\n  });\n\n  $.each(['dupe', 'merge_down', 'merge_all'], function () {\n    opts['#cmenu_layers a[href=\"#' + this + '\"]'] = layers[this];\n  });\n\n  opts['#cmenu_layers a[href=\"#delete\"]'] = layers.del;\n\n  setStrings('content', opts);\n\n  setStrings('title', {\n    align_relative_to: tools.align_relative_to,\n    circle_cx: properties.circle_cx,\n    circle_cy: properties.circle_cy,\n    circle_r: properties.circle_r,\n    cornerRadiusLabel: properties.corner_radius,\n    ellipse_cx: properties.ellipse_cx,\n    ellipse_cy: properties.ellipse_cy,\n    ellipse_rx: properties.ellipse_rx,\n    ellipse_ry: properties.ellipse_ry,\n    fill_color: properties.fill_color,\n    font_family: properties.font_family,\n    idLabel: properties.id,\n    image_height: properties.image_height,\n    image_url: properties.image_url,\n    image_width: properties.image_width,\n    layer_delete: layers.del,\n    layer_down: layers.move_down,\n    layer_new: layers['new'],\n    layer_rename: layers.rename,\n    layer_moreopts: common.more_opts,\n    layer_up: layers.move_up,\n    line_x1: properties.line_x1,\n    line_x2: properties.line_x2,\n    line_y1: properties.line_y1,\n    line_y2: properties.line_y2,\n    linecap_butt: properties.linecap_butt,\n    linecap_round: properties.linecap_round,\n    linecap_square: properties.linecap_square,\n    linejoin_bevel: properties.linejoin_bevel,\n    linejoin_miter: properties.linejoin_miter,\n    linejoin_round: properties.linejoin_round,\n    main_icon: tools.main_menu,\n    palette: ui.palette_info,\n    zoom_panel: ui.zoom_level,\n    path_node_x: properties.node_x,\n    path_node_y: properties.node_y,\n    rect_height_tool: properties.rect_height,\n    rect_width_tool: properties.rect_width,\n    seg_type: properties.seg_type,\n    selLayerNames: layers.move_selected,\n    selected_x: properties.pos_x,\n    selected_y: properties.pos_y,\n    stroke_color: properties.stroke_color,\n    stroke_style: properties.stroke_style,\n    stroke_width: properties.stroke_width,\n    svginfo_title: config.doc_title,\n    text: properties.text_contents,\n    toggle_stroke_tools: ui.toggle_stroke_tools,\n    tool_add_subpath: tools.add_subpath,\n    tool_alignbottom: tools.align_bottom,\n    tool_aligncenter: tools.align_center,\n    tool_alignleft: tools.align_left,\n    tool_alignmiddle: tools.align_middle,\n    tool_alignright: tools.align_right,\n    tool_aligntop: tools.align_top,\n    tool_angle: properties.angle,\n    tool_blur: properties.blur,\n    tool_bold: properties.bold,\n    tool_circle: tools.mode_circle,\n    tool_clone: tools.clone,\n    tool_clone_multi: tools.clone,\n    tool_delete: tools.del,\n    tool_delete_multi: tools.del,\n    tool_ellipse: tools.mode_ellipse,\n    tool_fhellipse: tools.mode_fhellipse,\n    tool_fhpath: tools.mode_fhpath,\n    tool_fhrect: tools.mode_fhrect,\n    tool_font_size: properties.font_size,\n    tool_group_elements: tools.group_elements,\n    tool_make_link: tools.make_link,\n    tool_link_url: tools.set_link_url,\n    tool_image: tools.mode_image,\n    tool_italic: properties.italic,\n    tool_line: tools.mode_line,\n    tool_move_bottom: tools.move_bottom,\n    tool_move_top: tools.move_top,\n    tool_node_clone: tools.node_clone,\n    tool_node_delete: tools.node_delete,\n    tool_node_link: tools.node_link,\n    tool_opacity: properties.opacity,\n    tool_openclose_path: tools.openclose_path,\n    tool_path: tools.mode_path,\n    tool_position: tools.align_to_page,\n    tool_rect: tools.mode_rect,\n    tool_redo: tools.redo,\n    tool_reorient: tools.reorient_path,\n    tool_select: tools.mode_select,\n    tool_source: tools.source_save,\n    tool_square: tools.mode_square,\n    tool_text: tools.mode_text,\n    tool_topath: tools.to_path,\n    tool_undo: tools.undo,\n    tool_ungroup: tools.ungroup,\n    tool_wireframe: tools.wireframe_mode,\n    tool_zoom: tools.mode_zoom,\n    url_notice: tools.no_embed\n\n  }, true);\n\n  return {langParam, langData};\n};\n\n/**\n* @function module:locale.putLocale\n* @param {string} givenParam\n* @param {string[]} goodLangs\n* @param {{langPath: string}} conf\n* @fires module:svgcanvas.SvgCanvas#event:ext-addLangData\n* @fires module:svgcanvas.SvgCanvas#event:ext-langReady\n* @fires module:svgcanvas.SvgCanvas#event:ext-langChanged\n* @returns {Promise} Resolves to result of {@link module:locale.readLang}\n*/\nexport const putLocale = async function (givenParam, goodLangs, conf) {\n  if (givenParam) {\n    langParam = givenParam;\n  } else {\n    langParam = $.pref('lang');\n    if (!langParam) {\n      if (navigator.userLanguage) { // Explorer\n        langParam = navigator.userLanguage;\n      } else if (navigator.language) { // FF, Opera, ...\n        langParam = navigator.language;\n      }\n    }\n\n    console.log('Lang: ' + langParam);\n\n    // Set to English if language is not in list of good langs\n    if (!goodLangs.includes(langParam) && langParam !== 'test') {\n      langParam = 'en';\n    }\n\n    // don't bother on first run if language is English\n    // The following line prevents setLang from running\n    //    extensions which depend on updated uiStrings,\n    //    so commenting it out.\n    // if (langParam.startsWith('en')) {return;}\n  }\n\n  const url = conf.langPath + 'lang.' + langParam + '.js';\n  return readLang(\n    // Todo: Replace this with `return import(url);` when\n    //   `import()` widely supported\n    await importSetGlobalDefault(url, {\n      global: 'svgEditorLang_' + langParam.replace(/-/g, '_')\n    })\n  );\n};\n","function loadStylesheets(stylesheets, {\n    before: beforeDefault, after: afterDefault, favicon: faviconDefault,\n    canvas: canvasDefault, image: imageDefault = true,\n    acceptErrors\n} = {}) {\n    stylesheets = Array.isArray(stylesheets) ? stylesheets : [stylesheets];\n\n    function setupLink(stylesheetURL) {\n        let options = {};\n        if (Array.isArray(stylesheetURL)) {\n            [stylesheetURL, options = {}] = stylesheetURL;\n        }\n        let { favicon = faviconDefault } = options;\n        const {\n            before = beforeDefault,\n            after = afterDefault,\n            canvas = canvasDefault,\n            image = imageDefault\n        } = options;\n        function addLink() {\n            if (before) {\n                before.before(link);\n            } else if (after) {\n                after.after(link);\n            } else {\n                document.head.appendChild(link);\n            }\n        }\n\n        const link = document.createElement('link');\n        return new Promise((resolve, reject) => {\n            let rej = reject;\n            if (acceptErrors) {\n                rej = typeof acceptErrors === 'function' ? error => {\n                    acceptErrors({ error, stylesheetURL, options, resolve, reject });\n                } : resolve;\n            }\n            if (stylesheetURL.endsWith('.css')) {\n                favicon = false;\n            } else if (stylesheetURL.endsWith('.ico')) {\n                favicon = true;\n            }\n            if (favicon) {\n                link.rel = 'shortcut icon';\n                link.type = 'image/x-icon';\n\n                if (image === false) {\n                    link.href = stylesheetURL;\n                    addLink();\n                    resolve(link);\n                    return;\n                }\n\n                const cnv = document.createElement('canvas');\n                cnv.width = 16;\n                cnv.height = 16;\n                const context = cnv.getContext('2d');\n                const img = document.createElement('img');\n                img.addEventListener('error', error => {\n                    reject(error);\n                });\n                img.addEventListener('load', () => {\n                    context.drawImage(img, 0, 0);\n                    link.href = canvas ? cnv.toDataURL('image/x-icon') : stylesheetURL;\n                    addLink();\n                    resolve(link);\n                });\n                img.src = stylesheetURL;\n                return;\n            }\n            link.rel = 'stylesheet';\n            link.type = 'text/css';\n            link.href = stylesheetURL;\n            addLink();\n            link.addEventListener('error', error => {\n                rej(error);\n            });\n            link.addEventListener('load', () => {\n                resolve(link);\n            });\n        });\n    }\n\n    return Promise.all(stylesheets.map(setupLink));\n}\n\nexport default loadStylesheets;\n","/* globals jQuery */\n\nimport './touch.js';\nimport {NS} from './namespaces.js';\nimport {isWebkit, isChrome, isGecko, isIE, isMac, isTouch} from './browser.js';\nimport * as Utils from './utilities.js';\nimport {getTypeMap, convertUnit, isValidUnit} from './units.js';\nimport {\n  hasCustomHandler, getCustomHandler, injectExtendedContextMenuItemsIntoDom\n} from './contextmenu.js';\nimport {importSetGlobalDefault} from './external/dynamic-import-polyfill/importModule.js';\n\nimport SvgCanvas from './svgcanvas.js';\nimport Layer from './layer.js';\n\nimport jqPluginJSHotkeys from './js-hotkeys/jquery.hotkeys.min.js';\nimport jqPluginBBQ from './jquerybbq/jquery.bbq.min.js';\nimport jqPluginSVGIcons from './svgicons/jQuery.svgIcons.js';\nimport jqPluginJGraduate from './jgraduate/jQuery.jGraduate.js';\nimport jqPluginSpinBtn from './spinbtn/jQuery.SpinButton.js';\nimport jqPluginSVG from './jQuery.attr.js'; // Needed for SVG attribute setting and array form with `attr`\nimport jqPluginContextMenu from './contextmenu/jQuery.contextMenu.js';\nimport jqPluginJPicker from './jgraduate/jQuery.jPicker.js';\nimport {\n  readLang, putLocale,\n  setStrings,\n  init as localeInit\n} from './locale/locale.js';\nimport loadStylesheets from './external/load-stylesheets/index-es.js';\n\n/**\n* The main module for the visual SVG Editor\n*\n* @license MIT\n*\n* @copyright 2010 Alexis Deveria\n* 2010 Pavol Rusnak\n* 2010 Jeff Schiller\n* 2010 Narendra Sisodiya\n* 2014 Brett Zamir\n* @exports module:SVGEditor\n* @borrows module:locale.putLocale as putLocale\n* @borrows module:locale.readLang as readLang\n* @borrows module:locale.setStrings as setStrings\n*/\nconst editor = {};\n\nconst $ = [\n  jqPluginJSHotkeys, jqPluginBBQ, jqPluginSVGIcons, jqPluginJGraduate,\n  jqPluginSpinBtn, jqPluginSVG, jqPluginContextMenu, jqPluginJPicker\n].reduce(($, cb) => cb($), jQuery);\n\n/*\nif (!$.loadingStylesheets) {\n  $.loadingStylesheets = [];\n}\n*/\nconst stylesheet = 'svg-editor.css';\nif (!$.loadingStylesheets.includes(stylesheet)) {\n  $.loadingStylesheets.push(stylesheet);\n}\nconst favicon = 'images/logo.png';\nif ($.loadingStylesheets.some((item) => {\n  return !Array.isArray(item) || item[0] !== favicon;\n})) {\n  $.loadingStylesheets.push([favicon, {favicon: true}]);\n}\n\n// EDITOR PROPERTIES: (defined below)\n//    curPrefs, curConfig, canvas, storage, uiStrings\n//\n// STATE MAINTENANCE PROPERTIES\n/**\n* @type {Float}\n*/\neditor.tool_scale = 1; // Dependent on icon size, so any use to making configurable instead? Used by `jQuery.SpinButton.js`\n/**\n* @type {Integer}\n*/\neditor.exportWindowCt = 0;\n/**\n* @type {boolean}\n*/\neditor.langChanged = false;\n/**\n* @type {boolean}\n*/\neditor.showSaveWarning = false;\n/**\n* @type {boolean}\n*/\neditor.storagePromptClosed = false; // For use with ext-storage.js\n\nconst callbacks = [],\n  /**\n  * @typedef {\"s\"|\"m\"|\"l\"|\"xl\"|Float} module:SVGEditor.IconSize\n  */\n  /**\n  * Preferences\n  * @interface module:SVGEditor.Prefs\n  * @property {string} [lang=\"en\"] Two-letter language code. The language must exist in the Editor Preferences language list. Defaults to \"en\" if `locale.js` detection does not detect another language.\n  * @property {module:SVGEditor.IconSize} [iconsize=\"s\"|\"m\"] Size of the toolbar icons. Will default to 's' if the window height is smaller than the minimum height and 'm' otherwise.\n  * @property {string} [bkgd_color=\"#FFF\"] Color hex for canvas background color. Defaults to white.\n  * @property {string} [bkgd_url=\"\"] Background raster image URL. This image will fill the background of the document; useful for tracing purposes.\n  * @property {\"embed\"|\"ref\"} [img_save=\"embed\"] Defines whether included raster images should be saved as Data URIs when possible, or as URL references. Settable in the Document Properties dialog.\n  * @property {boolean} [save_notice_done=false] Used to track alert status\n  * @property {boolean} [export_notice_done=false] Used to track alert status\n  * @todo `save_notice_done` and `export_notice_done` should be changed to flags rather than preferences\n  */\n  /**\n  * @namespace {module:SVGEditor.Prefs} defaultPrefs\n  * @memberof module:SVGEditor~\n  * @implements {module:SVGEditor.Prefs}\n  */\n  // The iteration algorithm for defaultPrefs does not currently support array/objects\n  defaultPrefs = /** @lends module:SVGEditor~defaultPrefs */ {\n    // EDITOR OPTIONS (DIALOG)\n    /**\n    * Default to \"en\" if locale.js detection does not detect another language\n    */\n    lang: '',\n    /**\n    * Will default to 's' if the window height is smaller than the minimum height and\n    * 'm' otherwise\n    */\n    iconsize: '',\n    bkgd_color: '#FFF',\n    bkgd_url: '',\n    // DOCUMENT PROPERTIES (DIALOG)\n    img_save: 'embed',\n    // ALERT NOTICES\n    // Only shows in UI as far as alert notices, but useful to remember, so keeping as pref\n    save_notice_done: false,\n    export_notice_done: false\n  },\n  /**\n  * @name module:SVGEditor~defaultExtensions\n  * @type {string[]}\n  */\n  defaultExtensions = [\n    'ext-connector.js',\n    'ext-eyedropper.js',\n    'ext-grid.js',\n    'ext-imagelib.js',\n    'ext-markers.js',\n    'ext-overview_window.js',\n    'ext-panning.js',\n    'ext-polygon.js',\n    'ext-shapes.js',\n    'ext-star.js',\n    'ext-storage.js'\n  ],\n  /**\n  * @typedef {\"@default\"|string} module:SVGEditor.Stylesheet `@default` will automatically load all of the default CSS paths for SVGEditor\n  */\n  /**\n  * @typedef {GenericArray} module:SVGEditor.XYDimensions\n  * @property {Integer} length 2\n  * @property {Float} 0\n  * @property {Float} 1\n  */\n  /**\n  * @tutorial ConfigOptions\n  * @interface module:SVGEditor.Config\n  * @property {string} [canvasName=\"default\"] Used to namespace storage provided via `ext-storage.js`; you can use this if you wish to have multiple independent instances of SVG Edit on the same domain\n  * @property {boolean} [no_save_warning=false] If `true`, prevents the warning dialog box from appearing when closing/reloading the page. Mostly useful for testing.\n  * @property {string} [imgPath=\"images/\"] The path where the SVG icons are located, with trailing slash. Note that as of version 2.7, this is not configurable by URL for security reasons.\n  * @property {string} [langPath=\"locale/\"] The path where the language files are located, with trailing slash. Default will be changed to `../dist/locale/` if this is a modular load. Note that as of version 2.7, this is not configurable by URL for security reasons.\n  * @property {string} [extPath=\"extensions/\"] The path used for extension files, with trailing slash. Default will be changed to `../dist/extensions/` if this is a modular load. Note that as of version 2.7, this is not configurable by URL for security reasons.\n  * @property {string} [canvgPath=\"canvg/\"] The path used for `canvg` files, with trailing slash. Default will be changed to `../dist/` if this is a modular load.\n  * @property {string} [jspdfPath=\"jspdf/\"] The path used for `jsPDF` files, with trailing slash. Default will be changed to `../dist/` if this is a modular load.\n  * @property {string} [extIconsPath=\"extensions/\"] The path used for extension icons, with trailing slash.\n  * @property {string} [jGraduatePath=\"jgraduate/images/\"] The path where jGraduate images are located. Note that as of version 2.7, this is not configurable by URL for security reasons.\n  * @property {boolean} [preventAllURLConfig=false] Set to `true` to override the ability for URLs to set non-content configuration (including extension config). Must be set early, i.e., in `svgedit-config-iife.js`; extension loading is too late!\n  * @property {boolean} [preventURLContentLoading=false] Set to `true` to override the ability for URLs to set URL-based SVG content. Must be set early, i.e., in `svgedit-config-iife.js`; extension loading is too late!\n  * @property {boolean} [lockExtensions=false] Set to `true` to override the ability for URLs to set their own extensions; disallowed in URL setting. There is no need for this when `preventAllURLConfig` is used. Must be set early, i.e., in `svgedit-config-iife.js`; extension loading is too late!\n  * @property {boolean} [noDefaultExtensions=false] If set to `true`, prohibits automatic inclusion of default extensions (though \"extensions\" can still be used to add back any desired default extensions along with any other extensions). This can only be meaningfully used in `svgedit-config-iife.js` or in the URL\n  * @property {boolean} [noStorageOnLoad=false] Some interaction with `ext-storage.js`; prevent even the loading of previously saved local storage.\n  * @property {boolean} [forceStorage=false] Some interaction with `ext-storage.js`; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not (and may be required by law in some regions)\n  * @property {boolean} [emptyStorageOnDecline=false] Used by `ext-storage.js`; empty any prior storage if the user declines to store\n  * @property {string[]} [extensions=module:SVGEditor~defaultExtensions] Extensions to load on startup. Use an array in `setConfig` and comma separated file names in the URL. Extension names must begin with \"ext-\". Note that as of version 2.7, paths containing \"/\", \"\\\", or \":\", are disallowed for security reasons. Although previous versions of this list would entirely override the default list, as of version 2.7, the defaults will always be added to this explicit list unless the configuration `noDefaultExtensions` is included.\n  * @property {module:SVGEditor.Stylesheet[]} [stylesheets=[\"@default\"]] An array of required stylesheets to load in parallel; include the value `\"@default\"` within this array to ensure all default stylesheets are loaded.\n  * @property {string[]} [allowedOrigins=[]] Used by `ext-xdomain-messaging.js` to indicate which origins are permitted for cross-domain messaging (e.g., between the embedded editor and main editor code). Besides explicit domains, one might add '*' to allow all domains (not recommended for privacy/data integrity of your user's content!), `window.location.origin` for allowing the same origin (should be safe if you trust all apps on your domain), 'null' to allow `file:///` URL usage\n  * @property {null|PlainObject} [colorPickerCSS=null] Object of CSS properties mapped to values (for jQuery) to apply to the color picker. See {@link http://api.jquery.com/css/#css-properties}. A `null` value (the default) will cause the CSS to default to `left` with a position equal to that of the `fill_color` or `stroke_color` element minus 140, and a `bottom` equal to 40\n  * @property {string} [paramurl] This was available via URL only. Allowed an un-encoded URL within the query string (use \"url\" or \"source\" with a data: URI instead)\n  * @property {Float} [canvas_expansion=3] The minimum area visible outside the canvas, as a multiple of the image dimensions. The larger the number, the more one can scroll outside the canvas.\n  * @property {PlainObject} [initFill] Init fill properties\n  * @property {string} [initFill.color=\"FF0000\"] The initial fill color. Must be a hex code string. Defaults to solid red.\n  * @property {Float} [initFill.opacity=1] The initial fill opacity. Must be a number between 0 and 1\n  * @property {PlainObject} [initStroke] Init stroke properties\n  * @property {Float} [initStroke.width=5] The initial stroke width. Must be a positive number.\n  * @property {string} [initStroke.color=\"000000\"] The initial stroke color. Must be a hex code. Defaults to solid black.\n  * @property {Float} [initStroke.opacity=1] The initial stroke opacity. Must be a number between 0 and 1.\n  * @property {PlainObject} text Text style properties\n  * @property {Float} [text.stroke_width=0] Text stroke width\n  * @property {Float} [text.font_size=24] Text font size\n  * @property {string} [text.font_family=\"serif\"] Text font family\n  * @property {Float} [initOpacity=1] Initial opacity (multiplied by 100)\n  * @property {module:SVGEditor.XYDimensions} [dimensions=[640, 480]] The default width/height of a new document. Use an array in `setConfig` (e.g., `[800, 600]`) and comma separated numbers in the URL.\n  * @property {boolean} [gridSnapping=false] Enable snap to grid by default. Set in Editor Options.\n  * @property {string} [gridColor=\"#000\"] Accepts hex, e.g., '#000'. Set in Editor Options. Defaults to black.\n  * @property {string} [baseUnit=\"px\"] Set in Editor Options.\n  * @property {Float} [snappingStep=10] Set the default grid snapping value. Set in Editor Options.\n  * @property {boolean} [showRulers=true] Initial state of ruler display (v2.6). Set in Editor Options.\n  * @property {string} [initTool=\"select\"] The initially selected tool. Must be either the ID of the button for the tool, or the ID without `tool_` prefix (e.g., \"select\").\n  * @property {boolean} [wireframe=false] Start in wireframe mode\n  * @property {boolean} [showlayers=false] Open the layers side-panel by default.\n  * @property {\"new\"|\"same\"} [exportWindowType=\"new\"] Can be \"new\" or \"same\" to indicate whether new windows will be generated for each export; the `window.name` of the export window is namespaced based on the `canvasName` (and incremented if \"new\" is selected as the type). Introduced 2.8.\n  * @property {boolean} [showGrid=false] Set by `ext-grid.js`; determines whether or not to show the grid by default\n  * @property {boolean} [show_outside_canvas=true] Defines whether or not elements outside the canvas should be visible. Set and used in `svgcanvas.js`.\n  * @property {boolean} [selectNew=true] If true, will replace the selection with the current element and automatically select element objects (when not in \"path\" mode) after they are created, showing their grips (v2.6). Set and used in `svgcanvas.js` (`mouseUp`).\n  * @todo Some others could be preferences as well (e.g., preventing URL changing of extensions, defaultExtensions, stylesheets, colorPickerCSS); Change the following to preferences and add pref controls where missing to the UI (e.g., `canvas_expansion`, `initFill`, `initStroke`, `text`, `initOpacity`, `dimensions`, `initTool`, `wireframe`, `showlayers`, `gridSnapping`, `gridColor`, `baseUnit`, `snappingStep`, `showRulers`, `exportWindowType`, `showGrid`, `show_outside_canvas`, `selectNew`)?\n  */\n  /**\n  * @namespace {module:SVGEditor.Config} defaultConfig\n  * @memberof module:SVGEditor~\n  * @implements {module:SVGEditor.Config}\n  */\n  defaultConfig = {\n    canvasName: 'default',\n    canvas_expansion: 3,\n    initFill: {\n      color: 'FF0000', // solid red\n      opacity: 1\n    },\n    initStroke: {\n      width: 5,\n      color: '000000', // solid black\n      opacity: 1\n    },\n    text: {\n      stroke_width: 0,\n      font_size: 24,\n      font_family: 'serif'\n    },\n    initOpacity: 1,\n    colorPickerCSS: null, // Defaults to 'left' with a position equal to that of the fill_color or stroke_color element minus 140, and a 'bottom' equal to 40\n    initTool: 'select',\n    exportWindowType: 'new', // 'same' (todo: also support 'download')\n    wireframe: false,\n    showlayers: false,\n    no_save_warning: false,\n    // PATH CONFIGURATION\n    // The following path configuration items are disallowed in the URL (as should any future path configurations)\n    imgPath: 'images/',\n    langPath: 'locale/', // Default will be changed if this is a modular load\n    extPath: 'extensions/', // Default will be changed if this is a modular load\n    canvgPath: 'canvg/', // Default will be changed if this is a modular load\n    jspdfPath: 'jspdf/', // Default will be changed if this is a modular load\n    extIconsPath: 'extensions/',\n    jGraduatePath: 'jgraduate/images/',\n    // DOCUMENT PROPERTIES\n    // Change the following to a preference (already in the Document Properties dialog)?\n    dimensions: [640, 480],\n    // EDITOR OPTIONS\n    // Change the following to preferences (already in the Editor Options dialog)?\n    gridSnapping: false,\n    gridColor: '#000',\n    baseUnit: 'px',\n    snappingStep: 10,\n    showRulers: true,\n    // URL BEHAVIOR CONFIGURATION\n    preventAllURLConfig: false,\n    preventURLContentLoading: false,\n    // EXTENSION CONFIGURATION (see also preventAllURLConfig)\n    lockExtensions: false, // Disallowed in URL setting\n    noDefaultExtensions: false, // noDefaultExtensions can only be meaningfully used in `svgedit-config-iife.js` or in the URL\n    // EXTENSION-RELATED (GRID)\n    showGrid: false, // Set by ext-grid.js\n    // EXTENSION-RELATED (STORAGE)\n    noStorageOnLoad: false, // Some interaction with ext-storage.js; prevent even the loading of previously saved local storage\n    forceStorage: false, // Some interaction with ext-storage.js; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not\n    emptyStorageOnDecline: false // Used by ext-storage.js; empty any prior storage if the user declines to store\n  },\n  /**\n  * LOCALE\n  * @name module:SVGEditor.uiStrings\n  * @type {PlainObject}\n  */\n  uiStrings = editor.uiStrings = {};\n\nlet svgCanvas, urldata,\n  isReady = false,\n  customExportImage = false,\n  customExportPDF = false,\n  curPrefs = {},\n  // Note: The difference between Prefs and Config is that Prefs\n  //   can be changed in the UI and are stored in the browser,\n  //   while config cannot\n  curConfig = {\n    // We do not put on defaultConfig to simplify object copying\n    //   procedures (we obtain instead from defaultExtensions)\n    extensions: [],\n    stylesheets: [],\n    /**\n    * Can use `location.origin` to indicate the current\n    * origin. Can contain a '*' to allow all domains or 'null' (as\n    * a string) to support all `file:///` URLs. Cannot be set by\n    * URL for security reasons (not safe, at least for\n    * privacy or data integrity of SVG content).\n    * Might have been fairly safe to allow\n    *   `new URL(location.href).origin` by default but\n    *   avoiding it ensures some more security that even third\n    *   party apps on the same domain also cannot communicate\n    *   with this app by default.\n    * For use with `ext-xdomain-messaging.js`\n    * @todo We might instead make as a user-facing preference.\n    */\n    allowedOrigins: []\n  };\n\nfunction loadSvgString (str, callback) {\n  const success = svgCanvas.setSvgString(str) !== false;\n  callback = callback || $.noop;\n  if (success) {\n    callback(true); // eslint-disable-line standard/no-callback-literal\n  } else {\n    $.alert(uiStrings.notification.errorLoadingSVG, function () {\n      callback(false); // eslint-disable-line standard/no-callback-literal\n    });\n  }\n}\n\n/**\n * @function module:SVGEditor~getImportLocale\n * @param {string} defaultLang\n * @param {string} defaultName\n * @returns {module:SVGEditor~ImportLocale}\n */\nfunction getImportLocale ({defaultLang, defaultName}) {\n  /**\n   * @function module:SVGEditor~ImportLocale\n   * @param {string} [name] Defaults to `defaultName` of {@link module:SVGEditor~getImportLocale}\n   * @param {string} [lang=defaultLang] Defaults to `defaultLang` of {@link module:SVGEditor~getImportLocale}\n   * @returns {Promise} Resolves to {@link module:locale.LocaleStrings}\n   */\n  return async function importLocale ({name = defaultName, lang = defaultLang} = {}) {\n    async function importLocale (lang) {\n      const url = `${curConfig.extPath}ext-locale/${name}/${lang}.js`;\n      return importSetGlobalDefault(url, {\n        global: `svgEditorExtensionLocale_${name}_${lang}`\n      });\n    }\n    try {\n      return importLocale(lang);\n    } catch (err) {\n      return importLocale('en');\n    }\n  };\n}\n\n/**\n* EXPORTS\n*/\n\n/**\n* Store and retrieve preferences\n* @param {string} key The preference name to be retrieved or set\n* @param {string} [val] The value. If the value supplied is missing or falsey, no change to the preference will be made.\n* @returns {string} If val is missing or falsey, the value of the previously stored preference will be returned.\n* @todo Can we change setting on the jQuery namespace (onto editor) to avoid conflicts?\n* @todo Review whether any remaining existing direct references to\n*  getting `curPrefs` can be changed to use `$.pref()` getting to ensure\n*  `defaultPrefs` fallback (also for sake of `allowInitialUserOverride`); specifically, `bkgd_color` could be changed so that\n*  the pref dialog has a button to auto-calculate background, but otherwise uses `$.pref()` to be able to get default prefs\n*  or overridable settings\n*/\n$.pref = function (key, val) {\n  if (val) {\n    curPrefs[key] = val;\n    /**\n    * @name curPrefs\n    * @memberof module:SVGEditor\n    * @implements {module:SVGEditor.Prefs}\n    */\n    editor.curPrefs = curPrefs; // Update exported value\n    return;\n  }\n  return (key in curPrefs) ? curPrefs[key] : defaultPrefs[key];\n};\n\n/*\n* EDITOR PUBLIC METHODS\n// Todo: Sort these methods per invocation order, ideally with init at the end\n// Todo: Prevent execution until init executes if dependent on it?\n*/\neditor.putLocale = putLocale;\neditor.readLang = readLang;\neditor.setStrings = setStrings;\n\n/**\n* Where permitted, sets canvas and/or `defaultPrefs` based on previous\n*  storage. This will override URL settings (for security reasons) but\n*  not `svgedit-config-iife.js` configuration (unless initial user\n*  overriding is explicitly permitted there via `allowInitialUserOverride`).\n* @todo Split `allowInitialUserOverride` into `allowOverrideByURL` and\n*  `allowOverrideByUserStorage` so `svgedit-config-iife.js` can disallow some\n*  individual items for URL setting but allow for user storage AND/OR\n*  change URL setting so that it always uses a different namespace,\n*  so it won't affect pre-existing user storage (but then if users saves\n*  that, it will then be subject to tampering\n* @returns {undefined}\n*/\neditor.loadContentAndPrefs = function () {\n  if (!curConfig.forceStorage &&\n    (curConfig.noStorageOnLoad ||\n        !document.cookie.match(/(?:^|;\\s*)store=(?:prefsAndContent|prefsOnly)/)\n    )\n  ) {\n    return;\n  }\n\n  // LOAD CONTENT\n  if (editor.storage && // Cookies do not have enough available memory to hold large documents\n    (curConfig.forceStorage ||\n      (!curConfig.noStorageOnLoad &&\n        document.cookie.match(/(?:^|;\\s*)store=prefsAndContent/))\n    )\n  ) {\n    const name = 'svgedit-' + curConfig.canvasName;\n    const cached = editor.storage.getItem(name);\n    if (cached) {\n      editor.loadFromString(cached);\n    }\n  }\n\n  // LOAD PREFS\n  for (const key in defaultPrefs) {\n    if (defaultPrefs.hasOwnProperty(key)) { // It's our own config, so we don't need to iterate up the prototype chain\n      const storeKey = 'svg-edit-' + key;\n      if (editor.storage) {\n        const val = editor.storage.getItem(storeKey);\n        if (val) {\n          defaultPrefs[key] = String(val); // Convert to string for FF (.value fails in Webkit)\n        }\n      } else if (window.widget) {\n        defaultPrefs[key] = window.widget.preferenceForKey(storeKey);\n      } else {\n        const result = document.cookie.match(new RegExp('(?:^|;\\\\s*)' + Utils.regexEscape(encodeURIComponent(storeKey)) + '=([^;]+)'));\n        defaultPrefs[key] = result ? decodeURIComponent(result[1]) : '';\n      }\n    }\n  }\n};\n\n/**\n* Allows setting of preferences or configuration (including extensions).\n* @param {module:SVGEditor.Config|module:SVGEditor.Prefs} opts The preferences or configuration (including extensions). See the tutorial on {@tutorial ConfigOptions} for info on config and preferences.\n* @param {PlainObject} [cfgCfg] Describes configuration which applies to the\n*    particular batch of supplied options\n* @param {boolean} [cfgCfg.allowInitialUserOverride=false] Set to true if you wish\n*  to allow initial overriding of settings by the user via the URL\n*  (if permitted) or previously stored preferences (if permitted);\n*  note that it will be too late if you make such calls in extension\n*  code because the URL or preference storage settings will\n*   have already taken place.\n* @param {boolean} [cfgCfg.overwrite=true] Set to false if you wish to\n*  prevent the overwriting of prior-set preferences or configuration\n*  (URL settings will always follow this requirement for security\n*  reasons, so `svgedit-config-iife.js` settings cannot be overridden unless it\n*  explicitly permits via `allowInitialUserOverride` but extension config\n*  can be overridden as they will run after URL settings). Should\n*   not be needed in `svgedit-config-iife.js`.\n* @returns {undefined}\n*/\neditor.setConfig = function (opts, cfgCfg) {\n  cfgCfg = cfgCfg || {};\n  function extendOrAdd (cfgObj, key, val) {\n    if (cfgObj[key] && typeof cfgObj[key] === 'object') {\n      $.extend(true, cfgObj[key], val);\n    } else {\n      cfgObj[key] = val;\n    }\n  }\n  $.each(opts, function (key, val) {\n    if (opts.hasOwnProperty(key)) {\n      // Only allow prefs defined in defaultPrefs\n      if (defaultPrefs.hasOwnProperty(key)) {\n        if (cfgCfg.overwrite === false && (\n          curConfig.preventAllURLConfig ||\n          curPrefs.hasOwnProperty(key)\n        )) {\n          return;\n        }\n        if (cfgCfg.allowInitialUserOverride === true) {\n          defaultPrefs[key] = val;\n        } else {\n          $.pref(key, val);\n        }\n      } else if (['extensions', 'stylesheets', 'allowedOrigins'].includes(key)) {\n        if (cfgCfg.overwrite === false &&\n          (\n            curConfig.preventAllURLConfig ||\n            ['allowedOrigins', 'stylesheets'].includes(key) ||\n            (key === 'extensions' && curConfig.lockExtensions)\n          )\n        ) {\n          return;\n        }\n        curConfig[key] = curConfig[key].concat(val); // We will handle any dupes later\n      // Only allow other curConfig if defined in defaultConfig\n      } else if (defaultConfig.hasOwnProperty(key)) {\n        if (cfgCfg.overwrite === false && (\n          curConfig.preventAllURLConfig ||\n          curConfig.hasOwnProperty(key)\n        )) {\n          return;\n        }\n        // Potentially overwriting of previously set config\n        if (curConfig.hasOwnProperty(key)) {\n          if (cfgCfg.overwrite === false) {\n            return;\n          }\n          extendOrAdd(curConfig, key, val);\n        } else {\n          if (cfgCfg.allowInitialUserOverride === true) {\n            extendOrAdd(defaultConfig, key, val);\n          } else {\n            if (defaultConfig[key] && typeof defaultConfig[key] === 'object') {\n              curConfig[key] = {};\n              $.extend(true, curConfig[key], val); // Merge properties recursively, e.g., on initFill, initStroke objects\n            } else {\n              curConfig[key] = val;\n            }\n          }\n        }\n      }\n    }\n  });\n  /**\n  * @name curConfig\n  * @memberof module:SVGEditor\n  * @implements {module:SVGEditor.Config}\n  */\n  editor.curConfig = curConfig; // Update exported value\n};\n\n/**\n* All methods are optional\n* @interface module:SVGEditor.CustomHandler\n* @type {PlainObject}\n*/\n/**\n* Its responsibilities are:\n*  - invoke a file chooser dialog in 'open' mode\n*  - let user pick a SVG file\n*  - calls [svgCanvas.setSvgString()]{@link module:svgcanvas.SvgCanvas#setSvgString} with the string contents of that file.\n* Not passed any parameters.\n* @function module:SVGEditor.CustomHandler#open\n* @returns {undefined}\n*/\n/**\n* Its responsibilities are:\n*  - accept the string contents of the current document\n*  - invoke a file chooser dialog in 'save' mode\n*  - save the file to location chosen by the user\n* @function module:SVGEditor.CustomHandler#save\n* @param {external:Window} win\n* @param {module:svgcanvas.SvgCanvas#event:saved} svgStr A string of the SVG\n* @listens module:svgcanvas.SvgCanvas#event:saved\n* @returns {undefined}\n*/\n/**\n* Its responsibilities (with regard to the object it is supplied in its 2nd argument) are:\n*  - inform user of any issues supplied via the \"issues\" property\n*  - convert the \"svg\" property SVG string into an image for export;\n*    utilize the properties \"type\" (currently 'PNG', 'JPEG', 'BMP',\n*    'WEBP', 'PDF'), \"mimeType\", and \"quality\" (for 'JPEG' and 'WEBP'\n*    types) to determine the proper output.\n* @function module:SVGEditor.CustomHandler#exportImage\n* @param {external:Window} win\n* @param {module:svgcanvas.SvgCanvas#event:exported} data\n* @listens module:svgcanvas.SvgCanvas#event:exported\n* @returns {undefined}\n*/\n/**\n* @function module:SVGEditor.CustomHandler#exportPDF\n* @param {external:Window} win\n* @param {module:svgcanvas.SvgCanvas#event:exportedPDF} data\n* @listens module:svgcanvas.SvgCanvas#event:exportedPDF\n* @returns {undefined}\n*/\n\n/**\n* Allows one to override default SVGEdit `open`, `save`, and\n* `export` editor behaviors.\n* @param {module:SVGEditor.CustomHandler} opts Extension mechanisms may call `setCustomHandlers` with three functions: `opts.open`, `opts.save`, and `opts.exportImage`\n* @returns {undefined}\n*/\neditor.setCustomHandlers = function (opts) {\n  editor.ready(function () {\n    if (opts.open) {\n      $('#tool_open > input[type=\"file\"]').remove();\n      $('#tool_open').show();\n      svgCanvas.open = opts.open;\n    }\n    if (opts.save) {\n      editor.showSaveWarning = false;\n      svgCanvas.bind('saved', opts.save);\n    }\n    if (opts.exportImage) {\n      customExportImage = opts.exportImage;\n      svgCanvas.bind('exported', customExportImage); // canvg and our RGBColor will be available to the method\n    }\n    if (opts.exportPDF) {\n      customExportPDF = opts.exportPDF;\n      svgCanvas.bind('exportedPDF', customExportPDF); // jsPDF and our RGBColor will be available to the method\n    }\n  });\n};\n\n/**\n* @param {boolean} arg\n* @returns {undefined}\n*/\neditor.randomizeIds = function (arg) {\n  return svgCanvas.randomizeIds(arg);\n};\n\n/**\n* Auto-run after a Promise microtask\n* @returns {undefined}\n*/\neditor.init = function () {\n  const modularVersion = !('svgEditor' in window) ||\n    !window.svgEditor ||\n    window.svgEditor.modules !== false;\n  if (!modularVersion) {\n    Object.assign(defaultConfig, {\n      langPath: '../dist/locale/',\n      extPath: '../dist/extensions/',\n      canvgPath: '../dist/',\n      jspdfPath: '../dist/'\n    });\n  }\n\n  // const host = location.hostname,\n  //  onWeb = host && host.includes('.');\n  // Some FF versions throw security errors here when directly accessing\n  try {\n    if ('localStorage' in window) { // && onWeb removed so Webkit works locally\n      /**\n      * The built-in interface implemented by `localStorage`\n      * @external Storage\n      */\n      /**\n      * @name storage\n      * @memberof module:SVGEditor\n      * @type {external:Storage}\n      */\n      editor.storage = localStorage;\n    }\n  } catch (err) {}\n\n  // Todo: Avoid const-defined functions and group functions together, etc. where possible\n  const goodLangs = [];\n  $('#lang_select option').each(function () {\n    goodLangs.push(this.value);\n  });\n\n  function setupCurPrefs () {\n    curPrefs = $.extend(true, {}, defaultPrefs, curPrefs); // Now safe to merge with priority for curPrefs in the event any are already set\n    // Export updated prefs\n    editor.curPrefs = curPrefs;\n  }\n  function setupCurConfig () {\n    curConfig = $.extend(true, {}, defaultConfig, curConfig); // Now safe to merge with priority for curConfig in the event any are already set\n\n    // Now deal with extensions and other array config\n    if (!curConfig.noDefaultExtensions) {\n      curConfig.extensions = curConfig.extensions.concat(defaultExtensions);\n    }\n    // ...and remove any dupes\n    ['extensions', 'stylesheets', 'allowedOrigins'].forEach(function (cfg) {\n      curConfig[cfg] = $.grep(curConfig[cfg], function (n, i) { // Supposedly faster than filter per http://amandeep1986.blogspot.hk/2015/02/jquery-grep-vs-js-filter.html\n        return i === curConfig[cfg].indexOf(n);\n      });\n    });\n    // Export updated config\n    editor.curConfig = curConfig;\n  }\n  (() => {\n    // Load config/data from URL if given\n    let src, qstr;\n    urldata = $.deparam.querystring(true);\n    if (!$.isEmptyObject(urldata)) {\n      if (urldata.dimensions) {\n        urldata.dimensions = urldata.dimensions.split(',');\n      }\n\n      if (urldata.bkgd_color) {\n        urldata.bkgd_color = '#' + urldata.bkgd_color;\n      }\n\n      if (urldata.extensions) {\n        // For security reasons, disallow cross-domain or cross-folder extensions via URL\n        urldata.extensions = urldata.extensions.match(/[:/\\\\]/) ? '' : urldata.extensions.split(',');\n      }\n\n      // Disallowing extension paths via URL for\n      // security reasons, even for same-domain\n      // ones given potential to interact in undesirable\n      // ways with other script resources\n      [\n        'extPath', 'imgPath', 'extIconsPath', 'canvgPath',\n        'langPath', 'jGraduatePath', 'jspdfPath'\n      ].forEach(function (pathConfig) {\n        if (urldata[pathConfig]) {\n          delete urldata[pathConfig];\n        }\n      });\n\n      editor.setConfig(urldata, {overwrite: false}); // Note: source and url (as with storagePrompt later) are not set on config but are used below\n\n      setupCurConfig();\n\n      if (!curConfig.preventURLContentLoading) {\n        src = urldata.source;\n        qstr = $.param.querystring();\n        if (!src) { // urldata.source may have been null if it ended with '='\n          if (qstr.includes('source=data:')) {\n            src = qstr.match(/source=(data:[^&]*)/)[1];\n          }\n        }\n        if (src) {\n          if (src.startsWith('data:')) {\n            editor.loadFromDataURI(src);\n          } else {\n            editor.loadFromString(src);\n          }\n          return;\n        }\n        if (urldata.url) {\n          editor.loadFromURL(urldata.url);\n          return;\n        }\n      }\n      if (!urldata.noStorageOnLoad || curConfig.forceStorage) {\n        editor.loadContentAndPrefs();\n      }\n    } else {\n      setupCurConfig();\n      editor.loadContentAndPrefs();\n    }\n    setupCurPrefs();\n  })();\n\n  /**\n  * Called internally\n  * @param {string|Element|external:jQuery} elem\n  * @param {string|external:jQuery} iconId\n  * @param {Float} forcedSize Not in use\n  * @returns {undefined}\n  */\n  const setIcon = editor.setIcon = function (elem, iconId, forcedSize) {\n    const icon = (typeof iconId === 'string') ? $.getSvgIcon(iconId, true) : iconId.clone();\n    if (!icon) {\n      console.log('NOTE: Icon image missing: ' + iconId);\n      return;\n    }\n    $(elem).empty().append(icon);\n  };\n\n  /**\n   * @fires module:svgcanvas.SvgCanvas#event:ext-addLangData\n   * @fires module:svgcanvas.SvgCanvas#event:ext-langReady\n   * @fires module:svgcanvas.SvgCanvas#event:ext-langChanged\n   * @fires module:svgcanvas.SvgCanvas#event:extensions_added\n   * @returns {Promise} Resolves to result of {@link module:locale.readLang}\n   */\n  const extAndLocaleFunc = async function () {\n    // const lang = ('lang' in curPrefs) ? curPrefs.lang : null;\n    const {langParam, langData} = await editor.putLocale(null, goodLangs, curConfig);\n    setLang(langParam, langData);\n\n    try {\n      await Promise.all(\n        curConfig.extensions.map(async (extname) => {\n          const extName = extname.match(/^ext-(.+)\\.js/);\n          if (!extName) { // Ensure URL cannot specify some other unintended file in the extPath\n            return;\n          }\n          const url = curConfig.extPath + extname;\n          // Todo: Replace this with `return import(url);` when\n          //   `import()` widely supported\n          /**\n           * @tutorial ExtensionDocs\n           * @typedef {PlainObject} module:SVGEditor.ExtensionObject\n           * @property {string} [name] Name of the extension. Used internally; no need for i18n. Defaults to extension name without beginning \"ext-\" or ending \".js\".\n           * @property {module:svgcanvas.ExtensionInitCallback} [init]\n           */\n          try {\n            /**\n             * @type {module:SVGEditor.ExtensionObject}\n             */\n            const imported = await importSetGlobalDefault(url, {\n              global: 'svgEditorExtension_' + extName[1].replace(/-/g, '_')\n            });\n            const {name = extName[1], init} = imported;\n            const importLocale = getImportLocale({defaultLang: langParam, defaultName: name});\n            return editor.addExtension(name, (init && init.bind(editor)), importLocale);\n          } catch (err) {\n            console.log(err);\n            console.error('Extension failed to load: ' + extname + '; ' + err);\n          }\n        })\n      );\n      svgCanvas.bind('extensions_added',\n        /**\n        * @param {external:Window} win\n        * @param {module:svgcanvas.SvgCanvas#event:extensions_added} data\n        * @listens module:svgcanvas.SvgCanvas#event:extensions_added\n        * @returns {undefined}\n        */\n        (win, data) => {\n          extensionsAdded = true;\n          Actions.setAll();\n\n          $('.flyout_arrow_horiz:empty').each(function () {\n            $(this).append($.getSvgIcon('arrow_right', true).width(5).height(5));\n          });\n          messageQueue.forEach(\n            /**\n             * @param {module:svgcanvas.SvgCanvas#event:message} messageObj\n             * @fires module:svgcanvas.SvgCanvas#event:message\n             * @returns {undefined}\n             */\n            (messageObj) => {\n              svgCanvas.call('message', messageObj);\n            }\n          );\n        }\n      );\n      svgCanvas.call('extensions_added');\n    } catch (err) {\n      console.log(err);\n    }\n  };\n\n  const stateObj = {tool_scale: editor.tool_scale};\n\n  const setFlyoutPositions = function () {\n    $('.tools_flyout').each(function () {\n      const shower = $('#' + this.id + '_show');\n      const {left, top} = shower.offset();\n      const w = shower.outerWidth();\n      $(this).css({left: (left + w) * editor.tool_scale, top});\n    });\n  };\n\n  const uaPrefix = (function () {\n    const regex = /^(Moz|Webkit|Khtml|O|ms|Icab)(?=[A-Z])/;\n    const someScript = document.getElementsByTagName('script')[0];\n    for (const prop in someScript.style) {\n      if (regex.test(prop)) {\n        // test is faster than match, so it's better to perform\n        // that on the lot and match only when necessary\n        return prop.match(regex)[0];\n      }\n    }\n    // Nothing found so far?\n    if ('WebkitOpacity' in someScript.style) { return 'Webkit'; }\n    if ('KhtmlOpacity' in someScript.style) { return 'Khtml'; }\n\n    return '';\n  }());\n\n  const scaleElements = function (elems, scale) {\n    // const prefix = '-' + uaPrefix.toLowerCase() + '-'; // Currently unused\n    const sides = ['top', 'left', 'bottom', 'right'];\n\n    elems.each(function () {\n      // Handled in CSS\n      // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';\n      const el = $(this);\n      const w = el.outerWidth() * (scale - 1);\n      const h = el.outerHeight() * (scale - 1);\n      // const margins = {}; // Currently unused\n\n      for (let i = 0; i < 4; i++) {\n        const s = sides[i];\n        let cur = el.data('orig_margin-' + s);\n        if (cur == null) {\n          cur = parseInt(el.css('margin-' + s), 10);\n          // Cache the original margin\n          el.data('orig_margin-' + s, cur);\n        }\n        let val = cur * scale;\n        if (s === 'right') {\n          val += w;\n        } else if (s === 'bottom') {\n          val += h;\n        }\n\n        el.css('margin-' + s, val);\n        // el.css('outline', '1px solid red');\n      }\n    });\n  };\n\n  /**\n  * Called internally.\n  * @param {module:SVGEditor.IconSize} size\n  * @returns {undefined}\n  */\n  const setIconSize = editor.setIconSize = function (size) {\n    // const elems = $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open');\n    const selToscale = '#tools_top .toolset, #editor_panel > *, #history_panel > *,' +\n  '        #main_button, #tools_left > *, #path_node_panel > *, #multiselected_panel > *,' +\n  '        #g_panel > *, #tool_font_size > *, .tools_flyout';\n\n    const elems = $(selToscale);\n\n    let scale = 1;\n    if (typeof size === 'number') {\n      scale = size;\n    } else {\n      const iconSizes = {s: 0.75, m: 1, l: 1.25, xl: 1.5};\n      scale = iconSizes[size];\n    }\n\n    stateObj.tool_scale = editor.tool_scale = scale;\n\n    setFlyoutPositions();\n    // $('.tools_flyout').each(function () {\n    //   const pos = $(this).position();\n    //   console.log($(this), pos.left+(34 * scale));\n    //   $(this).css({left: pos.left+(34 * scale), top: pos.top+(77 * scale)});\n    //   console.log('l', $(this).css('left'));\n    // });\n    //\n    // const scale = .75;\n\n    const hiddenPs = elems.parents(':hidden');\n    hiddenPs.css('visibility', 'hidden').show();\n    scaleElements(elems, scale);\n    hiddenPs.css('visibility', 'visible').hide();\n    // return;\n\n    $.pref('iconsize', size);\n    $('#iconsize').val(size);\n\n    // Change icon size\n    // $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open')\n    // .find('> svg, > img').each(function () {\n    //   this.setAttribute('width',size_num);\n    //   this.setAttribute('height',size_num);\n    // });\n    //\n    // $.resizeSvgIcons({\n    //   '.flyout_arrow_horiz > svg, .flyout_arrow_horiz > img': size_num / 5,\n    //   '#logo > svg, #logo > img': size_num * 1.3,\n    //   '#tools_bottom .icon_label > *': (size_num === 16 ? 18 : size_num * .75)\n    // });\n    // if (size != 's') {\n    //   $.resizeSvgIcons({'#layerbuttons svg, #layerbuttons img': size_num * .6});\n    // }\n\n    // Note that all rules will be prefixed with '#svg_editor' when parsed\n    const cssResizeRules = {\n      // '.tool_button,\\\n      // .push_button,\\\n      // .tool_button_current,\\\n      // .push_button_pressed,\\\n      // .disabled,\\\n      // .icon_label,\\\n      // .tools_flyout .tool_button': {\n      //   width: {s: '16px', l: '32px', xl: '48px'},\n      //   height: {s: '16px', l: '32px', xl: '48px'},\n      //   padding: {s: '1px', l: '2px', xl: '3px'}\n      // },\n      // '.tool_sep': {\n      //   height: {s: '16px', l: '32px', xl: '48px'},\n      //   margin: {s: '2px 2px', l: '2px 5px', xl: '2px 8px'}\n      // },\n      // '#main_icon': {\n      //   width: {s: '31px', l: '53px', xl: '75px'},\n      //   height: {s: '22px', l: '42px', xl: '64px'}\n      // },\n      '#tools_top': {\n        left: 50 + $('#main_button').width(),\n        height: 72\n      },\n      '#tools_left': {\n        width: 31,\n        top: 74\n      },\n      'div#workarea': {\n        left: 38,\n        top: 74\n      }\n      // '#tools_bottom': {\n      //   left: {s: '27px', l: '46px', xl: '65px'},\n      //   height: {s: '58px', l: '98px', xl: '145px'}\n      // },\n      // '#color_tools': {\n      //   'border-spacing': {s: '0 1px'},\n      //   'margin-top': {s: '-1px'}\n      // },\n      // '#color_tools .icon_label': {\n      //   width: {l:'43px', xl: '60px'}\n      // },\n      // '.color_tool': {\n      //   height: {s: '20px'}\n      // },\n      // '#tool_opacity': {\n      //   top: {s: '1px'},\n      //   height: {s: 'auto', l:'auto', xl:'auto'}\n      // },\n      // '#tools_top input, #tools_bottom input': {\n      //   'margin-top': {s: '2px', l: '4px', xl: '5px'},\n      //   height: {s: 'auto', l: 'auto', xl: 'auto'},\n      //   border: {s: '1px solid #555', l: 'auto', xl: 'auto'},\n      //   'font-size': {s: '.9em', l: '1.2em', xl: '1.4em'}\n      // },\n      // '#zoom_panel': {\n      //   'margin-top': {s: '3px', l: '4px', xl: '5px'}\n      // },\n      // '#copyright, #tools_bottom .label': {\n      //   'font-size': {l: '1.5em', xl: '2em'},\n      //   'line-height': {s: '15px'}\n      // },\n      // '#tools_bottom_2': {\n      //   width: {l: '295px', xl: '355px'},\n      //   top: {s: '4px'}\n      // },\n      // '#tools_top > div, #tools_top': {\n      //   'line-height': {s: '17px', l: '34px', xl: '50px'}\n      // },\n      // '.dropdown button': {\n      //   height: {s: '18px', l: '34px', xl: '40px'},\n      //   'line-height': {s: '18px', l: '34px', xl: '40px'},\n      //   'margin-top': {s: '3px'}\n      // },\n      // '#tools_top label, #tools_bottom label': {\n      //   'font-size': {s: '1em', l: '1.5em', xl: '2em'},\n      //   height: {s: '25px', l: '42px', xl: '64px'}\n      // },\n      // 'div.toolset': {\n      //   height: {s: '25px', l: '42px', xl: '64px'}\n      // },\n      // '#tool_bold, #tool_italic': {\n      //   'font-size': {s: '1.5em', l: '3em', xl: '4.5em'}\n      // },\n      // '#sidepanels': {\n      //   top: {s: '50px', l: '88px', xl: '125px'},\n      //   bottom: {s: '51px', l: '68px', xl: '65px'}\n      // },\n      // '#layerbuttons': {\n      //   width: {l: '130px', xl: '175px'},\n      //   height: {l: '24px', xl: '30px'}\n      // },\n      // '#layerlist': {\n      //   width: {l: '128px', xl: '150px'}\n      // },\n      // '.layer_button': {\n      //   width: {l: '19px', xl: '28px'},\n      //   height: {l: '19px', xl: '28px'}\n      // },\n      // 'input.spin-button': {\n      //   'background-image': {l: 'url('images/spinbtn_updn_big.png')', xl: 'url('images/spinbtn_updn_big.png')'},\n      //   'background-position': {l: '100% -5px', xl: '100% -2px'},\n      //   'padding-right': {l: '24px', xl: '24px' }\n      // },\n      // 'input.spin-button.up': {\n      //   'background-position': {l: '100% -45px', xl: '100% -42px'}\n      // },\n      // 'input.spin-button.down': {\n      //   'background-position': {l: '100% -85px', xl: '100% -82px'}\n      // },\n      // '#position_opts': {\n      //   width: {all: (size_num*4) +'px'}\n      // }\n    };\n\n    let ruleElem = $('#tool_size_rules');\n    if (!ruleElem.length) {\n      ruleElem = $('<style id=\"tool_size_rules\"></style>').appendTo('head');\n    } else {\n      ruleElem.empty();\n    }\n\n    if (size !== 'm') {\n      let styleStr = '';\n      $.each(cssResizeRules, function (selector, rules) {\n        selector = '#svg_editor ' + selector.replace(/,/g, ', #svg_editor');\n        styleStr += selector + '{';\n        $.each(rules, function (prop, values) {\n          let val;\n          if (typeof values === 'number') {\n            val = (values * scale) + 'px';\n          } else if (values[size] || values.all) {\n            val = (values[size] || values.all);\n          }\n          styleStr += (prop + ':' + val + ';');\n        });\n        styleStr += '}';\n      });\n      // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';\n      const prefix = '-' + uaPrefix.toLowerCase() + '-';\n      styleStr += (selToscale + '{' + prefix + 'transform: scale(' + scale + ');}' +\n        ' #svg_editor div.toolset .toolset {' + prefix + 'transform: scale(1); margin: 1px !important;}' + // Hack for markers\n        ' #svg_editor .ui-slider {' + prefix + 'transform: scale(' + (1 / scale) + ');}' // Hack for sliders\n      );\n      ruleElem.text(styleStr);\n    }\n\n    setFlyoutPositions();\n  };\n  $.svgIcons(curConfig.imgPath + 'svg_edit_icons.svg', {\n    w: 24, h: 24,\n    id_match: false,\n    no_img: !isWebkit(), // Opera & Firefox 4 gives odd behavior w/images\n    fallback_path: curConfig.imgPath,\n    fallback: {\n      logo: 'logo.png',\n\n      select: 'select.png',\n      select_node: 'select_node.png',\n\n      square: 'square.png',\n      rect: 'rect.png',\n      fh_rect: 'freehand-square.png',\n      circle: 'circle.png',\n      ellipse: 'ellipse.png',\n      fh_ellipse: 'freehand-circle.png',\n      pencil: 'fhpath.png',\n      pen: 'line.png',\n      text: 'text.png',\n      path: 'path.png',\n      add_subpath: 'add_subpath.png',\n      close_path: 'closepath.png',\n      open_path: 'openpath.png',\n\n      image: 'image.png',\n      zoom: 'zoom.png',\n\n      arrow_right: 'flyouth.png',\n      arrow_right_big: 'arrow_right_big.png',\n      arrow_down: 'dropdown.gif',\n      fill: 'fill.png',\n      stroke: 'stroke.png',\n      opacity: 'opacity.png',\n\n      new_image: 'clear.png',\n      save: 'save.png',\n      export: 'export.png',\n      open: 'open.png',\n      import: 'import.png',\n      docprops: 'document-properties.png',\n      source: 'source.png',\n      wireframe: 'wireframe.png',\n\n      undo: 'undo.png',\n      redo: 'redo.png',\n\n      clone: 'clone.png',\n      delete: 'delete.png',\n      go_up: 'go-up.png',\n      go_down: 'go-down.png',\n      context_menu: 'context_menu.png',\n      move_bottom: 'move_bottom.png',\n      move_top: 'move_top.png',\n      to_path: 'to_path.png',\n      link_controls: 'link_controls.png',\n      reorient: 'reorient.png',\n      group_elements: 'shape_group_elements.png',\n\n      ungroup: 'shape_ungroup.png',\n      unlink_use: 'unlink_use.png',\n      width: 'width.png',\n      height: 'height.png',\n      c_radius: 'c_radius.png',\n      angle: 'angle.png',\n      blur: 'blur.png',\n      fontsize: 'fontsize.png',\n      align: 'align.png',\n\n      align_left: 'align-left.png',\n      align_center: 'align-center.png',\n      align_right: 'align-right.png',\n      align_top: 'align-top.png',\n      align_middle: 'align-middle.png',\n      align_bottom: 'align-bottom.png',\n\n      linecap_butt: 'linecap_butt.png',\n      linecap_square: 'linecap_square.png',\n      linecap_round: 'linecap_round.png',\n      linejoin_miter: 'linejoin_miter.png',\n      linejoin_bevel: 'linejoin_bevel.png',\n      linejoin_round: 'linejoin_round.png',\n      eye: 'eye.png',\n      no_color: 'no_color.png',\n\n      ok: 'save.png',\n      cancel: 'cancel.png',\n      warning: 'warning.png',\n\n      node_delete: 'node_delete.png',\n      node_clone: 'node_clone.png',\n\n      globe_link: 'globe_link.png'\n    },\n    placement: {\n      '#logo': 'logo',\n\n      '#tool_clear div,#layer_new': 'new_image',\n      '#tool_save div': 'save',\n      '#tool_export div': 'export',\n      '#tool_open div div': 'open',\n      '#tool_import div div': 'import',\n      '#tool_source': 'source',\n      '#tool_docprops > div': 'docprops',\n      '#tool_wireframe': 'wireframe',\n\n      '#tool_undo': 'undo',\n      '#tool_redo': 'redo',\n\n      '#tool_select': 'select',\n      '#tool_fhpath': 'pencil',\n      '#tool_line': 'pen',\n      '#tool_rect,#tools_rect_show': 'rect',\n      '#tool_square': 'square',\n      '#tool_fhrect': 'fh_rect',\n      '#tool_ellipse,#tools_ellipse_show': 'ellipse',\n      '#tool_circle': 'circle',\n      '#tool_fhellipse': 'fh_ellipse',\n      '#tool_path': 'path',\n      '#tool_text,#layer_rename': 'text',\n      '#tool_image': 'image',\n      '#tool_zoom': 'zoom',\n\n      '#tool_clone,#tool_clone_multi': 'clone',\n      '#tool_node_clone': 'node_clone',\n      '#layer_delete,#tool_delete,#tool_delete_multi': 'delete',\n      '#tool_node_delete': 'node_delete',\n      '#tool_add_subpath': 'add_subpath',\n      '#tool_openclose_path': 'open_path',\n      '#tool_move_top': 'move_top',\n      '#tool_move_bottom': 'move_bottom',\n      '#tool_topath': 'to_path',\n      '#tool_node_link': 'link_controls',\n      '#tool_reorient': 'reorient',\n      '#tool_group_elements': 'group_elements',\n      '#tool_ungroup': 'ungroup',\n      '#tool_unlink_use': 'unlink_use',\n\n      '#tool_alignleft, #tool_posleft': 'align_left',\n      '#tool_aligncenter, #tool_poscenter': 'align_center',\n      '#tool_alignright, #tool_posright': 'align_right',\n      '#tool_aligntop, #tool_postop': 'align_top',\n      '#tool_alignmiddle, #tool_posmiddle': 'align_middle',\n      '#tool_alignbottom, #tool_posbottom': 'align_bottom',\n      '#cur_position': 'align',\n\n      '#linecap_butt,#cur_linecap': 'linecap_butt',\n      '#linecap_round': 'linecap_round',\n      '#linecap_square': 'linecap_square',\n\n      '#linejoin_miter,#cur_linejoin': 'linejoin_miter',\n      '#linejoin_round': 'linejoin_round',\n      '#linejoin_bevel': 'linejoin_bevel',\n\n      '#url_notice': 'warning',\n\n      '#layer_up': 'go_up',\n      '#layer_down': 'go_down',\n      '#layer_moreopts': 'context_menu',\n      '#layerlist td.layervis': 'eye',\n\n      '#tool_source_save,#tool_docprops_save,#tool_prefs_save': 'ok',\n      '#tool_source_cancel,#tool_docprops_cancel,#tool_prefs_cancel': 'cancel',\n\n      '#rwidthLabel, #iwidthLabel': 'width',\n      '#rheightLabel, #iheightLabel': 'height',\n      '#cornerRadiusLabel span': 'c_radius',\n      '#angleLabel': 'angle',\n      '#linkLabel,#tool_make_link,#tool_make_link_multi': 'globe_link',\n      '#zoomLabel': 'zoom',\n      '#tool_fill label': 'fill',\n      '#tool_stroke .icon_label': 'stroke',\n      '#group_opacityLabel': 'opacity',\n      '#blurLabel': 'blur',\n      '#font_sizeLabel': 'fontsize',\n\n      '.flyout_arrow_horiz': 'arrow_right',\n      '.dropdown button, #main_button .dropdown': 'arrow_down',\n      '#palette .palette_item:first, #fill_bg, #stroke_bg': 'no_color'\n    },\n    resize: {\n      '#logo .svg_icon': 28,\n      '.flyout_arrow_horiz .svg_icon': 5,\n      '.layer_button .svg_icon, #layerlist td.layervis .svg_icon': 14,\n      '.dropdown button .svg_icon': 7,\n      '#main_button .dropdown .svg_icon': 9,\n      '.palette_item:first .svg_icon': 15,\n      '#fill_bg .svg_icon, #stroke_bg .svg_icon': 16,\n      '.toolbar_button button .svg_icon': 16,\n      '.stroke_tool div div .svg_icon': 20,\n      '#tools_bottom label .svg_icon': 18\n    },\n    callback (icons) {\n      $('.toolbar_button button > svg, .toolbar_button button > img').each(function () {\n        $(this).parent().prepend(this);\n      });\n\n      const tleft = $('#tools_left');\n\n      let minHeight;\n      if (tleft.length) {\n        minHeight = tleft.offset().top + tleft.outerHeight();\n      }\n\n      const size = $.pref('iconsize');\n      editor.setIconSize(size || ($(window).height() < minHeight ? 's' : 'm'));\n\n      // Look for any missing flyout icons from plugins\n      $('.tools_flyout').each(function () {\n        const shower = $('#' + this.id + '_show');\n        const sel = shower.attr('data-curopt');\n        // Check if there's an icon here\n        if (!shower.children('svg, img').length) {\n          const clone = $(sel).children().clone();\n          if (clone.length) {\n            clone[0].removeAttribute('style'); // Needed for Opera\n            shower.append(clone);\n          }\n        }\n      });\n\n      function getStylesheetPriority (stylesheet) {\n        switch (stylesheet) {\n        case 'jgraduate/css/jPicker.css':\n          return 1;\n        case 'jgraduate/css/jGraduate.css':\n          return 2;\n        case 'svg-editor.css':\n          return 3;\n        case 'spinbtn/jQuery.SpinButton.css':\n          return 4;\n        default:\n          return Infinity;\n        }\n      }\n      let stylesheets = $.loadingStylesheets.sort((a, b) => {\n        const priorityA = getStylesheetPriority(a);\n        const priorityB = getStylesheetPriority(b);\n        if (priorityA === priorityB) {\n          return 0;\n        }\n        return priorityA > priorityB;\n      });\n      if (curConfig.stylesheets.length) {\n        // Ensure a copy with unique items\n        stylesheets = [...new Set(curConfig.stylesheets)];\n        const idx = stylesheets.indexOf('@default');\n        if (idx > -1) {\n          stylesheets.splice(idx, 1, ...$.loadingStylesheets);\n        }\n      }\n      loadStylesheets(stylesheets, {acceptErrors: ({stylesheetURL, reject, resolve}) => {\n        if ($.loadingStylesheets.includes(stylesheetURL)) {\n          reject(new Error(`Missing expected stylesheet: ${stylesheetURL}`));\n          return;\n        }\n        resolve();\n      }}).then(() => {\n        $('#svg_container')[0].style.visibility = 'visible';\n        editor.runCallbacks();\n      });\n    }\n  });\n\n  /**\n  * @name module:SVGEditor.canvas\n  * @type {module:svgcanvas.SvgCanvas}\n  */\n  editor.canvas = svgCanvas = new SvgCanvas(\n    document.getElementById('svgcanvas'),\n    curConfig\n  );\n  const palette = [ // Todo: Make into configuration item?\n      '#000000', '#3f3f3f', '#7f7f7f', '#bfbfbf', '#ffffff',\n      '#ff0000', '#ff7f00', '#ffff00', '#7fff00',\n      '#00ff00', '#00ff7f', '#00ffff', '#007fff',\n      '#0000ff', '#7f00ff', '#ff00ff', '#ff007f',\n      '#7f0000', '#7f3f00', '#7f7f00', '#3f7f00',\n      '#007f00', '#007f3f', '#007f7f', '#003f7f',\n      '#00007f', '#3f007f', '#7f007f', '#7f003f',\n      '#ffaaaa', '#ffd4aa', '#ffffaa', '#d4ffaa',\n      '#aaffaa', '#aaffd4', '#aaffff', '#aad4ff',\n      '#aaaaff', '#d4aaff', '#ffaaff', '#ffaad4'\n    ],\n    modKey = (isMac() ? 'meta+' : 'ctrl+'), // ⌘\n    path = svgCanvas.pathActions,\n    {undoMgr} = svgCanvas,\n    workarea = $('#workarea'),\n    canvMenu = $('#cmenu_canvas'),\n    // layerMenu = $('#cmenu_layers'), // Unused\n    paintBox = {fill: null, stroke: null};\n\n  let resizeTimer, curScrollPos;\n  let exportWindow = null,\n    defaultImageURL = curConfig.imgPath + 'logo.png',\n    zoomInIcon = 'crosshair',\n    zoomOutIcon = 'crosshair',\n    uiContext = 'toolbars';\n\n  // For external openers\n  (function () {\n    // let the opener know SVG Edit is ready (now that config is set up)\n    const w = window.opener || window.parent;\n    if (w) {\n      try {\n        /**\n         * Triggered on a containing `document` (of `window.opener`\n         * or `window.parent`) when the editor is loaded.\n         * @event module:SVGEditor#event:svgEditorReadyEvent\n         * @type {Event}\n         * @property {true} bubbles\n         * @property {true} cancelable\n         */\n        /**\n         * @name module:SVGEditor.svgEditorReadyEvent\n         * @type {module:SVGEditor#event:svgEditorReadyEvent}\n         */\n        const svgEditorReadyEvent = new w.CustomEvent('svgEditorReady', {\n          bubbles: true,\n          cancelable: true\n        });\n        w.document.documentElement.dispatchEvent(svgEditorReadyEvent);\n      } catch (e) {}\n    }\n  }());\n\n  // This sets up alternative dialog boxes. They mostly work the same way as\n  // their UI counterparts, expect instead of returning the result, a callback\n  // needs to be included that returns the result as its first parameter.\n  // In the future we may want to add additional types of dialog boxes, since\n  // they should be easy to handle this way.\n  (function () {\n    $('#dialog_container').draggable({\n      cancel: '#dialog_content, #dialog_buttons *',\n      containment: 'window'\n    }).css('position', 'absolute');\n    const box = $('#dialog_box'),\n      btnHolder = $('#dialog_buttons'),\n      dialogContent = $('#dialog_content'),\n      dbox = function (type, msg, callback, defaultVal, opts, changeCb, checkbox) {\n        dialogContent.html('<p>' + msg.replace(/\\n/g, '</p><p>') + '</p>')\n          .toggleClass('prompt', (type === 'prompt'));\n        btnHolder.empty();\n\n        const ok = $('<input type=\"button\" value=\"' + uiStrings.common.ok + '\">').appendTo(btnHolder);\n\n        if (type !== 'alert') {\n          $('<input type=\"button\" value=\"' + uiStrings.common.cancel + '\">')\n            .appendTo(btnHolder)\n            .click(function () {\n              box.hide();\n              if (callback) {\n                callback(false); // eslint-disable-line standard/no-callback-literal\n              }\n            });\n        }\n\n        let ctrl, chkbx;\n        if (type === 'prompt') {\n          ctrl = $('<input type=\"text\">').prependTo(btnHolder);\n          ctrl.val(defaultVal || '');\n          ctrl.bind('keydown', 'return', function () { ok.click(); });\n        } else if (type === 'select') {\n          const div = $('<div style=\"text-align:center;\">');\n          ctrl = $('<select>').appendTo(div);\n          if (checkbox) {\n            const label = $('<label>').text(checkbox.label);\n            chkbx = $('<input type=\"checkbox\">').appendTo(label);\n            chkbx.val(checkbox.value);\n            if (checkbox.tooltip) {\n              label.attr('title', checkbox.tooltip);\n            }\n            chkbx.prop('checked', !!checkbox.checked);\n            div.append($('<div>').append(label));\n          }\n          $.each(opts || [], function (opt, val) {\n            if (typeof val === 'object') {\n              ctrl.append($('<option>').val(val.value).html(val.text));\n            } else {\n              ctrl.append($('<option>').html(val));\n            }\n          });\n          dialogContent.append(div);\n          if (defaultVal) {\n            ctrl.val(defaultVal);\n          }\n          if (changeCb) {\n            ctrl.bind('change', 'return', changeCb);\n          }\n          ctrl.bind('keydown', 'return', function () { ok.click(); });\n        } else if (type === 'process') {\n          ok.hide();\n        }\n\n        box.show();\n\n        ok.click(function () {\n          box.hide();\n          const resp = (type === 'prompt' || type === 'select') ? ctrl.val() : true;\n          if (callback) {\n            if (chkbx) {\n              callback(resp, chkbx.prop('checked'));\n            } else {\n              callback(resp);\n            }\n          }\n        }).focus();\n\n        if (type === 'prompt' || type === 'select') {\n          ctrl.focus();\n        }\n      };\n\n    $.alert = function (msg, cb) { dbox('alert', msg, cb); };\n    $.confirm = function (msg, cb) { dbox('confirm', msg, cb); };\n    $.process_cancel = function (msg, cb) { dbox('process', msg, cb); };\n    $.prompt = function (msg, txt, cb) { dbox('prompt', msg, cb, txt); };\n    $.select = function (msg, opts, cb, changeCb, txt, checkbox) { dbox('select', msg, cb, txt, opts, changeCb, checkbox); };\n  }());\n\n  const setSelectMode = function () {\n    const curr = $('.tool_button_current');\n    if (curr.length && curr[0].id !== 'tool_select') {\n      curr.removeClass('tool_button_current').addClass('tool_button');\n      $('#tool_select').addClass('tool_button_current').removeClass('tool_button');\n      $('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all} #svgcanvas svg{cursor:default}');\n    }\n    svgCanvas.setMode('select');\n    workarea.css('cursor', 'auto');\n  };\n\n  // used to make the flyouts stay on the screen longer the very first time\n  // const flyoutspeed = 1250; // Currently unused\n  // let textBeingEntered = false; // Currently unused\n  const origTitle = $('title:first').text();\n  // Make [1,2,5] array\n  const rIntervals = [];\n  for (let i = 0.1; i < 1E5; i *= 10) {\n    rIntervals.push(i);\n    rIntervals.push(2 * i);\n    rIntervals.push(5 * i);\n  }\n\n  // This function highlights the layer passed in (by fading out the other layers)\n  // if no layer is passed in, this function restores the other layers\n  const toggleHighlightLayer = function (layerNameToHighlight) {\n    let i;\n    const curNames = [], numLayers = svgCanvas.getCurrentDrawing().getNumLayers();\n    for (i = 0; i < numLayers; i++) {\n      curNames[i] = svgCanvas.getCurrentDrawing().getLayerName(i);\n    }\n\n    if (layerNameToHighlight) {\n      for (i = 0; i < numLayers; ++i) {\n        if (curNames[i] !== layerNameToHighlight) {\n          svgCanvas.getCurrentDrawing().setLayerOpacity(curNames[i], 0.5);\n        }\n      }\n    } else {\n      for (i = 0; i < numLayers; ++i) {\n        svgCanvas.getCurrentDrawing().setLayerOpacity(curNames[i], 1.0);\n      }\n    }\n  };\n\n  const populateLayers = function () {\n    svgCanvas.clearSelection();\n    const layerlist = $('#layerlist tbody').empty();\n    const selLayerNames = $('#selLayerNames').empty();\n    const drawing = svgCanvas.getCurrentDrawing();\n    const currentLayerName = drawing.getCurrentLayerName();\n    const icon = $.getSvgIcon('eye');\n    let layer = svgCanvas.getCurrentDrawing().getNumLayers();\n    // we get the layers in the reverse z-order (the layer rendered on top is listed first)\n    while (layer--) {\n      const name = drawing.getLayerName(layer);\n      const layerTr = $('<tr class=\"layer\">').toggleClass('layersel', name === currentLayerName);\n      const layerVis = $('<td class=\"layervis\">').toggleClass('layerinvis', !drawing.getLayerVisibility(name));\n      const layerName = $('<td class=\"layername\">' + name + '</td>');\n      layerlist.append(layerTr.append(layerVis, layerName));\n      selLayerNames.append('<option value=\"' + name + '\">' + name + '</option>');\n    }\n    if (icon !== undefined) {\n      const copy = icon.clone();\n      $('td.layervis', layerlist).append(copy);\n      $.resizeSvgIcons({'td.layervis .svg_icon': 14});\n    }\n    // handle selection of layer\n    $('#layerlist td.layername')\n      .mouseup(function (evt) {\n        $('#layerlist tr.layer').removeClass('layersel');\n        $(this.parentNode).addClass('layersel');\n        svgCanvas.setCurrentLayer(this.textContent);\n        evt.preventDefault();\n      })\n      .mouseover(function () {\n        toggleHighlightLayer(this.textContent);\n      })\n      .mouseout(function () {\n        toggleHighlightLayer();\n      });\n    $('#layerlist td.layervis').click(function () {\n      const row = $(this.parentNode).prevAll().length;\n      const name = $('#layerlist tr.layer:eq(' + row + ') td.layername').text();\n      const vis = $(this).hasClass('layerinvis');\n      svgCanvas.setLayerVisibility(name, vis);\n      $(this).toggleClass('layerinvis');\n    });\n\n    // if there were too few rows, let's add a few to make it not so lonely\n    let num = 5 - $('#layerlist tr.layer').size();\n    while (num-- > 0) {\n      // FIXME: there must a better way to do this\n      layerlist.append('<tr><td style=\"color:white\">_</td><td/></tr>');\n    }\n  };\n\n  let editingsource = false;\n  let origSource = '';\n  const showSourceEditor = function (e, forSaving) {\n    if (editingsource) { return; }\n\n    editingsource = true;\n    origSource = svgCanvas.getSvgString();\n    $('#save_output_btns').toggle(!!forSaving);\n    $('#tool_source_back').toggle(!forSaving);\n    $('#svg_source_textarea').val(origSource);\n    $('#svg_source_editor').fadeIn();\n    $('#svg_source_textarea').focus();\n  };\n\n  let selectedElement = null;\n  let multiselected = false;\n\n  const togglePathEditMode = function (editmode, elems) {\n    $('#path_node_panel').toggle(editmode);\n    $('#tools_bottom_2,#tools_bottom_3').toggle(!editmode);\n    if (editmode) {\n      // Change select icon\n      $('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');\n      $('#tool_select').addClass('tool_button_current').removeClass('tool_button');\n      setIcon('#tool_select', 'select_node');\n      multiselected = false;\n      if (elems.length) {\n        selectedElement = elems[0];\n      }\n    } else {\n      setTimeout(() => {\n        setIcon('#tool_select', 'select');\n      }, 1000);\n    }\n  };\n\n  /**\n   * @type {module:svgcanvas.EventHandler}\n   * @param {external:Window} wind\n   * @param {module:svgcanvas.SvgCanvas#event:saved} svg The SVG source\n   * @listens module:svgcanvas.SvgCanvas#event:saved\n   * @returns {undefined}\n   */\n  const saveHandler = function (wind, svg) {\n    editor.showSaveWarning = false;\n\n    // by default, we add the XML prolog back, systems integrating SVG-edit (wikis, CMSs)\n    // can just provide their own custom save handler and might not want the XML prolog\n    svg = '<?xml version=\"1.0\"?>\\n' + svg;\n\n    // IE9 doesn't allow standalone Data URLs\n    // https://connect.microsoft.com/IE/feedback/details/542600/data-uri-images-fail-when-loaded-by-themselves\n    if (isIE()) {\n      showSourceEditor(0, true);\n      return;\n    }\n\n    // Since saving SVGs by opening a new window was removed in Chrome use artificial link-click\n    // https://stackoverflow.com/questions/45603201/window-is-not-allowed-to-navigate-top-frame-navigations-to-data-urls\n    const a = document.createElement('a');\n    a.href = 'data:image/svg+xml;base64,' + Utils.encode64(svg);\n    a.download = 'icon.svg';\n\n    a.click();\n\n    // Alert will only appear the first time saved OR the\n    //   first time the bug is encountered\n    let done = $.pref('save_notice_done');\n    if (done !== 'all') {\n      let note = uiStrings.notification.saveFromBrowser.replace('%s', 'SVG');\n      // Check if FF and has <defs/>\n      if (isGecko()) {\n        if (svg.includes('<defs')) {\n          // warning about Mozilla bug #308590 when applicable (seems to be fixed now in Feb 2013)\n          note += '\\n\\n' + uiStrings.notification.defsFailOnSave;\n          $.pref('save_notice_done', 'all');\n          done = 'all';\n        } else {\n          $.pref('save_notice_done', 'part');\n        }\n      } else {\n        $.pref('save_notice_done', 'all');\n      }\n      if (done !== 'part') {\n        alert(note);\n      }\n    }\n  };\n\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:exported} data\n   * @listens module:svgcanvas.SvgCanvas#event:exported\n   * @returns {undefined}\n   */\n  const exportHandler = function (win, data) {\n    const {issues, exportWindowName} = data;\n\n    if (exportWindowName) {\n      exportWindow = window.open(Utils.blankPageObjectURL || '', exportWindowName); // A hack to get the window via JSON-able name without opening a new one\n    }\n\n    if (!exportWindow || exportWindow.closed) {\n      $.alert(uiStrings.notification.popupWindowBlocked);\n      return;\n    }\n\n    exportWindow.location.href = data.bloburl || data.datauri;\n    const done = $.pref('export_notice_done');\n    if (done !== 'all') {\n      let note = uiStrings.notification.saveFromBrowser.replace('%s', data.type);\n\n      // Check if there are issues\n      if (issues.length) {\n        const pre = '\\n \\u2022 ';\n        note += ('\\n\\n' + uiStrings.notification.noteTheseIssues + pre + issues.join(pre));\n      }\n\n      // Note that this will also prevent the notice even though new issues may appear later.\n      // May want to find a way to deal with that without annoying the user\n      $.pref('export_notice_done', 'all');\n      exportWindow.alert(note);\n    }\n  };\n\n  const operaRepaint = function () {\n    // Repaints canvas in Opera. Needed for stroke-dasharray change as well as fill change\n    if (!window.opera) {\n      return;\n    }\n    $('<p/>').hide().appendTo('body').remove();\n  };\n\n  function setStrokeOpt (opt, changeElem) {\n    const {id} = opt;\n    const bits = id.split('_');\n    const pre = bits[0];\n    const val = bits[1];\n\n    if (changeElem) {\n      svgCanvas.setStrokeAttr('stroke-' + pre, val);\n    }\n    operaRepaint();\n    setIcon('#cur_' + pre, id, 20);\n    $(opt).addClass('current').siblings().removeClass('current');\n  }\n\n  /**\n  * This is a common function used when a tool has been clicked (chosen)\n  * It does several common things:\n  * - removes the `tool_button_current` class from whatever tool currently has it\n  * - hides any flyouts\n  * - adds the `tool_button_current` class to the button passed in\n  * @function module:SVGEDitor.toolButtonClick\n  * @param {string|Element} button The DOM element or string selector representing the toolbar button\n  * @param {boolean} noHiding Whether not to hide any flyouts\n  * @returns {boolean} Whether the button was disabled or not\n  */\n  const toolButtonClick = editor.toolButtonClick = function (button, noHiding) {\n    if ($(button).hasClass('disabled')) { return false; }\n    if ($(button).parent().hasClass('tools_flyout')) { return true; }\n    const fadeFlyouts = 'normal';\n    if (!noHiding) {\n      $('.tools_flyout').fadeOut(fadeFlyouts);\n    }\n    $('#styleoverrides').text('');\n    workarea.css('cursor', 'auto');\n    $('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');\n    $(button).addClass('tool_button_current').removeClass('tool_button');\n    return true;\n  };\n\n  /**\n  * Unless the select toolbar button is disabled, sets the button\n  * and sets the select mode and cursor styles.\n  * @function module:SVGEditor.clickSelect\n  * @returns {undefined}\n  */\n  const clickSelect = editor.clickSelect = function () {\n    if (toolButtonClick('#tool_select')) {\n      svgCanvas.setMode('select');\n      $('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all}, #svgcanvas svg{cursor:default}');\n    }\n  };\n\n  /**\n  * Set a selected image's URL\n  * @function module:SVGEditor.setImageURL\n  * @param {string} url\n  * @returns {undefined}\n  */\n  const setImageURL = editor.setImageURL = function (url) {\n    if (!url) {\n      url = defaultImageURL;\n    }\n    svgCanvas.setImageURL(url);\n    $('#image_url').val(url);\n\n    if (url.startsWith('data:')) {\n      // data URI found\n      $('#image_url').hide();\n      $('#change_image_url').show();\n    } else {\n      // regular URL\n      svgCanvas.embedImage(url, function (dataURI) {\n        // Couldn't embed, so show warning\n        $('#url_notice').toggle(!dataURI);\n        defaultImageURL = url;\n      });\n      $('#image_url').show();\n      $('#change_image_url').hide();\n    }\n  };\n\n  function setBackground (color, url) {\n    // if (color == $.pref('bkgd_color') && url == $.pref('bkgd_url')) { return; }\n    $.pref('bkgd_color', color);\n    $.pref('bkgd_url', url);\n\n    // This should be done in svgcanvas.js for the borderRect fill\n    svgCanvas.setBackground(color, url);\n  }\n\n  function promptImgURL ({cancelDeletes = false} = {}) {\n    let curhref = svgCanvas.getHref(selectedElement);\n    curhref = curhref.startsWith('data:') ? '' : curhref;\n    $.prompt(uiStrings.notification.enterNewImgURL, curhref, function (url) {\n      if (url) {\n        setImageURL(url);\n      } else if (cancelDeletes) {\n        svgCanvas.deleteSelectedElements();\n      }\n    });\n  }\n\n  const setInputWidth = function (elem) {\n    const w = Math.min(Math.max(12 + elem.value.length * 6, 50), 300);\n    $(elem).width(w);\n  };\n\n  function updateRulers (scanvas, zoom) {\n    if (!zoom) { zoom = svgCanvas.getZoom(); }\n    if (!scanvas) { scanvas = $('#svgcanvas'); }\n\n    let d, i;\n    const limit = 30000;\n    const contentElem = svgCanvas.getContentElem();\n    const units = getTypeMap();\n    const unit = units[curConfig.baseUnit]; // 1 = 1px\n\n    // draw x ruler then y ruler\n    for (d = 0; d < 2; d++) {\n      const isX = (d === 0);\n      const dim = isX ? 'x' : 'y';\n      const lentype = isX ? 'width' : 'height';\n      const contentDim = Number(contentElem.getAttribute(dim));\n\n      const $hcanvOrig = $('#ruler_' + dim + ' canvas:first');\n\n      // Bit of a hack to fully clear the canvas in Safari & IE9\n      const $hcanv = $hcanvOrig.clone();\n      $hcanvOrig.replaceWith($hcanv);\n\n      const hcanv = $hcanv[0];\n\n      // Set the canvas size to the width of the container\n      let rulerLen = scanvas[lentype]();\n      const totalLen = rulerLen;\n      hcanv.parentNode.style[lentype] = totalLen + 'px';\n      let ctx = hcanv.getContext('2d');\n      let ctxArr, num, ctxArrNum;\n\n      ctx.fillStyle = 'rgb(200,0,0)';\n      ctx.fillRect(0, 0, hcanv.width, hcanv.height);\n\n      // Remove any existing canvasses\n      $hcanv.siblings().remove();\n\n      // Create multiple canvases when necessary (due to browser limits)\n      if (rulerLen >= limit) {\n        ctxArrNum = parseInt(rulerLen / limit, 10) + 1;\n        ctxArr = [];\n        ctxArr[0] = ctx;\n        let copy;\n        for (i = 1; i < ctxArrNum; i++) {\n          hcanv[lentype] = limit;\n          copy = hcanv.cloneNode(true);\n          hcanv.parentNode.append(copy);\n          ctxArr[i] = copy.getContext('2d');\n        }\n\n        copy[lentype] = rulerLen % limit;\n\n        // set copy width to last\n        rulerLen = limit;\n      }\n\n      hcanv[lentype] = rulerLen;\n\n      const uMulti = unit * zoom;\n\n      // Calculate the main number interval\n      const rawM = 50 / uMulti;\n      let multi = 1;\n      for (i = 0; i < rIntervals.length; i++) {\n        num = rIntervals[i];\n        multi = num;\n        if (rawM <= num) {\n          break;\n        }\n      }\n\n      const bigInt = multi * uMulti;\n\n      ctx.font = '9px sans-serif';\n\n      let rulerD = ((contentDim / uMulti) % multi) * uMulti;\n      let labelPos = rulerD - bigInt;\n      // draw big intervals\n      let ctxNum = 0;\n      while (rulerD < totalLen) {\n        labelPos += bigInt;\n        // const realD = rulerD - contentDim; // Currently unused\n\n        const curD = Math.round(rulerD) + 0.5;\n        if (isX) {\n          ctx.moveTo(curD, 15);\n          ctx.lineTo(curD, 0);\n        } else {\n          ctx.moveTo(15, curD);\n          ctx.lineTo(0, curD);\n        }\n\n        num = (labelPos - contentDim) / uMulti;\n        let label;\n        if (multi >= 1) {\n          label = Math.round(num);\n        } else {\n          const decs = String(multi).split('.')[1].length;\n          label = num.toFixed(decs);\n        }\n\n        // Change 1000s to Ks\n        if (label !== 0 && label !== 1000 && label % 1000 === 0) {\n          label = (label / 1000) + 'K';\n        }\n\n        if (isX) {\n          ctx.fillText(label, rulerD + 2, 8);\n        } else {\n          // draw label vertically\n          const str = String(label).split('');\n          for (i = 0; i < str.length; i++) {\n            ctx.fillText(str[i], 1, (rulerD + 9) + i * 9);\n          }\n        }\n\n        const part = bigInt / 10;\n        // draw the small intervals\n        for (i = 1; i < 10; i++) {\n          let subD = Math.round(rulerD + part * i) + 0.5;\n          if (ctxArr && subD > rulerLen) {\n            ctxNum++;\n            ctx.stroke();\n            if (ctxNum >= ctxArrNum) {\n              i = 10;\n              rulerD = totalLen;\n              continue;\n            }\n            ctx = ctxArr[ctxNum];\n            rulerD -= limit;\n            subD = Math.round(rulerD + part * i) + 0.5;\n          }\n\n          // odd lines are slighly longer\n          const lineNum = (i % 2) ? 12 : 10;\n          if (isX) {\n            ctx.moveTo(subD, 15);\n            ctx.lineTo(subD, lineNum);\n          } else {\n            ctx.moveTo(15, subD);\n            ctx.lineTo(lineNum, subD);\n          }\n        }\n        rulerD += bigInt;\n      }\n      ctx.strokeStyle = '#000';\n      ctx.stroke();\n    }\n  }\n\n  /**\n  * @function module:SVGEditor.updateCanvas\n  * @param {boolean} center\n  * @param {module:math.XYObject} newCtr\n  * @returns {undefined}\n  */\n  const updateCanvas = editor.updateCanvas = function (center, newCtr) {\n    const zoom = svgCanvas.getZoom();\n    const wArea = workarea;\n    const cnvs = $('#svgcanvas');\n\n    let w = workarea.width(), h = workarea.height();\n    const wOrig = w, hOrig = h;\n    const oldCtr = {\n      x: wArea[0].scrollLeft + wOrig / 2,\n      y: wArea[0].scrollTop + hOrig / 2\n    };\n    const multi = curConfig.canvas_expansion;\n    w = Math.max(wOrig, svgCanvas.contentW * zoom * multi);\n    h = Math.max(hOrig, svgCanvas.contentH * zoom * multi);\n\n    if (w === wOrig && h === hOrig) {\n      workarea.css('overflow', 'hidden');\n    } else {\n      workarea.css('overflow', 'scroll');\n    }\n\n    const oldCanY = cnvs.height() / 2;\n    const oldCanX = cnvs.width() / 2;\n    cnvs.width(w).height(h);\n    const newCanY = h / 2;\n    const newCanX = w / 2;\n    const offset = svgCanvas.updateCanvas(w, h);\n\n    const ratio = newCanX / oldCanX;\n\n    const scrollX = w / 2 - wOrig / 2;\n    const scrollY = h / 2 - hOrig / 2;\n\n    if (!newCtr) {\n      const oldDistX = oldCtr.x - oldCanX;\n      const newX = newCanX + oldDistX * ratio;\n\n      const oldDistY = oldCtr.y - oldCanY;\n      const newY = newCanY + oldDistY * ratio;\n\n      newCtr = {\n        x: newX,\n        y: newY\n      };\n    } else {\n      newCtr.x += offset.x;\n      newCtr.y += offset.y;\n    }\n\n    if (center) {\n      // Go to top-left for larger documents\n      if (svgCanvas.contentW > wArea.width()) {\n        // Top-left\n        workarea[0].scrollLeft = offset.x - 10;\n        workarea[0].scrollTop = offset.y - 10;\n      } else {\n        // Center\n        wArea[0].scrollLeft = scrollX;\n        wArea[0].scrollTop = scrollY;\n      }\n    } else {\n      wArea[0].scrollLeft = newCtr.x - wOrig / 2;\n      wArea[0].scrollTop = newCtr.y - hOrig / 2;\n    }\n    if (curConfig.showRulers) {\n      updateRulers(cnvs, zoom);\n      workarea.scroll();\n    }\n    if (urldata.storagePrompt !== true && !editor.storagePromptClosed) {\n      $('#dialog_box').hide();\n    }\n  };\n\n  /**\n   * @fires module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate\n   * @returns {undefined}\n   */\n  const updateToolButtonState = function () {\n    let index, button;\n    const bNoFill = (svgCanvas.getColor('fill') === 'none');\n    const bNoStroke = (svgCanvas.getColor('stroke') === 'none');\n    const buttonsNeedingStroke = ['#tool_fhpath', '#tool_line'];\n    const buttonsNeedingFillAndStroke = ['#tools_rect .tool_button', '#tools_ellipse .tool_button', '#tool_text', '#tool_path'];\n    if (bNoStroke) {\n      for (index in buttonsNeedingStroke) {\n        button = buttonsNeedingStroke[index];\n        if ($(button).hasClass('tool_button_current')) {\n          clickSelect();\n        }\n        $(button).addClass('disabled');\n      }\n    } else {\n      for (index in buttonsNeedingStroke) {\n        button = buttonsNeedingStroke[index];\n        $(button).removeClass('disabled');\n      }\n    }\n\n    if (bNoStroke && bNoFill) {\n      for (index in buttonsNeedingFillAndStroke) {\n        button = buttonsNeedingFillAndStroke[index];\n        if ($(button).hasClass('tool_button_current')) {\n          clickSelect();\n        }\n        $(button).addClass('disabled');\n      }\n    } else {\n      for (index in buttonsNeedingFillAndStroke) {\n        button = buttonsNeedingFillAndStroke[index];\n        $(button).removeClass('disabled');\n      }\n    }\n\n    svgCanvas.runExtensions('toolButtonStateUpdate', /** @type {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} */ {\n      nofill: bNoFill,\n      nostroke: bNoStroke\n    });\n\n    // Disable flyouts if all inside are disabled\n    $('.tools_flyout').each(function () {\n      const shower = $('#' + this.id + '_show');\n      let hasEnabled = false;\n      $(this).children().each(function () {\n        if (!$(this).hasClass('disabled')) {\n          hasEnabled = true;\n        }\n      });\n      shower.toggleClass('disabled', !hasEnabled);\n    });\n\n    operaRepaint();\n  };\n\n  // Updates the toolbar (colors, opacity, etc) based on the selected element\n  // This function also updates the opacity and id elements that are in the context panel\n  const updateToolbar = function () {\n    let i, len;\n    if (selectedElement != null) {\n      switch (selectedElement.tagName) {\n      case 'use':\n      case 'image':\n      case 'foreignObject':\n        break;\n      case 'g':\n      case 'a':\n        // Look for common styles\n        const childs = selectedElement.getElementsByTagName('*');\n        let gWidth = null;\n        for (i = 0, len = childs.length; i < len; i++) {\n          const swidth = childs[i].getAttribute('stroke-width');\n\n          if (i === 0) {\n            gWidth = swidth;\n          } else if (gWidth !== swidth) {\n            gWidth = null;\n          }\n        }\n\n        $('#stroke_width').val(gWidth === null ? '' : gWidth);\n\n        paintBox.fill.update(true);\n        paintBox.stroke.update(true);\n\n        break;\n      default:\n        paintBox.fill.update(true);\n        paintBox.stroke.update(true);\n\n        $('#stroke_width').val(selectedElement.getAttribute('stroke-width') || 1);\n        $('#stroke_style').val(selectedElement.getAttribute('stroke-dasharray') || 'none');\n\n        let attr = selectedElement.getAttribute('stroke-linejoin') || 'miter';\n\n        if ($('#linejoin_' + attr).length) {\n          setStrokeOpt($('#linejoin_' + attr)[0]);\n        }\n\n        attr = selectedElement.getAttribute('stroke-linecap') || 'butt';\n\n        if ($('#linecap_' + attr).length) {\n          setStrokeOpt($('#linecap_' + attr)[0]);\n        }\n      }\n    }\n\n    // All elements including image and group have opacity\n    if (selectedElement != null) {\n      const opacPerc = (selectedElement.getAttribute('opacity') || 1.0) * 100;\n      $('#group_opacity').val(opacPerc);\n      $('#opac_slider').slider('option', 'value', opacPerc);\n      $('#elem_id').val(selectedElement.id);\n      $('#elem_class').val(selectedElement.getAttribute('class'));\n    }\n\n    updateToolButtonState();\n  };\n\n  // updates the context panel tools based on the selected element\n  const updateContextPanel = function () {\n    let elem = selectedElement;\n    // If element has just been deleted, consider it null\n    if (elem != null && !elem.parentNode) { elem = null; }\n    const currentLayerName = svgCanvas.getCurrentDrawing().getCurrentLayerName();\n    const currentMode = svgCanvas.getMode();\n    const unit = curConfig.baseUnit !== 'px' ? curConfig.baseUnit : null;\n\n    const isNode = currentMode === 'pathedit'; // elem ? (elem.id && elem.id.startsWith('pathpointgrip')) : false;\n    const menuItems = $('#cmenu_canvas li');\n    $('#selected_panel, #multiselected_panel, #g_panel, #rect_panel, #circle_panel,' +\n      '#ellipse_panel, #line_panel, #text_panel, #image_panel, #container_panel,' +\n      ' #use_panel, #a_panel').hide();\n    if (elem != null) {\n      const elname = elem.nodeName;\n      // If this is a link with no transform and one child, pretend\n      // its child is selected\n      // if (elname === 'a') { // && !$(elem).attr('transform')) {\n      //   elem = elem.firstChild;\n      // }\n\n      const angle = svgCanvas.getRotationAngle(elem);\n      $('#angle').val(angle);\n\n      const blurval = svgCanvas.getBlur(elem);\n      $('#blur').val(blurval);\n      $('#blur_slider').slider('option', 'value', blurval);\n\n      if (svgCanvas.addedNew) {\n        if (elname === 'image' && svgCanvas.getMode() === 'image') {\n          // Prompt for URL if not a data URL\n          if (!svgCanvas.getHref(elem).startsWith('data:')) {\n            promptImgURL({cancelDeletes: true});\n          }\n        }\n        /* else if (elname == 'text') {\n          // TODO: Do something here for new text\n        } */\n      }\n\n      if (!isNode && currentMode !== 'pathedit') {\n        $('#selected_panel').show();\n        // Elements in this array already have coord fields\n        if (['line', 'circle', 'ellipse'].includes(elname)) {\n          $('#xy_panel').hide();\n        } else {\n          let x, y;\n\n          // Get BBox vals for g, polyline and path\n          if (['g', 'polyline', 'path'].includes(elname)) {\n            const bb = svgCanvas.getStrokedBBox([elem]);\n            if (bb) {\n              ({x, y} = bb);\n            }\n          } else {\n            x = elem.getAttribute('x');\n            y = elem.getAttribute('y');\n          }\n\n          if (unit) {\n            x = convertUnit(x);\n            y = convertUnit(y);\n          }\n\n          $('#selected_x').val(x || 0);\n          $('#selected_y').val(y || 0);\n          $('#xy_panel').show();\n        }\n\n        // Elements in this array cannot be converted to a path\n        const noPath = !['image', 'text', 'path', 'g', 'use'].includes(elname);\n        $('#tool_topath').toggle(noPath);\n        $('#tool_reorient').toggle(elname === 'path');\n        $('#tool_reorient').toggleClass('disabled', angle === 0);\n      } else {\n        const point = path.getNodePoint();\n        $('#tool_add_subpath').removeClass('push_button_pressed').addClass('tool_button');\n        $('#tool_node_delete').toggleClass('disabled', !path.canDeleteNodes);\n\n        // Show open/close button based on selected point\n        setIcon('#tool_openclose_path', path.closed_subpath ? 'open_path' : 'close_path');\n\n        if (point) {\n          const segType = $('#seg_type');\n          if (unit) {\n            point.x = convertUnit(point.x);\n            point.y = convertUnit(point.y);\n          }\n          $('#path_node_x').val(point.x);\n          $('#path_node_y').val(point.y);\n          if (point.type) {\n            segType.val(point.type).removeAttr('disabled');\n          } else {\n            segType.val(4).attr('disabled', 'disabled');\n          }\n        }\n        return;\n      }\n\n      // update contextual tools here\n      const panels = {\n        g: [],\n        a: [],\n        rect: ['rx', 'width', 'height'],\n        image: ['width', 'height'],\n        circle: ['cx', 'cy', 'r'],\n        ellipse: ['cx', 'cy', 'rx', 'ry'],\n        line: ['x1', 'y1', 'x2', 'y2'],\n        text: [],\n        use: []\n      };\n\n      const {tagName} = elem;\n\n      // if ($(elem).data('gsvg')) {\n      //   $('#g_panel').show();\n      // }\n\n      let linkHref = null;\n      if (tagName === 'a') {\n        linkHref = svgCanvas.getHref(elem);\n        $('#g_panel').show();\n      }\n\n      if (elem.parentNode.tagName === 'a') {\n        if (!$(elem).siblings().length) {\n          $('#a_panel').show();\n          linkHref = svgCanvas.getHref(elem.parentNode);\n        }\n      }\n\n      // Hide/show the make_link buttons\n      $('#tool_make_link, #tool_make_link').toggle(!linkHref);\n\n      if (linkHref) {\n        $('#link_url').val(linkHref);\n      }\n\n      if (panels[tagName]) {\n        const curPanel = panels[tagName];\n\n        $('#' + tagName + '_panel').show();\n\n        $.each(curPanel, function (i, item) {\n          let attrVal = elem.getAttribute(item);\n          if (curConfig.baseUnit !== 'px' && elem[item]) {\n            const bv = elem[item].baseVal.value;\n            attrVal = convertUnit(bv);\n          }\n          $('#' + tagName + '_' + item).val(attrVal || 0);\n        });\n\n        if (tagName === 'text') {\n          $('#text_panel').css('display', 'inline');\n          $('#tool_font_size').css('display', 'inline');\n          if (svgCanvas.getItalic()) {\n            $('#tool_italic').addClass('push_button_pressed').removeClass('tool_button');\n          } else {\n            $('#tool_italic').removeClass('push_button_pressed').addClass('tool_button');\n          }\n          if (svgCanvas.getBold()) {\n            $('#tool_bold').addClass('push_button_pressed').removeClass('tool_button');\n          } else {\n            $('#tool_bold').removeClass('push_button_pressed').addClass('tool_button');\n          }\n          $('#font_family').val(elem.getAttribute('font-family'));\n          $('#font_size').val(elem.getAttribute('font-size'));\n          $('#text').val(elem.textContent);\n          if (svgCanvas.addedNew) {\n            // Timeout needed for IE9\n            setTimeout(function () {\n              $('#text').focus().select();\n            }, 100);\n          }\n        // text\n        } else if (tagName === 'image' && svgCanvas.getMode() === 'image') {\n          setImageURL(svgCanvas.getHref(elem));\n        // image\n        } else if (tagName === 'g' || tagName === 'use') {\n          $('#container_panel').show();\n          const title = svgCanvas.getTitle();\n          const label = $('#g_title')[0];\n          label.value = title;\n          setInputWidth(label);\n          $('#g_title').prop('disabled', tagName === 'use');\n        }\n      }\n      menuItems[(tagName === 'g' ? 'en' : 'dis') + 'ableContextMenuItems']('#ungroup');\n      menuItems[((tagName === 'g' || !multiselected) ? 'dis' : 'en') + 'ableContextMenuItems']('#group');\n    // if (elem != null)\n    } else if (multiselected) {\n      $('#multiselected_panel').show();\n      menuItems\n        .enableContextMenuItems('#group')\n        .disableContextMenuItems('#ungroup');\n    } else {\n      menuItems.disableContextMenuItems('#delete,#cut,#copy,#group,#ungroup,#move_front,#move_up,#move_down,#move_back');\n    }\n\n    // update history buttons\n    $('#tool_undo').toggleClass('disabled', undoMgr.getUndoStackSize() === 0);\n    $('#tool_redo').toggleClass('disabled', undoMgr.getRedoStackSize() === 0);\n\n    svgCanvas.addedNew = false;\n\n    if ((elem && !isNode) || multiselected) {\n      // update the selected elements' layer\n      $('#selLayerNames').removeAttr('disabled').val(currentLayerName);\n\n      // Enable regular menu options\n      canvMenu.enableContextMenuItems('#delete,#cut,#copy,#move_front,#move_up,#move_down,#move_back');\n    } else {\n      $('#selLayerNames').attr('disabled', 'disabled');\n    }\n  };\n\n  const updateWireFrame = function () {\n    // Test support\n    if (supportsNonSS) { return; }\n\n    const rule = '#workarea.wireframe #svgcontent * { stroke-width: ' + 1 / svgCanvas.getZoom() + 'px; }';\n    $('#wireframe_rules').text(workarea.hasClass('wireframe') ? rule : '');\n  };\n\n  let curContext = '';\n\n  const updateTitle = function (title) {\n    title = title || svgCanvas.getDocumentTitle();\n    const newTitle = origTitle + (title ? ': ' + title : '');\n\n    // Remove title update with current context info, isn't really necessary\n    // if (curContext) {\n    //   new_title = new_title + curContext;\n    // }\n    $('title:first').text(newTitle);\n  };\n\n  // called when we've selected a different element\n  /**\n  *\n  * @param {external:Window} win\n  * @param {module:svgcanvas.SvgCanvas#event:selected} elems Array of elements that were selected\n  * @listens module:svgcanvas.SvgCanvas#event:selected\n  * @fires module:svgcanvas.SvgCanvas#event:ext-selectedChanged\n  * @returns {undefined}\n  */\n  const selectedChanged = function (win, elems) {\n    const mode = svgCanvas.getMode();\n    if (mode === 'select') {\n      setSelectMode();\n    }\n    const isNode = mode === 'pathedit';\n    // if elems[1] is present, then we have more than one element\n    selectedElement = (elems.length === 1 || elems[1] == null ? elems[0] : null);\n    multiselected = (elems.length >= 2 && elems[1] != null);\n    if (selectedElement != null) {\n      // unless we're already in always set the mode of the editor to select because\n      // upon creation of a text element the editor is switched into\n      // select mode and this event fires - we need our UI to be in sync\n\n      if (!isNode) {\n        updateToolbar();\n      }\n    } // if (elem != null)\n\n    // Deal with pathedit mode\n    togglePathEditMode(isNode, elems);\n    updateContextPanel();\n    svgCanvas.runExtensions('selectedChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} */ {\n      elems,\n      selectedElement,\n      multiselected\n    });\n  };\n\n  // Call when part of element is in process of changing, generally\n  // on mousemove actions like rotate, move, etc.\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:transition} elems\n   * @listens module:svgcanvas.SvgCanvas#event:transition\n   * @fires module:svgcanvas.SvgCanvas#event:ext-elementTransition\n   * @returns {undefined}\n   */\n  const elementTransition = function (win, elems) {\n    const mode = svgCanvas.getMode();\n    const elem = elems[0];\n\n    if (!elem) {\n      return;\n    }\n\n    multiselected = (elems.length >= 2 && elems[1] != null);\n    // Only updating fields for single elements for now\n    if (!multiselected) {\n      switch (mode) {\n      case 'rotate':\n        const ang = svgCanvas.getRotationAngle(elem);\n        $('#angle').val(ang);\n        $('#tool_reorient').toggleClass('disabled', ang === 0);\n        break;\n\n      // TODO: Update values that change on move/resize, etc\n      // case 'select':\n      // case 'resize':\n      //   break;\n      }\n    }\n    svgCanvas.runExtensions('elementTransition', /** @type {module:svgcanvas.SvgCanvas#event:ext-elementTransition} */ {\n      elems\n    });\n  };\n\n  /**\n   * Test whether an element is a layer or not.\n   * @param {SVGGElement} elem - The SVGGElement to test.\n   * @returns {boolean} True if the element is a layer\n   */\n  function isLayer (elem) {\n    return elem && elem.tagName === 'g' && Layer.CLASS_REGEX.test(elem.getAttribute('class'));\n  }\n\n  // called when any element has changed\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:changed} elems\n   * @listens module:svgcanvas.SvgCanvas#event:changed\n   * @fires module:svgcanvas.SvgCanvas#event:ext-elementChanged\n   * @returns {undefined}\n   */\n  const elementChanged = function (win, elems) {\n    const mode = svgCanvas.getMode();\n    if (mode === 'select') {\n      setSelectMode();\n    }\n\n    for (let i = 0; i < elems.length; ++i) {\n      const elem = elems[i];\n\n      const isSvgElem = (elem && elem.tagName === 'svg');\n      if (isSvgElem || isLayer(elem)) {\n        populateLayers();\n        // if the element changed was the svg, then it could be a resolution change\n        if (isSvgElem) {\n          updateCanvas();\n        }\n      // Update selectedElement if element is no longer part of the image.\n      // This occurs for the text elements in Firefox\n      } else if (elem && selectedElement && selectedElement.parentNode == null) {\n        // || elem && elem.tagName == \"path\" && !multiselected) { // This was added in r1430, but not sure why\n        selectedElement = elem;\n      }\n    }\n\n    editor.showSaveWarning = true;\n\n    // we update the contextual panel with potentially new\n    // positional/sizing information (we DON'T want to update the\n    // toolbar here as that creates an infinite loop)\n    // also this updates the history buttons\n\n    // we tell it to skip focusing the text control if the\n    // text element was previously in focus\n    updateContextPanel();\n\n    // In the event a gradient was flipped:\n    if (selectedElement && mode === 'select') {\n      paintBox.fill.update();\n      paintBox.stroke.update();\n    }\n\n    svgCanvas.runExtensions('elementChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-elementChanged} */ {\n      elems\n    });\n  };\n\n  /**\n   * @returns {undefined}\n   */\n  const zoomDone = function () {\n    updateWireFrame();\n    // updateCanvas(); // necessary?\n  };\n\n  /**\n  * @typedef {PlainObject} module:SVGEditor.BBoxObjectWithFactor (like `DOMRect`)\n  * @property {Float} x\n  * @property {Float} y\n  * @property {Float} width\n  * @property {Float} height\n  * @property {Float} [factor] Needed if width or height are 0\n  * @property {Float} [zoom]\n  * @see module:svgcanvas.SvgCanvas#event:zoomed\n  */\n\n  /**\n  * @function module:svgcanvas.SvgCanvas#zoomChanged\n  * @param {external:Window} win\n  * @param {module:svgcanvas.SvgCanvas#event:zoomed} bbox\n  * @param {boolean} autoCenter\n  * @listens module:svgcanvas.SvgCanvas#event:zoomed\n  * @returns {undefined}\n  */\n  const zoomChanged = svgCanvas.zoomChanged = function (win, bbox, autoCenter) {\n    const scrbar = 15,\n      // res = svgCanvas.getResolution(), // Currently unused\n      wArea = workarea;\n    // const canvasPos = $('#svgcanvas').position(); // Currently unused\n    const zInfo = svgCanvas.setBBoxZoom(bbox, wArea.width() - scrbar, wArea.height() - scrbar);\n    if (!zInfo) { return; }\n    const zoomlevel = zInfo.zoom,\n      bb = zInfo.bbox;\n\n    if (zoomlevel < 0.001) {\n      changeZoom({value: 0.1});\n      return;\n    }\n\n    $('#zoom').val((zoomlevel * 100).toFixed(1));\n\n    if (autoCenter) {\n      updateCanvas();\n    } else {\n      updateCanvas(false, {x: bb.x * zoomlevel + (bb.width * zoomlevel) / 2, y: bb.y * zoomlevel + (bb.height * zoomlevel) / 2});\n    }\n\n    if (svgCanvas.getMode() === 'zoom' && bb.width) {\n      // Go to select if a zoom box was drawn\n      setSelectMode();\n    }\n\n    zoomDone();\n  };\n\n  const changeZoom = function (ctl) {\n    const zoomlevel = ctl.value / 100;\n    if (zoomlevel < 0.001) {\n      ctl.value = 0.1;\n      return;\n    }\n    const zoom = svgCanvas.getZoom();\n    const wArea = workarea;\n\n    zoomChanged(window, {\n      width: 0,\n      height: 0,\n      // center pt of scroll position\n      x: (wArea[0].scrollLeft + wArea.width() / 2) / zoom,\n      y: (wArea[0].scrollTop + wArea.height() / 2) / zoom,\n      zoom: zoomlevel\n    }, true);\n  };\n\n  $('#cur_context_panel').delegate('a', 'click', function () {\n    const link = $(this);\n    if (link.attr('data-root')) {\n      svgCanvas.leaveContext();\n    } else {\n      svgCanvas.setContext(link.text());\n    }\n    svgCanvas.clearSelection();\n    return false;\n  });\n\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:contextset} context\n   * @listens module:svgcanvas.SvgCanvas#event:contextset\n   * @returns {undefined}\n   */\n  const contextChanged = function (win, context) {\n    let linkStr = '';\n    if (context) {\n      let str = '';\n      linkStr = '<a href=\"#\" data-root=\"y\">' + svgCanvas.getCurrentDrawing().getCurrentLayerName() + '</a>';\n\n      $(context).parentsUntil('#svgcontent > g').andSelf().each(function () {\n        if (this.id) {\n          str += ' > ' + this.id;\n          if (this !== context) {\n            linkStr += ' > <a href=\"#\">' + this.id + '</a>';\n          } else {\n            linkStr += ' > ' + this.id;\n          }\n        }\n      });\n\n      curContext = str;\n    } else {\n      curContext = null;\n    }\n    $('#cur_context_panel').toggle(!!context).html(linkStr);\n\n    updateTitle();\n  };\n\n  // Makes sure the current selected paint is available to work with\n  const prepPaints = function () {\n    paintBox.fill.prep();\n    paintBox.stroke.prep();\n  };\n\n  const flyoutFuncs = {};\n\n  const setFlyoutTitles = function () {\n    $('.tools_flyout').each(function () {\n      const shower = $('#' + this.id + '_show');\n      if (shower.data('isLibrary')) {\n        return;\n      }\n\n      const tooltips = $(this).children().map(function () {\n        return this.title;\n      }).get();\n      shower[0].title = tooltips.join(' / ');\n    });\n  };\n\n  const allHolders = {};\n  /**\n   * @param {Object.<string, module:SVGEditor.ToolButton>} holders Key is a selector\n   * @returns {undefined}\n   */\n  const setupFlyouts = function (holders) {\n    $.each(holders, function (holdSel, btnOpts) {\n      if (!allHolders[holdSel]) {\n        allHolders[holdSel] = [];\n      }\n      allHolders[holdSel].push(...btnOpts);\n\n      const buttons = $(holdSel).children().not('.tool_button_evt_handled');\n      const showSel = holdSel + '_show';\n      const shower = $(showSel);\n      let def = false;\n      buttons.addClass('tool_button tool_button_evt_handled')\n        .unbind('click mousedown mouseup') // may not be necessary\n        .each(function () {\n          // Get this button's options\n          const idSel = '#' + this.getAttribute('id');\n          const [i, opts] = Object.entries(btnOpts).find(([i, {sel}]) => {\n            return sel === idSel;\n          });\n\n          // Remember the function that goes with this ID\n          flyoutFuncs[opts.sel] = opts.fn;\n\n          if (opts.isDefault) { def = i; }\n\n          /**\n           * Clicking the icon in flyout should set this set's icon\n           * @param {Event} ev\n           * @returns {undefined}\n           */\n          const flyoutAction = function (ev) {\n            let options = opts;\n            // Find the currently selected tool if comes from keystroke\n            if (ev.type === 'keydown') {\n              const flyoutIsSelected = $(options.parent + '_show').hasClass('tool_button_current');\n              const currentOperation = $(options.parent + '_show').attr('data-curopt');\n              Object.entries(holders[opts.parent]).some(([i, tool]) => {\n                if (tool.sel !== currentOperation) {\n                  return;\n                }\n                if (!ev.shiftKey || !flyoutIsSelected) {\n                  options = tool;\n                } else {\n                  // If flyout is selected, allow shift key to iterate through subitems\n                  i = parseInt(i, 10);\n                  // Use `allHolders` to include both extension `includeWith` and toolbarButtons\n                  options = allHolders[opts.parent][i + 1] ||\n                    holders[opts.parent][0];\n                }\n                return true;\n              });\n            }\n            if ($(this).hasClass('disabled')) { return false; }\n            if (toolButtonClick(showSel)) {\n              options.fn();\n            }\n            let icon;\n            if (options.icon) {\n              icon = $.getSvgIcon(options.icon, true);\n            } else {\n              icon = $(options.sel).children().eq(0).clone();\n            }\n\n            icon[0].setAttribute('width', shower.width());\n            icon[0].setAttribute('height', shower.height());\n            shower.children(':not(.flyout_arrow_horiz)').remove();\n            shower.append(icon).attr('data-curopt', options.sel); // This sets the current mode\n          };\n\n          $(this).mouseup(flyoutAction);\n\n          if (opts.key) {\n            $(document).bind('keydown', opts.key[0] + ' shift+' + opts.key[0], flyoutAction);\n          }\n        });\n\n      if (def) {\n        shower.attr('data-curopt', btnOpts[def].sel);\n      } else if (!shower.attr('data-curopt')) {\n        // Set first as default\n        shower.attr('data-curopt', btnOpts[0].sel);\n      }\n\n      let timer;\n      const pos = $(showSel).position();\n\n      // Clicking the \"show\" icon should set the current mode\n      shower.mousedown(function (evt) {\n        if (shower.hasClass('disabled')) {\n          return false;\n        }\n        const holder = $(holdSel);\n        const l = pos.left + 34;\n        const w = holder.width() * -1;\n        const time = holder.data('shown_popop') ? 200 : 0;\n        timer = setTimeout(function () {\n          // Show corresponding menu\n          if (!shower.data('isLibrary')) {\n            holder.css('left', w).show().animate({\n              left: l\n            }, 150);\n          } else {\n            holder.css('left', l).show();\n          }\n          holder.data('shown_popop', true);\n        }, time);\n        evt.preventDefault();\n      }).mouseup(function (evt) {\n        clearTimeout(timer);\n        const opt = $(this).attr('data-curopt');\n        // Is library and popped up, so do nothing\n        if (shower.data('isLibrary') && $(showSel.replace('_show', '')).is(':visible')) {\n          toolButtonClick(showSel, true);\n          return;\n        }\n        if (toolButtonClick(showSel) && flyoutFuncs[opt]) {\n          flyoutFuncs[opt]();\n        }\n      });\n      // $('#tools_rect').mouseleave(function () { $('#tools_rect').fadeOut(); });\n    });\n    setFlyoutTitles();\n    setFlyoutPositions();\n  };\n\n  const makeFlyoutHolder = function (id, child) {\n    const div = $('<div>', {\n      class: 'tools_flyout',\n      id\n    }).appendTo('#svg_editor').append(child);\n\n    return div;\n  };\n\n  // TODO: Combine this with addDropDown or find other way to optimize\n  const addAltDropDown = function (elem, list, callback, opts) {\n    const button = $(elem);\n    const {dropUp} = opts;\n    list = $(list);\n    if (dropUp) {\n      $(elem).addClass('dropup');\n    }\n    list.find('li').bind('mouseup', function () {\n      if (opts.seticon) {\n        setIcon('#cur_' + button[0].id, $(this).children());\n        $(this).addClass('current').siblings().removeClass('current');\n      }\n      callback.apply(this, arguments);\n    });\n\n    let onButton = false;\n    $(window).mouseup(function (evt) {\n      if (!onButton) {\n        button.removeClass('down');\n        list.hide();\n        list.css({top: 0, left: 0});\n      }\n      onButton = false;\n    });\n\n    // const height = list.height(); // Currently unused\n    button.bind('mousedown', function () {\n      const off = button.offset();\n      if (dropUp) {\n        off.top -= list.height();\n        off.left += 8;\n      } else {\n        off.top += button.height();\n      }\n      list.offset(off);\n\n      if (!button.hasClass('down')) {\n        list.show();\n        onButton = true;\n      } else {\n        // CSS position must be reset for Webkit\n        list.hide();\n        list.css({top: 0, left: 0});\n      }\n      button.toggleClass('down');\n    }).hover(function () {\n      onButton = true;\n    }).mouseout(function () {\n      onButton = false;\n    });\n\n    if (opts.multiclick) {\n      list.mousedown(function () {\n        onButton = true;\n      });\n    }\n  };\n\n  const extsPreLang = [];\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:extension_added} ext\n   * @listens module:svgcanvas.SvgCanvas#event:extension_added\n   * @returns {Promise} Resolves to `undefined`\n   */\n  const extAdded = function (win, ext) {\n    if (!ext) {\n      return;\n    }\n    let cbCalled = false;\n    let resizeDone = false;\n\n    if (ext.langReady) {\n      if (editor.langChanged) { // We check for this since the \"lang\" pref could have been set by storage\n        const lang = $.pref('lang');\n        ext.langReady({\n          lang,\n          uiStrings,\n          importLocale: getImportLocale({defaultLang: lang, defaultName: ext.name})\n        });\n      } else {\n        extsPreLang.push(ext);\n      }\n    }\n\n    function prepResize () {\n      if (resizeTimer) {\n        clearTimeout(resizeTimer);\n        resizeTimer = null;\n      }\n      if (!resizeDone) {\n        resizeTimer = setTimeout(function () {\n          resizeDone = true;\n          setIconSize($.pref('iconsize'));\n        }, 50);\n      }\n    }\n\n    const runCallback = function () {\n      if (ext.callback && !cbCalled) {\n        cbCalled = true;\n        ext.callback.call(editor);\n      }\n    };\n\n    const btnSelects = [];\n\n    /**\n    * @typedef {PlainObject} module:SVGEditor.ContextTool\n    * @property {string} panel The ID of the existing panel to which the tool is being added. Required.\n    * @property {string} id The ID of the actual tool element. Required.\n    * @property {PlainObject.<string, external:jQuery.Function>|PlainObject.<\"change\", external:jQuery.Function>} events DOM event names keyed to associated functions. Example: `{change () { alert('Option was changed') } }`. \"change\" event is one specifically handled for the \"button-select\" type. Required.\n    * @property {string} title The tooltip text that will appear when the user hovers over the tool. Required.\n    * @property {\"tool_button\"|\"select\"|\"button-select\"|\"input\"|string} type The type of tool being added. Expected.\n    * @property {PlainObject.<string, string>} [options] List of options and their labels for select tools. Example: `{1: 'One', 2: 'Two', all: 'All' }`. Required by \"select\" tools.\n    * @property {string} [container_id] The ID to be given to the tool's container element.\n    * @property {string} [defval] Default value\n    * @property {string|Integer} [colnum] Added as part of the option list class.\n    * @property {string} [label] Label associated with the tool, visible in the UI\n    * @property {Integer} [size] Value of the \"size\" attribute of the tool input\n    * @property {module:jQuerySpinButton.SpinButtonConfig} [spindata] When added to a tool of type \"input\", this tool becomes a \"spinner\" which allows the number to be in/decreased.\n    */\n    if (ext.context_tools) {\n      $.each(ext.context_tools, function (i, tool) {\n        // Add select tool\n        const contId = tool.container_id ? (' id=\"' + tool.container_id + '\"') : '';\n\n        let panel = $('#' + tool.panel);\n        // create the panel if it doesn't exist\n        if (!panel.length) {\n          panel = $('<div>', {id: tool.panel}).appendTo('#tools_top');\n        }\n\n        let html;\n        // TODO: Allow support for other types, or adding to existing tool\n        switch (tool.type) {\n        case 'tool_button':\n          html = '<div class=\"tool_button\">' + tool.id + '</div>';\n          const div = $(html).appendTo(panel);\n          if (tool.events) {\n            $.each(tool.events, function (evt, func) {\n              $(div).bind(evt, func);\n            });\n          }\n          break;\n        case 'select':\n          html = '<label' + contId + '>' +\n            '<select id=\"' + tool.id + '\">';\n          $.each(tool.options, function (val, text) {\n            const sel = (val === tool.defval) ? ' selected' : '';\n            html += '<option value=\"' + val + '\"' + sel + '>' + text + '</option>';\n          });\n          html += '</select></label>';\n          // Creates the tool, hides & adds it, returns the select element\n          const sel = $(html).appendTo(panel).find('select');\n\n          $.each(tool.events, function (evt, func) {\n            $(sel).bind(evt, func);\n          });\n          break;\n        case 'button-select':\n          html = '<div id=\"' + tool.id + '\" class=\"dropdown toolset\" title=\"' + tool.title + '\">' +\n            '<div id=\"cur_' + tool.id + '\" class=\"icon_label\"></div><button></button></div>';\n\n          const list = $('<ul id=\"' + tool.id + '_opts\"></ul>').appendTo('#option_lists');\n\n          if (tool.colnum) {\n            list.addClass('optcols' + tool.colnum);\n          }\n\n          // Creates the tool, hides & adds it, returns the select element\n          /* const dropdown = */ $(html).appendTo(panel).children();\n\n          btnSelects.push({\n            elem: ('#' + tool.id),\n            list: ('#' + tool.id + '_opts'),\n            title: tool.title,\n            callback: tool.events.change,\n            cur: ('#cur_' + tool.id)\n          });\n\n          break;\n        case 'input':\n          html = '<label' + contId + '>' +\n            '<span id=\"' + tool.id + '_label\">' +\n            tool.label + ':</span>' +\n            '<input id=\"' + tool.id + '\" title=\"' + tool.title +\n            '\" size=\"' + (tool.size || '4') + '\" value=\"' + (tool.defval || '') + '\" type=\"text\"/></label>';\n\n          // Creates the tool, hides & adds it, returns the select element\n\n          // Add to given tool.panel\n          const inp = $(html).appendTo(panel).find('input');\n\n          if (tool.spindata) {\n            inp.SpinButton(tool.spindata);\n          }\n\n          if (tool.events) {\n            $.each(tool.events, function (evt, func) {\n              inp.bind(evt, func);\n            });\n          }\n          break;\n\n        default:\n          break;\n        }\n      });\n    }\n\n    const {svgicons} = ext;\n    if (ext.buttons) {\n      const fallbackObj = {},\n        placementObj = {},\n        holders = {};\n\n      /**\n      * @typedef {GenericArray} module:SVGEditor.KeyArray\n      * @property {string} 0 The key to bind (on `keydown`)\n      * @property {boolean} 1 Whether to `preventDefault` on the `keydown` event\n      * @property {boolean} 2 Not apparently in use (NoDisableInInput)\n      */\n      /**\n       * @typedef {string|module:SVGEditor.KeyArray} module:SVGEditor.Key\n       */\n      /**\n      * @typedef {PlainObject} module:SVGEditor.Button\n      * @property {string} id A unique identifier for this button. If SVG icons are used, this must match the ID used in the icon file. Required.\n      * @property {\"mode_flyout\"|\"mode\"|\"context\"|\"app_menu\"} type Type of button. Required.\n      * @property {string} title The tooltip text that will appear when the user hovers over the icon. Required.\n      * @property {PlainObject.<string, external:jQuery.Function>|PlainObject.<\"click\", external:jQuery.Function>} events DOM event names with associated functions. Example: `{click () { alert('Button was clicked') } }`. Click is used with `includeWith` and `type` of \"mode_flyout\" (and \"mode\"); any events may be added if `list` is not present. Expected.\n      * @property {string} panel The ID of the context panel to be included, if type is \"context\". Required only if type is \"context\".\n      * @property {string} icon The file path to the raster version of the icon image source. Required only if no `svgicons` is supplied from [ExtensionInitResponse]{@link module:svgcanvas.ExtensionInitResponse}.\n      * @property {string} [svgicon] If absent, will utilize the button \"id\"; used to set \"placement\" on the `svgIcons` call\n      * @property {string} [list] Points to the \"id\" of a `context_tools` item of type \"button-select\" into which the button will be added as a panel list item\n      * @property {Integer} [position] The numeric index for placement; defaults to last position (as of the time of extension addition) if not present. For use with {@link http://api.jquery.com/eq/}.\n      * @property {boolean} [isDefault] Whether or not the button is the default. Used with `list`.\n      * @property {PlainObject} [includeWith] Object with flyout menu data\n      * @property {boolean} [includeWith.isDefault] Indicates whether button is default in flyout list or not.\n      * @property {string} includeWith.button jQuery selector of the existing button to be joined. Example: '#tool_line'. Required if `includeWith` is used.\n      * @property {\"last\"|Integer} [includeWith.position] Position of icon in flyout list; will be added to end if not indicated. Integer is for use with {@link http://api.jquery.com/eq/}.\n      * @property {module:SVGEditor.Key} [key] The key to bind to the button\n      */\n      // Add buttons given by extension\n      $.each(ext.buttons, function (i, /** @type {module:SVGEditor.Button} */ btn) {\n        let {id} = btn;\n        let num = i;\n        // Give button a unique ID\n        while ($('#' + id).length) {\n          id = btn.id + '_' + (++num);\n        }\n\n        let icon;\n        if (!svgicons) {\n          icon = $('<img src=\"' + btn.icon + '\">');\n        } else {\n          fallbackObj[id] = btn.icon;\n          const svgicon = btn.svgicon || btn.id;\n          if (btn.type === 'app_menu') {\n            placementObj['#' + id + ' > div'] = svgicon;\n          } else {\n            placementObj['#' + id] = svgicon;\n          }\n        }\n\n        let cls, parent;\n\n        // Set button up according to its type\n        switch (btn.type) {\n        case 'mode_flyout':\n        case 'mode':\n          cls = 'tool_button';\n          parent = '#tools_left';\n          break;\n        case 'context':\n          cls = 'tool_button';\n          parent = '#' + btn.panel;\n          // create the panel if it doesn't exist\n          if (!$(parent).length) {\n            $('<div>', {id: btn.panel}).appendTo('#tools_top');\n          }\n          break;\n        case 'app_menu':\n          cls = '';\n          parent = '#main_menu ul';\n          break;\n        }\n        let flyoutHolder, showBtn, refData, refBtn;\n        const button = $((btn.list || btn.type === 'app_menu') ? '<li/>' : '<div/>')\n          .attr('id', id)\n          .attr('title', btn.title)\n          .addClass(cls);\n        if (!btn.includeWith && !btn.list) {\n          if ('position' in btn) {\n            if ($(parent).children().eq(btn.position).length) {\n              $(parent).children().eq(btn.position).before(button);\n            } else {\n              $(parent).children().last().before(button);\n            }\n          } else {\n            button.appendTo(parent);\n          }\n\n          if (btn.type === 'mode_flyout') {\n          // Add to flyout menu / make flyout menu\n            // const opts = btn.includeWith;\n            // // opts.button, default, position\n            refBtn = $(button);\n\n            flyoutHolder = refBtn.parent();\n            // Create a flyout menu if there isn't one already\n            let tlsId;\n            if (!refBtn.parent().hasClass('tools_flyout')) {\n              // Create flyout placeholder\n              tlsId = refBtn[0].id.replace('tool_', 'tools_');\n              showBtn = refBtn.clone()\n                .attr('id', tlsId + '_show')\n                .append($('<div>', {class: 'flyout_arrow_horiz'}));\n\n              refBtn.before(showBtn);\n\n              // Create a flyout div\n              flyoutHolder = makeFlyoutHolder(tlsId, refBtn);\n              flyoutHolder.data('isLibrary', true);\n              showBtn.data('isLibrary', true);\n            }\n            // refData = Actions.getButtonData(opts.button);\n\n            placementObj['#' + tlsId + '_show'] = btn.id;\n            // TODO: Find way to set the current icon using the iconloader if this is not default\n\n            // Include data for extension button as well as ref button\n            /* curH = */ holders['#' + flyoutHolder[0].id] = [{\n              sel: '#' + id,\n              fn: btn.events.click,\n              icon: btn.id,\n              // key: btn.key,\n              isDefault: true\n            }]; // , refData\n            //\n            // // {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}\n            //\n            // const pos = ('position' in opts)?opts.position:'last';\n            // const len = flyoutHolder.children().length;\n            //\n            // // Add at given position or end\n            // if (!isNaN(pos) && pos >= 0 && pos < len) {\n            //   flyoutHolder.children().eq(pos).before(button);\n            // } else {\n            //   flyoutHolder.append(button);\n            //   curH.reverse();\n            // }\n          } else if (btn.type === 'app_menu') {\n            button.append('<div>').append(btn.title);\n          }\n        } else if (btn.list) {\n          // Add button to list\n          button.addClass('push_button');\n          $('#' + btn.list + '_opts').append(button);\n          if (btn.isDefault) {\n            $('#cur_' + btn.list).append(button.children().clone());\n            const svgicon = btn.svgicon || btn.id;\n            placementObj['#cur_' + btn.list] = svgicon;\n          }\n        } else if (btn.includeWith) {\n          // Add to flyout menu / make flyout menu\n          const opts = btn.includeWith;\n          // opts.button, default, position\n          refBtn = $(opts.button);\n\n          flyoutHolder = refBtn.parent();\n          // Create a flyout menu if there isn't one already\n          let tlsId;\n          if (!refBtn.parent().hasClass('tools_flyout')) {\n            // Create flyout placeholder\n            tlsId = refBtn[0].id.replace('tool_', 'tools_');\n            showBtn = refBtn.clone()\n              .attr('id', tlsId + '_show')\n              .append($('<div>', {class: 'flyout_arrow_horiz'}));\n\n            refBtn.before(showBtn);\n            // Create a flyout div\n            flyoutHolder = makeFlyoutHolder(tlsId, refBtn);\n          }\n\n          refData = Actions.getButtonData(opts.button);\n\n          if (opts.isDefault) {\n            placementObj['#' + tlsId + '_show'] = btn.id;\n          }\n          // TODO: Find way to set the current icon using the iconloader if this is not default\n\n          // Include data for extension button as well as ref button\n          const curH = holders['#' + flyoutHolder[0].id] = [{\n            sel: '#' + id,\n            fn: btn.events.click,\n            icon: btn.id,\n            key: btn.key,\n            isDefault: Boolean(btn.includeWith && btn.includeWith.isDefault)\n          }, refData];\n\n          // {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}\n\n          const pos = ('position' in opts) ? opts.position : 'last';\n          const len = flyoutHolder.children().length;\n\n          // Add at given position or end\n          if (!isNaN(pos) && pos >= 0 && pos < len) {\n            flyoutHolder.children().eq(pos).before(button);\n          } else {\n            flyoutHolder.append(button);\n            curH.reverse();\n          }\n        }\n\n        if (!svgicons) {\n          button.append(icon);\n        }\n\n        if (!btn.list) {\n          // Add given events to button\n          $.each(btn.events, function (name, func) {\n            if (name === 'click' && btn.type === 'mode') {\n              if (btn.includeWith) {\n                button.bind(name, func);\n              } else {\n                button.bind(name, function () {\n                  if (toolButtonClick(button)) {\n                    func();\n                  }\n                });\n              }\n              if (btn.key) {\n                $(document).bind('keydown', btn.key, func);\n                if (btn.title) {\n                  button.attr('title', btn.title + ' [' + btn.key + ']');\n                }\n              }\n            } else {\n              button.bind(name, func);\n            }\n          });\n        }\n\n        setupFlyouts(holders);\n      });\n\n      $.each(btnSelects, function () {\n        addAltDropDown(this.elem, this.list, this.callback, {seticon: true});\n      });\n\n      if (svgicons) {\n        return new Promise((resolve, reject) => {\n          $.svgIcons(svgicons, {\n            w: 24, h: 24,\n            id_match: false,\n            no_img: (!isWebkit()),\n            fallback: fallbackObj,\n            placement: placementObj,\n            callback (icons) {\n              // Non-ideal hack to make the icon match the current size\n              // if (curPrefs.iconsize && curPrefs.iconsize !== 'm') {\n              if ($.pref('iconsize') !== 'm') {\n                prepResize();\n              }\n              runCallback();\n              resolve();\n            }\n          });\n        });\n      }\n    }\n    return runCallback();\n  };\n\n  const getPaint = function (color, opac, type) {\n    // update the editor's fill paint\n    const opts = {alpha: opac};\n    if (color.startsWith('url(#')) {\n      let refElem = svgCanvas.getRefElem(color);\n      if (refElem) {\n        refElem = refElem.cloneNode(true);\n      } else {\n        refElem = $('#' + type + '_color defs *')[0];\n      }\n      opts[refElem.tagName] = refElem;\n    } else if (color.startsWith('#')) {\n      opts.solidColor = color.substr(1);\n    } else {\n      opts.solidColor = 'none';\n    }\n    return new $.jGraduate.Paint(opts);\n  };\n\n  // $('#text').focus(function () { textBeingEntered = true; });\n  // $('#text').blur(function () { textBeingEntered = false; });\n\n  // bind the selected event to our function that handles updates to the UI\n  svgCanvas.bind('selected', selectedChanged);\n  svgCanvas.bind('transition', elementTransition);\n  svgCanvas.bind('changed', elementChanged);\n  svgCanvas.bind('saved', saveHandler);\n  svgCanvas.bind('exported', exportHandler);\n  svgCanvas.bind('exportedPDF', function (win, data) {\n    if (!data.output) { // Ignore Chrome\n      return;\n    }\n    const {exportWindowName} = data;\n    if (exportWindowName) {\n      exportWindow = window.open('', exportWindowName); // A hack to get the window via JSON-able name without opening a new one\n    }\n    if (!exportWindow || exportWindow.closed) {\n      $.alert(uiStrings.notification.popupWindowBlocked);\n      return;\n    }\n    exportWindow.location.href = data.output;\n  });\n  svgCanvas.bind('zoomed', zoomChanged);\n  svgCanvas.bind('zoomDone', zoomDone);\n  svgCanvas.bind(\n    'updateCanvas',\n    /**\n     * @param {external:Window} win\n     * @param {false} center\n     * @param {module:math.XYObject} newCtr\n     * @listens module:svgcanvas.SvgCanvas#event:updateCanvas\n     * @returns {undefined}\n     */\n    function (win, {center, newCtr}) {\n      updateCanvas(center, newCtr);\n    }\n  );\n  svgCanvas.bind('contextset', contextChanged);\n  svgCanvas.bind('extension_added', extAdded);\n  svgCanvas.textActions.setInputElem($('#text')[0]);\n\n  let str = '<div class=\"palette_item\" data-rgb=\"none\"></div>';\n  $.each(palette, function (i, item) {\n    str += '<div class=\"palette_item\" style=\"background-color: ' + item + ';\" data-rgb=\"' + item + '\"></div>';\n  });\n  $('#palette').append(str);\n\n  // Set up editor background functionality\n  // TODO add checkerboard as \"pattern\"\n  const colorBlocks = ['#FFF', '#888', '#000']; // ,'url(data:image/gif;base64,R0lGODlhEAAQAIAAAP%2F%2F%2F9bW1iH5BAAAAAAALAAAAAAQABAAAAIfjG%2Bgq4jM3IFLJgpswNly%2FXkcBpIiVaInlLJr9FZWAQA7)'];\n  str = '';\n  $.each(colorBlocks, function () {\n    str += '<div class=\"color_block\" style=\"background-color:' + this + ';\"></div>';\n  });\n  $('#bg_blocks').append(str);\n  const blocks = $('#bg_blocks div');\n  const curBg = 'cur_background';\n  blocks.each(function () {\n    const blk = $(this);\n    blk.click(function () {\n      blocks.removeClass(curBg);\n      $(this).addClass(curBg);\n    });\n  });\n\n  setBackground($.pref('bkgd_color'), $.pref('bkgd_url'));\n\n  $('#image_save_opts input').val([$.pref('img_save')]);\n\n  const changeRectRadius = function (ctl) {\n    svgCanvas.setRectRadius(ctl.value);\n  };\n\n  const changeFontSize = function (ctl) {\n    svgCanvas.setFontSize(ctl.value);\n  };\n\n  const changeStrokeWidth = function (ctl) {\n    let val = ctl.value;\n    if (val === 0 && selectedElement && ['line', 'polyline'].includes(selectedElement.nodeName)) {\n      val = ctl.value = 1;\n    }\n    svgCanvas.setStrokeWidth(val);\n  };\n\n  const changeRotationAngle = function (ctl) {\n    svgCanvas.setRotationAngle(ctl.value);\n    $('#tool_reorient').toggleClass('disabled', parseInt(ctl.value, 10) === 0);\n  };\n\n  const changeOpacity = function (ctl, val) {\n    if (val == null) { val = ctl.value; }\n    $('#group_opacity').val(val);\n    if (!ctl || !ctl.handle) {\n      $('#opac_slider').slider('option', 'value', val);\n    }\n    svgCanvas.setOpacity(val / 100);\n  };\n\n  const changeBlur = function (ctl, val, noUndo) {\n    if (val == null) { val = ctl.value; }\n    $('#blur').val(val);\n    let complete = false;\n    if (!ctl || !ctl.handle) {\n      $('#blur_slider').slider('option', 'value', val);\n      complete = true;\n    }\n    if (noUndo) {\n      svgCanvas.setBlurNoUndo(val);\n    } else {\n      svgCanvas.setBlur(val, complete);\n    }\n  };\n\n  $('#stroke_style').change(function () {\n    svgCanvas.setStrokeAttr('stroke-dasharray', $(this).val());\n    operaRepaint();\n  });\n\n  $('#stroke_linejoin').change(function () {\n    svgCanvas.setStrokeAttr('stroke-linejoin', $(this).val());\n    operaRepaint();\n  });\n\n  // Lose focus for select elements when changed (Allows keyboard shortcuts to work better)\n  $('select').change(function () { $(this).blur(); });\n\n  // fired when user wants to move elements to another layer\n  let promptMoveLayerOnce = false;\n  $('#selLayerNames').change(function () {\n    const destLayer = this.options[this.selectedIndex].value;\n    const confirmStr = uiStrings.notification.QmoveElemsToLayer.replace('%s', destLayer);\n    const moveToLayer = function (ok) {\n      if (!ok) { return; }\n      promptMoveLayerOnce = true;\n      svgCanvas.moveSelectedToLayer(destLayer);\n      svgCanvas.clearSelection();\n      populateLayers();\n    };\n    if (destLayer) {\n      if (promptMoveLayerOnce) {\n        moveToLayer(true);\n      } else {\n        $.confirm(confirmStr, moveToLayer);\n      }\n    }\n  });\n\n  $('#font_family').change(function () {\n    svgCanvas.setFontFamily(this.value);\n  });\n\n  $('#seg_type').change(function () {\n    svgCanvas.setSegType($(this).val());\n  });\n\n  $('#text').bind('keyup input', function () {\n    svgCanvas.setTextContent(this.value);\n  });\n\n  $('#image_url').change(function () {\n    setImageURL(this.value);\n  });\n\n  $('#link_url').change(function () {\n    if (this.value.length) {\n      svgCanvas.setLinkURL(this.value);\n    } else {\n      svgCanvas.removeHyperlink();\n    }\n  });\n\n  $('#g_title').change(function () {\n    svgCanvas.setGroupTitle(this.value);\n  });\n\n  $('.attr_changer').change(function () {\n    const attr = this.getAttribute('data-attr');\n    let val = this.value;\n    const valid = isValidUnit(attr, val, selectedElement);\n\n    if (!valid) {\n      $.alert(uiStrings.notification.invalidAttrValGiven);\n      this.value = selectedElement.getAttribute(attr);\n      return false;\n    }\n\n    if (attr !== 'id' && attr !== 'class') {\n      if (isNaN(val)) {\n        val = svgCanvas.convertToNum(attr, val);\n      } else if (curConfig.baseUnit !== 'px') {\n        // Convert unitless value to one with given unit\n\n        const unitData = getTypeMap();\n\n        if (selectedElement[attr] || svgCanvas.getMode() === 'pathedit' || attr === 'x' || attr === 'y') {\n          val *= unitData[curConfig.baseUnit];\n        }\n      }\n    }\n\n    // if the user is changing the id, then de-select the element first\n    // change the ID, then re-select it with the new ID\n    if (attr === 'id') {\n      const elem = selectedElement;\n      svgCanvas.clearSelection();\n      elem.id = val;\n      svgCanvas.addToSelection([elem], true);\n    } else {\n      svgCanvas.changeSelectedAttribute(attr, val);\n    }\n    this.blur();\n  });\n\n  // Prevent selection of elements when shift-clicking\n  $('#palette').mouseover(function () {\n    const inp = $('<input type=\"hidden\">');\n    $(this).append(inp);\n    inp.focus().remove();\n  });\n\n  $('.palette_item').mousedown(function (evt) {\n    // shift key or right click for stroke\n    const picker = evt.shiftKey || evt.button === 2 ? 'stroke' : 'fill';\n    let color = $(this).data('rgb');\n    let paint;\n\n    // Webkit-based browsers returned 'initial' here for no stroke\n    if (color === 'none' || color === 'transparent' || color === 'initial') {\n      color = 'none';\n      paint = new $.jGraduate.Paint();\n    } else {\n      paint = new $.jGraduate.Paint({alpha: 100, solidColor: color.substr(1)});\n    }\n\n    paintBox[picker].setPaint(paint);\n    svgCanvas.setColor(picker, color);\n\n    if (color !== 'none' && svgCanvas.getPaintOpacity(picker) !== 1) {\n      svgCanvas.setPaintOpacity(picker, 1.0);\n    }\n    updateToolButtonState();\n  }).bind('contextmenu', function (e) { e.preventDefault(); });\n\n  $('#toggle_stroke_tools').on('click', function () {\n    $('#tools_bottom').toggleClass('expanded');\n  });\n\n  (function () {\n    const wArea = workarea[0];\n\n    let lastX = null, lastY = null,\n      panning = false, keypan = false;\n\n    $('#svgcanvas').bind('mousemove mouseup', function (evt) {\n      if (panning === false) { return; }\n\n      wArea.scrollLeft -= (evt.clientX - lastX);\n      wArea.scrollTop -= (evt.clientY - lastY);\n\n      lastX = evt.clientX;\n      lastY = evt.clientY;\n\n      if (evt.type === 'mouseup') { panning = false; }\n      return false;\n    }).mousedown(function (evt) {\n      if (evt.button === 1 || keypan === true) {\n        panning = true;\n        lastX = evt.clientX;\n        lastY = evt.clientY;\n        return false;\n      }\n    });\n\n    $(window).mouseup(function () {\n      panning = false;\n    });\n\n    $(document).bind('keydown', 'space', function (evt) {\n      svgCanvas.spaceKey = keypan = true;\n      evt.preventDefault();\n    }).bind('keyup', 'space', function (evt) {\n      evt.preventDefault();\n      svgCanvas.spaceKey = keypan = false;\n    }).bind('keydown', 'shift', function (evt) {\n      if (svgCanvas.getMode() === 'zoom') {\n        workarea.css('cursor', zoomOutIcon);\n      }\n    }).bind('keyup', 'shift', function (evt) {\n      if (svgCanvas.getMode() === 'zoom') {\n        workarea.css('cursor', zoomInIcon);\n      }\n    });\n\n    /**\n    * @param {boolean} active\n    * @returns {undefined}\n    */\n    editor.setPanning = function (active) {\n      svgCanvas.spaceKey = keypan = active;\n    };\n  }());\n\n  (function () {\n    const button = $('#main_icon');\n    const overlay = $('#main_icon span');\n    const list = $('#main_menu');\n\n    let onButton = false;\n    let height = 0;\n    let jsHover = true;\n    let setClick = false;\n\n    /*\n    // Currently unused\n    const hideMenu = function () {\n      list.fadeOut(200);\n    };\n    */\n\n    $(window).mouseup(function (evt) {\n      if (!onButton) {\n        button.removeClass('buttondown');\n        // do not hide if it was the file input as that input needs to be visible\n        // for its change event to fire\n        if (evt.target.tagName !== 'INPUT') {\n          list.fadeOut(200);\n        } else if (!setClick) {\n          setClick = true;\n          $(evt.target).click(function () {\n            list.css('margin-left', '-9999px').show();\n          });\n        }\n      }\n      onButton = false;\n    }).mousedown(function (evt) {\n      // $('.contextMenu').hide();\n      const islib = $(evt.target).closest('div.tools_flyout, .contextMenu').length;\n      if (!islib) {\n        $('.tools_flyout:visible,.contextMenu').fadeOut(250);\n      }\n    });\n\n    overlay.bind('mousedown', function () {\n      if (!button.hasClass('buttondown')) {\n        // Margin must be reset in case it was changed before;\n        list.css('margin-left', 0).show();\n        if (!height) {\n          height = list.height();\n        }\n        // Using custom animation as slideDown has annoying 'bounce effect'\n        list.css('height', 0).animate({\n          height\n        }, 200);\n        onButton = true;\n      } else {\n        list.fadeOut(200);\n      }\n      button.toggleClass('buttondown buttonup');\n    }).hover(function () {\n      onButton = true;\n    }).mouseout(function () {\n      onButton = false;\n    });\n\n    const listItems = $('#main_menu li');\n\n    // Check if JS method of hovering needs to be used (Webkit bug)\n    listItems.mouseover(function () {\n      jsHover = ($(this).css('background-color') === 'rgba(0, 0, 0, 0)');\n\n      listItems.unbind('mouseover');\n      if (jsHover) {\n        listItems.mouseover(function () {\n          this.style.backgroundColor = '#FFC';\n        }).mouseout(function () {\n          this.style.backgroundColor = 'transparent';\n          return true;\n        });\n      }\n    });\n  }());\n  // Made public for UI customization.\n  // TODO: Group UI functions into a public editor.ui interface.\n  /**\n   * See {@link http://api.jquery.com/bind/#bind-eventType-eventData-handler}\n   * @callback module:SVGEditor.DropDownCallback\n   * @param {external:jQuery.Event} ev See {@link http://api.jquery.com/Types/#Event}\n   * @listens external:jQuery.Event\n   * @returns {undefined|boolean} Calls `preventDefault()` and `stopPropagation()`\n  */\n  /**\n   * @param {Element|string} elem DOM Element or selector\n   * @param {module:SVGEditor.DropDownCallback} callback Mouseup callback\n   * @param {boolean} dropUp\n   * @returns {undefined}\n  */\n  editor.addDropDown = function (elem, callback, dropUp) {\n    if (!$(elem).length) { return; } // Quit if called on non-existent element\n    const button = $(elem).find('button');\n    const list = $(elem).find('ul').attr('id', $(elem)[0].id + '-list');\n    if (dropUp) {\n      $(elem).addClass('dropup');\n    } else {\n      // Move list to place where it can overflow container\n      $('#option_lists').append(list);\n    }\n    list.find('li').bind('mouseup', callback);\n\n    let onButton = false;\n    $(window).mouseup(function (evt) {\n      if (!onButton) {\n        button.removeClass('down');\n        list.hide();\n      }\n      onButton = false;\n    });\n\n    button.bind('mousedown', function () {\n      if (!button.hasClass('down')) {\n        if (!dropUp) {\n          const pos = $(elem).position();\n          list.css({\n            top: pos.top + 24,\n            left: pos.left - 10\n          });\n        }\n        list.show();\n        onButton = true;\n      } else {\n        list.hide();\n      }\n      button.toggleClass('down');\n    }).hover(function () {\n      onButton = true;\n    }).mouseout(function () {\n      onButton = false;\n    });\n  };\n\n  editor.addDropDown('#font_family_dropdown', function () {\n    $('#font_family').val($(this).text()).change();\n  });\n\n  editor.addDropDown('#opacity_dropdown', function () {\n    if ($(this).find('div').length) { return; }\n    const perc = parseInt($(this).text().split('%')[0], 10);\n    changeOpacity(false, perc);\n  }, true);\n\n  // For slider usage, see: http://jqueryui.com/demos/slider/\n  $('#opac_slider').slider({\n    start () {\n      $('#opacity_dropdown li:not(.special)').hide();\n    },\n    stop () {\n      $('#opacity_dropdown li').show();\n      $(window).mouseup();\n    },\n    slide (evt, ui) {\n      changeOpacity(ui);\n    }\n  });\n\n  editor.addDropDown('#blur_dropdown', $.noop);\n\n  let slideStart = false;\n  $('#blur_slider').slider({\n    max: 10,\n    step: 0.1,\n    stop (evt, ui) {\n      slideStart = false;\n      changeBlur(ui);\n      $('#blur_dropdown li').show();\n      $(window).mouseup();\n    },\n    start () {\n      slideStart = true;\n    },\n    slide (evt, ui) {\n      changeBlur(ui, null, slideStart);\n    }\n  });\n\n  editor.addDropDown('#zoom_dropdown', function () {\n    const item = $(this);\n    const val = item.data('val');\n    if (val) {\n      zoomChanged(window, val);\n    } else {\n      changeZoom({value: parseFloat(item.text())});\n    }\n  }, true);\n\n  addAltDropDown('#stroke_linecap', '#linecap_opts', function () {\n    setStrokeOpt(this, true);\n  }, {dropUp: true});\n\n  addAltDropDown('#stroke_linejoin', '#linejoin_opts', function () {\n    setStrokeOpt(this, true);\n  }, {dropUp: true});\n\n  addAltDropDown('#tool_position', '#position_opts', function () {\n    const letter = this.id.replace('tool_pos', '').charAt(0);\n    svgCanvas.alignSelectedElements(letter, 'page');\n  }, {multiclick: true});\n\n  /*\n\n  When a flyout icon is selected\n    (if flyout) {\n    - Change the icon\n    - Make pressing the button run its stuff\n    }\n    - Run its stuff\n\n  When its shortcut key is pressed\n    - If not current in list, do as above\n    , else:\n    - Just run its stuff\n\n  */\n\n  // Unfocus text input when workarea is mousedowned.\n  (function () {\n    let inp;\n    const unfocus = function () {\n      $(inp).blur();\n    };\n\n    $('#svg_editor').find('button, select, input:not(#text)').focus(function () {\n      inp = this;\n      uiContext = 'toolbars';\n      workarea.mousedown(unfocus);\n    }).blur(function () {\n      uiContext = 'canvas';\n      workarea.unbind('mousedown', unfocus);\n      // Go back to selecting text if in textedit mode\n      if (svgCanvas.getMode() === 'textedit') {\n        $('#text').focus();\n      }\n    });\n  }());\n\n  const clickFHPath = function () {\n    if (toolButtonClick('#tool_fhpath')) {\n      svgCanvas.setMode('fhpath');\n    }\n  };\n\n  const clickLine = function () {\n    if (toolButtonClick('#tool_line')) {\n      svgCanvas.setMode('line');\n    }\n  };\n\n  const clickSquare = function () {\n    if (toolButtonClick('#tool_square')) {\n      svgCanvas.setMode('square');\n    }\n  };\n\n  const clickRect = function () {\n    if (toolButtonClick('#tool_rect')) {\n      svgCanvas.setMode('rect');\n    }\n  };\n\n  const clickFHRect = function () {\n    if (toolButtonClick('#tool_fhrect')) {\n      svgCanvas.setMode('fhrect');\n    }\n  };\n\n  const clickCircle = function () {\n    if (toolButtonClick('#tool_circle')) {\n      svgCanvas.setMode('circle');\n    }\n  };\n\n  const clickEllipse = function () {\n    if (toolButtonClick('#tool_ellipse')) {\n      svgCanvas.setMode('ellipse');\n    }\n  };\n\n  const clickFHEllipse = function () {\n    if (toolButtonClick('#tool_fhellipse')) {\n      svgCanvas.setMode('fhellipse');\n    }\n  };\n\n  const clickImage = function () {\n    if (toolButtonClick('#tool_image')) {\n      svgCanvas.setMode('image');\n    }\n  };\n\n  const clickZoom = function () {\n    if (toolButtonClick('#tool_zoom')) {\n      svgCanvas.setMode('zoom');\n      workarea.css('cursor', zoomInIcon);\n    }\n  };\n\n  const zoomImage = function (multiplier) {\n    const res = svgCanvas.getResolution();\n    multiplier = multiplier ? res.zoom * multiplier : 1;\n    // setResolution(res.w * multiplier, res.h * multiplier, true);\n    $('#zoom').val(multiplier * 100);\n    svgCanvas.setZoom(multiplier);\n    zoomDone();\n    updateCanvas(true);\n  };\n\n  const dblclickZoom = function () {\n    if (toolButtonClick('#tool_zoom')) {\n      zoomImage();\n      setSelectMode();\n    }\n  };\n\n  const clickText = function () {\n    if (toolButtonClick('#tool_text')) {\n      svgCanvas.setMode('text');\n    }\n  };\n\n  const clickPath = function () {\n    if (toolButtonClick('#tool_path')) {\n      svgCanvas.setMode('path');\n    }\n  };\n\n  // Delete is a contextual tool that only appears in the ribbon if\n  // an element has been selected\n  const deleteSelected = function () {\n    if (selectedElement != null || multiselected) {\n      svgCanvas.deleteSelectedElements();\n    }\n  };\n\n  const cutSelected = function () {\n    if (selectedElement != null || multiselected) {\n      svgCanvas.cutSelectedElements();\n    }\n  };\n\n  const copySelected = function () {\n    if (selectedElement != null || multiselected) {\n      svgCanvas.copySelectedElements();\n    }\n  };\n\n  const pasteInCenter = function () {\n    const zoom = svgCanvas.getZoom();\n    const x = (workarea[0].scrollLeft + workarea.width() / 2) / zoom - svgCanvas.contentW;\n    const y = (workarea[0].scrollTop + workarea.height() / 2) / zoom - svgCanvas.contentH;\n    svgCanvas.pasteElements('point', x, y);\n  };\n\n  const moveToTopSelected = function () {\n    if (selectedElement != null) {\n      svgCanvas.moveToTopSelectedElement();\n    }\n  };\n\n  const moveToBottomSelected = function () {\n    if (selectedElement != null) {\n      svgCanvas.moveToBottomSelectedElement();\n    }\n  };\n\n  const moveUpDownSelected = function (dir) {\n    if (selectedElement != null) {\n      svgCanvas.moveUpDownSelected(dir);\n    }\n  };\n\n  const convertToPath = function () {\n    if (selectedElement != null) {\n      svgCanvas.convertToPath();\n    }\n  };\n\n  const reorientPath = function () {\n    if (selectedElement != null) {\n      path.reorient();\n    }\n  };\n\n  const makeHyperlink = function () {\n    if (selectedElement != null || multiselected) {\n      $.prompt(uiStrings.notification.enterNewLinkURL, 'http://', function (url) {\n        if (url) { svgCanvas.makeHyperlink(url); }\n      });\n    }\n  };\n\n  const moveSelected = function (dx, dy) {\n    if (selectedElement != null || multiselected) {\n      if (curConfig.gridSnapping) {\n        // Use grid snap value regardless of zoom level\n        const multi = svgCanvas.getZoom() * curConfig.snappingStep;\n        dx *= multi;\n        dy *= multi;\n      }\n      svgCanvas.moveSelectedElements(dx, dy);\n    }\n  };\n\n  const linkControlPoints = function () {\n    $('#tool_node_link').toggleClass('push_button_pressed tool_button');\n    const linked = $('#tool_node_link').hasClass('push_button_pressed');\n    path.linkControlPoints(linked);\n  };\n\n  const clonePathNode = function () {\n    if (path.getNodePoint()) {\n      path.clonePathNode();\n    }\n  };\n\n  const deletePathNode = function () {\n    if (path.getNodePoint()) {\n      path.deletePathNode();\n    }\n  };\n\n  const addSubPath = function () {\n    const button = $('#tool_add_subpath');\n    const sp = !button.hasClass('push_button_pressed');\n    button.toggleClass('push_button_pressed tool_button');\n    path.addSubPath(sp);\n  };\n\n  const opencloseSubPath = function () {\n    path.opencloseSubPath();\n  };\n\n  const selectNext = function () {\n    svgCanvas.cycleElement(1);\n  };\n\n  const selectPrev = function () {\n    svgCanvas.cycleElement(0);\n  };\n\n  const rotateSelected = function (cw, step) {\n    if (selectedElement == null || multiselected) { return; }\n    if (!cw) { step *= -1; }\n    const angle = parseFloat($('#angle').val()) + step;\n    svgCanvas.setRotationAngle(angle);\n    updateContextPanel();\n  };\n\n  /**\n   * @fires module:svgcanvas.SvgCanvas#event:ext-onNewDocument\n   * @returns {undefined}\n   */\n  const clickClear = function () {\n    const [x, y] = curConfig.dimensions;\n    $.confirm(uiStrings.notification.QwantToClear, function (ok) {\n      if (!ok) { return; }\n      setSelectMode();\n      svgCanvas.clear();\n      svgCanvas.setResolution(x, y);\n      updateCanvas(true);\n      zoomImage();\n      populateLayers();\n      updateContextPanel();\n      prepPaints();\n      svgCanvas.runExtensions('onNewDocument');\n    });\n  };\n\n  const clickBold = function () {\n    svgCanvas.setBold(!svgCanvas.getBold());\n    updateContextPanel();\n    return false;\n  };\n\n  const clickItalic = function () {\n    svgCanvas.setItalic(!svgCanvas.getItalic());\n    updateContextPanel();\n    return false;\n  };\n\n  const clickSave = function () {\n    // In the future, more options can be provided here\n    const saveOpts = {\n      images: $.pref('img_save'),\n      round_digits: 6\n    };\n    svgCanvas.save(saveOpts);\n  };\n\n  let loadingURL;\n  const clickExport = function () {\n    $.select('Select an image type for export: ', [\n      // See http://kangax.github.io/jstests/toDataUrl_mime_type_test/ for a useful list of MIME types and browser support\n      // 'ICO', // Todo: Find a way to preserve transparency in SVG-Edit if not working presently and do full packaging for x-icon; then switch back to position after 'PNG'\n      'PNG',\n      'JPEG', 'BMP', 'WEBP', 'PDF'\n    ], async function (imgType) { // todo: replace hard-coded msg with uiStrings.notification.\n      if (!imgType) {\n        return;\n      }\n      // Open placeholder window (prevents popup)\n      let exportWindowName;\n      function openExportWindow () {\n        const str = uiStrings.notification.loadingImage;\n        if (curConfig.exportWindowType === 'new') {\n          editor.exportWindowCt++;\n        }\n        exportWindowName = curConfig.canvasName + editor.exportWindowCt;\n        let popHTML, popURL;\n        if (loadingURL) {\n          popURL = loadingURL;\n        } else {\n          popHTML = `<!DOCTYPE html><html>\n            <head>\n              <meta charset=\"utf-8\">\n              <title>${str}</title>\n            </head>\n            <body><h1>${str}</h1></body>\n          <html>`;\n          if (typeof URL !== 'undefined' && URL.createObjectURL) {\n            const blob = new Blob([popHTML], {type: 'text/html'});\n            popURL = URL.createObjectURL(blob);\n          } else {\n            popURL = 'data:text/html;base64;charset=utf-8,' + Utils.encode64(popHTML);\n          }\n          loadingURL = popURL;\n        }\n        exportWindow = window.open(popURL, exportWindowName);\n      }\n      const chrome = isChrome();\n      if (imgType === 'PDF') {\n        if (!customExportPDF && !chrome) {\n          openExportWindow();\n        }\n        svgCanvas.exportPDF(exportWindowName, chrome ? 'save' : undefined);\n      } else {\n        if (!customExportImage) {\n          openExportWindow();\n        }\n        const quality = parseInt($('#image-slider').val(), 10) / 100;\n        /* const results = */ await svgCanvas.rasterExport(imgType, quality, exportWindowName);\n      }\n    }, function () {\n      const sel = $(this);\n      if (sel.val() === 'JPEG' || sel.val() === 'WEBP') {\n        if (!$('#image-slider').length) {\n          $(`<div><label>${uiStrings.ui.quality}\n              <input id=\"image-slider\"\n                type=\"range\" min=\"1\" max=\"100\" value=\"92\" />\n            </label></div>`).appendTo(sel.parent());\n        }\n      } else {\n        $('#image-slider').parent().remove();\n      }\n    });\n  };\n\n  // by default, svgCanvas.open() is a no-op.\n  // it is up to an extension mechanism (opera widget, etc)\n  // to call setCustomHandlers() which will make it do something\n  const clickOpen = function () {\n    svgCanvas.open();\n  };\n\n  const clickImport = function () {\n  };\n\n  const clickUndo = function () {\n    if (undoMgr.getUndoStackSize() > 0) {\n      undoMgr.undo();\n      populateLayers();\n    }\n  };\n\n  const clickRedo = function () {\n    if (undoMgr.getRedoStackSize() > 0) {\n      undoMgr.redo();\n      populateLayers();\n    }\n  };\n\n  const clickGroup = function () {\n    // group\n    if (multiselected) {\n      svgCanvas.groupSelectedElements();\n    // ungroup\n    } else if (selectedElement) {\n      svgCanvas.ungroupSelectedElement();\n    }\n  };\n\n  const clickClone = function () {\n    svgCanvas.cloneSelectedElements(20, 20);\n  };\n\n  const clickAlign = function () {\n    const letter = this.id.replace('tool_align', '').charAt(0);\n    svgCanvas.alignSelectedElements(letter, $('#align_relative_to').val());\n  };\n\n  const clickWireframe = function () {\n    $('#tool_wireframe').toggleClass('push_button_pressed tool_button');\n    workarea.toggleClass('wireframe');\n\n    if (supportsNonSS) { return; }\n    const wfRules = $('#wireframe_rules');\n    if (!wfRules.length) {\n      /* wfRules = */ $('<style id=\"wireframe_rules\"></style>').appendTo('head');\n    } else {\n      wfRules.empty();\n    }\n\n    updateWireFrame();\n  };\n\n  $('#svg_docprops_container, #svg_prefs_container').draggable({\n    cancel: 'button,fieldset',\n    containment: 'window'\n  }).css('position', 'absolute');\n\n  let docprops = false;\n  let preferences = false;\n\n  const showDocProperties = function () {\n    if (docprops) { return; }\n    docprops = true;\n\n    // This selects the correct radio button by using the array notation\n    $('#image_save_opts input').val([$.pref('img_save')]);\n\n    // update resolution option with actual resolution\n    const res = svgCanvas.getResolution();\n    if (curConfig.baseUnit !== 'px') {\n      res.w = convertUnit(res.w) + curConfig.baseUnit;\n      res.h = convertUnit(res.h) + curConfig.baseUnit;\n    }\n\n    $('#canvas_width').val(res.w);\n    $('#canvas_height').val(res.h);\n    $('#canvas_title').val(svgCanvas.getDocumentTitle());\n\n    $('#svg_docprops').show();\n  };\n\n  const showPreferences = function () {\n    if (preferences) { return; }\n    preferences = true;\n    $('#main_menu').hide();\n\n    // Update background color with current one\n    const blocks = $('#bg_blocks div');\n    const curBg = 'cur_background';\n    const canvasBg = curPrefs.bkgd_color;\n    const url = $.pref('bkgd_url');\n    blocks.each(function () {\n      const blk = $(this);\n      const isBg = blk.css('background-color') === canvasBg;\n      blk.toggleClass(curBg, isBg);\n      if (isBg) { $('#canvas_bg_url').removeClass(curBg); }\n    });\n    if (!canvasBg) { blocks.eq(0).addClass(curBg); }\n    if (url) {\n      $('#canvas_bg_url').val(url);\n    }\n    $('#grid_snapping_on').prop('checked', curConfig.gridSnapping);\n    $('#grid_snapping_step').attr('value', curConfig.snappingStep);\n    $('#grid_color').attr('value', curConfig.gridColor);\n\n    $('#svg_prefs').show();\n  };\n\n  const hideSourceEditor = function () {\n    $('#svg_source_editor').hide();\n    editingsource = false;\n    $('#svg_source_textarea').blur();\n  };\n\n  const saveSourceEditor = function () {\n    if (!editingsource) { return; }\n\n    const saveChanges = function () {\n      svgCanvas.clearSelection();\n      hideSourceEditor();\n      zoomImage();\n      populateLayers();\n      updateTitle();\n      prepPaints();\n    };\n\n    if (!svgCanvas.setSvgString($('#svg_source_textarea').val())) {\n      $.confirm(uiStrings.notification.QerrorsRevertToSource, function (ok) {\n        if (!ok) { return false; }\n        saveChanges();\n      });\n    } else {\n      saveChanges();\n    }\n    setSelectMode();\n  };\n\n  const hideDocProperties = function () {\n    $('#svg_docprops').hide();\n    $('#canvas_width,#canvas_height').removeAttr('disabled');\n    $('#resolution')[0].selectedIndex = 0;\n    $('#image_save_opts input').val([$.pref('img_save')]);\n    docprops = false;\n  };\n\n  const hidePreferences = function () {\n    $('#svg_prefs').hide();\n    preferences = false;\n  };\n\n  const saveDocProperties = function () {\n    // set title\n    const newTitle = $('#canvas_title').val();\n    updateTitle(newTitle);\n    svgCanvas.setDocumentTitle(newTitle);\n\n    // update resolution\n    const width = $('#canvas_width'), w = width.val();\n    const height = $('#canvas_height'), h = height.val();\n\n    if (w !== 'fit' && !isValidUnit('width', w)) {\n      $.alert(uiStrings.notification.invalidAttrValGiven);\n      width.parent().addClass('error');\n      return false;\n    }\n\n    width.parent().removeClass('error');\n\n    if (h !== 'fit' && !isValidUnit('height', h)) {\n      $.alert(uiStrings.notification.invalidAttrValGiven);\n      height.parent().addClass('error');\n      return false;\n    }\n\n    height.parent().removeClass('error');\n\n    if (!svgCanvas.setResolution(w, h)) {\n      $.alert(uiStrings.notification.noContentToFitTo);\n      return false;\n    }\n\n    // Set image save option\n    $.pref('img_save', $('#image_save_opts :checked').val());\n    updateCanvas();\n    hideDocProperties();\n  };\n\n  /**\n  * Save user preferences based on current values in the UI\n  * @function module:SVGEditor.savePreferences\n  * @returns {undefined}\n  */\n  const savePreferences = editor.savePreferences = function () {\n    // Set background\n    const color = $('#bg_blocks div.cur_background').css('background-color') || '#FFF';\n    setBackground(color, $('#canvas_bg_url').val());\n\n    // set language\n    const lang = $('#lang_select').val();\n    if (lang !== $.pref('lang')) {\n      editor.putLocale(lang, goodLangs, curConfig);\n    }\n\n    // set icon size\n    setIconSize($('#iconsize').val());\n\n    // set grid setting\n    curConfig.gridSnapping = $('#grid_snapping_on')[0].checked;\n    curConfig.snappingStep = $('#grid_snapping_step').val();\n    curConfig.gridColor = $('#grid_color').val();\n    curConfig.showRulers = $('#show_rulers')[0].checked;\n\n    $('#rulers').toggle(curConfig.showRulers);\n    if (curConfig.showRulers) { updateRulers(); }\n    curConfig.baseUnit = $('#base_unit').val();\n\n    svgCanvas.setConfig(curConfig);\n\n    updateCanvas();\n    hidePreferences();\n  };\n\n  let resetScrollPos = $.noop;\n\n  const cancelOverlays = function () {\n    $('#dialog_box').hide();\n    if (!editingsource && !docprops && !preferences) {\n      if (curContext) {\n        svgCanvas.leaveContext();\n      }\n      return;\n    }\n\n    if (editingsource) {\n      if (origSource !== $('#svg_source_textarea').val()) {\n        $.confirm(uiStrings.notification.QignoreSourceChanges, function (ok) {\n          if (ok) { hideSourceEditor(); }\n        });\n      } else {\n        hideSourceEditor();\n      }\n    } else if (docprops) {\n      hideDocProperties();\n    } else if (preferences) {\n      hidePreferences();\n    }\n    resetScrollPos();\n  };\n\n  const winWh = {width: $(window).width(), height: $(window).height()};\n\n  // Fix for Issue 781: Drawing area jumps to top-left corner on window resize (IE9)\n  if (isIE()) {\n    (() => {\n      resetScrollPos = function () {\n        if (workarea[0].scrollLeft === 0 && workarea[0].scrollTop === 0) {\n          workarea[0].scrollLeft = curScrollPos.left;\n          workarea[0].scrollTop = curScrollPos.top;\n        }\n      };\n\n      curScrollPos = {\n        left: workarea[0].scrollLeft,\n        top: workarea[0].scrollTop\n      };\n\n      $(window).resize(resetScrollPos);\n      editor.ready(function () {\n        // TODO: Find better way to detect when to do this to minimize\n        // flickering effect\n        setTimeout(function () {\n          resetScrollPos();\n        }, 500);\n      });\n\n      workarea.scroll(function () {\n        curScrollPos = {\n          left: workarea[0].scrollLeft,\n          top: workarea[0].scrollTop\n        };\n      });\n    })();\n  }\n\n  $(window).resize(function (evt) {\n    $.each(winWh, function (type, val) {\n      const curval = $(window)[type]();\n      workarea[0]['scroll' + (type === 'width' ? 'Left' : 'Top')] -= (curval - val) / 2;\n      winWh[type] = curval;\n    });\n    setFlyoutPositions();\n  });\n\n  (() => {\n    workarea.scroll(function () {\n      // TODO: jQuery's scrollLeft/Top() wouldn't require a null check\n      if ($('#ruler_x').length) {\n        $('#ruler_x')[0].scrollLeft = workarea[0].scrollLeft;\n      }\n      if ($('#ruler_y').length) {\n        $('#ruler_y')[0].scrollTop = workarea[0].scrollTop;\n      }\n    });\n  })();\n\n  $('#url_notice').click(function () {\n    $.alert(this.title);\n  });\n\n  $('#change_image_url').click(promptImgURL);\n\n  // added these event handlers for all the push buttons so they\n  // behave more like buttons being pressed-in and not images\n  (function () {\n    const toolnames = ['clear', 'open', 'save', 'source', 'delete', 'delete_multi', 'paste', 'clone', 'clone_multi', 'move_top', 'move_bottom'];\n    const curClass = 'tool_button_current';\n\n    let allTools = '';\n\n    $.each(toolnames, function (i, item) {\n      allTools += (i ? ',' : '') + '#tool_' + item;\n    });\n\n    $(allTools).mousedown(function () {\n      $(this).addClass(curClass);\n    }).bind('mousedown mouseout', function () {\n      $(this).removeClass(curClass);\n    });\n\n    $('#tool_undo, #tool_redo').mousedown(function () {\n      if (!$(this).hasClass('disabled')) { $(this).addClass(curClass); }\n    }).bind('mousedown mouseout', function () {\n      $(this).removeClass(curClass);\n    });\n  }());\n\n  // switch modifier key in tooltips if mac\n  // NOTE: This code is not used yet until I can figure out how to successfully bind ctrl/meta\n  // in Opera and Chrome\n  if (isMac() && !window.opera) {\n    const shortcutButtons = ['tool_clear', 'tool_save', 'tool_source', 'tool_undo', 'tool_redo', 'tool_clone'];\n    let i = shortcutButtons.length;\n    while (i--) {\n      const button = document.getElementById(shortcutButtons[i]);\n      if (button) {\n        const {title} = button;\n        const index = title.indexOf('Ctrl+');\n        button.title = [title.substr(0, index), 'Cmd+', title.substr(index + 5)].join('');\n      }\n    }\n  }\n\n  // TODO: go back to the color boxes having white background-color and then setting\n  //  background-image to none.png (otherwise partially transparent gradients look weird)\n  const colorPicker = function (elem) {\n    const picker = elem.attr('id') === 'stroke_color' ? 'stroke' : 'fill';\n    // const opacity = (picker == 'stroke' ? $('#stroke_opacity') : $('#fill_opacity'));\n    const title = picker === 'stroke'\n      ? uiStrings.ui.pick_stroke_paint_opacity\n      : uiStrings.ui.pick_fill_paint_opacity;\n    // let wasNone = false; // Currently unused\n    const pos = elem.offset();\n    let {paint} = paintBox[picker];\n    $('#color_picker')\n      .draggable({\n        cancel: '.jGraduate_tabs, .jGraduate_colPick, .jGraduate_gradPick, .jPicker',\n        containment: 'window'\n      })\n      .css(curConfig.colorPickerCSS || {left: pos.left - 140, bottom: 40})\n      .jGraduate(\n        {\n          paint,\n          window: {pickerTitle: title},\n          images: {clientPath: curConfig.jGraduatePath},\n          newstop: 'inverse'\n        },\n        function (p) {\n          paint = new $.jGraduate.Paint(p);\n          paintBox[picker].setPaint(paint);\n          svgCanvas.setPaint(picker, paint);\n          $('#color_picker').hide();\n        },\n        function () {\n          $('#color_picker').hide();\n        }\n      );\n  };\n\n  const PaintBox = function (container, type) {\n    let paintColor, paintOpacity;\n    const cur = curConfig[type === 'fill' ? 'initFill' : 'initStroke'];\n    // set up gradients to be used for the buttons\n    const svgdocbox = new DOMParser().parseFromString(\n      `<svg xmlns=\"http://www.w3.org/2000/svg\">\n        <rect width=\"16.5\" height=\"16.5\"\n          fill=\"#${cur.color}\" opacity=\"${cur.opacity}\"/>\n        <defs><linearGradient id=\"gradbox_\"/></defs>\n      </svg>`,\n      'text/xml'\n    );\n\n    let docElem = svgdocbox.documentElement;\n    docElem = $(container)[0].appendChild(document.importNode(docElem, true));\n    docElem.setAttribute('width', 16.5);\n\n    this.rect = docElem.firstElementChild;\n    this.defs = docElem.getElementsByTagName('defs')[0];\n    this.grad = this.defs.firstElementChild;\n    this.paint = new $.jGraduate.Paint({solidColor: cur.color});\n    this.type = type;\n\n    this.setPaint = function (paint, apply) {\n      this.paint = paint;\n\n      const ptype = paint.type;\n      const opac = paint.alpha / 100;\n\n      let fillAttr = 'none';\n      switch (ptype) {\n      case 'solidColor':\n        fillAttr = (paint[ptype] !== 'none') ? '#' + paint[ptype] : paint[ptype];\n        break;\n      case 'linearGradient':\n      case 'radialGradient':\n        this.grad.remove();\n        this.grad = this.defs.appendChild(paint[ptype]);\n        const id = this.grad.id = 'gradbox_' + this.type;\n        fillAttr = 'url(#' + id + ')';\n        break;\n      }\n\n      this.rect.setAttribute('fill', fillAttr);\n      this.rect.setAttribute('opacity', opac);\n\n      if (apply) {\n        svgCanvas.setColor(this.type, paintColor, true);\n        svgCanvas.setPaintOpacity(this.type, paintOpacity, true);\n      }\n    };\n\n    this.update = function (apply) {\n      if (!selectedElement) { return; }\n\n      const {type} = this;\n      switch (selectedElement.tagName) {\n      case 'use':\n      case 'image':\n      case 'foreignObject':\n        // These elements don't have fill or stroke, so don't change\n        // the current value\n        return;\n      case 'g':\n      case 'a': {\n        const childs = selectedElement.getElementsByTagName('*');\n\n        let gPaint = null;\n        for (let i = 0, len = childs.length; i < len; i++) {\n          const elem = childs[i];\n          const p = elem.getAttribute(type);\n          if (i === 0) {\n            gPaint = p;\n          } else if (gPaint !== p) {\n            gPaint = null;\n            break;\n          }\n        }\n\n        if (gPaint === null) {\n          // No common color, don't update anything\n          paintColor = null;\n          return;\n        }\n        paintColor = gPaint;\n        paintOpacity = 1;\n        break;\n      } default:\n        paintOpacity = parseFloat(selectedElement.getAttribute(type + '-opacity'));\n        if (isNaN(paintOpacity)) {\n          paintOpacity = 1.0;\n        }\n\n        const defColor = type === 'fill' ? 'black' : 'none';\n        paintColor = selectedElement.getAttribute(type) || defColor;\n      }\n\n      if (apply) {\n        svgCanvas.setColor(type, paintColor, true);\n        svgCanvas.setPaintOpacity(type, paintOpacity, true);\n      }\n\n      paintOpacity *= 100;\n\n      const paint = getPaint(paintColor, paintOpacity, type);\n      // update the rect inside #fill_color/#stroke_color\n      this.setPaint(paint);\n    };\n\n    this.prep = function () {\n      const ptype = this.paint.type;\n\n      switch (ptype) {\n      case 'linearGradient':\n      case 'radialGradient':\n        const paint = new $.jGraduate.Paint({copy: this.paint});\n        svgCanvas.setPaint(type, paint);\n        break;\n      }\n    };\n  };\n\n  paintBox.fill = new PaintBox('#fill_color', 'fill');\n  paintBox.stroke = new PaintBox('#stroke_color', 'stroke');\n\n  $('#stroke_width').val(curConfig.initStroke.width);\n  $('#group_opacity').val(curConfig.initOpacity * 100);\n\n  // Use this SVG elem to test vectorEffect support\n  const testEl = paintBox.fill.rect.cloneNode(false);\n  testEl.setAttribute('style', 'vector-effect:non-scaling-stroke');\n  const supportsNonSS = (testEl.style.vectorEffect === 'non-scaling-stroke');\n  testEl.removeAttribute('style');\n  const svgdocbox = paintBox.fill.rect.ownerDocument;\n  // Use this to test support for blur element. Seems to work to test support in Webkit\n  const blurTest = svgdocbox.createElementNS(NS.SVG, 'feGaussianBlur');\n  if (blurTest.stdDeviationX === undefined) {\n    $('#tool_blur').hide();\n  }\n  $(blurTest).remove();\n\n  // Test for zoom icon support\n  (function () {\n    const pre = '-' + uaPrefix.toLowerCase() + '-zoom-';\n    const zoom = pre + 'in';\n    workarea.css('cursor', zoom);\n    if (workarea.css('cursor') === zoom) {\n      zoomInIcon = zoom;\n      zoomOutIcon = pre + 'out';\n    }\n    workarea.css('cursor', 'auto');\n  }());\n\n  // Test for embedImage support (use timeout to not interfere with page load)\n  setTimeout(function () {\n    svgCanvas.embedImage('images/logo.png', function (datauri) {\n      if (!datauri) {\n        // Disable option\n        $('#image_save_opts [value=embed]').attr('disabled', 'disabled');\n        $('#image_save_opts input').val(['ref']);\n        $.pref('img_save', 'ref');\n        $('#image_opt_embed').css('color', '#666').attr('title', uiStrings.notification.featNotSupported);\n      }\n    });\n  }, 1000);\n\n  $('#fill_color, #tool_fill .icon_label').click(function () {\n    colorPicker($('#fill_color'));\n    updateToolButtonState();\n  });\n\n  $('#stroke_color, #tool_stroke .icon_label').click(function () {\n    colorPicker($('#stroke_color'));\n    updateToolButtonState();\n  });\n\n  $('#group_opacityLabel').click(function () {\n    $('#opacity_dropdown button').mousedown();\n    $(window).mouseup();\n  });\n\n  $('#zoomLabel').click(function () {\n    $('#zoom_dropdown button').mousedown();\n    $(window).mouseup();\n  });\n\n  $('#tool_move_top').mousedown(function (evt) {\n    $('#tools_stacking').show();\n    evt.preventDefault();\n  });\n\n  $('.layer_button').mousedown(function () {\n    $(this).addClass('layer_buttonpressed');\n  }).mouseout(function () {\n    $(this).removeClass('layer_buttonpressed');\n  }).mouseup(function () {\n    $(this).removeClass('layer_buttonpressed');\n  });\n\n  $('.push_button').mousedown(function () {\n    if (!$(this).hasClass('disabled')) {\n      $(this).addClass('push_button_pressed').removeClass('push_button');\n    }\n  }).mouseout(function () {\n    $(this).removeClass('push_button_pressed').addClass('push_button');\n  }).mouseup(function () {\n    $(this).removeClass('push_button_pressed').addClass('push_button');\n  });\n\n  // ask for a layer name\n  $('#layer_new').click(function () {\n    let uniqName,\n      i = svgCanvas.getCurrentDrawing().getNumLayers();\n    do {\n      uniqName = uiStrings.layers.layer + ' ' + (++i);\n    } while (svgCanvas.getCurrentDrawing().hasLayer(uniqName));\n\n    $.prompt(uiStrings.notification.enterUniqueLayerName, uniqName, function (newName) {\n      if (!newName) { return; }\n      if (svgCanvas.getCurrentDrawing().hasLayer(newName)) {\n        $.alert(uiStrings.notification.dupeLayerName);\n        return;\n      }\n      svgCanvas.createLayer(newName);\n      updateContextPanel();\n      populateLayers();\n    });\n  });\n\n  function deleteLayer () {\n    if (svgCanvas.deleteCurrentLayer()) {\n      updateContextPanel();\n      populateLayers();\n      // This matches what SvgCanvas does\n      // TODO: make this behavior less brittle (svg-editor should get which\n      // layer is selected from the canvas and then select that one in the UI)\n      $('#layerlist tr.layer').removeClass('layersel');\n      $('#layerlist tr.layer:first').addClass('layersel');\n    }\n  }\n\n  function cloneLayer () {\n    const name = svgCanvas.getCurrentDrawing().getCurrentLayerName() + ' copy';\n\n    $.prompt(uiStrings.notification.enterUniqueLayerName, name, function (newName) {\n      if (!newName) { return; }\n      if (svgCanvas.getCurrentDrawing().hasLayer(newName)) {\n        $.alert(uiStrings.notification.dupeLayerName);\n        return;\n      }\n      svgCanvas.cloneLayer(newName);\n      updateContextPanel();\n      populateLayers();\n    });\n  }\n\n  function mergeLayer () {\n    if ($('#layerlist tr.layersel').index() === svgCanvas.getCurrentDrawing().getNumLayers() - 1) {\n      return;\n    }\n    svgCanvas.mergeLayer();\n    updateContextPanel();\n    populateLayers();\n  }\n\n  function moveLayer (pos) {\n    const total = svgCanvas.getCurrentDrawing().getNumLayers();\n\n    let curIndex = $('#layerlist tr.layersel').index();\n    if (curIndex > 0 || curIndex < total - 1) {\n      curIndex += pos;\n      svgCanvas.setCurrentLayerPosition(total - curIndex - 1);\n      populateLayers();\n    }\n  }\n\n  $('#layer_delete').click(deleteLayer);\n\n  $('#layer_up').click(() => {\n    moveLayer(-1);\n  });\n\n  $('#layer_down').click(() => {\n    moveLayer(1);\n  });\n\n  $('#layer_rename').click(function () {\n    // const curIndex = $('#layerlist tr.layersel').prevAll().length; // Currently unused\n    const oldName = $('#layerlist tr.layersel td.layername').text();\n    $.prompt(uiStrings.notification.enterNewLayerName, '', function (newName) {\n      if (!newName) { return; }\n      if (oldName === newName || svgCanvas.getCurrentDrawing().hasLayer(newName)) {\n        $.alert(uiStrings.notification.layerHasThatName);\n        return;\n      }\n\n      svgCanvas.renameCurrentLayer(newName);\n      populateLayers();\n    });\n  });\n\n  const SIDEPANEL_MAXWIDTH = 300;\n  const SIDEPANEL_OPENWIDTH = 150;\n  let sidedrag = -1, sidedragging = false, allowmove = false;\n\n  /**\n   * @param {Float} delta\n   * @fires module:svgcanvas.SvgCanvas#event:ext-workareaResized\n   * @returns {undefined}\n   */\n  const changeSidePanelWidth = function (delta) {\n    const rulerX = $('#ruler_x');\n    $('#sidepanels').width('+=' + delta);\n    $('#layerpanel').width('+=' + delta);\n    rulerX.css('right', parseInt(rulerX.css('right'), 10) + delta);\n    workarea.css('right', parseInt(workarea.css('right'), 10) + delta);\n    svgCanvas.runExtensions('workareaResized');\n  };\n\n  const resizeSidePanel = function (evt) {\n    if (!allowmove) { return; }\n    if (sidedrag === -1) { return; }\n    sidedragging = true;\n    let deltaX = sidedrag - evt.pageX;\n    const sideWidth = $('#sidepanels').width();\n    if (sideWidth + deltaX > SIDEPANEL_MAXWIDTH) {\n      deltaX = SIDEPANEL_MAXWIDTH - sideWidth;\n      // sideWidth = SIDEPANEL_MAXWIDTH;\n    } else if (sideWidth + deltaX < 2) {\n      deltaX = 2 - sideWidth;\n      // sideWidth = 2;\n    }\n    if (deltaX === 0) { return; }\n    sidedrag -= deltaX;\n    changeSidePanelWidth(deltaX);\n  };\n\n  /**\n   * If width is non-zero, then fully close it, otherwise fully open it\n   * @param {boolean} close Forces the side panel closed\n   * @returns {undefined}\n   */\n  const toggleSidePanel = function (close) {\n    const w = $('#sidepanels').width();\n    const deltaX = (w > 2 || close ? 2 : SIDEPANEL_OPENWIDTH) - w;\n    changeSidePanelWidth(deltaX);\n  };\n\n  $('#sidepanel_handle')\n    .mousedown(function (evt) {\n      sidedrag = evt.pageX;\n      $(window).mousemove(resizeSidePanel);\n      allowmove = false;\n      // Silly hack for Chrome, which always runs mousemove right after mousedown\n      setTimeout(function () {\n        allowmove = true;\n      }, 20);\n    })\n    .mouseup(function (evt) {\n      if (!sidedragging) { toggleSidePanel(); }\n      sidedrag = -1;\n      sidedragging = false;\n    });\n\n  $(window).mouseup(function () {\n    sidedrag = -1;\n    sidedragging = false;\n    $('#svg_editor').unbind('mousemove', resizeSidePanel);\n  });\n\n  populateLayers();\n\n  // function changeResolution (x,y) {\n  //   const {zoom} = svgCanvas.getResolution();\n  //   setResolution(x * zoom, y * zoom);\n  // }\n\n  const centerCanvas = () => {\n    // this centers the canvas vertically in the workarea (horizontal handled in CSS)\n    workarea.css('line-height', workarea.height() + 'px');\n  };\n\n  $(window).bind('load resize', centerCanvas);\n\n  function stepFontSize (elem, step) {\n    const origVal = Number(elem.value);\n    const sugVal = origVal + step;\n    const increasing = sugVal >= origVal;\n    if (step === 0) { return origVal; }\n\n    if (origVal >= 24) {\n      if (increasing) {\n        return Math.round(origVal * 1.1);\n      }\n      return Math.round(origVal / 1.1);\n    }\n    if (origVal <= 1) {\n      if (increasing) {\n        return origVal * 2;\n      }\n      return origVal / 2;\n    }\n    return sugVal;\n  }\n\n  function stepZoom (elem, step) {\n    const origVal = Number(elem.value);\n    if (origVal === 0) { return 100; }\n    const sugVal = origVal + step;\n    if (step === 0) { return origVal; }\n\n    if (origVal >= 100) {\n      return sugVal;\n    }\n    if (sugVal >= origVal) {\n      return origVal * 2;\n    }\n    return origVal / 2;\n  }\n\n  // function setResolution (w, h, center) {\n  //   updateCanvas();\n  //   // w -= 0; h -= 0;\n  //   // $('#svgcanvas').css({width: w, height: h});\n  //   // $('#canvas_width').val(w);\n  //   // $('#canvas_height').val(h);\n  //   //\n  //   // if (center) {\n  //   //   const wArea = workarea;\n  //   //   const scrollY = h/2 - wArea.height()/2;\n  //   //   const scrollX = w/2 - wArea.width()/2;\n  //   //   wArea[0].scrollTop = scrollY;\n  //   //   wArea[0].scrollLeft = scrollX;\n  //   // }\n  // }\n\n  $('#resolution').change(function () {\n    const wh = $('#canvas_width,#canvas_height');\n    if (!this.selectedIndex) {\n      if ($('#canvas_width').val() === 'fit') {\n        wh.removeAttr('disabled').val(100);\n      }\n    } else if (this.value === 'content') {\n      wh.val('fit').attr('disabled', 'disabled');\n    } else {\n      const dims = this.value.split('x');\n      $('#canvas_width').val(dims[0]);\n      $('#canvas_height').val(dims[1]);\n      wh.removeAttr('disabled');\n    }\n  });\n\n  // Prevent browser from erroneously repopulating fields\n  $('input,select').attr('autocomplete', 'off');\n\n  /**\n   * Associate all button actions as well as non-button keyboard shortcuts\n   * @namespace {PlainObject} module:SVGEditor~Actions\n   */\n  const Actions = (function () {\n    /**\n    * @typedef {PlainObject} module:SVGEditor.ToolButton\n    * @property {string} sel The CSS selector for the tool\n    * @property {external:jQuery.Function} fn A handler to be attached to the `evt`\n    * @property {string} evt The event for which the `fn` listener will be added\n    * @property {module:SVGEditor.Key} [key] [key, preventDefault, NoDisableInInput]\n    * @property {string} [parent] Selector\n    * @property {boolean} [hidekey] Whether to show key value in title\n    * @property {string} [icon] The button ID\n    * @property {boolean} isDefault For flyout holders\n    */\n    /**\n     *\n     * @name module:SVGEditor~ToolButtons\n     * @type {module:SVGEditor.ToolButton[]}\n     */\n    const toolButtons = [\n      {sel: '#tool_select', fn: clickSelect, evt: 'click', key: ['V', true]},\n      {sel: '#tool_fhpath', fn: clickFHPath, evt: 'click', key: ['Q', true]},\n      {sel: '#tool_line', fn: clickLine, evt: 'click', key: ['L', true], parent: '#tools_line', prepend: true},\n      {sel: '#tool_rect', fn: clickRect, evt: 'mouseup',\n        key: ['R', true], parent: '#tools_rect', icon: 'rect'},\n      {sel: '#tool_square', fn: clickSquare, evt: 'mouseup',\n        parent: '#tools_rect', icon: 'square'},\n      {sel: '#tool_fhrect', fn: clickFHRect, evt: 'mouseup',\n        parent: '#tools_rect', icon: 'fh_rect'},\n      {sel: '#tool_ellipse', fn: clickEllipse, evt: 'mouseup',\n        key: ['E', true], parent: '#tools_ellipse', icon: 'ellipse'},\n      {sel: '#tool_circle', fn: clickCircle, evt: 'mouseup',\n        parent: '#tools_ellipse', icon: 'circle'},\n      {sel: '#tool_fhellipse', fn: clickFHEllipse, evt: 'mouseup',\n        parent: '#tools_ellipse', icon: 'fh_ellipse'},\n      {sel: '#tool_path', fn: clickPath, evt: 'click', key: ['P', true]},\n      {sel: '#tool_text', fn: clickText, evt: 'click', key: ['T', true]},\n      {sel: '#tool_image', fn: clickImage, evt: 'mouseup'},\n      {sel: '#tool_zoom', fn: clickZoom, evt: 'mouseup', key: ['Z', true]},\n      {sel: '#tool_clear', fn: clickClear, evt: 'mouseup', key: ['N', true]},\n      {sel: '#tool_save', fn () {\n        if (editingsource) {\n          saveSourceEditor();\n        } else {\n          clickSave();\n        }\n      }, evt: 'mouseup', key: ['S', true]},\n      {sel: '#tool_export', fn: clickExport, evt: 'mouseup'},\n      {sel: '#tool_open', fn: clickOpen, evt: 'mouseup', key: ['O', true]},\n      {sel: '#tool_import', fn: clickImport, evt: 'mouseup'},\n      {sel: '#tool_source', fn: showSourceEditor, evt: 'click', key: ['U', true]},\n      {sel: '#tool_wireframe', fn: clickWireframe, evt: 'click', key: ['F', true]},\n      {sel: '#tool_source_cancel,.overlay,#tool_docprops_cancel,#tool_prefs_cancel',\n        fn: cancelOverlays, evt: 'click', key: ['esc', false, false], hidekey: true},\n      {sel: '#tool_source_save', fn: saveSourceEditor, evt: 'click'},\n      {sel: '#tool_docprops_save', fn: saveDocProperties, evt: 'click'},\n      {sel: '#tool_docprops', fn: showDocProperties, evt: 'mouseup'},\n      {sel: '#tool_prefs_save', fn: savePreferences, evt: 'click'},\n      {sel: '#tool_prefs_option', fn () { showPreferences(); return false; }, evt: 'mouseup'},\n      {sel: '#tool_delete,#tool_delete_multi', fn: deleteSelected,\n        evt: 'click', key: ['del/backspace', true]},\n      {sel: '#tool_reorient', fn: reorientPath, evt: 'click'},\n      {sel: '#tool_node_link', fn: linkControlPoints, evt: 'click'},\n      {sel: '#tool_node_clone', fn: clonePathNode, evt: 'click'},\n      {sel: '#tool_node_delete', fn: deletePathNode, evt: 'click'},\n      {sel: '#tool_openclose_path', fn: opencloseSubPath, evt: 'click'},\n      {sel: '#tool_add_subpath', fn: addSubPath, evt: 'click'},\n      {sel: '#tool_move_top', fn: moveToTopSelected, evt: 'click', key: 'ctrl+shift+]'},\n      {sel: '#tool_move_bottom', fn: moveToBottomSelected, evt: 'click', key: 'ctrl+shift+['},\n      {sel: '#tool_topath', fn: convertToPath, evt: 'click'},\n      {sel: '#tool_make_link,#tool_make_link_multi', fn: makeHyperlink, evt: 'click'},\n      {sel: '#tool_undo', fn: clickUndo, evt: 'click'},\n      {sel: '#tool_redo', fn: clickRedo, evt: 'click'},\n      {sel: '#tool_clone,#tool_clone_multi', fn: clickClone, evt: 'click', key: ['D', true]},\n      {sel: '#tool_group_elements', fn: clickGroup, evt: 'click', key: ['G', true]},\n      {sel: '#tool_ungroup', fn: clickGroup, evt: 'click'},\n      {sel: '#tool_unlink_use', fn: clickGroup, evt: 'click'},\n      {sel: '[id^=tool_align]', fn: clickAlign, evt: 'click'},\n      // these two lines are required to make Opera work properly with the flyout mechanism\n      // {sel: '#tools_rect_show', fn: clickRect, evt: 'click'},\n      // {sel: '#tools_ellipse_show', fn: clickEllipse, evt: 'click'},\n      {sel: '#tool_bold', fn: clickBold, evt: 'mousedown'},\n      {sel: '#tool_italic', fn: clickItalic, evt: 'mousedown'},\n      {sel: '#sidepanel_handle', fn: toggleSidePanel, key: ['X']},\n      {sel: '#copy_save_done', fn: cancelOverlays, evt: 'click'},\n\n      // Shortcuts not associated with buttons\n\n      {key: 'ctrl+left', fn () { rotateSelected(0, 1); }},\n      {key: 'ctrl+right', fn () { rotateSelected(1, 1); }},\n      {key: 'ctrl+shift+left', fn () { rotateSelected(0, 5); }},\n      {key: 'ctrl+shift+right', fn () { rotateSelected(1, 5); }},\n      {key: 'shift+O', fn: selectPrev},\n      {key: 'shift+P', fn: selectNext},\n      {key: [modKey + 'up', true], fn () { zoomImage(2); }},\n      {key: [modKey + 'down', true], fn () { zoomImage(0.5); }},\n      {key: [modKey + ']', true], fn () { moveUpDownSelected('Up'); }},\n      {key: [modKey + '[', true], fn () { moveUpDownSelected('Down'); }},\n      {key: ['up', true], fn () { moveSelected(0, -1); }},\n      {key: ['down', true], fn () { moveSelected(0, 1); }},\n      {key: ['left', true], fn () { moveSelected(-1, 0); }},\n      {key: ['right', true], fn () { moveSelected(1, 0); }},\n      {key: 'shift+up', fn () { moveSelected(0, -10); }},\n      {key: 'shift+down', fn () { moveSelected(0, 10); }},\n      {key: 'shift+left', fn () { moveSelected(-10, 0); }},\n      {key: 'shift+right', fn () { moveSelected(10, 0); }},\n      {key: ['alt+up', true], fn () { svgCanvas.cloneSelectedElements(0, -1); }},\n      {key: ['alt+down', true], fn () { svgCanvas.cloneSelectedElements(0, 1); }},\n      {key: ['alt+left', true], fn () { svgCanvas.cloneSelectedElements(-1, 0); }},\n      {key: ['alt+right', true], fn () { svgCanvas.cloneSelectedElements(1, 0); }},\n      {key: ['alt+shift+up', true], fn () { svgCanvas.cloneSelectedElements(0, -10); }},\n      {key: ['alt+shift+down', true], fn () { svgCanvas.cloneSelectedElements(0, 10); }},\n      {key: ['alt+shift+left', true], fn () { svgCanvas.cloneSelectedElements(-10, 0); }},\n      {key: ['alt+shift+right', true], fn () { svgCanvas.cloneSelectedElements(10, 0); }},\n      {key: 'A', fn () { svgCanvas.selectAllInCurrentLayer(); }},\n\n      // Standard shortcuts\n      {key: modKey + 'z', fn: clickUndo},\n      {key: modKey + 'shift+z', fn: clickRedo},\n      {key: modKey + 'y', fn: clickRedo},\n\n      {key: modKey + 'x', fn: cutSelected},\n      {key: modKey + 'c', fn: copySelected},\n      {key: modKey + 'v', fn: pasteInCenter}\n    ];\n\n    // Tooltips not directly associated with a single function\n    const keyAssocs = {\n      '4/Shift+4': '#tools_rect_show',\n      '5/Shift+5': '#tools_ellipse_show'\n    };\n\n    return { /** @lends module:SVGEditor~Actions */\n      /**\n       * @returns {undefined}\n       */\n      setAll () {\n        const flyouts = {};\n\n        $.each(toolButtons, function (i, opts) {\n          // Bind function to button\n          let btn;\n          if (opts.sel) {\n            btn = $(opts.sel);\n            if (!btn.length) { return true; } // Skip if markup does not exist\n            if (opts.evt) {\n              if (isTouch() && opts.evt === 'click') {\n                opts.evt = 'mousedown';\n              }\n              btn[opts.evt](opts.fn);\n            }\n\n            // Add to parent flyout menu, if able to be displayed\n            if (opts.parent && $(opts.parent + '_show').length) {\n              let fH = $(opts.parent);\n              if (!fH.length) {\n                fH = makeFlyoutHolder(opts.parent.substr(1));\n              }\n              if (opts.prepend) {\n                btn[0].style.margin = 'initial';\n              }\n              fH[opts.prepend ? 'prepend' : 'append'](btn);\n\n              if (!Array.isArray(flyouts[opts.parent])) {\n                flyouts[opts.parent] = [];\n              }\n              flyouts[opts.parent].push(opts);\n            }\n          }\n\n          // Bind function to shortcut key\n          if (opts.key) {\n            // Set shortcut based on options\n            let keyval,\n              // disInInp = true,\n              pd = false;\n            if (Array.isArray(opts.key)) {\n              keyval = opts.key[0];\n              if (opts.key.length > 1) { pd = opts.key[1]; }\n              // if (opts.key.length > 2) { disInInp = opts.key[2]; }\n            } else {\n              keyval = opts.key;\n            }\n            keyval += '';\n\n            const {fn} = opts;\n            $.each(keyval.split('/'), function (i, key) {\n              $(document).bind('keydown', key, function (e) {\n                fn();\n                if (pd) {\n                  e.preventDefault();\n                }\n                // Prevent default on ALL keys?\n                return false;\n              });\n            });\n\n            // Put shortcut in title\n            if (opts.sel && !opts.hidekey && btn.attr('title')) {\n              const newTitle = btn.attr('title').split('[')[0] + ' (' + keyval + ')';\n              keyAssocs[keyval] = opts.sel;\n              // Disregard for menu items\n              if (!btn.parents('#main_menu').length) {\n                btn.attr('title', newTitle);\n              }\n            }\n          }\n        });\n\n        // Setup flyouts\n        setupFlyouts(flyouts);\n\n        // Misc additional actions\n\n        // Make 'return' keypress trigger the change event\n        $('.attr_changer, #image_url').bind('keydown', 'return',\n          function (evt) {\n            $(this).change();\n            evt.preventDefault();\n          }\n        );\n\n        $(window).bind('keydown', 'tab', function (e) {\n          if (uiContext === 'canvas') {\n            e.preventDefault();\n            selectNext();\n          }\n        }).bind('keydown', 'shift+tab', function (e) {\n          if (uiContext === 'canvas') {\n            e.preventDefault();\n            selectPrev();\n          }\n        });\n\n        $('#tool_zoom').dblclick(dblclickZoom);\n      },\n      /**\n       * @returns {undefined}\n       */\n      setTitles () {\n        $.each(keyAssocs, function (keyval, sel) {\n          const menu = ($(sel).parents('#main_menu').length);\n\n          $(sel).each(function () {\n            let t;\n            if (menu) {\n              t = $(this).text().split(' [')[0];\n            } else {\n              t = this.title.split(' [')[0];\n            }\n            let keyStr = '';\n            // Shift+Up\n            $.each(keyval.split('/'), function (i, key) {\n              const modBits = key.split('+');\n              let mod = '';\n              if (modBits.length > 1) {\n                mod = modBits[0] + '+';\n                key = modBits[1];\n              }\n              keyStr += (i ? '/' : '') + mod + (uiStrings['key_' + key] || key);\n            });\n            if (menu) {\n              this.lastChild.textContent = t + ' [' + keyStr + ']';\n            } else {\n              this.title = t + ' [' + keyStr + ']';\n            }\n          });\n        });\n      },\n      /**\n       * @param {string} sel Selector to match\n       * @returns {module:SVGEditor.ToolButton}\n       */\n      getButtonData (sel) {\n        return Object.values(toolButtons).find((btn) => {\n          return btn.sel === sel;\n        });\n      }\n    };\n  }());\n\n  // Select given tool\n  editor.ready(function () {\n    let tool;\n    const itool = curConfig.initTool,\n      container = $('#tools_left, #svg_editor .tools_flyout'),\n      preTool = container.find('#tool_' + itool),\n      regTool = container.find('#' + itool);\n    if (preTool.length) {\n      tool = preTool;\n    } else if (regTool.length) {\n      tool = regTool;\n    } else {\n      tool = $('#tool_select');\n    }\n    tool.click().mouseup();\n\n    if (curConfig.wireframe) {\n      $('#tool_wireframe').click();\n    }\n\n    if (curConfig.showlayers) {\n      toggleSidePanel();\n    }\n\n    $('#rulers').toggle(!!curConfig.showRulers);\n\n    if (curConfig.showRulers) {\n      $('#show_rulers')[0].checked = true;\n    }\n\n    if (curConfig.baseUnit) {\n      $('#base_unit').val(curConfig.baseUnit);\n    }\n\n    if (curConfig.gridSnapping) {\n      $('#grid_snapping_on')[0].checked = true;\n    }\n\n    if (curConfig.snappingStep) {\n      $('#grid_snapping_step').val(curConfig.snappingStep);\n    }\n\n    if (curConfig.gridColor) {\n      $('#grid_color').val(curConfig.gridColor);\n    }\n  });\n\n  // init SpinButtons\n  $('#rect_rx').SpinButton({min: 0, max: 1000, stateObj, callback: changeRectRadius});\n  $('#stroke_width').SpinButton({min: 0, max: 99, smallStep: 0.1, stateObj, callback: changeStrokeWidth});\n  $('#angle').SpinButton({min: -180, max: 180, step: 5, stateObj, callback: changeRotationAngle});\n  $('#font_size').SpinButton({min: 0.001, stepfunc: stepFontSize, stateObj, callback: changeFontSize});\n  $('#group_opacity').SpinButton({min: 0, max: 100, step: 5, stateObj, callback: changeOpacity});\n  $('#blur').SpinButton({min: 0, max: 10, step: 0.1, stateObj, callback: changeBlur});\n  $('#zoom').SpinButton({min: 0.001, max: 10000, step: 50, stepfunc: stepZoom, stateObj, callback: changeZoom})\n    // Set default zoom\n    .val(svgCanvas.getZoom() * 100);\n\n  $('#workarea').contextMenu(\n    {\n      menu: 'cmenu_canvas',\n      inSpeed: 0\n    },\n    function (action, el, pos) {\n      switch (action) {\n      case 'delete':\n        deleteSelected();\n        break;\n      case 'cut':\n        cutSelected();\n        break;\n      case 'copy':\n        copySelected();\n        break;\n      case 'paste':\n        svgCanvas.pasteElements();\n        break;\n      case 'paste_in_place':\n        svgCanvas.pasteElements('in_place');\n        break;\n      case 'group':\n      case 'group_elements':\n        svgCanvas.groupSelectedElements();\n        break;\n      case 'ungroup':\n        svgCanvas.ungroupSelectedElement();\n        break;\n      case 'move_front':\n        moveToTopSelected();\n        break;\n      case 'move_up':\n        moveUpDownSelected('Up');\n        break;\n      case 'move_down':\n        moveUpDownSelected('Down');\n        break;\n      case 'move_back':\n        moveToBottomSelected();\n        break;\n      default:\n        if (hasCustomHandler(action)) {\n          getCustomHandler(action).call();\n        }\n        break;\n      }\n    }\n  );\n\n  const lmenuFunc = function (action, el, pos) {\n    switch (action) {\n    case 'dupe':\n      cloneLayer();\n      break;\n    case 'delete':\n      deleteLayer();\n      break;\n    case 'merge_down':\n      mergeLayer();\n      break;\n    case 'merge_all':\n      svgCanvas.mergeAllLayers();\n      updateContextPanel();\n      populateLayers();\n      break;\n    }\n  };\n\n  $('#layerlist').contextMenu(\n    {\n      menu: 'cmenu_layers',\n      inSpeed: 0\n    },\n    lmenuFunc\n  );\n\n  $('#layer_moreopts').contextMenu(\n    {\n      menu: 'cmenu_layers',\n      inSpeed: 0,\n      allowLeft: true\n    },\n    lmenuFunc\n  );\n\n  $('.contextMenu li').mousedown(function (ev) {\n    ev.preventDefault();\n  });\n\n  $('#cmenu_canvas li').disableContextMenu();\n  canvMenu.enableContextMenuItems('#delete,#cut,#copy');\n\n  function enableOrDisableClipboard () {\n    let svgeditClipboard;\n    try {\n      svgeditClipboard = localStorage.getItem('svgedit_clipboard');\n    } catch (err) {}\n    canvMenu[(svgeditClipboard ? 'en' : 'dis') + 'ableContextMenuItems'](\n      '#paste,#paste_in_place'\n    );\n  }\n  enableOrDisableClipboard();\n\n  window.addEventListener('storage', function (e) {\n    if (e.key !== 'svgedit_clipboard') { return; }\n\n    enableOrDisableClipboard();\n  });\n\n  window.addEventListener('beforeunload', function (e) {\n    // Suppress warning if page is empty\n    if (undoMgr.getUndoStackSize() === 0) {\n      editor.showSaveWarning = false;\n    }\n\n    // showSaveWarning is set to 'false' when the page is saved.\n    if (!curConfig.no_save_warning && editor.showSaveWarning) {\n      // Browser already asks question about closing the page\n      e.returnValue = uiStrings.notification.unsavedChanges; // Firefox needs this when beforeunload set by addEventListener (even though message is not used)\n      return uiStrings.notification.unsavedChanges;\n    }\n  }, false);\n\n  /**\n  * Expose the uiStrings\n  * @function module:SVGEditor.canvas.getUIStrings\n  * @returns {module:SVGEditor.uiStrings}\n  */\n  editor.canvas.getUIStrings = function () {\n    return uiStrings;\n  };\n\n  /**\n  * @callback module:SVGEditor.OpenPrepCallback\n  * @param {boolean} noChanges\n  * @returns {undefined}\n  */\n  /**\n  * @param {module:SVGEditor.OpenPrepCallback} func Confirmation dialog callback\n  * @returns {undefined}\n  */\n  editor.openPrep = function (func) {\n    $('#main_menu').hide();\n    if (undoMgr.getUndoStackSize() === 0) {\n      func(true);\n    } else {\n      $.confirm(uiStrings.notification.QwantToOpen, func);\n    }\n  };\n\n  function onDragEnter (e) {\n    e.stopPropagation();\n    e.preventDefault();\n    // and indicator should be displayed here, such as \"drop files here\"\n  }\n\n  function onDragOver (e) {\n    e.stopPropagation();\n    e.preventDefault();\n  }\n\n  function onDragLeave (e) {\n    e.stopPropagation();\n    e.preventDefault();\n    // hypothetical indicator should be removed here\n  }\n  // Use HTML5 File API: http://www.w3.org/TR/FileAPI/\n  // if browser has HTML5 File API support, then we will show the open menu item\n  // and provide a file input to click. When that change event fires, it will\n  // get the text contents of the file and send it to the canvas\n  if (window.FileReader) {\n    const importImage = function (e) {\n      $.process_cancel(uiStrings.notification.loadingImage);\n      e.stopPropagation();\n      e.preventDefault();\n      $('#workarea').removeAttr('style');\n      $('#main_menu').hide();\n      const file = (e.type === 'drop') ? e.dataTransfer.files[0] : this.files[0];\n      if (!file) {\n        $('#dialog_box').hide();\n        return;\n      }\n      /* if (file.type === 'application/pdf') { // Todo: Handle PDF imports\n\n      }\n      else */\n      if (file.type.includes('image')) {\n        // Detected an image\n        // svg handling\n        let reader;\n        if (file.type.includes('svg')) {\n          reader = new FileReader();\n          reader.onloadend = function (e) {\n            const newElement = svgCanvas.importSvgString(e.target.result, true);\n            svgCanvas.ungroupSelectedElement();\n            svgCanvas.ungroupSelectedElement();\n            svgCanvas.groupSelectedElements();\n            svgCanvas.alignSelectedElements('m', 'page');\n            svgCanvas.alignSelectedElements('c', 'page');\n            // highlight imported element, otherwise we get strange empty selectbox\n            svgCanvas.selectOnly([newElement]);\n            $('#dialog_box').hide();\n          };\n          reader.readAsText(file);\n        } else {\n          // bitmap handling\n          reader = new FileReader();\n          reader.onloadend = function ({target: {result}}) {\n            // let's insert the new image until we know its dimensions\n            const insertNewImage = function (width, height) {\n              const newImage = svgCanvas.addSVGElementFromJson({\n                element: 'image',\n                attr: {\n                  x: 0,\n                  y: 0,\n                  width,\n                  height,\n                  id: svgCanvas.getNextId(),\n                  style: 'pointer-events:inherit'\n                }\n              });\n              svgCanvas.setHref(newImage, result);\n              svgCanvas.selectOnly([newImage]);\n              svgCanvas.alignSelectedElements('m', 'page');\n              svgCanvas.alignSelectedElements('c', 'page');\n              updateContextPanel();\n              $('#dialog_box').hide();\n            };\n            // create dummy img so we know the default dimensions\n            let imgWidth = 100;\n            let imgHeight = 100;\n            const img = new Image();\n            img.style.opacity = 0;\n            img.onload = function () {\n              imgWidth = img.offsetWidth || img.naturalWidth || img.width;\n              imgHeight = img.offsetHeight || img.naturalHeight || img.height;\n              insertNewImage(imgWidth, imgHeight);\n            };\n            img.src = result;\n          };\n          reader.readAsDataURL(file);\n        }\n      }\n    };\n\n    workarea[0].addEventListener('dragenter', onDragEnter, false);\n    workarea[0].addEventListener('dragover', onDragOver, false);\n    workarea[0].addEventListener('dragleave', onDragLeave, false);\n    workarea[0].addEventListener('drop', importImage, false);\n\n    const open = $('<input type=\"file\">').click(function () {\n      const f = this;\n      editor.openPrep(function (ok) {\n        if (!ok) { return; }\n        svgCanvas.clear();\n        if (f.files.length === 1) {\n          $.process_cancel(uiStrings.notification.loadingImage);\n          const reader = new FileReader();\n          reader.onloadend = function (e) {\n            loadSvgString(e.target.result);\n            updateCanvas();\n          };\n          reader.readAsText(f.files[0]);\n        }\n      });\n    });\n    $('#tool_open').show().prepend(open);\n\n    const imgImport = $('<input type=\"file\">').change(importImage);\n    $('#tool_import').show().prepend(imgImport);\n  }\n\n  // $(function () {\n  updateCanvas(true);\n  // });\n\n  //  const revnums = 'svg-editor.js ($Rev$) ';\n  //  revnums += svgCanvas.getVersion();\n  //  $('#copyright')[0].setAttribute('title', revnums);\n\n  /**\n  * @function module:SVGEditor.setLang\n  * @param {string} lang The language code\n  * @param {module:locale.LocaleStrings} allStrings See {@tutorial LocaleDocs}\n  * @fires module:svgcanvas.SvgCanvas#event:ext-langReady\n  * @fires module:svgcanvas.SvgCanvas#event:ext-langChanged\n  * @returns {undefined}\n  */\n  const setLang = editor.setLang = function (lang, allStrings) {\n    editor.langChanged = true;\n    $.pref('lang', lang);\n    $('#lang_select').val(lang);\n    if (!allStrings) {\n      return;\n    }\n    $.extend(uiStrings, allStrings);\n\n    // const notif = allStrings.notification; // Currently unused\n    // $.extend will only replace the given strings\n    const oldLayerName = $('#layerlist tr.layersel td.layername').text();\n    const renameLayer = (oldLayerName === uiStrings.common.layer + ' 1');\n\n    svgCanvas.setUiStrings(allStrings);\n    Actions.setTitles();\n\n    if (renameLayer) {\n      svgCanvas.renameCurrentLayer(uiStrings.common.layer + ' 1');\n      populateLayers();\n    }\n\n    // In case extensions loaded before the locale, now we execute a callback on them\n    if (extsPreLang.length) {\n      while (extsPreLang.length) {\n        const ext = extsPreLang.shift();\n        ext.langReady({\n          lang,\n          uiStrings,\n          importLocale: getImportLocale({defaultLang: lang, defaultName: ext.name})\n        });\n      }\n    } else {\n      svgCanvas.runExtensions('langReady', /** @type {module:svgcanvas.SvgCanvas#event:ext-langReady} */ {lang, uiStrings});\n    }\n    svgCanvas.runExtensions('langChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-langChanged} */ lang);\n\n    // Update flyout tooltips\n    setFlyoutTitles();\n\n    // Copy title for certain tool elements\n    const elems = {\n      '#stroke_color': '#tool_stroke .icon_label, #tool_stroke .color_block',\n      '#fill_color': '#tool_fill label, #tool_fill .color_block',\n      '#linejoin_miter': '#cur_linejoin',\n      '#linecap_butt': '#cur_linecap'\n    };\n\n    $.each(elems, function (source, dest) {\n      $(dest).attr('title', $(source)[0].title);\n    });\n\n    // Copy alignment titles\n    $('#multiselected_panel div[id^=tool_align]').each(function () {\n      $('#tool_pos' + this.id.substr(10))[0].title = this.title;\n    });\n  };\n  localeInit(\n    /**\n    * @implements {module:locale.LocaleEditorInit}\n    */\n    {\n      /**\n      * Gets an array of results from extensions with a `addLangData` method\n      * returning an object with a `data` property set to its locales (to be\n      * merged with regular locales)\n      * @param {string} langParam\n      * @fires module:svgcanvas.SvgCanvas#event:ext-addLangData\n      * @todo Can we forego this in favor of `langReady` (or forego `langReady`)?\n      * @returns {module:locale.AddLangExtensionLocaleData[]}\n      */\n      addLangData (langParam) {\n        return svgCanvas.runExtensions(\n          'addLangData',\n          /**\n           * @function\n           * @type {module:svgcanvas.ExtensionVarBuilder}\n           * @param {string} defaultLang\n           * @param {string} defaultName\n           * @returns {module:svgcanvas.SvgCanvas#event:ext-addLangData}\n           */\n          (name) => { // We pass in a function as we don't know the extension name here when defining this `addLangData` method\n            return {\n              lang: langParam,\n              importLocale: getImportLocale({defaultLang: langParam, defaultName: name})\n            };\n          },\n          true\n        );\n      },\n      curConfig\n    }\n  );\n  // Load extensions\n  // Bit of a hack to run extensions in local Opera/IE9\n  if (document.location.protocol === 'file:') {\n    setTimeout(extAndLocaleFunc, 100);\n  } else {\n    // Returns a promise (if we wanted to fire 'extensions-loaded' event, potentially useful to hide interface as some extension locales are only available after this)\n    extAndLocaleFunc();\n  }\n};\n\n/**\n* @callback module:SVGEditor.ReadyCallback\n* @returns {undefined}\n*/\n/**\n* Queues a callback to be invoked when the editor is ready (or\n*   to be invoked immediately if it is already ready--i.e.,\n*   if `svgEditor.runCallbacks` has been run)\n* @param {module:SVGEditor.ReadyCallback} cb Callback to be queued to invoke\n* @returns {undefined}\n*/\neditor.ready = function (cb) {\n  if (!isReady) {\n    callbacks.push(cb);\n  } else {\n    cb();\n  }\n};\n\n/**\n* Invokes the callbacks previous set by `svgEditor.ready`\n* @returns {undefined}\n*/\neditor.runCallbacks = function () {\n  callbacks.forEach((cb) => {\n    cb();\n  });\n  isReady = true;\n};\n\n/**\n* @param {string} str The SVG string to load\n* @returns {undefined}\n*/\neditor.loadFromString = function (str) {\n  editor.ready(function () {\n    loadSvgString(str);\n  });\n};\n\n/**\n* Not presently in use\n* @param {PlainObject} featList\n* @returns {undefined}\n*/\neditor.disableUI = function (featList) {\n  // $(function () {\n  //   $('#tool_wireframe, #tool_image, #main_button, #tool_source, #sidepanels').remove();\n  //   $('#tools_top').css('left', 5);\n  // });\n};\n\n/**\n * @callback module:SVGEditor.URLLoadCallback\n * @param {boolean} success\n * @returns {undefined}\n */\n/**\n* @param {string} url URL from which to load an SVG string via Ajax\n* @param {PlainObject} [opts] May contain properties: `cache`, `callback`\n* @param {boolean} opts.cache\n* @param {module:SVGEditor.URLLoadCallback} opts.callback Invoked with `true` or `false` depending on success\n* @returns {undefined}\n*/\neditor.loadFromURL = function (url, opts) {\n  if (!opts) { opts = {}; }\n\n  const {cache, callback: cb} = opts;\n\n  editor.ready(function () {\n    $.ajax({\n      url,\n      dataType: 'text',\n      cache: !!cache,\n      beforeSend () {\n        $.process_cancel(uiStrings.notification.loadingImage);\n      },\n      success (str) {\n        loadSvgString(str, cb);\n      },\n      error (xhr, stat, err) {\n        if (xhr.status !== 404 && xhr.responseText) {\n          loadSvgString(xhr.responseText, cb);\n        } else {\n          $.alert(uiStrings.notification.URLloadFail + ': \\n' + err, cb);\n        }\n      },\n      complete () {\n        $('#dialog_box').hide();\n      }\n    });\n  });\n};\n\n/**\n* @param {string} str The Data URI to base64-decode (if relevant) and load\n* @returns {undefined}\n*/\neditor.loadFromDataURI = function (str) {\n  editor.ready(function () {\n    let base64 = false;\n    let pre = str.match(/^data:image\\/svg\\+xml;base64,/);\n    if (pre) {\n      base64 = true;\n    } else {\n      pre = str.match(/^data:image\\/svg\\+xml(?:;(?:utf8)?)?,/);\n    }\n    if (pre) {\n      pre = pre[0];\n    }\n    const src = str.slice(pre.length);\n    loadSvgString(base64 ? Utils.decode64(src) : decodeURIComponent(src));\n  });\n};\n\n/**\n * @param {string} name Used internally; no need for i18n.\n * @param {module:svgcanvas.ExtensionInitCallback} init Config to be invoked on this module\n * @param {module:SVGEditor~ImportLocale} importLocale Importer defaulting to pth with current extension name and locale\n * @throws {Error} If called too early\n * @returns {Promise} Resolves to `undefined`\n*/\neditor.addExtension = function (name, init, importLocale) {\n  // Note that we don't want this on editor.ready since some extensions\n  // may want to run before then (like server_opensave).\n  // $(function () {\n  if (!svgCanvas) {\n    throw new Error('Extension added too early');\n  }\n  return svgCanvas.addExtension.call(this, name, init, importLocale);\n  // });\n};\n\n// Defer injection to wait out initial menu processing. 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break;\n  case 'touchmove': type = 'mousemove'; break;\n  case 'touchend': type = 'mouseup'; break;\n  default: return;\n  }\n\n  const {screenX, screenY, clientX, clientY} = first;\n  const simulatedEvent = new MouseEvent(type, {\n    // Event interface\n    bubbles: true,\n    cancelable: true,\n    // UIEvent interface\n    view: window,\n    detail: 1, // click count\n    // MouseEvent interface (customized)\n    screenX, screenY, clientX, clientY,\n    // MouseEvent interface (defaults) - these could be removed\n    ctrlKey: false,\n    altKey: false,\n    shiftKey: false,\n    metaKey: false,\n    button: 0, // main button (usually left)\n    relatedTarget: null\n  });\n  if (changedTouches.length < 2) {\n    first.target.dispatchEvent(simulatedEvent);\n    ev.preventDefault();\n  }\n}\n\ndocument.addEventListener('touchstart', touchHandler, true);\ndocument.addEventListener('touchmove', touchHandler, true);\ndocument.addEventListener('touchend', touchHandler, true);\ndocument.addEventListener('touchcancel', touchHandler, true);\n","/**\n * Namespaces or tools therefor\n * @module namespaces\n * @license MIT\n*/\n\n/**\n* Common namepaces constants in alpha order\n* @enum {string}\n* @type {PlainObject}\n* @memberof module:namespaces\n*/\nexport const NS = {\n  HTML: 'http://www.w3.org/1999/xhtml',\n  MATH: 'http://www.w3.org/1998/Math/MathML',\n  SE: 'http://svg-edit.googlecode.com',\n  SVG: 'http://www.w3.org/2000/svg',\n  XLINK: 'http://www.w3.org/1999/xlink',\n  XML: 'http://www.w3.org/XML/1998/namespace',\n  XMLNS: 'http://www.w3.org/2000/xmlns/' // see http://www.w3.org/TR/REC-xml-names/#xmlReserved\n};\n\n/**\n* @function module:namespaces.getReverseNS\n* @returns {string} The NS with key values switched and lowercase\n*/\nexport const getReverseNS = function () {\n  const reverseNS = {};\n  Object.entries(NS).forEach(([name, URI]) => {\n    reverseNS[URI] = name.toLowerCase();\n  });\n  return reverseNS;\n};\n","/* globals SVGPathSeg, SVGPathSegMovetoRel, SVGPathSegMovetoAbs,\n    SVGPathSegMovetoRel, SVGPathSegLinetoRel, SVGPathSegLinetoAbs,\n    SVGPathSegLinetoHorizontalRel, SVGPathSegLinetoHorizontalAbs,\n    SVGPathSegLinetoVerticalRel, SVGPathSegLinetoVerticalAbs,\n    SVGPathSegClosePath, SVGPathSegCurvetoCubicRel,\n    SVGPathSegCurvetoCubicAbs, SVGPathSegCurvetoCubicSmoothRel,\n    SVGPathSegCurvetoCubicSmoothAbs, SVGPathSegCurvetoQuadraticRel,\n    SVGPathSegCurvetoQuadraticAbs, SVGPathSegCurvetoQuadraticSmoothRel,\n    SVGPathSegCurvetoQuadraticSmoothAbs, SVGPathSegArcRel, SVGPathSegArcAbs */\n/**\n* SVGPathSeg API polyfill\n* https://github.com/progers/pathseg\n*\n* This is a drop-in replacement for the `SVGPathSeg` and `SVGPathSegList` APIs\n* that were removed from SVG2 ({@link https://lists.w3.org/Archives/Public/www-svg/2015Jun/0044.html}),\n* including the latest spec changes which were implemented in Firefox 43 and\n* Chrome 46.\n*/\n(() => {\nif (!('SVGPathSeg' in window)) {\n  // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSeg\n  class SVGPathSeg {\n    constructor (type, typeAsLetter, owningPathSegList) {\n      this.pathSegType = type;\n      this.pathSegTypeAsLetter = typeAsLetter;\n      this._owningPathSegList = owningPathSegList;\n    }\n    // Notify owning PathSegList on any changes so they can be synchronized back to the path element.\n    _segmentChanged () {\n      if (this._owningPathSegList) {\n        this._owningPathSegList.segmentChanged(this);\n      }\n    }\n  }\n  SVGPathSeg.prototype.classname = 'SVGPathSeg';\n\n  SVGPathSeg.PATHSEG_UNKNOWN = 0;\n  SVGPathSeg.PATHSEG_CLOSEPATH = 1;\n  SVGPathSeg.PATHSEG_MOVETO_ABS = 2;\n  SVGPathSeg.PATHSEG_MOVETO_REL = 3;\n  SVGPathSeg.PATHSEG_LINETO_ABS = 4;\n  SVGPathSeg.PATHSEG_LINETO_REL = 5;\n  SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS = 6;\n  SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL = 7;\n  SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS = 8;\n  SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL = 9;\n  SVGPathSeg.PATHSEG_ARC_ABS = 10;\n  SVGPathSeg.PATHSEG_ARC_REL = 11;\n  SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS = 12;\n  SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL = 13;\n  SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS = 14;\n  SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL = 15;\n  SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS = 16;\n  SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL = 17;\n  SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = 18;\n  SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = 19;\n\n  class SVGPathSegClosePath extends SVGPathSeg {\n    constructor (owningPathSegList) {\n      super(SVGPathSeg.PATHSEG_CLOSEPATH, 'z', owningPathSegList);\n    }\n    toString () { return '[object SVGPathSegClosePath]'; }\n    _asPathString () { return this.pathSegTypeAsLetter; }\n    clone () { return new SVGPathSegClosePath(undefined); }\n  }\n\n  class SVGPathSegMovetoAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_MOVETO_ABS, 'M', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegMovetoAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegMovetoAbs(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegMovetoAbs.prototype, {\n    x: {\n      get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true\n    },\n    y: {\n      get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true\n    }\n  });\n\n  class SVGPathSegMovetoRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_MOVETO_REL, 'm', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegMovetoRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegMovetoRel(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegMovetoRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegLinetoAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_LINETO_ABS, 'L', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegLinetoAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegLinetoAbs(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegLinetoAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegLinetoRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_LINETO_REL, 'l', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegLinetoRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegLinetoRel(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegLinetoRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoCubicAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x1, y1, x2, y2) {\n      super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, 'C', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x1 = x1;\n      this._y1 = y1;\n      this._x2 = x2;\n      this._y2 = y2;\n    }\n    toString () { return '[object SVGPathSegCurvetoCubicAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoCubicAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x1: {get () { return this._x1; }, set (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true},\n    y1: {get () { return this._y1; }, set (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true},\n    x2: {get () { return this._x2; }, set (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true},\n    y2: {get () { return this._y2; }, set (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoCubicRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x1, y1, x2, y2) {\n      super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, 'c', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x1 = x1;\n      this._y1 = y1;\n      this._x2 = x2;\n      this._y2 = y2;\n    }\n    toString () { return '[object SVGPathSegCurvetoCubicRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoCubicRel(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoCubicRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x1: {get () { return this._x1; }, set (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true},\n    y1: {get () { return this._y1; }, set (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true},\n    x2: {get () { return this._x2; }, set (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true},\n    y2: {get () { return this._y2; }, set (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoQuadraticAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x1, y1) {\n      super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, 'Q', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x1 = x1;\n      this._y1 = y1;\n    }\n    toString () { return '[object SVGPathSegCurvetoQuadraticAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoQuadraticAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x1: {get () { return this._x1; }, set (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true},\n    y1: {get () { return this._y1; }, set (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoQuadraticRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x1, y1) {\n      super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, 'q', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x1 = x1;\n      this._y1 = y1;\n    }\n    toString () { return '[object SVGPathSegCurvetoQuadraticRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoQuadraticRel(undefined, this._x, this._y, this._x1, this._y1); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoQuadraticRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x1: {get () { return this._x1; }, set (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true},\n    y1: {get () { return this._y1; }, set (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegArcAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {\n      super(SVGPathSeg.PATHSEG_ARC_ABS, 'A', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._r1 = r1;\n      this._r2 = r2;\n      this._angle = angle;\n      this._largeArcFlag = largeArcFlag;\n      this._sweepFlag = sweepFlag;\n    }\n    toString () { return '[object SVGPathSegArcAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag); }\n  }\n  Object.defineProperties(SVGPathSegArcAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    r1: {get () { return this._r1; }, set (r1) { this._r1 = r1; this._segmentChanged(); }, enumerable: true},\n    r2: {get () { return this._r2; }, set (r2) { this._r2 = r2; this._segmentChanged(); }, enumerable: true},\n    angle: {get () { return this._angle; }, set (angle) { this._angle = angle; this._segmentChanged(); }, enumerable: true},\n    largeArcFlag: {get () { return this._largeArcFlag; }, set (largeArcFlag) { this._largeArcFlag = largeArcFlag; this._segmentChanged(); }, enumerable: true},\n    sweepFlag: {get () { return this._sweepFlag; }, set (sweepFlag) { this._sweepFlag = sweepFlag; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegArcRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {\n      super(SVGPathSeg.PATHSEG_ARC_REL, 'a', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._r1 = r1;\n      this._r2 = r2;\n      this._angle = angle;\n      this._largeArcFlag = largeArcFlag;\n      this._sweepFlag = sweepFlag;\n    }\n    toString () { return '[object SVGPathSegArcRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegArcRel(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag); }\n  }\n  Object.defineProperties(SVGPathSegArcRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    r1: {get () { return this._r1; }, set (r1) { this._r1 = r1; this._segmentChanged(); }, enumerable: true},\n    r2: {get () { return this._r2; }, set (r2) { this._r2 = r2; this._segmentChanged(); }, enumerable: true},\n    angle: {get () { return this._angle; }, set (angle) { this._angle = angle; this._segmentChanged(); }, enumerable: true},\n    largeArcFlag: {get () { return this._largeArcFlag; }, set (largeArcFlag) { this._largeArcFlag = largeArcFlag; this._segmentChanged(); }, enumerable: true},\n    sweepFlag: {get () { return this._sweepFlag; }, set (sweepFlag) { this._sweepFlag = sweepFlag; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegLinetoHorizontalAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x) {\n      super(SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, 'H', owningPathSegList);\n      this._x = x;\n    }\n    toString () { return '[object SVGPathSegLinetoHorizontalAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x; }\n    clone () { return new SVGPathSegLinetoHorizontalAbs(undefined, this._x); }\n  }\n  Object.defineProperty(SVGPathSegLinetoHorizontalAbs.prototype, 'x', {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true});\n\n  class SVGPathSegLinetoHorizontalRel extends SVGPathSeg {\n    constructor (owningPathSegList, x) {\n      super(SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, 'h', owningPathSegList);\n      this._x = x;\n    }\n    toString () { return '[object SVGPathSegLinetoHorizontalRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x; }\n    clone () { return new SVGPathSegLinetoHorizontalRel(undefined, this._x); }\n  }\n  Object.defineProperty(SVGPathSegLinetoHorizontalRel.prototype, 'x', {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true});\n\n  class SVGPathSegLinetoVerticalAbs extends SVGPathSeg {\n    constructor (owningPathSegList, y) {\n      super(SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, 'V', owningPathSegList);\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegLinetoVerticalAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._y; }\n    clone () { return new SVGPathSegLinetoVerticalAbs(undefined, this._y); }\n  }\n  Object.defineProperty(SVGPathSegLinetoVerticalAbs.prototype, 'y', {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true});\n\n  class SVGPathSegLinetoVerticalRel extends SVGPathSeg {\n    constructor (owningPathSegList, y) {\n      super(SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, 'v', owningPathSegList);\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegLinetoVerticalRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._y; }\n    clone () { return new SVGPathSegLinetoVerticalRel(undefined, this._y); }\n  }\n  Object.defineProperty(SVGPathSegLinetoVerticalRel.prototype, 'y', {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true});\n\n  class SVGPathSegCurvetoCubicSmoothAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x2, y2) {\n      super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, 'S', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x2 = x2;\n      this._y2 = y2;\n    }\n    toString () { return '[object SVGPathSegCurvetoCubicSmoothAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoCubicSmoothAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x2: {get () { return this._x2; }, set (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true},\n    y2: {get () { return this._y2; }, set (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoCubicSmoothRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x2, y2) {\n      super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, 's', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x2 = x2;\n      this._y2 = y2;\n    }\n    toString () { return '[object SVGPathSegCurvetoCubicSmoothRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoCubicSmoothRel(undefined, this._x, this._y, this._x2, this._y2); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoCubicSmoothRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x2: {get () { return this._x2; }, set (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true},\n    y2: {get () { return this._y2; }, set (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoQuadraticSmoothAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, 'T', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegCurvetoQuadraticSmoothAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoQuadraticSmoothAbs(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoQuadraticSmoothAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoQuadraticSmoothRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, 't', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegCurvetoQuadraticSmoothRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoQuadraticSmoothRel(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoQuadraticSmoothRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  // Add createSVGPathSeg* functions to SVGPathElement.\n  // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathElement.\n  SVGPathElement.prototype.createSVGPathSegClosePath = function () { return new SVGPathSegClosePath(undefined); };\n  SVGPathElement.prototype.createSVGPathSegMovetoAbs = function (x, y) { return new SVGPathSegMovetoAbs(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegMovetoRel = function (x, y) { return new SVGPathSegMovetoRel(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegLinetoAbs = function (x, y) { return new SVGPathSegLinetoAbs(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegLinetoRel = function (x, y) { return new SVGPathSegLinetoRel(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoCubicAbs = function (x, y, x1, y1, x2, y2) { return new SVGPathSegCurvetoCubicAbs(undefined, x, y, x1, y1, x2, y2); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoCubicRel = function (x, y, x1, y1, x2, y2) { return new SVGPathSegCurvetoCubicRel(undefined, x, y, x1, y1, x2, y2); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticAbs = function (x, y, x1, y1) { return new SVGPathSegCurvetoQuadraticAbs(undefined, x, y, x1, y1); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticRel = function (x, y, x1, y1) { return new SVGPathSegCurvetoQuadraticRel(undefined, x, y, x1, y1); };\n  SVGPathElement.prototype.createSVGPathSegArcAbs = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) { return new SVGPathSegArcAbs(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag); };\n  SVGPathElement.prototype.createSVGPathSegArcRel = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) { return new SVGPathSegArcRel(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag); };\n  SVGPathElement.prototype.createSVGPathSegLinetoHorizontalAbs = function (x) { return new SVGPathSegLinetoHorizontalAbs(undefined, x); };\n  SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel = function (x) { return new SVGPathSegLinetoHorizontalRel(undefined, x); };\n  SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs = function (y) { return new SVGPathSegLinetoVerticalAbs(undefined, y); };\n  SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel = function (y) { return new SVGPathSegLinetoVerticalRel(undefined, y); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs = function (x, y, x2, y2) { return new SVGPathSegCurvetoCubicSmoothAbs(undefined, x, y, x2, y2); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel = function (x, y, x2, y2) { return new SVGPathSegCurvetoCubicSmoothRel(undefined, x, y, x2, y2); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs = function (x, y) { return new SVGPathSegCurvetoQuadraticSmoothAbs(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel = function (x, y) { return new SVGPathSegCurvetoQuadraticSmoothRel(undefined, x, y); };\n\n  if (!('getPathSegAtLength' in SVGPathElement.prototype)) {\n    // Add getPathSegAtLength to SVGPathElement.\n    // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-__svg__SVGPathElement__getPathSegAtLength\n    // This polyfill requires SVGPathElement.getTotalLength to implement the distance-along-a-path algorithm.\n    SVGPathElement.prototype.getPathSegAtLength = function (distance) {\n      if (distance === undefined || !isFinite(distance)) {\n        throw new Error('Invalid arguments.');\n      }\n\n      const measurementElement = document.createElementNS('http://www.w3.org/2000/svg', 'path');\n      measurementElement.setAttribute('d', this.getAttribute('d'));\n      let lastPathSegment = measurementElement.pathSegList.numberOfItems - 1;\n\n      // If the path is empty, return 0.\n      if (lastPathSegment <= 0) {\n        return 0;\n      }\n\n      do {\n        measurementElement.pathSegList.removeItem(lastPathSegment);\n        if (distance > measurementElement.getTotalLength()) {\n          break;\n        }\n        lastPathSegment--;\n      } while (lastPathSegment > 0);\n      return lastPathSegment;\n    };\n  }\n\n  window.SVGPathSeg = SVGPathSeg;\n  window.SVGPathSegClosePath = SVGPathSegClosePath;\n  window.SVGPathSegMovetoAbs = SVGPathSegMovetoAbs;\n  window.SVGPathSegMovetoRel = SVGPathSegMovetoRel;\n  window.SVGPathSegLinetoAbs = SVGPathSegLinetoAbs;\n  window.SVGPathSegLinetoRel = SVGPathSegLinetoRel;\n  window.SVGPathSegCurvetoCubicAbs = SVGPathSegCurvetoCubicAbs;\n  window.SVGPathSegCurvetoCubicRel = SVGPathSegCurvetoCubicRel;\n  window.SVGPathSegCurvetoQuadraticAbs = SVGPathSegCurvetoQuadraticAbs;\n  window.SVGPathSegCurvetoQuadraticRel = SVGPathSegCurvetoQuadraticRel;\n  window.SVGPathSegArcAbs = SVGPathSegArcAbs;\n  window.SVGPathSegArcRel = SVGPathSegArcRel;\n  window.SVGPathSegLinetoHorizontalAbs = SVGPathSegLinetoHorizontalAbs;\n  window.SVGPathSegLinetoHorizontalRel = SVGPathSegLinetoHorizontalRel;\n  window.SVGPathSegLinetoVerticalAbs = SVGPathSegLinetoVerticalAbs;\n  window.SVGPathSegLinetoVerticalRel = SVGPathSegLinetoVerticalRel;\n  window.SVGPathSegCurvetoCubicSmoothAbs = SVGPathSegCurvetoCubicSmoothAbs;\n  window.SVGPathSegCurvetoCubicSmoothRel = SVGPathSegCurvetoCubicSmoothRel;\n  window.SVGPathSegCurvetoQuadraticSmoothAbs = SVGPathSegCurvetoQuadraticSmoothAbs;\n  window.SVGPathSegCurvetoQuadraticSmoothRel = SVGPathSegCurvetoQuadraticSmoothRel;\n}\n\n// Checking for SVGPathSegList in window checks for the case of an implementation without the\n// SVGPathSegList API.\n// The second check for appendItem is specific to Firefox 59+ which removed only parts of the\n// SVGPathSegList API (e.g., appendItem). In this case we need to re-implement the entire API\n// so the polyfill data (i.e., _list) is used throughout.\nif (!('SVGPathSegList' in window) || !('appendItem' in window.SVGPathSegList.prototype)) {\n  // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSegList\n  class SVGPathSegList {\n    constructor (pathElement) {\n      this._pathElement = pathElement;\n      this._list = this._parsePath(this._pathElement.getAttribute('d'));\n\n      // Use a MutationObserver to catch changes to the path's \"d\" attribute.\n      this._mutationObserverConfig = {attributes: true, attributeFilter: ['d']};\n      this._pathElementMutationObserver = new MutationObserver(this._updateListFromPathMutations.bind(this));\n      this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);\n    }\n    // Process any pending mutations to the path element and update the list as needed.\n    // This should be the first call of all public functions and is needed because\n    // MutationObservers are not synchronous so we can have pending asynchronous mutations.\n    _checkPathSynchronizedToList () {\n      this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords());\n    }\n\n    _updateListFromPathMutations (mutationRecords) {\n      if (!this._pathElement) {\n        return;\n      }\n      let hasPathMutations = false;\n      mutationRecords.forEach((record) => {\n        if (record.attributeName === 'd') {\n          hasPathMutations = true;\n        }\n      });\n      if (hasPathMutations) {\n        this._list = this._parsePath(this._pathElement.getAttribute('d'));\n      }\n    }\n\n    // Serialize the list and update the path's 'd' attribute.\n    _writeListToPath () {\n      this._pathElementMutationObserver.disconnect();\n      this._pathElement.setAttribute('d', SVGPathSegList._pathSegArrayAsString(this._list));\n      this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);\n    }\n\n    // When a path segment changes the list needs to be synchronized back to the path element.\n    segmentChanged (pathSeg) {\n      this._writeListToPath();\n    }\n\n    clear () {\n      this._checkPathSynchronizedToList();\n\n      this._list.forEach((pathSeg) => {\n        pathSeg._owningPathSegList = null;\n      });\n      this._list = [];\n      this._writeListToPath();\n    }\n\n    initialize (newItem) {\n      this._checkPathSynchronizedToList();\n\n      this._list = [newItem];\n      newItem._owningPathSegList = this;\n      this._writeListToPath();\n      return newItem;\n    }\n\n    _checkValidIndex (index) {\n      if (isNaN(index) || index < 0 || index >= this.numberOfItems) {\n        throw new Error('INDEX_SIZE_ERR');\n      }\n    }\n\n    getItem (index) {\n      this._checkPathSynchronizedToList();\n\n      this._checkValidIndex(index);\n      return this._list[index];\n    }\n\n    insertItemBefore (newItem, index) {\n      this._checkPathSynchronizedToList();\n\n      // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.\n      if (index > this.numberOfItems) {\n        index = this.numberOfItems;\n      }\n      if (newItem._owningPathSegList) {\n        // SVG2 spec says to make a copy.\n        newItem = newItem.clone();\n      }\n      this._list.splice(index, 0, newItem);\n      newItem._owningPathSegList = this;\n      this._writeListToPath();\n      return newItem;\n    }\n\n    replaceItem (newItem, index) {\n      this._checkPathSynchronizedToList();\n\n      if (newItem._owningPathSegList) {\n        // SVG2 spec says to make a copy.\n        newItem = newItem.clone();\n      }\n      this._checkValidIndex(index);\n      this._list[index] = newItem;\n      newItem._owningPathSegList = this;\n      this._writeListToPath();\n      return newItem;\n    }\n\n    removeItem (index) {\n      this._checkPathSynchronizedToList();\n\n      this._checkValidIndex(index);\n      const item = this._list[index];\n      this._list.splice(index, 1);\n      this._writeListToPath();\n      return item;\n    }\n\n    appendItem (newItem) {\n      this._checkPathSynchronizedToList();\n\n      if (newItem._owningPathSegList) {\n        // SVG2 spec says to make a copy.\n        newItem = newItem.clone();\n      }\n      this._list.push(newItem);\n      newItem._owningPathSegList = this;\n      // TODO: Optimize this to just append to the existing attribute.\n      this._writeListToPath();\n      return newItem;\n    }\n\n    // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.\n    _parsePath (string) {\n      if (!string || !string.length) {\n        return [];\n      }\n\n      const owningPathSegList = this;\n\n      class Builder {\n        constructor () {\n          this.pathSegList = [];\n        }\n        appendSegment (pathSeg) {\n          this.pathSegList.push(pathSeg);\n        }\n      }\n\n      class Source {\n        constructor (string) {\n          this._string = string;\n          this._currentIndex = 0;\n          this._endIndex = this._string.length;\n          this._previousCommand = SVGPathSeg.PATHSEG_UNKNOWN;\n\n          this._skipOptionalSpaces();\n        }\n        _isCurrentSpace () {\n          const character = this._string[this._currentIndex];\n          return character <= ' ' && (character === ' ' || character === '\\n' || character === '\\t' || character === '\\r' || character === '\\f');\n        }\n\n        _skipOptionalSpaces () {\n          while (this._currentIndex < this._endIndex && this._isCurrentSpace()) {\n            this._currentIndex++;\n          }\n          return this._currentIndex < this._endIndex;\n        }\n\n        _skipOptionalSpacesOrDelimiter () {\n          if (this._currentIndex < this._endIndex && !this._isCurrentSpace() && this._string.charAt(this._currentIndex) !== ',') {\n            return false;\n          }\n          if (this._skipOptionalSpaces()) {\n            if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === ',') {\n              this._currentIndex++;\n              this._skipOptionalSpaces();\n            }\n          }\n          return this._currentIndex < this._endIndex;\n        }\n\n        hasMoreData () {\n          return this._currentIndex < this._endIndex;\n        }\n\n        peekSegmentType () {\n          const lookahead = this._string[this._currentIndex];\n          return this._pathSegTypeFromChar(lookahead);\n        }\n\n        _pathSegTypeFromChar (lookahead) {\n          switch (lookahead) {\n          case 'Z':\n          case 'z':\n            return SVGPathSeg.PATHSEG_CLOSEPATH;\n          case 'M':\n            return SVGPathSeg.PATHSEG_MOVETO_ABS;\n          case 'm':\n            return SVGPathSeg.PATHSEG_MOVETO_REL;\n          case 'L':\n            return SVGPathSeg.PATHSEG_LINETO_ABS;\n          case 'l':\n            return SVGPathSeg.PATHSEG_LINETO_REL;\n          case 'C':\n            return SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;\n          case 'c':\n            return SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;\n          case 'Q':\n            return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;\n          case 'q':\n            return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;\n          case 'A':\n            return SVGPathSeg.PATHSEG_ARC_ABS;\n          case 'a':\n            return SVGPathSeg.PATHSEG_ARC_REL;\n          case 'H':\n            return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;\n          case 'h':\n            return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;\n          case 'V':\n            return SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;\n          case 'v':\n            return SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;\n          case 'S':\n            return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;\n          case 's':\n            return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;\n          case 'T':\n            return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;\n          case 't':\n            return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;\n          default:\n            return SVGPathSeg.PATHSEG_UNKNOWN;\n          }\n        }\n\n        _nextCommandHelper (lookahead, previousCommand) {\n          // Check for remaining coordinates in the current command.\n          if ((lookahead === '+' || lookahead === '-' || lookahead === '.' || (lookahead >= '0' && lookahead <= '9')) && previousCommand !== SVGPathSeg.PATHSEG_CLOSEPATH) {\n            if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_ABS) {\n              return SVGPathSeg.PATHSEG_LINETO_ABS;\n            }\n            if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_REL) {\n              return SVGPathSeg.PATHSEG_LINETO_REL;\n            }\n            return previousCommand;\n          }\n          return SVGPathSeg.PATHSEG_UNKNOWN;\n        }\n\n        initialCommandIsMoveTo () {\n          // If the path is empty it is still valid, so return true.\n          if (!this.hasMoreData()) {\n            return true;\n          }\n          const command = this.peekSegmentType();\n          // Path must start with moveTo.\n          return command === SVGPathSeg.PATHSEG_MOVETO_ABS || command === SVGPathSeg.PATHSEG_MOVETO_REL;\n        }\n\n        // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.\n        // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-PathDataBNF\n        _parseNumber () {\n          let exponent = 0;\n          let integer = 0;\n          let frac = 1;\n          let decimal = 0;\n          let sign = 1;\n          let expsign = 1;\n\n          const startIndex = this._currentIndex;\n\n          this._skipOptionalSpaces();\n\n          // Read the sign.\n          if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '+') {\n            this._currentIndex++;\n          } else if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '-') {\n            this._currentIndex++;\n            sign = -1;\n          }\n\n          if (this._currentIndex === this._endIndex || ((this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') && this._string.charAt(this._currentIndex) !== '.')) {\n            // The first character of a number must be one of [0-9+-.].\n            return undefined;\n          }\n\n          // Read the integer part, build right-to-left.\n          const startIntPartIndex = this._currentIndex;\n          while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {\n            this._currentIndex++; // Advance to first non-digit.\n          }\n\n          if (this._currentIndex !== startIntPartIndex) {\n            let scanIntPartIndex = this._currentIndex - 1;\n            let multiplier = 1;\n            while (scanIntPartIndex >= startIntPartIndex) {\n              integer += multiplier * (this._string.charAt(scanIntPartIndex--) - '0');\n              multiplier *= 10;\n            }\n          }\n\n          // Read the decimals.\n          if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '.') {\n            this._currentIndex++;\n\n            // There must be a least one digit following the .\n            if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {\n              return undefined;\n            }\n            while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {\n              frac *= 10;\n              decimal += (this._string.charAt(this._currentIndex) - '0') / frac;\n              this._currentIndex += 1;\n            }\n          }\n\n          // Read the exponent part.\n          if (this._currentIndex !== startIndex && this._currentIndex + 1 < this._endIndex && (this._string.charAt(this._currentIndex) === 'e' || this._string.charAt(this._currentIndex) === 'E') && (this._string.charAt(this._currentIndex + 1) !== 'x' && this._string.charAt(this._currentIndex + 1) !== 'm')) {\n            this._currentIndex++;\n\n            // Read the sign of the exponent.\n            if (this._string.charAt(this._currentIndex) === '+') {\n              this._currentIndex++;\n            } else if (this._string.charAt(this._currentIndex) === '-') {\n              this._currentIndex++;\n              expsign = -1;\n            }\n\n            // There must be an exponent.\n            if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {\n              return undefined;\n            }\n\n            while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {\n              exponent *= 10;\n              exponent += (this._string.charAt(this._currentIndex) - '0');\n              this._currentIndex++;\n            }\n          }\n\n          let number = integer + decimal;\n          number *= sign;\n\n          if (exponent) {\n            number *= Math.pow(10, expsign * exponent);\n          }\n\n          if (startIndex === this._currentIndex) {\n            return undefined;\n          }\n\n          this._skipOptionalSpacesOrDelimiter();\n\n          return number;\n        }\n\n        _parseArcFlag () {\n          if (this._currentIndex >= this._endIndex) {\n            return undefined;\n          }\n          let flag = false;\n          const flagChar = this._string.charAt(this._currentIndex++);\n          if (flagChar === '0') {\n            flag = false;\n          } else if (flagChar === '1') {\n            flag = true;\n          } else {\n            return undefined;\n          }\n\n          this._skipOptionalSpacesOrDelimiter();\n          return flag;\n        }\n\n        parseSegment () {\n          const lookahead = this._string[this._currentIndex];\n          let command = this._pathSegTypeFromChar(lookahead);\n          if (command === SVGPathSeg.PATHSEG_UNKNOWN) {\n            // Possibly an implicit command. Not allowed if this is the first command.\n            if (this._previousCommand === SVGPathSeg.PATHSEG_UNKNOWN) {\n              return null;\n            }\n            command = this._nextCommandHelper(lookahead, this._previousCommand);\n            if (command === SVGPathSeg.PATHSEG_UNKNOWN) {\n              return null;\n            }\n          } else {\n            this._currentIndex++;\n          }\n\n          this._previousCommand = command;\n\n          switch (command) {\n          case SVGPathSeg.PATHSEG_MOVETO_REL:\n            return new SVGPathSegMovetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_MOVETO_ABS:\n            return new SVGPathSegMovetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_REL:\n            return new SVGPathSegLinetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_ABS:\n            return new SVGPathSegLinetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:\n            return new SVGPathSegLinetoHorizontalRel(owningPathSegList, this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:\n            return new SVGPathSegLinetoHorizontalAbs(owningPathSegList, this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:\n            return new SVGPathSegLinetoVerticalRel(owningPathSegList, this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:\n            return new SVGPathSegLinetoVerticalAbs(owningPathSegList, this._parseNumber());\n          case SVGPathSeg.PATHSEG_CLOSEPATH:\n            this._skipOptionalSpaces();\n            return new SVGPathSegClosePath(owningPathSegList);\n          case SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoCubicRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);\n          } case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoCubicAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);\n          } case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL: {\n            const points = {x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, points.x, points.y, points.x2, points.y2);\n          } case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS: {\n            const points = {x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, points.x, points.y, points.x2, points.y2);\n          } case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoQuadraticRel(owningPathSegList, points.x, points.y, points.x1, points.y1);\n          } case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoQuadraticAbs(owningPathSegList, points.x, points.y, points.x1, points.y1);\n          case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:\n            return new SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:\n            return new SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_ARC_REL: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegArcRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);\n          } case SVGPathSeg.PATHSEG_ARC_ABS: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegArcAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);\n          } default:\n            throw new Error('Unknown path seg type.');\n          }\n        }\n      }\n\n      const builder = new Builder();\n      const source = new Source(string);\n\n      if (!source.initialCommandIsMoveTo()) {\n        return [];\n      }\n      while (source.hasMoreData()) {\n        const pathSeg = source.parseSegment();\n        if (!pathSeg) {\n          return [];\n        }\n        builder.appendSegment(pathSeg);\n      }\n\n      return builder.pathSegList;\n    }\n  }\n\n  SVGPathSegList.prototype.classname = 'SVGPathSegList';\n\n  Object.defineProperty(SVGPathSegList.prototype, 'numberOfItems', {\n    get () {\n      this._checkPathSynchronizedToList();\n      return this._list.length;\n    },\n    enumerable: true\n  });\n\n  SVGPathSegList._pathSegArrayAsString = function (pathSegArray) {\n    let string = '';\n    let first = true;\n    pathSegArray.forEach((pathSeg) => {\n      if (first) {\n        first = false;\n        string += pathSeg._asPathString();\n      } else {\n        string += ' ' + pathSeg._asPathString();\n      }\n    });\n    return string;\n  };\n\n  // Add the pathSegList accessors to SVGPathElement.\n  // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGAnimatedPathData\n  Object.defineProperties(SVGPathElement.prototype, {\n    pathSegList: {\n      get () {\n        if (!this._pathSegList) {\n          this._pathSegList = new SVGPathSegList(this);\n        }\n        return this._pathSegList;\n      },\n      enumerable: true\n    },\n    // FIXME: The following are not implemented and simply return SVGPathElement.pathSegList.\n    normalizedPathSegList: {get () { return this.pathSegList; }, enumerable: true},\n    animatedPathSegList: {get () { return this.pathSegList; }, enumerable: true},\n    animatedNormalizedPathSegList: {get () { return this.pathSegList; }, enumerable: true}\n  });\n  window.SVGPathSegList = SVGPathSegList;\n}\n})();\n","/* globals jQuery */\n/**\n * Browser detection\n * @module browser\n * @license MIT\n *\n * @copyright 2010 Jeff Schiller, 2010 Alexis Deveria\n */\n\n// Dependencies:\n// 1) jQuery (for $.alert())\n\nimport './svgpathseg.js';\nimport {NS} from './namespaces.js';\n\nconst $ = jQuery;\n\nconst supportsSVG_ = (function () {\nreturn !!document.createElementNS && !!document.createElementNS(NS.SVG, 'svg').createSVGRect;\n}());\n\n/**\n * @function module:browser.supportsSvg\n * @returns {boolean}\n*/\nexport const supportsSvg = () => supportsSVG_;\n\nconst {userAgent} = navigator;\nconst svg = document.createElementNS(NS.SVG, 'svg');\n\n// Note: Browser sniffing should only be used if no other detection method is possible\nconst isOpera_ = !!window.opera;\nconst isWebkit_ = userAgent.includes('AppleWebKit');\nconst isGecko_ = userAgent.includes('Gecko/');\nconst isIE_ = userAgent.includes('MSIE');\nconst isChrome_ = userAgent.includes('Chrome/');\nconst isWindows_ = userAgent.includes('Windows');\nconst isMac_ = userAgent.includes('Macintosh');\nconst isTouch_ = 'ontouchstart' in window;\n\nconst supportsSelectors_ = (function () {\nreturn !!svg.querySelector;\n}());\n\nconst supportsXpath_ = (function () {\nreturn !!document.evaluate;\n}());\n\n// segList functions (for FF1.5 and 2.0)\nconst supportsPathReplaceItem_ = (function () {\nconst path = document.createElementNS(NS.SVG, 'path');\npath.setAttribute('d', 'M0,0 10,10');\nconst seglist = path.pathSegList;\nconst seg = path.createSVGPathSegLinetoAbs(5, 5);\ntry {\n  seglist.replaceItem(seg, 1);\n  return true;\n} catch (err) {}\nreturn false;\n}());\n\nconst supportsPathInsertItemBefore_ = (function () {\nconst path = document.createElementNS(NS.SVG, 'path');\npath.setAttribute('d', 'M0,0 10,10');\nconst seglist = path.pathSegList;\nconst seg = path.createSVGPathSegLinetoAbs(5, 5);\ntry {\n  seglist.insertItemBefore(seg, 1);\n  return true;\n} catch (err) {}\nreturn false;\n}());\n\n// text character positioning (for IE9)\nconst supportsGoodTextCharPos_ = (function () {\nconst svgroot = document.createElementNS(NS.SVG, 'svg');\nconst svgcontent = document.createElementNS(NS.SVG, 'svg');\ndocument.documentElement.append(svgroot);\nsvgcontent.setAttribute('x', 5);\nsvgroot.append(svgcontent);\nconst text = document.createElementNS(NS.SVG, 'text');\ntext.textContent = 'a';\nsvgcontent.append(text);\nconst pos = text.getStartPositionOfChar(0).x;\nsvgroot.remove();\nreturn (pos === 0);\n}());\n\nconst supportsPathBBox_ = (function () {\nconst svgcontent = document.createElementNS(NS.SVG, 'svg');\ndocument.documentElement.append(svgcontent);\nconst path = document.createElementNS(NS.SVG, 'path');\npath.setAttribute('d', 'M0,0 C0,0 10,10 10,0');\nsvgcontent.append(path);\nconst bbox = path.getBBox();\nsvgcontent.remove();\nreturn (bbox.height > 4 && bbox.height < 5);\n}());\n\n// Support for correct bbox sizing on groups with horizontal/vertical lines\nconst supportsHVLineContainerBBox_ = (function () {\nconst svgcontent = document.createElementNS(NS.SVG, 'svg');\ndocument.documentElement.append(svgcontent);\nconst path = document.createElementNS(NS.SVG, 'path');\npath.setAttribute('d', 'M0,0 10,0');\nconst path2 = document.createElementNS(NS.SVG, 'path');\npath2.setAttribute('d', 'M5,0 15,0');\nconst g = document.createElementNS(NS.SVG, 'g');\ng.append(path, path2);\nsvgcontent.append(g);\nconst bbox = g.getBBox();\nsvgcontent.remove();\n// Webkit gives 0, FF gives 10, Opera (correctly) gives 15\nreturn (bbox.width === 15);\n}());\n\nconst supportsEditableText_ = (function () {\n// TODO: Find better way to check support for this\nreturn isOpera_;\n}());\n\nconst supportsGoodDecimals_ = (function () {\n// Correct decimals on clone attributes (Opera < 10.5/win/non-en)\nconst rect = document.createElementNS(NS.SVG, 'rect');\nrect.setAttribute('x', 0.1);\nconst crect = rect.cloneNode(false);\nconst retValue = (!crect.getAttribute('x').includes(','));\nif (!retValue) {\n  // Todo: i18nize or remove\n  $.alert('NOTE: This version of Opera is known to contain bugs in SVG-edit.\\n' +\n\t'Please upgrade to the <a href=\"http://opera.com\">latest version</a> in which the problems have been fixed.');\n}\nreturn retValue;\n}());\n\nconst supportsNonScalingStroke_ = (function () {\nconst rect = document.createElementNS(NS.SVG, 'rect');\nrect.setAttribute('style', 'vector-effect:non-scaling-stroke');\nreturn rect.style.vectorEffect === 'non-scaling-stroke';\n}());\n\nlet supportsNativeSVGTransformLists_ = (function () {\nconst rect = document.createElementNS(NS.SVG, 'rect');\nconst rxform = rect.transform.baseVal;\nconst t1 = svg.createSVGTransform();\nrxform.appendItem(t1);\nconst r1 = rxform.getItem(0);\n// Todo: Do frame-independent instance checking\nreturn r1 instanceof SVGTransform && t1 instanceof SVGTransform &&\n\tr1.type === t1.type && r1.angle === t1.angle &&\n\tr1.matrix.a === t1.matrix.a &&\n\tr1.matrix.b === t1.matrix.b &&\n\tr1.matrix.c === t1.matrix.c &&\n\tr1.matrix.d === t1.matrix.d &&\n\tr1.matrix.e === t1.matrix.e &&\n\tr1.matrix.f === t1.matrix.f;\n}());\n\n// Public API\n\n/**\n * @function module:browser.isOpera\n * @returns {boolean}\n*/\nexport const isOpera = () => isOpera_;\n/**\n * @function module:browser.isWebkit\n * @returns {boolean}\n*/\nexport const isWebkit = () => isWebkit_;\n/**\n * @function module:browser.isGecko\n * @returns {boolean}\n*/\nexport const isGecko = () => isGecko_;\n/**\n * @function module:browser.isIE\n * @returns {boolean}\n*/\nexport const isIE = () => isIE_;\n/**\n * @function module:browser.isChrome\n * @returns {boolean}\n*/\nexport const isChrome = () => isChrome_;\n/**\n * @function module:browser.isWindows\n * @returns {boolean}\n*/\nexport const isWindows = () => isWindows_;\n/**\n * @function module:browser.isMac\n * @returns {boolean}\n*/\nexport const isMac = () => isMac_;\n/**\n * @function module:browser.isTouch\n * @returns {boolean}\n*/\nexport const isTouch = () => isTouch_;\n\n/**\n * @function module:browser.supportsSelectors\n * @returns {boolean}\n*/\nexport const supportsSelectors = () => supportsSelectors_;\n\n/**\n * @function module:browser.supportsXpath\n * @returns {boolean}\n*/\nexport const supportsXpath = () => supportsXpath_;\n\n/**\n * @function module:browser.supportsPathReplaceItem\n * @returns {boolean}\n*/\nexport const supportsPathReplaceItem = () => supportsPathReplaceItem_;\n\n/**\n * @function module:browser.supportsPathInsertItemBefore\n * @returns {boolean}\n*/\nexport const supportsPathInsertItemBefore = () => supportsPathInsertItemBefore_;\n\n/**\n * @function module:browser.supportsPathBBox\n * @returns {boolean}\n*/\nexport const supportsPathBBox = () => supportsPathBBox_;\n\n/**\n * @function module:browser.supportsHVLineContainerBBox\n * @returns {boolean}\n*/\nexport const supportsHVLineContainerBBox = () => supportsHVLineContainerBBox_;\n\n/**\n * @function module:browser.supportsGoodTextCharPos\n * @returns {boolean}\n*/\nexport const supportsGoodTextCharPos = () => supportsGoodTextCharPos_;\n\n/**\n* @function module:browser.supportsEditableText\n * @returns {boolean}\n*/\nexport const supportsEditableText = () => supportsEditableText_;\n\n/**\n * @function module:browser.supportsGoodDecimals\n * @returns {boolean}\n*/\nexport const supportsGoodDecimals = () => supportsGoodDecimals_;\n\n/**\n* @function module:browser.supportsNonScalingStroke\n* @returns {boolean}\n*/\nexport const supportsNonScalingStroke = () => supportsNonScalingStroke_;\n\n/**\n* @function module:browser.supportsNativeTransformLists\n* @returns {boolean}\n*/\nexport const supportsNativeTransformLists = () => supportsNativeSVGTransformLists_;\n\n/**\n * Set `supportsNativeSVGTransformLists_` to `false` (for unit testing)\n * @function module:browser.disableSupportsNativeTransformLists\n * @returns {undefined}\n*/\nexport const disableSupportsNativeTransformLists = () => {\n  supportsNativeSVGTransformLists_ = false;\n};\n","/**\n * jQuery module to work with SVG attributes\n * @module jQueryAttr\n * @license MIT\n */\n\n/**\n* This fixes `$(...).attr()` to work as expected with SVG elements.\n* Does not currently use `*AttributeNS()` since we rarely need that.\n* Adds {@link external:jQuery.fn.attr}.\n* See {@link https://api.jquery.com/attr/} for basic documentation of `.attr()`\n*\n* Additional functionality:\n* - When getting attributes, a string that's a number is returned as type number.\n* - If an array is supplied as the first parameter, multiple values are returned\n*    as an object with values for each given attribute\n* @function module:jQueryAttr.jQueryAttr\n* @param {external:jQuery} $ The jQuery object to which to add the plug-in\n* @returns {external:jQuery}\n*/\nexport default function ($) {\n  const proxied = $.fn.attr,\n    svgns = 'http://www.w3.org/2000/svg';\n  /**\n  * @typedef {PlainObject.<string, string|Float>} module:jQueryAttr.Attributes\n  */\n  /**\n  * @function external:jQuery.fn.attr\n  * @param {string|string[]|PlainObject.<string, string>} key\n  * @param {string} value\n  * @returns {external:jQuery|module:jQueryAttr.Attributes}\n  */\n  $.fn.attr = function (key, value) {\n    const len = this.length;\n    if (!len) { return proxied.apply(this, arguments); }\n    for (let i = 0; i < len; ++i) {\n      const elem = this[i];\n      // set/get SVG attribute\n      if (elem.namespaceURI === svgns) {\n        // Setting attribute\n        if (value !== undefined) {\n          elem.setAttribute(key, value);\n        } else if (Array.isArray(key)) {\n          // Getting attributes from array\n          const obj = {};\n          let j = key.length;\n\n          while (j--) {\n            const aname = key[j];\n            let attr = elem.getAttribute(aname);\n            // This returns a number when appropriate\n            if (attr || attr === '0') {\n              attr = isNaN(attr) ? attr : (attr - 0);\n            }\n            obj[aname] = attr;\n          }\n          return obj;\n        }\n        if (typeof key === 'object') {\n          // Setting attributes from object\n          for (const [name, val] of Object.entries(key)) {\n            elem.setAttribute(name, val);\n          }\n        // Getting attribute\n        } else {\n          let attr = elem.getAttribute(key);\n          if (attr || attr === '0') {\n            attr = isNaN(attr) ? attr : (attr - 0);\n          }\n          return attr;\n        }\n      } else {\n        return proxied.apply(this, arguments);\n      }\n    }\n    return this;\n  };\n  return $;\n}\n","/**\n * Partial polyfill of `SVGTransformList`\n * @module SVGTransformList\n *\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport {NS} from './namespaces.js';\nimport {supportsNativeTransformLists} from './browser.js';\n\nconst svgroot = document.createElementNS(NS.SVG, 'svg');\n\n// Helper function.\nfunction transformToString (xform) {\n  const m = xform.matrix;\n  let text = '';\n  switch (xform.type) {\n  case 1: // MATRIX\n    text = 'matrix(' + [m.a, m.b, m.c, m.d, m.e, m.f].join(',') + ')';\n    break;\n  case 2: // TRANSLATE\n    text = 'translate(' + m.e + ',' + m.f + ')';\n    break;\n  case 3: // SCALE\n    if (m.a === m.d) {\n      text = 'scale(' + m.a + ')';\n    } else {\n      text = 'scale(' + m.a + ',' + m.d + ')';\n    }\n    break;\n  case 4: { // ROTATE\n    let cx = 0;\n    let cy = 0;\n    // this prevents divide by zero\n    if (xform.angle !== 0) {\n      const K = 1 - m.a;\n      cy = (K * m.f + m.b * m.e) / (K * K + m.b * m.b);\n      cx = (m.e - m.b * cy) / K;\n    }\n    text = 'rotate(' + xform.angle + ' ' + cx + ',' + cy + ')';\n    break;\n  }\n  }\n  return text;\n}\n\n/**\n * Map of SVGTransformList objects.\n */\nlet listMap_ = {};\n\n/**\n* @interface module:SVGTransformList.SVGEditTransformList\n* @property {Integer} numberOfItems unsigned long\n*/\n/**\n* @function module:SVGTransformList.SVGEditTransformList#clear\n* @returns {undefined}\n*/\n/**\n* @function module:SVGTransformList.SVGEditTransformList#initialize\n* @param {SVGTransform} newItem\n* @returns {SVGTransform}\n*/\n/**\n* (DOES NOT THROW DOMException, INDEX_SIZE_ERR)\n* @function module:SVGTransformList.SVGEditTransformList#getItem\n* @param {Integer} index unsigned long\n* @returns {SVGTransform}\n*/\n/**\n* (DOES NOT THROW DOMException, INDEX_SIZE_ERR)\n* @function module:SVGTransformList.SVGEditTransformList#insertItemBefore\n* @param {SVGTransform} newItem\n* @param {Integer} index unsigned long\n* @returns {SVGTransform}\n*/\n/**\n* (DOES NOT THROW DOMException, INDEX_SIZE_ERR)\n* @function module:SVGTransformList.SVGEditTransformList#replaceItem\n* @param {SVGTransform} newItem\n* @param {Integer} index unsigned long\n* @returns {SVGTransform}\n*/\n/**\n* (DOES NOT THROW DOMException, INDEX_SIZE_ERR)\n* @function module:SVGTransformList.SVGEditTransformList#removeItem\n* @param {Integer} index unsigned long\n* @returns {SVGTransform}\n*/\n/**\n* @function module:SVGTransformList.SVGEditTransformList#appendItem\n* @param {SVGTransform} newItem\n* @returns {SVGTransform}\n*/\n/**\n* NOT IMPLEMENTED\n* @ignore\n* @function module:SVGTransformList.SVGEditTransformList#createSVGTransformFromMatrix\n* @param {SVGMatrix} matrix\n* @returns {SVGTransform}\n*/\n/**\n* NOT IMPLEMENTED\n* @ignore\n* @function module:SVGTransformList.SVGEditTransformList#consolidate\n* @returns {SVGTransform}\n*/\n\n/**\n* SVGTransformList implementation for Webkit.\n* These methods do not currently raise any exceptions.\n* These methods also do not check that transforms are being inserted.  This is basically\n* implementing as much of SVGTransformList that we need to get the job done.\n*/\nexport class SVGTransformList {\n  /**\n  * @param {Element} elem\n  */\n  constructor (elem) {\n    this._elem = elem || null;\n    this._xforms = [];\n    // TODO: how do we capture the undo-ability in the changed transform list?\n    this._update = function () {\n      let tstr = '';\n      // /* const concatMatrix = */ svgroot.createSVGMatrix();\n      for (let i = 0; i < this.numberOfItems; ++i) {\n        const xform = this._list.getItem(i);\n        tstr += transformToString(xform) + ' ';\n      }\n      this._elem.setAttribute('transform', tstr);\n    };\n    this._list = this;\n    this._init = function () {\n      // Transform attribute parser\n      let str = this._elem.getAttribute('transform');\n      if (!str) { return; }\n\n      // TODO: Add skew support in future\n      const re = /\\s*((scale|matrix|rotate|translate)\\s*\\(.*?\\))\\s*,?\\s*/;\n      let m = true;\n      while (m) {\n        m = str.match(re);\n        str = str.replace(re, '');\n        if (m && m[1]) {\n          const x = m[1];\n          const bits = x.split(/\\s*\\(/);\n          const name = bits[0];\n          const valBits = bits[1].match(/\\s*(.*?)\\s*\\)/);\n          valBits[1] = valBits[1].replace(/(\\d)-/g, '$1 -');\n          const valArr = valBits[1].split(/[, ]+/);\n          const letters = 'abcdef'.split('');\n          const mtx = svgroot.createSVGMatrix();\n          Object.values(valArr).forEach(function (item, i) {\n            valArr[i] = parseFloat(item);\n            if (name === 'matrix') {\n              mtx[letters[i]] = valArr[i];\n            }\n          });\n          const xform = svgroot.createSVGTransform();\n          const fname = 'set' + name.charAt(0).toUpperCase() + name.slice(1);\n          const values = name === 'matrix' ? [mtx] : valArr;\n\n          if (name === 'scale' && values.length === 1) {\n            values.push(values[0]);\n          } else if (name === 'translate' && values.length === 1) {\n            values.push(0);\n          } else if (name === 'rotate' && values.length === 1) {\n            values.push(0, 0);\n          }\n          xform[fname].apply(xform, values);\n          this._list.appendItem(xform);\n        }\n      }\n    };\n    this._removeFromOtherLists = function (item) {\n      if (item) {\n        // Check if this transform is already in a transformlist, and\n        // remove it if so.\n        let found = false;\n        for (const id in listMap_) {\n          const tl = listMap_[id];\n          for (let i = 0, len = tl._xforms.length; i < len; ++i) {\n            if (tl._xforms[i] === item) {\n              found = true;\n              tl.removeItem(i);\n              break;\n            }\n          }\n          if (found) {\n            break;\n          }\n        }\n      }\n    };\n\n    this.numberOfItems = 0;\n  }\n  /**\n  * @returns {undefined}\n  */\n  clear () {\n    this.numberOfItems = 0;\n    this._xforms = [];\n  }\n\n  /**\n  * @param {SVGTransform} newItem\n  * @returns {SVGTransform}\n  */\n  initialize (newItem) {\n    this.numberOfItems = 1;\n    this._removeFromOtherLists(newItem);\n    this._xforms = [newItem];\n  }\n\n  /**\n  * @param {Integer} index unsigned long\n  * @throws {Error}\n  * @returns {SVGTransform}\n  */\n  getItem (index) {\n    if (index < this.numberOfItems && index >= 0) {\n      return this._xforms[index];\n    }\n    const err = new Error('DOMException with code=INDEX_SIZE_ERR');\n    err.code = 1;\n    throw err;\n  }\n\n  /**\n  * @param {SVGTransform} newItem\n  * @param {Integer} index unsigned long\n  * @returns {SVGTransform}\n  */\n  insertItemBefore (newItem, index) {\n    let retValue = null;\n    if (index >= 0) {\n      if (index < this.numberOfItems) {\n        this._removeFromOtherLists(newItem);\n        const newxforms = new Array(this.numberOfItems + 1);\n        // TODO: use array copying and slicing\n        let i;\n        for (i = 0; i < index; ++i) {\n          newxforms[i] = this._xforms[i];\n        }\n        newxforms[i] = newItem;\n        for (let j = i + 1; i < this.numberOfItems; ++j, ++i) {\n          newxforms[j] = this._xforms[i];\n        }\n        this.numberOfItems++;\n        this._xforms = newxforms;\n        retValue = newItem;\n        this._list._update();\n      } else {\n        retValue = this._list.appendItem(newItem);\n      }\n    }\n    return retValue;\n  }\n\n  /**\n  * @param {SVGTransform} newItem\n  * @param {Integer} index unsigned long\n  * @returns {SVGTransform}\n  */\n  replaceItem (newItem, index) {\n    let retValue = null;\n    if (index < this.numberOfItems && index >= 0) {\n      this._removeFromOtherLists(newItem);\n      this._xforms[index] = newItem;\n      retValue = newItem;\n      this._list._update();\n    }\n    return retValue;\n  }\n\n  /**\n  * @param {Integer} index unsigned long\n  * @throws {Error}\n  * @returns {SVGTransform}\n  */\n  removeItem (index) {\n    if (index < this.numberOfItems && index >= 0) {\n      const retValue = this._xforms[index];\n      const newxforms = new Array(this.numberOfItems - 1);\n      let i;\n      for (i = 0; i < index; ++i) {\n        newxforms[i] = this._xforms[i];\n      }\n      for (let j = i; j < this.numberOfItems - 1; ++j, ++i) {\n        newxforms[j] = this._xforms[i + 1];\n      }\n      this.numberOfItems--;\n      this._xforms = newxforms;\n      this._list._update();\n      return retValue;\n    }\n    const err = new Error('DOMException with code=INDEX_SIZE_ERR');\n    err.code = 1;\n    throw err;\n  }\n\n  /**\n  * @param {SVGTransform} newItem\n  * @returns {SVGTransform}\n  */\n  appendItem (newItem) {\n    this._removeFromOtherLists(newItem);\n    this._xforms.push(newItem);\n    this.numberOfItems++;\n    this._list._update();\n    return newItem;\n  }\n}\n\n/**\n* @function module:SVGTransformList.resetListMap\n* @returns {undefined}\n*/\nexport const resetListMap = function () {\n  listMap_ = {};\n};\n\n/**\n * Removes transforms of the given element from the map.\n * @function module:SVGTransformList.removeElementFromListMap\n * @param {Element} elem - a DOM Element\n * @returns {undefined}\n */\nexport let removeElementFromListMap = function (elem) {\n  if (elem.id && listMap_[elem.id]) {\n    delete listMap_[elem.id];\n  }\n};\n\n/**\n* Returns an object that behaves like a `SVGTransformList` for the given DOM element\n* @function module:SVGTransformList.getTransformList\n* @param {Element} elem - DOM element to get a transformlist from\n* @todo The polyfill should have `SVGAnimatedTransformList` and this should use it\n* @returns {SVGAnimatedTransformList|SVGTransformList}\n*/\nexport const getTransformList = function (elem) {\n  if (!supportsNativeTransformLists()) {\n    const id = elem.id || 'temp';\n    let t = listMap_[id];\n    if (!t || id === 'temp') {\n      listMap_[id] = new SVGTransformList(elem);\n      listMap_[id]._init();\n      t = listMap_[id];\n    }\n    return t;\n  }\n  if (elem.transform) {\n    return elem.transform.baseVal;\n  }\n  if (elem.gradientTransform) {\n    return elem.gradientTransform.baseVal;\n  }\n  if (elem.patternTransform) {\n    return elem.patternTransform.baseVal;\n  }\n\n  return null;\n};\n\n/**\n* @callback module:SVGTransformList.removeElementFromListMap\n* @param {Element} elem\n*/\n/**\n* For unit-testing\n* @function module:SVGTransformList.changeRemoveElementFromListMap\n* @param {module:SVGTransformList.removeElementFromListMap} cb Passed a single argument `elem`\n* @returns {undefined}\n*/\nexport const changeRemoveElementFromListMap = function (cb) {\n  removeElementFromListMap = cb;\n};\n","/**\n * Tools for working with units\n * @module units\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport {NS} from './namespaces.js';\n\nconst wAttrs = ['x', 'x1', 'cx', 'rx', 'width'];\nconst hAttrs = ['y', 'y1', 'cy', 'ry', 'height'];\nconst unitAttrs = ['r', 'radius', ...wAttrs, ...hAttrs];\n// unused\n/*\nconst unitNumMap = {\n  '%': 2,\n  em: 3,\n  ex: 4,\n  px: 5,\n  cm: 6,\n  mm: 7,\n  in: 8,\n  pt: 9,\n  pc: 10\n};\n*/\n// Container of elements.\nlet elementContainer_;\n\n// Stores mapping of unit type to user coordinates.\nlet typeMap_ = {};\n\n/**\n * @interface module:units.ElementContainer\n */\n/**\n * @function module:units.ElementContainer#getBaseUnit\n * @returns {string} The base unit type of the container ('em')\n */\n/**\n * @function module:units.ElementContainer#getElement\n * @returns {Element} An element in the container given an id\n */\n/**\n * @function module:units.ElementContainer#getHeight\n * @returns {Float} The container's height\n */\n/**\n * @function module:units.ElementContainer#getWidth\n * @returns {Float} The container's width\n */\n/**\n * @function module:units.ElementContainer#getRoundDigits\n * @returns {Integer} The number of digits number should be rounded to\n */\n\n/**\n * @typedef {PlainObject} module:units.TypeMap\n * @property {Float} em\n * @property {Float} ex\n * @property {Float} in\n * @property {Float} cm\n * @property {Float} mm\n * @property {Float} pt\n * @property {Float} pc\n * @property {Integer} px\n * @property {0} %\n */\n\n/**\n * Initializes this module.\n *\n * @function module:units.init\n * @param {module:units.ElementContainer} elementContainer - An object implementing the ElementContainer interface.\n * @returns {undefined}\n */\nexport const init = function (elementContainer) {\n  elementContainer_ = elementContainer;\n\n  // Get correct em/ex values by creating a temporary SVG.\n  const svg = document.createElementNS(NS.SVG, 'svg');\n  document.body.append(svg);\n  const rect = document.createElementNS(NS.SVG, 'rect');\n  rect.setAttribute('width', '1em');\n  rect.setAttribute('height', '1ex');\n  rect.setAttribute('x', '1in');\n  svg.append(rect);\n  const bb = rect.getBBox();\n  svg.remove();\n\n  const inch = bb.x;\n  typeMap_ = {\n    em: bb.width,\n    ex: bb.height,\n    in: inch,\n    cm: inch / 2.54,\n    mm: inch / 25.4,\n    pt: inch / 72,\n    pc: inch / 6,\n    px: 1,\n    '%': 0\n  };\n};\n\n/**\n* Group: Unit conversion functions\n*/\n\n/**\n * @function module:units.getTypeMap\n * @returns {module:units.TypeMap} The unit object with values for each unit\n*/\nexport const getTypeMap = function () {\n  return typeMap_;\n};\n\n/**\n* @typedef {GenericArray} module:units.CompareNumbers\n* @property {Integer} length 2\n* @property {Float} 0\n* @property {Float} 1\n*/\n\n/**\n* Rounds a given value to a float with number of digits defined in\n* `round_digits` of `saveOptions`\n*\n* @function module:units.shortFloat\n* @param {string|Float|module:units.CompareNumbers} val - The value (or Array of two numbers) to be rounded\n* @returns {Float|string} If a string/number was given, returns a Float. If an array, return a string\n* with comma-separated floats\n*/\nexport const shortFloat = function (val) {\n  const digits = elementContainer_.getRoundDigits();\n  if (!isNaN(val)) {\n    // Note that + converts to Number\n    return +((+val).toFixed(digits));\n  }\n  if (Array.isArray(val)) {\n    return shortFloat(val[0]) + ',' + shortFloat(val[1]);\n  }\n  return parseFloat(val).toFixed(digits) - 0;\n};\n\n/**\n* Converts the number to given unit or baseUnit\n* @function module:units.convertUnit\n* @returns {Float}\n*/\nexport const convertUnit = function (val, unit) {\n  unit = unit || elementContainer_.getBaseUnit();\n  // baseVal.convertToSpecifiedUnits(unitNumMap[unit]);\n  // const val = baseVal.valueInSpecifiedUnits;\n  // baseVal.convertToSpecifiedUnits(1);\n  return shortFloat(val / typeMap_[unit]);\n};\n\n/**\n* Sets an element's attribute based on the unit in its current value.\n*\n* @function module:units.setUnitAttr\n* @param {Element} elem - DOM element to be changed\n* @param {string} attr - Name of the attribute associated with the value\n* @param {string} val - Attribute value to convert\n* @returns {undefined}\n*/\nexport const setUnitAttr = function (elem, attr, val) {\n  //  if (!isNaN(val)) {\n  // New value is a number, so check currently used unit\n  // const oldVal = elem.getAttribute(attr);\n\n  // Enable this for alternate mode\n  // if (oldVal !== null && (isNaN(oldVal) || elementContainer_.getBaseUnit() !== 'px')) {\n  //   // Old value was a number, so get unit, then convert\n  //   let unit;\n  //   if (oldVal.substr(-1) === '%') {\n  //     const res = getResolution();\n  //     unit = '%';\n  //     val *= 100;\n  //     if (wAttrs.includes(attr)) {\n  //       val = val / res.w;\n  //     } else if (hAttrs.includes(attr)) {\n  //       val = val / res.h;\n  //     } else {\n  //       return val / Math.sqrt((res.w*res.w) + (res.h*res.h))/Math.sqrt(2);\n  //     }\n  //   } else {\n  //     if (elementContainer_.getBaseUnit() !== 'px') {\n  //       unit = elementContainer_.getBaseUnit();\n  //     } else {\n  //       unit = oldVal.substr(-2);\n  //     }\n  //     val = val / typeMap_[unit];\n  //   }\n  //\n  // val += unit;\n  // }\n  // }\n  elem.setAttribute(attr, val);\n};\n\nconst attrsToConvert = {\n  line: ['x1', 'x2', 'y1', 'y2'],\n  circle: ['cx', 'cy', 'r'],\n  ellipse: ['cx', 'cy', 'rx', 'ry'],\n  foreignObject: ['x', 'y', 'width', 'height'],\n  rect: ['x', 'y', 'width', 'height'],\n  image: ['x', 'y', 'width', 'height'],\n  use: ['x', 'y', 'width', 'height'],\n  text: ['x', 'y']\n};\n\n/**\n* Converts all applicable attributes to the configured baseUnit\n* @function module:units.convertAttrs\n* @param {Element} element - A DOM element whose attributes should be converted\n* @returns {undefined}\n*/\nexport const convertAttrs = function (element) {\n  const elName = element.tagName;\n  const unit = elementContainer_.getBaseUnit();\n  const attrs = attrsToConvert[elName];\n  if (!attrs) { return; }\n\n  const len = attrs.length;\n  for (let i = 0; i < len; i++) {\n    const attr = attrs[i];\n    const cur = element.getAttribute(attr);\n    if (cur) {\n      if (!isNaN(cur)) {\n        element.setAttribute(attr, (cur / typeMap_[unit]) + unit);\n      }\n      // else {\n      // Convert existing?\n      // }\n    }\n  }\n};\n\n/**\n* Converts given values to numbers. Attributes must be supplied in\n* case a percentage is given\n*\n* @function module:units.convertToNum\n* @param {string} attr - Name of the attribute associated with the value\n* @param {string} val - Attribute value to convert\n* @returns {Float} The converted number\n*/\nexport const convertToNum = function (attr, val) {\n  // Return a number if that's what it already is\n  if (!isNaN(val)) { return val - 0; }\n  if (val.substr(-1) === '%') {\n    // Deal with percentage, depends on attribute\n    const num = val.substr(0, val.length - 1) / 100;\n    const width = elementContainer_.getWidth();\n    const height = elementContainer_.getHeight();\n\n    if (wAttrs.includes(attr)) {\n      return num * width;\n    }\n    if (hAttrs.includes(attr)) {\n      return num * height;\n    }\n    return num * Math.sqrt((width * width) + (height * height)) / Math.sqrt(2);\n  }\n  const unit = val.substr(-2);\n  const num = val.substr(0, val.length - 2);\n  // Note that this multiplication turns the string into a number\n  return num * typeMap_[unit];\n};\n\n/**\n* Check if an attribute's value is in a valid format\n* @function module:units.isValidUnit\n* @param {string} attr - The name of the attribute associated with the value\n* @param {string} val - The attribute value to check\n* @returns {boolean} Whether the unit is valid\n*/\nexport const isValidUnit = function (attr, val, selectedElement) {\n  if (unitAttrs.includes(attr)) {\n    // True if it's just a number\n    if (!isNaN(val)) {\n      return true;\n    }\n    // Not a number, check if it has a valid unit\n    val = val.toLowerCase();\n    return Object.keys(typeMap_).some((unit) => {\n      const re = new RegExp('^-?[\\\\d\\\\.]+' + unit + '$');\n      return re.test(val);\n    });\n  }\n  if (attr === 'id') {\n    // if we're trying to change the id, make sure it's not already present in the doc\n    // and the id value is valid.\n\n    let result = false;\n    // because getElem() can throw an exception in the case of an invalid id\n    // (according to https://www.w3.org/TR/xml-id/ IDs must be a NCName)\n    // we wrap it in an exception and only return true if the ID was valid and\n    // not already present\n    try {\n      const elem = elementContainer_.getElement(val);\n      result = (elem == null || elem === selectedElement);\n    } catch (e) {}\n    return result;\n  }\n  return true;\n};\n","/**\n * For command history tracking and undo functionality\n * @module history\n * @license MIT\n * @copyright 2010 Jeff Schiller\n */\n\nimport {getHref, setHref, getRotationAngle} from './utilities.js';\nimport {removeElementFromListMap} from './svgtransformlist.js';\n\n/**\n* Group: Undo/Redo history management\n*/\nexport const HistoryEventTypes = {\n  BEFORE_APPLY: 'before_apply',\n  AFTER_APPLY: 'after_apply',\n  BEFORE_UNAPPLY: 'before_unapply',\n  AFTER_UNAPPLY: 'after_unapply'\n};\n\n// const removedElements = {};\n\n/**\n* Base class for commands\n*/\nclass Command {\n  /**\n  * @returns {string}\n  */\n  getText () {\n    return this.text;\n  }\n}\n\n// Todo: Figure out why the interface members aren't showing\n//   up (with or without modules applied), despite our apparently following\n//   http://usejsdoc.org/tags-interface.html#virtual-comments\n\n/**\n * An interface that all command objects must implement.\n * @interface module:history.HistoryCommand\n*/\n/**\n * Applies\n *\n * @function module:history.HistoryCommand#apply\n * @param {module:history.HistoryEventHandler}\n * @fires module:history~Command#event:history\n * @returns {undefined|true}\n */\n/**\n *\n * Unapplies\n * @function module:history.HistoryCommand#unapply\n * @param {module:history.HistoryEventHandler}\n * @fires module:history~Command#event:history\n * @returns {undefined|true}\n */\n/**\n * Returns the elements\n * @function module:history.HistoryCommand#elements\n * @returns {Element[]}\n */\n/**\n * Gets the text\n * @function module:history.HistoryCommand#getText\n * @returns {string}\n */\n/**\n * Gives the type\n * @function module:history.HistoryCommand.type\n * @returns {string}\n */\n/**\n * Gives the type\n * @function module:history.HistoryCommand#type\n * @returns {string}\n*/\n\n/**\n * @event module:history~Command#event:history\n * @type {module:history.HistoryCommand}\n */\n\n/**\n * An interface for objects that will handle history events.\n * @interface module:history.HistoryEventHandler\n */\n/**\n *\n * @function module:history.HistoryEventHandler#handleHistoryEvent\n * @param {string} eventType One of the HistoryEvent types\n * @param {module:history~Command#event:history} command\n * @listens module:history~Command#event:history\n * @returns {undefined}\n *\n */\n\n/**\n * History command for an element that had its DOM position changed\n * @implements {module:history.HistoryCommand}\n * @param {Element} elem - The DOM element that was moved\n * @param {Element} oldNextSibling - The element's next sibling before it was moved\n * @param {Element} oldParent - The element's parent before it was moved\n * @param {string} [text] - An optional string visible to user related to this change\n*/\nexport class MoveElementCommand extends Command {\n  constructor (elem, oldNextSibling, oldParent, text) {\n    super();\n    this.elem = elem;\n    this.text = text ? ('Move ' + elem.tagName + ' to ' + text) : ('Move ' + elem.tagName);\n    this.oldNextSibling = oldNextSibling;\n    this.oldParent = oldParent;\n    this.newNextSibling = elem.nextSibling;\n    this.newParent = elem.parentNode;\n  }\n  type () {\n    return 'svgedit.history.MoveElementCommand';\n  }\n\n  /**\n   * Re-positions the element\n   * @param {module:history.HistoryEventHandler} handler\n   * @fires module:history~Command#event:history\n   * @returns {undefined}\n  */\n  apply (handler) {\n    // TODO(codedread): Refactor this common event code into a base HistoryCommand class.\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    this.elem = this.newParent.insertBefore(this.elem, this.newNextSibling);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n  }\n\n  /**\n   * Positions the element back to its original location\n   * @param {module:history.HistoryEventHandler} handler\n   * @fires module:history~Command#event:history\n   * @returns {undefined}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    this.elem = this.oldParent.insertBefore(this.elem, this.oldNextSibling);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n  }\n\n  /**\n  * @returns {Element[]} Array with element associated with this command\n  */\n  elements () {\n    return [this.elem];\n  }\n}\nMoveElementCommand.type = MoveElementCommand.prototype.type;\n\n/**\n* History command for an element that was added to the DOM\n* @implements {module:history.HistoryCommand}\n*\n* @param {Element} elem - The newly added DOM element\n* @param {string} text - An optional string visible to user related to this change\n*/\nexport class InsertElementCommand extends Command {\n  constructor (elem, text) {\n    super();\n    this.elem = elem;\n    this.text = text || ('Create ' + elem.tagName);\n    this.parent = elem.parentNode;\n    this.nextSibling = this.elem.nextSibling;\n  }\n\n  type () {\n    return 'svgedit.history.InsertElementCommand';\n  }\n\n  /**\n  * Re-inserts the new element\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  apply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    this.elem = this.parent.insertBefore(this.elem, this.nextSibling);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n  }\n\n  /**\n  * Removes the element\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    this.parent = this.elem.parentNode;\n    this.elem = this.elem.parentNode.removeChild(this.elem);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n  }\n\n  /**\n  * @returns {Element[]} Array with element associated with this command\n  */\n  elements () {\n    return [this.elem];\n  }\n}\nInsertElementCommand.type = InsertElementCommand.prototype.type;\n\n/**\n* History command for an element removed from the DOM\n* @implements {module:history.HistoryCommand}\n* @param {Element} elem - The removed DOM element\n* @param {Node} oldNextSibling - The DOM element's nextSibling when it was in the DOM\n* @param {Element} oldParent - The DOM element's parent\n* @param {string} [text] - An optional string visible to user related to this change\n*/\nexport class RemoveElementCommand extends Command {\n  constructor (elem, oldNextSibling, oldParent, text) {\n    super();\n    this.elem = elem;\n    this.text = text || ('Delete ' + elem.tagName);\n    this.nextSibling = oldNextSibling;\n    this.parent = oldParent;\n\n    // special hack for webkit: remove this element's entry in the svgTransformLists map\n    removeElementFromListMap(elem);\n  }\n  type () {\n    return 'svgedit.history.RemoveElementCommand';\n  }\n\n  /**\n  * Re-removes the new element\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  apply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    removeElementFromListMap(this.elem);\n    this.parent = this.elem.parentNode;\n    this.elem = this.parent.removeChild(this.elem);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n  }\n\n  /**\n  * Re-adds the new element\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    removeElementFromListMap(this.elem);\n    if (this.nextSibling == null) {\n      if (window.console) {\n        console.log('Error: reference element was lost');\n      }\n    }\n    this.parent.insertBefore(this.elem, this.nextSibling); // Don't use `before` or `prepend` as `this.nextSibling` may be `null`\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n  }\n\n  /**\n  * @returns {Element[]} Array with element associated with this command\n  */\n  elements () {\n    return [this.elem];\n  }\n}\nRemoveElementCommand.type = RemoveElementCommand.prototype.type;\n\n/**\n* @typedef {\"#text\"|\"#href\"|string} module:history.CommandAttributeName\n*/\n/**\n* @typedef {PlainObject.<module:history.CommandAttributeName, string>} module:history.CommandAttributes\n*/\n\n/**\n* History command to make a change to an element.\n* Usually an attribute change, but can also be textcontent.\n* @implements {module:history.HistoryCommand}\n* @param {Element} elem - The DOM element that was changed\n* @param {module:history.CommandAttributes} attrs - Attributes to be changed with the values they had *before* the change\n* @param {string} text - An optional string visible to user related to this change\n*/\nexport class ChangeElementCommand extends Command {\n  constructor (elem, attrs, text) {\n    super();\n    this.elem = elem;\n    this.text = text ? ('Change ' + elem.tagName + ' ' + text) : ('Change ' + elem.tagName);\n    this.newValues = {};\n    this.oldValues = attrs;\n    for (const attr in attrs) {\n      if (attr === '#text') {\n        this.newValues[attr] = elem.textContent;\n      } else if (attr === '#href') {\n        this.newValues[attr] = getHref(elem);\n      } else {\n        this.newValues[attr] = elem.getAttribute(attr);\n      }\n    }\n  }\n  type () {\n    return 'svgedit.history.ChangeElementCommand';\n  }\n\n  /**\n  * Performs the stored change action\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {true}\n  */\n  apply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    let bChangedTransform = false;\n    for (const attr in this.newValues) {\n      if (this.newValues[attr]) {\n        if (attr === '#text') {\n          this.elem.textContent = this.newValues[attr];\n        } else if (attr === '#href') {\n          setHref(this.elem, this.newValues[attr]);\n        } else {\n          this.elem.setAttribute(attr, this.newValues[attr]);\n        }\n      } else {\n        if (attr === '#text') {\n          this.elem.textContent = '';\n        } else {\n          this.elem.setAttribute(attr, '');\n          this.elem.removeAttribute(attr);\n        }\n      }\n\n      if (attr === 'transform') { bChangedTransform = true; }\n    }\n\n    // relocate rotational transform, if necessary\n    if (!bChangedTransform) {\n      const angle = getRotationAngle(this.elem);\n      if (angle) {\n        const bbox = this.elem.getBBox();\n        const cx = bbox.x + bbox.width / 2,\n          cy = bbox.y + bbox.height / 2;\n        const rotate = ['rotate(', angle, ' ', cx, ',', cy, ')'].join('');\n        if (rotate !== this.elem.getAttribute('transform')) {\n          this.elem.setAttribute('transform', rotate);\n        }\n      }\n    }\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n\n    return true;\n  }\n\n  /**\n  * Reverses the stored change action\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {true}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    let bChangedTransform = false;\n    for (const attr in this.oldValues) {\n      if (this.oldValues[attr]) {\n        if (attr === '#text') {\n          this.elem.textContent = this.oldValues[attr];\n        } else if (attr === '#href') {\n          setHref(this.elem, this.oldValues[attr]);\n        } else {\n          this.elem.setAttribute(attr, this.oldValues[attr]);\n        }\n      } else {\n        if (attr === '#text') {\n          this.elem.textContent = '';\n        } else {\n          this.elem.removeAttribute(attr);\n        }\n      }\n      if (attr === 'transform') { bChangedTransform = true; }\n    }\n    // relocate rotational transform, if necessary\n    if (!bChangedTransform) {\n      const angle = getRotationAngle(this.elem);\n      if (angle) {\n        const bbox = this.elem.getBBox();\n        const cx = bbox.x + bbox.width / 2,\n          cy = bbox.y + bbox.height / 2;\n        const rotate = ['rotate(', angle, ' ', cx, ',', cy, ')'].join('');\n        if (rotate !== this.elem.getAttribute('transform')) {\n          this.elem.setAttribute('transform', rotate);\n        }\n      }\n    }\n\n    // Remove transformlist to prevent confusion that causes bugs like 575.\n    removeElementFromListMap(this.elem);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n\n    return true;\n  }\n\n  /**\n  * @returns {Element[]} Array with element associated with this command\n  */\n  elements () {\n    return [this.elem];\n  }\n}\nChangeElementCommand.type = ChangeElementCommand.prototype.type;\n\n// TODO: create a 'typing' command object that tracks changes in text\n// if a new Typing command is created and the top command on the stack is also a Typing\n// and they both affect the same element, then collapse the two commands into one\n\n/**\n* History command that can contain/execute multiple other commands\n* @implements {module:history.HistoryCommand}\n*/\nexport class BatchCommand extends Command {\n  /**\n  * @param {string} [text] - An optional string visible to user related to this change\n  */\n  constructor (text) {\n    super();\n    this.text = text || 'Batch Command';\n    this.stack = [];\n  }\n\n  type () {\n    return 'svgedit.history.BatchCommand';\n  }\n\n  /**\n  * Runs \"apply\" on all subcommands\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  apply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    const len = this.stack.length;\n    for (let i = 0; i < len; ++i) {\n      this.stack[i].apply(handler);\n    }\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n  }\n\n  /**\n  * Runs \"unapply\" on all subcommands\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    for (let i = this.stack.length - 1; i >= 0; i--) {\n      this.stack[i].unapply(handler);\n    }\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n  }\n\n  /**\n  * Iterate through all our subcommands\n  * @returns {Element[]} All the elements we are changing\n  */\n  elements () {\n    const elems = [];\n    let cmd = this.stack.length;\n    while (cmd--) {\n      const thisElems = this.stack[cmd].elements();\n      let elem = thisElems.length;\n      while (elem--) {\n        if (!elems.includes(thisElems[elem])) { elems.push(thisElems[elem]); }\n      }\n    }\n    return elems;\n  }\n\n  /**\n  * Adds a given command to the history stack\n  * @param {Command} cmd - The undo command object to add\n  */\n  addSubCommand (cmd) {\n    this.stack.push(cmd);\n  }\n\n  /**\n  * @returns {boolean} Indicates whether or not the batch command is empty\n  */\n  isEmpty () {\n    return !this.stack.length;\n  }\n}\nBatchCommand.type = BatchCommand.prototype.type;\n\n/**\n*\n*/\nexport class UndoManager {\n  /**\n  * @param {module:history.HistoryEventHandler} historyEventHandler\n  */\n  constructor (historyEventHandler) {\n    this.handler_ = historyEventHandler || null;\n    this.undoStackPointer = 0;\n    this.undoStack = [];\n\n    // this is the stack that stores the original values, the elements and\n    // the attribute name for begin/finish\n    this.undoChangeStackPointer = -1;\n    this.undoableChangeStack = [];\n  }\n\n  /**\n  * Resets the undo stack, effectively clearing the undo/redo history\n  * @returns {undefined}\n  */\n  resetUndoStack () {\n    this.undoStack = [];\n    this.undoStackPointer = 0;\n  }\n\n  /**\n  * @returns {Integer} Current size of the undo history stack\n  */\n  getUndoStackSize () {\n    return this.undoStackPointer;\n  }\n\n  /**\n  * @returns {Integer} Current size of the redo history stack\n  */\n  getRedoStackSize () {\n    return this.undoStack.length - this.undoStackPointer;\n  }\n\n  /**\n  * @returns {string} String associated with the next undo command\n  */\n  getNextUndoCommandText () {\n    return this.undoStackPointer > 0 ? this.undoStack[this.undoStackPointer - 1].getText() : '';\n  }\n\n  /**\n  * @returns {string} String associated with the next redo command\n  */\n  getNextRedoCommandText () {\n    return this.undoStackPointer < this.undoStack.length ? this.undoStack[this.undoStackPointer].getText() : '';\n  }\n\n  /**\n  * Performs an undo step\n  * @returns {undefined}\n  */\n  undo () {\n    if (this.undoStackPointer > 0) {\n      const cmd = this.undoStack[--this.undoStackPointer];\n      cmd.unapply(this.handler_);\n    }\n  }\n\n  /**\n  * Performs a redo step\n  * @returns {undefined}\n  */\n  redo () {\n    if (this.undoStackPointer < this.undoStack.length && this.undoStack.length > 0) {\n      const cmd = this.undoStack[this.undoStackPointer++];\n      cmd.apply(this.handler_);\n    }\n  }\n\n  /**\n  * Adds a command object to the undo history stack\n  * @param {Command} cmd - The command object to add\n  * @returns {undefined}\n  */\n  addCommandToHistory (cmd) {\n    // FIXME: we MUST compress consecutive text changes to the same element\n    // (right now each keystroke is saved as a separate command that includes the\n    // entire text contents of the text element)\n    // TODO: consider limiting the history that we store here (need to do some slicing)\n\n    // if our stack pointer is not at the end, then we have to remove\n    // all commands after the pointer and insert the new command\n    if (this.undoStackPointer < this.undoStack.length && this.undoStack.length > 0) {\n      this.undoStack = this.undoStack.splice(0, this.undoStackPointer);\n    }\n    this.undoStack.push(cmd);\n    this.undoStackPointer = this.undoStack.length;\n  }\n\n  /**\n  * This function tells the canvas to remember the old values of the\n  * `attrName` attribute for each element sent in.  The elements and values\n  * are stored on a stack, so the next call to `finishUndoableChange()` will\n  * pop the elements and old values off the stack, gets the current values\n  * from the DOM and uses all of these to construct the undo-able command.\n  * @param {string} attrName - The name of the attribute being changed\n  * @param {Element[]} elems - Array of DOM elements being changed\n  * @returns {undefined}\n  */\n  beginUndoableChange (attrName, elems) {\n    const p = ++this.undoChangeStackPointer;\n    let i = elems.length;\n    const oldValues = new Array(i), elements = new Array(i);\n    while (i--) {\n      const elem = elems[i];\n      if (elem == null) { continue; }\n      elements[i] = elem;\n      oldValues[i] = elem.getAttribute(attrName);\n    }\n    this.undoableChangeStack[p] = {\n      attrName,\n      oldValues,\n      elements\n    };\n  }\n\n  /**\n  * This function returns a `BatchCommand` object which summarizes the\n  * change since `beginUndoableChange` was called.  The command can then\n  * be added to the command history\n  * @returns {BatchCommand} Batch command object with resulting changes\n  */\n  finishUndoableChange () {\n    const p = this.undoChangeStackPointer--;\n    const changeset = this.undoableChangeStack[p];\n    const {attrName} = changeset;\n    const batchCmd = new BatchCommand('Change ' + attrName);\n    let i = changeset.elements.length;\n    while (i--) {\n      const elem = changeset.elements[i];\n      if (elem == null) { continue; }\n      const changes = {};\n      changes[attrName] = changeset.oldValues[i];\n      if (changes[attrName] !== elem.getAttribute(attrName)) {\n        batchCmd.addSubCommand(new ChangeElementCommand(elem, changes, attrName));\n      }\n    }\n    this.undoableChangeStack[p] = null;\n    return batchCmd;\n  }\n}\n","/* globals jQuery */\n/**\n * Path functionality\n * @module path\n * @license MIT\n *\n * @copyright 2011 Alexis Deveria, 2011 Jeff Schiller\n */\n\nimport './svgpathseg.js';\nimport {NS} from './namespaces.js';\nimport {getTransformList} from './svgtransformlist.js';\nimport {shortFloat} from './units.js';\nimport {ChangeElementCommand, BatchCommand} from './history.js';\nimport {\n  transformPoint, getMatrix, snapToAngle, rectsIntersect,\n  transformListToTransform\n} from './math.js';\nimport {\n  assignAttributes, getElem, getRotationAngle, getBBox,\n  getRefElem, findDefs, snapToGrid,\n  getBBox as utilsGetBBox\n} from './utilities.js';\nimport {\n  supportsPathInsertItemBefore, supportsPathReplaceItem, isWebkit\n} from './browser.js';\n\nconst $ = jQuery;\n\nconst segData = {\n  2: ['x', 'y'], // PATHSEG_MOVETO_ABS\n  4: ['x', 'y'], // PATHSEG_LINETO_ABS\n  6: ['x', 'y', 'x1', 'y1', 'x2', 'y2'], // PATHSEG_CURVETO_CUBIC_ABS\n  8: ['x', 'y', 'x1', 'y1'], // PATHSEG_CURVETO_QUADRATIC_ABS\n  10: ['x', 'y', 'r1', 'r2', 'angle', 'largeArcFlag', 'sweepFlag'], // PATHSEG_ARC_ABS\n  12: ['x'], // PATHSEG_LINETO_HORIZONTAL_ABS\n  14: ['y'], // PATHSEG_LINETO_VERTICAL_ABS\n  16: ['x', 'y', 'x2', 'y2'], // PATHSEG_CURVETO_CUBIC_SMOOTH_ABS\n  18: ['x', 'y'] // PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS\n};\n\n/**\n * @tutorial LocaleDocs\n * @typedef {module:locale.LocaleStrings|PlainObject} module:path.uiStrings\n * @property {PlainObject.<string, string>} ui\n*/\n\nconst uiStrings = {};\n/**\n* @function module:path.setUiStrings\n* @param {module:path.uiStrings} strs\n* @returns {undefined}\n*/\nexport const setUiStrings = function (strs) {\n  Object.assign(uiStrings, strs.ui);\n};\n\nlet pathFuncs = [];\n\nlet linkControlPts = true;\n\n// Stores references to paths via IDs.\n// TODO: Make this cross-document happy.\nlet pathData = {};\n\n/**\n* @function module:path.setLinkControlPoints\n* @param {boolean} lcp\n* @returns {undefined}\n*/\nexport const setLinkControlPoints = function (lcp) {\n  linkControlPts = lcp;\n};\n\n/**\n * @name module:path.path\n * @type {null|module:path.Path}\n * @memberof module:path\n*/\nexport let path = null;\n\nlet editorContext_ = null;\n\n/**\n* @external MouseEvent\n*/\n\n/**\n* Object with the following keys/values\n* @typedef {PlainObject} module:path.SVGElementJSON\n* @property {string} element - Tag name of the SVG element to create\n* @property {PlainObject.<string, string>} attr - Has key-value attributes to assign to the new element\n* @property {boolean} [curStyles=false] - Indicates whether current style attributes should be applied first\n* @property {module:path.SVGElementJSON[]} [children] - Data objects to be added recursively as children\n* @property {string} [namespace=\"http://www.w3.org/2000/svg\"] - Indicate a (non-SVG) namespace\n*/\n/**\n * @interface module:path.EditorContext\n * @property {module:select.SelectorManager} selectorManager\n * @property {module:svgcanvas.SvgCanvas} canvas\n */\n/**\n * @function module:path.EditorContext#call\n * @param {\"selected\"|\"changed\"} ev - String with the event name\n * @param {module:svgcanvas.SvgCanvas#event:selected|module:svgcanvas.SvgCanvas#event:changed} arg - Argument to pass through to the callback function. If the event is \"changed\", an array of `Element`s is passed; if \"selected\", a single-item array of `Element` is passed.\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#resetD\n * @param {SVGPathElement} p\n * @returns {undefined}\n*/\n/**\n * Note: This doesn't round to an integer necessarily\n * @function module:path.EditorContext#round\n * @param {Float} val\n * @returns {Float} Rounded value to nearest value based on `currentZoom`\n */\n/**\n * @function module:path.EditorContext#clearSelection\n * @param {boolean} [noCall] - When `true`, does not call the \"selected\" handler\n * @returns {undefined}\n*/\n/**\n * @function module:path.EditorContext#addToSelection\n * @param {Element[]} elemsToAdd - An array of DOM elements to add to the selection\n * @param {boolean} showGrips - Indicates whether the resize grips should be shown\n * @returns {undefined}\n*/\n/**\n * @function module:path.EditorContext#addCommandToHistory\n * @param {Command} cmd\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#remapElement\n * @param {Element} selected - DOM element to be changed\n * @param {PlainObject.<string, string>} changes - Object with changes to be remapped\n * @param {SVGMatrix} m - Matrix object to use for remapping coordinates\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#addSVGElementFromJson\n * @param {module:path.SVGElementJSON} data\n * @returns {Element} The new element\n*/\n/**\n * @function module:path.EditorContext#getGridSnapping\n * @returns {boolean}\n */\n/**\n * @function module:path.EditorContext#getOpacity\n * @returns {Float}\n */\n/**\n * @function module:path.EditorContext#getSelectedElements\n * @returns {Element[]} the array with selected DOM elements\n*/\n/**\n * @function module:path.EditorContext#getContainer\n * @returns {Element}\n */\n/**\n * @function module:path.EditorContext#setStarted\n * @param {boolean} s\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#getRubberBox\n * @returns {SVGRectElement}\n*/\n/**\n * @function module:path.EditorContext#setRubberBox\n * @param {SVGRectElement} rb\n * @returns {SVGRectElement} Same as parameter passed in\n */\n/**\n * @function module:path.EditorContext#addPtsToSelection\n * @param {PlainObject} cfg\n * @param {boolean} cfg.closedSubpath\n * @param {SVGCircleElement[]} cfg.grips\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#endChanges\n * @param {PlainObject} cfg\n * @param {string} cfg.cmd\n * @param {Element} cfg.elem\n * @returns {undefined}\n*/\n/**\n * @function module:path.EditorContext#getCurrentZoom\n * @returns {Float} The current zoom level\n */\n/**\n * Returns the last created DOM element ID string\n * @function module:path.EditorContext#getId\n * @returns {string}\n */\n/**\n * Creates and returns a unique ID string for a DOM element\n * @function module:path.EditorContext#getNextId\n * @returns {string}\n*/\n/**\n * Gets the desired element from a mouse event\n * @function module:path.EditorContext#getMouseTarget\n * @param {external:MouseEvent} evt - Event object from the mouse event\n * @returns {Element} DOM element we want\n */\n/**\n * @function module:path.EditorContext#getCurrentMode\n * @returns {string}\n */\n/**\n * @function module:path.EditorContext#setCurrentMode\n * @param {string} cm The mode\n * @returns {string} The same mode as passed in\n*/\n/**\n * @function module:path.EditorContext#getDrawnPath\n * @returns {SVGPathElement|null}\n */\n/**\n * @function module:path.EditorContext#setDrawnPath\n * @param {SVGPathElement|null} dp\n * @returns {SVGPathElement|null} The same value as passed in\n */\n/**\n * @function module:path.EditorContext#getSVGRoot\n * @returns {SVGSVGElement}\n*/\n\n/**\n* @function module:path.init\n* @param {module:path.EditorContext} editorContext\n* @returns {undefined}\n*/\nexport const init = function (editorContext) {\n  editorContext_ = editorContext;\n\n  pathFuncs = [0, 'ClosePath'];\n  const pathFuncsStrs = ['Moveto', 'Lineto', 'CurvetoCubic', 'CurvetoQuadratic', 'Arc',\n    'LinetoHorizontal', 'LinetoVertical', 'CurvetoCubicSmooth', 'CurvetoQuadraticSmooth'];\n  $.each(pathFuncsStrs, function (i, s) {\n    pathFuncs.push(s + 'Abs');\n    pathFuncs.push(s + 'Rel');\n  });\n};\n\n/**\n* @function module:path.insertItemBefore\n* @param {Element} elem\n* @param {Segment} newseg\n* @param {Integer} index\n* @returns {undefined}\n*/\nexport const insertItemBefore = function (elem, newseg, index) {\n  // Support insertItemBefore on paths for FF2\n  const list = elem.pathSegList;\n\n  if (supportsPathInsertItemBefore()) {\n    list.insertItemBefore(newseg, index);\n    return;\n  }\n  const len = list.numberOfItems;\n  const arr = [];\n  for (let i = 0; i < len; i++) {\n    const curSeg = list.getItem(i);\n    arr.push(curSeg);\n  }\n  list.clear();\n  for (let i = 0; i < len; i++) {\n    if (i === index) { // index + 1\n      list.appendItem(newseg);\n    }\n    list.appendItem(arr[i]);\n  }\n};\n\n/**\n* @function module:path.ptObjToArr\n* @todo See if this should just live in `replacePathSeg`\n* @param {string} type\n* @param {SVGPathSegMovetoAbs|SVGPathSegLinetoAbs|SVGPathSegCurvetoCubicAbs|SVGPathSegCurvetoQuadraticAbs|SVGPathSegArcAbs|SVGPathSegLinetoHorizontalAbs|SVGPathSegLinetoVerticalAbs|SVGPathSegCurvetoCubicSmoothAbs|SVGPathSegCurvetoQuadraticSmoothAbs} segItem\n* @returns {ArgumentsArray}\n*/\nexport const ptObjToArr = function (type, segItem) {\n  const props = segData[type];\n  return props.map((prop) => {\n    return segItem[prop];\n  });\n};\n\n/**\n* @function module:path.getGripPt\n* @param {Segment} seg\n* @param {module:math.XYObject} altPt\n* @returns {module:math.XYObject}\n*/\nexport const getGripPt = function (seg, altPt) {\n  const {path} = seg;\n  let out = {\n    x: altPt ? altPt.x : seg.item.x,\n    y: altPt ? altPt.y : seg.item.y\n  };\n\n  if (path.matrix) {\n    const pt = transformPoint(out.x, out.y, path.matrix);\n    out = pt;\n  }\n\n  const currentZoom = editorContext_.getCurrentZoom();\n  out.x *= currentZoom;\n  out.y *= currentZoom;\n\n  return out;\n};\n\n/**\n* @function module:path.getPointFromGrip\n* @param {module:math.XYObject} pt\n* @param {module:path.Path} path\n* @returns {module:math.XYObject}\n*/\nexport const getPointFromGrip = function (pt, path) {\n  const out = {\n    x: pt.x,\n    y: pt.y\n  };\n\n  if (path.matrix) {\n    pt = transformPoint(out.x, out.y, path.imatrix);\n    out.x = pt.x;\n    out.y = pt.y;\n  }\n\n  const currentZoom = editorContext_.getCurrentZoom();\n  out.x /= currentZoom;\n  out.y /= currentZoom;\n\n  return out;\n};\n\n/**\n* Requires prior call to `setUiStrings` if `xlink:title`\n*    to be set on the grip\n* @function module:path.addPointGrip\n* @param {Integer} index\n* @param {Integer} x\n* @param {Integer} y\n* @returns {SVGCircleElement}\n*/\nexport const addPointGrip = function (index, x, y) {\n  // create the container of all the point grips\n  const pointGripContainer = getGripContainer();\n\n  let pointGrip = getElem('pathpointgrip_' + index);\n  // create it\n  if (!pointGrip) {\n    pointGrip = document.createElementNS(NS.SVG, 'circle');\n    const atts = {\n      id: 'pathpointgrip_' + index,\n      display: 'none',\n      r: 4,\n      fill: '#0FF',\n      stroke: '#00F',\n      'stroke-width': 2,\n      cursor: 'move',\n      style: 'pointer-events:all'\n    };\n    if ('pathNodeTooltip' in uiStrings) { // May be empty if running path.js without svg-editor\n      atts['xlink:title'] = uiStrings.pathNodeTooltip;\n    }\n    assignAttributes(pointGrip, atts);\n    pointGrip = pointGripContainer.appendChild(pointGrip);\n\n    const grip = $('#pathpointgrip_' + index);\n    grip.dblclick(function () {\n      if (path) {\n        path.setSegType();\n      }\n    });\n  }\n  if (x && y) {\n    // set up the point grip element and display it\n    assignAttributes(pointGrip, {\n      cx: x,\n      cy: y,\n      display: 'inline'\n    });\n  }\n  return pointGrip;\n};\n\n/**\n* @function module:path.getGripContainer\n* @returns {Element}\n*/\nexport const getGripContainer = function () {\n  let c = getElem('pathpointgrip_container');\n  if (!c) {\n    const parent = getElem('selectorParentGroup');\n    c = parent.appendChild(document.createElementNS(NS.SVG, 'g'));\n    c.id = 'pathpointgrip_container';\n  }\n  return c;\n};\n\n/**\n* Requires prior call to `setUiStrings` if `xlink:title`\n*    to be set on the grip\n* @function module:path.addCtrlGrip\n* @param {string} id\n* @returns {SVGCircleElement}\n*/\nexport const addCtrlGrip = function (id) {\n  let pointGrip = getElem('ctrlpointgrip_' + id);\n  if (pointGrip) { return pointGrip; }\n\n  pointGrip = document.createElementNS(NS.SVG, 'circle');\n  const atts = {\n    id: 'ctrlpointgrip_' + id,\n    display: 'none',\n    r: 4,\n    fill: '#0FF',\n    stroke: '#55F',\n    'stroke-width': 1,\n    cursor: 'move',\n    style: 'pointer-events:all'\n  };\n  if ('pathCtrlPtTooltip' in uiStrings) { // May be empty if running path.js without svg-editor\n    atts['xlink:title'] = uiStrings.pathCtrlPtTooltip;\n  }\n  assignAttributes(pointGrip, atts);\n  getGripContainer().append(pointGrip);\n  return pointGrip;\n};\n\n/**\n* @function module:path.getCtrlLine\n* @param {string} id\n* @returns {SVGLineElement}\n*/\nexport const getCtrlLine = function (id) {\n  let ctrlLine = getElem('ctrlLine_' + id);\n  if (ctrlLine) { return ctrlLine; }\n\n  ctrlLine = document.createElementNS(NS.SVG, 'line');\n  assignAttributes(ctrlLine, {\n    id: 'ctrlLine_' + id,\n    stroke: '#555',\n    'stroke-width': 1,\n    style: 'pointer-events:none'\n  });\n  getGripContainer().append(ctrlLine);\n  return ctrlLine;\n};\n\n/**\n* @function module:path.getPointGrip\n* @param {Segment} seg\n* @param {boolean} update\n* @returns {SVGCircleElement}\n*/\nexport const getPointGrip = function (seg, update) {\n  const {index} = seg;\n  const pointGrip = addPointGrip(index);\n\n  if (update) {\n    const pt = getGripPt(seg);\n    assignAttributes(pointGrip, {\n      cx: pt.x,\n      cy: pt.y,\n      display: 'inline'\n    });\n  }\n\n  return pointGrip;\n};\n\n/**\n* @function module:path.getControlPoints\n* @param {Segment} seg\n* @returns {PlainObject.<string, SVGLineElement|SVGCircleElement>}\n*/\nexport const getControlPoints = function (seg) {\n  const {item, index} = seg;\n  if (!('x1' in item) || !('x2' in item)) { return null; }\n  const cpt = {};\n  /* const pointGripContainer = */ getGripContainer();\n\n  // Note that this is intentionally not seg.prev.item\n  const prev = path.segs[index - 1].item;\n\n  const segItems = [prev, item];\n\n  for (let i = 1; i < 3; i++) {\n    const id = index + 'c' + i;\n\n    const ctrlLine = cpt['c' + i + '_line'] = getCtrlLine(id);\n\n    const pt = getGripPt(seg, {x: item['x' + i], y: item['y' + i]});\n    const gpt = getGripPt(seg, {x: segItems[i - 1].x, y: segItems[i - 1].y});\n\n    assignAttributes(ctrlLine, {\n      x1: pt.x,\n      y1: pt.y,\n      x2: gpt.x,\n      y2: gpt.y,\n      display: 'inline'\n    });\n\n    cpt['c' + i + '_line'] = ctrlLine;\n\n    // create it\n    const pointGrip = cpt['c' + i] = addCtrlGrip(id);\n\n    assignAttributes(pointGrip, {\n      cx: pt.x,\n      cy: pt.y,\n      display: 'inline'\n    });\n    cpt['c' + i] = pointGrip;\n  }\n  return cpt;\n};\n\n/**\n* This replaces the segment at the given index. Type is given as number.\n* @function module:path.replacePathSeg\n* @param {Integer} type Possible values set during {@link module:path.init}\n* @param {Integer} index\n* @param {ArgumentsArray} pts\n* @param {SVGPathElement} elem\n*/\nexport const replacePathSeg = function (type, index, pts, elem) {\n  const pth = elem || path.elem;\n\n  const func = 'createSVGPathSeg' + pathFuncs[type];\n  const seg = pth[func].apply(pth, pts);\n\n  if (supportsPathReplaceItem()) {\n    pth.pathSegList.replaceItem(seg, index);\n  } else {\n    const segList = pth.pathSegList;\n    const len = segList.numberOfItems;\n    const arr = [];\n    for (let i = 0; i < len; i++) {\n      const curSeg = segList.getItem(i);\n      arr.push(curSeg);\n    }\n    segList.clear();\n    for (let i = 0; i < len; i++) {\n      if (i === index) {\n        segList.appendItem(seg);\n      } else {\n        segList.appendItem(arr[i]);\n      }\n    }\n  }\n};\n\n/**\n* @function module:path.getSegSelector\n* @param {Segment} seg\n* @param {boolean} update\n* @returns {SVGPathElement}\n*/\nexport const getSegSelector = function (seg, update) {\n  const {index} = seg;\n  let segLine = getElem('segline_' + index);\n  if (!segLine) {\n    const pointGripContainer = getGripContainer();\n    // create segline\n    segLine = document.createElementNS(NS.SVG, 'path');\n    assignAttributes(segLine, {\n      id: 'segline_' + index,\n      display: 'none',\n      fill: 'none',\n      stroke: '#0FF',\n      'stroke-width': 2,\n      style: 'pointer-events:none',\n      d: 'M0,0 0,0'\n    });\n    pointGripContainer.append(segLine);\n  }\n\n  if (update) {\n    const {prev} = seg;\n    if (!prev) {\n      segLine.setAttribute('display', 'none');\n      return segLine;\n    }\n\n    const pt = getGripPt(prev);\n    // Set start point\n    replacePathSeg(2, 0, [pt.x, pt.y], segLine);\n\n    const pts = ptObjToArr(seg.type, seg.item); // , true);\n    for (let i = 0; i < pts.length; i += 2) {\n      const pt = getGripPt(seg, {x: pts[i], y: pts[i + 1]});\n      pts[i] = pt.x;\n      pts[i + 1] = pt.y;\n    }\n\n    replacePathSeg(seg.type, 1, pts, segLine);\n  }\n  return segLine;\n};\n\n/**\n * @typedef {PlainObject} Point\n * @property {Integer} x The x value\n * @property {Integer} y The y value\n */\n\n/**\n* Takes three points and creates a smoother line based on them\n* @function module:path.smoothControlPoints\n* @param {Point} ct1 - Object with x and y values (first control point)\n* @param {Point} ct2 - Object with x and y values (second control point)\n* @param {Point} pt - Object with x and y values (third point)\n* @returns {Point[]} Array of two \"smoothed\" point objects\n*/\nexport const smoothControlPoints = function (ct1, ct2, pt) {\n  // each point must not be the origin\n  const x1 = ct1.x - pt.x,\n    y1 = ct1.y - pt.y,\n    x2 = ct2.x - pt.x,\n    y2 = ct2.y - pt.y;\n\n  if ((x1 !== 0 || y1 !== 0) && (x2 !== 0 || y2 !== 0)) {\n    const\n      r1 = Math.sqrt(x1 * x1 + y1 * y1),\n      r2 = Math.sqrt(x2 * x2 + y2 * y2),\n      nct1 = editorContext_.getSVGRoot().createSVGPoint(),\n      nct2 = editorContext_.getSVGRoot().createSVGPoint();\n    let anglea = Math.atan2(y1, x1),\n      angleb = Math.atan2(y2, x2);\n    if (anglea < 0) { anglea += 2 * Math.PI; }\n    if (angleb < 0) { angleb += 2 * Math.PI; }\n\n    const angleBetween = Math.abs(anglea - angleb),\n      angleDiff = Math.abs(Math.PI - angleBetween) / 2;\n\n    let newAnglea, newAngleb;\n    if (anglea - angleb > 0) {\n      newAnglea = angleBetween < Math.PI ? (anglea + angleDiff) : (anglea - angleDiff);\n      newAngleb = angleBetween < Math.PI ? (angleb - angleDiff) : (angleb + angleDiff);\n    } else {\n      newAnglea = angleBetween < Math.PI ? (anglea - angleDiff) : (anglea + angleDiff);\n      newAngleb = angleBetween < Math.PI ? (angleb + angleDiff) : (angleb - angleDiff);\n    }\n\n    // rotate the points\n    nct1.x = r1 * Math.cos(newAnglea) + pt.x;\n    nct1.y = r1 * Math.sin(newAnglea) + pt.y;\n    nct2.x = r2 * Math.cos(newAngleb) + pt.x;\n    nct2.y = r2 * Math.sin(newAngleb) + pt.y;\n\n    return [nct1, nct2];\n  }\n  return undefined;\n};\n\n/**\n*\n*/\nexport class Segment {\n  /**\n  * @param {Integer} index\n  * @param {SVGPathSeg} item\n  * @todo Is `item` be more constrained here?\n  */\n  constructor (index, item) {\n    this.selected = false;\n    this.index = index;\n    this.item = item;\n    this.type = item.pathSegType;\n\n    this.ctrlpts = [];\n    this.ptgrip = null;\n    this.segsel = null;\n  }\n\n  /**\n   * @param {boolean} y\n   * @returns {undefined}\n   */\n  showCtrlPts (y) {\n    for (const i in this.ctrlpts) {\n      if (this.ctrlpts.hasOwnProperty(i)) {\n        this.ctrlpts[i].setAttribute('display', y ? 'inline' : 'none');\n      }\n    }\n  }\n\n  /**\n   * @param {boolean} y\n   * @returns {undefined}\n   */\n  selectCtrls (y) {\n    $('#ctrlpointgrip_' + this.index + 'c1, #ctrlpointgrip_' + this.index + 'c2')\n      .attr('fill', y ? '#0FF' : '#EEE');\n  }\n\n  /**\n   * @param {boolean} y\n   * @returns {undefined}\n   */\n  show (y) {\n    if (this.ptgrip) {\n      this.ptgrip.setAttribute('display', y ? 'inline' : 'none');\n      this.segsel.setAttribute('display', y ? 'inline' : 'none');\n      // Show/hide all control points if available\n      this.showCtrlPts(y);\n    }\n  }\n\n  /**\n   * @param {boolean} y\n   * @returns {undefined}\n   */\n  select (y) {\n    if (this.ptgrip) {\n      this.ptgrip.setAttribute('stroke', y ? '#0FF' : '#00F');\n      this.segsel.setAttribute('display', y ? 'inline' : 'none');\n      if (this.ctrlpts) {\n        this.selectCtrls(y);\n      }\n      this.selected = y;\n    }\n  }\n\n  /**\n   * @returns {undefined}\n   */\n  addGrip () {\n    this.ptgrip = getPointGrip(this, true);\n    this.ctrlpts = getControlPoints(this); // , true);\n    this.segsel = getSegSelector(this, true);\n  }\n\n  /**\n   * @param {boolean} full\n   * @returns {undefined}\n   */\n  update (full) {\n    if (this.ptgrip) {\n      const pt = getGripPt(this);\n      assignAttributes(this.ptgrip, {\n        cx: pt.x,\n        cy: pt.y\n      });\n\n      getSegSelector(this, true);\n\n      if (this.ctrlpts) {\n        if (full) {\n          this.item = path.elem.pathSegList.getItem(this.index);\n          this.type = this.item.pathSegType;\n        }\n        getControlPoints(this);\n      }\n      // this.segsel.setAttribute('display', y ? 'inline' : 'none');\n    }\n  }\n\n  /**\n   * @param {Integer} dx\n   * @param {Integer} dy\n   * @returns {undefined}\n   */\n  move (dx, dy) {\n    const {item} = this;\n\n    const curPts = this.ctrlpts\n      ? [item.x += dx, item.y += dy,\n        item.x1, item.y1, item.x2 += dx, item.y2 += dy\n      ]\n      : [item.x += dx, item.y += dy];\n\n    replacePathSeg(this.type, this.index, curPts);\n\n    if (this.next && this.next.ctrlpts) {\n      const next = this.next.item;\n      const nextPts = [next.x, next.y,\n        next.x1 += dx, next.y1 += dy, next.x2, next.y2];\n      replacePathSeg(this.next.type, this.next.index, nextPts);\n    }\n\n    if (this.mate) {\n      // The last point of a closed subpath has a 'mate',\n      // which is the 'M' segment of the subpath\n      const {item} = this.mate;\n      const pts = [item.x += dx, item.y += dy];\n      replacePathSeg(this.mate.type, this.mate.index, pts);\n      // Has no grip, so does not need 'updating'?\n    }\n\n    this.update(true);\n    if (this.next) { this.next.update(true); }\n  }\n\n  /**\n   * @param {Integer} num\n   * @returns {undefined}\n   */\n  setLinked (num) {\n    let seg, anum, pt;\n    if (num === 2) {\n      anum = 1;\n      seg = this.next;\n      if (!seg) { return; }\n      pt = this.item;\n    } else {\n      anum = 2;\n      seg = this.prev;\n      if (!seg) { return; }\n      pt = seg.item;\n    }\n\n    const {item} = seg;\n    item['x' + anum] = pt.x + (pt.x - this.item['x' + num]);\n    item['y' + anum] = pt.y + (pt.y - this.item['y' + num]);\n\n    const pts = [item.x, item.y,\n      item.x1, item.y1,\n      item.x2, item.y2];\n\n    replacePathSeg(seg.type, seg.index, pts);\n    seg.update(true);\n  }\n\n  /**\n   * @param {Integer} num\n   * @param {Integer} dx\n   * @param {Integer} dy\n   * @returns {undefined}\n   */\n  moveCtrl (num, dx, dy) {\n    const {item} = this;\n    item['x' + num] += dx;\n    item['y' + num] += dy;\n\n    const pts = [item.x, item.y,\n      item.x1, item.y1, item.x2, item.y2];\n\n    replacePathSeg(this.type, this.index, pts);\n    this.update(true);\n  }\n\n  /**\n   * @param {Integer} newType Possible values set during {@link module:path.init}\n   * @param {ArgumentsArray} pts\n   */\n  setType (newType, pts) {\n    replacePathSeg(newType, this.index, pts);\n    this.type = newType;\n    this.item = path.elem.pathSegList.getItem(this.index);\n    this.showCtrlPts(newType === 6);\n    this.ctrlpts = getControlPoints(this);\n    this.update(true);\n  }\n}\n\n/**\n*\n*/\nexport class Path {\n  /**\n  * @param {SVGPathElement}\n  * @throws {Error} If constructed without a path element\n  */\n  constructor (elem) {\n    if (!elem || elem.tagName !== 'path') {\n      throw new Error('svgedit.path.Path constructed without a <path> element');\n    }\n\n    this.elem = elem;\n    this.segs = [];\n    this.selected_pts = [];\n    path = this;\n\n    this.init();\n  }\n\n  /**\n  * Reset path data\n  * @returns {module:path.Path}\n  */\n  init () {\n    // Hide all grips, etc\n\n    // fixed, needed to work on all found elements, not just first\n    $(getGripContainer()).find('*').each(function () {\n      $(this).attr('display', 'none');\n    });\n\n    const segList = this.elem.pathSegList;\n    const len = segList.numberOfItems;\n    this.segs = [];\n    this.selected_pts = [];\n    this.first_seg = null;\n\n    // Set up segs array\n    for (let i = 0; i < len; i++) {\n      const item = segList.getItem(i);\n      const segment = new Segment(i, item);\n      segment.path = this;\n      this.segs.push(segment);\n    }\n\n    const {segs} = this;\n\n    let startI = null;\n    for (let i = 0; i < len; i++) {\n      const seg = segs[i];\n      const nextSeg = (i + 1) >= len ? null : segs[i + 1];\n      const prevSeg = (i - 1) < 0 ? null : segs[i - 1];\n      if (seg.type === 2) {\n        if (prevSeg && prevSeg.type !== 1) {\n          // New sub-path, last one is open,\n          // so add a grip to last sub-path's first point\n          const startSeg = segs[startI];\n          startSeg.next = segs[startI + 1];\n          startSeg.next.prev = startSeg;\n          startSeg.addGrip();\n        }\n        // Remember that this is a starter seg\n        startI = i;\n      } else if (nextSeg && nextSeg.type === 1) {\n        // This is the last real segment of a closed sub-path\n        // Next is first seg after \"M\"\n        seg.next = segs[startI + 1];\n\n        // First seg after \"M\"'s prev is this\n        seg.next.prev = seg;\n        seg.mate = segs[startI];\n        seg.addGrip();\n        if (this.first_seg == null) {\n          this.first_seg = seg;\n        }\n      } else if (!nextSeg) {\n        if (seg.type !== 1) {\n          // Last seg, doesn't close so add a grip\n          // to last sub-path's first point\n          const startSeg = segs[startI];\n          startSeg.next = segs[startI + 1];\n          startSeg.next.prev = startSeg;\n          startSeg.addGrip();\n          seg.addGrip();\n\n          if (!this.first_seg) {\n            // Open path, so set first as real first and add grip\n            this.first_seg = segs[startI];\n          }\n        }\n      } else if (seg.type !== 1) {\n        // Regular segment, so add grip and its \"next\"\n        seg.addGrip();\n\n        // Don't set its \"next\" if it's an \"M\"\n        if (nextSeg && nextSeg.type !== 2) {\n          seg.next = nextSeg;\n          seg.next.prev = seg;\n        }\n      }\n    }\n    return this;\n  }\n\n  /**\n  * @callback module:path.PathEachSegCallback\n  * @this module:path.Segment\n  * @param {Integer} i The index of the seg being iterated\n  * @returns {boolean} Will stop execution of `eachSeg` if returns `false`\n  */\n  /**\n  * @param {module:path.PathEachSegCallback} fn\n  * @returns {undefined}\n  */\n  eachSeg (fn) {\n    const len = this.segs.length;\n    for (let i = 0; i < len; i++) {\n      const ret = fn.call(this.segs[i], i);\n      if (ret === false) { break; }\n    }\n  }\n\n  /**\n  * @param {Integer} index\n  * @returns {undefined}\n  */\n  addSeg (index) {\n    // Adds a new segment\n    const seg = this.segs[index];\n    if (!seg.prev) { return; }\n\n    const {prev} = seg;\n    let newseg, newX, newY;\n    switch (seg.item.pathSegType) {\n    case 4: {\n      newX = (seg.item.x + prev.item.x) / 2;\n      newY = (seg.item.y + prev.item.y) / 2;\n      newseg = this.elem.createSVGPathSegLinetoAbs(newX, newY);\n      break;\n    } case 6: { // make it a curved segment to preserve the shape (WRS)\n      // https://en.wikipedia.org/wiki/De_Casteljau%27s_algorithm#Geometric_interpretation\n      const p0x = (prev.item.x + seg.item.x1) / 2;\n      const p1x = (seg.item.x1 + seg.item.x2) / 2;\n      const p2x = (seg.item.x2 + seg.item.x) / 2;\n      const p01x = (p0x + p1x) / 2;\n      const p12x = (p1x + p2x) / 2;\n      newX = (p01x + p12x) / 2;\n      const p0y = (prev.item.y + seg.item.y1) / 2;\n      const p1y = (seg.item.y1 + seg.item.y2) / 2;\n      const p2y = (seg.item.y2 + seg.item.y) / 2;\n      const p01y = (p0y + p1y) / 2;\n      const p12y = (p1y + p2y) / 2;\n      newY = (p01y + p12y) / 2;\n      newseg = this.elem.createSVGPathSegCurvetoCubicAbs(newX, newY, p0x, p0y, p01x, p01y);\n      const pts = [seg.item.x, seg.item.y, p12x, p12y, p2x, p2y];\n      replacePathSeg(seg.type, index, pts);\n      break;\n    }\n    }\n\n    insertItemBefore(this.elem, newseg, index);\n  }\n\n  /**\n  * @param {Integer} index\n  * @returns {undefined}\n  */\n  deleteSeg (index) {\n    const seg = this.segs[index];\n    const list = this.elem.pathSegList;\n\n    seg.show(false);\n    const {next} = seg;\n    if (seg.mate) {\n      // Make the next point be the \"M\" point\n      const pt = [next.item.x, next.item.y];\n      replacePathSeg(2, next.index, pt);\n\n      // Reposition last node\n      replacePathSeg(4, seg.index, pt);\n\n      list.removeItem(seg.mate.index);\n    } else if (!seg.prev) {\n      // First node of open path, make next point the M\n      // const {item} = seg;\n      const pt = [next.item.x, next.item.y];\n      replacePathSeg(2, seg.next.index, pt);\n      list.removeItem(index);\n    } else {\n      list.removeItem(index);\n    }\n  }\n\n  /**\n  * @param {Integer} index\n  * @returns {boolean}\n  */\n  subpathIsClosed (index) {\n    let closed = false;\n    // Check if subpath is already open\n    path.eachSeg(function (i) {\n      if (i <= index) { return true; }\n      if (this.type === 2) {\n        // Found M first, so open\n        return false;\n      }\n      if (this.type === 1) {\n        // Found Z first, so closed\n        closed = true;\n        return false;\n      }\n    });\n\n    return closed;\n  }\n\n  /**\n  * @param {Integer} index\n  * @returns {undefined}\n  */\n  removePtFromSelection (index) {\n    const pos = this.selected_pts.indexOf(index);\n    if (pos === -1) {\n      return;\n    }\n    this.segs[index].select(false);\n    this.selected_pts.splice(pos, 1);\n  }\n\n  /**\n  * @returns {undefined}\n  */\n  clearSelection () {\n    this.eachSeg(function () {\n      // 'this' is the segment here\n      this.select(false);\n    });\n    this.selected_pts = [];\n  }\n\n  /**\n  * @returns {undefined}\n  */\n  storeD () {\n    this.last_d = this.elem.getAttribute('d');\n  }\n\n  /**\n  * @param {Integer} y\n  * @returns {undefined}\n  */\n  show (y) {\n    // Shows this path's segment grips\n    this.eachSeg(function () {\n      // 'this' is the segment here\n      this.show(y);\n    });\n    if (y) {\n      this.selectPt(this.first_seg.index);\n    }\n    return this;\n  }\n\n  /**\n  * Move selected points\n  * @param {Integer} dx\n  * @param {Integer} dy\n  * @returns {undefined}\n  */\n  movePts (dx, dy) {\n    let i = this.selected_pts.length;\n    while (i--) {\n      const seg = this.segs[this.selected_pts[i]];\n      seg.move(dx, dy);\n    }\n  }\n\n  /**\n  * @param {Integer} dx\n  * @param {Integer} dy\n  * @returns {undefined}\n  */\n  moveCtrl (dx, dy) {\n    const seg = this.segs[this.selected_pts[0]];\n    seg.moveCtrl(this.dragctrl, dx, dy);\n    if (linkControlPts) {\n      seg.setLinked(this.dragctrl);\n    }\n  }\n\n  /**\n  * @param {?Integer} newType See {@link https://www.w3.org/TR/SVG/single-page.html#paths-InterfaceSVGPathSeg}\n  * @returns {undefined}\n  */\n  setSegType (newType) {\n    this.storeD();\n    let i = this.selected_pts.length;\n    let text;\n    while (i--) {\n      const selPt = this.selected_pts[i];\n\n      // Selected seg\n      const cur = this.segs[selPt];\n      const {prev} = cur;\n      if (!prev) { continue; }\n\n      if (!newType) { // double-click, so just toggle\n        text = 'Toggle Path Segment Type';\n\n        // Toggle segment to curve/straight line\n        const oldType = cur.type;\n\n        newType = (oldType === 6) ? 4 : 6;\n      }\n\n      newType = Number(newType);\n\n      const curX = cur.item.x;\n      const curY = cur.item.y;\n      const prevX = prev.item.x;\n      const prevY = prev.item.y;\n      let points;\n      switch (newType) {\n      case 6: {\n        if (cur.olditem) {\n          const old = cur.olditem;\n          points = [curX, curY, old.x1, old.y1, old.x2, old.y2];\n        } else {\n          const diffX = curX - prevX;\n          const diffY = curY - prevY;\n          // get control points from straight line segment\n          /*\n          const ct1x = (prevX + (diffY/2));\n          const ct1y = (prevY - (diffX/2));\n          const ct2x = (curX + (diffY/2));\n          const ct2y = (curY - (diffX/2));\n          */\n          // create control points on the line to preserve the shape (WRS)\n          const ct1x = (prevX + (diffX / 3));\n          const ct1y = (prevY + (diffY / 3));\n          const ct2x = (curX - (diffX / 3));\n          const ct2y = (curY - (diffY / 3));\n          points = [curX, curY, ct1x, ct1y, ct2x, ct2y];\n        }\n        break;\n      } case 4: {\n        points = [curX, curY];\n\n        // Store original prevve segment nums\n        cur.olditem = cur.item;\n        break;\n      }\n      }\n\n      cur.setType(newType, points);\n    }\n    path.endChanges(text);\n  }\n\n  /**\n  * @param {Integer} pt\n  * @param {Integer} ctrlNum\n  * @returns {undefined}\n  */\n  selectPt (pt, ctrlNum) {\n    this.clearSelection();\n    if (pt == null) {\n      this.eachSeg(function (i) {\n        // 'this' is the segment here.\n        if (this.prev) {\n          pt = i;\n        }\n      });\n    }\n    this.addPtsToSelection(pt);\n    if (ctrlNum) {\n      this.dragctrl = ctrlNum;\n\n      if (linkControlPts) {\n        this.segs[pt].setLinked(ctrlNum);\n      }\n    }\n  }\n\n  /**\n  * Update position of all points\n  * @returns {Path}\n  */\n  update () {\n    const {elem} = this;\n    if (getRotationAngle(elem)) {\n      this.matrix = getMatrix(elem);\n      this.imatrix = this.matrix.inverse();\n    } else {\n      this.matrix = null;\n      this.imatrix = null;\n    }\n\n    this.eachSeg(function (i) {\n      this.item = elem.pathSegList.getItem(i);\n      this.update();\n    });\n\n    return this;\n  }\n\n  /**\n  * @param {string} text\n  * @returns {undefined}\n  */\n  endChanges (text) {\n    if (isWebkit()) { editorContext_.resetD(this.elem); }\n    const cmd = new ChangeElementCommand(this.elem, {d: this.last_d}, text);\n    editorContext_.endChanges({cmd, elem: this.elem});\n  }\n\n  /**\n  * @param {Integer|Integer[]} indexes\n  * @returns {undefined}\n  */\n  addPtsToSelection (indexes) {\n    if (!Array.isArray(indexes)) { indexes = [indexes]; }\n    for (let i = 0; i < indexes.length; i++) {\n      const index = indexes[i];\n      const seg = this.segs[index];\n      if (seg.ptgrip) {\n        if (!this.selected_pts.includes(index) && index >= 0) {\n          this.selected_pts.push(index);\n        }\n      }\n    }\n    this.selected_pts.sort();\n    let i = this.selected_pts.length;\n    const grips = [];\n    grips.length = i;\n    // Loop through points to be selected and highlight each\n    while (i--) {\n      const pt = this.selected_pts[i];\n      const seg = this.segs[pt];\n      seg.select(true);\n      grips[i] = seg.ptgrip;\n    }\n\n    const closedSubpath = this.subpathIsClosed(this.selected_pts[0]);\n    editorContext_.addPtsToSelection({grips, closedSubpath});\n  }\n}\n\n/**\n* @function module:path.getPath_\n* @param {SVGPathElement} elem\n* @returns {module:path.Path}\n*/\nexport const getPath_ = function (elem) {\n  let p = pathData[elem.id];\n  if (!p) {\n    p = pathData[elem.id] = new Path(elem);\n  }\n  return p;\n};\n\n/**\n* @function module:path.removePath_\n* @param {string} id\n* @returns {undefined}\n*/\nexport const removePath_ = function (id) {\n  if (id in pathData) { delete pathData[id]; }\n};\n\nlet newcx, newcy, oldcx, oldcy, angle;\n\nconst getRotVals = function (x, y) {\n  let dx = x - oldcx;\n  let dy = y - oldcy;\n\n  // rotate the point around the old center\n  let r = Math.sqrt(dx * dx + dy * dy);\n  let theta = Math.atan2(dy, dx) + angle;\n  dx = r * Math.cos(theta) + oldcx;\n  dy = r * Math.sin(theta) + oldcy;\n\n  // dx,dy should now hold the actual coordinates of each\n  // point after being rotated\n\n  // now we want to rotate them around the new center in the reverse direction\n  dx -= newcx;\n  dy -= newcy;\n\n  r = Math.sqrt(dx * dx + dy * dy);\n  theta = Math.atan2(dy, dx) - angle;\n\n  return {x: r * Math.cos(theta) + newcx,\n    y: r * Math.sin(theta) + newcy};\n};\n\n// If the path was rotated, we must now pay the piper:\n// Every path point must be rotated into the rotated coordinate system of\n// its old center, then determine the new center, then rotate it back\n// This is because we want the path to remember its rotation\n\n/**\n* @function module:path.recalcRotatedPath\n* @todo This is still using ye olde transform methods, can probably\n* be optimized or even taken care of by `recalculateDimensions`\n* @returns {undefined}\n*/\nexport const recalcRotatedPath = function () {\n  const currentPath = path.elem;\n  angle = getRotationAngle(currentPath, true);\n  if (!angle) { return; }\n  // selectedBBoxes[0] = path.oldbbox;\n  const oldbox = path.oldbbox; // selectedBBoxes[0],\n  oldcx = oldbox.x + oldbox.width / 2;\n  oldcy = oldbox.y + oldbox.height / 2;\n  const box = getBBox(currentPath);\n  newcx = box.x + box.width / 2;\n  newcy = box.y + box.height / 2;\n\n  // un-rotate the new center to the proper position\n  const dx = newcx - oldcx,\n    dy = newcy - oldcy,\n    r = Math.sqrt(dx * dx + dy * dy),\n    theta = Math.atan2(dy, dx) + angle;\n\n  newcx = r * Math.cos(theta) + oldcx;\n  newcy = r * Math.sin(theta) + oldcy;\n\n  const list = currentPath.pathSegList;\n\n  let i = list.numberOfItems;\n  while (i) {\n    i -= 1;\n    const seg = list.getItem(i),\n      type = seg.pathSegType;\n    if (type === 1) { continue; }\n\n    const rvals = getRotVals(seg.x, seg.y),\n      points = [rvals.x, rvals.y];\n    if (seg.x1 != null && seg.x2 != null) {\n      const cVals1 = getRotVals(seg.x1, seg.y1);\n      const cVals2 = getRotVals(seg.x2, seg.y2);\n      points.splice(points.length, 0, cVals1.x, cVals1.y, cVals2.x, cVals2.y);\n    }\n    replacePathSeg(type, i, points);\n  } // loop for each point\n\n  /* box = */ getBBox(currentPath);\n  // selectedBBoxes[0].x = box.x; selectedBBoxes[0].y = box.y;\n  // selectedBBoxes[0].width = box.width; selectedBBoxes[0].height = box.height;\n\n  // now we must set the new transform to be rotated around the new center\n  const Rnc = editorContext_.getSVGRoot().createSVGTransform(),\n    tlist = getTransformList(currentPath);\n  Rnc.setRotate((angle * 180.0 / Math.PI), newcx, newcy);\n  tlist.replaceItem(Rnc, 0);\n};\n\n// ====================================\n// Public API starts here\n\n/**\n* @function module:path.clearData\n* @returns {undefined}\n*/\nexport const clearData = function () {\n  pathData = {};\n};\n\n// Making public for mocking\n/**\n* @function module:path.reorientGrads\n* @param {Element} elem\n* @param {SVGMatrix} m\n* @returns {undefined}\n*/\nexport const reorientGrads = function (elem, m) {\n  const bb = utilsGetBBox(elem);\n  for (let i = 0; i < 2; i++) {\n    const type = i === 0 ? 'fill' : 'stroke';\n    const attrVal = elem.getAttribute(type);\n    if (attrVal && attrVal.startsWith('url(')) {\n      const grad = getRefElem(attrVal);\n      if (grad.tagName === 'linearGradient') {\n        let x1 = grad.getAttribute('x1') || 0;\n        let y1 = grad.getAttribute('y1') || 0;\n        let x2 = grad.getAttribute('x2') || 1;\n        let y2 = grad.getAttribute('y2') || 0;\n\n        // Convert to USOU points\n        x1 = (bb.width * x1) + bb.x;\n        y1 = (bb.height * y1) + bb.y;\n        x2 = (bb.width * x2) + bb.x;\n        y2 = (bb.height * y2) + bb.y;\n\n        // Transform those points\n        const pt1 = transformPoint(x1, y1, m);\n        const pt2 = transformPoint(x2, y2, m);\n\n        // Convert back to BB points\n        const gCoords = {};\n\n        gCoords.x1 = (pt1.x - bb.x) / bb.width;\n        gCoords.y1 = (pt1.y - bb.y) / bb.height;\n        gCoords.x2 = (pt2.x - bb.x) / bb.width;\n        gCoords.y2 = (pt2.y - bb.y) / bb.height;\n\n        const newgrad = grad.cloneNode(true);\n        $(newgrad).attr(gCoords);\n\n        newgrad.id = editorContext_.getNextId();\n        findDefs().append(newgrad);\n        elem.setAttribute(type, 'url(#' + newgrad.id + ')');\n      }\n    }\n  }\n};\n\n/**\n* This is how we map paths to our preferred relative segment types\n* @name module:path.pathMap\n* @type {GenericArray}\n*/\nconst pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a',\n  'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];\n\n/**\n * Convert a path to one with only absolute or relative values\n * @todo move to pathActions.js\n * @function module:path.convertPath\n * @param {SVGPathElement} path - the path to convert\n * @param {boolean} toRel - true of convert to relative\n * @returns {string}\n */\nexport const convertPath = function (path, toRel) {\n  const segList = path.pathSegList;\n  const len = segList.numberOfItems;\n  let curx = 0, cury = 0;\n  let d = '';\n  let lastM = null;\n\n  for (let i = 0; i < len; ++i) {\n    const seg = segList.getItem(i);\n    // if these properties are not in the segment, set them to zero\n    let x = seg.x || 0,\n      y = seg.y || 0,\n      x1 = seg.x1 || 0,\n      y1 = seg.y1 || 0,\n      x2 = seg.x2 || 0,\n      y2 = seg.y2 || 0;\n\n    const type = seg.pathSegType;\n    let letter = pathMap[type]['to' + (toRel ? 'Lower' : 'Upper') + 'Case']();\n\n    switch (type) {\n    case 1: // z,Z closepath (Z/z)\n      d += 'z';\n      if (lastM && !toRel) {\n        curx = lastM[0];\n        cury = lastM[1];\n      }\n      break;\n    case 12: // absolute horizontal line (H)\n      x -= curx;\n      // Fallthrough\n    case 13: // relative horizontal line (h)\n      if (toRel) {\n        curx += x;\n        letter = 'l';\n      } else {\n        x += curx;\n        curx = x;\n        letter = 'L';\n      }\n      // Convert to \"line\" for easier editing\n      d += pathDSegment(letter, [[x, cury]]);\n      break;\n    case 14: // absolute vertical line (V)\n      y -= cury;\n      // Fallthrough\n    case 15: // relative vertical line (v)\n      if (toRel) {\n        cury += y;\n        letter = 'l';\n      } else {\n        y += cury;\n        cury = y;\n        letter = 'L';\n      }\n      // Convert to \"line\" for easier editing\n      d += pathDSegment(letter, [[curx, y]]);\n      break;\n    case 2: // absolute move (M)\n    case 4: // absolute line (L)\n    case 18: // absolute smooth quad (T)\n      x -= curx;\n      y -= cury;\n      // Fallthrough\n    case 5: // relative line (l)\n    case 3: // relative move (m)\n    case 19: // relative smooth quad (t)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx;\n        y += cury;\n        curx = x;\n        cury = y;\n      }\n      if (type === 2 || type === 3) { lastM = [curx, cury]; }\n\n      d += pathDSegment(letter, [[x, y]]);\n      break;\n    case 6: // absolute cubic (C)\n      x -= curx; x1 -= curx; x2 -= curx;\n      y -= cury; y1 -= cury; y2 -= cury;\n      // Fallthrough\n    case 7: // relative cubic (c)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx; x1 += curx; x2 += curx;\n        y += cury; y1 += cury; y2 += cury;\n        curx = x;\n        cury = y;\n      }\n      d += pathDSegment(letter, [[x1, y1], [x2, y2], [x, y]]);\n      break;\n    case 8: // absolute quad (Q)\n      x -= curx; x1 -= curx;\n      y -= cury; y1 -= cury;\n      // Fallthrough\n    case 9: // relative quad (q)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx; x1 += curx;\n        y += cury; y1 += cury;\n        curx = x;\n        cury = y;\n      }\n      d += pathDSegment(letter, [[x1, y1], [x, y]]);\n      break;\n    case 10: // absolute elliptical arc (A)\n      x -= curx;\n      y -= cury;\n      // Fallthrough\n    case 11: // relative elliptical arc (a)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx;\n        y += cury;\n        curx = x;\n        cury = y;\n      }\n      d += pathDSegment(letter, [[seg.r1, seg.r2]], [\n        seg.angle,\n        (seg.largeArcFlag ? 1 : 0),\n        (seg.sweepFlag ? 1 : 0)\n      ], [x, y]);\n      break;\n    case 16: // absolute smooth cubic (S)\n      x -= curx; x2 -= curx;\n      y -= cury; y2 -= cury;\n      // Fallthrough\n    case 17: // relative smooth cubic (s)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx; x2 += curx;\n        y += cury; y2 += cury;\n        curx = x;\n        cury = y;\n      }\n      d += pathDSegment(letter, [[x2, y2], [x, y]]);\n      break;\n    } // switch on path segment type\n  } // for each segment\n  return d;\n};\n\n/**\n * TODO: refactor callers in convertPath to use getPathDFromSegments instead of this function.\n * Legacy code refactored from svgcanvas.pathActions.convertPath\n * @param {string} letter - path segment command (letter in potentially either case from {@link module:path.pathMap}; see [SVGPathSeg#pathSegTypeAsLetter]{@link https://www.w3.org/TR/SVG/single-page.html#paths-__svg__SVGPathSeg__pathSegTypeAsLetter})\n * @param {Integer[][]} points - x,y points\n * @param {Integer[][]} [morePoints] - x,y points\n * @param {Integer[]} [lastPoint] - x,y point\n * @returns {string}\n */\nfunction pathDSegment (letter, points, morePoints, lastPoint) {\n  $.each(points, function (i, pnt) {\n    points[i] = shortFloat(pnt);\n  });\n  let segment = letter + points.join(' ');\n  if (morePoints) {\n    segment += ' ' + morePoints.join(' ');\n  }\n  if (lastPoint) {\n    segment += ' ' + shortFloat(lastPoint);\n  }\n  return segment;\n}\n\n/**\n* Group: Path edit functions\n* Functions relating to editing path elements\n* @namespace {PlainObject} pathActions\n* @memberof module:path\n*/\nexport const pathActions = (function () {\n  let subpath = false;\n  let newPoint, firstCtrl;\n\n  let currentPath = null;\n  let hasMoved = false;\n  // No `editorContext_` yet but should be ok as is `null` by default\n  // editorContext_.setDrawnPath(null);\n\n  /**\n  * This function converts a polyline (created by the fh_path tool) into\n  * a path element and coverts every three line segments into a single bezier\n  * curve in an attempt to smooth out the free-hand\n  * @function smoothPolylineIntoPath\n  * @param {Element} element\n  * @returns {Element}\n  */\n  const smoothPolylineIntoPath = function (element) {\n    let i;\n    const {points} = element;\n    const N = points.numberOfItems;\n    if (N >= 4) {\n      // loop through every 3 points and convert to a cubic bezier curve segment\n      //\n      // NOTE: this is cheating, it means that every 3 points has the potential to\n      // be a corner instead of treating each point in an equal manner. In general,\n      // this technique does not look that good.\n      //\n      // I am open to better ideas!\n      //\n      // Reading:\n      // - http://www.efg2.com/Lab/Graphics/Jean-YvesQueinecBezierCurves.htm\n      // - https://www.codeproject.com/KB/graphics/BezierSpline.aspx?msg=2956963\n      // - https://www.ian-ko.com/ET_GeoWizards/UserGuide/smooth.htm\n      // - https://www.cs.mtu.edu/~shene/COURSES/cs3621/NOTES/spline/Bezier/bezier-der.html\n      let curpos = points.getItem(0), prevCtlPt = null;\n      let d = [];\n      d.push(['M', curpos.x, ',', curpos.y, ' C'].join(''));\n      for (i = 1; i <= (N - 4); i += 3) {\n        let ct1 = points.getItem(i);\n        const ct2 = points.getItem(i + 1);\n        const end = points.getItem(i + 2);\n\n        // if the previous segment had a control point, we want to smooth out\n        // the control points on both sides\n        if (prevCtlPt) {\n          const newpts = smoothControlPoints(prevCtlPt, ct1, curpos);\n          if (newpts && newpts.length === 2) {\n            const prevArr = d[d.length - 1].split(',');\n            prevArr[2] = newpts[0].x;\n            prevArr[3] = newpts[0].y;\n            d[d.length - 1] = prevArr.join(',');\n            ct1 = newpts[1];\n          }\n        }\n\n        d.push([ct1.x, ct1.y, ct2.x, ct2.y, end.x, end.y].join(','));\n\n        curpos = end;\n        prevCtlPt = ct2;\n      }\n      // handle remaining line segments\n      d.push('L');\n      while (i < N) {\n        const pt = points.getItem(i);\n        d.push([pt.x, pt.y].join(','));\n        i++;\n      }\n      d = d.join(' ');\n\n      // create new path element\n      element = editorContext_.addSVGElementFromJson({\n        element: 'path',\n        curStyles: true,\n        attr: {\n          id: editorContext_.getId(),\n          d,\n          fill: 'none'\n        }\n      });\n      // No need to call \"changed\", as this is already done under mouseUp\n    }\n    return element;\n  };\n\n  return (/** @lends module:path.pathActions */ {\n    /**\n    * @param {MouseEvent} evt\n    * @param {Element} mouseTarget\n    * @param {Float} startX\n    * @param {Float} startY\n    * @returns {undefined}\n    */\n    mouseDown (evt, mouseTarget, startX, startY) {\n      let id;\n      if (editorContext_.getCurrentMode() === 'path') {\n        let mouseX = startX; // Was this meant to work with the other `mouseX`? (was defined globally so adding `let` to at least avoid a global)\n        let mouseY = startY; // Was this meant to work with the other `mouseY`? (was defined globally so adding `let` to at least avoid a global)\n\n        const currentZoom = editorContext_.getCurrentZoom();\n        let x = mouseX / currentZoom,\n          y = mouseY / currentZoom,\n          stretchy = getElem('path_stretch_line');\n        newPoint = [x, y];\n\n        if (editorContext_.getGridSnapping()) {\n          x = snapToGrid(x);\n          y = snapToGrid(y);\n          mouseX = snapToGrid(mouseX);\n          mouseY = snapToGrid(mouseY);\n        }\n\n        if (!stretchy) {\n          stretchy = document.createElementNS(NS.SVG, 'path');\n          assignAttributes(stretchy, {\n            id: 'path_stretch_line',\n            stroke: '#22C',\n            'stroke-width': '0.5',\n            fill: 'none'\n          });\n          stretchy = getElem('selectorParentGroup').appendChild(stretchy);\n        }\n        stretchy.setAttribute('display', 'inline');\n\n        let keep = null;\n        let index;\n        // if pts array is empty, create path element with M at current point\n        const drawnPath = editorContext_.getDrawnPath();\n        if (!drawnPath) {\n          const dAttr = 'M' + x + ',' + y + ' '; // Was this meant to work with the other `dAttr`? (was defined globally so adding `var` to at least avoid a global)\n          /* drawnPath = */ editorContext_.setDrawnPath(editorContext_.addSVGElementFromJson({\n            element: 'path',\n            curStyles: true,\n            attr: {\n              d: dAttr,\n              id: editorContext_.getNextId(),\n              opacity: editorContext_.getOpacity() / 2\n            }\n          }));\n          // set stretchy line to first point\n          stretchy.setAttribute('d', ['M', mouseX, mouseY, mouseX, mouseY].join(' '));\n          index = subpath ? path.segs.length : 0;\n          addPointGrip(index, mouseX, mouseY);\n        } else {\n          // determine if we clicked on an existing point\n          const seglist = drawnPath.pathSegList;\n          let i = seglist.numberOfItems;\n          const FUZZ = 6 / currentZoom;\n          let clickOnPoint = false;\n          while (i) {\n            i--;\n            const item = seglist.getItem(i);\n            const px = item.x, py = item.y;\n            // found a matching point\n            if (x >= (px - FUZZ) && x <= (px + FUZZ) &&\n              y >= (py - FUZZ) && y <= (py + FUZZ)\n            ) {\n              clickOnPoint = true;\n              break;\n            }\n          }\n\n          // get path element that we are in the process of creating\n          id = editorContext_.getId();\n\n          // Remove previous path object if previously created\n          removePath_(id);\n\n          const newpath = getElem(id);\n          let newseg;\n          let sSeg;\n          const len = seglist.numberOfItems;\n          // if we clicked on an existing point, then we are done this path, commit it\n          // (i, i+1) are the x,y that were clicked on\n          if (clickOnPoint) {\n            // if clicked on any other point but the first OR\n            // the first point was clicked on and there are less than 3 points\n            // then leave the path open\n            // otherwise, close the path\n            if (i <= 1 && len >= 2) {\n              // Create end segment\n              const absX = seglist.getItem(0).x;\n              const absY = seglist.getItem(0).y;\n\n              sSeg = stretchy.pathSegList.getItem(1);\n              if (sSeg.pathSegType === 4) {\n                newseg = drawnPath.createSVGPathSegLinetoAbs(absX, absY);\n              } else {\n                newseg = drawnPath.createSVGPathSegCurvetoCubicAbs(\n                  absX,\n                  absY,\n                  sSeg.x1 / currentZoom,\n                  sSeg.y1 / currentZoom,\n                  absX,\n                  absY\n                );\n              }\n\n              const endseg = drawnPath.createSVGPathSegClosePath();\n              seglist.appendItem(newseg);\n              seglist.appendItem(endseg);\n            } else if (len < 3) {\n              keep = false;\n              return keep;\n            }\n            $(stretchy).remove();\n\n            // This will signal to commit the path\n            // const element = newpath; // Other event handlers define own `element`, so this was probably not meant to interact with them or one which shares state (as there were none); I therefore adding a missing `var` to avoid a global\n            /* drawnPath = */ editorContext_.setDrawnPath(null);\n            editorContext_.setStarted(false);\n\n            if (subpath) {\n              if (path.matrix) {\n                editorContext_.remapElement(newpath, {}, path.matrix.inverse());\n              }\n\n              const newD = newpath.getAttribute('d');\n              const origD = $(path.elem).attr('d');\n              $(path.elem).attr('d', origD + newD);\n              $(newpath).remove();\n              if (path.matrix) {\n                recalcRotatedPath();\n              }\n              init();\n              pathActions.toEditMode(path.elem);\n              path.selectPt();\n              return false;\n            }\n          // else, create a new point, update path element\n          } else {\n            // Checks if current target or parents are #svgcontent\n            if (!$.contains(\n              editorContext_.getContainer(),\n              editorContext_.getMouseTarget(evt)\n            )) {\n              // Clicked outside canvas, so don't make point\n              console.log('Clicked outside canvas');\n              return false;\n            }\n\n            const num = drawnPath.pathSegList.numberOfItems;\n            const last = drawnPath.pathSegList.getItem(num - 1);\n            const lastx = last.x, lasty = last.y;\n\n            if (evt.shiftKey) {\n              const xya = snapToAngle(lastx, lasty, x, y);\n              ({x, y} = xya);\n            }\n\n            // Use the segment defined by stretchy\n            sSeg = stretchy.pathSegList.getItem(1);\n            if (sSeg.pathSegType === 4) {\n              newseg = drawnPath.createSVGPathSegLinetoAbs(\n                editorContext_.round(x),\n                editorContext_.round(y)\n              );\n            } else {\n              newseg = drawnPath.createSVGPathSegCurvetoCubicAbs(\n                editorContext_.round(x),\n                editorContext_.round(y),\n                sSeg.x1 / currentZoom,\n                sSeg.y1 / currentZoom,\n                sSeg.x2 / currentZoom,\n                sSeg.y2 / currentZoom\n              );\n            }\n\n            drawnPath.pathSegList.appendItem(newseg);\n\n            x *= currentZoom;\n            y *= currentZoom;\n\n            // set stretchy line to latest point\n            stretchy.setAttribute('d', ['M', x, y, x, y].join(' '));\n            index = num;\n            if (subpath) { index += path.segs.length; }\n            addPointGrip(index, x, y);\n          }\n          // keep = true;\n        }\n\n        return;\n      }\n\n      // TODO: Make sure currentPath isn't null at this point\n      if (!path) { return; }\n\n      path.storeD();\n\n      ({id} = evt.target);\n      let curPt;\n      if (id.substr(0, 14) === 'pathpointgrip_') {\n        // Select this point\n        curPt = path.cur_pt = parseInt(id.substr(14), 10);\n        path.dragging = [startX, startY];\n        const seg = path.segs[curPt];\n\n        // only clear selection if shift is not pressed (otherwise, add\n        // node to selection)\n        if (!evt.shiftKey) {\n          if (path.selected_pts.length <= 1 || !seg.selected) {\n            path.clearSelection();\n          }\n          path.addPtsToSelection(curPt);\n        } else if (seg.selected) {\n          path.removePtFromSelection(curPt);\n        } else {\n          path.addPtsToSelection(curPt);\n        }\n      } else if (id.startsWith('ctrlpointgrip_')) {\n        path.dragging = [startX, startY];\n\n        const parts = id.split('_')[1].split('c');\n        curPt = Number(parts[0]);\n        const ctrlNum = Number(parts[1]);\n        path.selectPt(curPt, ctrlNum);\n      }\n\n      // Start selection box\n      if (!path.dragging) {\n        let rubberBox = editorContext_.getRubberBox();\n        if (rubberBox == null) {\n          rubberBox = editorContext_.setRubberBox(\n            editorContext_.selectorManager.getRubberBandBox()\n          );\n        }\n        const currentZoom = editorContext_.getCurrentZoom();\n        assignAttributes(rubberBox, {\n          x: startX * currentZoom,\n          y: startY * currentZoom,\n          width: 0,\n          height: 0,\n          display: 'inline'\n        }, 100);\n      }\n    },\n    /**\n    * @param {Float} mouseX\n    * @param {Float} mouseY\n    * @returns {undefined}\n    */\n    mouseMove (mouseX, mouseY) {\n      const currentZoom = editorContext_.getCurrentZoom();\n      hasMoved = true;\n      const drawnPath = editorContext_.getDrawnPath();\n      if (editorContext_.getCurrentMode() === 'path') {\n        if (!drawnPath) { return; }\n        const seglist = drawnPath.pathSegList;\n        const index = seglist.numberOfItems - 1;\n\n        if (newPoint) {\n          // First point\n          // if (!index) { return; }\n\n          // Set control points\n          const pointGrip1 = addCtrlGrip('1c1');\n          const pointGrip2 = addCtrlGrip('0c2');\n\n          // dragging pointGrip1\n          pointGrip1.setAttribute('cx', mouseX);\n          pointGrip1.setAttribute('cy', mouseY);\n          pointGrip1.setAttribute('display', 'inline');\n\n          const ptX = newPoint[0];\n          const ptY = newPoint[1];\n\n          // set curve\n          // const seg = seglist.getItem(index);\n          const curX = mouseX / currentZoom;\n          const curY = mouseY / currentZoom;\n          const altX = (ptX + (ptX - curX));\n          const altY = (ptY + (ptY - curY));\n\n          pointGrip2.setAttribute('cx', altX * currentZoom);\n          pointGrip2.setAttribute('cy', altY * currentZoom);\n          pointGrip2.setAttribute('display', 'inline');\n\n          const ctrlLine = getCtrlLine(1);\n          assignAttributes(ctrlLine, {\n            x1: mouseX,\n            y1: mouseY,\n            x2: altX * currentZoom,\n            y2: altY * currentZoom,\n            display: 'inline'\n          });\n\n          if (index === 0) {\n            firstCtrl = [mouseX, mouseY];\n          } else {\n            const last = seglist.getItem(index - 1);\n            let lastX = last.x;\n            let lastY = last.y;\n\n            if (last.pathSegType === 6) {\n              lastX += (lastX - last.x2);\n              lastY += (lastY - last.y2);\n            } else if (firstCtrl) {\n              lastX = firstCtrl[0] / currentZoom;\n              lastY = firstCtrl[1] / currentZoom;\n            }\n            replacePathSeg(6, index, [ptX, ptY, lastX, lastY, altX, altY], drawnPath);\n          }\n        } else {\n          const stretchy = getElem('path_stretch_line');\n          if (stretchy) {\n            const prev = seglist.getItem(index);\n            if (prev.pathSegType === 6) {\n              const prevX = prev.x + (prev.x - prev.x2);\n              const prevY = prev.y + (prev.y - prev.y2);\n              replacePathSeg(6, 1, [mouseX, mouseY, prevX * currentZoom, prevY * currentZoom, mouseX, mouseY], stretchy);\n            } else if (firstCtrl) {\n              replacePathSeg(6, 1, [mouseX, mouseY, firstCtrl[0], firstCtrl[1], mouseX, mouseY], stretchy);\n            } else {\n              replacePathSeg(4, 1, [mouseX, mouseY], stretchy);\n            }\n          }\n        }\n        return;\n      }\n      // if we are dragging a point, let's move it\n      if (path.dragging) {\n        const pt = getPointFromGrip({\n          x: path.dragging[0],\n          y: path.dragging[1]\n        }, path);\n        const mpt = getPointFromGrip({\n          x: mouseX,\n          y: mouseY\n        }, path);\n        const diffX = mpt.x - pt.x;\n        const diffY = mpt.y - pt.y;\n        path.dragging = [mouseX, mouseY];\n\n        if (path.dragctrl) {\n          path.moveCtrl(diffX, diffY);\n        } else {\n          path.movePts(diffX, diffY);\n        }\n      } else {\n        path.selected_pts = [];\n        path.eachSeg(function (i) {\n          const seg = this;\n          if (!seg.next && !seg.prev) { return; }\n\n          // const {item} = seg;\n          const rubberBox = editorContext_.getRubberBox();\n          const rbb = rubberBox.getBBox();\n\n          const pt = getGripPt(seg);\n          const ptBb = {\n            x: pt.x,\n            y: pt.y,\n            width: 0,\n            height: 0\n          };\n\n          const sel = rectsIntersect(rbb, ptBb);\n\n          this.select(sel);\n          // Note that addPtsToSelection is not being run\n          if (sel) { path.selected_pts.push(seg.index); }\n        });\n      }\n    },\n    /**\n    * @param {Event} evt\n    * @param {Element} element\n    * @param {Float} mouseX\n    * @param {Float} mouseY\n    * @returns {undefined}\n    */\n    mouseUp (evt, element, mouseX, mouseY) {\n      const drawnPath = editorContext_.getDrawnPath();\n      // Create mode\n      if (editorContext_.getCurrentMode() === 'path') {\n        newPoint = null;\n        if (!drawnPath) {\n          element = getElem(editorContext_.getId());\n          editorContext_.setStarted(false);\n          firstCtrl = null;\n        }\n\n        return {\n          keep: true,\n          element\n        };\n      }\n\n      // Edit mode\n      const rubberBox = editorContext_.getRubberBox();\n      if (path.dragging) {\n        const lastPt = path.cur_pt;\n\n        path.dragging = false;\n        path.dragctrl = false;\n        path.update();\n\n        if (hasMoved) {\n          path.endChanges('Move path point(s)');\n        }\n\n        if (!evt.shiftKey && !hasMoved) {\n          path.selectPt(lastPt);\n        }\n      } else if (rubberBox && rubberBox.getAttribute('display') !== 'none') {\n        // Done with multi-node-select\n        rubberBox.setAttribute('display', 'none');\n\n        if (rubberBox.getAttribute('width') <= 2 && rubberBox.getAttribute('height') <= 2) {\n          pathActions.toSelectMode(evt.target);\n        }\n\n      // else, move back to select mode\n      } else {\n        pathActions.toSelectMode(evt.target);\n      }\n      hasMoved = false;\n    },\n    /**\n    * @param {Element} element\n    * @returns {undefined}\n    */\n    toEditMode (element) {\n      path = getPath_(element);\n      editorContext_.setCurrentMode('pathedit');\n      editorContext_.clearSelection();\n      path.show(true).update();\n      path.oldbbox = utilsGetBBox(path.elem);\n      subpath = false;\n    },\n    /**\n    * @param {Element} element\n    * @fires module:svgcanvas.SvgCanvas#event:selected\n    * @returns {undefined}\n    */\n    toSelectMode (elem) {\n      const selPath = (elem === path.elem);\n      editorContext_.setCurrentMode('select');\n      path.show(false);\n      currentPath = false;\n      editorContext_.clearSelection();\n\n      if (path.matrix) {\n        // Rotated, so may need to re-calculate the center\n        recalcRotatedPath();\n      }\n\n      if (selPath) {\n        editorContext_.call('selected', [elem]);\n        editorContext_.addToSelection([elem], true);\n      }\n    },\n    /**\n    * @param {boolean} on\n    * @returns {undefined}\n    */\n    addSubPath (on) {\n      if (on) {\n        // Internally we go into \"path\" mode, but in the UI it will\n        // still appear as if in \"pathedit\" mode.\n        editorContext_.setCurrentMode('path');\n        subpath = true;\n      } else {\n        pathActions.clear(true);\n        pathActions.toEditMode(path.elem);\n      }\n    },\n    /**\n    * @param {Element} target\n    * @returns {undefined}\n    */\n    select (target) {\n      if (currentPath === target) {\n        pathActions.toEditMode(target);\n        editorContext_.setCurrentMode('pathedit');\n      // going into pathedit mode\n      } else {\n        currentPath = target;\n      }\n    },\n    /**\n    * @fires module:svgcanvas.SvgCanvas#event:changed\n    * @returns {undefined}\n    */\n    reorient () {\n      const elem = editorContext_.getSelectedElements()[0];\n      if (!elem) { return; }\n      const angle = getRotationAngle(elem);\n      if (angle === 0) { return; }\n\n      const batchCmd = new BatchCommand('Reorient path');\n      const changes = {\n        d: elem.getAttribute('d'),\n        transform: elem.getAttribute('transform')\n      };\n      batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));\n      editorContext_.clearSelection();\n      this.resetOrientation(elem);\n\n      editorContext_.addCommandToHistory(batchCmd);\n\n      // Set matrix to null\n      getPath_(elem).show(false).matrix = null;\n\n      this.clear();\n\n      editorContext_.addToSelection([elem], true);\n      editorContext_.call('changed', editorContext_.getSelectedElements());\n    },\n\n    /**\n    * @param {boolean} remove Not in use\n    * @returns {undefined}\n    */\n    clear (remove) {\n      const drawnPath = editorContext_.getDrawnPath();\n      currentPath = null;\n      if (drawnPath) {\n        const elem = getElem(editorContext_.getId());\n        $(getElem('path_stretch_line')).remove();\n        $(elem).remove();\n        $(getElem('pathpointgrip_container')).find('*').attr('display', 'none');\n        firstCtrl = null;\n        editorContext_.setDrawnPath(null);\n        editorContext_.setStarted(false);\n      } else if (editorContext_.getCurrentMode() === 'pathedit') {\n        this.toSelectMode();\n      }\n      if (path) { path.init().show(false); }\n    },\n    /**\n    * @param {?(Element|SVGPathElement)} pth\n    * @returns {false|undefined}\n    */\n    resetOrientation (pth) {\n      if (pth == null || pth.nodeName !== 'path') { return false; }\n      const tlist = getTransformList(pth);\n      const m = transformListToTransform(tlist).matrix;\n      tlist.clear();\n      pth.removeAttribute('transform');\n      const segList = pth.pathSegList;\n\n      // Opera/win/non-EN throws an error here.\n      // TODO: Find out why!\n      // Presumed fixed in Opera 10.5, so commented out for now\n\n      // try {\n      const len = segList.numberOfItems;\n      // } catch(err) {\n      //   const fixed_d = pathActions.convertPath(pth);\n      //   pth.setAttribute('d', fixed_d);\n      //   segList = pth.pathSegList;\n      //   const len = segList.numberOfItems;\n      // }\n      // let lastX, lastY;\n      for (let i = 0; i < len; ++i) {\n        const seg = segList.getItem(i);\n        const type = seg.pathSegType;\n        if (type === 1) { continue; }\n        const pts = [];\n        $.each(['', 1, 2], function (j, n) {\n          const x = seg['x' + n], y = seg['y' + n];\n          if (x !== undefined && y !== undefined) {\n            const pt = transformPoint(x, y, m);\n            pts.splice(pts.length, 0, pt.x, pt.y);\n          }\n        });\n        replacePathSeg(type, i, pts, pth);\n      }\n\n      reorientGrads(pth, m);\n    },\n    /**\n    * @returns {undefined}\n    */\n    zoomChange () {\n      if (editorContext_.getCurrentMode() === 'pathedit') {\n        path.update();\n      }\n    },\n    /**\n    * @typedef {PlainObject} module:path.NodePoint\n    * @property {Float} x\n    * @property {Float} y\n    * @property {Integer} type\n    */\n    /**\n    * @returns {module:path.NodePoint}\n    */\n    getNodePoint () {\n      const selPt = path.selected_pts.length ? path.selected_pts[0] : 1;\n\n      const seg = path.segs[selPt];\n      return {\n        x: seg.item.x,\n        y: seg.item.y,\n        type: seg.type\n      };\n    },\n    /**\n    * @param {boolean} linkPoints\n    * @returns {undefined}\n    */\n    linkControlPoints (linkPoints) {\n      setLinkControlPoints(linkPoints);\n    },\n    /**\n    * @returns {undefined}\n    */\n    clonePathNode () {\n      path.storeD();\n\n      const selPts = path.selected_pts;\n      // const {segs} = path;\n\n      let i = selPts.length;\n      const nums = [];\n\n      while (i--) {\n        const pt = selPts[i];\n        path.addSeg(pt);\n\n        nums.push(pt + i);\n        nums.push(pt + i + 1);\n      }\n      path.init().addPtsToSelection(nums);\n\n      path.endChanges('Clone path node(s)');\n    },\n    /**\n    * @returns {undefined}\n    */\n    opencloseSubPath () {\n      const selPts = path.selected_pts;\n      // Only allow one selected node for now\n      if (selPts.length !== 1) { return; }\n\n      const {elem} = path;\n      const list = elem.pathSegList;\n\n      // const len = list.numberOfItems;\n\n      const index = selPts[0];\n\n      let openPt = null;\n      let startItem = null;\n\n      // Check if subpath is already open\n      path.eachSeg(function (i) {\n        if (this.type === 2 && i <= index) {\n          startItem = this.item;\n        }\n        if (i <= index) { return true; }\n        if (this.type === 2) {\n          // Found M first, so open\n          openPt = i;\n          return false;\n        }\n        if (this.type === 1) {\n          // Found Z first, so closed\n          openPt = false;\n          return false;\n        }\n      });\n\n      if (openPt == null) {\n        // Single path, so close last seg\n        openPt = path.segs.length - 1;\n      }\n\n      if (openPt !== false) {\n        // Close this path\n\n        // Create a line going to the previous \"M\"\n        const newseg = elem.createSVGPathSegLinetoAbs(startItem.x, startItem.y);\n\n        const closer = elem.createSVGPathSegClosePath();\n        if (openPt === path.segs.length - 1) {\n          list.appendItem(newseg);\n          list.appendItem(closer);\n        } else {\n          insertItemBefore(elem, closer, openPt);\n          insertItemBefore(elem, newseg, openPt);\n        }\n\n        path.init().selectPt(openPt + 1);\n        return;\n      }\n\n      // M 1,1 L 2,2 L 3,3 L 1,1 z // open at 2,2\n      // M 2,2 L 3,3 L 1,1\n\n      // M 1,1 L 2,2 L 1,1 z M 4,4 L 5,5 L6,6 L 5,5 z\n      // M 1,1 L 2,2 L 1,1 z [M 4,4] L 5,5 L(M)6,6 L 5,5 z\n\n      const seg = path.segs[index];\n\n      if (seg.mate) {\n        list.removeItem(index); // Removes last \"L\"\n        list.removeItem(index); // Removes the \"Z\"\n        path.init().selectPt(index - 1);\n        return;\n      }\n\n      let lastM, zSeg;\n\n      // Find this sub-path's closing point and remove\n      for (let i = 0; i < list.numberOfItems; i++) {\n        const item = list.getItem(i);\n\n        if (item.pathSegType === 2) {\n          // Find the preceding M\n          lastM = i;\n        } else if (i === index) {\n          // Remove it\n          list.removeItem(lastM);\n          // index--;\n        } else if (item.pathSegType === 1 && index < i) {\n          // Remove the closing seg of this subpath\n          zSeg = i - 1;\n          list.removeItem(i);\n          break;\n        }\n      }\n\n      let num = (index - lastM) - 1;\n\n      while (num--) {\n        insertItemBefore(elem, list.getItem(lastM), zSeg);\n      }\n\n      const pt = list.getItem(lastM);\n\n      // Make this point the new \"M\"\n      replacePathSeg(2, lastM, [pt.x, pt.y]);\n\n      // i = index; // i is local here, so has no effect; what was the intent for this?\n\n      path.init().selectPt(0);\n    },\n    /**\n    * @returns {undefined}\n    */\n    deletePathNode () {\n      if (!pathActions.canDeleteNodes) { return; }\n      path.storeD();\n\n      const selPts = path.selected_pts;\n\n      let i = selPts.length;\n      while (i--) {\n        const pt = selPts[i];\n        path.deleteSeg(pt);\n      }\n\n      // Cleanup\n      const cleanup = function () {\n        const segList = path.elem.pathSegList;\n        let len = segList.numberOfItems;\n\n        const remItems = function (pos, count) {\n          while (count--) {\n            segList.removeItem(pos);\n          }\n        };\n\n        if (len <= 1) { return true; }\n\n        while (len--) {\n          const item = segList.getItem(len);\n          if (item.pathSegType === 1) {\n            const prev = segList.getItem(len - 1);\n            const nprev = segList.getItem(len - 2);\n            if (prev.pathSegType === 2) {\n              remItems(len - 1, 2);\n              cleanup();\n              break;\n            } else if (nprev.pathSegType === 2) {\n              remItems(len - 2, 3);\n              cleanup();\n              break;\n            }\n          } else if (item.pathSegType === 2) {\n            if (len > 0) {\n              const prevType = segList.getItem(len - 1).pathSegType;\n              // Path has M M\n              if (prevType === 2) {\n                remItems(len - 1, 1);\n                cleanup();\n                break;\n              // Entire path ends with Z M\n              } else if (prevType === 1 && segList.numberOfItems - 1 === len) {\n                remItems(len, 1);\n                cleanup();\n                break;\n              }\n            }\n          }\n        }\n        return false;\n      };\n\n      cleanup();\n\n      // Completely delete a path with 1 or 0 segments\n      if (path.elem.pathSegList.numberOfItems <= 1) {\n        pathActions.toSelectMode(path.elem);\n        editorContext_.canvas.deleteSelectedElements();\n        return;\n      }\n\n      path.init();\n      path.clearSelection();\n\n      // TODO: Find right way to select point now\n      // path.selectPt(selPt);\n      if (window.opera) { // Opera repaints incorrectly\n        const cp = $(path.elem);\n        cp.attr('d', cp.attr('d'));\n      }\n      path.endChanges('Delete path node(s)');\n    },\n    // Can't seem to use `@borrows` here, so using `@see`\n    /**\n    * Smooth polyline into path\n    * @function module:path.pathActions.smoothPolylineIntoPath\n    * @see module:path~smoothPolylineIntoPath\n    */\n    smoothPolylineIntoPath,\n    /**\n    * @returns {undefined}\n    */\n    setSegType (v) {\n      path.setSegType(v);\n    },\n    /**\n    * @param {string} attr\n    * @param {Float} newValue\n    * @returns {undefined}\n    */\n    moveNode (attr, newValue) {\n      const selPts = path.selected_pts;\n      if (!selPts.length) { return; }\n\n      path.storeD();\n\n      // Get first selected point\n      const seg = path.segs[selPts[0]];\n      const diff = {x: 0, y: 0};\n      diff[attr] = newValue - seg.item[attr];\n\n      seg.move(diff.x, diff.y);\n      path.endChanges('Move path point');\n    },\n    /**\n    * @param {Element} elem\n    * @returns {undefined}\n    */\n    fixEnd (elem) {\n      // Adds an extra segment if the last seg before a Z doesn't end\n      // at its M point\n      // M0,0 L0,100 L100,100 z\n      const segList = elem.pathSegList;\n      const len = segList.numberOfItems;\n      let lastM;\n      for (let i = 0; i < len; ++i) {\n        const item = segList.getItem(i);\n        if (item.pathSegType === 2) {\n          lastM = item;\n        }\n\n        if (item.pathSegType === 1) {\n          const prev = segList.getItem(i - 1);\n          if (prev.x !== lastM.x || prev.y !== lastM.y) {\n            // Add an L segment here\n            const newseg = elem.createSVGPathSegLinetoAbs(lastM.x, lastM.y);\n            insertItemBefore(elem, newseg, i);\n            // Can this be done better?\n            pathActions.fixEnd(elem);\n            break;\n          }\n        }\n      }\n      if (isWebkit()) { editorContext_.resetD(elem); }\n    },\n    // Can't seem to use `@borrows` here, so using `@see`\n    /**\n    * Convert a path to one with only absolute or relative values\n    * @function module:path.pathActions.convertPath\n    * @see module:path.convertPath\n    */\n    convertPath\n  });\n})();\n// end pathActions\n","/**\n * Mathematical utilities\n * @module math\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\n/**\n* @typedef {PlainObject} module:math.AngleCoord45\n* @property {Float} x - The angle-snapped x value\n* @property {Float} y - The angle-snapped y value\n* @property {Integer} a - The angle at which to snap\n*/\n\n/**\n* @typedef {PlainObject} module:math.XYObject\n* @property {Float} x\n* @property {Float} y\n*/\n\nimport {NS} from './namespaces.js';\nimport {getTransformList} from './svgtransformlist.js';\n\n// Constants\nconst NEAR_ZERO = 1e-14;\n\n// Throw away SVGSVGElement used for creating matrices/transforms.\nconst svg = document.createElementNS(NS.SVG, 'svg');\n\n/**\n * A (hopefully) quicker function to transform a point by a matrix\n * (this function avoids any DOM calls and just does the math)\n * @function module:math.transformPoint\n * @param {Float} x - Float representing the x coordinate\n * @param {Float} y - Float representing the y coordinate\n * @param {SVGMatrix} m - Matrix object to transform the point with\n * @returns {module:math.XYObject} An x, y object representing the transformed point\n*/\nexport const transformPoint = function (x, y, m) {\n  return {x: m.a * x + m.c * y + m.e, y: m.b * x + m.d * y + m.f};\n};\n\n/**\n * Helper function to check if the matrix performs no actual transform\n * (i.e. exists for identity purposes)\n * @function module:math.isIdentity\n * @param {SVGMatrix} m - The matrix object to check\n * @returns {boolean} Indicates whether or not the matrix is 1,0,0,1,0,0\n*/\nexport const isIdentity = function (m) {\n  return (m.a === 1 && m.b === 0 && m.c === 0 && m.d === 1 && m.e === 0 && m.f === 0);\n};\n\n/**\n * This function tries to return a `SVGMatrix` that is the multiplication `m1 * m2`.\n * We also round to zero when it's near zero\n * @function module:math.matrixMultiply\n * @param {...SVGMatrix} args - Matrix objects to multiply\n * @returns {SVGMatrix} The matrix object resulting from the calculation\n*/\nexport const matrixMultiply = function (...args) {\n  const m = args.reduceRight((prev, m1) => {\n    return m1.multiply(prev);\n  });\n\n  if (Math.abs(m.a) < NEAR_ZERO) { m.a = 0; }\n  if (Math.abs(m.b) < NEAR_ZERO) { m.b = 0; }\n  if (Math.abs(m.c) < NEAR_ZERO) { m.c = 0; }\n  if (Math.abs(m.d) < NEAR_ZERO) { m.d = 0; }\n  if (Math.abs(m.e) < NEAR_ZERO) { m.e = 0; }\n  if (Math.abs(m.f) < NEAR_ZERO) { m.f = 0; }\n\n  return m;\n};\n\n/**\n * See if the given transformlist includes a non-indentity matrix transform\n * @function module:math.hasMatrixTransform\n * @param {SVGTransformList} [tlist] - The transformlist to check\n * @returns {boolean} Whether or not a matrix transform was found\n*/\nexport const hasMatrixTransform = function (tlist) {\n  if (!tlist) { return false; }\n  let num = tlist.numberOfItems;\n  while (num--) {\n    const xform = tlist.getItem(num);\n    if (xform.type === 1 && !isIdentity(xform.matrix)) { return true; }\n  }\n  return false;\n};\n\n/**\n* @typedef {PlainObject} module:math.TransformedBox An object with the following values\n* @property {module:math.XYObject} tl - The top left coordinate\n* @property {module:math.XYObject} tr - The top right coordinate\n* @property {module:math.XYObject} bl - The bottom left coordinate\n* @property {module:math.XYObject} br - The bottom right coordinate\n* @property {PlainObject} aabox - Object with the following values:\n* @property {Float} aabox.x - Float with the axis-aligned x coordinate\n* @property {Float} aabox.y - Float with the axis-aligned y coordinate\n* @property {Float} aabox.width - Float with the axis-aligned width coordinate\n* @property {Float} aabox.height - Float with the axis-aligned height coordinate\n*/\n\n/**\n * Transforms a rectangle based on the given matrix\n * @function module:math.transformBox\n * @param {Float} l - Float with the box's left coordinate\n * @param {Float} t - Float with the box's top coordinate\n * @param {Float} w - Float with the box width\n * @param {Float} h - Float with the box height\n * @param {SVGMatrix} m - Matrix object to transform the box by\n * @returns {module:math.TransformedBox}\n*/\nexport const transformBox = function (l, t, w, h, m) {\n  const tl = transformPoint(l, t, m),\n    tr = transformPoint((l + w), t, m),\n    bl = transformPoint(l, (t + h), m),\n    br = transformPoint((l + w), (t + h), m),\n\n    minx = Math.min(tl.x, tr.x, bl.x, br.x),\n    maxx = Math.max(tl.x, tr.x, bl.x, br.x),\n    miny = Math.min(tl.y, tr.y, bl.y, br.y),\n    maxy = Math.max(tl.y, tr.y, bl.y, br.y);\n\n  return {\n    tl,\n    tr,\n    bl,\n    br,\n    aabox: {\n      x: minx,\n      y: miny,\n      width: (maxx - minx),\n      height: (maxy - miny)\n    }\n  };\n};\n\n/**\n * This returns a single matrix Transform for a given Transform List\n * (this is the equivalent of `SVGTransformList.consolidate()` but unlike\n * that method, this one does not modify the actual `SVGTransformList`).\n * This function is very liberal with its `min`, `max` arguments\n * @function module:math.transformListToTransform\n * @param {SVGTransformList} tlist - The transformlist object\n * @param {Integer} [min=0] - Optional integer indicating start transform position\n * @param {Integer} [max] - Optional integer indicating end transform position;\n *   defaults to one less than the tlist's `numberOfItems`\n * @returns {SVGTransform} A single matrix transform object\n*/\nexport const transformListToTransform = function (tlist, min, max) {\n  if (tlist == null) {\n    // Or should tlist = null have been prevented before this?\n    return svg.createSVGTransformFromMatrix(svg.createSVGMatrix());\n  }\n  min = min || 0;\n  max = max || (tlist.numberOfItems - 1);\n  min = parseInt(min, 10);\n  max = parseInt(max, 10);\n  if (min > max) { const temp = max; max = min; min = temp; }\n  let m = svg.createSVGMatrix();\n  for (let i = min; i <= max; ++i) {\n    // if our indices are out of range, just use a harmless identity matrix\n    const mtom = (i >= 0 && i < tlist.numberOfItems\n      ? tlist.getItem(i).matrix\n      : svg.createSVGMatrix());\n    m = matrixMultiply(m, mtom);\n  }\n  return svg.createSVGTransformFromMatrix(m);\n};\n\n/**\n * Get the matrix object for a given element\n * @function module:math.getMatrix\n * @param {Element} elem - The DOM element to check\n * @returns {SVGMatrix} The matrix object associated with the element's transformlist\n*/\nexport const getMatrix = function (elem) {\n  const tlist = getTransformList(elem);\n  return transformListToTransform(tlist).matrix;\n};\n\n/**\n * Returns a 45 degree angle coordinate associated with the two given\n * coordinates\n * @function module:math.snapToAngle\n * @param {Integer} x1 - First coordinate's x value\n * @param {Integer} x2 - Second coordinate's x value\n * @param {Integer} y1 - First coordinate's y value\n * @param {Integer} y2 - Second coordinate's y value\n * @returns {module:math.AngleCoord45}\n*/\nexport const snapToAngle = function (x1, y1, x2, y2) {\n  const snap = Math.PI / 4; // 45 degrees\n  const dx = x2 - x1;\n  const dy = y2 - y1;\n  const angle = Math.atan2(dy, dx);\n  const dist = Math.sqrt(dx * dx + dy * dy);\n  const snapangle = Math.round(angle / snap) * snap;\n\n  return {\n    x: x1 + dist * Math.cos(snapangle),\n    y: y1 + dist * Math.sin(snapangle),\n    a: snapangle\n  };\n};\n\n/**\n * Check if two rectangles (BBoxes objects) intersect each other\n * @function module:math.rectsIntersect\n * @param {SVGRect} r1 - The first BBox-like object\n * @param {SVGRect} r2 - The second BBox-like object\n * @returns {boolean} True if rectangles intersect\n */\nexport const rectsIntersect = function (r1, r2) {\n  return r2.x < (r1.x + r1.width) &&\n    (r2.x + r2.width) > r1.x &&\n    r2.y < (r1.y + r1.height) &&\n    (r2.y + r2.height) > r1.y;\n};\n","/* globals jQuery */\n/**\n * Miscellaneous utilities\n * @module utilities\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport './svgpathseg.js';\nimport jqPluginSVG from './jQuery.attr.js'; // Needed for SVG attribute setting and array form with `attr`\nimport {NS} from './namespaces.js';\nimport {getTransformList} from './svgtransformlist.js';\nimport {setUnitAttr, getTypeMap} from './units.js';\nimport {convertPath} from './path.js';\nimport {\n  hasMatrixTransform, transformListToTransform, transformBox\n} from './math.js';\nimport {\n  isWebkit, supportsHVLineContainerBBox, supportsPathBBox, supportsXpath,\n  supportsSelectors\n} from './browser.js';\n\n// Constants\nconst $ = jqPluginSVG(jQuery);\n\n// String used to encode base64.\nconst KEYSTR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n\n// Much faster than running getBBox() every time\nconst visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use';\nconst visElemsArr = visElems.split(',');\n// const hidElems = 'clipPath,defs,desc,feGaussianBlur,filter,linearGradient,marker,mask,metadata,pattern,radialGradient,stop,switch,symbol,title,textPath';\n\nlet editorContext_ = null;\nlet domdoc_ = null;\nlet domcontainer_ = null;\nlet svgroot_ = null;\n\n/**\n* Object with the following keys/values\n* @typedef {PlainObject} module:utilities.SVGElementJSON\n* @property {string} element - Tag name of the SVG element to create\n* @property {PlainObject.<string, string>} attr - Has key-value attributes to assign to the new element\n* @property {boolean} [curStyles=false] - Indicates whether current style attributes should be applied first\n* @property {module:utilities.SVGElementJSON[]} [children] - Data objects to be added recursively as children\n* @property {string} [namespace=\"http://www.w3.org/2000/svg\"] - Indicate a (non-SVG) namespace\n*/\n\n/**\n * An object that creates SVG elements for the canvas.\n *\n * @interface module:utilities.EditorContext\n * @property {module:path.pathActions} pathActions\n */\n/**\n * @function module:utilities.EditorContext#getSVGContent\n * @returns {SVGSVGElement}\n */\n/**\n * Create a new SVG element based on the given object keys/values and add it\n * to the current layer.\n * The element will be run through `cleanupElement` before being returned\n * @function module:utilities.EditorContext#addSVGElementFromJson\n * @param {module:utilities.SVGElementJSON} data\n * @returns {Element} The new element\n*/\n/**\n * @function module:utilities.EditorContext#getSelectedElements\n * @returns {Element[]} the array with selected DOM elements\n*/\n/**\n * @function module:utilities.EditorContext#getDOMDocument\n * @returns {HTMLDocument}\n*/\n/**\n * @function module:utilities.EditorContext#getDOMContainer\n * @returns {HTMLElement}\n*/\n/**\n * @function module:utilities.EditorContext#getSVGRoot\n * @returns {SVGSVGElement}\n*/\n/**\n * @function module:utilities.EditorContext#getBaseUnit\n * @returns {string}\n*/\n/**\n * @function module:utilities.EditorContext#getSnappingStep\n * @returns {Float|string}\n*/\n\n/**\n* @function module:utilities.init\n* @param {module:utilities.EditorContext} editorContext\n* @returns {undefined}\n*/\nexport const init = function (editorContext) {\n  editorContext_ = editorContext;\n  domdoc_ = editorContext.getDOMDocument();\n  domcontainer_ = editorContext.getDOMContainer();\n  svgroot_ = editorContext.getSVGRoot();\n};\n\n/**\n * Used to prevent the [Billion laughs attack]{@link https://en.wikipedia.org/wiki/Billion_laughs_attack}\n * @function module:utilities.dropXMLInteralSubset\n * @param {string} str String to be processed\n * @returns {string} The string with entity declarations in the internal subset removed\n * @todo This might be needed in other places `parseFromString` is used even without LGTM flagging\n */\nexport const dropXMLInteralSubset = (str) => {\n  return str.replace(/(<!DOCTYPE\\s+\\w*\\s*\\[).*(\\?\\]>)/, '$1$2');\n};\n\n/**\n* Converts characters in a string to XML-friendly entities.\n* @function module:utilities.toXml\n* @example `&` becomes `&amp;`\n* @param {string} str - The string to be converted\n* @returns {string} The converted string\n*/\nexport const toXml = function (str) {\n  // &apos; is ok in XML, but not HTML\n  // &gt; does not normally need escaping, though it can if within a CDATA expression (and preceded by \"]]\")\n  return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/\"/g, '&quot;').replace(/'/g, '&#x27;'); // Note: `&apos;` is XML only\n};\n\n/**\n* Converts XML entities in a string to single characters.\n* @function module:utilities.fromXml\n* @example `&amp;` becomes `&`\n* @param {string} str - The string to be converted\n* @returns {string} The converted string\n*/\nexport const fromXml = function (str) {\n  return $('<p/>').html(str).text();\n};\n\n// This code was written by Tyler Akins and has been placed in the\n// public domain.  It would be nice if you left this header intact.\n// Base64 code from Tyler Akins -- http://rumkin.com\n\n// schiller: Removed string concatenation in favour of Array.join() optimization,\n//        also precalculate the size of the array needed.\n\n/**\n* Converts a string to base64\n* @function module:utilities.encode64\n* @param {string} input\n* @returns {string} Base64 output\n*/\nexport const encode64 = function (input) {\n  // base64 strings are 4/3 larger than the original string\n  input = encodeUTF8(input); // convert non-ASCII characters\n  // input = convertToXMLReferences(input);\n  if (window.btoa) {\n    return window.btoa(input); // Use native if available\n  }\n  const output = [];\n  output.length = Math.floor((input.length + 2) / 3) * 4;\n\n  let i = 0, p = 0;\n  do {\n    const chr1 = input.charCodeAt(i++);\n    const chr2 = input.charCodeAt(i++);\n    const chr3 = input.charCodeAt(i++);\n\n    const enc1 = chr1 >> 2;\n    const enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);\n\n    let enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);\n    let enc4 = chr3 & 63;\n\n    if (isNaN(chr2)) {\n      enc3 = enc4 = 64;\n    } else if (isNaN(chr3)) {\n      enc4 = 64;\n    }\n\n    output[p++] = KEYSTR.charAt(enc1);\n    output[p++] = KEYSTR.charAt(enc2);\n    output[p++] = KEYSTR.charAt(enc3);\n    output[p++] = KEYSTR.charAt(enc4);\n  } while (i < input.length);\n\n  return output.join('');\n};\n\n/**\n* Converts a string from base64\n* @function module:utilities.decode64\n* @param {string} input Base64-encoded input\n* @returns {string} Decoded output\n*/\nexport const decode64 = function (input) {\n  if (window.atob) {\n    return decodeUTF8(window.atob(input));\n  }\n\n  // remove all characters that are not A-Z, a-z, 0-9, +, /, or =\n  input = input.replace(/[^A-Za-z0-9+/=]/g, '');\n\n  let output = '';\n  let i = 0;\n\n  do {\n    const enc1 = KEYSTR.indexOf(input.charAt(i++));\n    const enc2 = KEYSTR.indexOf(input.charAt(i++));\n    const enc3 = KEYSTR.indexOf(input.charAt(i++));\n    const enc4 = KEYSTR.indexOf(input.charAt(i++));\n\n    const chr1 = (enc1 << 2) | (enc2 >> 4);\n    const chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);\n    const chr3 = ((enc3 & 3) << 6) | enc4;\n\n    output += String.fromCharCode(chr1);\n\n    if (enc3 !== 64) {\n      output = output + String.fromCharCode(chr2);\n    }\n    if (enc4 !== 64) {\n      output = output + String.fromCharCode(chr3);\n    }\n  } while (i < input.length);\n  return decodeUTF8(output);\n};\n\n/**\n* @function module:utilities.decodeUTF8\n* @param {string} argString\n* @returns {string}\n*/\nexport const decodeUTF8 = function (argString) {\n  return decodeURIComponent(escape(argString));\n};\n\n// codedread:does not seem to work with webkit-based browsers on OSX // Brettz9: please test again as function upgraded\n/**\n* @function module:utilities.encodeUTF8\n* @param {string} argString\n* @returns {string}\n*/\nexport const encodeUTF8 = function (argString) {\n  return unescape(encodeURIComponent(argString));\n};\n\n/**\n * convert dataURL to object URL\n * @function module:utilities.dataURLToObjectURL\n * @param {string} dataurl\n * @returns {string} object URL or empty string\n */\nexport const dataURLToObjectURL = function (dataurl) {\n  if (typeof Uint8Array === 'undefined' || typeof Blob === 'undefined' || typeof URL === 'undefined' || !URL.createObjectURL) {\n    return '';\n  }\n  const arr = dataurl.split(','), mime = arr[0].match(/:(.*?);/)[1],\n    bstr = atob(arr[1]);\n  let n = bstr.length;\n  const u8arr = new Uint8Array(n);\n  while (n--) {\n    u8arr[n] = bstr.charCodeAt(n);\n  }\n  const blob = new Blob([u8arr], {type: mime});\n  return URL.createObjectURL(blob);\n};\n\n/**\n * get object URL for a blob object\n * @function module:utilities.createObjectURL\n * @param {Blob} blob A Blob object or File object\n * @returns {string} object URL or empty string\n */\nexport const createObjectURL = function (blob) {\n  if (!blob || typeof URL === 'undefined' || !URL.createObjectURL) {\n    return '';\n  }\n  return URL.createObjectURL(blob);\n};\n\n/**\n * @property {string} blankPageObjectURL\n */\nexport const blankPageObjectURL = (function () {\n  if (typeof Blob === 'undefined') {\n    return '';\n  }\n  const blob = new Blob(['<html><head><title>SVG-edit</title></head><body>&nbsp;</body></html>'], {type: 'text/html'});\n  return createObjectURL(blob);\n})();\n\n/**\n* Converts a string to use XML references (for non-ASCII)\n* @function module:utilities.convertToXMLReferences\n* @param {string} input\n* @returns {string} Decimal numeric character references\n*/\nexport const convertToXMLReferences = function (input) {\n  let output = '';\n  [...input].forEach((ch) => {\n    const c = ch.charCodeAt();\n    if (c <= 127) {\n      output += ch;\n    } else {\n      output += `&#${c};`;\n    }\n  });\n  return output;\n};\n\n/**\n* Cross-browser compatible method of converting a string to an XML tree\n* found this function [here]{@link http://groups.google.com/group/jquery-dev/browse_thread/thread/c6d11387c580a77f}\n* @function module:utilities.text2xml\n* @param {string} sXML\n* @throws {Error}\n* @returns {XMLDocument}\n*/\nexport const text2xml = function (sXML) {\n  if (sXML.includes('<svg:svg')) {\n    sXML = sXML.replace(/<(\\/?)svg:/g, '<$1').replace('xmlns:svg', 'xmlns');\n  }\n\n  let out, dXML;\n  try {\n    dXML = (window.DOMParser) ? new DOMParser() : new window.ActiveXObject('Microsoft.XMLDOM');\n    dXML.async = false;\n  } catch (e) {\n    throw new Error('XML Parser could not be instantiated');\n  }\n  try {\n    if (dXML.loadXML) {\n      out = (dXML.loadXML(sXML)) ? dXML : false;\n    } else {\n      out = dXML.parseFromString(sXML, 'text/xml');\n    }\n  } catch (e2) { throw new Error('Error parsing XML string'); }\n  return out;\n};\n\n/**\n* @typedef {PlainObject} module:utilities.BBoxObject (like `DOMRect`)\n* @property {Float} x\n* @property {Float} y\n* @property {Float} width\n* @property {Float} height\n*/\n\n/**\n* Converts a `SVGRect` into an object.\n* @function module:utilities.bboxToObj\n* @param {SVGRect} bbox - a SVGRect\n* @returns {module:utilities.BBoxObject} An object with properties names x, y, width, height.\n*/\nexport const bboxToObj = function ({x, y, width, height}) {\n  return {x, y, width, height};\n};\n\n/**\n* @callback module:utilities.TreeWalker\n* @param {Element} elem - DOM element being traversed\n* @returns {undefined}\n*/\n\n/**\n* Walks the tree and executes the callback on each element in a top-down fashion\n* @function module:utilities.walkTree\n* @param {Element} elem - DOM element to traverse\n* @param {module:utilities.TreeWalker} cbFn - Callback function to run on each element\n* @returns {undefined}\n*/\nexport const walkTree = function (elem, cbFn) {\n  if (elem && elem.nodeType === 1) {\n    cbFn(elem);\n    let i = elem.childNodes.length;\n    while (i--) {\n      walkTree(elem.childNodes.item(i), cbFn);\n    }\n  }\n};\n\n/**\n* Walks the tree and executes the callback on each element in a depth-first fashion\n* @function module:utilities.walkTreePost\n* @todo FIXME: Shouldn't this be calling walkTreePost?\n* @param {Element} elem - DOM element to traverse\n* @param {module:utilities.TreeWalker} cbFn - Callback function to run on each element\n* @returns {undefined}\n*/\nexport const walkTreePost = function (elem, cbFn) {\n  if (elem && elem.nodeType === 1) {\n    let i = elem.childNodes.length;\n    while (i--) {\n      walkTree(elem.childNodes.item(i), cbFn);\n    }\n    cbFn(elem);\n  }\n};\n\n/**\n* Extracts the URL from the `url(...)` syntax of some attributes.\n* Three variants:\n*  - `<circle fill=\"url(someFile.svg#foo)\" />`\n*  - `<circle fill=\"url('someFile.svg#foo')\" />`\n*  - `<circle fill='url(\"someFile.svg#foo\")' />`\n* @function module:utilities.getUrlFromAttr\n* @param {string} attrVal The attribute value as a string\n* @returns {string} String with just the URL, like \"someFile.svg#foo\"\n*/\nexport const getUrlFromAttr = function (attrVal) {\n  if (attrVal) {\n    // url('#somegrad')\n    if (attrVal.startsWith('url(\"')) {\n      return attrVal.substring(5, attrVal.indexOf('\"', 6));\n    }\n    // url('#somegrad')\n    if (attrVal.startsWith(\"url('\")) {\n      return attrVal.substring(5, attrVal.indexOf(\"'\", 6));\n    }\n    if (attrVal.startsWith('url(')) {\n      return attrVal.substring(4, attrVal.indexOf(')'));\n    }\n  }\n  return null;\n};\n\n/**\n* @function module:utilities.getHref\n* @param {Element} elem\n* @returns {string} The given element's `xlink:href` value\n*/\nexport let getHref = function (elem) {\n  return elem.getAttributeNS(NS.XLINK, 'href');\n};\n\n/**\n* Sets the given element's `xlink:href` value\n* @function module:utilities.setHref\n* @param {Element} elem\n* @param {string} val\n* @returns {undefined}\n*/\nexport let setHref = function (elem, val) {\n  elem.setAttributeNS(NS.XLINK, 'xlink:href', val);\n};\n\n/**\n* @function module:utilities.findDefs\n* @returns {SVGDefsElement} The document's `<defs>` element, creating it first if necessary\n*/\nexport const findDefs = function () {\n  const svgElement = editorContext_.getSVGContent();\n  let defs = svgElement.getElementsByTagNameNS(NS.SVG, 'defs');\n  if (defs.length > 0) {\n    defs = defs[0];\n  } else {\n    defs = svgElement.ownerDocument.createElementNS(NS.SVG, 'defs');\n    if (svgElement.firstChild) {\n      // first child is a comment, so call nextSibling\n      svgElement.insertBefore(defs, svgElement.firstChild.nextSibling);\n      // svgElement.firstChild.nextSibling.before(defs); // Not safe\n    } else {\n      svgElement.append(defs);\n    }\n  }\n  return defs;\n};\n\n// TODO(codedread): Consider moving the next to functions to bbox.js\n\n/**\n* Get correct BBox for a path in Webkit.\n* Converted from code found [here]{@link http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html}\n* @function module:utilities.getPathBBox\n* @param {SVGPathElement} path - The path DOM element to get the BBox for\n* @returns {module:utilities.BBoxObject} A BBox-like object\n*/\nexport const getPathBBox = function (path) {\n  const seglist = path.pathSegList;\n  const tot = seglist.numberOfItems;\n\n  const bounds = [[], []];\n  const start = seglist.getItem(0);\n  let P0 = [start.x, start.y];\n\n  for (let i = 0; i < tot; i++) {\n    const seg = seglist.getItem(i);\n\n    if (seg.x === undefined) { continue; }\n\n    // Add actual points to limits\n    bounds[0].push(P0[0]);\n    bounds[1].push(P0[1]);\n\n    if (seg.x1) {\n      const P1 = [seg.x1, seg.y1],\n        P2 = [seg.x2, seg.y2],\n        P3 = [seg.x, seg.y];\n\n      for (let j = 0; j < 2; j++) {\n        const calc = function (t) {\n          return Math.pow(1 - t, 3) * P0[j] +\n            3 * Math.pow(1 - t, 2) * t * P1[j] +\n            3 * (1 - t) * Math.pow(t, 2) * P2[j] +\n            Math.pow(t, 3) * P3[j];\n        };\n\n        const b = 6 * P0[j] - 12 * P1[j] + 6 * P2[j];\n        const a = -3 * P0[j] + 9 * P1[j] - 9 * P2[j] + 3 * P3[j];\n        const c = 3 * P1[j] - 3 * P0[j];\n\n        if (a === 0) {\n          if (b === 0) {\n            continue;\n          }\n          const t = -c / b;\n          if (t > 0 && t < 1) {\n            bounds[j].push(calc(t));\n          }\n          continue;\n        }\n        const b2ac = Math.pow(b, 2) - 4 * c * a;\n        if (b2ac < 0) { continue; }\n        const t1 = (-b + Math.sqrt(b2ac)) / (2 * a);\n        if (t1 > 0 && t1 < 1) { bounds[j].push(calc(t1)); }\n        const t2 = (-b - Math.sqrt(b2ac)) / (2 * a);\n        if (t2 > 0 && t2 < 1) { bounds[j].push(calc(t2)); }\n      }\n      P0 = P3;\n    } else {\n      bounds[0].push(seg.x);\n      bounds[1].push(seg.y);\n    }\n  }\n\n  const x = Math.min.apply(null, bounds[0]);\n  const w = Math.max.apply(null, bounds[0]) - x;\n  const y = Math.min.apply(null, bounds[1]);\n  const h = Math.max.apply(null, bounds[1]) - y;\n  return {\n    x,\n    y,\n    width: w,\n    height: h\n  };\n};\n\n/**\n* Get the given/selected element's bounding box object, checking for\n* horizontal/vertical lines (see issue 717)\n* Note that performance is currently terrible, so some way to improve would\n* be great.\n* @param {Element} selected - Container or `<use>` DOM element\n* @returns {DOMRect} Bounding box object\n*/\nfunction groupBBFix (selected) {\n  if (supportsHVLineContainerBBox()) {\n    try { return selected.getBBox(); } catch (e) {}\n  }\n  const ref = $.data(selected, 'ref');\n  let matched = null;\n  let ret, copy;\n\n  if (ref) {\n    copy = $(ref).children().clone().attr('visibility', 'hidden');\n    $(svgroot_).append(copy);\n    matched = copy.filter('line, path');\n  } else {\n    matched = $(selected).find('line, path');\n  }\n\n  let issue = false;\n  if (matched.length) {\n    matched.each(function () {\n      const bb = this.getBBox();\n      if (!bb.width || !bb.height) {\n        issue = true;\n      }\n    });\n    if (issue) {\n      const elems = ref ? copy : $(selected).children();\n      ret = getStrokedBBox(elems);\n    } else {\n      ret = selected.getBBox();\n    }\n  } else {\n    ret = selected.getBBox();\n  }\n  if (ref) {\n    copy.remove();\n  }\n  return ret;\n}\n\n/**\n* Get the given/selected element's bounding box object, convert it to be more\n* usable when necessary\n* @function module:utilities.getBBox\n* @param {Element} elem - Optional DOM element to get the BBox for\n* @returns {module:utilities.BBoxObject} Bounding box object\n*/\nexport const getBBox = function (elem) {\n  const selected = elem || editorContext_.geSelectedElements()[0];\n  if (elem.nodeType !== 1) { return null; }\n  const elname = selected.nodeName;\n\n  let ret = null;\n  switch (elname) {\n  case 'text':\n    if (selected.textContent === '') {\n      selected.textContent = 'a'; // Some character needed for the selector to use.\n      ret = selected.getBBox();\n      selected.textContent = '';\n    } else {\n      if (selected.getBBox) { ret = selected.getBBox(); }\n    }\n    break;\n  case 'path':\n    if (!supportsPathBBox()) {\n      ret = getPathBBox(selected);\n    } else {\n      if (selected.getBBox) { ret = selected.getBBox(); }\n    }\n    break;\n  case 'g':\n  case 'a':\n    ret = groupBBFix(selected);\n    break;\n  default:\n\n    if (elname === 'use') {\n      ret = groupBBFix(selected); // , true);\n    }\n    if (elname === 'use' || (elname === 'foreignObject' && isWebkit())) {\n      if (!ret) { ret = selected.getBBox(); }\n      // This is resolved in later versions of webkit, perhaps we should\n      // have a featured detection for correct 'use' behavior?\n      // ——————————\n      if (!isWebkit()) {\n        const bb = {};\n        bb.width = ret.width;\n        bb.height = ret.height;\n        bb.x = ret.x + parseFloat(selected.getAttribute('x') || 0);\n        bb.y = ret.y + parseFloat(selected.getAttribute('y') || 0);\n        ret = bb;\n      }\n    } else if (visElemsArr.includes(elname)) {\n      if (selected) {\n        try {\n          ret = selected.getBBox();\n        } catch (err) {\n          // tspan (and textPath apparently) have no `getBBox` in Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=937268\n          // Re: Chrome returning bbox for containing text element, see: https://bugs.chromium.org/p/chromium/issues/detail?id=349835\n          const extent = selected.getExtentOfChar(0); // pos+dimensions of the first glyph\n          const width = selected.getComputedTextLength(); // width of the tspan\n          ret = {\n            x: extent.x,\n            y: extent.y,\n            width,\n            height: extent.height\n          };\n        }\n      } else {\n        // Check if element is child of a foreignObject\n        const fo = $(selected).closest('foreignObject');\n        if (fo.length) {\n          if (fo[0].getBBox) {\n            ret = fo[0].getBBox();\n          }\n        }\n      }\n    }\n  }\n  if (ret) {\n    ret = bboxToObj(ret);\n  }\n\n  // get the bounding box from the DOM (which is in that element's coordinate system)\n  return ret;\n};\n\n/**\n* @typedef {GenericArray} module:utilities.PathSegmentArray\n* @property {Integer} length 2\n* @property {\"M\"|\"L\"|\"C\"|\"Z\"} 0\n* @property {Float[]} 1\n*/\n\n/**\n* Create a path 'd' attribute from path segments.\n* Each segment is an array of the form: `[singleChar, [x,y, x,y, ...]]`\n* @function module:utilities.getPathDFromSegments\n* @param {module:utilities.PathSegmentArray[]} pathSegments - An array of path segments to be converted\n* @returns {string} The converted path d attribute.\n*/\nexport const getPathDFromSegments = function (pathSegments) {\n  let d = '';\n\n  $.each(pathSegments, function (j, [singleChar, pts]) {\n    d += singleChar;\n    for (let i = 0; i < pts.length; i += 2) {\n      d += (pts[i] + ',' + pts[i + 1]) + ' ';\n    }\n  });\n\n  return d;\n};\n\n/**\n* Make a path 'd' attribute from a simple SVG element shape.\n* @function module:utilities.getPathDFromElement\n* @param {Element} elem - The element to be converted\n* @returns {string} The path d attribute or `undefined` if the element type is unknown.\n*/\nexport const getPathDFromElement = function (elem) {\n  // Possibly the cubed root of 6, but 1.81 works best\n  let num = 1.81;\n  let d, a, rx, ry;\n  switch (elem.tagName) {\n  case 'ellipse':\n  case 'circle':\n    a = $(elem).attr(['rx', 'ry', 'cx', 'cy']);\n    const {cx, cy} = a;\n    ({rx, ry} = a);\n    if (elem.tagName === 'circle') {\n      rx = ry = $(elem).attr('r');\n    }\n\n    d = getPathDFromSegments([\n      ['M', [(cx - rx), (cy)]],\n      ['C', [(cx - rx), (cy - ry / num), (cx - rx / num), (cy - ry), (cx), (cy - ry)]],\n      ['C', [(cx + rx / num), (cy - ry), (cx + rx), (cy - ry / num), (cx + rx), (cy)]],\n      ['C', [(cx + rx), (cy + ry / num), (cx + rx / num), (cy + ry), (cx), (cy + ry)]],\n      ['C', [(cx - rx / num), (cy + ry), (cx - rx), (cy + ry / num), (cx - rx), (cy)]],\n      ['Z', []]\n    ]);\n    break;\n  case 'path':\n    d = elem.getAttribute('d');\n    break;\n  case 'line':\n    a = $(elem).attr(['x1', 'y1', 'x2', 'y2']);\n    d = 'M' + a.x1 + ',' + a.y1 + 'L' + a.x2 + ',' + a.y2;\n    break;\n  case 'polyline':\n    d = 'M' + elem.getAttribute('points');\n    break;\n  case 'polygon':\n    d = 'M' + elem.getAttribute('points') + ' Z';\n    break;\n  case 'rect':\n    const r = $(elem).attr(['rx', 'ry']);\n    ({rx, ry} = r);\n    const b = elem.getBBox();\n    const {x, y} = b, w = b.width, h = b.height;\n    num = 4 - num; // Why? Because!\n\n    if (!rx && !ry) {\n      // Regular rect\n      d = getPathDFromSegments([\n        ['M', [x, y]],\n        ['L', [x + w, y]],\n        ['L', [x + w, y + h]],\n        ['L', [x, y + h]],\n        ['L', [x, y]],\n        ['Z', []]\n      ]);\n    } else {\n      d = getPathDFromSegments([\n        ['M', [x, y + ry]],\n        ['C', [x, y + ry / num, x + rx / num, y, x + rx, y]],\n        ['L', [x + w - rx, y]],\n        ['C', [x + w - rx / num, y, x + w, y + ry / num, x + w, y + ry]],\n        ['L', [x + w, y + h - ry]],\n        ['C', [x + w, y + h - ry / num, x + w - rx / num, y + h, x + w - rx, y + h]],\n        ['L', [x + rx, y + h]],\n        ['C', [x + rx / num, y + h, x, y + h - ry / num, x, y + h - ry]],\n        ['L', [x, y + ry]],\n        ['Z', []]\n      ]);\n    }\n    break;\n  default:\n    break;\n  }\n\n  return d;\n};\n\n/**\n* Get a set of attributes from an element that is useful for convertToPath.\n* @function module:utilities.getExtraAttributesForConvertToPath\n* @param {Element} elem - The element to be probed\n* @returns {PlainObject.<\"marker-start\"|\"marker-end\"|\"marker-mid\"|\"filter\"|\"clip-path\", string>} An object with attributes.\n*/\nexport const getExtraAttributesForConvertToPath = function (elem) {\n  const attrs = {};\n  // TODO: make this list global so that we can properly maintain it\n  // TODO: what about @transform, @clip-rule, @fill-rule, etc?\n  $.each(['marker-start', 'marker-end', 'marker-mid', 'filter', 'clip-path'], function () {\n    const a = elem.getAttribute(this);\n    if (a) {\n      attrs[this] = a;\n    }\n  });\n  return attrs;\n};\n\n/**\n* Get the BBox of an element-as-path\n* @function module:utilities.getBBoxOfElementAsPath\n* @param {Element} elem - The DOM element to be probed\n* @param {module:utilities.EditorContext#addSVGElementFromJson} addSVGElementFromJson - Function to add the path element to the current layer. See canvas.addSVGElementFromJson\n* @param {module:path.pathActions} pathActions - If a transform exists, `pathActions.resetOrientation()` is used. See: canvas.pathActions.\n* @returns {DOMRect|false} The resulting path's bounding box object.\n*/\nexport const getBBoxOfElementAsPath = function (elem, addSVGElementFromJson, pathActions) {\n  const path = addSVGElementFromJson({\n    element: 'path',\n    attr: getExtraAttributesForConvertToPath(elem)\n  });\n\n  const eltrans = elem.getAttribute('transform');\n  if (eltrans) {\n    path.setAttribute('transform', eltrans);\n  }\n\n  const parent = elem.parentNode;\n  if (elem.nextSibling) {\n    elem.before(path);\n  } else {\n    parent.append(path);\n  }\n\n  const d = getPathDFromElement(elem);\n  if (d) {\n    path.setAttribute('d', d);\n  } else {\n    path.remove();\n  }\n\n  // Get the correct BBox of the new path, then discard it\n  pathActions.resetOrientation(path);\n  let bb = false;\n  try {\n    bb = path.getBBox();\n  } catch (e) {\n    // Firefox fails\n  }\n  path.remove();\n  return bb;\n};\n\n/**\n* Convert selected element to a path.\n* @function module:utilities.convertToPath\n* @param {Element} elem - The DOM element to be converted\n* @param {module:utilities.SVGElementJSON} attrs - Apply attributes to new path. see canvas.convertToPath\n* @param {module:utilities.EditorContext#addSVGElementFromJson} addSVGElementFromJson - Function to add the path element to the current layer. See canvas.addSVGElementFromJson\n* @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.\n* @param {module:draw.DrawCanvasInit#clearSelection|module:path.EditorContext#clearSelection} clearSelection - see [canvas.clearSelection]{@link module:svgcanvas.SvgCanvas#clearSelection}\n* @param {module:path.EditorContext#addToSelection} addToSelection - see [canvas.addToSelection]{@link module:svgcanvas.SvgCanvas#addToSelection}\n* @param {module:history} history - see history module\n* @param {module:path.EditorContext#addCommandToHistory|module:draw.DrawCanvasInit#addCommandToHistory} addCommandToHistory - see [canvas.addCommandToHistory]{@link module:svgcanvas~addCommandToHistory}\n* @returns {SVGPathElement|null} The converted path element or null if the DOM element was not recognized.\n*/\nexport const convertToPath = function (elem, attrs, addSVGElementFromJson, pathActions, clearSelection, addToSelection, history, addCommandToHistory) {\n  const batchCmd = new history.BatchCommand('Convert element to Path');\n\n  // Any attribute on the element not covered by the passed-in attributes\n  attrs = $.extend({}, attrs, getExtraAttributesForConvertToPath(elem));\n\n  const path = addSVGElementFromJson({\n    element: 'path',\n    attr: attrs\n  });\n\n  const eltrans = elem.getAttribute('transform');\n  if (eltrans) {\n    path.setAttribute('transform', eltrans);\n  }\n\n  const {id} = elem;\n  const parent = elem.parentNode;\n  if (elem.nextSibling) {\n    elem.before(path);\n  } else {\n    parent.append(path);\n  }\n\n  const d = getPathDFromElement(elem);\n  if (d) {\n    path.setAttribute('d', d);\n\n    // Replace the current element with the converted one\n\n    // Reorient if it has a matrix\n    if (eltrans) {\n      const tlist = getTransformList(path);\n      if (hasMatrixTransform(tlist)) {\n        pathActions.resetOrientation(path);\n      }\n    }\n\n    const {nextSibling} = elem;\n    batchCmd.addSubCommand(new history.RemoveElementCommand(elem, nextSibling, parent));\n    batchCmd.addSubCommand(new history.InsertElementCommand(path));\n\n    clearSelection();\n    elem.remove();\n    path.setAttribute('id', id);\n    path.removeAttribute('visibility');\n    addToSelection([path], true);\n\n    addCommandToHistory(batchCmd);\n\n    return path;\n  }\n  // the elem.tagName was not recognized, so no \"d\" attribute. Remove it, so we've haven't changed anything.\n  path.remove();\n  return null;\n};\n\n/**\n* Can the bbox be optimized over the native getBBox? The optimized bbox is the same as the native getBBox when\n* the rotation angle is a multiple of 90 degrees and there are no complex transforms.\n* Getting an optimized bbox can be dramatically slower, so we want to make sure it's worth it.\n*\n* The best example for this is a circle rotate 45 degrees. The circle doesn't get wider or taller when rotated\n* about it's center.\n*\n* The standard, unoptimized technique gets the native bbox of the circle, rotates the box 45 degrees, uses\n* that width and height, and applies any transforms to get the final bbox. This means the calculated bbox\n* is much wider than the original circle. If the angle had been 0, 90, 180, etc. both techniques render the\n* same bbox.\n*\n* The optimization is not needed if the rotation is a multiple 90 degrees. The default technique is to call\n* getBBox then apply the angle and any transforms.\n*\n* @param {Float} angle - The rotation angle in degrees\n* @param {boolean} hasMatrixTransform - True if there is a matrix transform\n* @returns {boolean} True if the bbox can be optimized.\n*/\nfunction bBoxCanBeOptimizedOverNativeGetBBox (angle, hasMatrixTransform) {\n  const angleModulo90 = angle % 90;\n  const closeTo90 = angleModulo90 < -89.99 || angleModulo90 > 89.99;\n  const closeTo0 = angleModulo90 > -0.001 && angleModulo90 < 0.001;\n  return hasMatrixTransform || !(closeTo0 || closeTo90);\n}\n\n/**\n* Get bounding box that includes any transforms.\n* @function module:utilities.getBBoxWithTransform\n* @param {Element} elem - The DOM element to be converted\n* @param {module:utilities.EditorContext#addSVGElementFromJson} addSVGElementFromJson - Function to add the path element to the current layer. See canvas.addSVGElementFromJson\n* @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.\n* @returns {module:utilities.BBoxObject|module:math.TransformedBox|DOMRect} A single bounding box object\n*/\nexport const getBBoxWithTransform = function (elem, addSVGElementFromJson, pathActions) {\n  // TODO: Fix issue with rotated groups. Currently they work\n  // fine in FF, but not in other browsers (same problem mentioned\n  // in Issue 339 comment #2).\n\n  let bb = getBBox(elem);\n\n  if (!bb) {\n    return null;\n  }\n\n  const tlist = getTransformList(elem);\n  const angle = getRotationAngleFromTransformList(tlist);\n  const hasMatrixXForm = hasMatrixTransform(tlist);\n\n  if (angle || hasMatrixXForm) {\n    let goodBb = false;\n    if (bBoxCanBeOptimizedOverNativeGetBBox(angle, hasMatrixXForm)) {\n      // Get the BBox from the raw path for these elements\n      // TODO: why ellipse and not circle\n      const elemNames = ['ellipse', 'path', 'line', 'polyline', 'polygon'];\n      if (elemNames.includes(elem.tagName)) {\n        bb = goodBb = getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions);\n      } else if (elem.tagName === 'rect') {\n        // Look for radius\n        const rx = elem.getAttribute('rx');\n        const ry = elem.getAttribute('ry');\n        if (rx || ry) {\n          bb = goodBb = getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions);\n        }\n      }\n    }\n\n    if (!goodBb) {\n      const {matrix} = transformListToTransform(tlist);\n      bb = transformBox(bb.x, bb.y, bb.width, bb.height, matrix).aabox;\n\n      // Old technique that was exceedingly slow with large documents.\n      //\n      // Accurate way to get BBox of rotated element in Firefox:\n      // Put element in group and get its BBox\n      //\n      // Must use clone else FF freaks out\n      // const clone = elem.cloneNode(true);\n      // const g = document.createElementNS(NS.SVG, 'g');\n      // const parent = elem.parentNode;\n      // parent.append(g);\n      // g.append(clone);\n      // const bb2 = bboxToObj(g.getBBox());\n      // g.remove();\n    }\n  }\n  return bb;\n};\n\n// TODO: This is problematic with large stroke-width and, for example, a single horizontal line. The calculated BBox extends way beyond left and right sides.\nfunction getStrokeOffsetForBBox (elem) {\n  const sw = elem.getAttribute('stroke-width');\n  return (!isNaN(sw) && elem.getAttribute('stroke') !== 'none') ? sw / 2 : 0;\n}\n\n/**\n * @typedef {PlainObject} BBox\n * @property {Integer} x The x value\n * @property {Integer} y The y value\n * @property {Float} width\n * @property {Float} height\n */\n\n/**\n* Get the bounding box for one or more stroked and/or transformed elements\n* @function module:utilities.getStrokedBBox\n* @param {Element[]} elems - Array with DOM elements to check\n* @param {module:utilities.EditorContext#addSVGElementFromJson} addSVGElementFromJson - Function to add the path element to the current layer. See canvas.addSVGElementFromJson\n* @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.\n* @returns {module:utilities.BBoxObject|module:math.TransformedBox|DOMRect} A single bounding box object\n*/\nexport const getStrokedBBox = function (elems, addSVGElementFromJson, pathActions) {\n  if (!elems || !elems.length) { return false; }\n\n  let fullBb;\n  $.each(elems, function () {\n    if (fullBb) { return; }\n    if (!this.parentNode) { return; }\n    fullBb = getBBoxWithTransform(this, addSVGElementFromJson, pathActions);\n  });\n\n  // This shouldn't ever happen...\n  if (fullBb === undefined) { return null; }\n\n  // fullBb doesn't include the stoke, so this does no good!\n  // if (elems.length == 1) return fullBb;\n\n  let maxX = fullBb.x + fullBb.width;\n  let maxY = fullBb.y + fullBb.height;\n  let minX = fullBb.x;\n  let minY = fullBb.y;\n\n  // If only one elem, don't call the potentially slow getBBoxWithTransform method again.\n  if (elems.length === 1) {\n    const offset = getStrokeOffsetForBBox(elems[0]);\n    minX -= offset;\n    minY -= offset;\n    maxX += offset;\n    maxY += offset;\n  } else {\n    $.each(elems, function (i, elem) {\n      const curBb = getBBoxWithTransform(elem, addSVGElementFromJson, pathActions);\n      if (curBb) {\n        const offset = getStrokeOffsetForBBox(elem);\n        minX = Math.min(minX, curBb.x - offset);\n        minY = Math.min(minY, curBb.y - offset);\n        // TODO: The old code had this test for max, but not min. I suspect this test should be for both min and max\n        if (elem.nodeType === 1) {\n          maxX = Math.max(maxX, curBb.x + curBb.width + offset);\n          maxY = Math.max(maxY, curBb.y + curBb.height + offset);\n        }\n      }\n    });\n  }\n\n  fullBb.x = minX;\n  fullBb.y = minY;\n  fullBb.width = maxX - minX;\n  fullBb.height = maxY - minY;\n  return fullBb;\n};\n\n/**\n* Get all elements that have a BBox (excludes `<defs>`, `<title>`, etc).\n* Note that 0-opacity, off-screen etc elements are still considered \"visible\"\n* for this function\n* @function module:utilities.getVisibleElements\n* @param {Element} parent - The parent DOM element to search within\n* @returns {Element[]} All \"visible\" elements.\n*/\nexport const getVisibleElements = function (parent) {\n  if (!parent) {\n    parent = $(editorContext_.getSVGContent()).children(); // Prevent layers from being included\n  }\n\n  const contentElems = [];\n  $(parent).children().each(function (i, elem) {\n    if (elem.getBBox) {\n      contentElems.push(elem);\n    }\n  });\n  return contentElems.reverse();\n};\n\n/**\n* Get the bounding box for one or more stroked and/or transformed elements\n* @function module:utilities.getStrokedBBoxDefaultVisible\n* @param {Element[]} elems - Array with DOM elements to check\n* @returns {module:utilities.BBoxObject} A single bounding box object\n*/\nexport const getStrokedBBoxDefaultVisible = function (elems) {\n  if (!elems) { elems = getVisibleElements(); }\n  return getStrokedBBox(\n    elems,\n    editorContext_.addSVGElementFromJson,\n    editorContext_.pathActions\n  );\n};\n\n/**\n* Get the rotation angle of the given transform list.\n* @function module:utilities.getRotationAngleFromTransformList\n* @param {SVGTransformList} tlist - List of transforms\n* @param {boolean} toRad - When true returns the value in radians rather than degrees\n* @returns {Float} The angle in degrees or radians\n*/\nexport const getRotationAngleFromTransformList = function (tlist, toRad) {\n  if (!tlist) { return 0; } // <svg> elements have no tlist\n  const N = tlist.numberOfItems;\n  for (let i = 0; i < N; ++i) {\n    const xform = tlist.getItem(i);\n    if (xform.type === 4) {\n      return toRad ? xform.angle * Math.PI / 180.0 : xform.angle;\n    }\n  }\n  return 0.0;\n};\n\n/**\n* Get the rotation angle of the given/selected DOM element\n* @function module:utilities.getRotationAngle\n* @param {Element} [elem] - DOM element to get the angle for. Default to first of selected elements.\n* @param {boolean} [toRad=false] - When true returns the value in radians rather than degrees\n* @returns {Float} The angle in degrees or radians\n*/\nexport let getRotationAngle = function (elem, toRad) {\n  const selected = elem || editorContext_.getSelectedElements()[0];\n  // find the rotation transform (if any) and set it\n  const tlist = getTransformList(selected);\n  return getRotationAngleFromTransformList(tlist, toRad);\n};\n\n/**\n* Get the reference element associated with the given attribute value\n* @function module:utilities.getRefElem\n* @param {string} attrVal - The attribute value as a string\n* @returns {Element} Reference element\n*/\nexport const getRefElem = function (attrVal) {\n  return getElem(getUrlFromAttr(attrVal).substr(1));\n};\n\n/**\n* Get a DOM element by ID within the SVG root element.\n* @function module:utilities.getElem\n* @param {string} id - String with the element's new ID\n* @returns {Element}\n*/\nexport const getElem = (supportsSelectors())\n  ? function (id) {\n    // querySelector lookup\n    return svgroot_.querySelector('#' + id);\n  } : supportsXpath()\n    ? function (id) {\n      // xpath lookup\n      return domdoc_.evaluate(\n        'svg:svg[@id=\"svgroot\"]//svg:*[@id=\"' + id + '\"]',\n        domcontainer_,\n        function () { return NS.SVG; },\n        9,\n        null).singleNodeValue;\n    }\n    : function (id) {\n      // jQuery lookup: twice as slow as xpath in FF\n      return $(svgroot_).find('[id=' + id + ']')[0];\n    };\n\n/**\n* Assigns multiple attributes to an element.\n* @function module:utilities.assignAttributes\n* @param {Element} elem - DOM element to apply new attribute values to\n* @param {PlainObject.<string, string>} attrs - Object with attribute keys/values\n* @param {Integer} [suspendLength] - Milliseconds to suspend redraw\n* @param {boolean} [unitCheck=false] - Boolean to indicate the need to use units.setUnitAttr\n* @returns {undefined}\n*/\nexport const assignAttributes = function (elem, attrs, suspendLength, unitCheck) {\n  for (const [key, value] of Object.entries(attrs)) {\n    const ns = (key.substr(0, 4) === 'xml:'\n      ? NS.XML\n      : key.substr(0, 6) === 'xlink:' ? NS.XLINK : null);\n\n    if (ns) {\n      elem.setAttributeNS(ns, key, value);\n    } else if (!unitCheck) {\n      elem.setAttribute(key, value);\n    } else {\n      setUnitAttr(elem, key, value);\n    }\n  }\n};\n\n/**\n* Remove unneeded (default) attributes, makes resulting SVG smaller\n* @function module:utilities.cleanupElement\n* @param {Element} element - DOM element to clean up\n* @returns {undefined}\n*/\nexport const cleanupElement = function (element) {\n  const defaults = {\n    'fill-opacity': 1,\n    'stop-opacity': 1,\n    opacity: 1,\n    stroke: 'none',\n    'stroke-dasharray': 'none',\n    'stroke-linejoin': 'miter',\n    'stroke-linecap': 'butt',\n    'stroke-opacity': 1,\n    'stroke-width': 1,\n    rx: 0,\n    ry: 0\n  };\n\n  if (element.nodeName === 'ellipse') {\n    // Ellipse elements require rx and ry attributes\n    delete defaults.rx;\n    delete defaults.ry;\n  }\n\n  for (const attr in defaults) {\n    const val = defaults[attr];\n    if (element.getAttribute(attr) === String(val)) {\n      element.removeAttribute(attr);\n    }\n  }\n};\n\n/**\n* Round value to for snapping\n* @function module:utilities.snapToGrid\n* @param {Float} value\n* @returns {Integer}\n*/\nexport const snapToGrid = function (value) {\n  const unit = editorContext_.getBaseUnit();\n  let stepSize = editorContext_.getSnappingStep();\n  if (unit !== 'px') {\n    stepSize *= getTypeMap()[unit];\n  }\n  value = Math.round(value / stepSize) * stepSize;\n  return value;\n};\n\n/**\n* Escapes special characters in a regular expression\n* @function module:utilities.regexEscape\n* @param {string} str\n* @returns {string}\n*/\nexport const regexEscape = function (str) {\n  // From: http://phpjs.org/functions\n  return String(str).replace(new RegExp('[.\\\\\\\\+*?\\\\[\\\\^\\\\]$(){}=!<>|:\\\\-]', 'g'), '\\\\$&');\n};\n\n/**\n * Prevents default browser click behaviour on the given element\n * @function module:utilities.preventClickDefault\n * @param {Element} img - The DOM element to prevent the click on\n * @returns {undefined}\n */\nexport const preventClickDefault = function (img) {\n  $(img).click(function (e) { e.preventDefault(); });\n};\n\n/**\n * @callback module:utilities.GetNextID\n * @returns {string} The ID\n */\n/**\n * Create a clone of an element, updating its ID and its children's IDs when needed\n * @function module:utilities.copyElem\n * @param {Element} el - DOM element to clone\n * @param {module:utilities.GetNextID} getNextId - The getter of the next unique ID.\n * @returns {Element} The cloned element\n */\nexport const copyElem = function (el, getNextId) {\n  // manually create a copy of the element\n  const newEl = document.createElementNS(el.namespaceURI, el.nodeName);\n  $.each(el.attributes, function (i, attr) {\n    if (attr.localName !== '-moz-math-font-style') {\n      newEl.setAttributeNS(attr.namespaceURI, attr.nodeName, attr.value);\n    }\n  });\n  // set the copied element's new id\n  newEl.removeAttribute('id');\n  newEl.id = getNextId();\n\n  // Opera's \"d\" value needs to be reset for Opera/Win/non-EN\n  // Also needed for webkit (else does not keep curved segments on clone)\n  if (isWebkit() && el.nodeName === 'path') {\n    const fixedD = convertPath(el);\n    newEl.setAttribute('d', fixedD);\n  }\n\n  // now create copies of all children\n  $.each(el.childNodes, function (i, child) {\n    switch (child.nodeType) {\n    case 1: // element node\n      newEl.append(copyElem(child, getNextId));\n      break;\n    case 3: // text node\n      newEl.textContent = child.nodeValue;\n      break;\n    default:\n      break;\n    }\n  });\n\n  if ($(el).data('gsvg')) {\n    $(newEl).data('gsvg', newEl.firstChild);\n  } else if ($(el).data('symbol')) {\n    const ref = $(el).data('symbol');\n    $(newEl).data('ref', ref).data('symbol', ref);\n  } else if (newEl.tagName === 'image') {\n    preventClickDefault(newEl);\n  }\n\n  return newEl;\n};\n\n/**\n* Unit testing\n* @function module:utilities.mock\n* @returns {undefined}\n*/\nexport const mock = ({\n  getHref: getHrefUser, setHref: setHrefUser, getRotationAngle: getRotationAngleUser\n}) => {\n  getHref = getHrefUser;\n  setHref = setHrefUser;\n  getRotationAngle = getRotationAngleUser;\n};\n","/* globals jQuery */\n/**\n * Adds context menu functionality\n * @module contextmenu\n * @license Apache-2.0\n * @author Adam Bender\n */\n// Dependencies:\n// 1) jQuery (for dom injection of context menus)\n\nconst $ = jQuery;\n\nlet contextMenuExtensions = {};\n\n/**\n * Signature depends on what the user adds; in the case of our uses with\n * SVGEditor, no parameters are passed nor anything expected for a return.\n * @callback module:contextmenu.MenuItemAction\n*/\n\n/**\n* @typedef {PlainObject} module:contextmenu.MenuItem\n* @property {string} id\n* @property {string} label\n* @property {module:contextmenu.MenuItemAction} action\n*/\n\n/**\n* @param {module:contextmenu.MenuItem} menuItem\n* @returns {boolean}\n*/\nconst menuItemIsValid = function (menuItem) {\n  return menuItem && menuItem.id && menuItem.label && menuItem.action && typeof menuItem.action === 'function';\n};\n\n/**\n* @function module:contextmenu.add\n* @param {module:contextmenu.MenuItem} menuItem\n* @returns {undefined}\n*/\nexport const add = function (menuItem) {\n  // menuItem: {id, label, shortcut, action}\n  if (!menuItemIsValid(menuItem)) {\n    console.error('Menu items must be defined and have at least properties: id, label, action, where action must be a function');\n    return;\n  }\n  if (menuItem.id in contextMenuExtensions) {\n    console.error('Cannot add extension \"' + menuItem.id + '\", an extension by that name already exists\"');\n    return;\n  }\n  // Register menuItem action, see below for deferred menu dom injection\n  console.log('Registed contextmenu item: {id:' + menuItem.id + ', label:' + menuItem.label + '}');\n  contextMenuExtensions[menuItem.id] = menuItem;\n  // TODO: Need to consider how to handle custom enable/disable behavior\n};\n\n/**\n* @function module:contextmenu.hasCustomHandler\n* @param {string} handlerKey\n* @returns {boolean}\n*/\nexport const hasCustomHandler = function (handlerKey) {\n  return Boolean(contextMenuExtensions[handlerKey]);\n};\n\n/**\n* @function module:contextmenu.getCustomHandler\n* @param {string} handlerKey\n* @returns {module:contextmenu.MenuItemAction}\n*/\nexport const getCustomHandler = function (handlerKey) {\n  return contextMenuExtensions[handlerKey].action;\n};\n\n/**\n* @param {module:contextmenu.MenuItem} menuItem\n* @returns {undefined}\n*/\nconst injectExtendedContextMenuItemIntoDom = function (menuItem) {\n  if (!Object.keys(contextMenuExtensions).length) {\n    // all menuItems appear at the bottom of the menu in their own container.\n    // if this is the first extension menu we need to add the separator.\n    $('#cmenu_canvas').append(\"<li class='separator'>\");\n  }\n  const shortcut = menuItem.shortcut || '';\n  $('#cmenu_canvas').append(\"<li class='disabled'><a href='#\" + menuItem.id + \"'>\" +\n    menuItem.label + \"<span class='shortcut'>\" +\n    shortcut + '</span></a></li>');\n};\n\n/**\n* @function module:contextmenu.injectExtendedContextMenuItemsIntoDom\n* @returns {undefined}\n*/\nexport const injectExtendedContextMenuItemsIntoDom = function () {\n  for (const menuItem in contextMenuExtensions) {\n    injectExtendedContextMenuItemIntoDom(contextMenuExtensions[menuItem]);\n  }\n};\n/**\n* @function module:contextmenu.resetCustomMenus\n* @returns {undefined}\n*/\nexport const resetCustomMenus = function () { contextMenuExtensions = {}; };\n","// MIT License\n// From: https://github.com/uupaa/dynamic-import-polyfill/blob/master/importModule.js\n\n/**\n * @module importModule\n */\n\nfunction toAbsoluteURL (url) {\n  const a = document.createElement('a');\n  a.setAttribute('href', url); // <a href=\"hoge.html\">\n  return a.cloneNode(false).href; // -> \"http://example.com/hoge.html\"\n}\n\nfunction addScriptAtts (script, atts) {\n  ['id', 'class', 'type'].forEach((prop) => {\n    if (prop in atts) {\n      script[prop] = atts[prop];\n    }\n  });\n}\n\n// Additions by Brett\n/**\n* @typedef {PlainObject} module:importModule.ImportConfig\n* @property {string} global The variable name to set on `window` (when not using the modular version)\n* @property {boolean} [returnDefault=false]\n*/\n/**\n* @function module:importModule.importSetGlobalDefault\n* @param {string} url\n* @param {module:importModule.ImportConfig} config\n* @returns {*} The return depends on the export of the targeted module.\n*/\nexport async function importSetGlobalDefault (url, config) {\n  return importSetGlobal(url, {...config, returnDefault: true});\n}\n/**\n* @function module:importModule.importSetGlobal\n* @param {string} url\n* @param {module:importModule.ImportConfig} config\n* @returns {ArbitraryModule|*} The return depends on the export of the targeted module.\n*/\nexport async function importSetGlobal (url, {global, returnDefault}) {\n  // Todo: Replace calls to this function with `import()` when supported\n  const modularVersion = !('svgEditor' in window) ||\n    !window.svgEditor ||\n    window.svgEditor.modules !== false;\n  if (modularVersion) {\n    return importModule(url, undefined, {returnDefault});\n  }\n  await importScript(url);\n  return window[global];\n}\n// Addition by Brett\nexport function importScript (url, atts = {}) {\n  if (Array.isArray(url)) {\n    return Promise.all(url.map((u) => {\n      return importScript(u, atts);\n    }));\n  }\n  return new Promise((resolve, reject) => {\n    const script = document.createElement('script');\n    const destructor = () => {\n      script.onerror = null;\n      script.onload = null;\n      script.remove();\n      script.src = '';\n    };\n    script.defer = 'defer';\n    addScriptAtts(script, atts);\n    script.onerror = () => {\n      reject(new Error(`Failed to import: ${url}`));\n      destructor();\n    };\n    script.onload = () => {\n      resolve();\n      destructor();\n    };\n    script.src = url;\n\n    document.head.append(script);\n  });\n}\n\nexport function importModule (url, atts = {}, {returnDefault = false} = {}) {\n  if (Array.isArray(url)) {\n    return Promise.all(url.map((u) => {\n      return importModule(u, atts);\n    }));\n  }\n  return new Promise((resolve, reject) => {\n    const vector = '$importModule$' + Math.random().toString(32).slice(2);\n    const script = document.createElement('script');\n    const destructor = () => {\n      delete window[vector];\n      script.onerror = null;\n      script.onload = null;\n      script.remove();\n      URL.revokeObjectURL(script.src);\n      script.src = '';\n    };\n    addScriptAtts(script, atts);\n    script.defer = 'defer';\n    script.type = 'module';\n    script.onerror = () => {\n      reject(new Error(`Failed to import: ${url}`));\n      destructor();\n    };\n    script.onload = () => {\n      resolve(window[vector]);\n      destructor();\n    };\n    const absURL = toAbsoluteURL(url);\n    const loader = `import * as m from '${absURL.replace(/'/g, \"\\\\'\")}'; window.${vector} = ${returnDefault ? 'm.default || ' : ''}m;`; // export Module\n    const blob = new Blob([loader], {type: 'text/javascript'});\n    script.src = URL.createObjectURL(blob);\n\n    document.head.append(script);\n  });\n}\n\nexport default importModule;\n","/* globals jQuery */\n/**\n * Provides tools for the layer concept\n * @module layer\n * @license MIT\n *\n * @copyright 2011 Jeff Schiller, 2016 Flint O'Brien\n */\n\nimport {NS} from './namespaces.js';\nimport {toXml, walkTree} from './utilities.js';\n\nconst $ = jQuery;\n\n/**\n * This class encapsulates the concept of a layer in the drawing. It can be constructed with\n * an existing group element or, with three parameters, will create a new layer group element.\n *\n * @example\n * new Layer('name', group);          // Use the existing group for this layer.\n * new Layer('name', group, svgElem); // Create a new group and add it to the DOM after group.\n * new Layer('name', null, svgElem);  // Create a new group and add it to the DOM as the last layer.\n * @memberof module:layer\n */\nclass Layer {\n  /**\n  * @param {string} name - Layer name\n  * @param {SVGGElement|null} group - An existing SVG group element or null.\n  *     If group and no svgElem, use group for this layer.\n  *     If group and svgElem, create a new group element and insert it in the DOM after group.\n  *     If no group and svgElem, create a new group element and insert it in the DOM as the last layer.\n  * @param {SVGGElement=} svgElem - The SVG DOM element. If defined, use this to add\n  *     a new layer to the document.\n  */\n  constructor (name, group, svgElem) {\n    this.name_ = name;\n    this.group_ = svgElem ? null : group;\n\n    if (svgElem) {\n      // Create a group element with title and add it to the DOM.\n      const svgdoc = svgElem.ownerDocument;\n      this.group_ = svgdoc.createElementNS(NS.SVG, 'g');\n      const layerTitle = svgdoc.createElementNS(NS.SVG, 'title');\n      layerTitle.textContent = name;\n      this.group_.append(layerTitle);\n      if (group) {\n        $(group).after(this.group_);\n      } else {\n        svgElem.append(this.group_);\n      }\n    }\n\n    addLayerClass(this.group_);\n    walkTree(this.group_, function (e) {\n      e.setAttribute('style', 'pointer-events:inherit');\n    });\n\n    this.group_.setAttribute('style', svgElem ? 'pointer-events:all' : 'pointer-events:none');\n  }\n\n  /**\n   * Get the layer's name.\n   * @returns {string} The layer name\n   */\n  getName () {\n    return this.name_;\n  }\n\n  /**\n   * Get the group element for this layer.\n   * @returns {SVGGElement} The layer SVG group\n   */\n  getGroup () {\n    return this.group_;\n  }\n\n  /**\n   * Active this layer so it takes pointer events.\n   * @returns {undefined}\n   */\n  activate () {\n    this.group_.setAttribute('style', 'pointer-events:all');\n  }\n\n  /**\n   * Deactive this layer so it does NOT take pointer events.\n   * @returns {undefined}\n   */\n  deactivate () {\n    this.group_.setAttribute('style', 'pointer-events:none');\n  }\n\n  /**\n   * Set this layer visible or hidden based on 'visible' parameter.\n   * @param {boolean} visible - If true, make visible; otherwise, hide it.\n   * @returns {undefined}\n   */\n  setVisible (visible) {\n    const expected = visible === undefined || visible ? 'inline' : 'none';\n    const oldDisplay = this.group_.getAttribute('display');\n    if (oldDisplay !== expected) {\n      this.group_.setAttribute('display', expected);\n    }\n  }\n\n  /**\n   * Is this layer visible?\n   * @returns {boolean} True if visible.\n   */\n  isVisible () {\n    return this.group_.getAttribute('display') !== 'none';\n  }\n\n  /**\n   * Get layer opacity.\n   * @returns {Float} Opacity value.\n   */\n  getOpacity () {\n    const opacity = this.group_.getAttribute('opacity');\n    if (opacity === null || opacity === undefined) {\n      return 1;\n    }\n    return parseFloat(opacity);\n  }\n\n  /**\n   * Sets the opacity of this layer. If opacity is not a value between 0.0 and 1.0,\n   * nothing happens.\n   * @param {Float} opacity - A float value in the range 0.0-1.0\n   * @returns {undefined}\n   */\n  setOpacity (opacity) {\n    if (typeof opacity === 'number' && opacity >= 0.0 && opacity <= 1.0) {\n      this.group_.setAttribute('opacity', opacity);\n    }\n  }\n\n  /**\n   * Append children to this layer.\n   * @param {SVGGElement} children - The children to append to this layer.\n   * @returns {undefined}\n   */\n  appendChildren (children) {\n    for (let i = 0; i < children.length; ++i) {\n      this.group_.append(children[i]);\n    }\n  }\n\n  /**\n  * @returns {SVGTitleElement|null}\n  */\n  getTitleElement () {\n    const len = this.group_.childNodes.length;\n    for (let i = 0; i < len; ++i) {\n      const child = this.group_.childNodes.item(i);\n      if (child && child.tagName === 'title') {\n        return child;\n      }\n    }\n    return null;\n  }\n\n  /**\n   * Set the name of this layer.\n   * @param {string} name - The new name.\n   * @param {module:history.HistoryRecordingService} hrService - History recording service\n   * @returns {string|null} The new name if changed; otherwise, null.\n   */\n  setName (name, hrService) {\n    const previousName = this.name_;\n    name = toXml(name);\n    // now change the underlying title element contents\n    const title = this.getTitleElement();\n    if (title) {\n      $(title).empty();\n      title.textContent = name;\n      this.name_ = name;\n      if (hrService) {\n        hrService.changeElement(title, {'#text': previousName});\n      }\n      return this.name_;\n    }\n    return null;\n  }\n\n  /**\n   * Remove this layer's group from the DOM. No more functions on group can be called after this.\n   * @param {SVGGElement} children - The children to append to this layer.\n   * @returns {SVGGElement} The layer SVG group that was just removed.\n   */\n  removeGroup () {\n    const parent = this.group_.parentNode;\n    const group = parent.removeChild(this.group_);\n    this.group_ = undefined;\n    return group;\n  }\n}\n/**\n * @property {string} CLASS_NAME - class attribute assigned to all layer groups.\n */\nLayer.CLASS_NAME = 'layer';\n\n/**\n * @property {RegExp} CLASS_REGEX - Used to test presence of class Layer.CLASS_NAME\n */\nLayer.CLASS_REGEX = new RegExp('(\\\\s|^)' + Layer.CLASS_NAME + '(\\\\s|$)');\n\n/**\n * Add class `Layer.CLASS_NAME` to the element (usually `class='layer'`).\n *\n * @param {SVGGElement} elem - The SVG element to update\n * @returns {undefined}\n */\nfunction addLayerClass (elem) {\n  const classes = elem.getAttribute('class');\n  if (classes === null || classes === undefined || !classes.length) {\n    elem.setAttribute('class', Layer.CLASS_NAME);\n  } else if (!Layer.CLASS_REGEX.test(classes)) {\n    elem.setAttribute('class', classes + ' ' + Layer.CLASS_NAME);\n  }\n}\n\nexport default Layer;\n","/**\n * HistoryRecordingService component of history\n * @module history\n * @license MIT\n * @copyright 2016 Flint O'Brien\n */\n\nimport {\n  BatchCommand, MoveElementCommand, InsertElementCommand, RemoveElementCommand,\n  ChangeElementCommand\n} from './history.js';\n\n/**\n * History recording service.\n *\n * A self-contained service interface for recording history. Once injected, no other dependencies\n * or globals are required (example: UndoManager, command types, etc.). Easy to mock for unit tests.\n * Built on top of history classes in history.js.\n *\n * There is a simple start/end interface for batch commands.\n *\n * HistoryRecordingService.NO_HISTORY is a singleton that can be passed in to functions\n * that record history. This helps when the caller requires that no history be recorded.\n *\n * The following will record history: insert, batch, insert.\n * @example\n * hrService = new history.HistoryRecordingService(this.undoMgr);\n * hrService.insertElement(elem, text);         // add simple command to history.\n * hrService.startBatchCommand('create two elements');\n * hrService.changeElement(elem, attrs, text);  // add to batchCommand\n * hrService.changeElement(elem, attrs2, text); // add to batchCommand\n * hrService.endBatchCommand();                  // add batch command with two change commands to history.\n * hrService.insertElement(elem, text);         // add simple command to history.\n *\n * @example\n * // Note that all functions return this, so commands can be chained, like so:\n * hrService\n *   .startBatchCommand('create two elements')\n *   .insertElement(elem, text)\n *   .changeElement(elem, attrs, text)\n *   .endBatchCommand();\n *\n * @memberof module:history\n */\nclass HistoryRecordingService {\n  /**\n  * @param {history.UndoManager|null} undoManager - The undo manager.\n  *     A value of `null` is valid for cases where no history recording is required.\n  *     See singleton: {@link module:history.HistoryRecordingService.HistoryRecordingService.NO_HISTORY}\n  */\n  constructor (undoManager) {\n    this.undoManager_ = undoManager;\n    this.currentBatchCommand_ = null;\n    this.batchCommandStack_ = [];\n  }\n\n  /**\n   * Start a batch command so multiple commands can recorded as a single history command.\n   * Requires a corresponding call to endBatchCommand. Start and end commands can be nested.\n   *\n   * @param {string} text - Optional string describing the batch command.\n   * @returns {module:history.HistoryRecordingService}\n   */\n  startBatchCommand (text) {\n    if (!this.undoManager_) { return this; }\n    this.currentBatchCommand_ = new BatchCommand(text);\n    this.batchCommandStack_.push(this.currentBatchCommand_);\n    return this;\n  }\n\n  /**\n   * End a batch command and add it to the history or a parent batch command.\n   * @returns {module:history.HistoryRecordingService}\n   */\n  endBatchCommand () {\n    if (!this.undoManager_) { return this; }\n    if (this.currentBatchCommand_) {\n      const batchCommand = this.currentBatchCommand_;\n      this.batchCommandStack_.pop();\n      const {length} = this.batchCommandStack_;\n      this.currentBatchCommand_ = length ? this.batchCommandStack_[length - 1] : null;\n      this.addCommand_(batchCommand);\n    }\n    return this;\n  }\n\n  /**\n   * Add a MoveElementCommand to the history or current batch command\n   * @param {Element} elem - The DOM element that was moved\n   * @param {Element} oldNextSibling - The element's next sibling before it was moved\n   * @param {Element} oldParent - The element's parent before it was moved\n   * @param {string} [text] - An optional string visible to user related to this change\n   * @returns {module:history.HistoryRecordingService}\n   */\n  moveElement (elem, oldNextSibling, oldParent, text) {\n    if (!this.undoManager_) { return this; }\n    this.addCommand_(new MoveElementCommand(elem, oldNextSibling, oldParent, text));\n    return this;\n  }\n\n  /**\n   * Add an InsertElementCommand to the history or current batch command\n   * @param {Element} elem - The DOM element that was added\n   * @param {string} [text] - An optional string visible to user related to this change\n   * @returns {module:history.HistoryRecordingService}\n   */\n  insertElement (elem, text) {\n    if (!this.undoManager_) { return this; }\n    this.addCommand_(new InsertElementCommand(elem, text));\n    return this;\n  }\n\n  /**\n   * Add a RemoveElementCommand to the history or current batch command\n   * @param {Element} elem - The DOM element that was removed\n   * @param {Element} oldNextSibling - The element's next sibling before it was removed\n   * @param {Element} oldParent - The element's parent before it was removed\n   * @param {string} [text] - An optional string visible to user related to this change\n   * @returns {module:history.HistoryRecordingService}\n   */\n  removeElement (elem, oldNextSibling, oldParent, text) {\n    if (!this.undoManager_) { return this; }\n    this.addCommand_(new RemoveElementCommand(elem, oldNextSibling, oldParent, text));\n    return this;\n  }\n\n  /**\n   * Add a ChangeElementCommand to the history or current batch command\n   * @param {Element} elem - The DOM element that was changed\n   * @param {module:history.CommandAttributes} attrs - An object with the attributes to be changed and the values they had *before* the change\n   * @param {string} [text] - An optional string visible to user related to this change\n   * @returns {module:history.HistoryRecordingService}\n   */\n  changeElement (elem, attrs, text) {\n    if (!this.undoManager_) { return this; }\n    this.addCommand_(new ChangeElementCommand(elem, attrs, text));\n    return this;\n  }\n\n  /**\n   * Private function to add a command to the history or current batch command.\n   * @private\n   * @param {Command} cmd\n   * @returns {module:history.HistoryRecordingService}\n   */\n  addCommand_ (cmd) {\n    if (!this.undoManager_) { return this; }\n    if (this.currentBatchCommand_) {\n      this.currentBatchCommand_.addSubCommand(cmd);\n    } else {\n      this.undoManager_.addCommandToHistory(cmd);\n    }\n  }\n}\n/**\n * @memberof module:history.HistoryRecordingService\n * @property {module:history.HistoryRecordingService} NO_HISTORY - Singleton that can be passed to functions that record history, but the caller requires that no history be recorded.\n */\nHistoryRecordingService.NO_HISTORY = new HistoryRecordingService();\nexport default HistoryRecordingService;\n","/* globals jQuery */\n/**\n * Tools for drawing\n * @module draw\n * @license MIT\n * @copyright 2011 Jeff Schiller\n */\n\nimport Layer from './layer.js';\nimport HistoryRecordingService from './historyrecording.js';\n\nimport {NS} from './namespaces.js';\nimport {isOpera} from './browser.js';\nimport {\n  toXml, getElem,\n  copyElem as utilCopyElem\n} from './utilities.js';\nimport {\n  BatchCommand, RemoveElementCommand, MoveElementCommand, ChangeElementCommand\n} from './history.js';\n\nconst $ = jQuery;\n\nconst visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use'.split(',');\n\nconst RandomizeModes = {\n  LET_DOCUMENT_DECIDE: 0,\n  ALWAYS_RANDOMIZE: 1,\n  NEVER_RANDOMIZE: 2\n};\nlet randIds = RandomizeModes.LET_DOCUMENT_DECIDE;\n// Array with current disabled elements (for in-group editing)\nlet disabledElems = [];\n\n/**\n * Get a HistoryRecordingService.\n * @param {module:history.HistoryRecordingService} [hrService] - if exists, return it instead of creating a new service.\n * @returns {module:history.HistoryRecordingService}\n */\nfunction historyRecordingService (hrService) {\n  return hrService || new HistoryRecordingService(canvas_.undoMgr);\n}\n\n/**\n * Find the layer name in a group element.\n * @param {Element} group The group element to search in.\n * @returns {string} The layer name or empty string.\n */\nfunction findLayerNameInGroup (group) {\n  return $('title', group).text() ||\n    (isOpera() && group.querySelectorAll\n      // Hack for Opera 10.60\n      ? $(group.querySelectorAll('title')).text()\n      : '');\n}\n\n/**\n * Given a set of names, return a new unique name.\n * @param {string[]} existingLayerNames - Existing layer names.\n * @returns {string} - The new name.\n */\nfunction getNewLayerName (existingLayerNames) {\n  let i = 1;\n  // TODO(codedread): What about internationalization of \"Layer\"?\n  while (existingLayerNames.includes(('Layer ' + i))) { i++; }\n  return 'Layer ' + i;\n}\n\n/**\n * This class encapsulates the concept of a SVG-edit drawing\n */\nexport class Drawing {\n  /**\n  * @param {SVGSVGElement} svgElem - The SVG DOM Element that this JS object\n  *     encapsulates.  If the svgElem has a se:nonce attribute on it, then\n  *     IDs will use the nonce as they are generated.\n  * @param {string} [optIdPrefix=svg_] - The ID prefix to use.\n  * @throws {Error} If not initialized with an SVG element\n  */\n  constructor (svgElem, optIdPrefix) {\n    if (!svgElem || !svgElem.tagName || !svgElem.namespaceURI ||\n      svgElem.tagName !== 'svg' || svgElem.namespaceURI !== NS.SVG) {\n      throw new Error('Error: svgedit.draw.Drawing instance initialized without a <svg> element');\n    }\n\n    /**\n    * The SVG DOM Element that represents this drawing.\n    * @type {SVGSVGElement}\n    */\n    this.svgElem_ = svgElem;\n\n    /**\n    * The latest object number used in this drawing.\n    * @type {Integer}\n    */\n    this.obj_num = 0;\n\n    /**\n    * The prefix to prepend to each element id in the drawing.\n    * @type {string}\n    */\n    this.idPrefix = optIdPrefix || 'svg_';\n\n    /**\n    * An array of released element ids to immediately reuse.\n    * @type {Integer[]}\n    */\n    this.releasedNums = [];\n\n    /**\n    * The z-ordered array of Layer objects. Each layer has a name\n    * and group element.\n    * The first layer is the one at the bottom of the rendering.\n    * @type {Layer[]}\n    */\n    this.all_layers = [];\n\n    /**\n    * Map of all_layers by name.\n    *\n    * Note: Layers are ordered, but referenced externally by name; so, we need both container\n    * types depending on which function is called (i.e. all_layers and layer_map).\n    *\n    * @type {PlainObject.<string, Layer>}\n    */\n    this.layer_map = {};\n\n    /**\n    * The current layer being used.\n    * @type {Layer}\n    */\n    this.current_layer = null;\n\n    /**\n    * The nonce to use to uniquely identify elements across drawings.\n    * @type {!String}\n    */\n    this.nonce_ = '';\n    const n = this.svgElem_.getAttributeNS(NS.SE, 'nonce');\n    // If already set in the DOM, use the nonce throughout the document\n    // else, if randomizeIds(true) has been called, create and set the nonce.\n    if (!!n && randIds !== RandomizeModes.NEVER_RANDOMIZE) {\n      this.nonce_ = n;\n    } else if (randIds === RandomizeModes.ALWAYS_RANDOMIZE) {\n      this.setNonce(Math.floor(Math.random() * 100001));\n    }\n  }\n\n  /**\n   * @param {string} id Element ID to retrieve\n   * @returns {Element} SVG element within the root SVGSVGElement\n  */\n  getElem_ (id) {\n    if (this.svgElem_.querySelector) {\n      // querySelector lookup\n      return this.svgElem_.querySelector('#' + id);\n    }\n    // jQuery lookup: twice as slow as xpath in FF\n    return $(this.svgElem_).find('[id=' + id + ']')[0];\n  }\n\n  /**\n   * @returns {SVGSVGElement}\n   */\n  getSvgElem () {\n    return this.svgElem_;\n  }\n\n  /**\n   * @returns {!(string|Integer)} The previously set nonce\n   */\n  getNonce () {\n    return this.nonce_;\n  }\n\n  /**\n   * @param {!(string|Integer)} n The nonce to set\n   * @returns {undefined}\n   */\n  setNonce (n) {\n    this.svgElem_.setAttributeNS(NS.XMLNS, 'xmlns:se', NS.SE);\n    this.svgElem_.setAttributeNS(NS.SE, 'se:nonce', n);\n    this.nonce_ = n;\n  }\n\n  /**\n   * Clears any previously set nonce\n   * @returns {undefined}\n   */\n  clearNonce () {\n    // We deliberately leave any se:nonce attributes alone,\n    // we just don't use it to randomize ids.\n    this.nonce_ = '';\n  }\n\n  /**\n   * Returns the latest object id as a string.\n   * @returns {string} The latest object Id.\n   */\n  getId () {\n    return this.nonce_\n      ? this.idPrefix + this.nonce_ + '_' + this.obj_num\n      : this.idPrefix + this.obj_num;\n  }\n\n  /**\n   * Returns the next object Id as a string.\n   * @returns {string} The next object Id to use.\n   */\n  getNextId () {\n    const oldObjNum = this.obj_num;\n    let restoreOldObjNum = false;\n\n    // If there are any released numbers in the release stack,\n    // use the last one instead of the next obj_num.\n    // We need to temporarily use obj_num as that is what getId() depends on.\n    if (this.releasedNums.length > 0) {\n      this.obj_num = this.releasedNums.pop();\n      restoreOldObjNum = true;\n    } else {\n      // If we are not using a released id, then increment the obj_num.\n      this.obj_num++;\n    }\n\n    // Ensure the ID does not exist.\n    let id = this.getId();\n    while (this.getElem_(id)) {\n      if (restoreOldObjNum) {\n        this.obj_num = oldObjNum;\n        restoreOldObjNum = false;\n      }\n      this.obj_num++;\n      id = this.getId();\n    }\n    // Restore the old object number if required.\n    if (restoreOldObjNum) {\n      this.obj_num = oldObjNum;\n    }\n    return id;\n  }\n\n  /**\n   * Releases the object Id, letting it be used as the next id in getNextId().\n   * This method DOES NOT remove any elements from the DOM, it is expected\n   * that client code will do this.\n   * @param {string} id - The id to release.\n   * @returns {boolean} True if the id was valid to be released, false otherwise.\n  */\n  releaseId (id) {\n    // confirm if this is a valid id for this Document, else return false\n    const front = this.idPrefix + (this.nonce_ ? this.nonce_ + '_' : '');\n    if (typeof id !== 'string' || !id.startsWith(front)) {\n      return false;\n    }\n    // extract the obj_num of this id\n    const num = parseInt(id.substr(front.length), 10);\n\n    // if we didn't get a positive number or we already released this number\n    // then return false.\n    if (typeof num !== 'number' || num <= 0 || this.releasedNums.includes(num)) {\n      return false;\n    }\n\n    // push the released number into the released queue\n    this.releasedNums.push(num);\n\n    return true;\n  }\n\n  /**\n   * Returns the number of layers in the current drawing.\n   * @returns {Integer} The number of layers in the current drawing.\n  */\n  getNumLayers () {\n    return this.all_layers.length;\n  }\n\n  /**\n   * Check if layer with given name already exists\n   * @param {string} name - The layer name to check\n   * @returns {boolean}\n  */\n  hasLayer (name) {\n    return this.layer_map[name] !== undefined;\n  }\n\n  /**\n   * Returns the name of the ith layer. If the index is out of range, an empty string is returned.\n   * @param {Integer} i - The zero-based index of the layer you are querying.\n   * @returns {string} The name of the ith layer (or the empty string if none found)\n  */\n  getLayerName (i) {\n    return i >= 0 && i < this.getNumLayers() ? this.all_layers[i].getName() : '';\n  }\n\n  /**\n   * @returns {SVGGElement|null} The SVGGElement representing the current layer.\n   */\n  getCurrentLayer () {\n    return this.current_layer ? this.current_layer.getGroup() : null;\n  }\n\n  /**\n   * Get a layer by name.\n   * @returns {SVGGElement} The SVGGElement representing the named layer or null.\n   */\n  getLayerByName (name) {\n    const layer = this.layer_map[name];\n    return layer ? layer.getGroup() : null;\n  }\n\n  /**\n   * Returns the name of the currently selected layer. If an error occurs, an empty string\n   * is returned.\n   * @returns {string} The name of the currently active layer (or the empty string if none found).\n  */\n  getCurrentLayerName () {\n    return this.current_layer ? this.current_layer.getName() : '';\n  }\n\n  /**\n   * Set the current layer's name.\n   * @param {string} name - The new name.\n   * @param {module:history.HistoryRecordingService} hrService - History recording service\n   * @returns {string|null} The new name if changed; otherwise, null.\n   */\n  setCurrentLayerName (name, hrService) {\n    let finalName = null;\n    if (this.current_layer) {\n      const oldName = this.current_layer.getName();\n      finalName = this.current_layer.setName(name, hrService);\n      if (finalName) {\n        delete this.layer_map[oldName];\n        this.layer_map[finalName] = this.current_layer;\n      }\n    }\n    return finalName;\n  }\n\n  /**\n   * Set the current layer's position.\n   * @param {Integer} newpos - The zero-based index of the new position of the layer. Range should be 0 to layers-1\n   * @returns {{title: SVGGElement, previousName: string}|null} If the name was changed, returns {title:SVGGElement, previousName:string}; otherwise null.\n   */\n  setCurrentLayerPosition (newpos) {\n    const layerCount = this.getNumLayers();\n    if (!this.current_layer || newpos < 0 || newpos >= layerCount) {\n      return null;\n    }\n\n    let oldpos;\n    for (oldpos = 0; oldpos < layerCount; ++oldpos) {\n      if (this.all_layers[oldpos] === this.current_layer) { break; }\n    }\n    // some unknown error condition (current_layer not in all_layers)\n    if (oldpos === layerCount) { return null; }\n\n    if (oldpos !== newpos) {\n      // if our new position is below us, we need to insert before the node after newpos\n      const currentGroup = this.current_layer.getGroup();\n      const oldNextSibling = currentGroup.nextSibling;\n\n      let refGroup = null;\n      if (newpos > oldpos) {\n        if (newpos < layerCount - 1) {\n          refGroup = this.all_layers[newpos + 1].getGroup();\n        }\n      // if our new position is above us, we need to insert before the node at newpos\n      } else {\n        refGroup = this.all_layers[newpos].getGroup();\n      }\n      this.svgElem_.insertBefore(currentGroup, refGroup); // Ok to replace with `refGroup.before(currentGroup);`?\n\n      this.identifyLayers();\n      this.setCurrentLayer(this.getLayerName(newpos));\n\n      return {\n        currentGroup,\n        oldNextSibling\n      };\n    }\n    return null;\n  }\n\n  /**\n  * @param {module:history.HistoryRecordingService} hrService\n  * @returns {undefined}\n  */\n  mergeLayer (hrService) {\n    const currentGroup = this.current_layer.getGroup();\n    const prevGroup = $(currentGroup).prev()[0];\n    if (!prevGroup) { return; }\n\n    hrService.startBatchCommand('Merge Layer');\n\n    const layerNextSibling = currentGroup.nextSibling;\n    hrService.removeElement(currentGroup, layerNextSibling, this.svgElem_);\n\n    while (currentGroup.firstChild) {\n      const child = currentGroup.firstChild;\n      if (child.localName === 'title') {\n        hrService.removeElement(child, child.nextSibling, currentGroup);\n        child.remove();\n        continue;\n      }\n      const oldNextSibling = child.nextSibling;\n      prevGroup.append(child);\n      hrService.moveElement(child, oldNextSibling, currentGroup);\n    }\n\n    // Remove current layer's group\n    this.current_layer.removeGroup();\n    // Remove the current layer and set the previous layer as the new current layer\n    const index = this.all_layers.indexOf(this.current_layer);\n    if (index > 0) {\n      const name = this.current_layer.getName();\n      this.current_layer = this.all_layers[index - 1];\n      this.all_layers.splice(index, 1);\n      delete this.layer_map[name];\n    }\n\n    hrService.endBatchCommand();\n  }\n\n  /**\n  * @param {module:history.HistoryRecordingService} hrService\n  * @returns {undefined}\n  */\n  mergeAllLayers (hrService) {\n    // Set the current layer to the last layer.\n    this.current_layer = this.all_layers[this.all_layers.length - 1];\n\n    hrService.startBatchCommand('Merge all Layers');\n    while (this.all_layers.length > 1) {\n      this.mergeLayer(hrService);\n    }\n    hrService.endBatchCommand();\n  }\n\n  /**\n   * Sets the current layer. If the name is not a valid layer name, then this\n   * function returns `false`. Otherwise it returns `true`. This is not an\n   * undo-able action.\n   * @param {string} name - The name of the layer you want to switch to.\n   * @returns {boolean} `true` if the current layer was switched, otherwise `false`\n   */\n  setCurrentLayer (name) {\n    const layer = this.layer_map[name];\n    if (layer) {\n      if (this.current_layer) {\n        this.current_layer.deactivate();\n      }\n      this.current_layer = layer;\n      this.current_layer.activate();\n      return true;\n    }\n    return false;\n  }\n\n  /**\n   * Deletes the current layer from the drawing and then clears the selection.\n   * This function then calls the 'changed' handler.  This is an undoable action.\n   * @todo Does this actually call the 'changed' handler?\n   * @returns {SVGGElement} The SVGGElement of the layer removed or null.\n   */\n  deleteCurrentLayer () {\n    if (this.current_layer && this.getNumLayers() > 1) {\n      const oldLayerGroup = this.current_layer.removeGroup();\n      this.identifyLayers();\n      return oldLayerGroup;\n    }\n    return null;\n  }\n\n  /**\n   * Updates layer system and sets the current layer to the\n   * top-most layer (last `<g>` child of this drawing).\n   * @returns {undefined}\n  */\n  identifyLayers () {\n    this.all_layers = [];\n    this.layer_map = {};\n    const numchildren = this.svgElem_.childNodes.length;\n    // loop through all children of SVG element\n    const orphans = [], layernames = [];\n    let layer = null;\n    let childgroups = false;\n    for (let i = 0; i < numchildren; ++i) {\n      const child = this.svgElem_.childNodes.item(i);\n      // for each g, find its layer name\n      if (child && child.nodeType === 1) {\n        if (child.tagName === 'g') {\n          childgroups = true;\n          const name = findLayerNameInGroup(child);\n          if (name) {\n            layernames.push(name);\n            layer = new Layer(name, child);\n            this.all_layers.push(layer);\n            this.layer_map[name] = layer;\n          } else {\n            // if group did not have a name, it is an orphan\n            orphans.push(child);\n          }\n        } else if (visElems.includes(child.nodeName)) {\n          // Child is \"visible\" (i.e. not a <title> or <defs> element), so it is an orphan\n          orphans.push(child);\n        }\n      }\n    }\n\n    // If orphans or no layers found, create a new layer and add all the orphans to it\n    if (orphans.length > 0 || !childgroups) {\n      layer = new Layer(getNewLayerName(layernames), null, this.svgElem_);\n      layer.appendChildren(orphans);\n      this.all_layers.push(layer);\n      this.layer_map[name] = layer;\n    } else {\n      layer.activate();\n    }\n    this.current_layer = layer;\n  }\n\n  /**\n   * Creates a new top-level layer in the drawing with the given name and\n   * makes it the current layer.\n   * @param {string} name - The given name. If the layer name exists, a new name will be generated.\n   * @param {module:history.HistoryRecordingService} hrService - History recording service\n   * @returns {SVGGElement} The SVGGElement of the new layer, which is\n   *     also the current layer of this drawing.\n  */\n  createLayer (name, hrService) {\n    if (this.current_layer) {\n      this.current_layer.deactivate();\n    }\n    // Check for duplicate name.\n    if (name === undefined || name === null || name === '' || this.layer_map[name]) {\n      name = getNewLayerName(Object.keys(this.layer_map));\n    }\n\n    // Crate new layer and add to DOM as last layer\n    const layer = new Layer(name, null, this.svgElem_);\n    // Like to assume hrService exists, but this is backwards compatible with old version of createLayer.\n    if (hrService) {\n      hrService.startBatchCommand('Create Layer');\n      hrService.insertElement(layer.getGroup());\n      hrService.endBatchCommand();\n    }\n\n    this.all_layers.push(layer);\n    this.layer_map[name] = layer;\n    this.current_layer = layer;\n    return layer.getGroup();\n  }\n\n  /**\n   * Creates a copy of the current layer with the given name and makes it the current layer.\n   * @param {string} name - The given name. If the layer name exists, a new name will be generated.\n   * @param {module:history.HistoryRecordingService} hrService - History recording service\n   * @returns {SVGGElement} The SVGGElement of the new layer, which is\n   *     also the current layer of this drawing.\n  */\n  cloneLayer (name, hrService) {\n    if (!this.current_layer) { return null; }\n    this.current_layer.deactivate();\n    // Check for duplicate name.\n    if (name === undefined || name === null || name === '' || this.layer_map[name]) {\n      name = getNewLayerName(Object.keys(this.layer_map));\n    }\n\n    // Create new group and add to DOM just after current_layer\n    const currentGroup = this.current_layer.getGroup();\n    const layer = new Layer(name, currentGroup, this.svgElem_);\n    const group = layer.getGroup();\n\n    // Clone children\n    const children = currentGroup.childNodes;\n    for (let index = 0; index < children.length; index++) {\n      const ch = children[index];\n      if (ch.localName === 'title') { continue; }\n      group.append(this.copyElem(ch));\n    }\n\n    if (hrService) {\n      hrService.startBatchCommand('Duplicate Layer');\n      hrService.insertElement(group);\n      hrService.endBatchCommand();\n    }\n\n    // Update layer containers and current_layer.\n    const index = this.all_layers.indexOf(this.current_layer);\n    if (index >= 0) {\n      this.all_layers.splice(index + 1, 0, layer);\n    } else {\n      this.all_layers.push(layer);\n    }\n    this.layer_map[name] = layer;\n    this.current_layer = layer;\n    return group;\n  }\n\n  /**\n   * Returns whether the layer is visible.  If the layer name is not valid,\n   * then this function returns `false`.\n   * @param {string} layerName - The name of the layer which you want to query.\n   * @returns {boolean} The visibility state of the layer, or `false` if the layer name was invalid.\n  */\n  getLayerVisibility (layerName) {\n    const layer = this.layer_map[layerName];\n    return layer ? layer.isVisible() : false;\n  }\n\n  /**\n   * Sets the visibility of the layer. If the layer name is not valid, this\n   * function returns `null`, otherwise it returns the `SVGElement` representing\n   * the layer. This is an undo-able action.\n   * @param {string} layerName - The name of the layer to change the visibility\n   * @param {boolean} bVisible - Whether the layer should be visible\n   * @returns {?SVGGElement} The SVGGElement representing the layer if the\n   *   `layerName` was valid, otherwise `null`.\n  */\n  setLayerVisibility (layerName, bVisible) {\n    if (typeof bVisible !== 'boolean') {\n      return null;\n    }\n    const layer = this.layer_map[layerName];\n    if (!layer) { return null; }\n    layer.setVisible(bVisible);\n    return layer.getGroup();\n  }\n\n  /**\n   * Returns the opacity of the given layer.  If the input name is not a layer, `null` is returned.\n   * @param {string} layerName - name of the layer on which to get the opacity\n   * @returns {?Float} The opacity value of the given layer.  This will be a value between 0.0 and 1.0, or `null`\n   * if `layerName` is not a valid layer\n  */\n  getLayerOpacity (layerName) {\n    const layer = this.layer_map[layerName];\n    if (!layer) { return null; }\n    return layer.getOpacity();\n  }\n\n  /**\n   * Sets the opacity of the given layer.  If the input name is not a layer,\n   * nothing happens. If opacity is not a value between 0.0 and 1.0, then\n   * nothing happens.\n   * NOTE: this function exists solely to apply a highlighting/de-emphasis\n   * effect to a layer. When it is possible for a user to affect the opacity\n   * of a layer, we will need to allow this function to produce an undo-able\n   * action.\n   * @param {string} layerName - Name of the layer on which to set the opacity\n   * @param {Float} opacity - A float value in the range 0.0-1.0\n   * @returns {undefined}\n  */\n  setLayerOpacity (layerName, opacity) {\n    if (typeof opacity !== 'number' || opacity < 0.0 || opacity > 1.0) {\n      return;\n    }\n    const layer = this.layer_map[layerName];\n    if (layer) {\n      layer.setOpacity(opacity);\n    }\n  }\n\n  /**\n   * Create a clone of an element, updating its ID and its children's IDs when needed\n   * @param {Element} el - DOM element to clone\n   * @returns {Element}\n   */\n  copyElem (el) {\n    const self = this;\n    const getNextIdClosure = function () { return self.getNextId(); };\n    return utilCopyElem(el, getNextIdClosure);\n  }\n}\n\n/**\n * Called to ensure that drawings will or will not have randomized ids.\n * The currentDrawing will have its nonce set if it doesn't already.\n * @function module:draw.randomizeIds\n * @param {boolean} enableRandomization - flag indicating if documents should have randomized ids\n * @param {draw.Drawing} currentDrawing\n * @returns {undefined}\n */\nexport const randomizeIds = function (enableRandomization, currentDrawing) {\n  randIds = enableRandomization === false\n    ? RandomizeModes.NEVER_RANDOMIZE\n    : RandomizeModes.ALWAYS_RANDOMIZE;\n\n  if (randIds === RandomizeModes.ALWAYS_RANDOMIZE && !currentDrawing.getNonce()) {\n    currentDrawing.setNonce(Math.floor(Math.random() * 100001));\n  } else if (randIds === RandomizeModes.NEVER_RANDOMIZE && currentDrawing.getNonce()) {\n    currentDrawing.clearNonce();\n  }\n};\n\n// Layer API Functions\n\n/**\n* Group: Layers\n*/\n\n/**\n * @see {@link https://api.jquery.com/jQuery.data/}\n * @name external:jQuery.data\n */\n\n/**\n * @interface module:draw.DrawCanvasInit\n * @property {module:path.pathActions} pathActions\n * @property {external:jQuery.data} elData\n * @property {module:history.UndoManager} undoMgr\n */\n/**\n * @function module:draw.DrawCanvasInit#getCurrentGroup\n * @returns {Element}\n */\n/**\n * @function module:draw.DrawCanvasInit#setCurrentGroup\n * @param {Element} cg\n * @returns {undefined}\n*/\n/**\n * @function module:draw.DrawCanvasInit#getSelectedElements\n * @returns {Element[]} the array with selected DOM elements\n*/\n/**\n * @function module:draw.DrawCanvasInit#getSVGContent\n * @returns {SVGSVGElement}\n */\n/**\n * @function module:draw.DrawCanvasInit#getCurrentDrawing\n * @returns {module:draw.Drawing}\n */\n/**\n * @function module:draw.DrawCanvasInit#clearSelection\n * @param {boolean} [noCall] - When `true`, does not call the \"selected\" handler\n * @returns {undefined}\n*/\n/**\n * Run the callback function associated with the given event\n * @function module:draw.DrawCanvasInit#call\n * @param {\"changed\"|\"contextset\"} ev - String with the event name\n * @param {module:svgcanvas.SvgCanvas#event:changed|module:svgcanvas.SvgCanvas#event:contextset} arg - Argument to pass through to the callback\n * function. If the event is \"changed\", a (single-item) array of `Element`s is\n * passed. If the event is \"contextset\", the arg is `null` or `Element`.\n * @returns {undefined}\n */\n/**\n * @function module:draw.DrawCanvasInit#addCommandToHistory\n * @param {Command} cmd\n * @returns {undefined}\n*/\n/**\n * @function module:draw.DrawCanvasInit#changeSVGContent\n * @returns {undefined}\n */\n\nlet canvas_;\n/**\n* @function module:draw.init\n* @param {module:draw.DrawCanvasInit} canvas\n* @returns {undefined}\n*/\nexport const init = function (canvas) {\n  canvas_ = canvas;\n};\n\n/**\n* Updates layer system\n* @function module:draw.identifyLayers\n* @returns {undefined}\n*/\nexport const identifyLayers = function () {\n  leaveContext();\n  canvas_.getCurrentDrawing().identifyLayers();\n};\n\n/**\n* Creates a new top-level layer in the drawing with the given name, sets the current layer\n* to it, and then clears the selection. This function then calls the 'changed' handler.\n* This is an undoable action.\n* @function module:draw.createLayer\n* @param {string} name - The given name\n* @param {module:history.HistoryRecordingService} hrService\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nexport const createLayer = function (name, hrService) {\n  const newLayer = canvas_.getCurrentDrawing().createLayer(\n    name,\n    historyRecordingService(hrService)\n  );\n  canvas_.clearSelection();\n  canvas_.call('changed', [newLayer]);\n};\n\n/**\n * Creates a new top-level layer in the drawing with the given name, copies all the current layer's contents\n * to it, and then clears the selection. This function then calls the 'changed' handler.\n * This is an undoable action.\n * @function module:draw.cloneLayer\n * @param {string} name - The given name. If the layer name exists, a new name will be generated.\n * @param {module:history.HistoryRecordingService} hrService - History recording service\n * @fires module:svgcanvas.SvgCanvas#event:changed\n * @returns {undefined}\n */\nexport const cloneLayer = function (name, hrService) {\n  // Clone the current layer and make the cloned layer the new current layer\n  const newLayer = canvas_.getCurrentDrawing().cloneLayer(name, historyRecordingService(hrService));\n\n  canvas_.clearSelection();\n  leaveContext();\n  canvas_.call('changed', [newLayer]);\n};\n\n/**\n* Deletes the current layer from the drawing and then clears the selection. This function\n* then calls the 'changed' handler. This is an undoable action.\n* @function module:draw.deleteCurrentLayer\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {boolean} `true` if an old layer group was found to delete\n*/\nexport const deleteCurrentLayer = function () {\n  let currentLayer = canvas_.getCurrentDrawing().getCurrentLayer();\n  const {nextSibling} = currentLayer;\n  const parent = currentLayer.parentNode;\n  currentLayer = canvas_.getCurrentDrawing().deleteCurrentLayer();\n  if (currentLayer) {\n    const batchCmd = new BatchCommand('Delete Layer');\n    // store in our Undo History\n    batchCmd.addSubCommand(new RemoveElementCommand(currentLayer, nextSibling, parent));\n    canvas_.addCommandToHistory(batchCmd);\n    canvas_.clearSelection();\n    canvas_.call('changed', [parent]);\n    return true;\n  }\n  return false;\n};\n\n/**\n* Sets the current layer. If the name is not a valid layer name, then this function returns\n* false. Otherwise it returns true. This is not an undo-able action.\n* @function module:draw.setCurrentLayer\n* @param {string} name - The name of the layer you want to switch to.\n* @returns {boolean} true if the current layer was switched, otherwise false\n*/\nexport const setCurrentLayer = function (name) {\n  const result = canvas_.getCurrentDrawing().setCurrentLayer(toXml(name));\n  if (result) {\n    canvas_.clearSelection();\n  }\n  return result;\n};\n\n/**\n* Renames the current layer. If the layer name is not valid (i.e. unique), then this function\n* does nothing and returns `false`, otherwise it returns `true`. This is an undo-able action.\n* @function module:draw.renameCurrentLayer\n* @param {string} newName - the new name you want to give the current layer. This name must\n* be unique among all layer names.\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {boolean} Whether the rename succeeded\n*/\nexport const renameCurrentLayer = function (newName) {\n  const drawing = canvas_.getCurrentDrawing();\n  const layer = drawing.getCurrentLayer();\n  if (layer) {\n    const result = drawing.setCurrentLayerName(newName, historyRecordingService());\n    if (result) {\n      canvas_.call('changed', [layer]);\n      return true;\n    }\n  }\n  return false;\n};\n\n/**\n* Changes the position of the current layer to the new value. If the new index is not valid,\n* this function does nothing and returns false, otherwise it returns true. This is an\n* undo-able action.\n* @function module:draw.setCurrentLayerPosition\n* @param {Integer} newPos - The zero-based index of the new position of the layer. This should be between\n* 0 and (number of layers - 1)\n* @returns {boolean} `true` if the current layer position was changed, `false` otherwise.\n*/\nexport const setCurrentLayerPosition = function (newPos) {\n  const drawing = canvas_.getCurrentDrawing();\n  const result = drawing.setCurrentLayerPosition(newPos);\n  if (result) {\n    canvas_.addCommandToHistory(new MoveElementCommand(result.currentGroup, result.oldNextSibling, canvas_.getSVGContent()));\n    return true;\n  }\n  return false;\n};\n\n/**\n* Sets the visibility of the layer. If the layer name is not valid, this function return\n* `false`, otherwise it returns `true`. This is an undo-able action.\n* @function module:draw.setLayerVisibility\n* @param {string} layerName - The name of the layer to change the visibility\n* @param {boolean} bVisible - Whether the layer should be visible\n* @returns {boolean} true if the layer's visibility was set, false otherwise\n*/\nexport const setLayerVisibility = function (layerName, bVisible) {\n  const drawing = canvas_.getCurrentDrawing();\n  const prevVisibility = drawing.getLayerVisibility(layerName);\n  const layer = drawing.setLayerVisibility(layerName, bVisible);\n  if (layer) {\n    const oldDisplay = prevVisibility ? 'inline' : 'none';\n    canvas_.addCommandToHistory(new ChangeElementCommand(layer, {display: oldDisplay}, 'Layer Visibility'));\n  } else {\n    return false;\n  }\n\n  if (layer === drawing.getCurrentLayer()) {\n    canvas_.clearSelection();\n    canvas_.pathActions.clear();\n  }\n  // call('changed', [selected]);\n  return true;\n};\n\n/**\n* Moves the selected elements to layerName. If the name is not a valid layer name, then `false`\n* is returned. Otherwise it returns `true`. This is an undo-able action.\n* @function module:draw.moveSelectedToLayer\n* @param {string} layerName - The name of the layer you want to which you want to move the selected elements\n* @returns {boolean} Whether the selected elements were moved to the layer.\n*/\nexport const moveSelectedToLayer = function (layerName) {\n  // find the layer\n  const drawing = canvas_.getCurrentDrawing();\n  const layer = drawing.getLayerByName(layerName);\n  if (!layer) { return false; }\n\n  const batchCmd = new BatchCommand('Move Elements to Layer');\n\n  // loop for each selected element and move it\n  const selElems = canvas_.getSelectedElements();\n  let i = selElems.length;\n  while (i--) {\n    const elem = selElems[i];\n    if (!elem) { continue; }\n    const oldNextSibling = elem.nextSibling;\n    // TODO: this is pretty brittle!\n    const oldLayer = elem.parentNode;\n    layer.append(elem);\n    batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldLayer));\n  }\n\n  canvas_.addCommandToHistory(batchCmd);\n\n  return true;\n};\n\n/**\n* @function module:draw.mergeLayer\n* @param {module:history.HistoryRecordingService} hrService\n* @returns {undefined}\n*/\nexport const mergeLayer = function (hrService) {\n  canvas_.getCurrentDrawing().mergeLayer(historyRecordingService(hrService));\n  canvas_.clearSelection();\n  leaveContext();\n  canvas_.changeSVGContent();\n};\n\n/**\n* @function module:draw.mergeAllLayers\n* @param {module:history.HistoryRecordingService} hrService\n* @returns {undefined}\n*/\nexport const mergeAllLayers = function (hrService) {\n  canvas_.getCurrentDrawing().mergeAllLayers(historyRecordingService(hrService));\n  canvas_.clearSelection();\n  leaveContext();\n  canvas_.changeSVGContent();\n};\n\n/**\n* Return from a group context to the regular kind, make any previously\n* disabled elements enabled again\n* @function module:draw.leaveContext\n* @fires module:svgcanvas.SvgCanvas#event:contextset\n* @returns {undefined}\n*/\nexport const leaveContext = function () {\n  const len = disabledElems.length;\n  if (len) {\n    for (let i = 0; i < len; i++) {\n      const elem = disabledElems[i];\n      const orig = canvas_.elData(elem, 'orig_opac');\n      if (orig !== 1) {\n        elem.setAttribute('opacity', orig);\n      } else {\n        elem.removeAttribute('opacity');\n      }\n      elem.setAttribute('style', 'pointer-events: inherit');\n    }\n    disabledElems = [];\n    canvas_.clearSelection(true);\n    canvas_.call('contextset', null);\n  }\n  canvas_.setCurrentGroup(null);\n};\n\n/**\n* Set the current context (for in-group editing)\n* @function module:draw.setContext\n* @param {Element} elem\n* @fires module:svgcanvas.SvgCanvas#event:contextset\n* @returns {undefined}\n*/\nexport const setContext = function (elem) {\n  leaveContext();\n  if (typeof elem === 'string') {\n    elem = getElem(elem);\n  }\n\n  // Edit inside this group\n  canvas_.setCurrentGroup(elem);\n\n  // Disable other elements\n  $(elem).parentsUntil('#svgcontent').andSelf().siblings().each(function () {\n    const opac = this.getAttribute('opacity') || 1;\n    // Store the original's opacity\n    canvas_.elData(this, 'orig_opac', opac);\n    this.setAttribute('opacity', opac * 0.33);\n    this.setAttribute('style', 'pointer-events: none');\n    disabledElems.push(this);\n  });\n\n  canvas_.clearSelection();\n  canvas_.call('contextset', canvas_.getCurrentGroup());\n};\n\n/**\n* @memberof module:draw\n* @class Layer\n* @see {@link module:layer.Layer}\n*/\nexport {Layer};\n","/**\n * Tools for SVG sanitization\n * @module sanitize\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport {getReverseNS, NS} from './namespaces.js';\nimport {isGecko} from './browser.js';\nimport {getHref, setHref, getUrlFromAttr} from './utilities.js';\n\nconst REVERSE_NS = getReverseNS();\n\n// this defines which elements and attributes that we support\nconst svgWhiteList_ = {\n  // SVG Elements\n  a: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'mask', 'opacity', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'xlink:href', 'xlink:title'],\n  circle: ['class', 'clip-path', 'clip-rule', 'cx', 'cy', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'mask', 'opacity', 'r', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  clipPath: ['class', 'clipPathUnits', 'id'],\n  defs: [],\n  style: ['type'],\n  desc: [],\n  ellipse: ['class', 'clip-path', 'clip-rule', 'cx', 'cy', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'mask', 'opacity', 'requiredFeatures', 'rx', 'ry', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  feGaussianBlur: ['class', 'color-interpolation-filters', 'id', 'requiredFeatures', 'stdDeviation'],\n  filter: ['class', 'color-interpolation-filters', 'filterRes', 'filterUnits', 'height', 'id', 'primitiveUnits', 'requiredFeatures', 'width', 'x', 'xlink:href', 'y'],\n  foreignObject: ['class', 'font-size', 'height', 'id', 'opacity', 'requiredFeatures', 'style', 'transform', 'width', 'x', 'y'],\n  g: ['class', 'clip-path', 'clip-rule', 'id', 'display', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'font-family', 'font-size', 'font-style', 'font-weight', 'text-anchor'],\n  image: ['class', 'clip-path', 'clip-rule', 'filter', 'height', 'id', 'mask', 'opacity', 'requiredFeatures', 'style', 'systemLanguage', 'transform', 'width', 'x', 'xlink:href', 'xlink:title', 'y'],\n  line: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'x1', 'x2', 'y1', 'y2'],\n  linearGradient: ['class', 'id', 'gradientTransform', 'gradientUnits', 'requiredFeatures', 'spreadMethod', 'systemLanguage', 'x1', 'x2', 'xlink:href', 'y1', 'y2'],\n  marker: ['id', 'class', 'markerHeight', 'markerUnits', 'markerWidth', 'orient', 'preserveAspectRatio', 'refX', 'refY', 'systemLanguage', 'viewBox'],\n  mask: ['class', 'height', 'id', 'maskContentUnits', 'maskUnits', 'width', 'x', 'y'],\n  metadata: ['class', 'id'],\n  path: ['class', 'clip-path', 'clip-rule', 'd', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  pattern: ['class', 'height', 'id', 'patternContentUnits', 'patternTransform', 'patternUnits', 'requiredFeatures', 'style', 'systemLanguage', 'viewBox', 'width', 'x', 'xlink:href', 'y'],\n  polygon: ['class', 'clip-path', 'clip-rule', 'id', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'class', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'opacity', 'points', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  polyline: ['class', 'clip-path', 'clip-rule', 'id', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'opacity', 'points', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  radialGradient: ['class', 'cx', 'cy', 'fx', 'fy', 'gradientTransform', 'gradientUnits', 'id', 'r', 'requiredFeatures', 'spreadMethod', 'systemLanguage', 'xlink:href'],\n  rect: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'height', 'id', 'mask', 'opacity', 'requiredFeatures', 'rx', 'ry', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'width', 'x', 'y'],\n  stop: ['class', 'id', 'offset', 'requiredFeatures', 'stop-color', 'stop-opacity', 'style', 'systemLanguage'],\n  svg: ['class', 'clip-path', 'clip-rule', 'filter', 'id', 'height', 'mask', 'preserveAspectRatio', 'requiredFeatures', 'style', 'systemLanguage', 'viewBox', 'width', 'x', 'xmlns', 'xmlns:se', 'xmlns:xlink', 'y'],\n  switch: ['class', 'id', 'requiredFeatures', 'systemLanguage'],\n  symbol: ['class', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'font-family', 'font-size', 'font-style', 'font-weight', 'id', 'opacity', 'preserveAspectRatio', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'viewBox'],\n  text: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'font-family', 'font-size', 'font-style', 'font-weight', 'id', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'text-anchor', 'transform', 'x', 'xml:space', 'y'],\n  textPath: ['class', 'id', 'method', 'requiredFeatures', 'spacing', 'startOffset', 'style', 'systemLanguage', 'transform', 'xlink:href'],\n  title: [],\n  tspan: ['class', 'clip-path', 'clip-rule', 'dx', 'dy', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'font-family', 'font-size', 'font-style', 'font-weight', 'id', 'mask', 'opacity', 'requiredFeatures', 'rotate', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'text-anchor', 'textLength', 'transform', 'x', 'xml:space', 'y'],\n  use: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'height', 'id', 'mask', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'transform', 'width', 'x', 'xlink:href', 'y'],\n\n  // MathML Elements\n  annotation: ['encoding'],\n  'annotation-xml': ['encoding'],\n  maction: ['actiontype', 'other', 'selection'],\n  math: ['class', 'id', 'display', 'xmlns'],\n  menclose: ['notation'],\n  merror: [],\n  mfrac: ['linethickness'],\n  mi: ['mathvariant'],\n  mmultiscripts: [],\n  mn: [],\n  mo: ['fence', 'lspace', 'maxsize', 'minsize', 'rspace', 'stretchy'],\n  mover: [],\n  mpadded: ['lspace', 'width', 'height', 'depth', 'voffset'],\n  mphantom: [],\n  mprescripts: [],\n  mroot: [],\n  mrow: ['xlink:href', 'xlink:type', 'xmlns:xlink'],\n  mspace: ['depth', 'height', 'width'],\n  msqrt: [],\n  mstyle: ['displaystyle', 'mathbackground', 'mathcolor', 'mathvariant', 'scriptlevel'],\n  msub: [],\n  msubsup: [],\n  msup: [],\n  mtable: ['align', 'columnalign', 'columnlines', 'columnspacing', 'displaystyle', 'equalcolumns', 'equalrows', 'frame', 'rowalign', 'rowlines', 'rowspacing', 'width'],\n  mtd: ['columnalign', 'columnspan', 'rowalign', 'rowspan'],\n  mtext: [],\n  mtr: ['columnalign', 'rowalign'],\n  munder: [],\n  munderover: [],\n  none: [],\n  semantics: []\n};\n\n// Produce a Namespace-aware version of svgWhitelist\nconst svgWhiteListNS_ = {};\nObject.entries(svgWhiteList_).forEach(function ([elt, atts]) {\n  const attNS = {};\n  Object.entries(atts).forEach(function ([i, att]) {\n    if (att.includes(':')) {\n      const v = att.split(':');\n      attNS[v[1]] = NS[(v[0]).toUpperCase()];\n    } else {\n      attNS[att] = att === 'xmlns' ? NS.XMLNS : null;\n    }\n  });\n  svgWhiteListNS_[elt] = attNS;\n});\n\n/**\n* Sanitizes the input node and its children.\n* It only keeps what is allowed from our whitelist defined above.\n* @function module:sanitize.sanitizeSvg\n* @param {Text|Element} node - The DOM element to be checked (we'll also check its children) or text node to be cleaned up\n* @returns {undefined}\n*/\nexport const sanitizeSvg = function (node) {\n  // Cleanup text nodes\n  if (node.nodeType === 3) { // 3 === TEXT_NODE\n    // Trim whitespace\n    node.nodeValue = node.nodeValue.replace(/^\\s+|\\s+$/g, '');\n    // Remove if empty\n    if (!node.nodeValue.length) {\n      node.remove();\n    }\n  }\n\n  // We only care about element nodes.\n  // Automatically return for all non-element nodes, such as comments, etc.\n  if (node.nodeType !== 1) { // 1 == ELEMENT_NODE\n    return;\n  }\n\n  const doc = node.ownerDocument;\n  const parent = node.parentNode;\n  // can parent ever be null here?  I think the root node's parent is the document...\n  if (!doc || !parent) {\n    return;\n  }\n\n  const allowedAttrs = svgWhiteList_[node.nodeName];\n  const allowedAttrsNS = svgWhiteListNS_[node.nodeName];\n  // if this element is supported, sanitize it\n  if (typeof allowedAttrs !== 'undefined') {\n    const seAttrs = [];\n    let i = node.attributes.length;\n    while (i--) {\n      // if the attribute is not in our whitelist, then remove it\n      // could use jQuery's inArray(), but I don't know if that's any better\n      const attr = node.attributes.item(i);\n      const attrName = attr.nodeName;\n      const attrLocalName = attr.localName;\n      const attrNsURI = attr.namespaceURI;\n      // Check that an attribute with the correct localName in the correct namespace is on\n      // our whitelist or is a namespace declaration for one of our allowed namespaces\n      if (!(allowedAttrsNS.hasOwnProperty(attrLocalName) && attrNsURI === allowedAttrsNS[attrLocalName] && attrNsURI !== NS.XMLNS) &&\n        !(attrNsURI === NS.XMLNS && REVERSE_NS[attr.value])) {\n        // TODO(codedread): Programmatically add the se: attributes to the NS-aware whitelist.\n        // Bypassing the whitelist to allow se: prefixes.\n        // Is there a more appropriate way to do this?\n        if (attrName.startsWith('se:') || attrName.startsWith('data-')) {\n          seAttrs.push([attrName, attr.value]);\n        }\n        node.removeAttributeNS(attrNsURI, attrLocalName);\n      }\n\n      // Add spaces before negative signs where necessary\n      if (isGecko()) {\n        switch (attrName) {\n        case 'transform':\n        case 'gradientTransform':\n        case 'patternTransform':\n          const val = attr.value.replace(/(\\d)-/g, '$1 -');\n          node.setAttribute(attrName, val);\n          break;\n        }\n      }\n\n      // For the style attribute, rewrite it in terms of XML presentational attributes\n      if (attrName === 'style') {\n        const props = attr.value.split(';');\n        let p = props.length;\n        while (p--) {\n          const [name, val] = props[p].split(':');\n          const styleAttrName = (name || '').trim();\n          const styleAttrVal = (val || '').trim();\n          // Now check that this attribute is supported\n          if (allowedAttrs.includes(styleAttrName)) {\n            node.setAttribute(styleAttrName, styleAttrVal);\n          }\n        }\n        node.removeAttribute('style');\n      }\n    }\n\n    Object.values(seAttrs).forEach(([att, val]) => {\n      node.setAttributeNS(NS.SE, att, val);\n    });\n\n    // for some elements that have a xlink:href, ensure the URI refers to a local element\n    // (but not for links)\n    const href = getHref(node);\n    if (href &&\n      ['filter', 'linearGradient', 'pattern',\n        'radialGradient', 'textPath', 'use'].includes(node.nodeName)) {\n      // TODO: we simply check if the first character is a #, is this bullet-proof?\n      if (href[0] !== '#') {\n        // remove the attribute (but keep the element)\n        setHref(node, '');\n        node.removeAttributeNS(NS.XLINK, 'href');\n      }\n    }\n\n    // Safari crashes on a <use> without a xlink:href, so we just remove the node here\n    if (node.nodeName === 'use' && !getHref(node)) {\n      node.remove();\n      return;\n    }\n    // if the element has attributes pointing to a non-local reference,\n    // need to remove the attribute\n    Object.values(['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'], function (attr) {\n      let val = node.getAttribute(attr);\n      if (val) {\n        val = getUrlFromAttr(val);\n        // simply check for first character being a '#'\n        if (val && val[0] !== '#') {\n          node.setAttribute(attr, '');\n          node.removeAttribute(attr);\n        }\n      }\n    });\n\n    // recurse to children\n    i = node.childNodes.length;\n    while (i--) { sanitizeSvg(node.childNodes.item(i)); }\n  // else (element not supported), remove it\n  } else {\n    // remove all children from this node and insert them before this node\n    // FIXME: in the case of animation elements this will hardly ever be correct\n    const children = [];\n    while (node.hasChildNodes()) {\n      children.push(parent.insertBefore(node.firstChild, node));\n    }\n\n    // remove this node from the document altogether\n    node.remove();\n\n    // call sanitizeSvg on each of those children\n    let i = children.length;\n    while (i--) { sanitizeSvg(children[i]); }\n  }\n};\n","/* globals jQuery */\n/**\n * Recalculate.\n * @module recalculate\n * @license MIT\n */\n\nimport jqPluginSVG from './jQuery.attr.js'; // Needed for SVG attribute setting and array form with `attr`\nimport {NS} from './namespaces.js';\nimport {convertToNum} from './units.js';\nimport {isWebkit} from './browser.js';\nimport {getTransformList} from './svgtransformlist.js';\nimport {getRotationAngle, getHref, getBBox, getRefElem} from './utilities.js';\nimport {BatchCommand, ChangeElementCommand} from './history.js';\nimport {remapElement} from './coords.js';\nimport {\n  isIdentity, matrixMultiply, transformPoint, transformListToTransform,\n  hasMatrixTransform\n} from './math.js';\n\nconst $ = jqPluginSVG(jQuery);\n\nlet context_;\n\n/**\n* @interface module:recalculate.EditorContext\n*/\n/**\n * @function module:recalculate.EditorContext#getSVGRoot\n * @returns {SVGSVGElement} The root DOM element\n */\n/**\n * @function module:recalculate.EditorContext#getStartTransform\n * @returns {string}\n*/\n/**\n * @function module:recalculate.EditorContext#setStartTransform\n * @param {string} transform\n * @returns {undefined}\n */\n\n/**\n* @function module:recalculate.init\n* @param {module:recalculate.EditorContext} editorContext\n* @returns {undefined}\n*/\nexport const init = function (editorContext) {\n  context_ = editorContext;\n};\n\n/**\n* Updates a `<clipPath>`s values based on the given translation of an element\n* @function module:recalculate.updateClipPath\n* @param {string} attr - The clip-path attribute value with the clipPath's ID\n* @param {Float} tx - The translation's x value\n* @param {Float} ty - The translation's y value\n* @returns {undefined}\n*/\nexport const updateClipPath = function (attr, tx, ty) {\n  const path = getRefElem(attr).firstChild;\n  const cpXform = getTransformList(path);\n  const newxlate = context_.getSVGRoot().createSVGTransform();\n  newxlate.setTranslate(tx, ty);\n\n  cpXform.appendItem(newxlate);\n\n  // Update clipPath's dimensions\n  recalculateDimensions(path);\n};\n\n/**\n* Decides the course of action based on the element's transform list\n* @function module:recalculate.recalculateDimensions\n* @param {Element} selected - The DOM element to recalculate\n* @returns {Command} Undo command object with the resulting change\n*/\nexport const recalculateDimensions = function (selected) {\n  if (selected == null) { return null; }\n\n  // Firefox Issue - 1081\n  if (selected.nodeName === 'svg' && navigator.userAgent.includes('Firefox/20')) {\n    return null;\n  }\n\n  const svgroot = context_.getSVGRoot();\n  const tlist = getTransformList(selected);\n\n  // remove any unnecessary transforms\n  if (tlist && tlist.numberOfItems > 0) {\n    let k = tlist.numberOfItems;\n    const noi = k;\n    while (k--) {\n      const xform = tlist.getItem(k);\n      if (xform.type === 0) {\n        tlist.removeItem(k);\n      // remove identity matrices\n      } else if (xform.type === 1) {\n        if (isIdentity(xform.matrix)) {\n          if (noi === 1) {\n            // Overcome Chrome bug (though only when noi is 1) with\n            //    `removeItem` preventing `removeAttribute` from\n            //    subsequently working\n            // See https://bugs.chromium.org/p/chromium/issues/detail?id=843901\n            selected.removeAttribute('transform');\n            return null;\n          }\n          tlist.removeItem(k);\n        }\n      // remove zero-degree rotations\n      } else if (xform.type === 4) {\n        if (xform.angle === 0) {\n          tlist.removeItem(k);\n        }\n      }\n    }\n    // End here if all it has is a rotation\n    if (tlist.numberOfItems === 1 &&\n        getRotationAngle(selected)) { return null; }\n  }\n\n  // if this element had no transforms, we are done\n  if (!tlist || tlist.numberOfItems === 0) {\n    // Chrome apparently had a bug that requires clearing the attribute first.\n    selected.setAttribute('transform', '');\n    // However, this still next line currently doesn't work at all in Chrome\n    selected.removeAttribute('transform');\n    // selected.transform.baseVal.clear(); // Didn't help for Chrome bug\n    return null;\n  }\n\n  // TODO: Make this work for more than 2\n  if (tlist) {\n    let mxs = [];\n    let k = tlist.numberOfItems;\n    while (k--) {\n      const xform = tlist.getItem(k);\n      if (xform.type === 1) {\n        mxs.push([xform.matrix, k]);\n      } else if (mxs.length) {\n        mxs = [];\n      }\n    }\n    if (mxs.length === 2) {\n      const mNew = svgroot.createSVGTransformFromMatrix(matrixMultiply(mxs[1][0], mxs[0][0]));\n      tlist.removeItem(mxs[0][1]);\n      tlist.removeItem(mxs[1][1]);\n      tlist.insertItemBefore(mNew, mxs[1][1]);\n    }\n\n    // combine matrix + translate\n    k = tlist.numberOfItems;\n    if (k >= 2 && tlist.getItem(k - 2).type === 1 && tlist.getItem(k - 1).type === 2) {\n      const mt = svgroot.createSVGTransform();\n\n      const m = matrixMultiply(\n        tlist.getItem(k - 2).matrix,\n        tlist.getItem(k - 1).matrix);\n      mt.setMatrix(m);\n      tlist.removeItem(k - 2);\n      tlist.removeItem(k - 2);\n      tlist.appendItem(mt);\n    }\n  }\n\n  // If it still has a single [M] or [R][M], return null too (prevents BatchCommand from being returned).\n  switch (selected.tagName) {\n  // Ignore these elements, as they can absorb the [M]\n  case 'line':\n  case 'polyline':\n  case 'polygon':\n  case 'path':\n    break;\n  default:\n    if ((tlist.numberOfItems === 1 && tlist.getItem(0).type === 1) ||\n        (tlist.numberOfItems === 2 && tlist.getItem(0).type === 1 && tlist.getItem(0).type === 4)) {\n      return null;\n    }\n  }\n\n  // Grouped SVG element\n  const gsvg = $(selected).data('gsvg');\n\n  // we know we have some transforms, so set up return variable\n  const batchCmd = new BatchCommand('Transform');\n\n  // store initial values that will be affected by reducing the transform list\n  let changes = {};\n  let initial = null;\n  let attrs = [];\n  switch (selected.tagName) {\n  case 'line':\n    attrs = ['x1', 'y1', 'x2', 'y2'];\n    break;\n  case 'circle':\n    attrs = ['cx', 'cy', 'r'];\n    break;\n  case 'ellipse':\n    attrs = ['cx', 'cy', 'rx', 'ry'];\n    break;\n  case 'foreignObject':\n  case 'rect':\n  case 'image':\n    attrs = ['width', 'height', 'x', 'y'];\n    break;\n  case 'use':\n  case 'text':\n  case 'tspan':\n    attrs = ['x', 'y'];\n    break;\n  case 'polygon':\n  case 'polyline': {\n    initial = {};\n    initial.points = selected.getAttribute('points');\n    const list = selected.points;\n    const len = list.numberOfItems;\n    changes.points = new Array(len);\n    for (let i = 0; i < len; ++i) {\n      const pt = list.getItem(i);\n      changes.points[i] = {x: pt.x, y: pt.y};\n    }\n    break;\n  } case 'path':\n    initial = {};\n    initial.d = selected.getAttribute('d');\n    changes.d = selected.getAttribute('d');\n    break;\n  } // switch on element type to get initial values\n\n  if (attrs.length) {\n    changes = $(selected).attr(attrs);\n    $.each(changes, function (attr, val) {\n      changes[attr] = convertToNum(attr, val);\n    });\n  } else if (gsvg) {\n    // GSVG exception\n    changes = {\n      x: $(gsvg).attr('x') || 0,\n      y: $(gsvg).attr('y') || 0\n    };\n  }\n\n  // if we haven't created an initial array in polygon/polyline/path, then\n  // make a copy of initial values and include the transform\n  if (initial == null) {\n    initial = $.extend(true, {}, changes);\n    $.each(initial, function (attr, val) {\n      initial[attr] = convertToNum(attr, val);\n    });\n  }\n  // save the start transform value too\n  initial.transform = context_.getStartTransform() || '';\n\n  let oldcenter, newcenter;\n\n  // if it's a regular group, we have special processing to flatten transforms\n  if ((selected.tagName === 'g' && !gsvg) || selected.tagName === 'a') {\n    const box = getBBox(selected);\n\n    oldcenter = {x: box.x + box.width / 2, y: box.y + box.height / 2};\n    newcenter = transformPoint(\n      box.x + box.width / 2,\n      box.y + box.height / 2,\n      transformListToTransform(tlist).matrix\n    );\n    // let m = svgroot.createSVGMatrix();\n\n    // temporarily strip off the rotate and save the old center\n    const gangle = getRotationAngle(selected);\n    if (gangle) {\n      const a = gangle * Math.PI / 180;\n      let s;\n      if (Math.abs(a) > (1.0e-10)) {\n        s = Math.sin(a) / (1 - Math.cos(a));\n      } else {\n        // FIXME: This blows up if the angle is exactly 0!\n        s = 2 / a;\n      }\n      for (let i = 0; i < tlist.numberOfItems; ++i) {\n        const xform = tlist.getItem(i);\n        if (xform.type === 4) {\n          // extract old center through mystical arts\n          const rm = xform.matrix;\n          oldcenter.y = (s * rm.e + rm.f) / 2;\n          oldcenter.x = (rm.e - s * rm.f) / 2;\n          tlist.removeItem(i);\n          break;\n        }\n      }\n    }\n    const N = tlist.numberOfItems;\n    let tx = 0, ty = 0, operation = 0;\n\n    let firstM;\n    if (N) {\n      firstM = tlist.getItem(0).matrix;\n    }\n\n    let oldStartTransform;\n    // first, if it was a scale then the second-last transform will be it\n    if (N >= 3 && tlist.getItem(N - 2).type === 3 &&\n      tlist.getItem(N - 3).type === 2 && tlist.getItem(N - 1).type === 2) {\n      operation = 3; // scale\n\n      // if the children are unrotated, pass the scale down directly\n      // otherwise pass the equivalent matrix() down directly\n      const tm = tlist.getItem(N - 3).matrix,\n        sm = tlist.getItem(N - 2).matrix,\n        tmn = tlist.getItem(N - 1).matrix;\n\n      const children = selected.childNodes;\n      let c = children.length;\n      while (c--) {\n        const child = children.item(c);\n        tx = 0;\n        ty = 0;\n        if (child.nodeType === 1) {\n          const childTlist = getTransformList(child);\n\n          // some children might not have a transform (<metadata>, <defs>, etc)\n          if (!childTlist) { continue; }\n\n          const m = transformListToTransform(childTlist).matrix;\n\n          // Convert a matrix to a scale if applicable\n          // if (hasMatrixTransform(childTlist) && childTlist.numberOfItems == 1) {\n          //   if (m.b==0 && m.c==0 && m.e==0 && m.f==0) {\n          //     childTlist.removeItem(0);\n          //     const translateOrigin = svgroot.createSVGTransform(),\n          //       scale = svgroot.createSVGTransform(),\n          //       translateBack = svgroot.createSVGTransform();\n          //     translateOrigin.setTranslate(0, 0);\n          //     scale.setScale(m.a, m.d);\n          //     translateBack.setTranslate(0, 0);\n          //     childTlist.appendItem(translateBack);\n          //     childTlist.appendItem(scale);\n          //     childTlist.appendItem(translateOrigin);\n          //   }\n          // }\n\n          const angle = getRotationAngle(child);\n          oldStartTransform = context_.getStartTransform();\n          const childxforms = [];\n          context_.setStartTransform(child.getAttribute('transform'));\n          if (angle || hasMatrixTransform(childTlist)) {\n            const e2t = svgroot.createSVGTransform();\n            e2t.setMatrix(matrixMultiply(tm, sm, tmn, m));\n            childTlist.clear();\n            childTlist.appendItem(e2t);\n            childxforms.push(e2t);\n          // if not rotated or skewed, push the [T][S][-T] down to the child\n          } else {\n            // update the transform list with translate,scale,translate\n\n            // slide the [T][S][-T] from the front to the back\n            // [T][S][-T][M] = [M][T2][S2][-T2]\n\n            // (only bringing [-T] to the right of [M])\n            // [T][S][-T][M] = [T][S][M][-T2]\n            // [-T2] = [M_inv][-T][M]\n            const t2n = matrixMultiply(m.inverse(), tmn, m);\n            // [T2] is always negative translation of [-T2]\n            const t2 = svgroot.createSVGMatrix();\n            t2.e = -t2n.e;\n            t2.f = -t2n.f;\n\n            // [T][S][-T][M] = [M][T2][S2][-T2]\n            // [S2] = [T2_inv][M_inv][T][S][-T][M][-T2_inv]\n            const s2 = matrixMultiply(t2.inverse(), m.inverse(), tm, sm, tmn, m, t2n.inverse());\n\n            const translateOrigin = svgroot.createSVGTransform(),\n              scale = svgroot.createSVGTransform(),\n              translateBack = svgroot.createSVGTransform();\n            translateOrigin.setTranslate(t2n.e, t2n.f);\n            scale.setScale(s2.a, s2.d);\n            translateBack.setTranslate(t2.e, t2.f);\n            childTlist.appendItem(translateBack);\n            childTlist.appendItem(scale);\n            childTlist.appendItem(translateOrigin);\n            childxforms.push(translateBack);\n            childxforms.push(scale);\n            childxforms.push(translateOrigin);\n            // logMatrix(translateBack.matrix);\n            // logMatrix(scale.matrix);\n          } // not rotated\n          batchCmd.addSubCommand(recalculateDimensions(child));\n          // TODO: If any <use> have this group as a parent and are\n          // referencing this child, then we need to impose a reverse\n          // scale on it so that when it won't get double-translated\n          // const uses = selected.getElementsByTagNameNS(NS.SVG, 'use');\n          // const href = '#' + child.id;\n          // let u = uses.length;\n          // while (u--) {\n          //   const useElem = uses.item(u);\n          //   if (href == getHref(useElem)) {\n          //     const usexlate = svgroot.createSVGTransform();\n          //     usexlate.setTranslate(-tx,-ty);\n          //     getTransformList(useElem).insertItemBefore(usexlate,0);\n          //     batchCmd.addSubCommand( recalculateDimensions(useElem) );\n          //   }\n          // }\n          context_.setStartTransform(oldStartTransform);\n        } // element\n      } // for each child\n      // Remove these transforms from group\n      tlist.removeItem(N - 1);\n      tlist.removeItem(N - 2);\n      tlist.removeItem(N - 3);\n    } else if (N >= 3 && tlist.getItem(N - 1).type === 1) {\n      operation = 3; // scale\n      const m = transformListToTransform(tlist).matrix;\n      const e2t = svgroot.createSVGTransform();\n      e2t.setMatrix(m);\n      tlist.clear();\n      tlist.appendItem(e2t);\n    // next, check if the first transform was a translate\n    // if we had [ T1 ] [ M ] we want to transform this into [ M ] [ T2 ]\n    // therefore [ T2 ] = [ M_inv ] [ T1 ] [ M ]\n    } else if ((N === 1 || (N > 1 && tlist.getItem(1).type !== 3)) &&\n      tlist.getItem(0).type === 2) {\n      operation = 2; // translate\n      const T_M = transformListToTransform(tlist).matrix;\n      tlist.removeItem(0);\n      const mInv = transformListToTransform(tlist).matrix.inverse();\n      const M2 = matrixMultiply(mInv, T_M);\n\n      tx = M2.e;\n      ty = M2.f;\n\n      if (tx !== 0 || ty !== 0) {\n        // we pass the translates down to the individual children\n        const children = selected.childNodes;\n        let c = children.length;\n\n        const clipPathsDone = [];\n        while (c--) {\n          const child = children.item(c);\n          if (child.nodeType === 1) {\n            // Check if child has clip-path\n            if (child.getAttribute('clip-path')) {\n              // tx, ty\n              const attr = child.getAttribute('clip-path');\n              if (!clipPathsDone.includes(attr)) {\n                updateClipPath(attr, tx, ty);\n                clipPathsDone.push(attr);\n              }\n            }\n\n            oldStartTransform = context_.getStartTransform();\n            context_.setStartTransform(child.getAttribute('transform'));\n\n            const childTlist = getTransformList(child);\n            // some children might not have a transform (<metadata>, <defs>, etc)\n            if (childTlist) {\n              const newxlate = svgroot.createSVGTransform();\n              newxlate.setTranslate(tx, ty);\n              if (childTlist.numberOfItems) {\n                childTlist.insertItemBefore(newxlate, 0);\n              } else {\n                childTlist.appendItem(newxlate);\n              }\n              batchCmd.addSubCommand(recalculateDimensions(child));\n              // If any <use> have this group as a parent and are\n              // referencing this child, then impose a reverse translate on it\n              // so that when it won't get double-translated\n              const uses = selected.getElementsByTagNameNS(NS.SVG, 'use');\n              const href = '#' + child.id;\n              let u = uses.length;\n              while (u--) {\n                const useElem = uses.item(u);\n                if (href === getHref(useElem)) {\n                  const usexlate = svgroot.createSVGTransform();\n                  usexlate.setTranslate(-tx, -ty);\n                  getTransformList(useElem).insertItemBefore(usexlate, 0);\n                  batchCmd.addSubCommand(recalculateDimensions(useElem));\n                }\n              }\n              context_.setStartTransform(oldStartTransform);\n            }\n          }\n        }\n        context_.setStartTransform(oldStartTransform);\n      }\n    // else, a matrix imposition from a parent group\n    // keep pushing it down to the children\n    } else if (N === 1 && tlist.getItem(0).type === 1 && !gangle) {\n      operation = 1;\n      const m = tlist.getItem(0).matrix,\n        children = selected.childNodes;\n      let c = children.length;\n      while (c--) {\n        const child = children.item(c);\n        if (child.nodeType === 1) {\n          oldStartTransform = context_.getStartTransform();\n          context_.setStartTransform(child.getAttribute('transform'));\n          const childTlist = getTransformList(child);\n\n          if (!childTlist) { continue; }\n\n          const em = matrixMultiply(m, transformListToTransform(childTlist).matrix);\n          const e2m = svgroot.createSVGTransform();\n          e2m.setMatrix(em);\n          childTlist.clear();\n          childTlist.appendItem(e2m, 0);\n\n          batchCmd.addSubCommand(recalculateDimensions(child));\n          context_.setStartTransform(oldStartTransform);\n\n          // Convert stroke\n          // TODO: Find out if this should actually happen somewhere else\n          const sw = child.getAttribute('stroke-width');\n          if (child.getAttribute('stroke') !== 'none' && !isNaN(sw)) {\n            const avg = (Math.abs(em.a) + Math.abs(em.d)) / 2;\n            child.setAttribute('stroke-width', sw * avg);\n          }\n        }\n      }\n      tlist.clear();\n    // else it was just a rotate\n    } else {\n      if (gangle) {\n        const newRot = svgroot.createSVGTransform();\n        newRot.setRotate(gangle, newcenter.x, newcenter.y);\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(newRot, 0);\n        } else {\n          tlist.appendItem(newRot);\n        }\n      }\n      if (tlist.numberOfItems === 0) {\n        selected.removeAttribute('transform');\n      }\n      return null;\n    }\n\n    // if it was a translate, put back the rotate at the new center\n    if (operation === 2) {\n      if (gangle) {\n        newcenter = {\n          x: oldcenter.x + firstM.e,\n          y: oldcenter.y + firstM.f\n        };\n\n        const newRot = svgroot.createSVGTransform();\n        newRot.setRotate(gangle, newcenter.x, newcenter.y);\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(newRot, 0);\n        } else {\n          tlist.appendItem(newRot);\n        }\n      }\n    // if it was a resize\n    } else if (operation === 3) {\n      const m = transformListToTransform(tlist).matrix;\n      const roldt = svgroot.createSVGTransform();\n      roldt.setRotate(gangle, oldcenter.x, oldcenter.y);\n      const rold = roldt.matrix;\n      const rnew = svgroot.createSVGTransform();\n      rnew.setRotate(gangle, newcenter.x, newcenter.y);\n      const rnewInv = rnew.matrix.inverse(),\n        mInv = m.inverse(),\n        extrat = matrixMultiply(mInv, rnewInv, rold, m);\n\n      tx = extrat.e;\n      ty = extrat.f;\n\n      if (tx !== 0 || ty !== 0) {\n        // now push this transform down to the children\n        // we pass the translates down to the individual children\n        const children = selected.childNodes;\n        let c = children.length;\n        while (c--) {\n          const child = children.item(c);\n          if (child.nodeType === 1) {\n            oldStartTransform = context_.getStartTransform();\n            context_.setStartTransform(child.getAttribute('transform'));\n            const childTlist = getTransformList(child);\n            const newxlate = svgroot.createSVGTransform();\n            newxlate.setTranslate(tx, ty);\n            if (childTlist.numberOfItems) {\n              childTlist.insertItemBefore(newxlate, 0);\n            } else {\n              childTlist.appendItem(newxlate);\n            }\n\n            batchCmd.addSubCommand(recalculateDimensions(child));\n            context_.setStartTransform(oldStartTransform);\n          }\n        }\n      }\n\n      if (gangle) {\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(rnew, 0);\n        } else {\n          tlist.appendItem(rnew);\n        }\n      }\n    }\n  // else, it's a non-group\n  } else {\n    // FIXME: box might be null for some elements (<metadata> etc), need to handle this\n    const box = getBBox(selected);\n\n    // Paths (and possbly other shapes) will have no BBox while still in <defs>,\n    // but we still may need to recalculate them (see issue 595).\n    // TODO: Figure out how to get BBox from these elements in case they\n    // have a rotation transform\n\n    if (!box && selected.tagName !== 'path') return null;\n\n    let m; // = svgroot.createSVGMatrix();\n    // temporarily strip off the rotate and save the old center\n    const angle = getRotationAngle(selected);\n    if (angle) {\n      oldcenter = {x: box.x + box.width / 2, y: box.y + box.height / 2};\n      newcenter = transformPoint(\n        box.x + box.width / 2,\n        box.y + box.height / 2,\n        transformListToTransform(tlist).matrix\n      );\n\n      const a = angle * Math.PI / 180;\n      const s = (Math.abs(a) > (1.0e-10))\n        ? Math.sin(a) / (1 - Math.cos(a))\n        // FIXME: This blows up if the angle is exactly 0!\n        : 2 / a;\n\n      for (let i = 0; i < tlist.numberOfItems; ++i) {\n        const xform = tlist.getItem(i);\n        if (xform.type === 4) {\n          // extract old center through mystical arts\n          const rm = xform.matrix;\n          oldcenter.y = (s * rm.e + rm.f) / 2;\n          oldcenter.x = (rm.e - s * rm.f) / 2;\n          tlist.removeItem(i);\n          break;\n        }\n      }\n    }\n\n    // 2 = translate, 3 = scale, 4 = rotate, 1 = matrix imposition\n    let operation = 0;\n    const N = tlist.numberOfItems;\n\n    // Check if it has a gradient with userSpaceOnUse, in which case\n    // adjust it by recalculating the matrix transform.\n    // TODO: Make this work in Webkit using transformlist.SVGTransformList\n    if (!isWebkit()) {\n      const fill = selected.getAttribute('fill');\n      if (fill && fill.startsWith('url(')) {\n        const paint = getRefElem(fill);\n        let type = 'pattern';\n        if (paint.tagName !== type) type = 'gradient';\n        const attrVal = paint.getAttribute(type + 'Units');\n        if (attrVal === 'userSpaceOnUse') {\n          // Update the userSpaceOnUse element\n          m = transformListToTransform(tlist).matrix;\n          const gtlist = getTransformList(paint);\n          const gmatrix = transformListToTransform(gtlist).matrix;\n          m = matrixMultiply(m, gmatrix);\n          const mStr = 'matrix(' + [m.a, m.b, m.c, m.d, m.e, m.f].join(',') + ')';\n          paint.setAttribute(type + 'Transform', mStr);\n        }\n      }\n    }\n\n    // first, if it was a scale of a non-skewed element, then the second-last\n    // transform will be the [S]\n    // if we had [M][T][S][T] we want to extract the matrix equivalent of\n    // [T][S][T] and push it down to the element\n    if (N >= 3 && tlist.getItem(N - 2).type === 3 &&\n      tlist.getItem(N - 3).type === 2 && tlist.getItem(N - 1).type === 2) {\n      // Removed this so a <use> with a given [T][S][T] would convert to a matrix.\n      // Is that bad?\n      //  && selected.nodeName != 'use'\n      operation = 3; // scale\n      m = transformListToTransform(tlist, N - 3, N - 1).matrix;\n      tlist.removeItem(N - 1);\n      tlist.removeItem(N - 2);\n      tlist.removeItem(N - 3);\n    // if we had [T][S][-T][M], then this was a skewed element being resized\n    // Thus, we simply combine it all into one matrix\n    } else if (N === 4 && tlist.getItem(N - 1).type === 1) {\n      operation = 3; // scale\n      m = transformListToTransform(tlist).matrix;\n      const e2t = svgroot.createSVGTransform();\n      e2t.setMatrix(m);\n      tlist.clear();\n      tlist.appendItem(e2t);\n      // reset the matrix so that the element is not re-mapped\n      m = svgroot.createSVGMatrix();\n    // if we had [R][T][S][-T][M], then this was a rotated matrix-element\n    // if we had [T1][M] we want to transform this into [M][T2]\n    // therefore [ T2 ] = [ M_inv ] [ T1 ] [ M ] and we can push [T2]\n    // down to the element\n    } else if ((N === 1 || (N > 1 && tlist.getItem(1).type !== 3)) &&\n      tlist.getItem(0).type === 2) {\n      operation = 2; // translate\n      const oldxlate = tlist.getItem(0).matrix,\n        meq = transformListToTransform(tlist, 1).matrix,\n        meqInv = meq.inverse();\n      m = matrixMultiply(meqInv, oldxlate, meq);\n      tlist.removeItem(0);\n    // else if this child now has a matrix imposition (from a parent group)\n    // we might be able to simplify\n    } else if (N === 1 && tlist.getItem(0).type === 1 && !angle) {\n      // Remap all point-based elements\n      m = transformListToTransform(tlist).matrix;\n      switch (selected.tagName) {\n      case 'line':\n        changes = $(selected).attr(['x1', 'y1', 'x2', 'y2']);\n        // Fallthrough\n      case 'polyline':\n      case 'polygon':\n        changes.points = selected.getAttribute('points');\n        if (changes.points) {\n          const list = selected.points;\n          const len = list.numberOfItems;\n          changes.points = new Array(len);\n          for (let i = 0; i < len; ++i) {\n            const pt = list.getItem(i);\n            changes.points[i] = {x: pt.x, y: pt.y};\n          }\n        }\n        // Fallthrough\n      case 'path':\n        changes.d = selected.getAttribute('d');\n        operation = 1;\n        tlist.clear();\n        break;\n      default:\n        break;\n      }\n    // if it was a rotation, put the rotate back and return without a command\n    // (this function has zero work to do for a rotate())\n    } else {\n      // operation = 4; // rotation\n      if (angle) {\n        const newRot = svgroot.createSVGTransform();\n        newRot.setRotate(angle, newcenter.x, newcenter.y);\n\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(newRot, 0);\n        } else {\n          tlist.appendItem(newRot);\n        }\n      }\n      if (tlist.numberOfItems === 0) {\n        selected.removeAttribute('transform');\n      }\n      return null;\n    }\n\n    // if it was a translate or resize, we need to remap the element and absorb the xform\n    if (operation === 1 || operation === 2 || operation === 3) {\n      remapElement(selected, changes, m);\n    } // if we are remapping\n\n    // if it was a translate, put back the rotate at the new center\n    if (operation === 2) {\n      if (angle) {\n        if (!hasMatrixTransform(tlist)) {\n          newcenter = {\n            x: oldcenter.x + m.e,\n            y: oldcenter.y + m.f\n          };\n        }\n        const newRot = svgroot.createSVGTransform();\n        newRot.setRotate(angle, newcenter.x, newcenter.y);\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(newRot, 0);\n        } else {\n          tlist.appendItem(newRot);\n        }\n      }\n      // We have special processing for tspans:  Tspans are not transformable\n      // but they can have x,y coordinates (sigh).  Thus, if this was a translate,\n      // on a text element, also translate any tspan children.\n      if (selected.tagName === 'text') {\n        const children = selected.childNodes;\n        let c = children.length;\n        while (c--) {\n          const child = children.item(c);\n          if (child.tagName === 'tspan') {\n            const tspanChanges = {\n              x: $(child).attr('x') || 0,\n              y: $(child).attr('y') || 0\n            };\n            remapElement(child, tspanChanges, m);\n          }\n        }\n      }\n    // [Rold][M][T][S][-T] became [Rold][M]\n    // we want it to be [Rnew][M][Tr] where Tr is the\n    // translation required to re-center it\n    // Therefore, [Tr] = [M_inv][Rnew_inv][Rold][M]\n    } else if (operation === 3 && angle) {\n      const m = transformListToTransform(tlist).matrix;\n      const roldt = svgroot.createSVGTransform();\n      roldt.setRotate(angle, oldcenter.x, oldcenter.y);\n      const rold = roldt.matrix;\n      const rnew = svgroot.createSVGTransform();\n      rnew.setRotate(angle, newcenter.x, newcenter.y);\n      const rnewInv = rnew.matrix.inverse();\n      const mInv = m.inverse();\n      const extrat = matrixMultiply(mInv, rnewInv, rold, m);\n\n      remapElement(selected, changes, extrat);\n      if (angle) {\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(rnew, 0);\n        } else {\n          tlist.appendItem(rnew);\n        }\n      }\n    }\n  } // a non-group\n\n  // if the transform list has been emptied, remove it\n  if (tlist.numberOfItems === 0) {\n    selected.removeAttribute('transform');\n  }\n\n  batchCmd.addSubCommand(new ChangeElementCommand(selected, initial));\n\n  return batchCmd;\n};\n","/* globals jQuery */\n/**\n * DOM element selection box tools\n * @module select\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport {isTouch, isWebkit} from './browser.js'; // , isOpera\nimport {getRotationAngle, getBBox, getStrokedBBox} from './utilities.js';\nimport {transformListToTransform, transformBox, transformPoint} from './math.js';\nimport {getTransformList} from './svgtransformlist.js';\n\nconst $ = jQuery;\n\nlet svgFactory_;\nlet config_;\nlet selectorManager_; // A Singleton\nconst gripRadius = isTouch() ? 10 : 4;\n\n/**\n* Private class for DOM element selection boxes\n*/\nexport class Selector {\n  /**\n  * @param {Integer} id - Internally identify the selector\n  * @param {Element} elem - DOM element associated with this selector\n  * @param {module:utilities.BBoxObject} [bbox] - Optional bbox to use for initialization (prevents duplicate `getBBox` call).\n  */\n  constructor (id, elem, bbox) {\n    // this is the selector's unique number\n    this.id = id;\n\n    // this holds a reference to the element for which this selector is being used\n    this.selectedElement = elem;\n\n    // this is a flag used internally to track whether the selector is being used or not\n    this.locked = true;\n\n    // this holds a reference to the <g> element that holds all visual elements of the selector\n    this.selectorGroup = svgFactory_.createSVGElement({\n      element: 'g',\n      attr: {id: ('selectorGroup' + this.id)}\n    });\n\n    // this holds a reference to the path rect\n    this.selectorRect = this.selectorGroup.appendChild(\n      svgFactory_.createSVGElement({\n        element: 'path',\n        attr: {\n          id: ('selectedBox' + this.id),\n          fill: 'none',\n          stroke: '#22C',\n          'stroke-width': '1',\n          'stroke-dasharray': '5,5',\n          // need to specify this so that the rect is not selectable\n          style: 'pointer-events:none'\n        }\n      })\n    );\n\n    // this holds a reference to the grip coordinates for this selector\n    this.gripCoords = {\n      nw: null,\n      n: null,\n      ne: null,\n      e: null,\n      se: null,\n      s: null,\n      sw: null,\n      w: null\n    };\n\n    this.reset(this.selectedElement, bbox);\n  }\n\n  /**\n  * Used to reset the id and element that the selector is attached to\n  * @param {Element} e - DOM element associated with this selector\n  * @param {module:utilities.BBoxObject} bbox - Optional bbox to use for reset (prevents duplicate getBBox call).\n  */\n  reset (e, bbox) {\n    this.locked = true;\n    this.selectedElement = e;\n    this.resize(bbox);\n    this.selectorGroup.setAttribute('display', 'inline');\n  }\n\n  /**\n  * Updates cursors for corner grips on rotation so arrows point the right way\n  * @param {Float} angle - Current rotation angle in degrees\n  */\n  updateGripCursors (angle) {\n    let dir;\n    const dirArr = [];\n    let steps = Math.round(angle / 45);\n    if (steps < 0) { steps += 8; }\n    for (dir in selectorManager_.selectorGrips) {\n      dirArr.push(dir);\n    }\n    while (steps > 0) {\n      dirArr.push(dirArr.shift());\n      steps--;\n    }\n    let i = 0;\n    for (dir in selectorManager_.selectorGrips) {\n      selectorManager_.selectorGrips[dir].setAttribute('style', ('cursor:' + dirArr[i] + '-resize'));\n      i++;\n    }\n  }\n\n  /**\n  * Show the resize grips of this selector\n  *\n  * @param {boolean} show - Indicates whether grips should be shown or not\n  */\n  showGrips (show) {\n    const bShow = show ? 'inline' : 'none';\n    selectorManager_.selectorGripsGroup.setAttribute('display', bShow);\n    const elem = this.selectedElement;\n    this.hasGrips = show;\n    if (elem && show) {\n      this.selectorGroup.append(selectorManager_.selectorGripsGroup);\n      this.updateGripCursors(getRotationAngle(elem));\n    }\n  }\n\n  /**\n  * Updates the selector to match the element's size\n  * @param {module:utilities.BBoxObject} [bbox] - BBox to use for resize (prevents duplicate getBBox call).\n  */\n  resize (bbox) {\n    const selectedBox = this.selectorRect,\n      mgr = selectorManager_,\n      selectedGrips = mgr.selectorGrips,\n      selected = this.selectedElement,\n      sw = selected.getAttribute('stroke-width'),\n      currentZoom = svgFactory_.getCurrentZoom();\n    let offset = 1 / currentZoom;\n    if (selected.getAttribute('stroke') !== 'none' && !isNaN(sw)) {\n      offset += (sw / 2);\n    }\n\n    const {tagName} = selected;\n    if (tagName === 'text') {\n      offset += 2 / currentZoom;\n    }\n\n    // loop and transform our bounding box until we reach our first rotation\n    const tlist = getTransformList(selected);\n    const m = transformListToTransform(tlist).matrix;\n\n    // This should probably be handled somewhere else, but for now\n    // it keeps the selection box correctly positioned when zoomed\n    m.e *= currentZoom;\n    m.f *= currentZoom;\n\n    if (!bbox) {\n      bbox = getBBox(selected);\n    }\n    // TODO: getBBox (previous line) already knows to call getStrokedBBox when tagName === 'g'. Remove this?\n    // TODO: getBBox doesn't exclude 'gsvg' and calls getStrokedBBox for any 'g'. Should getBBox be updated?\n    if (tagName === 'g' && !$.data(selected, 'gsvg')) {\n      // The bbox for a group does not include stroke vals, so we\n      // get the bbox based on its children.\n      const strokedBbox = getStrokedBBox([selected.childNodes]);\n      if (strokedBbox) {\n        bbox = strokedBbox;\n      }\n    }\n\n    // apply the transforms\n    const l = bbox.x, t = bbox.y, w = bbox.width, h = bbox.height;\n    // bbox = {x: l, y: t, width: w, height: h}; // Not in use\n\n    // we need to handle temporary transforms too\n    // if skewed, get its transformed box, then find its axis-aligned bbox\n\n    // *\n    offset *= currentZoom;\n\n    const nbox = transformBox(l * currentZoom, t * currentZoom, w * currentZoom, h * currentZoom, m),\n      {aabox} = nbox;\n    let nbax = aabox.x - offset,\n      nbay = aabox.y - offset,\n      nbaw = aabox.width + (offset * 2),\n      nbah = aabox.height + (offset * 2);\n\n    // now if the shape is rotated, un-rotate it\n    const cx = nbax + nbaw / 2,\n      cy = nbay + nbah / 2;\n\n    const angle = getRotationAngle(selected);\n    if (angle) {\n      const rot = svgFactory_.svgRoot().createSVGTransform();\n      rot.setRotate(-angle, cx, cy);\n      const rotm = rot.matrix;\n      nbox.tl = transformPoint(nbox.tl.x, nbox.tl.y, rotm);\n      nbox.tr = transformPoint(nbox.tr.x, nbox.tr.y, rotm);\n      nbox.bl = transformPoint(nbox.bl.x, nbox.bl.y, rotm);\n      nbox.br = transformPoint(nbox.br.x, nbox.br.y, rotm);\n\n      // calculate the axis-aligned bbox\n      const {tl} = nbox;\n      let minx = tl.x,\n        miny = tl.y,\n        maxx = tl.x,\n        maxy = tl.y;\n\n      const {min, max} = Math;\n\n      minx = min(minx, min(nbox.tr.x, min(nbox.bl.x, nbox.br.x))) - offset;\n      miny = min(miny, min(nbox.tr.y, min(nbox.bl.y, nbox.br.y))) - offset;\n      maxx = max(maxx, max(nbox.tr.x, max(nbox.bl.x, nbox.br.x))) + offset;\n      maxy = max(maxy, max(nbox.tr.y, max(nbox.bl.y, nbox.br.y))) + offset;\n\n      nbax = minx;\n      nbay = miny;\n      nbaw = (maxx - minx);\n      nbah = (maxy - miny);\n    }\n\n    const dstr = 'M' + nbax + ',' + nbay +\n      ' L' + (nbax + nbaw) + ',' + nbay +\n      ' ' + (nbax + nbaw) + ',' + (nbay + nbah) +\n      ' ' + nbax + ',' + (nbay + nbah) + 'z';\n    selectedBox.setAttribute('d', dstr);\n\n    const xform = angle ? 'rotate(' + [angle, cx, cy].join(',') + ')' : '';\n    this.selectorGroup.setAttribute('transform', xform);\n\n    // TODO(codedread): Is this needed?\n    //  if (selected === selectedElements[0]) {\n    this.gripCoords = {\n      nw: [nbax, nbay],\n      ne: [nbax + nbaw, nbay],\n      sw: [nbax, nbay + nbah],\n      se: [nbax + nbaw, nbay + nbah],\n      n: [nbax + (nbaw) / 2, nbay],\n      w: [nbax, nbay + (nbah) / 2],\n      e: [nbax + nbaw, nbay + (nbah) / 2],\n      s: [nbax + (nbaw) / 2, nbay + nbah]\n    };\n    for (const dir in this.gripCoords) {\n      const coords = this.gripCoords[dir];\n      selectedGrips[dir].setAttribute('cx', coords[0]);\n      selectedGrips[dir].setAttribute('cy', coords[1]);\n    }\n\n    // we want to go 20 pixels in the negative transformed y direction, ignoring scale\n    mgr.rotateGripConnector.setAttribute('x1', nbax + (nbaw) / 2);\n    mgr.rotateGripConnector.setAttribute('y1', nbay);\n    mgr.rotateGripConnector.setAttribute('x2', nbax + (nbaw) / 2);\n    mgr.rotateGripConnector.setAttribute('y2', nbay - (gripRadius * 5));\n\n    mgr.rotateGrip.setAttribute('cx', nbax + (nbaw) / 2);\n    mgr.rotateGrip.setAttribute('cy', nbay - (gripRadius * 5));\n    // }\n  }\n}\n\n/**\n* Manage all selector objects (selection boxes)\n*/\nexport class SelectorManager {\n  constructor () {\n    // this will hold the <g> element that contains all selector rects/grips\n    this.selectorParentGroup = null;\n\n    // this is a special rect that is used for multi-select\n    this.rubberBandBox = null;\n\n    // this will hold objects of type Selector (see above)\n    this.selectors = [];\n\n    // this holds a map of SVG elements to their Selector object\n    this.selectorMap = {};\n\n    // this holds a reference to the grip elements\n    this.selectorGrips = {\n      nw: null,\n      n: null,\n      ne: null,\n      e: null,\n      se: null,\n      s: null,\n      sw: null,\n      w: null\n    };\n\n    this.selectorGripsGroup = null;\n    this.rotateGripConnector = null;\n    this.rotateGrip = null;\n\n    this.initGroup();\n  }\n\n  /**\n  * Resets the parent selector group element\n  */\n  initGroup () {\n    // remove old selector parent group if it existed\n    if (this.selectorParentGroup && this.selectorParentGroup.parentNode) {\n      this.selectorParentGroup.remove();\n    }\n\n    // create parent selector group and add it to svgroot\n    this.selectorParentGroup = svgFactory_.createSVGElement({\n      element: 'g',\n      attr: {id: 'selectorParentGroup'}\n    });\n    this.selectorGripsGroup = svgFactory_.createSVGElement({\n      element: 'g',\n      attr: {display: 'none'}\n    });\n    this.selectorParentGroup.append(this.selectorGripsGroup);\n    svgFactory_.svgRoot().append(this.selectorParentGroup);\n\n    this.selectorMap = {};\n    this.selectors = [];\n    this.rubberBandBox = null;\n\n    // add the corner grips\n    for (const dir in this.selectorGrips) {\n      const grip = svgFactory_.createSVGElement({\n        element: 'circle',\n        attr: {\n          id: ('selectorGrip_resize_' + dir),\n          fill: '#22C',\n          r: gripRadius,\n          style: ('cursor:' + dir + '-resize'),\n          // This expands the mouse-able area of the grips making them\n          // easier to grab with the mouse.\n          // This works in Opera and WebKit, but does not work in Firefox\n          // see https://bugzilla.mozilla.org/show_bug.cgi?id=500174\n          'stroke-width': 2,\n          'pointer-events': 'all'\n        }\n      });\n\n      $.data(grip, 'dir', dir);\n      $.data(grip, 'type', 'resize');\n      this.selectorGrips[dir] = this.selectorGripsGroup.appendChild(grip);\n    }\n\n    // add rotator elems\n    this.rotateGripConnector = this.selectorGripsGroup.appendChild(\n      svgFactory_.createSVGElement({\n        element: 'line',\n        attr: {\n          id: ('selectorGrip_rotateconnector'),\n          stroke: '#22C',\n          'stroke-width': '1'\n        }\n      })\n    );\n\n    this.rotateGrip = this.selectorGripsGroup.appendChild(\n      svgFactory_.createSVGElement({\n        element: 'circle',\n        attr: {\n          id: 'selectorGrip_rotate',\n          fill: 'lime',\n          r: gripRadius,\n          stroke: '#22C',\n          'stroke-width': 2,\n          style: 'cursor:url(' + config_.imgPath + 'rotate.png) 12 12, auto;'\n        }\n      })\n    );\n    $.data(this.rotateGrip, 'type', 'rotate');\n\n    if ($('#canvasBackground').length) { return; }\n\n    const [width, height] = config_.dimensions;\n    const canvasbg = svgFactory_.createSVGElement({\n      element: 'svg',\n      attr: {\n        id: 'canvasBackground',\n        width,\n        height,\n        x: 0,\n        y: 0,\n        overflow: (isWebkit() ? 'none' : 'visible'), // Chrome 7 has a problem with this when zooming out\n        style: 'pointer-events:none'\n      }\n    });\n\n    const rect = svgFactory_.createSVGElement({\n      element: 'rect',\n      attr: {\n        width: '100%',\n        height: '100%',\n        x: 0,\n        y: 0,\n        'stroke-width': 1,\n        stroke: '#000',\n        fill: '#FFF',\n        style: 'pointer-events:none'\n      }\n    });\n\n    // Both Firefox and WebKit are too slow with this filter region (especially at higher\n    // zoom levels) and Opera has at least one bug\n    // if (!isOpera()) rect.setAttribute('filter', 'url(#canvashadow)');\n    canvasbg.append(rect);\n    svgFactory_.svgRoot().insertBefore(canvasbg, svgFactory_.svgContent());\n    // Ok to replace above with `svgFactory_.svgContent().before(canvasbg);`?\n  }\n\n  /**\n  *\n  * @param {Element} elem - DOM element to get the selector for\n  * @param {module:utilities.BBoxObject} [bbox] - Optional bbox to use for reset (prevents duplicate getBBox call).\n  * @returns {Selector} The selector based on the given element\n  */\n  requestSelector (elem, bbox) {\n    if (elem == null) { return null; }\n\n    const N = this.selectors.length;\n    // If we've already acquired one for this element, return it.\n    if (typeof this.selectorMap[elem.id] === 'object') {\n      this.selectorMap[elem.id].locked = true;\n      return this.selectorMap[elem.id];\n    }\n    for (let i = 0; i < N; ++i) {\n      if (this.selectors[i] && !this.selectors[i].locked) {\n        this.selectors[i].locked = true;\n        this.selectors[i].reset(elem, bbox);\n        this.selectorMap[elem.id] = this.selectors[i];\n        return this.selectors[i];\n      }\n    }\n    // if we reached here, no available selectors were found, we create one\n    this.selectors[N] = new Selector(N, elem, bbox);\n    this.selectorParentGroup.append(this.selectors[N].selectorGroup);\n    this.selectorMap[elem.id] = this.selectors[N];\n    return this.selectors[N];\n  }\n\n  /**\n  * Removes the selector of the given element (hides selection box)\n  *\n  * @param {Element} elem - DOM element to remove the selector for\n  */\n  releaseSelector (elem) {\n    if (elem == null) { return; }\n    const N = this.selectors.length,\n      sel = this.selectorMap[elem.id];\n    if (!sel.locked) {\n      // TODO(codedread): Ensure this exists in this module.\n      console.log('WARNING! selector was released but was already unlocked');\n    }\n    for (let i = 0; i < N; ++i) {\n      if (this.selectors[i] && this.selectors[i] === sel) {\n        delete this.selectorMap[elem.id];\n        sel.locked = false;\n        sel.selectedElement = null;\n        sel.showGrips(false);\n\n        // remove from DOM and store reference in JS but only if it exists in the DOM\n        try {\n          sel.selectorGroup.setAttribute('display', 'none');\n        } catch (e) {}\n\n        break;\n      }\n    }\n  }\n\n  /**\n  * @returns {SVGRectElement} The rubberBandBox DOM element. This is the rectangle drawn by\n  * the user for selecting/zooming\n  */\n  getRubberBandBox () {\n    if (!this.rubberBandBox) {\n      this.rubberBandBox = this.selectorParentGroup.appendChild(\n        svgFactory_.createSVGElement({\n          element: 'rect',\n          attr: {\n            id: 'selectorRubberBand',\n            fill: '#22C',\n            'fill-opacity': 0.15,\n            stroke: '#22C',\n            'stroke-width': 0.5,\n            display: 'none',\n            style: 'pointer-events:none'\n          }\n        })\n      );\n    }\n    return this.rubberBandBox;\n  }\n}\n\n/**\n * An object that creates SVG elements for the canvas.\n *\n * @interface module:select.SVGFactory\n */\n/**\n * @function module:select.SVGFactory#createSVGElement\n * @param {module:utilities.EditorContext#addSVGElementFromJson} jsonMap\n * @returns {SVGElement}\n */\n/**\n * @function module:select.SVGFactory#svgRoot\n * @returns {SVGSVGElement}\n */\n/**\n * @function module:select.SVGFactory#svgContent\n * @returns {SVGSVGElement}\n */\n/**\n * @function module:select.SVGFactory#getCurrentZoom\n * @returns {Float}\n */\n\n/**\n * @typedef {GenericArray} module:select.Dimensions\n * @property {Integer} length 2\n * @property {Float} 0 Width\n * @property {Float} 1 Height\n */\n/**\n * @typedef {PlainObject} module:select.Config\n * @property {string} imgPath\n * @property {module:select.Dimensions} dimensions\n */\n\n/**\n * Initializes this module.\n * @function module:select.init\n * @param {module:select.Config} config - An object containing configurable parameters (imgPath)\n * @param {module:select.SVGFactory} svgFactory - An object implementing the SVGFactory interface.\n * @returns {undefined}\n */\nexport const init = function (config, svgFactory) {\n  config_ = config;\n  svgFactory_ = svgFactory;\n  selectorManager_ = new SelectorManager();\n};\n\n/**\n * @function module:select.getSelectorManager\n * @returns {module:select.SelectorManager} The SelectorManager instance.\n */\nexport const getSelectorManager = () => selectorManager_;\n","/* globals jQuery */\n/**\n * Manipulating coordinates\n * @module coords\n * @license MIT\n */\n\nimport './svgpathseg.js';\nimport {\n  snapToGrid, assignAttributes, getBBox, getRefElem, findDefs\n} from './utilities.js';\nimport {\n  transformPoint, transformListToTransform, matrixMultiply, transformBox\n} from './math.js';\nimport {getTransformList} from './svgtransformlist.js';\n\nconst $ = jQuery;\n\n// this is how we map paths to our preferred relative segment types\nconst pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a',\n  'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];\n\n/**\n * @interface module:coords.EditorContext\n */\n/**\n * @function module:coords.EditorContext#getGridSnapping\n * @returns {boolean}\n */\n/**\n * @function module:coords.EditorContext#getDrawing\n * @returns {module:draw.Drawing}\n*/\n/**\n * @function module:coords.EditorContext#getSVGRoot\n * @returns {SVGSVGElement}\n*/\n\nlet editorContext_ = null;\n\n/**\n* @function module:coords.init\n* @param {module:coords.EditorContext} editorContext\n*/\nexport const init = function (editorContext) {\n  editorContext_ = editorContext;\n};\n\n/**\n * Applies coordinate changes to an element based on the given matrix\n * @function module:coords.remapElement\n * @implements {module:path.EditorContext#remapElement}\n*/\nexport const remapElement = function (selected, changes, m) {\n  const remap = function (x, y) { return transformPoint(x, y, m); },\n    scalew = function (w) { return m.a * w; },\n    scaleh = function (h) { return m.d * h; },\n    doSnapping = editorContext_.getGridSnapping() && selected.parentNode.parentNode.localName === 'svg',\n    finishUp = function () {\n      if (doSnapping) {\n        for (const o in changes) {\n          changes[o] = snapToGrid(changes[o]);\n        }\n      }\n      assignAttributes(selected, changes, 1000, true);\n    },\n    box = getBBox(selected);\n\n  for (let i = 0; i < 2; i++) {\n    const type = i === 0 ? 'fill' : 'stroke';\n    const attrVal = selected.getAttribute(type);\n    if (attrVal && attrVal.startsWith('url(')) {\n      if (m.a < 0 || m.d < 0) {\n        const grad = getRefElem(attrVal);\n        const newgrad = grad.cloneNode(true);\n        if (m.a < 0) {\n          // flip x\n          const x1 = newgrad.getAttribute('x1');\n          const x2 = newgrad.getAttribute('x2');\n          newgrad.setAttribute('x1', -(x1 - 1));\n          newgrad.setAttribute('x2', -(x2 - 1));\n        }\n\n        if (m.d < 0) {\n          // flip y\n          const y1 = newgrad.getAttribute('y1');\n          const y2 = newgrad.getAttribute('y2');\n          newgrad.setAttribute('y1', -(y1 - 1));\n          newgrad.setAttribute('y2', -(y2 - 1));\n        }\n        newgrad.id = editorContext_.getDrawing().getNextId();\n        findDefs().append(newgrad);\n        selected.setAttribute(type, 'url(#' + newgrad.id + ')');\n      }\n\n      // Not really working :(\n      // if (selected.tagName === 'path') {\n      //   reorientGrads(selected, m);\n      // }\n    }\n  }\n\n  const elName = selected.tagName;\n  if (elName === 'g' || elName === 'text' || elName === 'tspan' || elName === 'use') {\n    // if it was a translate, then just update x,y\n    if (m.a === 1 && m.b === 0 && m.c === 0 && m.d === 1 && (m.e !== 0 || m.f !== 0)) {\n      // [T][M] = [M][T']\n      // therefore [T'] = [M_inv][T][M]\n      const existing = transformListToTransform(selected).matrix,\n        tNew = matrixMultiply(existing.inverse(), m, existing);\n      changes.x = parseFloat(changes.x) + tNew.e;\n      changes.y = parseFloat(changes.y) + tNew.f;\n    } else {\n      // we just absorb all matrices into the element and don't do any remapping\n      const chlist = getTransformList(selected);\n      const mt = editorContext_.getSVGRoot().createSVGTransform();\n      mt.setMatrix(matrixMultiply(transformListToTransform(chlist).matrix, m));\n      chlist.clear();\n      chlist.appendItem(mt);\n    }\n  }\n\n  // now we have a set of changes and an applied reduced transform list\n  // we apply the changes directly to the DOM\n  switch (elName) {\n  case 'foreignObject':\n  case 'rect':\n  case 'image': {\n    // Allow images to be inverted (give them matrix when flipped)\n    if (elName === 'image' && (m.a < 0 || m.d < 0)) {\n      // Convert to matrix\n      const chlist = getTransformList(selected);\n      const mt = editorContext_.getSVGRoot().createSVGTransform();\n      mt.setMatrix(matrixMultiply(transformListToTransform(chlist).matrix, m));\n      chlist.clear();\n      chlist.appendItem(mt);\n    } else {\n      const pt1 = remap(changes.x, changes.y);\n      changes.width = scalew(changes.width);\n      changes.height = scaleh(changes.height);\n      changes.x = pt1.x + Math.min(0, changes.width);\n      changes.y = pt1.y + Math.min(0, changes.height);\n      changes.width = Math.abs(changes.width);\n      changes.height = Math.abs(changes.height);\n    }\n    finishUp();\n    break;\n  } case 'ellipse': {\n    const c = remap(changes.cx, changes.cy);\n    changes.cx = c.x;\n    changes.cy = c.y;\n    changes.rx = scalew(changes.rx);\n    changes.ry = scaleh(changes.ry);\n    changes.rx = Math.abs(changes.rx);\n    changes.ry = Math.abs(changes.ry);\n    finishUp();\n    break;\n  } case 'circle': {\n    const c = remap(changes.cx, changes.cy);\n    changes.cx = c.x;\n    changes.cy = c.y;\n    // take the minimum of the new selected box's dimensions for the new circle radius\n    const tbox = transformBox(box.x, box.y, box.width, box.height, m);\n    const w = tbox.tr.x - tbox.tl.x, h = tbox.bl.y - tbox.tl.y;\n    changes.r = Math.min(w / 2, h / 2);\n\n    if (changes.r) { changes.r = Math.abs(changes.r); }\n    finishUp();\n    break;\n  } case 'line': {\n    const pt1 = remap(changes.x1, changes.y1);\n    const pt2 = remap(changes.x2, changes.y2);\n    changes.x1 = pt1.x;\n    changes.y1 = pt1.y;\n    changes.x2 = pt2.x;\n    changes.y2 = pt2.y;\n  } // Fallthrough\n  case 'text':\n  case 'tspan':\n  case 'use': {\n    finishUp();\n    break;\n  } case 'g': {\n    const gsvg = $(selected).data('gsvg');\n    if (gsvg) {\n      assignAttributes(gsvg, changes, 1000, true);\n    }\n    break;\n  } case 'polyline':\n  case 'polygon': {\n    const len = changes.points.length;\n    for (let i = 0; i < len; ++i) {\n      const pt = changes.points[i];\n      const {x, y} = remap(pt.x, pt.y);\n      changes.points[i].x = x;\n      changes.points[i].y = y;\n    }\n\n    // const len = changes.points.length;\n    let pstr = '';\n    for (let i = 0; i < len; ++i) {\n      const pt = changes.points[i];\n      pstr += pt.x + ',' + pt.y + ' ';\n    }\n    selected.setAttribute('points', pstr);\n    break;\n  } case 'path': {\n    const segList = selected.pathSegList;\n    let len = segList.numberOfItems;\n    changes.d = [];\n    for (let i = 0; i < len; ++i) {\n      const seg = segList.getItem(i);\n      changes.d[i] = {\n        type: seg.pathSegType,\n        x: seg.x,\n        y: seg.y,\n        x1: seg.x1,\n        y1: seg.y1,\n        x2: seg.x2,\n        y2: seg.y2,\n        r1: seg.r1,\n        r2: seg.r2,\n        angle: seg.angle,\n        largeArcFlag: seg.largeArcFlag,\n        sweepFlag: seg.sweepFlag\n      };\n    }\n\n    len = changes.d.length;\n    const firstseg = changes.d[0],\n      currentpt = remap(firstseg.x, firstseg.y);\n    changes.d[0].x = currentpt.x;\n    changes.d[0].y = currentpt.y;\n    for (let i = 1; i < len; ++i) {\n      const seg = changes.d[i];\n      const {type} = seg;\n      // if absolute or first segment, we want to remap x, y, x1, y1, x2, y2\n      // if relative, we want to scalew, scaleh\n      if (type % 2 === 0) { // absolute\n        const thisx = (seg.x !== undefined) ? seg.x : currentpt.x, // for V commands\n          thisy = (seg.y !== undefined) ? seg.y : currentpt.y; // for H commands\n        const pt = remap(thisx, thisy);\n        const pt1 = remap(seg.x1, seg.y1);\n        const pt2 = remap(seg.x2, seg.y2);\n        seg.x = pt.x;\n        seg.y = pt.y;\n        seg.x1 = pt1.x;\n        seg.y1 = pt1.y;\n        seg.x2 = pt2.x;\n        seg.y2 = pt2.y;\n        seg.r1 = scalew(seg.r1);\n        seg.r2 = scaleh(seg.r2);\n      } else { // relative\n        seg.x = scalew(seg.x);\n        seg.y = scaleh(seg.y);\n        seg.x1 = scalew(seg.x1);\n        seg.y1 = scaleh(seg.y1);\n        seg.x2 = scalew(seg.x2);\n        seg.y2 = scaleh(seg.y2);\n        seg.r1 = scalew(seg.r1);\n        seg.r2 = scaleh(seg.r2);\n      }\n    } // for each segment\n\n    let dstr = '';\n    len = changes.d.length;\n    for (let i = 0; i < len; ++i) {\n      const seg = changes.d[i];\n      const {type} = seg;\n      dstr += pathMap[type];\n      switch (type) {\n      case 13: // relative horizontal line (h)\n      case 12: // absolute horizontal line (H)\n        dstr += seg.x + ' ';\n        break;\n      case 15: // relative vertical line (v)\n      case 14: // absolute vertical line (V)\n        dstr += seg.y + ' ';\n        break;\n      case 3: // relative move (m)\n      case 5: // relative line (l)\n      case 19: // relative smooth quad (t)\n      case 2: // absolute move (M)\n      case 4: // absolute line (L)\n      case 18: // absolute smooth quad (T)\n        dstr += seg.x + ',' + seg.y + ' ';\n        break;\n      case 7: // relative cubic (c)\n      case 6: // absolute cubic (C)\n        dstr += seg.x1 + ',' + seg.y1 + ' ' + seg.x2 + ',' + seg.y2 + ' ' +\n          seg.x + ',' + seg.y + ' ';\n        break;\n      case 9: // relative quad (q)\n      case 8: // absolute quad (Q)\n        dstr += seg.x1 + ',' + seg.y1 + ' ' + seg.x + ',' + seg.y + ' ';\n        break;\n      case 11: // relative elliptical arc (a)\n      case 10: // absolute elliptical arc (A)\n        dstr += seg.r1 + ',' + seg.r2 + ' ' + seg.angle + ' ' + (+seg.largeArcFlag) +\n          ' ' + (+seg.sweepFlag) + ' ' + seg.x + ',' + seg.y + ' ';\n        break;\n      case 17: // relative smooth cubic (s)\n      case 16: // absolute smooth cubic (S)\n        dstr += seg.x2 + ',' + seg.y2 + ' ' + seg.x + ',' + seg.y + ' ';\n        break;\n      }\n    }\n\n    selected.setAttribute('d', dstr);\n    break;\n  }\n  }\n};\n","/* eslint-disable indent */\n/* globals jQuery, jsPDF */\n/**\n * Numerous tools for working with the editor's \"canvas\"\n * @module svgcanvas\n *\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Pavol Rusnak, 2010 Jeff Schiller\n *\n */\n\n/* Dependencies:\n1. Also expects jQuery UI for `svgCanvasToString` and\n`convertToGroup` use of `:data()` selector\n*/\n\n// Todo: Obtain/adapt latest jsPDF to utilize ES Module for `jsPDF`/avoid global\n\nimport './svgpathseg.js';\nimport jqPluginSVG from './jQuery.attr.js'; // Needed for SVG attribute setting and array form with `attr`\n\nimport * as draw from './draw.js';\nimport * as pathModule from './path.js';\nimport {sanitizeSvg} from './sanitize.js';\nimport {getReverseNS, NS} from './namespaces.js';\nimport {importSetGlobal, importScript} from './external/dynamic-import-polyfill/importModule.js';\nimport {\n  text2xml, assignAttributes, cleanupElement, getElem, getUrlFromAttr,\n  findDefs, getHref, setHref, getRefElem, getRotationAngle, getPathBBox,\n  preventClickDefault, snapToGrid, walkTree, walkTreePost,\n  getBBoxOfElementAsPath, convertToPath, toXml, encode64, decode64,\n  dataURLToObjectURL, createObjectURL,\n  getVisibleElements, dropXMLInteralSubset,\n  init as utilsInit, getBBox as utilsGetBBox, getStrokedBBoxDefaultVisible\n} from './utilities.js';\nimport * as history from './history.js';\nimport {\n  transformPoint, matrixMultiply, hasMatrixTransform, transformListToTransform,\n  getMatrix, snapToAngle, isIdentity, rectsIntersect, transformBox\n} from './math.js';\nimport {\n  convertToNum, convertAttrs, convertUnit, shortFloat, getTypeMap,\n  init as unitsInit\n} from './units.js';\nimport {\n  isGecko, isChrome, isIE, isWebkit, supportsNonScalingStroke, supportsGoodTextCharPos\n} from './browser.js'; // , supportsEditableText\nimport {\n  getTransformList, resetListMap,\n  SVGTransformList as SVGEditTransformList\n} from './svgtransformlist.js';\nimport {\n  remapElement,\n  init as coordsInit\n} from './coords.js';\nimport {\n  recalculateDimensions,\n  init as recalculateInit\n} from './recalculate.js';\nimport {\n  getSelectorManager,\n  init as selectInit\n} from './select.js';\n\nconst $ = jqPluginSVG(jQuery);\nconst {\n  MoveElementCommand, InsertElementCommand, RemoveElementCommand,\n  ChangeElementCommand, BatchCommand, UndoManager, HistoryEventTypes\n} = history;\n\nif (!window.console) {\n  window.console = {};\n  window.console.log = function (str) {};\n  window.console.dir = function (str) {};\n}\n\nif (window.opera) {\n  window.console.log = function (str) { window.opera.postError(str); };\n  window.console.dir = function (str) {};\n}\n\n/**\n* The main SvgCanvas class that manages all SVG-related functions\n* @memberof module:svgcanvas\n*\n* @borrows module:coords.remapElement as #remapElement\n* @borrows module:recalculate.recalculateDimensions as #recalculateDimensions\n*\n* @borrows module:utilities.cleanupElement as #cleanupElement\n* @borrows module:utilities.getStrokedBBoxDefaultVisible as #getStrokedBBox\n* @borrows module:utilities.getVisibleElements as #getVisibleElements\n* @borrows module:utilities.findDefs as #findDefs\n* @borrows module:utilities.getUrlFromAttr as #getUrlFromAttr\n* @borrows module:utilities.getHref as #getHref\n* @borrows module:utilities.setHref as #setHref\n* @borrows module:utilities.getRotationAngle as #getRotationAngle\n* @borrows module:utilities.getBBox as #getBBox\n* @borrows module:utilities.getElem as #getElem\n* @borrows module:utilities.getRefElem as #getRefElem\n* @borrows module:utilities.assignAttributes as #assignAttributes\n*\n* @borrows module:SVGTransformList.getTransformList as #getTransformList\n* @borrows module:math.matrixMultiply as #matrixMultiply\n* @borrows module:math.hasMatrixTransform as #hasMatrixTransform\n* @borrows module:math.transformListToTransform as #transformListToTransform\n* @borrows module:units.convertToNum as #convertToNum\n* @borrows module:sanitize.sanitizeSvg as #sanitizeSvg\n* @borrows module:path.pathActions.linkControlPoints as #linkControlPoints\n*/\nclass SvgCanvas {\n  /**\n  * @param {HTMLElement} container - The container HTML element that should hold the SVG root element\n  * @param {module:SVGEditor.curConfig} config - An object that contains configuration data\n  */\n  constructor (container, config) {\n// Alias Namespace constants\n\n// Default configuration options\nconst curConfig = {\n  show_outside_canvas: true,\n  selectNew: true,\n  dimensions: [640, 480]\n};\n\n// Update config with new one if given\nif (config) {\n  $.extend(curConfig, config);\n}\n\n// Array with width/height of canvas\nconst {dimensions} = curConfig;\n\nconst canvas = this;\n\n// \"document\" element associated with the container (same as window.document using default svg-editor.js)\n// NOTE: This is not actually a SVG document, but an HTML document.\nconst svgdoc = container.ownerDocument;\n\n// This is a container for the document being edited, not the document itself.\n/**\n * @name module:svgcanvas~svgroot\n * @type {SVGSVGElement}\n */\nconst svgroot = svgdoc.importNode(\n  text2xml(\n    '<svg id=\"svgroot\" xmlns=\"' + NS.SVG + '\" xlinkns=\"' + NS.XLINK + '\" ' +\n      'width=\"' + dimensions[0] + '\" height=\"' + dimensions[1] + '\" x=\"' + dimensions[0] + '\" y=\"' + dimensions[1] + '\" overflow=\"visible\">' +\n      '<defs>' +\n        '<filter id=\"canvashadow\" filterUnits=\"objectBoundingBox\">' +\n          '<feGaussianBlur in=\"SourceAlpha\" stdDeviation=\"4\" result=\"blur\"/>' +\n          '<feOffset in=\"blur\" dx=\"5\" dy=\"5\" result=\"offsetBlur\"/>' +\n          '<feMerge>' +\n            '<feMergeNode in=\"offsetBlur\"/>' +\n            '<feMergeNode in=\"SourceGraphic\"/>' +\n          '</feMerge>' +\n        '</filter>' +\n      '</defs>' +\n    '</svg>'\n  ).documentElement,\n  true\n);\ncontainer.append(svgroot);\n\n/**\n * The actual element that represents the final output SVG element\n * @name module:svgcanvas~svgcontent\n * @type {SVGSVGElement}\n */\nlet svgcontent = svgdoc.createElementNS(NS.SVG, 'svg');\n\n/**\n* This function resets the svgcontent element while keeping it in the DOM.\n* @function module:svgcanvas.SvgCanvas#clearSvgContentElement\n* @returns {undefined}\n*/\nconst clearSvgContentElement = canvas.clearSvgContentElement = function () {\n  $(svgcontent).empty();\n\n  // TODO: Clear out all other attributes first?\n  $(svgcontent).attr({\n    id: 'svgcontent',\n    width: dimensions[0],\n    height: dimensions[1],\n    x: dimensions[0],\n    y: dimensions[1],\n    overflow: curConfig.show_outside_canvas ? 'visible' : 'hidden',\n    xmlns: NS.SVG,\n    'xmlns:se': NS.SE,\n    'xmlns:xlink': NS.XLINK\n  }).appendTo(svgroot);\n\n  // TODO: make this string optional and set by the client\n  const comment = svgdoc.createComment(' Created with SVG-edit - https://github.com/SVG-Edit/svgedit');\n  svgcontent.append(comment);\n};\nclearSvgContentElement();\n\n// Prefix string for element IDs\nlet idprefix = 'svg_';\n\n/**\n* Changes the ID prefix to the given value\n* @function module:svgcanvas.SvgCanvas#setIdPrefix\n* @param {string} p - String with the new prefix\n* @returns {undefined}\n*/\ncanvas.setIdPrefix = function (p) {\n  idprefix = p;\n};\n\n/**\n* Current draw.Drawing object\n* @type {module:draw.Drawing}\n* @name module:svgcanvas.SvgCanvas#current_drawing_\n*/\ncanvas.current_drawing_ = new draw.Drawing(svgcontent, idprefix);\n\n/**\n* Returns the current Drawing.\n* @function module:svgcanvas.SvgCanvas#getCurrentDrawing\n* @implements {module:draw.DrawCanvasInit#getCurrentDrawing}\n*/\nconst getCurrentDrawing = canvas.getCurrentDrawing = function () {\n  return canvas.current_drawing_;\n};\n\n/**\n* Float displaying the current zoom level (1 = 100%, .5 = 50%, etc)\n* @type {Float}\n*/\nlet currentZoom = 1;\n\n// pointer to current group (for in-group editing)\nlet currentGroup = null;\n\n// Object containing data for the currently selected styles\nconst allProperties = {\n  shape: {\n    fill: (curConfig.initFill.color === 'none' ? '' : '#') + curConfig.initFill.color,\n    fill_paint: null,\n    fill_opacity: curConfig.initFill.opacity,\n    stroke: '#' + curConfig.initStroke.color,\n    stroke_paint: null,\n    stroke_opacity: curConfig.initStroke.opacity,\n    stroke_width: curConfig.initStroke.width,\n    stroke_dasharray: 'none',\n    stroke_linejoin: 'miter',\n    stroke_linecap: 'butt',\n    opacity: curConfig.initOpacity\n  }\n};\n\nallProperties.text = $.extend(true, {}, allProperties.shape);\n$.extend(allProperties.text, {\n  fill: '#000000',\n  stroke_width: curConfig.text && curConfig.text.stroke_width,\n  font_size: curConfig.text && curConfig.text.font_size,\n  font_family: curConfig.text && curConfig.text.font_family\n});\n\n// Current shape style properties\nconst curShape = allProperties.shape;\n\n// Array with all the currently selected elements\n// default size of 1 until it needs to grow bigger\nlet selectedElements = [];\n\n/**\n* @typedef {PlainObject} module:svgcanvas.SVGAsJSON\n* @property {string} element\n* @property {PlainObject.<string, string>} attr\n* @property {module:svgcanvas.SVGAsJSON[]} children\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getContentElem\n* @param {Text|Element} data\n* @returns {module:svgcanvas.SVGAsJSON}\n*/\nconst getJsonFromSvgElement = this.getJsonFromSvgElement = function (data) {\n  // Text node\n  if (data.nodeType === 3) return data.nodeValue;\n\n  const retval = {\n    element: data.tagName,\n    // namespace: nsMap[data.namespaceURI],\n    attr: {},\n    children: []\n  };\n\n  // Iterate attributes\n  for (let i = 0, attr; (attr = data.attributes[i]); i++) {\n    retval.attr[attr.name] = attr.value;\n  }\n\n  // Iterate children\n  for (let i = 0, node; (node = data.childNodes[i]); i++) {\n    retval.children[i] = getJsonFromSvgElement(node);\n  }\n\n  return retval;\n};\n\n/**\n* This should really be an intersection implementing all rather than a union\n* @function module:svgcanvas.SvgCanvas#addSVGElementFromJson\n* @implements {module:utilities.EditorContext#addSVGElementFromJson|module:path.EditorContext#addSVGElementFromJson}\n*/\nconst addSVGElementFromJson = this.addSVGElementFromJson = function (data) {\n  if (typeof data === 'string') return svgdoc.createTextNode(data);\n\n  let shape = getElem(data.attr.id);\n  // if shape is a path but we need to create a rect/ellipse, then remove the path\n  const currentLayer = getCurrentDrawing().getCurrentLayer();\n  if (shape && data.element !== shape.tagName) {\n    shape.remove();\n    shape = null;\n  }\n  if (!shape) {\n    const ns = data.namespace || NS.SVG;\n    shape = svgdoc.createElementNS(ns, data.element);\n    if (currentLayer) {\n      (currentGroup || currentLayer).append(shape);\n    }\n  }\n  if (data.curStyles) {\n    assignAttributes(shape, {\n      fill: curShape.fill,\n      stroke: curShape.stroke,\n      'stroke-width': curShape.stroke_width,\n      'stroke-dasharray': curShape.stroke_dasharray,\n      'stroke-linejoin': curShape.stroke_linejoin,\n      'stroke-linecap': curShape.stroke_linecap,\n      'stroke-opacity': curShape.stroke_opacity,\n      'fill-opacity': curShape.fill_opacity,\n      opacity: curShape.opacity / 2,\n      style: 'pointer-events:inherit'\n    }, 100);\n  }\n  assignAttributes(shape, data.attr, 100);\n  cleanupElement(shape);\n\n  // Children\n  if (data.children) {\n    data.children.forEach((child) => {\n      shape.append(addSVGElementFromJson(child));\n    });\n  }\n\n  return shape;\n};\n\ncanvas.getTransformList = getTransformList;\n\ncanvas.matrixMultiply = matrixMultiply;\ncanvas.hasMatrixTransform = hasMatrixTransform;\ncanvas.transformListToTransform = transformListToTransform;\n\n/**\n* @implements {module:utilities.EditorContext#getBaseUnit}\n*/\nconst getBaseUnit = () => { return curConfig.baseUnit; };\n\n/**\n* initialize from units.js.\n* Send in an object implementing the ElementContainer interface (see units.js)\n*/\nunitsInit(\n  /**\n  * @implements {module:units.ElementContainer}\n  */\n  {\n    getBaseUnit,\n    getElement: getElem,\n    getHeight () { return svgcontent.getAttribute('height') / currentZoom; },\n    getWidth () { return svgcontent.getAttribute('width') / currentZoom; },\n    getRoundDigits () { return saveOptions.round_digits; }\n  }\n);\n\ncanvas.convertToNum = convertToNum;\n\n/**\n* This should really be an intersection implementing all rather than a union\n* @implements {module:draw.DrawCanvasInit#getSVGContent|module:utilities.EditorContext#getSVGContent}\n*/\nconst getSVGContent = () => { return svgcontent; };\n\n/**\n* Should really be an intersection with all needing to apply rather than a union\n* @function module:svgcanvas.SvgCanvas#getSelectedElements\n* @implements {module:utilities.EditorContext#getSelectedElements|module:draw.DrawCanvasInit#getSelectedElements|module:path.EditorContext#getSelectedElements}\n*/\nconst getSelectedElements = this.getSelectedElems = function () {\n  return selectedElements;\n};\n\nconst pathActions = pathModule.pathActions;\n\n/**\n* This should actually be an intersection as all interfaces should be met\n* @implements {module:utilities.EditorContext#getSVGRoot|module:recalculate.EditorContext#getSVGRoot|module:coords.EditorContext#getSVGRoot|module:path.EditorContext#getSVGRoot}\n*/\nconst getSVGRoot = () => svgroot;\n\nutilsInit(\n  /**\n  * @implements {module:utilities.EditorContext}\n  */\n  {\n    pathActions, // Ok since not modifying\n    getSVGContent,\n    addSVGElementFromJson,\n    getSelectedElements,\n    getDOMDocument () { return svgdoc; },\n    getDOMContainer () { return container; },\n    getSVGRoot,\n    // TODO: replace this mostly with a way to get the current drawing.\n    getBaseUnit,\n    getSnappingStep () { return curConfig.snappingStep; }\n  }\n);\n\ncanvas.findDefs = findDefs;\ncanvas.getUrlFromAttr = getUrlFromAttr;\ncanvas.getHref = getHref;\ncanvas.setHref = setHref;\n/* const getBBox = */ canvas.getBBox = utilsGetBBox;\ncanvas.getRotationAngle = getRotationAngle;\ncanvas.getElem = getElem;\ncanvas.getRefElem = getRefElem;\ncanvas.assignAttributes = assignAttributes;\n\nthis.cleanupElement = cleanupElement;\n\n/**\n* This should actually be an intersection not a union as all should apply\n* @implements {module:coords.EditorContext|module:path.EditorContext}\n*/\nconst getGridSnapping = () => { return curConfig.gridSnapping; };\n\ncoordsInit(\n  /**\n  * @implements {module:coords.EditorContext}\n  */\n  {\n    getDrawing () { return getCurrentDrawing(); },\n    getSVGRoot,\n    getGridSnapping\n  }\n);\nthis.remapElement = remapElement;\n\nrecalculateInit(\n  /**\n  * @implements {module:recalculate.EditorContext}\n  */\n  {\n    getSVGRoot,\n    getStartTransform () { return startTransform; },\n    setStartTransform (transform) { startTransform = transform; }\n  }\n);\nthis.recalculateDimensions = recalculateDimensions;\n\n// import from sanitize.js\nconst nsMap = getReverseNS();\ncanvas.sanitizeSvg = sanitizeSvg;\n\n/**\n* @name undoMgr\n* @memberof module:svgcanvas.SvgCanvas#\n* @type {module:history.HistoryEventHandler}\n*/\nconst undoMgr = canvas.undoMgr = new UndoManager({\n  /**\n   * @param {string} eventType One of the HistoryEvent types\n   * @param {module:history.HistoryCommand} cmd Fulfills the HistoryCommand interface\n   * @fires module:svgcanvas.SvgCanvas#event:changed\n   * @returns {undefined}\n   */\n  handleHistoryEvent (eventType, cmd) {\n    const EventTypes = HistoryEventTypes;\n    // TODO: handle setBlurOffsets.\n    if (eventType === EventTypes.BEFORE_UNAPPLY || eventType === EventTypes.BEFORE_APPLY) {\n      canvas.clearSelection();\n    } else if (eventType === EventTypes.AFTER_APPLY || eventType === EventTypes.AFTER_UNAPPLY) {\n      const elems = cmd.elements();\n      canvas.pathActions.clear();\n      call('changed', elems);\n      const cmdType = cmd.type();\n      const isApply = (eventType === EventTypes.AFTER_APPLY);\n      if (cmdType === MoveElementCommand.type()) {\n        const parent = isApply ? cmd.newParent : cmd.oldParent;\n        if (parent === svgcontent) {\n          draw.identifyLayers();\n        }\n      } else if (cmdType === InsertElementCommand.type() ||\n          cmdType === RemoveElementCommand.type()) {\n        if (cmd.parent === svgcontent) {\n          draw.identifyLayers();\n        }\n        if (cmdType === InsertElementCommand.type()) {\n          if (isApply) { restoreRefElems(cmd.elem); }\n        } else {\n          if (!isApply) { restoreRefElems(cmd.elem); }\n        }\n        if (cmd.elem.tagName === 'use') {\n          setUseData(cmd.elem);\n        }\n      } else if (cmdType === ChangeElementCommand.type()) {\n        // if we are changing layer names, re-identify all layers\n        if (cmd.elem.tagName === 'title' &&\n          cmd.elem.parentNode.parentNode === svgcontent\n        ) {\n          draw.identifyLayers();\n        }\n        const values = isApply ? cmd.newValues : cmd.oldValues;\n        // If stdDeviation was changed, update the blur.\n        if (values.stdDeviation) {\n          canvas.setBlurOffsets(cmd.elem.parentNode, values.stdDeviation);\n        }\n        // This is resolved in later versions of webkit, perhaps we should\n        // have a featured detection for correct 'use' behavior?\n        // ——————————\n        // Remove & Re-add hack for Webkit (issue 775)\n        // if (cmd.elem.tagName === 'use' && isWebkit()) {\n        //  const {elem} = cmd;\n        //  if (!elem.getAttribute('x') && !elem.getAttribute('y')) {\n        //    const parent = elem.parentNode;\n        //    const sib = elem.nextSibling;\n        //    elem.remove();\n        //    parent.insertBefore(elem, sib);\n        //    // Ok to replace above with this? `sib.before(elem);`\n        //  }\n        // }\n      }\n    }\n  }\n});\n\n/**\n* This should really be an intersection applying to all types rather than a union\n* @function module:svgcanvas~addCommandToHistory\n* @implements {module:path.EditorContext#addCommandToHistory|module:draw.DrawCanvasInit#addCommandToHistory}\n*/\nconst addCommandToHistory = function (cmd) {\n  canvas.undoMgr.addCommandToHistory(cmd);\n};\n\n/**\n* This should really be an intersection applying to all types rather than a union\n* @function module:svgcanvas.SvgCanvas#getZoom\n* @implements {module:path.EditorContext#getCurrentZoom|module:select.SVGFactory#getCurrentZoom}\n*/\nconst getCurrentZoom = this.getZoom = function () { return currentZoom; };\n\n/**\n* This method rounds the incoming value to the nearest value based on the `currentZoom`\n* @function module:svgcanvas.SvgCanvas#round\n* @implements {module:path.EditorContext#round}\n*/\nconst round = this.round = function (val) {\n  return parseInt(val * currentZoom, 10) / currentZoom;\n};\n\nselectInit(\n  curConfig,\n  /**\n  * Export to select.js\n  * @implements {module:select.SVGFactory}\n  */\n  {\n    createSVGElement (jsonMap) { return canvas.addSVGElementFromJson(jsonMap); },\n    svgRoot () { return svgroot; },\n    svgContent () { return svgcontent; },\n    getCurrentZoom\n  }\n);\n/**\n* This object manages selectors for us\n* @name module:svgcanvas.SvgCanvas#selectorManager\n* @type {module:select.SelectorManager}\n*/\nconst selectorManager = this.selectorManager = getSelectorManager();\n\n/**\n* @function module:svgcanvas.SvgCanvas#getNextId\n* @implements {module:path.EditorContext#getNextId}\n*/\nconst getNextId = canvas.getNextId = function () {\n  return getCurrentDrawing().getNextId();\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getId\n* @implements {module:path.EditorContext#getId}\n*/\nconst getId = canvas.getId = function () {\n  return getCurrentDrawing().getId();\n};\n\n/**\n* The \"implements\" should really be an intersection applying to all types rather than a union\n* @function module:svgcanvas.SvgCanvas#call\n* @implements {module:draw.DrawCanvasInit#call|module:path.EditorContext#call}\n* @param {\"selected\"|\"changed\"|\"contextset\"|\"pointsAdded\"|\"extension_added\"|\"extensions_added\"|\"message\"|\"transition\"|\"zoomed\"|\"updateCanvas\"|\"zoomDone\"|\"saved\"|\"exported\"|\"exportedPDF\"|\"setnonce\"|\"unsetnonce\"|\"cleared\"} ev - String with the event name\n* @param {module:svgcanvas.SvgCanvas#event:GenericCanvasEvent} arg - Argument to pass through to the callback function.\n* @returns {undefined}\n*/\nconst call = function (ev, arg) {\n  if (events[ev]) {\n    return events[ev](window, arg);\n  }\n};\n\n/**\n* Clears the selection. The 'selected' handler is then optionally called.\n* This should really be an intersection applying to all types rather than a union\n* @function module:svgcanvas.SvgCanvas#clearSelection\n* @implements {module:draw.DrawCanvasInit#clearSelection|module:path.EditorContext#clearSelection}\n* @fires module:svgcanvas.SvgCanvas#event:selected\n*/\nconst clearSelection = this.clearSelection = function (noCall) {\n  selectedElements.forEach((elem) => {\n    if (elem == null) {\n      return;\n    }\n    selectorManager.releaseSelector(elem);\n  });\n  selectedElements = [];\n\n  if (!noCall) { call('selected', selectedElements); }\n};\n\n/**\n* Adds a list of elements to the selection. The 'selected' handler is then called.\n* @function module:svgcanvas.SvgCanvas#addToSelection\n* @implements {module:path.EditorContext#addToSelection}\n* @fires module:svgcanvas.SvgCanvas#event:selected\n*/\nconst addToSelection = this.addToSelection = function (elemsToAdd, showGrips) {\n  if (!elemsToAdd.length) { return; }\n  // find the first null in our selectedElements array\n\n  let j = 0;\n  while (j < selectedElements.length) {\n    if (selectedElements[j] == null) {\n      break;\n    }\n    ++j;\n  }\n\n  // now add each element consecutively\n  let i = elemsToAdd.length;\n  while (i--) {\n    let elem = elemsToAdd[i];\n    if (!elem) { continue; }\n    const bbox = utilsGetBBox(elem);\n    if (!bbox) { continue; }\n\n    if (elem.tagName === 'a' && elem.childNodes.length === 1) {\n      // Make \"a\" element's child be the selected element\n      elem = elem.firstChild;\n    }\n\n    // if it's not already there, add it\n    if (!selectedElements.includes(elem)) {\n      selectedElements[j] = elem;\n\n      // only the first selectedBBoxes element is ever used in the codebase these days\n      // if (j === 0) selectedBBoxes[0] = utilsGetBBox(elem);\n      j++;\n      const sel = selectorManager.requestSelector(elem, bbox);\n\n      if (selectedElements.length > 1) {\n        sel.showGrips(false);\n      }\n    }\n  }\n  call('selected', selectedElements);\n\n  if (showGrips || selectedElements.length === 1) {\n    selectorManager.requestSelector(selectedElements[0]).showGrips(true);\n  } else {\n    selectorManager.requestSelector(selectedElements[0]).showGrips(false);\n  }\n\n  // make sure the elements are in the correct order\n  // See: https://www.w3.org/TR/DOM-Level-3-Core/core.html#Node3-compareDocumentPosition\n\n  selectedElements.sort(function (a, b) {\n    if (a && b && a.compareDocumentPosition) {\n      return 3 - (b.compareDocumentPosition(a) & 6);\n    }\n    if (a == null) {\n      return 1;\n    }\n  });\n\n  // Make sure first elements are not null\n  while (selectedElements[0] == null) {\n    selectedElements.shift(0);\n  }\n};\n\n/**\n* @implements {module:path.EditorContext#getOpacity}\n*/\nconst getOpacity = function () {\n  return curShape.opacity;\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getMouseTarget\n* @implements {module:path.EditorContext#getMouseTarget}\n*/\nconst getMouseTarget = this.getMouseTarget = function (evt) {\n  if (evt == null) {\n    return null;\n  }\n  let mouseTarget = evt.target;\n\n  // if it was a <use>, Opera and WebKit return the SVGElementInstance\n  if (mouseTarget.correspondingUseElement) { mouseTarget = mouseTarget.correspondingUseElement; }\n\n  // for foreign content, go up until we find the foreignObject\n  // WebKit browsers set the mouse target to the svgcanvas div\n  if ([NS.MATH, NS.HTML].includes(mouseTarget.namespaceURI) &&\n    mouseTarget.id !== 'svgcanvas'\n  ) {\n    while (mouseTarget.nodeName !== 'foreignObject') {\n      mouseTarget = mouseTarget.parentNode;\n      if (!mouseTarget) { return svgroot; }\n    }\n  }\n\n  // Get the desired mouseTarget with jQuery selector-fu\n  // If it's root-like, select the root\n  const currentLayer = getCurrentDrawing().getCurrentLayer();\n  if ([svgroot, container, svgcontent, currentLayer].includes(mouseTarget)) {\n    return svgroot;\n  }\n\n  const $target = $(mouseTarget);\n\n  // If it's a selection grip, return the grip parent\n  if ($target.closest('#selectorParentGroup').length) {\n    // While we could instead have just returned mouseTarget,\n    // this makes it easier to indentify as being a selector grip\n    return selectorManager.selectorParentGroup;\n  }\n\n  while (mouseTarget.parentNode !== (currentGroup || currentLayer)) {\n    mouseTarget = mouseTarget.parentNode;\n  }\n\n  //\n  // // go up until we hit a child of a layer\n  // while (mouseTarget.parentNode.parentNode.tagName == 'g') {\n  //   mouseTarget = mouseTarget.parentNode;\n  // }\n  // Webkit bubbles the mouse event all the way up to the div, so we\n  // set the mouseTarget to the svgroot like the other browsers\n  // if (mouseTarget.nodeName.toLowerCase() == 'div') {\n  //   mouseTarget = svgroot;\n  // }\n\n  return mouseTarget;\n};\n\n/**\n* @namespace {module:path.pathActions} pathActions\n* @memberof module:svgcanvas.SvgCanvas#\n* @see module:path.pathActions\n*/\ncanvas.pathActions = pathActions;\n/**\n* @implements {module:path.EditorContext#resetD}\n*/\nfunction resetD (p) {\n  p.setAttribute('d', pathActions.convertPath(p));\n}\npathModule.init(\n  /**\n  * @implements {module:path.EditorContext}\n  */\n  {\n    selectorManager, // Ok since not changing\n    canvas, // Ok since not changing\n    call,\n    resetD,\n    round,\n    clearSelection,\n    addToSelection,\n    addCommandToHistory,\n    remapElement,\n    addSVGElementFromJson,\n    getGridSnapping,\n    getOpacity,\n    getSelectedElements,\n    getContainer () {\n      return container;\n    },\n    setStarted (s) {\n      started = s;\n    },\n    getRubberBox () {\n      return rubberBox;\n    },\n    setRubberBox (rb) {\n      rubberBox = rb;\n      return rubberBox;\n    },\n    /**\n     * @param {boolean} closedSubpath\n     * @param {SVGCircleElement[]} grips\n     * @fires module:svgcanvas.SvgCanvas#event:pointsAdded\n     * @fires module:svgcanvas.SvgCanvas#event:selected\n     */\n    addPtsToSelection ({closedSubpath, grips}) {\n      // TODO: Correct this:\n      pathActions.canDeleteNodes = true;\n      pathActions.closed_subpath = closedSubpath;\n      call('pointsAdded', {closedSubpath, grips});\n      call('selected', grips);\n    },\n    /**\n     * @param {ChangeElementCommand} cmd\n     * @param {SVGPathElement} elem\n     * @fires module:svgcanvas.SvgCanvas#event:changed\n     * @returns {undefined}\n     */\n    endChanges ({cmd, elem}) {\n      addCommandToHistory(cmd);\n      call('changed', [elem]);\n    },\n    getCurrentZoom,\n    getId,\n    getNextId,\n    getMouseTarget,\n    getCurrentMode () {\n      return currentMode;\n    },\n    setCurrentMode (cm) {\n      currentMode = cm;\n      return currentMode;\n    },\n    getDrawnPath () {\n      return drawnPath;\n    },\n    setDrawnPath (dp) {\n      drawnPath = dp;\n      return drawnPath;\n    },\n    getSVGRoot\n  }\n);\n\n// Interface strings, usually for title elements\nconst uiStrings = {};\n\nconst visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use';\nconst refAttrs = ['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'];\n\nconst elData = $.data;\n\n// Animation element to change the opacity of any newly created element\nconst opacAni = document.createElementNS(NS.SVG, 'animate');\n$(opacAni).attr({\n  attributeName: 'opacity',\n  begin: 'indefinite',\n  dur: 1,\n  fill: 'freeze'\n}).appendTo(svgroot);\n\nconst restoreRefElems = function (elem) {\n  // Look for missing reference elements, restore any found\n  const attrs = $(elem).attr(refAttrs);\n  for (const o in attrs) {\n    const val = attrs[o];\n    if (val && val.startsWith('url(')) {\n      const id = getUrlFromAttr(val).substr(1);\n      const ref = getElem(id);\n      if (!ref) {\n        findDefs().append(removedElements[id]);\n        delete removedElements[id];\n      }\n    }\n  }\n\n  const childs = elem.getElementsByTagName('*');\n\n  if (childs.length) {\n    for (let i = 0, l = childs.length; i < l; i++) {\n      restoreRefElems(childs[i]);\n    }\n  }\n};\n\n// (function () {\n// TODO For Issue 208: this is a start on a thumbnail\n//  const svgthumb = svgdoc.createElementNS(NS.SVG, 'use');\n//  svgthumb.setAttribute('width', '100');\n//  svgthumb.setAttribute('height', '100');\n//  setHref(svgthumb, '#svgcontent');\n//  svgroot.append(svgthumb);\n// }());\n\n/**\n * @typedef {PlainObject} module:svgcanvas.SaveOptions\n * @property {boolean} apply\n * @property {\"embed\"} [image]\n * @property {Integer} round_digits\n */\n\n// Object to contain image data for raster images that were found encodable\nconst encodableImages = {},\n\n  // Object with save options\n  /**\n   * @type {module:svgcanvas.SaveOptions}\n   */\n  saveOptions = {round_digits: 5},\n\n  // Object with IDs for imported files, to see if one was already added\n  importIds = {},\n\n  // Current text style properties\n  curText = allProperties.text,\n\n  // Object to contain all included extensions\n  extensions = {},\n\n  // Map of deleted reference elements\n  removedElements = {};\n\nlet\n  // String with image URL of last loadable image\n  lastGoodImgUrl = curConfig.imgPath + 'logo.png',\n\n  // Boolean indicating whether or not a draw action has been started\n  started = false,\n\n  // String with an element's initial transform attribute value\n  startTransform = null,\n\n  // String indicating the current editor mode\n  currentMode = 'select',\n\n  // String with the current direction in which an element is being resized\n  currentResizeMode = 'none',\n\n  // Current general properties\n  curProperties = curShape,\n\n  // Array with selected elements' Bounding box object\n  // selectedBBoxes = new Array(1),\n\n  // The DOM element that was just selected\n  justSelected = null,\n\n  // DOM element for selection rectangle drawn by the user\n  rubberBox = null,\n\n  // Array of current BBoxes, used in getIntersectionList().\n  curBBoxes = [],\n\n  // Canvas point for the most recent right click\n  lastClickPoint = null;\n\n/**\n* @typedef {module:svgcanvas.ExtensionMouseDownStatus|module:svgcanvas.ExtensionMouseUpStatus|module:svgcanvas.ExtensionIDsUpdatedStatus|module:locale.ExtensionLocaleData[]|undefined} module:svgcanvas.ExtensionStatus\n* @tutorial ExtensionDocs\n*/\n/**\n* @callback module:svgcanvas.ExtensionVarBuilder\n* @param {string} name The name of the extension\n*/\n/**\n* @todo Consider: Should this return an array by default, so extension results aren't overwritten?\n* @todo Would be easier to document if passing in object with key of action and vars as value; could then define an interface which tied both together\n* @function module:svgcanvas.SvgCanvas#runExtensions\n* @param {\"mouseDown\"|\"mouseMove\"|\"mouseUp\"|\"zoomChanged\"|\"IDsUpdated\"|\"canvasUpdated\"|\"toolButtonStateUpdate\"|\"selectedChanged\"|\"elementTransition\"|\"elementChanged\"|\"langReady\"|\"langChanged\"|\"addLangData\"|\"onNewDocument\"|\"workareaResized\"} action\n* @param {module:svgcanvas.SvgCanvas#event:ext-mouseDown|module:svgcanvas.SvgCanvas#event:ext-mouseMove|module:svgcanvas.SvgCanvas#event:ext-mouseUp|module:svgcanvas.SvgCanvas#event:ext-zoomChanged|module:svgcanvas.SvgCanvas#event:ext-IDsUpdated|module:svgcanvas.SvgCanvas#event:ext-canvasUpdated|module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate|module:svgcanvas.SvgCanvas#event:ext-selectedChanged|module:svgcanvas.SvgCanvas#event:ext-elementTransition|module:svgcanvas.SvgCanvas#event:ext-elementChanged|module:svgcanvas.SvgCanvas#event:ext-langReady|module:svgcanvas.SvgCanvas#event:ext-langChanged|module:svgcanvas.SvgCanvas#event:ext-addLangData|module:svgcanvas.SvgCanvas#event:ext-onNewDocument|module:svgcanvas.SvgCanvas#event:ext-workareaResized|module:svgcanvas.ExtensionVarBuilder} [vars]\n* @param {boolean} [returnArray]\n* @returns {GenericArray.<module:svgcanvas.ExtensionStatus>|module:svgcanvas.ExtensionStatus|false} See {@tutorial ExtensionDocs} on the ExtensionStatus.\n*/\nconst runExtensions = this.runExtensions = function (action, vars, returnArray) {\n  let result = returnArray ? [] : false;\n  $.each(extensions, function (name, ext) {\n    if (ext && action in ext) {\n      if (typeof vars === 'function') {\n        vars = vars(name); // ext, action\n      }\n      if (returnArray) {\n        result.push(ext[action](vars));\n      } else {\n        result = ext[action](vars);\n      }\n    }\n  });\n  return result;\n};\n\n/**\n* @typedef {PlainObject} module:svgcanvas.ExtensionMouseDownStatus\n* @property {boolean} started Indicates that creating/editing has started\n*/\n/**\n* @typedef {PlainObject} module:svgcanvas.ExtensionMouseUpStatus\n* @property {boolean} keep Indicates if the current element should be kept\n* @property {boolean} started Indicates if editing should still be considered as \"started\"\n* @property {Element} element The element being affected\n*/\n/**\n* @typedef {PlainObject} module:svgcanvas.ExtensionIDsUpdatedStatus\n* @property {string[]} remove Contains string IDs (used by `ext-connector.js`)\n*/\n\n/**\n * @interface module:svgcanvas.ExtensionInitResponse\n * @property {module:SVGEditor.ContextTool[]|PlainObject.<string, module:SVGEditor.ContextTool>} [context_tools]\n * @property {module:SVGEditor.Button[]|PlainObject.<Integer, module:SVGEditor.Button>} [buttons]\n * @property {string} [svgicons] The location of a local SVG or SVGz file\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#mouseDown\n * @param {module:svgcanvas.SvgCanvas#event:ext-mouseDown} arg\n * @returns {undefined|module:svgcanvas.ExtensionMouseDownStatus}\n */\n/**\n * @function module:svgcanvas.ExtensionInitResponse#mouseMove\n * @param {module:svgcanvas.SvgCanvas#event:ext-mouseMove} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#mouseUp\n * @param {module:svgcanvas.SvgCanvas#event:ext-mouseUp} arg\n * @returns {module:svgcanvas.ExtensionMouseUpStatus}\n */\n/**\n * @function module:svgcanvas.ExtensionInitResponse#zoomChanged\n * @param {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#IDsUpdated\n * @param {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} arg\n * @returns {module:svgcanvas.ExtensionIDsUpdatedStatus}\n */\n/**\n * @function module:svgcanvas.ExtensionInitResponse#canvasUpdated\n * @param {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#toolButtonStateUpdate\n * @param {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#selectedChanged\n * @param {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#elementTransition\n * @param {module:svgcanvas.SvgCanvas#event:ext-elementTransition} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#elementChanged\n * @param {module:svgcanvas.SvgCanvas#event:ext-elementChanged} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#langReady\n * @param {module:svgcanvas.SvgCanvas#event:ext-langReady} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#langChanged\n * @param {module:svgcanvas.SvgCanvas#event:ext-langChanged} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#addLangData\n * @param {module:svgcanvas.SvgCanvas#event:ext-addLangData} arg\n * @returns {Promise} Resolves to {@link module:locale.ExtensionLocaleData}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#onNewDocument\n * @param {module:svgcanvas.SvgCanvas#event:ext-onNewDocument} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#workareaResized\n * @param {module:svgcanvas.SvgCanvas#event:ext-workareaResized} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#callback\n * @param {module:svgcanvas.SvgCanvas#event:ext-callback} arg\n * @returns {undefined}\n*/\n\n/**\n* @callback module:svgcanvas.ExtensionInitCallback\n* @this module:SVGEditor\n* @param {module:svgcanvas.ExtensionArgumentObject} arg\n* @returns {Promise} Resolves to [ExtensionInitResponse]{@link module:svgcanvas.ExtensionInitResponse} or `undefined`\n*/\n/**\n* Add an extension to the editor\n* @function module:svgcanvas.SvgCanvas#addExtension\n* @param {string} name - String with the ID of the extension. Used internally; no need for i18n.\n* @param {module:svgcanvas.ExtensionInitCallback} [extInitFunc] - Function supplied by the extension with its data\n* @param {module:SVGEditor~ImportLocale} importLocale\n* @fires module:svgcanvas.SvgCanvas#event:extension_added\n* @throws {TypeError} If `extInitFunc` is not a function\n* @returns {Promise} Resolves to `undefined`\n*/\nthis.addExtension = async function (name, extInitFunc, importLocale) {\n  if (typeof extInitFunc !== 'function') {\n    throw new TypeError('Function argument expected for `svgcanvas.addExtension`');\n  }\n  if (!(name in extensions)) {\n    // Provide private vars/funcs here. Is there a better way to do this?\n    /**\n     * @typedef {module:svgcanvas.PrivateMethods} module:svgcanvas.ExtensionArgumentObject\n     * @property {SVGSVGElement} svgroot See {@link module:svgcanvas~svgroot}\n     * @property {SVGSVGElement} svgcontent See {@link module:svgcanvas~svgcontent}\n     * @property {!(string|Integer)} nonce See {@link module:draw.Drawing#getNonce}\n     * @property {module:select.SelectorManager} selectorManager\n     * @property {module:SVGEditor~ImportLocale} importLocale\n     */\n    /**\n     * @type {module:svgcanvas.ExtensionArgumentObject}\n     * @see {@link module:svgcanvas.PrivateMethods} source for the other methods/properties\n     */\n    const argObj = $.extend(canvas.getPrivateMethods(), {\n      importLocale,\n      svgroot,\n      svgcontent,\n      nonce: getCurrentDrawing().getNonce(),\n      selectorManager\n    });\n    const extObj = await extInitFunc(argObj);\n    if (extObj) {\n      extObj.name = name;\n    }\n\n    extensions[name] = extObj;\n    return call('extension_added', extObj);\n  } else {\n    console.log('Cannot add extension \"' + name + '\", an extension by that name already exists.');\n  }\n};\n\n/**\n* This method sends back an array or a NodeList full of elements that\n* intersect the multi-select rubber-band-box on the currentLayer only.\n*\n* We brute-force `getIntersectionList` for browsers that do not support it (Firefox).\n*\n* Reference:\n* Firefox does not implement `getIntersectionList()`, see {@link https://bugzilla.mozilla.org/show_bug.cgi?id=501421}\n* @function module:svgcanvas.SvgCanvas#getIntersectionList\n* @param {SVGRect} rect\n* @returns {Element[]|NodeList} Bbox elements\n*/\nconst getIntersectionList = this.getIntersectionList = function (rect) {\n  if (rubberBox == null) { return null; }\n\n  const parent = currentGroup || getCurrentDrawing().getCurrentLayer();\n\n  let rubberBBox;\n  if (!rect) {\n    rubberBBox = rubberBox.getBBox();\n    const bb = svgcontent.createSVGRect();\n\n    for (const o in rubberBBox) {\n      bb[o] = rubberBBox[o] / currentZoom;\n    }\n    rubberBBox = bb;\n  } else {\n    rubberBBox = svgcontent.createSVGRect();\n    rubberBBox.x = rect.x;\n    rubberBBox.y = rect.y;\n    rubberBBox.width = rect.width;\n    rubberBBox.height = rect.height;\n  }\n\n  let resultList = null;\n  if (!isIE) {\n    if (typeof svgroot.getIntersectionList === 'function') {\n      // Offset the bbox of the rubber box by the offset of the svgcontent element.\n      rubberBBox.x += parseInt(svgcontent.getAttribute('x'), 10);\n      rubberBBox.y += parseInt(svgcontent.getAttribute('y'), 10);\n\n      resultList = svgroot.getIntersectionList(rubberBBox, parent);\n    }\n  }\n\n  if (resultList == null || typeof resultList.item !== 'function') {\n    resultList = [];\n\n    if (!curBBoxes.length) {\n      // Cache all bboxes\n      curBBoxes = getVisibleElementsAndBBoxes(parent);\n    }\n    let i = curBBoxes.length;\n    while (i--) {\n      if (!rubberBBox.width) { continue; }\n      if (rectsIntersect(rubberBBox, curBBoxes[i].bbox)) {\n        resultList.push(curBBoxes[i].elem);\n      }\n    }\n  }\n\n  // addToSelection expects an array, but it's ok to pass a NodeList\n  // because using square-bracket notation is allowed:\n  // https://www.w3.org/TR/DOM-Level-2-Core/ecma-script-binding.html\n  return resultList;\n};\n\nthis.getStrokedBBox = getStrokedBBoxDefaultVisible;\n\nthis.getVisibleElements = getVisibleElements;\n\n/**\n* @typedef {PlainObject} ElementAndBBox\n* @property {Element} elem - The element\n* @property {module:utilities.BBoxObject} bbox - The element's BBox as retrieved from `getStrokedBBoxDefaultVisible`\n*/\n\n/**\n* Get all elements that have a BBox (excludes `<defs>`, `<title>`, etc).\n* Note that 0-opacity, off-screen etc elements are still considered \"visible\"\n* for this function\n* @function module:svgcanvas.SvgCanvas#getVisibleElementsAndBBoxes\n* @param {Element} parent - The parent DOM element to search within\n* @returns {ElementAndBBox[]} An array with objects that include:\n*/\nconst getVisibleElementsAndBBoxes = this.getVisibleElementsAndBBoxes = function (parent) {\n  if (!parent) {\n    parent = $(svgcontent).children(); // Prevent layers from being included\n  }\n  const contentElems = [];\n  $(parent).children().each(function (i, elem) {\n    if (elem.getBBox) {\n      contentElems.push({elem, bbox: getStrokedBBoxDefaultVisible([elem])});\n    }\n  });\n  return contentElems.reverse();\n};\n\n/**\n* Wrap an SVG element into a group element, mark the group as 'gsvg'\n* @function module:svgcanvas.SvgCanvas#groupSvgElem\n* @param {Element} elem - SVG element to wrap\n* @returns {undefined}\n*/\nconst groupSvgElem = this.groupSvgElem = function (elem) {\n  const g = document.createElementNS(NS.SVG, 'g');\n  elem.replaceWith(g);\n  $(g).append(elem).data('gsvg', elem)[0].id = getNextId();\n};\n\n// Set scope for these functions\n\n// Object to contain editor event names and callback functions\nconst events = {};\n\ncanvas.call = call;\n/**\n * Array of what was changed (elements, layers)\n * @event module:svgcanvas.SvgCanvas#event:changed\n * @type {Element[]}\n */\n/**\n * Array of selected elements\n * @event module:svgcanvas.SvgCanvas#event:selected\n * @type {Element[]}\n */\n/**\n * Array of selected elements\n * @event module:svgcanvas.SvgCanvas#event:transition\n * @type {Element[]}\n */\n/**\n * The Element is always `SVGGElement`?\n * If not `null`, will be the set current group element\n * @event module:svgcanvas.SvgCanvas#event:contextset\n * @type {null|Element}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:pointsAdded\n * @type {PlainObject}\n * @property {boolean} closedSubpath\n * @property {SVGCircleElement[]} grips Grips elements\n */\n\n/**\n * @event module:svgcanvas.SvgCanvas#event:zoomed\n * @type {PlainObject}\n * @property {Float} x\n * @property {Float} y\n * @property {Float} width\n * @property {Float} height\n * @property {0.5|2} factor\n * @see module:SVGEditor.BBoxObjectWithFactor\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:updateCanvas\n * @type {PlainObject}\n * @property {false} center\n * @property {module:math.XYObject} newCtr\n */\n/**\n * @typedef {PlainObject} module:svgcanvas.ExtensionInitResponsePlusName\n * @implements {module:svgcanvas.ExtensionInitResponse}\n * @property {string} name The extension's resolved ID (whether explicit or based on file name)\n */\n/**\n * Generalized extension object response of\n * [`init()`]{@link module:svgcanvas.ExtensionInitCallback}\n * along with the name of the extension.\n * @event module:svgcanvas.SvgCanvas#event:extension_added\n * @type {module:svgcanvas.ExtensionInitResponsePlusName|undefined}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:extensions_added\n * @type {undefined}\n*/\n/**\n * @typedef {PlainObject} module:svgcanvas.Message\n * @property {Any} data The data\n * @property {string} origin The origin\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:message\n * @type {module:svgcanvas.Message}\n */\n/**\n * SVG canvas converted to string\n * @event module:svgcanvas.SvgCanvas#event:saved\n * @type {string}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:setnonce\n * @type {!(string|Integer)}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:unsetnonce\n * @type {undefined}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:zoomDone\n * @type {undefined}\n*/\n/**\n * @event module:svgcanvas.SvgCanvas#event:cleared\n * @type {undefined}\n*/\n\n/**\n * @event module:svgcanvas.SvgCanvas#event:exported\n * @type {module:svgcanvas.ImageExportedResults}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:exportedPDF\n * @type {module:svgcanvas.PDFExportedResults}\n */\n/**\n * Creating a cover-all class until {@link https://github.com/jsdoc3/jsdoc/issues/1545} may be supported.\n * `undefined` may be returned by {@link module:svgcanvas.SvgCanvas#event:extension_added} if the extension's `init` returns `undefined` It is also the type for the following events \"zoomDone\", \"unsetnonce\", \"cleared\", and \"extensions_added\".\n * @event module:svgcanvas.SvgCanvas#event:GenericCanvasEvent\n * @type {module:svgcanvas.SvgCanvas#event:selected|module:svgcanvas.SvgCanvas#event:changed|module:svgcanvas.SvgCanvas#event:contextset|module:svgcanvas.SvgCanvas#event:pointsAdded|module:svgcanvas.SvgCanvas#event:extension_added|module:svgcanvas.SvgCanvas#event:extensions_added|module:svgcanvas.SvgCanvas#event:message|module:svgcanvas.SvgCanvas#event:transition|module:svgcanvas.SvgCanvas#event:zoomed|module:svgcanvas.SvgCanvas#event:updateCanvas|module:svgcanvas.SvgCanvas#event:saved|module:svgcanvas.SvgCanvas#event:exported|module:svgcanvas.SvgCanvas#event:exportedPDF|module:svgcanvas.SvgCanvas#event:setnonce|module:svgcanvas.SvgCanvas#event:unsetnonce|undefined}\n */\n\n/**\n* @callback module:svgcanvas.EventHandler\n* @param {external:Window} win\n* @param {module:svgcanvas.SvgCanvas#event:GenericCanvasEvent} arg\n* @listens module:svgcanvas.SvgCanvas#event:GenericCanvasEvent\n*/\n\n/**\n* Attaches a callback function to an event\n* @function module:svgcanvas.SvgCanvas#bind\n* @param {\"changed\"|\"contextset\"|\"selected\"|\"pointsAdded\"|\"extension_added\"|\"extensions_added\"|\"message\"|\"transition\"|\"zoomed\"|\"updateCanvas\"|\"zoomDone\"|\"saved\"|\"exported\"|\"exportedPDF\"|\"setnonce\"|\"unsetnonce\"|\"cleared\"} ev - String indicating the name of the event\n* @param {module:svgcanvas.EventHandler} f - The callback function to bind to the event\n* @returns {module:svgcanvas.EventHandler} The previous event\n*/\ncanvas.bind = function (ev, f) {\n  const old = events[ev];\n  events[ev] = f;\n  return old;\n};\n\n/**\n* Runs the SVG Document through the sanitizer and then updates its paths.\n* @function module:svgcanvas.SvgCanvas#prepareSvg\n* @param {XMLDocument} newDoc - The SVG DOM document\n* @returns {undefined}\n*/\nthis.prepareSvg = function (newDoc) {\n  this.sanitizeSvg(newDoc.documentElement);\n\n  // convert paths into absolute commands\n  const paths = [...newDoc.getElementsByTagNameNS(NS.SVG, 'path')];\n  paths.forEach((path) => {\n    path.setAttribute('d', pathActions.convertPath(path));\n    pathActions.fixEnd(path);\n  });\n};\n\n/**\n* Hack for Firefox bugs where text element features aren't updated or get\n* messed up. See issue 136 and issue 137.\n* This function clones the element and re-selects it.\n* @function module:svgcanvas~ffClone\n* @todo Test for this bug on load and add it to \"support\" object instead of\n* browser sniffing\n* @param {Element} elem - The (text) DOM element to clone\n* @returns {Element} Cloned element\n*/\nconst ffClone = function (elem) {\n  if (!isGecko()) { return elem; }\n  const clone = elem.cloneNode(true);\n  elem.before(clone);\n  elem.remove();\n  selectorManager.releaseSelector(elem);\n  selectedElements[0] = clone;\n  selectorManager.requestSelector(clone).showGrips(true);\n  return clone;\n};\n\n// `this.each` is deprecated, if any extension used this it can be recreated by doing this:\n// * @example $(canvas.getRootElem()).children().each(...)\n// * @function module:svgcanvas.SvgCanvas#each\n// this.each = function (cb) {\n//  $(svgroot).children().each(cb);\n// };\n\n/**\n* Removes any old rotations if present, prepends a new rotation at the\n* transformed center\n* @function module:svgcanvas.SvgCanvas#setRotationAngle\n* @param {string|Float} val - The new rotation angle in degrees\n* @param {boolean} preventUndo - Indicates whether the action should be undoable or not\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setRotationAngle = function (val, preventUndo) {\n  // ensure val is the proper type\n  val = parseFloat(val);\n  const elem = selectedElements[0];\n  const oldTransform = elem.getAttribute('transform');\n  const bbox = utilsGetBBox(elem);\n  const cx = bbox.x + bbox.width / 2, cy = bbox.y + bbox.height / 2;\n  const tlist = getTransformList(elem);\n\n  // only remove the real rotational transform if present (i.e. at index=0)\n  if (tlist.numberOfItems > 0) {\n    const xform = tlist.getItem(0);\n    if (xform.type === 4) {\n      tlist.removeItem(0);\n    }\n  }\n  // find Rnc and insert it\n  if (val !== 0) {\n    const center = transformPoint(cx, cy, transformListToTransform(tlist).matrix);\n    const Rnc = svgroot.createSVGTransform();\n    Rnc.setRotate(val, center.x, center.y);\n    if (tlist.numberOfItems) {\n      tlist.insertItemBefore(Rnc, 0);\n    } else {\n      tlist.appendItem(Rnc);\n    }\n  } else if (tlist.numberOfItems === 0) {\n    elem.removeAttribute('transform');\n  }\n\n  if (!preventUndo) {\n    // we need to undo it, then redo it so it can be undo-able! :)\n    // TODO: figure out how to make changes to transform list undo-able cross-browser?\n    const newTransform = elem.getAttribute('transform');\n    elem.setAttribute('transform', oldTransform);\n    changeSelectedAttribute('transform', newTransform, selectedElements);\n    call('changed', selectedElements);\n  }\n  // const pointGripContainer = getElem('pathpointgrip_container');\n  // if (elem.nodeName === 'path' && pointGripContainer) {\n  //   pathActions.setPointContainerTransform(elem.getAttribute('transform'));\n  // }\n  const selector = selectorManager.requestSelector(selectedElements[0]);\n  selector.resize();\n  selector.updateGripCursors(val);\n};\n\n/**\n* Runs `recalculateDimensions` on the selected elements,\n* adding the changes to a single batch command\n* @function module:svgcanvas.SvgCanvas#recalculateAllSelectedDimensions\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nconst recalculateAllSelectedDimensions = this.recalculateAllSelectedDimensions = function () {\n  const text = (currentResizeMode === 'none' ? 'position' : 'size');\n  const batchCmd = new BatchCommand(text);\n\n  let i = selectedElements.length;\n  while (i--) {\n    const elem = selectedElements[i];\n    // if (getRotationAngle(elem) && !hasMatrixTransform(getTransformList(elem))) { continue; }\n    const cmd = recalculateDimensions(elem);\n    if (cmd) {\n      batchCmd.addSubCommand(cmd);\n    }\n  }\n\n  if (!batchCmd.isEmpty()) {\n    addCommandToHistory(batchCmd);\n    call('changed', selectedElements);\n  }\n};\n\n/**\n * Debug tool to easily see the current matrix in the browser's console\n * @function module:svgcanvas~logMatrix\n * @param {SVGMatrix} m The matrix\n * @returns {undefined}\n */\nconst logMatrix = function (m) {\n  console.log([m.a, m.b, m.c, m.d, m.e, m.f]);\n};\n\n// Root Current Transformation Matrix in user units\nlet rootSctm = null;\n\n/**\n* Group: Selection\n*/\n\n// TODO: do we need to worry about selectedBBoxes here?\n\n/**\n* Selects only the given elements, shortcut for clearSelection(); addToSelection()\n* @function module:svgcanvas.SvgCanvas#selectOnly\n* @param {Element[]} elems - an array of DOM elements to be selected\n* @param {boolean} showGrips - Indicates whether the resize grips should be shown\n* @returns {undefined}\n*/\nconst selectOnly = this.selectOnly = function (elems, showGrips) {\n  clearSelection(true);\n  addToSelection(elems, showGrips);\n};\n\n// TODO: could use slice here to make this faster?\n// TODO: should the 'selected' handler\n\n/**\n* Removes elements from the selection.\n* @function module:svgcanvas.SvgCanvas#removeFromSelection\n* @param {Element[]} elemsToRemove - An array of elements to remove from selection\n* @returns {undefined}\n*/\n/* const removeFromSelection = */ this.removeFromSelection = function (elemsToRemove) {\n  if (selectedElements[0] == null) { return; }\n  if (!elemsToRemove.length) { return; }\n\n  // find every element and remove it from our array copy\n  const newSelectedItems = [],\n    len = selectedElements.length;\n  for (let i = 0; i < len; ++i) {\n    const elem = selectedElements[i];\n    if (elem) {\n      // keep the item\n      if (!elemsToRemove.includes(elem)) {\n        newSelectedItems.push(elem);\n      } else { // remove the item and its selector\n        selectorManager.releaseSelector(elem);\n      }\n    }\n  }\n  // the copy becomes the master now\n  selectedElements = newSelectedItems;\n};\n\n/**\n* Clears the selection, then adds all elements in the current layer to the selection.\n* @function module:svgcanvas.SvgCanvas#selectAllInCurrentLayer\n* @returns {undefined}\n*/\nthis.selectAllInCurrentLayer = function () {\n  const currentLayer = getCurrentDrawing().getCurrentLayer();\n  if (currentLayer) {\n    currentMode = 'select';\n    selectOnly($(currentGroup || currentLayer).children());\n  }\n};\n\nlet drawnPath = null;\n\n// Mouse events\n(function () {\nconst freehand = {\n  minx: null,\n  miny: null,\n  maxx: null,\n  maxy: null\n};\nconst THRESHOLD_DIST = 0.8,\n  STEP_COUNT = 10;\nlet dAttr = null,\n  startX = null,\n  startY = null,\n  rStartX = null,\n  rStartY = null,\n  initBbox = {},\n  sumDistance = 0,\n  controllPoint2 = {x: 0, y: 0},\n  controllPoint1 = {x: 0, y: 0},\n  start = {x: 0, y: 0},\n  end = {x: 0, y: 0},\n  bSpline = {x: 0, y: 0},\n  nextPos = {x: 0, y: 0},\n  parameter,\n  nextParameter;\n\nconst getBsplinePoint = function (t) {\n  const spline = {x: 0, y: 0},\n    p0 = controllPoint2,\n    p1 = controllPoint1,\n    p2 = start,\n    p3 = end,\n    S = 1.0 / 6.0,\n    t2 = t * t,\n    t3 = t2 * t;\n\n  const m = [\n    [-1, 3, -3, 1],\n    [3, -6, 3, 0],\n    [-3, 0, 3, 0],\n    [1, 4, 1, 0]\n  ];\n\n  spline.x = S * (\n    (p0.x * m[0][0] + p1.x * m[0][1] + p2.x * m[0][2] + p3.x * m[0][3]) * t3 +\n      (p0.x * m[1][0] + p1.x * m[1][1] + p2.x * m[1][2] + p3.x * m[1][3]) * t2 +\n      (p0.x * m[2][0] + p1.x * m[2][1] + p2.x * m[2][2] + p3.x * m[2][3]) * t +\n      (p0.x * m[3][0] + p1.x * m[3][1] + p2.x * m[3][2] + p3.x * m[3][3])\n  );\n  spline.y = S * (\n    (p0.y * m[0][0] + p1.y * m[0][1] + p2.y * m[0][2] + p3.y * m[0][3]) * t3 +\n      (p0.y * m[1][0] + p1.y * m[1][1] + p2.y * m[1][2] + p3.y * m[1][3]) * t2 +\n      (p0.y * m[2][0] + p1.y * m[2][1] + p2.y * m[2][2] + p3.y * m[2][3]) * t +\n      (p0.y * m[3][0] + p1.y * m[3][1] + p2.y * m[3][2] + p3.y * m[3][3])\n  );\n\n  return {\n    x: spline.x,\n    y: spline.y\n  };\n};\n/**\n * - When we are in a create mode, the element is added to the canvas but the\n *   action is not recorded until mousing up.\n * - When we are in select mode, select the element, remember the position\n *   and do nothing else\n * @param {MouseEvent} evt\n * @fires module:svgcanvas.SvgCanvas#event:ext-mouseDown\n * @returns {undefined}\n */\nconst mouseDown = function (evt) {\n  if (canvas.spaceKey || evt.button === 1) { return; }\n\n  const rightClick = evt.button === 2;\n\n  if (evt.altKey) { // duplicate when dragging\n    canvas.cloneSelectedElements(0, 0);\n  }\n\n  rootSctm = $('#svgcontent g')[0].getScreenCTM().inverse();\n\n  const pt = transformPoint(evt.pageX, evt.pageY, rootSctm),\n    mouseX = pt.x * currentZoom,\n    mouseY = pt.y * currentZoom;\n\n  evt.preventDefault();\n\n  if (rightClick) {\n    currentMode = 'select';\n    lastClickPoint = pt;\n  }\n\n  // This would seem to be unnecessary...\n  // if (!['select', 'resize'].includes(currentMode)) {\n  //   setGradient();\n  // }\n\n  let x = mouseX / currentZoom,\n    y = mouseY / currentZoom;\n  let mouseTarget = getMouseTarget(evt);\n\n  if (mouseTarget.tagName === 'a' && mouseTarget.childNodes.length === 1) {\n    mouseTarget = mouseTarget.firstChild;\n  }\n\n  // realX/y ignores grid-snap value\n  const realX = x;\n  rStartX = startX = x;\n  const realY = y;\n  rStartY = startY = y;\n\n  if (curConfig.gridSnapping) {\n    x = snapToGrid(x);\n    y = snapToGrid(y);\n    startX = snapToGrid(startX);\n    startY = snapToGrid(startY);\n  }\n\n  // if it is a selector grip, then it must be a single element selected,\n  // set the mouseTarget to that and update the mode to rotate/resize\n\n  if (mouseTarget === selectorManager.selectorParentGroup && selectedElements[0] != null) {\n    const grip = evt.target;\n    const griptype = elData(grip, 'type');\n    // rotating\n    if (griptype === 'rotate') {\n      currentMode = 'rotate';\n    // resizing\n    } else if (griptype === 'resize') {\n      currentMode = 'resize';\n      currentResizeMode = elData(grip, 'dir');\n    }\n    mouseTarget = selectedElements[0];\n  }\n\n  startTransform = mouseTarget.getAttribute('transform');\n  let i, strokeW;\n  const tlist = getTransformList(mouseTarget);\n  switch (currentMode) {\n  case 'select':\n    started = true;\n    currentResizeMode = 'none';\n    if (rightClick) { started = false; }\n\n    if (mouseTarget !== svgroot) {\n      // if this element is not yet selected, clear selection and select it\n      if (!selectedElements.includes(mouseTarget)) {\n        // only clear selection if shift is not pressed (otherwise, add\n        // element to selection)\n        if (!evt.shiftKey) {\n          // No need to do the call here as it will be done on addToSelection\n          clearSelection(true);\n        }\n        addToSelection([mouseTarget]);\n        justSelected = mouseTarget;\n        pathActions.clear();\n      }\n      // else if it's a path, go into pathedit mode in mouseup\n\n      if (!rightClick) {\n        // insert a dummy transform so if the element(s) are moved it will have\n        // a transform to use for its translate\n        for (i = 0; i < selectedElements.length; ++i) {\n          if (selectedElements[i] == null) { continue; }\n          const slist = getTransformList(selectedElements[i]);\n          if (slist.numberOfItems) {\n            slist.insertItemBefore(svgroot.createSVGTransform(), 0);\n          } else {\n            slist.appendItem(svgroot.createSVGTransform());\n          }\n        }\n      }\n    } else if (!rightClick) {\n      clearSelection();\n      currentMode = 'multiselect';\n      if (rubberBox == null) {\n        rubberBox = selectorManager.getRubberBandBox();\n      }\n      rStartX *= currentZoom;\n      rStartY *= currentZoom;\n      // console.log('p',[evt.pageX, evt.pageY]);\n      // console.log('c',[evt.clientX, evt.clientY]);\n      // console.log('o',[evt.offsetX, evt.offsetY]);\n      // console.log('s',[startX, startY]);\n\n      assignAttributes(rubberBox, {\n        x: rStartX,\n        y: rStartY,\n        width: 0,\n        height: 0,\n        display: 'inline'\n      }, 100);\n    }\n    break;\n  case 'zoom':\n    started = true;\n    if (rubberBox == null) {\n      rubberBox = selectorManager.getRubberBandBox();\n    }\n    assignAttributes(rubberBox, {\n      x: realX * currentZoom,\n      y: realX * currentZoom,\n      width: 0,\n      height: 0,\n      display: 'inline'\n    }, 100);\n    break;\n  case 'resize':\n    started = true;\n    startX = x;\n    startY = y;\n\n    // Getting the BBox from the selection box, since we know we\n    // want to orient around it\n    initBbox = utilsGetBBox($('#selectedBox0')[0]);\n    const bb = {};\n    $.each(initBbox, function (key, val) {\n      bb[key] = val / currentZoom;\n    });\n    initBbox = bb;\n\n    // append three dummy transforms to the tlist so that\n    // we can translate,scale,translate in mousemove\n    const pos = getRotationAngle(mouseTarget) ? 1 : 0;\n\n    if (hasMatrixTransform(tlist)) {\n      tlist.insertItemBefore(svgroot.createSVGTransform(), pos);\n      tlist.insertItemBefore(svgroot.createSVGTransform(), pos);\n      tlist.insertItemBefore(svgroot.createSVGTransform(), pos);\n    } else {\n      tlist.appendItem(svgroot.createSVGTransform());\n      tlist.appendItem(svgroot.createSVGTransform());\n      tlist.appendItem(svgroot.createSVGTransform());\n\n      if (supportsNonScalingStroke()) {\n        // Handle crash for newer Chrome and Safari 6 (Mobile and Desktop):\n        // https://code.google.com/p/svg-edit/issues/detail?id=904\n        // Chromium issue: https://code.google.com/p/chromium/issues/detail?id=114625\n        // TODO: Remove this workaround once vendor fixes the issue\n        const iswebkit = isWebkit();\n\n        let delayedStroke;\n        if (iswebkit) {\n          delayedStroke = function (ele) {\n            const _stroke = ele.getAttributeNS(null, 'stroke');\n            ele.removeAttributeNS(null, 'stroke');\n            // Re-apply stroke after delay. Anything higher than 1 seems to cause flicker\n            if (_stroke !== null) setTimeout(function () { ele.setAttributeNS(null, 'stroke', _stroke); }, 0);\n          };\n        }\n        mouseTarget.style.vectorEffect = 'non-scaling-stroke';\n        if (iswebkit) { delayedStroke(mouseTarget); }\n\n        const all = mouseTarget.getElementsByTagName('*'),\n          len = all.length;\n        for (i = 0; i < len; i++) {\n          if (!all[i].style) { // mathML\n            continue;\n          }\n          all[i].style.vectorEffect = 'non-scaling-stroke';\n          if (iswebkit) { delayedStroke(all[i]); }\n        }\n      }\n    }\n    break;\n  case 'fhellipse':\n  case 'fhrect':\n  case 'fhpath':\n    start.x = realX;\n    start.y = realY;\n    started = true;\n    dAttr = realX + ',' + realY + ' ';\n    // Commented out as doing nothing now:\n    // strokeW = parseFloat(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;\n    addSVGElementFromJson({\n      element: 'polyline',\n      curStyles: true,\n      attr: {\n        points: dAttr,\n        id: getNextId(),\n        fill: 'none',\n        opacity: curShape.opacity / 2,\n        'stroke-linecap': 'round',\n        style: 'pointer-events:none'\n      }\n    });\n    freehand.minx = realX;\n    freehand.maxx = realX;\n    freehand.miny = realY;\n    freehand.maxy = realY;\n    break;\n  case 'image':\n    started = true;\n    const newImage = addSVGElementFromJson({\n      element: 'image',\n      attr: {\n        x,\n        y,\n        width: 0,\n        height: 0,\n        id: getNextId(),\n        opacity: curShape.opacity / 2,\n        style: 'pointer-events:inherit'\n      }\n    });\n    setHref(newImage, lastGoodImgUrl);\n    preventClickDefault(newImage);\n    break;\n  case 'square':\n    // FIXME: once we create the rect, we lose information that this was a square\n    // (for resizing purposes this could be important)\n    // Fallthrough\n  case 'rect':\n    started = true;\n    startX = x;\n    startY = y;\n    addSVGElementFromJson({\n      element: 'rect',\n      curStyles: true,\n      attr: {\n        x,\n        y,\n        width: 0,\n        height: 0,\n        id: getNextId(),\n        opacity: curShape.opacity / 2\n      }\n    });\n    break;\n  case 'line':\n    started = true;\n    strokeW = Number(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;\n    addSVGElementFromJson({\n      element: 'line',\n      curStyles: true,\n      attr: {\n        x1: x,\n        y1: y,\n        x2: x,\n        y2: y,\n        id: getNextId(),\n        stroke: curShape.stroke,\n        'stroke-width': strokeW,\n        'stroke-dasharray': curShape.stroke_dasharray,\n        'stroke-linejoin': curShape.stroke_linejoin,\n        'stroke-linecap': curShape.stroke_linecap,\n        'stroke-opacity': curShape.stroke_opacity,\n        fill: 'none',\n        opacity: curShape.opacity / 2,\n        style: 'pointer-events:none'\n      }\n    });\n    break;\n  case 'circle':\n    started = true;\n    addSVGElementFromJson({\n      element: 'circle',\n      curStyles: true,\n      attr: {\n        cx: x,\n        cy: y,\n        r: 0,\n        id: getNextId(),\n        opacity: curShape.opacity / 2\n      }\n    });\n    break;\n  case 'ellipse':\n    started = true;\n    addSVGElementFromJson({\n      element: 'ellipse',\n      curStyles: true,\n      attr: {\n        cx: x,\n        cy: y,\n        rx: 0,\n        ry: 0,\n        id: getNextId(),\n        opacity: curShape.opacity / 2\n      }\n    });\n    break;\n  case 'text':\n    started = true;\n    /* const newText = */ addSVGElementFromJson({\n      element: 'text',\n      curStyles: true,\n      attr: {\n        x,\n        y,\n        id: getNextId(),\n        fill: curText.fill,\n        'stroke-width': curText.stroke_width,\n        'font-size': curText.font_size,\n        'font-family': curText.font_family,\n        'text-anchor': 'middle',\n        'xml:space': 'preserve',\n        opacity: curShape.opacity\n      }\n    });\n    // newText.textContent = 'text';\n    break;\n  case 'path':\n    // Fall through\n  case 'pathedit':\n    startX *= currentZoom;\n    startY *= currentZoom;\n    pathActions.mouseDown(evt, mouseTarget, startX, startY);\n    started = true;\n    break;\n  case 'textedit':\n    startX *= currentZoom;\n    startY *= currentZoom;\n    textActions.mouseDown(evt, mouseTarget, startX, startY);\n    started = true;\n    break;\n  case 'rotate':\n    started = true;\n    // we are starting an undoable change (a drag-rotation)\n    canvas.undoMgr.beginUndoableChange('transform', selectedElements);\n    break;\n  default:\n    // This could occur in an extension\n    break;\n  }\n\n  /**\n   * The main (left) mouse button is held down on the canvas area\n   * @event module:svgcanvas.SvgCanvas#event:ext-mouseDown\n   * @type {PlainObject}\n   * @property {MouseEvent} event The event object\n   * @property {Float} start_x x coordinate on canvas\n   * @property {Float} start_y y coordinate on canvas\n   * @property {Element[]} selectedElements An array of the selected Elements\n  */\n  const extResult = runExtensions('mouseDown', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseDown} */ {\n    event: evt,\n    start_x: startX,\n    start_y: startY,\n    selectedElements\n  }, true);\n\n  $.each(extResult, function (i, r) {\n    if (r && r.started) {\n      started = true;\n    }\n  });\n};\n\n// in this function we do not record any state changes yet (but we do update\n// any elements that are still being created, moved or resized on the canvas)\n/**\n *\n * @param {MouseEvent} evt\n * @fires module:svgcanvas.SvgCanvas#event:transition\n * @fires module:svgcanvas.SvgCanvas#event:ext-mouseMove\n * @returns {undefined}\n */\nconst mouseMove = function (evt) {\n  if (!started) { return; }\n  if (evt.button === 1 || canvas.spaceKey) { return; }\n\n  let i, xya, c, cx, cy, dx, dy, len, angle, box,\n    selected = selectedElements[0];\n  const\n    pt = transformPoint(evt.pageX, evt.pageY, rootSctm),\n    mouseX = pt.x * currentZoom,\n    mouseY = pt.y * currentZoom,\n    shape = getElem(getId());\n\n  let realX = mouseX / currentZoom;\n  let x = realX;\n  let realY = mouseY / currentZoom;\n  let y = realY;\n\n  if (curConfig.gridSnapping) {\n    x = snapToGrid(x);\n    y = snapToGrid(y);\n  }\n\n  evt.preventDefault();\n  let tlist;\n  switch (currentMode) {\n  case 'select': {\n    // we temporarily use a translate on the element(s) being dragged\n    // this transform is removed upon mousing up and the element is\n    // relocated to the new location\n    if (selectedElements[0] !== null) {\n      dx = x - startX;\n      dy = y - startY;\n\n      if (curConfig.gridSnapping) {\n        dx = snapToGrid(dx);\n        dy = snapToGrid(dy);\n      }\n\n      /*\n      // Commenting out as currently has no effect\n      if (evt.shiftKey) {\n        xya = snapToAngle(startX, startY, x, y);\n        ({x, y} = xya);\n      }\n      */\n\n      if (dx !== 0 || dy !== 0) {\n        len = selectedElements.length;\n        for (i = 0; i < len; ++i) {\n          selected = selectedElements[i];\n          if (selected == null) { break; }\n          // if (i === 0) {\n          //   const box = utilsGetBBox(selected);\n          //     selectedBBoxes[i].x = box.x + dx;\n          //     selectedBBoxes[i].y = box.y + dy;\n          // }\n\n          // update the dummy transform in our transform list\n          // to be a translate\n          const xform = svgroot.createSVGTransform();\n          tlist = getTransformList(selected);\n          // Note that if Webkit and there's no ID for this\n          // element, the dummy transform may have gotten lost.\n          // This results in unexpected behaviour\n\n          xform.setTranslate(dx, dy);\n          if (tlist.numberOfItems) {\n            tlist.replaceItem(xform, 0);\n          } else {\n            tlist.appendItem(xform);\n          }\n\n          // update our internal bbox that we're tracking while dragging\n          selectorManager.requestSelector(selected).resize();\n        }\n\n        call('transition', selectedElements);\n      }\n    }\n    break;\n  } case 'multiselect': {\n    realX *= currentZoom;\n    realY *= currentZoom;\n    assignAttributes(rubberBox, {\n      x: Math.min(rStartX, realX),\n      y: Math.min(rStartY, realY),\n      width: Math.abs(realX - rStartX),\n      height: Math.abs(realY - rStartY)\n    }, 100);\n\n    // for each selected:\n    // - if newList contains selected, do nothing\n    // - if newList doesn't contain selected, remove it from selected\n    // - for any newList that was not in selectedElements, add it to selected\n    const elemsToRemove = selectedElements.slice(), elemsToAdd = [],\n      newList = getIntersectionList();\n\n    // For every element in the intersection, add if not present in selectedElements.\n    len = newList.length;\n    for (i = 0; i < len; ++i) {\n      const intElem = newList[i];\n      // Found an element that was not selected before, so we should add it.\n      if (!selectedElements.includes(intElem)) {\n        elemsToAdd.push(intElem);\n      }\n      // Found an element that was already selected, so we shouldn't remove it.\n      const foundInd = elemsToRemove.indexOf(intElem);\n      if (foundInd !== -1) {\n        elemsToRemove.splice(foundInd, 1);\n      }\n    }\n\n    if (elemsToRemove.length > 0) {\n      canvas.removeFromSelection(elemsToRemove);\n    }\n\n    if (elemsToAdd.length > 0) {\n      canvas.addToSelection(elemsToAdd);\n    }\n\n    break;\n  } case 'resize': {\n    // we track the resize bounding box and translate/scale the selected element\n    // while the mouse is down, when mouse goes up, we use this to recalculate\n    // the shape's coordinates\n    tlist = getTransformList(selected);\n    const hasMatrix = hasMatrixTransform(tlist);\n    box = hasMatrix ? initBbox : utilsGetBBox(selected);\n    let left = box.x,\n      top = box.y,\n      {width, height} = box;\n    dx = (x - startX);\n    dy = (y - startY);\n\n    if (curConfig.gridSnapping) {\n      dx = snapToGrid(dx);\n      dy = snapToGrid(dy);\n      height = snapToGrid(height);\n      width = snapToGrid(width);\n    }\n\n    // if rotated, adjust the dx,dy values\n    angle = getRotationAngle(selected);\n    if (angle) {\n      const r = Math.sqrt(dx * dx + dy * dy),\n        theta = Math.atan2(dy, dx) - angle * Math.PI / 180.0;\n      dx = r * Math.cos(theta);\n      dy = r * Math.sin(theta);\n    }\n\n    // if not stretching in y direction, set dy to 0\n    // if not stretching in x direction, set dx to 0\n    if (!currentResizeMode.includes('n') && !currentResizeMode.includes('s')) {\n      dy = 0;\n    }\n    if (!currentResizeMode.includes('e') && !currentResizeMode.includes('w')) {\n      dx = 0;\n    }\n\n    let // ts = null,\n      tx = 0, ty = 0,\n      sy = height ? (height + dy) / height : 1,\n      sx = width ? (width + dx) / width : 1;\n    // if we are dragging on the north side, then adjust the scale factor and ty\n    if (currentResizeMode.includes('n')) {\n      sy = height ? (height - dy) / height : 1;\n      ty = height;\n    }\n\n    // if we dragging on the east side, then adjust the scale factor and tx\n    if (currentResizeMode.includes('w')) {\n      sx = width ? (width - dx) / width : 1;\n      tx = width;\n    }\n\n    // update the transform list with translate,scale,translate\n    const translateOrigin = svgroot.createSVGTransform(),\n      scale = svgroot.createSVGTransform(),\n      translateBack = svgroot.createSVGTransform();\n\n    if (curConfig.gridSnapping) {\n      left = snapToGrid(left);\n      tx = snapToGrid(tx);\n      top = snapToGrid(top);\n      ty = snapToGrid(ty);\n    }\n\n    translateOrigin.setTranslate(-(left + tx), -(top + ty));\n    if (evt.shiftKey) {\n      if (sx === 1) {\n        sx = sy;\n      } else { sy = sx; }\n    }\n    scale.setScale(sx, sy);\n\n    translateBack.setTranslate(left + tx, top + ty);\n    if (hasMatrix) {\n      const diff = angle ? 1 : 0;\n      tlist.replaceItem(translateOrigin, 2 + diff);\n      tlist.replaceItem(scale, 1 + diff);\n      tlist.replaceItem(translateBack, Number(diff));\n    } else {\n      const N = tlist.numberOfItems;\n      tlist.replaceItem(translateBack, N - 3);\n      tlist.replaceItem(scale, N - 2);\n      tlist.replaceItem(translateOrigin, N - 1);\n    }\n\n    selectorManager.requestSelector(selected).resize();\n\n    call('transition', selectedElements);\n\n    break;\n  } case 'zoom': {\n    realX *= currentZoom;\n    realY *= currentZoom;\n    assignAttributes(rubberBox, {\n      x: Math.min(rStartX * currentZoom, realX),\n      y: Math.min(rStartY * currentZoom, realY),\n      width: Math.abs(realX - rStartX * currentZoom),\n      height: Math.abs(realY - rStartY * currentZoom)\n    }, 100);\n    break;\n  } case 'text': {\n    assignAttributes(shape, {\n      x,\n      y\n    }, 1000);\n    break;\n  } case 'line': {\n    if (curConfig.gridSnapping) {\n      x = snapToGrid(x);\n      y = snapToGrid(y);\n    }\n\n    let x2 = x;\n    let y2 = y;\n\n    if (evt.shiftKey) {\n      xya = snapToAngle(startX, startY, x2, y2);\n      x2 = xya.x;\n      y2 = xya.y;\n    }\n\n    shape.setAttributeNS(null, 'x2', x2);\n    shape.setAttributeNS(null, 'y2', y2);\n    break;\n  } case 'foreignObject':\n    // fall through\n  case 'square':\n    // fall through\n  case 'rect':\n    // fall through\n  case 'image': {\n    const square = (currentMode === 'square') || evt.shiftKey;\n    let\n      w = Math.abs(x - startX),\n      h = Math.abs(y - startY);\n    let newX, newY;\n    if (square) {\n      w = h = Math.max(w, h);\n      newX = startX < x ? startX : startX - w;\n      newY = startY < y ? startY : startY - h;\n    } else {\n      newX = Math.min(startX, x);\n      newY = Math.min(startY, y);\n    }\n\n    if (curConfig.gridSnapping) {\n      w = snapToGrid(w);\n      h = snapToGrid(h);\n      newX = snapToGrid(newX);\n      newY = snapToGrid(newY);\n    }\n\n    assignAttributes(shape, {\n      width: w,\n      height: h,\n      x: newX,\n      y: newY\n    }, 1000);\n\n    break;\n  } case 'circle': {\n    c = $(shape).attr(['cx', 'cy']);\n    ({cx, cy} = c);\n    let rad = Math.sqrt((x - cx) * (x - cx) + (y - cy) * (y - cy));\n    if (curConfig.gridSnapping) {\n      rad = snapToGrid(rad);\n    }\n    shape.setAttributeNS(null, 'r', rad);\n    break;\n  } case 'ellipse': {\n    c = $(shape).attr(['cx', 'cy']);\n    ({cx, cy} = c);\n    if (curConfig.gridSnapping) {\n      x = snapToGrid(x);\n      cx = snapToGrid(cx);\n      y = snapToGrid(y);\n      cy = snapToGrid(cy);\n    }\n    shape.setAttributeNS(null, 'rx', Math.abs(x - cx));\n    const ry = Math.abs(evt.shiftKey ? (x - cx) : (y - cy));\n    shape.setAttributeNS(null, 'ry', ry);\n    break;\n  }\n  case 'fhellipse':\n  case 'fhrect': {\n    freehand.minx = Math.min(realX, freehand.minx);\n    freehand.maxx = Math.max(realX, freehand.maxx);\n    freehand.miny = Math.min(realY, freehand.miny);\n    freehand.maxy = Math.max(realY, freehand.maxy);\n  }\n  // Fallthrough\n  case 'fhpath': {\n    // dAttr += + realX + ',' + realY + ' ';\n    // shape.setAttributeNS(null, 'points', dAttr);\n    end.x = realX; end.y = realY;\n    if (controllPoint2.x && controllPoint2.y) {\n      for (i = 0; i < STEP_COUNT - 1; i++) {\n        parameter = i / STEP_COUNT;\n        nextParameter = (i + 1) / STEP_COUNT;\n        bSpline = getBsplinePoint(nextParameter);\n        nextPos = bSpline;\n        bSpline = getBsplinePoint(parameter);\n        sumDistance += Math.sqrt((nextPos.x - bSpline.x) * (nextPos.x - bSpline.x) + (nextPos.y - bSpline.y) * (nextPos.y - bSpline.y));\n        if (sumDistance > THRESHOLD_DIST) {\n          sumDistance -= THRESHOLD_DIST;\n\n          // Faster than completely re-writing the points attribute.\n          const point = svgcontent.createSVGPoint();\n          point.x = bSpline.x;\n          point.y = bSpline.y;\n          shape.points.appendItem(point);\n        }\n      }\n    }\n    controllPoint2 = {x: controllPoint1.x, y: controllPoint1.y};\n    controllPoint1 = {x: start.x, y: start.y};\n    start = {x: end.x, y: end.y};\n    break;\n  // update path stretch line coordinates\n  } case 'path': {\n  }\n  // fall through\n  case 'pathedit': {\n    x *= currentZoom;\n    y *= currentZoom;\n\n    if (curConfig.gridSnapping) {\n      x = snapToGrid(x);\n      y = snapToGrid(y);\n      startX = snapToGrid(startX);\n      startY = snapToGrid(startY);\n    }\n    if (evt.shiftKey) {\n      const {path} = pathModule;\n      let x1, y1;\n      if (path) {\n        x1 = path.dragging ? path.dragging[0] : startX;\n        y1 = path.dragging ? path.dragging[1] : startY;\n      } else {\n        x1 = startX;\n        y1 = startY;\n      }\n      xya = snapToAngle(x1, y1, x, y);\n      ({x, y} = xya);\n    }\n\n    if (rubberBox && rubberBox.getAttribute('display') !== 'none') {\n      realX *= currentZoom;\n      realY *= currentZoom;\n      assignAttributes(rubberBox, {\n        x: Math.min(rStartX * currentZoom, realX),\n        y: Math.min(rStartY * currentZoom, realY),\n        width: Math.abs(realX - rStartX * currentZoom),\n        height: Math.abs(realY - rStartY * currentZoom)\n      }, 100);\n    }\n    pathActions.mouseMove(x, y);\n\n    break;\n  } case 'textedit': {\n    x *= currentZoom;\n    y *= currentZoom;\n    // if (rubberBox && rubberBox.getAttribute('display') !== 'none') {\n    //   assignAttributes(rubberBox, {\n    //     x: Math.min(startX, x),\n    //     y: Math.min(startY, y),\n    //     width: Math.abs(x - startX),\n    //     height: Math.abs(y - startY)\n    //   }, 100);\n    // }\n\n    textActions.mouseMove(mouseX, mouseY);\n\n    break;\n  } case 'rotate': {\n    box = utilsGetBBox(selected);\n    cx = box.x + box.width / 2;\n    cy = box.y + box.height / 2;\n    const m = getMatrix(selected),\n      center = transformPoint(cx, cy, m);\n    cx = center.x;\n    cy = center.y;\n    angle = ((Math.atan2(cy - y, cx - x) * (180 / Math.PI)) - 90) % 360;\n    if (curConfig.gridSnapping) {\n      angle = snapToGrid(angle);\n    }\n    if (evt.shiftKey) { // restrict rotations to nice angles (WRS)\n      const snap = 45;\n      angle = Math.round(angle / snap) * snap;\n    }\n\n    canvas.setRotationAngle(angle < -180 ? (360 + angle) : angle, true);\n    call('transition', selectedElements);\n    break;\n  } default:\n    break;\n  }\n\n  /**\n  * The mouse has moved on the canvas area\n  * @event module:svgcanvas.SvgCanvas#event:ext-mouseMove\n  * @type {PlainObject}\n  * @property {MouseEvent} event The event object\n  * @property {Float} mouse_x x coordinate on canvas\n  * @property {Float} mouse_y y coordinate on canvas\n  * @property {Element} selected Refers to the first selected element\n  */\n  runExtensions('mouseMove', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseMove} */ {\n    event: evt,\n    mouse_x: mouseX,\n    mouse_y: mouseY,\n    selected\n  });\n}; // mouseMove()\n\n// - in create mode, the element's opacity is set properly, we create an InsertElementCommand\n// and store it on the Undo stack\n// - in move/resize mode, the element's attributes which were affected by the move/resize are\n// identified, a ChangeElementCommand is created and stored on the stack for those attrs\n// this is done in when we recalculate the selected dimensions()\n/**\n *\n * @param {MouseEvent} evt\n * @fires module:svgcanvas.SvgCanvas#event:zoomed\n * @fires module:svgcanvas.SvgCanvas#event:changed\n * @fires module:svgcanvas.SvgCanvas#event:ext-mouseUp\n * @returns {undefined}\n */\nconst mouseUp = function (evt) {\n  if (evt.button === 2) { return; }\n  const tempJustSelected = justSelected;\n  justSelected = null;\n  if (!started) { return; }\n  const pt = transformPoint(evt.pageX, evt.pageY, rootSctm),\n    mouseX = pt.x * currentZoom,\n    mouseY = pt.y * currentZoom,\n    x = mouseX / currentZoom,\n    y = mouseY / currentZoom;\n\n  let element = getElem(getId());\n  let keep = false;\n\n  const realX = x;\n  const realY = y;\n\n  // TODO: Make true when in multi-unit mode\n  const useUnit = false; // (curConfig.baseUnit !== 'px');\n  started = false;\n  let attrs, t;\n  switch (currentMode) {\n  // intentionally fall-through to select here\n  case 'resize':\n  case 'multiselect':\n    if (rubberBox != null) {\n      rubberBox.setAttribute('display', 'none');\n      curBBoxes = [];\n    }\n    currentMode = 'select';\n    // Fallthrough\n  case 'select':\n    if (selectedElements[0] != null) {\n      // if we only have one selected element\n      if (selectedElements[1] == null) {\n        // set our current stroke/fill properties to the element's\n        const selected = selectedElements[0];\n        switch (selected.tagName) {\n        case 'g':\n        case 'use':\n        case 'image':\n        case 'foreignObject':\n          break;\n        default:\n          curProperties.fill = selected.getAttribute('fill');\n          curProperties.fill_opacity = selected.getAttribute('fill-opacity');\n          curProperties.stroke = selected.getAttribute('stroke');\n          curProperties.stroke_opacity = selected.getAttribute('stroke-opacity');\n          curProperties.stroke_width = selected.getAttribute('stroke-width');\n          curProperties.stroke_dasharray = selected.getAttribute('stroke-dasharray');\n          curProperties.stroke_linejoin = selected.getAttribute('stroke-linejoin');\n          curProperties.stroke_linecap = selected.getAttribute('stroke-linecap');\n        }\n\n        if (selected.tagName === 'text') {\n          curText.font_size = selected.getAttribute('font-size');\n          curText.font_family = selected.getAttribute('font-family');\n        }\n        selectorManager.requestSelector(selected).showGrips(true);\n\n        // This shouldn't be necessary as it was done on mouseDown...\n        // call('selected', [selected]);\n      }\n      // always recalculate dimensions to strip off stray identity transforms\n      recalculateAllSelectedDimensions();\n      // if it was being dragged/resized\n      if (realX !== rStartX || realY !== rStartY) {\n        const len = selectedElements.length;\n        for (let i = 0; i < len; ++i) {\n          if (selectedElements[i] == null) { break; }\n          if (!selectedElements[i].firstChild) {\n            // Not needed for groups (incorrectly resizes elems), possibly not needed at all?\n            selectorManager.requestSelector(selectedElements[i]).resize();\n          }\n        }\n      // no change in position/size, so maybe we should move to pathedit\n      } else {\n        t = evt.target;\n        if (selectedElements[0].nodeName === 'path' && selectedElements[1] == null) {\n          pathActions.select(selectedElements[0]);\n        // if it was a path\n        // else, if it was selected and this is a shift-click, remove it from selection\n        } else if (evt.shiftKey) {\n          if (tempJustSelected !== t) {\n            canvas.removeFromSelection([t]);\n          }\n        }\n      } // no change in mouse position\n\n      // Remove non-scaling stroke\n      if (supportsNonScalingStroke()) {\n        const elem = selectedElements[0];\n        if (elem) {\n          elem.removeAttribute('style');\n          walkTree(elem, function (elem) {\n            elem.removeAttribute('style');\n          });\n        }\n      }\n    }\n    return;\n  case 'zoom':\n    if (rubberBox != null) {\n      rubberBox.setAttribute('display', 'none');\n    }\n    const factor = evt.shiftKey ? 0.5 : 2;\n    call('zoomed', {\n      x: Math.min(rStartX, realX),\n      y: Math.min(rStartY, realY),\n      width: Math.abs(realX - rStartX),\n      height: Math.abs(realY - rStartY),\n      factor\n    });\n    return;\n  case 'fhpath':\n    // Check that the path contains at least 2 points; a degenerate one-point path\n    // causes problems.\n    // Webkit ignores how we set the points attribute with commas and uses space\n    // to separate all coordinates, see https://bugs.webkit.org/show_bug.cgi?id=29870\n    sumDistance = 0;\n    controllPoint2 = {x: 0, y: 0};\n    controllPoint1 = {x: 0, y: 0};\n    start = {x: 0, y: 0};\n    end = {x: 0, y: 0};\n    const coords = element.getAttribute('points');\n    const commaIndex = coords.indexOf(',');\n    if (commaIndex >= 0) {\n      keep = coords.indexOf(',', commaIndex + 1) >= 0;\n    } else {\n      keep = coords.indexOf(' ', coords.indexOf(' ') + 1) >= 0;\n    }\n    if (keep) {\n      element = pathActions.smoothPolylineIntoPath(element);\n    }\n    break;\n  case 'line':\n    attrs = $(element).attr(['x1', 'x2', 'y1', 'y2']);\n    keep = (attrs.x1 !== attrs.x2 || attrs.y1 !== attrs.y2);\n    break;\n  case 'foreignObject':\n  case 'square':\n  case 'rect':\n  case 'image':\n    attrs = $(element).attr(['width', 'height']);\n    // Image should be kept regardless of size (use inherit dimensions later)\n    keep = (attrs.width || attrs.height) || currentMode === 'image';\n    break;\n  case 'circle':\n    keep = (element.getAttribute('r') !== '0');\n    break;\n  case 'ellipse':\n    attrs = $(element).attr(['rx', 'ry']);\n    keep = (attrs.rx || attrs.ry);\n    break;\n  case 'fhellipse':\n    if ((freehand.maxx - freehand.minx) > 0 &&\n      (freehand.maxy - freehand.miny) > 0) {\n      element = addSVGElementFromJson({\n        element: 'ellipse',\n        curStyles: true,\n        attr: {\n          cx: (freehand.minx + freehand.maxx) / 2,\n          cy: (freehand.miny + freehand.maxy) / 2,\n          rx: (freehand.maxx - freehand.minx) / 2,\n          ry: (freehand.maxy - freehand.miny) / 2,\n          id: getId()\n        }\n      });\n      call('changed', [element]);\n      keep = true;\n    }\n    break;\n  case 'fhrect':\n    if ((freehand.maxx - freehand.minx) > 0 &&\n      (freehand.maxy - freehand.miny) > 0) {\n      element = addSVGElementFromJson({\n        element: 'rect',\n        curStyles: true,\n        attr: {\n          x: freehand.minx,\n          y: freehand.miny,\n          width: (freehand.maxx - freehand.minx),\n          height: (freehand.maxy - freehand.miny),\n          id: getId()\n        }\n      });\n      call('changed', [element]);\n      keep = true;\n    }\n    break;\n  case 'text':\n    keep = true;\n    selectOnly([element]);\n    textActions.start(element);\n    break;\n  case 'path':\n    // set element to null here so that it is not removed nor finalized\n    element = null;\n    // continue to be set to true so that mouseMove happens\n    started = true;\n\n    const res = pathActions.mouseUp(evt, element, mouseX, mouseY);\n    ({element} = res);\n    ({keep} = res);\n    break;\n  case 'pathedit':\n    keep = true;\n    element = null;\n    pathActions.mouseUp(evt);\n    break;\n  case 'textedit':\n    keep = false;\n    element = null;\n    textActions.mouseUp(evt, mouseX, mouseY);\n    break;\n  case 'rotate':\n    keep = true;\n    element = null;\n    currentMode = 'select';\n    const batchCmd = canvas.undoMgr.finishUndoableChange();\n    if (!batchCmd.isEmpty()) {\n      addCommandToHistory(batchCmd);\n    }\n    // perform recalculation to weed out any stray identity transforms that might get stuck\n    recalculateAllSelectedDimensions();\n    call('changed', selectedElements);\n    break;\n  default:\n    // This could occur in an extension\n    break;\n  }\n\n  /**\n  * The main (left) mouse button is released (anywhere)\n  * @event module:svgcanvas.SvgCanvas#event:ext-mouseUp\n  * @type {PlainObject}\n  * @property {MouseEvent} event The event object\n  * @property {Float} mouse_x x coordinate on canvas\n  * @property {Float} mouse_y y coordinate on canvas\n  */\n  const extResult = runExtensions('mouseUp', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseUp} */ {\n    event: evt,\n    mouse_x: mouseX,\n    mouse_y: mouseY\n  }, true);\n\n  $.each(extResult, function (i, r) {\n    if (r) {\n      keep = r.keep || keep;\n      ({element} = r);\n      started = r.started || started;\n    }\n  });\n\n  if (!keep && element != null) {\n    getCurrentDrawing().releaseId(getId());\n    element.remove();\n    element = null;\n\n    t = evt.target;\n\n    // if this element is in a group, go up until we reach the top-level group\n    // just below the layer groups\n    // TODO: once we implement links, we also would have to check for <a> elements\n    while (t && t.parentNode && t.parentNode.parentNode && t.parentNode.parentNode.tagName === 'g') {\n      t = t.parentNode;\n    }\n    // if we are not in the middle of creating a path, and we've clicked on some shape,\n    // then go to Select mode.\n    // WebKit returns <div> when the canvas is clicked, Firefox/Opera return <svg>\n    if ((currentMode !== 'path' || !drawnPath) &&\n      t && t.parentNode &&\n      t.parentNode.id !== 'selectorParentGroup' &&\n      t.id !== 'svgcanvas' && t.id !== 'svgroot'\n    ) {\n      // switch into \"select\" mode if we've clicked on an element\n      canvas.setMode('select');\n      selectOnly([t], true);\n    }\n  } else if (element != null) {\n    /**\n    * @name module:svgcanvas.SvgCanvas#addedNew\n    * @type {boolean}\n    */\n    canvas.addedNew = true;\n\n    if (useUnit) { convertAttrs(element); }\n\n    let aniDur = 0.2;\n    let cAni;\n    if (opacAni.beginElement && parseFloat(element.getAttribute('opacity')) !== curShape.opacity) {\n      cAni = $(opacAni).clone().attr({\n        to: curShape.opacity,\n        dur: aniDur\n      }).appendTo(element);\n      try {\n        // Fails in FF4 on foreignObject\n        cAni[0].beginElement();\n      } catch (e) {}\n    } else {\n      aniDur = 0;\n    }\n\n    // Ideally this would be done on the endEvent of the animation,\n    // but that doesn't seem to be supported in Webkit\n    setTimeout(function () {\n      if (cAni) { cAni.remove(); }\n      element.setAttribute('opacity', curShape.opacity);\n      element.setAttribute('style', 'pointer-events:inherit');\n      cleanupElement(element);\n      if (currentMode === 'path') {\n        pathActions.toEditMode(element);\n      } else if (curConfig.selectNew) {\n        selectOnly([element], true);\n      }\n      // we create the insert command that is stored on the stack\n      // undo means to call cmd.unapply(), redo means to call cmd.apply()\n      addCommandToHistory(new InsertElementCommand(element));\n\n      call('changed', [element]);\n    }, aniDur * 1000);\n  }\n\n  startTransform = null;\n};\n\nconst dblClick = function (evt) {\n  const evtTarget = evt.target;\n  const parent = evtTarget.parentNode;\n\n  // Do nothing if already in current group\n  if (parent === currentGroup) { return; }\n\n  let mouseTarget = getMouseTarget(evt);\n  const {tagName} = mouseTarget;\n\n  if (tagName === 'text' && currentMode !== 'textedit') {\n    const pt = transformPoint(evt.pageX, evt.pageY, rootSctm);\n    textActions.select(mouseTarget, pt.x, pt.y);\n  }\n\n  if ((tagName === 'g' || tagName === 'a') &&\n    getRotationAngle(mouseTarget)\n  ) {\n    // TODO: Allow method of in-group editing without having to do\n    // this (similar to editing rotated paths)\n\n    // Ungroup and regroup\n    pushGroupProperties(mouseTarget);\n    mouseTarget = selectedElements[0];\n    clearSelection(true);\n  }\n  // Reset context\n  if (currentGroup) {\n    draw.leaveContext();\n  }\n\n  if ((parent.tagName !== 'g' && parent.tagName !== 'a') ||\n    parent === getCurrentDrawing().getCurrentLayer() ||\n    mouseTarget === selectorManager.selectorParentGroup\n  ) {\n    // Escape from in-group edit\n    return;\n  }\n  draw.setContext(mouseTarget);\n};\n\n// prevent links from being followed in the canvas\nconst handleLinkInCanvas = function (e) {\n  e.preventDefault();\n  return false;\n};\n\n// Added mouseup to the container here.\n// TODO(codedread): Figure out why after the Closure compiler, the window mouseup is ignored.\n$(container).mousedown(mouseDown).mousemove(mouseMove).click(handleLinkInCanvas).dblclick(dblClick).mouseup(mouseUp);\n// $(window).mouseup(mouseUp);\n\n// TODO(rafaelcastrocouto): User preference for shift key and zoom factor\n$(container).bind(\n  'mousewheel DOMMouseScroll',\n  /**\n   * @param {Event} e\n   * @fires module:svgcanvas.SvgCanvas#event:updateCanvas\n   * @fires module:svgcanvas.SvgCanvas#event:zoomDone\n   * @returns {undefined}\n   */\n  function (e) {\n    if (!e.shiftKey) { return; }\n\n    e.preventDefault();\n    const evt = e.originalEvent;\n\n    rootSctm = $('#svgcontent g')[0].getScreenCTM().inverse();\n\n    const workarea = $('#workarea');\n    const scrbar = 15;\n    const rulerwidth = curConfig.showRulers ? 16 : 0;\n\n    // mouse relative to content area in content pixels\n    const pt = transformPoint(evt.pageX, evt.pageY, rootSctm);\n\n    // full work area width in screen pixels\n    const editorFullW = workarea.width();\n    const editorFullH = workarea.height();\n\n    // work area width minus scroll and ruler in screen pixels\n    const editorW = editorFullW - scrbar - rulerwidth;\n    const editorH = editorFullH - scrbar - rulerwidth;\n\n    // work area width in content pixels\n    const workareaViewW = editorW * rootSctm.a;\n    const workareaViewH = editorH * rootSctm.d;\n\n    // content offset from canvas in screen pixels\n    const wOffset = workarea.offset();\n    const wOffsetLeft = wOffset['left'] + rulerwidth;\n    const wOffsetTop = wOffset['top'] + rulerwidth;\n\n    const delta = (evt.wheelDelta) ? evt.wheelDelta : (evt.detail) ? -evt.detail : 0;\n    if (!delta) { return; }\n\n    let factor = Math.max(3 / 4, Math.min(4 / 3, (delta)));\n\n    let wZoom, hZoom;\n    if (factor > 1) {\n      wZoom = Math.ceil(editorW / workareaViewW * factor * 100) / 100;\n      hZoom = Math.ceil(editorH / workareaViewH * factor * 100) / 100;\n    } else {\n      wZoom = Math.floor(editorW / workareaViewW * factor * 100) / 100;\n      hZoom = Math.floor(editorH / workareaViewH * factor * 100) / 100;\n    }\n    let zoomlevel = Math.min(wZoom, hZoom);\n    zoomlevel = Math.min(10, Math.max(0.01, zoomlevel));\n    if (zoomlevel === currentZoom) {\n      return;\n    }\n    factor = zoomlevel / currentZoom;\n\n    // top left of workarea in content pixels before zoom\n    const topLeftOld = transformPoint(wOffsetLeft, wOffsetTop, rootSctm);\n\n    // top left of workarea in content pixels after zoom\n    const topLeftNew = {\n      x: pt.x - (pt.x - topLeftOld.x) / factor,\n      y: pt.y - (pt.y - topLeftOld.y) / factor\n    };\n\n    // top left of workarea in canvas pixels relative to content after zoom\n    const topLeftNewCanvas = {\n      x: topLeftNew.x * zoomlevel,\n      y: topLeftNew.y * zoomlevel\n    };\n\n    // new center in canvas pixels\n    const newCtr = {\n      x: topLeftNewCanvas.x - rulerwidth + editorFullW / 2,\n      y: topLeftNewCanvas.y - rulerwidth + editorFullH / 2\n    };\n\n    canvas.setZoom(zoomlevel);\n    $('#zoom').val((zoomlevel * 100).toFixed(1));\n\n    call('updateCanvas', {center: false, newCtr});\n    call('zoomDone');\n  }\n);\n}());\n\n/**\n* Group: Text edit functions\n* Functions relating to editing text elements\n* @namespace {PlainObject} textActions\n* @memberof module:svgcanvas.SvgCanvas#\n*/\nconst textActions = canvas.textActions = (function () {\nlet curtext;\nlet textinput;\nlet cursor;\nlet selblock;\nlet blinker;\nlet chardata = [];\nlet textbb; // , transbb;\nlet matrix;\nlet lastX, lastY;\nlet allowDbl;\n\nfunction setCursor (index) {\n  const empty = (textinput.value === '');\n  $(textinput).focus();\n\n  if (!arguments.length) {\n    if (empty) {\n      index = 0;\n    } else {\n      if (textinput.selectionEnd !== textinput.selectionStart) { return; }\n      index = textinput.selectionEnd;\n    }\n  }\n\n  const charbb = chardata[index];\n  if (!empty) {\n    textinput.setSelectionRange(index, index);\n  }\n  cursor = getElem('text_cursor');\n  if (!cursor) {\n    cursor = document.createElementNS(NS.SVG, 'line');\n    assignAttributes(cursor, {\n      id: 'text_cursor',\n      stroke: '#333',\n      'stroke-width': 1\n    });\n    cursor = getElem('selectorParentGroup').appendChild(cursor);\n  }\n\n  if (!blinker) {\n    blinker = setInterval(function () {\n      const show = (cursor.getAttribute('display') === 'none');\n      cursor.setAttribute('display', show ? 'inline' : 'none');\n    }, 600);\n  }\n\n  const startPt = ptToScreen(charbb.x, textbb.y);\n  const endPt = ptToScreen(charbb.x, (textbb.y + textbb.height));\n\n  assignAttributes(cursor, {\n    x1: startPt.x,\n    y1: startPt.y,\n    x2: endPt.x,\n    y2: endPt.y,\n    visibility: 'visible',\n    display: 'inline'\n  });\n\n  if (selblock) { selblock.setAttribute('d', ''); }\n}\n\nfunction setSelection (start, end, skipInput) {\n  if (start === end) {\n    setCursor(end);\n    return;\n  }\n\n  if (!skipInput) {\n    textinput.setSelectionRange(start, end);\n  }\n\n  selblock = getElem('text_selectblock');\n  if (!selblock) {\n    selblock = document.createElementNS(NS.SVG, 'path');\n    assignAttributes(selblock, {\n      id: 'text_selectblock',\n      fill: 'green',\n      opacity: 0.5,\n      style: 'pointer-events:none'\n    });\n    getElem('selectorParentGroup').append(selblock);\n  }\n\n  const startbb = chardata[start];\n  const endbb = chardata[end];\n\n  cursor.setAttribute('visibility', 'hidden');\n\n  const tl = ptToScreen(startbb.x, textbb.y),\n    tr = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y),\n    bl = ptToScreen(startbb.x, textbb.y + textbb.height),\n    br = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y + textbb.height);\n\n  const dstr = 'M' + tl.x + ',' + tl.y +\n    ' L' + tr.x + ',' + tr.y +\n    ' ' + br.x + ',' + br.y +\n    ' ' + bl.x + ',' + bl.y + 'z';\n\n  assignAttributes(selblock, {\n    d: dstr,\n    display: 'inline'\n  });\n}\n\nfunction getIndexFromPoint (mouseX, mouseY) {\n  // Position cursor here\n  const pt = svgroot.createSVGPoint();\n  pt.x = mouseX;\n  pt.y = mouseY;\n\n  // No content, so return 0\n  if (chardata.length === 1) { return 0; }\n  // Determine if cursor should be on left or right of character\n  let charpos = curtext.getCharNumAtPosition(pt);\n  if (charpos < 0) {\n    // Out of text range, look at mouse coords\n    charpos = chardata.length - 2;\n    if (mouseX <= chardata[0].x) {\n      charpos = 0;\n    }\n  } else if (charpos >= chardata.length - 2) {\n    charpos = chardata.length - 2;\n  }\n  const charbb = chardata[charpos];\n  const mid = charbb.x + (charbb.width / 2);\n  if (mouseX > mid) {\n    charpos++;\n  }\n  return charpos;\n}\n\nfunction setCursorFromPoint (mouseX, mouseY) {\n  setCursor(getIndexFromPoint(mouseX, mouseY));\n}\n\nfunction setEndSelectionFromPoint (x, y, apply) {\n  const i1 = textinput.selectionStart;\n  const i2 = getIndexFromPoint(x, y);\n\n  const start = Math.min(i1, i2);\n  const end = Math.max(i1, i2);\n  setSelection(start, end, !apply);\n}\n\nfunction screenToPt (xIn, yIn) {\n  const out = {\n    x: xIn,\n    y: yIn\n  };\n\n  out.x /= currentZoom;\n  out.y /= currentZoom;\n\n  if (matrix) {\n    const pt = transformPoint(out.x, out.y, matrix.inverse());\n    out.x = pt.x;\n    out.y = pt.y;\n  }\n\n  return out;\n}\n\nfunction ptToScreen (xIn, yIn) {\n  const out = {\n    x: xIn,\n    y: yIn\n  };\n\n  if (matrix) {\n    const pt = transformPoint(out.x, out.y, matrix);\n    out.x = pt.x;\n    out.y = pt.y;\n  }\n\n  out.x *= currentZoom;\n  out.y *= currentZoom;\n\n  return out;\n}\n\n/*\n// Not currently in use\nfunction hideCursor () {\n  if (cursor) {\n    cursor.setAttribute('visibility', 'hidden');\n  }\n}\n*/\n\nfunction selectAll (evt) {\n  setSelection(0, curtext.textContent.length);\n  $(this).unbind(evt);\n}\n\nfunction selectWord (evt) {\n  if (!allowDbl || !curtext) { return; }\n\n  const ept = transformPoint(evt.pageX, evt.pageY, rootSctm),\n    mouseX = ept.x * currentZoom,\n    mouseY = ept.y * currentZoom;\n  const pt = screenToPt(mouseX, mouseY);\n\n  const index = getIndexFromPoint(pt.x, pt.y);\n  const str = curtext.textContent;\n  const first = str.substr(0, index).replace(/[a-z0-9]+$/i, '').length;\n  const m = str.substr(index).match(/^[a-z0-9]+/i);\n  const last = (m ? m[0].length : 0) + index;\n  setSelection(first, last);\n\n  // Set tripleclick\n  $(evt.target).click(selectAll);\n  setTimeout(function () {\n    $(evt.target).unbind('click', selectAll);\n  }, 300);\n}\n\nreturn /** @lends module:svgcanvas.SvgCanvas#textActions */ {\n  /**\n  * @param {Element} target\n  * @param {Float} x\n  * @param {Float} y\n  * @returns {undefined}\n  */\n  select (target, x, y) {\n    curtext = target;\n    textActions.toEditMode(x, y);\n  },\n  /**\n  * @param {Element} elem\n  * @returns {undefined}\n  */\n  start (elem) {\n    curtext = elem;\n    textActions.toEditMode();\n  },\n  /**\n  * @param {external:MouseEvent} evt\n  * @param {Element} mouseTarget\n  * @param {Float} startX\n  * @param {Float} startY\n  * @returns {undefined}\n  */\n  mouseDown (evt, mouseTarget, startX, startY) {\n    const pt = screenToPt(startX, startY);\n\n    textinput.focus();\n    setCursorFromPoint(pt.x, pt.y);\n    lastX = startX;\n    lastY = startY;\n\n    // TODO: Find way to block native selection\n  },\n  /**\n  * @param {Float} mouseX\n  * @param {Float} mouseY\n  * @returns {undefined}\n  */\n  mouseMove (mouseX, mouseY) {\n    const pt = screenToPt(mouseX, mouseY);\n    setEndSelectionFromPoint(pt.x, pt.y);\n  },\n  /**\n  * @param {external:MouseEvent}\n  * @param {Float} mouseX\n  * @param {Float} mouseY\n  * @returns {undefined}\n  */\n  mouseUp (evt, mouseX, mouseY) {\n    const pt = screenToPt(mouseX, mouseY);\n\n    setEndSelectionFromPoint(pt.x, pt.y, true);\n\n    // TODO: Find a way to make this work: Use transformed BBox instead of evt.target\n    // if (lastX === mouseX && lastY === mouseY\n    //   && !rectsIntersect(transbb, {x: pt.x, y: pt.y, width: 0, height: 0})) {\n    //   textActions.toSelectMode(true);\n    // }\n\n    if (\n      evt.target !== curtext &&\n      mouseX < lastX + 2 &&\n      mouseX > lastX - 2 &&\n      mouseY < lastY + 2 &&\n      mouseY > lastY - 2\n    ) {\n      textActions.toSelectMode(true);\n    }\n  },\n  /**\n  * @function\n  * @param {Integer} index\n  * @returns {undefined}\n  */\n  setCursor,\n  /**\n  * @param {Float} x\n  * @param {Float} y\n  * @returns {undefined}\n  */\n  toEditMode (x, y) {\n    allowDbl = false;\n    currentMode = 'textedit';\n    selectorManager.requestSelector(curtext).showGrips(false);\n    // Make selector group accept clicks\n    /* const selector = */ selectorManager.requestSelector(curtext); // Do we need this? Has side effect of setting lock, so keeping for now, but next line wasn't being used\n    // const sel = selector.selectorRect;\n\n    textActions.init();\n\n    $(curtext).css('cursor', 'text');\n\n    // if (supportsEditableText()) {\n    //   curtext.setAttribute('editable', 'simple');\n    //   return;\n    // }\n\n    if (!arguments.length) {\n      setCursor();\n    } else {\n      const pt = screenToPt(x, y);\n      setCursorFromPoint(pt.x, pt.y);\n    }\n\n    setTimeout(function () {\n      allowDbl = true;\n    }, 300);\n  },\n  /**\n  * @param {boolean|Element} selectElem\n  * @fires module:svgcanvas.SvgCanvas#event:selected\n  * @returns {undefined}\n  */\n  toSelectMode (selectElem) {\n    currentMode = 'select';\n    clearInterval(blinker);\n    blinker = null;\n    if (selblock) { $(selblock).attr('display', 'none'); }\n    if (cursor) { $(cursor).attr('visibility', 'hidden'); }\n    $(curtext).css('cursor', 'move');\n\n    if (selectElem) {\n      clearSelection();\n      $(curtext).css('cursor', 'move');\n\n      call('selected', [curtext]);\n      addToSelection([curtext], true);\n    }\n    if (curtext && !curtext.textContent.length) {\n      // No content, so delete\n      canvas.deleteSelectedElements();\n    }\n\n    $(textinput).blur();\n\n    curtext = false;\n\n    // if (supportsEditableText()) {\n    //   curtext.removeAttribute('editable');\n    // }\n  },\n  /**\n  * @param {Element} elem\n  * @returns {undefined}\n  */\n  setInputElem (elem) {\n    textinput = elem;\n    // $(textinput).blur(hideCursor);\n  },\n  /**\n  * @returns {undefined}\n  */\n  clear () {\n    if (currentMode === 'textedit') {\n      textActions.toSelectMode();\n    }\n  },\n  /**\n  * @param {Element} inputElem Not in use\n  * @returns {undefined}\n  */\n  init (inputElem) {\n    if (!curtext) { return; }\n    let i, end;\n    // if (supportsEditableText()) {\n    //   curtext.select();\n    //   return;\n    // }\n\n    if (!curtext.parentNode) {\n      // Result of the ffClone, need to get correct element\n      curtext = selectedElements[0];\n      selectorManager.requestSelector(curtext).showGrips(false);\n    }\n\n    const str = curtext.textContent;\n    const len = str.length;\n\n    const xform = curtext.getAttribute('transform');\n\n    textbb = utilsGetBBox(curtext);\n\n    matrix = xform ? getMatrix(curtext) : null;\n\n    chardata = [];\n    chardata.length = len;\n    textinput.focus();\n\n    $(curtext).unbind('dblclick', selectWord).dblclick(selectWord);\n\n    if (!len) {\n      end = {x: textbb.x + (textbb.width / 2), width: 0};\n    }\n\n    for (i = 0; i < len; i++) {\n      const start = curtext.getStartPositionOfChar(i);\n      end = curtext.getEndPositionOfChar(i);\n\n      if (!supportsGoodTextCharPos()) {\n        const offset = canvas.contentW * currentZoom;\n        start.x -= offset;\n        end.x -= offset;\n\n        start.x /= currentZoom;\n        end.x /= currentZoom;\n      }\n\n      // Get a \"bbox\" equivalent for each character. Uses the\n      // bbox data of the actual text for y, height purposes\n\n      // TODO: Decide if y, width and height are actually necessary\n      chardata[i] = {\n        x: start.x,\n        y: textbb.y, // start.y?\n        width: end.x - start.x,\n        height: textbb.height\n      };\n    }\n\n    // Add a last bbox for cursor at end of text\n    chardata.push({\n      x: end.x,\n      width: 0\n    });\n    setSelection(textinput.selectionStart, textinput.selectionEnd, true);\n  }\n};\n}());\n\n/**\n* Group: Serialization\n*/\n\n/**\n* Looks at DOM elements inside the `<defs>` to see if they are referred to,\n* removes them from the DOM if they are not.\n* @function module:svgcanvas.SvgCanvas#removeUnusedDefElems\n* @returns {Integer} The number of elements that were removed\n*/\nconst removeUnusedDefElems = this.removeUnusedDefElems = function () {\n  const defs = svgcontent.getElementsByTagNameNS(NS.SVG, 'defs');\n  if (!defs || !defs.length) { return 0; }\n\n  // if (!defs.firstChild) { return; }\n\n  const defelemUses = [];\n  let numRemoved = 0;\n  const attrs = ['fill', 'stroke', 'filter', 'marker-start', 'marker-mid', 'marker-end'];\n  const alen = attrs.length;\n\n  const allEls = svgcontent.getElementsByTagNameNS(NS.SVG, '*');\n  const allLen = allEls.length;\n\n  let i, j;\n  for (i = 0; i < allLen; i++) {\n    const el = allEls[i];\n    for (j = 0; j < alen; j++) {\n      const ref = getUrlFromAttr(el.getAttribute(attrs[j]));\n      if (ref) {\n        defelemUses.push(ref.substr(1));\n      }\n    }\n\n    // gradients can refer to other gradients\n    const href = getHref(el);\n    if (href && href.startsWith('#')) {\n      defelemUses.push(href.substr(1));\n    }\n  }\n\n  const defelems = $(defs).find('linearGradient, radialGradient, filter, marker, svg, symbol');\n  i = defelems.length;\n  while (i--) {\n    const defelem = defelems[i];\n    const {id} = defelem;\n    if (!defelemUses.includes(id)) {\n      // Not found, so remove (but remember)\n      removedElements[id] = defelem;\n      defelem.remove();\n      numRemoved++;\n    }\n  }\n\n  return numRemoved;\n};\n\n/**\n* Main function to set up the SVG content for output\n* @function module:svgcanvas.SvgCanvas#svgCanvasToString\n* @returns {string} The SVG image for output\n*/\nthis.svgCanvasToString = function () {\n  // keep calling it until there are none to remove\n  while (removeUnusedDefElems() > 0) {}\n\n  pathActions.clear(true);\n\n  // Keep SVG-Edit comment on top\n  $.each(svgcontent.childNodes, function (i, node) {\n    if (i && node.nodeType === 8 && node.data.includes('Created with')) {\n      svgcontent.firstChild.before(node);\n    }\n  });\n\n  // Move out of in-group editing mode\n  if (currentGroup) {\n    draw.leaveContext();\n    selectOnly([currentGroup]);\n  }\n\n  const nakedSvgs = [];\n\n  // Unwrap gsvg if it has no special attributes (only id and style)\n  $(svgcontent).find('g:data(gsvg)').each(function () {\n    const attrs = this.attributes;\n    let len = attrs.length;\n    for (let i = 0; i < len; i++) {\n      if (attrs[i].nodeName === 'id' || attrs[i].nodeName === 'style') {\n        len--;\n      }\n    }\n    // No significant attributes, so ungroup\n    if (len <= 0) {\n      const svg = this.firstChild;\n      nakedSvgs.push(svg);\n      $(this).replaceWith(svg);\n    }\n  });\n  const output = this.svgToString(svgcontent, 0);\n\n  // Rewrap gsvg\n  if (nakedSvgs.length) {\n    $(nakedSvgs).each(function () {\n      groupSvgElem(this);\n    });\n  }\n\n  return output;\n};\n\n/**\n* Sub function ran on each SVG element to convert it to a string as desired\n* @function module:svgcanvas.SvgCanvas#svgToString\n* @param {Element} elem - The SVG element to convert\n* @param {Integer} indent - Number of spaces to indent this tag\n* @returns {string} The given element as an SVG tag\n*/\nthis.svgToString = function (elem, indent) {\n  const out = [];\n  const unit = curConfig.baseUnit;\n  const unitRe = new RegExp('^-?[\\\\d\\\\.]+' + unit + '$');\n\n  if (elem) {\n    cleanupElement(elem);\n    const attrs = Array.from(elem.attributes);\n    let i;\n    const childs = elem.childNodes;\n    attrs.sort((a, b) => a.name > b.name ? -1 : 1);\n\n    for (i = 0; i < indent; i++) { out.push(' '); }\n    out.push('<'); out.push(elem.nodeName);\n    if (elem.id === 'svgcontent') {\n      // Process root element separately\n      const res = getResolution();\n\n      const vb = '';\n      // TODO: Allow this by dividing all values by current baseVal\n      // Note that this also means we should properly deal with this on import\n      // if (curConfig.baseUnit !== 'px') {\n      //   const unit = curConfig.baseUnit;\n      //   const unitM = getTypeMap()[unit];\n      //   res.w = shortFloat(res.w / unitM);\n      //   res.h = shortFloat(res.h / unitM);\n      //   vb = ' viewBox=\"' + [0, 0, res.w, res.h].join(' ') + '\"';\n      //   res.w += unit;\n      //   res.h += unit;\n      // }\n\n      if (unit !== 'px') {\n        res.w = convertUnit(res.w, unit) + unit;\n        res.h = convertUnit(res.h, unit) + unit;\n      }\n\n      out.push(' width=\"' + res.w + '\" height=\"' + res.h + '\"' + vb + ' xmlns=\"' + NS.SVG + '\"');\n\n      const nsuris = {};\n\n      // Check elements for namespaces, add if found\n      $(elem).find('*').andSelf().each(function () {\n        // const el = this;\n        // for some elements have no attribute\n        const uri = this.namespaceURI;\n        if (uri && !nsuris[uri] && nsMap[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {\n          nsuris[uri] = true;\n          out.push(' xmlns:' + nsMap[uri] + '=\"' + uri + '\"');\n        }\n\n        $.each(this.attributes, function (i, attr) {\n          const uri = attr.namespaceURI;\n          if (uri && !nsuris[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {\n            nsuris[uri] = true;\n            out.push(' xmlns:' + nsMap[uri] + '=\"' + uri + '\"');\n          }\n        });\n      });\n\n      i = attrs.length;\n      const attrNames = ['width', 'height', 'xmlns', 'x', 'y', 'viewBox', 'id', 'overflow'];\n      while (i--) {\n        const attr = attrs[i];\n        const attrVal = toXml(attr.value);\n\n        // Namespaces have already been dealt with, so skip\n        if (attr.nodeName.startsWith('xmlns:')) { continue; }\n\n        // only serialize attributes we don't use internally\n        if (attrVal !== '' && !attrNames.includes(attr.localName)) {\n          if (!attr.namespaceURI || nsMap[attr.namespaceURI]) {\n            out.push(' ');\n            out.push(attr.nodeName); out.push('=\"');\n            out.push(attrVal); out.push('\"');\n          }\n        }\n      }\n    } else {\n      // Skip empty defs\n      if (elem.nodeName === 'defs' && !elem.firstChild) { return; }\n\n      const mozAttrs = ['-moz-math-font-style', '_moz-math-font-style'];\n      for (i = attrs.length - 1; i >= 0; i--) {\n        const attr = attrs[i];\n        let attrVal = toXml(attr.value);\n        // remove bogus attributes added by Gecko\n        if (mozAttrs.includes(attr.localName)) { continue; }\n        if (attrVal !== '') {\n          if (attrVal.startsWith('pointer-events')) { continue; }\n          if (attr.localName === 'class' && attrVal.startsWith('se_')) { continue; }\n          out.push(' ');\n          if (attr.localName === 'd') { attrVal = pathActions.convertPath(elem, true); }\n          if (!isNaN(attrVal)) {\n            attrVal = shortFloat(attrVal);\n          } else if (unitRe.test(attrVal)) {\n            attrVal = shortFloat(attrVal) + unit;\n          }\n\n          // Embed images when saving\n          if (saveOptions.apply &&\n            elem.nodeName === 'image' &&\n            attr.localName === 'href' &&\n            saveOptions.images &&\n            saveOptions.images === 'embed'\n          ) {\n            const img = encodableImages[attrVal];\n            if (img) { attrVal = img; }\n          }\n\n          // map various namespaces to our fixed namespace prefixes\n          // (the default xmlns attribute itself does not get a prefix)\n          if (!attr.namespaceURI || attr.namespaceURI === NS.SVG || nsMap[attr.namespaceURI]) {\n            out.push(attr.nodeName); out.push('=\"');\n            out.push(attrVal); out.push('\"');\n          }\n        }\n      }\n    }\n\n    if (elem.hasChildNodes()) {\n      out.push('>');\n      indent++;\n      let bOneLine = false;\n\n      for (i = 0; i < childs.length; i++) {\n        const child = childs.item(i);\n        switch (child.nodeType) {\n        case 1: // element node\n          out.push('\\n');\n          out.push(this.svgToString(childs.item(i), indent));\n          break;\n        case 3: // text node\n          const str = child.nodeValue.replace(/^\\s+|\\s+$/g, '');\n          if (str !== '') {\n            bOneLine = true;\n            out.push(String(toXml(str)));\n          }\n          break;\n        case 4: // cdata node\n          out.push('\\n');\n          out.push(new Array(indent + 1).join(' '));\n          out.push('<![CDATA[');\n          out.push(child.nodeValue);\n          out.push(']]>');\n          break;\n        case 8: // comment\n          out.push('\\n');\n          out.push(new Array(indent + 1).join(' '));\n          out.push('<!--');\n          out.push(child.data);\n          out.push('-->');\n          break;\n        } // switch on node type\n      }\n      indent--;\n      if (!bOneLine) {\n        out.push('\\n');\n        for (i = 0; i < indent; i++) { out.push(' '); }\n      }\n      out.push('</'); out.push(elem.nodeName); out.push('>');\n    } else {\n      out.push('/>');\n    }\n  }\n  return out.join('');\n}; // end svgToString()\n\n/**\n * Function to run when image data is found\n * @callback module:svgcanvas.ImageEmbeddedCallback\n * @param {string|false} result Data URL\n * @returns {undefined}\n */\n/**\n* Converts a given image file to a data URL when possible, then runs a given callback\n* @function module:svgcanvas.SvgCanvas#embedImage\n* @param {string} src - The path/URL of the image\n* @param {module:svgcanvas.ImageEmbeddedCallback} [callback] - Function to run when image data is found\n* @returns {Promise} Resolves to Data URL (string|false)\n*/\nthis.embedImage = function (src, callback) {\n  return new Promise(function (resolve, reject) {\n    // load in the image and once it's loaded, get the dimensions\n    $(new Image()).load(function (response, status, xhr) {\n      if (status === 'error') {\n        reject(new Error('Error loading image: ' + xhr.status + ' ' + xhr.statusText));\n        return;\n      }\n      // create a canvas the same size as the raster image\n      const cvs = document.createElement('canvas');\n      cvs.width = this.width;\n      cvs.height = this.height;\n      // load the raster image into the canvas\n      cvs.getContext('2d').drawImage(this, 0, 0);\n      // retrieve the data: URL\n      try {\n        let urldata = ';svgedit_url=' + encodeURIComponent(src);\n        urldata = cvs.toDataURL().replace(';base64', urldata + ';base64');\n        encodableImages[src] = urldata;\n      } catch (e) {\n        encodableImages[src] = false;\n      }\n      lastGoodImgUrl = src;\n      if (callback) { callback(encodableImages[src]); }\n      resolve(encodableImages[src]);\n    }).attr('src', src);\n  });\n};\n\n/**\n* Sets a given URL to be a \"last good image\" URL\n* @function module:svgcanvas.SvgCanvas#setGoodImage\n* @param {string} val\n* @returns {undefined}\n*/\nthis.setGoodImage = function (val) {\n  lastGoodImgUrl = val;\n};\n\n/**\n* Does nothing by default, handled by optional widget/extension\n* @function module:svgcanvas.SvgCanvas#open\n* @returns {undefined}\n*/\nthis.open = function () {\n};\n\n/**\n* Serializes the current drawing into SVG XML text and passes it to the 'saved' handler.\n* This function also includes the XML prolog. Clients of the `SvgCanvas` bind their save\n* function to the 'saved' event.\n* @function module:svgcanvas.SvgCanvas#save\n* @param {module:svgcanvas.SaveOptions} opts\n* @fires module:svgcanvas.SvgCanvas#event:saved\n* @returns {undefined}\n*/\nthis.save = function (opts) {\n  // remove the selected outline before serializing\n  clearSelection();\n  // Update save options if provided\n  if (opts) { $.extend(saveOptions, opts); }\n  saveOptions.apply = true;\n\n  // no need for doctype, see https://jwatt.org/svg/authoring/#doctype-declaration\n  const str = this.svgCanvasToString();\n  call('saved', str);\n};\n\n/**\n* Codes only is useful for locale-independent detection\n*/\nfunction getIssues () {\n  // remove the selected outline before serializing\n  clearSelection();\n\n  // Check for known CanVG issues\n  const issues = [];\n  const issueCodes = [];\n\n  // Selector and notice\n  const issueList = {\n    feGaussianBlur: uiStrings.exportNoBlur,\n    foreignObject: uiStrings.exportNoforeignObject,\n    '[stroke-dasharray]': uiStrings.exportNoDashArray\n  };\n  const content = $(svgcontent);\n\n  // Add font/text check if Canvas Text API is not implemented\n  if (!('font' in $('<canvas>')[0].getContext('2d'))) {\n    issueList.text = uiStrings.exportNoText;\n  }\n\n  $.each(issueList, function (sel, descr) {\n    if (content.find(sel).length) {\n      issueCodes.push(sel);\n      issues.push(descr);\n    }\n  });\n  return {issues, issueCodes};\n}\n\nlet canvg;\n/**\n* @typedef {\"feGaussianBlur\"|\"foreignObject\"|\"[stroke-dasharray]\"|\"text\"} module:svgcanvas.IssueCode\n*/\n/**\n* @typedef {PlainObject} module:svgcanvas.ImageExportedResults\n* @property {string} datauri Contents as a Data URL\n* @property {string} bloburl May be the empty string\n* @property {string} svg The SVG contents as a string\n* @property {string[]} issues The localization messages of `issueCodes`\n* @property {module:svgcanvas.IssueCode[]} issueCodes CanVG issues found with the SVG\n* @property {\"PNG\"|\"JPEG\"|\"BMP\"|\"WEBP\"|\"ICO\"} type The chosen image type\n* @property {\"image/png\"|\"image/jpeg\"|\"image/bmp\"|\"image/webp\"} mimeType The image MIME type\n* @property {Float} quality A decimal between 0 and 1 (for use with JPEG or WEBP)\n* @property {string} exportWindowName A convenience for passing along a `window.name` to target a window on which the export could be added\n*/\n\n/**\n * Function to run when image data is found\n * @callback module:svgcanvas.ImageExportedCallback\n * @param {module:svgcanvas.ImageExportedResults} obj\n * @returns {undefined}\n */\n/**\n* Generates a PNG (or JPG, BMP, WEBP) Data URL based on the current image,\n* then calls \"exported\" with an object including the string, image\n* information, and any issues found\n* @function module:svgcanvas.SvgCanvas#rasterExport\n* @param {\"PNG\"|\"JPEG\"|\"BMP\"|\"WEBP\"|\"ICO\"} [imgType=\"PNG\"]\n* @param {Float} [quality] Between 0 and 1\n* @param {string} [exportWindowName]\n* @param {module:svgcanvas.ImageExportedCallback} [cb]\n* @fires module:svgcanvas.SvgCanvas#event:exported\n* @todo Confirm/fix ICO type\n* @returns {Promise} Resolves to {@link module:svgcanvas.ImageExportedResults}\n*/\nthis.rasterExport = function (imgType, quality, exportWindowName, cb) {\n  const type = imgType === 'ICO' ? 'BMP' : (imgType || 'PNG');\n  const mimeType = 'image/' + type.toLowerCase();\n  const {issues, issueCodes} = getIssues();\n  const svg = this.svgCanvasToString();\n\n  return new Promise(async (resolve, reject) => {\n    if (!canvg) {\n      ({canvg} = await importSetGlobal(curConfig.canvgPath + 'canvg.js', {\n        global: 'canvg'\n      }));\n    }\n    if (!$('#export_canvas').length) {\n      $('<canvas>', {id: 'export_canvas'}).hide().appendTo('body');\n    }\n    const c = $('#export_canvas')[0];\n    c.width = canvas.contentW;\n    c.height = canvas.contentH;\n\n    await canvg(c, svg);\n    const dataURLType = type.toLowerCase();\n    const datauri = quality\n      ? c.toDataURL('image/' + dataURLType, quality)\n      : c.toDataURL('image/' + dataURLType);\n    let bloburl;\n    function done () {\n      const obj = {\n        datauri, bloburl, svg, issues, issueCodes, type: imgType,\n        mimeType, quality, exportWindowName\n      };\n      call('exported', obj);\n      if (cb) {\n        cb(obj);\n      }\n      resolve(obj);\n    }\n    if (c.toBlob) {\n      c.toBlob((blob) => {\n        bloburl = createObjectURL(blob);\n        done();\n      }, mimeType, quality);\n      return;\n    }\n    bloburl = dataURLToObjectURL(datauri);\n    done();\n  });\n};\n/**\n * @external jsPDF\n */\n/**\n * @typedef {undefined|\"save\"|\"arraybuffer\"|\"blob\"|\"datauristring\"|\"dataurlstring\"|\"dataurlnewwindow\"|\"datauri\"|\"dataurl\"} external:jsPDF.OutputType\n * @todo Newer version to add also allows these `outputType` values \"bloburi\"|\"bloburl\" which return strings, so document here and for `outputType` of `module:svgcanvas.PDFExportedResults` below if added\n*/\n/**\n* @typedef {PlainObject} module:svgcanvas.PDFExportedResults\n* @property {string} svg The SVG PDF output\n* @property {string|ArrayBuffer|Blob|window} output The output based on the `outputType`;\n* if `undefined`, \"datauristring\", \"dataurlstring\", \"datauri\",\n* or \"dataurl\", will be a string (`undefined` gives a document, while the others\n* build as Data URLs; \"datauri\" and \"dataurl\" change the location of the current page); if\n* \"arraybuffer\", will return `ArrayBuffer`; if \"blob\", returns a `Blob`;\n* if \"dataurlnewwindow\", will change the current page's location and return a string\n* if in Safari and no window object is found; otherwise opens in, and returns, a new `window`\n* object; if \"save\", will have the same return as \"dataurlnewwindow\" if\n* `navigator.getUserMedia` support is found without `URL.createObjectURL` support; otherwise\n* returns `undefined` but attempts to save\n* @property {external:jsPDF.OutputType} outputType\n* @property {string[]} issues The human-readable localization messages of corresponding `issueCodes`\n* @property {module:svgcanvas.IssueCode[]} issueCodes\n* @property {string} exportWindowName\n*/\n\n/**\n * Function to run when PDF data is found\n * @callback module:svgcanvas.PDFExportedCallback\n * @param {module:svgcanvas.PDFExportedResults} obj\n * @returns {undefined}\n */\n/**\n* Generates a PDF based on the current image, then calls \"exportedPDF\" with\n* an object including the string, the data URL, and any issues found\n* @function module:svgcanvas.SvgCanvas#exportPDF\n* @param {string} exportWindowName Will also be used for the download file name here\n* @param {external:jsPDF.OutputType} [outputType=\"dataurlstring\"]\n* @param {module:svgcanvas.PDFExportedCallback} cb\n* @fires module:svgcanvas.SvgCanvas#event:exportedPDF\n* @returns {Promise} Resolves to {@link module:svgcanvas.PDFExportedResults}\n*/\nthis.exportPDF = function (exportWindowName, outputType, cb) {\n  const that = this;\n  return new Promise(async (resolve, reject) => {\n    if (!window.jsPDF) {\n      // Todo: Switch to `import()` when widely supported and available (also allow customization of path)\n      await importScript([\n        // We do not currently have these paths configurable as they are\n        //   currently global-only, so not Rolled-up\n        'jspdf/underscore-min.js',\n        'jspdf/jspdf.min.js'\n      ]);\n\n      const modularVersion = !('svgEditor' in window) ||\n        !window.svgEditor ||\n        window.svgEditor.modules !== false;\n      // Todo: Switch to `import()` when widely supported and available (also allow customization of path)\n      await importScript(curConfig.jspdfPath + 'jspdf.plugin.svgToPdf.js', {\n        type: modularVersion\n          ? 'module'\n          : 'text/javascript'\n      });\n      // await importModule('jspdf/jspdf.plugin.svgToPdf.js');\n    }\n\n    const res = getResolution();\n    const orientation = res.w > res.h ? 'landscape' : 'portrait';\n    const unit = 'pt'; // curConfig.baseUnit; // We could use baseUnit, but that is presumably not intended for export purposes\n\n    // Todo: Give options to use predefined jsPDF formats like \"a4\", etc. from pull-down (with option to keep customizable)\n    const doc = jsPDF({\n      orientation,\n      unit,\n      format: [res.w, res.h]\n      // , compressPdf: true\n    });\n    const docTitle = getDocumentTitle();\n    doc.setProperties({\n      title: docTitle /* ,\n      subject: '',\n      author: '',\n      keywords: '',\n      creator: '' */\n    });\n    const {issues, issueCodes} = getIssues();\n    const svg = that.svgCanvasToString();\n    doc.addSVG(svg, 0, 0);\n\n    // doc.output('save'); // Works to open in a new\n    //  window; todo: configure this and other export\n    //  options to optionally work in this manner as\n    //  opposed to opening a new tab\n    outputType = outputType || 'dataurlstring';\n    const obj = {svg, issues, issueCodes, exportWindowName, outputType};\n    obj.output = doc.output(outputType, outputType === 'save' ? (exportWindowName || 'svg.pdf') : undefined);\n    if (cb) {\n      cb(obj);\n    }\n    resolve(obj);\n    call('exportedPDF', obj);\n  });\n};\n\n/**\n* Returns the current drawing as raw SVG XML text.\n* @function module:svgcanvas.SvgCanvas#getSvgString\n* @returns {string} The current drawing as raw SVG XML text.\n*/\nthis.getSvgString = function () {\n  saveOptions.apply = false;\n  return this.svgCanvasToString();\n};\n\n/**\n* This function determines whether to use a nonce in the prefix, when\n* generating IDs for future documents in SVG-Edit.\n* If you're controlling SVG-Edit externally, and want randomized IDs, call\n* this BEFORE calling svgCanvas.setSvgString\n* @function module:svgcanvas.SvgCanvas#randomizeIds\n* @param {boolean} [enableRandomization] If true, adds a nonce to the prefix. Thus\n* `svgCanvas.randomizeIds() <==> svgCanvas.randomizeIds(true)`\n* @returns {undefined}\n*/\nthis.randomizeIds = function (enableRandomization) {\n  if (arguments.length > 0 && enableRandomization === false) {\n    draw.randomizeIds(false, getCurrentDrawing());\n  } else {\n    draw.randomizeIds(true, getCurrentDrawing());\n  }\n};\n\n/**\n* Ensure each element has a unique ID\n* @function module:svgcanvas.SvgCanvas#uniquifyElems\n* @param {Element} g - The parent element of the tree to give unique IDs\n* @returns {undefined}\n*/\nconst uniquifyElems = this.uniquifyElems = function (g) {\n  const ids = {};\n  // TODO: Handle markers and connectors. These are not yet re-identified properly\n  // as their referring elements do not get remapped.\n  //\n  // <marker id='se_marker_end_svg_7'/>\n  // <polyline id='svg_7' se:connector='svg_1 svg_6' marker-end='url(#se_marker_end_svg_7)'/>\n  //\n  // Problem #1: if svg_1 gets renamed, we do not update the polyline's se:connector attribute\n  // Problem #2: if the polyline svg_7 gets renamed, we do not update the marker id nor the polyline's marker-end attribute\n  const refElems = ['filter', 'linearGradient', 'pattern', 'radialGradient', 'symbol', 'textPath', 'use'];\n\n  walkTree(g, function (n) {\n    // if it's an element node\n    if (n.nodeType === 1) {\n      // and the element has an ID\n      if (n.id) {\n        // and we haven't tracked this ID yet\n        if (!(n.id in ids)) {\n          // add this id to our map\n          ids[n.id] = {elem: null, attrs: [], hrefs: []};\n        }\n        ids[n.id].elem = n;\n      }\n\n      // now search for all attributes on this element that might refer\n      // to other elements\n      $.each(refAttrs, function (i, attr) {\n        const attrnode = n.getAttributeNode(attr);\n        if (attrnode) {\n          // the incoming file has been sanitized, so we should be able to safely just strip off the leading #\n          const url = getUrlFromAttr(attrnode.value),\n            refid = url ? url.substr(1) : null;\n          if (refid) {\n            if (!(refid in ids)) {\n              // add this id to our map\n              ids[refid] = {elem: null, attrs: [], hrefs: []};\n            }\n            ids[refid].attrs.push(attrnode);\n          }\n        }\n      });\n\n      // check xlink:href now\n      const href = getHref(n);\n      // TODO: what if an <image> or <a> element refers to an element internally?\n      if (href && refElems.includes(n.nodeName)) {\n        const refid = href.substr(1);\n        if (refid) {\n          if (!(refid in ids)) {\n            // add this id to our map\n            ids[refid] = {elem: null, attrs: [], hrefs: []};\n          }\n          ids[refid].hrefs.push(n);\n        }\n      }\n    }\n  });\n\n  // in ids, we now have a map of ids, elements and attributes, let's re-identify\n  for (const oldid in ids) {\n    if (!oldid) { continue; }\n    const {elem} = ids[oldid];\n    if (elem) {\n      const newid = getNextId();\n\n      // assign element its new id\n      elem.id = newid;\n\n      // remap all url() attributes\n      const {attrs} = ids[oldid];\n      let j = attrs.length;\n      while (j--) {\n        const attr = attrs[j];\n        attr.ownerElement.setAttribute(attr.name, 'url(#' + newid + ')');\n      }\n\n      // remap all href attributes\n      const hreffers = ids[oldid].hrefs;\n      let k = hreffers.length;\n      while (k--) {\n        const hreffer = hreffers[k];\n        setHref(hreffer, '#' + newid);\n      }\n    }\n  }\n};\n\n/**\n* Assigns reference data for each use element\n* @function module:svgcanvas.SvgCanvas#setUseData\n* @param {Element} parent\n* @returns {undefined}\n*/\nconst setUseData = this.setUseData = function (parent) {\n  let elems = $(parent);\n\n  if (parent.tagName !== 'use') {\n    elems = elems.find('use');\n  }\n\n  elems.each(function () {\n    const id = getHref(this).substr(1);\n    const refElem = getElem(id);\n    if (!refElem) { return; }\n    $(this).data('ref', refElem);\n    if (refElem.tagName === 'symbol' || refElem.tagName === 'svg') {\n      $(this).data('symbol', refElem).data('ref', refElem);\n    }\n  });\n};\n\n/**\n* Converts gradients from userSpaceOnUse to objectBoundingBox\n* @function module:svgcanvas.SvgCanvas#convertGradients\n* @param {Element} elem\n* @returns {undefined}\n*/\nconst convertGradients = this.convertGradients = function (elem) {\n  let elems = $(elem).find('linearGradient, radialGradient');\n  if (!elems.length && isWebkit()) {\n    // Bug in webkit prevents regular *Gradient selector search\n    elems = $(elem).find('*').filter(function () {\n      return (this.tagName.includes('Gradient'));\n    });\n  }\n\n  elems.each(function () {\n    const grad = this;\n    if ($(grad).attr('gradientUnits') === 'userSpaceOnUse') {\n      // TODO: Support more than one element with this ref by duplicating parent grad\n      const elems = $(svgcontent).find('[fill=\"url(#' + grad.id + ')\"],[stroke=\"url(#' + grad.id + ')\"]');\n      if (!elems.length) { return; }\n\n      // get object's bounding box\n      const bb = utilsGetBBox(elems[0]);\n\n      // This will occur if the element is inside a <defs> or a <symbol>,\n      // in which we shouldn't need to convert anyway.\n      if (!bb) { return; }\n\n      if (grad.tagName === 'linearGradient') {\n        const gCoords = $(grad).attr(['x1', 'y1', 'x2', 'y2']);\n\n        // If has transform, convert\n        const tlist = grad.gradientTransform.baseVal;\n        if (tlist && tlist.numberOfItems > 0) {\n          const m = transformListToTransform(tlist).matrix;\n          const pt1 = transformPoint(gCoords.x1, gCoords.y1, m);\n          const pt2 = transformPoint(gCoords.x2, gCoords.y2, m);\n\n          gCoords.x1 = pt1.x;\n          gCoords.y1 = pt1.y;\n          gCoords.x2 = pt2.x;\n          gCoords.y2 = pt2.y;\n          grad.removeAttribute('gradientTransform');\n        }\n\n        $(grad).attr({\n          x1: (gCoords.x1 - bb.x) / bb.width,\n          y1: (gCoords.y1 - bb.y) / bb.height,\n          x2: (gCoords.x2 - bb.x) / bb.width,\n          y2: (gCoords.y2 - bb.y) / bb.height\n        });\n        grad.removeAttribute('gradientUnits');\n      }\n      // else {\n      //   Note: radialGradient elements cannot be easily converted\n      //   because userSpaceOnUse will keep circular gradients, while\n      //   objectBoundingBox will x/y scale the gradient according to\n      //   its bbox.\n      //\n      //   For now we'll do nothing, though we should probably have\n      //   the gradient be updated as the element is moved, as\n      //   inkscape/illustrator do.\n      //\n      //   const gCoords = $(grad).attr(['cx', 'cy', 'r']);\n      //\n      //   $(grad).attr({\n      //     cx: (gCoords.cx - bb.x) / bb.width,\n      //     cy: (gCoords.cy - bb.y) / bb.height,\n      //     r: gCoords.r\n      //   });\n      //\n      //   grad.removeAttribute('gradientUnits');\n      // }\n    }\n  });\n};\n\n/**\n* Converts selected/given `<use>` or child SVG element to a group\n* @function module:svgcanvas.SvgCanvas#convertToGroup\n* @param {Element} elem\n* @fires module:svgcanvas.SvgCanvas#event:selected\n* @returns {undefined}\n*/\nconst convertToGroup = this.convertToGroup = function (elem) {\n  if (!elem) {\n    elem = selectedElements[0];\n  }\n  const $elem = $(elem);\n  const batchCmd = new BatchCommand();\n  let ts;\n\n  if ($elem.data('gsvg')) {\n    // Use the gsvg as the new group\n    const svg = elem.firstChild;\n    const pt = $(svg).attr(['x', 'y']);\n\n    $(elem.firstChild.firstChild).unwrap();\n    $(elem).removeData('gsvg');\n\n    const tlist = getTransformList(elem);\n    const xform = svgroot.createSVGTransform();\n    xform.setTranslate(pt.x, pt.y);\n    tlist.appendItem(xform);\n    recalculateDimensions(elem);\n    call('selected', [elem]);\n  } else if ($elem.data('symbol')) {\n    elem = $elem.data('symbol');\n\n    ts = $elem.attr('transform');\n    const pos = $elem.attr(['x', 'y']);\n\n    const vb = elem.getAttribute('viewBox');\n\n    if (vb) {\n      const nums = vb.split(' ');\n      pos.x -= +nums[0];\n      pos.y -= +nums[1];\n    }\n\n    // Not ideal, but works\n    ts += ' translate(' + (pos.x || 0) + ',' + (pos.y || 0) + ')';\n\n    const prev = $elem.prev();\n\n    // Remove <use> element\n    batchCmd.addSubCommand(new RemoveElementCommand($elem[0], $elem[0].nextSibling, $elem[0].parentNode));\n    $elem.remove();\n\n    // See if other elements reference this symbol\n    const hasMore = $(svgcontent).find('use:data(symbol)').length;\n\n    const g = svgdoc.createElementNS(NS.SVG, 'g');\n    const childs = elem.childNodes;\n\n    let i;\n    for (i = 0; i < childs.length; i++) {\n      g.append(childs[i].cloneNode(true));\n    }\n\n    // Duplicate the gradients for Gecko, since they weren't included in the <symbol>\n    if (isGecko()) {\n      const dupeGrads = $(findDefs()).children('linearGradient,radialGradient,pattern').clone();\n      $(g).append(dupeGrads);\n    }\n\n    if (ts) {\n      g.setAttribute('transform', ts);\n    }\n\n    const parent = elem.parentNode;\n\n    uniquifyElems(g);\n\n    // Put the dupe gradients back into <defs> (after uniquifying them)\n    if (isGecko()) {\n      $(findDefs()).append($(g).find('linearGradient,radialGradient,pattern'));\n    }\n\n    // now give the g itself a new id\n    g.id = getNextId();\n\n    prev.after(g);\n\n    if (parent) {\n      if (!hasMore) {\n        // remove symbol/svg element\n        const {nextSibling} = elem;\n        elem.remove();\n        batchCmd.addSubCommand(new RemoveElementCommand(elem, nextSibling, parent));\n      }\n      batchCmd.addSubCommand(new InsertElementCommand(g));\n    }\n\n    setUseData(g);\n\n    if (isGecko()) {\n      convertGradients(findDefs());\n    } else {\n      convertGradients(g);\n    }\n\n    // recalculate dimensions on the top-level children so that unnecessary transforms\n    // are removed\n    walkTreePost(g, function (n) {\n      try {\n        recalculateDimensions(n);\n      } catch (e) {\n        console.log(e);\n      }\n    });\n\n    // Give ID for any visible element missing one\n    $(g).find(visElems).each(function () {\n      if (!this.id) { this.id = getNextId(); }\n    });\n\n    selectOnly([g]);\n\n    const cm = pushGroupProperties(g, true);\n    if (cm) {\n      batchCmd.addSubCommand(cm);\n    }\n\n    addCommandToHistory(batchCmd);\n  } else {\n    console.log('Unexpected element to ungroup:', elem);\n  }\n};\n\n/**\n* This function sets the current drawing as the input SVG XML.\n* @function module:svgcanvas.SvgCanvas#setSvgString\n* @param {string} xmlString - The SVG as XML text.\n* @param {boolean} [preventUndo=false] - Indicates if we want to do the\n* changes without adding them to the undo stack - e.g. for initializing a\n* drawing on page load.\n* @fires module:svgcanvas.SvgCanvas#event:setnonce\n* @fires module:svgcanvas.SvgCanvas#event:unsetnonce\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {boolean} This function returns `false` if the set was\n*     unsuccessful, `true` otherwise.\n*/\nthis.setSvgString = function (xmlString, preventUndo) {\n  try {\n    // convert string into XML document\n    const newDoc = text2xml(xmlString);\n    if (newDoc.firstElementChild &&\n      newDoc.firstElementChild.namespaceURI !== NS.SVG) {\n      return false;\n    }\n\n    this.prepareSvg(newDoc);\n\n    const batchCmd = new BatchCommand('Change Source');\n\n    // remove old svg document\n    const {nextSibling} = svgcontent;\n    const oldzoom = svgroot.removeChild(svgcontent);\n    batchCmd.addSubCommand(new RemoveElementCommand(oldzoom, nextSibling, svgroot));\n\n    // set new svg document\n    // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()\n    if (svgdoc.adoptNode) {\n      svgcontent = svgdoc.adoptNode(newDoc.documentElement);\n    } else {\n      svgcontent = svgdoc.importNode(newDoc.documentElement, true);\n    }\n\n    svgroot.append(svgcontent);\n    const content = $(svgcontent);\n\n    canvas.current_drawing_ = new draw.Drawing(svgcontent, idprefix);\n\n    // retrieve or set the nonce\n    const nonce = getCurrentDrawing().getNonce();\n    if (nonce) {\n      call('setnonce', nonce);\n    } else {\n      call('unsetnonce');\n    }\n\n    // change image href vals if possible\n    content.find('image').each(function () {\n      const image = this;\n      preventClickDefault(image);\n      const val = getHref(this);\n      if (val) {\n        if (val.startsWith('data:')) {\n          // Check if an SVG-edit data URI\n          const m = val.match(/svgedit_url=(.*?);/);\n          if (m) {\n            const url = decodeURIComponent(m[1]);\n            $(new Image()).load(function () {\n              image.setAttributeNS(NS.XLINK, 'xlink:href', url);\n            }).attr('src', url);\n          }\n        }\n        // Add to encodableImages if it loads\n        canvas.embedImage(val);\n      }\n    });\n\n    // Wrap child SVGs in group elements\n    content.find('svg').each(function () {\n      // Skip if it's in a <defs>\n      if ($(this).closest('defs').length) { return; }\n\n      uniquifyElems(this);\n\n      // Check if it already has a gsvg group\n      const pa = this.parentNode;\n      if (pa.childNodes.length === 1 && pa.nodeName === 'g') {\n        $(pa).data('gsvg', this);\n        pa.id = pa.id || getNextId();\n      } else {\n        groupSvgElem(this);\n      }\n    });\n\n    // For Firefox: Put all paint elems in defs\n    if (isGecko()) {\n      content.find('linearGradient, radialGradient, pattern').appendTo(findDefs());\n    }\n\n    // Set ref element for <use> elements\n\n    // TODO: This should also be done if the object is re-added through \"redo\"\n    setUseData(content);\n\n    convertGradients(content[0]);\n\n    const attrs = {\n      id: 'svgcontent',\n      overflow: curConfig.show_outside_canvas ? 'visible' : 'hidden'\n    };\n\n    let percs = false;\n\n    // determine proper size\n    if (content.attr('viewBox')) {\n      const vb = content.attr('viewBox').split(' ');\n      attrs.width = vb[2];\n      attrs.height = vb[3];\n    // handle content that doesn't have a viewBox\n    } else {\n      $.each(['width', 'height'], function (i, dim) {\n        // Set to 100 if not given\n        const val = content.attr(dim) || '100%';\n\n        if (String(val).substr(-1) === '%') {\n          // Use user units if percentage given\n          percs = true;\n        } else {\n          attrs[dim] = convertToNum(dim, val);\n        }\n      });\n    }\n\n    // identify layers\n    draw.identifyLayers();\n\n    // Give ID for any visible layer children missing one\n    content.children().find(visElems).each(function () {\n      if (!this.id) { this.id = getNextId(); }\n    });\n\n    // Percentage width/height, so let's base it on visible elements\n    if (percs) {\n      const bb = getStrokedBBoxDefaultVisible();\n      attrs.width = bb.width + bb.x;\n      attrs.height = bb.height + bb.y;\n    }\n\n    // Just in case negative numbers are given or\n    // result from the percs calculation\n    if (attrs.width <= 0) { attrs.width = 100; }\n    if (attrs.height <= 0) { attrs.height = 100; }\n\n    content.attr(attrs);\n    this.contentW = attrs.width;\n    this.contentH = attrs.height;\n\n    batchCmd.addSubCommand(new InsertElementCommand(svgcontent));\n    // update root to the correct size\n    const changes = content.attr(['width', 'height']);\n    batchCmd.addSubCommand(new ChangeElementCommand(svgroot, changes));\n\n    // reset zoom\n    currentZoom = 1;\n\n    // reset transform lists\n    resetListMap();\n    clearSelection();\n    pathModule.clearData();\n    svgroot.append(selectorManager.selectorParentGroup);\n\n    if (!preventUndo) addCommandToHistory(batchCmd);\n    call('changed', [svgcontent]);\n  } catch (e) {\n    console.log(e);\n    return false;\n  }\n\n  return true;\n};\n\n/**\n* This function imports the input SVG XML as a `<symbol>` in the `<defs>`, then adds a\n* `<use>` to the current layer.\n* @function module:svgcanvas.SvgCanvas#importSvgString\n* @param {string} xmlString - The SVG as XML text.\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {null|Element} This function returns null if the import was unsuccessful, or the element otherwise.\n* @todo\n* - properly handle if namespace is introduced by imported content (must add to svgcontent\n* and update all prefixes in the imported node)\n* - properly handle recalculating dimensions, `recalculateDimensions()` doesn't handle\n* arbitrary transform lists, but makes some assumptions about how the transform list\n* was obtained\n*/\nthis.importSvgString = function (xmlString) {\n  let j, ts, useEl;\n  try {\n    // Get unique ID\n    const uid = encode64(xmlString.length + xmlString).substr(0, 32);\n\n    let useExisting = false;\n    // Look for symbol and make sure symbol exists in image\n    if (importIds[uid]) {\n      if ($(importIds[uid].symbol).parents('#svgroot').length) {\n        useExisting = true;\n      }\n    }\n\n    const batchCmd = new BatchCommand('Import Image');\n    let symbol;\n    if (useExisting) {\n      ({symbol} = importIds[uid]);\n      ts = importIds[uid].xform;\n    } else {\n      // convert string into XML document\n      const newDoc = text2xml(xmlString);\n\n      this.prepareSvg(newDoc);\n\n      // import new svg document into our document\n      let svg;\n      // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()\n      if (svgdoc.adoptNode) {\n        svg = svgdoc.adoptNode(newDoc.documentElement);\n      } else {\n        svg = svgdoc.importNode(newDoc.documentElement, true);\n      }\n\n      uniquifyElems(svg);\n\n      const innerw = convertToNum('width', svg.getAttribute('width')),\n        innerh = convertToNum('height', svg.getAttribute('height')),\n        innervb = svg.getAttribute('viewBox'),\n        // if no explicit viewbox, create one out of the width and height\n        vb = innervb ? innervb.split(' ') : [0, 0, innerw, innerh];\n      for (j = 0; j < 4; ++j) {\n        vb[j] = +(vb[j]);\n      }\n\n      // TODO: properly handle preserveAspectRatio\n      const // canvasw = +svgcontent.getAttribute('width'),\n        canvash = +svgcontent.getAttribute('height');\n      // imported content should be 1/3 of the canvas on its largest dimension\n\n      if (innerh > innerw) {\n        ts = 'scale(' + (canvash / 3) / vb[3] + ')';\n      } else {\n        ts = 'scale(' + (canvash / 3) / vb[2] + ')';\n      }\n\n      // Hack to make recalculateDimensions understand how to scale\n      ts = 'translate(0) ' + ts + ' translate(0)';\n\n      symbol = svgdoc.createElementNS(NS.SVG, 'symbol');\n      const defs = findDefs();\n\n      if (isGecko()) {\n        // Move all gradients into root for Firefox, workaround for this bug:\n        // https://bugzilla.mozilla.org/show_bug.cgi?id=353575\n        // TODO: Make this properly undo-able.\n        $(svg).find('linearGradient, radialGradient, pattern').appendTo(defs);\n      }\n\n      while (svg.firstChild) {\n        const first = svg.firstChild;\n        symbol.append(first);\n      }\n      const attrs = svg.attributes;\n      for (let i = 0; i < attrs.length; i++) {\n        const attr = attrs[i];\n        symbol.setAttribute(attr.nodeName, attr.value);\n      }\n      symbol.id = getNextId();\n\n      // Store data\n      importIds[uid] = {\n        symbol,\n        xform: ts\n      };\n\n      findDefs().append(symbol);\n      batchCmd.addSubCommand(new InsertElementCommand(symbol));\n    }\n\n    useEl = svgdoc.createElementNS(NS.SVG, 'use');\n    useEl.id = getNextId();\n    setHref(useEl, '#' + symbol.id);\n\n    (currentGroup || getCurrentDrawing().getCurrentLayer()).append(useEl);\n    batchCmd.addSubCommand(new InsertElementCommand(useEl));\n    clearSelection();\n\n    useEl.setAttribute('transform', ts);\n    recalculateDimensions(useEl);\n    $(useEl).data('symbol', symbol).data('ref', symbol);\n    addToSelection([useEl]);\n\n    // TODO: Find way to add this in a recalculateDimensions-parsable way\n    // if (vb[0] !== 0 || vb[1] !== 0) {\n    //   ts = 'translate(' + (-vb[0]) + ',' + (-vb[1]) + ') ' + ts;\n    // }\n    addCommandToHistory(batchCmd);\n    call('changed', [svgcontent]);\n  } catch (e) {\n    console.log(e);\n    return null;\n  }\n\n  // we want to return the element so we can automatically select it\n  return useEl;\n};\n\n// Could deprecate, but besides external uses, their usage makes clear that\n//  canvas is a dependency for all of these\n[\n  'identifyLayers', 'createLayer', 'cloneLayer', 'deleteCurrentLayer',\n  'setCurrentLayer', 'renameCurrentLayer', 'setCurrentLayerPosition',\n  'setLayerVisibility', 'moveSelectedToLayer', 'mergeLayer', 'mergeAllLayers',\n  'leaveContext', 'setContext'\n].forEach((prop) => {\n  canvas[prop] = draw[prop];\n});\ndraw.init(\n  /**\n  * @implements {module:draw.DrawCanvasInit}\n  */\n  {\n    pathActions,\n    getCurrentGroup () {\n      return currentGroup;\n    },\n    setCurrentGroup (cg) {\n      currentGroup = cg;\n    },\n    getSelectedElements,\n    getSVGContent,\n    undoMgr,\n    elData,\n    getCurrentDrawing,\n    clearSelection,\n    call,\n    addCommandToHistory,\n    /**\n     * @fires module:svgcanvas.SvgCanvas#event:changed\n     * @returns {undefined}\n     */\n    changeSVGContent () {\n      call('changed', [svgcontent]);\n    }\n  }\n);\n\n/**\n* Group: Document functions\n*/\n\n/**\n* Clears the current document. This is not an undoable action.\n* @function module:svgcanvas.SvgCanvas#clear\n* @fires module:svgcanvas.SvgCanvas#event:cleared\n* @returns {undefined}\n*/\nthis.clear = function () {\n  pathActions.clear();\n\n  clearSelection();\n\n  // clear the svgcontent node\n  canvas.clearSvgContentElement();\n\n  // create new document\n  canvas.current_drawing_ = new draw.Drawing(svgcontent);\n\n  // create empty first layer\n  canvas.createLayer('Layer 1');\n\n  // clear the undo stack\n  canvas.undoMgr.resetUndoStack();\n\n  // reset the selector manager\n  selectorManager.initGroup();\n\n  // reset the rubber band box\n  rubberBox = selectorManager.getRubberBandBox();\n\n  call('cleared');\n};\n\n// Alias function\nthis.linkControlPoints = pathActions.linkControlPoints;\n\n/**\n* @function module:svgcanvas.SvgCanvas#getContentElem\n* @returns {Element} The content DOM element\n*/\nthis.getContentElem = function () { return svgcontent; };\n\n/**\n* @function module:svgcanvas.SvgCanvas#getRootElem\n* @returns {SVGSVGElement} The root DOM element\n*/\nthis.getRootElem = function () { return svgroot; };\n\n/**\n* @typedef {PlainObject} DimensionsAndZoom\n* @property {Float} w Width\n* @property {Float} h Height\n* @property {Float} zoom Zoom\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getResolution\n* @returns {DimensionsAndZoom} The current dimensions and zoom level in an object\n*/\nconst getResolution = this.getResolution = function () {\n//    const vb = svgcontent.getAttribute('viewBox').split(' ');\n//    return {w:vb[2], h:vb[3], zoom: currentZoom};\n\n  const w = svgcontent.getAttribute('width') / currentZoom;\n  const h = svgcontent.getAttribute('height') / currentZoom;\n\n  return {\n    w,\n    h,\n    zoom: currentZoom\n  };\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getSnapToGrid\n* @returns {boolean} The current snap to grid setting\n*/\nthis.getSnapToGrid = function () { return curConfig.gridSnapping; };\n\n/**\n* @function module:svgcanvas.SvgCanvas#getVersion\n* @returns {string} A string which describes the revision number of SvgCanvas.\n*/\nthis.getVersion = function () {\n  return 'svgcanvas.js ($Rev$)';\n};\n\n/**\n* Update interface strings with given values\n* @function module:svgcanvas.SvgCanvas#setUiStrings\n* @param {module:path.uiStrings} strs - Object with strings (see the [locales API]{@link module:locale.LocaleStrings} and the [tutorial]{@tutorial LocaleDocs})\n* @returns {undefined}\n*/\nthis.setUiStrings = function (strs) {\n  Object.assign(uiStrings, strs.notification);\n  pathModule.setUiStrings(strs);\n};\n\n/**\n* Update configuration options with given values\n* @function module:svgcanvas.SvgCanvas#setConfig\n* @param {module:SVGEditor.Config} opts - Object with options\n* @returns {undefined}\n*/\nthis.setConfig = function (opts) {\n  Object.assign(curConfig, opts);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getTitle\n* @param {Element} elem\n* @returns {string|undefined} the current group/SVG's title contents\n*/\nthis.getTitle = function (elem) {\n  elem = elem || selectedElements[0];\n  if (!elem) { return; }\n  elem = $(elem).data('gsvg') || $(elem).data('symbol') || elem;\n  const childs = elem.childNodes;\n  for (let i = 0; i < childs.length; i++) {\n    if (childs[i].nodeName === 'title') {\n      return childs[i].textContent;\n    }\n  }\n  return '';\n};\n\n/**\n* Sets the group/SVG's title content\n* @function module:svgcanvas.SvgCanvas#setGroupTitle\n* @param {string} val\n* @todo Combine this with `setDocumentTitle`\n* @returns {undefined}\n*/\nthis.setGroupTitle = function (val) {\n  let elem = selectedElements[0];\n  elem = $(elem).data('gsvg') || elem;\n\n  const ts = $(elem).children('title');\n\n  const batchCmd = new BatchCommand('Set Label');\n\n  let title;\n  if (!val.length) {\n    // Remove title element\n    const tsNextSibling = ts.nextSibling;\n    batchCmd.addSubCommand(new RemoveElementCommand(ts[0], tsNextSibling, elem));\n    ts.remove();\n  } else if (ts.length) {\n    // Change title contents\n    title = ts[0];\n    batchCmd.addSubCommand(new ChangeElementCommand(title, {'#text': title.textContent}));\n    title.textContent = val;\n  } else {\n    // Add title element\n    title = svgdoc.createElementNS(NS.SVG, 'title');\n    title.textContent = val;\n    $(elem).prepend(title);\n    batchCmd.addSubCommand(new InsertElementCommand(title));\n  }\n\n  addCommandToHistory(batchCmd);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getDocumentTitle\n* @returns {string|undefined} The current document title or an empty string if not found\n*/\nconst getDocumentTitle = this.getDocumentTitle = function () {\n  return canvas.getTitle(svgcontent);\n};\n\n/**\n* Adds/updates a title element for the document with the given name.\n* This is an undoable action\n* @function module:svgcanvas.SvgCanvas#setDocumentTitle\n* @param {string} newTitle - String with the new title\n* @returns {undefined}\n*/\nthis.setDocumentTitle = function (newTitle) {\n  const childs = svgcontent.childNodes;\n  let docTitle = false, oldTitle = '';\n\n  const batchCmd = new BatchCommand('Change Image Title');\n\n  for (let i = 0; i < childs.length; i++) {\n    if (childs[i].nodeName === 'title') {\n      docTitle = childs[i];\n      oldTitle = docTitle.textContent;\n      break;\n    }\n  }\n  if (!docTitle) {\n    docTitle = svgdoc.createElementNS(NS.SVG, 'title');\n    svgcontent.insertBefore(docTitle, svgcontent.firstChild);\n    // svgcontent.firstChild.before(docTitle); // Ok to replace above with this?\n  }\n\n  if (newTitle.length) {\n    docTitle.textContent = newTitle;\n  } else {\n    // No title given, so element is not necessary\n    docTitle.remove();\n  }\n  batchCmd.addSubCommand(new ChangeElementCommand(docTitle, {'#text': oldTitle}));\n  addCommandToHistory(batchCmd);\n};\n\n/**\n* Returns the editor's namespace URL, optionally adding it to the root element\n* @function module:svgcanvas.SvgCanvas#getEditorNS\n* @param {boolean} [add] - Indicates whether or not to add the namespace value\n* @returns {string} The editor's namespace URL\n*/\nthis.getEditorNS = function (add) {\n  if (add) {\n    svgcontent.setAttribute('xmlns:se', NS.SE);\n  }\n  return NS.SE;\n};\n\n/**\n* Changes the document's dimensions to the given size\n* @function module:svgcanvas.SvgCanvas#setResolution\n* @param {Float|\"fit\"} x - Number with the width of the new dimensions in user units.\n* Can also be the string \"fit\" to indicate \"fit to content\"\n* @param {Float} y - Number with the height of the new dimensions in user units.\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {boolean} Indicates if resolution change was successful.\n* It will fail on \"fit to content\" option with no content to fit to.\n*/\nthis.setResolution = function (x, y) {\n  const res = getResolution();\n  const {w, h} = res;\n  let batchCmd;\n\n  if (x === 'fit') {\n    // Get bounding box\n    const bbox = getStrokedBBoxDefaultVisible();\n\n    if (bbox) {\n      batchCmd = new BatchCommand('Fit Canvas to Content');\n      const visEls = getVisibleElements();\n      addToSelection(visEls);\n      const dx = [], dy = [];\n      $.each(visEls, function (i, item) {\n        dx.push(bbox.x * -1);\n        dy.push(bbox.y * -1);\n      });\n\n      const cmd = canvas.moveSelectedElements(dx, dy, true);\n      batchCmd.addSubCommand(cmd);\n      clearSelection();\n\n      x = Math.round(bbox.width);\n      y = Math.round(bbox.height);\n    } else {\n      return false;\n    }\n  }\n  if (x !== w || y !== h) {\n    if (!batchCmd) {\n      batchCmd = new BatchCommand('Change Image Dimensions');\n    }\n\n    x = convertToNum('width', x);\n    y = convertToNum('height', y);\n\n    svgcontent.setAttribute('width', x);\n    svgcontent.setAttribute('height', y);\n\n    this.contentW = x;\n    this.contentH = y;\n    batchCmd.addSubCommand(new ChangeElementCommand(svgcontent, {width: w, height: h}));\n\n    svgcontent.setAttribute('viewBox', [0, 0, x / currentZoom, y / currentZoom].join(' '));\n    batchCmd.addSubCommand(new ChangeElementCommand(svgcontent, {viewBox: ['0 0', w, h].join(' ')}));\n\n    addCommandToHistory(batchCmd);\n    call('changed', [svgcontent]);\n  }\n  return true;\n};\n\n/**\n* @typedef {module:jQueryAttr.Attributes} module:svgcanvas.ElementPositionInCanvas\n* @property {Float} x\n* @property {Float} y\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getOffset\n* @returns {module:svgcanvas.ElementPositionInCanvas} An object with `x`, `y` values indicating the svgcontent element's\n* position in the editor's canvas.\n*/\nthis.getOffset = function () {\n  return $(svgcontent).attr(['x', 'y']);\n};\n\n/**\n * @typedef {PlainObject} module:svgcanvas.ZoomAndBBox\n * @property {Float} zoom\n * @property {module:utilities.BBoxObject} bbox\n */\n/**\n* Sets the zoom level on the canvas-side based on the given value\n* @function module:svgcanvas.SvgCanvas#setBBoxZoom\n* @param {\"selection\"|\"canvas\"|\"content\"|\"layer\"|module:SVGEditor.BBoxObjectWithFactor} val - Bounding box object to zoom to or string indicating zoom option. Note: the object value type is defined in `svg-editor.js`\n* @param {Integer} editorW - The editor's workarea box's width\n* @param {Integer} editorH - The editor's workarea box's height\n* @returns {module:svgcanvas.ZoomAndBBox|undefined}\n*/\nthis.setBBoxZoom = function (val, editorW, editorH) {\n  let spacer = 0.85;\n  let bb;\n  const calcZoom = function (bb) {\n    if (!bb) { return false; }\n    const wZoom = Math.round((editorW / bb.width) * 100 * spacer) / 100;\n    const hZoom = Math.round((editorH / bb.height) * 100 * spacer) / 100;\n    const zoom = Math.min(wZoom, hZoom);\n    canvas.setZoom(zoom);\n    return {zoom, bbox: bb};\n  };\n\n  if (typeof val === 'object') {\n    bb = val;\n    if (bb.width === 0 || bb.height === 0) {\n      const newzoom = bb.zoom ? bb.zoom : currentZoom * bb.factor;\n      canvas.setZoom(newzoom);\n      return {zoom: currentZoom, bbox: bb};\n    }\n    return calcZoom(bb);\n  }\n\n  switch (val) {\n  case 'selection':\n    if (!selectedElements[0]) { return; }\n    const selectedElems = $.map(selectedElements, function (n) { if (n) { return n; } });\n    bb = getStrokedBBoxDefaultVisible(selectedElems);\n    break;\n  case 'canvas':\n    const res = getResolution();\n    spacer = 0.95;\n    bb = {width: res.w, height: res.h, x: 0, y: 0};\n    break;\n  case 'content':\n    bb = getStrokedBBoxDefaultVisible();\n    break;\n  case 'layer':\n    bb = getStrokedBBoxDefaultVisible(getVisibleElements(getCurrentDrawing().getCurrentLayer()));\n    break;\n  default:\n    return;\n  }\n  return calcZoom(bb);\n};\n\n/**\n* The zoom level has changed. Supplies the new zoom level as a number (not percentage).\n* @event module:svgcanvas.SvgCanvas#event:ext-zoomChanged\n* @type {Float}\n*/\n/**\n* The bottom panel was updated\n* @event module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate\n* @type {PlainObject}\n* @property {boolean} nofill Indicates fill is disabled\n* @property {boolean} nostroke Indicates stroke is disabled\n*/\n/**\n* The element selection has changed (elements were added/removed from selection)\n* @event module:svgcanvas.SvgCanvas#event:ext-selectedChanged\n* @type {PlainObject}\n* @property {Element[]} elems Array of the newly selected elements\n* @property {Element|null} selectedElement The single selected element\n* @property {boolean} multiselected Indicates whether one or more elements were selected\n*/\n/**\n* Called when part of element is in process of changing, generally on\n* mousemove actions like rotate, move, etc.\n* @event module:svgcanvas.SvgCanvas#event:ext-elementTransition\n* @type {PlainObject}\n* @property {Element[]} elems Array of transitioning elements\n*/\n/**\n* One or more elements were changed\n* @event module:svgcanvas.SvgCanvas#event:ext-elementChanged\n* @type {PlainObject}\n* @property {Element[]} elems Array of the affected elements\n*/\n/**\n* Invoked as soon as the locale is ready\n* @event module:svgcanvas.SvgCanvas#event:ext-langReady\n* @type {PlainObject}\n* @property {string} lang The two-letter language code\n* @property {module:SVGEditor.uiStrings} uiStrings\n* @property {module:SVGEditor~ImportLocale} importLocale\n*/\n/**\n* The language was changed. Two-letter code of the new language.\n* @event module:svgcanvas.SvgCanvas#event:ext-langChanged\n* @type {string}\n*/\n/**\n* Means for an extension to add locale data. The two-letter language code.\n* @event module:svgcanvas.SvgCanvas#event:ext-addLangData\n* @type {PlainObject}\n* @property {string} lang\n* @property {module:SVGEditor~ImportLocale} importLocale\n*/\n/**\n * Called when new image is created\n * @event module:svgcanvas.SvgCanvas#event:ext-onNewDocument\n * @type {undefined}\n */\n/**\n * Called when sidepanel is resized or toggled\n * @event module:svgcanvas.SvgCanvas#event:ext-workareaResized\n * @type {undefined}\n*/\n/**\n * Called upon addition of the extension, or, if svgicons are set,\n * after the icons are ready when extension SVG icons have loaded.\n * @event module:svgcanvas.SvgCanvas#event:ext-callback\n * @type {undefined}\n*/\n\n/**\n* Sets the zoom to the given level\n* @function module:svgcanvas.SvgCanvas#setZoom\n* @param {Float} zoomLevel - Float indicating the zoom level to change to\n* @fires module:svgcanvas.SvgCanvas#event:ext-zoomChanged\n* @returns {undefined}\n*/\nthis.setZoom = function (zoomLevel) {\n  const res = getResolution();\n  svgcontent.setAttribute('viewBox', '0 0 ' + res.w / zoomLevel + ' ' + res.h / zoomLevel);\n  currentZoom = zoomLevel;\n  $.each(selectedElements, function (i, elem) {\n    if (!elem) { return; }\n    selectorManager.requestSelector(elem).resize();\n  });\n  pathActions.zoomChange();\n  runExtensions('zoomChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} */ zoomLevel);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getMode\n* @returns {string} The current editor mode string\n*/\nthis.getMode = function () {\n  return currentMode;\n};\n\n/**\n* Sets the editor's mode to the given string\n* @function module:svgcanvas.SvgCanvas#setMode\n* @param {string} name - String with the new mode to change to\n* @returns {undefined}\n*/\nthis.setMode = function (name) {\n  pathActions.clear(true);\n  textActions.clear();\n  curProperties = (selectedElements[0] && selectedElements[0].nodeName === 'text') ? curText : curShape;\n  currentMode = name;\n};\n\n/**\n* Group: Element Styling\n*/\n\n/**\n* @typedef {PlainObject} module:svgcanvas.PaintOptions\n* @property {\"solidColor\"} type\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getColor\n* @param {string} type\n* @returns {string|module:svgcanvas.PaintOptions|Float|module:jGraduate~Paint} The current fill/stroke option\n*/\nthis.getColor = function (type) {\n  return curProperties[type];\n};\n\n/**\n* Change the current stroke/fill color/gradient value\n* @function module:svgcanvas.SvgCanvas#setColor\n* @param {string} type - String indicating fill or stroke\n* @param {string} val - The value to set the stroke attribute to\n* @param {boolean} preventUndo - Boolean indicating whether or not this should be an undoable option\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setColor = function (type, val, preventUndo) {\n  curShape[type] = val;\n  curProperties[type + '_paint'] = {type: 'solidColor'};\n  const elems = [];\n  function addNonG (e) {\n    if (e.nodeName !== 'g') {\n      elems.push(e);\n    }\n  }\n  let i = selectedElements.length;\n  while (i--) {\n    const elem = selectedElements[i];\n    if (elem) {\n      if (elem.tagName === 'g') {\n        walkTree(elem, addNonG);\n      } else {\n        if (type === 'fill') {\n          if (elem.tagName !== 'polyline' && elem.tagName !== 'line') {\n            elems.push(elem);\n          }\n        } else {\n          elems.push(elem);\n        }\n      }\n    }\n  }\n  if (elems.length > 0) {\n    if (!preventUndo) {\n      changeSelectedAttribute(type, val, elems);\n      call('changed', elems);\n    } else {\n      changeSelectedAttributeNoUndo(type, val, elems);\n    }\n  }\n};\n\n/**\n* Apply the current gradient to selected element's fill or stroke\n* @function module:svgcanvas.SvgCanvas#setGradient\n* @param {\"fill\"|\"stroke\"} type - String indicating \"fill\" or \"stroke\" to apply to an element\n* @returns {undefined}\n*/\nconst setGradient = this.setGradient = function (type) {\n  if (!curProperties[type + '_paint'] || curProperties[type + '_paint'].type === 'solidColor') { return; }\n  let grad = canvas[type + 'Grad'];\n  // find out if there is a duplicate gradient already in the defs\n  const duplicateGrad = findDuplicateGradient(grad);\n  const defs = findDefs();\n  // no duplicate found, so import gradient into defs\n  if (!duplicateGrad) {\n    // const origGrad = grad;\n    grad = defs.appendChild(svgdoc.importNode(grad, true));\n    // get next id and set it on the grad\n    grad.id = getNextId();\n  } else { // use existing gradient\n    grad = duplicateGrad;\n  }\n  canvas.setColor(type, 'url(#' + grad.id + ')');\n};\n\n/**\n* Check if exact gradient already exists\n* @function module:svgcanvas~findDuplicateGradient\n* @param {SVGGradientElement} grad - The gradient DOM element to compare to others\n* @returns {SVGGradientElement} The existing gradient if found, `null` if not\n*/\nconst findDuplicateGradient = function (grad) {\n  const defs = findDefs();\n  const existingGrads = $(defs).find('linearGradient, radialGradient');\n  let i = existingGrads.length;\n  const radAttrs = ['r', 'cx', 'cy', 'fx', 'fy'];\n  while (i--) {\n    const og = existingGrads[i];\n    if (grad.tagName === 'linearGradient') {\n      if (grad.getAttribute('x1') !== og.getAttribute('x1') ||\n        grad.getAttribute('y1') !== og.getAttribute('y1') ||\n        grad.getAttribute('x2') !== og.getAttribute('x2') ||\n        grad.getAttribute('y2') !== og.getAttribute('y2')\n      ) {\n        continue;\n      }\n    } else {\n      const gradAttrs = $(grad).attr(radAttrs);\n      const ogAttrs = $(og).attr(radAttrs);\n\n      let diff = false;\n      $.each(radAttrs, function (i, attr) {\n        if (gradAttrs[attr] !== ogAttrs[attr]) { diff = true; }\n      });\n\n      if (diff) { continue; }\n    }\n\n    // else could be a duplicate, iterate through stops\n    const stops = grad.getElementsByTagNameNS(NS.SVG, 'stop');\n    const ostops = og.getElementsByTagNameNS(NS.SVG, 'stop');\n\n    if (stops.length !== ostops.length) {\n      continue;\n    }\n\n    let j = stops.length;\n    while (j--) {\n      const stop = stops[j];\n      const ostop = ostops[j];\n\n      if (stop.getAttribute('offset') !== ostop.getAttribute('offset') ||\n        stop.getAttribute('stop-opacity') !== ostop.getAttribute('stop-opacity') ||\n        stop.getAttribute('stop-color') !== ostop.getAttribute('stop-color')) {\n        break;\n      }\n    }\n\n    if (j === -1) {\n      return og;\n    }\n  } // for each gradient in defs\n\n  return null;\n};\n\n/**\n* Set a color/gradient to a fill/stroke\n* @function module:svgcanvas.SvgCanvas#setPaint\n* @param {\"fill\"|\"stroke\"} type - String with \"fill\" or \"stroke\"\n* @param {module:jGraduate.jGraduatePaintOptions} paint - The jGraduate paint object to apply\n* @returns {undefined}\n*/\nthis.setPaint = function (type, paint) {\n  // make a copy\n  const p = new $.jGraduate.Paint(paint);\n  this.setPaintOpacity(type, p.alpha / 100, true);\n\n  // now set the current paint object\n  curProperties[type + '_paint'] = p;\n  switch (p.type) {\n  case 'solidColor':\n    this.setColor(type, p.solidColor !== 'none' ? '#' + p.solidColor : 'none');\n    break;\n  case 'linearGradient':\n  case 'radialGradient':\n    canvas[type + 'Grad'] = p[p.type];\n    setGradient(type);\n    break;\n  }\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#setStrokePaint\n* @param {module:jGraduate~Paint} paint\n* @returns {undefined}\n*/\nthis.setStrokePaint = function (paint) {\n  this.setPaint('stroke', paint);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#setFillPaint\n* @param {module:jGraduate~Paint} paint\n* @returns {undefined}\n*/\nthis.setFillPaint = function (paint) {\n  this.setPaint('fill', paint);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getStrokeWidth\n* @returns {Float|string} The current stroke-width value\n*/\nthis.getStrokeWidth = function () {\n  return curProperties.stroke_width;\n};\n\n/**\n* Sets the stroke width for the current selected elements.\n* When attempting to set a line's width to 0, this changes it to 1 instead\n* @function module:svgcanvas.SvgCanvas#setStrokeWidth\n* @param {Float} val - A Float indicating the new stroke width value\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setStrokeWidth = function (val) {\n  if (val === 0 && ['line', 'path'].includes(currentMode)) {\n    canvas.setStrokeWidth(1);\n    return;\n  }\n  curProperties.stroke_width = val;\n\n  const elems = [];\n  function addNonG (e) {\n    if (e.nodeName !== 'g') {\n      elems.push(e);\n    }\n  }\n  let i = selectedElements.length;\n  while (i--) {\n    const elem = selectedElements[i];\n    if (elem) {\n      if (elem.tagName === 'g') {\n        walkTree(elem, addNonG);\n      } else {\n        elems.push(elem);\n      }\n    }\n  }\n  if (elems.length > 0) {\n    changeSelectedAttribute('stroke-width', val, elems);\n    call('changed', selectedElements);\n  }\n};\n\n/**\n* Set the given stroke-related attribute the given value for selected elements\n* @function module:svgcanvas.SvgCanvas#setStrokeAttr\n* @param {string} attr - String with the attribute name\n* @param {string|Float} val - String or number with the attribute value\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setStrokeAttr = function (attr, val) {\n  curShape[attr.replace('-', '_')] = val;\n  const elems = [];\n\n  let i = selectedElements.length;\n  while (i--) {\n    const elem = selectedElements[i];\n    if (elem) {\n      if (elem.tagName === 'g') {\n        walkTree(elem, function (e) { if (e.nodeName !== 'g') { elems.push(e); } });\n      } else {\n        elems.push(elem);\n      }\n    }\n  }\n  if (elems.length > 0) {\n    changeSelectedAttribute(attr, val, elems);\n    call('changed', selectedElements);\n  }\n};\n\n/**\n* @typedef {PlainObject} module:svgcanvas.StyleOptions\n* @property {string} fill\n* @property {Float} fill_opacity\n* @property {string} stroke\n* @property {Float} stroke_width\n* @property {string} stroke_dasharray\n* @property {string} stroke_linejoin\n* @property {string} stroke_linecap\n* @property {Float} stroke_opacity\n* @property {Float} opacity\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getStyle\n* @returns {module:svgcanvas.StyleOptions} current style options\n*/\nthis.getStyle = function () {\n  return curShape;\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getOpacity\n* @returns {Float} the current opacity\n*/\nthis.getOpacity = getOpacity;\n\n/**\n* Sets the given opacity to the current selected elements\n* @function module:svgcanvas.SvgCanvas#setOpacity\n* @param {string} val\n* @returns {undefined}\n*/\nthis.setOpacity = function (val) {\n  curShape.opacity = val;\n  changeSelectedAttribute('opacity', val);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getFillOpacity\n* @returns {Float} the current fill opacity\n*/\nthis.getFillOpacity = function () {\n  return curShape.fill_opacity;\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getStrokeOpacity\n* @returns {string} the current stroke opacity\n*/\nthis.getStrokeOpacity = function () {\n  return curShape.stroke_opacity;\n};\n\n/**\n* Sets the current fill/stroke opacity\n* @function module:svgcanvas.SvgCanvas#setPaintOpacity\n* @param {string} type - String with \"fill\" or \"stroke\"\n* @param {Float} val - Float with the new opacity value\n* @param {boolean} preventUndo - Indicates whether or not this should be an undoable action\n* @returns {undefined}\n*/\nthis.setPaintOpacity = function (type, val, preventUndo) {\n  curShape[type + '_opacity'] = val;\n  if (!preventUndo) {\n    changeSelectedAttribute(type + '-opacity', val);\n  } else {\n    changeSelectedAttributeNoUndo(type + '-opacity', val);\n  }\n};\n\n/**\n* Gets the current fill/stroke opacity\n* @function module:svgcanvas.SvgCanvas#getPaintOpacity\n* @param {\"fill\"|\"stroke\"} type - String with \"fill\" or \"stroke\"\n* @returns {Float} Fill/stroke opacity\n*/\nthis.getPaintOpacity = function (type) {\n  return type === 'fill' ? this.getFillOpacity() : this.getStrokeOpacity();\n};\n\n/**\n* Gets the `stdDeviation` blur value of the given element\n* @function module:svgcanvas.SvgCanvas#getBlur\n* @param {Element} elem - The element to check the blur value for\n* @returns {string} stdDeviation blur attribute value\n*/\nthis.getBlur = function (elem) {\n  let val = 0;\n  // const elem = selectedElements[0];\n\n  if (elem) {\n    const filterUrl = elem.getAttribute('filter');\n    if (filterUrl) {\n      const blur = getElem(elem.id + '_blur');\n      if (blur) {\n        val = blur.firstChild.getAttribute('stdDeviation');\n      }\n    }\n  }\n  return val;\n};\n\n(function () {\nlet curCommand = null;\nlet filter = null;\nlet filterHidden = false;\n\n/**\n* Sets the `stdDeviation` blur value on the selected element without being undoable\n* @function module:svgcanvas.SvgCanvas#setBlurNoUndo\n* @param {Float} val - The new `stdDeviation` value\n* @returns {undefined}\n*/\ncanvas.setBlurNoUndo = function (val) {\n  if (!filter) {\n    canvas.setBlur(val);\n    return;\n  }\n  if (val === 0) {\n    // Don't change the StdDev, as that will hide the element.\n    // Instead, just remove the value for \"filter\"\n    changeSelectedAttributeNoUndo('filter', '');\n    filterHidden = true;\n  } else {\n    const elem = selectedElements[0];\n    if (filterHidden) {\n      changeSelectedAttributeNoUndo('filter', 'url(#' + elem.id + '_blur)');\n    }\n    if (isWebkit()) {\n      console.log('e', elem);\n      elem.removeAttribute('filter');\n      elem.setAttribute('filter', 'url(#' + elem.id + '_blur)');\n    }\n    changeSelectedAttributeNoUndo('stdDeviation', val, [filter.firstChild]);\n    canvas.setBlurOffsets(filter, val);\n  }\n};\n\nfunction finishChange () {\n  const bCmd = canvas.undoMgr.finishUndoableChange();\n  curCommand.addSubCommand(bCmd);\n  addCommandToHistory(curCommand);\n  curCommand = null;\n  filter = null;\n}\n\n/**\n* Sets the `x`, `y`, `width`, `height` values of the filter element in order to\n* make the blur not be clipped. Removes them if not neeeded\n* @function module:svgcanvas.SvgCanvas#setBlurOffsets\n* @param {Element} filter - The filter DOM element to update\n* @param {Float} stdDev - The standard deviation value on which to base the offset size\n* @returns {undefined}\n*/\ncanvas.setBlurOffsets = function (filter, stdDev) {\n  if (stdDev > 3) {\n    // TODO: Create algorithm here where size is based on expected blur\n    assignAttributes(filter, {\n      x: '-50%',\n      y: '-50%',\n      width: '200%',\n      height: '200%'\n    }, 100);\n  } else {\n    // Removing these attributes hides text in Chrome (see Issue 579)\n    if (!isWebkit()) {\n      filter.removeAttribute('x');\n      filter.removeAttribute('y');\n      filter.removeAttribute('width');\n      filter.removeAttribute('height');\n    }\n  }\n};\n\n/**\n* Adds/updates the blur filter to the selected element\n* @function module:svgcanvas.SvgCanvas#setBlur\n* @param {Float} val - Float with the new `stdDeviation` blur value\n* @param {boolean} complete - Whether or not the action should be completed (to add to the undo manager)\n* @returns {undefined}\n*/\ncanvas.setBlur = function (val, complete) {\n  if (curCommand) {\n    finishChange();\n    return;\n  }\n\n  // Looks for associated blur, creates one if not found\n  const elem = selectedElements[0];\n  const elemId = elem.id;\n  filter = getElem(elemId + '_blur');\n\n  val -= 0;\n\n  const batchCmd = new BatchCommand();\n\n  // Blur found!\n  if (filter) {\n    if (val === 0) {\n      filter = null;\n    }\n  } else {\n    // Not found, so create\n    const newblur = addSVGElementFromJson({element: 'feGaussianBlur',\n      attr: {\n        in: 'SourceGraphic',\n        stdDeviation: val\n      }\n    });\n\n    filter = addSVGElementFromJson({element: 'filter',\n      attr: {\n        id: elemId + '_blur'\n      }\n    });\n\n    filter.append(newblur);\n    findDefs().append(filter);\n\n    batchCmd.addSubCommand(new InsertElementCommand(filter));\n  }\n\n  const changes = {filter: elem.getAttribute('filter')};\n\n  if (val === 0) {\n    elem.removeAttribute('filter');\n    batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));\n    return;\n  }\n\n  changeSelectedAttribute('filter', 'url(#' + elemId + '_blur)');\n  batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));\n  canvas.setBlurOffsets(filter, val);\n\n  curCommand = batchCmd;\n  canvas.undoMgr.beginUndoableChange('stdDeviation', [filter ? filter.firstChild : null]);\n  if (complete) {\n    canvas.setBlurNoUndo(val);\n    finishChange();\n  }\n};\n}());\n\n/**\n* Check whether selected element is bold or not\n* @function module:svgcanvas.SvgCanvas#getBold\n* @returns {boolean} Indicates whether or not element is bold\n*/\nthis.getBold = function () {\n  // should only have one element selected\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'text' &&\n    selectedElements[1] == null) {\n    return (selected.getAttribute('font-weight') === 'bold');\n  }\n  return false;\n};\n\n/**\n* Make the selected element bold or normal\n* @function module:svgcanvas.SvgCanvas#setBold\n* @param {boolean} b - Indicates bold (`true`) or normal (`false`)\n* @returns {undefined}\n*/\nthis.setBold = function (b) {\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'text' &&\n    selectedElements[1] == null) {\n    changeSelectedAttribute('font-weight', b ? 'bold' : 'normal');\n  }\n  if (!selectedElements[0].textContent) {\n    textActions.setCursor();\n  }\n};\n\n/**\n* Check whether selected element is italic or not\n* @function module:svgcanvas.SvgCanvas#getItalic\n* @returns {boolean} Indicates whether or not element is italic\n*/\nthis.getItalic = function () {\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'text' &&\n    selectedElements[1] == null) {\n    return (selected.getAttribute('font-style') === 'italic');\n  }\n  return false;\n};\n\n/**\n* Make the selected element italic or normal\n* @function module:svgcanvas.SvgCanvas#setItalic\n* @param {boolean} b - Indicates italic (`true`) or normal (`false`)\n* @returns {undefined}\n*/\nthis.setItalic = function (i) {\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'text' &&\n    selectedElements[1] == null) {\n    changeSelectedAttribute('font-style', i ? 'italic' : 'normal');\n  }\n  if (!selectedElements[0].textContent) {\n    textActions.setCursor();\n  }\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getFontFamily\n* @returns {string} The current font family\n*/\nthis.getFontFamily = function () {\n  return curText.font_family;\n};\n\n/**\n* Set the new font family\n* @function module:svgcanvas.SvgCanvas#setFontFamily\n* @param {string} val - String with the new font family\n* @returns {undefined}\n*/\nthis.setFontFamily = function (val) {\n  curText.font_family = val;\n  changeSelectedAttribute('font-family', val);\n  if (selectedElements[0] && !selectedElements[0].textContent) {\n    textActions.setCursor();\n  }\n};\n\n/**\n* Set the new font color\n* @function module:svgcanvas.SvgCanvas#setFontColor\n* @param {string} val - String with the new font color\n* @returns {undefined}\n*/\nthis.setFontColor = function (val) {\n  curText.fill = val;\n  changeSelectedAttribute('fill', val);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getFontColor\n* @returns {string} The current font color\n*/\nthis.getFontColor = function () {\n  return curText.fill;\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getFontSize\n* @returns {Float} The current font size\n*/\nthis.getFontSize = function () {\n  return curText.font_size;\n};\n\n/**\n* Applies the given font size to the selected element\n* @function module:svgcanvas.SvgCanvas#setFontSize\n* @param {Float} val - Float with the new font size\n* @returns {undefined}\n*/\nthis.setFontSize = function (val) {\n  curText.font_size = val;\n  changeSelectedAttribute('font-size', val);\n  if (!selectedElements[0].textContent) {\n    textActions.setCursor();\n  }\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getText\n* @returns {string} The current text (`textContent`) of the selected element\n*/\nthis.getText = function () {\n  const selected = selectedElements[0];\n  if (selected == null) { return ''; }\n  return selected.textContent;\n};\n\n/**\n* Updates the text element with the given string\n* @function module:svgcanvas.SvgCanvas#setTextContent\n* @param {string} val - String with the new text\n* @returns {undefined}\n*/\nthis.setTextContent = function (val) {\n  changeSelectedAttribute('#text', val);\n  textActions.init(val);\n  textActions.setCursor();\n};\n\n/**\n* Sets the new image URL for the selected image element. Updates its size if\n* a new URL is given\n* @function module:svgcanvas.SvgCanvas#setImageURL\n* @param {string} val - String with the image URL/path\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setImageURL = function (val) {\n  const elem = selectedElements[0];\n  if (!elem) { return; }\n\n  const attrs = $(elem).attr(['width', 'height']);\n  const setsize = (!attrs.width || !attrs.height);\n\n  const curHref = getHref(elem);\n\n  // Do nothing if no URL change or size change\n  if (curHref === val && !setsize) {\n    return;\n  }\n\n  const batchCmd = new BatchCommand('Change Image URL');\n\n  setHref(elem, val);\n  batchCmd.addSubCommand(new ChangeElementCommand(elem, {\n    '#href': curHref\n  }));\n\n  $(new Image()).load(function () {\n    const changes = $(elem).attr(['width', 'height']);\n\n    $(elem).attr({\n      width: this.width,\n      height: this.height\n    });\n\n    selectorManager.requestSelector(elem).resize();\n\n    batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));\n    addCommandToHistory(batchCmd);\n    call('changed', [elem]);\n  }).attr('src', val);\n};\n\n/**\n* Sets the new link URL for the selected anchor element.\n* @function module:svgcanvas.SvgCanvas#setLinkURL\n* @param {string} val - String with the link URL/path\n* @returns {undefined}\n*/\nthis.setLinkURL = function (val) {\n  let elem = selectedElements[0];\n  if (!elem) { return; }\n  if (elem.tagName !== 'a') {\n    // See if parent is an anchor\n    const parentsA = $(elem).parents('a');\n    if (parentsA.length) {\n      elem = parentsA[0];\n    } else {\n      return;\n    }\n  }\n\n  const curHref = getHref(elem);\n\n  if (curHref === val) { return; }\n\n  const batchCmd = new BatchCommand('Change Link URL');\n\n  setHref(elem, val);\n  batchCmd.addSubCommand(new ChangeElementCommand(elem, {\n    '#href': curHref\n  }));\n\n  addCommandToHistory(batchCmd);\n};\n\n/**\n* Sets the `rx` and `ry` values to the selected `rect` element to change its corner radius\n* @function module:svgcanvas.SvgCanvas#setRectRadius\n* @param {string|Float} val - The new radius\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setRectRadius = function (val) {\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'rect') {\n    const r = selected.getAttribute('rx');\n    if (r !== String(val)) {\n      selected.setAttribute('rx', val);\n      selected.setAttribute('ry', val);\n      addCommandToHistory(new ChangeElementCommand(selected, {rx: r, ry: r}, 'Radius'));\n      call('changed', [selected]);\n    }\n  }\n};\n\n/**\n* Wraps the selected element(s) in an anchor element or converts group to one\n* @function module:svgcanvas.SvgCanvas#makeHyperlink\n* @param {string} url\n* @returns {undefined}\n*/\nthis.makeHyperlink = function (url) {\n  canvas.groupSelectedElements('a', url);\n\n  // TODO: If element is a single \"g\", convert to \"a\"\n  //  if (selectedElements.length > 1 && selectedElements[1]) {\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#removeHyperlink\n* @returns {undefined}\n*/\nthis.removeHyperlink = function () {\n  canvas.ungroupSelectedElement();\n};\n\n/**\n* Group: Element manipulation\n*/\n\n/**\n* Sets the new segment type to the selected segment(s).\n* @function module:svgcanvas.SvgCanvas#setSegType\n* @param {Integer} newType - New segment type. See {@link https://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSeg} for list\n* @returns {undefined}\n*/\nthis.setSegType = function (newType) {\n  pathActions.setSegType(newType);\n};\n\n/**\n* Convert selected element to a path, or get the BBox of an element-as-path\n* @function module:svgcanvas.SvgCanvas#convertToPath\n* @todo (codedread): Remove the getBBox argument and split this function into two.\n* @param {Element} elem - The DOM element to be converted\n* @param {boolean} getBBox - Boolean on whether or not to only return the path's BBox\n* @returns {undefined|DOMRect|false|SVGPathElement|null} If the getBBox flag is true, the resulting path's bounding box object.\n* Otherwise the resulting path element is returned.\n*/\nthis.convertToPath = function (elem, getBBox) {\n  if (elem == null) {\n    const elems = selectedElements;\n    $.each(elems, function (i, elem) {\n      if (elem) { canvas.convertToPath(elem); }\n    });\n    return;\n  }\n  if (getBBox) {\n    return getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions);\n  }\n  // TODO: Why is this applying attributes from curShape, then inside utilities.convertToPath it's pulling addition attributes from elem?\n  // TODO: If convertToPath is called with one elem, curShape and elem are probably the same; but calling with multiple is a bug or cool feature.\n  const attrs = {\n    fill: curShape.fill,\n    'fill-opacity': curShape.fill_opacity,\n    stroke: curShape.stroke,\n    'stroke-width': curShape.stroke_width,\n    'stroke-dasharray': curShape.stroke_dasharray,\n    'stroke-linejoin': curShape.stroke_linejoin,\n    'stroke-linecap': curShape.stroke_linecap,\n    'stroke-opacity': curShape.stroke_opacity,\n    opacity: curShape.opacity,\n    visibility: 'hidden'\n  };\n  return convertToPath(elem, attrs, addSVGElementFromJson, pathActions, clearSelection, addToSelection, history, addCommandToHistory);\n};\n\n/**\n* This function makes the changes to the elements. It does not add the change\n* to the history stack.\n* @param {string} attr - Attribute name\n* @param {string|Float} newValue - String or number with the new attribute value\n* @param {Element[]} elems - The DOM elements to apply the change to\n* @returns {undefined}\n*/\nconst changeSelectedAttributeNoUndo = function (attr, newValue, elems) {\n  if (currentMode === 'pathedit') {\n    // Editing node\n    pathActions.moveNode(attr, newValue);\n  }\n  elems = elems || selectedElements;\n  let i = elems.length;\n  const noXYElems = ['g', 'polyline', 'path'];\n  const goodGAttrs = ['transform', 'opacity', 'filter'];\n\n  while (i--) {\n    let elem = elems[i];\n    if (elem == null) { continue; }\n\n    // Set x,y vals on elements that don't have them\n    if ((attr === 'x' || attr === 'y') && noXYElems.includes(elem.tagName)) {\n      const bbox = getStrokedBBoxDefaultVisible([elem]);\n      const diffX = attr === 'x' ? newValue - bbox.x : 0;\n      const diffY = attr === 'y' ? newValue - bbox.y : 0;\n      canvas.moveSelectedElements(diffX * currentZoom, diffY * currentZoom, true);\n      continue;\n    }\n\n    // only allow the transform/opacity/filter attribute to change on <g> elements, slightly hacky\n    // TODO: FIXME: This doesn't seem right. Where's the body of this if statement?\n    if (elem.tagName === 'g' && goodGAttrs.includes(attr)) {}\n    let oldval = attr === '#text' ? elem.textContent : elem.getAttribute(attr);\n    if (oldval == null) { oldval = ''; }\n    if (oldval !== String(newValue)) {\n      if (attr === '#text') {\n        // const oldW = utilsGetBBox(elem).width;\n        elem.textContent = newValue;\n\n        // FF bug occurs on on rotated elements\n        if ((/rotate/).test(elem.getAttribute('transform'))) {\n          elem = ffClone(elem);\n        }\n        // Hoped to solve the issue of moving text with text-anchor=\"start\",\n        // but this doesn't actually fix it. Hopefully on the right track, though. -Fyrd\n        // const box = getBBox(elem), left = box.x, top = box.y, {width, height} = box,\n        //   dx = width - oldW, dy = 0;\n        // const angle = getRotationAngle(elem, true);\n        // if (angle) {\n        //   const r = Math.sqrt(dx * dx + dy * dy);\n        //   const theta = Math.atan2(dy, dx) - angle;\n        //   dx = r * Math.cos(theta);\n        //   dy = r * Math.sin(theta);\n        //\n        //   elem.setAttribute('x', elem.getAttribute('x') - dx);\n        //   elem.setAttribute('y', elem.getAttribute('y') - dy);\n        // }\n      } else if (attr === '#href') {\n        setHref(elem, newValue);\n      } else { elem.setAttribute(attr, newValue); }\n\n      // Go into \"select\" mode for text changes\n      // NOTE: Important that this happens AFTER elem.setAttribute() or else attributes like\n      // font-size can get reset to their old value, ultimately by svgEditor.updateContextPanel(),\n      // after calling textActions.toSelectMode() below\n      if (currentMode === 'textedit' && attr !== '#text' && elem.textContent.length) {\n        textActions.toSelectMode(elem);\n      }\n\n      // if (i === 0) {\n      //   selectedBBoxes[0] = utilsGetBBox(elem);\n      // }\n\n      // Use the Firefox ffClone hack for text elements with gradients or\n      // where other text attributes are changed.\n      if (isGecko() && elem.nodeName === 'text' && (/rotate/).test(elem.getAttribute('transform'))) {\n        if (String(newValue).startsWith('url') || (['font-size', 'font-family', 'x', 'y'].includes(attr) && elem.textContent)) {\n          elem = ffClone(elem);\n        }\n      }\n      // Timeout needed for Opera & Firefox\n      // codedread: it is now possible for this function to be called with elements\n      // that are not in the selectedElements array, we need to only request a\n      // selector if the element is in that array\n      if (selectedElements.includes(elem)) {\n        setTimeout(function () {\n          // Due to element replacement, this element may no longer\n          // be part of the DOM\n          if (!elem.parentNode) { return; }\n          selectorManager.requestSelector(elem).resize();\n        }, 0);\n      }\n      // if this element was rotated, and we changed the position of this element\n      // we need to update the rotational transform attribute\n      const angle = getRotationAngle(elem);\n      if (angle !== 0 && attr !== 'transform') {\n        const tlist = getTransformList(elem);\n        let n = tlist.numberOfItems;\n        while (n--) {\n          const xform = tlist.getItem(n);\n          if (xform.type === 4) {\n            // remove old rotate\n            tlist.removeItem(n);\n\n            const box = utilsGetBBox(elem);\n            const center = transformPoint(box.x + box.width / 2, box.y + box.height / 2, transformListToTransform(tlist).matrix);\n            const cx = center.x,\n              cy = center.y;\n            const newrot = svgroot.createSVGTransform();\n            newrot.setRotate(angle, cx, cy);\n            tlist.insertItemBefore(newrot, n);\n            break;\n          }\n        }\n      }\n    } // if oldValue != newValue\n  } // for each elem\n};\n\n/**\n* Change the given/selected element and add the original value to the history stack.\n* If you want to change all `selectedElements`, ignore the `elems` argument.\n* If you want to change only a subset of `selectedElements`, then send the\n* subset to this function in the `elems` argument.\n* @function module:svgcanvas.SvgCanvas#changeSelectedAttribute\n* @param {string} attr - String with the attribute name\n* @param {string|Float} newValue - String or number with the new attribute value\n* @param {Element[]} elems - The DOM elements to apply the change to\n* @returns {undefined}\n*/\nconst changeSelectedAttribute = this.changeSelectedAttribute = function (attr, val, elems) {\n  elems = elems || selectedElements;\n  canvas.undoMgr.beginUndoableChange(attr, elems);\n  // const i = elems.length;\n\n  changeSelectedAttributeNoUndo(attr, val, elems);\n\n  const batchCmd = canvas.undoMgr.finishUndoableChange();\n  if (!batchCmd.isEmpty()) {\n    addCommandToHistory(batchCmd);\n  }\n};\n\n/**\n* Removes all selected elements from the DOM and adds the change to the\n* history stack\n* @function module:svgcanvas.SvgCanvas#deleteSelectedElements\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.deleteSelectedElements = function () {\n  const batchCmd = new BatchCommand('Delete Elements');\n  const len = selectedElements.length;\n  const selectedCopy = []; // selectedElements is being deleted\n\n  for (let i = 0; i < len; ++i) {\n    const selected = selectedElements[i];\n    if (selected == null) { break; }\n\n    let parent = selected.parentNode;\n    let t = selected;\n\n    // this will unselect the element and remove the selectedOutline\n    selectorManager.releaseSelector(t);\n\n    // Remove the path if present.\n    pathModule.removePath_(t.id);\n\n    // Get the parent if it's a single-child anchor\n    if (parent.tagName === 'a' && parent.childNodes.length === 1) {\n      t = parent;\n      parent = parent.parentNode;\n    }\n\n    const {nextSibling} = t;\n    const elem = parent.removeChild(t);\n    selectedCopy.push(selected); // for the copy\n    batchCmd.addSubCommand(new RemoveElementCommand(elem, nextSibling, parent));\n  }\n  selectedElements = [];\n\n  if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); }\n  call('changed', selectedCopy);\n  clearSelection();\n};\n\n/**\n* Removes all selected elements from the DOM and adds the change to the\n* history stack. Remembers removed elements on the clipboard\n* @function module:svgcanvas.SvgCanvas#cutSelectedElements\n* @returns {undefined}\n*/\nthis.cutSelectedElements = function () {\n  canvas.copySelectedElements();\n  canvas.deleteSelectedElements();\n};\n\n/**\n* Remembers the current selected elements on the clipboard\n* @function module:svgcanvas.SvgCanvas#copySelectedElements\n* @returns {undefined}\n*/\nthis.copySelectedElements = function () {\n  localStorage.setItem('svgedit_clipboard', JSON.stringify(\n    selectedElements.map(function (x) { return getJsonFromSvgElement(x); })\n  ));\n\n  $('#cmenu_canvas').enableContextMenuItems('#paste,#paste_in_place');\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#pasteElements\n* @param {\"in_place\"|\"point\"|undefined} type\n* @param {Integer|undefined} x Expected if type is \"point\"\n* @param {Integer|undefined} y Expected if type is \"point\"\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @fires module:svgcanvas.SvgCanvas#event:ext-IDsUpdated\n* @returns {undefined}\n*/\nthis.pasteElements = function (type, x, y) {\n  let clipb = JSON.parse(localStorage.getItem('svgedit_clipboard'));\n  let len = clipb.length;\n  if (!len) { return; }\n\n  const pasted = [];\n  const batchCmd = new BatchCommand('Paste elements');\n  // const drawing = getCurrentDrawing();\n  /**\n  * @typedef {PlainObject.<string, string>} module:svgcanvas.ChangedIDs\n  */\n  /**\n   * @type {module:svgcanvas.ChangedIDs}\n   */\n  const changedIDs = {};\n\n  // Recursively replace IDs and record the changes\n  function checkIDs (elem) {\n    if (elem.attr && elem.attr.id) {\n      changedIDs[elem.attr.id] = getNextId();\n      elem.attr.id = changedIDs[elem.attr.id];\n    }\n    if (elem.children) elem.children.forEach(checkIDs);\n  }\n  clipb.forEach(checkIDs);\n\n  // Give extensions like the connector extension a chance to reflect new IDs and remove invalid elements\n  /**\n  * Triggered when `pasteElements` is called from a paste action (context menu or key)\n  * @event module:svgcanvas.SvgCanvas#event:ext-IDsUpdated\n  * @type {PlainObject}\n  * @property {module:svgcanvas.SVGAsJSON[]} elems\n  * @property {module:svgcanvas.ChangedIDs} changes Maps past ID (on attribute) to current ID\n  */\n  runExtensions(\n    'IDsUpdated',\n    /** @type {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} */\n    {elems: clipb, changes: changedIDs},\n    true\n  ).forEach(function (extChanges) {\n    if (!extChanges || !('remove' in extChanges)) return;\n\n    extChanges.remove.forEach(function (removeID) {\n      clipb = clipb.filter(function (clipBoardItem) {\n        return clipBoardItem.attr.id !== removeID;\n      });\n    });\n  });\n\n  // Move elements to lastClickPoint\n  while (len--) {\n    const elem = clipb[len];\n    if (!elem) { continue; }\n\n    const copy = addSVGElementFromJson(elem);\n    pasted.push(copy);\n    batchCmd.addSubCommand(new InsertElementCommand(copy));\n\n    restoreRefElems(copy);\n  }\n\n  selectOnly(pasted);\n\n  if (type !== 'in_place') {\n    let ctrX, ctrY;\n\n    if (!type) {\n      ctrX = lastClickPoint.x;\n      ctrY = lastClickPoint.y;\n    } else if (type === 'point') {\n      ctrX = x;\n      ctrY = y;\n    }\n\n    const bbox = getStrokedBBoxDefaultVisible(pasted);\n    const cx = ctrX - (bbox.x + bbox.width / 2),\n      cy = ctrY - (bbox.y + bbox.height / 2),\n      dx = [],\n      dy = [];\n\n    $.each(pasted, function (i, item) {\n      dx.push(cx);\n      dy.push(cy);\n    });\n\n    const cmd = canvas.moveSelectedElements(dx, dy, false);\n    if (cmd) batchCmd.addSubCommand(cmd);\n  }\n\n  addCommandToHistory(batchCmd);\n  call('changed', pasted);\n};\n\n/**\n* Wraps all the selected elements in a group (`g`) element\n* @function module:svgcanvas.SvgCanvas#groupSelectedElements\n* @param {\"a\"|\"g\"} [type=\"g\"] - type of element to group into, defaults to `<g>`\n* @param {string} [urlArg]\n* @returns {undefined}\n*/\nthis.groupSelectedElements = function (type, urlArg) {\n  if (!type) { type = 'g'; }\n  let cmdStr = '';\n  let url;\n\n  switch (type) {\n  case 'a': {\n    cmdStr = 'Make hyperlink';\n    url = urlArg || '';\n    break;\n  } default: {\n    type = 'g';\n    cmdStr = 'Group Elements';\n    break;\n  }\n  }\n\n  const batchCmd = new BatchCommand(cmdStr);\n\n  // create and insert the group element\n  const g = addSVGElementFromJson({\n    element: type,\n    attr: {\n      id: getNextId()\n    }\n  });\n  if (type === 'a') {\n    setHref(g, url);\n  }\n  batchCmd.addSubCommand(new InsertElementCommand(g));\n\n  // now move all children into the group\n  let i = selectedElements.length;\n  while (i--) {\n    let elem = selectedElements[i];\n    if (elem == null) { continue; }\n\n    if (elem.parentNode.tagName === 'a' && elem.parentNode.childNodes.length === 1) {\n      elem = elem.parentNode;\n    }\n\n    const oldNextSibling = elem.nextSibling;\n    const oldParent = elem.parentNode;\n    g.append(elem);\n    batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldParent));\n  }\n  if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); }\n\n  // update selection\n  selectOnly([g], true);\n};\n\n/**\n* Pushes all appropriate parent group properties down to its children, then\n* removes them from the group\n* @function module:svgcanvas.SvgCanvas#pushGroupProperties\n* @param {SVGAElement|SVGGElement} g\n* @param {boolean} undoable\n* @returns {undefined}\n*/\nconst pushGroupProperties = this.pushGroupProperties = function (g, undoable) {\n  const children = g.childNodes;\n  const len = children.length;\n  const xform = g.getAttribute('transform');\n\n  const glist = getTransformList(g);\n  const m = transformListToTransform(glist).matrix;\n\n  const batchCmd = new BatchCommand('Push group properties');\n\n  // TODO: get all fill/stroke properties from the group that we are about to destroy\n  // \"fill\", \"fill-opacity\", \"fill-rule\", \"stroke\", \"stroke-dasharray\", \"stroke-dashoffset\",\n  // \"stroke-linecap\", \"stroke-linejoin\", \"stroke-miterlimit\", \"stroke-opacity\",\n  // \"stroke-width\"\n  // and then for each child, if they do not have the attribute (or the value is 'inherit')\n  // then set the child's attribute\n\n  const gangle = getRotationAngle(g);\n\n  const gattrs = $(g).attr(['filter', 'opacity']);\n  let gfilter, gblur, changes;\n  const drawing = getCurrentDrawing();\n\n  for (let i = 0; i < len; i++) {\n    const elem = children[i];\n\n    if (elem.nodeType !== 1) { continue; }\n\n    if (gattrs.opacity !== null && gattrs.opacity !== 1) {\n      // const c_opac = elem.getAttribute('opacity') || 1;\n      const newOpac = Math.round((elem.getAttribute('opacity') || 1) * gattrs.opacity * 100) / 100;\n      changeSelectedAttribute('opacity', newOpac, [elem]);\n    }\n\n    if (gattrs.filter) {\n      let cblur = this.getBlur(elem);\n      const origCblur = cblur;\n      if (!gblur) { gblur = this.getBlur(g); }\n      if (cblur) {\n        // Is this formula correct?\n        cblur = Number(gblur) + Number(cblur);\n      } else if (cblur === 0) {\n        cblur = gblur;\n      }\n\n      // If child has no current filter, get group's filter or clone it.\n      if (!origCblur) {\n        // Set group's filter to use first child's ID\n        if (!gfilter) {\n          gfilter = getRefElem(gattrs.filter);\n        } else {\n          // Clone the group's filter\n          gfilter = drawing.copyElem(gfilter);\n          findDefs().append(gfilter);\n        }\n      } else {\n        gfilter = getRefElem(elem.getAttribute('filter'));\n      }\n\n      // Change this in future for different filters\n      const suffix = (gfilter.firstChild.tagName === 'feGaussianBlur') ? 'blur' : 'filter';\n      gfilter.id = elem.id + '_' + suffix;\n      changeSelectedAttribute('filter', 'url(#' + gfilter.id + ')', [elem]);\n\n      // Update blur value\n      if (cblur) {\n        changeSelectedAttribute('stdDeviation', cblur, [gfilter.firstChild]);\n        canvas.setBlurOffsets(gfilter, cblur);\n      }\n    }\n\n    let chtlist = getTransformList(elem);\n\n    // Don't process gradient transforms\n    if (elem.tagName.includes('Gradient')) { chtlist = null; }\n\n    // Hopefully not a problem to add this. Necessary for elements like <desc/>\n    if (!chtlist) { continue; }\n\n    // Apparently <defs> can get get a transformlist, but we don't want it to have one!\n    if (elem.tagName === 'defs') { continue; }\n\n    if (glist.numberOfItems) {\n      // TODO: if the group's transform is just a rotate, we can always transfer the\n      // rotate() down to the children (collapsing consecutive rotates and factoring\n      // out any translates)\n      if (gangle && glist.numberOfItems === 1) {\n        // [Rg] [Rc] [Mc]\n        // we want [Tr] [Rc2] [Mc] where:\n        //  - [Rc2] is at the child's current center but has the\n        // sum of the group and child's rotation angles\n        //  - [Tr] is the equivalent translation that this child\n        // undergoes if the group wasn't there\n\n        // [Tr] = [Rg] [Rc] [Rc2_inv]\n\n        // get group's rotation matrix (Rg)\n        const rgm = glist.getItem(0).matrix;\n\n        // get child's rotation matrix (Rc)\n        let rcm = svgroot.createSVGMatrix();\n        const cangle = getRotationAngle(elem);\n        if (cangle) {\n          rcm = chtlist.getItem(0).matrix;\n        }\n\n        // get child's old center of rotation\n        const cbox = utilsGetBBox(elem);\n        const ceqm = transformListToTransform(chtlist).matrix;\n        const coldc = transformPoint(cbox.x + cbox.width / 2, cbox.y + cbox.height / 2, ceqm);\n\n        // sum group and child's angles\n        const sangle = gangle + cangle;\n\n        // get child's rotation at the old center (Rc2_inv)\n        const r2 = svgroot.createSVGTransform();\n        r2.setRotate(sangle, coldc.x, coldc.y);\n\n        // calculate equivalent translate\n        const trm = matrixMultiply(rgm, rcm, r2.matrix.inverse());\n\n        // set up tlist\n        if (cangle) {\n          chtlist.removeItem(0);\n        }\n\n        if (sangle) {\n          if (chtlist.numberOfItems) {\n            chtlist.insertItemBefore(r2, 0);\n          } else {\n            chtlist.appendItem(r2);\n          }\n        }\n\n        if (trm.e || trm.f) {\n          const tr = svgroot.createSVGTransform();\n          tr.setTranslate(trm.e, trm.f);\n          if (chtlist.numberOfItems) {\n            chtlist.insertItemBefore(tr, 0);\n          } else {\n            chtlist.appendItem(tr);\n          }\n        }\n      } else { // more complicated than just a rotate\n        // transfer the group's transform down to each child and then\n        // call recalculateDimensions()\n        const oldxform = elem.getAttribute('transform');\n        changes = {};\n        changes.transform = oldxform || '';\n\n        const newxform = svgroot.createSVGTransform();\n\n        // [ gm ] [ chm ] = [ chm ] [ gm' ]\n        // [ gm' ] = [ chmInv ] [ gm ] [ chm ]\n        const chm = transformListToTransform(chtlist).matrix,\n          chmInv = chm.inverse();\n        const gm = matrixMultiply(chmInv, m, chm);\n        newxform.setMatrix(gm);\n        chtlist.appendItem(newxform);\n      }\n      const cmd = recalculateDimensions(elem);\n      if (cmd) { batchCmd.addSubCommand(cmd); }\n    }\n  }\n\n  // remove transform and make it undo-able\n  if (xform) {\n    changes = {};\n    changes.transform = xform;\n    g.setAttribute('transform', '');\n    g.removeAttribute('transform');\n    batchCmd.addSubCommand(new ChangeElementCommand(g, changes));\n  }\n\n  if (undoable && !batchCmd.isEmpty()) {\n    return batchCmd;\n  }\n};\n\n/**\n* Unwraps all the elements in a selected group (`g`) element. This requires\n* significant recalculations to apply group's transforms, etc. to its children\n* @function module:svgcanvas.SvgCanvas#ungroupSelectedElement\n* @returns {undefined}\n*/\nthis.ungroupSelectedElement = function () {\n  let g = selectedElements[0];\n  if (!g) {\n    return;\n  }\n  if ($(g).data('gsvg') || $(g).data('symbol')) {\n    // Is svg, so actually convert to group\n    convertToGroup(g);\n    return;\n  }\n  if (g.tagName === 'use') {\n    // Somehow doesn't have data set, so retrieve\n    const symbol = getElem(getHref(g).substr(1));\n    $(g).data('symbol', symbol).data('ref', symbol);\n    convertToGroup(g);\n    return;\n  }\n  const parentsA = $(g).parents('a');\n  if (parentsA.length) {\n    g = parentsA[0];\n  }\n\n  // Look for parent \"a\"\n  if (g.tagName === 'g' || g.tagName === 'a') {\n    const batchCmd = new BatchCommand('Ungroup Elements');\n    const cmd = pushGroupProperties(g, true);\n    if (cmd) { batchCmd.addSubCommand(cmd); }\n\n    const parent = g.parentNode;\n    const anchor = g.nextSibling;\n    const children = new Array(g.childNodes.length);\n\n    let i = 0;\n    while (g.firstChild) {\n      let elem = g.firstChild;\n      const oldNextSibling = elem.nextSibling;\n      const oldParent = elem.parentNode;\n\n      // Remove child title elements\n      if (elem.tagName === 'title') {\n        const {nextSibling} = elem;\n        batchCmd.addSubCommand(new RemoveElementCommand(elem, nextSibling, oldParent));\n        elem.remove();\n        continue;\n      }\n\n      children[i++] = elem = parent.insertBefore(elem, anchor);\n      batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldParent));\n    }\n\n    // remove the group from the selection\n    clearSelection();\n\n    // delete the group element (but make undo-able)\n    const gNextSibling = g.nextSibling;\n    g = parent.removeChild(g);\n    batchCmd.addSubCommand(new RemoveElementCommand(g, gNextSibling, parent));\n\n    if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); }\n\n    // update selection\n    addToSelection(children);\n  }\n};\n\n/**\n* Repositions the selected element to the bottom in the DOM to appear on top of\n* other elements\n* @function module:svgcanvas.SvgCanvas#moveToTopSelectedElement\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.moveToTopSelectedElement = function () {\n  const [selected] = selectedElements;\n  if (selected != null) {\n    let t = selected;\n    const oldParent = t.parentNode;\n    const oldNextSibling = t.nextSibling;\n    t = t.parentNode.appendChild(t);\n    // If the element actually moved position, add the command and fire the changed\n    // event handler.\n    if (oldNextSibling !== t.nextSibling) {\n      addCommandToHistory(new MoveElementCommand(t, oldNextSibling, oldParent, 'top'));\n      call('changed', [t]);\n    }\n  }\n};\n\n/**\n* Repositions the selected element to the top in the DOM to appear under\n* other elements\n* @function module:svgcanvas.SvgCanvas#moveToBottomSelectedElement\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.moveToBottomSelectedElement = function () {\n  const [selected] = selectedElements;\n  if (selected != null) {\n    let t = selected;\n    const oldParent = t.parentNode;\n    const oldNextSibling = t.nextSibling;\n    let {firstChild} = t.parentNode;\n    if (firstChild.tagName === 'title') {\n      firstChild = firstChild.nextSibling;\n    }\n    // This can probably be removed, as the defs should not ever apppear\n    // inside a layer group\n    if (firstChild.tagName === 'defs') {\n      firstChild = firstChild.nextSibling;\n    }\n    t = t.parentNode.insertBefore(t, firstChild);\n    // If the element actually moved position, add the command and fire the changed\n    // event handler.\n    if (oldNextSibling !== t.nextSibling) {\n      addCommandToHistory(new MoveElementCommand(t, oldNextSibling, oldParent, 'bottom'));\n      call('changed', [t]);\n    }\n  }\n};\n\n/**\n* Moves the select element up or down the stack, based on the visibly\n* intersecting elements\n* @function module:svgcanvas.SvgCanvas#moveUpDownSelected\n* @param {\"Up\"|\"Down\"} dir - String that's either 'Up' or 'Down'\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.moveUpDownSelected = function (dir) {\n  const selected = selectedElements[0];\n  if (!selected) { return; }\n\n  curBBoxes = [];\n  let closest, foundCur;\n  // jQuery sorts this list\n  const list = $(getIntersectionList(getStrokedBBoxDefaultVisible([selected]))).toArray();\n  if (dir === 'Down') { list.reverse(); }\n\n  $.each(list, function () {\n    if (!foundCur) {\n      if (this === selected) {\n        foundCur = true;\n      }\n      return;\n    }\n    closest = this;\n    return false;\n  });\n  if (!closest) { return; }\n\n  const t = selected;\n  const oldParent = t.parentNode;\n  const oldNextSibling = t.nextSibling;\n  $(closest)[dir === 'Down' ? 'before' : 'after'](t);\n  // If the element actually moved position, add the command and fire the changed\n  // event handler.\n  if (oldNextSibling !== t.nextSibling) {\n    addCommandToHistory(new MoveElementCommand(t, oldNextSibling, oldParent, 'Move ' + dir));\n    call('changed', [t]);\n  }\n};\n\n/**\n* Moves selected elements on the X/Y axis\n* @function module:svgcanvas.SvgCanvas#moveSelectedElements\n* @param {Float} dx - Float with the distance to move on the x-axis\n* @param {Float} dy - Float with the distance to move on the y-axis\n* @param {boolean} undoable - Boolean indicating whether or not the action should be undoable\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {BatchCommand} Batch command for the move\n*/\nthis.moveSelectedElements = function (dx, dy, undoable) {\n  // if undoable is not sent, default to true\n  // if single values, scale them to the zoom\n  if (dx.constructor !== Array) {\n    dx /= currentZoom;\n    dy /= currentZoom;\n  }\n  undoable = undoable || true;\n  const batchCmd = new BatchCommand('position');\n  let i = selectedElements.length;\n  while (i--) {\n    const selected = selectedElements[i];\n    if (selected != null) {\n      // if (i === 0) {\n      //   selectedBBoxes[0] = utilsGetBBox(selected);\n      // }\n      // const b = {};\n      // for (const j in selectedBBoxes[i]) b[j] = selectedBBoxes[i][j];\n      // selectedBBoxes[i] = b;\n\n      const xform = svgroot.createSVGTransform();\n      const tlist = getTransformList(selected);\n\n      // dx and dy could be arrays\n      if (dx.constructor === Array) {\n        // if (i === 0) {\n        //   selectedBBoxes[0].x += dx[0];\n        //   selectedBBoxes[0].y += dy[0];\n        // }\n        xform.setTranslate(dx[i], dy[i]);\n      } else {\n        // if (i === 0) {\n        //   selectedBBoxes[0].x += dx;\n        //   selectedBBoxes[0].y += dy;\n        // }\n        xform.setTranslate(dx, dy);\n      }\n\n      if (tlist.numberOfItems) {\n        tlist.insertItemBefore(xform, 0);\n      } else {\n        tlist.appendItem(xform);\n      }\n\n      const cmd = recalculateDimensions(selected);\n      if (cmd) {\n        batchCmd.addSubCommand(cmd);\n      }\n\n      selectorManager.requestSelector(selected).resize();\n    }\n  }\n  if (!batchCmd.isEmpty()) {\n    if (undoable) {\n      addCommandToHistory(batchCmd);\n    }\n    call('changed', selectedElements);\n    return batchCmd;\n  }\n};\n\n/**\n* Create deep DOM copies (clones) of all selected elements and move them slightly\n* from their originals\n* @function module:svgcanvas.SvgCanvas#cloneSelectedElements\n* @param {Float} x Float with the distance to move on the x-axis\n* @param {Float} y Float with the distance to move on the y-axis\n* @returns {undefined}\n*/\nthis.cloneSelectedElements = function (x, y) {\n  let i, elem;\n  const batchCmd = new BatchCommand('Clone Elements');\n  // find all the elements selected (stop at first null)\n  const len = selectedElements.length;\n  function sortfunction (a, b) {\n    return ($(b).index() - $(a).index()); // causes an array to be sorted numerically and ascending\n  }\n  selectedElements.sort(sortfunction);\n  for (i = 0; i < len; ++i) {\n    elem = selectedElements[i];\n    if (elem == null) { break; }\n  }\n  // use slice to quickly get the subset of elements we need\n  const copiedElements = selectedElements.slice(0, i);\n  this.clearSelection(true);\n  // note that we loop in the reverse way because of the way elements are added\n  // to the selectedElements array (top-first)\n  const drawing = getCurrentDrawing();\n  i = copiedElements.length;\n  while (i--) {\n    // clone each element and replace it within copiedElements\n    elem = copiedElements[i] = drawing.copyElem(copiedElements[i]);\n    (currentGroup || drawing.getCurrentLayer()).append(elem);\n    batchCmd.addSubCommand(new InsertElementCommand(elem));\n  }\n\n  if (!batchCmd.isEmpty()) {\n    addToSelection(copiedElements.reverse()); // Need to reverse for correct selection-adding\n    this.moveSelectedElements(x, y, false);\n    addCommandToHistory(batchCmd);\n  }\n};\n\n/**\n* Aligns selected elements\n* @function module:svgcanvas.SvgCanvas#alignSelectedElements\n* @param {string} type - String with single character indicating the alignment type\n* @param {\"selected\"|\"largest\"|\"smallest\"|\"page\"} relativeTo\n* @returns {undefined}\n*/\nthis.alignSelectedElements = function (type, relativeTo) {\n  const bboxes = []; // angles = [];\n  const len = selectedElements.length;\n  if (!len) { return; }\n  let minx = Number.MAX_VALUE, maxx = Number.MIN_VALUE,\n    miny = Number.MAX_VALUE, maxy = Number.MIN_VALUE;\n  let curwidth = Number.MIN_VALUE, curheight = Number.MIN_VALUE;\n  for (let i = 0; i < len; ++i) {\n    if (selectedElements[i] == null) { break; }\n    const elem = selectedElements[i];\n    bboxes[i] = getStrokedBBoxDefaultVisible([elem]);\n\n    // now bbox is axis-aligned and handles rotation\n    switch (relativeTo) {\n    case 'smallest':\n      if (((type === 'l' || type === 'c' || type === 'r') &&\n        (curwidth === Number.MIN_VALUE || curwidth > bboxes[i].width)) ||\n        ((type === 't' || type === 'm' || type === 'b') &&\n        (curheight === Number.MIN_VALUE || curheight > bboxes[i].height))\n      ) {\n        minx = bboxes[i].x;\n        miny = bboxes[i].y;\n        maxx = bboxes[i].x + bboxes[i].width;\n        maxy = bboxes[i].y + bboxes[i].height;\n        curwidth = bboxes[i].width;\n        curheight = bboxes[i].height;\n      }\n      break;\n    case 'largest':\n      if (((type === 'l' || type === 'c' || type === 'r') &&\n        (curwidth === Number.MIN_VALUE || curwidth < bboxes[i].width)) ||\n        ((type === 't' || type === 'm' || type === 'b') &&\n        (curheight === Number.MIN_VALUE || curheight < bboxes[i].height))\n      ) {\n        minx = bboxes[i].x;\n        miny = bboxes[i].y;\n        maxx = bboxes[i].x + bboxes[i].width;\n        maxy = bboxes[i].y + bboxes[i].height;\n        curwidth = bboxes[i].width;\n        curheight = bboxes[i].height;\n      }\n      break;\n    default: // 'selected'\n      if (bboxes[i].x < minx) { minx = bboxes[i].x; }\n      if (bboxes[i].y < miny) { miny = bboxes[i].y; }\n      if (bboxes[i].x + bboxes[i].width > maxx) { maxx = bboxes[i].x + bboxes[i].width; }\n      if (bboxes[i].y + bboxes[i].height > maxy) { maxy = bboxes[i].y + bboxes[i].height; }\n      break;\n    }\n  } // loop for each element to find the bbox and adjust min/max\n\n  if (relativeTo === 'page') {\n    minx = 0;\n    miny = 0;\n    maxx = canvas.contentW;\n    maxy = canvas.contentH;\n  }\n\n  const dx = new Array(len);\n  const dy = new Array(len);\n  for (let i = 0; i < len; ++i) {\n    if (selectedElements[i] == null) { break; }\n    // const elem = selectedElements[i];\n    const bbox = bboxes[i];\n    dx[i] = 0;\n    dy[i] = 0;\n    switch (type) {\n    case 'l': // left (horizontal)\n      dx[i] = minx - bbox.x;\n      break;\n    case 'c': // center (horizontal)\n      dx[i] = (minx + maxx) / 2 - (bbox.x + bbox.width / 2);\n      break;\n    case 'r': // right (horizontal)\n      dx[i] = maxx - (bbox.x + bbox.width);\n      break;\n    case 't': // top (vertical)\n      dy[i] = miny - bbox.y;\n      break;\n    case 'm': // middle (vertical)\n      dy[i] = (miny + maxy) / 2 - (bbox.y + bbox.height / 2);\n      break;\n    case 'b': // bottom (vertical)\n      dy[i] = maxy - (bbox.y + bbox.height);\n      break;\n    }\n  }\n  this.moveSelectedElements(dx, dy);\n};\n\n/**\n* Group: Additional editor tools\n*/\n\n/**\n* @name module:svgcanvas.SvgCanvas#contentW\n* @type {Float}\n*/\nthis.contentW = getResolution().w;\n/**\n* @name module:svgcanvas.SvgCanvas#contentH\n* @type {Float}\n*/\nthis.contentH = getResolution().h;\n\n/**\n* @typedef {PlainObject} module:svgcanvas.CanvasInfo\n* @property {Float} x - The canvas' new x coordinate\n* @property {Float} y - The canvas' new y coordinate\n* @property {string} oldX - The canvas' old x coordinate\n* @property {string} oldY - The canvas' old y coordinate\n* @property {Float} d_x - The x position difference\n* @property {Float} d_y - The y position difference\n*/\n\n/**\n* Updates the editor canvas width/height/position after a zoom has occurred\n* @function module:svgcanvas.SvgCanvas#updateCanvas\n* @param {Float} w - Float with the new width\n* @param {Float} h - Float with the new height\n* @fires module:svgcanvas.SvgCanvas#event:ext-canvasUpdated\n* @returns {module:svgcanvas.CanvasInfo}\n*/\nthis.updateCanvas = function (w, h) {\n  svgroot.setAttribute('width', w);\n  svgroot.setAttribute('height', h);\n  const bg = $('#canvasBackground')[0];\n  const oldX = svgcontent.getAttribute('x');\n  const oldY = svgcontent.getAttribute('y');\n  const x = (w / 2 - this.contentW * currentZoom / 2);\n  const y = (h / 2 - this.contentH * currentZoom / 2);\n\n  assignAttributes(svgcontent, {\n    width: this.contentW * currentZoom,\n    height: this.contentH * currentZoom,\n    x,\n    y,\n    viewBox: '0 0 ' + this.contentW + ' ' + this.contentH\n  });\n\n  assignAttributes(bg, {\n    width: svgcontent.getAttribute('width'),\n    height: svgcontent.getAttribute('height'),\n    x,\n    y\n  });\n\n  const bgImg = getElem('background_image');\n  if (bgImg) {\n    assignAttributes(bgImg, {\n      width: '100%',\n      height: '100%'\n    });\n  }\n\n  selectorManager.selectorParentGroup.setAttribute('transform', 'translate(' + x + ',' + y + ')');\n  /**\n  * Invoked upon updates to the canvas.\n  * @event module:svgcanvas.SvgCanvas#event:ext-canvasUpdated\n  * @type {PlainObject}\n  * @property {Integer} new_x\n  * @property {Integer} new_y\n  * @property {string} old_x (Of Integer)\n  * @property {string} old_y (Of Integer)\n  * @property {Integer} d_x\n  * @property {Integer} d_y\n  */\n  runExtensions(\n    'canvasUpdated',\n    /**\n     * @type {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated}\n     */\n    {new_x: x, new_y: y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY}\n  );\n  return {x, y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY};\n};\n\n/**\n* Set the background of the editor (NOT the actual document)\n* @function module:svgcanvas.SvgCanvas#setBackground\n* @param {string} color - String with fill color to apply\n* @param {string} url - URL or path to image to use\n* @returns {undefined}\n*/\nthis.setBackground = function (color, url) {\n  const bg = getElem('canvasBackground');\n  const border = $(bg).find('rect')[0];\n  let bgImg = getElem('background_image');\n  border.setAttribute('fill', color);\n  if (url) {\n    if (!bgImg) {\n      bgImg = svgdoc.createElementNS(NS.SVG, 'image');\n      assignAttributes(bgImg, {\n        id: 'background_image',\n        width: '100%',\n        height: '100%',\n        preserveAspectRatio: 'xMinYMin',\n        style: 'pointer-events:none'\n      });\n    }\n    setHref(bgImg, url);\n    bg.append(bgImg);\n  } else if (bgImg) {\n    bgImg.remove();\n  }\n};\n\n/**\n* Select the next/previous element within the current layer\n* @function module:svgcanvas.SvgCanvas#cycleElement\n* @param {boolean} next - true = next and false = previous element\n* @fires module:svgcanvas.SvgCanvas#event:selected\n* @returns {undefined}\n*/\nthis.cycleElement = function (next) {\n  let num;\n  const curElem = selectedElements[0];\n  let elem = false;\n  const allElems = getVisibleElements(currentGroup || getCurrentDrawing().getCurrentLayer());\n  if (!allElems.length) { return; }\n  if (curElem == null) {\n    num = next ? allElems.length - 1 : 0;\n    elem = allElems[num];\n  } else {\n    let i = allElems.length;\n    while (i--) {\n      if (allElems[i] === curElem) {\n        num = next ? i - 1 : i + 1;\n        if (num >= allElems.length) {\n          num = 0;\n        } else if (num < 0) {\n          num = allElems.length - 1;\n        }\n        elem = allElems[num];\n        break;\n      }\n    }\n  }\n  selectOnly([elem], true);\n  call('selected', selectedElements);\n};\n\nthis.clear();\n\n/**\n* @interface module:svgcanvas.PrivateMethods\n* @type {PlainObject}\n* @property {module:svgcanvas~addCommandToHistory} addCommandToHistory\n* @property {module:history.HistoryCommand} BatchCommand\n* @property {module:history.HistoryCommand} ChangeElementCommand\n* @property {module:utilities.decode64} decode64\n* @property {module:utilities.dropXMLInteralSubset} dropXMLInteralSubset\n* @property {module:utilities.encode64} encode64\n* @property {module:svgcanvas~ffClone} ffClone\n* @property {module:svgcanvas~findDuplicateGradient} findDuplicateGradient\n* @property {module:utilities.getPathBBox} getPathBBox\n* @property {module:units.getTypeMap} getTypeMap\n* @property {module:draw.identifyLayers} identifyLayers\n* @property {module:history.HistoryCommand} InsertElementCommand\n* @property {module:browser.isChrome} isChrome\n* @property {module:math.isIdentity} isIdentity\n* @property {module:browser.isIE} isIE\n* @property {module:svgcanvas~logMatrix} logMatrix\n* @property {module:history.HistoryCommand} MoveElementCommand\n* @property {module:namespaces.NS} NS\n* @property {module:utilities.preventClickDefault} preventClickDefault\n* @property {module:history.HistoryCommand} RemoveElementCommand\n* @property {module:SVGTransformList.SVGEditTransformList} SVGEditTransformList\n* @property {module:utilities.text2xml} text2xml\n* @property {module:math.transformBox} transformBox\n* @property {module:math.transformPoint} transformPoint\n* @property {module:utilities.walkTree} walkTree\n*/\n/**\n* @deprecated getPrivateMethods\n* Since all methods are/should be public somehow, this function should be removed;\n*  we might require `import` in place of this in the future once ES6 Modules\n*  widespread\n\n* Being able to access private methods publicly seems wrong somehow,\n* but currently appears to be the best way to allow testing and provide\n* access to them to plugins.\n* @function module:svgcanvas.SvgCanvas#getPrivateMethods\n* @returns {module:svgcanvas.PrivateMethods}\n*/\nthis.getPrivateMethods = function () {\n  const obj = {\n    addCommandToHistory,\n    BatchCommand,\n    ChangeElementCommand,\n    decode64,\n    dropXMLInteralSubset,\n    encode64,\n    ffClone,\n    findDefs,\n    findDuplicateGradient,\n    getElem,\n    getPathBBox,\n    getTypeMap,\n    getUrlFromAttr,\n    identifyLayers: draw.identifyLayers,\n    InsertElementCommand,\n    isChrome,\n    isIdentity,\n    isIE,\n    logMatrix,\n    MoveElementCommand,\n    NS,\n    preventClickDefault,\n    RemoveElementCommand,\n    SVGEditTransformList,\n    text2xml,\n    transformBox,\n    transformPoint,\n    walkTree\n  };\n  return obj;\n};\n  } // End constructor\n} // End class\n\nexport default SvgCanvas;\n","// Todo: Update: https://github.com/jeresig/jquery.hotkeys\n/*\n * jQuery Hotkeys Plugin\n * Copyright 2010, John Resig\n * Dual licensed under the MIT or GPL Version 2 licenses.\n *\n * http://github.com/jeresig/jquery.hotkeys\n *\n * Based upon the plugin by Tzury Bar Yochay:\n * http://github.com/tzuryby/hotkeys\n *\n * Original idea by:\n * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/\n*/\n\nexport default function(b){b.hotkeys={version:\"0.8\",specialKeys:{8:\"backspace\",9:\"tab\",13:\"return\",16:\"shift\",17:\"ctrl\",18:\"alt\",19:\"pause\",20:\"capslock\",27:\"esc\",32:\"space\",33:\"pageup\",34:\"pagedown\",35:\"end\",36:\"home\",37:\"left\",38:\"up\",39:\"right\",40:\"down\",45:\"insert\",46:\"del\",96:\"0\",97:\"1\",98:\"2\",99:\"3\",100:\"4\",101:\"5\",102:\"6\",103:\"7\",104:\"8\",105:\"9\",106:\"*\",107:\"+\",109:\"-\",110:\".\",111:\"/\",112:\"f1\",113:\"f2\",114:\"f3\",115:\"f4\",116:\"f5\",117:\"f6\",118:\"f7\",119:\"f8\",120:\"f9\",121:\"f10\",122:\"f11\",123:\"f12\",144:\"numlock\",145:\"scroll\",191:\"/\",224:\"meta\",219:\"[\",221:\"]\"},shiftNums:{\"`\":\"~\",\"1\":\"!\",\"2\":\"@\",\"3\":\"#\",\"4\":\"$\",\"5\":\"%\",\"6\":\"^\",\"7\":\"&\",\"8\":\"*\",\"9\":\"(\",\"0\":\")\",\"-\":\"_\",\"=\":\"+\",\";\":\": \",\"'\":'\"',\",\":\"<\",\".\":\">\",\"/\":\"?\",\"\\\\\":\"|\"}};function a(d){if(typeof d.data!==\"string\"){return}var c=d.handler,e=d.data.toLowerCase().split(\" \");d.handler=function(n){if(this!==n.target&&(/textarea|select/i.test(n.target.nodeName)||n.target.type===\"text\")){return}var h=n.type!==\"keypress\"&&b.hotkeys.specialKeys[n.which],o=String.fromCharCode(n.which).toLowerCase(),k,m=\"\",g={};if(n.altKey&&h!==\"alt\"){m+=\"alt+\"}if(n.ctrlKey&&h!==\"ctrl\"){m+=\"ctrl+\"}if(n.metaKey&&!n.ctrlKey&&h!==\"meta\"){m+=\"meta+\"}if(n.shiftKey&&h!==\"shift\"){m+=\"shift+\"}if(h){g[m+h]=true}else{g[m+o]=true;g[m+b.hotkeys.shiftNums[o]]=true;if(m===\"shift+\"){g[b.hotkeys.shiftNums[o]]=true}}for(var j=0,f=e.length;j<f;j++){if(g[e[j]]){return c.apply(this,arguments)}}}}b.each([\"keydown\",\"keyup\",\"keypress\"],function(){b.event.special[this]={add:a}})\n\nreturn b;\n}\n","/*\n * Todo: Update to latest at https://github.com/cowboy/jquery-bbq ?\n * jQuery BBQ: Back Button & Query Library - v1.2.1 - 2/17/2010\n * http://benalman.com/projects/jquery-bbq-plugin/\n *\n * Copyright (c) 2010 \"Cowboy\" Ben Alman\n * Dual licensed under the MIT and GPL licenses.\n * http://benalman.com/about/license/\n */\n\n// For sake of modules, added this wrapping export and changed `this` to `window`\nexport default function (jQuery) {\n\n(function($,p){var i,m=Array.prototype.slice,r=decodeURIComponent,a=$.param,c,l,v,b=$.bbq=$.bbq||{},q,u,j,e=$.event.special,d=\"hashchange\",A=\"querystring\",D=\"fragment\",y=\"elemUrlAttr\",g=\"location\",k=\"href\",t=\"src\",x=/^.*\\?|#.*$/g,w=/^.*\\#/,h,C={};function E(F){return typeof F===\"string\"}function B(G){var F=m.call(arguments,1);return function(){return G.apply(this,F.concat(m.call(arguments)))}}function n(F){return F.replace(/^[^#]*#?(.*)$/,\"$1\")}function o(F){return F.replace(/(?:^[^?#]*\\?([^#]*).*$)?.*/,\"$1\")}function f(H,M,F,I,G){var O,L,K,N,J;if(I!==i){K=F.match(H?/^([^#]*)\\#?(.*)$/:/^([^#?]*)\\??([^#]*)(#?.*)/);J=K[3]||\"\";if(G===2&&E(I)){L=I.replace(H?w:x,\"\")}else{N=l(K[2]);I=E(I)?l[H?D:A](I):I;L=G===2?I:G===1?$.extend({},I,N):$.extend({},N,I);L=a(L);if(H){L=L.replace(h,r)}}O=K[1]+(H?\"#\":L||!K[1]?\"?\":\"\")+L+J}else{O=M(F!==i?F:p[g][k])}return O}a[A]=B(f,0,o);a[D]=c=B(f,1,n);c.noEscape=function(G){G=G||\"\";var F=$.map(G.split(\"\"),encodeURIComponent);h=new RegExp(F.join(\"|\"),\"g\")};c.noEscape(\",/\");$.deparam=l=function(I,F){var H={},G={\"true\":!0,\"false\":!1,\"null\":null};$.each(I.replace(/\\+/g,\" \").split(\"&\"),function(L,Q){var K=Q.split(\"=\"),P=r(K[0]),J,O=H,M=0,R=P.split(\"][\"),N=R.length-1;if(/\\[/.test(R[0])&&/\\]$/.test(R[N])){R[N]=R[N].replace(/\\]$/,\"\");R=R.shift().split(\"[\").concat(R);N=R.length-1}else{N=0}if(K.length===2){J=r(K[1]);if(F){J=J&&!isNaN(J)?+J:J===\"undefined\"?i:G[J]!==i?G[J]:J}if(N){for(;M<=N;M++){P=R[M]===\"\"?O.length:R[M];O=O[P]=M<N?O[P]||(R[M+1]&&isNaN(R[M+1])?{}:[]):J}}else{if($.isArray(H[P])){H[P].push(J)}else{if(H[P]!==i){H[P]=[H[P],J]}else{H[P]=J}}}}else{if(P){H[P]=F?i:\"\"}}});return H};function z(H,F,G){if(F===i||typeof F===\"boolean\"){G=F;F=a[H?D:A]()}else{F=E(F)?F.replace(H?w:x,\"\"):F}return l(F,G)}l[A]=B(z,0);l[D]=v=B(z,1);$[y]||($[y]=function(F){return $.extend(C,F)})({a:k,base:k,iframe:t,img:t,input:t,form:\"action\",link:k,script:t});j=$[y];function s(I,G,H,F){if(!E(H)&&typeof H!==\"object\"){F=H;H=G;G=i}return this.each(function(){var L=$(this),J=G||j()[(this.nodeName||\"\").toLowerCase()]||\"\",K=J&&L.attr(J)||\"\";L.attr(J,a[I](K,H,F))})}$.fn[A]=B(s,A);$.fn[D]=B(s,D);b.pushState=q=function(I,F){if(E(I)&&/^#/.test(I)&&F===i){F=2}var H=I!==i,G=c(p[g][k],H?I:{},H?F:2);p[g][k]=G+(/#/.test(G)?\"\":\"#\")};b.getState=u=function(F,G){return F===i||typeof F===\"boolean\"?v(F):v(G)[F]};b.removeState=function(F){var G={};if(F!==i){G=u();$.each($.isArray(F)?F:arguments,function(I,H){delete G[H]})}q(G,2)};e[d]=$.extend(e[d],{add:function(F){var H;function G(J){var I=J[D]=c();J.getState=function(K,L){return K===i||typeof K===\"boolean\"?l(I,K):l(I,L)[K]};H.apply(this,arguments)}if($.isFunction(F)){H=F;return G}else{H=F.handler;F.handler=G}}})})(jQuery,window);\n/*\n * jQuery hashchange event - v1.2 - 2/11/2010\n * http://benalman.com/projects/jquery-hashchange-plugin/\n *\n * Copyright (c) 2010 \"Cowboy\" Ben Alman\n * Dual licensed under the MIT and GPL licenses.\n * http://benalman.com/about/license/\n */\n(function($,i,b){var j,k=$.event.special,c=\"location\",d=\"hashchange\",l=\"href\",f=$.browser,g=document.documentMode,h=f.msie&&(g===b||g<8),e=\"on\"+d in i&&!h;function a(m){m=m||i[c][l];return m.replace(/^[^#]*#?(.*)$/,\"$1\")}$[d+\"Delay\"]=100;k[d]=$.extend(k[d],{setup:function(){if(e){return false}$(j.start)},teardown:function(){if(e){return false}$(j.stop)}});j=(function(){var m={},r,n,o,q;function p(){o=q=function(s){return s};if(h){n=$('<iframe src=\"javascript:0\"/>').hide().insertAfter(\"body\")[0].contentWindow;q=function(){return a(n.document[c][l])};o=function(u,s){if(u!==s){var t=n.document;t.open().close();t[c].hash=\"#\"+u}};o(a())}}m.start=function(){if(r){return}var t=a();o||p();(function s(){var v=a(),u=q(t);if(v!==t){o(t=v,u);$(i).trigger(d)}else{if(u!==t){i[c][l]=i[c][l].replace(/#.*/,\"\")+\"#\"+u}}r=setTimeout(s,$[d+\"Delay\"])})()};m.stop=function(){if(!n){r&&clearTimeout(r);r=0}};return m})()})(jQuery,window);\n\nreturn jQuery;\n}\n","/**\n * SVG Icon Loader 2.0\n *\n * jQuery Plugin for loading SVG icons from a single file\n *\n * Adds {@link external:jQuery.svgIcons}, {@link external:jQuery.getSvgIcon}, {@link external:jQuery.resizeSvgIcons}\n *\n * How to use:\n\n1. Create the SVG master file that includes all icons:\n\nThe master SVG icon-containing file is an SVG file that contains\n`<g>` elements. Each `<g>` element should contain the markup of an SVG\nicon. The `<g>` element has an ID that should\ncorrespond with the ID of the HTML element used on the page that should contain\nor optionally be replaced by the icon. Additionally, one empty element should be\nadded at the end with id \"svg_eof\".\n\n2. Optionally create fallback raster images for each SVG icon.\n\n3. Include the jQuery and the SVG Icon Loader scripts on your page.\n\n4. Run `$.svgIcons()` when the document is ready. See its signature\n\n5. To access an icon at a later point without using the callback, use this:\n  `$.getSvgIcon(id (string), uniqueClone (boolean))`;\n\nThis will return the icon (as jQuery object) with a given ID.\n\n6. To resize icons at a later point without using the callback, use this:\n  `$.resizeSvgIcons(resizeOptions)` (use the same way as the \"resize\" parameter)\n *\n * @module jQuerySVGIcons\n * @license MIT\n * @copyright (c) 2009 Alexis Deveria\n * {@link http://a.deveria.com}\n * @example usage #1:\n\n$(function() {\n  $.svgIcons('my_icon_set.svg'); // The SVG file that contains all icons\n  // No options have been set, so all icons will automatically be inserted\n  // into HTML elements that match the same IDs.\n});\n\n* @example usage #2:\n\n$(function() {\n  $.svgIcons('my_icon_set.svg', { // The SVG file that contains all icons\n    callback (icons) { // Custom callback function that sets click\n                  // events for each icon\n      $.each(icons, function(id, icon) {\n        icon.click(function() {\n          alert('You clicked on the icon with id ' + id);\n        });\n      });\n    }\n  }); //The SVG file that contains all icons\n});\n\n* @example usage #3:\n\n$(function() {\n  $.svgIcons('my_icon_set.svgz', { // The SVGZ file that contains all icons\n    w: 32,  // All icons will be 32px wide\n    h: 32,  // All icons will be 32px high\n    fallback_path: 'icons/',  // All fallback files can be found here\n    fallback: {\n      '#open_icon': 'open.png',  // The \"open.png\" will be appended to the\n                    // HTML element with ID \"open_icon\"\n      '#close_icon': 'close.png',\n      '#save_icon': 'save.png'\n    },\n    placement: {'.open_icon','open'}, // The \"open\" icon will be added\n                    // to all elements with class \"open_icon\"\n    resize () {\n      '#save_icon .svg_icon': 64  // The \"save\" icon will be resized to 64 x 64px\n    },\n\n    callback (icons) { // Sets background color for \"close\" icon\n      icons['close'].css('background','red');\n    },\n\n    svgz: true // Indicates that an SVGZ file is being used\n\n  })\n});\n*/\n\n/**\n* @callback module:jQuerySVGIcons.SVGIconsLoadedCallback\n* @param {PlainObject.<string, external:jQuery>} svgIcons IDs keyed to jQuery objects of images\n*/\n\n/**\n * @function module:jQuerySVGIcons.jQuerySVGIcons\n * @param {external:jQuery} $ Its keys include all icon IDs and the values, the icon as a jQuery object\n*/\nexport default function ($) {\n  const svgIcons = {};\n\n  let fixIDs;\n  /**\n  * @function external:jQuery.svgIcons\n  * @param {string} file The location of a local SVG or SVGz file\n  * @param {PlainObject} [options]\n  * @param {Float} [options.w] The icon widths\n  * @param {Float} [options.h] The icon heights\n  * @param {PlainObject.<string, string>} [options.fallback] List of raster images with each\n    key being the SVG icon ID to replace, and the value the image file name\n  * @param {string} [options.fallback_path] The path to use for all images\n    listed under \"fallback\"\n  * @param {boolean} [options.replace] If set to `true`, HTML elements will be replaced by,\n    rather than include the SVG icon.\n  * @param {PlainObject.<string, string>} [options.placement] List with selectors for keys and SVG icon ids\n    as values. This provides a custom method of adding icons.\n  * @param {PlainObject.<string, module:jQuerySVGIcons.Size>} [options.resize] List with selectors for keys and numbers\n    as values. This allows an easy way to resize specific icons.\n  * @param {module:jQuerySVGIcons.SVGIconsLoadedCallback} [options.callback] A function to call when all icons have been loaded.\n  * @param {boolean} [options.id_match=true] Automatically attempt to match SVG icon ids with\n    corresponding HTML id\n  * @param {boolean} [options.no_img] Prevent attempting to convert the icon into an `<img>`\n    element (may be faster, help for browser consistency)\n  * @param {boolean} [options.svgz] Indicate that the file is an SVGZ file, and thus not to\n    parse as XML. SVGZ files add compression benefits, but getting data from\n    them fails in Firefox 2 and older.\n  */\n  $.svgIcons = function (file, opts = {}) {\n    const svgns = 'http://www.w3.org/2000/svg',\n      xlinkns = 'http://www.w3.org/1999/xlink',\n      iconW = opts.w || 24,\n      iconH = opts.h || 24;\n    let elems, svgdoc, testImg,\n      iconsMade = false, dataLoaded = false, loadAttempts = 0;\n    const isOpera = !!window.opera,\n      // ua = navigator.userAgent,\n      // isSafari = (ua.includes('Safari/') && !ua.includes('Chrome/')),\n      dataPre = 'data:image/svg+xml;charset=utf-8;base64,';\n\n    let dataEl;\n    if (opts.svgz) {\n      dataEl = $('<object data=\"' + file + '\" type=image/svg+xml>').appendTo('body').hide();\n      try {\n        svgdoc = dataEl[0].contentDocument;\n        dataEl.load(getIcons);\n        getIcons(0, true); // Opera will not run \"load\" event if file is already cached\n      } catch (err1) {\n        useFallback();\n      }\n    } else {\n      const parser = new DOMParser();\n      $.ajax({\n        url: file,\n        dataType: 'string',\n        success (data) {\n          if (!data) {\n            $(useFallback);\n            return;\n          }\n          svgdoc = parser.parseFromString(data, 'text/xml');\n          $(function () {\n            getIcons('ajax');\n          });\n        },\n        error (err) {\n          // TODO: Fix Opera widget icon bug\n          if (window.opera) {\n            $(function () {\n              useFallback();\n            });\n          } else {\n            if (err.responseText) {\n              svgdoc = parser.parseFromString(err.responseText, 'text/xml');\n\n              if (!svgdoc.childNodes.length) {\n                $(useFallback);\n              }\n              $(function () {\n                getIcons('ajax');\n              });\n            } else {\n              $(useFallback);\n            }\n          }\n        }\n      });\n    }\n\n    function getIcons (evt, noWait) {\n      if (evt !== 'ajax') {\n        if (dataLoaded) return;\n        // Webkit sometimes says svgdoc is undefined, other times\n        // it fails to load all nodes. Thus we must make sure the \"eof\"\n        // element is loaded.\n        svgdoc = dataEl[0].contentDocument; // Needed again for Webkit\n        const isReady = (svgdoc && svgdoc.getElementById('svg_eof'));\n        if (!isReady && !(noWait && isReady)) {\n          loadAttempts++;\n          if (loadAttempts < 50) {\n            setTimeout(getIcons, 20);\n          } else {\n            useFallback();\n            dataLoaded = true;\n          }\n          return;\n        }\n        dataLoaded = true;\n      }\n\n      elems = $(svgdoc.firstChild).children(); // .getElementsByTagName('foreignContent');\n\n      if (!opts.no_img) {\n        const testSrc = dataPre + 'PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNzUiIGhlaWdodD0iMjc1Ij48L3N2Zz4%3D';\n\n        testImg = $(new Image()).attr({\n          src: testSrc,\n          width: 0,\n          height: 0\n        }).appendTo('body')\n          .load(function () {\n            // Safari 4 crashes, Opera and Chrome don't\n            makeIcons(true);\n          }).error(function () {\n            makeIcons();\n          });\n      } else {\n        setTimeout(function () {\n          if (!iconsMade) makeIcons();\n        }, 500);\n      }\n    }\n\n    function setIcon (target, icon, id, setID) {\n      if (isOpera) icon.css('visibility', 'hidden');\n      if (opts.replace) {\n        if (setID) icon.attr('id', id);\n        const cl = target.attr('class');\n        if (cl) icon.attr('class', 'svg_icon ' + cl);\n        target.replaceWith(icon);\n      } else {\n        target.append(icon);\n      }\n      if (isOpera) {\n        setTimeout(function () {\n          icon.removeAttr('style');\n        }, 1);\n      }\n    }\n\n    let holder;\n    function addIcon (icon, id) {\n      if (opts.id_match === undefined || opts.id_match !== false) {\n        setIcon(holder, icon, id, true);\n      }\n      svgIcons[id] = icon;\n    }\n\n    function makeIcons (toImage, fallback) {\n      if (iconsMade) return;\n      if (opts.no_img) toImage = false;\n\n      let tempHolder;\n      if (toImage) {\n        tempHolder = $(document.createElement('div'));\n        tempHolder.hide().appendTo('body');\n      }\n      if (fallback) {\n        const path = opts.fallback_path || '';\n        $.each(fallback, function (id, imgsrc) {\n          holder = $('#' + id);\n          const icon = $(new Image())\n            .attr({\n              class: 'svg_icon',\n              src: path + imgsrc,\n              width: iconW,\n              height: iconH,\n              alt: 'icon'\n            });\n\n          addIcon(icon, id);\n        });\n      } else {\n        const len = elems.length;\n        for (let i = 0; i < len; i++) {\n          const elem = elems[i];\n          const {id} = elem;\n          if (id === 'svg_eof') break;\n          holder = $('#' + id);\n          const svgroot = document.createElementNS(svgns, 'svg');\n          // Per https://www.w3.org/TR/xml-names11/#defaulting, the namespace for\n          // attributes should have no value.\n          svgroot.setAttributeNS(null, 'viewBox', [0, 0, iconW, iconH].join(' '));\n\n          let svg = elem.getElementsByTagNameNS(svgns, 'svg')[0];\n\n          // Make flexible by converting width/height to viewBox\n          const w = svg.getAttribute('width');\n          const h = svg.getAttribute('height');\n          svg.removeAttribute('width');\n          svg.removeAttribute('height');\n\n          const vb = svg.getAttribute('viewBox');\n          if (!vb) {\n            svg.setAttribute('viewBox', [0, 0, w, h].join(' '));\n          }\n\n          // Not using jQuery to be a bit faster\n          svgroot.setAttribute('xmlns', svgns);\n          svgroot.setAttribute('width', iconW);\n          svgroot.setAttribute('height', iconH);\n          svgroot.setAttribute('xmlns:xlink', xlinkns);\n          svgroot.setAttribute('class', 'svg_icon');\n\n          // Without cloning, Firefox will make another GET request.\n          // With cloning, causes issue in Opera/Win/Non-EN\n          if (!isOpera) svg = svg.cloneNode(true);\n\n          svgroot.append(svg);\n\n          let icon;\n          if (toImage) {\n            tempHolder.empty().append(svgroot);\n            const str = dataPre + encode64(unescape(encodeURIComponent(new XMLSerializer().serializeToString(svgroot))));\n            icon = $(new Image())\n              .attr({class: 'svg_icon', src: str});\n          } else {\n            icon = fixIDs($(svgroot), i);\n          }\n          addIcon(icon, id);\n        }\n      }\n\n      if (opts.placement) {\n        $.each(opts.placement, function (sel, id) {\n          if (!svgIcons[id]) return;\n          $(sel).each(function (i) {\n            let copy = svgIcons[id].clone();\n            if (i > 0 && !toImage) copy = fixIDs(copy, i, true);\n            setIcon($(this), copy, id);\n          });\n        });\n      }\n      if (!fallback) {\n        if (toImage) tempHolder.remove();\n        if (dataEl) dataEl.remove();\n        if (testImg) testImg.remove();\n      }\n      if (opts.resize) $.resizeSvgIcons(opts.resize);\n      iconsMade = true;\n\n      if (opts.callback) opts.callback(svgIcons);\n    }\n\n    fixIDs = function (svgEl, svgNum, force) {\n      const defs = svgEl.find('defs');\n      if (!defs.length) return svgEl;\n\n      let idElems;\n      if (isOpera) {\n        idElems = defs.find('*').filter(function () {\n          return !!this.id;\n        });\n      } else {\n        idElems = defs.find('[id]');\n      }\n\n      const allElems = svgEl[0].getElementsByTagName('*'), len = allElems.length;\n\n      idElems.each(function (i) {\n        const {id} = this;\n        /*\n        const noDupes = ($(svgdoc).find('#' + id).length <= 1);\n        if (isOpera) noDupes = false; // Opera didn't clone svgEl, so not reliable\n        if(!force && noDupes) return;\n        */\n        const newId = 'x' + id + svgNum + i;\n        this.id = newId;\n\n        const oldVal = 'url(#' + id + ')';\n        const newVal = 'url(#' + newId + ')';\n\n        // Selector method, possibly faster but fails in Opera / jQuery 1.4.3\n        //  svgEl.find('[fill=\"url(#' + id + ')\"]').each(function() {\n        //    this.setAttribute('fill', 'url(#' + newId + ')');\n        //  }).end().find('[stroke=\"url(#' + id + ')\"]').each(function() {\n        //    this.setAttribute('stroke', 'url(#' + newId + ')');\n        //  }).end().find('use').each(function() {\n        //    if(this.getAttribute('xlink:href') == '#' + id) {\n        //      this.setAttributeNS(xlinkns,'href','#' + newId);\n        //    }\n        //  }).end().find('[filter=\"url(#' + id + ')\"]').each(function() {\n        //    this.setAttribute('filter', 'url(#' + newId + ')');\n        //  });\n\n        for (i = 0; i < len; i++) {\n          const elem = allElems[i];\n          if (elem.getAttribute('fill') === oldVal) {\n            elem.setAttribute('fill', newVal);\n          }\n          if (elem.getAttribute('stroke') === oldVal) {\n            elem.setAttribute('stroke', newVal);\n          }\n          if (elem.getAttribute('filter') === oldVal) {\n            elem.setAttribute('filter', newVal);\n          }\n        }\n      });\n      return svgEl;\n    };\n\n    function useFallback () {\n      if (file.includes('.svgz')) {\n        const regFile = file.replace('.svgz', '.svg');\n        if (window.console) {\n          console.log('.svgz failed, trying with .svg');\n        }\n        $.svgIcons(regFile, opts);\n      } else if (opts.fallback) {\n        makeIcons(false, opts.fallback);\n      }\n    }\n\n    function encode64 (input) {\n      // base64 strings are 4/3 larger than the original string\n      if (window.btoa) return window.btoa(input);\n      const _keyStr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n      const output = new Array(Math.floor((input.length + 2) / 3) * 4);\n\n      let i = 0, p = 0;\n      do {\n        const chr1 = input.charCodeAt(i++);\n        const chr2 = input.charCodeAt(i++);\n        const chr3 = input.charCodeAt(i++);\n\n        const enc1 = chr1 >> 2;\n        const enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);\n\n        let enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);\n        let enc4 = chr3 & 63;\n        if (isNaN(chr2)) {\n          enc3 = enc4 = 64;\n        } else if (isNaN(chr3)) {\n          enc4 = 64;\n        }\n\n        output[p++] = _keyStr.charAt(enc1);\n        output[p++] = _keyStr.charAt(enc2);\n        output[p++] = _keyStr.charAt(enc3);\n        output[p++] = _keyStr.charAt(enc4);\n      } while (i < input.length);\n\n      return output.join('');\n    }\n  };\n\n  /**\n  * @function external:jQuery.getSvgIcon\n  * @param {string} id\n  * @param {boolean} uniqueClone Whether to clone\n  * @returns {external:jQuery} The icon (optionally cloned)\n  */\n  $.getSvgIcon = function (id, uniqueClone) {\n    let icon = svgIcons[id];\n    if (uniqueClone && icon) {\n      icon = fixIDs(icon, 0, true).clone(true);\n    }\n    return icon;\n  };\n\n  /**\n  * @typedef {GenericArray} module:jQuerySVGIcons.Dimensions\n  * @property {Integer} length 2\n  * @property {Float} 0 Width\n  * @property {Float} 1 Height\n  */\n\n  /**\n  * If a Float is used, it will represent width and height. Arrays contain the width and height.\n  * @typedef {module:jQuerySVGIcons.Dimensions|Float} module:jQuerySVGIcons.Size\n  */\n\n  /**\n  * @function external:jQuery.resizeSvgIcons\n  * @param {PlainObject.<string, module:jQuerySVGIcons.Size>} obj Object with selectors as keys. The values are sizes.\n  * @returns {undefined}\n  */\n  $.resizeSvgIcons = function (obj) {\n    // FF2 and older don't detect .svg_icon, so we change it detect svg elems instead\n    const changeSel = !$('.svg_icon:first').length;\n    $.each(obj, function (sel, size) {\n      const arr = Array.isArray(size);\n      const w = arr ? size[0] : size,\n        h = arr ? size[1] : size;\n      if (changeSel) {\n        sel = sel.replace(/\\.svg_icon/g, 'svg');\n      }\n      $(sel).each(function () {\n        this.setAttribute('width', w);\n        this.setAttribute('height', h);\n        if (window.opera && window.widget) {\n          this.parentNode.style.width = w + 'px';\n          this.parentNode.style.height = h + 'px';\n        }\n      });\n    });\n  };\n  return $;\n}\n","/**\n * jGraduate 0.4\n *\n * jQuery Plugin for a gradient picker\n *\n * @module jGraduate\n * @copyright 2010 Jeff Schiller {@link http://blog.codedread.com/}, 2010 Alexis Deveria {@link http://a.deveria.com/}\n *\n * @license Apache-2.0\n * @example\n * // The Paint object is described below.\n * $.jGraduate.Paint() // constructs a 'none' color\n * @example $.jGraduate.Paint({copy: o}) // creates a copy of the paint o\n * @example $.jGraduate.Paint({hex: '#rrggbb'}) // creates a solid color paint with hex = \"#rrggbb\"\n * @example $.jGraduate.Paint({linearGradient: o, a: 50}) // creates a linear gradient paint with opacity=0.5\n * @example $.jGraduate.Paint({radialGradient: o, a: 7}) // creates a radial gradient paint with opacity=0.07\n * @example $.jGraduate.Paint({hex: '#rrggbb', linearGradient: o}) // throws an exception?\n *\n*/\n\n/**\n  * The jQuery namespace.\n  * @external jQuery\n*/\n/**\n * The jQuery plugin namespace.\n * @namespace {PlainObject} fn\n * @memberof external:jQuery\n * @see {@link http://learn.jquery.com/plugins/|jQuery Plugins}\n */\n\nconst ns = {\n  svg: 'http://www.w3.org/2000/svg',\n  xlink: 'http://www.w3.org/1999/xlink'\n};\n\nif (!window.console) {\n  window.console = {\n    log (str) {},\n    dir (str) {}\n  };\n}\n\n/**\n* Adds {@link external:jQuery.jGraduate.Paint}, {@link external:jQuery.fn.jGraduateDefaults}, {@link external:jQuery.fn.jGraduate}\n* @function module:jGraduate.jGraduate\n* @param {external:jQuery} $ The jQuery instance to wrap\n* @returns {external:jQuery}\n*/\nexport default function ($) {\n  if (!$.loadingStylesheets) {\n    $.loadingStylesheets = [];\n  }\n  const stylesheet = 'jgraduate/css/jGraduate.css';\n  if (!$.loadingStylesheets.includes(stylesheet)) {\n    $.loadingStylesheets.push(stylesheet);\n  }\n\n  /**\n  * @typedef {PlainObject} module:jGraduate.jGraduatePaintOptions\n  * @param {Float} [alpha]\n  * @param {module:jGraduate~Paint} [copy] Copy paint object\n  * @param {SVGLinearGradientElement} [linearGradient]\n  * @param {SVGRadialGradientElement} [radialGradient]\n  * @param {string} [solidColor]\n  */\n\n  /**\n  * @memberof module:jGraduate~\n  */\n  class Paint {\n    /**\n     * @param {module:jGraduate.jGraduatePaintOptions} [opt]\n    */\n    constructor (opt) {\n      const options = opt || {};\n      this.alpha = isNaN(options.alpha) ? 100 : options.alpha;\n      // copy paint object\n      if (options.copy) {\n        /**\n         * @name module:jGraduate~Paint#type\n         * @type {\"none\"|\"solidColor\"|\"linearGradient\"|\"radialGradient\"}\n         */\n        this.type = options.copy.type;\n        /**\n         * Represents opacity (0-100)\n         * @name module:jGraduate~Paint#alpha\n         * @type {Float}\n         */\n        this.alpha = options.copy.alpha;\n        /**\n         * Represents #RRGGBB hex of color\n         * @name module:jGraduate~Paint#solidColor\n         * @type {string}\n         */\n        this.solidColor = null;\n        /**\n         * @name module:jGraduate~Paint#linearGradient\n         * @type {SVGLinearGradientElement}\n         */\n        this.linearGradient = null;\n        /**\n         * @name module:jGraduate~Paint#radialGradient\n         * @type {SVGRadialGradientElement}\n         */\n        this.radialGradient = null;\n\n        switch (this.type) {\n        case 'none':\n          break;\n        case 'solidColor':\n          this.solidColor = options.copy.solidColor;\n          break;\n        case 'linearGradient':\n          this.linearGradient = options.copy.linearGradient.cloneNode(true);\n          break;\n        case 'radialGradient':\n          this.radialGradient = options.copy.radialGradient.cloneNode(true);\n          break;\n        }\n      // create linear gradient paint\n      } else if (options.linearGradient) {\n        this.type = 'linearGradient';\n        this.solidColor = null;\n        this.radialGradient = null;\n        this.linearGradient = options.linearGradient.cloneNode(true);\n      // create linear gradient paint\n      } else if (options.radialGradient) {\n        this.type = 'radialGradient';\n        this.solidColor = null;\n        this.linearGradient = null;\n        this.radialGradient = options.radialGradient.cloneNode(true);\n      // create solid color paint\n      } else if (options.solidColor) {\n        this.type = 'solidColor';\n        this.solidColor = options.solidColor;\n      // create empty paint\n      } else {\n        this.type = 'none';\n        this.solidColor = null;\n        this.linearGradient = null;\n        this.radialGradient = null;\n      }\n    }\n  }\n  /**\n  * @namespace {PlainObject} jGraduate\n  * @memberof external:jQuery\n  */\n  $.jGraduate = /** @lends external:jQuery.jGraduate */ {\n    /**\n    * @class external:jQuery.jGraduate.Paint\n    * @see module:jGraduate~Paint\n    */\n    Paint\n  };\n\n  // JSDoc doesn't show this as belonging to our `module:jGraduate.Options` type,\n  //   so we use `@see`\n  /**\n  * @namespace {module:jGraduate.Options} jGraduateDefaults\n  * @memberof external:jQuery.fn\n  */\n  $.fn.jGraduateDefaults = /** @lends external:jQuery.fn.jGraduateDefaults */ {\n    /**\n    * Creates an object with a 'none' color\n    * @type {external:jQuery.jGraduate.Paint}\n    * @see module:jGraduate.Options\n    */\n    paint: new $.jGraduate.Paint(),\n    /**\n    * @namespace\n    */\n    window: {\n      /**\n      * @type {string}\n      * @see module:jGraduate.Options\n      */\n      pickerTitle: 'Drag markers to pick a paint'\n    },\n    /**\n    * @namespace\n    */\n    images: {\n      /**\n      * @type {string}\n      * @see module:jGraduate.Options\n      */\n      clientPath: 'images/'\n    },\n    /**\n    * @type {string}\n    * @see module:jGraduate.Options\n    */\n    newstop: 'inverse' // same, inverse, black, white\n  };\n\n  const isGecko = navigator.userAgent.includes('Gecko/');\n\n  function setAttrs (elem, attrs) {\n    if (isGecko) {\n      for (const aname in attrs) elem.setAttribute(aname, attrs[aname]);\n    } else {\n      for (const aname in attrs) {\n        const val = attrs[aname], prop = elem[aname];\n        if (prop && prop.constructor === 'SVGLength') {\n          prop.baseVal.value = val;\n        } else {\n          elem.setAttribute(aname, val);\n        }\n      }\n    }\n  }\n\n  function mkElem (name, attrs, newparent) {\n    const elem = document.createElementNS(ns.svg, name);\n    setAttrs(elem, attrs);\n    if (newparent) {\n      newparent.append(elem);\n    }\n    return elem;\n  }\n\n  /**\n  * @typedef {PlainObject} module:jGraduate.ColorOpac Object may have one or both values\n  * @property {string} [color] #Hex color\n  * @property {Float} [opac] 0-1\n  */\n  /**\n  * @typedef {PlainObject} module:jGraduate.Options\n  * @property {module:jGraduate~Paint} [paint] A Paint object object describing the paint to display initially; defaults to a new instance without options (defaults to opaque white)\n  * @property {external:Window} [window]\n  * @property {string} [window.pickerTitle='Drag markers to pick a paint']\n  * @property {PlainObject} [images]\n  * @property {string} [images.clientPath='images/']\n  * @property {\"same\"|\"inverse\"|\"black\"|\"white\"|module:jGraduate.ColorOpac} [newstop=\"inverse\"]\n  */\n\n  /**\n  * @callback external:jQuery.fn.jGraduate.OkCallback\n  * @param {external:jQuery.jGraduate.Paint} paint\n  * @returns {undefined}\n  */\n  /**\n  * @callback external:jQuery.fn.jGraduate.CancelCallback\n  * @returns {undefined}\n  */\n\n  /**\n  * @function external:jQuery.fn.jGraduate\n  * @param {module:jGraduate.Options} [options]\n  * @param {external:jQuery.fn.jGraduate.OkCallback} [okCallback] Called with a Paint object when Ok is pressed\n  * @param {external:jQuery.fn.jGraduate.CancelCallback} [cancelCallback] Called with no arguments when Cancel is pressed\n  * @returns {external:jQuery}\n  */\n  $.fn.jGraduate = function (options, okCallback, cancelCallback) {\n    return this.each(function () {\n      const $this = $(this),\n        $settings = $.extend(true, {}, $.fn.jGraduateDefaults, options || {}),\n        id = $this.attr('id'),\n        idref = '#' + $this.attr('id') + ' ';\n\n      if (!idref) {\n        alert('Container element must have an id attribute to maintain unique id strings for sub-elements.');\n        return;\n      }\n\n      const okClicked = function () {\n        switch ($this.paint.type) {\n        case 'radialGradient':\n          $this.paint.linearGradient = null;\n          break;\n        case 'linearGradient':\n          $this.paint.radialGradient = null;\n          break;\n        case 'solidColor':\n          $this.paint.radialGradient = $this.paint.linearGradient = null;\n          break;\n        }\n        typeof $this.okCallback === 'function' && $this.okCallback($this.paint);\n        $this.hide();\n      };\n      const cancelClicked = function () {\n        typeof $this.cancelCallback === 'function' && $this.cancelCallback();\n        $this.hide();\n      };\n\n      $.extend(true, $this, { // public properties, methods, and callbacks\n        // make a copy of the incoming paint\n        paint: new $.jGraduate.Paint({copy: $settings.paint}),\n        okCallback: typeof okCallback === 'function' ? okCallback : null,\n        cancelCallback: typeof cancelCallback === 'function' ? cancelCallback : null\n      });\n\n      let // pos = $this.position(),\n        color = null;\n      const $win = $(window);\n\n      if ($this.paint.type === 'none') {\n        $this.paint = new $.jGraduate.Paint({solidColor: 'ffffff'});\n      }\n\n      $this.addClass('jGraduate_Picker');\n      $this.html(\n        '<ul class=\"jGraduate_tabs\">' +\n          '<li class=\"jGraduate_tab_color jGraduate_tab_current\" data-type=\"col\">Solid Color</li>' +\n          '<li class=\"jGraduate_tab_lingrad\" data-type=\"lg\">Linear Gradient</li>' +\n          '<li class=\"jGraduate_tab_radgrad\" data-type=\"rg\">Radial Gradient</li>' +\n        '</ul>' +\n        '<div class=\"jGraduate_colPick\"></div>' +\n        '<div class=\"jGraduate_gradPick\"></div>' +\n        '<div class=\"jGraduate_LightBox\"></div>' +\n        '<div id=\"' + id + '_jGraduate_stopPicker\" class=\"jGraduate_stopPicker\"></div>'\n      );\n      const colPicker = $(idref + '> .jGraduate_colPick');\n      const gradPicker = $(idref + '> .jGraduate_gradPick');\n\n      gradPicker.html(\n        '<div id=\"' + id + '_jGraduate_Swatch\" class=\"jGraduate_Swatch\">' +\n          '<h2 class=\"jGraduate_Title\">' + $settings.window.pickerTitle + '</h2>' +\n          '<div id=\"' + id + '_jGraduate_GradContainer\" class=\"jGraduate_GradContainer\"></div>' +\n          '<div id=\"' + id + '_jGraduate_StopSlider\" class=\"jGraduate_StopSlider\"></div>' +\n        '</div>' +\n        '<div class=\"jGraduate_Form jGraduate_Points jGraduate_lg_field\">' +\n          '<div class=\"jGraduate_StopSection\">' +\n            '<label class=\"jGraduate_Form_Heading\">Begin Point</label>' +\n            '<div class=\"jGraduate_Form_Section\">' +\n              '<label>x:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_x1\" size=\"3\" title=\"Enter starting x value between 0.0 and 1.0\"/>' +\n              '<label>y:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_y1\" size=\"3\" title=\"Enter starting y value between 0.0 and 1.0\"/>' +\n            '</div>' +\n          '</div>' +\n          '<div class=\"jGraduate_StopSection\">' +\n            '<label class=\"jGraduate_Form_Heading\">End Point</label>' +\n            '<div class=\"jGraduate_Form_Section\">' +\n              '<label>x:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_x2\" size=\"3\" title=\"Enter ending x value between 0.0 and 1.0\"/>' +\n              '<label>y:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_y2\" size=\"3\" title=\"Enter ending y value between 0.0 and 1.0\"/>' +\n            '</div>' +\n          '</div>' +\n        '</div>' +\n        '<div class=\"jGraduate_Form jGraduate_Points jGraduate_rg_field\">' +\n          '<div class=\"jGraduate_StopSection\">' +\n            '<label class=\"jGraduate_Form_Heading\">Center Point</label>' +\n            '<div class=\"jGraduate_Form_Section\">' +\n              '<label>x:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_cx\" size=\"3\" title=\"Enter x value between 0.0 and 1.0\"/>' +\n              '<label>y:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_cy\" size=\"3\" title=\"Enter y value between 0.0 and 1.0\"/>' +\n            '</div>' +\n          '</div>' +\n          '<div class=\"jGraduate_StopSection\">' +\n            '<label class=\"jGraduate_Form_Heading\">Focal Point</label>' +\n            '<div class=\"jGraduate_Form_Section\">' +\n              '<label>Match center: <input type=\"checkbox\" checked=\"checked\" id=\"' + id + '_jGraduate_match_ctr\"/></label><br/>' +\n              '<label>x:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_fx\" size=\"3\" title=\"Enter x value between 0.0 and 1.0\"/>' +\n              '<label>y:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_fy\" size=\"3\" title=\"Enter y value between 0.0 and 1.0\"/>' +\n            '</div>' +\n          '</div>' +\n        '</div>' +\n        '<div class=\"jGraduate_StopSection jGraduate_SpreadMethod\">' +\n          '<label class=\"jGraduate_Form_Heading\">Spread method</label>' +\n          '<div class=\"jGraduate_Form_Section\">' +\n            '<select class=\"jGraduate_spreadMethod\">' +\n              '<option value=pad selected>Pad</option>' +\n              '<option value=reflect>Reflect</option>' +\n              '<option value=repeat>Repeat</option>' +\n            '</select>' +\n          '</div>' +\n        '</div>' +\n        '<div class=\"jGraduate_Form\">' +\n          '<div class=\"jGraduate_Slider jGraduate_RadiusField jGraduate_rg_field\">' +\n            '<label class=\"prelabel\">Radius:</label>' +\n            '<div id=\"' + id + '_jGraduate_Radius\" class=\"jGraduate_SliderBar jGraduate_Radius\" title=\"Click to set radius\">' +\n              '<img id=\"' + id + '_jGraduate_RadiusArrows\" class=\"jGraduate_RadiusArrows\" src=\"' + $settings.images.clientPath + 'rangearrows2.gif\">' +\n            '</div>' +\n            '<label><input type=\"text\" id=\"' + id + '_jGraduate_RadiusInput\" size=\"3\" value=\"100\"/>%</label>' +\n          '</div>' +\n          '<div class=\"jGraduate_Slider jGraduate_EllipField jGraduate_rg_field\">' +\n            '<label class=\"prelabel\">Ellip:</label>' +\n            '<div id=\"' + id + '_jGraduate_Ellip\" class=\"jGraduate_SliderBar jGraduate_Ellip\" title=\"Click to set Ellip\">' +\n              '<img id=\"' + id + '_jGraduate_EllipArrows\" class=\"jGraduate_EllipArrows\" src=\"' + $settings.images.clientPath + 'rangearrows2.gif\">' +\n            '</div>' +\n            '<label><input type=\"text\" id=\"' + id + '_jGraduate_EllipInput\" size=\"3\" value=\"0\"/>%</label>' +\n          '</div>' +\n          '<div class=\"jGraduate_Slider jGraduate_AngleField jGraduate_rg_field\">' +\n            '<label class=\"prelabel\">Angle:</label>' +\n            '<div id=\"' + id + '_jGraduate_Angle\" class=\"jGraduate_SliderBar jGraduate_Angle\" title=\"Click to set Angle\">' +\n              '<img id=\"' + id + '_jGraduate_AngleArrows\" class=\"jGraduate_AngleArrows\" src=\"' + $settings.images.clientPath + 'rangearrows2.gif\">' +\n            '</div>' +\n            '<label><input type=\"text\" id=\"' + id + '_jGraduate_AngleInput\" size=\"3\" value=\"0\"/>deg</label>' +\n          '</div>' +\n          '<div class=\"jGraduate_Slider jGraduate_OpacField\">' +\n            '<label class=\"prelabel\">Opac:</label>' +\n            '<div id=\"' + id + '_jGraduate_Opac\" class=\"jGraduate_SliderBar jGraduate_Opac\" title=\"Click to set Opac\">' +\n              '<img id=\"' + id + '_jGraduate_OpacArrows\" class=\"jGraduate_OpacArrows\" src=\"' + $settings.images.clientPath + 'rangearrows2.gif\">' +\n            '</div>' +\n            '<label><input type=\"text\" id=\"' + id + '_jGraduate_OpacInput\" size=\"3\" value=\"100\"/>%</label>' +\n          '</div>' +\n        '</div>' +\n        '<div class=\"jGraduate_OkCancel\">' +\n          '<input type=\"button\" id=\"' + id + '_jGraduate_Ok\" class=\"jGraduate_Ok\" value=\"OK\"/>' +\n          '<input type=\"button\" id=\"' + id + '_jGraduate_Cancel\" class=\"jGraduate_Cancel\" value=\"Cancel\"/>' +\n        '</div>');\n\n      // --------------\n      // Set up all the SVG elements (the gradient, stops and rectangle)\n      const MAX = 256,\n        MARGINX = 0,\n        MARGINY = 0,\n        // STOP_RADIUS = 15 / 2,\n        SIZEX = MAX - 2 * MARGINX,\n        SIZEY = MAX - 2 * MARGINY;\n\n      const attrInput = {};\n\n      const SLIDERW = 145;\n      $('.jGraduate_SliderBar').width(SLIDERW);\n\n      const container = $('#' + id + '_jGraduate_GradContainer')[0];\n\n      const svg = mkElem('svg', {\n        id: id + '_jgraduate_svg',\n        width: MAX,\n        height: MAX,\n        xmlns: ns.svg\n      }, container);\n\n      // This wasn't working as designed\n      // let curType;\n      // curType = curType || $this.paint.type;\n\n      // if we are sent a gradient, import it\n      let curType = $this.paint.type;\n\n      let grad = $this.paint[curType];\n      let curGradient = grad;\n\n      const gradalpha = $this.paint.alpha;\n\n      const isSolid = curType === 'solidColor';\n\n      // Make any missing gradients\n      switch (curType) {\n      case 'solidColor':\n        // fall through\n      case 'linearGradient':\n        if (!isSolid) {\n          curGradient.id = id + '_lg_jgraduate_grad';\n          grad = curGradient = svg.appendChild(curGradient); // .cloneNode(true));\n        }\n        mkElem('radialGradient', {\n          id: id + '_rg_jgraduate_grad'\n        }, svg);\n        if (curType === 'linearGradient') { break; }\n        // fall through\n      case 'radialGradient':\n        if (!isSolid) {\n          curGradient.id = id + '_rg_jgraduate_grad';\n          grad = curGradient = svg.appendChild(curGradient); // .cloneNode(true));\n        }\n        mkElem('linearGradient', {\n          id: id + '_lg_jgraduate_grad'\n        }, svg);\n      }\n\n      let stopGroup; // eslint-disable-line prefer-const\n      if (isSolid) {\n        grad = curGradient = $('#' + id + '_lg_jgraduate_grad')[0];\n        color = $this.paint[curType];\n        mkStop(0, '#' + color, 1);\n\n        const type = typeof $settings.newstop;\n\n        if (type === 'string') {\n          switch ($settings.newstop) {\n          case 'same':\n            mkStop(1, '#' + color, 1);\n            break;\n\n          case 'inverse':\n            // Invert current color for second stop\n            let inverted = '';\n            for (let i = 0; i < 6; i += 2) {\n              // const ch = color.substr(i, 2);\n              let inv = (255 - parseInt(color.substr(i, 2), 16)).toString(16);\n              if (inv.length < 2) inv = 0 + inv;\n              inverted += inv;\n            }\n            mkStop(1, '#' + inverted, 1);\n            break;\n\n          case 'white':\n            mkStop(1, '#ffffff', 1);\n            break;\n\n          case 'black':\n            mkStop(1, '#000000', 1);\n            break;\n          }\n        } else if (type === 'object') {\n          const opac = ('opac' in $settings.newstop) ? $settings.newstop.opac : 1;\n          mkStop(1, ($settings.newstop.color || '#' + color), opac);\n        }\n      }\n\n      const x1 = parseFloat(grad.getAttribute('x1') || 0.0),\n        y1 = parseFloat(grad.getAttribute('y1') || 0.0),\n        x2 = parseFloat(grad.getAttribute('x2') || 1.0),\n        y2 = parseFloat(grad.getAttribute('y2') || 0.0);\n\n      const cx = parseFloat(grad.getAttribute('cx') || 0.5),\n        cy = parseFloat(grad.getAttribute('cy') || 0.5),\n        fx = parseFloat(grad.getAttribute('fx') || cx),\n        fy = parseFloat(grad.getAttribute('fy') || cy);\n\n      const previewRect = mkElem('rect', {\n        id: id + '_jgraduate_rect',\n        x: MARGINX,\n        y: MARGINY,\n        width: SIZEX,\n        height: SIZEY,\n        fill: 'url(#' + id + '_jgraduate_grad)',\n        'fill-opacity': gradalpha / 100\n      }, svg);\n\n      // stop visuals created here\n      const beginCoord = $('<div/>').attr({\n        class: 'grad_coord jGraduate_lg_field',\n        title: 'Begin Stop'\n      }).text(1).css({\n        top: y1 * MAX,\n        left: x1 * MAX\n      }).data('coord', 'start').appendTo(container);\n\n      const endCoord = beginCoord.clone().text(2).css({\n        top: y2 * MAX,\n        left: x2 * MAX\n      }).attr('title', 'End stop').data('coord', 'end').appendTo(container);\n\n      const centerCoord = $('<div/>').attr({\n        class: 'grad_coord jGraduate_rg_field',\n        title: 'Center stop'\n      }).text('C').css({\n        top: cy * MAX,\n        left: cx * MAX\n      }).data('coord', 'center').appendTo(container);\n\n      const focusCoord = centerCoord.clone().text('F').css({\n        top: fy * MAX,\n        left: fx * MAX,\n        display: 'none'\n      }).attr('title', 'Focus point').data('coord', 'focus').appendTo(container);\n\n      focusCoord[0].id = id + '_jGraduate_focusCoord';\n\n      // const coords = $(idref + ' .grad_coord');\n\n      // $(container).hover(function () {\n      //   coords.animate({\n      //     opacity: 1\n      //   }, 500);\n      // }, function () {\n      //   coords.animate({\n      //     opacity: .2\n      //   }, 500);\n      // });\n\n      let showFocus;\n      $.each(['x1', 'y1', 'x2', 'y2', 'cx', 'cy', 'fx', 'fy'], function (i, attr) {\n        const isRadial = isNaN(attr[1]);\n\n        let attrval = curGradient.getAttribute(attr);\n        if (!attrval) {\n          // Set defaults\n          if (isRadial) {\n            // For radial points\n            attrval = '0.5';\n          } else {\n            // Only x2 is 1\n            attrval = attr === 'x2' ? '1.0' : '0.0';\n          }\n        }\n\n        attrInput[attr] = $('#' + id + '_jGraduate_' + attr)\n          .val(attrval)\n          .change(function () {\n            // TODO: Support values < 0 and > 1 (zoomable preview?)\n            if (isNaN(parseFloat(this.value)) || this.value < 0) {\n              this.value = 0.0;\n            } else if (this.value > 1) {\n              this.value = 1.0;\n            }\n\n            if (!(attr[0] === 'f' && !showFocus)) {\n              if ((isRadial && curType === 'radialGradient') || (!isRadial && curType === 'linearGradient')) {\n                curGradient.setAttribute(attr, this.value);\n              }\n            }\n\n            const $elem = isRadial\n              ? attr[0] === 'c' ? centerCoord : focusCoord\n              : attr[1] === '1' ? beginCoord : endCoord;\n\n            const cssName = attr.includes('x') ? 'left' : 'top';\n\n            $elem.css(cssName, this.value * MAX);\n          }).change();\n      });\n\n      function mkStop (n, color, opac, sel, stopElem) {\n        const stop = stopElem || mkElem('stop', {'stop-color': color, 'stop-opacity': opac, offset: n}, curGradient);\n        if (stopElem) {\n          color = stopElem.getAttribute('stop-color');\n          opac = stopElem.getAttribute('stop-opacity');\n          n = stopElem.getAttribute('offset');\n        } else {\n          curGradient.append(stop);\n        }\n        if (opac === null) opac = 1;\n\n        const pickerD = 'M-6.2,0.9c3.6-4,6.7-4.3,6.7-12.4c-0.2,7.9,3.1,8.8,6.5,12.4c3.5,3.8,2.9,9.6,0,12.3c-3.1,2.8-10.4,2.7-13.2,0C-9.6,9.9-9.4,4.4-6.2,0.9z';\n\n        const pathbg = mkElem('path', {\n          d: pickerD,\n          fill: 'url(#jGraduate_trans)',\n          transform: 'translate(' + (10 + n * MAX) + ', 26)'\n        }, stopGroup);\n\n        const path = mkElem('path', {\n          d: pickerD,\n          fill: color,\n          'fill-opacity': opac,\n          transform: 'translate(' + (10 + n * MAX) + ', 26)',\n          stroke: '#000',\n          'stroke-width': 1.5\n        }, stopGroup);\n\n        $(path).mousedown(function (e) {\n          selectStop(this);\n          drag = curStop;\n          $win.mousemove(dragColor).mouseup(remDrags);\n          stopOffset = stopMakerDiv.offset();\n          e.preventDefault();\n          return false;\n        }).data('stop', stop).data('bg', pathbg).dblclick(function () {\n          $('div.jGraduate_LightBox').show();\n          const colorhandle = this;\n          let stopOpacity = +stop.getAttribute('stop-opacity') || 1;\n          let stopColor = stop.getAttribute('stop-color') || 1;\n          let thisAlpha = (parseFloat(stopOpacity) * 255).toString(16);\n          while (thisAlpha.length < 2) { thisAlpha = '0' + thisAlpha; }\n          color = stopColor.substr(1) + thisAlpha;\n          $('#' + id + '_jGraduate_stopPicker').css({left: 100, bottom: 15}).jPicker({\n            window: {title: 'Pick the start color and opacity for the gradient'},\n            images: {clientPath: $settings.images.clientPath},\n            color: {active: color, alphaSupport: true}\n          }, function (color, arg2) {\n            stopColor = color.val('hex') ? ('#' + color.val('hex')) : 'none';\n            stopOpacity = color.val('a') !== null ? color.val('a') / 256 : 1;\n            colorhandle.setAttribute('fill', stopColor);\n            colorhandle.setAttribute('fill-opacity', stopOpacity);\n            stop.setAttribute('stop-color', stopColor);\n            stop.setAttribute('stop-opacity', stopOpacity);\n            $('div.jGraduate_LightBox').hide();\n            $('#' + id + '_jGraduate_stopPicker').hide();\n          }, null, function () {\n            $('div.jGraduate_LightBox').hide();\n            $('#' + id + '_jGraduate_stopPicker').hide();\n          });\n        });\n\n        $(curGradient).find('stop').each(function () {\n          const curS = $(this);\n          if (+this.getAttribute('offset') > n) {\n            if (!color) {\n              const newcolor = this.getAttribute('stop-color');\n              const newopac = this.getAttribute('stop-opacity');\n              stop.setAttribute('stop-color', newcolor);\n              path.setAttribute('fill', newcolor);\n              stop.setAttribute('stop-opacity', newopac === null ? 1 : newopac);\n              path.setAttribute('fill-opacity', newopac === null ? 1 : newopac);\n            }\n            curS.before(stop);\n            return false;\n          }\n        });\n        if (sel) selectStop(path);\n        return stop;\n      }\n\n      function remStop () {\n        delStop.setAttribute('display', 'none');\n        const path = $(curStop);\n        const stop = path.data('stop');\n        const bg = path.data('bg');\n        $([curStop, stop, bg]).remove();\n      }\n\n      const stopMakerDiv = $('#' + id + '_jGraduate_StopSlider');\n\n      let stops, curStop, drag;\n\n      const delStop = mkElem('path', {\n        d: 'm9.75,-6l-19.5,19.5m0,-19.5l19.5,19.5',\n        fill: 'none',\n        stroke: '#D00',\n        'stroke-width': 5,\n        display: 'none'\n      }, undefined); // stopMakerSVG);\n\n      function selectStop (item) {\n        if (curStop) curStop.setAttribute('stroke', '#000');\n        item.setAttribute('stroke', 'blue');\n        curStop = item;\n        curStop.parentNode.append(curStop);\n        //   stops = $('stop');\n        //   opac_select.val(curStop.attr('fill-opacity') || 1);\n        //   root.append(delStop);\n      }\n\n      let stopOffset;\n\n      function remDrags () {\n        $win.unbind('mousemove', dragColor);\n        if (delStop.getAttribute('display') !== 'none') {\n          remStop();\n        }\n        drag = null;\n      }\n\n      let scaleX = 1, scaleY = 1, angle = 0;\n\n      let cX = cx;\n      let cY = cy;\n      function xform () {\n        const rot = angle ? 'rotate(' + angle + ',' + cX + ',' + cY + ') ' : '';\n        if (scaleX === 1 && scaleY === 1) {\n          curGradient.removeAttribute('gradientTransform');\n          // $('#ang').addClass('dis');\n        } else {\n          const x = -cX * (scaleX - 1);\n          const y = -cY * (scaleY - 1);\n          curGradient.setAttribute('gradientTransform', rot + 'translate(' + x + ',' + y + ') scale(' + scaleX + ',' + scaleY + ')');\n          // $('#ang').removeClass('dis');\n        }\n      }\n\n      function dragColor (evt) {\n        let x = evt.pageX - stopOffset.left;\n        const y = evt.pageY - stopOffset.top;\n        x = x < 10\n          ? 10\n          : x > MAX + 10\n            ? MAX + 10\n            : x;\n\n        const xfStr = 'translate(' + x + ', 26)';\n        if (y < -60 || y > 130) {\n          delStop.setAttribute('display', 'block');\n          delStop.setAttribute('transform', xfStr);\n        } else {\n          delStop.setAttribute('display', 'none');\n        }\n\n        drag.setAttribute('transform', xfStr);\n        $.data(drag, 'bg').setAttribute('transform', xfStr);\n        const stop = $.data(drag, 'stop');\n        const sX = (x - 10) / MAX;\n\n        stop.setAttribute('offset', sX);\n\n        let last = 0;\n        $(curGradient).find('stop').each(function (i) {\n          const cur = this.getAttribute('offset');\n          const t = $(this);\n          if (cur < last) {\n            t.prev().before(t);\n            stops = $(curGradient).find('stop');\n          }\n          last = cur;\n        });\n      }\n\n      const stopMakerSVG = mkElem('svg', {\n        width: '100%',\n        height: 45\n      }, stopMakerDiv[0]);\n\n      const transPattern = mkElem('pattern', {\n        width: 16,\n        height: 16,\n        patternUnits: 'userSpaceOnUse',\n        id: 'jGraduate_trans'\n      }, stopMakerSVG);\n\n      const transImg = mkElem('image', {\n        width: 16,\n        height: 16\n      }, transPattern);\n\n      const bgImage = $settings.images.clientPath + 'map-opacity.png';\n\n      transImg.setAttributeNS(ns.xlink, 'xlink:href', bgImage);\n\n      $(stopMakerSVG).click(function (evt) {\n        stopOffset = stopMakerDiv.offset();\n        const {target} = evt;\n        if (target.tagName === 'path') return;\n        let x = evt.pageX - stopOffset.left - 8;\n        x = x < 10 ? 10 : x > MAX + 10 ? MAX + 10 : x;\n        mkStop(x / MAX, 0, 0, true);\n        evt.stopPropagation();\n      });\n\n      $(stopMakerSVG).mouseover(function () {\n        stopMakerSVG.append(delStop);\n      });\n\n      stopGroup = mkElem('g', {}, stopMakerSVG);\n\n      mkElem('line', {\n        x1: 10,\n        y1: 15,\n        x2: MAX + 10,\n        y2: 15,\n        'stroke-width': 2,\n        stroke: '#000'\n      }, stopMakerSVG);\n\n      const spreadMethodOpt = gradPicker.find('.jGraduate_spreadMethod').change(function () {\n        curGradient.setAttribute('spreadMethod', $(this).val());\n      });\n\n      // handle dragging the stop around the swatch\n      let draggingCoord = null;\n\n      const onCoordDrag = function (evt) {\n        let x = evt.pageX - offset.left;\n        let y = evt.pageY - offset.top;\n\n        // clamp stop to the swatch\n        x = x < 0 ? 0 : x > MAX ? MAX : x;\n        y = y < 0 ? 0 : y > MAX ? MAX : y;\n\n        draggingCoord.css('left', x).css('top', y);\n\n        // calculate stop offset\n        const fracx = x / SIZEX;\n        const fracy = y / SIZEY;\n\n        const type = draggingCoord.data('coord');\n        const grad = curGradient;\n\n        switch (type) {\n        case 'start':\n          attrInput.x1.val(fracx);\n          attrInput.y1.val(fracy);\n          grad.setAttribute('x1', fracx);\n          grad.setAttribute('y1', fracy);\n          break;\n        case 'end':\n          attrInput.x2.val(fracx);\n          attrInput.y2.val(fracy);\n          grad.setAttribute('x2', fracx);\n          grad.setAttribute('y2', fracy);\n          break;\n        case 'center':\n          attrInput.cx.val(fracx);\n          attrInput.cy.val(fracy);\n          grad.setAttribute('cx', fracx);\n          grad.setAttribute('cy', fracy);\n          cX = fracx;\n          cY = fracy;\n          xform();\n          break;\n        case 'focus':\n          attrInput.fx.val(fracx);\n          attrInput.fy.val(fracy);\n          grad.setAttribute('fx', fracx);\n          grad.setAttribute('fy', fracy);\n          xform();\n        }\n\n        evt.preventDefault();\n      };\n\n      const onCoordUp = function () {\n        draggingCoord = null;\n        $win.unbind('mousemove', onCoordDrag).unbind('mouseup', onCoordUp);\n      };\n\n      // Linear gradient\n      // (function () {\n\n      stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');\n\n      let numstops = stops.length;\n      // if there are not at least two stops, then\n      if (numstops < 2) {\n        while (numstops < 2) {\n          curGradient.append(document.createElementNS(ns.svg, 'stop'));\n          ++numstops;\n        }\n        stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');\n      }\n\n      for (let i = 0; i < numstops; i++) {\n        mkStop(0, 0, 0, 0, stops[i]);\n      }\n\n      spreadMethodOpt.val(curGradient.getAttribute('spreadMethod') || 'pad');\n\n      let offset;\n\n      // No match, so show focus point\n      showFocus = false;\n\n      previewRect.setAttribute('fill-opacity', gradalpha / 100);\n\n      $('#' + id + ' div.grad_coord').mousedown(function (evt) {\n        evt.preventDefault();\n        draggingCoord = $(this);\n        // const sPos = draggingCoord.offset();\n        offset = draggingCoord.parent().offset();\n        $win.mousemove(onCoordDrag).mouseup(onCoordUp);\n      });\n\n      // bind GUI elements\n      $('#' + id + '_jGraduate_Ok').bind('click', function () {\n        $this.paint.type = curType;\n        $this.paint[curType] = curGradient.cloneNode(true);\n        $this.paint.solidColor = null;\n        okClicked();\n      });\n      $('#' + id + '_jGraduate_Cancel').bind('click', function (paint) {\n        cancelClicked();\n      });\n\n      if (curType === 'radialGradient') {\n        if (showFocus) {\n          focusCoord.show();\n        } else {\n          focusCoord.hide();\n          attrInput.fx.val('');\n          attrInput.fy.val('');\n        }\n      }\n\n      $('#' + id + '_jGraduate_match_ctr')[0].checked = !showFocus;\n\n      let lastfx, lastfy;\n\n      $('#' + id + '_jGraduate_match_ctr').change(function () {\n        showFocus = !this.checked;\n        focusCoord.toggle(showFocus);\n        attrInput.fx.val('');\n        attrInput.fy.val('');\n        const grad = curGradient;\n        if (!showFocus) {\n          lastfx = grad.getAttribute('fx');\n          lastfy = grad.getAttribute('fy');\n          grad.removeAttribute('fx');\n          grad.removeAttribute('fy');\n        } else {\n          const fx = lastfx || 0.5;\n          const fy = lastfy || 0.5;\n          grad.setAttribute('fx', fx);\n          grad.setAttribute('fy', fy);\n          attrInput.fx.val(fx);\n          attrInput.fy.val(fy);\n        }\n      });\n\n      stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');\n      numstops = stops.length;\n      // if there are not at least two stops, then\n      if (numstops < 2) {\n        while (numstops < 2) {\n          curGradient.append(document.createElementNS(ns.svg, 'stop'));\n          ++numstops;\n        }\n        stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');\n      }\n\n      let slider;\n\n      const setSlider = function (e) {\n        const {offset} = slider;\n        const div = slider.parent;\n        let x = (e.pageX - offset.left - parseInt(div.css('border-left-width')));\n        if (x > SLIDERW) x = SLIDERW;\n        if (x <= 0) x = 0;\n        const posx = x - 5;\n        x /= SLIDERW;\n\n        switch (slider.type) {\n        case 'radius':\n          x = Math.pow(x * 2, 2.5);\n          if (x > 0.98 && x < 1.02) x = 1;\n          if (x <= 0.01) x = 0.01;\n          curGradient.setAttribute('r', x);\n          break;\n        case 'opacity':\n          $this.paint.alpha = parseInt(x * 100);\n          previewRect.setAttribute('fill-opacity', x);\n          break;\n        case 'ellip':\n          scaleX = 1;\n          scaleY = 1;\n          if (x < 0.5) {\n            x /= 0.5; // 0.001\n            scaleX = x <= 0 ? 0.01 : x;\n          } else if (x > 0.5) {\n            x /= 0.5; // 2\n            x = 2 - x;\n            scaleY = x <= 0 ? 0.01 : x;\n          }\n          xform();\n          x -= 1;\n          if (scaleY === x + 1) {\n            x = Math.abs(x);\n          }\n          break;\n        case 'angle':\n          x = x - 0.5;\n          angle = x *= 180;\n          xform();\n          x /= 100;\n          break;\n        }\n        slider.elem.css({'margin-left': posx});\n        x = Math.round(x * 100);\n        slider.input.val(x);\n      };\n\n      let ellipVal = 0, angleVal = 0;\n\n      if (curType === 'radialGradient') {\n        const tlist = curGradient.gradientTransform.baseVal;\n        if (tlist.numberOfItems === 2) {\n          const t = tlist.getItem(0);\n          const s = tlist.getItem(1);\n          if (t.type === 2 && s.type === 3) {\n            const m = s.matrix;\n            if (m.a !== 1) {\n              ellipVal = Math.round(-(1 - m.a) * 100);\n            } else if (m.d !== 1) {\n              ellipVal = Math.round((1 - m.d) * 100);\n            }\n          }\n        } else if (tlist.numberOfItems === 3) {\n          // Assume [R][T][S]\n          const r = tlist.getItem(0);\n          const t = tlist.getItem(1);\n          const s = tlist.getItem(2);\n\n          if (r.type === 4 &&\n            t.type === 2 &&\n            s.type === 3\n          ) {\n            angleVal = Math.round(r.angle);\n            const m = s.matrix;\n            if (m.a !== 1) {\n              ellipVal = Math.round(-(1 - m.a) * 100);\n            } else if (m.d !== 1) {\n              ellipVal = Math.round((1 - m.d) * 100);\n            }\n          }\n        }\n      }\n\n      const sliders = {\n        radius: {\n          handle: '#' + id + '_jGraduate_RadiusArrows',\n          input: '#' + id + '_jGraduate_RadiusInput',\n          val: (curGradient.getAttribute('r') || 0.5) * 100\n        },\n        opacity: {\n          handle: '#' + id + '_jGraduate_OpacArrows',\n          input: '#' + id + '_jGraduate_OpacInput',\n          val: $this.paint.alpha || 100\n        },\n        ellip: {\n          handle: '#' + id + '_jGraduate_EllipArrows',\n          input: '#' + id + '_jGraduate_EllipInput',\n          val: ellipVal\n        },\n        angle: {\n          handle: '#' + id + '_jGraduate_AngleArrows',\n          input: '#' + id + '_jGraduate_AngleInput',\n          val: angleVal\n        }\n      };\n\n      $.each(sliders, function (type, data) {\n        const handle = $(data.handle);\n        handle.mousedown(function (evt) {\n          const parent = handle.parent();\n          slider = {\n            type,\n            elem: handle,\n            input: $(data.input),\n            parent,\n            offset: parent.offset()\n          };\n          $win.mousemove(dragSlider).mouseup(stopSlider);\n          evt.preventDefault();\n        });\n\n        $(data.input).val(data.val).change(function () {\n          const isRad = curType === 'radialGradient';\n          let val = +this.value;\n          let xpos = 0;\n          switch (type) {\n          case 'radius':\n            if (isRad) curGradient.setAttribute('r', val / 100);\n            xpos = (Math.pow(val / 100, 1 / 2.5) / 2) * SLIDERW;\n            break;\n\n          case 'opacity':\n            $this.paint.alpha = val;\n            previewRect.setAttribute('fill-opacity', val / 100);\n            xpos = val * (SLIDERW / 100);\n            break;\n\n          case 'ellip':\n            scaleX = scaleY = 1;\n            if (val === 0) {\n              xpos = SLIDERW * 0.5;\n              break;\n            }\n            if (val > 99.5) val = 99.5;\n            if (val > 0) {\n              scaleY = 1 - (val / 100);\n            } else {\n              scaleX = -(val / 100) - 1;\n            }\n\n            xpos = SLIDERW * ((val + 100) / 2) / 100;\n            if (isRad) xform();\n            break;\n\n          case 'angle':\n            angle = val;\n            xpos = angle / 180;\n            xpos += 0.5;\n            xpos *= SLIDERW;\n            if (isRad) xform();\n          }\n          if (xpos > SLIDERW) {\n            xpos = SLIDERW;\n          } else if (xpos < 0) {\n            xpos = 0;\n          }\n          handle.css({'margin-left': xpos - 5});\n        }).change();\n      });\n\n      const dragSlider = function (evt) {\n        setSlider(evt);\n        evt.preventDefault();\n      };\n\n      const stopSlider = function (evt) {\n        $win.unbind('mousemove', dragSlider).unbind('mouseup', stopSlider);\n        slider = null;\n      };\n\n      // --------------\n      let thisAlpha = ($this.paint.alpha * 255 / 100).toString(16);\n      while (thisAlpha.length < 2) { thisAlpha = '0' + thisAlpha; }\n      thisAlpha = thisAlpha.split('.')[0];\n      color = $this.paint.solidColor === 'none' ? '' : $this.paint.solidColor + thisAlpha;\n\n      if (!isSolid) {\n        color = stops[0].getAttribute('stop-color');\n      }\n\n      // This should be done somewhere else, probably\n      $.extend($.fn.jPicker.defaults.window, {\n        alphaSupport: true, effects: {type: 'show', speed: 0}\n      });\n\n      colPicker.jPicker(\n        {\n          window: {title: $settings.window.pickerTitle},\n          images: {clientPath: $settings.images.clientPath},\n          color: {active: color, alphaSupport: true}\n        },\n        function (color) {\n          $this.paint.type = 'solidColor';\n          $this.paint.alpha = color.val('ahex') ? Math.round((color.val('a') / 255) * 100) : 100;\n          $this.paint.solidColor = color.val('hex') ? color.val('hex') : 'none';\n          $this.paint.radialGradient = null;\n          okClicked();\n        },\n        null,\n        function () { cancelClicked(); }\n      );\n\n      const tabs = $(idref + ' .jGraduate_tabs li');\n      tabs.click(function () {\n        tabs.removeClass('jGraduate_tab_current');\n        $(this).addClass('jGraduate_tab_current');\n        $(idref + ' > div').hide();\n        const type = $(this).attr('data-type');\n        /* const container = */ $(idref + ' .jGraduate_gradPick').show();\n        if (type === 'rg' || type === 'lg') {\n          // Show/hide appropriate fields\n          $('.jGraduate_' + type + '_field').show();\n          $('.jGraduate_' + (type === 'lg' ? 'rg' : 'lg') + '_field').hide();\n\n          $('#' + id + '_jgraduate_rect')[0].setAttribute('fill', 'url(#' + id + '_' + type + '_jgraduate_grad)');\n\n          // Copy stops\n\n          curType = type === 'lg' ? 'linearGradient' : 'radialGradient';\n\n          $('#' + id + '_jGraduate_OpacInput').val($this.paint.alpha).change();\n\n          const newGrad = $('#' + id + '_' + type + '_jgraduate_grad')[0];\n\n          if (curGradient !== newGrad) {\n            const curStops = $(curGradient).find('stop');\n            $(newGrad).empty().append(curStops);\n            curGradient = newGrad;\n            const sm = spreadMethodOpt.val();\n            curGradient.setAttribute('spreadMethod', sm);\n          }\n          showFocus = type === 'rg' && curGradient.getAttribute('fx') != null && !(cx === fx && cy === fy);\n          $('#' + id + '_jGraduate_focusCoord').toggle(showFocus);\n          if (showFocus) {\n            $('#' + id + '_jGraduate_match_ctr')[0].checked = false;\n          }\n        } else {\n          $(idref + ' .jGraduate_gradPick').hide();\n          $(idref + ' .jGraduate_colPick').show();\n        }\n      });\n      $(idref + ' > div').hide();\n      tabs.removeClass('jGraduate_tab_current');\n      let tab;\n      switch ($this.paint.type) {\n      case 'linearGradient':\n        tab = $(idref + ' .jGraduate_tab_lingrad');\n        break;\n      case 'radialGradient':\n        tab = $(idref + ' .jGraduate_tab_radgrad');\n        break;\n      default:\n        tab = $(idref + ' .jGraduate_tab_color');\n        break;\n      }\n      $this.show();\n\n      // jPicker will try to show after a 0ms timeout, so need to fire this after that\n      setTimeout(() => {\n        tab.addClass('jGraduate_tab_current').click();\n      }, 10);\n    });\n  };\n  return $;\n}\n","/**\n * SpinButton control\n *\n * Adds bells and whistles to any ordinary textbox to\n * make it look and feel like a SpinButton Control.\n *\n * Supplies {@link external:jQuery.fn.SpinButton} (and also {@link external:jQuery.loadingStylesheets})\n *\n * Originally written by George Adamson, Software Unity (george.jquery@softwareunity.com) August 2006.\n * - Added min/max options\n * - Added step size option\n * - Added bigStep (page up/down) option\n *\n * Modifications made by Mark Gibson, (mgibson@designlinks.net) September 2006:\n * - Converted to jQuery plugin\n * - Allow limited or unlimited min/max values\n * - Allow custom class names, and add class to input element\n * - Removed global vars\n * - Reset (to original or through config) when invalid value entered\n * - Repeat whilst holding mouse button down (with initial pause, like keyboard repeat)\n * - Support mouse wheel in Firefox\n * - Fix double click in IE\n * - Refactored some code and renamed some vars\n *\n * Modifications by Jeff Schiller, June 2009:\n * - provide callback function for when the value changes based on the following\n *   {@link https://www.mail-archive.com/jquery-en@googlegroups.com/msg36070.html}\n *\n * Modifications by Jeff Schiller, July 2009:\n * - improve styling for widget in Opera\n * - consistent key-repeat handling cross-browser\n *\n * Modifications by Alexis Deveria, October 2009:\n * - provide \"stepfunc\" callback option to allow custom function to run when changing a value\n * - Made adjustValue(0) only run on certain keyup events, not all.\n *\n * Tested in IE6, Opera9, Firefox 1.5\n *\n * | Version | Date | Author | Notes\n * |---------|------|--------|------|\n * | v1.0 | 11 Aug 2006 | George Adamson | First release\n * | v1.1 | Aug 2006 | George Adamson | Minor enhancements\n * | v1.2 | 27 Sep 2006 | Mark Gibson | Major enhancements\n * | v1.3a | 28 Sep 2006 | George Adamson | Minor enhancements\n * | v1.4 | 18 Jun 2009 | Jeff Schiller | Added callback function\n * | v1.5 | 06 Jul 2009 | Jeff Schiller | Fixes for Opera.\n * | v1.6 | 13 Oct 2009 | Alexis Deveria | Added stepfunc function\n * | v1.7 | 21 Oct 2009 | Alexis Deveria | Minor fixes.<br />Fast-repeat for keys and live updating as you type.\n * | v1.8 | 12 Jan 2010 | Benjamin Thomas | Fixes for mouseout behavior.<br />Added smallStep\n * | v1.9 | 20 May 2018 | Brett Zamir | Avoid SVGEdit dependency via `stateObj` config;<br />convert to ES6 module |\n * @module jQuerySpinButton\n * @example\n\n  // Create group of settings to initialise spinbutton(s). (Optional)\n  const myOptions = {\n    min: 0, // Set lower limit.\n    max: 100, // Set upper limit.\n    step: 1, // Set increment size.\n    smallStep: 0.5, // Set shift-click increment size.\n    stateObj: {tool_scale: 1}, // Object to allow passing in live-updating scale\n    spinClass: mySpinBtnClass, // CSS class to style the spinbutton. (Class also specifies url of the up/down button image.)\n    upClass: mySpinUpClass, // CSS class for style when mouse over up button.\n    downClass: mySpinDnClass // CSS class for style when mouse over down button.\n  };\n\n  $(function () {\n    // Initialise INPUT element(s) as SpinButtons: (passing options if desired)\n    $(\"#myInputElement\").SpinButton(myOptions);\n  });\n */\n/**\n * @function module:jQuerySpinButton.jQuerySpinButton\n * @param {external:jQuery} $ The jQuery object to which to add the plug-in\n * @returns {external:jQuery}\n*/\nexport default function ($) {\n  if (!$.loadingStylesheets) {\n    $.loadingStylesheets = [];\n  }\n  const stylesheet = 'spinbtn/jQuery.SpinButton.css';\n  if (!$.loadingStylesheets.includes(stylesheet)) {\n    $.loadingStylesheets.push(stylesheet);\n  }\n  /**\n  * @callback module:jQuerySpinButton.StepCallback\n  * @param {external:jQuery} thisArg Value of `this`\n  */\n  /**\n  * @callback module:jQuerySpinButton.ValueCallback\n  * @param {external:jQuery} thisArg Value of `this`\n  * @param {Float} value Value that was changed\n  */\n  /**\n   * @typedef {PlainObject} module:jQuerySpinButton.SpinButtonConfig\n   * @property {Float} min Set lower limit\n   * @property {Float} max Set upper limit.\n   * @property {Float} step Set increment size.\n   * @property {module:jQuerySpinButton.StepCallback} stepfunc Custom function to run when changing a value; called with `this` of object and the value to adjust\n   * @property {module:jQuerySpinButton.ValueCallback} callback Called after value adjusted (with `this` of object)\n   * @property {Float} smallStep Set shift-click increment size.\n   * @property {PlainObject} stateObj Object to allow passing in live-updating scale\n   * @property {Float} stateObj.tool_scale\n   * @property {string} spinClass CSS class to style the spinbutton. (Class also specifies url of the up/down button image.)\n   * @property {string} upClass CSS class for style when mouse over up button.\n   * @property {string} downClass CSS class for style when mouse over down button.\n   * @property {Float} page Value to be adjusted on page up/page down\n   * @property {Float} reset Reset value when invalid value entered\n   * @property {Float} delay Millisecond delay\n   * @property {Float} interval Millisecond interval\n  */\n  /**\n  * @function external:jQuery.fn.SpinButton\n  * @param {module:jQuerySpinButton.SpinButtonConfig} cfg\n  * @returns {external:jQuery}\n  */\n  $.fn.SpinButton = function (cfg) {\n    cfg = cfg || {};\n    function coord (el, prop) {\n      const b = document.body;\n\n      let c = el[prop];\n      while ((el = el.offsetParent) && (el !== b)) {\n        if (!$.browser.msie || (el.currentStyle.position !== 'relative')) {\n          c += el[prop];\n        }\n      }\n\n      return c;\n    }\n\n    return this.each(function () {\n      this.repeating = false;\n\n      // Apply specified options or defaults:\n      // (Ought to refactor this some day to use $.extend() instead)\n      this.spinCfg = {\n        // min: cfg.min ? Number(cfg.min) : null,\n        // max: cfg.max ? Number(cfg.max) : null,\n        min: !isNaN(parseFloat(cfg.min)) ? Number(cfg.min) : null, // Fixes bug with min:0\n        max: !isNaN(parseFloat(cfg.max)) ? Number(cfg.max) : null,\n        step: cfg.step ? Number(cfg.step) : 1,\n        stepfunc: cfg.stepfunc || false,\n        page: cfg.page ? Number(cfg.page) : 10,\n        upClass: cfg.upClass || 'up',\n        downClass: cfg.downClass || 'down',\n        reset: cfg.reset || this.value,\n        delay: cfg.delay ? Number(cfg.delay) : 500,\n        interval: cfg.interval ? Number(cfg.interval) : 100,\n        _btn_width: 20,\n        _direction: null,\n        _delay: null,\n        _repeat: null,\n        callback: cfg.callback || null\n      };\n\n      // if a smallStep isn't supplied, use half the regular step\n      this.spinCfg.smallStep = cfg.smallStep || this.spinCfg.step / 2;\n\n      this.adjustValue = function (i) {\n        let v;\n        if (isNaN(this.value)) {\n          v = this.spinCfg.reset;\n        } else if (typeof this.spinCfg.stepfunc === 'function') {\n          v = this.spinCfg.stepfunc(this, i);\n        } else {\n          // weirdest JavaScript bug ever: 5.1 + 0.1 = 5.199999999\n          v = Number((Number(this.value) + Number(i)).toFixed(5));\n        }\n        if (this.spinCfg.min !== null) { v = Math.max(v, this.spinCfg.min); }\n        if (this.spinCfg.max !== null) { v = Math.min(v, this.spinCfg.max); }\n        this.value = v;\n        if (typeof this.spinCfg.callback === 'function') { this.spinCfg.callback(this); }\n      };\n\n      $(this)\n        .addClass(cfg.spinClass || 'spin-button')\n\n        .mousemove(function (e) {\n          // Determine which button mouse is over, or not (spin direction):\n          const x = e.pageX || e.x;\n          const y = e.pageY || e.y;\n          const el = e.target;\n          const scale = cfg.stateObj.tool_scale || 1;\n          const height = $(el).height() / 2;\n\n          const direction =\n            (x > coord(el, 'offsetLeft') +\n              el.offsetWidth * scale - this.spinCfg._btn_width)\n              ? ((y < coord(el, 'offsetTop') + height * scale) ? 1 : -1) : 0;\n\n          if (direction !== this.spinCfg._direction) {\n            // Style up/down buttons:\n            switch (direction) {\n            case 1: // Up arrow:\n              $(this).removeClass(this.spinCfg.downClass).addClass(this.spinCfg.upClass);\n              break;\n            case -1: // Down arrow:\n              $(this).removeClass(this.spinCfg.upClass).addClass(this.spinCfg.downClass);\n              break;\n            default: // Mouse is elsewhere in the textbox\n              $(this).removeClass(this.spinCfg.upClass).removeClass(this.spinCfg.downClass);\n            }\n\n            // Set spin direction:\n            this.spinCfg._direction = direction;\n          }\n        })\n\n        .mouseout(function () {\n          // Reset up/down buttons to their normal appearance when mouse moves away:\n          $(this).removeClass(this.spinCfg.upClass).removeClass(this.spinCfg.downClass);\n          this.spinCfg._direction = null;\n          window.clearInterval(this.spinCfg._repeat);\n          window.clearTimeout(this.spinCfg._delay);\n        })\n\n        .mousedown(function (e) {\n          if (e.button === 0 && this.spinCfg._direction !== 0) {\n            // Respond to click on one of the buttons:\n            const stepSize = e.shiftKey ? this.spinCfg.smallStep : this.spinCfg.step;\n\n            const adjust = () => {\n              this.adjustValue(this.spinCfg._direction * stepSize);\n            };\n\n            adjust();\n\n            // Initial delay before repeating adjustment\n            this.spinCfg._delay = window.setTimeout(() => {\n              adjust();\n              // Repeat adjust at regular intervals\n              this.spinCfg._repeat = window.setInterval(adjust, this.spinCfg.interval);\n            }, this.spinCfg.delay);\n          }\n        })\n\n        .mouseup(function (e) {\n          // Cancel repeating adjustment\n          window.clearInterval(this.spinCfg._repeat);\n          window.clearTimeout(this.spinCfg._delay);\n        })\n\n        .dblclick(function (e) {\n          if ($.browser.msie) {\n            this.adjustValue(this.spinCfg._direction * this.spinCfg.step);\n          }\n        })\n\n        .keydown(function (e) {\n          // Respond to up/down arrow keys.\n          switch (e.keyCode) {\n          case 38: this.adjustValue(this.spinCfg.step); break; // Up\n          case 40: this.adjustValue(-this.spinCfg.step); break; // Down\n          case 33: this.adjustValue(this.spinCfg.page); break; // PageUp\n          case 34: this.adjustValue(-this.spinCfg.page); break; // PageDown\n          }\n        })\n\n        /*\n        http://unixpapa.com/js/key.html describes the current state-of-affairs for\n        key repeat events:\n        - Safari 3.1 changed their model so that keydown is reliably repeated going forward\n        - Firefox and Opera still only repeat the keypress event, not the keydown\n        */\n        .keypress(function (e) {\n          if (this.repeating) {\n            // Respond to up/down arrow keys.\n            switch (e.keyCode) {\n            case 38: this.adjustValue(this.spinCfg.step); break; // Up\n            case 40: this.adjustValue(-this.spinCfg.step); break; // Down\n            case 33: this.adjustValue(this.spinCfg.page); break; // PageUp\n            case 34: this.adjustValue(-this.spinCfg.page); break; // PageDown\n            }\n          // we always ignore the first keypress event (use the keydown instead)\n          } else {\n            this.repeating = true;\n          }\n        })\n\n        // clear the 'repeating' flag\n        .keyup(function (e) {\n          this.repeating = false;\n          switch (e.keyCode) {\n          case 38: // Up\n          case 40: // Down\n          case 33: // PageUp\n          case 34: // PageDown\n          case 13: this.adjustValue(0); break; // Enter/Return\n          }\n        })\n\n        .bind('mousewheel', function (e) {\n          // Respond to mouse wheel in IE. (It returns up/dn motion in multiples of 120)\n          if (e.wheelDelta >= 120) {\n            this.adjustValue(this.spinCfg.step);\n          } else if (e.wheelDelta <= -120) {\n            this.adjustValue(-this.spinCfg.step);\n          }\n\n          e.preventDefault();\n        })\n\n        .change(function (e) {\n          this.adjustValue(0);\n        });\n\n      if (this.addEventListener) {\n        // Respond to mouse wheel in Firefox\n        this.addEventListener('DOMMouseScroll', function (e) {\n          if (e.detail > 0) {\n            this.adjustValue(-this.spinCfg.step);\n          } else if (e.detail < 0) {\n            this.adjustValue(this.spinCfg.step);\n          }\n\n          e.preventDefault();\n        }, false);\n      }\n    });\n  };\n  return $;\n}\n","/**\n * jQuery Context Menu Plugin\n * Cory S.N. LaViska\n * A Beautiful Site ({@link https://abeautifulsite.net/})\n * Modified by Alexis Deveria\n *\n * More info: {@link https://abeautifulsite.net/2008/09/jquery-context-menu-plugin/}\n *\n * @module jQueryContextMenu\n * @todo Update to latest version and adapt (and needs jQuery update as well): {@link https://github.com/swisnl/jQuery-contextMenu}\n * @version 1.01\n *\n * @license\n * Terms of Use\n *\n * This plugin is dual-licensed under the GNU General Public License\n *   and the MIT License and is copyright A Beautiful Site, LLC.\n *\n*/\nimport {isMac} from '../browser.js';\n\n/**\n* @callback module:jQueryContextMenu.jQueryContextMenuCallback\n* @param {string} href The `href` value after the first character (for bypassing an initial `#`)\n* @param {external:jQuery} srcElement The wrapped jQuery srcElement\n* @param {{x: Float, y: Float, docX: Float, docY: Float}} coords\n*/\n\n/**\n* @typedef {PlainObject} module:jQueryContextMenu.jQueryContextMenuConfig\n* @property {string} menu\n* @property {Float} inSpeed\n* @property {Float} outSpeed\n* @property {boolean} allowLeft\n*/\n\n/**\n* Adds {@link external:jQuery.fn.contextMenu}, {@link external:jQuery.fn.disableContextMenuItems}, {@link external:jQuery.fn.enableContextMenuItems}, {@link external:jQuery.fn.disableContextMenu}, {@link external:jQuery.fn.enableContextMenu}, {@link external:jQuery.fn.destroyContextMenu}\n* @function module:jQueryContextMenu.jQueryContextMenu\n* @param {external:jQuery} $ The jQuery object to wrap (with `contextMenu`, `disableContextMenuItems`, `enableContextMenuItems`, `disableContextMenu`, `enableContextMenu`, `destroyContextMenu`)\n* @returns {external:jQuery}\n*/\nfunction jQueryContextMenu ($) {\n  const win = $(window);\n  const doc = $(document);\n\n  $.extend($.fn, {\n    /**\n    * @memberof external:jQuery.fn\n    * @param {module:jQueryContextMenu.jQueryContextMenuConfig} o\n    * @param {module:jQueryContextMenu.jQueryContextMenuCallback} callback\n    * @returns {external:jQuery}\n    */\n    contextMenu (o, callback) {\n      // Defaults\n      if (o.menu === undefined) return false;\n      if (o.inSpeed === undefined) o.inSpeed = 150;\n      if (o.outSpeed === undefined) o.outSpeed = 75;\n      // 0 needs to be -1 for expected results (no fade)\n      if (o.inSpeed === 0) o.inSpeed = -1;\n      if (o.outSpeed === 0) o.outSpeed = -1;\n      // Loop each context menu\n      $(this).each(function () {\n        const el = $(this);\n        const offset = $(el).offset();\n\n        const menu = $('#' + o.menu);\n\n        // Add contextMenu class\n        menu.addClass('contextMenu');\n        // Simulate a true right click\n        $(this).bind('mousedown', function (e) {\n          const evt = e;\n          $(this).mouseup(function (e) {\n            const srcElement = $(this);\n            srcElement.unbind('mouseup');\n            if (evt.button === 2 || o.allowLeft ||\n              (evt.ctrlKey && isMac())) {\n              e.stopPropagation();\n              // Hide context menus that may be showing\n              $('.contextMenu').hide();\n              // Get this context menu\n\n              if (el.hasClass('disabled')) return false;\n\n              // Detect mouse position\n              let x = e.pageX, y = e.pageY;\n\n              const xOff = win.width() - menu.width(),\n                yOff = win.height() - menu.height();\n\n              if (x > xOff - 15) x = xOff - 15;\n              if (y > yOff - 30) y = yOff - 30; // 30 is needed to prevent scrollbars in FF\n\n              // Show the menu\n              doc.unbind('click');\n              menu.css({top: y, left: x}).fadeIn(o.inSpeed);\n              // Hover events\n              menu.find('A').mouseover(function () {\n                menu.find('LI.hover').removeClass('hover');\n                $(this).parent().addClass('hover');\n              }).mouseout(function () {\n                menu.find('LI.hover').removeClass('hover');\n              });\n\n              // Keyboard\n              doc.keypress(function (e) {\n                switch (e.keyCode) {\n                case 38: // up\n                  if (!menu.find('LI.hover').length) {\n                    menu.find('LI:last').addClass('hover');\n                  } else {\n                    menu.find('LI.hover').removeClass('hover').prevAll('LI:not(.disabled)').eq(0).addClass('hover');\n                    if (!menu.find('LI.hover').length) menu.find('LI:last').addClass('hover');\n                  }\n                  break;\n                case 40: // down\n                  if (!menu.find('LI.hover').length) {\n                    menu.find('LI:first').addClass('hover');\n                  } else {\n                    menu.find('LI.hover').removeClass('hover').nextAll('LI:not(.disabled)').eq(0).addClass('hover');\n                    if (!menu.find('LI.hover').length) menu.find('LI:first').addClass('hover');\n                  }\n                  break;\n                case 13: // enter\n                  menu.find('LI.hover A').trigger('click');\n                  break;\n                case 27: // esc\n                  doc.trigger('click');\n                  break;\n                }\n              });\n\n              // When items are selected\n              menu.find('A').unbind('mouseup');\n              menu.find('LI:not(.disabled) A').mouseup(function () {\n                doc.unbind('click').unbind('keypress');\n                $('.contextMenu').hide();\n                // Callback\n                if (callback) {\n                  callback($(this).attr('href').substr(1), $(srcElement), {x: x - offset.left, y: y - offset.top, docX: x, docY: y});\n                }\n                return false;\n              });\n\n              // Hide bindings\n              setTimeout(function () { // Delay for Mozilla\n                doc.click(function () {\n                  doc.unbind('click').unbind('keypress');\n                  menu.fadeOut(o.outSpeed);\n                  return false;\n                });\n              }, 0);\n            }\n          });\n        });\n\n        // Disable text selection\n        if ($.browser.mozilla) {\n          $('#' + o.menu).each(function () { $(this).css({MozUserSelect: 'none'}); });\n        } else if ($.browser.msie) {\n          $('#' + o.menu).each(function () { $(this).bind('selectstart.disableTextSelect', function () { return false; }); });\n        } else {\n          $('#' + o.menu).each(function () { $(this).bind('mousedown.disableTextSelect', function () { return false; }); });\n        }\n        // Disable browser context menu (requires both selectors to work in IE/Safari + FF/Chrome)\n        $(el).add($('UL.contextMenu')).bind('contextmenu', function () { return false; });\n      });\n      return $(this);\n    },\n\n    /**\n    * Disable context menu items on the fly\n    * @memberof external:jQuery.fn\n    * @param {undefined|string} o Comma-separated\n    * @returns {external:jQuery}\n    */\n    disableContextMenuItems (o) {\n      if (o === undefined) {\n        // Disable all\n        $(this).find('LI').addClass('disabled');\n        return $(this);\n      }\n      $(this).each(function () {\n        if (o !== undefined) {\n          const d = o.split(',');\n          for (let i = 0; i < d.length; i++) {\n            $(this).find('A[href=\"' + d[i] + '\"]').parent().addClass('disabled');\n          }\n        }\n      });\n      return $(this);\n    },\n\n    /**\n    * Enable context menu items on the fly\n    * @memberof external:jQuery.fn\n    * @param {undefined|string} o Comma-separated\n    * @returns {external:jQuery}\n    */\n    enableContextMenuItems (o) {\n      if (o === undefined) {\n        // Enable all\n        $(this).find('LI.disabled').removeClass('disabled');\n        return $(this);\n      }\n      $(this).each(function () {\n        if (o !== undefined) {\n          const d = o.split(',');\n          for (let i = 0; i < d.length; i++) {\n            $(this).find('A[href=\"' + d[i] + '\"]').parent().removeClass('disabled');\n          }\n        }\n      });\n      return $(this);\n    },\n\n    /**\n    * Disable context menu(s)\n    * @memberof external:jQuery.fn\n    * @returns {external:jQuery}\n    */\n    disableContextMenu () {\n      $(this).each(function () {\n        $(this).addClass('disabled');\n      });\n      return $(this);\n    },\n\n    /**\n    * Enable context menu(s)\n    * @memberof external:jQuery.fn\n    * @returns {external:jQuery}\n    */\n    enableContextMenu () {\n      $(this).each(function () {\n        $(this).removeClass('disabled');\n      });\n      return $(this);\n    },\n\n    /**\n    * Destroy context menu(s)\n    * @memberof external:jQuery.fn\n    * @returns {external:jQuery}\n    */\n    destroyContextMenu () {\n      // Destroy specified context menus\n      $(this).each(function () {\n        // Disable action\n        $(this).unbind('mousedown').unbind('mouseup');\n      });\n      return $(this);\n    }\n  });\n  return $;\n}\n\nexport default jQueryContextMenu;\n","/**\n * jPicker (Adapted from version 1.1.6)\n *\n * jQuery Plugin for Photoshop style color picker\n *\n * @module jPicker\n * @copyright (c) 2010 Christopher T. Tillman\n * Digital Magic Productions, Inc. ({@link http://www.digitalmagicpro.com/})\n * FREE to use, alter, copy, sell, and especially ENHANCE\n * @license MIT\n *\n * Painstakingly ported from John Dyers' excellent work on his own color picker based on the Prototype framework.\n *\n * John Dyers' website: {@link http://johndyer.name}\n * Color Picker page: {@link http://johndyer.name/photoshop-like-javascript-color-picker/}\n */\n\n/**\n* @external Math\n*/\n/**\n* @memberof external:Math\n* @param {Float} value\n* @param {Float} precision\n* @returns {Float}\n*/\nfunction toFixedNumeric (value, precision) {\n  if (precision === undefined) precision = 0;\n  return Math.round(value * Math.pow(10, precision)) / Math.pow(10, precision);\n}\n\n/**\n* @function module:jPicker.jPicker\n* @param {external:jQuery} $ The jQuery object to wrap (with {@link external:jQuery.loadingStylesheets}, {@link external:jQuery.fn.$.fn.jPicker}, {@link external:jQuery.fn.$.fn.jPicker.defaults})\n* @returns {external:jQuery}\n*/\nconst jPicker = function ($) {\n  if (!$.loadingStylesheets) {\n    /**\n    * @name loadingStylesheets\n    * @type {string[]}\n    * @memberof external:jQuery\n    */\n    $.loadingStylesheets = [];\n  }\n  const stylesheet = 'jgraduate/css/jPicker.css';\n  if (!$.loadingStylesheets.includes(stylesheet)) {\n    $.loadingStylesheets.push(stylesheet);\n  }\n  /**\n  * @typedef {PlainObject} module:jPicker.SliderOptions\n  * @property {external:jQuery|PlainObject} arrow\n  * @property {string} arrow.image Not in use?\n  * @property {Float} arrow.width\n  * @property {Float} arrow.height\n  * @property {PlainObject} map\n  * @property {Float} map.width\n  * @property {Float} map.height\n  */\n\n  /**\n  * Encapsulate slider functionality for the ColorMap and ColorBar -\n  * could be useful to use a jQuery UI draggable for this with certain extensions\n  * @param {external:jQuery} bar\n  * @param {module:jPicker.SliderOptions} options\n  */\n  function Slider (bar, options) {\n    const $this = this;\n    function fireChangeEvents (context) {\n      for (let i = 0; i < changeEvents.length; i++) {\n        changeEvents[i].call($this, $this, context);\n      }\n    }\n    // bind the mousedown to the bar not the arrow for quick snapping to the clicked location\n    function mouseDown (e) {\n      const off = bar.offset();\n      offset = {l: off.left | 0, t: off.top | 0};\n      clearTimeout(timeout);\n      // using setTimeout for visual updates - once the style is updated the browser will re-render internally allowing the next Javascript to run\n      timeout = setTimeout(function () {\n        setValuesFromMousePosition.call($this, e);\n      }, 0);\n      // Bind mousemove and mouseup event to the document so it responds when dragged of of the bar - we will unbind these when on mouseup to save processing\n      $(document).bind('mousemove', mouseMove).bind('mouseup', mouseUp);\n      e.preventDefault(); // don't try to select anything or drag the image to the desktop\n    }\n    // set the values as the mouse moves\n    function mouseMove (e) {\n      clearTimeout(timeout);\n      timeout = setTimeout(function () {\n        setValuesFromMousePosition.call($this, e);\n      }, 0);\n      e.stopPropagation();\n      e.preventDefault();\n      return false;\n    }\n    // unbind the document events - they aren't needed when not dragging\n    function mouseUp (e) {\n      $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);\n      e.stopPropagation();\n      e.preventDefault();\n      return false;\n    }\n    // calculate mouse position and set value within the current range\n    function setValuesFromMousePosition (e) {\n      const barW = bar.w, // local copies for YUI compressor\n        barH = bar.h;\n      let locX = e.pageX - offset.l,\n        locY = e.pageY - offset.t;\n      // keep the arrow within the bounds of the bar\n      if (locX < 0) locX = 0;\n      else if (locX > barW) locX = barW;\n      if (locY < 0) locY = 0;\n      else if (locY > barH) locY = barH;\n      val.call($this, 'xy', {x: ((locX / barW) * rangeX) + minX, y: ((locY / barH) * rangeY) + minY});\n    }\n    function draw () {\n      const\n        barW = bar.w,\n        barH = bar.h,\n        arrowW = arrow.w,\n        arrowH = arrow.h;\n      let arrowOffsetX = 0,\n        arrowOffsetY = 0;\n      setTimeout(function () {\n        if (rangeX > 0) { // range is greater than zero\n          // constrain to bounds\n          if (x === maxX) arrowOffsetX = barW;\n          else arrowOffsetX = ((x / rangeX) * barW) | 0;\n        }\n        if (rangeY > 0) { // range is greater than zero\n          // constrain to bounds\n          if (y === maxY) arrowOffsetY = barH;\n          else arrowOffsetY = ((y / rangeY) * barH) | 0;\n        }\n        // if arrow width is greater than bar width, center arrow and prevent horizontal dragging\n        if (arrowW >= barW) arrowOffsetX = (barW >> 1) - (arrowW >> 1); // number >> 1 - superfast bitwise divide by two and truncate (move bits over one bit discarding lowest)\n        else arrowOffsetX -= arrowW >> 1;\n        // if arrow height is greater than bar height, center arrow and prevent vertical dragging\n        if (arrowH >= barH) arrowOffsetY = (barH >> 1) - (arrowH >> 1);\n        else arrowOffsetY -= arrowH >> 1;\n        // set the arrow position based on these offsets\n        arrow.css({left: arrowOffsetX + 'px', top: arrowOffsetY + 'px'});\n      }, 0);\n    }\n    function val (name, value, context) {\n      const set = value !== undefined;\n      if (!set) {\n        if (name === undefined || name == null) name = 'xy';\n        switch (name.toLowerCase()) {\n        case 'x': return x;\n        case 'y': return y;\n        case 'xy':\n        default: return {x, y};\n        }\n      }\n      if (context != null && context === $this) return;\n      let changed = false;\n\n      let newX, newY;\n      if (name == null) name = 'xy';\n      switch (name.toLowerCase()) {\n      case 'x':\n        newX = (value && ((value.x && value.x | 0) || value | 0)) || 0;\n        break;\n      case 'y':\n        newY = (value && ((value.y && value.y | 0) || value | 0)) || 0;\n        break;\n      case 'xy':\n      default:\n        newX = (value && value.x && value.x | 0) || 0;\n        newY = (value && value.y && value.y | 0) || 0;\n        break;\n      }\n      if (newX != null) {\n        if (newX < minX) newX = minX;\n        else if (newX > maxX) newX = maxX;\n        if (x !== newX) {\n          x = newX;\n          changed = true;\n        }\n      }\n      if (newY != null) {\n        if (newY < minY) newY = minY;\n        else if (newY > maxY) newY = maxY;\n        if (y !== newY) {\n          y = newY;\n          changed = true;\n        }\n      }\n      changed && fireChangeEvents.call($this, context || $this);\n    }\n    function range (name, value) {\n      const set = value !== undefined;\n      if (!set) {\n        if (name === undefined || name == null) name = 'all';\n        switch (name.toLowerCase()) {\n        case 'minx': return minX;\n        case 'maxx': return maxX;\n        case 'rangex': return {minX, maxX, rangeX};\n        case 'miny': return minY;\n        case 'maxy': return maxY;\n        case 'rangey': return {minY, maxY, rangeY};\n        case 'all':\n        default: return {minX, maxX, rangeX, minY, maxY, rangeY};\n        }\n      }\n      let // changed = false,\n        newMinX,\n        newMaxX,\n        newMinY,\n        newMaxY;\n      if (name == null) name = 'all';\n      switch (name.toLowerCase()) {\n      case 'minx':\n        newMinX = (value && ((value.minX && value.minX | 0) || value | 0)) || 0;\n        break;\n      case 'maxx':\n        newMaxX = (value && ((value.maxX && value.maxX | 0) || value | 0)) || 0;\n        break;\n      case 'rangex':\n        newMinX = (value && value.minX && value.minX | 0) || 0;\n        newMaxX = (value && value.maxX && value.maxX | 0) || 0;\n        break;\n      case 'miny':\n        newMinY = (value && ((value.minY && value.minY | 0) || value | 0)) || 0;\n        break;\n      case 'maxy':\n        newMaxY = (value && ((value.maxY && value.maxY | 0) || value | 0)) || 0;\n        break;\n      case 'rangey':\n        newMinY = (value && value.minY && value.minY | 0) || 0;\n        newMaxY = (value && value.maxY && value.maxY | 0) || 0;\n        break;\n      case 'all':\n      default:\n        newMinX = (value && value.minX && value.minX | 0) || 0;\n        newMaxX = (value && value.maxX && value.maxX | 0) || 0;\n        newMinY = (value && value.minY && value.minY | 0) || 0;\n        newMaxY = (value && value.maxY && value.maxY | 0) || 0;\n        break;\n      }\n      if (newMinX != null && minX !== newMinX) {\n        minX = newMinX;\n        rangeX = maxX - minX;\n      }\n      if (newMaxX != null && maxX !== newMaxX) {\n        maxX = newMaxX;\n        rangeX = maxX - minX;\n      }\n      if (newMinY != null && minY !== newMinY) {\n        minY = newMinY;\n        rangeY = maxY - minY;\n      }\n      if (newMaxY != null && maxY !== newMaxY) {\n        maxY = newMaxY;\n        rangeY = maxY - minY;\n      }\n    }\n    function bind (callback) {\n      if (typeof callback === 'function') changeEvents.push(callback);\n    }\n    function unbind (callback) {\n      if (typeof callback !== 'function') return;\n      let i;\n      while ((i = changeEvents.includes(callback))) changeEvents.splice(i, 1);\n    }\n    function destroy () {\n      // unbind all possible events and null objects\n      $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);\n      bar.unbind('mousedown', mouseDown);\n      bar = null;\n      arrow = null;\n      changeEvents = null;\n    }\n    let offset,\n      timeout,\n      x = 0,\n      y = 0,\n      minX = 0,\n      maxX = 100,\n      rangeX = 100,\n      minY = 0,\n      maxY = 100,\n      rangeY = 100,\n      arrow = bar.find('img:first'), // the arrow image to drag\n      changeEvents = [];\n\n    $.extend(true, $this, // public properties, methods, and event bindings - these we need to access from other controls\n      {\n        val,\n        range,\n        bind,\n        unbind,\n        destroy\n      }\n    );\n    // initialize this control\n    arrow.src = options.arrow && options.arrow.image;\n    arrow.w = (options.arrow && options.arrow.width) || arrow.width();\n    arrow.h = (options.arrow && options.arrow.height) || arrow.height();\n    bar.w = (options.map && options.map.width) || bar.width();\n    bar.h = (options.map && options.map.height) || bar.height();\n    // bind mousedown event\n    bar.bind('mousedown', mouseDown);\n    bind.call($this, draw);\n  }\n  // controls for all the input elements for the typing in color values\n  function ColorValuePicker (picker, color, bindedHex, alphaPrecision) {\n    const $this = this; // private properties and methods\n    const inputs = picker.find('td.Text input');\n    // input box key down - use arrows to alter color\n    function keyDown (e) {\n      if (e.target.value === '' && e.target !== hex.get(0) && ((bindedHex != null && e.target !== bindedHex.get(0)) || bindedHex == null)) return;\n      if (!validateKey(e)) return e;\n      switch (e.target) {\n      case red.get(0):\n        switch (e.keyCode) {\n        case 38:\n          red.val(setValueInRange.call($this, (red.val() << 0) + 1, 0, 255));\n          color.val('r', red.val(), e.target);\n          return false;\n        case 40:\n          red.val(setValueInRange.call($this, (red.val() << 0) - 1, 0, 255));\n          color.val('r', red.val(), e.target);\n          return false;\n        }\n        break;\n      case green.get(0):\n        switch (e.keyCode) {\n        case 38:\n          green.val(setValueInRange.call($this, (green.val() << 0) + 1, 0, 255));\n          color.val('g', green.val(), e.target);\n          return false;\n        case 40:\n          green.val(setValueInRange.call($this, (green.val() << 0) - 1, 0, 255));\n          color.val('g', green.val(), e.target);\n          return false;\n        }\n        break;\n      case blue.get(0):\n        switch (e.keyCode) {\n        case 38:\n          blue.val(setValueInRange.call($this, (blue.val() << 0) + 1, 0, 255));\n          color.val('b', blue.val(), e.target);\n          return false;\n        case 40:\n          blue.val(setValueInRange.call($this, (blue.val() << 0) - 1, 0, 255));\n          color.val('b', blue.val(), e.target);\n          return false;\n        }\n        break;\n      case alpha && alpha.get(0):\n        switch (e.keyCode) {\n        case 38:\n          alpha.val(setValueInRange.call($this, parseFloat(alpha.val()) + 1, 0, 100));\n          color.val('a', toFixedNumeric((alpha.val() * 255) / 100, alphaPrecision), e.target);\n          return false;\n        case 40:\n          alpha.val(setValueInRange.call($this, parseFloat(alpha.val()) - 1, 0, 100));\n          color.val('a', toFixedNumeric((alpha.val() * 255) / 100, alphaPrecision), e.target);\n          return false;\n        }\n        break;\n      case hue.get(0):\n        switch (e.keyCode) {\n        case 38:\n          hue.val(setValueInRange.call($this, (hue.val() << 0) + 1, 0, 360));\n          color.val('h', hue.val(), e.target);\n          return false;\n        case 40:\n          hue.val(setValueInRange.call($this, (hue.val() << 0) - 1, 0, 360));\n          color.val('h', hue.val(), e.target);\n          return false;\n        }\n        break;\n      case saturation.get(0):\n        switch (e.keyCode) {\n        case 38:\n          saturation.val(setValueInRange.call($this, (saturation.val() << 0) + 1, 0, 100));\n          color.val('s', saturation.val(), e.target);\n          return false;\n        case 40:\n          saturation.val(setValueInRange.call($this, (saturation.val() << 0) - 1, 0, 100));\n          color.val('s', saturation.val(), e.target);\n          return false;\n        }\n        break;\n      case value.get(0):\n        switch (e.keyCode) {\n        case 38:\n          value.val(setValueInRange.call($this, (value.val() << 0) + 1, 0, 100));\n          color.val('v', value.val(), e.target);\n          return false;\n        case 40:\n          value.val(setValueInRange.call($this, (value.val() << 0) - 1, 0, 100));\n          color.val('v', value.val(), e.target);\n          return false;\n        }\n        break;\n      }\n    }\n    // input box key up - validate value and set color\n    function keyUp (e) {\n      if (e.target.value === '' && e.target !== hex.get(0) &&\n        ((bindedHex != null && e.target !== bindedHex.get(0)) ||\n        bindedHex == null)) return;\n      if (!validateKey(e)) return e;\n      switch (e.target) {\n      case red.get(0):\n        red.val(setValueInRange.call($this, red.val(), 0, 255));\n        color.val('r', red.val(), e.target);\n        break;\n      case green.get(0):\n        green.val(setValueInRange.call($this, green.val(), 0, 255));\n        color.val('g', green.val(), e.target);\n        break;\n      case blue.get(0):\n        blue.val(setValueInRange.call($this, blue.val(), 0, 255));\n        color.val('b', blue.val(), e.target);\n        break;\n      case alpha && alpha.get(0):\n        alpha.val(setValueInRange.call($this, alpha.val(), 0, 100));\n        color.val('a', toFixedNumeric((alpha.val() * 255) / 100, alphaPrecision), e.target);\n        break;\n      case hue.get(0):\n        hue.val(setValueInRange.call($this, hue.val(), 0, 360));\n        color.val('h', hue.val(), e.target);\n        break;\n      case saturation.get(0):\n        saturation.val(setValueInRange.call($this, saturation.val(), 0, 100));\n        color.val('s', saturation.val(), e.target);\n        break;\n      case value.get(0):\n        value.val(setValueInRange.call($this, value.val(), 0, 100));\n        color.val('v', value.val(), e.target);\n        break;\n      case hex.get(0):\n        hex.val(hex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 6));\n        bindedHex && bindedHex.val(hex.val());\n        color.val('hex', hex.val() !== '' ? hex.val() : null, e.target);\n        break;\n      case bindedHex && bindedHex.get(0):\n        bindedHex.val(bindedHex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 6));\n        hex.val(bindedHex.val());\n        color.val('hex', bindedHex.val() !== '' ? bindedHex.val() : null, e.target);\n        break;\n      case ahex && ahex.get(0):\n        ahex.val(ahex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 2));\n        color.val('a', ahex.val() != null ? parseInt(ahex.val(), 16) : null, e.target);\n        break;\n      }\n    }\n    // input box blur - reset to original if value empty\n    function blur (e) {\n      if (color.val() != null) {\n        switch (e.target) {\n        case red.get(0): red.val(color.val('r')); break;\n        case green.get(0): green.val(color.val('g')); break;\n        case blue.get(0): blue.val(color.val('b')); break;\n        case alpha && alpha.get(0): alpha.val(toFixedNumeric((color.val('a') * 100) / 255, alphaPrecision)); break;\n        case hue.get(0): hue.val(color.val('h')); break;\n        case saturation.get(0): saturation.val(color.val('s')); break;\n        case value.get(0): value.val(color.val('v')); break;\n        case hex.get(0):\n        case bindedHex && bindedHex.get(0):\n          hex.val(color.val('hex'));\n          bindedHex && bindedHex.val(color.val('hex'));\n          break;\n        case ahex && ahex.get(0): ahex.val(color.val('ahex').substring(6)); break;\n        }\n      }\n    }\n    function validateKey (e) {\n      switch (e.keyCode) {\n      case 9:\n      case 16:\n      case 29:\n      case 37:\n      case 39:\n        return false;\n      case 'c'.charCodeAt():\n      case 'v'.charCodeAt():\n        if (e.ctrlKey) return false;\n      }\n      return true;\n    }\n    // constrain value within range\n    function setValueInRange (value, min, max) {\n      if (value === '' || isNaN(value)) return min;\n      if (value > max) return max;\n      if (value < min) return min;\n      return value;\n    }\n    function colorChanged (ui, context) {\n      const all = ui.val('all');\n      if (context !== red.get(0)) red.val(all != null ? all.r : '');\n      if (context !== green.get(0)) green.val(all != null ? all.g : '');\n      if (context !== blue.get(0)) blue.val(all != null ? all.b : '');\n      if (alpha && context !== alpha.get(0)) alpha.val(all != null ? toFixedNumeric((all.a * 100) / 255, alphaPrecision) : '');\n      if (context !== hue.get(0)) hue.val(all != null ? all.h : '');\n      if (context !== saturation.get(0)) saturation.val(all != null ? all.s : '');\n      if (context !== value.get(0)) value.val(all != null ? all.v : '');\n      if (context !== hex.get(0) && ((bindedHex && context !== bindedHex.get(0)) || !bindedHex)) hex.val(all != null ? all.hex : '');\n      if (bindedHex && context !== bindedHex.get(0) && context !== hex.get(0)) bindedHex.val(all != null ? all.hex : '');\n      if (ahex && context !== ahex.get(0)) ahex.val(all != null ? all.ahex.substring(6) : '');\n    }\n    function destroy () {\n      // unbind all events and null objects\n      red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).add(hex).add(bindedHex).add(ahex).unbind('keyup', keyUp).unbind('blur', blur);\n      red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).unbind('keydown', keyDown);\n      color.unbind(colorChanged);\n      red = null;\n      green = null;\n      blue = null;\n      alpha = null;\n      hue = null;\n      saturation = null;\n      value = null;\n      hex = null;\n      ahex = null;\n    }\n    let\n      red = inputs.eq(3),\n      green = inputs.eq(4),\n      blue = inputs.eq(5),\n      alpha = inputs.length > 7 ? inputs.eq(6) : null,\n      hue = inputs.eq(0),\n      saturation = inputs.eq(1),\n      value = inputs.eq(2),\n      hex = inputs.eq(inputs.length > 7 ? 7 : 6),\n      ahex = inputs.length > 7 ? inputs.eq(8) : null;\n    $.extend(true, $this, {\n      // public properties and methods\n      destroy\n    });\n    red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).add(hex).add(bindedHex).add(ahex).bind('keyup', keyUp).bind('blur', blur);\n    red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).bind('keydown', keyDown);\n    color.bind(colorChanged);\n  }\n\n  /**\n  * @typedef {PlainObject} module:jPicker.JPickerInit\n  * @property {Integer} a\n  * @property {Integer} b\n  * @property {Integer} g\n  * @property {Integer} h\n  * @property {Integer} r\n  * @property {Integer} s\n  * @property {Integer} v\n  * @property {string} hex\n  * @property {string} ahex\n  */\n\n  /**\n  * @namespace {PlainObject} jPicker\n  * @memberof external:jQuery\n  */\n  $.jPicker = /** @lends external:jQuery.jPicker */ {\n    /**\n    * Array holding references to each active instance of the jPicker control\n    * @type {external:jQuery.fn.$.fn.jPicker[]}\n    */\n    List: [],\n    /**\n    * Color object - we will be able to assign by any color space type or\n    * retrieve any color space info.\n    * We want this public so we can optionally assign new color objects to\n    * initial values using inputs other than a string hex value (also supported)\n    * Note: JSDoc didn't document when expressed here as an ES6 Class.\n    * @namespace\n    * @class\n    * @memberof external:jQuery.jPicker\n    * @param {module:jPicker.JPickerInit} init\n    */\n    Color: function (init) {\n      const $this = this;\n      function fireChangeEvents (context) {\n        for (let i = 0; i < changeEvents.length; i++) changeEvents[i].call($this, $this, context);\n      }\n      function val (name, value, context) {\n        // Kind of ugly\n        const set = Boolean(value);\n        if (set && value.ahex === '') value.ahex = '00000000';\n        if (!set) {\n          if (name === undefined || name == null || name === '') name = 'all';\n          if (r == null) return null;\n          switch (name.toLowerCase()) {\n          case 'ahex': return ColorMethods.rgbaToHex({r, g, b, a});\n          case 'hex': return val('ahex').substring(0, 6);\n          case 'all': return {r, g, b, a, h, s, v, hex: val.call($this, 'hex'), ahex: val.call($this, 'ahex')};\n          default:\n            let ret = {};\n            for (let i = 0; i < name.length; i++) {\n              switch (name.charAt(i)) {\n              case 'r':\n                if (name.length === 1) ret = r;\n                else ret.r = r;\n                break;\n              case 'g':\n                if (name.length === 1) ret = g;\n                else ret.g = g;\n                break;\n              case 'b':\n                if (name.length === 1) ret = b;\n                else ret.b = b;\n                break;\n              case 'a':\n                if (name.length === 1) ret = a;\n                else ret.a = a;\n                break;\n              case 'h':\n                if (name.length === 1) ret = h;\n                else ret.h = h;\n                break;\n              case 's':\n                if (name.length === 1) ret = s;\n                else ret.s = s;\n                break;\n              case 'v':\n                if (name.length === 1) ret = v;\n                else ret.v = v;\n                break;\n              }\n            }\n            return !name.length ? val.call($this, 'all') : ret;\n          }\n        }\n        if (context != null && context === $this) return;\n        if (name == null) name = '';\n\n        let changed = false;\n        if (value == null) {\n          if (r != null) {\n            r = null;\n            changed = true;\n          }\n          if (g != null) {\n            g = null;\n            changed = true;\n          }\n          if (b != null) {\n            b = null;\n            changed = true;\n          }\n          if (a != null) {\n            a = null;\n            changed = true;\n          }\n          if (h != null) {\n            h = null;\n            changed = true;\n          }\n          if (s != null) {\n            s = null;\n            changed = true;\n          }\n          if (v != null) {\n            v = null;\n            changed = true;\n          }\n          changed && fireChangeEvents.call($this, context || $this);\n          return;\n        }\n        switch (name.toLowerCase()) {\n        case 'ahex':\n        case 'hex':\n          const ret = ColorMethods.hexToRgba((value && (value.ahex || value.hex)) || value || 'none');\n          val.call($this, 'rgba', {r: ret.r, g: ret.g, b: ret.b, a: name === 'ahex' ? ret.a : a != null ? a : 255}, context);\n          break;\n        default:\n          if (value && (value.ahex != null || value.hex != null)) {\n            val.call($this, 'ahex', value.ahex || value.hex || '00000000', context);\n            return;\n          }\n          const newV = {};\n          let rgb = false, hsv = false;\n          if (value.r !== undefined && !name.includes('r')) name += 'r';\n          if (value.g !== undefined && !name.includes('g')) name += 'g';\n          if (value.b !== undefined && !name.includes('b')) name += 'b';\n          if (value.a !== undefined && !name.includes('a')) name += 'a';\n          if (value.h !== undefined && !name.includes('h')) name += 'h';\n          if (value.s !== undefined && !name.includes('s')) name += 's';\n          if (value.v !== undefined && !name.includes('v')) name += 'v';\n          for (let i = 0; i < name.length; i++) {\n            switch (name.charAt(i)) {\n            case 'r':\n              if (hsv) continue;\n              rgb = true;\n              newV.r = (value.r && value.r | 0) || (value | 0) || 0;\n              if (newV.r < 0) newV.r = 0;\n              else if (newV.r > 255) newV.r = 255;\n              if (r !== newV.r) {\n                ({r} = newV);\n                changed = true;\n              }\n              break;\n            case 'g':\n              if (hsv) continue;\n              rgb = true;\n              newV.g = (value && value.g && value.g | 0) || (value && value | 0) || 0;\n              if (newV.g < 0) newV.g = 0;\n              else if (newV.g > 255) newV.g = 255;\n              if (g !== newV.g) {\n                ({g} = newV);\n                changed = true;\n              }\n              break;\n            case 'b':\n              if (hsv) continue;\n              rgb = true;\n              newV.b = (value && value.b && value.b | 0) || (value && value | 0) || 0;\n              if (newV.b < 0) newV.b = 0;\n              else if (newV.b > 255) newV.b = 255;\n              if (b !== newV.b) {\n                ({b} = newV);\n                changed = true;\n              }\n              break;\n            case 'a':\n              newV.a = value && value.a != null ? value.a | 0 : value | 0;\n              if (newV.a < 0) newV.a = 0;\n              else if (newV.a > 255) newV.a = 255;\n              if (a !== newV.a) {\n                ({a} = newV);\n                changed = true;\n              }\n              break;\n            case 'h':\n              if (rgb) continue;\n              hsv = true;\n              newV.h = (value && value.h && value.h | 0) || (value && value | 0) || 0;\n              if (newV.h < 0) newV.h = 0;\n              else if (newV.h > 360) newV.h = 360;\n              if (h !== newV.h) {\n                ({h} = newV);\n                changed = true;\n              }\n              break;\n            case 's':\n              if (rgb) continue;\n              hsv = true;\n              newV.s = value.s != null ? value.s | 0 : value | 0;\n              if (newV.s < 0) newV.s = 0;\n              else if (newV.s > 100) newV.s = 100;\n              if (s !== newV.s) {\n                ({s} = newV);\n                changed = true;\n              }\n              break;\n            case 'v':\n              if (rgb) continue;\n              hsv = true;\n              newV.v = value.v != null ? value.v | 0 : value | 0;\n              if (newV.v < 0) newV.v = 0;\n              else if (newV.v > 100) newV.v = 100;\n              if (v !== newV.v) {\n                ({v} = newV);\n                changed = true;\n              }\n              break;\n            }\n          }\n          if (changed) {\n            if (rgb) {\n              r = r || 0;\n              g = g || 0;\n              b = b || 0;\n              const ret = ColorMethods.rgbToHsv({r, g, b});\n              ({h, s, v} = ret);\n            } else if (hsv) {\n              h = h || 0;\n              s = s != null ? s : 100;\n              v = v != null ? v : 100;\n              const ret = ColorMethods.hsvToRgb({h, s, v});\n              ({r, g, b} = ret);\n            }\n            a = a != null ? a : 255;\n            fireChangeEvents.call($this, context || $this);\n          }\n          break;\n        }\n      }\n      function bind (callback) {\n        if (typeof callback === 'function') changeEvents.push(callback);\n      }\n      function unbind (callback) {\n        if (typeof callback !== 'function') return;\n        let i;\n        while ((i = changeEvents.includes(callback))) {\n          changeEvents.splice(i, 1);\n        }\n      }\n      function destroy () {\n        changeEvents = null;\n      }\n      let r, g, b, a, h, s, v, changeEvents = [];\n\n      $.extend(true, $this, {\n        // public properties and methods\n        val,\n        bind,\n        unbind,\n        destroy\n      });\n      if (init) {\n        if (init.ahex != null) {\n          val('ahex', init);\n        } else if (init.hex != null) {\n          val(\n            (init.a != null ? 'a' : '') + 'hex',\n            init.a != null\n              ? {ahex: init.hex + ColorMethods.intToHex(init.a)}\n              : init\n          );\n        } else if (init.r != null && init.g != null && init.b != null) {\n          val('rgb' + (init.a != null ? 'a' : ''), init);\n        } else if (init.h != null && init.s != null && init.v != null) {\n          val('hsv' + (init.a != null ? 'a' : ''), init);\n        }\n      }\n    },\n    /**\n    * color conversion methods  - make public to give use to external scripts\n    * @namespace\n    */\n    ColorMethods: {\n      /**\n      * @typedef {PlainObject} module:jPicker.RGBA\n      * @property {Integer} r\n      * @property {Integer} g\n      * @property {Integer} b\n      * @property {Integer} a\n      */\n      /**\n      * @typedef {PlainObject} module:jPicker.RGB\n      * @property {Integer} r\n      * @property {Integer} g\n      * @property {Integer} b\n      */\n      /**\n      * @param {string} hex\n      * @returns {module:jPicker.RGBA}\n      */\n      hexToRgba (hex) {\n        if (hex === '' || hex === 'none') return {r: null, g: null, b: null, a: null};\n        hex = this.validateHex(hex);\n        let r = '00', g = '00', b = '00', a = '255';\n        if (hex.length === 6) hex += 'ff';\n        if (hex.length > 6) {\n          r = hex.substring(0, 2);\n          g = hex.substring(2, 4);\n          b = hex.substring(4, 6);\n          a = hex.substring(6, hex.length);\n        } else {\n          if (hex.length > 4) {\n            r = hex.substring(4, hex.length);\n            hex = hex.substring(0, 4);\n          }\n          if (hex.length > 2) {\n            g = hex.substring(2, hex.length);\n            hex = hex.substring(0, 2);\n          }\n          if (hex.length > 0) b = hex.substring(0, hex.length);\n        }\n        return {\n          r: this.hexToInt(r), g: this.hexToInt(g), b: this.hexToInt(b), a: this.hexToInt(a)\n        };\n      },\n      /**\n      * @param {string} hex\n      * @returns {string}\n      */\n      validateHex (hex) {\n        // if (typeof hex === 'object') return '';\n        hex = hex.toLowerCase().replace(/[^a-f0-9]/g, '');\n        if (hex.length > 8) hex = hex.substring(0, 8);\n        return hex;\n      },\n      /**\n      * @param {module:jPicker.RGBA} rgba\n      * @returns {string}\n      */\n      rgbaToHex (rgba) {\n        return this.intToHex(rgba.r) + this.intToHex(rgba.g) + this.intToHex(rgba.b) + this.intToHex(rgba.a);\n      },\n      /**\n      * @param {Integer} dec\n      * @returns {string}\n      */\n      intToHex (dec) {\n        let result = (dec | 0).toString(16);\n        if (result.length === 1) result = ('0' + result);\n        return result.toLowerCase();\n      },\n      /**\n      * @param {string} hex\n      * @returns {Integer}\n      */\n      hexToInt (hex) {\n        return parseInt(hex, 16);\n      },\n      /**\n      * @typedef {PlainObject} module:jPicker.HSV\n      * @property {Integer} h\n      * @property {Integer} s\n      * @property {Integer} v\n      */\n      /**\n      * @param {module:jPicker.RGB} rgb\n      * @returns {module:jPicker.HSV}\n      */\n      rgbToHsv (rgb) {\n        const r = rgb.r / 255, g = rgb.g / 255, b = rgb.b / 255, hsv = {h: 0, s: 0, v: 0};\n        let min = 0, max = 0;\n        if (r >= g && r >= b) {\n          max = r;\n          min = g > b ? b : g;\n        } else if (g >= b && g >= r) {\n          max = g;\n          min = r > b ? b : r;\n        } else {\n          max = b;\n          min = g > r ? r : g;\n        }\n        hsv.v = max;\n        hsv.s = max ? (max - min) / max : 0;\n        let delta;\n        if (!hsv.s) hsv.h = 0;\n        else {\n          delta = max - min;\n          if (r === max) hsv.h = (g - b) / delta;\n          else if (g === max) hsv.h = 2 + (b - r) / delta;\n          else hsv.h = 4 + (r - g) / delta;\n          hsv.h = parseInt(hsv.h * 60);\n          if (hsv.h < 0) hsv.h += 360;\n        }\n        hsv.s = (hsv.s * 100) | 0;\n        hsv.v = (hsv.v * 100) | 0;\n        return hsv;\n      },\n      /**\n      * @param {module:jPicker.HSV} hsv\n      * @returns {module:jPicker.RGB}\n      */\n      hsvToRgb (hsv) {\n        const rgb = {r: 0, g: 0, b: 0, a: 100};\n        let {h, s, v} = hsv;\n        if (s === 0) {\n          if (v === 0) rgb.r = rgb.g = rgb.b = 0;\n          else rgb.r = rgb.g = rgb.b = (v * 255 / 100) | 0;\n        } else {\n          if (h === 360) h = 0;\n          h /= 60;\n          s = s / 100;\n          v = v / 100;\n          const i = h | 0,\n            f = h - i,\n            p = v * (1 - s),\n            q = v * (1 - (s * f)),\n            t = v * (1 - (s * (1 - f)));\n          switch (i) {\n          case 0:\n            rgb.r = v;\n            rgb.g = t;\n            rgb.b = p;\n            break;\n          case 1:\n            rgb.r = q;\n            rgb.g = v;\n            rgb.b = p;\n            break;\n          case 2:\n            rgb.r = p;\n            rgb.g = v;\n            rgb.b = t;\n            break;\n          case 3:\n            rgb.r = p;\n            rgb.g = q;\n            rgb.b = v;\n            break;\n          case 4:\n            rgb.r = t;\n            rgb.g = p;\n            rgb.b = v;\n            break;\n          case 5:\n            rgb.r = v;\n            rgb.g = p;\n            rgb.b = q;\n            break;\n          }\n          rgb.r = (rgb.r * 255) | 0;\n          rgb.g = (rgb.g * 255) | 0;\n          rgb.b = (rgb.b * 255) | 0;\n        }\n        return rgb;\n      }\n    }\n  };\n  const {Color, List, ColorMethods} = $.jPicker; // local copies for YUI compressor\n  /**\n   * @function external:jQuery.fn.jPicker\n   * @see {@link external:jQuery.fn.$.fn.jPicker}\n   */\n  /**\n  * While it would seem this should specify the name `jPicker` for JSDoc, that doesn't\n  *   get us treated as a function as well as a namespace (even with `@function name`),\n  *   so we use an approach to add a redundant `$.fn.` in the name.\n  * @namespace\n  * @memberof external:jQuery.fn\n  * @param {external:jQuery.fn.jPickerOptions} options\n  * @returns {external:jQuery}\n  */\n  $.fn.jPicker = function (options) {\n    const $arguments = arguments;\n    return this.each(function () {\n      const $this = this, settings = $.extend(true, {}, $.fn.jPicker.defaults, options); // local copies for YUI compressor\n      if ($($this).get(0).nodeName.toLowerCase() === 'input') { // Add color picker icon if binding to an input element and bind the events to the input\n        $.extend(true, settings, {\n          window: {\n            bindToInput: true,\n            expandable: true,\n            input: $($this)\n          }\n        });\n        if ($($this).val() === '') {\n          settings.color.active = new Color({hex: null});\n          settings.color.current = new Color({hex: null});\n        } else if (ColorMethods.validateHex($($this).val())) {\n          settings.color.active = new Color({hex: $($this).val(), a: settings.color.active.val('a')});\n          settings.color.current = new Color({hex: $($this).val(), a: settings.color.active.val('a')});\n        }\n      }\n      if (settings.window.expandable) {\n        $($this).after('<span class=\"jPicker\"><span class=\"Icon\"><span class=\"Color\">&nbsp;</span><span class=\"Alpha\">&nbsp;</span><span class=\"Image\" title=\"Click To Open Color Picker\">&nbsp;</span><span class=\"Container\">&nbsp;</span></span></span>');\n      } else {\n        settings.window.liveUpdate = false; // Basic control binding for inline use - You will need to override the liveCallback or commitCallback function to retrieve results\n      }\n      const isLessThanIE7 = parseFloat(navigator.appVersion.split('MSIE')[1]) < 7 && document.body.filters; // needed to run the AlphaImageLoader function for IE6\n      // set color mode and update visuals for the new color mode\n      /**\n       *\n       * @param {\"h\"|\"s\"|\"v\"|\"r\"|\"g\"|\"b\"|\"a\"} colorMode [description]\n       * @throws {Error} Invalid mode\n       */\n      function setColorMode (colorMode) {\n        const {active} = color, // local copies for YUI compressor\n          // {clientPath} = images,\n          hex = active.val('hex');\n        let rgbMap, rgbBar;\n        settings.color.mode = colorMode;\n        switch (colorMode) {\n        case 'h':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, 'transparent');\n            setImgLoc.call($this, colorMapL1, 0);\n            setAlpha.call($this, colorMapL1, 100);\n            setImgLoc.call($this, colorMapL2, 260);\n            setAlpha.call($this, colorMapL2, 100);\n            setBG.call($this, colorBarDiv, 'transparent');\n            setImgLoc.call($this, colorBarL1, 0);\n            setAlpha.call($this, colorBarL1, 100);\n            setImgLoc.call($this, colorBarL2, 260);\n            setAlpha.call($this, colorBarL2, 100);\n            setImgLoc.call($this, colorBarL3, 260);\n            setAlpha.call($this, colorBarL3, 100);\n            setImgLoc.call($this, colorBarL4, 260);\n            setAlpha.call($this, colorBarL4, 100);\n            setImgLoc.call($this, colorBarL6, 260);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          colorMap.range('all', {minX: 0, maxX: 100, minY: 0, maxY: 100});\n          colorBar.range('rangeY', {minY: 0, maxY: 360});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('s'), y: 100 - active.val('v')}, colorMap);\n          colorBar.val('y', 360 - active.val('h'), colorBar);\n          break;\n        case 's':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, 'transparent');\n            setImgLoc.call($this, colorMapL1, -260);\n            setImgLoc.call($this, colorMapL2, -520);\n            setImgLoc.call($this, colorBarL1, -260);\n            setImgLoc.call($this, colorBarL2, -520);\n            setImgLoc.call($this, colorBarL6, 260);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          colorMap.range('all', {minX: 0, maxX: 360, minY: 0, maxY: 100});\n          colorBar.range('rangeY', {minY: 0, maxY: 100});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('h'), y: 100 - active.val('v')}, colorMap);\n          colorBar.val('y', 100 - active.val('s'), colorBar);\n          break;\n        case 'v':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, '000000');\n            setImgLoc.call($this, colorMapL1, -780);\n            setImgLoc.call($this, colorMapL2, 260);\n            setBG.call($this, colorBarDiv, hex);\n            setImgLoc.call($this, colorBarL1, -520);\n            setImgLoc.call($this, colorBarL2, 260);\n            setAlpha.call($this, colorBarL2, 100);\n            setImgLoc.call($this, colorBarL6, 260);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          colorMap.range('all', {minX: 0, maxX: 360, minY: 0, maxY: 100});\n          colorBar.range('rangeY', {minY: 0, maxY: 100});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('h'), y: 100 - active.val('s')}, colorMap);\n          colorBar.val('y', 100 - active.val('v'), colorBar);\n          break;\n        case 'r':\n          rgbMap = -1040;\n          rgbBar = -780;\n          colorMap.range('all', {minX: 0, maxX: 255, minY: 0, maxY: 255});\n          colorBar.range('rangeY', {minY: 0, maxY: 255});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('b'), y: 255 - active.val('g')}, colorMap);\n          colorBar.val('y', 255 - active.val('r'), colorBar);\n          break;\n        case 'g':\n          rgbMap = -1560;\n          rgbBar = -1820;\n          colorMap.range('all', {minX: 0, maxX: 255, minY: 0, maxY: 255});\n          colorBar.range('rangeY', {minY: 0, maxY: 255});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('b'), y: 255 - active.val('r')}, colorMap);\n          colorBar.val('y', 255 - active.val('g'), colorBar);\n          break;\n        case 'b':\n          rgbMap = -2080;\n          rgbBar = -2860;\n          colorMap.range('all', {minX: 0, maxX: 255, minY: 0, maxY: 255});\n          colorBar.range('rangeY', {minY: 0, maxY: 255});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('r'), y: 255 - active.val('g')}, colorMap);\n          colorBar.val('y', 255 - active.val('b'), colorBar);\n          break;\n        case 'a':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, 'transparent');\n            setImgLoc.call($this, colorMapL1, -260);\n            setImgLoc.call($this, colorMapL2, -520);\n            setImgLoc.call($this, colorBarL1, 260);\n            setImgLoc.call($this, colorBarL2, 260);\n            setAlpha.call($this, colorBarL2, 100);\n            setImgLoc.call($this, colorBarL6, 0);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          colorMap.range('all', {minX: 0, maxX: 360, minY: 0, maxY: 100});\n          colorBar.range('rangeY', {minY: 0, maxY: 255});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('h'), y: 100 - active.val('v')}, colorMap);\n          colorBar.val('y', 255 - active.val('a'), colorBar);\n          break;\n        default:\n          throw new Error('Invalid Mode');\n        }\n        switch (colorMode) {\n        case 'h':\n          break;\n        case 's':\n        case 'v':\n        case 'a':\n          setTimeout(function () {\n            setAlpha.call($this, colorMapL1, 100);\n            setAlpha.call($this, colorBarL1, 100);\n            setImgLoc.call($this, colorBarL3, 260);\n            setAlpha.call($this, colorBarL3, 100);\n            setImgLoc.call($this, colorBarL4, 260);\n            setAlpha.call($this, colorBarL4, 100);\n          }, 0);\n          break;\n        case 'r':\n        case 'g':\n        case 'b':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, 'transparent');\n            setBG.call($this, colorBarDiv, 'transparent');\n            setAlpha.call($this, colorBarL1, 100);\n            setAlpha.call($this, colorMapL1, 100);\n            setImgLoc.call($this, colorMapL1, rgbMap);\n            setImgLoc.call($this, colorMapL2, rgbMap - 260);\n            setImgLoc.call($this, colorBarL1, rgbBar - 780);\n            setImgLoc.call($this, colorBarL2, rgbBar - 520);\n            setImgLoc.call($this, colorBarL3, rgbBar);\n            setImgLoc.call($this, colorBarL4, rgbBar - 260);\n            setImgLoc.call($this, colorBarL6, 260);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          break;\n        }\n        if (active.val('ahex') == null) return;\n        activeColorChanged.call($this, active);\n      }\n      // Update color when user changes text values\n      function activeColorChanged (ui, context) {\n        if (context == null || (context !== colorBar && context !== colorMap)) positionMapAndBarArrows.call($this, ui, context);\n        setTimeout(function () {\n          updatePreview.call($this, ui);\n          updateMapVisuals.call($this, ui);\n          updateBarVisuals.call($this, ui);\n        }, 0);\n      }\n      // user has dragged the ColorMap pointer\n      function mapValueChanged (ui, context) {\n        const {active} = color;\n        if (context !== colorMap && active.val() == null) return;\n        const xy = ui.val('all');\n        switch (settings.color.mode) {\n        case 'h':\n          active.val('sv', {s: xy.x, v: 100 - xy.y}, context);\n          break;\n        case 's':\n        case 'a':\n          active.val('hv', {h: xy.x, v: 100 - xy.y}, context);\n          break;\n        case 'v':\n          active.val('hs', {h: xy.x, s: 100 - xy.y}, context);\n          break;\n        case 'r':\n          active.val('gb', {g: 255 - xy.y, b: xy.x}, context);\n          break;\n        case 'g':\n          active.val('rb', {r: 255 - xy.y, b: xy.x}, context);\n          break;\n        case 'b':\n          active.val('rg', {r: xy.x, g: 255 - xy.y}, context);\n          break;\n        }\n      }\n      // user has dragged the ColorBar slider\n      function colorBarValueChanged (ui, context) {\n        const {active} = color;\n        if (context !== colorBar && active.val() == null) return;\n        switch (settings.color.mode) {\n        case 'h':\n          active.val('h', {h: 360 - ui.val('y')}, context);\n          break;\n        case 's':\n          active.val('s', {s: 100 - ui.val('y')}, context);\n          break;\n        case 'v':\n          active.val('v', {v: 100 - ui.val('y')}, context);\n          break;\n        case 'r':\n          active.val('r', {r: 255 - ui.val('y')}, context);\n          break;\n        case 'g':\n          active.val('g', {g: 255 - ui.val('y')}, context);\n          break;\n        case 'b':\n          active.val('b', {b: 255 - ui.val('y')}, context);\n          break;\n        case 'a':\n          active.val('a', 255 - ui.val('y'), context);\n          break;\n        }\n      }\n      // position map and bar arrows to match current color\n      function positionMapAndBarArrows (ui, context) {\n        if (context !== colorMap) {\n          switch (settings.color.mode) {\n          case 'h':\n            const sv = ui.val('sv');\n            colorMap.val('xy', {x: sv != null ? sv.s : 100, y: 100 - (sv != null ? sv.v : 100)}, context);\n            break;\n          case 's':\n          case 'a':\n            const hv = ui.val('hv');\n            colorMap.val('xy', {x: (hv && hv.h) || 0, y: 100 - (hv != null ? hv.v : 100)}, context);\n            break;\n          case 'v':\n            const hs = ui.val('hs');\n            colorMap.val('xy', {x: (hs && hs.h) || 0, y: 100 - (hs != null ? hs.s : 100)}, context);\n            break;\n          case 'r':\n            const bg = ui.val('bg');\n            colorMap.val('xy', {x: (bg && bg.b) || 0, y: 255 - ((bg && bg.g) || 0)}, context);\n            break;\n          case 'g':\n            const br = ui.val('br');\n            colorMap.val('xy', {x: (br && br.b) || 0, y: 255 - ((br && br.r) || 0)}, context);\n            break;\n          case 'b':\n            const rg = ui.val('rg');\n            colorMap.val('xy', {x: (rg && rg.r) || 0, y: 255 - ((rg && rg.g) || 0)}, context);\n            break;\n          }\n        }\n        if (context !== colorBar) {\n          switch (settings.color.mode) {\n          case 'h':\n            colorBar.val('y', 360 - (ui.val('h') || 0), context);\n            break;\n          case 's':\n            const s = ui.val('s');\n            colorBar.val('y', 100 - (s != null ? s : 100), context);\n            break;\n          case 'v':\n            const v = ui.val('v');\n            colorBar.val('y', 100 - (v != null ? v : 100), context);\n            break;\n          case 'r':\n            colorBar.val('y', 255 - (ui.val('r') || 0), context);\n            break;\n          case 'g':\n            colorBar.val('y', 255 - (ui.val('g') || 0), context);\n            break;\n          case 'b':\n            colorBar.val('y', 255 - (ui.val('b') || 0), context);\n            break;\n          case 'a':\n            const a = ui.val('a');\n            colorBar.val('y', 255 - (a != null ? a : 255), context);\n            break;\n          }\n        }\n      }\n      function updatePreview (ui) {\n        try {\n          const all = ui.val('all');\n          activePreview.css({backgroundColor: (all && '#' + all.hex) || 'transparent'});\n          setAlpha.call($this, activePreview, (all && toFixedNumeric((all.a * 100) / 255, 4)) || 0);\n        } catch (e) { }\n      }\n      function updateMapVisuals (ui) {\n        switch (settings.color.mode) {\n        case 'h':\n          setBG.call($this, colorMapDiv, new Color({h: ui.val('h') || 0, s: 100, v: 100}).val('hex'));\n          break;\n        case 's':\n        case 'a':\n          const s = ui.val('s');\n          setAlpha.call($this, colorMapL2, 100 - (s != null ? s : 100));\n          break;\n        case 'v':\n          const v = ui.val('v');\n          setAlpha.call($this, colorMapL1, v != null ? v : 100);\n          break;\n        case 'r':\n          setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('r') || 0) / 255 * 100, 4));\n          break;\n        case 'g':\n          setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('g') || 0) / 255 * 100, 4));\n          break;\n        case 'b':\n          setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('b') || 0) / 255 * 100));\n          break;\n        }\n        const a = ui.val('a');\n        setAlpha.call($this, colorMapL3, toFixedNumeric(((255 - (a || 0)) * 100) / 255, 4));\n      }\n      function updateBarVisuals (ui) {\n        switch (settings.color.mode) {\n        case 'h':\n          const a = ui.val('a');\n          setAlpha.call($this, colorBarL5, toFixedNumeric(((255 - (a || 0)) * 100) / 255, 4));\n          break;\n        case 's':\n          const hva = ui.val('hva'),\n            saturatedColor = new Color({h: (hva && hva.h) || 0, s: 100, v: hva != null ? hva.v : 100});\n          setBG.call($this, colorBarDiv, saturatedColor.val('hex'));\n          setAlpha.call($this, colorBarL2, 100 - (hva != null ? hva.v : 100));\n          setAlpha.call($this, colorBarL5, toFixedNumeric(((255 - ((hva && hva.a) || 0)) * 100) / 255, 4));\n          break;\n        case 'v':\n          const hsa = ui.val('hsa'),\n            valueColor = new Color({h: (hsa && hsa.h) || 0, s: hsa != null ? hsa.s : 100, v: 100});\n          setBG.call($this, colorBarDiv, valueColor.val('hex'));\n          setAlpha.call($this, colorBarL5, toFixedNumeric(((255 - ((hsa && hsa.a) || 0)) * 100) / 255, 4));\n          break;\n        case 'r':\n        case 'g':\n        case 'b':\n          const rgba = ui.val('rgba');\n          let hValue = 0, vValue = 0;\n          if (settings.color.mode === 'r') {\n            hValue = (rgba && rgba.b) || 0;\n            vValue = (rgba && rgba.g) || 0;\n          } else if (settings.color.mode === 'g') {\n            hValue = (rgba && rgba.b) || 0;\n            vValue = (rgba && rgba.r) || 0;\n          } else if (settings.color.mode === 'b') {\n            hValue = (rgba && rgba.r) || 0;\n            vValue = (rgba && rgba.g) || 0;\n          }\n          const middle = vValue > hValue ? hValue : vValue;\n          setAlpha.call($this, colorBarL2, hValue > vValue ? toFixedNumeric(((hValue - vValue) / (255 - vValue)) * 100, 4) : 0);\n          setAlpha.call($this, colorBarL3, vValue > hValue ? toFixedNumeric(((vValue - hValue) / (255 - hValue)) * 100, 4) : 0);\n          setAlpha.call($this, colorBarL4, toFixedNumeric((middle / 255) * 100, 4));\n          setAlpha.call($this, colorBarL5, toFixedNumeric(((255 - ((rgba && rgba.a) || 0)) * 100) / 255, 4));\n          break;\n        case 'a': {\n          const a = ui.val('a');\n          setBG.call($this, colorBarDiv, ui.val('hex') || '000000');\n          setAlpha.call($this, colorBarL5, a != null ? 0 : 100);\n          setAlpha.call($this, colorBarL6, a != null ? 100 : 0);\n          break;\n        }\n        }\n      }\n      function setBG (el, c) {\n        el.css({backgroundColor: (c && c.length === 6 && '#' + c) || 'transparent'});\n      }\n      function setImg (img, src) {\n        if (isLessThanIE7 && (src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png'))) {\n          img.attr('pngSrc', src);\n          img.css({backgroundImage: 'none', filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\\'' + src + '\\', sizingMethod=\\'scale\\')'});\n        } else img.css({backgroundImage: 'url(\\'' + src + '\\')'});\n      }\n      function setImgLoc (img, y) {\n        img.css({top: y + 'px'});\n      }\n      function setAlpha (obj, alpha) {\n        obj.css({visibility: alpha > 0 ? 'visible' : 'hidden'});\n        if (alpha > 0 && alpha < 100) {\n          if (isLessThanIE7) {\n            const src = obj.attr('pngSrc');\n            if (src != null && (\n              src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png')\n            )) {\n              obj.css({filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\\'' + src + '\\', sizingMethod=\\'scale\\') progid:DXImageTransform.Microsoft.Alpha(opacity=' + alpha + ')'});\n            } else obj.css({opacity: toFixedNumeric(alpha / 100, 4)});\n          } else obj.css({opacity: toFixedNumeric(alpha / 100, 4)});\n        } else if (alpha === 0 || alpha === 100) {\n          if (isLessThanIE7) {\n            const src = obj.attr('pngSrc');\n            if (src != null && (\n              src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png')\n            )) {\n              obj.css({filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\\'' + src + '\\', sizingMethod=\\'scale\\')'});\n            } else obj.css({opacity: ''});\n          } else obj.css({opacity: ''});\n        }\n      }\n      // revert color to original color when opened\n      function revertColor () {\n        color.active.val('ahex', color.current.val('ahex'));\n      }\n      // commit the color changes\n      function commitColor () {\n        color.current.val('ahex', color.active.val('ahex'));\n      }\n      function radioClicked (e) {\n        $(this).parents('tbody:first').find('input:radio[value!=\"' + e.target.value + '\"]').removeAttr('checked');\n        setColorMode.call($this, e.target.value);\n      }\n      function currentClicked () {\n        revertColor.call($this);\n      }\n      function cancelClicked () {\n        revertColor.call($this);\n        settings.window.expandable && hide.call($this);\n        typeof cancelCallback === 'function' && cancelCallback.call($this, color.active, cancelButton);\n      }\n      function okClicked () {\n        commitColor.call($this);\n        settings.window.expandable && hide.call($this);\n        typeof commitCallback === 'function' && commitCallback.call($this, color.active, okButton);\n      }\n      function iconImageClicked () {\n        show.call($this);\n      }\n      function currentColorChanged (ui, context) {\n        const hex = ui.val('hex');\n        currentPreview.css({backgroundColor: (hex && '#' + hex) || 'transparent'});\n        setAlpha.call($this, currentPreview, toFixedNumeric(((ui.val('a') || 0) * 100) / 255, 4));\n      }\n      function expandableColorChanged (ui, context) {\n        const hex = ui.val('hex');\n        const va = ui.val('va');\n        iconColor.css({backgroundColor: (hex && '#' + hex) || 'transparent'});\n        setAlpha.call($this, iconAlpha, toFixedNumeric(((255 - ((va && va.a) || 0)) * 100) / 255, 4));\n        if (settings.window.bindToInput && settings.window.updateInputColor) {\n          settings.window.input.css({\n            backgroundColor: (hex && '#' + hex) || 'transparent',\n            color: va == null || va.v > 75 ? '#000000' : '#ffffff'\n          });\n        }\n      }\n      function moveBarMouseDown (e) {\n        // const {element} = settings.window, // local copies for YUI compressor\n        //     {page} = settings.window;\n        elementStartX = parseInt(container.css('left'));\n        elementStartY = parseInt(container.css('top'));\n        pageStartX = e.pageX;\n        pageStartY = e.pageY;\n        // bind events to document to move window - we will unbind these on mouseup\n        $(document).bind('mousemove', documentMouseMove).bind('mouseup', documentMouseUp);\n        e.preventDefault(); // prevent attempted dragging of the column\n      }\n      function documentMouseMove (e) {\n        container.css({left: elementStartX - (pageStartX - e.pageX) + 'px', top: elementStartY - (pageStartY - e.pageY) + 'px'});\n        if (settings.window.expandable && !$.support.boxModel) container.prev().css({left: container.css('left'), top: container.css('top')});\n        e.stopPropagation();\n        e.preventDefault();\n        return false;\n      }\n      function documentMouseUp (e) {\n        $(document).unbind('mousemove', documentMouseMove).unbind('mouseup', documentMouseUp);\n        e.stopPropagation();\n        e.preventDefault();\n        return false;\n      }\n      function quickPickClicked (e) {\n        e.preventDefault();\n        e.stopPropagation();\n        color.active.val('ahex', $(this).attr('title') || null, e.target);\n        return false;\n      }\n      function show () {\n        color.current.val('ahex', color.active.val('ahex'));\n        function attachIFrame () {\n          if (!settings.window.expandable || $.support.boxModel) return;\n          const table = container.find('table:first');\n          container.before('<iframe/>');\n          container.prev().css({width: table.width(), height: container.height(), opacity: 0, position: 'absolute', left: container.css('left'), top: container.css('top')});\n        }\n        if (settings.window.expandable) {\n          $(document.body).children('div.jPicker.Container').css({zIndex: 10});\n          container.css({zIndex: 20});\n        }\n        switch (settings.window.effects.type) {\n        case 'fade':\n          container.fadeIn(settings.window.effects.speed.show, attachIFrame);\n          break;\n        case 'slide':\n          container.slideDown(settings.window.effects.speed.show, attachIFrame);\n          break;\n        case 'show':\n        default:\n          container.show(settings.window.effects.speed.show, attachIFrame);\n          break;\n        }\n      }\n      function hide () {\n        function removeIFrame () {\n          if (settings.window.expandable) container.css({zIndex: 10});\n          if (!settings.window.expandable || $.support.boxModel) return;\n          container.prev().remove();\n        }\n        switch (settings.window.effects.type) {\n        case 'fade':\n          container.fadeOut(settings.window.effects.speed.hide, removeIFrame);\n          break;\n        case 'slide':\n          container.slideUp(settings.window.effects.speed.hide, removeIFrame);\n          break;\n        case 'show':\n        default:\n          container.hide(settings.window.effects.speed.hide, removeIFrame);\n          break;\n        }\n      }\n      function initialize () {\n        const win = settings.window,\n          popup = win.expandable ? $($this).next().find('.Container:first') : null;\n        container = win.expandable ? $('<div/>') : $($this);\n        container.addClass('jPicker Container');\n        if (win.expandable) container.hide();\n        container.get(0).onselectstart = function (event) { if (event.target.nodeName.toLowerCase() !== 'input') return false; };\n        // inject html source code - we are using a single table for this control - I know tables are considered bad, but it takes care of equal height columns and\n        // this control really is tabular data, so I believe it is the right move\n        const all = color.active.val('all');\n        if (win.alphaPrecision < 0) win.alphaPrecision = 0;\n        else if (win.alphaPrecision > 2) win.alphaPrecision = 2;\n        const controlHtml = `<table class=\"jPicker\" cellpadding=\"0\" cellspacing=\"0\">\n          <tbody>\n            ${win.expandable ? `<tr><td class=\"Move\" colspan=\"5\">&nbsp;</td></tr>` : ''}\n            <tr>\n              <td rowspan=\"9\"><h2 class=\"Title\">${win.title || localization.text.title}</h2><div class=\"Map\"><span class=\"Map1\">&nbsp;</span><span class=\"Map2\">&nbsp;</span><span class=\"Map3\">&nbsp;</span><img src=\"${images.clientPath + images.colorMap.arrow.file}\" class=\"Arrow\"/></div></td>\n              <td rowspan=\"9\"><div class=\"Bar\"><span class=\"Map1\">&nbsp;</span><span class=\"Map2\">&nbsp;</span><span class=\"Map3\">&nbsp;</span><span class=\"Map4\">&nbsp;</span><span class=\"Map5\">&nbsp;</span><span class=\"Map6\">&nbsp;</span><img src=\"${images.clientPath + images.colorBar.arrow.file}\" class=\"Arrow\"/></div></td>\n              <td colspan=\"2\" class=\"Preview\">${localization.text.newColor}<div><span class=\"Active\" title=\"${localization.tooltips.colors.newColor}\">&nbsp;</span><span class=\"Current\" title=\"${localization.tooltips.colors.currentColor}\">&nbsp;</span></div>${localization.text.currentColor}</td>\n              <td rowspan=\"9\" class=\"Button\"><input type=\"button\" class=\"Ok\" value=\"${localization.text.ok}\" title=\"${localization.tooltips.buttons.ok}\"/><input type=\"button\" class=\"Cancel\" value=\"${localization.text.cancel}\" title=\"${localization.tooltips.buttons.cancel}\"/><hr/><div class=\"Grid\">&nbsp;</div></td>\n            </tr>\n            <tr class=\"Hue\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.hue.radio}\"><input type=\"radio\" value=\"h\"${settings.color.mode === 'h' ? ' checked=\"checked\"' : ''}/>H:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.h : ''}\" title=\"${localization.tooltips.hue.textbox}\"/>&nbsp;&deg;</td>\n            </tr>\n            <tr class=\"Saturation\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.saturation.radio}\"><input type=\"radio\" value=\"s\"${settings.color.mode === 's' ? ' checked=\"checked\"' : ''}/>S:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.s : ''}\" title=\"${localization.tooltips.saturation.textbox}\"/>&nbsp;%</td>\n            </tr>\n            <tr class=\"Value\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.value.radio}\"><input type=\"radio\" value=\"v\"${settings.color.mode === 'v' ? ' checked=\"checked\"' : ''}/>V:</label><br/><br/></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.v : ''}\" title=\"${localization.tooltips.value.textbox}\"/>&nbsp;%<br/><br/></td>\n            </tr>\n            <tr class=\"Red\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.red.radio}\"><input type=\"radio\" value=\"r\"${settings.color.mode === 'r' ? ' checked=\"checked\"' : ''}/>R:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.r : ''}\" title=\"${localization.tooltips.red.textbox}\"/></td>\n            </tr>\n            <tr class=\"Green\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.green.radio}\"><input type=\"radio\" value=\"g\"${settings.color.mode === 'g' ? ' checked=\"checked\"' : ''}/>G:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.g : ''}\" title=\"${localization.tooltips.green.textbox}\"/></td>\n            </tr>\n            <tr class=\"Blue\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.blue.radio}\"><input type=\"radio\" value=\"b\"${settings.color.mode === 'b' ? ' checked=\"checked\"' : ''}/>B:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.b : ''}\" title=\"${localization.tooltips.blue.textbox}\"/></td>\n            </tr>\n            <tr class=\"Alpha\">\n              <td class=\"Radio\">${win.alphaSupport ? `<label title=\"${localization.tooltips.alpha.radio}\"><input type=\"radio\" value=\"a\"${settings.color.mode === 'a' ? ' checked=\"checked\"' : ''}/>A:</label>` : '&nbsp;'}</td>\n              <td class=\"Text\">${win.alphaSupport ? `<input type=\"text\" maxlength=\"${3 + win.alphaPrecision}\" value=\"${all != null ? toFixedNumeric((all.a * 100) / 255, win.alphaPrecision) : ''}\" title=\"${localization.tooltips.alpha.textbox}\"/>&nbsp;%` : '&nbsp;'}</td>\n            </tr>\n            <tr class=\"Hex\">\n              <td colspan=\"2\" class=\"Text\"><label title=\"${localization.tooltips.hex.textbox}\">#:<input type=\"text\" maxlength=\"6\" class=\"Hex\" value=\"${all != null ? all.hex : ''}\"/></label>${win.alphaSupport ? `<input type=\"text\" maxlength=\"2\" class=\"AHex\" value=\"${all != null ? all.ahex.substring(6) : ''}\" title=\"${localization.tooltips.hex.alpha}\"/></td>` : '&nbsp;'}\n            </tr>\n          </tbody></table>`;\n        if (win.expandable) {\n          container.html(controlHtml);\n          if (!$(document.body).children('div.jPicker.Container').length) {\n            $(document.body).prepend(container);\n          } else {\n            $(document.body).children('div.jPicker.Container:last').after(container);\n          }\n          container.mousedown(\n            function () {\n              $(document.body).children('div.jPicker.Container').css({zIndex: 10});\n              container.css({zIndex: 20});\n            });\n          container.css( // positions must be set and display set to absolute before source code injection or IE will size the container to fit the window\n            {\n              left:\n                win.position.x === 'left'\n                  ? (popup.offset().left - 530 - (win.position.y === 'center' ? 25 : 0)) + 'px'\n                  : win.position.x === 'center'\n                    ? (popup.offset().left - 260) + 'px'\n                    : win.position.x === 'right'\n                      ? (popup.offset().left - 10 + (win.position.y === 'center' ? 25 : 0)) + 'px'\n                      : win.position.x === 'screenCenter'\n                        ? (($(document).width() >> 1) - 260) + 'px'\n                        : (popup.offset().left + parseInt(win.position.x)) + 'px',\n              position: 'absolute',\n              top: win.position.y === 'top'\n                ? (popup.offset().top - 312) + 'px'\n                : win.position.y === 'center'\n                  ? (popup.offset().top - 156) + 'px'\n                  : win.position.y === 'bottom'\n                    ? (popup.offset().top + 25) + 'px'\n                    : (popup.offset().top + parseInt(win.position.y)) + 'px'\n            });\n        } else {\n          container = $($this);\n          container.html(controlHtml);\n        }\n        // initialize the objects to the source code just injected\n        const tbody = container.find('tbody:first');\n        colorMapDiv = tbody.find('div.Map:first');\n        colorBarDiv = tbody.find('div.Bar:first');\n        const MapMaps = colorMapDiv.find('span');\n        const BarMaps = colorBarDiv.find('span');\n        colorMapL1 = MapMaps.filter('.Map1:first');\n        colorMapL2 = MapMaps.filter('.Map2:first');\n        colorMapL3 = MapMaps.filter('.Map3:first');\n        colorBarL1 = BarMaps.filter('.Map1:first');\n        colorBarL2 = BarMaps.filter('.Map2:first');\n        colorBarL3 = BarMaps.filter('.Map3:first');\n        colorBarL4 = BarMaps.filter('.Map4:first');\n        colorBarL5 = BarMaps.filter('.Map5:first');\n        colorBarL6 = BarMaps.filter('.Map6:first');\n        // create color pickers and maps\n        colorMap = new Slider(colorMapDiv,\n          {\n            map: {\n              width: images.colorMap.width,\n              height: images.colorMap.height\n            },\n            arrow: {\n              image: images.clientPath + images.colorMap.arrow.file,\n              width: images.colorMap.arrow.width,\n              height: images.colorMap.arrow.height\n            }\n          }\n        );\n        colorMap.bind(mapValueChanged);\n        colorBar = new Slider(colorBarDiv,\n          {\n            map: {\n              width: images.colorBar.width,\n              height: images.colorBar.height\n            },\n            arrow: {\n              image: images.clientPath + images.colorBar.arrow.file,\n              width: images.colorBar.arrow.width,\n              height: images.colorBar.arrow.height\n            }\n          }\n        );\n        colorBar.bind(colorBarValueChanged);\n        colorPicker = new ColorValuePicker(\n          tbody,\n          color.active,\n          win.expandable && win.bindToInput ? win.input : null, win.alphaPrecision\n        );\n        const hex = all != null ? all.hex : null,\n          preview = tbody.find('.Preview'),\n          button = tbody.find('.Button');\n        activePreview = preview.find('.Active:first').css({backgroundColor: (hex && '#' + hex) || 'transparent'});\n        currentPreview = preview.find('.Current:first').css({backgroundColor: (hex && '#' + hex) || 'transparent'}).bind('click', currentClicked);\n        setAlpha.call($this, currentPreview, toFixedNumeric((color.current.val('a') * 100) / 255, 4));\n        okButton = button.find('.Ok:first').bind('click', okClicked);\n        cancelButton = button.find('.Cancel:first').bind('click', cancelClicked);\n        grid = button.find('.Grid:first');\n        setTimeout(function () {\n          setImg.call($this, colorMapL1, images.clientPath + 'Maps.png');\n          setImg.call($this, colorMapL2, images.clientPath + 'Maps.png');\n          setImg.call($this, colorMapL3, images.clientPath + 'map-opacity.png');\n          setImg.call($this, colorBarL1, images.clientPath + 'Bars.png');\n          setImg.call($this, colorBarL2, images.clientPath + 'Bars.png');\n          setImg.call($this, colorBarL3, images.clientPath + 'Bars.png');\n          setImg.call($this, colorBarL4, images.clientPath + 'Bars.png');\n          setImg.call($this, colorBarL5, images.clientPath + 'bar-opacity.png');\n          setImg.call($this, colorBarL6, images.clientPath + 'AlphaBar.png');\n          setImg.call($this, preview.find('div:first'), images.clientPath + 'preview-opacity.png');\n        }, 0);\n        tbody.find('td.Radio input').bind('click', radioClicked);\n        // initialize quick list\n        if (color.quickList && color.quickList.length > 0) {\n          let html = '';\n          for (let i = 0; i < color.quickList.length; i++) {\n            /* if default colors are hex strings, change them to color objects */\n            if ((typeof (color.quickList[i])).toString().toLowerCase() === 'string') color.quickList[i] = new Color({hex: color.quickList[i]});\n            const alpha = color.quickList[i].val('a');\n            let ahex = color.quickList[i].val('ahex');\n            if (!win.alphaSupport && ahex) ahex = ahex.substring(0, 6) + 'ff';\n            const quickHex = color.quickList[i].val('hex');\n            if (!ahex) ahex = '00000000';\n            html += '<span class=\"QuickColor\"' + (' title=\"#' + ahex + '\"') + ' style=\"background-color:' + ((quickHex && '#' + quickHex) || '') + ';' + (quickHex ? '' : 'background-image:url(' + images.clientPath + 'NoColor.png)') + (win.alphaSupport && alpha && alpha < 255 ? ';opacity:' + toFixedNumeric(alpha / 255, 4) + ';filter:Alpha(opacity=' + toFixedNumeric(alpha / 2.55, 4) + ')' : '') + '\">&nbsp;</span>';\n          }\n          setImg.call($this, grid, images.clientPath + 'bar-opacity.png');\n          grid.html(html);\n          grid.find('.QuickColor').click(quickPickClicked);\n        }\n        setColorMode.call($this, settings.color.mode);\n        color.active.bind(activeColorChanged);\n        typeof liveCallback === 'function' && color.active.bind(liveCallback);\n        color.current.bind(currentColorChanged);\n        // bind to input\n        if (win.expandable) {\n          $this.icon = popup.parents('.Icon:first');\n          iconColor = $this.icon.find('.Color:first').css({backgroundColor: (hex && '#' + hex) || 'transparent'});\n          iconAlpha = $this.icon.find('.Alpha:first');\n          setImg.call($this, iconAlpha, images.clientPath + 'bar-opacity.png');\n          setAlpha.call($this, iconAlpha, toFixedNumeric(((255 - (all != null ? all.a : 0)) * 100) / 255, 4));\n          iconImage = $this.icon.find('.Image:first').css({\n            backgroundImage: 'url(\\'' + images.clientPath + images.picker.file + '\\')'\n          }).bind('click', iconImageClicked);\n          if (win.bindToInput && win.updateInputColor) {\n            win.input.css({\n              backgroundColor: (hex && '#' + hex) || 'transparent',\n              color: all == null || all.v > 75 ? '#000000' : '#ffffff'\n            });\n          }\n          moveBar = tbody.find('.Move:first').bind('mousedown', moveBarMouseDown);\n          color.active.bind(expandableColorChanged);\n        } else show.call($this);\n      }\n      function destroy () {\n        container.find('td.Radio input').unbind('click', radioClicked);\n        currentPreview.unbind('click', currentClicked);\n        cancelButton.unbind('click', cancelClicked);\n        okButton.unbind('click', okClicked);\n        if (settings.window.expandable) {\n          iconImage.unbind('click', iconImageClicked);\n          moveBar.unbind('mousedown', moveBarMouseDown);\n          $this.icon = null;\n        }\n        container.find('.QuickColor').unbind('click', quickPickClicked);\n        colorMapDiv = null;\n        colorBarDiv = null;\n        colorMapL1 = null;\n        colorMapL2 = null;\n        colorMapL3 = null;\n        colorBarL1 = null;\n        colorBarL2 = null;\n        colorBarL3 = null;\n        colorBarL4 = null;\n        colorBarL5 = null;\n        colorBarL6 = null;\n        colorMap.destroy();\n        colorMap = null;\n        colorBar.destroy();\n        colorBar = null;\n        colorPicker.destroy();\n        colorPicker = null;\n        activePreview = null;\n        currentPreview = null;\n        okButton = null;\n        cancelButton = null;\n        grid = null;\n        commitCallback = null;\n        cancelCallback = null;\n        liveCallback = null;\n        container.html('');\n        for (let i = 0; i < List.length; i++) {\n          if (List[i] === $this) {\n            List.splice(i, 1);\n          }\n        }\n      }\n      const {images, localization} = settings; // local copies for YUI compressor\n      const color = {\n        active: (typeof settings.color.active).toString().toLowerCase() === 'string'\n          ? new Color({ahex: !settings.window.alphaSupport && settings.color.active\n            ? settings.color.active.substring(0, 6) + 'ff'\n            : settings.color.active\n          })\n          : new Color({ahex: !settings.window.alphaSupport &&\n              settings.color.active.val('ahex')\n            ? settings.color.active.val('ahex').substring(0, 6) + 'ff'\n            : settings.color.active.val('ahex')\n          }),\n        current: (typeof settings.color.active).toString().toLowerCase() === 'string'\n          ? new Color({ahex: !settings.window.alphaSupport && settings.color.active\n            ? settings.color.active.substring(0, 6) + 'ff'\n            : settings.color.active})\n          : new Color({ahex: !settings.window.alphaSupport &&\n              settings.color.active.val('ahex')\n            ? settings.color.active.val('ahex').substring(0, 6) + 'ff'\n            : settings.color.active.val('ahex')\n          }),\n        quickList: settings.color.quickList\n      };\n\n      let elementStartX = null, // Used to record the starting css positions for dragging the control\n        elementStartY = null,\n        pageStartX = null, // Used to record the mousedown coordinates for dragging the control\n        pageStartY = null,\n        container = null,\n        colorMapDiv = null,\n        colorBarDiv = null,\n        colorMapL1 = null, // different layers of colorMap and colorBar\n        colorMapL2 = null,\n        colorMapL3 = null,\n        colorBarL1 = null,\n        colorBarL2 = null,\n        colorBarL3 = null,\n        colorBarL4 = null,\n        colorBarL5 = null,\n        colorBarL6 = null,\n        colorMap = null, // color maps\n        colorBar = null,\n        colorPicker = null,\n        activePreview = null, // color boxes above the radio buttons\n        currentPreview = null,\n        okButton = null,\n        cancelButton = null,\n        grid = null, // preset colors grid\n        iconColor = null, // iconColor for popup icon\n        iconAlpha = null, // iconAlpha for popup icon\n        iconImage = null, // iconImage popup icon\n        moveBar = null, // drag bar\n        commitCallback = typeof $arguments[1] === 'function' ? $arguments[1] : null,\n        liveCallback = typeof $arguments[2] === 'function' ? $arguments[2] : null,\n        cancelCallback = typeof $arguments[3] === 'function' ? $arguments[3] : null;\n\n      $.extend(true, $this, {\n        // public properties, methods, and callbacks\n        commitCallback, // commitCallback function can be overridden to return the selected color to a method you specify when the user clicks \"OK\"\n        liveCallback, // liveCallback function can be overridden to return the selected color to a method you specify in live mode (continuous update)\n        cancelCallback, // cancelCallback function can be overridden to a method you specify when the user clicks \"Cancel\"\n        color,\n        show,\n        hide,\n        destroy // destroys this control entirely, removing all events and objects, and removing itself from the List\n      });\n      List.push($this);\n      setTimeout(function () {\n        initialize.call($this);\n      }, 0);\n    });\n  };\n  /**\n  * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsIconInfo\n  * @property {string} file Color Map/Color Bar/Color Picker arrow icon\n  * @property {Float} width\n  * @property {Float} height\n  */\n  /**\n  * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsImagesDimensionsArrow\n  * @property {Float} width\n  * @property {Float} height\n  * @property {external:jQuery.fn.jPickerOptionsIconInfo} arrow\n  */\n  /**\n  * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsRadioTextboxLocale\n  * @property {string} radio\n  * @property {string} textbox\n  */\n  /**\n  * @typedef {PlainObject} external:jQuery.fn.jPickerOptions\n  * @property {PlainObject} window\n  * @property {string|null} window.title Any title for the jPicker window itself - displays\n  * \"Drag Markers To Pick A Color\" if left null\n  * @property {PlainObject} window.effects\n  * @property {\"slide\"|\"show\"|\"fade\"} window.effects.type Effect used to show/hide an expandable picker\n  * @property {PlainObject} window.effects.speed\n  * @property {\"fast\"|\"slow\"|Float} window.effects.speed.show Duration of \"show\" effect. Time in milliseconds.\n  * @property {\"fast\"|\"slow\"|Float} window.effects.speed.hide Duration of \"hide\" effect. Time in milliseconds\n  * @property {PlainObject} window.position\n  * @property {\"left\"|\"center\"|\"right\"|\"screenCenter\"|Float} window.position.x Relative px value\n  * @property {\"top\"|\"bottom\"|\"center\"|Float} window.position.y Relative px value\n  * @property {boolean} window.expandable Defaults to large static picker - set to `true` to make an expandable\n  * picker (small icon with popup) - set automatically when binded to input element\n  * @property {boolean} window.liveUpdate Set `false` if you want the user to have to click \"OK\" before the\n  * binded input box updates values (always `true` for expandable picker)\n  * @property {boolean} window.alphaSupport Set to `true` to enable alpha picking\n  * @property {Float} window.alphaPrecision Set decimal precision for alpha percentage display - hex codes do\n  * not map directly to percentage integers - range 0-2\n  * @property {boolean} window.updateInputColor Set to `false` to prevent binded input colors from changing\n  * @property {PlainObject} color\n  * @property {\"h\"|\"s\"|\"v\"|\"r\"|\"g\"|\"b\"|\"a\"} color.mode Symbols stand for \"h\" (hue), \"s\" (saturation), \"v\" (value), \"r\" (red), \"g\" (green), \"b\" (blue), \"a\" (alpha)\n  * @property {Color|string} color.active Strings are HEX values (e.g. #ffc000) WITH OR WITHOUT the \"#\" prefix\n  * @property {Color[]|string[]} color.quickList The quick pick color list\n  * Strings are HEX values (e.g. #ffc000) WITH OR WITHOUT the \"#\" prefix\n  * @property {PlainObject} images\n  * @property {string} images.clientPath Path to image files\n  * @property {external:jQuery.fn.jPickerOptionsImagesDimensionsArrow} images.colorMap\n  * @property {external:jQuery.fn.jPickerOptionsImagesDimensionsArrow} images.colorBar\n  * @property {external:jQuery.fn.jPickerOptionsIconInfo} images.picker\n  * @property {PlainObject} localization alter these to change the text presented by the picker (e.g. different language)\n  * @property {PlainObject} localization.text\n  * @property {string} localization.text.title\n  * @property {string} localization.text.newColor\n  * @property {string} localization.text.currentColor\n  * @property {string} localization.text.ok\n  * @property {string} localization.text.cancel\n  * @property {PlainObject} localization.tooltips\n  * @property {PlainObject} localization.tooltips.colors\n  * @property {string} localization.tooltips.colors.newColor\n  * @property {string} localization.tooltips.colors.currentColor\n  * @property {PlainObject} localization.tooltips.buttons\n  * @property {string} localization.tooltips.buttons.ok\n  * @property {string} localization.tooltips.buttons.cancel\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.hue\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.saturation\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.value\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.red\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.green\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.blue\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.alpha\n  * @property {PlainObject} localization.tooltips.hex\n  * @property {string} localization.tooltips.hex.textbox\n  * @property {string} localization.tooltips.hex.alpha\n  */\n  /**\n  * jPicker defaults - you can change anything in this section (such as the\n  * clientPath to your images) without fear of breaking the program\n  * @namespace {external:jQuery.fn.jPickerOptions} defaults\n  * @memberof external:jQuery.fn.$.fn.jPicker\n  * @borrows external:jQuery.fn.jPickerOptions as external:jQuery.fn.jPicker.defaults\n  * @see Source for all of the values\n  */\n  $.fn.jPicker.defaults = {\n    window: {\n      title: null,\n      effects: {\n        type: 'slide',\n        speed: {\n          show: 'slow',\n          hide: 'fast'\n        }\n      },\n      position: {\n        x: 'screenCenter',\n        y: 'top'\n      },\n      expandable: false,\n      liveUpdate: true,\n      alphaSupport: false,\n      alphaPrecision: 0,\n      updateInputColor: true\n    },\n    color: {\n      mode: 'h',\n      active: new Color({ahex: '#ffcc00ff'}),\n      quickList: [\n        new Color({h: 360, s: 33, v: 100}),\n        new Color({h: 360, s: 66, v: 100}),\n        new Color({h: 360, s: 100, v: 100}),\n        new Color({h: 360, s: 100, v: 75}),\n        new Color({h: 360, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 100}),\n        new Color({h: 30, s: 33, v: 100}),\n        new Color({h: 30, s: 66, v: 100}),\n        new Color({h: 30, s: 100, v: 100}),\n        new Color({h: 30, s: 100, v: 75}),\n        new Color({h: 30, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 90}),\n        new Color({h: 60, s: 33, v: 100}),\n        new Color({h: 60, s: 66, v: 100}),\n        new Color({h: 60, s: 100, v: 100}),\n        new Color({h: 60, s: 100, v: 75}),\n        new Color({h: 60, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 80}),\n        new Color({h: 90, s: 33, v: 100}),\n        new Color({h: 90, s: 66, v: 100}),\n        new Color({h: 90, s: 100, v: 100}),\n        new Color({h: 90, s: 100, v: 75}),\n        new Color({h: 90, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 70}),\n        new Color({h: 120, s: 33, v: 100}),\n        new Color({h: 120, s: 66, v: 100}),\n        new Color({h: 120, s: 100, v: 100}),\n        new Color({h: 120, s: 100, v: 75}),\n        new Color({h: 120, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 60}),\n        new Color({h: 150, s: 33, v: 100}),\n        new Color({h: 150, s: 66, v: 100}),\n        new Color({h: 150, s: 100, v: 100}),\n        new Color({h: 150, s: 100, v: 75}),\n        new Color({h: 150, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 50}),\n        new Color({h: 180, s: 33, v: 100}),\n        new Color({h: 180, s: 66, v: 100}),\n        new Color({h: 180, s: 100, v: 100}),\n        new Color({h: 180, s: 100, v: 75}),\n        new Color({h: 180, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 40}),\n        new Color({h: 210, s: 33, v: 100}),\n        new Color({h: 210, s: 66, v: 100}),\n        new Color({h: 210, s: 100, v: 100}),\n        new Color({h: 210, s: 100, v: 75}),\n        new Color({h: 210, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 30}),\n        new Color({h: 240, s: 33, v: 100}),\n        new Color({h: 240, s: 66, v: 100}),\n        new Color({h: 240, s: 100, v: 100}),\n        new Color({h: 240, s: 100, v: 75}),\n        new Color({h: 240, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 20}),\n        new Color({h: 270, s: 33, v: 100}),\n        new Color({h: 270, s: 66, v: 100}),\n        new Color({h: 270, s: 100, v: 100}),\n        new Color({h: 270, s: 100, v: 75}),\n        new Color({h: 270, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 10}),\n        new Color({h: 300, s: 33, v: 100}),\n        new Color({h: 300, s: 66, v: 100}),\n        new Color({h: 300, s: 100, v: 100}),\n        new Color({h: 300, s: 100, v: 75}),\n        new Color({h: 300, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 0}),\n        new Color({h: 330, s: 33, v: 100}),\n        new Color({h: 330, s: 66, v: 100}),\n        new Color({h: 330, s: 100, v: 100}),\n        new Color({h: 330, s: 100, v: 75}),\n        new Color({h: 330, s: 100, v: 50}),\n        new Color()\n      ]\n    },\n    images: {\n      clientPath: '/jPicker/images/',\n      colorMap: {\n        width: 256,\n        height: 256,\n        arrow: {\n          file: 'mappoint.gif',\n          width: 15,\n          height: 15\n        }\n      },\n      colorBar: {\n        width: 20,\n        height: 256,\n        arrow: {\n          file: 'rangearrows.gif',\n          width: 20,\n          height: 7\n        }\n      },\n      picker: {\n        file: 'picker.gif',\n        width: 25,\n        height: 24\n      }\n    },\n    localization: {\n      text: {\n        title: 'Drag Markers To Pick A Color',\n        newColor: 'new',\n        currentColor: 'current',\n        ok: 'OK',\n        cancel: 'Cancel'\n      },\n      tooltips: {\n        colors: {\n          newColor: 'New Color - Press &ldquo;OK&rdquo; To Commit',\n          currentColor: 'Click To Revert To Original Color'\n        },\n        buttons: {\n          ok: 'Commit To This Color Selection',\n          cancel: 'Cancel And Revert To Original Color'\n        },\n        hue: {\n          radio: 'Set To &ldquo;Hue&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Hue&rdquo; Value (0-360&deg;)'\n        },\n        saturation: {\n          radio: 'Set To &ldquo;Saturation&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Saturation&rdquo; Value (0-100%)'\n        },\n        value: {\n          radio: 'Set To &ldquo;Value&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Value&rdquo; Value (0-100%)'\n        },\n        red: {\n          radio: 'Set To &ldquo;Red&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Red&rdquo; Value (0-255)'\n        },\n        green: {\n          radio: 'Set To &ldquo;Green&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Green&rdquo; Value (0-255)'\n        },\n        blue: {\n          radio: 'Set To &ldquo;Blue&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Blue&rdquo; Value (0-255)'\n        },\n        alpha: {\n          radio: 'Set To &ldquo;Alpha&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Alpha&rdquo; Value (0-100)'\n        },\n        hex: {\n          textbox: 'Enter A &ldquo;Hex&rdquo; Color Value (#000000-#ffffff)',\n          alpha: 'Enter A &ldquo;Alpha&rdquo; Value (#00-#ff)'\n        }\n      }\n    }\n  };\n  return $;\n};\n\nexport default jPicker;\n","/* globals jQuery */\n/**\n * Localizing script for SVG-edit UI\n * @module locale\n * @license MIT\n *\n * @copyright 2010 Narendra Sisodya\n * @copyright 2010 Alexis Deveria\n *\n */\n\n/**\n * Used, for example, in the ImageLibs extension, to present libraries (with name/URL/description) in order\n * @typedef {GenericArray.<module:locale.LocaleStrings>} module:locale.LocaleArray\n*/\n/**\n * The string keys of the object are two-letter language codes\n * @tutorial LocaleDocs\n * @typedef {PlainObject.<string, string|module:locale.LocaleStrings|module:locale.LocaleArray>} module:locale.LocaleStrings\n */\n// keyed to an array of objects with \"id\" and \"title\" or \"textContent\" properties\n/**\n * @typedef {PlainObject.<string, string>} module:locale.LocaleSelectorValue\n */\n\nimport {importSetGlobalDefault} from '../external/dynamic-import-polyfill/importModule.js';\n\nconst $ = jQuery;\n\nlet langParam;\n\n/**\n* @param {\"content\"|\"title\"} type\n* @param {module:locale.LocaleSelectorValue} obj\n* @param {boolean} ids\n* @returns {undefined}\n*/\nexport const setStrings = function (type, obj, ids) {\n  // Root element to look for element from\n  const parent = $('#svg_editor').parent();\n  Object.entries(obj).forEach(([sel, val]) => {\n    if (!val) { console.log(sel); }\n\n    if (ids) { sel = '#' + sel; }\n    const $elem = parent.find(sel);\n    if ($elem.length) {\n      const elem = parent.find(sel)[0];\n\n      switch (type) {\n      case 'content':\n        for (let i = 0, node; (node = elem.childNodes[i]); i++) {\n          if (node.nodeType === 3 && node.textContent.trim()) {\n            node.textContent = val;\n            break;\n          }\n        }\n        break;\n\n      case 'title':\n        elem.title = val;\n        break;\n      }\n    } else {\n      console.log('Missing: ' + sel);\n    }\n  });\n};\n\n/**\n* The \"data\" property is generally set to an an array of objects with\n* \"id\" and \"title\" or \"textContent\" properties\n* @typedef {PlainObject} module:locale.AddLangExtensionLocaleData\n* @property {module:locale.LocaleStrings[]} data See {@tutorial LocaleDocs}\n*/\n\n/**\n* @interface module:locale.LocaleEditorInit\n*/\n/**\n * @function module:locale.LocaleEditorInit#addLangData\n * @param {string} langParam\n * @returns {module:locale.AddLangExtensionLocaleData}\n*/\n\nlet editor_;\n/**\n* @function init\n* @memberof module:locale\n* @param {module:locale.LocaleEditorInit} editor\n* @returns {undefined}\n*/\nexport const init = (editor) => {\n  editor_ = editor;\n};\n\n/**\n* @typedef {PlainObject} module:locale.LangAndData\n* @property {string} langParam\n* @property {module:locale.LocaleStrings} langData\n*/\n\n/**\n* @function module:locale.readLang\n* @param {module:locale.LocaleStrings} langData See {@tutorial LocaleDocs}\n* @fires module:svgcanvas.SvgCanvas#event:ext-addLangData\n* @returns {Promise} Resolves to [`LangAndData`]{@link module:locale.LangAndData}\n*/\nexport const readLang = async function (langData) {\n  const more = await editor_.addLangData(langParam);\n  $.each(more, function (i, m) {\n    if (m.data) {\n      langData = $.merge(langData, m.data);\n    }\n  });\n\n  // Old locale file, do nothing for now.\n  if (!langData.tools) { return; }\n\n  const {\n    tools,\n    // misc,\n    properties, config, layers, common, ui\n  } = langData;\n\n  setStrings('content', {\n    // copyrightLabel: misc.powered_by, // Currently commented out in svg-editor.html\n    curve_segments: properties.curve_segments,\n    fitToContent: tools.fitToContent,\n    fit_to_all: tools.fit_to_all,\n    fit_to_canvas: tools.fit_to_canvas,\n    fit_to_layer_content: tools.fit_to_layer_content,\n    fit_to_sel: tools.fit_to_sel,\n\n    icon_large: config.icon_large,\n    icon_medium: config.icon_medium,\n    icon_small: config.icon_small,\n    icon_xlarge: config.icon_xlarge,\n    image_opt_embed: config.image_opt_embed,\n    image_opt_ref: config.image_opt_ref,\n    includedImages: config.included_images,\n\n    largest_object: tools.largest_object,\n\n    layersLabel: layers.layers,\n    page: tools.page,\n    relativeToLabel: tools.relativeTo,\n    selLayerLabel: layers.move_elems_to,\n    selectedPredefined: config.select_predefined,\n\n    selected_objects: tools.selected_objects,\n    smallest_object: tools.smallest_object,\n    straight_segments: properties.straight_segments,\n\n    svginfo_bg_url: config.editor_img_url + ':',\n    svginfo_bg_note: config.editor_bg_note,\n    svginfo_change_background: config.background,\n    svginfo_dim: config.doc_dims,\n    svginfo_editor_prefs: config.editor_prefs,\n    svginfo_height: common.height,\n    svginfo_icons: config.icon_size,\n    svginfo_image_props: config.image_props,\n    svginfo_lang: config.language,\n    svginfo_title: config.doc_title,\n    svginfo_width: common.width,\n\n    tool_docprops_cancel: common.cancel,\n    tool_docprops_save: common.ok,\n\n    tool_source_cancel: common.cancel,\n    tool_source_save: common.ok,\n\n    tool_prefs_cancel: common.cancel,\n    tool_prefs_save: common.ok,\n\n    sidepanel_handle: layers.layers.split('').join(' '),\n\n    tool_clear: tools.new_doc,\n    tool_docprops: tools.docprops,\n    tool_export: tools.export_img,\n    tool_import: tools.import_doc,\n    tool_open: tools.open_doc,\n    tool_save: tools.save_doc,\n\n    svginfo_units_rulers: config.units_and_rulers,\n    svginfo_rulers_onoff: config.show_rulers,\n    svginfo_unit: config.base_unit,\n\n    svginfo_grid_settings: config.grid,\n    svginfo_snap_onoff: config.snapping_onoff,\n    svginfo_snap_step: config.snapping_stepsize,\n    svginfo_grid_color: config.grid_color\n  }, true);\n\n  // Context menus\n  const opts = {};\n  $.each(['cut', 'copy', 'paste', 'paste_in_place', 'delete', 'group', 'ungroup', 'move_front', 'move_up', 'move_down', 'move_back'], function () {\n    opts['#cmenu_canvas a[href=\"#' + this + '\"]'] = tools[this];\n  });\n\n  $.each(['dupe', 'merge_down', 'merge_all'], function () {\n    opts['#cmenu_layers a[href=\"#' + this + '\"]'] = layers[this];\n  });\n\n  opts['#cmenu_layers a[href=\"#delete\"]'] = layers.del;\n\n  setStrings('content', opts);\n\n  setStrings('title', {\n    align_relative_to: tools.align_relative_to,\n    circle_cx: properties.circle_cx,\n    circle_cy: properties.circle_cy,\n    circle_r: properties.circle_r,\n    cornerRadiusLabel: properties.corner_radius,\n    ellipse_cx: properties.ellipse_cx,\n    ellipse_cy: properties.ellipse_cy,\n    ellipse_rx: properties.ellipse_rx,\n    ellipse_ry: properties.ellipse_ry,\n    fill_color: properties.fill_color,\n    font_family: properties.font_family,\n    idLabel: properties.id,\n    image_height: properties.image_height,\n    image_url: properties.image_url,\n    image_width: properties.image_width,\n    layer_delete: layers.del,\n    layer_down: layers.move_down,\n    layer_new: layers['new'],\n    layer_rename: layers.rename,\n    layer_moreopts: common.more_opts,\n    layer_up: layers.move_up,\n    line_x1: properties.line_x1,\n    line_x2: properties.line_x2,\n    line_y1: properties.line_y1,\n    line_y2: properties.line_y2,\n    linecap_butt: properties.linecap_butt,\n    linecap_round: properties.linecap_round,\n    linecap_square: properties.linecap_square,\n    linejoin_bevel: properties.linejoin_bevel,\n    linejoin_miter: properties.linejoin_miter,\n    linejoin_round: properties.linejoin_round,\n    main_icon: tools.main_menu,\n    palette: ui.palette_info,\n    zoom_panel: ui.zoom_level,\n    path_node_x: properties.node_x,\n    path_node_y: properties.node_y,\n    rect_height_tool: properties.rect_height,\n    rect_width_tool: properties.rect_width,\n    seg_type: properties.seg_type,\n    selLayerNames: layers.move_selected,\n    selected_x: properties.pos_x,\n    selected_y: properties.pos_y,\n    stroke_color: properties.stroke_color,\n    stroke_style: properties.stroke_style,\n    stroke_width: properties.stroke_width,\n    svginfo_title: config.doc_title,\n    text: properties.text_contents,\n    toggle_stroke_tools: ui.toggle_stroke_tools,\n    tool_add_subpath: tools.add_subpath,\n    tool_alignbottom: tools.align_bottom,\n    tool_aligncenter: tools.align_center,\n    tool_alignleft: tools.align_left,\n    tool_alignmiddle: tools.align_middle,\n    tool_alignright: tools.align_right,\n    tool_aligntop: tools.align_top,\n    tool_angle: properties.angle,\n    tool_blur: properties.blur,\n    tool_bold: properties.bold,\n    tool_circle: tools.mode_circle,\n    tool_clone: tools.clone,\n    tool_clone_multi: tools.clone,\n    tool_delete: tools.del,\n    tool_delete_multi: tools.del,\n    tool_ellipse: tools.mode_ellipse,\n    tool_fhellipse: tools.mode_fhellipse,\n    tool_fhpath: tools.mode_fhpath,\n    tool_fhrect: tools.mode_fhrect,\n    tool_font_size: properties.font_size,\n    tool_group_elements: tools.group_elements,\n    tool_make_link: tools.make_link,\n    tool_link_url: tools.set_link_url,\n    tool_image: tools.mode_image,\n    tool_italic: properties.italic,\n    tool_line: tools.mode_line,\n    tool_move_bottom: tools.move_bottom,\n    tool_move_top: tools.move_top,\n    tool_node_clone: tools.node_clone,\n    tool_node_delete: tools.node_delete,\n    tool_node_link: tools.node_link,\n    tool_opacity: properties.opacity,\n    tool_openclose_path: tools.openclose_path,\n    tool_path: tools.mode_path,\n    tool_position: tools.align_to_page,\n    tool_rect: tools.mode_rect,\n    tool_redo: tools.redo,\n    tool_reorient: tools.reorient_path,\n    tool_select: tools.mode_select,\n    tool_source: tools.source_save,\n    tool_square: tools.mode_square,\n    tool_text: tools.mode_text,\n    tool_topath: tools.to_path,\n    tool_undo: tools.undo,\n    tool_ungroup: tools.ungroup,\n    tool_wireframe: tools.wireframe_mode,\n    tool_zoom: tools.mode_zoom,\n    url_notice: tools.no_embed\n\n  }, true);\n\n  return {langParam, langData};\n};\n\n/**\n* @function module:locale.putLocale\n* @param {string} givenParam\n* @param {string[]} goodLangs\n* @param {{langPath: string}} conf\n* @fires module:svgcanvas.SvgCanvas#event:ext-addLangData\n* @fires module:svgcanvas.SvgCanvas#event:ext-langReady\n* @fires module:svgcanvas.SvgCanvas#event:ext-langChanged\n* @returns {Promise} Resolves to result of {@link module:locale.readLang}\n*/\nexport const putLocale = async function (givenParam, goodLangs, conf) {\n  if (givenParam) {\n    langParam = givenParam;\n  } else {\n    langParam = $.pref('lang');\n    if (!langParam) {\n      if (navigator.userLanguage) { // Explorer\n        langParam = navigator.userLanguage;\n      } else if (navigator.language) { // FF, Opera, ...\n        langParam = navigator.language;\n      }\n    }\n\n    console.log('Lang: ' + langParam);\n\n    // Set to English if language is not in list of good langs\n    if (!goodLangs.includes(langParam) && langParam !== 'test') {\n      langParam = 'en';\n    }\n\n    // don't bother on first run if language is English\n    // The following line prevents setLang from running\n    //    extensions which depend on updated uiStrings,\n    //    so commenting it out.\n    // if (langParam.startsWith('en')) {return;}\n  }\n\n  const url = conf.langPath + 'lang.' + langParam + '.js';\n  return readLang(\n    // Todo: Replace this with `return import(url);` when\n    //   `import()` widely supported\n    await importSetGlobalDefault(url, {\n      global: 'svgEditorLang_' + langParam.replace(/-/g, '_')\n    })\n  );\n};\n","function loadStylesheets(stylesheets, {\n    before: beforeDefault, after: afterDefault, favicon: faviconDefault,\n    canvas: canvasDefault, image: imageDefault = true,\n    acceptErrors\n} = {}) {\n    stylesheets = Array.isArray(stylesheets) ? stylesheets : [stylesheets];\n\n    function setupLink(stylesheetURL) {\n        let options = {};\n        if (Array.isArray(stylesheetURL)) {\n            [stylesheetURL, options = {}] = stylesheetURL;\n        }\n        let { favicon = faviconDefault } = options;\n        const {\n            before = beforeDefault,\n            after = afterDefault,\n            canvas = canvasDefault,\n            image = imageDefault\n        } = options;\n        function addLink() {\n            if (before) {\n                before.before(link);\n            } else if (after) {\n                after.after(link);\n            } else {\n                document.head.appendChild(link);\n            }\n        }\n\n        const link = document.createElement('link');\n        return new Promise((resolve, reject) => {\n            let rej = reject;\n            if (acceptErrors) {\n                rej = typeof acceptErrors === 'function' ? error => {\n                    acceptErrors({ error, stylesheetURL, options, resolve, reject });\n                } : resolve;\n            }\n            if (stylesheetURL.endsWith('.css')) {\n                favicon = false;\n            } else if (stylesheetURL.endsWith('.ico')) {\n                favicon = true;\n            }\n            if (favicon) {\n                link.rel = 'shortcut icon';\n                link.type = 'image/x-icon';\n\n                if (image === false) {\n                    link.href = stylesheetURL;\n                    addLink();\n                    resolve(link);\n                    return;\n                }\n\n                const cnv = document.createElement('canvas');\n                cnv.width = 16;\n                cnv.height = 16;\n                const context = cnv.getContext('2d');\n                const img = document.createElement('img');\n                img.addEventListener('error', error => {\n                    reject(error);\n                });\n                img.addEventListener('load', () => {\n                    context.drawImage(img, 0, 0);\n                    link.href = canvas ? cnv.toDataURL('image/x-icon') : stylesheetURL;\n                    addLink();\n                    resolve(link);\n                });\n                img.src = stylesheetURL;\n                return;\n            }\n            link.rel = 'stylesheet';\n            link.type = 'text/css';\n            link.href = stylesheetURL;\n            addLink();\n            link.addEventListener('error', error => {\n                rej(error);\n            });\n            link.addEventListener('load', () => {\n                resolve(link);\n            });\n        });\n    }\n\n    return Promise.all(stylesheets.map(setupLink));\n}\n\nexport default loadStylesheets;\n","/* globals jQuery */\n\nimport './touch.js';\nimport {NS} from './namespaces.js';\nimport {isWebkit, isChrome, isGecko, isIE, isMac, isTouch} from './browser.js';\nimport * as Utils from './utilities.js';\nimport {getTypeMap, convertUnit, isValidUnit} from './units.js';\nimport {\n  hasCustomHandler, getCustomHandler, injectExtendedContextMenuItemsIntoDom\n} from './contextmenu.js';\nimport {importSetGlobalDefault} from './external/dynamic-import-polyfill/importModule.js';\n\nimport SvgCanvas from './svgcanvas.js';\nimport Layer from './layer.js';\n\nimport jqPluginJSHotkeys from './js-hotkeys/jquery.hotkeys.min.js';\nimport jqPluginBBQ from './jquerybbq/jquery.bbq.min.js';\nimport jqPluginSVGIcons from './svgicons/jQuery.svgIcons.js';\nimport jqPluginJGraduate from './jgraduate/jQuery.jGraduate.js';\nimport jqPluginSpinBtn from './spinbtn/jQuery.SpinButton.js';\nimport jqPluginSVG from './jQuery.attr.js'; // Needed for SVG attribute setting and array form with `attr`\nimport jqPluginContextMenu from './contextmenu/jQuery.contextMenu.js';\nimport jqPluginJPicker from './jgraduate/jQuery.jPicker.js';\nimport {\n  readLang, putLocale,\n  setStrings,\n  init as localeInit\n} from './locale/locale.js';\nimport loadStylesheets from './external/load-stylesheets/index-es.js';\n\n/**\n* The main module for the visual SVG Editor\n*\n* @license MIT\n*\n* @copyright 2010 Alexis Deveria\n* 2010 Pavol Rusnak\n* 2010 Jeff Schiller\n* 2010 Narendra Sisodiya\n* 2014 Brett Zamir\n* @exports module:SVGEditor\n* @borrows module:locale.putLocale as putLocale\n* @borrows module:locale.readLang as readLang\n* @borrows module:locale.setStrings as setStrings\n*/\nconst editor = {};\n\nconst $ = [\n  jqPluginJSHotkeys, jqPluginBBQ, jqPluginSVGIcons, jqPluginJGraduate,\n  jqPluginSpinBtn, jqPluginSVG, jqPluginContextMenu, jqPluginJPicker\n].reduce(($, cb) => cb($), jQuery);\n\n/*\nif (!$.loadingStylesheets) {\n  $.loadingStylesheets = [];\n}\n*/\nconst stylesheet = 'svg-editor.css';\nif (!$.loadingStylesheets.includes(stylesheet)) {\n  $.loadingStylesheets.push(stylesheet);\n}\nconst favicon = 'images/logo.png';\nif ($.loadingStylesheets.some((item) => {\n  return !Array.isArray(item) || item[0] !== favicon;\n})) {\n  $.loadingStylesheets.push([favicon, {favicon: true}]);\n}\n\n// EDITOR PROPERTIES: (defined below)\n//    curPrefs, curConfig, canvas, storage, uiStrings\n//\n// STATE MAINTENANCE PROPERTIES\n/**\n* @type {Float}\n*/\neditor.tool_scale = 1; // Dependent on icon size, so any use to making configurable instead? Used by `jQuery.SpinButton.js`\n/**\n* @type {Integer}\n*/\neditor.exportWindowCt = 0;\n/**\n* @type {boolean}\n*/\neditor.langChanged = false;\n/**\n* @type {boolean}\n*/\neditor.showSaveWarning = false;\n/**\n* @type {boolean}\n*/\neditor.storagePromptClosed = false; // For use with ext-storage.js\n\nconst callbacks = [],\n  /**\n  * @typedef {\"s\"|\"m\"|\"l\"|\"xl\"|Float} module:SVGEditor.IconSize\n  */\n  /**\n  * Preferences\n  * @interface module:SVGEditor.Prefs\n  * @property {string} [lang=\"en\"] Two-letter language code. The language must exist in the Editor Preferences language list. Defaults to \"en\" if `locale.js` detection does not detect another language.\n  * @property {module:SVGEditor.IconSize} [iconsize=\"s\"|\"m\"] Size of the toolbar icons. Will default to 's' if the window height is smaller than the minimum height and 'm' otherwise.\n  * @property {string} [bkgd_color=\"#FFF\"] Color hex for canvas background color. Defaults to white.\n  * @property {string} [bkgd_url=\"\"] Background raster image URL. This image will fill the background of the document; useful for tracing purposes.\n  * @property {\"embed\"|\"ref\"} [img_save=\"embed\"] Defines whether included raster images should be saved as Data URIs when possible, or as URL references. Settable in the Document Properties dialog.\n  * @property {boolean} [save_notice_done=false] Used to track alert status\n  * @property {boolean} [export_notice_done=false] Used to track alert status\n  * @todo `save_notice_done` and `export_notice_done` should be changed to flags rather than preferences\n  */\n  /**\n  * @namespace {module:SVGEditor.Prefs} defaultPrefs\n  * @memberof module:SVGEditor~\n  * @implements {module:SVGEditor.Prefs}\n  */\n  // The iteration algorithm for defaultPrefs does not currently support array/objects\n  defaultPrefs = /** @lends module:SVGEditor~defaultPrefs */ {\n    // EDITOR OPTIONS (DIALOG)\n    /**\n    * Default to \"en\" if locale.js detection does not detect another language\n    */\n    lang: '',\n    /**\n    * Will default to 's' if the window height is smaller than the minimum height and\n    * 'm' otherwise\n    */\n    iconsize: '',\n    bkgd_color: '#FFF',\n    bkgd_url: '',\n    // DOCUMENT PROPERTIES (DIALOG)\n    img_save: 'embed',\n    // ALERT NOTICES\n    // Only shows in UI as far as alert notices, but useful to remember, so keeping as pref\n    save_notice_done: false,\n    export_notice_done: false\n  },\n  /**\n  * @name module:SVGEditor~defaultExtensions\n  * @type {string[]}\n  */\n  defaultExtensions = [\n    'ext-connector.js',\n    'ext-eyedropper.js',\n    'ext-grid.js',\n    'ext-imagelib.js',\n    'ext-markers.js',\n    'ext-overview_window.js',\n    'ext-panning.js',\n    'ext-polygon.js',\n    'ext-shapes.js',\n    'ext-star.js',\n    'ext-storage.js'\n  ],\n  /**\n  * @typedef {\"@default\"|string} module:SVGEditor.Stylesheet `@default` will automatically load all of the default CSS paths for SVGEditor\n  */\n  /**\n  * @typedef {GenericArray} module:SVGEditor.XYDimensions\n  * @property {Integer} length 2\n  * @property {Float} 0\n  * @property {Float} 1\n  */\n  /**\n  * @tutorial ConfigOptions\n  * @interface module:SVGEditor.Config\n  * @property {string} [canvasName=\"default\"] Used to namespace storage provided via `ext-storage.js`; you can use this if you wish to have multiple independent instances of SVG Edit on the same domain\n  * @property {boolean} [no_save_warning=false] If `true`, prevents the warning dialog box from appearing when closing/reloading the page. Mostly useful for testing.\n  * @property {string} [imgPath=\"images/\"] The path where the SVG icons are located, with trailing slash. Note that as of version 2.7, this is not configurable by URL for security reasons.\n  * @property {string} [langPath=\"locale/\"] The path where the language files are located, with trailing slash. Default will be changed to `../dist/locale/` if this is a modular load. Note that as of version 2.7, this is not configurable by URL for security reasons.\n  * @property {string} [extPath=\"extensions/\"] The path used for extension files, with trailing slash. Default will be changed to `../dist/extensions/` if this is a modular load. Note that as of version 2.7, this is not configurable by URL for security reasons.\n  * @property {string} [canvgPath=\"canvg/\"] The path used for `canvg` files, with trailing slash. Default will be changed to `../dist/` if this is a modular load.\n  * @property {string} [jspdfPath=\"jspdf/\"] The path used for `jsPDF` files, with trailing slash. Default will be changed to `../dist/` if this is a modular load.\n  * @property {string} [extIconsPath=\"extensions/\"] The path used for extension icons, with trailing slash.\n  * @property {string} [jGraduatePath=\"jgraduate/images/\"] The path where jGraduate images are located. Note that as of version 2.7, this is not configurable by URL for security reasons.\n  * @property {boolean} [preventAllURLConfig=false] Set to `true` to override the ability for URLs to set non-content configuration (including extension config). Must be set early, i.e., in `svgedit-config-iife.js`; extension loading is too late!\n  * @property {boolean} [preventURLContentLoading=false] Set to `true` to override the ability for URLs to set URL-based SVG content. Must be set early, i.e., in `svgedit-config-iife.js`; extension loading is too late!\n  * @property {boolean} [lockExtensions=false] Set to `true` to override the ability for URLs to set their own extensions; disallowed in URL setting. There is no need for this when `preventAllURLConfig` is used. Must be set early, i.e., in `svgedit-config-iife.js`; extension loading is too late!\n  * @property {boolean} [noDefaultExtensions=false] If set to `true`, prohibits automatic inclusion of default extensions (though \"extensions\" can still be used to add back any desired default extensions along with any other extensions). This can only be meaningfully used in `svgedit-config-iife.js` or in the URL\n  * @property {boolean} [noStorageOnLoad=false] Some interaction with `ext-storage.js`; prevent even the loading of previously saved local storage.\n  * @property {boolean} [forceStorage=false] Some interaction with `ext-storage.js`; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not (and may be required by law in some regions)\n  * @property {boolean} [emptyStorageOnDecline=false] Used by `ext-storage.js`; empty any prior storage if the user declines to store\n  * @property {string[]} [extensions=module:SVGEditor~defaultExtensions] Extensions to load on startup. Use an array in `setConfig` and comma separated file names in the URL. Extension names must begin with \"ext-\". Note that as of version 2.7, paths containing \"/\", \"\\\", or \":\", are disallowed for security reasons. Although previous versions of this list would entirely override the default list, as of version 2.7, the defaults will always be added to this explicit list unless the configuration `noDefaultExtensions` is included.\n  * @property {module:SVGEditor.Stylesheet[]} [stylesheets=[\"@default\"]] An array of required stylesheets to load in parallel; include the value `\"@default\"` within this array to ensure all default stylesheets are loaded.\n  * @property {string[]} [allowedOrigins=[]] Used by `ext-xdomain-messaging.js` to indicate which origins are permitted for cross-domain messaging (e.g., between the embedded editor and main editor code). Besides explicit domains, one might add '*' to allow all domains (not recommended for privacy/data integrity of your user's content!), `window.location.origin` for allowing the same origin (should be safe if you trust all apps on your domain), 'null' to allow `file:///` URL usage\n  * @property {null|PlainObject} [colorPickerCSS=null] Object of CSS properties mapped to values (for jQuery) to apply to the color picker. See {@link http://api.jquery.com/css/#css-properties}. A `null` value (the default) will cause the CSS to default to `left` with a position equal to that of the `fill_color` or `stroke_color` element minus 140, and a `bottom` equal to 40\n  * @property {string} [paramurl] This was available via URL only. Allowed an un-encoded URL within the query string (use \"url\" or \"source\" with a data: URI instead)\n  * @property {Float} [canvas_expansion=3] The minimum area visible outside the canvas, as a multiple of the image dimensions. The larger the number, the more one can scroll outside the canvas.\n  * @property {PlainObject} [initFill] Init fill properties\n  * @property {string} [initFill.color=\"FF0000\"] The initial fill color. Must be a hex code string. Defaults to solid red.\n  * @property {Float} [initFill.opacity=1] The initial fill opacity. Must be a number between 0 and 1\n  * @property {PlainObject} [initStroke] Init stroke properties\n  * @property {Float} [initStroke.width=5] The initial stroke width. Must be a positive number.\n  * @property {string} [initStroke.color=\"000000\"] The initial stroke color. Must be a hex code. Defaults to solid black.\n  * @property {Float} [initStroke.opacity=1] The initial stroke opacity. Must be a number between 0 and 1.\n  * @property {PlainObject} text Text style properties\n  * @property {Float} [text.stroke_width=0] Text stroke width\n  * @property {Float} [text.font_size=24] Text font size\n  * @property {string} [text.font_family=\"serif\"] Text font family\n  * @property {Float} [initOpacity=1] Initial opacity (multiplied by 100)\n  * @property {module:SVGEditor.XYDimensions} [dimensions=[640, 480]] The default width/height of a new document. Use an array in `setConfig` (e.g., `[800, 600]`) and comma separated numbers in the URL.\n  * @property {boolean} [gridSnapping=false] Enable snap to grid by default. Set in Editor Options.\n  * @property {string} [gridColor=\"#000\"] Accepts hex, e.g., '#000'. Set in Editor Options. Defaults to black.\n  * @property {string} [baseUnit=\"px\"] Set in Editor Options.\n  * @property {Float} [snappingStep=10] Set the default grid snapping value. Set in Editor Options.\n  * @property {boolean} [showRulers=true] Initial state of ruler display (v2.6). Set in Editor Options.\n  * @property {string} [initTool=\"select\"] The initially selected tool. Must be either the ID of the button for the tool, or the ID without `tool_` prefix (e.g., \"select\").\n  * @property {boolean} [wireframe=false] Start in wireframe mode\n  * @property {boolean} [showlayers=false] Open the layers side-panel by default.\n  * @property {\"new\"|\"same\"} [exportWindowType=\"new\"] Can be \"new\" or \"same\" to indicate whether new windows will be generated for each export; the `window.name` of the export window is namespaced based on the `canvasName` (and incremented if \"new\" is selected as the type). Introduced 2.8.\n  * @property {boolean} [showGrid=false] Set by `ext-grid.js`; determines whether or not to show the grid by default\n  * @property {boolean} [show_outside_canvas=true] Defines whether or not elements outside the canvas should be visible. Set and used in `svgcanvas.js`.\n  * @property {boolean} [selectNew=true] If true, will replace the selection with the current element and automatically select element objects (when not in \"path\" mode) after they are created, showing their grips (v2.6). Set and used in `svgcanvas.js` (`mouseUp`).\n  * @todo Some others could be preferences as well (e.g., preventing URL changing of extensions, defaultExtensions, stylesheets, colorPickerCSS); Change the following to preferences and add pref controls where missing to the UI (e.g., `canvas_expansion`, `initFill`, `initStroke`, `text`, `initOpacity`, `dimensions`, `initTool`, `wireframe`, `showlayers`, `gridSnapping`, `gridColor`, `baseUnit`, `snappingStep`, `showRulers`, `exportWindowType`, `showGrid`, `show_outside_canvas`, `selectNew`)?\n  */\n  /**\n  * @namespace {module:SVGEditor.Config} defaultConfig\n  * @memberof module:SVGEditor~\n  * @implements {module:SVGEditor.Config}\n  */\n  defaultConfig = {\n    canvasName: 'default',\n    canvas_expansion: 3,\n    initFill: {\n      color: 'FF0000', // solid red\n      opacity: 1\n    },\n    initStroke: {\n      width: 5,\n      color: '000000', // solid black\n      opacity: 1\n    },\n    text: {\n      stroke_width: 0,\n      font_size: 24,\n      font_family: 'serif'\n    },\n    initOpacity: 1,\n    colorPickerCSS: null, // Defaults to 'left' with a position equal to that of the fill_color or stroke_color element minus 140, and a 'bottom' equal to 40\n    initTool: 'select',\n    exportWindowType: 'new', // 'same' (todo: also support 'download')\n    wireframe: false,\n    showlayers: false,\n    no_save_warning: false,\n    // PATH CONFIGURATION\n    // The following path configuration items are disallowed in the URL (as should any future path configurations)\n    imgPath: 'images/',\n    langPath: 'locale/', // Default will be changed if this is a modular load\n    extPath: 'extensions/', // Default will be changed if this is a modular load\n    canvgPath: 'canvg/', // Default will be changed if this is a modular load\n    jspdfPath: 'jspdf/', // Default will be changed if this is a modular load\n    extIconsPath: 'extensions/',\n    jGraduatePath: 'jgraduate/images/',\n    // DOCUMENT PROPERTIES\n    // Change the following to a preference (already in the Document Properties dialog)?\n    dimensions: [640, 480],\n    // EDITOR OPTIONS\n    // Change the following to preferences (already in the Editor Options dialog)?\n    gridSnapping: false,\n    gridColor: '#000',\n    baseUnit: 'px',\n    snappingStep: 10,\n    showRulers: true,\n    // URL BEHAVIOR CONFIGURATION\n    preventAllURLConfig: false,\n    preventURLContentLoading: false,\n    // EXTENSION CONFIGURATION (see also preventAllURLConfig)\n    lockExtensions: false, // Disallowed in URL setting\n    noDefaultExtensions: false, // noDefaultExtensions can only be meaningfully used in `svgedit-config-iife.js` or in the URL\n    // EXTENSION-RELATED (GRID)\n    showGrid: false, // Set by ext-grid.js\n    // EXTENSION-RELATED (STORAGE)\n    noStorageOnLoad: false, // Some interaction with ext-storage.js; prevent even the loading of previously saved local storage\n    forceStorage: false, // Some interaction with ext-storage.js; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not\n    emptyStorageOnDecline: false // Used by ext-storage.js; empty any prior storage if the user declines to store\n  },\n  /**\n  * LOCALE\n  * @name module:SVGEditor.uiStrings\n  * @type {PlainObject}\n  */\n  uiStrings = editor.uiStrings = {};\n\nlet svgCanvas, urldata,\n  isReady = false,\n  customExportImage = false,\n  customExportPDF = false,\n  curPrefs = {},\n  // Note: The difference between Prefs and Config is that Prefs\n  //   can be changed in the UI and are stored in the browser,\n  //   while config cannot\n  curConfig = {\n    // We do not put on defaultConfig to simplify object copying\n    //   procedures (we obtain instead from defaultExtensions)\n    extensions: [],\n    stylesheets: [],\n    /**\n    * Can use `location.origin` to indicate the current\n    * origin. Can contain a '*' to allow all domains or 'null' (as\n    * a string) to support all `file:///` URLs. Cannot be set by\n    * URL for security reasons (not safe, at least for\n    * privacy or data integrity of SVG content).\n    * Might have been fairly safe to allow\n    *   `new URL(location.href).origin` by default but\n    *   avoiding it ensures some more security that even third\n    *   party apps on the same domain also cannot communicate\n    *   with this app by default.\n    * For use with `ext-xdomain-messaging.js`\n    * @todo We might instead make as a user-facing preference.\n    */\n    allowedOrigins: []\n  };\n\nfunction loadSvgString (str, callback) {\n  const success = svgCanvas.setSvgString(str) !== false;\n  callback = callback || $.noop;\n  if (success) {\n    callback(true); // eslint-disable-line standard/no-callback-literal\n  } else {\n    $.alert(uiStrings.notification.errorLoadingSVG, function () {\n      callback(false); // eslint-disable-line standard/no-callback-literal\n    });\n  }\n}\n\n/**\n * @function module:SVGEditor~getImportLocale\n * @param {string} defaultLang\n * @param {string} defaultName\n * @returns {module:SVGEditor~ImportLocale}\n */\nfunction getImportLocale ({defaultLang, defaultName}) {\n  /**\n   * @function module:SVGEditor~ImportLocale\n   * @param {string} [name] Defaults to `defaultName` of {@link module:SVGEditor~getImportLocale}\n   * @param {string} [lang=defaultLang] Defaults to `defaultLang` of {@link module:SVGEditor~getImportLocale}\n   * @returns {Promise} Resolves to {@link module:locale.LocaleStrings}\n   */\n  return async function importLocale ({name = defaultName, lang = defaultLang} = {}) {\n    async function importLocale (lang) {\n      const url = `${curConfig.extPath}ext-locale/${name}/${lang}.js`;\n      return importSetGlobalDefault(url, {\n        global: `svgEditorExtensionLocale_${name}_${lang}`\n      });\n    }\n    try {\n      return importLocale(lang);\n    } catch (err) {\n      return importLocale('en');\n    }\n  };\n}\n\n/**\n* EXPORTS\n*/\n\n/**\n* Store and retrieve preferences\n* @param {string} key The preference name to be retrieved or set\n* @param {string} [val] The value. If the value supplied is missing or falsey, no change to the preference will be made.\n* @returns {string} If val is missing or falsey, the value of the previously stored preference will be returned.\n* @todo Can we change setting on the jQuery namespace (onto editor) to avoid conflicts?\n* @todo Review whether any remaining existing direct references to\n*  getting `curPrefs` can be changed to use `$.pref()` getting to ensure\n*  `defaultPrefs` fallback (also for sake of `allowInitialUserOverride`); specifically, `bkgd_color` could be changed so that\n*  the pref dialog has a button to auto-calculate background, but otherwise uses `$.pref()` to be able to get default prefs\n*  or overridable settings\n*/\n$.pref = function (key, val) {\n  if (val) {\n    curPrefs[key] = val;\n    /**\n    * @name curPrefs\n    * @memberof module:SVGEditor\n    * @implements {module:SVGEditor.Prefs}\n    */\n    editor.curPrefs = curPrefs; // Update exported value\n    return;\n  }\n  return (key in curPrefs) ? curPrefs[key] : defaultPrefs[key];\n};\n\n/*\n* EDITOR PUBLIC METHODS\n// Todo: Sort these methods per invocation order, ideally with init at the end\n// Todo: Prevent execution until init executes if dependent on it?\n*/\neditor.putLocale = putLocale;\neditor.readLang = readLang;\neditor.setStrings = setStrings;\n\n/**\n* Where permitted, sets canvas and/or `defaultPrefs` based on previous\n*  storage. This will override URL settings (for security reasons) but\n*  not `svgedit-config-iife.js` configuration (unless initial user\n*  overriding is explicitly permitted there via `allowInitialUserOverride`).\n* @todo Split `allowInitialUserOverride` into `allowOverrideByURL` and\n*  `allowOverrideByUserStorage` so `svgedit-config-iife.js` can disallow some\n*  individual items for URL setting but allow for user storage AND/OR\n*  change URL setting so that it always uses a different namespace,\n*  so it won't affect pre-existing user storage (but then if users saves\n*  that, it will then be subject to tampering\n* @returns {undefined}\n*/\neditor.loadContentAndPrefs = function () {\n  if (!curConfig.forceStorage &&\n    (curConfig.noStorageOnLoad ||\n        !document.cookie.match(/(?:^|;\\s*)store=(?:prefsAndContent|prefsOnly)/)\n    )\n  ) {\n    return;\n  }\n\n  // LOAD CONTENT\n  if (editor.storage && // Cookies do not have enough available memory to hold large documents\n    (curConfig.forceStorage ||\n      (!curConfig.noStorageOnLoad &&\n        document.cookie.match(/(?:^|;\\s*)store=prefsAndContent/))\n    )\n  ) {\n    const name = 'svgedit-' + curConfig.canvasName;\n    const cached = editor.storage.getItem(name);\n    if (cached) {\n      editor.loadFromString(cached);\n    }\n  }\n\n  // LOAD PREFS\n  for (const key in defaultPrefs) {\n    if (defaultPrefs.hasOwnProperty(key)) { // It's our own config, so we don't need to iterate up the prototype chain\n      const storeKey = 'svg-edit-' + key;\n      if (editor.storage) {\n        const val = editor.storage.getItem(storeKey);\n        if (val) {\n          defaultPrefs[key] = String(val); // Convert to string for FF (.value fails in Webkit)\n        }\n      } else if (window.widget) {\n        defaultPrefs[key] = window.widget.preferenceForKey(storeKey);\n      } else {\n        const result = document.cookie.match(new RegExp('(?:^|;\\\\s*)' + Utils.regexEscape(encodeURIComponent(storeKey)) + '=([^;]+)'));\n        defaultPrefs[key] = result ? decodeURIComponent(result[1]) : '';\n      }\n    }\n  }\n};\n\n/**\n* Allows setting of preferences or configuration (including extensions).\n* @param {module:SVGEditor.Config|module:SVGEditor.Prefs} opts The preferences or configuration (including extensions). See the tutorial on {@tutorial ConfigOptions} for info on config and preferences.\n* @param {PlainObject} [cfgCfg] Describes configuration which applies to the\n*    particular batch of supplied options\n* @param {boolean} [cfgCfg.allowInitialUserOverride=false] Set to true if you wish\n*  to allow initial overriding of settings by the user via the URL\n*  (if permitted) or previously stored preferences (if permitted);\n*  note that it will be too late if you make such calls in extension\n*  code because the URL or preference storage settings will\n*   have already taken place.\n* @param {boolean} [cfgCfg.overwrite=true] Set to false if you wish to\n*  prevent the overwriting of prior-set preferences or configuration\n*  (URL settings will always follow this requirement for security\n*  reasons, so `svgedit-config-iife.js` settings cannot be overridden unless it\n*  explicitly permits via `allowInitialUserOverride` but extension config\n*  can be overridden as they will run after URL settings). Should\n*   not be needed in `svgedit-config-iife.js`.\n* @returns {undefined}\n*/\neditor.setConfig = function (opts, cfgCfg) {\n  cfgCfg = cfgCfg || {};\n  function extendOrAdd (cfgObj, key, val) {\n    if (cfgObj[key] && typeof cfgObj[key] === 'object') {\n      $.extend(true, cfgObj[key], val);\n    } else {\n      cfgObj[key] = val;\n    }\n  }\n  $.each(opts, function (key, val) {\n    if (opts.hasOwnProperty(key)) {\n      // Only allow prefs defined in defaultPrefs\n      if (defaultPrefs.hasOwnProperty(key)) {\n        if (cfgCfg.overwrite === false && (\n          curConfig.preventAllURLConfig ||\n          curPrefs.hasOwnProperty(key)\n        )) {\n          return;\n        }\n        if (cfgCfg.allowInitialUserOverride === true) {\n          defaultPrefs[key] = val;\n        } else {\n          $.pref(key, val);\n        }\n      } else if (['extensions', 'stylesheets', 'allowedOrigins'].includes(key)) {\n        if (cfgCfg.overwrite === false &&\n          (\n            curConfig.preventAllURLConfig ||\n            ['allowedOrigins', 'stylesheets'].includes(key) ||\n            (key === 'extensions' && curConfig.lockExtensions)\n          )\n        ) {\n          return;\n        }\n        curConfig[key] = curConfig[key].concat(val); // We will handle any dupes later\n      // Only allow other curConfig if defined in defaultConfig\n      } else if (defaultConfig.hasOwnProperty(key)) {\n        if (cfgCfg.overwrite === false && (\n          curConfig.preventAllURLConfig ||\n          curConfig.hasOwnProperty(key)\n        )) {\n          return;\n        }\n        // Potentially overwriting of previously set config\n        if (curConfig.hasOwnProperty(key)) {\n          if (cfgCfg.overwrite === false) {\n            return;\n          }\n          extendOrAdd(curConfig, key, val);\n        } else {\n          if (cfgCfg.allowInitialUserOverride === true) {\n            extendOrAdd(defaultConfig, key, val);\n          } else {\n            if (defaultConfig[key] && typeof defaultConfig[key] === 'object') {\n              curConfig[key] = {};\n              $.extend(true, curConfig[key], val); // Merge properties recursively, e.g., on initFill, initStroke objects\n            } else {\n              curConfig[key] = val;\n            }\n          }\n        }\n      }\n    }\n  });\n  /**\n  * @name curConfig\n  * @memberof module:SVGEditor\n  * @implements {module:SVGEditor.Config}\n  */\n  editor.curConfig = curConfig; // Update exported value\n};\n\n/**\n* All methods are optional\n* @interface module:SVGEditor.CustomHandler\n* @type {PlainObject}\n*/\n/**\n* Its responsibilities are:\n*  - invoke a file chooser dialog in 'open' mode\n*  - let user pick a SVG file\n*  - calls [svgCanvas.setSvgString()]{@link module:svgcanvas.SvgCanvas#setSvgString} with the string contents of that file.\n* Not passed any parameters.\n* @function module:SVGEditor.CustomHandler#open\n* @returns {undefined}\n*/\n/**\n* Its responsibilities are:\n*  - accept the string contents of the current document\n*  - invoke a file chooser dialog in 'save' mode\n*  - save the file to location chosen by the user\n* @function module:SVGEditor.CustomHandler#save\n* @param {external:Window} win\n* @param {module:svgcanvas.SvgCanvas#event:saved} svgStr A string of the SVG\n* @listens module:svgcanvas.SvgCanvas#event:saved\n* @returns {undefined}\n*/\n/**\n* Its responsibilities (with regard to the object it is supplied in its 2nd argument) are:\n*  - inform user of any issues supplied via the \"issues\" property\n*  - convert the \"svg\" property SVG string into an image for export;\n*    utilize the properties \"type\" (currently 'PNG', 'JPEG', 'BMP',\n*    'WEBP', 'PDF'), \"mimeType\", and \"quality\" (for 'JPEG' and 'WEBP'\n*    types) to determine the proper output.\n* @function module:SVGEditor.CustomHandler#exportImage\n* @param {external:Window} win\n* @param {module:svgcanvas.SvgCanvas#event:exported} data\n* @listens module:svgcanvas.SvgCanvas#event:exported\n* @returns {undefined}\n*/\n/**\n* @function module:SVGEditor.CustomHandler#exportPDF\n* @param {external:Window} win\n* @param {module:svgcanvas.SvgCanvas#event:exportedPDF} data\n* @listens module:svgcanvas.SvgCanvas#event:exportedPDF\n* @returns {undefined}\n*/\n\n/**\n* Allows one to override default SVGEdit `open`, `save`, and\n* `export` editor behaviors.\n* @param {module:SVGEditor.CustomHandler} opts Extension mechanisms may call `setCustomHandlers` with three functions: `opts.open`, `opts.save`, and `opts.exportImage`\n* @returns {undefined}\n*/\neditor.setCustomHandlers = function (opts) {\n  editor.ready(function () {\n    if (opts.open) {\n      $('#tool_open > input[type=\"file\"]').remove();\n      $('#tool_open').show();\n      svgCanvas.open = opts.open;\n    }\n    if (opts.save) {\n      editor.showSaveWarning = false;\n      svgCanvas.bind('saved', opts.save);\n    }\n    if (opts.exportImage) {\n      customExportImage = opts.exportImage;\n      svgCanvas.bind('exported', customExportImage); // canvg and our RGBColor will be available to the method\n    }\n    if (opts.exportPDF) {\n      customExportPDF = opts.exportPDF;\n      svgCanvas.bind('exportedPDF', customExportPDF); // jsPDF and our RGBColor will be available to the method\n    }\n  });\n};\n\n/**\n* @param {boolean} arg\n* @returns {undefined}\n*/\neditor.randomizeIds = function (arg) {\n  return svgCanvas.randomizeIds(arg);\n};\n\n/**\n* Auto-run after a Promise microtask\n* @returns {undefined}\n*/\neditor.init = function () {\n  const modularVersion = !('svgEditor' in window) ||\n    !window.svgEditor ||\n    window.svgEditor.modules !== false;\n  if (!modularVersion) {\n    Object.assign(defaultConfig, {\n      langPath: '../dist/locale/',\n      extPath: '../dist/extensions/',\n      canvgPath: '../dist/',\n      jspdfPath: '../dist/'\n    });\n  }\n\n  // const host = location.hostname,\n  //  onWeb = host && host.includes('.');\n  // Some FF versions throw security errors here when directly accessing\n  try {\n    if ('localStorage' in window) { // && onWeb removed so Webkit works locally\n      /**\n      * The built-in interface implemented by `localStorage`\n      * @external Storage\n      */\n      /**\n      * @name storage\n      * @memberof module:SVGEditor\n      * @type {external:Storage}\n      */\n      editor.storage = localStorage;\n    }\n  } catch (err) {}\n\n  // Todo: Avoid const-defined functions and group functions together, etc. where possible\n  const goodLangs = [];\n  $('#lang_select option').each(function () {\n    goodLangs.push(this.value);\n  });\n\n  function setupCurPrefs () {\n    curPrefs = $.extend(true, {}, defaultPrefs, curPrefs); // Now safe to merge with priority for curPrefs in the event any are already set\n    // Export updated prefs\n    editor.curPrefs = curPrefs;\n  }\n  function setupCurConfig () {\n    curConfig = $.extend(true, {}, defaultConfig, curConfig); // Now safe to merge with priority for curConfig in the event any are already set\n\n    // Now deal with extensions and other array config\n    if (!curConfig.noDefaultExtensions) {\n      curConfig.extensions = curConfig.extensions.concat(defaultExtensions);\n    }\n    // ...and remove any dupes\n    ['extensions', 'stylesheets', 'allowedOrigins'].forEach(function (cfg) {\n      curConfig[cfg] = $.grep(curConfig[cfg], function (n, i) { // Supposedly faster than filter per http://amandeep1986.blogspot.hk/2015/02/jquery-grep-vs-js-filter.html\n        return i === curConfig[cfg].indexOf(n);\n      });\n    });\n    // Export updated config\n    editor.curConfig = curConfig;\n  }\n  (() => {\n    // Load config/data from URL if given\n    let src, qstr;\n    urldata = $.deparam.querystring(true);\n    if (!$.isEmptyObject(urldata)) {\n      if (urldata.dimensions) {\n        urldata.dimensions = urldata.dimensions.split(',');\n      }\n\n      if (urldata.bkgd_color) {\n        urldata.bkgd_color = '#' + urldata.bkgd_color;\n      }\n\n      if (urldata.extensions) {\n        // For security reasons, disallow cross-domain or cross-folder extensions via URL\n        urldata.extensions = urldata.extensions.match(/[:/\\\\]/) ? '' : urldata.extensions.split(',');\n      }\n\n      // Disallowing extension paths via URL for\n      // security reasons, even for same-domain\n      // ones given potential to interact in undesirable\n      // ways with other script resources\n      [\n        'extPath', 'imgPath', 'extIconsPath', 'canvgPath',\n        'langPath', 'jGraduatePath', 'jspdfPath'\n      ].forEach(function (pathConfig) {\n        if (urldata[pathConfig]) {\n          delete urldata[pathConfig];\n        }\n      });\n\n      editor.setConfig(urldata, {overwrite: false}); // Note: source and url (as with storagePrompt later) are not set on config but are used below\n\n      setupCurConfig();\n\n      if (!curConfig.preventURLContentLoading) {\n        src = urldata.source;\n        qstr = $.param.querystring();\n        if (!src) { // urldata.source may have been null if it ended with '='\n          if (qstr.includes('source=data:')) {\n            src = qstr.match(/source=(data:[^&]*)/)[1];\n          }\n        }\n        if (src) {\n          if (src.startsWith('data:')) {\n            editor.loadFromDataURI(src);\n          } else {\n            editor.loadFromString(src);\n          }\n          return;\n        }\n        if (urldata.url) {\n          editor.loadFromURL(urldata.url);\n          return;\n        }\n      }\n      if (!urldata.noStorageOnLoad || curConfig.forceStorage) {\n        editor.loadContentAndPrefs();\n      }\n    } else {\n      setupCurConfig();\n      editor.loadContentAndPrefs();\n    }\n    setupCurPrefs();\n  })();\n\n  /**\n  * Called internally\n  * @param {string|Element|external:jQuery} elem\n  * @param {string|external:jQuery} iconId\n  * @param {Float} forcedSize Not in use\n  * @returns {undefined}\n  */\n  const setIcon = editor.setIcon = function (elem, iconId, forcedSize) {\n    const icon = (typeof iconId === 'string') ? $.getSvgIcon(iconId, true) : iconId.clone();\n    if (!icon) {\n      console.log('NOTE: Icon image missing: ' + iconId);\n      return;\n    }\n    $(elem).empty().append(icon);\n  };\n\n  /**\n   * @fires module:svgcanvas.SvgCanvas#event:ext-addLangData\n   * @fires module:svgcanvas.SvgCanvas#event:ext-langReady\n   * @fires module:svgcanvas.SvgCanvas#event:ext-langChanged\n   * @fires module:svgcanvas.SvgCanvas#event:extensions_added\n   * @returns {Promise} Resolves to result of {@link module:locale.readLang}\n   */\n  const extAndLocaleFunc = async function () {\n    // const lang = ('lang' in curPrefs) ? curPrefs.lang : null;\n    const {langParam, langData} = await editor.putLocale(null, goodLangs, curConfig);\n    setLang(langParam, langData);\n\n    try {\n      await Promise.all(\n        curConfig.extensions.map(async (extname) => {\n          const extName = extname.match(/^ext-(.+)\\.js/);\n          if (!extName) { // Ensure URL cannot specify some other unintended file in the extPath\n            return;\n          }\n          const url = curConfig.extPath + extname;\n          // Todo: Replace this with `return import(url);` when\n          //   `import()` widely supported\n          /**\n           * @tutorial ExtensionDocs\n           * @typedef {PlainObject} module:SVGEditor.ExtensionObject\n           * @property {string} [name] Name of the extension. Used internally; no need for i18n. Defaults to extension name without beginning \"ext-\" or ending \".js\".\n           * @property {module:svgcanvas.ExtensionInitCallback} [init]\n           */\n          try {\n            /**\n             * @type {module:SVGEditor.ExtensionObject}\n             */\n            const imported = await importSetGlobalDefault(url, {\n              global: 'svgEditorExtension_' + extName[1].replace(/-/g, '_')\n            });\n            const {name = extName[1], init} = imported;\n            const importLocale = getImportLocale({defaultLang: langParam, defaultName: name});\n            return editor.addExtension(name, (init && init.bind(editor)), importLocale);\n          } catch (err) {\n            console.log(err);\n            console.error('Extension failed to load: ' + extname + '; ' + err);\n          }\n        })\n      );\n      svgCanvas.bind('extensions_added',\n        /**\n        * @param {external:Window} win\n        * @param {module:svgcanvas.SvgCanvas#event:extensions_added} data\n        * @listens module:svgcanvas.SvgCanvas#event:extensions_added\n        * @returns {undefined}\n        */\n        (win, data) => {\n          extensionsAdded = true;\n          Actions.setAll();\n\n          $('.flyout_arrow_horiz:empty').each(function () {\n            $(this).append($.getSvgIcon('arrow_right', true).width(5).height(5));\n          });\n          messageQueue.forEach(\n            /**\n             * @param {module:svgcanvas.SvgCanvas#event:message} messageObj\n             * @fires module:svgcanvas.SvgCanvas#event:message\n             * @returns {undefined}\n             */\n            (messageObj) => {\n              svgCanvas.call('message', messageObj);\n            }\n          );\n        }\n      );\n      svgCanvas.call('extensions_added');\n    } catch (err) {\n      console.log(err);\n    }\n  };\n\n  const stateObj = {tool_scale: editor.tool_scale};\n\n  const setFlyoutPositions = function () {\n    $('.tools_flyout').each(function () {\n      const shower = $('#' + this.id + '_show');\n      const {left, top} = shower.offset();\n      const w = shower.outerWidth();\n      $(this).css({left: (left + w) * editor.tool_scale, top});\n    });\n  };\n\n  const uaPrefix = (function () {\n    const regex = /^(Moz|Webkit|Khtml|O|ms|Icab)(?=[A-Z])/;\n    const someScript = document.getElementsByTagName('script')[0];\n    for (const prop in someScript.style) {\n      if (regex.test(prop)) {\n        // test is faster than match, so it's better to perform\n        // that on the lot and match only when necessary\n        return prop.match(regex)[0];\n      }\n    }\n    // Nothing found so far?\n    if ('WebkitOpacity' in someScript.style) { return 'Webkit'; }\n    if ('KhtmlOpacity' in someScript.style) { return 'Khtml'; }\n\n    return '';\n  }());\n\n  const scaleElements = function (elems, scale) {\n    // const prefix = '-' + uaPrefix.toLowerCase() + '-'; // Currently unused\n    const sides = ['top', 'left', 'bottom', 'right'];\n\n    elems.each(function () {\n      // Handled in CSS\n      // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';\n      const el = $(this);\n      const w = el.outerWidth() * (scale - 1);\n      const h = el.outerHeight() * (scale - 1);\n      // const margins = {}; // Currently unused\n\n      for (let i = 0; i < 4; i++) {\n        const s = sides[i];\n        let cur = el.data('orig_margin-' + s);\n        if (cur == null) {\n          cur = parseInt(el.css('margin-' + s), 10);\n          // Cache the original margin\n          el.data('orig_margin-' + s, cur);\n        }\n        let val = cur * scale;\n        if (s === 'right') {\n          val += w;\n        } else if (s === 'bottom') {\n          val += h;\n        }\n\n        el.css('margin-' + s, val);\n        // el.css('outline', '1px solid red');\n      }\n    });\n  };\n\n  /**\n  * Called internally.\n  * @param {module:SVGEditor.IconSize} size\n  * @returns {undefined}\n  */\n  const setIconSize = editor.setIconSize = function (size) {\n    // const elems = $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open');\n    const selToscale = '#tools_top .toolset, #editor_panel > *, #history_panel > *,' +\n  '        #main_button, #tools_left > *, #path_node_panel > *, #multiselected_panel > *,' +\n  '        #g_panel > *, #tool_font_size > *, .tools_flyout';\n\n    const elems = $(selToscale);\n\n    let scale = 1;\n    if (typeof size === 'number') {\n      scale = size;\n    } else {\n      const iconSizes = {s: 0.75, m: 1, l: 1.25, xl: 1.5};\n      scale = iconSizes[size];\n    }\n\n    stateObj.tool_scale = editor.tool_scale = scale;\n\n    setFlyoutPositions();\n    // $('.tools_flyout').each(function () {\n    //   const pos = $(this).position();\n    //   console.log($(this), pos.left+(34 * scale));\n    //   $(this).css({left: pos.left+(34 * scale), top: pos.top+(77 * scale)});\n    //   console.log('l', $(this).css('left'));\n    // });\n    //\n    // const scale = .75;\n\n    const hiddenPs = elems.parents(':hidden');\n    hiddenPs.css('visibility', 'hidden').show();\n    scaleElements(elems, scale);\n    hiddenPs.css('visibility', 'visible').hide();\n    // return;\n\n    $.pref('iconsize', size);\n    $('#iconsize').val(size);\n\n    // Change icon size\n    // $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open')\n    // .find('> svg, > img').each(function () {\n    //   this.setAttribute('width',size_num);\n    //   this.setAttribute('height',size_num);\n    // });\n    //\n    // $.resizeSvgIcons({\n    //   '.flyout_arrow_horiz > svg, .flyout_arrow_horiz > img': size_num / 5,\n    //   '#logo > svg, #logo > img': size_num * 1.3,\n    //   '#tools_bottom .icon_label > *': (size_num === 16 ? 18 : size_num * .75)\n    // });\n    // if (size != 's') {\n    //   $.resizeSvgIcons({'#layerbuttons svg, #layerbuttons img': size_num * .6});\n    // }\n\n    // Note that all rules will be prefixed with '#svg_editor' when parsed\n    const cssResizeRules = {\n      // '.tool_button,\\\n      // .push_button,\\\n      // .tool_button_current,\\\n      // .push_button_pressed,\\\n      // .disabled,\\\n      // .icon_label,\\\n      // .tools_flyout .tool_button': {\n      //   width: {s: '16px', l: '32px', xl: '48px'},\n      //   height: {s: '16px', l: '32px', xl: '48px'},\n      //   padding: {s: '1px', l: '2px', xl: '3px'}\n      // },\n      // '.tool_sep': {\n      //   height: {s: '16px', l: '32px', xl: '48px'},\n      //   margin: {s: '2px 2px', l: '2px 5px', xl: '2px 8px'}\n      // },\n      // '#main_icon': {\n      //   width: {s: '31px', l: '53px', xl: '75px'},\n      //   height: {s: '22px', l: '42px', xl: '64px'}\n      // },\n      '#tools_top': {\n        left: 50 + $('#main_button').width(),\n        height: 72\n      },\n      '#tools_left': {\n        width: 31,\n        top: 74\n      },\n      'div#workarea': {\n        left: 38,\n        top: 74\n      }\n      // '#tools_bottom': {\n      //   left: {s: '27px', l: '46px', xl: '65px'},\n      //   height: {s: '58px', l: '98px', xl: '145px'}\n      // },\n      // '#color_tools': {\n      //   'border-spacing': {s: '0 1px'},\n      //   'margin-top': {s: '-1px'}\n      // },\n      // '#color_tools .icon_label': {\n      //   width: {l:'43px', xl: '60px'}\n      // },\n      // '.color_tool': {\n      //   height: {s: '20px'}\n      // },\n      // '#tool_opacity': {\n      //   top: {s: '1px'},\n      //   height: {s: 'auto', l:'auto', xl:'auto'}\n      // },\n      // '#tools_top input, #tools_bottom input': {\n      //   'margin-top': {s: '2px', l: '4px', xl: '5px'},\n      //   height: {s: 'auto', l: 'auto', xl: 'auto'},\n      //   border: {s: '1px solid #555', l: 'auto', xl: 'auto'},\n      //   'font-size': {s: '.9em', l: '1.2em', xl: '1.4em'}\n      // },\n      // '#zoom_panel': {\n      //   'margin-top': {s: '3px', l: '4px', xl: '5px'}\n      // },\n      // '#copyright, #tools_bottom .label': {\n      //   'font-size': {l: '1.5em', xl: '2em'},\n      //   'line-height': {s: '15px'}\n      // },\n      // '#tools_bottom_2': {\n      //   width: {l: '295px', xl: '355px'},\n      //   top: {s: '4px'}\n      // },\n      // '#tools_top > div, #tools_top': {\n      //   'line-height': {s: '17px', l: '34px', xl: '50px'}\n      // },\n      // '.dropdown button': {\n      //   height: {s: '18px', l: '34px', xl: '40px'},\n      //   'line-height': {s: '18px', l: '34px', xl: '40px'},\n      //   'margin-top': {s: '3px'}\n      // },\n      // '#tools_top label, #tools_bottom label': {\n      //   'font-size': {s: '1em', l: '1.5em', xl: '2em'},\n      //   height: {s: '25px', l: '42px', xl: '64px'}\n      // },\n      // 'div.toolset': {\n      //   height: {s: '25px', l: '42px', xl: '64px'}\n      // },\n      // '#tool_bold, #tool_italic': {\n      //   'font-size': {s: '1.5em', l: '3em', xl: '4.5em'}\n      // },\n      // '#sidepanels': {\n      //   top: {s: '50px', l: '88px', xl: '125px'},\n      //   bottom: {s: '51px', l: '68px', xl: '65px'}\n      // },\n      // '#layerbuttons': {\n      //   width: {l: '130px', xl: '175px'},\n      //   height: {l: '24px', xl: '30px'}\n      // },\n      // '#layerlist': {\n      //   width: {l: '128px', xl: '150px'}\n      // },\n      // '.layer_button': {\n      //   width: {l: '19px', xl: '28px'},\n      //   height: {l: '19px', xl: '28px'}\n      // },\n      // 'input.spin-button': {\n      //   'background-image': {l: 'url('images/spinbtn_updn_big.png')', xl: 'url('images/spinbtn_updn_big.png')'},\n      //   'background-position': {l: '100% -5px', xl: '100% -2px'},\n      //   'padding-right': {l: '24px', xl: '24px' }\n      // },\n      // 'input.spin-button.up': {\n      //   'background-position': {l: '100% -45px', xl: '100% -42px'}\n      // },\n      // 'input.spin-button.down': {\n      //   'background-position': {l: '100% -85px', xl: '100% -82px'}\n      // },\n      // '#position_opts': {\n      //   width: {all: (size_num*4) +'px'}\n      // }\n    };\n\n    let ruleElem = $('#tool_size_rules');\n    if (!ruleElem.length) {\n      ruleElem = $('<style id=\"tool_size_rules\"></style>').appendTo('head');\n    } else {\n      ruleElem.empty();\n    }\n\n    if (size !== 'm') {\n      let styleStr = '';\n      $.each(cssResizeRules, function (selector, rules) {\n        selector = '#svg_editor ' + selector.replace(/,/g, ', #svg_editor');\n        styleStr += selector + '{';\n        $.each(rules, function (prop, values) {\n          let val;\n          if (typeof values === 'number') {\n            val = (values * scale) + 'px';\n          } else if (values[size] || values.all) {\n            val = (values[size] || values.all);\n          }\n          styleStr += (prop + ':' + val + ';');\n        });\n        styleStr += '}';\n      });\n      // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';\n      const prefix = '-' + uaPrefix.toLowerCase() + '-';\n      styleStr += (selToscale + '{' + prefix + 'transform: scale(' + scale + ');}' +\n        ' #svg_editor div.toolset .toolset {' + prefix + 'transform: scale(1); margin: 1px !important;}' + // Hack for markers\n        ' #svg_editor .ui-slider {' + prefix + 'transform: scale(' + (1 / scale) + ');}' // Hack for sliders\n      );\n      ruleElem.text(styleStr);\n    }\n\n    setFlyoutPositions();\n  };\n  $.svgIcons(curConfig.imgPath + 'svg_edit_icons.svg', {\n    w: 24, h: 24,\n    id_match: false,\n    no_img: !isWebkit(), // Opera & Firefox 4 gives odd behavior w/images\n    fallback_path: curConfig.imgPath,\n    fallback: {\n      logo: 'logo.png',\n\n      select: 'select.png',\n      select_node: 'select_node.png',\n\n      square: 'square.png',\n      rect: 'rect.png',\n      fh_rect: 'freehand-square.png',\n      circle: 'circle.png',\n      ellipse: 'ellipse.png',\n      fh_ellipse: 'freehand-circle.png',\n      pencil: 'fhpath.png',\n      pen: 'line.png',\n      text: 'text.png',\n      path: 'path.png',\n      add_subpath: 'add_subpath.png',\n      close_path: 'closepath.png',\n      open_path: 'openpath.png',\n\n      image: 'image.png',\n      zoom: 'zoom.png',\n\n      arrow_right: 'flyouth.png',\n      arrow_right_big: 'arrow_right_big.png',\n      arrow_down: 'dropdown.gif',\n      fill: 'fill.png',\n      stroke: 'stroke.png',\n      opacity: 'opacity.png',\n\n      new_image: 'clear.png',\n      save: 'save.png',\n      export: 'export.png',\n      open: 'open.png',\n      import: 'import.png',\n      docprops: 'document-properties.png',\n      source: 'source.png',\n      wireframe: 'wireframe.png',\n\n      undo: 'undo.png',\n      redo: 'redo.png',\n\n      clone: 'clone.png',\n      delete: 'delete.png',\n      go_up: 'go-up.png',\n      go_down: 'go-down.png',\n      context_menu: 'context_menu.png',\n      move_bottom: 'move_bottom.png',\n      move_top: 'move_top.png',\n      to_path: 'to_path.png',\n      link_controls: 'link_controls.png',\n      reorient: 'reorient.png',\n      group_elements: 'shape_group_elements.png',\n\n      ungroup: 'shape_ungroup.png',\n      unlink_use: 'unlink_use.png',\n      width: 'width.png',\n      height: 'height.png',\n      c_radius: 'c_radius.png',\n      angle: 'angle.png',\n      blur: 'blur.png',\n      fontsize: 'fontsize.png',\n      align: 'align.png',\n\n      align_left: 'align-left.png',\n      align_center: 'align-center.png',\n      align_right: 'align-right.png',\n      align_top: 'align-top.png',\n      align_middle: 'align-middle.png',\n      align_bottom: 'align-bottom.png',\n\n      linecap_butt: 'linecap_butt.png',\n      linecap_square: 'linecap_square.png',\n      linecap_round: 'linecap_round.png',\n      linejoin_miter: 'linejoin_miter.png',\n      linejoin_bevel: 'linejoin_bevel.png',\n      linejoin_round: 'linejoin_round.png',\n      eye: 'eye.png',\n      no_color: 'no_color.png',\n\n      ok: 'save.png',\n      cancel: 'cancel.png',\n      warning: 'warning.png',\n\n      node_delete: 'node_delete.png',\n      node_clone: 'node_clone.png',\n\n      globe_link: 'globe_link.png'\n    },\n    placement: {\n      '#logo': 'logo',\n\n      '#tool_clear div,#layer_new': 'new_image',\n      '#tool_save div': 'save',\n      '#tool_export div': 'export',\n      '#tool_open div div': 'open',\n      '#tool_import div div': 'import',\n      '#tool_source': 'source',\n      '#tool_docprops > div': 'docprops',\n      '#tool_wireframe': 'wireframe',\n\n      '#tool_undo': 'undo',\n      '#tool_redo': 'redo',\n\n      '#tool_select': 'select',\n      '#tool_fhpath': 'pencil',\n      '#tool_line': 'pen',\n      '#tool_rect,#tools_rect_show': 'rect',\n      '#tool_square': 'square',\n      '#tool_fhrect': 'fh_rect',\n      '#tool_ellipse,#tools_ellipse_show': 'ellipse',\n      '#tool_circle': 'circle',\n      '#tool_fhellipse': 'fh_ellipse',\n      '#tool_path': 'path',\n      '#tool_text,#layer_rename': 'text',\n      '#tool_image': 'image',\n      '#tool_zoom': 'zoom',\n\n      '#tool_clone,#tool_clone_multi': 'clone',\n      '#tool_node_clone': 'node_clone',\n      '#layer_delete,#tool_delete,#tool_delete_multi': 'delete',\n      '#tool_node_delete': 'node_delete',\n      '#tool_add_subpath': 'add_subpath',\n      '#tool_openclose_path': 'open_path',\n      '#tool_move_top': 'move_top',\n      '#tool_move_bottom': 'move_bottom',\n      '#tool_topath': 'to_path',\n      '#tool_node_link': 'link_controls',\n      '#tool_reorient': 'reorient',\n      '#tool_group_elements': 'group_elements',\n      '#tool_ungroup': 'ungroup',\n      '#tool_unlink_use': 'unlink_use',\n\n      '#tool_alignleft, #tool_posleft': 'align_left',\n      '#tool_aligncenter, #tool_poscenter': 'align_center',\n      '#tool_alignright, #tool_posright': 'align_right',\n      '#tool_aligntop, #tool_postop': 'align_top',\n      '#tool_alignmiddle, #tool_posmiddle': 'align_middle',\n      '#tool_alignbottom, #tool_posbottom': 'align_bottom',\n      '#cur_position': 'align',\n\n      '#linecap_butt,#cur_linecap': 'linecap_butt',\n      '#linecap_round': 'linecap_round',\n      '#linecap_square': 'linecap_square',\n\n      '#linejoin_miter,#cur_linejoin': 'linejoin_miter',\n      '#linejoin_round': 'linejoin_round',\n      '#linejoin_bevel': 'linejoin_bevel',\n\n      '#url_notice': 'warning',\n\n      '#layer_up': 'go_up',\n      '#layer_down': 'go_down',\n      '#layer_moreopts': 'context_menu',\n      '#layerlist td.layervis': 'eye',\n\n      '#tool_source_save,#tool_docprops_save,#tool_prefs_save': 'ok',\n      '#tool_source_cancel,#tool_docprops_cancel,#tool_prefs_cancel': 'cancel',\n\n      '#rwidthLabel, #iwidthLabel': 'width',\n      '#rheightLabel, #iheightLabel': 'height',\n      '#cornerRadiusLabel span': 'c_radius',\n      '#angleLabel': 'angle',\n      '#linkLabel,#tool_make_link,#tool_make_link_multi': 'globe_link',\n      '#zoomLabel': 'zoom',\n      '#tool_fill label': 'fill',\n      '#tool_stroke .icon_label': 'stroke',\n      '#group_opacityLabel': 'opacity',\n      '#blurLabel': 'blur',\n      '#font_sizeLabel': 'fontsize',\n\n      '.flyout_arrow_horiz': 'arrow_right',\n      '.dropdown button, #main_button .dropdown': 'arrow_down',\n      '#palette .palette_item:first, #fill_bg, #stroke_bg': 'no_color'\n    },\n    resize: {\n      '#logo .svg_icon': 28,\n      '.flyout_arrow_horiz .svg_icon': 5,\n      '.layer_button .svg_icon, #layerlist td.layervis .svg_icon': 14,\n      '.dropdown button .svg_icon': 7,\n      '#main_button .dropdown .svg_icon': 9,\n      '.palette_item:first .svg_icon': 15,\n      '#fill_bg .svg_icon, #stroke_bg .svg_icon': 16,\n      '.toolbar_button button .svg_icon': 16,\n      '.stroke_tool div div .svg_icon': 20,\n      '#tools_bottom label .svg_icon': 18\n    },\n    callback (icons) {\n      $('.toolbar_button button > svg, .toolbar_button button > img').each(function () {\n        $(this).parent().prepend(this);\n      });\n\n      const tleft = $('#tools_left');\n\n      let minHeight;\n      if (tleft.length) {\n        minHeight = tleft.offset().top + tleft.outerHeight();\n      }\n\n      const size = $.pref('iconsize');\n      editor.setIconSize(size || ($(window).height() < minHeight ? 's' : 'm'));\n\n      // Look for any missing flyout icons from plugins\n      $('.tools_flyout').each(function () {\n        const shower = $('#' + this.id + '_show');\n        const sel = shower.attr('data-curopt');\n        // Check if there's an icon here\n        if (!shower.children('svg, img').length) {\n          const clone = $(sel).children().clone();\n          if (clone.length) {\n            clone[0].removeAttribute('style'); // Needed for Opera\n            shower.append(clone);\n          }\n        }\n      });\n\n      function getStylesheetPriority (stylesheet) {\n        switch (stylesheet) {\n        case 'jgraduate/css/jPicker.css':\n          return 1;\n        case 'jgraduate/css/jGraduate.css':\n          return 2;\n        case 'svg-editor.css':\n          return 3;\n        case 'spinbtn/jQuery.SpinButton.css':\n          return 4;\n        default:\n          return Infinity;\n        }\n      }\n      let stylesheets = $.loadingStylesheets.sort((a, b) => {\n        const priorityA = getStylesheetPriority(a);\n        const priorityB = getStylesheetPriority(b);\n        if (priorityA === priorityB) {\n          return 0;\n        }\n        return priorityA > priorityB;\n      });\n      if (curConfig.stylesheets.length) {\n        // Ensure a copy with unique items\n        stylesheets = [...new Set(curConfig.stylesheets)];\n        const idx = stylesheets.indexOf('@default');\n        if (idx > -1) {\n          stylesheets.splice(idx, 1, ...$.loadingStylesheets);\n        }\n      }\n      loadStylesheets(stylesheets, {acceptErrors: ({stylesheetURL, reject, resolve}) => {\n        if ($.loadingStylesheets.includes(stylesheetURL)) {\n          reject(new Error(`Missing expected stylesheet: ${stylesheetURL}`));\n          return;\n        }\n        resolve();\n      }}).then(() => {\n        $('#svg_container')[0].style.visibility = 'visible';\n        editor.runCallbacks();\n      });\n    }\n  });\n\n  /**\n  * @name module:SVGEditor.canvas\n  * @type {module:svgcanvas.SvgCanvas}\n  */\n  editor.canvas = svgCanvas = new SvgCanvas(\n    document.getElementById('svgcanvas'),\n    curConfig\n  );\n  const palette = [ // Todo: Make into configuration item?\n      '#000000', '#3f3f3f', '#7f7f7f', '#bfbfbf', '#ffffff',\n      '#ff0000', '#ff7f00', '#ffff00', '#7fff00',\n      '#00ff00', '#00ff7f', '#00ffff', '#007fff',\n      '#0000ff', '#7f00ff', '#ff00ff', '#ff007f',\n      '#7f0000', '#7f3f00', '#7f7f00', '#3f7f00',\n      '#007f00', '#007f3f', '#007f7f', '#003f7f',\n      '#00007f', '#3f007f', '#7f007f', '#7f003f',\n      '#ffaaaa', '#ffd4aa', '#ffffaa', '#d4ffaa',\n      '#aaffaa', '#aaffd4', '#aaffff', '#aad4ff',\n      '#aaaaff', '#d4aaff', '#ffaaff', '#ffaad4'\n    ],\n    modKey = (isMac() ? 'meta+' : 'ctrl+'), // ⌘\n    path = svgCanvas.pathActions,\n    {undoMgr} = svgCanvas,\n    workarea = $('#workarea'),\n    canvMenu = $('#cmenu_canvas'),\n    // layerMenu = $('#cmenu_layers'), // Unused\n    paintBox = {fill: null, stroke: null};\n\n  let resizeTimer, curScrollPos;\n  let exportWindow = null,\n    defaultImageURL = curConfig.imgPath + 'logo.png',\n    zoomInIcon = 'crosshair',\n    zoomOutIcon = 'crosshair',\n    uiContext = 'toolbars';\n\n  // For external openers\n  (function () {\n    // let the opener know SVG Edit is ready (now that config is set up)\n    const w = window.opener || window.parent;\n    if (w) {\n      try {\n        /**\n         * Triggered on a containing `document` (of `window.opener`\n         * or `window.parent`) when the editor is loaded.\n         * @event module:SVGEditor#event:svgEditorReadyEvent\n         * @type {Event}\n         * @property {true} bubbles\n         * @property {true} cancelable\n         */\n        /**\n         * @name module:SVGEditor.svgEditorReadyEvent\n         * @type {module:SVGEditor#event:svgEditorReadyEvent}\n         */\n        const svgEditorReadyEvent = new w.CustomEvent('svgEditorReady', {\n          bubbles: true,\n          cancelable: true\n        });\n        w.document.documentElement.dispatchEvent(svgEditorReadyEvent);\n      } catch (e) {}\n    }\n  }());\n\n  // This sets up alternative dialog boxes. They mostly work the same way as\n  // their UI counterparts, expect instead of returning the result, a callback\n  // needs to be included that returns the result as its first parameter.\n  // In the future we may want to add additional types of dialog boxes, since\n  // they should be easy to handle this way.\n  (function () {\n    $('#dialog_container').draggable({\n      cancel: '#dialog_content, #dialog_buttons *',\n      containment: 'window'\n    }).css('position', 'absolute');\n    const box = $('#dialog_box'),\n      btnHolder = $('#dialog_buttons'),\n      dialogContent = $('#dialog_content'),\n      dbox = function (type, msg, callback, defaultVal, opts, changeCb, checkbox) {\n        dialogContent.html('<p>' + msg.replace(/\\n/g, '</p><p>') + '</p>')\n          .toggleClass('prompt', (type === 'prompt'));\n        btnHolder.empty();\n\n        const ok = $('<input type=\"button\" value=\"' + uiStrings.common.ok + '\">').appendTo(btnHolder);\n\n        if (type !== 'alert') {\n          $('<input type=\"button\" value=\"' + uiStrings.common.cancel + '\">')\n            .appendTo(btnHolder)\n            .click(function () {\n              box.hide();\n              if (callback) {\n                callback(false); // eslint-disable-line standard/no-callback-literal\n              }\n            });\n        }\n\n        let ctrl, chkbx;\n        if (type === 'prompt') {\n          ctrl = $('<input type=\"text\">').prependTo(btnHolder);\n          ctrl.val(defaultVal || '');\n          ctrl.bind('keydown', 'return', function () { ok.click(); });\n        } else if (type === 'select') {\n          const div = $('<div style=\"text-align:center;\">');\n          ctrl = $('<select>').appendTo(div);\n          if (checkbox) {\n            const label = $('<label>').text(checkbox.label);\n            chkbx = $('<input type=\"checkbox\">').appendTo(label);\n            chkbx.val(checkbox.value);\n            if (checkbox.tooltip) {\n              label.attr('title', checkbox.tooltip);\n            }\n            chkbx.prop('checked', !!checkbox.checked);\n            div.append($('<div>').append(label));\n          }\n          $.each(opts || [], function (opt, val) {\n            if (typeof val === 'object') {\n              ctrl.append($('<option>').val(val.value).html(val.text));\n            } else {\n              ctrl.append($('<option>').html(val));\n            }\n          });\n          dialogContent.append(div);\n          if (defaultVal) {\n            ctrl.val(defaultVal);\n          }\n          if (changeCb) {\n            ctrl.bind('change', 'return', changeCb);\n          }\n          ctrl.bind('keydown', 'return', function () { ok.click(); });\n        } else if (type === 'process') {\n          ok.hide();\n        }\n\n        box.show();\n\n        ok.click(function () {\n          box.hide();\n          const resp = (type === 'prompt' || type === 'select') ? ctrl.val() : true;\n          if (callback) {\n            if (chkbx) {\n              callback(resp, chkbx.prop('checked'));\n            } else {\n              callback(resp);\n            }\n          }\n        }).focus();\n\n        if (type === 'prompt' || type === 'select') {\n          ctrl.focus();\n        }\n      };\n\n    $.alert = function (msg, cb) { dbox('alert', msg, cb); };\n    $.confirm = function (msg, cb) { dbox('confirm', msg, cb); };\n    $.process_cancel = function (msg, cb) { dbox('process', msg, cb); };\n    $.prompt = function (msg, txt, cb) { dbox('prompt', msg, cb, txt); };\n    $.select = function (msg, opts, cb, changeCb, txt, checkbox) { dbox('select', msg, cb, txt, opts, changeCb, checkbox); };\n  }());\n\n  const setSelectMode = function () {\n    const curr = $('.tool_button_current');\n    if (curr.length && curr[0].id !== 'tool_select') {\n      curr.removeClass('tool_button_current').addClass('tool_button');\n      $('#tool_select').addClass('tool_button_current').removeClass('tool_button');\n      $('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all} #svgcanvas svg{cursor:default}');\n    }\n    svgCanvas.setMode('select');\n    workarea.css('cursor', 'auto');\n  };\n\n  // used to make the flyouts stay on the screen longer the very first time\n  // const flyoutspeed = 1250; // Currently unused\n  // let textBeingEntered = false; // Currently unused\n  const origTitle = $('title:first').text();\n  // Make [1,2,5] array\n  const rIntervals = [];\n  for (let i = 0.1; i < 1E5; i *= 10) {\n    rIntervals.push(i);\n    rIntervals.push(2 * i);\n    rIntervals.push(5 * i);\n  }\n\n  // This function highlights the layer passed in (by fading out the other layers)\n  // if no layer is passed in, this function restores the other layers\n  const toggleHighlightLayer = function (layerNameToHighlight) {\n    let i;\n    const curNames = [], numLayers = svgCanvas.getCurrentDrawing().getNumLayers();\n    for (i = 0; i < numLayers; i++) {\n      curNames[i] = svgCanvas.getCurrentDrawing().getLayerName(i);\n    }\n\n    if (layerNameToHighlight) {\n      for (i = 0; i < numLayers; ++i) {\n        if (curNames[i] !== layerNameToHighlight) {\n          svgCanvas.getCurrentDrawing().setLayerOpacity(curNames[i], 0.5);\n        }\n      }\n    } else {\n      for (i = 0; i < numLayers; ++i) {\n        svgCanvas.getCurrentDrawing().setLayerOpacity(curNames[i], 1.0);\n      }\n    }\n  };\n\n  const populateLayers = function () {\n    svgCanvas.clearSelection();\n    const layerlist = $('#layerlist tbody').empty();\n    const selLayerNames = $('#selLayerNames').empty();\n    const drawing = svgCanvas.getCurrentDrawing();\n    const currentLayerName = drawing.getCurrentLayerName();\n    const icon = $.getSvgIcon('eye');\n    let layer = svgCanvas.getCurrentDrawing().getNumLayers();\n    // we get the layers in the reverse z-order (the layer rendered on top is listed first)\n    while (layer--) {\n      const name = drawing.getLayerName(layer);\n      const layerTr = $('<tr class=\"layer\">').toggleClass('layersel', name === currentLayerName);\n      const layerVis = $('<td class=\"layervis\">').toggleClass('layerinvis', !drawing.getLayerVisibility(name));\n      const layerName = $('<td class=\"layername\">' + name + '</td>');\n      layerlist.append(layerTr.append(layerVis, layerName));\n      selLayerNames.append('<option value=\"' + name + '\">' + name + '</option>');\n    }\n    if (icon !== undefined) {\n      const copy = icon.clone();\n      $('td.layervis', layerlist).append(copy);\n      $.resizeSvgIcons({'td.layervis .svg_icon': 14});\n    }\n    // handle selection of layer\n    $('#layerlist td.layername')\n      .mouseup(function (evt) {\n        $('#layerlist tr.layer').removeClass('layersel');\n        $(this.parentNode).addClass('layersel');\n        svgCanvas.setCurrentLayer(this.textContent);\n        evt.preventDefault();\n      })\n      .mouseover(function () {\n        toggleHighlightLayer(this.textContent);\n      })\n      .mouseout(function () {\n        toggleHighlightLayer();\n      });\n    $('#layerlist td.layervis').click(function () {\n      const row = $(this.parentNode).prevAll().length;\n      const name = $('#layerlist tr.layer:eq(' + row + ') td.layername').text();\n      const vis = $(this).hasClass('layerinvis');\n      svgCanvas.setLayerVisibility(name, vis);\n      $(this).toggleClass('layerinvis');\n    });\n\n    // if there were too few rows, let's add a few to make it not so lonely\n    let num = 5 - $('#layerlist tr.layer').size();\n    while (num-- > 0) {\n      // FIXME: there must a better way to do this\n      layerlist.append('<tr><td style=\"color:white\">_</td><td/></tr>');\n    }\n  };\n\n  let editingsource = false;\n  let origSource = '';\n  const showSourceEditor = function (e, forSaving) {\n    if (editingsource) { return; }\n\n    editingsource = true;\n    origSource = svgCanvas.getSvgString();\n    $('#save_output_btns').toggle(!!forSaving);\n    $('#tool_source_back').toggle(!forSaving);\n    $('#svg_source_textarea').val(origSource);\n    $('#svg_source_editor').fadeIn();\n    $('#svg_source_textarea').focus();\n  };\n\n  let selectedElement = null;\n  let multiselected = false;\n\n  const togglePathEditMode = function (editmode, elems) {\n    $('#path_node_panel').toggle(editmode);\n    $('#tools_bottom_2,#tools_bottom_3').toggle(!editmode);\n    if (editmode) {\n      // Change select icon\n      $('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');\n      $('#tool_select').addClass('tool_button_current').removeClass('tool_button');\n      setIcon('#tool_select', 'select_node');\n      multiselected = false;\n      if (elems.length) {\n        selectedElement = elems[0];\n      }\n    } else {\n      setTimeout(() => {\n        setIcon('#tool_select', 'select');\n      }, 1000);\n    }\n  };\n\n  /**\n   * @type {module:svgcanvas.EventHandler}\n   * @param {external:Window} wind\n   * @param {module:svgcanvas.SvgCanvas#event:saved} svg The SVG source\n   * @listens module:svgcanvas.SvgCanvas#event:saved\n   * @returns {undefined}\n   */\n  const saveHandler = function (wind, svg) {\n    editor.showSaveWarning = false;\n\n    // by default, we add the XML prolog back, systems integrating SVG-edit (wikis, CMSs)\n    // can just provide their own custom save handler and might not want the XML prolog\n    svg = '<?xml version=\"1.0\"?>\\n' + svg;\n\n    // IE9 doesn't allow standalone Data URLs\n    // https://connect.microsoft.com/IE/feedback/details/542600/data-uri-images-fail-when-loaded-by-themselves\n    if (isIE()) {\n      showSourceEditor(0, true);\n      return;\n    }\n\n    // Since saving SVGs by opening a new window was removed in Chrome use artificial link-click\n    // https://stackoverflow.com/questions/45603201/window-is-not-allowed-to-navigate-top-frame-navigations-to-data-urls\n    const a = document.createElement('a');\n    a.href = 'data:image/svg+xml;base64,' + Utils.encode64(svg);\n    a.download = 'icon.svg';\n\n    a.click();\n\n    // Alert will only appear the first time saved OR the\n    //   first time the bug is encountered\n    let done = $.pref('save_notice_done');\n    if (done !== 'all') {\n      let note = uiStrings.notification.saveFromBrowser.replace('%s', 'SVG');\n      // Check if FF and has <defs/>\n      if (isGecko()) {\n        if (svg.includes('<defs')) {\n          // warning about Mozilla bug #308590 when applicable (seems to be fixed now in Feb 2013)\n          note += '\\n\\n' + uiStrings.notification.defsFailOnSave;\n          $.pref('save_notice_done', 'all');\n          done = 'all';\n        } else {\n          $.pref('save_notice_done', 'part');\n        }\n      } else {\n        $.pref('save_notice_done', 'all');\n      }\n      if (done !== 'part') {\n        alert(note);\n      }\n    }\n  };\n\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:exported} data\n   * @listens module:svgcanvas.SvgCanvas#event:exported\n   * @returns {undefined}\n   */\n  const exportHandler = function (win, data) {\n    const {issues, exportWindowName} = data;\n\n    if (exportWindowName) {\n      exportWindow = window.open(Utils.blankPageObjectURL || '', exportWindowName); // A hack to get the window via JSON-able name without opening a new one\n    }\n\n    if (!exportWindow || exportWindow.closed) {\n      $.alert(uiStrings.notification.popupWindowBlocked);\n      return;\n    }\n\n    exportWindow.location.href = data.bloburl || data.datauri;\n    const done = $.pref('export_notice_done');\n    if (done !== 'all') {\n      let note = uiStrings.notification.saveFromBrowser.replace('%s', data.type);\n\n      // Check if there are issues\n      if (issues.length) {\n        const pre = '\\n \\u2022 ';\n        note += ('\\n\\n' + uiStrings.notification.noteTheseIssues + pre + issues.join(pre));\n      }\n\n      // Note that this will also prevent the notice even though new issues may appear later.\n      // May want to find a way to deal with that without annoying the user\n      $.pref('export_notice_done', 'all');\n      exportWindow.alert(note);\n    }\n  };\n\n  const operaRepaint = function () {\n    // Repaints canvas in Opera. Needed for stroke-dasharray change as well as fill change\n    if (!window.opera) {\n      return;\n    }\n    $('<p/>').hide().appendTo('body').remove();\n  };\n\n  function setStrokeOpt (opt, changeElem) {\n    const {id} = opt;\n    const bits = id.split('_');\n    const pre = bits[0];\n    const val = bits[1];\n\n    if (changeElem) {\n      svgCanvas.setStrokeAttr('stroke-' + pre, val);\n    }\n    operaRepaint();\n    setIcon('#cur_' + pre, id, 20);\n    $(opt).addClass('current').siblings().removeClass('current');\n  }\n\n  /**\n  * This is a common function used when a tool has been clicked (chosen)\n  * It does several common things:\n  * - removes the `tool_button_current` class from whatever tool currently has it\n  * - hides any flyouts\n  * - adds the `tool_button_current` class to the button passed in\n  * @function module:SVGEDitor.toolButtonClick\n  * @param {string|Element} button The DOM element or string selector representing the toolbar button\n  * @param {boolean} noHiding Whether not to hide any flyouts\n  * @returns {boolean} Whether the button was disabled or not\n  */\n  const toolButtonClick = editor.toolButtonClick = function (button, noHiding) {\n    if ($(button).hasClass('disabled')) { return false; }\n    if ($(button).parent().hasClass('tools_flyout')) { return true; }\n    const fadeFlyouts = 'normal';\n    if (!noHiding) {\n      $('.tools_flyout').fadeOut(fadeFlyouts);\n    }\n    $('#styleoverrides').text('');\n    workarea.css('cursor', 'auto');\n    $('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');\n    $(button).addClass('tool_button_current').removeClass('tool_button');\n    return true;\n  };\n\n  /**\n  * Unless the select toolbar button is disabled, sets the button\n  * and sets the select mode and cursor styles.\n  * @function module:SVGEditor.clickSelect\n  * @returns {undefined}\n  */\n  const clickSelect = editor.clickSelect = function () {\n    if (toolButtonClick('#tool_select')) {\n      svgCanvas.setMode('select');\n      $('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all}, #svgcanvas svg{cursor:default}');\n    }\n  };\n\n  /**\n  * Set a selected image's URL\n  * @function module:SVGEditor.setImageURL\n  * @param {string} url\n  * @returns {undefined}\n  */\n  const setImageURL = editor.setImageURL = function (url) {\n    if (!url) {\n      url = defaultImageURL;\n    }\n    svgCanvas.setImageURL(url);\n    $('#image_url').val(url);\n\n    if (url.startsWith('data:')) {\n      // data URI found\n      $('#image_url').hide();\n      $('#change_image_url').show();\n    } else {\n      // regular URL\n      svgCanvas.embedImage(url, function (dataURI) {\n        // Couldn't embed, so show warning\n        $('#url_notice').toggle(!dataURI);\n        defaultImageURL = url;\n      });\n      $('#image_url').show();\n      $('#change_image_url').hide();\n    }\n  };\n\n  function setBackground (color, url) {\n    // if (color == $.pref('bkgd_color') && url == $.pref('bkgd_url')) { return; }\n    $.pref('bkgd_color', color);\n    $.pref('bkgd_url', url);\n\n    // This should be done in svgcanvas.js for the borderRect fill\n    svgCanvas.setBackground(color, url);\n  }\n\n  function promptImgURL ({cancelDeletes = false} = {}) {\n    let curhref = svgCanvas.getHref(selectedElement);\n    curhref = curhref.startsWith('data:') ? '' : curhref;\n    $.prompt(uiStrings.notification.enterNewImgURL, curhref, function (url) {\n      if (url) {\n        setImageURL(url);\n      } else if (cancelDeletes) {\n        svgCanvas.deleteSelectedElements();\n      }\n    });\n  }\n\n  const setInputWidth = function (elem) {\n    const w = Math.min(Math.max(12 + elem.value.length * 6, 50), 300);\n    $(elem).width(w);\n  };\n\n  function updateRulers (scanvas, zoom) {\n    if (!zoom) { zoom = svgCanvas.getZoom(); }\n    if (!scanvas) { scanvas = $('#svgcanvas'); }\n\n    let d, i;\n    const limit = 30000;\n    const contentElem = svgCanvas.getContentElem();\n    const units = getTypeMap();\n    const unit = units[curConfig.baseUnit]; // 1 = 1px\n\n    // draw x ruler then y ruler\n    for (d = 0; d < 2; d++) {\n      const isX = (d === 0);\n      const dim = isX ? 'x' : 'y';\n      const lentype = isX ? 'width' : 'height';\n      const contentDim = Number(contentElem.getAttribute(dim));\n\n      const $hcanvOrig = $('#ruler_' + dim + ' canvas:first');\n\n      // Bit of a hack to fully clear the canvas in Safari & IE9\n      const $hcanv = $hcanvOrig.clone();\n      $hcanvOrig.replaceWith($hcanv);\n\n      const hcanv = $hcanv[0];\n\n      // Set the canvas size to the width of the container\n      let rulerLen = scanvas[lentype]();\n      const totalLen = rulerLen;\n      hcanv.parentNode.style[lentype] = totalLen + 'px';\n      let ctx = hcanv.getContext('2d');\n      let ctxArr, num, ctxArrNum;\n\n      ctx.fillStyle = 'rgb(200,0,0)';\n      ctx.fillRect(0, 0, hcanv.width, hcanv.height);\n\n      // Remove any existing canvasses\n      $hcanv.siblings().remove();\n\n      // Create multiple canvases when necessary (due to browser limits)\n      if (rulerLen >= limit) {\n        ctxArrNum = parseInt(rulerLen / limit, 10) + 1;\n        ctxArr = [];\n        ctxArr[0] = ctx;\n        let copy;\n        for (i = 1; i < ctxArrNum; i++) {\n          hcanv[lentype] = limit;\n          copy = hcanv.cloneNode(true);\n          hcanv.parentNode.append(copy);\n          ctxArr[i] = copy.getContext('2d');\n        }\n\n        copy[lentype] = rulerLen % limit;\n\n        // set copy width to last\n        rulerLen = limit;\n      }\n\n      hcanv[lentype] = rulerLen;\n\n      const uMulti = unit * zoom;\n\n      // Calculate the main number interval\n      const rawM = 50 / uMulti;\n      let multi = 1;\n      for (i = 0; i < rIntervals.length; i++) {\n        num = rIntervals[i];\n        multi = num;\n        if (rawM <= num) {\n          break;\n        }\n      }\n\n      const bigInt = multi * uMulti;\n\n      ctx.font = '9px sans-serif';\n\n      let rulerD = ((contentDim / uMulti) % multi) * uMulti;\n      let labelPos = rulerD - bigInt;\n      // draw big intervals\n      let ctxNum = 0;\n      while (rulerD < totalLen) {\n        labelPos += bigInt;\n        // const realD = rulerD - contentDim; // Currently unused\n\n        const curD = Math.round(rulerD) + 0.5;\n        if (isX) {\n          ctx.moveTo(curD, 15);\n          ctx.lineTo(curD, 0);\n        } else {\n          ctx.moveTo(15, curD);\n          ctx.lineTo(0, curD);\n        }\n\n        num = (labelPos - contentDim) / uMulti;\n        let label;\n        if (multi >= 1) {\n          label = Math.round(num);\n        } else {\n          const decs = String(multi).split('.')[1].length;\n          label = num.toFixed(decs);\n        }\n\n        // Change 1000s to Ks\n        if (label !== 0 && label !== 1000 && label % 1000 === 0) {\n          label = (label / 1000) + 'K';\n        }\n\n        if (isX) {\n          ctx.fillText(label, rulerD + 2, 8);\n        } else {\n          // draw label vertically\n          const str = String(label).split('');\n          for (i = 0; i < str.length; i++) {\n            ctx.fillText(str[i], 1, (rulerD + 9) + i * 9);\n          }\n        }\n\n        const part = bigInt / 10;\n        // draw the small intervals\n        for (i = 1; i < 10; i++) {\n          let subD = Math.round(rulerD + part * i) + 0.5;\n          if (ctxArr && subD > rulerLen) {\n            ctxNum++;\n            ctx.stroke();\n            if (ctxNum >= ctxArrNum) {\n              i = 10;\n              rulerD = totalLen;\n              continue;\n            }\n            ctx = ctxArr[ctxNum];\n            rulerD -= limit;\n            subD = Math.round(rulerD + part * i) + 0.5;\n          }\n\n          // odd lines are slighly longer\n          const lineNum = (i % 2) ? 12 : 10;\n          if (isX) {\n            ctx.moveTo(subD, 15);\n            ctx.lineTo(subD, lineNum);\n          } else {\n            ctx.moveTo(15, subD);\n            ctx.lineTo(lineNum, subD);\n          }\n        }\n        rulerD += bigInt;\n      }\n      ctx.strokeStyle = '#000';\n      ctx.stroke();\n    }\n  }\n\n  /**\n  * @function module:SVGEditor.updateCanvas\n  * @param {boolean} center\n  * @param {module:math.XYObject} newCtr\n  * @returns {undefined}\n  */\n  const updateCanvas = editor.updateCanvas = function (center, newCtr) {\n    const zoom = svgCanvas.getZoom();\n    const wArea = workarea;\n    const cnvs = $('#svgcanvas');\n\n    let w = workarea.width(), h = workarea.height();\n    const wOrig = w, hOrig = h;\n    const oldCtr = {\n      x: wArea[0].scrollLeft + wOrig / 2,\n      y: wArea[0].scrollTop + hOrig / 2\n    };\n    const multi = curConfig.canvas_expansion;\n    w = Math.max(wOrig, svgCanvas.contentW * zoom * multi);\n    h = Math.max(hOrig, svgCanvas.contentH * zoom * multi);\n\n    if (w === wOrig && h === hOrig) {\n      workarea.css('overflow', 'hidden');\n    } else {\n      workarea.css('overflow', 'scroll');\n    }\n\n    const oldCanY = cnvs.height() / 2;\n    const oldCanX = cnvs.width() / 2;\n    cnvs.width(w).height(h);\n    const newCanY = h / 2;\n    const newCanX = w / 2;\n    const offset = svgCanvas.updateCanvas(w, h);\n\n    const ratio = newCanX / oldCanX;\n\n    const scrollX = w / 2 - wOrig / 2;\n    const scrollY = h / 2 - hOrig / 2;\n\n    if (!newCtr) {\n      const oldDistX = oldCtr.x - oldCanX;\n      const newX = newCanX + oldDistX * ratio;\n\n      const oldDistY = oldCtr.y - oldCanY;\n      const newY = newCanY + oldDistY * ratio;\n\n      newCtr = {\n        x: newX,\n        y: newY\n      };\n    } else {\n      newCtr.x += offset.x;\n      newCtr.y += offset.y;\n    }\n\n    if (center) {\n      // Go to top-left for larger documents\n      if (svgCanvas.contentW > wArea.width()) {\n        // Top-left\n        workarea[0].scrollLeft = offset.x - 10;\n        workarea[0].scrollTop = offset.y - 10;\n      } else {\n        // Center\n        wArea[0].scrollLeft = scrollX;\n        wArea[0].scrollTop = scrollY;\n      }\n    } else {\n      wArea[0].scrollLeft = newCtr.x - wOrig / 2;\n      wArea[0].scrollTop = newCtr.y - hOrig / 2;\n    }\n    if (curConfig.showRulers) {\n      updateRulers(cnvs, zoom);\n      workarea.scroll();\n    }\n    if (urldata.storagePrompt !== true && !editor.storagePromptClosed) {\n      $('#dialog_box').hide();\n    }\n  };\n\n  /**\n   * @fires module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate\n   * @returns {undefined}\n   */\n  const updateToolButtonState = function () {\n    let index, button;\n    const bNoFill = (svgCanvas.getColor('fill') === 'none');\n    const bNoStroke = (svgCanvas.getColor('stroke') === 'none');\n    const buttonsNeedingStroke = ['#tool_fhpath', '#tool_line'];\n    const buttonsNeedingFillAndStroke = ['#tools_rect .tool_button', '#tools_ellipse .tool_button', '#tool_text', '#tool_path'];\n    if (bNoStroke) {\n      for (index in buttonsNeedingStroke) {\n        button = buttonsNeedingStroke[index];\n        if ($(button).hasClass('tool_button_current')) {\n          clickSelect();\n        }\n        $(button).addClass('disabled');\n      }\n    } else {\n      for (index in buttonsNeedingStroke) {\n        button = buttonsNeedingStroke[index];\n        $(button).removeClass('disabled');\n      }\n    }\n\n    if (bNoStroke && bNoFill) {\n      for (index in buttonsNeedingFillAndStroke) {\n        button = buttonsNeedingFillAndStroke[index];\n        if ($(button).hasClass('tool_button_current')) {\n          clickSelect();\n        }\n        $(button).addClass('disabled');\n      }\n    } else {\n      for (index in buttonsNeedingFillAndStroke) {\n        button = buttonsNeedingFillAndStroke[index];\n        $(button).removeClass('disabled');\n      }\n    }\n\n    svgCanvas.runExtensions('toolButtonStateUpdate', /** @type {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} */ {\n      nofill: bNoFill,\n      nostroke: bNoStroke\n    });\n\n    // Disable flyouts if all inside are disabled\n    $('.tools_flyout').each(function () {\n      const shower = $('#' + this.id + '_show');\n      let hasEnabled = false;\n      $(this).children().each(function () {\n        if (!$(this).hasClass('disabled')) {\n          hasEnabled = true;\n        }\n      });\n      shower.toggleClass('disabled', !hasEnabled);\n    });\n\n    operaRepaint();\n  };\n\n  // Updates the toolbar (colors, opacity, etc) based on the selected element\n  // This function also updates the opacity and id elements that are in the context panel\n  const updateToolbar = function () {\n    let i, len;\n    if (selectedElement != null) {\n      switch (selectedElement.tagName) {\n      case 'use':\n      case 'image':\n      case 'foreignObject':\n        break;\n      case 'g':\n      case 'a':\n        // Look for common styles\n        const childs = selectedElement.getElementsByTagName('*');\n        let gWidth = null;\n        for (i = 0, len = childs.length; i < len; i++) {\n          const swidth = childs[i].getAttribute('stroke-width');\n\n          if (i === 0) {\n            gWidth = swidth;\n          } else if (gWidth !== swidth) {\n            gWidth = null;\n          }\n        }\n\n        $('#stroke_width').val(gWidth === null ? '' : gWidth);\n\n        paintBox.fill.update(true);\n        paintBox.stroke.update(true);\n\n        break;\n      default:\n        paintBox.fill.update(true);\n        paintBox.stroke.update(true);\n\n        $('#stroke_width').val(selectedElement.getAttribute('stroke-width') || 1);\n        $('#stroke_style').val(selectedElement.getAttribute('stroke-dasharray') || 'none');\n\n        let attr = selectedElement.getAttribute('stroke-linejoin') || 'miter';\n\n        if ($('#linejoin_' + attr).length) {\n          setStrokeOpt($('#linejoin_' + attr)[0]);\n        }\n\n        attr = selectedElement.getAttribute('stroke-linecap') || 'butt';\n\n        if ($('#linecap_' + attr).length) {\n          setStrokeOpt($('#linecap_' + attr)[0]);\n        }\n      }\n    }\n\n    // All elements including image and group have opacity\n    if (selectedElement != null) {\n      const opacPerc = (selectedElement.getAttribute('opacity') || 1.0) * 100;\n      $('#group_opacity').val(opacPerc);\n      $('#opac_slider').slider('option', 'value', opacPerc);\n      $('#elem_id').val(selectedElement.id);\n      $('#elem_class').val(selectedElement.getAttribute('class'));\n    }\n\n    updateToolButtonState();\n  };\n\n  // updates the context panel tools based on the selected element\n  const updateContextPanel = function () {\n    let elem = selectedElement;\n    // If element has just been deleted, consider it null\n    if (elem != null && !elem.parentNode) { elem = null; }\n    const currentLayerName = svgCanvas.getCurrentDrawing().getCurrentLayerName();\n    const currentMode = svgCanvas.getMode();\n    const unit = curConfig.baseUnit !== 'px' ? curConfig.baseUnit : null;\n\n    const isNode = currentMode === 'pathedit'; // elem ? (elem.id && elem.id.startsWith('pathpointgrip')) : false;\n    const menuItems = $('#cmenu_canvas li');\n    $('#selected_panel, #multiselected_panel, #g_panel, #rect_panel, #circle_panel,' +\n      '#ellipse_panel, #line_panel, #text_panel, #image_panel, #container_panel,' +\n      ' #use_panel, #a_panel').hide();\n    if (elem != null) {\n      const elname = elem.nodeName;\n      // If this is a link with no transform and one child, pretend\n      // its child is selected\n      // if (elname === 'a') { // && !$(elem).attr('transform')) {\n      //   elem = elem.firstChild;\n      // }\n\n      const angle = svgCanvas.getRotationAngle(elem);\n      $('#angle').val(angle);\n\n      const blurval = svgCanvas.getBlur(elem);\n      $('#blur').val(blurval);\n      $('#blur_slider').slider('option', 'value', blurval);\n\n      if (svgCanvas.addedNew) {\n        if (elname === 'image' && svgCanvas.getMode() === 'image') {\n          // Prompt for URL if not a data URL\n          if (!svgCanvas.getHref(elem).startsWith('data:')) {\n            promptImgURL({cancelDeletes: true});\n          }\n        }\n        /* else if (elname == 'text') {\n          // TODO: Do something here for new text\n        } */\n      }\n\n      if (!isNode && currentMode !== 'pathedit') {\n        $('#selected_panel').show();\n        // Elements in this array already have coord fields\n        if (['line', 'circle', 'ellipse'].includes(elname)) {\n          $('#xy_panel').hide();\n        } else {\n          let x, y;\n\n          // Get BBox vals for g, polyline and path\n          if (['g', 'polyline', 'path'].includes(elname)) {\n            const bb = svgCanvas.getStrokedBBox([elem]);\n            if (bb) {\n              ({x, y} = bb);\n            }\n          } else {\n            x = elem.getAttribute('x');\n            y = elem.getAttribute('y');\n          }\n\n          if (unit) {\n            x = convertUnit(x);\n            y = convertUnit(y);\n          }\n\n          $('#selected_x').val(x || 0);\n          $('#selected_y').val(y || 0);\n          $('#xy_panel').show();\n        }\n\n        // Elements in this array cannot be converted to a path\n        const noPath = !['image', 'text', 'path', 'g', 'use'].includes(elname);\n        $('#tool_topath').toggle(noPath);\n        $('#tool_reorient').toggle(elname === 'path');\n        $('#tool_reorient').toggleClass('disabled', angle === 0);\n      } else {\n        const point = path.getNodePoint();\n        $('#tool_add_subpath').removeClass('push_button_pressed').addClass('tool_button');\n        $('#tool_node_delete').toggleClass('disabled', !path.canDeleteNodes);\n\n        // Show open/close button based on selected point\n        setIcon('#tool_openclose_path', path.closed_subpath ? 'open_path' : 'close_path');\n\n        if (point) {\n          const segType = $('#seg_type');\n          if (unit) {\n            point.x = convertUnit(point.x);\n            point.y = convertUnit(point.y);\n          }\n          $('#path_node_x').val(point.x);\n          $('#path_node_y').val(point.y);\n          if (point.type) {\n            segType.val(point.type).removeAttr('disabled');\n          } else {\n            segType.val(4).attr('disabled', 'disabled');\n          }\n        }\n        return;\n      }\n\n      // update contextual tools here\n      const panels = {\n        g: [],\n        a: [],\n        rect: ['rx', 'width', 'height'],\n        image: ['width', 'height'],\n        circle: ['cx', 'cy', 'r'],\n        ellipse: ['cx', 'cy', 'rx', 'ry'],\n        line: ['x1', 'y1', 'x2', 'y2'],\n        text: [],\n        use: []\n      };\n\n      const {tagName} = elem;\n\n      // if ($(elem).data('gsvg')) {\n      //   $('#g_panel').show();\n      // }\n\n      let linkHref = null;\n      if (tagName === 'a') {\n        linkHref = svgCanvas.getHref(elem);\n        $('#g_panel').show();\n      }\n\n      if (elem.parentNode.tagName === 'a') {\n        if (!$(elem).siblings().length) {\n          $('#a_panel').show();\n          linkHref = svgCanvas.getHref(elem.parentNode);\n        }\n      }\n\n      // Hide/show the make_link buttons\n      $('#tool_make_link, #tool_make_link').toggle(!linkHref);\n\n      if (linkHref) {\n        $('#link_url').val(linkHref);\n      }\n\n      if (panels[tagName]) {\n        const curPanel = panels[tagName];\n\n        $('#' + tagName + '_panel').show();\n\n        $.each(curPanel, function (i, item) {\n          let attrVal = elem.getAttribute(item);\n          if (curConfig.baseUnit !== 'px' && elem[item]) {\n            const bv = elem[item].baseVal.value;\n            attrVal = convertUnit(bv);\n          }\n          $('#' + tagName + '_' + item).val(attrVal || 0);\n        });\n\n        if (tagName === 'text') {\n          $('#text_panel').css('display', 'inline');\n          $('#tool_font_size').css('display', 'inline');\n          if (svgCanvas.getItalic()) {\n            $('#tool_italic').addClass('push_button_pressed').removeClass('tool_button');\n          } else {\n            $('#tool_italic').removeClass('push_button_pressed').addClass('tool_button');\n          }\n          if (svgCanvas.getBold()) {\n            $('#tool_bold').addClass('push_button_pressed').removeClass('tool_button');\n          } else {\n            $('#tool_bold').removeClass('push_button_pressed').addClass('tool_button');\n          }\n          $('#font_family').val(elem.getAttribute('font-family'));\n          $('#font_size').val(elem.getAttribute('font-size'));\n          $('#text').val(elem.textContent);\n          if (svgCanvas.addedNew) {\n            // Timeout needed for IE9\n            setTimeout(function () {\n              $('#text').focus().select();\n            }, 100);\n          }\n        // text\n        } else if (tagName === 'image' && svgCanvas.getMode() === 'image') {\n          setImageURL(svgCanvas.getHref(elem));\n        // image\n        } else if (tagName === 'g' || tagName === 'use') {\n          $('#container_panel').show();\n          const title = svgCanvas.getTitle();\n          const label = $('#g_title')[0];\n          label.value = title;\n          setInputWidth(label);\n          $('#g_title').prop('disabled', tagName === 'use');\n        }\n      }\n      menuItems[(tagName === 'g' ? 'en' : 'dis') + 'ableContextMenuItems']('#ungroup');\n      menuItems[((tagName === 'g' || !multiselected) ? 'dis' : 'en') + 'ableContextMenuItems']('#group');\n    // if (elem != null)\n    } else if (multiselected) {\n      $('#multiselected_panel').show();\n      menuItems\n        .enableContextMenuItems('#group')\n        .disableContextMenuItems('#ungroup');\n    } else {\n      menuItems.disableContextMenuItems('#delete,#cut,#copy,#group,#ungroup,#move_front,#move_up,#move_down,#move_back');\n    }\n\n    // update history buttons\n    $('#tool_undo').toggleClass('disabled', undoMgr.getUndoStackSize() === 0);\n    $('#tool_redo').toggleClass('disabled', undoMgr.getRedoStackSize() === 0);\n\n    svgCanvas.addedNew = false;\n\n    if ((elem && !isNode) || multiselected) {\n      // update the selected elements' layer\n      $('#selLayerNames').removeAttr('disabled').val(currentLayerName);\n\n      // Enable regular menu options\n      canvMenu.enableContextMenuItems('#delete,#cut,#copy,#move_front,#move_up,#move_down,#move_back');\n    } else {\n      $('#selLayerNames').attr('disabled', 'disabled');\n    }\n  };\n\n  const updateWireFrame = function () {\n    // Test support\n    if (supportsNonSS) { return; }\n\n    const rule = '#workarea.wireframe #svgcontent * { stroke-width: ' + 1 / svgCanvas.getZoom() + 'px; }';\n    $('#wireframe_rules').text(workarea.hasClass('wireframe') ? rule : '');\n  };\n\n  let curContext = '';\n\n  const updateTitle = function (title) {\n    title = title || svgCanvas.getDocumentTitle();\n    const newTitle = origTitle + (title ? ': ' + title : '');\n\n    // Remove title update with current context info, isn't really necessary\n    // if (curContext) {\n    //   new_title = new_title + curContext;\n    // }\n    $('title:first').text(newTitle);\n  };\n\n  // called when we've selected a different element\n  /**\n  *\n  * @param {external:Window} win\n  * @param {module:svgcanvas.SvgCanvas#event:selected} elems Array of elements that were selected\n  * @listens module:svgcanvas.SvgCanvas#event:selected\n  * @fires module:svgcanvas.SvgCanvas#event:ext-selectedChanged\n  * @returns {undefined}\n  */\n  const selectedChanged = function (win, elems) {\n    const mode = svgCanvas.getMode();\n    if (mode === 'select') {\n      setSelectMode();\n    }\n    const isNode = mode === 'pathedit';\n    // if elems[1] is present, then we have more than one element\n    selectedElement = (elems.length === 1 || elems[1] == null ? elems[0] : null);\n    multiselected = (elems.length >= 2 && elems[1] != null);\n    if (selectedElement != null) {\n      // unless we're already in always set the mode of the editor to select because\n      // upon creation of a text element the editor is switched into\n      // select mode and this event fires - we need our UI to be in sync\n\n      if (!isNode) {\n        updateToolbar();\n      }\n    } // if (elem != null)\n\n    // Deal with pathedit mode\n    togglePathEditMode(isNode, elems);\n    updateContextPanel();\n    svgCanvas.runExtensions('selectedChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} */ {\n      elems,\n      selectedElement,\n      multiselected\n    });\n  };\n\n  // Call when part of element is in process of changing, generally\n  // on mousemove actions like rotate, move, etc.\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:transition} elems\n   * @listens module:svgcanvas.SvgCanvas#event:transition\n   * @fires module:svgcanvas.SvgCanvas#event:ext-elementTransition\n   * @returns {undefined}\n   */\n  const elementTransition = function (win, elems) {\n    const mode = svgCanvas.getMode();\n    const elem = elems[0];\n\n    if (!elem) {\n      return;\n    }\n\n    multiselected = (elems.length >= 2 && elems[1] != null);\n    // Only updating fields for single elements for now\n    if (!multiselected) {\n      switch (mode) {\n      case 'rotate':\n        const ang = svgCanvas.getRotationAngle(elem);\n        $('#angle').val(ang);\n        $('#tool_reorient').toggleClass('disabled', ang === 0);\n        break;\n\n      // TODO: Update values that change on move/resize, etc\n      // case 'select':\n      // case 'resize':\n      //   break;\n      }\n    }\n    svgCanvas.runExtensions('elementTransition', /** @type {module:svgcanvas.SvgCanvas#event:ext-elementTransition} */ {\n      elems\n    });\n  };\n\n  /**\n   * Test whether an element is a layer or not.\n   * @param {SVGGElement} elem - The SVGGElement to test.\n   * @returns {boolean} True if the element is a layer\n   */\n  function isLayer (elem) {\n    return elem && elem.tagName === 'g' && Layer.CLASS_REGEX.test(elem.getAttribute('class'));\n  }\n\n  // called when any element has changed\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:changed} elems\n   * @listens module:svgcanvas.SvgCanvas#event:changed\n   * @fires module:svgcanvas.SvgCanvas#event:ext-elementChanged\n   * @returns {undefined}\n   */\n  const elementChanged = function (win, elems) {\n    const mode = svgCanvas.getMode();\n    if (mode === 'select') {\n      setSelectMode();\n    }\n\n    for (let i = 0; i < elems.length; ++i) {\n      const elem = elems[i];\n\n      const isSvgElem = (elem && elem.tagName === 'svg');\n      if (isSvgElem || isLayer(elem)) {\n        populateLayers();\n        // if the element changed was the svg, then it could be a resolution change\n        if (isSvgElem) {\n          updateCanvas();\n        }\n      // Update selectedElement if element is no longer part of the image.\n      // This occurs for the text elements in Firefox\n      } else if (elem && selectedElement && selectedElement.parentNode == null) {\n        // || elem && elem.tagName == \"path\" && !multiselected) { // This was added in r1430, but not sure why\n        selectedElement = elem;\n      }\n    }\n\n    editor.showSaveWarning = true;\n\n    // we update the contextual panel with potentially new\n    // positional/sizing information (we DON'T want to update the\n    // toolbar here as that creates an infinite loop)\n    // also this updates the history buttons\n\n    // we tell it to skip focusing the text control if the\n    // text element was previously in focus\n    updateContextPanel();\n\n    // In the event a gradient was flipped:\n    if (selectedElement && mode === 'select') {\n      paintBox.fill.update();\n      paintBox.stroke.update();\n    }\n\n    svgCanvas.runExtensions('elementChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-elementChanged} */ {\n      elems\n    });\n  };\n\n  /**\n   * @returns {undefined}\n   */\n  const zoomDone = function () {\n    updateWireFrame();\n    // updateCanvas(); // necessary?\n  };\n\n  /**\n  * @typedef {PlainObject} module:SVGEditor.BBoxObjectWithFactor (like `DOMRect`)\n  * @property {Float} x\n  * @property {Float} y\n  * @property {Float} width\n  * @property {Float} height\n  * @property {Float} [factor] Needed if width or height are 0\n  * @property {Float} [zoom]\n  * @see module:svgcanvas.SvgCanvas#event:zoomed\n  */\n\n  /**\n  * @function module:svgcanvas.SvgCanvas#zoomChanged\n  * @param {external:Window} win\n  * @param {module:svgcanvas.SvgCanvas#event:zoomed} bbox\n  * @param {boolean} autoCenter\n  * @listens module:svgcanvas.SvgCanvas#event:zoomed\n  * @returns {undefined}\n  */\n  const zoomChanged = svgCanvas.zoomChanged = function (win, bbox, autoCenter) {\n    const scrbar = 15,\n      // res = svgCanvas.getResolution(), // Currently unused\n      wArea = workarea;\n    // const canvasPos = $('#svgcanvas').position(); // Currently unused\n    const zInfo = svgCanvas.setBBoxZoom(bbox, wArea.width() - scrbar, wArea.height() - scrbar);\n    if (!zInfo) { return; }\n    const zoomlevel = zInfo.zoom,\n      bb = zInfo.bbox;\n\n    if (zoomlevel < 0.001) {\n      changeZoom({value: 0.1});\n      return;\n    }\n\n    $('#zoom').val((zoomlevel * 100).toFixed(1));\n\n    if (autoCenter) {\n      updateCanvas();\n    } else {\n      updateCanvas(false, {x: bb.x * zoomlevel + (bb.width * zoomlevel) / 2, y: bb.y * zoomlevel + (bb.height * zoomlevel) / 2});\n    }\n\n    if (svgCanvas.getMode() === 'zoom' && bb.width) {\n      // Go to select if a zoom box was drawn\n      setSelectMode();\n    }\n\n    zoomDone();\n  };\n\n  const changeZoom = function (ctl) {\n    const zoomlevel = ctl.value / 100;\n    if (zoomlevel < 0.001) {\n      ctl.value = 0.1;\n      return;\n    }\n    const zoom = svgCanvas.getZoom();\n    const wArea = workarea;\n\n    zoomChanged(window, {\n      width: 0,\n      height: 0,\n      // center pt of scroll position\n      x: (wArea[0].scrollLeft + wArea.width() / 2) / zoom,\n      y: (wArea[0].scrollTop + wArea.height() / 2) / zoom,\n      zoom: zoomlevel\n    }, true);\n  };\n\n  $('#cur_context_panel').delegate('a', 'click', function () {\n    const link = $(this);\n    if (link.attr('data-root')) {\n      svgCanvas.leaveContext();\n    } else {\n      svgCanvas.setContext(link.text());\n    }\n    svgCanvas.clearSelection();\n    return false;\n  });\n\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:contextset} context\n   * @listens module:svgcanvas.SvgCanvas#event:contextset\n   * @returns {undefined}\n   */\n  const contextChanged = function (win, context) {\n    let linkStr = '';\n    if (context) {\n      let str = '';\n      linkStr = '<a href=\"#\" data-root=\"y\">' + svgCanvas.getCurrentDrawing().getCurrentLayerName() + '</a>';\n\n      $(context).parentsUntil('#svgcontent > g').andSelf().each(function () {\n        if (this.id) {\n          str += ' > ' + this.id;\n          if (this !== context) {\n            linkStr += ' > <a href=\"#\">' + this.id + '</a>';\n          } else {\n            linkStr += ' > ' + this.id;\n          }\n        }\n      });\n\n      curContext = str;\n    } else {\n      curContext = null;\n    }\n    $('#cur_context_panel').toggle(!!context).html(linkStr);\n\n    updateTitle();\n  };\n\n  // Makes sure the current selected paint is available to work with\n  const prepPaints = function () {\n    paintBox.fill.prep();\n    paintBox.stroke.prep();\n  };\n\n  const flyoutFuncs = {};\n\n  const setFlyoutTitles = function () {\n    $('.tools_flyout').each(function () {\n      const shower = $('#' + this.id + '_show');\n      if (shower.data('isLibrary')) {\n        return;\n      }\n\n      const tooltips = $(this).children().map(function () {\n        return this.title;\n      }).get();\n      shower[0].title = tooltips.join(' / ');\n    });\n  };\n\n  const allHolders = {};\n  /**\n   * @param {Object.<string, module:SVGEditor.ToolButton>} holders Key is a selector\n   * @returns {undefined}\n   */\n  const setupFlyouts = function (holders) {\n    $.each(holders, function (holdSel, btnOpts) {\n      if (!allHolders[holdSel]) {\n        allHolders[holdSel] = [];\n      }\n      allHolders[holdSel].push(...btnOpts);\n\n      const buttons = $(holdSel).children().not('.tool_button_evt_handled');\n      const showSel = holdSel + '_show';\n      const shower = $(showSel);\n      let def = false;\n      buttons.addClass('tool_button tool_button_evt_handled')\n        .unbind('click mousedown mouseup') // may not be necessary\n        .each(function () {\n          // Get this button's options\n          const idSel = '#' + this.getAttribute('id');\n          const [i, opts] = Object.entries(btnOpts).find(([i, {sel}]) => {\n            return sel === idSel;\n          });\n\n          // Remember the function that goes with this ID\n          flyoutFuncs[opts.sel] = opts.fn;\n\n          if (opts.isDefault) { def = i; }\n\n          /**\n           * Clicking the icon in flyout should set this set's icon\n           * @param {Event} ev\n           * @returns {undefined}\n           */\n          const flyoutAction = function (ev) {\n            let options = opts;\n            // Find the currently selected tool if comes from keystroke\n            if (ev.type === 'keydown') {\n              const flyoutIsSelected = $(options.parent + '_show').hasClass('tool_button_current');\n              const currentOperation = $(options.parent + '_show').attr('data-curopt');\n              Object.entries(holders[opts.parent]).some(([i, tool]) => {\n                if (tool.sel !== currentOperation) {\n                  return;\n                }\n                if (!ev.shiftKey || !flyoutIsSelected) {\n                  options = tool;\n                } else {\n                  // If flyout is selected, allow shift key to iterate through subitems\n                  i = parseInt(i, 10);\n                  // Use `allHolders` to include both extension `includeWith` and toolbarButtons\n                  options = allHolders[opts.parent][i + 1] ||\n                    holders[opts.parent][0];\n                }\n                return true;\n              });\n            }\n            if ($(this).hasClass('disabled')) { return false; }\n            if (toolButtonClick(showSel)) {\n              options.fn();\n            }\n            let icon;\n            if (options.icon) {\n              icon = $.getSvgIcon(options.icon, true);\n            } else {\n              icon = $(options.sel).children().eq(0).clone();\n            }\n\n            icon[0].setAttribute('width', shower.width());\n            icon[0].setAttribute('height', shower.height());\n            shower.children(':not(.flyout_arrow_horiz)').remove();\n            shower.append(icon).attr('data-curopt', options.sel); // This sets the current mode\n          };\n\n          $(this).mouseup(flyoutAction);\n\n          if (opts.key) {\n            $(document).bind('keydown', opts.key[0] + ' shift+' + opts.key[0], flyoutAction);\n          }\n        });\n\n      if (def) {\n        shower.attr('data-curopt', btnOpts[def].sel);\n      } else if (!shower.attr('data-curopt')) {\n        // Set first as default\n        shower.attr('data-curopt', btnOpts[0].sel);\n      }\n\n      let timer;\n      const pos = $(showSel).position();\n\n      // Clicking the \"show\" icon should set the current mode\n      shower.mousedown(function (evt) {\n        if (shower.hasClass('disabled')) {\n          return false;\n        }\n        const holder = $(holdSel);\n        const l = pos.left + 34;\n        const w = holder.width() * -1;\n        const time = holder.data('shown_popop') ? 200 : 0;\n        timer = setTimeout(function () {\n          // Show corresponding menu\n          if (!shower.data('isLibrary')) {\n            holder.css('left', w).show().animate({\n              left: l\n            }, 150);\n          } else {\n            holder.css('left', l).show();\n          }\n          holder.data('shown_popop', true);\n        }, time);\n        evt.preventDefault();\n      }).mouseup(function (evt) {\n        clearTimeout(timer);\n        const opt = $(this).attr('data-curopt');\n        // Is library and popped up, so do nothing\n        if (shower.data('isLibrary') && $(showSel.replace('_show', '')).is(':visible')) {\n          toolButtonClick(showSel, true);\n          return;\n        }\n        if (toolButtonClick(showSel) && flyoutFuncs[opt]) {\n          flyoutFuncs[opt]();\n        }\n      });\n      // $('#tools_rect').mouseleave(function () { $('#tools_rect').fadeOut(); });\n    });\n    setFlyoutTitles();\n    setFlyoutPositions();\n  };\n\n  const makeFlyoutHolder = function (id, child) {\n    const div = $('<div>', {\n      class: 'tools_flyout',\n      id\n    }).appendTo('#svg_editor').append(child);\n\n    return div;\n  };\n\n  // TODO: Combine this with addDropDown or find other way to optimize\n  const addAltDropDown = function (elem, list, callback, opts) {\n    const button = $(elem);\n    const {dropUp} = opts;\n    list = $(list);\n    if (dropUp) {\n      $(elem).addClass('dropup');\n    }\n    list.find('li').bind('mouseup', function () {\n      if (opts.seticon) {\n        setIcon('#cur_' + button[0].id, $(this).children());\n        $(this).addClass('current').siblings().removeClass('current');\n      }\n      callback.apply(this, arguments);\n    });\n\n    let onButton = false;\n    $(window).mouseup(function (evt) {\n      if (!onButton) {\n        button.removeClass('down');\n        list.hide();\n        list.css({top: 0, left: 0});\n      }\n      onButton = false;\n    });\n\n    // const height = list.height(); // Currently unused\n    button.bind('mousedown', function () {\n      const off = button.offset();\n      if (dropUp) {\n        off.top -= list.height();\n        off.left += 8;\n      } else {\n        off.top += button.height();\n      }\n      list.offset(off);\n\n      if (!button.hasClass('down')) {\n        list.show();\n        onButton = true;\n      } else {\n        // CSS position must be reset for Webkit\n        list.hide();\n        list.css({top: 0, left: 0});\n      }\n      button.toggleClass('down');\n    }).hover(function () {\n      onButton = true;\n    }).mouseout(function () {\n      onButton = false;\n    });\n\n    if (opts.multiclick) {\n      list.mousedown(function () {\n        onButton = true;\n      });\n    }\n  };\n\n  const extsPreLang = [];\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:extension_added} ext\n   * @listens module:svgcanvas.SvgCanvas#event:extension_added\n   * @returns {Promise} Resolves to `undefined`\n   */\n  const extAdded = function (win, ext) {\n    if (!ext) {\n      return;\n    }\n    let cbCalled = false;\n    let resizeDone = false;\n\n    if (ext.langReady) {\n      if (editor.langChanged) { // We check for this since the \"lang\" pref could have been set by storage\n        const lang = $.pref('lang');\n        ext.langReady({\n          lang,\n          uiStrings,\n          importLocale: getImportLocale({defaultLang: lang, defaultName: ext.name})\n        });\n      } else {\n        extsPreLang.push(ext);\n      }\n    }\n\n    function prepResize () {\n      if (resizeTimer) {\n        clearTimeout(resizeTimer);\n        resizeTimer = null;\n      }\n      if (!resizeDone) {\n        resizeTimer = setTimeout(function () {\n          resizeDone = true;\n          setIconSize($.pref('iconsize'));\n        }, 50);\n      }\n    }\n\n    const runCallback = function () {\n      if (ext.callback && !cbCalled) {\n        cbCalled = true;\n        ext.callback.call(editor);\n      }\n    };\n\n    const btnSelects = [];\n\n    /**\n    * @typedef {PlainObject} module:SVGEditor.ContextTool\n    * @property {string} panel The ID of the existing panel to which the tool is being added. Required.\n    * @property {string} id The ID of the actual tool element. Required.\n    * @property {PlainObject.<string, external:jQuery.Function>|PlainObject.<\"change\", external:jQuery.Function>} events DOM event names keyed to associated functions. Example: `{change () { alert('Option was changed') } }`. \"change\" event is one specifically handled for the \"button-select\" type. Required.\n    * @property {string} title The tooltip text that will appear when the user hovers over the tool. Required.\n    * @property {\"tool_button\"|\"select\"|\"button-select\"|\"input\"|string} type The type of tool being added. Expected.\n    * @property {PlainObject.<string, string>} [options] List of options and their labels for select tools. Example: `{1: 'One', 2: 'Two', all: 'All' }`. Required by \"select\" tools.\n    * @property {string} [container_id] The ID to be given to the tool's container element.\n    * @property {string} [defval] Default value\n    * @property {string|Integer} [colnum] Added as part of the option list class.\n    * @property {string} [label] Label associated with the tool, visible in the UI\n    * @property {Integer} [size] Value of the \"size\" attribute of the tool input\n    * @property {module:jQuerySpinButton.SpinButtonConfig} [spindata] When added to a tool of type \"input\", this tool becomes a \"spinner\" which allows the number to be in/decreased.\n    */\n    if (ext.context_tools) {\n      $.each(ext.context_tools, function (i, tool) {\n        // Add select tool\n        const contId = tool.container_id ? (' id=\"' + tool.container_id + '\"') : '';\n\n        let panel = $('#' + tool.panel);\n        // create the panel if it doesn't exist\n        if (!panel.length) {\n          panel = $('<div>', {id: tool.panel}).appendTo('#tools_top');\n        }\n\n        let html;\n        // TODO: Allow support for other types, or adding to existing tool\n        switch (tool.type) {\n        case 'tool_button':\n          html = '<div class=\"tool_button\">' + tool.id + '</div>';\n          const div = $(html).appendTo(panel);\n          if (tool.events) {\n            $.each(tool.events, function (evt, func) {\n              $(div).bind(evt, func);\n            });\n          }\n          break;\n        case 'select':\n          html = '<label' + contId + '>' +\n            '<select id=\"' + tool.id + '\">';\n          $.each(tool.options, function (val, text) {\n            const sel = (val === tool.defval) ? ' selected' : '';\n            html += '<option value=\"' + val + '\"' + sel + '>' + text + '</option>';\n          });\n          html += '</select></label>';\n          // Creates the tool, hides & adds it, returns the select element\n          const sel = $(html).appendTo(panel).find('select');\n\n          $.each(tool.events, function (evt, func) {\n            $(sel).bind(evt, func);\n          });\n          break;\n        case 'button-select':\n          html = '<div id=\"' + tool.id + '\" class=\"dropdown toolset\" title=\"' + tool.title + '\">' +\n            '<div id=\"cur_' + tool.id + '\" class=\"icon_label\"></div><button></button></div>';\n\n          const list = $('<ul id=\"' + tool.id + '_opts\"></ul>').appendTo('#option_lists');\n\n          if (tool.colnum) {\n            list.addClass('optcols' + tool.colnum);\n          }\n\n          // Creates the tool, hides & adds it, returns the select element\n          /* const dropdown = */ $(html).appendTo(panel).children();\n\n          btnSelects.push({\n            elem: ('#' + tool.id),\n            list: ('#' + tool.id + '_opts'),\n            title: tool.title,\n            callback: tool.events.change,\n            cur: ('#cur_' + tool.id)\n          });\n\n          break;\n        case 'input':\n          html = '<label' + contId + '>' +\n            '<span id=\"' + tool.id + '_label\">' +\n            tool.label + ':</span>' +\n            '<input id=\"' + tool.id + '\" title=\"' + tool.title +\n            '\" size=\"' + (tool.size || '4') + '\" value=\"' + (tool.defval || '') + '\" type=\"text\"/></label>';\n\n          // Creates the tool, hides & adds it, returns the select element\n\n          // Add to given tool.panel\n          const inp = $(html).appendTo(panel).find('input');\n\n          if (tool.spindata) {\n            inp.SpinButton(tool.spindata);\n          }\n\n          if (tool.events) {\n            $.each(tool.events, function (evt, func) {\n              inp.bind(evt, func);\n            });\n          }\n          break;\n\n        default:\n          break;\n        }\n      });\n    }\n\n    const {svgicons} = ext;\n    if (ext.buttons) {\n      const fallbackObj = {},\n        placementObj = {},\n        holders = {};\n\n      /**\n      * @typedef {GenericArray} module:SVGEditor.KeyArray\n      * @property {string} 0 The key to bind (on `keydown`)\n      * @property {boolean} 1 Whether to `preventDefault` on the `keydown` event\n      * @property {boolean} 2 Not apparently in use (NoDisableInInput)\n      */\n      /**\n       * @typedef {string|module:SVGEditor.KeyArray} module:SVGEditor.Key\n       */\n      /**\n      * @typedef {PlainObject} module:SVGEditor.Button\n      * @property {string} id A unique identifier for this button. If SVG icons are used, this must match the ID used in the icon file. Required.\n      * @property {\"mode_flyout\"|\"mode\"|\"context\"|\"app_menu\"} type Type of button. Required.\n      * @property {string} title The tooltip text that will appear when the user hovers over the icon. Required.\n      * @property {PlainObject.<string, external:jQuery.Function>|PlainObject.<\"click\", external:jQuery.Function>} events DOM event names with associated functions. Example: `{click () { alert('Button was clicked') } }`. Click is used with `includeWith` and `type` of \"mode_flyout\" (and \"mode\"); any events may be added if `list` is not present. Expected.\n      * @property {string} panel The ID of the context panel to be included, if type is \"context\". Required only if type is \"context\".\n      * @property {string} icon The file path to the raster version of the icon image source. Required only if no `svgicons` is supplied from [ExtensionInitResponse]{@link module:svgcanvas.ExtensionInitResponse}.\n      * @property {string} [svgicon] If absent, will utilize the button \"id\"; used to set \"placement\" on the `svgIcons` call\n      * @property {string} [list] Points to the \"id\" of a `context_tools` item of type \"button-select\" into which the button will be added as a panel list item\n      * @property {Integer} [position] The numeric index for placement; defaults to last position (as of the time of extension addition) if not present. For use with {@link http://api.jquery.com/eq/}.\n      * @property {boolean} [isDefault] Whether or not the button is the default. Used with `list`.\n      * @property {PlainObject} [includeWith] Object with flyout menu data\n      * @property {boolean} [includeWith.isDefault] Indicates whether button is default in flyout list or not.\n      * @property {string} includeWith.button jQuery selector of the existing button to be joined. Example: '#tool_line'. Required if `includeWith` is used.\n      * @property {\"last\"|Integer} [includeWith.position] Position of icon in flyout list; will be added to end if not indicated. Integer is for use with {@link http://api.jquery.com/eq/}.\n      * @property {module:SVGEditor.Key} [key] The key to bind to the button\n      */\n      // Add buttons given by extension\n      $.each(ext.buttons, function (i, /** @type {module:SVGEditor.Button} */ btn) {\n        let {id} = btn;\n        let num = i;\n        // Give button a unique ID\n        while ($('#' + id).length) {\n          id = btn.id + '_' + (++num);\n        }\n\n        let icon;\n        if (!svgicons) {\n          icon = $('<img src=\"' + btn.icon + '\">');\n        } else {\n          fallbackObj[id] = btn.icon;\n          const svgicon = btn.svgicon || btn.id;\n          if (btn.type === 'app_menu') {\n            placementObj['#' + id + ' > div'] = svgicon;\n          } else {\n            placementObj['#' + id] = svgicon;\n          }\n        }\n\n        let cls, parent;\n\n        // Set button up according to its type\n        switch (btn.type) {\n        case 'mode_flyout':\n        case 'mode':\n          cls = 'tool_button';\n          parent = '#tools_left';\n          break;\n        case 'context':\n          cls = 'tool_button';\n          parent = '#' + btn.panel;\n          // create the panel if it doesn't exist\n          if (!$(parent).length) {\n            $('<div>', {id: btn.panel}).appendTo('#tools_top');\n          }\n          break;\n        case 'app_menu':\n          cls = '';\n          parent = '#main_menu ul';\n          break;\n        }\n        let flyoutHolder, showBtn, refData, refBtn;\n        const button = $((btn.list || btn.type === 'app_menu') ? '<li/>' : '<div/>')\n          .attr('id', id)\n          .attr('title', btn.title)\n          .addClass(cls);\n        if (!btn.includeWith && !btn.list) {\n          if ('position' in btn) {\n            if ($(parent).children().eq(btn.position).length) {\n              $(parent).children().eq(btn.position).before(button);\n            } else {\n              $(parent).children().last().before(button);\n            }\n          } else {\n            button.appendTo(parent);\n          }\n\n          if (btn.type === 'mode_flyout') {\n          // Add to flyout menu / make flyout menu\n            // const opts = btn.includeWith;\n            // // opts.button, default, position\n            refBtn = $(button);\n\n            flyoutHolder = refBtn.parent();\n            // Create a flyout menu if there isn't one already\n            let tlsId;\n            if (!refBtn.parent().hasClass('tools_flyout')) {\n              // Create flyout placeholder\n              tlsId = refBtn[0].id.replace('tool_', 'tools_');\n              showBtn = refBtn.clone()\n                .attr('id', tlsId + '_show')\n                .append($('<div>', {class: 'flyout_arrow_horiz'}));\n\n              refBtn.before(showBtn);\n\n              // Create a flyout div\n              flyoutHolder = makeFlyoutHolder(tlsId, refBtn);\n              flyoutHolder.data('isLibrary', true);\n              showBtn.data('isLibrary', true);\n            }\n            // refData = Actions.getButtonData(opts.button);\n\n            placementObj['#' + tlsId + '_show'] = btn.id;\n            // TODO: Find way to set the current icon using the iconloader if this is not default\n\n            // Include data for extension button as well as ref button\n            /* curH = */ holders['#' + flyoutHolder[0].id] = [{\n              sel: '#' + id,\n              fn: btn.events.click,\n              icon: btn.id,\n              // key: btn.key,\n              isDefault: true\n            }]; // , refData\n            //\n            // // {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}\n            //\n            // const pos = ('position' in opts)?opts.position:'last';\n            // const len = flyoutHolder.children().length;\n            //\n            // // Add at given position or end\n            // if (!isNaN(pos) && pos >= 0 && pos < len) {\n            //   flyoutHolder.children().eq(pos).before(button);\n            // } else {\n            //   flyoutHolder.append(button);\n            //   curH.reverse();\n            // }\n          } else if (btn.type === 'app_menu') {\n            button.append('<div>').append(btn.title);\n          }\n        } else if (btn.list) {\n          // Add button to list\n          button.addClass('push_button');\n          $('#' + btn.list + '_opts').append(button);\n          if (btn.isDefault) {\n            $('#cur_' + btn.list).append(button.children().clone());\n            const svgicon = btn.svgicon || btn.id;\n            placementObj['#cur_' + btn.list] = svgicon;\n          }\n        } else if (btn.includeWith) {\n          // Add to flyout menu / make flyout menu\n          const opts = btn.includeWith;\n          // opts.button, default, position\n          refBtn = $(opts.button);\n\n          flyoutHolder = refBtn.parent();\n          // Create a flyout menu if there isn't one already\n          let tlsId;\n          if (!refBtn.parent().hasClass('tools_flyout')) {\n            // Create flyout placeholder\n            tlsId = refBtn[0].id.replace('tool_', 'tools_');\n            showBtn = refBtn.clone()\n              .attr('id', tlsId + '_show')\n              .append($('<div>', {class: 'flyout_arrow_horiz'}));\n\n            refBtn.before(showBtn);\n            // Create a flyout div\n            flyoutHolder = makeFlyoutHolder(tlsId, refBtn);\n          }\n\n          refData = Actions.getButtonData(opts.button);\n\n          if (opts.isDefault) {\n            placementObj['#' + tlsId + '_show'] = btn.id;\n          }\n          // TODO: Find way to set the current icon using the iconloader if this is not default\n\n          // Include data for extension button as well as ref button\n          const curH = holders['#' + flyoutHolder[0].id] = [{\n            sel: '#' + id,\n            fn: btn.events.click,\n            icon: btn.id,\n            key: btn.key,\n            isDefault: Boolean(btn.includeWith && btn.includeWith.isDefault)\n          }, refData];\n\n          // {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}\n\n          const pos = ('position' in opts) ? opts.position : 'last';\n          const len = flyoutHolder.children().length;\n\n          // Add at given position or end\n          if (!isNaN(pos) && pos >= 0 && pos < len) {\n            flyoutHolder.children().eq(pos).before(button);\n          } else {\n            flyoutHolder.append(button);\n            curH.reverse();\n          }\n        }\n\n        if (!svgicons) {\n          button.append(icon);\n        }\n\n        if (!btn.list) {\n          // Add given events to button\n          $.each(btn.events, function (name, func) {\n            if (name === 'click' && btn.type === 'mode') {\n              if (btn.includeWith) {\n                button.bind(name, func);\n              } else {\n                button.bind(name, function () {\n                  if (toolButtonClick(button)) {\n                    func();\n                  }\n                });\n              }\n              if (btn.key) {\n                $(document).bind('keydown', btn.key, func);\n                if (btn.title) {\n                  button.attr('title', btn.title + ' [' + btn.key + ']');\n                }\n              }\n            } else {\n              button.bind(name, func);\n            }\n          });\n        }\n\n        setupFlyouts(holders);\n      });\n\n      $.each(btnSelects, function () {\n        addAltDropDown(this.elem, this.list, this.callback, {seticon: true});\n      });\n\n      if (svgicons) {\n        return new Promise((resolve, reject) => {\n          $.svgIcons(svgicons, {\n            w: 24, h: 24,\n            id_match: false,\n            no_img: (!isWebkit()),\n            fallback: fallbackObj,\n            placement: placementObj,\n            callback (icons) {\n              // Non-ideal hack to make the icon match the current size\n              // if (curPrefs.iconsize && curPrefs.iconsize !== 'm') {\n              if ($.pref('iconsize') !== 'm') {\n                prepResize();\n              }\n              runCallback();\n              resolve();\n            }\n          });\n        });\n      }\n    }\n    return runCallback();\n  };\n\n  const getPaint = function (color, opac, type) {\n    // update the editor's fill paint\n    const opts = {alpha: opac};\n    if (color.startsWith('url(#')) {\n      let refElem = svgCanvas.getRefElem(color);\n      if (refElem) {\n        refElem = refElem.cloneNode(true);\n      } else {\n        refElem = $('#' + type + '_color defs *')[0];\n      }\n      opts[refElem.tagName] = refElem;\n    } else if (color.startsWith('#')) {\n      opts.solidColor = color.substr(1);\n    } else {\n      opts.solidColor = 'none';\n    }\n    return new $.jGraduate.Paint(opts);\n  };\n\n  // $('#text').focus(function () { textBeingEntered = true; });\n  // $('#text').blur(function () { textBeingEntered = false; });\n\n  // bind the selected event to our function that handles updates to the UI\n  svgCanvas.bind('selected', selectedChanged);\n  svgCanvas.bind('transition', elementTransition);\n  svgCanvas.bind('changed', elementChanged);\n  svgCanvas.bind('saved', saveHandler);\n  svgCanvas.bind('exported', exportHandler);\n  svgCanvas.bind('exportedPDF', function (win, data) {\n    if (!data.output) { // Ignore Chrome\n      return;\n    }\n    const {exportWindowName} = data;\n    if (exportWindowName) {\n      exportWindow = window.open('', exportWindowName); // A hack to get the window via JSON-able name without opening a new one\n    }\n    if (!exportWindow || exportWindow.closed) {\n      $.alert(uiStrings.notification.popupWindowBlocked);\n      return;\n    }\n    exportWindow.location.href = data.output;\n  });\n  svgCanvas.bind('zoomed', zoomChanged);\n  svgCanvas.bind('zoomDone', zoomDone);\n  svgCanvas.bind(\n    'updateCanvas',\n    /**\n     * @param {external:Window} win\n     * @param {false} center\n     * @param {module:math.XYObject} newCtr\n     * @listens module:svgcanvas.SvgCanvas#event:updateCanvas\n     * @returns {undefined}\n     */\n    function (win, {center, newCtr}) {\n      updateCanvas(center, newCtr);\n    }\n  );\n  svgCanvas.bind('contextset', contextChanged);\n  svgCanvas.bind('extension_added', extAdded);\n  svgCanvas.textActions.setInputElem($('#text')[0]);\n\n  let str = '<div class=\"palette_item\" data-rgb=\"none\"></div>';\n  $.each(palette, function (i, item) {\n    str += '<div class=\"palette_item\" style=\"background-color: ' + item + ';\" data-rgb=\"' + item + '\"></div>';\n  });\n  $('#palette').append(str);\n\n  // Set up editor background functionality\n  // TODO add checkerboard as \"pattern\"\n  const colorBlocks = ['#FFF', '#888', '#000']; // ,'url(data:image/gif;base64,R0lGODlhEAAQAIAAAP%2F%2F%2F9bW1iH5BAAAAAAALAAAAAAQABAAAAIfjG%2Bgq4jM3IFLJgpswNly%2FXkcBpIiVaInlLJr9FZWAQA7)'];\n  str = '';\n  $.each(colorBlocks, function () {\n    str += '<div class=\"color_block\" style=\"background-color:' + this + ';\"></div>';\n  });\n  $('#bg_blocks').append(str);\n  const blocks = $('#bg_blocks div');\n  const curBg = 'cur_background';\n  blocks.each(function () {\n    const blk = $(this);\n    blk.click(function () {\n      blocks.removeClass(curBg);\n      $(this).addClass(curBg);\n    });\n  });\n\n  setBackground($.pref('bkgd_color'), $.pref('bkgd_url'));\n\n  $('#image_save_opts input').val([$.pref('img_save')]);\n\n  const changeRectRadius = function (ctl) {\n    svgCanvas.setRectRadius(ctl.value);\n  };\n\n  const changeFontSize = function (ctl) {\n    svgCanvas.setFontSize(ctl.value);\n  };\n\n  const changeStrokeWidth = function (ctl) {\n    let val = ctl.value;\n    if (val === 0 && selectedElement && ['line', 'polyline'].includes(selectedElement.nodeName)) {\n      val = ctl.value = 1;\n    }\n    svgCanvas.setStrokeWidth(val);\n  };\n\n  const changeRotationAngle = function (ctl) {\n    svgCanvas.setRotationAngle(ctl.value);\n    $('#tool_reorient').toggleClass('disabled', parseInt(ctl.value, 10) === 0);\n  };\n\n  const changeOpacity = function (ctl, val) {\n    if (val == null) { val = ctl.value; }\n    $('#group_opacity').val(val);\n    if (!ctl || !ctl.handle) {\n      $('#opac_slider').slider('option', 'value', val);\n    }\n    svgCanvas.setOpacity(val / 100);\n  };\n\n  const changeBlur = function (ctl, val, noUndo) {\n    if (val == null) { val = ctl.value; }\n    $('#blur').val(val);\n    let complete = false;\n    if (!ctl || !ctl.handle) {\n      $('#blur_slider').slider('option', 'value', val);\n      complete = true;\n    }\n    if (noUndo) {\n      svgCanvas.setBlurNoUndo(val);\n    } else {\n      svgCanvas.setBlur(val, complete);\n    }\n  };\n\n  $('#stroke_style').change(function () {\n    svgCanvas.setStrokeAttr('stroke-dasharray', $(this).val());\n    operaRepaint();\n  });\n\n  $('#stroke_linejoin').change(function () {\n    svgCanvas.setStrokeAttr('stroke-linejoin', $(this).val());\n    operaRepaint();\n  });\n\n  // Lose focus for select elements when changed (Allows keyboard shortcuts to work better)\n  $('select').change(function () { $(this).blur(); });\n\n  // fired when user wants to move elements to another layer\n  let promptMoveLayerOnce = false;\n  $('#selLayerNames').change(function () {\n    const destLayer = this.options[this.selectedIndex].value;\n    const confirmStr = uiStrings.notification.QmoveElemsToLayer.replace('%s', destLayer);\n    const moveToLayer = function (ok) {\n      if (!ok) { return; }\n      promptMoveLayerOnce = true;\n      svgCanvas.moveSelectedToLayer(destLayer);\n      svgCanvas.clearSelection();\n      populateLayers();\n    };\n    if (destLayer) {\n      if (promptMoveLayerOnce) {\n        moveToLayer(true);\n      } else {\n        $.confirm(confirmStr, moveToLayer);\n      }\n    }\n  });\n\n  $('#font_family').change(function () {\n    svgCanvas.setFontFamily(this.value);\n  });\n\n  $('#seg_type').change(function () {\n    svgCanvas.setSegType($(this).val());\n  });\n\n  $('#text').bind('keyup input', function () {\n    svgCanvas.setTextContent(this.value);\n  });\n\n  $('#image_url').change(function () {\n    setImageURL(this.value);\n  });\n\n  $('#link_url').change(function () {\n    if (this.value.length) {\n      svgCanvas.setLinkURL(this.value);\n    } else {\n      svgCanvas.removeHyperlink();\n    }\n  });\n\n  $('#g_title').change(function () {\n    svgCanvas.setGroupTitle(this.value);\n  });\n\n  $('.attr_changer').change(function () {\n    const attr = this.getAttribute('data-attr');\n    let val = this.value;\n    const valid = isValidUnit(attr, val, selectedElement);\n\n    if (!valid) {\n      $.alert(uiStrings.notification.invalidAttrValGiven);\n      this.value = selectedElement.getAttribute(attr);\n      return false;\n    }\n\n    if (attr !== 'id' && attr !== 'class') {\n      if (isNaN(val)) {\n        val = svgCanvas.convertToNum(attr, val);\n      } else if (curConfig.baseUnit !== 'px') {\n        // Convert unitless value to one with given unit\n\n        const unitData = getTypeMap();\n\n        if (selectedElement[attr] || svgCanvas.getMode() === 'pathedit' || attr === 'x' || attr === 'y') {\n          val *= unitData[curConfig.baseUnit];\n        }\n      }\n    }\n\n    // if the user is changing the id, then de-select the element first\n    // change the ID, then re-select it with the new ID\n    if (attr === 'id') {\n      const elem = selectedElement;\n      svgCanvas.clearSelection();\n      elem.id = val;\n      svgCanvas.addToSelection([elem], true);\n    } else {\n      svgCanvas.changeSelectedAttribute(attr, val);\n    }\n    this.blur();\n  });\n\n  // Prevent selection of elements when shift-clicking\n  $('#palette').mouseover(function () {\n    const inp = $('<input type=\"hidden\">');\n    $(this).append(inp);\n    inp.focus().remove();\n  });\n\n  $('.palette_item').mousedown(function (evt) {\n    // shift key or right click for stroke\n    const picker = evt.shiftKey || evt.button === 2 ? 'stroke' : 'fill';\n    let color = $(this).data('rgb');\n    let paint;\n\n    // Webkit-based browsers returned 'initial' here for no stroke\n    if (color === 'none' || color === 'transparent' || color === 'initial') {\n      color = 'none';\n      paint = new $.jGraduate.Paint();\n    } else {\n      paint = new $.jGraduate.Paint({alpha: 100, solidColor: color.substr(1)});\n    }\n\n    paintBox[picker].setPaint(paint);\n    svgCanvas.setColor(picker, color);\n\n    if (color !== 'none' && svgCanvas.getPaintOpacity(picker) !== 1) {\n      svgCanvas.setPaintOpacity(picker, 1.0);\n    }\n    updateToolButtonState();\n  }).bind('contextmenu', function (e) { e.preventDefault(); });\n\n  $('#toggle_stroke_tools').on('click', function () {\n    $('#tools_bottom').toggleClass('expanded');\n  });\n\n  (function () {\n    const wArea = workarea[0];\n\n    let lastX = null, lastY = null,\n      panning = false, keypan = false;\n\n    $('#svgcanvas').bind('mousemove mouseup', function (evt) {\n      if (panning === false) { return; }\n\n      wArea.scrollLeft -= (evt.clientX - lastX);\n      wArea.scrollTop -= (evt.clientY - lastY);\n\n      lastX = evt.clientX;\n      lastY = evt.clientY;\n\n      if (evt.type === 'mouseup') { panning = false; }\n      return false;\n    }).mousedown(function (evt) {\n      if (evt.button === 1 || keypan === true) {\n        panning = true;\n        lastX = evt.clientX;\n        lastY = evt.clientY;\n        return false;\n      }\n    });\n\n    $(window).mouseup(function () {\n      panning = false;\n    });\n\n    $(document).bind('keydown', 'space', function (evt) {\n      svgCanvas.spaceKey = keypan = true;\n      evt.preventDefault();\n    }).bind('keyup', 'space', function (evt) {\n      evt.preventDefault();\n      svgCanvas.spaceKey = keypan = false;\n    }).bind('keydown', 'shift', function (evt) {\n      if (svgCanvas.getMode() === 'zoom') {\n        workarea.css('cursor', zoomOutIcon);\n      }\n    }).bind('keyup', 'shift', function (evt) {\n      if (svgCanvas.getMode() === 'zoom') {\n        workarea.css('cursor', zoomInIcon);\n      }\n    });\n\n    /**\n    * @param {boolean} active\n    * @returns {undefined}\n    */\n    editor.setPanning = function (active) {\n      svgCanvas.spaceKey = keypan = active;\n    };\n  }());\n\n  (function () {\n    const button = $('#main_icon');\n    const overlay = $('#main_icon span');\n    const list = $('#main_menu');\n\n    let onButton = false;\n    let height = 0;\n    let jsHover = true;\n    let setClick = false;\n\n    /*\n    // Currently unused\n    const hideMenu = function () {\n      list.fadeOut(200);\n    };\n    */\n\n    $(window).mouseup(function (evt) {\n      if (!onButton) {\n        button.removeClass('buttondown');\n        // do not hide if it was the file input as that input needs to be visible\n        // for its change event to fire\n        if (evt.target.tagName !== 'INPUT') {\n          list.fadeOut(200);\n        } else if (!setClick) {\n          setClick = true;\n          $(evt.target).click(function () {\n            list.css('margin-left', '-9999px').show();\n          });\n        }\n      }\n      onButton = false;\n    }).mousedown(function (evt) {\n      // $('.contextMenu').hide();\n      const islib = $(evt.target).closest('div.tools_flyout, .contextMenu').length;\n      if (!islib) {\n        $('.tools_flyout:visible,.contextMenu').fadeOut(250);\n      }\n    });\n\n    overlay.bind('mousedown', function () {\n      if (!button.hasClass('buttondown')) {\n        // Margin must be reset in case it was changed before;\n        list.css('margin-left', 0).show();\n        if (!height) {\n          height = list.height();\n        }\n        // Using custom animation as slideDown has annoying 'bounce effect'\n        list.css('height', 0).animate({\n          height\n        }, 200);\n        onButton = true;\n      } else {\n        list.fadeOut(200);\n      }\n      button.toggleClass('buttondown buttonup');\n    }).hover(function () {\n      onButton = true;\n    }).mouseout(function () {\n      onButton = false;\n    });\n\n    const listItems = $('#main_menu li');\n\n    // Check if JS method of hovering needs to be used (Webkit bug)\n    listItems.mouseover(function () {\n      jsHover = ($(this).css('background-color') === 'rgba(0, 0, 0, 0)');\n\n      listItems.unbind('mouseover');\n      if (jsHover) {\n        listItems.mouseover(function () {\n          this.style.backgroundColor = '#FFC';\n        }).mouseout(function () {\n          this.style.backgroundColor = 'transparent';\n          return true;\n        });\n      }\n    });\n  }());\n  // Made public for UI customization.\n  // TODO: Group UI functions into a public editor.ui interface.\n  /**\n   * See {@link http://api.jquery.com/bind/#bind-eventType-eventData-handler}\n   * @callback module:SVGEditor.DropDownCallback\n   * @param {external:jQuery.Event} ev See {@link http://api.jquery.com/Types/#Event}\n   * @listens external:jQuery.Event\n   * @returns {undefined|boolean} Calls `preventDefault()` and `stopPropagation()`\n  */\n  /**\n   * @param {Element|string} elem DOM Element or selector\n   * @param {module:SVGEditor.DropDownCallback} callback Mouseup callback\n   * @param {boolean} dropUp\n   * @returns {undefined}\n  */\n  editor.addDropDown = function (elem, callback, dropUp) {\n    if (!$(elem).length) { return; } // Quit if called on non-existent element\n    const button = $(elem).find('button');\n    const list = $(elem).find('ul').attr('id', $(elem)[0].id + '-list');\n    if (dropUp) {\n      $(elem).addClass('dropup');\n    } else {\n      // Move list to place where it can overflow container\n      $('#option_lists').append(list);\n    }\n    list.find('li').bind('mouseup', callback);\n\n    let onButton = false;\n    $(window).mouseup(function (evt) {\n      if (!onButton) {\n        button.removeClass('down');\n        list.hide();\n      }\n      onButton = false;\n    });\n\n    button.bind('mousedown', function () {\n      if (!button.hasClass('down')) {\n        if (!dropUp) {\n          const pos = $(elem).position();\n          list.css({\n            top: pos.top + 24,\n            left: pos.left - 10\n          });\n        }\n        list.show();\n        onButton = true;\n      } else {\n        list.hide();\n      }\n      button.toggleClass('down');\n    }).hover(function () {\n      onButton = true;\n    }).mouseout(function () {\n      onButton = false;\n    });\n  };\n\n  editor.addDropDown('#font_family_dropdown', function () {\n    $('#font_family').val($(this).text()).change();\n  });\n\n  editor.addDropDown('#opacity_dropdown', function () {\n    if ($(this).find('div').length) { return; }\n    const perc = parseInt($(this).text().split('%')[0], 10);\n    changeOpacity(false, perc);\n  }, true);\n\n  // For slider usage, see: http://jqueryui.com/demos/slider/\n  $('#opac_slider').slider({\n    start () {\n      $('#opacity_dropdown li:not(.special)').hide();\n    },\n    stop () {\n      $('#opacity_dropdown li').show();\n      $(window).mouseup();\n    },\n    slide (evt, ui) {\n      changeOpacity(ui);\n    }\n  });\n\n  editor.addDropDown('#blur_dropdown', $.noop);\n\n  let slideStart = false;\n  $('#blur_slider').slider({\n    max: 10,\n    step: 0.1,\n    stop (evt, ui) {\n      slideStart = false;\n      changeBlur(ui);\n      $('#blur_dropdown li').show();\n      $(window).mouseup();\n    },\n    start () {\n      slideStart = true;\n    },\n    slide (evt, ui) {\n      changeBlur(ui, null, slideStart);\n    }\n  });\n\n  editor.addDropDown('#zoom_dropdown', function () {\n    const item = $(this);\n    const val = item.data('val');\n    if (val) {\n      zoomChanged(window, val);\n    } else {\n      changeZoom({value: parseFloat(item.text())});\n    }\n  }, true);\n\n  addAltDropDown('#stroke_linecap', '#linecap_opts', function () {\n    setStrokeOpt(this, true);\n  }, {dropUp: true});\n\n  addAltDropDown('#stroke_linejoin', '#linejoin_opts', function () {\n    setStrokeOpt(this, true);\n  }, {dropUp: true});\n\n  addAltDropDown('#tool_position', '#position_opts', function () {\n    const letter = this.id.replace('tool_pos', '').charAt(0);\n    svgCanvas.alignSelectedElements(letter, 'page');\n  }, {multiclick: true});\n\n  /*\n\n  When a flyout icon is selected\n    (if flyout) {\n    - Change the icon\n    - Make pressing the button run its stuff\n    }\n    - Run its stuff\n\n  When its shortcut key is pressed\n    - If not current in list, do as above\n    , else:\n    - Just run its stuff\n\n  */\n\n  // Unfocus text input when workarea is mousedowned.\n  (function () {\n    let inp;\n    const unfocus = function () {\n      $(inp).blur();\n    };\n\n    $('#svg_editor').find('button, select, input:not(#text)').focus(function () {\n      inp = this;\n      uiContext = 'toolbars';\n      workarea.mousedown(unfocus);\n    }).blur(function () {\n      uiContext = 'canvas';\n      workarea.unbind('mousedown', unfocus);\n      // Go back to selecting text if in textedit mode\n      if (svgCanvas.getMode() === 'textedit') {\n        $('#text').focus();\n      }\n    });\n  }());\n\n  const clickFHPath = function () {\n    if (toolButtonClick('#tool_fhpath')) {\n      svgCanvas.setMode('fhpath');\n    }\n  };\n\n  const clickLine = function () {\n    if (toolButtonClick('#tool_line')) {\n      svgCanvas.setMode('line');\n    }\n  };\n\n  const clickSquare = function () {\n    if (toolButtonClick('#tool_square')) {\n      svgCanvas.setMode('square');\n    }\n  };\n\n  const clickRect = function () {\n    if (toolButtonClick('#tool_rect')) {\n      svgCanvas.setMode('rect');\n    }\n  };\n\n  const clickFHRect = function () {\n    if (toolButtonClick('#tool_fhrect')) {\n      svgCanvas.setMode('fhrect');\n    }\n  };\n\n  const clickCircle = function () {\n    if (toolButtonClick('#tool_circle')) {\n      svgCanvas.setMode('circle');\n    }\n  };\n\n  const clickEllipse = function () {\n    if (toolButtonClick('#tool_ellipse')) {\n      svgCanvas.setMode('ellipse');\n    }\n  };\n\n  const clickFHEllipse = function () {\n    if (toolButtonClick('#tool_fhellipse')) {\n      svgCanvas.setMode('fhellipse');\n    }\n  };\n\n  const clickImage = function () {\n    if (toolButtonClick('#tool_image')) {\n      svgCanvas.setMode('image');\n    }\n  };\n\n  const clickZoom = function () {\n    if (toolButtonClick('#tool_zoom')) {\n      svgCanvas.setMode('zoom');\n      workarea.css('cursor', zoomInIcon);\n    }\n  };\n\n  const zoomImage = function (multiplier) {\n    const res = svgCanvas.getResolution();\n    multiplier = multiplier ? res.zoom * multiplier : 1;\n    // setResolution(res.w * multiplier, res.h * multiplier, true);\n    $('#zoom').val(multiplier * 100);\n    svgCanvas.setZoom(multiplier);\n    zoomDone();\n    updateCanvas(true);\n  };\n\n  const dblclickZoom = function () {\n    if (toolButtonClick('#tool_zoom')) {\n      zoomImage();\n      setSelectMode();\n    }\n  };\n\n  const clickText = function () {\n    if (toolButtonClick('#tool_text')) {\n      svgCanvas.setMode('text');\n    }\n  };\n\n  const clickPath = function () {\n    if (toolButtonClick('#tool_path')) {\n      svgCanvas.setMode('path');\n    }\n  };\n\n  // Delete is a contextual tool that only appears in the ribbon if\n  // an element has been selected\n  const deleteSelected = function () {\n    if (selectedElement != null || multiselected) {\n      svgCanvas.deleteSelectedElements();\n    }\n  };\n\n  const cutSelected = function () {\n    if (selectedElement != null || multiselected) {\n      svgCanvas.cutSelectedElements();\n    }\n  };\n\n  const copySelected = function () {\n    if (selectedElement != null || multiselected) {\n      svgCanvas.copySelectedElements();\n    }\n  };\n\n  const pasteInCenter = function () {\n    const zoom = svgCanvas.getZoom();\n    const x = (workarea[0].scrollLeft + workarea.width() / 2) / zoom - svgCanvas.contentW;\n    const y = (workarea[0].scrollTop + workarea.height() / 2) / zoom - svgCanvas.contentH;\n    svgCanvas.pasteElements('point', x, y);\n  };\n\n  const moveToTopSelected = function () {\n    if (selectedElement != null) {\n      svgCanvas.moveToTopSelectedElement();\n    }\n  };\n\n  const moveToBottomSelected = function () {\n    if (selectedElement != null) {\n      svgCanvas.moveToBottomSelectedElement();\n    }\n  };\n\n  const moveUpDownSelected = function (dir) {\n    if (selectedElement != null) {\n      svgCanvas.moveUpDownSelected(dir);\n    }\n  };\n\n  const convertToPath = function () {\n    if (selectedElement != null) {\n      svgCanvas.convertToPath();\n    }\n  };\n\n  const reorientPath = function () {\n    if (selectedElement != null) {\n      path.reorient();\n    }\n  };\n\n  const makeHyperlink = function () {\n    if (selectedElement != null || multiselected) {\n      $.prompt(uiStrings.notification.enterNewLinkURL, 'http://', function (url) {\n        if (url) { svgCanvas.makeHyperlink(url); }\n      });\n    }\n  };\n\n  const moveSelected = function (dx, dy) {\n    if (selectedElement != null || multiselected) {\n      if (curConfig.gridSnapping) {\n        // Use grid snap value regardless of zoom level\n        const multi = svgCanvas.getZoom() * curConfig.snappingStep;\n        dx *= multi;\n        dy *= multi;\n      }\n      svgCanvas.moveSelectedElements(dx, dy);\n    }\n  };\n\n  const linkControlPoints = function () {\n    $('#tool_node_link').toggleClass('push_button_pressed tool_button');\n    const linked = $('#tool_node_link').hasClass('push_button_pressed');\n    path.linkControlPoints(linked);\n  };\n\n  const clonePathNode = function () {\n    if (path.getNodePoint()) {\n      path.clonePathNode();\n    }\n  };\n\n  const deletePathNode = function () {\n    if (path.getNodePoint()) {\n      path.deletePathNode();\n    }\n  };\n\n  const addSubPath = function () {\n    const button = $('#tool_add_subpath');\n    const sp = !button.hasClass('push_button_pressed');\n    button.toggleClass('push_button_pressed tool_button');\n    path.addSubPath(sp);\n  };\n\n  const opencloseSubPath = function () {\n    path.opencloseSubPath();\n  };\n\n  const selectNext = function () {\n    svgCanvas.cycleElement(1);\n  };\n\n  const selectPrev = function () {\n    svgCanvas.cycleElement(0);\n  };\n\n  const rotateSelected = function (cw, step) {\n    if (selectedElement == null || multiselected) { return; }\n    if (!cw) { step *= -1; }\n    const angle = parseFloat($('#angle').val()) + step;\n    svgCanvas.setRotationAngle(angle);\n    updateContextPanel();\n  };\n\n  /**\n   * @fires module:svgcanvas.SvgCanvas#event:ext-onNewDocument\n   * @returns {undefined}\n   */\n  const clickClear = function () {\n    const [x, y] = curConfig.dimensions;\n    $.confirm(uiStrings.notification.QwantToClear, function (ok) {\n      if (!ok) { return; }\n      setSelectMode();\n      svgCanvas.clear();\n      svgCanvas.setResolution(x, y);\n      updateCanvas(true);\n      zoomImage();\n      populateLayers();\n      updateContextPanel();\n      prepPaints();\n      svgCanvas.runExtensions('onNewDocument');\n    });\n  };\n\n  const clickBold = function () {\n    svgCanvas.setBold(!svgCanvas.getBold());\n    updateContextPanel();\n    return false;\n  };\n\n  const clickItalic = function () {\n    svgCanvas.setItalic(!svgCanvas.getItalic());\n    updateContextPanel();\n    return false;\n  };\n\n  const clickSave = function () {\n    // In the future, more options can be provided here\n    const saveOpts = {\n      images: $.pref('img_save'),\n      round_digits: 6\n    };\n    svgCanvas.save(saveOpts);\n  };\n\n  let loadingURL;\n  const clickExport = function () {\n    $.select('Select an image type for export: ', [\n      // See http://kangax.github.io/jstests/toDataUrl_mime_type_test/ for a useful list of MIME types and browser support\n      // 'ICO', // Todo: Find a way to preserve transparency in SVG-Edit if not working presently and do full packaging for x-icon; then switch back to position after 'PNG'\n      'PNG',\n      'JPEG', 'BMP', 'WEBP', 'PDF'\n    ], async function (imgType) { // todo: replace hard-coded msg with uiStrings.notification.\n      if (!imgType) {\n        return;\n      }\n      // Open placeholder window (prevents popup)\n      let exportWindowName;\n      function openExportWindow () {\n        const str = uiStrings.notification.loadingImage;\n        if (curConfig.exportWindowType === 'new') {\n          editor.exportWindowCt++;\n        }\n        exportWindowName = curConfig.canvasName + editor.exportWindowCt;\n        let popHTML, popURL;\n        if (loadingURL) {\n          popURL = loadingURL;\n        } else {\n          popHTML = `<!DOCTYPE html><html>\n            <head>\n              <meta charset=\"utf-8\">\n              <title>${str}</title>\n            </head>\n            <body><h1>${str}</h1></body>\n          <html>`;\n          if (typeof URL !== 'undefined' && URL.createObjectURL) {\n            const blob = new Blob([popHTML], {type: 'text/html'});\n            popURL = URL.createObjectURL(blob);\n          } else {\n            popURL = 'data:text/html;base64;charset=utf-8,' + Utils.encode64(popHTML);\n          }\n          loadingURL = popURL;\n        }\n        exportWindow = window.open(popURL, exportWindowName);\n      }\n      const chrome = isChrome();\n      if (imgType === 'PDF') {\n        if (!customExportPDF && !chrome) {\n          openExportWindow();\n        }\n        svgCanvas.exportPDF(exportWindowName, chrome ? 'save' : undefined);\n      } else {\n        if (!customExportImage) {\n          openExportWindow();\n        }\n        const quality = parseInt($('#image-slider').val(), 10) / 100;\n        /* const results = */ await svgCanvas.rasterExport(imgType, quality, exportWindowName);\n      }\n    }, function () {\n      const sel = $(this);\n      if (sel.val() === 'JPEG' || sel.val() === 'WEBP') {\n        if (!$('#image-slider').length) {\n          $(`<div><label>${uiStrings.ui.quality}\n              <input id=\"image-slider\"\n                type=\"range\" min=\"1\" max=\"100\" value=\"92\" />\n            </label></div>`).appendTo(sel.parent());\n        }\n      } else {\n        $('#image-slider').parent().remove();\n      }\n    });\n  };\n\n  // by default, svgCanvas.open() is a no-op.\n  // it is up to an extension mechanism (opera widget, etc)\n  // to call setCustomHandlers() which will make it do something\n  const clickOpen = function () {\n    svgCanvas.open();\n  };\n\n  const clickImport = function () {\n  };\n\n  const clickUndo = function () {\n    if (undoMgr.getUndoStackSize() > 0) {\n      undoMgr.undo();\n      populateLayers();\n    }\n  };\n\n  const clickRedo = function () {\n    if (undoMgr.getRedoStackSize() > 0) {\n      undoMgr.redo();\n      populateLayers();\n    }\n  };\n\n  const clickGroup = function () {\n    // group\n    if (multiselected) {\n      svgCanvas.groupSelectedElements();\n    // ungroup\n    } else if (selectedElement) {\n      svgCanvas.ungroupSelectedElement();\n    }\n  };\n\n  const clickClone = function () {\n    svgCanvas.cloneSelectedElements(20, 20);\n  };\n\n  const clickAlign = function () {\n    const letter = this.id.replace('tool_align', '').charAt(0);\n    svgCanvas.alignSelectedElements(letter, $('#align_relative_to').val());\n  };\n\n  const clickWireframe = function () {\n    $('#tool_wireframe').toggleClass('push_button_pressed tool_button');\n    workarea.toggleClass('wireframe');\n\n    if (supportsNonSS) { return; }\n    const wfRules = $('#wireframe_rules');\n    if (!wfRules.length) {\n      /* wfRules = */ $('<style id=\"wireframe_rules\"></style>').appendTo('head');\n    } else {\n      wfRules.empty();\n    }\n\n    updateWireFrame();\n  };\n\n  $('#svg_docprops_container, #svg_prefs_container').draggable({\n    cancel: 'button,fieldset',\n    containment: 'window'\n  }).css('position', 'absolute');\n\n  let docprops = false;\n  let preferences = false;\n\n  const showDocProperties = function () {\n    if (docprops) { return; }\n    docprops = true;\n\n    // This selects the correct radio button by using the array notation\n    $('#image_save_opts input').val([$.pref('img_save')]);\n\n    // update resolution option with actual resolution\n    const res = svgCanvas.getResolution();\n    if (curConfig.baseUnit !== 'px') {\n      res.w = convertUnit(res.w) + curConfig.baseUnit;\n      res.h = convertUnit(res.h) + curConfig.baseUnit;\n    }\n\n    $('#canvas_width').val(res.w);\n    $('#canvas_height').val(res.h);\n    $('#canvas_title').val(svgCanvas.getDocumentTitle());\n\n    $('#svg_docprops').show();\n  };\n\n  const showPreferences = function () {\n    if (preferences) { return; }\n    preferences = true;\n    $('#main_menu').hide();\n\n    // Update background color with current one\n    const blocks = $('#bg_blocks div');\n    const curBg = 'cur_background';\n    const canvasBg = curPrefs.bkgd_color;\n    const url = $.pref('bkgd_url');\n    blocks.each(function () {\n      const blk = $(this);\n      const isBg = blk.css('background-color') === canvasBg;\n      blk.toggleClass(curBg, isBg);\n      if (isBg) { $('#canvas_bg_url').removeClass(curBg); }\n    });\n    if (!canvasBg) { blocks.eq(0).addClass(curBg); }\n    if (url) {\n      $('#canvas_bg_url').val(url);\n    }\n    $('#grid_snapping_on').prop('checked', curConfig.gridSnapping);\n    $('#grid_snapping_step').attr('value', curConfig.snappingStep);\n    $('#grid_color').attr('value', curConfig.gridColor);\n\n    $('#svg_prefs').show();\n  };\n\n  const hideSourceEditor = function () {\n    $('#svg_source_editor').hide();\n    editingsource = false;\n    $('#svg_source_textarea').blur();\n  };\n\n  const saveSourceEditor = function () {\n    if (!editingsource) { return; }\n\n    const saveChanges = function () {\n      svgCanvas.clearSelection();\n      hideSourceEditor();\n      zoomImage();\n      populateLayers();\n      updateTitle();\n      prepPaints();\n    };\n\n    if (!svgCanvas.setSvgString($('#svg_source_textarea').val())) {\n      $.confirm(uiStrings.notification.QerrorsRevertToSource, function (ok) {\n        if (!ok) { return false; }\n        saveChanges();\n      });\n    } else {\n      saveChanges();\n    }\n    setSelectMode();\n  };\n\n  const hideDocProperties = function () {\n    $('#svg_docprops').hide();\n    $('#canvas_width,#canvas_height').removeAttr('disabled');\n    $('#resolution')[0].selectedIndex = 0;\n    $('#image_save_opts input').val([$.pref('img_save')]);\n    docprops = false;\n  };\n\n  const hidePreferences = function () {\n    $('#svg_prefs').hide();\n    preferences = false;\n  };\n\n  const saveDocProperties = function () {\n    // set title\n    const newTitle = $('#canvas_title').val();\n    updateTitle(newTitle);\n    svgCanvas.setDocumentTitle(newTitle);\n\n    // update resolution\n    const width = $('#canvas_width'), w = width.val();\n    const height = $('#canvas_height'), h = height.val();\n\n    if (w !== 'fit' && !isValidUnit('width', w)) {\n      $.alert(uiStrings.notification.invalidAttrValGiven);\n      width.parent().addClass('error');\n      return false;\n    }\n\n    width.parent().removeClass('error');\n\n    if (h !== 'fit' && !isValidUnit('height', h)) {\n      $.alert(uiStrings.notification.invalidAttrValGiven);\n      height.parent().addClass('error');\n      return false;\n    }\n\n    height.parent().removeClass('error');\n\n    if (!svgCanvas.setResolution(w, h)) {\n      $.alert(uiStrings.notification.noContentToFitTo);\n      return false;\n    }\n\n    // Set image save option\n    $.pref('img_save', $('#image_save_opts :checked').val());\n    updateCanvas();\n    hideDocProperties();\n  };\n\n  /**\n  * Save user preferences based on current values in the UI\n  * @function module:SVGEditor.savePreferences\n  * @returns {undefined}\n  */\n  const savePreferences = editor.savePreferences = function () {\n    // Set background\n    const color = $('#bg_blocks div.cur_background').css('background-color') || '#FFF';\n    setBackground(color, $('#canvas_bg_url').val());\n\n    // set language\n    const lang = $('#lang_select').val();\n    if (lang !== $.pref('lang')) {\n      editor.putLocale(lang, goodLangs, curConfig);\n    }\n\n    // set icon size\n    setIconSize($('#iconsize').val());\n\n    // set grid setting\n    curConfig.gridSnapping = $('#grid_snapping_on')[0].checked;\n    curConfig.snappingStep = $('#grid_snapping_step').val();\n    curConfig.gridColor = $('#grid_color').val();\n    curConfig.showRulers = $('#show_rulers')[0].checked;\n\n    $('#rulers').toggle(curConfig.showRulers);\n    if (curConfig.showRulers) { updateRulers(); }\n    curConfig.baseUnit = $('#base_unit').val();\n\n    svgCanvas.setConfig(curConfig);\n\n    updateCanvas();\n    hidePreferences();\n  };\n\n  let resetScrollPos = $.noop;\n\n  const cancelOverlays = function () {\n    $('#dialog_box').hide();\n    if (!editingsource && !docprops && !preferences) {\n      if (curContext) {\n        svgCanvas.leaveContext();\n      }\n      return;\n    }\n\n    if (editingsource) {\n      if (origSource !== $('#svg_source_textarea').val()) {\n        $.confirm(uiStrings.notification.QignoreSourceChanges, function (ok) {\n          if (ok) { hideSourceEditor(); }\n        });\n      } else {\n        hideSourceEditor();\n      }\n    } else if (docprops) {\n      hideDocProperties();\n    } else if (preferences) {\n      hidePreferences();\n    }\n    resetScrollPos();\n  };\n\n  const winWh = {width: $(window).width(), height: $(window).height()};\n\n  // Fix for Issue 781: Drawing area jumps to top-left corner on window resize (IE9)\n  if (isIE()) {\n    (() => {\n      resetScrollPos = function () {\n        if (workarea[0].scrollLeft === 0 && workarea[0].scrollTop === 0) {\n          workarea[0].scrollLeft = curScrollPos.left;\n          workarea[0].scrollTop = curScrollPos.top;\n        }\n      };\n\n      curScrollPos = {\n        left: workarea[0].scrollLeft,\n        top: workarea[0].scrollTop\n      };\n\n      $(window).resize(resetScrollPos);\n      editor.ready(function () {\n        // TODO: Find better way to detect when to do this to minimize\n        // flickering effect\n        setTimeout(function () {\n          resetScrollPos();\n        }, 500);\n      });\n\n      workarea.scroll(function () {\n        curScrollPos = {\n          left: workarea[0].scrollLeft,\n          top: workarea[0].scrollTop\n        };\n      });\n    })();\n  }\n\n  $(window).resize(function (evt) {\n    $.each(winWh, function (type, val) {\n      const curval = $(window)[type]();\n      workarea[0]['scroll' + (type === 'width' ? 'Left' : 'Top')] -= (curval - val) / 2;\n      winWh[type] = curval;\n    });\n    setFlyoutPositions();\n  });\n\n  (() => {\n    workarea.scroll(function () {\n      // TODO: jQuery's scrollLeft/Top() wouldn't require a null check\n      if ($('#ruler_x').length) {\n        $('#ruler_x')[0].scrollLeft = workarea[0].scrollLeft;\n      }\n      if ($('#ruler_y').length) {\n        $('#ruler_y')[0].scrollTop = workarea[0].scrollTop;\n      }\n    });\n  })();\n\n  $('#url_notice').click(function () {\n    $.alert(this.title);\n  });\n\n  $('#change_image_url').click(promptImgURL);\n\n  // added these event handlers for all the push buttons so they\n  // behave more like buttons being pressed-in and not images\n  (function () {\n    const toolnames = ['clear', 'open', 'save', 'source', 'delete', 'delete_multi', 'paste', 'clone', 'clone_multi', 'move_top', 'move_bottom'];\n    const curClass = 'tool_button_current';\n\n    let allTools = '';\n\n    $.each(toolnames, function (i, item) {\n      allTools += (i ? ',' : '') + '#tool_' + item;\n    });\n\n    $(allTools).mousedown(function () {\n      $(this).addClass(curClass);\n    }).bind('mousedown mouseout', function () {\n      $(this).removeClass(curClass);\n    });\n\n    $('#tool_undo, #tool_redo').mousedown(function () {\n      if (!$(this).hasClass('disabled')) { $(this).addClass(curClass); }\n    }).bind('mousedown mouseout', function () {\n      $(this).removeClass(curClass);\n    });\n  }());\n\n  // switch modifier key in tooltips if mac\n  // NOTE: This code is not used yet until I can figure out how to successfully bind ctrl/meta\n  // in Opera and Chrome\n  if (isMac() && !window.opera) {\n    const shortcutButtons = ['tool_clear', 'tool_save', 'tool_source', 'tool_undo', 'tool_redo', 'tool_clone'];\n    let i = shortcutButtons.length;\n    while (i--) {\n      const button = document.getElementById(shortcutButtons[i]);\n      if (button) {\n        const {title} = button;\n        const index = title.indexOf('Ctrl+');\n        button.title = [title.substr(0, index), 'Cmd+', title.substr(index + 5)].join('');\n      }\n    }\n  }\n\n  // TODO: go back to the color boxes having white background-color and then setting\n  //  background-image to none.png (otherwise partially transparent gradients look weird)\n  const colorPicker = function (elem) {\n    const picker = elem.attr('id') === 'stroke_color' ? 'stroke' : 'fill';\n    // const opacity = (picker == 'stroke' ? $('#stroke_opacity') : $('#fill_opacity'));\n    const title = picker === 'stroke'\n      ? uiStrings.ui.pick_stroke_paint_opacity\n      : uiStrings.ui.pick_fill_paint_opacity;\n    // let wasNone = false; // Currently unused\n    const pos = elem.offset();\n    let {paint} = paintBox[picker];\n    $('#color_picker')\n      .draggable({\n        cancel: '.jGraduate_tabs, .jGraduate_colPick, .jGraduate_gradPick, .jPicker',\n        containment: 'window'\n      })\n      .css(curConfig.colorPickerCSS || {left: pos.left - 140, bottom: 40})\n      .jGraduate(\n        {\n          paint,\n          window: {pickerTitle: title},\n          images: {clientPath: curConfig.jGraduatePath},\n          newstop: 'inverse'\n        },\n        function (p) {\n          paint = new $.jGraduate.Paint(p);\n          paintBox[picker].setPaint(paint);\n          svgCanvas.setPaint(picker, paint);\n          $('#color_picker').hide();\n        },\n        function () {\n          $('#color_picker').hide();\n        }\n      );\n  };\n\n  const PaintBox = function (container, type) {\n    let paintColor, paintOpacity;\n    const cur = curConfig[type === 'fill' ? 'initFill' : 'initStroke'];\n    // set up gradients to be used for the buttons\n    const svgdocbox = new DOMParser().parseFromString(\n      `<svg xmlns=\"http://www.w3.org/2000/svg\">\n        <rect width=\"16.5\" height=\"16.5\"\n          fill=\"#${cur.color}\" opacity=\"${cur.opacity}\"/>\n        <defs><linearGradient id=\"gradbox_\"/></defs>\n      </svg>`,\n      'text/xml'\n    );\n\n    let docElem = svgdocbox.documentElement;\n    docElem = $(container)[0].appendChild(document.importNode(docElem, true));\n    docElem.setAttribute('width', 16.5);\n\n    this.rect = docElem.firstElementChild;\n    this.defs = docElem.getElementsByTagName('defs')[0];\n    this.grad = this.defs.firstElementChild;\n    this.paint = new $.jGraduate.Paint({solidColor: cur.color});\n    this.type = type;\n\n    this.setPaint = function (paint, apply) {\n      this.paint = paint;\n\n      const ptype = paint.type;\n      const opac = paint.alpha / 100;\n\n      let fillAttr = 'none';\n      switch (ptype) {\n      case 'solidColor':\n        fillAttr = (paint[ptype] !== 'none') ? '#' + paint[ptype] : paint[ptype];\n        break;\n      case 'linearGradient':\n      case 'radialGradient':\n        this.grad.remove();\n        this.grad = this.defs.appendChild(paint[ptype]);\n        const id = this.grad.id = 'gradbox_' + this.type;\n        fillAttr = 'url(#' + id + ')';\n        break;\n      }\n\n      this.rect.setAttribute('fill', fillAttr);\n      this.rect.setAttribute('opacity', opac);\n\n      if (apply) {\n        svgCanvas.setColor(this.type, paintColor, true);\n        svgCanvas.setPaintOpacity(this.type, paintOpacity, true);\n      }\n    };\n\n    this.update = function (apply) {\n      if (!selectedElement) { return; }\n\n      const {type} = this;\n      switch (selectedElement.tagName) {\n      case 'use':\n      case 'image':\n      case 'foreignObject':\n        // These elements don't have fill or stroke, so don't change\n        // the current value\n        return;\n      case 'g':\n      case 'a': {\n        const childs = selectedElement.getElementsByTagName('*');\n\n        let gPaint = null;\n        for (let i = 0, len = childs.length; i < len; i++) {\n          const elem = childs[i];\n          const p = elem.getAttribute(type);\n          if (i === 0) {\n            gPaint = p;\n          } else if (gPaint !== p) {\n            gPaint = null;\n            break;\n          }\n        }\n\n        if (gPaint === null) {\n          // No common color, don't update anything\n          paintColor = null;\n          return;\n        }\n        paintColor = gPaint;\n        paintOpacity = 1;\n        break;\n      } default:\n        paintOpacity = parseFloat(selectedElement.getAttribute(type + '-opacity'));\n        if (isNaN(paintOpacity)) {\n          paintOpacity = 1.0;\n        }\n\n        const defColor = type === 'fill' ? 'black' : 'none';\n        paintColor = selectedElement.getAttribute(type) || defColor;\n      }\n\n      if (apply) {\n        svgCanvas.setColor(type, paintColor, true);\n        svgCanvas.setPaintOpacity(type, paintOpacity, true);\n      }\n\n      paintOpacity *= 100;\n\n      const paint = getPaint(paintColor, paintOpacity, type);\n      // update the rect inside #fill_color/#stroke_color\n      this.setPaint(paint);\n    };\n\n    this.prep = function () {\n      const ptype = this.paint.type;\n\n      switch (ptype) {\n      case 'linearGradient':\n      case 'radialGradient':\n        const paint = new $.jGraduate.Paint({copy: this.paint});\n        svgCanvas.setPaint(type, paint);\n        break;\n      }\n    };\n  };\n\n  paintBox.fill = new PaintBox('#fill_color', 'fill');\n  paintBox.stroke = new PaintBox('#stroke_color', 'stroke');\n\n  $('#stroke_width').val(curConfig.initStroke.width);\n  $('#group_opacity').val(curConfig.initOpacity * 100);\n\n  // Use this SVG elem to test vectorEffect support\n  const testEl = paintBox.fill.rect.cloneNode(false);\n  testEl.setAttribute('style', 'vector-effect:non-scaling-stroke');\n  const supportsNonSS = (testEl.style.vectorEffect === 'non-scaling-stroke');\n  testEl.removeAttribute('style');\n  const svgdocbox = paintBox.fill.rect.ownerDocument;\n  // Use this to test support for blur element. Seems to work to test support in Webkit\n  const blurTest = svgdocbox.createElementNS(NS.SVG, 'feGaussianBlur');\n  if (blurTest.stdDeviationX === undefined) {\n    $('#tool_blur').hide();\n  }\n  $(blurTest).remove();\n\n  // Test for zoom icon support\n  (function () {\n    const pre = '-' + uaPrefix.toLowerCase() + '-zoom-';\n    const zoom = pre + 'in';\n    workarea.css('cursor', zoom);\n    if (workarea.css('cursor') === zoom) {\n      zoomInIcon = zoom;\n      zoomOutIcon = pre + 'out';\n    }\n    workarea.css('cursor', 'auto');\n  }());\n\n  // Test for embedImage support (use timeout to not interfere with page load)\n  setTimeout(function () {\n    svgCanvas.embedImage('images/logo.png', function (datauri) {\n      if (!datauri) {\n        // Disable option\n        $('#image_save_opts [value=embed]').attr('disabled', 'disabled');\n        $('#image_save_opts input').val(['ref']);\n        $.pref('img_save', 'ref');\n        $('#image_opt_embed').css('color', '#666').attr('title', uiStrings.notification.featNotSupported);\n      }\n    });\n  }, 1000);\n\n  $('#fill_color, #tool_fill .icon_label').click(function () {\n    colorPicker($('#fill_color'));\n    updateToolButtonState();\n  });\n\n  $('#stroke_color, #tool_stroke .icon_label').click(function () {\n    colorPicker($('#stroke_color'));\n    updateToolButtonState();\n  });\n\n  $('#group_opacityLabel').click(function () {\n    $('#opacity_dropdown button').mousedown();\n    $(window).mouseup();\n  });\n\n  $('#zoomLabel').click(function () {\n    $('#zoom_dropdown button').mousedown();\n    $(window).mouseup();\n  });\n\n  $('#tool_move_top').mousedown(function (evt) {\n    $('#tools_stacking').show();\n    evt.preventDefault();\n  });\n\n  $('.layer_button').mousedown(function () {\n    $(this).addClass('layer_buttonpressed');\n  }).mouseout(function () {\n    $(this).removeClass('layer_buttonpressed');\n  }).mouseup(function () {\n    $(this).removeClass('layer_buttonpressed');\n  });\n\n  $('.push_button').mousedown(function () {\n    if (!$(this).hasClass('disabled')) {\n      $(this).addClass('push_button_pressed').removeClass('push_button');\n    }\n  }).mouseout(function () {\n    $(this).removeClass('push_button_pressed').addClass('push_button');\n  }).mouseup(function () {\n    $(this).removeClass('push_button_pressed').addClass('push_button');\n  });\n\n  // ask for a layer name\n  $('#layer_new').click(function () {\n    let uniqName,\n      i = svgCanvas.getCurrentDrawing().getNumLayers();\n    do {\n      uniqName = uiStrings.layers.layer + ' ' + (++i);\n    } while (svgCanvas.getCurrentDrawing().hasLayer(uniqName));\n\n    $.prompt(uiStrings.notification.enterUniqueLayerName, uniqName, function (newName) {\n      if (!newName) { return; }\n      if (svgCanvas.getCurrentDrawing().hasLayer(newName)) {\n        $.alert(uiStrings.notification.dupeLayerName);\n        return;\n      }\n      svgCanvas.createLayer(newName);\n      updateContextPanel();\n      populateLayers();\n    });\n  });\n\n  function deleteLayer () {\n    if (svgCanvas.deleteCurrentLayer()) {\n      updateContextPanel();\n      populateLayers();\n      // This matches what SvgCanvas does\n      // TODO: make this behavior less brittle (svg-editor should get which\n      // layer is selected from the canvas and then select that one in the UI)\n      $('#layerlist tr.layer').removeClass('layersel');\n      $('#layerlist tr.layer:first').addClass('layersel');\n    }\n  }\n\n  function cloneLayer () {\n    const name = svgCanvas.getCurrentDrawing().getCurrentLayerName() + ' copy';\n\n    $.prompt(uiStrings.notification.enterUniqueLayerName, name, function (newName) {\n      if (!newName) { return; }\n      if (svgCanvas.getCurrentDrawing().hasLayer(newName)) {\n        $.alert(uiStrings.notification.dupeLayerName);\n        return;\n      }\n      svgCanvas.cloneLayer(newName);\n      updateContextPanel();\n      populateLayers();\n    });\n  }\n\n  function mergeLayer () {\n    if ($('#layerlist tr.layersel').index() === svgCanvas.getCurrentDrawing().getNumLayers() - 1) {\n      return;\n    }\n    svgCanvas.mergeLayer();\n    updateContextPanel();\n    populateLayers();\n  }\n\n  function moveLayer (pos) {\n    const total = svgCanvas.getCurrentDrawing().getNumLayers();\n\n    let curIndex = $('#layerlist tr.layersel').index();\n    if (curIndex > 0 || curIndex < total - 1) {\n      curIndex += pos;\n      svgCanvas.setCurrentLayerPosition(total - curIndex - 1);\n      populateLayers();\n    }\n  }\n\n  $('#layer_delete').click(deleteLayer);\n\n  $('#layer_up').click(() => {\n    moveLayer(-1);\n  });\n\n  $('#layer_down').click(() => {\n    moveLayer(1);\n  });\n\n  $('#layer_rename').click(function () {\n    // const curIndex = $('#layerlist tr.layersel').prevAll().length; // Currently unused\n    const oldName = $('#layerlist tr.layersel td.layername').text();\n    $.prompt(uiStrings.notification.enterNewLayerName, '', function (newName) {\n      if (!newName) { return; }\n      if (oldName === newName || svgCanvas.getCurrentDrawing().hasLayer(newName)) {\n        $.alert(uiStrings.notification.layerHasThatName);\n        return;\n      }\n\n      svgCanvas.renameCurrentLayer(newName);\n      populateLayers();\n    });\n  });\n\n  const SIDEPANEL_MAXWIDTH = 300;\n  const SIDEPANEL_OPENWIDTH = 150;\n  let sidedrag = -1, sidedragging = false, allowmove = false;\n\n  /**\n   * @param {Float} delta\n   * @fires module:svgcanvas.SvgCanvas#event:ext-workareaResized\n   * @returns {undefined}\n   */\n  const changeSidePanelWidth = function (delta) {\n    const rulerX = $('#ruler_x');\n    $('#sidepanels').width('+=' + delta);\n    $('#layerpanel').width('+=' + delta);\n    rulerX.css('right', parseInt(rulerX.css('right'), 10) + delta);\n    workarea.css('right', parseInt(workarea.css('right'), 10) + delta);\n    svgCanvas.runExtensions('workareaResized');\n  };\n\n  const resizeSidePanel = function (evt) {\n    if (!allowmove) { return; }\n    if (sidedrag === -1) { return; }\n    sidedragging = true;\n    let deltaX = sidedrag - evt.pageX;\n    const sideWidth = $('#sidepanels').width();\n    if (sideWidth + deltaX > SIDEPANEL_MAXWIDTH) {\n      deltaX = SIDEPANEL_MAXWIDTH - sideWidth;\n      // sideWidth = SIDEPANEL_MAXWIDTH;\n    } else if (sideWidth + deltaX < 2) {\n      deltaX = 2 - sideWidth;\n      // sideWidth = 2;\n    }\n    if (deltaX === 0) { return; }\n    sidedrag -= deltaX;\n    changeSidePanelWidth(deltaX);\n  };\n\n  /**\n   * If width is non-zero, then fully close it, otherwise fully open it\n   * @param {boolean} close Forces the side panel closed\n   * @returns {undefined}\n   */\n  const toggleSidePanel = function (close) {\n    const w = $('#sidepanels').width();\n    const deltaX = (w > 2 || close ? 2 : SIDEPANEL_OPENWIDTH) - w;\n    changeSidePanelWidth(deltaX);\n  };\n\n  $('#sidepanel_handle')\n    .mousedown(function (evt) {\n      sidedrag = evt.pageX;\n      $(window).mousemove(resizeSidePanel);\n      allowmove = false;\n      // Silly hack for Chrome, which always runs mousemove right after mousedown\n      setTimeout(function () {\n        allowmove = true;\n      }, 20);\n    })\n    .mouseup(function (evt) {\n      if (!sidedragging) { toggleSidePanel(); }\n      sidedrag = -1;\n      sidedragging = false;\n    });\n\n  $(window).mouseup(function () {\n    sidedrag = -1;\n    sidedragging = false;\n    $('#svg_editor').unbind('mousemove', resizeSidePanel);\n  });\n\n  populateLayers();\n\n  // function changeResolution (x,y) {\n  //   const {zoom} = svgCanvas.getResolution();\n  //   setResolution(x * zoom, y * zoom);\n  // }\n\n  const centerCanvas = () => {\n    // this centers the canvas vertically in the workarea (horizontal handled in CSS)\n    workarea.css('line-height', workarea.height() + 'px');\n  };\n\n  $(window).bind('load resize', centerCanvas);\n\n  function stepFontSize (elem, step) {\n    const origVal = Number(elem.value);\n    const sugVal = origVal + step;\n    const increasing = sugVal >= origVal;\n    if (step === 0) { return origVal; }\n\n    if (origVal >= 24) {\n      if (increasing) {\n        return Math.round(origVal * 1.1);\n      }\n      return Math.round(origVal / 1.1);\n    }\n    if (origVal <= 1) {\n      if (increasing) {\n        return origVal * 2;\n      }\n      return origVal / 2;\n    }\n    return sugVal;\n  }\n\n  function stepZoom (elem, step) {\n    const origVal = Number(elem.value);\n    if (origVal === 0) { return 100; }\n    const sugVal = origVal + step;\n    if (step === 0) { return origVal; }\n\n    if (origVal >= 100) {\n      return sugVal;\n    }\n    if (sugVal >= origVal) {\n      return origVal * 2;\n    }\n    return origVal / 2;\n  }\n\n  // function setResolution (w, h, center) {\n  //   updateCanvas();\n  //   // w -= 0; h -= 0;\n  //   // $('#svgcanvas').css({width: w, height: h});\n  //   // $('#canvas_width').val(w);\n  //   // $('#canvas_height').val(h);\n  //   //\n  //   // if (center) {\n  //   //   const wArea = workarea;\n  //   //   const scrollY = h/2 - wArea.height()/2;\n  //   //   const scrollX = w/2 - wArea.width()/2;\n  //   //   wArea[0].scrollTop = scrollY;\n  //   //   wArea[0].scrollLeft = scrollX;\n  //   // }\n  // }\n\n  $('#resolution').change(function () {\n    const wh = $('#canvas_width,#canvas_height');\n    if (!this.selectedIndex) {\n      if ($('#canvas_width').val() === 'fit') {\n        wh.removeAttr('disabled').val(100);\n      }\n    } else if (this.value === 'content') {\n      wh.val('fit').attr('disabled', 'disabled');\n    } else {\n      const dims = this.value.split('x');\n      $('#canvas_width').val(dims[0]);\n      $('#canvas_height').val(dims[1]);\n      wh.removeAttr('disabled');\n    }\n  });\n\n  // Prevent browser from erroneously repopulating fields\n  $('input,select').attr('autocomplete', 'off');\n\n  /**\n   * Associate all button actions as well as non-button keyboard shortcuts\n   * @namespace {PlainObject} module:SVGEditor~Actions\n   */\n  const Actions = (function () {\n    /**\n    * @typedef {PlainObject} module:SVGEditor.ToolButton\n    * @property {string} sel The CSS selector for the tool\n    * @property {external:jQuery.Function} fn A handler to be attached to the `evt`\n    * @property {string} evt The event for which the `fn` listener will be added\n    * @property {module:SVGEditor.Key} [key] [key, preventDefault, NoDisableInInput]\n    * @property {string} [parent] Selector\n    * @property {boolean} [hidekey] Whether to show key value in title\n    * @property {string} [icon] The button ID\n    * @property {boolean} isDefault For flyout holders\n    */\n    /**\n     *\n     * @name module:SVGEditor~ToolButtons\n     * @type {module:SVGEditor.ToolButton[]}\n     */\n    const toolButtons = [\n      {sel: '#tool_select', fn: clickSelect, evt: 'click', key: ['V', true]},\n      {sel: '#tool_fhpath', fn: clickFHPath, evt: 'click', key: ['Q', true]},\n      {sel: '#tool_line', fn: clickLine, evt: 'click', key: ['L', true], parent: '#tools_line', prepend: true},\n      {sel: '#tool_rect', fn: clickRect, evt: 'mouseup',\n        key: ['R', true], parent: '#tools_rect', icon: 'rect'},\n      {sel: '#tool_square', fn: clickSquare, evt: 'mouseup',\n        parent: '#tools_rect', icon: 'square'},\n      {sel: '#tool_fhrect', fn: clickFHRect, evt: 'mouseup',\n        parent: '#tools_rect', icon: 'fh_rect'},\n      {sel: '#tool_ellipse', fn: clickEllipse, evt: 'mouseup',\n        key: ['E', true], parent: '#tools_ellipse', icon: 'ellipse'},\n      {sel: '#tool_circle', fn: clickCircle, evt: 'mouseup',\n        parent: '#tools_ellipse', icon: 'circle'},\n      {sel: '#tool_fhellipse', fn: clickFHEllipse, evt: 'mouseup',\n        parent: '#tools_ellipse', icon: 'fh_ellipse'},\n      {sel: '#tool_path', fn: clickPath, evt: 'click', key: ['P', true]},\n      {sel: '#tool_text', fn: clickText, evt: 'click', key: ['T', true]},\n      {sel: '#tool_image', fn: clickImage, evt: 'mouseup'},\n      {sel: '#tool_zoom', fn: clickZoom, evt: 'mouseup', key: ['Z', true]},\n      {sel: '#tool_clear', fn: clickClear, evt: 'mouseup', key: ['N', true]},\n      {sel: '#tool_save', fn () {\n        if (editingsource) {\n          saveSourceEditor();\n        } else {\n          clickSave();\n        }\n      }, evt: 'mouseup', key: ['S', true]},\n      {sel: '#tool_export', fn: clickExport, evt: 'mouseup'},\n      {sel: '#tool_open', fn: clickOpen, evt: 'mouseup', key: ['O', true]},\n      {sel: '#tool_import', fn: clickImport, evt: 'mouseup'},\n      {sel: '#tool_source', fn: showSourceEditor, evt: 'click', key: ['U', true]},\n      {sel: '#tool_wireframe', fn: clickWireframe, evt: 'click', key: ['F', true]},\n      {sel: '#tool_source_cancel,.overlay,#tool_docprops_cancel,#tool_prefs_cancel',\n        fn: cancelOverlays, evt: 'click', key: ['esc', false, false], hidekey: true},\n      {sel: '#tool_source_save', fn: saveSourceEditor, evt: 'click'},\n      {sel: '#tool_docprops_save', fn: saveDocProperties, evt: 'click'},\n      {sel: '#tool_docprops', fn: showDocProperties, evt: 'mouseup'},\n      {sel: '#tool_prefs_save', fn: savePreferences, evt: 'click'},\n      {sel: '#tool_prefs_option', fn () { showPreferences(); return false; }, evt: 'mouseup'},\n      {sel: '#tool_delete,#tool_delete_multi', fn: deleteSelected,\n        evt: 'click', key: ['del/backspace', true]},\n      {sel: '#tool_reorient', fn: reorientPath, evt: 'click'},\n      {sel: '#tool_node_link', fn: linkControlPoints, evt: 'click'},\n      {sel: '#tool_node_clone', fn: clonePathNode, evt: 'click'},\n      {sel: '#tool_node_delete', fn: deletePathNode, evt: 'click'},\n      {sel: '#tool_openclose_path', fn: opencloseSubPath, evt: 'click'},\n      {sel: '#tool_add_subpath', fn: addSubPath, evt: 'click'},\n      {sel: '#tool_move_top', fn: moveToTopSelected, evt: 'click', key: 'ctrl+shift+]'},\n      {sel: '#tool_move_bottom', fn: moveToBottomSelected, evt: 'click', key: 'ctrl+shift+['},\n      {sel: '#tool_topath', fn: convertToPath, evt: 'click'},\n      {sel: '#tool_make_link,#tool_make_link_multi', fn: makeHyperlink, evt: 'click'},\n      {sel: '#tool_undo', fn: clickUndo, evt: 'click'},\n      {sel: '#tool_redo', fn: clickRedo, evt: 'click'},\n      {sel: '#tool_clone,#tool_clone_multi', fn: clickClone, evt: 'click', key: ['D', true]},\n      {sel: '#tool_group_elements', fn: clickGroup, evt: 'click', key: ['G', true]},\n      {sel: '#tool_ungroup', fn: clickGroup, evt: 'click'},\n      {sel: '#tool_unlink_use', fn: clickGroup, evt: 'click'},\n      {sel: '[id^=tool_align]', fn: clickAlign, evt: 'click'},\n      // these two lines are required to make Opera work properly with the flyout mechanism\n      // {sel: '#tools_rect_show', fn: clickRect, evt: 'click'},\n      // {sel: '#tools_ellipse_show', fn: clickEllipse, evt: 'click'},\n      {sel: '#tool_bold', fn: clickBold, evt: 'mousedown'},\n      {sel: '#tool_italic', fn: clickItalic, evt: 'mousedown'},\n      {sel: '#sidepanel_handle', fn: toggleSidePanel, key: ['X']},\n      {sel: '#copy_save_done', fn: cancelOverlays, evt: 'click'},\n\n      // Shortcuts not associated with buttons\n\n      {key: 'ctrl+left', fn () { rotateSelected(0, 1); }},\n      {key: 'ctrl+right', fn () { rotateSelected(1, 1); }},\n      {key: 'ctrl+shift+left', fn () { rotateSelected(0, 5); }},\n      {key: 'ctrl+shift+right', fn () { rotateSelected(1, 5); }},\n      {key: 'shift+O', fn: selectPrev},\n      {key: 'shift+P', fn: selectNext},\n      {key: [modKey + 'up', true], fn () { zoomImage(2); }},\n      {key: [modKey + 'down', true], fn () { zoomImage(0.5); }},\n      {key: [modKey + ']', true], fn () { moveUpDownSelected('Up'); }},\n      {key: [modKey + '[', true], fn () { moveUpDownSelected('Down'); }},\n      {key: ['up', true], fn () { moveSelected(0, -1); }},\n      {key: ['down', true], fn () { moveSelected(0, 1); }},\n      {key: ['left', true], fn () { moveSelected(-1, 0); }},\n      {key: ['right', true], fn () { moveSelected(1, 0); }},\n      {key: 'shift+up', fn () { moveSelected(0, -10); }},\n      {key: 'shift+down', fn () { moveSelected(0, 10); }},\n      {key: 'shift+left', fn () { moveSelected(-10, 0); }},\n      {key: 'shift+right', fn () { moveSelected(10, 0); }},\n      {key: ['alt+up', true], fn () { svgCanvas.cloneSelectedElements(0, -1); }},\n      {key: ['alt+down', true], fn () { svgCanvas.cloneSelectedElements(0, 1); }},\n      {key: ['alt+left', true], fn () { svgCanvas.cloneSelectedElements(-1, 0); }},\n      {key: ['alt+right', true], fn () { svgCanvas.cloneSelectedElements(1, 0); }},\n      {key: ['alt+shift+up', true], fn () { svgCanvas.cloneSelectedElements(0, -10); }},\n      {key: ['alt+shift+down', true], fn () { svgCanvas.cloneSelectedElements(0, 10); }},\n      {key: ['alt+shift+left', true], fn () { svgCanvas.cloneSelectedElements(-10, 0); }},\n      {key: ['alt+shift+right', true], fn () { svgCanvas.cloneSelectedElements(10, 0); }},\n      {key: 'A', fn () { svgCanvas.selectAllInCurrentLayer(); }},\n\n      // Standard shortcuts\n      {key: modKey + 'z', fn: clickUndo},\n      {key: modKey + 'shift+z', fn: clickRedo},\n      {key: modKey + 'y', fn: clickRedo},\n\n      {key: modKey + 'x', fn: cutSelected},\n      {key: modKey + 'c', fn: copySelected},\n      {key: modKey + 'v', fn: pasteInCenter}\n    ];\n\n    // Tooltips not directly associated with a single function\n    const keyAssocs = {\n      '4/Shift+4': '#tools_rect_show',\n      '5/Shift+5': '#tools_ellipse_show'\n    };\n\n    return { /** @lends module:SVGEditor~Actions */\n      /**\n       * @returns {undefined}\n       */\n      setAll () {\n        const flyouts = {};\n\n        $.each(toolButtons, function (i, opts) {\n          // Bind function to button\n          let btn;\n          if (opts.sel) {\n            btn = $(opts.sel);\n            if (!btn.length) { return true; } // Skip if markup does not exist\n            if (opts.evt) {\n              if (isTouch() && opts.evt === 'click') {\n                opts.evt = 'mousedown';\n              }\n              btn[opts.evt](opts.fn);\n            }\n\n            // Add to parent flyout menu, if able to be displayed\n            if (opts.parent && $(opts.parent + '_show').length) {\n              let fH = $(opts.parent);\n              if (!fH.length) {\n                fH = makeFlyoutHolder(opts.parent.substr(1));\n              }\n              if (opts.prepend) {\n                btn[0].style.margin = 'initial';\n              }\n              fH[opts.prepend ? 'prepend' : 'append'](btn);\n\n              if (!Array.isArray(flyouts[opts.parent])) {\n                flyouts[opts.parent] = [];\n              }\n              flyouts[opts.parent].push(opts);\n            }\n          }\n\n          // Bind function to shortcut key\n          if (opts.key) {\n            // Set shortcut based on options\n            let keyval,\n              // disInInp = true,\n              pd = false;\n            if (Array.isArray(opts.key)) {\n              keyval = opts.key[0];\n              if (opts.key.length > 1) { pd = opts.key[1]; }\n              // if (opts.key.length > 2) { disInInp = opts.key[2]; }\n            } else {\n              keyval = opts.key;\n            }\n            keyval += '';\n\n            const {fn} = opts;\n            $.each(keyval.split('/'), function (i, key) {\n              $(document).bind('keydown', key, function (e) {\n                fn();\n                if (pd) {\n                  e.preventDefault();\n                }\n                // Prevent default on ALL keys?\n                return false;\n              });\n            });\n\n            // Put shortcut in title\n            if (opts.sel && !opts.hidekey && btn.attr('title')) {\n              const newTitle = btn.attr('title').split('[')[0] + ' (' + keyval + ')';\n              keyAssocs[keyval] = opts.sel;\n              // Disregard for menu items\n              if (!btn.parents('#main_menu').length) {\n                btn.attr('title', newTitle);\n              }\n            }\n          }\n        });\n\n        // Setup flyouts\n        setupFlyouts(flyouts);\n\n        // Misc additional actions\n\n        // Make 'return' keypress trigger the change event\n        $('.attr_changer, #image_url').bind('keydown', 'return',\n          function (evt) {\n            $(this).change();\n            evt.preventDefault();\n          }\n        );\n\n        $(window).bind('keydown', 'tab', function (e) {\n          if (uiContext === 'canvas') {\n            e.preventDefault();\n            selectNext();\n          }\n        }).bind('keydown', 'shift+tab', function (e) {\n          if (uiContext === 'canvas') {\n            e.preventDefault();\n            selectPrev();\n          }\n        });\n\n        $('#tool_zoom').dblclick(dblclickZoom);\n      },\n      /**\n       * @returns {undefined}\n       */\n      setTitles () {\n        $.each(keyAssocs, function (keyval, sel) {\n          const menu = ($(sel).parents('#main_menu').length);\n\n          $(sel).each(function () {\n            let t;\n            if (menu) {\n              t = $(this).text().split(' [')[0];\n            } else {\n              t = this.title.split(' [')[0];\n            }\n            let keyStr = '';\n            // Shift+Up\n            $.each(keyval.split('/'), function (i, key) {\n              const modBits = key.split('+');\n              let mod = '';\n              if (modBits.length > 1) {\n                mod = modBits[0] + '+';\n                key = modBits[1];\n              }\n              keyStr += (i ? '/' : '') + mod + (uiStrings['key_' + key] || key);\n            });\n            if (menu) {\n              this.lastChild.textContent = t + ' [' + keyStr + ']';\n            } else {\n              this.title = t + ' [' + keyStr + ']';\n            }\n          });\n        });\n      },\n      /**\n       * @param {string} sel Selector to match\n       * @returns {module:SVGEditor.ToolButton}\n       */\n      getButtonData (sel) {\n        return Object.values(toolButtons).find((btn) => {\n          return btn.sel === sel;\n        });\n      }\n    };\n  }());\n\n  // Select given tool\n  editor.ready(function () {\n    let tool;\n    const itool = curConfig.initTool,\n      container = $('#tools_left, #svg_editor .tools_flyout'),\n      preTool = container.find('#tool_' + itool),\n      regTool = container.find('#' + itool);\n    if (preTool.length) {\n      tool = preTool;\n    } else if (regTool.length) {\n      tool = regTool;\n    } else {\n      tool = $('#tool_select');\n    }\n    tool.click().mouseup();\n\n    if (curConfig.wireframe) {\n      $('#tool_wireframe').click();\n    }\n\n    if (curConfig.showlayers) {\n      toggleSidePanel();\n    }\n\n    $('#rulers').toggle(!!curConfig.showRulers);\n\n    if (curConfig.showRulers) {\n      $('#show_rulers')[0].checked = true;\n    }\n\n    if (curConfig.baseUnit) {\n      $('#base_unit').val(curConfig.baseUnit);\n    }\n\n    if (curConfig.gridSnapping) {\n      $('#grid_snapping_on')[0].checked = true;\n    }\n\n    if (curConfig.snappingStep) {\n      $('#grid_snapping_step').val(curConfig.snappingStep);\n    }\n\n    if (curConfig.gridColor) {\n      $('#grid_color').val(curConfig.gridColor);\n    }\n  });\n\n  // init SpinButtons\n  $('#rect_rx').SpinButton({min: 0, max: 1000, stateObj, callback: changeRectRadius});\n  $('#stroke_width').SpinButton({min: 0, max: 99, smallStep: 0.1, stateObj, callback: changeStrokeWidth});\n  $('#angle').SpinButton({min: -180, max: 180, step: 5, stateObj, callback: changeRotationAngle});\n  $('#font_size').SpinButton({min: 0.001, stepfunc: stepFontSize, stateObj, callback: changeFontSize});\n  $('#group_opacity').SpinButton({min: 0, max: 100, step: 5, stateObj, callback: changeOpacity});\n  $('#blur').SpinButton({min: 0, max: 10, step: 0.1, stateObj, callback: changeBlur});\n  $('#zoom').SpinButton({min: 0.001, max: 10000, step: 50, stepfunc: stepZoom, stateObj, callback: changeZoom})\n    // Set default zoom\n    .val(svgCanvas.getZoom() * 100);\n\n  $('#workarea').contextMenu(\n    {\n      menu: 'cmenu_canvas',\n      inSpeed: 0\n    },\n    function (action, el, pos) {\n      switch (action) {\n      case 'delete':\n        deleteSelected();\n        break;\n      case 'cut':\n        cutSelected();\n        break;\n      case 'copy':\n        copySelected();\n        break;\n      case 'paste':\n        svgCanvas.pasteElements();\n        break;\n      case 'paste_in_place':\n        svgCanvas.pasteElements('in_place');\n        break;\n      case 'group':\n      case 'group_elements':\n        svgCanvas.groupSelectedElements();\n        break;\n      case 'ungroup':\n        svgCanvas.ungroupSelectedElement();\n        break;\n      case 'move_front':\n        moveToTopSelected();\n        break;\n      case 'move_up':\n        moveUpDownSelected('Up');\n        break;\n      case 'move_down':\n        moveUpDownSelected('Down');\n        break;\n      case 'move_back':\n        moveToBottomSelected();\n        break;\n      default:\n        if (hasCustomHandler(action)) {\n          getCustomHandler(action).call();\n        }\n        break;\n      }\n    }\n  );\n\n  const lmenuFunc = function (action, el, pos) {\n    switch (action) {\n    case 'dupe':\n      cloneLayer();\n      break;\n    case 'delete':\n      deleteLayer();\n      break;\n    case 'merge_down':\n      mergeLayer();\n      break;\n    case 'merge_all':\n      svgCanvas.mergeAllLayers();\n      updateContextPanel();\n      populateLayers();\n      break;\n    }\n  };\n\n  $('#layerlist').contextMenu(\n    {\n      menu: 'cmenu_layers',\n      inSpeed: 0\n    },\n    lmenuFunc\n  );\n\n  $('#layer_moreopts').contextMenu(\n    {\n      menu: 'cmenu_layers',\n      inSpeed: 0,\n      allowLeft: true\n    },\n    lmenuFunc\n  );\n\n  $('.contextMenu li').mousedown(function (ev) {\n    ev.preventDefault();\n  });\n\n  $('#cmenu_canvas li').disableContextMenu();\n  canvMenu.enableContextMenuItems('#delete,#cut,#copy');\n\n  function enableOrDisableClipboard () {\n    let svgeditClipboard;\n    try {\n      svgeditClipboard = localStorage.getItem('svgedit_clipboard');\n    } catch (err) {}\n    canvMenu[(svgeditClipboard ? 'en' : 'dis') + 'ableContextMenuItems'](\n      '#paste,#paste_in_place'\n    );\n  }\n  enableOrDisableClipboard();\n\n  window.addEventListener('storage', function (e) {\n    if (e.key !== 'svgedit_clipboard') { return; }\n\n    enableOrDisableClipboard();\n  });\n\n  window.addEventListener('beforeunload', function (e) {\n    // Suppress warning if page is empty\n    if (undoMgr.getUndoStackSize() === 0) {\n      editor.showSaveWarning = false;\n    }\n\n    // showSaveWarning is set to 'false' when the page is saved.\n    if (!curConfig.no_save_warning && editor.showSaveWarning) {\n      // Browser already asks question about closing the page\n      e.returnValue = uiStrings.notification.unsavedChanges; // Firefox needs this when beforeunload set by addEventListener (even though message is not used)\n      return uiStrings.notification.unsavedChanges;\n    }\n  }, false);\n\n  /**\n  * Expose the uiStrings\n  * @function module:SVGEditor.canvas.getUIStrings\n  * @returns {module:SVGEditor.uiStrings}\n  */\n  editor.canvas.getUIStrings = function () {\n    return uiStrings;\n  };\n\n  /**\n  * @callback module:SVGEditor.OpenPrepCallback\n  * @param {boolean} noChanges\n  * @returns {undefined}\n  */\n  /**\n  * @param {module:SVGEditor.OpenPrepCallback} func Confirmation dialog callback\n  * @returns {undefined}\n  */\n  editor.openPrep = function (func) {\n    $('#main_menu').hide();\n    if (undoMgr.getUndoStackSize() === 0) {\n      func(true);\n    } else {\n      $.confirm(uiStrings.notification.QwantToOpen, func);\n    }\n  };\n\n  function onDragEnter (e) {\n    e.stopPropagation();\n    e.preventDefault();\n    // and indicator should be displayed here, such as \"drop files here\"\n  }\n\n  function onDragOver (e) {\n    e.stopPropagation();\n    e.preventDefault();\n  }\n\n  function onDragLeave (e) {\n    e.stopPropagation();\n    e.preventDefault();\n    // hypothetical indicator should be removed here\n  }\n  // Use HTML5 File API: http://www.w3.org/TR/FileAPI/\n  // if browser has HTML5 File API support, then we will show the open menu item\n  // and provide a file input to click. When that change event fires, it will\n  // get the text contents of the file and send it to the canvas\n  if (window.FileReader) {\n    const importImage = function (e) {\n      $.process_cancel(uiStrings.notification.loadingImage);\n      e.stopPropagation();\n      e.preventDefault();\n      $('#workarea').removeAttr('style');\n      $('#main_menu').hide();\n      const file = (e.type === 'drop') ? e.dataTransfer.files[0] : this.files[0];\n      if (!file) {\n        $('#dialog_box').hide();\n        return;\n      }\n      /* if (file.type === 'application/pdf') { // Todo: Handle PDF imports\n\n      }\n      else */\n      if (file.type.includes('image')) {\n        // Detected an image\n        // svg handling\n        let reader;\n        if (file.type.includes('svg')) {\n          reader = new FileReader();\n          reader.onloadend = function (e) {\n            const newElement = svgCanvas.importSvgString(e.target.result, true);\n            svgCanvas.ungroupSelectedElement();\n            svgCanvas.ungroupSelectedElement();\n            svgCanvas.groupSelectedElements();\n            svgCanvas.alignSelectedElements('m', 'page');\n            svgCanvas.alignSelectedElements('c', 'page');\n            // highlight imported element, otherwise we get strange empty selectbox\n            svgCanvas.selectOnly([newElement]);\n            $('#dialog_box').hide();\n          };\n          reader.readAsText(file);\n        } else {\n          // bitmap handling\n          reader = new FileReader();\n          reader.onloadend = function ({target: {result}}) {\n            // let's insert the new image until we know its dimensions\n            const insertNewImage = function (width, height) {\n              const newImage = svgCanvas.addSVGElementFromJson({\n                element: 'image',\n                attr: {\n                  x: 0,\n                  y: 0,\n                  width,\n                  height,\n                  id: svgCanvas.getNextId(),\n                  style: 'pointer-events:inherit'\n                }\n              });\n              svgCanvas.setHref(newImage, result);\n              svgCanvas.selectOnly([newImage]);\n              svgCanvas.alignSelectedElements('m', 'page');\n              svgCanvas.alignSelectedElements('c', 'page');\n              updateContextPanel();\n              $('#dialog_box').hide();\n            };\n            // create dummy img so we know the default dimensions\n            let imgWidth = 100;\n            let imgHeight = 100;\n            const img = new Image();\n            img.style.opacity = 0;\n            img.onload = function () {\n              imgWidth = img.offsetWidth || img.naturalWidth || img.width;\n              imgHeight = img.offsetHeight || img.naturalHeight || img.height;\n              insertNewImage(imgWidth, imgHeight);\n            };\n            img.src = result;\n          };\n          reader.readAsDataURL(file);\n        }\n      }\n    };\n\n    workarea[0].addEventListener('dragenter', onDragEnter, false);\n    workarea[0].addEventListener('dragover', onDragOver, false);\n    workarea[0].addEventListener('dragleave', onDragLeave, false);\n    workarea[0].addEventListener('drop', importImage, false);\n\n    const open = $('<input type=\"file\">').click(function () {\n      const f = this;\n      editor.openPrep(function (ok) {\n        if (!ok) { return; }\n        svgCanvas.clear();\n        if (f.files.length === 1) {\n          $.process_cancel(uiStrings.notification.loadingImage);\n          const reader = new FileReader();\n          reader.onloadend = function (e) {\n            loadSvgString(e.target.result);\n            updateCanvas();\n          };\n          reader.readAsText(f.files[0]);\n        }\n      });\n    });\n    $('#tool_open').show().prepend(open);\n\n    const imgImport = $('<input type=\"file\">').change(importImage);\n    $('#tool_import').show().prepend(imgImport);\n  }\n\n  // $(function () {\n  updateCanvas(true);\n  // });\n\n  //  const revnums = 'svg-editor.js ($Rev$) ';\n  //  revnums += svgCanvas.getVersion();\n  //  $('#copyright')[0].setAttribute('title', revnums);\n\n  /**\n  * @function module:SVGEditor.setLang\n  * @param {string} lang The language code\n  * @param {module:locale.LocaleStrings} allStrings See {@tutorial LocaleDocs}\n  * @fires module:svgcanvas.SvgCanvas#event:ext-langReady\n  * @fires module:svgcanvas.SvgCanvas#event:ext-langChanged\n  * @returns {undefined}\n  */\n  const setLang = editor.setLang = function (lang, allStrings) {\n    editor.langChanged = true;\n    $.pref('lang', lang);\n    $('#lang_select').val(lang);\n    if (!allStrings) {\n      return;\n    }\n    $.extend(uiStrings, allStrings);\n\n    // const notif = allStrings.notification; // Currently unused\n    // $.extend will only replace the given strings\n    const oldLayerName = $('#layerlist tr.layersel td.layername').text();\n    const renameLayer = (oldLayerName === uiStrings.common.layer + ' 1');\n\n    svgCanvas.setUiStrings(allStrings);\n    Actions.setTitles();\n\n    if (renameLayer) {\n      svgCanvas.renameCurrentLayer(uiStrings.common.layer + ' 1');\n      populateLayers();\n    }\n\n    // In case extensions loaded before the locale, now we execute a callback on them\n    if (extsPreLang.length) {\n      while (extsPreLang.length) {\n        const ext = extsPreLang.shift();\n        ext.langReady({\n          lang,\n          uiStrings,\n          importLocale: getImportLocale({defaultLang: lang, defaultName: ext.name})\n        });\n      }\n    } else {\n      svgCanvas.runExtensions('langReady', /** @type {module:svgcanvas.SvgCanvas#event:ext-langReady} */ {lang, uiStrings});\n    }\n    svgCanvas.runExtensions('langChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-langChanged} */ lang);\n\n    // Update flyout tooltips\n    setFlyoutTitles();\n\n    // Copy title for certain tool elements\n    const elems = {\n      '#stroke_color': '#tool_stroke .icon_label, #tool_stroke .color_block',\n      '#fill_color': '#tool_fill label, #tool_fill .color_block',\n      '#linejoin_miter': '#cur_linejoin',\n      '#linecap_butt': '#cur_linecap'\n    };\n\n    $.each(elems, function (source, dest) {\n      $(dest).attr('title', $(source)[0].title);\n    });\n\n    // Copy alignment titles\n    $('#multiselected_panel div[id^=tool_align]').each(function () {\n      $('#tool_pos' + this.id.substr(10))[0].title = this.title;\n    });\n  };\n  localeInit(\n    /**\n    * @implements {module:locale.LocaleEditorInit}\n    */\n    {\n      /**\n      * Gets an array of results from extensions with a `addLangData` method\n      * returning an object with a `data` property set to its locales (to be\n      * merged with regular locales)\n      * @param {string} langParam\n      * @fires module:svgcanvas.SvgCanvas#event:ext-addLangData\n      * @todo Can we forego this in favor of `langReady` (or forego `langReady`)?\n      * @returns {module:locale.AddLangExtensionLocaleData[]}\n      */\n      addLangData (langParam) {\n        return svgCanvas.runExtensions(\n          'addLangData',\n          /**\n           * @function\n           * @type {module:svgcanvas.ExtensionVarBuilder}\n           * @param {string} defaultLang\n           * @param {string} defaultName\n           * @returns {module:svgcanvas.SvgCanvas#event:ext-addLangData}\n           */\n          (name) => { // We pass in a function as we don't know the extension name here when defining this `addLangData` method\n            return {\n              lang: langParam,\n              importLocale: getImportLocale({defaultLang: langParam, defaultName: name})\n            };\n          },\n          true\n        );\n      },\n      curConfig\n    }\n  );\n  // Load extensions\n  // Bit of a hack to run extensions in local Opera/IE9\n  if (document.location.protocol === 'file:') {\n    setTimeout(extAndLocaleFunc, 100);\n  } else {\n    // Returns a promise (if we wanted to fire 'extensions-loaded' event, potentially useful to hide interface as some extension locales are only available after this)\n    extAndLocaleFunc();\n  }\n};\n\n/**\n* @callback module:SVGEditor.ReadyCallback\n* @returns {undefined}\n*/\n/**\n* Queues a callback to be invoked when the editor is ready (or\n*   to be invoked immediately if it is already ready--i.e.,\n*   if `svgEditor.runCallbacks` has been run)\n* @param {module:SVGEditor.ReadyCallback} cb Callback to be queued to invoke\n* @returns {undefined}\n*/\neditor.ready = function (cb) {\n  if (!isReady) {\n    callbacks.push(cb);\n  } else {\n    cb();\n  }\n};\n\n/**\n* Invokes the callbacks previous set by `svgEditor.ready`\n* @returns {undefined}\n*/\neditor.runCallbacks = function () {\n  callbacks.forEach((cb) => {\n    cb();\n  });\n  isReady = true;\n};\n\n/**\n* @param {string} str The SVG string to load\n* @returns {undefined}\n*/\neditor.loadFromString = function (str) {\n  editor.ready(function () {\n    loadSvgString(str);\n  });\n};\n\n/**\n* Not presently in use\n* @param {PlainObject} featList\n* @returns {undefined}\n*/\neditor.disableUI = function (featList) {\n  // $(function () {\n  //   $('#tool_wireframe, #tool_image, #main_button, #tool_source, #sidepanels').remove();\n  //   $('#tools_top').css('left', 5);\n  // });\n};\n\n/**\n * @callback module:SVGEditor.URLLoadCallback\n * @param {boolean} success\n * @returns {undefined}\n */\n/**\n* @param {string} url URL from which to load an SVG string via Ajax\n* @param {PlainObject} [opts] May contain properties: `cache`, `callback`\n* @param {boolean} opts.cache\n* @param {module:SVGEditor.URLLoadCallback} opts.callback Invoked with `true` or `false` depending on success\n* @returns {undefined}\n*/\neditor.loadFromURL = function (url, opts) {\n  if (!opts) { opts = {}; }\n\n  const {cache, callback: cb} = opts;\n\n  editor.ready(function () {\n    $.ajax({\n      url,\n      dataType: 'text',\n      cache: !!cache,\n      beforeSend () {\n        $.process_cancel(uiStrings.notification.loadingImage);\n      },\n      success (str) {\n        loadSvgString(str, cb);\n      },\n      error (xhr, stat, err) {\n        if (xhr.status !== 404 && xhr.responseText) {\n          loadSvgString(xhr.responseText, cb);\n        } else {\n          $.alert(uiStrings.notification.URLloadFail + ': \\n' + err, cb);\n        }\n      },\n      complete () {\n        $('#dialog_box').hide();\n      }\n    });\n  });\n};\n\n/**\n* @param {string} str The Data URI to base64-decode (if relevant) and load\n* @returns {undefined}\n*/\neditor.loadFromDataURI = function (str) {\n  editor.ready(function () {\n    let base64 = false;\n    let pre = str.match(/^data:image\\/svg\\+xml;base64,/);\n    if (pre) {\n      base64 = true;\n    } else {\n      pre = str.match(/^data:image\\/svg\\+xml(?:;(?:utf8)?)?,/);\n    }\n    if (pre) {\n      pre = pre[0];\n    }\n    const src = str.slice(pre.length);\n    loadSvgString(base64 ? Utils.decode64(src) : decodeURIComponent(src));\n  });\n};\n\n/**\n * @param {string} name Used internally; no need for i18n.\n * @param {module:svgcanvas.ExtensionInitCallback} init Config to be invoked on this module\n * @param {module:SVGEditor~ImportLocale} importLocale Importer defaulting to pth with current extension name and locale\n * @throws {Error} If called too early\n * @returns {Promise} Resolves to `undefined`\n*/\neditor.addExtension = function (name, init, importLocale) {\n  // Note that we don't want this on editor.ready since some extensions\n  // may want to run before then (like server_opensave).\n  // $(function () {\n  if (!svgCanvas) {\n    throw new Error('Extension added too early');\n  }\n  return svgCanvas.addExtension.call(this, name, init, importLocale);\n  // });\n};\n\n// Defer injection to wait out initial menu processing. 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\ No newline at end of file
diff --git a/dist/index-umd.js b/dist/index-umd.js
index dcdd1d02..a0fe7afb 100644
--- a/dist/index-umd.js
+++ b/dist/index-umd.js
@@ -4,20 +4,220 @@
   (global.svgEditor = factory());
 }(this, (function () { 'use strict';
 
+  function _typeof(obj) {
+    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
+      _typeof = function (obj) {
+        return typeof obj;
+      };
+    } else {
+      _typeof = function (obj) {
+        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+      };
+    }
+
+    return _typeof(obj);
+  }
+
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
+
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
+        }
+
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
+      });
+    };
+  }
+
+  function _classCallCheck(instance, Constructor) {
+    if (!(instance instanceof Constructor)) {
+      throw new TypeError("Cannot call a class as a function");
+    }
+  }
+
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    return Constructor;
+  }
+
+  function _extends() {
+    _extends = Object.assign || function (target) {
+      for (var i = 1; i < arguments.length; i++) {
+        var source = arguments[i];
+
+        for (var key in source) {
+          if (Object.prototype.hasOwnProperty.call(source, key)) {
+            target[key] = source[key];
+          }
+        }
+      }
+
+      return target;
+    };
+
+    return _extends.apply(this, arguments);
+  }
+
+  function _inherits(subClass, superClass) {
+    if (typeof superClass !== "function" && superClass !== null) {
+      throw new TypeError("Super expression must either be null or a function");
+    }
+
+    subClass.prototype = Object.create(superClass && superClass.prototype, {
+      constructor: {
+        value: subClass,
+        writable: true,
+        configurable: true
+      }
+    });
+    if (superClass) _setPrototypeOf(subClass, superClass);
+  }
+
+  function _getPrototypeOf(o) {
+    _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
+      return o.__proto__ || Object.getPrototypeOf(o);
+    };
+    return _getPrototypeOf(o);
+  }
+
+  function _setPrototypeOf(o, p) {
+    _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
+      o.__proto__ = p;
+      return o;
+    };
+
+    return _setPrototypeOf(o, p);
+  }
+
+  function _assertThisInitialized(self) {
+    if (self === void 0) {
+      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+    }
+
+    return self;
+  }
+
+  function _possibleConstructorReturn(self, call) {
+    if (call && (typeof call === "object" || typeof call === "function")) {
+      return call;
+    }
+
+    return _assertThisInitialized(self);
+  }
+
+  function _slicedToArray(arr, i) {
+    return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();
+  }
+
+  function _toConsumableArray(arr) {
+    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
+  }
+
+  function _arrayWithoutHoles(arr) {
+    if (Array.isArray(arr)) {
+      for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+
+      return arr2;
+    }
+  }
+
+  function _arrayWithHoles(arr) {
+    if (Array.isArray(arr)) return arr;
+  }
+
+  function _iterableToArray(iter) {
+    if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+  }
+
+  function _iterableToArrayLimit(arr, i) {
+    var _arr = [];
+    var _n = true;
+    var _d = false;
+    var _e = undefined;
+
+    try {
+      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+        _arr.push(_s.value);
+
+        if (i && _arr.length === i) break;
+      }
+    } catch (err) {
+      _d = true;
+      _e = err;
+    } finally {
+      try {
+        if (!_n && _i["return"] != null) _i["return"]();
+      } finally {
+        if (_d) throw _e;
+      }
+    }
+
+    return _arr;
+  }
+
+  function _nonIterableSpread() {
+    throw new TypeError("Invalid attempt to spread non-iterable instance");
+  }
+
+  function _nonIterableRest() {
+    throw new TypeError("Invalid attempt to destructure non-iterable instance");
+  }
+
   // http://ross.posterous.com/2008/08/19/iphone-touch-events-in-javascript/
   function touchHandler(ev) {
     var changedTouches = ev.changedTouches,
         first = changedTouches[0];
-
-
     var type = '';
+
     switch (ev.type) {
       case 'touchstart':
-        type = 'mousedown';break;
+        type = 'mousedown';
+        break;
+
       case 'touchmove':
-        type = 'mousemove';break;
+        type = 'mousemove';
+        break;
+
       case 'touchend':
-        type = 'mouseup';break;
+        type = 'mouseup';
+        break;
+
       default:
         return;
     }
@@ -26,24 +226,29 @@
         screenY = first.screenY,
         clientX = first.clientX,
         clientY = first.clientY;
-
     var simulatedEvent = new MouseEvent(type, {
       // Event interface
       bubbles: true,
       cancelable: true,
       // UIEvent interface
       view: window,
-      detail: 1, // click count
+      detail: 1,
+      // click count
       // MouseEvent interface (customized)
-      screenX: screenX, screenY: screenY, clientX: clientX, clientY: clientY,
+      screenX: screenX,
+      screenY: screenY,
+      clientX: clientX,
+      clientY: clientY,
       // MouseEvent interface (defaults) - these could be removed
       ctrlKey: false,
       altKey: false,
       shiftKey: false,
       metaKey: false,
-      button: 0, // main button (usually left)
+      button: 0,
+      // main button (usually left)
       relatedTarget: null
     });
+
     if (changedTouches.length < 2) {
       first.target.dispatchEvent(simulatedEvent);
       ev.preventDefault();
@@ -55,151 +260,6 @@
   document.addEventListener('touchend', touchHandler, true);
   document.addEventListener('touchcancel', touchHandler, true);
 
-  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
-    return typeof obj;
-  } : function (obj) {
-    return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
-  };
-
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
-
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
-        }
-
-        return step("next");
-      });
-    };
-  };
-
-  var classCallCheck = function (instance, Constructor) {
-    if (!(instance instanceof Constructor)) {
-      throw new TypeError("Cannot call a class as a function");
-    }
-  };
-
-  var createClass = function () {
-    function defineProperties(target, props) {
-      for (var i = 0; i < props.length; i++) {
-        var descriptor = props[i];
-        descriptor.enumerable = descriptor.enumerable || false;
-        descriptor.configurable = true;
-        if ("value" in descriptor) descriptor.writable = true;
-        Object.defineProperty(target, descriptor.key, descriptor);
-      }
-    }
-
-    return function (Constructor, protoProps, staticProps) {
-      if (protoProps) defineProperties(Constructor.prototype, protoProps);
-      if (staticProps) defineProperties(Constructor, staticProps);
-      return Constructor;
-    };
-  }();
-
-  var _extends = Object.assign || function (target) {
-    for (var i = 1; i < arguments.length; i++) {
-      var source = arguments[i];
-
-      for (var key in source) {
-        if (Object.prototype.hasOwnProperty.call(source, key)) {
-          target[key] = source[key];
-        }
-      }
-    }
-
-    return target;
-  };
-
-  var inherits = function (subClass, superClass) {
-    if (typeof superClass !== "function" && superClass !== null) {
-      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
-    }
-
-    subClass.prototype = Object.create(superClass && superClass.prototype, {
-      constructor: {
-        value: subClass,
-        enumerable: false,
-        writable: true,
-        configurable: true
-      }
-    });
-    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
-  };
-
-  var possibleConstructorReturn = function (self, call) {
-    if (!self) {
-      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
-    }
-
-    return call && (typeof call === "object" || typeof call === "function") ? call : self;
-  };
-
-  var slicedToArray = function () {
-    function sliceIterator(arr, i) {
-      var _arr = [];
-      var _n = true;
-      var _d = false;
-      var _e = undefined;
-
-      try {
-        for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
-          _arr.push(_s.value);
-
-          if (i && _arr.length === i) break;
-        }
-      } catch (err) {
-        _d = true;
-        _e = err;
-      } finally {
-        try {
-          if (!_n && _i["return"]) _i["return"]();
-        } finally {
-          if (_d) throw _e;
-        }
-      }
-
-      return _arr;
-    }
-
-    return function (arr, i) {
-      if (Array.isArray(arr)) {
-        return arr;
-      } else if (Symbol.iterator in Object(arr)) {
-        return sliceIterator(arr, i);
-      } else {
-        throw new TypeError("Invalid attempt to destructure non-iterable instance");
-      }
-    };
-  }();
-
-  var toConsumableArray = function (arr) {
-    if (Array.isArray(arr)) {
-      for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
-
-      return arr2;
-    } else {
-      return Array.from(arr);
-    }
-  };
-
   /**
    * Namespaces or tools therefor
    * @module namespaces
@@ -220,16 +280,17 @@
     XLINK: 'http://www.w3.org/1999/xlink',
     XML: 'http://www.w3.org/XML/1998/namespace',
     XMLNS: 'http://www.w3.org/2000/xmlns/' // see http://www.w3.org/TR/REC-xml-names/#xmlReserved
-  };
 
+  };
   /**
   * @function module:namespaces.getReverseNS
   * @returns {string} The NS with key values switched and lowercase
   */
+
   var getReverseNS = function getReverseNS() {
     var reverseNS = {};
     Object.entries(NS).forEach(function (_ref) {
-      var _ref2 = slicedToArray(_ref, 2),
+      var _ref2 = _slicedToArray(_ref, 2),
           name = _ref2[0],
           URI = _ref2[1];
 
@@ -247,6 +308,7 @@
       SVGPathSegCurvetoCubicSmoothAbs, SVGPathSegCurvetoQuadraticRel,
       SVGPathSegCurvetoQuadraticAbs, SVGPathSegCurvetoQuadraticSmoothRel,
       SVGPathSegCurvetoQuadraticSmoothAbs, SVGPathSegArcRel, SVGPathSegArcAbs */
+
   /**
   * SVGPathSeg API polyfill
   * https://github.com/progers/pathseg
@@ -259,30 +321,31 @@
   (function () {
     if (!('SVGPathSeg' in window)) {
       // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSeg
-      var _SVGPathSeg = function () {
+      var _SVGPathSeg =
+      /*#__PURE__*/
+      function () {
         function _SVGPathSeg(type, typeAsLetter, owningPathSegList) {
-          classCallCheck(this, _SVGPathSeg);
+          _classCallCheck(this, _SVGPathSeg);
 
           this.pathSegType = type;
           this.pathSegTypeAsLetter = typeAsLetter;
           this._owningPathSegList = owningPathSegList;
-        }
-        // Notify owning PathSegList on any changes so they can be synchronized back to the path element.
+        } // Notify owning PathSegList on any changes so they can be synchronized back to the path element.
 
 
-        createClass(_SVGPathSeg, [{
-          key: '_segmentChanged',
+        _createClass(_SVGPathSeg, [{
+          key: "_segmentChanged",
           value: function _segmentChanged() {
             if (this._owningPathSegList) {
               this._owningPathSegList.segmentChanged(this);
             }
           }
         }]);
+
         return _SVGPathSeg;
       }();
 
       _SVGPathSeg.prototype.classname = 'SVGPathSeg';
-
       _SVGPathSeg.PATHSEG_UNKNOWN = 0;
       _SVGPathSeg.PATHSEG_CLOSEPATH = 1;
       _SVGPathSeg.PATHSEG_MOVETO_ABS = 2;
@@ -304,247 +367,401 @@
       _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = 18;
       _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = 19;
 
-      var _SVGPathSegClosePath = function (_SVGPathSeg2) {
-        inherits(_SVGPathSegClosePath, _SVGPathSeg2);
+      var _SVGPathSegClosePath =
+      /*#__PURE__*/
+      function (_SVGPathSeg2) {
+        _inherits(_SVGPathSegClosePath, _SVGPathSeg2);
 
         function _SVGPathSegClosePath(owningPathSegList) {
-          classCallCheck(this, _SVGPathSegClosePath);
-          return possibleConstructorReturn(this, (_SVGPathSegClosePath.__proto__ || Object.getPrototypeOf(_SVGPathSegClosePath)).call(this, _SVGPathSeg.PATHSEG_CLOSEPATH, 'z', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegClosePath);
+
+          return _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegClosePath).call(this, _SVGPathSeg.PATHSEG_CLOSEPATH, 'z', owningPathSegList));
         }
 
-        createClass(_SVGPathSegClosePath, [{
-          key: 'toString',
+        _createClass(_SVGPathSegClosePath, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegClosePath]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegClosePath(undefined);
           }
         }]);
+
         return _SVGPathSegClosePath;
       }(_SVGPathSeg);
 
-      var _SVGPathSegMovetoAbs = function (_SVGPathSeg3) {
-        inherits(_SVGPathSegMovetoAbs, _SVGPathSeg3);
+      var _SVGPathSegMovetoAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg3) {
+        _inherits(_SVGPathSegMovetoAbs, _SVGPathSeg3);
 
         function _SVGPathSegMovetoAbs(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegMovetoAbs);
+          var _this;
 
-          var _this2 = possibleConstructorReturn(this, (_SVGPathSegMovetoAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegMovetoAbs)).call(this, _SVGPathSeg.PATHSEG_MOVETO_ABS, 'M', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegMovetoAbs);
 
-          _this2._x = x;
-          _this2._y = y;
-          return _this2;
+          _this = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegMovetoAbs).call(this, _SVGPathSeg.PATHSEG_MOVETO_ABS, 'M', owningPathSegList));
+          _this._x = x;
+          _this._y = y;
+          return _this;
         }
 
-        createClass(_SVGPathSegMovetoAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegMovetoAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegMovetoAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegMovetoAbs(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegMovetoAbs;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegMovetoAbs.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
           enumerable: true
         },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
           enumerable: true
         }
       });
 
-      var _SVGPathSegMovetoRel = function (_SVGPathSeg4) {
-        inherits(_SVGPathSegMovetoRel, _SVGPathSeg4);
+      var _SVGPathSegMovetoRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg4) {
+        _inherits(_SVGPathSegMovetoRel, _SVGPathSeg4);
 
         function _SVGPathSegMovetoRel(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegMovetoRel);
+          var _this2;
 
-          var _this3 = possibleConstructorReturn(this, (_SVGPathSegMovetoRel.__proto__ || Object.getPrototypeOf(_SVGPathSegMovetoRel)).call(this, _SVGPathSeg.PATHSEG_MOVETO_REL, 'm', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegMovetoRel);
 
-          _this3._x = x;
-          _this3._y = y;
-          return _this3;
+          _this2 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegMovetoRel).call(this, _SVGPathSeg.PATHSEG_MOVETO_REL, 'm', owningPathSegList));
+          _this2._x = x;
+          _this2._y = y;
+          return _this2;
         }
 
-        createClass(_SVGPathSegMovetoRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegMovetoRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegMovetoRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegMovetoRel(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegMovetoRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegMovetoRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegLinetoAbs = function (_SVGPathSeg5) {
-        inherits(_SVGPathSegLinetoAbs, _SVGPathSeg5);
+      var _SVGPathSegLinetoAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg5) {
+        _inherits(_SVGPathSegLinetoAbs, _SVGPathSeg5);
 
         function _SVGPathSegLinetoAbs(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegLinetoAbs);
+          var _this3;
 
-          var _this4 = possibleConstructorReturn(this, (_SVGPathSegLinetoAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoAbs)).call(this, _SVGPathSeg.PATHSEG_LINETO_ABS, 'L', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoAbs);
 
-          _this4._x = x;
-          _this4._y = y;
-          return _this4;
+          _this3 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoAbs).call(this, _SVGPathSeg.PATHSEG_LINETO_ABS, 'L', owningPathSegList));
+          _this3._x = x;
+          _this3._y = y;
+          return _this3;
         }
 
-        createClass(_SVGPathSegLinetoAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoAbs(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegLinetoAbs;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegLinetoAbs.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegLinetoRel = function (_SVGPathSeg6) {
-        inherits(_SVGPathSegLinetoRel, _SVGPathSeg6);
+      var _SVGPathSegLinetoRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg6) {
+        _inherits(_SVGPathSegLinetoRel, _SVGPathSeg6);
 
         function _SVGPathSegLinetoRel(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegLinetoRel);
+          var _this4;
 
-          var _this5 = possibleConstructorReturn(this, (_SVGPathSegLinetoRel.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoRel)).call(this, _SVGPathSeg.PATHSEG_LINETO_REL, 'l', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoRel);
 
-          _this5._x = x;
-          _this5._y = y;
-          return _this5;
+          _this4 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoRel).call(this, _SVGPathSeg.PATHSEG_LINETO_REL, 'l', owningPathSegList));
+          _this4._x = x;
+          _this4._y = y;
+          return _this4;
         }
 
-        createClass(_SVGPathSegLinetoRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoRel(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegLinetoRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegLinetoRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegCurvetoCubicAbs = function (_SVGPathSeg7) {
-        inherits(_SVGPathSegCurvetoCubicAbs, _SVGPathSeg7);
+      var _SVGPathSegCurvetoCubicAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg7) {
+        _inherits(_SVGPathSegCurvetoCubicAbs, _SVGPathSeg7);
 
         function _SVGPathSegCurvetoCubicAbs(owningPathSegList, x, y, x1, y1, x2, y2) {
-          classCallCheck(this, _SVGPathSegCurvetoCubicAbs);
+          var _this5;
 
-          var _this6 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, 'C', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoCubicAbs);
 
+          _this5 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, 'C', owningPathSegList));
+          _this5._x = x;
+          _this5._y = y;
+          _this5._x1 = x1;
+          _this5._y1 = y1;
+          _this5._x2 = x2;
+          _this5._y2 = y2;
+          return _this5;
+        }
+
+        _createClass(_SVGPathSegCurvetoCubicAbs, [{
+          key: "toString",
+          value: function toString() {
+            return '[object SVGPathSegCurvetoCubicAbs]';
+          }
+        }, {
+          key: "_asPathString",
+          value: function _asPathString() {
+            return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
+          }
+        }, {
+          key: "clone",
+          value: function clone() {
+            return new _SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
+          }
+        }]);
+
+        return _SVGPathSegCurvetoCubicAbs;
+      }(_SVGPathSeg);
+
+      Object.defineProperties(_SVGPathSegCurvetoCubicAbs.prototype, {
+        x: {
+          get: function get() {
+            return this._x;
+          },
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y: {
+          get: function get() {
+            return this._y;
+          },
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        x1: {
+          get: function get() {
+            return this._x1;
+          },
+          set: function set(x1) {
+            this._x1 = x1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y1: {
+          get: function get() {
+            return this._y1;
+          },
+          set: function set(y1) {
+            this._y1 = y1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        x2: {
+          get: function get() {
+            return this._x2;
+          },
+          set: function set(x2) {
+            this._x2 = x2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y2: {
+          get: function get() {
+            return this._y2;
+          },
+          set: function set(y2) {
+            this._y2 = y2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      });
+
+      var _SVGPathSegCurvetoCubicRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg8) {
+        _inherits(_SVGPathSegCurvetoCubicRel, _SVGPathSeg8);
+
+        function _SVGPathSegCurvetoCubicRel(owningPathSegList, x, y, x1, y1, x2, y2) {
+          var _this6;
+
+          _classCallCheck(this, _SVGPathSegCurvetoCubicRel);
+
+          _this6 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, 'c', owningPathSegList));
           _this6._x = x;
           _this6._y = y;
           _this6._x1 = x1;
@@ -554,171 +771,191 @@
           return _this6;
         }
 
-        createClass(_SVGPathSegCurvetoCubicAbs, [{
-          key: 'toString',
-          value: function toString() {
-            return '[object SVGPathSegCurvetoCubicAbs]';
-          }
-        }, {
-          key: '_asPathString',
-          value: function _asPathString() {
-            return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
-          }
-        }, {
-          key: 'clone',
-          value: function clone() {
-            return new _SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
-          }
-        }]);
-        return _SVGPathSegCurvetoCubicAbs;
-      }(_SVGPathSeg);
-
-      Object.defineProperties(_SVGPathSegCurvetoCubicAbs.prototype, {
-        x: {
-          get: function get$$1() {
-            return this._x;
-          },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
-          },
-          enumerable: true },
-        y: {
-          get: function get$$1() {
-            return this._y;
-          },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true },
-        x1: {
-          get: function get$$1() {
-            return this._x1;
-          },
-          set: function set$$1(x1) {
-            this._x1 = x1;this._segmentChanged();
-          },
-          enumerable: true },
-        y1: {
-          get: function get$$1() {
-            return this._y1;
-          },
-          set: function set$$1(y1) {
-            this._y1 = y1;this._segmentChanged();
-          },
-          enumerable: true },
-        x2: {
-          get: function get$$1() {
-            return this._x2;
-          },
-          set: function set$$1(x2) {
-            this._x2 = x2;this._segmentChanged();
-          },
-          enumerable: true },
-        y2: {
-          get: function get$$1() {
-            return this._y2;
-          },
-          set: function set$$1(y2) {
-            this._y2 = y2;this._segmentChanged();
-          },
-          enumerable: true }
-      });
-
-      var _SVGPathSegCurvetoCubicRel = function (_SVGPathSeg8) {
-        inherits(_SVGPathSegCurvetoCubicRel, _SVGPathSeg8);
-
-        function _SVGPathSegCurvetoCubicRel(owningPathSegList, x, y, x1, y1, x2, y2) {
-          classCallCheck(this, _SVGPathSegCurvetoCubicRel);
-
-          var _this7 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, 'c', owningPathSegList));
-
-          _this7._x = x;
-          _this7._y = y;
-          _this7._x1 = x1;
-          _this7._y1 = y1;
-          _this7._x2 = x2;
-          _this7._y2 = y2;
-          return _this7;
-        }
-
-        createClass(_SVGPathSegCurvetoCubicRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoCubicRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoCubicRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoCubicRel(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
           }
         }]);
+
         return _SVGPathSegCurvetoCubicRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoCubicRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         x1: {
-          get: function get$$1() {
+          get: function get() {
             return this._x1;
           },
-          set: function set$$1(x1) {
-            this._x1 = x1;this._segmentChanged();
+          set: function set(x1) {
+            this._x1 = x1;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y1: {
-          get: function get$$1() {
+          get: function get() {
             return this._y1;
           },
-          set: function set$$1(y1) {
-            this._y1 = y1;this._segmentChanged();
+          set: function set(y1) {
+            this._y1 = y1;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         x2: {
-          get: function get$$1() {
+          get: function get() {
             return this._x2;
           },
-          set: function set$$1(x2) {
-            this._x2 = x2;this._segmentChanged();
+          set: function set(x2) {
+            this._x2 = x2;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y2: {
-          get: function get$$1() {
+          get: function get() {
             return this._y2;
           },
-          set: function set$$1(y2) {
-            this._y2 = y2;this._segmentChanged();
+          set: function set(y2) {
+            this._y2 = y2;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegCurvetoQuadraticAbs = function (_SVGPathSeg9) {
-        inherits(_SVGPathSegCurvetoQuadraticAbs, _SVGPathSeg9);
+      var _SVGPathSegCurvetoQuadraticAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg9) {
+        _inherits(_SVGPathSegCurvetoQuadraticAbs, _SVGPathSeg9);
 
         function _SVGPathSegCurvetoQuadraticAbs(owningPathSegList, x, y, x1, y1) {
-          classCallCheck(this, _SVGPathSegCurvetoQuadraticAbs);
+          var _this7;
 
-          var _this8 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, 'Q', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoQuadraticAbs);
 
+          _this7 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, 'Q', owningPathSegList));
+          _this7._x = x;
+          _this7._y = y;
+          _this7._x1 = x1;
+          _this7._y1 = y1;
+          return _this7;
+        }
+
+        _createClass(_SVGPathSegCurvetoQuadraticAbs, [{
+          key: "toString",
+          value: function toString() {
+            return '[object SVGPathSegCurvetoQuadraticAbs]';
+          }
+        }, {
+          key: "_asPathString",
+          value: function _asPathString() {
+            return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y;
+          }
+        }, {
+          key: "clone",
+          value: function clone() {
+            return new _SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1);
+          }
+        }]);
+
+        return _SVGPathSegCurvetoQuadraticAbs;
+      }(_SVGPathSeg);
+
+      Object.defineProperties(_SVGPathSegCurvetoQuadraticAbs.prototype, {
+        x: {
+          get: function get() {
+            return this._x;
+          },
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y: {
+          get: function get() {
+            return this._y;
+          },
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        x1: {
+          get: function get() {
+            return this._x1;
+          },
+          set: function set(x1) {
+            this._x1 = x1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y1: {
+          get: function get() {
+            return this._y1;
+          },
+          set: function set(y1) {
+            this._y1 = y1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      });
+
+      var _SVGPathSegCurvetoQuadraticRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg10) {
+        _inherits(_SVGPathSegCurvetoQuadraticRel, _SVGPathSeg10);
+
+        function _SVGPathSegCurvetoQuadraticRel(owningPathSegList, x, y, x1, y1) {
+          var _this8;
+
+          _classCallCheck(this, _SVGPathSegCurvetoQuadraticRel);
+
+          _this8 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, 'q', owningPathSegList));
           _this8._x = x;
           _this8._y = y;
           _this8._x1 = x1;
@@ -726,137 +963,205 @@
           return _this8;
         }
 
-        createClass(_SVGPathSegCurvetoQuadraticAbs, [{
-          key: 'toString',
-          value: function toString() {
-            return '[object SVGPathSegCurvetoQuadraticAbs]';
-          }
-        }, {
-          key: '_asPathString',
-          value: function _asPathString() {
-            return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y;
-          }
-        }, {
-          key: 'clone',
-          value: function clone() {
-            return new _SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1);
-          }
-        }]);
-        return _SVGPathSegCurvetoQuadraticAbs;
-      }(_SVGPathSeg);
-
-      Object.defineProperties(_SVGPathSegCurvetoQuadraticAbs.prototype, {
-        x: {
-          get: function get$$1() {
-            return this._x;
-          },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
-          },
-          enumerable: true },
-        y: {
-          get: function get$$1() {
-            return this._y;
-          },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true },
-        x1: {
-          get: function get$$1() {
-            return this._x1;
-          },
-          set: function set$$1(x1) {
-            this._x1 = x1;this._segmentChanged();
-          },
-          enumerable: true },
-        y1: {
-          get: function get$$1() {
-            return this._y1;
-          },
-          set: function set$$1(y1) {
-            this._y1 = y1;this._segmentChanged();
-          },
-          enumerable: true }
-      });
-
-      var _SVGPathSegCurvetoQuadraticRel = function (_SVGPathSeg10) {
-        inherits(_SVGPathSegCurvetoQuadraticRel, _SVGPathSeg10);
-
-        function _SVGPathSegCurvetoQuadraticRel(owningPathSegList, x, y, x1, y1) {
-          classCallCheck(this, _SVGPathSegCurvetoQuadraticRel);
-
-          var _this9 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, 'q', owningPathSegList));
-
-          _this9._x = x;
-          _this9._y = y;
-          _this9._x1 = x1;
-          _this9._y1 = y1;
-          return _this9;
-        }
-
-        createClass(_SVGPathSegCurvetoQuadraticRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoQuadraticRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoQuadraticRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoQuadraticRel(undefined, this._x, this._y, this._x1, this._y1);
           }
         }]);
+
         return _SVGPathSegCurvetoQuadraticRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoQuadraticRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         x1: {
-          get: function get$$1() {
+          get: function get() {
             return this._x1;
           },
-          set: function set$$1(x1) {
-            this._x1 = x1;this._segmentChanged();
+          set: function set(x1) {
+            this._x1 = x1;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y1: {
-          get: function get$$1() {
+          get: function get() {
             return this._y1;
           },
-          set: function set$$1(y1) {
-            this._y1 = y1;this._segmentChanged();
+          set: function set(y1) {
+            this._y1 = y1;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegArcAbs = function (_SVGPathSeg11) {
-        inherits(_SVGPathSegArcAbs, _SVGPathSeg11);
+      var _SVGPathSegArcAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg11) {
+        _inherits(_SVGPathSegArcAbs, _SVGPathSeg11);
 
         function _SVGPathSegArcAbs(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
-          classCallCheck(this, _SVGPathSegArcAbs);
+          var _this9;
 
-          var _this10 = possibleConstructorReturn(this, (_SVGPathSegArcAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegArcAbs)).call(this, _SVGPathSeg.PATHSEG_ARC_ABS, 'A', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegArcAbs);
 
+          _this9 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegArcAbs).call(this, _SVGPathSeg.PATHSEG_ARC_ABS, 'A', owningPathSegList));
+          _this9._x = x;
+          _this9._y = y;
+          _this9._r1 = r1;
+          _this9._r2 = r2;
+          _this9._angle = angle;
+          _this9._largeArcFlag = largeArcFlag;
+          _this9._sweepFlag = sweepFlag;
+          return _this9;
+        }
+
+        _createClass(_SVGPathSegArcAbs, [{
+          key: "toString",
+          value: function toString() {
+            return '[object SVGPathSegArcAbs]';
+          }
+        }, {
+          key: "_asPathString",
+          value: function _asPathString() {
+            return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y;
+          }
+        }, {
+          key: "clone",
+          value: function clone() {
+            return new _SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
+          }
+        }]);
+
+        return _SVGPathSegArcAbs;
+      }(_SVGPathSeg);
+
+      Object.defineProperties(_SVGPathSegArcAbs.prototype, {
+        x: {
+          get: function get() {
+            return this._x;
+          },
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y: {
+          get: function get() {
+            return this._y;
+          },
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        r1: {
+          get: function get() {
+            return this._r1;
+          },
+          set: function set(r1) {
+            this._r1 = r1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        r2: {
+          get: function get() {
+            return this._r2;
+          },
+          set: function set(r2) {
+            this._r2 = r2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        angle: {
+          get: function get() {
+            return this._angle;
+          },
+          set: function set(angle) {
+            this._angle = angle;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        largeArcFlag: {
+          get: function get() {
+            return this._largeArcFlag;
+          },
+          set: function set(largeArcFlag) {
+            this._largeArcFlag = largeArcFlag;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        sweepFlag: {
+          get: function get() {
+            return this._sweepFlag;
+          },
+          set: function set(sweepFlag) {
+            this._sweepFlag = sweepFlag;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      });
+
+      var _SVGPathSegArcRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg12) {
+        _inherits(_SVGPathSegArcRel, _SVGPathSeg12);
+
+        function _SVGPathSegArcRel(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
+          var _this10;
+
+          _classCallCheck(this, _SVGPathSegArcRel);
+
+          _this10 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegArcRel).call(this, _SVGPathSeg.PATHSEG_ARC_REL, 'a', owningPathSegList));
           _this10._x = x;
           _this10._y = y;
           _this10._r1 = r1;
@@ -867,348 +1172,390 @@
           return _this10;
         }
 
-        createClass(_SVGPathSegArcAbs, [{
-          key: 'toString',
-          value: function toString() {
-            return '[object SVGPathSegArcAbs]';
-          }
-        }, {
-          key: '_asPathString',
-          value: function _asPathString() {
-            return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y;
-          }
-        }, {
-          key: 'clone',
-          value: function clone() {
-            return new _SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
-          }
-        }]);
-        return _SVGPathSegArcAbs;
-      }(_SVGPathSeg);
-
-      Object.defineProperties(_SVGPathSegArcAbs.prototype, {
-        x: {
-          get: function get$$1() {
-            return this._x;
-          },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
-          },
-          enumerable: true },
-        y: {
-          get: function get$$1() {
-            return this._y;
-          },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true },
-        r1: {
-          get: function get$$1() {
-            return this._r1;
-          },
-          set: function set$$1(r1) {
-            this._r1 = r1;this._segmentChanged();
-          },
-          enumerable: true },
-        r2: {
-          get: function get$$1() {
-            return this._r2;
-          },
-          set: function set$$1(r2) {
-            this._r2 = r2;this._segmentChanged();
-          },
-          enumerable: true },
-        angle: {
-          get: function get$$1() {
-            return this._angle;
-          },
-          set: function set$$1(angle) {
-            this._angle = angle;this._segmentChanged();
-          },
-          enumerable: true },
-        largeArcFlag: {
-          get: function get$$1() {
-            return this._largeArcFlag;
-          },
-          set: function set$$1(largeArcFlag) {
-            this._largeArcFlag = largeArcFlag;this._segmentChanged();
-          },
-          enumerable: true },
-        sweepFlag: {
-          get: function get$$1() {
-            return this._sweepFlag;
-          },
-          set: function set$$1(sweepFlag) {
-            this._sweepFlag = sweepFlag;this._segmentChanged();
-          },
-          enumerable: true }
-      });
-
-      var _SVGPathSegArcRel = function (_SVGPathSeg12) {
-        inherits(_SVGPathSegArcRel, _SVGPathSeg12);
-
-        function _SVGPathSegArcRel(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
-          classCallCheck(this, _SVGPathSegArcRel);
-
-          var _this11 = possibleConstructorReturn(this, (_SVGPathSegArcRel.__proto__ || Object.getPrototypeOf(_SVGPathSegArcRel)).call(this, _SVGPathSeg.PATHSEG_ARC_REL, 'a', owningPathSegList));
-
-          _this11._x = x;
-          _this11._y = y;
-          _this11._r1 = r1;
-          _this11._r2 = r2;
-          _this11._angle = angle;
-          _this11._largeArcFlag = largeArcFlag;
-          _this11._sweepFlag = sweepFlag;
-          return _this11;
-        }
-
-        createClass(_SVGPathSegArcRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegArcRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegArcRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegArcRel(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
           }
         }]);
+
         return _SVGPathSegArcRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegArcRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         r1: {
-          get: function get$$1() {
+          get: function get() {
             return this._r1;
           },
-          set: function set$$1(r1) {
-            this._r1 = r1;this._segmentChanged();
+          set: function set(r1) {
+            this._r1 = r1;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         r2: {
-          get: function get$$1() {
+          get: function get() {
             return this._r2;
           },
-          set: function set$$1(r2) {
-            this._r2 = r2;this._segmentChanged();
+          set: function set(r2) {
+            this._r2 = r2;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         angle: {
-          get: function get$$1() {
+          get: function get() {
             return this._angle;
           },
-          set: function set$$1(angle) {
-            this._angle = angle;this._segmentChanged();
+          set: function set(angle) {
+            this._angle = angle;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         largeArcFlag: {
-          get: function get$$1() {
+          get: function get() {
             return this._largeArcFlag;
           },
-          set: function set$$1(largeArcFlag) {
-            this._largeArcFlag = largeArcFlag;this._segmentChanged();
+          set: function set(largeArcFlag) {
+            this._largeArcFlag = largeArcFlag;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         sweepFlag: {
-          get: function get$$1() {
+          get: function get() {
             return this._sweepFlag;
           },
-          set: function set$$1(sweepFlag) {
-            this._sweepFlag = sweepFlag;this._segmentChanged();
+          set: function set(sweepFlag) {
+            this._sweepFlag = sweepFlag;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegLinetoHorizontalAbs = function (_SVGPathSeg13) {
-        inherits(_SVGPathSegLinetoHorizontalAbs, _SVGPathSeg13);
+      var _SVGPathSegLinetoHorizontalAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg13) {
+        _inherits(_SVGPathSegLinetoHorizontalAbs, _SVGPathSeg13);
 
         function _SVGPathSegLinetoHorizontalAbs(owningPathSegList, x) {
-          classCallCheck(this, _SVGPathSegLinetoHorizontalAbs);
+          var _this11;
 
-          var _this12 = possibleConstructorReturn(this, (_SVGPathSegLinetoHorizontalAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoHorizontalAbs)).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, 'H', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoHorizontalAbs);
 
-          _this12._x = x;
-          return _this12;
+          _this11 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoHorizontalAbs).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, 'H', owningPathSegList));
+          _this11._x = x;
+          return _this11;
         }
 
-        createClass(_SVGPathSegLinetoHorizontalAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoHorizontalAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoHorizontalAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoHorizontalAbs(undefined, this._x);
           }
         }]);
+
         return _SVGPathSegLinetoHorizontalAbs;
       }(_SVGPathSeg);
 
       Object.defineProperty(_SVGPathSegLinetoHorizontalAbs.prototype, 'x', {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
-        },
-        enumerable: true });
+        set: function set(x) {
+          this._x = x;
 
-      var _SVGPathSegLinetoHorizontalRel = function (_SVGPathSeg14) {
-        inherits(_SVGPathSegLinetoHorizontalRel, _SVGPathSeg14);
+          this._segmentChanged();
+        },
+        enumerable: true
+      });
+
+      var _SVGPathSegLinetoHorizontalRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg14) {
+        _inherits(_SVGPathSegLinetoHorizontalRel, _SVGPathSeg14);
 
         function _SVGPathSegLinetoHorizontalRel(owningPathSegList, x) {
-          classCallCheck(this, _SVGPathSegLinetoHorizontalRel);
+          var _this12;
 
-          var _this13 = possibleConstructorReturn(this, (_SVGPathSegLinetoHorizontalRel.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoHorizontalRel)).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, 'h', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoHorizontalRel);
 
-          _this13._x = x;
-          return _this13;
+          _this12 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoHorizontalRel).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, 'h', owningPathSegList));
+          _this12._x = x;
+          return _this12;
         }
 
-        createClass(_SVGPathSegLinetoHorizontalRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoHorizontalRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoHorizontalRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoHorizontalRel(undefined, this._x);
           }
         }]);
+
         return _SVGPathSegLinetoHorizontalRel;
       }(_SVGPathSeg);
 
       Object.defineProperty(_SVGPathSegLinetoHorizontalRel.prototype, 'x', {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
-        },
-        enumerable: true });
+        set: function set(x) {
+          this._x = x;
 
-      var _SVGPathSegLinetoVerticalAbs = function (_SVGPathSeg15) {
-        inherits(_SVGPathSegLinetoVerticalAbs, _SVGPathSeg15);
+          this._segmentChanged();
+        },
+        enumerable: true
+      });
+
+      var _SVGPathSegLinetoVerticalAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg15) {
+        _inherits(_SVGPathSegLinetoVerticalAbs, _SVGPathSeg15);
 
         function _SVGPathSegLinetoVerticalAbs(owningPathSegList, y) {
-          classCallCheck(this, _SVGPathSegLinetoVerticalAbs);
+          var _this13;
 
-          var _this14 = possibleConstructorReturn(this, (_SVGPathSegLinetoVerticalAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoVerticalAbs)).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, 'V', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoVerticalAbs);
 
-          _this14._y = y;
-          return _this14;
+          _this13 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoVerticalAbs).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, 'V', owningPathSegList));
+          _this13._y = y;
+          return _this13;
         }
 
-        createClass(_SVGPathSegLinetoVerticalAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoVerticalAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoVerticalAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoVerticalAbs(undefined, this._y);
           }
         }]);
+
         return _SVGPathSegLinetoVerticalAbs;
       }(_SVGPathSeg);
 
       Object.defineProperty(_SVGPathSegLinetoVerticalAbs.prototype, 'y', {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
-        },
-        enumerable: true });
+        set: function set(y) {
+          this._y = y;
 
-      var _SVGPathSegLinetoVerticalRel = function (_SVGPathSeg16) {
-        inherits(_SVGPathSegLinetoVerticalRel, _SVGPathSeg16);
+          this._segmentChanged();
+        },
+        enumerable: true
+      });
+
+      var _SVGPathSegLinetoVerticalRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg16) {
+        _inherits(_SVGPathSegLinetoVerticalRel, _SVGPathSeg16);
 
         function _SVGPathSegLinetoVerticalRel(owningPathSegList, y) {
-          classCallCheck(this, _SVGPathSegLinetoVerticalRel);
+          var _this14;
 
-          var _this15 = possibleConstructorReturn(this, (_SVGPathSegLinetoVerticalRel.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoVerticalRel)).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, 'v', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoVerticalRel);
 
-          _this15._y = y;
-          return _this15;
+          _this14 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoVerticalRel).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, 'v', owningPathSegList));
+          _this14._y = y;
+          return _this14;
         }
 
-        createClass(_SVGPathSegLinetoVerticalRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoVerticalRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoVerticalRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoVerticalRel(undefined, this._y);
           }
         }]);
+
         return _SVGPathSegLinetoVerticalRel;
       }(_SVGPathSeg);
 
       Object.defineProperty(_SVGPathSegLinetoVerticalRel.prototype, 'y', {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
-        },
-        enumerable: true });
+        set: function set(y) {
+          this._y = y;
 
-      var _SVGPathSegCurvetoCubicSmoothAbs = function (_SVGPathSeg17) {
-        inherits(_SVGPathSegCurvetoCubicSmoothAbs, _SVGPathSeg17);
+          this._segmentChanged();
+        },
+        enumerable: true
+      });
+
+      var _SVGPathSegCurvetoCubicSmoothAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg17) {
+        _inherits(_SVGPathSegCurvetoCubicSmoothAbs, _SVGPathSeg17);
 
         function _SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, x, y, x2, y2) {
-          classCallCheck(this, _SVGPathSegCurvetoCubicSmoothAbs);
+          var _this15;
 
-          var _this16 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicSmoothAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicSmoothAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, 'S', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoCubicSmoothAbs);
 
+          _this15 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicSmoothAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, 'S', owningPathSegList));
+          _this15._x = x;
+          _this15._y = y;
+          _this15._x2 = x2;
+          _this15._y2 = y2;
+          return _this15;
+        }
+
+        _createClass(_SVGPathSegCurvetoCubicSmoothAbs, [{
+          key: "toString",
+          value: function toString() {
+            return '[object SVGPathSegCurvetoCubicSmoothAbs]';
+          }
+        }, {
+          key: "_asPathString",
+          value: function _asPathString() {
+            return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
+          }
+        }, {
+          key: "clone",
+          value: function clone() {
+            return new _SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2);
+          }
+        }]);
+
+        return _SVGPathSegCurvetoCubicSmoothAbs;
+      }(_SVGPathSeg);
+
+      Object.defineProperties(_SVGPathSegCurvetoCubicSmoothAbs.prototype, {
+        x: {
+          get: function get() {
+            return this._x;
+          },
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y: {
+          get: function get() {
+            return this._y;
+          },
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        x2: {
+          get: function get() {
+            return this._x2;
+          },
+          set: function set(x2) {
+            this._x2 = x2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y2: {
+          get: function get() {
+            return this._y2;
+          },
+          set: function set(y2) {
+            this._y2 = y2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      });
+
+      var _SVGPathSegCurvetoCubicSmoothRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg18) {
+        _inherits(_SVGPathSegCurvetoCubicSmoothRel, _SVGPathSeg18);
+
+        function _SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, x, y, x2, y2) {
+          var _this16;
+
+          _classCallCheck(this, _SVGPathSegCurvetoCubicSmoothRel);
+
+          _this16 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicSmoothRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, 's', owningPathSegList));
           _this16._x = x;
           _this16._y = y;
           _this16._x2 = x2;
@@ -1216,287 +1563,268 @@
           return _this16;
         }
 
-        createClass(_SVGPathSegCurvetoCubicSmoothAbs, [{
-          key: 'toString',
-          value: function toString() {
-            return '[object SVGPathSegCurvetoCubicSmoothAbs]';
-          }
-        }, {
-          key: '_asPathString',
-          value: function _asPathString() {
-            return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
-          }
-        }, {
-          key: 'clone',
-          value: function clone() {
-            return new _SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2);
-          }
-        }]);
-        return _SVGPathSegCurvetoCubicSmoothAbs;
-      }(_SVGPathSeg);
-
-      Object.defineProperties(_SVGPathSegCurvetoCubicSmoothAbs.prototype, {
-        x: {
-          get: function get$$1() {
-            return this._x;
-          },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
-          },
-          enumerable: true },
-        y: {
-          get: function get$$1() {
-            return this._y;
-          },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true },
-        x2: {
-          get: function get$$1() {
-            return this._x2;
-          },
-          set: function set$$1(x2) {
-            this._x2 = x2;this._segmentChanged();
-          },
-          enumerable: true },
-        y2: {
-          get: function get$$1() {
-            return this._y2;
-          },
-          set: function set$$1(y2) {
-            this._y2 = y2;this._segmentChanged();
-          },
-          enumerable: true }
-      });
-
-      var _SVGPathSegCurvetoCubicSmoothRel = function (_SVGPathSeg18) {
-        inherits(_SVGPathSegCurvetoCubicSmoothRel, _SVGPathSeg18);
-
-        function _SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, x, y, x2, y2) {
-          classCallCheck(this, _SVGPathSegCurvetoCubicSmoothRel);
-
-          var _this17 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicSmoothRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicSmoothRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, 's', owningPathSegList));
-
-          _this17._x = x;
-          _this17._y = y;
-          _this17._x2 = x2;
-          _this17._y2 = y2;
-          return _this17;
-        }
-
-        createClass(_SVGPathSegCurvetoCubicSmoothRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoCubicSmoothRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoCubicSmoothRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoCubicSmoothRel(undefined, this._x, this._y, this._x2, this._y2);
           }
         }]);
+
         return _SVGPathSegCurvetoCubicSmoothRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoCubicSmoothRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         x2: {
-          get: function get$$1() {
+          get: function get() {
             return this._x2;
           },
-          set: function set$$1(x2) {
-            this._x2 = x2;this._segmentChanged();
+          set: function set(x2) {
+            this._x2 = x2;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y2: {
-          get: function get$$1() {
+          get: function get() {
             return this._y2;
           },
-          set: function set$$1(y2) {
-            this._y2 = y2;this._segmentChanged();
+          set: function set(y2) {
+            this._y2 = y2;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegCurvetoQuadraticSmoothAbs = function (_SVGPathSeg19) {
-        inherits(_SVGPathSegCurvetoQuadraticSmoothAbs, _SVGPathSeg19);
+      var _SVGPathSegCurvetoQuadraticSmoothAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg19) {
+        _inherits(_SVGPathSegCurvetoQuadraticSmoothAbs, _SVGPathSeg19);
 
         function _SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothAbs);
+          var _this17;
 
-          var _this18 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticSmoothAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, 'T', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothAbs);
 
-          _this18._x = x;
-          _this18._y = y;
-          return _this18;
+          _this17 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, 'T', owningPathSegList));
+          _this17._x = x;
+          _this17._y = y;
+          return _this17;
         }
 
-        createClass(_SVGPathSegCurvetoQuadraticSmoothAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoQuadraticSmoothAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoQuadraticSmoothAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoQuadraticSmoothAbs(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegCurvetoQuadraticSmoothAbs;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoQuadraticSmoothAbs.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegCurvetoQuadraticSmoothRel = function (_SVGPathSeg20) {
-        inherits(_SVGPathSegCurvetoQuadraticSmoothRel, _SVGPathSeg20);
+      var _SVGPathSegCurvetoQuadraticSmoothRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg20) {
+        _inherits(_SVGPathSegCurvetoQuadraticSmoothRel, _SVGPathSeg20);
 
         function _SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothRel);
+          var _this18;
 
-          var _this19 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticSmoothRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, 't', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothRel);
 
-          _this19._x = x;
-          _this19._y = y;
-          return _this19;
+          _this18 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, 't', owningPathSegList));
+          _this18._x = x;
+          _this18._y = y;
+          return _this18;
         }
 
-        createClass(_SVGPathSegCurvetoQuadraticSmoothRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoQuadraticSmoothRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoQuadraticSmoothRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoQuadraticSmoothRel(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegCurvetoQuadraticSmoothRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoQuadraticSmoothRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true }
-      });
+          set: function set(y) {
+            this._y = y;
 
-      // Add createSVGPathSeg* functions to SVGPathElement.
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      }); // Add createSVGPathSeg* functions to SVGPathElement.
       // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathElement.
+
       SVGPathElement.prototype.createSVGPathSegClosePath = function () {
         return new _SVGPathSegClosePath(undefined);
       };
+
       SVGPathElement.prototype.createSVGPathSegMovetoAbs = function (x, y) {
         return new _SVGPathSegMovetoAbs(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegMovetoRel = function (x, y) {
         return new _SVGPathSegMovetoRel(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoAbs = function (x, y) {
         return new _SVGPathSegLinetoAbs(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoRel = function (x, y) {
         return new _SVGPathSegLinetoRel(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoCubicAbs = function (x, y, x1, y1, x2, y2) {
         return new _SVGPathSegCurvetoCubicAbs(undefined, x, y, x1, y1, x2, y2);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoCubicRel = function (x, y, x1, y1, x2, y2) {
         return new _SVGPathSegCurvetoCubicRel(undefined, x, y, x1, y1, x2, y2);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticAbs = function (x, y, x1, y1) {
         return new _SVGPathSegCurvetoQuadraticAbs(undefined, x, y, x1, y1);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticRel = function (x, y, x1, y1) {
         return new _SVGPathSegCurvetoQuadraticRel(undefined, x, y, x1, y1);
       };
+
       SVGPathElement.prototype.createSVGPathSegArcAbs = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
         return new _SVGPathSegArcAbs(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
       };
+
       SVGPathElement.prototype.createSVGPathSegArcRel = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
         return new _SVGPathSegArcRel(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoHorizontalAbs = function (x) {
         return new _SVGPathSegLinetoHorizontalAbs(undefined, x);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel = function (x) {
         return new _SVGPathSegLinetoHorizontalRel(undefined, x);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs = function (y) {
         return new _SVGPathSegLinetoVerticalAbs(undefined, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel = function (y) {
         return new _SVGPathSegLinetoVerticalRel(undefined, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs = function (x, y, x2, y2) {
         return new _SVGPathSegCurvetoCubicSmoothAbs(undefined, x, y, x2, y2);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel = function (x, y, x2, y2) {
         return new _SVGPathSegCurvetoCubicSmoothRel(undefined, x, y, x2, y2);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs = function (x, y) {
         return new _SVGPathSegCurvetoQuadraticSmoothAbs(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel = function (x, y) {
         return new _SVGPathSegCurvetoQuadraticSmoothRel(undefined, x, y);
       };
@@ -1512,20 +1840,22 @@
 
           var measurementElement = document.createElementNS('http://www.w3.org/2000/svg', 'path');
           measurementElement.setAttribute('d', this.getAttribute('d'));
-          var lastPathSegment = measurementElement.pathSegList.numberOfItems - 1;
+          var lastPathSegment = measurementElement.pathSegList.numberOfItems - 1; // If the path is empty, return 0.
 
-          // If the path is empty, return 0.
           if (lastPathSegment <= 0) {
             return 0;
           }
 
           do {
             measurementElement.pathSegList.removeItem(lastPathSegment);
+
             if (distance > measurementElement.getTotalLength()) {
               break;
             }
+
             lastPathSegment--;
           } while (lastPathSegment > 0);
+
           return lastPathSegment;
         };
       }
@@ -1550,127 +1880,141 @@
       window.SVGPathSegCurvetoCubicSmoothRel = _SVGPathSegCurvetoCubicSmoothRel;
       window.SVGPathSegCurvetoQuadraticSmoothAbs = _SVGPathSegCurvetoQuadraticSmoothAbs;
       window.SVGPathSegCurvetoQuadraticSmoothRel = _SVGPathSegCurvetoQuadraticSmoothRel;
-    }
-
-    // Checking for SVGPathSegList in window checks for the case of an implementation without the
+    } // Checking for SVGPathSegList in window checks for the case of an implementation without the
     // SVGPathSegList API.
     // The second check for appendItem is specific to Firefox 59+ which removed only parts of the
     // SVGPathSegList API (e.g., appendItem). In this case we need to re-implement the entire API
     // so the polyfill data (i.e., _list) is used throughout.
+
+
     if (!('SVGPathSegList' in window) || !('appendItem' in window.SVGPathSegList.prototype)) {
       // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSegList
-      var SVGPathSegList = function () {
+      var SVGPathSegList =
+      /*#__PURE__*/
+      function () {
         function SVGPathSegList(pathElement) {
-          classCallCheck(this, SVGPathSegList);
+          _classCallCheck(this, SVGPathSegList);
 
           this._pathElement = pathElement;
-          this._list = this._parsePath(this._pathElement.getAttribute('d'));
+          this._list = this._parsePath(this._pathElement.getAttribute('d')); // Use a MutationObserver to catch changes to the path's "d" attribute.
 
-          // Use a MutationObserver to catch changes to the path's "d" attribute.
-          this._mutationObserverConfig = { attributes: true, attributeFilter: ['d'] };
+          this._mutationObserverConfig = {
+            attributes: true,
+            attributeFilter: ['d']
+          };
           this._pathElementMutationObserver = new MutationObserver(this._updateListFromPathMutations.bind(this));
+
           this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
-        }
-        // Process any pending mutations to the path element and update the list as needed.
+        } // Process any pending mutations to the path element and update the list as needed.
         // This should be the first call of all public functions and is needed because
         // MutationObservers are not synchronous so we can have pending asynchronous mutations.
 
 
-        createClass(SVGPathSegList, [{
-          key: '_checkPathSynchronizedToList',
+        _createClass(SVGPathSegList, [{
+          key: "_checkPathSynchronizedToList",
           value: function _checkPathSynchronizedToList() {
             this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords());
           }
         }, {
-          key: '_updateListFromPathMutations',
+          key: "_updateListFromPathMutations",
           value: function _updateListFromPathMutations(mutationRecords) {
             if (!this._pathElement) {
               return;
             }
+
             var hasPathMutations = false;
             mutationRecords.forEach(function (record) {
               if (record.attributeName === 'd') {
                 hasPathMutations = true;
               }
             });
+
             if (hasPathMutations) {
               this._list = this._parsePath(this._pathElement.getAttribute('d'));
             }
-          }
-
-          // Serialize the list and update the path's 'd' attribute.
+          } // Serialize the list and update the path's 'd' attribute.
 
         }, {
-          key: '_writeListToPath',
+          key: "_writeListToPath",
           value: function _writeListToPath() {
             this._pathElementMutationObserver.disconnect();
-            this._pathElement.setAttribute('d', SVGPathSegList._pathSegArrayAsString(this._list));
-            this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
-          }
 
-          // When a path segment changes the list needs to be synchronized back to the path element.
+            this._pathElement.setAttribute('d', SVGPathSegList._pathSegArrayAsString(this._list));
+
+            this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
+          } // When a path segment changes the list needs to be synchronized back to the path element.
 
         }, {
-          key: 'segmentChanged',
+          key: "segmentChanged",
           value: function segmentChanged(pathSeg) {
             this._writeListToPath();
           }
         }, {
-          key: 'clear',
+          key: "clear",
           value: function clear() {
             this._checkPathSynchronizedToList();
 
             this._list.forEach(function (pathSeg) {
               pathSeg._owningPathSegList = null;
             });
+
             this._list = [];
+
             this._writeListToPath();
           }
         }, {
-          key: 'initialize',
+          key: "initialize",
           value: function initialize(newItem) {
             this._checkPathSynchronizedToList();
 
             this._list = [newItem];
             newItem._owningPathSegList = this;
+
             this._writeListToPath();
+
             return newItem;
           }
         }, {
-          key: '_checkValidIndex',
+          key: "_checkValidIndex",
           value: function _checkValidIndex(index) {
             if (isNaN(index) || index < 0 || index >= this.numberOfItems) {
               throw new Error('INDEX_SIZE_ERR');
             }
           }
         }, {
-          key: 'getItem',
+          key: "getItem",
           value: function getItem(index) {
             this._checkPathSynchronizedToList();
 
             this._checkValidIndex(index);
+
             return this._list[index];
           }
         }, {
-          key: 'insertItemBefore',
+          key: "insertItemBefore",
           value: function insertItemBefore(newItem, index) {
-            this._checkPathSynchronizedToList();
+            this._checkPathSynchronizedToList(); // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.
+
 
-            // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.
             if (index > this.numberOfItems) {
               index = this.numberOfItems;
             }
+
             if (newItem._owningPathSegList) {
               // SVG2 spec says to make a copy.
               newItem = newItem.clone();
             }
+
             this._list.splice(index, 0, newItem);
+
             newItem._owningPathSegList = this;
+
             this._writeListToPath();
+
             return newItem;
           }
         }, {
-          key: 'replaceItem',
+          key: "replaceItem",
           value: function replaceItem(newItem, index) {
             this._checkPathSynchronizedToList();
 
@@ -1678,25 +2022,33 @@
               // SVG2 spec says to make a copy.
               newItem = newItem.clone();
             }
+
             this._checkValidIndex(index);
+
             this._list[index] = newItem;
             newItem._owningPathSegList = this;
+
             this._writeListToPath();
+
             return newItem;
           }
         }, {
-          key: 'removeItem',
+          key: "removeItem",
           value: function removeItem(index) {
             this._checkPathSynchronizedToList();
 
             this._checkValidIndex(index);
+
             var item = this._list[index];
+
             this._list.splice(index, 1);
+
             this._writeListToPath();
+
             return item;
           }
         }, {
-          key: 'appendItem',
+          key: "appendItem",
           value: function appendItem(newItem) {
             this._checkPathSynchronizedToList();
 
@@ -1704,17 +2056,18 @@
               // SVG2 spec says to make a copy.
               newItem = newItem.clone();
             }
-            this._list.push(newItem);
-            newItem._owningPathSegList = this;
-            // TODO: Optimize this to just append to the existing attribute.
-            this._writeListToPath();
-            return newItem;
-          }
 
-          // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.
+            this._list.push(newItem);
+
+            newItem._owningPathSegList = this; // TODO: Optimize this to just append to the existing attribute.
+
+            this._writeListToPath();
+
+            return newItem;
+          } // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.
 
         }, {
-          key: '_parsePath',
+          key: "_parsePath",
           value: function _parsePath(string) {
             if (!string || !string.length) {
               return [];
@@ -1722,25 +2075,30 @@
 
             var owningPathSegList = this;
 
-            var Builder = function () {
+            var Builder =
+            /*#__PURE__*/
+            function () {
               function Builder() {
-                classCallCheck(this, Builder);
+                _classCallCheck(this, Builder);
 
                 this.pathSegList = [];
               }
 
-              createClass(Builder, [{
-                key: 'appendSegment',
+              _createClass(Builder, [{
+                key: "appendSegment",
                 value: function appendSegment(pathSeg) {
                   this.pathSegList.push(pathSeg);
                 }
               }]);
+
               return Builder;
             }();
 
-            var Source = function () {
+            var Source =
+            /*#__PURE__*/
+            function () {
               function Source(string) {
-                classCallCheck(this, Source);
+                _classCallCheck(this, Source);
 
                 this._string = string;
                 this._currentIndex = 0;
@@ -1750,124 +2108,149 @@
                 this._skipOptionalSpaces();
               }
 
-              createClass(Source, [{
-                key: '_isCurrentSpace',
+              _createClass(Source, [{
+                key: "_isCurrentSpace",
                 value: function _isCurrentSpace() {
                   var character = this._string[this._currentIndex];
                   return character <= ' ' && (character === ' ' || character === '\n' || character === '\t' || character === '\r' || character === '\f');
                 }
               }, {
-                key: '_skipOptionalSpaces',
+                key: "_skipOptionalSpaces",
                 value: function _skipOptionalSpaces() {
                   while (this._currentIndex < this._endIndex && this._isCurrentSpace()) {
                     this._currentIndex++;
                   }
+
                   return this._currentIndex < this._endIndex;
                 }
               }, {
-                key: '_skipOptionalSpacesOrDelimiter',
+                key: "_skipOptionalSpacesOrDelimiter",
                 value: function _skipOptionalSpacesOrDelimiter() {
                   if (this._currentIndex < this._endIndex && !this._isCurrentSpace() && this._string.charAt(this._currentIndex) !== ',') {
                     return false;
                   }
+
                   if (this._skipOptionalSpaces()) {
                     if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === ',') {
                       this._currentIndex++;
+
                       this._skipOptionalSpaces();
                     }
                   }
+
                   return this._currentIndex < this._endIndex;
                 }
               }, {
-                key: 'hasMoreData',
+                key: "hasMoreData",
                 value: function hasMoreData() {
                   return this._currentIndex < this._endIndex;
                 }
               }, {
-                key: 'peekSegmentType',
+                key: "peekSegmentType",
                 value: function peekSegmentType() {
                   var lookahead = this._string[this._currentIndex];
                   return this._pathSegTypeFromChar(lookahead);
                 }
               }, {
-                key: '_pathSegTypeFromChar',
+                key: "_pathSegTypeFromChar",
                 value: function _pathSegTypeFromChar(lookahead) {
                   switch (lookahead) {
                     case 'Z':
                     case 'z':
                       return SVGPathSeg.PATHSEG_CLOSEPATH;
+
                     case 'M':
                       return SVGPathSeg.PATHSEG_MOVETO_ABS;
+
                     case 'm':
                       return SVGPathSeg.PATHSEG_MOVETO_REL;
+
                     case 'L':
                       return SVGPathSeg.PATHSEG_LINETO_ABS;
+
                     case 'l':
                       return SVGPathSeg.PATHSEG_LINETO_REL;
+
                     case 'C':
                       return SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;
+
                     case 'c':
                       return SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;
+
                     case 'Q':
                       return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;
+
                     case 'q':
                       return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;
+
                     case 'A':
                       return SVGPathSeg.PATHSEG_ARC_ABS;
+
                     case 'a':
                       return SVGPathSeg.PATHSEG_ARC_REL;
+
                     case 'H':
                       return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;
+
                     case 'h':
                       return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;
+
                     case 'V':
                       return SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;
+
                     case 'v':
                       return SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;
+
                     case 'S':
                       return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;
+
                     case 's':
                       return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;
+
                     case 'T':
                       return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;
+
                     case 't':
                       return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;
+
                     default:
                       return SVGPathSeg.PATHSEG_UNKNOWN;
                   }
                 }
               }, {
-                key: '_nextCommandHelper',
+                key: "_nextCommandHelper",
                 value: function _nextCommandHelper(lookahead, previousCommand) {
                   // Check for remaining coordinates in the current command.
                   if ((lookahead === '+' || lookahead === '-' || lookahead === '.' || lookahead >= '0' && lookahead <= '9') && previousCommand !== SVGPathSeg.PATHSEG_CLOSEPATH) {
                     if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_ABS) {
                       return SVGPathSeg.PATHSEG_LINETO_ABS;
                     }
+
                     if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_REL) {
                       return SVGPathSeg.PATHSEG_LINETO_REL;
                     }
+
                     return previousCommand;
                   }
+
                   return SVGPathSeg.PATHSEG_UNKNOWN;
                 }
               }, {
-                key: 'initialCommandIsMoveTo',
+                key: "initialCommandIsMoveTo",
                 value: function initialCommandIsMoveTo() {
                   // If the path is empty it is still valid, so return true.
                   if (!this.hasMoreData()) {
                     return true;
                   }
-                  var command = this.peekSegmentType();
-                  // Path must start with moveTo.
-                  return command === SVGPathSeg.PATHSEG_MOVETO_ABS || command === SVGPathSeg.PATHSEG_MOVETO_REL;
-                }
 
-                // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.
+                  var command = this.peekSegmentType(); // Path must start with moveTo.
+
+                  return command === SVGPathSeg.PATHSEG_MOVETO_ABS || command === SVGPathSeg.PATHSEG_MOVETO_REL;
+                } // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.
                 // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-PathDataBNF
 
               }, {
-                key: '_parseNumber',
+                key: "_parseNumber",
                 value: function _parseNumber() {
                   var exponent = 0;
                   var integer = 0;
@@ -1875,12 +2258,11 @@
                   var decimal = 0;
                   var sign = 1;
                   var expsign = 1;
-
                   var startIndex = this._currentIndex;
 
-                  this._skipOptionalSpaces();
+                  this._skipOptionalSpaces(); // Read the sign.
+
 
-                  // Read the sign.
                   if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '+') {
                     this._currentIndex++;
                   } else if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '-') {
@@ -1891,10 +2273,11 @@
                   if (this._currentIndex === this._endIndex || (this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') && this._string.charAt(this._currentIndex) !== '.') {
                     // The first character of a number must be one of [0-9+-.].
                     return undefined;
-                  }
+                  } // Read the integer part, build right-to-left.
+
 
-                  // Read the integer part, build right-to-left.
                   var startIntPartIndex = this._currentIndex;
+
                   while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {
                     this._currentIndex++; // Advance to first non-digit.
                   }
@@ -1902,40 +2285,40 @@
                   if (this._currentIndex !== startIntPartIndex) {
                     var scanIntPartIndex = this._currentIndex - 1;
                     var multiplier = 1;
+
                     while (scanIntPartIndex >= startIntPartIndex) {
                       integer += multiplier * (this._string.charAt(scanIntPartIndex--) - '0');
                       multiplier *= 10;
                     }
-                  }
+                  } // Read the decimals.
+
 
-                  // Read the decimals.
                   if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '.') {
-                    this._currentIndex++;
+                    this._currentIndex++; // There must be a least one digit following the .
 
-                    // There must be a least one digit following the .
                     if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {
                       return undefined;
                     }
+
                     while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {
                       frac *= 10;
                       decimal += (this._string.charAt(this._currentIndex) - '0') / frac;
                       this._currentIndex += 1;
                     }
-                  }
+                  } // Read the exponent part.
+
 
-                  // Read the exponent part.
                   if (this._currentIndex !== startIndex && this._currentIndex + 1 < this._endIndex && (this._string.charAt(this._currentIndex) === 'e' || this._string.charAt(this._currentIndex) === 'E') && this._string.charAt(this._currentIndex + 1) !== 'x' && this._string.charAt(this._currentIndex + 1) !== 'm') {
-                    this._currentIndex++;
+                    this._currentIndex++; // Read the sign of the exponent.
 
-                    // Read the sign of the exponent.
                     if (this._string.charAt(this._currentIndex) === '+') {
                       this._currentIndex++;
                     } else if (this._string.charAt(this._currentIndex) === '-') {
                       this._currentIndex++;
                       expsign = -1;
-                    }
+                    } // There must be an exponent.
+
 
-                    // There must be an exponent.
                     if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {
                       return undefined;
                     }
@@ -1963,13 +2346,16 @@
                   return number;
                 }
               }, {
-                key: '_parseArcFlag',
+                key: "_parseArcFlag",
                 value: function _parseArcFlag() {
                   if (this._currentIndex >= this._endIndex) {
                     return undefined;
                   }
+
                   var flag = false;
+
                   var flagChar = this._string.charAt(this._currentIndex++);
+
                   if (flagChar === '0') {
                     flag = false;
                   } else if (flagChar === '1') {
@@ -1979,19 +2365,24 @@
                   }
 
                   this._skipOptionalSpacesOrDelimiter();
+
                   return flag;
                 }
               }, {
-                key: 'parseSegment',
+                key: "parseSegment",
                 value: function parseSegment() {
                   var lookahead = this._string[this._currentIndex];
+
                   var command = this._pathSegTypeFromChar(lookahead);
+
                   if (command === SVGPathSeg.PATHSEG_UNKNOWN) {
                     // Possibly an implicit command. Not allowed if this is the first command.
                     if (this._previousCommand === SVGPathSeg.PATHSEG_UNKNOWN) {
                       return null;
                     }
+
                     command = this._nextCommandHelper(lookahead, this._previousCommand);
+
                     if (command === SVGPathSeg.PATHSEG_UNKNOWN) {
                       return null;
                     }
@@ -2004,63 +2395,141 @@
                   switch (command) {
                     case SVGPathSeg.PATHSEG_MOVETO_REL:
                       return new SVGPathSegMovetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_MOVETO_ABS:
                       return new SVGPathSegMovetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_REL:
                       return new SVGPathSegLinetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_ABS:
                       return new SVGPathSegLinetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:
                       return new SVGPathSegLinetoHorizontalRel(owningPathSegList, this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:
                       return new SVGPathSegLinetoHorizontalAbs(owningPathSegList, this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:
                       return new SVGPathSegLinetoVerticalRel(owningPathSegList, this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:
                       return new SVGPathSegLinetoVerticalAbs(owningPathSegList, this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_CLOSEPATH:
                       this._skipOptionalSpaces();
+
                       return new SVGPathSegClosePath(owningPathSegList);
+
                     case SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:
                       {
-                        var _points = { x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          x2: this._parseNumber(),
+                          y2: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoCubicRel(owningPathSegList, _points.x, _points.y, _points.x1, _points.y1, _points.x2, _points.y2);
-                      }case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:
                       {
-                        var _points2 = { x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points2 = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          x2: this._parseNumber(),
+                          y2: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoCubicAbs(owningPathSegList, _points2.x, _points2.y, _points2.x1, _points2.y1, _points2.x2, _points2.y2);
-                      }case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:
                       {
-                        var _points3 = { x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points3 = {
+                          x2: this._parseNumber(),
+                          y2: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, _points3.x, _points3.y, _points3.x2, _points3.y2);
-                      }case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:
                       {
-                        var _points4 = { x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points4 = {
+                          x2: this._parseNumber(),
+                          y2: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, _points4.x, _points4.y, _points4.x2, _points4.y2);
-                      }case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:
                       {
-                        var _points5 = { x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points5 = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoQuadraticRel(owningPathSegList, _points5.x, _points5.y, _points5.x1, _points5.y1);
-                      }case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:
-                      var points = { x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:
+                      var points = {
+                        x1: this._parseNumber(),
+                        y1: this._parseNumber(),
+                        x: this._parseNumber(),
+                        y: this._parseNumber()
+                      };
                       return new SVGPathSegCurvetoQuadraticAbs(owningPathSegList, points.x, points.y, points.x1, points.y1);
+
                     case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:
                       return new SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:
                       return new SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_ARC_REL:
                       {
-                        var _points6 = { x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points6 = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          arcAngle: this._parseNumber(),
+                          arcLarge: this._parseArcFlag(),
+                          arcSweep: this._parseArcFlag(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegArcRel(owningPathSegList, _points6.x, _points6.y, _points6.x1, _points6.y1, _points6.arcAngle, _points6.arcLarge, _points6.arcSweep);
-                      }case SVGPathSeg.PATHSEG_ARC_ABS:
+                      }
+
+                    case SVGPathSeg.PATHSEG_ARC_ABS:
                       {
-                        var _points7 = { x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points7 = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          arcAngle: this._parseNumber(),
+                          arcLarge: this._parseArcFlag(),
+                          arcSweep: this._parseArcFlag(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegArcAbs(owningPathSegList, _points7.x, _points7.y, _points7.x1, _points7.y1, _points7.arcAngle, _points7.arcLarge, _points7.arcSweep);
-                      }default:
+                      }
+
+                    default:
                       throw new Error('Unknown path seg type.');
                   }
                 }
               }]);
+
               return Source;
             }();
 
@@ -2070,28 +2539,31 @@
             if (!source.initialCommandIsMoveTo()) {
               return [];
             }
+
             while (source.hasMoreData()) {
               var pathSeg = source.parseSegment();
+
               if (!pathSeg) {
                 return [];
               }
+
               builder.appendSegment(pathSeg);
             }
 
             return builder.pathSegList;
           }
         }]);
+
         return SVGPathSegList;
       }();
 
       SVGPathSegList.prototype.classname = 'SVGPathSegList';
-
       Object.defineProperty(SVGPathSegList.prototype, 'numberOfItems', {
-        get: function get$$1() {
+        get: function get() {
           this._checkPathSynchronizedToList();
+
           return this._list.length;
         },
-
         enumerable: true
       });
 
@@ -2107,56 +2579,55 @@
           }
         });
         return string;
-      };
-
-      // Add the pathSegList accessors to SVGPathElement.
+      }; // Add the pathSegList accessors to SVGPathElement.
       // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGAnimatedPathData
+
+
       Object.defineProperties(SVGPathElement.prototype, {
         pathSegList: {
-          get: function get$$1() {
+          get: function get() {
             if (!this._pathSegList) {
               this._pathSegList = new SVGPathSegList(this);
             }
+
             return this._pathSegList;
           },
-
           enumerable: true
         },
         // FIXME: The following are not implemented and simply return SVGPathElement.pathSegList.
         normalizedPathSegList: {
-          get: function get$$1() {
+          get: function get() {
             return this.pathSegList;
           },
-          enumerable: true },
+          enumerable: true
+        },
         animatedPathSegList: {
-          get: function get$$1() {
+          get: function get() {
             return this.pathSegList;
           },
-          enumerable: true },
+          enumerable: true
+        },
         animatedNormalizedPathSegList: {
-          get: function get$$1() {
+          get: function get() {
             return this.pathSegList;
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
       window.SVGPathSegList = SVGPathSegList;
     }
   })();
 
   /* globals jQuery */
-
   var $ = jQuery;
 
   var supportsSVG_ = function () {
     return !!document.createElementNS && !!document.createElementNS(NS.SVG, 'svg').createSVGRect;
   }();
-
   var _navigator = navigator,
       userAgent = _navigator.userAgent;
+  var svg = document.createElementNS(NS.SVG, 'svg'); // Note: Browser sniffing should only be used if no other detection method is possible
 
-  var svg = document.createElementNS(NS.SVG, 'svg');
-
-  // Note: Browser sniffing should only be used if no other detection method is possible
   var isOpera_ = !!window.opera;
   var isWebkit_ = userAgent.includes('AppleWebKit');
   var isGecko_ = userAgent.includes('Gecko/');
@@ -2172,18 +2643,20 @@
 
   var supportsXpath_ = function () {
     return !!document.evaluate;
-  }();
+  }(); // segList functions (for FF1.5 and 2.0)
+
 
-  // segList functions (for FF1.5 and 2.0)
   var supportsPathReplaceItem_ = function () {
     var path = document.createElementNS(NS.SVG, 'path');
     path.setAttribute('d', 'M0,0 10,10');
     var seglist = path.pathSegList;
     var seg = path.createSVGPathSegLinetoAbs(5, 5);
+
     try {
       seglist.replaceItem(seg, 1);
       return true;
     } catch (err) {}
+
     return false;
   }();
 
@@ -2192,14 +2665,16 @@
     path.setAttribute('d', 'M0,0 10,10');
     var seglist = path.pathSegList;
     var seg = path.createSVGPathSegLinetoAbs(5, 5);
+
     try {
       seglist.insertItemBefore(seg, 1);
       return true;
     } catch (err) {}
-    return false;
-  }();
 
-  // text character positioning (for IE9)
+    return false;
+  }(); // text character positioning (for IE9)
+
+
   var supportsGoodTextCharPos_ = function () {
     var svgroot = document.createElementNS(NS.SVG, 'svg');
     var svgcontent = document.createElementNS(NS.SVG, 'svg');
@@ -2223,9 +2698,9 @@
     var bbox = path.getBBox();
     svgcontent.remove();
     return bbox.height > 4 && bbox.height < 5;
-  }();
+  }(); // Support for correct bbox sizing on groups with horizontal/vertical lines
+
 
-  // Support for correct bbox sizing on groups with horizontal/vertical lines
   var supportsHVLineContainerBBox_ = function () {
     var svgcontent = document.createElementNS(NS.SVG, 'svg');
     document.documentElement.append(svgcontent);
@@ -2237,8 +2712,8 @@
     g.append(path, path2);
     svgcontent.append(g);
     var bbox = g.getBBox();
-    svgcontent.remove();
-    // Webkit gives 0, FF gives 10, Opera (correctly) gives 15
+    svgcontent.remove(); // Webkit gives 0, FF gives 10, Opera (correctly) gives 15
+
     return bbox.width === 15;
   }();
 
@@ -2248,10 +2723,12 @@
     rect.setAttribute('x', 0.1);
     var crect = rect.cloneNode(false);
     var retValue = !crect.getAttribute('x').includes(',');
+
     if (!retValue) {
       // Todo: i18nize or remove
       $.alert('NOTE: This version of Opera is known to contain bugs in SVG-edit.\n' + 'Please upgrade to the <a href="http://opera.com">latest version</a> in which the problems have been fixed.');
     }
+
     return retValue;
   }();
 
@@ -2266,17 +2743,17 @@
     var rxform = rect.transform.baseVal;
     var t1 = svg.createSVGTransform();
     rxform.appendItem(t1);
-    var r1 = rxform.getItem(0);
-    // Todo: Do frame-independent instance checking
-    return r1 instanceof SVGTransform && t1 instanceof SVGTransform && r1.type === t1.type && r1.angle === t1.angle && r1.matrix.a === t1.matrix.a && r1.matrix.b === t1.matrix.b && r1.matrix.c === t1.matrix.c && r1.matrix.d === t1.matrix.d && r1.matrix.e === t1.matrix.e && r1.matrix.f === t1.matrix.f;
-  }();
+    var r1 = rxform.getItem(0); // Todo: Do frame-independent instance checking
 
-  // Public API
+    return r1 instanceof SVGTransform && t1 instanceof SVGTransform && r1.type === t1.type && r1.angle === t1.angle && r1.matrix.a === t1.matrix.a && r1.matrix.b === t1.matrix.b && r1.matrix.c === t1.matrix.c && r1.matrix.d === t1.matrix.d && r1.matrix.e === t1.matrix.e && r1.matrix.f === t1.matrix.f;
+  }(); // Public API
 
   /**
    * @function module:browser.isOpera
    * @returns {boolean}
   */
+
+
   var isOpera = function isOpera() {
     return isOpera_;
   };
@@ -2284,6 +2761,7 @@
    * @function module:browser.isWebkit
    * @returns {boolean}
   */
+
   var isWebkit = function isWebkit() {
     return isWebkit_;
   };
@@ -2291,6 +2769,7 @@
    * @function module:browser.isGecko
    * @returns {boolean}
   */
+
   var isGecko = function isGecko() {
     return isGecko_;
   };
@@ -2298,6 +2777,7 @@
    * @function module:browser.isIE
    * @returns {boolean}
   */
+
   var isIE = function isIE() {
     return isIE_;
   };
@@ -2305,6 +2785,7 @@
    * @function module:browser.isChrome
    * @returns {boolean}
   */
+
   var isChrome = function isChrome() {
     return isChrome_;
   };
@@ -2312,6 +2793,7 @@
    * @function module:browser.isMac
    * @returns {boolean}
   */
+
   var isMac = function isMac() {
     return isMac_;
   };
@@ -2319,78 +2801,79 @@
    * @function module:browser.isTouch
    * @returns {boolean}
   */
+
   var isTouch = function isTouch() {
     return isTouch_;
   };
-
   /**
    * @function module:browser.supportsSelectors
    * @returns {boolean}
   */
+
   var supportsSelectors = function supportsSelectors() {
     return supportsSelectors_;
   };
-
   /**
    * @function module:browser.supportsXpath
    * @returns {boolean}
   */
+
   var supportsXpath = function supportsXpath() {
     return supportsXpath_;
   };
-
   /**
    * @function module:browser.supportsPathReplaceItem
    * @returns {boolean}
   */
+
   var supportsPathReplaceItem = function supportsPathReplaceItem() {
     return supportsPathReplaceItem_;
   };
-
   /**
    * @function module:browser.supportsPathInsertItemBefore
    * @returns {boolean}
   */
+
   var supportsPathInsertItemBefore = function supportsPathInsertItemBefore() {
     return supportsPathInsertItemBefore_;
   };
-
   /**
    * @function module:browser.supportsPathBBox
    * @returns {boolean}
   */
+
   var supportsPathBBox = function supportsPathBBox() {
     return supportsPathBBox_;
   };
-
   /**
    * @function module:browser.supportsHVLineContainerBBox
    * @returns {boolean}
   */
+
   var supportsHVLineContainerBBox = function supportsHVLineContainerBBox() {
     return supportsHVLineContainerBBox_;
   };
-
   /**
    * @function module:browser.supportsGoodTextCharPos
    * @returns {boolean}
   */
+
   var supportsGoodTextCharPos = function supportsGoodTextCharPos() {
     return supportsGoodTextCharPos_;
   };
-
   /**
   * @function module:browser.supportsNonScalingStroke
   * @returns {boolean}
   */
+
   var supportsNonScalingStroke = function supportsNonScalingStroke() {
     return supportsNonScalingStroke_;
   };
-
   /**
   * @function module:browser.supportsNativeTransformLists
   * @returns {boolean}
   */
+
   var supportsNativeTransformLists = function supportsNativeTransformLists() {
     return supportsNativeSVGTransformLists_;
   };
@@ -2421,20 +2904,24 @@
     /**
     * @typedef {PlainObject.<string, string|Float>} module:jQueryAttr.Attributes
     */
+
     /**
     * @function external:jQuery.fn.attr
     * @param {string|string[]|PlainObject.<string, string>} key
     * @param {string} value
     * @returns {external:jQuery|module:jQueryAttr.Attributes}
     */
+
     $.fn.attr = function (key, value) {
       var len = this.length;
+
       if (!len) {
         return proxied.apply(this, arguments);
       }
+
       for (var i = 0; i < len; ++i) {
-        var elem = this[i];
-        // set/get SVG attribute
+        var elem = this[i]; // set/get SVG attribute
+
         if (elem.namespaceURI === svgns) {
           // Setting attribute
           if (value !== undefined) {
@@ -2446,87 +2933,67 @@
 
             while (j--) {
               var aname = key[j];
-              var attr = elem.getAttribute(aname);
-              // This returns a number when appropriate
+              var attr = elem.getAttribute(aname); // This returns a number when appropriate
+
               if (attr || attr === '0') {
                 attr = isNaN(attr) ? attr : attr - 0;
               }
+
               obj[aname] = attr;
             }
+
             return obj;
           }
-          if ((typeof key === 'undefined' ? 'undefined' : _typeof(key)) === 'object') {
+
+          if (_typeof(key) === 'object') {
             // Setting attributes from object
-            var _iteratorNormalCompletion = true;
-            var _didIteratorError = false;
-            var _iteratorError = undefined;
+            var _arr = Object.entries(key);
 
-            try {
-              for (var _iterator = Object.entries(key)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
-                var _ref = _step.value;
+            for (var _i = 0; _i < _arr.length; _i++) {
+              var _arr$_i = _slicedToArray(_arr[_i], 2),
+                  name = _arr$_i[0],
+                  val = _arr$_i[1];
 
-                var _ref2 = slicedToArray(_ref, 2);
+              elem.setAttribute(name, val);
+            } // Getting attribute
 
-                var name = _ref2[0];
-                var val = _ref2[1];
-
-                elem.setAttribute(name, val);
-              }
-              // Getting attribute
-            } catch (err) {
-              _didIteratorError = true;
-              _iteratorError = err;
-            } finally {
-              try {
-                if (!_iteratorNormalCompletion && _iterator.return) {
-                  _iterator.return();
-                }
-              } finally {
-                if (_didIteratorError) {
-                  throw _iteratorError;
-                }
-              }
-            }
           } else {
             var _attr = elem.getAttribute(key);
+
             if (_attr || _attr === '0') {
               _attr = isNaN(_attr) ? _attr : _attr - 0;
             }
+
             return _attr;
           }
         } else {
           return proxied.apply(this, arguments);
         }
       }
+
       return this;
     };
+
     return $;
   }
 
-  /**
-   * Partial polyfill of `SVGTransformList`
-   * @module SVGTransformList
-   *
-   * @license MIT
-   *
-   * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller
-   */
+  var svgroot = document.createElementNS(NS.SVG, 'svg'); // Helper function.
 
-  var svgroot = document.createElementNS(NS.SVG, 'svg');
-
-  // Helper function.
   function transformToString(xform) {
     var m = xform.matrix;
     var text = '';
+
     switch (xform.type) {
       case 1:
         // MATRIX
         text = 'matrix(' + [m.a, m.b, m.c, m.d, m.e, m.f].join(',') + ')';
         break;
+
       case 2:
         // TRANSLATE
         text = 'translate(' + m.e + ',' + m.f + ')';
         break;
+
       case 3:
         // SCALE
         if (m.a === m.d) {
@@ -2534,49 +3001,57 @@
         } else {
           text = 'scale(' + m.a + ',' + m.d + ')';
         }
+
         break;
+
       case 4:
         {
           // ROTATE
           var cx = 0;
-          var cy = 0;
-          // this prevents divide by zero
+          var cy = 0; // this prevents divide by zero
+
           if (xform.angle !== 0) {
             var K = 1 - m.a;
             cy = (K * m.f + m.b * m.e) / (K * K + m.b * m.b);
             cx = (m.e - m.b * cy) / K;
           }
+
           text = 'rotate(' + xform.angle + ' ' + cx + ',' + cy + ')';
           break;
         }
     }
+
     return text;
   }
-
   /**
    * Map of SVGTransformList objects.
    */
-  var listMap_ = {};
 
+
+  var listMap_ = {};
   /**
   * @interface module:SVGTransformList.SVGEditTransformList
   * @property {Integer} numberOfItems unsigned long
   */
+
   /**
   * @function module:SVGTransformList.SVGEditTransformList#clear
   * @returns {undefined}
   */
+
   /**
   * @function module:SVGTransformList.SVGEditTransformList#initialize
   * @param {SVGTransform} newItem
   * @returns {SVGTransform}
   */
+
   /**
   * (DOES NOT THROW DOMException, INDEX_SIZE_ERR)
   * @function module:SVGTransformList.SVGEditTransformList#getItem
   * @param {Integer} index unsigned long
   * @returns {SVGTransform}
   */
+
   /**
   * (DOES NOT THROW DOMException, INDEX_SIZE_ERR)
   * @function module:SVGTransformList.SVGEditTransformList#insertItemBefore
@@ -2584,6 +3059,7 @@
   * @param {Integer} index unsigned long
   * @returns {SVGTransform}
   */
+
   /**
   * (DOES NOT THROW DOMException, INDEX_SIZE_ERR)
   * @function module:SVGTransformList.SVGEditTransformList#replaceItem
@@ -2591,17 +3067,20 @@
   * @param {Integer} index unsigned long
   * @returns {SVGTransform}
   */
+
   /**
   * (DOES NOT THROW DOMException, INDEX_SIZE_ERR)
   * @function module:SVGTransformList.SVGEditTransformList#removeItem
   * @param {Integer} index unsigned long
   * @returns {SVGTransform}
   */
+
   /**
   * @function module:SVGTransformList.SVGEditTransformList#appendItem
   * @param {SVGTransform} newItem
   * @returns {SVGTransform}
   */
+
   /**
   * NOT IMPLEMENTED
   * @ignore
@@ -2609,6 +3088,7 @@
   * @param {SVGMatrix} matrix
   * @returns {SVGTransform}
   */
+
   /**
   * NOT IMPLEMENTED
   * @ignore
@@ -2622,41 +3102,51 @@
   * These methods also do not check that transforms are being inserted.  This is basically
   * implementing as much of SVGTransformList that we need to get the job done.
   */
-  var SVGTransformList = function () {
+
+  var SVGTransformList =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {Element} elem
     */
     function SVGTransformList(elem) {
-      classCallCheck(this, SVGTransformList);
+      _classCallCheck(this, SVGTransformList);
 
       this._elem = elem || null;
-      this._xforms = [];
-      // TODO: how do we capture the undo-ability in the changed transform list?
+      this._xforms = []; // TODO: how do we capture the undo-ability in the changed transform list?
+
       this._update = function () {
-        var tstr = '';
-        // /* const concatMatrix = */ svgroot.createSVGMatrix();
+        var tstr = ''; // /* const concatMatrix = */ svgroot.createSVGMatrix();
+
         for (var i = 0; i < this.numberOfItems; ++i) {
           var xform = this._list.getItem(i);
+
           tstr += transformToString(xform) + ' ';
         }
+
         this._elem.setAttribute('transform', tstr);
       };
+
       this._list = this;
+
       this._init = function () {
         var _this = this;
 
         // Transform attribute parser
         var str = this._elem.getAttribute('transform');
+
         if (!str) {
           return;
-        }
+        } // TODO: Add skew support in future
+
 
-        // TODO: Add skew support in future
         var re = /\s*((scale|matrix|rotate|translate)\s*\(.*?\))\s*,?\s*/;
         var m = true;
+
         while (m) {
           m = str.match(re);
           str = str.replace(re, '');
+
           if (m && m[1]) {
             (function () {
               var x = m[1];
@@ -2669,6 +3159,7 @@
               var mtx = svgroot.createSVGMatrix();
               Object.values(valArr).forEach(function (item, i) {
                 valArr[i] = parseFloat(item);
+
                 if (name === 'matrix') {
                   mtx[letters[i]] = valArr[i];
                 }
@@ -2684,19 +3175,24 @@
               } else if (name === 'rotate' && values.length === 1) {
                 values.push(0, 0);
               }
+
               xform[fname].apply(xform, values);
+
               _this._list.appendItem(xform);
             })();
           }
         }
       };
+
       this._removeFromOtherLists = function (item) {
         if (item) {
           // Check if this transform is already in a transformlist, and
           // remove it if so.
           var found = false;
+
           for (var id in listMap_) {
             var tl = listMap_[id];
+
             for (var i = 0, len = tl._xforms.length; i < len; ++i) {
               if (tl._xforms[i] === item) {
                 found = true;
@@ -2704,6 +3200,7 @@
                 break;
               }
             }
+
             if (found) {
               break;
             }
@@ -2718,26 +3215,26 @@
     */
 
 
-    createClass(SVGTransformList, [{
-      key: 'clear',
+    _createClass(SVGTransformList, [{
+      key: "clear",
       value: function clear() {
         this.numberOfItems = 0;
         this._xforms = [];
       }
-
       /**
       * @param {SVGTransform} newItem
       * @returns {SVGTransform}
       */
 
     }, {
-      key: 'initialize',
+      key: "initialize",
       value: function initialize(newItem) {
         this.numberOfItems = 1;
+
         this._removeFromOtherLists(newItem);
+
         this._xforms = [newItem];
       }
-
       /**
       * @param {Integer} index unsigned long
       * @throws {Error}
@@ -2745,16 +3242,16 @@
       */
 
     }, {
-      key: 'getItem',
+      key: "getItem",
       value: function getItem(index) {
         if (index < this.numberOfItems && index >= 0) {
           return this._xforms[index];
         }
+
         var err = new Error('DOMException with code=INDEX_SIZE_ERR');
         err.code = 1;
         throw err;
       }
-
       /**
       * @param {SVGTransform} newItem
       * @param {Integer} index unsigned long
@@ -2762,33 +3259,40 @@
       */
 
     }, {
-      key: 'insertItemBefore',
+      key: "insertItemBefore",
       value: function insertItemBefore(newItem, index) {
         var retValue = null;
+
         if (index >= 0) {
           if (index < this.numberOfItems) {
             this._removeFromOtherLists(newItem);
-            var newxforms = new Array(this.numberOfItems + 1);
-            // TODO: use array copying and slicing
-            var i = void 0;
+
+            var newxforms = new Array(this.numberOfItems + 1); // TODO: use array copying and slicing
+
+            var i;
+
             for (i = 0; i < index; ++i) {
               newxforms[i] = this._xforms[i];
             }
+
             newxforms[i] = newItem;
+
             for (var j = i + 1; i < this.numberOfItems; ++j, ++i) {
               newxforms[j] = this._xforms[i];
             }
+
             this.numberOfItems++;
             this._xforms = newxforms;
             retValue = newItem;
+
             this._list._update();
           } else {
             retValue = this._list.appendItem(newItem);
           }
         }
+
         return retValue;
       }
-
       /**
       * @param {SVGTransform} newItem
       * @param {Integer} index unsigned long
@@ -2796,18 +3300,21 @@
       */
 
     }, {
-      key: 'replaceItem',
+      key: "replaceItem",
       value: function replaceItem(newItem, index) {
         var retValue = null;
+
         if (index < this.numberOfItems && index >= 0) {
           this._removeFromOtherLists(newItem);
+
           this._xforms[index] = newItem;
           retValue = newItem;
+
           this._list._update();
         }
+
         return retValue;
       }
-
       /**
       * @param {Integer} index unsigned long
       * @throws {Error}
@@ -2815,66 +3322,75 @@
       */
 
     }, {
-      key: 'removeItem',
+      key: "removeItem",
       value: function removeItem(index) {
         if (index < this.numberOfItems && index >= 0) {
           var retValue = this._xforms[index];
           var newxforms = new Array(this.numberOfItems - 1);
-          var i = void 0;
+          var i;
+
           for (i = 0; i < index; ++i) {
             newxforms[i] = this._xforms[i];
           }
+
           for (var j = i; j < this.numberOfItems - 1; ++j, ++i) {
             newxforms[j] = this._xforms[i + 1];
           }
+
           this.numberOfItems--;
           this._xforms = newxforms;
+
           this._list._update();
+
           return retValue;
         }
+
         var err = new Error('DOMException with code=INDEX_SIZE_ERR');
         err.code = 1;
         throw err;
       }
-
       /**
       * @param {SVGTransform} newItem
       * @returns {SVGTransform}
       */
 
     }, {
-      key: 'appendItem',
+      key: "appendItem",
       value: function appendItem(newItem) {
         this._removeFromOtherLists(newItem);
+
         this._xforms.push(newItem);
+
         this.numberOfItems++;
+
         this._list._update();
+
         return newItem;
       }
     }]);
+
     return SVGTransformList;
   }();
-
   /**
   * @function module:SVGTransformList.resetListMap
   * @returns {undefined}
   */
+
   var resetListMap = function resetListMap() {
     listMap_ = {};
   };
-
   /**
    * Removes transforms of the given element from the map.
    * @function module:SVGTransformList.removeElementFromListMap
    * @param {Element} elem - a DOM Element
    * @returns {undefined}
    */
+
   var removeElementFromListMap = function removeElementFromListMap(elem) {
     if (elem.id && listMap_[elem.id]) {
       delete listMap_[elem.id];
     }
   };
-
   /**
   * Returns an object that behaves like a `SVGTransformList` for the given DOM element
   * @function module:SVGTransformList.getTransformList
@@ -2882,23 +3398,31 @@
   * @todo The polyfill should have `SVGAnimatedTransformList` and this should use it
   * @returns {SVGAnimatedTransformList|SVGTransformList}
   */
+
   var getTransformList = function getTransformList(elem) {
     if (!supportsNativeTransformLists()) {
       var id = elem.id || 'temp';
       var t = listMap_[id];
+
       if (!t || id === 'temp') {
         listMap_[id] = new SVGTransformList(elem);
+
         listMap_[id]._init();
+
         t = listMap_[id];
       }
+
       return t;
     }
+
     if (elem.transform) {
       return elem.transform.baseVal;
     }
+
     if (elem.gradientTransform) {
       return elem.gradientTransform.baseVal;
     }
+
     if (elem.patternTransform) {
       return elem.patternTransform.baseVal;
     }
@@ -2913,11 +3437,10 @@
    *
    * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller
    */
-
   var wAttrs = ['x', 'x1', 'cx', 'rx', 'width'];
   var hAttrs = ['y', 'y1', 'cy', 'ry', 'height'];
-  var unitAttrs = ['r', 'radius'].concat(wAttrs, hAttrs);
-  // unused
+  var unitAttrs = ['r', 'radius'].concat(wAttrs, hAttrs); // unused
+
   /*
   const unitNumMap = {
     '%': 2,
@@ -2932,30 +3455,34 @@
   };
   */
   // Container of elements.
-  var elementContainer_ = void 0;
 
-  // Stores mapping of unit type to user coordinates.
+  var elementContainer_; // Stores mapping of unit type to user coordinates.
+
   var typeMap_ = {};
-
   /**
    * @interface module:units.ElementContainer
    */
+
   /**
    * @function module:units.ElementContainer#getBaseUnit
    * @returns {string} The base unit type of the container ('em')
    */
+
   /**
    * @function module:units.ElementContainer#getElement
    * @returns {Element} An element in the container given an id
    */
+
   /**
    * @function module:units.ElementContainer#getHeight
    * @returns {Float} The container's height
    */
+
   /**
    * @function module:units.ElementContainer#getWidth
    * @returns {Float} The container's width
    */
+
   /**
    * @function module:units.ElementContainer#getRoundDigits
    * @returns {Integer} The number of digits number should be rounded to
@@ -2981,10 +3508,10 @@
    * @param {module:units.ElementContainer} elementContainer - An object implementing the ElementContainer interface.
    * @returns {undefined}
    */
-  var init = function init(elementContainer) {
-    elementContainer_ = elementContainer;
 
-    // Get correct em/ex values by creating a temporary SVG.
+  var init = function init(elementContainer) {
+    elementContainer_ = elementContainer; // Get correct em/ex values by creating a temporary SVG.
+
     var svg = document.createElementNS(NS.SVG, 'svg');
     document.body.append(svg);
     var rect = document.createElementNS(NS.SVG, 'rect');
@@ -2994,7 +3521,6 @@
     svg.append(rect);
     var bb = rect.getBBox();
     svg.remove();
-
     var inch = bb.x;
     typeMap_ = {
       em: bb.width,
@@ -3008,7 +3534,6 @@
       '%': 0
     };
   };
-
   /**
   * Group: Unit conversion functions
   */
@@ -3017,10 +3542,10 @@
    * @function module:units.getTypeMap
    * @returns {module:units.TypeMap} The unit object with values for each unit
   */
+
   var getTypeMap = function getTypeMap() {
     return typeMap_;
   };
-
   /**
   * @typedef {GenericArray} module:units.CompareNumbers
   * @property {Integer} length 2
@@ -3037,31 +3562,34 @@
   * @returns {Float|string} If a string/number was given, returns a Float. If an array, return a string
   * with comma-separated floats
   */
+
   var shortFloat = function shortFloat(val) {
     var digits = elementContainer_.getRoundDigits();
+
     if (!isNaN(val)) {
       // Note that + converts to Number
       return +(+val).toFixed(digits);
     }
+
     if (Array.isArray(val)) {
       return shortFloat(val[0]) + ',' + shortFloat(val[1]);
     }
+
     return parseFloat(val).toFixed(digits) - 0;
   };
-
   /**
   * Converts the number to given unit or baseUnit
   * @function module:units.convertUnit
   * @returns {Float}
   */
+
   var convertUnit = function convertUnit(val, unit) {
-    unit = unit || elementContainer_.getBaseUnit();
-    // baseVal.convertToSpecifiedUnits(unitNumMap[unit]);
+    unit = unit || elementContainer_.getBaseUnit(); // baseVal.convertToSpecifiedUnits(unitNumMap[unit]);
     // const val = baseVal.valueInSpecifiedUnits;
     // baseVal.convertToSpecifiedUnits(1);
+
     return shortFloat(val / typeMap_[unit]);
   };
-
   /**
   * Sets an element's attribute based on the unit in its current value.
   *
@@ -3071,11 +3599,11 @@
   * @param {string} val - Attribute value to convert
   * @returns {undefined}
   */
+
   var setUnitAttr = function setUnitAttr(elem, attr, val) {
     //  if (!isNaN(val)) {
     // New value is a number, so check currently used unit
     // const oldVal = elem.getAttribute(attr);
-
     // Enable this for alternate mode
     // if (oldVal !== null && (isNaN(oldVal) || elementContainer_.getBaseUnit() !== 'px')) {
     //   // Old value was a number, so get unit, then convert
@@ -3105,7 +3633,6 @@
     // }
     elem.setAttribute(attr, val);
   };
-
   /**
   * Converts given values to numbers. Attributes must be supplied in
   * case a percentage is given
@@ -3115,31 +3642,36 @@
   * @param {string} val - Attribute value to convert
   * @returns {Float} The converted number
   */
+
   var convertToNum = function convertToNum(attr, val) {
     // Return a number if that's what it already is
     if (!isNaN(val)) {
       return val - 0;
     }
+
     if (val.substr(-1) === '%') {
       // Deal with percentage, depends on attribute
       var _num = val.substr(0, val.length - 1) / 100;
+
       var width = elementContainer_.getWidth();
       var height = elementContainer_.getHeight();
 
       if (wAttrs.includes(attr)) {
         return _num * width;
       }
+
       if (hAttrs.includes(attr)) {
         return _num * height;
       }
+
       return _num * Math.sqrt(width * width + height * height) / Math.sqrt(2);
     }
+
     var unit = val.substr(-2);
-    var num = val.substr(0, val.length - 2);
-    // Note that this multiplication turns the string into a number
+    var num = val.substr(0, val.length - 2); // Note that this multiplication turns the string into a number
+
     return num * typeMap_[unit];
   };
-
   /**
   * Check if an attribute's value is in a valid format
   * @function module:units.isValidUnit
@@ -3147,67 +3679,65 @@
   * @param {string} val - The attribute value to check
   * @returns {boolean} Whether the unit is valid
   */
+
   var isValidUnit = function isValidUnit(attr, val, selectedElement) {
     if (unitAttrs.includes(attr)) {
       // True if it's just a number
       if (!isNaN(val)) {
         return true;
-      }
-      // Not a number, check if it has a valid unit
+      } // Not a number, check if it has a valid unit
+
+
       val = val.toLowerCase();
       return Object.keys(typeMap_).some(function (unit) {
         var re = new RegExp('^-?[\\d\\.]+' + unit + '$');
         return re.test(val);
       });
     }
+
     if (attr === 'id') {
       // if we're trying to change the id, make sure it's not already present in the doc
       // and the id value is valid.
-
-      var result = false;
-      // because getElem() can throw an exception in the case of an invalid id
+      var result = false; // because getElem() can throw an exception in the case of an invalid id
       // (according to https://www.w3.org/TR/xml-id/ IDs must be a NCName)
       // we wrap it in an exception and only return true if the ID was valid and
       // not already present
+
       try {
         var elem = elementContainer_.getElement(val);
         result = elem == null || elem === selectedElement;
       } catch (e) {}
+
       return result;
     }
+
     return true;
   };
 
-  /**
-   * For command history tracking and undo functionality
-   * @module history
-   * @license MIT
-   * @copyright 2010 Jeff Schiller
-   */
-
   /**
   * Group: Undo/Redo history management
   */
+
   var HistoryEventTypes = {
     BEFORE_APPLY: 'before_apply',
     AFTER_APPLY: 'after_apply',
     BEFORE_UNAPPLY: 'before_unapply',
     AFTER_UNAPPLY: 'after_unapply'
-  };
-
-  // const removedElements = {};
+  }; // const removedElements = {};
 
   /**
   * Base class for commands
   */
 
-  var Command = function () {
+  var Command =
+  /*#__PURE__*/
+  function () {
     function Command() {
-      classCallCheck(this, Command);
+      _classCallCheck(this, Command);
     }
 
-    createClass(Command, [{
-      key: 'getText',
+    _createClass(Command, [{
+      key: "getText",
 
       /**
       * @returns {string}
@@ -3216,10 +3746,9 @@
         return this.text;
       }
     }]);
-    return Command;
-  }();
 
-  // Todo: Figure out why the interface members aren't showing
+    return Command;
+  }(); // Todo: Figure out why the interface members aren't showing
   //   up (with or without modules applied), despite our apparently following
   //   http://usejsdoc.org/tags-interface.html#virtual-comments
 
@@ -3227,6 +3756,7 @@
    * An interface that all command objects must implement.
    * @interface module:history.HistoryCommand
   */
+
   /**
    * Applies
    *
@@ -3235,6 +3765,7 @@
    * @fires module:history~Command#event:history
    * @returns {undefined|true}
    */
+
   /**
    *
    * Unapplies
@@ -3243,21 +3774,25 @@
    * @fires module:history~Command#event:history
    * @returns {undefined|true}
    */
+
   /**
    * Returns the elements
    * @function module:history.HistoryCommand#elements
    * @returns {Element[]}
    */
+
   /**
    * Gets the text
    * @function module:history.HistoryCommand#getText
    * @returns {string}
    */
+
   /**
    * Gives the type
    * @function module:history.HistoryCommand.type
    * @returns {string}
    */
+
   /**
    * Gives the type
    * @function module:history.HistoryCommand#type
@@ -3273,6 +3808,7 @@
    * An interface for objects that will handle history events.
    * @interface module:history.HistoryEventHandler
    */
+
   /**
    *
    * @function module:history.HistoryEventHandler#handleHistoryEvent
@@ -3293,14 +3829,17 @@
   */
 
 
-  var MoveElementCommand = function (_Command) {
-    inherits(MoveElementCommand, _Command);
+  var MoveElementCommand =
+  /*#__PURE__*/
+  function (_Command) {
+    _inherits(MoveElementCommand, _Command);
 
     function MoveElementCommand(elem, oldNextSibling, oldParent, text) {
-      classCallCheck(this, MoveElementCommand);
+      var _this;
 
-      var _this = possibleConstructorReturn(this, (MoveElementCommand.__proto__ || Object.getPrototypeOf(MoveElementCommand)).call(this));
+      _classCallCheck(this, MoveElementCommand);
 
+      _this = _possibleConstructorReturn(this, _getPrototypeOf(MoveElementCommand).call(this));
       _this.elem = elem;
       _this.text = text ? 'Move ' + elem.tagName + ' to ' + text : 'Move ' + elem.tagName;
       _this.oldNextSibling = oldNextSibling;
@@ -3310,12 +3849,11 @@
       return _this;
     }
 
-    createClass(MoveElementCommand, [{
-      key: 'type',
+    _createClass(MoveElementCommand, [{
+      key: "type",
       value: function type() {
         return 'svgedit.history.MoveElementCommand';
       }
-
       /**
        * Re-positions the element
        * @param {module:history.HistoryEventHandler} handler
@@ -3324,7 +3862,7 @@
       */
 
     }, {
-      key: 'apply',
+      key: "apply",
       value: function apply(handler) {
         // TODO(codedread): Refactor this common event code into a base HistoryCommand class.
         if (handler) {
@@ -3337,7 +3875,6 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);
         }
       }
-
       /**
        * Positions the element back to its original location
        * @param {module:history.HistoryEventHandler} handler
@@ -3346,7 +3883,7 @@
       */
 
     }, {
-      key: 'unapply',
+      key: "unapply",
       value: function unapply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
@@ -3358,21 +3895,20 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);
         }
       }
-
       /**
       * @returns {Element[]} Array with element associated with this command
       */
 
     }, {
-      key: 'elements',
+      key: "elements",
       value: function elements() {
         return [this.elem];
       }
     }]);
+
     return MoveElementCommand;
   }(Command);
   MoveElementCommand.type = MoveElementCommand.prototype.type;
-
   /**
   * History command for an element that was added to the DOM
   * @implements {module:history.HistoryCommand}
@@ -3380,14 +3916,18 @@
   * @param {Element} elem - The newly added DOM element
   * @param {string} text - An optional string visible to user related to this change
   */
-  var InsertElementCommand = function (_Command2) {
-    inherits(InsertElementCommand, _Command2);
+
+  var InsertElementCommand =
+  /*#__PURE__*/
+  function (_Command2) {
+    _inherits(InsertElementCommand, _Command2);
 
     function InsertElementCommand(elem, text) {
-      classCallCheck(this, InsertElementCommand);
+      var _this2;
 
-      var _this2 = possibleConstructorReturn(this, (InsertElementCommand.__proto__ || Object.getPrototypeOf(InsertElementCommand)).call(this));
+      _classCallCheck(this, InsertElementCommand);
 
+      _this2 = _possibleConstructorReturn(this, _getPrototypeOf(InsertElementCommand).call(this));
       _this2.elem = elem;
       _this2.text = text || 'Create ' + elem.tagName;
       _this2.parent = elem.parentNode;
@@ -3395,12 +3935,11 @@
       return _this2;
     }
 
-    createClass(InsertElementCommand, [{
-      key: 'type',
+    _createClass(InsertElementCommand, [{
+      key: "type",
       value: function type() {
         return 'svgedit.history.InsertElementCommand';
       }
-
       /**
       * Re-inserts the new element
       * @param {module:history.HistoryEventHandler} handler
@@ -3409,7 +3948,7 @@
       */
 
     }, {
-      key: 'apply',
+      key: "apply",
       value: function apply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);
@@ -3421,7 +3960,6 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);
         }
       }
-
       /**
       * Removes the element
       * @param {module:history.HistoryEventHandler} handler
@@ -3430,7 +3968,7 @@
       */
 
     }, {
-      key: 'unapply',
+      key: "unapply",
       value: function unapply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
@@ -3443,21 +3981,20 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);
         }
       }
-
       /**
       * @returns {Element[]} Array with element associated with this command
       */
 
     }, {
-      key: 'elements',
+      key: "elements",
       value: function elements() {
         return [this.elem];
       }
     }]);
+
     return InsertElementCommand;
   }(Command);
   InsertElementCommand.type = InsertElementCommand.prototype.type;
-
   /**
   * History command for an element removed from the DOM
   * @implements {module:history.HistoryCommand}
@@ -3466,30 +4003,32 @@
   * @param {Element} oldParent - The DOM element's parent
   * @param {string} [text] - An optional string visible to user related to this change
   */
-  var RemoveElementCommand = function (_Command3) {
-    inherits(RemoveElementCommand, _Command3);
+
+  var RemoveElementCommand =
+  /*#__PURE__*/
+  function (_Command3) {
+    _inherits(RemoveElementCommand, _Command3);
 
     function RemoveElementCommand(elem, oldNextSibling, oldParent, text) {
-      classCallCheck(this, RemoveElementCommand);
+      var _this3;
 
-      var _this3 = possibleConstructorReturn(this, (RemoveElementCommand.__proto__ || Object.getPrototypeOf(RemoveElementCommand)).call(this));
+      _classCallCheck(this, RemoveElementCommand);
 
+      _this3 = _possibleConstructorReturn(this, _getPrototypeOf(RemoveElementCommand).call(this));
       _this3.elem = elem;
       _this3.text = text || 'Delete ' + elem.tagName;
       _this3.nextSibling = oldNextSibling;
-      _this3.parent = oldParent;
+      _this3.parent = oldParent; // special hack for webkit: remove this element's entry in the svgTransformLists map
 
-      // special hack for webkit: remove this element's entry in the svgTransformLists map
       removeElementFromListMap(elem);
       return _this3;
     }
 
-    createClass(RemoveElementCommand, [{
-      key: 'type',
+    _createClass(RemoveElementCommand, [{
+      key: "type",
       value: function type() {
         return 'svgedit.history.RemoveElementCommand';
       }
-
       /**
       * Re-removes the new element
       * @param {module:history.HistoryEventHandler} handler
@@ -3498,7 +4037,7 @@
       */
 
     }, {
-      key: 'apply',
+      key: "apply",
       value: function apply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);
@@ -3512,7 +4051,6 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);
         }
       }
-
       /**
       * Re-adds the new element
       * @param {module:history.HistoryEventHandler} handler
@@ -3521,42 +4059,44 @@
       */
 
     }, {
-      key: 'unapply',
+      key: "unapply",
       value: function unapply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
         }
 
         removeElementFromListMap(this.elem);
+
         if (this.nextSibling == null) {
           if (window.console) {
             console.log('Error: reference element was lost');
           }
         }
+
         this.parent.insertBefore(this.elem, this.nextSibling); // Don't use `before` or `prepend` as `this.nextSibling` may be `null`
 
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);
         }
       }
-
       /**
       * @returns {Element[]} Array with element associated with this command
       */
 
     }, {
-      key: 'elements',
+      key: "elements",
       value: function elements() {
         return [this.elem];
       }
     }]);
+
     return RemoveElementCommand;
   }(Command);
   RemoveElementCommand.type = RemoveElementCommand.prototype.type;
-
   /**
   * @typedef {"#text"|"#href"|string} module:history.CommandAttributeName
   */
+
   /**
   * @typedef {PlainObject.<module:history.CommandAttributeName, string>} module:history.CommandAttributes
   */
@@ -3569,18 +4109,23 @@
   * @param {module:history.CommandAttributes} attrs - Attributes to be changed with the values they had *before* the change
   * @param {string} text - An optional string visible to user related to this change
   */
-  var ChangeElementCommand = function (_Command4) {
-    inherits(ChangeElementCommand, _Command4);
+
+  var ChangeElementCommand =
+  /*#__PURE__*/
+  function (_Command4) {
+    _inherits(ChangeElementCommand, _Command4);
 
     function ChangeElementCommand(elem, attrs, text) {
-      classCallCheck(this, ChangeElementCommand);
+      var _this4;
 
-      var _this4 = possibleConstructorReturn(this, (ChangeElementCommand.__proto__ || Object.getPrototypeOf(ChangeElementCommand)).call(this));
+      _classCallCheck(this, ChangeElementCommand);
 
+      _this4 = _possibleConstructorReturn(this, _getPrototypeOf(ChangeElementCommand).call(this));
       _this4.elem = elem;
       _this4.text = text ? 'Change ' + elem.tagName + ' ' + text : 'Change ' + elem.tagName;
       _this4.newValues = {};
       _this4.oldValues = attrs;
+
       for (var attr in attrs) {
         if (attr === '#text') {
           _this4.newValues[attr] = elem.textContent;
@@ -3590,15 +4135,15 @@
           _this4.newValues[attr] = elem.getAttribute(attr);
         }
       }
+
       return _this4;
     }
 
-    createClass(ChangeElementCommand, [{
-      key: 'type',
+    _createClass(ChangeElementCommand, [{
+      key: "type",
       value: function type() {
         return 'svgedit.history.ChangeElementCommand';
       }
-
       /**
       * Performs the stored change action
       * @param {module:history.HistoryEventHandler} handler
@@ -3607,13 +4152,14 @@
       */
 
     }, {
-      key: 'apply',
+      key: "apply",
       value: function apply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);
         }
 
         var bChangedTransform = false;
+
         for (var attr in this.newValues) {
           if (this.newValues[attr]) {
             if (attr === '#text') {
@@ -3635,16 +4181,18 @@
           if (attr === 'transform') {
             bChangedTransform = true;
           }
-        }
+        } // relocate rotational transform, if necessary
+
 
-        // relocate rotational transform, if necessary
         if (!bChangedTransform) {
           var angle = getRotationAngle(this.elem);
+
           if (angle) {
             var bbox = this.elem.getBBox();
             var cx = bbox.x + bbox.width / 2,
                 cy = bbox.y + bbox.height / 2;
             var rotate = ['rotate(', angle, ' ', cx, ',', cy, ')'].join('');
+
             if (rotate !== this.elem.getAttribute('transform')) {
               this.elem.setAttribute('transform', rotate);
             }
@@ -3657,7 +4205,6 @@
 
         return true;
       }
-
       /**
       * Reverses the stored change action
       * @param {module:history.HistoryEventHandler} handler
@@ -3666,13 +4213,14 @@
       */
 
     }, {
-      key: 'unapply',
+      key: "unapply",
       value: function unapply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
         }
 
         var bChangedTransform = false;
+
         for (var attr in this.oldValues) {
           if (this.oldValues[attr]) {
             if (attr === '#text') {
@@ -3689,25 +4237,29 @@
               this.elem.removeAttribute(attr);
             }
           }
+
           if (attr === 'transform') {
             bChangedTransform = true;
           }
-        }
-        // relocate rotational transform, if necessary
+        } // relocate rotational transform, if necessary
+
+
         if (!bChangedTransform) {
           var angle = getRotationAngle(this.elem);
+
           if (angle) {
             var bbox = this.elem.getBBox();
             var cx = bbox.x + bbox.width / 2,
                 cy = bbox.y + bbox.height / 2;
             var rotate = ['rotate(', angle, ' ', cx, ',', cy, ')'].join('');
+
             if (rotate !== this.elem.getAttribute('transform')) {
               this.elem.setAttribute('transform', rotate);
             }
           }
-        }
+        } // Remove transformlist to prevent confusion that causes bugs like 575.
+
 
-        // Remove transformlist to prevent confusion that causes bugs like 575.
         removeElementFromListMap(this.elem);
 
         if (handler) {
@@ -3716,22 +4268,20 @@
 
         return true;
       }
-
       /**
       * @returns {Element[]} Array with element associated with this command
       */
 
     }, {
-      key: 'elements',
+      key: "elements",
       value: function elements() {
         return [this.elem];
       }
     }]);
+
     return ChangeElementCommand;
   }(Command);
-  ChangeElementCommand.type = ChangeElementCommand.prototype.type;
-
-  // TODO: create a 'typing' command object that tracks changes in text
+  ChangeElementCommand.type = ChangeElementCommand.prototype.type; // TODO: create a 'typing' command object that tracks changes in text
   // if a new Typing command is created and the top command on the stack is also a Typing
   // and they both affect the same element, then collapse the two commands into one
 
@@ -3739,28 +4289,31 @@
   * History command that can contain/execute multiple other commands
   * @implements {module:history.HistoryCommand}
   */
-  var BatchCommand = function (_Command5) {
-    inherits(BatchCommand, _Command5);
+
+  var BatchCommand =
+  /*#__PURE__*/
+  function (_Command5) {
+    _inherits(BatchCommand, _Command5);
 
     /**
     * @param {string} [text] - An optional string visible to user related to this change
     */
     function BatchCommand(text) {
-      classCallCheck(this, BatchCommand);
+      var _this5;
 
-      var _this5 = possibleConstructorReturn(this, (BatchCommand.__proto__ || Object.getPrototypeOf(BatchCommand)).call(this));
+      _classCallCheck(this, BatchCommand);
 
+      _this5 = _possibleConstructorReturn(this, _getPrototypeOf(BatchCommand).call(this));
       _this5.text = text || 'Batch Command';
       _this5.stack = [];
       return _this5;
     }
 
-    createClass(BatchCommand, [{
-      key: 'type',
+    _createClass(BatchCommand, [{
+      key: "type",
       value: function type() {
         return 'svgedit.history.BatchCommand';
       }
-
       /**
       * Runs "apply" on all subcommands
       * @param {module:history.HistoryEventHandler} handler
@@ -3769,13 +4322,14 @@
       */
 
     }, {
-      key: 'apply',
+      key: "apply",
       value: function apply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);
         }
 
         var len = this.stack.length;
+
         for (var i = 0; i < len; ++i) {
           this.stack[i].apply(handler);
         }
@@ -3784,7 +4338,6 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);
         }
       }
-
       /**
       * Runs "unapply" on all subcommands
       * @param {module:history.HistoryEventHandler} handler
@@ -3793,7 +4346,7 @@
       */
 
     }, {
-      key: 'unapply',
+      key: "unapply",
       value: function unapply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
@@ -3807,155 +4360,149 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);
         }
       }
-
       /**
       * Iterate through all our subcommands
       * @returns {Element[]} All the elements we are changing
       */
 
     }, {
-      key: 'elements',
+      key: "elements",
       value: function elements() {
         var elems = [];
         var cmd = this.stack.length;
+
         while (cmd--) {
           var thisElems = this.stack[cmd].elements();
           var elem = thisElems.length;
+
           while (elem--) {
             if (!elems.includes(thisElems[elem])) {
               elems.push(thisElems[elem]);
             }
           }
         }
+
         return elems;
       }
-
       /**
       * Adds a given command to the history stack
       * @param {Command} cmd - The undo command object to add
       */
 
     }, {
-      key: 'addSubCommand',
+      key: "addSubCommand",
       value: function addSubCommand(cmd) {
         this.stack.push(cmd);
       }
-
       /**
       * @returns {boolean} Indicates whether or not the batch command is empty
       */
 
     }, {
-      key: 'isEmpty',
+      key: "isEmpty",
       value: function isEmpty() {
         return !this.stack.length;
       }
     }]);
+
     return BatchCommand;
   }(Command);
   BatchCommand.type = BatchCommand.prototype.type;
-
   /**
   *
   */
-  var UndoManager = function () {
+
+  var UndoManager =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {module:history.HistoryEventHandler} historyEventHandler
     */
     function UndoManager(historyEventHandler) {
-      classCallCheck(this, UndoManager);
+      _classCallCheck(this, UndoManager);
 
       this.handler_ = historyEventHandler || null;
       this.undoStackPointer = 0;
-      this.undoStack = [];
-
-      // this is the stack that stores the original values, the elements and
+      this.undoStack = []; // this is the stack that stores the original values, the elements and
       // the attribute name for begin/finish
+
       this.undoChangeStackPointer = -1;
       this.undoableChangeStack = [];
     }
-
     /**
     * Resets the undo stack, effectively clearing the undo/redo history
     * @returns {undefined}
     */
 
 
-    createClass(UndoManager, [{
-      key: 'resetUndoStack',
+    _createClass(UndoManager, [{
+      key: "resetUndoStack",
       value: function resetUndoStack() {
         this.undoStack = [];
         this.undoStackPointer = 0;
       }
-
       /**
       * @returns {Integer} Current size of the undo history stack
       */
 
     }, {
-      key: 'getUndoStackSize',
+      key: "getUndoStackSize",
       value: function getUndoStackSize() {
         return this.undoStackPointer;
       }
-
       /**
       * @returns {Integer} Current size of the redo history stack
       */
 
     }, {
-      key: 'getRedoStackSize',
+      key: "getRedoStackSize",
       value: function getRedoStackSize() {
         return this.undoStack.length - this.undoStackPointer;
       }
-
       /**
       * @returns {string} String associated with the next undo command
       */
 
     }, {
-      key: 'getNextUndoCommandText',
+      key: "getNextUndoCommandText",
       value: function getNextUndoCommandText() {
         return this.undoStackPointer > 0 ? this.undoStack[this.undoStackPointer - 1].getText() : '';
       }
-
       /**
       * @returns {string} String associated with the next redo command
       */
 
     }, {
-      key: 'getNextRedoCommandText',
+      key: "getNextRedoCommandText",
       value: function getNextRedoCommandText() {
         return this.undoStackPointer < this.undoStack.length ? this.undoStack[this.undoStackPointer].getText() : '';
       }
-
       /**
       * Performs an undo step
       * @returns {undefined}
       */
 
     }, {
-      key: 'undo',
+      key: "undo",
       value: function undo() {
         if (this.undoStackPointer > 0) {
           var cmd = this.undoStack[--this.undoStackPointer];
           cmd.unapply(this.handler_);
         }
       }
-
       /**
       * Performs a redo step
       * @returns {undefined}
       */
 
     }, {
-      key: 'redo',
+      key: "redo",
       value: function redo() {
         if (this.undoStackPointer < this.undoStack.length && this.undoStack.length > 0) {
           var cmd = this.undoStack[this.undoStackPointer++];
           cmd.apply(this.handler_);
         }
       }
-
       /**
       * Adds a command object to the undo history stack
       * @param {Command} cmd - The command object to add
@@ -3963,22 +4510,21 @@
       */
 
     }, {
-      key: 'addCommandToHistory',
+      key: "addCommandToHistory",
       value: function addCommandToHistory(cmd) {
         // FIXME: we MUST compress consecutive text changes to the same element
         // (right now each keystroke is saved as a separate command that includes the
         // entire text contents of the text element)
         // TODO: consider limiting the history that we store here (need to do some slicing)
-
         // if our stack pointer is not at the end, then we have to remove
         // all commands after the pointer and insert the new command
         if (this.undoStackPointer < this.undoStack.length && this.undoStack.length > 0) {
           this.undoStack = this.undoStack.splice(0, this.undoStackPointer);
         }
+
         this.undoStack.push(cmd);
         this.undoStackPointer = this.undoStack.length;
       }
-
       /**
       * This function tells the canvas to remember the old values of the
       * `attrName` attribute for each element sent in.  The elements and values
@@ -3991,27 +4537,30 @@
       */
 
     }, {
-      key: 'beginUndoableChange',
+      key: "beginUndoableChange",
       value: function beginUndoableChange(attrName, elems) {
         var p = ++this.undoChangeStackPointer;
         var i = elems.length;
         var oldValues = new Array(i),
             elements = new Array(i);
+
         while (i--) {
           var elem = elems[i];
+
           if (elem == null) {
             continue;
           }
+
           elements[i] = elem;
           oldValues[i] = elem.getAttribute(attrName);
         }
+
         this.undoableChangeStack[p] = {
           attrName: attrName,
           oldValues: oldValues,
           elements: elements
         };
       }
-
       /**
       * This function returns a `BatchCommand` object which summarizes the
       * change since `beginUndoableChange` was called.  The command can then
@@ -4020,29 +4569,34 @@
       */
 
     }, {
-      key: 'finishUndoableChange',
+      key: "finishUndoableChange",
       value: function finishUndoableChange() {
         var p = this.undoChangeStackPointer--;
         var changeset = this.undoableChangeStack[p];
         var attrName = changeset.attrName;
-
         var batchCmd = new BatchCommand('Change ' + attrName);
         var i = changeset.elements.length;
+
         while (i--) {
           var elem = changeset.elements[i];
+
           if (elem == null) {
             continue;
           }
+
           var changes = {};
           changes[attrName] = changeset.oldValues[i];
+
           if (changes[attrName] !== elem.getAttribute(attrName)) {
             batchCmd.addSubCommand(new ChangeElementCommand(elem, changes, attrName));
           }
         }
+
         this.undoableChangeStack[p] = null;
         return batchCmd;
       }
     }]);
+
     return UndoManager;
   }();
 
@@ -4064,12 +4618,9 @@
    * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller
    */
 
-  // Constants
-  var NEAR_ZERO = 1e-14;
+  var NEAR_ZERO = 1e-14; // Throw away SVGSVGElement used for creating matrices/transforms.
 
-  // Throw away SVGSVGElement used for creating matrices/transforms.
   var svg$1 = document.createElementNS(NS.SVG, 'svg');
-
   /**
    * A (hopefully) quicker function to transform a point by a matrix
    * (this function avoids any DOM calls and just does the math)
@@ -4079,10 +4630,13 @@
    * @param {SVGMatrix} m - Matrix object to transform the point with
    * @returns {module:math.XYObject} An x, y object representing the transformed point
   */
-  var transformPoint = function transformPoint(x, y, m) {
-    return { x: m.a * x + m.c * y + m.e, y: m.b * x + m.d * y + m.f };
-  };
 
+  var transformPoint = function transformPoint(x, y, m) {
+    return {
+      x: m.a * x + m.c * y + m.e,
+      y: m.b * x + m.d * y + m.f
+    };
+  };
   /**
    * Helper function to check if the matrix performs no actual transform
    * (i.e. exists for identity purposes)
@@ -4090,10 +4644,10 @@
    * @param {SVGMatrix} m - The matrix object to check
    * @returns {boolean} Indicates whether or not the matrix is 1,0,0,1,0,0
   */
+
   var isIdentity = function isIdentity(m) {
     return m.a === 1 && m.b === 0 && m.c === 0 && m.d === 1 && m.e === 0 && m.f === 0;
   };
-
   /**
    * This function tries to return a `SVGMatrix` that is the multiplication `m1 * m2`.
    * We also round to zero when it's near zero
@@ -4101,8 +4655,9 @@
    * @param {...SVGMatrix} args - Matrix objects to multiply
    * @returns {SVGMatrix} The matrix object resulting from the calculation
   */
+
   var matrixMultiply = function matrixMultiply() {
-    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
       args[_key] = arguments[_key];
     }
 
@@ -4113,45 +4668,46 @@
     if (Math.abs(m.a) < NEAR_ZERO) {
       m.a = 0;
     }
+
     if (Math.abs(m.b) < NEAR_ZERO) {
       m.b = 0;
     }
+
     if (Math.abs(m.c) < NEAR_ZERO) {
       m.c = 0;
     }
+
     if (Math.abs(m.d) < NEAR_ZERO) {
       m.d = 0;
     }
+
     if (Math.abs(m.e) < NEAR_ZERO) {
       m.e = 0;
     }
+
     if (Math.abs(m.f) < NEAR_ZERO) {
       m.f = 0;
     }
 
     return m;
   };
-
-  /**
-   * See if the given transformlist includes a non-indentity matrix transform
-   * @function module:math.hasMatrixTransform
-   * @param {SVGTransformList} [tlist] - The transformlist to check
-   * @returns {boolean} Whether or not a matrix transform was found
-  */
   var hasMatrixTransform = function hasMatrixTransform(tlist) {
     if (!tlist) {
       return false;
     }
+
     var num = tlist.numberOfItems;
+
     while (num--) {
       var xform = tlist.getItem(num);
+
       if (xform.type === 1 && !isIdentity(xform.matrix)) {
         return true;
       }
     }
+
     return false;
   };
-
   /**
   * @typedef {PlainObject} module:math.TransformedBox An object with the following values
   * @property {module:math.XYObject} tl - The top left coordinate
@@ -4175,6 +4731,7 @@
    * @param {SVGMatrix} m - Matrix object to transform the box by
    * @returns {module:math.TransformedBox}
   */
+
   var transformBox = function transformBox(l, t, w, h, m) {
     var tl = transformPoint(l, t, m),
         tr = transformPoint(l + w, t, m),
@@ -4184,7 +4741,6 @@
         maxx = Math.max(tl.x, tr.x, bl.x, br.x),
         miny = Math.min(tl.y, tr.y, bl.y, br.y),
         maxy = Math.max(tl.y, tr.y, bl.y, br.y);
-
     return {
       tl: tl,
       tr: tr,
@@ -4198,7 +4754,6 @@
       }
     };
   };
-
   /**
    * This returns a single matrix Transform for a given Transform List
    * (this is the equivalent of `SVGTransformList.consolidate()` but unlike
@@ -4211,38 +4766,45 @@
    *   defaults to one less than the tlist's `numberOfItems`
    * @returns {SVGTransform} A single matrix transform object
   */
+
   var transformListToTransform = function transformListToTransform(tlist, min, max) {
     if (tlist == null) {
       // Or should tlist = null have been prevented before this?
       return svg$1.createSVGTransformFromMatrix(svg$1.createSVGMatrix());
     }
+
     min = min || 0;
     max = max || tlist.numberOfItems - 1;
     min = parseInt(min, 10);
     max = parseInt(max, 10);
+
     if (min > max) {
-      var temp = max;max = min;min = temp;
+      var temp = max;
+      max = min;
+      min = temp;
     }
+
     var m = svg$1.createSVGMatrix();
+
     for (var i = min; i <= max; ++i) {
       // if our indices are out of range, just use a harmless identity matrix
       var mtom = i >= 0 && i < tlist.numberOfItems ? tlist.getItem(i).matrix : svg$1.createSVGMatrix();
       m = matrixMultiply(m, mtom);
     }
+
     return svg$1.createSVGTransformFromMatrix(m);
   };
-
   /**
    * Get the matrix object for a given element
    * @function module:math.getMatrix
    * @param {Element} elem - The DOM element to check
    * @returns {SVGMatrix} The matrix object associated with the element's transformlist
   */
+
   var getMatrix = function getMatrix(elem) {
     var tlist = getTransformList(elem);
     return transformListToTransform(tlist).matrix;
   };
-
   /**
    * Returns a 45 degree angle coordinate associated with the two given
    * coordinates
@@ -4253,21 +4815,21 @@
    * @param {Integer} y2 - Second coordinate's y value
    * @returns {module:math.AngleCoord45}
   */
+
   var snapToAngle = function snapToAngle(x1, y1, x2, y2) {
     var snap = Math.PI / 4; // 45 degrees
+
     var dx = x2 - x1;
     var dy = y2 - y1;
     var angle = Math.atan2(dy, dx);
     var dist = Math.sqrt(dx * dx + dy * dy);
     var snapangle = Math.round(angle / snap) * snap;
-
     return {
       x: x1 + dist * Math.cos(snapangle),
       y: y1 + dist * Math.sin(snapangle),
       a: snapangle
     };
   };
-
   /**
    * Check if two rectangles (BBoxes objects) intersect each other
    * @function module:math.rectsIntersect
@@ -4275,26 +4837,32 @@
    * @param {SVGRect} r2 - The second BBox-like object
    * @returns {boolean} True if rectangles intersect
    */
+
   var rectsIntersect = function rectsIntersect(r1, r2) {
     return r2.x < r1.x + r1.width && r2.x + r2.width > r1.x && r2.y < r1.y + r1.height && r2.y + r2.height > r1.y;
   };
 
-  /* globals jQuery */
-
   var $$1 = jQuery;
-
   var segData = {
-    2: ['x', 'y'], // PATHSEG_MOVETO_ABS
-    4: ['x', 'y'], // PATHSEG_LINETO_ABS
-    6: ['x', 'y', 'x1', 'y1', 'x2', 'y2'], // PATHSEG_CURVETO_CUBIC_ABS
-    8: ['x', 'y', 'x1', 'y1'], // PATHSEG_CURVETO_QUADRATIC_ABS
-    10: ['x', 'y', 'r1', 'r2', 'angle', 'largeArcFlag', 'sweepFlag'], // PATHSEG_ARC_ABS
-    12: ['x'], // PATHSEG_LINETO_HORIZONTAL_ABS
-    14: ['y'], // PATHSEG_LINETO_VERTICAL_ABS
-    16: ['x', 'y', 'x2', 'y2'], // PATHSEG_CURVETO_CUBIC_SMOOTH_ABS
+    2: ['x', 'y'],
+    // PATHSEG_MOVETO_ABS
+    4: ['x', 'y'],
+    // PATHSEG_LINETO_ABS
+    6: ['x', 'y', 'x1', 'y1', 'x2', 'y2'],
+    // PATHSEG_CURVETO_CUBIC_ABS
+    8: ['x', 'y', 'x1', 'y1'],
+    // PATHSEG_CURVETO_QUADRATIC_ABS
+    10: ['x', 'y', 'r1', 'r2', 'angle', 'largeArcFlag', 'sweepFlag'],
+    // PATHSEG_ARC_ABS
+    12: ['x'],
+    // PATHSEG_LINETO_HORIZONTAL_ABS
+    14: ['y'],
+    // PATHSEG_LINETO_VERTICAL_ABS
+    16: ['x', 'y', 'x2', 'y2'],
+    // PATHSEG_CURVETO_CUBIC_SMOOTH_ABS
     18: ['x', 'y'] // PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS
-  };
 
+  };
   /**
    * @tutorial LocaleDocs
    * @typedef {module:locale.LocaleStrings|PlainObject} module:path.uiStrings
@@ -4307,36 +4875,32 @@
   * @param {module:path.uiStrings} strs
   * @returns {undefined}
   */
+
   var setUiStrings = function setUiStrings(strs) {
     Object.assign(uiStrings, strs.ui);
   };
-
   var pathFuncs = [];
-
-  var linkControlPts = true;
-
-  // Stores references to paths via IDs.
+  var linkControlPts = true; // Stores references to paths via IDs.
   // TODO: Make this cross-document happy.
-  var pathData = {};
 
+  var pathData = {};
   /**
   * @function module:path.setLinkControlPoints
   * @param {boolean} lcp
   * @returns {undefined}
   */
+
   var setLinkControlPoints = function setLinkControlPoints(lcp) {
     linkControlPts = lcp;
   };
-
   /**
    * @name module:path.path
    * @type {null|module:path.Path}
    * @memberof module:path
   */
+
   var path = null;
-
   var editorContext_ = null;
-
   /**
   * @external MouseEvent
   */
@@ -4350,44 +4914,52 @@
   * @property {module:path.SVGElementJSON[]} [children] - Data objects to be added recursively as children
   * @property {string} [namespace="http://www.w3.org/2000/svg"] - Indicate a (non-SVG) namespace
   */
+
   /**
    * @interface module:path.EditorContext
    * @property {module:select.SelectorManager} selectorManager
    * @property {module:svgcanvas.SvgCanvas} canvas
    */
+
   /**
    * @function module:path.EditorContext#call
    * @param {"selected"|"changed"} ev - String with the event name
    * @param {module:svgcanvas.SvgCanvas#event:selected|module:svgcanvas.SvgCanvas#event:changed} arg - Argument to pass through to the callback function. If the event is "changed", an array of `Element`s is passed; if "selected", a single-item array of `Element` is passed.
    * @returns {undefined}
    */
+
   /**
    * @function module:path.EditorContext#resetD
    * @param {SVGPathElement} p
    * @returns {undefined}
   */
+
   /**
    * Note: This doesn't round to an integer necessarily
    * @function module:path.EditorContext#round
    * @param {Float} val
    * @returns {Float} Rounded value to nearest value based on `currentZoom`
    */
+
   /**
    * @function module:path.EditorContext#clearSelection
    * @param {boolean} [noCall] - When `true`, does not call the "selected" handler
    * @returns {undefined}
   */
+
   /**
    * @function module:path.EditorContext#addToSelection
    * @param {Element[]} elemsToAdd - An array of DOM elements to add to the selection
    * @param {boolean} showGrips - Indicates whether the resize grips should be shown
    * @returns {undefined}
   */
+
   /**
    * @function module:path.EditorContext#addCommandToHistory
    * @param {Command} cmd
    * @returns {undefined}
    */
+
   /**
    * @function module:path.EditorContext#remapElement
    * @param {Element} selected - DOM element to be changed
@@ -4395,41 +4967,50 @@
    * @param {SVGMatrix} m - Matrix object to use for remapping coordinates
    * @returns {undefined}
    */
+
   /**
    * @function module:path.EditorContext#addSVGElementFromJson
    * @param {module:path.SVGElementJSON} data
    * @returns {Element} The new element
   */
+
   /**
    * @function module:path.EditorContext#getGridSnapping
    * @returns {boolean}
    */
+
   /**
    * @function module:path.EditorContext#getOpacity
    * @returns {Float}
    */
+
   /**
    * @function module:path.EditorContext#getSelectedElements
    * @returns {Element[]} the array with selected DOM elements
   */
+
   /**
    * @function module:path.EditorContext#getContainer
    * @returns {Element}
    */
+
   /**
    * @function module:path.EditorContext#setStarted
    * @param {boolean} s
    * @returns {undefined}
    */
+
   /**
    * @function module:path.EditorContext#getRubberBox
    * @returns {SVGRectElement}
   */
+
   /**
    * @function module:path.EditorContext#setRubberBox
    * @param {SVGRectElement} rb
    * @returns {SVGRectElement} Same as parameter passed in
    */
+
   /**
    * @function module:path.EditorContext#addPtsToSelection
    * @param {PlainObject} cfg
@@ -4437,6 +5018,7 @@
    * @param {SVGCircleElement[]} cfg.grips
    * @returns {undefined}
    */
+
   /**
    * @function module:path.EditorContext#endChanges
    * @param {PlainObject} cfg
@@ -4444,44 +5026,53 @@
    * @param {Element} cfg.elem
    * @returns {undefined}
   */
+
   /**
    * @function module:path.EditorContext#getCurrentZoom
    * @returns {Float} The current zoom level
    */
+
   /**
    * Returns the last created DOM element ID string
    * @function module:path.EditorContext#getId
    * @returns {string}
    */
+
   /**
    * Creates and returns a unique ID string for a DOM element
    * @function module:path.EditorContext#getNextId
    * @returns {string}
   */
+
   /**
    * Gets the desired element from a mouse event
    * @function module:path.EditorContext#getMouseTarget
    * @param {external:MouseEvent} evt - Event object from the mouse event
    * @returns {Element} DOM element we want
    */
+
   /**
    * @function module:path.EditorContext#getCurrentMode
    * @returns {string}
    */
+
   /**
    * @function module:path.EditorContext#setCurrentMode
    * @param {string} cm The mode
    * @returns {string} The same mode as passed in
   */
+
   /**
    * @function module:path.EditorContext#getDrawnPath
    * @returns {SVGPathElement|null}
    */
+
   /**
    * @function module:path.EditorContext#setDrawnPath
    * @param {SVGPathElement|null} dp
    * @returns {SVGPathElement|null} The same value as passed in
    */
+
   /**
    * @function module:path.EditorContext#getSVGRoot
    * @returns {SVGSVGElement}
@@ -4492,9 +5083,9 @@
   * @param {module:path.EditorContext} editorContext
   * @returns {undefined}
   */
+
   var init$1 = function init$$1(editorContext) {
     editorContext_ = editorContext;
-
     pathFuncs = [0, 'ClosePath'];
     var pathFuncsStrs = ['Moveto', 'Lineto', 'CurvetoCubic', 'CurvetoQuadratic', 'Arc', 'LinetoHorizontal', 'LinetoVertical', 'CurvetoCubicSmooth', 'CurvetoQuadraticSmooth'];
     $$1.each(pathFuncsStrs, function (i, s) {
@@ -4502,7 +5093,6 @@
       pathFuncs.push(s + 'Rel');
     });
   };
-
   /**
   * @function module:path.insertItemBefore
   * @param {Element} elem
@@ -4510,6 +5100,7 @@
   * @param {Integer} index
   * @returns {undefined}
   */
+
   var insertItemBefore = function insertItemBefore(elem, newseg, index) {
     // Support insertItemBefore on paths for FF2
     var list = elem.pathSegList;
@@ -4518,22 +5109,26 @@
       list.insertItemBefore(newseg, index);
       return;
     }
+
     var len = list.numberOfItems;
     var arr = [];
+
     for (var i = 0; i < len; i++) {
       var curSeg = list.getItem(i);
       arr.push(curSeg);
     }
+
     list.clear();
+
     for (var _i = 0; _i < len; _i++) {
       if (_i === index) {
         // index + 1
         list.appendItem(newseg);
       }
+
       list.appendItem(arr[_i]);
     }
   };
-
   /**
   * @function module:path.ptObjToArr
   * @todo See if this should just live in `replacePathSeg`
@@ -4541,22 +5136,22 @@
   * @param {SVGPathSegMovetoAbs|SVGPathSegLinetoAbs|SVGPathSegCurvetoCubicAbs|SVGPathSegCurvetoQuadraticAbs|SVGPathSegArcAbs|SVGPathSegLinetoHorizontalAbs|SVGPathSegLinetoVerticalAbs|SVGPathSegCurvetoCubicSmoothAbs|SVGPathSegCurvetoQuadraticSmoothAbs} segItem
   * @returns {ArgumentsArray}
   */
+
   var ptObjToArr = function ptObjToArr(type, segItem) {
     var props = segData[type];
     return props.map(function (prop) {
       return segItem[prop];
     });
   };
-
   /**
   * @function module:path.getGripPt
   * @param {Segment} seg
   * @param {module:math.XYObject} altPt
   * @returns {module:math.XYObject}
   */
+
   var getGripPt = function getGripPt(seg, altPt) {
     var path = seg.path;
-
     var out = {
       x: altPt ? altPt.x : seg.item.x,
       y: altPt ? altPt.y : seg.item.y
@@ -4570,16 +5165,15 @@
     var currentZoom = editorContext_.getCurrentZoom();
     out.x *= currentZoom;
     out.y *= currentZoom;
-
     return out;
   };
-
   /**
   * @function module:path.getPointFromGrip
   * @param {module:math.XYObject} pt
   * @param {module:path.Path} path
   * @returns {module:math.XYObject}
   */
+
   var getPointFromGrip = function getPointFromGrip(pt, path) {
     var out = {
       x: pt.x,
@@ -4595,10 +5189,8 @@
     var currentZoom = editorContext_.getCurrentZoom();
     out.x /= currentZoom;
     out.y /= currentZoom;
-
     return out;
   };
-
   /**
   * Requires prior call to `setUiStrings` if `xlink:title`
   *    to be set on the grip
@@ -4608,12 +5200,12 @@
   * @param {Integer} y
   * @returns {SVGCircleElement}
   */
+
   var addPointGrip = function addPointGrip(index, x, y) {
     // create the container of all the point grips
     var pointGripContainer = getGripContainer();
+    var pointGrip = getElem('pathpointgrip_' + index); // create it
 
-    var pointGrip = getElem('pathpointgrip_' + index);
-    // create it
     if (!pointGrip) {
       pointGrip = document.createElementNS(NS.SVG, 'circle');
       var atts = {
@@ -4626,13 +5218,14 @@
         cursor: 'move',
         style: 'pointer-events:all'
       };
+
       if ('pathNodeTooltip' in uiStrings) {
         // May be empty if running path.js without svg-editor
         atts['xlink:title'] = uiStrings.pathNodeTooltip;
       }
+
       assignAttributes(pointGrip, atts);
       pointGrip = pointGripContainer.appendChild(pointGrip);
-
       var grip = $$1('#pathpointgrip_' + index);
       grip.dblclick(function () {
         if (path) {
@@ -4640,6 +5233,7 @@
         }
       });
     }
+
     if (x && y) {
       // set up the point grip element and display it
       assignAttributes(pointGrip, {
@@ -4648,23 +5242,25 @@
         display: 'inline'
       });
     }
+
     return pointGrip;
   };
-
   /**
   * @function module:path.getGripContainer
   * @returns {Element}
   */
+
   var getGripContainer = function getGripContainer() {
     var c = getElem('pathpointgrip_container');
+
     if (!c) {
       var parent = getElem('selectorParentGroup');
       c = parent.appendChild(document.createElementNS(NS.SVG, 'g'));
       c.id = 'pathpointgrip_container';
     }
+
     return c;
   };
-
   /**
   * Requires prior call to `setUiStrings` if `xlink:title`
   *    to be set on the grip
@@ -4672,8 +5268,10 @@
   * @param {string} id
   * @returns {SVGCircleElement}
   */
+
   var addCtrlGrip = function addCtrlGrip(id) {
     var pointGrip = getElem('ctrlpointgrip_' + id);
+
     if (pointGrip) {
       return pointGrip;
     }
@@ -4689,22 +5287,25 @@
       cursor: 'move',
       style: 'pointer-events:all'
     };
+
     if ('pathCtrlPtTooltip' in uiStrings) {
       // May be empty if running path.js without svg-editor
       atts['xlink:title'] = uiStrings.pathCtrlPtTooltip;
     }
+
     assignAttributes(pointGrip, atts);
     getGripContainer().append(pointGrip);
     return pointGrip;
   };
-
   /**
   * @function module:path.getCtrlLine
   * @param {string} id
   * @returns {SVGLineElement}
   */
+
   var getCtrlLine = function getCtrlLine(id) {
     var ctrlLine = getElem('ctrlLine_' + id);
+
     if (ctrlLine) {
       return ctrlLine;
     }
@@ -4719,16 +5320,15 @@
     getGripContainer().append(ctrlLine);
     return ctrlLine;
   };
-
   /**
   * @function module:path.getPointGrip
   * @param {Segment} seg
   * @param {boolean} update
   * @returns {SVGCircleElement}
   */
+
   var getPointGrip = function getPointGrip(seg, update) {
     var index = seg.index;
-
     var pointGrip = addPointGrip(index);
 
     if (update) {
@@ -4742,12 +5342,12 @@
 
     return pointGrip;
   };
-
   /**
   * @function module:path.getControlPoints
   * @param {Segment} seg
   * @returns {PlainObject.<string, SVGLineElement|SVGCircleElement>}
   */
+
   var getControlPoints = function getControlPoints(seg) {
     var item = seg.item,
         index = seg.index;
@@ -4755,22 +5355,26 @@
     if (!('x1' in item) || !('x2' in item)) {
       return null;
     }
+
     var cpt = {};
-    /* const pointGripContainer = */getGripContainer();
+    /* const pointGripContainer = */
+
+    getGripContainer(); // Note that this is intentionally not seg.prev.item
 
-    // Note that this is intentionally not seg.prev.item
     var prev = path.segs[index - 1].item;
-
     var segItems = [prev, item];
 
     for (var i = 1; i < 3; i++) {
       var id = index + 'c' + i;
-
       var ctrlLine = cpt['c' + i + '_line'] = getCtrlLine(id);
-
-      var pt = getGripPt(seg, { x: item['x' + i], y: item['y' + i] });
-      var gpt = getGripPt(seg, { x: segItems[i - 1].x, y: segItems[i - 1].y });
-
+      var pt = getGripPt(seg, {
+        x: item['x' + i],
+        y: item['y' + i]
+      });
+      var gpt = getGripPt(seg, {
+        x: segItems[i - 1].x,
+        y: segItems[i - 1].y
+      });
       assignAttributes(ctrlLine, {
         x1: pt.x,
         y1: pt.y,
@@ -4778,12 +5382,9 @@
         y2: gpt.y,
         display: 'inline'
       });
+      cpt['c' + i + '_line'] = ctrlLine; // create it
 
-      cpt['c' + i + '_line'] = ctrlLine;
-
-      // create it
       var pointGrip = cpt['c' + i] = addCtrlGrip(id);
-
       assignAttributes(pointGrip, {
         cx: pt.x,
         cy: pt.y,
@@ -4791,9 +5392,9 @@
       });
       cpt['c' + i] = pointGrip;
     }
+
     return cpt;
   };
-
   /**
   * This replaces the segment at the given index. Type is given as number.
   * @function module:path.replacePathSeg
@@ -4802,9 +5403,9 @@
   * @param {ArgumentsArray} pts
   * @param {SVGPathElement} elem
   */
+
   var replacePathSeg = function replacePathSeg(type, index, pts, elem) {
     var pth = elem || path.elem;
-
     var func = 'createSVGPathSeg' + pathFuncs[type];
     var seg = pth[func].apply(pth, pts);
 
@@ -4814,11 +5415,14 @@
       var segList = pth.pathSegList;
       var len = segList.numberOfItems;
       var arr = [];
+
       for (var i = 0; i < len; i++) {
         var curSeg = segList.getItem(i);
         arr.push(curSeg);
       }
+
       segList.clear();
+
       for (var _i2 = 0; _i2 < len; _i2++) {
         if (_i2 === index) {
           segList.appendItem(seg);
@@ -4828,20 +5432,20 @@
       }
     }
   };
-
   /**
   * @function module:path.getSegSelector
   * @param {Segment} seg
   * @param {boolean} update
   * @returns {SVGPathElement}
   */
+
   var getSegSelector = function getSegSelector(seg, update) {
     var index = seg.index;
-
     var segLine = getElem('segline_' + index);
+
     if (!segLine) {
-      var pointGripContainer = getGripContainer();
-      // create segline
+      var pointGripContainer = getGripContainer(); // create segline
+
       segLine = document.createElementNS(NS.SVG, 'path');
       assignAttributes(segLine, {
         id: 'segline_' + index,
@@ -4863,22 +5467,26 @@
         return segLine;
       }
 
-      var pt = getGripPt(prev);
-      // Set start point
-      replacePathSeg(2, 0, [pt.x, pt.y], segLine);
+      var pt = getGripPt(prev); // Set start point
 
+      replacePathSeg(2, 0, [pt.x, pt.y], segLine);
       var pts = ptObjToArr(seg.type, seg.item); // , true);
+
       for (var i = 0; i < pts.length; i += 2) {
-        var _pt = getGripPt(seg, { x: pts[i], y: pts[i + 1] });
+        var _pt = getGripPt(seg, {
+          x: pts[i],
+          y: pts[i + 1]
+        });
+
         pts[i] = _pt.x;
         pts[i + 1] = _pt.y;
       }
 
       replacePathSeg(seg.type, 1, pts, segLine);
     }
+
     return segLine;
   };
-
   /**
    * @typedef {PlainObject} Point
    * @property {Integer} x The x value
@@ -4893,6 +5501,7 @@
   * @param {Point} pt - Object with x and y values (third point)
   * @returns {Point[]} Array of two "smoothed" point objects
   */
+
   var smoothControlPoints = function smoothControlPoints(ct1, ct2, pt) {
     // each point must not be the origin
     var x1 = ct1.x - pt.x,
@@ -4907,67 +5516,68 @@
           nct2 = editorContext_.getSVGRoot().createSVGPoint();
       var anglea = Math.atan2(y1, x1),
           angleb = Math.atan2(y2, x2);
+
       if (anglea < 0) {
         anglea += 2 * Math.PI;
       }
+
       if (angleb < 0) {
         angleb += 2 * Math.PI;
       }
 
       var angleBetween = Math.abs(anglea - angleb),
           angleDiff = Math.abs(Math.PI - angleBetween) / 2;
+      var newAnglea, newAngleb;
 
-      var newAnglea = void 0,
-          newAngleb = void 0;
       if (anglea - angleb > 0) {
         newAnglea = angleBetween < Math.PI ? anglea + angleDiff : anglea - angleDiff;
         newAngleb = angleBetween < Math.PI ? angleb - angleDiff : angleb + angleDiff;
       } else {
         newAnglea = angleBetween < Math.PI ? anglea - angleDiff : anglea + angleDiff;
         newAngleb = angleBetween < Math.PI ? angleb + angleDiff : angleb - angleDiff;
-      }
+      } // rotate the points
+
 
-      // rotate the points
       nct1.x = r1 * Math.cos(newAnglea) + pt.x;
       nct1.y = r1 * Math.sin(newAnglea) + pt.y;
       nct2.x = r2 * Math.cos(newAngleb) + pt.x;
       nct2.y = r2 * Math.sin(newAngleb) + pt.y;
-
       return [nct1, nct2];
     }
+
     return undefined;
   };
-
   /**
   *
   */
-  var Segment = function () {
+
+  var Segment =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {Integer} index
     * @param {SVGPathSeg} item
     * @todo Is `item` be more constrained here?
     */
     function Segment(index, item) {
-      classCallCheck(this, Segment);
+      _classCallCheck(this, Segment);
 
       this.selected = false;
       this.index = index;
       this.item = item;
       this.type = item.pathSegType;
-
       this.ctrlpts = [];
       this.ptgrip = null;
       this.segsel = null;
     }
-
     /**
      * @param {boolean} y
      * @returns {undefined}
      */
 
 
-    createClass(Segment, [{
-      key: 'showCtrlPts',
+    _createClass(Segment, [{
+      key: "showCtrlPts",
       value: function showCtrlPts(y) {
         for (var i in this.ctrlpts) {
           if (this.ctrlpts.hasOwnProperty(i)) {
@@ -4975,71 +5585,69 @@
           }
         }
       }
-
       /**
        * @param {boolean} y
        * @returns {undefined}
        */
 
     }, {
-      key: 'selectCtrls',
+      key: "selectCtrls",
       value: function selectCtrls(y) {
         $$1('#ctrlpointgrip_' + this.index + 'c1, #ctrlpointgrip_' + this.index + 'c2').attr('fill', y ? '#0FF' : '#EEE');
       }
-
       /**
        * @param {boolean} y
        * @returns {undefined}
        */
 
     }, {
-      key: 'show',
+      key: "show",
       value: function show(y) {
         if (this.ptgrip) {
           this.ptgrip.setAttribute('display', y ? 'inline' : 'none');
-          this.segsel.setAttribute('display', y ? 'inline' : 'none');
-          // Show/hide all control points if available
+          this.segsel.setAttribute('display', y ? 'inline' : 'none'); // Show/hide all control points if available
+
           this.showCtrlPts(y);
         }
       }
-
       /**
        * @param {boolean} y
        * @returns {undefined}
        */
 
     }, {
-      key: 'select',
+      key: "select",
       value: function select(y) {
         if (this.ptgrip) {
           this.ptgrip.setAttribute('stroke', y ? '#0FF' : '#00F');
           this.segsel.setAttribute('display', y ? 'inline' : 'none');
+
           if (this.ctrlpts) {
             this.selectCtrls(y);
           }
+
           this.selected = y;
         }
       }
-
       /**
        * @returns {undefined}
        */
 
     }, {
-      key: 'addGrip',
+      key: "addGrip",
       value: function addGrip() {
         this.ptgrip = getPointGrip(this, true);
         this.ctrlpts = getControlPoints(this); // , true);
+
         this.segsel = getSegSelector(this, true);
       }
-
       /**
        * @param {boolean} full
        * @returns {undefined}
        */
 
     }, {
-      key: 'update',
+      key: "update",
       value: function update(full) {
         if (this.ptgrip) {
           var pt = getGripPt(this);
@@ -5047,7 +5655,6 @@
             cx: pt.x,
             cy: pt.y
           });
-
           getSegSelector(this, true);
 
           if (this.ctrlpts) {
@@ -5055,12 +5662,12 @@
               this.item = path.elem.pathSegList.getItem(this.index);
               this.type = this.item.pathSegType;
             }
+
             getControlPoints(this);
-          }
-          // this.segsel.setAttribute('display', y ? 'inline' : 'none');
+          } // this.segsel.setAttribute('display', y ? 'inline' : 'none');
+
         }
       }
-
       /**
        * @param {Integer} dx
        * @param {Integer} dy
@@ -5068,13 +5675,10 @@
        */
 
     }, {
-      key: 'move',
+      key: "move",
       value: function move(dx, dy) {
         var item = this.item;
-
-
         var curPts = this.ctrlpts ? [item.x += dx, item.y += dy, item.x1, item.y1, item.x2 += dx, item.y2 += dy] : [item.x += dx, item.y += dy];
-
         replacePathSeg(this.type, this.index, curPts);
 
         if (this.next && this.next.ctrlpts) {
@@ -5087,57 +5691,54 @@
           // The last point of a closed subpath has a 'mate',
           // which is the 'M' segment of the subpath
           var _item = this.mate.item;
-
           var pts = [_item.x += dx, _item.y += dy];
-          replacePathSeg(this.mate.type, this.mate.index, pts);
-          // Has no grip, so does not need 'updating'?
+          replacePathSeg(this.mate.type, this.mate.index, pts); // Has no grip, so does not need 'updating'?
         }
 
         this.update(true);
+
         if (this.next) {
           this.next.update(true);
         }
       }
-
       /**
        * @param {Integer} num
        * @returns {undefined}
        */
 
     }, {
-      key: 'setLinked',
+      key: "setLinked",
       value: function setLinked(num) {
-        var seg = void 0,
-            anum = void 0,
-            pt = void 0;
+        var seg, anum, pt;
+
         if (num === 2) {
           anum = 1;
           seg = this.next;
+
           if (!seg) {
             return;
           }
+
           pt = this.item;
         } else {
           anum = 2;
           seg = this.prev;
+
           if (!seg) {
             return;
           }
+
           pt = seg.item;
         }
 
         var _seg = seg,
             item = _seg.item;
-
         item['x' + anum] = pt.x + (pt.x - this.item['x' + num]);
         item['y' + anum] = pt.y + (pt.y - this.item['y' + num]);
-
         var pts = [item.x, item.y, item.x1, item.y1, item.x2, item.y2];
-
         replacePathSeg(seg.type, seg.index, pts);
         seg.update(true);
       }
-
       /**
        * @param {Integer} num
        * @param {Integer} dx
@@ -5146,26 +5747,22 @@
        */
 
     }, {
-      key: 'moveCtrl',
+      key: "moveCtrl",
       value: function moveCtrl(num, dx, dy) {
         var item = this.item;
-
         item['x' + num] += dx;
         item['y' + num] += dy;
-
         var pts = [item.x, item.y, item.x1, item.y1, item.x2, item.y2];
-
         replacePathSeg(this.type, this.index, pts);
         this.update(true);
       }
-
       /**
        * @param {Integer} newType Possible values set during {@link module:path.init}
        * @param {ArgumentsArray} pts
        */
 
     }, {
-      key: 'setType',
+      key: "setType",
       value: function setType(newType, pts) {
         replacePathSeg(newType, this.index, pts);
         this.type = newType;
@@ -5175,19 +5772,22 @@
         this.update(true);
       }
     }]);
+
     return Segment;
   }();
-
   /**
   *
   */
-  var Path = function () {
+
+  var Path =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {SVGPathElement}
     * @throws {Error} If constructed without a path element
     */
     function Path(elem) {
-      classCallCheck(this, Path);
+      _classCallCheck(this, Path);
 
       if (!elem || elem.tagName !== 'path') {
         throw new Error('svgedit.path.Path constructed without a <path> element');
@@ -5197,33 +5797,28 @@
       this.segs = [];
       this.selected_pts = [];
       path = this;
-
       this.init();
     }
-
     /**
     * Reset path data
     * @returns {module:path.Path}
     */
 
 
-    createClass(Path, [{
-      key: 'init',
+    _createClass(Path, [{
+      key: "init",
       value: function init$$1() {
         // Hide all grips, etc
-
         // fixed, needed to work on all found elements, not just first
         $$1(getGripContainer()).find('*').each(function () {
           $$1(this).attr('display', 'none');
         });
-
         var segList = this.elem.pathSegList;
         var len = segList.numberOfItems;
         this.segs = [];
         this.selected_pts = [];
-        this.first_seg = null;
+        this.first_seg = null; // Set up segs array
 
-        // Set up segs array
         for (var i = 0; i < len; i++) {
           var item = segList.getItem(i);
           var segment = new Segment(i, item);
@@ -5232,13 +5827,13 @@
         }
 
         var segs = this.segs;
-
-
         var startI = null;
+
         for (var _i3 = 0; _i3 < len; _i3++) {
           var seg = segs[_i3];
           var nextSeg = _i3 + 1 >= len ? null : segs[_i3 + 1];
           var prevSeg = _i3 - 1 < 0 ? null : segs[_i3 - 1];
+
           if (seg.type === 2) {
             if (prevSeg && prevSeg.type !== 1) {
               // New sub-path, last one is open,
@@ -5247,18 +5842,19 @@
               startSeg.next = segs[startI + 1];
               startSeg.next.prev = startSeg;
               startSeg.addGrip();
-            }
-            // Remember that this is a starter seg
+            } // Remember that this is a starter seg
+
+
             startI = _i3;
           } else if (nextSeg && nextSeg.type === 1) {
             // This is the last real segment of a closed sub-path
             // Next is first seg after "M"
-            seg.next = segs[startI + 1];
+            seg.next = segs[startI + 1]; // First seg after "M"'s prev is this
 
-            // First seg after "M"'s prev is this
             seg.next.prev = seg;
             seg.mate = segs[startI];
             seg.addGrip();
+
             if (this.first_seg == null) {
               this.first_seg = seg;
             }
@@ -5269,7 +5865,9 @@
               var _startSeg = segs[startI];
               _startSeg.next = segs[startI + 1];
               _startSeg.next.prev = _startSeg;
+
               _startSeg.addGrip();
+
               seg.addGrip();
 
               if (!this.first_seg) {
@@ -5279,60 +5877,60 @@
             }
           } else if (seg.type !== 1) {
             // Regular segment, so add grip and its "next"
-            seg.addGrip();
+            seg.addGrip(); // Don't set its "next" if it's an "M"
 
-            // Don't set its "next" if it's an "M"
             if (nextSeg && nextSeg.type !== 2) {
               seg.next = nextSeg;
               seg.next.prev = seg;
             }
           }
         }
+
         return this;
       }
-
       /**
       * @callback module:path.PathEachSegCallback
       * @this module:path.Segment
       * @param {Integer} i The index of the seg being iterated
       * @returns {boolean} Will stop execution of `eachSeg` if returns `false`
       */
+
       /**
       * @param {module:path.PathEachSegCallback} fn
       * @returns {undefined}
       */
 
     }, {
-      key: 'eachSeg',
+      key: "eachSeg",
       value: function eachSeg(fn) {
         var len = this.segs.length;
+
         for (var i = 0; i < len; i++) {
           var ret = fn.call(this.segs[i], i);
+
           if (ret === false) {
             break;
           }
         }
       }
-
       /**
       * @param {Integer} index
       * @returns {undefined}
       */
 
     }, {
-      key: 'addSeg',
+      key: "addSeg",
       value: function addSeg(index) {
         // Adds a new segment
         var seg = this.segs[index];
+
         if (!seg.prev) {
           return;
         }
 
         var prev = seg.prev;
+        var newseg, newX, newY;
 
-        var newseg = void 0,
-            newX = void 0,
-            newY = void 0;
         switch (seg.item.pathSegType) {
           case 4:
             {
@@ -5340,7 +5938,9 @@
               newY = (seg.item.y + prev.item.y) / 2;
               newseg = this.elem.createSVGPathSegLinetoAbs(newX, newY);
               break;
-            }case 6:
+            }
+
+          case 6:
             {
               // make it a curved segment to preserve the shape (WRS)
               // https://en.wikipedia.org/wiki/De_Casteljau%27s_algorithm#Geometric_interpretation
@@ -5365,29 +5965,25 @@
 
         insertItemBefore(this.elem, newseg, index);
       }
-
       /**
       * @param {Integer} index
       * @returns {undefined}
       */
 
     }, {
-      key: 'deleteSeg',
+      key: "deleteSeg",
       value: function deleteSeg(index) {
         var seg = this.segs[index];
         var list = this.elem.pathSegList;
-
         seg.show(false);
         var next = seg.next;
 
         if (seg.mate) {
           // Make the next point be the "M" point
           var pt = [next.item.x, next.item.y];
-          replacePathSeg(2, next.index, pt);
+          replacePathSeg(2, next.index, pt); // Reposition last node
 
-          // Reposition last node
           replacePathSeg(4, seg.index, pt);
-
           list.removeItem(seg.mate.index);
         } else if (!seg.prev) {
           // First node of open path, make next point the M
@@ -5399,57 +5995,57 @@
           list.removeItem(index);
         }
       }
-
       /**
       * @param {Integer} index
       * @returns {boolean}
       */
 
     }, {
-      key: 'subpathIsClosed',
+      key: "subpathIsClosed",
       value: function subpathIsClosed(index) {
-        var closed = false;
-        // Check if subpath is already open
+        var closed = false; // Check if subpath is already open
+
         path.eachSeg(function (i) {
           if (i <= index) {
             return true;
           }
+
           if (this.type === 2) {
             // Found M first, so open
             return false;
           }
+
           if (this.type === 1) {
             // Found Z first, so closed
             closed = true;
             return false;
           }
         });
-
         return closed;
       }
-
       /**
       * @param {Integer} index
       * @returns {undefined}
       */
 
     }, {
-      key: 'removePtFromSelection',
+      key: "removePtFromSelection",
       value: function removePtFromSelection(index) {
         var pos = this.selected_pts.indexOf(index);
+
         if (pos === -1) {
           return;
         }
+
         this.segs[index].select(false);
         this.selected_pts.splice(pos, 1);
       }
-
       /**
       * @returns {undefined}
       */
 
     }, {
-      key: 'clearSelection',
+      key: "clearSelection",
       value: function clearSelection() {
         this.eachSeg(function () {
           // 'this' is the segment here
@@ -5457,36 +6053,35 @@
         });
         this.selected_pts = [];
       }
-
       /**
       * @returns {undefined}
       */
 
     }, {
-      key: 'storeD',
+      key: "storeD",
       value: function storeD() {
         this.last_d = this.elem.getAttribute('d');
       }
-
       /**
       * @param {Integer} y
       * @returns {undefined}
       */
 
     }, {
-      key: 'show',
+      key: "show",
       value: function show(y) {
         // Shows this path's segment grips
         this.eachSeg(function () {
           // 'this' is the segment here
           this.show(y);
         });
+
         if (y) {
           this.selectPt(this.first_seg.index);
         }
+
         return this;
       }
-
       /**
       * Move selected points
       * @param {Integer} dx
@@ -5495,15 +6090,15 @@
       */
 
     }, {
-      key: 'movePts',
+      key: "movePts",
       value: function movePts(dx, dy) {
         var i = this.selected_pts.length;
+
         while (i--) {
           var seg = this.segs[this.selected_pts[i]];
           seg.move(dx, dy);
         }
       }
-
       /**
       * @param {Integer} dx
       * @param {Integer} dy
@@ -5511,30 +6106,30 @@
       */
 
     }, {
-      key: 'moveCtrl',
+      key: "moveCtrl",
       value: function moveCtrl(dx, dy) {
         var seg = this.segs[this.selected_pts[0]];
         seg.moveCtrl(this.dragctrl, dx, dy);
+
         if (linkControlPts) {
           seg.setLinked(this.dragctrl);
         }
       }
-
       /**
       * @param {?Integer} newType See {@link https://www.w3.org/TR/SVG/single-page.html#paths-InterfaceSVGPathSeg}
       * @returns {undefined}
       */
 
     }, {
-      key: 'setSegType',
+      key: "setSegType",
       value: function setSegType(newType) {
         this.storeD();
         var i = this.selected_pts.length;
-        var text = void 0;
-        while (i--) {
-          var selPt = this.selected_pts[i];
+        var text;
+
+        while (i--) {
+          var selPt = this.selected_pts[i]; // Selected seg
 
-          // Selected seg
           var cur = this.segs[selPt];
           var prev = cur.prev;
 
@@ -5544,21 +6139,19 @@
 
           if (!newType) {
             // double-click, so just toggle
-            text = 'Toggle Path Segment Type';
+            text = 'Toggle Path Segment Type'; // Toggle segment to curve/straight line
 
-            // Toggle segment to curve/straight line
             var oldType = cur.type;
-
             newType = oldType === 6 ? 4 : 6;
           }
 
           newType = Number(newType);
-
           var curX = cur.item.x;
           var curY = cur.item.y;
           var prevX = prev.item.x;
           var prevY = prev.item.y;
           var points = void 0;
+
           switch (newType) {
             case 6:
               {
@@ -5567,8 +6160,8 @@
                   points = [curX, curY, old.x1, old.y1, old.x2, old.y2];
                 } else {
                   var diffX = curX - prevX;
-                  var diffY = curY - prevY;
-                  // get control points from straight line segment
+                  var diffY = curY - prevY; // get control points from straight line segment
+
                   /*
                   const ct1x = (prevX + (diffY/2));
                   const ct1y = (prevY - (diffX/2));
@@ -5576,18 +6169,21 @@
                   const ct2y = (curY - (diffX/2));
                   */
                   // create control points on the line to preserve the shape (WRS)
+
                   var ct1x = prevX + diffX / 3;
                   var ct1y = prevY + diffY / 3;
                   var ct2x = curX - diffX / 3;
                   var ct2y = curY - diffY / 3;
                   points = [curX, curY, ct1x, ct1y, ct2x, ct2y];
                 }
-                break;
-              }case 4:
-              {
-                points = [curX, curY];
 
-                // Store original prevve segment nums
+                break;
+              }
+
+            case 4:
+              {
+                points = [curX, curY]; // Store original prevve segment nums
+
                 cur.olditem = cur.item;
                 break;
               }
@@ -5595,9 +6191,9 @@
 
           cur.setType(newType, points);
         }
+
         path.endChanges(text);
       }
-
       /**
       * @param {Integer} pt
       * @param {Integer} ctrlNum
@@ -5605,9 +6201,10 @@
       */
 
     }, {
-      key: 'selectPt',
+      key: "selectPt",
       value: function selectPt(pt, ctrlNum) {
         this.clearSelection();
+
         if (pt == null) {
           this.eachSeg(function (i) {
             // 'this' is the segment here.
@@ -5616,7 +6213,9 @@
             }
           });
         }
+
         this.addPtsToSelection(pt);
+
         if (ctrlNum) {
           this.dragctrl = ctrlNum;
 
@@ -5625,14 +6224,13 @@
           }
         }
       }
-
       /**
       * Update position of all points
       * @returns {Path}
       */
 
     }, {
-      key: 'update',
+      key: "update",
       value: function update() {
         var elem = this.elem;
 
@@ -5648,119 +6246,123 @@
           this.item = elem.pathSegList.getItem(i);
           this.update();
         });
-
         return this;
       }
-
       /**
       * @param {string} text
       * @returns {undefined}
       */
 
     }, {
-      key: 'endChanges',
+      key: "endChanges",
       value: function endChanges(text) {
         if (isWebkit()) {
           editorContext_.resetD(this.elem);
         }
-        var cmd = new ChangeElementCommand(this.elem, { d: this.last_d }, text);
-        editorContext_.endChanges({ cmd: cmd, elem: this.elem });
-      }
 
+        var cmd = new ChangeElementCommand(this.elem, {
+          d: this.last_d
+        }, text);
+        editorContext_.endChanges({
+          cmd: cmd,
+          elem: this.elem
+        });
+      }
       /**
       * @param {Integer|Integer[]} indexes
       * @returns {undefined}
       */
 
     }, {
-      key: 'addPtsToSelection',
+      key: "addPtsToSelection",
       value: function addPtsToSelection(indexes) {
         if (!Array.isArray(indexes)) {
           indexes = [indexes];
         }
+
         for (var _i4 = 0; _i4 < indexes.length; _i4++) {
           var index = indexes[_i4];
           var seg = this.segs[index];
+
           if (seg.ptgrip) {
             if (!this.selected_pts.includes(index) && index >= 0) {
               this.selected_pts.push(index);
             }
           }
         }
+
         this.selected_pts.sort();
         var i = this.selected_pts.length;
         var grips = [];
-        grips.length = i;
-        // Loop through points to be selected and highlight each
+        grips.length = i; // Loop through points to be selected and highlight each
+
         while (i--) {
           var pt = this.selected_pts[i];
           var _seg2 = this.segs[pt];
+
           _seg2.select(true);
+
           grips[i] = _seg2.ptgrip;
         }
 
         var closedSubpath = this.subpathIsClosed(this.selected_pts[0]);
-        editorContext_.addPtsToSelection({ grips: grips, closedSubpath: closedSubpath });
+        editorContext_.addPtsToSelection({
+          grips: grips,
+          closedSubpath: closedSubpath
+        });
       }
     }]);
+
     return Path;
   }();
-
   /**
   * @function module:path.getPath_
   * @param {SVGPathElement} elem
   * @returns {module:path.Path}
   */
+
   var getPath_ = function getPath_(elem) {
     var p = pathData[elem.id];
+
     if (!p) {
       p = pathData[elem.id] = new Path(elem);
     }
+
     return p;
   };
-
   /**
   * @function module:path.removePath_
   * @param {string} id
   * @returns {undefined}
   */
+
   var removePath_ = function removePath_(id) {
     if (id in pathData) {
       delete pathData[id];
     }
   };
-
-  var newcx = void 0,
-      newcy = void 0,
-      oldcx = void 0,
-      oldcy = void 0,
-      angle = void 0;
+  var newcx, newcy, oldcx, oldcy, angle;
 
   var getRotVals = function getRotVals(x, y) {
     var dx = x - oldcx;
-    var dy = y - oldcy;
+    var dy = y - oldcy; // rotate the point around the old center
 
-    // rotate the point around the old center
     var r = Math.sqrt(dx * dx + dy * dy);
     var theta = Math.atan2(dy, dx) + angle;
     dx = r * Math.cos(theta) + oldcx;
-    dy = r * Math.sin(theta) + oldcy;
-
-    // dx,dy should now hold the actual coordinates of each
+    dy = r * Math.sin(theta) + oldcy; // dx,dy should now hold the actual coordinates of each
     // point after being rotated
-
     // now we want to rotate them around the new center in the reverse direction
+
     dx -= newcx;
     dy -= newcy;
-
     r = Math.sqrt(dx * dx + dy * dy);
     theta = Math.atan2(dy, dx) - angle;
-
-    return { x: r * Math.cos(theta) + newcx,
-      y: r * Math.sin(theta) + newcy };
-  };
-
-  // If the path was rotated, we must now pay the piper:
+    return {
+      x: r * Math.cos(theta) + newcx,
+      y: r * Math.sin(theta) + newcy
+    };
+  }; // If the path was rotated, we must now pay the piper:
   // Every path point must be rotated into the rotated coordinate system of
   // its old center, then determine the new center, then rotate it back
   // This is because we want the path to remember its rotation
@@ -5771,113 +6373,116 @@
   * be optimized or even taken care of by `recalculateDimensions`
   * @returns {undefined}
   */
+
+
   var recalcRotatedPath = function recalcRotatedPath() {
     var currentPath = path.elem;
     angle = getRotationAngle(currentPath, true);
+
     if (!angle) {
       return;
-    }
-    // selectedBBoxes[0] = path.oldbbox;
+    } // selectedBBoxes[0] = path.oldbbox;
+
+
     var oldbox = path.oldbbox; // selectedBBoxes[0],
+
     oldcx = oldbox.x + oldbox.width / 2;
     oldcy = oldbox.y + oldbox.height / 2;
     var box = getBBox(currentPath);
     newcx = box.x + box.width / 2;
-    newcy = box.y + box.height / 2;
+    newcy = box.y + box.height / 2; // un-rotate the new center to the proper position
 
-    // un-rotate the new center to the proper position
     var dx = newcx - oldcx,
         dy = newcy - oldcy,
         r = Math.sqrt(dx * dx + dy * dy),
         theta = Math.atan2(dy, dx) + angle;
-
     newcx = r * Math.cos(theta) + oldcx;
     newcy = r * Math.sin(theta) + oldcy;
-
     var list = currentPath.pathSegList;
-
     var i = list.numberOfItems;
+
     while (i) {
       i -= 1;
       var seg = list.getItem(i),
           type = seg.pathSegType;
+
       if (type === 1) {
         continue;
       }
 
       var rvals = getRotVals(seg.x, seg.y),
           points = [rvals.x, rvals.y];
+
       if (seg.x1 != null && seg.x2 != null) {
         var cVals1 = getRotVals(seg.x1, seg.y1);
         var cVals2 = getRotVals(seg.x2, seg.y2);
         points.splice(points.length, 0, cVals1.x, cVals1.y, cVals2.x, cVals2.y);
       }
+
       replacePathSeg(type, i, points);
     } // loop for each point
 
-    /* box = */getBBox(currentPath);
-    // selectedBBoxes[0].x = box.x; selectedBBoxes[0].y = box.y;
-    // selectedBBoxes[0].width = box.width; selectedBBoxes[0].height = box.height;
+    /* box = */
 
+
+    getBBox(currentPath); // selectedBBoxes[0].x = box.x; selectedBBoxes[0].y = box.y;
+    // selectedBBoxes[0].width = box.width; selectedBBoxes[0].height = box.height;
     // now we must set the new transform to be rotated around the new center
+
     var Rnc = editorContext_.getSVGRoot().createSVGTransform(),
         tlist = getTransformList(currentPath);
     Rnc.setRotate(angle * 180.0 / Math.PI, newcx, newcy);
     tlist.replaceItem(Rnc, 0);
-  };
-
-  // ====================================
+  }; // ====================================
   // Public API starts here
 
   /**
   * @function module:path.clearData
   * @returns {undefined}
   */
+
   var clearData = function clearData() {
     pathData = {};
-  };
+  }; // Making public for mocking
 
-  // Making public for mocking
   /**
   * @function module:path.reorientGrads
   * @param {Element} elem
   * @param {SVGMatrix} m
   * @returns {undefined}
   */
+
   var reorientGrads = function reorientGrads(elem, m) {
     var bb = getBBox(elem);
+
     for (var i = 0; i < 2; i++) {
       var type = i === 0 ? 'fill' : 'stroke';
       var attrVal = elem.getAttribute(type);
+
       if (attrVal && attrVal.startsWith('url(')) {
         var grad = getRefElem(attrVal);
+
         if (grad.tagName === 'linearGradient') {
           var x1 = grad.getAttribute('x1') || 0;
           var y1 = grad.getAttribute('y1') || 0;
           var x2 = grad.getAttribute('x2') || 1;
-          var y2 = grad.getAttribute('y2') || 0;
+          var y2 = grad.getAttribute('y2') || 0; // Convert to USOU points
 
-          // Convert to USOU points
           x1 = bb.width * x1 + bb.x;
           y1 = bb.height * y1 + bb.y;
           x2 = bb.width * x2 + bb.x;
-          y2 = bb.height * y2 + bb.y;
+          y2 = bb.height * y2 + bb.y; // Transform those points
 
-          // Transform those points
           var pt1 = transformPoint(x1, y1, m);
-          var pt2 = transformPoint(x2, y2, m);
+          var pt2 = transformPoint(x2, y2, m); // Convert back to BB points
 
-          // Convert back to BB points
           var gCoords = {};
-
           gCoords.x1 = (pt1.x - bb.x) / bb.width;
           gCoords.y1 = (pt1.y - bb.y) / bb.height;
           gCoords.x2 = (pt2.x - bb.x) / bb.width;
           gCoords.y2 = (pt2.y - bb.y) / bb.height;
-
           var newgrad = grad.cloneNode(true);
           $$1(newgrad).attr(gCoords);
-
           newgrad.id = editorContext_.getNextId();
           findDefs().append(newgrad);
           elem.setAttribute(type, 'url(#' + newgrad.id + ')');
@@ -5885,14 +6490,13 @@
       }
     }
   };
-
   /**
   * This is how we map paths to our preferred relative segment types
   * @name module:path.pathMap
   * @type {GenericArray}
   */
-  var pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a', 'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];
 
+  var pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a', 'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];
   /**
    * Convert a path to one with only absolute or relative values
    * @todo move to pathActions.js
@@ -5901,6 +6505,7 @@
    * @param {boolean} toRel - true of convert to relative
    * @returns {string}
    */
+
   var convertPath = function convertPath(path, toRel) {
     var segList = path.pathSegList;
     var len = segList.numberOfItems;
@@ -5910,15 +6515,14 @@
     var lastM = null;
 
     for (var i = 0; i < len; ++i) {
-      var seg = segList.getItem(i);
-      // if these properties are not in the segment, set them to zero
+      var seg = segList.getItem(i); // if these properties are not in the segment, set them to zero
+
       var x = seg.x || 0,
           y = seg.y || 0,
           x1 = seg.x1 || 0,
           y1 = seg.y1 || 0,
           x2 = seg.x2 || 0,
           y2 = seg.y2 || 0;
-
       var type = seg.pathSegType;
       var letter = pathMap[type]['to' + (toRel ? 'Lower' : 'Upper') + 'Case']();
 
@@ -5926,15 +6530,19 @@
         case 1:
           // z,Z closepath (Z/z)
           d += 'z';
+
           if (lastM && !toRel) {
             curx = lastM[0];
             cury = lastM[1];
           }
+
           break;
+
         case 12:
           // absolute horizontal line (H)
           x -= curx;
         // Fallthrough
+
         case 13:
           // relative horizontal line (h)
           if (toRel) {
@@ -5944,14 +6552,17 @@
             x += curx;
             curx = x;
             letter = 'L';
-          }
-          // Convert to "line" for easier editing
+          } // Convert to "line" for easier editing
+
+
           d += pathDSegment(letter, [[x, cury]]);
           break;
+
         case 14:
           // absolute vertical line (V)
           y -= cury;
         // Fallthrough
+
         case 15:
           // relative vertical line (v)
           if (toRel) {
@@ -5961,19 +6572,26 @@
             y += cury;
             cury = y;
             letter = 'L';
-          }
-          // Convert to "line" for easier editing
+          } // Convert to "line" for easier editing
+
+
           d += pathDSegment(letter, [[curx, y]]);
           break;
+
         case 2: // absolute move (M)
+
         case 4: // absolute line (L)
+
         case 18:
           // absolute smooth quad (T)
           x -= curx;
           y -= cury;
         // Fallthrough
+
         case 5: // relative line (l)
+
         case 3: // relative move (m)
+
         case 19:
           // relative smooth quad (t)
           if (toRel) {
@@ -5985,53 +6603,74 @@
             curx = x;
             cury = y;
           }
+
           if (type === 2 || type === 3) {
             lastM = [curx, cury];
           }
 
           d += pathDSegment(letter, [[x, y]]);
           break;
+
         case 6:
           // absolute cubic (C)
-          x -= curx;x1 -= curx;x2 -= curx;
-          y -= cury;y1 -= cury;y2 -= cury;
+          x -= curx;
+          x1 -= curx;
+          x2 -= curx;
+          y -= cury;
+          y1 -= cury;
+          y2 -= cury;
         // Fallthrough
+
         case 7:
           // relative cubic (c)
           if (toRel) {
             curx += x;
             cury += y;
           } else {
-            x += curx;x1 += curx;x2 += curx;
-            y += cury;y1 += cury;y2 += cury;
+            x += curx;
+            x1 += curx;
+            x2 += curx;
+            y += cury;
+            y1 += cury;
+            y2 += cury;
             curx = x;
             cury = y;
           }
+
           d += pathDSegment(letter, [[x1, y1], [x2, y2], [x, y]]);
           break;
+
         case 8:
           // absolute quad (Q)
-          x -= curx;x1 -= curx;
-          y -= cury;y1 -= cury;
+          x -= curx;
+          x1 -= curx;
+          y -= cury;
+          y1 -= cury;
         // Fallthrough
+
         case 9:
           // relative quad (q)
           if (toRel) {
             curx += x;
             cury += y;
           } else {
-            x += curx;x1 += curx;
-            y += cury;y1 += cury;
+            x += curx;
+            x1 += curx;
+            y += cury;
+            y1 += cury;
             curx = x;
             cury = y;
           }
+
           d += pathDSegment(letter, [[x1, y1], [x, y]]);
           break;
+
         case 10:
           // absolute elliptical arc (A)
           x -= curx;
           y -= cury;
         // Fallthrough
+
         case 11:
           // relative elliptical arc (a)
           if (toRel) {
@@ -6043,31 +6682,41 @@
             curx = x;
             cury = y;
           }
+
           d += pathDSegment(letter, [[seg.r1, seg.r2]], [seg.angle, seg.largeArcFlag ? 1 : 0, seg.sweepFlag ? 1 : 0], [x, y]);
           break;
+
         case 16:
           // absolute smooth cubic (S)
-          x -= curx;x2 -= curx;
-          y -= cury;y2 -= cury;
+          x -= curx;
+          x2 -= curx;
+          y -= cury;
+          y2 -= cury;
         // Fallthrough
+
         case 17:
           // relative smooth cubic (s)
           if (toRel) {
             curx += x;
             cury += y;
           } else {
-            x += curx;x2 += curx;
-            y += cury;y2 += cury;
+            x += curx;
+            x2 += curx;
+            y += cury;
+            y2 += cury;
             curx = x;
             cury = y;
           }
+
           d += pathDSegment(letter, [[x2, y2], [x, y]]);
           break;
       } // switch on path segment type
+
     } // for each segment
+
+
     return d;
   };
-
   /**
    * TODO: refactor callers in convertPath to use getPathDFromSegments instead of this function.
    * Legacy code refactored from svgcanvas.pathActions.convertPath
@@ -6077,34 +6726,36 @@
    * @param {Integer[]} [lastPoint] - x,y point
    * @returns {string}
    */
+
   function pathDSegment(letter, points, morePoints, lastPoint) {
     $$1.each(points, function (i, pnt) {
       points[i] = shortFloat(pnt);
     });
     var segment = letter + points.join(' ');
+
     if (morePoints) {
       segment += ' ' + morePoints.join(' ');
     }
+
     if (lastPoint) {
       segment += ' ' + shortFloat(lastPoint);
     }
+
     return segment;
   }
-
   /**
   * Group: Path edit functions
   * Functions relating to editing path elements
   * @namespace {PlainObject} pathActions
   * @memberof module:path
   */
+
+
   var pathActions = function () {
     var subpath = false;
-    var newPoint = void 0,
-        firstCtrl = void 0;
-
+    var newPoint, firstCtrl;
     var currentPath = null;
-    var hasMoved = false;
-    // No `editorContext_` yet but should be ok as is `null` by default
+    var hasMoved = false; // No `editorContext_` yet but should be ok as is `null` by default
     // editorContext_.setDrawnPath(null);
 
     /**
@@ -6115,12 +6766,13 @@
     * @param {Element} element
     * @returns {Element}
     */
+
     var smoothPolylineIntoPath = function smoothPolylineIntoPath(element) {
-      var i = void 0;
+      var i;
       var _element = element,
           points = _element.points;
-
       var N = points.numberOfItems;
+
       if (N >= 4) {
         // loop through every 3 points and convert to a cubic bezier curve segment
         //
@@ -6139,15 +6791,16 @@
             prevCtlPt = null;
         var d = [];
         d.push(['M', curpos.x, ',', curpos.y, ' C'].join(''));
+
         for (i = 1; i <= N - 4; i += 3) {
           var ct1 = points.getItem(i);
           var ct2 = points.getItem(i + 1);
-          var end = points.getItem(i + 2);
-
-          // if the previous segment had a control point, we want to smooth out
+          var end = points.getItem(i + 2); // if the previous segment had a control point, we want to smooth out
           // the control points on both sides
+
           if (prevCtlPt) {
             var newpts = smoothControlPoints(prevCtlPt, ct1, curpos);
+
             if (newpts && newpts.length === 2) {
               var prevArr = d[d.length - 1].split(',');
               prevArr[2] = newpts[0].x;
@@ -6158,20 +6811,21 @@
           }
 
           d.push([ct1.x, ct1.y, ct2.x, ct2.y, end.x, end.y].join(','));
-
           curpos = end;
           prevCtlPt = ct2;
-        }
-        // handle remaining line segments
+        } // handle remaining line segments
+
+
         d.push('L');
+
         while (i < N) {
           var pt = points.getItem(i);
           d.push([pt.x, pt.y].join(','));
           i++;
         }
-        d = d.join(' ');
 
-        // create new path element
+        d = d.join(' '); // create new path element
+
         element = editorContext_.addSVGElementFromJson({
           element: 'path',
           curStyles: true,
@@ -6180,13 +6834,15 @@
             d: d,
             fill: 'none'
           }
-        });
-        // No need to call "changed", as this is already done under mouseUp
+        }); // No need to call "changed", as this is already done under mouseUp
       }
+
       return element;
     };
 
-    return (/** @lends module:path.pathActions */{
+    return (
+      /** @lends module:path.pathActions */
+      {
         /**
         * @param {MouseEvent} evt
         * @param {Element} mouseTarget
@@ -6195,9 +6851,11 @@
         * @returns {undefined}
         */
         mouseDown: function mouseDown(evt, mouseTarget, startX, startY) {
-          var id = void 0;
+          var id;
+
           if (editorContext_.getCurrentMode() === 'path') {
             var mouseX = startX; // Was this meant to work with the other `mouseX`? (was defined globally so adding `let` to at least avoid a global)
+
             var mouseY = startY; // Was this meant to work with the other `mouseY`? (was defined globally so adding `let` to at least avoid a global)
 
             var currentZoom = editorContext_.getCurrentZoom();
@@ -6223,15 +6881,19 @@
               });
               stretchy = getElem('selectorParentGroup').appendChild(stretchy);
             }
-            stretchy.setAttribute('display', 'inline');
 
+            stretchy.setAttribute('display', 'inline');
             var keep = null;
-            var index = void 0;
-            // if pts array is empty, create path element with M at current point
+            var index; // if pts array is empty, create path element with M at current point
+
             var drawnPath = editorContext_.getDrawnPath();
+
             if (!drawnPath) {
               var dAttr = 'M' + x + ',' + y + ' '; // Was this meant to work with the other `dAttr`? (was defined globally so adding `var` to at least avoid a global)
-              /* drawnPath = */editorContext_.setDrawnPath(editorContext_.addSVGElementFromJson({
+
+              /* drawnPath = */
+
+              editorContext_.setDrawnPath(editorContext_.addSVGElementFromJson({
                 element: 'path',
                 curStyles: true,
                 attr: {
@@ -6239,8 +6901,8 @@
                   id: editorContext_.getNextId(),
                   opacity: editorContext_.getOpacity() / 2
                 }
-              }));
-              // set stretchy line to first point
+              })); // set stretchy line to first point
+
               stretchy.setAttribute('d', ['M', mouseX, mouseY, mouseX, mouseY].join(' '));
               index = subpath ? path.segs.length : 0;
               addPointGrip(index, mouseX, mouseY);
@@ -6250,30 +6912,29 @@
               var i = seglist.numberOfItems;
               var FUZZ = 6 / currentZoom;
               var clickOnPoint = false;
+
               while (i) {
                 i--;
                 var item = seglist.getItem(i);
                 var px = item.x,
-                    py = item.y;
-                // found a matching point
+                    py = item.y; // found a matching point
+
                 if (x >= px - FUZZ && x <= px + FUZZ && y >= py - FUZZ && y <= py + FUZZ) {
                   clickOnPoint = true;
                   break;
                 }
-              }
+              } // get path element that we are in the process of creating
 
-              // get path element that we are in the process of creating
-              id = editorContext_.getId();
 
-              // Remove previous path object if previously created
+              id = editorContext_.getId(); // Remove previous path object if previously created
+
               removePath_(id);
-
               var newpath = getElem(id);
-              var newseg = void 0;
-              var sSeg = void 0;
-              var len = seglist.numberOfItems;
-              // if we clicked on an existing point, then we are done this path, commit it
+              var newseg;
+              var sSeg;
+              var len = seglist.numberOfItems; // if we clicked on an existing point, then we are done this path, commit it
               // (i, i+1) are the x,y that were clicked on
+
               if (clickOnPoint) {
                 // if clicked on any other point but the first OR
                 // the first point was clicked on and there are less than 3 points
@@ -6283,8 +6944,8 @@
                   // Create end segment
                   var absX = seglist.getItem(0).x;
                   var absY = seglist.getItem(0).y;
-
                   sSeg = stretchy.pathSegList.getItem(1);
+
                   if (sSeg.pathSegType === 4) {
                     newseg = drawnPath.createSVGPathSegLinetoAbs(absX, absY);
                   } else {
@@ -6298,11 +6959,13 @@
                   keep = false;
                   return keep;
                 }
-                $$1(stretchy).remove();
 
-                // This will signal to commit the path
+                $$1(stretchy).remove(); // This will signal to commit the path
                 // const element = newpath; // Other event handlers define own `element`, so this was probably not meant to interact with them or one which shares state (as there were none); I therefore adding a missing `var` to avoid a global
-                /* drawnPath = */editorContext_.setDrawnPath(null);
+
+                /* drawnPath = */
+
+                editorContext_.setDrawnPath(null);
                 editorContext_.setStarted(false);
 
                 if (subpath) {
@@ -6314,15 +6977,17 @@
                   var origD = $$1(path.elem).attr('d');
                   $$1(path.elem).attr('d', origD + newD);
                   $$1(newpath).remove();
+
                   if (path.matrix) {
                     recalcRotatedPath();
                   }
+
                   init$1();
                   pathActions.toEditMode(path.elem);
                   path.selectPt();
                   return false;
-                }
-                // else, create a new point, update path element
+                } // else, create a new point, update path element
+
               } else {
                 // Checks if current target or parents are #svgcontent
                 if (!$$1.contains(editorContext_.getContainer(), editorContext_.getMouseTarget(evt))) {
@@ -6340,10 +7005,11 @@
                   var xya = snapToAngle(lastx, lasty, x, y);
                   x = xya.x;
                   y = xya.y;
-                }
+                } // Use the segment defined by stretchy
+
 
-                // Use the segment defined by stretchy
                 sSeg = stretchy.pathSegList.getItem(1);
+
                 if (sSeg.pathSegType === 4) {
                   newseg = drawnPath.createSVGPathSegLinetoAbs(editorContext_.round(x), editorContext_.round(y));
                 } else {
@@ -6351,46 +7017,45 @@
                 }
 
                 drawnPath.pathSegList.appendItem(newseg);
-
                 x *= currentZoom;
-                y *= currentZoom;
+                y *= currentZoom; // set stretchy line to latest point
 
-                // set stretchy line to latest point
                 stretchy.setAttribute('d', ['M', x, y, x, y].join(' '));
                 index = num;
+
                 if (subpath) {
                   index += path.segs.length;
                 }
+
                 addPointGrip(index, x, y);
-              }
-              // keep = true;
+              } // keep = true;
+
             }
 
             return;
-          }
+          } // TODO: Make sure currentPath isn't null at this point
+
 
-          // TODO: Make sure currentPath isn't null at this point
           if (!path) {
             return;
           }
 
           path.storeD();
-
           id = evt.target.id;
+          var curPt;
 
-          var curPt = void 0;
           if (id.substr(0, 14) === 'pathpointgrip_') {
             // Select this point
             curPt = path.cur_pt = parseInt(id.substr(14), 10);
             path.dragging = [startX, startY];
-            var seg = path.segs[curPt];
-
-            // only clear selection if shift is not pressed (otherwise, add
+            var seg = path.segs[curPt]; // only clear selection if shift is not pressed (otherwise, add
             // node to selection)
+
             if (!evt.shiftKey) {
               if (path.selected_pts.length <= 1 || !seg.selected) {
                 path.clearSelection();
               }
+
               path.addPtsToSelection(curPt);
             } else if (seg.selected) {
               path.removePtFromSelection(curPt);
@@ -6399,20 +7064,22 @@
             }
           } else if (id.startsWith('ctrlpointgrip_')) {
             path.dragging = [startX, startY];
-
             var parts = id.split('_')[1].split('c');
             curPt = Number(parts[0]);
             var ctrlNum = Number(parts[1]);
             path.selectPt(curPt, ctrlNum);
-          }
+          } // Start selection box
+
 
-          // Start selection box
           if (!path.dragging) {
             var rubberBox = editorContext_.getRubberBox();
+
             if (rubberBox == null) {
               rubberBox = editorContext_.setRubberBox(editorContext_.selectorManager.getRubberBandBox());
             }
+
             var _currentZoom = editorContext_.getCurrentZoom();
+
             assignAttributes(rubberBox, {
               x: startX * _currentZoom,
               y: startY * _currentZoom,
@@ -6432,40 +7099,36 @@
           var currentZoom = editorContext_.getCurrentZoom();
           hasMoved = true;
           var drawnPath = editorContext_.getDrawnPath();
+
           if (editorContext_.getCurrentMode() === 'path') {
             if (!drawnPath) {
               return;
             }
+
             var seglist = drawnPath.pathSegList;
             var index = seglist.numberOfItems - 1;
 
             if (newPoint) {
               // First point
               // if (!index) { return; }
-
               // Set control points
               var pointGrip1 = addCtrlGrip('1c1');
-              var pointGrip2 = addCtrlGrip('0c2');
+              var pointGrip2 = addCtrlGrip('0c2'); // dragging pointGrip1
 
-              // dragging pointGrip1
               pointGrip1.setAttribute('cx', mouseX);
               pointGrip1.setAttribute('cy', mouseY);
               pointGrip1.setAttribute('display', 'inline');
-
               var ptX = newPoint[0];
-              var ptY = newPoint[1];
-
-              // set curve
+              var ptY = newPoint[1]; // set curve
               // const seg = seglist.getItem(index);
+
               var curX = mouseX / currentZoom;
               var curY = mouseY / currentZoom;
               var altX = ptX + (ptX - curX);
               var altY = ptY + (ptY - curY);
-
               pointGrip2.setAttribute('cx', altX * currentZoom);
               pointGrip2.setAttribute('cy', altY * currentZoom);
               pointGrip2.setAttribute('display', 'inline');
-
               var ctrlLine = getCtrlLine(1);
               assignAttributes(ctrlLine, {
                 x1: mouseX,
@@ -6489,12 +7152,15 @@
                   lastX = firstCtrl[0] / currentZoom;
                   lastY = firstCtrl[1] / currentZoom;
                 }
+
                 replacePathSeg(6, index, [ptX, ptY, lastX, lastY, altX, altY], drawnPath);
               }
             } else {
               var stretchy = getElem('path_stretch_line');
+
               if (stretchy) {
                 var prev = seglist.getItem(index);
+
                 if (prev.pathSegType === 6) {
                   var prevX = prev.x + (prev.x - prev.x2);
                   var prevY = prev.y + (prev.y - prev.y2);
@@ -6506,9 +7172,11 @@
                 }
               }
             }
+
             return;
-          }
-          // if we are dragging a point, let's move it
+          } // if we are dragging a point, let's move it
+
+
           if (path.dragging) {
             var pt = getPointFromGrip({
               x: path.dragging[0],
@@ -6531,14 +7199,14 @@
             path.selected_pts = [];
             path.eachSeg(function (i) {
               var seg = this;
+
               if (!seg.next && !seg.prev) {
                 return;
-              }
+              } // const {item} = seg;
+
 
-              // const {item} = seg;
               var rubberBox = editorContext_.getRubberBox();
               var rbb = rubberBox.getBBox();
-
               var pt = getGripPt(seg);
               var ptBb = {
                 x: pt.x,
@@ -6546,11 +7214,9 @@
                 width: 0,
                 height: 0
               };
-
               var sel = rectsIntersect(rbb, ptBb);
+              this.select(sel); // Note that addPtsToSelection is not being run
 
-              this.select(sel);
-              // Note that addPtsToSelection is not being run
               if (sel) {
                 path.selected_pts.push(seg.index);
               }
@@ -6566,10 +7232,11 @@
         * @returns {undefined}
         */
         mouseUp: function mouseUp(evt, element, mouseX, mouseY) {
-          var drawnPath = editorContext_.getDrawnPath();
-          // Create mode
+          var drawnPath = editorContext_.getDrawnPath(); // Create mode
+
           if (editorContext_.getCurrentMode() === 'path') {
             newPoint = null;
+
             if (!drawnPath) {
               element = getElem(editorContext_.getId());
               editorContext_.setStarted(false);
@@ -6580,13 +7247,13 @@
               keep: true,
               element: element
             };
-          }
+          } // Edit mode
+
 
-          // Edit mode
           var rubberBox = editorContext_.getRubberBox();
+
           if (path.dragging) {
             var lastPt = path.cur_pt;
-
             path.dragging = false;
             path.dragctrl = false;
             path.update();
@@ -6604,12 +7271,12 @@
 
             if (rubberBox.getAttribute('width') <= 2 && rubberBox.getAttribute('height') <= 2) {
               pathActions.toSelectMode(evt.target);
-            }
+            } // else, move back to select mode
 
-            // else, move back to select mode
           } else {
             pathActions.toSelectMode(evt.target);
           }
+
           hasMoved = false;
         },
 
@@ -6672,8 +7339,7 @@
         select: function select(target) {
           if (currentPath === target) {
             pathActions.toEditMode(target);
-            editorContext_.setCurrentMode('pathedit');
-            // going into pathedit mode
+            editorContext_.setCurrentMode('pathedit'); // going into pathedit mode
           } else {
             currentPath = target;
           }
@@ -6685,10 +7351,13 @@
         */
         reorient: function reorient() {
           var elem = editorContext_.getSelectedElements()[0];
+
           if (!elem) {
             return;
           }
+
           var angle = getRotationAngle(elem);
+
           if (angle === 0) {
             return;
           }
@@ -6701,19 +7370,14 @@
           batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));
           editorContext_.clearSelection();
           this.resetOrientation(elem);
+          editorContext_.addCommandToHistory(batchCmd); // Set matrix to null
 
-          editorContext_.addCommandToHistory(batchCmd);
-
-          // Set matrix to null
           getPath_(elem).show(false).matrix = null;
-
           this.clear();
-
           editorContext_.addToSelection([elem], true);
           editorContext_.call('changed', editorContext_.getSelectedElements());
         },
 
-
         /**
         * @param {boolean} remove Not in use
         * @returns {undefined}
@@ -6721,6 +7385,7 @@
         clear: function clear(remove) {
           var drawnPath = editorContext_.getDrawnPath();
           currentPath = null;
+
           if (drawnPath) {
             var elem = getElem(editorContext_.getId());
             $$1(getElem('path_stretch_line')).remove();
@@ -6732,6 +7397,7 @@
           } else if (editorContext_.getCurrentMode() === 'pathedit') {
             this.toSelectMode();
           }
+
           if (path) {
             path.init().show(false);
           }
@@ -6745,19 +7411,17 @@
           if (pth == null || pth.nodeName !== 'path') {
             return false;
           }
+
           var tlist = getTransformList(pth);
           var m = transformListToTransform(tlist).matrix;
           tlist.clear();
           pth.removeAttribute('transform');
-          var segList = pth.pathSegList;
-
-          // Opera/win/non-EN throws an error here.
+          var segList = pth.pathSegList; // Opera/win/non-EN throws an error here.
           // TODO: Find out why!
           // Presumed fixed in Opera 10.5, so commented out for now
-
           // try {
-          var len = segList.numberOfItems;
-          // } catch(err) {
+
+          var len = segList.numberOfItems; // } catch(err) {
           //   const fixed_d = pathActions.convertPath(pth);
           //   pth.setAttribute('d', fixed_d);
           //   segList = pth.pathSegList;
@@ -6768,13 +7432,16 @@
           var _loop = function _loop(i) {
             var seg = segList.getItem(i);
             var type = seg.pathSegType;
+
             if (type === 1) {
-              return 'continue';
+              return "continue";
             }
+
             var pts = [];
             $$1.each(['', 1, 2], function (j, n) {
               var x = seg['x' + n],
                   y = seg['y' + n];
+
               if (x !== undefined && y !== undefined) {
                 var pt = transformPoint(x, y, m);
                 pts.splice(pts.length, 0, pt.x, pt.y);
@@ -6786,7 +7453,7 @@
           for (var i = 0; i < len; ++i) {
             var _ret = _loop(i);
 
-            if (_ret === 'continue') continue;
+            if (_ret === "continue") continue;
           }
 
           reorientGrads(pth, m);
@@ -6807,12 +7474,12 @@
         * @property {Float} y
         * @property {Integer} type
         */
+
         /**
         * @returns {module:path.NodePoint}
         */
         getNodePoint: function getNodePoint() {
           var selPt = path.selected_pts.length ? path.selected_pts[0] : 1;
-
           var seg = path.segs[selPt];
           return {
             x: seg.item.x,
@@ -6834,9 +7501,7 @@
         */
         clonePathNode: function clonePathNode() {
           path.storeD();
-
-          var selPts = path.selected_pts;
-          // const {segs} = path;
+          var selPts = path.selected_pts; // const {segs} = path;
 
           var i = selPts.length;
           var nums = [];
@@ -6844,12 +7509,11 @@
           while (i--) {
             var pt = selPts[i];
             path.addSeg(pt);
-
             nums.push(pt + i);
             nums.push(pt + i + 1);
           }
-          path.init().addPtsToSelection(nums);
 
+          path.init().addPtsToSelection(nums);
           path.endChanges('Clone path node(s)');
         },
 
@@ -6857,37 +7521,35 @@
         * @returns {undefined}
         */
         opencloseSubPath: function opencloseSubPath() {
-          var selPts = path.selected_pts;
-          // Only allow one selected node for now
+          var selPts = path.selected_pts; // Only allow one selected node for now
+
           if (selPts.length !== 1) {
             return;
           }
 
           var _path = path,
               elem = _path.elem;
-
-          var list = elem.pathSegList;
-
-          // const len = list.numberOfItems;
+          var list = elem.pathSegList; // const len = list.numberOfItems;
 
           var index = selPts[0];
-
           var openPt = null;
-          var startItem = null;
+          var startItem = null; // Check if subpath is already open
 
-          // Check if subpath is already open
           path.eachSeg(function (i) {
             if (this.type === 2 && i <= index) {
               startItem = this.item;
             }
+
             if (i <= index) {
               return true;
             }
+
             if (this.type === 2) {
               // Found M first, so open
               openPt = i;
               return false;
             }
+
             if (this.type === 1) {
               // Found Z first, so closed
               openPt = false;
@@ -6902,11 +7564,10 @@
 
           if (openPt !== false) {
             // Close this path
-
             // Create a line going to the previous "M"
             var newseg = elem.createSVGPathSegLinetoAbs(startItem.x, startItem.y);
-
             var closer = elem.createSVGPathSegClosePath();
+
             if (openPt === path.segs.length - 1) {
               list.appendItem(newseg);
               list.appendItem(closer);
@@ -6917,27 +7578,25 @@
 
             path.init().selectPt(openPt + 1);
             return;
-          }
-
-          // M 1,1 L 2,2 L 3,3 L 1,1 z // open at 2,2
+          } // M 1,1 L 2,2 L 3,3 L 1,1 z // open at 2,2
           // M 2,2 L 3,3 L 1,1
-
           // M 1,1 L 2,2 L 1,1 z M 4,4 L 5,5 L6,6 L 5,5 z
           // M 1,1 L 2,2 L 1,1 z [M 4,4] L 5,5 L(M)6,6 L 5,5 z
 
+
           var seg = path.segs[index];
 
           if (seg.mate) {
             list.removeItem(index); // Removes last "L"
+
             list.removeItem(index); // Removes the "Z"
+
             path.init().selectPt(index - 1);
             return;
           }
 
-          var lastM = void 0,
-              zSeg = void 0;
+          var lastM, zSeg; // Find this sub-path's closing point and remove
 
-          // Find this sub-path's closing point and remove
           for (var i = 0; i < list.numberOfItems; i++) {
             var item = list.getItem(i);
 
@@ -6946,8 +7605,7 @@
               lastM = i;
             } else if (i === index) {
               // Remove it
-              list.removeItem(lastM);
-              // index--;
+              list.removeItem(lastM); // index--;
             } else if (item.pathSegType === 1 && index < i) {
               // Remove the closing seg of this subpath
               zSeg = i - 1;
@@ -6962,12 +7620,9 @@
             insertItemBefore(elem, list.getItem(lastM), zSeg);
           }
 
-          var pt = list.getItem(lastM);
+          var pt = list.getItem(lastM); // Make this point the new "M"
 
-          // Make this point the new "M"
-          replacePathSeg(2, lastM, [pt.x, pt.y]);
-
-          // i = index; // i is local here, so has no effect; what was the intent for this?
+          replacePathSeg(2, lastM, [pt.x, pt.y]); // i = index; // i is local here, so has no effect; what was the intent for this?
 
           path.init().selectPt(0);
         },
@@ -6979,17 +7634,17 @@
           if (!pathActions.canDeleteNodes) {
             return;
           }
+
           path.storeD();
-
           var selPts = path.selected_pts;
-
           var i = selPts.length;
+
           while (i--) {
             var pt = selPts[i];
             path.deleteSeg(pt);
-          }
+          } // Cleanup
+
 
-          // Cleanup
           var cleanup = function cleanup() {
             var segList = path.elem.pathSegList;
             var len = segList.numberOfItems;
@@ -7006,9 +7661,11 @@
 
             while (len--) {
               var item = segList.getItem(len);
+
               if (item.pathSegType === 1) {
                 var prev = segList.getItem(len - 1);
                 var nprev = segList.getItem(len - 2);
+
                 if (prev.pathSegType === 2) {
                   remItems(len - 1, 2);
                   cleanup();
@@ -7020,13 +7677,12 @@
                 }
               } else if (item.pathSegType === 2) {
                 if (len > 0) {
-                  var prevType = segList.getItem(len - 1).pathSegType;
-                  // Path has M M
+                  var prevType = segList.getItem(len - 1).pathSegType; // Path has M M
+
                   if (prevType === 2) {
                     remItems(len - 1, 1);
                     cleanup();
-                    break;
-                    // Entire path ends with Z M
+                    break; // Entire path ends with Z M
                   } else if (prevType === 1 && segList.numberOfItems - 1 === len) {
                     remItems(len, 1);
                     cleanup();
@@ -7035,12 +7691,12 @@
                 }
               }
             }
+
             return false;
           };
 
-          cleanup();
+          cleanup(); // Completely delete a path with 1 or 0 segments
 
-          // Completely delete a path with 1 or 0 segments
           if (path.elem.pathSegList.numberOfItems <= 1) {
             pathActions.toSelectMode(path.elem);
             editorContext_.canvas.deleteSelectedElements();
@@ -7048,25 +7704,26 @@
           }
 
           path.init();
-          path.clearSelection();
-
-          // TODO: Find right way to select point now
+          path.clearSelection(); // TODO: Find right way to select point now
           // path.selectPt(selPt);
+
           if (window.opera) {
             // Opera repaints incorrectly
             var cp = $$1(path.elem);
             cp.attr('d', cp.attr('d'));
           }
+
           path.endChanges('Delete path node(s)');
         },
-
         // Can't seem to use `@borrows` here, so using `@see`
+
         /**
         * Smooth polyline into path
         * @function module:path.pathActions.smoothPolylineIntoPath
         * @see module:path~smoothPolylineIntoPath
         */
         smoothPolylineIntoPath: smoothPolylineIntoPath,
+
         /**
         * @returns {undefined}
         */
@@ -7081,17 +7738,19 @@
         */
         moveNode: function moveNode(attr, newValue) {
           var selPts = path.selected_pts;
+
           if (!selPts.length) {
             return;
           }
 
-          path.storeD();
+          path.storeD(); // Get first selected point
 
-          // Get first selected point
           var seg = path.segs[selPts[0]];
-          var diff = { x: 0, y: 0 };
+          var diff = {
+            x: 0,
+            y: 0
+          };
           diff[attr] = newValue - seg.item[attr];
-
           seg.move(diff.x, diff.y);
           path.endChanges('Move path point');
         },
@@ -7106,31 +7765,35 @@
           // M0,0 L0,100 L100,100 z
           var segList = elem.pathSegList;
           var len = segList.numberOfItems;
-          var lastM = void 0;
+          var lastM;
+
           for (var i = 0; i < len; ++i) {
             var item = segList.getItem(i);
+
             if (item.pathSegType === 2) {
               lastM = item;
             }
 
             if (item.pathSegType === 1) {
               var prev = segList.getItem(i - 1);
+
               if (prev.x !== lastM.x || prev.y !== lastM.y) {
                 // Add an L segment here
                 var newseg = elem.createSVGPathSegLinetoAbs(lastM.x, lastM.y);
-                insertItemBefore(elem, newseg, i);
-                // Can this be done better?
+                insertItemBefore(elem, newseg, i); // Can this be done better?
+
                 pathActions.fixEnd(elem);
                 break;
               }
             }
           }
+
           if (isWebkit()) {
             editorContext_.resetD(elem);
           }
         },
-
         // Can't seem to use `@borrows` here, so using `@see`
+
         /**
         * Convert a path to one with only absolute or relative values
         * @function module:path.pathActions.convertPath
@@ -7139,26 +7802,19 @@
         convertPath: convertPath
       }
     );
-  }();
+  }(); // end pathActions
 
-  /* globals jQuery */
+  var $$2 = jqPluginSVG(jQuery); // String used to encode base64.
 
-  // Constants
-  var $$2 = jqPluginSVG(jQuery);
+  var KEYSTR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; // Much faster than running getBBox() every time
 
-  // String used to encode base64.
-  var KEYSTR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
-
-  // Much faster than running getBBox() every time
   var visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use';
-  var visElemsArr = visElems.split(',');
-  // const hidElems = 'clipPath,defs,desc,feGaussianBlur,filter,linearGradient,marker,mask,metadata,pattern,radialGradient,stop,switch,symbol,title,textPath';
+  var visElemsArr = visElems.split(','); // const hidElems = 'clipPath,defs,desc,feGaussianBlur,filter,linearGradient,marker,mask,metadata,pattern,radialGradient,stop,switch,symbol,title,textPath';
 
   var editorContext_$1 = null;
   var domdoc_ = null;
   var domcontainer_ = null;
   var svgroot_ = null;
-
   /**
   * Object with the following keys/values
   * @typedef {PlainObject} module:utilities.SVGElementJSON
@@ -7175,10 +7831,12 @@
    * @interface module:utilities.EditorContext
    * @property {module:path.pathActions} pathActions
    */
+
   /**
    * @function module:utilities.EditorContext#getSVGContent
    * @returns {SVGSVGElement}
    */
+
   /**
    * Create a new SVG element based on the given object keys/values and add it
    * to the current layer.
@@ -7187,26 +7845,32 @@
    * @param {module:utilities.SVGElementJSON} data
    * @returns {Element} The new element
   */
+
   /**
    * @function module:utilities.EditorContext#getSelectedElements
    * @returns {Element[]} the array with selected DOM elements
   */
+
   /**
    * @function module:utilities.EditorContext#getDOMDocument
    * @returns {HTMLDocument}
   */
+
   /**
    * @function module:utilities.EditorContext#getDOMContainer
    * @returns {HTMLElement}
   */
+
   /**
    * @function module:utilities.EditorContext#getSVGRoot
    * @returns {SVGSVGElement}
   */
+
   /**
    * @function module:utilities.EditorContext#getBaseUnit
    * @returns {string}
   */
+
   /**
    * @function module:utilities.EditorContext#getSnappingStep
    * @returns {Float|string}
@@ -7217,13 +7881,13 @@
   * @param {module:utilities.EditorContext} editorContext
   * @returns {undefined}
   */
+
   var init$2 = function init$$1(editorContext) {
     editorContext_$1 = editorContext;
     domdoc_ = editorContext.getDOMDocument();
     domcontainer_ = editorContext.getDOMContainer();
     svgroot_ = editorContext.getSVGRoot();
   };
-
   /**
    * Used to prevent the [Billion laughs attack]{@link https://en.wikipedia.org/wiki/Billion_laughs_attack}
    * @function module:utilities.dropXMLInteralSubset
@@ -7231,10 +7895,10 @@
    * @returns {string} The string with entity declarations in the internal subset removed
    * @todo This might be needed in other places `parseFromString` is used even without LGTM flagging
    */
+
   var dropXMLInteralSubset = function dropXMLInteralSubset(str) {
     return str.replace(/(<!DOCTYPE\s+\w*\s*\[).*(\?\]>)/, '$1$2');
   };
-
   /**
   * Converts characters in a string to XML-friendly entities.
   * @function module:utilities.toXml
@@ -7242,16 +7906,14 @@
   * @param {string} str - The string to be converted
   * @returns {string} The converted string
   */
+
   var toXml = function toXml(str) {
     // &apos; is ok in XML, but not HTML
     // &gt; does not normally need escaping, though it can if within a CDATA expression (and preceded by "]]")
     return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(/'/g, '&#x27;'); // Note: `&apos;` is XML only
   };
-
-  // This code was written by Tyler Akins and has been placed in the
   // public domain.  It would be nice if you left this header intact.
   // Base64 code from Tyler Akins -- http://rumkin.com
-
   // schiller: Removed string concatenation in favour of Array.join() optimization,
   //        also precalculate the size of the array needed.
 
@@ -7261,26 +7923,27 @@
   * @param {string} input
   * @returns {string} Base64 output
   */
+
   var encode64 = function encode64(input) {
     // base64 strings are 4/3 larger than the original string
     input = encodeUTF8(input); // convert non-ASCII characters
     // input = convertToXMLReferences(input);
+
     if (window.btoa) {
       return window.btoa(input); // Use native if available
     }
+
     var output = [];
     output.length = Math.floor((input.length + 2) / 3) * 4;
-
     var i = 0,
         p = 0;
+
     do {
       var chr1 = input.charCodeAt(i++);
       var chr2 = input.charCodeAt(i++);
       var chr3 = input.charCodeAt(i++);
-
       var enc1 = chr1 >> 2;
       var enc2 = (chr1 & 3) << 4 | chr2 >> 4;
-
       var enc3 = (chr2 & 15) << 2 | chr3 >> 6;
       var enc4 = chr3 & 63;
 
@@ -7298,21 +7961,20 @@
 
     return output.join('');
   };
-
   /**
   * Converts a string from base64
   * @function module:utilities.decode64
   * @param {string} input Base64-encoded input
   * @returns {string} Decoded output
   */
+
   var decode64 = function decode64(input) {
     if (window.atob) {
       return decodeUTF8(window.atob(input));
-    }
+    } // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
+
 
-    // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
     input = input.replace(/[^A-Za-z0-9+/=]/g, '');
-
     var output = '';
     var i = 0;
 
@@ -7321,88 +7983,96 @@
       var enc2 = KEYSTR.indexOf(input.charAt(i++));
       var enc3 = KEYSTR.indexOf(input.charAt(i++));
       var enc4 = KEYSTR.indexOf(input.charAt(i++));
-
       var chr1 = enc1 << 2 | enc2 >> 4;
       var chr2 = (enc2 & 15) << 4 | enc3 >> 2;
       var chr3 = (enc3 & 3) << 6 | enc4;
-
       output += String.fromCharCode(chr1);
 
       if (enc3 !== 64) {
         output = output + String.fromCharCode(chr2);
       }
+
       if (enc4 !== 64) {
         output = output + String.fromCharCode(chr3);
       }
     } while (i < input.length);
+
     return decodeUTF8(output);
   };
-
   /**
   * @function module:utilities.decodeUTF8
   * @param {string} argString
   * @returns {string}
   */
+
   var decodeUTF8 = function decodeUTF8(argString) {
     return decodeURIComponent(escape(argString));
-  };
+  }; // codedread:does not seem to work with webkit-based browsers on OSX // Brettz9: please test again as function upgraded
 
-  // codedread:does not seem to work with webkit-based browsers on OSX // Brettz9: please test again as function upgraded
   /**
   * @function module:utilities.encodeUTF8
   * @param {string} argString
   * @returns {string}
   */
+
   var encodeUTF8 = function encodeUTF8(argString) {
     return unescape(encodeURIComponent(argString));
   };
-
   /**
    * convert dataURL to object URL
    * @function module:utilities.dataURLToObjectURL
    * @param {string} dataurl
    * @returns {string} object URL or empty string
    */
+
   var dataURLToObjectURL = function dataURLToObjectURL(dataurl) {
     if (typeof Uint8Array === 'undefined' || typeof Blob === 'undefined' || typeof URL === 'undefined' || !URL.createObjectURL) {
       return '';
     }
+
     var arr = dataurl.split(','),
         mime = arr[0].match(/:(.*?);/)[1],
         bstr = atob(arr[1]);
     var n = bstr.length;
     var u8arr = new Uint8Array(n);
+
     while (n--) {
       u8arr[n] = bstr.charCodeAt(n);
     }
-    var blob = new Blob([u8arr], { type: mime });
+
+    var blob = new Blob([u8arr], {
+      type: mime
+    });
     return URL.createObjectURL(blob);
   };
-
   /**
    * get object URL for a blob object
    * @function module:utilities.createObjectURL
    * @param {Blob} blob A Blob object or File object
    * @returns {string} object URL or empty string
    */
+
   var createObjectURL = function createObjectURL(blob) {
     if (!blob || typeof URL === 'undefined' || !URL.createObjectURL) {
       return '';
     }
+
     return URL.createObjectURL(blob);
   };
-
   /**
    * @property {string} blankPageObjectURL
    */
+
   var blankPageObjectURL = function () {
     if (typeof Blob === 'undefined') {
       return '';
     }
-    var blob = new Blob(['<html><head><title>SVG-edit</title></head><body>&nbsp;</body></html>'], { type: 'text/html' });
+
+    var blob = new Blob(['<html><head><title>SVG-edit</title></head><body>&nbsp;</body></html>'], {
+      type: 'text/html'
+    });
     return createObjectURL(blob);
   }();
-
   /**
   * Cross-browser compatible method of converting a string to an XML tree
   * found this function [here]{@link http://groups.google.com/group/jquery-dev/browse_thread/thread/c6d11387c580a77f}
@@ -7411,19 +8081,21 @@
   * @throws {Error}
   * @returns {XMLDocument}
   */
+
   var text2xml = function text2xml(sXML) {
     if (sXML.includes('<svg:svg')) {
       sXML = sXML.replace(/<(\/?)svg:/g, '<$1').replace('xmlns:svg', 'xmlns');
     }
 
-    var out = void 0,
-        dXML = void 0;
+    var out, dXML;
+
     try {
       dXML = window.DOMParser ? new DOMParser() : new window.ActiveXObject('Microsoft.XMLDOM');
       dXML.async = false;
     } catch (e) {
       throw new Error('XML Parser could not be instantiated');
     }
+
     try {
       if (dXML.loadXML) {
         out = dXML.loadXML(sXML) ? dXML : false;
@@ -7433,9 +8105,9 @@
     } catch (e2) {
       throw new Error('Error parsing XML string');
     }
+
     return out;
   };
-
   /**
   * @typedef {PlainObject} module:utilities.BBoxObject (like `DOMRect`)
   * @property {Float} x
@@ -7450,15 +8122,19 @@
   * @param {SVGRect} bbox - a SVGRect
   * @returns {module:utilities.BBoxObject} An object with properties names x, y, width, height.
   */
+
   var bboxToObj = function bboxToObj(_ref) {
     var x = _ref.x,
         y = _ref.y,
         width = _ref.width,
         height = _ref.height;
-
-    return { x: x, y: y, width: width, height: height };
+    return {
+      x: x,
+      y: y,
+      width: width,
+      height: height
+    };
   };
-
   /**
   * @callback module:utilities.TreeWalker
   * @param {Element} elem - DOM element being traversed
@@ -7472,16 +8148,17 @@
   * @param {module:utilities.TreeWalker} cbFn - Callback function to run on each element
   * @returns {undefined}
   */
+
   var walkTree = function walkTree(elem, cbFn) {
     if (elem && elem.nodeType === 1) {
       cbFn(elem);
       var i = elem.childNodes.length;
+
       while (i--) {
         walkTree(elem.childNodes.item(i), cbFn);
       }
     }
   };
-
   /**
   * Walks the tree and executes the callback on each element in a depth-first fashion
   * @function module:utilities.walkTreePost
@@ -7490,16 +8167,18 @@
   * @param {module:utilities.TreeWalker} cbFn - Callback function to run on each element
   * @returns {undefined}
   */
+
   var walkTreePost = function walkTreePost(elem, cbFn) {
     if (elem && elem.nodeType === 1) {
       var i = elem.childNodes.length;
+
       while (i--) {
         walkTree(elem.childNodes.item(i), cbFn);
       }
+
       cbFn(elem);
     }
   };
-
   /**
   * Extracts the URL from the `url(...)` syntax of some attributes.
   * Three variants:
@@ -7510,32 +8189,35 @@
   * @param {string} attrVal The attribute value as a string
   * @returns {string} String with just the URL, like "someFile.svg#foo"
   */
+
   var getUrlFromAttr = function getUrlFromAttr(attrVal) {
     if (attrVal) {
       // url('#somegrad')
       if (attrVal.startsWith('url("')) {
         return attrVal.substring(5, attrVal.indexOf('"', 6));
-      }
-      // url('#somegrad')
+      } // url('#somegrad')
+
+
       if (attrVal.startsWith("url('")) {
         return attrVal.substring(5, attrVal.indexOf("'", 6));
       }
+
       if (attrVal.startsWith('url(')) {
         return attrVal.substring(4, attrVal.indexOf(')'));
       }
     }
+
     return null;
   };
-
   /**
   * @function module:utilities.getHref
   * @param {Element} elem
   * @returns {string} The given element's `xlink:href` value
   */
+
   var getHref = function getHref(elem) {
     return elem.getAttributeNS(NS.XLINK, 'href');
   };
-
   /**
   * Sets the given element's `xlink:href` value
   * @function module:utilities.setHref
@@ -7543,33 +8225,34 @@
   * @param {string} val
   * @returns {undefined}
   */
+
   var setHref = function setHref(elem, val) {
     elem.setAttributeNS(NS.XLINK, 'xlink:href', val);
   };
-
   /**
   * @function module:utilities.findDefs
   * @returns {SVGDefsElement} The document's `<defs>` element, creating it first if necessary
   */
+
   var findDefs = function findDefs() {
     var svgElement = editorContext_$1.getSVGContent();
     var defs = svgElement.getElementsByTagNameNS(NS.SVG, 'defs');
+
     if (defs.length > 0) {
       defs = defs[0];
     } else {
       defs = svgElement.ownerDocument.createElementNS(NS.SVG, 'defs');
+
       if (svgElement.firstChild) {
         // first child is a comment, so call nextSibling
-        svgElement.insertBefore(defs, svgElement.firstChild.nextSibling);
-        // svgElement.firstChild.nextSibling.before(defs); // Not safe
+        svgElement.insertBefore(defs, svgElement.firstChild.nextSibling); // svgElement.firstChild.nextSibling.before(defs); // Not safe
       } else {
         svgElement.append(defs);
       }
     }
-    return defs;
-  };
 
-  // TODO(codedread): Consider moving the next to functions to bbox.js
+    return defs;
+  }; // TODO(codedread): Consider moving the next to functions to bbox.js
 
   /**
   * Get correct BBox for a path in Webkit.
@@ -7578,10 +8261,10 @@
   * @param {SVGPathElement} path - The path DOM element to get the BBox for
   * @returns {module:utilities.BBoxObject} A BBox-like object
   */
+
   var getPathBBox = function getPathBBox(path$$1) {
     var seglist = path$$1.pathSegList;
     var tot = seglist.numberOfItems;
-
     var bounds = [[], []];
     var start = seglist.getItem(0);
     var P0 = [start.x, start.y];
@@ -7591,9 +8274,9 @@
 
       if (seg.x === undefined) {
         continue;
-      }
+      } // Add actual points to limits
+
 
-      // Add actual points to limits
       bounds[0].push(P0[0]);
       bounds[1].push(P0[1]);
 
@@ -7614,33 +8297,43 @@
 
             if (a === 0) {
               if (b === 0) {
-                return 'continue';
+                return "continue";
               }
+
               var t = -c / b;
+
               if (t > 0 && t < 1) {
                 bounds[j].push(calc(t));
               }
-              return 'continue';
+
+              return "continue";
             }
+
             var b2ac = Math.pow(b, 2) - 4 * c * a;
+
             if (b2ac < 0) {
-              return 'continue';
+              return "continue";
             }
+
             var t1 = (-b + Math.sqrt(b2ac)) / (2 * a);
+
             if (t1 > 0 && t1 < 1) {
               bounds[j].push(calc(t1));
             }
+
             var t2 = (-b - Math.sqrt(b2ac)) / (2 * a);
+
             if (t2 > 0 && t2 < 1) {
               bounds[j].push(calc(t2));
             }
           };
 
           for (var j = 0; j < 2; j++) {
-            var _ret2 = _loop(j);
+            var _ret = _loop(j);
 
-            if (_ret2 === 'continue') continue;
+            if (_ret === "continue") continue;
           }
+
           P0 = P3;
         })();
       } else {
@@ -7660,7 +8353,6 @@
       height: h
     };
   };
-
   /**
   * Get the given/selected element's bounding box object, checking for
   * horizontal/vertical lines (see issue 717)
@@ -7669,16 +8361,17 @@
   * @param {Element} selected - Container or `<use>` DOM element
   * @returns {DOMRect} Bounding box object
   */
+
   function groupBBFix(selected) {
     if (supportsHVLineContainerBBox()) {
       try {
         return selected.getBBox();
       } catch (e) {}
     }
+
     var ref = $$2.data(selected, 'ref');
     var matched = null;
-    var ret = void 0,
-        copy = void 0;
+    var ret, copy;
 
     if (ref) {
       copy = $$2(ref).children().clone().attr('visibility', 'hidden');
@@ -7689,13 +8382,16 @@
     }
 
     var issue = false;
+
     if (matched.length) {
       matched.each(function () {
         var bb = this.getBBox();
+
         if (!bb.width || !bb.height) {
           issue = true;
         }
       });
+
       if (issue) {
         var elems = ref ? copy : $$2(selected).children();
         ret = getStrokedBBox(elems);
@@ -7705,12 +8401,13 @@
     } else {
       ret = selected.getBBox();
     }
+
     if (ref) {
       copy.remove();
     }
+
     return ret;
   }
-
   /**
   * Get the given/selected element's bounding box object, convert it to be more
   * usable when necessary
@@ -7718,18 +8415,23 @@
   * @param {Element} elem - Optional DOM element to get the BBox for
   * @returns {module:utilities.BBoxObject} Bounding box object
   */
+
+
   var getBBox = function getBBox(elem) {
     var selected = elem || editorContext_$1.geSelectedElements()[0];
+
     if (elem.nodeType !== 1) {
       return null;
     }
-    var elname = selected.nodeName;
 
+    var elname = selected.nodeName;
     var ret = null;
+
     switch (elname) {
       case 'text':
         if (selected.textContent === '') {
           selected.textContent = 'a'; // Some character needed for the selector to use.
+
           ret = selected.getBBox();
           selected.textContent = '';
         } else {
@@ -7737,7 +8439,9 @@
             ret = selected.getBBox();
           }
         }
+
         break;
+
       case 'path':
         if (!supportsPathBBox()) {
           ret = getPathBBox(selected);
@@ -7746,23 +8450,27 @@
             ret = selected.getBBox();
           }
         }
+
         break;
+
       case 'g':
       case 'a':
         ret = groupBBFix(selected);
         break;
-      default:
 
+      default:
         if (elname === 'use') {
           ret = groupBBFix(selected); // , true);
         }
+
         if (elname === 'use' || elname === 'foreignObject' && isWebkit()) {
           if (!ret) {
             ret = selected.getBBox();
-          }
-          // This is resolved in later versions of webkit, perhaps we should
+          } // This is resolved in later versions of webkit, perhaps we should
           // have a featured detection for correct 'use' behavior?
           // ——————————
+
+
           if (!isWebkit()) {
             var bb = {};
             bb.width = ret.width;
@@ -7779,7 +8487,9 @@
               // tspan (and textPath apparently) have no `getBBox` in Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=937268
               // Re: Chrome returning bbox for containing text element, see: https://bugs.chromium.org/p/chromium/issues/detail?id=349835
               var extent = selected.getExtentOfChar(0); // pos+dimensions of the first glyph
+
               var width = selected.getComputedTextLength(); // width of the tspan
+
               ret = {
                 x: extent.x,
                 y: extent.y,
@@ -7790,6 +8500,7 @@
           } else {
             // Check if element is child of a foreignObject
             var fo = $$2(selected).closest('foreignObject');
+
             if (fo.length) {
               if (fo[0].getBBox) {
                 ret = fo[0].getBBox();
@@ -7797,15 +8508,16 @@
             }
           }
         }
+
     }
+
     if (ret) {
       ret = bboxToObj(ret);
-    }
+    } // get the bounding box from the DOM (which is in that element's coordinate system)
+
 
-    // get the bounding box from the DOM (which is in that element's coordinate system)
     return ret;
   };
-
   /**
   * @typedef {GenericArray} module:utilities.PathSegmentArray
   * @property {Integer} length 2
@@ -7820,36 +8532,34 @@
   * @param {module:utilities.PathSegmentArray[]} pathSegments - An array of path segments to be converted
   * @returns {string} The converted path d attribute.
   */
+
   var getPathDFromSegments = function getPathDFromSegments(pathSegments) {
     var d = '';
-
     $$2.each(pathSegments, function (j, _ref2) {
-      var _ref3 = slicedToArray(_ref2, 2),
+      var _ref3 = _slicedToArray(_ref2, 2),
           singleChar = _ref3[0],
           pts = _ref3[1];
 
       d += singleChar;
+
       for (var i = 0; i < pts.length; i += 2) {
         d += pts[i] + ',' + pts[i + 1] + ' ';
       }
     });
-
     return d;
   };
-
   /**
   * Make a path 'd' attribute from a simple SVG element shape.
   * @function module:utilities.getPathDFromElement
   * @param {Element} elem - The element to be converted
   * @returns {string} The path d attribute or `undefined` if the element type is unknown.
   */
+
   var getPathDFromElement = function getPathDFromElement(elem) {
     // Possibly the cubed root of 6, but 1.81 works best
     var num = 1.81;
-    var d = void 0,
-        a = void 0,
-        rx = void 0,
-        ry = void 0;
+    var d, a, rx, ry;
+
     switch (elem.tagName) {
       case 'ellipse':
       case 'circle':
@@ -7867,30 +8577,33 @@
 
         d = getPathDFromSegments([['M', [cx - rx, cy]], ['C', [cx - rx, cy - ry / num, cx - rx / num, cy - ry, cx, cy - ry]], ['C', [cx + rx / num, cy - ry, cx + rx, cy - ry / num, cx + rx, cy]], ['C', [cx + rx, cy + ry / num, cx + rx / num, cy + ry, cx, cy + ry]], ['C', [cx - rx / num, cy + ry, cx - rx, cy + ry / num, cx - rx, cy]], ['Z', []]]);
         break;
+
       case 'path':
         d = elem.getAttribute('d');
         break;
+
       case 'line':
         a = $$2(elem).attr(['x1', 'y1', 'x2', 'y2']);
         d = 'M' + a.x1 + ',' + a.y1 + 'L' + a.x2 + ',' + a.y2;
         break;
+
       case 'polyline':
         d = 'M' + elem.getAttribute('points');
         break;
+
       case 'polygon':
         d = 'M' + elem.getAttribute('points') + ' Z';
         break;
+
       case 'rect':
         var r = $$2(elem).attr(['rx', 'ry']);
         rx = r.rx;
         ry = r.ry;
-
-        var _b = elem.getBBox();
-        var x = _b.x,
-            y = _b.y,
-            w = _b.width,
-            h = _b.height;
-
+        var b = elem.getBBox();
+        var x = b.x,
+            y = b.y,
+            w = b.width,
+            h = b.height;
         num = 4 - num; // Why? Because!
 
         if (!rx && !ry) {
@@ -7899,33 +8612,35 @@
         } else {
           d = getPathDFromSegments([['M', [x, y + ry]], ['C', [x, y + ry / num, x + rx / num, y, x + rx, y]], ['L', [x + w - rx, y]], ['C', [x + w - rx / num, y, x + w, y + ry / num, x + w, y + ry]], ['L', [x + w, y + h - ry]], ['C', [x + w, y + h - ry / num, x + w - rx / num, y + h, x + w - rx, y + h]], ['L', [x + rx, y + h]], ['C', [x + rx / num, y + h, x, y + h - ry / num, x, y + h - ry]], ['L', [x, y + ry]], ['Z', []]]);
         }
+
         break;
+
       default:
         break;
     }
 
     return d;
   };
-
   /**
   * Get a set of attributes from an element that is useful for convertToPath.
   * @function module:utilities.getExtraAttributesForConvertToPath
   * @param {Element} elem - The element to be probed
   * @returns {PlainObject.<"marker-start"|"marker-end"|"marker-mid"|"filter"|"clip-path", string>} An object with attributes.
   */
+
   var getExtraAttributesForConvertToPath = function getExtraAttributesForConvertToPath(elem) {
-    var attrs = {};
-    // TODO: make this list global so that we can properly maintain it
+    var attrs = {}; // TODO: make this list global so that we can properly maintain it
     // TODO: what about @transform, @clip-rule, @fill-rule, etc?
+
     $$2.each(['marker-start', 'marker-end', 'marker-mid', 'filter', 'clip-path'], function () {
       var a = elem.getAttribute(this);
+
       if (a) {
         attrs[this] = a;
       }
     });
     return attrs;
   };
-
   /**
   * Get the BBox of an element-as-path
   * @function module:utilities.getBBoxOfElementAsPath
@@ -7934,18 +8649,20 @@
   * @param {module:path.pathActions} pathActions - If a transform exists, `pathActions.resetOrientation()` is used. See: canvas.pathActions.
   * @returns {DOMRect|false} The resulting path's bounding box object.
   */
+
   var getBBoxOfElementAsPath = function getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions$$1) {
     var path$$1 = addSVGElementFromJson({
       element: 'path',
       attr: getExtraAttributesForConvertToPath(elem)
     });
-
     var eltrans = elem.getAttribute('transform');
+
     if (eltrans) {
       path$$1.setAttribute('transform', eltrans);
     }
 
     var parent = elem.parentNode;
+
     if (elem.nextSibling) {
       elem.before(path$$1);
     } else {
@@ -7953,24 +8670,25 @@
     }
 
     var d = getPathDFromElement(elem);
+
     if (d) {
       path$$1.setAttribute('d', d);
     } else {
       path$$1.remove();
-    }
+    } // Get the correct BBox of the new path, then discard it
+
 
-    // Get the correct BBox of the new path, then discard it
     pathActions$$1.resetOrientation(path$$1);
     var bb = false;
+
     try {
       bb = path$$1.getBBox();
-    } catch (e) {
-      // Firefox fails
+    } catch (e) {// Firefox fails
     }
+
     path$$1.remove();
     return bb;
   };
-
   /**
   * Convert selected element to a path.
   * @function module:utilities.convertToPath
@@ -7984,25 +8702,24 @@
   * @param {module:path.EditorContext#addCommandToHistory|module:draw.DrawCanvasInit#addCommandToHistory} addCommandToHistory - see [canvas.addCommandToHistory]{@link module:svgcanvas~addCommandToHistory}
   * @returns {SVGPathElement|null} The converted path element or null if the DOM element was not recognized.
   */
+
   var convertToPath = function convertToPath(elem, attrs, addSVGElementFromJson, pathActions$$1, clearSelection, addToSelection, history, addCommandToHistory) {
-    var batchCmd = new history.BatchCommand('Convert element to Path');
+    var batchCmd = new history.BatchCommand('Convert element to Path'); // Any attribute on the element not covered by the passed-in attributes
 
-    // Any attribute on the element not covered by the passed-in attributes
     attrs = $$2.extend({}, attrs, getExtraAttributesForConvertToPath(elem));
-
     var path$$1 = addSVGElementFromJson({
       element: 'path',
       attr: attrs
     });
-
     var eltrans = elem.getAttribute('transform');
+
     if (eltrans) {
       path$$1.setAttribute('transform', eltrans);
     }
 
     var id = elem.id;
-
     var parent = elem.parentNode;
+
     if (elem.nextSibling) {
       elem.before(path$$1);
     } else {
@@ -8010,39 +8727,35 @@
     }
 
     var d = getPathDFromElement(elem);
+
     if (d) {
-      path$$1.setAttribute('d', d);
-
-      // Replace the current element with the converted one
-
+      path$$1.setAttribute('d', d); // Replace the current element with the converted one
       // Reorient if it has a matrix
+
       if (eltrans) {
         var tlist = getTransformList(path$$1);
+
         if (hasMatrixTransform(tlist)) {
           pathActions$$1.resetOrientation(path$$1);
         }
       }
 
       var nextSibling = elem.nextSibling;
-
       batchCmd.addSubCommand(new history.RemoveElementCommand(elem, nextSibling, parent));
       batchCmd.addSubCommand(new history.InsertElementCommand(path$$1));
-
       clearSelection();
       elem.remove();
       path$$1.setAttribute('id', id);
       path$$1.removeAttribute('visibility');
       addToSelection([path$$1], true);
-
       addCommandToHistory(batchCmd);
-
       return path$$1;
-    }
-    // the elem.tagName was not recognized, so no "d" attribute. Remove it, so we've haven't changed anything.
+    } // the elem.tagName was not recognized, so no "d" attribute. Remove it, so we've haven't changed anything.
+
+
     path$$1.remove();
     return null;
   };
-
   /**
   * Can the bbox be optimized over the native getBBox? The optimized bbox is the same as the native getBBox when
   * the rotation angle is a multiple of 90 degrees and there are no complex transforms.
@@ -8063,13 +8776,13 @@
   * @param {boolean} hasMatrixTransform - True if there is a matrix transform
   * @returns {boolean} True if the bbox can be optimized.
   */
+
   function bBoxCanBeOptimizedOverNativeGetBBox(angle, hasMatrixTransform$$1) {
     var angleModulo90 = angle % 90;
     var closeTo90 = angleModulo90 < -89.99 || angleModulo90 > 89.99;
     var closeTo0 = angleModulo90 > -0.001 && angleModulo90 < 0.001;
     return hasMatrixTransform$$1 || !(closeTo0 || closeTo90);
   }
-
   /**
   * Get bounding box that includes any transforms.
   * @function module:utilities.getBBoxWithTransform
@@ -8078,11 +8791,12 @@
   * @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.
   * @returns {module:utilities.BBoxObject|module:math.TransformedBox|DOMRect} A single bounding box object
   */
+
+
   var getBBoxWithTransform = function getBBoxWithTransform(elem, addSVGElementFromJson, pathActions$$1) {
     // TODO: Fix issue with rotated groups. Currently they work
     // fine in FF, but not in other browsers (same problem mentioned
     // in Issue 339 comment #2).
-
     var bb = getBBox(elem);
 
     if (!bb) {
@@ -8095,16 +8809,19 @@
 
     if (angle || hasMatrixXForm) {
       var goodBb = false;
+
       if (bBoxCanBeOptimizedOverNativeGetBBox(angle, hasMatrixXForm)) {
         // Get the BBox from the raw path for these elements
         // TODO: why ellipse and not circle
         var elemNames = ['ellipse', 'path', 'line', 'polyline', 'polygon'];
+
         if (elemNames.includes(elem.tagName)) {
           bb = goodBb = getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions$$1);
         } else if (elem.tagName === 'rect') {
           // Look for radius
           var rx = elem.getAttribute('rx');
           var ry = elem.getAttribute('ry');
+
           if (rx || ry) {
             bb = goodBb = getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions$$1);
           }
@@ -8115,9 +8832,7 @@
         var _transformListToTrans = transformListToTransform(tlist),
             matrix = _transformListToTrans.matrix;
 
-        bb = transformBox(bb.x, bb.y, bb.width, bb.height, matrix).aabox;
-
-        // Old technique that was exceedingly slow with large documents.
+        bb = transformBox(bb.x, bb.y, bb.width, bb.height, matrix).aabox; // Old technique that was exceedingly slow with large documents.
         //
         // Accurate way to get BBox of rotated element in Firefox:
         // Put element in group and get its BBox
@@ -8132,15 +8847,14 @@
         // g.remove();
       }
     }
-    return bb;
-  };
 
-  // TODO: This is problematic with large stroke-width and, for example, a single horizontal line. The calculated BBox extends way beyond left and right sides.
+    return bb;
+  }; // TODO: This is problematic with large stroke-width and, for example, a single horizontal line. The calculated BBox extends way beyond left and right sides.
+
   function getStrokeOffsetForBBox(elem) {
     var sw = elem.getAttribute('stroke-width');
     return !isNaN(sw) && elem.getAttribute('stroke') !== 'none' ? sw / 2 : 0;
   }
-
   /**
    * @typedef {PlainObject} BBox
    * @property {Integer} x The x value
@@ -8157,36 +8871,37 @@
   * @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.
   * @returns {module:utilities.BBoxObject|module:math.TransformedBox|DOMRect} A single bounding box object
   */
+
+
   var getStrokedBBox = function getStrokedBBox(elems, addSVGElementFromJson, pathActions$$1) {
     if (!elems || !elems.length) {
       return false;
     }
 
-    var fullBb = void 0;
+    var fullBb;
     $$2.each(elems, function () {
       if (fullBb) {
         return;
       }
+
       if (!this.parentNode) {
         return;
       }
-      fullBb = getBBoxWithTransform(this, addSVGElementFromJson, pathActions$$1);
-    });
 
-    // This shouldn't ever happen...
+      fullBb = getBBoxWithTransform(this, addSVGElementFromJson, pathActions$$1);
+    }); // This shouldn't ever happen...
+
     if (fullBb === undefined) {
       return null;
-    }
-
-    // fullBb doesn't include the stoke, so this does no good!
+    } // fullBb doesn't include the stoke, so this does no good!
     // if (elems.length == 1) return fullBb;
 
+
     var maxX = fullBb.x + fullBb.width;
     var maxY = fullBb.y + fullBb.height;
     var minX = fullBb.x;
-    var minY = fullBb.y;
+    var minY = fullBb.y; // If only one elem, don't call the potentially slow getBBoxWithTransform method again.
 
-    // If only one elem, don't call the potentially slow getBBoxWithTransform method again.
     if (elems.length === 1) {
       var offset = getStrokeOffsetForBBox(elems[0]);
       minX -= offset;
@@ -8196,11 +8911,13 @@
     } else {
       $$2.each(elems, function (i, elem) {
         var curBb = getBBoxWithTransform(elem, addSVGElementFromJson, pathActions$$1);
+
         if (curBb) {
           var _offset = getStrokeOffsetForBBox(elem);
+
           minX = Math.min(minX, curBb.x - _offset);
-          minY = Math.min(minY, curBb.y - _offset);
-          // TODO: The old code had this test for max, but not min. I suspect this test should be for both min and max
+          minY = Math.min(minY, curBb.y - _offset); // TODO: The old code had this test for max, but not min. I suspect this test should be for both min and max
+
           if (elem.nodeType === 1) {
             maxX = Math.max(maxX, curBb.x + curBb.width + _offset);
             maxY = Math.max(maxY, curBb.y + curBb.height + _offset);
@@ -8215,7 +8932,6 @@
     fullBb.height = maxY - minY;
     return fullBb;
   };
-
   /**
   * Get all elements that have a BBox (excludes `<defs>`, `<title>`, etc).
   * Note that 0-opacity, off-screen etc elements are still considered "visible"
@@ -8224,6 +8940,7 @@
   * @param {Element} parent - The parent DOM element to search within
   * @returns {Element[]} All "visible" elements.
   */
+
   var getVisibleElements = function getVisibleElements(parent) {
     if (!parent) {
       parent = $$2(editorContext_$1.getSVGContent()).children(); // Prevent layers from being included
@@ -8237,20 +8954,20 @@
     });
     return contentElems.reverse();
   };
-
   /**
   * Get the bounding box for one or more stroked and/or transformed elements
   * @function module:utilities.getStrokedBBoxDefaultVisible
   * @param {Element[]} elems - Array with DOM elements to check
   * @returns {module:utilities.BBoxObject} A single bounding box object
   */
+
   var getStrokedBBoxDefaultVisible = function getStrokedBBoxDefaultVisible(elems) {
     if (!elems) {
       elems = getVisibleElements();
     }
+
     return getStrokedBBox(elems, editorContext_$1.addSVGElementFromJson, editorContext_$1.pathActions);
   };
-
   /**
   * Get the rotation angle of the given transform list.
   * @function module:utilities.getRotationAngleFromTransformList
@@ -8258,20 +8975,25 @@
   * @param {boolean} toRad - When true returns the value in radians rather than degrees
   * @returns {Float} The angle in degrees or radians
   */
+
   var getRotationAngleFromTransformList = function getRotationAngleFromTransformList(tlist, toRad) {
     if (!tlist) {
       return 0;
     } // <svg> elements have no tlist
+
+
     var N = tlist.numberOfItems;
+
     for (var i = 0; i < N; ++i) {
       var xform = tlist.getItem(i);
+
       if (xform.type === 4) {
         return toRad ? xform.angle * Math.PI / 180.0 : xform.angle;
       }
     }
+
     return 0.0;
   };
-
   /**
   * Get the rotation angle of the given/selected DOM element
   * @function module:utilities.getRotationAngle
@@ -8279,29 +9001,30 @@
   * @param {boolean} [toRad=false] - When true returns the value in radians rather than degrees
   * @returns {Float} The angle in degrees or radians
   */
+
   var getRotationAngle = function getRotationAngle(elem, toRad) {
-    var selected = elem || editorContext_$1.getSelectedElements()[0];
-    // find the rotation transform (if any) and set it
+    var selected = elem || editorContext_$1.getSelectedElements()[0]; // find the rotation transform (if any) and set it
+
     var tlist = getTransformList(selected);
     return getRotationAngleFromTransformList(tlist, toRad);
   };
-
   /**
   * Get the reference element associated with the given attribute value
   * @function module:utilities.getRefElem
   * @param {string} attrVal - The attribute value as a string
   * @returns {Element} Reference element
   */
+
   var getRefElem = function getRefElem(attrVal) {
     return getElem(getUrlFromAttr(attrVal).substr(1));
   };
-
   /**
   * Get a DOM element by ID within the SVG root element.
   * @function module:utilities.getElem
   * @param {string} id - String with the element's new ID
   * @returns {Element}
   */
+
   var getElem = supportsSelectors() ? function (id) {
     // querySelector lookup
     return svgroot_.querySelector('#' + id);
@@ -8314,7 +9037,6 @@
     // jQuery lookup: twice as slow as xpath in FF
     return $$2(svgroot_).find('[id=' + id + ']')[0];
   };
-
   /**
   * Assigns multiple attributes to an element.
   * @function module:utilities.assignAttributes
@@ -8324,54 +9046,35 @@
   * @param {boolean} [unitCheck=false] - Boolean to indicate the need to use units.setUnitAttr
   * @returns {undefined}
   */
+
   var assignAttributes = function assignAttributes(elem, attrs, suspendLength, unitCheck) {
-    var _iteratorNormalCompletion = true;
-    var _didIteratorError = false;
-    var _iteratorError = undefined;
+    var _arr = Object.entries(attrs);
 
-    try {
-      for (var _iterator = Object.entries(attrs)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
-        var _ref4 = _step.value;
+    for (var _i = 0; _i < _arr.length; _i++) {
+      var _arr$_i = _slicedToArray(_arr[_i], 2),
+          key = _arr$_i[0],
+          value = _arr$_i[1];
 
-        var _ref5 = slicedToArray(_ref4, 2);
+      var ns = key.substr(0, 4) === 'xml:' ? NS.XML : key.substr(0, 6) === 'xlink:' ? NS.XLINK : null;
 
-        var key = _ref5[0];
-        var value = _ref5[1];
-
-        var ns = key.substr(0, 4) === 'xml:' ? NS.XML : key.substr(0, 6) === 'xlink:' ? NS.XLINK : null;
-
-        if (ns) {
-          elem.setAttributeNS(ns, key, value);
-        } else if (!unitCheck) {
-          elem.setAttribute(key, value);
-        } else {
-          setUnitAttr(elem, key, value);
-        }
-      }
-    } catch (err) {
-      _didIteratorError = true;
-      _iteratorError = err;
-    } finally {
-      try {
-        if (!_iteratorNormalCompletion && _iterator.return) {
-          _iterator.return();
-        }
-      } finally {
-        if (_didIteratorError) {
-          throw _iteratorError;
-        }
+      if (ns) {
+        elem.setAttributeNS(ns, key, value);
+      } else if (!unitCheck) {
+        elem.setAttribute(key, value);
+      } else {
+        setUnitAttr(elem, key, value);
       }
     }
   };
-
   /**
   * Remove unneeded (default) attributes, makes resulting SVG smaller
   * @function module:utilities.cleanupElement
   * @param {Element} element - DOM element to clean up
   * @returns {undefined}
   */
+
   var cleanupElement = function cleanupElement(element) {
-    var defaults$$1 = {
+    var defaults = {
       'fill-opacity': 1,
       'stop-opacity': 1,
       opacity: 1,
@@ -8387,61 +9090,64 @@
 
     if (element.nodeName === 'ellipse') {
       // Ellipse elements require rx and ry attributes
-      delete defaults$$1.rx;
-      delete defaults$$1.ry;
+      delete defaults.rx;
+      delete defaults.ry;
     }
 
-    for (var attr in defaults$$1) {
-      var val = defaults$$1[attr];
+    for (var attr in defaults) {
+      var val = defaults[attr];
+
       if (element.getAttribute(attr) === String(val)) {
         element.removeAttribute(attr);
       }
     }
   };
-
   /**
   * Round value to for snapping
   * @function module:utilities.snapToGrid
   * @param {Float} value
   * @returns {Integer}
   */
+
   var snapToGrid = function snapToGrid(value) {
     var unit = editorContext_$1.getBaseUnit();
     var stepSize = editorContext_$1.getSnappingStep();
+
     if (unit !== 'px') {
       stepSize *= getTypeMap()[unit];
     }
+
     value = Math.round(value / stepSize) * stepSize;
     return value;
   };
-
   /**
   * Escapes special characters in a regular expression
   * @function module:utilities.regexEscape
   * @param {string} str
   * @returns {string}
   */
+
   var regexEscape = function regexEscape(str) {
     // From: http://phpjs.org/functions
     return String(str).replace(new RegExp('[.\\\\+*?\\[\\^\\]$(){}=!<>|:\\-]', 'g'), '\\$&');
   };
-
   /**
    * Prevents default browser click behaviour on the given element
    * @function module:utilities.preventClickDefault
    * @param {Element} img - The DOM element to prevent the click on
    * @returns {undefined}
    */
+
   var preventClickDefault = function preventClickDefault(img) {
     $$2(img).click(function (e) {
       e.preventDefault();
     });
   };
-
   /**
    * @callback module:utilities.GetNextID
    * @returns {string} The ID
    */
+
   /**
    * Create a clone of an element, updating its ID and its children's IDs when needed
    * @function module:utilities.copyElem
@@ -8449,6 +9155,7 @@
    * @param {module:utilities.GetNextID} getNextId - The getter of the next unique ID.
    * @returns {Element} The cloned element
    */
+
   var copyElem = function copyElem(el, getNextId) {
     // manually create a copy of the element
     var newEl = document.createElementNS(el.namespaceURI, el.nodeName);
@@ -8456,29 +9163,30 @@
       if (attr.localName !== '-moz-math-font-style') {
         newEl.setAttributeNS(attr.namespaceURI, attr.nodeName, attr.value);
       }
-    });
-    // set the copied element's new id
-    newEl.removeAttribute('id');
-    newEl.id = getNextId();
+    }); // set the copied element's new id
 
-    // Opera's "d" value needs to be reset for Opera/Win/non-EN
+    newEl.removeAttribute('id');
+    newEl.id = getNextId(); // Opera's "d" value needs to be reset for Opera/Win/non-EN
     // Also needed for webkit (else does not keep curved segments on clone)
+
     if (isWebkit() && el.nodeName === 'path') {
       var fixedD = convertPath(el);
       newEl.setAttribute('d', fixedD);
-    }
+    } // now create copies of all children
+
 
-    // now create copies of all children
     $$2.each(el.childNodes, function (i, child) {
       switch (child.nodeType) {
         case 1:
           // element node
           newEl.append(copyElem(child, getNextId));
           break;
+
         case 3:
           // text node
           newEl.textContent = child.nodeValue;
           break;
+
         default:
           break;
       }
@@ -8497,6 +9205,7 @@
   };
 
   /* globals jQuery */
+
   /**
    * Adds context menu functionality
    * @module contextmenu
@@ -8505,47 +9214,47 @@
    */
   // Dependencies:
   // 1) jQuery (for dom injection of context menus)
-
   var $$3 = jQuery;
-
   var contextMenuExtensions = {};
-
   /**
   * @function module:contextmenu.hasCustomHandler
   * @param {string} handlerKey
   * @returns {boolean}
   */
+
   var hasCustomHandler = function hasCustomHandler(handlerKey) {
     return Boolean(contextMenuExtensions[handlerKey]);
   };
-
   /**
   * @function module:contextmenu.getCustomHandler
   * @param {string} handlerKey
   * @returns {module:contextmenu.MenuItemAction}
   */
+
   var getCustomHandler = function getCustomHandler(handlerKey) {
     return contextMenuExtensions[handlerKey].action;
   };
-
   /**
   * @param {module:contextmenu.MenuItem} menuItem
   * @returns {undefined}
   */
+
   var injectExtendedContextMenuItemIntoDom = function injectExtendedContextMenuItemIntoDom(menuItem) {
     if (!Object.keys(contextMenuExtensions).length) {
       // all menuItems appear at the bottom of the menu in their own container.
       // if this is the first extension menu we need to add the separator.
       $$3('#cmenu_canvas').append("<li class='separator'>");
     }
+
     var shortcut = menuItem.shortcut || '';
     $$3('#cmenu_canvas').append("<li class='disabled'><a href='#" + menuItem.id + "'>" + menuItem.label + "<span class='shortcut'>" + shortcut + '</span></a></li>');
   };
-
   /**
   * @function module:contextmenu.injectExtendedContextMenuItemsIntoDom
   * @returns {undefined}
   */
+
+
   var injectExtendedContextMenuItemsIntoDom = function injectExtendedContextMenuItemsIntoDom() {
     for (var menuItem in contextMenuExtensions) {
       injectExtendedContextMenuItemIntoDom(contextMenuExtensions[menuItem]);
@@ -8558,10 +9267,10 @@
   /**
    * @module importModule
    */
-
   function toAbsoluteURL(url) {
     var a = document.createElement('a');
     a.setAttribute('href', url); // <a href="hoge.html">
+
     return a.cloneNode(false).href; // -> "http://example.com/hoge.html"
   }
 
@@ -8571,85 +9280,97 @@
         script[prop] = atts[prop];
       }
     });
-  }
+  } // Additions by Brett
 
-  // Additions by Brett
   /**
   * @typedef {PlainObject} module:importModule.ImportConfig
   * @property {string} global The variable name to set on `window` (when not using the modular version)
   * @property {boolean} [returnDefault=false]
   */
+
   /**
   * @function module:importModule.importSetGlobalDefault
   * @param {string} url
   * @param {module:importModule.ImportConfig} config
   * @returns {*} The return depends on the export of the targeted module.
   */
-  var importSetGlobalDefault = function () {
-    var _ref = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(url, config) {
-      return regeneratorRuntime.wrap(function _callee$(_context) {
-        while (1) {
-          switch (_context.prev = _context.next) {
-            case 0:
-              return _context.abrupt('return', importSetGlobal(url, _extends({}, config, { returnDefault: true })));
 
-            case 1:
-            case 'end':
-              return _context.stop();
-          }
-        }
-      }, _callee, this);
-    }));
 
-    return function importSetGlobalDefault(_x, _x2) {
-      return _ref.apply(this, arguments);
-    };
-  }();
+  function importSetGlobalDefault(_x, _x2) {
+    return _importSetGlobalDefault.apply(this, arguments);
+  }
   /**
   * @function module:importModule.importSetGlobal
   * @param {string} url
   * @param {module:importModule.ImportConfig} config
   * @returns {ArbitraryModule|*} The return depends on the export of the targeted module.
   */
-  var importSetGlobal = function () {
-    var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(url, _ref2) {
-      var global = _ref2.global,
-          returnDefault = _ref2.returnDefault;
-      var modularVersion;
+
+  function _importSetGlobalDefault() {
+    _importSetGlobalDefault = _asyncToGenerator(
+    /*#__PURE__*/
+    regeneratorRuntime.mark(function _callee(url, config) {
+      return regeneratorRuntime.wrap(function _callee$(_context) {
+        while (1) {
+          switch (_context.prev = _context.next) {
+            case 0:
+              return _context.abrupt("return", importSetGlobal(url, _extends({}, config, {
+                returnDefault: true
+              })));
+
+            case 1:
+            case "end":
+              return _context.stop();
+          }
+        }
+      }, _callee, this);
+    }));
+    return _importSetGlobalDefault.apply(this, arguments);
+  }
+
+  function importSetGlobal(_x3, _x4) {
+    return _importSetGlobal.apply(this, arguments);
+  } // Addition by Brett
+
+  function _importSetGlobal() {
+    _importSetGlobal = _asyncToGenerator(
+    /*#__PURE__*/
+    regeneratorRuntime.mark(function _callee2(url, _ref) {
+      var global, returnDefault, modularVersion;
       return regeneratorRuntime.wrap(function _callee2$(_context2) {
         while (1) {
           switch (_context2.prev = _context2.next) {
             case 0:
+              global = _ref.global, returnDefault = _ref.returnDefault;
               // Todo: Replace calls to this function with `import()` when supported
               modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false;
 
               if (!modularVersion) {
-                _context2.next = 3;
+                _context2.next = 4;
                 break;
               }
 
-              return _context2.abrupt('return', importModule(url, undefined, { returnDefault: returnDefault }));
+              return _context2.abrupt("return", importModule(url, undefined, {
+                returnDefault: returnDefault
+              }));
 
-            case 3:
-              _context2.next = 5;
+            case 4:
+              _context2.next = 6;
               return importScript(url);
 
-            case 5:
-              return _context2.abrupt('return', window[global]);
-
             case 6:
-            case 'end':
+              return _context2.abrupt("return", window[global]);
+
+            case 7:
+            case "end":
               return _context2.stop();
           }
         }
       }, _callee2, this);
     }));
+    return _importSetGlobal.apply(this, arguments);
+  }
 
-    return function importSetGlobal(_x3, _x4) {
-      return _ref3.apply(this, arguments);
-    };
-  }();
-  // Addition by Brett
   function importScript(url) {
     var atts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
 
@@ -8658,45 +9379,51 @@
         return importScript(u, atts);
       }));
     }
+
     return new Promise(function (resolve, reject) {
       var script = document.createElement('script');
+
       var destructor = function destructor() {
         script.onerror = null;
         script.onload = null;
         script.remove();
         script.src = '';
       };
+
       script.defer = 'defer';
       addScriptAtts(script, atts);
+
       script.onerror = function () {
-        reject(new Error('Failed to import: ' + url));
+        reject(new Error("Failed to import: ".concat(url)));
         destructor();
       };
+
       script.onload = function () {
         resolve();
         destructor();
       };
-      script.src = url;
 
+      script.src = url;
       document.head.append(script);
     });
   }
-
   function importModule(url) {
     var atts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
 
-    var _ref4 = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
-        _ref4$returnDefault = _ref4.returnDefault,
-        returnDefault = _ref4$returnDefault === undefined ? false : _ref4$returnDefault;
+    var _ref2 = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
+        _ref2$returnDefault = _ref2.returnDefault,
+        returnDefault = _ref2$returnDefault === void 0 ? false : _ref2$returnDefault;
 
     if (Array.isArray(url)) {
       return Promise.all(url.map(function (u) {
         return importModule(u, atts);
       }));
     }
+
     return new Promise(function (resolve, reject) {
       var vector = '$importModule$' + Math.random().toString(32).slice(2);
       var script = document.createElement('script');
+
       var destructor = function destructor() {
         delete window[vector];
         script.onerror = null;
@@ -8705,30 +9432,33 @@
         URL.revokeObjectURL(script.src);
         script.src = '';
       };
+
       addScriptAtts(script, atts);
       script.defer = 'defer';
       script.type = 'module';
+
       script.onerror = function () {
-        reject(new Error('Failed to import: ' + url));
+        reject(new Error("Failed to import: ".concat(url)));
         destructor();
       };
+
       script.onload = function () {
         resolve(window[vector]);
         destructor();
       };
-      var absURL = toAbsoluteURL(url);
-      var loader = 'import * as m from \'' + absURL.replace(/'/g, "\\'") + '\'; window.' + vector + ' = ' + (returnDefault ? 'm.default || ' : '') + 'm;'; // export Module
-      var blob = new Blob([loader], { type: 'text/javascript' });
-      script.src = URL.createObjectURL(blob);
 
+      var absURL = toAbsoluteURL(url);
+      var loader = "import * as m from '".concat(absURL.replace(/'/g, "\\'"), "'; window.").concat(vector, " = ").concat(returnDefault ? 'm.default || ' : '', "m;"); // export Module
+
+      var blob = new Blob([loader], {
+        type: 'text/javascript'
+      });
+      script.src = URL.createObjectURL(blob);
       document.head.append(script);
     });
   }
 
-  /* globals jQuery */
-
   var $$4 = jQuery;
-
   /**
    * This class encapsulates the concept of a layer in the drawing. It can be constructed with
    * an existing group element or, with three parameters, will create a new layer group element.
@@ -8740,7 +9470,9 @@
    * @memberof module:layer
    */
 
-  var Layer = function () {
+  var Layer =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {string} name - Layer name
     * @param {SVGGElement|null} group - An existing SVG group element or null.
@@ -8751,7 +9483,7 @@
     *     a new layer to the document.
     */
     function Layer(name, group, svgElem) {
-      classCallCheck(this, Layer);
+      _classCallCheck(this, Layer);
 
       this.name_ = name;
       this.group_ = svgElem ? null : group;
@@ -8763,6 +9495,7 @@
         var layerTitle = svgdoc.createElementNS(NS.SVG, 'title');
         layerTitle.textContent = name;
         this.group_.append(layerTitle);
+
         if (group) {
           $$4(group).after(this.group_);
         } else {
@@ -8774,55 +9507,49 @@
       walkTree(this.group_, function (e) {
         e.setAttribute('style', 'pointer-events:inherit');
       });
-
       this.group_.setAttribute('style', svgElem ? 'pointer-events:all' : 'pointer-events:none');
     }
-
     /**
      * Get the layer's name.
      * @returns {string} The layer name
      */
 
 
-    createClass(Layer, [{
-      key: 'getName',
+    _createClass(Layer, [{
+      key: "getName",
       value: function getName() {
         return this.name_;
       }
-
       /**
        * Get the group element for this layer.
        * @returns {SVGGElement} The layer SVG group
        */
 
     }, {
-      key: 'getGroup',
+      key: "getGroup",
       value: function getGroup() {
         return this.group_;
       }
-
       /**
        * Active this layer so it takes pointer events.
        * @returns {undefined}
        */
 
     }, {
-      key: 'activate',
+      key: "activate",
       value: function activate() {
         this.group_.setAttribute('style', 'pointer-events:all');
       }
-
       /**
        * Deactive this layer so it does NOT take pointer events.
        * @returns {undefined}
        */
 
     }, {
-      key: 'deactivate',
+      key: "deactivate",
       value: function deactivate() {
         this.group_.setAttribute('style', 'pointer-events:none');
       }
-
       /**
        * Set this layer visible or hidden based on 'visible' parameter.
        * @param {boolean} visible - If true, make visible; otherwise, hide it.
@@ -8830,41 +9557,41 @@
        */
 
     }, {
-      key: 'setVisible',
+      key: "setVisible",
       value: function setVisible(visible) {
         var expected = visible === undefined || visible ? 'inline' : 'none';
         var oldDisplay = this.group_.getAttribute('display');
+
         if (oldDisplay !== expected) {
           this.group_.setAttribute('display', expected);
         }
       }
-
       /**
        * Is this layer visible?
        * @returns {boolean} True if visible.
        */
 
     }, {
-      key: 'isVisible',
+      key: "isVisible",
       value: function isVisible() {
         return this.group_.getAttribute('display') !== 'none';
       }
-
       /**
        * Get layer opacity.
        * @returns {Float} Opacity value.
        */
 
     }, {
-      key: 'getOpacity',
+      key: "getOpacity",
       value: function getOpacity() {
         var opacity = this.group_.getAttribute('opacity');
+
         if (opacity === null || opacity === undefined) {
           return 1;
         }
+
         return parseFloat(opacity);
       }
-
       /**
        * Sets the opacity of this layer. If opacity is not a value between 0.0 and 1.0,
        * nothing happens.
@@ -8873,13 +9600,12 @@
        */
 
     }, {
-      key: 'setOpacity',
+      key: "setOpacity",
       value: function setOpacity(opacity) {
         if (typeof opacity === 'number' && opacity >= 0.0 && opacity <= 1.0) {
           this.group_.setAttribute('opacity', opacity);
         }
       }
-
       /**
        * Append children to this layer.
        * @param {SVGGElement} children - The children to append to this layer.
@@ -8887,30 +9613,31 @@
        */
 
     }, {
-      key: 'appendChildren',
+      key: "appendChildren",
       value: function appendChildren(children) {
         for (var i = 0; i < children.length; ++i) {
           this.group_.append(children[i]);
         }
       }
-
       /**
       * @returns {SVGTitleElement|null}
       */
 
     }, {
-      key: 'getTitleElement',
+      key: "getTitleElement",
       value: function getTitleElement() {
         var len = this.group_.childNodes.length;
+
         for (var i = 0; i < len; ++i) {
           var child = this.group_.childNodes.item(i);
+
           if (child && child.tagName === 'title') {
             return child;
           }
         }
+
         return null;
       }
-
       /**
        * Set the name of this layer.
        * @param {string} name - The new name.
@@ -8919,24 +9646,29 @@
        */
 
     }, {
-      key: 'setName',
+      key: "setName",
       value: function setName(name, hrService) {
         var previousName = this.name_;
-        name = toXml(name);
-        // now change the underlying title element contents
+        name = toXml(name); // now change the underlying title element contents
+
         var title = this.getTitleElement();
+
         if (title) {
           $$4(title).empty();
           title.textContent = name;
           this.name_ = name;
+
           if (hrService) {
-            hrService.changeElement(title, { '#text': previousName });
+            hrService.changeElement(title, {
+              '#text': previousName
+            });
           }
+
           return this.name_;
         }
+
         return null;
       }
-
       /**
        * Remove this layer's group from the DOM. No more functions on group can be called after this.
        * @param {SVGGElement} children - The children to append to this layer.
@@ -8944,7 +9676,7 @@
        */
 
     }, {
-      key: 'removeGroup',
+      key: "removeGroup",
       value: function removeGroup() {
         var parent = this.group_.parentNode;
         var group = parent.removeChild(this.group_);
@@ -8952,6 +9684,7 @@
         return group;
       }
     }]);
+
     return Layer;
   }();
   /**
@@ -8960,20 +9693,21 @@
 
 
   Layer.CLASS_NAME = 'layer';
-
   /**
    * @property {RegExp} CLASS_REGEX - Used to test presence of class Layer.CLASS_NAME
    */
-  Layer.CLASS_REGEX = new RegExp('(\\s|^)' + Layer.CLASS_NAME + '(\\s|$)');
 
+  Layer.CLASS_REGEX = new RegExp('(\\s|^)' + Layer.CLASS_NAME + '(\\s|$)');
   /**
    * Add class `Layer.CLASS_NAME` to the element (usually `class='layer'`).
    *
    * @param {SVGGElement} elem - The SVG element to update
    * @returns {undefined}
    */
+
   function addLayerClass(elem) {
     var classes = elem.getAttribute('class');
+
     if (classes === null || classes === undefined || !classes.length) {
       elem.setAttribute('class', Layer.CLASS_NAME);
     } else if (!Layer.CLASS_REGEX.test(classes)) {
@@ -8981,13 +9715,6 @@
     }
   }
 
-  /**
-   * HistoryRecordingService component of history
-   * @module history
-   * @license MIT
-   * @copyright 2016 Flint O'Brien
-   */
-
   /**
    * History recording service.
    *
@@ -9021,20 +9748,21 @@
    * @memberof module:history
    */
 
-  var HistoryRecordingService = function () {
+  var HistoryRecordingService =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {history.UndoManager|null} undoManager - The undo manager.
     *     A value of `null` is valid for cases where no history recording is required.
     *     See singleton: {@link module:history.HistoryRecordingService.HistoryRecordingService.NO_HISTORY}
     */
     function HistoryRecordingService(undoManager) {
-      classCallCheck(this, HistoryRecordingService);
+      _classCallCheck(this, HistoryRecordingService);
 
       this.undoManager_ = undoManager;
       this.currentBatchCommand_ = null;
       this.batchCommandStack_ = [];
     }
-
     /**
      * Start a batch command so multiple commands can recorded as a single history command.
      * Requires a corresponding call to endBatchCommand. Start and end commands can be nested.
@@ -9044,39 +9772,39 @@
      */
 
 
-    createClass(HistoryRecordingService, [{
-      key: 'startBatchCommand',
+    _createClass(HistoryRecordingService, [{
+      key: "startBatchCommand",
       value: function startBatchCommand(text) {
         if (!this.undoManager_) {
           return this;
         }
+
         this.currentBatchCommand_ = new BatchCommand(text);
         this.batchCommandStack_.push(this.currentBatchCommand_);
         return this;
       }
-
       /**
        * End a batch command and add it to the history or a parent batch command.
        * @returns {module:history.HistoryRecordingService}
        */
 
     }, {
-      key: 'endBatchCommand',
+      key: "endBatchCommand",
       value: function endBatchCommand() {
         if (!this.undoManager_) {
           return this;
         }
+
         if (this.currentBatchCommand_) {
           var batchCommand = this.currentBatchCommand_;
           this.batchCommandStack_.pop();
           var length = this.batchCommandStack_.length;
-
           this.currentBatchCommand_ = length ? this.batchCommandStack_[length - 1] : null;
           this.addCommand_(batchCommand);
         }
+
         return this;
       }
-
       /**
        * Add a MoveElementCommand to the history or current batch command
        * @param {Element} elem - The DOM element that was moved
@@ -9087,15 +9815,15 @@
        */
 
     }, {
-      key: 'moveElement',
+      key: "moveElement",
       value: function moveElement(elem, oldNextSibling, oldParent, text) {
         if (!this.undoManager_) {
           return this;
         }
+
         this.addCommand_(new MoveElementCommand(elem, oldNextSibling, oldParent, text));
         return this;
       }
-
       /**
        * Add an InsertElementCommand to the history or current batch command
        * @param {Element} elem - The DOM element that was added
@@ -9104,15 +9832,15 @@
        */
 
     }, {
-      key: 'insertElement',
+      key: "insertElement",
       value: function insertElement(elem, text) {
         if (!this.undoManager_) {
           return this;
         }
+
         this.addCommand_(new InsertElementCommand(elem, text));
         return this;
       }
-
       /**
        * Add a RemoveElementCommand to the history or current batch command
        * @param {Element} elem - The DOM element that was removed
@@ -9123,15 +9851,15 @@
        */
 
     }, {
-      key: 'removeElement',
+      key: "removeElement",
       value: function removeElement(elem, oldNextSibling, oldParent, text) {
         if (!this.undoManager_) {
           return this;
         }
+
         this.addCommand_(new RemoveElementCommand(elem, oldNextSibling, oldParent, text));
         return this;
       }
-
       /**
        * Add a ChangeElementCommand to the history or current batch command
        * @param {Element} elem - The DOM element that was changed
@@ -9141,15 +9869,15 @@
        */
 
     }, {
-      key: 'changeElement',
+      key: "changeElement",
       value: function changeElement(elem, attrs, text) {
         if (!this.undoManager_) {
           return this;
         }
+
         this.addCommand_(new ChangeElementCommand(elem, attrs, text));
         return this;
       }
-
       /**
        * Private function to add a command to the history or current batch command.
        * @private
@@ -9158,11 +9886,12 @@
        */
 
     }, {
-      key: 'addCommand_',
+      key: "addCommand_",
       value: function addCommand_(cmd) {
         if (!this.undoManager_) {
           return this;
         }
+
         if (this.currentBatchCommand_) {
           this.currentBatchCommand_.addSubCommand(cmd);
         } else {
@@ -9170,6 +9899,7 @@
         }
       }
     }]);
+
     return HistoryRecordingService;
   }();
   /**
@@ -9180,59 +9910,60 @@
 
   HistoryRecordingService.NO_HISTORY = new HistoryRecordingService();
 
-  /* globals jQuery */
-
   var $$5 = jQuery;
-
   var visElems$1 = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use'.split(',');
-
   var RandomizeModes = {
     LET_DOCUMENT_DECIDE: 0,
     ALWAYS_RANDOMIZE: 1,
     NEVER_RANDOMIZE: 2
   };
-  var randIds = RandomizeModes.LET_DOCUMENT_DECIDE;
-  // Array with current disabled elements (for in-group editing)
-  var disabledElems = [];
+  var randIds = RandomizeModes.LET_DOCUMENT_DECIDE; // Array with current disabled elements (for in-group editing)
 
+  var disabledElems = [];
   /**
    * Get a HistoryRecordingService.
    * @param {module:history.HistoryRecordingService} [hrService] - if exists, return it instead of creating a new service.
    * @returns {module:history.HistoryRecordingService}
    */
+
   function historyRecordingService(hrService) {
     return hrService || new HistoryRecordingService(canvas_.undoMgr);
   }
-
   /**
    * Find the layer name in a group element.
    * @param {Element} group The group element to search in.
    * @returns {string} The layer name or empty string.
    */
+
+
   function findLayerNameInGroup(group) {
-    return $$5('title', group).text() || (isOpera() && group.querySelectorAll
-    // Hack for Opera 10.60
+    return $$5('title', group).text() || (isOpera() && group.querySelectorAll // Hack for Opera 10.60
     ? $$5(group.querySelectorAll('title')).text() : '');
   }
-
   /**
    * Given a set of names, return a new unique name.
    * @param {string[]} existingLayerNames - Existing layer names.
    * @returns {string} - The new name.
    */
+
+
   function getNewLayerName(existingLayerNames) {
-    var i = 1;
-    // TODO(codedread): What about internationalization of "Layer"?
+    var i = 1; // TODO(codedread): What about internationalization of "Layer"?
+
     while (existingLayerNames.includes('Layer ' + i)) {
       i++;
     }
+
     return 'Layer ' + i;
   }
-
   /**
    * This class encapsulates the concept of a SVG-edit drawing
    */
-  var Drawing = function () {
+
+
+  var Drawing =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {SVGSVGElement} svgElem - The SVG DOM Element that this JS object
     *     encapsulates.  If the svgElem has a se:nonce attribute on it, then
@@ -9241,44 +9972,44 @@
     * @throws {Error} If not initialized with an SVG element
     */
     function Drawing(svgElem, optIdPrefix) {
-      classCallCheck(this, Drawing);
+      _classCallCheck(this, Drawing);
 
       if (!svgElem || !svgElem.tagName || !svgElem.namespaceURI || svgElem.tagName !== 'svg' || svgElem.namespaceURI !== NS.SVG) {
         throw new Error('Error: svgedit.draw.Drawing instance initialized without a <svg> element');
       }
-
       /**
       * The SVG DOM Element that represents this drawing.
       * @type {SVGSVGElement}
       */
-      this.svgElem_ = svgElem;
 
+
+      this.svgElem_ = svgElem;
       /**
       * The latest object number used in this drawing.
       * @type {Integer}
       */
-      this.obj_num = 0;
 
+      this.obj_num = 0;
       /**
       * The prefix to prepend to each element id in the drawing.
       * @type {string}
       */
-      this.idPrefix = optIdPrefix || 'svg_';
 
+      this.idPrefix = optIdPrefix || 'svg_';
       /**
       * An array of released element ids to immediately reuse.
       * @type {Integer[]}
       */
-      this.releasedNums = [];
 
+      this.releasedNums = [];
       /**
       * The z-ordered array of Layer objects. Each layer has a name
       * and group element.
       * The first layer is the one at the bottom of the rendering.
       * @type {Layer[]}
       */
-      this.all_layers = [];
 
+      this.all_layers = [];
       /**
       * Map of all_layers by name.
       *
@@ -9287,142 +10018,139 @@
       *
       * @type {PlainObject.<string, Layer>}
       */
-      this.layer_map = {};
 
+      this.layer_map = {};
       /**
       * The current layer being used.
       * @type {Layer}
       */
-      this.current_layer = null;
 
+      this.current_layer = null;
       /**
       * The nonce to use to uniquely identify elements across drawings.
       * @type {!String}
       */
+
       this.nonce_ = '';
-      var n = this.svgElem_.getAttributeNS(NS.SE, 'nonce');
-      // If already set in the DOM, use the nonce throughout the document
+      var n = this.svgElem_.getAttributeNS(NS.SE, 'nonce'); // If already set in the DOM, use the nonce throughout the document
       // else, if randomizeIds(true) has been called, create and set the nonce.
+
       if (!!n && randIds !== RandomizeModes.NEVER_RANDOMIZE) {
         this.nonce_ = n;
       } else if (randIds === RandomizeModes.ALWAYS_RANDOMIZE) {
         this.setNonce(Math.floor(Math.random() * 100001));
       }
     }
-
     /**
      * @param {string} id Element ID to retrieve
      * @returns {Element} SVG element within the root SVGSVGElement
     */
 
 
-    createClass(Drawing, [{
-      key: 'getElem_',
+    _createClass(Drawing, [{
+      key: "getElem_",
       value: function getElem_(id) {
         if (this.svgElem_.querySelector) {
           // querySelector lookup
           return this.svgElem_.querySelector('#' + id);
-        }
-        // jQuery lookup: twice as slow as xpath in FF
+        } // jQuery lookup: twice as slow as xpath in FF
+
+
         return $$5(this.svgElem_).find('[id=' + id + ']')[0];
       }
-
       /**
        * @returns {SVGSVGElement}
        */
 
     }, {
-      key: 'getSvgElem',
+      key: "getSvgElem",
       value: function getSvgElem() {
         return this.svgElem_;
       }
-
       /**
        * @returns {!(string|Integer)} The previously set nonce
        */
 
     }, {
-      key: 'getNonce',
+      key: "getNonce",
       value: function getNonce() {
         return this.nonce_;
       }
-
       /**
        * @param {!(string|Integer)} n The nonce to set
        * @returns {undefined}
        */
 
     }, {
-      key: 'setNonce',
+      key: "setNonce",
       value: function setNonce(n) {
         this.svgElem_.setAttributeNS(NS.XMLNS, 'xmlns:se', NS.SE);
         this.svgElem_.setAttributeNS(NS.SE, 'se:nonce', n);
         this.nonce_ = n;
       }
-
       /**
        * Clears any previously set nonce
        * @returns {undefined}
        */
 
     }, {
-      key: 'clearNonce',
+      key: "clearNonce",
       value: function clearNonce() {
         // We deliberately leave any se:nonce attributes alone,
         // we just don't use it to randomize ids.
         this.nonce_ = '';
       }
-
       /**
        * Returns the latest object id as a string.
        * @returns {string} The latest object Id.
        */
 
     }, {
-      key: 'getId',
+      key: "getId",
       value: function getId() {
         return this.nonce_ ? this.idPrefix + this.nonce_ + '_' + this.obj_num : this.idPrefix + this.obj_num;
       }
-
       /**
        * Returns the next object Id as a string.
        * @returns {string} The next object Id to use.
        */
 
     }, {
-      key: 'getNextId',
+      key: "getNextId",
       value: function getNextId() {
         var oldObjNum = this.obj_num;
-        var restoreOldObjNum = false;
-
-        // If there are any released numbers in the release stack,
+        var restoreOldObjNum = false; // If there are any released numbers in the release stack,
         // use the last one instead of the next obj_num.
         // We need to temporarily use obj_num as that is what getId() depends on.
+
         if (this.releasedNums.length > 0) {
           this.obj_num = this.releasedNums.pop();
           restoreOldObjNum = true;
         } else {
           // If we are not using a released id, then increment the obj_num.
           this.obj_num++;
-        }
+        } // Ensure the ID does not exist.
+
 
-        // Ensure the ID does not exist.
         var id = this.getId();
+
         while (this.getElem_(id)) {
           if (restoreOldObjNum) {
             this.obj_num = oldObjNum;
             restoreOldObjNum = false;
           }
+
           this.obj_num++;
           id = this.getId();
-        }
-        // Restore the old object number if required.
+        } // Restore the old object number if required.
+
+
         if (restoreOldObjNum) {
           this.obj_num = oldObjNum;
         }
+
         return id;
       }
-
       /**
        * Releases the object Id, letting it be used as the next id in getNextId().
        * This method DOES NOT remove any elements from the DOM, it is expected
@@ -9432,39 +10160,37 @@
       */
 
     }, {
-      key: 'releaseId',
+      key: "releaseId",
       value: function releaseId(id) {
         // confirm if this is a valid id for this Document, else return false
         var front = this.idPrefix + (this.nonce_ ? this.nonce_ + '_' : '');
+
         if (typeof id !== 'string' || !id.startsWith(front)) {
           return false;
-        }
-        // extract the obj_num of this id
-        var num = parseInt(id.substr(front.length), 10);
+        } // extract the obj_num of this id
 
-        // if we didn't get a positive number or we already released this number
+
+        var num = parseInt(id.substr(front.length), 10); // if we didn't get a positive number or we already released this number
         // then return false.
+
         if (typeof num !== 'number' || num <= 0 || this.releasedNums.includes(num)) {
           return false;
-        }
+        } // push the released number into the released queue
+
 
-        // push the released number into the released queue
         this.releasedNums.push(num);
-
         return true;
       }
-
       /**
        * Returns the number of layers in the current drawing.
        * @returns {Integer} The number of layers in the current drawing.
       */
 
     }, {
-      key: 'getNumLayers',
+      key: "getNumLayers",
       value: function getNumLayers() {
         return this.all_layers.length;
       }
-
       /**
        * Check if layer with given name already exists
        * @param {string} name - The layer name to check
@@ -9472,11 +10198,10 @@
       */
 
     }, {
-      key: 'hasLayer',
+      key: "hasLayer",
       value: function hasLayer(name) {
         return this.layer_map[name] !== undefined;
       }
-
       /**
        * Returns the name of the ith layer. If the index is out of range, an empty string is returned.
        * @param {Integer} i - The zero-based index of the layer you are querying.
@@ -9484,33 +10209,30 @@
       */
 
     }, {
-      key: 'getLayerName',
+      key: "getLayerName",
       value: function getLayerName(i) {
         return i >= 0 && i < this.getNumLayers() ? this.all_layers[i].getName() : '';
       }
-
       /**
        * @returns {SVGGElement|null} The SVGGElement representing the current layer.
        */
 
     }, {
-      key: 'getCurrentLayer',
+      key: "getCurrentLayer",
       value: function getCurrentLayer() {
         return this.current_layer ? this.current_layer.getGroup() : null;
       }
-
       /**
        * Get a layer by name.
        * @returns {SVGGElement} The SVGGElement representing the named layer or null.
        */
 
     }, {
-      key: 'getLayerByName',
+      key: "getLayerByName",
       value: function getLayerByName(name) {
         var layer = this.layer_map[name];
         return layer ? layer.getGroup() : null;
       }
-
       /**
        * Returns the name of the currently selected layer. If an error occurs, an empty string
        * is returned.
@@ -9518,11 +10240,10 @@
       */
 
     }, {
-      key: 'getCurrentLayerName',
+      key: "getCurrentLayerName",
       value: function getCurrentLayerName() {
         return this.current_layer ? this.current_layer.getName() : '';
       }
-
       /**
        * Set the current layer's name.
        * @param {string} name - The new name.
@@ -9531,20 +10252,22 @@
        */
 
     }, {
-      key: 'setCurrentLayerName',
+      key: "setCurrentLayerName",
       value: function setCurrentLayerName(name, hrService) {
         var finalName = null;
+
         if (this.current_layer) {
           var oldName = this.current_layer.getName();
           finalName = this.current_layer.setName(name, hrService);
+
           if (finalName) {
             delete this.layer_map[oldName];
             this.layer_map[finalName] = this.current_layer;
           }
         }
+
         return finalName;
       }
-
       /**
        * Set the current layer's position.
        * @param {Integer} newpos - The zero-based index of the new position of the layer. Range should be 0 to layers-1
@@ -9552,20 +10275,23 @@
        */
 
     }, {
-      key: 'setCurrentLayerPosition',
+      key: "setCurrentLayerPosition",
       value: function setCurrentLayerPosition(newpos) {
         var layerCount = this.getNumLayers();
+
         if (!this.current_layer || newpos < 0 || newpos >= layerCount) {
           return null;
         }
 
-        var oldpos = void 0;
+        var oldpos;
+
         for (oldpos = 0; oldpos < layerCount; ++oldpos) {
           if (this.all_layers[oldpos] === this.current_layer) {
             break;
           }
-        }
-        // some unknown error condition (current_layer not in all_layers)
+        } // some unknown error condition (current_layer not in all_layers)
+
+
         if (oldpos === layerCount) {
           return null;
         }
@@ -9574,66 +10300,70 @@
           // if our new position is below us, we need to insert before the node after newpos
           var currentGroup = this.current_layer.getGroup();
           var oldNextSibling = currentGroup.nextSibling;
-
           var refGroup = null;
+
           if (newpos > oldpos) {
             if (newpos < layerCount - 1) {
               refGroup = this.all_layers[newpos + 1].getGroup();
-            }
-            // if our new position is above us, we need to insert before the node at newpos
+            } // if our new position is above us, we need to insert before the node at newpos
+
           } else {
             refGroup = this.all_layers[newpos].getGroup();
           }
+
           this.svgElem_.insertBefore(currentGroup, refGroup); // Ok to replace with `refGroup.before(currentGroup);`?
 
           this.identifyLayers();
           this.setCurrentLayer(this.getLayerName(newpos));
-
           return {
             currentGroup: currentGroup,
             oldNextSibling: oldNextSibling
           };
         }
+
         return null;
       }
-
       /**
       * @param {module:history.HistoryRecordingService} hrService
       * @returns {undefined}
       */
 
     }, {
-      key: 'mergeLayer',
+      key: "mergeLayer",
       value: function mergeLayer(hrService) {
         var currentGroup = this.current_layer.getGroup();
         var prevGroup = $$5(currentGroup).prev()[0];
+
         if (!prevGroup) {
           return;
         }
 
         hrService.startBatchCommand('Merge Layer');
-
         var layerNextSibling = currentGroup.nextSibling;
         hrService.removeElement(currentGroup, layerNextSibling, this.svgElem_);
 
         while (currentGroup.firstChild) {
           var child = currentGroup.firstChild;
+
           if (child.localName === 'title') {
             hrService.removeElement(child, child.nextSibling, currentGroup);
             child.remove();
             continue;
           }
+
           var oldNextSibling = child.nextSibling;
           prevGroup.append(child);
           hrService.moveElement(child, oldNextSibling, currentGroup);
-        }
+        } // Remove current layer's group
+
+
+        this.current_layer.removeGroup(); // Remove the current layer and set the previous layer as the new current layer
 
-        // Remove current layer's group
-        this.current_layer.removeGroup();
-        // Remove the current layer and set the previous layer as the new current layer
         var index = this.all_layers.indexOf(this.current_layer);
+
         if (index > 0) {
           var _name = this.current_layer.getName();
+
           this.current_layer = this.all_layers[index - 1];
           this.all_layers.splice(index, 1);
           delete this.layer_map[_name];
@@ -9641,25 +10371,24 @@
 
         hrService.endBatchCommand();
       }
-
       /**
       * @param {module:history.HistoryRecordingService} hrService
       * @returns {undefined}
       */
 
     }, {
-      key: 'mergeAllLayers',
+      key: "mergeAllLayers",
       value: function mergeAllLayers(hrService) {
         // Set the current layer to the last layer.
         this.current_layer = this.all_layers[this.all_layers.length - 1];
-
         hrService.startBatchCommand('Merge all Layers');
+
         while (this.all_layers.length > 1) {
           this.mergeLayer(hrService);
         }
+
         hrService.endBatchCommand();
       }
-
       /**
        * Sets the current layer. If the name is not a valid layer name, then this
        * function returns `false`. Otherwise it returns `true`. This is not an
@@ -9669,20 +10398,22 @@
        */
 
     }, {
-      key: 'setCurrentLayer',
+      key: "setCurrentLayer",
       value: function setCurrentLayer(name) {
         var layer = this.layer_map[name];
+
         if (layer) {
           if (this.current_layer) {
             this.current_layer.deactivate();
           }
+
           this.current_layer = layer;
           this.current_layer.activate();
           return true;
         }
+
         return false;
       }
-
       /**
        * Deletes the current layer from the drawing and then clears the selection.
        * This function then calls the 'changed' handler.  This is an undoable action.
@@ -9691,16 +10422,16 @@
        */
 
     }, {
-      key: 'deleteCurrentLayer',
+      key: "deleteCurrentLayer",
       value: function deleteCurrentLayer() {
         if (this.current_layer && this.getNumLayers() > 1) {
           var oldLayerGroup = this.current_layer.removeGroup();
           this.identifyLayers();
           return oldLayerGroup;
         }
+
         return null;
       }
-
       /**
        * Updates layer system and sets the current layer to the
        * top-most layer (last `<g>` child of this drawing).
@@ -9708,23 +10439,26 @@
       */
 
     }, {
-      key: 'identifyLayers',
+      key: "identifyLayers",
       value: function identifyLayers() {
         this.all_layers = [];
         this.layer_map = {};
-        var numchildren = this.svgElem_.childNodes.length;
-        // loop through all children of SVG element
+        var numchildren = this.svgElem_.childNodes.length; // loop through all children of SVG element
+
         var orphans = [],
             layernames = [];
         var layer = null;
         var childgroups = false;
+
         for (var i = 0; i < numchildren; ++i) {
-          var child = this.svgElem_.childNodes.item(i);
-          // for each g, find its layer name
+          var child = this.svgElem_.childNodes.item(i); // for each g, find its layer name
+
           if (child && child.nodeType === 1) {
             if (child.tagName === 'g') {
               childgroups = true;
+
               var _name2 = findLayerNameInGroup(child);
+
               if (_name2) {
                 layernames.push(_name2);
                 layer = new Layer(_name2, child);
@@ -9739,9 +10473,9 @@
               orphans.push(child);
             }
           }
-        }
+        } // If orphans or no layers found, create a new layer and add all the orphans to it
+
 
-        // If orphans or no layers found, create a new layer and add all the orphans to it
         if (orphans.length > 0 || !childgroups) {
           layer = new Layer(getNewLayerName(layernames), null, this.svgElem_);
           layer.appendChildren(orphans);
@@ -9750,9 +10484,9 @@
         } else {
           layer.activate();
         }
+
         this.current_layer = layer;
       }
-
       /**
        * Creates a new top-level layer in the drawing with the given name and
        * makes it the current layer.
@@ -9763,19 +10497,20 @@
       */
 
     }, {
-      key: 'createLayer',
+      key: "createLayer",
       value: function createLayer(name, hrService) {
         if (this.current_layer) {
           this.current_layer.deactivate();
-        }
-        // Check for duplicate name.
+        } // Check for duplicate name.
+
+
         if (name === undefined || name === null || name === '' || this.layer_map[name]) {
           name = getNewLayerName(Object.keys(this.layer_map));
-        }
+        } // Crate new layer and add to DOM as last layer
+
+
+        var layer = new Layer(name, null, this.svgElem_); // Like to assume hrService exists, but this is backwards compatible with old version of createLayer.
 
-        // Crate new layer and add to DOM as last layer
-        var layer = new Layer(name, null, this.svgElem_);
-        // Like to assume hrService exists, but this is backwards compatible with old version of createLayer.
         if (hrService) {
           hrService.startBatchCommand('Create Layer');
           hrService.insertElement(layer.getGroup());
@@ -9787,7 +10522,6 @@
         this.current_layer = layer;
         return layer.getGroup();
       }
-
       /**
        * Creates a copy of the current layer with the given name and makes it the current layer.
        * @param {string} name - The given name. If the layer name exists, a new name will be generated.
@@ -9797,29 +10531,32 @@
       */
 
     }, {
-      key: 'cloneLayer',
+      key: "cloneLayer",
       value: function cloneLayer(name, hrService) {
         if (!this.current_layer) {
           return null;
         }
-        this.current_layer.deactivate();
-        // Check for duplicate name.
+
+        this.current_layer.deactivate(); // Check for duplicate name.
+
         if (name === undefined || name === null || name === '' || this.layer_map[name]) {
           name = getNewLayerName(Object.keys(this.layer_map));
-        }
+        } // Create new group and add to DOM just after current_layer
+
 
-        // Create new group and add to DOM just after current_layer
         var currentGroup = this.current_layer.getGroup();
         var layer = new Layer(name, currentGroup, this.svgElem_);
-        var group = layer.getGroup();
+        var group = layer.getGroup(); // Clone children
 
-        // Clone children
         var children = currentGroup.childNodes;
+
         for (var _index = 0; _index < children.length; _index++) {
           var ch = children[_index];
+
           if (ch.localName === 'title') {
             continue;
           }
+
           group.append(this.copyElem(ch));
         }
 
@@ -9827,20 +10564,21 @@
           hrService.startBatchCommand('Duplicate Layer');
           hrService.insertElement(group);
           hrService.endBatchCommand();
-        }
+        } // Update layer containers and current_layer.
+
 
-        // Update layer containers and current_layer.
         var index = this.all_layers.indexOf(this.current_layer);
+
         if (index >= 0) {
           this.all_layers.splice(index + 1, 0, layer);
         } else {
           this.all_layers.push(layer);
         }
+
         this.layer_map[name] = layer;
         this.current_layer = layer;
         return group;
       }
-
       /**
        * Returns whether the layer is visible.  If the layer name is not valid,
        * then this function returns `false`.
@@ -9849,12 +10587,11 @@
       */
 
     }, {
-      key: 'getLayerVisibility',
+      key: "getLayerVisibility",
       value: function getLayerVisibility(layerName) {
         var layer = this.layer_map[layerName];
         return layer ? layer.isVisible() : false;
       }
-
       /**
        * Sets the visibility of the layer. If the layer name is not valid, this
        * function returns `null`, otherwise it returns the `SVGElement` representing
@@ -9866,19 +10603,21 @@
       */
 
     }, {
-      key: 'setLayerVisibility',
+      key: "setLayerVisibility",
       value: function setLayerVisibility(layerName, bVisible) {
         if (typeof bVisible !== 'boolean') {
           return null;
         }
+
         var layer = this.layer_map[layerName];
+
         if (!layer) {
           return null;
         }
+
         layer.setVisible(bVisible);
         return layer.getGroup();
       }
-
       /**
        * Returns the opacity of the given layer.  If the input name is not a layer, `null` is returned.
        * @param {string} layerName - name of the layer on which to get the opacity
@@ -9887,15 +10626,16 @@
       */
 
     }, {
-      key: 'getLayerOpacity',
+      key: "getLayerOpacity",
       value: function getLayerOpacity(layerName) {
         var layer = this.layer_map[layerName];
+
         if (!layer) {
           return null;
         }
+
         return layer.getOpacity();
       }
-
       /**
        * Sets the opacity of the given layer.  If the input name is not a layer,
        * nothing happens. If opacity is not a value between 0.0 and 1.0, then
@@ -9910,17 +10650,18 @@
       */
 
     }, {
-      key: 'setLayerOpacity',
+      key: "setLayerOpacity",
       value: function setLayerOpacity(layerName, opacity) {
         if (typeof opacity !== 'number' || opacity < 0.0 || opacity > 1.0) {
           return;
         }
+
         var layer = this.layer_map[layerName];
+
         if (layer) {
           layer.setOpacity(opacity);
         }
       }
-
       /**
        * Create a clone of an element, updating its ID and its children's IDs when needed
        * @param {Element} el - DOM element to clone
@@ -9928,18 +10669,20 @@
        */
 
     }, {
-      key: 'copyElem',
+      key: "copyElem",
       value: function copyElem$$1(el) {
         var self = this;
+
         var getNextIdClosure = function getNextIdClosure() {
           return self.getNextId();
         };
+
         return copyElem(el, getNextIdClosure);
       }
     }]);
+
     return Drawing;
   }();
-
   /**
    * Called to ensure that drawings will or will not have randomized ids.
    * The currentDrawing will have its nonce set if it doesn't already.
@@ -9948,6 +10691,7 @@
    * @param {draw.Drawing} currentDrawing
    * @returns {undefined}
    */
+
   var randomizeIds = function randomizeIds(enableRandomization, currentDrawing) {
     randIds = enableRandomization === false ? RandomizeModes.NEVER_RANDOMIZE : RandomizeModes.ALWAYS_RANDOMIZE;
 
@@ -9956,9 +10700,7 @@
     } else if (randIds === RandomizeModes.NEVER_RANDOMIZE && currentDrawing.getNonce()) {
       currentDrawing.clearNonce();
     }
-  };
-
-  // Layer API Functions
+  }; // Layer API Functions
 
   /**
   * Group: Layers
@@ -9975,32 +10717,39 @@
    * @property {external:jQuery.data} elData
    * @property {module:history.UndoManager} undoMgr
    */
+
   /**
    * @function module:draw.DrawCanvasInit#getCurrentGroup
    * @returns {Element}
    */
+
   /**
    * @function module:draw.DrawCanvasInit#setCurrentGroup
    * @param {Element} cg
    * @returns {undefined}
   */
+
   /**
    * @function module:draw.DrawCanvasInit#getSelectedElements
    * @returns {Element[]} the array with selected DOM elements
   */
+
   /**
    * @function module:draw.DrawCanvasInit#getSVGContent
    * @returns {SVGSVGElement}
    */
+
   /**
    * @function module:draw.DrawCanvasInit#getCurrentDrawing
    * @returns {module:draw.Drawing}
    */
+
   /**
    * @function module:draw.DrawCanvasInit#clearSelection
    * @param {boolean} [noCall] - When `true`, does not call the "selected" handler
    * @returns {undefined}
   */
+
   /**
    * Run the callback function associated with the given event
    * @function module:draw.DrawCanvasInit#call
@@ -10010,36 +10759,38 @@
    * passed. If the event is "contextset", the arg is `null` or `Element`.
    * @returns {undefined}
    */
+
   /**
    * @function module:draw.DrawCanvasInit#addCommandToHistory
    * @param {Command} cmd
    * @returns {undefined}
   */
+
   /**
    * @function module:draw.DrawCanvasInit#changeSVGContent
    * @returns {undefined}
    */
 
-  var canvas_ = void 0;
+  var canvas_;
   /**
   * @function module:draw.init
   * @param {module:draw.DrawCanvasInit} canvas
   * @returns {undefined}
   */
+
   var init$3 = function init(canvas) {
     canvas_ = canvas;
   };
-
   /**
   * Updates layer system
   * @function module:draw.identifyLayers
   * @returns {undefined}
   */
+
   var identifyLayers = function identifyLayers() {
     leaveContext();
     canvas_.getCurrentDrawing().identifyLayers();
   };
-
   /**
   * Creates a new top-level layer in the drawing with the given name, sets the current layer
   * to it, and then clears the selection. This function then calls the 'changed' handler.
@@ -10050,12 +10801,12 @@
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {undefined}
   */
+
   var createLayer = function createLayer(name, hrService) {
     var newLayer = canvas_.getCurrentDrawing().createLayer(name, historyRecordingService(hrService));
     canvas_.clearSelection();
     canvas_.call('changed', [newLayer]);
   };
-
   /**
    * Creates a new top-level layer in the drawing with the given name, copies all the current layer's contents
    * to it, and then clears the selection. This function then calls the 'changed' handler.
@@ -10066,15 +10817,14 @@
    * @fires module:svgcanvas.SvgCanvas#event:changed
    * @returns {undefined}
    */
+
   var cloneLayer = function cloneLayer(name, hrService) {
     // Clone the current layer and make the cloned layer the new current layer
     var newLayer = canvas_.getCurrentDrawing().cloneLayer(name, historyRecordingService(hrService));
-
     canvas_.clearSelection();
     leaveContext();
     canvas_.call('changed', [newLayer]);
   };
-
   /**
   * Deletes the current layer from the drawing and then clears the selection. This function
   * then calls the 'changed' handler. This is an undoable action.
@@ -10082,25 +10832,26 @@
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {boolean} `true` if an old layer group was found to delete
   */
+
   var deleteCurrentLayer = function deleteCurrentLayer() {
     var currentLayer = canvas_.getCurrentDrawing().getCurrentLayer();
     var _currentLayer = currentLayer,
         nextSibling = _currentLayer.nextSibling;
-
     var parent = currentLayer.parentNode;
     currentLayer = canvas_.getCurrentDrawing().deleteCurrentLayer();
+
     if (currentLayer) {
-      var batchCmd = new BatchCommand('Delete Layer');
-      // store in our Undo History
+      var batchCmd = new BatchCommand('Delete Layer'); // store in our Undo History
+
       batchCmd.addSubCommand(new RemoveElementCommand(currentLayer, nextSibling, parent));
       canvas_.addCommandToHistory(batchCmd);
       canvas_.clearSelection();
       canvas_.call('changed', [parent]);
       return true;
     }
+
     return false;
   };
-
   /**
   * Sets the current layer. If the name is not a valid layer name, then this function returns
   * false. Otherwise it returns true. This is not an undo-able action.
@@ -10108,14 +10859,16 @@
   * @param {string} name - The name of the layer you want to switch to.
   * @returns {boolean} true if the current layer was switched, otherwise false
   */
+
   var setCurrentLayer = function setCurrentLayer(name) {
     var result = canvas_.getCurrentDrawing().setCurrentLayer(toXml(name));
+
     if (result) {
       canvas_.clearSelection();
     }
+
     return result;
   };
-
   /**
   * Renames the current layer. If the layer name is not valid (i.e. unique), then this function
   * does nothing and returns `false`, otherwise it returns `true`. This is an undo-able action.
@@ -10125,19 +10878,22 @@
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {boolean} Whether the rename succeeded
   */
+
   var renameCurrentLayer = function renameCurrentLayer(newName) {
     var drawing = canvas_.getCurrentDrawing();
     var layer = drawing.getCurrentLayer();
+
     if (layer) {
       var result = drawing.setCurrentLayerName(newName, historyRecordingService());
+
       if (result) {
         canvas_.call('changed', [layer]);
         return true;
       }
     }
+
     return false;
   };
-
   /**
   * Changes the position of the current layer to the new value. If the new index is not valid,
   * this function does nothing and returns false, otherwise it returns true. This is an
@@ -10147,16 +10903,18 @@
   * 0 and (number of layers - 1)
   * @returns {boolean} `true` if the current layer position was changed, `false` otherwise.
   */
+
   var setCurrentLayerPosition = function setCurrentLayerPosition(newPos) {
     var drawing = canvas_.getCurrentDrawing();
     var result = drawing.setCurrentLayerPosition(newPos);
+
     if (result) {
       canvas_.addCommandToHistory(new MoveElementCommand(result.currentGroup, result.oldNextSibling, canvas_.getSVGContent()));
       return true;
     }
+
     return false;
   };
-
   /**
   * Sets the visibility of the layer. If the layer name is not valid, this function return
   * `false`, otherwise it returns `true`. This is an undo-able action.
@@ -10165,13 +10923,17 @@
   * @param {boolean} bVisible - Whether the layer should be visible
   * @returns {boolean} true if the layer's visibility was set, false otherwise
   */
+
   var setLayerVisibility = function setLayerVisibility(layerName, bVisible) {
     var drawing = canvas_.getCurrentDrawing();
     var prevVisibility = drawing.getLayerVisibility(layerName);
     var layer = drawing.setLayerVisibility(layerName, bVisible);
+
     if (layer) {
       var oldDisplay = prevVisibility ? 'inline' : 'none';
-      canvas_.addCommandToHistory(new ChangeElementCommand(layer, { display: oldDisplay }, 'Layer Visibility'));
+      canvas_.addCommandToHistory(new ChangeElementCommand(layer, {
+        display: oldDisplay
+      }, 'Layer Visibility'));
     } else {
       return false;
     }
@@ -10179,11 +10941,11 @@
     if (layer === drawing.getCurrentLayer()) {
       canvas_.clearSelection();
       canvas_.pathActions.clear();
-    }
-    // call('changed', [selected]);
+    } // call('changed', [selected]);
+
+
     return true;
   };
-
   /**
   * Moves the selected elements to layerName. If the name is not a valid layer name, then `false`
   * is returned. Otherwise it returns `true`. This is an undo-able action.
@@ -10191,60 +10953,62 @@
   * @param {string} layerName - The name of the layer you want to which you want to move the selected elements
   * @returns {boolean} Whether the selected elements were moved to the layer.
   */
+
   var moveSelectedToLayer = function moveSelectedToLayer(layerName) {
     // find the layer
     var drawing = canvas_.getCurrentDrawing();
     var layer = drawing.getLayerByName(layerName);
+
     if (!layer) {
       return false;
     }
 
-    var batchCmd = new BatchCommand('Move Elements to Layer');
+    var batchCmd = new BatchCommand('Move Elements to Layer'); // loop for each selected element and move it
 
-    // loop for each selected element and move it
     var selElems = canvas_.getSelectedElements();
     var i = selElems.length;
+
     while (i--) {
       var elem = selElems[i];
+
       if (!elem) {
         continue;
       }
-      var oldNextSibling = elem.nextSibling;
-      // TODO: this is pretty brittle!
+
+      var oldNextSibling = elem.nextSibling; // TODO: this is pretty brittle!
+
       var oldLayer = elem.parentNode;
       layer.append(elem);
       batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldLayer));
     }
 
     canvas_.addCommandToHistory(batchCmd);
-
     return true;
   };
-
   /**
   * @function module:draw.mergeLayer
   * @param {module:history.HistoryRecordingService} hrService
   * @returns {undefined}
   */
+
   var mergeLayer = function mergeLayer(hrService) {
     canvas_.getCurrentDrawing().mergeLayer(historyRecordingService(hrService));
     canvas_.clearSelection();
     leaveContext();
     canvas_.changeSVGContent();
   };
-
   /**
   * @function module:draw.mergeAllLayers
   * @param {module:history.HistoryRecordingService} hrService
   * @returns {undefined}
   */
+
   var mergeAllLayers = function mergeAllLayers(hrService) {
     canvas_.getCurrentDrawing().mergeAllLayers(historyRecordingService(hrService));
     canvas_.clearSelection();
     leaveContext();
     canvas_.changeSVGContent();
   };
-
   /**
   * Return from a group context to the regular kind, make any previously
   * disabled elements enabled again
@@ -10252,26 +11016,31 @@
   * @fires module:svgcanvas.SvgCanvas#event:contextset
   * @returns {undefined}
   */
+
   var leaveContext = function leaveContext() {
     var len = disabledElems.length;
+
     if (len) {
       for (var i = 0; i < len; i++) {
         var elem = disabledElems[i];
         var orig = canvas_.elData(elem, 'orig_opac');
+
         if (orig !== 1) {
           elem.setAttribute('opacity', orig);
         } else {
           elem.removeAttribute('opacity');
         }
+
         elem.setAttribute('style', 'pointer-events: inherit');
       }
+
       disabledElems = [];
       canvas_.clearSelection(true);
       canvas_.call('contextset', null);
     }
+
     canvas_.setCurrentGroup(null);
   };
-
   /**
   * Set the current context (for in-group editing)
   * @function module:draw.setContext
@@ -10279,25 +11048,25 @@
   * @fires module:svgcanvas.SvgCanvas#event:contextset
   * @returns {undefined}
   */
+
   var setContext = function setContext(elem) {
     leaveContext();
+
     if (typeof elem === 'string') {
       elem = getElem(elem);
-    }
+    } // Edit inside this group
 
-    // Edit inside this group
-    canvas_.setCurrentGroup(elem);
 
-    // Disable other elements
+    canvas_.setCurrentGroup(elem); // Disable other elements
+
     $$5(elem).parentsUntil('#svgcontent').andSelf().siblings().each(function () {
-      var opac = this.getAttribute('opacity') || 1;
-      // Store the original's opacity
+      var opac = this.getAttribute('opacity') || 1; // Store the original's opacity
+
       canvas_.elData(this, 'orig_opac', opac);
       this.setAttribute('opacity', opac * 0.33);
       this.setAttribute('style', 'pointer-events: none');
       disabledElems.push(this);
     });
-
     canvas_.clearSelection();
     canvas_.call('contextset', canvas_.getCurrentGroup());
   };
@@ -10322,17 +11091,8 @@
     Layer: Layer
   });
 
-  /**
-   * Tools for SVG sanitization
-   * @module sanitize
-   * @license MIT
-   *
-   * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller
-   */
+  var REVERSE_NS = getReverseNS(); // this defines which elements and attributes that we support
 
-  var REVERSE_NS = getReverseNS();
-
-  // this defines which elements and attributes that we support
   var svgWhiteList_ = {
     // SVG Elements
     a: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'mask', 'opacity', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'xlink:href', 'xlink:title'],
@@ -10367,7 +11127,6 @@
     title: [],
     tspan: ['class', 'clip-path', 'clip-rule', 'dx', 'dy', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'font-family', 'font-size', 'font-style', 'font-weight', 'id', 'mask', 'opacity', 'requiredFeatures', 'rotate', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'text-anchor', 'textLength', 'transform', 'x', 'xml:space', 'y'],
     use: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'height', 'id', 'mask', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'transform', 'width', 'x', 'xlink:href', 'y'],
-
     // MathML Elements
     annotation: ['encoding'],
     'annotation-xml': ['encoding'],
@@ -10400,18 +11159,17 @@
     munderover: [],
     none: [],
     semantics: []
-  };
+  }; // Produce a Namespace-aware version of svgWhitelist
 
-  // Produce a Namespace-aware version of svgWhitelist
   var svgWhiteListNS_ = {};
   Object.entries(svgWhiteList_).forEach(function (_ref) {
-    var _ref2 = slicedToArray(_ref, 2),
+    var _ref2 = _slicedToArray(_ref, 2),
         elt = _ref2[0],
         atts = _ref2[1];
 
     var attNS = {};
     Object.entries(atts).forEach(function (_ref3) {
-      var _ref4 = slicedToArray(_ref3, 2),
+      var _ref4 = _slicedToArray(_ref3, 2),
           i = _ref4[0],
           att = _ref4[1];
 
@@ -10424,7 +11182,6 @@
     });
     svgWhiteListNS_[elt] = attNS;
   });
-
   /**
   * Sanitizes the input node and its children.
   * It only keeps what is allowed from our whitelist defined above.
@@ -10432,47 +11189,49 @@
   * @param {Text|Element} node - The DOM element to be checked (we'll also check its children) or text node to be cleaned up
   * @returns {undefined}
   */
+
   var sanitizeSvg = function sanitizeSvg(node) {
     // Cleanup text nodes
     if (node.nodeType === 3) {
       // 3 === TEXT_NODE
       // Trim whitespace
-      node.nodeValue = node.nodeValue.replace(/^\s+|\s+$/g, '');
-      // Remove if empty
+      node.nodeValue = node.nodeValue.replace(/^\s+|\s+$/g, ''); // Remove if empty
+
       if (!node.nodeValue.length) {
         node.remove();
       }
-    }
-
-    // We only care about element nodes.
+    } // We only care about element nodes.
     // Automatically return for all non-element nodes, such as comments, etc.
+
+
     if (node.nodeType !== 1) {
       // 1 == ELEMENT_NODE
       return;
     }
 
     var doc = node.ownerDocument;
-    var parent = node.parentNode;
-    // can parent ever be null here?  I think the root node's parent is the document...
+    var parent = node.parentNode; // can parent ever be null here?  I think the root node's parent is the document...
+
     if (!doc || !parent) {
       return;
     }
 
     var allowedAttrs = svgWhiteList_[node.nodeName];
-    var allowedAttrsNS = svgWhiteListNS_[node.nodeName];
-    // if this element is supported, sanitize it
+    var allowedAttrsNS = svgWhiteListNS_[node.nodeName]; // if this element is supported, sanitize it
+
     if (typeof allowedAttrs !== 'undefined') {
       var seAttrs = [];
       var i = node.attributes.length;
+
       while (i--) {
         // if the attribute is not in our whitelist, then remove it
         // could use jQuery's inArray(), but I don't know if that's any better
         var attr = node.attributes.item(i);
         var attrName = attr.nodeName;
         var attrLocalName = attr.localName;
-        var attrNsURI = attr.namespaceURI;
-        // Check that an attribute with the correct localName in the correct namespace is on
+        var attrNsURI = attr.namespaceURI; // Check that an attribute with the correct localName in the correct namespace is on
         // our whitelist or is a namespace declaration for one of our allowed namespaces
+
         if (!(allowedAttrsNS.hasOwnProperty(attrLocalName) && attrNsURI === allowedAttrsNS[attrLocalName] && attrNsURI !== NS.XMLNS) && !(attrNsURI === NS.XMLNS && REVERSE_NS[attr.value])) {
           // TODO(codedread): Programmatically add the se: attributes to the NS-aware whitelist.
           // Bypassing the whitelist to allow se: prefixes.
@@ -10480,10 +11239,11 @@
           if (attrName.startsWith('se:') || attrName.startsWith('data-')) {
             seAttrs.push([attrName, attr.value]);
           }
-          node.removeAttributeNS(attrNsURI, attrLocalName);
-        }
 
-        // Add spaces before negative signs where necessary
+          node.removeAttributeNS(attrNsURI, attrLocalName);
+        } // Add spaces before negative signs where necessary
+
+
         if (isGecko()) {
           switch (attrName) {
             case 'transform':
@@ -10493,40 +11253,44 @@
               node.setAttribute(attrName, val);
               break;
           }
-        }
+        } // For the style attribute, rewrite it in terms of XML presentational attributes
+
 
-        // For the style attribute, rewrite it in terms of XML presentational attributes
         if (attrName === 'style') {
           var props = attr.value.split(';');
           var p = props.length;
+
           while (p--) {
             var _props$p$split = props[p].split(':'),
-                _props$p$split2 = slicedToArray(_props$p$split, 2),
+                _props$p$split2 = _slicedToArray(_props$p$split, 2),
                 name = _props$p$split2[0],
                 _val = _props$p$split2[1];
 
             var styleAttrName = (name || '').trim();
-            var styleAttrVal = (_val || '').trim();
-            // Now check that this attribute is supported
+
+            var styleAttrVal = (_val || '').trim(); // Now check that this attribute is supported
+
+
             if (allowedAttrs.includes(styleAttrName)) {
               node.setAttribute(styleAttrName, styleAttrVal);
             }
           }
+
           node.removeAttribute('style');
         }
       }
 
       Object.values(seAttrs).forEach(function (_ref5) {
-        var _ref6 = slicedToArray(_ref5, 2),
+        var _ref6 = _slicedToArray(_ref5, 2),
             att = _ref6[0],
             val = _ref6[1];
 
         node.setAttributeNS(NS.SE, att, val);
-      });
-
-      // for some elements that have a xlink:href, ensure the URI refers to a local element
+      }); // for some elements that have a xlink:href, ensure the URI refers to a local element
       // (but not for links)
+
       var href = getHref(node);
+
       if (href && ['filter', 'linearGradient', 'pattern', 'radialGradient', 'textPath', 'use'].includes(node.nodeName)) {
         // TODO: we simply check if the first character is a #, is this bullet-proof?
         if (href[0] !== '#') {
@@ -10534,46 +11298,49 @@
           setHref(node, '');
           node.removeAttributeNS(NS.XLINK, 'href');
         }
-      }
+      } // Safari crashes on a <use> without a xlink:href, so we just remove the node here
+
 
-      // Safari crashes on a <use> without a xlink:href, so we just remove the node here
       if (node.nodeName === 'use' && !getHref(node)) {
         node.remove();
         return;
-      }
-      // if the element has attributes pointing to a non-local reference,
+      } // if the element has attributes pointing to a non-local reference,
       // need to remove the attribute
+
+
       Object.values(['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'], function (attr) {
         var val = node.getAttribute(attr);
+
         if (val) {
-          val = getUrlFromAttr(val);
-          // simply check for first character being a '#'
+          val = getUrlFromAttr(val); // simply check for first character being a '#'
+
           if (val && val[0] !== '#') {
             node.setAttribute(attr, '');
             node.removeAttribute(attr);
           }
         }
-      });
+      }); // recurse to children
 
-      // recurse to children
       i = node.childNodes.length;
+
       while (i--) {
         sanitizeSvg(node.childNodes.item(i));
-      }
-      // else (element not supported), remove it
+      } // else (element not supported), remove it
+
     } else {
       // remove all children from this node and insert them before this node
       // FIXME: in the case of animation elements this will hardly ever be correct
       var children = [];
+
       while (node.hasChildNodes()) {
         children.push(parent.insertBefore(node.firstChild, node));
-      }
+      } // remove this node from the document altogether
 
-      // remove this node from the document altogether
-      node.remove();
 
-      // call sanitizeSvg on each of those children
+      node.remove(); // call sanitizeSvg on each of those children
+
       var _i = children.length;
+
       while (_i--) {
         sanitizeSvg(children[_i]);
       }
@@ -10581,43 +11348,43 @@
   };
 
   /* globals jQuery */
+  var $$6 = jQuery; // this is how we map paths to our preferred relative segment types
 
-  var $$6 = jQuery;
-
-  // this is how we map paths to our preferred relative segment types
   var pathMap$1 = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a', 'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];
-
   /**
    * @interface module:coords.EditorContext
    */
+
   /**
    * @function module:coords.EditorContext#getGridSnapping
    * @returns {boolean}
    */
+
   /**
    * @function module:coords.EditorContext#getDrawing
    * @returns {module:draw.Drawing}
   */
+
   /**
    * @function module:coords.EditorContext#getSVGRoot
    * @returns {SVGSVGElement}
   */
 
   var editorContext_$2 = null;
-
   /**
   * @function module:coords.init
   * @param {module:coords.EditorContext} editorContext
   */
+
   var init$4 = function init(editorContext) {
     editorContext_$2 = editorContext;
   };
-
   /**
    * Applies coordinate changes to an element based on the given matrix
    * @function module:coords.remapElement
    * @implements {module:path.EditorContext#remapElement}
   */
+
   var remapElement = function remapElement(selected, changes, m) {
     var remap = function remap(x, y) {
       return transformPoint(x, y, m);
@@ -10635,6 +11402,7 @@
           changes[o] = snapToGrid(changes[o]);
         }
       }
+
       assignAttributes(selected, changes, 1000, true);
     },
         box = getBBox(selected);
@@ -10642,10 +11410,12 @@
     for (var i = 0; i < 2; i++) {
       var type = i === 0 ? 'fill' : 'stroke';
       var attrVal = selected.getAttribute(type);
+
       if (attrVal && attrVal.startsWith('url(')) {
         if (m.a < 0 || m.d < 0) {
           var grad = getRefElem(attrVal);
           var newgrad = grad.cloneNode(true);
+
           if (m.a < 0) {
             // flip x
             var x1 = newgrad.getAttribute('x1');
@@ -10661,19 +11431,20 @@
             newgrad.setAttribute('y1', -(y1 - 1));
             newgrad.setAttribute('y2', -(y2 - 1));
           }
+
           newgrad.id = editorContext_$2.getDrawing().getNextId();
           findDefs().append(newgrad);
           selected.setAttribute(type, 'url(#' + newgrad.id + ')');
-        }
-
-        // Not really working :(
+        } // Not really working :(
         // if (selected.tagName === 'path') {
         //   reorientGrads(selected, m);
         // }
+
       }
     }
 
     var elName = selected.tagName;
+
     if (elName === 'g' || elName === 'text' || elName === 'tspan' || elName === 'use') {
       // if it was a translate, then just update x,y
       if (m.a === 1 && m.b === 0 && m.c === 0 && m.d === 1 && (m.e !== 0 || m.f !== 0)) {
@@ -10691,10 +11462,10 @@
         chlist.clear();
         chlist.appendItem(mt);
       }
-    }
-
-    // now we have a set of changes and an applied reduced transform list
+    } // now we have a set of changes and an applied reduced transform list
     // we apply the changes directly to the DOM
+
+
     switch (elName) {
       case 'foreignObject':
       case 'rect':
@@ -10704,9 +11475,13 @@
           if (elName === 'image' && (m.a < 0 || m.d < 0)) {
             // Convert to matrix
             var _chlist = getTransformList(selected);
+
             var _mt = editorContext_$2.getSVGRoot().createSVGTransform();
+
             _mt.setMatrix(matrixMultiply(transformListToTransform(_chlist).matrix, m));
+
             _chlist.clear();
+
             _chlist.appendItem(_mt);
           } else {
             var pt1 = remap(changes.x, changes.y);
@@ -10717,9 +11492,12 @@
             changes.width = Math.abs(changes.width);
             changes.height = Math.abs(changes.height);
           }
+
           finishUp();
           break;
-        }case 'ellipse':
+        }
+
+      case 'ellipse':
         {
           var c = remap(changes.cx, changes.cy);
           changes.cx = c.x;
@@ -10730,12 +11508,15 @@
           changes.ry = Math.abs(changes.ry);
           finishUp();
           break;
-        }case 'circle':
+        }
+
+      case 'circle':
         {
           var _c = remap(changes.cx, changes.cy);
+
           changes.cx = _c.x;
-          changes.cy = _c.y;
-          // take the minimum of the new selected box's dimensions for the new circle radius
+          changes.cy = _c.y; // take the minimum of the new selected box's dimensions for the new circle radius
+
           var tbox = transformBox(box.x, box.y, box.width, box.height, m);
           var w = tbox.tr.x - tbox.tl.x,
               h = tbox.bl.y - tbox.tl.y;
@@ -10744,34 +11525,47 @@
           if (changes.r) {
             changes.r = Math.abs(changes.r);
           }
+
           finishUp();
           break;
-        }case 'line':
+        }
+
+      case 'line':
         {
           var _pt = remap(changes.x1, changes.y1);
+
           var pt2 = remap(changes.x2, changes.y2);
           changes.x1 = _pt.x;
           changes.y1 = _pt.y;
           changes.x2 = pt2.x;
           changes.y2 = pt2.y;
-        } // Fallthrough
+        }
+      // Fallthrough
+
       case 'text':
       case 'tspan':
       case 'use':
         {
           finishUp();
           break;
-        }case 'g':
+        }
+
+      case 'g':
         {
           var gsvg = $$6(selected).data('gsvg');
+
           if (gsvg) {
             assignAttributes(gsvg, changes, 1000, true);
           }
+
           break;
-        }case 'polyline':
+        }
+
+      case 'polyline':
       case 'polygon':
         {
           var len = changes.points.length;
+
           for (var _i = 0; _i < len; ++_i) {
             var pt = changes.points[_i];
 
@@ -10781,21 +11575,26 @@
 
             changes.points[_i].x = x;
             changes.points[_i].y = y;
-          }
+          } // const len = changes.points.length;
+
 
-          // const len = changes.points.length;
           var pstr = '';
+
           for (var _i2 = 0; _i2 < len; ++_i2) {
             var _pt2 = changes.points[_i2];
             pstr += _pt2.x + ',' + _pt2.y + ' ';
           }
+
           selected.setAttribute('points', pstr);
           break;
-        }case 'path':
+        }
+
+      case 'path':
         {
           var segList = selected.pathSegList;
           var _len = segList.numberOfItems;
           changes.d = [];
+
           for (var _i3 = 0; _i3 < _len; ++_i3) {
             var seg = segList.getItem(_i3);
             changes.d[_i3] = {
@@ -10819,10 +11618,10 @@
               currentpt = remap(firstseg.x, firstseg.y);
           changes.d[0].x = currentpt.x;
           changes.d[0].y = currentpt.y;
+
           for (var _i4 = 1; _i4 < _len; ++_i4) {
             var _seg = changes.d[_i4];
-            var _type = _seg.type;
-            // if absolute or first segment, we want to remap x, y, x1, y1, x2, y2
+            var _type = _seg.type; // if absolute or first segment, we want to remap x, y, x1, y1, x2, y2
             // if relative, we want to scalew, scaleh
 
             if (_type % 2 === 0) {
@@ -10830,9 +11629,13 @@
               var thisx = _seg.x !== undefined ? _seg.x : currentpt.x,
                   // for V commands
               thisy = _seg.y !== undefined ? _seg.y : currentpt.y; // for H commands
+
               var _pt3 = remap(thisx, thisy);
+
               var _pt4 = remap(_seg.x1, _seg.y1);
+
               var _pt5 = remap(_seg.x2, _seg.y2);
+
               _seg.x = _pt3.x;
               _seg.y = _pt3.y;
               _seg.x1 = _pt4.x;
@@ -10854,49 +11657,68 @@
             }
           } // for each segment
 
+
           var dstr = '';
           _len = changes.d.length;
+
           for (var _i5 = 0; _i5 < _len; ++_i5) {
             var _seg2 = changes.d[_i5];
             var _type2 = _seg2.type;
-
             dstr += pathMap$1[_type2];
+
             switch (_type2) {
               case 13: // relative horizontal line (h)
+
               case 12:
                 // absolute horizontal line (H)
                 dstr += _seg2.x + ' ';
                 break;
+
               case 15: // relative vertical line (v)
+
               case 14:
                 // absolute vertical line (V)
                 dstr += _seg2.y + ' ';
                 break;
+
               case 3: // relative move (m)
+
               case 5: // relative line (l)
+
               case 19: // relative smooth quad (t)
+
               case 2: // absolute move (M)
+
               case 4: // absolute line (L)
+
               case 18:
                 // absolute smooth quad (T)
                 dstr += _seg2.x + ',' + _seg2.y + ' ';
                 break;
+
               case 7: // relative cubic (c)
+
               case 6:
                 // absolute cubic (C)
                 dstr += _seg2.x1 + ',' + _seg2.y1 + ' ' + _seg2.x2 + ',' + _seg2.y2 + ' ' + _seg2.x + ',' + _seg2.y + ' ';
                 break;
+
               case 9: // relative quad (q)
+
               case 8:
                 // absolute quad (Q)
                 dstr += _seg2.x1 + ',' + _seg2.y1 + ' ' + _seg2.x + ',' + _seg2.y + ' ';
                 break;
+
               case 11: // relative elliptical arc (a)
+
               case 10:
                 // absolute elliptical arc (A)
                 dstr += _seg2.r1 + ',' + _seg2.r2 + ' ' + _seg2.angle + ' ' + +_seg2.largeArcFlag + ' ' + +_seg2.sweepFlag + ' ' + _seg2.x + ',' + _seg2.y + ' ';
                 break;
+
               case 17: // relative smooth cubic (s)
+
               case 16:
                 // absolute smooth cubic (S)
                 dstr += _seg2.x2 + ',' + _seg2.y2 + ' ' + _seg2.x + ',' + _seg2.y + ' ';
@@ -10911,22 +11733,22 @@
   };
 
   /* globals jQuery */
-
   var $$7 = jqPluginSVG(jQuery);
-
-  var context_ = void 0;
-
+  var context_;
   /**
   * @interface module:recalculate.EditorContext
   */
+
   /**
    * @function module:recalculate.EditorContext#getSVGRoot
    * @returns {SVGSVGElement} The root DOM element
    */
+
   /**
    * @function module:recalculate.EditorContext#getStartTransform
    * @returns {string}
   */
+
   /**
    * @function module:recalculate.EditorContext#setStartTransform
    * @param {string} transform
@@ -10938,10 +11760,10 @@
   * @param {module:recalculate.EditorContext} editorContext
   * @returns {undefined}
   */
+
   var init$5 = function init$$1(editorContext) {
     context_ = editorContext;
   };
-
   /**
   * Updates a `<clipPath>`s values based on the given translation of an element
   * @function module:recalculate.updateClipPath
@@ -10950,46 +11772,45 @@
   * @param {Float} ty - The translation's y value
   * @returns {undefined}
   */
+
   var updateClipPath = function updateClipPath(attr, tx, ty) {
     var path = getRefElem(attr).firstChild;
     var cpXform = getTransformList(path);
     var newxlate = context_.getSVGRoot().createSVGTransform();
     newxlate.setTranslate(tx, ty);
+    cpXform.appendItem(newxlate); // Update clipPath's dimensions
 
-    cpXform.appendItem(newxlate);
-
-    // Update clipPath's dimensions
     recalculateDimensions(path);
   };
-
   /**
   * Decides the course of action based on the element's transform list
   * @function module:recalculate.recalculateDimensions
   * @param {Element} selected - The DOM element to recalculate
   * @returns {Command} Undo command object with the resulting change
   */
+
   var recalculateDimensions = function recalculateDimensions(selected) {
     if (selected == null) {
       return null;
-    }
+    } // Firefox Issue - 1081
+
 
-    // Firefox Issue - 1081
     if (selected.nodeName === 'svg' && navigator.userAgent.includes('Firefox/20')) {
       return null;
     }
 
     var svgroot = context_.getSVGRoot();
-    var tlist = getTransformList(selected);
+    var tlist = getTransformList(selected); // remove any unnecessary transforms
 
-    // remove any unnecessary transforms
     if (tlist && tlist.numberOfItems > 0) {
       var k = tlist.numberOfItems;
       var noi = k;
+
       while (k--) {
         var xform = tlist.getItem(k);
+
         if (xform.type === 0) {
-          tlist.removeItem(k);
-          // remove identity matrices
+          tlist.removeItem(k); // remove identity matrices
         } else if (xform.type === 1) {
           if (isIdentity(xform.matrix)) {
             if (noi === 1) {
@@ -11000,64 +11821,69 @@
               selected.removeAttribute('transform');
               return null;
             }
+
             tlist.removeItem(k);
-          }
-          // remove zero-degree rotations
+          } // remove zero-degree rotations
+
         } else if (xform.type === 4) {
           if (xform.angle === 0) {
             tlist.removeItem(k);
           }
         }
-      }
-      // End here if all it has is a rotation
+      } // End here if all it has is a rotation
+
+
       if (tlist.numberOfItems === 1 && getRotationAngle(selected)) {
         return null;
       }
-    }
+    } // if this element had no transforms, we are done
+
 
-    // if this element had no transforms, we are done
     if (!tlist || tlist.numberOfItems === 0) {
       // Chrome apparently had a bug that requires clearing the attribute first.
-      selected.setAttribute('transform', '');
-      // However, this still next line currently doesn't work at all in Chrome
-      selected.removeAttribute('transform');
-      // selected.transform.baseVal.clear(); // Didn't help for Chrome bug
-      return null;
-    }
+      selected.setAttribute('transform', ''); // However, this still next line currently doesn't work at all in Chrome
+
+      selected.removeAttribute('transform'); // selected.transform.baseVal.clear(); // Didn't help for Chrome bug
+
+      return null;
+    } // TODO: Make this work for more than 2
+
 
-    // TODO: Make this work for more than 2
     if (tlist) {
       var mxs = [];
       var _k = tlist.numberOfItems;
+
       while (_k--) {
         var _xform = tlist.getItem(_k);
+
         if (_xform.type === 1) {
           mxs.push([_xform.matrix, _k]);
         } else if (mxs.length) {
           mxs = [];
         }
       }
+
       if (mxs.length === 2) {
         var mNew = svgroot.createSVGTransformFromMatrix(matrixMultiply(mxs[1][0], mxs[0][0]));
         tlist.removeItem(mxs[0][1]);
         tlist.removeItem(mxs[1][1]);
         tlist.insertItemBefore(mNew, mxs[1][1]);
-      }
+      } // combine matrix + translate
+
 
-      // combine matrix + translate
       _k = tlist.numberOfItems;
+
       if (_k >= 2 && tlist.getItem(_k - 2).type === 1 && tlist.getItem(_k - 1).type === 2) {
         var mt = svgroot.createSVGTransform();
-
         var m = matrixMultiply(tlist.getItem(_k - 2).matrix, tlist.getItem(_k - 1).matrix);
         mt.setMatrix(m);
         tlist.removeItem(_k - 2);
         tlist.removeItem(_k - 2);
         tlist.appendItem(mt);
       }
-    }
+    } // If it still has a single [M] or [R][M], return null too (prevents BatchCommand from being returned).
+
 
-    // If it still has a single [M] or [R][M], return null too (prevents BatchCommand from being returned).
     switch (selected.tagName) {
       // Ignore these elements, as they can absorb the [M]
       case 'line':
@@ -11065,42 +11891,48 @@
       case 'polygon':
       case 'path':
         break;
+
       default:
         if (tlist.numberOfItems === 1 && tlist.getItem(0).type === 1 || tlist.numberOfItems === 2 && tlist.getItem(0).type === 1 && tlist.getItem(0).type === 4) {
           return null;
         }
-    }
 
-    // Grouped SVG element
-    var gsvg = $$7(selected).data('gsvg');
+    } // Grouped SVG element
 
-    // we know we have some transforms, so set up return variable
-    var batchCmd = new BatchCommand('Transform');
 
-    // store initial values that will be affected by reducing the transform list
+    var gsvg = $$7(selected).data('gsvg'); // we know we have some transforms, so set up return variable
+
+    var batchCmd = new BatchCommand('Transform'); // store initial values that will be affected by reducing the transform list
+
     var changes = {};
     var initial = null;
     var attrs = [];
+
     switch (selected.tagName) {
       case 'line':
         attrs = ['x1', 'y1', 'x2', 'y2'];
         break;
+
       case 'circle':
         attrs = ['cx', 'cy', 'r'];
         break;
+
       case 'ellipse':
         attrs = ['cx', 'cy', 'rx', 'ry'];
         break;
+
       case 'foreignObject':
       case 'rect':
       case 'image':
         attrs = ['width', 'height', 'x', 'y'];
         break;
+
       case 'use':
       case 'text':
       case 'tspan':
         attrs = ['x', 'y'];
         break;
+
       case 'polygon':
       case 'polyline':
         {
@@ -11109,18 +11941,26 @@
           var list = selected.points;
           var len = list.numberOfItems;
           changes.points = new Array(len);
+
           for (var i = 0; i < len; ++i) {
             var pt = list.getItem(i);
-            changes.points[i] = { x: pt.x, y: pt.y };
+            changes.points[i] = {
+              x: pt.x,
+              y: pt.y
+            };
           }
+
           break;
-        }case 'path':
+        }
+
+      case 'path':
         initial = {};
         initial.d = selected.getAttribute('d');
         changes.d = selected.getAttribute('d');
         break;
     } // switch on element type to get initial values
 
+
     if (attrs.length) {
       changes = $$7(selected).attr(attrs);
       $$7.each(changes, function (attr, val) {
@@ -11132,43 +11972,46 @@
         x: $$7(gsvg).attr('x') || 0,
         y: $$7(gsvg).attr('y') || 0
       };
-    }
-
-    // if we haven't created an initial array in polygon/polyline/path, then
+    } // if we haven't created an initial array in polygon/polyline/path, then
     // make a copy of initial values and include the transform
+
+
     if (initial == null) {
       initial = $$7.extend(true, {}, changes);
       $$7.each(initial, function (attr, val) {
         initial[attr] = convertToNum(attr, val);
       });
-    }
-    // save the start transform value too
+    } // save the start transform value too
+
+
     initial.transform = context_.getStartTransform() || '';
+    var oldcenter, newcenter; // if it's a regular group, we have special processing to flatten transforms
 
-    var oldcenter = void 0,
-        newcenter = void 0;
-
-    // if it's a regular group, we have special processing to flatten transforms
     if (selected.tagName === 'g' && !gsvg || selected.tagName === 'a') {
       var box = getBBox(selected);
-
-      oldcenter = { x: box.x + box.width / 2, y: box.y + box.height / 2 };
-      newcenter = transformPoint(box.x + box.width / 2, box.y + box.height / 2, transformListToTransform(tlist).matrix);
-      // let m = svgroot.createSVGMatrix();
-
+      oldcenter = {
+        x: box.x + box.width / 2,
+        y: box.y + box.height / 2
+      };
+      newcenter = transformPoint(box.x + box.width / 2, box.y + box.height / 2, transformListToTransform(tlist).matrix); // let m = svgroot.createSVGMatrix();
       // temporarily strip off the rotate and save the old center
+
       var gangle = getRotationAngle(selected);
+
       if (gangle) {
         var a = gangle * Math.PI / 180;
-        var s = void 0;
+        var s;
+
         if (Math.abs(a) > 1.0e-10) {
           s = Math.sin(a) / (1 - Math.cos(a));
         } else {
           // FIXME: This blows up if the angle is exactly 0!
           s = 2 / a;
         }
+
         for (var _i = 0; _i < tlist.numberOfItems; ++_i) {
           var _xform2 = tlist.getItem(_i);
+
           if (_xform2.type === 4) {
             // extract old center through mystical arts
             var rm = _xform2.matrix;
@@ -11179,44 +12022,43 @@
           }
         }
       }
+
       var N = tlist.numberOfItems;
       var tx = 0,
           ty = 0,
           operation = 0;
+      var firstM;
 
-      var firstM = void 0;
       if (N) {
         firstM = tlist.getItem(0).matrix;
       }
 
-      var oldStartTransform = void 0;
-      // first, if it was a scale then the second-last transform will be it
+      var oldStartTransform; // first, if it was a scale then the second-last transform will be it
+
       if (N >= 3 && tlist.getItem(N - 2).type === 3 && tlist.getItem(N - 3).type === 2 && tlist.getItem(N - 1).type === 2) {
         operation = 3; // scale
-
         // if the children are unrotated, pass the scale down directly
         // otherwise pass the equivalent matrix() down directly
+
         var tm = tlist.getItem(N - 3).matrix,
             sm = tlist.getItem(N - 2).matrix,
             tmn = tlist.getItem(N - 1).matrix;
-
         var children = selected.childNodes;
         var c = children.length;
+
         while (c--) {
           var child = children.item(c);
           tx = 0;
           ty = 0;
-          if (child.nodeType === 1) {
-            var childTlist = getTransformList(child);
 
-            // some children might not have a transform (<metadata>, <defs>, etc)
+          if (child.nodeType === 1) {
+            var childTlist = getTransformList(child); // some children might not have a transform (<metadata>, <defs>, etc)
+
             if (!childTlist) {
               continue;
             }
 
-            var _m = transformListToTransform(childTlist).matrix;
-
-            // Convert a matrix to a scale if applicable
+            var _m = transformListToTransform(childTlist).matrix; // Convert a matrix to a scale if applicable
             // if (hasMatrixTransform(childTlist) && childTlist.numberOfItems == 1) {
             //   if (m.b==0 && m.c==0 && m.e==0 && m.f==0) {
             //     childTlist.removeItem(0);
@@ -11235,31 +12077,27 @@
             var angle = getRotationAngle(child);
             oldStartTransform = context_.getStartTransform();
             context_.setStartTransform(child.getAttribute('transform'));
+
             if (angle || hasMatrixTransform(childTlist)) {
               var e2t = svgroot.createSVGTransform();
               e2t.setMatrix(matrixMultiply(tm, sm, tmn, _m));
               childTlist.clear();
               childTlist.appendItem(e2t);
-              // if not rotated or skewed, push the [T][S][-T] down to the child
             } else {
               // update the transform list with translate,scale,translate
-
               // slide the [T][S][-T] from the front to the back
               // [T][S][-T][M] = [M][T2][S2][-T2]
-
               // (only bringing [-T] to the right of [M])
               // [T][S][-T][M] = [T][S][M][-T2]
               // [-T2] = [M_inv][-T][M]
-              var t2n = matrixMultiply(_m.inverse(), tmn, _m);
-              // [T2] is always negative translation of [-T2]
+              var t2n = matrixMultiply(_m.inverse(), tmn, _m); // [T2] is always negative translation of [-T2]
+
               var t2 = svgroot.createSVGMatrix();
               t2.e = -t2n.e;
-              t2.f = -t2n.f;
-
-              // [T][S][-T][M] = [M][T2][S2][-T2]
+              t2.f = -t2n.f; // [T][S][-T][M] = [M][T2][S2][-T2]
               // [S2] = [T2_inv][M_inv][T][S][-T][M][-T2_inv]
-              var s2 = matrixMultiply(t2.inverse(), _m.inverse(), tm, sm, tmn, _m, t2n.inverse());
 
+              var s2 = matrixMultiply(t2.inverse(), _m.inverse(), tm, sm, tmn, _m, t2n.inverse());
               var translateOrigin = svgroot.createSVGTransform(),
                   scale = svgroot.createSVGTransform(),
                   translateBack = svgroot.createSVGTransform();
@@ -11269,11 +12107,11 @@
               childTlist.appendItem(translateBack);
               childTlist.appendItem(scale);
               childTlist.appendItem(translateOrigin);
-              // logMatrix(translateBack.matrix);
               // logMatrix(scale.matrix);
             } // not rotated
-            batchCmd.addSubCommand(recalculateDimensions(child));
-            // TODO: If any <use> have this group as a parent and are
+
+
+            batchCmd.addSubCommand(recalculateDimensions(child)); // TODO: If any <use> have this group as a parent and are
             // referencing this child, then we need to impose a reverse
             // scale on it so that when it won't get double-translated
             // const uses = selected.getElementsByTagNameNS(NS.SVG, 'use');
@@ -11288,30 +12126,37 @@
             //     batchCmd.addSubCommand( recalculateDimensions(useElem) );
             //   }
             // }
+
             context_.setStartTransform(oldStartTransform);
           } // element
+
         } // for each child
         // Remove these transforms from group
+
+
         tlist.removeItem(N - 1);
         tlist.removeItem(N - 2);
         tlist.removeItem(N - 3);
       } else if (N >= 3 && tlist.getItem(N - 1).type === 1) {
         operation = 3; // scale
+
         var _m2 = transformListToTransform(tlist).matrix;
+
         var _e2t = svgroot.createSVGTransform();
+
         _e2t.setMatrix(_m2);
+
         tlist.clear();
-        tlist.appendItem(_e2t);
-        // next, check if the first transform was a translate
+        tlist.appendItem(_e2t); // next, check if the first transform was a translate
         // if we had [ T1 ] [ M ] we want to transform this into [ M ] [ T2 ]
         // therefore [ T2 ] = [ M_inv ] [ T1 ] [ M ]
       } else if ((N === 1 || N > 1 && tlist.getItem(1).type !== 3) && tlist.getItem(0).type === 2) {
         operation = 2; // translate
+
         var T_M = transformListToTransform(tlist).matrix;
         tlist.removeItem(0);
         var mInv = transformListToTransform(tlist).matrix.inverse();
         var M2 = matrixMultiply(mInv, T_M);
-
         tx = M2.e;
         ty = M2.f;
 
@@ -11319,15 +12164,17 @@
           // we pass the translates down to the individual children
           var _children = selected.childNodes;
           var _c = _children.length;
-
           var clipPathsDone = [];
+
           while (_c--) {
             var _child = _children.item(_c);
+
             if (_child.nodeType === 1) {
               // Check if child has clip-path
               if (_child.getAttribute('clip-path')) {
                 // tx, ty
                 var attr = _child.getAttribute('clip-path');
+
                 if (!clipPathsDone.includes(attr)) {
                   updateClipPath(attr, tx, ty);
                   clipPathsDone.push(attr);
@@ -11337,25 +12184,30 @@
               oldStartTransform = context_.getStartTransform();
               context_.setStartTransform(_child.getAttribute('transform'));
 
-              var _childTlist = getTransformList(_child);
-              // some children might not have a transform (<metadata>, <defs>, etc)
+              var _childTlist = getTransformList(_child); // some children might not have a transform (<metadata>, <defs>, etc)
+
+
               if (_childTlist) {
                 var newxlate = svgroot.createSVGTransform();
                 newxlate.setTranslate(tx, ty);
+
                 if (_childTlist.numberOfItems) {
                   _childTlist.insertItemBefore(newxlate, 0);
                 } else {
                   _childTlist.appendItem(newxlate);
                 }
-                batchCmd.addSubCommand(recalculateDimensions(_child));
-                // If any <use> have this group as a parent and are
+
+                batchCmd.addSubCommand(recalculateDimensions(_child)); // If any <use> have this group as a parent and are
                 // referencing this child, then impose a reverse translate on it
                 // so that when it won't get double-translated
+
                 var uses = selected.getElementsByTagNameNS(NS.SVG, 'use');
                 var href = '#' + _child.id;
                 var u = uses.length;
+
                 while (u--) {
                   var useElem = uses.item(u);
+
                   if (href === getHref(useElem)) {
                     var usexlate = svgroot.createSVGTransform();
                     usexlate.setTranslate(-tx, -ty);
@@ -11363,24 +12215,29 @@
                     batchCmd.addSubCommand(recalculateDimensions(useElem));
                   }
                 }
+
                 context_.setStartTransform(oldStartTransform);
               }
             }
           }
+
           context_.setStartTransform(oldStartTransform);
-        }
-        // else, a matrix imposition from a parent group
+        } // else, a matrix imposition from a parent group
         // keep pushing it down to the children
+
       } else if (N === 1 && tlist.getItem(0).type === 1 && !gangle) {
         operation = 1;
         var _m3 = tlist.getItem(0).matrix,
             _children2 = selected.childNodes;
         var _c2 = _children2.length;
+
         while (_c2--) {
           var _child2 = _children2.item(_c2);
+
           if (_child2.nodeType === 1) {
             oldStartTransform = context_.getStartTransform();
             context_.setStartTransform(_child2.getAttribute('transform'));
+
             var _childTlist2 = getTransformList(_child2);
 
             if (!_childTlist2) {
@@ -11390,40 +12247,46 @@
             var em = matrixMultiply(_m3, transformListToTransform(_childTlist2).matrix);
             var e2m = svgroot.createSVGTransform();
             e2m.setMatrix(em);
+
             _childTlist2.clear();
+
             _childTlist2.appendItem(e2m, 0);
 
             batchCmd.addSubCommand(recalculateDimensions(_child2));
-            context_.setStartTransform(oldStartTransform);
-
-            // Convert stroke
+            context_.setStartTransform(oldStartTransform); // Convert stroke
             // TODO: Find out if this should actually happen somewhere else
+
             var sw = _child2.getAttribute('stroke-width');
+
             if (_child2.getAttribute('stroke') !== 'none' && !isNaN(sw)) {
               var avg = (Math.abs(em.a) + Math.abs(em.d)) / 2;
+
               _child2.setAttribute('stroke-width', sw * avg);
             }
           }
         }
-        tlist.clear();
-        // else it was just a rotate
+
+        tlist.clear(); // else it was just a rotate
       } else {
         if (gangle) {
           var newRot = svgroot.createSVGTransform();
           newRot.setRotate(gangle, newcenter.x, newcenter.y);
+
           if (tlist.numberOfItems) {
             tlist.insertItemBefore(newRot, 0);
           } else {
             tlist.appendItem(newRot);
           }
         }
+
         if (tlist.numberOfItems === 0) {
           selected.removeAttribute('transform');
         }
-        return null;
-      }
 
-      // if it was a translate, put back the rotate at the new center
+        return null;
+      } // if it was a translate, put back the rotate at the new center
+
+
       if (operation === 2) {
         if (gangle) {
           newcenter = {
@@ -11432,14 +12295,16 @@
           };
 
           var _newRot = svgroot.createSVGTransform();
+
           _newRot.setRotate(gangle, newcenter.x, newcenter.y);
+
           if (tlist.numberOfItems) {
             tlist.insertItemBefore(_newRot, 0);
           } else {
             tlist.appendItem(_newRot);
           }
-        }
-        // if it was a resize
+        } // if it was a resize
+
       } else if (operation === 3) {
         var _m4 = transformListToTransform(tlist).matrix;
         var roldt = svgroot.createSVGTransform();
@@ -11447,6 +12312,7 @@
         var rold = roldt.matrix;
         var rnew = svgroot.createSVGTransform();
         rnew.setRotate(gangle, newcenter.x, newcenter.y);
+
         var rnewInv = rnew.matrix.inverse(),
             _mInv = _m4.inverse(),
             extrat = matrixMultiply(_mInv, rnewInv, rold, _m4);
@@ -11459,14 +12325,20 @@
           // we pass the translates down to the individual children
           var _children3 = selected.childNodes;
           var _c3 = _children3.length;
+
           while (_c3--) {
             var _child3 = _children3.item(_c3);
+
             if (_child3.nodeType === 1) {
               oldStartTransform = context_.getStartTransform();
               context_.setStartTransform(_child3.getAttribute('transform'));
+
               var _childTlist3 = getTransformList(_child3);
+
               var _newxlate = svgroot.createSVGTransform();
+
               _newxlate.setTranslate(tx, ty);
+
               if (_childTlist3.numberOfItems) {
                 _childTlist3.insertItemBefore(_newxlate, 0);
               } else {
@@ -11486,33 +12358,39 @@
             tlist.appendItem(rnew);
           }
         }
-      }
-      // else, it's a non-group
+      } // else, it's a non-group
+
     } else {
       // FIXME: box might be null for some elements (<metadata> etc), need to handle this
-      var _box = getBBox(selected);
-
-      // Paths (and possbly other shapes) will have no BBox while still in <defs>,
+      var _box = getBBox(selected); // Paths (and possbly other shapes) will have no BBox while still in <defs>,
       // but we still may need to recalculate them (see issue 595).
       // TODO: Figure out how to get BBox from these elements in case they
       // have a rotation transform
 
+
       if (!_box && selected.tagName !== 'path') return null;
 
-      var _m5 = void 0; // = svgroot.createSVGMatrix();
+      var _m5; // = svgroot.createSVGMatrix();
       // temporarily strip off the rotate and save the old center
+
+
       var _angle = getRotationAngle(selected);
+
       if (_angle) {
-        oldcenter = { x: _box.x + _box.width / 2, y: _box.y + _box.height / 2 };
+        oldcenter = {
+          x: _box.x + _box.width / 2,
+          y: _box.y + _box.height / 2
+        };
         newcenter = transformPoint(_box.x + _box.width / 2, _box.y + _box.height / 2, transformListToTransform(tlist).matrix);
 
         var _a = _angle * Math.PI / 180;
-        var _s = Math.abs(_a) > 1.0e-10 ? Math.sin(_a) / (1 - Math.cos(_a))
-        // FIXME: This blows up if the angle is exactly 0!
+
+        var _s = Math.abs(_a) > 1.0e-10 ? Math.sin(_a) / (1 - Math.cos(_a)) // FIXME: This blows up if the angle is exactly 0!
         : 2 / _a;
 
         for (var _i2 = 0; _i2 < tlist.numberOfItems; ++_i2) {
           var _xform3 = tlist.getItem(_i2);
+
           if (_xform3.type === 4) {
             // extract old center through mystical arts
             var _rm = _xform3.matrix;
@@ -11522,22 +12400,23 @@
             break;
           }
         }
-      }
+      } // 2 = translate, 3 = scale, 4 = rotate, 1 = matrix imposition
+
 
-      // 2 = translate, 3 = scale, 4 = rotate, 1 = matrix imposition
       var _operation = 0;
-      var _N = tlist.numberOfItems;
-
-      // Check if it has a gradient with userSpaceOnUse, in which case
+      var _N = tlist.numberOfItems; // Check if it has a gradient with userSpaceOnUse, in which case
       // adjust it by recalculating the matrix transform.
       // TODO: Make this work in Webkit using transformlist.SVGTransformList
+
       if (!isWebkit()) {
         var fill = selected.getAttribute('fill');
+
         if (fill && fill.startsWith('url(')) {
           var paint = getRefElem(fill);
           var type = 'pattern';
           if (paint.tagName !== type) type = 'gradient';
           var attrVal = paint.getAttribute(type + 'Units');
+
           if (attrVal === 'userSpaceOnUse') {
             // Update the userSpaceOnUse element
             _m5 = transformListToTransform(tlist).matrix;
@@ -11548,79 +12427,94 @@
             paint.setAttribute(type + 'Transform', mStr);
           }
         }
-      }
-
-      // first, if it was a scale of a non-skewed element, then the second-last
+      } // first, if it was a scale of a non-skewed element, then the second-last
       // transform will be the [S]
       // if we had [M][T][S][T] we want to extract the matrix equivalent of
       // [T][S][T] and push it down to the element
+
+
       if (_N >= 3 && tlist.getItem(_N - 2).type === 3 && tlist.getItem(_N - 3).type === 2 && tlist.getItem(_N - 1).type === 2) {
         // Removed this so a <use> with a given [T][S][T] would convert to a matrix.
         // Is that bad?
         //  && selected.nodeName != 'use'
         _operation = 3; // scale
+
         _m5 = transformListToTransform(tlist, _N - 3, _N - 1).matrix;
         tlist.removeItem(_N - 1);
         tlist.removeItem(_N - 2);
-        tlist.removeItem(_N - 3);
-        // if we had [T][S][-T][M], then this was a skewed element being resized
+        tlist.removeItem(_N - 3); // if we had [T][S][-T][M], then this was a skewed element being resized
         // Thus, we simply combine it all into one matrix
       } else if (_N === 4 && tlist.getItem(_N - 1).type === 1) {
         _operation = 3; // scale
+
         _m5 = transformListToTransform(tlist).matrix;
+
         var _e2t2 = svgroot.createSVGTransform();
+
         _e2t2.setMatrix(_m5);
+
         tlist.clear();
-        tlist.appendItem(_e2t2);
-        // reset the matrix so that the element is not re-mapped
-        _m5 = svgroot.createSVGMatrix();
-        // if we had [R][T][S][-T][M], then this was a rotated matrix-element
+        tlist.appendItem(_e2t2); // reset the matrix so that the element is not re-mapped
+
+        _m5 = svgroot.createSVGMatrix(); // if we had [R][T][S][-T][M], then this was a rotated matrix-element
         // if we had [T1][M] we want to transform this into [M][T2]
         // therefore [ T2 ] = [ M_inv ] [ T1 ] [ M ] and we can push [T2]
         // down to the element
       } else if ((_N === 1 || _N > 1 && tlist.getItem(1).type !== 3) && tlist.getItem(0).type === 2) {
         _operation = 2; // translate
+
         var oldxlate = tlist.getItem(0).matrix,
             meq = transformListToTransform(tlist, 1).matrix,
             meqInv = meq.inverse();
         _m5 = matrixMultiply(meqInv, oldxlate, meq);
-        tlist.removeItem(0);
-        // else if this child now has a matrix imposition (from a parent group)
+        tlist.removeItem(0); // else if this child now has a matrix imposition (from a parent group)
         // we might be able to simplify
       } else if (_N === 1 && tlist.getItem(0).type === 1 && !_angle) {
         // Remap all point-based elements
         _m5 = transformListToTransform(tlist).matrix;
+
         switch (selected.tagName) {
           case 'line':
             changes = $$7(selected).attr(['x1', 'y1', 'x2', 'y2']);
           // Fallthrough
+
           case 'polyline':
           case 'polygon':
             changes.points = selected.getAttribute('points');
+
             if (changes.points) {
               var _list = selected.points;
               var _len = _list.numberOfItems;
               changes.points = new Array(_len);
+
               for (var _i3 = 0; _i3 < _len; ++_i3) {
                 var _pt = _list.getItem(_i3);
-                changes.points[_i3] = { x: _pt.x, y: _pt.y };
+
+                changes.points[_i3] = {
+                  x: _pt.x,
+                  y: _pt.y
+                };
               }
             }
+
           // Fallthrough
+
           case 'path':
             changes.d = selected.getAttribute('d');
             _operation = 1;
             tlist.clear();
             break;
+
           default:
             break;
-        }
-        // if it was a rotation, put the rotate back and return without a command
+        } // if it was a rotation, put the rotate back and return without a command
         // (this function has zero work to do for a rotate())
+
       } else {
         // operation = 4; // rotation
         if (_angle) {
           var _newRot2 = svgroot.createSVGTransform();
+
           _newRot2.setRotate(_angle, newcenter.x, newcenter.y);
 
           if (tlist.numberOfItems) {
@@ -11629,18 +12523,21 @@
             tlist.appendItem(_newRot2);
           }
         }
+
         if (tlist.numberOfItems === 0) {
           selected.removeAttribute('transform');
         }
-        return null;
-      }
 
-      // if it was a translate or resize, we need to remap the element and absorb the xform
+        return null;
+      } // if it was a translate or resize, we need to remap the element and absorb the xform
+
+
       if (_operation === 1 || _operation === 2 || _operation === 3) {
         remapElement(selected, changes, _m5);
       } // if we are remapping
-
       // if it was a translate, put back the rotate at the new center
+
+
       if (_operation === 2) {
         if (_angle) {
           if (!hasMatrixTransform(tlist)) {
@@ -11649,22 +12546,28 @@
               y: oldcenter.y + _m5.f
             };
           }
+
           var _newRot3 = svgroot.createSVGTransform();
+
           _newRot3.setRotate(_angle, newcenter.x, newcenter.y);
+
           if (tlist.numberOfItems) {
             tlist.insertItemBefore(_newRot3, 0);
           } else {
             tlist.appendItem(_newRot3);
           }
-        }
-        // We have special processing for tspans:  Tspans are not transformable
+        } // We have special processing for tspans:  Tspans are not transformable
         // but they can have x,y coordinates (sigh).  Thus, if this was a translate,
         // on a text element, also translate any tspan children.
+
+
         if (selected.tagName === 'text') {
           var _children4 = selected.childNodes;
           var _c4 = _children4.length;
+
           while (_c4--) {
             var _child4 = _children4.item(_c4);
+
             if (_child4.tagName === 'tspan') {
               var tspanChanges = {
                 x: $$7(_child4).attr('x') || 0,
@@ -11673,23 +12576,32 @@
               remapElement(_child4, tspanChanges, _m5);
             }
           }
-        }
-        // [Rold][M][T][S][-T] became [Rold][M]
+        } // [Rold][M][T][S][-T] became [Rold][M]
         // we want it to be [Rnew][M][Tr] where Tr is the
         // translation required to re-center it
         // Therefore, [Tr] = [M_inv][Rnew_inv][Rold][M]
+
       } else if (_operation === 3 && _angle) {
         var _m6 = transformListToTransform(tlist).matrix;
+
         var _roldt = svgroot.createSVGTransform();
+
         _roldt.setRotate(_angle, oldcenter.x, oldcenter.y);
+
         var _rold = _roldt.matrix;
+
         var _rnew = svgroot.createSVGTransform();
+
         _rnew.setRotate(_angle, newcenter.x, newcenter.y);
+
         var _rnewInv = _rnew.matrix.inverse();
+
         var _mInv2 = _m6.inverse();
+
         var _extrat = matrixMultiply(_mInv2, _rnewInv, _rold, _m6);
 
         remapElement(selected, changes, _extrat);
+
         if (_angle) {
           if (tlist.numberOfItems) {
             tlist.insertItemBefore(_rnew, 0);
@@ -11699,54 +12611,52 @@
         }
       }
     } // a non-group
-
     // if the transform list has been emptied, remove it
+
+
     if (tlist.numberOfItems === 0) {
       selected.removeAttribute('transform');
     }
 
     batchCmd.addSubCommand(new ChangeElementCommand(selected, initial));
-
     return batchCmd;
   };
 
-  /* globals jQuery */
-
   var $$8 = jQuery;
+  var svgFactory_;
+  var config_;
+  var selectorManager_; // A Singleton
 
-  var svgFactory_ = void 0;
-  var config_ = void 0;
-  var selectorManager_ = void 0; // A Singleton
   var gripRadius = isTouch() ? 10 : 4;
-
   /**
   * Private class for DOM element selection boxes
   */
-  var Selector = function () {
+
+  var Selector =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {Integer} id - Internally identify the selector
     * @param {Element} elem - DOM element associated with this selector
     * @param {module:utilities.BBoxObject} [bbox] - Optional bbox to use for initialization (prevents duplicate `getBBox` call).
     */
     function Selector(id, elem, bbox) {
-      classCallCheck(this, Selector);
+      _classCallCheck(this, Selector);
 
       // this is the selector's unique number
-      this.id = id;
+      this.id = id; // this holds a reference to the element for which this selector is being used
 
-      // this holds a reference to the element for which this selector is being used
-      this.selectedElement = elem;
+      this.selectedElement = elem; // this is a flag used internally to track whether the selector is being used or not
 
-      // this is a flag used internally to track whether the selector is being used or not
-      this.locked = true;
+      this.locked = true; // this holds a reference to the <g> element that holds all visual elements of the selector
 
-      // this holds a reference to the <g> element that holds all visual elements of the selector
       this.selectorGroup = svgFactory_.createSVGElement({
         element: 'g',
-        attr: { id: 'selectorGroup' + this.id }
-      });
+        attr: {
+          id: 'selectorGroup' + this.id
+        }
+      }); // this holds a reference to the path rect
 
-      // this holds a reference to the path rect
       this.selectorRect = this.selectorGroup.appendChild(svgFactory_.createSVGElement({
         element: 'path',
         attr: {
@@ -11758,9 +12668,8 @@
           // need to specify this so that the rect is not selectable
           style: 'pointer-events:none'
         }
-      }));
+      })); // this holds a reference to the grip coordinates for this selector
 
-      // this holds a reference to the grip coordinates for this selector
       this.gripCoords = {
         nw: null,
         n: null,
@@ -11771,10 +12680,8 @@
         sw: null,
         w: null
       };
-
       this.reset(this.selectedElement, bbox);
     }
-
     /**
     * Used to reset the id and element that the selector is attached to
     * @param {Element} e - DOM element associated with this selector
@@ -11782,43 +12689,46 @@
     */
 
 
-    createClass(Selector, [{
-      key: 'reset',
+    _createClass(Selector, [{
+      key: "reset",
       value: function reset(e, bbox) {
         this.locked = true;
         this.selectedElement = e;
         this.resize(bbox);
         this.selectorGroup.setAttribute('display', 'inline');
       }
-
       /**
       * Updates cursors for corner grips on rotation so arrows point the right way
       * @param {Float} angle - Current rotation angle in degrees
       */
 
     }, {
-      key: 'updateGripCursors',
+      key: "updateGripCursors",
       value: function updateGripCursors(angle) {
-        var dir = void 0;
+        var dir;
         var dirArr = [];
         var steps = Math.round(angle / 45);
+
         if (steps < 0) {
           steps += 8;
         }
+
         for (dir in selectorManager_.selectorGrips) {
           dirArr.push(dir);
         }
+
         while (steps > 0) {
           dirArr.push(dirArr.shift());
           steps--;
         }
+
         var i = 0;
+
         for (dir in selectorManager_.selectorGrips) {
           selectorManager_.selectorGrips[dir].setAttribute('style', 'cursor:' + dirArr[i] + '-resize');
           i++;
         }
       }
-
       /**
       * Show the resize grips of this selector
       *
@@ -11826,25 +12736,25 @@
       */
 
     }, {
-      key: 'showGrips',
+      key: "showGrips",
       value: function showGrips(show) {
         var bShow = show ? 'inline' : 'none';
         selectorManager_.selectorGripsGroup.setAttribute('display', bShow);
         var elem = this.selectedElement;
         this.hasGrips = show;
+
         if (elem && show) {
           this.selectorGroup.append(selectorManager_.selectorGripsGroup);
           this.updateGripCursors(getRotationAngle(elem));
         }
       }
-
       /**
       * Updates the selector to match the element's size
       * @param {module:utilities.BBoxObject} [bbox] - BBox to use for resize (prevents duplicate getBBox call).
       */
 
     }, {
-      key: 'resize',
+      key: "resize",
       value: function resize(bbox) {
         var selectedBox = this.selectorRect,
             mgr = selectorManager_,
@@ -11853,6 +12763,7 @@
             sw = selected.getAttribute('stroke-width'),
             currentZoom = svgFactory_.getCurrentZoom();
         var offset = 1 / currentZoom;
+
         if (selected.getAttribute('stroke') !== 'none' && !isNaN(sw)) {
           offset += sw / 2;
         }
@@ -11861,57 +12772,53 @@
 
         if (tagName === 'text') {
           offset += 2 / currentZoom;
-        }
+        } // loop and transform our bounding box until we reach our first rotation
+
 
-        // loop and transform our bounding box until we reach our first rotation
         var tlist = getTransformList(selected);
-        var m = transformListToTransform(tlist).matrix;
-
-        // This should probably be handled somewhere else, but for now
+        var m = transformListToTransform(tlist).matrix; // This should probably be handled somewhere else, but for now
         // it keeps the selection box correctly positioned when zoomed
+
         m.e *= currentZoom;
         m.f *= currentZoom;
 
         if (!bbox) {
           bbox = getBBox(selected);
-        }
-        // TODO: getBBox (previous line) already knows to call getStrokedBBox when tagName === 'g'. Remove this?
+        } // TODO: getBBox (previous line) already knows to call getStrokedBBox when tagName === 'g'. Remove this?
         // TODO: getBBox doesn't exclude 'gsvg' and calls getStrokedBBox for any 'g'. Should getBBox be updated?
+
+
         if (tagName === 'g' && !$$8.data(selected, 'gsvg')) {
           // The bbox for a group does not include stroke vals, so we
           // get the bbox based on its children.
           var strokedBbox = getStrokedBBox([selected.childNodes]);
+
           if (strokedBbox) {
             bbox = strokedBbox;
           }
-        }
+        } // apply the transforms
+
 
-        // apply the transforms
         var l = bbox.x,
             t = bbox.y,
             w = bbox.width,
-            h = bbox.height;
-        // bbox = {x: l, y: t, width: w, height: h}; // Not in use
-
+            h = bbox.height; // bbox = {x: l, y: t, width: w, height: h}; // Not in use
         // we need to handle temporary transforms too
         // if skewed, get its transformed box, then find its axis-aligned bbox
-
         // *
-        offset *= currentZoom;
 
+        offset *= currentZoom;
         var nbox = transformBox(l * currentZoom, t * currentZoom, w * currentZoom, h * currentZoom, m),
             aabox = nbox.aabox;
-
         var nbax = aabox.x - offset,
             nbay = aabox.y - offset,
             nbaw = aabox.width + offset * 2,
-            nbah = aabox.height + offset * 2;
+            nbah = aabox.height + offset * 2; // now if the shape is rotated, un-rotate it
 
-        // now if the shape is rotated, un-rotate it
         var cx = nbax + nbaw / 2,
             cy = nbay + nbah / 2;
-
         var angle = getRotationAngle(selected);
+
         if (angle) {
           var rot = svgFactory_.svgRoot().createSVGTransform();
           rot.setRotate(-angle, cx, cy);
@@ -11919,25 +12826,19 @@
           nbox.tl = transformPoint(nbox.tl.x, nbox.tl.y, rotm);
           nbox.tr = transformPoint(nbox.tr.x, nbox.tr.y, rotm);
           nbox.bl = transformPoint(nbox.bl.x, nbox.bl.y, rotm);
-          nbox.br = transformPoint(nbox.br.x, nbox.br.y, rotm);
+          nbox.br = transformPoint(nbox.br.x, nbox.br.y, rotm); // calculate the axis-aligned bbox
 
-          // calculate the axis-aligned bbox
           var tl = nbox.tl;
-
           var minx = tl.x,
               miny = tl.y,
               maxx = tl.x,
               maxy = tl.y;
-
           var min = Math.min,
               max = Math.max;
-
-
           minx = min(minx, min(nbox.tr.x, min(nbox.bl.x, nbox.br.x))) - offset;
           miny = min(miny, min(nbox.tr.y, min(nbox.bl.y, nbox.br.y))) - offset;
           maxx = max(maxx, max(nbox.tr.x, max(nbox.bl.x, nbox.br.x))) + offset;
           maxy = max(maxy, max(nbox.tr.y, max(nbox.bl.y, nbox.br.y))) + offset;
-
           nbax = minx;
           nbay = miny;
           nbaw = maxx - minx;
@@ -11946,12 +12847,10 @@
 
         var dstr = 'M' + nbax + ',' + nbay + ' L' + (nbax + nbaw) + ',' + nbay + ' ' + (nbax + nbaw) + ',' + (nbay + nbah) + ' ' + nbax + ',' + (nbay + nbah) + 'z';
         selectedBox.setAttribute('d', dstr);
-
         var xform = angle ? 'rotate(' + [angle, cx, cy].join(',') + ')' : '';
-        this.selectorGroup.setAttribute('transform', xform);
-
-        // TODO(codedread): Is this needed?
+        this.selectorGroup.setAttribute('transform', xform); // TODO(codedread): Is this needed?
         //  if (selected === selectedElements[0]) {
+
         this.gripCoords = {
           nw: [nbax, nbay],
           ne: [nbax + nbaw, nbay],
@@ -11962,46 +12861,44 @@
           e: [nbax + nbaw, nbay + nbah / 2],
           s: [nbax + nbaw / 2, nbay + nbah]
         };
+
         for (var dir in this.gripCoords) {
           var coords = this.gripCoords[dir];
           selectedGrips[dir].setAttribute('cx', coords[0]);
           selectedGrips[dir].setAttribute('cy', coords[1]);
-        }
+        } // we want to go 20 pixels in the negative transformed y direction, ignoring scale
+
 
-        // we want to go 20 pixels in the negative transformed y direction, ignoring scale
         mgr.rotateGripConnector.setAttribute('x1', nbax + nbaw / 2);
         mgr.rotateGripConnector.setAttribute('y1', nbay);
         mgr.rotateGripConnector.setAttribute('x2', nbax + nbaw / 2);
         mgr.rotateGripConnector.setAttribute('y2', nbay - gripRadius * 5);
-
         mgr.rotateGrip.setAttribute('cx', nbax + nbaw / 2);
-        mgr.rotateGrip.setAttribute('cy', nbay - gripRadius * 5);
-        // }
+        mgr.rotateGrip.setAttribute('cy', nbay - gripRadius * 5); // }
       }
     }]);
+
     return Selector;
   }();
-
   /**
   * Manage all selector objects (selection boxes)
   */
-  var SelectorManager = function () {
+
+  var SelectorManager =
+  /*#__PURE__*/
+  function () {
     function SelectorManager() {
-      classCallCheck(this, SelectorManager);
+      _classCallCheck(this, SelectorManager);
 
       // this will hold the <g> element that contains all selector rects/grips
-      this.selectorParentGroup = null;
+      this.selectorParentGroup = null; // this is a special rect that is used for multi-select
 
-      // this is a special rect that is used for multi-select
-      this.rubberBandBox = null;
+      this.rubberBandBox = null; // this will hold objects of type Selector (see above)
 
-      // this will hold objects of type Selector (see above)
-      this.selectors = [];
+      this.selectors = []; // this holds a map of SVG elements to their Selector object
 
-      // this holds a map of SVG elements to their Selector object
-      this.selectorMap = {};
+      this.selectorMap = {}; // this holds a reference to the grip elements
 
-      // this holds a reference to the grip elements
       this.selectorGrips = {
         nw: null,
         n: null,
@@ -12012,44 +12909,43 @@
         sw: null,
         w: null
       };
-
       this.selectorGripsGroup = null;
       this.rotateGripConnector = null;
       this.rotateGrip = null;
-
       this.initGroup();
     }
-
     /**
     * Resets the parent selector group element
     */
 
 
-    createClass(SelectorManager, [{
-      key: 'initGroup',
+    _createClass(SelectorManager, [{
+      key: "initGroup",
       value: function initGroup() {
         // remove old selector parent group if it existed
         if (this.selectorParentGroup && this.selectorParentGroup.parentNode) {
           this.selectorParentGroup.remove();
-        }
+        } // create parent selector group and add it to svgroot
+
 
-        // create parent selector group and add it to svgroot
         this.selectorParentGroup = svgFactory_.createSVGElement({
           element: 'g',
-          attr: { id: 'selectorParentGroup' }
+          attr: {
+            id: 'selectorParentGroup'
+          }
         });
         this.selectorGripsGroup = svgFactory_.createSVGElement({
           element: 'g',
-          attr: { display: 'none' }
+          attr: {
+            display: 'none'
+          }
         });
         this.selectorParentGroup.append(this.selectorGripsGroup);
         svgFactory_.svgRoot().append(this.selectorParentGroup);
-
         this.selectorMap = {};
         this.selectors = [];
-        this.rubberBandBox = null;
+        this.rubberBandBox = null; // add the corner grips
 
-        // add the corner grips
         for (var dir in this.selectorGrips) {
           var grip = svgFactory_.createSVGElement({
             element: 'circle',
@@ -12066,13 +12962,12 @@
               'pointer-events': 'all'
             }
           });
-
           $$8.data(grip, 'dir', dir);
           $$8.data(grip, 'type', 'resize');
           this.selectorGrips[dir] = this.selectorGripsGroup.appendChild(grip);
-        }
+        } // add rotator elems
+
 
-        // add rotator elems
         this.rotateGripConnector = this.selectorGripsGroup.appendChild(svgFactory_.createSVGElement({
           element: 'line',
           attr: {
@@ -12081,7 +12976,6 @@
             'stroke-width': '1'
           }
         }));
-
         this.rotateGrip = this.selectorGripsGroup.appendChild(svgFactory_.createSVGElement({
           element: 'circle',
           attr: {
@@ -12099,7 +12993,7 @@
           return;
         }
 
-        var _config_$dimensions = slicedToArray(config_.dimensions, 2),
+        var _config_$dimensions = _slicedToArray(config_.dimensions, 2),
             width = _config_$dimensions[0],
             height = _config_$dimensions[1];
 
@@ -12111,11 +13005,11 @@
             height: height,
             x: 0,
             y: 0,
-            overflow: isWebkit() ? 'none' : 'visible', // Chrome 7 has a problem with this when zooming out
+            overflow: isWebkit() ? 'none' : 'visible',
+            // Chrome 7 has a problem with this when zooming out
             style: 'pointer-events:none'
           }
         });
-
         var rect = svgFactory_.createSVGElement({
           element: 'rect',
           attr: {
@@ -12128,16 +13022,13 @@
             fill: '#FFF',
             style: 'pointer-events:none'
           }
-        });
-
-        // Both Firefox and WebKit are too slow with this filter region (especially at higher
+        }); // Both Firefox and WebKit are too slow with this filter region (especially at higher
         // zoom levels) and Opera has at least one bug
         // if (!isOpera()) rect.setAttribute('filter', 'url(#canvashadow)');
-        canvasbg.append(rect);
-        svgFactory_.svgRoot().insertBefore(canvasbg, svgFactory_.svgContent());
-        // Ok to replace above with `svgFactory_.svgContent().before(canvasbg);`?
-      }
 
+        canvasbg.append(rect);
+        svgFactory_.svgRoot().insertBefore(canvasbg, svgFactory_.svgContent()); // Ok to replace above with `svgFactory_.svgContent().before(canvasbg);`?
+      }
       /**
       *
       * @param {Element} elem - DOM element to get the selector for
@@ -12146,18 +13037,19 @@
       */
 
     }, {
-      key: 'requestSelector',
+      key: "requestSelector",
       value: function requestSelector(elem, bbox) {
         if (elem == null) {
           return null;
         }
 
-        var N = this.selectors.length;
-        // If we've already acquired one for this element, return it.
+        var N = this.selectors.length; // If we've already acquired one for this element, return it.
+
         if (_typeof(this.selectorMap[elem.id]) === 'object') {
           this.selectorMap[elem.id].locked = true;
           return this.selectorMap[elem.id];
         }
+
         for (var i = 0; i < N; ++i) {
           if (this.selectors[i] && !this.selectors[i].locked) {
             this.selectors[i].locked = true;
@@ -12165,14 +13057,14 @@
             this.selectorMap[elem.id] = this.selectors[i];
             return this.selectors[i];
           }
-        }
-        // if we reached here, no available selectors were found, we create one
+        } // if we reached here, no available selectors were found, we create one
+
+
         this.selectors[N] = new Selector(N, elem, bbox);
         this.selectorParentGroup.append(this.selectors[N].selectorGroup);
         this.selectorMap[elem.id] = this.selectors[N];
         return this.selectors[N];
       }
-
       /**
       * Removes the selector of the given element (hides selection box)
       *
@@ -12180,25 +13072,27 @@
       */
 
     }, {
-      key: 'releaseSelector',
+      key: "releaseSelector",
       value: function releaseSelector(elem) {
         if (elem == null) {
           return;
         }
+
         var N = this.selectors.length,
             sel = this.selectorMap[elem.id];
+
         if (!sel.locked) {
           // TODO(codedread): Ensure this exists in this module.
           console.log('WARNING! selector was released but was already unlocked');
         }
+
         for (var i = 0; i < N; ++i) {
           if (this.selectors[i] && this.selectors[i] === sel) {
             delete this.selectorMap[elem.id];
             sel.locked = false;
             sel.selectedElement = null;
-            sel.showGrips(false);
+            sel.showGrips(false); // remove from DOM and store reference in JS but only if it exists in the DOM
 
-            // remove from DOM and store reference in JS but only if it exists in the DOM
             try {
               sel.selectorGroup.setAttribute('display', 'none');
             } catch (e) {}
@@ -12207,14 +13101,13 @@
           }
         }
       }
-
       /**
       * @returns {SVGRectElement} The rubberBandBox DOM element. This is the rectangle drawn by
       * the user for selecting/zooming
       */
 
     }, {
-      key: 'getRubberBandBox',
+      key: "getRubberBandBox",
       value: function getRubberBandBox() {
         if (!this.rubberBandBox) {
           this.rubberBandBox = this.selectorParentGroup.appendChild(svgFactory_.createSVGElement({
@@ -12230,30 +13123,35 @@
             }
           }));
         }
+
         return this.rubberBandBox;
       }
     }]);
+
     return SelectorManager;
   }();
-
   /**
    * An object that creates SVG elements for the canvas.
    *
    * @interface module:select.SVGFactory
    */
+
   /**
    * @function module:select.SVGFactory#createSVGElement
    * @param {module:utilities.EditorContext#addSVGElementFromJson} jsonMap
    * @returns {SVGElement}
    */
+
   /**
    * @function module:select.SVGFactory#svgRoot
    * @returns {SVGSVGElement}
    */
+
   /**
    * @function module:select.SVGFactory#svgContent
    * @returns {SVGSVGElement}
    */
+
   /**
    * @function module:select.SVGFactory#getCurrentZoom
    * @returns {Float}
@@ -12265,6 +13163,7 @@
    * @property {Float} 0 Width
    * @property {Float} 1 Height
    */
+
   /**
    * @typedef {PlainObject} module:select.Config
    * @property {string} imgPath
@@ -12278,22 +13177,21 @@
    * @param {module:select.SVGFactory} svgFactory - An object implementing the SVGFactory interface.
    * @returns {undefined}
    */
+
   var init$6 = function init(config, svgFactory) {
     config_ = config;
     svgFactory_ = svgFactory;
     selectorManager_ = new SelectorManager();
   };
-
   /**
    * @function module:select.getSelectorManager
    * @returns {module:select.SelectorManager} The SelectorManager instance.
    */
+
   var getSelectorManager = function getSelectorManager() {
     return selectorManager_;
   };
 
-  /* eslint-disable indent */
-
   var $$9 = jqPluginSVG(jQuery);
   var MoveElementCommand$1 = MoveElementCommand,
       InsertElementCommand$1 = InsertElementCommand,
@@ -12303,10 +13201,11 @@
       UndoManager$1 = UndoManager,
       HistoryEventTypes$1 = HistoryEventTypes;
 
-
   if (!window.console) {
     window.console = {};
+
     window.console.log = function (str) {};
+
     window.console.dir = function (str) {};
   }
 
@@ -12314,9 +13213,9 @@
     window.console.log = function (str) {
       window.opera.postError(str);
     };
+
     window.console.dir = function (str) {};
   }
-
   /**
   * The main SvgCanvas class that manages all SVG-related functions
   * @memberof module:svgcanvas
@@ -12346,62 +13245,57 @@
   * @borrows module:path.pathActions.linkControlPoints as #linkControlPoints
   */
 
+
   var SvgCanvas =
   /**
   * @param {HTMLElement} container - The container HTML element that should hold the SVG root element
   * @param {module:SVGEditor.curConfig} config - An object that contains configuration data
   */
   function SvgCanvas(container, config) {
-    classCallCheck(this, SvgCanvas);
+    _classCallCheck(this, SvgCanvas);
 
     // Alias Namespace constants
-
     // Default configuration options
     var curConfig = {
       show_outside_canvas: true,
       selectNew: true,
       dimensions: [640, 480]
-    };
+    }; // Update config with new one if given
 
-    // Update config with new one if given
     if (config) {
       $$9.extend(curConfig, config);
-    }
+    } // Array with width/height of canvas
+
 
-    // Array with width/height of canvas
     var dimensions = curConfig.dimensions;
-
-
-    var canvas = this;
-
-    // "document" element associated with the container (same as window.document using default svg-editor.js)
+    var canvas = this; // "document" element associated with the container (same as window.document using default svg-editor.js)
     // NOTE: This is not actually a SVG document, but an HTML document.
-    var svgdoc = container.ownerDocument;
 
-    // This is a container for the document being edited, not the document itself.
+    var svgdoc = container.ownerDocument; // This is a container for the document being edited, not the document itself.
+
     /**
      * @name module:svgcanvas~svgroot
      * @type {SVGSVGElement}
      */
+
     var svgroot = svgdoc.importNode(text2xml('<svg id="svgroot" xmlns="' + NS.SVG + '" xlinkns="' + NS.XLINK + '" ' + 'width="' + dimensions[0] + '" height="' + dimensions[1] + '" x="' + dimensions[0] + '" y="' + dimensions[1] + '" overflow="visible">' + '<defs>' + '<filter id="canvashadow" filterUnits="objectBoundingBox">' + '<feGaussianBlur in="SourceAlpha" stdDeviation="4" result="blur"/>' + '<feOffset in="blur" dx="5" dy="5" result="offsetBlur"/>' + '<feMerge>' + '<feMergeNode in="offsetBlur"/>' + '<feMergeNode in="SourceGraphic"/>' + '</feMerge>' + '</filter>' + '</defs>' + '</svg>').documentElement, true);
     container.append(svgroot);
-
     /**
      * The actual element that represents the final output SVG element
      * @name module:svgcanvas~svgcontent
      * @type {SVGSVGElement}
      */
-    var svgcontent = svgdoc.createElementNS(NS.SVG, 'svg');
 
+    var svgcontent = svgdoc.createElementNS(NS.SVG, 'svg');
     /**
     * This function resets the svgcontent element while keeping it in the DOM.
     * @function module:svgcanvas.SvgCanvas#clearSvgContentElement
     * @returns {undefined}
     */
-    var clearSvgContentElement = canvas.clearSvgContentElement = function () {
-      $$9(svgcontent).empty();
 
-      // TODO: Clear out all other attributes first?
+    var clearSvgContentElement = canvas.clearSvgContentElement = function () {
+      $$9(svgcontent).empty(); // TODO: Clear out all other attributes first?
+
       $$9(svgcontent).attr({
         id: 'svgcontent',
         width: dimensions[0],
@@ -12412,53 +13306,52 @@
         xmlns: NS.SVG,
         'xmlns:se': NS.SE,
         'xmlns:xlink': NS.XLINK
-      }).appendTo(svgroot);
+      }).appendTo(svgroot); // TODO: make this string optional and set by the client
 
-      // TODO: make this string optional and set by the client
       var comment = svgdoc.createComment(' Created with SVG-edit - https://github.com/SVG-Edit/svgedit');
       svgcontent.append(comment);
     };
-    clearSvgContentElement();
 
-    // Prefix string for element IDs
+    clearSvgContentElement(); // Prefix string for element IDs
+
     var idprefix = 'svg_';
-
     /**
     * Changes the ID prefix to the given value
     * @function module:svgcanvas.SvgCanvas#setIdPrefix
     * @param {string} p - String with the new prefix
     * @returns {undefined}
     */
+
     canvas.setIdPrefix = function (p) {
       idprefix = p;
     };
-
     /**
     * Current draw.Drawing object
     * @type {module:draw.Drawing}
     * @name module:svgcanvas.SvgCanvas#current_drawing_
     */
-    canvas.current_drawing_ = new Drawing(svgcontent, idprefix);
 
+
+    canvas.current_drawing_ = new Drawing(svgcontent, idprefix);
     /**
     * Returns the current Drawing.
     * @function module:svgcanvas.SvgCanvas#getCurrentDrawing
     * @implements {module:draw.DrawCanvasInit#getCurrentDrawing}
     */
+
     var getCurrentDrawing = canvas.getCurrentDrawing = function () {
       return canvas.current_drawing_;
     };
-
     /**
     * Float displaying the current zoom level (1 = 100%, .5 = 50%, etc)
     * @type {Float}
     */
-    var currentZoom = 1;
 
-    // pointer to current group (for in-group editing)
-    var currentGroup = null;
 
-    // Object containing data for the currently selected styles
+    var currentZoom = 1; // pointer to current group (for in-group editing)
+
+    var currentGroup = null; // Object containing data for the currently selected styles
+
     var allProperties = {
       shape: {
         fill: (curConfig.initFill.color === 'none' ? '' : '#') + curConfig.initFill.color,
@@ -12474,22 +13367,18 @@
         opacity: curConfig.initOpacity
       }
     };
-
     allProperties.text = $$9.extend(true, {}, allProperties.shape);
     $$9.extend(allProperties.text, {
       fill: '#000000',
       stroke_width: curConfig.text && curConfig.text.stroke_width,
       font_size: curConfig.text && curConfig.text.font_size,
       font_family: curConfig.text && curConfig.text.font_family
-    });
+    }); // Current shape style properties
 
-    // Current shape style properties
-    var curShape = allProperties.shape;
-
-    // Array with all the currently selected elements
+    var curShape = allProperties.shape; // Array with all the currently selected elements
     // default size of 1 until it needs to grow bigger
-    var selectedElements = [];
 
+    var selectedElements = [];
     /**
     * @typedef {PlainObject} module:svgcanvas.SVGAsJSON
     * @property {string} element
@@ -12502,52 +13391,55 @@
     * @param {Text|Element} data
     * @returns {module:svgcanvas.SVGAsJSON}
     */
+
     var getJsonFromSvgElement = this.getJsonFromSvgElement = function (data) {
       // Text node
       if (data.nodeType === 3) return data.nodeValue;
-
       var retval = {
         element: data.tagName,
         // namespace: nsMap[data.namespaceURI],
         attr: {},
         children: []
-      };
+      }; // Iterate attributes
 
-      // Iterate attributes
       for (var i = 0, attr; attr = data.attributes[i]; i++) {
         retval.attr[attr.name] = attr.value;
-      }
+      } // Iterate children
+
 
-      // Iterate children
       for (var _i = 0, node; node = data.childNodes[_i]; _i++) {
         retval.children[_i] = getJsonFromSvgElement(node);
       }
 
       return retval;
     };
-
     /**
     * This should really be an intersection implementing all rather than a union
     * @function module:svgcanvas.SvgCanvas#addSVGElementFromJson
     * @implements {module:utilities.EditorContext#addSVGElementFromJson|module:path.EditorContext#addSVGElementFromJson}
     */
+
+
     var addSVGElementFromJson = this.addSVGElementFromJson = function (data) {
       if (typeof data === 'string') return svgdoc.createTextNode(data);
+      var shape = getElem(data.attr.id); // if shape is a path but we need to create a rect/ellipse, then remove the path
 
-      var shape = getElem(data.attr.id);
-      // if shape is a path but we need to create a rect/ellipse, then remove the path
       var currentLayer = getCurrentDrawing().getCurrentLayer();
+
       if (shape && data.element !== shape.tagName) {
         shape.remove();
         shape = null;
       }
+
       if (!shape) {
         var ns = data.namespace || NS.SVG;
         shape = svgdoc.createElementNS(ns, data.element);
+
         if (currentLayer) {
           (currentGroup || currentLayer).append(shape);
         }
       }
+
       if (data.curStyles) {
         assignAttributes(shape, {
           fill: curShape.fill,
@@ -12562,10 +13454,10 @@
           style: 'pointer-events:inherit'
         }, 100);
       }
-      assignAttributes(shape, data.attr, 100);
-      cleanupElement(shape);
 
-      // Children
+      assignAttributes(shape, data.attr, 100);
+      cleanupElement(shape); // Children
+
       if (data.children) {
         data.children.forEach(function (child) {
           shape.append(addSVGElementFromJson(child));
@@ -12576,22 +13468,22 @@
     };
 
     canvas.getTransformList = getTransformList;
-
     canvas.matrixMultiply = matrixMultiply;
     canvas.hasMatrixTransform = hasMatrixTransform;
     canvas.transformListToTransform = transformListToTransform;
-
     /**
     * @implements {module:utilities.EditorContext#getBaseUnit}
     */
+
     var getBaseUnit = function getBaseUnit() {
       return curConfig.baseUnit;
     };
-
     /**
     * initialize from units.js.
     * Send in an object implementing the ElementContainer interface (see units.js)
     */
+
+
     init(
     /**
     * @implements {module:units.ElementContainer}
@@ -12609,32 +13501,32 @@
         return saveOptions.round_digits;
       }
     });
-
     canvas.convertToNum = convertToNum;
-
     /**
     * This should really be an intersection implementing all rather than a union
     * @implements {module:draw.DrawCanvasInit#getSVGContent|module:utilities.EditorContext#getSVGContent}
     */
+
     var getSVGContent = function getSVGContent() {
       return svgcontent;
     };
-
     /**
     * Should really be an intersection with all needing to apply rather than a union
     * @function module:svgcanvas.SvgCanvas#getSelectedElements
     * @implements {module:utilities.EditorContext#getSelectedElements|module:draw.DrawCanvasInit#getSelectedElements|module:path.EditorContext#getSelectedElements}
     */
+
+
     var getSelectedElements = this.getSelectedElems = function () {
       return selectedElements;
     };
 
     var pathActions$$1 = pathActions;
-
     /**
     * This should actually be an intersection as all interfaces should be met
     * @implements {module:utilities.EditorContext#getSVGRoot|module:recalculate.EditorContext#getSVGRoot|module:coords.EditorContext#getSVGRoot|module:path.EditorContext#getSVGRoot}
     */
+
     var getSVGRoot = function getSVGRoot() {
       return svgroot;
     };
@@ -12644,7 +13536,8 @@
     * @implements {module:utilities.EditorContext}
     */
     {
-      pathActions: pathActions$$1, // Ok since not modifying
+      pathActions: pathActions$$1,
+      // Ok since not modifying
       getSVGContent: getSVGContent,
       addSVGElementFromJson: addSVGElementFromJson,
       getSelectedElements: getSelectedElements,
@@ -12654,7 +13547,6 @@
       getDOMContainer: function getDOMContainer() {
         return container;
       },
-
       getSVGRoot: getSVGRoot,
       // TODO: replace this mostly with a way to get the current drawing.
       getBaseUnit: getBaseUnit,
@@ -12662,23 +13554,23 @@
         return curConfig.snappingStep;
       }
     });
-
     canvas.findDefs = findDefs;
     canvas.getUrlFromAttr = getUrlFromAttr;
     canvas.getHref = getHref;
     canvas.setHref = setHref;
-    /* const getBBox = */canvas.getBBox = getBBox;
+    /* const getBBox = */
+
+    canvas.getBBox = getBBox;
     canvas.getRotationAngle = getRotationAngle;
     canvas.getElem = getElem;
     canvas.getRefElem = getRefElem;
     canvas.assignAttributes = assignAttributes;
-
     this.cleanupElement = cleanupElement;
-
     /**
     * This should actually be an intersection not a union as all should apply
     * @implements {module:coords.EditorContext|module:path.EditorContext}
     */
+
     var getGridSnapping = function getGridSnapping() {
       return curConfig.gridSnapping;
     };
@@ -12691,12 +13583,10 @@
       getDrawing: function getDrawing() {
         return getCurrentDrawing();
       },
-
       getSVGRoot: getSVGRoot,
       getGridSnapping: getGridSnapping
     });
     this.remapElement = remapElement;
-
     init$5(
     /**
     * @implements {module:recalculate.EditorContext}
@@ -12710,17 +13600,16 @@
         startTransform = transform;
       }
     });
-    this.recalculateDimensions = recalculateDimensions;
+    this.recalculateDimensions = recalculateDimensions; // import from sanitize.js
 
-    // import from sanitize.js
     var nsMap = getReverseNS();
     canvas.sanitizeSvg = sanitizeSvg;
-
     /**
     * @name undoMgr
     * @memberof module:svgcanvas.SvgCanvas#
     * @type {module:history.HistoryEventHandler}
     */
+
     var undoMgr = canvas.undoMgr = new UndoManager$1({
       /**
        * @param {string} eventType One of the HistoryEvent types
@@ -12729,8 +13618,8 @@
        * @returns {undefined}
        */
       handleHistoryEvent: function handleHistoryEvent(eventType, cmd) {
-        var EventTypes = HistoryEventTypes$1;
-        // TODO: handle setBlurOffsets.
+        var EventTypes = HistoryEventTypes$1; // TODO: handle setBlurOffsets.
+
         if (eventType === EventTypes.BEFORE_UNAPPLY || eventType === EventTypes.BEFORE_APPLY) {
           canvas.clearSelection();
         } else if (eventType === EventTypes.AFTER_APPLY || eventType === EventTypes.AFTER_UNAPPLY) {
@@ -12739,8 +13628,10 @@
           call('changed', elems);
           var cmdType = cmd.type();
           var isApply = eventType === EventTypes.AFTER_APPLY;
+
           if (cmdType === MoveElementCommand$1.type()) {
             var parent = isApply ? cmd.newParent : cmd.oldParent;
+
             if (parent === svgcontent) {
               identifyLayers();
             }
@@ -12748,6 +13639,7 @@
             if (cmd.parent === svgcontent) {
               identifyLayers();
             }
+
             if (cmdType === InsertElementCommand$1.type()) {
               if (isApply) {
                 restoreRefElems(cmd.elem);
@@ -12757,6 +13649,7 @@
                 restoreRefElems(cmd.elem);
               }
             }
+
             if (cmd.elem.tagName === 'use') {
               setUseData(cmd.elem);
             }
@@ -12765,12 +13658,12 @@
             if (cmd.elem.tagName === 'title' && cmd.elem.parentNode.parentNode === svgcontent) {
               identifyLayers();
             }
-            var values = isApply ? cmd.newValues : cmd.oldValues;
-            // If stdDeviation was changed, update the blur.
+
+            var values = isApply ? cmd.newValues : cmd.oldValues; // If stdDeviation was changed, update the blur.
+
             if (values.stdDeviation) {
               canvas.setBlurOffsets(cmd.elem.parentNode, values.stdDeviation);
-            }
-            // This is resolved in later versions of webkit, perhaps we should
+            } // This is resolved in later versions of webkit, perhaps we should
             // have a featured detection for correct 'use' behavior?
             // ——————————
             // Remove & Re-add hack for Webkit (issue 775)
@@ -12784,34 +13677,37 @@
             //    // Ok to replace above with this? `sib.before(elem);`
             //  }
             // }
+
           }
         }
       }
     });
-
     /**
     * This should really be an intersection applying to all types rather than a union
     * @function module:svgcanvas~addCommandToHistory
     * @implements {module:path.EditorContext#addCommandToHistory|module:draw.DrawCanvasInit#addCommandToHistory}
     */
+
     var addCommandToHistory = function addCommandToHistory(cmd) {
       canvas.undoMgr.addCommandToHistory(cmd);
     };
-
     /**
     * This should really be an intersection applying to all types rather than a union
     * @function module:svgcanvas.SvgCanvas#getZoom
     * @implements {module:path.EditorContext#getCurrentZoom|module:select.SVGFactory#getCurrentZoom}
     */
+
+
     var getCurrentZoom = this.getZoom = function () {
       return currentZoom;
     };
-
     /**
     * This method rounds the incoming value to the nearest value based on the `currentZoom`
     * @function module:svgcanvas.SvgCanvas#round
     * @implements {module:path.EditorContext#round}
     */
+
+
     var round = this.round = function (val) {
       return parseInt(val * currentZoom, 10) / currentZoom;
     };
@@ -12831,7 +13727,6 @@
       svgContent: function svgContent() {
         return svgcontent;
       },
-
       getCurrentZoom: getCurrentZoom
     });
     /**
@@ -12839,24 +13734,25 @@
     * @name module:svgcanvas.SvgCanvas#selectorManager
     * @type {module:select.SelectorManager}
     */
-    var selectorManager = this.selectorManager = getSelectorManager();
 
+    var selectorManager = this.selectorManager = getSelectorManager();
     /**
     * @function module:svgcanvas.SvgCanvas#getNextId
     * @implements {module:path.EditorContext#getNextId}
     */
+
     var getNextId = canvas.getNextId = function () {
       return getCurrentDrawing().getNextId();
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getId
     * @implements {module:path.EditorContext#getId}
     */
+
+
     var getId = canvas.getId = function () {
       return getCurrentDrawing().getId();
     };
-
     /**
     * The "implements" should really be an intersection applying to all types rather than a union
     * @function module:svgcanvas.SvgCanvas#call
@@ -12865,12 +13761,13 @@
     * @param {module:svgcanvas.SvgCanvas#event:GenericCanvasEvent} arg - Argument to pass through to the callback function.
     * @returns {undefined}
     */
+
+
     var call = function call(ev, arg) {
       if (events[ev]) {
         return events[ev](window, arg);
       }
     };
-
     /**
     * Clears the selection. The 'selected' handler is then optionally called.
     * This should really be an intersection applying to all types rather than a union
@@ -12878,11 +13775,14 @@
     * @implements {module:draw.DrawCanvasInit#clearSelection|module:path.EditorContext#clearSelection}
     * @fires module:svgcanvas.SvgCanvas#event:selected
     */
+
+
     var clearSelection = this.clearSelection = function (noCall) {
       selectedElements.forEach(function (elem) {
         if (elem == null) {
           return;
         }
+
         selectorManager.releaseSelector(elem);
       });
       selectedElements = [];
@@ -12891,35 +13791,42 @@
         call('selected', selectedElements);
       }
     };
-
     /**
     * Adds a list of elements to the selection. The 'selected' handler is then called.
     * @function module:svgcanvas.SvgCanvas#addToSelection
     * @implements {module:path.EditorContext#addToSelection}
     * @fires module:svgcanvas.SvgCanvas#event:selected
     */
+
+
     var addToSelection = this.addToSelection = function (elemsToAdd, showGrips) {
       if (!elemsToAdd.length) {
         return;
-      }
-      // find the first null in our selectedElements array
+      } // find the first null in our selectedElements array
+
 
       var j = 0;
+
       while (j < selectedElements.length) {
         if (selectedElements[j] == null) {
           break;
         }
-        ++j;
-      }
 
-      // now add each element consecutively
+        ++j;
+      } // now add each element consecutively
+
+
       var i = elemsToAdd.length;
+
       while (i--) {
         var elem = elemsToAdd[i];
+
         if (!elem) {
           continue;
         }
+
         var bbox = getBBox(elem);
+
         if (!bbox) {
           continue;
         }
@@ -12927,14 +13834,13 @@
         if (elem.tagName === 'a' && elem.childNodes.length === 1) {
           // Make "a" element's child be the selected element
           elem = elem.firstChild;
-        }
+        } // if it's not already there, add it
+
 
-        // if it's not already there, add it
         if (!selectedElements.includes(elem)) {
-          selectedElements[j] = elem;
-
-          // only the first selectedBBoxes element is ever used in the codebase these days
+          selectedElements[j] = elem; // only the first selectedBBoxes element is ever used in the codebase these days
           // if (j === 0) selectedBBoxes[0] = utilsGetBBox(elem);
+
           j++;
           var sel = selectorManager.requestSelector(elem, bbox);
 
@@ -12943,75 +13849,78 @@
           }
         }
       }
+
       call('selected', selectedElements);
 
       if (showGrips || selectedElements.length === 1) {
         selectorManager.requestSelector(selectedElements[0]).showGrips(true);
       } else {
         selectorManager.requestSelector(selectedElements[0]).showGrips(false);
-      }
-
-      // make sure the elements are in the correct order
+      } // make sure the elements are in the correct order
       // See: https://www.w3.org/TR/DOM-Level-3-Core/core.html#Node3-compareDocumentPosition
 
+
       selectedElements.sort(function (a, b) {
         if (a && b && a.compareDocumentPosition) {
           return 3 - (b.compareDocumentPosition(a) & 6);
         }
+
         if (a == null) {
           return 1;
         }
-      });
+      }); // Make sure first elements are not null
 
-      // Make sure first elements are not null
       while (selectedElements[0] == null) {
         selectedElements.shift(0);
       }
     };
-
     /**
     * @implements {module:path.EditorContext#getOpacity}
     */
+
+
     var getOpacity = function getOpacity() {
       return curShape.opacity;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getMouseTarget
     * @implements {module:path.EditorContext#getMouseTarget}
     */
+
+
     var getMouseTarget = this.getMouseTarget = function (evt) {
       if (evt == null) {
         return null;
       }
-      var mouseTarget = evt.target;
 
-      // if it was a <use>, Opera and WebKit return the SVGElementInstance
+      var mouseTarget = evt.target; // if it was a <use>, Opera and WebKit return the SVGElementInstance
+
       if (mouseTarget.correspondingUseElement) {
         mouseTarget = mouseTarget.correspondingUseElement;
-      }
-
-      // for foreign content, go up until we find the foreignObject
+      } // for foreign content, go up until we find the foreignObject
       // WebKit browsers set the mouse target to the svgcanvas div
+
+
       if ([NS.MATH, NS.HTML].includes(mouseTarget.namespaceURI) && mouseTarget.id !== 'svgcanvas') {
         while (mouseTarget.nodeName !== 'foreignObject') {
           mouseTarget = mouseTarget.parentNode;
+
           if (!mouseTarget) {
             return svgroot;
           }
         }
-      }
-
-      // Get the desired mouseTarget with jQuery selector-fu
+      } // Get the desired mouseTarget with jQuery selector-fu
       // If it's root-like, select the root
+
+
       var currentLayer = getCurrentDrawing().getCurrentLayer();
+
       if ([svgroot, container, svgcontent, currentLayer].includes(mouseTarget)) {
         return svgroot;
       }
 
-      var $target = $$9(mouseTarget);
+      var $target = $$9(mouseTarget); // If it's a selection grip, return the grip parent
 
-      // If it's a selection grip, return the grip parent
       if ($target.closest('#selectorParentGroup').length) {
         // While we could instead have just returned mouseTarget,
         // this makes it easier to indentify as being a selector grip
@@ -13020,9 +13929,7 @@
 
       while (mouseTarget.parentNode !== (currentGroup || currentLayer)) {
         mouseTarget = mouseTarget.parentNode;
-      }
-
-      //
+      } //
       // // go up until we hit a child of a layer
       // while (mouseTarget.parentNode.parentNode.tagName == 'g') {
       //   mouseTarget = mouseTarget.parentNode;
@@ -13033,28 +13940,34 @@
       //   mouseTarget = svgroot;
       // }
 
+
       return mouseTarget;
     };
-
     /**
     * @namespace {module:path.pathActions} pathActions
     * @memberof module:svgcanvas.SvgCanvas#
     * @see module:path.pathActions
     */
+
+
     canvas.pathActions = pathActions$$1;
     /**
     * @implements {module:path.EditorContext#resetD}
     */
+
     function resetD(p) {
       p.setAttribute('d', pathActions$$1.convertPath(p));
     }
+
     init$1(
     /**
     * @implements {module:path.EditorContext}
     */
     {
-      selectorManager: selectorManager, // Ok since not changing
-      canvas: canvas, // Ok since not changing
+      selectorManager: selectorManager,
+      // Ok since not changing
+      canvas: canvas,
+      // Ok since not changing
       call: call,
       resetD: resetD,
       round: round,
@@ -13089,11 +14002,13 @@
       addPtsToSelection: function addPtsToSelection(_ref) {
         var closedSubpath = _ref.closedSubpath,
             grips = _ref.grips;
-
         // TODO: Correct this:
         pathActions$$1.canDeleteNodes = true;
         pathActions$$1.closed_subpath = closedSubpath;
-        call('pointsAdded', { closedSubpath: closedSubpath, grips: grips });
+        call('pointsAdded', {
+          closedSubpath: closedSubpath,
+          grips: grips
+        });
         call('selected', grips);
       },
 
@@ -13106,11 +14021,9 @@
       endChanges: function endChanges(_ref2) {
         var cmd = _ref2.cmd,
             elem = _ref2.elem;
-
         addCommandToHistory(cmd);
         call('changed', [elem]);
       },
-
       getCurrentZoom: getCurrentZoom,
       getId: getId,
       getNextId: getNextId,
@@ -13129,19 +14042,14 @@
         drawnPath = dp;
         return drawnPath;
       },
-
       getSVGRoot: getSVGRoot
-    });
+    }); // Interface strings, usually for title elements
 
-    // Interface strings, usually for title elements
     var uiStrings = {};
-
     var visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use';
     var refAttrs = ['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'];
+    var elData = $$9.data; // Animation element to change the opacity of any newly created element
 
-    var elData = $$9.data;
-
-    // Animation element to change the opacity of any newly created element
     var opacAni = document.createElementNS(NS.SVG, 'animate');
     $$9(opacAni).attr({
       attributeName: 'opacity',
@@ -13153,11 +14061,14 @@
     var restoreRefElems = function restoreRefElems(elem) {
       // Look for missing reference elements, restore any found
       var attrs = $$9(elem).attr(refAttrs);
+
       for (var o in attrs) {
         var val = attrs[o];
+
         if (val && val.startsWith('url(')) {
           var id = getUrlFromAttr(val).substr(1);
           var ref = getElem(id);
+
           if (!ref) {
             findDefs().append(removedElements[id]);
             delete removedElements[id];
@@ -13172,9 +14083,7 @@
           restoreRefElems(childs[i]);
         }
       }
-    };
-
-    // (function () {
+    }; // (function () {
     // TODO For Issue 208: this is a start on a thumbnail
     //  const svgthumb = svgdoc.createElementNS(NS.SVG, 'use');
     //  svgthumb.setAttribute('width', '100');
@@ -13189,84 +14098,58 @@
      * @property {"embed"} [image]
      * @property {Integer} round_digits
      */
-
     // Object to contain image data for raster images that were found encodable
+
+
     var encodableImages = {},
+        // Object with save options
 
-
-    // Object with save options
     /**
      * @type {module:svgcanvas.SaveOptions}
      */
-    saveOptions = { round_digits: 5 },
-
-
-    // Object with IDs for imported files, to see if one was already added
+    saveOptions = {
+      round_digits: 5
+    },
+        // Object with IDs for imported files, to see if one was already added
     importIds = {},
-
-
-    // Current text style properties
+        // Current text style properties
     curText = allProperties.text,
-
-
-    // Object to contain all included extensions
+        // Object to contain all included extensions
     extensions = {},
-
-
-    // Map of deleted reference elements
+        // Map of deleted reference elements
     removedElements = {};
-
-    var
-    // String with image URL of last loadable image
+    var // String with image URL of last loadable image
     lastGoodImgUrl = curConfig.imgPath + 'logo.png',
-
-
-    // Boolean indicating whether or not a draw action has been started
+        // Boolean indicating whether or not a draw action has been started
     started = false,
-
-
-    // String with an element's initial transform attribute value
+        // String with an element's initial transform attribute value
     startTransform = null,
-
-
-    // String indicating the current editor mode
+        // String indicating the current editor mode
     currentMode = 'select',
-
-
-    // String with the current direction in which an element is being resized
+        // String with the current direction in which an element is being resized
     currentResizeMode = 'none',
-
-
-    // Current general properties
+        // Current general properties
     curProperties = curShape,
-
-
-    // Array with selected elements' Bounding box object
+        // Array with selected elements' Bounding box object
     // selectedBBoxes = new Array(1),
-
     // The DOM element that was just selected
     justSelected = null,
-
-
-    // DOM element for selection rectangle drawn by the user
+        // DOM element for selection rectangle drawn by the user
     rubberBox = null,
-
-
-    // Array of current BBoxes, used in getIntersectionList().
+        // Array of current BBoxes, used in getIntersectionList().
     curBBoxes = [],
-
-
-    // Canvas point for the most recent right click
+        // Canvas point for the most recent right click
     lastClickPoint = null;
-
     /**
     * @typedef {module:svgcanvas.ExtensionMouseDownStatus|module:svgcanvas.ExtensionMouseUpStatus|module:svgcanvas.ExtensionIDsUpdatedStatus|module:locale.ExtensionLocaleData[]|undefined} module:svgcanvas.ExtensionStatus
     * @tutorial ExtensionDocs
     */
+
     /**
     * @callback module:svgcanvas.ExtensionVarBuilder
     * @param {string} name The name of the extension
     */
+
     /**
     * @todo Consider: Should this return an array by default, so extension results aren't overwritten?
     * @todo Would be easier to document if passing in object with key of action and vars as value; could then define an interface which tied both together
@@ -13276,6 +14159,7 @@
     * @param {boolean} [returnArray]
     * @returns {GenericArray.<module:svgcanvas.ExtensionStatus>|module:svgcanvas.ExtensionStatus|false} See {@tutorial ExtensionDocs} on the ExtensionStatus.
     */
+
     var runExtensions = this.runExtensions = function (action, vars, returnArray) {
       var result = returnArray ? [] : false;
       $$9.each(extensions, function (name, ext) {
@@ -13283,6 +14167,7 @@
           if (typeof vars === 'function') {
             vars = vars(name); // ext, action
           }
+
           if (returnArray) {
             result.push(ext[action](vars));
           } else {
@@ -13292,17 +14177,18 @@
       });
       return result;
     };
-
     /**
     * @typedef {PlainObject} module:svgcanvas.ExtensionMouseDownStatus
     * @property {boolean} started Indicates that creating/editing has started
     */
+
     /**
     * @typedef {PlainObject} module:svgcanvas.ExtensionMouseUpStatus
     * @property {boolean} keep Indicates if the current element should be kept
     * @property {boolean} started Indicates if editing should still be considered as "started"
     * @property {Element} element The element being affected
     */
+
     /**
     * @typedef {PlainObject} module:svgcanvas.ExtensionIDsUpdatedStatus
     * @property {string[]} remove Contains string IDs (used by `ext-connector.js`)
@@ -13314,81 +14200,97 @@
      * @property {module:SVGEditor.Button[]|PlainObject.<Integer, module:SVGEditor.Button>} [buttons]
      * @property {string} [svgicons] The location of a local SVG or SVGz file
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#mouseDown
      * @param {module:svgcanvas.SvgCanvas#event:ext-mouseDown} arg
      * @returns {undefined|module:svgcanvas.ExtensionMouseDownStatus}
      */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#mouseMove
      * @param {module:svgcanvas.SvgCanvas#event:ext-mouseMove} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#mouseUp
      * @param {module:svgcanvas.SvgCanvas#event:ext-mouseUp} arg
      * @returns {module:svgcanvas.ExtensionMouseUpStatus}
      */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#zoomChanged
      * @param {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#IDsUpdated
      * @param {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} arg
      * @returns {module:svgcanvas.ExtensionIDsUpdatedStatus}
      */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#canvasUpdated
      * @param {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#toolButtonStateUpdate
      * @param {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#selectedChanged
      * @param {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#elementTransition
      * @param {module:svgcanvas.SvgCanvas#event:ext-elementTransition} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#elementChanged
      * @param {module:svgcanvas.SvgCanvas#event:ext-elementChanged} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#langReady
      * @param {module:svgcanvas.SvgCanvas#event:ext-langReady} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#langChanged
      * @param {module:svgcanvas.SvgCanvas#event:ext-langChanged} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#addLangData
      * @param {module:svgcanvas.SvgCanvas#event:ext-addLangData} arg
      * @returns {Promise} Resolves to {@link module:locale.ExtensionLocaleData}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#onNewDocument
      * @param {module:svgcanvas.SvgCanvas#event:ext-onNewDocument} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#workareaResized
      * @param {module:svgcanvas.SvgCanvas#event:ext-workareaResized} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#callback
      * @param {module:svgcanvas.SvgCanvas#event:ext-callback} arg
@@ -13401,6 +14303,7 @@
     * @param {module:svgcanvas.ExtensionArgumentObject} arg
     * @returns {Promise} Resolves to [ExtensionInitResponse]{@link module:svgcanvas.ExtensionInitResponse} or `undefined`
     */
+
     /**
     * Add an extension to the editor
     * @function module:svgcanvas.SvgCanvas#addExtension
@@ -13411,8 +14314,14 @@
     * @throws {TypeError} If `extInitFunc` is not a function
     * @returns {Promise} Resolves to `undefined`
     */
-    this.addExtension = function () {
-      var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(name, extInitFunc, importLocale) {
+
+
+    this.addExtension =
+    /*#__PURE__*/
+    function () {
+      var _ref3 = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(name, extInitFunc, importLocale) {
         var argObj, extObj;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
@@ -13432,6 +14341,7 @@
                 }
 
                 // Provide private vars/funcs here. Is there a better way to do this?
+
                 /**
                  * @typedef {module:svgcanvas.PrivateMethods} module:svgcanvas.ExtensionArgumentObject
                  * @property {SVGSVGElement} svgroot See {@link module:svgcanvas~svgroot}
@@ -13440,6 +14350,7 @@
                  * @property {module:select.SelectorManager} selectorManager
                  * @property {module:SVGEditor~ImportLocale} importLocale
                  */
+
                 /**
                  * @type {module:svgcanvas.ExtensionArgumentObject}
                  * @see {@link module:svgcanvas.PrivateMethods} source for the other methods/properties
@@ -13462,13 +14373,13 @@
                 }
 
                 extensions[name] = extObj;
-                return _context.abrupt('return', call('extension_added', extObj));
+                return _context.abrupt("return", call('extension_added', extObj));
 
               case 12:
                 console.log('Cannot add extension "' + name + '", an extension by that name already exists.');
 
               case 13:
-              case 'end':
+              case "end":
                 return _context.stop();
             }
           }
@@ -13479,7 +14390,6 @@
         return _ref3.apply(this, arguments);
       };
     }();
-
     /**
     * This method sends back an array or a NodeList full of elements that
     * intersect the multi-select rubber-band-box on the currentLayer only.
@@ -13492,14 +14402,16 @@
     * @param {SVGRect} rect
     * @returns {Element[]|NodeList} Bbox elements
     */
+
+
     var getIntersectionList = this.getIntersectionList = function (rect) {
       if (rubberBox == null) {
         return null;
       }
 
       var parent = currentGroup || getCurrentDrawing().getCurrentLayer();
+      var rubberBBox;
 
-      var rubberBBox = void 0;
       if (!rect) {
         rubberBBox = rubberBox.getBBox();
         var bb = svgcontent.createSVGRect();
@@ -13507,6 +14419,7 @@
         for (var o in rubberBBox) {
           bb[o] = rubberBBox[o] / currentZoom;
         }
+
         rubberBBox = bb;
       } else {
         rubberBBox = svgcontent.createSVGRect();
@@ -13517,12 +14430,12 @@
       }
 
       var resultList = null;
+
       if (!isIE) {
         if (typeof svgroot.getIntersectionList === 'function') {
           // Offset the bbox of the rubber box by the offset of the svgcontent element.
           rubberBBox.x += parseInt(svgcontent.getAttribute('x'), 10);
           rubberBBox.y += parseInt(svgcontent.getAttribute('y'), 10);
-
           resultList = svgroot.getIntersectionList(rubberBBox, parent);
         }
       }
@@ -13534,27 +14447,28 @@
           // Cache all bboxes
           curBBoxes = getVisibleElementsAndBBoxes(parent);
         }
+
         var i = curBBoxes.length;
+
         while (i--) {
           if (!rubberBBox.width) {
             continue;
           }
+
           if (rectsIntersect(rubberBBox, curBBoxes[i].bbox)) {
             resultList.push(curBBoxes[i].elem);
           }
         }
-      }
-
-      // addToSelection expects an array, but it's ok to pass a NodeList
+      } // addToSelection expects an array, but it's ok to pass a NodeList
       // because using square-bracket notation is allowed:
       // https://www.w3.org/TR/DOM-Level-2-Core/ecma-script-binding.html
+
+
       return resultList;
     };
 
     this.getStrokedBBox = getStrokedBBoxDefaultVisible;
-
     this.getVisibleElements = getVisibleElements;
-
     /**
     * @typedef {PlainObject} ElementAndBBox
     * @property {Element} elem - The element
@@ -13569,58 +14483,66 @@
     * @param {Element} parent - The parent DOM element to search within
     * @returns {ElementAndBBox[]} An array with objects that include:
     */
+
     var getVisibleElementsAndBBoxes = this.getVisibleElementsAndBBoxes = function (parent) {
       if (!parent) {
         parent = $$9(svgcontent).children(); // Prevent layers from being included
       }
+
       var contentElems = [];
       $$9(parent).children().each(function (i, elem) {
         if (elem.getBBox) {
-          contentElems.push({ elem: elem, bbox: getStrokedBBoxDefaultVisible([elem]) });
+          contentElems.push({
+            elem: elem,
+            bbox: getStrokedBBoxDefaultVisible([elem])
+          });
         }
       });
       return contentElems.reverse();
     };
-
     /**
     * Wrap an SVG element into a group element, mark the group as 'gsvg'
     * @function module:svgcanvas.SvgCanvas#groupSvgElem
     * @param {Element} elem - SVG element to wrap
     * @returns {undefined}
     */
+
+
     var groupSvgElem = this.groupSvgElem = function (elem) {
       var g = document.createElementNS(NS.SVG, 'g');
       elem.replaceWith(g);
       $$9(g).append(elem).data('gsvg', elem)[0].id = getNextId();
-    };
-
-    // Set scope for these functions
-
+    }; // Set scope for these functions
     // Object to contain editor event names and callback functions
-    var events = {};
 
+
+    var events = {};
     canvas.call = call;
     /**
      * Array of what was changed (elements, layers)
      * @event module:svgcanvas.SvgCanvas#event:changed
      * @type {Element[]}
      */
+
     /**
      * Array of selected elements
      * @event module:svgcanvas.SvgCanvas#event:selected
      * @type {Element[]}
      */
+
     /**
      * Array of selected elements
      * @event module:svgcanvas.SvgCanvas#event:transition
      * @type {Element[]}
      */
+
     /**
      * The Element is always `SVGGElement`?
      * If not `null`, will be the set current group element
      * @event module:svgcanvas.SvgCanvas#event:contextset
      * @type {null|Element}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:pointsAdded
      * @type {PlainObject}
@@ -13638,17 +14560,20 @@
      * @property {0.5|2} factor
      * @see module:SVGEditor.BBoxObjectWithFactor
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:updateCanvas
      * @type {PlainObject}
      * @property {false} center
      * @property {module:math.XYObject} newCtr
      */
+
     /**
      * @typedef {PlainObject} module:svgcanvas.ExtensionInitResponsePlusName
      * @implements {module:svgcanvas.ExtensionInitResponse}
      * @property {string} name The extension's resolved ID (whether explicit or based on file name)
      */
+
     /**
      * Generalized extension object response of
      * [`init()`]{@link module:svgcanvas.ExtensionInitCallback}
@@ -13656,36 +14581,44 @@
      * @event module:svgcanvas.SvgCanvas#event:extension_added
      * @type {module:svgcanvas.ExtensionInitResponsePlusName|undefined}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:extensions_added
      * @type {undefined}
     */
+
     /**
      * @typedef {PlainObject} module:svgcanvas.Message
      * @property {Any} data The data
      * @property {string} origin The origin
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:message
      * @type {module:svgcanvas.Message}
      */
+
     /**
      * SVG canvas converted to string
      * @event module:svgcanvas.SvgCanvas#event:saved
      * @type {string}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:setnonce
      * @type {!(string|Integer)}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:unsetnonce
      * @type {undefined}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:zoomDone
      * @type {undefined}
     */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:cleared
      * @type {undefined}
@@ -13695,10 +14628,12 @@
      * @event module:svgcanvas.SvgCanvas#event:exported
      * @type {module:svgcanvas.ImageExportedResults}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:exportedPDF
      * @type {module:svgcanvas.PDFExportedResults}
      */
+
     /**
      * Creating a cover-all class until {@link https://github.com/jsdoc3/jsdoc/issues/1545} may be supported.
      * `undefined` may be returned by {@link module:svgcanvas.SvgCanvas#event:extension_added} if the extension's `init` returns `undefined` It is also the type for the following events "zoomDone", "unsetnonce", "cleared", and "extensions_added".
@@ -13720,29 +14655,30 @@
     * @param {module:svgcanvas.EventHandler} f - The callback function to bind to the event
     * @returns {module:svgcanvas.EventHandler} The previous event
     */
+
     canvas.bind = function (ev, f) {
       var old = events[ev];
       events[ev] = f;
       return old;
     };
-
     /**
     * Runs the SVG Document through the sanitizer and then updates its paths.
     * @function module:svgcanvas.SvgCanvas#prepareSvg
     * @param {XMLDocument} newDoc - The SVG DOM document
     * @returns {undefined}
     */
-    this.prepareSvg = function (newDoc) {
-      this.sanitizeSvg(newDoc.documentElement);
 
-      // convert paths into absolute commands
-      var paths = [].concat(toConsumableArray(newDoc.getElementsByTagNameNS(NS.SVG, 'path')));
+
+    this.prepareSvg = function (newDoc) {
+      this.sanitizeSvg(newDoc.documentElement); // convert paths into absolute commands
+
+      var paths = _toConsumableArray(newDoc.getElementsByTagNameNS(NS.SVG, 'path'));
+
       paths.forEach(function (path$$1) {
         path$$1.setAttribute('d', pathActions$$1.convertPath(path$$1));
         pathActions$$1.fixEnd(path$$1);
       });
     };
-
     /**
     * Hack for Firefox bugs where text element features aren't updated or get
     * messed up. See issue 136 and issue 137.
@@ -13753,10 +14689,13 @@
     * @param {Element} elem - The (text) DOM element to clone
     * @returns {Element} Cloned element
     */
+
+
     var ffClone = function ffClone(elem) {
       if (!isGecko()) {
         return elem;
       }
+
       var clone = elem.cloneNode(true);
       elem.before(clone);
       elem.remove();
@@ -13764,9 +14703,7 @@
       selectedElements[0] = clone;
       selectorManager.requestSelector(clone).showGrips(true);
       return clone;
-    };
-
-    // `this.each` is deprecated, if any extension used this it can be recreated by doing this:
+    }; // `this.each` is deprecated, if any extension used this it can be recreated by doing this:
     // * @example $(canvas.getRootElem()).children().each(...)
     // * @function module:svgcanvas.SvgCanvas#each
     // this.each = function (cb) {
@@ -13782,6 +14719,8 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setRotationAngle = function (val, preventUndo) {
       // ensure val is the proper type
       val = parseFloat(val);
@@ -13790,20 +14729,22 @@
       var bbox = getBBox(elem);
       var cx = bbox.x + bbox.width / 2,
           cy = bbox.y + bbox.height / 2;
-      var tlist = getTransformList(elem);
+      var tlist = getTransformList(elem); // only remove the real rotational transform if present (i.e. at index=0)
 
-      // only remove the real rotational transform if present (i.e. at index=0)
       if (tlist.numberOfItems > 0) {
         var xform = tlist.getItem(0);
+
         if (xform.type === 4) {
           tlist.removeItem(0);
         }
-      }
-      // find Rnc and insert it
+      } // find Rnc and insert it
+
+
       if (val !== 0) {
         var center = transformPoint(cx, cy, transformListToTransform(tlist).matrix);
         var Rnc = svgroot.createSVGTransform();
         Rnc.setRotate(val, center.x, center.y);
+
         if (tlist.numberOfItems) {
           tlist.insertItemBefore(Rnc, 0);
         } else {
@@ -13820,16 +14761,16 @@
         elem.setAttribute('transform', oldTransform);
         changeSelectedAttribute('transform', newTransform, selectedElements);
         call('changed', selectedElements);
-      }
-      // const pointGripContainer = getElem('pathpointgrip_container');
+      } // const pointGripContainer = getElem('pathpointgrip_container');
       // if (elem.nodeName === 'path' && pointGripContainer) {
       //   pathActions.setPointContainerTransform(elem.getAttribute('transform'));
       // }
+
+
       var selector = selectorManager.requestSelector(selectedElements[0]);
       selector.resize();
       selector.updateGripCursors(val);
     };
-
     /**
     * Runs `recalculateDimensions` on the selected elements,
     * adding the changes to a single batch command
@@ -13837,15 +14778,18 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     var recalculateAllSelectedDimensions = this.recalculateAllSelectedDimensions = function () {
       var text = currentResizeMode === 'none' ? 'position' : 'size';
       var batchCmd = new BatchCommand$1(text);
-
       var i = selectedElements.length;
+
       while (i--) {
-        var elem = selectedElements[i];
-        // if (getRotationAngle(elem) && !hasMatrixTransform(getTransformList(elem))) { continue; }
+        var elem = selectedElements[i]; // if (getRotationAngle(elem) && !hasMatrixTransform(getTransformList(elem))) { continue; }
+
         var cmd = recalculateDimensions(elem);
+
         if (cmd) {
           batchCmd.addSubCommand(cmd);
         }
@@ -13856,24 +14800,23 @@
         call('changed', selectedElements);
       }
     };
-
     /**
      * Debug tool to easily see the current matrix in the browser's console
      * @function module:svgcanvas~logMatrix
      * @param {SVGMatrix} m The matrix
      * @returns {undefined}
      */
+
+
     var logMatrix = function logMatrix(m) {
       console.log([m.a, m.b, m.c, m.d, m.e, m.f]);
-    };
+    }; // Root Current Transformation Matrix in user units
+
 
-    // Root Current Transformation Matrix in user units
     var rootSctm = null;
-
     /**
     * Group: Selection
     */
-
     // TODO: do we need to worry about selectedBBoxes here?
 
     /**
@@ -13883,12 +14826,11 @@
     * @param {boolean} showGrips - Indicates whether the resize grips should be shown
     * @returns {undefined}
     */
+
     var selectOnly = this.selectOnly = function (elems, showGrips) {
       clearSelection(true);
       addToSelection(elems, showGrips);
-    };
-
-    // TODO: could use slice here to make this faster?
+    }; // TODO: could use slice here to make this faster?
     // TODO: should the 'selected' handler
 
     /**
@@ -13897,19 +14839,26 @@
     * @param {Element[]} elemsToRemove - An array of elements to remove from selection
     * @returns {undefined}
     */
-    /* const removeFromSelection = */this.removeFromSelection = function (elemsToRemove) {
+
+    /* const removeFromSelection = */
+
+
+    this.removeFromSelection = function (elemsToRemove) {
       if (selectedElements[0] == null) {
         return;
       }
+
       if (!elemsToRemove.length) {
         return;
-      }
+      } // find every element and remove it from our array copy
+
 
-      // find every element and remove it from our array copy
       var newSelectedItems = [],
           len = selectedElements.length;
+
       for (var i = 0; i < len; ++i) {
         var elem = selectedElements[i];
+
         if (elem) {
           // keep the item
           if (!elemsToRemove.includes(elem)) {
@@ -13919,27 +14868,29 @@
             selectorManager.releaseSelector(elem);
           }
         }
-      }
-      // the copy becomes the master now
+      } // the copy becomes the master now
+
+
       selectedElements = newSelectedItems;
     };
-
     /**
     * Clears the selection, then adds all elements in the current layer to the selection.
     * @function module:svgcanvas.SvgCanvas#selectAllInCurrentLayer
     * @returns {undefined}
     */
+
+
     this.selectAllInCurrentLayer = function () {
       var currentLayer = getCurrentDrawing().getCurrentLayer();
+
       if (currentLayer) {
         currentMode = 'select';
         selectOnly($$9(currentGroup || currentLayer).children());
       }
     };
 
-    var drawnPath = null;
+    var drawnPath = null; // Mouse events
 
-    // Mouse events
     (function () {
       var freehand = {
         minx: null,
@@ -13956,17 +14907,38 @@
           rStartY = null,
           initBbox = {},
           sumDistance = 0,
-          controllPoint2 = { x: 0, y: 0 },
-          controllPoint1 = { x: 0, y: 0 },
-          start = { x: 0, y: 0 },
-          end = { x: 0, y: 0 },
-          bSpline = { x: 0, y: 0 },
-          nextPos = { x: 0, y: 0 },
-          parameter = void 0,
-          nextParameter = void 0;
+          controllPoint2 = {
+        x: 0,
+        y: 0
+      },
+          controllPoint1 = {
+        x: 0,
+        y: 0
+      },
+          start = {
+        x: 0,
+        y: 0
+      },
+          end = {
+        x: 0,
+        y: 0
+      },
+          bSpline = {
+        x: 0,
+        y: 0
+      },
+          nextPos = {
+        x: 0,
+        y: 0
+      },
+          parameter,
+          nextParameter;
 
       var getBsplinePoint = function getBsplinePoint(t) {
-        var spline = { x: 0, y: 0 },
+        var spline = {
+          x: 0,
+          y: 0
+        },
             p0 = controllPoint2,
             p1 = controllPoint1,
             p2 = start,
@@ -13974,12 +14946,9 @@
             S = 1.0 / 6.0,
             t2 = t * t,
             t3 = t2 * t;
-
         var m = [[-1, 3, -3, 1], [3, -6, 3, 0], [-3, 0, 3, 0], [1, 4, 1, 0]];
-
         spline.x = S * ((p0.x * m[0][0] + p1.x * m[0][1] + p2.x * m[0][2] + p3.x * m[0][3]) * t3 + (p0.x * m[1][0] + p1.x * m[1][1] + p2.x * m[1][2] + p3.x * m[1][3]) * t2 + (p0.x * m[2][0] + p1.x * m[2][1] + p2.x * m[2][2] + p3.x * m[2][3]) * t + (p0.x * m[3][0] + p1.x * m[3][1] + p2.x * m[3][2] + p3.x * m[3][3]));
         spline.y = S * ((p0.y * m[0][0] + p1.y * m[0][1] + p2.y * m[0][2] + p3.y * m[0][3]) * t3 + (p0.y * m[1][0] + p1.y * m[1][1] + p2.y * m[1][2] + p3.y * m[1][3]) * t2 + (p0.y * m[2][0] + p1.y * m[2][1] + p2.y * m[2][2] + p3.y * m[2][3]) * t + (p0.y * m[3][0] + p1.y * m[3][1] + p2.y * m[3][2] + p3.y * m[3][3]));
-
         return {
           x: spline.x,
           y: spline.y
@@ -13994,6 +14963,8 @@
        * @fires module:svgcanvas.SvgCanvas#event:ext-mouseDown
        * @returns {undefined}
        */
+
+
       var mouseDown = function mouseDown(evt) {
         if (canvas.spaceKey || evt.button === 1) {
           return;
@@ -14007,32 +14978,29 @@
         }
 
         rootSctm = $$9('#svgcontent g')[0].getScreenCTM().inverse();
-
         var pt = transformPoint(evt.pageX, evt.pageY, rootSctm),
             mouseX = pt.x * currentZoom,
             mouseY = pt.y * currentZoom;
-
         evt.preventDefault();
 
         if (rightClick) {
           currentMode = 'select';
           lastClickPoint = pt;
-        }
-
-        // This would seem to be unnecessary...
+        } // This would seem to be unnecessary...
         // if (!['select', 'resize'].includes(currentMode)) {
         //   setGradient();
         // }
 
+
         var x = mouseX / currentZoom,
             y = mouseY / currentZoom;
         var mouseTarget = getMouseTarget(evt);
 
         if (mouseTarget.tagName === 'a' && mouseTarget.childNodes.length === 1) {
           mouseTarget = mouseTarget.firstChild;
-        }
+        } // realX/y ignores grid-snap value
+
 
-        // realX/y ignores grid-snap value
         var realX = x;
         rStartX = startX = x;
         var realY = y;
@@ -14043,33 +15011,33 @@
           y = snapToGrid(y);
           startX = snapToGrid(startX);
           startY = snapToGrid(startY);
-        }
-
-        // if it is a selector grip, then it must be a single element selected,
+        } // if it is a selector grip, then it must be a single element selected,
         // set the mouseTarget to that and update the mode to rotate/resize
 
+
         if (mouseTarget === selectorManager.selectorParentGroup && selectedElements[0] != null) {
           var grip = evt.target;
-          var griptype = elData(grip, 'type');
-          // rotating
+          var griptype = elData(grip, 'type'); // rotating
+
           if (griptype === 'rotate') {
-            currentMode = 'rotate';
-            // resizing
+            currentMode = 'rotate'; // resizing
           } else if (griptype === 'resize') {
             currentMode = 'resize';
             currentResizeMode = elData(grip, 'dir');
           }
+
           mouseTarget = selectedElements[0];
         }
 
         startTransform = mouseTarget.getAttribute('transform');
-        var i = void 0,
-            strokeW = void 0;
+        var i, strokeW;
         var tlist = getTransformList(mouseTarget);
+
         switch (currentMode) {
           case 'select':
             started = true;
             currentResizeMode = 'none';
+
             if (rightClick) {
               started = false;
             }
@@ -14083,11 +15051,12 @@
                   // No need to do the call here as it will be done on addToSelection
                   clearSelection(true);
                 }
+
                 addToSelection([mouseTarget]);
                 justSelected = mouseTarget;
                 pathActions$$1.clear();
-              }
-              // else if it's a path, go into pathedit mode in mouseup
+              } // else if it's a path, go into pathedit mode in mouseup
+
 
               if (!rightClick) {
                 // insert a dummy transform so if the element(s) are moved it will have
@@ -14096,7 +15065,9 @@
                   if (selectedElements[i] == null) {
                     continue;
                   }
+
                   var slist = getTransformList(selectedElements[i]);
+
                   if (slist.numberOfItems) {
                     slist.insertItemBefore(svgroot.createSVGTransform(), 0);
                   } else {
@@ -14107,12 +15078,13 @@
             } else if (!rightClick) {
               clearSelection();
               currentMode = 'multiselect';
+
               if (rubberBox == null) {
                 rubberBox = selectorManager.getRubberBandBox();
               }
+
               rStartX *= currentZoom;
-              rStartY *= currentZoom;
-              // console.log('p',[evt.pageX, evt.pageY]);
+              rStartY *= currentZoom; // console.log('p',[evt.pageX, evt.pageY]);
               // console.log('c',[evt.clientX, evt.clientY]);
               // console.log('o',[evt.offsetX, evt.offsetY]);
               // console.log('s',[startX, startY]);
@@ -14125,12 +15097,16 @@
                 display: 'inline'
               }, 100);
             }
+
             break;
+
           case 'zoom':
             started = true;
+
             if (rubberBox == null) {
               rubberBox = selectorManager.getRubberBandBox();
             }
+
             assignAttributes(rubberBox, {
               x: realX * currentZoom,
               y: realX * currentZoom,
@@ -14139,22 +15115,21 @@
               display: 'inline'
             }, 100);
             break;
+
           case 'resize':
             started = true;
             startX = x;
-            startY = y;
-
-            // Getting the BBox from the selection box, since we know we
+            startY = y; // Getting the BBox from the selection box, since we know we
             // want to orient around it
+
             initBbox = getBBox($$9('#selectedBox0')[0]);
             var bb = {};
             $$9.each(initBbox, function (key, val) {
               bb[key] = val / currentZoom;
             });
-            initBbox = bb;
-
-            // append three dummy transforms to the tlist so that
+            initBbox = bb; // append three dummy transforms to the tlist so that
             // we can translate,scale,translate in mousemove
+
             var pos = getRotationAngle(mouseTarget) ? 1 : 0;
 
             if (hasMatrixTransform(tlist)) {
@@ -14172,47 +15147,55 @@
                 // Chromium issue: https://code.google.com/p/chromium/issues/detail?id=114625
                 // TODO: Remove this workaround once vendor fixes the issue
                 var iswebkit = isWebkit();
+                var delayedStroke;
 
-                var delayedStroke = void 0;
                 if (iswebkit) {
                   delayedStroke = function delayedStroke(ele) {
                     var _stroke = ele.getAttributeNS(null, 'stroke');
-                    ele.removeAttributeNS(null, 'stroke');
-                    // Re-apply stroke after delay. Anything higher than 1 seems to cause flicker
+
+                    ele.removeAttributeNS(null, 'stroke'); // Re-apply stroke after delay. Anything higher than 1 seems to cause flicker
+
                     if (_stroke !== null) setTimeout(function () {
                       ele.setAttributeNS(null, 'stroke', _stroke);
                     }, 0);
                   };
                 }
+
                 mouseTarget.style.vectorEffect = 'non-scaling-stroke';
+
                 if (iswebkit) {
                   delayedStroke(mouseTarget);
                 }
 
                 var all = mouseTarget.getElementsByTagName('*'),
                     len = all.length;
+
                 for (i = 0; i < len; i++) {
                   if (!all[i].style) {
                     // mathML
                     continue;
                   }
+
                   all[i].style.vectorEffect = 'non-scaling-stroke';
+
                   if (iswebkit) {
                     delayedStroke(all[i]);
                   }
                 }
               }
             }
+
             break;
+
           case 'fhellipse':
           case 'fhrect':
           case 'fhpath':
             start.x = realX;
             start.y = realY;
             started = true;
-            dAttr = realX + ',' + realY + ' ';
-            // Commented out as doing nothing now:
+            dAttr = realX + ',' + realY + ' '; // Commented out as doing nothing now:
             // strokeW = parseFloat(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;
+
             addSVGElementFromJson({
               element: 'polyline',
               curStyles: true,
@@ -14230,6 +15213,7 @@
             freehand.miny = realY;
             freehand.maxy = realY;
             break;
+
           case 'image':
             started = true;
             var newImage = addSVGElementFromJson({
@@ -14247,10 +15231,11 @@
             setHref(newImage, lastGoodImgUrl);
             preventClickDefault(newImage);
             break;
-          case 'square':
-          // FIXME: once we create the rect, we lose information that this was a square
+
+          case 'square': // FIXME: once we create the rect, we lose information that this was a square
           // (for resizing purposes this could be important)
           // Fallthrough
+
           case 'rect':
             started = true;
             startX = x;
@@ -14268,6 +15253,7 @@
               }
             });
             break;
+
           case 'line':
             started = true;
             strokeW = Number(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;
@@ -14292,6 +15278,7 @@
               }
             });
             break;
+
           case 'circle':
             started = true;
             addSVGElementFromJson({
@@ -14306,6 +15293,7 @@
               }
             });
             break;
+
           case 'ellipse':
             started = true;
             addSVGElementFromJson({
@@ -14321,9 +15309,12 @@
               }
             });
             break;
+
           case 'text':
             started = true;
-            /* const newText = */addSVGElementFromJson({
+            /* const newText = */
+
+            addSVGElementFromJson({
               element: 'text',
               curStyles: true,
               attr: {
@@ -14338,33 +15329,36 @@
                 'xml:space': 'preserve',
                 opacity: curShape.opacity
               }
-            });
-            // newText.textContent = 'text';
+            }); // newText.textContent = 'text';
+
             break;
-          case 'path':
-          // Fall through
+
+          case 'path': // Fall through
+
           case 'pathedit':
             startX *= currentZoom;
             startY *= currentZoom;
             pathActions$$1.mouseDown(evt, mouseTarget, startX, startY);
             started = true;
             break;
+
           case 'textedit':
             startX *= currentZoom;
             startY *= currentZoom;
             textActions.mouseDown(evt, mouseTarget, startX, startY);
             started = true;
             break;
+
           case 'rotate':
-            started = true;
-            // we are starting an undoable change (a drag-rotation)
+            started = true; // we are starting an undoable change (a drag-rotation)
+
             canvas.undoMgr.beginUndoableChange('transform', selectedElements);
             break;
+
           default:
             // This could occur in an extension
             break;
         }
-
         /**
          * The main (left) mouse button is held down on the canvas area
          * @event module:svgcanvas.SvgCanvas#event:ext-mouseDown
@@ -14374,22 +15368,24 @@
          * @property {Float} start_y y coordinate on canvas
          * @property {Element[]} selectedElements An array of the selected Elements
         */
-        var extResult = runExtensions('mouseDown', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseDown} */{
+
+
+        var extResult = runExtensions('mouseDown',
+        /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseDown} */
+        {
           event: evt,
           start_x: startX,
           start_y: startY,
           selectedElements: selectedElements
         }, true);
-
         $$9.each(extResult, function (i, r) {
           if (r && r.started) {
             started = true;
           }
         });
-      };
-
-      // in this function we do not record any state changes yet (but we do update
+      }; // in this function we do not record any state changes yet (but we do update
       // any elements that are still being created, moved or resized on the canvas)
+
       /**
        *
        * @param {MouseEvent} evt
@@ -14397,30 +15393,32 @@
        * @fires module:svgcanvas.SvgCanvas#event:ext-mouseMove
        * @returns {undefined}
        */
+
+
       var mouseMove = function mouseMove(evt) {
         if (!started) {
           return;
         }
+
         if (evt.button === 1 || canvas.spaceKey) {
           return;
         }
 
-        var i = void 0,
-            xya = void 0,
-            c = void 0,
-            cx = void 0,
-            cy = void 0,
-            dx = void 0,
-            dy = void 0,
-            len = void 0,
-            angle = void 0,
-            box = void 0,
+        var i,
+            xya,
+            c,
+            cx,
+            cy,
+            dx,
+            dy,
+            len,
+            angle,
+            box,
             selected = selectedElements[0];
         var pt = transformPoint(evt.pageX, evt.pageY, rootSctm),
             mouseX = pt.x * currentZoom,
             mouseY = pt.y * currentZoom,
             shape = getElem(getId());
-
         var realX = mouseX / currentZoom;
         var x = realX;
         var realY = mouseY / currentZoom;
@@ -14432,7 +15430,8 @@
         }
 
         evt.preventDefault();
-        var tlist = void 0;
+        var tlist;
+
         switch (currentMode) {
           case 'select':
             {
@@ -14447,7 +15446,6 @@
                   dx = snapToGrid(dx);
                   dy = snapToGrid(dy);
                 }
-
                 /*
                 // Commenting out as currently has no effect
                 if (evt.shiftKey) {
@@ -14456,43 +15454,49 @@
                 }
                 */
 
+
                 if (dx !== 0 || dy !== 0) {
                   len = selectedElements.length;
+
                   for (i = 0; i < len; ++i) {
                     selected = selectedElements[i];
+
                     if (selected == null) {
                       break;
-                    }
-                    // if (i === 0) {
+                    } // if (i === 0) {
                     //   const box = utilsGetBBox(selected);
                     //     selectedBBoxes[i].x = box.x + dx;
                     //     selectedBBoxes[i].y = box.y + dy;
                     // }
-
                     // update the dummy transform in our transform list
                     // to be a translate
+
+
                     var xform = svgroot.createSVGTransform();
-                    tlist = getTransformList(selected);
-                    // Note that if Webkit and there's no ID for this
+                    tlist = getTransformList(selected); // Note that if Webkit and there's no ID for this
                     // element, the dummy transform may have gotten lost.
                     // This results in unexpected behaviour
 
                     xform.setTranslate(dx, dy);
+
                     if (tlist.numberOfItems) {
                       tlist.replaceItem(xform, 0);
                     } else {
                       tlist.appendItem(xform);
-                    }
+                    } // update our internal bbox that we're tracking while dragging
+
 
-                    // update our internal bbox that we're tracking while dragging
                     selectorManager.requestSelector(selected).resize();
                   }
 
                   call('transition', selectedElements);
                 }
               }
+
               break;
-            }case 'multiselect':
+            }
+
+          case 'multiselect':
             {
               realX *= currentZoom;
               realY *= currentZoom;
@@ -14501,26 +15505,27 @@
                 y: Math.min(rStartY, realY),
                 width: Math.abs(realX - rStartX),
                 height: Math.abs(realY - rStartY)
-              }, 100);
-
-              // for each selected:
+              }, 100); // for each selected:
               // - if newList contains selected, do nothing
               // - if newList doesn't contain selected, remove it from selected
               // - for any newList that was not in selectedElements, add it to selected
+
               var elemsToRemove = selectedElements.slice(),
                   elemsToAdd = [],
-                  newList = getIntersectionList();
+                  newList = getIntersectionList(); // For every element in the intersection, add if not present in selectedElements.
 
-              // For every element in the intersection, add if not present in selectedElements.
               len = newList.length;
+
               for (i = 0; i < len; ++i) {
-                var intElem = newList[i];
-                // Found an element that was not selected before, so we should add it.
+                var intElem = newList[i]; // Found an element that was not selected before, so we should add it.
+
                 if (!selectedElements.includes(intElem)) {
                   elemsToAdd.push(intElem);
-                }
-                // Found an element that was already selected, so we shouldn't remove it.
+                } // Found an element that was already selected, so we shouldn't remove it.
+
+
                 var foundInd = elemsToRemove.indexOf(intElem);
+
                 if (foundInd !== -1) {
                   elemsToRemove.splice(foundInd, 1);
                 }
@@ -14535,7 +15540,9 @@
               }
 
               break;
-            }case 'resize':
+            }
+
+          case 'resize':
             {
               // we track the resize bounding box and translate/scale the selected element
               // while the mouse is down, when mouse goes up, we use this to recalculate
@@ -14548,7 +15555,6 @@
                   _box = box,
                   width = _box.width,
                   height = _box.height;
-
               dx = x - startX;
               dy = y - startY;
 
@@ -14557,22 +15563,24 @@
                 dy = snapToGrid(dy);
                 height = snapToGrid(height);
                 width = snapToGrid(width);
-              }
+              } // if rotated, adjust the dx,dy values
+
 
-              // if rotated, adjust the dx,dy values
               angle = getRotationAngle(selected);
+
               if (angle) {
                 var r = Math.sqrt(dx * dx + dy * dy),
                     theta = Math.atan2(dy, dx) - angle * Math.PI / 180.0;
                 dx = r * Math.cos(theta);
                 dy = r * Math.sin(theta);
-              }
-
-              // if not stretching in y direction, set dy to 0
+              } // if not stretching in y direction, set dy to 0
               // if not stretching in x direction, set dx to 0
+
+
               if (!currentResizeMode.includes('n') && !currentResizeMode.includes('s')) {
                 dy = 0;
               }
+
               if (!currentResizeMode.includes('e') && !currentResizeMode.includes('w')) {
                 dx = 0;
               }
@@ -14581,20 +15589,20 @@
               tx = 0,
                   ty = 0,
                   sy = height ? (height + dy) / height : 1,
-                  sx = width ? (width + dx) / width : 1;
-              // if we are dragging on the north side, then adjust the scale factor and ty
+                  sx = width ? (width + dx) / width : 1; // if we are dragging on the north side, then adjust the scale factor and ty
+
               if (currentResizeMode.includes('n')) {
                 sy = height ? (height - dy) / height : 1;
                 ty = height;
-              }
+              } // if we dragging on the east side, then adjust the scale factor and tx
+
 
-              // if we dragging on the east side, then adjust the scale factor and tx
               if (currentResizeMode.includes('w')) {
                 sx = width ? (width - dx) / width : 1;
                 tx = width;
-              }
+              } // update the transform list with translate,scale,translate
+
 
-              // update the transform list with translate,scale,translate
               var translateOrigin = svgroot.createSVGTransform(),
                   scale = svgroot.createSVGTransform(),
                   translateBack = svgroot.createSVGTransform();
@@ -14607,6 +15615,7 @@
               }
 
               translateOrigin.setTranslate(-(left + tx), -(top + ty));
+
               if (evt.shiftKey) {
                 if (sx === 1) {
                   sx = sy;
@@ -14614,9 +15623,10 @@
                   sy = sx;
                 }
               }
-              scale.setScale(sx, sy);
 
+              scale.setScale(sx, sy);
               translateBack.setTranslate(left + tx, top + ty);
+
               if (hasMatrix) {
                 var diff = angle ? 1 : 0;
                 tlist.replaceItem(translateOrigin, 2 + diff);
@@ -14630,11 +15640,11 @@
               }
 
               selectorManager.requestSelector(selected).resize();
-
               call('transition', selectedElements);
-
               break;
-            }case 'zoom':
+            }
+
+          case 'zoom':
             {
               realX *= currentZoom;
               realY *= currentZoom;
@@ -14645,14 +15655,18 @@
                 height: Math.abs(realY - rStartY * currentZoom)
               }, 100);
               break;
-            }case 'text':
+            }
+
+          case 'text':
             {
               assignAttributes(shape, {
                 x: x,
                 y: y
               }, 1000);
               break;
-            }case 'line':
+            }
+
+          case 'line':
             {
               if (curConfig.gridSnapping) {
                 x = snapToGrid(x);
@@ -14671,19 +15685,21 @@
               shape.setAttributeNS(null, 'x2', x2);
               shape.setAttributeNS(null, 'y2', y2);
               break;
-            }case 'foreignObject':
-          // fall through
-          case 'square':
-          // fall through
-          case 'rect':
-          // fall through
+            }
+
+          case 'foreignObject': // fall through
+
+          case 'square': // fall through
+
+          case 'rect': // fall through
+
           case 'image':
             {
               var square = currentMode === 'square' || evt.shiftKey;
               var w = Math.abs(x - startX),
                   h = Math.abs(y - startY);
-              var newX = void 0,
-                  newY = void 0;
+              var newX, newY;
+
               if (square) {
                 w = h = Math.max(w, h);
                 newX = startX < x ? startX : startX - w;
@@ -14706,22 +15722,26 @@
                 x: newX,
                 y: newY
               }, 1000);
-
               break;
-            }case 'circle':
+            }
+
+          case 'circle':
             {
               c = $$9(shape).attr(['cx', 'cy']);
               var _c = c;
               cx = _c.cx;
               cy = _c.cy;
-
               var rad = Math.sqrt((x - cx) * (x - cx) + (y - cy) * (y - cy));
+
               if (curConfig.gridSnapping) {
                 rad = snapToGrid(rad);
               }
+
               shape.setAttributeNS(null, 'r', rad);
               break;
-            }case 'ellipse':
+            }
+
+          case 'ellipse':
             {
               c = $$9(shape).attr(['cx', 'cy']);
               var _c2 = c;
@@ -14734,11 +15754,13 @@
                 y = snapToGrid(y);
                 cy = snapToGrid(cy);
               }
+
               shape.setAttributeNS(null, 'rx', Math.abs(x - cx));
               var ry = Math.abs(evt.shiftKey ? x - cx : y - cy);
               shape.setAttributeNS(null, 'ry', ry);
               break;
             }
+
           case 'fhellipse':
           case 'fhrect':
             {
@@ -14748,11 +15770,14 @@
               freehand.maxy = Math.max(realY, freehand.maxy);
             }
           // Fallthrough
+
           case 'fhpath':
             {
               // dAttr += + realX + ',' + realY + ' ';
               // shape.setAttributeNS(null, 'points', dAttr);
-              end.x = realX;end.y = realY;
+              end.x = realX;
+              end.y = realY;
+
               if (controllPoint2.x && controllPoint2.y) {
                 for (i = 0; i < STEP_COUNT - 1; i++) {
                   parameter = i / STEP_COUNT;
@@ -14761,10 +15786,10 @@
                   nextPos = bSpline;
                   bSpline = getBsplinePoint(parameter);
                   sumDistance += Math.sqrt((nextPos.x - bSpline.x) * (nextPos.x - bSpline.x) + (nextPos.y - bSpline.y) * (nextPos.y - bSpline.y));
-                  if (sumDistance > THRESHOLD_DIST) {
-                    sumDistance -= THRESHOLD_DIST;
 
-                    // Faster than completely re-writing the points attribute.
+                  if (sumDistance > THRESHOLD_DIST) {
+                    sumDistance -= THRESHOLD_DIST; // Faster than completely re-writing the points attribute.
+
                     var point = svgcontent.createSVGPoint();
                     point.x = bSpline.x;
                     point.y = bSpline.y;
@@ -14772,14 +15797,26 @@
                   }
                 }
               }
-              controllPoint2 = { x: controllPoint1.x, y: controllPoint1.y };
-              controllPoint1 = { x: start.x, y: start.y };
-              start = { x: end.x, y: end.y };
-              break;
-              // update path stretch line coordinates
-            }case 'path':
+
+              controllPoint2 = {
+                x: controllPoint1.x,
+                y: controllPoint1.y
+              };
+              controllPoint1 = {
+                x: start.x,
+                y: start.y
+              };
+              start = {
+                x: end.x,
+                y: end.y
+              };
+              break; // update path stretch line coordinates
+            }
+
+          case 'path':
 
           // fall through
+
           case 'pathedit':
             {
               x *= currentZoom;
@@ -14791,11 +15828,11 @@
                 startX = snapToGrid(startX);
                 startY = snapToGrid(startY);
               }
+
               if (evt.shiftKey) {
                 var path$$1 = path;
+                var x1, y1;
 
-                var x1 = void 0,
-                    y1 = void 0;
                 if (path$$1) {
                   x1 = path$$1.dragging ? path$$1.dragging[0] : startX;
                   y1 = path$$1.dragging ? path$$1.dragging[1] : startY;
@@ -14803,6 +15840,7 @@
                   x1 = startX;
                   y1 = startY;
                 }
+
                 xya = snapToAngle(x1, y1, x, y);
                 var _xya = xya;
                 x = _xya.x;
@@ -14819,14 +15857,15 @@
                   height: Math.abs(realY - rStartY * currentZoom)
                 }, 100);
               }
-              pathActions$$1.mouseMove(x, y);
 
+              pathActions$$1.mouseMove(x, y);
               break;
-            }case 'textedit':
+            }
+
+          case 'textedit':
             {
               x *= currentZoom;
-              y *= currentZoom;
-              // if (rubberBox && rubberBox.getAttribute('display') !== 'none') {
+              y *= currentZoom; // if (rubberBox && rubberBox.getAttribute('display') !== 'none') {
               //   assignAttributes(rubberBox, {
               //     x: Math.min(startX, x),
               //     y: Math.min(startY, y),
@@ -14836,9 +15875,10 @@
               // }
 
               textActions.mouseMove(mouseX, mouseY);
-
               break;
-            }case 'rotate':
+            }
+
+          case 'rotate':
             {
               box = getBBox(selected);
               cx = box.x + box.width / 2;
@@ -14848,9 +15888,11 @@
               cx = center.x;
               cy = center.y;
               angle = (Math.atan2(cy - y, cx - x) * (180 / Math.PI) - 90) % 360;
+
               if (curConfig.gridSnapping) {
                 angle = snapToGrid(angle);
               }
+
               if (evt.shiftKey) {
                 // restrict rotations to nice angles (WRS)
                 var snap = 45;
@@ -14860,10 +15902,11 @@
               canvas.setRotationAngle(angle < -180 ? 360 + angle : angle, true);
               call('transition', selectedElements);
               break;
-            }default:
+            }
+
+          default:
             break;
         }
-
         /**
         * The mouse has moved on the canvas area
         * @event module:svgcanvas.SvgCanvas#event:ext-mouseMove
@@ -14873,19 +15916,23 @@
         * @property {Float} mouse_y y coordinate on canvas
         * @property {Element} selected Refers to the first selected element
         */
-        runExtensions('mouseMove', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseMove} */{
+
+
+        runExtensions('mouseMove',
+        /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseMove} */
+        {
           event: evt,
           mouse_x: mouseX,
           mouse_y: mouseY,
           selected: selected
         });
       }; // mouseMove()
-
       // - in create mode, the element's opacity is set properly, we create an InsertElementCommand
       // and store it on the Undo stack
       // - in move/resize mode, the element's attributes which were affected by the move/resize are
       // identified, a ChangeElementCommand is created and stored on the stack for those attrs
       // this is done in when we recalculate the selected dimensions()
+
       /**
        *
        * @param {MouseEvent} evt
@@ -14894,29 +15941,33 @@
        * @fires module:svgcanvas.SvgCanvas#event:ext-mouseUp
        * @returns {undefined}
        */
+
+
       var mouseUp = function mouseUp(evt) {
         if (evt.button === 2) {
           return;
         }
+
         var tempJustSelected = justSelected;
         justSelected = null;
+
         if (!started) {
           return;
         }
+
         var pt = transformPoint(evt.pageX, evt.pageY, rootSctm),
             mouseX = pt.x * currentZoom,
             mouseY = pt.y * currentZoom,
             x = mouseX / currentZoom,
             y = mouseY / currentZoom;
-
         var element = getElem(getId());
         var keep = false;
-
         var realX = x;
-        var realY = y;
+        var realY = y; // TODO: Make true when in multi-unit mode
+
         started = false;
-        var attrs = void 0,
-            t = void 0;
+        var attrs, t;
+
         switch (currentMode) {
           // intentionally fall-through to select here
           case 'resize':
@@ -14925,20 +15976,24 @@
               rubberBox.setAttribute('display', 'none');
               curBBoxes = [];
             }
+
             currentMode = 'select';
           // Fallthrough
+
           case 'select':
             if (selectedElements[0] != null) {
               // if we only have one selected element
               if (selectedElements[1] == null) {
                 // set our current stroke/fill properties to the element's
                 var selected = selectedElements[0];
+
                 switch (selected.tagName) {
                   case 'g':
                   case 'use':
                   case 'image':
                   case 'foreignObject':
                     break;
+
                   default:
                     curProperties.fill = selected.getAttribute('fill');
                     curProperties.fill_opacity = selected.getAttribute('fill-opacity');
@@ -14954,31 +16009,33 @@
                   curText.font_size = selected.getAttribute('font-size');
                   curText.font_family = selected.getAttribute('font-family');
                 }
-                selectorManager.requestSelector(selected).showGrips(true);
 
-                // This shouldn't be necessary as it was done on mouseDown...
+                selectorManager.requestSelector(selected).showGrips(true); // This shouldn't be necessary as it was done on mouseDown...
                 // call('selected', [selected]);
-              }
-              // always recalculate dimensions to strip off stray identity transforms
-              recalculateAllSelectedDimensions();
-              // if it was being dragged/resized
+              } // always recalculate dimensions to strip off stray identity transforms
+
+
+              recalculateAllSelectedDimensions(); // if it was being dragged/resized
+
               if (realX !== rStartX || realY !== rStartY) {
                 var len = selectedElements.length;
+
                 for (var i = 0; i < len; ++i) {
                   if (selectedElements[i] == null) {
                     break;
                   }
+
                   if (!selectedElements[i].firstChild) {
                     // Not needed for groups (incorrectly resizes elems), possibly not needed at all?
                     selectorManager.requestSelector(selectedElements[i]).resize();
                   }
-                }
-                // no change in position/size, so maybe we should move to pathedit
+                } // no change in position/size, so maybe we should move to pathedit
+
               } else {
                 t = evt.target;
+
                 if (selectedElements[0].nodeName === 'path' && selectedElements[1] == null) {
-                  pathActions$$1.select(selectedElements[0]);
-                  // if it was a path
+                  pathActions$$1.select(selectedElements[0]); // if it was a path
                   // else, if it was selected and this is a shift-click, remove it from selection
                 } else if (evt.shiftKey) {
                   if (tempJustSelected !== t) {
@@ -14986,10 +16043,12 @@
                   }
                 }
               } // no change in mouse position
-
               // Remove non-scaling stroke
+
+
               if (supportsNonScalingStroke()) {
                 var elem = selectedElements[0];
+
                 if (elem) {
                   elem.removeAttribute('style');
                   walkTree(elem, function (elem) {
@@ -14998,11 +16057,14 @@
                 }
               }
             }
+
             return;
+
           case 'zoom':
             if (rubberBox != null) {
               rubberBox.setAttribute('display', 'none');
             }
+
             var factor = evt.shiftKey ? 0.5 : 2;
             call('zoomed', {
               x: Math.min(rStartX, realX),
@@ -15012,46 +16074,67 @@
               factor: factor
             });
             return;
+
           case 'fhpath':
             // Check that the path contains at least 2 points; a degenerate one-point path
             // causes problems.
             // Webkit ignores how we set the points attribute with commas and uses space
             // to separate all coordinates, see https://bugs.webkit.org/show_bug.cgi?id=29870
             sumDistance = 0;
-            controllPoint2 = { x: 0, y: 0 };
-            controllPoint1 = { x: 0, y: 0 };
-            start = { x: 0, y: 0 };
-            end = { x: 0, y: 0 };
+            controllPoint2 = {
+              x: 0,
+              y: 0
+            };
+            controllPoint1 = {
+              x: 0,
+              y: 0
+            };
+            start = {
+              x: 0,
+              y: 0
+            };
+            end = {
+              x: 0,
+              y: 0
+            };
             var coords = element.getAttribute('points');
             var commaIndex = coords.indexOf(',');
+
             if (commaIndex >= 0) {
               keep = coords.indexOf(',', commaIndex + 1) >= 0;
             } else {
               keep = coords.indexOf(' ', coords.indexOf(' ') + 1) >= 0;
             }
+
             if (keep) {
               element = pathActions$$1.smoothPolylineIntoPath(element);
             }
+
             break;
+
           case 'line':
             attrs = $$9(element).attr(['x1', 'x2', 'y1', 'y2']);
             keep = attrs.x1 !== attrs.x2 || attrs.y1 !== attrs.y2;
             break;
+
           case 'foreignObject':
           case 'square':
           case 'rect':
           case 'image':
-            attrs = $$9(element).attr(['width', 'height']);
-            // Image should be kept regardless of size (use inherit dimensions later)
+            attrs = $$9(element).attr(['width', 'height']); // Image should be kept regardless of size (use inherit dimensions later)
+
             keep = attrs.width || attrs.height || currentMode === 'image';
             break;
+
           case 'circle':
             keep = element.getAttribute('r') !== '0';
             break;
+
           case 'ellipse':
             attrs = $$9(element).attr(['rx', 'ry']);
             keep = attrs.rx || attrs.ry;
             break;
+
           case 'fhellipse':
             if (freehand.maxx - freehand.minx > 0 && freehand.maxy - freehand.miny > 0) {
               element = addSVGElementFromJson({
@@ -15068,7 +16151,9 @@
               call('changed', [element]);
               keep = true;
             }
+
             break;
+
           case 'fhrect':
             if (freehand.maxx - freehand.minx > 0 && freehand.maxy - freehand.miny > 0) {
               element = addSVGElementFromJson({
@@ -15085,50 +16170,56 @@
               call('changed', [element]);
               keep = true;
             }
+
             break;
+
           case 'text':
             keep = true;
             selectOnly([element]);
             textActions.start(element);
             break;
+
           case 'path':
             // set element to null here so that it is not removed nor finalized
-            element = null;
-            // continue to be set to true so that mouseMove happens
-            started = true;
+            element = null; // continue to be set to true so that mouseMove happens
 
+            started = true;
             var res = pathActions$$1.mouseUp(evt, element, mouseX, mouseY);
             element = res.element;
             keep = res.keep;
-
             break;
+
           case 'pathedit':
             keep = true;
             element = null;
             pathActions$$1.mouseUp(evt);
             break;
+
           case 'textedit':
             keep = false;
             element = null;
             textActions.mouseUp(evt, mouseX, mouseY);
             break;
+
           case 'rotate':
             keep = true;
             element = null;
             currentMode = 'select';
             var batchCmd = canvas.undoMgr.finishUndoableChange();
+
             if (!batchCmd.isEmpty()) {
               addCommandToHistory(batchCmd);
-            }
-            // perform recalculation to weed out any stray identity transforms that might get stuck
+            } // perform recalculation to weed out any stray identity transforms that might get stuck
+
+
             recalculateAllSelectedDimensions();
             call('changed', selectedElements);
             break;
+
           default:
             // This could occur in an extension
             break;
         }
-
         /**
         * The main (left) mouse button is released (anywhere)
         * @event module:svgcanvas.SvgCanvas#event:ext-mouseUp
@@ -15137,17 +16228,19 @@
         * @property {Float} mouse_x x coordinate on canvas
         * @property {Float} mouse_y y coordinate on canvas
         */
-        var extResult = runExtensions('mouseUp', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseUp} */{
+
+
+        var extResult = runExtensions('mouseUp',
+        /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseUp} */
+        {
           event: evt,
           mouse_x: mouseX,
           mouse_y: mouseY
         }, true);
-
         $$9.each(extResult, function (i, r) {
           if (r) {
             keep = r.keep || keep;
             element = r.element;
-
             started = r.started || started;
           }
         });
@@ -15156,18 +16249,17 @@
           getCurrentDrawing().releaseId(getId());
           element.remove();
           element = null;
-
-          t = evt.target;
-
-          // if this element is in a group, go up until we reach the top-level group
+          t = evt.target; // if this element is in a group, go up until we reach the top-level group
           // just below the layer groups
           // TODO: once we implement links, we also would have to check for <a> elements
+
           while (t && t.parentNode && t.parentNode.parentNode && t.parentNode.parentNode.tagName === 'g') {
             t = t.parentNode;
-          }
-          // if we are not in the middle of creating a path, and we've clicked on some shape,
+          } // if we are not in the middle of creating a path, and we've clicked on some shape,
           // then go to Select mode.
           // WebKit returns <div> when the canvas is clicked, Firefox/Opera return <svg>
+
+
           if ((currentMode !== 'path' || !drawnPath) && t && t.parentNode && t.parentNode.id !== 'selectorParentGroup' && t.id !== 'svgcanvas' && t.id !== 'svgroot') {
             // switch into "select" mode if we've clicked on an element
             canvas.setMode('select');
@@ -15181,38 +16273,42 @@
           canvas.addedNew = true;
 
           var aniDur = 0.2;
-          var cAni = void 0;
+          var cAni;
+
           if (opacAni.beginElement && parseFloat(element.getAttribute('opacity')) !== curShape.opacity) {
             cAni = $$9(opacAni).clone().attr({
               to: curShape.opacity,
               dur: aniDur
             }).appendTo(element);
+
             try {
               // Fails in FF4 on foreignObject
               cAni[0].beginElement();
             } catch (e) {}
           } else {
             aniDur = 0;
-          }
-
-          // Ideally this would be done on the endEvent of the animation,
+          } // Ideally this would be done on the endEvent of the animation,
           // but that doesn't seem to be supported in Webkit
+
+
           setTimeout(function () {
             if (cAni) {
               cAni.remove();
             }
+
             element.setAttribute('opacity', curShape.opacity);
             element.setAttribute('style', 'pointer-events:inherit');
             cleanupElement(element);
+
             if (currentMode === 'path') {
               pathActions$$1.toEditMode(element);
             } else if (curConfig.selectNew) {
               selectOnly([element], true);
-            }
-            // we create the insert command that is stored on the stack
+            } // we create the insert command that is stored on the stack
             // undo means to call cmd.unapply(), redo means to call cmd.apply()
-            addCommandToHistory(new InsertElementCommand$1(element));
 
+
+            addCommandToHistory(new InsertElementCommand$1(element));
             call('changed', [element]);
           }, aniDur * 1000);
         }
@@ -15222,9 +16318,8 @@
 
       var dblClick = function dblClick(evt) {
         var evtTarget = evt.target;
-        var parent = evtTarget.parentNode;
+        var parent = evtTarget.parentNode; // Do nothing if already in current group
 
-        // Do nothing if already in current group
         if (parent === currentGroup) {
           return;
         }
@@ -15233,7 +16328,6 @@
         var _mouseTarget = mouseTarget,
             tagName = _mouseTarget.tagName;
 
-
         if (tagName === 'text' && currentMode !== 'textedit') {
           var pt = transformPoint(evt.pageX, evt.pageY, rootSctm);
           textActions.select(mouseTarget, pt.x, pt.y);
@@ -15242,13 +16336,13 @@
         if ((tagName === 'g' || tagName === 'a') && getRotationAngle(mouseTarget)) {
           // TODO: Allow method of in-group editing without having to do
           // this (similar to editing rotated paths)
-
           // Ungroup and regroup
           pushGroupProperties(mouseTarget);
           mouseTarget = selectedElements[0];
           clearSelection(true);
-        }
-        // Reset context
+        } // Reset context
+
+
         if (currentGroup) {
           leaveContext();
         }
@@ -15257,21 +16351,21 @@
           // Escape from in-group edit
           return;
         }
-        setContext(mouseTarget);
-      };
 
-      // prevent links from being followed in the canvas
+        setContext(mouseTarget);
+      }; // prevent links from being followed in the canvas
+
+
       var handleLinkInCanvas = function handleLinkInCanvas(e) {
         e.preventDefault();
         return false;
-      };
-
-      // Added mouseup to the container here.
+      }; // Added mouseup to the container here.
       // TODO(codedread): Figure out why after the Closure compiler, the window mouseup is ignored.
-      $$9(container).mousedown(mouseDown).mousemove(mouseMove).click(handleLinkInCanvas).dblclick(dblClick).mouseup(mouseUp);
-      // $(window).mouseup(mouseUp);
 
+
+      $$9(container).mousedown(mouseDown).mousemove(mouseMove).click(handleLinkInCanvas).dblclick(dblClick).mouseup(mouseUp); // $(window).mouseup(mouseUp);
       // TODO(rafaelcastrocouto): User preference for shift key and zoom factor
+
       $$9(container).bind('mousewheel DOMMouseScroll',
       /**
        * @param {Event} e
@@ -15286,42 +16380,34 @@
 
         e.preventDefault();
         var evt = e.originalEvent;
-
         rootSctm = $$9('#svgcontent g')[0].getScreenCTM().inverse();
-
         var workarea = $$9('#workarea');
         var scrbar = 15;
-        var rulerwidth = curConfig.showRulers ? 16 : 0;
+        var rulerwidth = curConfig.showRulers ? 16 : 0; // mouse relative to content area in content pixels
 
-        // mouse relative to content area in content pixels
-        var pt = transformPoint(evt.pageX, evt.pageY, rootSctm);
+        var pt = transformPoint(evt.pageX, evt.pageY, rootSctm); // full work area width in screen pixels
 
-        // full work area width in screen pixels
         var editorFullW = workarea.width();
-        var editorFullH = workarea.height();
+        var editorFullH = workarea.height(); // work area width minus scroll and ruler in screen pixels
 
-        // work area width minus scroll and ruler in screen pixels
         var editorW = editorFullW - scrbar - rulerwidth;
-        var editorH = editorFullH - scrbar - rulerwidth;
+        var editorH = editorFullH - scrbar - rulerwidth; // work area width in content pixels
 
-        // work area width in content pixels
         var workareaViewW = editorW * rootSctm.a;
-        var workareaViewH = editorH * rootSctm.d;
+        var workareaViewH = editorH * rootSctm.d; // content offset from canvas in screen pixels
 
-        // content offset from canvas in screen pixels
         var wOffset = workarea.offset();
         var wOffsetLeft = wOffset['left'] + rulerwidth;
         var wOffsetTop = wOffset['top'] + rulerwidth;
-
         var delta = evt.wheelDelta ? evt.wheelDelta : evt.detail ? -evt.detail : 0;
+
         if (!delta) {
           return;
         }
 
         var factor = Math.max(3 / 4, Math.min(4 / 3, delta));
+        var wZoom, hZoom;
 
-        var wZoom = void 0,
-            hZoom = void 0;
         if (factor > 1) {
           wZoom = Math.ceil(editorW / workareaViewW * factor * 100) / 100;
           hZoom = Math.ceil(editorH / workareaViewH * factor * 100) / 100;
@@ -15329,60 +16415,61 @@
           wZoom = Math.floor(editorW / workareaViewW * factor * 100) / 100;
           hZoom = Math.floor(editorH / workareaViewH * factor * 100) / 100;
         }
+
         var zoomlevel = Math.min(wZoom, hZoom);
         zoomlevel = Math.min(10, Math.max(0.01, zoomlevel));
+
         if (zoomlevel === currentZoom) {
           return;
         }
-        factor = zoomlevel / currentZoom;
 
-        // top left of workarea in content pixels before zoom
-        var topLeftOld = transformPoint(wOffsetLeft, wOffsetTop, rootSctm);
+        factor = zoomlevel / currentZoom; // top left of workarea in content pixels before zoom
+
+        var topLeftOld = transformPoint(wOffsetLeft, wOffsetTop, rootSctm); // top left of workarea in content pixels after zoom
 
-        // top left of workarea in content pixels after zoom
         var topLeftNew = {
           x: pt.x - (pt.x - topLeftOld.x) / factor,
           y: pt.y - (pt.y - topLeftOld.y) / factor
-        };
+        }; // top left of workarea in canvas pixels relative to content after zoom
 
-        // top left of workarea in canvas pixels relative to content after zoom
         var topLeftNewCanvas = {
           x: topLeftNew.x * zoomlevel,
           y: topLeftNew.y * zoomlevel
-        };
+        }; // new center in canvas pixels
 
-        // new center in canvas pixels
         var newCtr = {
           x: topLeftNewCanvas.x - rulerwidth + editorFullW / 2,
           y: topLeftNewCanvas.y - rulerwidth + editorFullH / 2
         };
-
         canvas.setZoom(zoomlevel);
         $$9('#zoom').val((zoomlevel * 100).toFixed(1));
-
-        call('updateCanvas', { center: false, newCtr: newCtr });
+        call('updateCanvas', {
+          center: false,
+          newCtr: newCtr
+        });
         call('zoomDone');
       });
     })();
-
     /**
     * Group: Text edit functions
     * Functions relating to editing text elements
     * @namespace {PlainObject} textActions
     * @memberof module:svgcanvas.SvgCanvas#
     */
+
+
     var textActions = canvas.textActions = function () {
-      var curtext = void 0;
-      var textinput = void 0;
-      var cursor = void 0;
-      var selblock = void 0;
-      var blinker = void 0;
+      var curtext;
+      var textinput;
+      var cursor;
+      var selblock;
+      var blinker;
       var chardata = [];
-      var textbb = void 0; // , transbb;
-      var matrix = void 0;
-      var lastX = void 0,
-          lastY = void 0;
-      var allowDbl = void 0;
+      var textbb; // , transbb;
+
+      var matrix;
+      var lastX, lastY;
+      var allowDbl;
 
       function setCursor(index) {
         var empty = textinput.value === '';
@@ -15395,15 +16482,19 @@
             if (textinput.selectionEnd !== textinput.selectionStart) {
               return;
             }
+
             index = textinput.selectionEnd;
           }
         }
 
         var charbb = chardata[index];
+
         if (!empty) {
           textinput.setSelectionRange(index, index);
         }
+
         cursor = getElem('text_cursor');
+
         if (!cursor) {
           cursor = document.createElementNS(NS.SVG, 'line');
           assignAttributes(cursor, {
@@ -15423,7 +16514,6 @@
 
         var startPt = ptToScreen(charbb.x, textbb.y);
         var endPt = ptToScreen(charbb.x, textbb.y + textbb.height);
-
         assignAttributes(cursor, {
           x1: startPt.x,
           y1: startPt.y,
@@ -15449,6 +16539,7 @@
         }
 
         selblock = getElem('text_selectblock');
+
         if (!selblock) {
           selblock = document.createElementNS(NS.SVG, 'path');
           assignAttributes(selblock, {
@@ -15462,16 +16553,12 @@
 
         var startbb = chardata[start];
         var endbb = chardata[end];
-
         cursor.setAttribute('visibility', 'hidden');
-
         var tl = ptToScreen(startbb.x, textbb.y),
             tr = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y),
             bl = ptToScreen(startbb.x, textbb.y + textbb.height),
             br = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y + textbb.height);
-
         var dstr = 'M' + tl.x + ',' + tl.y + ' L' + tr.x + ',' + tr.y + ' ' + br.x + ',' + br.y + ' ' + bl.x + ',' + bl.y + 'z';
-
         assignAttributes(selblock, {
           d: dstr,
           display: 'inline'
@@ -15482,28 +16569,33 @@
         // Position cursor here
         var pt = svgroot.createSVGPoint();
         pt.x = mouseX;
-        pt.y = mouseY;
+        pt.y = mouseY; // No content, so return 0
 
-        // No content, so return 0
         if (chardata.length === 1) {
           return 0;
-        }
-        // Determine if cursor should be on left or right of character
+        } // Determine if cursor should be on left or right of character
+
+
         var charpos = curtext.getCharNumAtPosition(pt);
+
         if (charpos < 0) {
           // Out of text range, look at mouse coords
           charpos = chardata.length - 2;
+
           if (mouseX <= chardata[0].x) {
             charpos = 0;
           }
         } else if (charpos >= chardata.length - 2) {
           charpos = chardata.length - 2;
         }
+
         var charbb = chardata[charpos];
         var mid = charbb.x + charbb.width / 2;
+
         if (mouseX > mid) {
           charpos++;
         }
+
         return charpos;
       }
 
@@ -15514,7 +16606,6 @@
       function setEndSelectionFromPoint(x, y, apply) {
         var i1 = textinput.selectionStart;
         var i2 = getIndexFromPoint(x, y);
-
         var start = Math.min(i1, i2);
         var end = Math.max(i1, i2);
         setSelection(start, end, !apply);
@@ -15525,7 +16616,6 @@
           x: xIn,
           y: yIn
         };
-
         out.x /= currentZoom;
         out.y /= currentZoom;
 
@@ -15552,10 +16642,8 @@
 
         out.x *= currentZoom;
         out.y *= currentZoom;
-
         return out;
       }
-
       /*
       // Not currently in use
       function hideCursor () {
@@ -15565,6 +16653,7 @@
       }
       */
 
+
       function selectAll(evt) {
         setSelection(0, curtext.textContent.length);
         $$9(this).unbind(evt);
@@ -15579,22 +16668,22 @@
             mouseX = ept.x * currentZoom,
             mouseY = ept.y * currentZoom;
         var pt = screenToPt(mouseX, mouseY);
-
         var index = getIndexFromPoint(pt.x, pt.y);
         var str = curtext.textContent;
         var first = str.substr(0, index).replace(/[a-z0-9]+$/i, '').length;
         var m = str.substr(index).match(/^[a-z0-9]+/i);
         var last = (m ? m[0].length : 0) + index;
-        setSelection(first, last);
+        setSelection(first, last); // Set tripleclick
 
-        // Set tripleclick
         $$9(evt.target).click(selectAll);
         setTimeout(function () {
           $$9(evt.target).unbind('click', selectAll);
         }, 300);
       }
 
-      return (/** @lends module:svgcanvas.SvgCanvas#textActions */{
+      return (
+        /** @lends module:svgcanvas.SvgCanvas#textActions */
+        {
           /**
           * @param {Element} target
           * @param {Float} x
@@ -15624,13 +16713,10 @@
           */
           mouseDown: function mouseDown(evt, mouseTarget, startX, startY) {
             var pt = screenToPt(startX, startY);
-
             textinput.focus();
             setCursorFromPoint(pt.x, pt.y);
             lastX = startX;
-            lastY = startY;
-
-            // TODO: Find way to block native selection
+            lastY = startY; // TODO: Find way to block native selection
           },
 
           /**
@@ -15651,10 +16737,7 @@
           */
           mouseUp: function mouseUp(evt, mouseX, mouseY) {
             var pt = screenToPt(mouseX, mouseY);
-
-            setEndSelectionFromPoint(pt.x, pt.y, true);
-
-            // TODO: Find a way to make this work: Use transformed BBox instead of evt.target
+            setEndSelectionFromPoint(pt.x, pt.y, true); // TODO: Find a way to make this work: Use transformed BBox instead of evt.target
             // if (lastX === mouseX && lastY === mouseY
             //   && !rectsIntersect(transbb, {x: pt.x, y: pt.y, width: 0, height: 0})) {
             //   textActions.toSelectMode(true);
@@ -15671,6 +16754,7 @@
           * @returns {undefined}
           */
           setCursor: setCursor,
+
           /**
           * @param {Float} x
           * @param {Float} y
@@ -15679,16 +16763,15 @@
           toEditMode: function toEditMode(x, y) {
             allowDbl = false;
             currentMode = 'textedit';
-            selectorManager.requestSelector(curtext).showGrips(false);
-            // Make selector group accept clicks
-            /* const selector = */selectorManager.requestSelector(curtext); // Do we need this? Has side effect of setting lock, so keeping for now, but next line wasn't being used
+            selectorManager.requestSelector(curtext).showGrips(false); // Make selector group accept clicks
+
+            /* const selector = */
+
+            selectorManager.requestSelector(curtext); // Do we need this? Has side effect of setting lock, so keeping for now, but next line wasn't being used
             // const sel = selector.selectorRect;
 
             textActions.init();
-
-            $$9(curtext).css('cursor', 'text');
-
-            // if (supportsEditableText()) {
+            $$9(curtext).css('cursor', 'text'); // if (supportsEditableText()) {
             //   curtext.setAttribute('editable', 'simple');
             //   return;
             // }
@@ -15714,31 +16797,31 @@
             currentMode = 'select';
             clearInterval(blinker);
             blinker = null;
+
             if (selblock) {
               $$9(selblock).attr('display', 'none');
             }
+
             if (cursor) {
               $$9(cursor).attr('visibility', 'hidden');
             }
+
             $$9(curtext).css('cursor', 'move');
 
             if (selectElem) {
               clearSelection();
               $$9(curtext).css('cursor', 'move');
-
               call('selected', [curtext]);
               addToSelection([curtext], true);
             }
+
             if (curtext && !curtext.textContent.length) {
               // No content, so delete
               canvas.deleteSelectedElements();
             }
 
             $$9(textinput).blur();
-
-            curtext = false;
-
-            // if (supportsEditableText()) {
+            curtext = false; // if (supportsEditableText()) {
             //   curtext.removeAttribute('editable');
             // }
           },
@@ -15748,8 +16831,7 @@
           * @returns {undefined}
           */
           setInputElem: function setInputElem(elem) {
-            textinput = elem;
-            // $(textinput).blur(hideCursor);
+            textinput = elem; // $(textinput).blur(hideCursor);
           },
 
           /**
@@ -15769,9 +16851,8 @@
             if (!curtext) {
               return;
             }
-            var i = void 0,
-                end = void 0;
-            // if (supportsEditableText()) {
+
+            var i, end; // if (supportsEditableText()) {
             //   curtext.select();
             //   return;
             // }
@@ -15784,21 +16865,19 @@
 
             var str = curtext.textContent;
             var len = str.length;
-
             var xform = curtext.getAttribute('transform');
-
             textbb = getBBox(curtext);
-
             matrix = xform ? getMatrix(curtext) : null;
-
             chardata = [];
             chardata.length = len;
             textinput.focus();
-
             $$9(curtext).unbind('dblclick', selectWord).dblclick(selectWord);
 
             if (!len) {
-              end = { x: textbb.x + textbb.width / 2, width: 0 };
+              end = {
+                x: textbb.x + textbb.width / 2,
+                width: 0
+              };
             }
 
             for (i = 0; i < len; i++) {
@@ -15809,24 +16888,23 @@
                 var offset = canvas.contentW * currentZoom;
                 start.x -= offset;
                 end.x -= offset;
-
                 start.x /= currentZoom;
                 end.x /= currentZoom;
-              }
-
-              // Get a "bbox" equivalent for each character. Uses the
+              } // Get a "bbox" equivalent for each character. Uses the
               // bbox data of the actual text for y, height purposes
-
               // TODO: Decide if y, width and height are actually necessary
+
+
               chardata[i] = {
                 x: start.x,
-                y: textbb.y, // start.y?
+                y: textbb.y,
+                // start.y?
                 width: end.x - start.x,
                 height: textbb.height
               };
-            }
+            } // Add a last bbox for cursor at end of text
+
 
-            // Add a last bbox for cursor at end of text
             chardata.push({
               x: end.x,
               width: 0
@@ -15836,7 +16914,6 @@
         }
       );
     }();
-
     /**
     * Group: Serialization
     */
@@ -15847,35 +16924,38 @@
     * @function module:svgcanvas.SvgCanvas#removeUnusedDefElems
     * @returns {Integer} The number of elements that were removed
     */
+
+
     var removeUnusedDefElems = this.removeUnusedDefElems = function () {
       var defs = svgcontent.getElementsByTagNameNS(NS.SVG, 'defs');
+
       if (!defs || !defs.length) {
         return 0;
-      }
+      } // if (!defs.firstChild) { return; }
 
-      // if (!defs.firstChild) { return; }
 
       var defelemUses = [];
       var numRemoved = 0;
       var attrs = ['fill', 'stroke', 'filter', 'marker-start', 'marker-mid', 'marker-end'];
       var alen = attrs.length;
-
       var allEls = svgcontent.getElementsByTagNameNS(NS.SVG, '*');
       var allLen = allEls.length;
+      var i, j;
 
-      var i = void 0,
-          j = void 0;
       for (i = 0; i < allLen; i++) {
         var el = allEls[i];
+
         for (j = 0; j < alen; j++) {
           var ref = getUrlFromAttr(el.getAttribute(attrs[j]));
+
           if (ref) {
             defelemUses.push(ref.substr(1));
           }
-        }
+        } // gradients can refer to other gradients
+
 
-        // gradients can refer to other gradients
         var href = getHref(el);
+
         if (href && href.startsWith('#')) {
           defelemUses.push(href.substr(1));
         }
@@ -15883,6 +16963,7 @@
 
       var defelems = $$9(defs).find('linearGradient, radialGradient, filter, marker, svg, symbol');
       i = defelems.length;
+
       while (i--) {
         var defelem = defelems[i];
         var id = defelem.id;
@@ -15897,52 +16978,51 @@
 
       return numRemoved;
     };
-
     /**
     * Main function to set up the SVG content for output
     * @function module:svgcanvas.SvgCanvas#svgCanvasToString
     * @returns {string} The SVG image for output
     */
+
+
     this.svgCanvasToString = function () {
       // keep calling it until there are none to remove
       while (removeUnusedDefElems() > 0) {}
 
-      pathActions$$1.clear(true);
+      pathActions$$1.clear(true); // Keep SVG-Edit comment on top
 
-      // Keep SVG-Edit comment on top
       $$9.each(svgcontent.childNodes, function (i, node) {
         if (i && node.nodeType === 8 && node.data.includes('Created with')) {
           svgcontent.firstChild.before(node);
         }
-      });
+      }); // Move out of in-group editing mode
 
-      // Move out of in-group editing mode
       if (currentGroup) {
         leaveContext();
         selectOnly([currentGroup]);
       }
 
-      var nakedSvgs = [];
+      var nakedSvgs = []; // Unwrap gsvg if it has no special attributes (only id and style)
 
-      // Unwrap gsvg if it has no special attributes (only id and style)
       $$9(svgcontent).find('g:data(gsvg)').each(function () {
         var attrs = this.attributes;
         var len = attrs.length;
+
         for (var i = 0; i < len; i++) {
           if (attrs[i].nodeName === 'id' || attrs[i].nodeName === 'style') {
             len--;
           }
-        }
-        // No significant attributes, so ungroup
+        } // No significant attributes, so ungroup
+
+
         if (len <= 0) {
           var svg = this.firstChild;
           nakedSvgs.push(svg);
           $$9(this).replaceWith(svg);
         }
       });
-      var output = this.svgToString(svgcontent, 0);
+      var output = this.svgToString(svgcontent, 0); // Rewrap gsvg
 
-      // Rewrap gsvg
       if (nakedSvgs.length) {
         $$9(nakedSvgs).each(function () {
           groupSvgElem(this);
@@ -15951,7 +17031,6 @@
 
       return output;
     };
-
     /**
     * Sub function ran on each SVG element to convert it to a string as desired
     * @function module:svgcanvas.SvgCanvas#svgToString
@@ -15959,6 +17038,8 @@
     * @param {Integer} indent - Number of spaces to indent this tag
     * @returns {string} The given element as an SVG tag
     */
+
+
     this.svgToString = function (elem, indent) {
       var out = [];
       var unit = curConfig.baseUnit;
@@ -15967,7 +17048,7 @@
       if (elem) {
         cleanupElement(elem);
         var attrs = Array.from(elem.attributes);
-        var i = void 0;
+        var i;
         var childs = elem.childNodes;
         attrs.sort(function (a, b) {
           return a.name > b.name ? -1 : 1;
@@ -15976,13 +17057,14 @@
         for (i = 0; i < indent; i++) {
           out.push(' ');
         }
-        out.push('<');out.push(elem.nodeName);
+
+        out.push('<');
+        out.push(elem.nodeName);
+
         if (elem.id === 'svgcontent') {
           // Process root element separately
           var res = getResolution();
-
-          var vb = '';
-          // TODO: Allow this by dividing all values by current baseVal
+          var vb = ''; // TODO: Allow this by dividing all values by current baseVal
           // Note that this also means we should properly deal with this on import
           // if (curConfig.baseUnit !== 'px') {
           //   const unit = curConfig.baseUnit;
@@ -16000,14 +17082,13 @@
           }
 
           out.push(' width="' + res.w + '" height="' + res.h + '"' + vb + ' xmlns="' + NS.SVG + '"');
+          var nsuris = {}; // Check elements for namespaces, add if found
 
-          var nsuris = {};
-
-          // Check elements for namespaces, add if found
           $$9(elem).find('*').andSelf().each(function () {
             // const el = this;
             // for some elements have no attribute
             var uri = this.namespaceURI;
+
             if (uri && !nsuris[uri] && nsMap[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {
               nsuris[uri] = true;
               out.push(' xmlns:' + nsMap[uri] + '="' + uri + '"');
@@ -16015,30 +17096,32 @@
 
             $$9.each(this.attributes, function (i, attr) {
               var uri = attr.namespaceURI;
+
               if (uri && !nsuris[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {
                 nsuris[uri] = true;
                 out.push(' xmlns:' + nsMap[uri] + '="' + uri + '"');
               }
             });
           });
-
           i = attrs.length;
           var attrNames = ['width', 'height', 'xmlns', 'x', 'y', 'viewBox', 'id', 'overflow'];
+
           while (i--) {
             var attr = attrs[i];
-            var attrVal = toXml(attr.value);
+            var attrVal = toXml(attr.value); // Namespaces have already been dealt with, so skip
 
-            // Namespaces have already been dealt with, so skip
             if (attr.nodeName.startsWith('xmlns:')) {
               continue;
-            }
+            } // only serialize attributes we don't use internally
+
 
-            // only serialize attributes we don't use internally
             if (attrVal !== '' && !attrNames.includes(attr.localName)) {
               if (!attr.namespaceURI || nsMap[attr.namespaceURI]) {
                 out.push(' ');
-                out.push(attr.nodeName);out.push('="');
-                out.push(attrVal);out.push('"');
+                out.push(attr.nodeName);
+                out.push('="');
+                out.push(attrVal);
+                out.push('"');
               }
             }
           }
@@ -16049,43 +17132,54 @@
           }
 
           var mozAttrs = ['-moz-math-font-style', '_moz-math-font-style'];
+
           for (i = attrs.length - 1; i >= 0; i--) {
             var _attr = attrs[i];
-            var _attrVal = toXml(_attr.value);
-            // remove bogus attributes added by Gecko
+
+            var _attrVal = toXml(_attr.value); // remove bogus attributes added by Gecko
+
+
             if (mozAttrs.includes(_attr.localName)) {
               continue;
             }
+
             if (_attrVal !== '') {
               if (_attrVal.startsWith('pointer-events')) {
                 continue;
               }
+
               if (_attr.localName === 'class' && _attrVal.startsWith('se_')) {
                 continue;
               }
+
               out.push(' ');
+
               if (_attr.localName === 'd') {
                 _attrVal = pathActions$$1.convertPath(elem, true);
               }
+
               if (!isNaN(_attrVal)) {
                 _attrVal = shortFloat(_attrVal);
               } else if (unitRe.test(_attrVal)) {
                 _attrVal = shortFloat(_attrVal) + unit;
-              }
+              } // Embed images when saving
+
 
-              // Embed images when saving
               if (saveOptions.apply && elem.nodeName === 'image' && _attr.localName === 'href' && saveOptions.images && saveOptions.images === 'embed') {
                 var img = encodableImages[_attrVal];
+
                 if (img) {
                   _attrVal = img;
                 }
-              }
-
-              // map various namespaces to our fixed namespace prefixes
+              } // map various namespaces to our fixed namespace prefixes
               // (the default xmlns attribute itself does not get a prefix)
+
+
               if (!_attr.namespaceURI || _attr.namespaceURI === NS.SVG || nsMap[_attr.namespaceURI]) {
-                out.push(_attr.nodeName);out.push('="');
-                out.push(_attrVal);out.push('"');
+                out.push(_attr.nodeName);
+                out.push('="');
+                out.push(_attrVal);
+                out.push('"');
               }
             }
           }
@@ -16098,20 +17192,25 @@
 
           for (i = 0; i < childs.length; i++) {
             var child = childs.item(i);
+
             switch (child.nodeType) {
               case 1:
                 // element node
                 out.push('\n');
                 out.push(this.svgToString(childs.item(i), indent));
                 break;
+
               case 3:
                 // text node
                 var str = child.nodeValue.replace(/^\s+|\s+$/g, '');
+
                 if (str !== '') {
                   bOneLine = true;
                   out.push(String(toXml(str)));
                 }
+
                 break;
+
               case 4:
                 // cdata node
                 out.push('\n');
@@ -16120,6 +17219,7 @@
                 out.push(child.nodeValue);
                 out.push(']]>');
                 break;
+
               case 8:
                 // comment
                 out.push('\n');
@@ -16129,19 +17229,27 @@
                 out.push('-->');
                 break;
             } // switch on node type
+
           }
+
           indent--;
+
           if (!bOneLine) {
             out.push('\n');
+
             for (i = 0; i < indent; i++) {
               out.push(' ');
             }
           }
-          out.push('</');out.push(elem.nodeName);out.push('>');
+
+          out.push('</');
+          out.push(elem.nodeName);
+          out.push('>');
         } else {
           out.push('/>');
         }
       }
+
       return out.join('');
     }; // end svgToString()
 
@@ -16151,6 +17259,7 @@
      * @param {string|false} result Data URL
      * @returns {undefined}
      */
+
     /**
     * Converts a given image file to a data URL when possible, then runs a given callback
     * @function module:svgcanvas.SvgCanvas#embedImage
@@ -16158,6 +17267,8 @@
     * @param {module:svgcanvas.ImageEmbeddedCallback} [callback] - Function to run when image data is found
     * @returns {Promise} Resolves to Data URL (string|false)
     */
+
+
     this.embedImage = function (src, callback) {
       return new Promise(function (resolve, reject) {
         // load in the image and once it's loaded, get the dimensions
@@ -16165,14 +17276,15 @@
           if (status === 'error') {
             reject(new Error('Error loading image: ' + xhr.status + ' ' + xhr.statusText));
             return;
-          }
-          // create a canvas the same size as the raster image
+          } // create a canvas the same size as the raster image
+
+
           var cvs = document.createElement('canvas');
           cvs.width = this.width;
-          cvs.height = this.height;
-          // load the raster image into the canvas
-          cvs.getContext('2d').drawImage(this, 0, 0);
-          // retrieve the data: URL
+          cvs.height = this.height; // load the raster image into the canvas
+
+          cvs.getContext('2d').drawImage(this, 0, 0); // retrieve the data: URL
+
           try {
             var urldata = ';svgedit_url=' + encodeURIComponent(src);
             urldata = cvs.toDataURL().replace(';base64', urldata + ';base64');
@@ -16180,32 +17292,36 @@
           } catch (e) {
             encodableImages[src] = false;
           }
+
           lastGoodImgUrl = src;
+
           if (callback) {
             callback(encodableImages[src]);
           }
+
           resolve(encodableImages[src]);
         }).attr('src', src);
       });
     };
-
     /**
     * Sets a given URL to be a "last good image" URL
     * @function module:svgcanvas.SvgCanvas#setGoodImage
     * @param {string} val
     * @returns {undefined}
     */
+
+
     this.setGoodImage = function (val) {
       lastGoodImgUrl = val;
     };
-
     /**
     * Does nothing by default, handled by optional widget/extension
     * @function module:svgcanvas.SvgCanvas#open
     * @returns {undefined}
     */
-    this.open = function () {};
 
+
+    this.open = function () {};
     /**
     * Serializes the current drawing into SVG XML text and passes it to the 'saved' handler.
     * This function also includes the XML prolog. Clients of the `SvgCanvas` bind their save
@@ -16215,40 +17331,40 @@
     * @fires module:svgcanvas.SvgCanvas#event:saved
     * @returns {undefined}
     */
+
+
     this.save = function (opts) {
       // remove the selected outline before serializing
-      clearSelection();
-      // Update save options if provided
+      clearSelection(); // Update save options if provided
+
       if (opts) {
         $$9.extend(saveOptions, opts);
       }
-      saveOptions.apply = true;
 
-      // no need for doctype, see https://jwatt.org/svg/authoring/#doctype-declaration
+      saveOptions.apply = true; // no need for doctype, see https://jwatt.org/svg/authoring/#doctype-declaration
+
       var str = this.svgCanvasToString();
       call('saved', str);
     };
-
     /**
     * Codes only is useful for locale-independent detection
     */
+
+
     function getIssues() {
       // remove the selected outline before serializing
-      clearSelection();
+      clearSelection(); // Check for known CanVG issues
 
-      // Check for known CanVG issues
       var issues = [];
-      var issueCodes = [];
+      var issueCodes = []; // Selector and notice
 
-      // Selector and notice
       var issueList = {
         feGaussianBlur: uiStrings.exportNoBlur,
         foreignObject: uiStrings.exportNoforeignObject,
         '[stroke-dasharray]': uiStrings.exportNoDashArray
       };
-      var content = $$9(svgcontent);
+      var content = $$9(svgcontent); // Add font/text check if Canvas Text API is not implemented
 
-      // Add font/text check if Canvas Text API is not implemented
       if (!('font' in $$9('<canvas>')[0].getContext('2d'))) {
         issueList.text = uiStrings.exportNoText;
       }
@@ -16259,13 +17375,17 @@
           issues.push(descr);
         }
       });
-      return { issues: issues, issueCodes: issueCodes };
+      return {
+        issues: issues,
+        issueCodes: issueCodes
+      };
     }
 
-    var canvg = void 0;
+    var canvg;
     /**
     * @typedef {"feGaussianBlur"|"foreignObject"|"[stroke-dasharray]"|"text"} module:svgcanvas.IssueCode
     */
+
     /**
     * @typedef {PlainObject} module:svgcanvas.ImageExportedResults
     * @property {string} datauri Contents as a Data URL
@@ -16285,6 +17405,7 @@
      * @param {module:svgcanvas.ImageExportedResults} obj
      * @returns {undefined}
      */
+
     /**
     * Generates a PNG (or JPG, BMP, WEBP) Data URL based on the current image,
     * then calls "exported" with an object including the string, image
@@ -16298,9 +17419,8 @@
     * @todo Confirm/fix ICO type
     * @returns {Promise} Resolves to {@link module:svgcanvas.ImageExportedResults}
     */
-    this.rasterExport = function (imgType, quality, exportWindowName, cb) {
-      var _this = this;
 
+    this.rasterExport = function (imgType, quality, exportWindowName, cb) {
       var type = imgType === 'ICO' ? 'BMP' : imgType || 'PNG';
       var mimeType = 'image/' + type.toLowerCase();
 
@@ -16309,24 +17429,36 @@
           issueCodes = _getIssues.issueCodes;
 
       var svg = this.svgCanvasToString();
-
-      return new Promise(function () {
-        var _ref4 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(resolve, reject) {
+      return new Promise(
+      /*#__PURE__*/
+      function () {
+        var _ref4 = _asyncToGenerator(
+        /*#__PURE__*/
+        regeneratorRuntime.mark(function _callee2(resolve, reject) {
           var _ref5, c, dataURLType, datauri, bloburl, done;
 
           return regeneratorRuntime.wrap(function _callee2$(_context2) {
             while (1) {
               switch (_context2.prev = _context2.next) {
                 case 0:
-                  done = function done() {
+                  done = function _ref6() {
                     var obj = {
-                      datauri: datauri, bloburl: bloburl, svg: svg, issues: issues, issueCodes: issueCodes, type: imgType,
-                      mimeType: mimeType, quality: quality, exportWindowName: exportWindowName
+                      datauri: datauri,
+                      bloburl: bloburl,
+                      svg: svg,
+                      issues: issues,
+                      issueCodes: issueCodes,
+                      type: imgType,
+                      mimeType: mimeType,
+                      quality: quality,
+                      exportWindowName: exportWindowName
                     };
                     call('exported', obj);
+
                     if (cb) {
                       cb(obj);
                     }
+
                     resolve(obj);
                   };
 
@@ -16346,23 +17478,23 @@
 
                 case 6:
                   if (!$$9('#export_canvas').length) {
-                    $$9('<canvas>', { id: 'export_canvas' }).hide().appendTo('body');
+                    $$9('<canvas>', {
+                      id: 'export_canvas'
+                    }).hide().appendTo('body');
                   }
-                  c = $$9('#export_canvas')[0];
 
+                  c = $$9('#export_canvas')[0];
                   c.width = canvas.contentW;
                   c.height = canvas.contentH;
-
                   _context2.next = 12;
                   return canvg(c, svg);
 
                 case 12:
                   dataURLType = type.toLowerCase();
                   datauri = quality ? c.toDataURL('image/' + dataURLType, quality) : c.toDataURL('image/' + dataURLType);
-                  bloburl = void 0;
 
                   if (!c.toBlob) {
-                    _context2.next = 18;
+                    _context2.next = 17;
                     break;
                   }
 
@@ -16370,18 +17502,18 @@
                     bloburl = createObjectURL(blob);
                     done();
                   }, mimeType, quality);
-                  return _context2.abrupt('return');
+                  return _context2.abrupt("return");
 
-                case 18:
+                case 17:
                   bloburl = dataURLToObjectURL(datauri);
                   done();
 
-                case 20:
-                case 'end':
+                case 19:
+                case "end":
                   return _context2.stop();
               }
             }
-          }, _callee2, _this);
+          }, _callee2, this);
         }));
 
         return function (_x4, _x5) {
@@ -16392,10 +17524,12 @@
     /**
      * @external jsPDF
      */
+
     /**
      * @typedef {undefined|"save"|"arraybuffer"|"blob"|"datauristring"|"dataurlstring"|"dataurlnewwindow"|"datauri"|"dataurl"} external:jsPDF.OutputType
      * @todo Newer version to add also allows these `outputType` values "bloburi"|"bloburl" which return strings, so document here and for `outputType` of `module:svgcanvas.PDFExportedResults` below if added
     */
+
     /**
     * @typedef {PlainObject} module:svgcanvas.PDFExportedResults
     * @property {string} svg The SVG PDF output
@@ -16421,6 +17555,7 @@
      * @param {module:svgcanvas.PDFExportedResults} obj
      * @returns {undefined}
      */
+
     /**
     * Generates a PDF based on the current image, then calls "exportedPDF" with
     * an object including the string, the data URL, and any issues found
@@ -16431,12 +17566,16 @@
     * @fires module:svgcanvas.SvgCanvas#event:exportedPDF
     * @returns {Promise} Resolves to {@link module:svgcanvas.PDFExportedResults}
     */
-    this.exportPDF = function (exportWindowName, outputType, cb) {
-      var _this2 = this;
 
+
+    this.exportPDF = function (exportWindowName, outputType, cb) {
       var that = this;
-      return new Promise(function () {
-        var _ref6 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee3(resolve, reject) {
+      return new Promise(
+      /*#__PURE__*/
+      function () {
+        var _ref7 = _asyncToGenerator(
+        /*#__PURE__*/
+        regeneratorRuntime.mark(function _callee3(resolve, reject) {
           var modularVersion, res, orientation, unit, doc, docTitle, _getIssues2, issues, issueCodes, svg, obj;
 
           return regeneratorRuntime.wrap(function _callee3$(_context3) {
@@ -16449,14 +17588,12 @@
                   }
 
                   _context3.next = 3;
-                  return importScript([
-                  // We do not currently have these paths configurable as they are
+                  return importScript([// We do not currently have these paths configurable as they are
                   //   currently global-only, so not Rolled-up
                   'jspdf/underscore-min.js', 'jspdf/jspdf.min.js']);
 
                 case 3:
-                  modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false;
-                  // Todo: Switch to `import()` when widely supported and available (also allow customization of path)
+                  modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false; // Todo: Switch to `import()` when widely supported and available (also allow customization of path)
 
                   _context3.next = 6;
                   return importScript(curConfig.jspdfPath + 'jspdf.plugin.svgToPdf.js', {
@@ -16467,67 +17604,72 @@
                   res = getResolution();
                   orientation = res.w > res.h ? 'landscape' : 'portrait';
                   unit = 'pt'; // curConfig.baseUnit; // We could use baseUnit, but that is presumably not intended for export purposes
-
                   // Todo: Give options to use predefined jsPDF formats like "a4", etc. from pull-down (with option to keep customizable)
 
                   doc = jsPDF({
                     orientation: orientation,
                     unit: unit,
-                    format: [res.w, res.h]
-                    // , compressPdf: true
+                    format: [res.w, res.h] // , compressPdf: true
+
                   });
                   docTitle = getDocumentTitle();
-
                   doc.setProperties({
-                    title: docTitle /* ,
-                                    subject: '',
-                                    author: '',
-                                    keywords: '',
-                                    creator: '' */
+                    title: docTitle
+                    /* ,
+                    subject: '',
+                    author: '',
+                    keywords: '',
+                    creator: '' */
+
                   });
                   _getIssues2 = getIssues(), issues = _getIssues2.issues, issueCodes = _getIssues2.issueCodes;
                   svg = that.svgCanvasToString();
-
-                  doc.addSVG(svg, 0, 0);
-
-                  // doc.output('save'); // Works to open in a new
+                  doc.addSVG(svg, 0, 0); // doc.output('save'); // Works to open in a new
                   //  window; todo: configure this and other export
                   //  options to optionally work in this manner as
                   //  opposed to opening a new tab
-                  outputType = outputType || 'dataurlstring';
-                  obj = { svg: svg, issues: issues, issueCodes: issueCodes, exportWindowName: exportWindowName, outputType: outputType };
 
+                  outputType = outputType || 'dataurlstring';
+                  obj = {
+                    svg: svg,
+                    issues: issues,
+                    issueCodes: issueCodes,
+                    exportWindowName: exportWindowName,
+                    outputType: outputType
+                  };
                   obj.output = doc.output(outputType, outputType === 'save' ? exportWindowName || 'svg.pdf' : undefined);
+
                   if (cb) {
                     cb(obj);
                   }
+
                   resolve(obj);
                   call('exportedPDF', obj);
 
                 case 21:
-                case 'end':
+                case "end":
                   return _context3.stop();
               }
             }
-          }, _callee3, _this2);
+          }, _callee3, this);
         }));
 
         return function (_x6, _x7) {
-          return _ref6.apply(this, arguments);
+          return _ref7.apply(this, arguments);
         };
       }());
     };
-
     /**
     * Returns the current drawing as raw SVG XML text.
     * @function module:svgcanvas.SvgCanvas#getSvgString
     * @returns {string} The current drawing as raw SVG XML text.
     */
+
+
     this.getSvgString = function () {
       saveOptions.apply = false;
       return this.svgCanvasToString();
     };
-
     /**
     * This function determines whether to use a nonce in the prefix, when
     * generating IDs for future documents in SVG-Edit.
@@ -16538,6 +17680,8 @@
     * `svgCanvas.randomizeIds() <==> svgCanvas.randomizeIds(true)`
     * @returns {undefined}
     */
+
+
     this.randomizeIds = function (enableRandomization) {
       if (arguments.length > 0 && enableRandomization === false) {
         randomizeIds(false, getCurrentDrawing());
@@ -16545,16 +17689,16 @@
         randomizeIds(true, getCurrentDrawing());
       }
     };
-
     /**
     * Ensure each element has a unique ID
     * @function module:svgcanvas.SvgCanvas#uniquifyElems
     * @param {Element} g - The parent element of the tree to give unique IDs
     * @returns {undefined}
     */
+
+
     var uniquifyElems = this.uniquifyElems = function (g) {
-      var ids = {};
-      // TODO: Handle markers and connectors. These are not yet re-identified properly
+      var ids = {}; // TODO: Handle markers and connectors. These are not yet re-identified properly
       // as their referring elements do not get remapped.
       //
       // <marker id='se_marker_end_svg_7'/>
@@ -16562,8 +17706,8 @@
       //
       // Problem #1: if svg_1 gets renamed, we do not update the polyline's se:connector attribute
       // Problem #2: if the polyline svg_7 gets renamed, we do not update the marker id nor the polyline's marker-end attribute
-      var refElems = ['filter', 'linearGradient', 'pattern', 'radialGradient', 'symbol', 'textPath', 'use'];
 
+      var refElems = ['filter', 'linearGradient', 'pattern', 'radialGradient', 'symbol', 'textPath', 'use'];
       walkTree(g, function (n) {
         // if it's an element node
         if (n.nodeType === 1) {
@@ -16572,70 +17716,86 @@
             // and we haven't tracked this ID yet
             if (!(n.id in ids)) {
               // add this id to our map
-              ids[n.id] = { elem: null, attrs: [], hrefs: [] };
+              ids[n.id] = {
+                elem: null,
+                attrs: [],
+                hrefs: []
+              };
             }
-            ids[n.id].elem = n;
-          }
 
-          // now search for all attributes on this element that might refer
+            ids[n.id].elem = n;
+          } // now search for all attributes on this element that might refer
           // to other elements
+
+
           $$9.each(refAttrs, function (i, attr) {
             var attrnode = n.getAttributeNode(attr);
+
             if (attrnode) {
               // the incoming file has been sanitized, so we should be able to safely just strip off the leading #
               var url = getUrlFromAttr(attrnode.value),
                   refid = url ? url.substr(1) : null;
+
               if (refid) {
                 if (!(refid in ids)) {
                   // add this id to our map
-                  ids[refid] = { elem: null, attrs: [], hrefs: [] };
+                  ids[refid] = {
+                    elem: null,
+                    attrs: [],
+                    hrefs: []
+                  };
                 }
+
                 ids[refid].attrs.push(attrnode);
               }
             }
-          });
+          }); // check xlink:href now
+
+          var href = getHref(n); // TODO: what if an <image> or <a> element refers to an element internally?
 
-          // check xlink:href now
-          var href = getHref(n);
-          // TODO: what if an <image> or <a> element refers to an element internally?
           if (href && refElems.includes(n.nodeName)) {
             var refid = href.substr(1);
+
             if (refid) {
               if (!(refid in ids)) {
                 // add this id to our map
-                ids[refid] = { elem: null, attrs: [], hrefs: [] };
+                ids[refid] = {
+                  elem: null,
+                  attrs: [],
+                  hrefs: []
+                };
               }
+
               ids[refid].hrefs.push(n);
             }
           }
         }
-      });
+      }); // in ids, we now have a map of ids, elements and attributes, let's re-identify
 
-      // in ids, we now have a map of ids, elements and attributes, let's re-identify
       for (var oldid in ids) {
         if (!oldid) {
           continue;
         }
+
         var elem = ids[oldid].elem;
 
         if (elem) {
-          var newid = getNextId();
+          var newid = getNextId(); // assign element its new id
 
-          // assign element its new id
-          elem.id = newid;
+          elem.id = newid; // remap all url() attributes
 
-          // remap all url() attributes
           var attrs = ids[oldid].attrs;
-
           var j = attrs.length;
+
           while (j--) {
             var attr = attrs[j];
             attr.ownerElement.setAttribute(attr.name, 'url(#' + newid + ')');
-          }
+          } // remap all href attributes
+
 
-          // remap all href attributes
           var hreffers = ids[oldid].hrefs;
           var k = hreffers.length;
+
           while (k--) {
             var hreffer = hreffers[k];
             setHref(hreffer, '#' + newid);
@@ -16643,13 +17803,14 @@
         }
       }
     };
-
     /**
     * Assigns reference data for each use element
     * @function module:svgcanvas.SvgCanvas#setUseData
     * @param {Element} parent
     * @returns {undefined}
     */
+
+
     var setUseData = this.setUseData = function (parent) {
       var elems = $$9(parent);
 
@@ -16660,24 +17821,29 @@
       elems.each(function () {
         var id = getHref(this).substr(1);
         var refElem = getElem(id);
+
         if (!refElem) {
           return;
         }
+
         $$9(this).data('ref', refElem);
+
         if (refElem.tagName === 'symbol' || refElem.tagName === 'svg') {
           $$9(this).data('symbol', refElem).data('ref', refElem);
         }
       });
     };
-
     /**
     * Converts gradients from userSpaceOnUse to objectBoundingBox
     * @function module:svgcanvas.SvgCanvas#convertGradients
     * @param {Element} elem
     * @returns {undefined}
     */
+
+
     var convertGradients = this.convertGradients = function (elem) {
       var elems = $$9(elem).find('linearGradient, radialGradient');
+
       if (!elems.length && isWebkit()) {
         // Bug in webkit prevents regular *Gradient selector search
         elems = $$9(elem).find('*').filter(function () {
@@ -16687,32 +17853,32 @@
 
       elems.each(function () {
         var grad = this;
+
         if ($$9(grad).attr('gradientUnits') === 'userSpaceOnUse') {
           // TODO: Support more than one element with this ref by duplicating parent grad
           var _elems = $$9(svgcontent).find('[fill="url(#' + grad.id + ')"],[stroke="url(#' + grad.id + ')"]');
+
           if (!_elems.length) {
             return;
-          }
+          } // get object's bounding box
 
-          // get object's bounding box
-          var bb = getBBox(_elems[0]);
 
-          // This will occur if the element is inside a <defs> or a <symbol>,
+          var bb = getBBox(_elems[0]); // This will occur if the element is inside a <defs> or a <symbol>,
           // in which we shouldn't need to convert anyway.
+
           if (!bb) {
             return;
           }
 
           if (grad.tagName === 'linearGradient') {
-            var gCoords = $$9(grad).attr(['x1', 'y1', 'x2', 'y2']);
+            var gCoords = $$9(grad).attr(['x1', 'y1', 'x2', 'y2']); // If has transform, convert
 
-            // If has transform, convert
             var tlist = grad.gradientTransform.baseVal;
+
             if (tlist && tlist.numberOfItems > 0) {
               var m = transformListToTransform(tlist).matrix;
               var pt1 = transformPoint(gCoords.x1, gCoords.y1, m);
               var pt2 = transformPoint(gCoords.x2, gCoords.y2, m);
-
               gCoords.x1 = pt1.x;
               gCoords.y1 = pt1.y;
               gCoords.x2 = pt2.x;
@@ -16727,8 +17893,7 @@
               y2: (gCoords.y2 - bb.y) / bb.height
             });
             grad.removeAttribute('gradientUnits');
-          }
-          // else {
+          } // else {
           //   Note: radialGradient elements cannot be easily converted
           //   because userSpaceOnUse will keep circular gradients, while
           //   objectBoundingBox will x/y scale the gradient according to
@@ -16748,10 +17913,10 @@
           //
           //   grad.removeAttribute('gradientUnits');
           // }
+
         }
       });
     };
-
     /**
     * Converts selected/given `<use>` or child SVG element to a group
     * @function module:svgcanvas.SvgCanvas#convertToGroup
@@ -16759,22 +17924,23 @@
     * @fires module:svgcanvas.SvgCanvas#event:selected
     * @returns {undefined}
     */
+
+
     var convertToGroup = this.convertToGroup = function (elem) {
       if (!elem) {
         elem = selectedElements[0];
       }
+
       var $elem = $$9(elem);
       var batchCmd = new BatchCommand$1();
-      var ts = void 0;
+      var ts;
 
       if ($elem.data('gsvg')) {
         // Use the gsvg as the new group
         var svg = elem.firstChild;
         var pt = $$9(svg).attr(['x', 'y']);
-
         $$9(elem.firstChild.firstChild).unwrap();
         $$9(elem).removeData('gsvg');
-
         var tlist = getTransformList(elem);
         var xform = svgroot.createSVGTransform();
         xform.setTranslate(pt.x, pt.y);
@@ -16783,39 +17949,33 @@
         call('selected', [elem]);
       } else if ($elem.data('symbol')) {
         elem = $elem.data('symbol');
-
         ts = $elem.attr('transform');
         var pos = $elem.attr(['x', 'y']);
-
         var vb = elem.getAttribute('viewBox');
 
         if (vb) {
           var nums = vb.split(' ');
           pos.x -= +nums[0];
           pos.y -= +nums[1];
-        }
+        } // Not ideal, but works
+
 
-        // Not ideal, but works
         ts += ' translate(' + (pos.x || 0) + ',' + (pos.y || 0) + ')';
+        var prev = $elem.prev(); // Remove <use> element
 
-        var prev = $elem.prev();
-
-        // Remove <use> element
         batchCmd.addSubCommand(new RemoveElementCommand$1($elem[0], $elem[0].nextSibling, $elem[0].parentNode));
-        $elem.remove();
+        $elem.remove(); // See if other elements reference this symbol
 
-        // See if other elements reference this symbol
         var hasMore = $$9(svgcontent).find('use:data(symbol)').length;
-
         var g = svgdoc.createElementNS(NS.SVG, 'g');
         var childs = elem.childNodes;
+        var i;
 
-        var i = void 0;
         for (i = 0; i < childs.length; i++) {
           g.append(childs[i].cloneNode(true));
-        }
+        } // Duplicate the gradients for Gecko, since they weren't included in the <symbol>
+
 
-        // Duplicate the gradients for Gecko, since they weren't included in the <symbol>
         if (isGecko()) {
           var dupeGrads = $$9(findDefs()).children('linearGradient,radialGradient,pattern').clone();
           $$9(g).append(dupeGrads);
@@ -16826,17 +17986,14 @@
         }
 
         var parent = elem.parentNode;
+        uniquifyElems(g); // Put the dupe gradients back into <defs> (after uniquifying them)
 
-        uniquifyElems(g);
-
-        // Put the dupe gradients back into <defs> (after uniquifying them)
         if (isGecko()) {
           $$9(findDefs()).append($$9(g).find('linearGradient,radialGradient,pattern'));
-        }
+        } // now give the g itself a new id
+
 
-        // now give the g itself a new id
         g.id = getNextId();
-
         prev.after(g);
 
         if (parent) {
@@ -16844,10 +18001,10 @@
             // remove symbol/svg element
             var _elem = elem,
                 nextSibling = _elem.nextSibling;
-
             elem.remove();
             batchCmd.addSubCommand(new RemoveElementCommand$1(elem, nextSibling, parent));
           }
+
           batchCmd.addSubCommand(new InsertElementCommand$1(g));
         }
 
@@ -16857,28 +18014,26 @@
           convertGradients(findDefs());
         } else {
           convertGradients(g);
-        }
-
-        // recalculate dimensions on the top-level children so that unnecessary transforms
+        } // recalculate dimensions on the top-level children so that unnecessary transforms
         // are removed
+
+
         walkTreePost(g, function (n) {
           try {
             recalculateDimensions(n);
           } catch (e) {
             console.log(e);
           }
-        });
+        }); // Give ID for any visible element missing one
 
-        // Give ID for any visible element missing one
         $$9(g).find(visElems).each(function () {
           if (!this.id) {
             this.id = getNextId();
           }
         });
-
         selectOnly([g]);
-
         var cm = pushGroupProperties(g, true);
+
         if (cm) {
           batchCmd.addSubCommand(cm);
         }
@@ -16888,7 +18043,6 @@
         console.log('Unexpected element to ungroup:', elem);
       }
     };
-
     /**
     * This function sets the current drawing as the input SVG XML.
     * @function module:svgcanvas.SvgCanvas#setSvgString
@@ -16902,27 +18056,26 @@
     * @returns {boolean} This function returns `false` if the set was
     *     unsuccessful, `true` otherwise.
     */
+
+
     this.setSvgString = function (xmlString, preventUndo) {
       try {
         // convert string into XML document
         var newDoc = text2xml(xmlString);
+
         if (newDoc.firstElementChild && newDoc.firstElementChild.namespaceURI !== NS.SVG) {
           return false;
         }
 
         this.prepareSvg(newDoc);
+        var batchCmd = new BatchCommand$1('Change Source'); // remove old svg document
 
-        var batchCmd = new BatchCommand$1('Change Source');
-
-        // remove old svg document
         var _svgcontent = svgcontent,
             nextSibling = _svgcontent.nextSibling;
-
         var oldzoom = svgroot.removeChild(svgcontent);
-        batchCmd.addSubCommand(new RemoveElementCommand$1(oldzoom, nextSibling, svgroot));
-
-        // set new svg document
+        batchCmd.addSubCommand(new RemoveElementCommand$1(oldzoom, nextSibling, svgroot)); // set new svg document
         // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()
+
         if (svgdoc.adoptNode) {
           svgcontent = svgdoc.adoptNode(newDoc.documentElement);
         } else {
@@ -16931,82 +18084,76 @@
 
         svgroot.append(svgcontent);
         var content = $$9(svgcontent);
+        canvas.current_drawing_ = new Drawing(svgcontent, idprefix); // retrieve or set the nonce
 
-        canvas.current_drawing_ = new Drawing(svgcontent, idprefix);
-
-        // retrieve or set the nonce
         var nonce = getCurrentDrawing().getNonce();
+
         if (nonce) {
           call('setnonce', nonce);
         } else {
           call('unsetnonce');
-        }
+        } // change image href vals if possible
+
 
-        // change image href vals if possible
         content.find('image').each(function () {
           var image = this;
           preventClickDefault(image);
           var val = getHref(this);
+
           if (val) {
             if (val.startsWith('data:')) {
               // Check if an SVG-edit data URI
               var m = val.match(/svgedit_url=(.*?);/);
+
               if (m) {
                 var url = decodeURIComponent(m[1]);
                 $$9(new Image()).load(function () {
                   image.setAttributeNS(NS.XLINK, 'xlink:href', url);
                 }).attr('src', url);
               }
-            }
-            // Add to encodableImages if it loads
+            } // Add to encodableImages if it loads
+
+
             canvas.embedImage(val);
           }
-        });
+        }); // Wrap child SVGs in group elements
 
-        // Wrap child SVGs in group elements
         content.find('svg').each(function () {
           // Skip if it's in a <defs>
           if ($$9(this).closest('defs').length) {
             return;
           }
 
-          uniquifyElems(this);
+          uniquifyElems(this); // Check if it already has a gsvg group
 
-          // Check if it already has a gsvg group
           var pa = this.parentNode;
+
           if (pa.childNodes.length === 1 && pa.nodeName === 'g') {
             $$9(pa).data('gsvg', this);
             pa.id = pa.id || getNextId();
           } else {
             groupSvgElem(this);
           }
-        });
+        }); // For Firefox: Put all paint elems in defs
 
-        // For Firefox: Put all paint elems in defs
         if (isGecko()) {
           content.find('linearGradient, radialGradient, pattern').appendTo(findDefs());
-        }
-
-        // Set ref element for <use> elements
-
+        } // Set ref element for <use> elements
         // TODO: This should also be done if the object is re-added through "redo"
+
+
         setUseData(content);
-
         convertGradients(content[0]);
-
         var attrs = {
           id: 'svgcontent',
           overflow: curConfig.show_outside_canvas ? 'visible' : 'hidden'
         };
+        var percs = false; // determine proper size
 
-        var percs = false;
-
-        // determine proper size
         if (content.attr('viewBox')) {
           var vb = content.attr('viewBox').split(' ');
           attrs.width = vb[2];
-          attrs.height = vb[3];
-          // handle content that doesn't have a viewBox
+          attrs.height = vb[3]; // handle content that doesn't have a viewBox
         } else {
           $$9.each(['width', 'height'], function (i, dim) {
             // Set to 100 if not given
@@ -17019,30 +18166,29 @@
               attrs[dim] = convertToNum(dim, val);
             }
           });
-        }
+        } // identify layers
 
-        // identify layers
-        identifyLayers();
 
-        // Give ID for any visible layer children missing one
+        identifyLayers(); // Give ID for any visible layer children missing one
+
         content.children().find(visElems).each(function () {
           if (!this.id) {
             this.id = getNextId();
           }
-        });
+        }); // Percentage width/height, so let's base it on visible elements
 
-        // Percentage width/height, so let's base it on visible elements
         if (percs) {
           var bb = getStrokedBBoxDefaultVisible();
           attrs.width = bb.width + bb.x;
           attrs.height = bb.height + bb.y;
-        }
-
-        // Just in case negative numbers are given or
+        } // Just in case negative numbers are given or
         // result from the percs calculation
+
+
         if (attrs.width <= 0) {
           attrs.width = 100;
         }
+
         if (attrs.height <= 0) {
           attrs.height = 100;
         }
@@ -17050,21 +18196,17 @@
         content.attr(attrs);
         this.contentW = attrs.width;
         this.contentH = attrs.height;
+        batchCmd.addSubCommand(new InsertElementCommand$1(svgcontent)); // update root to the correct size
 
-        batchCmd.addSubCommand(new InsertElementCommand$1(svgcontent));
-        // update root to the correct size
         var changes = content.attr(['width', 'height']);
-        batchCmd.addSubCommand(new ChangeElementCommand$1(svgroot, changes));
+        batchCmd.addSubCommand(new ChangeElementCommand$1(svgroot, changes)); // reset zoom
 
-        // reset zoom
-        currentZoom = 1;
+        currentZoom = 1; // reset transform lists
 
-        // reset transform lists
         resetListMap();
         clearSelection();
         clearData();
         svgroot.append(selectorManager.selectorParentGroup);
-
         if (!preventUndo) addCommandToHistory(batchCmd);
         call('changed', [svgcontent]);
       } catch (e) {
@@ -17074,7 +18216,6 @@
 
       return true;
     };
-
     /**
     * This function imports the input SVG XML as a `<symbol>` in the `<defs>`, then adds a
     * `<use>` to the current layer.
@@ -17089,16 +18230,16 @@
     * arbitrary transform lists, but makes some assumptions about how the transform list
     * was obtained
     */
+
+
     this.importSvgString = function (xmlString) {
-      var j = void 0,
-          ts = void 0,
-          useEl = void 0;
+      var j, ts, useEl;
+
       try {
         // Get unique ID
         var uid = encode64(xmlString.length + xmlString).substr(0, 32);
+        var useExisting = false; // Look for symbol and make sure symbol exists in image
 
-        var useExisting = false;
-        // Look for symbol and make sure symbol exists in image
         if (importIds[uid]) {
           if ($$9(importIds[uid].symbol).parents('#svgroot').length) {
             useExisting = true;
@@ -17106,20 +18247,18 @@
         }
 
         var batchCmd = new BatchCommand$1('Import Image');
-        var symbol = void 0;
+        var symbol;
+
         if (useExisting) {
           symbol = importIds[uid].symbol;
-
           ts = importIds[uid].xform;
         } else {
           // convert string into XML document
           var newDoc = text2xml(xmlString);
+          this.prepareSvg(newDoc); // import new svg document into our document
 
-          this.prepareSvg(newDoc);
+          var svg; // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()
 
-          // import new svg document into our document
-          var svg = void 0;
-          // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()
           if (svgdoc.adoptNode) {
             svg = svgdoc.adoptNode(newDoc.documentElement);
           } else {
@@ -17127,31 +18266,28 @@
           }
 
           uniquifyElems(svg);
-
           var innerw = convertToNum('width', svg.getAttribute('width')),
               innerh = convertToNum('height', svg.getAttribute('height')),
               innervb = svg.getAttribute('viewBox'),
-
-          // if no explicit viewbox, create one out of the width and height
+              // if no explicit viewbox, create one out of the width and height
           vb = innervb ? innervb.split(' ') : [0, 0, innerw, innerh];
+
           for (j = 0; j < 4; ++j) {
             vb[j] = +vb[j];
-          }
+          } // TODO: properly handle preserveAspectRatio
+
 
-          // TODO: properly handle preserveAspectRatio
           var // canvasw = +svgcontent.getAttribute('width'),
-          canvash = +svgcontent.getAttribute('height');
-          // imported content should be 1/3 of the canvas on its largest dimension
+          canvash = +svgcontent.getAttribute('height'); // imported content should be 1/3 of the canvas on its largest dimension
 
           if (innerh > innerw) {
             ts = 'scale(' + canvash / 3 / vb[3] + ')';
           } else {
             ts = 'scale(' + canvash / 3 / vb[2] + ')';
-          }
+          } // Hack to make recalculateDimensions understand how to scale
+
 
-          // Hack to make recalculateDimensions understand how to scale
           ts = 'translate(0) ' + ts + ' translate(0)';
-
           symbol = svgdoc.createElementNS(NS.SVG, 'symbol');
           var defs = findDefs();
 
@@ -17166,19 +18302,20 @@
             var first = svg.firstChild;
             symbol.append(first);
           }
+
           var attrs = svg.attributes;
+
           for (var i = 0; i < attrs.length; i++) {
             var attr = attrs[i];
             symbol.setAttribute(attr.nodeName, attr.value);
           }
-          symbol.id = getNextId();
 
-          // Store data
+          symbol.id = getNextId(); // Store data
+
           importIds[uid] = {
             symbol: symbol,
             xform: ts
           };
-
           findDefs().append(symbol);
           batchCmd.addSubCommand(new InsertElementCommand$1(symbol));
         }
@@ -17186,33 +18323,30 @@
         useEl = svgdoc.createElementNS(NS.SVG, 'use');
         useEl.id = getNextId();
         setHref(useEl, '#' + symbol.id);
-
         (currentGroup || getCurrentDrawing().getCurrentLayer()).append(useEl);
         batchCmd.addSubCommand(new InsertElementCommand$1(useEl));
         clearSelection();
-
         useEl.setAttribute('transform', ts);
         recalculateDimensions(useEl);
         $$9(useEl).data('symbol', symbol).data('ref', symbol);
-        addToSelection([useEl]);
-
-        // TODO: Find way to add this in a recalculateDimensions-parsable way
+        addToSelection([useEl]); // TODO: Find way to add this in a recalculateDimensions-parsable way
         // if (vb[0] !== 0 || vb[1] !== 0) {
         //   ts = 'translate(' + (-vb[0]) + ',' + (-vb[1]) + ') ' + ts;
         // }
+
         addCommandToHistory(batchCmd);
         call('changed', [svgcontent]);
       } catch (e) {
         console.log(e);
         return null;
-      }
+      } // we want to return the element so we can automatically select it
+
 
-      // we want to return the element so we can automatically select it
       return useEl;
-    };
-
-    // Could deprecate, but besides external uses, their usage makes clear that
+    }; // Could deprecate, but besides external uses, their usage makes clear that
     //  canvas is a dependency for all of these
+
+
     ['identifyLayers', 'createLayer', 'cloneLayer', 'deleteCurrentLayer', 'setCurrentLayer', 'renameCurrentLayer', 'setCurrentLayerPosition', 'setLayerVisibility', 'moveSelectedToLayer', 'mergeLayer', 'mergeAllLayers', 'leaveContext', 'setContext'].forEach(function (prop) {
       canvas[prop] = draw[prop];
     });
@@ -17228,7 +18362,6 @@
       setCurrentGroup: function setCurrentGroup(cg) {
         currentGroup = cg;
       },
-
       getSelectedElements: getSelectedElements,
       getSVGContent: getSVGContent,
       undoMgr: undoMgr,
@@ -17237,6 +18370,7 @@
       clearSelection: clearSelection,
       call: call,
       addCommandToHistory: addCommandToHistory,
+
       /**
        * @fires module:svgcanvas.SvgCanvas#event:changed
        * @returns {undefined}
@@ -17245,7 +18379,6 @@
         call('changed', [svgcontent]);
       }
     });
-
     /**
     * Group: Document functions
     */
@@ -17256,51 +18389,44 @@
     * @fires module:svgcanvas.SvgCanvas#event:cleared
     * @returns {undefined}
     */
+
     this.clear = function () {
       pathActions$$1.clear();
+      clearSelection(); // clear the svgcontent node
 
-      clearSelection();
+      canvas.clearSvgContentElement(); // create new document
 
-      // clear the svgcontent node
-      canvas.clearSvgContentElement();
+      canvas.current_drawing_ = new Drawing(svgcontent); // create empty first layer
 
-      // create new document
-      canvas.current_drawing_ = new Drawing(svgcontent);
+      canvas.createLayer('Layer 1'); // clear the undo stack
 
-      // create empty first layer
-      canvas.createLayer('Layer 1');
+      canvas.undoMgr.resetUndoStack(); // reset the selector manager
 
-      // clear the undo stack
-      canvas.undoMgr.resetUndoStack();
+      selectorManager.initGroup(); // reset the rubber band box
 
-      // reset the selector manager
-      selectorManager.initGroup();
-
-      // reset the rubber band box
       rubberBox = selectorManager.getRubberBandBox();
-
       call('cleared');
-    };
+    }; // Alias function
+
 
-    // Alias function
     this.linkControlPoints = pathActions$$1.linkControlPoints;
-
     /**
     * @function module:svgcanvas.SvgCanvas#getContentElem
     * @returns {Element} The content DOM element
     */
+
     this.getContentElem = function () {
       return svgcontent;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getRootElem
     * @returns {SVGSVGElement} The root DOM element
     */
+
+
     this.getRootElem = function () {
       return svgroot;
     };
-
     /**
     * @typedef {PlainObject} DimensionsAndZoom
     * @property {Float} w Width
@@ -17312,77 +18438,85 @@
     * @function module:svgcanvas.SvgCanvas#getResolution
     * @returns {DimensionsAndZoom} The current dimensions and zoom level in an object
     */
+
+
     var getResolution = this.getResolution = function () {
       //    const vb = svgcontent.getAttribute('viewBox').split(' ');
       //    return {w:vb[2], h:vb[3], zoom: currentZoom};
-
       var w = svgcontent.getAttribute('width') / currentZoom;
       var h = svgcontent.getAttribute('height') / currentZoom;
-
       return {
         w: w,
         h: h,
         zoom: currentZoom
       };
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getSnapToGrid
     * @returns {boolean} The current snap to grid setting
     */
+
+
     this.getSnapToGrid = function () {
       return curConfig.gridSnapping;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getVersion
     * @returns {string} A string which describes the revision number of SvgCanvas.
     */
+
+
     this.getVersion = function () {
       return 'svgcanvas.js ($Rev$)';
     };
-
     /**
     * Update interface strings with given values
     * @function module:svgcanvas.SvgCanvas#setUiStrings
     * @param {module:path.uiStrings} strs - Object with strings (see the [locales API]{@link module:locale.LocaleStrings} and the [tutorial]{@tutorial LocaleDocs})
     * @returns {undefined}
     */
+
+
     this.setUiStrings = function (strs) {
       Object.assign(uiStrings, strs.notification);
       setUiStrings(strs);
     };
-
     /**
     * Update configuration options with given values
     * @function module:svgcanvas.SvgCanvas#setConfig
     * @param {module:SVGEditor.Config} opts - Object with options
     * @returns {undefined}
     */
+
+
     this.setConfig = function (opts) {
       Object.assign(curConfig, opts);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getTitle
     * @param {Element} elem
     * @returns {string|undefined} the current group/SVG's title contents
     */
+
+
     this.getTitle = function (elem) {
       elem = elem || selectedElements[0];
+
       if (!elem) {
         return;
       }
+
       elem = $$9(elem).data('gsvg') || $$9(elem).data('symbol') || elem;
       var childs = elem.childNodes;
+
       for (var i = 0; i < childs.length; i++) {
         if (childs[i].nodeName === 'title') {
           return childs[i].textContent;
         }
       }
+
       return '';
     };
-
     /**
     * Sets the group/SVG's title content
     * @function module:svgcanvas.SvgCanvas#setGroupTitle
@@ -17390,15 +18524,15 @@
     * @todo Combine this with `setDocumentTitle`
     * @returns {undefined}
     */
+
+
     this.setGroupTitle = function (val) {
       var elem = selectedElements[0];
       elem = $$9(elem).data('gsvg') || elem;
-
       var ts = $$9(elem).children('title');
-
       var batchCmd = new BatchCommand$1('Set Label');
+      var title;
 
-      var title = void 0;
       if (!val.length) {
         // Remove title element
         var tsNextSibling = ts.nextSibling;
@@ -17407,7 +18541,9 @@
       } else if (ts.length) {
         // Change title contents
         title = ts[0];
-        batchCmd.addSubCommand(new ChangeElementCommand$1(title, { '#text': title.textContent }));
+        batchCmd.addSubCommand(new ChangeElementCommand$1(title, {
+          '#text': title.textContent
+        }));
         title.textContent = val;
       } else {
         // Add title element
@@ -17419,15 +18555,15 @@
 
       addCommandToHistory(batchCmd);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getDocumentTitle
     * @returns {string|undefined} The current document title or an empty string if not found
     */
+
+
     var getDocumentTitle = this.getDocumentTitle = function () {
       return canvas.getTitle(svgcontent);
     };
-
     /**
     * Adds/updates a title element for the document with the given name.
     * This is an undoable action
@@ -17435,11 +18571,12 @@
     * @param {string} newTitle - String with the new title
     * @returns {undefined}
     */
+
+
     this.setDocumentTitle = function (newTitle) {
       var childs = svgcontent.childNodes;
       var docTitle = false,
           oldTitle = '';
-
       var batchCmd = new BatchCommand$1('Change Image Title');
 
       for (var i = 0; i < childs.length; i++) {
@@ -17449,10 +18586,10 @@
           break;
         }
       }
+
       if (!docTitle) {
         docTitle = svgdoc.createElementNS(NS.SVG, 'title');
-        svgcontent.insertBefore(docTitle, svgcontent.firstChild);
-        // svgcontent.firstChild.before(docTitle); // Ok to replace above with this?
+        svgcontent.insertBefore(docTitle, svgcontent.firstChild); // svgcontent.firstChild.before(docTitle); // Ok to replace above with this?
       }
 
       if (newTitle.length) {
@@ -17461,23 +18598,27 @@
         // No title given, so element is not necessary
         docTitle.remove();
       }
-      batchCmd.addSubCommand(new ChangeElementCommand$1(docTitle, { '#text': oldTitle }));
+
+      batchCmd.addSubCommand(new ChangeElementCommand$1(docTitle, {
+        '#text': oldTitle
+      }));
       addCommandToHistory(batchCmd);
     };
-
     /**
     * Returns the editor's namespace URL, optionally adding it to the root element
     * @function module:svgcanvas.SvgCanvas#getEditorNS
     * @param {boolean} [add] - Indicates whether or not to add the namespace value
     * @returns {string} The editor's namespace URL
     */
+
+
     this.getEditorNS = function (add) {
       if (add) {
         svgcontent.setAttribute('xmlns:se', NS.SE);
       }
+
       return NS.SE;
     };
-
     /**
     * Changes the document's dimensions to the given size
     * @function module:svgcanvas.SvgCanvas#setResolution
@@ -17488,12 +18629,13 @@
     * @returns {boolean} Indicates if resolution change was successful.
     * It will fail on "fit to content" option with no content to fit to.
     */
+
+
     this.setResolution = function (x, y) {
       var res = getResolution();
       var w = res.w,
           h = res.h;
-
-      var batchCmd = void 0;
+      var batchCmd;
 
       if (x === 'fit') {
         // Get bounding box
@@ -17509,17 +18651,16 @@
             dx.push(bbox.x * -1);
             dy.push(bbox.y * -1);
           });
-
           var cmd = canvas.moveSelectedElements(dx, dy, true);
           batchCmd.addSubCommand(cmd);
           clearSelection();
-
           x = Math.round(bbox.width);
           y = Math.round(bbox.height);
         } else {
           return false;
         }
       }
+
       if (x !== w || y !== h) {
         if (!batchCmd) {
           batchCmd = new BatchCommand$1('Change Image Dimensions');
@@ -17527,23 +18668,24 @@
 
         x = convertToNum('width', x);
         y = convertToNum('height', y);
-
         svgcontent.setAttribute('width', x);
         svgcontent.setAttribute('height', y);
-
         this.contentW = x;
         this.contentH = y;
-        batchCmd.addSubCommand(new ChangeElementCommand$1(svgcontent, { width: w, height: h }));
-
+        batchCmd.addSubCommand(new ChangeElementCommand$1(svgcontent, {
+          width: w,
+          height: h
+        }));
         svgcontent.setAttribute('viewBox', [0, 0, x / currentZoom, y / currentZoom].join(' '));
-        batchCmd.addSubCommand(new ChangeElementCommand$1(svgcontent, { viewBox: ['0 0', w, h].join(' ') }));
-
+        batchCmd.addSubCommand(new ChangeElementCommand$1(svgcontent, {
+          viewBox: ['0 0', w, h].join(' ')
+        }));
         addCommandToHistory(batchCmd);
         call('changed', [svgcontent]);
       }
+
       return true;
     };
-
     /**
     * @typedef {module:jQueryAttr.Attributes} module:svgcanvas.ElementPositionInCanvas
     * @property {Float} x
@@ -17555,15 +18697,17 @@
     * @returns {module:svgcanvas.ElementPositionInCanvas} An object with `x`, `y` values indicating the svgcontent element's
     * position in the editor's canvas.
     */
+
+
     this.getOffset = function () {
       return $$9(svgcontent).attr(['x', 'y']);
     };
-
     /**
      * @typedef {PlainObject} module:svgcanvas.ZoomAndBBox
      * @property {Float} zoom
      * @property {module:utilities.BBoxObject} bbox
      */
+
     /**
     * Sets the zoom level on the canvas-side based on the given value
     * @function module:svgcanvas.SvgCanvas#setBBoxZoom
@@ -17572,27 +18716,39 @@
     * @param {Integer} editorH - The editor's workarea box's height
     * @returns {module:svgcanvas.ZoomAndBBox|undefined}
     */
+
+
     this.setBBoxZoom = function (val, editorW, editorH) {
       var spacer = 0.85;
-      var bb = void 0;
+      var bb;
+
       var calcZoom = function calcZoom(bb) {
         if (!bb) {
           return false;
         }
+
         var wZoom = Math.round(editorW / bb.width * 100 * spacer) / 100;
         var hZoom = Math.round(editorH / bb.height * 100 * spacer) / 100;
         var zoom = Math.min(wZoom, hZoom);
         canvas.setZoom(zoom);
-        return { zoom: zoom, bbox: bb };
+        return {
+          zoom: zoom,
+          bbox: bb
+        };
       };
 
-      if ((typeof val === 'undefined' ? 'undefined' : _typeof(val)) === 'object') {
+      if (_typeof(val) === 'object') {
         bb = val;
+
         if (bb.width === 0 || bb.height === 0) {
           var newzoom = bb.zoom ? bb.zoom : currentZoom * bb.factor;
           canvas.setZoom(newzoom);
-          return { zoom: currentZoom, bbox: bb };
+          return {
+            zoom: currentZoom,
+            bbox: bb
+          };
         }
+
         return calcZoom(bb);
       }
 
@@ -17601,6 +18757,7 @@
           if (!selectedElements[0]) {
             return;
           }
+
           var selectedElems = $$9.map(selectedElements, function (n) {
             if (n) {
               return n;
@@ -17608,28 +18765,38 @@
           });
           bb = getStrokedBBoxDefaultVisible(selectedElems);
           break;
+
         case 'canvas':
           var res = getResolution();
           spacer = 0.95;
-          bb = { width: res.w, height: res.h, x: 0, y: 0 };
+          bb = {
+            width: res.w,
+            height: res.h,
+            x: 0,
+            y: 0
+          };
           break;
+
         case 'content':
           bb = getStrokedBBoxDefaultVisible();
           break;
+
         case 'layer':
           bb = getStrokedBBoxDefaultVisible(getVisibleElements(getCurrentDrawing().getCurrentLayer()));
           break;
+
         default:
           return;
       }
+
       return calcZoom(bb);
     };
-
     /**
     * The zoom level has changed. Supplies the new zoom level as a number (not percentage).
     * @event module:svgcanvas.SvgCanvas#event:ext-zoomChanged
     * @type {Float}
     */
+
     /**
     * The bottom panel was updated
     * @event module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate
@@ -17637,6 +18804,7 @@
     * @property {boolean} nofill Indicates fill is disabled
     * @property {boolean} nostroke Indicates stroke is disabled
     */
+
     /**
     * The element selection has changed (elements were added/removed from selection)
     * @event module:svgcanvas.SvgCanvas#event:ext-selectedChanged
@@ -17645,6 +18813,7 @@
     * @property {Element|null} selectedElement The single selected element
     * @property {boolean} multiselected Indicates whether one or more elements were selected
     */
+
     /**
     * Called when part of element is in process of changing, generally on
     * mousemove actions like rotate, move, etc.
@@ -17652,12 +18821,14 @@
     * @type {PlainObject}
     * @property {Element[]} elems Array of transitioning elements
     */
+
     /**
     * One or more elements were changed
     * @event module:svgcanvas.SvgCanvas#event:ext-elementChanged
     * @type {PlainObject}
     * @property {Element[]} elems Array of the affected elements
     */
+
     /**
     * Invoked as soon as the locale is ready
     * @event module:svgcanvas.SvgCanvas#event:ext-langReady
@@ -17666,11 +18837,13 @@
     * @property {module:SVGEditor.uiStrings} uiStrings
     * @property {module:SVGEditor~ImportLocale} importLocale
     */
+
     /**
     * The language was changed. Two-letter code of the new language.
     * @event module:svgcanvas.SvgCanvas#event:ext-langChanged
     * @type {string}
     */
+
     /**
     * Means for an extension to add locale data. The two-letter language code.
     * @event module:svgcanvas.SvgCanvas#event:ext-addLangData
@@ -17678,16 +18851,19 @@
     * @property {string} lang
     * @property {module:SVGEditor~ImportLocale} importLocale
     */
+
     /**
      * Called when new image is created
      * @event module:svgcanvas.SvgCanvas#event:ext-onNewDocument
      * @type {undefined}
      */
+
     /**
      * Called when sidepanel is resized or toggled
      * @event module:svgcanvas.SvgCanvas#event:ext-workareaResized
      * @type {undefined}
     */
+
     /**
      * Called upon addition of the extension, or, if svgicons are set,
      * after the icons are ready when extension SVG icons have loaded.
@@ -17702,6 +18878,8 @@
     * @fires module:svgcanvas.SvgCanvas#event:ext-zoomChanged
     * @returns {undefined}
     */
+
+
     this.setZoom = function (zoomLevel) {
       var res = getResolution();
       svgcontent.setAttribute('viewBox', '0 0 ' + res.w / zoomLevel + ' ' + res.h / zoomLevel);
@@ -17710,33 +18888,37 @@
         if (!elem) {
           return;
         }
+
         selectorManager.requestSelector(elem).resize();
       });
       pathActions$$1.zoomChange();
-      runExtensions('zoomChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} */zoomLevel);
+      runExtensions('zoomChanged',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} */
+      zoomLevel);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getMode
     * @returns {string} The current editor mode string
     */
+
+
     this.getMode = function () {
       return currentMode;
     };
-
     /**
     * Sets the editor's mode to the given string
     * @function module:svgcanvas.SvgCanvas#setMode
     * @param {string} name - String with the new mode to change to
     * @returns {undefined}
     */
+
+
     this.setMode = function (name) {
       pathActions$$1.clear(true);
       textActions.clear();
       curProperties = selectedElements[0] && selectedElements[0].nodeName === 'text' ? curText : curShape;
       currentMode = name;
     };
-
     /**
     * Group: Element Styling
     */
@@ -17751,10 +18933,11 @@
     * @param {string} type
     * @returns {string|module:svgcanvas.PaintOptions|Float|module:jGraduate~Paint} The current fill/stroke option
     */
+
+
     this.getColor = function (type) {
       return curProperties[type];
     };
-
     /**
     * Change the current stroke/fill color/gradient value
     * @function module:svgcanvas.SvgCanvas#setColor
@@ -17764,18 +18947,26 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setColor = function (type, val, preventUndo) {
       curShape[type] = val;
-      curProperties[type + '_paint'] = { type: 'solidColor' };
+      curProperties[type + '_paint'] = {
+        type: 'solidColor'
+      };
       var elems = [];
+
       function addNonG(e) {
         if (e.nodeName !== 'g') {
           elems.push(e);
         }
       }
+
       var i = selectedElements.length;
+
       while (i--) {
         var elem = selectedElements[i];
+
         if (elem) {
           if (elem.tagName === 'g') {
             walkTree(elem, addNonG);
@@ -17790,6 +18981,7 @@
           }
         }
       }
+
       if (elems.length > 0) {
         if (!preventUndo) {
           changeSelectedAttribute(type, val, elems);
@@ -17799,47 +18991,53 @@
         }
       }
     };
-
     /**
     * Apply the current gradient to selected element's fill or stroke
     * @function module:svgcanvas.SvgCanvas#setGradient
     * @param {"fill"|"stroke"} type - String indicating "fill" or "stroke" to apply to an element
     * @returns {undefined}
     */
+
+
     var setGradient = this.setGradient = function (type) {
       if (!curProperties[type + '_paint'] || curProperties[type + '_paint'].type === 'solidColor') {
         return;
       }
-      var grad = canvas[type + 'Grad'];
-      // find out if there is a duplicate gradient already in the defs
+
+      var grad = canvas[type + 'Grad']; // find out if there is a duplicate gradient already in the defs
+
       var duplicateGrad = findDuplicateGradient(grad);
-      var defs = findDefs();
-      // no duplicate found, so import gradient into defs
+      var defs = findDefs(); // no duplicate found, so import gradient into defs
+
       if (!duplicateGrad) {
         // const origGrad = grad;
-        grad = defs.appendChild(svgdoc.importNode(grad, true));
-        // get next id and set it on the grad
+        grad = defs.appendChild(svgdoc.importNode(grad, true)); // get next id and set it on the grad
+
         grad.id = getNextId();
       } else {
         // use existing gradient
         grad = duplicateGrad;
       }
+
       canvas.setColor(type, 'url(#' + grad.id + ')');
     };
-
     /**
     * Check if exact gradient already exists
     * @function module:svgcanvas~findDuplicateGradient
     * @param {SVGGradientElement} grad - The gradient DOM element to compare to others
     * @returns {SVGGradientElement} The existing gradient if found, `null` if not
     */
+
+
     var findDuplicateGradient = function findDuplicateGradient(grad) {
       var defs = findDefs();
       var existingGrads = $$9(defs).find('linearGradient, radialGradient');
       var i = existingGrads.length;
       var radAttrs = ['r', 'cx', 'cy', 'fx', 'fy'];
+
       while (i--) {
         var og = existingGrads[i];
+
         if (grad.tagName === 'linearGradient') {
           if (grad.getAttribute('x1') !== og.getAttribute('x1') || grad.getAttribute('y1') !== og.getAttribute('y1') || grad.getAttribute('x2') !== og.getAttribute('x2') || grad.getAttribute('y2') !== og.getAttribute('y2')) {
             continue;
@@ -17848,7 +19046,6 @@
           var _ret = function () {
             var gradAttrs = $$9(grad).attr(radAttrs);
             var ogAttrs = $$9(og).attr(radAttrs);
-
             var diff = false;
             $$9.each(radAttrs, function (i, attr) {
               if (gradAttrs[attr] !== ogAttrs[attr]) {
@@ -17857,14 +19054,14 @@
             });
 
             if (diff) {
-              return 'continue';
+              return "continue";
             }
           }();
 
-          if (_ret === 'continue') continue;
-        }
+          if (_ret === "continue") continue;
+        } // else could be a duplicate, iterate through stops
+
 
-        // else could be a duplicate, iterate through stops
         var stops = grad.getElementsByTagNameNS(NS.SVG, 'stop');
         var ostops = og.getElementsByTagNameNS(NS.SVG, 'stop');
 
@@ -17873,6 +19070,7 @@
         }
 
         var j = stops.length;
+
         while (j--) {
           var stop = stops[j];
           var ostop = ostops[j];
@@ -17887,9 +19085,9 @@
         }
       } // for each gradient in defs
 
+
       return null;
     };
-
     /**
     * Set a color/gradient to a fill/stroke
     * @function module:svgcanvas.SvgCanvas#setPaint
@@ -17897,17 +19095,20 @@
     * @param {module:jGraduate.jGraduatePaintOptions} paint - The jGraduate paint object to apply
     * @returns {undefined}
     */
+
+
     this.setPaint = function (type, paint) {
       // make a copy
       var p = new $$9.jGraduate.Paint(paint);
-      this.setPaintOpacity(type, p.alpha / 100, true);
+      this.setPaintOpacity(type, p.alpha / 100, true); // now set the current paint object
 
-      // now set the current paint object
       curProperties[type + '_paint'] = p;
+
       switch (p.type) {
         case 'solidColor':
           this.setColor(type, p.solidColor !== 'none' ? '#' + p.solidColor : 'none');
           break;
+
         case 'linearGradient':
         case 'radialGradient':
           canvas[type + 'Grad'] = p[p.type];
@@ -17915,33 +19116,35 @@
           break;
       }
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#setStrokePaint
     * @param {module:jGraduate~Paint} paint
     * @returns {undefined}
     */
+
+
     this.setStrokePaint = function (paint) {
       this.setPaint('stroke', paint);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#setFillPaint
     * @param {module:jGraduate~Paint} paint
     * @returns {undefined}
     */
+
+
     this.setFillPaint = function (paint) {
       this.setPaint('fill', paint);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getStrokeWidth
     * @returns {Float|string} The current stroke-width value
     */
+
+
     this.getStrokeWidth = function () {
       return curProperties.stroke_width;
     };
-
     /**
     * Sets the stroke width for the current selected elements.
     * When attempting to set a line's width to 0, this changes it to 1 instead
@@ -17950,22 +19153,28 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setStrokeWidth = function (val) {
       if (val === 0 && ['line', 'path'].includes(currentMode)) {
         canvas.setStrokeWidth(1);
         return;
       }
-      curProperties.stroke_width = val;
 
+      curProperties.stroke_width = val;
       var elems = [];
+
       function addNonG(e) {
         if (e.nodeName !== 'g') {
           elems.push(e);
         }
       }
+
       var i = selectedElements.length;
+
       while (i--) {
         var elem = selectedElements[i];
+
         if (elem) {
           if (elem.tagName === 'g') {
             walkTree(elem, addNonG);
@@ -17974,12 +19183,12 @@
           }
         }
       }
+
       if (elems.length > 0) {
         changeSelectedAttribute('stroke-width', val, elems);
         call('changed', selectedElements);
       }
     };
-
     /**
     * Set the given stroke-related attribute the given value for selected elements
     * @function module:svgcanvas.SvgCanvas#setStrokeAttr
@@ -17988,13 +19197,16 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setStrokeAttr = function (attr, val) {
       curShape[attr.replace('-', '_')] = val;
       var elems = [];
-
       var i = selectedElements.length;
+
       while (i--) {
         var elem = selectedElements[i];
+
         if (elem) {
           if (elem.tagName === 'g') {
             walkTree(elem, function (e) {
@@ -18007,12 +19219,12 @@
           }
         }
       }
+
       if (elems.length > 0) {
         changeSelectedAttribute(attr, val, elems);
         call('changed', selectedElements);
       }
     };
-
     /**
     * @typedef {PlainObject} module:svgcanvas.StyleOptions
     * @property {string} fill
@@ -18030,43 +19242,47 @@
     * @function module:svgcanvas.SvgCanvas#getStyle
     * @returns {module:svgcanvas.StyleOptions} current style options
     */
+
+
     this.getStyle = function () {
       return curShape;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getOpacity
     * @returns {Float} the current opacity
     */
-    this.getOpacity = getOpacity;
 
+
+    this.getOpacity = getOpacity;
     /**
     * Sets the given opacity to the current selected elements
     * @function module:svgcanvas.SvgCanvas#setOpacity
     * @param {string} val
     * @returns {undefined}
     */
+
     this.setOpacity = function (val) {
       curShape.opacity = val;
       changeSelectedAttribute('opacity', val);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getFillOpacity
     * @returns {Float} the current fill opacity
     */
+
+
     this.getFillOpacity = function () {
       return curShape.fill_opacity;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getStrokeOpacity
     * @returns {string} the current stroke opacity
     */
+
+
     this.getStrokeOpacity = function () {
       return curShape.stroke_opacity;
     };
-
     /**
     * Sets the current fill/stroke opacity
     * @function module:svgcanvas.SvgCanvas#setPaintOpacity
@@ -18075,44 +19291,51 @@
     * @param {boolean} preventUndo - Indicates whether or not this should be an undoable action
     * @returns {undefined}
     */
+
+
     this.setPaintOpacity = function (type, val, preventUndo) {
       curShape[type + '_opacity'] = val;
+
       if (!preventUndo) {
         changeSelectedAttribute(type + '-opacity', val);
       } else {
         changeSelectedAttributeNoUndo(type + '-opacity', val);
       }
     };
-
     /**
     * Gets the current fill/stroke opacity
     * @function module:svgcanvas.SvgCanvas#getPaintOpacity
     * @param {"fill"|"stroke"} type - String with "fill" or "stroke"
     * @returns {Float} Fill/stroke opacity
     */
+
+
     this.getPaintOpacity = function (type) {
       return type === 'fill' ? this.getFillOpacity() : this.getStrokeOpacity();
     };
-
     /**
     * Gets the `stdDeviation` blur value of the given element
     * @function module:svgcanvas.SvgCanvas#getBlur
     * @param {Element} elem - The element to check the blur value for
     * @returns {string} stdDeviation blur attribute value
     */
+
+
     this.getBlur = function (elem) {
-      var val = 0;
-      // const elem = selectedElements[0];
+      var val = 0; // const elem = selectedElements[0];
 
       if (elem) {
         var filterUrl = elem.getAttribute('filter');
+
         if (filterUrl) {
           var blur = getElem(elem.id + '_blur');
+
           if (blur) {
             val = blur.firstChild.getAttribute('stdDeviation');
           }
         }
       }
+
       return val;
     };
 
@@ -18120,18 +19343,19 @@
       var curCommand = null;
       var filter = null;
       var filterHidden = false;
-
       /**
       * Sets the `stdDeviation` blur value on the selected element without being undoable
       * @function module:svgcanvas.SvgCanvas#setBlurNoUndo
       * @param {Float} val - The new `stdDeviation` value
       * @returns {undefined}
       */
+
       canvas.setBlurNoUndo = function (val) {
         if (!filter) {
           canvas.setBlur(val);
           return;
         }
+
         if (val === 0) {
           // Don't change the StdDev, as that will hide the element.
           // Instead, just remove the value for "filter"
@@ -18139,14 +19363,17 @@
           filterHidden = true;
         } else {
           var elem = selectedElements[0];
+
           if (filterHidden) {
             changeSelectedAttributeNoUndo('filter', 'url(#' + elem.id + '_blur)');
           }
+
           if (isWebkit()) {
             console.log('e', elem);
             elem.removeAttribute('filter');
             elem.setAttribute('filter', 'url(#' + elem.id + '_blur)');
           }
+
           changeSelectedAttributeNoUndo('stdDeviation', val, [filter.firstChild]);
           canvas.setBlurOffsets(filter, val);
         }
@@ -18159,7 +19386,6 @@
         curCommand = null;
         filter = null;
       }
-
       /**
       * Sets the `x`, `y`, `width`, `height` values of the filter element in order to
       * make the blur not be clipped. Removes them if not neeeded
@@ -18168,6 +19394,8 @@
       * @param {Float} stdDev - The standard deviation value on which to base the offset size
       * @returns {undefined}
       */
+
+
       canvas.setBlurOffsets = function (filter, stdDev) {
         if (stdDev > 3) {
           // TODO: Create algorithm here where size is based on expected blur
@@ -18187,7 +19415,6 @@
           }
         }
       };
-
       /**
       * Adds/updates the blur filter to the selected element
       * @function module:svgcanvas.SvgCanvas#setBlur
@@ -18195,48 +19422,48 @@
       * @param {boolean} complete - Whether or not the action should be completed (to add to the undo manager)
       * @returns {undefined}
       */
+
+
       canvas.setBlur = function (val, complete) {
         if (curCommand) {
           finishChange();
           return;
-        }
+        } // Looks for associated blur, creates one if not found
+
 
-        // Looks for associated blur, creates one if not found
         var elem = selectedElements[0];
         var elemId = elem.id;
         filter = getElem(elemId + '_blur');
-
         val -= 0;
+        var batchCmd = new BatchCommand$1(); // Blur found!
 
-        var batchCmd = new BatchCommand$1();
-
-        // Blur found!
         if (filter) {
           if (val === 0) {
             filter = null;
           }
         } else {
           // Not found, so create
-          var newblur = addSVGElementFromJson({ element: 'feGaussianBlur',
+          var newblur = addSVGElementFromJson({
+            element: 'feGaussianBlur',
             attr: {
               in: 'SourceGraphic',
               stdDeviation: val
             }
           });
-
-          filter = addSVGElementFromJson({ element: 'filter',
+          filter = addSVGElementFromJson({
+            element: 'filter',
             attr: {
               id: elemId + '_blur'
             }
           });
-
           filter.append(newblur);
           findDefs().append(filter);
-
           batchCmd.addSubCommand(new InsertElementCommand$1(filter));
         }
 
-        var changes = { filter: elem.getAttribute('filter') };
+        var changes = {
+          filter: elem.getAttribute('filter')
+        };
 
         if (val === 0) {
           elem.removeAttribute('filter');
@@ -18247,162 +19474,185 @@
         changeSelectedAttribute('filter', 'url(#' + elemId + '_blur)');
         batchCmd.addSubCommand(new ChangeElementCommand$1(elem, changes));
         canvas.setBlurOffsets(filter, val);
-
         curCommand = batchCmd;
         canvas.undoMgr.beginUndoableChange('stdDeviation', [filter ? filter.firstChild : null]);
+
         if (complete) {
           canvas.setBlurNoUndo(val);
           finishChange();
         }
       };
     })();
-
     /**
     * Check whether selected element is bold or not
     * @function module:svgcanvas.SvgCanvas#getBold
     * @returns {boolean} Indicates whether or not element is bold
     */
+
+
     this.getBold = function () {
       // should only have one element selected
       var selected = selectedElements[0];
+
       if (selected != null && selected.tagName === 'text' && selectedElements[1] == null) {
         return selected.getAttribute('font-weight') === 'bold';
       }
+
       return false;
     };
-
     /**
     * Make the selected element bold or normal
     * @function module:svgcanvas.SvgCanvas#setBold
     * @param {boolean} b - Indicates bold (`true`) or normal (`false`)
     * @returns {undefined}
     */
+
+
     this.setBold = function (b) {
       var selected = selectedElements[0];
+
       if (selected != null && selected.tagName === 'text' && selectedElements[1] == null) {
         changeSelectedAttribute('font-weight', b ? 'bold' : 'normal');
       }
+
       if (!selectedElements[0].textContent) {
         textActions.setCursor();
       }
     };
-
     /**
     * Check whether selected element is italic or not
     * @function module:svgcanvas.SvgCanvas#getItalic
     * @returns {boolean} Indicates whether or not element is italic
     */
+
+
     this.getItalic = function () {
       var selected = selectedElements[0];
+
       if (selected != null && selected.tagName === 'text' && selectedElements[1] == null) {
         return selected.getAttribute('font-style') === 'italic';
       }
+
       return false;
     };
-
     /**
     * Make the selected element italic or normal
     * @function module:svgcanvas.SvgCanvas#setItalic
     * @param {boolean} b - Indicates italic (`true`) or normal (`false`)
     * @returns {undefined}
     */
+
+
     this.setItalic = function (i) {
       var selected = selectedElements[0];
+
       if (selected != null && selected.tagName === 'text' && selectedElements[1] == null) {
         changeSelectedAttribute('font-style', i ? 'italic' : 'normal');
       }
+
       if (!selectedElements[0].textContent) {
         textActions.setCursor();
       }
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getFontFamily
     * @returns {string} The current font family
     */
+
+
     this.getFontFamily = function () {
       return curText.font_family;
     };
-
     /**
     * Set the new font family
     * @function module:svgcanvas.SvgCanvas#setFontFamily
     * @param {string} val - String with the new font family
     * @returns {undefined}
     */
+
+
     this.setFontFamily = function (val) {
       curText.font_family = val;
       changeSelectedAttribute('font-family', val);
+
       if (selectedElements[0] && !selectedElements[0].textContent) {
         textActions.setCursor();
       }
     };
-
     /**
     * Set the new font color
     * @function module:svgcanvas.SvgCanvas#setFontColor
     * @param {string} val - String with the new font color
     * @returns {undefined}
     */
+
+
     this.setFontColor = function (val) {
       curText.fill = val;
       changeSelectedAttribute('fill', val);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getFontColor
     * @returns {string} The current font color
     */
+
+
     this.getFontColor = function () {
       return curText.fill;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getFontSize
     * @returns {Float} The current font size
     */
+
+
     this.getFontSize = function () {
       return curText.font_size;
     };
-
     /**
     * Applies the given font size to the selected element
     * @function module:svgcanvas.SvgCanvas#setFontSize
     * @param {Float} val - Float with the new font size
     * @returns {undefined}
     */
+
+
     this.setFontSize = function (val) {
       curText.font_size = val;
       changeSelectedAttribute('font-size', val);
+
       if (!selectedElements[0].textContent) {
         textActions.setCursor();
       }
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getText
     * @returns {string} The current text (`textContent`) of the selected element
     */
+
+
     this.getText = function () {
       var selected = selectedElements[0];
+
       if (selected == null) {
         return '';
       }
+
       return selected.textContent;
     };
-
     /**
     * Updates the text element with the given string
     * @function module:svgcanvas.SvgCanvas#setTextContent
     * @param {string} val - String with the new text
     * @returns {undefined}
     */
+
+
     this.setTextContent = function (val) {
       changeSelectedAttribute('#text', val);
       textActions.init(val);
       textActions.setCursor();
     };
-
     /**
     * Sets the new image URL for the selected image element. Updates its size if
     * a new URL is given
@@ -18411,59 +19661,59 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setImageURL = function (val) {
       var elem = selectedElements[0];
+
       if (!elem) {
         return;
       }
 
       var attrs = $$9(elem).attr(['width', 'height']);
       var setsize = !attrs.width || !attrs.height;
+      var curHref = getHref(elem); // Do nothing if no URL change or size change
 
-      var curHref = getHref(elem);
-
-      // Do nothing if no URL change or size change
       if (curHref === val && !setsize) {
         return;
       }
 
       var batchCmd = new BatchCommand$1('Change Image URL');
-
       setHref(elem, val);
       batchCmd.addSubCommand(new ChangeElementCommand$1(elem, {
         '#href': curHref
       }));
-
       $$9(new Image()).load(function () {
         var changes = $$9(elem).attr(['width', 'height']);
-
         $$9(elem).attr({
           width: this.width,
           height: this.height
         });
-
         selectorManager.requestSelector(elem).resize();
-
         batchCmd.addSubCommand(new ChangeElementCommand$1(elem, changes));
         addCommandToHistory(batchCmd);
         call('changed', [elem]);
       }).attr('src', val);
     };
-
     /**
     * Sets the new link URL for the selected anchor element.
     * @function module:svgcanvas.SvgCanvas#setLinkURL
     * @param {string} val - String with the link URL/path
     * @returns {undefined}
     */
+
+
     this.setLinkURL = function (val) {
       var elem = selectedElements[0];
+
       if (!elem) {
         return;
       }
+
       if (elem.tagName !== 'a') {
         // See if parent is an anchor
         var parentsA = $$9(elem).parents('a');
+
         if (parentsA.length) {
           elem = parentsA[0];
         } else {
@@ -18478,15 +19728,12 @@
       }
 
       var batchCmd = new BatchCommand$1('Change Link URL');
-
       setHref(elem, val);
       batchCmd.addSubCommand(new ChangeElementCommand$1(elem, {
         '#href': curHref
       }));
-
       addCommandToHistory(batchCmd);
     };
-
     /**
     * Sets the `rx` and `ry` values to the selected `rect` element to change its corner radius
     * @function module:svgcanvas.SvgCanvas#setRectRadius
@@ -18494,40 +19741,46 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setRectRadius = function (val) {
       var selected = selectedElements[0];
+
       if (selected != null && selected.tagName === 'rect') {
         var r = selected.getAttribute('rx');
+
         if (r !== String(val)) {
           selected.setAttribute('rx', val);
           selected.setAttribute('ry', val);
-          addCommandToHistory(new ChangeElementCommand$1(selected, { rx: r, ry: r }, 'Radius'));
+          addCommandToHistory(new ChangeElementCommand$1(selected, {
+            rx: r,
+            ry: r
+          }, 'Radius'));
           call('changed', [selected]);
         }
       }
     };
-
     /**
     * Wraps the selected element(s) in an anchor element or converts group to one
     * @function module:svgcanvas.SvgCanvas#makeHyperlink
     * @param {string} url
     * @returns {undefined}
     */
-    this.makeHyperlink = function (url) {
-      canvas.groupSelectedElements('a', url);
 
-      // TODO: If element is a single "g", convert to "a"
+
+    this.makeHyperlink = function (url) {
+      canvas.groupSelectedElements('a', url); // TODO: If element is a single "g", convert to "a"
       //  if (selectedElements.length > 1 && selectedElements[1]) {
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#removeHyperlink
     * @returns {undefined}
     */
+
+
     this.removeHyperlink = function () {
       canvas.ungroupSelectedElement();
     };
-
     /**
     * Group: Element manipulation
     */
@@ -18538,10 +19791,11 @@
     * @param {Integer} newType - New segment type. See {@link https://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSeg} for list
     * @returns {undefined}
     */
+
+
     this.setSegType = function (newType) {
       pathActions$$1.setSegType(newType);
     };
-
     /**
     * Convert selected element to a path, or get the BBox of an element-as-path
     * @function module:svgcanvas.SvgCanvas#convertToPath
@@ -18551,6 +19805,8 @@
     * @returns {undefined|DOMRect|false|SVGPathElement|null} If the getBBox flag is true, the resulting path's bounding box object.
     * Otherwise the resulting path element is returned.
     */
+
+
     this.convertToPath = function (elem, getBBox$$1) {
       if (elem == null) {
         var elems = selectedElements;
@@ -18561,11 +19817,13 @@
         });
         return;
       }
+
       if (getBBox$$1) {
         return getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions$$1);
-      }
-      // TODO: Why is this applying attributes from curShape, then inside utilities.convertToPath it's pulling addition attributes from elem?
+      } // TODO: Why is this applying attributes from curShape, then inside utilities.convertToPath it's pulling addition attributes from elem?
       // TODO: If convertToPath is called with one elem, curShape and elem are probably the same; but calling with multiple is a bug or cool feature.
+
+
       var attrs = {
         fill: curShape.fill,
         'fill-opacity': curShape.fill_opacity,
@@ -18580,7 +19838,6 @@
       };
       return convertToPath(elem, attrs, addSVGElementFromJson, pathActions$$1, clearSelection, addToSelection, history, addCommandToHistory);
     };
-
     /**
     * This function makes the changes to the elements. It does not add the change
     * to the history stack.
@@ -18589,11 +19846,14 @@
     * @param {Element[]} elems - The DOM elements to apply the change to
     * @returns {undefined}
     */
+
+
     var changeSelectedAttributeNoUndo = function changeSelectedAttributeNoUndo(attr, newValue, elems) {
       if (currentMode === 'pathedit') {
         // Editing node
         pathActions$$1.moveNode(attr, newValue);
       }
+
       elems = elems || selectedElements;
       var i = elems.length;
       var noXYElems = ['g', 'polyline', 'path'];
@@ -18601,36 +19861,38 @@
 
       var _loop = function _loop() {
         var elem = elems[i];
-        if (elem == null) {
-          return 'continue';
-        }
 
-        // Set x,y vals on elements that don't have them
+        if (elem == null) {
+          return "continue";
+        } // Set x,y vals on elements that don't have them
+
+
         if ((attr === 'x' || attr === 'y') && noXYElems.includes(elem.tagName)) {
           var bbox = getStrokedBBoxDefaultVisible([elem]);
           var diffX = attr === 'x' ? newValue - bbox.x : 0;
           var diffY = attr === 'y' ? newValue - bbox.y : 0;
           canvas.moveSelectedElements(diffX * currentZoom, diffY * currentZoom, true);
-          return 'continue';
-        }
-
-        // only allow the transform/opacity/filter attribute to change on <g> elements, slightly hacky
+          return "continue";
+        } // only allow the transform/opacity/filter attribute to change on <g> elements, slightly hacky
         // TODO: FIXME: This doesn't seem right. Where's the body of this if statement?
+
+
         if (elem.tagName === 'g' && goodGAttrs.includes(attr)) ;
+
         var oldval = attr === '#text' ? elem.textContent : elem.getAttribute(attr);
+
         if (oldval == null) {
           oldval = '';
         }
+
         if (oldval !== String(newValue)) {
           if (attr === '#text') {
             // const oldW = utilsGetBBox(elem).width;
-            elem.textContent = newValue;
+            elem.textContent = newValue; // FF bug occurs on on rotated elements
 
-            // FF bug occurs on on rotated elements
             if (/rotate/.test(elem.getAttribute('transform'))) {
               elem = ffClone(elem);
-            }
-            // Hoped to solve the issue of moving text with text-anchor="start",
+            } // Hoped to solve the issue of moving text with text-anchor="start",
             // but this doesn't actually fix it. Hopefully on the right track, though. -Fyrd
             // const box = getBBox(elem), left = box.x, top = box.y, {width, height} = box,
             //   dx = width - oldW, dy = 0;
@@ -18644,35 +19906,36 @@
             //   elem.setAttribute('x', elem.getAttribute('x') - dx);
             //   elem.setAttribute('y', elem.getAttribute('y') - dy);
             // }
+
           } else if (attr === '#href') {
             setHref(elem, newValue);
           } else {
             elem.setAttribute(attr, newValue);
-          }
-
-          // Go into "select" mode for text changes
+          } // Go into "select" mode for text changes
           // NOTE: Important that this happens AFTER elem.setAttribute() or else attributes like
           // font-size can get reset to their old value, ultimately by svgEditor.updateContextPanel(),
           // after calling textActions.toSelectMode() below
+
+
           if (currentMode === 'textedit' && attr !== '#text' && elem.textContent.length) {
             textActions.toSelectMode(elem);
-          }
-
-          // if (i === 0) {
+          } // if (i === 0) {
           //   selectedBBoxes[0] = utilsGetBBox(elem);
           // }
-
           // Use the Firefox ffClone hack for text elements with gradients or
           // where other text attributes are changed.
+
+
           if (isGecko() && elem.nodeName === 'text' && /rotate/.test(elem.getAttribute('transform'))) {
             if (String(newValue).startsWith('url') || ['font-size', 'font-family', 'x', 'y'].includes(attr) && elem.textContent) {
               elem = ffClone(elem);
             }
-          }
-          // Timeout needed for Opera & Firefox
+          } // Timeout needed for Opera & Firefox
           // codedread: it is now possible for this function to be called with elements
           // that are not in the selectedElements array, we need to only request a
           // selector if the element is in that array
+
+
           if (selectedElements.includes(elem)) {
             setTimeout(function () {
               // Due to element replacement, this element may no longer
@@ -18680,21 +19943,25 @@
               if (!elem.parentNode) {
                 return;
               }
+
               selectorManager.requestSelector(elem).resize();
             }, 0);
-          }
-          // if this element was rotated, and we changed the position of this element
+          } // if this element was rotated, and we changed the position of this element
           // we need to update the rotational transform attribute
+
+
           var angle = getRotationAngle(elem);
+
           if (angle !== 0 && attr !== 'transform') {
             var tlist = getTransformList(elem);
             var n = tlist.numberOfItems;
+
             while (n--) {
               var xform = tlist.getItem(n);
+
               if (xform.type === 4) {
                 // remove old rotate
                 tlist.removeItem(n);
-
                 var box = getBBox(elem);
                 var center = transformPoint(box.x + box.width / 2, box.y + box.height / 2, transformListToTransform(tlist).matrix);
                 var cx = center.x,
@@ -18707,15 +19974,16 @@
             }
           }
         } // if oldValue != newValue
+
       };
 
       while (i--) {
         var _ret2 = _loop();
 
-        if (_ret2 === 'continue') continue;
+        if (_ret2 === "continue") continue;
       } // for each elem
-    };
 
+    };
     /**
     * Change the given/selected element and add the original value to the history stack.
     * If you want to change all `selectedElements`, ignore the `elems` argument.
@@ -18727,19 +19995,19 @@
     * @param {Element[]} elems - The DOM elements to apply the change to
     * @returns {undefined}
     */
+
+
     var changeSelectedAttribute = this.changeSelectedAttribute = function (attr, val, elems) {
       elems = elems || selectedElements;
-      canvas.undoMgr.beginUndoableChange(attr, elems);
-      // const i = elems.length;
+      canvas.undoMgr.beginUndoableChange(attr, elems); // const i = elems.length;
 
       changeSelectedAttributeNoUndo(attr, val, elems);
-
       var batchCmd = canvas.undoMgr.finishUndoableChange();
+
       if (!batchCmd.isEmpty()) {
         addCommandToHistory(batchCmd);
       }
     };
-
     /**
     * Removes all selected elements from the DOM and adds the change to the
     * history stack
@@ -18747,6 +20015,8 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.deleteSelectedElements = function () {
       var batchCmd = new BatchCommand$1('Delete Elements');
       var len = selectedElements.length;
@@ -18754,20 +20024,18 @@
 
       for (var i = 0; i < len; ++i) {
         var selected = selectedElements[i];
+
         if (selected == null) {
           break;
         }
 
         var parent = selected.parentNode;
-        var t = selected;
+        var t = selected; // this will unselect the element and remove the selectedOutline
 
-        // this will unselect the element and remove the selectedOutline
-        selectorManager.releaseSelector(t);
+        selectorManager.releaseSelector(t); // Remove the path if present.
 
-        // Remove the path if present.
-        removePath_(t.id);
+        removePath_(t.id); // Get the parent if it's a single-child anchor
 
-        // Get the parent if it's a single-child anchor
         if (parent.tagName === 'a' && parent.childNodes.length === 1) {
           t = parent;
           parent = parent.parentNode;
@@ -18775,44 +20043,46 @@
 
         var _t = t,
             nextSibling = _t.nextSibling;
-
-        var _elem2 = parent.removeChild(t);
+        var elem = parent.removeChild(t);
         selectedCopy.push(selected); // for the copy
-        batchCmd.addSubCommand(new RemoveElementCommand$1(_elem2, nextSibling, parent));
+
+        batchCmd.addSubCommand(new RemoveElementCommand$1(elem, nextSibling, parent));
       }
+
       selectedElements = [];
 
       if (!batchCmd.isEmpty()) {
         addCommandToHistory(batchCmd);
       }
+
       call('changed', selectedCopy);
       clearSelection();
     };
-
     /**
     * Removes all selected elements from the DOM and adds the change to the
     * history stack. Remembers removed elements on the clipboard
     * @function module:svgcanvas.SvgCanvas#cutSelectedElements
     * @returns {undefined}
     */
+
+
     this.cutSelectedElements = function () {
       canvas.copySelectedElements();
       canvas.deleteSelectedElements();
     };
-
     /**
     * Remembers the current selected elements on the clipboard
     * @function module:svgcanvas.SvgCanvas#copySelectedElements
     * @returns {undefined}
     */
+
+
     this.copySelectedElements = function () {
       localStorage.setItem('svgedit_clipboard', JSON.stringify(selectedElements.map(function (x) {
         return getJsonFromSvgElement(x);
       })));
-
       $$9('#cmenu_canvas').enableContextMenuItems('#paste,#paste_in_place');
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#pasteElements
     * @param {"in_place"|"point"|undefined} type
@@ -18822,35 +20092,40 @@
     * @fires module:svgcanvas.SvgCanvas#event:ext-IDsUpdated
     * @returns {undefined}
     */
+
+
     this.pasteElements = function (type, x, y) {
       var clipb = JSON.parse(localStorage.getItem('svgedit_clipboard'));
       var len = clipb.length;
+
       if (!len) {
         return;
       }
 
       var pasted = [];
-      var batchCmd = new BatchCommand$1('Paste elements');
-      // const drawing = getCurrentDrawing();
+      var batchCmd = new BatchCommand$1('Paste elements'); // const drawing = getCurrentDrawing();
+
       /**
       * @typedef {PlainObject.<string, string>} module:svgcanvas.ChangedIDs
       */
+
       /**
        * @type {module:svgcanvas.ChangedIDs}
        */
-      var changedIDs = {};
 
-      // Recursively replace IDs and record the changes
+      var changedIDs = {}; // Recursively replace IDs and record the changes
+
       function checkIDs(elem) {
         if (elem.attr && elem.attr.id) {
           changedIDs[elem.attr.id] = getNextId();
           elem.attr.id = changedIDs[elem.attr.id];
         }
+
         if (elem.children) elem.children.forEach(checkIDs);
       }
-      clipb.forEach(checkIDs);
 
-      // Give extensions like the connector extension a chance to reflect new IDs and remove invalid elements
+      clipb.forEach(checkIDs); // Give extensions like the connector extension a chance to reflect new IDs and remove invalid elements
+
       /**
       * Triggered when `pasteElements` is called from a paste action (context menu or key)
       * @event module:svgcanvas.SvgCanvas#event:ext-IDsUpdated
@@ -18858,37 +20133,38 @@
       * @property {module:svgcanvas.SVGAsJSON[]} elems
       * @property {module:svgcanvas.ChangedIDs} changes Maps past ID (on attribute) to current ID
       */
+
       runExtensions('IDsUpdated',
       /** @type {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} */
-      { elems: clipb, changes: changedIDs }, true).forEach(function (extChanges) {
+      {
+        elems: clipb,
+        changes: changedIDs
+      }, true).forEach(function (extChanges) {
         if (!extChanges || !('remove' in extChanges)) return;
-
         extChanges.remove.forEach(function (removeID) {
           clipb = clipb.filter(function (clipBoardItem) {
             return clipBoardItem.attr.id !== removeID;
           });
         });
-      });
+      }); // Move elements to lastClickPoint
 
-      // Move elements to lastClickPoint
       while (len--) {
-        var _elem3 = clipb[len];
-        if (!_elem3) {
+        var elem = clipb[len];
+
+        if (!elem) {
           continue;
         }
 
-        var copy = addSVGElementFromJson(_elem3);
+        var copy = addSVGElementFromJson(elem);
         pasted.push(copy);
         batchCmd.addSubCommand(new InsertElementCommand$1(copy));
-
         restoreRefElems(copy);
       }
 
       selectOnly(pasted);
 
       if (type !== 'in_place') {
-        var ctrX = void 0,
-            ctrY = void 0;
+        var ctrX, ctrY;
 
         if (!type) {
           ctrX = lastClickPoint.x;
@@ -18903,12 +20179,10 @@
             cy = ctrY - (bbox.y + bbox.height / 2),
             dx = [],
             dy = [];
-
         $$9.each(pasted, function (i, item) {
           dx.push(cx);
           dy.push(cy);
         });
-
         var cmd = canvas.moveSelectedElements(dx, dy, false);
         if (cmd) batchCmd.addSubCommand(cmd);
       }
@@ -18916,7 +20190,6 @@
       addCommandToHistory(batchCmd);
       call('changed', pasted);
     };
-
     /**
     * Wraps all the selected elements in a group (`g`) element
     * @function module:svgcanvas.SvgCanvas#groupSelectedElements
@@ -18924,12 +20197,15 @@
     * @param {string} [urlArg]
     * @returns {undefined}
     */
+
+
     this.groupSelectedElements = function (type, urlArg) {
       if (!type) {
         type = 'g';
       }
+
       var cmdStr = '';
-      var url = void 0;
+      var url;
 
       switch (type) {
         case 'a':
@@ -18937,7 +20213,9 @@
             cmdStr = 'Make hyperlink';
             url = urlArg || '';
             break;
-          }default:
+          }
+
+        default:
           {
             type = 'g';
             cmdStr = 'Group Elements';
@@ -18945,45 +20223,47 @@
           }
       }
 
-      var batchCmd = new BatchCommand$1(cmdStr);
+      var batchCmd = new BatchCommand$1(cmdStr); // create and insert the group element
 
-      // create and insert the group element
       var g = addSVGElementFromJson({
         element: type,
         attr: {
           id: getNextId()
         }
       });
+
       if (type === 'a') {
         setHref(g, url);
       }
-      batchCmd.addSubCommand(new InsertElementCommand$1(g));
 
-      // now move all children into the group
+      batchCmd.addSubCommand(new InsertElementCommand$1(g)); // now move all children into the group
+
       var i = selectedElements.length;
+
       while (i--) {
-        var _elem4 = selectedElements[i];
-        if (_elem4 == null) {
+        var elem = selectedElements[i];
+
+        if (elem == null) {
           continue;
         }
 
-        if (_elem4.parentNode.tagName === 'a' && _elem4.parentNode.childNodes.length === 1) {
-          _elem4 = _elem4.parentNode;
+        if (elem.parentNode.tagName === 'a' && elem.parentNode.childNodes.length === 1) {
+          elem = elem.parentNode;
         }
 
-        var oldNextSibling = _elem4.nextSibling;
-        var oldParent = _elem4.parentNode;
-        g.append(_elem4);
-        batchCmd.addSubCommand(new MoveElementCommand$1(_elem4, oldNextSibling, oldParent));
+        var oldNextSibling = elem.nextSibling;
+        var oldParent = elem.parentNode;
+        g.append(elem);
+        batchCmd.addSubCommand(new MoveElementCommand$1(elem, oldNextSibling, oldParent));
       }
+
       if (!batchCmd.isEmpty()) {
         addCommandToHistory(batchCmd);
-      }
+      } // update selection
+
 
-      // update selection
       selectOnly([g], true);
     };
-
     /**
     * Pushes all appropriate parent group properties down to its children, then
     * removes them from the group
@@ -18992,17 +20272,15 @@
     * @param {boolean} undoable
     * @returns {undefined}
     */
+
+
     var pushGroupProperties = this.pushGroupProperties = function (g, undoable) {
       var children = g.childNodes;
       var len = children.length;
       var xform = g.getAttribute('transform');
-
       var glist = getTransformList(g);
       var m = transformListToTransform(glist).matrix;
-
-      var batchCmd = new BatchCommand$1('Push group properties');
-
-      // TODO: get all fill/stroke properties from the group that we are about to destroy
+      var batchCmd = new BatchCommand$1('Push group properties'); // TODO: get all fill/stroke properties from the group that we are about to destroy
       // "fill", "fill-opacity", "fill-rule", "stroke", "stroke-dasharray", "stroke-dashoffset",
       // "stroke-linecap", "stroke-linejoin", "stroke-miterlimit", "stroke-opacity",
       // "stroke-width"
@@ -19010,40 +20288,39 @@
       // then set the child's attribute
 
       var gangle = getRotationAngle(g);
-
       var gattrs = $$9(g).attr(['filter', 'opacity']);
-      var gfilter = void 0,
-          gblur = void 0,
-          changes = void 0;
+      var gfilter, gblur, changes;
       var drawing = getCurrentDrawing();
 
       for (var i = 0; i < len; i++) {
-        var _elem5 = children[i];
+        var elem = children[i];
 
-        if (_elem5.nodeType !== 1) {
+        if (elem.nodeType !== 1) {
           continue;
         }
 
         if (gattrs.opacity !== null && gattrs.opacity !== 1) {
           // const c_opac = elem.getAttribute('opacity') || 1;
-          var newOpac = Math.round((_elem5.getAttribute('opacity') || 1) * gattrs.opacity * 100) / 100;
-          changeSelectedAttribute('opacity', newOpac, [_elem5]);
+          var newOpac = Math.round((elem.getAttribute('opacity') || 1) * gattrs.opacity * 100) / 100;
+          changeSelectedAttribute('opacity', newOpac, [elem]);
         }
 
         if (gattrs.filter) {
-          var cblur = this.getBlur(_elem5);
+          var cblur = this.getBlur(elem);
           var origCblur = cblur;
+
           if (!gblur) {
             gblur = this.getBlur(g);
           }
+
           if (cblur) {
             // Is this formula correct?
             cblur = Number(gblur) + Number(cblur);
           } else if (cblur === 0) {
             cblur = gblur;
-          }
+          } // If child has no current filter, get group's filter or clone it.
+
 
-          // If child has no current filter, get group's filter or clone it.
           if (!origCblur) {
             // Set group's filter to use first child's ID
             if (!gfilter) {
@@ -19054,35 +20331,33 @@
               findDefs().append(gfilter);
             }
           } else {
-            gfilter = getRefElem(_elem5.getAttribute('filter'));
-          }
+            gfilter = getRefElem(elem.getAttribute('filter'));
+          } // Change this in future for different filters
+
 
-          // Change this in future for different filters
           var suffix = gfilter.firstChild.tagName === 'feGaussianBlur' ? 'blur' : 'filter';
-          gfilter.id = _elem5.id + '_' + suffix;
-          changeSelectedAttribute('filter', 'url(#' + gfilter.id + ')', [_elem5]);
+          gfilter.id = elem.id + '_' + suffix;
+          changeSelectedAttribute('filter', 'url(#' + gfilter.id + ')', [elem]); // Update blur value
 
-          // Update blur value
           if (cblur) {
             changeSelectedAttribute('stdDeviation', cblur, [gfilter.firstChild]);
             canvas.setBlurOffsets(gfilter, cblur);
           }
         }
 
-        var chtlist = getTransformList(_elem5);
+        var chtlist = getTransformList(elem); // Don't process gradient transforms
 
-        // Don't process gradient transforms
-        if (_elem5.tagName.includes('Gradient')) {
+        if (elem.tagName.includes('Gradient')) {
           chtlist = null;
-        }
+        } // Hopefully not a problem to add this. Necessary for elements like <desc/>
+
 
-        // Hopefully not a problem to add this. Necessary for elements like <desc/>
         if (!chtlist) {
           continue;
-        }
+        } // Apparently <defs> can get get a transformlist, but we don't want it to have one!
 
-        // Apparently <defs> can get get a transformlist, but we don't want it to have one!
-        if (_elem5.tagName === 'defs') {
+
+        if (elem.tagName === 'defs') {
           continue;
         }
 
@@ -19097,35 +20372,29 @@
             // sum of the group and child's rotation angles
             //  - [Tr] is the equivalent translation that this child
             // undergoes if the group wasn't there
-
             // [Tr] = [Rg] [Rc] [Rc2_inv]
-
             // get group's rotation matrix (Rg)
-            var rgm = glist.getItem(0).matrix;
+            var rgm = glist.getItem(0).matrix; // get child's rotation matrix (Rc)
 
-            // get child's rotation matrix (Rc)
             var rcm = svgroot.createSVGMatrix();
-            var cangle = getRotationAngle(_elem5);
+            var cangle = getRotationAngle(elem);
+
             if (cangle) {
               rcm = chtlist.getItem(0).matrix;
-            }
+            } // get child's old center of rotation
 
-            // get child's old center of rotation
-            var cbox = getBBox(_elem5);
+
+            var cbox = getBBox(elem);
             var ceqm = transformListToTransform(chtlist).matrix;
-            var coldc = transformPoint(cbox.x + cbox.width / 2, cbox.y + cbox.height / 2, ceqm);
+            var coldc = transformPoint(cbox.x + cbox.width / 2, cbox.y + cbox.height / 2, ceqm); // sum group and child's angles
 
-            // sum group and child's angles
-            var sangle = gangle + cangle;
+            var sangle = gangle + cangle; // get child's rotation at the old center (Rc2_inv)
 
-            // get child's rotation at the old center (Rc2_inv)
             var r2 = svgroot.createSVGTransform();
-            r2.setRotate(sangle, coldc.x, coldc.y);
+            r2.setRotate(sangle, coldc.x, coldc.y); // calculate equivalent translate
 
-            // calculate equivalent translate
-            var trm = matrixMultiply(rgm, rcm, r2.matrix.inverse());
+            var trm = matrixMultiply(rgm, rcm, r2.matrix.inverse()); // set up tlist
 
-            // set up tlist
             if (cangle) {
               chtlist.removeItem(0);
             }
@@ -19141,6 +20410,7 @@
             if (trm.e || trm.f) {
               var tr = svgroot.createSVGTransform();
               tr.setTranslate(trm.e, trm.f);
+
               if (chtlist.numberOfItems) {
                 chtlist.insertItemBefore(tr, 0);
               } else {
@@ -19151,28 +20421,28 @@
             // more complicated than just a rotate
             // transfer the group's transform down to each child and then
             // call recalculateDimensions()
-            var oldxform = _elem5.getAttribute('transform');
+            var oldxform = elem.getAttribute('transform');
             changes = {};
             changes.transform = oldxform || '';
-
-            var newxform = svgroot.createSVGTransform();
-
-            // [ gm ] [ chm ] = [ chm ] [ gm' ]
+            var newxform = svgroot.createSVGTransform(); // [ gm ] [ chm ] = [ chm ] [ gm' ]
             // [ gm' ] = [ chmInv ] [ gm ] [ chm ]
+
             var chm = transformListToTransform(chtlist).matrix,
                 chmInv = chm.inverse();
             var gm = matrixMultiply(chmInv, m, chm);
             newxform.setMatrix(gm);
             chtlist.appendItem(newxform);
           }
-          var cmd = recalculateDimensions(_elem5);
+
+          var cmd = recalculateDimensions(elem);
+
           if (cmd) {
             batchCmd.addSubCommand(cmd);
           }
         }
-      }
+      } // remove transform and make it undo-able
+
 
-      // remove transform and make it undo-able
       if (xform) {
         changes = {};
         changes.transform = xform;
@@ -19185,23 +20455,27 @@
         return batchCmd;
       }
     };
-
     /**
     * Unwraps all the elements in a selected group (`g`) element. This requires
     * significant recalculations to apply group's transforms, etc. to its children
     * @function module:svgcanvas.SvgCanvas#ungroupSelectedElement
     * @returns {undefined}
     */
+
+
     this.ungroupSelectedElement = function () {
       var g = selectedElements[0];
+
       if (!g) {
         return;
       }
+
       if ($$9(g).data('gsvg') || $$9(g).data('symbol')) {
         // Is svg, so actually convert to group
         convertToGroup(g);
         return;
       }
+
       if (g.tagName === 'use') {
         // Somehow doesn't have data set, so retrieve
         var symbol = getElem(getHref(g).substr(1));
@@ -19209,15 +20483,18 @@
         convertToGroup(g);
         return;
       }
+
       var parentsA = $$9(g).parents('a');
+
       if (parentsA.length) {
         g = parentsA[0];
-      }
+      } // Look for parent "a"
+
 
-      // Look for parent "a"
       if (g.tagName === 'g' || g.tagName === 'a') {
         var batchCmd = new BatchCommand$1('Ungroup Elements');
         var cmd = pushGroupProperties(g, true);
+
         if (cmd) {
           batchCmd.addSubCommand(cmd);
         }
@@ -19225,44 +20502,40 @@
         var parent = g.parentNode;
         var anchor = g.nextSibling;
         var children = new Array(g.childNodes.length);
-
         var i = 0;
+
         while (g.firstChild) {
-          var _elem6 = g.firstChild;
-          var oldNextSibling = _elem6.nextSibling;
-          var oldParent = _elem6.parentNode;
+          var elem = g.firstChild;
+          var oldNextSibling = elem.nextSibling;
+          var oldParent = elem.parentNode; // Remove child title elements
 
-          // Remove child title elements
-          if (_elem6.tagName === 'title') {
-            var _elem7 = _elem6,
-                nextSibling = _elem7.nextSibling;
-
-            batchCmd.addSubCommand(new RemoveElementCommand$1(_elem6, nextSibling, oldParent));
-            _elem6.remove();
+          if (elem.tagName === 'title') {
+            var _elem2 = elem,
+                nextSibling = _elem2.nextSibling;
+            batchCmd.addSubCommand(new RemoveElementCommand$1(elem, nextSibling, oldParent));
+            elem.remove();
             continue;
           }
 
-          children[i++] = _elem6 = parent.insertBefore(_elem6, anchor);
-          batchCmd.addSubCommand(new MoveElementCommand$1(_elem6, oldNextSibling, oldParent));
-        }
+          children[i++] = elem = parent.insertBefore(elem, anchor);
+          batchCmd.addSubCommand(new MoveElementCommand$1(elem, oldNextSibling, oldParent));
+        } // remove the group from the selection
 
-        // remove the group from the selection
-        clearSelection();
 
-        // delete the group element (but make undo-able)
+        clearSelection(); // delete the group element (but make undo-able)
+
         var gNextSibling = g.nextSibling;
         g = parent.removeChild(g);
         batchCmd.addSubCommand(new RemoveElementCommand$1(g, gNextSibling, parent));
 
         if (!batchCmd.isEmpty()) {
           addCommandToHistory(batchCmd);
-        }
+        } // update selection
+
 
-        // update selection
         addToSelection(children);
       }
     };
-
     /**
     * Repositions the selected element to the bottom in the DOM to appear on top of
     * other elements
@@ -19270,25 +20543,26 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.moveToTopSelectedElement = function () {
       var _selectedElements = selectedElements,
-          _selectedElements2 = slicedToArray(_selectedElements, 1),
+          _selectedElements2 = _slicedToArray(_selectedElements, 1),
           selected = _selectedElements2[0];
 
       if (selected != null) {
         var t = selected;
         var oldParent = t.parentNode;
         var oldNextSibling = t.nextSibling;
-        t = t.parentNode.appendChild(t);
-        // If the element actually moved position, add the command and fire the changed
+        t = t.parentNode.appendChild(t); // If the element actually moved position, add the command and fire the changed
         // event handler.
+
         if (oldNextSibling !== t.nextSibling) {
           addCommandToHistory(new MoveElementCommand$1(t, oldNextSibling, oldParent, 'top'));
           call('changed', [t]);
         }
       }
     };
-
     /**
     * Repositions the selected element to the top in the DOM to appear under
     * other elements
@@ -19296,9 +20570,11 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.moveToBottomSelectedElement = function () {
       var _selectedElements3 = selectedElements,
-          _selectedElements4 = slicedToArray(_selectedElements3, 1),
+          _selectedElements4 = _slicedToArray(_selectedElements3, 1),
           selected = _selectedElements4[0];
 
       if (selected != null) {
@@ -19309,22 +20585,23 @@
 
         if (firstChild.tagName === 'title') {
           firstChild = firstChild.nextSibling;
-        }
-        // This can probably be removed, as the defs should not ever apppear
+        } // This can probably be removed, as the defs should not ever apppear
         // inside a layer group
+
+
         if (firstChild.tagName === 'defs') {
           firstChild = firstChild.nextSibling;
         }
-        t = t.parentNode.insertBefore(t, firstChild);
-        // If the element actually moved position, add the command and fire the changed
+
+        t = t.parentNode.insertBefore(t, firstChild); // If the element actually moved position, add the command and fire the changed
         // event handler.
+
         if (oldNextSibling !== t.nextSibling) {
           addCommandToHistory(new MoveElementCommand$1(t, oldNextSibling, oldParent, 'bottom'));
           call('changed', [t]);
         }
       }
     };
-
     /**
     * Moves the select element up or down the stack, based on the visibly
     * intersecting elements
@@ -19333,17 +20610,20 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.moveUpDownSelected = function (dir) {
       var selected = selectedElements[0];
+
       if (!selected) {
         return;
       }
 
       curBBoxes = [];
-      var closest = void 0,
-          foundCur = void 0;
-      // jQuery sorts this list
+      var closest, foundCur; // jQuery sorts this list
+
       var list = $$9(getIntersectionList(getStrokedBBoxDefaultVisible([selected]))).toArray();
+
       if (dir === 'Down') {
         list.reverse();
       }
@@ -19353,11 +20633,14 @@
           if (this === selected) {
             foundCur = true;
           }
+
           return;
         }
+
         closest = this;
         return false;
       });
+
       if (!closest) {
         return;
       }
@@ -19365,15 +20648,14 @@
       var t = selected;
       var oldParent = t.parentNode;
       var oldNextSibling = t.nextSibling;
-      $$9(closest)[dir === 'Down' ? 'before' : 'after'](t);
-      // If the element actually moved position, add the command and fire the changed
+      $$9(closest)[dir === 'Down' ? 'before' : 'after'](t); // If the element actually moved position, add the command and fire the changed
       // event handler.
+
       if (oldNextSibling !== t.nextSibling) {
         addCommandToHistory(new MoveElementCommand$1(t, oldNextSibling, oldParent, 'Move ' + dir));
         call('changed', [t]);
       }
     };
-
     /**
     * Moves selected elements on the X/Y axis
     * @function module:svgcanvas.SvgCanvas#moveSelectedElements
@@ -19383,6 +20665,8 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {BatchCommand} Batch command for the move
     */
+
+
     this.moveSelectedElements = function (dx, dy, undoable) {
       // if undoable is not sent, default to true
       // if single values, scale them to the zoom
@@ -19390,11 +20674,14 @@
         dx /= currentZoom;
         dy /= currentZoom;
       }
+
       undoable = undoable || true;
       var batchCmd = new BatchCommand$1('position');
       var i = selectedElements.length;
+
       while (i--) {
         var selected = selectedElements[i];
+
         if (selected != null) {
           // if (i === 0) {
           //   selectedBBoxes[0] = utilsGetBBox(selected);
@@ -19402,11 +20689,9 @@
           // const b = {};
           // for (const j in selectedBBoxes[i]) b[j] = selectedBBoxes[i][j];
           // selectedBBoxes[i] = b;
-
           var xform = svgroot.createSVGTransform();
-          var tlist = getTransformList(selected);
+          var tlist = getTransformList(selected); // dx and dy could be arrays
 
-          // dx and dy could be arrays
           if (dx.constructor === Array) {
             // if (i === 0) {
             //   selectedBBoxes[0].x += dx[0];
@@ -19428,6 +20713,7 @@
           }
 
           var cmd = recalculateDimensions(selected);
+
           if (cmd) {
             batchCmd.addSubCommand(cmd);
           }
@@ -19435,15 +20721,16 @@
           selectorManager.requestSelector(selected).resize();
         }
       }
+
       if (!batchCmd.isEmpty()) {
         if (undoable) {
           addCommandToHistory(batchCmd);
         }
+
         call('changed', selectedElements);
         return batchCmd;
       }
     };
-
     /**
     * Create deep DOM copies (clones) of all selected elements and move them slightly
     * from their originals
@@ -19452,29 +20739,36 @@
     * @param {Float} y Float with the distance to move on the y-axis
     * @returns {undefined}
     */
+
+
     this.cloneSelectedElements = function (x, y) {
-      var i = void 0,
-          elem = void 0;
-      var batchCmd = new BatchCommand$1('Clone Elements');
-      // find all the elements selected (stop at first null)
+      var i, elem;
+      var batchCmd = new BatchCommand$1('Clone Elements'); // find all the elements selected (stop at first null)
+
       var len = selectedElements.length;
+
       function sortfunction(a, b) {
         return $$9(b).index() - $$9(a).index(); // causes an array to be sorted numerically and ascending
       }
+
       selectedElements.sort(sortfunction);
+
       for (i = 0; i < len; ++i) {
         elem = selectedElements[i];
+
         if (elem == null) {
           break;
         }
-      }
-      // use slice to quickly get the subset of elements we need
+      } // use slice to quickly get the subset of elements we need
+
+
       var copiedElements = selectedElements.slice(0, i);
-      this.clearSelection(true);
-      // note that we loop in the reverse way because of the way elements are added
+      this.clearSelection(true); // note that we loop in the reverse way because of the way elements are added
       // to the selectedElements array (top-first)
+
       var drawing = getCurrentDrawing();
       i = copiedElements.length;
+
       while (i--) {
         // clone each element and replace it within copiedElements
         elem = copiedElements[i] = drawing.copyElem(copiedElements[i]);
@@ -19484,11 +20778,11 @@
 
       if (!batchCmd.isEmpty()) {
         addToSelection(copiedElements.reverse()); // Need to reverse for correct selection-adding
+
         this.moveSelectedElements(x, y, false);
         addCommandToHistory(batchCmd);
       }
     };
-
     /**
     * Aligns selected elements
     * @function module:svgcanvas.SvgCanvas#alignSelectedElements
@@ -19496,26 +20790,32 @@
     * @param {"selected"|"largest"|"smallest"|"page"} relativeTo
     * @returns {undefined}
     */
+
+
     this.alignSelectedElements = function (type, relativeTo) {
       var bboxes = []; // angles = [];
+
       var len = selectedElements.length;
+
       if (!len) {
         return;
       }
+
       var minx = Number.MAX_VALUE,
           maxx = Number.MIN_VALUE,
           miny = Number.MAX_VALUE,
           maxy = Number.MIN_VALUE;
       var curwidth = Number.MIN_VALUE,
           curheight = Number.MIN_VALUE;
+
       for (var i = 0; i < len; ++i) {
         if (selectedElements[i] == null) {
           break;
         }
-        var _elem8 = selectedElements[i];
-        bboxes[i] = getStrokedBBoxDefaultVisible([_elem8]);
 
-        // now bbox is axis-aligned and handles rotation
+        var elem = selectedElements[i];
+        bboxes[i] = getStrokedBBoxDefaultVisible([elem]); // now bbox is axis-aligned and handles rotation
+
         switch (relativeTo) {
           case 'smallest':
             if ((type === 'l' || type === 'c' || type === 'r') && (curwidth === Number.MIN_VALUE || curwidth > bboxes[i].width) || (type === 't' || type === 'm' || type === 'b') && (curheight === Number.MIN_VALUE || curheight > bboxes[i].height)) {
@@ -19526,7 +20826,9 @@
               curwidth = bboxes[i].width;
               curheight = bboxes[i].height;
             }
+
             break;
+
           case 'largest':
             if ((type === 'l' || type === 'c' || type === 'r') && (curwidth === Number.MIN_VALUE || curwidth < bboxes[i].width) || (type === 't' || type === 'm' || type === 'b') && (curheight === Number.MIN_VALUE || curheight < bboxes[i].height)) {
               minx = bboxes[i].x;
@@ -19536,25 +20838,32 @@
               curwidth = bboxes[i].width;
               curheight = bboxes[i].height;
             }
+
             break;
+
           default:
             // 'selected'
             if (bboxes[i].x < minx) {
               minx = bboxes[i].x;
             }
+
             if (bboxes[i].y < miny) {
               miny = bboxes[i].y;
             }
+
             if (bboxes[i].x + bboxes[i].width > maxx) {
               maxx = bboxes[i].x + bboxes[i].width;
             }
+
             if (bboxes[i].y + bboxes[i].height > maxy) {
               maxy = bboxes[i].y + bboxes[i].height;
             }
+
             break;
         }
       } // loop for each element to find the bbox and adjust min/max
 
+
       if (relativeTo === 'page') {
         minx = 0;
         miny = 0;
@@ -19564,44 +20873,52 @@
 
       var dx = new Array(len);
       var dy = new Array(len);
+
       for (var _i2 = 0; _i2 < len; ++_i2) {
         if (selectedElements[_i2] == null) {
           break;
-        }
-        // const elem = selectedElements[i];
+        } // const elem = selectedElements[i];
+
+
         var bbox = bboxes[_i2];
         dx[_i2] = 0;
         dy[_i2] = 0;
+
         switch (type) {
           case 'l':
             // left (horizontal)
             dx[_i2] = minx - bbox.x;
             break;
+
           case 'c':
             // center (horizontal)
             dx[_i2] = (minx + maxx) / 2 - (bbox.x + bbox.width / 2);
             break;
+
           case 'r':
             // right (horizontal)
             dx[_i2] = maxx - (bbox.x + bbox.width);
             break;
+
           case 't':
             // top (vertical)
             dy[_i2] = miny - bbox.y;
             break;
+
           case 'm':
             // middle (vertical)
             dy[_i2] = (miny + maxy) / 2 - (bbox.y + bbox.height / 2);
             break;
+
           case 'b':
             // bottom (vertical)
             dy[_i2] = maxy - (bbox.y + bbox.height);
             break;
         }
       }
+
       this.moveSelectedElements(dx, dy);
     };
-
     /**
     * Group: Additional editor tools
     */
@@ -19610,13 +20927,15 @@
     * @name module:svgcanvas.SvgCanvas#contentW
     * @type {Float}
     */
+
+
     this.contentW = getResolution().w;
     /**
     * @name module:svgcanvas.SvgCanvas#contentH
     * @type {Float}
     */
-    this.contentH = getResolution().h;
 
+    this.contentH = getResolution().h;
     /**
     * @typedef {PlainObject} module:svgcanvas.CanvasInfo
     * @property {Float} x - The canvas' new x coordinate
@@ -19635,6 +20954,7 @@
     * @fires module:svgcanvas.SvgCanvas#event:ext-canvasUpdated
     * @returns {module:svgcanvas.CanvasInfo}
     */
+
     this.updateCanvas = function (w, h) {
       svgroot.setAttribute('width', w);
       svgroot.setAttribute('height', h);
@@ -19643,7 +20963,6 @@
       var oldY = svgcontent.getAttribute('y');
       var x = w / 2 - this.contentW * currentZoom / 2;
       var y = h / 2 - this.contentH * currentZoom / 2;
-
       assignAttributes(svgcontent, {
         width: this.contentW * currentZoom,
         height: this.contentH * currentZoom,
@@ -19651,15 +20970,14 @@
         y: y,
         viewBox: '0 0 ' + this.contentW + ' ' + this.contentH
       });
-
       assignAttributes(bg, {
         width: svgcontent.getAttribute('width'),
         height: svgcontent.getAttribute('height'),
         x: x,
         y: y
       });
-
       var bgImg = getElem('background_image');
+
       if (bgImg) {
         assignAttributes(bgImg, {
           width: '100%',
@@ -19679,14 +20997,28 @@
       * @property {Integer} d_x
       * @property {Integer} d_y
       */
+
       runExtensions('canvasUpdated',
       /**
        * @type {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated}
        */
-      { new_x: x, new_y: y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY });
-      return { x: x, y: y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY };
+      {
+        new_x: x,
+        new_y: y,
+        old_x: oldX,
+        old_y: oldY,
+        d_x: x - oldX,
+        d_y: y - oldY
+      });
+      return {
+        x: x,
+        y: y,
+        old_x: oldX,
+        old_y: oldY,
+        d_x: x - oldX,
+        d_y: y - oldY
+      };
     };
-
     /**
     * Set the background of the editor (NOT the actual document)
     * @function module:svgcanvas.SvgCanvas#setBackground
@@ -19694,11 +21026,14 @@
     * @param {string} url - URL or path to image to use
     * @returns {undefined}
     */
+
+
     this.setBackground = function (color, url) {
       var bg = getElem('canvasBackground');
       var border = $$9(bg).find('rect')[0];
       var bgImg = getElem('background_image');
       border.setAttribute('fill', color);
+
       if (url) {
         if (!bgImg) {
           bgImg = svgdoc.createElementNS(NS.SVG, 'image');
@@ -19710,13 +21045,13 @@
             style: 'pointer-events:none'
           });
         }
+
         setHref(bgImg, url);
         bg.append(bgImg);
       } else if (bgImg) {
         bgImg.remove();
       }
     };
-
     /**
     * Select the next/previous element within the current layer
     * @function module:svgcanvas.SvgCanvas#cycleElement
@@ -19724,38 +21059,45 @@
     * @fires module:svgcanvas.SvgCanvas#event:selected
     * @returns {undefined}
     */
+
+
     this.cycleElement = function (next) {
-      var num = void 0;
+      var num;
       var curElem = selectedElements[0];
       var elem = false;
       var allElems = getVisibleElements(currentGroup || getCurrentDrawing().getCurrentLayer());
+
       if (!allElems.length) {
         return;
       }
+
       if (curElem == null) {
         num = next ? allElems.length - 1 : 0;
         elem = allElems[num];
       } else {
         var i = allElems.length;
+
         while (i--) {
           if (allElems[i] === curElem) {
             num = next ? i - 1 : i + 1;
+
             if (num >= allElems.length) {
               num = 0;
             } else if (num < 0) {
               num = allElems.length - 1;
             }
+
             elem = allElems[num];
             break;
           }
         }
       }
+
       selectOnly([elem], true);
       call('selected', selectedElements);
     };
 
     this.clear();
-
     /**
     * @interface module:svgcanvas.PrivateMethods
     * @type {PlainObject}
@@ -19785,6 +21127,7 @@
     * @property {module:math.transformPoint} transformPoint
     * @property {module:utilities.walkTree} walkTree
     */
+
     /**
     * @deprecated getPrivateMethods
     * Since all methods are/should be public somehow, this function should be removed;
@@ -19797,6 +21140,7 @@
     * @function module:svgcanvas.SvgCanvas#getPrivateMethods
     * @returns {module:svgcanvas.PrivateMethods}
     */
+
     this.getPrivateMethods = function () {
       var obj = {
         addCommandToHistory: addCommandToHistory,
@@ -19834,6 +21178,7 @@
   ; // End class
 
   // Todo: Update: https://github.com/jeresig/jquery.hotkeys
+
   /*
    * jQuery Hotkeys Plugin
    * Copyright 2010, John Resig
@@ -19847,42 +21192,145 @@
    * Original idea by:
    * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/
   */
-
   function jqPluginJSHotkeys (b) {
-    b.hotkeys = { version: "0.8", specialKeys: { 8: "backspace", 9: "tab", 13: "return", 16: "shift", 17: "ctrl", 18: "alt", 19: "pause", 20: "capslock", 27: "esc", 32: "space", 33: "pageup", 34: "pagedown", 35: "end", 36: "home", 37: "left", 38: "up", 39: "right", 40: "down", 45: "insert", 46: "del", 96: "0", 97: "1", 98: "2", 99: "3", 100: "4", 101: "5", 102: "6", 103: "7", 104: "8", 105: "9", 106: "*", 107: "+", 109: "-", 110: ".", 111: "/", 112: "f1", 113: "f2", 114: "f3", 115: "f4", 116: "f5", 117: "f6", 118: "f7", 119: "f8", 120: "f9", 121: "f10", 122: "f11", 123: "f12", 144: "numlock", 145: "scroll", 191: "/", 224: "meta", 219: "[", 221: "]" }, shiftNums: { "`": "~", "1": "!", "2": "@", "3": "#", "4": "$", "5": "%", "6": "^", "7": "&", "8": "*", "9": "(", "0": ")", "-": "_", "=": "+", ";": ": ", "'": '"', ",": "<", ".": ">", "/": "?", "\\": "|" } };function a(d) {
+    b.hotkeys = {
+      version: "0.8",
+      specialKeys: {
+        8: "backspace",
+        9: "tab",
+        13: "return",
+        16: "shift",
+        17: "ctrl",
+        18: "alt",
+        19: "pause",
+        20: "capslock",
+        27: "esc",
+        32: "space",
+        33: "pageup",
+        34: "pagedown",
+        35: "end",
+        36: "home",
+        37: "left",
+        38: "up",
+        39: "right",
+        40: "down",
+        45: "insert",
+        46: "del",
+        96: "0",
+        97: "1",
+        98: "2",
+        99: "3",
+        100: "4",
+        101: "5",
+        102: "6",
+        103: "7",
+        104: "8",
+        105: "9",
+        106: "*",
+        107: "+",
+        109: "-",
+        110: ".",
+        111: "/",
+        112: "f1",
+        113: "f2",
+        114: "f3",
+        115: "f4",
+        116: "f5",
+        117: "f6",
+        118: "f7",
+        119: "f8",
+        120: "f9",
+        121: "f10",
+        122: "f11",
+        123: "f12",
+        144: "numlock",
+        145: "scroll",
+        191: "/",
+        224: "meta",
+        219: "[",
+        221: "]"
+      },
+      shiftNums: {
+        "`": "~",
+        "1": "!",
+        "2": "@",
+        "3": "#",
+        "4": "$",
+        "5": "%",
+        "6": "^",
+        "7": "&",
+        "8": "*",
+        "9": "(",
+        "0": ")",
+        "-": "_",
+        "=": "+",
+        ";": ": ",
+        "'": '"',
+        ",": "<",
+        ".": ">",
+        "/": "?",
+        "\\": "|"
+      }
+    };
+
+    function a(d) {
       if (typeof d.data !== "string") {
         return;
-      }var c = d.handler,
-          e = d.data.toLowerCase().split(" ");d.handler = function (n) {
+      }
+
+      var c = d.handler,
+          e = d.data.toLowerCase().split(" ");
+
+      d.handler = function (n) {
         if (this !== n.target && (/textarea|select/i.test(n.target.nodeName) || n.target.type === "text")) {
           return;
-        }var h = n.type !== "keypress" && b.hotkeys.specialKeys[n.which],
+        }
+
+        var h = n.type !== "keypress" && b.hotkeys.specialKeys[n.which],
             o = String.fromCharCode(n.which).toLowerCase(),
             m = "",
-            g = {};if (n.altKey && h !== "alt") {
+            g = {};
+
+        if (n.altKey && h !== "alt") {
           m += "alt+";
-        }if (n.ctrlKey && h !== "ctrl") {
+        }
+
+        if (n.ctrlKey && h !== "ctrl") {
           m += "ctrl+";
-        }if (n.metaKey && !n.ctrlKey && h !== "meta") {
+        }
+
+        if (n.metaKey && !n.ctrlKey && h !== "meta") {
           m += "meta+";
-        }if (n.shiftKey && h !== "shift") {
+        }
+
+        if (n.shiftKey && h !== "shift") {
           m += "shift+";
-        }if (h) {
+        }
+
+        if (h) {
           g[m + h] = true;
         } else {
-          g[m + o] = true;g[m + b.hotkeys.shiftNums[o]] = true;if (m === "shift+") {
+          g[m + o] = true;
+          g[m + b.hotkeys.shiftNums[o]] = true;
+
+          if (m === "shift+") {
             g[b.hotkeys.shiftNums[o]] = true;
           }
-        }for (var j = 0, f = e.length; j < f; j++) {
+        }
+
+        for (var j = 0, f = e.length; j < f; j++) {
           if (g[e[j]]) {
             return c.apply(this, arguments);
           }
         }
       };
-    }b.each(["keydown", "keyup", "keypress"], function () {
-      b.event.special[this] = { add: a };
-    });
+    }
 
+    b.each(["keydown", "keyup", "keypress"], function () {
+      b.event.special[this] = {
+        add: a
+      };
+    });
     return b;
   }
 
@@ -19895,10 +21343,8 @@
    * Dual licensed under the MIT and GPL licenses.
    * http://benalman.com/about/license/
    */
-
   // For sake of modules, added this wrapping export and changed `this` to `window`
   function jqPluginBBQ (jQuery) {
-
     (function ($, p) {
       var i,
           m = Array.prototype.slice,
@@ -19922,49 +21368,101 @@
           x = /^.*\?|#.*$/g,
           w = /^.*\#/,
           h,
-          C = {};function E(F) {
+          C = {};
+
+      function E(F) {
         return typeof F === "string";
-      }function B(G) {
-        var F = m.call(arguments, 1);return function () {
+      }
+
+      function B(G) {
+        var F = m.call(arguments, 1);
+        return function () {
           return G.apply(this, F.concat(m.call(arguments)));
         };
-      }function n(F) {
+      }
+
+      function n(F) {
         return F.replace(/^[^#]*#?(.*)$/, "$1");
-      }function o(F) {
+      }
+
+      function o(F) {
         return F.replace(/(?:^[^?#]*\?([^#]*).*$)?.*/, "$1");
-      }function f(H, M, F, I, G) {
-        var O, L, K, N, J;if (I !== i) {
-          K = F.match(H ? /^([^#]*)\#?(.*)$/ : /^([^#?]*)\??([^#]*)(#?.*)/);J = K[3] || "";if (G === 2 && E(I)) {
+      }
+
+      function f(H, M, F, I, G) {
+        var O, L, K, N, J;
+
+        if (I !== i) {
+          K = F.match(H ? /^([^#]*)\#?(.*)$/ : /^([^#?]*)\??([^#]*)(#?.*)/);
+          J = K[3] || "";
+
+          if (G === 2 && E(I)) {
             L = I.replace(H ? w : x, "");
           } else {
-            N = l(K[2]);I = E(I) ? l[H ? D : A](I) : I;L = G === 2 ? I : G === 1 ? $.extend({}, I, N) : $.extend({}, N, I);L = a(L);if (H) {
+            N = l(K[2]);
+            I = E(I) ? l[H ? D : A](I) : I;
+            L = G === 2 ? I : G === 1 ? $.extend({}, I, N) : $.extend({}, N, I);
+            L = a(L);
+
+            if (H) {
               L = L.replace(h, r);
             }
-          }O = K[1] + (H ? "#" : L || !K[1] ? "?" : "") + L + J;
+          }
+
+          O = K[1] + (H ? "#" : L || !K[1] ? "?" : "") + L + J;
         } else {
           O = M(F !== i ? F : p[g][k]);
-        }return O;
-      }a[A] = B(f, 0, o);a[D] = c = B(f, 1, n);c.noEscape = function (G) {
-        G = G || "";var F = $.map(G.split(""), encodeURIComponent);h = new RegExp(F.join("|"), "g");
-      };c.noEscape(",/");$.deparam = l = function l(I, F) {
+        }
+
+        return O;
+      }
+
+      a[A] = B(f, 0, o);
+      a[D] = c = B(f, 1, n);
+
+      c.noEscape = function (G) {
+        G = G || "";
+        var F = $.map(G.split(""), encodeURIComponent);
+        h = new RegExp(F.join("|"), "g");
+      };
+
+      c.noEscape(",/");
+
+      $.deparam = l = function l(I, F) {
         var H = {},
-            G = { "true": !0, "false": !1, "null": null };$.each(I.replace(/\+/g, " ").split("&"), function (L, Q) {
+            G = {
+          "true": !0,
+          "false": !1,
+          "null": null
+        };
+        $.each(I.replace(/\+/g, " ").split("&"), function (L, Q) {
           var K = Q.split("="),
               P = r(K[0]),
               J,
               O = H,
               M = 0,
               R = P.split("]["),
-              N = R.length - 1;if (/\[/.test(R[0]) && /\]$/.test(R[N])) {
-            R[N] = R[N].replace(/\]$/, "");R = R.shift().split("[").concat(R);N = R.length - 1;
+              N = R.length - 1;
+
+          if (/\[/.test(R[0]) && /\]$/.test(R[N])) {
+            R[N] = R[N].replace(/\]$/, "");
+            R = R.shift().split("[").concat(R);
+            N = R.length - 1;
           } else {
             N = 0;
-          }if (K.length === 2) {
-            J = r(K[1]);if (F) {
+          }
+
+          if (K.length === 2) {
+            J = r(K[1]);
+
+            if (F) {
               J = J && !isNaN(J) ? +J : J === "undefined" ? i : G[J] !== i ? G[J] : J;
-            }if (N) {
+            }
+
+            if (N) {
               for (; M <= N; M++) {
-                P = R[M] === "" ? O.length : R[M];O = O[P] = M < N ? O[P] || (R[M + 1] && isNaN(R[M + 1]) ? {} : []) : J;
+                P = R[M] === "" ? O.length : R[M];
+                O = O[P] = M < N ? O[P] || (R[M + 1] && isNaN(R[M + 1]) ? {} : []) : J;
               }
             } else {
               if ($.isArray(H[P])) {
@@ -19982,47 +21480,105 @@
               H[P] = F ? i : "";
             }
           }
-        });return H;
-      };function z(H, F, G) {
+        });
+        return H;
+      };
+
+      function z(H, F, G) {
         if (F === i || typeof F === "boolean") {
-          G = F;F = a[H ? D : A]();
+          G = F;
+          F = a[H ? D : A]();
         } else {
           F = E(F) ? F.replace(H ? w : x, "") : F;
-        }return l(F, G);
-      }l[A] = B(z, 0);l[D] = v = B(z, 1);$[y] || ($[y] = function (F) {
+        }
+
+        return l(F, G);
+      }
+
+      l[A] = B(z, 0);
+      l[D] = v = B(z, 1);
+      $[y] || ($[y] = function (F) {
         return $.extend(C, F);
-      })({ a: k, base: k, iframe: t, img: t, input: t, form: "action", link: k, script: t });j = $[y];function s(I, G, H, F) {
-        if (!E(H) && (typeof H === "undefined" ? "undefined" : _typeof(H)) !== "object") {
-          F = H;H = G;G = i;
-        }return this.each(function () {
+      })({
+        a: k,
+        base: k,
+        iframe: t,
+        img: t,
+        input: t,
+        form: "action",
+        link: k,
+        script: t
+      });
+      j = $[y];
+
+      function s(I, G, H, F) {
+        if (!E(H) && _typeof(H) !== "object") {
+          F = H;
+          H = G;
+          G = i;
+        }
+
+        return this.each(function () {
           var L = $(this),
               J = G || j()[(this.nodeName || "").toLowerCase()] || "",
-              K = J && L.attr(J) || "";L.attr(J, a[I](K, H, F));
+              K = J && L.attr(J) || "";
+          L.attr(J, a[I](K, H, F));
         });
-      }$.fn[A] = B(s, A);$.fn[D] = B(s, D);b.pushState = q = function q(I, F) {
+      }
+
+      $.fn[A] = B(s, A);
+      $.fn[D] = B(s, D);
+
+      b.pushState = q = function q(I, F) {
         if (E(I) && /^#/.test(I) && F === i) {
           F = 2;
-        }var H = I !== i,
-            G = c(p[g][k], H ? I : {}, H ? F : 2);p[g][k] = G + (/#/.test(G) ? "" : "#");
-      };b.getState = u = function u(F, G) {
+        }
+
+        var H = I !== i,
+            G = c(p[g][k], H ? I : {}, H ? F : 2);
+        p[g][k] = G + (/#/.test(G) ? "" : "#");
+      };
+
+      b.getState = u = function u(F, G) {
         return F === i || typeof F === "boolean" ? v(F) : v(G)[F];
-      };b.removeState = function (F) {
-        var G = {};if (F !== i) {
-          G = u();$.each($.isArray(F) ? F : arguments, function (I, H) {
+      };
+
+      b.removeState = function (F) {
+        var G = {};
+
+        if (F !== i) {
+          G = u();
+          $.each($.isArray(F) ? F : arguments, function (I, H) {
             delete G[H];
           });
-        }q(G, 2);
-      };e[d] = $.extend(e[d], { add: function add(F) {
-          var H;function G(J) {
-            var I = J[D] = c();J.getState = function (K, L) {
+        }
+
+        q(G, 2);
+      };
+
+      e[d] = $.extend(e[d], {
+        add: function add(F) {
+          var H;
+
+          function G(J) {
+            var I = J[D] = c();
+
+            J.getState = function (K, L) {
               return K === i || typeof K === "boolean" ? l(I, K) : l(I, L)[K];
-            };H.apply(this, arguments);
-          }if ($.isFunction(F)) {
-            H = F;return G;
-          } else {
-            H = F.handler;F.handler = G;
+            };
+
+            H.apply(this, arguments);
           }
-        } });
+
+          if ($.isFunction(F)) {
+            H = F;
+            return G;
+          } else {
+            H = F.handler;
+            F.handler = G;
+          }
+        }
+      });
     })(jQuery, window);
     /*
      * jQuery hashchange event - v1.2 - 2/11/2010
@@ -20032,6 +21588,8 @@
      * Dual licensed under the MIT and GPL licenses.
      * http://benalman.com/about/license/
      */
+
+
     (function ($, i, b) {
       var j,
           k = $.event.special,
@@ -20041,51 +21599,95 @@
           f = $.browser,
           g = document.documentMode,
           h = f.msie && (g === b || g < 8),
-          e = "on" + d in i && !h;function a(m) {
-        m = m || i[c][l];return m.replace(/^[^#]*#?(.*)$/, "$1");
-      }$[d + "Delay"] = 100;k[d] = $.extend(k[d], { setup: function setup() {
+          e = "on" + d in i && !h;
+
+      function a(m) {
+        m = m || i[c][l];
+        return m.replace(/^[^#]*#?(.*)$/, "$1");
+      }
+
+      $[d + "Delay"] = 100;
+      k[d] = $.extend(k[d], {
+        setup: function setup() {
           if (e) {
             return false;
-          }$(j.start);
-        }, teardown: function teardown() {
+          }
+
+          $(j.start);
+        },
+        teardown: function teardown() {
           if (e) {
             return false;
-          }$(j.stop);
-        } });j = function () {
+          }
+
+          $(j.stop);
+        }
+      });
+
+      j = function () {
         var m = {},
             r,
             n,
             o,
-            q;function p() {
+            q;
+
+        function p() {
           o = q = function q(s) {
             return s;
-          };if (h) {
-            n = $('<iframe src="javascript:0"/>').hide().insertAfter("body")[0].contentWindow;q = function q() {
+          };
+
+          if (h) {
+            n = $('<iframe src="javascript:0"/>').hide().insertAfter("body")[0].contentWindow;
+
+            q = function q() {
               return a(n.document[c][l]);
-            };o = function o(u, s) {
+            };
+
+            o = function o(u, s) {
               if (u !== s) {
-                var t = n.document;t.open().close();t[c].hash = "#" + u;
+                var t = n.document;
+                t.open().close();
+                t[c].hash = "#" + u;
               }
-            };o(a());
+            };
+
+            o(a());
           }
-        }m.start = function () {
+        }
+
+        m.start = function () {
           if (r) {
             return;
-          }var t = a();o || p();(function s() {
+          }
+
+          var t = a();
+          o || p();
+
+          (function s() {
             var v = a(),
-                u = q(t);if (v !== t) {
-              o(t = v, u);$(i).trigger(d);
+                u = q(t);
+
+            if (v !== t) {
+              o(t = v, u);
+              $(i).trigger(d);
             } else {
               if (u !== t) {
                 i[c][l] = i[c][l].replace(/#.*/, "") + "#" + u;
               }
-            }r = setTimeout(s, $[d + "Delay"]);
+            }
+
+            r = setTimeout(s, $[d + "Delay"]);
           })();
-        };m.stop = function () {
+        };
+
+        m.stop = function () {
           if (!n) {
-            r && clearTimeout(r);r = 0;
+            r && clearTimeout(r);
+            r = 0;
           }
-        };return m;
+        };
+
+        return m;
       }();
     })(jQuery, window);
 
@@ -20191,8 +21793,7 @@
   */
   function jqPluginSVGIcons ($) {
     var svgIcons = {};
-
-    var fixIDs = void 0;
+    var fixIDs;
     /**
     * @function external:jQuery.svgIcons
     * @param {string} file The location of a local SVG or SVGz file
@@ -20218,28 +21819,28 @@
       parse as XML. SVGZ files add compression benefits, but getting data from
       them fails in Firefox 2 and older.
     */
+
     $.svgIcons = function (file) {
       var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
-
       var svgns = 'http://www.w3.org/2000/svg',
           xlinkns = 'http://www.w3.org/1999/xlink',
           iconW = opts.w || 24,
           iconH = opts.h || 24;
-      var elems = void 0,
-          svgdoc = void 0,
-          testImg = void 0,
+      var elems,
+          svgdoc,
+          testImg,
           iconsMade = false,
           dataLoaded = false,
           loadAttempts = 0;
       var isOpera = !!window.opera,
-
-      // ua = navigator.userAgent,
+          // ua = navigator.userAgent,
       // isSafari = (ua.includes('Safari/') && !ua.includes('Chrome/')),
       dataPre = 'data:image/svg+xml;charset=utf-8;base64,';
+      var dataEl;
 
-      var dataEl = void 0;
       if (opts.svgz) {
         dataEl = $('<object data="' + file + '" type=image/svg+xml>').appendTo('body').hide();
+
         try {
           svgdoc = dataEl[0].contentDocument;
           dataEl.load(getIcons);
@@ -20257,6 +21858,7 @@
               $(useFallback);
               return;
             }
+
             svgdoc = parser.parseFromString(data, 'text/xml');
             $(function () {
               getIcons('ajax');
@@ -20275,6 +21877,7 @@
                 if (!svgdoc.childNodes.length) {
                   $(useFallback);
                 }
+
                 $(function () {
                   getIcons('ajax');
                 });
@@ -20288,22 +21891,27 @@
 
       function getIcons(evt, noWait) {
         if (evt !== 'ajax') {
-          if (dataLoaded) return;
-          // Webkit sometimes says svgdoc is undefined, other times
+          if (dataLoaded) return; // Webkit sometimes says svgdoc is undefined, other times
           // it fails to load all nodes. Thus we must make sure the "eof"
           // element is loaded.
+
           svgdoc = dataEl[0].contentDocument; // Needed again for Webkit
+
           var isReady = svgdoc && svgdoc.getElementById('svg_eof');
+
           if (!isReady && !(noWait && isReady)) {
             loadAttempts++;
+
             if (loadAttempts < 50) {
               setTimeout(getIcons, 20);
             } else {
               useFallback();
               dataLoaded = true;
             }
+
             return;
           }
+
           dataLoaded = true;
         }
 
@@ -20311,7 +21919,6 @@
 
         if (!opts.no_img) {
           var testSrc = dataPre + 'PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNzUiIGhlaWdodD0iMjc1Ij48L3N2Zz4%3D';
-
           testImg = $(new Image()).attr({
             src: testSrc,
             width: 0,
@@ -20331,6 +21938,7 @@
 
       function setIcon(target, icon, id, setID) {
         if (isOpera) icon.css('visibility', 'hidden');
+
         if (opts.replace) {
           if (setID) icon.attr('id', id);
           var cl = target.attr('class');
@@ -20339,6 +21947,7 @@
         } else {
           target.append(icon);
         }
+
         if (isOpera) {
           setTimeout(function () {
             icon.removeAttr('style');
@@ -20346,23 +21955,26 @@
         }
       }
 
-      var holder = void 0;
+      var holder;
+
       function addIcon(icon, id) {
         if (opts.id_match === undefined || opts.id_match !== false) {
           setIcon(holder, icon, id, true);
         }
+
         svgIcons[id] = icon;
       }
 
       function makeIcons(toImage, fallback) {
         if (iconsMade) return;
         if (opts.no_img) toImage = false;
+        var tempHolder;
 
-        var tempHolder = void 0;
         if (toImage) {
           tempHolder = $(document.createElement('div'));
           tempHolder.hide().appendTo('body');
         }
+
         if (fallback) {
           var path = opts.fallback_path || '';
           $.each(fallback, function (id, imgsrc) {
@@ -20374,56 +21986,55 @@
               height: iconH,
               alt: 'icon'
             });
-
             addIcon(icon, id);
           });
         } else {
           var len = elems.length;
+
           for (var i = 0; i < len; i++) {
             var elem = elems[i];
             var id = elem.id;
-
             if (id === 'svg_eof') break;
             holder = $('#' + id);
-            var svgroot = document.createElementNS(svgns, 'svg');
-            // Per https://www.w3.org/TR/xml-names11/#defaulting, the namespace for
+            var svgroot = document.createElementNS(svgns, 'svg'); // Per https://www.w3.org/TR/xml-names11/#defaulting, the namespace for
             // attributes should have no value.
+
             svgroot.setAttributeNS(null, 'viewBox', [0, 0, iconW, iconH].join(' '));
+            var svg = elem.getElementsByTagNameNS(svgns, 'svg')[0]; // Make flexible by converting width/height to viewBox
 
-            var svg = elem.getElementsByTagNameNS(svgns, 'svg')[0];
-
-            // Make flexible by converting width/height to viewBox
             var w = svg.getAttribute('width');
             var h = svg.getAttribute('height');
             svg.removeAttribute('width');
             svg.removeAttribute('height');
-
             var vb = svg.getAttribute('viewBox');
+
             if (!vb) {
               svg.setAttribute('viewBox', [0, 0, w, h].join(' '));
-            }
+            } // Not using jQuery to be a bit faster
+
 
-            // Not using jQuery to be a bit faster
             svgroot.setAttribute('xmlns', svgns);
             svgroot.setAttribute('width', iconW);
             svgroot.setAttribute('height', iconH);
             svgroot.setAttribute('xmlns:xlink', xlinkns);
-            svgroot.setAttribute('class', 'svg_icon');
-
-            // Without cloning, Firefox will make another GET request.
+            svgroot.setAttribute('class', 'svg_icon'); // Without cloning, Firefox will make another GET request.
             // With cloning, causes issue in Opera/Win/Non-EN
+
             if (!isOpera) svg = svg.cloneNode(true);
-
             svgroot.append(svg);
-
             var icon = void 0;
+
             if (toImage) {
               tempHolder.empty().append(svgroot);
               var str = dataPre + encode64(unescape(encodeURIComponent(new XMLSerializer().serializeToString(svgroot))));
-              icon = $(new Image()).attr({ class: 'svg_icon', src: str });
+              icon = $(new Image()).attr({
+                class: 'svg_icon',
+                src: str
+              });
             } else {
               icon = fixIDs($(svgroot), i);
             }
+
             addIcon(icon, id);
           }
         }
@@ -20438,22 +22049,23 @@
             });
           });
         }
+
         if (!fallback) {
           if (toImage) tempHolder.remove();
           if (dataEl) dataEl.remove();
           if (testImg) testImg.remove();
         }
+
         if (opts.resize) $.resizeSvgIcons(opts.resize);
         iconsMade = true;
-
         if (opts.callback) opts.callback(svgIcons);
       }
 
       fixIDs = function fixIDs(svgEl, svgNum, force) {
         var defs = svgEl.find('defs');
         if (!defs.length) return svgEl;
+        var idElems;
 
-        var idElems = void 0;
         if (isOpera) {
           idElems = defs.find('*').filter(function () {
             return !!this.id;
@@ -20464,7 +22076,6 @@
 
         var allElems = svgEl[0].getElementsByTagName('*'),
             len = allElems.length;
-
         idElems.each(function (i) {
           var id = this.id;
           /*
@@ -20475,11 +22086,8 @@
 
           var newId = 'x' + id + svgNum + i;
           this.id = newId;
-
           var oldVal = 'url(#' + id + ')';
-          var newVal = 'url(#' + newId + ')';
-
-          // Selector method, possibly faster but fails in Opera / jQuery 1.4.3
+          var newVal = 'url(#' + newId + ')'; // Selector method, possibly faster but fails in Opera / jQuery 1.4.3
           //  svgEl.find('[fill="url(#' + id + ')"]').each(function() {
           //    this.setAttribute('fill', 'url(#' + newId + ')');
           //  }).end().find('[stroke="url(#' + id + ')"]').each(function() {
@@ -20494,12 +22102,15 @@
 
           for (i = 0; i < len; i++) {
             var elem = allElems[i];
+
             if (elem.getAttribute('fill') === oldVal) {
               elem.setAttribute('fill', newVal);
             }
+
             if (elem.getAttribute('stroke') === oldVal) {
               elem.setAttribute('stroke', newVal);
             }
+
             if (elem.getAttribute('filter') === oldVal) {
               elem.setAttribute('filter', newVal);
             }
@@ -20511,9 +22122,11 @@
       function useFallback() {
         if (file.includes('.svgz')) {
           var regFile = file.replace('.svgz', '.svg');
+
           if (window.console) {
             console.log('.svgz failed, trying with .svg');
           }
+
           $.svgIcons(regFile, opts);
         } else if (opts.fallback) {
           makeIcons(false, opts.fallback);
@@ -20525,19 +22138,18 @@
         if (window.btoa) return window.btoa(input);
         var _keyStr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
         var output = new Array(Math.floor((input.length + 2) / 3) * 4);
-
         var i = 0,
             p = 0;
+
         do {
           var chr1 = input.charCodeAt(i++);
           var chr2 = input.charCodeAt(i++);
           var chr3 = input.charCodeAt(i++);
-
           var enc1 = chr1 >> 2;
           var enc2 = (chr1 & 3) << 4 | chr2 >> 4;
-
           var enc3 = (chr2 & 15) << 2 | chr3 >> 6;
           var enc4 = chr3 & 63;
+
           if (isNaN(chr2)) {
             enc3 = enc4 = 64;
           } else if (isNaN(chr3)) {
@@ -20553,21 +22165,23 @@
         return output.join('');
       }
     };
-
     /**
     * @function external:jQuery.getSvgIcon
     * @param {string} id
     * @param {boolean} uniqueClone Whether to clone
     * @returns {external:jQuery} The icon (optionally cloned)
     */
+
+
     $.getSvgIcon = function (id, uniqueClone) {
       var icon = svgIcons[id];
+
       if (uniqueClone && icon) {
         icon = fixIDs(icon, 0, true).clone(true);
       }
+
       return icon;
     };
-
     /**
     * @typedef {GenericArray} module:jQuerySVGIcons.Dimensions
     * @property {Integer} length 2
@@ -20585,6 +22199,8 @@
     * @param {PlainObject.<string, module:jQuerySVGIcons.Size>} obj Object with selectors as keys. The values are sizes.
     * @returns {undefined}
     */
+
+
     $.resizeSvgIcons = function (obj) {
       // FF2 and older don't detect .svg_icon, so we change it detect svg elems instead
       var changeSel = !$('.svg_icon:first').length;
@@ -20592,12 +22208,15 @@
         var arr = Array.isArray(size);
         var w = arr ? size[0] : size,
             h = arr ? size[1] : size;
+
         if (changeSel) {
           sel = sel.replace(/\.svg_icon/g, 'svg');
         }
+
         $(sel).each(function () {
           this.setAttribute('width', w);
           this.setAttribute('height', h);
+
           if (window.opera && window.widget) {
             this.parentNode.style.width = w + 'px';
             this.parentNode.style.height = h + 'px';
@@ -20605,6 +22224,7 @@
         });
       });
     };
+
     return $;
   }
 
@@ -20632,13 +22252,13 @@
     * The jQuery namespace.
     * @external jQuery
   */
+
   /**
    * The jQuery plugin namespace.
    * @namespace {PlainObject} fn
    * @memberof external:jQuery
    * @see {@link http://learn.jquery.com/plugins/|jQuery Plugins}
    */
-
   var ns = {
     svg: 'http://www.w3.org/2000/svg',
     xlink: 'http://www.w3.org/1999/xlink'
@@ -20650,22 +22270,24 @@
       dir: function dir(str) {}
     };
   }
-
   /**
   * Adds {@link external:jQuery.jGraduate.Paint}, {@link external:jQuery.fn.jGraduateDefaults}, {@link external:jQuery.fn.jGraduate}
   * @function module:jGraduate.jGraduate
   * @param {external:jQuery} $ The jQuery instance to wrap
   * @returns {external:jQuery}
   */
+
+
   function jqPluginJGraduate ($) {
     if (!$.loadingStylesheets) {
       $.loadingStylesheets = [];
     }
+
     var stylesheet = 'jgraduate/css/jGraduate.css';
+
     if (!$.loadingStylesheets.includes(stylesheet)) {
       $.loadingStylesheets.push(stylesheet);
     }
-
     /**
     * @typedef {PlainObject} module:jGraduate.jGraduatePaintOptions
     * @param {Float} [alpha]
@@ -20679,16 +22301,17 @@
     * @memberof module:jGraduate~
     */
 
+
     var Paint =
     /**
      * @param {module:jGraduate.jGraduatePaintOptions} [opt]
     */
     function Paint(opt) {
-      classCallCheck(this, Paint);
+      _classCallCheck(this, Paint);
 
       var options = opt || {};
-      this.alpha = isNaN(options.alpha) ? 100 : options.alpha;
-      // copy paint object
+      this.alpha = isNaN(options.alpha) ? 100 : options.alpha; // copy paint object
+
       if (options.copy) {
         /**
          * @name module:jGraduate~Paint#type
@@ -20700,54 +22323,58 @@
          * @name module:jGraduate~Paint#alpha
          * @type {Float}
          */
+
         this.alpha = options.copy.alpha;
         /**
          * Represents #RRGGBB hex of color
          * @name module:jGraduate~Paint#solidColor
          * @type {string}
          */
+
         this.solidColor = null;
         /**
          * @name module:jGraduate~Paint#linearGradient
          * @type {SVGLinearGradientElement}
          */
+
         this.linearGradient = null;
         /**
          * @name module:jGraduate~Paint#radialGradient
          * @type {SVGRadialGradientElement}
          */
+
         this.radialGradient = null;
 
         switch (this.type) {
           case 'none':
             break;
+
           case 'solidColor':
             this.solidColor = options.copy.solidColor;
             break;
+
           case 'linearGradient':
             this.linearGradient = options.copy.linearGradient.cloneNode(true);
             break;
+
           case 'radialGradient':
             this.radialGradient = options.copy.radialGradient.cloneNode(true);
             break;
-        }
-        // create linear gradient paint
+        } // create linear gradient paint
+
       } else if (options.linearGradient) {
         this.type = 'linearGradient';
         this.solidColor = null;
         this.radialGradient = null;
-        this.linearGradient = options.linearGradient.cloneNode(true);
-        // create linear gradient paint
+        this.linearGradient = options.linearGradient.cloneNode(true); // create linear gradient paint
       } else if (options.radialGradient) {
         this.type = 'radialGradient';
         this.solidColor = null;
         this.linearGradient = null;
-        this.radialGradient = options.radialGradient.cloneNode(true);
-        // create solid color paint
+        this.radialGradient = options.radialGradient.cloneNode(true); // create solid color paint
       } else if (options.solidColor) {
         this.type = 'solidColor';
-        this.solidColor = options.solidColor;
-        // create empty paint
+        this.solidColor = options.solidColor; // create empty paint
       } else {
         this.type = 'none';
         this.solidColor = null;
@@ -20761,27 +22388,32 @@
     */
 
 
-    $.jGraduate = /** @lends external:jQuery.jGraduate */{
+    $.jGraduate =
+    /** @lends external:jQuery.jGraduate */
+    {
       /**
       * @class external:jQuery.jGraduate.Paint
       * @see module:jGraduate~Paint
       */
       Paint: Paint
-    };
-
-    // JSDoc doesn't show this as belonging to our `module:jGraduate.Options` type,
+    }; // JSDoc doesn't show this as belonging to our `module:jGraduate.Options` type,
     //   so we use `@see`
+
     /**
     * @namespace {module:jGraduate.Options} jGraduateDefaults
     * @memberof external:jQuery.fn
     */
-    $.fn.jGraduateDefaults = /** @lends external:jQuery.fn.jGraduateDefaults */{
+
+    $.fn.jGraduateDefaults =
+    /** @lends external:jQuery.fn.jGraduateDefaults */
+    {
       /**
       * Creates an object with a 'none' color
       * @type {external:jQuery.jGraduate.Paint}
       * @see module:jGraduate.Options
       */
       paint: new $.jGraduate.Paint(),
+
       /**
       * @namespace
       */
@@ -20792,6 +22424,7 @@
         */
         pickerTitle: 'Drag markers to pick a paint'
       },
+
       /**
       * @namespace
       */
@@ -20802,13 +22435,14 @@
         */
         clientPath: 'images/'
       },
+
       /**
       * @type {string}
       * @see module:jGraduate.Options
       */
       newstop: 'inverse' // same, inverse, black, white
-    };
 
+    };
     var isGecko = navigator.userAgent.includes('Gecko/');
 
     function setAttrs(elem, attrs) {
@@ -20820,6 +22454,7 @@
         for (var _aname in attrs) {
           var val = attrs[_aname],
               prop = elem[_aname];
+
           if (prop && prop.constructor === 'SVGLength') {
             prop.baseVal.value = val;
           } else {
@@ -20832,17 +22467,19 @@
     function mkElem(name, attrs, newparent) {
       var elem = document.createElementNS(ns.svg, name);
       setAttrs(elem, attrs);
+
       if (newparent) {
         newparent.append(elem);
       }
+
       return elem;
     }
-
     /**
     * @typedef {PlainObject} module:jGraduate.ColorOpac Object may have one or both values
     * @property {string} [color] #Hex color
     * @property {Float} [opac] 0-1
     */
+
     /**
     * @typedef {PlainObject} module:jGraduate.Options
     * @property {module:jGraduate~Paint} [paint] A Paint object object describing the paint to display initially; defaults to a new instance without options (defaults to opaque white)
@@ -20858,6 +22495,7 @@
     * @param {external:jQuery.jGraduate.Paint} paint
     * @returns {undefined}
     */
+
     /**
     * @callback external:jQuery.fn.jGraduate.CancelCallback
     * @returns {undefined}
@@ -20870,6 +22508,8 @@
     * @param {external:jQuery.fn.jGraduate.CancelCallback} [cancelCallback] Called with no arguments when Cancel is pressed
     * @returns {external:jQuery}
     */
+
+
     $.fn.jGraduate = function (options, okCallback, cancelCallback) {
       return this.each(function () {
         var $this = $(this),
@@ -20887,108 +22527,109 @@
             case 'radialGradient':
               $this.paint.linearGradient = null;
               break;
+
             case 'linearGradient':
               $this.paint.radialGradient = null;
               break;
+
             case 'solidColor':
               $this.paint.radialGradient = $this.paint.linearGradient = null;
               break;
           }
+
           typeof $this.okCallback === 'function' && $this.okCallback($this.paint);
           $this.hide();
         };
+
         var cancelClicked = function cancelClicked() {
           typeof $this.cancelCallback === 'function' && $this.cancelCallback();
           $this.hide();
         };
 
-        $.extend(true, $this, { // public properties, methods, and callbacks
+        $.extend(true, $this, {
+          // public properties, methods, and callbacks
           // make a copy of the incoming paint
-          paint: new $.jGraduate.Paint({ copy: $settings.paint }),
+          paint: new $.jGraduate.Paint({
+            copy: $settings.paint
+          }),
           okCallback: typeof okCallback === 'function' ? okCallback : null,
           cancelCallback: typeof cancelCallback === 'function' ? cancelCallback : null
         });
-
         var // pos = $this.position(),
         color = null;
         var $win = $(window);
 
         if ($this.paint.type === 'none') {
-          $this.paint = new $.jGraduate.Paint({ solidColor: 'ffffff' });
+          $this.paint = new $.jGraduate.Paint({
+            solidColor: 'ffffff'
+          });
         }
 
         $this.addClass('jGraduate_Picker');
         $this.html('<ul class="jGraduate_tabs">' + '<li class="jGraduate_tab_color jGraduate_tab_current" data-type="col">Solid Color</li>' + '<li class="jGraduate_tab_lingrad" data-type="lg">Linear Gradient</li>' + '<li class="jGraduate_tab_radgrad" data-type="rg">Radial Gradient</li>' + '</ul>' + '<div class="jGraduate_colPick"></div>' + '<div class="jGraduate_gradPick"></div>' + '<div class="jGraduate_LightBox"></div>' + '<div id="' + id + '_jGraduate_stopPicker" class="jGraduate_stopPicker"></div>');
         var colPicker = $(idref + '> .jGraduate_colPick');
         var gradPicker = $(idref + '> .jGraduate_gradPick');
-
-        gradPicker.html('<div id="' + id + '_jGraduate_Swatch" class="jGraduate_Swatch">' + '<h2 class="jGraduate_Title">' + $settings.window.pickerTitle + '</h2>' + '<div id="' + id + '_jGraduate_GradContainer" class="jGraduate_GradContainer"></div>' + '<div id="' + id + '_jGraduate_StopSlider" class="jGraduate_StopSlider"></div>' + '</div>' + '<div class="jGraduate_Form jGraduate_Points jGraduate_lg_field">' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Begin Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_x1" size="3" title="Enter starting x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_y1" size="3" title="Enter starting y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">End Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_x2" size="3" title="Enter ending x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_y2" size="3" title="Enter ending y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '</div>' + '<div class="jGraduate_Form jGraduate_Points jGraduate_rg_field">' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Center Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_cx" size="3" title="Enter x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_cy" size="3" title="Enter y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Focal Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>Match center: <input type="checkbox" checked="checked" id="' + id + '_jGraduate_match_ctr"/></label><br/>' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_fx" size="3" title="Enter x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_fy" size="3" title="Enter y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection jGraduate_SpreadMethod">' + '<label class="jGraduate_Form_Heading">Spread method</label>' + '<div class="jGraduate_Form_Section">' + '<select class="jGraduate_spreadMethod">' + '<option value=pad selected>Pad</option>' + '<option value=reflect>Reflect</option>' + '<option value=repeat>Repeat</option>' + '</select>' + '</div>' + '</div>' + '<div class="jGraduate_Form">' + '<div class="jGraduate_Slider jGraduate_RadiusField jGraduate_rg_field">' + '<label class="prelabel">Radius:</label>' + '<div id="' + id + '_jGraduate_Radius" class="jGraduate_SliderBar jGraduate_Radius" title="Click to set radius">' + '<img id="' + id + '_jGraduate_RadiusArrows" class="jGraduate_RadiusArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_RadiusInput" size="3" value="100"/>%</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_EllipField jGraduate_rg_field">' + '<label class="prelabel">Ellip:</label>' + '<div id="' + id + '_jGraduate_Ellip" class="jGraduate_SliderBar jGraduate_Ellip" title="Click to set Ellip">' + '<img id="' + id + '_jGraduate_EllipArrows" class="jGraduate_EllipArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_EllipInput" size="3" value="0"/>%</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_AngleField jGraduate_rg_field">' + '<label class="prelabel">Angle:</label>' + '<div id="' + id + '_jGraduate_Angle" class="jGraduate_SliderBar jGraduate_Angle" title="Click to set Angle">' + '<img id="' + id + '_jGraduate_AngleArrows" class="jGraduate_AngleArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_AngleInput" size="3" value="0"/>deg</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_OpacField">' + '<label class="prelabel">Opac:</label>' + '<div id="' + id + '_jGraduate_Opac" class="jGraduate_SliderBar jGraduate_Opac" title="Click to set Opac">' + '<img id="' + id + '_jGraduate_OpacArrows" class="jGraduate_OpacArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_OpacInput" size="3" value="100"/>%</label>' + '</div>' + '</div>' + '<div class="jGraduate_OkCancel">' + '<input type="button" id="' + id + '_jGraduate_Ok" class="jGraduate_Ok" value="OK"/>' + '<input type="button" id="' + id + '_jGraduate_Cancel" class="jGraduate_Cancel" value="Cancel"/>' + '</div>');
-
-        // --------------
+        gradPicker.html('<div id="' + id + '_jGraduate_Swatch" class="jGraduate_Swatch">' + '<h2 class="jGraduate_Title">' + $settings.window.pickerTitle + '</h2>' + '<div id="' + id + '_jGraduate_GradContainer" class="jGraduate_GradContainer"></div>' + '<div id="' + id + '_jGraduate_StopSlider" class="jGraduate_StopSlider"></div>' + '</div>' + '<div class="jGraduate_Form jGraduate_Points jGraduate_lg_field">' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Begin Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_x1" size="3" title="Enter starting x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_y1" size="3" title="Enter starting y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">End Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_x2" size="3" title="Enter ending x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_y2" size="3" title="Enter ending y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '</div>' + '<div class="jGraduate_Form jGraduate_Points jGraduate_rg_field">' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Center Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_cx" size="3" title="Enter x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_cy" size="3" title="Enter y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Focal Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>Match center: <input type="checkbox" checked="checked" id="' + id + '_jGraduate_match_ctr"/></label><br/>' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_fx" size="3" title="Enter x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_fy" size="3" title="Enter y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection jGraduate_SpreadMethod">' + '<label class="jGraduate_Form_Heading">Spread method</label>' + '<div class="jGraduate_Form_Section">' + '<select class="jGraduate_spreadMethod">' + '<option value=pad selected>Pad</option>' + '<option value=reflect>Reflect</option>' + '<option value=repeat>Repeat</option>' + '</select>' + '</div>' + '</div>' + '<div class="jGraduate_Form">' + '<div class="jGraduate_Slider jGraduate_RadiusField jGraduate_rg_field">' + '<label class="prelabel">Radius:</label>' + '<div id="' + id + '_jGraduate_Radius" class="jGraduate_SliderBar jGraduate_Radius" title="Click to set radius">' + '<img id="' + id + '_jGraduate_RadiusArrows" class="jGraduate_RadiusArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_RadiusInput" size="3" value="100"/>%</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_EllipField jGraduate_rg_field">' + '<label class="prelabel">Ellip:</label>' + '<div id="' + id + '_jGraduate_Ellip" class="jGraduate_SliderBar jGraduate_Ellip" title="Click to set Ellip">' + '<img id="' + id + '_jGraduate_EllipArrows" class="jGraduate_EllipArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_EllipInput" size="3" value="0"/>%</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_AngleField jGraduate_rg_field">' + '<label class="prelabel">Angle:</label>' + '<div id="' + id + '_jGraduate_Angle" class="jGraduate_SliderBar jGraduate_Angle" title="Click to set Angle">' + '<img id="' + id + '_jGraduate_AngleArrows" class="jGraduate_AngleArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_AngleInput" size="3" value="0"/>deg</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_OpacField">' + '<label class="prelabel">Opac:</label>' + '<div id="' + id + '_jGraduate_Opac" class="jGraduate_SliderBar jGraduate_Opac" title="Click to set Opac">' + '<img id="' + id + '_jGraduate_OpacArrows" class="jGraduate_OpacArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_OpacInput" size="3" value="100"/>%</label>' + '</div>' + '</div>' + '<div class="jGraduate_OkCancel">' + '<input type="button" id="' + id + '_jGraduate_Ok" class="jGraduate_Ok" value="OK"/>' + '<input type="button" id="' + id + '_jGraduate_Cancel" class="jGraduate_Cancel" value="Cancel"/>' + '</div>'); // --------------
         // Set up all the SVG elements (the gradient, stops and rectangle)
+
         var MAX = 256,
             MARGINX = 0,
             MARGINY = 0,
-
-        // STOP_RADIUS = 15 / 2,
+            // STOP_RADIUS = 15 / 2,
         SIZEX = MAX - 2 * MARGINX,
             SIZEY = MAX - 2 * MARGINY;
-
         var attrInput = {};
-
         var SLIDERW = 145;
         $('.jGraduate_SliderBar').width(SLIDERW);
-
         var container = $('#' + id + '_jGraduate_GradContainer')[0];
-
         var svg = mkElem('svg', {
           id: id + '_jgraduate_svg',
           width: MAX,
           height: MAX,
           xmlns: ns.svg
-        }, container);
-
-        // This wasn't working as designed
+        }, container); // This wasn't working as designed
         // let curType;
         // curType = curType || $this.paint.type;
-
         // if we are sent a gradient, import it
-        var curType = $this.paint.type;
 
+        var curType = $this.paint.type;
         var grad = $this.paint[curType];
         var curGradient = grad;
-
         var gradalpha = $this.paint.alpha;
+        var isSolid = curType === 'solidColor'; // Make any missing gradients
 
-        var isSolid = curType === 'solidColor';
-
-        // Make any missing gradients
         switch (curType) {
-          case 'solidColor':
-          // fall through
+          case 'solidColor': // fall through
+
           case 'linearGradient':
             if (!isSolid) {
               curGradient.id = id + '_lg_jgraduate_grad';
               grad = curGradient = svg.appendChild(curGradient); // .cloneNode(true));
             }
+
             mkElem('radialGradient', {
               id: id + '_rg_jgraduate_grad'
             }, svg);
+
             if (curType === 'linearGradient') {
               break;
             }
+
           // fall through
+
           case 'radialGradient':
             if (!isSolid) {
               curGradient.id = id + '_rg_jgraduate_grad';
               grad = curGradient = svg.appendChild(curGradient); // .cloneNode(true));
             }
+
             mkElem('linearGradient', {
               id: id + '_lg_jgraduate_grad'
             }, svg);
         }
 
-        var stopGroup = void 0; // eslint-disable-line prefer-const
+        var stopGroup; // eslint-disable-line prefer-const
+
         if (isSolid) {
           grad = curGradient = $('#' + id + '_lg_jgraduate_grad')[0];
           color = $this.paint[curType];
@@ -21005,12 +22646,14 @@
               case 'inverse':
                 // Invert current color for second stop
                 var inverted = '';
+
                 for (var i = 0; i < 6; i += 2) {
                   // const ch = color.substr(i, 2);
                   var inv = (255 - parseInt(color.substr(i, 2), 16)).toString(16);
                   if (inv.length < 2) inv = 0 + inv;
                   inverted += inv;
                 }
+
                 mkStop(1, '#' + inverted, 1);
                 break;
 
@@ -21032,12 +22675,10 @@
             y1 = parseFloat(grad.getAttribute('y1') || 0.0),
             x2 = parseFloat(grad.getAttribute('x2') || 1.0),
             y2 = parseFloat(grad.getAttribute('y2') || 0.0);
-
         var cx = parseFloat(grad.getAttribute('cx') || 0.5),
             cy = parseFloat(grad.getAttribute('cy') || 0.5),
             fx = parseFloat(grad.getAttribute('fx') || cx),
             fy = parseFloat(grad.getAttribute('fy') || cy);
-
         var previewRect = mkElem('rect', {
           id: id + '_jgraduate_rect',
           x: MARGINX,
@@ -21046,9 +22687,8 @@
           height: SIZEY,
           fill: 'url(#' + id + '_jgraduate_grad)',
           'fill-opacity': gradalpha / 100
-        }, svg);
+        }, svg); // stop visuals created here
 
-        // stop visuals created here
         var beginCoord = $('<div/>').attr({
           class: 'grad_coord jGraduate_lg_field',
           title: 'Begin Stop'
@@ -21056,12 +22696,10 @@
           top: y1 * MAX,
           left: x1 * MAX
         }).data('coord', 'start').appendTo(container);
-
         var endCoord = beginCoord.clone().text(2).css({
           top: y2 * MAX,
           left: x2 * MAX
         }).attr('title', 'End stop').data('coord', 'end').appendTo(container);
-
         var centerCoord = $('<div/>').attr({
           class: 'grad_coord jGraduate_rg_field',
           title: 'Center stop'
@@ -21069,17 +22707,12 @@
           top: cy * MAX,
           left: cx * MAX
         }).data('coord', 'center').appendTo(container);
-
         var focusCoord = centerCoord.clone().text('F').css({
           top: fy * MAX,
           left: fx * MAX,
           display: 'none'
         }).attr('title', 'Focus point').data('coord', 'focus').appendTo(container);
-
-        focusCoord[0].id = id + '_jGraduate_focusCoord';
-
-        // const coords = $(idref + ' .grad_coord');
-
+        focusCoord[0].id = id + '_jGraduate_focusCoord'; // const coords = $(idref + ' .grad_coord');
         // $(container).hover(function () {
         //   coords.animate({
         //     opacity: 1
@@ -21090,11 +22723,11 @@
         //   }, 500);
         // });
 
-        var showFocus = void 0;
+        var showFocus;
         $.each(['x1', 'y1', 'x2', 'y2', 'cx', 'cy', 'fx', 'fy'], function (i, attr) {
           var isRadial = isNaN(attr[1]);
-
           var attrval = curGradient.getAttribute(attr);
+
           if (!attrval) {
             // Set defaults
             if (isRadial) {
@@ -21121,15 +22754,18 @@
             }
 
             var $elem = isRadial ? attr[0] === 'c' ? centerCoord : focusCoord : attr[1] === '1' ? beginCoord : endCoord;
-
             var cssName = attr.includes('x') ? 'left' : 'top';
-
             $elem.css(cssName, this.value * MAX);
           }).change();
         });
 
         function mkStop(n, color, opac, sel, stopElem) {
-          var stop = stopElem || mkElem('stop', { 'stop-color': color, 'stop-opacity': opac, offset: n }, curGradient);
+          var stop = stopElem || mkElem('stop', {
+            'stop-color': color,
+            'stop-opacity': opac,
+            offset: n
+          }, curGradient);
+
           if (stopElem) {
             color = stopElem.getAttribute('stop-color');
             opac = stopElem.getAttribute('stop-opacity');
@@ -21137,16 +22773,14 @@
           } else {
             curGradient.append(stop);
           }
+
           if (opac === null) opac = 1;
-
           var pickerD = 'M-6.2,0.9c3.6-4,6.7-4.3,6.7-12.4c-0.2,7.9,3.1,8.8,6.5,12.4c3.5,3.8,2.9,9.6,0,12.3c-3.1,2.8-10.4,2.7-13.2,0C-9.6,9.9-9.4,4.4-6.2,0.9z';
-
           var pathbg = mkElem('path', {
             d: pickerD,
             fill: 'url(#jGraduate_trans)',
             transform: 'translate(' + (10 + n * MAX) + ', 26)'
           }, stopGroup);
-
           var path = mkElem('path', {
             d: pickerD,
             fill: color,
@@ -21155,7 +22789,6 @@
             stroke: '#000',
             'stroke-width': 1.5
           }, stopGroup);
-
           $(path).mousedown(function (e) {
             selectStop(this);
             drag = curStop;
@@ -21169,14 +22802,26 @@
             var stopOpacity = +stop.getAttribute('stop-opacity') || 1;
             var stopColor = stop.getAttribute('stop-color') || 1;
             var thisAlpha = (parseFloat(stopOpacity) * 255).toString(16);
+
             while (thisAlpha.length < 2) {
               thisAlpha = '0' + thisAlpha;
             }
+
             color = stopColor.substr(1) + thisAlpha;
-            $('#' + id + '_jGraduate_stopPicker').css({ left: 100, bottom: 15 }).jPicker({
-              window: { title: 'Pick the start color and opacity for the gradient' },
-              images: { clientPath: $settings.images.clientPath },
-              color: { active: color, alphaSupport: true }
+            $('#' + id + '_jGraduate_stopPicker').css({
+              left: 100,
+              bottom: 15
+            }).jPicker({
+              window: {
+                title: 'Pick the start color and opacity for the gradient'
+              },
+              images: {
+                clientPath: $settings.images.clientPath
+              },
+              color: {
+                active: color,
+                alphaSupport: true
+              }
             }, function (color, arg2) {
               stopColor = color.val('hex') ? '#' + color.val('hex') : 'none';
               stopOpacity = color.val('a') !== null ? color.val('a') / 256 : 1;
@@ -21191,9 +22836,9 @@
               $('#' + id + '_jGraduate_stopPicker').hide();
             });
           });
-
           $(curGradient).find('stop').each(function () {
             var curS = $(this);
+
             if (+this.getAttribute('offset') > n) {
               if (!color) {
                 var newcolor = this.getAttribute('stop-color');
@@ -21203,6 +22848,7 @@
                 stop.setAttribute('stop-opacity', newopac === null ? 1 : newopac);
                 path.setAttribute('fill-opacity', newopac === null ? 1 : newopac);
               }
+
               curS.before(stop);
               return false;
             }
@@ -21220,11 +22866,7 @@
         }
 
         var stopMakerDiv = $('#' + id + '_jGraduate_StopSlider');
-
-        var stops = void 0,
-            curStop = void 0,
-            drag = void 0;
-
+        var stops, curStop, drag;
         var delStop = mkElem('path', {
           d: 'm9.75,-6l-19.5,19.5m0,-19.5l19.5,19.5',
           fill: 'none',
@@ -21237,38 +22879,38 @@
           if (curStop) curStop.setAttribute('stroke', '#000');
           item.setAttribute('stroke', 'blue');
           curStop = item;
-          curStop.parentNode.append(curStop);
-          //   stops = $('stop');
+          curStop.parentNode.append(curStop); //   stops = $('stop');
           //   opac_select.val(curStop.attr('fill-opacity') || 1);
           //   root.append(delStop);
         }
 
-        var stopOffset = void 0;
+        var stopOffset;
 
         function remDrags() {
           $win.unbind('mousemove', dragColor);
+
           if (delStop.getAttribute('display') !== 'none') {
             remStop();
           }
+
           drag = null;
         }
 
         var scaleX = 1,
             scaleY = 1,
             angle = 0;
-
         var cX = cx;
         var cY = cy;
+
         function xform() {
           var rot = angle ? 'rotate(' + angle + ',' + cX + ',' + cY + ') ' : '';
+
           if (scaleX === 1 && scaleY === 1) {
-            curGradient.removeAttribute('gradientTransform');
-            // $('#ang').addClass('dis');
+            curGradient.removeAttribute('gradientTransform'); // $('#ang').addClass('dis');
           } else {
             var x = -cX * (scaleX - 1);
             var y = -cY * (scaleY - 1);
-            curGradient.setAttribute('gradientTransform', rot + 'translate(' + x + ',' + y + ') scale(' + scaleX + ',' + scaleY + ')');
-            // $('#ang').removeClass('dis');
+            curGradient.setAttribute('gradientTransform', rot + 'translate(' + x + ',' + y + ') scale(' + scaleX + ',' + scaleY + ')'); // $('#ang').removeClass('dis');
           }
         }
 
@@ -21276,8 +22918,8 @@
           var x = evt.pageX - stopOffset.left;
           var y = evt.pageY - stopOffset.top;
           x = x < 10 ? 10 : x > MAX + 10 ? MAX + 10 : x;
-
           var xfStr = 'translate(' + x + ', 26)';
+
           if (y < -60 || y > 130) {
             delStop.setAttribute('display', 'block');
             delStop.setAttribute('transform', xfStr);
@@ -21289,17 +22931,17 @@
           $.data(drag, 'bg').setAttribute('transform', xfStr);
           var stop = $.data(drag, 'stop');
           var sX = (x - 10) / MAX;
-
           stop.setAttribute('offset', sX);
-
           var last = 0;
           $(curGradient).find('stop').each(function (i) {
             var cur = this.getAttribute('offset');
             var t = $(this);
+
             if (cur < last) {
               t.prev().before(t);
               stops = $(curGradient).find('stop');
             }
+
             last = cur;
           });
         }
@@ -21308,40 +22950,31 @@
           width: '100%',
           height: 45
         }, stopMakerDiv[0]);
-
         var transPattern = mkElem('pattern', {
           width: 16,
           height: 16,
           patternUnits: 'userSpaceOnUse',
           id: 'jGraduate_trans'
         }, stopMakerSVG);
-
         var transImg = mkElem('image', {
           width: 16,
           height: 16
         }, transPattern);
-
         var bgImage = $settings.images.clientPath + 'map-opacity.png';
-
         transImg.setAttributeNS(ns.xlink, 'xlink:href', bgImage);
-
         $(stopMakerSVG).click(function (evt) {
           stopOffset = stopMakerDiv.offset();
           var target = evt.target;
-
           if (target.tagName === 'path') return;
           var x = evt.pageX - stopOffset.left - 8;
           x = x < 10 ? 10 : x > MAX + 10 ? MAX + 10 : x;
           mkStop(x / MAX, 0, 0, true);
           evt.stopPropagation();
         });
-
         $(stopMakerSVG).mouseover(function () {
           stopMakerSVG.append(delStop);
         });
-
         stopGroup = mkElem('g', {}, stopMakerSVG);
-
         mkElem('line', {
           x1: 10,
           y1: 15,
@@ -21350,28 +22983,22 @@
           'stroke-width': 2,
           stroke: '#000'
         }, stopMakerSVG);
-
         var spreadMethodOpt = gradPicker.find('.jGraduate_spreadMethod').change(function () {
           curGradient.setAttribute('spreadMethod', $(this).val());
-        });
+        }); // handle dragging the stop around the swatch
 
-        // handle dragging the stop around the swatch
         var draggingCoord = null;
 
         var onCoordDrag = function onCoordDrag(evt) {
           var x = evt.pageX - offset.left;
-          var y = evt.pageY - offset.top;
+          var y = evt.pageY - offset.top; // clamp stop to the swatch
 
-          // clamp stop to the swatch
           x = x < 0 ? 0 : x > MAX ? MAX : x;
           y = y < 0 ? 0 : y > MAX ? MAX : y;
+          draggingCoord.css('left', x).css('top', y); // calculate stop offset
 
-          draggingCoord.css('left', x).css('top', y);
-
-          // calculate stop offset
           var fracx = x / SIZEX;
           var fracy = y / SIZEY;
-
           var type = draggingCoord.data('coord');
           var grad = curGradient;
 
@@ -21382,12 +23009,14 @@
               grad.setAttribute('x1', fracx);
               grad.setAttribute('y1', fracy);
               break;
+
             case 'end':
               attrInput.x2.val(fracx);
               attrInput.y2.val(fracy);
               grad.setAttribute('x2', fracx);
               grad.setAttribute('y2', fracy);
               break;
+
             case 'center':
               attrInput.cx.val(fracx);
               attrInput.cy.val(fracy);
@@ -21397,6 +23026,7 @@
               cY = fracy;
               xform();
               break;
+
             case 'focus':
               attrInput.fx.val(fracx);
               attrInput.fy.val(fracy);
@@ -21411,20 +23041,19 @@
         var onCoordUp = function onCoordUp() {
           draggingCoord = null;
           $win.unbind('mousemove', onCoordDrag).unbind('mouseup', onCoordUp);
-        };
-
-        // Linear gradient
+        }; // Linear gradient
         // (function () {
 
-        stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
 
-        var numstops = stops.length;
-        // if there are not at least two stops, then
+        stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
+        var numstops = stops.length; // if there are not at least two stops, then
+
         if (numstops < 2) {
           while (numstops < 2) {
             curGradient.append(document.createElementNS(ns.svg, 'stop'));
             ++numstops;
           }
+
           stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
         }
 
@@ -21433,23 +23062,18 @@
         }
 
         spreadMethodOpt.val(curGradient.getAttribute('spreadMethod') || 'pad');
+        var offset; // No match, so show focus point
 
-        var offset = void 0;
-
-        // No match, so show focus point
         showFocus = false;
-
         previewRect.setAttribute('fill-opacity', gradalpha / 100);
-
         $('#' + id + ' div.grad_coord').mousedown(function (evt) {
           evt.preventDefault();
-          draggingCoord = $(this);
-          // const sPos = draggingCoord.offset();
+          draggingCoord = $(this); // const sPos = draggingCoord.offset();
+
           offset = draggingCoord.parent().offset();
           $win.mousemove(onCoordDrag).mouseup(onCoordUp);
-        });
+        }); // bind GUI elements
 
-        // bind GUI elements
         $('#' + id + '_jGraduate_Ok').bind('click', function () {
           $this.paint.type = curType;
           $this.paint[curType] = curGradient.cloneNode(true);
@@ -21471,16 +23095,14 @@
         }
 
         $('#' + id + '_jGraduate_match_ctr')[0].checked = !showFocus;
-
-        var lastfx = void 0,
-            lastfy = void 0;
-
+        var lastfx, lastfy;
         $('#' + id + '_jGraduate_match_ctr').change(function () {
           showFocus = !this.checked;
           focusCoord.toggle(showFocus);
           attrInput.fx.val('');
           attrInput.fy.val('');
           var grad = curGradient;
+
           if (!showFocus) {
             lastfx = grad.getAttribute('fx');
             lastfy = grad.getAttribute('fy');
@@ -21488,31 +23110,32 @@
             grad.removeAttribute('fy');
           } else {
             var _fx = lastfx || 0.5;
+
             var _fy = lastfy || 0.5;
+
             grad.setAttribute('fx', _fx);
             grad.setAttribute('fy', _fy);
             attrInput.fx.val(_fx);
             attrInput.fy.val(_fy);
           }
         });
-
         stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
-        numstops = stops.length;
-        // if there are not at least two stops, then
+        numstops = stops.length; // if there are not at least two stops, then
+
         if (numstops < 2) {
           while (numstops < 2) {
             curGradient.append(document.createElementNS(ns.svg, 'stop'));
             ++numstops;
           }
+
           stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
         }
 
-        var slider = void 0;
+        var slider;
 
         var setSlider = function setSlider(e) {
           var _slider = slider,
               offset = _slider.offset;
-
           var div = slider.parent;
           var x = e.pageX - offset.left - parseInt(div.css('border-left-width'));
           if (x > SLIDERW) x = SLIDERW;
@@ -21527,27 +23150,36 @@
               if (x <= 0.01) x = 0.01;
               curGradient.setAttribute('r', x);
               break;
+
             case 'opacity':
               $this.paint.alpha = parseInt(x * 100);
               previewRect.setAttribute('fill-opacity', x);
               break;
+
             case 'ellip':
               scaleX = 1;
               scaleY = 1;
+
               if (x < 0.5) {
                 x /= 0.5; // 0.001
+
                 scaleX = x <= 0 ? 0.01 : x;
               } else if (x > 0.5) {
                 x /= 0.5; // 2
+
                 x = 2 - x;
                 scaleY = x <= 0 ? 0.01 : x;
               }
+
               xform();
               x -= 1;
+
               if (scaleY === x + 1) {
                 x = Math.abs(x);
               }
+
               break;
+
             case 'angle':
               x = x - 0.5;
               angle = x *= 180;
@@ -21555,7 +23187,10 @@
               x /= 100;
               break;
           }
-          slider.elem.css({ 'margin-left': posx });
+
+          slider.elem.css({
+            'margin-left': posx
+          });
           x = Math.round(x * 100);
           slider.input.val(x);
         };
@@ -21565,11 +23200,14 @@
 
         if (curType === 'radialGradient') {
           var tlist = curGradient.gradientTransform.baseVal;
+
           if (tlist.numberOfItems === 2) {
             var t = tlist.getItem(0);
             var s = tlist.getItem(1);
+
             if (t.type === 2 && s.type === 3) {
               var m = s.matrix;
+
               if (m.a !== 1) {
                 ellipVal = Math.round(-(1 - m.a) * 100);
               } else if (m.d !== 1) {
@@ -21579,12 +23217,15 @@
           } else if (tlist.numberOfItems === 3) {
             // Assume [R][T][S]
             var r = tlist.getItem(0);
+
             var _t = tlist.getItem(1);
+
             var _s = tlist.getItem(2);
 
             if (r.type === 4 && _t.type === 2 && _s.type === 3) {
               angleVal = Math.round(r.angle);
               var _m = _s.matrix;
+
               if (_m.a !== 1) {
                 ellipVal = Math.round(-(1 - _m.a) * 100);
               } else if (_m.d !== 1) {
@@ -21616,7 +23257,6 @@
             val: angleVal
           }
         };
-
         $.each(sliders, function (type, data) {
           var handle = $(data.handle);
           handle.mousedown(function (evt) {
@@ -21631,11 +23271,11 @@
             $win.mousemove(dragSlider).mouseup(stopSlider);
             evt.preventDefault();
           });
-
           $(data.input).val(data.val).change(function () {
             var isRad = curType === 'radialGradient';
             var val = +this.value;
             var xpos = 0;
+
             switch (type) {
               case 'radius':
                 if (isRad) curGradient.setAttribute('r', val / 100);
@@ -21650,11 +23290,14 @@
 
               case 'ellip':
                 scaleX = scaleY = 1;
+
                 if (val === 0) {
                   xpos = SLIDERW * 0.5;
                   break;
                 }
+
                 if (val > 99.5) val = 99.5;
+
                 if (val > 0) {
                   scaleY = 1 - val / 100;
                 } else {
@@ -21672,12 +23315,16 @@
                 xpos *= SLIDERW;
                 if (isRad) xform();
             }
+
             if (xpos > SLIDERW) {
               xpos = SLIDERW;
             } else if (xpos < 0) {
               xpos = 0;
             }
-            handle.css({ 'margin-left': xpos - 5 });
+
+            handle.css({
+              'margin-left': xpos - 5
+            });
           }).change();
         });
 
@@ -21689,29 +23336,41 @@
         var stopSlider = function stopSlider(evt) {
           $win.unbind('mousemove', dragSlider).unbind('mouseup', stopSlider);
           slider = null;
-        };
+        }; // --------------
+
 
-        // --------------
         var thisAlpha = ($this.paint.alpha * 255 / 100).toString(16);
+
         while (thisAlpha.length < 2) {
           thisAlpha = '0' + thisAlpha;
         }
+
         thisAlpha = thisAlpha.split('.')[0];
         color = $this.paint.solidColor === 'none' ? '' : $this.paint.solidColor + thisAlpha;
 
         if (!isSolid) {
           color = stops[0].getAttribute('stop-color');
-        }
+        } // This should be done somewhere else, probably
+
 
-        // This should be done somewhere else, probably
         $.extend($.fn.jPicker.defaults.window, {
-          alphaSupport: true, effects: { type: 'show', speed: 0 }
+          alphaSupport: true,
+          effects: {
+            type: 'show',
+            speed: 0
+          }
         });
-
         colPicker.jPicker({
-          window: { title: $settings.window.pickerTitle },
-          images: { clientPath: $settings.images.clientPath },
-          color: { active: color, alphaSupport: true }
+          window: {
+            title: $settings.window.pickerTitle
+          },
+          images: {
+            clientPath: $settings.images.clientPath
+          },
+          color: {
+            active: color,
+            alphaSupport: true
+          }
         }, function (color) {
           $this.paint.type = 'solidColor';
           $this.paint.alpha = color.val('ahex') ? Math.round(color.val('a') / 255 * 100) : 100;
@@ -21721,27 +23380,24 @@
         }, null, function () {
           cancelClicked();
         });
-
         var tabs = $(idref + ' .jGraduate_tabs li');
         tabs.click(function () {
           tabs.removeClass('jGraduate_tab_current');
           $(this).addClass('jGraduate_tab_current');
           $(idref + ' > div').hide();
           var type = $(this).attr('data-type');
-          /* const container = */$(idref + ' .jGraduate_gradPick').show();
+          /* const container = */
+
+          $(idref + ' .jGraduate_gradPick').show();
+
           if (type === 'rg' || type === 'lg') {
             // Show/hide appropriate fields
             $('.jGraduate_' + type + '_field').show();
             $('.jGraduate_' + (type === 'lg' ? 'rg' : 'lg') + '_field').hide();
-
-            $('#' + id + '_jgraduate_rect')[0].setAttribute('fill', 'url(#' + id + '_' + type + '_jgraduate_grad)');
-
-            // Copy stops
+            $('#' + id + '_jgraduate_rect')[0].setAttribute('fill', 'url(#' + id + '_' + type + '_jgraduate_grad)'); // Copy stops
 
             curType = type === 'lg' ? 'linearGradient' : 'radialGradient';
-
             $('#' + id + '_jGraduate_OpacInput').val($this.paint.alpha).change();
-
             var newGrad = $('#' + id + '_' + type + '_jgraduate_grad')[0];
 
             if (curGradient !== newGrad) {
@@ -21751,8 +23407,10 @@
               var sm = spreadMethodOpt.val();
               curGradient.setAttribute('spreadMethod', sm);
             }
+
             showFocus = type === 'rg' && curGradient.getAttribute('fx') != null && !(cx === fx && cy === fy);
             $('#' + id + '_jGraduate_focusCoord').toggle(showFocus);
+
             if (showFocus) {
               $('#' + id + '_jGraduate_match_ctr')[0].checked = false;
             }
@@ -21763,26 +23421,30 @@
         });
         $(idref + ' > div').hide();
         tabs.removeClass('jGraduate_tab_current');
-        var tab = void 0;
+        var tab;
+
         switch ($this.paint.type) {
           case 'linearGradient':
             tab = $(idref + ' .jGraduate_tab_lingrad');
             break;
+
           case 'radialGradient':
             tab = $(idref + ' .jGraduate_tab_radgrad');
             break;
+
           default:
             tab = $(idref + ' .jGraduate_tab_color');
             break;
         }
-        $this.show();
 
-        // jPicker will try to show after a 0ms timeout, so need to fire this after that
+        $this.show(); // jPicker will try to show after a 0ms timeout, so need to fire this after that
+
         setTimeout(function () {
           tab.addClass('jGraduate_tab_current').click();
         }, 10);
       });
     };
+
     return $;
   }
 
@@ -21856,6 +23518,7 @@
       $("#myInputElement").SpinButton(myOptions);
     });
    */
+
   /**
    * @function module:jQuerySpinButton.jQuerySpinButton
    * @param {external:jQuery} $ The jQuery object to which to add the plug-in
@@ -21865,7 +23528,9 @@
     if (!$.loadingStylesheets) {
       $.loadingStylesheets = [];
     }
+
     var stylesheet = 'spinbtn/jQuery.SpinButton.css';
+
     if (!$.loadingStylesheets.includes(stylesheet)) {
       $.loadingStylesheets.push(stylesheet);
     }
@@ -21873,11 +23538,13 @@
     * @callback module:jQuerySpinButton.StepCallback
     * @param {external:jQuery} thisArg Value of `this`
     */
+
     /**
     * @callback module:jQuerySpinButton.ValueCallback
     * @param {external:jQuery} thisArg Value of `this`
     * @param {Float} value Value that was changed
     */
+
     /**
      * @typedef {PlainObject} module:jQuerySpinButton.SpinButtonConfig
      * @property {Float} min Set lower limit
@@ -21896,17 +23563,21 @@
      * @property {Float} delay Millisecond delay
      * @property {Float} interval Millisecond interval
     */
+
     /**
     * @function external:jQuery.fn.SpinButton
     * @param {module:jQuerySpinButton.SpinButtonConfig} cfg
     * @returns {external:jQuery}
     */
+
+
     $.fn.SpinButton = function (cfg) {
       cfg = cfg || {};
+
       function coord(el, prop) {
         var b = document.body;
-
         var c = el[prop];
+
         while ((el = el.offsetParent) && el !== b) {
           if (!$.browser.msie || el.currentStyle.position !== 'relative') {
             c += el[prop];
@@ -21917,14 +23588,14 @@
       }
 
       return this.each(function () {
-        this.repeating = false;
-
-        // Apply specified options or defaults:
+        this.repeating = false; // Apply specified options or defaults:
         // (Ought to refactor this some day to use $.extend() instead)
+
         this.spinCfg = {
           // min: cfg.min ? Number(cfg.min) : null,
           // max: cfg.max ? Number(cfg.max) : null,
-          min: !isNaN(parseFloat(cfg.min)) ? Number(cfg.min) : null, // Fixes bug with min:0
+          min: !isNaN(parseFloat(cfg.min)) ? Number(cfg.min) : null,
+          // Fixes bug with min:0
           max: !isNaN(parseFloat(cfg.max)) ? Number(cfg.max) : null,
           step: cfg.step ? Number(cfg.step) : 1,
           stepfunc: cfg.stepfunc || false,
@@ -21939,13 +23610,13 @@
           _delay: null,
           _repeat: null,
           callback: cfg.callback || null
-        };
+        }; // if a smallStep isn't supplied, use half the regular step
 
-        // if a smallStep isn't supplied, use half the regular step
         this.spinCfg.smallStep = cfg.smallStep || this.spinCfg.step / 2;
 
         this.adjustValue = function (i) {
-          var v = void 0;
+          var v;
+
           if (isNaN(this.value)) {
             v = this.spinCfg.reset;
           } else if (typeof this.spinCfg.stepfunc === 'function') {
@@ -21954,13 +23625,17 @@
             // weirdest JavaScript bug ever: 5.1 + 0.1 = 5.199999999
             v = Number((Number(this.value) + Number(i)).toFixed(5));
           }
+
           if (this.spinCfg.min !== null) {
             v = Math.max(v, this.spinCfg.min);
           }
+
           if (this.spinCfg.max !== null) {
             v = Math.min(v, this.spinCfg.max);
           }
+
           this.value = v;
+
           if (typeof this.spinCfg.callback === 'function') {
             this.spinCfg.callback(this);
           }
@@ -21973,7 +23648,6 @@
           var el = e.target;
           var scale = cfg.stateObj.tool_scale || 1;
           var height = $(el).height() / 2;
-
           var direction = x > coord(el, 'offsetLeft') + el.offsetWidth * scale - this.spinCfg._btn_width ? y < coord(el, 'offsetTop') + height * scale ? 1 : -1 : 0;
 
           if (direction !== this.spinCfg._direction) {
@@ -21983,16 +23657,18 @@
                 // Up arrow:
                 $(this).removeClass(this.spinCfg.downClass).addClass(this.spinCfg.upClass);
                 break;
+
               case -1:
                 // Down arrow:
                 $(this).removeClass(this.spinCfg.upClass).addClass(this.spinCfg.downClass);
                 break;
+
               default:
                 // Mouse is elsewhere in the textbox
                 $(this).removeClass(this.spinCfg.upClass).removeClass(this.spinCfg.downClass);
-            }
+            } // Set spin direction:
+
 
-            // Set spin direction:
             this.spinCfg._direction = direction;
           }
         }).mouseout(function () {
@@ -22012,12 +23688,11 @@
               _this.adjustValue(_this.spinCfg._direction * stepSize);
             };
 
-            adjust();
+            adjust(); // Initial delay before repeating adjustment
 
-            // Initial delay before repeating adjustment
             this.spinCfg._delay = window.setTimeout(function () {
-              adjust();
-              // Repeat adjust at regular intervals
+              adjust(); // Repeat adjust at regular intervals
+
               _this.spinCfg._repeat = window.setInterval(adjust, _this.spinCfg.interval);
             }, this.spinCfg.delay);
           }
@@ -22033,16 +23708,26 @@
           // Respond to up/down arrow keys.
           switch (e.keyCode) {
             case 38:
-              this.adjustValue(this.spinCfg.step);break; // Up
+              this.adjustValue(this.spinCfg.step);
+              break;
+            // Up
+
             case 40:
-              this.adjustValue(-this.spinCfg.step);break; // Down
+              this.adjustValue(-this.spinCfg.step);
+              break;
+            // Down
+
             case 33:
-              this.adjustValue(this.spinCfg.page);break; // PageUp
+              this.adjustValue(this.spinCfg.page);
+              break;
+            // PageUp
+
             case 34:
-              this.adjustValue(-this.spinCfg.page);break; // PageDown
+              this.adjustValue(-this.spinCfg.page);
+              break;
+            // PageDown
           }
         })
-
         /*
         http://unixpapa.com/js/key.html describes the current state-of-affairs for
         key repeat events:
@@ -22054,30 +23739,46 @@
             // Respond to up/down arrow keys.
             switch (e.keyCode) {
               case 38:
-                this.adjustValue(this.spinCfg.step);break; // Up
+                this.adjustValue(this.spinCfg.step);
+                break;
+              // Up
+
               case 40:
-                this.adjustValue(-this.spinCfg.step);break; // Down
+                this.adjustValue(-this.spinCfg.step);
+                break;
+              // Down
+
               case 33:
-                this.adjustValue(this.spinCfg.page);break; // PageUp
+                this.adjustValue(this.spinCfg.page);
+                break;
+              // PageUp
+
               case 34:
-                this.adjustValue(-this.spinCfg.page);break; // PageDown
-            }
-            // we always ignore the first keypress event (use the keydown instead)
+                this.adjustValue(-this.spinCfg.page);
+                break;
+              // PageDown
+            } // we always ignore the first keypress event (use the keydown instead)
+
           } else {
             this.repeating = true;
           }
-        })
-
-        // clear the 'repeating' flag
+        }) // clear the 'repeating' flag
         .keyup(function (e) {
           this.repeating = false;
+
           switch (e.keyCode) {
             case 38: // Up
+
             case 40: // Down
+
             case 33: // PageUp
+
             case 34: // PageDown
+
             case 13:
-              this.adjustValue(0);break; // Enter/Return
+              this.adjustValue(0);
+              break;
+            // Enter/Return
           }
         }).bind('mousewheel', function (e) {
           // Respond to mouse wheel in IE. (It returns up/dn motion in multiples of 120)
@@ -22106,6 +23807,7 @@
         }
       });
     };
+
     return $;
   }
 
@@ -22128,7 +23830,6 @@
    *   and the MIT License and is copyright A Beautiful Site, LLC.
    *
   */
-
   /**
   * @callback module:jQueryContextMenu.jQueryContextMenuCallback
   * @param {string} href The `href` value after the first character (for bypassing an initial `#`)
@@ -22150,10 +23851,10 @@
   * @param {external:jQuery} $ The jQuery object to wrap (with `contextMenu`, `disableContextMenuItems`, `enableContextMenuItems`, `disableContextMenu`, `enableContextMenu`, `destroyContextMenu`)
   * @returns {external:jQuery}
   */
+
   function jQueryContextMenu($) {
     var win = $(window);
     var doc = $(document);
-
     $.extend($.fn, {
       /**
       * @memberof external:jQuery.fn
@@ -22165,55 +23866,52 @@
         // Defaults
         if (o.menu === undefined) return false;
         if (o.inSpeed === undefined) o.inSpeed = 150;
-        if (o.outSpeed === undefined) o.outSpeed = 75;
-        // 0 needs to be -1 for expected results (no fade)
+        if (o.outSpeed === undefined) o.outSpeed = 75; // 0 needs to be -1 for expected results (no fade)
+
         if (o.inSpeed === 0) o.inSpeed = -1;
-        if (o.outSpeed === 0) o.outSpeed = -1;
-        // Loop each context menu
+        if (o.outSpeed === 0) o.outSpeed = -1; // Loop each context menu
+
         $(this).each(function () {
           var el = $(this);
           var offset = $(el).offset();
+          var menu = $('#' + o.menu); // Add contextMenu class
 
-          var menu = $('#' + o.menu);
+          menu.addClass('contextMenu'); // Simulate a true right click
 
-          // Add contextMenu class
-          menu.addClass('contextMenu');
-          // Simulate a true right click
           $(this).bind('mousedown', function (e) {
             var evt = e;
             $(this).mouseup(function (e) {
               var srcElement = $(this);
               srcElement.unbind('mouseup');
+
               if (evt.button === 2 || o.allowLeft || evt.ctrlKey && isMac()) {
-                e.stopPropagation();
-                // Hide context menus that may be showing
-                $('.contextMenu').hide();
-                // Get this context menu
+                e.stopPropagation(); // Hide context menus that may be showing
 
-                if (el.hasClass('disabled')) return false;
+                $('.contextMenu').hide(); // Get this context menu
+
+                if (el.hasClass('disabled')) return false; // Detect mouse position
 
-                // Detect mouse position
                 var x = e.pageX,
                     y = e.pageY;
-
                 var xOff = win.width() - menu.width(),
                     yOff = win.height() - menu.height();
-
                 if (x > xOff - 15) x = xOff - 15;
                 if (y > yOff - 30) y = yOff - 30; // 30 is needed to prevent scrollbars in FF
-
                 // Show the menu
+
                 doc.unbind('click');
-                menu.css({ top: y, left: x }).fadeIn(o.inSpeed);
-                // Hover events
+                menu.css({
+                  top: y,
+                  left: x
+                }).fadeIn(o.inSpeed); // Hover events
+
                 menu.find('A').mouseover(function () {
                   menu.find('LI.hover').removeClass('hover');
                   $(this).parent().addClass('hover');
                 }).mouseout(function () {
                   menu.find('LI.hover').removeClass('hover');
-                });
+                }); // Keyboard
 
-                // Keyboard
                 doc.keypress(function (e) {
                   switch (e.keyCode) {
                     case 38:
@@ -22224,7 +23922,9 @@
                         menu.find('LI.hover').removeClass('hover').prevAll('LI:not(.disabled)').eq(0).addClass('hover');
                         if (!menu.find('LI.hover').length) menu.find('LI:last').addClass('hover');
                       }
+
                       break;
+
                     case 40:
                       // down
                       if (!menu.find('LI.hover').length) {
@@ -22233,31 +23933,38 @@
                         menu.find('LI.hover').removeClass('hover').nextAll('LI:not(.disabled)').eq(0).addClass('hover');
                         if (!menu.find('LI.hover').length) menu.find('LI:first').addClass('hover');
                       }
+
                       break;
+
                     case 13:
                       // enter
                       menu.find('LI.hover A').trigger('click');
                       break;
+
                     case 27:
                       // esc
                       doc.trigger('click');
                       break;
                   }
-                });
+                }); // When items are selected
 
-                // When items are selected
                 menu.find('A').unbind('mouseup');
                 menu.find('LI:not(.disabled) A').mouseup(function () {
                   doc.unbind('click').unbind('keypress');
-                  $('.contextMenu').hide();
-                  // Callback
-                  if (callback) {
-                    callback($(this).attr('href').substr(1), $(srcElement), { x: x - offset.left, y: y - offset.top, docX: x, docY: y });
-                  }
-                  return false;
-                });
+                  $('.contextMenu').hide(); // Callback
+
+                  if (callback) {
+                    callback($(this).attr('href').substr(1), $(srcElement), {
+                      x: x - offset.left,
+                      y: y - offset.top,
+                      docX: x,
+                      docY: y
+                    });
+                  }
+
+                  return false;
+                }); // Hide bindings
 
-                // Hide bindings
                 setTimeout(function () {
                   // Delay for Mozilla
                   doc.click(function () {
@@ -22268,12 +23975,13 @@
                 }, 0);
               }
             });
-          });
+          }); // Disable text selection
 
-          // Disable text selection
           if ($.browser.mozilla) {
             $('#' + o.menu).each(function () {
-              $(this).css({ MozUserSelect: 'none' });
+              $(this).css({
+                MozUserSelect: 'none'
+              });
             });
           } else if ($.browser.msie) {
             $('#' + o.menu).each(function () {
@@ -22287,8 +23995,9 @@
                 return false;
               });
             });
-          }
-          // Disable browser context menu (requires both selectors to work in IE/Safari + FF/Chrome)
+          } // Disable browser context menu (requires both selectors to work in IE/Safari + FF/Chrome)
+
+
           $(el).add($('UL.contextMenu')).bind('contextmenu', function () {
             return false;
           });
@@ -22296,7 +24005,6 @@
         return $(this);
       },
 
-
       /**
       * Disable context menu items on the fly
       * @memberof external:jQuery.fn
@@ -22309,9 +24017,11 @@
           $(this).find('LI').addClass('disabled');
           return $(this);
         }
+
         $(this).each(function () {
           if (o !== undefined) {
             var d = o.split(',');
+
             for (var i = 0; i < d.length; i++) {
               $(this).find('A[href="' + d[i] + '"]').parent().addClass('disabled');
             }
@@ -22320,7 +24030,6 @@
         return $(this);
       },
 
-
       /**
       * Enable context menu items on the fly
       * @memberof external:jQuery.fn
@@ -22333,9 +24042,11 @@
           $(this).find('LI.disabled').removeClass('disabled');
           return $(this);
         }
+
         $(this).each(function () {
           if (o !== undefined) {
             var d = o.split(',');
+
             for (var i = 0; i < d.length; i++) {
               $(this).find('A[href="' + d[i] + '"]').parent().removeClass('disabled');
             }
@@ -22344,7 +24055,6 @@
         return $(this);
       },
 
-
       /**
       * Disable context menu(s)
       * @memberof external:jQuery.fn
@@ -22357,7 +24067,6 @@
         return $(this);
       },
 
-
       /**
       * Enable context menu(s)
       * @memberof external:jQuery.fn
@@ -22370,7 +24079,6 @@
         return $(this);
       },
 
-
       /**
       * Destroy context menu(s)
       * @memberof external:jQuery.fn
@@ -22408,6 +24116,7 @@
   /**
   * @external Math
   */
+
   /**
   * @memberof external:Math
   * @param {Float} value
@@ -22418,12 +24127,13 @@
     if (precision === undefined) precision = 0;
     return Math.round(value * Math.pow(10, precision)) / Math.pow(10, precision);
   }
-
   /**
   * @function module:jPicker.jPicker
   * @param {external:jQuery} $ The jQuery object to wrap (with {@link external:jQuery.loadingStylesheets}, {@link external:jQuery.fn.$.fn.jPicker}, {@link external:jQuery.fn.$.fn.jPicker.defaults})
   * @returns {external:jQuery}
   */
+
+
   var jPicker = function jPicker($) {
     if (!$.loadingStylesheets) {
       /**
@@ -22433,7 +24143,9 @@
       */
       $.loadingStylesheets = [];
     }
+
     var stylesheet = 'jgraduate/css/jPicker.css';
+
     if (!$.loadingStylesheets.includes(stylesheet)) {
       $.loadingStylesheets.push(stylesheet);
     }
@@ -22454,27 +24166,35 @@
     * @param {external:jQuery} bar
     * @param {module:jPicker.SliderOptions} options
     */
+
+
     function Slider(bar, options) {
       var $this = this;
+
       function fireChangeEvents(context) {
         for (var i = 0; i < changeEvents.length; i++) {
           changeEvents[i].call($this, $this, context);
         }
-      }
-      // bind the mousedown to the bar not the arrow for quick snapping to the clicked location
+      } // bind the mousedown to the bar not the arrow for quick snapping to the clicked location
+
+
       function mouseDown(e) {
         var off = bar.offset();
-        offset = { l: off.left | 0, t: off.top | 0 };
-        clearTimeout(timeout);
-        // using setTimeout for visual updates - once the style is updated the browser will re-render internally allowing the next Javascript to run
+        offset = {
+          l: off.left | 0,
+          t: off.top | 0
+        };
+        clearTimeout(timeout); // using setTimeout for visual updates - once the style is updated the browser will re-render internally allowing the next Javascript to run
+
         timeout = setTimeout(function () {
           setValuesFromMousePosition.call($this, e);
-        }, 0);
-        // Bind mousemove and mouseup event to the document so it responds when dragged of of the bar - we will unbind these when on mouseup to save processing
+        }, 0); // Bind mousemove and mouseup event to the document so it responds when dragged of of the bar - we will unbind these when on mouseup to save processing
+
         $(document).bind('mousemove', mouseMove).bind('mouseup', mouseUp);
         e.preventDefault(); // don't try to select anything or drag the image to the desktop
-      }
-      // set the values as the mouse moves
+      } // set the values as the mouse moves
+
+
       function mouseMove(e) {
         clearTimeout(timeout);
         timeout = setTimeout(function () {
@@ -22483,26 +24203,32 @@
         e.stopPropagation();
         e.preventDefault();
         return false;
-      }
-      // unbind the document events - they aren't needed when not dragging
+      } // unbind the document events - they aren't needed when not dragging
+
+
       function mouseUp(e) {
         $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);
         e.stopPropagation();
         e.preventDefault();
         return false;
-      }
-      // calculate mouse position and set value within the current range
+      } // calculate mouse position and set value within the current range
+
+
       function setValuesFromMousePosition(e) {
         var barW = bar.w,
             // local copies for YUI compressor
         barH = bar.h;
         var locX = e.pageX - offset.l,
-            locY = e.pageY - offset.t;
-        // keep the arrow within the bounds of the bar
+            locY = e.pageY - offset.t; // keep the arrow within the bounds of the bar
+
         if (locX < 0) locX = 0;else if (locX > barW) locX = barW;
         if (locY < 0) locY = 0;else if (locY > barH) locY = barH;
-        val.call($this, 'xy', { x: locX / barW * rangeX + minX, y: locY / barH * rangeY + minY });
+        val.call($this, 'xy', {
+          x: locX / barW * rangeX + minX,
+          y: locY / barH * rangeY + minY
+        });
       }
+
       function draw() {
         var barW = bar.w,
             barH = bar.h,
@@ -22516,118 +24242,167 @@
             // constrain to bounds
             if (x === maxX) arrowOffsetX = barW;else arrowOffsetX = x / rangeX * barW | 0;
           }
+
           if (rangeY > 0) {
             // range is greater than zero
             // constrain to bounds
             if (y === maxY) arrowOffsetY = barH;else arrowOffsetY = y / rangeY * barH | 0;
-          }
-          // if arrow width is greater than bar width, center arrow and prevent horizontal dragging
+          } // if arrow width is greater than bar width, center arrow and prevent horizontal dragging
+
+
           if (arrowW >= barW) arrowOffsetX = (barW >> 1) - (arrowW >> 1); // number >> 1 - superfast bitwise divide by two and truncate (move bits over one bit discarding lowest)
-          else arrowOffsetX -= arrowW >> 1;
-          // if arrow height is greater than bar height, center arrow and prevent vertical dragging
-          if (arrowH >= barH) arrowOffsetY = (barH >> 1) - (arrowH >> 1);else arrowOffsetY -= arrowH >> 1;
-          // set the arrow position based on these offsets
-          arrow.css({ left: arrowOffsetX + 'px', top: arrowOffsetY + 'px' });
+          else arrowOffsetX -= arrowW >> 1; // if arrow height is greater than bar height, center arrow and prevent vertical dragging
+
+          if (arrowH >= barH) arrowOffsetY = (barH >> 1) - (arrowH >> 1);else arrowOffsetY -= arrowH >> 1; // set the arrow position based on these offsets
+
+          arrow.css({
+            left: arrowOffsetX + 'px',
+            top: arrowOffsetY + 'px'
+          });
         }, 0);
       }
+
       function val(name, value, context) {
-        var set$$1 = value !== undefined;
-        if (!set$$1) {
+        var set = value !== undefined;
+
+        if (!set) {
           if (name === undefined || name == null) name = 'xy';
+
           switch (name.toLowerCase()) {
             case 'x':
               return x;
+
             case 'y':
               return y;
+
             case 'xy':
             default:
-              return { x: x, y: y };
+              return {
+                x: x,
+                y: y
+              };
           }
         }
+
         if (context != null && context === $this) return;
         var changed = false;
-
-        var newX = void 0,
-            newY = void 0;
+        var newX, newY;
         if (name == null) name = 'xy';
+
         switch (name.toLowerCase()) {
           case 'x':
             newX = value && (value.x && value.x | 0 || value | 0) || 0;
             break;
+
           case 'y':
             newY = value && (value.y && value.y | 0 || value | 0) || 0;
             break;
+
           case 'xy':
           default:
             newX = value && value.x && value.x | 0 || 0;
             newY = value && value.y && value.y | 0 || 0;
             break;
         }
+
         if (newX != null) {
           if (newX < minX) newX = minX;else if (newX > maxX) newX = maxX;
+
           if (x !== newX) {
             x = newX;
             changed = true;
           }
         }
+
         if (newY != null) {
           if (newY < minY) newY = minY;else if (newY > maxY) newY = maxY;
+
           if (y !== newY) {
             y = newY;
             changed = true;
           }
         }
+
         changed && fireChangeEvents.call($this, context || $this);
       }
+
       function range(name, value) {
-        var set$$1 = value !== undefined;
-        if (!set$$1) {
+        var set = value !== undefined;
+
+        if (!set) {
           if (name === undefined || name == null) name = 'all';
+
           switch (name.toLowerCase()) {
             case 'minx':
               return minX;
+
             case 'maxx':
               return maxX;
+
             case 'rangex':
-              return { minX: minX, maxX: maxX, rangeX: rangeX };
+              return {
+                minX: minX,
+                maxX: maxX,
+                rangeX: rangeX
+              };
+
             case 'miny':
               return minY;
+
             case 'maxy':
               return maxY;
+
             case 'rangey':
-              return { minY: minY, maxY: maxY, rangeY: rangeY };
+              return {
+                minY: minY,
+                maxY: maxY,
+                rangeY: rangeY
+              };
+
             case 'all':
             default:
-              return { minX: minX, maxX: maxX, rangeX: rangeX, minY: minY, maxY: maxY, rangeY: rangeY };
+              return {
+                minX: minX,
+                maxX: maxX,
+                rangeX: rangeX,
+                minY: minY,
+                maxY: maxY,
+                rangeY: rangeY
+              };
           }
         }
+
         var // changed = false,
-        newMinX = void 0,
-            newMaxX = void 0,
-            newMinY = void 0,
-            newMaxY = void 0;
+        newMinX, newMaxX, newMinY, newMaxY;
         if (name == null) name = 'all';
+
         switch (name.toLowerCase()) {
           case 'minx':
             newMinX = value && (value.minX && value.minX | 0 || value | 0) || 0;
             break;
+
           case 'maxx':
             newMaxX = value && (value.maxX && value.maxX | 0 || value | 0) || 0;
             break;
+
           case 'rangex':
             newMinX = value && value.minX && value.minX | 0 || 0;
             newMaxX = value && value.maxX && value.maxX | 0 || 0;
             break;
+
           case 'miny':
             newMinY = value && (value.minY && value.minY | 0 || value | 0) || 0;
             break;
+
           case 'maxy':
             newMaxY = value && (value.maxY && value.maxY | 0 || value | 0) || 0;
             break;
+
           case 'rangey':
             newMinY = value && value.minY && value.minY | 0 || 0;
             newMaxY = value && value.maxY && value.maxY | 0 || 0;
             break;
+
           case 'all':
           default:
             newMinX = value && value.minX && value.minX | 0 || 0;
@@ -22636,33 +24411,41 @@
             newMaxY = value && value.maxY && value.maxY | 0 || 0;
             break;
         }
+
         if (newMinX != null && minX !== newMinX) {
           minX = newMinX;
           rangeX = maxX - minX;
         }
+
         if (newMaxX != null && maxX !== newMaxX) {
           maxX = newMaxX;
           rangeX = maxX - minX;
         }
+
         if (newMinY != null && minY !== newMinY) {
           minY = newMinY;
           rangeY = maxY - minY;
         }
+
         if (newMaxY != null && maxY !== newMaxY) {
           maxY = newMaxY;
           rangeY = maxY - minY;
         }
       }
+
       function bind(callback) {
         if (typeof callback === 'function') changeEvents.push(callback);
       }
+
       function unbind(callback) {
         if (typeof callback !== 'function') return;
-        var i = void 0;
+        var i;
+
         while (i = changeEvents.includes(callback)) {
           changeEvents.splice(i, 1);
         }
       }
+
       function destroy() {
         // unbind all possible events and null objects
         $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);
@@ -22671,8 +24454,9 @@
         arrow = null;
         changeEvents = null;
       }
-      var offset = void 0,
-          timeout = void 0,
+
+      var offset,
+          timeout,
           x = 0,
           y = 0,
           minX = 0,
@@ -22684,7 +24468,6 @@
           arrow = bar.find('img:first'),
           // the arrow image to drag
       changeEvents = [];
-
       $.extend(true, $this, // public properties, methods, and event bindings - these we need to access from other controls
       {
         val: val,
@@ -22692,25 +24475,28 @@
         bind: bind,
         unbind: unbind,
         destroy: destroy
-      });
-      // initialize this control
+      }); // initialize this control
+
       arrow.src = options.arrow && options.arrow.image;
       arrow.w = options.arrow && options.arrow.width || arrow.width();
       arrow.h = options.arrow && options.arrow.height || arrow.height();
       bar.w = options.map && options.map.width || bar.width();
-      bar.h = options.map && options.map.height || bar.height();
-      // bind mousedown event
+      bar.h = options.map && options.map.height || bar.height(); // bind mousedown event
+
       bar.bind('mousedown', mouseDown);
       bind.call($this, draw);
-    }
-    // controls for all the input elements for the typing in color values
+    } // controls for all the input elements for the typing in color values
+
+
     function ColorValuePicker(picker, color, bindedHex, alphaPrecision) {
       var $this = this; // private properties and methods
-      var inputs = picker.find('td.Text input');
-      // input box key down - use arrows to alter color
+
+      var inputs = picker.find('td.Text input'); // input box key down - use arrows to alter color
+
       function keyDown(e) {
         if (e.target.value === '' && e.target !== hex.get(0) && (bindedHex != null && e.target !== bindedHex.get(0) || bindedHex == null)) return;
         if (!validateKey(e)) return e;
+
         switch (e.target) {
           case red.get(0):
             switch (e.keyCode) {
@@ -22718,163 +24504,212 @@
                 red.val(setValueInRange.call($this, (red.val() << 0) + 1, 0, 255));
                 color.val('r', red.val(), e.target);
                 return false;
+
               case 40:
                 red.val(setValueInRange.call($this, (red.val() << 0) - 1, 0, 255));
                 color.val('r', red.val(), e.target);
                 return false;
             }
+
             break;
+
           case green.get(0):
             switch (e.keyCode) {
               case 38:
                 green.val(setValueInRange.call($this, (green.val() << 0) + 1, 0, 255));
                 color.val('g', green.val(), e.target);
                 return false;
+
               case 40:
                 green.val(setValueInRange.call($this, (green.val() << 0) - 1, 0, 255));
                 color.val('g', green.val(), e.target);
                 return false;
             }
+
             break;
+
           case blue.get(0):
             switch (e.keyCode) {
               case 38:
                 blue.val(setValueInRange.call($this, (blue.val() << 0) + 1, 0, 255));
                 color.val('b', blue.val(), e.target);
                 return false;
+
               case 40:
                 blue.val(setValueInRange.call($this, (blue.val() << 0) - 1, 0, 255));
                 color.val('b', blue.val(), e.target);
                 return false;
             }
+
             break;
+
           case alpha && alpha.get(0):
             switch (e.keyCode) {
               case 38:
                 alpha.val(setValueInRange.call($this, parseFloat(alpha.val()) + 1, 0, 100));
                 color.val('a', toFixedNumeric(alpha.val() * 255 / 100, alphaPrecision), e.target);
                 return false;
+
               case 40:
                 alpha.val(setValueInRange.call($this, parseFloat(alpha.val()) - 1, 0, 100));
                 color.val('a', toFixedNumeric(alpha.val() * 255 / 100, alphaPrecision), e.target);
                 return false;
             }
+
             break;
+
           case hue.get(0):
             switch (e.keyCode) {
               case 38:
                 hue.val(setValueInRange.call($this, (hue.val() << 0) + 1, 0, 360));
                 color.val('h', hue.val(), e.target);
                 return false;
+
               case 40:
                 hue.val(setValueInRange.call($this, (hue.val() << 0) - 1, 0, 360));
                 color.val('h', hue.val(), e.target);
                 return false;
             }
+
             break;
+
           case saturation.get(0):
             switch (e.keyCode) {
               case 38:
                 saturation.val(setValueInRange.call($this, (saturation.val() << 0) + 1, 0, 100));
                 color.val('s', saturation.val(), e.target);
                 return false;
+
               case 40:
                 saturation.val(setValueInRange.call($this, (saturation.val() << 0) - 1, 0, 100));
                 color.val('s', saturation.val(), e.target);
                 return false;
             }
+
             break;
+
           case value.get(0):
             switch (e.keyCode) {
               case 38:
                 value.val(setValueInRange.call($this, (value.val() << 0) + 1, 0, 100));
                 color.val('v', value.val(), e.target);
                 return false;
+
               case 40:
                 value.val(setValueInRange.call($this, (value.val() << 0) - 1, 0, 100));
                 color.val('v', value.val(), e.target);
                 return false;
             }
+
             break;
         }
-      }
-      // input box key up - validate value and set color
+      } // input box key up - validate value and set color
+
+
       function keyUp(e) {
         if (e.target.value === '' && e.target !== hex.get(0) && (bindedHex != null && e.target !== bindedHex.get(0) || bindedHex == null)) return;
         if (!validateKey(e)) return e;
+
         switch (e.target) {
           case red.get(0):
             red.val(setValueInRange.call($this, red.val(), 0, 255));
             color.val('r', red.val(), e.target);
             break;
+
           case green.get(0):
             green.val(setValueInRange.call($this, green.val(), 0, 255));
             color.val('g', green.val(), e.target);
             break;
+
           case blue.get(0):
             blue.val(setValueInRange.call($this, blue.val(), 0, 255));
             color.val('b', blue.val(), e.target);
             break;
+
           case alpha && alpha.get(0):
             alpha.val(setValueInRange.call($this, alpha.val(), 0, 100));
             color.val('a', toFixedNumeric(alpha.val() * 255 / 100, alphaPrecision), e.target);
             break;
+
           case hue.get(0):
             hue.val(setValueInRange.call($this, hue.val(), 0, 360));
             color.val('h', hue.val(), e.target);
             break;
+
           case saturation.get(0):
             saturation.val(setValueInRange.call($this, saturation.val(), 0, 100));
             color.val('s', saturation.val(), e.target);
             break;
+
           case value.get(0):
             value.val(setValueInRange.call($this, value.val(), 0, 100));
             color.val('v', value.val(), e.target);
             break;
+
           case hex.get(0):
             hex.val(hex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 6));
             bindedHex && bindedHex.val(hex.val());
             color.val('hex', hex.val() !== '' ? hex.val() : null, e.target);
             break;
+
           case bindedHex && bindedHex.get(0):
             bindedHex.val(bindedHex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 6));
             hex.val(bindedHex.val());
             color.val('hex', bindedHex.val() !== '' ? bindedHex.val() : null, e.target);
             break;
+
           case ahex && ahex.get(0):
             ahex.val(ahex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 2));
             color.val('a', ahex.val() != null ? parseInt(ahex.val(), 16) : null, e.target);
             break;
         }
-      }
-      // input box blur - reset to original if value empty
+      } // input box blur - reset to original if value empty
+
+
       function blur(e) {
         if (color.val() != null) {
           switch (e.target) {
             case red.get(0):
-              red.val(color.val('r'));break;
+              red.val(color.val('r'));
+              break;
+
             case green.get(0):
-              green.val(color.val('g'));break;
+              green.val(color.val('g'));
+              break;
+
             case blue.get(0):
-              blue.val(color.val('b'));break;
+              blue.val(color.val('b'));
+              break;
+
             case alpha && alpha.get(0):
-              alpha.val(toFixedNumeric(color.val('a') * 100 / 255, alphaPrecision));break;
+              alpha.val(toFixedNumeric(color.val('a') * 100 / 255, alphaPrecision));
+              break;
+
             case hue.get(0):
-              hue.val(color.val('h'));break;
+              hue.val(color.val('h'));
+              break;
+
             case saturation.get(0):
-              saturation.val(color.val('s'));break;
+              saturation.val(color.val('s'));
+              break;
+
             case value.get(0):
-              value.val(color.val('v'));break;
+              value.val(color.val('v'));
+              break;
+
             case hex.get(0):
             case bindedHex && bindedHex.get(0):
               hex.val(color.val('hex'));
               bindedHex && bindedHex.val(color.val('hex'));
               break;
+
             case ahex && ahex.get(0):
-              ahex.val(color.val('ahex').substring(6));break;
+              ahex.val(color.val('ahex').substring(6));
+              break;
           }
         }
       }
+
       function validateKey(e) {
         switch (e.keyCode) {
           case 9:
@@ -22883,19 +24718,23 @@
           case 37:
           case 39:
             return false;
+
           case 'c'.charCodeAt():
           case 'v'.charCodeAt():
             if (e.ctrlKey) return false;
         }
+
         return true;
-      }
-      // constrain value within range
+      } // constrain value within range
+
+
       function setValueInRange(value, min, max) {
         if (value === '' || isNaN(value)) return min;
         if (value > max) return max;
         if (value < min) return min;
         return value;
       }
+
       function colorChanged(ui, context) {
         var all = ui.val('all');
         if (context !== red.get(0)) red.val(all != null ? all.r : '');
@@ -22909,6 +24748,7 @@
         if (bindedHex && context !== bindedHex.get(0) && context !== hex.get(0)) bindedHex.val(all != null ? all.hex : '');
         if (ahex && context !== ahex.get(0)) ahex.val(all != null ? all.ahex.substring(6) : '');
       }
+
       function destroy() {
         // unbind all events and null objects
         red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).add(hex).add(bindedHex).add(ahex).unbind('keyup', keyUp).unbind('blur', blur);
@@ -22924,6 +24764,7 @@
         hex = null;
         ahex = null;
       }
+
       var red = inputs.eq(3),
           green = inputs.eq(4),
           blue = inputs.eq(5),
@@ -22941,7 +24782,6 @@
       red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).bind('keydown', keyDown);
       color.bind(colorChanged);
     }
-
     /**
     * @typedef {PlainObject} module:jPicker.JPickerInit
     * @property {Integer} a
@@ -22959,12 +24799,17 @@
     * @namespace {PlainObject} jPicker
     * @memberof external:jQuery
     */
-    $.jPicker = /** @lends external:jQuery.jPicker */{
+
+
+    $.jPicker =
+    /** @lends external:jQuery.jPicker */
+    {
       /**
       * Array holding references to each active instance of the jPicker control
       * @type {external:jQuery.fn.$.fn.jPicker[]}
       */
       List: [],
+
       /**
       * Color object - we will be able to assign by any color space type or
       * retrieve any color space info.
@@ -22978,102 +24823,149 @@
       */
       Color: function Color(init) {
         var $this = this;
+
         function fireChangeEvents(context) {
           for (var i = 0; i < changeEvents.length; i++) {
             changeEvents[i].call($this, $this, context);
           }
         }
+
         function val(name, value, context) {
           // Kind of ugly
-          var set$$1 = Boolean(value);
-          if (set$$1 && value.ahex === '') value.ahex = '00000000';
-          if (!set$$1) {
+          var set = Boolean(value);
+          if (set && value.ahex === '') value.ahex = '00000000';
+
+          if (!set) {
             if (name === undefined || name == null || name === '') name = 'all';
             if (r == null) return null;
+
             switch (name.toLowerCase()) {
               case 'ahex':
-                return ColorMethods.rgbaToHex({ r: r, g: g, b: b, a: a });
+                return ColorMethods.rgbaToHex({
+                  r: r,
+                  g: g,
+                  b: b,
+                  a: a
+                });
+
               case 'hex':
                 return val('ahex').substring(0, 6);
+
               case 'all':
-                return { r: r, g: g, b: b, a: a, h: h, s: s, v: v, hex: val.call($this, 'hex'), ahex: val.call($this, 'ahex') };
+                return {
+                  r: r,
+                  g: g,
+                  b: b,
+                  a: a,
+                  h: h,
+                  s: s,
+                  v: v,
+                  hex: val.call($this, 'hex'),
+                  ahex: val.call($this, 'ahex')
+                };
+
               default:
                 var ret = {};
+
                 for (var i = 0; i < name.length; i++) {
                   switch (name.charAt(i)) {
                     case 'r':
                       if (name.length === 1) ret = r;else ret.r = r;
                       break;
+
                     case 'g':
                       if (name.length === 1) ret = g;else ret.g = g;
                       break;
+
                     case 'b':
                       if (name.length === 1) ret = b;else ret.b = b;
                       break;
+
                     case 'a':
                       if (name.length === 1) ret = a;else ret.a = a;
                       break;
+
                     case 'h':
                       if (name.length === 1) ret = h;else ret.h = h;
                       break;
+
                     case 's':
                       if (name.length === 1) ret = s;else ret.s = s;
                       break;
+
                     case 'v':
                       if (name.length === 1) ret = v;else ret.v = v;
                       break;
                   }
                 }
+
                 return !name.length ? val.call($this, 'all') : ret;
             }
           }
+
           if (context != null && context === $this) return;
           if (name == null) name = '';
-
           var changed = false;
+
           if (value == null) {
             if (r != null) {
               r = null;
               changed = true;
             }
+
             if (g != null) {
               g = null;
               changed = true;
             }
+
             if (b != null) {
               b = null;
               changed = true;
             }
+
             if (a != null) {
               a = null;
               changed = true;
             }
+
             if (h != null) {
               h = null;
               changed = true;
             }
+
             if (s != null) {
               s = null;
               changed = true;
             }
+
             if (v != null) {
               v = null;
               changed = true;
             }
+
             changed && fireChangeEvents.call($this, context || $this);
             return;
           }
+
           switch (name.toLowerCase()) {
             case 'ahex':
             case 'hex':
               var _ret = ColorMethods.hexToRgba(value && (value.ahex || value.hex) || value || 'none');
-              val.call($this, 'rgba', { r: _ret.r, g: _ret.g, b: _ret.b, a: name === 'ahex' ? _ret.a : a != null ? a : 255 }, context);
+
+              val.call($this, 'rgba', {
+                r: _ret.r,
+                g: _ret.g,
+                b: _ret.b,
+                a: name === 'ahex' ? _ret.a : a != null ? a : 255
+              }, context);
               break;
+
             default:
               if (value && (value.ahex != null || value.hex != null)) {
                 val.call($this, 'ahex', value.ahex || value.hex || '00000000', context);
                 return;
               }
+
               var newV = {};
               var rgb = false,
                   hsv = false;
@@ -23084,6 +24976,7 @@
               if (value.h !== undefined && !name.includes('h')) name += 'h';
               if (value.s !== undefined && !name.includes('s')) name += 's';
               if (value.v !== undefined && !name.includes('v')) name += 'v';
+
               for (var _i = 0; _i < name.length; _i++) {
                 switch (name.charAt(_i)) {
                   case 'r':
@@ -23091,84 +24984,104 @@
                     rgb = true;
                     newV.r = value.r && value.r | 0 || value | 0 || 0;
                     if (newV.r < 0) newV.r = 0;else if (newV.r > 255) newV.r = 255;
+
                     if (r !== newV.r) {
                       r = newV.r;
-
                       changed = true;
                     }
+
                     break;
+
                   case 'g':
                     if (hsv) continue;
                     rgb = true;
                     newV.g = value && value.g && value.g | 0 || value && value | 0 || 0;
                     if (newV.g < 0) newV.g = 0;else if (newV.g > 255) newV.g = 255;
+
                     if (g !== newV.g) {
                       g = newV.g;
-
                       changed = true;
                     }
+
                     break;
+
                   case 'b':
                     if (hsv) continue;
                     rgb = true;
                     newV.b = value && value.b && value.b | 0 || value && value | 0 || 0;
                     if (newV.b < 0) newV.b = 0;else if (newV.b > 255) newV.b = 255;
+
                     if (b !== newV.b) {
                       b = newV.b;
-
                       changed = true;
                     }
+
                     break;
+
                   case 'a':
                     newV.a = value && value.a != null ? value.a | 0 : value | 0;
                     if (newV.a < 0) newV.a = 0;else if (newV.a > 255) newV.a = 255;
+
                     if (a !== newV.a) {
                       a = newV.a;
-
                       changed = true;
                     }
+
                     break;
+
                   case 'h':
                     if (rgb) continue;
                     hsv = true;
                     newV.h = value && value.h && value.h | 0 || value && value | 0 || 0;
                     if (newV.h < 0) newV.h = 0;else if (newV.h > 360) newV.h = 360;
+
                     if (h !== newV.h) {
                       h = newV.h;
-
                       changed = true;
                     }
+
                     break;
+
                   case 's':
                     if (rgb) continue;
                     hsv = true;
                     newV.s = value.s != null ? value.s | 0 : value | 0;
                     if (newV.s < 0) newV.s = 0;else if (newV.s > 100) newV.s = 100;
+
                     if (s !== newV.s) {
                       s = newV.s;
-
                       changed = true;
                     }
+
                     break;
+
                   case 'v':
                     if (rgb) continue;
                     hsv = true;
                     newV.v = value.v != null ? value.v | 0 : value | 0;
                     if (newV.v < 0) newV.v = 0;else if (newV.v > 100) newV.v = 100;
+
                     if (v !== newV.v) {
                       v = newV.v;
-
                       changed = true;
                     }
+
                     break;
                 }
               }
+
               if (changed) {
                 if (rgb) {
                   r = r || 0;
                   g = g || 0;
                   b = b || 0;
-                  var _ret2 = ColorMethods.rgbToHsv({ r: r, g: g, b: b });
+
+                  var _ret2 = ColorMethods.rgbToHsv({
+                    r: r,
+                    g: g,
+                    b: b
+                  });
+
                   h = _ret2.h;
                   s = _ret2.s;
                   v = _ret2.v;
@@ -23176,39 +25089,51 @@
                   h = h || 0;
                   s = s != null ? s : 100;
                   v = v != null ? v : 100;
-                  var _ret3 = ColorMethods.hsvToRgb({ h: h, s: s, v: v });
+
+                  var _ret3 = ColorMethods.hsvToRgb({
+                    h: h,
+                    s: s,
+                    v: v
+                  });
+
                   r = _ret3.r;
                   g = _ret3.g;
                   b = _ret3.b;
                 }
+
                 a = a != null ? a : 255;
                 fireChangeEvents.call($this, context || $this);
               }
+
               break;
           }
         }
+
         function bind(callback) {
           if (typeof callback === 'function') changeEvents.push(callback);
         }
+
         function unbind(callback) {
           if (typeof callback !== 'function') return;
-          var i = void 0;
+          var i;
+
           while (i = changeEvents.includes(callback)) {
             changeEvents.splice(i, 1);
           }
         }
+
         function destroy() {
           changeEvents = null;
         }
-        var r = void 0,
-            g = void 0,
-            b = void 0,
-            a = void 0,
-            h = void 0,
-            s = void 0,
-            v = void 0,
-            changeEvents = [];
 
+        var r,
+            g,
+            b,
+            a,
+            h,
+            s,
+            v,
+            changeEvents = [];
         $.extend(true, $this, {
           // public properties and methods
           val: val,
@@ -23216,11 +25141,14 @@
           unbind: unbind,
           destroy: destroy
         });
+
         if (init) {
           if (init.ahex != null) {
             val('ahex', init);
           } else if (init.hex != null) {
-            val((init.a != null ? 'a' : '') + 'hex', init.a != null ? { ahex: init.hex + ColorMethods.intToHex(init.a) } : init);
+            val((init.a != null ? 'a' : '') + 'hex', init.a != null ? {
+              ahex: init.hex + ColorMethods.intToHex(init.a)
+            } : init);
           } else if (init.r != null && init.g != null && init.b != null) {
             val('rgb' + (init.a != null ? 'a' : ''), init);
           } else if (init.h != null && init.s != null && init.v != null) {
@@ -23228,6 +25156,7 @@
           }
         }
       },
+
       /**
       * color conversion methods  - make public to give use to external scripts
       * @namespace
@@ -23240,24 +25169,32 @@
         * @property {Integer} b
         * @property {Integer} a
         */
+
         /**
         * @typedef {PlainObject} module:jPicker.RGB
         * @property {Integer} r
         * @property {Integer} g
         * @property {Integer} b
         */
+
         /**
         * @param {string} hex
         * @returns {module:jPicker.RGBA}
         */
         hexToRgba: function hexToRgba(hex) {
-          if (hex === '' || hex === 'none') return { r: null, g: null, b: null, a: null };
+          if (hex === '' || hex === 'none') return {
+            r: null,
+            g: null,
+            b: null,
+            a: null
+          };
           hex = this.validateHex(hex);
           var r = '00',
               g = '00',
               b = '00',
               a = '255';
           if (hex.length === 6) hex += 'ff';
+
           if (hex.length > 6) {
             r = hex.substring(0, 2);
             g = hex.substring(2, 4);
@@ -23268,14 +25205,20 @@
               r = hex.substring(4, hex.length);
               hex = hex.substring(0, 4);
             }
+
             if (hex.length > 2) {
               g = hex.substring(2, hex.length);
               hex = hex.substring(0, 2);
             }
+
             if (hex.length > 0) b = hex.substring(0, hex.length);
           }
+
           return {
-            r: this.hexToInt(r), g: this.hexToInt(g), b: this.hexToInt(b), a: this.hexToInt(a)
+            r: this.hexToInt(r),
+            g: this.hexToInt(g),
+            b: this.hexToInt(b),
+            a: this.hexToInt(a)
           };
         },
 
@@ -23322,6 +25265,7 @@
         * @property {Integer} s
         * @property {Integer} v
         */
+
         /**
         * @param {module:jPicker.RGB} rgb
         * @returns {module:jPicker.HSV}
@@ -23330,9 +25274,14 @@
           var r = rgb.r / 255,
               g = rgb.g / 255,
               b = rgb.b / 255,
-              hsv = { h: 0, s: 0, v: 0 };
+              hsv = {
+            h: 0,
+            s: 0,
+            v: 0
+          };
           var min = 0,
               max = 0;
+
           if (r >= g && r >= b) {
             max = r;
             min = g > b ? b : g;
@@ -23343,9 +25292,10 @@
             max = b;
             min = g > r ? r : g;
           }
+
           hsv.v = max;
           hsv.s = max ? (max - min) / max : 0;
-          var delta = void 0;
+          var delta;
           if (!hsv.s) hsv.h = 0;else {
             delta = max - min;
             if (r === max) hsv.h = (g - b) / delta;else if (g === max) hsv.h = 2 + (b - r) / delta;else hsv.h = 4 + (r - g) / delta;
@@ -23362,7 +25312,12 @@
         * @returns {module:jPicker.RGB}
         */
         hsvToRgb: function hsvToRgb(hsv) {
-          var rgb = { r: 0, g: 0, b: 0, a: 100 };
+          var rgb = {
+            r: 0,
+            g: 0,
+            b: 0,
+            a: 100
+          };
           var h = hsv.h,
               s = hsv.s,
               v = hsv.v;
@@ -23379,42 +25334,50 @@
                 p = v * (1 - s),
                 q = v * (1 - s * f),
                 t = v * (1 - s * (1 - f));
+
             switch (i) {
               case 0:
                 rgb.r = v;
                 rgb.g = t;
                 rgb.b = p;
                 break;
+
               case 1:
                 rgb.r = q;
                 rgb.g = v;
                 rgb.b = p;
                 break;
+
               case 2:
                 rgb.r = p;
                 rgb.g = v;
                 rgb.b = t;
                 break;
+
               case 3:
                 rgb.r = p;
                 rgb.g = q;
                 rgb.b = v;
                 break;
+
               case 4:
                 rgb.r = t;
                 rgb.g = p;
                 rgb.b = v;
                 break;
+
               case 5:
                 rgb.r = v;
                 rgb.g = p;
                 rgb.b = q;
                 break;
             }
+
             rgb.r = rgb.r * 255 | 0;
             rgb.g = rgb.g * 255 | 0;
             rgb.b = rgb.b * 255 | 0;
           }
+
           return rgb;
         }
       }
@@ -23423,10 +25386,12 @@
         Color = _$$jPicker.Color,
         List = _$$jPicker.List,
         ColorMethods = _$$jPicker.ColorMethods; // local copies for YUI compressor
+
     /**
      * @function external:jQuery.fn.jPicker
      * @see {@link external:jQuery.fn.$.fn.jPicker}
      */
+
     /**
     * While it would seem this should specify the name `jPicker` for JSDoc, that doesn't
     *   get us treated as a function as well as a namespace (even with `@function name`),
@@ -23442,6 +25407,7 @@
       return this.each(function () {
         var $this = this,
             settings = $.extend(true, {}, $.fn.jPicker.defaults, options); // local copies for YUI compressor
+
         if ($($this).get(0).nodeName.toLowerCase() === 'input') {
           // Add color picker icon if binding to an input element and bind the events to the input
           $.extend(true, settings, {
@@ -23451,32 +25417,47 @@
               input: $($this)
             }
           });
+
           if ($($this).val() === '') {
-            settings.color.active = new Color({ hex: null });
-            settings.color.current = new Color({ hex: null });
+            settings.color.active = new Color({
+              hex: null
+            });
+            settings.color.current = new Color({
+              hex: null
+            });
           } else if (ColorMethods.validateHex($($this).val())) {
-            settings.color.active = new Color({ hex: $($this).val(), a: settings.color.active.val('a') });
-            settings.color.current = new Color({ hex: $($this).val(), a: settings.color.active.val('a') });
+            settings.color.active = new Color({
+              hex: $($this).val(),
+              a: settings.color.active.val('a')
+            });
+            settings.color.current = new Color({
+              hex: $($this).val(),
+              a: settings.color.active.val('a')
+            });
           }
         }
+
         if (settings.window.expandable) {
           $($this).after('<span class="jPicker"><span class="Icon"><span class="Color">&nbsp;</span><span class="Alpha">&nbsp;</span><span class="Image" title="Click To Open Color Picker">&nbsp;</span><span class="Container">&nbsp;</span></span></span>');
         } else {
           settings.window.liveUpdate = false; // Basic control binding for inline use - You will need to override the liveCallback or commitCallback function to retrieve results
         }
+
         var isLessThanIE7 = parseFloat(navigator.appVersion.split('MSIE')[1]) < 7 && document.body.filters; // needed to run the AlphaImageLoader function for IE6
         // set color mode and update visuals for the new color mode
+
         /**
          *
          * @param {"h"|"s"|"v"|"r"|"g"|"b"|"a"} colorMode [description]
          * @throws {Error} Invalid mode
          */
+
         function setColorMode(colorMode) {
           var active = color.active,
               hex = active.val('hex');
-          var rgbMap = void 0,
-              rgbBar = void 0;
+          var rgbMap, rgbBar;
           settings.color.mode = colorMode;
+
           switch (colorMode) {
             case 'h':
               setTimeout(function () {
@@ -23497,12 +25478,24 @@
                 setImgLoc.call($this, colorBarL6, 260);
                 setAlpha.call($this, colorBarL6, 100);
               }, 0);
-              colorMap.range('all', { minX: 0, maxX: 100, minY: 0, maxY: 100 });
-              colorBar.range('rangeY', { minY: 0, maxY: 360 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 100,
+                minY: 0,
+                maxY: 100
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 360
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('s'), y: 100 - active.val('v') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('s'),
+                y: 100 - active.val('v')
+              }, colorMap);
               colorBar.val('y', 360 - active.val('h'), colorBar);
               break;
+
             case 's':
               setTimeout(function () {
                 setBG.call($this, colorMapDiv, 'transparent');
@@ -23513,12 +25506,24 @@
                 setImgLoc.call($this, colorBarL6, 260);
                 setAlpha.call($this, colorBarL6, 100);
               }, 0);
-              colorMap.range('all', { minX: 0, maxX: 360, minY: 0, maxY: 100 });
-              colorBar.range('rangeY', { minY: 0, maxY: 100 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 360,
+                minY: 0,
+                maxY: 100
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 100
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('h'), y: 100 - active.val('v') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('h'),
+                y: 100 - active.val('v')
+              }, colorMap);
               colorBar.val('y', 100 - active.val('s'), colorBar);
               break;
+
             case 'v':
               setTimeout(function () {
                 setBG.call($this, colorMapDiv, '000000');
@@ -23531,39 +25536,87 @@
                 setImgLoc.call($this, colorBarL6, 260);
                 setAlpha.call($this, colorBarL6, 100);
               }, 0);
-              colorMap.range('all', { minX: 0, maxX: 360, minY: 0, maxY: 100 });
-              colorBar.range('rangeY', { minY: 0, maxY: 100 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 360,
+                minY: 0,
+                maxY: 100
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 100
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('h'), y: 100 - active.val('s') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('h'),
+                y: 100 - active.val('s')
+              }, colorMap);
               colorBar.val('y', 100 - active.val('v'), colorBar);
               break;
+
             case 'r':
               rgbMap = -1040;
               rgbBar = -780;
-              colorMap.range('all', { minX: 0, maxX: 255, minY: 0, maxY: 255 });
-              colorBar.range('rangeY', { minY: 0, maxY: 255 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 255,
+                minY: 0,
+                maxY: 255
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 255
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('b'), y: 255 - active.val('g') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('b'),
+                y: 255 - active.val('g')
+              }, colorMap);
               colorBar.val('y', 255 - active.val('r'), colorBar);
               break;
+
             case 'g':
               rgbMap = -1560;
               rgbBar = -1820;
-              colorMap.range('all', { minX: 0, maxX: 255, minY: 0, maxY: 255 });
-              colorBar.range('rangeY', { minY: 0, maxY: 255 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 255,
+                minY: 0,
+                maxY: 255
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 255
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('b'), y: 255 - active.val('r') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('b'),
+                y: 255 - active.val('r')
+              }, colorMap);
               colorBar.val('y', 255 - active.val('g'), colorBar);
               break;
+
             case 'b':
               rgbMap = -2080;
               rgbBar = -2860;
-              colorMap.range('all', { minX: 0, maxX: 255, minY: 0, maxY: 255 });
-              colorBar.range('rangeY', { minY: 0, maxY: 255 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 255,
+                minY: 0,
+                maxY: 255
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 255
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('r'), y: 255 - active.val('g') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('r'),
+                y: 255 - active.val('g')
+              }, colorMap);
               colorBar.val('y', 255 - active.val('b'), colorBar);
               break;
+
             case 'a':
               setTimeout(function () {
                 setBG.call($this, colorMapDiv, 'transparent');
@@ -23575,18 +25628,32 @@
                 setImgLoc.call($this, colorBarL6, 0);
                 setAlpha.call($this, colorBarL6, 100);
               }, 0);
-              colorMap.range('all', { minX: 0, maxX: 360, minY: 0, maxY: 100 });
-              colorBar.range('rangeY', { minY: 0, maxY: 255 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 360,
+                minY: 0,
+                maxY: 100
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 255
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('h'), y: 100 - active.val('v') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('h'),
+                y: 100 - active.val('v')
+              }, colorMap);
               colorBar.val('y', 255 - active.val('a'), colorBar);
               break;
+
             default:
               throw new Error('Invalid Mode');
           }
+
           switch (colorMode) {
             case 'h':
               break;
+
             case 's':
             case 'v':
             case 'a':
@@ -23599,6 +25666,7 @@
                 setAlpha.call($this, colorBarL4, 100);
               }, 0);
               break;
+
             case 'r':
             case 'g':
             case 'b':
@@ -23618,10 +25686,12 @@
               }, 0);
               break;
           }
+
           if (active.val('ahex') == null) return;
           activeColorChanged.call($this, active);
-        }
-        // Update color when user changes text values
+        } // Update color when user changes text values
+
+
         function activeColorChanged(ui, context) {
           if (context == null || context !== colorBar && context !== colorMap) positionMapAndBarArrows.call($this, ui, context);
           setTimeout(function () {
@@ -23629,117 +25699,191 @@
             updateMapVisuals.call($this, ui);
             updateBarVisuals.call($this, ui);
           }, 0);
-        }
-        // user has dragged the ColorMap pointer
+        } // user has dragged the ColorMap pointer
+
+
         function mapValueChanged(ui, context) {
           var active = color.active;
-
           if (context !== colorMap && active.val() == null) return;
           var xy = ui.val('all');
+
           switch (settings.color.mode) {
             case 'h':
-              active.val('sv', { s: xy.x, v: 100 - xy.y }, context);
+              active.val('sv', {
+                s: xy.x,
+                v: 100 - xy.y
+              }, context);
               break;
+
             case 's':
             case 'a':
-              active.val('hv', { h: xy.x, v: 100 - xy.y }, context);
+              active.val('hv', {
+                h: xy.x,
+                v: 100 - xy.y
+              }, context);
               break;
+
             case 'v':
-              active.val('hs', { h: xy.x, s: 100 - xy.y }, context);
+              active.val('hs', {
+                h: xy.x,
+                s: 100 - xy.y
+              }, context);
               break;
+
             case 'r':
-              active.val('gb', { g: 255 - xy.y, b: xy.x }, context);
+              active.val('gb', {
+                g: 255 - xy.y,
+                b: xy.x
+              }, context);
               break;
+
             case 'g':
-              active.val('rb', { r: 255 - xy.y, b: xy.x }, context);
+              active.val('rb', {
+                r: 255 - xy.y,
+                b: xy.x
+              }, context);
               break;
+
             case 'b':
-              active.val('rg', { r: xy.x, g: 255 - xy.y }, context);
+              active.val('rg', {
+                r: xy.x,
+                g: 255 - xy.y
+              }, context);
               break;
           }
-        }
-        // user has dragged the ColorBar slider
+        } // user has dragged the ColorBar slider
+
+
         function colorBarValueChanged(ui, context) {
           var active = color.active;
-
           if (context !== colorBar && active.val() == null) return;
+
           switch (settings.color.mode) {
             case 'h':
-              active.val('h', { h: 360 - ui.val('y') }, context);
+              active.val('h', {
+                h: 360 - ui.val('y')
+              }, context);
               break;
+
             case 's':
-              active.val('s', { s: 100 - ui.val('y') }, context);
+              active.val('s', {
+                s: 100 - ui.val('y')
+              }, context);
               break;
+
             case 'v':
-              active.val('v', { v: 100 - ui.val('y') }, context);
+              active.val('v', {
+                v: 100 - ui.val('y')
+              }, context);
               break;
+
             case 'r':
-              active.val('r', { r: 255 - ui.val('y') }, context);
+              active.val('r', {
+                r: 255 - ui.val('y')
+              }, context);
               break;
+
             case 'g':
-              active.val('g', { g: 255 - ui.val('y') }, context);
+              active.val('g', {
+                g: 255 - ui.val('y')
+              }, context);
               break;
+
             case 'b':
-              active.val('b', { b: 255 - ui.val('y') }, context);
+              active.val('b', {
+                b: 255 - ui.val('y')
+              }, context);
               break;
+
             case 'a':
               active.val('a', 255 - ui.val('y'), context);
               break;
           }
-        }
-        // position map and bar arrows to match current color
+        } // position map and bar arrows to match current color
+
+
         function positionMapAndBarArrows(ui, context) {
           if (context !== colorMap) {
             switch (settings.color.mode) {
               case 'h':
                 var sv = ui.val('sv');
-                colorMap.val('xy', { x: sv != null ? sv.s : 100, y: 100 - (sv != null ? sv.v : 100) }, context);
+                colorMap.val('xy', {
+                  x: sv != null ? sv.s : 100,
+                  y: 100 - (sv != null ? sv.v : 100)
+                }, context);
                 break;
+
               case 's':
               case 'a':
                 var hv = ui.val('hv');
-                colorMap.val('xy', { x: hv && hv.h || 0, y: 100 - (hv != null ? hv.v : 100) }, context);
+                colorMap.val('xy', {
+                  x: hv && hv.h || 0,
+                  y: 100 - (hv != null ? hv.v : 100)
+                }, context);
                 break;
+
               case 'v':
                 var hs = ui.val('hs');
-                colorMap.val('xy', { x: hs && hs.h || 0, y: 100 - (hs != null ? hs.s : 100) }, context);
+                colorMap.val('xy', {
+                  x: hs && hs.h || 0,
+                  y: 100 - (hs != null ? hs.s : 100)
+                }, context);
                 break;
+
               case 'r':
                 var bg = ui.val('bg');
-                colorMap.val('xy', { x: bg && bg.b || 0, y: 255 - (bg && bg.g || 0) }, context);
+                colorMap.val('xy', {
+                  x: bg && bg.b || 0,
+                  y: 255 - (bg && bg.g || 0)
+                }, context);
                 break;
+
               case 'g':
                 var br = ui.val('br');
-                colorMap.val('xy', { x: br && br.b || 0, y: 255 - (br && br.r || 0) }, context);
+                colorMap.val('xy', {
+                  x: br && br.b || 0,
+                  y: 255 - (br && br.r || 0)
+                }, context);
                 break;
+
               case 'b':
                 var rg = ui.val('rg');
-                colorMap.val('xy', { x: rg && rg.r || 0, y: 255 - (rg && rg.g || 0) }, context);
+                colorMap.val('xy', {
+                  x: rg && rg.r || 0,
+                  y: 255 - (rg && rg.g || 0)
+                }, context);
                 break;
             }
           }
+
           if (context !== colorBar) {
             switch (settings.color.mode) {
               case 'h':
                 colorBar.val('y', 360 - (ui.val('h') || 0), context);
                 break;
+
               case 's':
                 var s = ui.val('s');
                 colorBar.val('y', 100 - (s != null ? s : 100), context);
                 break;
+
               case 'v':
                 var v = ui.val('v');
                 colorBar.val('y', 100 - (v != null ? v : 100), context);
                 break;
+
               case 'r':
                 colorBar.val('y', 255 - (ui.val('r') || 0), context);
                 break;
+
               case 'g':
                 colorBar.val('y', 255 - (ui.val('g') || 0), context);
                 break;
+
               case 'b':
                 colorBar.val('y', 255 - (ui.val('b') || 0), context);
                 break;
+
               case 'a':
                 var a = ui.val('a');
                 colorBar.val('y', 255 - (a != null ? a : 255), context);
@@ -23747,65 +25891,92 @@
             }
           }
         }
+
         function updatePreview(ui) {
           try {
             var all = ui.val('all');
-            activePreview.css({ backgroundColor: all && '#' + all.hex || 'transparent' });
+            activePreview.css({
+              backgroundColor: all && '#' + all.hex || 'transparent'
+            });
             setAlpha.call($this, activePreview, all && toFixedNumeric(all.a * 100 / 255, 4) || 0);
           } catch (e) {}
         }
+
         function updateMapVisuals(ui) {
           switch (settings.color.mode) {
             case 'h':
-              setBG.call($this, colorMapDiv, new Color({ h: ui.val('h') || 0, s: 100, v: 100 }).val('hex'));
+              setBG.call($this, colorMapDiv, new Color({
+                h: ui.val('h') || 0,
+                s: 100,
+                v: 100
+              }).val('hex'));
               break;
+
             case 's':
             case 'a':
               var s = ui.val('s');
               setAlpha.call($this, colorMapL2, 100 - (s != null ? s : 100));
               break;
+
             case 'v':
               var v = ui.val('v');
               setAlpha.call($this, colorMapL1, v != null ? v : 100);
               break;
+
             case 'r':
               setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('r') || 0) / 255 * 100, 4));
               break;
+
             case 'g':
               setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('g') || 0) / 255 * 100, 4));
               break;
+
             case 'b':
               setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('b') || 0) / 255 * 100));
               break;
           }
+
           var a = ui.val('a');
           setAlpha.call($this, colorMapL3, toFixedNumeric((255 - (a || 0)) * 100 / 255, 4));
         }
+
         function updateBarVisuals(ui) {
           switch (settings.color.mode) {
             case 'h':
               var a = ui.val('a');
               setAlpha.call($this, colorBarL5, toFixedNumeric((255 - (a || 0)) * 100 / 255, 4));
               break;
+
             case 's':
               var hva = ui.val('hva'),
-                  saturatedColor = new Color({ h: hva && hva.h || 0, s: 100, v: hva != null ? hva.v : 100 });
+                  saturatedColor = new Color({
+                h: hva && hva.h || 0,
+                s: 100,
+                v: hva != null ? hva.v : 100
+              });
               setBG.call($this, colorBarDiv, saturatedColor.val('hex'));
               setAlpha.call($this, colorBarL2, 100 - (hva != null ? hva.v : 100));
               setAlpha.call($this, colorBarL5, toFixedNumeric((255 - (hva && hva.a || 0)) * 100 / 255, 4));
               break;
+
             case 'v':
               var hsa = ui.val('hsa'),
-                  valueColor = new Color({ h: hsa && hsa.h || 0, s: hsa != null ? hsa.s : 100, v: 100 });
+                  valueColor = new Color({
+                h: hsa && hsa.h || 0,
+                s: hsa != null ? hsa.s : 100,
+                v: 100
+              });
               setBG.call($this, colorBarDiv, valueColor.val('hex'));
               setAlpha.call($this, colorBarL5, toFixedNumeric((255 - (hsa && hsa.a || 0)) * 100 / 255, 4));
               break;
+
             case 'r':
             case 'g':
             case 'b':
               var rgba = ui.val('rgba');
               var hValue = 0,
                   vValue = 0;
+
               if (settings.color.mode === 'r') {
                 hValue = rgba && rgba.b || 0;
                 vValue = rgba && rgba.g || 0;
@@ -23816,15 +25987,18 @@
                 hValue = rgba && rgba.r || 0;
                 vValue = rgba && rgba.g || 0;
               }
+
               var middle = vValue > hValue ? hValue : vValue;
               setAlpha.call($this, colorBarL2, hValue > vValue ? toFixedNumeric((hValue - vValue) / (255 - vValue) * 100, 4) : 0);
               setAlpha.call($this, colorBarL3, vValue > hValue ? toFixedNumeric((vValue - hValue) / (255 - hValue) * 100, 4) : 0);
               setAlpha.call($this, colorBarL4, toFixedNumeric(middle / 255 * 100, 4));
               setAlpha.call($this, colorBarL5, toFixedNumeric((255 - (rgba && rgba.a || 0)) * 100 / 255, 4));
               break;
+
             case 'a':
               {
                 var _a = ui.val('a');
+
                 setBG.call($this, colorBarDiv, ui.val('hex') || '000000');
                 setAlpha.call($this, colorBarL5, _a != null ? 0 : 100);
                 setAlpha.call($this, colorBarL6, _a != null ? 100 : 0);
@@ -23832,74 +26006,118 @@
               }
           }
         }
+
         function setBG(el, c) {
-          el.css({ backgroundColor: c && c.length === 6 && '#' + c || 'transparent' });
+          el.css({
+            backgroundColor: c && c.length === 6 && '#' + c || 'transparent'
+          });
         }
+
         function setImg(img, src) {
           if (isLessThanIE7 && (src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png'))) {
             img.attr('pngSrc', src);
-            img.css({ backgroundImage: 'none', filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=\'scale\')' });
-          } else img.css({ backgroundImage: 'url(\'' + src + '\')' });
+            img.css({
+              backgroundImage: 'none',
+              filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=\'scale\')'
+            });
+          } else img.css({
+            backgroundImage: 'url(\'' + src + '\')'
+          });
         }
+
         function setImgLoc(img, y) {
-          img.css({ top: y + 'px' });
+          img.css({
+            top: y + 'px'
+          });
         }
+
         function setAlpha(obj, alpha) {
-          obj.css({ visibility: alpha > 0 ? 'visible' : 'hidden' });
+          obj.css({
+            visibility: alpha > 0 ? 'visible' : 'hidden'
+          });
+
           if (alpha > 0 && alpha < 100) {
             if (isLessThanIE7) {
               var src = obj.attr('pngSrc');
+
               if (src != null && (src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png'))) {
-                obj.css({ filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=\'scale\') progid:DXImageTransform.Microsoft.Alpha(opacity=' + alpha + ')' });
-              } else obj.css({ opacity: toFixedNumeric(alpha / 100, 4) });
-            } else obj.css({ opacity: toFixedNumeric(alpha / 100, 4) });
+                obj.css({
+                  filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=\'scale\') progid:DXImageTransform.Microsoft.Alpha(opacity=' + alpha + ')'
+                });
+              } else obj.css({
+                opacity: toFixedNumeric(alpha / 100, 4)
+              });
+            } else obj.css({
+              opacity: toFixedNumeric(alpha / 100, 4)
+            });
           } else if (alpha === 0 || alpha === 100) {
             if (isLessThanIE7) {
               var _src = obj.attr('pngSrc');
+
               if (_src != null && (_src.includes('AlphaBar.png') || _src.includes('Bars.png') || _src.includes('Maps.png'))) {
-                obj.css({ filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + _src + '\', sizingMethod=\'scale\')' });
-              } else obj.css({ opacity: '' });
-            } else obj.css({ opacity: '' });
+                obj.css({
+                  filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + _src + '\', sizingMethod=\'scale\')'
+                });
+              } else obj.css({
+                opacity: ''
+              });
+            } else obj.css({
+              opacity: ''
+            });
           }
-        }
-        // revert color to original color when opened
+        } // revert color to original color when opened
+
+
         function revertColor() {
           color.active.val('ahex', color.current.val('ahex'));
-        }
-        // commit the color changes
+        } // commit the color changes
+
+
         function commitColor() {
           color.current.val('ahex', color.active.val('ahex'));
         }
+
         function radioClicked(e) {
           $(this).parents('tbody:first').find('input:radio[value!="' + e.target.value + '"]').removeAttr('checked');
           setColorMode.call($this, e.target.value);
         }
+
         function currentClicked() {
           revertColor.call($this);
         }
+
         function cancelClicked() {
           revertColor.call($this);
           settings.window.expandable && hide.call($this);
           typeof cancelCallback === 'function' && cancelCallback.call($this, color.active, cancelButton);
         }
+
         function okClicked() {
           commitColor.call($this);
           settings.window.expandable && hide.call($this);
           typeof commitCallback === 'function' && commitCallback.call($this, color.active, okButton);
         }
+
         function iconImageClicked() {
           show.call($this);
         }
+
         function currentColorChanged(ui, context) {
           var hex = ui.val('hex');
-          currentPreview.css({ backgroundColor: hex && '#' + hex || 'transparent' });
+          currentPreview.css({
+            backgroundColor: hex && '#' + hex || 'transparent'
+          });
           setAlpha.call($this, currentPreview, toFixedNumeric((ui.val('a') || 0) * 100 / 255, 4));
         }
+
         function expandableColorChanged(ui, context) {
           var hex = ui.val('hex');
           var va = ui.val('va');
-          iconColor.css({ backgroundColor: hex && '#' + hex || 'transparent' });
+          iconColor.css({
+            backgroundColor: hex && '#' + hex || 'transparent'
+          });
           setAlpha.call($this, iconAlpha, toFixedNumeric((255 - (va && va.a || 0)) * 100 / 255, 4));
+
           if (settings.window.bindToInput && settings.window.updateInputColor) {
             settings.window.input.css({
               backgroundColor: hex && '#' + hex || 'transparent',
@@ -23907,104 +26125,147 @@
             });
           }
         }
+
         function moveBarMouseDown(e) {
           // const {element} = settings.window, // local copies for YUI compressor
           //     {page} = settings.window;
           elementStartX = parseInt(container.css('left'));
           elementStartY = parseInt(container.css('top'));
           pageStartX = e.pageX;
-          pageStartY = e.pageY;
-          // bind events to document to move window - we will unbind these on mouseup
+          pageStartY = e.pageY; // bind events to document to move window - we will unbind these on mouseup
+
           $(document).bind('mousemove', documentMouseMove).bind('mouseup', documentMouseUp);
           e.preventDefault(); // prevent attempted dragging of the column
         }
+
         function documentMouseMove(e) {
-          container.css({ left: elementStartX - (pageStartX - e.pageX) + 'px', top: elementStartY - (pageStartY - e.pageY) + 'px' });
-          if (settings.window.expandable && !$.support.boxModel) container.prev().css({ left: container.css('left'), top: container.css('top') });
+          container.css({
+            left: elementStartX - (pageStartX - e.pageX) + 'px',
+            top: elementStartY - (pageStartY - e.pageY) + 'px'
+          });
+          if (settings.window.expandable && !$.support.boxModel) container.prev().css({
+            left: container.css('left'),
+            top: container.css('top')
+          });
           e.stopPropagation();
           e.preventDefault();
           return false;
         }
+
         function documentMouseUp(e) {
           $(document).unbind('mousemove', documentMouseMove).unbind('mouseup', documentMouseUp);
           e.stopPropagation();
           e.preventDefault();
           return false;
         }
+
         function quickPickClicked(e) {
           e.preventDefault();
           e.stopPropagation();
           color.active.val('ahex', $(this).attr('title') || null, e.target);
           return false;
         }
+
         function show() {
           color.current.val('ahex', color.active.val('ahex'));
+
           function attachIFrame() {
             if (!settings.window.expandable || $.support.boxModel) return;
             var table = container.find('table:first');
             container.before('<iframe/>');
-            container.prev().css({ width: table.width(), height: container.height(), opacity: 0, position: 'absolute', left: container.css('left'), top: container.css('top') });
+            container.prev().css({
+              width: table.width(),
+              height: container.height(),
+              opacity: 0,
+              position: 'absolute',
+              left: container.css('left'),
+              top: container.css('top')
+            });
           }
+
           if (settings.window.expandable) {
-            $(document.body).children('div.jPicker.Container').css({ zIndex: 10 });
-            container.css({ zIndex: 20 });
+            $(document.body).children('div.jPicker.Container').css({
+              zIndex: 10
+            });
+            container.css({
+              zIndex: 20
+            });
           }
+
           switch (settings.window.effects.type) {
             case 'fade':
               container.fadeIn(settings.window.effects.speed.show, attachIFrame);
               break;
+
             case 'slide':
               container.slideDown(settings.window.effects.speed.show, attachIFrame);
               break;
+
             case 'show':
             default:
               container.show(settings.window.effects.speed.show, attachIFrame);
               break;
           }
         }
+
         function hide() {
           function removeIFrame() {
-            if (settings.window.expandable) container.css({ zIndex: 10 });
+            if (settings.window.expandable) container.css({
+              zIndex: 10
+            });
             if (!settings.window.expandable || $.support.boxModel) return;
             container.prev().remove();
           }
+
           switch (settings.window.effects.type) {
             case 'fade':
               container.fadeOut(settings.window.effects.speed.hide, removeIFrame);
               break;
+
             case 'slide':
               container.slideUp(settings.window.effects.speed.hide, removeIFrame);
               break;
+
             case 'show':
             default:
               container.hide(settings.window.effects.speed.hide, removeIFrame);
               break;
           }
         }
+
         function initialize() {
           var win = settings.window,
               popup = win.expandable ? $($this).next().find('.Container:first') : null;
           container = win.expandable ? $('<div/>') : $($this);
           container.addClass('jPicker Container');
           if (win.expandable) container.hide();
+
           container.get(0).onselectstart = function (event) {
             if (event.target.nodeName.toLowerCase() !== 'input') return false;
-          };
-          // inject html source code - we are using a single table for this control - I know tables are considered bad, but it takes care of equal height columns and
+          }; // inject html source code - we are using a single table for this control - I know tables are considered bad, but it takes care of equal height columns and
           // this control really is tabular data, so I believe it is the right move
+
+
           var all = color.active.val('all');
           if (win.alphaPrecision < 0) win.alphaPrecision = 0;else if (win.alphaPrecision > 2) win.alphaPrecision = 2;
-          var controlHtml = '<table class="jPicker" cellpadding="0" cellspacing="0">\n          <tbody>\n            ' + (win.expandable ? '<tr><td class="Move" colspan="5">&nbsp;</td></tr>' : '') + '\n            <tr>\n              <td rowspan="9"><h2 class="Title">' + (win.title || localization.text.title) + '</h2><div class="Map"><span class="Map1">&nbsp;</span><span class="Map2">&nbsp;</span><span class="Map3">&nbsp;</span><img src="' + (images.clientPath + images.colorMap.arrow.file) + '" class="Arrow"/></div></td>\n              <td rowspan="9"><div class="Bar"><span class="Map1">&nbsp;</span><span class="Map2">&nbsp;</span><span class="Map3">&nbsp;</span><span class="Map4">&nbsp;</span><span class="Map5">&nbsp;</span><span class="Map6">&nbsp;</span><img src="' + (images.clientPath + images.colorBar.arrow.file) + '" class="Arrow"/></div></td>\n              <td colspan="2" class="Preview">' + localization.text.newColor + '<div><span class="Active" title="' + localization.tooltips.colors.newColor + '">&nbsp;</span><span class="Current" title="' + localization.tooltips.colors.currentColor + '">&nbsp;</span></div>' + localization.text.currentColor + '</td>\n              <td rowspan="9" class="Button"><input type="button" class="Ok" value="' + localization.text.ok + '" title="' + localization.tooltips.buttons.ok + '"/><input type="button" class="Cancel" value="' + localization.text.cancel + '" title="' + localization.tooltips.buttons.cancel + '"/><hr/><div class="Grid">&nbsp;</div></td>\n            </tr>\n            <tr class="Hue">\n              <td class="Radio"><label title="' + localization.tooltips.hue.radio + '"><input type="radio" value="h"' + (settings.color.mode === 'h' ? ' checked="checked"' : '') + '/>H:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.h : '') + '" title="' + localization.tooltips.hue.textbox + '"/>&nbsp;&deg;</td>\n            </tr>\n            <tr class="Saturation">\n              <td class="Radio"><label title="' + localization.tooltips.saturation.radio + '"><input type="radio" value="s"' + (settings.color.mode === 's' ? ' checked="checked"' : '') + '/>S:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.s : '') + '" title="' + localization.tooltips.saturation.textbox + '"/>&nbsp;%</td>\n            </tr>\n            <tr class="Value">\n              <td class="Radio"><label title="' + localization.tooltips.value.radio + '"><input type="radio" value="v"' + (settings.color.mode === 'v' ? ' checked="checked"' : '') + '/>V:</label><br/><br/></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.v : '') + '" title="' + localization.tooltips.value.textbox + '"/>&nbsp;%<br/><br/></td>\n            </tr>\n            <tr class="Red">\n              <td class="Radio"><label title="' + localization.tooltips.red.radio + '"><input type="radio" value="r"' + (settings.color.mode === 'r' ? ' checked="checked"' : '') + '/>R:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.r : '') + '" title="' + localization.tooltips.red.textbox + '"/></td>\n            </tr>\n            <tr class="Green">\n              <td class="Radio"><label title="' + localization.tooltips.green.radio + '"><input type="radio" value="g"' + (settings.color.mode === 'g' ? ' checked="checked"' : '') + '/>G:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.g : '') + '" title="' + localization.tooltips.green.textbox + '"/></td>\n            </tr>\n            <tr class="Blue">\n              <td class="Radio"><label title="' + localization.tooltips.blue.radio + '"><input type="radio" value="b"' + (settings.color.mode === 'b' ? ' checked="checked"' : '') + '/>B:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.b : '') + '" title="' + localization.tooltips.blue.textbox + '"/></td>\n            </tr>\n            <tr class="Alpha">\n              <td class="Radio">' + (win.alphaSupport ? '<label title="' + localization.tooltips.alpha.radio + '"><input type="radio" value="a"' + (settings.color.mode === 'a' ? ' checked="checked"' : '') + '/>A:</label>' : '&nbsp;') + '</td>\n              <td class="Text">' + (win.alphaSupport ? '<input type="text" maxlength="' + (3 + win.alphaPrecision) + '" value="' + (all != null ? toFixedNumeric(all.a * 100 / 255, win.alphaPrecision) : '') + '" title="' + localization.tooltips.alpha.textbox + '"/>&nbsp;%' : '&nbsp;') + '</td>\n            </tr>\n            <tr class="Hex">\n              <td colspan="2" class="Text"><label title="' + localization.tooltips.hex.textbox + '">#:<input type="text" maxlength="6" class="Hex" value="' + (all != null ? all.hex : '') + '"/></label>' + (win.alphaSupport ? '<input type="text" maxlength="2" class="AHex" value="' + (all != null ? all.ahex.substring(6) : '') + '" title="' + localization.tooltips.hex.alpha + '"/></td>' : '&nbsp;') + '\n            </tr>\n          </tbody></table>';
+          var controlHtml = "<table class=\"jPicker\" cellpadding=\"0\" cellspacing=\"0\">\n          <tbody>\n            ".concat(win.expandable ? "<tr><td class=\"Move\" colspan=\"5\">&nbsp;</td></tr>" : '', "\n            <tr>\n              <td rowspan=\"9\"><h2 class=\"Title\">").concat(win.title || localization.text.title, "</h2><div class=\"Map\"><span class=\"Map1\">&nbsp;</span><span class=\"Map2\">&nbsp;</span><span class=\"Map3\">&nbsp;</span><img src=\"").concat(images.clientPath + images.colorMap.arrow.file, "\" class=\"Arrow\"/></div></td>\n              <td rowspan=\"9\"><div class=\"Bar\"><span class=\"Map1\">&nbsp;</span><span class=\"Map2\">&nbsp;</span><span class=\"Map3\">&nbsp;</span><span class=\"Map4\">&nbsp;</span><span class=\"Map5\">&nbsp;</span><span class=\"Map6\">&nbsp;</span><img src=\"").concat(images.clientPath + images.colorBar.arrow.file, "\" class=\"Arrow\"/></div></td>\n              <td colspan=\"2\" class=\"Preview\">").concat(localization.text.newColor, "<div><span class=\"Active\" title=\"").concat(localization.tooltips.colors.newColor, "\">&nbsp;</span><span class=\"Current\" title=\"").concat(localization.tooltips.colors.currentColor, "\">&nbsp;</span></div>").concat(localization.text.currentColor, "</td>\n              <td rowspan=\"9\" class=\"Button\"><input type=\"button\" class=\"Ok\" value=\"").concat(localization.text.ok, "\" title=\"").concat(localization.tooltips.buttons.ok, "\"/><input type=\"button\" class=\"Cancel\" value=\"").concat(localization.text.cancel, "\" title=\"").concat(localization.tooltips.buttons.cancel, "\"/><hr/><div class=\"Grid\">&nbsp;</div></td>\n            </tr>\n            <tr class=\"Hue\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.hue.radio, "\"><input type=\"radio\" value=\"h\"").concat(settings.color.mode === 'h' ? ' checked="checked"' : '', "/>H:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.h : '', "\" title=\"").concat(localization.tooltips.hue.textbox, "\"/>&nbsp;&deg;</td>\n            </tr>\n            <tr class=\"Saturation\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.saturation.radio, "\"><input type=\"radio\" value=\"s\"").concat(settings.color.mode === 's' ? ' checked="checked"' : '', "/>S:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.s : '', "\" title=\"").concat(localization.tooltips.saturation.textbox, "\"/>&nbsp;%</td>\n            </tr>\n            <tr class=\"Value\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.value.radio, "\"><input type=\"radio\" value=\"v\"").concat(settings.color.mode === 'v' ? ' checked="checked"' : '', "/>V:</label><br/><br/></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.v : '', "\" title=\"").concat(localization.tooltips.value.textbox, "\"/>&nbsp;%<br/><br/></td>\n            </tr>\n            <tr class=\"Red\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.red.radio, "\"><input type=\"radio\" value=\"r\"").concat(settings.color.mode === 'r' ? ' checked="checked"' : '', "/>R:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.r : '', "\" title=\"").concat(localization.tooltips.red.textbox, "\"/></td>\n            </tr>\n            <tr class=\"Green\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.green.radio, "\"><input type=\"radio\" value=\"g\"").concat(settings.color.mode === 'g' ? ' checked="checked"' : '', "/>G:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.g : '', "\" title=\"").concat(localization.tooltips.green.textbox, "\"/></td>\n            </tr>\n            <tr class=\"Blue\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.blue.radio, "\"><input type=\"radio\" value=\"b\"").concat(settings.color.mode === 'b' ? ' checked="checked"' : '', "/>B:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.b : '', "\" title=\"").concat(localization.tooltips.blue.textbox, "\"/></td>\n            </tr>\n            <tr class=\"Alpha\">\n              <td class=\"Radio\">").concat(win.alphaSupport ? "<label title=\"".concat(localization.tooltips.alpha.radio, "\"><input type=\"radio\" value=\"a\"").concat(settings.color.mode === 'a' ? ' checked="checked"' : '', "/>A:</label>") : '&nbsp;', "</td>\n              <td class=\"Text\">").concat(win.alphaSupport ? "<input type=\"text\" maxlength=\"".concat(3 + win.alphaPrecision, "\" value=\"").concat(all != null ? toFixedNumeric(all.a * 100 / 255, win.alphaPrecision) : '', "\" title=\"").concat(localization.tooltips.alpha.textbox, "\"/>&nbsp;%") : '&nbsp;', "</td>\n            </tr>\n            <tr class=\"Hex\">\n              <td colspan=\"2\" class=\"Text\"><label title=\"").concat(localization.tooltips.hex.textbox, "\">#:<input type=\"text\" maxlength=\"6\" class=\"Hex\" value=\"").concat(all != null ? all.hex : '', "\"/></label>").concat(win.alphaSupport ? "<input type=\"text\" maxlength=\"2\" class=\"AHex\" value=\"".concat(all != null ? all.ahex.substring(6) : '', "\" title=\"").concat(localization.tooltips.hex.alpha, "\"/></td>") : '&nbsp;', "\n            </tr>\n          </tbody></table>");
+
           if (win.expandable) {
             container.html(controlHtml);
+
             if (!$(document.body).children('div.jPicker.Container').length) {
               $(document.body).prepend(container);
             } else {
               $(document.body).children('div.jPicker.Container:last').after(container);
             }
+
             container.mousedown(function () {
-              $(document.body).children('div.jPicker.Container').css({ zIndex: 10 });
-              container.css({ zIndex: 20 });
+              $(document.body).children('div.jPicker.Container').css({
+                zIndex: 10
+              });
+              container.css({
+                zIndex: 20
+              });
             });
             container.css( // positions must be set and display set to absolute before source code injection or IE will size the container to fit the window
             {
@@ -24015,8 +26276,9 @@
           } else {
             container = $($this);
             container.html(controlHtml);
-          }
-          // initialize the objects to the source code just injected
+          } // initialize the objects to the source code just injected
+
+
           var tbody = container.find('tbody:first');
           colorMapDiv = tbody.find('div.Map:first');
           colorBarDiv = tbody.find('div.Bar:first');
@@ -24030,8 +26292,8 @@
           colorBarL3 = BarMaps.filter('.Map3:first');
           colorBarL4 = BarMaps.filter('.Map4:first');
           colorBarL5 = BarMaps.filter('.Map5:first');
-          colorBarL6 = BarMaps.filter('.Map6:first');
-          // create color pickers and maps
+          colorBarL6 = BarMaps.filter('.Map6:first'); // create color pickers and maps
+
           colorMap = new Slider(colorMapDiv, {
             map: {
               width: images.colorMap.width,
@@ -24060,8 +26322,12 @@
           var hex = all != null ? all.hex : null,
               preview = tbody.find('.Preview'),
               button = tbody.find('.Button');
-          activePreview = preview.find('.Active:first').css({ backgroundColor: hex && '#' + hex || 'transparent' });
-          currentPreview = preview.find('.Current:first').css({ backgroundColor: hex && '#' + hex || 'transparent' }).bind('click', currentClicked);
+          activePreview = preview.find('.Active:first').css({
+            backgroundColor: hex && '#' + hex || 'transparent'
+          });
+          currentPreview = preview.find('.Current:first').css({
+            backgroundColor: hex && '#' + hex || 'transparent'
+          }).bind('click', currentClicked);
           setAlpha.call($this, currentPreview, toFixedNumeric(color.current.val('a') * 100 / 255, 4));
           okButton = button.find('.Ok:first').bind('click', okClicked);
           cancelButton = button.find('.Cancel:first').bind('click', cancelClicked);
@@ -24078,13 +26344,16 @@
             setImg.call($this, colorBarL6, images.clientPath + 'AlphaBar.png');
             setImg.call($this, preview.find('div:first'), images.clientPath + 'preview-opacity.png');
           }, 0);
-          tbody.find('td.Radio input').bind('click', radioClicked);
-          // initialize quick list
+          tbody.find('td.Radio input').bind('click', radioClicked); // initialize quick list
+
           if (color.quickList && color.quickList.length > 0) {
             var html = '';
+
             for (var i = 0; i < color.quickList.length; i++) {
               /* if default colors are hex strings, change them to color objects */
-              if (_typeof(color.quickList[i]).toString().toLowerCase() === 'string') color.quickList[i] = new Color({ hex: color.quickList[i] });
+              if (_typeof(color.quickList[i]).toString().toLowerCase() === 'string') color.quickList[i] = new Color({
+                hex: color.quickList[i]
+              });
               var alpha = color.quickList[i].val('a');
               var ahex = color.quickList[i].val('ahex');
               if (!win.alphaSupport && ahex) ahex = ahex.substring(0, 6) + 'ff';
@@ -24092,44 +26361,53 @@
               if (!ahex) ahex = '00000000';
               html += '<span class="QuickColor"' + (' title="#' + ahex + '"') + ' style="background-color:' + (quickHex && '#' + quickHex || '') + ';' + (quickHex ? '' : 'background-image:url(' + images.clientPath + 'NoColor.png)') + (win.alphaSupport && alpha && alpha < 255 ? ';opacity:' + toFixedNumeric(alpha / 255, 4) + ';filter:Alpha(opacity=' + toFixedNumeric(alpha / 2.55, 4) + ')' : '') + '">&nbsp;</span>';
             }
+
             setImg.call($this, grid, images.clientPath + 'bar-opacity.png');
             grid.html(html);
             grid.find('.QuickColor').click(quickPickClicked);
           }
+
           setColorMode.call($this, settings.color.mode);
           color.active.bind(activeColorChanged);
           typeof liveCallback === 'function' && color.active.bind(liveCallback);
-          color.current.bind(currentColorChanged);
-          // bind to input
+          color.current.bind(currentColorChanged); // bind to input
+
           if (win.expandable) {
             $this.icon = popup.parents('.Icon:first');
-            iconColor = $this.icon.find('.Color:first').css({ backgroundColor: hex && '#' + hex || 'transparent' });
+            iconColor = $this.icon.find('.Color:first').css({
+              backgroundColor: hex && '#' + hex || 'transparent'
+            });
             iconAlpha = $this.icon.find('.Alpha:first');
             setImg.call($this, iconAlpha, images.clientPath + 'bar-opacity.png');
             setAlpha.call($this, iconAlpha, toFixedNumeric((255 - (all != null ? all.a : 0)) * 100 / 255, 4));
             iconImage = $this.icon.find('.Image:first').css({
               backgroundImage: 'url(\'' + images.clientPath + images.picker.file + '\')'
             }).bind('click', iconImageClicked);
+
             if (win.bindToInput && win.updateInputColor) {
               win.input.css({
                 backgroundColor: hex && '#' + hex || 'transparent',
                 color: all == null || all.v > 75 ? '#000000' : '#ffffff'
               });
             }
+
             moveBar = tbody.find('.Move:first').bind('mousedown', moveBarMouseDown);
             color.active.bind(expandableColorChanged);
           } else show.call($this);
         }
+
         function destroy() {
           container.find('td.Radio input').unbind('click', radioClicked);
           currentPreview.unbind('click', currentClicked);
           cancelButton.unbind('click', cancelClicked);
           okButton.unbind('click', okClicked);
+
           if (settings.window.expandable) {
             iconImage.unbind('click', iconImageClicked);
             moveBar.unbind('mousedown', moveBarMouseDown);
             $this.icon = null;
           }
+
           container.find('.QuickColor').unbind('click', quickPickClicked);
           colorMapDiv = null;
           colorBarDiv = null;
@@ -24157,24 +26435,30 @@
           cancelCallback = null;
           liveCallback = null;
           container.html('');
+
           for (var i = 0; i < List.length; i++) {
             if (List[i] === $this) {
               List.splice(i, 1);
             }
           }
         }
+
         var images = settings.images,
             localization = settings.localization; // local copies for YUI compressor
 
         var color = {
-          active: _typeof(settings.color.active).toString().toLowerCase() === 'string' ? new Color({ ahex: !settings.window.alphaSupport && settings.color.active ? settings.color.active.substring(0, 6) + 'ff' : settings.color.active
-          }) : new Color({ ahex: !settings.window.alphaSupport && settings.color.active.val('ahex') ? settings.color.active.val('ahex').substring(0, 6) + 'ff' : settings.color.active.val('ahex')
+          active: _typeof(settings.color.active).toString().toLowerCase() === 'string' ? new Color({
+            ahex: !settings.window.alphaSupport && settings.color.active ? settings.color.active.substring(0, 6) + 'ff' : settings.color.active
+          }) : new Color({
+            ahex: !settings.window.alphaSupport && settings.color.active.val('ahex') ? settings.color.active.val('ahex').substring(0, 6) + 'ff' : settings.color.active.val('ahex')
           }),
-          current: _typeof(settings.color.active).toString().toLowerCase() === 'string' ? new Color({ ahex: !settings.window.alphaSupport && settings.color.active ? settings.color.active.substring(0, 6) + 'ff' : settings.color.active }) : new Color({ ahex: !settings.window.alphaSupport && settings.color.active.val('ahex') ? settings.color.active.val('ahex').substring(0, 6) + 'ff' : settings.color.active.val('ahex')
+          current: _typeof(settings.color.active).toString().toLowerCase() === 'string' ? new Color({
+            ahex: !settings.window.alphaSupport && settings.color.active ? settings.color.active.substring(0, 6) + 'ff' : settings.color.active
+          }) : new Color({
+            ahex: !settings.window.alphaSupport && settings.color.active.val('ahex') ? settings.color.active.val('ahex').substring(0, 6) + 'ff' : settings.color.active.val('ahex')
           }),
           quickList: settings.color.quickList
         };
-
         var elementStartX = null,
             // Used to record the starting css positions for dragging the control
         elementStartY = null,
@@ -24216,16 +26500,19 @@
         commitCallback = typeof $arguments[1] === 'function' ? $arguments[1] : null,
             liveCallback = typeof $arguments[2] === 'function' ? $arguments[2] : null,
             cancelCallback = typeof $arguments[3] === 'function' ? $arguments[3] : null;
-
         $.extend(true, $this, {
           // public properties, methods, and callbacks
-          commitCallback: commitCallback, // commitCallback function can be overridden to return the selected color to a method you specify when the user clicks "OK"
-          liveCallback: liveCallback, // liveCallback function can be overridden to return the selected color to a method you specify in live mode (continuous update)
-          cancelCallback: cancelCallback, // cancelCallback function can be overridden to a method you specify when the user clicks "Cancel"
+          commitCallback: commitCallback,
+          // commitCallback function can be overridden to return the selected color to a method you specify when the user clicks "OK"
+          liveCallback: liveCallback,
+          // liveCallback function can be overridden to return the selected color to a method you specify in live mode (continuous update)
+          cancelCallback: cancelCallback,
+          // cancelCallback function can be overridden to a method you specify when the user clicks "Cancel"
           color: color,
           show: show,
           hide: hide,
           destroy: destroy // destroys this control entirely, removing all events and objects, and removing itself from the List
+
         });
         List.push($this);
         setTimeout(function () {
@@ -24239,17 +26526,20 @@
     * @property {Float} width
     * @property {Float} height
     */
+
     /**
     * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsImagesDimensionsArrow
     * @property {Float} width
     * @property {Float} height
     * @property {external:jQuery.fn.jPickerOptionsIconInfo} arrow
     */
+
     /**
     * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsRadioTextboxLocale
     * @property {string} radio
     * @property {string} textbox
     */
+
     /**
     * @typedef {PlainObject} external:jQuery.fn.jPickerOptions
     * @property {PlainObject} window
@@ -24306,6 +26596,7 @@
     * @property {string} localization.tooltips.hex.textbox
     * @property {string} localization.tooltips.hex.alpha
     */
+
     /**
     * jPicker defaults - you can change anything in this section (such as the
     * clientPath to your images) without fear of breaking the program
@@ -24314,6 +26605,8 @@
     * @borrows external:jQuery.fn.jPickerOptions as external:jQuery.fn.jPicker.defaults
     * @see Source for all of the values
     */
+
+
     $.fn.jPicker.defaults = {
       window: {
         title: null,
@@ -24336,8 +26629,294 @@
       },
       color: {
         mode: 'h',
-        active: new Color({ ahex: '#ffcc00ff' }),
-        quickList: [new Color({ h: 360, s: 33, v: 100 }), new Color({ h: 360, s: 66, v: 100 }), new Color({ h: 360, s: 100, v: 100 }), new Color({ h: 360, s: 100, v: 75 }), new Color({ h: 360, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 100 }), new Color({ h: 30, s: 33, v: 100 }), new Color({ h: 30, s: 66, v: 100 }), new Color({ h: 30, s: 100, v: 100 }), new Color({ h: 30, s: 100, v: 75 }), new Color({ h: 30, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 90 }), new Color({ h: 60, s: 33, v: 100 }), new Color({ h: 60, s: 66, v: 100 }), new Color({ h: 60, s: 100, v: 100 }), new Color({ h: 60, s: 100, v: 75 }), new Color({ h: 60, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 80 }), new Color({ h: 90, s: 33, v: 100 }), new Color({ h: 90, s: 66, v: 100 }), new Color({ h: 90, s: 100, v: 100 }), new Color({ h: 90, s: 100, v: 75 }), new Color({ h: 90, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 70 }), new Color({ h: 120, s: 33, v: 100 }), new Color({ h: 120, s: 66, v: 100 }), new Color({ h: 120, s: 100, v: 100 }), new Color({ h: 120, s: 100, v: 75 }), new Color({ h: 120, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 60 }), new Color({ h: 150, s: 33, v: 100 }), new Color({ h: 150, s: 66, v: 100 }), new Color({ h: 150, s: 100, v: 100 }), new Color({ h: 150, s: 100, v: 75 }), new Color({ h: 150, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 50 }), new Color({ h: 180, s: 33, v: 100 }), new Color({ h: 180, s: 66, v: 100 }), new Color({ h: 180, s: 100, v: 100 }), new Color({ h: 180, s: 100, v: 75 }), new Color({ h: 180, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 40 }), new Color({ h: 210, s: 33, v: 100 }), new Color({ h: 210, s: 66, v: 100 }), new Color({ h: 210, s: 100, v: 100 }), new Color({ h: 210, s: 100, v: 75 }), new Color({ h: 210, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 30 }), new Color({ h: 240, s: 33, v: 100 }), new Color({ h: 240, s: 66, v: 100 }), new Color({ h: 240, s: 100, v: 100 }), new Color({ h: 240, s: 100, v: 75 }), new Color({ h: 240, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 20 }), new Color({ h: 270, s: 33, v: 100 }), new Color({ h: 270, s: 66, v: 100 }), new Color({ h: 270, s: 100, v: 100 }), new Color({ h: 270, s: 100, v: 75 }), new Color({ h: 270, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 10 }), new Color({ h: 300, s: 33, v: 100 }), new Color({ h: 300, s: 66, v: 100 }), new Color({ h: 300, s: 100, v: 100 }), new Color({ h: 300, s: 100, v: 75 }), new Color({ h: 300, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 0 }), new Color({ h: 330, s: 33, v: 100 }), new Color({ h: 330, s: 66, v: 100 }), new Color({ h: 330, s: 100, v: 100 }), new Color({ h: 330, s: 100, v: 75 }), new Color({ h: 330, s: 100, v: 50 }), new Color()]
+        active: new Color({
+          ahex: '#ffcc00ff'
+        }),
+        quickList: [new Color({
+          h: 360,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 360,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 360,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 360,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 360,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 100
+        }), new Color({
+          h: 30,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 30,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 30,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 30,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 30,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 90
+        }), new Color({
+          h: 60,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 60,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 60,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 60,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 60,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 80
+        }), new Color({
+          h: 90,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 90,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 90,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 90,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 90,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 70
+        }), new Color({
+          h: 120,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 120,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 120,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 120,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 120,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 60
+        }), new Color({
+          h: 150,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 150,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 150,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 150,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 150,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 180,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 180,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 180,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 180,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 40
+        }), new Color({
+          h: 210,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 210,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 210,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 210,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 210,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 30
+        }), new Color({
+          h: 240,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 240,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 240,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 240,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 240,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 20
+        }), new Color({
+          h: 270,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 270,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 270,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 270,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 270,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 10
+        }), new Color({
+          h: 300,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 300,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 300,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 300,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 300,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 0
+        }), new Color({
+          h: 330,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 330,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 330,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 330,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 330,
+          s: 100,
+          v: 50
+        }), new Color()]
       },
       images: {
         clientPath: '/jPicker/images/',
@@ -24420,23 +26999,20 @@
     return $;
   };
 
-  /* globals jQuery */
-
   var $$a = jQuery;
-
-  var langParam = void 0;
-
+  var langParam;
   /**
   * @param {"content"|"title"} type
   * @param {module:locale.LocaleSelectorValue} obj
   * @param {boolean} ids
   * @returns {undefined}
   */
+
   var setStrings = function setStrings(type, obj, ids) {
     // Root element to look for element from
     var parent = $$a('#svg_editor').parent();
     Object.entries(obj).forEach(function (_ref) {
-      var _ref2 = slicedToArray(_ref, 2),
+      var _ref2 = _slicedToArray(_ref, 2),
           sel = _ref2[0],
           val = _ref2[1];
 
@@ -24447,7 +27023,9 @@
       if (ids) {
         sel = '#' + sel;
       }
+
       var $elem = parent.find(sel);
+
       if ($elem.length) {
         var elem = parent.find(sel)[0];
 
@@ -24459,6 +27037,7 @@
                 break;
               }
             }
+
             break;
 
           case 'title':
@@ -24470,7 +27049,6 @@
       }
     });
   };
-
   /**
   * The "data" property is generally set to an an array of objects with
   * "id" and "title" or "textContent" properties
@@ -24481,23 +27059,24 @@
   /**
   * @interface module:locale.LocaleEditorInit
   */
+
   /**
    * @function module:locale.LocaleEditorInit#addLangData
    * @param {string} langParam
    * @returns {module:locale.AddLangExtensionLocaleData}
   */
 
-  var editor_ = void 0;
+  var editor_;
   /**
   * @function init
   * @memberof module:locale
   * @param {module:locale.LocaleEditorInit} editor
   * @returns {undefined}
   */
+
   var init$7 = function init(editor) {
     editor_ = editor;
   };
-
   /**
   * @typedef {PlainObject} module:locale.LangAndData
   * @property {string} langParam
@@ -24510,8 +27089,13 @@
   * @fires module:svgcanvas.SvgCanvas#event:ext-addLangData
   * @returns {Promise} Resolves to [`LangAndData`]{@link module:locale.LangAndData}
   */
-  var readLang = function () {
-    var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(langData) {
+
+  var readLang =
+  /*#__PURE__*/
+  function () {
+    var _ref3 = _asyncToGenerator(
+    /*#__PURE__*/
+    regeneratorRuntime.mark(function _callee(langData) {
       var more, _langData, tools, properties, config, layers, common, ui, opts;
 
       return regeneratorRuntime.wrap(function _callee$(_context) {
@@ -24523,26 +27107,21 @@
 
             case 2:
               more = _context.sent;
-
               $$a.each(more, function (i, m) {
                 if (m.data) {
                   langData = $$a.merge(langData, m.data);
                 }
-              });
-
-              // Old locale file, do nothing for now.
+              }); // Old locale file, do nothing for now.
 
               if (langData.tools) {
                 _context.next = 6;
                 break;
               }
 
-              return _context.abrupt('return');
+              return _context.abrupt("return");
 
             case 6:
               _langData = langData, tools = _langData.tools, properties = _langData.properties, config = _langData.config, layers = _langData.layers, common = _langData.common, ui = _langData.ui;
-
-
               setStrings('content', {
                 // copyrightLabel: misc.powered_by, // Currently commented out in svg-editor.html
                 curve_segments: properties.curve_segments,
@@ -24551,7 +27130,6 @@
                 fit_to_canvas: tools.fit_to_canvas,
                 fit_to_layer_content: tools.fit_to_layer_content,
                 fit_to_sel: tools.fit_to_sel,
-
                 icon_large: config.icon_large,
                 icon_medium: config.icon_medium,
                 icon_small: config.icon_small,
@@ -24559,19 +27137,15 @@
                 image_opt_embed: config.image_opt_embed,
                 image_opt_ref: config.image_opt_ref,
                 includedImages: config.included_images,
-
                 largest_object: tools.largest_object,
-
                 layersLabel: layers.layers,
                 page: tools.page,
                 relativeToLabel: tools.relativeTo,
                 selLayerLabel: layers.move_elems_to,
                 selectedPredefined: config.select_predefined,
-
                 selected_objects: tools.selected_objects,
                 smallest_object: tools.smallest_object,
                 straight_segments: properties.straight_segments,
-
                 svginfo_bg_url: config.editor_img_url + ':',
                 svginfo_bg_note: config.editor_bg_note,
                 svginfo_change_background: config.background,
@@ -24583,50 +27157,37 @@
                 svginfo_lang: config.language,
                 svginfo_title: config.doc_title,
                 svginfo_width: common.width,
-
                 tool_docprops_cancel: common.cancel,
                 tool_docprops_save: common.ok,
-
                 tool_source_cancel: common.cancel,
                 tool_source_save: common.ok,
-
                 tool_prefs_cancel: common.cancel,
                 tool_prefs_save: common.ok,
-
                 sidepanel_handle: layers.layers.split('').join(' '),
-
                 tool_clear: tools.new_doc,
                 tool_docprops: tools.docprops,
                 tool_export: tools.export_img,
                 tool_import: tools.import_doc,
                 tool_open: tools.open_doc,
                 tool_save: tools.save_doc,
-
                 svginfo_units_rulers: config.units_and_rulers,
                 svginfo_rulers_onoff: config.show_rulers,
                 svginfo_unit: config.base_unit,
-
                 svginfo_grid_settings: config.grid,
                 svginfo_snap_onoff: config.snapping_onoff,
                 svginfo_snap_step: config.snapping_stepsize,
                 svginfo_grid_color: config.grid_color
-              }, true);
+              }, true); // Context menus
 
-              // Context menus
               opts = {};
-
               $$a.each(['cut', 'copy', 'paste', 'paste_in_place', 'delete', 'group', 'ungroup', 'move_front', 'move_up', 'move_down', 'move_back'], function () {
                 opts['#cmenu_canvas a[href="#' + this + '"]'] = tools[this];
               });
-
               $$a.each(['dupe', 'merge_down', 'merge_all'], function () {
                 opts['#cmenu_layers a[href="#' + this + '"]'] = layers[this];
               });
-
               opts['#cmenu_layers a[href="#delete"]'] = layers.del;
-
               setStrings('content', opts);
-
               setStrings('title', {
                 align_relative_to: tools.align_relative_to,
                 circle_cx: properties.circle_cx,
@@ -24724,13 +27285,14 @@
                 tool_wireframe: tools.wireframe_mode,
                 tool_zoom: tools.mode_zoom,
                 url_notice: tools.no_embed
-
               }, true);
-
-              return _context.abrupt('return', { langParam: langParam, langData: langData });
+              return _context.abrupt("return", {
+                langParam: langParam,
+                langData: langData
+              });
 
             case 15:
-            case 'end':
+            case "end":
               return _context.stop();
           }
         }
@@ -24741,7 +27303,6 @@
       return _ref3.apply(this, arguments);
     };
   }();
-
   /**
   * @function module:locale.putLocale
   * @param {string} givenParam
@@ -24752,8 +27313,13 @@
   * @fires module:svgcanvas.SvgCanvas#event:ext-langChanged
   * @returns {Promise} Resolves to result of {@link module:locale.readLang}
   */
-  var putLocale = function () {
-    var _ref4 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(givenParam, goodLangs, conf) {
+
+  var putLocale =
+  /*#__PURE__*/
+  function () {
+    var _ref4 = _asyncToGenerator(
+    /*#__PURE__*/
+    regeneratorRuntime.mark(function _callee2(givenParam, goodLangs, conf) {
       var url;
       return regeneratorRuntime.wrap(function _callee2$(_context2) {
         while (1) {
@@ -24763,6 +27329,7 @@
                 langParam = givenParam;
               } else {
                 langParam = $$a.pref('lang');
+
                 if (!langParam) {
                   if (navigator.userLanguage) {
                     // Explorer
@@ -24773,18 +27340,16 @@
                   }
                 }
 
-                console.log('Lang: ' + langParam);
+                console.log('Lang: ' + langParam); // Set to English if language is not in list of good langs
 
-                // Set to English if language is not in list of good langs
                 if (!goodLangs.includes(langParam) && langParam !== 'test') {
                   langParam = 'en';
-                }
-
-                // don't bother on first run if language is English
+                } // don't bother on first run if language is English
                 // The following line prevents setLang from running
                 //    extensions which depend on updated uiStrings,
                 //    so commenting it out.
                 // if (langParam.startsWith('en')) {return;}
+
               }
 
               url = conf.langPath + 'lang.' + langParam + '.js';
@@ -24796,10 +27361,10 @@
 
             case 5:
               _context2.t1 = _context2.sent;
-              return _context2.abrupt('return', (0, _context2.t0)(_context2.t1));
+              return _context2.abrupt("return", (0, _context2.t0)(_context2.t1));
 
             case 7:
-            case 'end':
+            case "end":
               return _context2.stop();
           }
         }
@@ -24812,109 +27377,119 @@
   }();
 
   function loadStylesheets(stylesheets) {
-      var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
-          beforeDefault = _ref.before,
-          afterDefault = _ref.after,
-          faviconDefault = _ref.favicon,
-          canvasDefault = _ref.canvas,
-          _ref$image = _ref.image,
-          imageDefault = _ref$image === undefined ? true : _ref$image,
-          acceptErrors = _ref.acceptErrors;
+    var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+        beforeDefault = _ref.before,
+        afterDefault = _ref.after,
+        faviconDefault = _ref.favicon,
+        canvasDefault = _ref.canvas,
+        _ref$image = _ref.image,
+        imageDefault = _ref$image === void 0 ? true : _ref$image,
+        acceptErrors = _ref.acceptErrors;
 
-      stylesheets = Array.isArray(stylesheets) ? stylesheets : [stylesheets];
+    stylesheets = Array.isArray(stylesheets) ? stylesheets : [stylesheets];
 
-      function setupLink(stylesheetURL) {
-          var options = {};
-          if (Array.isArray(stylesheetURL)) {
-              var _stylesheetURL = stylesheetURL;
+    function setupLink(stylesheetURL) {
+      var options = {};
 
-              var _stylesheetURL2 = slicedToArray(_stylesheetURL, 2);
+      if (Array.isArray(stylesheetURL)) {
+        var _stylesheetURL = stylesheetURL;
 
-              stylesheetURL = _stylesheetURL2[0];
-              var _stylesheetURL2$ = _stylesheetURL2[1];
-              options = _stylesheetURL2$ === undefined ? {} : _stylesheetURL2$;
-          }
-          var _options = options,
-              _options$favicon = _options.favicon,
-              favicon = _options$favicon === undefined ? faviconDefault : _options$favicon;
-          var _options2 = options,
-              _options2$before = _options2.before,
-              before = _options2$before === undefined ? beforeDefault : _options2$before,
-              _options2$after = _options2.after,
-              after = _options2$after === undefined ? afterDefault : _options2$after,
-              _options2$canvas = _options2.canvas,
-              canvas = _options2$canvas === undefined ? canvasDefault : _options2$canvas,
-              _options2$image = _options2.image,
-              image = _options2$image === undefined ? imageDefault : _options2$image;
+        var _stylesheetURL2 = _slicedToArray(_stylesheetURL, 2);
 
-          function addLink() {
-              if (before) {
-                  before.before(link);
-              } else if (after) {
-                  after.after(link);
-              } else {
-                  document.head.appendChild(link);
-              }
-          }
-
-          var link = document.createElement('link');
-          return new Promise(function (resolve, reject) {
-              var rej = reject;
-              if (acceptErrors) {
-                  rej = typeof acceptErrors === 'function' ? function (error) {
-                      acceptErrors({ error: error, stylesheetURL: stylesheetURL, options: options, resolve: resolve, reject: reject });
-                  } : resolve;
-              }
-              if (stylesheetURL.endsWith('.css')) {
-                  favicon = false;
-              } else if (stylesheetURL.endsWith('.ico')) {
-                  favicon = true;
-              }
-              if (favicon) {
-                  link.rel = 'shortcut icon';
-                  link.type = 'image/x-icon';
-
-                  if (image === false) {
-                      link.href = stylesheetURL;
-                      addLink();
-                      resolve(link);
-                      return;
-                  }
-
-                  var cnv = document.createElement('canvas');
-                  cnv.width = 16;
-                  cnv.height = 16;
-                  var context = cnv.getContext('2d');
-                  var img = document.createElement('img');
-                  img.addEventListener('error', function (error) {
-                      reject(error);
-                  });
-                  img.addEventListener('load', function () {
-                      context.drawImage(img, 0, 0);
-                      link.href = canvas ? cnv.toDataURL('image/x-icon') : stylesheetURL;
-                      addLink();
-                      resolve(link);
-                  });
-                  img.src = stylesheetURL;
-                  return;
-              }
-              link.rel = 'stylesheet';
-              link.type = 'text/css';
-              link.href = stylesheetURL;
-              addLink();
-              link.addEventListener('error', function (error) {
-                  rej(error);
-              });
-              link.addEventListener('load', function () {
-                  resolve(link);
-              });
-          });
+        stylesheetURL = _stylesheetURL2[0];
+        var _stylesheetURL2$ = _stylesheetURL2[1];
+        options = _stylesheetURL2$ === void 0 ? {} : _stylesheetURL2$;
       }
 
-      return Promise.all(stylesheets.map(setupLink));
-  }
+      var _options = options,
+          _options$favicon = _options.favicon,
+          favicon = _options$favicon === void 0 ? faviconDefault : _options$favicon;
+      var _options2 = options,
+          _options2$before = _options2.before,
+          before = _options2$before === void 0 ? beforeDefault : _options2$before,
+          _options2$after = _options2.after,
+          after = _options2$after === void 0 ? afterDefault : _options2$after,
+          _options2$canvas = _options2.canvas,
+          canvas = _options2$canvas === void 0 ? canvasDefault : _options2$canvas,
+          _options2$image = _options2.image,
+          image = _options2$image === void 0 ? imageDefault : _options2$image;
 
-  /* globals jQuery */
+      function addLink() {
+        if (before) {
+          before.before(link);
+        } else if (after) {
+          after.after(link);
+        } else {
+          document.head.appendChild(link);
+        }
+      }
+
+      var link = document.createElement('link');
+      return new Promise(function (resolve, reject) {
+        var rej = reject;
+
+        if (acceptErrors) {
+          rej = typeof acceptErrors === 'function' ? function (error) {
+            acceptErrors({
+              error: error,
+              stylesheetURL: stylesheetURL,
+              options: options,
+              resolve: resolve,
+              reject: reject
+            });
+          } : resolve;
+        }
+
+        if (stylesheetURL.endsWith('.css')) {
+          favicon = false;
+        } else if (stylesheetURL.endsWith('.ico')) {
+          favicon = true;
+        }
+
+        if (favicon) {
+          link.rel = 'shortcut icon';
+          link.type = 'image/x-icon';
+
+          if (image === false) {
+            link.href = stylesheetURL;
+            addLink();
+            resolve(link);
+            return;
+          }
+
+          var cnv = document.createElement('canvas');
+          cnv.width = 16;
+          cnv.height = 16;
+          var context = cnv.getContext('2d');
+          var img = document.createElement('img');
+          img.addEventListener('error', function (error) {
+            reject(error);
+          });
+          img.addEventListener('load', function () {
+            context.drawImage(img, 0, 0);
+            link.href = canvas ? cnv.toDataURL('image/x-icon') : stylesheetURL;
+            addLink();
+            resolve(link);
+          });
+          img.src = stylesheetURL;
+          return;
+        }
+
+        link.rel = 'stylesheet';
+        link.type = 'text/css';
+        link.href = stylesheetURL;
+        addLink();
+        link.addEventListener('error', function (error) {
+          rej(error);
+        });
+        link.addEventListener('load', function () {
+          resolve(link);
+        });
+      });
+    }
+
+    return Promise.all(stylesheets.map(setupLink));
+  }
 
   /**
   * The main module for the visual SVG Editor
@@ -24931,51 +27506,62 @@
   * @borrows module:locale.readLang as readLang
   * @borrows module:locale.setStrings as setStrings
   */
-  var editor = {};
 
+  var editor = {};
   var $$b = [jqPluginJSHotkeys, jqPluginBBQ, jqPluginSVGIcons, jqPluginJGraduate, jqPluginSpinBtn, jqPluginSVG, jQueryContextMenu, jPicker].reduce(function ($, cb) {
     return cb($);
   }, jQuery);
-
   /*
   if (!$.loadingStylesheets) {
     $.loadingStylesheets = [];
   }
   */
+
   var stylesheet = 'svg-editor.css';
+
   if (!$$b.loadingStylesheets.includes(stylesheet)) {
     $$b.loadingStylesheets.push(stylesheet);
   }
+
   var favicon = 'images/logo.png';
+
   if ($$b.loadingStylesheets.some(function (item) {
     return !Array.isArray(item) || item[0] !== favicon;
   })) {
-    $$b.loadingStylesheets.push([favicon, { favicon: true }]);
-  }
-
-  // EDITOR PROPERTIES: (defined below)
+    $$b.loadingStylesheets.push([favicon, {
+      favicon: true
+    }]);
+  } // EDITOR PROPERTIES: (defined below)
   //    curPrefs, curConfig, canvas, storage, uiStrings
   //
   // STATE MAINTENANCE PROPERTIES
+
   /**
   * @type {Float}
   */
+
+
   editor.tool_scale = 1; // Dependent on icon size, so any use to making configurable instead? Used by `jQuery.SpinButton.js`
+
   /**
   * @type {Integer}
   */
+
   editor.exportWindowCt = 0;
   /**
   * @type {boolean}
   */
+
   editor.langChanged = false;
   /**
   * @type {boolean}
   */
+
   editor.showSaveWarning = false;
   /**
   * @type {boolean}
   */
+
   editor.storagePromptClosed = false; // For use with ext-storage.js
 
   var callbacks = [],
@@ -24983,6 +27569,7 @@
   /**
   * @typedef {"s"|"m"|"l"|"xl"|Float} module:SVGEditor.IconSize
   */
+
   /**
   * Preferences
   * @interface module:SVGEditor.Prefs
@@ -24995,18 +27582,23 @@
   * @property {boolean} [export_notice_done=false] Used to track alert status
   * @todo `save_notice_done` and `export_notice_done` should be changed to flags rather than preferences
   */
+
   /**
   * @namespace {module:SVGEditor.Prefs} defaultPrefs
   * @memberof module:SVGEditor~
   * @implements {module:SVGEditor.Prefs}
   */
   // The iteration algorithm for defaultPrefs does not currently support array/objects
-  defaultPrefs = /** @lends module:SVGEditor~defaultPrefs */{
+  defaultPrefs =
+  /** @lends module:SVGEditor~defaultPrefs */
+  {
     // EDITOR OPTIONS (DIALOG)
+
     /**
     * Default to "en" if locale.js detection does not detect another language
     */
     lang: '',
+
     /**
     * Will default to 's' if the window height is smaller than the minimum height and
     * 'm' otherwise
@@ -25031,12 +27623,14 @@
   /**
   * @typedef {"@default"|string} module:SVGEditor.Stylesheet `@default` will automatically load all of the default CSS paths for SVGEditor
   */
+
   /**
   * @typedef {GenericArray} module:SVGEditor.XYDimensions
   * @property {Integer} length 2
   * @property {Float} 0
   * @property {Float} 1
   */
+
   /**
   * @tutorial ConfigOptions
   * @interface module:SVGEditor.Config
@@ -25089,6 +27683,7 @@
   * @property {boolean} [selectNew=true] If true, will replace the selection with the current element and automatically select element objects (when not in "path" mode) after they are created, showing their grips (v2.6). Set and used in `svgcanvas.js` (`mouseUp`).
   * @todo Some others could be preferences as well (e.g., preventing URL changing of extensions, defaultExtensions, stylesheets, colorPickerCSS); Change the following to preferences and add pref controls where missing to the UI (e.g., `canvas_expansion`, `initFill`, `initStroke`, `text`, `initOpacity`, `dimensions`, `initTool`, `wireframe`, `showlayers`, `gridSnapping`, `gridColor`, `baseUnit`, `snappingStep`, `showRulers`, `exportWindowType`, `showGrid`, `show_outside_canvas`, `selectNew`)?
   */
+
   /**
   * @namespace {module:SVGEditor.Config} defaultConfig
   * @memberof module:SVGEditor~
@@ -25098,12 +27693,14 @@
     canvasName: 'default',
     canvas_expansion: 3,
     initFill: {
-      color: 'FF0000', // solid red
+      color: 'FF0000',
+      // solid red
       opacity: 1
     },
     initStroke: {
       width: 5,
-      color: '000000', // solid black
+      color: '000000',
+      // solid black
       opacity: 1
     },
     text: {
@@ -25112,19 +27709,25 @@
       font_family: 'serif'
     },
     initOpacity: 1,
-    colorPickerCSS: null, // Defaults to 'left' with a position equal to that of the fill_color or stroke_color element minus 140, and a 'bottom' equal to 40
+    colorPickerCSS: null,
+    // Defaults to 'left' with a position equal to that of the fill_color or stroke_color element minus 140, and a 'bottom' equal to 40
     initTool: 'select',
-    exportWindowType: 'new', // 'same' (todo: also support 'download')
+    exportWindowType: 'new',
+    // 'same' (todo: also support 'download')
     wireframe: false,
     showlayers: false,
     no_save_warning: false,
     // PATH CONFIGURATION
     // The following path configuration items are disallowed in the URL (as should any future path configurations)
     imgPath: 'images/',
-    langPath: 'locale/', // Default will be changed if this is a modular load
-    extPath: 'extensions/', // Default will be changed if this is a modular load
-    canvgPath: 'canvg/', // Default will be changed if this is a modular load
-    jspdfPath: 'jspdf/', // Default will be changed if this is a modular load
+    langPath: 'locale/',
+    // Default will be changed if this is a modular load
+    extPath: 'extensions/',
+    // Default will be changed if this is a modular load
+    canvgPath: 'canvg/',
+    // Default will be changed if this is a modular load
+    jspdfPath: 'jspdf/',
+    // Default will be changed if this is a modular load
     extIconsPath: 'extensions/',
     jGraduatePath: 'jgraduate/images/',
     // DOCUMENT PROPERTIES
@@ -25141,14 +27744,20 @@
     preventAllURLConfig: false,
     preventURLContentLoading: false,
     // EXTENSION CONFIGURATION (see also preventAllURLConfig)
-    lockExtensions: false, // Disallowed in URL setting
-    noDefaultExtensions: false, // noDefaultExtensions can only be meaningfully used in `svgedit-config-iife.js` or in the URL
+    lockExtensions: false,
+    // Disallowed in URL setting
+    noDefaultExtensions: false,
+    // noDefaultExtensions can only be meaningfully used in `svgedit-config-iife.js` or in the URL
     // EXTENSION-RELATED (GRID)
-    showGrid: false, // Set by ext-grid.js
+    showGrid: false,
+    // Set by ext-grid.js
     // EXTENSION-RELATED (STORAGE)
-    noStorageOnLoad: false, // Some interaction with ext-storage.js; prevent even the loading of previously saved local storage
-    forceStorage: false, // Some interaction with ext-storage.js; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not
+    noStorageOnLoad: false,
+    // Some interaction with ext-storage.js; prevent even the loading of previously saved local storage
+    forceStorage: false,
+    // Some interaction with ext-storage.js; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not
     emptyStorageOnDecline: false // Used by ext-storage.js; empty any prior storage if the user declines to store
+
   },
 
   /**
@@ -25157,15 +27766,13 @@
   * @type {PlainObject}
   */
   uiStrings$1 = editor.uiStrings = {};
-
-  var svgCanvas = void 0,
-      urldata = void 0,
+  var svgCanvas,
+      urldata,
       isReady = false,
       customExportImage = false,
       customExportPDF = false,
       curPrefs = {},
-
-  // Note: The difference between Prefs and Config is that Prefs
+      // Note: The difference between Prefs and Config is that Prefs
   //   can be changed in the UI and are stored in the browser,
   //   while config cannot
   curConfig = {
@@ -25173,6 +27780,7 @@
     //   procedures (we obtain instead from defaultExtensions)
     extensions: [],
     stylesheets: [],
+
     /**
     * Can use `location.origin` to indicate the current
     * origin. Can contain a '*' to allow all domains or 'null' (as
@@ -25193,6 +27801,7 @@
   function loadSvgString(str, callback) {
     var success = svgCanvas.setSvgString(str) !== false;
     callback = callback || $$b.noop;
+
     if (success) {
       callback(true); // eslint-disable-line standard/no-callback-literal
     } else {
@@ -25201,13 +27810,14 @@
       });
     }
   }
-
   /**
    * @function module:SVGEditor~getImportLocale
    * @param {string} defaultLang
    * @param {string} defaultName
    * @returns {module:SVGEditor~ImportLocale}
    */
+
+
   function getImportLocale(_ref) {
     var defaultLang = _ref.defaultLang,
         defaultName = _ref.defaultName;
@@ -25218,67 +27828,76 @@
      * @param {string} [lang=defaultLang] Defaults to `defaultLang` of {@link module:SVGEditor~getImportLocale}
      * @returns {Promise} Resolves to {@link module:locale.LocaleStrings}
      */
-    return function () {
-      var _ref2 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2() {
-        var importLocale = function () {
-          var _ref4 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(lang) {
-            var url;
-            return regeneratorRuntime.wrap(function _callee$(_context) {
-              while (1) {
-                switch (_context.prev = _context.next) {
-                  case 0:
-                    url = curConfig.extPath + 'ext-locale/' + name + '/' + lang + '.js';
-                    return _context.abrupt('return', importSetGlobalDefault(url, {
-                      global: 'svgEditorExtensionLocale_' + name + '_' + lang
+    return (
+      /*#__PURE__*/
+      function () {
+        var _importLocale = _asyncToGenerator(
+        /*#__PURE__*/
+        regeneratorRuntime.mark(function _callee2() {
+          var _ref2,
+              _ref2$name,
+              name,
+              _ref2$lang,
+              lang,
+              importLocale,
+              _importLocale2,
+              _args2 = arguments;
+
+          return regeneratorRuntime.wrap(function _callee2$(_context2) {
+            while (1) {
+              switch (_context2.prev = _context2.next) {
+                case 0:
+                  _importLocale2 = function _ref4() {
+                    _importLocale2 = _asyncToGenerator(
+                    /*#__PURE__*/
+                    regeneratorRuntime.mark(function _callee(lang) {
+                      var url;
+                      return regeneratorRuntime.wrap(function _callee$(_context) {
+                        while (1) {
+                          switch (_context.prev = _context.next) {
+                            case 0:
+                              url = "".concat(curConfig.extPath, "ext-locale/").concat(name, "/").concat(lang, ".js");
+                              return _context.abrupt("return", importSetGlobalDefault(url, {
+                                global: "svgEditorExtensionLocale_".concat(name, "_").concat(lang)
+                              }));
+
+                            case 2:
+                            case "end":
+                              return _context.stop();
+                          }
+                        }
+                      }, _callee, this);
                     }));
+                    return _importLocale2.apply(this, arguments);
+                  };
 
-                  case 2:
-                  case 'end':
-                    return _context.stop();
-                }
+                  importLocale = function _ref3(_x) {
+                    return _importLocale2.apply(this, arguments);
+                  };
+
+                  _ref2 = _args2.length > 0 && _args2[0] !== undefined ? _args2[0] : {}, _ref2$name = _ref2.name, name = _ref2$name === void 0 ? defaultName : _ref2$name, _ref2$lang = _ref2.lang, lang = _ref2$lang === void 0 ? defaultLang : _ref2$lang;
+                  _context2.prev = 3;
+                  return _context2.abrupt("return", importLocale(lang));
+
+                case 7:
+                  _context2.prev = 7;
+                  _context2.t0 = _context2["catch"](3);
+                  return _context2.abrupt("return", importLocale('en'));
+
+                case 10:
+                case "end":
+                  return _context2.stop();
               }
-            }, _callee, this);
-          }));
-
-          return function importLocale(_x2) {
-            return _ref4.apply(this, arguments);
-          };
-        }();
-
-        var _ref3 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
-            _ref3$name = _ref3.name,
-            name = _ref3$name === undefined ? defaultName : _ref3$name,
-            _ref3$lang = _ref3.lang,
-            lang = _ref3$lang === undefined ? defaultLang : _ref3$lang;
-
-        return regeneratorRuntime.wrap(function _callee2$(_context2) {
-          while (1) {
-            switch (_context2.prev = _context2.next) {
-              case 0:
-                _context2.prev = 0;
-                return _context2.abrupt('return', importLocale(lang));
-
-              case 4:
-                _context2.prev = 4;
-                _context2.t0 = _context2['catch'](0);
-                return _context2.abrupt('return', importLocale('en'));
-
-              case 7:
-              case 'end':
-                return _context2.stop();
             }
-          }
-        }, _callee2, this, [[0, 4]]);
-      }));
+          }, _callee2, this, [[3, 7]]);
+        }));
 
-      function importLocale() {
-        return _ref2.apply(this, arguments);
-      }
-
-      return importLocale;
-    }();
+        return function importLocale() {
+          return _importLocale.apply(this, arguments);
+        };
+      }()
+    );
   }
-
   /**
   * EXPORTS
   */
@@ -25295,6 +27914,8 @@
   *  the pref dialog has a button to auto-calculate background, but otherwise uses `$.pref()` to be able to get default prefs
   *  or overridable settings
   */
+
+
   $$b.pref = function (key, val) {
     if (val) {
       curPrefs[key] = val;
@@ -25303,21 +27924,24 @@
       * @memberof module:SVGEditor
       * @implements {module:SVGEditor.Prefs}
       */
+
       editor.curPrefs = curPrefs; // Update exported value
+
       return;
     }
+
     return key in curPrefs ? curPrefs[key] : defaultPrefs[key];
   };
-
   /*
   * EDITOR PUBLIC METHODS
   // Todo: Sort these methods per invocation order, ideally with init at the end
   // Todo: Prevent execution until init executes if dependent on it?
   */
+
+
   editor.putLocale = putLocale;
   editor.readLang = readLang;
   editor.setStrings = setStrings;
-
   /**
   * Where permitted, sets canvas and/or `defaultPrefs` based on previous
   *  storage. This will override URL settings (for security reasons) but
@@ -25331,28 +27955,32 @@
   *  that, it will then be subject to tampering
   * @returns {undefined}
   */
+
   editor.loadContentAndPrefs = function () {
     if (!curConfig.forceStorage && (curConfig.noStorageOnLoad || !document.cookie.match(/(?:^|;\s*)store=(?:prefsAndContent|prefsOnly)/))) {
       return;
-    }
+    } // LOAD CONTENT
+
 
-    // LOAD CONTENT
     if (editor.storage && ( // Cookies do not have enough available memory to hold large documents
     curConfig.forceStorage || !curConfig.noStorageOnLoad && document.cookie.match(/(?:^|;\s*)store=prefsAndContent/))) {
-      var _name = 'svgedit-' + curConfig.canvasName;
-      var cached = editor.storage.getItem(_name);
+      var name = 'svgedit-' + curConfig.canvasName;
+      var cached = editor.storage.getItem(name);
+
       if (cached) {
         editor.loadFromString(cached);
       }
-    }
+    } // LOAD PREFS
+
 
-    // LOAD PREFS
     for (var key in defaultPrefs) {
       if (defaultPrefs.hasOwnProperty(key)) {
         // It's our own config, so we don't need to iterate up the prototype chain
         var storeKey = 'svg-edit-' + key;
+
         if (editor.storage) {
           var val = editor.storage.getItem(storeKey);
+
           if (val) {
             defaultPrefs[key] = String(val); // Convert to string for FF (.value fails in Webkit)
           }
@@ -25365,7 +27993,6 @@
       }
     }
   };
-
   /**
   * Allows setting of preferences or configuration (including extensions).
   * @param {module:SVGEditor.Config|module:SVGEditor.Prefs} opts The preferences or configuration (including extensions). See the tutorial on {@tutorial ConfigOptions} for info on config and preferences.
@@ -25386,8 +28013,11 @@
   *   not be needed in `svgedit-config-iife.js`.
   * @returns {undefined}
   */
+
+
   editor.setConfig = function (opts, cfgCfg) {
     cfgCfg = cfgCfg || {};
+
     function extendOrAdd(cfgObj, key, val) {
       if (cfgObj[key] && _typeof(cfgObj[key]) === 'object') {
         $$b.extend(true, cfgObj[key], val);
@@ -25395,6 +28025,7 @@
         cfgObj[key] = val;
       }
     }
+
     $$b.each(opts, function (key, val) {
       if (opts.hasOwnProperty(key)) {
         // Only allow prefs defined in defaultPrefs
@@ -25402,6 +28033,7 @@
           if (cfgCfg.overwrite === false && (curConfig.preventAllURLConfig || curPrefs.hasOwnProperty(key))) {
             return;
           }
+
           if (cfgCfg.allowInitialUserOverride === true) {
             defaultPrefs[key] = val;
           } else {
@@ -25411,17 +28043,20 @@
           if (cfgCfg.overwrite === false && (curConfig.preventAllURLConfig || ['allowedOrigins', 'stylesheets'].includes(key) || key === 'extensions' && curConfig.lockExtensions)) {
             return;
           }
+
           curConfig[key] = curConfig[key].concat(val); // We will handle any dupes later
           // Only allow other curConfig if defined in defaultConfig
         } else if (defaultConfig.hasOwnProperty(key)) {
           if (cfgCfg.overwrite === false && (curConfig.preventAllURLConfig || curConfig.hasOwnProperty(key))) {
             return;
-          }
-          // Potentially overwriting of previously set config
+          } // Potentially overwriting of previously set config
+
+
           if (curConfig.hasOwnProperty(key)) {
             if (cfgCfg.overwrite === false) {
               return;
             }
+
             extendOrAdd(curConfig, key, val);
           } else {
             if (cfgCfg.allowInitialUserOverride === true) {
@@ -25443,14 +28078,15 @@
     * @memberof module:SVGEditor
     * @implements {module:SVGEditor.Config}
     */
+
     editor.curConfig = curConfig; // Update exported value
   };
-
   /**
   * All methods are optional
   * @interface module:SVGEditor.CustomHandler
   * @type {PlainObject}
   */
+
   /**
   * Its responsibilities are:
   *  - invoke a file chooser dialog in 'open' mode
@@ -25460,6 +28096,7 @@
   * @function module:SVGEditor.CustomHandler#open
   * @returns {undefined}
   */
+
   /**
   * Its responsibilities are:
   *  - accept the string contents of the current document
@@ -25471,6 +28108,7 @@
   * @listens module:svgcanvas.SvgCanvas#event:saved
   * @returns {undefined}
   */
+
   /**
   * Its responsibilities (with regard to the object it is supplied in its 2nd argument) are:
   *  - inform user of any issues supplied via the "issues" property
@@ -25484,6 +28122,7 @@
   * @listens module:svgcanvas.SvgCanvas#event:exported
   * @returns {undefined}
   */
+
   /**
   * @function module:SVGEditor.CustomHandler#exportPDF
   * @param {external:Window} win
@@ -25498,6 +28137,8 @@
   * @param {module:SVGEditor.CustomHandler} opts Extension mechanisms may call `setCustomHandlers` with three functions: `opts.open`, `opts.save`, and `opts.exportImage`
   * @returns {undefined}
   */
+
+
   editor.setCustomHandlers = function (opts) {
     editor.ready(function () {
       if (opts.open) {
@@ -25505,35 +28146,41 @@
         $$b('#tool_open').show();
         svgCanvas.open = opts.open;
       }
+
       if (opts.save) {
         editor.showSaveWarning = false;
         svgCanvas.bind('saved', opts.save);
       }
+
       if (opts.exportImage) {
         customExportImage = opts.exportImage;
         svgCanvas.bind('exported', customExportImage); // canvg and our RGBColor will be available to the method
       }
+
       if (opts.exportPDF) {
         customExportPDF = opts.exportPDF;
         svgCanvas.bind('exportedPDF', customExportPDF); // jsPDF and our RGBColor will be available to the method
       }
     });
   };
-
   /**
   * @param {boolean} arg
   * @returns {undefined}
   */
+
+
   editor.randomizeIds = function (arg) {
     return svgCanvas.randomizeIds(arg);
   };
-
   /**
   * Auto-run after a Promise microtask
   * @returns {undefined}
   */
+
+
   editor.init = function () {
     var modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false;
+
     if (!modularVersion) {
       Object.assign(defaultConfig, {
         langPath: '../dist/locale/',
@@ -25541,18 +28188,20 @@
         canvgPath: '../dist/',
         jspdfPath: '../dist/'
       });
-    }
-
-    // const host = location.hostname,
+    } // const host = location.hostname,
     //  onWeb = host && host.includes('.');
     // Some FF versions throw security errors here when directly accessing
+
+
     try {
       if ('localStorage' in window) {
         // && onWeb removed so Webkit works locally
+
         /**
         * The built-in interface implemented by `localStorage`
         * @external Storage
         */
+
         /**
         * @name storage
         * @memberof module:SVGEditor
@@ -25560,9 +28209,9 @@
         */
         editor.storage = localStorage;
       }
-    } catch (err) {}
+    } catch (err) {} // Todo: Avoid const-defined functions and group functions together, etc. where possible
+
 
-    // Todo: Avoid const-defined functions and group functions together, etc. where possible
     var goodLangs = [];
     $$b('#lang_select option').each(function () {
       goodLangs.push(this.value);
@@ -25571,30 +28220,34 @@
     function setupCurPrefs() {
       curPrefs = $$b.extend(true, {}, defaultPrefs, curPrefs); // Now safe to merge with priority for curPrefs in the event any are already set
       // Export updated prefs
+
       editor.curPrefs = curPrefs;
     }
+
     function setupCurConfig() {
       curConfig = $$b.extend(true, {}, defaultConfig, curConfig); // Now safe to merge with priority for curConfig in the event any are already set
-
       // Now deal with extensions and other array config
+
       if (!curConfig.noDefaultExtensions) {
         curConfig.extensions = curConfig.extensions.concat(defaultExtensions);
-      }
-      // ...and remove any dupes
+      } // ...and remove any dupes
+
+
       ['extensions', 'stylesheets', 'allowedOrigins'].forEach(function (cfg) {
         curConfig[cfg] = $$b.grep(curConfig[cfg], function (n, i) {
           // Supposedly faster than filter per http://amandeep1986.blogspot.hk/2015/02/jquery-grep-vs-js-filter.html
           return i === curConfig[cfg].indexOf(n);
         });
-      });
-      // Export updated config
+      }); // Export updated config
+
       editor.curConfig = curConfig;
     }
+
     (function () {
       // Load config/data from URL if given
-      var src = void 0,
-          qstr = void 0;
+      var src, qstr;
       urldata = $$b.deparam.querystring(true);
+
       if (!$$b.isEmptyObject(urldata)) {
         if (urldata.dimensions) {
           urldata.dimensions = urldata.dimensions.split(',');
@@ -25607,44 +28260,50 @@
         if (urldata.extensions) {
           // For security reasons, disallow cross-domain or cross-folder extensions via URL
           urldata.extensions = urldata.extensions.match(/[:/\\]/) ? '' : urldata.extensions.split(',');
-        }
-
-        // Disallowing extension paths via URL for
+        } // Disallowing extension paths via URL for
         // security reasons, even for same-domain
         // ones given potential to interact in undesirable
         // ways with other script resources
+
+
         ['extPath', 'imgPath', 'extIconsPath', 'canvgPath', 'langPath', 'jGraduatePath', 'jspdfPath'].forEach(function (pathConfig) {
           if (urldata[pathConfig]) {
             delete urldata[pathConfig];
           }
         });
-
-        editor.setConfig(urldata, { overwrite: false }); // Note: source and url (as with storagePrompt later) are not set on config but are used below
+        editor.setConfig(urldata, {
+          overwrite: false
+        }); // Note: source and url (as with storagePrompt later) are not set on config but are used below
 
         setupCurConfig();
 
         if (!curConfig.preventURLContentLoading) {
           src = urldata.source;
           qstr = $$b.param.querystring();
+
           if (!src) {
             // urldata.source may have been null if it ended with '='
             if (qstr.includes('source=data:')) {
               src = qstr.match(/source=(data:[^&]*)/)[1];
             }
           }
+
           if (src) {
             if (src.startsWith('data:')) {
               editor.loadFromDataURI(src);
             } else {
               editor.loadFromString(src);
             }
+
             return;
           }
+
           if (urldata.url) {
             editor.loadFromURL(urldata.url);
             return;
           }
         }
+
         if (!urldata.noStorageOnLoad || curConfig.forceStorage) {
           editor.loadContentAndPrefs();
         }
@@ -25652,9 +28311,9 @@
         setupCurConfig();
         editor.loadContentAndPrefs();
       }
+
       setupCurPrefs();
     })();
-
     /**
     * Called internally
     * @param {string|Element|external:jQuery} elem
@@ -25662,15 +28321,18 @@
     * @param {Float} forcedSize Not in use
     * @returns {undefined}
     */
+
+
     var setIcon = editor.setIcon = function (elem, iconId, forcedSize) {
       var icon = typeof iconId === 'string' ? $$b.getSvgIcon(iconId, true) : iconId.clone();
+
       if (!icon) {
         console.log('NOTE: Icon image missing: ' + iconId);
         return;
       }
+
       $$b(elem).empty().append(icon);
     };
-
     /**
      * @fires module:svgcanvas.SvgCanvas#event:ext-addLangData
      * @fires module:svgcanvas.SvgCanvas#event:ext-langReady
@@ -25678,10 +28340,14 @@
      * @fires module:svgcanvas.SvgCanvas#event:extensions_added
      * @returns {Promise} Resolves to result of {@link module:locale.readLang}
      */
-    var extAndLocaleFunc = function () {
-      var _ref5 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee4() {
-        var _this = this;
 
+
+    var extAndLocaleFunc =
+    /*#__PURE__*/
+    function () {
+      var _ref5 = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee4() {
         var _ref6, langParam, langData;
 
         return regeneratorRuntime.wrap(function _callee4$(_context4) {
@@ -25695,14 +28361,16 @@
                 _ref6 = _context4.sent;
                 langParam = _ref6.langParam;
                 langData = _ref6.langData;
-
                 setLang(langParam, langData);
-
                 _context4.prev = 6;
                 _context4.next = 9;
-                return Promise.all(curConfig.extensions.map(function () {
-                  var _ref7 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee3(extname) {
-                    var extName, url, imported, _imported$name, _name2, init$$1, importLocale;
+                return Promise.all(curConfig.extensions.map(
+                /*#__PURE__*/
+                function () {
+                  var _ref7 = _asyncToGenerator(
+                  /*#__PURE__*/
+                  regeneratorRuntime.mark(function _callee3(extname) {
+                    var extName, url, imported, _imported$name, name, init$$1, importLocale;
 
                     return regeneratorRuntime.wrap(function _callee3$(_context3) {
                       while (1) {
@@ -25715,12 +28383,12 @@
                               break;
                             }
 
-                            return _context3.abrupt('return');
+                            return _context3.abrupt("return");
 
                           case 3:
-                            url = curConfig.extPath + extname;
-                            // Todo: Replace this with `return import(url);` when
+                            url = curConfig.extPath + extname; // Todo: Replace this with `return import(url);` when
                             //   `import()` widely supported
+
                             /**
                              * @tutorial ExtensionDocs
                              * @typedef {PlainObject} module:SVGEditor.ExtensionObject
@@ -25736,26 +28404,28 @@
 
                           case 7:
                             imported = _context3.sent;
-                            _imported$name = imported.name, _name2 = _imported$name === undefined ? extName[1] : _imported$name, init$$1 = imported.init;
-                            importLocale = getImportLocale({ defaultLang: langParam, defaultName: _name2 });
-                            return _context3.abrupt('return', editor.addExtension(_name2, init$$1 && init$$1.bind(editor), importLocale));
+                            _imported$name = imported.name, name = _imported$name === void 0 ? extName[1] : _imported$name, init$$1 = imported.init;
+                            importLocale = getImportLocale({
+                              defaultLang: langParam,
+                              defaultName: name
+                            });
+                            return _context3.abrupt("return", editor.addExtension(name, init$$1 && init$$1.bind(editor), importLocale));
 
                           case 13:
                             _context3.prev = 13;
-                            _context3.t0 = _context3['catch'](4);
-
+                            _context3.t0 = _context3["catch"](4);
                             console.log(_context3.t0);
                             console.error('Extension failed to load: ' + extname + '; ' + _context3.t0);
 
                           case 17:
-                          case 'end':
+                          case "end":
                             return _context3.stop();
                         }
                       }
-                    }, _callee3, _this, [[4, 13]]);
+                    }, _callee3, this, [[4, 13]]);
                   }));
 
-                  return function (_x3) {
+                  return function (_x2) {
                     return _ref7.apply(this, arguments);
                   };
                 }()));
@@ -25771,7 +28441,6 @@
                 function (win, data) {
                   extensionsAdded = true;
                   Actions.setAll();
-
                   $$b('.flyout_arrow_horiz:empty').each(function () {
                     $$b(this).append($$b.getSvgIcon('arrow_right', true).width(5).height(5));
                   });
@@ -25791,12 +28460,11 @@
 
               case 13:
                 _context4.prev = 13;
-                _context4.t0 = _context4['catch'](6);
-
+                _context4.t0 = _context4["catch"](6);
                 console.log(_context4.t0);
 
               case 16:
-              case 'end':
+              case "end":
                 return _context4.stop();
             }
           }
@@ -25808,7 +28476,9 @@
       };
     }();
 
-    var stateObj = { tool_scale: editor.tool_scale };
+    var stateObj = {
+      tool_scale: editor.tool_scale
+    };
 
     var setFlyoutPositions = function setFlyoutPositions() {
       $$b('.tools_flyout').each(function () {
@@ -25819,24 +28489,30 @@
             top = _shower$offset.top;
 
         var w = shower.outerWidth();
-        $$b(this).css({ left: (left + w) * editor.tool_scale, top: top });
+        $$b(this).css({
+          left: (left + w) * editor.tool_scale,
+          top: top
+        });
       });
     };
 
     var uaPrefix = function () {
       var regex = /^(Moz|Webkit|Khtml|O|ms|Icab)(?=[A-Z])/;
       var someScript = document.getElementsByTagName('script')[0];
+
       for (var prop in someScript.style) {
         if (regex.test(prop)) {
           // test is faster than match, so it's better to perform
           // that on the lot and match only when necessary
           return prop.match(regex)[0];
         }
-      }
-      // Nothing found so far?
+      } // Nothing found so far?
+
+
       if ('WebkitOpacity' in someScript.style) {
         return 'Webkit';
       }
+
       if ('KhtmlOpacity' in someScript.style) {
         return 'Khtml';
       }
@@ -25847,59 +28523,62 @@
     var scaleElements = function scaleElements(elems, scale) {
       // const prefix = '-' + uaPrefix.toLowerCase() + '-'; // Currently unused
       var sides = ['top', 'left', 'bottom', 'right'];
-
       elems.each(function () {
         // Handled in CSS
         // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';
         var el = $$b(this);
         var w = el.outerWidth() * (scale - 1);
-        var h = el.outerHeight() * (scale - 1);
-        // const margins = {}; // Currently unused
+        var h = el.outerHeight() * (scale - 1); // const margins = {}; // Currently unused
 
         for (var i = 0; i < 4; i++) {
           var s = sides[i];
           var cur = el.data('orig_margin-' + s);
+
           if (cur == null) {
-            cur = parseInt(el.css('margin-' + s), 10);
-            // Cache the original margin
+            cur = parseInt(el.css('margin-' + s), 10); // Cache the original margin
+
             el.data('orig_margin-' + s, cur);
           }
+
           var val = cur * scale;
+
           if (s === 'right') {
             val += w;
           } else if (s === 'bottom') {
             val += h;
           }
 
-          el.css('margin-' + s, val);
-          // el.css('outline', '1px solid red');
+          el.css('margin-' + s, val); // el.css('outline', '1px solid red');
         }
       });
     };
-
     /**
     * Called internally.
     * @param {module:SVGEditor.IconSize} size
     * @returns {undefined}
     */
+
+
     var setIconSize = editor.setIconSize = function (size) {
       // const elems = $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open');
       var selToscale = '#tools_top .toolset, #editor_panel > *, #history_panel > *,' + '        #main_button, #tools_left > *, #path_node_panel > *, #multiselected_panel > *,' + '        #g_panel > *, #tool_font_size > *, .tools_flyout';
-
       var elems = $$b(selToscale);
-
       var scale = 1;
+
       if (typeof size === 'number') {
         scale = size;
       } else {
-        var iconSizes = { s: 0.75, m: 1, l: 1.25, xl: 1.5 };
+        var iconSizes = {
+          s: 0.75,
+          m: 1,
+          l: 1.25,
+          xl: 1.5
+        };
         scale = iconSizes[size];
       }
 
       stateObj.tool_scale = editor.tool_scale = scale;
-
-      setFlyoutPositions();
-      // $('.tools_flyout').each(function () {
+      setFlyoutPositions(); // $('.tools_flyout').each(function () {
       //   const pos = $(this).position();
       //   console.log($(this), pos.left+(34 * scale));
       //   $(this).css({left: pos.left+(34 * scale), top: pos.top+(77 * scale)});
@@ -25911,13 +28590,10 @@
       var hiddenPs = elems.parents(':hidden');
       hiddenPs.css('visibility', 'hidden').show();
       scaleElements(elems, scale);
-      hiddenPs.css('visibility', 'visible').hide();
-      // return;
+      hiddenPs.css('visibility', 'visible').hide(); // return;
 
       $$b.pref('iconsize', size);
-      $$b('#iconsize').val(size);
-
-      // Change icon size
+      $$b('#iconsize').val(size); // Change icon size
       // $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open')
       // .find('> svg, > img').each(function () {
       //   this.setAttribute('width',size_num);
@@ -25932,8 +28608,8 @@
       // if (size != 's') {
       //   $.resizeSvgIcons({'#layerbuttons svg, #layerbuttons img': size_num * .6});
       // }
-
       // Note that all rules will be prefixed with '#svg_editor' when parsed
+
       var cssResizeRules = {
         // '.tool_button,\
         // .push_button,\
@@ -25964,8 +28640,7 @@
         },
         'div#workarea': {
           left: 38,
-          top: 74
-          // '#tools_bottom': {
+          top: 74 // '#tools_bottom': {
           //   left: {s: '27px', l: '46px', xl: '65px'},
           //   height: {s: '58px', l: '98px', xl: '145px'}
           // },
@@ -26047,9 +28722,11 @@
           // '#position_opts': {
           //   width: {all: (size_num*4) +'px'}
           // }
-        } };
 
+        }
+      };
       var ruleElem = $$b('#tool_size_rules');
+
       if (!ruleElem.length) {
         ruleElem = $$b('<style id="tool_size_rules"></style>').appendTo('head');
       } else {
@@ -26062,17 +28739,19 @@
           selector = '#svg_editor ' + selector.replace(/,/g, ', #svg_editor');
           styleStr += selector + '{';
           $$b.each(rules, function (prop, values) {
-            var val = void 0;
+            var val;
+
             if (typeof values === 'number') {
               val = values * scale + 'px';
             } else if (values[size] || values.all) {
               val = values[size] || values.all;
             }
+
             styleStr += prop + ':' + val + ';';
           });
           styleStr += '}';
-        });
-        // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';
+        }); // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';
+
         var prefix = '-' + uaPrefix.toLowerCase() + '-';
         styleStr += selToscale + '{' + prefix + 'transform: scale(' + scale + ');}' + ' #svg_editor div.toolset .toolset {' + prefix + 'transform: scale(1); margin: 1px !important;}' + // Hack for markers
         ' #svg_editor .ui-slider {' + prefix + 'transform: scale(' + 1 / scale + ');}' // Hack for sliders
@@ -26082,17 +28761,18 @@
 
       setFlyoutPositions();
     };
+
     $$b.svgIcons(curConfig.imgPath + 'svg_edit_icons.svg', {
-      w: 24, h: 24,
+      w: 24,
+      h: 24,
       id_match: false,
-      no_img: !isWebkit(), // Opera & Firefox 4 gives odd behavior w/images
+      no_img: !isWebkit(),
+      // Opera & Firefox 4 gives odd behavior w/images
       fallback_path: curConfig.imgPath,
       fallback: {
         logo: 'logo.png',
-
         select: 'select.png',
         select_node: 'select_node.png',
-
         square: 'square.png',
         rect: 'rect.png',
         fh_rect: 'freehand-square.png',
@@ -26106,17 +28786,14 @@
         add_subpath: 'add_subpath.png',
         close_path: 'closepath.png',
         open_path: 'openpath.png',
-
         image: 'image.png',
         zoom: 'zoom.png',
-
         arrow_right: 'flyouth.png',
         arrow_right_big: 'arrow_right_big.png',
         arrow_down: 'dropdown.gif',
         fill: 'fill.png',
         stroke: 'stroke.png',
         opacity: 'opacity.png',
-
         new_image: 'clear.png',
         save: 'save.png',
         export: 'export.png',
@@ -26125,10 +28802,8 @@
         docprops: 'document-properties.png',
         source: 'source.png',
         wireframe: 'wireframe.png',
-
         undo: 'undo.png',
         redo: 'redo.png',
-
         clone: 'clone.png',
         delete: 'delete.png',
         go_up: 'go-up.png',
@@ -26140,7 +28815,6 @@
         link_controls: 'link_controls.png',
         reorient: 'reorient.png',
         group_elements: 'shape_group_elements.png',
-
         ungroup: 'shape_ungroup.png',
         unlink_use: 'unlink_use.png',
         width: 'width.png',
@@ -26150,14 +28824,12 @@
         blur: 'blur.png',
         fontsize: 'fontsize.png',
         align: 'align.png',
-
         align_left: 'align-left.png',
         align_center: 'align-center.png',
         align_right: 'align-right.png',
         align_top: 'align-top.png',
         align_middle: 'align-middle.png',
         align_bottom: 'align-bottom.png',
-
         linecap_butt: 'linecap_butt.png',
         linecap_square: 'linecap_square.png',
         linecap_round: 'linecap_round.png',
@@ -26166,19 +28838,15 @@
         linejoin_round: 'linejoin_round.png',
         eye: 'eye.png',
         no_color: 'no_color.png',
-
         ok: 'save.png',
         cancel: 'cancel.png',
         warning: 'warning.png',
-
         node_delete: 'node_delete.png',
         node_clone: 'node_clone.png',
-
         globe_link: 'globe_link.png'
       },
       placement: {
         '#logo': 'logo',
-
         '#tool_clear div,#layer_new': 'new_image',
         '#tool_save div': 'save',
         '#tool_export div': 'export',
@@ -26187,10 +28855,8 @@
         '#tool_source': 'source',
         '#tool_docprops > div': 'docprops',
         '#tool_wireframe': 'wireframe',
-
         '#tool_undo': 'undo',
         '#tool_redo': 'redo',
-
         '#tool_select': 'select',
         '#tool_fhpath': 'pencil',
         '#tool_line': 'pen',
@@ -26204,7 +28870,6 @@
         '#tool_text,#layer_rename': 'text',
         '#tool_image': 'image',
         '#tool_zoom': 'zoom',
-
         '#tool_clone,#tool_clone_multi': 'clone',
         '#tool_node_clone': 'node_clone',
         '#layer_delete,#tool_delete,#tool_delete_multi': 'delete',
@@ -26219,7 +28884,6 @@
         '#tool_group_elements': 'group_elements',
         '#tool_ungroup': 'ungroup',
         '#tool_unlink_use': 'unlink_use',
-
         '#tool_alignleft, #tool_posleft': 'align_left',
         '#tool_aligncenter, #tool_poscenter': 'align_center',
         '#tool_alignright, #tool_posright': 'align_right',
@@ -26227,25 +28891,19 @@
         '#tool_alignmiddle, #tool_posmiddle': 'align_middle',
         '#tool_alignbottom, #tool_posbottom': 'align_bottom',
         '#cur_position': 'align',
-
         '#linecap_butt,#cur_linecap': 'linecap_butt',
         '#linecap_round': 'linecap_round',
         '#linecap_square': 'linecap_square',
-
         '#linejoin_miter,#cur_linejoin': 'linejoin_miter',
         '#linejoin_round': 'linejoin_round',
         '#linejoin_bevel': 'linejoin_bevel',
-
         '#url_notice': 'warning',
-
         '#layer_up': 'go_up',
         '#layer_down': 'go_down',
         '#layer_moreopts': 'context_menu',
         '#layerlist td.layervis': 'eye',
-
         '#tool_source_save,#tool_docprops_save,#tool_prefs_save': 'ok',
         '#tool_source_cancel,#tool_docprops_cancel,#tool_prefs_cancel': 'cancel',
-
         '#rwidthLabel, #iwidthLabel': 'width',
         '#rheightLabel, #iheightLabel': 'height',
         '#cornerRadiusLabel span': 'c_radius',
@@ -26257,7 +28915,6 @@
         '#group_opacityLabel': 'opacity',
         '#blurLabel': 'blur',
         '#font_sizeLabel': 'fontsize',
-
         '.flyout_arrow_horiz': 'arrow_right',
         '.dropdown button, #main_button .dropdown': 'arrow_down',
         '#palette .palette_item:first, #fill_bg, #stroke_bg': 'no_color'
@@ -26278,26 +28935,26 @@
         $$b('.toolbar_button button > svg, .toolbar_button button > img').each(function () {
           $$b(this).parent().prepend(this);
         });
-
         var tleft = $$b('#tools_left');
+        var minHeight;
 
-        var minHeight = void 0;
         if (tleft.length) {
           minHeight = tleft.offset().top + tleft.outerHeight();
         }
 
         var size = $$b.pref('iconsize');
-        editor.setIconSize(size || ($$b(window).height() < minHeight ? 's' : 'm'));
+        editor.setIconSize(size || ($$b(window).height() < minHeight ? 's' : 'm')); // Look for any missing flyout icons from plugins
 
-        // Look for any missing flyout icons from plugins
         $$b('.tools_flyout').each(function () {
           var shower = $$b('#' + this.id + '_show');
-          var sel = shower.attr('data-curopt');
-          // Check if there's an icon here
+          var sel = shower.attr('data-curopt'); // Check if there's an icon here
+
           if (!shower.children('svg, img').length) {
             var clone = $$b(sel).children().clone();
+
             if (clone.length) {
               clone[0].removeAttribute('style'); // Needed for Opera
+
               shower.append(clone);
             }
           }
@@ -26307,55 +28964,68 @@
           switch (stylesheet) {
             case 'jgraduate/css/jPicker.css':
               return 1;
+
             case 'jgraduate/css/jGraduate.css':
               return 2;
+
             case 'svg-editor.css':
               return 3;
+
             case 'spinbtn/jQuery.SpinButton.css':
               return 4;
+
             default:
               return Infinity;
           }
         }
+
         var stylesheets = $$b.loadingStylesheets.sort(function (a, b) {
           var priorityA = getStylesheetPriority(a);
           var priorityB = getStylesheetPriority(b);
+
           if (priorityA === priorityB) {
             return 0;
           }
+
           return priorityA > priorityB;
         });
+
         if (curConfig.stylesheets.length) {
           // Ensure a copy with unique items
-          stylesheets = [].concat(toConsumableArray(new Set(curConfig.stylesheets)));
+          stylesheets = _toConsumableArray(new Set(curConfig.stylesheets));
           var idx = stylesheets.indexOf('@default');
+
           if (idx > -1) {
             var _stylesheets;
 
-            (_stylesheets = stylesheets).splice.apply(_stylesheets, [idx, 1].concat(toConsumableArray($$b.loadingStylesheets)));
+            (_stylesheets = stylesheets).splice.apply(_stylesheets, [idx, 1].concat(_toConsumableArray($$b.loadingStylesheets)));
           }
         }
-        loadStylesheets(stylesheets, { acceptErrors: function acceptErrors(_ref8) {
+
+        loadStylesheets(stylesheets, {
+          acceptErrors: function acceptErrors(_ref8) {
             var stylesheetURL = _ref8.stylesheetURL,
                 reject = _ref8.reject,
                 resolve = _ref8.resolve;
 
             if ($$b.loadingStylesheets.includes(stylesheetURL)) {
-              reject(new Error('Missing expected stylesheet: ' + stylesheetURL));
+              reject(new Error("Missing expected stylesheet: ".concat(stylesheetURL)));
               return;
             }
+
             resolve();
-          } }).then(function () {
+          }
+        }).then(function () {
           $$b('#svg_container')[0].style.visibility = 'visible';
           editor.runCallbacks();
         });
       }
     });
-
     /**
     * @name module:SVGEditor.canvas
     * @type {module:svgcanvas.SvgCanvas}
     */
+
     editor.canvas = svgCanvas = new SvgCanvas(document.getElementById('svgcanvas'), curConfig);
     var palette = [// Todo: Make into configuration item?
     '#000000', '#3f3f3f', '#7f7f7f', '#bfbfbf', '#ffffff', '#ff0000', '#ff7f00', '#ffff00', '#7fff00', '#00ff00', '#00ff7f', '#00ffff', '#007fff', '#0000ff', '#7f00ff', '#ff00ff', '#ff007f', '#7f0000', '#7f3f00', '#7f7f00', '#3f7f00', '#007f00', '#007f3f', '#007f7f', '#003f7f', '#00007f', '#3f007f', '#7f007f', '#7f003f', '#ffaaaa', '#ffd4aa', '#ffffaa', '#d4ffaa', '#aaffaa', '#aaffd4', '#aaffff', '#aad4ff', '#aaaaff', '#d4aaff', '#ffaaff', '#ffaad4'],
@@ -26365,21 +29035,21 @@
         undoMgr = _svgCanvas.undoMgr,
         workarea = $$b('#workarea'),
         canvMenu = $$b('#cmenu_canvas'),
-        paintBox = { fill: null, stroke: null };
-
-
-    var resizeTimer = void 0,
-        curScrollPos = void 0;
+        paintBox = {
+      fill: null,
+      stroke: null
+    };
+    var resizeTimer, curScrollPos;
     var exportWindow = null,
         defaultImageURL = curConfig.imgPath + 'logo.png',
         zoomInIcon = 'crosshair',
         zoomOutIcon = 'crosshair',
-        uiContext = 'toolbars';
+        uiContext = 'toolbars'; // For external openers
 
-    // For external openers
     (function () {
       // let the opener know SVG Edit is ready (now that config is set up)
       var w = window.opener || window.parent;
+
       if (w) {
         try {
           /**
@@ -26390,6 +29060,7 @@
            * @property {true} bubbles
            * @property {true} cancelable
            */
+
           /**
            * @name module:SVGEditor.svgEditorReadyEvent
            * @type {module:SVGEditor#event:svgEditorReadyEvent}
@@ -26401,38 +29072,39 @@
           w.document.documentElement.dispatchEvent(svgEditorReadyEvent);
         } catch (e) {}
       }
-    })();
-
-    // This sets up alternative dialog boxes. They mostly work the same way as
+    })(); // This sets up alternative dialog boxes. They mostly work the same way as
     // their UI counterparts, expect instead of returning the result, a callback
     // needs to be included that returns the result as its first parameter.
     // In the future we may want to add additional types of dialog boxes, since
     // they should be easy to handle this way.
+
+
     (function () {
       $$b('#dialog_container').draggable({
         cancel: '#dialog_content, #dialog_buttons *',
         containment: 'window'
       }).css('position', 'absolute');
+
       var box = $$b('#dialog_box'),
           btnHolder = $$b('#dialog_buttons'),
           dialogContent = $$b('#dialog_content'),
           dbox = function dbox(type, msg, callback, defaultVal, opts, changeCb, checkbox) {
         dialogContent.html('<p>' + msg.replace(/\n/g, '</p><p>') + '</p>').toggleClass('prompt', type === 'prompt');
         btnHolder.empty();
-
         var ok = $$b('<input type="button" value="' + uiStrings$1.common.ok + '">').appendTo(btnHolder);
 
         if (type !== 'alert') {
           $$b('<input type="button" value="' + uiStrings$1.common.cancel + '">').appendTo(btnHolder).click(function () {
             box.hide();
+
             if (callback) {
               callback(false); // eslint-disable-line standard/no-callback-literal
             }
           });
         }
 
-        var ctrl = void 0,
-            chkbx = void 0;
+        var ctrl, chkbx;
+
         if (type === 'prompt') {
           ctrl = $$b('<input type="text">').prependTo(btnHolder);
           ctrl.val(defaultVal || '');
@@ -26442,30 +29114,37 @@
         } else if (type === 'select') {
           var div = $$b('<div style="text-align:center;">');
           ctrl = $$b('<select>').appendTo(div);
+
           if (checkbox) {
             var label = $$b('<label>').text(checkbox.label);
             chkbx = $$b('<input type="checkbox">').appendTo(label);
             chkbx.val(checkbox.value);
+
             if (checkbox.tooltip) {
               label.attr('title', checkbox.tooltip);
             }
+
             chkbx.prop('checked', !!checkbox.checked);
             div.append($$b('<div>').append(label));
           }
+
           $$b.each(opts || [], function (opt, val) {
-            if ((typeof val === 'undefined' ? 'undefined' : _typeof(val)) === 'object') {
+            if (_typeof(val) === 'object') {
               ctrl.append($$b('<option>').val(val.value).html(val.text));
             } else {
               ctrl.append($$b('<option>').html(val));
             }
           });
           dialogContent.append(div);
+
           if (defaultVal) {
             ctrl.val(defaultVal);
           }
+
           if (changeCb) {
             ctrl.bind('change', 'return', changeCb);
           }
+
           ctrl.bind('keydown', 'return', function () {
             ok.click();
           });
@@ -26474,10 +29153,10 @@
         }
 
         box.show();
-
         ok.click(function () {
           box.hide();
           var resp = type === 'prompt' || type === 'select' ? ctrl.val() : true;
+
           if (callback) {
             if (chkbx) {
               callback(resp, chkbx.prop('checked'));
@@ -26495,15 +29174,19 @@
       $$b.alert = function (msg, cb) {
         dbox('alert', msg, cb);
       };
+
       $$b.confirm = function (msg, cb) {
         dbox('confirm', msg, cb);
       };
+
       $$b.process_cancel = function (msg, cb) {
         dbox('process', msg, cb);
       };
+
       $$b.prompt = function (msg, txt, cb) {
         dbox('prompt', msg, cb, txt);
       };
+
       $$b.select = function (msg, opts, cb, changeCb, txt, checkbox) {
         dbox('select', msg, cb, txt, opts, changeCb, checkbox);
       };
@@ -26511,33 +29194,37 @@
 
     var setSelectMode = function setSelectMode() {
       var curr = $$b('.tool_button_current');
+
       if (curr.length && curr[0].id !== 'tool_select') {
         curr.removeClass('tool_button_current').addClass('tool_button');
         $$b('#tool_select').addClass('tool_button_current').removeClass('tool_button');
         $$b('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all} #svgcanvas svg{cursor:default}');
       }
+
       svgCanvas.setMode('select');
       workarea.css('cursor', 'auto');
-    };
-
-    // used to make the flyouts stay on the screen longer the very first time
+    }; // used to make the flyouts stay on the screen longer the very first time
     // const flyoutspeed = 1250; // Currently unused
     // let textBeingEntered = false; // Currently unused
-    var origTitle = $$b('title:first').text();
-    // Make [1,2,5] array
+
+
+    var origTitle = $$b('title:first').text(); // Make [1,2,5] array
+
     var rIntervals = [];
+
     for (var i = 0.1; i < 1E5; i *= 10) {
       rIntervals.push(i);
       rIntervals.push(2 * i);
       rIntervals.push(5 * i);
-    }
-
-    // This function highlights the layer passed in (by fading out the other layers)
+    } // This function highlights the layer passed in (by fading out the other layers)
     // if no layer is passed in, this function restores the other layers
+
+
     var toggleHighlightLayer = function toggleHighlightLayer(layerNameToHighlight) {
-      var i = void 0;
+      var i;
       var curNames = [],
           numLayers = svgCanvas.getCurrentDrawing().getNumLayers();
+
       for (i = 0; i < numLayers; i++) {
         curNames[i] = svgCanvas.getCurrentDrawing().getLayerName(i);
       }
@@ -26562,22 +29249,26 @@
       var drawing = svgCanvas.getCurrentDrawing();
       var currentLayerName = drawing.getCurrentLayerName();
       var icon = $$b.getSvgIcon('eye');
-      var layer = svgCanvas.getCurrentDrawing().getNumLayers();
-      // we get the layers in the reverse z-order (the layer rendered on top is listed first)
+      var layer = svgCanvas.getCurrentDrawing().getNumLayers(); // we get the layers in the reverse z-order (the layer rendered on top is listed first)
+
       while (layer--) {
-        var _name3 = drawing.getLayerName(layer);
-        var layerTr = $$b('<tr class="layer">').toggleClass('layersel', _name3 === currentLayerName);
-        var layerVis = $$b('<td class="layervis">').toggleClass('layerinvis', !drawing.getLayerVisibility(_name3));
-        var layerName = $$b('<td class="layername">' + _name3 + '</td>');
+        var name = drawing.getLayerName(layer);
+        var layerTr = $$b('<tr class="layer">').toggleClass('layersel', name === currentLayerName);
+        var layerVis = $$b('<td class="layervis">').toggleClass('layerinvis', !drawing.getLayerVisibility(name));
+        var layerName = $$b('<td class="layername">' + name + '</td>');
         layerlist.append(layerTr.append(layerVis, layerName));
-        selLayerNames.append('<option value="' + _name3 + '">' + _name3 + '</option>');
+        selLayerNames.append('<option value="' + name + '">' + name + '</option>');
       }
+
       if (icon !== undefined) {
         var copy = icon.clone();
         $$b('td.layervis', layerlist).append(copy);
-        $$b.resizeSvgIcons({ 'td.layervis .svg_icon': 14 });
-      }
-      // handle selection of layer
+        $$b.resizeSvgIcons({
+          'td.layervis .svg_icon': 14
+        });
+      } // handle selection of layer
+
+
       $$b('#layerlist td.layername').mouseup(function (evt) {
         $$b('#layerlist tr.layer').removeClass('layersel');
         $$b(this.parentNode).addClass('layersel');
@@ -26594,10 +29285,10 @@
         var vis = $$b(this).hasClass('layerinvis');
         svgCanvas.setLayerVisibility(name, vis);
         $$b(this).toggleClass('layerinvis');
-      });
+      }); // if there were too few rows, let's add a few to make it not so lonely
 
-      // if there were too few rows, let's add a few to make it not so lonely
       var num = 5 - $$b('#layerlist tr.layer').size();
+
       while (num-- > 0) {
         // FIXME: there must a better way to do this
         layerlist.append('<tr><td style="color:white">_</td><td/></tr>');
@@ -26606,6 +29297,7 @@
 
     var editingsource = false;
     var origSource = '';
+
     var showSourceEditor = function showSourceEditor(e, forSaving) {
       if (editingsource) {
         return;
@@ -26626,12 +29318,14 @@
     var togglePathEditMode = function togglePathEditMode(editmode, elems) {
       $$b('#path_node_panel').toggle(editmode);
       $$b('#tools_bottom_2,#tools_bottom_3').toggle(!editmode);
+
       if (editmode) {
         // Change select icon
         $$b('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
         $$b('#tool_select').addClass('tool_button_current').removeClass('tool_button');
         setIcon('#tool_select', 'select_node');
         multiselected = false;
+
         if (elems.length) {
           selectedElement = elems[0];
         }
@@ -26641,7 +29335,6 @@
         }, 1000);
       }
     };
-
     /**
      * @type {module:svgcanvas.EventHandler}
      * @param {external:Window} wind
@@ -26649,34 +29342,33 @@
      * @listens module:svgcanvas.SvgCanvas#event:saved
      * @returns {undefined}
      */
+
+
     var saveHandler = function saveHandler(wind, svg) {
-      editor.showSaveWarning = false;
-
-      // by default, we add the XML prolog back, systems integrating SVG-edit (wikis, CMSs)
+      editor.showSaveWarning = false; // by default, we add the XML prolog back, systems integrating SVG-edit (wikis, CMSs)
       // can just provide their own custom save handler and might not want the XML prolog
-      svg = '<?xml version="1.0"?>\n' + svg;
 
-      // IE9 doesn't allow standalone Data URLs
+      svg = '<?xml version="1.0"?>\n' + svg; // IE9 doesn't allow standalone Data URLs
       // https://connect.microsoft.com/IE/feedback/details/542600/data-uri-images-fail-when-loaded-by-themselves
+
       if (isIE()) {
         showSourceEditor(0, true);
         return;
-      }
-
-      // Since saving SVGs by opening a new window was removed in Chrome use artificial link-click
+      } // Since saving SVGs by opening a new window was removed in Chrome use artificial link-click
       // https://stackoverflow.com/questions/45603201/window-is-not-allowed-to-navigate-top-frame-navigations-to-data-urls
+
+
       var a = document.createElement('a');
       a.href = 'data:image/svg+xml;base64,' + encode64(svg);
       a.download = 'icon.svg';
-
-      a.click();
-
-      // Alert will only appear the first time saved OR the
+      a.click(); // Alert will only appear the first time saved OR the
       //   first time the bug is encountered
+
       var done = $$b.pref('save_notice_done');
+
       if (done !== 'all') {
-        var note = uiStrings$1.notification.saveFromBrowser.replace('%s', 'SVG');
-        // Check if FF and has <defs/>
+        var note = uiStrings$1.notification.saveFromBrowser.replace('%s', 'SVG'); // Check if FF and has <defs/>
+
         if (isGecko()) {
           if (svg.includes('<defs')) {
             // warning about Mozilla bug #308590 when applicable (seems to be fixed now in Feb 2013)
@@ -26689,23 +29381,24 @@
         } else {
           $$b.pref('save_notice_done', 'all');
         }
+
         if (done !== 'part') {
           alert(note);
         }
       }
     };
-
     /**
      * @param {external:Window} win
      * @param {module:svgcanvas.SvgCanvas#event:exported} data
      * @listens module:svgcanvas.SvgCanvas#event:exported
      * @returns {undefined}
      */
+
+
     var exportHandler = function exportHandler(win, data) {
       var issues = data.issues,
           exportWindowName = data.exportWindowName;
 
-
       if (exportWindowName) {
         exportWindow = window.open(blankPageObjectURL || '', exportWindowName); // A hack to get the window via JSON-able name without opening a new one
       }
@@ -26717,17 +29410,17 @@
 
       exportWindow.location.href = data.bloburl || data.datauri;
       var done = $$b.pref('export_notice_done');
+
       if (done !== 'all') {
-        var note = uiStrings$1.notification.saveFromBrowser.replace('%s', data.type);
+        var note = uiStrings$1.notification.saveFromBrowser.replace('%s', data.type); // Check if there are issues
 
-        // Check if there are issues
         if (issues.length) {
-          var pre = '\n \u2022 ';
+          var pre = "\n \u2022 ";
           note += '\n\n' + uiStrings$1.notification.noteTheseIssues + pre + issues.join(pre);
-        }
-
-        // Note that this will also prevent the notice even though new issues may appear later.
+        } // Note that this will also prevent the notice even though new issues may appear later.
         // May want to find a way to deal with that without annoying the user
+
+
         $$b.pref('export_notice_done', 'all');
         exportWindow.alert(note);
       }
@@ -26738,12 +29431,12 @@
       if (!window.opera) {
         return;
       }
+
       $$b('<p/>').hide().appendTo('body').remove();
     };
 
     function setStrokeOpt(opt, changeElem) {
       var id = opt.id;
-
       var bits = id.split('_');
       var pre = bits[0];
       var val = bits[1];
@@ -26751,11 +29444,11 @@
       if (changeElem) {
         svgCanvas.setStrokeAttr('stroke-' + pre, val);
       }
+
       operaRepaint();
       setIcon('#cur_' + pre, id, 20);
       $$b(opt).addClass('current').siblings().removeClass('current');
     }
-
     /**
     * This is a common function used when a tool has been clicked (chosen)
     * It does several common things:
@@ -26767,47 +29460,56 @@
     * @param {boolean} noHiding Whether not to hide any flyouts
     * @returns {boolean} Whether the button was disabled or not
     */
+
+
     var toolButtonClick = editor.toolButtonClick = function (button, noHiding) {
       if ($$b(button).hasClass('disabled')) {
         return false;
       }
+
       if ($$b(button).parent().hasClass('tools_flyout')) {
         return true;
       }
+
       var fadeFlyouts = 'normal';
+
       if (!noHiding) {
         $$b('.tools_flyout').fadeOut(fadeFlyouts);
       }
+
       $$b('#styleoverrides').text('');
       workarea.css('cursor', 'auto');
       $$b('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
       $$b(button).addClass('tool_button_current').removeClass('tool_button');
       return true;
     };
-
     /**
     * Unless the select toolbar button is disabled, sets the button
     * and sets the select mode and cursor styles.
     * @function module:SVGEditor.clickSelect
     * @returns {undefined}
     */
+
+
     var clickSelect = editor.clickSelect = function () {
       if (toolButtonClick('#tool_select')) {
         svgCanvas.setMode('select');
         $$b('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all}, #svgcanvas svg{cursor:default}');
       }
     };
-
     /**
     * Set a selected image's URL
     * @function module:SVGEditor.setImageURL
     * @param {string} url
     * @returns {undefined}
     */
+
+
     var setImageURL = editor.setImageURL = function (url) {
       if (!url) {
         url = defaultImageURL;
       }
+
       svgCanvas.setImageURL(url);
       $$b('#image_url').val(url);
 
@@ -26830,16 +29532,15 @@
     function setBackground(color, url) {
       // if (color == $.pref('bkgd_color') && url == $.pref('bkgd_url')) { return; }
       $$b.pref('bkgd_color', color);
-      $$b.pref('bkgd_url', url);
+      $$b.pref('bkgd_url', url); // This should be done in svgcanvas.js for the borderRect fill
 
-      // This should be done in svgcanvas.js for the borderRect fill
       svgCanvas.setBackground(color, url);
     }
 
     function promptImgURL() {
       var _ref9 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
           _ref9$cancelDeletes = _ref9.cancelDeletes,
-          cancelDeletes = _ref9$cancelDeletes === undefined ? false : _ref9$cancelDeletes;
+          cancelDeletes = _ref9$cancelDeletes === void 0 ? false : _ref9$cancelDeletes;
 
       var curhref = svgCanvas.getHref(selectedElement);
       curhref = curhref.startsWith('data:') ? '' : curhref;
@@ -26861,33 +29562,29 @@
       if (!zoom) {
         zoom = svgCanvas.getZoom();
       }
+
       if (!scanvas) {
         scanvas = $$b('#svgcanvas');
       }
 
-      var d = void 0,
-          i = void 0;
+      var d, i;
       var limit = 30000;
       var contentElem = svgCanvas.getContentElem();
       var units = getTypeMap();
       var unit = units[curConfig.baseUnit]; // 1 = 1px
-
       // draw x ruler then y ruler
+
       for (d = 0; d < 2; d++) {
         var isX = d === 0;
         var dim = isX ? 'x' : 'y';
         var lentype = isX ? 'width' : 'height';
         var contentDim = Number(contentElem.getAttribute(dim));
+        var $hcanvOrig = $$b('#ruler_' + dim + ' canvas:first'); // Bit of a hack to fully clear the canvas in Safari & IE9
 
-        var $hcanvOrig = $$b('#ruler_' + dim + ' canvas:first');
-
-        // Bit of a hack to fully clear the canvas in Safari & IE9
         var $hcanv = $hcanvOrig.clone();
         $hcanvOrig.replaceWith($hcanv);
+        var hcanv = $hcanv[0]; // Set the canvas size to the width of the container
 
-        var hcanv = $hcanv[0];
-
-        // Set the canvas size to the width of the container
         var rulerLen = scanvas[lentype]();
         var totalLen = rulerLen;
         hcanv.parentNode.style[lentype] = totalLen + 'px';
@@ -26895,19 +29592,17 @@
         var ctxArr = void 0,
             num = void 0,
             ctxArrNum = void 0;
-
         ctx.fillStyle = 'rgb(200,0,0)';
-        ctx.fillRect(0, 0, hcanv.width, hcanv.height);
+        ctx.fillRect(0, 0, hcanv.width, hcanv.height); // Remove any existing canvasses
 
-        // Remove any existing canvasses
-        $hcanv.siblings().remove();
+        $hcanv.siblings().remove(); // Create multiple canvases when necessary (due to browser limits)
 
-        // Create multiple canvases when necessary (due to browser limits)
         if (rulerLen >= limit) {
           ctxArrNum = parseInt(rulerLen / limit, 10) + 1;
           ctxArr = [];
           ctxArr[0] = ctx;
           var copy = void 0;
+
           for (i = 1; i < ctxArrNum; i++) {
             hcanv[lentype] = limit;
             copy = hcanv.cloneNode(true);
@@ -26915,40 +29610,38 @@
             ctxArr[i] = copy.getContext('2d');
           }
 
-          copy[lentype] = rulerLen % limit;
+          copy[lentype] = rulerLen % limit; // set copy width to last
 
-          // set copy width to last
           rulerLen = limit;
         }
 
         hcanv[lentype] = rulerLen;
+        var uMulti = unit * zoom; // Calculate the main number interval
 
-        var uMulti = unit * zoom;
-
-        // Calculate the main number interval
         var rawM = 50 / uMulti;
         var multi = 1;
+
         for (i = 0; i < rIntervals.length; i++) {
           num = rIntervals[i];
           multi = num;
+
           if (rawM <= num) {
             break;
           }
         }
 
         var bigInt = multi * uMulti;
-
         ctx.font = '9px sans-serif';
-
         var rulerD = contentDim / uMulti % multi * uMulti;
-        var labelPos = rulerD - bigInt;
-        // draw big intervals
+        var labelPos = rulerD - bigInt; // draw big intervals
+
         var ctxNum = 0;
+
         while (rulerD < totalLen) {
-          labelPos += bigInt;
-          // const realD = rulerD - contentDim; // Currently unused
+          labelPos += bigInt; // const realD = rulerD - contentDim; // Currently unused
 
           var curD = Math.round(rulerD) + 0.5;
+
           if (isX) {
             ctx.moveTo(curD, 15);
             ctx.lineTo(curD, 0);
@@ -26959,14 +29652,15 @@
 
           num = (labelPos - contentDim) / uMulti;
           var label = void 0;
+
           if (multi >= 1) {
             label = Math.round(num);
           } else {
             var decs = String(multi).split('.')[1].length;
             label = num.toFixed(decs);
-          }
+          } // Change 1000s to Ks
+
 
-          // Change 1000s to Ks
           if (label !== 0 && label !== 1000 && label % 1000 === 0) {
             label = label / 1000 + 'K';
           }
@@ -26976,30 +29670,35 @@
           } else {
             // draw label vertically
             var _str = String(label).split('');
+
             for (i = 0; i < _str.length; i++) {
               ctx.fillText(_str[i], 1, rulerD + 9 + i * 9);
             }
           }
 
-          var part = bigInt / 10;
-          // draw the small intervals
+          var part = bigInt / 10; // draw the small intervals
+
           for (i = 1; i < 10; i++) {
             var subD = Math.round(rulerD + part * i) + 0.5;
+
             if (ctxArr && subD > rulerLen) {
               ctxNum++;
               ctx.stroke();
+
               if (ctxNum >= ctxArrNum) {
                 i = 10;
                 rulerD = totalLen;
                 continue;
               }
+
               ctx = ctxArr[ctxNum];
               rulerD -= limit;
               subD = Math.round(rulerD + part * i) + 0.5;
-            }
+            } // odd lines are slighly longer
+
 
-            // odd lines are slighly longer
             var lineNum = i % 2 ? 12 : 10;
+
             if (isX) {
               ctx.moveTo(subD, 15);
               ctx.lineTo(subD, lineNum);
@@ -27008,24 +29707,26 @@
               ctx.lineTo(lineNum, subD);
             }
           }
+
           rulerD += bigInt;
         }
+
         ctx.strokeStyle = '#000';
         ctx.stroke();
       }
     }
-
     /**
     * @function module:SVGEditor.updateCanvas
     * @param {boolean} center
     * @param {module:math.XYObject} newCtr
     * @returns {undefined}
     */
+
+
     var updateCanvas = editor.updateCanvas = function (center, newCtr) {
       var zoom = svgCanvas.getZoom();
       var wArea = workarea;
       var cnvs = $$b('#svgcanvas');
-
       var w = workarea.width(),
           h = workarea.height();
       var wOrig = w,
@@ -27050,19 +29751,15 @@
       var newCanY = h / 2;
       var newCanX = w / 2;
       var offset = svgCanvas.updateCanvas(w, h);
-
       var ratio = newCanX / oldCanX;
-
       var scrollX = w / 2 - wOrig / 2;
       var scrollY = h / 2 - hOrig / 2;
 
       if (!newCtr) {
         var oldDistX = oldCtr.x - oldCanX;
         var newX = newCanX + oldDistX * ratio;
-
         var oldDistY = oldCtr.y - oldCanY;
         var newY = newCanY + oldDistY * ratio;
-
         newCtr = {
           x: newX,
           y: newY
@@ -27087,32 +29784,37 @@
         wArea[0].scrollLeft = newCtr.x - wOrig / 2;
         wArea[0].scrollTop = newCtr.y - hOrig / 2;
       }
+
       if (curConfig.showRulers) {
         updateRulers(cnvs, zoom);
         workarea.scroll();
       }
+
       if (urldata.storagePrompt !== true && !editor.storagePromptClosed) {
         $$b('#dialog_box').hide();
       }
     };
-
     /**
      * @fires module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate
      * @returns {undefined}
      */
+
+
     var updateToolButtonState = function updateToolButtonState() {
-      var index = void 0,
-          button = void 0;
+      var index, button;
       var bNoFill = svgCanvas.getColor('fill') === 'none';
       var bNoStroke = svgCanvas.getColor('stroke') === 'none';
       var buttonsNeedingStroke = ['#tool_fhpath', '#tool_line'];
       var buttonsNeedingFillAndStroke = ['#tools_rect .tool_button', '#tools_ellipse .tool_button', '#tool_text', '#tool_path'];
+
       if (bNoStroke) {
         for (index in buttonsNeedingStroke) {
           button = buttonsNeedingStroke[index];
+
           if ($$b(button).hasClass('tool_button_current')) {
             clickSelect();
           }
+
           $$b(button).addClass('disabled');
         }
       } else {
@@ -27125,9 +29827,11 @@
       if (bNoStroke && bNoFill) {
         for (index in buttonsNeedingFillAndStroke) {
           button = buttonsNeedingFillAndStroke[index];
+
           if ($$b(button).hasClass('tool_button_current')) {
             clickSelect();
           }
+
           $$b(button).addClass('disabled');
         }
       } else {
@@ -27137,12 +29841,13 @@
         }
       }
 
-      svgCanvas.runExtensions('toolButtonStateUpdate', /** @type {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} */{
+      svgCanvas.runExtensions('toolButtonStateUpdate',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} */
+      {
         nofill: bNoFill,
         nostroke: bNoStroke
-      });
+      }); // Disable flyouts if all inside are disabled
 
-      // Disable flyouts if all inside are disabled
       $$b('.tools_flyout').each(function () {
         var shower = $$b('#' + this.id + '_show');
         var hasEnabled = false;
@@ -27153,26 +29858,27 @@
         });
         shower.toggleClass('disabled', !hasEnabled);
       });
-
       operaRepaint();
-    };
-
-    // Updates the toolbar (colors, opacity, etc) based on the selected element
+    }; // Updates the toolbar (colors, opacity, etc) based on the selected element
     // This function also updates the opacity and id elements that are in the context panel
+
+
     var updateToolbar = function updateToolbar() {
-      var i = void 0,
-          len = void 0;
+      var i, len;
+
       if (selectedElement != null) {
         switch (selectedElement.tagName) {
           case 'use':
           case 'image':
           case 'foreignObject':
             break;
+
           case 'g':
           case 'a':
             // Look for common styles
             var childs = selectedElement.getElementsByTagName('*');
             var gWidth = null;
+
             for (i = 0, len = childs.length; i < len; i++) {
               var swidth = childs[i].getAttribute('stroke-width');
 
@@ -27184,18 +29890,15 @@
             }
 
             $$b('#stroke_width').val(gWidth === null ? '' : gWidth);
-
             paintBox.fill.update(true);
             paintBox.stroke.update(true);
-
             break;
+
           default:
             paintBox.fill.update(true);
             paintBox.stroke.update(true);
-
             $$b('#stroke_width').val(selectedElement.getAttribute('stroke-width') || 1);
             $$b('#stroke_style').val(selectedElement.getAttribute('stroke-dasharray') || 'none');
-
             var attr = selectedElement.getAttribute('stroke-linejoin') || 'miter';
 
             if ($$b('#linejoin_' + attr).length) {
@@ -27207,10 +29910,11 @@
             if ($$b('#linecap_' + attr).length) {
               setStrokeOpt($$b('#linecap_' + attr)[0]);
             }
-        }
-      }
 
-      // All elements including image and group have opacity
+        }
+      } // All elements including image and group have opacity
+
+
       if (selectedElement != null) {
         var opacPerc = (selectedElement.getAttribute('opacity') || 1.0) * 100;
         $$b('#group_opacity').val(opacPerc);
@@ -27220,25 +29924,26 @@
       }
 
       updateToolButtonState();
-    };
+    }; // updates the context panel tools based on the selected element
+
 
-    // updates the context panel tools based on the selected element
     var updateContextPanel = function updateContextPanel() {
-      var elem = selectedElement;
-      // If element has just been deleted, consider it null
+      var elem = selectedElement; // If element has just been deleted, consider it null
+
       if (elem != null && !elem.parentNode) {
         elem = null;
       }
+
       var currentLayerName = svgCanvas.getCurrentDrawing().getCurrentLayerName();
       var currentMode = svgCanvas.getMode();
       var unit = curConfig.baseUnit !== 'px' ? curConfig.baseUnit : null;
-
       var isNode = currentMode === 'pathedit'; // elem ? (elem.id && elem.id.startsWith('pathpointgrip')) : false;
+
       var menuItems = $$b('#cmenu_canvas li');
       $$b('#selected_panel, #multiselected_panel, #g_panel, #rect_panel, #circle_panel,' + '#ellipse_panel, #line_panel, #text_panel, #image_panel, #container_panel,' + ' #use_panel, #a_panel').hide();
+
       if (elem != null) {
-        var elname = elem.nodeName;
-        // If this is a link with no transform and one child, pretend
+        var elname = elem.nodeName; // If this is a link with no transform and one child, pretend
         // its child is selected
         // if (elname === 'a') { // && !$(elem).attr('transform')) {
         //   elem = elem.firstChild;
@@ -27246,7 +29951,6 @@
 
         var angle = svgCanvas.getRotationAngle(elem);
         $$b('#angle').val(angle);
-
         var blurval = svgCanvas.getBlur(elem);
         $$b('#blur').val(blurval);
         $$b('#blur_slider').slider('option', 'value', blurval);
@@ -27255,26 +29959,28 @@
           if (elname === 'image' && svgCanvas.getMode() === 'image') {
             // Prompt for URL if not a data URL
             if (!svgCanvas.getHref(elem).startsWith('data:')) {
-              promptImgURL({ cancelDeletes: true });
+              promptImgURL({
+                cancelDeletes: true
+              });
             }
           }
           /* else if (elname == 'text') {
             // TODO: Do something here for new text
           } */
+
         }
 
         if (!isNode && currentMode !== 'pathedit') {
-          $$b('#selected_panel').show();
-          // Elements in this array already have coord fields
+          $$b('#selected_panel').show(); // Elements in this array already have coord fields
+
           if (['line', 'circle', 'ellipse'].includes(elname)) {
             $$b('#xy_panel').hide();
           } else {
-            var x = void 0,
-                y = void 0;
+            var x, y; // Get BBox vals for g, polyline and path
 
-            // Get BBox vals for g, polyline and path
             if (['g', 'polyline', 'path'].includes(elname)) {
               var bb = svgCanvas.getStrokedBBox([elem]);
+
               if (bb) {
                 x = bb.x;
                 y = bb.y;
@@ -27292,9 +29998,9 @@
             $$b('#selected_x').val(x || 0);
             $$b('#selected_y').val(y || 0);
             $$b('#xy_panel').show();
-          }
+          } // Elements in this array cannot be converted to a path
+
 
-          // Elements in this array cannot be converted to a path
           var noPath = !['image', 'text', 'path', 'g', 'use'].includes(elname);
           $$b('#tool_topath').toggle(noPath);
           $$b('#tool_reorient').toggle(elname === 'path');
@@ -27302,29 +30008,32 @@
         } else {
           var point = path.getNodePoint();
           $$b('#tool_add_subpath').removeClass('push_button_pressed').addClass('tool_button');
-          $$b('#tool_node_delete').toggleClass('disabled', !path.canDeleteNodes);
+          $$b('#tool_node_delete').toggleClass('disabled', !path.canDeleteNodes); // Show open/close button based on selected point
 
-          // Show open/close button based on selected point
           setIcon('#tool_openclose_path', path.closed_subpath ? 'open_path' : 'close_path');
 
           if (point) {
             var segType = $$b('#seg_type');
+
             if (unit) {
               point.x = convertUnit(point.x);
               point.y = convertUnit(point.y);
             }
+
             $$b('#path_node_x').val(point.x);
             $$b('#path_node_y').val(point.y);
+
             if (point.type) {
               segType.val(point.type).removeAttr('disabled');
             } else {
               segType.val(4).attr('disabled', 'disabled');
             }
           }
-          return;
-        }
 
-        // update contextual tools here
+          return;
+        } // update contextual tools here
+
+
         var panels = {
           g: [],
           a: [],
@@ -27336,15 +30045,13 @@
           text: [],
           use: []
         };
-
         var _elem = elem,
-            tagName = _elem.tagName;
-
-        // if ($(elem).data('gsvg')) {
+            tagName = _elem.tagName; // if ($(elem).data('gsvg')) {
         //   $('#g_panel').show();
         // }
 
         var linkHref = null;
+
         if (tagName === 'a') {
           linkHref = svgCanvas.getHref(elem);
           $$b('#g_panel').show();
@@ -27355,9 +30062,9 @@
             $$b('#a_panel').show();
             linkHref = svgCanvas.getHref(elem.parentNode);
           }
-        }
+        } // Hide/show the make_link buttons
+
 
-        // Hide/show the make_link buttons
         $$b('#tool_make_link, #tool_make_link').toggle(!linkHref);
 
         if (linkHref) {
@@ -27366,44 +30073,47 @@
 
         if (panels[tagName]) {
           var curPanel = panels[tagName];
-
           $$b('#' + tagName + '_panel').show();
-
           $$b.each(curPanel, function (i, item) {
             var attrVal = elem.getAttribute(item);
+
             if (curConfig.baseUnit !== 'px' && elem[item]) {
               var bv = elem[item].baseVal.value;
               attrVal = convertUnit(bv);
             }
+
             $$b('#' + tagName + '_' + item).val(attrVal || 0);
           });
 
           if (tagName === 'text') {
             $$b('#text_panel').css('display', 'inline');
             $$b('#tool_font_size').css('display', 'inline');
+
             if (svgCanvas.getItalic()) {
               $$b('#tool_italic').addClass('push_button_pressed').removeClass('tool_button');
             } else {
               $$b('#tool_italic').removeClass('push_button_pressed').addClass('tool_button');
             }
+
             if (svgCanvas.getBold()) {
               $$b('#tool_bold').addClass('push_button_pressed').removeClass('tool_button');
             } else {
               $$b('#tool_bold').removeClass('push_button_pressed').addClass('tool_button');
             }
+
             $$b('#font_family').val(elem.getAttribute('font-family'));
             $$b('#font_size').val(elem.getAttribute('font-size'));
             $$b('#text').val(elem.textContent);
+
             if (svgCanvas.addedNew) {
               // Timeout needed for IE9
               setTimeout(function () {
                 $$b('#text').focus().select();
               }, 100);
-            }
-            // text
+            } // text
+
           } else if (tagName === 'image' && svgCanvas.getMode() === 'image') {
-            setImageURL(svgCanvas.getHref(elem));
-            // image
+            setImageURL(svgCanvas.getHref(elem)); // image
           } else if (tagName === 'g' || tagName === 'use') {
             $$b('#container_panel').show();
             var title = svgCanvas.getTitle();
@@ -27413,27 +30123,25 @@
             $$b('#g_title').prop('disabled', tagName === 'use');
           }
         }
+
         menuItems[(tagName === 'g' ? 'en' : 'dis') + 'ableContextMenuItems']('#ungroup');
-        menuItems[(tagName === 'g' || !multiselected ? 'dis' : 'en') + 'ableContextMenuItems']('#group');
-        // if (elem != null)
+        menuItems[(tagName === 'g' || !multiselected ? 'dis' : 'en') + 'ableContextMenuItems']('#group'); // if (elem != null)
       } else if (multiselected) {
         $$b('#multiselected_panel').show();
         menuItems.enableContextMenuItems('#group').disableContextMenuItems('#ungroup');
       } else {
         menuItems.disableContextMenuItems('#delete,#cut,#copy,#group,#ungroup,#move_front,#move_up,#move_down,#move_back');
-      }
+      } // update history buttons
+
 
-      // update history buttons
       $$b('#tool_undo').toggleClass('disabled', undoMgr.getUndoStackSize() === 0);
       $$b('#tool_redo').toggleClass('disabled', undoMgr.getRedoStackSize() === 0);
-
       svgCanvas.addedNew = false;
 
       if (elem && !isNode || multiselected) {
         // update the selected elements' layer
-        $$b('#selLayerNames').removeAttr('disabled').val(currentLayerName);
+        $$b('#selLayerNames').removeAttr('disabled').val(currentLayerName); // Enable regular menu options
 
-        // Enable regular menu options
         canvMenu.enableContextMenuItems('#delete,#cut,#copy,#move_front,#move_up,#move_down,#move_back');
       } else {
         $$b('#selLayerNames').attr('disabled', 'disabled');
@@ -27454,16 +30162,14 @@
 
     var updateTitle = function updateTitle(title) {
       title = title || svgCanvas.getDocumentTitle();
-      var newTitle = origTitle + (title ? ': ' + title : '');
-
-      // Remove title update with current context info, isn't really necessary
+      var newTitle = origTitle + (title ? ': ' + title : ''); // Remove title update with current context info, isn't really necessary
       // if (curContext) {
       //   new_title = new_title + curContext;
       // }
-      $$b('title:first').text(newTitle);
-    };
 
-    // called when we've selected a different element
+      $$b('title:first').text(newTitle);
+    }; // called when we've selected a different element
+
     /**
     *
     * @param {external:Window} win
@@ -27472,37 +30178,43 @@
     * @fires module:svgcanvas.SvgCanvas#event:ext-selectedChanged
     * @returns {undefined}
     */
+
+
     var selectedChanged = function selectedChanged(win, elems) {
       var mode = svgCanvas.getMode();
+
       if (mode === 'select') {
         setSelectMode();
       }
-      var isNode = mode === 'pathedit';
-      // if elems[1] is present, then we have more than one element
+
+      var isNode = mode === 'pathedit'; // if elems[1] is present, then we have more than one element
+
       selectedElement = elems.length === 1 || elems[1] == null ? elems[0] : null;
       multiselected = elems.length >= 2 && elems[1] != null;
+
       if (selectedElement != null) {
         // unless we're already in always set the mode of the editor to select because
         // upon creation of a text element the editor is switched into
         // select mode and this event fires - we need our UI to be in sync
-
         if (!isNode) {
           updateToolbar();
         }
       } // if (elem != null)
-
       // Deal with pathedit mode
+
+
       togglePathEditMode(isNode, elems);
       updateContextPanel();
-      svgCanvas.runExtensions('selectedChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} */{
+      svgCanvas.runExtensions('selectedChanged',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} */
+      {
         elems: elems,
         selectedElement: selectedElement,
         multiselected: multiselected
       });
-    };
-
-    // Call when part of element is in process of changing, generally
+    }; // Call when part of element is in process of changing, generally
     // on mousemove actions like rotate, move, etc.
+
     /**
      * @param {external:Window} win
      * @param {module:svgcanvas.SvgCanvas#event:transition} elems
@@ -27510,6 +30222,8 @@
      * @fires module:svgcanvas.SvgCanvas#event:ext-elementTransition
      * @returns {undefined}
      */
+
+
     var elementTransition = function elementTransition(win, elems) {
       var mode = svgCanvas.getMode();
       var elem = elems[0];
@@ -27518,8 +30232,8 @@
         return;
       }
 
-      multiselected = elems.length >= 2 && elems[1] != null;
-      // Only updating fields for single elements for now
+      multiselected = elems.length >= 2 && elems[1] != null; // Only updating fields for single elements for now
+
       if (!multiselected) {
         switch (mode) {
           case 'rotate':
@@ -27527,28 +30241,30 @@
             $$b('#angle').val(ang);
             $$b('#tool_reorient').toggleClass('disabled', ang === 0);
             break;
-
           // TODO: Update values that change on move/resize, etc
           // case 'select':
           // case 'resize':
           //   break;
         }
       }
-      svgCanvas.runExtensions('elementTransition', /** @type {module:svgcanvas.SvgCanvas#event:ext-elementTransition} */{
+
+      svgCanvas.runExtensions('elementTransition',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-elementTransition} */
+      {
         elems: elems
       });
     };
-
     /**
      * Test whether an element is a layer or not.
      * @param {SVGGElement} elem - The SVGGElement to test.
      * @returns {boolean} True if the element is a layer
      */
+
+
     function isLayer(elem) {
       return elem && elem.tagName === 'g' && Layer.CLASS_REGEX.test(elem.getAttribute('class'));
-    }
+    } // called when any element has changed
 
-    // called when any element has changed
     /**
      * @param {external:Window} win
      * @param {module:svgcanvas.SvgCanvas#event:changed} elems
@@ -27556,60 +30272,61 @@
      * @fires module:svgcanvas.SvgCanvas#event:ext-elementChanged
      * @returns {undefined}
      */
+
+
     var elementChanged = function elementChanged(win, elems) {
       var mode = svgCanvas.getMode();
+
       if (mode === 'select') {
         setSelectMode();
       }
 
       for (var _i = 0; _i < elems.length; ++_i) {
         var elem = elems[_i];
-
         var isSvgElem = elem && elem.tagName === 'svg';
+
         if (isSvgElem || isLayer(elem)) {
-          populateLayers();
-          // if the element changed was the svg, then it could be a resolution change
+          populateLayers(); // if the element changed was the svg, then it could be a resolution change
+
           if (isSvgElem) {
             updateCanvas();
-          }
-          // Update selectedElement if element is no longer part of the image.
+          } // Update selectedElement if element is no longer part of the image.
           // This occurs for the text elements in Firefox
+
         } else if (elem && selectedElement && selectedElement.parentNode == null) {
           // || elem && elem.tagName == "path" && !multiselected) { // This was added in r1430, but not sure why
           selectedElement = elem;
         }
       }
 
-      editor.showSaveWarning = true;
-
-      // we update the contextual panel with potentially new
+      editor.showSaveWarning = true; // we update the contextual panel with potentially new
       // positional/sizing information (we DON'T want to update the
       // toolbar here as that creates an infinite loop)
       // also this updates the history buttons
-
       // we tell it to skip focusing the text control if the
       // text element was previously in focus
-      updateContextPanel();
 
-      // In the event a gradient was flipped:
+      updateContextPanel(); // In the event a gradient was flipped:
+
       if (selectedElement && mode === 'select') {
         paintBox.fill.update();
         paintBox.stroke.update();
       }
 
-      svgCanvas.runExtensions('elementChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-elementChanged} */{
+      svgCanvas.runExtensions('elementChanged',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-elementChanged} */
+      {
         elems: elems
       });
     };
-
     /**
      * @returns {undefined}
      */
-    var zoomDone = function zoomDone() {
-      updateWireFrame();
-      // updateCanvas(); // necessary?
-    };
 
+
+    var zoomDone = function zoomDone() {
+      updateWireFrame(); // updateCanvas(); // necessary?
+    };
     /**
     * @typedef {PlainObject} module:SVGEditor.BBoxObjectWithFactor (like `DOMRect`)
     * @property {Float} x
@@ -27629,21 +30346,26 @@
     * @listens module:svgcanvas.SvgCanvas#event:zoomed
     * @returns {undefined}
     */
+
+
     var zoomChanged = svgCanvas.zoomChanged = function (win, bbox, autoCenter) {
       var scrbar = 15,
+          // res = svgCanvas.getResolution(), // Currently unused
+      wArea = workarea; // const canvasPos = $('#svgcanvas').position(); // Currently unused
 
-      // res = svgCanvas.getResolution(), // Currently unused
-      wArea = workarea;
-      // const canvasPos = $('#svgcanvas').position(); // Currently unused
       var zInfo = svgCanvas.setBBoxZoom(bbox, wArea.width() - scrbar, wArea.height() - scrbar);
+
       if (!zInfo) {
         return;
       }
+
       var zoomlevel = zInfo.zoom,
           bb = zInfo.bbox;
 
       if (zoomlevel < 0.001) {
-        changeZoom({ value: 0.1 });
+        changeZoom({
+          value: 0.1
+        });
         return;
       }
 
@@ -27652,7 +30374,10 @@
       if (autoCenter) {
         updateCanvas();
       } else {
-        updateCanvas(false, { x: bb.x * zoomlevel + bb.width * zoomlevel / 2, y: bb.y * zoomlevel + bb.height * zoomlevel / 2 });
+        updateCanvas(false, {
+          x: bb.x * zoomlevel + bb.width * zoomlevel / 2,
+          y: bb.y * zoomlevel + bb.height * zoomlevel / 2
+        });
       }
 
       if (svgCanvas.getMode() === 'zoom' && bb.width) {
@@ -27665,13 +30390,14 @@
 
     var changeZoom = function changeZoom(ctl) {
       var zoomlevel = ctl.value / 100;
+
       if (zoomlevel < 0.001) {
         ctl.value = 0.1;
         return;
       }
+
       var zoom = svgCanvas.getZoom();
       var wArea = workarea;
-
       zoomChanged(window, {
         width: 0,
         height: 0,
@@ -27684,30 +30410,33 @@
 
     $$b('#cur_context_panel').delegate('a', 'click', function () {
       var link = $$b(this);
+
       if (link.attr('data-root')) {
         svgCanvas.leaveContext();
       } else {
         svgCanvas.setContext(link.text());
       }
+
       svgCanvas.clearSelection();
       return false;
     });
-
     /**
      * @param {external:Window} win
      * @param {module:svgcanvas.SvgCanvas#event:contextset} context
      * @listens module:svgcanvas.SvgCanvas#event:contextset
      * @returns {undefined}
      */
+
     var contextChanged = function contextChanged(win, context) {
       var linkStr = '';
+
       if (context) {
         var _str2 = '';
         linkStr = '<a href="#" data-root="y">' + svgCanvas.getCurrentDrawing().getCurrentLayerName() + '</a>';
-
         $$b(context).parentsUntil('#svgcontent > g').andSelf().each(function () {
           if (this.id) {
             _str2 += ' > ' + this.id;
+
             if (this !== context) {
               linkStr += ' > <a href="#">' + this.id + '</a>';
             } else {
@@ -27715,17 +30444,16 @@
             }
           }
         });
-
         curContext = _str2;
       } else {
         curContext = null;
       }
+
       $$b('#cur_context_panel').toggle(!!context).html(linkStr);
-
       updateTitle();
-    };
+    }; // Makes sure the current selected paint is available to work with
+
 
-    // Makes sure the current selected paint is available to work with
     var prepPaints = function prepPaints() {
       paintBox.fill.prep();
       paintBox.stroke.prep();
@@ -27736,6 +30464,7 @@
     var setFlyoutTitles = function setFlyoutTitles() {
       $$b('.tools_flyout').each(function () {
         var shower = $$b('#' + this.id + '_show');
+
         if (shower.data('isLibrary')) {
           return;
         }
@@ -27752,6 +30481,7 @@
      * @param {Object.<string, module:SVGEditor.ToolButton>} holders Key is a selector
      * @returns {undefined}
      */
+
     var setupFlyouts = function setupFlyouts(holders) {
       $$b.each(holders, function (holdSel, btnOpts) {
         var _allHolders$holdSel;
@@ -27759,7 +30489,8 @@
         if (!allHolders[holdSel]) {
           allHolders[holdSel] = [];
         }
-        (_allHolders$holdSel = allHolders[holdSel]).push.apply(_allHolders$holdSel, toConsumableArray(btnOpts));
+
+        (_allHolders$holdSel = allHolders[holdSel]).push.apply(_allHolders$holdSel, _toConsumableArray(btnOpts));
 
         var buttons = $$b(holdSel).children().not('.tool_button_evt_handled');
         var showSel = holdSel + '_show';
@@ -27771,17 +30502,15 @@
           var idSel = '#' + this.getAttribute('id');
 
           var _Object$entries$find = Object.entries(btnOpts).find(function (_ref10) {
-            var _ref11 = slicedToArray(_ref10, 2),
+            var _ref11 = _slicedToArray(_ref10, 2),
                 i = _ref11[0],
                 sel = _ref11[1].sel;
 
             return sel === idSel;
           }),
-              _Object$entries$find2 = slicedToArray(_Object$entries$find, 2),
+              _Object$entries$find2 = _slicedToArray(_Object$entries$find, 2),
               i = _Object$entries$find2[0],
-              opts = _Object$entries$find2[1];
-
-          // Remember the function that goes with this ID
+              opts = _Object$entries$find2[1]; // Remember the function that goes with this ID
 
 
           flyoutFuncs[opts.sel] = opts.fn;
@@ -27789,44 +30518,51 @@
           if (opts.isDefault) {
             def = i;
           }
-
           /**
            * Clicking the icon in flyout should set this set's icon
            * @param {Event} ev
            * @returns {undefined}
            */
+
+
           var flyoutAction = function flyoutAction(ev) {
-            var options = opts;
-            // Find the currently selected tool if comes from keystroke
+            var options = opts; // Find the currently selected tool if comes from keystroke
+
             if (ev.type === 'keydown') {
               var flyoutIsSelected = $$b(options.parent + '_show').hasClass('tool_button_current');
               var currentOperation = $$b(options.parent + '_show').attr('data-curopt');
               Object.entries(holders[opts.parent]).some(function (_ref12) {
-                var _ref13 = slicedToArray(_ref12, 2),
+                var _ref13 = _slicedToArray(_ref12, 2),
                     i = _ref13[0],
                     tool = _ref13[1];
 
                 if (tool.sel !== currentOperation) {
                   return;
                 }
+
                 if (!ev.shiftKey || !flyoutIsSelected) {
                   options = tool;
                 } else {
                   // If flyout is selected, allow shift key to iterate through subitems
-                  i = parseInt(i, 10);
-                  // Use `allHolders` to include both extension `includeWith` and toolbarButtons
+                  i = parseInt(i, 10); // Use `allHolders` to include both extension `includeWith` and toolbarButtons
+
                   options = allHolders[opts.parent][i + 1] || holders[opts.parent][0];
                 }
+
                 return true;
               });
             }
+
             if ($$b(this).hasClass('disabled')) {
               return false;
             }
+
             if (toolButtonClick(showSel)) {
               options.fn();
             }
-            var icon = void 0;
+
+            var icon;
+
             if (options.icon) {
               icon = $$b.getSvgIcon(options.icon, true);
             } else {
@@ -27853,14 +30589,14 @@
           shower.attr('data-curopt', btnOpts[0].sel);
         }
 
-        var timer = void 0;
-        var pos = $$b(showSel).position();
+        var timer;
+        var pos = $$b(showSel).position(); // Clicking the "show" icon should set the current mode
 
-        // Clicking the "show" icon should set the current mode
         shower.mousedown(function (evt) {
           if (shower.hasClass('disabled')) {
             return false;
           }
+
           var holder = $$b(holdSel);
           var l = pos.left + 34;
           var w = holder.width() * -1;
@@ -27874,22 +30610,23 @@
             } else {
               holder.css('left', l).show();
             }
+
             holder.data('shown_popop', true);
           }, time);
           evt.preventDefault();
         }).mouseup(function (evt) {
           clearTimeout(timer);
-          var opt = $$b(this).attr('data-curopt');
-          // Is library and popped up, so do nothing
+          var opt = $$b(this).attr('data-curopt'); // Is library and popped up, so do nothing
+
           if (shower.data('isLibrary') && $$b(showSel.replace('_show', '')).is(':visible')) {
             toolButtonClick(showSel, true);
             return;
           }
+
           if (toolButtonClick(showSel) && flyoutFuncs[opt]) {
             flyoutFuncs[opt]();
           }
-        });
-        // $('#tools_rect').mouseleave(function () { $('#tools_rect').fadeOut(); });
+        }); // $('#tools_rect').mouseleave(function () { $('#tools_rect').fadeOut(); });
       });
       setFlyoutTitles();
       setFlyoutPositions();
@@ -27900,46 +30637,51 @@
         class: 'tools_flyout',
         id: id
       }).appendTo('#svg_editor').append(child);
-
       return div;
-    };
+    }; // TODO: Combine this with addDropDown or find other way to optimize
+
 
-    // TODO: Combine this with addDropDown or find other way to optimize
     var addAltDropDown = function addAltDropDown(elem, list, callback, opts) {
       var button = $$b(elem);
       var dropUp = opts.dropUp;
-
       list = $$b(list);
+
       if (dropUp) {
         $$b(elem).addClass('dropup');
       }
+
       list.find('li').bind('mouseup', function () {
         if (opts.seticon) {
           setIcon('#cur_' + button[0].id, $$b(this).children());
           $$b(this).addClass('current').siblings().removeClass('current');
         }
+
         callback.apply(this, arguments);
       });
-
       var onButton = false;
       $$b(window).mouseup(function (evt) {
         if (!onButton) {
           button.removeClass('down');
           list.hide();
-          list.css({ top: 0, left: 0 });
+          list.css({
+            top: 0,
+            left: 0
+          });
         }
-        onButton = false;
-      });
 
-      // const height = list.height(); // Currently unused
+        onButton = false;
+      }); // const height = list.height(); // Currently unused
+
       button.bind('mousedown', function () {
         var off = button.offset();
+
         if (dropUp) {
           off.top -= list.height();
           off.left += 8;
         } else {
           off.top += button.height();
         }
+
         list.offset(off);
 
         if (!button.hasClass('down')) {
@@ -27948,8 +30690,12 @@
         } else {
           // CSS position must be reset for Webkit
           list.hide();
-          list.css({ top: 0, left: 0 });
+          list.css({
+            top: 0,
+            left: 0
+          });
         }
+
         button.toggleClass('down');
       }).hover(function () {
         onButton = true;
@@ -27971,10 +30717,12 @@
      * @listens module:svgcanvas.SvgCanvas#event:extension_added
      * @returns {Promise} Resolves to `undefined`
      */
+
     var extAdded = function extAdded(win, ext) {
       if (!ext) {
         return;
       }
+
       var cbCalled = false;
       var resizeDone = false;
 
@@ -27985,7 +30733,10 @@
           ext.langReady({
             lang: lang,
             uiStrings: uiStrings$1,
-            importLocale: getImportLocale({ defaultLang: lang, defaultName: ext.name })
+            importLocale: getImportLocale({
+              defaultLang: lang,
+              defaultName: ext.name
+            })
           });
         } else {
           extsPreLang.push(ext);
@@ -27997,6 +30748,7 @@
           clearTimeout(resizeTimer);
           resizeTimer = null;
         }
+
         if (!resizeDone) {
           resizeTimer = setTimeout(function () {
             resizeDone = true;
@@ -28013,7 +30765,6 @@
       };
 
       var btnSelects = [];
-
       /**
       * @typedef {PlainObject} module:SVGEditor.ContextTool
       * @property {string} panel The ID of the existing panel to which the tool is being added. Required.
@@ -28029,55 +30780,60 @@
       * @property {Integer} [size] Value of the "size" attribute of the tool input
       * @property {module:jQuerySpinButton.SpinButtonConfig} [spindata] When added to a tool of type "input", this tool becomes a "spinner" which allows the number to be in/decreased.
       */
+
       if (ext.context_tools) {
         $$b.each(ext.context_tools, function (i, tool) {
           // Add select tool
           var contId = tool.container_id ? ' id="' + tool.container_id + '"' : '';
+          var panel = $$b('#' + tool.panel); // create the panel if it doesn't exist
 
-          var panel = $$b('#' + tool.panel);
-          // create the panel if it doesn't exist
           if (!panel.length) {
-            panel = $$b('<div>', { id: tool.panel }).appendTo('#tools_top');
+            panel = $$b('<div>', {
+              id: tool.panel
+            }).appendTo('#tools_top');
           }
 
-          var html = void 0;
-          // TODO: Allow support for other types, or adding to existing tool
+          var html; // TODO: Allow support for other types, or adding to existing tool
+
           switch (tool.type) {
             case 'tool_button':
               html = '<div class="tool_button">' + tool.id + '</div>';
               var div = $$b(html).appendTo(panel);
+
               if (tool.events) {
                 $$b.each(tool.events, function (evt, func) {
                   $$b(div).bind(evt, func);
                 });
               }
+
               break;
+
             case 'select':
               html = '<label' + contId + '>' + '<select id="' + tool.id + '">';
               $$b.each(tool.options, function (val, text) {
                 var sel = val === tool.defval ? ' selected' : '';
                 html += '<option value="' + val + '"' + sel + '>' + text + '</option>';
               });
-              html += '</select></label>';
-              // Creates the tool, hides & adds it, returns the select element
-              var sel = $$b(html).appendTo(panel).find('select');
+              html += '</select></label>'; // Creates the tool, hides & adds it, returns the select element
 
+              var sel = $$b(html).appendTo(panel).find('select');
               $$b.each(tool.events, function (evt, func) {
                 $$b(sel).bind(evt, func);
               });
               break;
+
             case 'button-select':
               html = '<div id="' + tool.id + '" class="dropdown toolset" title="' + tool.title + '">' + '<div id="cur_' + tool.id + '" class="icon_label"></div><button></button></div>';
-
               var list = $$b('<ul id="' + tool.id + '_opts"></ul>').appendTo('#option_lists');
 
               if (tool.colnum) {
                 list.addClass('optcols' + tool.colnum);
-              }
+              } // Creates the tool, hides & adds it, returns the select element
 
-              // Creates the tool, hides & adds it, returns the select element
-              /* const dropdown = */$$b(html).appendTo(panel).children();
+              /* const dropdown = */
 
+
+              $$b(html).appendTo(panel).children();
               btnSelects.push({
                 elem: '#' + tool.id,
                 list: '#' + tool.id + '_opts',
@@ -28085,14 +30841,12 @@
                 callback: tool.events.change,
                 cur: '#cur_' + tool.id
               });
-
               break;
+
             case 'input':
-              html = '<label' + contId + '>' + '<span id="' + tool.id + '_label">' + tool.label + ':</span>' + '<input id="' + tool.id + '" title="' + tool.title + '" size="' + (tool.size || '4') + '" value="' + (tool.defval || '') + '" type="text"/></label>';
-
-              // Creates the tool, hides & adds it, returns the select element
-
+              html = '<label' + contId + '>' + '<span id="' + tool.id + '_label">' + tool.label + ':</span>' + '<input id="' + tool.id + '" title="' + tool.title + '" size="' + (tool.size || '4') + '" value="' + (tool.defval || '') + '" type="text"/></label>'; // Creates the tool, hides & adds it, returns the select element
               // Add to given tool.panel
+
               var inp = $$b(html).appendTo(panel).find('input');
 
               if (tool.spindata) {
@@ -28104,6 +30858,7 @@
                   inp.bind(evt, func);
                 });
               }
+
               break;
 
             default:
@@ -28118,16 +30873,17 @@
         var fallbackObj = {},
             placementObj = {},
             holders = {};
-
         /**
         * @typedef {GenericArray} module:SVGEditor.KeyArray
         * @property {string} 0 The key to bind (on `keydown`)
         * @property {boolean} 1 Whether to `preventDefault` on the `keydown` event
         * @property {boolean} 2 Not apparently in use (NoDisableInInput)
         */
+
         /**
          * @typedef {string|module:SVGEditor.KeyArray} module:SVGEditor.Key
          */
+
         /**
         * @typedef {PlainObject} module:SVGEditor.Button
         * @property {string} id A unique identifier for this button. If SVG icons are used, this must match the ID used in the icon file. Required.
@@ -28147,21 +30903,25 @@
         * @property {module:SVGEditor.Key} [key] The key to bind to the button
         */
         // Add buttons given by extension
-        $$b.each(ext.buttons, function (i, /** @type {module:SVGEditor.Button} */btn) {
-          var id = btn.id;
 
-          var num = i;
-          // Give button a unique ID
+        $$b.each(ext.buttons, function (i,
+        /** @type {module:SVGEditor.Button} */
+        btn) {
+          var id = btn.id;
+          var num = i; // Give button a unique ID
+
           while ($$b('#' + id).length) {
             id = btn.id + '_' + ++num;
           }
 
-          var icon = void 0;
+          var icon;
+
           if (!svgicons) {
             icon = $$b('<img src="' + btn.icon + '">');
           } else {
             fallbackObj[id] = btn.icon;
             var svgicon = btn.svgicon || btn.id;
+
             if (btn.type === 'app_menu') {
               placementObj['#' + id + ' > div'] = svgicon;
             } else {
@@ -28169,34 +30929,36 @@
             }
           }
 
-          var cls = void 0,
-              parent = void 0;
+          var cls, parent; // Set button up according to its type
 
-          // Set button up according to its type
           switch (btn.type) {
             case 'mode_flyout':
             case 'mode':
               cls = 'tool_button';
               parent = '#tools_left';
               break;
+
             case 'context':
               cls = 'tool_button';
-              parent = '#' + btn.panel;
-              // create the panel if it doesn't exist
+              parent = '#' + btn.panel; // create the panel if it doesn't exist
+
               if (!$$b(parent).length) {
-                $$b('<div>', { id: btn.panel }).appendTo('#tools_top');
+                $$b('<div>', {
+                  id: btn.panel
+                }).appendTo('#tools_top');
               }
+
               break;
+
             case 'app_menu':
               cls = '';
               parent = '#main_menu ul';
               break;
           }
-          var flyoutHolder = void 0,
-              showBtn = void 0,
-              refData = void 0,
-              refBtn = void 0;
+
+          var flyoutHolder, showBtn, refData, refBtn;
           var button = $$b(btn.list || btn.type === 'app_menu' ? '<li/>' : '<div/>').attr('id', id).attr('title', btn.title).addClass(cls);
+
           if (!btn.includeWith && !btn.list) {
             if ('position' in btn) {
               if ($$b(parent).children().eq(btn.position).length) {
@@ -28213,29 +30975,30 @@
               // const opts = btn.includeWith;
               // // opts.button, default, position
               refBtn = $$b(button);
+              flyoutHolder = refBtn.parent(); // Create a flyout menu if there isn't one already
+
+              var tlsId;
 
-              flyoutHolder = refBtn.parent();
-              // Create a flyout menu if there isn't one already
-              var tlsId = void 0;
               if (!refBtn.parent().hasClass('tools_flyout')) {
                 // Create flyout placeholder
                 tlsId = refBtn[0].id.replace('tool_', 'tools_');
-                showBtn = refBtn.clone().attr('id', tlsId + '_show').append($$b('<div>', { class: 'flyout_arrow_horiz' }));
+                showBtn = refBtn.clone().attr('id', tlsId + '_show').append($$b('<div>', {
+                  class: 'flyout_arrow_horiz'
+                }));
+                refBtn.before(showBtn); // Create a flyout div
 
-                refBtn.before(showBtn);
-
-                // Create a flyout div
                 flyoutHolder = makeFlyoutHolder(tlsId, refBtn);
                 flyoutHolder.data('isLibrary', true);
                 showBtn.data('isLibrary', true);
-              }
-              // refData = Actions.getButtonData(opts.button);
+              } // refData = Actions.getButtonData(opts.button);
 
-              placementObj['#' + tlsId + '_show'] = btn.id;
-              // TODO: Find way to set the current icon using the iconloader if this is not default
 
+              placementObj['#' + tlsId + '_show'] = btn.id; // TODO: Find way to set the current icon using the iconloader if this is not default
               // Include data for extension button as well as ref button
-              /* curH = */holders['#' + flyoutHolder[0].id] = [{
+
+              /* curH = */
+
+              holders['#' + flyoutHolder[0].id] = [{
                 sel: '#' + id,
                 fn: btn.events.click,
                 icon: btn.id,
@@ -28262,27 +31025,31 @@
             // Add button to list
             button.addClass('push_button');
             $$b('#' + btn.list + '_opts').append(button);
+
             if (btn.isDefault) {
               $$b('#cur_' + btn.list).append(button.children().clone());
+
               var _svgicon = btn.svgicon || btn.id;
+
               placementObj['#cur_' + btn.list] = _svgicon;
             }
           } else if (btn.includeWith) {
             // Add to flyout menu / make flyout menu
-            var opts = btn.includeWith;
-            // opts.button, default, position
-            refBtn = $$b(opts.button);
+            var opts = btn.includeWith; // opts.button, default, position
+
+            refBtn = $$b(opts.button);
+            flyoutHolder = refBtn.parent(); // Create a flyout menu if there isn't one already
+
+            var _tlsId;
 
-            flyoutHolder = refBtn.parent();
-            // Create a flyout menu if there isn't one already
-            var _tlsId = void 0;
             if (!refBtn.parent().hasClass('tools_flyout')) {
               // Create flyout placeholder
               _tlsId = refBtn[0].id.replace('tool_', 'tools_');
-              showBtn = refBtn.clone().attr('id', _tlsId + '_show').append($$b('<div>', { class: 'flyout_arrow_horiz' }));
+              showBtn = refBtn.clone().attr('id', _tlsId + '_show').append($$b('<div>', {
+                class: 'flyout_arrow_horiz'
+              }));
+              refBtn.before(showBtn); // Create a flyout div
 
-              refBtn.before(showBtn);
-              // Create a flyout div
               flyoutHolder = makeFlyoutHolder(_tlsId, refBtn);
             }
 
@@ -28290,24 +31057,21 @@
 
             if (opts.isDefault) {
               placementObj['#' + _tlsId + '_show'] = btn.id;
-            }
-            // TODO: Find way to set the current icon using the iconloader if this is not default
-
+            } // TODO: Find way to set the current icon using the iconloader if this is not default
             // Include data for extension button as well as ref button
+
+
             var curH = holders['#' + flyoutHolder[0].id] = [{
               sel: '#' + id,
               fn: btn.events.click,
               icon: btn.id,
               key: btn.key,
               isDefault: Boolean(btn.includeWith && btn.includeWith.isDefault)
-            }, refData];
-
-            // {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}
+            }, refData]; // {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}
 
             var pos = 'position' in opts ? opts.position : 'last';
-            var len = flyoutHolder.children().length;
+            var len = flyoutHolder.children().length; // Add at given position or end
 
-            // Add at given position or end
             if (!isNaN(pos) && pos >= 0 && pos < len) {
               flyoutHolder.children().eq(pos).before(button);
             } else {
@@ -28333,8 +31097,10 @@
                     }
                   });
                 }
+
                 if (btn.key) {
                   $$b(document).bind('keydown', btn.key, func);
+
                   if (btn.title) {
                     button.attr('title', btn.title + ' [' + btn.key + ']');
                   }
@@ -28347,15 +31113,17 @@
 
           setupFlyouts(holders);
         });
-
         $$b.each(btnSelects, function () {
-          addAltDropDown(this.elem, this.list, this.callback, { seticon: true });
+          addAltDropDown(this.elem, this.list, this.callback, {
+            seticon: true
+          });
         });
 
         if (svgicons) {
           return new Promise(function (resolve, reject) {
             $$b.svgIcons(svgicons, {
-              w: 24, h: 24,
+              w: 24,
+              h: 24,
               id_match: false,
               no_img: !isWebkit(),
               fallback: fallbackObj,
@@ -28366,6 +31134,7 @@
                 if ($$b.pref('iconsize') !== 'm') {
                   prepResize();
                 }
+
                 runCallback();
                 resolve();
               }
@@ -28373,32 +31142,38 @@
           });
         }
       }
+
       return runCallback();
     };
 
     var getPaint = function getPaint(color, opac, type) {
       // update the editor's fill paint
-      var opts = { alpha: opac };
+      var opts = {
+        alpha: opac
+      };
+
       if (color.startsWith('url(#')) {
         var refElem = svgCanvas.getRefElem(color);
+
         if (refElem) {
           refElem = refElem.cloneNode(true);
         } else {
           refElem = $$b('#' + type + '_color defs *')[0];
         }
+
         opts[refElem.tagName] = refElem;
       } else if (color.startsWith('#')) {
         opts.solidColor = color.substr(1);
       } else {
         opts.solidColor = 'none';
       }
+
       return new $$b.jGraduate.Paint(opts);
-    };
-
-    // $('#text').focus(function () { textBeingEntered = true; });
+    }; // $('#text').focus(function () { textBeingEntered = true; });
     // $('#text').blur(function () { textBeingEntered = false; });
-
     // bind the selected event to our function that handles updates to the UI
+
+
     svgCanvas.bind('selected', selectedChanged);
     svgCanvas.bind('transition', elementTransition);
     svgCanvas.bind('changed', elementChanged);
@@ -28409,15 +31184,18 @@
         // Ignore Chrome
         return;
       }
+
       var exportWindowName = data.exportWindowName;
 
       if (exportWindowName) {
         exportWindow = window.open('', exportWindowName); // A hack to get the window via JSON-able name without opening a new one
       }
+
       if (!exportWindow || exportWindow.closed) {
         $$b.alert(uiStrings$1.notification.popupWindowBlocked);
         return;
       }
+
       exportWindow.location.href = data.output;
     });
     svgCanvas.bind('zoomed', zoomChanged);
@@ -28433,22 +31211,20 @@
     function (win, _ref14) {
       var center = _ref14.center,
           newCtr = _ref14.newCtr;
-
       updateCanvas(center, newCtr);
     });
     svgCanvas.bind('contextset', contextChanged);
     svgCanvas.bind('extension_added', extAdded);
     svgCanvas.textActions.setInputElem($$b('#text')[0]);
-
     var str = '<div class="palette_item" data-rgb="none"></div>';
     $$b.each(palette, function (i, item) {
       str += '<div class="palette_item" style="background-color: ' + item + ';" data-rgb="' + item + '"></div>';
     });
-    $$b('#palette').append(str);
-
-    // Set up editor background functionality
+    $$b('#palette').append(str); // Set up editor background functionality
     // TODO add checkerboard as "pattern"
+
     var colorBlocks = ['#FFF', '#888', '#000']; // ,'url(data:image/gif;base64,R0lGODlhEAAQAIAAAP%2F%2F%2F9bW1iH5BAAAAAAALAAAAAAQABAAAAIfjG%2Bgq4jM3IFLJgpswNly%2FXkcBpIiVaInlLJr9FZWAQA7)'];
+
     str = '';
     $$b.each(colorBlocks, function () {
       str += '<div class="color_block" style="background-color:' + this + ';"></div>';
@@ -28463,9 +31239,7 @@
         $$b(this).addClass(curBg);
       });
     });
-
     setBackground($$b.pref('bkgd_color'), $$b.pref('bkgd_url'));
-
     $$b('#image_save_opts input').val([$$b.pref('img_save')]);
 
     var changeRectRadius = function changeRectRadius(ctl) {
@@ -28478,9 +31252,11 @@
 
     var changeStrokeWidth = function changeStrokeWidth(ctl) {
       var val = ctl.value;
+
       if (val === 0 && selectedElement && ['line', 'polyline'].includes(selectedElement.nodeName)) {
         val = ctl.value = 1;
       }
+
       svgCanvas.setStrokeWidth(val);
     };
 
@@ -28493,10 +31269,13 @@
       if (val == null) {
         val = ctl.value;
       }
+
       $$b('#group_opacity').val(val);
+
       if (!ctl || !ctl.handle) {
         $$b('#opac_slider').slider('option', 'value', val);
       }
+
       svgCanvas.setOpacity(val / 100);
     };
 
@@ -28504,12 +31283,15 @@
       if (val == null) {
         val = ctl.value;
       }
+
       $$b('#blur').val(val);
       var complete = false;
+
       if (!ctl || !ctl.handle) {
         $$b('#blur_slider').slider('option', 'value', val);
         complete = true;
       }
+
       if (noUndo) {
         svgCanvas.setBlurNoUndo(val);
       } else {
@@ -28521,31 +31303,31 @@
       svgCanvas.setStrokeAttr('stroke-dasharray', $$b(this).val());
       operaRepaint();
     });
-
     $$b('#stroke_linejoin').change(function () {
       svgCanvas.setStrokeAttr('stroke-linejoin', $$b(this).val());
       operaRepaint();
-    });
+    }); // Lose focus for select elements when changed (Allows keyboard shortcuts to work better)
 
-    // Lose focus for select elements when changed (Allows keyboard shortcuts to work better)
     $$b('select').change(function () {
       $$b(this).blur();
-    });
+    }); // fired when user wants to move elements to another layer
 
-    // fired when user wants to move elements to another layer
     var promptMoveLayerOnce = false;
     $$b('#selLayerNames').change(function () {
       var destLayer = this.options[this.selectedIndex].value;
       var confirmStr = uiStrings$1.notification.QmoveElemsToLayer.replace('%s', destLayer);
+
       var moveToLayer = function moveToLayer(ok) {
         if (!ok) {
           return;
         }
+
         promptMoveLayerOnce = true;
         svgCanvas.moveSelectedToLayer(destLayer);
         svgCanvas.clearSelection();
         populateLayers();
       };
+
       if (destLayer) {
         if (promptMoveLayerOnce) {
           moveToLayer(true);
@@ -28554,23 +31336,18 @@
         }
       }
     });
-
     $$b('#font_family').change(function () {
       svgCanvas.setFontFamily(this.value);
     });
-
     $$b('#seg_type').change(function () {
       svgCanvas.setSegType($$b(this).val());
     });
-
     $$b('#text').bind('keyup input', function () {
       svgCanvas.setTextContent(this.value);
     });
-
     $$b('#image_url').change(function () {
       setImageURL(this.value);
     });
-
     $$b('#link_url').change(function () {
       if (this.value.length) {
         svgCanvas.setLinkURL(this.value);
@@ -28578,11 +31355,9 @@
         svgCanvas.removeHyperlink();
       }
     });
-
     $$b('#g_title').change(function () {
       svgCanvas.setGroupTitle(this.value);
     });
-
     $$b('.attr_changer').change(function () {
       var attr = this.getAttribute('data-attr');
       var val = this.value;
@@ -28599,17 +31374,16 @@
           val = svgCanvas.convertToNum(attr, val);
         } else if (curConfig.baseUnit !== 'px') {
           // Convert unitless value to one with given unit
-
           var unitData = getTypeMap();
 
           if (selectedElement[attr] || svgCanvas.getMode() === 'pathedit' || attr === 'x' || attr === 'y') {
             val *= unitData[curConfig.baseUnit];
           }
         }
-      }
-
-      // if the user is changing the id, then de-select the element first
+      } // if the user is changing the id, then de-select the element first
       // change the ID, then re-select it with the new ID
+
+
       if (attr === 'id') {
         var elem = selectedElement;
         svgCanvas.clearSelection();
@@ -28618,28 +31392,29 @@
       } else {
         svgCanvas.changeSelectedAttribute(attr, val);
       }
-      this.blur();
-    });
 
-    // Prevent selection of elements when shift-clicking
+      this.blur();
+    }); // Prevent selection of elements when shift-clicking
+
     $$b('#palette').mouseover(function () {
       var inp = $$b('<input type="hidden">');
       $$b(this).append(inp);
       inp.focus().remove();
     });
-
     $$b('.palette_item').mousedown(function (evt) {
       // shift key or right click for stroke
       var picker = evt.shiftKey || evt.button === 2 ? 'stroke' : 'fill';
       var color = $$b(this).data('rgb');
-      var paint = void 0;
+      var paint; // Webkit-based browsers returned 'initial' here for no stroke
 
-      // Webkit-based browsers returned 'initial' here for no stroke
       if (color === 'none' || color === 'transparent' || color === 'initial') {
         color = 'none';
         paint = new $$b.jGraduate.Paint();
       } else {
-        paint = new $$b.jGraduate.Paint({ alpha: 100, solidColor: color.substr(1) });
+        paint = new $$b.jGraduate.Paint({
+          alpha: 100,
+          solidColor: color.substr(1)
+        });
       }
 
       paintBox[picker].setPaint(paint);
@@ -28648,23 +31423,21 @@
       if (color !== 'none' && svgCanvas.getPaintOpacity(picker) !== 1) {
         svgCanvas.setPaintOpacity(picker, 1.0);
       }
+
       updateToolButtonState();
     }).bind('contextmenu', function (e) {
       e.preventDefault();
     });
-
     $$b('#toggle_stroke_tools').on('click', function () {
       $$b('#tools_bottom').toggleClass('expanded');
     });
 
     (function () {
       var wArea = workarea[0];
-
       var lastX = null,
           lastY = null,
           panning = false,
           keypan = false;
-
       $$b('#svgcanvas').bind('mousemove mouseup', function (evt) {
         if (panning === false) {
           return;
@@ -28672,13 +31445,13 @@
 
         wArea.scrollLeft -= evt.clientX - lastX;
         wArea.scrollTop -= evt.clientY - lastY;
-
         lastX = evt.clientX;
         lastY = evt.clientY;
 
         if (evt.type === 'mouseup') {
           panning = false;
         }
+
         return false;
       }).mousedown(function (evt) {
         if (evt.button === 1 || keypan === true) {
@@ -28688,11 +31461,9 @@
           return false;
         }
       });
-
       $$b(window).mouseup(function () {
         panning = false;
       });
-
       $$b(document).bind('keydown', 'space', function (evt) {
         svgCanvas.spaceKey = keypan = true;
         evt.preventDefault();
@@ -28708,11 +31479,11 @@
           workarea.css('cursor', zoomInIcon);
         }
       });
-
       /**
       * @param {boolean} active
       * @returns {undefined}
       */
+
       editor.setPanning = function (active) {
         svgCanvas.spaceKey = keypan = active;
       };
@@ -28722,12 +31493,10 @@
       var button = $$b('#main_icon');
       var overlay = $$b('#main_icon span');
       var list = $$b('#main_menu');
-
       var onButton = false;
       var height = 0;
       var jsHover = true;
       var setClick = false;
-
       /*
       // Currently unused
       const hideMenu = function () {
@@ -28737,9 +31506,9 @@
 
       $$b(window).mouseup(function (evt) {
         if (!onButton) {
-          button.removeClass('buttondown');
-          // do not hide if it was the file input as that input needs to be visible
+          button.removeClass('buttondown'); // do not hide if it was the file input as that input needs to be visible
           // for its change event to fire
+
           if (evt.target.tagName !== 'INPUT') {
             list.fadeOut(200);
           } else if (!setClick) {
@@ -28749,23 +31518,26 @@
             });
           }
         }
+
         onButton = false;
       }).mousedown(function (evt) {
         // $('.contextMenu').hide();
         var islib = $$b(evt.target).closest('div.tools_flyout, .contextMenu').length;
+
         if (!islib) {
           $$b('.tools_flyout:visible,.contextMenu').fadeOut(250);
         }
       });
-
       overlay.bind('mousedown', function () {
         if (!button.hasClass('buttondown')) {
           // Margin must be reset in case it was changed before;
           list.css('margin-left', 0).show();
+
           if (!height) {
             height = list.height();
-          }
-          // Using custom animation as slideDown has annoying 'bounce effect'
+          } // Using custom animation as slideDown has annoying 'bounce effect'
+
+
           list.css('height', 0).animate({
             height: height
           }, 200);
@@ -28773,20 +31545,19 @@
         } else {
           list.fadeOut(200);
         }
+
         button.toggleClass('buttondown buttonup');
       }).hover(function () {
         onButton = true;
       }).mouseout(function () {
         onButton = false;
       });
+      var listItems = $$b('#main_menu li'); // Check if JS method of hovering needs to be used (Webkit bug)
 
-      var listItems = $$b('#main_menu li');
-
-      // Check if JS method of hovering needs to be used (Webkit bug)
       listItems.mouseover(function () {
         jsHover = $$b(this).css('background-color') === 'rgba(0, 0, 0, 0)';
-
         listItems.unbind('mouseover');
+
         if (jsHover) {
           listItems.mouseover(function () {
             this.style.backgroundColor = '#FFC';
@@ -28796,9 +31567,9 @@
           });
         }
       });
-    })();
-    // Made public for UI customization.
+    })(); // Made public for UI customization.
     // TODO: Group UI functions into a public editor.ui interface.
+
     /**
      * See {@link http://api.jquery.com/bind/#bind-eventType-eventData-handler}
      * @callback module:SVGEditor.DropDownCallback
@@ -28806,35 +31577,41 @@
      * @listens external:jQuery.Event
      * @returns {undefined|boolean} Calls `preventDefault()` and `stopPropagation()`
     */
+
     /**
      * @param {Element|string} elem DOM Element or selector
      * @param {module:SVGEditor.DropDownCallback} callback Mouseup callback
      * @param {boolean} dropUp
      * @returns {undefined}
     */
+
+
     editor.addDropDown = function (elem, callback, dropUp) {
       if (!$$b(elem).length) {
         return;
       } // Quit if called on non-existent element
+
+
       var button = $$b(elem).find('button');
       var list = $$b(elem).find('ul').attr('id', $$b(elem)[0].id + '-list');
+
       if (dropUp) {
         $$b(elem).addClass('dropup');
       } else {
         // Move list to place where it can overflow container
         $$b('#option_lists').append(list);
       }
-      list.find('li').bind('mouseup', callback);
 
+      list.find('li').bind('mouseup', callback);
       var onButton = false;
       $$b(window).mouseup(function (evt) {
         if (!onButton) {
           button.removeClass('down');
           list.hide();
         }
+
         onButton = false;
       });
-
       button.bind('mousedown', function () {
         if (!button.hasClass('down')) {
           if (!dropUp) {
@@ -28844,11 +31621,13 @@
               left: pos.left - 10
             });
           }
+
           list.show();
           onButton = true;
         } else {
           list.hide();
         }
+
         button.toggleClass('down');
       }).hover(function () {
         onButton = true;
@@ -28860,16 +31639,15 @@
     editor.addDropDown('#font_family_dropdown', function () {
       $$b('#font_family').val($$b(this).text()).change();
     });
-
     editor.addDropDown('#opacity_dropdown', function () {
       if ($$b(this).find('div').length) {
         return;
       }
+
       var perc = parseInt($$b(this).text().split('%')[0], 10);
       changeOpacity(false, perc);
-    }, true);
+    }, true); // For slider usage, see: http://jqueryui.com/demos/slider/
 
-    // For slider usage, see: http://jqueryui.com/demos/slider/
     $$b('#opac_slider').slider({
       start: function start() {
         $$b('#opacity_dropdown li:not(.special)').hide();
@@ -28882,9 +31660,7 @@
         changeOpacity(ui);
       }
     });
-
     editor.addDropDown('#blur_dropdown', $$b.noop);
-
     var slideStart = false;
     $$b('#blur_slider').slider({
       max: 10,
@@ -28902,30 +31678,34 @@
         changeBlur(ui, null, slideStart);
       }
     });
-
     editor.addDropDown('#zoom_dropdown', function () {
       var item = $$b(this);
       var val = item.data('val');
+
       if (val) {
         zoomChanged(window, val);
       } else {
-        changeZoom({ value: parseFloat(item.text()) });
+        changeZoom({
+          value: parseFloat(item.text())
+        });
       }
     }, true);
-
     addAltDropDown('#stroke_linecap', '#linecap_opts', function () {
       setStrokeOpt(this, true);
-    }, { dropUp: true });
-
+    }, {
+      dropUp: true
+    });
     addAltDropDown('#stroke_linejoin', '#linejoin_opts', function () {
       setStrokeOpt(this, true);
-    }, { dropUp: true });
-
+    }, {
+      dropUp: true
+    });
     addAltDropDown('#tool_position', '#position_opts', function () {
       var letter = this.id.replace('tool_pos', '').charAt(0);
       svgCanvas.alignSelectedElements(letter, 'page');
-    }, { multiclick: true });
-
+    }, {
+      multiclick: true
+    });
     /*
      When a flyout icon is selected
       (if flyout) {
@@ -28938,10 +31718,11 @@
       , else:
       - Just run its stuff
      */
-
     // Unfocus text input when workarea is mousedowned.
+
     (function () {
-      var inp = void 0;
+      var inp;
+
       var unfocus = function unfocus() {
         $$b(inp).blur();
       };
@@ -28952,8 +31733,8 @@
         workarea.mousedown(unfocus);
       }).blur(function () {
         uiContext = 'canvas';
-        workarea.unbind('mousedown', unfocus);
-        // Go back to selecting text if in textedit mode
+        workarea.unbind('mousedown', unfocus); // Go back to selecting text if in textedit mode
+
         if (svgCanvas.getMode() === 'textedit') {
           $$b('#text').focus();
         }
@@ -29023,8 +31804,8 @@
 
     var zoomImage = function zoomImage(multiplier) {
       var res = svgCanvas.getResolution();
-      multiplier = multiplier ? res.zoom * multiplier : 1;
-      // setResolution(res.w * multiplier, res.h * multiplier, true);
+      multiplier = multiplier ? res.zoom * multiplier : 1; // setResolution(res.w * multiplier, res.h * multiplier, true);
+
       $$b('#zoom').val(multiplier * 100);
       svgCanvas.setZoom(multiplier);
       zoomDone();
@@ -29048,10 +31829,10 @@
       if (toolButtonClick('#tool_path')) {
         svgCanvas.setMode('path');
       }
-    };
-
-    // Delete is a contextual tool that only appears in the ribbon if
+    }; // Delete is a contextual tool that only appears in the ribbon if
     // an element has been selected
+
+
     var deleteSelected = function deleteSelected() {
       if (selectedElement != null || multiselected) {
         svgCanvas.deleteSelectedElements();
@@ -29125,6 +31906,7 @@
           dx *= multi;
           dy *= multi;
         }
+
         svgCanvas.moveSelectedElements(dx, dy);
       }
     };
@@ -29170,20 +31952,23 @@
       if (selectedElement == null || multiselected) {
         return;
       }
+
       if (!cw) {
         step *= -1;
       }
+
       var angle = parseFloat($$b('#angle').val()) + step;
       svgCanvas.setRotationAngle(angle);
       updateContextPanel();
     };
-
     /**
      * @fires module:svgcanvas.SvgCanvas#event:ext-onNewDocument
      * @returns {undefined}
      */
+
+
     var clickClear = function clickClear() {
-      var _curConfig$dimensions = slicedToArray(curConfig.dimensions, 2),
+      var _curConfig$dimensions = _slicedToArray(curConfig.dimensions, 2),
           x = _curConfig$dimensions[0],
           y = _curConfig$dimensions[1];
 
@@ -29191,6 +31976,7 @@
         if (!ok) {
           return;
         }
+
         setSelectMode();
         svgCanvas.clear();
         svgCanvas.setResolution(x, y);
@@ -29224,38 +32010,49 @@
       svgCanvas.save(saveOpts);
     };
 
-    var loadingURL = void 0;
+    var loadingURL;
+
     var clickExport = function clickExport() {
-      $$b.select('Select an image type for export: ', [
-      // See http://kangax.github.io/jstests/toDataUrl_mime_type_test/ for a useful list of MIME types and browser support
+      $$b.select('Select an image type for export: ', [// See http://kangax.github.io/jstests/toDataUrl_mime_type_test/ for a useful list of MIME types and browser support
       // 'ICO', // Todo: Find a way to preserve transparency in SVG-Edit if not working presently and do full packaging for x-icon; then switch back to position after 'PNG'
-      'PNG', 'JPEG', 'BMP', 'WEBP', 'PDF'], function () {
-        var _ref15 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee5(imgType) {
+      'PNG', 'JPEG', 'BMP', 'WEBP', 'PDF'],
+      /*#__PURE__*/
+      function () {
+        var _ref15 = _asyncToGenerator(
+        /*#__PURE__*/
+        regeneratorRuntime.mark(function _callee5(imgType) {
           var exportWindowName, openExportWindow, chrome, quality;
           return regeneratorRuntime.wrap(function _callee5$(_context5) {
             while (1) {
               switch (_context5.prev = _context5.next) {
                 case 0:
-                  openExportWindow = function openExportWindow() {
+                  openExportWindow = function _ref16() {
                     var str = uiStrings$1.notification.loadingImage;
+
                     if (curConfig.exportWindowType === 'new') {
                       editor.exportWindowCt++;
                     }
+
                     exportWindowName = curConfig.canvasName + editor.exportWindowCt;
-                    var popHTML = void 0,
-                        popURL = void 0;
+                    var popHTML, popURL;
+
                     if (loadingURL) {
                       popURL = loadingURL;
                     } else {
-                      popHTML = '<!DOCTYPE html><html>\n            <head>\n              <meta charset="utf-8">\n              <title>' + str + '</title>\n            </head>\n            <body><h1>' + str + '</h1></body>\n          <html>';
+                      popHTML = "<!DOCTYPE html><html>\n            <head>\n              <meta charset=\"utf-8\">\n              <title>".concat(str, "</title>\n            </head>\n            <body><h1>").concat(str, "</h1></body>\n          <html>");
+
                       if (typeof URL !== 'undefined' && URL.createObjectURL) {
-                        var blob = new Blob([popHTML], { type: 'text/html' });
+                        var blob = new Blob([popHTML], {
+                          type: 'text/html'
+                        });
                         popURL = URL.createObjectURL(blob);
                       } else {
                         popURL = 'data:text/html;base64;charset=utf-8,' + encode64(popHTML);
                       }
+
                       loadingURL = popURL;
                     }
+
                     exportWindow = window.open(popURL, exportWindowName);
                   };
 
@@ -29264,60 +32061,62 @@
                     break;
                   }
 
-                  return _context5.abrupt('return');
+                  return _context5.abrupt("return");
 
                 case 3:
-                  // Open placeholder window (prevents popup)
-                  exportWindowName = void 0;
                   chrome = isChrome();
 
                   if (!(imgType === 'PDF')) {
-                    _context5.next = 10;
+                    _context5.next = 9;
                     break;
                   }
 
                   if (!customExportPDF && !chrome) {
                     openExportWindow();
                   }
+
                   svgCanvas.exportPDF(exportWindowName, chrome ? 'save' : undefined);
-                  _context5.next = 14;
+                  _context5.next = 13;
                   break;
 
-                case 10:
+                case 9:
                   if (!customExportImage) {
                     openExportWindow();
                   }
+
                   quality = parseInt($$b('#image-slider').val(), 10) / 100;
                   /* const results = */
-                  _context5.next = 14;
+
+                  _context5.next = 13;
                   return svgCanvas.rasterExport(imgType, quality, exportWindowName);
 
-                case 14:
-                case 'end':
+                case 13:
+                case "end":
                   return _context5.stop();
               }
             }
           }, _callee5, this);
         }));
 
-        return function (_x5) {
+        return function (_x3) {
           return _ref15.apply(this, arguments);
         };
       }(), function () {
         var sel = $$b(this);
+
         if (sel.val() === 'JPEG' || sel.val() === 'WEBP') {
           if (!$$b('#image-slider').length) {
-            $$b('<div><label>' + uiStrings$1.ui.quality + '\n              <input id="image-slider"\n                type="range" min="1" max="100" value="92" />\n            </label></div>').appendTo(sel.parent());
+            $$b("<div><label>".concat(uiStrings$1.ui.quality, "\n              <input id=\"image-slider\"\n                type=\"range\" min=\"1\" max=\"100\" value=\"92\" />\n            </label></div>")).appendTo(sel.parent());
           }
         } else {
           $$b('#image-slider').parent().remove();
         }
       });
-    };
-
-    // by default, svgCanvas.open() is a no-op.
+    }; // by default, svgCanvas.open() is a no-op.
     // it is up to an extension mechanism (opera widget, etc)
     // to call setCustomHandlers() which will make it do something
+
+
     var clickOpen = function clickOpen() {
       svgCanvas.open();
     };
@@ -29341,8 +32140,7 @@
     var clickGroup = function clickGroup() {
       // group
       if (multiselected) {
-        svgCanvas.groupSelectedElements();
-        // ungroup
+        svgCanvas.groupSelectedElements(); // ungroup
       } else if (selectedElement) {
         svgCanvas.ungroupSelectedElement();
       }
@@ -29364,9 +32162,12 @@
       if (supportsNonSS) {
         return;
       }
+
       var wfRules = $$b('#wireframe_rules');
+
       if (!wfRules.length) {
-        /* wfRules = */$$b('<style id="wireframe_rules"></style>').appendTo('head');
+        /* wfRules = */
+        $$b('<style id="wireframe_rules"></style>').appendTo('head');
       } else {
         wfRules.empty();
       }
@@ -29378,7 +32179,6 @@
       cancel: 'button,fieldset',
       containment: 'window'
     }).css('position', 'absolute');
-
     var docprops = false;
     var preferences = false;
 
@@ -29386,13 +32186,13 @@
       if (docprops) {
         return;
       }
-      docprops = true;
 
-      // This selects the correct radio button by using the array notation
-      $$b('#image_save_opts input').val([$$b.pref('img_save')]);
+      docprops = true; // This selects the correct radio button by using the array notation
+
+      $$b('#image_save_opts input').val([$$b.pref('img_save')]); // update resolution option with actual resolution
 
-      // update resolution option with actual resolution
       var res = svgCanvas.getResolution();
+
       if (curConfig.baseUnit !== 'px') {
         res.w = convertUnit(res.w) + curConfig.baseUnit;
         res.h = convertUnit(res.h) + curConfig.baseUnit;
@@ -29401,7 +32201,6 @@
       $$b('#canvas_width').val(res.w);
       $$b('#canvas_height').val(res.h);
       $$b('#canvas_title').val(svgCanvas.getDocumentTitle());
-
       $$b('#svg_docprops').show();
     };
 
@@ -29409,10 +32208,10 @@
       if (preferences) {
         return;
       }
-      preferences = true;
-      $$b('#main_menu').hide();
 
-      // Update background color with current one
+      preferences = true;
+      $$b('#main_menu').hide(); // Update background color with current one
+
       var blocks = $$b('#bg_blocks div');
       var curBg = 'cur_background';
       var canvasBg = curPrefs.bkgd_color;
@@ -29421,20 +32220,23 @@
         var blk = $$b(this);
         var isBg = blk.css('background-color') === canvasBg;
         blk.toggleClass(curBg, isBg);
+
         if (isBg) {
           $$b('#canvas_bg_url').removeClass(curBg);
         }
       });
+
       if (!canvasBg) {
         blocks.eq(0).addClass(curBg);
       }
+
       if (url) {
         $$b('#canvas_bg_url').val(url);
       }
+
       $$b('#grid_snapping_on').prop('checked', curConfig.gridSnapping);
       $$b('#grid_snapping_step').attr('value', curConfig.snappingStep);
       $$b('#grid_color').attr('value', curConfig.gridColor);
-
       $$b('#svg_prefs').show();
     };
 
@@ -29463,11 +32265,13 @@
           if (!ok) {
             return false;
           }
+
           saveChanges();
         });
       } else {
         saveChanges();
       }
+
       setSelectMode();
     };
 
@@ -29488,9 +32292,8 @@
       // set title
       var newTitle = $$b('#canvas_title').val();
       updateTitle(newTitle);
-      svgCanvas.setDocumentTitle(newTitle);
+      svgCanvas.setDocumentTitle(newTitle); // update resolution
 
-      // update resolution
       var width = $$b('#canvas_width'),
           w = width.val();
       var height = $$b('#canvas_height'),
@@ -29515,47 +32318,46 @@
       if (!svgCanvas.setResolution(w, h)) {
         $$b.alert(uiStrings$1.notification.noContentToFitTo);
         return false;
-      }
+      } // Set image save option
+
 
-      // Set image save option
       $$b.pref('img_save', $$b('#image_save_opts :checked').val());
       updateCanvas();
       hideDocProperties();
     };
-
     /**
     * Save user preferences based on current values in the UI
     * @function module:SVGEditor.savePreferences
     * @returns {undefined}
     */
+
+
     var savePreferences = editor.savePreferences = function () {
       // Set background
       var color = $$b('#bg_blocks div.cur_background').css('background-color') || '#FFF';
-      setBackground(color, $$b('#canvas_bg_url').val());
+      setBackground(color, $$b('#canvas_bg_url').val()); // set language
 
-      // set language
       var lang = $$b('#lang_select').val();
+
       if (lang !== $$b.pref('lang')) {
         editor.putLocale(lang, goodLangs, curConfig);
-      }
+      } // set icon size
 
-      // set icon size
-      setIconSize($$b('#iconsize').val());
 
-      // set grid setting
+      setIconSize($$b('#iconsize').val()); // set grid setting
+
       curConfig.gridSnapping = $$b('#grid_snapping_on')[0].checked;
       curConfig.snappingStep = $$b('#grid_snapping_step').val();
       curConfig.gridColor = $$b('#grid_color').val();
       curConfig.showRulers = $$b('#show_rulers')[0].checked;
-
       $$b('#rulers').toggle(curConfig.showRulers);
+
       if (curConfig.showRulers) {
         updateRulers();
       }
+
       curConfig.baseUnit = $$b('#base_unit').val();
-
       svgCanvas.setConfig(curConfig);
-
       updateCanvas();
       hidePreferences();
     };
@@ -29564,10 +32366,12 @@
 
     var cancelOverlays = function cancelOverlays() {
       $$b('#dialog_box').hide();
+
       if (!editingsource && !docprops && !preferences) {
         if (curContext) {
           svgCanvas.leaveContext();
         }
+
         return;
       }
 
@@ -29586,12 +32390,15 @@
       } else if (preferences) {
         hidePreferences();
       }
+
       resetScrollPos();
     };
 
-    var winWh = { width: $$b(window).width(), height: $$b(window).height() };
+    var winWh = {
+      width: $$b(window).width(),
+      height: $$b(window).height()
+    }; // Fix for Issue 781: Drawing area jumps to top-left corner on window resize (IE9)
 
-    // Fix for Issue 781: Drawing area jumps to top-left corner on window resize (IE9)
     if (isIE()) {
       (function () {
         resetScrollPos = function resetScrollPos() {
@@ -29605,7 +32412,6 @@
           left: workarea[0].scrollLeft,
           top: workarea[0].scrollTop
         };
-
         $$b(window).resize(resetScrollPos);
         editor.ready(function () {
           // TODO: Find better way to detect when to do this to minimize
@@ -29614,7 +32420,6 @@
             resetScrollPos();
           }, 500);
         });
-
         workarea.scroll(function () {
           curScrollPos = {
             left: workarea[0].scrollLeft,
@@ -29639,6 +32444,7 @@
         if ($$b('#ruler_x').length) {
           $$b('#ruler_x')[0].scrollLeft = workarea[0].scrollLeft;
         }
+
         if ($$b('#ruler_y').length) {
           $$b('#ruler_y')[0].scrollTop = workarea[0].scrollTop;
         }
@@ -29648,27 +32454,21 @@
     $$b('#url_notice').click(function () {
       $$b.alert(this.title);
     });
-
-    $$b('#change_image_url').click(promptImgURL);
-
-    // added these event handlers for all the push buttons so they
+    $$b('#change_image_url').click(promptImgURL); // added these event handlers for all the push buttons so they
     // behave more like buttons being pressed-in and not images
+
     (function () {
       var toolnames = ['clear', 'open', 'save', 'source', 'delete', 'delete_multi', 'paste', 'clone', 'clone_multi', 'move_top', 'move_bottom'];
       var curClass = 'tool_button_current';
-
       var allTools = '';
-
       $$b.each(toolnames, function (i, item) {
         allTools += (i ? ',' : '') + '#tool_' + item;
       });
-
       $$b(allTools).mousedown(function () {
         $$b(this).addClass(curClass);
       }).bind('mousedown mouseout', function () {
         $$b(this).removeClass(curClass);
       });
-
       $$b('#tool_undo, #tool_redo').mousedown(function () {
         if (!$$b(this).hasClass('disabled')) {
           $$b(this).addClass(curClass);
@@ -29676,42 +32476,49 @@
       }).bind('mousedown mouseout', function () {
         $$b(this).removeClass(curClass);
       });
-    })();
-
-    // switch modifier key in tooltips if mac
+    })(); // switch modifier key in tooltips if mac
     // NOTE: This code is not used yet until I can figure out how to successfully bind ctrl/meta
     // in Opera and Chrome
+
+
     if (isMac() && !window.opera) {
       var shortcutButtons = ['tool_clear', 'tool_save', 'tool_source', 'tool_undo', 'tool_redo', 'tool_clone'];
       var _i2 = shortcutButtons.length;
+
       while (_i2--) {
         var button = document.getElementById(shortcutButtons[_i2]);
+
         if (button) {
           var title = button.title;
-
           var index = title.indexOf('Ctrl+');
           button.title = [title.substr(0, index), 'Cmd+', title.substr(index + 5)].join('');
         }
       }
-    }
-
-    // TODO: go back to the color boxes having white background-color and then setting
+    } // TODO: go back to the color boxes having white background-color and then setting
     //  background-image to none.png (otherwise partially transparent gradients look weird)
+
+
     var colorPicker = function colorPicker(elem) {
-      var picker = elem.attr('id') === 'stroke_color' ? 'stroke' : 'fill';
-      // const opacity = (picker == 'stroke' ? $('#stroke_opacity') : $('#fill_opacity'));
-      var title = picker === 'stroke' ? uiStrings$1.ui.pick_stroke_paint_opacity : uiStrings$1.ui.pick_fill_paint_opacity;
-      // let wasNone = false; // Currently unused
+      var picker = elem.attr('id') === 'stroke_color' ? 'stroke' : 'fill'; // const opacity = (picker == 'stroke' ? $('#stroke_opacity') : $('#fill_opacity'));
+
+      var title = picker === 'stroke' ? uiStrings$1.ui.pick_stroke_paint_opacity : uiStrings$1.ui.pick_fill_paint_opacity; // let wasNone = false; // Currently unused
+
       var pos = elem.offset();
       var paint = paintBox[picker].paint;
-
       $$b('#color_picker').draggable({
         cancel: '.jGraduate_tabs, .jGraduate_colPick, .jGraduate_gradPick, .jPicker',
         containment: 'window'
-      }).css(curConfig.colorPickerCSS || { left: pos.left - 140, bottom: 40 }).jGraduate({
+      }).css(curConfig.colorPickerCSS || {
+        left: pos.left - 140,
+        bottom: 40
+      }).jGraduate({
         paint: paint,
-        window: { pickerTitle: title },
-        images: { clientPath: curConfig.jGraduatePath },
+        window: {
+          pickerTitle: title
+        },
+        images: {
+          clientPath: curConfig.jGraduatePath
+        },
         newstop: 'inverse'
       }, function (p) {
         paint = new $$b.jGraduate.Paint(p);
@@ -29724,33 +32531,32 @@
     };
 
     var PaintBox = function PaintBox(container, type) {
-      var paintColor = void 0,
-          paintOpacity = void 0;
-      var cur = curConfig[type === 'fill' ? 'initFill' : 'initStroke'];
-      // set up gradients to be used for the buttons
-      var svgdocbox = new DOMParser().parseFromString('<svg xmlns="http://www.w3.org/2000/svg">\n        <rect width="16.5" height="16.5"\n          fill="#' + cur.color + '" opacity="' + cur.opacity + '"/>\n        <defs><linearGradient id="gradbox_"/></defs>\n      </svg>', 'text/xml');
+      var paintColor, paintOpacity;
+      var cur = curConfig[type === 'fill' ? 'initFill' : 'initStroke']; // set up gradients to be used for the buttons
 
+      var svgdocbox = new DOMParser().parseFromString("<svg xmlns=\"http://www.w3.org/2000/svg\">\n        <rect width=\"16.5\" height=\"16.5\"\n          fill=\"#".concat(cur.color, "\" opacity=\"").concat(cur.opacity, "\"/>\n        <defs><linearGradient id=\"gradbox_\"/></defs>\n      </svg>"), 'text/xml');
       var docElem = svgdocbox.documentElement;
       docElem = $$b(container)[0].appendChild(document.importNode(docElem, true));
       docElem.setAttribute('width', 16.5);
-
       this.rect = docElem.firstElementChild;
       this.defs = docElem.getElementsByTagName('defs')[0];
       this.grad = this.defs.firstElementChild;
-      this.paint = new $$b.jGraduate.Paint({ solidColor: cur.color });
+      this.paint = new $$b.jGraduate.Paint({
+        solidColor: cur.color
+      });
       this.type = type;
 
       this.setPaint = function (paint, apply) {
         this.paint = paint;
-
         var ptype = paint.type;
         var opac = paint.alpha / 100;
-
         var fillAttr = 'none';
+
         switch (ptype) {
           case 'solidColor':
             fillAttr = paint[ptype] !== 'none' ? '#' + paint[ptype] : paint[ptype];
             break;
+
           case 'linearGradient':
           case 'radialGradient':
             this.grad.remove();
@@ -29783,15 +32589,17 @@
             // These elements don't have fill or stroke, so don't change
             // the current value
             return;
+
           case 'g':
           case 'a':
             {
               var childs = selectedElement.getElementsByTagName('*');
-
               var gPaint = null;
+
               for (var _i3 = 0, len = childs.length; _i3 < len; _i3++) {
                 var elem = childs[_i3];
                 var p = elem.getAttribute(type);
+
                 if (_i3 === 0) {
                   gPaint = p;
                 } else if (gPaint !== p) {
@@ -29805,11 +32613,15 @@
                 paintColor = null;
                 return;
               }
+
               paintColor = gPaint;
               paintOpacity = 1;
               break;
-            }default:
+            }
+
+          default:
             paintOpacity = parseFloat(selectedElement.getAttribute(type + '-opacity'));
+
             if (isNaN(paintOpacity)) {
               paintOpacity = 1.0;
             }
@@ -29824,9 +32636,8 @@
         }
 
         paintOpacity *= 100;
+        var paint = getPaint(paintColor, paintOpacity, type); // update the rect inside #fill_color/#stroke_color
 
-        var paint = getPaint(paintColor, paintOpacity, type);
-        // update the rect inside #fill_color/#stroke_color
         this.setPaint(paint);
       };
 
@@ -29836,7 +32647,9 @@
         switch (ptype) {
           case 'linearGradient':
           case 'radialGradient':
-            var paint = new $$b.jGraduate.Paint({ copy: this.paint });
+            var paint = new $$b.jGraduate.Paint({
+              copy: this.paint
+            });
             svgCanvas.setPaint(type, paint);
             break;
         }
@@ -29845,36 +32658,37 @@
 
     paintBox.fill = new PaintBox('#fill_color', 'fill');
     paintBox.stroke = new PaintBox('#stroke_color', 'stroke');
-
     $$b('#stroke_width').val(curConfig.initStroke.width);
-    $$b('#group_opacity').val(curConfig.initOpacity * 100);
+    $$b('#group_opacity').val(curConfig.initOpacity * 100); // Use this SVG elem to test vectorEffect support
 
-    // Use this SVG elem to test vectorEffect support
     var testEl = paintBox.fill.rect.cloneNode(false);
     testEl.setAttribute('style', 'vector-effect:non-scaling-stroke');
     var supportsNonSS = testEl.style.vectorEffect === 'non-scaling-stroke';
     testEl.removeAttribute('style');
-    var svgdocbox = paintBox.fill.rect.ownerDocument;
-    // Use this to test support for blur element. Seems to work to test support in Webkit
+    var svgdocbox = paintBox.fill.rect.ownerDocument; // Use this to test support for blur element. Seems to work to test support in Webkit
+
     var blurTest = svgdocbox.createElementNS(NS.SVG, 'feGaussianBlur');
+
     if (blurTest.stdDeviationX === undefined) {
       $$b('#tool_blur').hide();
     }
-    $$b(blurTest).remove();
 
-    // Test for zoom icon support
+    $$b(blurTest).remove(); // Test for zoom icon support
+
     (function () {
       var pre = '-' + uaPrefix.toLowerCase() + '-zoom-';
       var zoom = pre + 'in';
       workarea.css('cursor', zoom);
+
       if (workarea.css('cursor') === zoom) {
         zoomInIcon = zoom;
         zoomOutIcon = pre + 'out';
       }
-      workarea.css('cursor', 'auto');
-    })();
 
-    // Test for embedImage support (use timeout to not interfere with page load)
+      workarea.css('cursor', 'auto');
+    })(); // Test for embedImage support (use timeout to not interfere with page load)
+
+
     setTimeout(function () {
       svgCanvas.embedImage('images/logo.png', function (datauri) {
         if (!datauri) {
@@ -29886,32 +32700,26 @@
         }
       });
     }, 1000);
-
     $$b('#fill_color, #tool_fill .icon_label').click(function () {
       colorPicker($$b('#fill_color'));
       updateToolButtonState();
     });
-
     $$b('#stroke_color, #tool_stroke .icon_label').click(function () {
       colorPicker($$b('#stroke_color'));
       updateToolButtonState();
     });
-
     $$b('#group_opacityLabel').click(function () {
       $$b('#opacity_dropdown button').mousedown();
       $$b(window).mouseup();
     });
-
     $$b('#zoomLabel').click(function () {
       $$b('#zoom_dropdown button').mousedown();
       $$b(window).mouseup();
     });
-
     $$b('#tool_move_top').mousedown(function (evt) {
       $$b('#tools_stacking').show();
       evt.preventDefault();
     });
-
     $$b('.layer_button').mousedown(function () {
       $$b(this).addClass('layer_buttonpressed');
     }).mouseout(function () {
@@ -29919,7 +32727,6 @@
     }).mouseup(function () {
       $$b(this).removeClass('layer_buttonpressed');
     });
-
     $$b('.push_button').mousedown(function () {
       if (!$$b(this).hasClass('disabled')) {
         $$b(this).addClass('push_button_pressed').removeClass('push_button');
@@ -29928,12 +32735,12 @@
       $$b(this).removeClass('push_button_pressed').addClass('push_button');
     }).mouseup(function () {
       $$b(this).removeClass('push_button_pressed').addClass('push_button');
-    });
+    }); // ask for a layer name
 
-    // ask for a layer name
     $$b('#layer_new').click(function () {
-      var uniqName = void 0,
+      var uniqName,
           i = svgCanvas.getCurrentDrawing().getNumLayers();
+
       do {
         uniqName = uiStrings$1.layers.layer + ' ' + ++i;
       } while (svgCanvas.getCurrentDrawing().hasLayer(uniqName));
@@ -29942,10 +32749,12 @@
         if (!newName) {
           return;
         }
+
         if (svgCanvas.getCurrentDrawing().hasLayer(newName)) {
           $$b.alert(uiStrings$1.notification.dupeLayerName);
           return;
         }
+
         svgCanvas.createLayer(newName);
         updateContextPanel();
         populateLayers();
@@ -29955,10 +32764,10 @@
     function deleteLayer() {
       if (svgCanvas.deleteCurrentLayer()) {
         updateContextPanel();
-        populateLayers();
-        // This matches what SvgCanvas does
+        populateLayers(); // This matches what SvgCanvas does
         // TODO: make this behavior less brittle (svg-editor should get which
         // layer is selected from the canvas and then select that one in the UI)
+
         $$b('#layerlist tr.layer').removeClass('layersel');
         $$b('#layerlist tr.layer:first').addClass('layersel');
       }
@@ -29966,15 +32775,16 @@
 
     function cloneLayer() {
       var name = svgCanvas.getCurrentDrawing().getCurrentLayerName() + ' copy';
-
       $$b.prompt(uiStrings$1.notification.enterUniqueLayerName, name, function (newName) {
         if (!newName) {
           return;
         }
+
         if (svgCanvas.getCurrentDrawing().hasLayer(newName)) {
           $$b.alert(uiStrings$1.notification.dupeLayerName);
           return;
         }
+
         svgCanvas.cloneLayer(newName);
         updateContextPanel();
         populateLayers();
@@ -29985,6 +32795,7 @@
       if ($$b('#layerlist tr.layersel').index() === svgCanvas.getCurrentDrawing().getNumLayers() - 1) {
         return;
       }
+
       svgCanvas.mergeLayer();
       updateContextPanel();
       populateLayers();
@@ -29992,8 +32803,8 @@
 
     function moveLayer(pos) {
       var total = svgCanvas.getCurrentDrawing().getNumLayers();
-
       var curIndex = $$b('#layerlist tr.layersel').index();
+
       if (curIndex > 0 || curIndex < total - 1) {
         curIndex += pos;
         svgCanvas.setCurrentLayerPosition(total - curIndex - 1);
@@ -30002,15 +32813,12 @@
     }
 
     $$b('#layer_delete').click(deleteLayer);
-
     $$b('#layer_up').click(function () {
       moveLayer(-1);
     });
-
     $$b('#layer_down').click(function () {
       moveLayer(1);
     });
-
     $$b('#layer_rename').click(function () {
       // const curIndex = $('#layerlist tr.layersel').prevAll().length; // Currently unused
       var oldName = $$b('#layerlist tr.layersel td.layername').text();
@@ -30018,6 +32826,7 @@
         if (!newName) {
           return;
         }
+
         if (oldName === newName || svgCanvas.getCurrentDrawing().hasLayer(newName)) {
           $$b.alert(uiStrings$1.notification.layerHasThatName);
           return;
@@ -30027,18 +32836,17 @@
         populateLayers();
       });
     });
-
     var SIDEPANEL_MAXWIDTH = 300;
     var SIDEPANEL_OPENWIDTH = 150;
     var sidedrag = -1,
         sidedragging = false,
         allowmove = false;
-
     /**
      * @param {Float} delta
      * @fires module:svgcanvas.SvgCanvas#event:ext-workareaResized
      * @returns {undefined}
      */
+
     var changeSidePanelWidth = function changeSidePanelWidth(delta) {
       var rulerX = $$b('#ruler_x');
       $$b('#sidepanels').width('+=' + delta);
@@ -30052,31 +32860,35 @@
       if (!allowmove) {
         return;
       }
+
       if (sidedrag === -1) {
         return;
       }
+
       sidedragging = true;
       var deltaX = sidedrag - evt.pageX;
       var sideWidth = $$b('#sidepanels').width();
+
       if (sideWidth + deltaX > SIDEPANEL_MAXWIDTH) {
-        deltaX = SIDEPANEL_MAXWIDTH - sideWidth;
-        // sideWidth = SIDEPANEL_MAXWIDTH;
+        deltaX = SIDEPANEL_MAXWIDTH - sideWidth; // sideWidth = SIDEPANEL_MAXWIDTH;
       } else if (sideWidth + deltaX < 2) {
-        deltaX = 2 - sideWidth;
-        // sideWidth = 2;
+        deltaX = 2 - sideWidth; // sideWidth = 2;
       }
+
       if (deltaX === 0) {
         return;
       }
+
       sidedrag -= deltaX;
       changeSidePanelWidth(deltaX);
     };
-
     /**
      * If width is non-zero, then fully close it, otherwise fully open it
      * @param {boolean} close Forces the side panel closed
      * @returns {undefined}
      */
+
+
     var toggleSidePanel = function toggleSidePanel(close) {
       var w = $$b('#sidepanels').width();
       var deltaX = (w > 2 || close ? 2 : SIDEPANEL_OPENWIDTH) - w;
@@ -30086,8 +32898,8 @@
     $$b('#sidepanel_handle').mousedown(function (evt) {
       sidedrag = evt.pageX;
       $$b(window).mousemove(resizeSidePanel);
-      allowmove = false;
-      // Silly hack for Chrome, which always runs mousemove right after mousedown
+      allowmove = false; // Silly hack for Chrome, which always runs mousemove right after mousedown
+
       setTimeout(function () {
         allowmove = true;
       }, 20);
@@ -30095,19 +32907,16 @@
       if (!sidedragging) {
         toggleSidePanel();
       }
+
       sidedrag = -1;
       sidedragging = false;
     });
-
     $$b(window).mouseup(function () {
       sidedrag = -1;
       sidedragging = false;
       $$b('#svg_editor').unbind('mousemove', resizeSidePanel);
     });
-
-    populateLayers();
-
-    // function changeResolution (x,y) {
+    populateLayers(); // function changeResolution (x,y) {
     //   const {zoom} = svgCanvas.getResolution();
     //   setResolution(x * zoom, y * zoom);
     // }
@@ -30123,6 +32932,7 @@
       var origVal = Number(elem.value);
       var sugVal = origVal + step;
       var increasing = sugVal >= origVal;
+
       if (step === 0) {
         return origVal;
       }
@@ -30131,23 +32941,30 @@
         if (increasing) {
           return Math.round(origVal * 1.1);
         }
+
         return Math.round(origVal / 1.1);
       }
+
       if (origVal <= 1) {
         if (increasing) {
           return origVal * 2;
         }
+
         return origVal / 2;
       }
+
       return sugVal;
     }
 
     function stepZoom(elem, step) {
       var origVal = Number(elem.value);
+
       if (origVal === 0) {
         return 100;
       }
+
       var sugVal = origVal + step;
+
       if (step === 0) {
         return origVal;
       }
@@ -30155,13 +32972,13 @@
       if (origVal >= 100) {
         return sugVal;
       }
+
       if (sugVal >= origVal) {
         return origVal * 2;
       }
-      return origVal / 2;
-    }
 
-    // function setResolution (w, h, center) {
+      return origVal / 2;
+    } // function setResolution (w, h, center) {
     //   updateCanvas();
     //   // w -= 0; h -= 0;
     //   // $('#svgcanvas').css({width: w, height: h});
@@ -30177,8 +32994,10 @@
     //   // }
     // }
 
+
     $$b('#resolution').change(function () {
       var wh = $$b('#canvas_width,#canvas_height');
+
       if (!this.selectedIndex) {
         if ($$b('#canvas_width').val() === 'fit') {
           wh.removeAttr('disabled').val(100);
@@ -30191,15 +33010,14 @@
         $$b('#canvas_height').val(dims[1]);
         wh.removeAttr('disabled');
       }
-    });
+    }); // Prevent browser from erroneously repopulating fields
 
-    // Prevent browser from erroneously repopulating fields
     $$b('input,select').attr('autocomplete', 'off');
-
     /**
      * Associate all button actions as well as non-button keyboard shortcuts
      * @namespace {PlainObject} module:SVGEditor~Actions
      */
+
     var Actions = function () {
       /**
       * @typedef {PlainObject} module:SVGEditor.ToolButton
@@ -30212,218 +33030,508 @@
       * @property {string} [icon] The button ID
       * @property {boolean} isDefault For flyout holders
       */
+
       /**
        *
        * @name module:SVGEditor~ToolButtons
        * @type {module:SVGEditor.ToolButton[]}
        */
-      var toolButtons = [{ sel: '#tool_select', fn: clickSelect, evt: 'click', key: ['V', true] }, { sel: '#tool_fhpath', fn: clickFHPath, evt: 'click', key: ['Q', true] }, { sel: '#tool_line', fn: clickLine, evt: 'click', key: ['L', true], parent: '#tools_line', prepend: true }, { sel: '#tool_rect', fn: clickRect, evt: 'mouseup',
-        key: ['R', true], parent: '#tools_rect', icon: 'rect' }, { sel: '#tool_square', fn: clickSquare, evt: 'mouseup',
-        parent: '#tools_rect', icon: 'square' }, { sel: '#tool_fhrect', fn: clickFHRect, evt: 'mouseup',
-        parent: '#tools_rect', icon: 'fh_rect' }, { sel: '#tool_ellipse', fn: clickEllipse, evt: 'mouseup',
-        key: ['E', true], parent: '#tools_ellipse', icon: 'ellipse' }, { sel: '#tool_circle', fn: clickCircle, evt: 'mouseup',
-        parent: '#tools_ellipse', icon: 'circle' }, { sel: '#tool_fhellipse', fn: clickFHEllipse, evt: 'mouseup',
-        parent: '#tools_ellipse', icon: 'fh_ellipse' }, { sel: '#tool_path', fn: clickPath, evt: 'click', key: ['P', true] }, { sel: '#tool_text', fn: clickText, evt: 'click', key: ['T', true] }, { sel: '#tool_image', fn: clickImage, evt: 'mouseup' }, { sel: '#tool_zoom', fn: clickZoom, evt: 'mouseup', key: ['Z', true] }, { sel: '#tool_clear', fn: clickClear, evt: 'mouseup', key: ['N', true] }, { sel: '#tool_save', fn: function fn() {
+      var toolButtons = [{
+        sel: '#tool_select',
+        fn: clickSelect,
+        evt: 'click',
+        key: ['V', true]
+      }, {
+        sel: '#tool_fhpath',
+        fn: clickFHPath,
+        evt: 'click',
+        key: ['Q', true]
+      }, {
+        sel: '#tool_line',
+        fn: clickLine,
+        evt: 'click',
+        key: ['L', true],
+        parent: '#tools_line',
+        prepend: true
+      }, {
+        sel: '#tool_rect',
+        fn: clickRect,
+        evt: 'mouseup',
+        key: ['R', true],
+        parent: '#tools_rect',
+        icon: 'rect'
+      }, {
+        sel: '#tool_square',
+        fn: clickSquare,
+        evt: 'mouseup',
+        parent: '#tools_rect',
+        icon: 'square'
+      }, {
+        sel: '#tool_fhrect',
+        fn: clickFHRect,
+        evt: 'mouseup',
+        parent: '#tools_rect',
+        icon: 'fh_rect'
+      }, {
+        sel: '#tool_ellipse',
+        fn: clickEllipse,
+        evt: 'mouseup',
+        key: ['E', true],
+        parent: '#tools_ellipse',
+        icon: 'ellipse'
+      }, {
+        sel: '#tool_circle',
+        fn: clickCircle,
+        evt: 'mouseup',
+        parent: '#tools_ellipse',
+        icon: 'circle'
+      }, {
+        sel: '#tool_fhellipse',
+        fn: clickFHEllipse,
+        evt: 'mouseup',
+        parent: '#tools_ellipse',
+        icon: 'fh_ellipse'
+      }, {
+        sel: '#tool_path',
+        fn: clickPath,
+        evt: 'click',
+        key: ['P', true]
+      }, {
+        sel: '#tool_text',
+        fn: clickText,
+        evt: 'click',
+        key: ['T', true]
+      }, {
+        sel: '#tool_image',
+        fn: clickImage,
+        evt: 'mouseup'
+      }, {
+        sel: '#tool_zoom',
+        fn: clickZoom,
+        evt: 'mouseup',
+        key: ['Z', true]
+      }, {
+        sel: '#tool_clear',
+        fn: clickClear,
+        evt: 'mouseup',
+        key: ['N', true]
+      }, {
+        sel: '#tool_save',
+        fn: function fn() {
           if (editingsource) {
             saveSourceEditor();
           } else {
             clickSave();
           }
         },
-        evt: 'mouseup', key: ['S', true] }, { sel: '#tool_export', fn: clickExport, evt: 'mouseup' }, { sel: '#tool_open', fn: clickOpen, evt: 'mouseup', key: ['O', true] }, { sel: '#tool_import', fn: clickImport, evt: 'mouseup' }, { sel: '#tool_source', fn: showSourceEditor, evt: 'click', key: ['U', true] }, { sel: '#tool_wireframe', fn: clickWireframe, evt: 'click', key: ['F', true] }, { sel: '#tool_source_cancel,.overlay,#tool_docprops_cancel,#tool_prefs_cancel',
-        fn: cancelOverlays, evt: 'click', key: ['esc', false, false], hidekey: true }, { sel: '#tool_source_save', fn: saveSourceEditor, evt: 'click' }, { sel: '#tool_docprops_save', fn: saveDocProperties, evt: 'click' }, { sel: '#tool_docprops', fn: showDocProperties, evt: 'mouseup' }, { sel: '#tool_prefs_save', fn: savePreferences, evt: 'click' }, { sel: '#tool_prefs_option', fn: function fn() {
-          showPreferences();return false;
+        evt: 'mouseup',
+        key: ['S', true]
+      }, {
+        sel: '#tool_export',
+        fn: clickExport,
+        evt: 'mouseup'
+      }, {
+        sel: '#tool_open',
+        fn: clickOpen,
+        evt: 'mouseup',
+        key: ['O', true]
+      }, {
+        sel: '#tool_import',
+        fn: clickImport,
+        evt: 'mouseup'
+      }, {
+        sel: '#tool_source',
+        fn: showSourceEditor,
+        evt: 'click',
+        key: ['U', true]
+      }, {
+        sel: '#tool_wireframe',
+        fn: clickWireframe,
+        evt: 'click',
+        key: ['F', true]
+      }, {
+        sel: '#tool_source_cancel,.overlay,#tool_docprops_cancel,#tool_prefs_cancel',
+        fn: cancelOverlays,
+        evt: 'click',
+        key: ['esc', false, false],
+        hidekey: true
+      }, {
+        sel: '#tool_source_save',
+        fn: saveSourceEditor,
+        evt: 'click'
+      }, {
+        sel: '#tool_docprops_save',
+        fn: saveDocProperties,
+        evt: 'click'
+      }, {
+        sel: '#tool_docprops',
+        fn: showDocProperties,
+        evt: 'mouseup'
+      }, {
+        sel: '#tool_prefs_save',
+        fn: savePreferences,
+        evt: 'click'
+      }, {
+        sel: '#tool_prefs_option',
+        fn: function fn() {
+          showPreferences();
+          return false;
         },
-        evt: 'mouseup' }, { sel: '#tool_delete,#tool_delete_multi', fn: deleteSelected,
-        evt: 'click', key: ['del/backspace', true] }, { sel: '#tool_reorient', fn: reorientPath, evt: 'click' }, { sel: '#tool_node_link', fn: linkControlPoints, evt: 'click' }, { sel: '#tool_node_clone', fn: clonePathNode, evt: 'click' }, { sel: '#tool_node_delete', fn: deletePathNode, evt: 'click' }, { sel: '#tool_openclose_path', fn: opencloseSubPath, evt: 'click' }, { sel: '#tool_add_subpath', fn: addSubPath, evt: 'click' }, { sel: '#tool_move_top', fn: moveToTopSelected, evt: 'click', key: 'ctrl+shift+]' }, { sel: '#tool_move_bottom', fn: moveToBottomSelected, evt: 'click', key: 'ctrl+shift+[' }, { sel: '#tool_topath', fn: convertToPath$$1, evt: 'click' }, { sel: '#tool_make_link,#tool_make_link_multi', fn: makeHyperlink, evt: 'click' }, { sel: '#tool_undo', fn: clickUndo, evt: 'click' }, { sel: '#tool_redo', fn: clickRedo, evt: 'click' }, { sel: '#tool_clone,#tool_clone_multi', fn: clickClone, evt: 'click', key: ['D', true] }, { sel: '#tool_group_elements', fn: clickGroup, evt: 'click', key: ['G', true] }, { sel: '#tool_ungroup', fn: clickGroup, evt: 'click' }, { sel: '#tool_unlink_use', fn: clickGroup, evt: 'click' }, { sel: '[id^=tool_align]', fn: clickAlign, evt: 'click' },
-      // these two lines are required to make Opera work properly with the flyout mechanism
+        evt: 'mouseup'
+      }, {
+        sel: '#tool_delete,#tool_delete_multi',
+        fn: deleteSelected,
+        evt: 'click',
+        key: ['del/backspace', true]
+      }, {
+        sel: '#tool_reorient',
+        fn: reorientPath,
+        evt: 'click'
+      }, {
+        sel: '#tool_node_link',
+        fn: linkControlPoints,
+        evt: 'click'
+      }, {
+        sel: '#tool_node_clone',
+        fn: clonePathNode,
+        evt: 'click'
+      }, {
+        sel: '#tool_node_delete',
+        fn: deletePathNode,
+        evt: 'click'
+      }, {
+        sel: '#tool_openclose_path',
+        fn: opencloseSubPath,
+        evt: 'click'
+      }, {
+        sel: '#tool_add_subpath',
+        fn: addSubPath,
+        evt: 'click'
+      }, {
+        sel: '#tool_move_top',
+        fn: moveToTopSelected,
+        evt: 'click',
+        key: 'ctrl+shift+]'
+      }, {
+        sel: '#tool_move_bottom',
+        fn: moveToBottomSelected,
+        evt: 'click',
+        key: 'ctrl+shift+['
+      }, {
+        sel: '#tool_topath',
+        fn: convertToPath$$1,
+        evt: 'click'
+      }, {
+        sel: '#tool_make_link,#tool_make_link_multi',
+        fn: makeHyperlink,
+        evt: 'click'
+      }, {
+        sel: '#tool_undo',
+        fn: clickUndo,
+        evt: 'click'
+      }, {
+        sel: '#tool_redo',
+        fn: clickRedo,
+        evt: 'click'
+      }, {
+        sel: '#tool_clone,#tool_clone_multi',
+        fn: clickClone,
+        evt: 'click',
+        key: ['D', true]
+      }, {
+        sel: '#tool_group_elements',
+        fn: clickGroup,
+        evt: 'click',
+        key: ['G', true]
+      }, {
+        sel: '#tool_ungroup',
+        fn: clickGroup,
+        evt: 'click'
+      }, {
+        sel: '#tool_unlink_use',
+        fn: clickGroup,
+        evt: 'click'
+      }, {
+        sel: '[id^=tool_align]',
+        fn: clickAlign,
+        evt: 'click'
+      }, // these two lines are required to make Opera work properly with the flyout mechanism
       // {sel: '#tools_rect_show', fn: clickRect, evt: 'click'},
       // {sel: '#tools_ellipse_show', fn: clickEllipse, evt: 'click'},
-      { sel: '#tool_bold', fn: clickBold, evt: 'mousedown' }, { sel: '#tool_italic', fn: clickItalic, evt: 'mousedown' }, { sel: '#sidepanel_handle', fn: toggleSidePanel, key: ['X'] }, { sel: '#copy_save_done', fn: cancelOverlays, evt: 'click' },
-
-      // Shortcuts not associated with buttons
-
-      { key: 'ctrl+left', fn: function fn() {
+      {
+        sel: '#tool_bold',
+        fn: clickBold,
+        evt: 'mousedown'
+      }, {
+        sel: '#tool_italic',
+        fn: clickItalic,
+        evt: 'mousedown'
+      }, {
+        sel: '#sidepanel_handle',
+        fn: toggleSidePanel,
+        key: ['X']
+      }, {
+        sel: '#copy_save_done',
+        fn: cancelOverlays,
+        evt: 'click'
+      }, // Shortcuts not associated with buttons
+      {
+        key: 'ctrl+left',
+        fn: function fn() {
           rotateSelected(0, 1);
         }
-      }, { key: 'ctrl+right', fn: function fn() {
+      }, {
+        key: 'ctrl+right',
+        fn: function fn() {
           rotateSelected(1, 1);
         }
-      }, { key: 'ctrl+shift+left', fn: function fn() {
+      }, {
+        key: 'ctrl+shift+left',
+        fn: function fn() {
           rotateSelected(0, 5);
         }
-      }, { key: 'ctrl+shift+right', fn: function fn() {
+      }, {
+        key: 'ctrl+shift+right',
+        fn: function fn() {
           rotateSelected(1, 5);
         }
-      }, { key: 'shift+O', fn: selectPrev }, { key: 'shift+P', fn: selectNext }, { key: [modKey + 'up', true], fn: function fn() {
+      }, {
+        key: 'shift+O',
+        fn: selectPrev
+      }, {
+        key: 'shift+P',
+        fn: selectNext
+      }, {
+        key: [modKey + 'up', true],
+        fn: function fn() {
           zoomImage(2);
         }
-      }, { key: [modKey + 'down', true], fn: function fn() {
+      }, {
+        key: [modKey + 'down', true],
+        fn: function fn() {
           zoomImage(0.5);
         }
-      }, { key: [modKey + ']', true], fn: function fn() {
+      }, {
+        key: [modKey + ']', true],
+        fn: function fn() {
           moveUpDownSelected('Up');
         }
-      }, { key: [modKey + '[', true], fn: function fn() {
+      }, {
+        key: [modKey + '[', true],
+        fn: function fn() {
           moveUpDownSelected('Down');
         }
-      }, { key: ['up', true], fn: function fn() {
+      }, {
+        key: ['up', true],
+        fn: function fn() {
           moveSelected(0, -1);
         }
-      }, { key: ['down', true], fn: function fn() {
+      }, {
+        key: ['down', true],
+        fn: function fn() {
           moveSelected(0, 1);
         }
-      }, { key: ['left', true], fn: function fn() {
+      }, {
+        key: ['left', true],
+        fn: function fn() {
           moveSelected(-1, 0);
         }
-      }, { key: ['right', true], fn: function fn() {
+      }, {
+        key: ['right', true],
+        fn: function fn() {
           moveSelected(1, 0);
         }
-      }, { key: 'shift+up', fn: function fn() {
+      }, {
+        key: 'shift+up',
+        fn: function fn() {
           moveSelected(0, -10);
         }
-      }, { key: 'shift+down', fn: function fn() {
+      }, {
+        key: 'shift+down',
+        fn: function fn() {
           moveSelected(0, 10);
         }
-      }, { key: 'shift+left', fn: function fn() {
+      }, {
+        key: 'shift+left',
+        fn: function fn() {
           moveSelected(-10, 0);
         }
-      }, { key: 'shift+right', fn: function fn() {
+      }, {
+        key: 'shift+right',
+        fn: function fn() {
           moveSelected(10, 0);
         }
-      }, { key: ['alt+up', true], fn: function fn() {
+      }, {
+        key: ['alt+up', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(0, -1);
         }
-      }, { key: ['alt+down', true], fn: function fn() {
+      }, {
+        key: ['alt+down', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(0, 1);
         }
-      }, { key: ['alt+left', true], fn: function fn() {
+      }, {
+        key: ['alt+left', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(-1, 0);
         }
-      }, { key: ['alt+right', true], fn: function fn() {
+      }, {
+        key: ['alt+right', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(1, 0);
         }
-      }, { key: ['alt+shift+up', true], fn: function fn() {
+      }, {
+        key: ['alt+shift+up', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(0, -10);
         }
-      }, { key: ['alt+shift+down', true], fn: function fn() {
+      }, {
+        key: ['alt+shift+down', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(0, 10);
         }
-      }, { key: ['alt+shift+left', true], fn: function fn() {
+      }, {
+        key: ['alt+shift+left', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(-10, 0);
         }
-      }, { key: ['alt+shift+right', true], fn: function fn() {
+      }, {
+        key: ['alt+shift+right', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(10, 0);
         }
-      }, { key: 'A', fn: function fn() {
+      }, {
+        key: 'A',
+        fn: function fn() {
           svgCanvas.selectAllInCurrentLayer();
         }
-      },
+      }, // Standard shortcuts
+      {
+        key: modKey + 'z',
+        fn: clickUndo
+      }, {
+        key: modKey + 'shift+z',
+        fn: clickRedo
+      }, {
+        key: modKey + 'y',
+        fn: clickRedo
+      }, {
+        key: modKey + 'x',
+        fn: cutSelected
+      }, {
+        key: modKey + 'c',
+        fn: copySelected
+      }, {
+        key: modKey + 'v',
+        fn: pasteInCenter
+      }]; // Tooltips not directly associated with a single function
 
-      // Standard shortcuts
-      { key: modKey + 'z', fn: clickUndo }, { key: modKey + 'shift+z', fn: clickRedo }, { key: modKey + 'y', fn: clickRedo }, { key: modKey + 'x', fn: cutSelected }, { key: modKey + 'c', fn: copySelected }, { key: modKey + 'v', fn: pasteInCenter }];
-
-      // Tooltips not directly associated with a single function
       var keyAssocs = {
         '4/Shift+4': '#tools_rect_show',
         '5/Shift+5': '#tools_ellipse_show'
       };
-
       return {
         /** @lends module:SVGEditor~Actions */
+
         /**
          * @returns {undefined}
          */
         setAll: function setAll() {
           var flyouts = {};
-
           $$b.each(toolButtons, function (i, opts) {
             // Bind function to button
-            var btn = void 0;
+            var btn;
+
             if (opts.sel) {
               btn = $$b(opts.sel);
+
               if (!btn.length) {
                 return true;
               } // Skip if markup does not exist
+
+
               if (opts.evt) {
                 if (isTouch() && opts.evt === 'click') {
                   opts.evt = 'mousedown';
                 }
-                btn[opts.evt](opts.fn);
-              }
 
-              // Add to parent flyout menu, if able to be displayed
+                btn[opts.evt](opts.fn);
+              } // Add to parent flyout menu, if able to be displayed
+
+
               if (opts.parent && $$b(opts.parent + '_show').length) {
                 var fH = $$b(opts.parent);
+
                 if (!fH.length) {
                   fH = makeFlyoutHolder(opts.parent.substr(1));
                 }
+
                 if (opts.prepend) {
                   btn[0].style.margin = 'initial';
                 }
+
                 fH[opts.prepend ? 'prepend' : 'append'](btn);
 
                 if (!Array.isArray(flyouts[opts.parent])) {
                   flyouts[opts.parent] = [];
                 }
+
                 flyouts[opts.parent].push(opts);
               }
-            }
+            } // Bind function to shortcut key
+
 
-            // Bind function to shortcut key
             if (opts.key) {
               // Set shortcut based on options
-              var keyval = void 0,
-
-              // disInInp = true,
+              var keyval,
+                  // disInInp = true,
               pd = false;
+
               if (Array.isArray(opts.key)) {
                 keyval = opts.key[0];
+
                 if (opts.key.length > 1) {
                   pd = opts.key[1];
-                }
-                // if (opts.key.length > 2) { disInInp = opts.key[2]; }
+                } // if (opts.key.length > 2) { disInInp = opts.key[2]; }
+
               } else {
                 keyval = opts.key;
               }
+
               keyval += '';
-
               var fn = opts.fn;
-
               $$b.each(keyval.split('/'), function (i, key) {
                 $$b(document).bind('keydown', key, function (e) {
                   fn();
+
                   if (pd) {
                     e.preventDefault();
-                  }
-                  // Prevent default on ALL keys?
+                  } // Prevent default on ALL keys?
+
+
                   return false;
                 });
-              });
+              }); // Put shortcut in title
 
-              // Put shortcut in title
               if (opts.sel && !opts.hidekey && btn.attr('title')) {
                 var newTitle = btn.attr('title').split('[')[0] + ' (' + keyval + ')';
-                keyAssocs[keyval] = opts.sel;
-                // Disregard for menu items
+                keyAssocs[keyval] = opts.sel; // Disregard for menu items
+
                 if (!btn.parents('#main_menu').length) {
                   btn.attr('title', newTitle);
                 }
               }
             }
-          });
-
-          // Setup flyouts
-          setupFlyouts(flyouts);
-
-          // Misc additional actions
+          }); // Setup flyouts
 
+          setupFlyouts(flyouts); // Misc additional actions
           // Make 'return' keypress trigger the change event
+
           $$b('.attr_changer, #image_url').bind('keydown', 'return', function (evt) {
             $$b(this).change();
             evt.preventDefault();
           });
-
           $$b(window).bind('keydown', 'tab', function (e) {
             if (uiContext === 'canvas') {
               e.preventDefault();
@@ -30435,7 +33543,6 @@
               selectPrev();
             }
           });
-
           $$b('#tool_zoom').dblclick(dblclickZoom);
         },
 
@@ -30445,25 +33552,29 @@
         setTitles: function setTitles() {
           $$b.each(keyAssocs, function (keyval, sel) {
             var menu = $$b(sel).parents('#main_menu').length;
-
             $$b(sel).each(function () {
-              var t = void 0;
+              var t;
+
               if (menu) {
                 t = $$b(this).text().split(' [')[0];
               } else {
                 t = this.title.split(' [')[0];
               }
-              var keyStr = '';
-              // Shift+Up
+
+              var keyStr = ''; // Shift+Up
+
               $$b.each(keyval.split('/'), function (i, key) {
                 var modBits = key.split('+');
                 var mod = '';
+
                 if (modBits.length > 1) {
                   mod = modBits[0] + '+';
                   key = modBits[1];
                 }
+
                 keyStr += (i ? '/' : '') + mod + (uiStrings$1['key_' + key] || key);
               });
+
               if (menu) {
                 this.lastChild.textContent = t + ' [' + keyStr + ']';
               } else {
@@ -30483,15 +33594,16 @@
           });
         }
       };
-    }();
+    }(); // Select given tool
+
 
-    // Select given tool
     editor.ready(function () {
-      var tool = void 0;
+      var tool;
       var itool = curConfig.initTool,
           container = $$b('#tools_left, #svg_editor .tools_flyout'),
           preTool = container.find('#tool_' + itool),
           regTool = container.find('#' + itool);
+
       if (preTool.length) {
         tool = preTool;
       } else if (regTool.length) {
@@ -30499,6 +33611,7 @@
       } else {
         tool = $$b('#tool_select');
       }
+
       tool.click().mouseup();
 
       if (curConfig.wireframe) {
@@ -30530,19 +33643,57 @@
       if (curConfig.gridColor) {
         $$b('#grid_color').val(curConfig.gridColor);
       }
+    }); // init SpinButtons
+
+    $$b('#rect_rx').SpinButton({
+      min: 0,
+      max: 1000,
+      stateObj: stateObj,
+      callback: changeRectRadius
     });
-
-    // init SpinButtons
-    $$b('#rect_rx').SpinButton({ min: 0, max: 1000, stateObj: stateObj, callback: changeRectRadius });
-    $$b('#stroke_width').SpinButton({ min: 0, max: 99, smallStep: 0.1, stateObj: stateObj, callback: changeStrokeWidth });
-    $$b('#angle').SpinButton({ min: -180, max: 180, step: 5, stateObj: stateObj, callback: changeRotationAngle });
-    $$b('#font_size').SpinButton({ min: 0.001, stepfunc: stepFontSize, stateObj: stateObj, callback: changeFontSize });
-    $$b('#group_opacity').SpinButton({ min: 0, max: 100, step: 5, stateObj: stateObj, callback: changeOpacity });
-    $$b('#blur').SpinButton({ min: 0, max: 10, step: 0.1, stateObj: stateObj, callback: changeBlur });
-    $$b('#zoom').SpinButton({ min: 0.001, max: 10000, step: 50, stepfunc: stepZoom, stateObj: stateObj, callback: changeZoom })
-    // Set default zoom
+    $$b('#stroke_width').SpinButton({
+      min: 0,
+      max: 99,
+      smallStep: 0.1,
+      stateObj: stateObj,
+      callback: changeStrokeWidth
+    });
+    $$b('#angle').SpinButton({
+      min: -180,
+      max: 180,
+      step: 5,
+      stateObj: stateObj,
+      callback: changeRotationAngle
+    });
+    $$b('#font_size').SpinButton({
+      min: 0.001,
+      stepfunc: stepFontSize,
+      stateObj: stateObj,
+      callback: changeFontSize
+    });
+    $$b('#group_opacity').SpinButton({
+      min: 0,
+      max: 100,
+      step: 5,
+      stateObj: stateObj,
+      callback: changeOpacity
+    });
+    $$b('#blur').SpinButton({
+      min: 0,
+      max: 10,
+      step: 0.1,
+      stateObj: stateObj,
+      callback: changeBlur
+    });
+    $$b('#zoom').SpinButton({
+      min: 0.001,
+      max: 10000,
+      step: 50,
+      stepfunc: stepZoom,
+      stateObj: stateObj,
+      callback: changeZoom
+    }) // Set default zoom
     .val(svgCanvas.getZoom() * 100);
-
     $$b('#workarea').contextMenu({
       menu: 'cmenu_canvas',
       inSpeed: 0
@@ -30551,41 +33702,53 @@
         case 'delete':
           deleteSelected();
           break;
+
         case 'cut':
           cutSelected();
           break;
+
         case 'copy':
           copySelected();
           break;
+
         case 'paste':
           svgCanvas.pasteElements();
           break;
+
         case 'paste_in_place':
           svgCanvas.pasteElements('in_place');
           break;
+
         case 'group':
         case 'group_elements':
           svgCanvas.groupSelectedElements();
           break;
+
         case 'ungroup':
           svgCanvas.ungroupSelectedElement();
           break;
+
         case 'move_front':
           moveToTopSelected();
           break;
+
         case 'move_up':
           moveUpDownSelected('Up');
           break;
+
         case 'move_down':
           moveUpDownSelected('Down');
           break;
+
         case 'move_back':
           moveToBottomSelected();
           break;
+
         default:
           if (hasCustomHandler(action)) {
             getCustomHandler(action).call();
           }
+
           break;
       }
     });
@@ -30595,12 +33758,15 @@
         case 'dupe':
           cloneLayer();
           break;
+
         case 'delete':
           deleteLayer();
           break;
+
         case 'merge_down':
           mergeLayer();
           break;
+
         case 'merge_all':
           svgCanvas.mergeAllLayers();
           updateContextPanel();
@@ -30613,29 +33779,28 @@
       menu: 'cmenu_layers',
       inSpeed: 0
     }, lmenuFunc);
-
     $$b('#layer_moreopts').contextMenu({
       menu: 'cmenu_layers',
       inSpeed: 0,
       allowLeft: true
     }, lmenuFunc);
-
     $$b('.contextMenu li').mousedown(function (ev) {
       ev.preventDefault();
     });
-
     $$b('#cmenu_canvas li').disableContextMenu();
     canvMenu.enableContextMenuItems('#delete,#cut,#copy');
 
     function enableOrDisableClipboard() {
-      var svgeditClipboard = void 0;
+      var svgeditClipboard;
+
       try {
         svgeditClipboard = localStorage.getItem('svgedit_clipboard');
       } catch (err) {}
+
       canvMenu[(svgeditClipboard ? 'en' : 'dis') + 'ableContextMenuItems']('#paste,#paste_in_place');
     }
-    enableOrDisableClipboard();
 
+    enableOrDisableClipboard();
     window.addEventListener('storage', function (e) {
       if (e.key !== 'svgedit_clipboard') {
         return;
@@ -30643,41 +33808,44 @@
 
       enableOrDisableClipboard();
     });
-
     window.addEventListener('beforeunload', function (e) {
       // Suppress warning if page is empty
       if (undoMgr.getUndoStackSize() === 0) {
         editor.showSaveWarning = false;
-      }
+      } // showSaveWarning is set to 'false' when the page is saved.
+
 
-      // showSaveWarning is set to 'false' when the page is saved.
       if (!curConfig.no_save_warning && editor.showSaveWarning) {
         // Browser already asks question about closing the page
         e.returnValue = uiStrings$1.notification.unsavedChanges; // Firefox needs this when beforeunload set by addEventListener (even though message is not used)
+
         return uiStrings$1.notification.unsavedChanges;
       }
     }, false);
-
     /**
     * Expose the uiStrings
     * @function module:SVGEditor.canvas.getUIStrings
     * @returns {module:SVGEditor.uiStrings}
     */
+
     editor.canvas.getUIStrings = function () {
       return uiStrings$1;
     };
-
     /**
     * @callback module:SVGEditor.OpenPrepCallback
     * @param {boolean} noChanges
     * @returns {undefined}
     */
+
     /**
     * @param {module:SVGEditor.OpenPrepCallback} func Confirmation dialog callback
     * @returns {undefined}
     */
+
+
     editor.openPrep = function (func) {
       $$b('#main_menu').hide();
+
       if (undoMgr.getUndoStackSize() === 0) {
         func(true);
       } else {
@@ -30687,8 +33855,7 @@
 
     function onDragEnter(e) {
       e.stopPropagation();
-      e.preventDefault();
-      // and indicator should be displayed here, such as "drop files here"
+      e.preventDefault(); // and indicator should be displayed here, such as "drop files here"
     }
 
     function onDragOver(e) {
@@ -30698,13 +33865,13 @@
 
     function onDragLeave(e) {
       e.stopPropagation();
-      e.preventDefault();
-      // hypothetical indicator should be removed here
-    }
-    // Use HTML5 File API: http://www.w3.org/TR/FileAPI/
+      e.preventDefault(); // hypothetical indicator should be removed here
+    } // Use HTML5 File API: http://www.w3.org/TR/FileAPI/
     // if browser has HTML5 File API support, then we will show the open menu item
     // and provide a file input to click. When that change event fires, it will
     // get the text contents of the file and send it to the canvas
+
+
     if (window.FileReader) {
       var importImage = function importImage(e) {
         $$b.process_cancel(uiStrings$1.notification.loadingImage);
@@ -30713,6 +33880,7 @@
         $$b('#workarea').removeAttr('style');
         $$b('#main_menu').hide();
         var file = e.type === 'drop' ? e.dataTransfer.files[0] : this.files[0];
+
         if (!file) {
           $$b('#dialog_box').hide();
           return;
@@ -30720,29 +33888,35 @@
         /* if (file.type === 'application/pdf') { // Todo: Handle PDF imports
          }
         else */
+
+
         if (file.type.includes('image')) {
           // Detected an image
           // svg handling
-          var reader = void 0;
+          var reader;
+
           if (file.type.includes('svg')) {
             reader = new FileReader();
+
             reader.onloadend = function (e) {
               var newElement = svgCanvas.importSvgString(e.target.result, true);
               svgCanvas.ungroupSelectedElement();
               svgCanvas.ungroupSelectedElement();
               svgCanvas.groupSelectedElements();
               svgCanvas.alignSelectedElements('m', 'page');
-              svgCanvas.alignSelectedElements('c', 'page');
-              // highlight imported element, otherwise we get strange empty selectbox
+              svgCanvas.alignSelectedElements('c', 'page'); // highlight imported element, otherwise we get strange empty selectbox
+
               svgCanvas.selectOnly([newElement]);
               $$b('#dialog_box').hide();
             };
+
             reader.readAsText(file);
           } else {
             // bitmap handling
             reader = new FileReader();
-            reader.onloadend = function (_ref16) {
-              var result = _ref16.target.result;
+
+            reader.onloadend = function (_ref17) {
+              var result = _ref17.target.result;
 
               // let's insert the new image until we know its dimensions
               var insertNewImage = function insertNewImage(width, height) {
@@ -30763,19 +33937,23 @@
                 svgCanvas.alignSelectedElements('c', 'page');
                 updateContextPanel();
                 $$b('#dialog_box').hide();
-              };
-              // create dummy img so we know the default dimensions
+              }; // create dummy img so we know the default dimensions
+
+
               var imgWidth = 100;
               var imgHeight = 100;
               var img = new Image();
               img.style.opacity = 0;
+
               img.onload = function () {
                 imgWidth = img.offsetWidth || img.naturalWidth || img.width;
                 imgHeight = img.offsetHeight || img.naturalHeight || img.height;
                 insertNewImage(imgWidth, imgHeight);
               };
+
               img.src = result;
             };
+
             reader.readAsDataURL(file);
           }
         }
@@ -30785,35 +33963,35 @@
       workarea[0].addEventListener('dragover', onDragOver, false);
       workarea[0].addEventListener('dragleave', onDragLeave, false);
       workarea[0].addEventListener('drop', importImage, false);
-
       var open = $$b('<input type="file">').click(function () {
         var f = this;
         editor.openPrep(function (ok) {
           if (!ok) {
             return;
           }
+
           svgCanvas.clear();
+
           if (f.files.length === 1) {
             $$b.process_cancel(uiStrings$1.notification.loadingImage);
             var reader = new FileReader();
+
             reader.onloadend = function (e) {
               loadSvgString(e.target.result);
               updateCanvas();
             };
+
             reader.readAsText(f.files[0]);
           }
         });
       });
       $$b('#tool_open').show().prepend(open);
-
       var imgImport = $$b('<input type="file">').change(importImage);
       $$b('#tool_import').show().prepend(imgImport);
-    }
+    } // $(function () {
 
-    // $(function () {
-    updateCanvas(true);
-    // });
 
+    updateCanvas(true); // });
     //  const revnums = 'svg-editor.js ($Rev$) ';
     //  revnums += svgCanvas.getVersion();
     //  $('#copyright')[0].setAttribute('title', revnums);
@@ -30826,63 +34004,72 @@
     * @fires module:svgcanvas.SvgCanvas#event:ext-langChanged
     * @returns {undefined}
     */
+
     var setLang = editor.setLang = function (lang, allStrings) {
       editor.langChanged = true;
       $$b.pref('lang', lang);
       $$b('#lang_select').val(lang);
+
       if (!allStrings) {
         return;
       }
-      $$b.extend(uiStrings$1, allStrings);
 
-      // const notif = allStrings.notification; // Currently unused
+      $$b.extend(uiStrings$1, allStrings); // const notif = allStrings.notification; // Currently unused
       // $.extend will only replace the given strings
+
       var oldLayerName = $$b('#layerlist tr.layersel td.layername').text();
       var renameLayer = oldLayerName === uiStrings$1.common.layer + ' 1';
-
       svgCanvas.setUiStrings(allStrings);
       Actions.setTitles();
 
       if (renameLayer) {
         svgCanvas.renameCurrentLayer(uiStrings$1.common.layer + ' 1');
         populateLayers();
-      }
+      } // In case extensions loaded before the locale, now we execute a callback on them
+
 
-      // In case extensions loaded before the locale, now we execute a callback on them
       if (extsPreLang.length) {
         while (extsPreLang.length) {
           var ext = extsPreLang.shift();
           ext.langReady({
             lang: lang,
             uiStrings: uiStrings$1,
-            importLocale: getImportLocale({ defaultLang: lang, defaultName: ext.name })
+            importLocale: getImportLocale({
+              defaultLang: lang,
+              defaultName: ext.name
+            })
           });
         }
       } else {
-        svgCanvas.runExtensions('langReady', /** @type {module:svgcanvas.SvgCanvas#event:ext-langReady} */{ lang: lang, uiStrings: uiStrings$1 });
+        svgCanvas.runExtensions('langReady',
+        /** @type {module:svgcanvas.SvgCanvas#event:ext-langReady} */
+        {
+          lang: lang,
+          uiStrings: uiStrings$1
+        });
       }
-      svgCanvas.runExtensions('langChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-langChanged} */lang);
 
-      // Update flyout tooltips
-      setFlyoutTitles();
+      svgCanvas.runExtensions('langChanged',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-langChanged} */
+      lang); // Update flyout tooltips
+
+      setFlyoutTitles(); // Copy title for certain tool elements
 
-      // Copy title for certain tool elements
       var elems = {
         '#stroke_color': '#tool_stroke .icon_label, #tool_stroke .color_block',
         '#fill_color': '#tool_fill label, #tool_fill .color_block',
         '#linejoin_miter': '#cur_linejoin',
         '#linecap_butt': '#cur_linecap'
       };
-
       $$b.each(elems, function (source, dest) {
         $$b(dest).attr('title', $$b(source)[0].title);
-      });
+      }); // Copy alignment titles
 
-      // Copy alignment titles
       $$b('#multiselected_panel div[id^=tool_align]').each(function () {
         $$b('#tool_pos' + this.id.substr(10))[0].title = this.title;
       });
     };
+
     init$7(
     /**
     * @implements {module:locale.LocaleEditorInit}
@@ -30910,15 +34097,17 @@
           // We pass in a function as we don't know the extension name here when defining this `addLangData` method
           return {
             lang: langParam,
-            importLocale: getImportLocale({ defaultLang: langParam, defaultName: name })
+            importLocale: getImportLocale({
+              defaultLang: langParam,
+              defaultName: name
+            })
           };
         }, true);
       },
-
       curConfig: curConfig
-    });
-    // Load extensions
+    }); // Load extensions
     // Bit of a hack to run extensions in local Opera/IE9
+
     if (document.location.protocol === 'file:') {
       setTimeout(extAndLocaleFunc, 100);
     } else {
@@ -30926,11 +34115,11 @@
       extAndLocaleFunc();
     }
   };
-
   /**
   * @callback module:SVGEditor.ReadyCallback
   * @returns {undefined}
   */
+
   /**
   * Queues a callback to be invoked when the editor is ready (or
   *   to be invoked immediately if it is already ready--i.e.,
@@ -30938,6 +34127,8 @@
   * @param {module:SVGEditor.ReadyCallback} cb Callback to be queued to invoke
   * @returns {undefined}
   */
+
+
   editor.ready = function (cb) {
     if (!isReady) {
       callbacks.push(cb);
@@ -30945,45 +34136,47 @@
       cb();
     }
   };
-
   /**
   * Invokes the callbacks previous set by `svgEditor.ready`
   * @returns {undefined}
   */
+
+
   editor.runCallbacks = function () {
     callbacks.forEach(function (cb) {
       cb();
     });
     isReady = true;
   };
-
   /**
   * @param {string} str The SVG string to load
   * @returns {undefined}
   */
+
+
   editor.loadFromString = function (str) {
     editor.ready(function () {
       loadSvgString(str);
     });
   };
-
   /**
   * Not presently in use
   * @param {PlainObject} featList
   * @returns {undefined}
   */
-  editor.disableUI = function (featList) {
-    // $(function () {
+
+
+  editor.disableUI = function (featList) {// $(function () {
     //   $('#tool_wireframe, #tool_image, #main_button, #tool_source, #sidepanels').remove();
     //   $('#tools_top').css('left', 5);
     // });
   };
-
   /**
    * @callback module:SVGEditor.URLLoadCallback
    * @param {boolean} success
    * @returns {undefined}
    */
+
   /**
   * @param {string} url URL from which to load an SVG string via Ajax
   * @param {PlainObject} [opts] May contain properties: `cache`, `callback`
@@ -30991,6 +34184,8 @@
   * @param {module:SVGEditor.URLLoadCallback} opts.callback Invoked with `true` or `false` depending on success
   * @returns {undefined}
   */
+
+
   editor.loadFromURL = function (url, opts) {
     if (!opts) {
       opts = {};
@@ -30999,8 +34194,6 @@
     var _opts = opts,
         cache = _opts.cache,
         cb = _opts.callback;
-
-
     editor.ready(function () {
       $$b.ajax({
         url: url,
@@ -31025,28 +34218,31 @@
       });
     });
   };
-
   /**
   * @param {string} str The Data URI to base64-decode (if relevant) and load
   * @returns {undefined}
   */
+
+
   editor.loadFromDataURI = function (str) {
     editor.ready(function () {
       var base64 = false;
       var pre = str.match(/^data:image\/svg\+xml;base64,/);
+
       if (pre) {
         base64 = true;
       } else {
         pre = str.match(/^data:image\/svg\+xml(?:;(?:utf8)?)?,/);
       }
+
       if (pre) {
         pre = pre[0];
       }
+
       var src = str.slice(pre.length);
       loadSvgString(base64 ? decode64(src) : decodeURIComponent(src));
     });
   };
-
   /**
    * @param {string} name Used internally; no need for i18n.
    * @param {module:svgcanvas.ExtensionInitCallback} init Config to be invoked on this module
@@ -31054,6 +34250,8 @@
    * @throws {Error} If called too early
    * @returns {Promise} Resolves to `undefined`
   */
+
+
   editor.addExtension = function (name, init$$1, importLocale) {
     // Note that we don't want this on editor.ready since some extensions
     // may want to run before then (like server_opensave).
@@ -31061,16 +34259,15 @@
     if (!svgCanvas) {
       throw new Error('Extension added too early');
     }
-    return svgCanvas.addExtension.call(this, name, init$$1, importLocale);
-    // });
-  };
 
-  // Defer injection to wait out initial menu processing. This probably goes
+    return svgCanvas.addExtension.call(this, name, init$$1, importLocale); // });
+  }; // Defer injection to wait out initial menu processing. This probably goes
   //    away once all context menu behavior is brought to context menu.
+
+
   editor.ready(function () {
     injectExtendedContextMenuItemsIntoDom();
   });
-
   var extensionsAdded = false;
   var messageQueue = [];
   /**
@@ -31079,12 +34276,16 @@
    * @fires module:svgcanvas.SvgCanvas#event:message
    * @returns {undefined}
    */
-  var messageListener = function messageListener(_ref17) {
-    var data = _ref17.data,
-        origin = _ref17.origin;
 
+  var messageListener = function messageListener(_ref18) {
+    var data = _ref18.data,
+        origin = _ref18.origin;
     // console.log('data, origin, extensionsAdded', data, origin, extensionsAdded);
-    var messageObj = { data: data, origin: origin };
+    var messageObj = {
+      data: data,
+      origin: origin
+    };
+
     if (!extensionsAdded) {
       messageQueue.push(messageObj);
     } else {
@@ -31093,10 +34294,10 @@
       svgCanvas.call('message', messageObj);
     }
   };
-  window.addEventListener('message', messageListener);
 
-  // Run init once DOM is loaded
+  window.addEventListener('message', messageListener); // Run init once DOM is loaded
   // jQuery(editor.init);
+
   Promise.resolve().then(function () {
     // We wait a micro-task to let the svgEditor variable be defined for module checks
     editor.init();
diff --git a/dist/index-umd.min.js b/dist/index-umd.min.js
index 24fc8b57..9e9013bf 100644
--- a/dist/index-umd.min.js
+++ b/dist/index-umd.min.js
@@ -1,2 +1,2 @@
-!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):e.svgEditor=t()}(this,function(){"use strict";function e(e){var t=e.changedTouches,n=t[0],r="";switch(e.type){case"touchstart":r="mousedown";break;case"touchmove":r="mousemove";break;case"touchend":r="mouseup";break;default:return}var a=n.screenX,i=n.screenY,o=n.clientX,s=n.clientY,l=new MouseEvent(r,{bubbles:!0,cancelable:!0,view:window,detail:1,screenX:a,screenY:i,clientX:o,clientY:s,ctrlKey:!1,altKey:!1,shiftKey:!1,metaKey:!1,button:0,relatedTarget:null});t.length<2&&(n.target.dispatchEvent(l),e.preventDefault())}document.addEventListener("touchstart",e,!0),document.addEventListener("touchmove",e,!0),document.addEventListener("touchend",e,!0),document.addEventListener("touchcancel",e,!0);var t="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},n=function(e){return function(){var t=e.apply(this,arguments);return new Promise(function(e,n){return function r(a,i){try{var o=t[a](i),s=o.value}catch(e){return void n(e)}if(!o.done)return Promise.resolve(s).then(function(e){r("next",e)},function(e){r("throw",e)});e(s)}("next")})}},r=function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")},a=function(){function e(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}return function(t,n,r){return n&&e(t.prototype,n),r&&e(t,r),t}}(),i=Object.assign||function(e){for(var t=1;t<arguments.length;t++){var n=arguments[t];for(var r in n)Object.prototype.hasOwnProperty.call(n,r)&&(e[r]=n[r])}return e},o=function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)},s=function(e,t){if(!e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!t||"object"!=typeof t&&"function"!=typeof t?e:t},l=function(){return function(e,t){if(Array.isArray(e))return e;if(Symbol.iterator in Object(e))return function(e,t){var n=[],r=!0,a=!1,i=void 0;try{for(var o,s=e[Symbol.iterator]();!(r=(o=s.next()).done)&&(n.push(o.value),!t||n.length!==t);r=!0);}catch(e){a=!0,i=e}finally{try{!r&&s.return&&s.return()}finally{if(a)throw i}}return n}(e,t);throw new TypeError("Invalid attempt to destructure non-iterable instance")}}(),c=function(e){if(Array.isArray(e)){for(var t=0,n=Array(e.length);t<e.length;t++)n[t]=e[t];return n}return Array.from(e)},u={HTML:"http://www.w3.org/1999/xhtml",MATH:"http://www.w3.org/1998/Math/MathML",SE:"http://svg-edit.googlecode.com",SVG:"http://www.w3.org/2000/svg",XLINK:"http://www.w3.org/1999/xlink",XML:"http://www.w3.org/XML/1998/namespace",XMLNS:"http://www.w3.org/2000/xmlns/"},d=function(){var e={};return Object.entries(u).forEach(function(t){var n=l(t,2),r=n[0],a=n[1];e[a]=r.toLowerCase()}),e};!function(){if(!("SVGPathSeg"in window)){var e=function(){function e(t,n,a){r(this,e),this.pathSegType=t,this.pathSegTypeAsLetter=n,this._owningPathSegList=a}return 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t=!1;e.forEach(function(e){"d"===e.attributeName&&(t=!0)}),t&&(this._list=this._parsePath(this._pathElement.getAttribute("d")))}}},{key:"_writeListToPath",value:function(){this._pathElementMutationObserver.disconnect(),this._pathElement.setAttribute("d",e._pathSegArrayAsString(this._list)),this._pathElementMutationObserver.observe(this._pathElement,this._mutationObserverConfig)}},{key:"segmentChanged",value:function(e){this._writeListToPath()}},{key:"clear",value:function(){this._checkPathSynchronizedToList(),this._list.forEach(function(e){e._owningPathSegList=null}),this._list=[],this._writeListToPath()}},{key:"initialize",value:function(e){return this._checkPathSynchronizedToList(),this._list=[e],e._owningPathSegList=this,this._writeListToPath(),e}},{key:"_checkValidIndex",value:function(e){if(isNaN(e)||e<0||e>=this.numberOfItems)throw new Error("INDEX_SIZE_ERR")}},{key:"getItem",value:function(e){return this._checkPathSynchronizedToList(),this._checkValidIndex(e),this._list[e]}},{key:"insertItemBefore",value:function(e,t){return this._checkPathSynchronizedToList(),t>this.numberOfItems&&(t=this.numberOfItems),e._owningPathSegList&&(e=e.clone()),this._list.splice(t,0,e),e._owningPathSegList=this,this._writeListToPath(),e}},{key:"replaceItem",value:function(e,t){return this._checkPathSynchronizedToList(),e._owningPathSegList&&(e=e.clone()),this._checkValidIndex(t),this._list[t]=e,e._owningPathSegList=this,this._writeListToPath(),e}},{key:"removeItem",value:function(e){this._checkPathSynchronizedToList(),this._checkValidIndex(e);var t=this._list[e];return this._list.splice(e,1),this._writeListToPath(),t}},{key:"appendItem",value:function(e){return this._checkPathSynchronizedToList(),e._owningPathSegList&&(e=e.clone()),this._list.push(e),e._owningPathSegList=this,this._writeListToPath(),e}},{key:"_parsePath",value:function(e){if(!e||!e.length)return[];var t=this,n=function(){function 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this._currentIndex<this._endIndex}},{key:"_skipOptionalSpacesOrDelimiter",value:function(){return!(this._currentIndex<this._endIndex&&!this._isCurrentSpace()&&","!==this._string.charAt(this._currentIndex))&&(this._skipOptionalSpaces()&&this._currentIndex<this._endIndex&&","===this._string.charAt(this._currentIndex)&&(this._currentIndex++,this._skipOptionalSpaces()),this._currentIndex<this._endIndex)}},{key:"hasMoreData",value:function(){return this._currentIndex<this._endIndex}},{key:"peekSegmentType",value:function(){var e=this._string[this._currentIndex];return this._pathSegTypeFromChar(e)}},{key:"_pathSegTypeFromChar",value:function(e){switch(e){case"Z":case"z":return SVGPathSeg.PATHSEG_CLOSEPATH;case"M":return SVGPathSeg.PATHSEG_MOVETO_ABS;case"m":return SVGPathSeg.PATHSEG_MOVETO_REL;case"L":return SVGPathSeg.PATHSEG_LINETO_ABS;case"l":return SVGPathSeg.PATHSEG_LINETO_REL;case"C":return SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;case"c":return 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SVGPathSegLinetoRel(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_ABS:return new SVGPathSegLinetoAbs(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:return new SVGPathSegLinetoHorizontalRel(t,this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:return new SVGPathSegLinetoHorizontalAbs(t,this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:return new SVGPathSegLinetoVerticalRel(t,this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:return new SVGPathSegLinetoVerticalAbs(t,this._parseNumber());case SVGPathSeg.PATHSEG_CLOSEPATH:return this._skipOptionalSpaces(),new SVGPathSegClosePath(t);case SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:var r={x1:this._parseNumber(),y1:this._parseNumber(),x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()};return new SVGPathSegCurvetoCubicRel(t,r.x,r.y,r.x1,r.y1,r.x2,r.y2);case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:var 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SVGPathSegCurvetoQuadraticAbs(t,l.x,l.y,l.x1,l.y1);case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:return new SVGPathSegCurvetoQuadraticSmoothRel(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:return new SVGPathSegCurvetoQuadraticSmoothAbs(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_ARC_REL:var c={x1:this._parseNumber(),y1:this._parseNumber(),arcAngle:this._parseNumber(),arcLarge:this._parseArcFlag(),arcSweep:this._parseArcFlag(),x:this._parseNumber(),y:this._parseNumber()};return new SVGPathSegArcRel(t,c.x,c.y,c.x1,c.y1,c.arcAngle,c.arcLarge,c.arcSweep);case SVGPathSeg.PATHSEG_ARC_ABS:var u={x1:this._parseNumber(),y1:this._parseNumber(),arcAngle:this._parseNumber(),arcLarge:this._parseArcFlag(),arcSweep:this._parseArcFlag(),x:this._parseNumber(),y:this._parseNumber()};return new SVGPathSegArcAbs(t,u.x,u.y,u.x1,u.y1,u.arcAngle,u.arcLarge,u.arcSweep);default:throw new Error("Unknown path seg 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n=this.item,r=this.ctrlpts?[n.x+=e,n.y+=t,n.x1,n.y1,n.x2+=e,n.y2+=t]:[n.x+=e,n.y+=t];if(Fe(this.type,this.index,r),this.next&&this.next.ctrlpts){var a=this.next.item,i=[a.x,a.y,a.x1+=e,a.y1+=t,a.x2,a.y2];Fe(this.next.type,this.next.index,i)}if(this.mate){var o=this.mate.item,s=[o.x+=e,o.y+=t];Fe(this.mate.type,this.mate.index,s)}this.update(!0),this.next&&this.next.update(!0)}},{key:"setLinked",value:function(e){var t=void 0,n=void 0,r=void 0;if(2===e){if(n=1,!(t=this.next))return;r=this.item}else{if(n=2,!(t=this.prev))return;r=t.item}var a=t.item;a["x"+n]=r.x+(r.x-this.item["x"+e]),a["y"+n]=r.y+(r.y-this.item["y"+e]);var i=[a.x,a.y,a.x1,a.y1,a.x2,a.y2];Fe(t.type,t.index,i),t.update(!0)}},{key:"moveCtrl",value:function(e,t,n){var r=this.item;r["x"+e]+=t,r["y"+e]+=n;var a=[r.x,r.y,r.x1,r.y1,r.x2,r.y2];Fe(this.type,this.index,a),this.update(!0)}},{key:"setType",value:function(e,t){Fe(e,this.index,t),this.type=e,this.item=Ie.elem.pathSegList.getItem(this.index),this.showCtrlPts(6===e),this.ctrlpts=Ue(this),this.update(!0)}}]),e}(),Ye=function(){function e(t){if(r(this,e),!t||"path"!==t.tagName)throw new Error("svgedit.path.Path constructed without a <path> element");this.elem=t,this.segs=[],this.selected_pts=[],Ie=this,this.init()}return a(e,[{key:"init",value:function(){ke(Re()).find("*").each(function(){ke(this).attr("display","none")});var e=this.elem.pathSegList,t=e.numberOfItems;this.segs=[],this.selected_pts=[],this.first_seg=null;for(var n=0;n<t;n++){var r=e.getItem(n),a=new qe(n,r);a.path=this,this.segs.push(a)}for(var i=this.segs,o=null,s=0;s<t;s++){var l=i[s],c=s+1>=t?null:i[s+1],u=s-1<0?null:i[s-1];if(2===l.type){if(u&&1!==u.type){var d=i[o];d.next=i[o+1],d.next.prev=d,d.addGrip()}o=s}else if(c&&1===c.type)l.next=i[o+1],l.next.prev=l,l.mate=i[o],l.addGrip(),null==this.first_seg&&(this.first_seg=l);else if(c)1!==l.type&&(l.addGrip(),c&&2!==c.type&&(l.next=c,l.next.prev=l));else if(1!==l.type){var h=i[o];h.next=i[o+1],h.next.prev=h,h.addGrip(),l.addGrip(),this.first_seg||(this.first_seg=i[o])}}return this}},{key:"eachSeg",value:function(e){for(var t=this.segs.length,n=0;n<t;n++){if(!1===e.call(this.segs[n],n))break}}},{key:"addSeg",value:function(e){var t=this.segs[e];if(t.prev){var n=t.prev,r=void 0,a=void 0,i=void 0;switch(t.item.pathSegType){case 4:a=(t.item.x+n.item.x)/2,i=(t.item.y+n.item.y)/2,r=this.elem.createSVGPathSegLinetoAbs(a,i);break;case 6:var o=(n.item.x+t.item.x1)/2,s=(t.item.x1+t.item.x2)/2,l=(t.item.x2+t.item.x)/2,c=(o+s)/2,u=(s+l)/2;a=(c+u)/2;var d=(n.item.y+t.item.y1)/2,h=(t.item.y1+t.item.y2)/2,f=(t.item.y2+t.item.y)/2,p=(d+h)/2,g=(h+f)/2;i=(p+g)/2,r=this.elem.createSVGPathSegCurvetoCubicAbs(a,i,o,d,c,p);var v=[t.item.x,t.item.y,u,g,l,f];Fe(t.type,e,v)}Me(this.elem,r,e)}}},{key:"deleteSeg",value:function(e){var t=this.segs[e],n=this.elem.pathSegList;t.show(!1);var r=t.next;if(t.mate){var a=[r.item.x,r.item.y];Fe(2,r.index,a),Fe(4,t.index,a),n.removeItem(t.mate.index)}else if(t.prev)n.removeItem(e);else{var i=[r.item.x,r.item.y];Fe(2,t.next.index,i),n.removeItem(e)}}},{key:"subpathIsClosed",value:function(e){var t=!1;return Ie.eachSeg(function(n){return n<=e||2!==this.type&&(1===this.type?(t=!0,!1):void 0)}),t}},{key:"removePtFromSelection",value:function(e){var t=this.selected_pts.indexOf(e);-1!==t&&(this.segs[e].select(!1),this.selected_pts.splice(t,1))}},{key:"clearSelection",value:function(){this.eachSeg(function(){this.select(!1)}),this.selected_pts=[]}},{key:"storeD",value:function(){this.last_d=this.elem.getAttribute("d")}},{key:"show",value:function(e){return this.eachSeg(function(){this.show(e)}),e&&this.selectPt(this.first_seg.index),this}},{key:"movePts",value:function(e,t){for(var n=this.selected_pts.length;n--;){this.segs[this.selected_pts[n]].move(e,t)}}},{key:"moveCtrl",value:function(e,t){var n=this.segs[this.selected_pts[0]];n.moveCtrl(this.dragctrl,e,t),Pe&&n.setLinked(this.dragctrl)}},{key:"setSegType",value:function(e){this.storeD();for(var t=this.selected_pts.length,n=void 0;t--;){var r=this.selected_pts[t],a=this.segs[r],i=a.prev;if(i){if(!e)n="Toggle Path Segment Type",e=6===a.type?4:6;e=Number(e);var o=a.item.x,s=a.item.y,l=i.item.x,c=i.item.y,u=void 0;switch(e){case 6:if(a.olditem){var d=a.olditem;u=[o,s,d.x1,d.y1,d.x2,d.y2]}else{var h=o-l,f=s-c;u=[o,s,l+h/3,c+f/3,o-h/3,s-f/3]}break;case 4:u=[o,s],a.olditem=a.item}a.setType(e,u)}}Ie.endChanges(n)}},{key:"selectPt",value:function(e,t){this.clearSelection(),null==e&&this.eachSeg(function(t){this.prev&&(e=t)}),this.addPtsToSelection(e),t&&(this.dragctrl=t,Pe&&this.segs[e].setLinked(t))}},{key:"update",value:function(){var e=this.elem;return Yt(e)?(this.matrix=xe(e),this.imatrix=this.matrix.inverse()):(this.matrix=null,this.imatrix=null),this.eachSeg(function(t){this.item=e.pathSegList.getItem(t),this.update()}),this}},{key:"endChanges",value:function(e){L()&&Te.resetD(this.elem);var t=new ue(this.elem,{d:this.last_d},e);Te.endChanges({cmd:t,elem:this.elem})}},{key:"addPtsToSelection",value:function(e){Array.isArray(e)||(e=[e]);for(var t=0;t<e.length;t++){var n=e[t];this.segs[n].ptgrip&&!this.selected_pts.includes(n)&&n>=0&&this.selected_pts.push(n)}this.selected_pts.sort();var r=this.selected_pts.length,a=[];for(a.length=r;r--;){var i=this.selected_pts[r],o=this.segs[i];o.select(!0),a[r]=o.ptgrip}var s=this.subpathIsClosed(this.selected_pts[0]);Te.addPtsToSelection({grips:a,closedSubpath:s})}}]),e}(),We=function(e){var t=Ne[e.id];return t||(t=Ne[e.id]=new Ye(e)),t},Xe=function(e){e in Ne&&delete Ne[e]},Qe=void 0,Ke=void 0,Ze=void 0,$e=void 0,Je=void 0,et=function(e,t){var n=e-Ze,r=t-$e,a=Math.sqrt(n*n+r*r),i=Math.atan2(r,n)+Je;return n=a*Math.cos(i)+Ze,r=a*Math.sin(i)+$e,n-=Qe,r-=Ke,a=Math.sqrt(n*n+r*r),i=Math.atan2(r,n)-Je,{x:a*Math.cos(i)+Qe,y:a*Math.sin(i)+Ke}},tt=function(){var e=Ie.elem;if(Je=Yt(e,!0)){var t=Ie.oldbbox;Ze=t.x+t.width/2,$e=t.y+t.height/2;var n=Ot(e);Qe=n.x+n.width/2,Ke=n.y+n.height/2;var r=Qe-Ze,a=Ke-$e,i=Math.sqrt(r*r+a*a),o=Math.atan2(a,r)+Je;Qe=i*Math.cos(o)+Ze,Ke=i*Math.sin(o)+$e;for(var s=e.pathSegList,l=s.numberOfItems;l;){l-=1;var c=s.getItem(l),u=c.pathSegType;if(1!==u){var d=et(c.x,c.y),h=[d.x,d.y];if(null!=c.x1&&null!=c.x2){var f=et(c.x1,c.y1),p=et(c.x2,c.y2);h.splice(h.length,0,f.x,f.y,p.x,p.y)}Fe(u,l,h)}}Ot(e);var g=Te.getSVGRoot().createSVGTransform(),v=W(e);g.setRotate(180*Je/Math.PI,Qe,Ke),v.replaceItem(g,0)}},nt=[0,"z","M","m","L","l","C","c","Q","q","A","a","H","h","V","v","S","s","T","t"],rt=function(e,t){for(var n=e.pathSegList,r=n.numberOfItems,a=0,i=0,o="",s=null,l=0;l<r;++l){var c=n.getItem(l),u=c.x||0,d=c.y||0,h=c.x1||0,f=c.y1||0,p=c.x2||0,g=c.y2||0,v=c.pathSegType,m=nt[v]["to"+(t?"Lower":"Upper")+"Case"]();switch(v){case 1:o+="z",s&&!t&&(a=s[0],i=s[1]);break;case 12:u-=a;case 13:t?(a+=u,m="l"):(a=u+=a,m="L"),o+=at(m,[[u,i]]);break;case 14:d-=i;case 15:t?(i+=d,m="l"):(i=d+=i,m="L"),o+=at(m,[[a,d]]);break;case 2:case 4:case 18:u-=a,d-=i;case 5:case 3:case 19:t?(a+=u,i+=d):(a=u+=a,i=d+=i),2!==v&&3!==v||(s=[a,i]),o+=at(m,[[u,d]]);break;case 6:u-=a,h-=a,p-=a,d-=i,f-=i,g-=i;case 7:t?(a+=u,i+=d):(h+=a,p+=a,f+=i,g+=i,a=u+=a,i=d+=i),o+=at(m,[[h,f],[p,g],[u,d]]);break;case 8:u-=a,h-=a,d-=i,f-=i;case 9:t?(a+=u,i+=d):(h+=a,f+=i,a=u+=a,i=d+=i),o+=at(m,[[h,f],[u,d]]);break;case 10:u-=a,d-=i;case 11:t?(a+=u,i+=d):(a=u+=a,i=d+=i),o+=at(m,[[c.r1,c.r2]],[c.angle,c.largeArcFlag?1:0,c.sweepFlag?1:0],[u,d]);break;case 16:u-=a,p-=a,d-=i,g-=i;case 17:t?(a+=u,i+=d):(p+=a,g+=i,a=u+=a,i=d+=i),o+=at(m,[[p,g],[u,d]])}}return o};function at(e,t,n,r){ke.each(t,function(e,n){t[e]=ee(n)});var a=e+t.join(" ");return n&&(a+=" "+n.join(" ")),r&&(a+=" "+ee(r)),a}var it,ot,st,lt,ct,ut=(it=!1,ot=void 0,st=void 0,lt=null,ct=!1,{mouseDown:function(e,t,n,r){var a=void 0;if("path"!==Te.getCurrentMode()){if(Ie){Ie.storeD();var i=void 0;if("pathpointgrip_"===(a=e.target.id).substr(0,14)){i=Ie.cur_pt=parseInt(a.substr(14),10),Ie.dragging=[n,r];var o=Ie.segs[i];e.shiftKey?o.selected?Ie.removePtFromSelection(i):Ie.addPtsToSelection(i):((Ie.selected_pts.length<=1||!o.selected)&&Ie.clearSelection(),Ie.addPtsToSelection(i))}else if(a.startsWith("ctrlpointgrip_")){Ie.dragging=[n,r];var s=a.split("_")[1].split("c");i=Number(s[0]);var l=Number(s[1]);Ie.selectPt(i,l)}if(!Ie.dragging){var c=Te.getRubberBox();null==c&&(c=Te.setRubberBox(Te.selectorManager.getRubberBandBox()));var d=Te.getCurrentZoom();Qt(c,{x:n*d,y:r*d,width:0,height:0,display:"inline"},100)}}}else{var h=n,f=r,p=Te.getCurrentZoom(),g=h/p,v=f/p,m=Xt("path_stretch_line");ot=[g,v],Te.getGridSnapping()&&(g=Zt(g),v=Zt(v),h=Zt(h),f=Zt(f)),m||(m=document.createElementNS(u.SVG,"path"),Qt(m,{id:"path_stretch_line",stroke:"#22C","stroke-width":"0.5",fill:"none"}),m=Xt("selectorParentGroup").appendChild(m)),m.setAttribute("display","inline");var _=void 0,y=Te.getDrawnPath();if(y){for(var b=y.pathSegList,x=b.numberOfItems,w=6/p,S=!1;x;){x--;var k=b.getItem(x),C=k.x,A=k.y;if(g>=C-w&&g<=C+w&&v>=A-w&&v<=A+w){S=!0;break}}a=Te.getId(),Xe(a);var E=Xt(a),G=void 0,P=void 0,N=b.numberOfItems;if(S){if(x<=1&&N>=2){var I=b.getItem(0).x,T=b.getItem(0).y;G=4===(P=m.pathSegList.getItem(1)).pathSegType?y.createSVGPathSegLinetoAbs(I,T):y.createSVGPathSegCurvetoCubicAbs(I,T,P.x1/p,P.y1/p,I,T);var L=y.createSVGPathSegClosePath();b.appendItem(G),b.appendItem(L)}else if(N<3)return!1;if(ke(m).remove(),Te.setDrawnPath(null),Te.setStarted(!1),it){Ie.matrix&&Te.remapElement(E,{},Ie.matrix.inverse());var M=E.getAttribute("d"),O=ke(Ie.elem).attr("d");return ke(Ie.elem).attr("d",O+M),ke(E).remove(),Ie.matrix&&tt(),Le(),ut.toEditMode(Ie.elem),Ie.selectPt(),!1}}else{if(!ke.contains(Te.getContainer(),Te.getMouseTarget(e)))return console.log("Clicked outside canvas"),!1;var j=y.pathSegList.numberOfItems,V=y.pathSegList.getItem(j-1),R=V.x,B=V.y;if(e.shiftKey){var D=we(R,B,g,v);g=D.x,v=D.y}G=4===(P=m.pathSegList.getItem(1)).pathSegType?y.createSVGPathSegLinetoAbs(Te.round(g),Te.round(v)):y.createSVGPathSegCurvetoCubicAbs(Te.round(g),Te.round(v),P.x1/p,P.y1/p,P.x2/p,P.y2/p),y.pathSegList.appendItem(G),g*=p,v*=p,m.setAttribute("d",["M",g,v,g,v].join(" ")),_=j,it&&(_+=Ie.segs.length),Ve(_,g,v)}}else{var U="M"+g+","+v+" ";Te.setDrawnPath(Te.addSVGElementFromJson({element:"path",curStyles:!0,attr:{d:U,id:Te.getNextId(),opacity:Te.getOpacity()/2}})),m.setAttribute("d",["M",h,f,h,f].join(" ")),_=it?Ie.segs.length:0,Ve(_,h,f)}}},mouseMove:function(e,t){var n=Te.getCurrentZoom();ct=!0;var r=Te.getDrawnPath();if("path"!==Te.getCurrentMode())if(Ie.dragging){var a=je({x:Ie.dragging[0],y:Ie.dragging[1]},Ie),i=je({x:e,y:t},Ie),o=i.x-a.x,s=i.y-a.y;Ie.dragging=[e,t],Ie.dragctrl?Ie.moveCtrl(o,s):Ie.movePts(o,s)}else Ie.selected_pts=[],Ie.eachSeg(function(e){if(this.next||this.prev){var t=Te.getRubberBox().getBBox(),n=Oe(this),r={x:n.x,y:n.y,width:0,height:0},a=Se(t,r);this.select(a),a&&Ie.selected_pts.push(this.index)}});else{if(!r)return;var l=r.pathSegList,c=l.numberOfItems-1;if(ot){var u=Be("1c1"),d=Be("0c2");u.setAttribute("cx",e),u.setAttribute("cy",t),u.setAttribute("display","inline");var h=ot[0],f=ot[1],p=h+(h-e/n),g=f+(f-t/n);d.setAttribute("cx",p*n),d.setAttribute("cy",g*n),d.setAttribute("display","inline");var v=De(1);if(Qt(v,{x1:e,y1:t,x2:p*n,y2:g*n,display:"inline"}),0===c)st=[e,t];else{var m=l.getItem(c-1),_=m.x,y=m.y;6===m.pathSegType?(_+=_-m.x2,y+=y-m.y2):st&&(_=st[0]/n,y=st[1]/n),Fe(6,c,[h,f,_,y,p,g],r)}}else{var b=Xt("path_stretch_line");if(b){var x=l.getItem(c);if(6===x.pathSegType){var w=x.x+(x.x-x.x2),S=x.y+(x.y-x.y2);Fe(6,1,[e,t,w*n,S*n,e,t],b)}else st?Fe(6,1,[e,t,st[0],st[1],e,t],b):Fe(4,1,[e,t],b)}}}},mouseUp:function(e,t,n,r){var a=Te.getDrawnPath();if("path"===Te.getCurrentMode())return ot=null,a||(t=Xt(Te.getId()),Te.setStarted(!1),st=null),{keep:!0,element:t};var i=Te.getRubberBox();if(Ie.dragging){var o=Ie.cur_pt;Ie.dragging=!1,Ie.dragctrl=!1,Ie.update(),ct&&Ie.endChanges("Move path point(s)"),e.shiftKey||ct||Ie.selectPt(o)}else i&&"none"!==i.getAttribute("display")?(i.setAttribute("display","none"),i.getAttribute("width")<=2&&i.getAttribute("height")<=2&&ut.toSelectMode(e.target)):ut.toSelectMode(e.target);ct=!1},toEditMode:function(e){Ie=We(e),Te.setCurrentMode("pathedit"),Te.clearSelection(),Ie.show(!0).update(),Ie.oldbbox=Ot(Ie.elem),it=!1},toSelectMode:function(e){var t=e===Ie.elem;Te.setCurrentMode("select"),Ie.show(!1),lt=!1,Te.clearSelection(),Ie.matrix&&tt(),t&&(Te.call("selected",[e]),Te.addToSelection([e],!0))},addSubPath:function(e){e?(Te.setCurrentMode("path"),it=!0):(ut.clear(!0),ut.toEditMode(Ie.elem))},select:function(e){lt===e?(ut.toEditMode(e),Te.setCurrentMode("pathedit")):lt=e},reorient:function(){var e=Te.getSelectedElements()[0];if(e&&0!==Yt(e)){var t=new de("Reorient path"),n={d:e.getAttribute("d"),transform:e.getAttribute("transform")};t.addSubCommand(new ue(e,n)),Te.clearSelection(),this.resetOrientation(e),Te.addCommandToHistory(t),We(e).show(!1).matrix=null,this.clear(),Te.addToSelection([e],!0),Te.call("changed",Te.getSelectedElements())}},clear:function(e){var t=Te.getDrawnPath();if(lt=null,t){var n=Xt(Te.getId());ke(Xt("path_stretch_line")).remove(),ke(n).remove(),ke(Xt("pathpointgrip_container")).find("*").attr("display","none"),st=null,Te.setDrawnPath(null),Te.setStarted(!1)}else"pathedit"===Te.getCurrentMode()&&this.toSelectMode();Ie&&Ie.init().show(!1)},resetOrientation:function(e){if(null==e||"path"!==e.nodeName)return!1;var t=W(e),n=be(t).matrix;t.clear(),e.removeAttribute("transform");for(var r=e.pathSegList,a=r.numberOfItems,i=function(t){var a=r.getItem(t),i=a.pathSegType;if(1===i)return"continue";var o=[];ke.each(["",1,2],function(e,t){var r=a["x"+t],i=a["y"+t];if(void 0!==r&&void 0!==i){var s=ge(r,i,n);o.splice(o.length,0,s.x,s.y)}}),Fe(i,t,o,e)},o=0;o<a;++o)i(o);!function(e,t){for(var n=Ot(e),r=0;r<2;r++){var 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J=C.numberOfItems;C.replaceItem(Z,J-3),C.replaceItem(K,J-2),C.replaceItem(Y,J-1)}H.requestSelector(d).resize(),Q("transition",w);break;case"zoom":b*=_,S*=_,Qt(De,{x:Math.min(rt*_,b),y:Math.min(at*_,S),width:Math.abs(b-rt*_),height:Math.abs(S-at*_)},100);break;case"text":Qt(y,{x:x,y:k},1e3);break;case"line":o.gridSnapping&&(x=Zt(x),k=Zt(k));var ee=x,te=k;e.shiftKey&&(ee=(n=we(tt,nt,ee,te)).x,te=n.y),y.setAttributeNS(null,"x2",ee),y.setAttributeNS(null,"y2",te);break;case"foreignObject":case"square":case"rect":case"image":var ne="square"===je||e.shiftKey,re=Math.abs(x-tt),ae=Math.abs(k-nt),ie=void 0,oe=void 0;ne?(re=ae=Math.max(re,ae),ie=tt<x?tt:tt-re,oe=nt<k?nt:nt-ae):(ie=Math.min(tt,x),oe=Math.min(nt,k)),o.gridSnapping&&(re=Zt(re),ae=Zt(ae),ie=Zt(ie),oe=Zt(oe)),Qt(y,{width:re,height:ae,x:ie,y:oe},1e3);break;case"circle":var se=Xn(y).attr(["cx","cy"]);r=se.cx,a=se.cy;var le=Math.sqrt((x-r)*(x-r)+(k-a)*(k-a));o.gridSnapping&&(le=Zt(le)),y.setAttributeNS(null,"r",le);break;case"ellipse":var ce=Xn(y).attr(["cx","cy"]);r=ce.cx,a=ce.cy,o.gridSnapping&&(x=Zt(x),r=Zt(r),k=Zt(k),a=Zt(a)),y.setAttributeNS(null,"rx",Math.abs(x-r));var ue=Math.abs(e.shiftKey?x-r:k-a);y.setAttributeNS(null,"ry",ue);break;case"fhellipse":case"fhrect":et.minx=Math.min(b,et.minx),et.maxx=Math.max(b,et.maxx),et.miny=Math.min(S,et.miny),et.maxy=Math.max(S,et.maxy);case"fhpath":if(ht.x=b,ht.y=S,st.x&&st.y)for(t=0;t<9;t++)if(St=t/10,ft=At((t+1)/10),wt=ft,ft=At(St),(ot+=Math.sqrt((wt.x-ft.x)*(wt.x-ft.x)+(wt.y-ft.y)*(wt.y-ft.y)))>.8){ot-=.8;var de=g.createSVGPoint();de.x=ft.x,de.y=ft.y,y.points.appendItem(de)}st={x:lt.x,y:lt.y},lt={x:ct.x,y:ct.y},ct={x:ht.x,y:ht.y};break;case"path":case"pathedit":if(x*=_,k*=_,o.gridSnapping&&(x=Zt(x),k=Zt(k),tt=Zt(tt),nt=Zt(nt)),e.shiftKey){var he=Ie,fe=void 0,pe=void 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a=ge(e.pageX,e.pageY,$e);jt.select(n,a.x,a.y)}"g"!==r&&"a"!==r||!Yt(n)||(dn(n),n=w[0],K(!0)),y&&An(),"g"!==t.tagName&&"a"!==t.tagName||t===m().getCurrentLayer()||n===H.selectorParentGroup||En(n)}}).mouseup(function(e){if(2!==e.button){var t=Be;if(Be=null,Me){var n=ge(e.pageX,e.pageY,$e),r=n.x*_,a=n.y*_,i=r/_,s=a/_,l=Xt(X()),c=!1,u=i,d=s;Me=!1;var f=void 0,p=void 0;switch(je){case"resize":case"multiselect":null!=De&&(De.setAttribute("display","none"),Ue=[]),je="select";case"select":if(null!=w[0]){if(null==w[1]){var g=w[0];switch(g.tagName){case"g":case"use":case"image":case"foreignObject":break;default:Re.fill=g.getAttribute("fill"),Re.fill_opacity=g.getAttribute("fill-opacity"),Re.stroke=g.getAttribute("stroke"),Re.stroke_opacity=g.getAttribute("stroke-opacity"),Re.stroke_width=g.getAttribute("stroke-width"),Re.stroke_dasharray=g.getAttribute("stroke-dasharray"),Re.stroke_linejoin=g.getAttribute("stroke-linejoin"),Re.stroke_linecap=g.getAttribute("stroke-linecap")}"text"===g.tagName&&(Ae.font_size=g.getAttribute("font-size"),Ae.font_family=g.getAttribute("font-family")),H.requestSelector(g).showGrips(!0)}if(Ke(),u!==rt||d!==at)for(var v=w.length,y=0;y<v&&null!=w[y];++y)w[y].firstChild||H.requestSelector(w[y]).resize();else p=e.target,"path"===w[0].nodeName&&null==w[1]?N.select(w[0]):e.shiftKey&&t!==p&&h.removeFromSelection([p]);if(D()){var b=w[0];b&&(b.removeAttribute("style"),Gt(b,function(e){e.removeAttribute("style")}))}}return;case"zoom":null!=De&&De.setAttribute("display","none");var 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E=N.mouseUp(e,l,r,a);l=E.element,c=E.keep;break;case"pathedit":c=!0,l=null,N.mouseUp(e);break;case"textedit":c=!1,l=null,jt.mouseUp(e,r,a);break;case"rotate":c=!0,l=null,je="select";var G=h.undoMgr.finishUndoableChange();G.isEmpty()||B(G),Ke(),Q("changed",w)}var P=He("mouseUp",{event:e,mouse_x:r,mouse_y:a},!0);if(Xn.each(P,function(e,t){t&&(c=t.keep||c,l=t.element,Me=t.started||Me)}),c||null==l){if(null!=l){h.addedNew=!0;var I=.2,T=void 0;if(ue.beginElement&&parseFloat(l.getAttribute("opacity"))!==x.opacity){T=Xn(ue).clone().attr({to:x.opacity,dur:I}).appendTo(l);try{T[0].beginElement()}catch(e){}}else I=0;setTimeout(function(){T&&T.remove(),l.setAttribute("opacity",x.opacity),l.setAttribute("style","pointer-events:inherit"),Kt(l),"path"===je?N.toEditMode(l):o.selectNew&&Je([l],!0),B(new 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n=e.val("v");y.call(c,z,null!=n?n:100);break;case"r":y.call(c,q,ar((e.val("r")||0)/255*100,4));break;case"g":y.call(c,q,ar((e.val("g")||0)/255*100,4));break;case"b":y.call(c,q,ar((e.val("b")||0)/255*100))}var r=e.val("a");y.call(c,Y,ar(100*(255-(r||0))/255,4))}.call(c,e),function(e){switch(u.color.mode){case"h":var t=e.val("a");y.call(c,Z,ar(100*(255-(t||0))/255,4));break;case"s":var n=e.val("hva"),r=new i({h:n&&n.h||0,s:100,v:null!=n?n.v:100});v.call(c,H,r.val("hex")),y.call(c,X,100-(null!=n?n.v:100)),y.call(c,Z,ar(100*(255-(n&&n.a||0))/255,4));break;case"v":var a=e.val("hsa"),o=new i({h:a&&a.h||0,s:null!=a?a.s:100,v:100});v.call(c,H,o.val("hex")),y.call(c,Z,ar(100*(255-(a&&a.a||0))/255,4));break;case"r":case"g":case"b":var s=e.val("rgba"),l=0,d=0;"r"===u.color.mode?(l=s&&s.b||0,d=s&&s.g||0):"g"===u.color.mode?(l=s&&s.b||0,d=s&&s.r||0):"b"===u.color.mode&&(l=s&&s.r||0,d=s&&s.g||0);var h=d>l?l:d;y.call(c,X,l>d?ar((l-d)/(255-d)*100,4):0),y.call(c,Q,d>l?ar((d-l)/(255-l)*100,4):0),y.call(c,K,ar(h/255*100,4)),y.call(c,Z,ar(100*(255-(s&&s.a||0))/255,4));break;case"a":var f=e.val("a");v.call(c,H,e.val("hex")||"000000"),y.call(c,Z,null!=f?0:100),y.call(c,$,null!=f?100:0)}}.call(c,e)},0)}function p(e,t){var n=j.active;if(t===J||null!=n.val()){var r=e.val("all");switch(u.color.mode){case"h":n.val("sv",{s:r.x,v:100-r.y},t);break;case"s":case"a":n.val("hv",{h:r.x,v:100-r.y},t);break;case"v":n.val("hs",{h:r.x,s:100-r.y},t);break;case"r":n.val("gb",{g:255-r.y,b:r.x},t);break;case"g":n.val("rb",{r:255-r.y,b:r.x},t);break;case"b":n.val("rg",{r:r.x,g:255-r.y},t)}}}function g(e,t){var n=j.active;if(t===ee||null!=n.val())switch(u.color.mode){case"h":n.val("h",{h:360-e.val("y")},t);break;case"s":n.val("s",{s:100-e.val("y")},t);break;case"v":n.val("v",{v:100-e.val("y")},t);break;case"r":n.val("r",{r:255-e.val("y")},t);break;case"g":n.val("g",{g:255-e.val("y")},t);break;case"b":n.val("b",{b:255-e.val("y")},t);break;case"a":n.val("a",255-e.val("y"),t)}}function v(e,t){e.css({backgroundColor:t&&6===t.length&&"#"+t||"transparent"})}function m(e,t){d&&(t.includes("AlphaBar.png")||t.includes("Bars.png")||t.includes("Maps.png"))?(e.attr("pngSrc",t),e.css({backgroundImage:"none",filter:"progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+t+"', sizingMethod='scale')"})):e.css({backgroundImage:"url('"+t+"')"})}function _(e,t){e.css({top:t+"px"})}function y(e,t){if(e.css({visibility:t>0?"visible":"hidden"}),t>0&&t<100)if(d){var n=e.attr("pngSrc");null!=n&&(n.includes("AlphaBar.png")||n.includes("Bars.png")||n.includes("Maps.png"))?e.css({filter:"progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+n+"', sizingMethod='scale') progid:DXImageTransform.Microsoft.Alpha(opacity="+t+")"}):e.css({opacity:ar(t/100,4)})}else e.css({opacity:ar(t/100,4)});else if(0===t||100===t)if(d){var r=e.attr("pngSrc");null!=r&&(r.includes("AlphaBar.png")||r.includes("Bars.png")||r.includes("Maps.png"))?e.css({filter:"progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+r+"', sizingMethod='scale')"}):e.css({opacity:""})}else e.css({opacity:""})}function b(){j.active.val("ahex",j.current.val("ahex"))}function x(t){e(this).parents("tbody:first").find('input:radio[value!="'+t.target.value+'"]').removeAttr("checked"),h.call(c,t.target.value)}function w(){b.call(c)}function S(){b.call(c),u.window.expandable&&L.call(c),"function"==typeof fe&&fe.call(c,j.active,ie)}function k(){(function(){j.current.val("ahex",j.active.val("ahex"))}).call(c),u.window.expandable&&L.call(c),"function"==typeof de&&de.call(c,j.active,ae)}function C(){T.call(c)}function A(e,t){var n=e.val("hex");re.css({backgroundColor:n&&"#"+n||"transparent"}),y.call(c,re,ar(100*(e.val("a")||0)/255,4))}function E(e,t){var n=e.val("hex"),r=e.val("va");se.css({backgroundColor:n&&"#"+n||"transparent"}),y.call(c,le,ar(100*(255-(r&&r.a||0))/255,4)),u.window.bindToInput&&u.window.updateInputColor&&u.window.input.css({backgroundColor:n&&"#"+n||"transparent",color:null==r||r.v>75?"#000000":"#ffffff"})}function G(t){V=parseInt(U.css("left")),R=parseInt(U.css("top")),B=t.pageX,D=t.pageY,e(document).bind("mousemove",P).bind("mouseup",N),t.preventDefault()}function P(t){return U.css({left:V-(B-t.pageX)+"px",top:R-(D-t.pageY)+"px"}),u.window.expandable&&!e.support.boxModel&&U.prev().css({left:U.css("left"),top:U.css("top")}),t.stopPropagation(),t.preventDefault(),!1}function N(t){return e(document).unbind("mousemove",P).unbind("mouseup",N),t.stopPropagation(),t.preventDefault(),!1}function I(t){return t.preventDefault(),t.stopPropagation(),j.active.val("ahex",e(this).attr("title")||null,t.target),!1}function T(){function t(){if(u.window.expandable&&!e.support.boxModel){var t=U.find("table:first");U.before("<iframe/>"),U.prev().css({width:t.width(),height:U.height(),opacity:0,position:"absolute",left:U.css("left"),top:U.css("top")})}}switch(j.current.val("ahex",j.active.val("ahex")),u.window.expandable&&(e(document.body).children("div.jPicker.Container").css({zIndex:10}),U.css({zIndex:20})),u.window.effects.type){case"fade":U.fadeIn(u.window.effects.speed.show,t);break;case"slide":U.slideDown(u.window.effects.speed.show,t);break;case"show":default:U.show(u.window.effects.speed.show,t)}}function L(){function t(){u.window.expandable&&U.css({zIndex:10}),u.window.expandable&&!e.support.boxModel&&U.prev().remove()}switch(u.window.effects.type){case"fade":U.fadeOut(u.window.effects.speed.hide,t);break;case"slide":U.slideUp(u.window.effects.speed.hide,t);break;case"show":default:U.hide(u.window.effects.speed.hide,t)}}var M=u.images,O=u.localization,j={active:"string"===t(u.color.active).toString().toLowerCase()?new i({ahex:!u.window.alphaSupport&&u.color.active?u.color.active.substring(0,6)+"ff":u.color.active}):new i({ahex:!u.window.alphaSupport&&u.color.active.val("ahex")?u.color.active.val("ahex").substring(0,6)+"ff":u.color.active.val("ahex")}),current:"string"===t(u.color.active).toString().toLowerCase()?new i({ahex:!u.window.alphaSupport&&u.color.active?u.color.active.substring(0,6)+"ff":u.color.active}):new i({ahex:!u.window.alphaSupport&&u.color.active.val("ahex")?u.color.active.val("ahex").substring(0,6)+"ff":u.color.active.val("ahex")}),quickList:u.color.quickList},V=null,R=null,B=null,D=null,U=null,F=null,H=null,z=null,q=null,Y=null,W=null,X=null,Q=null,K=null,Z=null,$=null,J=null,ee=null,te=null,ne=null,re=null,ae=null,ie=null,oe=null,se=null,le=null,ce=null,ue=null,de="function"==typeof l[1]?l[1]:null,he="function"==typeof l[2]?l[2]:null,fe="function"==typeof l[3]?l[3]:null;e.extend(!0,c,{commitCallback:de,liveCallback:he,cancelCallback:fe,color:j,show:T,hide:L,destroy:function(){U.find("td.Radio input").unbind("click",x),re.unbind("click",w),ie.unbind("click",S),ae.unbind("click",k),u.window.expandable&&(ce.unbind("click",C),ue.unbind("mousedown",G),c.icon=null),U.find(".QuickColor").unbind("click",I),F=null,H=null,z=null,q=null,Y=null,W=null,X=null,Q=null,K=null,Z=null,$=null,J.destroy(),J=null,ee.destroy(),ee=null,te.destroy(),te=null,ne=null,re=null,ae=null,ie=null,oe=null,de=null,fe=null,he=null,U.html("");for(var e=0;e<o.length;e++)o[e]===c&&o.splice(e,1)}}),o.push(c),setTimeout(function(){(function(){var a=u.window,o=a.expandable?e(c).next().find(".Container:first"):null;(U=a.expandable?e("<div/>"):e(c)).addClass("jPicker Container"),a.expandable&&U.hide(),U.get(0).onselectstart=function(e){if("input"!==e.target.nodeName.toLowerCase())return!1};var s=j.active.val("all");a.alphaPrecision<0?a.alphaPrecision=0:a.alphaPrecision>2&&(a.alphaPrecision=2);var l='<table class="jPicker" cellpadding="0" cellspacing="0">\n          <tbody>\n            '+(a.expandable?'<tr><td class="Move" colspan="5">&nbsp;</td></tr>':"")+'\n            <tr>\n              <td rowspan="9"><h2 class="Title">'+(a.title||O.text.title)+'</h2><div class="Map"><span class="Map1">&nbsp;</span><span class="Map2">&nbsp;</span><span class="Map3">&nbsp;</span><img src="'+(M.clientPath+M.colorMap.arrow.file)+'" class="Arrow"/></div></td>\n              <td rowspan="9"><div class="Bar"><span class="Map1">&nbsp;</span><span class="Map2">&nbsp;</span><span class="Map3">&nbsp;</span><span class="Map4">&nbsp;</span><span class="Map5">&nbsp;</span><span class="Map6">&nbsp;</span><img src="'+(M.clientPath+M.colorBar.arrow.file)+'" class="Arrow"/></div></td>\n              <td colspan="2" class="Preview">'+O.text.newColor+'<div><span class="Active" title="'+O.tooltips.colors.newColor+'">&nbsp;</span><span class="Current" title="'+O.tooltips.colors.currentColor+'">&nbsp;</span></div>'+O.text.currentColor+'</td>\n              <td rowspan="9" class="Button"><input type="button" class="Ok" value="'+O.text.ok+'" title="'+O.tooltips.buttons.ok+'"/><input type="button" class="Cancel" value="'+O.text.cancel+'" title="'+O.tooltips.buttons.cancel+'"/><hr/><div class="Grid">&nbsp;</div></td>\n            </tr>\n            <tr class="Hue">\n              <td class="Radio"><label title="'+O.tooltips.hue.radio+'"><input type="radio" value="h"'+("h"===u.color.mode?' checked="checked"':"")+'/>H:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="'+(null!=s?s.h:"")+'" title="'+O.tooltips.hue.textbox+'"/>&nbsp;&deg;</td>\n            </tr>\n            <tr class="Saturation">\n              <td class="Radio"><label title="'+O.tooltips.saturation.radio+'"><input type="radio" value="s"'+("s"===u.color.mode?' checked="checked"':"")+'/>S:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="'+(null!=s?s.s:"")+'" title="'+O.tooltips.saturation.textbox+'"/>&nbsp;%</td>\n            </tr>\n            <tr class="Value">\n              <td class="Radio"><label title="'+O.tooltips.value.radio+'"><input type="radio" value="v"'+("v"===u.color.mode?' checked="checked"':"")+'/>V:</label><br/><br/></td>\n              <td class="Text"><input type="text" maxlength="3" value="'+(null!=s?s.v:"")+'" title="'+O.tooltips.value.textbox+'"/>&nbsp;%<br/><br/></td>\n            </tr>\n            <tr class="Red">\n              <td class="Radio"><label title="'+O.tooltips.red.radio+'"><input type="radio" value="r"'+("r"===u.color.mode?' checked="checked"':"")+'/>R:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="'+(null!=s?s.r:"")+'" title="'+O.tooltips.red.textbox+'"/></td>\n            </tr>\n            <tr class="Green">\n              <td class="Radio"><label title="'+O.tooltips.green.radio+'"><input type="radio" value="g"'+("g"===u.color.mode?' checked="checked"':"")+'/>G:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="'+(null!=s?s.g:"")+'" 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t=!1;e.forEach(function(e){"d"===e.attributeName&&(t=!0)}),t&&(this._list=this._parsePath(this._pathElement.getAttribute("d")))}}},{key:"_writeListToPath",value:function(){this._pathElementMutationObserver.disconnect(),this._pathElement.setAttribute("d",e._pathSegArrayAsString(this._list)),this._pathElementMutationObserver.observe(this._pathElement,this._mutationObserverConfig)}},{key:"segmentChanged",value:function(e){this._writeListToPath()}},{key:"clear",value:function(){this._checkPathSynchronizedToList(),this._list.forEach(function(e){e._owningPathSegList=null}),this._list=[],this._writeListToPath()}},{key:"initialize",value:function(e){return this._checkPathSynchronizedToList(),this._list=[e],e._owningPathSegList=this,this._writeListToPath(),e}},{key:"_checkValidIndex",value:function(e){if(isNaN(e)||e<0||e>=this.numberOfItems)throw new Error("INDEX_SIZE_ERR")}},{key:"getItem",value:function(e){return this._checkPathSynchronizedToList(),this._checkValidIndex(e),this._list[e]}},{key:"insertItemBefore",value:function(e,t){return this._checkPathSynchronizedToList(),t>this.numberOfItems&&(t=this.numberOfItems),e._owningPathSegList&&(e=e.clone()),this._list.splice(t,0,e),e._owningPathSegList=this,this._writeListToPath(),e}},{key:"replaceItem",value:function(e,t){return this._checkPathSynchronizedToList(),e._owningPathSegList&&(e=e.clone()),this._checkValidIndex(t),this._list[t]=e,e._owningPathSegList=this,this._writeListToPath(),e}},{key:"removeItem",value:function(e){this._checkPathSynchronizedToList(),this._checkValidIndex(e);var t=this._list[e];return this._list.splice(e,1),this._writeListToPath(),t}},{key:"appendItem",value:function(e){return this._checkPathSynchronizedToList(),e._owningPathSegList&&(e=e.clone()),this._list.push(e),e._owningPathSegList=this,this._writeListToPath(),e}},{key:"_parsePath",value:function(e){if(!e||!e.length)return[];var t=this,n=function(){function e(){r(this,e),this.pathSegList=[]}return i(e,[{key:"appendSegment",value:function(e){this.pathSegList.push(e)}}]),e}(),a=function(){function e(t){r(this,e),this._string=t,this._currentIndex=0,this._endIndex=this._string.length,this._previousCommand=SVGPathSeg.PATHSEG_UNKNOWN,this._skipOptionalSpaces()}return i(e,[{key:"_isCurrentSpace",value:function(){var e=this._string[this._currentIndex];return e<=" "&&(" "===e||"\n"===e||"\t"===e||"\r"===e||"\f"===e)}},{key:"_skipOptionalSpaces",value:function(){for(;this._currentIndex<this._endIndex&&this._isCurrentSpace();)this._currentIndex++;return this._currentIndex<this._endIndex}},{key:"_skipOptionalSpacesOrDelimiter",value:function(){return!(this._currentIndex<this._endIndex&&!this._isCurrentSpace()&&","!==this._string.charAt(this._currentIndex))&&(this._skipOptionalSpaces()&&this._currentIndex<this._endIndex&&","===this._string.charAt(this._currentIndex)&&(this._currentIndex++,this._skipOptionalSpaces()),this._currentIndex<this._endIndex)}},{key:"hasMoreData",value:function(){return this._currentIndex<this._endIndex}},{key:"peekSegmentType",value:function(){var e=this._string[this._currentIndex];return this._pathSegTypeFromChar(e)}},{key:"_pathSegTypeFromChar",value:function(e){switch(e){case"Z":case"z":return SVGPathSeg.PATHSEG_CLOSEPATH;case"M":return SVGPathSeg.PATHSEG_MOVETO_ABS;case"m":return SVGPathSeg.PATHSEG_MOVETO_REL;case"L":return SVGPathSeg.PATHSEG_LINETO_ABS;case"l":return SVGPathSeg.PATHSEG_LINETO_REL;case"C":return SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;case"c":return SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;case"Q":return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;case"q":return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;case"A":return SVGPathSeg.PATHSEG_ARC_ABS;case"a":return SVGPathSeg.PATHSEG_ARC_REL;case"H":return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;case"h":return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;case"V":return SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;case"v":return SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;case"S":return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;case"s":return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;case"T":return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;case"t":return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;default:return 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e=0,t=0,n=1,r=0,a=1,i=1,o=this._currentIndex;if(this._skipOptionalSpaces(),this._currentIndex<this._endIndex&&"+"===this._string.charAt(this._currentIndex)?this._currentIndex++:this._currentIndex<this._endIndex&&"-"===this._string.charAt(this._currentIndex)&&(this._currentIndex++,a=-1),!(this._currentIndex===this._endIndex||(this._string.charAt(this._currentIndex)<"0"||this._string.charAt(this._currentIndex)>"9")&&"."!==this._string.charAt(this._currentIndex))){for(var s=this._currentIndex;this._currentIndex<this._endIndex&&this._string.charAt(this._currentIndex)>="0"&&this._string.charAt(this._currentIndex)<="9";)this._currentIndex++;if(this._currentIndex!==s)for(var 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u=t+r;if(u*=a,e&&(u*=Math.pow(10,i*e)),o!==this._currentIndex)return this._skipOptionalSpacesOrDelimiter(),u}}},{key:"_parseArcFlag",value:function(){if(!(this._currentIndex>=this._endIndex)){var e=!1,t=this._string.charAt(this._currentIndex++);if("0"===t)e=!1;else{if("1"!==t)return;e=!0}return this._skipOptionalSpacesOrDelimiter(),e}}},{key:"parseSegment",value:function(){var e=this._string[this._currentIndex],n=this._pathSegTypeFromChar(e);if(n===SVGPathSeg.PATHSEG_UNKNOWN){if(this._previousCommand===SVGPathSeg.PATHSEG_UNKNOWN)return null;if((n=this._nextCommandHelper(e,this._previousCommand))===SVGPathSeg.PATHSEG_UNKNOWN)return null}else this._currentIndex++;switch(this._previousCommand=n,n){case SVGPathSeg.PATHSEG_MOVETO_REL:return new SVGPathSegMovetoRel(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_MOVETO_ABS:return new SVGPathSegMovetoAbs(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_REL:return new SVGPathSegLinetoRel(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_ABS:return new SVGPathSegLinetoAbs(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:return new SVGPathSegLinetoHorizontalRel(t,this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:return new SVGPathSegLinetoHorizontalAbs(t,this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:return new SVGPathSegLinetoVerticalRel(t,this._parseNumber());case SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:return new SVGPathSegLinetoVerticalAbs(t,this._parseNumber());case SVGPathSeg.PATHSEG_CLOSEPATH:return this._skipOptionalSpaces(),new SVGPathSegClosePath(t);case SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:var r={x1:this._parseNumber(),y1:this._parseNumber(),x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()};return new SVGPathSegCurvetoCubicRel(t,r.x,r.y,r.x1,r.y1,r.x2,r.y2);case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:var 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SVGPathSegCurvetoQuadraticAbs(t,l.x,l.y,l.x1,l.y1);case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:return new SVGPathSegCurvetoQuadraticSmoothRel(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:return new SVGPathSegCurvetoQuadraticSmoothAbs(t,this._parseNumber(),this._parseNumber());case SVGPathSeg.PATHSEG_ARC_REL:var c={x1:this._parseNumber(),y1:this._parseNumber(),arcAngle:this._parseNumber(),arcLarge:this._parseArcFlag(),arcSweep:this._parseArcFlag(),x:this._parseNumber(),y:this._parseNumber()};return new SVGPathSegArcRel(t,c.x,c.y,c.x1,c.y1,c.arcAngle,c.arcLarge,c.arcSweep);case SVGPathSeg.PATHSEG_ARC_ABS:var u={x1:this._parseNumber(),y1:this._parseNumber(),arcAngle:this._parseNumber(),arcLarge:this._parseArcFlag(),arcSweep:this._parseArcFlag(),x:this._parseNumber(),y:this._parseNumber()};return new SVGPathSegArcAbs(t,u.x,u.y,u.x1,u.y1,u.arcAngle,u.arcLarge,u.arcSweep);default:throw new Error("Unknown path seg 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n=this.item,r=this.ctrlpts?[n.x+=e,n.y+=t,n.x1,n.y1,n.x2+=e,n.y2+=t]:[n.x+=e,n.y+=t];if(Ze(this.type,this.index,r),this.next&&this.next.ctrlpts){var a=this.next.item,i=[a.x,a.y,a.x1+=e,a.y1+=t,a.x2,a.y2];Ze(this.next.type,this.next.index,i)}if(this.mate){var o=this.mate.item,s=[o.x+=e,o.y+=t];Ze(this.mate.type,this.mate.index,s)}this.update(!0),this.next&&this.next.update(!0)}},{key:"setLinked",value:function(e){var t,n,r;if(2===e){if(n=1,!(t=this.next))return;r=this.item}else{if(n=2,!(t=this.prev))return;r=t.item}var a=t.item;a["x"+n]=r.x+(r.x-this.item["x"+e]),a["y"+n]=r.y+(r.y-this.item["y"+e]);var i=[a.x,a.y,a.x1,a.y1,a.x2,a.y2];Ze(t.type,t.index,i),t.update(!0)}},{key:"moveCtrl",value:function(e,t,n){var r=this.item;r["x"+e]+=t,r["y"+e]+=n;var a=[r.x,r.y,r.x1,r.y1,r.x2,r.y2];Ze(this.type,this.index,a),this.update(!0)}},{key:"setType",value:function(e,t){Ze(e,this.index,t),this.type=e,this.item=De.elem.pathSegList.getItem(this.index),this.showCtrlPts(6===e),this.ctrlpts=Ke(this),this.update(!0)}}]),e}(),tt=function(){function e(t){if(r(this,e),!t||"path"!==t.tagName)throw new Error("svgedit.path.Path constructed without a <path> element");this.elem=t,this.segs=[],this.selected_pts=[],De=this,this.init()}return i(e,[{key:"init",value:function(){Le(We()).find("*").each(function(){Le(this).attr("display","none")});var e=this.elem.pathSegList,t=e.numberOfItems;this.segs=[],this.selected_pts=[],this.first_seg=null;for(var n=0;n<t;n++){var r=e.getItem(n),a=new et(n,r);a.path=this,this.segs.push(a)}for(var i=this.segs,o=null,s=0;s<t;s++){var l=i[s],c=s+1>=t?null:i[s+1],u=s-1<0?null:i[s-1];if(2===l.type){if(u&&1!==u.type){var d=i[o];d.next=i[o+1],d.next.prev=d,d.addGrip()}o=s}else if(c&&1===c.type)l.next=i[o+1],l.next.prev=l,l.mate=i[o],l.addGrip(),null==this.first_seg&&(this.first_seg=l);else if(c)1!==l.type&&(l.addGrip(),c&&2!==c.type&&(l.next=c,l.next.prev=l));else if(1!==l.type){var h=i[o];h.next=i[o+1],h.next.prev=h,h.addGrip(),l.addGrip(),this.first_seg||(this.first_seg=i[o])}}return this}},{key:"eachSeg",value:function(e){for(var t=this.segs.length,n=0;n<t;n++){if(!1===e.call(this.segs[n],n))break}}},{key:"addSeg",value:function(e){var t=this.segs[e];if(t.prev){var n,r,a,i=t.prev;switch(t.item.pathSegType){case 4:r=(t.item.x+i.item.x)/2,a=(t.item.y+i.item.y)/2,n=this.elem.createSVGPathSegLinetoAbs(r,a);break;case 6:var o=(i.item.x+t.item.x1)/2,s=(t.item.x1+t.item.x2)/2,l=(t.item.x2+t.item.x)/2,c=(o+s)/2,u=(s+l)/2;r=(c+u)/2;var d=(i.item.y+t.item.y1)/2,h=(t.item.y1+t.item.y2)/2,f=(t.item.y2+t.item.y)/2,p=(d+h)/2,g=(h+f)/2;a=(p+g)/2,n=this.elem.createSVGPathSegCurvetoCubicAbs(r,a,o,d,c,p);var m=[t.item.x,t.item.y,u,g,l,f];Ze(t.type,e,m)}He(this.elem,n,e)}}},{key:"deleteSeg",value:function(e){var t=this.segs[e],n=this.elem.pathSegList;t.show(!1);var r=t.next;if(t.mate){var a=[r.item.x,r.item.y];Ze(2,r.index,a),Ze(4,t.index,a),n.removeItem(t.mate.index)}else if(t.prev)n.removeItem(e);else{var i=[r.item.x,r.item.y];Ze(2,t.next.index,i),n.removeItem(e)}}},{key:"subpathIsClosed",value:function(e){var t=!1;return De.eachSeg(function(n){return n<=e||2!==this.type&&(1===this.type?(t=!0,!1):void 0)}),t}},{key:"removePtFromSelection",value:function(e){var t=this.selected_pts.indexOf(e);-1!==t&&(this.segs[e].select(!1),this.selected_pts.splice(t,1))}},{key:"clearSelection",value:function(){this.eachSeg(function(){this.select(!1)}),this.selected_pts=[]}},{key:"storeD",value:function(){this.last_d=this.elem.getAttribute("d")}},{key:"show",value:function(e){return this.eachSeg(function(){this.show(e)}),e&&this.selectPt(this.first_seg.index),this}},{key:"movePts",value:function(e,t){for(var n=this.selected_pts.length;n--;){this.segs[this.selected_pts[n]].move(e,t)}}},{key:"moveCtrl",value:function(e,t){var n=this.segs[this.selected_pts[0]];n.moveCtrl(this.dragctrl,e,t),Re&&n.setLinked(this.dragctrl)}},{key:"setSegType",value:function(e){this.storeD();for(var t,n=this.selected_pts.length;n--;){var r=this.selected_pts[n],a=this.segs[r],i=a.prev;if(i){if(!e)t="Toggle Path Segment Type",e=6===a.type?4:6;e=Number(e);var o=a.item.x,s=a.item.y,l=i.item.x,c=i.item.y,u=void 0;switch(e){case 6:if(a.olditem){var d=a.olditem;u=[o,s,d.x1,d.y1,d.x2,d.y2]}else{var h=o-l,f=s-c;u=[o,s,l+h/3,c+f/3,o-h/3,s-f/3]}break;case 4:u=[o,s],a.olditem=a.item}a.setType(e,u)}}De.endChanges(t)}},{key:"selectPt",value:function(e,t){this.clearSelection(),null==e&&this.eachSeg(function(t){this.prev&&(e=t)}),this.addPtsToSelection(e),t&&(this.dragctrl=t,Re&&this.segs[e].setLinked(t))}},{key:"update",value:function(){var e=this.elem;return Kt(e)?(this.matrix=Ne(e),this.imatrix=this.matrix.inverse()):(this.matrix=null,this.imatrix=null),this.eachSeg(function(t){this.item=e.pathSegList.getItem(t),this.update()}),this}},{key:"endChanges",value:function(e){j()&&Ue.resetD(this.elem);var t=new pe(this.elem,{d:this.last_d},e);Ue.endChanges({cmd:t,elem:this.elem})}},{key:"addPtsToSelection",value:function(e){Array.isArray(e)||(e=[e]);for(var t=0;t<e.length;t++){var n=e[t];this.segs[n].ptgrip&&!this.selected_pts.includes(n)&&n>=0&&this.selected_pts.push(n)}this.selected_pts.sort();var r=this.selected_pts.length,a=[];for(a.length=r;r--;){var i=this.selected_pts[r],o=this.segs[i];o.select(!0),a[r]=o.ptgrip}var s=this.subpathIsClosed(this.selected_pts[0]);Ue.addPtsToSelection({grips:a,closedSubpath:s})}}]),e}(),nt=function(e){var t=Be[e.id];return t||(t=Be[e.id]=new tt(e)),t},rt=function(e){e in Be&&delete Be[e]},at=function(e,t){var n=e-_e,r=t-ye,a=Math.sqrt(n*n+r*r),i=Math.atan2(r,n)+be;return n=a*Math.cos(i)+_e,r=a*Math.sin(i)+ye,n-=me,r-=ve,a=Math.sqrt(n*n+r*r),i=Math.atan2(r,n)-be,{x:a*Math.cos(i)+me,y:a*Math.sin(i)+ve}},it=function(){var e=De.elem;if(be=Kt(e,!0)){var t=De.oldbbox;_e=t.x+t.width/2,ye=t.y+t.height/2;var n=Bt(e);me=n.x+n.width/2,ve=n.y+n.height/2;var r=me-_e,a=ve-ye,i=Math.sqrt(r*r+a*a),o=Math.atan2(a,r)+be;me=i*Math.cos(o)+_e,ve=i*Math.sin(o)+ye;for(var s=e.pathSegList,l=s.numberOfItems;l;){l-=1;var c=s.getItem(l),u=c.pathSegType;if(1!==u){var d=at(c.x,c.y),h=[d.x,d.y];if(null!=c.x1&&null!=c.x2){var f=at(c.x1,c.y1),p=at(c.x2,c.y2);h.splice(h.length,0,f.x,f.y,p.x,p.y)}Ze(u,l,h)}}Bt(e);var g=Ue.getSVGRoot().createSVGTransform(),m=$(e);g.setRotate(180*be/Math.PI,me,ve),m.replaceItem(g,0)}},ot=[0,"z","M","m","L","l","C","c","Q","q","A","a","H","h","V","v","S","s","T","t"],st=function(e,t){for(var n=e.pathSegList,r=n.numberOfItems,a=0,i=0,o="",s=null,l=0;l<r;++l){var c=n.getItem(l),u=c.x||0,d=c.y||0,h=c.x1||0,f=c.y1||0,p=c.x2||0,g=c.y2||0,m=c.pathSegType,v=ot[m]["to"+(t?"Lower":"Upper")+"Case"]();switch(m){case 1:o+="z",s&&!t&&(a=s[0],i=s[1]);break;case 12:u-=a;case 13:t?(a+=u,v="l"):(a=u+=a,v="L"),o+=lt(v,[[u,i]]);break;case 14:d-=i;case 15:t?(i+=d,v="l"):(i=d+=i,v="L"),o+=lt(v,[[a,d]]);break;case 2:case 4:case 18:u-=a,d-=i;case 5:case 3:case 19:t?(a+=u,i+=d):(a=u+=a,i=d+=i),2!==m&&3!==m||(s=[a,i]),o+=lt(v,[[u,d]]);break;case 6:u-=a,h-=a,p-=a,d-=i,f-=i,g-=i;case 7:t?(a+=u,i+=d):(h+=a,p+=a,f+=i,g+=i,a=u+=a,i=d+=i),o+=lt(v,[[h,f],[p,g],[u,d]]);break;case 8:u-=a,h-=a,d-=i,f-=i;case 9:t?(a+=u,i+=d):(h+=a,f+=i,a=u+=a,i=d+=i),o+=lt(v,[[h,f],[u,d]]);break;case 10:u-=a,d-=i;case 11:t?(a+=u,i+=d):(a=u+=a,i=d+=i),o+=lt(v,[[c.r1,c.r2]],[c.angle,c.largeArcFlag?1:0,c.sweepFlag?1:0],[u,d]);break;case 16:u-=a,p-=a,d-=i,g-=i;case 17:t?(a+=u,i+=d):(p+=a,g+=i,a=u+=a,i=d+=i),o+=lt(v,[[p,g],[u,d]])}}return o};function lt(e,t,n,r){Le.each(t,function(e,n){t[e]=ae(n)});var a=e+t.join(" ");return n&&(a+=" "+n.join(" ")),r&&(a+=" "+ae(r)),a}var ct,ut,dt,ht,ft,pt=(dt=!1,ht=null,ft=!1,{mouseDown:function(e,t,n,r){var a;if("path"!==Ue.getCurrentMode()){if(De){var i;if(De.storeD(),"pathpointgrip_"===(a=e.target.id).substr(0,14)){i=De.cur_pt=parseInt(a.substr(14),10),De.dragging=[n,r];var o=De.segs[i];e.shiftKey?o.selected?De.removePtFromSelection(i):De.addPtsToSelection(i):((De.selected_pts.length<=1||!o.selected)&&De.clearSelection(),De.addPtsToSelection(i))}else if(a.startsWith("ctrlpointgrip_")){De.dragging=[n,r];var s=a.split("_")[1].split("c");i=Number(s[0]);var l=Number(s[1]);De.selectPt(i,l)}if(!De.dragging){var c=Ue.getRubberBox();null==c&&(c=Ue.setRubberBox(Ue.selectorManager.getRubberBandBox()));var u=Ue.getCurrentZoom();Jt(c,{x:n*u,y:r*u,width:0,height:0,display:"inline"},100)}}}else{var d=n,h=r,f=Ue.getCurrentZoom(),g=d/f,m=h/f,v=$t("path_stretch_line");ct=[g,m],Ue.getGridSnapping()&&(g=tn(g),m=tn(m),d=tn(d),h=tn(h)),v||(v=document.createElementNS(p.SVG,"path"),Jt(v,{id:"path_stretch_line",stroke:"#22C","stroke-width":"0.5",fill:"none"}),v=$t("selectorParentGroup").appendChild(v)),v.setAttribute("display","inline");var _,y=Ue.getDrawnPath();if(y){for(var b=y.pathSegList,x=b.numberOfItems,w=6/f,S=!1;x;){x--;var k=b.getItem(x),C=k.x,A=k.y;if(g>=C-w&&g<=C+w&&m>=A-w&&m<=A+w){S=!0;break}}a=Ue.getId(),rt(a);var E,G,P=$t(a),N=b.numberOfItems;if(S){if(x<=1&&N>=2){var I=b.getItem(0).x,T=b.getItem(0).y;E=4===(G=v.pathSegList.getItem(1)).pathSegType?y.createSVGPathSegLinetoAbs(I,T):y.createSVGPathSegCurvetoCubicAbs(I,T,G.x1/f,G.y1/f,I,T);var L=y.createSVGPathSegClosePath();b.appendItem(E),b.appendItem(L)}else if(N<3)return!1;if(Le(v).remove(),Ue.setDrawnPath(null),Ue.setStarted(!1),dt){De.matrix&&Ue.remapElement(P,{},De.matrix.inverse());var M=P.getAttribute("d"),O=Le(De.elem).attr("d");return Le(De.elem).attr("d",O+M),Le(P).remove(),De.matrix&&it(),Fe(),pt.toEditMode(De.elem),De.selectPt(),!1}}else{if(!Le.contains(Ue.getContainer(),Ue.getMouseTarget(e)))return console.log("Clicked outside canvas"),!1;var V=y.pathSegList.numberOfItems,j=y.pathSegList.getItem(V-1),R=j.x,B=j.y;if(e.shiftKey){var D=Ie(R,B,g,m);g=D.x,m=D.y}E=4===(G=v.pathSegList.getItem(1)).pathSegType?y.createSVGPathSegLinetoAbs(Ue.round(g),Ue.round(m)):y.createSVGPathSegCurvetoCubicAbs(Ue.round(g),Ue.round(m),G.x1/f,G.y1/f,G.x2/f,G.y2/f),y.pathSegList.appendItem(E),g*=f,m*=f,v.setAttribute("d",["M",g,m,g,m].join(" ")),_=V,dt&&(_+=De.segs.length),Ye(_,g,m)}}else{var U="M"+g+","+m+" ";Ue.setDrawnPath(Ue.addSVGElementFromJson({element:"path",curStyles:!0,attr:{d:U,id:Ue.getNextId(),opacity:Ue.getOpacity()/2}})),v.setAttribute("d",["M",d,h,d,h].join(" ")),_=dt?De.segs.length:0,Ye(_,d,h)}}},mouseMove:function(e,t){var n=Ue.getCurrentZoom();ft=!0;var r=Ue.getDrawnPath();if("path"!==Ue.getCurrentMode())if(De.dragging){var a=qe({x:De.dragging[0],y:De.dragging[1]},De),i=qe({x:e,y:t},De),o=i.x-a.x,s=i.y-a.y;De.dragging=[e,t],De.dragctrl?De.moveCtrl(o,s):De.movePts(o,s)}else De.selected_pts=[],De.eachSeg(function(e){if(this.next||this.prev){var t=Ue.getRubberBox().getBBox(),n=ze(this),r={x:n.x,y:n.y,width:0,height:0},a=Te(t,r);this.select(a),a&&De.selected_pts.push(this.index)}});else{if(!r)return;var l=r.pathSegList,c=l.numberOfItems-1;if(ct){var u=Xe("1c1"),d=Xe("0c2");u.setAttribute("cx",e),u.setAttribute("cy",t),u.setAttribute("display","inline");var h=ct[0],f=ct[1],p=h+(h-e/n),g=f+(f-t/n);d.setAttribute("cx",p*n),d.setAttribute("cy",g*n),d.setAttribute("display","inline");var m=Qe(1);if(Jt(m,{x1:e,y1:t,x2:p*n,y2:g*n,display:"inline"}),0===c)ut=[e,t];else{var v=l.getItem(c-1),_=v.x,y=v.y;6===v.pathSegType?(_+=_-v.x2,y+=y-v.y2):ut&&(_=ut[0]/n,y=ut[1]/n),Ze(6,c,[h,f,_,y,p,g],r)}}else{var b=$t("path_stretch_line");if(b){var x=l.getItem(c);if(6===x.pathSegType){var w=x.x+(x.x-x.x2),S=x.y+(x.y-x.y2);Ze(6,1,[e,t,w*n,S*n,e,t],b)}else ut?Ze(6,1,[e,t,ut[0],ut[1],e,t],b):Ze(4,1,[e,t],b)}}}},mouseUp:function(e,t,n,r){var a=Ue.getDrawnPath();if("path"===Ue.getCurrentMode())return ct=null,a||(t=$t(Ue.getId()),Ue.setStarted(!1),ut=null),{keep:!0,element:t};var i=Ue.getRubberBox();if(De.dragging){var o=De.cur_pt;De.dragging=!1,De.dragctrl=!1,De.update(),ft&&De.endChanges("Move path point(s)"),e.shiftKey||ft||De.selectPt(o)}else i&&"none"!==i.getAttribute("display")?(i.setAttribute("display","none"),i.getAttribute("width")<=2&&i.getAttribute("height")<=2&&pt.toSelectMode(e.target)):pt.toSelectMode(e.target);ft=!1},toEditMode:function(e){De=nt(e),Ue.setCurrentMode("pathedit"),Ue.clearSelection(),De.show(!0).update(),De.oldbbox=Bt(De.elem),dt=!1},toSelectMode:function(e){var t=e===De.elem;Ue.setCurrentMode("select"),De.show(!1),ht=!1,Ue.clearSelection(),De.matrix&&it(),t&&(Ue.call("selected",[e]),Ue.addToSelection([e],!0))},addSubPath:function(e){e?(Ue.setCurrentMode("path"),dt=!0):(pt.clear(!0),pt.toEditMode(De.elem))},select:function(e){ht===e?(pt.toEditMode(e),Ue.setCurrentMode("pathedit")):ht=e},reorient:function(){var e=Ue.getSelectedElements()[0];if(e&&0!==Kt(e)){var t=new ge("Reorient path"),n={d:e.getAttribute("d"),transform:e.getAttribute("transform")};t.addSubCommand(new pe(e,n)),Ue.clearSelection(),this.resetOrientation(e),Ue.addCommandToHistory(t),nt(e).show(!1).matrix=null,this.clear(),Ue.addToSelection([e],!0),Ue.call("changed",Ue.getSelectedElements())}},clear:function(e){var t=Ue.getDrawnPath();if(ht=null,t){var n=$t(Ue.getId());Le($t("path_stretch_line")).remove(),Le(n).remove(),Le($t("pathpointgrip_container")).find("*").attr("display","none"),ut=null,Ue.setDrawnPath(null),Ue.setStarted(!1)}else"pathedit"===Ue.getCurrentMode()&&this.toSelectMode();De&&De.init().show(!1)},resetOrientation:function(e){if(null==e||"path"!==e.nodeName)return!1;var t=$(e),n=Pe(t).matrix;t.clear(),e.removeAttribute("transform");for(var r=e.pathSegList,a=r.numberOfItems,i=function(t){var a=r.getItem(t),i=a.pathSegType;if(1===i)return"continue";var o=[];Le.each(["",1,2],function(e,t){var r=a["x"+t],i=a["y"+t];if(void 0!==r&&void 0!==i){var s=ke(r,i,n);o.splice(o.length,0,s.x,s.y)}}),Ze(i,t,o,e)},o=0;o<a;++o)i(o);!function(e,t){for(var n=Bt(e),r=0;r<2;r++){var 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i({ahex:!u.window.alphaSupport&&u.color.active.val("ahex")?u.color.active.val("ahex").substring(0,6)+"ff":u.color.active.val("ahex")}),quickList:u.color.quickList},j=null,R=null,B=null,D=null,U=null,F=null,H=null,z=null,q=null,Y=null,W=null,X=null,Q=null,K=null,Z=null,$=null,J=null,ee=null,te=null,ne=null,re=null,ae=null,ie=null,oe=null,se=null,le=null,ce=null,ue=null,de="function"==typeof l[1]?l[1]:null,he="function"==typeof l[2]?l[2]:null,fe="function"==typeof l[3]?l[3]:null;t.extend(!0,c,{commitCallback:de,liveCallback:he,cancelCallback:fe,color:V,show:T,hide:L,destroy:function(){U.find("td.Radio 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class="Button"><input type="button" class="Ok" value="').concat(O.text.ok,'" title="').concat(O.tooltips.buttons.ok,'"/><input type="button" class="Cancel" value="').concat(O.text.cancel,'" title="').concat(O.tooltips.buttons.cancel,'"/><hr/><div class="Grid">&nbsp;</div></td>\n            </tr>\n            <tr class="Hue">\n              <td class="Radio"><label title="').concat(O.tooltips.hue.radio,'"><input type="radio" value="h"').concat("h"===u.color.mode?' checked="checked"':"",'/>H:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="').concat(null!=s?s.h:"",'" title="').concat(O.tooltips.hue.textbox,'"/>&nbsp;&deg;</td>\n            </tr>\n            <tr class="Saturation">\n              <td class="Radio"><label title="').concat(O.tooltips.saturation.radio,'"><input type="radio" value="s"').concat("s"===u.color.mode?' checked="checked"':"",'/>S:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="').concat(null!=s?s.s:"",'" title="').concat(O.tooltips.saturation.textbox,'"/>&nbsp;%</td>\n            </tr>\n            <tr class="Value">\n              <td class="Radio"><label title="').concat(O.tooltips.value.radio,'"><input type="radio" value="v"').concat("v"===u.color.mode?' checked="checked"':"",'/>V:</label><br/><br/></td>\n              <td class="Text"><input type="text" maxlength="3" value="').concat(null!=s?s.v:"",'" title="').concat(O.tooltips.value.textbox,'"/>&nbsp;%<br/><br/></td>\n            </tr>\n            <tr class="Red">\n              <td class="Radio"><label title="').concat(O.tooltips.red.radio,'"><input type="radio" value="r"').concat("r"===u.color.mode?' checked="checked"':"",'/>R:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="').concat(null!=s?s.r:"",'" title="').concat(O.tooltips.red.textbox,'"/></td>\n            </tr>\n            <tr class="Green">\n              <td class="Radio"><label 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diff --git a/dist/index-umd.min.js.map b/dist/index-umd.min.js.map
index a0a8032e..2afce4c6 100644
--- a/dist/index-umd.min.js.map
+++ b/dist/index-umd.min.js.map
@@ -1 +1 @@
-{"version":3,"file":"index-umd.min.js","sources":["../editor/touch.js","../editor/namespaces.js","../editor/svgpathseg.js","../editor/browser.js","../editor/jQuery.attr.js","../editor/svgtransformlist.js","../editor/units.js","../editor/history.js","../editor/math.js","../editor/path.js","../editor/utilities.js","../editor/contextmenu.js","../editor/external/dynamic-import-polyfill/importModule.js","../editor/layer.js","../editor/historyrecording.js","../editor/draw.js","../editor/sanitize.js","../editor/coords.js","../editor/recalculate.js","../editor/select.js","../editor/svgcanvas.js","../editor/jgraduate/jQuery.jGraduate.js","../editor/jgraduate/jQuery.jPicker.js","../editor/locale/locale.js","../editor/svg-editor.js","../editor/js-hotkeys/jquery.hotkeys.min.js","../editor/jquerybbq/jquery.bbq.min.js","../editor/svgicons/jQuery.svgIcons.js","../editor/spinbtn/jQuery.SpinButton.js","../editor/contextmenu/jQuery.contextMenu.js","../editor/external/load-stylesheets/index-es.js"],"sourcesContent":["// http://ross.posterous.com/2008/08/19/iphone-touch-events-in-javascript/\nfunction touchHandler (ev) {\n  const {changedTouches} = ev,\n    first = changedTouches[0];\n\n  let type = '';\n  switch (ev.type) {\n  case 'touchstart': type = 'mousedown'; break;\n  case 'touchmove': type = 'mousemove'; break;\n  case 'touchend': type = 'mouseup'; break;\n  default: return;\n  }\n\n  const {screenX, screenY, clientX, clientY} = first;\n  const simulatedEvent = new MouseEvent(type, {\n    // Event interface\n    bubbles: true,\n    cancelable: true,\n    // UIEvent interface\n    view: window,\n    detail: 1, // click count\n    // MouseEvent interface (customized)\n    screenX, screenY, clientX, clientY,\n    // MouseEvent interface (defaults) - these could be removed\n    ctrlKey: false,\n    altKey: false,\n    shiftKey: false,\n    metaKey: false,\n    button: 0, // main button (usually left)\n    relatedTarget: null\n  });\n  if (changedTouches.length < 2) {\n    first.target.dispatchEvent(simulatedEvent);\n    ev.preventDefault();\n  }\n}\n\ndocument.addEventListener('touchstart', touchHandler, true);\ndocument.addEventListener('touchmove', touchHandler, true);\ndocument.addEventListener('touchend', touchHandler, true);\ndocument.addEventListener('touchcancel', touchHandler, true);\n","/**\n * Namespaces or tools therefor\n * @module namespaces\n * @license MIT\n*/\n\n/**\n* Common namepaces constants in alpha order\n* @enum {string}\n* @type {PlainObject}\n* @memberof module:namespaces\n*/\nexport const NS = {\n  HTML: 'http://www.w3.org/1999/xhtml',\n  MATH: 'http://www.w3.org/1998/Math/MathML',\n  SE: 'http://svg-edit.googlecode.com',\n  SVG: 'http://www.w3.org/2000/svg',\n  XLINK: 'http://www.w3.org/1999/xlink',\n  XML: 'http://www.w3.org/XML/1998/namespace',\n  XMLNS: 'http://www.w3.org/2000/xmlns/' // see http://www.w3.org/TR/REC-xml-names/#xmlReserved\n};\n\n/**\n* @function module:namespaces.getReverseNS\n* @returns {string} The NS with key values switched and lowercase\n*/\nexport const getReverseNS = function () {\n  const reverseNS = {};\n  Object.entries(NS).forEach(([name, URI]) => {\n    reverseNS[URI] = name.toLowerCase();\n  });\n  return reverseNS;\n};\n","/* globals SVGPathSeg, SVGPathSegMovetoRel, SVGPathSegMovetoAbs,\n    SVGPathSegMovetoRel, SVGPathSegLinetoRel, SVGPathSegLinetoAbs,\n    SVGPathSegLinetoHorizontalRel, SVGPathSegLinetoHorizontalAbs,\n    SVGPathSegLinetoVerticalRel, SVGPathSegLinetoVerticalAbs,\n    SVGPathSegClosePath, SVGPathSegCurvetoCubicRel,\n    SVGPathSegCurvetoCubicAbs, SVGPathSegCurvetoCubicSmoothRel,\n    SVGPathSegCurvetoCubicSmoothAbs, SVGPathSegCurvetoQuadraticRel,\n    SVGPathSegCurvetoQuadraticAbs, SVGPathSegCurvetoQuadraticSmoothRel,\n    SVGPathSegCurvetoQuadraticSmoothAbs, SVGPathSegArcRel, SVGPathSegArcAbs */\n/**\n* SVGPathSeg API polyfill\n* https://github.com/progers/pathseg\n*\n* This is a drop-in replacement for the `SVGPathSeg` and `SVGPathSegList` APIs\n* that were removed from SVG2 ({@link https://lists.w3.org/Archives/Public/www-svg/2015Jun/0044.html}),\n* including the latest spec changes which were implemented in Firefox 43 and\n* Chrome 46.\n*/\n(() => {\nif (!('SVGPathSeg' in window)) {\n  // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSeg\n  class SVGPathSeg {\n    constructor (type, typeAsLetter, owningPathSegList) {\n      this.pathSegType = type;\n      this.pathSegTypeAsLetter = typeAsLetter;\n      this._owningPathSegList = owningPathSegList;\n    }\n    // Notify owning PathSegList on any changes so they can be synchronized back to the path element.\n    _segmentChanged () {\n      if (this._owningPathSegList) {\n        this._owningPathSegList.segmentChanged(this);\n      }\n    }\n  }\n  SVGPathSeg.prototype.classname = 'SVGPathSeg';\n\n  SVGPathSeg.PATHSEG_UNKNOWN = 0;\n  SVGPathSeg.PATHSEG_CLOSEPATH = 1;\n  SVGPathSeg.PATHSEG_MOVETO_ABS = 2;\n  SVGPathSeg.PATHSEG_MOVETO_REL = 3;\n  SVGPathSeg.PATHSEG_LINETO_ABS = 4;\n  SVGPathSeg.PATHSEG_LINETO_REL = 5;\n  SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS = 6;\n  SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL = 7;\n  SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS = 8;\n  SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL = 9;\n  SVGPathSeg.PATHSEG_ARC_ABS = 10;\n  SVGPathSeg.PATHSEG_ARC_REL = 11;\n  SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS = 12;\n  SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL = 13;\n  SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS = 14;\n  SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL = 15;\n  SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS = 16;\n  SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL = 17;\n  SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = 18;\n  SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = 19;\n\n  class SVGPathSegClosePath extends SVGPathSeg {\n    constructor (owningPathSegList) {\n      super(SVGPathSeg.PATHSEG_CLOSEPATH, 'z', owningPathSegList);\n    }\n    toString () { return '[object SVGPathSegClosePath]'; }\n    _asPathString () { return this.pathSegTypeAsLetter; }\n    clone () { return new SVGPathSegClosePath(undefined); }\n  }\n\n  class SVGPathSegMovetoAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_MOVETO_ABS, 'M', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegMovetoAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegMovetoAbs(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegMovetoAbs.prototype, {\n    x: {\n      get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true\n    },\n    y: {\n      get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true\n    }\n  });\n\n  class SVGPathSegMovetoRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_MOVETO_REL, 'm', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegMovetoRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegMovetoRel(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegMovetoRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegLinetoAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_LINETO_ABS, 'L', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegLinetoAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegLinetoAbs(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegLinetoAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegLinetoRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_LINETO_REL, 'l', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegLinetoRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegLinetoRel(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegLinetoRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoCubicAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x1, y1, x2, y2) {\n      super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, 'C', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x1 = x1;\n      this._y1 = y1;\n      this._x2 = x2;\n      this._y2 = y2;\n    }\n    toString () { return '[object SVGPathSegCurvetoCubicAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoCubicAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x1: {get () { return this._x1; }, set (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true},\n    y1: {get () { return this._y1; }, set (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true},\n    x2: {get () { return this._x2; }, set (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true},\n    y2: {get () { return this._y2; }, set (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoCubicRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x1, y1, x2, y2) {\n      super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, 'c', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x1 = x1;\n      this._y1 = y1;\n      this._x2 = x2;\n      this._y2 = y2;\n    }\n    toString () { return '[object SVGPathSegCurvetoCubicRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoCubicRel(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoCubicRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x1: {get () { return this._x1; }, set (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true},\n    y1: {get () { return this._y1; }, set (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true},\n    x2: {get () { return this._x2; }, set (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true},\n    y2: {get () { return this._y2; }, set (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoQuadraticAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x1, y1) {\n      super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, 'Q', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x1 = x1;\n      this._y1 = y1;\n    }\n    toString () { return '[object SVGPathSegCurvetoQuadraticAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoQuadraticAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x1: {get () { return this._x1; }, set (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true},\n    y1: {get () { return this._y1; }, set (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoQuadraticRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x1, y1) {\n      super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, 'q', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x1 = x1;\n      this._y1 = y1;\n    }\n    toString () { return '[object SVGPathSegCurvetoQuadraticRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoQuadraticRel(undefined, this._x, this._y, this._x1, this._y1); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoQuadraticRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x1: {get () { return this._x1; }, set (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true},\n    y1: {get () { return this._y1; }, set (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegArcAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {\n      super(SVGPathSeg.PATHSEG_ARC_ABS, 'A', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._r1 = r1;\n      this._r2 = r2;\n      this._angle = angle;\n      this._largeArcFlag = largeArcFlag;\n      this._sweepFlag = sweepFlag;\n    }\n    toString () { return '[object SVGPathSegArcAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag); }\n  }\n  Object.defineProperties(SVGPathSegArcAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    r1: {get () { return this._r1; }, set (r1) { this._r1 = r1; this._segmentChanged(); }, enumerable: true},\n    r2: {get () { return this._r2; }, set (r2) { this._r2 = r2; this._segmentChanged(); }, enumerable: true},\n    angle: {get () { return this._angle; }, set (angle) { this._angle = angle; this._segmentChanged(); }, enumerable: true},\n    largeArcFlag: {get () { return this._largeArcFlag; }, set (largeArcFlag) { this._largeArcFlag = largeArcFlag; this._segmentChanged(); }, enumerable: true},\n    sweepFlag: {get () { return this._sweepFlag; }, set (sweepFlag) { this._sweepFlag = sweepFlag; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegArcRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {\n      super(SVGPathSeg.PATHSEG_ARC_REL, 'a', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._r1 = r1;\n      this._r2 = r2;\n      this._angle = angle;\n      this._largeArcFlag = largeArcFlag;\n      this._sweepFlag = sweepFlag;\n    }\n    toString () { return '[object SVGPathSegArcRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegArcRel(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag); }\n  }\n  Object.defineProperties(SVGPathSegArcRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    r1: {get () { return this._r1; }, set (r1) { this._r1 = r1; this._segmentChanged(); }, enumerable: true},\n    r2: {get () { return this._r2; }, set (r2) { this._r2 = r2; this._segmentChanged(); }, enumerable: true},\n    angle: {get () { return this._angle; }, set (angle) { this._angle = angle; this._segmentChanged(); }, enumerable: true},\n    largeArcFlag: {get () { return this._largeArcFlag; }, set (largeArcFlag) { this._largeArcFlag = largeArcFlag; this._segmentChanged(); }, enumerable: true},\n    sweepFlag: {get () { return this._sweepFlag; }, set (sweepFlag) { this._sweepFlag = sweepFlag; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegLinetoHorizontalAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x) {\n      super(SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, 'H', owningPathSegList);\n      this._x = x;\n    }\n    toString () { return '[object SVGPathSegLinetoHorizontalAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x; }\n    clone () { return new SVGPathSegLinetoHorizontalAbs(undefined, this._x); }\n  }\n  Object.defineProperty(SVGPathSegLinetoHorizontalAbs.prototype, 'x', {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true});\n\n  class SVGPathSegLinetoHorizontalRel extends SVGPathSeg {\n    constructor (owningPathSegList, x) {\n      super(SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, 'h', owningPathSegList);\n      this._x = x;\n    }\n    toString () { return '[object SVGPathSegLinetoHorizontalRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x; }\n    clone () { return new SVGPathSegLinetoHorizontalRel(undefined, this._x); }\n  }\n  Object.defineProperty(SVGPathSegLinetoHorizontalRel.prototype, 'x', {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true});\n\n  class SVGPathSegLinetoVerticalAbs extends SVGPathSeg {\n    constructor (owningPathSegList, y) {\n      super(SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, 'V', owningPathSegList);\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegLinetoVerticalAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._y; }\n    clone () { return new SVGPathSegLinetoVerticalAbs(undefined, this._y); }\n  }\n  Object.defineProperty(SVGPathSegLinetoVerticalAbs.prototype, 'y', {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true});\n\n  class SVGPathSegLinetoVerticalRel extends SVGPathSeg {\n    constructor (owningPathSegList, y) {\n      super(SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, 'v', owningPathSegList);\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegLinetoVerticalRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._y; }\n    clone () { return new SVGPathSegLinetoVerticalRel(undefined, this._y); }\n  }\n  Object.defineProperty(SVGPathSegLinetoVerticalRel.prototype, 'y', {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true});\n\n  class SVGPathSegCurvetoCubicSmoothAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x2, y2) {\n      super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, 'S', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x2 = x2;\n      this._y2 = y2;\n    }\n    toString () { return '[object SVGPathSegCurvetoCubicSmoothAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoCubicSmoothAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x2: {get () { return this._x2; }, set (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true},\n    y2: {get () { return this._y2; }, set (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoCubicSmoothRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x2, y2) {\n      super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, 's', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x2 = x2;\n      this._y2 = y2;\n    }\n    toString () { return '[object SVGPathSegCurvetoCubicSmoothRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoCubicSmoothRel(undefined, this._x, this._y, this._x2, this._y2); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoCubicSmoothRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x2: {get () { return this._x2; }, set (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true},\n    y2: {get () { return this._y2; }, set (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoQuadraticSmoothAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, 'T', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegCurvetoQuadraticSmoothAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoQuadraticSmoothAbs(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoQuadraticSmoothAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoQuadraticSmoothRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, 't', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegCurvetoQuadraticSmoothRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoQuadraticSmoothRel(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoQuadraticSmoothRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  // Add createSVGPathSeg* functions to SVGPathElement.\n  // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathElement.\n  SVGPathElement.prototype.createSVGPathSegClosePath = function () { return new SVGPathSegClosePath(undefined); };\n  SVGPathElement.prototype.createSVGPathSegMovetoAbs = function (x, y) { return new SVGPathSegMovetoAbs(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegMovetoRel = function (x, y) { return new SVGPathSegMovetoRel(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegLinetoAbs = function (x, y) { return new SVGPathSegLinetoAbs(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegLinetoRel = function (x, y) { return new SVGPathSegLinetoRel(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoCubicAbs = function (x, y, x1, y1, x2, y2) { return new SVGPathSegCurvetoCubicAbs(undefined, x, y, x1, y1, x2, y2); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoCubicRel = function (x, y, x1, y1, x2, y2) { return new SVGPathSegCurvetoCubicRel(undefined, x, y, x1, y1, x2, y2); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticAbs = function (x, y, x1, y1) { return new SVGPathSegCurvetoQuadraticAbs(undefined, x, y, x1, y1); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticRel = function (x, y, x1, y1) { return new SVGPathSegCurvetoQuadraticRel(undefined, x, y, x1, y1); };\n  SVGPathElement.prototype.createSVGPathSegArcAbs = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) { return new SVGPathSegArcAbs(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag); };\n  SVGPathElement.prototype.createSVGPathSegArcRel = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) { return new SVGPathSegArcRel(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag); };\n  SVGPathElement.prototype.createSVGPathSegLinetoHorizontalAbs = function (x) { return new SVGPathSegLinetoHorizontalAbs(undefined, x); };\n  SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel = function (x) { return new SVGPathSegLinetoHorizontalRel(undefined, x); };\n  SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs = function (y) { return new SVGPathSegLinetoVerticalAbs(undefined, y); };\n  SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel = function (y) { return new SVGPathSegLinetoVerticalRel(undefined, y); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs = function (x, y, x2, y2) { return new SVGPathSegCurvetoCubicSmoothAbs(undefined, x, y, x2, y2); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel = function (x, y, x2, y2) { return new SVGPathSegCurvetoCubicSmoothRel(undefined, x, y, x2, y2); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs = function (x, y) { return new SVGPathSegCurvetoQuadraticSmoothAbs(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel = function (x, y) { return new SVGPathSegCurvetoQuadraticSmoothRel(undefined, x, y); };\n\n  if (!('getPathSegAtLength' in SVGPathElement.prototype)) {\n    // Add getPathSegAtLength to SVGPathElement.\n    // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-__svg__SVGPathElement__getPathSegAtLength\n    // This polyfill requires SVGPathElement.getTotalLength to implement the distance-along-a-path algorithm.\n    SVGPathElement.prototype.getPathSegAtLength = function (distance) {\n      if (distance === undefined || !isFinite(distance)) {\n        throw new Error('Invalid arguments.');\n      }\n\n      const measurementElement = document.createElementNS('http://www.w3.org/2000/svg', 'path');\n      measurementElement.setAttribute('d', this.getAttribute('d'));\n      let lastPathSegment = measurementElement.pathSegList.numberOfItems - 1;\n\n      // If the path is empty, return 0.\n      if (lastPathSegment <= 0) {\n        return 0;\n      }\n\n      do {\n        measurementElement.pathSegList.removeItem(lastPathSegment);\n        if (distance > measurementElement.getTotalLength()) {\n          break;\n        }\n        lastPathSegment--;\n      } while (lastPathSegment > 0);\n      return lastPathSegment;\n    };\n  }\n\n  window.SVGPathSeg = SVGPathSeg;\n  window.SVGPathSegClosePath = SVGPathSegClosePath;\n  window.SVGPathSegMovetoAbs = SVGPathSegMovetoAbs;\n  window.SVGPathSegMovetoRel = SVGPathSegMovetoRel;\n  window.SVGPathSegLinetoAbs = SVGPathSegLinetoAbs;\n  window.SVGPathSegLinetoRel = SVGPathSegLinetoRel;\n  window.SVGPathSegCurvetoCubicAbs = SVGPathSegCurvetoCubicAbs;\n  window.SVGPathSegCurvetoCubicRel = SVGPathSegCurvetoCubicRel;\n  window.SVGPathSegCurvetoQuadraticAbs = SVGPathSegCurvetoQuadraticAbs;\n  window.SVGPathSegCurvetoQuadraticRel = SVGPathSegCurvetoQuadraticRel;\n  window.SVGPathSegArcAbs = SVGPathSegArcAbs;\n  window.SVGPathSegArcRel = SVGPathSegArcRel;\n  window.SVGPathSegLinetoHorizontalAbs = SVGPathSegLinetoHorizontalAbs;\n  window.SVGPathSegLinetoHorizontalRel = SVGPathSegLinetoHorizontalRel;\n  window.SVGPathSegLinetoVerticalAbs = SVGPathSegLinetoVerticalAbs;\n  window.SVGPathSegLinetoVerticalRel = SVGPathSegLinetoVerticalRel;\n  window.SVGPathSegCurvetoCubicSmoothAbs = SVGPathSegCurvetoCubicSmoothAbs;\n  window.SVGPathSegCurvetoCubicSmoothRel = SVGPathSegCurvetoCubicSmoothRel;\n  window.SVGPathSegCurvetoQuadraticSmoothAbs = SVGPathSegCurvetoQuadraticSmoothAbs;\n  window.SVGPathSegCurvetoQuadraticSmoothRel = SVGPathSegCurvetoQuadraticSmoothRel;\n}\n\n// Checking for SVGPathSegList in window checks for the case of an implementation without the\n// SVGPathSegList API.\n// The second check for appendItem is specific to Firefox 59+ which removed only parts of the\n// SVGPathSegList API (e.g., appendItem). In this case we need to re-implement the entire API\n// so the polyfill data (i.e., _list) is used throughout.\nif (!('SVGPathSegList' in window) || !('appendItem' in window.SVGPathSegList.prototype)) {\n  // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSegList\n  class SVGPathSegList {\n    constructor (pathElement) {\n      this._pathElement = pathElement;\n      this._list = this._parsePath(this._pathElement.getAttribute('d'));\n\n      // Use a MutationObserver to catch changes to the path's \"d\" attribute.\n      this._mutationObserverConfig = {attributes: true, attributeFilter: ['d']};\n      this._pathElementMutationObserver = new MutationObserver(this._updateListFromPathMutations.bind(this));\n      this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);\n    }\n    // Process any pending mutations to the path element and update the list as needed.\n    // This should be the first call of all public functions and is needed because\n    // MutationObservers are not synchronous so we can have pending asynchronous mutations.\n    _checkPathSynchronizedToList () {\n      this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords());\n    }\n\n    _updateListFromPathMutations (mutationRecords) {\n      if (!this._pathElement) {\n        return;\n      }\n      let hasPathMutations = false;\n      mutationRecords.forEach((record) => {\n        if (record.attributeName === 'd') {\n          hasPathMutations = true;\n        }\n      });\n      if (hasPathMutations) {\n        this._list = this._parsePath(this._pathElement.getAttribute('d'));\n      }\n    }\n\n    // Serialize the list and update the path's 'd' attribute.\n    _writeListToPath () {\n      this._pathElementMutationObserver.disconnect();\n      this._pathElement.setAttribute('d', SVGPathSegList._pathSegArrayAsString(this._list));\n      this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);\n    }\n\n    // When a path segment changes the list needs to be synchronized back to the path element.\n    segmentChanged (pathSeg) {\n      this._writeListToPath();\n    }\n\n    clear () {\n      this._checkPathSynchronizedToList();\n\n      this._list.forEach((pathSeg) => {\n        pathSeg._owningPathSegList = null;\n      });\n      this._list = [];\n      this._writeListToPath();\n    }\n\n    initialize (newItem) {\n      this._checkPathSynchronizedToList();\n\n      this._list = [newItem];\n      newItem._owningPathSegList = this;\n      this._writeListToPath();\n      return newItem;\n    }\n\n    _checkValidIndex (index) {\n      if (isNaN(index) || index < 0 || index >= this.numberOfItems) {\n        throw new Error('INDEX_SIZE_ERR');\n      }\n    }\n\n    getItem (index) {\n      this._checkPathSynchronizedToList();\n\n      this._checkValidIndex(index);\n      return this._list[index];\n    }\n\n    insertItemBefore (newItem, index) {\n      this._checkPathSynchronizedToList();\n\n      // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.\n      if (index > this.numberOfItems) {\n        index = this.numberOfItems;\n      }\n      if (newItem._owningPathSegList) {\n        // SVG2 spec says to make a copy.\n        newItem = newItem.clone();\n      }\n      this._list.splice(index, 0, newItem);\n      newItem._owningPathSegList = this;\n      this._writeListToPath();\n      return newItem;\n    }\n\n    replaceItem (newItem, index) {\n      this._checkPathSynchronizedToList();\n\n      if (newItem._owningPathSegList) {\n        // SVG2 spec says to make a copy.\n        newItem = newItem.clone();\n      }\n      this._checkValidIndex(index);\n      this._list[index] = newItem;\n      newItem._owningPathSegList = this;\n      this._writeListToPath();\n      return newItem;\n    }\n\n    removeItem (index) {\n      this._checkPathSynchronizedToList();\n\n      this._checkValidIndex(index);\n      const item = this._list[index];\n      this._list.splice(index, 1);\n      this._writeListToPath();\n      return item;\n    }\n\n    appendItem (newItem) {\n      this._checkPathSynchronizedToList();\n\n      if (newItem._owningPathSegList) {\n        // SVG2 spec says to make a copy.\n        newItem = newItem.clone();\n      }\n      this._list.push(newItem);\n      newItem._owningPathSegList = this;\n      // TODO: Optimize this to just append to the existing attribute.\n      this._writeListToPath();\n      return newItem;\n    }\n\n    // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.\n    _parsePath (string) {\n      if (!string || !string.length) {\n        return [];\n      }\n\n      const owningPathSegList = this;\n\n      class Builder {\n        constructor () {\n          this.pathSegList = [];\n        }\n        appendSegment (pathSeg) {\n          this.pathSegList.push(pathSeg);\n        }\n      }\n\n      class Source {\n        constructor (string) {\n          this._string = string;\n          this._currentIndex = 0;\n          this._endIndex = this._string.length;\n          this._previousCommand = SVGPathSeg.PATHSEG_UNKNOWN;\n\n          this._skipOptionalSpaces();\n        }\n        _isCurrentSpace () {\n          const character = this._string[this._currentIndex];\n          return character <= ' ' && (character === ' ' || character === '\\n' || character === '\\t' || character === '\\r' || character === '\\f');\n        }\n\n        _skipOptionalSpaces () {\n          while (this._currentIndex < this._endIndex && this._isCurrentSpace()) {\n            this._currentIndex++;\n          }\n          return this._currentIndex < this._endIndex;\n        }\n\n        _skipOptionalSpacesOrDelimiter () {\n          if (this._currentIndex < this._endIndex && !this._isCurrentSpace() && this._string.charAt(this._currentIndex) !== ',') {\n            return false;\n          }\n          if (this._skipOptionalSpaces()) {\n            if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === ',') {\n              this._currentIndex++;\n              this._skipOptionalSpaces();\n            }\n          }\n          return this._currentIndex < this._endIndex;\n        }\n\n        hasMoreData () {\n          return this._currentIndex < this._endIndex;\n        }\n\n        peekSegmentType () {\n          const lookahead = this._string[this._currentIndex];\n          return this._pathSegTypeFromChar(lookahead);\n        }\n\n        _pathSegTypeFromChar (lookahead) {\n          switch (lookahead) {\n          case 'Z':\n          case 'z':\n            return SVGPathSeg.PATHSEG_CLOSEPATH;\n          case 'M':\n            return SVGPathSeg.PATHSEG_MOVETO_ABS;\n          case 'm':\n            return SVGPathSeg.PATHSEG_MOVETO_REL;\n          case 'L':\n            return SVGPathSeg.PATHSEG_LINETO_ABS;\n          case 'l':\n            return SVGPathSeg.PATHSEG_LINETO_REL;\n          case 'C':\n            return SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;\n          case 'c':\n            return SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;\n          case 'Q':\n            return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;\n          case 'q':\n            return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;\n          case 'A':\n            return SVGPathSeg.PATHSEG_ARC_ABS;\n          case 'a':\n            return SVGPathSeg.PATHSEG_ARC_REL;\n          case 'H':\n            return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;\n          case 'h':\n            return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;\n          case 'V':\n            return SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;\n          case 'v':\n            return SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;\n          case 'S':\n            return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;\n          case 's':\n            return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;\n          case 'T':\n            return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;\n          case 't':\n            return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;\n          default:\n            return SVGPathSeg.PATHSEG_UNKNOWN;\n          }\n        }\n\n        _nextCommandHelper (lookahead, previousCommand) {\n          // Check for remaining coordinates in the current command.\n          if ((lookahead === '+' || lookahead === '-' || lookahead === '.' || (lookahead >= '0' && lookahead <= '9')) && previousCommand !== SVGPathSeg.PATHSEG_CLOSEPATH) {\n            if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_ABS) {\n              return SVGPathSeg.PATHSEG_LINETO_ABS;\n            }\n            if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_REL) {\n              return SVGPathSeg.PATHSEG_LINETO_REL;\n            }\n            return previousCommand;\n          }\n          return SVGPathSeg.PATHSEG_UNKNOWN;\n        }\n\n        initialCommandIsMoveTo () {\n          // If the path is empty it is still valid, so return true.\n          if (!this.hasMoreData()) {\n            return true;\n          }\n          const command = this.peekSegmentType();\n          // Path must start with moveTo.\n          return command === SVGPathSeg.PATHSEG_MOVETO_ABS || command === SVGPathSeg.PATHSEG_MOVETO_REL;\n        }\n\n        // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.\n        // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-PathDataBNF\n        _parseNumber () {\n          let exponent = 0;\n          let integer = 0;\n          let frac = 1;\n          let decimal = 0;\n          let sign = 1;\n          let expsign = 1;\n\n          const startIndex = this._currentIndex;\n\n          this._skipOptionalSpaces();\n\n          // Read the sign.\n          if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '+') {\n            this._currentIndex++;\n          } else if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '-') {\n            this._currentIndex++;\n            sign = -1;\n          }\n\n          if (this._currentIndex === this._endIndex || ((this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') && this._string.charAt(this._currentIndex) !== '.')) {\n            // The first character of a number must be one of [0-9+-.].\n            return undefined;\n          }\n\n          // Read the integer part, build right-to-left.\n          const startIntPartIndex = this._currentIndex;\n          while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {\n            this._currentIndex++; // Advance to first non-digit.\n          }\n\n          if (this._currentIndex !== startIntPartIndex) {\n            let scanIntPartIndex = this._currentIndex - 1;\n            let multiplier = 1;\n            while (scanIntPartIndex >= startIntPartIndex) {\n              integer += multiplier * (this._string.charAt(scanIntPartIndex--) - '0');\n              multiplier *= 10;\n            }\n          }\n\n          // Read the decimals.\n          if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '.') {\n            this._currentIndex++;\n\n            // There must be a least one digit following the .\n            if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {\n              return undefined;\n            }\n            while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {\n              frac *= 10;\n              decimal += (this._string.charAt(this._currentIndex) - '0') / frac;\n              this._currentIndex += 1;\n            }\n          }\n\n          // Read the exponent part.\n          if (this._currentIndex !== startIndex && this._currentIndex + 1 < this._endIndex && (this._string.charAt(this._currentIndex) === 'e' || this._string.charAt(this._currentIndex) === 'E') && (this._string.charAt(this._currentIndex + 1) !== 'x' && this._string.charAt(this._currentIndex + 1) !== 'm')) {\n            this._currentIndex++;\n\n            // Read the sign of the exponent.\n            if (this._string.charAt(this._currentIndex) === '+') {\n              this._currentIndex++;\n            } else if (this._string.charAt(this._currentIndex) === '-') {\n              this._currentIndex++;\n              expsign = -1;\n            }\n\n            // There must be an exponent.\n            if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {\n              return undefined;\n            }\n\n            while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {\n              exponent *= 10;\n              exponent += (this._string.charAt(this._currentIndex) - '0');\n              this._currentIndex++;\n            }\n          }\n\n          let number = integer + decimal;\n          number *= sign;\n\n          if (exponent) {\n            number *= Math.pow(10, expsign * exponent);\n          }\n\n          if (startIndex === this._currentIndex) {\n            return undefined;\n          }\n\n          this._skipOptionalSpacesOrDelimiter();\n\n          return number;\n        }\n\n        _parseArcFlag () {\n          if (this._currentIndex >= this._endIndex) {\n            return undefined;\n          }\n          let flag = false;\n          const flagChar = this._string.charAt(this._currentIndex++);\n          if (flagChar === '0') {\n            flag = false;\n          } else if (flagChar === '1') {\n            flag = true;\n          } else {\n            return undefined;\n          }\n\n          this._skipOptionalSpacesOrDelimiter();\n          return flag;\n        }\n\n        parseSegment () {\n          const lookahead = this._string[this._currentIndex];\n          let command = this._pathSegTypeFromChar(lookahead);\n          if (command === SVGPathSeg.PATHSEG_UNKNOWN) {\n            // Possibly an implicit command. Not allowed if this is the first command.\n            if (this._previousCommand === SVGPathSeg.PATHSEG_UNKNOWN) {\n              return null;\n            }\n            command = this._nextCommandHelper(lookahead, this._previousCommand);\n            if (command === SVGPathSeg.PATHSEG_UNKNOWN) {\n              return null;\n            }\n          } else {\n            this._currentIndex++;\n          }\n\n          this._previousCommand = command;\n\n          switch (command) {\n          case SVGPathSeg.PATHSEG_MOVETO_REL:\n            return new SVGPathSegMovetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_MOVETO_ABS:\n            return new SVGPathSegMovetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_REL:\n            return new SVGPathSegLinetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_ABS:\n            return new SVGPathSegLinetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:\n            return new SVGPathSegLinetoHorizontalRel(owningPathSegList, this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:\n            return new SVGPathSegLinetoHorizontalAbs(owningPathSegList, this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:\n            return new SVGPathSegLinetoVerticalRel(owningPathSegList, this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:\n            return new SVGPathSegLinetoVerticalAbs(owningPathSegList, this._parseNumber());\n          case SVGPathSeg.PATHSEG_CLOSEPATH:\n            this._skipOptionalSpaces();\n            return new SVGPathSegClosePath(owningPathSegList);\n          case SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoCubicRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);\n          } case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoCubicAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);\n          } case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL: {\n            const points = {x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, points.x, points.y, points.x2, points.y2);\n          } case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS: {\n            const points = {x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, points.x, points.y, points.x2, points.y2);\n          } case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoQuadraticRel(owningPathSegList, points.x, points.y, points.x1, points.y1);\n          } case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoQuadraticAbs(owningPathSegList, points.x, points.y, points.x1, points.y1);\n          case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:\n            return new SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:\n            return new SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_ARC_REL: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegArcRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);\n          } case SVGPathSeg.PATHSEG_ARC_ABS: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegArcAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);\n          } default:\n            throw new Error('Unknown path seg type.');\n          }\n        }\n      }\n\n      const builder = new Builder();\n      const source = new Source(string);\n\n      if (!source.initialCommandIsMoveTo()) {\n        return [];\n      }\n      while (source.hasMoreData()) {\n        const pathSeg = source.parseSegment();\n        if (!pathSeg) {\n          return [];\n        }\n        builder.appendSegment(pathSeg);\n      }\n\n      return builder.pathSegList;\n    }\n  }\n\n  SVGPathSegList.prototype.classname = 'SVGPathSegList';\n\n  Object.defineProperty(SVGPathSegList.prototype, 'numberOfItems', {\n    get () {\n      this._checkPathSynchronizedToList();\n      return this._list.length;\n    },\n    enumerable: true\n  });\n\n  SVGPathSegList._pathSegArrayAsString = function (pathSegArray) {\n    let string = '';\n    let first = true;\n    pathSegArray.forEach((pathSeg) => {\n      if (first) {\n        first = false;\n        string += pathSeg._asPathString();\n      } else {\n        string += ' ' + pathSeg._asPathString();\n      }\n    });\n    return string;\n  };\n\n  // Add the pathSegList accessors to SVGPathElement.\n  // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGAnimatedPathData\n  Object.defineProperties(SVGPathElement.prototype, {\n    pathSegList: {\n      get () {\n        if (!this._pathSegList) {\n          this._pathSegList = new SVGPathSegList(this);\n        }\n        return this._pathSegList;\n      },\n      enumerable: true\n    },\n    // FIXME: The following are not implemented and simply return SVGPathElement.pathSegList.\n    normalizedPathSegList: {get () { return this.pathSegList; }, enumerable: true},\n    animatedPathSegList: {get () { return this.pathSegList; }, enumerable: true},\n    animatedNormalizedPathSegList: {get () { return this.pathSegList; }, enumerable: true}\n  });\n  window.SVGPathSegList = SVGPathSegList;\n}\n})();\n","/* globals jQuery */\n/**\n * Browser detection\n * @module browser\n * @license MIT\n *\n * @copyright 2010 Jeff Schiller, 2010 Alexis Deveria\n */\n\n// Dependencies:\n// 1) jQuery (for $.alert())\n\nimport './svgpathseg.js';\nimport {NS} from './namespaces.js';\n\nconst $ = jQuery;\n\nconst supportsSVG_ = (function () {\nreturn !!document.createElementNS && !!document.createElementNS(NS.SVG, 'svg').createSVGRect;\n}());\n\n/**\n * @function module:browser.supportsSvg\n * @returns {boolean}\n*/\nexport const supportsSvg = () => supportsSVG_;\n\nconst {userAgent} = navigator;\nconst svg = document.createElementNS(NS.SVG, 'svg');\n\n// Note: Browser sniffing should only be used if no other detection method is possible\nconst isOpera_ = !!window.opera;\nconst isWebkit_ = userAgent.includes('AppleWebKit');\nconst isGecko_ = userAgent.includes('Gecko/');\nconst isIE_ = userAgent.includes('MSIE');\nconst isChrome_ = userAgent.includes('Chrome/');\nconst isWindows_ = userAgent.includes('Windows');\nconst isMac_ = userAgent.includes('Macintosh');\nconst isTouch_ = 'ontouchstart' in window;\n\nconst supportsSelectors_ = (function () {\nreturn !!svg.querySelector;\n}());\n\nconst supportsXpath_ = (function () {\nreturn !!document.evaluate;\n}());\n\n// segList functions (for FF1.5 and 2.0)\nconst supportsPathReplaceItem_ = (function () {\nconst path = document.createElementNS(NS.SVG, 'path');\npath.setAttribute('d', 'M0,0 10,10');\nconst seglist = path.pathSegList;\nconst seg = path.createSVGPathSegLinetoAbs(5, 5);\ntry {\n  seglist.replaceItem(seg, 1);\n  return true;\n} catch (err) {}\nreturn false;\n}());\n\nconst supportsPathInsertItemBefore_ = (function () {\nconst path = document.createElementNS(NS.SVG, 'path');\npath.setAttribute('d', 'M0,0 10,10');\nconst seglist = path.pathSegList;\nconst seg = path.createSVGPathSegLinetoAbs(5, 5);\ntry {\n  seglist.insertItemBefore(seg, 1);\n  return true;\n} catch (err) {}\nreturn false;\n}());\n\n// text character positioning (for IE9)\nconst supportsGoodTextCharPos_ = (function () {\nconst svgroot = document.createElementNS(NS.SVG, 'svg');\nconst svgcontent = document.createElementNS(NS.SVG, 'svg');\ndocument.documentElement.append(svgroot);\nsvgcontent.setAttribute('x', 5);\nsvgroot.append(svgcontent);\nconst text = document.createElementNS(NS.SVG, 'text');\ntext.textContent = 'a';\nsvgcontent.append(text);\nconst pos = text.getStartPositionOfChar(0).x;\nsvgroot.remove();\nreturn (pos === 0);\n}());\n\nconst supportsPathBBox_ = (function () {\nconst svgcontent = document.createElementNS(NS.SVG, 'svg');\ndocument.documentElement.append(svgcontent);\nconst path = document.createElementNS(NS.SVG, 'path');\npath.setAttribute('d', 'M0,0 C0,0 10,10 10,0');\nsvgcontent.append(path);\nconst bbox = path.getBBox();\nsvgcontent.remove();\nreturn (bbox.height > 4 && bbox.height < 5);\n}());\n\n// Support for correct bbox sizing on groups with horizontal/vertical lines\nconst supportsHVLineContainerBBox_ = (function () {\nconst svgcontent = document.createElementNS(NS.SVG, 'svg');\ndocument.documentElement.append(svgcontent);\nconst path = document.createElementNS(NS.SVG, 'path');\npath.setAttribute('d', 'M0,0 10,0');\nconst path2 = document.createElementNS(NS.SVG, 'path');\npath2.setAttribute('d', 'M5,0 15,0');\nconst g = document.createElementNS(NS.SVG, 'g');\ng.append(path, path2);\nsvgcontent.append(g);\nconst bbox = g.getBBox();\nsvgcontent.remove();\n// Webkit gives 0, FF gives 10, Opera (correctly) gives 15\nreturn (bbox.width === 15);\n}());\n\nconst supportsEditableText_ = (function () {\n// TODO: Find better way to check support for this\nreturn isOpera_;\n}());\n\nconst supportsGoodDecimals_ = (function () {\n// Correct decimals on clone attributes (Opera < 10.5/win/non-en)\nconst rect = document.createElementNS(NS.SVG, 'rect');\nrect.setAttribute('x', 0.1);\nconst crect = rect.cloneNode(false);\nconst retValue = (!crect.getAttribute('x').includes(','));\nif (!retValue) {\n  // Todo: i18nize or remove\n  $.alert('NOTE: This version of Opera is known to contain bugs in SVG-edit.\\n' +\n\t'Please upgrade to the <a href=\"http://opera.com\">latest version</a> in which the problems have been fixed.');\n}\nreturn retValue;\n}());\n\nconst supportsNonScalingStroke_ = (function () {\nconst rect = document.createElementNS(NS.SVG, 'rect');\nrect.setAttribute('style', 'vector-effect:non-scaling-stroke');\nreturn rect.style.vectorEffect === 'non-scaling-stroke';\n}());\n\nlet supportsNativeSVGTransformLists_ = (function () {\nconst rect = document.createElementNS(NS.SVG, 'rect');\nconst rxform = rect.transform.baseVal;\nconst t1 = svg.createSVGTransform();\nrxform.appendItem(t1);\nconst r1 = rxform.getItem(0);\n// Todo: Do frame-independent instance checking\nreturn r1 instanceof SVGTransform && t1 instanceof SVGTransform &&\n\tr1.type === t1.type && r1.angle === t1.angle &&\n\tr1.matrix.a === t1.matrix.a &&\n\tr1.matrix.b === t1.matrix.b &&\n\tr1.matrix.c === t1.matrix.c &&\n\tr1.matrix.d === t1.matrix.d &&\n\tr1.matrix.e === t1.matrix.e &&\n\tr1.matrix.f === t1.matrix.f;\n}());\n\n// Public API\n\n/**\n * @function module:browser.isOpera\n * @returns {boolean}\n*/\nexport const isOpera = () => isOpera_;\n/**\n * @function module:browser.isWebkit\n * @returns {boolean}\n*/\nexport const isWebkit = () => isWebkit_;\n/**\n * @function module:browser.isGecko\n * @returns {boolean}\n*/\nexport const isGecko = () => isGecko_;\n/**\n * @function module:browser.isIE\n * @returns {boolean}\n*/\nexport const isIE = () => isIE_;\n/**\n * @function module:browser.isChrome\n * @returns {boolean}\n*/\nexport const isChrome = () => isChrome_;\n/**\n * @function module:browser.isWindows\n * @returns {boolean}\n*/\nexport const isWindows = () => isWindows_;\n/**\n * @function module:browser.isMac\n * @returns {boolean}\n*/\nexport const isMac = () => isMac_;\n/**\n * @function module:browser.isTouch\n * @returns {boolean}\n*/\nexport const isTouch = () => isTouch_;\n\n/**\n * @function module:browser.supportsSelectors\n * @returns {boolean}\n*/\nexport const supportsSelectors = () => supportsSelectors_;\n\n/**\n * @function module:browser.supportsXpath\n * @returns {boolean}\n*/\nexport const supportsXpath = () => supportsXpath_;\n\n/**\n * @function module:browser.supportsPathReplaceItem\n * @returns {boolean}\n*/\nexport const supportsPathReplaceItem = () => supportsPathReplaceItem_;\n\n/**\n * @function module:browser.supportsPathInsertItemBefore\n * @returns {boolean}\n*/\nexport const supportsPathInsertItemBefore = () => supportsPathInsertItemBefore_;\n\n/**\n * @function module:browser.supportsPathBBox\n * @returns {boolean}\n*/\nexport const supportsPathBBox = () => supportsPathBBox_;\n\n/**\n * @function module:browser.supportsHVLineContainerBBox\n * @returns {boolean}\n*/\nexport const supportsHVLineContainerBBox = () => supportsHVLineContainerBBox_;\n\n/**\n * @function module:browser.supportsGoodTextCharPos\n * @returns {boolean}\n*/\nexport const supportsGoodTextCharPos = () => supportsGoodTextCharPos_;\n\n/**\n* @function module:browser.supportsEditableText\n * @returns {boolean}\n*/\nexport const supportsEditableText = () => supportsEditableText_;\n\n/**\n * @function module:browser.supportsGoodDecimals\n * @returns {boolean}\n*/\nexport const supportsGoodDecimals = () => supportsGoodDecimals_;\n\n/**\n* @function module:browser.supportsNonScalingStroke\n* @returns {boolean}\n*/\nexport const supportsNonScalingStroke = () => supportsNonScalingStroke_;\n\n/**\n* @function module:browser.supportsNativeTransformLists\n* @returns {boolean}\n*/\nexport const supportsNativeTransformLists = () => supportsNativeSVGTransformLists_;\n\n/**\n * Set `supportsNativeSVGTransformLists_` to `false` (for unit testing)\n * @function module:browser.disableSupportsNativeTransformLists\n * @returns {undefined}\n*/\nexport const disableSupportsNativeTransformLists = () => {\n  supportsNativeSVGTransformLists_ = false;\n};\n","/**\n * jQuery module to work with SVG attributes\n * @module jQueryAttr\n * @license MIT\n */\n\n/**\n* This fixes `$(...).attr()` to work as expected with SVG elements.\n* Does not currently use `*AttributeNS()` since we rarely need that.\n* Adds {@link external:jQuery.fn.attr}.\n* See {@link https://api.jquery.com/attr/} for basic documentation of `.attr()`\n*\n* Additional functionality:\n* - When getting attributes, a string that's a number is returned as type number.\n* - If an array is supplied as the first parameter, multiple values are returned\n*    as an object with values for each given attribute\n* @function module:jQueryAttr.jQueryAttr\n* @param {external:jQuery} $ The jQuery object to which to add the plug-in\n* @returns {external:jQuery}\n*/\nexport default function ($) {\n  const proxied = $.fn.attr,\n    svgns = 'http://www.w3.org/2000/svg';\n  /**\n  * @typedef {PlainObject.<string, string|Float>} module:jQueryAttr.Attributes\n  */\n  /**\n  * @function external:jQuery.fn.attr\n  * @param {string|string[]|PlainObject.<string, string>} key\n  * @param {string} value\n  * @returns {external:jQuery|module:jQueryAttr.Attributes}\n  */\n  $.fn.attr = function (key, value) {\n    const len = this.length;\n    if (!len) { return proxied.apply(this, arguments); }\n    for (let i = 0; i < len; ++i) {\n      const elem = this[i];\n      // set/get SVG attribute\n      if (elem.namespaceURI === svgns) {\n        // Setting attribute\n        if (value !== undefined) {\n          elem.setAttribute(key, value);\n        } else if (Array.isArray(key)) {\n          // Getting attributes from array\n          const obj = {};\n          let j = key.length;\n\n          while (j--) {\n            const aname = key[j];\n            let attr = elem.getAttribute(aname);\n            // This returns a number when appropriate\n            if (attr || attr === '0') {\n              attr = isNaN(attr) ? attr : (attr - 0);\n            }\n            obj[aname] = attr;\n          }\n          return obj;\n        }\n        if (typeof key === 'object') {\n          // Setting attributes from object\n          for (const [name, val] of Object.entries(key)) {\n            elem.setAttribute(name, val);\n          }\n        // Getting attribute\n        } else {\n          let attr = elem.getAttribute(key);\n          if (attr || attr === '0') {\n            attr = isNaN(attr) ? attr : (attr - 0);\n          }\n          return attr;\n        }\n      } else {\n        return proxied.apply(this, arguments);\n      }\n    }\n    return this;\n  };\n  return $;\n}\n","/**\n * Partial polyfill of `SVGTransformList`\n * @module SVGTransformList\n *\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport {NS} from './namespaces.js';\nimport {supportsNativeTransformLists} from './browser.js';\n\nconst svgroot = document.createElementNS(NS.SVG, 'svg');\n\n// Helper function.\nfunction transformToString (xform) {\n  const m = xform.matrix;\n  let text = '';\n  switch (xform.type) {\n  case 1: // MATRIX\n    text = 'matrix(' + [m.a, m.b, m.c, m.d, m.e, m.f].join(',') + ')';\n    break;\n  case 2: // TRANSLATE\n    text = 'translate(' + m.e + ',' + m.f + ')';\n    break;\n  case 3: // SCALE\n    if (m.a === m.d) {\n      text = 'scale(' + m.a + ')';\n    } else {\n      text = 'scale(' + m.a + ',' + m.d + ')';\n    }\n    break;\n  case 4: { // ROTATE\n    let cx = 0;\n    let cy = 0;\n    // this prevents divide by zero\n    if (xform.angle !== 0) {\n      const K = 1 - m.a;\n      cy = (K * m.f + m.b * m.e) / (K * K + m.b * m.b);\n      cx = (m.e - m.b * cy) / K;\n    }\n    text = 'rotate(' + xform.angle + ' ' + cx + ',' + cy + ')';\n    break;\n  }\n  }\n  return text;\n}\n\n/**\n * Map of SVGTransformList objects.\n */\nlet listMap_ = {};\n\n/**\n* @interface module:SVGTransformList.SVGEditTransformList\n* @property {Integer} numberOfItems unsigned long\n*/\n/**\n* @function module:SVGTransformList.SVGEditTransformList#clear\n* @returns {undefined}\n*/\n/**\n* @function module:SVGTransformList.SVGEditTransformList#initialize\n* @param {SVGTransform} newItem\n* @returns {SVGTransform}\n*/\n/**\n* (DOES NOT THROW DOMException, INDEX_SIZE_ERR)\n* @function module:SVGTransformList.SVGEditTransformList#getItem\n* @param {Integer} index unsigned long\n* @returns {SVGTransform}\n*/\n/**\n* (DOES NOT THROW DOMException, INDEX_SIZE_ERR)\n* @function module:SVGTransformList.SVGEditTransformList#insertItemBefore\n* @param {SVGTransform} newItem\n* @param {Integer} index unsigned long\n* @returns {SVGTransform}\n*/\n/**\n* (DOES NOT THROW DOMException, INDEX_SIZE_ERR)\n* @function module:SVGTransformList.SVGEditTransformList#replaceItem\n* @param {SVGTransform} newItem\n* @param {Integer} index unsigned long\n* @returns {SVGTransform}\n*/\n/**\n* (DOES NOT THROW DOMException, INDEX_SIZE_ERR)\n* @function module:SVGTransformList.SVGEditTransformList#removeItem\n* @param {Integer} index unsigned long\n* @returns {SVGTransform}\n*/\n/**\n* @function module:SVGTransformList.SVGEditTransformList#appendItem\n* @param {SVGTransform} newItem\n* @returns {SVGTransform}\n*/\n/**\n* NOT IMPLEMENTED\n* @ignore\n* @function module:SVGTransformList.SVGEditTransformList#createSVGTransformFromMatrix\n* @param {SVGMatrix} matrix\n* @returns {SVGTransform}\n*/\n/**\n* NOT IMPLEMENTED\n* @ignore\n* @function module:SVGTransformList.SVGEditTransformList#consolidate\n* @returns {SVGTransform}\n*/\n\n/**\n* SVGTransformList implementation for Webkit.\n* These methods do not currently raise any exceptions.\n* These methods also do not check that transforms are being inserted.  This is basically\n* implementing as much of SVGTransformList that we need to get the job done.\n*/\nexport class SVGTransformList {\n  /**\n  * @param {Element} elem\n  */\n  constructor (elem) {\n    this._elem = elem || null;\n    this._xforms = [];\n    // TODO: how do we capture the undo-ability in the changed transform list?\n    this._update = function () {\n      let tstr = '';\n      // /* const concatMatrix = */ svgroot.createSVGMatrix();\n      for (let i = 0; i < this.numberOfItems; ++i) {\n        const xform = this._list.getItem(i);\n        tstr += transformToString(xform) + ' ';\n      }\n      this._elem.setAttribute('transform', tstr);\n    };\n    this._list = this;\n    this._init = function () {\n      // Transform attribute parser\n      let str = this._elem.getAttribute('transform');\n      if (!str) { return; }\n\n      // TODO: Add skew support in future\n      const re = /\\s*((scale|matrix|rotate|translate)\\s*\\(.*?\\))\\s*,?\\s*/;\n      let m = true;\n      while (m) {\n        m = str.match(re);\n        str = str.replace(re, '');\n        if (m && m[1]) {\n          const x = m[1];\n          const bits = x.split(/\\s*\\(/);\n          const name = bits[0];\n          const valBits = bits[1].match(/\\s*(.*?)\\s*\\)/);\n          valBits[1] = valBits[1].replace(/(\\d)-/g, '$1 -');\n          const valArr = valBits[1].split(/[, ]+/);\n          const letters = 'abcdef'.split('');\n          const mtx = svgroot.createSVGMatrix();\n          Object.values(valArr).forEach(function (item, i) {\n            valArr[i] = parseFloat(item);\n            if (name === 'matrix') {\n              mtx[letters[i]] = valArr[i];\n            }\n          });\n          const xform = svgroot.createSVGTransform();\n          const fname = 'set' + name.charAt(0).toUpperCase() + name.slice(1);\n          const values = name === 'matrix' ? [mtx] : valArr;\n\n          if (name === 'scale' && values.length === 1) {\n            values.push(values[0]);\n          } else if (name === 'translate' && values.length === 1) {\n            values.push(0);\n          } else if (name === 'rotate' && values.length === 1) {\n            values.push(0, 0);\n          }\n          xform[fname].apply(xform, values);\n          this._list.appendItem(xform);\n        }\n      }\n    };\n    this._removeFromOtherLists = function (item) {\n      if (item) {\n        // Check if this transform is already in a transformlist, and\n        // remove it if so.\n        let found = false;\n        for (const id in listMap_) {\n          const tl = listMap_[id];\n          for (let i = 0, len = tl._xforms.length; i < len; ++i) {\n            if (tl._xforms[i] === item) {\n              found = true;\n              tl.removeItem(i);\n              break;\n            }\n          }\n          if (found) {\n            break;\n          }\n        }\n      }\n    };\n\n    this.numberOfItems = 0;\n  }\n  /**\n  * @returns {undefined}\n  */\n  clear () {\n    this.numberOfItems = 0;\n    this._xforms = [];\n  }\n\n  /**\n  * @param {SVGTransform} newItem\n  * @returns {SVGTransform}\n  */\n  initialize (newItem) {\n    this.numberOfItems = 1;\n    this._removeFromOtherLists(newItem);\n    this._xforms = [newItem];\n  }\n\n  /**\n  * @param {Integer} index unsigned long\n  * @throws {Error}\n  * @returns {SVGTransform}\n  */\n  getItem (index) {\n    if (index < this.numberOfItems && index >= 0) {\n      return this._xforms[index];\n    }\n    const err = new Error('DOMException with code=INDEX_SIZE_ERR');\n    err.code = 1;\n    throw err;\n  }\n\n  /**\n  * @param {SVGTransform} newItem\n  * @param {Integer} index unsigned long\n  * @returns {SVGTransform}\n  */\n  insertItemBefore (newItem, index) {\n    let retValue = null;\n    if (index >= 0) {\n      if (index < this.numberOfItems) {\n        this._removeFromOtherLists(newItem);\n        const newxforms = new Array(this.numberOfItems + 1);\n        // TODO: use array copying and slicing\n        let i;\n        for (i = 0; i < index; ++i) {\n          newxforms[i] = this._xforms[i];\n        }\n        newxforms[i] = newItem;\n        for (let j = i + 1; i < this.numberOfItems; ++j, ++i) {\n          newxforms[j] = this._xforms[i];\n        }\n        this.numberOfItems++;\n        this._xforms = newxforms;\n        retValue = newItem;\n        this._list._update();\n      } else {\n        retValue = this._list.appendItem(newItem);\n      }\n    }\n    return retValue;\n  }\n\n  /**\n  * @param {SVGTransform} newItem\n  * @param {Integer} index unsigned long\n  * @returns {SVGTransform}\n  */\n  replaceItem (newItem, index) {\n    let retValue = null;\n    if (index < this.numberOfItems && index >= 0) {\n      this._removeFromOtherLists(newItem);\n      this._xforms[index] = newItem;\n      retValue = newItem;\n      this._list._update();\n    }\n    return retValue;\n  }\n\n  /**\n  * @param {Integer} index unsigned long\n  * @throws {Error}\n  * @returns {SVGTransform}\n  */\n  removeItem (index) {\n    if (index < this.numberOfItems && index >= 0) {\n      const retValue = this._xforms[index];\n      const newxforms = new Array(this.numberOfItems - 1);\n      let i;\n      for (i = 0; i < index; ++i) {\n        newxforms[i] = this._xforms[i];\n      }\n      for (let j = i; j < this.numberOfItems - 1; ++j, ++i) {\n        newxforms[j] = this._xforms[i + 1];\n      }\n      this.numberOfItems--;\n      this._xforms = newxforms;\n      this._list._update();\n      return retValue;\n    }\n    const err = new Error('DOMException with code=INDEX_SIZE_ERR');\n    err.code = 1;\n    throw err;\n  }\n\n  /**\n  * @param {SVGTransform} newItem\n  * @returns {SVGTransform}\n  */\n  appendItem (newItem) {\n    this._removeFromOtherLists(newItem);\n    this._xforms.push(newItem);\n    this.numberOfItems++;\n    this._list._update();\n    return newItem;\n  }\n}\n\n/**\n* @function module:SVGTransformList.resetListMap\n* @returns {undefined}\n*/\nexport const resetListMap = function () {\n  listMap_ = {};\n};\n\n/**\n * Removes transforms of the given element from the map.\n * @function module:SVGTransformList.removeElementFromListMap\n * @param {Element} elem - a DOM Element\n * @returns {undefined}\n */\nexport let removeElementFromListMap = function (elem) {\n  if (elem.id && listMap_[elem.id]) {\n    delete listMap_[elem.id];\n  }\n};\n\n/**\n* Returns an object that behaves like a `SVGTransformList` for the given DOM element\n* @function module:SVGTransformList.getTransformList\n* @param {Element} elem - DOM element to get a transformlist from\n* @todo The polyfill should have `SVGAnimatedTransformList` and this should use it\n* @returns {SVGAnimatedTransformList|SVGTransformList}\n*/\nexport const getTransformList = function (elem) {\n  if (!supportsNativeTransformLists()) {\n    const id = elem.id || 'temp';\n    let t = listMap_[id];\n    if (!t || id === 'temp') {\n      listMap_[id] = new SVGTransformList(elem);\n      listMap_[id]._init();\n      t = listMap_[id];\n    }\n    return t;\n  }\n  if (elem.transform) {\n    return elem.transform.baseVal;\n  }\n  if (elem.gradientTransform) {\n    return elem.gradientTransform.baseVal;\n  }\n  if (elem.patternTransform) {\n    return elem.patternTransform.baseVal;\n  }\n\n  return null;\n};\n\n/**\n* @callback module:SVGTransformList.removeElementFromListMap\n* @param {Element} elem\n*/\n/**\n* For unit-testing\n* @function module:SVGTransformList.changeRemoveElementFromListMap\n* @param {module:SVGTransformList.removeElementFromListMap} cb Passed a single argument `elem`\n* @returns {undefined}\n*/\nexport const changeRemoveElementFromListMap = function (cb) {\n  removeElementFromListMap = cb;\n};\n","/**\n * Tools for working with units\n * @module units\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport {NS} from './namespaces.js';\n\nconst wAttrs = ['x', 'x1', 'cx', 'rx', 'width'];\nconst hAttrs = ['y', 'y1', 'cy', 'ry', 'height'];\nconst unitAttrs = ['r', 'radius', ...wAttrs, ...hAttrs];\n// unused\n/*\nconst unitNumMap = {\n  '%': 2,\n  em: 3,\n  ex: 4,\n  px: 5,\n  cm: 6,\n  mm: 7,\n  in: 8,\n  pt: 9,\n  pc: 10\n};\n*/\n// Container of elements.\nlet elementContainer_;\n\n// Stores mapping of unit type to user coordinates.\nlet typeMap_ = {};\n\n/**\n * @interface module:units.ElementContainer\n */\n/**\n * @function module:units.ElementContainer#getBaseUnit\n * @returns {string} The base unit type of the container ('em')\n */\n/**\n * @function module:units.ElementContainer#getElement\n * @returns {Element} An element in the container given an id\n */\n/**\n * @function module:units.ElementContainer#getHeight\n * @returns {Float} The container's height\n */\n/**\n * @function module:units.ElementContainer#getWidth\n * @returns {Float} The container's width\n */\n/**\n * @function module:units.ElementContainer#getRoundDigits\n * @returns {Integer} The number of digits number should be rounded to\n */\n\n/**\n * @typedef {PlainObject} module:units.TypeMap\n * @property {Float} em\n * @property {Float} ex\n * @property {Float} in\n * @property {Float} cm\n * @property {Float} mm\n * @property {Float} pt\n * @property {Float} pc\n * @property {Integer} px\n * @property {0} %\n */\n\n/**\n * Initializes this module.\n *\n * @function module:units.init\n * @param {module:units.ElementContainer} elementContainer - An object implementing the ElementContainer interface.\n * @returns {undefined}\n */\nexport const init = function (elementContainer) {\n  elementContainer_ = elementContainer;\n\n  // Get correct em/ex values by creating a temporary SVG.\n  const svg = document.createElementNS(NS.SVG, 'svg');\n  document.body.append(svg);\n  const rect = document.createElementNS(NS.SVG, 'rect');\n  rect.setAttribute('width', '1em');\n  rect.setAttribute('height', '1ex');\n  rect.setAttribute('x', '1in');\n  svg.append(rect);\n  const bb = rect.getBBox();\n  svg.remove();\n\n  const inch = bb.x;\n  typeMap_ = {\n    em: bb.width,\n    ex: bb.height,\n    in: inch,\n    cm: inch / 2.54,\n    mm: inch / 25.4,\n    pt: inch / 72,\n    pc: inch / 6,\n    px: 1,\n    '%': 0\n  };\n};\n\n/**\n* Group: Unit conversion functions\n*/\n\n/**\n * @function module:units.getTypeMap\n * @returns {module:units.TypeMap} The unit object with values for each unit\n*/\nexport const getTypeMap = function () {\n  return typeMap_;\n};\n\n/**\n* @typedef {GenericArray} module:units.CompareNumbers\n* @property {Integer} length 2\n* @property {Float} 0\n* @property {Float} 1\n*/\n\n/**\n* Rounds a given value to a float with number of digits defined in\n* `round_digits` of `saveOptions`\n*\n* @function module:units.shortFloat\n* @param {string|Float|module:units.CompareNumbers} val - The value (or Array of two numbers) to be rounded\n* @returns {Float|string} If a string/number was given, returns a Float. If an array, return a string\n* with comma-separated floats\n*/\nexport const shortFloat = function (val) {\n  const digits = elementContainer_.getRoundDigits();\n  if (!isNaN(val)) {\n    // Note that + converts to Number\n    return +((+val).toFixed(digits));\n  }\n  if (Array.isArray(val)) {\n    return shortFloat(val[0]) + ',' + shortFloat(val[1]);\n  }\n  return parseFloat(val).toFixed(digits) - 0;\n};\n\n/**\n* Converts the number to given unit or baseUnit\n* @function module:units.convertUnit\n* @returns {Float}\n*/\nexport const convertUnit = function (val, unit) {\n  unit = unit || elementContainer_.getBaseUnit();\n  // baseVal.convertToSpecifiedUnits(unitNumMap[unit]);\n  // const val = baseVal.valueInSpecifiedUnits;\n  // baseVal.convertToSpecifiedUnits(1);\n  return shortFloat(val / typeMap_[unit]);\n};\n\n/**\n* Sets an element's attribute based on the unit in its current value.\n*\n* @function module:units.setUnitAttr\n* @param {Element} elem - DOM element to be changed\n* @param {string} attr - Name of the attribute associated with the value\n* @param {string} val - Attribute value to convert\n* @returns {undefined}\n*/\nexport const setUnitAttr = function (elem, attr, val) {\n  //  if (!isNaN(val)) {\n  // New value is a number, so check currently used unit\n  // const oldVal = elem.getAttribute(attr);\n\n  // Enable this for alternate mode\n  // if (oldVal !== null && (isNaN(oldVal) || elementContainer_.getBaseUnit() !== 'px')) {\n  //   // Old value was a number, so get unit, then convert\n  //   let unit;\n  //   if (oldVal.substr(-1) === '%') {\n  //     const res = getResolution();\n  //     unit = '%';\n  //     val *= 100;\n  //     if (wAttrs.includes(attr)) {\n  //       val = val / res.w;\n  //     } else if (hAttrs.includes(attr)) {\n  //       val = val / res.h;\n  //     } else {\n  //       return val / Math.sqrt((res.w*res.w) + (res.h*res.h))/Math.sqrt(2);\n  //     }\n  //   } else {\n  //     if (elementContainer_.getBaseUnit() !== 'px') {\n  //       unit = elementContainer_.getBaseUnit();\n  //     } else {\n  //       unit = oldVal.substr(-2);\n  //     }\n  //     val = val / typeMap_[unit];\n  //   }\n  //\n  // val += unit;\n  // }\n  // }\n  elem.setAttribute(attr, val);\n};\n\nconst attrsToConvert = {\n  line: ['x1', 'x2', 'y1', 'y2'],\n  circle: ['cx', 'cy', 'r'],\n  ellipse: ['cx', 'cy', 'rx', 'ry'],\n  foreignObject: ['x', 'y', 'width', 'height'],\n  rect: ['x', 'y', 'width', 'height'],\n  image: ['x', 'y', 'width', 'height'],\n  use: ['x', 'y', 'width', 'height'],\n  text: ['x', 'y']\n};\n\n/**\n* Converts all applicable attributes to the configured baseUnit\n* @function module:units.convertAttrs\n* @param {Element} element - A DOM element whose attributes should be converted\n* @returns {undefined}\n*/\nexport const convertAttrs = function (element) {\n  const elName = element.tagName;\n  const unit = elementContainer_.getBaseUnit();\n  const attrs = attrsToConvert[elName];\n  if (!attrs) { return; }\n\n  const len = attrs.length;\n  for (let i = 0; i < len; i++) {\n    const attr = attrs[i];\n    const cur = element.getAttribute(attr);\n    if (cur) {\n      if (!isNaN(cur)) {\n        element.setAttribute(attr, (cur / typeMap_[unit]) + unit);\n      }\n      // else {\n      // Convert existing?\n      // }\n    }\n  }\n};\n\n/**\n* Converts given values to numbers. Attributes must be supplied in\n* case a percentage is given\n*\n* @function module:units.convertToNum\n* @param {string} attr - Name of the attribute associated with the value\n* @param {string} val - Attribute value to convert\n* @returns {Float} The converted number\n*/\nexport const convertToNum = function (attr, val) {\n  // Return a number if that's what it already is\n  if (!isNaN(val)) { return val - 0; }\n  if (val.substr(-1) === '%') {\n    // Deal with percentage, depends on attribute\n    const num = val.substr(0, val.length - 1) / 100;\n    const width = elementContainer_.getWidth();\n    const height = elementContainer_.getHeight();\n\n    if (wAttrs.includes(attr)) {\n      return num * width;\n    }\n    if (hAttrs.includes(attr)) {\n      return num * height;\n    }\n    return num * Math.sqrt((width * width) + (height * height)) / Math.sqrt(2);\n  }\n  const unit = val.substr(-2);\n  const num = val.substr(0, val.length - 2);\n  // Note that this multiplication turns the string into a number\n  return num * typeMap_[unit];\n};\n\n/**\n* Check if an attribute's value is in a valid format\n* @function module:units.isValidUnit\n* @param {string} attr - The name of the attribute associated with the value\n* @param {string} val - The attribute value to check\n* @returns {boolean} Whether the unit is valid\n*/\nexport const isValidUnit = function (attr, val, selectedElement) {\n  if (unitAttrs.includes(attr)) {\n    // True if it's just a number\n    if (!isNaN(val)) {\n      return true;\n    }\n    // Not a number, check if it has a valid unit\n    val = val.toLowerCase();\n    return Object.keys(typeMap_).some((unit) => {\n      const re = new RegExp('^-?[\\\\d\\\\.]+' + unit + '$');\n      return re.test(val);\n    });\n  }\n  if (attr === 'id') {\n    // if we're trying to change the id, make sure it's not already present in the doc\n    // and the id value is valid.\n\n    let result = false;\n    // because getElem() can throw an exception in the case of an invalid id\n    // (according to https://www.w3.org/TR/xml-id/ IDs must be a NCName)\n    // we wrap it in an exception and only return true if the ID was valid and\n    // not already present\n    try {\n      const elem = elementContainer_.getElement(val);\n      result = (elem == null || elem === selectedElement);\n    } catch (e) {}\n    return result;\n  }\n  return true;\n};\n","/**\n * For command history tracking and undo functionality\n * @module history\n * @license MIT\n * @copyright 2010 Jeff Schiller\n */\n\nimport {getHref, setHref, getRotationAngle} from './utilities.js';\nimport {removeElementFromListMap} from './svgtransformlist.js';\n\n/**\n* Group: Undo/Redo history management\n*/\nexport const HistoryEventTypes = {\n  BEFORE_APPLY: 'before_apply',\n  AFTER_APPLY: 'after_apply',\n  BEFORE_UNAPPLY: 'before_unapply',\n  AFTER_UNAPPLY: 'after_unapply'\n};\n\n// const removedElements = {};\n\n/**\n* Base class for commands\n*/\nclass Command {\n  /**\n  * @returns {string}\n  */\n  getText () {\n    return this.text;\n  }\n}\n\n// Todo: Figure out why the interface members aren't showing\n//   up (with or without modules applied), despite our apparently following\n//   http://usejsdoc.org/tags-interface.html#virtual-comments\n\n/**\n * An interface that all command objects must implement.\n * @interface module:history.HistoryCommand\n*/\n/**\n * Applies\n *\n * @function module:history.HistoryCommand#apply\n * @param {module:history.HistoryEventHandler}\n * @fires module:history~Command#event:history\n * @returns {undefined|true}\n */\n/**\n *\n * Unapplies\n * @function module:history.HistoryCommand#unapply\n * @param {module:history.HistoryEventHandler}\n * @fires module:history~Command#event:history\n * @returns {undefined|true}\n */\n/**\n * Returns the elements\n * @function module:history.HistoryCommand#elements\n * @returns {Element[]}\n */\n/**\n * Gets the text\n * @function module:history.HistoryCommand#getText\n * @returns {string}\n */\n/**\n * Gives the type\n * @function module:history.HistoryCommand.type\n * @returns {string}\n */\n/**\n * Gives the type\n * @function module:history.HistoryCommand#type\n * @returns {string}\n*/\n\n/**\n * @event module:history~Command#event:history\n * @type {module:history.HistoryCommand}\n */\n\n/**\n * An interface for objects that will handle history events.\n * @interface module:history.HistoryEventHandler\n */\n/**\n *\n * @function module:history.HistoryEventHandler#handleHistoryEvent\n * @param {string} eventType One of the HistoryEvent types\n * @param {module:history~Command#event:history} command\n * @listens module:history~Command#event:history\n * @returns {undefined}\n *\n */\n\n/**\n * History command for an element that had its DOM position changed\n * @implements {module:history.HistoryCommand}\n * @param {Element} elem - The DOM element that was moved\n * @param {Element} oldNextSibling - The element's next sibling before it was moved\n * @param {Element} oldParent - The element's parent before it was moved\n * @param {string} [text] - An optional string visible to user related to this change\n*/\nexport class MoveElementCommand extends Command {\n  constructor (elem, oldNextSibling, oldParent, text) {\n    super();\n    this.elem = elem;\n    this.text = text ? ('Move ' + elem.tagName + ' to ' + text) : ('Move ' + elem.tagName);\n    this.oldNextSibling = oldNextSibling;\n    this.oldParent = oldParent;\n    this.newNextSibling = elem.nextSibling;\n    this.newParent = elem.parentNode;\n  }\n  type () {\n    return 'svgedit.history.MoveElementCommand';\n  }\n\n  /**\n   * Re-positions the element\n   * @param {module:history.HistoryEventHandler} handler\n   * @fires module:history~Command#event:history\n   * @returns {undefined}\n  */\n  apply (handler) {\n    // TODO(codedread): Refactor this common event code into a base HistoryCommand class.\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    this.elem = this.newParent.insertBefore(this.elem, this.newNextSibling);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n  }\n\n  /**\n   * Positions the element back to its original location\n   * @param {module:history.HistoryEventHandler} handler\n   * @fires module:history~Command#event:history\n   * @returns {undefined}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    this.elem = this.oldParent.insertBefore(this.elem, this.oldNextSibling);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n  }\n\n  /**\n  * @returns {Element[]} Array with element associated with this command\n  */\n  elements () {\n    return [this.elem];\n  }\n}\nMoveElementCommand.type = MoveElementCommand.prototype.type;\n\n/**\n* History command for an element that was added to the DOM\n* @implements {module:history.HistoryCommand}\n*\n* @param {Element} elem - The newly added DOM element\n* @param {string} text - An optional string visible to user related to this change\n*/\nexport class InsertElementCommand extends Command {\n  constructor (elem, text) {\n    super();\n    this.elem = elem;\n    this.text = text || ('Create ' + elem.tagName);\n    this.parent = elem.parentNode;\n    this.nextSibling = this.elem.nextSibling;\n  }\n\n  type () {\n    return 'svgedit.history.InsertElementCommand';\n  }\n\n  /**\n  * Re-inserts the new element\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  apply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    this.elem = this.parent.insertBefore(this.elem, this.nextSibling);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n  }\n\n  /**\n  * Removes the element\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    this.parent = this.elem.parentNode;\n    this.elem = this.elem.parentNode.removeChild(this.elem);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n  }\n\n  /**\n  * @returns {Element[]} Array with element associated with this command\n  */\n  elements () {\n    return [this.elem];\n  }\n}\nInsertElementCommand.type = InsertElementCommand.prototype.type;\n\n/**\n* History command for an element removed from the DOM\n* @implements {module:history.HistoryCommand}\n* @param {Element} elem - The removed DOM element\n* @param {Node} oldNextSibling - The DOM element's nextSibling when it was in the DOM\n* @param {Element} oldParent - The DOM element's parent\n* @param {string} [text] - An optional string visible to user related to this change\n*/\nexport class RemoveElementCommand extends Command {\n  constructor (elem, oldNextSibling, oldParent, text) {\n    super();\n    this.elem = elem;\n    this.text = text || ('Delete ' + elem.tagName);\n    this.nextSibling = oldNextSibling;\n    this.parent = oldParent;\n\n    // special hack for webkit: remove this element's entry in the svgTransformLists map\n    removeElementFromListMap(elem);\n  }\n  type () {\n    return 'svgedit.history.RemoveElementCommand';\n  }\n\n  /**\n  * Re-removes the new element\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  apply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    removeElementFromListMap(this.elem);\n    this.parent = this.elem.parentNode;\n    this.elem = this.parent.removeChild(this.elem);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n  }\n\n  /**\n  * Re-adds the new element\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    removeElementFromListMap(this.elem);\n    if (this.nextSibling == null) {\n      if (window.console) {\n        console.log('Error: reference element was lost');\n      }\n    }\n    this.parent.insertBefore(this.elem, this.nextSibling); // Don't use `before` or `prepend` as `this.nextSibling` may be `null`\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n  }\n\n  /**\n  * @returns {Element[]} Array with element associated with this command\n  */\n  elements () {\n    return [this.elem];\n  }\n}\nRemoveElementCommand.type = RemoveElementCommand.prototype.type;\n\n/**\n* @typedef {\"#text\"|\"#href\"|string} module:history.CommandAttributeName\n*/\n/**\n* @typedef {PlainObject.<module:history.CommandAttributeName, string>} module:history.CommandAttributes\n*/\n\n/**\n* History command to make a change to an element.\n* Usually an attribute change, but can also be textcontent.\n* @implements {module:history.HistoryCommand}\n* @param {Element} elem - The DOM element that was changed\n* @param {module:history.CommandAttributes} attrs - Attributes to be changed with the values they had *before* the change\n* @param {string} text - An optional string visible to user related to this change\n*/\nexport class ChangeElementCommand extends Command {\n  constructor (elem, attrs, text) {\n    super();\n    this.elem = elem;\n    this.text = text ? ('Change ' + elem.tagName + ' ' + text) : ('Change ' + elem.tagName);\n    this.newValues = {};\n    this.oldValues = attrs;\n    for (const attr in attrs) {\n      if (attr === '#text') {\n        this.newValues[attr] = elem.textContent;\n      } else if (attr === '#href') {\n        this.newValues[attr] = getHref(elem);\n      } else {\n        this.newValues[attr] = elem.getAttribute(attr);\n      }\n    }\n  }\n  type () {\n    return 'svgedit.history.ChangeElementCommand';\n  }\n\n  /**\n  * Performs the stored change action\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {true}\n  */\n  apply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    let bChangedTransform = false;\n    for (const attr in this.newValues) {\n      if (this.newValues[attr]) {\n        if (attr === '#text') {\n          this.elem.textContent = this.newValues[attr];\n        } else if (attr === '#href') {\n          setHref(this.elem, this.newValues[attr]);\n        } else {\n          this.elem.setAttribute(attr, this.newValues[attr]);\n        }\n      } else {\n        if (attr === '#text') {\n          this.elem.textContent = '';\n        } else {\n          this.elem.setAttribute(attr, '');\n          this.elem.removeAttribute(attr);\n        }\n      }\n\n      if (attr === 'transform') { bChangedTransform = true; }\n    }\n\n    // relocate rotational transform, if necessary\n    if (!bChangedTransform) {\n      const angle = getRotationAngle(this.elem);\n      if (angle) {\n        const bbox = this.elem.getBBox();\n        const cx = bbox.x + bbox.width / 2,\n          cy = bbox.y + bbox.height / 2;\n        const rotate = ['rotate(', angle, ' ', cx, ',', cy, ')'].join('');\n        if (rotate !== this.elem.getAttribute('transform')) {\n          this.elem.setAttribute('transform', rotate);\n        }\n      }\n    }\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n\n    return true;\n  }\n\n  /**\n  * Reverses the stored change action\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {true}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    let bChangedTransform = false;\n    for (const attr in this.oldValues) {\n      if (this.oldValues[attr]) {\n        if (attr === '#text') {\n          this.elem.textContent = this.oldValues[attr];\n        } else if (attr === '#href') {\n          setHref(this.elem, this.oldValues[attr]);\n        } else {\n          this.elem.setAttribute(attr, this.oldValues[attr]);\n        }\n      } else {\n        if (attr === '#text') {\n          this.elem.textContent = '';\n        } else {\n          this.elem.removeAttribute(attr);\n        }\n      }\n      if (attr === 'transform') { bChangedTransform = true; }\n    }\n    // relocate rotational transform, if necessary\n    if (!bChangedTransform) {\n      const angle = getRotationAngle(this.elem);\n      if (angle) {\n        const bbox = this.elem.getBBox();\n        const cx = bbox.x + bbox.width / 2,\n          cy = bbox.y + bbox.height / 2;\n        const rotate = ['rotate(', angle, ' ', cx, ',', cy, ')'].join('');\n        if (rotate !== this.elem.getAttribute('transform')) {\n          this.elem.setAttribute('transform', rotate);\n        }\n      }\n    }\n\n    // Remove transformlist to prevent confusion that causes bugs like 575.\n    removeElementFromListMap(this.elem);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n\n    return true;\n  }\n\n  /**\n  * @returns {Element[]} Array with element associated with this command\n  */\n  elements () {\n    return [this.elem];\n  }\n}\nChangeElementCommand.type = ChangeElementCommand.prototype.type;\n\n// TODO: create a 'typing' command object that tracks changes in text\n// if a new Typing command is created and the top command on the stack is also a Typing\n// and they both affect the same element, then collapse the two commands into one\n\n/**\n* History command that can contain/execute multiple other commands\n* @implements {module:history.HistoryCommand}\n*/\nexport class BatchCommand extends Command {\n  /**\n  * @param {string} [text] - An optional string visible to user related to this change\n  */\n  constructor (text) {\n    super();\n    this.text = text || 'Batch Command';\n    this.stack = [];\n  }\n\n  type () {\n    return 'svgedit.history.BatchCommand';\n  }\n\n  /**\n  * Runs \"apply\" on all subcommands\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  apply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    const len = this.stack.length;\n    for (let i = 0; i < len; ++i) {\n      this.stack[i].apply(handler);\n    }\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n  }\n\n  /**\n  * Runs \"unapply\" on all subcommands\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    for (let i = this.stack.length - 1; i >= 0; i--) {\n      this.stack[i].unapply(handler);\n    }\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n  }\n\n  /**\n  * Iterate through all our subcommands\n  * @returns {Element[]} All the elements we are changing\n  */\n  elements () {\n    const elems = [];\n    let cmd = this.stack.length;\n    while (cmd--) {\n      const thisElems = this.stack[cmd].elements();\n      let elem = thisElems.length;\n      while (elem--) {\n        if (!elems.includes(thisElems[elem])) { elems.push(thisElems[elem]); }\n      }\n    }\n    return elems;\n  }\n\n  /**\n  * Adds a given command to the history stack\n  * @param {Command} cmd - The undo command object to add\n  */\n  addSubCommand (cmd) {\n    this.stack.push(cmd);\n  }\n\n  /**\n  * @returns {boolean} Indicates whether or not the batch command is empty\n  */\n  isEmpty () {\n    return !this.stack.length;\n  }\n}\nBatchCommand.type = BatchCommand.prototype.type;\n\n/**\n*\n*/\nexport class UndoManager {\n  /**\n  * @param {module:history.HistoryEventHandler} historyEventHandler\n  */\n  constructor (historyEventHandler) {\n    this.handler_ = historyEventHandler || null;\n    this.undoStackPointer = 0;\n    this.undoStack = [];\n\n    // this is the stack that stores the original values, the elements and\n    // the attribute name for begin/finish\n    this.undoChangeStackPointer = -1;\n    this.undoableChangeStack = [];\n  }\n\n  /**\n  * Resets the undo stack, effectively clearing the undo/redo history\n  * @returns {undefined}\n  */\n  resetUndoStack () {\n    this.undoStack = [];\n    this.undoStackPointer = 0;\n  }\n\n  /**\n  * @returns {Integer} Current size of the undo history stack\n  */\n  getUndoStackSize () {\n    return this.undoStackPointer;\n  }\n\n  /**\n  * @returns {Integer} Current size of the redo history stack\n  */\n  getRedoStackSize () {\n    return this.undoStack.length - this.undoStackPointer;\n  }\n\n  /**\n  * @returns {string} String associated with the next undo command\n  */\n  getNextUndoCommandText () {\n    return this.undoStackPointer > 0 ? this.undoStack[this.undoStackPointer - 1].getText() : '';\n  }\n\n  /**\n  * @returns {string} String associated with the next redo command\n  */\n  getNextRedoCommandText () {\n    return this.undoStackPointer < this.undoStack.length ? this.undoStack[this.undoStackPointer].getText() : '';\n  }\n\n  /**\n  * Performs an undo step\n  * @returns {undefined}\n  */\n  undo () {\n    if (this.undoStackPointer > 0) {\n      const cmd = this.undoStack[--this.undoStackPointer];\n      cmd.unapply(this.handler_);\n    }\n  }\n\n  /**\n  * Performs a redo step\n  * @returns {undefined}\n  */\n  redo () {\n    if (this.undoStackPointer < this.undoStack.length && this.undoStack.length > 0) {\n      const cmd = this.undoStack[this.undoStackPointer++];\n      cmd.apply(this.handler_);\n    }\n  }\n\n  /**\n  * Adds a command object to the undo history stack\n  * @param {Command} cmd - The command object to add\n  * @returns {undefined}\n  */\n  addCommandToHistory (cmd) {\n    // FIXME: we MUST compress consecutive text changes to the same element\n    // (right now each keystroke is saved as a separate command that includes the\n    // entire text contents of the text element)\n    // TODO: consider limiting the history that we store here (need to do some slicing)\n\n    // if our stack pointer is not at the end, then we have to remove\n    // all commands after the pointer and insert the new command\n    if (this.undoStackPointer < this.undoStack.length && this.undoStack.length > 0) {\n      this.undoStack = this.undoStack.splice(0, this.undoStackPointer);\n    }\n    this.undoStack.push(cmd);\n    this.undoStackPointer = this.undoStack.length;\n  }\n\n  /**\n  * This function tells the canvas to remember the old values of the\n  * `attrName` attribute for each element sent in.  The elements and values\n  * are stored on a stack, so the next call to `finishUndoableChange()` will\n  * pop the elements and old values off the stack, gets the current values\n  * from the DOM and uses all of these to construct the undo-able command.\n  * @param {string} attrName - The name of the attribute being changed\n  * @param {Element[]} elems - Array of DOM elements being changed\n  * @returns {undefined}\n  */\n  beginUndoableChange (attrName, elems) {\n    const p = ++this.undoChangeStackPointer;\n    let i = elems.length;\n    const oldValues = new Array(i), elements = new Array(i);\n    while (i--) {\n      const elem = elems[i];\n      if (elem == null) { continue; }\n      elements[i] = elem;\n      oldValues[i] = elem.getAttribute(attrName);\n    }\n    this.undoableChangeStack[p] = {\n      attrName,\n      oldValues,\n      elements\n    };\n  }\n\n  /**\n  * This function returns a `BatchCommand` object which summarizes the\n  * change since `beginUndoableChange` was called.  The command can then\n  * be added to the command history\n  * @returns {BatchCommand} Batch command object with resulting changes\n  */\n  finishUndoableChange () {\n    const p = this.undoChangeStackPointer--;\n    const changeset = this.undoableChangeStack[p];\n    const {attrName} = changeset;\n    const batchCmd = new BatchCommand('Change ' + attrName);\n    let i = changeset.elements.length;\n    while (i--) {\n      const elem = changeset.elements[i];\n      if (elem == null) { continue; }\n      const changes = {};\n      changes[attrName] = changeset.oldValues[i];\n      if (changes[attrName] !== elem.getAttribute(attrName)) {\n        batchCmd.addSubCommand(new ChangeElementCommand(elem, changes, attrName));\n      }\n    }\n    this.undoableChangeStack[p] = null;\n    return batchCmd;\n  }\n}\n","/**\n * Mathematical utilities\n * @module math\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\n/**\n* @typedef {PlainObject} module:math.AngleCoord45\n* @property {Float} x - The angle-snapped x value\n* @property {Float} y - The angle-snapped y value\n* @property {Integer} a - The angle at which to snap\n*/\n\n/**\n* @typedef {PlainObject} module:math.XYObject\n* @property {Float} x\n* @property {Float} y\n*/\n\nimport {NS} from './namespaces.js';\nimport {getTransformList} from './svgtransformlist.js';\n\n// Constants\nconst NEAR_ZERO = 1e-14;\n\n// Throw away SVGSVGElement used for creating matrices/transforms.\nconst svg = document.createElementNS(NS.SVG, 'svg');\n\n/**\n * A (hopefully) quicker function to transform a point by a matrix\n * (this function avoids any DOM calls and just does the math)\n * @function module:math.transformPoint\n * @param {Float} x - Float representing the x coordinate\n * @param {Float} y - Float representing the y coordinate\n * @param {SVGMatrix} m - Matrix object to transform the point with\n * @returns {module:math.XYObject} An x, y object representing the transformed point\n*/\nexport const transformPoint = function (x, y, m) {\n  return {x: m.a * x + m.c * y + m.e, y: m.b * x + m.d * y + m.f};\n};\n\n/**\n * Helper function to check if the matrix performs no actual transform\n * (i.e. exists for identity purposes)\n * @function module:math.isIdentity\n * @param {SVGMatrix} m - The matrix object to check\n * @returns {boolean} Indicates whether or not the matrix is 1,0,0,1,0,0\n*/\nexport const isIdentity = function (m) {\n  return (m.a === 1 && m.b === 0 && m.c === 0 && m.d === 1 && m.e === 0 && m.f === 0);\n};\n\n/**\n * This function tries to return a `SVGMatrix` that is the multiplication `m1 * m2`.\n * We also round to zero when it's near zero\n * @function module:math.matrixMultiply\n * @param {...SVGMatrix} args - Matrix objects to multiply\n * @returns {SVGMatrix} The matrix object resulting from the calculation\n*/\nexport const matrixMultiply = function (...args) {\n  const m = args.reduceRight((prev, m1) => {\n    return m1.multiply(prev);\n  });\n\n  if (Math.abs(m.a) < NEAR_ZERO) { m.a = 0; }\n  if (Math.abs(m.b) < NEAR_ZERO) { m.b = 0; }\n  if (Math.abs(m.c) < NEAR_ZERO) { m.c = 0; }\n  if (Math.abs(m.d) < NEAR_ZERO) { m.d = 0; }\n  if (Math.abs(m.e) < NEAR_ZERO) { m.e = 0; }\n  if (Math.abs(m.f) < NEAR_ZERO) { m.f = 0; }\n\n  return m;\n};\n\n/**\n * See if the given transformlist includes a non-indentity matrix transform\n * @function module:math.hasMatrixTransform\n * @param {SVGTransformList} [tlist] - The transformlist to check\n * @returns {boolean} Whether or not a matrix transform was found\n*/\nexport const hasMatrixTransform = function (tlist) {\n  if (!tlist) { return false; }\n  let num = tlist.numberOfItems;\n  while (num--) {\n    const xform = tlist.getItem(num);\n    if (xform.type === 1 && !isIdentity(xform.matrix)) { return true; }\n  }\n  return false;\n};\n\n/**\n* @typedef {PlainObject} module:math.TransformedBox An object with the following values\n* @property {module:math.XYObject} tl - The top left coordinate\n* @property {module:math.XYObject} tr - The top right coordinate\n* @property {module:math.XYObject} bl - The bottom left coordinate\n* @property {module:math.XYObject} br - The bottom right coordinate\n* @property {PlainObject} aabox - Object with the following values:\n* @property {Float} aabox.x - Float with the axis-aligned x coordinate\n* @property {Float} aabox.y - Float with the axis-aligned y coordinate\n* @property {Float} aabox.width - Float with the axis-aligned width coordinate\n* @property {Float} aabox.height - Float with the axis-aligned height coordinate\n*/\n\n/**\n * Transforms a rectangle based on the given matrix\n * @function module:math.transformBox\n * @param {Float} l - Float with the box's left coordinate\n * @param {Float} t - Float with the box's top coordinate\n * @param {Float} w - Float with the box width\n * @param {Float} h - Float with the box height\n * @param {SVGMatrix} m - Matrix object to transform the box by\n * @returns {module:math.TransformedBox}\n*/\nexport const transformBox = function (l, t, w, h, m) {\n  const tl = transformPoint(l, t, m),\n    tr = transformPoint((l + w), t, m),\n    bl = transformPoint(l, (t + h), m),\n    br = transformPoint((l + w), (t + h), m),\n\n    minx = Math.min(tl.x, tr.x, bl.x, br.x),\n    maxx = Math.max(tl.x, tr.x, bl.x, br.x),\n    miny = Math.min(tl.y, tr.y, bl.y, br.y),\n    maxy = Math.max(tl.y, tr.y, bl.y, br.y);\n\n  return {\n    tl,\n    tr,\n    bl,\n    br,\n    aabox: {\n      x: minx,\n      y: miny,\n      width: (maxx - minx),\n      height: (maxy - miny)\n    }\n  };\n};\n\n/**\n * This returns a single matrix Transform for a given Transform List\n * (this is the equivalent of `SVGTransformList.consolidate()` but unlike\n * that method, this one does not modify the actual `SVGTransformList`).\n * This function is very liberal with its `min`, `max` arguments\n * @function module:math.transformListToTransform\n * @param {SVGTransformList} tlist - The transformlist object\n * @param {Integer} [min=0] - Optional integer indicating start transform position\n * @param {Integer} [max] - Optional integer indicating end transform position;\n *   defaults to one less than the tlist's `numberOfItems`\n * @returns {SVGTransform} A single matrix transform object\n*/\nexport const transformListToTransform = function (tlist, min, max) {\n  if (tlist == null) {\n    // Or should tlist = null have been prevented before this?\n    return svg.createSVGTransformFromMatrix(svg.createSVGMatrix());\n  }\n  min = min || 0;\n  max = max || (tlist.numberOfItems - 1);\n  min = parseInt(min, 10);\n  max = parseInt(max, 10);\n  if (min > max) { const temp = max; max = min; min = temp; }\n  let m = svg.createSVGMatrix();\n  for (let i = min; i <= max; ++i) {\n    // if our indices are out of range, just use a harmless identity matrix\n    const mtom = (i >= 0 && i < tlist.numberOfItems\n      ? tlist.getItem(i).matrix\n      : svg.createSVGMatrix());\n    m = matrixMultiply(m, mtom);\n  }\n  return svg.createSVGTransformFromMatrix(m);\n};\n\n/**\n * Get the matrix object for a given element\n * @function module:math.getMatrix\n * @param {Element} elem - The DOM element to check\n * @returns {SVGMatrix} The matrix object associated with the element's transformlist\n*/\nexport const getMatrix = function (elem) {\n  const tlist = getTransformList(elem);\n  return transformListToTransform(tlist).matrix;\n};\n\n/**\n * Returns a 45 degree angle coordinate associated with the two given\n * coordinates\n * @function module:math.snapToAngle\n * @param {Integer} x1 - First coordinate's x value\n * @param {Integer} x2 - Second coordinate's x value\n * @param {Integer} y1 - First coordinate's y value\n * @param {Integer} y2 - Second coordinate's y value\n * @returns {module:math.AngleCoord45}\n*/\nexport const snapToAngle = function (x1, y1, x2, y2) {\n  const snap = Math.PI / 4; // 45 degrees\n  const dx = x2 - x1;\n  const dy = y2 - y1;\n  const angle = Math.atan2(dy, dx);\n  const dist = Math.sqrt(dx * dx + dy * dy);\n  const snapangle = Math.round(angle / snap) * snap;\n\n  return {\n    x: x1 + dist * Math.cos(snapangle),\n    y: y1 + dist * Math.sin(snapangle),\n    a: snapangle\n  };\n};\n\n/**\n * Check if two rectangles (BBoxes objects) intersect each other\n * @function module:math.rectsIntersect\n * @param {SVGRect} r1 - The first BBox-like object\n * @param {SVGRect} r2 - The second BBox-like object\n * @returns {boolean} True if rectangles intersect\n */\nexport const rectsIntersect = function (r1, r2) {\n  return r2.x < (r1.x + r1.width) &&\n    (r2.x + r2.width) > r1.x &&\n    r2.y < (r1.y + r1.height) &&\n    (r2.y + r2.height) > r1.y;\n};\n","/* globals jQuery */\n/**\n * Path functionality\n * @module path\n * @license MIT\n *\n * @copyright 2011 Alexis Deveria, 2011 Jeff Schiller\n */\n\nimport './svgpathseg.js';\nimport {NS} from './namespaces.js';\nimport {getTransformList} from './svgtransformlist.js';\nimport {shortFloat} from './units.js';\nimport {ChangeElementCommand, BatchCommand} from './history.js';\nimport {\n  transformPoint, getMatrix, snapToAngle, rectsIntersect,\n  transformListToTransform\n} from './math.js';\nimport {\n  assignAttributes, getElem, getRotationAngle, getBBox,\n  getRefElem, findDefs, snapToGrid,\n  getBBox as utilsGetBBox\n} from './utilities.js';\nimport {\n  supportsPathInsertItemBefore, supportsPathReplaceItem, isWebkit\n} from './browser.js';\n\nconst $ = jQuery;\n\nconst segData = {\n  2: ['x', 'y'], // PATHSEG_MOVETO_ABS\n  4: ['x', 'y'], // PATHSEG_LINETO_ABS\n  6: ['x', 'y', 'x1', 'y1', 'x2', 'y2'], // PATHSEG_CURVETO_CUBIC_ABS\n  8: ['x', 'y', 'x1', 'y1'], // PATHSEG_CURVETO_QUADRATIC_ABS\n  10: ['x', 'y', 'r1', 'r2', 'angle', 'largeArcFlag', 'sweepFlag'], // PATHSEG_ARC_ABS\n  12: ['x'], // PATHSEG_LINETO_HORIZONTAL_ABS\n  14: ['y'], // PATHSEG_LINETO_VERTICAL_ABS\n  16: ['x', 'y', 'x2', 'y2'], // PATHSEG_CURVETO_CUBIC_SMOOTH_ABS\n  18: ['x', 'y'] // PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS\n};\n\n/**\n * @tutorial LocaleDocs\n * @typedef {module:locale.LocaleStrings|PlainObject} module:path.uiStrings\n * @property {PlainObject.<string, string>} ui\n*/\n\nconst uiStrings = {};\n/**\n* @function module:path.setUiStrings\n* @param {module:path.uiStrings} strs\n* @returns {undefined}\n*/\nexport const setUiStrings = function (strs) {\n  Object.assign(uiStrings, strs.ui);\n};\n\nlet pathFuncs = [];\n\nlet linkControlPts = true;\n\n// Stores references to paths via IDs.\n// TODO: Make this cross-document happy.\nlet pathData = {};\n\n/**\n* @function module:path.setLinkControlPoints\n* @param {boolean} lcp\n* @returns {undefined}\n*/\nexport const setLinkControlPoints = function (lcp) {\n  linkControlPts = lcp;\n};\n\n/**\n * @name module:path.path\n * @type {null|module:path.Path}\n * @memberof module:path\n*/\nexport let path = null;\n\nlet editorContext_ = null;\n\n/**\n* @external MouseEvent\n*/\n\n/**\n* Object with the following keys/values\n* @typedef {PlainObject} module:path.SVGElementJSON\n* @property {string} element - Tag name of the SVG element to create\n* @property {PlainObject.<string, string>} attr - Has key-value attributes to assign to the new element\n* @property {boolean} [curStyles=false] - Indicates whether current style attributes should be applied first\n* @property {module:path.SVGElementJSON[]} [children] - Data objects to be added recursively as children\n* @property {string} [namespace=\"http://www.w3.org/2000/svg\"] - Indicate a (non-SVG) namespace\n*/\n/**\n * @interface module:path.EditorContext\n * @property {module:select.SelectorManager} selectorManager\n * @property {module:svgcanvas.SvgCanvas} canvas\n */\n/**\n * @function module:path.EditorContext#call\n * @param {\"selected\"|\"changed\"} ev - String with the event name\n * @param {module:svgcanvas.SvgCanvas#event:selected|module:svgcanvas.SvgCanvas#event:changed} arg - Argument to pass through to the callback function. If the event is \"changed\", an array of `Element`s is passed; if \"selected\", a single-item array of `Element` is passed.\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#resetD\n * @param {SVGPathElement} p\n * @returns {undefined}\n*/\n/**\n * Note: This doesn't round to an integer necessarily\n * @function module:path.EditorContext#round\n * @param {Float} val\n * @returns {Float} Rounded value to nearest value based on `currentZoom`\n */\n/**\n * @function module:path.EditorContext#clearSelection\n * @param {boolean} [noCall] - When `true`, does not call the \"selected\" handler\n * @returns {undefined}\n*/\n/**\n * @function module:path.EditorContext#addToSelection\n * @param {Element[]} elemsToAdd - An array of DOM elements to add to the selection\n * @param {boolean} showGrips - Indicates whether the resize grips should be shown\n * @returns {undefined}\n*/\n/**\n * @function module:path.EditorContext#addCommandToHistory\n * @param {Command} cmd\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#remapElement\n * @param {Element} selected - DOM element to be changed\n * @param {PlainObject.<string, string>} changes - Object with changes to be remapped\n * @param {SVGMatrix} m - Matrix object to use for remapping coordinates\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#addSVGElementFromJson\n * @param {module:path.SVGElementJSON} data\n * @returns {Element} The new element\n*/\n/**\n * @function module:path.EditorContext#getGridSnapping\n * @returns {boolean}\n */\n/**\n * @function module:path.EditorContext#getOpacity\n * @returns {Float}\n */\n/**\n * @function module:path.EditorContext#getSelectedElements\n * @returns {Element[]} the array with selected DOM elements\n*/\n/**\n * @function module:path.EditorContext#getContainer\n * @returns {Element}\n */\n/**\n * @function module:path.EditorContext#setStarted\n * @param {boolean} s\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#getRubberBox\n * @returns {SVGRectElement}\n*/\n/**\n * @function module:path.EditorContext#setRubberBox\n * @param {SVGRectElement} rb\n * @returns {SVGRectElement} Same as parameter passed in\n */\n/**\n * @function module:path.EditorContext#addPtsToSelection\n * @param {PlainObject} cfg\n * @param {boolean} cfg.closedSubpath\n * @param {SVGCircleElement[]} cfg.grips\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#endChanges\n * @param {PlainObject} cfg\n * @param {string} cfg.cmd\n * @param {Element} cfg.elem\n * @returns {undefined}\n*/\n/**\n * @function module:path.EditorContext#getCurrentZoom\n * @returns {Float} The current zoom level\n */\n/**\n * Returns the last created DOM element ID string\n * @function module:path.EditorContext#getId\n * @returns {string}\n */\n/**\n * Creates and returns a unique ID string for a DOM element\n * @function module:path.EditorContext#getNextId\n * @returns {string}\n*/\n/**\n * Gets the desired element from a mouse event\n * @function module:path.EditorContext#getMouseTarget\n * @param {external:MouseEvent} evt - Event object from the mouse event\n * @returns {Element} DOM element we want\n */\n/**\n * @function module:path.EditorContext#getCurrentMode\n * @returns {string}\n */\n/**\n * @function module:path.EditorContext#setCurrentMode\n * @param {string} cm The mode\n * @returns {string} The same mode as passed in\n*/\n/**\n * @function module:path.EditorContext#getDrawnPath\n * @returns {SVGPathElement|null}\n */\n/**\n * @function module:path.EditorContext#setDrawnPath\n * @param {SVGPathElement|null} dp\n * @returns {SVGPathElement|null} The same value as passed in\n */\n/**\n * @function module:path.EditorContext#getSVGRoot\n * @returns {SVGSVGElement}\n*/\n\n/**\n* @function module:path.init\n* @param {module:path.EditorContext} editorContext\n* @returns {undefined}\n*/\nexport const init = function (editorContext) {\n  editorContext_ = editorContext;\n\n  pathFuncs = [0, 'ClosePath'];\n  const pathFuncsStrs = ['Moveto', 'Lineto', 'CurvetoCubic', 'CurvetoQuadratic', 'Arc',\n    'LinetoHorizontal', 'LinetoVertical', 'CurvetoCubicSmooth', 'CurvetoQuadraticSmooth'];\n  $.each(pathFuncsStrs, function (i, s) {\n    pathFuncs.push(s + 'Abs');\n    pathFuncs.push(s + 'Rel');\n  });\n};\n\n/**\n* @function module:path.insertItemBefore\n* @param {Element} elem\n* @param {Segment} newseg\n* @param {Integer} index\n* @returns {undefined}\n*/\nexport const insertItemBefore = function (elem, newseg, index) {\n  // Support insertItemBefore on paths for FF2\n  const list = elem.pathSegList;\n\n  if (supportsPathInsertItemBefore()) {\n    list.insertItemBefore(newseg, index);\n    return;\n  }\n  const len = list.numberOfItems;\n  const arr = [];\n  for (let i = 0; i < len; i++) {\n    const curSeg = list.getItem(i);\n    arr.push(curSeg);\n  }\n  list.clear();\n  for (let i = 0; i < len; i++) {\n    if (i === index) { // index + 1\n      list.appendItem(newseg);\n    }\n    list.appendItem(arr[i]);\n  }\n};\n\n/**\n* @function module:path.ptObjToArr\n* @todo See if this should just live in `replacePathSeg`\n* @param {string} type\n* @param {SVGPathSegMovetoAbs|SVGPathSegLinetoAbs|SVGPathSegCurvetoCubicAbs|SVGPathSegCurvetoQuadraticAbs|SVGPathSegArcAbs|SVGPathSegLinetoHorizontalAbs|SVGPathSegLinetoVerticalAbs|SVGPathSegCurvetoCubicSmoothAbs|SVGPathSegCurvetoQuadraticSmoothAbs} segItem\n* @returns {ArgumentsArray}\n*/\nexport const ptObjToArr = function (type, segItem) {\n  const props = segData[type];\n  return props.map((prop) => {\n    return segItem[prop];\n  });\n};\n\n/**\n* @function module:path.getGripPt\n* @param {Segment} seg\n* @param {module:math.XYObject} altPt\n* @returns {module:math.XYObject}\n*/\nexport const getGripPt = function (seg, altPt) {\n  const {path} = seg;\n  let out = {\n    x: altPt ? altPt.x : seg.item.x,\n    y: altPt ? altPt.y : seg.item.y\n  };\n\n  if (path.matrix) {\n    const pt = transformPoint(out.x, out.y, path.matrix);\n    out = pt;\n  }\n\n  const currentZoom = editorContext_.getCurrentZoom();\n  out.x *= currentZoom;\n  out.y *= currentZoom;\n\n  return out;\n};\n\n/**\n* @function module:path.getPointFromGrip\n* @param {module:math.XYObject} pt\n* @param {module:path.Path} path\n* @returns {module:math.XYObject}\n*/\nexport const getPointFromGrip = function (pt, path) {\n  const out = {\n    x: pt.x,\n    y: pt.y\n  };\n\n  if (path.matrix) {\n    pt = transformPoint(out.x, out.y, path.imatrix);\n    out.x = pt.x;\n    out.y = pt.y;\n  }\n\n  const currentZoom = editorContext_.getCurrentZoom();\n  out.x /= currentZoom;\n  out.y /= currentZoom;\n\n  return out;\n};\n\n/**\n* Requires prior call to `setUiStrings` if `xlink:title`\n*    to be set on the grip\n* @function module:path.addPointGrip\n* @param {Integer} index\n* @param {Integer} x\n* @param {Integer} y\n* @returns {SVGCircleElement}\n*/\nexport const addPointGrip = function (index, x, y) {\n  // create the container of all the point grips\n  const pointGripContainer = getGripContainer();\n\n  let pointGrip = getElem('pathpointgrip_' + index);\n  // create it\n  if (!pointGrip) {\n    pointGrip = document.createElementNS(NS.SVG, 'circle');\n    const atts = {\n      id: 'pathpointgrip_' + index,\n      display: 'none',\n      r: 4,\n      fill: '#0FF',\n      stroke: '#00F',\n      'stroke-width': 2,\n      cursor: 'move',\n      style: 'pointer-events:all'\n    };\n    if ('pathNodeTooltip' in uiStrings) { // May be empty if running path.js without svg-editor\n      atts['xlink:title'] = uiStrings.pathNodeTooltip;\n    }\n    assignAttributes(pointGrip, atts);\n    pointGrip = pointGripContainer.appendChild(pointGrip);\n\n    const grip = $('#pathpointgrip_' + index);\n    grip.dblclick(function () {\n      if (path) {\n        path.setSegType();\n      }\n    });\n  }\n  if (x && y) {\n    // set up the point grip element and display it\n    assignAttributes(pointGrip, {\n      cx: x,\n      cy: y,\n      display: 'inline'\n    });\n  }\n  return pointGrip;\n};\n\n/**\n* @function module:path.getGripContainer\n* @returns {Element}\n*/\nexport const getGripContainer = function () {\n  let c = getElem('pathpointgrip_container');\n  if (!c) {\n    const parent = getElem('selectorParentGroup');\n    c = parent.appendChild(document.createElementNS(NS.SVG, 'g'));\n    c.id = 'pathpointgrip_container';\n  }\n  return c;\n};\n\n/**\n* Requires prior call to `setUiStrings` if `xlink:title`\n*    to be set on the grip\n* @function module:path.addCtrlGrip\n* @param {string} id\n* @returns {SVGCircleElement}\n*/\nexport const addCtrlGrip = function (id) {\n  let pointGrip = getElem('ctrlpointgrip_' + id);\n  if (pointGrip) { return pointGrip; }\n\n  pointGrip = document.createElementNS(NS.SVG, 'circle');\n  const atts = {\n    id: 'ctrlpointgrip_' + id,\n    display: 'none',\n    r: 4,\n    fill: '#0FF',\n    stroke: '#55F',\n    'stroke-width': 1,\n    cursor: 'move',\n    style: 'pointer-events:all'\n  };\n  if ('pathCtrlPtTooltip' in uiStrings) { // May be empty if running path.js without svg-editor\n    atts['xlink:title'] = uiStrings.pathCtrlPtTooltip;\n  }\n  assignAttributes(pointGrip, atts);\n  getGripContainer().append(pointGrip);\n  return pointGrip;\n};\n\n/**\n* @function module:path.getCtrlLine\n* @param {string} id\n* @returns {SVGLineElement}\n*/\nexport const getCtrlLine = function (id) {\n  let ctrlLine = getElem('ctrlLine_' + id);\n  if (ctrlLine) { return ctrlLine; }\n\n  ctrlLine = document.createElementNS(NS.SVG, 'line');\n  assignAttributes(ctrlLine, {\n    id: 'ctrlLine_' + id,\n    stroke: '#555',\n    'stroke-width': 1,\n    style: 'pointer-events:none'\n  });\n  getGripContainer().append(ctrlLine);\n  return ctrlLine;\n};\n\n/**\n* @function module:path.getPointGrip\n* @param {Segment} seg\n* @param {boolean} update\n* @returns {SVGCircleElement}\n*/\nexport const getPointGrip = function (seg, update) {\n  const {index} = seg;\n  const pointGrip = addPointGrip(index);\n\n  if (update) {\n    const pt = getGripPt(seg);\n    assignAttributes(pointGrip, {\n      cx: pt.x,\n      cy: pt.y,\n      display: 'inline'\n    });\n  }\n\n  return pointGrip;\n};\n\n/**\n* @function module:path.getControlPoints\n* @param {Segment} seg\n* @returns {PlainObject.<string, SVGLineElement|SVGCircleElement>}\n*/\nexport const getControlPoints = function (seg) {\n  const {item, index} = seg;\n  if (!('x1' in item) || !('x2' in item)) { return null; }\n  const cpt = {};\n  /* const pointGripContainer = */ getGripContainer();\n\n  // Note that this is intentionally not seg.prev.item\n  const prev = path.segs[index - 1].item;\n\n  const segItems = [prev, item];\n\n  for (let i = 1; i < 3; i++) {\n    const id = index + 'c' + i;\n\n    const ctrlLine = cpt['c' + i + '_line'] = getCtrlLine(id);\n\n    const pt = getGripPt(seg, {x: item['x' + i], y: item['y' + i]});\n    const gpt = getGripPt(seg, {x: segItems[i - 1].x, y: segItems[i - 1].y});\n\n    assignAttributes(ctrlLine, {\n      x1: pt.x,\n      y1: pt.y,\n      x2: gpt.x,\n      y2: gpt.y,\n      display: 'inline'\n    });\n\n    cpt['c' + i + '_line'] = ctrlLine;\n\n    // create it\n    const pointGrip = cpt['c' + i] = addCtrlGrip(id);\n\n    assignAttributes(pointGrip, {\n      cx: pt.x,\n      cy: pt.y,\n      display: 'inline'\n    });\n    cpt['c' + i] = pointGrip;\n  }\n  return cpt;\n};\n\n/**\n* This replaces the segment at the given index. Type is given as number.\n* @function module:path.replacePathSeg\n* @param {Integer} type Possible values set during {@link module:path.init}\n* @param {Integer} index\n* @param {ArgumentsArray} pts\n* @param {SVGPathElement} elem\n*/\nexport const replacePathSeg = function (type, index, pts, elem) {\n  const pth = elem || path.elem;\n\n  const func = 'createSVGPathSeg' + pathFuncs[type];\n  const seg = pth[func].apply(pth, pts);\n\n  if (supportsPathReplaceItem()) {\n    pth.pathSegList.replaceItem(seg, index);\n  } else {\n    const segList = pth.pathSegList;\n    const len = segList.numberOfItems;\n    const arr = [];\n    for (let i = 0; i < len; i++) {\n      const curSeg = segList.getItem(i);\n      arr.push(curSeg);\n    }\n    segList.clear();\n    for (let i = 0; i < len; i++) {\n      if (i === index) {\n        segList.appendItem(seg);\n      } else {\n        segList.appendItem(arr[i]);\n      }\n    }\n  }\n};\n\n/**\n* @function module:path.getSegSelector\n* @param {Segment} seg\n* @param {boolean} update\n* @returns {SVGPathElement}\n*/\nexport const getSegSelector = function (seg, update) {\n  const {index} = seg;\n  let segLine = getElem('segline_' + index);\n  if (!segLine) {\n    const pointGripContainer = getGripContainer();\n    // create segline\n    segLine = document.createElementNS(NS.SVG, 'path');\n    assignAttributes(segLine, {\n      id: 'segline_' + index,\n      display: 'none',\n      fill: 'none',\n      stroke: '#0FF',\n      'stroke-width': 2,\n      style: 'pointer-events:none',\n      d: 'M0,0 0,0'\n    });\n    pointGripContainer.append(segLine);\n  }\n\n  if (update) {\n    const {prev} = seg;\n    if (!prev) {\n      segLine.setAttribute('display', 'none');\n      return segLine;\n    }\n\n    const pt = getGripPt(prev);\n    // Set start point\n    replacePathSeg(2, 0, [pt.x, pt.y], segLine);\n\n    const pts = ptObjToArr(seg.type, seg.item); // , true);\n    for (let i = 0; i < pts.length; i += 2) {\n      const pt = getGripPt(seg, {x: pts[i], y: pts[i + 1]});\n      pts[i] = pt.x;\n      pts[i + 1] = pt.y;\n    }\n\n    replacePathSeg(seg.type, 1, pts, segLine);\n  }\n  return segLine;\n};\n\n/**\n * @typedef {PlainObject} Point\n * @property {Integer} x The x value\n * @property {Integer} y The y value\n */\n\n/**\n* Takes three points and creates a smoother line based on them\n* @function module:path.smoothControlPoints\n* @param {Point} ct1 - Object with x and y values (first control point)\n* @param {Point} ct2 - Object with x and y values (second control point)\n* @param {Point} pt - Object with x and y values (third point)\n* @returns {Point[]} Array of two \"smoothed\" point objects\n*/\nexport const smoothControlPoints = function (ct1, ct2, pt) {\n  // each point must not be the origin\n  const x1 = ct1.x - pt.x,\n    y1 = ct1.y - pt.y,\n    x2 = ct2.x - pt.x,\n    y2 = ct2.y - pt.y;\n\n  if ((x1 !== 0 || y1 !== 0) && (x2 !== 0 || y2 !== 0)) {\n    const\n      r1 = Math.sqrt(x1 * x1 + y1 * y1),\n      r2 = Math.sqrt(x2 * x2 + y2 * y2),\n      nct1 = editorContext_.getSVGRoot().createSVGPoint(),\n      nct2 = editorContext_.getSVGRoot().createSVGPoint();\n    let anglea = Math.atan2(y1, x1),\n      angleb = Math.atan2(y2, x2);\n    if (anglea < 0) { anglea += 2 * Math.PI; }\n    if (angleb < 0) { angleb += 2 * Math.PI; }\n\n    const angleBetween = Math.abs(anglea - angleb),\n      angleDiff = Math.abs(Math.PI - angleBetween) / 2;\n\n    let newAnglea, newAngleb;\n    if (anglea - angleb > 0) {\n      newAnglea = angleBetween < Math.PI ? (anglea + angleDiff) : (anglea - angleDiff);\n      newAngleb = angleBetween < Math.PI ? (angleb - angleDiff) : (angleb + angleDiff);\n    } else {\n      newAnglea = angleBetween < Math.PI ? (anglea - angleDiff) : (anglea + angleDiff);\n      newAngleb = angleBetween < Math.PI ? (angleb + angleDiff) : (angleb - angleDiff);\n    }\n\n    // rotate the points\n    nct1.x = r1 * Math.cos(newAnglea) + pt.x;\n    nct1.y = r1 * Math.sin(newAnglea) + pt.y;\n    nct2.x = r2 * Math.cos(newAngleb) + pt.x;\n    nct2.y = r2 * Math.sin(newAngleb) + pt.y;\n\n    return [nct1, nct2];\n  }\n  return undefined;\n};\n\n/**\n*\n*/\nexport class Segment {\n  /**\n  * @param {Integer} index\n  * @param {SVGPathSeg} item\n  * @todo Is `item` be more constrained here?\n  */\n  constructor (index, item) {\n    this.selected = false;\n    this.index = index;\n    this.item = item;\n    this.type = item.pathSegType;\n\n    this.ctrlpts = [];\n    this.ptgrip = null;\n    this.segsel = null;\n  }\n\n  /**\n   * @param {boolean} y\n   * @returns {undefined}\n   */\n  showCtrlPts (y) {\n    for (const i in this.ctrlpts) {\n      if (this.ctrlpts.hasOwnProperty(i)) {\n        this.ctrlpts[i].setAttribute('display', y ? 'inline' : 'none');\n      }\n    }\n  }\n\n  /**\n   * @param {boolean} y\n   * @returns {undefined}\n   */\n  selectCtrls (y) {\n    $('#ctrlpointgrip_' + this.index + 'c1, #ctrlpointgrip_' + this.index + 'c2')\n      .attr('fill', y ? '#0FF' : '#EEE');\n  }\n\n  /**\n   * @param {boolean} y\n   * @returns {undefined}\n   */\n  show (y) {\n    if (this.ptgrip) {\n      this.ptgrip.setAttribute('display', y ? 'inline' : 'none');\n      this.segsel.setAttribute('display', y ? 'inline' : 'none');\n      // Show/hide all control points if available\n      this.showCtrlPts(y);\n    }\n  }\n\n  /**\n   * @param {boolean} y\n   * @returns {undefined}\n   */\n  select (y) {\n    if (this.ptgrip) {\n      this.ptgrip.setAttribute('stroke', y ? '#0FF' : '#00F');\n      this.segsel.setAttribute('display', y ? 'inline' : 'none');\n      if (this.ctrlpts) {\n        this.selectCtrls(y);\n      }\n      this.selected = y;\n    }\n  }\n\n  /**\n   * @returns {undefined}\n   */\n  addGrip () {\n    this.ptgrip = getPointGrip(this, true);\n    this.ctrlpts = getControlPoints(this); // , true);\n    this.segsel = getSegSelector(this, true);\n  }\n\n  /**\n   * @param {boolean} full\n   * @returns {undefined}\n   */\n  update (full) {\n    if (this.ptgrip) {\n      const pt = getGripPt(this);\n      assignAttributes(this.ptgrip, {\n        cx: pt.x,\n        cy: pt.y\n      });\n\n      getSegSelector(this, true);\n\n      if (this.ctrlpts) {\n        if (full) {\n          this.item = path.elem.pathSegList.getItem(this.index);\n          this.type = this.item.pathSegType;\n        }\n        getControlPoints(this);\n      }\n      // this.segsel.setAttribute('display', y ? 'inline' : 'none');\n    }\n  }\n\n  /**\n   * @param {Integer} dx\n   * @param {Integer} dy\n   * @returns {undefined}\n   */\n  move (dx, dy) {\n    const {item} = this;\n\n    const curPts = this.ctrlpts\n      ? [item.x += dx, item.y += dy,\n        item.x1, item.y1, item.x2 += dx, item.y2 += dy\n      ]\n      : [item.x += dx, item.y += dy];\n\n    replacePathSeg(this.type, this.index, curPts);\n\n    if (this.next && this.next.ctrlpts) {\n      const next = this.next.item;\n      const nextPts = [next.x, next.y,\n        next.x1 += dx, next.y1 += dy, next.x2, next.y2];\n      replacePathSeg(this.next.type, this.next.index, nextPts);\n    }\n\n    if (this.mate) {\n      // The last point of a closed subpath has a 'mate',\n      // which is the 'M' segment of the subpath\n      const {item} = this.mate;\n      const pts = [item.x += dx, item.y += dy];\n      replacePathSeg(this.mate.type, this.mate.index, pts);\n      // Has no grip, so does not need 'updating'?\n    }\n\n    this.update(true);\n    if (this.next) { this.next.update(true); }\n  }\n\n  /**\n   * @param {Integer} num\n   * @returns {undefined}\n   */\n  setLinked (num) {\n    let seg, anum, pt;\n    if (num === 2) {\n      anum = 1;\n      seg = this.next;\n      if (!seg) { return; }\n      pt = this.item;\n    } else {\n      anum = 2;\n      seg = this.prev;\n      if (!seg) { return; }\n      pt = seg.item;\n    }\n\n    const {item} = seg;\n    item['x' + anum] = pt.x + (pt.x - this.item['x' + num]);\n    item['y' + anum] = pt.y + (pt.y - this.item['y' + num]);\n\n    const pts = [item.x, item.y,\n      item.x1, item.y1,\n      item.x2, item.y2];\n\n    replacePathSeg(seg.type, seg.index, pts);\n    seg.update(true);\n  }\n\n  /**\n   * @param {Integer} num\n   * @param {Integer} dx\n   * @param {Integer} dy\n   * @returns {undefined}\n   */\n  moveCtrl (num, dx, dy) {\n    const {item} = this;\n    item['x' + num] += dx;\n    item['y' + num] += dy;\n\n    const pts = [item.x, item.y,\n      item.x1, item.y1, item.x2, item.y2];\n\n    replacePathSeg(this.type, this.index, pts);\n    this.update(true);\n  }\n\n  /**\n   * @param {Integer} newType Possible values set during {@link module:path.init}\n   * @param {ArgumentsArray} pts\n   */\n  setType (newType, pts) {\n    replacePathSeg(newType, this.index, pts);\n    this.type = newType;\n    this.item = path.elem.pathSegList.getItem(this.index);\n    this.showCtrlPts(newType === 6);\n    this.ctrlpts = getControlPoints(this);\n    this.update(true);\n  }\n}\n\n/**\n*\n*/\nexport class Path {\n  /**\n  * @param {SVGPathElement}\n  * @throws {Error} If constructed without a path element\n  */\n  constructor (elem) {\n    if (!elem || elem.tagName !== 'path') {\n      throw new Error('svgedit.path.Path constructed without a <path> element');\n    }\n\n    this.elem = elem;\n    this.segs = [];\n    this.selected_pts = [];\n    path = this;\n\n    this.init();\n  }\n\n  /**\n  * Reset path data\n  * @returns {module:path.Path}\n  */\n  init () {\n    // Hide all grips, etc\n\n    // fixed, needed to work on all found elements, not just first\n    $(getGripContainer()).find('*').each(function () {\n      $(this).attr('display', 'none');\n    });\n\n    const segList = this.elem.pathSegList;\n    const len = segList.numberOfItems;\n    this.segs = [];\n    this.selected_pts = [];\n    this.first_seg = null;\n\n    // Set up segs array\n    for (let i = 0; i < len; i++) {\n      const item = segList.getItem(i);\n      const segment = new Segment(i, item);\n      segment.path = this;\n      this.segs.push(segment);\n    }\n\n    const {segs} = this;\n\n    let startI = null;\n    for (let i = 0; i < len; i++) {\n      const seg = segs[i];\n      const nextSeg = (i + 1) >= len ? null : segs[i + 1];\n      const prevSeg = (i - 1) < 0 ? null : segs[i - 1];\n      if (seg.type === 2) {\n        if (prevSeg && prevSeg.type !== 1) {\n          // New sub-path, last one is open,\n          // so add a grip to last sub-path's first point\n          const startSeg = segs[startI];\n          startSeg.next = segs[startI + 1];\n          startSeg.next.prev = startSeg;\n          startSeg.addGrip();\n        }\n        // Remember that this is a starter seg\n        startI = i;\n      } else if (nextSeg && nextSeg.type === 1) {\n        // This is the last real segment of a closed sub-path\n        // Next is first seg after \"M\"\n        seg.next = segs[startI + 1];\n\n        // First seg after \"M\"'s prev is this\n        seg.next.prev = seg;\n        seg.mate = segs[startI];\n        seg.addGrip();\n        if (this.first_seg == null) {\n          this.first_seg = seg;\n        }\n      } else if (!nextSeg) {\n        if (seg.type !== 1) {\n          // Last seg, doesn't close so add a grip\n          // to last sub-path's first point\n          const startSeg = segs[startI];\n          startSeg.next = segs[startI + 1];\n          startSeg.next.prev = startSeg;\n          startSeg.addGrip();\n          seg.addGrip();\n\n          if (!this.first_seg) {\n            // Open path, so set first as real first and add grip\n            this.first_seg = segs[startI];\n          }\n        }\n      } else if (seg.type !== 1) {\n        // Regular segment, so add grip and its \"next\"\n        seg.addGrip();\n\n        // Don't set its \"next\" if it's an \"M\"\n        if (nextSeg && nextSeg.type !== 2) {\n          seg.next = nextSeg;\n          seg.next.prev = seg;\n        }\n      }\n    }\n    return this;\n  }\n\n  /**\n  * @callback module:path.PathEachSegCallback\n  * @this module:path.Segment\n  * @param {Integer} i The index of the seg being iterated\n  * @returns {boolean} Will stop execution of `eachSeg` if returns `false`\n  */\n  /**\n  * @param {module:path.PathEachSegCallback} fn\n  * @returns {undefined}\n  */\n  eachSeg (fn) {\n    const len = this.segs.length;\n    for (let i = 0; i < len; i++) {\n      const ret = fn.call(this.segs[i], i);\n      if (ret === false) { break; }\n    }\n  }\n\n  /**\n  * @param {Integer} index\n  * @returns {undefined}\n  */\n  addSeg (index) {\n    // Adds a new segment\n    const seg = this.segs[index];\n    if (!seg.prev) { return; }\n\n    const {prev} = seg;\n    let newseg, newX, newY;\n    switch (seg.item.pathSegType) {\n    case 4: {\n      newX = (seg.item.x + prev.item.x) / 2;\n      newY = (seg.item.y + prev.item.y) / 2;\n      newseg = this.elem.createSVGPathSegLinetoAbs(newX, newY);\n      break;\n    } case 6: { // make it a curved segment to preserve the shape (WRS)\n      // https://en.wikipedia.org/wiki/De_Casteljau%27s_algorithm#Geometric_interpretation\n      const p0x = (prev.item.x + seg.item.x1) / 2;\n      const p1x = (seg.item.x1 + seg.item.x2) / 2;\n      const p2x = (seg.item.x2 + seg.item.x) / 2;\n      const p01x = (p0x + p1x) / 2;\n      const p12x = (p1x + p2x) / 2;\n      newX = (p01x + p12x) / 2;\n      const p0y = (prev.item.y + seg.item.y1) / 2;\n      const p1y = (seg.item.y1 + seg.item.y2) / 2;\n      const p2y = (seg.item.y2 + seg.item.y) / 2;\n      const p01y = (p0y + p1y) / 2;\n      const p12y = (p1y + p2y) / 2;\n      newY = (p01y + p12y) / 2;\n      newseg = this.elem.createSVGPathSegCurvetoCubicAbs(newX, newY, p0x, p0y, p01x, p01y);\n      const pts = [seg.item.x, seg.item.y, p12x, p12y, p2x, p2y];\n      replacePathSeg(seg.type, index, pts);\n      break;\n    }\n    }\n\n    insertItemBefore(this.elem, newseg, index);\n  }\n\n  /**\n  * @param {Integer} index\n  * @returns {undefined}\n  */\n  deleteSeg (index) {\n    const seg = this.segs[index];\n    const list = this.elem.pathSegList;\n\n    seg.show(false);\n    const {next} = seg;\n    if (seg.mate) {\n      // Make the next point be the \"M\" point\n      const pt = [next.item.x, next.item.y];\n      replacePathSeg(2, next.index, pt);\n\n      // Reposition last node\n      replacePathSeg(4, seg.index, pt);\n\n      list.removeItem(seg.mate.index);\n    } else if (!seg.prev) {\n      // First node of open path, make next point the M\n      // const {item} = seg;\n      const pt = [next.item.x, next.item.y];\n      replacePathSeg(2, seg.next.index, pt);\n      list.removeItem(index);\n    } else {\n      list.removeItem(index);\n    }\n  }\n\n  /**\n  * @param {Integer} index\n  * @returns {boolean}\n  */\n  subpathIsClosed (index) {\n    let closed = false;\n    // Check if subpath is already open\n    path.eachSeg(function (i) {\n      if (i <= index) { return true; }\n      if (this.type === 2) {\n        // Found M first, so open\n        return false;\n      }\n      if (this.type === 1) {\n        // Found Z first, so closed\n        closed = true;\n        return false;\n      }\n    });\n\n    return closed;\n  }\n\n  /**\n  * @param {Integer} index\n  * @returns {undefined}\n  */\n  removePtFromSelection (index) {\n    const pos = this.selected_pts.indexOf(index);\n    if (pos === -1) {\n      return;\n    }\n    this.segs[index].select(false);\n    this.selected_pts.splice(pos, 1);\n  }\n\n  /**\n  * @returns {undefined}\n  */\n  clearSelection () {\n    this.eachSeg(function () {\n      // 'this' is the segment here\n      this.select(false);\n    });\n    this.selected_pts = [];\n  }\n\n  /**\n  * @returns {undefined}\n  */\n  storeD () {\n    this.last_d = this.elem.getAttribute('d');\n  }\n\n  /**\n  * @param {Integer} y\n  * @returns {undefined}\n  */\n  show (y) {\n    // Shows this path's segment grips\n    this.eachSeg(function () {\n      // 'this' is the segment here\n      this.show(y);\n    });\n    if (y) {\n      this.selectPt(this.first_seg.index);\n    }\n    return this;\n  }\n\n  /**\n  * Move selected points\n  * @param {Integer} dx\n  * @param {Integer} dy\n  * @returns {undefined}\n  */\n  movePts (dx, dy) {\n    let i = this.selected_pts.length;\n    while (i--) {\n      const seg = this.segs[this.selected_pts[i]];\n      seg.move(dx, dy);\n    }\n  }\n\n  /**\n  * @param {Integer} dx\n  * @param {Integer} dy\n  * @returns {undefined}\n  */\n  moveCtrl (dx, dy) {\n    const seg = this.segs[this.selected_pts[0]];\n    seg.moveCtrl(this.dragctrl, dx, dy);\n    if (linkControlPts) {\n      seg.setLinked(this.dragctrl);\n    }\n  }\n\n  /**\n  * @param {?Integer} newType See {@link https://www.w3.org/TR/SVG/single-page.html#paths-InterfaceSVGPathSeg}\n  * @returns {undefined}\n  */\n  setSegType (newType) {\n    this.storeD();\n    let i = this.selected_pts.length;\n    let text;\n    while (i--) {\n      const selPt = this.selected_pts[i];\n\n      // Selected seg\n      const cur = this.segs[selPt];\n      const {prev} = cur;\n      if (!prev) { continue; }\n\n      if (!newType) { // double-click, so just toggle\n        text = 'Toggle Path Segment Type';\n\n        // Toggle segment to curve/straight line\n        const oldType = cur.type;\n\n        newType = (oldType === 6) ? 4 : 6;\n      }\n\n      newType = Number(newType);\n\n      const curX = cur.item.x;\n      const curY = cur.item.y;\n      const prevX = prev.item.x;\n      const prevY = prev.item.y;\n      let points;\n      switch (newType) {\n      case 6: {\n        if (cur.olditem) {\n          const old = cur.olditem;\n          points = [curX, curY, old.x1, old.y1, old.x2, old.y2];\n        } else {\n          const diffX = curX - prevX;\n          const diffY = curY - prevY;\n          // get control points from straight line segment\n          /*\n          const ct1x = (prevX + (diffY/2));\n          const ct1y = (prevY - (diffX/2));\n          const ct2x = (curX + (diffY/2));\n          const ct2y = (curY - (diffX/2));\n          */\n          // create control points on the line to preserve the shape (WRS)\n          const ct1x = (prevX + (diffX / 3));\n          const ct1y = (prevY + (diffY / 3));\n          const ct2x = (curX - (diffX / 3));\n          const ct2y = (curY - (diffY / 3));\n          points = [curX, curY, ct1x, ct1y, ct2x, ct2y];\n        }\n        break;\n      } case 4: {\n        points = [curX, curY];\n\n        // Store original prevve segment nums\n        cur.olditem = cur.item;\n        break;\n      }\n      }\n\n      cur.setType(newType, points);\n    }\n    path.endChanges(text);\n  }\n\n  /**\n  * @param {Integer} pt\n  * @param {Integer} ctrlNum\n  * @returns {undefined}\n  */\n  selectPt (pt, ctrlNum) {\n    this.clearSelection();\n    if (pt == null) {\n      this.eachSeg(function (i) {\n        // 'this' is the segment here.\n        if (this.prev) {\n          pt = i;\n        }\n      });\n    }\n    this.addPtsToSelection(pt);\n    if (ctrlNum) {\n      this.dragctrl = ctrlNum;\n\n      if (linkControlPts) {\n        this.segs[pt].setLinked(ctrlNum);\n      }\n    }\n  }\n\n  /**\n  * Update position of all points\n  * @returns {Path}\n  */\n  update () {\n    const {elem} = this;\n    if (getRotationAngle(elem)) {\n      this.matrix = getMatrix(elem);\n      this.imatrix = this.matrix.inverse();\n    } else {\n      this.matrix = null;\n      this.imatrix = null;\n    }\n\n    this.eachSeg(function (i) {\n      this.item = elem.pathSegList.getItem(i);\n      this.update();\n    });\n\n    return this;\n  }\n\n  /**\n  * @param {string} text\n  * @returns {undefined}\n  */\n  endChanges (text) {\n    if (isWebkit()) { editorContext_.resetD(this.elem); }\n    const cmd = new ChangeElementCommand(this.elem, {d: this.last_d}, text);\n    editorContext_.endChanges({cmd, elem: this.elem});\n  }\n\n  /**\n  * @param {Integer|Integer[]} indexes\n  * @returns {undefined}\n  */\n  addPtsToSelection (indexes) {\n    if (!Array.isArray(indexes)) { indexes = [indexes]; }\n    for (let i = 0; i < indexes.length; i++) {\n      const index = indexes[i];\n      const seg = this.segs[index];\n      if (seg.ptgrip) {\n        if (!this.selected_pts.includes(index) && index >= 0) {\n          this.selected_pts.push(index);\n        }\n      }\n    }\n    this.selected_pts.sort();\n    let i = this.selected_pts.length;\n    const grips = [];\n    grips.length = i;\n    // Loop through points to be selected and highlight each\n    while (i--) {\n      const pt = this.selected_pts[i];\n      const seg = this.segs[pt];\n      seg.select(true);\n      grips[i] = seg.ptgrip;\n    }\n\n    const closedSubpath = this.subpathIsClosed(this.selected_pts[0]);\n    editorContext_.addPtsToSelection({grips, closedSubpath});\n  }\n}\n\n/**\n* @function module:path.getPath_\n* @param {SVGPathElement} elem\n* @returns {module:path.Path}\n*/\nexport const getPath_ = function (elem) {\n  let p = pathData[elem.id];\n  if (!p) {\n    p = pathData[elem.id] = new Path(elem);\n  }\n  return p;\n};\n\n/**\n* @function module:path.removePath_\n* @param {string} id\n* @returns {undefined}\n*/\nexport const removePath_ = function (id) {\n  if (id in pathData) { delete pathData[id]; }\n};\n\nlet newcx, newcy, oldcx, oldcy, angle;\n\nconst getRotVals = function (x, y) {\n  let dx = x - oldcx;\n  let dy = y - oldcy;\n\n  // rotate the point around the old center\n  let r = Math.sqrt(dx * dx + dy * dy);\n  let theta = Math.atan2(dy, dx) + angle;\n  dx = r * Math.cos(theta) + oldcx;\n  dy = r * Math.sin(theta) + oldcy;\n\n  // dx,dy should now hold the actual coordinates of each\n  // point after being rotated\n\n  // now we want to rotate them around the new center in the reverse direction\n  dx -= newcx;\n  dy -= newcy;\n\n  r = Math.sqrt(dx * dx + dy * dy);\n  theta = Math.atan2(dy, dx) - angle;\n\n  return {x: r * Math.cos(theta) + newcx,\n    y: r * Math.sin(theta) + newcy};\n};\n\n// If the path was rotated, we must now pay the piper:\n// Every path point must be rotated into the rotated coordinate system of\n// its old center, then determine the new center, then rotate it back\n// This is because we want the path to remember its rotation\n\n/**\n* @function module:path.recalcRotatedPath\n* @todo This is still using ye olde transform methods, can probably\n* be optimized or even taken care of by `recalculateDimensions`\n* @returns {undefined}\n*/\nexport const recalcRotatedPath = function () {\n  const currentPath = path.elem;\n  angle = getRotationAngle(currentPath, true);\n  if (!angle) { return; }\n  // selectedBBoxes[0] = path.oldbbox;\n  const oldbox = path.oldbbox; // selectedBBoxes[0],\n  oldcx = oldbox.x + oldbox.width / 2;\n  oldcy = oldbox.y + oldbox.height / 2;\n  const box = getBBox(currentPath);\n  newcx = box.x + box.width / 2;\n  newcy = box.y + box.height / 2;\n\n  // un-rotate the new center to the proper position\n  const dx = newcx - oldcx,\n    dy = newcy - oldcy,\n    r = Math.sqrt(dx * dx + dy * dy),\n    theta = Math.atan2(dy, dx) + angle;\n\n  newcx = r * Math.cos(theta) + oldcx;\n  newcy = r * Math.sin(theta) + oldcy;\n\n  const list = currentPath.pathSegList;\n\n  let i = list.numberOfItems;\n  while (i) {\n    i -= 1;\n    const seg = list.getItem(i),\n      type = seg.pathSegType;\n    if (type === 1) { continue; }\n\n    const rvals = getRotVals(seg.x, seg.y),\n      points = [rvals.x, rvals.y];\n    if (seg.x1 != null && seg.x2 != null) {\n      const cVals1 = getRotVals(seg.x1, seg.y1);\n      const cVals2 = getRotVals(seg.x2, seg.y2);\n      points.splice(points.length, 0, cVals1.x, cVals1.y, cVals2.x, cVals2.y);\n    }\n    replacePathSeg(type, i, points);\n  } // loop for each point\n\n  /* box = */ getBBox(currentPath);\n  // selectedBBoxes[0].x = box.x; selectedBBoxes[0].y = box.y;\n  // selectedBBoxes[0].width = box.width; selectedBBoxes[0].height = box.height;\n\n  // now we must set the new transform to be rotated around the new center\n  const Rnc = editorContext_.getSVGRoot().createSVGTransform(),\n    tlist = getTransformList(currentPath);\n  Rnc.setRotate((angle * 180.0 / Math.PI), newcx, newcy);\n  tlist.replaceItem(Rnc, 0);\n};\n\n// ====================================\n// Public API starts here\n\n/**\n* @function module:path.clearData\n* @returns {undefined}\n*/\nexport const clearData = function () {\n  pathData = {};\n};\n\n// Making public for mocking\n/**\n* @function module:path.reorientGrads\n* @param {Element} elem\n* @param {SVGMatrix} m\n* @returns {undefined}\n*/\nexport const reorientGrads = function (elem, m) {\n  const bb = utilsGetBBox(elem);\n  for (let i = 0; i < 2; i++) {\n    const type = i === 0 ? 'fill' : 'stroke';\n    const attrVal = elem.getAttribute(type);\n    if (attrVal && attrVal.startsWith('url(')) {\n      const grad = getRefElem(attrVal);\n      if (grad.tagName === 'linearGradient') {\n        let x1 = grad.getAttribute('x1') || 0;\n        let y1 = grad.getAttribute('y1') || 0;\n        let x2 = grad.getAttribute('x2') || 1;\n        let y2 = grad.getAttribute('y2') || 0;\n\n        // Convert to USOU points\n        x1 = (bb.width * x1) + bb.x;\n        y1 = (bb.height * y1) + bb.y;\n        x2 = (bb.width * x2) + bb.x;\n        y2 = (bb.height * y2) + bb.y;\n\n        // Transform those points\n        const pt1 = transformPoint(x1, y1, m);\n        const pt2 = transformPoint(x2, y2, m);\n\n        // Convert back to BB points\n        const gCoords = {};\n\n        gCoords.x1 = (pt1.x - bb.x) / bb.width;\n        gCoords.y1 = (pt1.y - bb.y) / bb.height;\n        gCoords.x2 = (pt2.x - bb.x) / bb.width;\n        gCoords.y2 = (pt2.y - bb.y) / bb.height;\n\n        const newgrad = grad.cloneNode(true);\n        $(newgrad).attr(gCoords);\n\n        newgrad.id = editorContext_.getNextId();\n        findDefs().append(newgrad);\n        elem.setAttribute(type, 'url(#' + newgrad.id + ')');\n      }\n    }\n  }\n};\n\n/**\n* This is how we map paths to our preferred relative segment types\n* @name module:path.pathMap\n* @type {GenericArray}\n*/\nconst pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a',\n  'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];\n\n/**\n * Convert a path to one with only absolute or relative values\n * @todo move to pathActions.js\n * @function module:path.convertPath\n * @param {SVGPathElement} path - the path to convert\n * @param {boolean} toRel - true of convert to relative\n * @returns {string}\n */\nexport const convertPath = function (path, toRel) {\n  const segList = path.pathSegList;\n  const len = segList.numberOfItems;\n  let curx = 0, cury = 0;\n  let d = '';\n  let lastM = null;\n\n  for (let i = 0; i < len; ++i) {\n    const seg = segList.getItem(i);\n    // if these properties are not in the segment, set them to zero\n    let x = seg.x || 0,\n      y = seg.y || 0,\n      x1 = seg.x1 || 0,\n      y1 = seg.y1 || 0,\n      x2 = seg.x2 || 0,\n      y2 = seg.y2 || 0;\n\n    const type = seg.pathSegType;\n    let letter = pathMap[type]['to' + (toRel ? 'Lower' : 'Upper') + 'Case']();\n\n    switch (type) {\n    case 1: // z,Z closepath (Z/z)\n      d += 'z';\n      if (lastM && !toRel) {\n        curx = lastM[0];\n        cury = lastM[1];\n      }\n      break;\n    case 12: // absolute horizontal line (H)\n      x -= curx;\n      // Fallthrough\n    case 13: // relative horizontal line (h)\n      if (toRel) {\n        curx += x;\n        letter = 'l';\n      } else {\n        x += curx;\n        curx = x;\n        letter = 'L';\n      }\n      // Convert to \"line\" for easier editing\n      d += pathDSegment(letter, [[x, cury]]);\n      break;\n    case 14: // absolute vertical line (V)\n      y -= cury;\n      // Fallthrough\n    case 15: // relative vertical line (v)\n      if (toRel) {\n        cury += y;\n        letter = 'l';\n      } else {\n        y += cury;\n        cury = y;\n        letter = 'L';\n      }\n      // Convert to \"line\" for easier editing\n      d += pathDSegment(letter, [[curx, y]]);\n      break;\n    case 2: // absolute move (M)\n    case 4: // absolute line (L)\n    case 18: // absolute smooth quad (T)\n      x -= curx;\n      y -= cury;\n      // Fallthrough\n    case 5: // relative line (l)\n    case 3: // relative move (m)\n    case 19: // relative smooth quad (t)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx;\n        y += cury;\n        curx = x;\n        cury = y;\n      }\n      if (type === 2 || type === 3) { lastM = [curx, cury]; }\n\n      d += pathDSegment(letter, [[x, y]]);\n      break;\n    case 6: // absolute cubic (C)\n      x -= curx; x1 -= curx; x2 -= curx;\n      y -= cury; y1 -= cury; y2 -= cury;\n      // Fallthrough\n    case 7: // relative cubic (c)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx; x1 += curx; x2 += curx;\n        y += cury; y1 += cury; y2 += cury;\n        curx = x;\n        cury = y;\n      }\n      d += pathDSegment(letter, [[x1, y1], [x2, y2], [x, y]]);\n      break;\n    case 8: // absolute quad (Q)\n      x -= curx; x1 -= curx;\n      y -= cury; y1 -= cury;\n      // Fallthrough\n    case 9: // relative quad (q)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx; x1 += curx;\n        y += cury; y1 += cury;\n        curx = x;\n        cury = y;\n      }\n      d += pathDSegment(letter, [[x1, y1], [x, y]]);\n      break;\n    case 10: // absolute elliptical arc (A)\n      x -= curx;\n      y -= cury;\n      // Fallthrough\n    case 11: // relative elliptical arc (a)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx;\n        y += cury;\n        curx = x;\n        cury = y;\n      }\n      d += pathDSegment(letter, [[seg.r1, seg.r2]], [\n        seg.angle,\n        (seg.largeArcFlag ? 1 : 0),\n        (seg.sweepFlag ? 1 : 0)\n      ], [x, y]);\n      break;\n    case 16: // absolute smooth cubic (S)\n      x -= curx; x2 -= curx;\n      y -= cury; y2 -= cury;\n      // Fallthrough\n    case 17: // relative smooth cubic (s)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx; x2 += curx;\n        y += cury; y2 += cury;\n        curx = x;\n        cury = y;\n      }\n      d += pathDSegment(letter, [[x2, y2], [x, y]]);\n      break;\n    } // switch on path segment type\n  } // for each segment\n  return d;\n};\n\n/**\n * TODO: refactor callers in convertPath to use getPathDFromSegments instead of this function.\n * Legacy code refactored from svgcanvas.pathActions.convertPath\n * @param {string} letter - path segment command (letter in potentially either case from {@link module:path.pathMap}; see [SVGPathSeg#pathSegTypeAsLetter]{@link https://www.w3.org/TR/SVG/single-page.html#paths-__svg__SVGPathSeg__pathSegTypeAsLetter})\n * @param {Integer[][]} points - x,y points\n * @param {Integer[][]} [morePoints] - x,y points\n * @param {Integer[]} [lastPoint] - x,y point\n * @returns {string}\n */\nfunction pathDSegment (letter, points, morePoints, lastPoint) {\n  $.each(points, function (i, pnt) {\n    points[i] = shortFloat(pnt);\n  });\n  let segment = letter + points.join(' ');\n  if (morePoints) {\n    segment += ' ' + morePoints.join(' ');\n  }\n  if (lastPoint) {\n    segment += ' ' + shortFloat(lastPoint);\n  }\n  return segment;\n}\n\n/**\n* Group: Path edit functions\n* Functions relating to editing path elements\n* @namespace {PlainObject} pathActions\n* @memberof module:path\n*/\nexport const pathActions = (function () {\n  let subpath = false;\n  let newPoint, firstCtrl;\n\n  let currentPath = null;\n  let hasMoved = false;\n  // No `editorContext_` yet but should be ok as is `null` by default\n  // editorContext_.setDrawnPath(null);\n\n  /**\n  * This function converts a polyline (created by the fh_path tool) into\n  * a path element and coverts every three line segments into a single bezier\n  * curve in an attempt to smooth out the free-hand\n  * @function smoothPolylineIntoPath\n  * @param {Element} element\n  * @returns {Element}\n  */\n  const smoothPolylineIntoPath = function (element) {\n    let i;\n    const {points} = element;\n    const N = points.numberOfItems;\n    if (N >= 4) {\n      // loop through every 3 points and convert to a cubic bezier curve segment\n      //\n      // NOTE: this is cheating, it means that every 3 points has the potential to\n      // be a corner instead of treating each point in an equal manner. In general,\n      // this technique does not look that good.\n      //\n      // I am open to better ideas!\n      //\n      // Reading:\n      // - http://www.efg2.com/Lab/Graphics/Jean-YvesQueinecBezierCurves.htm\n      // - https://www.codeproject.com/KB/graphics/BezierSpline.aspx?msg=2956963\n      // - https://www.ian-ko.com/ET_GeoWizards/UserGuide/smooth.htm\n      // - https://www.cs.mtu.edu/~shene/COURSES/cs3621/NOTES/spline/Bezier/bezier-der.html\n      let curpos = points.getItem(0), prevCtlPt = null;\n      let d = [];\n      d.push(['M', curpos.x, ',', curpos.y, ' C'].join(''));\n      for (i = 1; i <= (N - 4); i += 3) {\n        let ct1 = points.getItem(i);\n        const ct2 = points.getItem(i + 1);\n        const end = points.getItem(i + 2);\n\n        // if the previous segment had a control point, we want to smooth out\n        // the control points on both sides\n        if (prevCtlPt) {\n          const newpts = smoothControlPoints(prevCtlPt, ct1, curpos);\n          if (newpts && newpts.length === 2) {\n            const prevArr = d[d.length - 1].split(',');\n            prevArr[2] = newpts[0].x;\n            prevArr[3] = newpts[0].y;\n            d[d.length - 1] = prevArr.join(',');\n            ct1 = newpts[1];\n          }\n        }\n\n        d.push([ct1.x, ct1.y, ct2.x, ct2.y, end.x, end.y].join(','));\n\n        curpos = end;\n        prevCtlPt = ct2;\n      }\n      // handle remaining line segments\n      d.push('L');\n      while (i < N) {\n        const pt = points.getItem(i);\n        d.push([pt.x, pt.y].join(','));\n        i++;\n      }\n      d = d.join(' ');\n\n      // create new path element\n      element = editorContext_.addSVGElementFromJson({\n        element: 'path',\n        curStyles: true,\n        attr: {\n          id: editorContext_.getId(),\n          d,\n          fill: 'none'\n        }\n      });\n      // No need to call \"changed\", as this is already done under mouseUp\n    }\n    return element;\n  };\n\n  return (/** @lends module:path.pathActions */ {\n    /**\n    * @param {MouseEvent} evt\n    * @param {Element} mouseTarget\n    * @param {Float} startX\n    * @param {Float} startY\n    * @returns {undefined}\n    */\n    mouseDown (evt, mouseTarget, startX, startY) {\n      let id;\n      if (editorContext_.getCurrentMode() === 'path') {\n        let mouseX = startX; // Was this meant to work with the other `mouseX`? (was defined globally so adding `let` to at least avoid a global)\n        let mouseY = startY; // Was this meant to work with the other `mouseY`? (was defined globally so adding `let` to at least avoid a global)\n\n        const currentZoom = editorContext_.getCurrentZoom();\n        let x = mouseX / currentZoom,\n          y = mouseY / currentZoom,\n          stretchy = getElem('path_stretch_line');\n        newPoint = [x, y];\n\n        if (editorContext_.getGridSnapping()) {\n          x = snapToGrid(x);\n          y = snapToGrid(y);\n          mouseX = snapToGrid(mouseX);\n          mouseY = snapToGrid(mouseY);\n        }\n\n        if (!stretchy) {\n          stretchy = document.createElementNS(NS.SVG, 'path');\n          assignAttributes(stretchy, {\n            id: 'path_stretch_line',\n            stroke: '#22C',\n            'stroke-width': '0.5',\n            fill: 'none'\n          });\n          stretchy = getElem('selectorParentGroup').appendChild(stretchy);\n        }\n        stretchy.setAttribute('display', 'inline');\n\n        let keep = null;\n        let index;\n        // if pts array is empty, create path element with M at current point\n        const drawnPath = editorContext_.getDrawnPath();\n        if (!drawnPath) {\n          const dAttr = 'M' + x + ',' + y + ' '; // Was this meant to work with the other `dAttr`? (was defined globally so adding `var` to at least avoid a global)\n          /* drawnPath = */ editorContext_.setDrawnPath(editorContext_.addSVGElementFromJson({\n            element: 'path',\n            curStyles: true,\n            attr: {\n              d: dAttr,\n              id: editorContext_.getNextId(),\n              opacity: editorContext_.getOpacity() / 2\n            }\n          }));\n          // set stretchy line to first point\n          stretchy.setAttribute('d', ['M', mouseX, mouseY, mouseX, mouseY].join(' '));\n          index = subpath ? path.segs.length : 0;\n          addPointGrip(index, mouseX, mouseY);\n        } else {\n          // determine if we clicked on an existing point\n          const seglist = drawnPath.pathSegList;\n          let i = seglist.numberOfItems;\n          const FUZZ = 6 / currentZoom;\n          let clickOnPoint = false;\n          while (i) {\n            i--;\n            const item = seglist.getItem(i);\n            const px = item.x, py = item.y;\n            // found a matching point\n            if (x >= (px - FUZZ) && x <= (px + FUZZ) &&\n              y >= (py - FUZZ) && y <= (py + FUZZ)\n            ) {\n              clickOnPoint = true;\n              break;\n            }\n          }\n\n          // get path element that we are in the process of creating\n          id = editorContext_.getId();\n\n          // Remove previous path object if previously created\n          removePath_(id);\n\n          const newpath = getElem(id);\n          let newseg;\n          let sSeg;\n          const len = seglist.numberOfItems;\n          // if we clicked on an existing point, then we are done this path, commit it\n          // (i, i+1) are the x,y that were clicked on\n          if (clickOnPoint) {\n            // if clicked on any other point but the first OR\n            // the first point was clicked on and there are less than 3 points\n            // then leave the path open\n            // otherwise, close the path\n            if (i <= 1 && len >= 2) {\n              // Create end segment\n              const absX = seglist.getItem(0).x;\n              const absY = seglist.getItem(0).y;\n\n              sSeg = stretchy.pathSegList.getItem(1);\n              if (sSeg.pathSegType === 4) {\n                newseg = drawnPath.createSVGPathSegLinetoAbs(absX, absY);\n              } else {\n                newseg = drawnPath.createSVGPathSegCurvetoCubicAbs(\n                  absX,\n                  absY,\n                  sSeg.x1 / currentZoom,\n                  sSeg.y1 / currentZoom,\n                  absX,\n                  absY\n                );\n              }\n\n              const endseg = drawnPath.createSVGPathSegClosePath();\n              seglist.appendItem(newseg);\n              seglist.appendItem(endseg);\n            } else if (len < 3) {\n              keep = false;\n              return keep;\n            }\n            $(stretchy).remove();\n\n            // This will signal to commit the path\n            // const element = newpath; // Other event handlers define own `element`, so this was probably not meant to interact with them or one which shares state (as there were none); I therefore adding a missing `var` to avoid a global\n            /* drawnPath = */ editorContext_.setDrawnPath(null);\n            editorContext_.setStarted(false);\n\n            if (subpath) {\n              if (path.matrix) {\n                editorContext_.remapElement(newpath, {}, path.matrix.inverse());\n              }\n\n              const newD = newpath.getAttribute('d');\n              const origD = $(path.elem).attr('d');\n              $(path.elem).attr('d', origD + newD);\n              $(newpath).remove();\n              if (path.matrix) {\n                recalcRotatedPath();\n              }\n              init();\n              pathActions.toEditMode(path.elem);\n              path.selectPt();\n              return false;\n            }\n          // else, create a new point, update path element\n          } else {\n            // Checks if current target or parents are #svgcontent\n            if (!$.contains(\n              editorContext_.getContainer(),\n              editorContext_.getMouseTarget(evt)\n            )) {\n              // Clicked outside canvas, so don't make point\n              console.log('Clicked outside canvas');\n              return false;\n            }\n\n            const num = drawnPath.pathSegList.numberOfItems;\n            const last = drawnPath.pathSegList.getItem(num - 1);\n            const lastx = last.x, lasty = last.y;\n\n            if (evt.shiftKey) {\n              const xya = snapToAngle(lastx, lasty, x, y);\n              ({x, y} = xya);\n            }\n\n            // Use the segment defined by stretchy\n            sSeg = stretchy.pathSegList.getItem(1);\n            if (sSeg.pathSegType === 4) {\n              newseg = drawnPath.createSVGPathSegLinetoAbs(\n                editorContext_.round(x),\n                editorContext_.round(y)\n              );\n            } else {\n              newseg = drawnPath.createSVGPathSegCurvetoCubicAbs(\n                editorContext_.round(x),\n                editorContext_.round(y),\n                sSeg.x1 / currentZoom,\n                sSeg.y1 / currentZoom,\n                sSeg.x2 / currentZoom,\n                sSeg.y2 / currentZoom\n              );\n            }\n\n            drawnPath.pathSegList.appendItem(newseg);\n\n            x *= currentZoom;\n            y *= currentZoom;\n\n            // set stretchy line to latest point\n            stretchy.setAttribute('d', ['M', x, y, x, y].join(' '));\n            index = num;\n            if (subpath) { index += path.segs.length; }\n            addPointGrip(index, x, y);\n          }\n          // keep = true;\n        }\n\n        return;\n      }\n\n      // TODO: Make sure currentPath isn't null at this point\n      if (!path) { return; }\n\n      path.storeD();\n\n      ({id} = evt.target);\n      let curPt;\n      if (id.substr(0, 14) === 'pathpointgrip_') {\n        // Select this point\n        curPt = path.cur_pt = parseInt(id.substr(14), 10);\n        path.dragging = [startX, startY];\n        const seg = path.segs[curPt];\n\n        // only clear selection if shift is not pressed (otherwise, add\n        // node to selection)\n        if (!evt.shiftKey) {\n          if (path.selected_pts.length <= 1 || !seg.selected) {\n            path.clearSelection();\n          }\n          path.addPtsToSelection(curPt);\n        } else if (seg.selected) {\n          path.removePtFromSelection(curPt);\n        } else {\n          path.addPtsToSelection(curPt);\n        }\n      } else if (id.startsWith('ctrlpointgrip_')) {\n        path.dragging = [startX, startY];\n\n        const parts = id.split('_')[1].split('c');\n        curPt = Number(parts[0]);\n        const ctrlNum = Number(parts[1]);\n        path.selectPt(curPt, ctrlNum);\n      }\n\n      // Start selection box\n      if (!path.dragging) {\n        let rubberBox = editorContext_.getRubberBox();\n        if (rubberBox == null) {\n          rubberBox = editorContext_.setRubberBox(\n            editorContext_.selectorManager.getRubberBandBox()\n          );\n        }\n        const currentZoom = editorContext_.getCurrentZoom();\n        assignAttributes(rubberBox, {\n          x: startX * currentZoom,\n          y: startY * currentZoom,\n          width: 0,\n          height: 0,\n          display: 'inline'\n        }, 100);\n      }\n    },\n    /**\n    * @param {Float} mouseX\n    * @param {Float} mouseY\n    * @returns {undefined}\n    */\n    mouseMove (mouseX, mouseY) {\n      const currentZoom = editorContext_.getCurrentZoom();\n      hasMoved = true;\n      const drawnPath = editorContext_.getDrawnPath();\n      if (editorContext_.getCurrentMode() === 'path') {\n        if (!drawnPath) { return; }\n        const seglist = drawnPath.pathSegList;\n        const index = seglist.numberOfItems - 1;\n\n        if (newPoint) {\n          // First point\n          // if (!index) { return; }\n\n          // Set control points\n          const pointGrip1 = addCtrlGrip('1c1');\n          const pointGrip2 = addCtrlGrip('0c2');\n\n          // dragging pointGrip1\n          pointGrip1.setAttribute('cx', mouseX);\n          pointGrip1.setAttribute('cy', mouseY);\n          pointGrip1.setAttribute('display', 'inline');\n\n          const ptX = newPoint[0];\n          const ptY = newPoint[1];\n\n          // set curve\n          // const seg = seglist.getItem(index);\n          const curX = mouseX / currentZoom;\n          const curY = mouseY / currentZoom;\n          const altX = (ptX + (ptX - curX));\n          const altY = (ptY + (ptY - curY));\n\n          pointGrip2.setAttribute('cx', altX * currentZoom);\n          pointGrip2.setAttribute('cy', altY * currentZoom);\n          pointGrip2.setAttribute('display', 'inline');\n\n          const ctrlLine = getCtrlLine(1);\n          assignAttributes(ctrlLine, {\n            x1: mouseX,\n            y1: mouseY,\n            x2: altX * currentZoom,\n            y2: altY * currentZoom,\n            display: 'inline'\n          });\n\n          if (index === 0) {\n            firstCtrl = [mouseX, mouseY];\n          } else {\n            const last = seglist.getItem(index - 1);\n            let lastX = last.x;\n            let lastY = last.y;\n\n            if (last.pathSegType === 6) {\n              lastX += (lastX - last.x2);\n              lastY += (lastY - last.y2);\n            } else if (firstCtrl) {\n              lastX = firstCtrl[0] / currentZoom;\n              lastY = firstCtrl[1] / currentZoom;\n            }\n            replacePathSeg(6, index, [ptX, ptY, lastX, lastY, altX, altY], drawnPath);\n          }\n        } else {\n          const stretchy = getElem('path_stretch_line');\n          if (stretchy) {\n            const prev = seglist.getItem(index);\n            if (prev.pathSegType === 6) {\n              const prevX = prev.x + (prev.x - prev.x2);\n              const prevY = prev.y + (prev.y - prev.y2);\n              replacePathSeg(6, 1, [mouseX, mouseY, prevX * currentZoom, prevY * currentZoom, mouseX, mouseY], stretchy);\n            } else if (firstCtrl) {\n              replacePathSeg(6, 1, [mouseX, mouseY, firstCtrl[0], firstCtrl[1], mouseX, mouseY], stretchy);\n            } else {\n              replacePathSeg(4, 1, [mouseX, mouseY], stretchy);\n            }\n          }\n        }\n        return;\n      }\n      // if we are dragging a point, let's move it\n      if (path.dragging) {\n        const pt = getPointFromGrip({\n          x: path.dragging[0],\n          y: path.dragging[1]\n        }, path);\n        const mpt = getPointFromGrip({\n          x: mouseX,\n          y: mouseY\n        }, path);\n        const diffX = mpt.x - pt.x;\n        const diffY = mpt.y - pt.y;\n        path.dragging = [mouseX, mouseY];\n\n        if (path.dragctrl) {\n          path.moveCtrl(diffX, diffY);\n        } else {\n          path.movePts(diffX, diffY);\n        }\n      } else {\n        path.selected_pts = [];\n        path.eachSeg(function (i) {\n          const seg = this;\n          if (!seg.next && !seg.prev) { return; }\n\n          // const {item} = seg;\n          const rubberBox = editorContext_.getRubberBox();\n          const rbb = rubberBox.getBBox();\n\n          const pt = getGripPt(seg);\n          const ptBb = {\n            x: pt.x,\n            y: pt.y,\n            width: 0,\n            height: 0\n          };\n\n          const sel = rectsIntersect(rbb, ptBb);\n\n          this.select(sel);\n          // Note that addPtsToSelection is not being run\n          if (sel) { path.selected_pts.push(seg.index); }\n        });\n      }\n    },\n    /**\n    * @param {Event} evt\n    * @param {Element} element\n    * @param {Float} mouseX\n    * @param {Float} mouseY\n    * @returns {undefined}\n    */\n    mouseUp (evt, element, mouseX, mouseY) {\n      const drawnPath = editorContext_.getDrawnPath();\n      // Create mode\n      if (editorContext_.getCurrentMode() === 'path') {\n        newPoint = null;\n        if (!drawnPath) {\n          element = getElem(editorContext_.getId());\n          editorContext_.setStarted(false);\n          firstCtrl = null;\n        }\n\n        return {\n          keep: true,\n          element\n        };\n      }\n\n      // Edit mode\n      const rubberBox = editorContext_.getRubberBox();\n      if (path.dragging) {\n        const lastPt = path.cur_pt;\n\n        path.dragging = false;\n        path.dragctrl = false;\n        path.update();\n\n        if (hasMoved) {\n          path.endChanges('Move path point(s)');\n        }\n\n        if (!evt.shiftKey && !hasMoved) {\n          path.selectPt(lastPt);\n        }\n      } else if (rubberBox && rubberBox.getAttribute('display') !== 'none') {\n        // Done with multi-node-select\n        rubberBox.setAttribute('display', 'none');\n\n        if (rubberBox.getAttribute('width') <= 2 && rubberBox.getAttribute('height') <= 2) {\n          pathActions.toSelectMode(evt.target);\n        }\n\n      // else, move back to select mode\n      } else {\n        pathActions.toSelectMode(evt.target);\n      }\n      hasMoved = false;\n    },\n    /**\n    * @param {Element} element\n    * @returns {undefined}\n    */\n    toEditMode (element) {\n      path = getPath_(element);\n      editorContext_.setCurrentMode('pathedit');\n      editorContext_.clearSelection();\n      path.show(true).update();\n      path.oldbbox = utilsGetBBox(path.elem);\n      subpath = false;\n    },\n    /**\n    * @param {Element} element\n    * @fires module:svgcanvas.SvgCanvas#event:selected\n    * @returns {undefined}\n    */\n    toSelectMode (elem) {\n      const selPath = (elem === path.elem);\n      editorContext_.setCurrentMode('select');\n      path.show(false);\n      currentPath = false;\n      editorContext_.clearSelection();\n\n      if (path.matrix) {\n        // Rotated, so may need to re-calculate the center\n        recalcRotatedPath();\n      }\n\n      if (selPath) {\n        editorContext_.call('selected', [elem]);\n        editorContext_.addToSelection([elem], true);\n      }\n    },\n    /**\n    * @param {boolean} on\n    * @returns {undefined}\n    */\n    addSubPath (on) {\n      if (on) {\n        // Internally we go into \"path\" mode, but in the UI it will\n        // still appear as if in \"pathedit\" mode.\n        editorContext_.setCurrentMode('path');\n        subpath = true;\n      } else {\n        pathActions.clear(true);\n        pathActions.toEditMode(path.elem);\n      }\n    },\n    /**\n    * @param {Element} target\n    * @returns {undefined}\n    */\n    select (target) {\n      if (currentPath === target) {\n        pathActions.toEditMode(target);\n        editorContext_.setCurrentMode('pathedit');\n      // going into pathedit mode\n      } else {\n        currentPath = target;\n      }\n    },\n    /**\n    * @fires module:svgcanvas.SvgCanvas#event:changed\n    * @returns {undefined}\n    */\n    reorient () {\n      const elem = editorContext_.getSelectedElements()[0];\n      if (!elem) { return; }\n      const angle = getRotationAngle(elem);\n      if (angle === 0) { return; }\n\n      const batchCmd = new BatchCommand('Reorient path');\n      const changes = {\n        d: elem.getAttribute('d'),\n        transform: elem.getAttribute('transform')\n      };\n      batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));\n      editorContext_.clearSelection();\n      this.resetOrientation(elem);\n\n      editorContext_.addCommandToHistory(batchCmd);\n\n      // Set matrix to null\n      getPath_(elem).show(false).matrix = null;\n\n      this.clear();\n\n      editorContext_.addToSelection([elem], true);\n      editorContext_.call('changed', editorContext_.getSelectedElements());\n    },\n\n    /**\n    * @param {boolean} remove Not in use\n    * @returns {undefined}\n    */\n    clear (remove) {\n      const drawnPath = editorContext_.getDrawnPath();\n      currentPath = null;\n      if (drawnPath) {\n        const elem = getElem(editorContext_.getId());\n        $(getElem('path_stretch_line')).remove();\n        $(elem).remove();\n        $(getElem('pathpointgrip_container')).find('*').attr('display', 'none');\n        firstCtrl = null;\n        editorContext_.setDrawnPath(null);\n        editorContext_.setStarted(false);\n      } else if (editorContext_.getCurrentMode() === 'pathedit') {\n        this.toSelectMode();\n      }\n      if (path) { path.init().show(false); }\n    },\n    /**\n    * @param {?(Element|SVGPathElement)} pth\n    * @returns {false|undefined}\n    */\n    resetOrientation (pth) {\n      if (pth == null || pth.nodeName !== 'path') { return false; }\n      const tlist = getTransformList(pth);\n      const m = transformListToTransform(tlist).matrix;\n      tlist.clear();\n      pth.removeAttribute('transform');\n      const segList = pth.pathSegList;\n\n      // Opera/win/non-EN throws an error here.\n      // TODO: Find out why!\n      // Presumed fixed in Opera 10.5, so commented out for now\n\n      // try {\n      const len = segList.numberOfItems;\n      // } catch(err) {\n      //   const fixed_d = pathActions.convertPath(pth);\n      //   pth.setAttribute('d', fixed_d);\n      //   segList = pth.pathSegList;\n      //   const len = segList.numberOfItems;\n      // }\n      // let lastX, lastY;\n      for (let i = 0; i < len; ++i) {\n        const seg = segList.getItem(i);\n        const type = seg.pathSegType;\n        if (type === 1) { continue; }\n        const pts = [];\n        $.each(['', 1, 2], function (j, n) {\n          const x = seg['x' + n], y = seg['y' + n];\n          if (x !== undefined && y !== undefined) {\n            const pt = transformPoint(x, y, m);\n            pts.splice(pts.length, 0, pt.x, pt.y);\n          }\n        });\n        replacePathSeg(type, i, pts, pth);\n      }\n\n      reorientGrads(pth, m);\n    },\n    /**\n    * @returns {undefined}\n    */\n    zoomChange () {\n      if (editorContext_.getCurrentMode() === 'pathedit') {\n        path.update();\n      }\n    },\n    /**\n    * @typedef {PlainObject} module:path.NodePoint\n    * @property {Float} x\n    * @property {Float} y\n    * @property {Integer} type\n    */\n    /**\n    * @returns {module:path.NodePoint}\n    */\n    getNodePoint () {\n      const selPt = path.selected_pts.length ? path.selected_pts[0] : 1;\n\n      const seg = path.segs[selPt];\n      return {\n        x: seg.item.x,\n        y: seg.item.y,\n        type: seg.type\n      };\n    },\n    /**\n    * @param {boolean} linkPoints\n    * @returns {undefined}\n    */\n    linkControlPoints (linkPoints) {\n      setLinkControlPoints(linkPoints);\n    },\n    /**\n    * @returns {undefined}\n    */\n    clonePathNode () {\n      path.storeD();\n\n      const selPts = path.selected_pts;\n      // const {segs} = path;\n\n      let i = selPts.length;\n      const nums = [];\n\n      while (i--) {\n        const pt = selPts[i];\n        path.addSeg(pt);\n\n        nums.push(pt + i);\n        nums.push(pt + i + 1);\n      }\n      path.init().addPtsToSelection(nums);\n\n      path.endChanges('Clone path node(s)');\n    },\n    /**\n    * @returns {undefined}\n    */\n    opencloseSubPath () {\n      const selPts = path.selected_pts;\n      // Only allow one selected node for now\n      if (selPts.length !== 1) { return; }\n\n      const {elem} = path;\n      const list = elem.pathSegList;\n\n      // const len = list.numberOfItems;\n\n      const index = selPts[0];\n\n      let openPt = null;\n      let startItem = null;\n\n      // Check if subpath is already open\n      path.eachSeg(function (i) {\n        if (this.type === 2 && i <= index) {\n          startItem = this.item;\n        }\n        if (i <= index) { return true; }\n        if (this.type === 2) {\n          // Found M first, so open\n          openPt = i;\n          return false;\n        }\n        if (this.type === 1) {\n          // Found Z first, so closed\n          openPt = false;\n          return false;\n        }\n      });\n\n      if (openPt == null) {\n        // Single path, so close last seg\n        openPt = path.segs.length - 1;\n      }\n\n      if (openPt !== false) {\n        // Close this path\n\n        // Create a line going to the previous \"M\"\n        const newseg = elem.createSVGPathSegLinetoAbs(startItem.x, startItem.y);\n\n        const closer = elem.createSVGPathSegClosePath();\n        if (openPt === path.segs.length - 1) {\n          list.appendItem(newseg);\n          list.appendItem(closer);\n        } else {\n          insertItemBefore(elem, closer, openPt);\n          insertItemBefore(elem, newseg, openPt);\n        }\n\n        path.init().selectPt(openPt + 1);\n        return;\n      }\n\n      // M 1,1 L 2,2 L 3,3 L 1,1 z // open at 2,2\n      // M 2,2 L 3,3 L 1,1\n\n      // M 1,1 L 2,2 L 1,1 z M 4,4 L 5,5 L6,6 L 5,5 z\n      // M 1,1 L 2,2 L 1,1 z [M 4,4] L 5,5 L(M)6,6 L 5,5 z\n\n      const seg = path.segs[index];\n\n      if (seg.mate) {\n        list.removeItem(index); // Removes last \"L\"\n        list.removeItem(index); // Removes the \"Z\"\n        path.init().selectPt(index - 1);\n        return;\n      }\n\n      let lastM, zSeg;\n\n      // Find this sub-path's closing point and remove\n      for (let i = 0; i < list.numberOfItems; i++) {\n        const item = list.getItem(i);\n\n        if (item.pathSegType === 2) {\n          // Find the preceding M\n          lastM = i;\n        } else if (i === index) {\n          // Remove it\n          list.removeItem(lastM);\n          // index--;\n        } else if (item.pathSegType === 1 && index < i) {\n          // Remove the closing seg of this subpath\n          zSeg = i - 1;\n          list.removeItem(i);\n          break;\n        }\n      }\n\n      let num = (index - lastM) - 1;\n\n      while (num--) {\n        insertItemBefore(elem, list.getItem(lastM), zSeg);\n      }\n\n      const pt = list.getItem(lastM);\n\n      // Make this point the new \"M\"\n      replacePathSeg(2, lastM, [pt.x, pt.y]);\n\n      // i = index; // i is local here, so has no effect; what was the intent for this?\n\n      path.init().selectPt(0);\n    },\n    /**\n    * @returns {undefined}\n    */\n    deletePathNode () {\n      if (!pathActions.canDeleteNodes) { return; }\n      path.storeD();\n\n      const selPts = path.selected_pts;\n\n      let i = selPts.length;\n      while (i--) {\n        const pt = selPts[i];\n        path.deleteSeg(pt);\n      }\n\n      // Cleanup\n      const cleanup = function () {\n        const segList = path.elem.pathSegList;\n        let len = segList.numberOfItems;\n\n        const remItems = function (pos, count) {\n          while (count--) {\n            segList.removeItem(pos);\n          }\n        };\n\n        if (len <= 1) { return true; }\n\n        while (len--) {\n          const item = segList.getItem(len);\n          if (item.pathSegType === 1) {\n            const prev = segList.getItem(len - 1);\n            const nprev = segList.getItem(len - 2);\n            if (prev.pathSegType === 2) {\n              remItems(len - 1, 2);\n              cleanup();\n              break;\n            } else if (nprev.pathSegType === 2) {\n              remItems(len - 2, 3);\n              cleanup();\n              break;\n            }\n          } else if (item.pathSegType === 2) {\n            if (len > 0) {\n              const prevType = segList.getItem(len - 1).pathSegType;\n              // Path has M M\n              if (prevType === 2) {\n                remItems(len - 1, 1);\n                cleanup();\n                break;\n              // Entire path ends with Z M\n              } else if (prevType === 1 && segList.numberOfItems - 1 === len) {\n                remItems(len, 1);\n                cleanup();\n                break;\n              }\n            }\n          }\n        }\n        return false;\n      };\n\n      cleanup();\n\n      // Completely delete a path with 1 or 0 segments\n      if (path.elem.pathSegList.numberOfItems <= 1) {\n        pathActions.toSelectMode(path.elem);\n        editorContext_.canvas.deleteSelectedElements();\n        return;\n      }\n\n      path.init();\n      path.clearSelection();\n\n      // TODO: Find right way to select point now\n      // path.selectPt(selPt);\n      if (window.opera) { // Opera repaints incorrectly\n        const cp = $(path.elem);\n        cp.attr('d', cp.attr('d'));\n      }\n      path.endChanges('Delete path node(s)');\n    },\n    // Can't seem to use `@borrows` here, so using `@see`\n    /**\n    * Smooth polyline into path\n    * @function module:path.pathActions.smoothPolylineIntoPath\n    * @see module:path~smoothPolylineIntoPath\n    */\n    smoothPolylineIntoPath,\n    /**\n    * @returns {undefined}\n    */\n    setSegType (v) {\n      path.setSegType(v);\n    },\n    /**\n    * @param {string} attr\n    * @param {Float} newValue\n    * @returns {undefined}\n    */\n    moveNode (attr, newValue) {\n      const selPts = path.selected_pts;\n      if (!selPts.length) { return; }\n\n      path.storeD();\n\n      // Get first selected point\n      const seg = path.segs[selPts[0]];\n      const diff = {x: 0, y: 0};\n      diff[attr] = newValue - seg.item[attr];\n\n      seg.move(diff.x, diff.y);\n      path.endChanges('Move path point');\n    },\n    /**\n    * @param {Element} elem\n    * @returns {undefined}\n    */\n    fixEnd (elem) {\n      // Adds an extra segment if the last seg before a Z doesn't end\n      // at its M point\n      // M0,0 L0,100 L100,100 z\n      const segList = elem.pathSegList;\n      const len = segList.numberOfItems;\n      let lastM;\n      for (let i = 0; i < len; ++i) {\n        const item = segList.getItem(i);\n        if (item.pathSegType === 2) {\n          lastM = item;\n        }\n\n        if (item.pathSegType === 1) {\n          const prev = segList.getItem(i - 1);\n          if (prev.x !== lastM.x || prev.y !== lastM.y) {\n            // Add an L segment here\n            const newseg = elem.createSVGPathSegLinetoAbs(lastM.x, lastM.y);\n            insertItemBefore(elem, newseg, i);\n            // Can this be done better?\n            pathActions.fixEnd(elem);\n            break;\n          }\n        }\n      }\n      if (isWebkit()) { editorContext_.resetD(elem); }\n    },\n    // Can't seem to use `@borrows` here, so using `@see`\n    /**\n    * Convert a path to one with only absolute or relative values\n    * @function module:path.pathActions.convertPath\n    * @see module:path.convertPath\n    */\n    convertPath\n  });\n})();\n// end pathActions\n","/* globals jQuery */\n/**\n * Miscellaneous utilities\n * @module utilities\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport './svgpathseg.js';\nimport jqPluginSVG from './jQuery.attr.js'; // Needed for SVG attribute setting and array form with `attr`\nimport {NS} from './namespaces.js';\nimport {getTransformList} from './svgtransformlist.js';\nimport {setUnitAttr, getTypeMap} from './units.js';\nimport {convertPath} from './path.js';\nimport {\n  hasMatrixTransform, transformListToTransform, transformBox\n} from './math.js';\nimport {\n  isWebkit, supportsHVLineContainerBBox, supportsPathBBox, supportsXpath,\n  supportsSelectors\n} from './browser.js';\n\n// Constants\nconst $ = jqPluginSVG(jQuery);\n\n// String used to encode base64.\nconst KEYSTR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n\n// Much faster than running getBBox() every time\nconst visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use';\nconst visElemsArr = visElems.split(',');\n// const hidElems = 'clipPath,defs,desc,feGaussianBlur,filter,linearGradient,marker,mask,metadata,pattern,radialGradient,stop,switch,symbol,title,textPath';\n\nlet editorContext_ = null;\nlet domdoc_ = null;\nlet domcontainer_ = null;\nlet svgroot_ = null;\n\n/**\n* Object with the following keys/values\n* @typedef {PlainObject} module:utilities.SVGElementJSON\n* @property {string} element - Tag name of the SVG element to create\n* @property {PlainObject.<string, string>} attr - Has key-value attributes to assign to the new element\n* @property {boolean} [curStyles=false] - Indicates whether current style attributes should be applied first\n* @property {module:utilities.SVGElementJSON[]} [children] - Data objects to be added recursively as children\n* @property {string} [namespace=\"http://www.w3.org/2000/svg\"] - Indicate a (non-SVG) namespace\n*/\n\n/**\n * An object that creates SVG elements for the canvas.\n *\n * @interface module:utilities.EditorContext\n * @property {module:path.pathActions} pathActions\n */\n/**\n * @function module:utilities.EditorContext#getSVGContent\n * @returns {SVGSVGElement}\n */\n/**\n * Create a new SVG element based on the given object keys/values and add it\n * to the current layer.\n * The element will be run through `cleanupElement` before being returned\n * @function module:utilities.EditorContext#addSVGElementFromJson\n * @param {module:utilities.SVGElementJSON} data\n * @returns {Element} The new element\n*/\n/**\n * @function module:utilities.EditorContext#getSelectedElements\n * @returns {Element[]} the array with selected DOM elements\n*/\n/**\n * @function module:utilities.EditorContext#getDOMDocument\n * @returns {HTMLDocument}\n*/\n/**\n * @function module:utilities.EditorContext#getDOMContainer\n * @returns {HTMLElement}\n*/\n/**\n * @function module:utilities.EditorContext#getSVGRoot\n * @returns {SVGSVGElement}\n*/\n/**\n * @function module:utilities.EditorContext#getBaseUnit\n * @returns {string}\n*/\n/**\n * @function module:utilities.EditorContext#getSnappingStep\n * @returns {Float|string}\n*/\n\n/**\n* @function module:utilities.init\n* @param {module:utilities.EditorContext} editorContext\n* @returns {undefined}\n*/\nexport const init = function (editorContext) {\n  editorContext_ = editorContext;\n  domdoc_ = editorContext.getDOMDocument();\n  domcontainer_ = editorContext.getDOMContainer();\n  svgroot_ = editorContext.getSVGRoot();\n};\n\n/**\n * Used to prevent the [Billion laughs attack]{@link https://en.wikipedia.org/wiki/Billion_laughs_attack}\n * @function module:utilities.dropXMLInteralSubset\n * @param {string} str String to be processed\n * @returns {string} The string with entity declarations in the internal subset removed\n * @todo This might be needed in other places `parseFromString` is used even without LGTM flagging\n */\nexport const dropXMLInteralSubset = (str) => {\n  return str.replace(/(<!DOCTYPE\\s+\\w*\\s*\\[).*(\\?\\]>)/, '$1$2');\n};\n\n/**\n* Converts characters in a string to XML-friendly entities.\n* @function module:utilities.toXml\n* @example `&` becomes `&amp;`\n* @param {string} str - The string to be converted\n* @returns {string} The converted string\n*/\nexport const toXml = function (str) {\n  // &apos; is ok in XML, but not HTML\n  // &gt; does not normally need escaping, though it can if within a CDATA expression (and preceded by \"]]\")\n  return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/\"/g, '&quot;').replace(/'/g, '&#x27;'); // Note: `&apos;` is XML only\n};\n\n/**\n* Converts XML entities in a string to single characters.\n* @function module:utilities.fromXml\n* @example `&amp;` becomes `&`\n* @param {string} str - The string to be converted\n* @returns {string} The converted string\n*/\nexport const fromXml = function (str) {\n  return $('<p/>').html(str).text();\n};\n\n// This code was written by Tyler Akins and has been placed in the\n// public domain.  It would be nice if you left this header intact.\n// Base64 code from Tyler Akins -- http://rumkin.com\n\n// schiller: Removed string concatenation in favour of Array.join() optimization,\n//        also precalculate the size of the array needed.\n\n/**\n* Converts a string to base64\n* @function module:utilities.encode64\n* @param {string} input\n* @returns {string} Base64 output\n*/\nexport const encode64 = function (input) {\n  // base64 strings are 4/3 larger than the original string\n  input = encodeUTF8(input); // convert non-ASCII characters\n  // input = convertToXMLReferences(input);\n  if (window.btoa) {\n    return window.btoa(input); // Use native if available\n  }\n  const output = [];\n  output.length = Math.floor((input.length + 2) / 3) * 4;\n\n  let i = 0, p = 0;\n  do {\n    const chr1 = input.charCodeAt(i++);\n    const chr2 = input.charCodeAt(i++);\n    const chr3 = input.charCodeAt(i++);\n\n    const enc1 = chr1 >> 2;\n    const enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);\n\n    let enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);\n    let enc4 = chr3 & 63;\n\n    if (isNaN(chr2)) {\n      enc3 = enc4 = 64;\n    } else if (isNaN(chr3)) {\n      enc4 = 64;\n    }\n\n    output[p++] = KEYSTR.charAt(enc1);\n    output[p++] = KEYSTR.charAt(enc2);\n    output[p++] = KEYSTR.charAt(enc3);\n    output[p++] = KEYSTR.charAt(enc4);\n  } while (i < input.length);\n\n  return output.join('');\n};\n\n/**\n* Converts a string from base64\n* @function module:utilities.decode64\n* @param {string} input Base64-encoded input\n* @returns {string} Decoded output\n*/\nexport const decode64 = function (input) {\n  if (window.atob) {\n    return decodeUTF8(window.atob(input));\n  }\n\n  // remove all characters that are not A-Z, a-z, 0-9, +, /, or =\n  input = input.replace(/[^A-Za-z0-9+/=]/g, '');\n\n  let output = '';\n  let i = 0;\n\n  do {\n    const enc1 = KEYSTR.indexOf(input.charAt(i++));\n    const enc2 = KEYSTR.indexOf(input.charAt(i++));\n    const enc3 = KEYSTR.indexOf(input.charAt(i++));\n    const enc4 = KEYSTR.indexOf(input.charAt(i++));\n\n    const chr1 = (enc1 << 2) | (enc2 >> 4);\n    const chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);\n    const chr3 = ((enc3 & 3) << 6) | enc4;\n\n    output += String.fromCharCode(chr1);\n\n    if (enc3 !== 64) {\n      output = output + String.fromCharCode(chr2);\n    }\n    if (enc4 !== 64) {\n      output = output + String.fromCharCode(chr3);\n    }\n  } while (i < input.length);\n  return decodeUTF8(output);\n};\n\n/**\n* @function module:utilities.decodeUTF8\n* @param {string} argString\n* @returns {string}\n*/\nexport const decodeUTF8 = function (argString) {\n  return decodeURIComponent(escape(argString));\n};\n\n// codedread:does not seem to work with webkit-based browsers on OSX // Brettz9: please test again as function upgraded\n/**\n* @function module:utilities.encodeUTF8\n* @param {string} argString\n* @returns {string}\n*/\nexport const encodeUTF8 = function (argString) {\n  return unescape(encodeURIComponent(argString));\n};\n\n/**\n * convert dataURL to object URL\n * @function module:utilities.dataURLToObjectURL\n * @param {string} dataurl\n * @returns {string} object URL or empty string\n */\nexport const dataURLToObjectURL = function (dataurl) {\n  if (typeof Uint8Array === 'undefined' || typeof Blob === 'undefined' || typeof URL === 'undefined' || !URL.createObjectURL) {\n    return '';\n  }\n  const arr = dataurl.split(','), mime = arr[0].match(/:(.*?);/)[1],\n    bstr = atob(arr[1]);\n  let n = bstr.length;\n  const u8arr = new Uint8Array(n);\n  while (n--) {\n    u8arr[n] = bstr.charCodeAt(n);\n  }\n  const blob = new Blob([u8arr], {type: mime});\n  return URL.createObjectURL(blob);\n};\n\n/**\n * get object URL for a blob object\n * @function module:utilities.createObjectURL\n * @param {Blob} blob A Blob object or File object\n * @returns {string} object URL or empty string\n */\nexport const createObjectURL = function (blob) {\n  if (!blob || typeof URL === 'undefined' || !URL.createObjectURL) {\n    return '';\n  }\n  return URL.createObjectURL(blob);\n};\n\n/**\n * @property {string} blankPageObjectURL\n */\nexport const blankPageObjectURL = (function () {\n  if (typeof Blob === 'undefined') {\n    return '';\n  }\n  const blob = new Blob(['<html><head><title>SVG-edit</title></head><body>&nbsp;</body></html>'], {type: 'text/html'});\n  return createObjectURL(blob);\n})();\n\n/**\n* Converts a string to use XML references (for non-ASCII)\n* @function module:utilities.convertToXMLReferences\n* @param {string} input\n* @returns {string} Decimal numeric character references\n*/\nexport const convertToXMLReferences = function (input) {\n  let output = '';\n  [...input].forEach((ch) => {\n    const c = ch.charCodeAt();\n    if (c <= 127) {\n      output += ch;\n    } else {\n      output += `&#${c};`;\n    }\n  });\n  return output;\n};\n\n/**\n* Cross-browser compatible method of converting a string to an XML tree\n* found this function [here]{@link http://groups.google.com/group/jquery-dev/browse_thread/thread/c6d11387c580a77f}\n* @function module:utilities.text2xml\n* @param {string} sXML\n* @throws {Error}\n* @returns {XMLDocument}\n*/\nexport const text2xml = function (sXML) {\n  if (sXML.includes('<svg:svg')) {\n    sXML = sXML.replace(/<(\\/?)svg:/g, '<$1').replace('xmlns:svg', 'xmlns');\n  }\n\n  let out, dXML;\n  try {\n    dXML = (window.DOMParser) ? new DOMParser() : new window.ActiveXObject('Microsoft.XMLDOM');\n    dXML.async = false;\n  } catch (e) {\n    throw new Error('XML Parser could not be instantiated');\n  }\n  try {\n    if (dXML.loadXML) {\n      out = (dXML.loadXML(sXML)) ? dXML : false;\n    } else {\n      out = dXML.parseFromString(sXML, 'text/xml');\n    }\n  } catch (e2) { throw new Error('Error parsing XML string'); }\n  return out;\n};\n\n/**\n* @typedef {PlainObject} module:utilities.BBoxObject (like `DOMRect`)\n* @property {Float} x\n* @property {Float} y\n* @property {Float} width\n* @property {Float} height\n*/\n\n/**\n* Converts a `SVGRect` into an object.\n* @function module:utilities.bboxToObj\n* @param {SVGRect} bbox - a SVGRect\n* @returns {module:utilities.BBoxObject} An object with properties names x, y, width, height.\n*/\nexport const bboxToObj = function ({x, y, width, height}) {\n  return {x, y, width, height};\n};\n\n/**\n* @callback module:utilities.TreeWalker\n* @param {Element} elem - DOM element being traversed\n* @returns {undefined}\n*/\n\n/**\n* Walks the tree and executes the callback on each element in a top-down fashion\n* @function module:utilities.walkTree\n* @param {Element} elem - DOM element to traverse\n* @param {module:utilities.TreeWalker} cbFn - Callback function to run on each element\n* @returns {undefined}\n*/\nexport const walkTree = function (elem, cbFn) {\n  if (elem && elem.nodeType === 1) {\n    cbFn(elem);\n    let i = elem.childNodes.length;\n    while (i--) {\n      walkTree(elem.childNodes.item(i), cbFn);\n    }\n  }\n};\n\n/**\n* Walks the tree and executes the callback on each element in a depth-first fashion\n* @function module:utilities.walkTreePost\n* @todo FIXME: Shouldn't this be calling walkTreePost?\n* @param {Element} elem - DOM element to traverse\n* @param {module:utilities.TreeWalker} cbFn - Callback function to run on each element\n* @returns {undefined}\n*/\nexport const walkTreePost = function (elem, cbFn) {\n  if (elem && elem.nodeType === 1) {\n    let i = elem.childNodes.length;\n    while (i--) {\n      walkTree(elem.childNodes.item(i), cbFn);\n    }\n    cbFn(elem);\n  }\n};\n\n/**\n* Extracts the URL from the `url(...)` syntax of some attributes.\n* Three variants:\n*  - `<circle fill=\"url(someFile.svg#foo)\" />`\n*  - `<circle fill=\"url('someFile.svg#foo')\" />`\n*  - `<circle fill='url(\"someFile.svg#foo\")' />`\n* @function module:utilities.getUrlFromAttr\n* @param {string} attrVal The attribute value as a string\n* @returns {string} String with just the URL, like \"someFile.svg#foo\"\n*/\nexport const getUrlFromAttr = function (attrVal) {\n  if (attrVal) {\n    // url('#somegrad')\n    if (attrVal.startsWith('url(\"')) {\n      return attrVal.substring(5, attrVal.indexOf('\"', 6));\n    }\n    // url('#somegrad')\n    if (attrVal.startsWith(\"url('\")) {\n      return attrVal.substring(5, attrVal.indexOf(\"'\", 6));\n    }\n    if (attrVal.startsWith('url(')) {\n      return attrVal.substring(4, attrVal.indexOf(')'));\n    }\n  }\n  return null;\n};\n\n/**\n* @function module:utilities.getHref\n* @param {Element} elem\n* @returns {string} The given element's `xlink:href` value\n*/\nexport let getHref = function (elem) {\n  return elem.getAttributeNS(NS.XLINK, 'href');\n};\n\n/**\n* Sets the given element's `xlink:href` value\n* @function module:utilities.setHref\n* @param {Element} elem\n* @param {string} val\n* @returns {undefined}\n*/\nexport let setHref = function (elem, val) {\n  elem.setAttributeNS(NS.XLINK, 'xlink:href', val);\n};\n\n/**\n* @function module:utilities.findDefs\n* @returns {SVGDefsElement} The document's `<defs>` element, creating it first if necessary\n*/\nexport const findDefs = function () {\n  const svgElement = editorContext_.getSVGContent();\n  let defs = svgElement.getElementsByTagNameNS(NS.SVG, 'defs');\n  if (defs.length > 0) {\n    defs = defs[0];\n  } else {\n    defs = svgElement.ownerDocument.createElementNS(NS.SVG, 'defs');\n    if (svgElement.firstChild) {\n      // first child is a comment, so call nextSibling\n      svgElement.insertBefore(defs, svgElement.firstChild.nextSibling);\n      // svgElement.firstChild.nextSibling.before(defs); // Not safe\n    } else {\n      svgElement.append(defs);\n    }\n  }\n  return defs;\n};\n\n// TODO(codedread): Consider moving the next to functions to bbox.js\n\n/**\n* Get correct BBox for a path in Webkit.\n* Converted from code found [here]{@link http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html}\n* @function module:utilities.getPathBBox\n* @param {SVGPathElement} path - The path DOM element to get the BBox for\n* @returns {module:utilities.BBoxObject} A BBox-like object\n*/\nexport const getPathBBox = function (path) {\n  const seglist = path.pathSegList;\n  const tot = seglist.numberOfItems;\n\n  const bounds = [[], []];\n  const start = seglist.getItem(0);\n  let P0 = [start.x, start.y];\n\n  for (let i = 0; i < tot; i++) {\n    const seg = seglist.getItem(i);\n\n    if (seg.x === undefined) { continue; }\n\n    // Add actual points to limits\n    bounds[0].push(P0[0]);\n    bounds[1].push(P0[1]);\n\n    if (seg.x1) {\n      const P1 = [seg.x1, seg.y1],\n        P2 = [seg.x2, seg.y2],\n        P3 = [seg.x, seg.y];\n\n      for (let j = 0; j < 2; j++) {\n        const calc = function (t) {\n          return Math.pow(1 - t, 3) * P0[j] +\n            3 * Math.pow(1 - t, 2) * t * P1[j] +\n            3 * (1 - t) * Math.pow(t, 2) * P2[j] +\n            Math.pow(t, 3) * P3[j];\n        };\n\n        const b = 6 * P0[j] - 12 * P1[j] + 6 * P2[j];\n        const a = -3 * P0[j] + 9 * P1[j] - 9 * P2[j] + 3 * P3[j];\n        const c = 3 * P1[j] - 3 * P0[j];\n\n        if (a === 0) {\n          if (b === 0) {\n            continue;\n          }\n          const t = -c / b;\n          if (t > 0 && t < 1) {\n            bounds[j].push(calc(t));\n          }\n          continue;\n        }\n        const b2ac = Math.pow(b, 2) - 4 * c * a;\n        if (b2ac < 0) { continue; }\n        const t1 = (-b + Math.sqrt(b2ac)) / (2 * a);\n        if (t1 > 0 && t1 < 1) { bounds[j].push(calc(t1)); }\n        const t2 = (-b - Math.sqrt(b2ac)) / (2 * a);\n        if (t2 > 0 && t2 < 1) { bounds[j].push(calc(t2)); }\n      }\n      P0 = P3;\n    } else {\n      bounds[0].push(seg.x);\n      bounds[1].push(seg.y);\n    }\n  }\n\n  const x = Math.min.apply(null, bounds[0]);\n  const w = Math.max.apply(null, bounds[0]) - x;\n  const y = Math.min.apply(null, bounds[1]);\n  const h = Math.max.apply(null, bounds[1]) - y;\n  return {\n    x,\n    y,\n    width: w,\n    height: h\n  };\n};\n\n/**\n* Get the given/selected element's bounding box object, checking for\n* horizontal/vertical lines (see issue 717)\n* Note that performance is currently terrible, so some way to improve would\n* be great.\n* @param {Element} selected - Container or `<use>` DOM element\n* @returns {DOMRect} Bounding box object\n*/\nfunction groupBBFix (selected) {\n  if (supportsHVLineContainerBBox()) {\n    try { return selected.getBBox(); } catch (e) {}\n  }\n  const ref = $.data(selected, 'ref');\n  let matched = null;\n  let ret, copy;\n\n  if (ref) {\n    copy = $(ref).children().clone().attr('visibility', 'hidden');\n    $(svgroot_).append(copy);\n    matched = copy.filter('line, path');\n  } else {\n    matched = $(selected).find('line, path');\n  }\n\n  let issue = false;\n  if (matched.length) {\n    matched.each(function () {\n      const bb = this.getBBox();\n      if (!bb.width || !bb.height) {\n        issue = true;\n      }\n    });\n    if (issue) {\n      const elems = ref ? copy : $(selected).children();\n      ret = getStrokedBBox(elems);\n    } else {\n      ret = selected.getBBox();\n    }\n  } else {\n    ret = selected.getBBox();\n  }\n  if (ref) {\n    copy.remove();\n  }\n  return ret;\n}\n\n/**\n* Get the given/selected element's bounding box object, convert it to be more\n* usable when necessary\n* @function module:utilities.getBBox\n* @param {Element} elem - Optional DOM element to get the BBox for\n* @returns {module:utilities.BBoxObject} Bounding box object\n*/\nexport const getBBox = function (elem) {\n  const selected = elem || editorContext_.geSelectedElements()[0];\n  if (elem.nodeType !== 1) { return null; }\n  const elname = selected.nodeName;\n\n  let ret = null;\n  switch (elname) {\n  case 'text':\n    if (selected.textContent === '') {\n      selected.textContent = 'a'; // Some character needed for the selector to use.\n      ret = selected.getBBox();\n      selected.textContent = '';\n    } else {\n      if (selected.getBBox) { ret = selected.getBBox(); }\n    }\n    break;\n  case 'path':\n    if (!supportsPathBBox()) {\n      ret = getPathBBox(selected);\n    } else {\n      if (selected.getBBox) { ret = selected.getBBox(); }\n    }\n    break;\n  case 'g':\n  case 'a':\n    ret = groupBBFix(selected);\n    break;\n  default:\n\n    if (elname === 'use') {\n      ret = groupBBFix(selected); // , true);\n    }\n    if (elname === 'use' || (elname === 'foreignObject' && isWebkit())) {\n      if (!ret) { ret = selected.getBBox(); }\n      // This is resolved in later versions of webkit, perhaps we should\n      // have a featured detection for correct 'use' behavior?\n      // ——————————\n      if (!isWebkit()) {\n        const bb = {};\n        bb.width = ret.width;\n        bb.height = ret.height;\n        bb.x = ret.x + parseFloat(selected.getAttribute('x') || 0);\n        bb.y = ret.y + parseFloat(selected.getAttribute('y') || 0);\n        ret = bb;\n      }\n    } else if (visElemsArr.includes(elname)) {\n      if (selected) {\n        try {\n          ret = selected.getBBox();\n        } catch (err) {\n          // tspan (and textPath apparently) have no `getBBox` in Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=937268\n          // Re: Chrome returning bbox for containing text element, see: https://bugs.chromium.org/p/chromium/issues/detail?id=349835\n          const extent = selected.getExtentOfChar(0); // pos+dimensions of the first glyph\n          const width = selected.getComputedTextLength(); // width of the tspan\n          ret = {\n            x: extent.x,\n            y: extent.y,\n            width,\n            height: extent.height\n          };\n        }\n      } else {\n        // Check if element is child of a foreignObject\n        const fo = $(selected).closest('foreignObject');\n        if (fo.length) {\n          if (fo[0].getBBox) {\n            ret = fo[0].getBBox();\n          }\n        }\n      }\n    }\n  }\n  if (ret) {\n    ret = bboxToObj(ret);\n  }\n\n  // get the bounding box from the DOM (which is in that element's coordinate system)\n  return ret;\n};\n\n/**\n* @typedef {GenericArray} module:utilities.PathSegmentArray\n* @property {Integer} length 2\n* @property {\"M\"|\"L\"|\"C\"|\"Z\"} 0\n* @property {Float[]} 1\n*/\n\n/**\n* Create a path 'd' attribute from path segments.\n* Each segment is an array of the form: `[singleChar, [x,y, x,y, ...]]`\n* @function module:utilities.getPathDFromSegments\n* @param {module:utilities.PathSegmentArray[]} pathSegments - An array of path segments to be converted\n* @returns {string} The converted path d attribute.\n*/\nexport const getPathDFromSegments = function (pathSegments) {\n  let d = '';\n\n  $.each(pathSegments, function (j, [singleChar, pts]) {\n    d += singleChar;\n    for (let i = 0; i < pts.length; i += 2) {\n      d += (pts[i] + ',' + pts[i + 1]) + ' ';\n    }\n  });\n\n  return d;\n};\n\n/**\n* Make a path 'd' attribute from a simple SVG element shape.\n* @function module:utilities.getPathDFromElement\n* @param {Element} elem - The element to be converted\n* @returns {string} The path d attribute or `undefined` if the element type is unknown.\n*/\nexport const getPathDFromElement = function (elem) {\n  // Possibly the cubed root of 6, but 1.81 works best\n  let num = 1.81;\n  let d, a, rx, ry;\n  switch (elem.tagName) {\n  case 'ellipse':\n  case 'circle':\n    a = $(elem).attr(['rx', 'ry', 'cx', 'cy']);\n    const {cx, cy} = a;\n    ({rx, ry} = a);\n    if (elem.tagName === 'circle') {\n      rx = ry = $(elem).attr('r');\n    }\n\n    d = getPathDFromSegments([\n      ['M', [(cx - rx), (cy)]],\n      ['C', [(cx - rx), (cy - ry / num), (cx - rx / num), (cy - ry), (cx), (cy - ry)]],\n      ['C', [(cx + rx / num), (cy - ry), (cx + rx), (cy - ry / num), (cx + rx), (cy)]],\n      ['C', [(cx + rx), (cy + ry / num), (cx + rx / num), (cy + ry), (cx), (cy + ry)]],\n      ['C', [(cx - rx / num), (cy + ry), (cx - rx), (cy + ry / num), (cx - rx), (cy)]],\n      ['Z', []]\n    ]);\n    break;\n  case 'path':\n    d = elem.getAttribute('d');\n    break;\n  case 'line':\n    a = $(elem).attr(['x1', 'y1', 'x2', 'y2']);\n    d = 'M' + a.x1 + ',' + a.y1 + 'L' + a.x2 + ',' + a.y2;\n    break;\n  case 'polyline':\n    d = 'M' + elem.getAttribute('points');\n    break;\n  case 'polygon':\n    d = 'M' + elem.getAttribute('points') + ' Z';\n    break;\n  case 'rect':\n    const r = $(elem).attr(['rx', 'ry']);\n    ({rx, ry} = r);\n    const b = elem.getBBox();\n    const {x, y} = b, w = b.width, h = b.height;\n    num = 4 - num; // Why? Because!\n\n    if (!rx && !ry) {\n      // Regular rect\n      d = getPathDFromSegments([\n        ['M', [x, y]],\n        ['L', [x + w, y]],\n        ['L', [x + w, y + h]],\n        ['L', [x, y + h]],\n        ['L', [x, y]],\n        ['Z', []]\n      ]);\n    } else {\n      d = getPathDFromSegments([\n        ['M', [x, y + ry]],\n        ['C', [x, y + ry / num, x + rx / num, y, x + rx, y]],\n        ['L', [x + w - rx, y]],\n        ['C', [x + w - rx / num, y, x + w, y + ry / num, x + w, y + ry]],\n        ['L', [x + w, y + h - ry]],\n        ['C', [x + w, y + h - ry / num, x + w - rx / num, y + h, x + w - rx, y + h]],\n        ['L', [x + rx, y + h]],\n        ['C', [x + rx / num, y + h, x, y + h - ry / num, x, y + h - ry]],\n        ['L', [x, y + ry]],\n        ['Z', []]\n      ]);\n    }\n    break;\n  default:\n    break;\n  }\n\n  return d;\n};\n\n/**\n* Get a set of attributes from an element that is useful for convertToPath.\n* @function module:utilities.getExtraAttributesForConvertToPath\n* @param {Element} elem - The element to be probed\n* @returns {PlainObject.<\"marker-start\"|\"marker-end\"|\"marker-mid\"|\"filter\"|\"clip-path\", string>} An object with attributes.\n*/\nexport const getExtraAttributesForConvertToPath = function (elem) {\n  const attrs = {};\n  // TODO: make this list global so that we can properly maintain it\n  // TODO: what about @transform, @clip-rule, @fill-rule, etc?\n  $.each(['marker-start', 'marker-end', 'marker-mid', 'filter', 'clip-path'], function () {\n    const a = elem.getAttribute(this);\n    if (a) {\n      attrs[this] = a;\n    }\n  });\n  return attrs;\n};\n\n/**\n* Get the BBox of an element-as-path\n* @function module:utilities.getBBoxOfElementAsPath\n* @param {Element} elem - The DOM element to be probed\n* @param {module:utilities.EditorContext#addSVGElementFromJson} addSVGElementFromJson - Function to add the path element to the current layer. See canvas.addSVGElementFromJson\n* @param {module:path.pathActions} pathActions - If a transform exists, `pathActions.resetOrientation()` is used. See: canvas.pathActions.\n* @returns {DOMRect|false} The resulting path's bounding box object.\n*/\nexport const getBBoxOfElementAsPath = function (elem, addSVGElementFromJson, pathActions) {\n  const path = addSVGElementFromJson({\n    element: 'path',\n    attr: getExtraAttributesForConvertToPath(elem)\n  });\n\n  const eltrans = elem.getAttribute('transform');\n  if (eltrans) {\n    path.setAttribute('transform', eltrans);\n  }\n\n  const parent = elem.parentNode;\n  if (elem.nextSibling) {\n    elem.before(path);\n  } else {\n    parent.append(path);\n  }\n\n  const d = getPathDFromElement(elem);\n  if (d) {\n    path.setAttribute('d', d);\n  } else {\n    path.remove();\n  }\n\n  // Get the correct BBox of the new path, then discard it\n  pathActions.resetOrientation(path);\n  let bb = false;\n  try {\n    bb = path.getBBox();\n  } catch (e) {\n    // Firefox fails\n  }\n  path.remove();\n  return bb;\n};\n\n/**\n* Convert selected element to a path.\n* @function module:utilities.convertToPath\n* @param {Element} elem - The DOM element to be converted\n* @param {module:utilities.SVGElementJSON} attrs - Apply attributes to new path. see canvas.convertToPath\n* @param {module:utilities.EditorContext#addSVGElementFromJson} addSVGElementFromJson - Function to add the path element to the current layer. See canvas.addSVGElementFromJson\n* @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.\n* @param {module:draw.DrawCanvasInit#clearSelection|module:path.EditorContext#clearSelection} clearSelection - see [canvas.clearSelection]{@link module:svgcanvas.SvgCanvas#clearSelection}\n* @param {module:path.EditorContext#addToSelection} addToSelection - see [canvas.addToSelection]{@link module:svgcanvas.SvgCanvas#addToSelection}\n* @param {module:history} history - see history module\n* @param {module:path.EditorContext#addCommandToHistory|module:draw.DrawCanvasInit#addCommandToHistory} addCommandToHistory - see [canvas.addCommandToHistory]{@link module:svgcanvas~addCommandToHistory}\n* @returns {SVGPathElement|null} The converted path element or null if the DOM element was not recognized.\n*/\nexport const convertToPath = function (elem, attrs, addSVGElementFromJson, pathActions, clearSelection, addToSelection, history, addCommandToHistory) {\n  const batchCmd = new history.BatchCommand('Convert element to Path');\n\n  // Any attribute on the element not covered by the passed-in attributes\n  attrs = $.extend({}, attrs, getExtraAttributesForConvertToPath(elem));\n\n  const path = addSVGElementFromJson({\n    element: 'path',\n    attr: attrs\n  });\n\n  const eltrans = elem.getAttribute('transform');\n  if (eltrans) {\n    path.setAttribute('transform', eltrans);\n  }\n\n  const {id} = elem;\n  const parent = elem.parentNode;\n  if (elem.nextSibling) {\n    elem.before(path);\n  } else {\n    parent.append(path);\n  }\n\n  const d = getPathDFromElement(elem);\n  if (d) {\n    path.setAttribute('d', d);\n\n    // Replace the current element with the converted one\n\n    // Reorient if it has a matrix\n    if (eltrans) {\n      const tlist = getTransformList(path);\n      if (hasMatrixTransform(tlist)) {\n        pathActions.resetOrientation(path);\n      }\n    }\n\n    const {nextSibling} = elem;\n    batchCmd.addSubCommand(new history.RemoveElementCommand(elem, nextSibling, parent));\n    batchCmd.addSubCommand(new history.InsertElementCommand(path));\n\n    clearSelection();\n    elem.remove();\n    path.setAttribute('id', id);\n    path.removeAttribute('visibility');\n    addToSelection([path], true);\n\n    addCommandToHistory(batchCmd);\n\n    return path;\n  }\n  // the elem.tagName was not recognized, so no \"d\" attribute. Remove it, so we've haven't changed anything.\n  path.remove();\n  return null;\n};\n\n/**\n* Can the bbox be optimized over the native getBBox? The optimized bbox is the same as the native getBBox when\n* the rotation angle is a multiple of 90 degrees and there are no complex transforms.\n* Getting an optimized bbox can be dramatically slower, so we want to make sure it's worth it.\n*\n* The best example for this is a circle rotate 45 degrees. The circle doesn't get wider or taller when rotated\n* about it's center.\n*\n* The standard, unoptimized technique gets the native bbox of the circle, rotates the box 45 degrees, uses\n* that width and height, and applies any transforms to get the final bbox. This means the calculated bbox\n* is much wider than the original circle. If the angle had been 0, 90, 180, etc. both techniques render the\n* same bbox.\n*\n* The optimization is not needed if the rotation is a multiple 90 degrees. The default technique is to call\n* getBBox then apply the angle and any transforms.\n*\n* @param {Float} angle - The rotation angle in degrees\n* @param {boolean} hasMatrixTransform - True if there is a matrix transform\n* @returns {boolean} True if the bbox can be optimized.\n*/\nfunction bBoxCanBeOptimizedOverNativeGetBBox (angle, hasMatrixTransform) {\n  const angleModulo90 = angle % 90;\n  const closeTo90 = angleModulo90 < -89.99 || angleModulo90 > 89.99;\n  const closeTo0 = angleModulo90 > -0.001 && angleModulo90 < 0.001;\n  return hasMatrixTransform || !(closeTo0 || closeTo90);\n}\n\n/**\n* Get bounding box that includes any transforms.\n* @function module:utilities.getBBoxWithTransform\n* @param {Element} elem - The DOM element to be converted\n* @param {module:utilities.EditorContext#addSVGElementFromJson} addSVGElementFromJson - Function to add the path element to the current layer. See canvas.addSVGElementFromJson\n* @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.\n* @returns {module:utilities.BBoxObject|module:math.TransformedBox|DOMRect} A single bounding box object\n*/\nexport const getBBoxWithTransform = function (elem, addSVGElementFromJson, pathActions) {\n  // TODO: Fix issue with rotated groups. Currently they work\n  // fine in FF, but not in other browsers (same problem mentioned\n  // in Issue 339 comment #2).\n\n  let bb = getBBox(elem);\n\n  if (!bb) {\n    return null;\n  }\n\n  const tlist = getTransformList(elem);\n  const angle = getRotationAngleFromTransformList(tlist);\n  const hasMatrixXForm = hasMatrixTransform(tlist);\n\n  if (angle || hasMatrixXForm) {\n    let goodBb = false;\n    if (bBoxCanBeOptimizedOverNativeGetBBox(angle, hasMatrixXForm)) {\n      // Get the BBox from the raw path for these elements\n      // TODO: why ellipse and not circle\n      const elemNames = ['ellipse', 'path', 'line', 'polyline', 'polygon'];\n      if (elemNames.includes(elem.tagName)) {\n        bb = goodBb = getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions);\n      } else if (elem.tagName === 'rect') {\n        // Look for radius\n        const rx = elem.getAttribute('rx');\n        const ry = elem.getAttribute('ry');\n        if (rx || ry) {\n          bb = goodBb = getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions);\n        }\n      }\n    }\n\n    if (!goodBb) {\n      const {matrix} = transformListToTransform(tlist);\n      bb = transformBox(bb.x, bb.y, bb.width, bb.height, matrix).aabox;\n\n      // Old technique that was exceedingly slow with large documents.\n      //\n      // Accurate way to get BBox of rotated element in Firefox:\n      // Put element in group and get its BBox\n      //\n      // Must use clone else FF freaks out\n      // const clone = elem.cloneNode(true);\n      // const g = document.createElementNS(NS.SVG, 'g');\n      // const parent = elem.parentNode;\n      // parent.append(g);\n      // g.append(clone);\n      // const bb2 = bboxToObj(g.getBBox());\n      // g.remove();\n    }\n  }\n  return bb;\n};\n\n// TODO: This is problematic with large stroke-width and, for example, a single horizontal line. The calculated BBox extends way beyond left and right sides.\nfunction getStrokeOffsetForBBox (elem) {\n  const sw = elem.getAttribute('stroke-width');\n  return (!isNaN(sw) && elem.getAttribute('stroke') !== 'none') ? sw / 2 : 0;\n}\n\n/**\n * @typedef {PlainObject} BBox\n * @property {Integer} x The x value\n * @property {Integer} y The y value\n * @property {Float} width\n * @property {Float} height\n */\n\n/**\n* Get the bounding box for one or more stroked and/or transformed elements\n* @function module:utilities.getStrokedBBox\n* @param {Element[]} elems - Array with DOM elements to check\n* @param {module:utilities.EditorContext#addSVGElementFromJson} addSVGElementFromJson - Function to add the path element to the current layer. See canvas.addSVGElementFromJson\n* @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.\n* @returns {module:utilities.BBoxObject|module:math.TransformedBox|DOMRect} A single bounding box object\n*/\nexport const getStrokedBBox = function (elems, addSVGElementFromJson, pathActions) {\n  if (!elems || !elems.length) { return false; }\n\n  let fullBb;\n  $.each(elems, function () {\n    if (fullBb) { return; }\n    if (!this.parentNode) { return; }\n    fullBb = getBBoxWithTransform(this, addSVGElementFromJson, pathActions);\n  });\n\n  // This shouldn't ever happen...\n  if (fullBb === undefined) { return null; }\n\n  // fullBb doesn't include the stoke, so this does no good!\n  // if (elems.length == 1) return fullBb;\n\n  let maxX = fullBb.x + fullBb.width;\n  let maxY = fullBb.y + fullBb.height;\n  let minX = fullBb.x;\n  let minY = fullBb.y;\n\n  // If only one elem, don't call the potentially slow getBBoxWithTransform method again.\n  if (elems.length === 1) {\n    const offset = getStrokeOffsetForBBox(elems[0]);\n    minX -= offset;\n    minY -= offset;\n    maxX += offset;\n    maxY += offset;\n  } else {\n    $.each(elems, function (i, elem) {\n      const curBb = getBBoxWithTransform(elem, addSVGElementFromJson, pathActions);\n      if (curBb) {\n        const offset = getStrokeOffsetForBBox(elem);\n        minX = Math.min(minX, curBb.x - offset);\n        minY = Math.min(minY, curBb.y - offset);\n        // TODO: The old code had this test for max, but not min. I suspect this test should be for both min and max\n        if (elem.nodeType === 1) {\n          maxX = Math.max(maxX, curBb.x + curBb.width + offset);\n          maxY = Math.max(maxY, curBb.y + curBb.height + offset);\n        }\n      }\n    });\n  }\n\n  fullBb.x = minX;\n  fullBb.y = minY;\n  fullBb.width = maxX - minX;\n  fullBb.height = maxY - minY;\n  return fullBb;\n};\n\n/**\n* Get all elements that have a BBox (excludes `<defs>`, `<title>`, etc).\n* Note that 0-opacity, off-screen etc elements are still considered \"visible\"\n* for this function\n* @function module:utilities.getVisibleElements\n* @param {Element} parent - The parent DOM element to search within\n* @returns {Element[]} All \"visible\" elements.\n*/\nexport const getVisibleElements = function (parent) {\n  if (!parent) {\n    parent = $(editorContext_.getSVGContent()).children(); // Prevent layers from being included\n  }\n\n  const contentElems = [];\n  $(parent).children().each(function (i, elem) {\n    if (elem.getBBox) {\n      contentElems.push(elem);\n    }\n  });\n  return contentElems.reverse();\n};\n\n/**\n* Get the bounding box for one or more stroked and/or transformed elements\n* @function module:utilities.getStrokedBBoxDefaultVisible\n* @param {Element[]} elems - Array with DOM elements to check\n* @returns {module:utilities.BBoxObject} A single bounding box object\n*/\nexport const getStrokedBBoxDefaultVisible = function (elems) {\n  if (!elems) { elems = getVisibleElements(); }\n  return getStrokedBBox(\n    elems,\n    editorContext_.addSVGElementFromJson,\n    editorContext_.pathActions\n  );\n};\n\n/**\n* Get the rotation angle of the given transform list.\n* @function module:utilities.getRotationAngleFromTransformList\n* @param {SVGTransformList} tlist - List of transforms\n* @param {boolean} toRad - When true returns the value in radians rather than degrees\n* @returns {Float} The angle in degrees or radians\n*/\nexport const getRotationAngleFromTransformList = function (tlist, toRad) {\n  if (!tlist) { return 0; } // <svg> elements have no tlist\n  const N = tlist.numberOfItems;\n  for (let i = 0; i < N; ++i) {\n    const xform = tlist.getItem(i);\n    if (xform.type === 4) {\n      return toRad ? xform.angle * Math.PI / 180.0 : xform.angle;\n    }\n  }\n  return 0.0;\n};\n\n/**\n* Get the rotation angle of the given/selected DOM element\n* @function module:utilities.getRotationAngle\n* @param {Element} [elem] - DOM element to get the angle for. Default to first of selected elements.\n* @param {boolean} [toRad=false] - When true returns the value in radians rather than degrees\n* @returns {Float} The angle in degrees or radians\n*/\nexport let getRotationAngle = function (elem, toRad) {\n  const selected = elem || editorContext_.getSelectedElements()[0];\n  // find the rotation transform (if any) and set it\n  const tlist = getTransformList(selected);\n  return getRotationAngleFromTransformList(tlist, toRad);\n};\n\n/**\n* Get the reference element associated with the given attribute value\n* @function module:utilities.getRefElem\n* @param {string} attrVal - The attribute value as a string\n* @returns {Element} Reference element\n*/\nexport const getRefElem = function (attrVal) {\n  return getElem(getUrlFromAttr(attrVal).substr(1));\n};\n\n/**\n* Get a DOM element by ID within the SVG root element.\n* @function module:utilities.getElem\n* @param {string} id - String with the element's new ID\n* @returns {Element}\n*/\nexport const getElem = (supportsSelectors())\n  ? function (id) {\n    // querySelector lookup\n    return svgroot_.querySelector('#' + id);\n  } : supportsXpath()\n    ? function (id) {\n      // xpath lookup\n      return domdoc_.evaluate(\n        'svg:svg[@id=\"svgroot\"]//svg:*[@id=\"' + id + '\"]',\n        domcontainer_,\n        function () { return NS.SVG; },\n        9,\n        null).singleNodeValue;\n    }\n    : function (id) {\n      // jQuery lookup: twice as slow as xpath in FF\n      return $(svgroot_).find('[id=' + id + ']')[0];\n    };\n\n/**\n* Assigns multiple attributes to an element.\n* @function module:utilities.assignAttributes\n* @param {Element} elem - DOM element to apply new attribute values to\n* @param {PlainObject.<string, string>} attrs - Object with attribute keys/values\n* @param {Integer} [suspendLength] - Milliseconds to suspend redraw\n* @param {boolean} [unitCheck=false] - Boolean to indicate the need to use units.setUnitAttr\n* @returns {undefined}\n*/\nexport const assignAttributes = function (elem, attrs, suspendLength, unitCheck) {\n  for (const [key, value] of Object.entries(attrs)) {\n    const ns = (key.substr(0, 4) === 'xml:'\n      ? NS.XML\n      : key.substr(0, 6) === 'xlink:' ? NS.XLINK : null);\n\n    if (ns) {\n      elem.setAttributeNS(ns, key, value);\n    } else if (!unitCheck) {\n      elem.setAttribute(key, value);\n    } else {\n      setUnitAttr(elem, key, value);\n    }\n  }\n};\n\n/**\n* Remove unneeded (default) attributes, makes resulting SVG smaller\n* @function module:utilities.cleanupElement\n* @param {Element} element - DOM element to clean up\n* @returns {undefined}\n*/\nexport const cleanupElement = function (element) {\n  const defaults = {\n    'fill-opacity': 1,\n    'stop-opacity': 1,\n    opacity: 1,\n    stroke: 'none',\n    'stroke-dasharray': 'none',\n    'stroke-linejoin': 'miter',\n    'stroke-linecap': 'butt',\n    'stroke-opacity': 1,\n    'stroke-width': 1,\n    rx: 0,\n    ry: 0\n  };\n\n  if (element.nodeName === 'ellipse') {\n    // Ellipse elements require rx and ry attributes\n    delete defaults.rx;\n    delete defaults.ry;\n  }\n\n  for (const attr in defaults) {\n    const val = defaults[attr];\n    if (element.getAttribute(attr) === String(val)) {\n      element.removeAttribute(attr);\n    }\n  }\n};\n\n/**\n* Round value to for snapping\n* @function module:utilities.snapToGrid\n* @param {Float} value\n* @returns {Integer}\n*/\nexport const snapToGrid = function (value) {\n  const unit = editorContext_.getBaseUnit();\n  let stepSize = editorContext_.getSnappingStep();\n  if (unit !== 'px') {\n    stepSize *= getTypeMap()[unit];\n  }\n  value = Math.round(value / stepSize) * stepSize;\n  return value;\n};\n\n/**\n* Escapes special characters in a regular expression\n* @function module:utilities.regexEscape\n* @param {string} str\n* @returns {string}\n*/\nexport const regexEscape = function (str) {\n  // From: http://phpjs.org/functions\n  return String(str).replace(new RegExp('[.\\\\\\\\+*?\\\\[\\\\^\\\\]$(){}=!<>|:\\\\-]', 'g'), '\\\\$&');\n};\n\n/**\n * Prevents default browser click behaviour on the given element\n * @function module:utilities.preventClickDefault\n * @param {Element} img - The DOM element to prevent the click on\n * @returns {undefined}\n */\nexport const preventClickDefault = function (img) {\n  $(img).click(function (e) { e.preventDefault(); });\n};\n\n/**\n * @callback module:utilities.GetNextID\n * @returns {string} The ID\n */\n/**\n * Create a clone of an element, updating its ID and its children's IDs when needed\n * @function module:utilities.copyElem\n * @param {Element} el - DOM element to clone\n * @param {module:utilities.GetNextID} getNextId - The getter of the next unique ID.\n * @returns {Element} The cloned element\n */\nexport const copyElem = function (el, getNextId) {\n  // manually create a copy of the element\n  const newEl = document.createElementNS(el.namespaceURI, el.nodeName);\n  $.each(el.attributes, function (i, attr) {\n    if (attr.localName !== '-moz-math-font-style') {\n      newEl.setAttributeNS(attr.namespaceURI, attr.nodeName, attr.value);\n    }\n  });\n  // set the copied element's new id\n  newEl.removeAttribute('id');\n  newEl.id = getNextId();\n\n  // Opera's \"d\" value needs to be reset for Opera/Win/non-EN\n  // Also needed for webkit (else does not keep curved segments on clone)\n  if (isWebkit() && el.nodeName === 'path') {\n    const fixedD = convertPath(el);\n    newEl.setAttribute('d', fixedD);\n  }\n\n  // now create copies of all children\n  $.each(el.childNodes, function (i, child) {\n    switch (child.nodeType) {\n    case 1: // element node\n      newEl.append(copyElem(child, getNextId));\n      break;\n    case 3: // text node\n      newEl.textContent = child.nodeValue;\n      break;\n    default:\n      break;\n    }\n  });\n\n  if ($(el).data('gsvg')) {\n    $(newEl).data('gsvg', newEl.firstChild);\n  } else if ($(el).data('symbol')) {\n    const ref = $(el).data('symbol');\n    $(newEl).data('ref', ref).data('symbol', ref);\n  } else if (newEl.tagName === 'image') {\n    preventClickDefault(newEl);\n  }\n\n  return newEl;\n};\n\n/**\n* Unit testing\n* @function module:utilities.mock\n* @returns {undefined}\n*/\nexport const mock = ({\n  getHref: getHrefUser, setHref: setHrefUser, getRotationAngle: getRotationAngleUser\n}) => {\n  getHref = getHrefUser;\n  setHref = setHrefUser;\n  getRotationAngle = getRotationAngleUser;\n};\n","/* globals jQuery */\n/**\n * Adds context menu functionality\n * @module contextmenu\n * @license Apache-2.0\n * @author Adam Bender\n */\n// Dependencies:\n// 1) jQuery (for dom injection of context menus)\n\nconst $ = jQuery;\n\nlet contextMenuExtensions = {};\n\n/**\n * Signature depends on what the user adds; in the case of our uses with\n * SVGEditor, no parameters are passed nor anything expected for a return.\n * @callback module:contextmenu.MenuItemAction\n*/\n\n/**\n* @typedef {PlainObject} module:contextmenu.MenuItem\n* @property {string} id\n* @property {string} label\n* @property {module:contextmenu.MenuItemAction} action\n*/\n\n/**\n* @param {module:contextmenu.MenuItem} menuItem\n* @returns {boolean}\n*/\nconst menuItemIsValid = function (menuItem) {\n  return menuItem && menuItem.id && menuItem.label && menuItem.action && typeof menuItem.action === 'function';\n};\n\n/**\n* @function module:contextmenu.add\n* @param {module:contextmenu.MenuItem} menuItem\n* @returns {undefined}\n*/\nexport const add = function (menuItem) {\n  // menuItem: {id, label, shortcut, action}\n  if (!menuItemIsValid(menuItem)) {\n    console.error('Menu items must be defined and have at least properties: id, label, action, where action must be a function');\n    return;\n  }\n  if (menuItem.id in contextMenuExtensions) {\n    console.error('Cannot add extension \"' + menuItem.id + '\", an extension by that name already exists\"');\n    return;\n  }\n  // Register menuItem action, see below for deferred menu dom injection\n  console.log('Registed contextmenu item: {id:' + menuItem.id + ', label:' + menuItem.label + '}');\n  contextMenuExtensions[menuItem.id] = menuItem;\n  // TODO: Need to consider how to handle custom enable/disable behavior\n};\n\n/**\n* @function module:contextmenu.hasCustomHandler\n* @param {string} handlerKey\n* @returns {boolean}\n*/\nexport const hasCustomHandler = function (handlerKey) {\n  return Boolean(contextMenuExtensions[handlerKey]);\n};\n\n/**\n* @function module:contextmenu.getCustomHandler\n* @param {string} handlerKey\n* @returns {module:contextmenu.MenuItemAction}\n*/\nexport const getCustomHandler = function (handlerKey) {\n  return contextMenuExtensions[handlerKey].action;\n};\n\n/**\n* @param {module:contextmenu.MenuItem} menuItem\n* @returns {undefined}\n*/\nconst injectExtendedContextMenuItemIntoDom = function (menuItem) {\n  if (!Object.keys(contextMenuExtensions).length) {\n    // all menuItems appear at the bottom of the menu in their own container.\n    // if this is the first extension menu we need to add the separator.\n    $('#cmenu_canvas').append(\"<li class='separator'>\");\n  }\n  const shortcut = menuItem.shortcut || '';\n  $('#cmenu_canvas').append(\"<li class='disabled'><a href='#\" + menuItem.id + \"'>\" +\n    menuItem.label + \"<span class='shortcut'>\" +\n    shortcut + '</span></a></li>');\n};\n\n/**\n* @function module:contextmenu.injectExtendedContextMenuItemsIntoDom\n* @returns {undefined}\n*/\nexport const injectExtendedContextMenuItemsIntoDom = function () {\n  for (const menuItem in contextMenuExtensions) {\n    injectExtendedContextMenuItemIntoDom(contextMenuExtensions[menuItem]);\n  }\n};\n/**\n* @function module:contextmenu.resetCustomMenus\n* @returns {undefined}\n*/\nexport const resetCustomMenus = function () { contextMenuExtensions = {}; };\n","// MIT License\n// From: https://github.com/uupaa/dynamic-import-polyfill/blob/master/importModule.js\n\n/**\n * @module importModule\n */\n\nfunction toAbsoluteURL (url) {\n  const a = document.createElement('a');\n  a.setAttribute('href', url); // <a href=\"hoge.html\">\n  return a.cloneNode(false).href; // -> \"http://example.com/hoge.html\"\n}\n\nfunction addScriptAtts (script, atts) {\n  ['id', 'class', 'type'].forEach((prop) => {\n    if (prop in atts) {\n      script[prop] = atts[prop];\n    }\n  });\n}\n\n// Additions by Brett\n/**\n* @typedef {PlainObject} module:importModule.ImportConfig\n* @property {string} global The variable name to set on `window` (when not using the modular version)\n* @property {boolean} [returnDefault=false]\n*/\n/**\n* @function module:importModule.importSetGlobalDefault\n* @param {string} url\n* @param {module:importModule.ImportConfig} config\n* @returns {*} The return depends on the export of the targeted module.\n*/\nexport async function importSetGlobalDefault (url, config) {\n  return importSetGlobal(url, {...config, returnDefault: true});\n}\n/**\n* @function module:importModule.importSetGlobal\n* @param {string} url\n* @param {module:importModule.ImportConfig} config\n* @returns {ArbitraryModule|*} The return depends on the export of the targeted module.\n*/\nexport async function importSetGlobal (url, {global, returnDefault}) {\n  // Todo: Replace calls to this function with `import()` when supported\n  const modularVersion = !('svgEditor' in window) ||\n    !window.svgEditor ||\n    window.svgEditor.modules !== false;\n  if (modularVersion) {\n    return importModule(url, undefined, {returnDefault});\n  }\n  await importScript(url);\n  return window[global];\n}\n// Addition by Brett\nexport function importScript (url, atts = {}) {\n  if (Array.isArray(url)) {\n    return Promise.all(url.map((u) => {\n      return importScript(u, atts);\n    }));\n  }\n  return new Promise((resolve, reject) => {\n    const script = document.createElement('script');\n    const destructor = () => {\n      script.onerror = null;\n      script.onload = null;\n      script.remove();\n      script.src = '';\n    };\n    script.defer = 'defer';\n    addScriptAtts(script, atts);\n    script.onerror = () => {\n      reject(new Error(`Failed to import: ${url}`));\n      destructor();\n    };\n    script.onload = () => {\n      resolve();\n      destructor();\n    };\n    script.src = url;\n\n    document.head.append(script);\n  });\n}\n\nexport function importModule (url, atts = {}, {returnDefault = false} = {}) {\n  if (Array.isArray(url)) {\n    return Promise.all(url.map((u) => {\n      return importModule(u, atts);\n    }));\n  }\n  return new Promise((resolve, reject) => {\n    const vector = '$importModule$' + Math.random().toString(32).slice(2);\n    const script = document.createElement('script');\n    const destructor = () => {\n      delete window[vector];\n      script.onerror = null;\n      script.onload = null;\n      script.remove();\n      URL.revokeObjectURL(script.src);\n      script.src = '';\n    };\n    addScriptAtts(script, atts);\n    script.defer = 'defer';\n    script.type = 'module';\n    script.onerror = () => {\n      reject(new Error(`Failed to import: ${url}`));\n      destructor();\n    };\n    script.onload = () => {\n      resolve(window[vector]);\n      destructor();\n    };\n    const absURL = toAbsoluteURL(url);\n    const loader = `import * as m from '${absURL.replace(/'/g, \"\\\\'\")}'; window.${vector} = ${returnDefault ? 'm.default || ' : ''}m;`; // export Module\n    const blob = new Blob([loader], {type: 'text/javascript'});\n    script.src = URL.createObjectURL(blob);\n\n    document.head.append(script);\n  });\n}\n\nexport default importModule;\n","/* globals jQuery */\n/**\n * Provides tools for the layer concept\n * @module layer\n * @license MIT\n *\n * @copyright 2011 Jeff Schiller, 2016 Flint O'Brien\n */\n\nimport {NS} from './namespaces.js';\nimport {toXml, walkTree} from './utilities.js';\n\nconst $ = jQuery;\n\n/**\n * This class encapsulates the concept of a layer in the drawing. It can be constructed with\n * an existing group element or, with three parameters, will create a new layer group element.\n *\n * @example\n * new Layer('name', group);          // Use the existing group for this layer.\n * new Layer('name', group, svgElem); // Create a new group and add it to the DOM after group.\n * new Layer('name', null, svgElem);  // Create a new group and add it to the DOM as the last layer.\n * @memberof module:layer\n */\nclass Layer {\n  /**\n  * @param {string} name - Layer name\n  * @param {SVGGElement|null} group - An existing SVG group element or null.\n  *     If group and no svgElem, use group for this layer.\n  *     If group and svgElem, create a new group element and insert it in the DOM after group.\n  *     If no group and svgElem, create a new group element and insert it in the DOM as the last layer.\n  * @param {SVGGElement=} svgElem - The SVG DOM element. If defined, use this to add\n  *     a new layer to the document.\n  */\n  constructor (name, group, svgElem) {\n    this.name_ = name;\n    this.group_ = svgElem ? null : group;\n\n    if (svgElem) {\n      // Create a group element with title and add it to the DOM.\n      const svgdoc = svgElem.ownerDocument;\n      this.group_ = svgdoc.createElementNS(NS.SVG, 'g');\n      const layerTitle = svgdoc.createElementNS(NS.SVG, 'title');\n      layerTitle.textContent = name;\n      this.group_.append(layerTitle);\n      if (group) {\n        $(group).after(this.group_);\n      } else {\n        svgElem.append(this.group_);\n      }\n    }\n\n    addLayerClass(this.group_);\n    walkTree(this.group_, function (e) {\n      e.setAttribute('style', 'pointer-events:inherit');\n    });\n\n    this.group_.setAttribute('style', svgElem ? 'pointer-events:all' : 'pointer-events:none');\n  }\n\n  /**\n   * Get the layer's name.\n   * @returns {string} The layer name\n   */\n  getName () {\n    return this.name_;\n  }\n\n  /**\n   * Get the group element for this layer.\n   * @returns {SVGGElement} The layer SVG group\n   */\n  getGroup () {\n    return this.group_;\n  }\n\n  /**\n   * Active this layer so it takes pointer events.\n   * @returns {undefined}\n   */\n  activate () {\n    this.group_.setAttribute('style', 'pointer-events:all');\n  }\n\n  /**\n   * Deactive this layer so it does NOT take pointer events.\n   * @returns {undefined}\n   */\n  deactivate () {\n    this.group_.setAttribute('style', 'pointer-events:none');\n  }\n\n  /**\n   * Set this layer visible or hidden based on 'visible' parameter.\n   * @param {boolean} visible - If true, make visible; otherwise, hide it.\n   * @returns {undefined}\n   */\n  setVisible (visible) {\n    const expected = visible === undefined || visible ? 'inline' : 'none';\n    const oldDisplay = this.group_.getAttribute('display');\n    if (oldDisplay !== expected) {\n      this.group_.setAttribute('display', expected);\n    }\n  }\n\n  /**\n   * Is this layer visible?\n   * @returns {boolean} True if visible.\n   */\n  isVisible () {\n    return this.group_.getAttribute('display') !== 'none';\n  }\n\n  /**\n   * Get layer opacity.\n   * @returns {Float} Opacity value.\n   */\n  getOpacity () {\n    const opacity = this.group_.getAttribute('opacity');\n    if (opacity === null || opacity === undefined) {\n      return 1;\n    }\n    return parseFloat(opacity);\n  }\n\n  /**\n   * Sets the opacity of this layer. If opacity is not a value between 0.0 and 1.0,\n   * nothing happens.\n   * @param {Float} opacity - A float value in the range 0.0-1.0\n   * @returns {undefined}\n   */\n  setOpacity (opacity) {\n    if (typeof opacity === 'number' && opacity >= 0.0 && opacity <= 1.0) {\n      this.group_.setAttribute('opacity', opacity);\n    }\n  }\n\n  /**\n   * Append children to this layer.\n   * @param {SVGGElement} children - The children to append to this layer.\n   * @returns {undefined}\n   */\n  appendChildren (children) {\n    for (let i = 0; i < children.length; ++i) {\n      this.group_.append(children[i]);\n    }\n  }\n\n  /**\n  * @returns {SVGTitleElement|null}\n  */\n  getTitleElement () {\n    const len = this.group_.childNodes.length;\n    for (let i = 0; i < len; ++i) {\n      const child = this.group_.childNodes.item(i);\n      if (child && child.tagName === 'title') {\n        return child;\n      }\n    }\n    return null;\n  }\n\n  /**\n   * Set the name of this layer.\n   * @param {string} name - The new name.\n   * @param {module:history.HistoryRecordingService} hrService - History recording service\n   * @returns {string|null} The new name if changed; otherwise, null.\n   */\n  setName (name, hrService) {\n    const previousName = this.name_;\n    name = toXml(name);\n    // now change the underlying title element contents\n    const title = this.getTitleElement();\n    if (title) {\n      $(title).empty();\n      title.textContent = name;\n      this.name_ = name;\n      if (hrService) {\n        hrService.changeElement(title, {'#text': previousName});\n      }\n      return this.name_;\n    }\n    return null;\n  }\n\n  /**\n   * Remove this layer's group from the DOM. No more functions on group can be called after this.\n   * @param {SVGGElement} children - The children to append to this layer.\n   * @returns {SVGGElement} The layer SVG group that was just removed.\n   */\n  removeGroup () {\n    const parent = this.group_.parentNode;\n    const group = parent.removeChild(this.group_);\n    this.group_ = undefined;\n    return group;\n  }\n}\n/**\n * @property {string} CLASS_NAME - class attribute assigned to all layer groups.\n */\nLayer.CLASS_NAME = 'layer';\n\n/**\n * @property {RegExp} CLASS_REGEX - Used to test presence of class Layer.CLASS_NAME\n */\nLayer.CLASS_REGEX = new RegExp('(\\\\s|^)' + Layer.CLASS_NAME + '(\\\\s|$)');\n\n/**\n * Add class `Layer.CLASS_NAME` to the element (usually `class='layer'`).\n *\n * @param {SVGGElement} elem - The SVG element to update\n * @returns {undefined}\n */\nfunction addLayerClass (elem) {\n  const classes = elem.getAttribute('class');\n  if (classes === null || classes === undefined || !classes.length) {\n    elem.setAttribute('class', Layer.CLASS_NAME);\n  } else if (!Layer.CLASS_REGEX.test(classes)) {\n    elem.setAttribute('class', classes + ' ' + Layer.CLASS_NAME);\n  }\n}\n\nexport default Layer;\n","/**\n * HistoryRecordingService component of history\n * @module history\n * @license MIT\n * @copyright 2016 Flint O'Brien\n */\n\nimport {\n  BatchCommand, MoveElementCommand, InsertElementCommand, RemoveElementCommand,\n  ChangeElementCommand\n} from './history.js';\n\n/**\n * History recording service.\n *\n * A self-contained service interface for recording history. Once injected, no other dependencies\n * or globals are required (example: UndoManager, command types, etc.). Easy to mock for unit tests.\n * Built on top of history classes in history.js.\n *\n * There is a simple start/end interface for batch commands.\n *\n * HistoryRecordingService.NO_HISTORY is a singleton that can be passed in to functions\n * that record history. This helps when the caller requires that no history be recorded.\n *\n * The following will record history: insert, batch, insert.\n * @example\n * hrService = new history.HistoryRecordingService(this.undoMgr);\n * hrService.insertElement(elem, text);         // add simple command to history.\n * hrService.startBatchCommand('create two elements');\n * hrService.changeElement(elem, attrs, text);  // add to batchCommand\n * hrService.changeElement(elem, attrs2, text); // add to batchCommand\n * hrService.endBatchCommand();                  // add batch command with two change commands to history.\n * hrService.insertElement(elem, text);         // add simple command to history.\n *\n * @example\n * // Note that all functions return this, so commands can be chained, like so:\n * hrService\n *   .startBatchCommand('create two elements')\n *   .insertElement(elem, text)\n *   .changeElement(elem, attrs, text)\n *   .endBatchCommand();\n *\n * @memberof module:history\n */\nclass HistoryRecordingService {\n  /**\n  * @param {history.UndoManager|null} undoManager - The undo manager.\n  *     A value of `null` is valid for cases where no history recording is required.\n  *     See singleton: {@link module:history.HistoryRecordingService.HistoryRecordingService.NO_HISTORY}\n  */\n  constructor (undoManager) {\n    this.undoManager_ = undoManager;\n    this.currentBatchCommand_ = null;\n    this.batchCommandStack_ = [];\n  }\n\n  /**\n   * Start a batch command so multiple commands can recorded as a single history command.\n   * Requires a corresponding call to endBatchCommand. Start and end commands can be nested.\n   *\n   * @param {string} text - Optional string describing the batch command.\n   * @returns {module:history.HistoryRecordingService}\n   */\n  startBatchCommand (text) {\n    if (!this.undoManager_) { return this; }\n    this.currentBatchCommand_ = new BatchCommand(text);\n    this.batchCommandStack_.push(this.currentBatchCommand_);\n    return this;\n  }\n\n  /**\n   * End a batch command and add it to the history or a parent batch command.\n   * @returns {module:history.HistoryRecordingService}\n   */\n  endBatchCommand () {\n    if (!this.undoManager_) { return this; }\n    if (this.currentBatchCommand_) {\n      const batchCommand = this.currentBatchCommand_;\n      this.batchCommandStack_.pop();\n      const {length} = this.batchCommandStack_;\n      this.currentBatchCommand_ = length ? this.batchCommandStack_[length - 1] : null;\n      this.addCommand_(batchCommand);\n    }\n    return this;\n  }\n\n  /**\n   * Add a MoveElementCommand to the history or current batch command\n   * @param {Element} elem - The DOM element that was moved\n   * @param {Element} oldNextSibling - The element's next sibling before it was moved\n   * @param {Element} oldParent - The element's parent before it was moved\n   * @param {string} [text] - An optional string visible to user related to this change\n   * @returns {module:history.HistoryRecordingService}\n   */\n  moveElement (elem, oldNextSibling, oldParent, text) {\n    if (!this.undoManager_) { return this; }\n    this.addCommand_(new MoveElementCommand(elem, oldNextSibling, oldParent, text));\n    return this;\n  }\n\n  /**\n   * Add an InsertElementCommand to the history or current batch command\n   * @param {Element} elem - The DOM element that was added\n   * @param {string} [text] - An optional string visible to user related to this change\n   * @returns {module:history.HistoryRecordingService}\n   */\n  insertElement (elem, text) {\n    if (!this.undoManager_) { return this; }\n    this.addCommand_(new InsertElementCommand(elem, text));\n    return this;\n  }\n\n  /**\n   * Add a RemoveElementCommand to the history or current batch command\n   * @param {Element} elem - The DOM element that was removed\n   * @param {Element} oldNextSibling - The element's next sibling before it was removed\n   * @param {Element} oldParent - The element's parent before it was removed\n   * @param {string} [text] - An optional string visible to user related to this change\n   * @returns {module:history.HistoryRecordingService}\n   */\n  removeElement (elem, oldNextSibling, oldParent, text) {\n    if (!this.undoManager_) { return this; }\n    this.addCommand_(new RemoveElementCommand(elem, oldNextSibling, oldParent, text));\n    return this;\n  }\n\n  /**\n   * Add a ChangeElementCommand to the history or current batch command\n   * @param {Element} elem - The DOM element that was changed\n   * @param {module:history.CommandAttributes} attrs - An object with the attributes to be changed and the values they had *before* the change\n   * @param {string} [text] - An optional string visible to user related to this change\n   * @returns {module:history.HistoryRecordingService}\n   */\n  changeElement (elem, attrs, text) {\n    if (!this.undoManager_) { return this; }\n    this.addCommand_(new ChangeElementCommand(elem, attrs, text));\n    return this;\n  }\n\n  /**\n   * Private function to add a command to the history or current batch command.\n   * @private\n   * @param {Command} cmd\n   * @returns {module:history.HistoryRecordingService}\n   */\n  addCommand_ (cmd) {\n    if (!this.undoManager_) { return this; }\n    if (this.currentBatchCommand_) {\n      this.currentBatchCommand_.addSubCommand(cmd);\n    } else {\n      this.undoManager_.addCommandToHistory(cmd);\n    }\n  }\n}\n/**\n * @memberof module:history.HistoryRecordingService\n * @property {module:history.HistoryRecordingService} NO_HISTORY - Singleton that can be passed to functions that record history, but the caller requires that no history be recorded.\n */\nHistoryRecordingService.NO_HISTORY = new HistoryRecordingService();\nexport default HistoryRecordingService;\n","/* globals jQuery */\n/**\n * Tools for drawing\n * @module draw\n * @license MIT\n * @copyright 2011 Jeff Schiller\n */\n\nimport Layer from './layer.js';\nimport HistoryRecordingService from './historyrecording.js';\n\nimport {NS} from './namespaces.js';\nimport {isOpera} from './browser.js';\nimport {\n  toXml, getElem,\n  copyElem as utilCopyElem\n} from './utilities.js';\nimport {\n  BatchCommand, RemoveElementCommand, MoveElementCommand, ChangeElementCommand\n} from './history.js';\n\nconst $ = jQuery;\n\nconst visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use'.split(',');\n\nconst RandomizeModes = {\n  LET_DOCUMENT_DECIDE: 0,\n  ALWAYS_RANDOMIZE: 1,\n  NEVER_RANDOMIZE: 2\n};\nlet randIds = RandomizeModes.LET_DOCUMENT_DECIDE;\n// Array with current disabled elements (for in-group editing)\nlet disabledElems = [];\n\n/**\n * Get a HistoryRecordingService.\n * @param {module:history.HistoryRecordingService} [hrService] - if exists, return it instead of creating a new service.\n * @returns {module:history.HistoryRecordingService}\n */\nfunction historyRecordingService (hrService) {\n  return hrService || new HistoryRecordingService(canvas_.undoMgr);\n}\n\n/**\n * Find the layer name in a group element.\n * @param {Element} group The group element to search in.\n * @returns {string} The layer name or empty string.\n */\nfunction findLayerNameInGroup (group) {\n  return $('title', group).text() ||\n    (isOpera() && group.querySelectorAll\n      // Hack for Opera 10.60\n      ? $(group.querySelectorAll('title')).text()\n      : '');\n}\n\n/**\n * Given a set of names, return a new unique name.\n * @param {string[]} existingLayerNames - Existing layer names.\n * @returns {string} - The new name.\n */\nfunction getNewLayerName (existingLayerNames) {\n  let i = 1;\n  // TODO(codedread): What about internationalization of \"Layer\"?\n  while (existingLayerNames.includes(('Layer ' + i))) { i++; }\n  return 'Layer ' + i;\n}\n\n/**\n * This class encapsulates the concept of a SVG-edit drawing\n */\nexport class Drawing {\n  /**\n  * @param {SVGSVGElement} svgElem - The SVG DOM Element that this JS object\n  *     encapsulates.  If the svgElem has a se:nonce attribute on it, then\n  *     IDs will use the nonce as they are generated.\n  * @param {string} [optIdPrefix=svg_] - The ID prefix to use.\n  * @throws {Error} If not initialized with an SVG element\n  */\n  constructor (svgElem, optIdPrefix) {\n    if (!svgElem || !svgElem.tagName || !svgElem.namespaceURI ||\n      svgElem.tagName !== 'svg' || svgElem.namespaceURI !== NS.SVG) {\n      throw new Error('Error: svgedit.draw.Drawing instance initialized without a <svg> element');\n    }\n\n    /**\n    * The SVG DOM Element that represents this drawing.\n    * @type {SVGSVGElement}\n    */\n    this.svgElem_ = svgElem;\n\n    /**\n    * The latest object number used in this drawing.\n    * @type {Integer}\n    */\n    this.obj_num = 0;\n\n    /**\n    * The prefix to prepend to each element id in the drawing.\n    * @type {string}\n    */\n    this.idPrefix = optIdPrefix || 'svg_';\n\n    /**\n    * An array of released element ids to immediately reuse.\n    * @type {Integer[]}\n    */\n    this.releasedNums = [];\n\n    /**\n    * The z-ordered array of Layer objects. Each layer has a name\n    * and group element.\n    * The first layer is the one at the bottom of the rendering.\n    * @type {Layer[]}\n    */\n    this.all_layers = [];\n\n    /**\n    * Map of all_layers by name.\n    *\n    * Note: Layers are ordered, but referenced externally by name; so, we need both container\n    * types depending on which function is called (i.e. all_layers and layer_map).\n    *\n    * @type {PlainObject.<string, Layer>}\n    */\n    this.layer_map = {};\n\n    /**\n    * The current layer being used.\n    * @type {Layer}\n    */\n    this.current_layer = null;\n\n    /**\n    * The nonce to use to uniquely identify elements across drawings.\n    * @type {!String}\n    */\n    this.nonce_ = '';\n    const n = this.svgElem_.getAttributeNS(NS.SE, 'nonce');\n    // If already set in the DOM, use the nonce throughout the document\n    // else, if randomizeIds(true) has been called, create and set the nonce.\n    if (!!n && randIds !== RandomizeModes.NEVER_RANDOMIZE) {\n      this.nonce_ = n;\n    } else if (randIds === RandomizeModes.ALWAYS_RANDOMIZE) {\n      this.setNonce(Math.floor(Math.random() * 100001));\n    }\n  }\n\n  /**\n   * @param {string} id Element ID to retrieve\n   * @returns {Element} SVG element within the root SVGSVGElement\n  */\n  getElem_ (id) {\n    if (this.svgElem_.querySelector) {\n      // querySelector lookup\n      return this.svgElem_.querySelector('#' + id);\n    }\n    // jQuery lookup: twice as slow as xpath in FF\n    return $(this.svgElem_).find('[id=' + id + ']')[0];\n  }\n\n  /**\n   * @returns {SVGSVGElement}\n   */\n  getSvgElem () {\n    return this.svgElem_;\n  }\n\n  /**\n   * @returns {!(string|Integer)} The previously set nonce\n   */\n  getNonce () {\n    return this.nonce_;\n  }\n\n  /**\n   * @param {!(string|Integer)} n The nonce to set\n   * @returns {undefined}\n   */\n  setNonce (n) {\n    this.svgElem_.setAttributeNS(NS.XMLNS, 'xmlns:se', NS.SE);\n    this.svgElem_.setAttributeNS(NS.SE, 'se:nonce', n);\n    this.nonce_ = n;\n  }\n\n  /**\n   * Clears any previously set nonce\n   * @returns {undefined}\n   */\n  clearNonce () {\n    // We deliberately leave any se:nonce attributes alone,\n    // we just don't use it to randomize ids.\n    this.nonce_ = '';\n  }\n\n  /**\n   * Returns the latest object id as a string.\n   * @returns {string} The latest object Id.\n   */\n  getId () {\n    return this.nonce_\n      ? this.idPrefix + this.nonce_ + '_' + this.obj_num\n      : this.idPrefix + this.obj_num;\n  }\n\n  /**\n   * Returns the next object Id as a string.\n   * @returns {string} The next object Id to use.\n   */\n  getNextId () {\n    const oldObjNum = this.obj_num;\n    let restoreOldObjNum = false;\n\n    // If there are any released numbers in the release stack,\n    // use the last one instead of the next obj_num.\n    // We need to temporarily use obj_num as that is what getId() depends on.\n    if (this.releasedNums.length > 0) {\n      this.obj_num = this.releasedNums.pop();\n      restoreOldObjNum = true;\n    } else {\n      // If we are not using a released id, then increment the obj_num.\n      this.obj_num++;\n    }\n\n    // Ensure the ID does not exist.\n    let id = this.getId();\n    while (this.getElem_(id)) {\n      if (restoreOldObjNum) {\n        this.obj_num = oldObjNum;\n        restoreOldObjNum = false;\n      }\n      this.obj_num++;\n      id = this.getId();\n    }\n    // Restore the old object number if required.\n    if (restoreOldObjNum) {\n      this.obj_num = oldObjNum;\n    }\n    return id;\n  }\n\n  /**\n   * Releases the object Id, letting it be used as the next id in getNextId().\n   * This method DOES NOT remove any elements from the DOM, it is expected\n   * that client code will do this.\n   * @param {string} id - The id to release.\n   * @returns {boolean} True if the id was valid to be released, false otherwise.\n  */\n  releaseId (id) {\n    // confirm if this is a valid id for this Document, else return false\n    const front = this.idPrefix + (this.nonce_ ? this.nonce_ + '_' : '');\n    if (typeof id !== 'string' || !id.startsWith(front)) {\n      return false;\n    }\n    // extract the obj_num of this id\n    const num = parseInt(id.substr(front.length), 10);\n\n    // if we didn't get a positive number or we already released this number\n    // then return false.\n    if (typeof num !== 'number' || num <= 0 || this.releasedNums.includes(num)) {\n      return false;\n    }\n\n    // push the released number into the released queue\n    this.releasedNums.push(num);\n\n    return true;\n  }\n\n  /**\n   * Returns the number of layers in the current drawing.\n   * @returns {Integer} The number of layers in the current drawing.\n  */\n  getNumLayers () {\n    return this.all_layers.length;\n  }\n\n  /**\n   * Check if layer with given name already exists\n   * @param {string} name - The layer name to check\n   * @returns {boolean}\n  */\n  hasLayer (name) {\n    return this.layer_map[name] !== undefined;\n  }\n\n  /**\n   * Returns the name of the ith layer. If the index is out of range, an empty string is returned.\n   * @param {Integer} i - The zero-based index of the layer you are querying.\n   * @returns {string} The name of the ith layer (or the empty string if none found)\n  */\n  getLayerName (i) {\n    return i >= 0 && i < this.getNumLayers() ? this.all_layers[i].getName() : '';\n  }\n\n  /**\n   * @returns {SVGGElement|null} The SVGGElement representing the current layer.\n   */\n  getCurrentLayer () {\n    return this.current_layer ? this.current_layer.getGroup() : null;\n  }\n\n  /**\n   * Get a layer by name.\n   * @returns {SVGGElement} The SVGGElement representing the named layer or null.\n   */\n  getLayerByName (name) {\n    const layer = this.layer_map[name];\n    return layer ? layer.getGroup() : null;\n  }\n\n  /**\n   * Returns the name of the currently selected layer. If an error occurs, an empty string\n   * is returned.\n   * @returns {string} The name of the currently active layer (or the empty string if none found).\n  */\n  getCurrentLayerName () {\n    return this.current_layer ? this.current_layer.getName() : '';\n  }\n\n  /**\n   * Set the current layer's name.\n   * @param {string} name - The new name.\n   * @param {module:history.HistoryRecordingService} hrService - History recording service\n   * @returns {string|null} The new name if changed; otherwise, null.\n   */\n  setCurrentLayerName (name, hrService) {\n    let finalName = null;\n    if (this.current_layer) {\n      const oldName = this.current_layer.getName();\n      finalName = this.current_layer.setName(name, hrService);\n      if (finalName) {\n        delete this.layer_map[oldName];\n        this.layer_map[finalName] = this.current_layer;\n      }\n    }\n    return finalName;\n  }\n\n  /**\n   * Set the current layer's position.\n   * @param {Integer} newpos - The zero-based index of the new position of the layer. Range should be 0 to layers-1\n   * @returns {{title: SVGGElement, previousName: string}|null} If the name was changed, returns {title:SVGGElement, previousName:string}; otherwise null.\n   */\n  setCurrentLayerPosition (newpos) {\n    const layerCount = this.getNumLayers();\n    if (!this.current_layer || newpos < 0 || newpos >= layerCount) {\n      return null;\n    }\n\n    let oldpos;\n    for (oldpos = 0; oldpos < layerCount; ++oldpos) {\n      if (this.all_layers[oldpos] === this.current_layer) { break; }\n    }\n    // some unknown error condition (current_layer not in all_layers)\n    if (oldpos === layerCount) { return null; }\n\n    if (oldpos !== newpos) {\n      // if our new position is below us, we need to insert before the node after newpos\n      const currentGroup = this.current_layer.getGroup();\n      const oldNextSibling = currentGroup.nextSibling;\n\n      let refGroup = null;\n      if (newpos > oldpos) {\n        if (newpos < layerCount - 1) {\n          refGroup = this.all_layers[newpos + 1].getGroup();\n        }\n      // if our new position is above us, we need to insert before the node at newpos\n      } else {\n        refGroup = this.all_layers[newpos].getGroup();\n      }\n      this.svgElem_.insertBefore(currentGroup, refGroup); // Ok to replace with `refGroup.before(currentGroup);`?\n\n      this.identifyLayers();\n      this.setCurrentLayer(this.getLayerName(newpos));\n\n      return {\n        currentGroup,\n        oldNextSibling\n      };\n    }\n    return null;\n  }\n\n  /**\n  * @param {module:history.HistoryRecordingService} hrService\n  * @returns {undefined}\n  */\n  mergeLayer (hrService) {\n    const currentGroup = this.current_layer.getGroup();\n    const prevGroup = $(currentGroup).prev()[0];\n    if (!prevGroup) { return; }\n\n    hrService.startBatchCommand('Merge Layer');\n\n    const layerNextSibling = currentGroup.nextSibling;\n    hrService.removeElement(currentGroup, layerNextSibling, this.svgElem_);\n\n    while (currentGroup.firstChild) {\n      const child = currentGroup.firstChild;\n      if (child.localName === 'title') {\n        hrService.removeElement(child, child.nextSibling, currentGroup);\n        child.remove();\n        continue;\n      }\n      const oldNextSibling = child.nextSibling;\n      prevGroup.append(child);\n      hrService.moveElement(child, oldNextSibling, currentGroup);\n    }\n\n    // Remove current layer's group\n    this.current_layer.removeGroup();\n    // Remove the current layer and set the previous layer as the new current layer\n    const index = this.all_layers.indexOf(this.current_layer);\n    if (index > 0) {\n      const name = this.current_layer.getName();\n      this.current_layer = this.all_layers[index - 1];\n      this.all_layers.splice(index, 1);\n      delete this.layer_map[name];\n    }\n\n    hrService.endBatchCommand();\n  }\n\n  /**\n  * @param {module:history.HistoryRecordingService} hrService\n  * @returns {undefined}\n  */\n  mergeAllLayers (hrService) {\n    // Set the current layer to the last layer.\n    this.current_layer = this.all_layers[this.all_layers.length - 1];\n\n    hrService.startBatchCommand('Merge all Layers');\n    while (this.all_layers.length > 1) {\n      this.mergeLayer(hrService);\n    }\n    hrService.endBatchCommand();\n  }\n\n  /**\n   * Sets the current layer. If the name is not a valid layer name, then this\n   * function returns `false`. Otherwise it returns `true`. This is not an\n   * undo-able action.\n   * @param {string} name - The name of the layer you want to switch to.\n   * @returns {boolean} `true` if the current layer was switched, otherwise `false`\n   */\n  setCurrentLayer (name) {\n    const layer = this.layer_map[name];\n    if (layer) {\n      if (this.current_layer) {\n        this.current_layer.deactivate();\n      }\n      this.current_layer = layer;\n      this.current_layer.activate();\n      return true;\n    }\n    return false;\n  }\n\n  /**\n   * Deletes the current layer from the drawing and then clears the selection.\n   * This function then calls the 'changed' handler.  This is an undoable action.\n   * @todo Does this actually call the 'changed' handler?\n   * @returns {SVGGElement} The SVGGElement of the layer removed or null.\n   */\n  deleteCurrentLayer () {\n    if (this.current_layer && this.getNumLayers() > 1) {\n      const oldLayerGroup = this.current_layer.removeGroup();\n      this.identifyLayers();\n      return oldLayerGroup;\n    }\n    return null;\n  }\n\n  /**\n   * Updates layer system and sets the current layer to the\n   * top-most layer (last `<g>` child of this drawing).\n   * @returns {undefined}\n  */\n  identifyLayers () {\n    this.all_layers = [];\n    this.layer_map = {};\n    const numchildren = this.svgElem_.childNodes.length;\n    // loop through all children of SVG element\n    const orphans = [], layernames = [];\n    let layer = null;\n    let childgroups = false;\n    for (let i = 0; i < numchildren; ++i) {\n      const child = this.svgElem_.childNodes.item(i);\n      // for each g, find its layer name\n      if (child && child.nodeType === 1) {\n        if (child.tagName === 'g') {\n          childgroups = true;\n          const name = findLayerNameInGroup(child);\n          if (name) {\n            layernames.push(name);\n            layer = new Layer(name, child);\n            this.all_layers.push(layer);\n            this.layer_map[name] = layer;\n          } else {\n            // if group did not have a name, it is an orphan\n            orphans.push(child);\n          }\n        } else if (visElems.includes(child.nodeName)) {\n          // Child is \"visible\" (i.e. not a <title> or <defs> element), so it is an orphan\n          orphans.push(child);\n        }\n      }\n    }\n\n    // If orphans or no layers found, create a new layer and add all the orphans to it\n    if (orphans.length > 0 || !childgroups) {\n      layer = new Layer(getNewLayerName(layernames), null, this.svgElem_);\n      layer.appendChildren(orphans);\n      this.all_layers.push(layer);\n      this.layer_map[name] = layer;\n    } else {\n      layer.activate();\n    }\n    this.current_layer = layer;\n  }\n\n  /**\n   * Creates a new top-level layer in the drawing with the given name and\n   * makes it the current layer.\n   * @param {string} name - The given name. If the layer name exists, a new name will be generated.\n   * @param {module:history.HistoryRecordingService} hrService - History recording service\n   * @returns {SVGGElement} The SVGGElement of the new layer, which is\n   *     also the current layer of this drawing.\n  */\n  createLayer (name, hrService) {\n    if (this.current_layer) {\n      this.current_layer.deactivate();\n    }\n    // Check for duplicate name.\n    if (name === undefined || name === null || name === '' || this.layer_map[name]) {\n      name = getNewLayerName(Object.keys(this.layer_map));\n    }\n\n    // Crate new layer and add to DOM as last layer\n    const layer = new Layer(name, null, this.svgElem_);\n    // Like to assume hrService exists, but this is backwards compatible with old version of createLayer.\n    if (hrService) {\n      hrService.startBatchCommand('Create Layer');\n      hrService.insertElement(layer.getGroup());\n      hrService.endBatchCommand();\n    }\n\n    this.all_layers.push(layer);\n    this.layer_map[name] = layer;\n    this.current_layer = layer;\n    return layer.getGroup();\n  }\n\n  /**\n   * Creates a copy of the current layer with the given name and makes it the current layer.\n   * @param {string} name - The given name. If the layer name exists, a new name will be generated.\n   * @param {module:history.HistoryRecordingService} hrService - History recording service\n   * @returns {SVGGElement} The SVGGElement of the new layer, which is\n   *     also the current layer of this drawing.\n  */\n  cloneLayer (name, hrService) {\n    if (!this.current_layer) { return null; }\n    this.current_layer.deactivate();\n    // Check for duplicate name.\n    if (name === undefined || name === null || name === '' || this.layer_map[name]) {\n      name = getNewLayerName(Object.keys(this.layer_map));\n    }\n\n    // Create new group and add to DOM just after current_layer\n    const currentGroup = this.current_layer.getGroup();\n    const layer = new Layer(name, currentGroup, this.svgElem_);\n    const group = layer.getGroup();\n\n    // Clone children\n    const children = currentGroup.childNodes;\n    for (let index = 0; index < children.length; index++) {\n      const ch = children[index];\n      if (ch.localName === 'title') { continue; }\n      group.append(this.copyElem(ch));\n    }\n\n    if (hrService) {\n      hrService.startBatchCommand('Duplicate Layer');\n      hrService.insertElement(group);\n      hrService.endBatchCommand();\n    }\n\n    // Update layer containers and current_layer.\n    const index = this.all_layers.indexOf(this.current_layer);\n    if (index >= 0) {\n      this.all_layers.splice(index + 1, 0, layer);\n    } else {\n      this.all_layers.push(layer);\n    }\n    this.layer_map[name] = layer;\n    this.current_layer = layer;\n    return group;\n  }\n\n  /**\n   * Returns whether the layer is visible.  If the layer name is not valid,\n   * then this function returns `false`.\n   * @param {string} layerName - The name of the layer which you want to query.\n   * @returns {boolean} The visibility state of the layer, or `false` if the layer name was invalid.\n  */\n  getLayerVisibility (layerName) {\n    const layer = this.layer_map[layerName];\n    return layer ? layer.isVisible() : false;\n  }\n\n  /**\n   * Sets the visibility of the layer. If the layer name is not valid, this\n   * function returns `null`, otherwise it returns the `SVGElement` representing\n   * the layer. This is an undo-able action.\n   * @param {string} layerName - The name of the layer to change the visibility\n   * @param {boolean} bVisible - Whether the layer should be visible\n   * @returns {?SVGGElement} The SVGGElement representing the layer if the\n   *   `layerName` was valid, otherwise `null`.\n  */\n  setLayerVisibility (layerName, bVisible) {\n    if (typeof bVisible !== 'boolean') {\n      return null;\n    }\n    const layer = this.layer_map[layerName];\n    if (!layer) { return null; }\n    layer.setVisible(bVisible);\n    return layer.getGroup();\n  }\n\n  /**\n   * Returns the opacity of the given layer.  If the input name is not a layer, `null` is returned.\n   * @param {string} layerName - name of the layer on which to get the opacity\n   * @returns {?Float} The opacity value of the given layer.  This will be a value between 0.0 and 1.0, or `null`\n   * if `layerName` is not a valid layer\n  */\n  getLayerOpacity (layerName) {\n    const layer = this.layer_map[layerName];\n    if (!layer) { return null; }\n    return layer.getOpacity();\n  }\n\n  /**\n   * Sets the opacity of the given layer.  If the input name is not a layer,\n   * nothing happens. If opacity is not a value between 0.0 and 1.0, then\n   * nothing happens.\n   * NOTE: this function exists solely to apply a highlighting/de-emphasis\n   * effect to a layer. When it is possible for a user to affect the opacity\n   * of a layer, we will need to allow this function to produce an undo-able\n   * action.\n   * @param {string} layerName - Name of the layer on which to set the opacity\n   * @param {Float} opacity - A float value in the range 0.0-1.0\n   * @returns {undefined}\n  */\n  setLayerOpacity (layerName, opacity) {\n    if (typeof opacity !== 'number' || opacity < 0.0 || opacity > 1.0) {\n      return;\n    }\n    const layer = this.layer_map[layerName];\n    if (layer) {\n      layer.setOpacity(opacity);\n    }\n  }\n\n  /**\n   * Create a clone of an element, updating its ID and its children's IDs when needed\n   * @param {Element} el - DOM element to clone\n   * @returns {Element}\n   */\n  copyElem (el) {\n    const self = this;\n    const getNextIdClosure = function () { return self.getNextId(); };\n    return utilCopyElem(el, getNextIdClosure);\n  }\n}\n\n/**\n * Called to ensure that drawings will or will not have randomized ids.\n * The currentDrawing will have its nonce set if it doesn't already.\n * @function module:draw.randomizeIds\n * @param {boolean} enableRandomization - flag indicating if documents should have randomized ids\n * @param {draw.Drawing} currentDrawing\n * @returns {undefined}\n */\nexport const randomizeIds = function (enableRandomization, currentDrawing) {\n  randIds = enableRandomization === false\n    ? RandomizeModes.NEVER_RANDOMIZE\n    : RandomizeModes.ALWAYS_RANDOMIZE;\n\n  if (randIds === RandomizeModes.ALWAYS_RANDOMIZE && !currentDrawing.getNonce()) {\n    currentDrawing.setNonce(Math.floor(Math.random() * 100001));\n  } else if (randIds === RandomizeModes.NEVER_RANDOMIZE && currentDrawing.getNonce()) {\n    currentDrawing.clearNonce();\n  }\n};\n\n// Layer API Functions\n\n/**\n* Group: Layers\n*/\n\n/**\n * @see {@link https://api.jquery.com/jQuery.data/}\n * @name external:jQuery.data\n */\n\n/**\n * @interface module:draw.DrawCanvasInit\n * @property {module:path.pathActions} pathActions\n * @property {external:jQuery.data} elData\n * @property {module:history.UndoManager} undoMgr\n */\n/**\n * @function module:draw.DrawCanvasInit#getCurrentGroup\n * @returns {Element}\n */\n/**\n * @function module:draw.DrawCanvasInit#setCurrentGroup\n * @param {Element} cg\n * @returns {undefined}\n*/\n/**\n * @function module:draw.DrawCanvasInit#getSelectedElements\n * @returns {Element[]} the array with selected DOM elements\n*/\n/**\n * @function module:draw.DrawCanvasInit#getSVGContent\n * @returns {SVGSVGElement}\n */\n/**\n * @function module:draw.DrawCanvasInit#getCurrentDrawing\n * @returns {module:draw.Drawing}\n */\n/**\n * @function module:draw.DrawCanvasInit#clearSelection\n * @param {boolean} [noCall] - When `true`, does not call the \"selected\" handler\n * @returns {undefined}\n*/\n/**\n * Run the callback function associated with the given event\n * @function module:draw.DrawCanvasInit#call\n * @param {\"changed\"|\"contextset\"} ev - String with the event name\n * @param {module:svgcanvas.SvgCanvas#event:changed|module:svgcanvas.SvgCanvas#event:contextset} arg - Argument to pass through to the callback\n * function. If the event is \"changed\", a (single-item) array of `Element`s is\n * passed. If the event is \"contextset\", the arg is `null` or `Element`.\n * @returns {undefined}\n */\n/**\n * @function module:draw.DrawCanvasInit#addCommandToHistory\n * @param {Command} cmd\n * @returns {undefined}\n*/\n/**\n * @function module:draw.DrawCanvasInit#changeSVGContent\n * @returns {undefined}\n */\n\nlet canvas_;\n/**\n* @function module:draw.init\n* @param {module:draw.DrawCanvasInit} canvas\n* @returns {undefined}\n*/\nexport const init = function (canvas) {\n  canvas_ = canvas;\n};\n\n/**\n* Updates layer system\n* @function module:draw.identifyLayers\n* @returns {undefined}\n*/\nexport const identifyLayers = function () {\n  leaveContext();\n  canvas_.getCurrentDrawing().identifyLayers();\n};\n\n/**\n* Creates a new top-level layer in the drawing with the given name, sets the current layer\n* to it, and then clears the selection. This function then calls the 'changed' handler.\n* This is an undoable action.\n* @function module:draw.createLayer\n* @param {string} name - The given name\n* @param {module:history.HistoryRecordingService} hrService\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nexport const createLayer = function (name, hrService) {\n  const newLayer = canvas_.getCurrentDrawing().createLayer(\n    name,\n    historyRecordingService(hrService)\n  );\n  canvas_.clearSelection();\n  canvas_.call('changed', [newLayer]);\n};\n\n/**\n * Creates a new top-level layer in the drawing with the given name, copies all the current layer's contents\n * to it, and then clears the selection. This function then calls the 'changed' handler.\n * This is an undoable action.\n * @function module:draw.cloneLayer\n * @param {string} name - The given name. If the layer name exists, a new name will be generated.\n * @param {module:history.HistoryRecordingService} hrService - History recording service\n * @fires module:svgcanvas.SvgCanvas#event:changed\n * @returns {undefined}\n */\nexport const cloneLayer = function (name, hrService) {\n  // Clone the current layer and make the cloned layer the new current layer\n  const newLayer = canvas_.getCurrentDrawing().cloneLayer(name, historyRecordingService(hrService));\n\n  canvas_.clearSelection();\n  leaveContext();\n  canvas_.call('changed', [newLayer]);\n};\n\n/**\n* Deletes the current layer from the drawing and then clears the selection. This function\n* then calls the 'changed' handler. This is an undoable action.\n* @function module:draw.deleteCurrentLayer\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {boolean} `true` if an old layer group was found to delete\n*/\nexport const deleteCurrentLayer = function () {\n  let currentLayer = canvas_.getCurrentDrawing().getCurrentLayer();\n  const {nextSibling} = currentLayer;\n  const parent = currentLayer.parentNode;\n  currentLayer = canvas_.getCurrentDrawing().deleteCurrentLayer();\n  if (currentLayer) {\n    const batchCmd = new BatchCommand('Delete Layer');\n    // store in our Undo History\n    batchCmd.addSubCommand(new RemoveElementCommand(currentLayer, nextSibling, parent));\n    canvas_.addCommandToHistory(batchCmd);\n    canvas_.clearSelection();\n    canvas_.call('changed', [parent]);\n    return true;\n  }\n  return false;\n};\n\n/**\n* Sets the current layer. If the name is not a valid layer name, then this function returns\n* false. Otherwise it returns true. This is not an undo-able action.\n* @function module:draw.setCurrentLayer\n* @param {string} name - The name of the layer you want to switch to.\n* @returns {boolean} true if the current layer was switched, otherwise false\n*/\nexport const setCurrentLayer = function (name) {\n  const result = canvas_.getCurrentDrawing().setCurrentLayer(toXml(name));\n  if (result) {\n    canvas_.clearSelection();\n  }\n  return result;\n};\n\n/**\n* Renames the current layer. If the layer name is not valid (i.e. unique), then this function\n* does nothing and returns `false`, otherwise it returns `true`. This is an undo-able action.\n* @function module:draw.renameCurrentLayer\n* @param {string} newName - the new name you want to give the current layer. This name must\n* be unique among all layer names.\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {boolean} Whether the rename succeeded\n*/\nexport const renameCurrentLayer = function (newName) {\n  const drawing = canvas_.getCurrentDrawing();\n  const layer = drawing.getCurrentLayer();\n  if (layer) {\n    const result = drawing.setCurrentLayerName(newName, historyRecordingService());\n    if (result) {\n      canvas_.call('changed', [layer]);\n      return true;\n    }\n  }\n  return false;\n};\n\n/**\n* Changes the position of the current layer to the new value. If the new index is not valid,\n* this function does nothing and returns false, otherwise it returns true. This is an\n* undo-able action.\n* @function module:draw.setCurrentLayerPosition\n* @param {Integer} newPos - The zero-based index of the new position of the layer. This should be between\n* 0 and (number of layers - 1)\n* @returns {boolean} `true` if the current layer position was changed, `false` otherwise.\n*/\nexport const setCurrentLayerPosition = function (newPos) {\n  const drawing = canvas_.getCurrentDrawing();\n  const result = drawing.setCurrentLayerPosition(newPos);\n  if (result) {\n    canvas_.addCommandToHistory(new MoveElementCommand(result.currentGroup, result.oldNextSibling, canvas_.getSVGContent()));\n    return true;\n  }\n  return false;\n};\n\n/**\n* Sets the visibility of the layer. If the layer name is not valid, this function return\n* `false`, otherwise it returns `true`. This is an undo-able action.\n* @function module:draw.setLayerVisibility\n* @param {string} layerName - The name of the layer to change the visibility\n* @param {boolean} bVisible - Whether the layer should be visible\n* @returns {boolean} true if the layer's visibility was set, false otherwise\n*/\nexport const setLayerVisibility = function (layerName, bVisible) {\n  const drawing = canvas_.getCurrentDrawing();\n  const prevVisibility = drawing.getLayerVisibility(layerName);\n  const layer = drawing.setLayerVisibility(layerName, bVisible);\n  if (layer) {\n    const oldDisplay = prevVisibility ? 'inline' : 'none';\n    canvas_.addCommandToHistory(new ChangeElementCommand(layer, {display: oldDisplay}, 'Layer Visibility'));\n  } else {\n    return false;\n  }\n\n  if (layer === drawing.getCurrentLayer()) {\n    canvas_.clearSelection();\n    canvas_.pathActions.clear();\n  }\n  // call('changed', [selected]);\n  return true;\n};\n\n/**\n* Moves the selected elements to layerName. If the name is not a valid layer name, then `false`\n* is returned. Otherwise it returns `true`. This is an undo-able action.\n* @function module:draw.moveSelectedToLayer\n* @param {string} layerName - The name of the layer you want to which you want to move the selected elements\n* @returns {boolean} Whether the selected elements were moved to the layer.\n*/\nexport const moveSelectedToLayer = function (layerName) {\n  // find the layer\n  const drawing = canvas_.getCurrentDrawing();\n  const layer = drawing.getLayerByName(layerName);\n  if (!layer) { return false; }\n\n  const batchCmd = new BatchCommand('Move Elements to Layer');\n\n  // loop for each selected element and move it\n  const selElems = canvas_.getSelectedElements();\n  let i = selElems.length;\n  while (i--) {\n    const elem = selElems[i];\n    if (!elem) { continue; }\n    const oldNextSibling = elem.nextSibling;\n    // TODO: this is pretty brittle!\n    const oldLayer = elem.parentNode;\n    layer.append(elem);\n    batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldLayer));\n  }\n\n  canvas_.addCommandToHistory(batchCmd);\n\n  return true;\n};\n\n/**\n* @function module:draw.mergeLayer\n* @param {module:history.HistoryRecordingService} hrService\n* @returns {undefined}\n*/\nexport const mergeLayer = function (hrService) {\n  canvas_.getCurrentDrawing().mergeLayer(historyRecordingService(hrService));\n  canvas_.clearSelection();\n  leaveContext();\n  canvas_.changeSVGContent();\n};\n\n/**\n* @function module:draw.mergeAllLayers\n* @param {module:history.HistoryRecordingService} hrService\n* @returns {undefined}\n*/\nexport const mergeAllLayers = function (hrService) {\n  canvas_.getCurrentDrawing().mergeAllLayers(historyRecordingService(hrService));\n  canvas_.clearSelection();\n  leaveContext();\n  canvas_.changeSVGContent();\n};\n\n/**\n* Return from a group context to the regular kind, make any previously\n* disabled elements enabled again\n* @function module:draw.leaveContext\n* @fires module:svgcanvas.SvgCanvas#event:contextset\n* @returns {undefined}\n*/\nexport const leaveContext = function () {\n  const len = disabledElems.length;\n  if (len) {\n    for (let i = 0; i < len; i++) {\n      const elem = disabledElems[i];\n      const orig = canvas_.elData(elem, 'orig_opac');\n      if (orig !== 1) {\n        elem.setAttribute('opacity', orig);\n      } else {\n        elem.removeAttribute('opacity');\n      }\n      elem.setAttribute('style', 'pointer-events: inherit');\n    }\n    disabledElems = [];\n    canvas_.clearSelection(true);\n    canvas_.call('contextset', null);\n  }\n  canvas_.setCurrentGroup(null);\n};\n\n/**\n* Set the current context (for in-group editing)\n* @function module:draw.setContext\n* @param {Element} elem\n* @fires module:svgcanvas.SvgCanvas#event:contextset\n* @returns {undefined}\n*/\nexport const setContext = function (elem) {\n  leaveContext();\n  if (typeof elem === 'string') {\n    elem = getElem(elem);\n  }\n\n  // Edit inside this group\n  canvas_.setCurrentGroup(elem);\n\n  // Disable other elements\n  $(elem).parentsUntil('#svgcontent').andSelf().siblings().each(function () {\n    const opac = this.getAttribute('opacity') || 1;\n    // Store the original's opacity\n    canvas_.elData(this, 'orig_opac', opac);\n    this.setAttribute('opacity', opac * 0.33);\n    this.setAttribute('style', 'pointer-events: none');\n    disabledElems.push(this);\n  });\n\n  canvas_.clearSelection();\n  canvas_.call('contextset', canvas_.getCurrentGroup());\n};\n\n/**\n* @memberof module:draw\n* @class Layer\n* @see {@link module:layer.Layer}\n*/\nexport {Layer};\n","/**\n * Tools for SVG sanitization\n * @module sanitize\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport {getReverseNS, NS} from './namespaces.js';\nimport {isGecko} from './browser.js';\nimport {getHref, setHref, getUrlFromAttr} from './utilities.js';\n\nconst REVERSE_NS = getReverseNS();\n\n// this defines which elements and attributes that we support\nconst svgWhiteList_ = {\n  // SVG Elements\n  a: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'mask', 'opacity', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'xlink:href', 'xlink:title'],\n  circle: ['class', 'clip-path', 'clip-rule', 'cx', 'cy', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'mask', 'opacity', 'r', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  clipPath: ['class', 'clipPathUnits', 'id'],\n  defs: [],\n  style: ['type'],\n  desc: [],\n  ellipse: ['class', 'clip-path', 'clip-rule', 'cx', 'cy', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'mask', 'opacity', 'requiredFeatures', 'rx', 'ry', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  feGaussianBlur: ['class', 'color-interpolation-filters', 'id', 'requiredFeatures', 'stdDeviation'],\n  filter: ['class', 'color-interpolation-filters', 'filterRes', 'filterUnits', 'height', 'id', 'primitiveUnits', 'requiredFeatures', 'width', 'x', 'xlink:href', 'y'],\n  foreignObject: ['class', 'font-size', 'height', 'id', 'opacity', 'requiredFeatures', 'style', 'transform', 'width', 'x', 'y'],\n  g: ['class', 'clip-path', 'clip-rule', 'id', 'display', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'font-family', 'font-size', 'font-style', 'font-weight', 'text-anchor'],\n  image: ['class', 'clip-path', 'clip-rule', 'filter', 'height', 'id', 'mask', 'opacity', 'requiredFeatures', 'style', 'systemLanguage', 'transform', 'width', 'x', 'xlink:href', 'xlink:title', 'y'],\n  line: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'x1', 'x2', 'y1', 'y2'],\n  linearGradient: ['class', 'id', 'gradientTransform', 'gradientUnits', 'requiredFeatures', 'spreadMethod', 'systemLanguage', 'x1', 'x2', 'xlink:href', 'y1', 'y2'],\n  marker: ['id', 'class', 'markerHeight', 'markerUnits', 'markerWidth', 'orient', 'preserveAspectRatio', 'refX', 'refY', 'systemLanguage', 'viewBox'],\n  mask: ['class', 'height', 'id', 'maskContentUnits', 'maskUnits', 'width', 'x', 'y'],\n  metadata: ['class', 'id'],\n  path: ['class', 'clip-path', 'clip-rule', 'd', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  pattern: ['class', 'height', 'id', 'patternContentUnits', 'patternTransform', 'patternUnits', 'requiredFeatures', 'style', 'systemLanguage', 'viewBox', 'width', 'x', 'xlink:href', 'y'],\n  polygon: ['class', 'clip-path', 'clip-rule', 'id', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'class', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'opacity', 'points', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  polyline: ['class', 'clip-path', 'clip-rule', 'id', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'opacity', 'points', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  radialGradient: ['class', 'cx', 'cy', 'fx', 'fy', 'gradientTransform', 'gradientUnits', 'id', 'r', 'requiredFeatures', 'spreadMethod', 'systemLanguage', 'xlink:href'],\n  rect: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'height', 'id', 'mask', 'opacity', 'requiredFeatures', 'rx', 'ry', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'width', 'x', 'y'],\n  stop: ['class', 'id', 'offset', 'requiredFeatures', 'stop-color', 'stop-opacity', 'style', 'systemLanguage'],\n  svg: ['class', 'clip-path', 'clip-rule', 'filter', 'id', 'height', 'mask', 'preserveAspectRatio', 'requiredFeatures', 'style', 'systemLanguage', 'viewBox', 'width', 'x', 'xmlns', 'xmlns:se', 'xmlns:xlink', 'y'],\n  switch: ['class', 'id', 'requiredFeatures', 'systemLanguage'],\n  symbol: ['class', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'font-family', 'font-size', 'font-style', 'font-weight', 'id', 'opacity', 'preserveAspectRatio', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'viewBox'],\n  text: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'font-family', 'font-size', 'font-style', 'font-weight', 'id', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'text-anchor', 'transform', 'x', 'xml:space', 'y'],\n  textPath: ['class', 'id', 'method', 'requiredFeatures', 'spacing', 'startOffset', 'style', 'systemLanguage', 'transform', 'xlink:href'],\n  title: [],\n  tspan: ['class', 'clip-path', 'clip-rule', 'dx', 'dy', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'font-family', 'font-size', 'font-style', 'font-weight', 'id', 'mask', 'opacity', 'requiredFeatures', 'rotate', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'text-anchor', 'textLength', 'transform', 'x', 'xml:space', 'y'],\n  use: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'height', 'id', 'mask', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'transform', 'width', 'x', 'xlink:href', 'y'],\n\n  // MathML Elements\n  annotation: ['encoding'],\n  'annotation-xml': ['encoding'],\n  maction: ['actiontype', 'other', 'selection'],\n  math: ['class', 'id', 'display', 'xmlns'],\n  menclose: ['notation'],\n  merror: [],\n  mfrac: ['linethickness'],\n  mi: ['mathvariant'],\n  mmultiscripts: [],\n  mn: [],\n  mo: ['fence', 'lspace', 'maxsize', 'minsize', 'rspace', 'stretchy'],\n  mover: [],\n  mpadded: ['lspace', 'width', 'height', 'depth', 'voffset'],\n  mphantom: [],\n  mprescripts: [],\n  mroot: [],\n  mrow: ['xlink:href', 'xlink:type', 'xmlns:xlink'],\n  mspace: ['depth', 'height', 'width'],\n  msqrt: [],\n  mstyle: ['displaystyle', 'mathbackground', 'mathcolor', 'mathvariant', 'scriptlevel'],\n  msub: [],\n  msubsup: [],\n  msup: [],\n  mtable: ['align', 'columnalign', 'columnlines', 'columnspacing', 'displaystyle', 'equalcolumns', 'equalrows', 'frame', 'rowalign', 'rowlines', 'rowspacing', 'width'],\n  mtd: ['columnalign', 'columnspan', 'rowalign', 'rowspan'],\n  mtext: [],\n  mtr: ['columnalign', 'rowalign'],\n  munder: [],\n  munderover: [],\n  none: [],\n  semantics: []\n};\n\n// Produce a Namespace-aware version of svgWhitelist\nconst svgWhiteListNS_ = {};\nObject.entries(svgWhiteList_).forEach(function ([elt, atts]) {\n  const attNS = {};\n  Object.entries(atts).forEach(function ([i, att]) {\n    if (att.includes(':')) {\n      const v = att.split(':');\n      attNS[v[1]] = NS[(v[0]).toUpperCase()];\n    } else {\n      attNS[att] = att === 'xmlns' ? NS.XMLNS : null;\n    }\n  });\n  svgWhiteListNS_[elt] = attNS;\n});\n\n/**\n* Sanitizes the input node and its children.\n* It only keeps what is allowed from our whitelist defined above.\n* @function module:sanitize.sanitizeSvg\n* @param {Text|Element} node - The DOM element to be checked (we'll also check its children) or text node to be cleaned up\n* @returns {undefined}\n*/\nexport const sanitizeSvg = function (node) {\n  // Cleanup text nodes\n  if (node.nodeType === 3) { // 3 === TEXT_NODE\n    // Trim whitespace\n    node.nodeValue = node.nodeValue.replace(/^\\s+|\\s+$/g, '');\n    // Remove if empty\n    if (!node.nodeValue.length) {\n      node.remove();\n    }\n  }\n\n  // We only care about element nodes.\n  // Automatically return for all non-element nodes, such as comments, etc.\n  if (node.nodeType !== 1) { // 1 == ELEMENT_NODE\n    return;\n  }\n\n  const doc = node.ownerDocument;\n  const parent = node.parentNode;\n  // can parent ever be null here?  I think the root node's parent is the document...\n  if (!doc || !parent) {\n    return;\n  }\n\n  const allowedAttrs = svgWhiteList_[node.nodeName];\n  const allowedAttrsNS = svgWhiteListNS_[node.nodeName];\n  // if this element is supported, sanitize it\n  if (typeof allowedAttrs !== 'undefined') {\n    const seAttrs = [];\n    let i = node.attributes.length;\n    while (i--) {\n      // if the attribute is not in our whitelist, then remove it\n      // could use jQuery's inArray(), but I don't know if that's any better\n      const attr = node.attributes.item(i);\n      const attrName = attr.nodeName;\n      const attrLocalName = attr.localName;\n      const attrNsURI = attr.namespaceURI;\n      // Check that an attribute with the correct localName in the correct namespace is on\n      // our whitelist or is a namespace declaration for one of our allowed namespaces\n      if (!(allowedAttrsNS.hasOwnProperty(attrLocalName) && attrNsURI === allowedAttrsNS[attrLocalName] && attrNsURI !== NS.XMLNS) &&\n        !(attrNsURI === NS.XMLNS && REVERSE_NS[attr.value])) {\n        // TODO(codedread): Programmatically add the se: attributes to the NS-aware whitelist.\n        // Bypassing the whitelist to allow se: prefixes.\n        // Is there a more appropriate way to do this?\n        if (attrName.startsWith('se:') || attrName.startsWith('data-')) {\n          seAttrs.push([attrName, attr.value]);\n        }\n        node.removeAttributeNS(attrNsURI, attrLocalName);\n      }\n\n      // Add spaces before negative signs where necessary\n      if (isGecko()) {\n        switch (attrName) {\n        case 'transform':\n        case 'gradientTransform':\n        case 'patternTransform':\n          const val = attr.value.replace(/(\\d)-/g, '$1 -');\n          node.setAttribute(attrName, val);\n          break;\n        }\n      }\n\n      // For the style attribute, rewrite it in terms of XML presentational attributes\n      if (attrName === 'style') {\n        const props = attr.value.split(';');\n        let p = props.length;\n        while (p--) {\n          const [name, val] = props[p].split(':');\n          const styleAttrName = (name || '').trim();\n          const styleAttrVal = (val || '').trim();\n          // Now check that this attribute is supported\n          if (allowedAttrs.includes(styleAttrName)) {\n            node.setAttribute(styleAttrName, styleAttrVal);\n          }\n        }\n        node.removeAttribute('style');\n      }\n    }\n\n    Object.values(seAttrs).forEach(([att, val]) => {\n      node.setAttributeNS(NS.SE, att, val);\n    });\n\n    // for some elements that have a xlink:href, ensure the URI refers to a local element\n    // (but not for links)\n    const href = getHref(node);\n    if (href &&\n      ['filter', 'linearGradient', 'pattern',\n        'radialGradient', 'textPath', 'use'].includes(node.nodeName)) {\n      // TODO: we simply check if the first character is a #, is this bullet-proof?\n      if (href[0] !== '#') {\n        // remove the attribute (but keep the element)\n        setHref(node, '');\n        node.removeAttributeNS(NS.XLINK, 'href');\n      }\n    }\n\n    // Safari crashes on a <use> without a xlink:href, so we just remove the node here\n    if (node.nodeName === 'use' && !getHref(node)) {\n      node.remove();\n      return;\n    }\n    // if the element has attributes pointing to a non-local reference,\n    // need to remove the attribute\n    Object.values(['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'], function (attr) {\n      let val = node.getAttribute(attr);\n      if (val) {\n        val = getUrlFromAttr(val);\n        // simply check for first character being a '#'\n        if (val && val[0] !== '#') {\n          node.setAttribute(attr, '');\n          node.removeAttribute(attr);\n        }\n      }\n    });\n\n    // recurse to children\n    i = node.childNodes.length;\n    while (i--) { sanitizeSvg(node.childNodes.item(i)); }\n  // else (element not supported), remove it\n  } else {\n    // remove all children from this node and insert them before this node\n    // FIXME: in the case of animation elements this will hardly ever be correct\n    const children = [];\n    while (node.hasChildNodes()) {\n      children.push(parent.insertBefore(node.firstChild, node));\n    }\n\n    // remove this node from the document altogether\n    node.remove();\n\n    // call sanitizeSvg on each of those children\n    let i = children.length;\n    while (i--) { sanitizeSvg(children[i]); }\n  }\n};\n","/* globals jQuery */\n/**\n * Manipulating coordinates\n * @module coords\n * @license MIT\n */\n\nimport './svgpathseg.js';\nimport {\n  snapToGrid, assignAttributes, getBBox, getRefElem, findDefs\n} from './utilities.js';\nimport {\n  transformPoint, transformListToTransform, matrixMultiply, transformBox\n} from './math.js';\nimport {getTransformList} from './svgtransformlist.js';\n\nconst $ = jQuery;\n\n// this is how we map paths to our preferred relative segment types\nconst pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a',\n  'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];\n\n/**\n * @interface module:coords.EditorContext\n */\n/**\n * @function module:coords.EditorContext#getGridSnapping\n * @returns {boolean}\n */\n/**\n * @function module:coords.EditorContext#getDrawing\n * @returns {module:draw.Drawing}\n*/\n/**\n * @function module:coords.EditorContext#getSVGRoot\n * @returns {SVGSVGElement}\n*/\n\nlet editorContext_ = null;\n\n/**\n* @function module:coords.init\n* @param {module:coords.EditorContext} editorContext\n*/\nexport const init = function (editorContext) {\n  editorContext_ = editorContext;\n};\n\n/**\n * Applies coordinate changes to an element based on the given matrix\n * @function module:coords.remapElement\n * @implements {module:path.EditorContext#remapElement}\n*/\nexport const remapElement = function (selected, changes, m) {\n  const remap = function (x, y) { return transformPoint(x, y, m); },\n    scalew = function (w) { return m.a * w; },\n    scaleh = function (h) { return m.d * h; },\n    doSnapping = editorContext_.getGridSnapping() && selected.parentNode.parentNode.localName === 'svg',\n    finishUp = function () {\n      if (doSnapping) {\n        for (const o in changes) {\n          changes[o] = snapToGrid(changes[o]);\n        }\n      }\n      assignAttributes(selected, changes, 1000, true);\n    },\n    box = getBBox(selected);\n\n  for (let i = 0; i < 2; i++) {\n    const type = i === 0 ? 'fill' : 'stroke';\n    const attrVal = selected.getAttribute(type);\n    if (attrVal && attrVal.startsWith('url(')) {\n      if (m.a < 0 || m.d < 0) {\n        const grad = getRefElem(attrVal);\n        const newgrad = grad.cloneNode(true);\n        if (m.a < 0) {\n          // flip x\n          const x1 = newgrad.getAttribute('x1');\n          const x2 = newgrad.getAttribute('x2');\n          newgrad.setAttribute('x1', -(x1 - 1));\n          newgrad.setAttribute('x2', -(x2 - 1));\n        }\n\n        if (m.d < 0) {\n          // flip y\n          const y1 = newgrad.getAttribute('y1');\n          const y2 = newgrad.getAttribute('y2');\n          newgrad.setAttribute('y1', -(y1 - 1));\n          newgrad.setAttribute('y2', -(y2 - 1));\n        }\n        newgrad.id = editorContext_.getDrawing().getNextId();\n        findDefs().append(newgrad);\n        selected.setAttribute(type, 'url(#' + newgrad.id + ')');\n      }\n\n      // Not really working :(\n      // if (selected.tagName === 'path') {\n      //   reorientGrads(selected, m);\n      // }\n    }\n  }\n\n  const elName = selected.tagName;\n  if (elName === 'g' || elName === 'text' || elName === 'tspan' || elName === 'use') {\n    // if it was a translate, then just update x,y\n    if (m.a === 1 && m.b === 0 && m.c === 0 && m.d === 1 && (m.e !== 0 || m.f !== 0)) {\n      // [T][M] = [M][T']\n      // therefore [T'] = [M_inv][T][M]\n      const existing = transformListToTransform(selected).matrix,\n        tNew = matrixMultiply(existing.inverse(), m, existing);\n      changes.x = parseFloat(changes.x) + tNew.e;\n      changes.y = parseFloat(changes.y) + tNew.f;\n    } else {\n      // we just absorb all matrices into the element and don't do any remapping\n      const chlist = getTransformList(selected);\n      const mt = editorContext_.getSVGRoot().createSVGTransform();\n      mt.setMatrix(matrixMultiply(transformListToTransform(chlist).matrix, m));\n      chlist.clear();\n      chlist.appendItem(mt);\n    }\n  }\n\n  // now we have a set of changes and an applied reduced transform list\n  // we apply the changes directly to the DOM\n  switch (elName) {\n  case 'foreignObject':\n  case 'rect':\n  case 'image': {\n    // Allow images to be inverted (give them matrix when flipped)\n    if (elName === 'image' && (m.a < 0 || m.d < 0)) {\n      // Convert to matrix\n      const chlist = getTransformList(selected);\n      const mt = editorContext_.getSVGRoot().createSVGTransform();\n      mt.setMatrix(matrixMultiply(transformListToTransform(chlist).matrix, m));\n      chlist.clear();\n      chlist.appendItem(mt);\n    } else {\n      const pt1 = remap(changes.x, changes.y);\n      changes.width = scalew(changes.width);\n      changes.height = scaleh(changes.height);\n      changes.x = pt1.x + Math.min(0, changes.width);\n      changes.y = pt1.y + Math.min(0, changes.height);\n      changes.width = Math.abs(changes.width);\n      changes.height = Math.abs(changes.height);\n    }\n    finishUp();\n    break;\n  } case 'ellipse': {\n    const c = remap(changes.cx, changes.cy);\n    changes.cx = c.x;\n    changes.cy = c.y;\n    changes.rx = scalew(changes.rx);\n    changes.ry = scaleh(changes.ry);\n    changes.rx = Math.abs(changes.rx);\n    changes.ry = Math.abs(changes.ry);\n    finishUp();\n    break;\n  } case 'circle': {\n    const c = remap(changes.cx, changes.cy);\n    changes.cx = c.x;\n    changes.cy = c.y;\n    // take the minimum of the new selected box's dimensions for the new circle radius\n    const tbox = transformBox(box.x, box.y, box.width, box.height, m);\n    const w = tbox.tr.x - tbox.tl.x, h = tbox.bl.y - tbox.tl.y;\n    changes.r = Math.min(w / 2, h / 2);\n\n    if (changes.r) { changes.r = Math.abs(changes.r); }\n    finishUp();\n    break;\n  } case 'line': {\n    const pt1 = remap(changes.x1, changes.y1);\n    const pt2 = remap(changes.x2, changes.y2);\n    changes.x1 = pt1.x;\n    changes.y1 = pt1.y;\n    changes.x2 = pt2.x;\n    changes.y2 = pt2.y;\n  } // Fallthrough\n  case 'text':\n  case 'tspan':\n  case 'use': {\n    finishUp();\n    break;\n  } case 'g': {\n    const gsvg = $(selected).data('gsvg');\n    if (gsvg) {\n      assignAttributes(gsvg, changes, 1000, true);\n    }\n    break;\n  } case 'polyline':\n  case 'polygon': {\n    const len = changes.points.length;\n    for (let i = 0; i < len; ++i) {\n      const pt = changes.points[i];\n      const {x, y} = remap(pt.x, pt.y);\n      changes.points[i].x = x;\n      changes.points[i].y = y;\n    }\n\n    // const len = changes.points.length;\n    let pstr = '';\n    for (let i = 0; i < len; ++i) {\n      const pt = changes.points[i];\n      pstr += pt.x + ',' + pt.y + ' ';\n    }\n    selected.setAttribute('points', pstr);\n    break;\n  } case 'path': {\n    const segList = selected.pathSegList;\n    let len = segList.numberOfItems;\n    changes.d = [];\n    for (let i = 0; i < len; ++i) {\n      const seg = segList.getItem(i);\n      changes.d[i] = {\n        type: seg.pathSegType,\n        x: seg.x,\n        y: seg.y,\n        x1: seg.x1,\n        y1: seg.y1,\n        x2: seg.x2,\n        y2: seg.y2,\n        r1: seg.r1,\n        r2: seg.r2,\n        angle: seg.angle,\n        largeArcFlag: seg.largeArcFlag,\n        sweepFlag: seg.sweepFlag\n      };\n    }\n\n    len = changes.d.length;\n    const firstseg = changes.d[0],\n      currentpt = remap(firstseg.x, firstseg.y);\n    changes.d[0].x = currentpt.x;\n    changes.d[0].y = currentpt.y;\n    for (let i = 1; i < len; ++i) {\n      const seg = changes.d[i];\n      const {type} = seg;\n      // if absolute or first segment, we want to remap x, y, x1, y1, x2, y2\n      // if relative, we want to scalew, scaleh\n      if (type % 2 === 0) { // absolute\n        const thisx = (seg.x !== undefined) ? seg.x : currentpt.x, // for V commands\n          thisy = (seg.y !== undefined) ? seg.y : currentpt.y; // for H commands\n        const pt = remap(thisx, thisy);\n        const pt1 = remap(seg.x1, seg.y1);\n        const pt2 = remap(seg.x2, seg.y2);\n        seg.x = pt.x;\n        seg.y = pt.y;\n        seg.x1 = pt1.x;\n        seg.y1 = pt1.y;\n        seg.x2 = pt2.x;\n        seg.y2 = pt2.y;\n        seg.r1 = scalew(seg.r1);\n        seg.r2 = scaleh(seg.r2);\n      } else { // relative\n        seg.x = scalew(seg.x);\n        seg.y = scaleh(seg.y);\n        seg.x1 = scalew(seg.x1);\n        seg.y1 = scaleh(seg.y1);\n        seg.x2 = scalew(seg.x2);\n        seg.y2 = scaleh(seg.y2);\n        seg.r1 = scalew(seg.r1);\n        seg.r2 = scaleh(seg.r2);\n      }\n    } // for each segment\n\n    let dstr = '';\n    len = changes.d.length;\n    for (let i = 0; i < len; ++i) {\n      const seg = changes.d[i];\n      const {type} = seg;\n      dstr += pathMap[type];\n      switch (type) {\n      case 13: // relative horizontal line (h)\n      case 12: // absolute horizontal line (H)\n        dstr += seg.x + ' ';\n        break;\n      case 15: // relative vertical line (v)\n      case 14: // absolute vertical line (V)\n        dstr += seg.y + ' ';\n        break;\n      case 3: // relative move (m)\n      case 5: // relative line (l)\n      case 19: // relative smooth quad (t)\n      case 2: // absolute move (M)\n      case 4: // absolute line (L)\n      case 18: // absolute smooth quad (T)\n        dstr += seg.x + ',' + seg.y + ' ';\n        break;\n      case 7: // relative cubic (c)\n      case 6: // absolute cubic (C)\n        dstr += seg.x1 + ',' + seg.y1 + ' ' + seg.x2 + ',' + seg.y2 + ' ' +\n          seg.x + ',' + seg.y + ' ';\n        break;\n      case 9: // relative quad (q)\n      case 8: // absolute quad (Q)\n        dstr += seg.x1 + ',' + seg.y1 + ' ' + seg.x + ',' + seg.y + ' ';\n        break;\n      case 11: // relative elliptical arc (a)\n      case 10: // absolute elliptical arc (A)\n        dstr += seg.r1 + ',' + seg.r2 + ' ' + seg.angle + ' ' + (+seg.largeArcFlag) +\n          ' ' + (+seg.sweepFlag) + ' ' + seg.x + ',' + seg.y + ' ';\n        break;\n      case 17: // relative smooth cubic (s)\n      case 16: // absolute smooth cubic (S)\n        dstr += seg.x2 + ',' + seg.y2 + ' ' + seg.x + ',' + seg.y + ' ';\n        break;\n      }\n    }\n\n    selected.setAttribute('d', dstr);\n    break;\n  }\n  }\n};\n","/* globals jQuery */\n/**\n * Recalculate.\n * @module recalculate\n * @license MIT\n */\n\nimport jqPluginSVG from './jQuery.attr.js'; // Needed for SVG attribute setting and array form with `attr`\nimport {NS} from './namespaces.js';\nimport {convertToNum} from './units.js';\nimport {isWebkit} from './browser.js';\nimport {getTransformList} from './svgtransformlist.js';\nimport {getRotationAngle, getHref, getBBox, getRefElem} from './utilities.js';\nimport {BatchCommand, ChangeElementCommand} from './history.js';\nimport {remapElement} from './coords.js';\nimport {\n  isIdentity, matrixMultiply, transformPoint, transformListToTransform,\n  hasMatrixTransform\n} from './math.js';\n\nconst $ = jqPluginSVG(jQuery);\n\nlet context_;\n\n/**\n* @interface module:recalculate.EditorContext\n*/\n/**\n * @function module:recalculate.EditorContext#getSVGRoot\n * @returns {SVGSVGElement} The root DOM element\n */\n/**\n * @function module:recalculate.EditorContext#getStartTransform\n * @returns {string}\n*/\n/**\n * @function module:recalculate.EditorContext#setStartTransform\n * @param {string} transform\n * @returns {undefined}\n */\n\n/**\n* @function module:recalculate.init\n* @param {module:recalculate.EditorContext} editorContext\n* @returns {undefined}\n*/\nexport const init = function (editorContext) {\n  context_ = editorContext;\n};\n\n/**\n* Updates a `<clipPath>`s values based on the given translation of an element\n* @function module:recalculate.updateClipPath\n* @param {string} attr - The clip-path attribute value with the clipPath's ID\n* @param {Float} tx - The translation's x value\n* @param {Float} ty - The translation's y value\n* @returns {undefined}\n*/\nexport const updateClipPath = function (attr, tx, ty) {\n  const path = getRefElem(attr).firstChild;\n  const cpXform = getTransformList(path);\n  const newxlate = context_.getSVGRoot().createSVGTransform();\n  newxlate.setTranslate(tx, ty);\n\n  cpXform.appendItem(newxlate);\n\n  // Update clipPath's dimensions\n  recalculateDimensions(path);\n};\n\n/**\n* Decides the course of action based on the element's transform list\n* @function module:recalculate.recalculateDimensions\n* @param {Element} selected - The DOM element to recalculate\n* @returns {Command} Undo command object with the resulting change\n*/\nexport const recalculateDimensions = function (selected) {\n  if (selected == null) { return null; }\n\n  // Firefox Issue - 1081\n  if (selected.nodeName === 'svg' && navigator.userAgent.includes('Firefox/20')) {\n    return null;\n  }\n\n  const svgroot = context_.getSVGRoot();\n  const tlist = getTransformList(selected);\n\n  // remove any unnecessary transforms\n  if (tlist && tlist.numberOfItems > 0) {\n    let k = tlist.numberOfItems;\n    const noi = k;\n    while (k--) {\n      const xform = tlist.getItem(k);\n      if (xform.type === 0) {\n        tlist.removeItem(k);\n      // remove identity matrices\n      } else if (xform.type === 1) {\n        if (isIdentity(xform.matrix)) {\n          if (noi === 1) {\n            // Overcome Chrome bug (though only when noi is 1) with\n            //    `removeItem` preventing `removeAttribute` from\n            //    subsequently working\n            // See https://bugs.chromium.org/p/chromium/issues/detail?id=843901\n            selected.removeAttribute('transform');\n            return null;\n          }\n          tlist.removeItem(k);\n        }\n      // remove zero-degree rotations\n      } else if (xform.type === 4) {\n        if (xform.angle === 0) {\n          tlist.removeItem(k);\n        }\n      }\n    }\n    // End here if all it has is a rotation\n    if (tlist.numberOfItems === 1 &&\n        getRotationAngle(selected)) { return null; }\n  }\n\n  // if this element had no transforms, we are done\n  if (!tlist || tlist.numberOfItems === 0) {\n    // Chrome apparently had a bug that requires clearing the attribute first.\n    selected.setAttribute('transform', '');\n    // However, this still next line currently doesn't work at all in Chrome\n    selected.removeAttribute('transform');\n    // selected.transform.baseVal.clear(); // Didn't help for Chrome bug\n    return null;\n  }\n\n  // TODO: Make this work for more than 2\n  if (tlist) {\n    let mxs = [];\n    let k = tlist.numberOfItems;\n    while (k--) {\n      const xform = tlist.getItem(k);\n      if (xform.type === 1) {\n        mxs.push([xform.matrix, k]);\n      } else if (mxs.length) {\n        mxs = [];\n      }\n    }\n    if (mxs.length === 2) {\n      const mNew = svgroot.createSVGTransformFromMatrix(matrixMultiply(mxs[1][0], mxs[0][0]));\n      tlist.removeItem(mxs[0][1]);\n      tlist.removeItem(mxs[1][1]);\n      tlist.insertItemBefore(mNew, mxs[1][1]);\n    }\n\n    // combine matrix + translate\n    k = tlist.numberOfItems;\n    if (k >= 2 && tlist.getItem(k - 2).type === 1 && tlist.getItem(k - 1).type === 2) {\n      const mt = svgroot.createSVGTransform();\n\n      const m = matrixMultiply(\n        tlist.getItem(k - 2).matrix,\n        tlist.getItem(k - 1).matrix);\n      mt.setMatrix(m);\n      tlist.removeItem(k - 2);\n      tlist.removeItem(k - 2);\n      tlist.appendItem(mt);\n    }\n  }\n\n  // If it still has a single [M] or [R][M], return null too (prevents BatchCommand from being returned).\n  switch (selected.tagName) {\n  // Ignore these elements, as they can absorb the [M]\n  case 'line':\n  case 'polyline':\n  case 'polygon':\n  case 'path':\n    break;\n  default:\n    if ((tlist.numberOfItems === 1 && tlist.getItem(0).type === 1) ||\n        (tlist.numberOfItems === 2 && tlist.getItem(0).type === 1 && tlist.getItem(0).type === 4)) {\n      return null;\n    }\n  }\n\n  // Grouped SVG element\n  const gsvg = $(selected).data('gsvg');\n\n  // we know we have some transforms, so set up return variable\n  const batchCmd = new BatchCommand('Transform');\n\n  // store initial values that will be affected by reducing the transform list\n  let changes = {};\n  let initial = null;\n  let attrs = [];\n  switch (selected.tagName) {\n  case 'line':\n    attrs = ['x1', 'y1', 'x2', 'y2'];\n    break;\n  case 'circle':\n    attrs = ['cx', 'cy', 'r'];\n    break;\n  case 'ellipse':\n    attrs = ['cx', 'cy', 'rx', 'ry'];\n    break;\n  case 'foreignObject':\n  case 'rect':\n  case 'image':\n    attrs = ['width', 'height', 'x', 'y'];\n    break;\n  case 'use':\n  case 'text':\n  case 'tspan':\n    attrs = ['x', 'y'];\n    break;\n  case 'polygon':\n  case 'polyline': {\n    initial = {};\n    initial.points = selected.getAttribute('points');\n    const list = selected.points;\n    const len = list.numberOfItems;\n    changes.points = new Array(len);\n    for (let i = 0; i < len; ++i) {\n      const pt = list.getItem(i);\n      changes.points[i] = {x: pt.x, y: pt.y};\n    }\n    break;\n  } case 'path':\n    initial = {};\n    initial.d = selected.getAttribute('d');\n    changes.d = selected.getAttribute('d');\n    break;\n  } // switch on element type to get initial values\n\n  if (attrs.length) {\n    changes = $(selected).attr(attrs);\n    $.each(changes, function (attr, val) {\n      changes[attr] = convertToNum(attr, val);\n    });\n  } else if (gsvg) {\n    // GSVG exception\n    changes = {\n      x: $(gsvg).attr('x') || 0,\n      y: $(gsvg).attr('y') || 0\n    };\n  }\n\n  // if we haven't created an initial array in polygon/polyline/path, then\n  // make a copy of initial values and include the transform\n  if (initial == null) {\n    initial = $.extend(true, {}, changes);\n    $.each(initial, function (attr, val) {\n      initial[attr] = convertToNum(attr, val);\n    });\n  }\n  // save the start transform value too\n  initial.transform = context_.getStartTransform() || '';\n\n  let oldcenter, newcenter;\n\n  // if it's a regular group, we have special processing to flatten transforms\n  if ((selected.tagName === 'g' && !gsvg) || selected.tagName === 'a') {\n    const box = getBBox(selected);\n\n    oldcenter = {x: box.x + box.width / 2, y: box.y + box.height / 2};\n    newcenter = transformPoint(\n      box.x + box.width / 2,\n      box.y + box.height / 2,\n      transformListToTransform(tlist).matrix\n    );\n    // let m = svgroot.createSVGMatrix();\n\n    // temporarily strip off the rotate and save the old center\n    const gangle = getRotationAngle(selected);\n    if (gangle) {\n      const a = gangle * Math.PI / 180;\n      let s;\n      if (Math.abs(a) > (1.0e-10)) {\n        s = Math.sin(a) / (1 - Math.cos(a));\n      } else {\n        // FIXME: This blows up if the angle is exactly 0!\n        s = 2 / a;\n      }\n      for (let i = 0; i < tlist.numberOfItems; ++i) {\n        const xform = tlist.getItem(i);\n        if (xform.type === 4) {\n          // extract old center through mystical arts\n          const rm = xform.matrix;\n          oldcenter.y = (s * rm.e + rm.f) / 2;\n          oldcenter.x = (rm.e - s * rm.f) / 2;\n          tlist.removeItem(i);\n          break;\n        }\n      }\n    }\n    const N = tlist.numberOfItems;\n    let tx = 0, ty = 0, operation = 0;\n\n    let firstM;\n    if (N) {\n      firstM = tlist.getItem(0).matrix;\n    }\n\n    let oldStartTransform;\n    // first, if it was a scale then the second-last transform will be it\n    if (N >= 3 && tlist.getItem(N - 2).type === 3 &&\n      tlist.getItem(N - 3).type === 2 && tlist.getItem(N - 1).type === 2) {\n      operation = 3; // scale\n\n      // if the children are unrotated, pass the scale down directly\n      // otherwise pass the equivalent matrix() down directly\n      const tm = tlist.getItem(N - 3).matrix,\n        sm = tlist.getItem(N - 2).matrix,\n        tmn = tlist.getItem(N - 1).matrix;\n\n      const children = selected.childNodes;\n      let c = children.length;\n      while (c--) {\n        const child = children.item(c);\n        tx = 0;\n        ty = 0;\n        if (child.nodeType === 1) {\n          const childTlist = getTransformList(child);\n\n          // some children might not have a transform (<metadata>, <defs>, etc)\n          if (!childTlist) { continue; }\n\n          const m = transformListToTransform(childTlist).matrix;\n\n          // Convert a matrix to a scale if applicable\n          // if (hasMatrixTransform(childTlist) && childTlist.numberOfItems == 1) {\n          //   if (m.b==0 && m.c==0 && m.e==0 && m.f==0) {\n          //     childTlist.removeItem(0);\n          //     const translateOrigin = svgroot.createSVGTransform(),\n          //       scale = svgroot.createSVGTransform(),\n          //       translateBack = svgroot.createSVGTransform();\n          //     translateOrigin.setTranslate(0, 0);\n          //     scale.setScale(m.a, m.d);\n          //     translateBack.setTranslate(0, 0);\n          //     childTlist.appendItem(translateBack);\n          //     childTlist.appendItem(scale);\n          //     childTlist.appendItem(translateOrigin);\n          //   }\n          // }\n\n          const angle = getRotationAngle(child);\n          oldStartTransform = context_.getStartTransform();\n          const childxforms = [];\n          context_.setStartTransform(child.getAttribute('transform'));\n          if (angle || hasMatrixTransform(childTlist)) {\n            const e2t = svgroot.createSVGTransform();\n            e2t.setMatrix(matrixMultiply(tm, sm, tmn, m));\n            childTlist.clear();\n            childTlist.appendItem(e2t);\n            childxforms.push(e2t);\n          // if not rotated or skewed, push the [T][S][-T] down to the child\n          } else {\n            // update the transform list with translate,scale,translate\n\n            // slide the [T][S][-T] from the front to the back\n            // [T][S][-T][M] = [M][T2][S2][-T2]\n\n            // (only bringing [-T] to the right of [M])\n            // [T][S][-T][M] = [T][S][M][-T2]\n            // [-T2] = [M_inv][-T][M]\n            const t2n = matrixMultiply(m.inverse(), tmn, m);\n            // [T2] is always negative translation of [-T2]\n            const t2 = svgroot.createSVGMatrix();\n            t2.e = -t2n.e;\n            t2.f = -t2n.f;\n\n            // [T][S][-T][M] = [M][T2][S2][-T2]\n            // [S2] = [T2_inv][M_inv][T][S][-T][M][-T2_inv]\n            const s2 = matrixMultiply(t2.inverse(), m.inverse(), tm, sm, tmn, m, t2n.inverse());\n\n            const translateOrigin = svgroot.createSVGTransform(),\n              scale = svgroot.createSVGTransform(),\n              translateBack = svgroot.createSVGTransform();\n            translateOrigin.setTranslate(t2n.e, t2n.f);\n            scale.setScale(s2.a, s2.d);\n            translateBack.setTranslate(t2.e, t2.f);\n            childTlist.appendItem(translateBack);\n            childTlist.appendItem(scale);\n            childTlist.appendItem(translateOrigin);\n            childxforms.push(translateBack);\n            childxforms.push(scale);\n            childxforms.push(translateOrigin);\n            // logMatrix(translateBack.matrix);\n            // logMatrix(scale.matrix);\n          } // not rotated\n          batchCmd.addSubCommand(recalculateDimensions(child));\n          // TODO: If any <use> have this group as a parent and are\n          // referencing this child, then we need to impose a reverse\n          // scale on it so that when it won't get double-translated\n          // const uses = selected.getElementsByTagNameNS(NS.SVG, 'use');\n          // const href = '#' + child.id;\n          // let u = uses.length;\n          // while (u--) {\n          //   const useElem = uses.item(u);\n          //   if (href == getHref(useElem)) {\n          //     const usexlate = svgroot.createSVGTransform();\n          //     usexlate.setTranslate(-tx,-ty);\n          //     getTransformList(useElem).insertItemBefore(usexlate,0);\n          //     batchCmd.addSubCommand( recalculateDimensions(useElem) );\n          //   }\n          // }\n          context_.setStartTransform(oldStartTransform);\n        } // element\n      } // for each child\n      // Remove these transforms from group\n      tlist.removeItem(N - 1);\n      tlist.removeItem(N - 2);\n      tlist.removeItem(N - 3);\n    } else if (N >= 3 && tlist.getItem(N - 1).type === 1) {\n      operation = 3; // scale\n      const m = transformListToTransform(tlist).matrix;\n      const e2t = svgroot.createSVGTransform();\n      e2t.setMatrix(m);\n      tlist.clear();\n      tlist.appendItem(e2t);\n    // next, check if the first transform was a translate\n    // if we had [ T1 ] [ M ] we want to transform this into [ M ] [ T2 ]\n    // therefore [ T2 ] = [ M_inv ] [ T1 ] [ M ]\n    } else if ((N === 1 || (N > 1 && tlist.getItem(1).type !== 3)) &&\n      tlist.getItem(0).type === 2) {\n      operation = 2; // translate\n      const T_M = transformListToTransform(tlist).matrix;\n      tlist.removeItem(0);\n      const mInv = transformListToTransform(tlist).matrix.inverse();\n      const M2 = matrixMultiply(mInv, T_M);\n\n      tx = M2.e;\n      ty = M2.f;\n\n      if (tx !== 0 || ty !== 0) {\n        // we pass the translates down to the individual children\n        const children = selected.childNodes;\n        let c = children.length;\n\n        const clipPathsDone = [];\n        while (c--) {\n          const child = children.item(c);\n          if (child.nodeType === 1) {\n            // Check if child has clip-path\n            if (child.getAttribute('clip-path')) {\n              // tx, ty\n              const attr = child.getAttribute('clip-path');\n              if (!clipPathsDone.includes(attr)) {\n                updateClipPath(attr, tx, ty);\n                clipPathsDone.push(attr);\n              }\n            }\n\n            oldStartTransform = context_.getStartTransform();\n            context_.setStartTransform(child.getAttribute('transform'));\n\n            const childTlist = getTransformList(child);\n            // some children might not have a transform (<metadata>, <defs>, etc)\n            if (childTlist) {\n              const newxlate = svgroot.createSVGTransform();\n              newxlate.setTranslate(tx, ty);\n              if (childTlist.numberOfItems) {\n                childTlist.insertItemBefore(newxlate, 0);\n              } else {\n                childTlist.appendItem(newxlate);\n              }\n              batchCmd.addSubCommand(recalculateDimensions(child));\n              // If any <use> have this group as a parent and are\n              // referencing this child, then impose a reverse translate on it\n              // so that when it won't get double-translated\n              const uses = selected.getElementsByTagNameNS(NS.SVG, 'use');\n              const href = '#' + child.id;\n              let u = uses.length;\n              while (u--) {\n                const useElem = uses.item(u);\n                if (href === getHref(useElem)) {\n                  const usexlate = svgroot.createSVGTransform();\n                  usexlate.setTranslate(-tx, -ty);\n                  getTransformList(useElem).insertItemBefore(usexlate, 0);\n                  batchCmd.addSubCommand(recalculateDimensions(useElem));\n                }\n              }\n              context_.setStartTransform(oldStartTransform);\n            }\n          }\n        }\n        context_.setStartTransform(oldStartTransform);\n      }\n    // else, a matrix imposition from a parent group\n    // keep pushing it down to the children\n    } else if (N === 1 && tlist.getItem(0).type === 1 && !gangle) {\n      operation = 1;\n      const m = tlist.getItem(0).matrix,\n        children = selected.childNodes;\n      let c = children.length;\n      while (c--) {\n        const child = children.item(c);\n        if (child.nodeType === 1) {\n          oldStartTransform = context_.getStartTransform();\n          context_.setStartTransform(child.getAttribute('transform'));\n          const childTlist = getTransformList(child);\n\n          if (!childTlist) { continue; }\n\n          const em = matrixMultiply(m, transformListToTransform(childTlist).matrix);\n          const e2m = svgroot.createSVGTransform();\n          e2m.setMatrix(em);\n          childTlist.clear();\n          childTlist.appendItem(e2m, 0);\n\n          batchCmd.addSubCommand(recalculateDimensions(child));\n          context_.setStartTransform(oldStartTransform);\n\n          // Convert stroke\n          // TODO: Find out if this should actually happen somewhere else\n          const sw = child.getAttribute('stroke-width');\n          if (child.getAttribute('stroke') !== 'none' && !isNaN(sw)) {\n            const avg = (Math.abs(em.a) + Math.abs(em.d)) / 2;\n            child.setAttribute('stroke-width', sw * avg);\n          }\n        }\n      }\n      tlist.clear();\n    // else it was just a rotate\n    } else {\n      if (gangle) {\n        const newRot = svgroot.createSVGTransform();\n        newRot.setRotate(gangle, newcenter.x, newcenter.y);\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(newRot, 0);\n        } else {\n          tlist.appendItem(newRot);\n        }\n      }\n      if (tlist.numberOfItems === 0) {\n        selected.removeAttribute('transform');\n      }\n      return null;\n    }\n\n    // if it was a translate, put back the rotate at the new center\n    if (operation === 2) {\n      if (gangle) {\n        newcenter = {\n          x: oldcenter.x + firstM.e,\n          y: oldcenter.y + firstM.f\n        };\n\n        const newRot = svgroot.createSVGTransform();\n        newRot.setRotate(gangle, newcenter.x, newcenter.y);\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(newRot, 0);\n        } else {\n          tlist.appendItem(newRot);\n        }\n      }\n    // if it was a resize\n    } else if (operation === 3) {\n      const m = transformListToTransform(tlist).matrix;\n      const roldt = svgroot.createSVGTransform();\n      roldt.setRotate(gangle, oldcenter.x, oldcenter.y);\n      const rold = roldt.matrix;\n      const rnew = svgroot.createSVGTransform();\n      rnew.setRotate(gangle, newcenter.x, newcenter.y);\n      const rnewInv = rnew.matrix.inverse(),\n        mInv = m.inverse(),\n        extrat = matrixMultiply(mInv, rnewInv, rold, m);\n\n      tx = extrat.e;\n      ty = extrat.f;\n\n      if (tx !== 0 || ty !== 0) {\n        // now push this transform down to the children\n        // we pass the translates down to the individual children\n        const children = selected.childNodes;\n        let c = children.length;\n        while (c--) {\n          const child = children.item(c);\n          if (child.nodeType === 1) {\n            oldStartTransform = context_.getStartTransform();\n            context_.setStartTransform(child.getAttribute('transform'));\n            const childTlist = getTransformList(child);\n            const newxlate = svgroot.createSVGTransform();\n            newxlate.setTranslate(tx, ty);\n            if (childTlist.numberOfItems) {\n              childTlist.insertItemBefore(newxlate, 0);\n            } else {\n              childTlist.appendItem(newxlate);\n            }\n\n            batchCmd.addSubCommand(recalculateDimensions(child));\n            context_.setStartTransform(oldStartTransform);\n          }\n        }\n      }\n\n      if (gangle) {\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(rnew, 0);\n        } else {\n          tlist.appendItem(rnew);\n        }\n      }\n    }\n  // else, it's a non-group\n  } else {\n    // FIXME: box might be null for some elements (<metadata> etc), need to handle this\n    const box = getBBox(selected);\n\n    // Paths (and possbly other shapes) will have no BBox while still in <defs>,\n    // but we still may need to recalculate them (see issue 595).\n    // TODO: Figure out how to get BBox from these elements in case they\n    // have a rotation transform\n\n    if (!box && selected.tagName !== 'path') return null;\n\n    let m; // = svgroot.createSVGMatrix();\n    // temporarily strip off the rotate and save the old center\n    const angle = getRotationAngle(selected);\n    if (angle) {\n      oldcenter = {x: box.x + box.width / 2, y: box.y + box.height / 2};\n      newcenter = transformPoint(\n        box.x + box.width / 2,\n        box.y + box.height / 2,\n        transformListToTransform(tlist).matrix\n      );\n\n      const a = angle * Math.PI / 180;\n      const s = (Math.abs(a) > (1.0e-10))\n        ? Math.sin(a) / (1 - Math.cos(a))\n        // FIXME: This blows up if the angle is exactly 0!\n        : 2 / a;\n\n      for (let i = 0; i < tlist.numberOfItems; ++i) {\n        const xform = tlist.getItem(i);\n        if (xform.type === 4) {\n          // extract old center through mystical arts\n          const rm = xform.matrix;\n          oldcenter.y = (s * rm.e + rm.f) / 2;\n          oldcenter.x = (rm.e - s * rm.f) / 2;\n          tlist.removeItem(i);\n          break;\n        }\n      }\n    }\n\n    // 2 = translate, 3 = scale, 4 = rotate, 1 = matrix imposition\n    let operation = 0;\n    const N = tlist.numberOfItems;\n\n    // Check if it has a gradient with userSpaceOnUse, in which case\n    // adjust it by recalculating the matrix transform.\n    // TODO: Make this work in Webkit using transformlist.SVGTransformList\n    if (!isWebkit()) {\n      const fill = selected.getAttribute('fill');\n      if (fill && fill.startsWith('url(')) {\n        const paint = getRefElem(fill);\n        let type = 'pattern';\n        if (paint.tagName !== type) type = 'gradient';\n        const attrVal = paint.getAttribute(type + 'Units');\n        if (attrVal === 'userSpaceOnUse') {\n          // Update the userSpaceOnUse element\n          m = transformListToTransform(tlist).matrix;\n          const gtlist = getTransformList(paint);\n          const gmatrix = transformListToTransform(gtlist).matrix;\n          m = matrixMultiply(m, gmatrix);\n          const mStr = 'matrix(' + [m.a, m.b, m.c, m.d, m.e, m.f].join(',') + ')';\n          paint.setAttribute(type + 'Transform', mStr);\n        }\n      }\n    }\n\n    // first, if it was a scale of a non-skewed element, then the second-last\n    // transform will be the [S]\n    // if we had [M][T][S][T] we want to extract the matrix equivalent of\n    // [T][S][T] and push it down to the element\n    if (N >= 3 && tlist.getItem(N - 2).type === 3 &&\n      tlist.getItem(N - 3).type === 2 && tlist.getItem(N - 1).type === 2) {\n      // Removed this so a <use> with a given [T][S][T] would convert to a matrix.\n      // Is that bad?\n      //  && selected.nodeName != 'use'\n      operation = 3; // scale\n      m = transformListToTransform(tlist, N - 3, N - 1).matrix;\n      tlist.removeItem(N - 1);\n      tlist.removeItem(N - 2);\n      tlist.removeItem(N - 3);\n    // if we had [T][S][-T][M], then this was a skewed element being resized\n    // Thus, we simply combine it all into one matrix\n    } else if (N === 4 && tlist.getItem(N - 1).type === 1) {\n      operation = 3; // scale\n      m = transformListToTransform(tlist).matrix;\n      const e2t = svgroot.createSVGTransform();\n      e2t.setMatrix(m);\n      tlist.clear();\n      tlist.appendItem(e2t);\n      // reset the matrix so that the element is not re-mapped\n      m = svgroot.createSVGMatrix();\n    // if we had [R][T][S][-T][M], then this was a rotated matrix-element\n    // if we had [T1][M] we want to transform this into [M][T2]\n    // therefore [ T2 ] = [ M_inv ] [ T1 ] [ M ] and we can push [T2]\n    // down to the element\n    } else if ((N === 1 || (N > 1 && tlist.getItem(1).type !== 3)) &&\n      tlist.getItem(0).type === 2) {\n      operation = 2; // translate\n      const oldxlate = tlist.getItem(0).matrix,\n        meq = transformListToTransform(tlist, 1).matrix,\n        meqInv = meq.inverse();\n      m = matrixMultiply(meqInv, oldxlate, meq);\n      tlist.removeItem(0);\n    // else if this child now has a matrix imposition (from a parent group)\n    // we might be able to simplify\n    } else if (N === 1 && tlist.getItem(0).type === 1 && !angle) {\n      // Remap all point-based elements\n      m = transformListToTransform(tlist).matrix;\n      switch (selected.tagName) {\n      case 'line':\n        changes = $(selected).attr(['x1', 'y1', 'x2', 'y2']);\n        // Fallthrough\n      case 'polyline':\n      case 'polygon':\n        changes.points = selected.getAttribute('points');\n        if (changes.points) {\n          const list = selected.points;\n          const len = list.numberOfItems;\n          changes.points = new Array(len);\n          for (let i = 0; i < len; ++i) {\n            const pt = list.getItem(i);\n            changes.points[i] = {x: pt.x, y: pt.y};\n          }\n        }\n        // Fallthrough\n      case 'path':\n        changes.d = selected.getAttribute('d');\n        operation = 1;\n        tlist.clear();\n        break;\n      default:\n        break;\n      }\n    // if it was a rotation, put the rotate back and return without a command\n    // (this function has zero work to do for a rotate())\n    } else {\n      // operation = 4; // rotation\n      if (angle) {\n        const newRot = svgroot.createSVGTransform();\n        newRot.setRotate(angle, newcenter.x, newcenter.y);\n\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(newRot, 0);\n        } else {\n          tlist.appendItem(newRot);\n        }\n      }\n      if (tlist.numberOfItems === 0) {\n        selected.removeAttribute('transform');\n      }\n      return null;\n    }\n\n    // if it was a translate or resize, we need to remap the element and absorb the xform\n    if (operation === 1 || operation === 2 || operation === 3) {\n      remapElement(selected, changes, m);\n    } // if we are remapping\n\n    // if it was a translate, put back the rotate at the new center\n    if (operation === 2) {\n      if (angle) {\n        if (!hasMatrixTransform(tlist)) {\n          newcenter = {\n            x: oldcenter.x + m.e,\n            y: oldcenter.y + m.f\n          };\n        }\n        const newRot = svgroot.createSVGTransform();\n        newRot.setRotate(angle, newcenter.x, newcenter.y);\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(newRot, 0);\n        } else {\n          tlist.appendItem(newRot);\n        }\n      }\n      // We have special processing for tspans:  Tspans are not transformable\n      // but they can have x,y coordinates (sigh).  Thus, if this was a translate,\n      // on a text element, also translate any tspan children.\n      if (selected.tagName === 'text') {\n        const children = selected.childNodes;\n        let c = children.length;\n        while (c--) {\n          const child = children.item(c);\n          if (child.tagName === 'tspan') {\n            const tspanChanges = {\n              x: $(child).attr('x') || 0,\n              y: $(child).attr('y') || 0\n            };\n            remapElement(child, tspanChanges, m);\n          }\n        }\n      }\n    // [Rold][M][T][S][-T] became [Rold][M]\n    // we want it to be [Rnew][M][Tr] where Tr is the\n    // translation required to re-center it\n    // Therefore, [Tr] = [M_inv][Rnew_inv][Rold][M]\n    } else if (operation === 3 && angle) {\n      const m = transformListToTransform(tlist).matrix;\n      const roldt = svgroot.createSVGTransform();\n      roldt.setRotate(angle, oldcenter.x, oldcenter.y);\n      const rold = roldt.matrix;\n      const rnew = svgroot.createSVGTransform();\n      rnew.setRotate(angle, newcenter.x, newcenter.y);\n      const rnewInv = rnew.matrix.inverse();\n      const mInv = m.inverse();\n      const extrat = matrixMultiply(mInv, rnewInv, rold, m);\n\n      remapElement(selected, changes, extrat);\n      if (angle) {\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(rnew, 0);\n        } else {\n          tlist.appendItem(rnew);\n        }\n      }\n    }\n  } // a non-group\n\n  // if the transform list has been emptied, remove it\n  if (tlist.numberOfItems === 0) {\n    selected.removeAttribute('transform');\n  }\n\n  batchCmd.addSubCommand(new ChangeElementCommand(selected, initial));\n\n  return batchCmd;\n};\n","/* globals jQuery */\n/**\n * DOM element selection box tools\n * @module select\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport {isTouch, isWebkit} from './browser.js'; // , isOpera\nimport {getRotationAngle, getBBox, getStrokedBBox} from './utilities.js';\nimport {transformListToTransform, transformBox, transformPoint} from './math.js';\nimport {getTransformList} from './svgtransformlist.js';\n\nconst $ = jQuery;\n\nlet svgFactory_;\nlet config_;\nlet selectorManager_; // A Singleton\nconst gripRadius = isTouch() ? 10 : 4;\n\n/**\n* Private class for DOM element selection boxes\n*/\nexport class Selector {\n  /**\n  * @param {Integer} id - Internally identify the selector\n  * @param {Element} elem - DOM element associated with this selector\n  * @param {module:utilities.BBoxObject} [bbox] - Optional bbox to use for initialization (prevents duplicate `getBBox` call).\n  */\n  constructor (id, elem, bbox) {\n    // this is the selector's unique number\n    this.id = id;\n\n    // this holds a reference to the element for which this selector is being used\n    this.selectedElement = elem;\n\n    // this is a flag used internally to track whether the selector is being used or not\n    this.locked = true;\n\n    // this holds a reference to the <g> element that holds all visual elements of the selector\n    this.selectorGroup = svgFactory_.createSVGElement({\n      element: 'g',\n      attr: {id: ('selectorGroup' + this.id)}\n    });\n\n    // this holds a reference to the path rect\n    this.selectorRect = this.selectorGroup.appendChild(\n      svgFactory_.createSVGElement({\n        element: 'path',\n        attr: {\n          id: ('selectedBox' + this.id),\n          fill: 'none',\n          stroke: '#22C',\n          'stroke-width': '1',\n          'stroke-dasharray': '5,5',\n          // need to specify this so that the rect is not selectable\n          style: 'pointer-events:none'\n        }\n      })\n    );\n\n    // this holds a reference to the grip coordinates for this selector\n    this.gripCoords = {\n      nw: null,\n      n: null,\n      ne: null,\n      e: null,\n      se: null,\n      s: null,\n      sw: null,\n      w: null\n    };\n\n    this.reset(this.selectedElement, bbox);\n  }\n\n  /**\n  * Used to reset the id and element that the selector is attached to\n  * @param {Element} e - DOM element associated with this selector\n  * @param {module:utilities.BBoxObject} bbox - Optional bbox to use for reset (prevents duplicate getBBox call).\n  */\n  reset (e, bbox) {\n    this.locked = true;\n    this.selectedElement = e;\n    this.resize(bbox);\n    this.selectorGroup.setAttribute('display', 'inline');\n  }\n\n  /**\n  * Updates cursors for corner grips on rotation so arrows point the right way\n  * @param {Float} angle - Current rotation angle in degrees\n  */\n  updateGripCursors (angle) {\n    let dir;\n    const dirArr = [];\n    let steps = Math.round(angle / 45);\n    if (steps < 0) { steps += 8; }\n    for (dir in selectorManager_.selectorGrips) {\n      dirArr.push(dir);\n    }\n    while (steps > 0) {\n      dirArr.push(dirArr.shift());\n      steps--;\n    }\n    let i = 0;\n    for (dir in selectorManager_.selectorGrips) {\n      selectorManager_.selectorGrips[dir].setAttribute('style', ('cursor:' + dirArr[i] + '-resize'));\n      i++;\n    }\n  }\n\n  /**\n  * Show the resize grips of this selector\n  *\n  * @param {boolean} show - Indicates whether grips should be shown or not\n  */\n  showGrips (show) {\n    const bShow = show ? 'inline' : 'none';\n    selectorManager_.selectorGripsGroup.setAttribute('display', bShow);\n    const elem = this.selectedElement;\n    this.hasGrips = show;\n    if (elem && show) {\n      this.selectorGroup.append(selectorManager_.selectorGripsGroup);\n      this.updateGripCursors(getRotationAngle(elem));\n    }\n  }\n\n  /**\n  * Updates the selector to match the element's size\n  * @param {module:utilities.BBoxObject} [bbox] - BBox to use for resize (prevents duplicate getBBox call).\n  */\n  resize (bbox) {\n    const selectedBox = this.selectorRect,\n      mgr = selectorManager_,\n      selectedGrips = mgr.selectorGrips,\n      selected = this.selectedElement,\n      sw = selected.getAttribute('stroke-width'),\n      currentZoom = svgFactory_.getCurrentZoom();\n    let offset = 1 / currentZoom;\n    if (selected.getAttribute('stroke') !== 'none' && !isNaN(sw)) {\n      offset += (sw / 2);\n    }\n\n    const {tagName} = selected;\n    if (tagName === 'text') {\n      offset += 2 / currentZoom;\n    }\n\n    // loop and transform our bounding box until we reach our first rotation\n    const tlist = getTransformList(selected);\n    const m = transformListToTransform(tlist).matrix;\n\n    // This should probably be handled somewhere else, but for now\n    // it keeps the selection box correctly positioned when zoomed\n    m.e *= currentZoom;\n    m.f *= currentZoom;\n\n    if (!bbox) {\n      bbox = getBBox(selected);\n    }\n    // TODO: getBBox (previous line) already knows to call getStrokedBBox when tagName === 'g'. Remove this?\n    // TODO: getBBox doesn't exclude 'gsvg' and calls getStrokedBBox for any 'g'. Should getBBox be updated?\n    if (tagName === 'g' && !$.data(selected, 'gsvg')) {\n      // The bbox for a group does not include stroke vals, so we\n      // get the bbox based on its children.\n      const strokedBbox = getStrokedBBox([selected.childNodes]);\n      if (strokedBbox) {\n        bbox = strokedBbox;\n      }\n    }\n\n    // apply the transforms\n    const l = bbox.x, t = bbox.y, w = bbox.width, h = bbox.height;\n    // bbox = {x: l, y: t, width: w, height: h}; // Not in use\n\n    // we need to handle temporary transforms too\n    // if skewed, get its transformed box, then find its axis-aligned bbox\n\n    // *\n    offset *= currentZoom;\n\n    const nbox = transformBox(l * currentZoom, t * currentZoom, w * currentZoom, h * currentZoom, m),\n      {aabox} = nbox;\n    let nbax = aabox.x - offset,\n      nbay = aabox.y - offset,\n      nbaw = aabox.width + (offset * 2),\n      nbah = aabox.height + (offset * 2);\n\n    // now if the shape is rotated, un-rotate it\n    const cx = nbax + nbaw / 2,\n      cy = nbay + nbah / 2;\n\n    const angle = getRotationAngle(selected);\n    if (angle) {\n      const rot = svgFactory_.svgRoot().createSVGTransform();\n      rot.setRotate(-angle, cx, cy);\n      const rotm = rot.matrix;\n      nbox.tl = transformPoint(nbox.tl.x, nbox.tl.y, rotm);\n      nbox.tr = transformPoint(nbox.tr.x, nbox.tr.y, rotm);\n      nbox.bl = transformPoint(nbox.bl.x, nbox.bl.y, rotm);\n      nbox.br = transformPoint(nbox.br.x, nbox.br.y, rotm);\n\n      // calculate the axis-aligned bbox\n      const {tl} = nbox;\n      let minx = tl.x,\n        miny = tl.y,\n        maxx = tl.x,\n        maxy = tl.y;\n\n      const {min, max} = Math;\n\n      minx = min(minx, min(nbox.tr.x, min(nbox.bl.x, nbox.br.x))) - offset;\n      miny = min(miny, min(nbox.tr.y, min(nbox.bl.y, nbox.br.y))) - offset;\n      maxx = max(maxx, max(nbox.tr.x, max(nbox.bl.x, nbox.br.x))) + offset;\n      maxy = max(maxy, max(nbox.tr.y, max(nbox.bl.y, nbox.br.y))) + offset;\n\n      nbax = minx;\n      nbay = miny;\n      nbaw = (maxx - minx);\n      nbah = (maxy - miny);\n    }\n\n    const dstr = 'M' + nbax + ',' + nbay +\n      ' L' + (nbax + nbaw) + ',' + nbay +\n      ' ' + (nbax + nbaw) + ',' + (nbay + nbah) +\n      ' ' + nbax + ',' + (nbay + nbah) + 'z';\n    selectedBox.setAttribute('d', dstr);\n\n    const xform = angle ? 'rotate(' + [angle, cx, cy].join(',') + ')' : '';\n    this.selectorGroup.setAttribute('transform', xform);\n\n    // TODO(codedread): Is this needed?\n    //  if (selected === selectedElements[0]) {\n    this.gripCoords = {\n      nw: [nbax, nbay],\n      ne: [nbax + nbaw, nbay],\n      sw: [nbax, nbay + nbah],\n      se: [nbax + nbaw, nbay + nbah],\n      n: [nbax + (nbaw) / 2, nbay],\n      w: [nbax, nbay + (nbah) / 2],\n      e: [nbax + nbaw, nbay + (nbah) / 2],\n      s: [nbax + (nbaw) / 2, nbay + nbah]\n    };\n    for (const dir in this.gripCoords) {\n      const coords = this.gripCoords[dir];\n      selectedGrips[dir].setAttribute('cx', coords[0]);\n      selectedGrips[dir].setAttribute('cy', coords[1]);\n    }\n\n    // we want to go 20 pixels in the negative transformed y direction, ignoring scale\n    mgr.rotateGripConnector.setAttribute('x1', nbax + (nbaw) / 2);\n    mgr.rotateGripConnector.setAttribute('y1', nbay);\n    mgr.rotateGripConnector.setAttribute('x2', nbax + (nbaw) / 2);\n    mgr.rotateGripConnector.setAttribute('y2', nbay - (gripRadius * 5));\n\n    mgr.rotateGrip.setAttribute('cx', nbax + (nbaw) / 2);\n    mgr.rotateGrip.setAttribute('cy', nbay - (gripRadius * 5));\n    // }\n  }\n}\n\n/**\n* Manage all selector objects (selection boxes)\n*/\nexport class SelectorManager {\n  constructor () {\n    // this will hold the <g> element that contains all selector rects/grips\n    this.selectorParentGroup = null;\n\n    // this is a special rect that is used for multi-select\n    this.rubberBandBox = null;\n\n    // this will hold objects of type Selector (see above)\n    this.selectors = [];\n\n    // this holds a map of SVG elements to their Selector object\n    this.selectorMap = {};\n\n    // this holds a reference to the grip elements\n    this.selectorGrips = {\n      nw: null,\n      n: null,\n      ne: null,\n      e: null,\n      se: null,\n      s: null,\n      sw: null,\n      w: null\n    };\n\n    this.selectorGripsGroup = null;\n    this.rotateGripConnector = null;\n    this.rotateGrip = null;\n\n    this.initGroup();\n  }\n\n  /**\n  * Resets the parent selector group element\n  */\n  initGroup () {\n    // remove old selector parent group if it existed\n    if (this.selectorParentGroup && this.selectorParentGroup.parentNode) {\n      this.selectorParentGroup.remove();\n    }\n\n    // create parent selector group and add it to svgroot\n    this.selectorParentGroup = svgFactory_.createSVGElement({\n      element: 'g',\n      attr: {id: 'selectorParentGroup'}\n    });\n    this.selectorGripsGroup = svgFactory_.createSVGElement({\n      element: 'g',\n      attr: {display: 'none'}\n    });\n    this.selectorParentGroup.append(this.selectorGripsGroup);\n    svgFactory_.svgRoot().append(this.selectorParentGroup);\n\n    this.selectorMap = {};\n    this.selectors = [];\n    this.rubberBandBox = null;\n\n    // add the corner grips\n    for (const dir in this.selectorGrips) {\n      const grip = svgFactory_.createSVGElement({\n        element: 'circle',\n        attr: {\n          id: ('selectorGrip_resize_' + dir),\n          fill: '#22C',\n          r: gripRadius,\n          style: ('cursor:' + dir + '-resize'),\n          // This expands the mouse-able area of the grips making them\n          // easier to grab with the mouse.\n          // This works in Opera and WebKit, but does not work in Firefox\n          // see https://bugzilla.mozilla.org/show_bug.cgi?id=500174\n          'stroke-width': 2,\n          'pointer-events': 'all'\n        }\n      });\n\n      $.data(grip, 'dir', dir);\n      $.data(grip, 'type', 'resize');\n      this.selectorGrips[dir] = this.selectorGripsGroup.appendChild(grip);\n    }\n\n    // add rotator elems\n    this.rotateGripConnector = this.selectorGripsGroup.appendChild(\n      svgFactory_.createSVGElement({\n        element: 'line',\n        attr: {\n          id: ('selectorGrip_rotateconnector'),\n          stroke: '#22C',\n          'stroke-width': '1'\n        }\n      })\n    );\n\n    this.rotateGrip = this.selectorGripsGroup.appendChild(\n      svgFactory_.createSVGElement({\n        element: 'circle',\n        attr: {\n          id: 'selectorGrip_rotate',\n          fill: 'lime',\n          r: gripRadius,\n          stroke: '#22C',\n          'stroke-width': 2,\n          style: 'cursor:url(' + config_.imgPath + 'rotate.png) 12 12, auto;'\n        }\n      })\n    );\n    $.data(this.rotateGrip, 'type', 'rotate');\n\n    if ($('#canvasBackground').length) { return; }\n\n    const [width, height] = config_.dimensions;\n    const canvasbg = svgFactory_.createSVGElement({\n      element: 'svg',\n      attr: {\n        id: 'canvasBackground',\n        width,\n        height,\n        x: 0,\n        y: 0,\n        overflow: (isWebkit() ? 'none' : 'visible'), // Chrome 7 has a problem with this when zooming out\n        style: 'pointer-events:none'\n      }\n    });\n\n    const rect = svgFactory_.createSVGElement({\n      element: 'rect',\n      attr: {\n        width: '100%',\n        height: '100%',\n        x: 0,\n        y: 0,\n        'stroke-width': 1,\n        stroke: '#000',\n        fill: '#FFF',\n        style: 'pointer-events:none'\n      }\n    });\n\n    // Both Firefox and WebKit are too slow with this filter region (especially at higher\n    // zoom levels) and Opera has at least one bug\n    // if (!isOpera()) rect.setAttribute('filter', 'url(#canvashadow)');\n    canvasbg.append(rect);\n    svgFactory_.svgRoot().insertBefore(canvasbg, svgFactory_.svgContent());\n    // Ok to replace above with `svgFactory_.svgContent().before(canvasbg);`?\n  }\n\n  /**\n  *\n  * @param {Element} elem - DOM element to get the selector for\n  * @param {module:utilities.BBoxObject} [bbox] - Optional bbox to use for reset (prevents duplicate getBBox call).\n  * @returns {Selector} The selector based on the given element\n  */\n  requestSelector (elem, bbox) {\n    if (elem == null) { return null; }\n\n    const N = this.selectors.length;\n    // If we've already acquired one for this element, return it.\n    if (typeof this.selectorMap[elem.id] === 'object') {\n      this.selectorMap[elem.id].locked = true;\n      return this.selectorMap[elem.id];\n    }\n    for (let i = 0; i < N; ++i) {\n      if (this.selectors[i] && !this.selectors[i].locked) {\n        this.selectors[i].locked = true;\n        this.selectors[i].reset(elem, bbox);\n        this.selectorMap[elem.id] = this.selectors[i];\n        return this.selectors[i];\n      }\n    }\n    // if we reached here, no available selectors were found, we create one\n    this.selectors[N] = new Selector(N, elem, bbox);\n    this.selectorParentGroup.append(this.selectors[N].selectorGroup);\n    this.selectorMap[elem.id] = this.selectors[N];\n    return this.selectors[N];\n  }\n\n  /**\n  * Removes the selector of the given element (hides selection box)\n  *\n  * @param {Element} elem - DOM element to remove the selector for\n  */\n  releaseSelector (elem) {\n    if (elem == null) { return; }\n    const N = this.selectors.length,\n      sel = this.selectorMap[elem.id];\n    if (!sel.locked) {\n      // TODO(codedread): Ensure this exists in this module.\n      console.log('WARNING! selector was released but was already unlocked');\n    }\n    for (let i = 0; i < N; ++i) {\n      if (this.selectors[i] && this.selectors[i] === sel) {\n        delete this.selectorMap[elem.id];\n        sel.locked = false;\n        sel.selectedElement = null;\n        sel.showGrips(false);\n\n        // remove from DOM and store reference in JS but only if it exists in the DOM\n        try {\n          sel.selectorGroup.setAttribute('display', 'none');\n        } catch (e) {}\n\n        break;\n      }\n    }\n  }\n\n  /**\n  * @returns {SVGRectElement} The rubberBandBox DOM element. This is the rectangle drawn by\n  * the user for selecting/zooming\n  */\n  getRubberBandBox () {\n    if (!this.rubberBandBox) {\n      this.rubberBandBox = this.selectorParentGroup.appendChild(\n        svgFactory_.createSVGElement({\n          element: 'rect',\n          attr: {\n            id: 'selectorRubberBand',\n            fill: '#22C',\n            'fill-opacity': 0.15,\n            stroke: '#22C',\n            'stroke-width': 0.5,\n            display: 'none',\n            style: 'pointer-events:none'\n          }\n        })\n      );\n    }\n    return this.rubberBandBox;\n  }\n}\n\n/**\n * An object that creates SVG elements for the canvas.\n *\n * @interface module:select.SVGFactory\n */\n/**\n * @function module:select.SVGFactory#createSVGElement\n * @param {module:utilities.EditorContext#addSVGElementFromJson} jsonMap\n * @returns {SVGElement}\n */\n/**\n * @function module:select.SVGFactory#svgRoot\n * @returns {SVGSVGElement}\n */\n/**\n * @function module:select.SVGFactory#svgContent\n * @returns {SVGSVGElement}\n */\n/**\n * @function module:select.SVGFactory#getCurrentZoom\n * @returns {Float}\n */\n\n/**\n * @typedef {GenericArray} module:select.Dimensions\n * @property {Integer} length 2\n * @property {Float} 0 Width\n * @property {Float} 1 Height\n */\n/**\n * @typedef {PlainObject} module:select.Config\n * @property {string} imgPath\n * @property {module:select.Dimensions} dimensions\n */\n\n/**\n * Initializes this module.\n * @function module:select.init\n * @param {module:select.Config} config - An object containing configurable parameters (imgPath)\n * @param {module:select.SVGFactory} svgFactory - An object implementing the SVGFactory interface.\n * @returns {undefined}\n */\nexport const init = function (config, svgFactory) {\n  config_ = config;\n  svgFactory_ = svgFactory;\n  selectorManager_ = new SelectorManager();\n};\n\n/**\n * @function module:select.getSelectorManager\n * @returns {module:select.SelectorManager} The SelectorManager instance.\n */\nexport const getSelectorManager = () => selectorManager_;\n","/* eslint-disable indent */\n/* globals jQuery, jsPDF */\n/**\n * Numerous tools for working with the editor's \"canvas\"\n * @module svgcanvas\n *\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Pavol Rusnak, 2010 Jeff Schiller\n *\n */\n\n/* Dependencies:\n1. Also expects jQuery UI for `svgCanvasToString` and\n`convertToGroup` use of `:data()` selector\n*/\n\n// Todo: Obtain/adapt latest jsPDF to utilize ES Module for `jsPDF`/avoid global\n\nimport './svgpathseg.js';\nimport jqPluginSVG from './jQuery.attr.js'; // Needed for SVG attribute setting and array form with `attr`\n\nimport * as draw from './draw.js';\nimport * as pathModule from './path.js';\nimport {sanitizeSvg} from './sanitize.js';\nimport {getReverseNS, NS} from './namespaces.js';\nimport {importSetGlobal, importScript} from './external/dynamic-import-polyfill/importModule.js';\nimport {\n  text2xml, assignAttributes, cleanupElement, getElem, getUrlFromAttr,\n  findDefs, getHref, setHref, getRefElem, getRotationAngle, getPathBBox,\n  preventClickDefault, snapToGrid, walkTree, walkTreePost,\n  getBBoxOfElementAsPath, convertToPath, toXml, encode64, decode64,\n  dataURLToObjectURL, createObjectURL,\n  getVisibleElements, dropXMLInteralSubset,\n  init as utilsInit, getBBox as utilsGetBBox, getStrokedBBoxDefaultVisible\n} from './utilities.js';\nimport * as history from './history.js';\nimport {\n  transformPoint, matrixMultiply, hasMatrixTransform, transformListToTransform,\n  getMatrix, snapToAngle, isIdentity, rectsIntersect, transformBox\n} from './math.js';\nimport {\n  convertToNum, convertAttrs, convertUnit, shortFloat, getTypeMap,\n  init as unitsInit\n} from './units.js';\nimport {\n  isGecko, isChrome, isIE, isWebkit, supportsNonScalingStroke, supportsGoodTextCharPos\n} from './browser.js'; // , supportsEditableText\nimport {\n  getTransformList, resetListMap,\n  SVGTransformList as SVGEditTransformList\n} from './svgtransformlist.js';\nimport {\n  remapElement,\n  init as coordsInit\n} from './coords.js';\nimport {\n  recalculateDimensions,\n  init as recalculateInit\n} from './recalculate.js';\nimport {\n  getSelectorManager,\n  init as selectInit\n} from './select.js';\n\nconst $ = jqPluginSVG(jQuery);\nconst {\n  MoveElementCommand, InsertElementCommand, RemoveElementCommand,\n  ChangeElementCommand, BatchCommand, UndoManager, HistoryEventTypes\n} = history;\n\nif (!window.console) {\n  window.console = {};\n  window.console.log = function (str) {};\n  window.console.dir = function (str) {};\n}\n\nif (window.opera) {\n  window.console.log = function (str) { window.opera.postError(str); };\n  window.console.dir = function (str) {};\n}\n\n/**\n* The main SvgCanvas class that manages all SVG-related functions\n* @memberof module:svgcanvas\n*\n* @borrows module:coords.remapElement as #remapElement\n* @borrows module:recalculate.recalculateDimensions as #recalculateDimensions\n*\n* @borrows module:utilities.cleanupElement as #cleanupElement\n* @borrows module:utilities.getStrokedBBoxDefaultVisible as #getStrokedBBox\n* @borrows module:utilities.getVisibleElements as #getVisibleElements\n* @borrows module:utilities.findDefs as #findDefs\n* @borrows module:utilities.getUrlFromAttr as #getUrlFromAttr\n* @borrows module:utilities.getHref as #getHref\n* @borrows module:utilities.setHref as #setHref\n* @borrows module:utilities.getRotationAngle as #getRotationAngle\n* @borrows module:utilities.getBBox as #getBBox\n* @borrows module:utilities.getElem as #getElem\n* @borrows module:utilities.getRefElem as #getRefElem\n* @borrows module:utilities.assignAttributes as #assignAttributes\n*\n* @borrows module:SVGTransformList.getTransformList as #getTransformList\n* @borrows module:math.matrixMultiply as #matrixMultiply\n* @borrows module:math.hasMatrixTransform as #hasMatrixTransform\n* @borrows module:math.transformListToTransform as #transformListToTransform\n* @borrows module:units.convertToNum as #convertToNum\n* @borrows module:sanitize.sanitizeSvg as #sanitizeSvg\n* @borrows module:path.pathActions.linkControlPoints as #linkControlPoints\n*/\nclass SvgCanvas {\n  /**\n  * @param {HTMLElement} container - The container HTML element that should hold the SVG root element\n  * @param {module:SVGEditor.curConfig} config - An object that contains configuration data\n  */\n  constructor (container, config) {\n// Alias Namespace constants\n\n// Default configuration options\nconst curConfig = {\n  show_outside_canvas: true,\n  selectNew: true,\n  dimensions: [640, 480]\n};\n\n// Update config with new one if given\nif (config) {\n  $.extend(curConfig, config);\n}\n\n// Array with width/height of canvas\nconst {dimensions} = curConfig;\n\nconst canvas = this;\n\n// \"document\" element associated with the container (same as window.document using default svg-editor.js)\n// NOTE: This is not actually a SVG document, but an HTML document.\nconst svgdoc = container.ownerDocument;\n\n// This is a container for the document being edited, not the document itself.\n/**\n * @name module:svgcanvas~svgroot\n * @type {SVGSVGElement}\n */\nconst svgroot = svgdoc.importNode(\n  text2xml(\n    '<svg id=\"svgroot\" xmlns=\"' + NS.SVG + '\" xlinkns=\"' + NS.XLINK + '\" ' +\n      'width=\"' + dimensions[0] + '\" height=\"' + dimensions[1] + '\" x=\"' + dimensions[0] + '\" y=\"' + dimensions[1] + '\" overflow=\"visible\">' +\n      '<defs>' +\n        '<filter id=\"canvashadow\" filterUnits=\"objectBoundingBox\">' +\n          '<feGaussianBlur in=\"SourceAlpha\" stdDeviation=\"4\" result=\"blur\"/>' +\n          '<feOffset in=\"blur\" dx=\"5\" dy=\"5\" result=\"offsetBlur\"/>' +\n          '<feMerge>' +\n            '<feMergeNode in=\"offsetBlur\"/>' +\n            '<feMergeNode in=\"SourceGraphic\"/>' +\n          '</feMerge>' +\n        '</filter>' +\n      '</defs>' +\n    '</svg>'\n  ).documentElement,\n  true\n);\ncontainer.append(svgroot);\n\n/**\n * The actual element that represents the final output SVG element\n * @name module:svgcanvas~svgcontent\n * @type {SVGSVGElement}\n */\nlet svgcontent = svgdoc.createElementNS(NS.SVG, 'svg');\n\n/**\n* This function resets the svgcontent element while keeping it in the DOM.\n* @function module:svgcanvas.SvgCanvas#clearSvgContentElement\n* @returns {undefined}\n*/\nconst clearSvgContentElement = canvas.clearSvgContentElement = function () {\n  $(svgcontent).empty();\n\n  // TODO: Clear out all other attributes first?\n  $(svgcontent).attr({\n    id: 'svgcontent',\n    width: dimensions[0],\n    height: dimensions[1],\n    x: dimensions[0],\n    y: dimensions[1],\n    overflow: curConfig.show_outside_canvas ? 'visible' : 'hidden',\n    xmlns: NS.SVG,\n    'xmlns:se': NS.SE,\n    'xmlns:xlink': NS.XLINK\n  }).appendTo(svgroot);\n\n  // TODO: make this string optional and set by the client\n  const comment = svgdoc.createComment(' Created with SVG-edit - https://github.com/SVG-Edit/svgedit');\n  svgcontent.append(comment);\n};\nclearSvgContentElement();\n\n// Prefix string for element IDs\nlet idprefix = 'svg_';\n\n/**\n* Changes the ID prefix to the given value\n* @function module:svgcanvas.SvgCanvas#setIdPrefix\n* @param {string} p - String with the new prefix\n* @returns {undefined}\n*/\ncanvas.setIdPrefix = function (p) {\n  idprefix = p;\n};\n\n/**\n* Current draw.Drawing object\n* @type {module:draw.Drawing}\n* @name module:svgcanvas.SvgCanvas#current_drawing_\n*/\ncanvas.current_drawing_ = new draw.Drawing(svgcontent, idprefix);\n\n/**\n* Returns the current Drawing.\n* @function module:svgcanvas.SvgCanvas#getCurrentDrawing\n* @implements {module:draw.DrawCanvasInit#getCurrentDrawing}\n*/\nconst getCurrentDrawing = canvas.getCurrentDrawing = function () {\n  return canvas.current_drawing_;\n};\n\n/**\n* Float displaying the current zoom level (1 = 100%, .5 = 50%, etc)\n* @type {Float}\n*/\nlet currentZoom = 1;\n\n// pointer to current group (for in-group editing)\nlet currentGroup = null;\n\n// Object containing data for the currently selected styles\nconst allProperties = {\n  shape: {\n    fill: (curConfig.initFill.color === 'none' ? '' : '#') + curConfig.initFill.color,\n    fill_paint: null,\n    fill_opacity: curConfig.initFill.opacity,\n    stroke: '#' + curConfig.initStroke.color,\n    stroke_paint: null,\n    stroke_opacity: curConfig.initStroke.opacity,\n    stroke_width: curConfig.initStroke.width,\n    stroke_dasharray: 'none',\n    stroke_linejoin: 'miter',\n    stroke_linecap: 'butt',\n    opacity: curConfig.initOpacity\n  }\n};\n\nallProperties.text = $.extend(true, {}, allProperties.shape);\n$.extend(allProperties.text, {\n  fill: '#000000',\n  stroke_width: curConfig.text && curConfig.text.stroke_width,\n  font_size: curConfig.text && curConfig.text.font_size,\n  font_family: curConfig.text && curConfig.text.font_family\n});\n\n// Current shape style properties\nconst curShape = allProperties.shape;\n\n// Array with all the currently selected elements\n// default size of 1 until it needs to grow bigger\nlet selectedElements = [];\n\n/**\n* @typedef {PlainObject} module:svgcanvas.SVGAsJSON\n* @property {string} element\n* @property {PlainObject.<string, string>} attr\n* @property {module:svgcanvas.SVGAsJSON[]} children\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getContentElem\n* @param {Text|Element} data\n* @returns {module:svgcanvas.SVGAsJSON}\n*/\nconst getJsonFromSvgElement = this.getJsonFromSvgElement = function (data) {\n  // Text node\n  if (data.nodeType === 3) return data.nodeValue;\n\n  const retval = {\n    element: data.tagName,\n    // namespace: nsMap[data.namespaceURI],\n    attr: {},\n    children: []\n  };\n\n  // Iterate attributes\n  for (let i = 0, attr; (attr = data.attributes[i]); i++) {\n    retval.attr[attr.name] = attr.value;\n  }\n\n  // Iterate children\n  for (let i = 0, node; (node = data.childNodes[i]); i++) {\n    retval.children[i] = getJsonFromSvgElement(node);\n  }\n\n  return retval;\n};\n\n/**\n* This should really be an intersection implementing all rather than a union\n* @function module:svgcanvas.SvgCanvas#addSVGElementFromJson\n* @implements {module:utilities.EditorContext#addSVGElementFromJson|module:path.EditorContext#addSVGElementFromJson}\n*/\nconst addSVGElementFromJson = this.addSVGElementFromJson = function (data) {\n  if (typeof data === 'string') return svgdoc.createTextNode(data);\n\n  let shape = getElem(data.attr.id);\n  // if shape is a path but we need to create a rect/ellipse, then remove the path\n  const currentLayer = getCurrentDrawing().getCurrentLayer();\n  if (shape && data.element !== shape.tagName) {\n    shape.remove();\n    shape = null;\n  }\n  if (!shape) {\n    const ns = data.namespace || NS.SVG;\n    shape = svgdoc.createElementNS(ns, data.element);\n    if (currentLayer) {\n      (currentGroup || currentLayer).append(shape);\n    }\n  }\n  if (data.curStyles) {\n    assignAttributes(shape, {\n      fill: curShape.fill,\n      stroke: curShape.stroke,\n      'stroke-width': curShape.stroke_width,\n      'stroke-dasharray': curShape.stroke_dasharray,\n      'stroke-linejoin': curShape.stroke_linejoin,\n      'stroke-linecap': curShape.stroke_linecap,\n      'stroke-opacity': curShape.stroke_opacity,\n      'fill-opacity': curShape.fill_opacity,\n      opacity: curShape.opacity / 2,\n      style: 'pointer-events:inherit'\n    }, 100);\n  }\n  assignAttributes(shape, data.attr, 100);\n  cleanupElement(shape);\n\n  // Children\n  if (data.children) {\n    data.children.forEach((child) => {\n      shape.append(addSVGElementFromJson(child));\n    });\n  }\n\n  return shape;\n};\n\ncanvas.getTransformList = getTransformList;\n\ncanvas.matrixMultiply = matrixMultiply;\ncanvas.hasMatrixTransform = hasMatrixTransform;\ncanvas.transformListToTransform = transformListToTransform;\n\n/**\n* @implements {module:utilities.EditorContext#getBaseUnit}\n*/\nconst getBaseUnit = () => { return curConfig.baseUnit; };\n\n/**\n* initialize from units.js.\n* Send in an object implementing the ElementContainer interface (see units.js)\n*/\nunitsInit(\n  /**\n  * @implements {module:units.ElementContainer}\n  */\n  {\n    getBaseUnit,\n    getElement: getElem,\n    getHeight () { return svgcontent.getAttribute('height') / currentZoom; },\n    getWidth () { return svgcontent.getAttribute('width') / currentZoom; },\n    getRoundDigits () { return saveOptions.round_digits; }\n  }\n);\n\ncanvas.convertToNum = convertToNum;\n\n/**\n* This should really be an intersection implementing all rather than a union\n* @implements {module:draw.DrawCanvasInit#getSVGContent|module:utilities.EditorContext#getSVGContent}\n*/\nconst getSVGContent = () => { return svgcontent; };\n\n/**\n* Should really be an intersection with all needing to apply rather than a union\n* @function module:svgcanvas.SvgCanvas#getSelectedElements\n* @implements {module:utilities.EditorContext#getSelectedElements|module:draw.DrawCanvasInit#getSelectedElements|module:path.EditorContext#getSelectedElements}\n*/\nconst getSelectedElements = this.getSelectedElems = function () {\n  return selectedElements;\n};\n\nconst pathActions = pathModule.pathActions;\n\n/**\n* This should actually be an intersection as all interfaces should be met\n* @implements {module:utilities.EditorContext#getSVGRoot|module:recalculate.EditorContext#getSVGRoot|module:coords.EditorContext#getSVGRoot|module:path.EditorContext#getSVGRoot}\n*/\nconst getSVGRoot = () => svgroot;\n\nutilsInit(\n  /**\n  * @implements {module:utilities.EditorContext}\n  */\n  {\n    pathActions, // Ok since not modifying\n    getSVGContent,\n    addSVGElementFromJson,\n    getSelectedElements,\n    getDOMDocument () { return svgdoc; },\n    getDOMContainer () { return container; },\n    getSVGRoot,\n    // TODO: replace this mostly with a way to get the current drawing.\n    getBaseUnit,\n    getSnappingStep () { return curConfig.snappingStep; }\n  }\n);\n\ncanvas.findDefs = findDefs;\ncanvas.getUrlFromAttr = getUrlFromAttr;\ncanvas.getHref = getHref;\ncanvas.setHref = setHref;\n/* const getBBox = */ canvas.getBBox = utilsGetBBox;\ncanvas.getRotationAngle = getRotationAngle;\ncanvas.getElem = getElem;\ncanvas.getRefElem = getRefElem;\ncanvas.assignAttributes = assignAttributes;\n\nthis.cleanupElement = cleanupElement;\n\n/**\n* This should actually be an intersection not a union as all should apply\n* @implements {module:coords.EditorContext|module:path.EditorContext}\n*/\nconst getGridSnapping = () => { return curConfig.gridSnapping; };\n\ncoordsInit(\n  /**\n  * @implements {module:coords.EditorContext}\n  */\n  {\n    getDrawing () { return getCurrentDrawing(); },\n    getSVGRoot,\n    getGridSnapping\n  }\n);\nthis.remapElement = remapElement;\n\nrecalculateInit(\n  /**\n  * @implements {module:recalculate.EditorContext}\n  */\n  {\n    getSVGRoot,\n    getStartTransform () { return startTransform; },\n    setStartTransform (transform) { startTransform = transform; }\n  }\n);\nthis.recalculateDimensions = recalculateDimensions;\n\n// import from sanitize.js\nconst nsMap = getReverseNS();\ncanvas.sanitizeSvg = sanitizeSvg;\n\n/**\n* @name undoMgr\n* @memberof module:svgcanvas.SvgCanvas#\n* @type {module:history.HistoryEventHandler}\n*/\nconst undoMgr = canvas.undoMgr = new UndoManager({\n  /**\n   * @param {string} eventType One of the HistoryEvent types\n   * @param {module:history.HistoryCommand} cmd Fulfills the HistoryCommand interface\n   * @fires module:svgcanvas.SvgCanvas#event:changed\n   * @returns {undefined}\n   */\n  handleHistoryEvent (eventType, cmd) {\n    const EventTypes = HistoryEventTypes;\n    // TODO: handle setBlurOffsets.\n    if (eventType === EventTypes.BEFORE_UNAPPLY || eventType === EventTypes.BEFORE_APPLY) {\n      canvas.clearSelection();\n    } else if (eventType === EventTypes.AFTER_APPLY || eventType === EventTypes.AFTER_UNAPPLY) {\n      const elems = cmd.elements();\n      canvas.pathActions.clear();\n      call('changed', elems);\n      const cmdType = cmd.type();\n      const isApply = (eventType === EventTypes.AFTER_APPLY);\n      if (cmdType === MoveElementCommand.type()) {\n        const parent = isApply ? cmd.newParent : cmd.oldParent;\n        if (parent === svgcontent) {\n          draw.identifyLayers();\n        }\n      } else if (cmdType === InsertElementCommand.type() ||\n          cmdType === RemoveElementCommand.type()) {\n        if (cmd.parent === svgcontent) {\n          draw.identifyLayers();\n        }\n        if (cmdType === InsertElementCommand.type()) {\n          if (isApply) { restoreRefElems(cmd.elem); }\n        } else {\n          if (!isApply) { restoreRefElems(cmd.elem); }\n        }\n        if (cmd.elem.tagName === 'use') {\n          setUseData(cmd.elem);\n        }\n      } else if (cmdType === ChangeElementCommand.type()) {\n        // if we are changing layer names, re-identify all layers\n        if (cmd.elem.tagName === 'title' &&\n          cmd.elem.parentNode.parentNode === svgcontent\n        ) {\n          draw.identifyLayers();\n        }\n        const values = isApply ? cmd.newValues : cmd.oldValues;\n        // If stdDeviation was changed, update the blur.\n        if (values.stdDeviation) {\n          canvas.setBlurOffsets(cmd.elem.parentNode, values.stdDeviation);\n        }\n        // This is resolved in later versions of webkit, perhaps we should\n        // have a featured detection for correct 'use' behavior?\n        // ——————————\n        // Remove & Re-add hack for Webkit (issue 775)\n        // if (cmd.elem.tagName === 'use' && isWebkit()) {\n        //  const {elem} = cmd;\n        //  if (!elem.getAttribute('x') && !elem.getAttribute('y')) {\n        //    const parent = elem.parentNode;\n        //    const sib = elem.nextSibling;\n        //    elem.remove();\n        //    parent.insertBefore(elem, sib);\n        //    // Ok to replace above with this? `sib.before(elem);`\n        //  }\n        // }\n      }\n    }\n  }\n});\n\n/**\n* This should really be an intersection applying to all types rather than a union\n* @function module:svgcanvas~addCommandToHistory\n* @implements {module:path.EditorContext#addCommandToHistory|module:draw.DrawCanvasInit#addCommandToHistory}\n*/\nconst addCommandToHistory = function (cmd) {\n  canvas.undoMgr.addCommandToHistory(cmd);\n};\n\n/**\n* This should really be an intersection applying to all types rather than a union\n* @function module:svgcanvas.SvgCanvas#getZoom\n* @implements {module:path.EditorContext#getCurrentZoom|module:select.SVGFactory#getCurrentZoom}\n*/\nconst getCurrentZoom = this.getZoom = function () { return currentZoom; };\n\n/**\n* This method rounds the incoming value to the nearest value based on the `currentZoom`\n* @function module:svgcanvas.SvgCanvas#round\n* @implements {module:path.EditorContext#round}\n*/\nconst round = this.round = function (val) {\n  return parseInt(val * currentZoom, 10) / currentZoom;\n};\n\nselectInit(\n  curConfig,\n  /**\n  * Export to select.js\n  * @implements {module:select.SVGFactory}\n  */\n  {\n    createSVGElement (jsonMap) { return canvas.addSVGElementFromJson(jsonMap); },\n    svgRoot () { return svgroot; },\n    svgContent () { return svgcontent; },\n    getCurrentZoom\n  }\n);\n/**\n* This object manages selectors for us\n* @name module:svgcanvas.SvgCanvas#selectorManager\n* @type {module:select.SelectorManager}\n*/\nconst selectorManager = this.selectorManager = getSelectorManager();\n\n/**\n* @function module:svgcanvas.SvgCanvas#getNextId\n* @implements {module:path.EditorContext#getNextId}\n*/\nconst getNextId = canvas.getNextId = function () {\n  return getCurrentDrawing().getNextId();\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getId\n* @implements {module:path.EditorContext#getId}\n*/\nconst getId = canvas.getId = function () {\n  return getCurrentDrawing().getId();\n};\n\n/**\n* The \"implements\" should really be an intersection applying to all types rather than a union\n* @function module:svgcanvas.SvgCanvas#call\n* @implements {module:draw.DrawCanvasInit#call|module:path.EditorContext#call}\n* @param {\"selected\"|\"changed\"|\"contextset\"|\"pointsAdded\"|\"extension_added\"|\"extensions_added\"|\"message\"|\"transition\"|\"zoomed\"|\"updateCanvas\"|\"zoomDone\"|\"saved\"|\"exported\"|\"exportedPDF\"|\"setnonce\"|\"unsetnonce\"|\"cleared\"} ev - String with the event name\n* @param {module:svgcanvas.SvgCanvas#event:GenericCanvasEvent} arg - Argument to pass through to the callback function.\n* @returns {undefined}\n*/\nconst call = function (ev, arg) {\n  if (events[ev]) {\n    return events[ev](window, arg);\n  }\n};\n\n/**\n* Clears the selection. The 'selected' handler is then optionally called.\n* This should really be an intersection applying to all types rather than a union\n* @function module:svgcanvas.SvgCanvas#clearSelection\n* @implements {module:draw.DrawCanvasInit#clearSelection|module:path.EditorContext#clearSelection}\n* @fires module:svgcanvas.SvgCanvas#event:selected\n*/\nconst clearSelection = this.clearSelection = function (noCall) {\n  selectedElements.forEach((elem) => {\n    if (elem == null) {\n      return;\n    }\n    selectorManager.releaseSelector(elem);\n  });\n  selectedElements = [];\n\n  if (!noCall) { call('selected', selectedElements); }\n};\n\n/**\n* Adds a list of elements to the selection. The 'selected' handler is then called.\n* @function module:svgcanvas.SvgCanvas#addToSelection\n* @implements {module:path.EditorContext#addToSelection}\n* @fires module:svgcanvas.SvgCanvas#event:selected\n*/\nconst addToSelection = this.addToSelection = function (elemsToAdd, showGrips) {\n  if (!elemsToAdd.length) { return; }\n  // find the first null in our selectedElements array\n\n  let j = 0;\n  while (j < selectedElements.length) {\n    if (selectedElements[j] == null) {\n      break;\n    }\n    ++j;\n  }\n\n  // now add each element consecutively\n  let i = elemsToAdd.length;\n  while (i--) {\n    let elem = elemsToAdd[i];\n    if (!elem) { continue; }\n    const bbox = utilsGetBBox(elem);\n    if (!bbox) { continue; }\n\n    if (elem.tagName === 'a' && elem.childNodes.length === 1) {\n      // Make \"a\" element's child be the selected element\n      elem = elem.firstChild;\n    }\n\n    // if it's not already there, add it\n    if (!selectedElements.includes(elem)) {\n      selectedElements[j] = elem;\n\n      // only the first selectedBBoxes element is ever used in the codebase these days\n      // if (j === 0) selectedBBoxes[0] = utilsGetBBox(elem);\n      j++;\n      const sel = selectorManager.requestSelector(elem, bbox);\n\n      if (selectedElements.length > 1) {\n        sel.showGrips(false);\n      }\n    }\n  }\n  call('selected', selectedElements);\n\n  if (showGrips || selectedElements.length === 1) {\n    selectorManager.requestSelector(selectedElements[0]).showGrips(true);\n  } else {\n    selectorManager.requestSelector(selectedElements[0]).showGrips(false);\n  }\n\n  // make sure the elements are in the correct order\n  // See: https://www.w3.org/TR/DOM-Level-3-Core/core.html#Node3-compareDocumentPosition\n\n  selectedElements.sort(function (a, b) {\n    if (a && b && a.compareDocumentPosition) {\n      return 3 - (b.compareDocumentPosition(a) & 6);\n    }\n    if (a == null) {\n      return 1;\n    }\n  });\n\n  // Make sure first elements are not null\n  while (selectedElements[0] == null) {\n    selectedElements.shift(0);\n  }\n};\n\n/**\n* @implements {module:path.EditorContext#getOpacity}\n*/\nconst getOpacity = function () {\n  return curShape.opacity;\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getMouseTarget\n* @implements {module:path.EditorContext#getMouseTarget}\n*/\nconst getMouseTarget = this.getMouseTarget = function (evt) {\n  if (evt == null) {\n    return null;\n  }\n  let mouseTarget = evt.target;\n\n  // if it was a <use>, Opera and WebKit return the SVGElementInstance\n  if (mouseTarget.correspondingUseElement) { mouseTarget = mouseTarget.correspondingUseElement; }\n\n  // for foreign content, go up until we find the foreignObject\n  // WebKit browsers set the mouse target to the svgcanvas div\n  if ([NS.MATH, NS.HTML].includes(mouseTarget.namespaceURI) &&\n    mouseTarget.id !== 'svgcanvas'\n  ) {\n    while (mouseTarget.nodeName !== 'foreignObject') {\n      mouseTarget = mouseTarget.parentNode;\n      if (!mouseTarget) { return svgroot; }\n    }\n  }\n\n  // Get the desired mouseTarget with jQuery selector-fu\n  // If it's root-like, select the root\n  const currentLayer = getCurrentDrawing().getCurrentLayer();\n  if ([svgroot, container, svgcontent, currentLayer].includes(mouseTarget)) {\n    return svgroot;\n  }\n\n  const $target = $(mouseTarget);\n\n  // If it's a selection grip, return the grip parent\n  if ($target.closest('#selectorParentGroup').length) {\n    // While we could instead have just returned mouseTarget,\n    // this makes it easier to indentify as being a selector grip\n    return selectorManager.selectorParentGroup;\n  }\n\n  while (mouseTarget.parentNode !== (currentGroup || currentLayer)) {\n    mouseTarget = mouseTarget.parentNode;\n  }\n\n  //\n  // // go up until we hit a child of a layer\n  // while (mouseTarget.parentNode.parentNode.tagName == 'g') {\n  //   mouseTarget = mouseTarget.parentNode;\n  // }\n  // Webkit bubbles the mouse event all the way up to the div, so we\n  // set the mouseTarget to the svgroot like the other browsers\n  // if (mouseTarget.nodeName.toLowerCase() == 'div') {\n  //   mouseTarget = svgroot;\n  // }\n\n  return mouseTarget;\n};\n\n/**\n* @namespace {module:path.pathActions} pathActions\n* @memberof module:svgcanvas.SvgCanvas#\n* @see module:path.pathActions\n*/\ncanvas.pathActions = pathActions;\n/**\n* @implements {module:path.EditorContext#resetD}\n*/\nfunction resetD (p) {\n  p.setAttribute('d', pathActions.convertPath(p));\n}\npathModule.init(\n  /**\n  * @implements {module:path.EditorContext}\n  */\n  {\n    selectorManager, // Ok since not changing\n    canvas, // Ok since not changing\n    call,\n    resetD,\n    round,\n    clearSelection,\n    addToSelection,\n    addCommandToHistory,\n    remapElement,\n    addSVGElementFromJson,\n    getGridSnapping,\n    getOpacity,\n    getSelectedElements,\n    getContainer () {\n      return container;\n    },\n    setStarted (s) {\n      started = s;\n    },\n    getRubberBox () {\n      return rubberBox;\n    },\n    setRubberBox (rb) {\n      rubberBox = rb;\n      return rubberBox;\n    },\n    /**\n     * @param {boolean} closedSubpath\n     * @param {SVGCircleElement[]} grips\n     * @fires module:svgcanvas.SvgCanvas#event:pointsAdded\n     * @fires module:svgcanvas.SvgCanvas#event:selected\n     */\n    addPtsToSelection ({closedSubpath, grips}) {\n      // TODO: Correct this:\n      pathActions.canDeleteNodes = true;\n      pathActions.closed_subpath = closedSubpath;\n      call('pointsAdded', {closedSubpath, grips});\n      call('selected', grips);\n    },\n    /**\n     * @param {ChangeElementCommand} cmd\n     * @param {SVGPathElement} elem\n     * @fires module:svgcanvas.SvgCanvas#event:changed\n     * @returns {undefined}\n     */\n    endChanges ({cmd, elem}) {\n      addCommandToHistory(cmd);\n      call('changed', [elem]);\n    },\n    getCurrentZoom,\n    getId,\n    getNextId,\n    getMouseTarget,\n    getCurrentMode () {\n      return currentMode;\n    },\n    setCurrentMode (cm) {\n      currentMode = cm;\n      return currentMode;\n    },\n    getDrawnPath () {\n      return drawnPath;\n    },\n    setDrawnPath (dp) {\n      drawnPath = dp;\n      return drawnPath;\n    },\n    getSVGRoot\n  }\n);\n\n// Interface strings, usually for title elements\nconst uiStrings = {};\n\nconst visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use';\nconst refAttrs = ['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'];\n\nconst elData = $.data;\n\n// Animation element to change the opacity of any newly created element\nconst opacAni = document.createElementNS(NS.SVG, 'animate');\n$(opacAni).attr({\n  attributeName: 'opacity',\n  begin: 'indefinite',\n  dur: 1,\n  fill: 'freeze'\n}).appendTo(svgroot);\n\nconst restoreRefElems = function (elem) {\n  // Look for missing reference elements, restore any found\n  const attrs = $(elem).attr(refAttrs);\n  for (const o in attrs) {\n    const val = attrs[o];\n    if (val && val.startsWith('url(')) {\n      const id = getUrlFromAttr(val).substr(1);\n      const ref = getElem(id);\n      if (!ref) {\n        findDefs().append(removedElements[id]);\n        delete removedElements[id];\n      }\n    }\n  }\n\n  const childs = elem.getElementsByTagName('*');\n\n  if (childs.length) {\n    for (let i = 0, l = childs.length; i < l; i++) {\n      restoreRefElems(childs[i]);\n    }\n  }\n};\n\n// (function () {\n// TODO For Issue 208: this is a start on a thumbnail\n//  const svgthumb = svgdoc.createElementNS(NS.SVG, 'use');\n//  svgthumb.setAttribute('width', '100');\n//  svgthumb.setAttribute('height', '100');\n//  setHref(svgthumb, '#svgcontent');\n//  svgroot.append(svgthumb);\n// }());\n\n/**\n * @typedef {PlainObject} module:svgcanvas.SaveOptions\n * @property {boolean} apply\n * @property {\"embed\"} [image]\n * @property {Integer} round_digits\n */\n\n// Object to contain image data for raster images that were found encodable\nconst encodableImages = {},\n\n  // Object with save options\n  /**\n   * @type {module:svgcanvas.SaveOptions}\n   */\n  saveOptions = {round_digits: 5},\n\n  // Object with IDs for imported files, to see if one was already added\n  importIds = {},\n\n  // Current text style properties\n  curText = allProperties.text,\n\n  // Object to contain all included extensions\n  extensions = {},\n\n  // Map of deleted reference elements\n  removedElements = {};\n\nlet\n  // String with image URL of last loadable image\n  lastGoodImgUrl = curConfig.imgPath + 'logo.png',\n\n  // Boolean indicating whether or not a draw action has been started\n  started = false,\n\n  // String with an element's initial transform attribute value\n  startTransform = null,\n\n  // String indicating the current editor mode\n  currentMode = 'select',\n\n  // String with the current direction in which an element is being resized\n  currentResizeMode = 'none',\n\n  // Current general properties\n  curProperties = curShape,\n\n  // Array with selected elements' Bounding box object\n  // selectedBBoxes = new Array(1),\n\n  // The DOM element that was just selected\n  justSelected = null,\n\n  // DOM element for selection rectangle drawn by the user\n  rubberBox = null,\n\n  // Array of current BBoxes, used in getIntersectionList().\n  curBBoxes = [],\n\n  // Canvas point for the most recent right click\n  lastClickPoint = null;\n\n/**\n* @typedef {module:svgcanvas.ExtensionMouseDownStatus|module:svgcanvas.ExtensionMouseUpStatus|module:svgcanvas.ExtensionIDsUpdatedStatus|module:locale.ExtensionLocaleData[]|undefined} module:svgcanvas.ExtensionStatus\n* @tutorial ExtensionDocs\n*/\n/**\n* @callback module:svgcanvas.ExtensionVarBuilder\n* @param {string} name The name of the extension\n*/\n/**\n* @todo Consider: Should this return an array by default, so extension results aren't overwritten?\n* @todo Would be easier to document if passing in object with key of action and vars as value; could then define an interface which tied both together\n* @function module:svgcanvas.SvgCanvas#runExtensions\n* @param {\"mouseDown\"|\"mouseMove\"|\"mouseUp\"|\"zoomChanged\"|\"IDsUpdated\"|\"canvasUpdated\"|\"toolButtonStateUpdate\"|\"selectedChanged\"|\"elementTransition\"|\"elementChanged\"|\"langReady\"|\"langChanged\"|\"addLangData\"|\"onNewDocument\"|\"workareaResized\"} action\n* @param {module:svgcanvas.SvgCanvas#event:ext-mouseDown|module:svgcanvas.SvgCanvas#event:ext-mouseMove|module:svgcanvas.SvgCanvas#event:ext-mouseUp|module:svgcanvas.SvgCanvas#event:ext-zoomChanged|module:svgcanvas.SvgCanvas#event:ext-IDsUpdated|module:svgcanvas.SvgCanvas#event:ext-canvasUpdated|module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate|module:svgcanvas.SvgCanvas#event:ext-selectedChanged|module:svgcanvas.SvgCanvas#event:ext-elementTransition|module:svgcanvas.SvgCanvas#event:ext-elementChanged|module:svgcanvas.SvgCanvas#event:ext-langReady|module:svgcanvas.SvgCanvas#event:ext-langChanged|module:svgcanvas.SvgCanvas#event:ext-addLangData|module:svgcanvas.SvgCanvas#event:ext-onNewDocument|module:svgcanvas.SvgCanvas#event:ext-workareaResized|module:svgcanvas.ExtensionVarBuilder} [vars]\n* @param {boolean} [returnArray]\n* @returns {GenericArray.<module:svgcanvas.ExtensionStatus>|module:svgcanvas.ExtensionStatus|false} See {@tutorial ExtensionDocs} on the ExtensionStatus.\n*/\nconst runExtensions = this.runExtensions = function (action, vars, returnArray) {\n  let result = returnArray ? [] : false;\n  $.each(extensions, function (name, ext) {\n    if (ext && action in ext) {\n      if (typeof vars === 'function') {\n        vars = vars(name); // ext, action\n      }\n      if (returnArray) {\n        result.push(ext[action](vars));\n      } else {\n        result = ext[action](vars);\n      }\n    }\n  });\n  return result;\n};\n\n/**\n* @typedef {PlainObject} module:svgcanvas.ExtensionMouseDownStatus\n* @property {boolean} started Indicates that creating/editing has started\n*/\n/**\n* @typedef {PlainObject} module:svgcanvas.ExtensionMouseUpStatus\n* @property {boolean} keep Indicates if the current element should be kept\n* @property {boolean} started Indicates if editing should still be considered as \"started\"\n* @property {Element} element The element being affected\n*/\n/**\n* @typedef {PlainObject} module:svgcanvas.ExtensionIDsUpdatedStatus\n* @property {string[]} remove Contains string IDs (used by `ext-connector.js`)\n*/\n\n/**\n * @interface module:svgcanvas.ExtensionInitResponse\n * @property {module:SVGEditor.ContextTool[]|PlainObject.<string, module:SVGEditor.ContextTool>} [context_tools]\n * @property {module:SVGEditor.Button[]|PlainObject.<Integer, module:SVGEditor.Button>} [buttons]\n * @property {string} [svgicons] The location of a local SVG or SVGz file\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#mouseDown\n * @param {module:svgcanvas.SvgCanvas#event:ext-mouseDown} arg\n * @returns {undefined|module:svgcanvas.ExtensionMouseDownStatus}\n */\n/**\n * @function module:svgcanvas.ExtensionInitResponse#mouseMove\n * @param {module:svgcanvas.SvgCanvas#event:ext-mouseMove} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#mouseUp\n * @param {module:svgcanvas.SvgCanvas#event:ext-mouseUp} arg\n * @returns {module:svgcanvas.ExtensionMouseUpStatus}\n */\n/**\n * @function module:svgcanvas.ExtensionInitResponse#zoomChanged\n * @param {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#IDsUpdated\n * @param {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} arg\n * @returns {module:svgcanvas.ExtensionIDsUpdatedStatus}\n */\n/**\n * @function module:svgcanvas.ExtensionInitResponse#canvasUpdated\n * @param {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#toolButtonStateUpdate\n * @param {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#selectedChanged\n * @param {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#elementTransition\n * @param {module:svgcanvas.SvgCanvas#event:ext-elementTransition} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#elementChanged\n * @param {module:svgcanvas.SvgCanvas#event:ext-elementChanged} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#langReady\n * @param {module:svgcanvas.SvgCanvas#event:ext-langReady} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#langChanged\n * @param {module:svgcanvas.SvgCanvas#event:ext-langChanged} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#addLangData\n * @param {module:svgcanvas.SvgCanvas#event:ext-addLangData} arg\n * @returns {Promise} Resolves to {@link module:locale.ExtensionLocaleData}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#onNewDocument\n * @param {module:svgcanvas.SvgCanvas#event:ext-onNewDocument} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#workareaResized\n * @param {module:svgcanvas.SvgCanvas#event:ext-workareaResized} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#callback\n * @param {module:svgcanvas.SvgCanvas#event:ext-callback} arg\n * @returns {undefined}\n*/\n\n/**\n* @callback module:svgcanvas.ExtensionInitCallback\n* @this module:SVGEditor\n* @param {module:svgcanvas.ExtensionArgumentObject} arg\n* @returns {Promise} Resolves to [ExtensionInitResponse]{@link module:svgcanvas.ExtensionInitResponse} or `undefined`\n*/\n/**\n* Add an extension to the editor\n* @function module:svgcanvas.SvgCanvas#addExtension\n* @param {string} name - String with the ID of the extension. Used internally; no need for i18n.\n* @param {module:svgcanvas.ExtensionInitCallback} [extInitFunc] - Function supplied by the extension with its data\n* @param {module:SVGEditor~ImportLocale} importLocale\n* @fires module:svgcanvas.SvgCanvas#event:extension_added\n* @throws {TypeError} If `extInitFunc` is not a function\n* @returns {Promise} Resolves to `undefined`\n*/\nthis.addExtension = async function (name, extInitFunc, importLocale) {\n  if (typeof extInitFunc !== 'function') {\n    throw new TypeError('Function argument expected for `svgcanvas.addExtension`');\n  }\n  if (!(name in extensions)) {\n    // Provide private vars/funcs here. Is there a better way to do this?\n    /**\n     * @typedef {module:svgcanvas.PrivateMethods} module:svgcanvas.ExtensionArgumentObject\n     * @property {SVGSVGElement} svgroot See {@link module:svgcanvas~svgroot}\n     * @property {SVGSVGElement} svgcontent See {@link module:svgcanvas~svgcontent}\n     * @property {!(string|Integer)} nonce See {@link module:draw.Drawing#getNonce}\n     * @property {module:select.SelectorManager} selectorManager\n     * @property {module:SVGEditor~ImportLocale} importLocale\n     */\n    /**\n     * @type {module:svgcanvas.ExtensionArgumentObject}\n     * @see {@link module:svgcanvas.PrivateMethods} source for the other methods/properties\n     */\n    const argObj = $.extend(canvas.getPrivateMethods(), {\n      importLocale,\n      svgroot,\n      svgcontent,\n      nonce: getCurrentDrawing().getNonce(),\n      selectorManager\n    });\n    const extObj = await extInitFunc(argObj);\n    if (extObj) {\n      extObj.name = name;\n    }\n\n    extensions[name] = extObj;\n    return call('extension_added', extObj);\n  } else {\n    console.log('Cannot add extension \"' + name + '\", an extension by that name already exists.');\n  }\n};\n\n/**\n* This method sends back an array or a NodeList full of elements that\n* intersect the multi-select rubber-band-box on the currentLayer only.\n*\n* We brute-force `getIntersectionList` for browsers that do not support it (Firefox).\n*\n* Reference:\n* Firefox does not implement `getIntersectionList()`, see {@link https://bugzilla.mozilla.org/show_bug.cgi?id=501421}\n* @function module:svgcanvas.SvgCanvas#getIntersectionList\n* @param {SVGRect} rect\n* @returns {Element[]|NodeList} Bbox elements\n*/\nconst getIntersectionList = this.getIntersectionList = function (rect) {\n  if (rubberBox == null) { return null; }\n\n  const parent = currentGroup || getCurrentDrawing().getCurrentLayer();\n\n  let rubberBBox;\n  if (!rect) {\n    rubberBBox = rubberBox.getBBox();\n    const bb = svgcontent.createSVGRect();\n\n    for (const o in rubberBBox) {\n      bb[o] = rubberBBox[o] / currentZoom;\n    }\n    rubberBBox = bb;\n  } else {\n    rubberBBox = svgcontent.createSVGRect();\n    rubberBBox.x = rect.x;\n    rubberBBox.y = rect.y;\n    rubberBBox.width = rect.width;\n    rubberBBox.height = rect.height;\n  }\n\n  let resultList = null;\n  if (!isIE) {\n    if (typeof svgroot.getIntersectionList === 'function') {\n      // Offset the bbox of the rubber box by the offset of the svgcontent element.\n      rubberBBox.x += parseInt(svgcontent.getAttribute('x'), 10);\n      rubberBBox.y += parseInt(svgcontent.getAttribute('y'), 10);\n\n      resultList = svgroot.getIntersectionList(rubberBBox, parent);\n    }\n  }\n\n  if (resultList == null || typeof resultList.item !== 'function') {\n    resultList = [];\n\n    if (!curBBoxes.length) {\n      // Cache all bboxes\n      curBBoxes = getVisibleElementsAndBBoxes(parent);\n    }\n    let i = curBBoxes.length;\n    while (i--) {\n      if (!rubberBBox.width) { continue; }\n      if (rectsIntersect(rubberBBox, curBBoxes[i].bbox)) {\n        resultList.push(curBBoxes[i].elem);\n      }\n    }\n  }\n\n  // addToSelection expects an array, but it's ok to pass a NodeList\n  // because using square-bracket notation is allowed:\n  // https://www.w3.org/TR/DOM-Level-2-Core/ecma-script-binding.html\n  return resultList;\n};\n\nthis.getStrokedBBox = getStrokedBBoxDefaultVisible;\n\nthis.getVisibleElements = getVisibleElements;\n\n/**\n* @typedef {PlainObject} ElementAndBBox\n* @property {Element} elem - The element\n* @property {module:utilities.BBoxObject} bbox - The element's BBox as retrieved from `getStrokedBBoxDefaultVisible`\n*/\n\n/**\n* Get all elements that have a BBox (excludes `<defs>`, `<title>`, etc).\n* Note that 0-opacity, off-screen etc elements are still considered \"visible\"\n* for this function\n* @function module:svgcanvas.SvgCanvas#getVisibleElementsAndBBoxes\n* @param {Element} parent - The parent DOM element to search within\n* @returns {ElementAndBBox[]} An array with objects that include:\n*/\nconst getVisibleElementsAndBBoxes = this.getVisibleElementsAndBBoxes = function (parent) {\n  if (!parent) {\n    parent = $(svgcontent).children(); // Prevent layers from being included\n  }\n  const contentElems = [];\n  $(parent).children().each(function (i, elem) {\n    if (elem.getBBox) {\n      contentElems.push({elem, bbox: getStrokedBBoxDefaultVisible([elem])});\n    }\n  });\n  return contentElems.reverse();\n};\n\n/**\n* Wrap an SVG element into a group element, mark the group as 'gsvg'\n* @function module:svgcanvas.SvgCanvas#groupSvgElem\n* @param {Element} elem - SVG element to wrap\n* @returns {undefined}\n*/\nconst groupSvgElem = this.groupSvgElem = function (elem) {\n  const g = document.createElementNS(NS.SVG, 'g');\n  elem.replaceWith(g);\n  $(g).append(elem).data('gsvg', elem)[0].id = getNextId();\n};\n\n// Set scope for these functions\n\n// Object to contain editor event names and callback functions\nconst events = {};\n\ncanvas.call = call;\n/**\n * Array of what was changed (elements, layers)\n * @event module:svgcanvas.SvgCanvas#event:changed\n * @type {Element[]}\n */\n/**\n * Array of selected elements\n * @event module:svgcanvas.SvgCanvas#event:selected\n * @type {Element[]}\n */\n/**\n * Array of selected elements\n * @event module:svgcanvas.SvgCanvas#event:transition\n * @type {Element[]}\n */\n/**\n * The Element is always `SVGGElement`?\n * If not `null`, will be the set current group element\n * @event module:svgcanvas.SvgCanvas#event:contextset\n * @type {null|Element}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:pointsAdded\n * @type {PlainObject}\n * @property {boolean} closedSubpath\n * @property {SVGCircleElement[]} grips Grips elements\n */\n\n/**\n * @event module:svgcanvas.SvgCanvas#event:zoomed\n * @type {PlainObject}\n * @property {Float} x\n * @property {Float} y\n * @property {Float} width\n * @property {Float} height\n * @property {0.5|2} factor\n * @see module:SVGEditor.BBoxObjectWithFactor\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:updateCanvas\n * @type {PlainObject}\n * @property {false} center\n * @property {module:math.XYObject} newCtr\n */\n/**\n * @typedef {PlainObject} module:svgcanvas.ExtensionInitResponsePlusName\n * @implements {module:svgcanvas.ExtensionInitResponse}\n * @property {string} name The extension's resolved ID (whether explicit or based on file name)\n */\n/**\n * Generalized extension object response of\n * [`init()`]{@link module:svgcanvas.ExtensionInitCallback}\n * along with the name of the extension.\n * @event module:svgcanvas.SvgCanvas#event:extension_added\n * @type {module:svgcanvas.ExtensionInitResponsePlusName|undefined}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:extensions_added\n * @type {undefined}\n*/\n/**\n * @typedef {PlainObject} module:svgcanvas.Message\n * @property {Any} data The data\n * @property {string} origin The origin\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:message\n * @type {module:svgcanvas.Message}\n */\n/**\n * SVG canvas converted to string\n * @event module:svgcanvas.SvgCanvas#event:saved\n * @type {string}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:setnonce\n * @type {!(string|Integer)}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:unsetnonce\n * @type {undefined}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:zoomDone\n * @type {undefined}\n*/\n/**\n * @event module:svgcanvas.SvgCanvas#event:cleared\n * @type {undefined}\n*/\n\n/**\n * @event module:svgcanvas.SvgCanvas#event:exported\n * @type {module:svgcanvas.ImageExportedResults}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:exportedPDF\n * @type {module:svgcanvas.PDFExportedResults}\n */\n/**\n * Creating a cover-all class until {@link https://github.com/jsdoc3/jsdoc/issues/1545} may be supported.\n * `undefined` may be returned by {@link module:svgcanvas.SvgCanvas#event:extension_added} if the extension's `init` returns `undefined` It is also the type for the following events \"zoomDone\", \"unsetnonce\", \"cleared\", and \"extensions_added\".\n * @event module:svgcanvas.SvgCanvas#event:GenericCanvasEvent\n * @type {module:svgcanvas.SvgCanvas#event:selected|module:svgcanvas.SvgCanvas#event:changed|module:svgcanvas.SvgCanvas#event:contextset|module:svgcanvas.SvgCanvas#event:pointsAdded|module:svgcanvas.SvgCanvas#event:extension_added|module:svgcanvas.SvgCanvas#event:extensions_added|module:svgcanvas.SvgCanvas#event:message|module:svgcanvas.SvgCanvas#event:transition|module:svgcanvas.SvgCanvas#event:zoomed|module:svgcanvas.SvgCanvas#event:updateCanvas|module:svgcanvas.SvgCanvas#event:saved|module:svgcanvas.SvgCanvas#event:exported|module:svgcanvas.SvgCanvas#event:exportedPDF|module:svgcanvas.SvgCanvas#event:setnonce|module:svgcanvas.SvgCanvas#event:unsetnonce|undefined}\n */\n\n/**\n* @callback module:svgcanvas.EventHandler\n* @param {external:Window} win\n* @param {module:svgcanvas.SvgCanvas#event:GenericCanvasEvent} arg\n* @listens module:svgcanvas.SvgCanvas#event:GenericCanvasEvent\n*/\n\n/**\n* Attaches a callback function to an event\n* @function module:svgcanvas.SvgCanvas#bind\n* @param {\"changed\"|\"contextset\"|\"selected\"|\"pointsAdded\"|\"extension_added\"|\"extensions_added\"|\"message\"|\"transition\"|\"zoomed\"|\"updateCanvas\"|\"zoomDone\"|\"saved\"|\"exported\"|\"exportedPDF\"|\"setnonce\"|\"unsetnonce\"|\"cleared\"} ev - String indicating the name of the event\n* @param {module:svgcanvas.EventHandler} f - The callback function to bind to the event\n* @returns {module:svgcanvas.EventHandler} The previous event\n*/\ncanvas.bind = function (ev, f) {\n  const old = events[ev];\n  events[ev] = f;\n  return old;\n};\n\n/**\n* Runs the SVG Document through the sanitizer and then updates its paths.\n* @function module:svgcanvas.SvgCanvas#prepareSvg\n* @param {XMLDocument} newDoc - The SVG DOM document\n* @returns {undefined}\n*/\nthis.prepareSvg = function (newDoc) {\n  this.sanitizeSvg(newDoc.documentElement);\n\n  // convert paths into absolute commands\n  const paths = [...newDoc.getElementsByTagNameNS(NS.SVG, 'path')];\n  paths.forEach((path) => {\n    path.setAttribute('d', pathActions.convertPath(path));\n    pathActions.fixEnd(path);\n  });\n};\n\n/**\n* Hack for Firefox bugs where text element features aren't updated or get\n* messed up. See issue 136 and issue 137.\n* This function clones the element and re-selects it.\n* @function module:svgcanvas~ffClone\n* @todo Test for this bug on load and add it to \"support\" object instead of\n* browser sniffing\n* @param {Element} elem - The (text) DOM element to clone\n* @returns {Element} Cloned element\n*/\nconst ffClone = function (elem) {\n  if (!isGecko()) { return elem; }\n  const clone = elem.cloneNode(true);\n  elem.before(clone);\n  elem.remove();\n  selectorManager.releaseSelector(elem);\n  selectedElements[0] = clone;\n  selectorManager.requestSelector(clone).showGrips(true);\n  return clone;\n};\n\n// `this.each` is deprecated, if any extension used this it can be recreated by doing this:\n// * @example $(canvas.getRootElem()).children().each(...)\n// * @function module:svgcanvas.SvgCanvas#each\n// this.each = function (cb) {\n//  $(svgroot).children().each(cb);\n// };\n\n/**\n* Removes any old rotations if present, prepends a new rotation at the\n* transformed center\n* @function module:svgcanvas.SvgCanvas#setRotationAngle\n* @param {string|Float} val - The new rotation angle in degrees\n* @param {boolean} preventUndo - Indicates whether the action should be undoable or not\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setRotationAngle = function (val, preventUndo) {\n  // ensure val is the proper type\n  val = parseFloat(val);\n  const elem = selectedElements[0];\n  const oldTransform = elem.getAttribute('transform');\n  const bbox = utilsGetBBox(elem);\n  const cx = bbox.x + bbox.width / 2, cy = bbox.y + bbox.height / 2;\n  const tlist = getTransformList(elem);\n\n  // only remove the real rotational transform if present (i.e. at index=0)\n  if (tlist.numberOfItems > 0) {\n    const xform = tlist.getItem(0);\n    if (xform.type === 4) {\n      tlist.removeItem(0);\n    }\n  }\n  // find Rnc and insert it\n  if (val !== 0) {\n    const center = transformPoint(cx, cy, transformListToTransform(tlist).matrix);\n    const Rnc = svgroot.createSVGTransform();\n    Rnc.setRotate(val, center.x, center.y);\n    if (tlist.numberOfItems) {\n      tlist.insertItemBefore(Rnc, 0);\n    } else {\n      tlist.appendItem(Rnc);\n    }\n  } else if (tlist.numberOfItems === 0) {\n    elem.removeAttribute('transform');\n  }\n\n  if (!preventUndo) {\n    // we need to undo it, then redo it so it can be undo-able! :)\n    // TODO: figure out how to make changes to transform list undo-able cross-browser?\n    const newTransform = elem.getAttribute('transform');\n    elem.setAttribute('transform', oldTransform);\n    changeSelectedAttribute('transform', newTransform, selectedElements);\n    call('changed', selectedElements);\n  }\n  // const pointGripContainer = getElem('pathpointgrip_container');\n  // if (elem.nodeName === 'path' && pointGripContainer) {\n  //   pathActions.setPointContainerTransform(elem.getAttribute('transform'));\n  // }\n  const selector = selectorManager.requestSelector(selectedElements[0]);\n  selector.resize();\n  selector.updateGripCursors(val);\n};\n\n/**\n* Runs `recalculateDimensions` on the selected elements,\n* adding the changes to a single batch command\n* @function module:svgcanvas.SvgCanvas#recalculateAllSelectedDimensions\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nconst recalculateAllSelectedDimensions = this.recalculateAllSelectedDimensions = function () {\n  const text = (currentResizeMode === 'none' ? 'position' : 'size');\n  const batchCmd = new BatchCommand(text);\n\n  let i = selectedElements.length;\n  while (i--) {\n    const elem = selectedElements[i];\n    // if (getRotationAngle(elem) && !hasMatrixTransform(getTransformList(elem))) { continue; }\n    const cmd = recalculateDimensions(elem);\n    if (cmd) {\n      batchCmd.addSubCommand(cmd);\n    }\n  }\n\n  if (!batchCmd.isEmpty()) {\n    addCommandToHistory(batchCmd);\n    call('changed', selectedElements);\n  }\n};\n\n/**\n * Debug tool to easily see the current matrix in the browser's console\n * @function module:svgcanvas~logMatrix\n * @param {SVGMatrix} m The matrix\n * @returns {undefined}\n */\nconst logMatrix = function (m) {\n  console.log([m.a, m.b, m.c, m.d, m.e, m.f]);\n};\n\n// Root Current Transformation Matrix in user units\nlet rootSctm = null;\n\n/**\n* Group: Selection\n*/\n\n// TODO: do we need to worry about selectedBBoxes here?\n\n/**\n* Selects only the given elements, shortcut for clearSelection(); addToSelection()\n* @function module:svgcanvas.SvgCanvas#selectOnly\n* @param {Element[]} elems - an array of DOM elements to be selected\n* @param {boolean} showGrips - Indicates whether the resize grips should be shown\n* @returns {undefined}\n*/\nconst selectOnly = this.selectOnly = function (elems, showGrips) {\n  clearSelection(true);\n  addToSelection(elems, showGrips);\n};\n\n// TODO: could use slice here to make this faster?\n// TODO: should the 'selected' handler\n\n/**\n* Removes elements from the selection.\n* @function module:svgcanvas.SvgCanvas#removeFromSelection\n* @param {Element[]} elemsToRemove - An array of elements to remove from selection\n* @returns {undefined}\n*/\n/* const removeFromSelection = */ this.removeFromSelection = function (elemsToRemove) {\n  if (selectedElements[0] == null) { return; }\n  if (!elemsToRemove.length) { return; }\n\n  // find every element and remove it from our array copy\n  const newSelectedItems = [],\n    len = selectedElements.length;\n  for (let i = 0; i < len; ++i) {\n    const elem = selectedElements[i];\n    if (elem) {\n      // keep the item\n      if (!elemsToRemove.includes(elem)) {\n        newSelectedItems.push(elem);\n      } else { // remove the item and its selector\n        selectorManager.releaseSelector(elem);\n      }\n    }\n  }\n  // the copy becomes the master now\n  selectedElements = newSelectedItems;\n};\n\n/**\n* Clears the selection, then adds all elements in the current layer to the selection.\n* @function module:svgcanvas.SvgCanvas#selectAllInCurrentLayer\n* @returns {undefined}\n*/\nthis.selectAllInCurrentLayer = function () {\n  const currentLayer = getCurrentDrawing().getCurrentLayer();\n  if (currentLayer) {\n    currentMode = 'select';\n    selectOnly($(currentGroup || currentLayer).children());\n  }\n};\n\nlet drawnPath = null;\n\n// Mouse events\n(function () {\nconst freehand = {\n  minx: null,\n  miny: null,\n  maxx: null,\n  maxy: null\n};\nconst THRESHOLD_DIST = 0.8,\n  STEP_COUNT = 10;\nlet dAttr = null,\n  startX = null,\n  startY = null,\n  rStartX = null,\n  rStartY = null,\n  initBbox = {},\n  sumDistance = 0,\n  controllPoint2 = {x: 0, y: 0},\n  controllPoint1 = {x: 0, y: 0},\n  start = {x: 0, y: 0},\n  end = {x: 0, y: 0},\n  bSpline = {x: 0, y: 0},\n  nextPos = {x: 0, y: 0},\n  parameter,\n  nextParameter;\n\nconst getBsplinePoint = function (t) {\n  const spline = {x: 0, y: 0},\n    p0 = controllPoint2,\n    p1 = controllPoint1,\n    p2 = start,\n    p3 = end,\n    S = 1.0 / 6.0,\n    t2 = t * t,\n    t3 = t2 * t;\n\n  const m = [\n    [-1, 3, -3, 1],\n    [3, -6, 3, 0],\n    [-3, 0, 3, 0],\n    [1, 4, 1, 0]\n  ];\n\n  spline.x = S * (\n    (p0.x * m[0][0] + p1.x * m[0][1] + p2.x * m[0][2] + p3.x * m[0][3]) * t3 +\n      (p0.x * m[1][0] + p1.x * m[1][1] + p2.x * m[1][2] + p3.x * m[1][3]) * t2 +\n      (p0.x * m[2][0] + p1.x * m[2][1] + p2.x * m[2][2] + p3.x * m[2][3]) * t +\n      (p0.x * m[3][0] + p1.x * m[3][1] + p2.x * m[3][2] + p3.x * m[3][3])\n  );\n  spline.y = S * (\n    (p0.y * m[0][0] + p1.y * m[0][1] + p2.y * m[0][2] + p3.y * m[0][3]) * t3 +\n      (p0.y * m[1][0] + p1.y * m[1][1] + p2.y * m[1][2] + p3.y * m[1][3]) * t2 +\n      (p0.y * m[2][0] + p1.y * m[2][1] + p2.y * m[2][2] + p3.y * m[2][3]) * t +\n      (p0.y * m[3][0] + p1.y * m[3][1] + p2.y * m[3][2] + p3.y * m[3][3])\n  );\n\n  return {\n    x: spline.x,\n    y: spline.y\n  };\n};\n/**\n * - When we are in a create mode, the element is added to the canvas but the\n *   action is not recorded until mousing up.\n * - When we are in select mode, select the element, remember the position\n *   and do nothing else\n * @param {MouseEvent} evt\n * @fires module:svgcanvas.SvgCanvas#event:ext-mouseDown\n * @returns {undefined}\n */\nconst mouseDown = function (evt) {\n  if (canvas.spaceKey || evt.button === 1) { return; }\n\n  const rightClick = evt.button === 2;\n\n  if (evt.altKey) { // duplicate when dragging\n    canvas.cloneSelectedElements(0, 0);\n  }\n\n  rootSctm = $('#svgcontent g')[0].getScreenCTM().inverse();\n\n  const pt = transformPoint(evt.pageX, evt.pageY, rootSctm),\n    mouseX = pt.x * currentZoom,\n    mouseY = pt.y * currentZoom;\n\n  evt.preventDefault();\n\n  if (rightClick) {\n    currentMode = 'select';\n    lastClickPoint = pt;\n  }\n\n  // This would seem to be unnecessary...\n  // if (!['select', 'resize'].includes(currentMode)) {\n  //   setGradient();\n  // }\n\n  let x = mouseX / currentZoom,\n    y = mouseY / currentZoom;\n  let mouseTarget = getMouseTarget(evt);\n\n  if (mouseTarget.tagName === 'a' && mouseTarget.childNodes.length === 1) {\n    mouseTarget = mouseTarget.firstChild;\n  }\n\n  // realX/y ignores grid-snap value\n  const realX = x;\n  rStartX = startX = x;\n  const realY = y;\n  rStartY = startY = y;\n\n  if (curConfig.gridSnapping) {\n    x = snapToGrid(x);\n    y = snapToGrid(y);\n    startX = snapToGrid(startX);\n    startY = snapToGrid(startY);\n  }\n\n  // if it is a selector grip, then it must be a single element selected,\n  // set the mouseTarget to that and update the mode to rotate/resize\n\n  if (mouseTarget === selectorManager.selectorParentGroup && selectedElements[0] != null) {\n    const grip = evt.target;\n    const griptype = elData(grip, 'type');\n    // rotating\n    if (griptype === 'rotate') {\n      currentMode = 'rotate';\n    // resizing\n    } else if (griptype === 'resize') {\n      currentMode = 'resize';\n      currentResizeMode = elData(grip, 'dir');\n    }\n    mouseTarget = selectedElements[0];\n  }\n\n  startTransform = mouseTarget.getAttribute('transform');\n  let i, strokeW;\n  const tlist = getTransformList(mouseTarget);\n  switch (currentMode) {\n  case 'select':\n    started = true;\n    currentResizeMode = 'none';\n    if (rightClick) { started = false; }\n\n    if (mouseTarget !== svgroot) {\n      // if this element is not yet selected, clear selection and select it\n      if (!selectedElements.includes(mouseTarget)) {\n        // only clear selection if shift is not pressed (otherwise, add\n        // element to selection)\n        if (!evt.shiftKey) {\n          // No need to do the call here as it will be done on addToSelection\n          clearSelection(true);\n        }\n        addToSelection([mouseTarget]);\n        justSelected = mouseTarget;\n        pathActions.clear();\n      }\n      // else if it's a path, go into pathedit mode in mouseup\n\n      if (!rightClick) {\n        // insert a dummy transform so if the element(s) are moved it will have\n        // a transform to use for its translate\n        for (i = 0; i < selectedElements.length; ++i) {\n          if (selectedElements[i] == null) { continue; }\n          const slist = getTransformList(selectedElements[i]);\n          if (slist.numberOfItems) {\n            slist.insertItemBefore(svgroot.createSVGTransform(), 0);\n          } else {\n            slist.appendItem(svgroot.createSVGTransform());\n          }\n        }\n      }\n    } else if (!rightClick) {\n      clearSelection();\n      currentMode = 'multiselect';\n      if (rubberBox == null) {\n        rubberBox = selectorManager.getRubberBandBox();\n      }\n      rStartX *= currentZoom;\n      rStartY *= currentZoom;\n      // console.log('p',[evt.pageX, evt.pageY]);\n      // console.log('c',[evt.clientX, evt.clientY]);\n      // console.log('o',[evt.offsetX, evt.offsetY]);\n      // console.log('s',[startX, startY]);\n\n      assignAttributes(rubberBox, {\n        x: rStartX,\n        y: rStartY,\n        width: 0,\n        height: 0,\n        display: 'inline'\n      }, 100);\n    }\n    break;\n  case 'zoom':\n    started = true;\n    if (rubberBox == null) {\n      rubberBox = selectorManager.getRubberBandBox();\n    }\n    assignAttributes(rubberBox, {\n      x: realX * currentZoom,\n      y: realX * currentZoom,\n      width: 0,\n      height: 0,\n      display: 'inline'\n    }, 100);\n    break;\n  case 'resize':\n    started = true;\n    startX = x;\n    startY = y;\n\n    // Getting the BBox from the selection box, since we know we\n    // want to orient around it\n    initBbox = utilsGetBBox($('#selectedBox0')[0]);\n    const bb = {};\n    $.each(initBbox, function (key, val) {\n      bb[key] = val / currentZoom;\n    });\n    initBbox = bb;\n\n    // append three dummy transforms to the tlist so that\n    // we can translate,scale,translate in mousemove\n    const pos = getRotationAngle(mouseTarget) ? 1 : 0;\n\n    if (hasMatrixTransform(tlist)) {\n      tlist.insertItemBefore(svgroot.createSVGTransform(), pos);\n      tlist.insertItemBefore(svgroot.createSVGTransform(), pos);\n      tlist.insertItemBefore(svgroot.createSVGTransform(), pos);\n    } else {\n      tlist.appendItem(svgroot.createSVGTransform());\n      tlist.appendItem(svgroot.createSVGTransform());\n      tlist.appendItem(svgroot.createSVGTransform());\n\n      if (supportsNonScalingStroke()) {\n        // Handle crash for newer Chrome and Safari 6 (Mobile and Desktop):\n        // https://code.google.com/p/svg-edit/issues/detail?id=904\n        // Chromium issue: https://code.google.com/p/chromium/issues/detail?id=114625\n        // TODO: Remove this workaround once vendor fixes the issue\n        const iswebkit = isWebkit();\n\n        let delayedStroke;\n        if (iswebkit) {\n          delayedStroke = function (ele) {\n            const _stroke = ele.getAttributeNS(null, 'stroke');\n            ele.removeAttributeNS(null, 'stroke');\n            // Re-apply stroke after delay. Anything higher than 1 seems to cause flicker\n            if (_stroke !== null) setTimeout(function () { ele.setAttributeNS(null, 'stroke', _stroke); }, 0);\n          };\n        }\n        mouseTarget.style.vectorEffect = 'non-scaling-stroke';\n        if (iswebkit) { delayedStroke(mouseTarget); }\n\n        const all = mouseTarget.getElementsByTagName('*'),\n          len = all.length;\n        for (i = 0; i < len; i++) {\n          if (!all[i].style) { // mathML\n            continue;\n          }\n          all[i].style.vectorEffect = 'non-scaling-stroke';\n          if (iswebkit) { delayedStroke(all[i]); }\n        }\n      }\n    }\n    break;\n  case 'fhellipse':\n  case 'fhrect':\n  case 'fhpath':\n    start.x = realX;\n    start.y = realY;\n    started = true;\n    dAttr = realX + ',' + realY + ' ';\n    // Commented out as doing nothing now:\n    // strokeW = parseFloat(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;\n    addSVGElementFromJson({\n      element: 'polyline',\n      curStyles: true,\n      attr: {\n        points: dAttr,\n        id: getNextId(),\n        fill: 'none',\n        opacity: curShape.opacity / 2,\n        'stroke-linecap': 'round',\n        style: 'pointer-events:none'\n      }\n    });\n    freehand.minx = realX;\n    freehand.maxx = realX;\n    freehand.miny = realY;\n    freehand.maxy = realY;\n    break;\n  case 'image':\n    started = true;\n    const newImage = addSVGElementFromJson({\n      element: 'image',\n      attr: {\n        x,\n        y,\n        width: 0,\n        height: 0,\n        id: getNextId(),\n        opacity: curShape.opacity / 2,\n        style: 'pointer-events:inherit'\n      }\n    });\n    setHref(newImage, lastGoodImgUrl);\n    preventClickDefault(newImage);\n    break;\n  case 'square':\n    // FIXME: once we create the rect, we lose information that this was a square\n    // (for resizing purposes this could be important)\n    // Fallthrough\n  case 'rect':\n    started = true;\n    startX = x;\n    startY = y;\n    addSVGElementFromJson({\n      element: 'rect',\n      curStyles: true,\n      attr: {\n        x,\n        y,\n        width: 0,\n        height: 0,\n        id: getNextId(),\n        opacity: curShape.opacity / 2\n      }\n    });\n    break;\n  case 'line':\n    started = true;\n    strokeW = Number(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;\n    addSVGElementFromJson({\n      element: 'line',\n      curStyles: true,\n      attr: {\n        x1: x,\n        y1: y,\n        x2: x,\n        y2: y,\n        id: getNextId(),\n        stroke: curShape.stroke,\n        'stroke-width': strokeW,\n        'stroke-dasharray': curShape.stroke_dasharray,\n        'stroke-linejoin': curShape.stroke_linejoin,\n        'stroke-linecap': curShape.stroke_linecap,\n        'stroke-opacity': curShape.stroke_opacity,\n        fill: 'none',\n        opacity: curShape.opacity / 2,\n        style: 'pointer-events:none'\n      }\n    });\n    break;\n  case 'circle':\n    started = true;\n    addSVGElementFromJson({\n      element: 'circle',\n      curStyles: true,\n      attr: {\n        cx: x,\n        cy: y,\n        r: 0,\n        id: getNextId(),\n        opacity: curShape.opacity / 2\n      }\n    });\n    break;\n  case 'ellipse':\n    started = true;\n    addSVGElementFromJson({\n      element: 'ellipse',\n      curStyles: true,\n      attr: {\n        cx: x,\n        cy: y,\n        rx: 0,\n        ry: 0,\n        id: getNextId(),\n        opacity: curShape.opacity / 2\n      }\n    });\n    break;\n  case 'text':\n    started = true;\n    /* const newText = */ addSVGElementFromJson({\n      element: 'text',\n      curStyles: true,\n      attr: {\n        x,\n        y,\n        id: getNextId(),\n        fill: curText.fill,\n        'stroke-width': curText.stroke_width,\n        'font-size': curText.font_size,\n        'font-family': curText.font_family,\n        'text-anchor': 'middle',\n        'xml:space': 'preserve',\n        opacity: curShape.opacity\n      }\n    });\n    // newText.textContent = 'text';\n    break;\n  case 'path':\n    // Fall through\n  case 'pathedit':\n    startX *= currentZoom;\n    startY *= currentZoom;\n    pathActions.mouseDown(evt, mouseTarget, startX, startY);\n    started = true;\n    break;\n  case 'textedit':\n    startX *= currentZoom;\n    startY *= currentZoom;\n    textActions.mouseDown(evt, mouseTarget, startX, startY);\n    started = true;\n    break;\n  case 'rotate':\n    started = true;\n    // we are starting an undoable change (a drag-rotation)\n    canvas.undoMgr.beginUndoableChange('transform', selectedElements);\n    break;\n  default:\n    // This could occur in an extension\n    break;\n  }\n\n  /**\n   * The main (left) mouse button is held down on the canvas area\n   * @event module:svgcanvas.SvgCanvas#event:ext-mouseDown\n   * @type {PlainObject}\n   * @property {MouseEvent} event The event object\n   * @property {Float} start_x x coordinate on canvas\n   * @property {Float} start_y y coordinate on canvas\n   * @property {Element[]} selectedElements An array of the selected Elements\n  */\n  const extResult = runExtensions('mouseDown', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseDown} */ {\n    event: evt,\n    start_x: startX,\n    start_y: startY,\n    selectedElements\n  }, true);\n\n  $.each(extResult, function (i, r) {\n    if (r && r.started) {\n      started = true;\n    }\n  });\n};\n\n// in this function we do not record any state changes yet (but we do update\n// any elements that are still being created, moved or resized on the canvas)\n/**\n *\n * @param {MouseEvent} evt\n * @fires module:svgcanvas.SvgCanvas#event:transition\n * @fires module:svgcanvas.SvgCanvas#event:ext-mouseMove\n * @returns {undefined}\n */\nconst mouseMove = function (evt) {\n  if (!started) { return; }\n  if (evt.button === 1 || canvas.spaceKey) { return; }\n\n  let i, xya, c, cx, cy, dx, dy, len, angle, box,\n    selected = selectedElements[0];\n  const\n    pt = transformPoint(evt.pageX, evt.pageY, rootSctm),\n    mouseX = pt.x * currentZoom,\n    mouseY = pt.y * currentZoom,\n    shape = getElem(getId());\n\n  let realX = mouseX / currentZoom;\n  let x = realX;\n  let realY = mouseY / currentZoom;\n  let y = realY;\n\n  if (curConfig.gridSnapping) {\n    x = snapToGrid(x);\n    y = snapToGrid(y);\n  }\n\n  evt.preventDefault();\n  let tlist;\n  switch (currentMode) {\n  case 'select': {\n    // we temporarily use a translate on the element(s) being dragged\n    // this transform is removed upon mousing up and the element is\n    // relocated to the new location\n    if (selectedElements[0] !== null) {\n      dx = x - startX;\n      dy = y - startY;\n\n      if (curConfig.gridSnapping) {\n        dx = snapToGrid(dx);\n        dy = snapToGrid(dy);\n      }\n\n      /*\n      // Commenting out as currently has no effect\n      if (evt.shiftKey) {\n        xya = snapToAngle(startX, startY, x, y);\n        ({x, y} = xya);\n      }\n      */\n\n      if (dx !== 0 || dy !== 0) {\n        len = selectedElements.length;\n        for (i = 0; i < len; ++i) {\n          selected = selectedElements[i];\n          if (selected == null) { break; }\n          // if (i === 0) {\n          //   const box = utilsGetBBox(selected);\n          //     selectedBBoxes[i].x = box.x + dx;\n          //     selectedBBoxes[i].y = box.y + dy;\n          // }\n\n          // update the dummy transform in our transform list\n          // to be a translate\n          const xform = svgroot.createSVGTransform();\n          tlist = getTransformList(selected);\n          // Note that if Webkit and there's no ID for this\n          // element, the dummy transform may have gotten lost.\n          // This results in unexpected behaviour\n\n          xform.setTranslate(dx, dy);\n          if (tlist.numberOfItems) {\n            tlist.replaceItem(xform, 0);\n          } else {\n            tlist.appendItem(xform);\n          }\n\n          // update our internal bbox that we're tracking while dragging\n          selectorManager.requestSelector(selected).resize();\n        }\n\n        call('transition', selectedElements);\n      }\n    }\n    break;\n  } case 'multiselect': {\n    realX *= currentZoom;\n    realY *= currentZoom;\n    assignAttributes(rubberBox, {\n      x: Math.min(rStartX, realX),\n      y: Math.min(rStartY, realY),\n      width: Math.abs(realX - rStartX),\n      height: Math.abs(realY - rStartY)\n    }, 100);\n\n    // for each selected:\n    // - if newList contains selected, do nothing\n    // - if newList doesn't contain selected, remove it from selected\n    // - for any newList that was not in selectedElements, add it to selected\n    const elemsToRemove = selectedElements.slice(), elemsToAdd = [],\n      newList = getIntersectionList();\n\n    // For every element in the intersection, add if not present in selectedElements.\n    len = newList.length;\n    for (i = 0; i < len; ++i) {\n      const intElem = newList[i];\n      // Found an element that was not selected before, so we should add it.\n      if (!selectedElements.includes(intElem)) {\n        elemsToAdd.push(intElem);\n      }\n      // Found an element that was already selected, so we shouldn't remove it.\n      const foundInd = elemsToRemove.indexOf(intElem);\n      if (foundInd !== -1) {\n        elemsToRemove.splice(foundInd, 1);\n      }\n    }\n\n    if (elemsToRemove.length > 0) {\n      canvas.removeFromSelection(elemsToRemove);\n    }\n\n    if (elemsToAdd.length > 0) {\n      canvas.addToSelection(elemsToAdd);\n    }\n\n    break;\n  } case 'resize': {\n    // we track the resize bounding box and translate/scale the selected element\n    // while the mouse is down, when mouse goes up, we use this to recalculate\n    // the shape's coordinates\n    tlist = getTransformList(selected);\n    const hasMatrix = hasMatrixTransform(tlist);\n    box = hasMatrix ? initBbox : utilsGetBBox(selected);\n    let left = box.x,\n      top = box.y,\n      {width, height} = box;\n    dx = (x - startX);\n    dy = (y - startY);\n\n    if (curConfig.gridSnapping) {\n      dx = snapToGrid(dx);\n      dy = snapToGrid(dy);\n      height = snapToGrid(height);\n      width = snapToGrid(width);\n    }\n\n    // if rotated, adjust the dx,dy values\n    angle = getRotationAngle(selected);\n    if (angle) {\n      const r = Math.sqrt(dx * dx + dy * dy),\n        theta = Math.atan2(dy, dx) - angle * Math.PI / 180.0;\n      dx = r * Math.cos(theta);\n      dy = r * Math.sin(theta);\n    }\n\n    // if not stretching in y direction, set dy to 0\n    // if not stretching in x direction, set dx to 0\n    if (!currentResizeMode.includes('n') && !currentResizeMode.includes('s')) {\n      dy = 0;\n    }\n    if (!currentResizeMode.includes('e') && !currentResizeMode.includes('w')) {\n      dx = 0;\n    }\n\n    let // ts = null,\n      tx = 0, ty = 0,\n      sy = height ? (height + dy) / height : 1,\n      sx = width ? (width + dx) / width : 1;\n    // if we are dragging on the north side, then adjust the scale factor and ty\n    if (currentResizeMode.includes('n')) {\n      sy = height ? (height - dy) / height : 1;\n      ty = height;\n    }\n\n    // if we dragging on the east side, then adjust the scale factor and tx\n    if (currentResizeMode.includes('w')) {\n      sx = width ? (width - dx) / width : 1;\n      tx = width;\n    }\n\n    // update the transform list with translate,scale,translate\n    const translateOrigin = svgroot.createSVGTransform(),\n      scale = svgroot.createSVGTransform(),\n      translateBack = svgroot.createSVGTransform();\n\n    if (curConfig.gridSnapping) {\n      left = snapToGrid(left);\n      tx = snapToGrid(tx);\n      top = snapToGrid(top);\n      ty = snapToGrid(ty);\n    }\n\n    translateOrigin.setTranslate(-(left + tx), -(top + ty));\n    if (evt.shiftKey) {\n      if (sx === 1) {\n        sx = sy;\n      } else { sy = sx; }\n    }\n    scale.setScale(sx, sy);\n\n    translateBack.setTranslate(left + tx, top + ty);\n    if (hasMatrix) {\n      const diff = angle ? 1 : 0;\n      tlist.replaceItem(translateOrigin, 2 + diff);\n      tlist.replaceItem(scale, 1 + diff);\n      tlist.replaceItem(translateBack, Number(diff));\n    } else {\n      const N = tlist.numberOfItems;\n      tlist.replaceItem(translateBack, N - 3);\n      tlist.replaceItem(scale, N - 2);\n      tlist.replaceItem(translateOrigin, N - 1);\n    }\n\n    selectorManager.requestSelector(selected).resize();\n\n    call('transition', selectedElements);\n\n    break;\n  } case 'zoom': {\n    realX *= currentZoom;\n    realY *= currentZoom;\n    assignAttributes(rubberBox, {\n      x: Math.min(rStartX * currentZoom, realX),\n      y: Math.min(rStartY * currentZoom, realY),\n      width: Math.abs(realX - rStartX * currentZoom),\n      height: Math.abs(realY - rStartY * currentZoom)\n    }, 100);\n    break;\n  } case 'text': {\n    assignAttributes(shape, {\n      x,\n      y\n    }, 1000);\n    break;\n  } case 'line': {\n    if (curConfig.gridSnapping) {\n      x = snapToGrid(x);\n      y = snapToGrid(y);\n    }\n\n    let x2 = x;\n    let y2 = y;\n\n    if (evt.shiftKey) {\n      xya = snapToAngle(startX, startY, x2, y2);\n      x2 = xya.x;\n      y2 = xya.y;\n    }\n\n    shape.setAttributeNS(null, 'x2', x2);\n    shape.setAttributeNS(null, 'y2', y2);\n    break;\n  } case 'foreignObject':\n    // fall through\n  case 'square':\n    // fall through\n  case 'rect':\n    // fall through\n  case 'image': {\n    const square = (currentMode === 'square') || evt.shiftKey;\n    let\n      w = Math.abs(x - startX),\n      h = Math.abs(y - startY);\n    let newX, newY;\n    if (square) {\n      w = h = Math.max(w, h);\n      newX = startX < x ? startX : startX - w;\n      newY = startY < y ? startY : startY - h;\n    } else {\n      newX = Math.min(startX, x);\n      newY = Math.min(startY, y);\n    }\n\n    if (curConfig.gridSnapping) {\n      w = snapToGrid(w);\n      h = snapToGrid(h);\n      newX = snapToGrid(newX);\n      newY = snapToGrid(newY);\n    }\n\n    assignAttributes(shape, {\n      width: w,\n      height: h,\n      x: newX,\n      y: newY\n    }, 1000);\n\n    break;\n  } case 'circle': {\n    c = $(shape).attr(['cx', 'cy']);\n    ({cx, cy} = c);\n    let rad = Math.sqrt((x - cx) * (x - cx) + (y - cy) * (y - cy));\n    if (curConfig.gridSnapping) {\n      rad = snapToGrid(rad);\n    }\n    shape.setAttributeNS(null, 'r', rad);\n    break;\n  } case 'ellipse': {\n    c = $(shape).attr(['cx', 'cy']);\n    ({cx, cy} = c);\n    if (curConfig.gridSnapping) {\n      x = snapToGrid(x);\n      cx = snapToGrid(cx);\n      y = snapToGrid(y);\n      cy = snapToGrid(cy);\n    }\n    shape.setAttributeNS(null, 'rx', Math.abs(x - cx));\n    const ry = Math.abs(evt.shiftKey ? (x - cx) : (y - cy));\n    shape.setAttributeNS(null, 'ry', ry);\n    break;\n  }\n  case 'fhellipse':\n  case 'fhrect': {\n    freehand.minx = Math.min(realX, freehand.minx);\n    freehand.maxx = Math.max(realX, freehand.maxx);\n    freehand.miny = Math.min(realY, freehand.miny);\n    freehand.maxy = Math.max(realY, freehand.maxy);\n  }\n  // Fallthrough\n  case 'fhpath': {\n    // dAttr += + realX + ',' + realY + ' ';\n    // shape.setAttributeNS(null, 'points', dAttr);\n    end.x = realX; end.y = realY;\n    if (controllPoint2.x && controllPoint2.y) {\n      for (i = 0; i < STEP_COUNT - 1; i++) {\n        parameter = i / STEP_COUNT;\n        nextParameter = (i + 1) / STEP_COUNT;\n        bSpline = getBsplinePoint(nextParameter);\n        nextPos = bSpline;\n        bSpline = getBsplinePoint(parameter);\n        sumDistance += Math.sqrt((nextPos.x - bSpline.x) * (nextPos.x - bSpline.x) + (nextPos.y - bSpline.y) * (nextPos.y - bSpline.y));\n        if (sumDistance > THRESHOLD_DIST) {\n          sumDistance -= THRESHOLD_DIST;\n\n          // Faster than completely re-writing the points attribute.\n          const point = svgcontent.createSVGPoint();\n          point.x = bSpline.x;\n          point.y = bSpline.y;\n          shape.points.appendItem(point);\n        }\n      }\n    }\n    controllPoint2 = {x: controllPoint1.x, y: controllPoint1.y};\n    controllPoint1 = {x: start.x, y: start.y};\n    start = {x: end.x, y: end.y};\n    break;\n  // update path stretch line coordinates\n  } case 'path': {\n  }\n  // fall through\n  case 'pathedit': {\n    x *= currentZoom;\n    y *= currentZoom;\n\n    if (curConfig.gridSnapping) {\n      x = snapToGrid(x);\n      y = snapToGrid(y);\n      startX = snapToGrid(startX);\n      startY = snapToGrid(startY);\n    }\n    if (evt.shiftKey) {\n      const {path} = pathModule;\n      let x1, y1;\n      if (path) {\n        x1 = path.dragging ? path.dragging[0] : startX;\n        y1 = path.dragging ? path.dragging[1] : startY;\n      } else {\n        x1 = startX;\n        y1 = startY;\n      }\n      xya = snapToAngle(x1, y1, x, y);\n      ({x, y} = xya);\n    }\n\n    if (rubberBox && rubberBox.getAttribute('display') !== 'none') {\n      realX *= currentZoom;\n      realY *= currentZoom;\n      assignAttributes(rubberBox, {\n        x: Math.min(rStartX * currentZoom, realX),\n        y: Math.min(rStartY * currentZoom, realY),\n        width: Math.abs(realX - rStartX * currentZoom),\n        height: Math.abs(realY - rStartY * currentZoom)\n      }, 100);\n    }\n    pathActions.mouseMove(x, y);\n\n    break;\n  } case 'textedit': {\n    x *= currentZoom;\n    y *= currentZoom;\n    // if (rubberBox && rubberBox.getAttribute('display') !== 'none') {\n    //   assignAttributes(rubberBox, {\n    //     x: Math.min(startX, x),\n    //     y: Math.min(startY, y),\n    //     width: Math.abs(x - startX),\n    //     height: Math.abs(y - startY)\n    //   }, 100);\n    // }\n\n    textActions.mouseMove(mouseX, mouseY);\n\n    break;\n  } case 'rotate': {\n    box = utilsGetBBox(selected);\n    cx = box.x + box.width / 2;\n    cy = box.y + box.height / 2;\n    const m = getMatrix(selected),\n      center = transformPoint(cx, cy, m);\n    cx = center.x;\n    cy = center.y;\n    angle = ((Math.atan2(cy - y, cx - x) * (180 / Math.PI)) - 90) % 360;\n    if (curConfig.gridSnapping) {\n      angle = snapToGrid(angle);\n    }\n    if (evt.shiftKey) { // restrict rotations to nice angles (WRS)\n      const snap = 45;\n      angle = Math.round(angle / snap) * snap;\n    }\n\n    canvas.setRotationAngle(angle < -180 ? (360 + angle) : angle, true);\n    call('transition', selectedElements);\n    break;\n  } default:\n    break;\n  }\n\n  /**\n  * The mouse has moved on the canvas area\n  * @event module:svgcanvas.SvgCanvas#event:ext-mouseMove\n  * @type {PlainObject}\n  * @property {MouseEvent} event The event object\n  * @property {Float} mouse_x x coordinate on canvas\n  * @property {Float} mouse_y y coordinate on canvas\n  * @property {Element} selected Refers to the first selected element\n  */\n  runExtensions('mouseMove', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseMove} */ {\n    event: evt,\n    mouse_x: mouseX,\n    mouse_y: mouseY,\n    selected\n  });\n}; // mouseMove()\n\n// - in create mode, the element's opacity is set properly, we create an InsertElementCommand\n// and store it on the Undo stack\n// - in move/resize mode, the element's attributes which were affected by the move/resize are\n// identified, a ChangeElementCommand is created and stored on the stack for those attrs\n// this is done in when we recalculate the selected dimensions()\n/**\n *\n * @param {MouseEvent} evt\n * @fires module:svgcanvas.SvgCanvas#event:zoomed\n * @fires module:svgcanvas.SvgCanvas#event:changed\n * @fires module:svgcanvas.SvgCanvas#event:ext-mouseUp\n * @returns {undefined}\n */\nconst mouseUp = function (evt) {\n  if (evt.button === 2) { return; }\n  const tempJustSelected = justSelected;\n  justSelected = null;\n  if (!started) { return; }\n  const pt = transformPoint(evt.pageX, evt.pageY, rootSctm),\n    mouseX = pt.x * currentZoom,\n    mouseY = pt.y * currentZoom,\n    x = mouseX / currentZoom,\n    y = mouseY / currentZoom;\n\n  let element = getElem(getId());\n  let keep = false;\n\n  const realX = x;\n  const realY = y;\n\n  // TODO: Make true when in multi-unit mode\n  const useUnit = false; // (curConfig.baseUnit !== 'px');\n  started = false;\n  let attrs, t;\n  switch (currentMode) {\n  // intentionally fall-through to select here\n  case 'resize':\n  case 'multiselect':\n    if (rubberBox != null) {\n      rubberBox.setAttribute('display', 'none');\n      curBBoxes = [];\n    }\n    currentMode = 'select';\n    // Fallthrough\n  case 'select':\n    if (selectedElements[0] != null) {\n      // if we only have one selected element\n      if (selectedElements[1] == null) {\n        // set our current stroke/fill properties to the element's\n        const selected = selectedElements[0];\n        switch (selected.tagName) {\n        case 'g':\n        case 'use':\n        case 'image':\n        case 'foreignObject':\n          break;\n        default:\n          curProperties.fill = selected.getAttribute('fill');\n          curProperties.fill_opacity = selected.getAttribute('fill-opacity');\n          curProperties.stroke = selected.getAttribute('stroke');\n          curProperties.stroke_opacity = selected.getAttribute('stroke-opacity');\n          curProperties.stroke_width = selected.getAttribute('stroke-width');\n          curProperties.stroke_dasharray = selected.getAttribute('stroke-dasharray');\n          curProperties.stroke_linejoin = selected.getAttribute('stroke-linejoin');\n          curProperties.stroke_linecap = selected.getAttribute('stroke-linecap');\n        }\n\n        if (selected.tagName === 'text') {\n          curText.font_size = selected.getAttribute('font-size');\n          curText.font_family = selected.getAttribute('font-family');\n        }\n        selectorManager.requestSelector(selected).showGrips(true);\n\n        // This shouldn't be necessary as it was done on mouseDown...\n        // call('selected', [selected]);\n      }\n      // always recalculate dimensions to strip off stray identity transforms\n      recalculateAllSelectedDimensions();\n      // if it was being dragged/resized\n      if (realX !== rStartX || realY !== rStartY) {\n        const len = selectedElements.length;\n        for (let i = 0; i < len; ++i) {\n          if (selectedElements[i] == null) { break; }\n          if (!selectedElements[i].firstChild) {\n            // Not needed for groups (incorrectly resizes elems), possibly not needed at all?\n            selectorManager.requestSelector(selectedElements[i]).resize();\n          }\n        }\n      // no change in position/size, so maybe we should move to pathedit\n      } else {\n        t = evt.target;\n        if (selectedElements[0].nodeName === 'path' && selectedElements[1] == null) {\n          pathActions.select(selectedElements[0]);\n        // if it was a path\n        // else, if it was selected and this is a shift-click, remove it from selection\n        } else if (evt.shiftKey) {\n          if (tempJustSelected !== t) {\n            canvas.removeFromSelection([t]);\n          }\n        }\n      } // no change in mouse position\n\n      // Remove non-scaling stroke\n      if (supportsNonScalingStroke()) {\n        const elem = selectedElements[0];\n        if (elem) {\n          elem.removeAttribute('style');\n          walkTree(elem, function (elem) {\n            elem.removeAttribute('style');\n          });\n        }\n      }\n    }\n    return;\n  case 'zoom':\n    if (rubberBox != null) {\n      rubberBox.setAttribute('display', 'none');\n    }\n    const factor = evt.shiftKey ? 0.5 : 2;\n    call('zoomed', {\n      x: Math.min(rStartX, realX),\n      y: Math.min(rStartY, realY),\n      width: Math.abs(realX - rStartX),\n      height: Math.abs(realY - rStartY),\n      factor\n    });\n    return;\n  case 'fhpath':\n    // Check that the path contains at least 2 points; a degenerate one-point path\n    // causes problems.\n    // Webkit ignores how we set the points attribute with commas and uses space\n    // to separate all coordinates, see https://bugs.webkit.org/show_bug.cgi?id=29870\n    sumDistance = 0;\n    controllPoint2 = {x: 0, y: 0};\n    controllPoint1 = {x: 0, y: 0};\n    start = {x: 0, y: 0};\n    end = {x: 0, y: 0};\n    const coords = element.getAttribute('points');\n    const commaIndex = coords.indexOf(',');\n    if (commaIndex >= 0) {\n      keep = coords.indexOf(',', commaIndex + 1) >= 0;\n    } else {\n      keep = coords.indexOf(' ', coords.indexOf(' ') + 1) >= 0;\n    }\n    if (keep) {\n      element = pathActions.smoothPolylineIntoPath(element);\n    }\n    break;\n  case 'line':\n    attrs = $(element).attr(['x1', 'x2', 'y1', 'y2']);\n    keep = (attrs.x1 !== attrs.x2 || attrs.y1 !== attrs.y2);\n    break;\n  case 'foreignObject':\n  case 'square':\n  case 'rect':\n  case 'image':\n    attrs = $(element).attr(['width', 'height']);\n    // Image should be kept regardless of size (use inherit dimensions later)\n    keep = (attrs.width || attrs.height) || currentMode === 'image';\n    break;\n  case 'circle':\n    keep = (element.getAttribute('r') !== '0');\n    break;\n  case 'ellipse':\n    attrs = $(element).attr(['rx', 'ry']);\n    keep = (attrs.rx || attrs.ry);\n    break;\n  case 'fhellipse':\n    if ((freehand.maxx - freehand.minx) > 0 &&\n      (freehand.maxy - freehand.miny) > 0) {\n      element = addSVGElementFromJson({\n        element: 'ellipse',\n        curStyles: true,\n        attr: {\n          cx: (freehand.minx + freehand.maxx) / 2,\n          cy: (freehand.miny + freehand.maxy) / 2,\n          rx: (freehand.maxx - freehand.minx) / 2,\n          ry: (freehand.maxy - freehand.miny) / 2,\n          id: getId()\n        }\n      });\n      call('changed', [element]);\n      keep = true;\n    }\n    break;\n  case 'fhrect':\n    if ((freehand.maxx - freehand.minx) > 0 &&\n      (freehand.maxy - freehand.miny) > 0) {\n      element = addSVGElementFromJson({\n        element: 'rect',\n        curStyles: true,\n        attr: {\n          x: freehand.minx,\n          y: freehand.miny,\n          width: (freehand.maxx - freehand.minx),\n          height: (freehand.maxy - freehand.miny),\n          id: getId()\n        }\n      });\n      call('changed', [element]);\n      keep = true;\n    }\n    break;\n  case 'text':\n    keep = true;\n    selectOnly([element]);\n    textActions.start(element);\n    break;\n  case 'path':\n    // set element to null here so that it is not removed nor finalized\n    element = null;\n    // continue to be set to true so that mouseMove happens\n    started = true;\n\n    const res = pathActions.mouseUp(evt, element, mouseX, mouseY);\n    ({element} = res);\n    ({keep} = res);\n    break;\n  case 'pathedit':\n    keep = true;\n    element = null;\n    pathActions.mouseUp(evt);\n    break;\n  case 'textedit':\n    keep = false;\n    element = null;\n    textActions.mouseUp(evt, mouseX, mouseY);\n    break;\n  case 'rotate':\n    keep = true;\n    element = null;\n    currentMode = 'select';\n    const batchCmd = canvas.undoMgr.finishUndoableChange();\n    if (!batchCmd.isEmpty()) {\n      addCommandToHistory(batchCmd);\n    }\n    // perform recalculation to weed out any stray identity transforms that might get stuck\n    recalculateAllSelectedDimensions();\n    call('changed', selectedElements);\n    break;\n  default:\n    // This could occur in an extension\n    break;\n  }\n\n  /**\n  * The main (left) mouse button is released (anywhere)\n  * @event module:svgcanvas.SvgCanvas#event:ext-mouseUp\n  * @type {PlainObject}\n  * @property {MouseEvent} event The event object\n  * @property {Float} mouse_x x coordinate on canvas\n  * @property {Float} mouse_y y coordinate on canvas\n  */\n  const extResult = runExtensions('mouseUp', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseUp} */ {\n    event: evt,\n    mouse_x: mouseX,\n    mouse_y: mouseY\n  }, true);\n\n  $.each(extResult, function (i, r) {\n    if (r) {\n      keep = r.keep || keep;\n      ({element} = r);\n      started = r.started || started;\n    }\n  });\n\n  if (!keep && element != null) {\n    getCurrentDrawing().releaseId(getId());\n    element.remove();\n    element = null;\n\n    t = evt.target;\n\n    // if this element is in a group, go up until we reach the top-level group\n    // just below the layer groups\n    // TODO: once we implement links, we also would have to check for <a> elements\n    while (t && t.parentNode && t.parentNode.parentNode && t.parentNode.parentNode.tagName === 'g') {\n      t = t.parentNode;\n    }\n    // if we are not in the middle of creating a path, and we've clicked on some shape,\n    // then go to Select mode.\n    // WebKit returns <div> when the canvas is clicked, Firefox/Opera return <svg>\n    if ((currentMode !== 'path' || !drawnPath) &&\n      t && t.parentNode &&\n      t.parentNode.id !== 'selectorParentGroup' &&\n      t.id !== 'svgcanvas' && t.id !== 'svgroot'\n    ) {\n      // switch into \"select\" mode if we've clicked on an element\n      canvas.setMode('select');\n      selectOnly([t], true);\n    }\n  } else if (element != null) {\n    /**\n    * @name module:svgcanvas.SvgCanvas#addedNew\n    * @type {boolean}\n    */\n    canvas.addedNew = true;\n\n    if (useUnit) { convertAttrs(element); }\n\n    let aniDur = 0.2;\n    let cAni;\n    if (opacAni.beginElement && parseFloat(element.getAttribute('opacity')) !== curShape.opacity) {\n      cAni = $(opacAni).clone().attr({\n        to: curShape.opacity,\n        dur: aniDur\n      }).appendTo(element);\n      try {\n        // Fails in FF4 on foreignObject\n        cAni[0].beginElement();\n      } catch (e) {}\n    } else {\n      aniDur = 0;\n    }\n\n    // Ideally this would be done on the endEvent of the animation,\n    // but that doesn't seem to be supported in Webkit\n    setTimeout(function () {\n      if (cAni) { cAni.remove(); }\n      element.setAttribute('opacity', curShape.opacity);\n      element.setAttribute('style', 'pointer-events:inherit');\n      cleanupElement(element);\n      if (currentMode === 'path') {\n        pathActions.toEditMode(element);\n      } else if (curConfig.selectNew) {\n        selectOnly([element], true);\n      }\n      // we create the insert command that is stored on the stack\n      // undo means to call cmd.unapply(), redo means to call cmd.apply()\n      addCommandToHistory(new InsertElementCommand(element));\n\n      call('changed', [element]);\n    }, aniDur * 1000);\n  }\n\n  startTransform = null;\n};\n\nconst dblClick = function (evt) {\n  const evtTarget = evt.target;\n  const parent = evtTarget.parentNode;\n\n  // Do nothing if already in current group\n  if (parent === currentGroup) { return; }\n\n  let mouseTarget = getMouseTarget(evt);\n  const {tagName} = mouseTarget;\n\n  if (tagName === 'text' && currentMode !== 'textedit') {\n    const pt = transformPoint(evt.pageX, evt.pageY, rootSctm);\n    textActions.select(mouseTarget, pt.x, pt.y);\n  }\n\n  if ((tagName === 'g' || tagName === 'a') &&\n    getRotationAngle(mouseTarget)\n  ) {\n    // TODO: Allow method of in-group editing without having to do\n    // this (similar to editing rotated paths)\n\n    // Ungroup and regroup\n    pushGroupProperties(mouseTarget);\n    mouseTarget = selectedElements[0];\n    clearSelection(true);\n  }\n  // Reset context\n  if (currentGroup) {\n    draw.leaveContext();\n  }\n\n  if ((parent.tagName !== 'g' && parent.tagName !== 'a') ||\n    parent === getCurrentDrawing().getCurrentLayer() ||\n    mouseTarget === selectorManager.selectorParentGroup\n  ) {\n    // Escape from in-group edit\n    return;\n  }\n  draw.setContext(mouseTarget);\n};\n\n// prevent links from being followed in the canvas\nconst handleLinkInCanvas = function (e) {\n  e.preventDefault();\n  return false;\n};\n\n// Added mouseup to the container here.\n// TODO(codedread): Figure out why after the Closure compiler, the window mouseup is ignored.\n$(container).mousedown(mouseDown).mousemove(mouseMove).click(handleLinkInCanvas).dblclick(dblClick).mouseup(mouseUp);\n// $(window).mouseup(mouseUp);\n\n// TODO(rafaelcastrocouto): User preference for shift key and zoom factor\n$(container).bind(\n  'mousewheel DOMMouseScroll',\n  /**\n   * @param {Event} e\n   * @fires module:svgcanvas.SvgCanvas#event:updateCanvas\n   * @fires module:svgcanvas.SvgCanvas#event:zoomDone\n   * @returns {undefined}\n   */\n  function (e) {\n    if (!e.shiftKey) { return; }\n\n    e.preventDefault();\n    const evt = e.originalEvent;\n\n    rootSctm = $('#svgcontent g')[0].getScreenCTM().inverse();\n\n    const workarea = $('#workarea');\n    const scrbar = 15;\n    const rulerwidth = curConfig.showRulers ? 16 : 0;\n\n    // mouse relative to content area in content pixels\n    const pt = transformPoint(evt.pageX, evt.pageY, rootSctm);\n\n    // full work area width in screen pixels\n    const editorFullW = workarea.width();\n    const editorFullH = workarea.height();\n\n    // work area width minus scroll and ruler in screen pixels\n    const editorW = editorFullW - scrbar - rulerwidth;\n    const editorH = editorFullH - scrbar - rulerwidth;\n\n    // work area width in content pixels\n    const workareaViewW = editorW * rootSctm.a;\n    const workareaViewH = editorH * rootSctm.d;\n\n    // content offset from canvas in screen pixels\n    const wOffset = workarea.offset();\n    const wOffsetLeft = wOffset['left'] + rulerwidth;\n    const wOffsetTop = wOffset['top'] + rulerwidth;\n\n    const delta = (evt.wheelDelta) ? evt.wheelDelta : (evt.detail) ? -evt.detail : 0;\n    if (!delta) { return; }\n\n    let factor = Math.max(3 / 4, Math.min(4 / 3, (delta)));\n\n    let wZoom, hZoom;\n    if (factor > 1) {\n      wZoom = Math.ceil(editorW / workareaViewW * factor * 100) / 100;\n      hZoom = Math.ceil(editorH / workareaViewH * factor * 100) / 100;\n    } else {\n      wZoom = Math.floor(editorW / workareaViewW * factor * 100) / 100;\n      hZoom = Math.floor(editorH / workareaViewH * factor * 100) / 100;\n    }\n    let zoomlevel = Math.min(wZoom, hZoom);\n    zoomlevel = Math.min(10, Math.max(0.01, zoomlevel));\n    if (zoomlevel === currentZoom) {\n      return;\n    }\n    factor = zoomlevel / currentZoom;\n\n    // top left of workarea in content pixels before zoom\n    const topLeftOld = transformPoint(wOffsetLeft, wOffsetTop, rootSctm);\n\n    // top left of workarea in content pixels after zoom\n    const topLeftNew = {\n      x: pt.x - (pt.x - topLeftOld.x) / factor,\n      y: pt.y - (pt.y - topLeftOld.y) / factor\n    };\n\n    // top left of workarea in canvas pixels relative to content after zoom\n    const topLeftNewCanvas = {\n      x: topLeftNew.x * zoomlevel,\n      y: topLeftNew.y * zoomlevel\n    };\n\n    // new center in canvas pixels\n    const newCtr = {\n      x: topLeftNewCanvas.x - rulerwidth + editorFullW / 2,\n      y: topLeftNewCanvas.y - rulerwidth + editorFullH / 2\n    };\n\n    canvas.setZoom(zoomlevel);\n    $('#zoom').val((zoomlevel * 100).toFixed(1));\n\n    call('updateCanvas', {center: false, newCtr});\n    call('zoomDone');\n  }\n);\n}());\n\n/**\n* Group: Text edit functions\n* Functions relating to editing text elements\n* @namespace {PlainObject} textActions\n* @memberof module:svgcanvas.SvgCanvas#\n*/\nconst textActions = canvas.textActions = (function () {\nlet curtext;\nlet textinput;\nlet cursor;\nlet selblock;\nlet blinker;\nlet chardata = [];\nlet textbb; // , transbb;\nlet matrix;\nlet lastX, lastY;\nlet allowDbl;\n\nfunction setCursor (index) {\n  const empty = (textinput.value === '');\n  $(textinput).focus();\n\n  if (!arguments.length) {\n    if (empty) {\n      index = 0;\n    } else {\n      if (textinput.selectionEnd !== textinput.selectionStart) { return; }\n      index = textinput.selectionEnd;\n    }\n  }\n\n  const charbb = chardata[index];\n  if (!empty) {\n    textinput.setSelectionRange(index, index);\n  }\n  cursor = getElem('text_cursor');\n  if (!cursor) {\n    cursor = document.createElementNS(NS.SVG, 'line');\n    assignAttributes(cursor, {\n      id: 'text_cursor',\n      stroke: '#333',\n      'stroke-width': 1\n    });\n    cursor = getElem('selectorParentGroup').appendChild(cursor);\n  }\n\n  if (!blinker) {\n    blinker = setInterval(function () {\n      const show = (cursor.getAttribute('display') === 'none');\n      cursor.setAttribute('display', show ? 'inline' : 'none');\n    }, 600);\n  }\n\n  const startPt = ptToScreen(charbb.x, textbb.y);\n  const endPt = ptToScreen(charbb.x, (textbb.y + textbb.height));\n\n  assignAttributes(cursor, {\n    x1: startPt.x,\n    y1: startPt.y,\n    x2: endPt.x,\n    y2: endPt.y,\n    visibility: 'visible',\n    display: 'inline'\n  });\n\n  if (selblock) { selblock.setAttribute('d', ''); }\n}\n\nfunction setSelection (start, end, skipInput) {\n  if (start === end) {\n    setCursor(end);\n    return;\n  }\n\n  if (!skipInput) {\n    textinput.setSelectionRange(start, end);\n  }\n\n  selblock = getElem('text_selectblock');\n  if (!selblock) {\n    selblock = document.createElementNS(NS.SVG, 'path');\n    assignAttributes(selblock, {\n      id: 'text_selectblock',\n      fill: 'green',\n      opacity: 0.5,\n      style: 'pointer-events:none'\n    });\n    getElem('selectorParentGroup').append(selblock);\n  }\n\n  const startbb = chardata[start];\n  const endbb = chardata[end];\n\n  cursor.setAttribute('visibility', 'hidden');\n\n  const tl = ptToScreen(startbb.x, textbb.y),\n    tr = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y),\n    bl = ptToScreen(startbb.x, textbb.y + textbb.height),\n    br = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y + textbb.height);\n\n  const dstr = 'M' + tl.x + ',' + tl.y +\n    ' L' + tr.x + ',' + tr.y +\n    ' ' + br.x + ',' + br.y +\n    ' ' + bl.x + ',' + bl.y + 'z';\n\n  assignAttributes(selblock, {\n    d: dstr,\n    display: 'inline'\n  });\n}\n\nfunction getIndexFromPoint (mouseX, mouseY) {\n  // Position cursor here\n  const pt = svgroot.createSVGPoint();\n  pt.x = mouseX;\n  pt.y = mouseY;\n\n  // No content, so return 0\n  if (chardata.length === 1) { return 0; }\n  // Determine if cursor should be on left or right of character\n  let charpos = curtext.getCharNumAtPosition(pt);\n  if (charpos < 0) {\n    // Out of text range, look at mouse coords\n    charpos = chardata.length - 2;\n    if (mouseX <= chardata[0].x) {\n      charpos = 0;\n    }\n  } else if (charpos >= chardata.length - 2) {\n    charpos = chardata.length - 2;\n  }\n  const charbb = chardata[charpos];\n  const mid = charbb.x + (charbb.width / 2);\n  if (mouseX > mid) {\n    charpos++;\n  }\n  return charpos;\n}\n\nfunction setCursorFromPoint (mouseX, mouseY) {\n  setCursor(getIndexFromPoint(mouseX, mouseY));\n}\n\nfunction setEndSelectionFromPoint (x, y, apply) {\n  const i1 = textinput.selectionStart;\n  const i2 = getIndexFromPoint(x, y);\n\n  const start = Math.min(i1, i2);\n  const end = Math.max(i1, i2);\n  setSelection(start, end, !apply);\n}\n\nfunction screenToPt (xIn, yIn) {\n  const out = {\n    x: xIn,\n    y: yIn\n  };\n\n  out.x /= currentZoom;\n  out.y /= currentZoom;\n\n  if (matrix) {\n    const pt = transformPoint(out.x, out.y, matrix.inverse());\n    out.x = pt.x;\n    out.y = pt.y;\n  }\n\n  return out;\n}\n\nfunction ptToScreen (xIn, yIn) {\n  const out = {\n    x: xIn,\n    y: yIn\n  };\n\n  if (matrix) {\n    const pt = transformPoint(out.x, out.y, matrix);\n    out.x = pt.x;\n    out.y = pt.y;\n  }\n\n  out.x *= currentZoom;\n  out.y *= currentZoom;\n\n  return out;\n}\n\n/*\n// Not currently in use\nfunction hideCursor () {\n  if (cursor) {\n    cursor.setAttribute('visibility', 'hidden');\n  }\n}\n*/\n\nfunction selectAll (evt) {\n  setSelection(0, curtext.textContent.length);\n  $(this).unbind(evt);\n}\n\nfunction selectWord (evt) {\n  if (!allowDbl || !curtext) { return; }\n\n  const ept = transformPoint(evt.pageX, evt.pageY, rootSctm),\n    mouseX = ept.x * currentZoom,\n    mouseY = ept.y * currentZoom;\n  const pt = screenToPt(mouseX, mouseY);\n\n  const index = getIndexFromPoint(pt.x, pt.y);\n  const str = curtext.textContent;\n  const first = str.substr(0, index).replace(/[a-z0-9]+$/i, '').length;\n  const m = str.substr(index).match(/^[a-z0-9]+/i);\n  const last = (m ? m[0].length : 0) + index;\n  setSelection(first, last);\n\n  // Set tripleclick\n  $(evt.target).click(selectAll);\n  setTimeout(function () {\n    $(evt.target).unbind('click', selectAll);\n  }, 300);\n}\n\nreturn /** @lends module:svgcanvas.SvgCanvas#textActions */ {\n  /**\n  * @param {Element} target\n  * @param {Float} x\n  * @param {Float} y\n  * @returns {undefined}\n  */\n  select (target, x, y) {\n    curtext = target;\n    textActions.toEditMode(x, y);\n  },\n  /**\n  * @param {Element} elem\n  * @returns {undefined}\n  */\n  start (elem) {\n    curtext = elem;\n    textActions.toEditMode();\n  },\n  /**\n  * @param {external:MouseEvent} evt\n  * @param {Element} mouseTarget\n  * @param {Float} startX\n  * @param {Float} startY\n  * @returns {undefined}\n  */\n  mouseDown (evt, mouseTarget, startX, startY) {\n    const pt = screenToPt(startX, startY);\n\n    textinput.focus();\n    setCursorFromPoint(pt.x, pt.y);\n    lastX = startX;\n    lastY = startY;\n\n    // TODO: Find way to block native selection\n  },\n  /**\n  * @param {Float} mouseX\n  * @param {Float} mouseY\n  * @returns {undefined}\n  */\n  mouseMove (mouseX, mouseY) {\n    const pt = screenToPt(mouseX, mouseY);\n    setEndSelectionFromPoint(pt.x, pt.y);\n  },\n  /**\n  * @param {external:MouseEvent}\n  * @param {Float} mouseX\n  * @param {Float} mouseY\n  * @returns {undefined}\n  */\n  mouseUp (evt, mouseX, mouseY) {\n    const pt = screenToPt(mouseX, mouseY);\n\n    setEndSelectionFromPoint(pt.x, pt.y, true);\n\n    // TODO: Find a way to make this work: Use transformed BBox instead of evt.target\n    // if (lastX === mouseX && lastY === mouseY\n    //   && !rectsIntersect(transbb, {x: pt.x, y: pt.y, width: 0, height: 0})) {\n    //   textActions.toSelectMode(true);\n    // }\n\n    if (\n      evt.target !== curtext &&\n      mouseX < lastX + 2 &&\n      mouseX > lastX - 2 &&\n      mouseY < lastY + 2 &&\n      mouseY > lastY - 2\n    ) {\n      textActions.toSelectMode(true);\n    }\n  },\n  /**\n  * @function\n  * @param {Integer} index\n  * @returns {undefined}\n  */\n  setCursor,\n  /**\n  * @param {Float} x\n  * @param {Float} y\n  * @returns {undefined}\n  */\n  toEditMode (x, y) {\n    allowDbl = false;\n    currentMode = 'textedit';\n    selectorManager.requestSelector(curtext).showGrips(false);\n    // Make selector group accept clicks\n    /* const selector = */ selectorManager.requestSelector(curtext); // Do we need this? Has side effect of setting lock, so keeping for now, but next line wasn't being used\n    // const sel = selector.selectorRect;\n\n    textActions.init();\n\n    $(curtext).css('cursor', 'text');\n\n    // if (supportsEditableText()) {\n    //   curtext.setAttribute('editable', 'simple');\n    //   return;\n    // }\n\n    if (!arguments.length) {\n      setCursor();\n    } else {\n      const pt = screenToPt(x, y);\n      setCursorFromPoint(pt.x, pt.y);\n    }\n\n    setTimeout(function () {\n      allowDbl = true;\n    }, 300);\n  },\n  /**\n  * @param {boolean|Element} selectElem\n  * @fires module:svgcanvas.SvgCanvas#event:selected\n  * @returns {undefined}\n  */\n  toSelectMode (selectElem) {\n    currentMode = 'select';\n    clearInterval(blinker);\n    blinker = null;\n    if (selblock) { $(selblock).attr('display', 'none'); }\n    if (cursor) { $(cursor).attr('visibility', 'hidden'); }\n    $(curtext).css('cursor', 'move');\n\n    if (selectElem) {\n      clearSelection();\n      $(curtext).css('cursor', 'move');\n\n      call('selected', [curtext]);\n      addToSelection([curtext], true);\n    }\n    if (curtext && !curtext.textContent.length) {\n      // No content, so delete\n      canvas.deleteSelectedElements();\n    }\n\n    $(textinput).blur();\n\n    curtext = false;\n\n    // if (supportsEditableText()) {\n    //   curtext.removeAttribute('editable');\n    // }\n  },\n  /**\n  * @param {Element} elem\n  * @returns {undefined}\n  */\n  setInputElem (elem) {\n    textinput = elem;\n    // $(textinput).blur(hideCursor);\n  },\n  /**\n  * @returns {undefined}\n  */\n  clear () {\n    if (currentMode === 'textedit') {\n      textActions.toSelectMode();\n    }\n  },\n  /**\n  * @param {Element} inputElem Not in use\n  * @returns {undefined}\n  */\n  init (inputElem) {\n    if (!curtext) { return; }\n    let i, end;\n    // if (supportsEditableText()) {\n    //   curtext.select();\n    //   return;\n    // }\n\n    if (!curtext.parentNode) {\n      // Result of the ffClone, need to get correct element\n      curtext = selectedElements[0];\n      selectorManager.requestSelector(curtext).showGrips(false);\n    }\n\n    const str = curtext.textContent;\n    const len = str.length;\n\n    const xform = curtext.getAttribute('transform');\n\n    textbb = utilsGetBBox(curtext);\n\n    matrix = xform ? getMatrix(curtext) : null;\n\n    chardata = [];\n    chardata.length = len;\n    textinput.focus();\n\n    $(curtext).unbind('dblclick', selectWord).dblclick(selectWord);\n\n    if (!len) {\n      end = {x: textbb.x + (textbb.width / 2), width: 0};\n    }\n\n    for (i = 0; i < len; i++) {\n      const start = curtext.getStartPositionOfChar(i);\n      end = curtext.getEndPositionOfChar(i);\n\n      if (!supportsGoodTextCharPos()) {\n        const offset = canvas.contentW * currentZoom;\n        start.x -= offset;\n        end.x -= offset;\n\n        start.x /= currentZoom;\n        end.x /= currentZoom;\n      }\n\n      // Get a \"bbox\" equivalent for each character. Uses the\n      // bbox data of the actual text for y, height purposes\n\n      // TODO: Decide if y, width and height are actually necessary\n      chardata[i] = {\n        x: start.x,\n        y: textbb.y, // start.y?\n        width: end.x - start.x,\n        height: textbb.height\n      };\n    }\n\n    // Add a last bbox for cursor at end of text\n    chardata.push({\n      x: end.x,\n      width: 0\n    });\n    setSelection(textinput.selectionStart, textinput.selectionEnd, true);\n  }\n};\n}());\n\n/**\n* Group: Serialization\n*/\n\n/**\n* Looks at DOM elements inside the `<defs>` to see if they are referred to,\n* removes them from the DOM if they are not.\n* @function module:svgcanvas.SvgCanvas#removeUnusedDefElems\n* @returns {Integer} The number of elements that were removed\n*/\nconst removeUnusedDefElems = this.removeUnusedDefElems = function () {\n  const defs = svgcontent.getElementsByTagNameNS(NS.SVG, 'defs');\n  if (!defs || !defs.length) { return 0; }\n\n  // if (!defs.firstChild) { return; }\n\n  const defelemUses = [];\n  let numRemoved = 0;\n  const attrs = ['fill', 'stroke', 'filter', 'marker-start', 'marker-mid', 'marker-end'];\n  const alen = attrs.length;\n\n  const allEls = svgcontent.getElementsByTagNameNS(NS.SVG, '*');\n  const allLen = allEls.length;\n\n  let i, j;\n  for (i = 0; i < allLen; i++) {\n    const el = allEls[i];\n    for (j = 0; j < alen; j++) {\n      const ref = getUrlFromAttr(el.getAttribute(attrs[j]));\n      if (ref) {\n        defelemUses.push(ref.substr(1));\n      }\n    }\n\n    // gradients can refer to other gradients\n    const href = getHref(el);\n    if (href && href.startsWith('#')) {\n      defelemUses.push(href.substr(1));\n    }\n  }\n\n  const defelems = $(defs).find('linearGradient, radialGradient, filter, marker, svg, symbol');\n  i = defelems.length;\n  while (i--) {\n    const defelem = defelems[i];\n    const {id} = defelem;\n    if (!defelemUses.includes(id)) {\n      // Not found, so remove (but remember)\n      removedElements[id] = defelem;\n      defelem.remove();\n      numRemoved++;\n    }\n  }\n\n  return numRemoved;\n};\n\n/**\n* Main function to set up the SVG content for output\n* @function module:svgcanvas.SvgCanvas#svgCanvasToString\n* @returns {string} The SVG image for output\n*/\nthis.svgCanvasToString = function () {\n  // keep calling it until there are none to remove\n  while (removeUnusedDefElems() > 0) {}\n\n  pathActions.clear(true);\n\n  // Keep SVG-Edit comment on top\n  $.each(svgcontent.childNodes, function (i, node) {\n    if (i && node.nodeType === 8 && node.data.includes('Created with')) {\n      svgcontent.firstChild.before(node);\n    }\n  });\n\n  // Move out of in-group editing mode\n  if (currentGroup) {\n    draw.leaveContext();\n    selectOnly([currentGroup]);\n  }\n\n  const nakedSvgs = [];\n\n  // Unwrap gsvg if it has no special attributes (only id and style)\n  $(svgcontent).find('g:data(gsvg)').each(function () {\n    const attrs = this.attributes;\n    let len = attrs.length;\n    for (let i = 0; i < len; i++) {\n      if (attrs[i].nodeName === 'id' || attrs[i].nodeName === 'style') {\n        len--;\n      }\n    }\n    // No significant attributes, so ungroup\n    if (len <= 0) {\n      const svg = this.firstChild;\n      nakedSvgs.push(svg);\n      $(this).replaceWith(svg);\n    }\n  });\n  const output = this.svgToString(svgcontent, 0);\n\n  // Rewrap gsvg\n  if (nakedSvgs.length) {\n    $(nakedSvgs).each(function () {\n      groupSvgElem(this);\n    });\n  }\n\n  return output;\n};\n\n/**\n* Sub function ran on each SVG element to convert it to a string as desired\n* @function module:svgcanvas.SvgCanvas#svgToString\n* @param {Element} elem - The SVG element to convert\n* @param {Integer} indent - Number of spaces to indent this tag\n* @returns {string} The given element as an SVG tag\n*/\nthis.svgToString = function (elem, indent) {\n  const out = [];\n  const unit = curConfig.baseUnit;\n  const unitRe = new RegExp('^-?[\\\\d\\\\.]+' + unit + '$');\n\n  if (elem) {\n    cleanupElement(elem);\n    const attrs = Array.from(elem.attributes);\n    let i;\n    const childs = elem.childNodes;\n    attrs.sort((a, b) => a.name > b.name ? -1 : 1);\n\n    for (i = 0; i < indent; i++) { out.push(' '); }\n    out.push('<'); out.push(elem.nodeName);\n    if (elem.id === 'svgcontent') {\n      // Process root element separately\n      const res = getResolution();\n\n      const vb = '';\n      // TODO: Allow this by dividing all values by current baseVal\n      // Note that this also means we should properly deal with this on import\n      // if (curConfig.baseUnit !== 'px') {\n      //   const unit = curConfig.baseUnit;\n      //   const unitM = getTypeMap()[unit];\n      //   res.w = shortFloat(res.w / unitM);\n      //   res.h = shortFloat(res.h / unitM);\n      //   vb = ' viewBox=\"' + [0, 0, res.w, res.h].join(' ') + '\"';\n      //   res.w += unit;\n      //   res.h += unit;\n      // }\n\n      if (unit !== 'px') {\n        res.w = convertUnit(res.w, unit) + unit;\n        res.h = convertUnit(res.h, unit) + unit;\n      }\n\n      out.push(' width=\"' + res.w + '\" height=\"' + res.h + '\"' + vb + ' xmlns=\"' + NS.SVG + '\"');\n\n      const nsuris = {};\n\n      // Check elements for namespaces, add if found\n      $(elem).find('*').andSelf().each(function () {\n        // const el = this;\n        // for some elements have no attribute\n        const uri = this.namespaceURI;\n        if (uri && !nsuris[uri] && nsMap[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {\n          nsuris[uri] = true;\n          out.push(' xmlns:' + nsMap[uri] + '=\"' + uri + '\"');\n        }\n\n        $.each(this.attributes, function (i, attr) {\n          const uri = attr.namespaceURI;\n          if (uri && !nsuris[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {\n            nsuris[uri] = true;\n            out.push(' xmlns:' + nsMap[uri] + '=\"' + uri + '\"');\n          }\n        });\n      });\n\n      i = attrs.length;\n      const attrNames = ['width', 'height', 'xmlns', 'x', 'y', 'viewBox', 'id', 'overflow'];\n      while (i--) {\n        const attr = attrs[i];\n        const attrVal = toXml(attr.value);\n\n        // Namespaces have already been dealt with, so skip\n        if (attr.nodeName.startsWith('xmlns:')) { continue; }\n\n        // only serialize attributes we don't use internally\n        if (attrVal !== '' && !attrNames.includes(attr.localName)) {\n          if (!attr.namespaceURI || nsMap[attr.namespaceURI]) {\n            out.push(' ');\n            out.push(attr.nodeName); out.push('=\"');\n            out.push(attrVal); out.push('\"');\n          }\n        }\n      }\n    } else {\n      // Skip empty defs\n      if (elem.nodeName === 'defs' && !elem.firstChild) { return; }\n\n      const mozAttrs = ['-moz-math-font-style', '_moz-math-font-style'];\n      for (i = attrs.length - 1; i >= 0; i--) {\n        const attr = attrs[i];\n        let attrVal = toXml(attr.value);\n        // remove bogus attributes added by Gecko\n        if (mozAttrs.includes(attr.localName)) { continue; }\n        if (attrVal !== '') {\n          if (attrVal.startsWith('pointer-events')) { continue; }\n          if (attr.localName === 'class' && attrVal.startsWith('se_')) { continue; }\n          out.push(' ');\n          if (attr.localName === 'd') { attrVal = pathActions.convertPath(elem, true); }\n          if (!isNaN(attrVal)) {\n            attrVal = shortFloat(attrVal);\n          } else if (unitRe.test(attrVal)) {\n            attrVal = shortFloat(attrVal) + unit;\n          }\n\n          // Embed images when saving\n          if (saveOptions.apply &&\n            elem.nodeName === 'image' &&\n            attr.localName === 'href' &&\n            saveOptions.images &&\n            saveOptions.images === 'embed'\n          ) {\n            const img = encodableImages[attrVal];\n            if (img) { attrVal = img; }\n          }\n\n          // map various namespaces to our fixed namespace prefixes\n          // (the default xmlns attribute itself does not get a prefix)\n          if (!attr.namespaceURI || attr.namespaceURI === NS.SVG || nsMap[attr.namespaceURI]) {\n            out.push(attr.nodeName); out.push('=\"');\n            out.push(attrVal); out.push('\"');\n          }\n        }\n      }\n    }\n\n    if (elem.hasChildNodes()) {\n      out.push('>');\n      indent++;\n      let bOneLine = false;\n\n      for (i = 0; i < childs.length; i++) {\n        const child = childs.item(i);\n        switch (child.nodeType) {\n        case 1: // element node\n          out.push('\\n');\n          out.push(this.svgToString(childs.item(i), indent));\n          break;\n        case 3: // text node\n          const str = child.nodeValue.replace(/^\\s+|\\s+$/g, '');\n          if (str !== '') {\n            bOneLine = true;\n            out.push(String(toXml(str)));\n          }\n          break;\n        case 4: // cdata node\n          out.push('\\n');\n          out.push(new Array(indent + 1).join(' '));\n          out.push('<![CDATA[');\n          out.push(child.nodeValue);\n          out.push(']]>');\n          break;\n        case 8: // comment\n          out.push('\\n');\n          out.push(new Array(indent + 1).join(' '));\n          out.push('<!--');\n          out.push(child.data);\n          out.push('-->');\n          break;\n        } // switch on node type\n      }\n      indent--;\n      if (!bOneLine) {\n        out.push('\\n');\n        for (i = 0; i < indent; i++) { out.push(' '); }\n      }\n      out.push('</'); out.push(elem.nodeName); out.push('>');\n    } else {\n      out.push('/>');\n    }\n  }\n  return out.join('');\n}; // end svgToString()\n\n/**\n * Function to run when image data is found\n * @callback module:svgcanvas.ImageEmbeddedCallback\n * @param {string|false} result Data URL\n * @returns {undefined}\n */\n/**\n* Converts a given image file to a data URL when possible, then runs a given callback\n* @function module:svgcanvas.SvgCanvas#embedImage\n* @param {string} src - The path/URL of the image\n* @param {module:svgcanvas.ImageEmbeddedCallback} [callback] - Function to run when image data is found\n* @returns {Promise} Resolves to Data URL (string|false)\n*/\nthis.embedImage = function (src, callback) {\n  return new Promise(function (resolve, reject) {\n    // load in the image and once it's loaded, get the dimensions\n    $(new Image()).load(function (response, status, xhr) {\n      if (status === 'error') {\n        reject(new Error('Error loading image: ' + xhr.status + ' ' + xhr.statusText));\n        return;\n      }\n      // create a canvas the same size as the raster image\n      const cvs = document.createElement('canvas');\n      cvs.width = this.width;\n      cvs.height = this.height;\n      // load the raster image into the canvas\n      cvs.getContext('2d').drawImage(this, 0, 0);\n      // retrieve the data: URL\n      try {\n        let urldata = ';svgedit_url=' + encodeURIComponent(src);\n        urldata = cvs.toDataURL().replace(';base64', urldata + ';base64');\n        encodableImages[src] = urldata;\n      } catch (e) {\n        encodableImages[src] = false;\n      }\n      lastGoodImgUrl = src;\n      if (callback) { callback(encodableImages[src]); }\n      resolve(encodableImages[src]);\n    }).attr('src', src);\n  });\n};\n\n/**\n* Sets a given URL to be a \"last good image\" URL\n* @function module:svgcanvas.SvgCanvas#setGoodImage\n* @param {string} val\n* @returns {undefined}\n*/\nthis.setGoodImage = function (val) {\n  lastGoodImgUrl = val;\n};\n\n/**\n* Does nothing by default, handled by optional widget/extension\n* @function module:svgcanvas.SvgCanvas#open\n* @returns {undefined}\n*/\nthis.open = function () {\n};\n\n/**\n* Serializes the current drawing into SVG XML text and passes it to the 'saved' handler.\n* This function also includes the XML prolog. Clients of the `SvgCanvas` bind their save\n* function to the 'saved' event.\n* @function module:svgcanvas.SvgCanvas#save\n* @param {module:svgcanvas.SaveOptions} opts\n* @fires module:svgcanvas.SvgCanvas#event:saved\n* @returns {undefined}\n*/\nthis.save = function (opts) {\n  // remove the selected outline before serializing\n  clearSelection();\n  // Update save options if provided\n  if (opts) { $.extend(saveOptions, opts); }\n  saveOptions.apply = true;\n\n  // no need for doctype, see https://jwatt.org/svg/authoring/#doctype-declaration\n  const str = this.svgCanvasToString();\n  call('saved', str);\n};\n\n/**\n* Codes only is useful for locale-independent detection\n*/\nfunction getIssues () {\n  // remove the selected outline before serializing\n  clearSelection();\n\n  // Check for known CanVG issues\n  const issues = [];\n  const issueCodes = [];\n\n  // Selector and notice\n  const issueList = {\n    feGaussianBlur: uiStrings.exportNoBlur,\n    foreignObject: uiStrings.exportNoforeignObject,\n    '[stroke-dasharray]': uiStrings.exportNoDashArray\n  };\n  const content = $(svgcontent);\n\n  // Add font/text check if Canvas Text API is not implemented\n  if (!('font' in $('<canvas>')[0].getContext('2d'))) {\n    issueList.text = uiStrings.exportNoText;\n  }\n\n  $.each(issueList, function (sel, descr) {\n    if (content.find(sel).length) {\n      issueCodes.push(sel);\n      issues.push(descr);\n    }\n  });\n  return {issues, issueCodes};\n}\n\nlet canvg;\n/**\n* @typedef {\"feGaussianBlur\"|\"foreignObject\"|\"[stroke-dasharray]\"|\"text\"} module:svgcanvas.IssueCode\n*/\n/**\n* @typedef {PlainObject} module:svgcanvas.ImageExportedResults\n* @property {string} datauri Contents as a Data URL\n* @property {string} bloburl May be the empty string\n* @property {string} svg The SVG contents as a string\n* @property {string[]} issues The localization messages of `issueCodes`\n* @property {module:svgcanvas.IssueCode[]} issueCodes CanVG issues found with the SVG\n* @property {\"PNG\"|\"JPEG\"|\"BMP\"|\"WEBP\"|\"ICO\"} type The chosen image type\n* @property {\"image/png\"|\"image/jpeg\"|\"image/bmp\"|\"image/webp\"} mimeType The image MIME type\n* @property {Float} quality A decimal between 0 and 1 (for use with JPEG or WEBP)\n* @property {string} exportWindowName A convenience for passing along a `window.name` to target a window on which the export could be added\n*/\n\n/**\n * Function to run when image data is found\n * @callback module:svgcanvas.ImageExportedCallback\n * @param {module:svgcanvas.ImageExportedResults} obj\n * @returns {undefined}\n */\n/**\n* Generates a PNG (or JPG, BMP, WEBP) Data URL based on the current image,\n* then calls \"exported\" with an object including the string, image\n* information, and any issues found\n* @function module:svgcanvas.SvgCanvas#rasterExport\n* @param {\"PNG\"|\"JPEG\"|\"BMP\"|\"WEBP\"|\"ICO\"} [imgType=\"PNG\"]\n* @param {Float} [quality] Between 0 and 1\n* @param {string} [exportWindowName]\n* @param {module:svgcanvas.ImageExportedCallback} [cb]\n* @fires module:svgcanvas.SvgCanvas#event:exported\n* @todo Confirm/fix ICO type\n* @returns {Promise} Resolves to {@link module:svgcanvas.ImageExportedResults}\n*/\nthis.rasterExport = function (imgType, quality, exportWindowName, cb) {\n  const type = imgType === 'ICO' ? 'BMP' : (imgType || 'PNG');\n  const mimeType = 'image/' + type.toLowerCase();\n  const {issues, issueCodes} = getIssues();\n  const svg = this.svgCanvasToString();\n\n  return new Promise(async (resolve, reject) => {\n    if (!canvg) {\n      ({canvg} = await importSetGlobal(curConfig.canvgPath + 'canvg.js', {\n        global: 'canvg'\n      }));\n    }\n    if (!$('#export_canvas').length) {\n      $('<canvas>', {id: 'export_canvas'}).hide().appendTo('body');\n    }\n    const c = $('#export_canvas')[0];\n    c.width = canvas.contentW;\n    c.height = canvas.contentH;\n\n    await canvg(c, svg);\n    const dataURLType = type.toLowerCase();\n    const datauri = quality\n      ? c.toDataURL('image/' + dataURLType, quality)\n      : c.toDataURL('image/' + dataURLType);\n    let bloburl;\n    function done () {\n      const obj = {\n        datauri, bloburl, svg, issues, issueCodes, type: imgType,\n        mimeType, quality, exportWindowName\n      };\n      call('exported', obj);\n      if (cb) {\n        cb(obj);\n      }\n      resolve(obj);\n    }\n    if (c.toBlob) {\n      c.toBlob((blob) => {\n        bloburl = createObjectURL(blob);\n        done();\n      }, mimeType, quality);\n      return;\n    }\n    bloburl = dataURLToObjectURL(datauri);\n    done();\n  });\n};\n/**\n * @external jsPDF\n */\n/**\n * @typedef {undefined|\"save\"|\"arraybuffer\"|\"blob\"|\"datauristring\"|\"dataurlstring\"|\"dataurlnewwindow\"|\"datauri\"|\"dataurl\"} external:jsPDF.OutputType\n * @todo Newer version to add also allows these `outputType` values \"bloburi\"|\"bloburl\" which return strings, so document here and for `outputType` of `module:svgcanvas.PDFExportedResults` below if added\n*/\n/**\n* @typedef {PlainObject} module:svgcanvas.PDFExportedResults\n* @property {string} svg The SVG PDF output\n* @property {string|ArrayBuffer|Blob|window} output The output based on the `outputType`;\n* if `undefined`, \"datauristring\", \"dataurlstring\", \"datauri\",\n* or \"dataurl\", will be a string (`undefined` gives a document, while the others\n* build as Data URLs; \"datauri\" and \"dataurl\" change the location of the current page); if\n* \"arraybuffer\", will return `ArrayBuffer`; if \"blob\", returns a `Blob`;\n* if \"dataurlnewwindow\", will change the current page's location and return a string\n* if in Safari and no window object is found; otherwise opens in, and returns, a new `window`\n* object; if \"save\", will have the same return as \"dataurlnewwindow\" if\n* `navigator.getUserMedia` support is found without `URL.createObjectURL` support; otherwise\n* returns `undefined` but attempts to save\n* @property {external:jsPDF.OutputType} outputType\n* @property {string[]} issues The human-readable localization messages of corresponding `issueCodes`\n* @property {module:svgcanvas.IssueCode[]} issueCodes\n* @property {string} exportWindowName\n*/\n\n/**\n * Function to run when PDF data is found\n * @callback module:svgcanvas.PDFExportedCallback\n * @param {module:svgcanvas.PDFExportedResults} obj\n * @returns {undefined}\n */\n/**\n* Generates a PDF based on the current image, then calls \"exportedPDF\" with\n* an object including the string, the data URL, and any issues found\n* @function module:svgcanvas.SvgCanvas#exportPDF\n* @param {string} exportWindowName Will also be used for the download file name here\n* @param {external:jsPDF.OutputType} [outputType=\"dataurlstring\"]\n* @param {module:svgcanvas.PDFExportedCallback} cb\n* @fires module:svgcanvas.SvgCanvas#event:exportedPDF\n* @returns {Promise} Resolves to {@link module:svgcanvas.PDFExportedResults}\n*/\nthis.exportPDF = function (exportWindowName, outputType, cb) {\n  const that = this;\n  return new Promise(async (resolve, reject) => {\n    if (!window.jsPDF) {\n      // Todo: Switch to `import()` when widely supported and available (also allow customization of path)\n      await importScript([\n        // We do not currently have these paths configurable as they are\n        //   currently global-only, so not Rolled-up\n        'jspdf/underscore-min.js',\n        'jspdf/jspdf.min.js'\n      ]);\n\n      const modularVersion = !('svgEditor' in window) ||\n        !window.svgEditor ||\n        window.svgEditor.modules !== false;\n      // Todo: Switch to `import()` when widely supported and available (also allow customization of path)\n      await importScript(curConfig.jspdfPath + 'jspdf.plugin.svgToPdf.js', {\n        type: modularVersion\n          ? 'module'\n          : 'text/javascript'\n      });\n      // await importModule('jspdf/jspdf.plugin.svgToPdf.js');\n    }\n\n    const res = getResolution();\n    const orientation = res.w > res.h ? 'landscape' : 'portrait';\n    const unit = 'pt'; // curConfig.baseUnit; // We could use baseUnit, but that is presumably not intended for export purposes\n\n    // Todo: Give options to use predefined jsPDF formats like \"a4\", etc. from pull-down (with option to keep customizable)\n    const doc = jsPDF({\n      orientation,\n      unit,\n      format: [res.w, res.h]\n      // , compressPdf: true\n    });\n    const docTitle = getDocumentTitle();\n    doc.setProperties({\n      title: docTitle /* ,\n      subject: '',\n      author: '',\n      keywords: '',\n      creator: '' */\n    });\n    const {issues, issueCodes} = getIssues();\n    const svg = that.svgCanvasToString();\n    doc.addSVG(svg, 0, 0);\n\n    // doc.output('save'); // Works to open in a new\n    //  window; todo: configure this and other export\n    //  options to optionally work in this manner as\n    //  opposed to opening a new tab\n    outputType = outputType || 'dataurlstring';\n    const obj = {svg, issues, issueCodes, exportWindowName, outputType};\n    obj.output = doc.output(outputType, outputType === 'save' ? (exportWindowName || 'svg.pdf') : undefined);\n    if (cb) {\n      cb(obj);\n    }\n    resolve(obj);\n    call('exportedPDF', obj);\n  });\n};\n\n/**\n* Returns the current drawing as raw SVG XML text.\n* @function module:svgcanvas.SvgCanvas#getSvgString\n* @returns {string} The current drawing as raw SVG XML text.\n*/\nthis.getSvgString = function () {\n  saveOptions.apply = false;\n  return this.svgCanvasToString();\n};\n\n/**\n* This function determines whether to use a nonce in the prefix, when\n* generating IDs for future documents in SVG-Edit.\n* If you're controlling SVG-Edit externally, and want randomized IDs, call\n* this BEFORE calling svgCanvas.setSvgString\n* @function module:svgcanvas.SvgCanvas#randomizeIds\n* @param {boolean} [enableRandomization] If true, adds a nonce to the prefix. Thus\n* `svgCanvas.randomizeIds() <==> svgCanvas.randomizeIds(true)`\n* @returns {undefined}\n*/\nthis.randomizeIds = function (enableRandomization) {\n  if (arguments.length > 0 && enableRandomization === false) {\n    draw.randomizeIds(false, getCurrentDrawing());\n  } else {\n    draw.randomizeIds(true, getCurrentDrawing());\n  }\n};\n\n/**\n* Ensure each element has a unique ID\n* @function module:svgcanvas.SvgCanvas#uniquifyElems\n* @param {Element} g - The parent element of the tree to give unique IDs\n* @returns {undefined}\n*/\nconst uniquifyElems = this.uniquifyElems = function (g) {\n  const ids = {};\n  // TODO: Handle markers and connectors. These are not yet re-identified properly\n  // as their referring elements do not get remapped.\n  //\n  // <marker id='se_marker_end_svg_7'/>\n  // <polyline id='svg_7' se:connector='svg_1 svg_6' marker-end='url(#se_marker_end_svg_7)'/>\n  //\n  // Problem #1: if svg_1 gets renamed, we do not update the polyline's se:connector attribute\n  // Problem #2: if the polyline svg_7 gets renamed, we do not update the marker id nor the polyline's marker-end attribute\n  const refElems = ['filter', 'linearGradient', 'pattern', 'radialGradient', 'symbol', 'textPath', 'use'];\n\n  walkTree(g, function (n) {\n    // if it's an element node\n    if (n.nodeType === 1) {\n      // and the element has an ID\n      if (n.id) {\n        // and we haven't tracked this ID yet\n        if (!(n.id in ids)) {\n          // add this id to our map\n          ids[n.id] = {elem: null, attrs: [], hrefs: []};\n        }\n        ids[n.id].elem = n;\n      }\n\n      // now search for all attributes on this element that might refer\n      // to other elements\n      $.each(refAttrs, function (i, attr) {\n        const attrnode = n.getAttributeNode(attr);\n        if (attrnode) {\n          // the incoming file has been sanitized, so we should be able to safely just strip off the leading #\n          const url = getUrlFromAttr(attrnode.value),\n            refid = url ? url.substr(1) : null;\n          if (refid) {\n            if (!(refid in ids)) {\n              // add this id to our map\n              ids[refid] = {elem: null, attrs: [], hrefs: []};\n            }\n            ids[refid].attrs.push(attrnode);\n          }\n        }\n      });\n\n      // check xlink:href now\n      const href = getHref(n);\n      // TODO: what if an <image> or <a> element refers to an element internally?\n      if (href && refElems.includes(n.nodeName)) {\n        const refid = href.substr(1);\n        if (refid) {\n          if (!(refid in ids)) {\n            // add this id to our map\n            ids[refid] = {elem: null, attrs: [], hrefs: []};\n          }\n          ids[refid].hrefs.push(n);\n        }\n      }\n    }\n  });\n\n  // in ids, we now have a map of ids, elements and attributes, let's re-identify\n  for (const oldid in ids) {\n    if (!oldid) { continue; }\n    const {elem} = ids[oldid];\n    if (elem) {\n      const newid = getNextId();\n\n      // assign element its new id\n      elem.id = newid;\n\n      // remap all url() attributes\n      const {attrs} = ids[oldid];\n      let j = attrs.length;\n      while (j--) {\n        const attr = attrs[j];\n        attr.ownerElement.setAttribute(attr.name, 'url(#' + newid + ')');\n      }\n\n      // remap all href attributes\n      const hreffers = ids[oldid].hrefs;\n      let k = hreffers.length;\n      while (k--) {\n        const hreffer = hreffers[k];\n        setHref(hreffer, '#' + newid);\n      }\n    }\n  }\n};\n\n/**\n* Assigns reference data for each use element\n* @function module:svgcanvas.SvgCanvas#setUseData\n* @param {Element} parent\n* @returns {undefined}\n*/\nconst setUseData = this.setUseData = function (parent) {\n  let elems = $(parent);\n\n  if (parent.tagName !== 'use') {\n    elems = elems.find('use');\n  }\n\n  elems.each(function () {\n    const id = getHref(this).substr(1);\n    const refElem = getElem(id);\n    if (!refElem) { return; }\n    $(this).data('ref', refElem);\n    if (refElem.tagName === 'symbol' || refElem.tagName === 'svg') {\n      $(this).data('symbol', refElem).data('ref', refElem);\n    }\n  });\n};\n\n/**\n* Converts gradients from userSpaceOnUse to objectBoundingBox\n* @function module:svgcanvas.SvgCanvas#convertGradients\n* @param {Element} elem\n* @returns {undefined}\n*/\nconst convertGradients = this.convertGradients = function (elem) {\n  let elems = $(elem).find('linearGradient, radialGradient');\n  if (!elems.length && isWebkit()) {\n    // Bug in webkit prevents regular *Gradient selector search\n    elems = $(elem).find('*').filter(function () {\n      return (this.tagName.includes('Gradient'));\n    });\n  }\n\n  elems.each(function () {\n    const grad = this;\n    if ($(grad).attr('gradientUnits') === 'userSpaceOnUse') {\n      // TODO: Support more than one element with this ref by duplicating parent grad\n      const elems = $(svgcontent).find('[fill=\"url(#' + grad.id + ')\"],[stroke=\"url(#' + grad.id + ')\"]');\n      if (!elems.length) { return; }\n\n      // get object's bounding box\n      const bb = utilsGetBBox(elems[0]);\n\n      // This will occur if the element is inside a <defs> or a <symbol>,\n      // in which we shouldn't need to convert anyway.\n      if (!bb) { return; }\n\n      if (grad.tagName === 'linearGradient') {\n        const gCoords = $(grad).attr(['x1', 'y1', 'x2', 'y2']);\n\n        // If has transform, convert\n        const tlist = grad.gradientTransform.baseVal;\n        if (tlist && tlist.numberOfItems > 0) {\n          const m = transformListToTransform(tlist).matrix;\n          const pt1 = transformPoint(gCoords.x1, gCoords.y1, m);\n          const pt2 = transformPoint(gCoords.x2, gCoords.y2, m);\n\n          gCoords.x1 = pt1.x;\n          gCoords.y1 = pt1.y;\n          gCoords.x2 = pt2.x;\n          gCoords.y2 = pt2.y;\n          grad.removeAttribute('gradientTransform');\n        }\n\n        $(grad).attr({\n          x1: (gCoords.x1 - bb.x) / bb.width,\n          y1: (gCoords.y1 - bb.y) / bb.height,\n          x2: (gCoords.x2 - bb.x) / bb.width,\n          y2: (gCoords.y2 - bb.y) / bb.height\n        });\n        grad.removeAttribute('gradientUnits');\n      }\n      // else {\n      //   Note: radialGradient elements cannot be easily converted\n      //   because userSpaceOnUse will keep circular gradients, while\n      //   objectBoundingBox will x/y scale the gradient according to\n      //   its bbox.\n      //\n      //   For now we'll do nothing, though we should probably have\n      //   the gradient be updated as the element is moved, as\n      //   inkscape/illustrator do.\n      //\n      //   const gCoords = $(grad).attr(['cx', 'cy', 'r']);\n      //\n      //   $(grad).attr({\n      //     cx: (gCoords.cx - bb.x) / bb.width,\n      //     cy: (gCoords.cy - bb.y) / bb.height,\n      //     r: gCoords.r\n      //   });\n      //\n      //   grad.removeAttribute('gradientUnits');\n      // }\n    }\n  });\n};\n\n/**\n* Converts selected/given `<use>` or child SVG element to a group\n* @function module:svgcanvas.SvgCanvas#convertToGroup\n* @param {Element} elem\n* @fires module:svgcanvas.SvgCanvas#event:selected\n* @returns {undefined}\n*/\nconst convertToGroup = this.convertToGroup = function (elem) {\n  if (!elem) {\n    elem = selectedElements[0];\n  }\n  const $elem = $(elem);\n  const batchCmd = new BatchCommand();\n  let ts;\n\n  if ($elem.data('gsvg')) {\n    // Use the gsvg as the new group\n    const svg = elem.firstChild;\n    const pt = $(svg).attr(['x', 'y']);\n\n    $(elem.firstChild.firstChild).unwrap();\n    $(elem).removeData('gsvg');\n\n    const tlist = getTransformList(elem);\n    const xform = svgroot.createSVGTransform();\n    xform.setTranslate(pt.x, pt.y);\n    tlist.appendItem(xform);\n    recalculateDimensions(elem);\n    call('selected', [elem]);\n  } else if ($elem.data('symbol')) {\n    elem = $elem.data('symbol');\n\n    ts = $elem.attr('transform');\n    const pos = $elem.attr(['x', 'y']);\n\n    const vb = elem.getAttribute('viewBox');\n\n    if (vb) {\n      const nums = vb.split(' ');\n      pos.x -= +nums[0];\n      pos.y -= +nums[1];\n    }\n\n    // Not ideal, but works\n    ts += ' translate(' + (pos.x || 0) + ',' + (pos.y || 0) + ')';\n\n    const prev = $elem.prev();\n\n    // Remove <use> element\n    batchCmd.addSubCommand(new RemoveElementCommand($elem[0], $elem[0].nextSibling, $elem[0].parentNode));\n    $elem.remove();\n\n    // See if other elements reference this symbol\n    const hasMore = $(svgcontent).find('use:data(symbol)').length;\n\n    const g = svgdoc.createElementNS(NS.SVG, 'g');\n    const childs = elem.childNodes;\n\n    let i;\n    for (i = 0; i < childs.length; i++) {\n      g.append(childs[i].cloneNode(true));\n    }\n\n    // Duplicate the gradients for Gecko, since they weren't included in the <symbol>\n    if (isGecko()) {\n      const dupeGrads = $(findDefs()).children('linearGradient,radialGradient,pattern').clone();\n      $(g).append(dupeGrads);\n    }\n\n    if (ts) {\n      g.setAttribute('transform', ts);\n    }\n\n    const parent = elem.parentNode;\n\n    uniquifyElems(g);\n\n    // Put the dupe gradients back into <defs> (after uniquifying them)\n    if (isGecko()) {\n      $(findDefs()).append($(g).find('linearGradient,radialGradient,pattern'));\n    }\n\n    // now give the g itself a new id\n    g.id = getNextId();\n\n    prev.after(g);\n\n    if (parent) {\n      if (!hasMore) {\n        // remove symbol/svg element\n        const {nextSibling} = elem;\n        elem.remove();\n        batchCmd.addSubCommand(new RemoveElementCommand(elem, nextSibling, parent));\n      }\n      batchCmd.addSubCommand(new InsertElementCommand(g));\n    }\n\n    setUseData(g);\n\n    if (isGecko()) {\n      convertGradients(findDefs());\n    } else {\n      convertGradients(g);\n    }\n\n    // recalculate dimensions on the top-level children so that unnecessary transforms\n    // are removed\n    walkTreePost(g, function (n) {\n      try {\n        recalculateDimensions(n);\n      } catch (e) {\n        console.log(e);\n      }\n    });\n\n    // Give ID for any visible element missing one\n    $(g).find(visElems).each(function () {\n      if (!this.id) { this.id = getNextId(); }\n    });\n\n    selectOnly([g]);\n\n    const cm = pushGroupProperties(g, true);\n    if (cm) {\n      batchCmd.addSubCommand(cm);\n    }\n\n    addCommandToHistory(batchCmd);\n  } else {\n    console.log('Unexpected element to ungroup:', elem);\n  }\n};\n\n/**\n* This function sets the current drawing as the input SVG XML.\n* @function module:svgcanvas.SvgCanvas#setSvgString\n* @param {string} xmlString - The SVG as XML text.\n* @param {boolean} [preventUndo=false] - Indicates if we want to do the\n* changes without adding them to the undo stack - e.g. for initializing a\n* drawing on page load.\n* @fires module:svgcanvas.SvgCanvas#event:setnonce\n* @fires module:svgcanvas.SvgCanvas#event:unsetnonce\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {boolean} This function returns `false` if the set was\n*     unsuccessful, `true` otherwise.\n*/\nthis.setSvgString = function (xmlString, preventUndo) {\n  try {\n    // convert string into XML document\n    const newDoc = text2xml(xmlString);\n    if (newDoc.firstElementChild &&\n      newDoc.firstElementChild.namespaceURI !== NS.SVG) {\n      return false;\n    }\n\n    this.prepareSvg(newDoc);\n\n    const batchCmd = new BatchCommand('Change Source');\n\n    // remove old svg document\n    const {nextSibling} = svgcontent;\n    const oldzoom = svgroot.removeChild(svgcontent);\n    batchCmd.addSubCommand(new RemoveElementCommand(oldzoom, nextSibling, svgroot));\n\n    // set new svg document\n    // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()\n    if (svgdoc.adoptNode) {\n      svgcontent = svgdoc.adoptNode(newDoc.documentElement);\n    } else {\n      svgcontent = svgdoc.importNode(newDoc.documentElement, true);\n    }\n\n    svgroot.append(svgcontent);\n    const content = $(svgcontent);\n\n    canvas.current_drawing_ = new draw.Drawing(svgcontent, idprefix);\n\n    // retrieve or set the nonce\n    const nonce = getCurrentDrawing().getNonce();\n    if (nonce) {\n      call('setnonce', nonce);\n    } else {\n      call('unsetnonce');\n    }\n\n    // change image href vals if possible\n    content.find('image').each(function () {\n      const image = this;\n      preventClickDefault(image);\n      const val = getHref(this);\n      if (val) {\n        if (val.startsWith('data:')) {\n          // Check if an SVG-edit data URI\n          const m = val.match(/svgedit_url=(.*?);/);\n          if (m) {\n            const url = decodeURIComponent(m[1]);\n            $(new Image()).load(function () {\n              image.setAttributeNS(NS.XLINK, 'xlink:href', url);\n            }).attr('src', url);\n          }\n        }\n        // Add to encodableImages if it loads\n        canvas.embedImage(val);\n      }\n    });\n\n    // Wrap child SVGs in group elements\n    content.find('svg').each(function () {\n      // Skip if it's in a <defs>\n      if ($(this).closest('defs').length) { return; }\n\n      uniquifyElems(this);\n\n      // Check if it already has a gsvg group\n      const pa = this.parentNode;\n      if (pa.childNodes.length === 1 && pa.nodeName === 'g') {\n        $(pa).data('gsvg', this);\n        pa.id = pa.id || getNextId();\n      } else {\n        groupSvgElem(this);\n      }\n    });\n\n    // For Firefox: Put all paint elems in defs\n    if (isGecko()) {\n      content.find('linearGradient, radialGradient, pattern').appendTo(findDefs());\n    }\n\n    // Set ref element for <use> elements\n\n    // TODO: This should also be done if the object is re-added through \"redo\"\n    setUseData(content);\n\n    convertGradients(content[0]);\n\n    const attrs = {\n      id: 'svgcontent',\n      overflow: curConfig.show_outside_canvas ? 'visible' : 'hidden'\n    };\n\n    let percs = false;\n\n    // determine proper size\n    if (content.attr('viewBox')) {\n      const vb = content.attr('viewBox').split(' ');\n      attrs.width = vb[2];\n      attrs.height = vb[3];\n    // handle content that doesn't have a viewBox\n    } else {\n      $.each(['width', 'height'], function (i, dim) {\n        // Set to 100 if not given\n        const val = content.attr(dim) || '100%';\n\n        if (String(val).substr(-1) === '%') {\n          // Use user units if percentage given\n          percs = true;\n        } else {\n          attrs[dim] = convertToNum(dim, val);\n        }\n      });\n    }\n\n    // identify layers\n    draw.identifyLayers();\n\n    // Give ID for any visible layer children missing one\n    content.children().find(visElems).each(function () {\n      if (!this.id) { this.id = getNextId(); }\n    });\n\n    // Percentage width/height, so let's base it on visible elements\n    if (percs) {\n      const bb = getStrokedBBoxDefaultVisible();\n      attrs.width = bb.width + bb.x;\n      attrs.height = bb.height + bb.y;\n    }\n\n    // Just in case negative numbers are given or\n    // result from the percs calculation\n    if (attrs.width <= 0) { attrs.width = 100; }\n    if (attrs.height <= 0) { attrs.height = 100; }\n\n    content.attr(attrs);\n    this.contentW = attrs.width;\n    this.contentH = attrs.height;\n\n    batchCmd.addSubCommand(new InsertElementCommand(svgcontent));\n    // update root to the correct size\n    const changes = content.attr(['width', 'height']);\n    batchCmd.addSubCommand(new ChangeElementCommand(svgroot, changes));\n\n    // reset zoom\n    currentZoom = 1;\n\n    // reset transform lists\n    resetListMap();\n    clearSelection();\n    pathModule.clearData();\n    svgroot.append(selectorManager.selectorParentGroup);\n\n    if (!preventUndo) addCommandToHistory(batchCmd);\n    call('changed', [svgcontent]);\n  } catch (e) {\n    console.log(e);\n    return false;\n  }\n\n  return true;\n};\n\n/**\n* This function imports the input SVG XML as a `<symbol>` in the `<defs>`, then adds a\n* `<use>` to the current layer.\n* @function module:svgcanvas.SvgCanvas#importSvgString\n* @param {string} xmlString - The SVG as XML text.\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {null|Element} This function returns null if the import was unsuccessful, or the element otherwise.\n* @todo\n* - properly handle if namespace is introduced by imported content (must add to svgcontent\n* and update all prefixes in the imported node)\n* - properly handle recalculating dimensions, `recalculateDimensions()` doesn't handle\n* arbitrary transform lists, but makes some assumptions about how the transform list\n* was obtained\n*/\nthis.importSvgString = function (xmlString) {\n  let j, ts, useEl;\n  try {\n    // Get unique ID\n    const uid = encode64(xmlString.length + xmlString).substr(0, 32);\n\n    let useExisting = false;\n    // Look for symbol and make sure symbol exists in image\n    if (importIds[uid]) {\n      if ($(importIds[uid].symbol).parents('#svgroot').length) {\n        useExisting = true;\n      }\n    }\n\n    const batchCmd = new BatchCommand('Import Image');\n    let symbol;\n    if (useExisting) {\n      ({symbol} = importIds[uid]);\n      ts = importIds[uid].xform;\n    } else {\n      // convert string into XML document\n      const newDoc = text2xml(xmlString);\n\n      this.prepareSvg(newDoc);\n\n      // import new svg document into our document\n      let svg;\n      // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()\n      if (svgdoc.adoptNode) {\n        svg = svgdoc.adoptNode(newDoc.documentElement);\n      } else {\n        svg = svgdoc.importNode(newDoc.documentElement, true);\n      }\n\n      uniquifyElems(svg);\n\n      const innerw = convertToNum('width', svg.getAttribute('width')),\n        innerh = convertToNum('height', svg.getAttribute('height')),\n        innervb = svg.getAttribute('viewBox'),\n        // if no explicit viewbox, create one out of the width and height\n        vb = innervb ? innervb.split(' ') : [0, 0, innerw, innerh];\n      for (j = 0; j < 4; ++j) {\n        vb[j] = +(vb[j]);\n      }\n\n      // TODO: properly handle preserveAspectRatio\n      const // canvasw = +svgcontent.getAttribute('width'),\n        canvash = +svgcontent.getAttribute('height');\n      // imported content should be 1/3 of the canvas on its largest dimension\n\n      if (innerh > innerw) {\n        ts = 'scale(' + (canvash / 3) / vb[3] + ')';\n      } else {\n        ts = 'scale(' + (canvash / 3) / vb[2] + ')';\n      }\n\n      // Hack to make recalculateDimensions understand how to scale\n      ts = 'translate(0) ' + ts + ' translate(0)';\n\n      symbol = svgdoc.createElementNS(NS.SVG, 'symbol');\n      const defs = findDefs();\n\n      if (isGecko()) {\n        // Move all gradients into root for Firefox, workaround for this bug:\n        // https://bugzilla.mozilla.org/show_bug.cgi?id=353575\n        // TODO: Make this properly undo-able.\n        $(svg).find('linearGradient, radialGradient, pattern').appendTo(defs);\n      }\n\n      while (svg.firstChild) {\n        const first = svg.firstChild;\n        symbol.append(first);\n      }\n      const attrs = svg.attributes;\n      for (let i = 0; i < attrs.length; i++) {\n        const attr = attrs[i];\n        symbol.setAttribute(attr.nodeName, attr.value);\n      }\n      symbol.id = getNextId();\n\n      // Store data\n      importIds[uid] = {\n        symbol,\n        xform: ts\n      };\n\n      findDefs().append(symbol);\n      batchCmd.addSubCommand(new InsertElementCommand(symbol));\n    }\n\n    useEl = svgdoc.createElementNS(NS.SVG, 'use');\n    useEl.id = getNextId();\n    setHref(useEl, '#' + symbol.id);\n\n    (currentGroup || getCurrentDrawing().getCurrentLayer()).append(useEl);\n    batchCmd.addSubCommand(new InsertElementCommand(useEl));\n    clearSelection();\n\n    useEl.setAttribute('transform', ts);\n    recalculateDimensions(useEl);\n    $(useEl).data('symbol', symbol).data('ref', symbol);\n    addToSelection([useEl]);\n\n    // TODO: Find way to add this in a recalculateDimensions-parsable way\n    // if (vb[0] !== 0 || vb[1] !== 0) {\n    //   ts = 'translate(' + (-vb[0]) + ',' + (-vb[1]) + ') ' + ts;\n    // }\n    addCommandToHistory(batchCmd);\n    call('changed', [svgcontent]);\n  } catch (e) {\n    console.log(e);\n    return null;\n  }\n\n  // we want to return the element so we can automatically select it\n  return useEl;\n};\n\n// Could deprecate, but besides external uses, their usage makes clear that\n//  canvas is a dependency for all of these\n[\n  'identifyLayers', 'createLayer', 'cloneLayer', 'deleteCurrentLayer',\n  'setCurrentLayer', 'renameCurrentLayer', 'setCurrentLayerPosition',\n  'setLayerVisibility', 'moveSelectedToLayer', 'mergeLayer', 'mergeAllLayers',\n  'leaveContext', 'setContext'\n].forEach((prop) => {\n  canvas[prop] = draw[prop];\n});\ndraw.init(\n  /**\n  * @implements {module:draw.DrawCanvasInit}\n  */\n  {\n    pathActions,\n    getCurrentGroup () {\n      return currentGroup;\n    },\n    setCurrentGroup (cg) {\n      currentGroup = cg;\n    },\n    getSelectedElements,\n    getSVGContent,\n    undoMgr,\n    elData,\n    getCurrentDrawing,\n    clearSelection,\n    call,\n    addCommandToHistory,\n    /**\n     * @fires module:svgcanvas.SvgCanvas#event:changed\n     * @returns {undefined}\n     */\n    changeSVGContent () {\n      call('changed', [svgcontent]);\n    }\n  }\n);\n\n/**\n* Group: Document functions\n*/\n\n/**\n* Clears the current document. This is not an undoable action.\n* @function module:svgcanvas.SvgCanvas#clear\n* @fires module:svgcanvas.SvgCanvas#event:cleared\n* @returns {undefined}\n*/\nthis.clear = function () {\n  pathActions.clear();\n\n  clearSelection();\n\n  // clear the svgcontent node\n  canvas.clearSvgContentElement();\n\n  // create new document\n  canvas.current_drawing_ = new draw.Drawing(svgcontent);\n\n  // create empty first layer\n  canvas.createLayer('Layer 1');\n\n  // clear the undo stack\n  canvas.undoMgr.resetUndoStack();\n\n  // reset the selector manager\n  selectorManager.initGroup();\n\n  // reset the rubber band box\n  rubberBox = selectorManager.getRubberBandBox();\n\n  call('cleared');\n};\n\n// Alias function\nthis.linkControlPoints = pathActions.linkControlPoints;\n\n/**\n* @function module:svgcanvas.SvgCanvas#getContentElem\n* @returns {Element} The content DOM element\n*/\nthis.getContentElem = function () { return svgcontent; };\n\n/**\n* @function module:svgcanvas.SvgCanvas#getRootElem\n* @returns {SVGSVGElement} The root DOM element\n*/\nthis.getRootElem = function () { return svgroot; };\n\n/**\n* @typedef {PlainObject} DimensionsAndZoom\n* @property {Float} w Width\n* @property {Float} h Height\n* @property {Float} zoom Zoom\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getResolution\n* @returns {DimensionsAndZoom} The current dimensions and zoom level in an object\n*/\nconst getResolution = this.getResolution = function () {\n//    const vb = svgcontent.getAttribute('viewBox').split(' ');\n//    return {w:vb[2], h:vb[3], zoom: currentZoom};\n\n  const w = svgcontent.getAttribute('width') / currentZoom;\n  const h = svgcontent.getAttribute('height') / currentZoom;\n\n  return {\n    w,\n    h,\n    zoom: currentZoom\n  };\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getSnapToGrid\n* @returns {boolean} The current snap to grid setting\n*/\nthis.getSnapToGrid = function () { return curConfig.gridSnapping; };\n\n/**\n* @function module:svgcanvas.SvgCanvas#getVersion\n* @returns {string} A string which describes the revision number of SvgCanvas.\n*/\nthis.getVersion = function () {\n  return 'svgcanvas.js ($Rev$)';\n};\n\n/**\n* Update interface strings with given values\n* @function module:svgcanvas.SvgCanvas#setUiStrings\n* @param {module:path.uiStrings} strs - Object with strings (see the [locales API]{@link module:locale.LocaleStrings} and the [tutorial]{@tutorial LocaleDocs})\n* @returns {undefined}\n*/\nthis.setUiStrings = function (strs) {\n  Object.assign(uiStrings, strs.notification);\n  pathModule.setUiStrings(strs);\n};\n\n/**\n* Update configuration options with given values\n* @function module:svgcanvas.SvgCanvas#setConfig\n* @param {module:SVGEditor.Config} opts - Object with options\n* @returns {undefined}\n*/\nthis.setConfig = function (opts) {\n  Object.assign(curConfig, opts);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getTitle\n* @param {Element} elem\n* @returns {string|undefined} the current group/SVG's title contents\n*/\nthis.getTitle = function (elem) {\n  elem = elem || selectedElements[0];\n  if (!elem) { return; }\n  elem = $(elem).data('gsvg') || $(elem).data('symbol') || elem;\n  const childs = elem.childNodes;\n  for (let i = 0; i < childs.length; i++) {\n    if (childs[i].nodeName === 'title') {\n      return childs[i].textContent;\n    }\n  }\n  return '';\n};\n\n/**\n* Sets the group/SVG's title content\n* @function module:svgcanvas.SvgCanvas#setGroupTitle\n* @param {string} val\n* @todo Combine this with `setDocumentTitle`\n* @returns {undefined}\n*/\nthis.setGroupTitle = function (val) {\n  let elem = selectedElements[0];\n  elem = $(elem).data('gsvg') || elem;\n\n  const ts = $(elem).children('title');\n\n  const batchCmd = new BatchCommand('Set Label');\n\n  let title;\n  if (!val.length) {\n    // Remove title element\n    const tsNextSibling = ts.nextSibling;\n    batchCmd.addSubCommand(new RemoveElementCommand(ts[0], tsNextSibling, elem));\n    ts.remove();\n  } else if (ts.length) {\n    // Change title contents\n    title = ts[0];\n    batchCmd.addSubCommand(new ChangeElementCommand(title, {'#text': title.textContent}));\n    title.textContent = val;\n  } else {\n    // Add title element\n    title = svgdoc.createElementNS(NS.SVG, 'title');\n    title.textContent = val;\n    $(elem).prepend(title);\n    batchCmd.addSubCommand(new InsertElementCommand(title));\n  }\n\n  addCommandToHistory(batchCmd);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getDocumentTitle\n* @returns {string|undefined} The current document title or an empty string if not found\n*/\nconst getDocumentTitle = this.getDocumentTitle = function () {\n  return canvas.getTitle(svgcontent);\n};\n\n/**\n* Adds/updates a title element for the document with the given name.\n* This is an undoable action\n* @function module:svgcanvas.SvgCanvas#setDocumentTitle\n* @param {string} newTitle - String with the new title\n* @returns {undefined}\n*/\nthis.setDocumentTitle = function (newTitle) {\n  const childs = svgcontent.childNodes;\n  let docTitle = false, oldTitle = '';\n\n  const batchCmd = new BatchCommand('Change Image Title');\n\n  for (let i = 0; i < childs.length; i++) {\n    if (childs[i].nodeName === 'title') {\n      docTitle = childs[i];\n      oldTitle = docTitle.textContent;\n      break;\n    }\n  }\n  if (!docTitle) {\n    docTitle = svgdoc.createElementNS(NS.SVG, 'title');\n    svgcontent.insertBefore(docTitle, svgcontent.firstChild);\n    // svgcontent.firstChild.before(docTitle); // Ok to replace above with this?\n  }\n\n  if (newTitle.length) {\n    docTitle.textContent = newTitle;\n  } else {\n    // No title given, so element is not necessary\n    docTitle.remove();\n  }\n  batchCmd.addSubCommand(new ChangeElementCommand(docTitle, {'#text': oldTitle}));\n  addCommandToHistory(batchCmd);\n};\n\n/**\n* Returns the editor's namespace URL, optionally adding it to the root element\n* @function module:svgcanvas.SvgCanvas#getEditorNS\n* @param {boolean} [add] - Indicates whether or not to add the namespace value\n* @returns {string} The editor's namespace URL\n*/\nthis.getEditorNS = function (add) {\n  if (add) {\n    svgcontent.setAttribute('xmlns:se', NS.SE);\n  }\n  return NS.SE;\n};\n\n/**\n* Changes the document's dimensions to the given size\n* @function module:svgcanvas.SvgCanvas#setResolution\n* @param {Float|\"fit\"} x - Number with the width of the new dimensions in user units.\n* Can also be the string \"fit\" to indicate \"fit to content\"\n* @param {Float} y - Number with the height of the new dimensions in user units.\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {boolean} Indicates if resolution change was successful.\n* It will fail on \"fit to content\" option with no content to fit to.\n*/\nthis.setResolution = function (x, y) {\n  const res = getResolution();\n  const {w, h} = res;\n  let batchCmd;\n\n  if (x === 'fit') {\n    // Get bounding box\n    const bbox = getStrokedBBoxDefaultVisible();\n\n    if (bbox) {\n      batchCmd = new BatchCommand('Fit Canvas to Content');\n      const visEls = getVisibleElements();\n      addToSelection(visEls);\n      const dx = [], dy = [];\n      $.each(visEls, function (i, item) {\n        dx.push(bbox.x * -1);\n        dy.push(bbox.y * -1);\n      });\n\n      const cmd = canvas.moveSelectedElements(dx, dy, true);\n      batchCmd.addSubCommand(cmd);\n      clearSelection();\n\n      x = Math.round(bbox.width);\n      y = Math.round(bbox.height);\n    } else {\n      return false;\n    }\n  }\n  if (x !== w || y !== h) {\n    if (!batchCmd) {\n      batchCmd = new BatchCommand('Change Image Dimensions');\n    }\n\n    x = convertToNum('width', x);\n    y = convertToNum('height', y);\n\n    svgcontent.setAttribute('width', x);\n    svgcontent.setAttribute('height', y);\n\n    this.contentW = x;\n    this.contentH = y;\n    batchCmd.addSubCommand(new ChangeElementCommand(svgcontent, {width: w, height: h}));\n\n    svgcontent.setAttribute('viewBox', [0, 0, x / currentZoom, y / currentZoom].join(' '));\n    batchCmd.addSubCommand(new ChangeElementCommand(svgcontent, {viewBox: ['0 0', w, h].join(' ')}));\n\n    addCommandToHistory(batchCmd);\n    call('changed', [svgcontent]);\n  }\n  return true;\n};\n\n/**\n* @typedef {module:jQueryAttr.Attributes} module:svgcanvas.ElementPositionInCanvas\n* @property {Float} x\n* @property {Float} y\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getOffset\n* @returns {module:svgcanvas.ElementPositionInCanvas} An object with `x`, `y` values indicating the svgcontent element's\n* position in the editor's canvas.\n*/\nthis.getOffset = function () {\n  return $(svgcontent).attr(['x', 'y']);\n};\n\n/**\n * @typedef {PlainObject} module:svgcanvas.ZoomAndBBox\n * @property {Float} zoom\n * @property {module:utilities.BBoxObject} bbox\n */\n/**\n* Sets the zoom level on the canvas-side based on the given value\n* @function module:svgcanvas.SvgCanvas#setBBoxZoom\n* @param {\"selection\"|\"canvas\"|\"content\"|\"layer\"|module:SVGEditor.BBoxObjectWithFactor} val - Bounding box object to zoom to or string indicating zoom option. Note: the object value type is defined in `svg-editor.js`\n* @param {Integer} editorW - The editor's workarea box's width\n* @param {Integer} editorH - The editor's workarea box's height\n* @returns {module:svgcanvas.ZoomAndBBox|undefined}\n*/\nthis.setBBoxZoom = function (val, editorW, editorH) {\n  let spacer = 0.85;\n  let bb;\n  const calcZoom = function (bb) {\n    if (!bb) { return false; }\n    const wZoom = Math.round((editorW / bb.width) * 100 * spacer) / 100;\n    const hZoom = Math.round((editorH / bb.height) * 100 * spacer) / 100;\n    const zoom = Math.min(wZoom, hZoom);\n    canvas.setZoom(zoom);\n    return {zoom, bbox: bb};\n  };\n\n  if (typeof val === 'object') {\n    bb = val;\n    if (bb.width === 0 || bb.height === 0) {\n      const newzoom = bb.zoom ? bb.zoom : currentZoom * bb.factor;\n      canvas.setZoom(newzoom);\n      return {zoom: currentZoom, bbox: bb};\n    }\n    return calcZoom(bb);\n  }\n\n  switch (val) {\n  case 'selection':\n    if (!selectedElements[0]) { return; }\n    const selectedElems = $.map(selectedElements, function (n) { if (n) { return n; } });\n    bb = getStrokedBBoxDefaultVisible(selectedElems);\n    break;\n  case 'canvas':\n    const res = getResolution();\n    spacer = 0.95;\n    bb = {width: res.w, height: res.h, x: 0, y: 0};\n    break;\n  case 'content':\n    bb = getStrokedBBoxDefaultVisible();\n    break;\n  case 'layer':\n    bb = getStrokedBBoxDefaultVisible(getVisibleElements(getCurrentDrawing().getCurrentLayer()));\n    break;\n  default:\n    return;\n  }\n  return calcZoom(bb);\n};\n\n/**\n* The zoom level has changed. Supplies the new zoom level as a number (not percentage).\n* @event module:svgcanvas.SvgCanvas#event:ext-zoomChanged\n* @type {Float}\n*/\n/**\n* The bottom panel was updated\n* @event module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate\n* @type {PlainObject}\n* @property {boolean} nofill Indicates fill is disabled\n* @property {boolean} nostroke Indicates stroke is disabled\n*/\n/**\n* The element selection has changed (elements were added/removed from selection)\n* @event module:svgcanvas.SvgCanvas#event:ext-selectedChanged\n* @type {PlainObject}\n* @property {Element[]} elems Array of the newly selected elements\n* @property {Element|null} selectedElement The single selected element\n* @property {boolean} multiselected Indicates whether one or more elements were selected\n*/\n/**\n* Called when part of element is in process of changing, generally on\n* mousemove actions like rotate, move, etc.\n* @event module:svgcanvas.SvgCanvas#event:ext-elementTransition\n* @type {PlainObject}\n* @property {Element[]} elems Array of transitioning elements\n*/\n/**\n* One or more elements were changed\n* @event module:svgcanvas.SvgCanvas#event:ext-elementChanged\n* @type {PlainObject}\n* @property {Element[]} elems Array of the affected elements\n*/\n/**\n* Invoked as soon as the locale is ready\n* @event module:svgcanvas.SvgCanvas#event:ext-langReady\n* @type {PlainObject}\n* @property {string} lang The two-letter language code\n* @property {module:SVGEditor.uiStrings} uiStrings\n* @property {module:SVGEditor~ImportLocale} importLocale\n*/\n/**\n* The language was changed. Two-letter code of the new language.\n* @event module:svgcanvas.SvgCanvas#event:ext-langChanged\n* @type {string}\n*/\n/**\n* Means for an extension to add locale data. The two-letter language code.\n* @event module:svgcanvas.SvgCanvas#event:ext-addLangData\n* @type {PlainObject}\n* @property {string} lang\n* @property {module:SVGEditor~ImportLocale} importLocale\n*/\n/**\n * Called when new image is created\n * @event module:svgcanvas.SvgCanvas#event:ext-onNewDocument\n * @type {undefined}\n */\n/**\n * Called when sidepanel is resized or toggled\n * @event module:svgcanvas.SvgCanvas#event:ext-workareaResized\n * @type {undefined}\n*/\n/**\n * Called upon addition of the extension, or, if svgicons are set,\n * after the icons are ready when extension SVG icons have loaded.\n * @event module:svgcanvas.SvgCanvas#event:ext-callback\n * @type {undefined}\n*/\n\n/**\n* Sets the zoom to the given level\n* @function module:svgcanvas.SvgCanvas#setZoom\n* @param {Float} zoomLevel - Float indicating the zoom level to change to\n* @fires module:svgcanvas.SvgCanvas#event:ext-zoomChanged\n* @returns {undefined}\n*/\nthis.setZoom = function (zoomLevel) {\n  const res = getResolution();\n  svgcontent.setAttribute('viewBox', '0 0 ' + res.w / zoomLevel + ' ' + res.h / zoomLevel);\n  currentZoom = zoomLevel;\n  $.each(selectedElements, function (i, elem) {\n    if (!elem) { return; }\n    selectorManager.requestSelector(elem).resize();\n  });\n  pathActions.zoomChange();\n  runExtensions('zoomChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} */ zoomLevel);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getMode\n* @returns {string} The current editor mode string\n*/\nthis.getMode = function () {\n  return currentMode;\n};\n\n/**\n* Sets the editor's mode to the given string\n* @function module:svgcanvas.SvgCanvas#setMode\n* @param {string} name - String with the new mode to change to\n* @returns {undefined}\n*/\nthis.setMode = function (name) {\n  pathActions.clear(true);\n  textActions.clear();\n  curProperties = (selectedElements[0] && selectedElements[0].nodeName === 'text') ? curText : curShape;\n  currentMode = name;\n};\n\n/**\n* Group: Element Styling\n*/\n\n/**\n* @typedef {PlainObject} module:svgcanvas.PaintOptions\n* @property {\"solidColor\"} type\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getColor\n* @param {string} type\n* @returns {string|module:svgcanvas.PaintOptions|Float|module:jGraduate~Paint} The current fill/stroke option\n*/\nthis.getColor = function (type) {\n  return curProperties[type];\n};\n\n/**\n* Change the current stroke/fill color/gradient value\n* @function module:svgcanvas.SvgCanvas#setColor\n* @param {string} type - String indicating fill or stroke\n* @param {string} val - The value to set the stroke attribute to\n* @param {boolean} preventUndo - Boolean indicating whether or not this should be an undoable option\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setColor = function (type, val, preventUndo) {\n  curShape[type] = val;\n  curProperties[type + '_paint'] = {type: 'solidColor'};\n  const elems = [];\n  function addNonG (e) {\n    if (e.nodeName !== 'g') {\n      elems.push(e);\n    }\n  }\n  let i = selectedElements.length;\n  while (i--) {\n    const elem = selectedElements[i];\n    if (elem) {\n      if (elem.tagName === 'g') {\n        walkTree(elem, addNonG);\n      } else {\n        if (type === 'fill') {\n          if (elem.tagName !== 'polyline' && elem.tagName !== 'line') {\n            elems.push(elem);\n          }\n        } else {\n          elems.push(elem);\n        }\n      }\n    }\n  }\n  if (elems.length > 0) {\n    if (!preventUndo) {\n      changeSelectedAttribute(type, val, elems);\n      call('changed', elems);\n    } else {\n      changeSelectedAttributeNoUndo(type, val, elems);\n    }\n  }\n};\n\n/**\n* Apply the current gradient to selected element's fill or stroke\n* @function module:svgcanvas.SvgCanvas#setGradient\n* @param {\"fill\"|\"stroke\"} type - String indicating \"fill\" or \"stroke\" to apply to an element\n* @returns {undefined}\n*/\nconst setGradient = this.setGradient = function (type) {\n  if (!curProperties[type + '_paint'] || curProperties[type + '_paint'].type === 'solidColor') { return; }\n  let grad = canvas[type + 'Grad'];\n  // find out if there is a duplicate gradient already in the defs\n  const duplicateGrad = findDuplicateGradient(grad);\n  const defs = findDefs();\n  // no duplicate found, so import gradient into defs\n  if (!duplicateGrad) {\n    // const origGrad = grad;\n    grad = defs.appendChild(svgdoc.importNode(grad, true));\n    // get next id and set it on the grad\n    grad.id = getNextId();\n  } else { // use existing gradient\n    grad = duplicateGrad;\n  }\n  canvas.setColor(type, 'url(#' + grad.id + ')');\n};\n\n/**\n* Check if exact gradient already exists\n* @function module:svgcanvas~findDuplicateGradient\n* @param {SVGGradientElement} grad - The gradient DOM element to compare to others\n* @returns {SVGGradientElement} The existing gradient if found, `null` if not\n*/\nconst findDuplicateGradient = function (grad) {\n  const defs = findDefs();\n  const existingGrads = $(defs).find('linearGradient, radialGradient');\n  let i = existingGrads.length;\n  const radAttrs = ['r', 'cx', 'cy', 'fx', 'fy'];\n  while (i--) {\n    const og = existingGrads[i];\n    if (grad.tagName === 'linearGradient') {\n      if (grad.getAttribute('x1') !== og.getAttribute('x1') ||\n        grad.getAttribute('y1') !== og.getAttribute('y1') ||\n        grad.getAttribute('x2') !== og.getAttribute('x2') ||\n        grad.getAttribute('y2') !== og.getAttribute('y2')\n      ) {\n        continue;\n      }\n    } else {\n      const gradAttrs = $(grad).attr(radAttrs);\n      const ogAttrs = $(og).attr(radAttrs);\n\n      let diff = false;\n      $.each(radAttrs, function (i, attr) {\n        if (gradAttrs[attr] !== ogAttrs[attr]) { diff = true; }\n      });\n\n      if (diff) { continue; }\n    }\n\n    // else could be a duplicate, iterate through stops\n    const stops = grad.getElementsByTagNameNS(NS.SVG, 'stop');\n    const ostops = og.getElementsByTagNameNS(NS.SVG, 'stop');\n\n    if (stops.length !== ostops.length) {\n      continue;\n    }\n\n    let j = stops.length;\n    while (j--) {\n      const stop = stops[j];\n      const ostop = ostops[j];\n\n      if (stop.getAttribute('offset') !== ostop.getAttribute('offset') ||\n        stop.getAttribute('stop-opacity') !== ostop.getAttribute('stop-opacity') ||\n        stop.getAttribute('stop-color') !== ostop.getAttribute('stop-color')) {\n        break;\n      }\n    }\n\n    if (j === -1) {\n      return og;\n    }\n  } // for each gradient in defs\n\n  return null;\n};\n\n/**\n* Set a color/gradient to a fill/stroke\n* @function module:svgcanvas.SvgCanvas#setPaint\n* @param {\"fill\"|\"stroke\"} type - String with \"fill\" or \"stroke\"\n* @param {module:jGraduate.jGraduatePaintOptions} paint - The jGraduate paint object to apply\n* @returns {undefined}\n*/\nthis.setPaint = function (type, paint) {\n  // make a copy\n  const p = new $.jGraduate.Paint(paint);\n  this.setPaintOpacity(type, p.alpha / 100, true);\n\n  // now set the current paint object\n  curProperties[type + '_paint'] = p;\n  switch (p.type) {\n  case 'solidColor':\n    this.setColor(type, p.solidColor !== 'none' ? '#' + p.solidColor : 'none');\n    break;\n  case 'linearGradient':\n  case 'radialGradient':\n    canvas[type + 'Grad'] = p[p.type];\n    setGradient(type);\n    break;\n  }\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#setStrokePaint\n* @param {module:jGraduate~Paint} paint\n* @returns {undefined}\n*/\nthis.setStrokePaint = function (paint) {\n  this.setPaint('stroke', paint);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#setFillPaint\n* @param {module:jGraduate~Paint} paint\n* @returns {undefined}\n*/\nthis.setFillPaint = function (paint) {\n  this.setPaint('fill', paint);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getStrokeWidth\n* @returns {Float|string} The current stroke-width value\n*/\nthis.getStrokeWidth = function () {\n  return curProperties.stroke_width;\n};\n\n/**\n* Sets the stroke width for the current selected elements.\n* When attempting to set a line's width to 0, this changes it to 1 instead\n* @function module:svgcanvas.SvgCanvas#setStrokeWidth\n* @param {Float} val - A Float indicating the new stroke width value\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setStrokeWidth = function (val) {\n  if (val === 0 && ['line', 'path'].includes(currentMode)) {\n    canvas.setStrokeWidth(1);\n    return;\n  }\n  curProperties.stroke_width = val;\n\n  const elems = [];\n  function addNonG (e) {\n    if (e.nodeName !== 'g') {\n      elems.push(e);\n    }\n  }\n  let i = selectedElements.length;\n  while (i--) {\n    const elem = selectedElements[i];\n    if (elem) {\n      if (elem.tagName === 'g') {\n        walkTree(elem, addNonG);\n      } else {\n        elems.push(elem);\n      }\n    }\n  }\n  if (elems.length > 0) {\n    changeSelectedAttribute('stroke-width', val, elems);\n    call('changed', selectedElements);\n  }\n};\n\n/**\n* Set the given stroke-related attribute the given value for selected elements\n* @function module:svgcanvas.SvgCanvas#setStrokeAttr\n* @param {string} attr - String with the attribute name\n* @param {string|Float} val - String or number with the attribute value\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setStrokeAttr = function (attr, val) {\n  curShape[attr.replace('-', '_')] = val;\n  const elems = [];\n\n  let i = selectedElements.length;\n  while (i--) {\n    const elem = selectedElements[i];\n    if (elem) {\n      if (elem.tagName === 'g') {\n        walkTree(elem, function (e) { if (e.nodeName !== 'g') { elems.push(e); } });\n      } else {\n        elems.push(elem);\n      }\n    }\n  }\n  if (elems.length > 0) {\n    changeSelectedAttribute(attr, val, elems);\n    call('changed', selectedElements);\n  }\n};\n\n/**\n* @typedef {PlainObject} module:svgcanvas.StyleOptions\n* @property {string} fill\n* @property {Float} fill_opacity\n* @property {string} stroke\n* @property {Float} stroke_width\n* @property {string} stroke_dasharray\n* @property {string} stroke_linejoin\n* @property {string} stroke_linecap\n* @property {Float} stroke_opacity\n* @property {Float} opacity\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getStyle\n* @returns {module:svgcanvas.StyleOptions} current style options\n*/\nthis.getStyle = function () {\n  return curShape;\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getOpacity\n* @returns {Float} the current opacity\n*/\nthis.getOpacity = getOpacity;\n\n/**\n* Sets the given opacity to the current selected elements\n* @function module:svgcanvas.SvgCanvas#setOpacity\n* @param {string} val\n* @returns {undefined}\n*/\nthis.setOpacity = function (val) {\n  curShape.opacity = val;\n  changeSelectedAttribute('opacity', val);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getFillOpacity\n* @returns {Float} the current fill opacity\n*/\nthis.getFillOpacity = function () {\n  return curShape.fill_opacity;\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getStrokeOpacity\n* @returns {string} the current stroke opacity\n*/\nthis.getStrokeOpacity = function () {\n  return curShape.stroke_opacity;\n};\n\n/**\n* Sets the current fill/stroke opacity\n* @function module:svgcanvas.SvgCanvas#setPaintOpacity\n* @param {string} type - String with \"fill\" or \"stroke\"\n* @param {Float} val - Float with the new opacity value\n* @param {boolean} preventUndo - Indicates whether or not this should be an undoable action\n* @returns {undefined}\n*/\nthis.setPaintOpacity = function (type, val, preventUndo) {\n  curShape[type + '_opacity'] = val;\n  if (!preventUndo) {\n    changeSelectedAttribute(type + '-opacity', val);\n  } else {\n    changeSelectedAttributeNoUndo(type + '-opacity', val);\n  }\n};\n\n/**\n* Gets the current fill/stroke opacity\n* @function module:svgcanvas.SvgCanvas#getPaintOpacity\n* @param {\"fill\"|\"stroke\"} type - String with \"fill\" or \"stroke\"\n* @returns {Float} Fill/stroke opacity\n*/\nthis.getPaintOpacity = function (type) {\n  return type === 'fill' ? this.getFillOpacity() : this.getStrokeOpacity();\n};\n\n/**\n* Gets the `stdDeviation` blur value of the given element\n* @function module:svgcanvas.SvgCanvas#getBlur\n* @param {Element} elem - The element to check the blur value for\n* @returns {string} stdDeviation blur attribute value\n*/\nthis.getBlur = function (elem) {\n  let val = 0;\n  // const elem = selectedElements[0];\n\n  if (elem) {\n    const filterUrl = elem.getAttribute('filter');\n    if (filterUrl) {\n      const blur = getElem(elem.id + '_blur');\n      if (blur) {\n        val = blur.firstChild.getAttribute('stdDeviation');\n      }\n    }\n  }\n  return val;\n};\n\n(function () {\nlet curCommand = null;\nlet filter = null;\nlet filterHidden = false;\n\n/**\n* Sets the `stdDeviation` blur value on the selected element without being undoable\n* @function module:svgcanvas.SvgCanvas#setBlurNoUndo\n* @param {Float} val - The new `stdDeviation` value\n* @returns {undefined}\n*/\ncanvas.setBlurNoUndo = function (val) {\n  if (!filter) {\n    canvas.setBlur(val);\n    return;\n  }\n  if (val === 0) {\n    // Don't change the StdDev, as that will hide the element.\n    // Instead, just remove the value for \"filter\"\n    changeSelectedAttributeNoUndo('filter', '');\n    filterHidden = true;\n  } else {\n    const elem = selectedElements[0];\n    if (filterHidden) {\n      changeSelectedAttributeNoUndo('filter', 'url(#' + elem.id + '_blur)');\n    }\n    if (isWebkit()) {\n      console.log('e', elem);\n      elem.removeAttribute('filter');\n      elem.setAttribute('filter', 'url(#' + elem.id + '_blur)');\n    }\n    changeSelectedAttributeNoUndo('stdDeviation', val, [filter.firstChild]);\n    canvas.setBlurOffsets(filter, val);\n  }\n};\n\nfunction finishChange () {\n  const bCmd = canvas.undoMgr.finishUndoableChange();\n  curCommand.addSubCommand(bCmd);\n  addCommandToHistory(curCommand);\n  curCommand = null;\n  filter = null;\n}\n\n/**\n* Sets the `x`, `y`, `width`, `height` values of the filter element in order to\n* make the blur not be clipped. Removes them if not neeeded\n* @function module:svgcanvas.SvgCanvas#setBlurOffsets\n* @param {Element} filter - The filter DOM element to update\n* @param {Float} stdDev - The standard deviation value on which to base the offset size\n* @returns {undefined}\n*/\ncanvas.setBlurOffsets = function (filter, stdDev) {\n  if (stdDev > 3) {\n    // TODO: Create algorithm here where size is based on expected blur\n    assignAttributes(filter, {\n      x: '-50%',\n      y: '-50%',\n      width: '200%',\n      height: '200%'\n    }, 100);\n  } else {\n    // Removing these attributes hides text in Chrome (see Issue 579)\n    if (!isWebkit()) {\n      filter.removeAttribute('x');\n      filter.removeAttribute('y');\n      filter.removeAttribute('width');\n      filter.removeAttribute('height');\n    }\n  }\n};\n\n/**\n* Adds/updates the blur filter to the selected element\n* @function module:svgcanvas.SvgCanvas#setBlur\n* @param {Float} val - Float with the new `stdDeviation` blur value\n* @param {boolean} complete - Whether or not the action should be completed (to add to the undo manager)\n* @returns {undefined}\n*/\ncanvas.setBlur = function (val, complete) {\n  if (curCommand) {\n    finishChange();\n    return;\n  }\n\n  // Looks for associated blur, creates one if not found\n  const elem = selectedElements[0];\n  const elemId = elem.id;\n  filter = getElem(elemId + '_blur');\n\n  val -= 0;\n\n  const batchCmd = new BatchCommand();\n\n  // Blur found!\n  if (filter) {\n    if (val === 0) {\n      filter = null;\n    }\n  } else {\n    // Not found, so create\n    const newblur = addSVGElementFromJson({element: 'feGaussianBlur',\n      attr: {\n        in: 'SourceGraphic',\n        stdDeviation: val\n      }\n    });\n\n    filter = addSVGElementFromJson({element: 'filter',\n      attr: {\n        id: elemId + '_blur'\n      }\n    });\n\n    filter.append(newblur);\n    findDefs().append(filter);\n\n    batchCmd.addSubCommand(new InsertElementCommand(filter));\n  }\n\n  const changes = {filter: elem.getAttribute('filter')};\n\n  if (val === 0) {\n    elem.removeAttribute('filter');\n    batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));\n    return;\n  }\n\n  changeSelectedAttribute('filter', 'url(#' + elemId + '_blur)');\n  batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));\n  canvas.setBlurOffsets(filter, val);\n\n  curCommand = batchCmd;\n  canvas.undoMgr.beginUndoableChange('stdDeviation', [filter ? filter.firstChild : null]);\n  if (complete) {\n    canvas.setBlurNoUndo(val);\n    finishChange();\n  }\n};\n}());\n\n/**\n* Check whether selected element is bold or not\n* @function module:svgcanvas.SvgCanvas#getBold\n* @returns {boolean} Indicates whether or not element is bold\n*/\nthis.getBold = function () {\n  // should only have one element selected\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'text' &&\n    selectedElements[1] == null) {\n    return (selected.getAttribute('font-weight') === 'bold');\n  }\n  return false;\n};\n\n/**\n* Make the selected element bold or normal\n* @function module:svgcanvas.SvgCanvas#setBold\n* @param {boolean} b - Indicates bold (`true`) or normal (`false`)\n* @returns {undefined}\n*/\nthis.setBold = function (b) {\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'text' &&\n    selectedElements[1] == null) {\n    changeSelectedAttribute('font-weight', b ? 'bold' : 'normal');\n  }\n  if (!selectedElements[0].textContent) {\n    textActions.setCursor();\n  }\n};\n\n/**\n* Check whether selected element is italic or not\n* @function module:svgcanvas.SvgCanvas#getItalic\n* @returns {boolean} Indicates whether or not element is italic\n*/\nthis.getItalic = function () {\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'text' &&\n    selectedElements[1] == null) {\n    return (selected.getAttribute('font-style') === 'italic');\n  }\n  return false;\n};\n\n/**\n* Make the selected element italic or normal\n* @function module:svgcanvas.SvgCanvas#setItalic\n* @param {boolean} b - Indicates italic (`true`) or normal (`false`)\n* @returns {undefined}\n*/\nthis.setItalic = function (i) {\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'text' &&\n    selectedElements[1] == null) {\n    changeSelectedAttribute('font-style', i ? 'italic' : 'normal');\n  }\n  if (!selectedElements[0].textContent) {\n    textActions.setCursor();\n  }\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getFontFamily\n* @returns {string} The current font family\n*/\nthis.getFontFamily = function () {\n  return curText.font_family;\n};\n\n/**\n* Set the new font family\n* @function module:svgcanvas.SvgCanvas#setFontFamily\n* @param {string} val - String with the new font family\n* @returns {undefined}\n*/\nthis.setFontFamily = function (val) {\n  curText.font_family = val;\n  changeSelectedAttribute('font-family', val);\n  if (selectedElements[0] && !selectedElements[0].textContent) {\n    textActions.setCursor();\n  }\n};\n\n/**\n* Set the new font color\n* @function module:svgcanvas.SvgCanvas#setFontColor\n* @param {string} val - String with the new font color\n* @returns {undefined}\n*/\nthis.setFontColor = function (val) {\n  curText.fill = val;\n  changeSelectedAttribute('fill', val);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getFontColor\n* @returns {string} The current font color\n*/\nthis.getFontColor = function () {\n  return curText.fill;\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getFontSize\n* @returns {Float} The current font size\n*/\nthis.getFontSize = function () {\n  return curText.font_size;\n};\n\n/**\n* Applies the given font size to the selected element\n* @function module:svgcanvas.SvgCanvas#setFontSize\n* @param {Float} val - Float with the new font size\n* @returns {undefined}\n*/\nthis.setFontSize = function (val) {\n  curText.font_size = val;\n  changeSelectedAttribute('font-size', val);\n  if (!selectedElements[0].textContent) {\n    textActions.setCursor();\n  }\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getText\n* @returns {string} The current text (`textContent`) of the selected element\n*/\nthis.getText = function () {\n  const selected = selectedElements[0];\n  if (selected == null) { return ''; }\n  return selected.textContent;\n};\n\n/**\n* Updates the text element with the given string\n* @function module:svgcanvas.SvgCanvas#setTextContent\n* @param {string} val - String with the new text\n* @returns {undefined}\n*/\nthis.setTextContent = function (val) {\n  changeSelectedAttribute('#text', val);\n  textActions.init(val);\n  textActions.setCursor();\n};\n\n/**\n* Sets the new image URL for the selected image element. Updates its size if\n* a new URL is given\n* @function module:svgcanvas.SvgCanvas#setImageURL\n* @param {string} val - String with the image URL/path\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setImageURL = function (val) {\n  const elem = selectedElements[0];\n  if (!elem) { return; }\n\n  const attrs = $(elem).attr(['width', 'height']);\n  const setsize = (!attrs.width || !attrs.height);\n\n  const curHref = getHref(elem);\n\n  // Do nothing if no URL change or size change\n  if (curHref === val && !setsize) {\n    return;\n  }\n\n  const batchCmd = new BatchCommand('Change Image URL');\n\n  setHref(elem, val);\n  batchCmd.addSubCommand(new ChangeElementCommand(elem, {\n    '#href': curHref\n  }));\n\n  $(new Image()).load(function () {\n    const changes = $(elem).attr(['width', 'height']);\n\n    $(elem).attr({\n      width: this.width,\n      height: this.height\n    });\n\n    selectorManager.requestSelector(elem).resize();\n\n    batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));\n    addCommandToHistory(batchCmd);\n    call('changed', [elem]);\n  }).attr('src', val);\n};\n\n/**\n* Sets the new link URL for the selected anchor element.\n* @function module:svgcanvas.SvgCanvas#setLinkURL\n* @param {string} val - String with the link URL/path\n* @returns {undefined}\n*/\nthis.setLinkURL = function (val) {\n  let elem = selectedElements[0];\n  if (!elem) { return; }\n  if (elem.tagName !== 'a') {\n    // See if parent is an anchor\n    const parentsA = $(elem).parents('a');\n    if (parentsA.length) {\n      elem = parentsA[0];\n    } else {\n      return;\n    }\n  }\n\n  const curHref = getHref(elem);\n\n  if (curHref === val) { return; }\n\n  const batchCmd = new BatchCommand('Change Link URL');\n\n  setHref(elem, val);\n  batchCmd.addSubCommand(new ChangeElementCommand(elem, {\n    '#href': curHref\n  }));\n\n  addCommandToHistory(batchCmd);\n};\n\n/**\n* Sets the `rx` and `ry` values to the selected `rect` element to change its corner radius\n* @function module:svgcanvas.SvgCanvas#setRectRadius\n* @param {string|Float} val - The new radius\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setRectRadius = function (val) {\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'rect') {\n    const r = selected.getAttribute('rx');\n    if (r !== String(val)) {\n      selected.setAttribute('rx', val);\n      selected.setAttribute('ry', val);\n      addCommandToHistory(new ChangeElementCommand(selected, {rx: r, ry: r}, 'Radius'));\n      call('changed', [selected]);\n    }\n  }\n};\n\n/**\n* Wraps the selected element(s) in an anchor element or converts group to one\n* @function module:svgcanvas.SvgCanvas#makeHyperlink\n* @param {string} url\n* @returns {undefined}\n*/\nthis.makeHyperlink = function (url) {\n  canvas.groupSelectedElements('a', url);\n\n  // TODO: If element is a single \"g\", convert to \"a\"\n  //  if (selectedElements.length > 1 && selectedElements[1]) {\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#removeHyperlink\n* @returns {undefined}\n*/\nthis.removeHyperlink = function () {\n  canvas.ungroupSelectedElement();\n};\n\n/**\n* Group: Element manipulation\n*/\n\n/**\n* Sets the new segment type to the selected segment(s).\n* @function module:svgcanvas.SvgCanvas#setSegType\n* @param {Integer} newType - New segment type. See {@link https://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSeg} for list\n* @returns {undefined}\n*/\nthis.setSegType = function (newType) {\n  pathActions.setSegType(newType);\n};\n\n/**\n* Convert selected element to a path, or get the BBox of an element-as-path\n* @function module:svgcanvas.SvgCanvas#convertToPath\n* @todo (codedread): Remove the getBBox argument and split this function into two.\n* @param {Element} elem - The DOM element to be converted\n* @param {boolean} getBBox - Boolean on whether or not to only return the path's BBox\n* @returns {undefined|DOMRect|false|SVGPathElement|null} If the getBBox flag is true, the resulting path's bounding box object.\n* Otherwise the resulting path element is returned.\n*/\nthis.convertToPath = function (elem, getBBox) {\n  if (elem == null) {\n    const elems = selectedElements;\n    $.each(elems, function (i, elem) {\n      if (elem) { canvas.convertToPath(elem); }\n    });\n    return;\n  }\n  if (getBBox) {\n    return getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions);\n  }\n  // TODO: Why is this applying attributes from curShape, then inside utilities.convertToPath it's pulling addition attributes from elem?\n  // TODO: If convertToPath is called with one elem, curShape and elem are probably the same; but calling with multiple is a bug or cool feature.\n  const attrs = {\n    fill: curShape.fill,\n    'fill-opacity': curShape.fill_opacity,\n    stroke: curShape.stroke,\n    'stroke-width': curShape.stroke_width,\n    'stroke-dasharray': curShape.stroke_dasharray,\n    'stroke-linejoin': curShape.stroke_linejoin,\n    'stroke-linecap': curShape.stroke_linecap,\n    'stroke-opacity': curShape.stroke_opacity,\n    opacity: curShape.opacity,\n    visibility: 'hidden'\n  };\n  return convertToPath(elem, attrs, addSVGElementFromJson, pathActions, clearSelection, addToSelection, history, addCommandToHistory);\n};\n\n/**\n* This function makes the changes to the elements. It does not add the change\n* to the history stack.\n* @param {string} attr - Attribute name\n* @param {string|Float} newValue - String or number with the new attribute value\n* @param {Element[]} elems - The DOM elements to apply the change to\n* @returns {undefined}\n*/\nconst changeSelectedAttributeNoUndo = function (attr, newValue, elems) {\n  if (currentMode === 'pathedit') {\n    // Editing node\n    pathActions.moveNode(attr, newValue);\n  }\n  elems = elems || selectedElements;\n  let i = elems.length;\n  const noXYElems = ['g', 'polyline', 'path'];\n  const goodGAttrs = ['transform', 'opacity', 'filter'];\n\n  while (i--) {\n    let elem = elems[i];\n    if (elem == null) { continue; }\n\n    // Set x,y vals on elements that don't have them\n    if ((attr === 'x' || attr === 'y') && noXYElems.includes(elem.tagName)) {\n      const bbox = getStrokedBBoxDefaultVisible([elem]);\n      const diffX = attr === 'x' ? newValue - bbox.x : 0;\n      const diffY = attr === 'y' ? newValue - bbox.y : 0;\n      canvas.moveSelectedElements(diffX * currentZoom, diffY * currentZoom, true);\n      continue;\n    }\n\n    // only allow the transform/opacity/filter attribute to change on <g> elements, slightly hacky\n    // TODO: FIXME: This doesn't seem right. Where's the body of this if statement?\n    if (elem.tagName === 'g' && goodGAttrs.includes(attr)) {}\n    let oldval = attr === '#text' ? elem.textContent : elem.getAttribute(attr);\n    if (oldval == null) { oldval = ''; }\n    if (oldval !== String(newValue)) {\n      if (attr === '#text') {\n        // const oldW = utilsGetBBox(elem).width;\n        elem.textContent = newValue;\n\n        // FF bug occurs on on rotated elements\n        if ((/rotate/).test(elem.getAttribute('transform'))) {\n          elem = ffClone(elem);\n        }\n        // Hoped to solve the issue of moving text with text-anchor=\"start\",\n        // but this doesn't actually fix it. Hopefully on the right track, though. -Fyrd\n        // const box = getBBox(elem), left = box.x, top = box.y, {width, height} = box,\n        //   dx = width - oldW, dy = 0;\n        // const angle = getRotationAngle(elem, true);\n        // if (angle) {\n        //   const r = Math.sqrt(dx * dx + dy * dy);\n        //   const theta = Math.atan2(dy, dx) - angle;\n        //   dx = r * Math.cos(theta);\n        //   dy = r * Math.sin(theta);\n        //\n        //   elem.setAttribute('x', elem.getAttribute('x') - dx);\n        //   elem.setAttribute('y', elem.getAttribute('y') - dy);\n        // }\n      } else if (attr === '#href') {\n        setHref(elem, newValue);\n      } else { elem.setAttribute(attr, newValue); }\n\n      // Go into \"select\" mode for text changes\n      // NOTE: Important that this happens AFTER elem.setAttribute() or else attributes like\n      // font-size can get reset to their old value, ultimately by svgEditor.updateContextPanel(),\n      // after calling textActions.toSelectMode() below\n      if (currentMode === 'textedit' && attr !== '#text' && elem.textContent.length) {\n        textActions.toSelectMode(elem);\n      }\n\n      // if (i === 0) {\n      //   selectedBBoxes[0] = utilsGetBBox(elem);\n      // }\n\n      // Use the Firefox ffClone hack for text elements with gradients or\n      // where other text attributes are changed.\n      if (isGecko() && elem.nodeName === 'text' && (/rotate/).test(elem.getAttribute('transform'))) {\n        if (String(newValue).startsWith('url') || (['font-size', 'font-family', 'x', 'y'].includes(attr) && elem.textContent)) {\n          elem = ffClone(elem);\n        }\n      }\n      // Timeout needed for Opera & Firefox\n      // codedread: it is now possible for this function to be called with elements\n      // that are not in the selectedElements array, we need to only request a\n      // selector if the element is in that array\n      if (selectedElements.includes(elem)) {\n        setTimeout(function () {\n          // Due to element replacement, this element may no longer\n          // be part of the DOM\n          if (!elem.parentNode) { return; }\n          selectorManager.requestSelector(elem).resize();\n        }, 0);\n      }\n      // if this element was rotated, and we changed the position of this element\n      // we need to update the rotational transform attribute\n      const angle = getRotationAngle(elem);\n      if (angle !== 0 && attr !== 'transform') {\n        const tlist = getTransformList(elem);\n        let n = tlist.numberOfItems;\n        while (n--) {\n          const xform = tlist.getItem(n);\n          if (xform.type === 4) {\n            // remove old rotate\n            tlist.removeItem(n);\n\n            const box = utilsGetBBox(elem);\n            const center = transformPoint(box.x + box.width / 2, box.y + box.height / 2, transformListToTransform(tlist).matrix);\n            const cx = center.x,\n              cy = center.y;\n            const newrot = svgroot.createSVGTransform();\n            newrot.setRotate(angle, cx, cy);\n            tlist.insertItemBefore(newrot, n);\n            break;\n          }\n        }\n      }\n    } // if oldValue != newValue\n  } // for each elem\n};\n\n/**\n* Change the given/selected element and add the original value to the history stack.\n* If you want to change all `selectedElements`, ignore the `elems` argument.\n* If you want to change only a subset of `selectedElements`, then send the\n* subset to this function in the `elems` argument.\n* @function module:svgcanvas.SvgCanvas#changeSelectedAttribute\n* @param {string} attr - String with the attribute name\n* @param {string|Float} newValue - String or number with the new attribute value\n* @param {Element[]} elems - The DOM elements to apply the change to\n* @returns {undefined}\n*/\nconst changeSelectedAttribute = this.changeSelectedAttribute = function (attr, val, elems) {\n  elems = elems || selectedElements;\n  canvas.undoMgr.beginUndoableChange(attr, elems);\n  // const i = elems.length;\n\n  changeSelectedAttributeNoUndo(attr, val, elems);\n\n  const batchCmd = canvas.undoMgr.finishUndoableChange();\n  if (!batchCmd.isEmpty()) {\n    addCommandToHistory(batchCmd);\n  }\n};\n\n/**\n* Removes all selected elements from the DOM and adds the change to the\n* history stack\n* @function module:svgcanvas.SvgCanvas#deleteSelectedElements\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.deleteSelectedElements = function () {\n  const batchCmd = new BatchCommand('Delete Elements');\n  const len = selectedElements.length;\n  const selectedCopy = []; // selectedElements is being deleted\n\n  for (let i = 0; i < len; ++i) {\n    const selected = selectedElements[i];\n    if (selected == null) { break; }\n\n    let parent = selected.parentNode;\n    let t = selected;\n\n    // this will unselect the element and remove the selectedOutline\n    selectorManager.releaseSelector(t);\n\n    // Remove the path if present.\n    pathModule.removePath_(t.id);\n\n    // Get the parent if it's a single-child anchor\n    if (parent.tagName === 'a' && parent.childNodes.length === 1) {\n      t = parent;\n      parent = parent.parentNode;\n    }\n\n    const {nextSibling} = t;\n    const elem = parent.removeChild(t);\n    selectedCopy.push(selected); // for the copy\n    batchCmd.addSubCommand(new RemoveElementCommand(elem, nextSibling, parent));\n  }\n  selectedElements = [];\n\n  if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); }\n  call('changed', selectedCopy);\n  clearSelection();\n};\n\n/**\n* Removes all selected elements from the DOM and adds the change to the\n* history stack. Remembers removed elements on the clipboard\n* @function module:svgcanvas.SvgCanvas#cutSelectedElements\n* @returns {undefined}\n*/\nthis.cutSelectedElements = function () {\n  canvas.copySelectedElements();\n  canvas.deleteSelectedElements();\n};\n\n/**\n* Remembers the current selected elements on the clipboard\n* @function module:svgcanvas.SvgCanvas#copySelectedElements\n* @returns {undefined}\n*/\nthis.copySelectedElements = function () {\n  localStorage.setItem('svgedit_clipboard', JSON.stringify(\n    selectedElements.map(function (x) { return getJsonFromSvgElement(x); })\n  ));\n\n  $('#cmenu_canvas').enableContextMenuItems('#paste,#paste_in_place');\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#pasteElements\n* @param {\"in_place\"|\"point\"|undefined} type\n* @param {Integer|undefined} x Expected if type is \"point\"\n* @param {Integer|undefined} y Expected if type is \"point\"\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @fires module:svgcanvas.SvgCanvas#event:ext-IDsUpdated\n* @returns {undefined}\n*/\nthis.pasteElements = function (type, x, y) {\n  let clipb = JSON.parse(localStorage.getItem('svgedit_clipboard'));\n  let len = clipb.length;\n  if (!len) { return; }\n\n  const pasted = [];\n  const batchCmd = new BatchCommand('Paste elements');\n  // const drawing = getCurrentDrawing();\n  /**\n  * @typedef {PlainObject.<string, string>} module:svgcanvas.ChangedIDs\n  */\n  /**\n   * @type {module:svgcanvas.ChangedIDs}\n   */\n  const changedIDs = {};\n\n  // Recursively replace IDs and record the changes\n  function checkIDs (elem) {\n    if (elem.attr && elem.attr.id) {\n      changedIDs[elem.attr.id] = getNextId();\n      elem.attr.id = changedIDs[elem.attr.id];\n    }\n    if (elem.children) elem.children.forEach(checkIDs);\n  }\n  clipb.forEach(checkIDs);\n\n  // Give extensions like the connector extension a chance to reflect new IDs and remove invalid elements\n  /**\n  * Triggered when `pasteElements` is called from a paste action (context menu or key)\n  * @event module:svgcanvas.SvgCanvas#event:ext-IDsUpdated\n  * @type {PlainObject}\n  * @property {module:svgcanvas.SVGAsJSON[]} elems\n  * @property {module:svgcanvas.ChangedIDs} changes Maps past ID (on attribute) to current ID\n  */\n  runExtensions(\n    'IDsUpdated',\n    /** @type {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} */\n    {elems: clipb, changes: changedIDs},\n    true\n  ).forEach(function (extChanges) {\n    if (!extChanges || !('remove' in extChanges)) return;\n\n    extChanges.remove.forEach(function (removeID) {\n      clipb = clipb.filter(function (clipBoardItem) {\n        return clipBoardItem.attr.id !== removeID;\n      });\n    });\n  });\n\n  // Move elements to lastClickPoint\n  while (len--) {\n    const elem = clipb[len];\n    if (!elem) { continue; }\n\n    const copy = addSVGElementFromJson(elem);\n    pasted.push(copy);\n    batchCmd.addSubCommand(new InsertElementCommand(copy));\n\n    restoreRefElems(copy);\n  }\n\n  selectOnly(pasted);\n\n  if (type !== 'in_place') {\n    let ctrX, ctrY;\n\n    if (!type) {\n      ctrX = lastClickPoint.x;\n      ctrY = lastClickPoint.y;\n    } else if (type === 'point') {\n      ctrX = x;\n      ctrY = y;\n    }\n\n    const bbox = getStrokedBBoxDefaultVisible(pasted);\n    const cx = ctrX - (bbox.x + bbox.width / 2),\n      cy = ctrY - (bbox.y + bbox.height / 2),\n      dx = [],\n      dy = [];\n\n    $.each(pasted, function (i, item) {\n      dx.push(cx);\n      dy.push(cy);\n    });\n\n    const cmd = canvas.moveSelectedElements(dx, dy, false);\n    if (cmd) batchCmd.addSubCommand(cmd);\n  }\n\n  addCommandToHistory(batchCmd);\n  call('changed', pasted);\n};\n\n/**\n* Wraps all the selected elements in a group (`g`) element\n* @function module:svgcanvas.SvgCanvas#groupSelectedElements\n* @param {\"a\"|\"g\"} [type=\"g\"] - type of element to group into, defaults to `<g>`\n* @param {string} [urlArg]\n* @returns {undefined}\n*/\nthis.groupSelectedElements = function (type, urlArg) {\n  if (!type) { type = 'g'; }\n  let cmdStr = '';\n  let url;\n\n  switch (type) {\n  case 'a': {\n    cmdStr = 'Make hyperlink';\n    url = urlArg || '';\n    break;\n  } default: {\n    type = 'g';\n    cmdStr = 'Group Elements';\n    break;\n  }\n  }\n\n  const batchCmd = new BatchCommand(cmdStr);\n\n  // create and insert the group element\n  const g = addSVGElementFromJson({\n    element: type,\n    attr: {\n      id: getNextId()\n    }\n  });\n  if (type === 'a') {\n    setHref(g, url);\n  }\n  batchCmd.addSubCommand(new InsertElementCommand(g));\n\n  // now move all children into the group\n  let i = selectedElements.length;\n  while (i--) {\n    let elem = selectedElements[i];\n    if (elem == null) { continue; }\n\n    if (elem.parentNode.tagName === 'a' && elem.parentNode.childNodes.length === 1) {\n      elem = elem.parentNode;\n    }\n\n    const oldNextSibling = elem.nextSibling;\n    const oldParent = elem.parentNode;\n    g.append(elem);\n    batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldParent));\n  }\n  if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); }\n\n  // update selection\n  selectOnly([g], true);\n};\n\n/**\n* Pushes all appropriate parent group properties down to its children, then\n* removes them from the group\n* @function module:svgcanvas.SvgCanvas#pushGroupProperties\n* @param {SVGAElement|SVGGElement} g\n* @param {boolean} undoable\n* @returns {undefined}\n*/\nconst pushGroupProperties = this.pushGroupProperties = function (g, undoable) {\n  const children = g.childNodes;\n  const len = children.length;\n  const xform = g.getAttribute('transform');\n\n  const glist = getTransformList(g);\n  const m = transformListToTransform(glist).matrix;\n\n  const batchCmd = new BatchCommand('Push group properties');\n\n  // TODO: get all fill/stroke properties from the group that we are about to destroy\n  // \"fill\", \"fill-opacity\", \"fill-rule\", \"stroke\", \"stroke-dasharray\", \"stroke-dashoffset\",\n  // \"stroke-linecap\", \"stroke-linejoin\", \"stroke-miterlimit\", \"stroke-opacity\",\n  // \"stroke-width\"\n  // and then for each child, if they do not have the attribute (or the value is 'inherit')\n  // then set the child's attribute\n\n  const gangle = getRotationAngle(g);\n\n  const gattrs = $(g).attr(['filter', 'opacity']);\n  let gfilter, gblur, changes;\n  const drawing = getCurrentDrawing();\n\n  for (let i = 0; i < len; i++) {\n    const elem = children[i];\n\n    if (elem.nodeType !== 1) { continue; }\n\n    if (gattrs.opacity !== null && gattrs.opacity !== 1) {\n      // const c_opac = elem.getAttribute('opacity') || 1;\n      const newOpac = Math.round((elem.getAttribute('opacity') || 1) * gattrs.opacity * 100) / 100;\n      changeSelectedAttribute('opacity', newOpac, [elem]);\n    }\n\n    if (gattrs.filter) {\n      let cblur = this.getBlur(elem);\n      const origCblur = cblur;\n      if (!gblur) { gblur = this.getBlur(g); }\n      if (cblur) {\n        // Is this formula correct?\n        cblur = Number(gblur) + Number(cblur);\n      } else if (cblur === 0) {\n        cblur = gblur;\n      }\n\n      // If child has no current filter, get group's filter or clone it.\n      if (!origCblur) {\n        // Set group's filter to use first child's ID\n        if (!gfilter) {\n          gfilter = getRefElem(gattrs.filter);\n        } else {\n          // Clone the group's filter\n          gfilter = drawing.copyElem(gfilter);\n          findDefs().append(gfilter);\n        }\n      } else {\n        gfilter = getRefElem(elem.getAttribute('filter'));\n      }\n\n      // Change this in future for different filters\n      const suffix = (gfilter.firstChild.tagName === 'feGaussianBlur') ? 'blur' : 'filter';\n      gfilter.id = elem.id + '_' + suffix;\n      changeSelectedAttribute('filter', 'url(#' + gfilter.id + ')', [elem]);\n\n      // Update blur value\n      if (cblur) {\n        changeSelectedAttribute('stdDeviation', cblur, [gfilter.firstChild]);\n        canvas.setBlurOffsets(gfilter, cblur);\n      }\n    }\n\n    let chtlist = getTransformList(elem);\n\n    // Don't process gradient transforms\n    if (elem.tagName.includes('Gradient')) { chtlist = null; }\n\n    // Hopefully not a problem to add this. Necessary for elements like <desc/>\n    if (!chtlist) { continue; }\n\n    // Apparently <defs> can get get a transformlist, but we don't want it to have one!\n    if (elem.tagName === 'defs') { continue; }\n\n    if (glist.numberOfItems) {\n      // TODO: if the group's transform is just a rotate, we can always transfer the\n      // rotate() down to the children (collapsing consecutive rotates and factoring\n      // out any translates)\n      if (gangle && glist.numberOfItems === 1) {\n        // [Rg] [Rc] [Mc]\n        // we want [Tr] [Rc2] [Mc] where:\n        //  - [Rc2] is at the child's current center but has the\n        // sum of the group and child's rotation angles\n        //  - [Tr] is the equivalent translation that this child\n        // undergoes if the group wasn't there\n\n        // [Tr] = [Rg] [Rc] [Rc2_inv]\n\n        // get group's rotation matrix (Rg)\n        const rgm = glist.getItem(0).matrix;\n\n        // get child's rotation matrix (Rc)\n        let rcm = svgroot.createSVGMatrix();\n        const cangle = getRotationAngle(elem);\n        if (cangle) {\n          rcm = chtlist.getItem(0).matrix;\n        }\n\n        // get child's old center of rotation\n        const cbox = utilsGetBBox(elem);\n        const ceqm = transformListToTransform(chtlist).matrix;\n        const coldc = transformPoint(cbox.x + cbox.width / 2, cbox.y + cbox.height / 2, ceqm);\n\n        // sum group and child's angles\n        const sangle = gangle + cangle;\n\n        // get child's rotation at the old center (Rc2_inv)\n        const r2 = svgroot.createSVGTransform();\n        r2.setRotate(sangle, coldc.x, coldc.y);\n\n        // calculate equivalent translate\n        const trm = matrixMultiply(rgm, rcm, r2.matrix.inverse());\n\n        // set up tlist\n        if (cangle) {\n          chtlist.removeItem(0);\n        }\n\n        if (sangle) {\n          if (chtlist.numberOfItems) {\n            chtlist.insertItemBefore(r2, 0);\n          } else {\n            chtlist.appendItem(r2);\n          }\n        }\n\n        if (trm.e || trm.f) {\n          const tr = svgroot.createSVGTransform();\n          tr.setTranslate(trm.e, trm.f);\n          if (chtlist.numberOfItems) {\n            chtlist.insertItemBefore(tr, 0);\n          } else {\n            chtlist.appendItem(tr);\n          }\n        }\n      } else { // more complicated than just a rotate\n        // transfer the group's transform down to each child and then\n        // call recalculateDimensions()\n        const oldxform = elem.getAttribute('transform');\n        changes = {};\n        changes.transform = oldxform || '';\n\n        const newxform = svgroot.createSVGTransform();\n\n        // [ gm ] [ chm ] = [ chm ] [ gm' ]\n        // [ gm' ] = [ chmInv ] [ gm ] [ chm ]\n        const chm = transformListToTransform(chtlist).matrix,\n          chmInv = chm.inverse();\n        const gm = matrixMultiply(chmInv, m, chm);\n        newxform.setMatrix(gm);\n        chtlist.appendItem(newxform);\n      }\n      const cmd = recalculateDimensions(elem);\n      if (cmd) { batchCmd.addSubCommand(cmd); }\n    }\n  }\n\n  // remove transform and make it undo-able\n  if (xform) {\n    changes = {};\n    changes.transform = xform;\n    g.setAttribute('transform', '');\n    g.removeAttribute('transform');\n    batchCmd.addSubCommand(new ChangeElementCommand(g, changes));\n  }\n\n  if (undoable && !batchCmd.isEmpty()) {\n    return batchCmd;\n  }\n};\n\n/**\n* Unwraps all the elements in a selected group (`g`) element. This requires\n* significant recalculations to apply group's transforms, etc. to its children\n* @function module:svgcanvas.SvgCanvas#ungroupSelectedElement\n* @returns {undefined}\n*/\nthis.ungroupSelectedElement = function () {\n  let g = selectedElements[0];\n  if (!g) {\n    return;\n  }\n  if ($(g).data('gsvg') || $(g).data('symbol')) {\n    // Is svg, so actually convert to group\n    convertToGroup(g);\n    return;\n  }\n  if (g.tagName === 'use') {\n    // Somehow doesn't have data set, so retrieve\n    const symbol = getElem(getHref(g).substr(1));\n    $(g).data('symbol', symbol).data('ref', symbol);\n    convertToGroup(g);\n    return;\n  }\n  const parentsA = $(g).parents('a');\n  if (parentsA.length) {\n    g = parentsA[0];\n  }\n\n  // Look for parent \"a\"\n  if (g.tagName === 'g' || g.tagName === 'a') {\n    const batchCmd = new BatchCommand('Ungroup Elements');\n    const cmd = pushGroupProperties(g, true);\n    if (cmd) { batchCmd.addSubCommand(cmd); }\n\n    const parent = g.parentNode;\n    const anchor = g.nextSibling;\n    const children = new Array(g.childNodes.length);\n\n    let i = 0;\n    while (g.firstChild) {\n      let elem = g.firstChild;\n      const oldNextSibling = elem.nextSibling;\n      const oldParent = elem.parentNode;\n\n      // Remove child title elements\n      if (elem.tagName === 'title') {\n        const {nextSibling} = elem;\n        batchCmd.addSubCommand(new RemoveElementCommand(elem, nextSibling, oldParent));\n        elem.remove();\n        continue;\n      }\n\n      children[i++] = elem = parent.insertBefore(elem, anchor);\n      batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldParent));\n    }\n\n    // remove the group from the selection\n    clearSelection();\n\n    // delete the group element (but make undo-able)\n    const gNextSibling = g.nextSibling;\n    g = parent.removeChild(g);\n    batchCmd.addSubCommand(new RemoveElementCommand(g, gNextSibling, parent));\n\n    if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); }\n\n    // update selection\n    addToSelection(children);\n  }\n};\n\n/**\n* Repositions the selected element to the bottom in the DOM to appear on top of\n* other elements\n* @function module:svgcanvas.SvgCanvas#moveToTopSelectedElement\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.moveToTopSelectedElement = function () {\n  const [selected] = selectedElements;\n  if (selected != null) {\n    let t = selected;\n    const oldParent = t.parentNode;\n    const oldNextSibling = t.nextSibling;\n    t = t.parentNode.appendChild(t);\n    // If the element actually moved position, add the command and fire the changed\n    // event handler.\n    if (oldNextSibling !== t.nextSibling) {\n      addCommandToHistory(new MoveElementCommand(t, oldNextSibling, oldParent, 'top'));\n      call('changed', [t]);\n    }\n  }\n};\n\n/**\n* Repositions the selected element to the top in the DOM to appear under\n* other elements\n* @function module:svgcanvas.SvgCanvas#moveToBottomSelectedElement\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.moveToBottomSelectedElement = function () {\n  const [selected] = selectedElements;\n  if (selected != null) {\n    let t = selected;\n    const oldParent = t.parentNode;\n    const oldNextSibling = t.nextSibling;\n    let {firstChild} = t.parentNode;\n    if (firstChild.tagName === 'title') {\n      firstChild = firstChild.nextSibling;\n    }\n    // This can probably be removed, as the defs should not ever apppear\n    // inside a layer group\n    if (firstChild.tagName === 'defs') {\n      firstChild = firstChild.nextSibling;\n    }\n    t = t.parentNode.insertBefore(t, firstChild);\n    // If the element actually moved position, add the command and fire the changed\n    // event handler.\n    if (oldNextSibling !== t.nextSibling) {\n      addCommandToHistory(new MoveElementCommand(t, oldNextSibling, oldParent, 'bottom'));\n      call('changed', [t]);\n    }\n  }\n};\n\n/**\n* Moves the select element up or down the stack, based on the visibly\n* intersecting elements\n* @function module:svgcanvas.SvgCanvas#moveUpDownSelected\n* @param {\"Up\"|\"Down\"} dir - String that's either 'Up' or 'Down'\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.moveUpDownSelected = function (dir) {\n  const selected = selectedElements[0];\n  if (!selected) { return; }\n\n  curBBoxes = [];\n  let closest, foundCur;\n  // jQuery sorts this list\n  const list = $(getIntersectionList(getStrokedBBoxDefaultVisible([selected]))).toArray();\n  if (dir === 'Down') { list.reverse(); }\n\n  $.each(list, function () {\n    if (!foundCur) {\n      if (this === selected) {\n        foundCur = true;\n      }\n      return;\n    }\n    closest = this;\n    return false;\n  });\n  if (!closest) { return; }\n\n  const t = selected;\n  const oldParent = t.parentNode;\n  const oldNextSibling = t.nextSibling;\n  $(closest)[dir === 'Down' ? 'before' : 'after'](t);\n  // If the element actually moved position, add the command and fire the changed\n  // event handler.\n  if (oldNextSibling !== t.nextSibling) {\n    addCommandToHistory(new MoveElementCommand(t, oldNextSibling, oldParent, 'Move ' + dir));\n    call('changed', [t]);\n  }\n};\n\n/**\n* Moves selected elements on the X/Y axis\n* @function module:svgcanvas.SvgCanvas#moveSelectedElements\n* @param {Float} dx - Float with the distance to move on the x-axis\n* @param {Float} dy - Float with the distance to move on the y-axis\n* @param {boolean} undoable - Boolean indicating whether or not the action should be undoable\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {BatchCommand} Batch command for the move\n*/\nthis.moveSelectedElements = function (dx, dy, undoable) {\n  // if undoable is not sent, default to true\n  // if single values, scale them to the zoom\n  if (dx.constructor !== Array) {\n    dx /= currentZoom;\n    dy /= currentZoom;\n  }\n  undoable = undoable || true;\n  const batchCmd = new BatchCommand('position');\n  let i = selectedElements.length;\n  while (i--) {\n    const selected = selectedElements[i];\n    if (selected != null) {\n      // if (i === 0) {\n      //   selectedBBoxes[0] = utilsGetBBox(selected);\n      // }\n      // const b = {};\n      // for (const j in selectedBBoxes[i]) b[j] = selectedBBoxes[i][j];\n      // selectedBBoxes[i] = b;\n\n      const xform = svgroot.createSVGTransform();\n      const tlist = getTransformList(selected);\n\n      // dx and dy could be arrays\n      if (dx.constructor === Array) {\n        // if (i === 0) {\n        //   selectedBBoxes[0].x += dx[0];\n        //   selectedBBoxes[0].y += dy[0];\n        // }\n        xform.setTranslate(dx[i], dy[i]);\n      } else {\n        // if (i === 0) {\n        //   selectedBBoxes[0].x += dx;\n        //   selectedBBoxes[0].y += dy;\n        // }\n        xform.setTranslate(dx, dy);\n      }\n\n      if (tlist.numberOfItems) {\n        tlist.insertItemBefore(xform, 0);\n      } else {\n        tlist.appendItem(xform);\n      }\n\n      const cmd = recalculateDimensions(selected);\n      if (cmd) {\n        batchCmd.addSubCommand(cmd);\n      }\n\n      selectorManager.requestSelector(selected).resize();\n    }\n  }\n  if (!batchCmd.isEmpty()) {\n    if (undoable) {\n      addCommandToHistory(batchCmd);\n    }\n    call('changed', selectedElements);\n    return batchCmd;\n  }\n};\n\n/**\n* Create deep DOM copies (clones) of all selected elements and move them slightly\n* from their originals\n* @function module:svgcanvas.SvgCanvas#cloneSelectedElements\n* @param {Float} x Float with the distance to move on the x-axis\n* @param {Float} y Float with the distance to move on the y-axis\n* @returns {undefined}\n*/\nthis.cloneSelectedElements = function (x, y) {\n  let i, elem;\n  const batchCmd = new BatchCommand('Clone Elements');\n  // find all the elements selected (stop at first null)\n  const len = selectedElements.length;\n  function sortfunction (a, b) {\n    return ($(b).index() - $(a).index()); // causes an array to be sorted numerically and ascending\n  }\n  selectedElements.sort(sortfunction);\n  for (i = 0; i < len; ++i) {\n    elem = selectedElements[i];\n    if (elem == null) { break; }\n  }\n  // use slice to quickly get the subset of elements we need\n  const copiedElements = selectedElements.slice(0, i);\n  this.clearSelection(true);\n  // note that we loop in the reverse way because of the way elements are added\n  // to the selectedElements array (top-first)\n  const drawing = getCurrentDrawing();\n  i = copiedElements.length;\n  while (i--) {\n    // clone each element and replace it within copiedElements\n    elem = copiedElements[i] = drawing.copyElem(copiedElements[i]);\n    (currentGroup || drawing.getCurrentLayer()).append(elem);\n    batchCmd.addSubCommand(new InsertElementCommand(elem));\n  }\n\n  if (!batchCmd.isEmpty()) {\n    addToSelection(copiedElements.reverse()); // Need to reverse for correct selection-adding\n    this.moveSelectedElements(x, y, false);\n    addCommandToHistory(batchCmd);\n  }\n};\n\n/**\n* Aligns selected elements\n* @function module:svgcanvas.SvgCanvas#alignSelectedElements\n* @param {string} type - String with single character indicating the alignment type\n* @param {\"selected\"|\"largest\"|\"smallest\"|\"page\"} relativeTo\n* @returns {undefined}\n*/\nthis.alignSelectedElements = function (type, relativeTo) {\n  const bboxes = []; // angles = [];\n  const len = selectedElements.length;\n  if (!len) { return; }\n  let minx = Number.MAX_VALUE, maxx = Number.MIN_VALUE,\n    miny = Number.MAX_VALUE, maxy = Number.MIN_VALUE;\n  let curwidth = Number.MIN_VALUE, curheight = Number.MIN_VALUE;\n  for (let i = 0; i < len; ++i) {\n    if (selectedElements[i] == null) { break; }\n    const elem = selectedElements[i];\n    bboxes[i] = getStrokedBBoxDefaultVisible([elem]);\n\n    // now bbox is axis-aligned and handles rotation\n    switch (relativeTo) {\n    case 'smallest':\n      if (((type === 'l' || type === 'c' || type === 'r') &&\n        (curwidth === Number.MIN_VALUE || curwidth > bboxes[i].width)) ||\n        ((type === 't' || type === 'm' || type === 'b') &&\n        (curheight === Number.MIN_VALUE || curheight > bboxes[i].height))\n      ) {\n        minx = bboxes[i].x;\n        miny = bboxes[i].y;\n        maxx = bboxes[i].x + bboxes[i].width;\n        maxy = bboxes[i].y + bboxes[i].height;\n        curwidth = bboxes[i].width;\n        curheight = bboxes[i].height;\n      }\n      break;\n    case 'largest':\n      if (((type === 'l' || type === 'c' || type === 'r') &&\n        (curwidth === Number.MIN_VALUE || curwidth < bboxes[i].width)) ||\n        ((type === 't' || type === 'm' || type === 'b') &&\n        (curheight === Number.MIN_VALUE || curheight < bboxes[i].height))\n      ) {\n        minx = bboxes[i].x;\n        miny = bboxes[i].y;\n        maxx = bboxes[i].x + bboxes[i].width;\n        maxy = bboxes[i].y + bboxes[i].height;\n        curwidth = bboxes[i].width;\n        curheight = bboxes[i].height;\n      }\n      break;\n    default: // 'selected'\n      if (bboxes[i].x < minx) { minx = bboxes[i].x; }\n      if (bboxes[i].y < miny) { miny = bboxes[i].y; }\n      if (bboxes[i].x + bboxes[i].width > maxx) { maxx = bboxes[i].x + bboxes[i].width; }\n      if (bboxes[i].y + bboxes[i].height > maxy) { maxy = bboxes[i].y + bboxes[i].height; }\n      break;\n    }\n  } // loop for each element to find the bbox and adjust min/max\n\n  if (relativeTo === 'page') {\n    minx = 0;\n    miny = 0;\n    maxx = canvas.contentW;\n    maxy = canvas.contentH;\n  }\n\n  const dx = new Array(len);\n  const dy = new Array(len);\n  for (let i = 0; i < len; ++i) {\n    if (selectedElements[i] == null) { break; }\n    // const elem = selectedElements[i];\n    const bbox = bboxes[i];\n    dx[i] = 0;\n    dy[i] = 0;\n    switch (type) {\n    case 'l': // left (horizontal)\n      dx[i] = minx - bbox.x;\n      break;\n    case 'c': // center (horizontal)\n      dx[i] = (minx + maxx) / 2 - (bbox.x + bbox.width / 2);\n      break;\n    case 'r': // right (horizontal)\n      dx[i] = maxx - (bbox.x + bbox.width);\n      break;\n    case 't': // top (vertical)\n      dy[i] = miny - bbox.y;\n      break;\n    case 'm': // middle (vertical)\n      dy[i] = (miny + maxy) / 2 - (bbox.y + bbox.height / 2);\n      break;\n    case 'b': // bottom (vertical)\n      dy[i] = maxy - (bbox.y + bbox.height);\n      break;\n    }\n  }\n  this.moveSelectedElements(dx, dy);\n};\n\n/**\n* Group: Additional editor tools\n*/\n\n/**\n* @name module:svgcanvas.SvgCanvas#contentW\n* @type {Float}\n*/\nthis.contentW = getResolution().w;\n/**\n* @name module:svgcanvas.SvgCanvas#contentH\n* @type {Float}\n*/\nthis.contentH = getResolution().h;\n\n/**\n* @typedef {PlainObject} module:svgcanvas.CanvasInfo\n* @property {Float} x - The canvas' new x coordinate\n* @property {Float} y - The canvas' new y coordinate\n* @property {string} oldX - The canvas' old x coordinate\n* @property {string} oldY - The canvas' old y coordinate\n* @property {Float} d_x - The x position difference\n* @property {Float} d_y - The y position difference\n*/\n\n/**\n* Updates the editor canvas width/height/position after a zoom has occurred\n* @function module:svgcanvas.SvgCanvas#updateCanvas\n* @param {Float} w - Float with the new width\n* @param {Float} h - Float with the new height\n* @fires module:svgcanvas.SvgCanvas#event:ext-canvasUpdated\n* @returns {module:svgcanvas.CanvasInfo}\n*/\nthis.updateCanvas = function (w, h) {\n  svgroot.setAttribute('width', w);\n  svgroot.setAttribute('height', h);\n  const bg = $('#canvasBackground')[0];\n  const oldX = svgcontent.getAttribute('x');\n  const oldY = svgcontent.getAttribute('y');\n  const x = (w / 2 - this.contentW * currentZoom / 2);\n  const y = (h / 2 - this.contentH * currentZoom / 2);\n\n  assignAttributes(svgcontent, {\n    width: this.contentW * currentZoom,\n    height: this.contentH * currentZoom,\n    x,\n    y,\n    viewBox: '0 0 ' + this.contentW + ' ' + this.contentH\n  });\n\n  assignAttributes(bg, {\n    width: svgcontent.getAttribute('width'),\n    height: svgcontent.getAttribute('height'),\n    x,\n    y\n  });\n\n  const bgImg = getElem('background_image');\n  if (bgImg) {\n    assignAttributes(bgImg, {\n      width: '100%',\n      height: '100%'\n    });\n  }\n\n  selectorManager.selectorParentGroup.setAttribute('transform', 'translate(' + x + ',' + y + ')');\n  /**\n  * Invoked upon updates to the canvas.\n  * @event module:svgcanvas.SvgCanvas#event:ext-canvasUpdated\n  * @type {PlainObject}\n  * @property {Integer} new_x\n  * @property {Integer} new_y\n  * @property {string} old_x (Of Integer)\n  * @property {string} old_y (Of Integer)\n  * @property {Integer} d_x\n  * @property {Integer} d_y\n  */\n  runExtensions(\n    'canvasUpdated',\n    /**\n     * @type {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated}\n     */\n    {new_x: x, new_y: y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY}\n  );\n  return {x, y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY};\n};\n\n/**\n* Set the background of the editor (NOT the actual document)\n* @function module:svgcanvas.SvgCanvas#setBackground\n* @param {string} color - String with fill color to apply\n* @param {string} url - URL or path to image to use\n* @returns {undefined}\n*/\nthis.setBackground = function (color, url) {\n  const bg = getElem('canvasBackground');\n  const border = $(bg).find('rect')[0];\n  let bgImg = getElem('background_image');\n  border.setAttribute('fill', color);\n  if (url) {\n    if (!bgImg) {\n      bgImg = svgdoc.createElementNS(NS.SVG, 'image');\n      assignAttributes(bgImg, {\n        id: 'background_image',\n        width: '100%',\n        height: '100%',\n        preserveAspectRatio: 'xMinYMin',\n        style: 'pointer-events:none'\n      });\n    }\n    setHref(bgImg, url);\n    bg.append(bgImg);\n  } else if (bgImg) {\n    bgImg.remove();\n  }\n};\n\n/**\n* Select the next/previous element within the current layer\n* @function module:svgcanvas.SvgCanvas#cycleElement\n* @param {boolean} next - true = next and false = previous element\n* @fires module:svgcanvas.SvgCanvas#event:selected\n* @returns {undefined}\n*/\nthis.cycleElement = function (next) {\n  let num;\n  const curElem = selectedElements[0];\n  let elem = false;\n  const allElems = getVisibleElements(currentGroup || getCurrentDrawing().getCurrentLayer());\n  if (!allElems.length) { return; }\n  if (curElem == null) {\n    num = next ? allElems.length - 1 : 0;\n    elem = allElems[num];\n  } else {\n    let i = allElems.length;\n    while (i--) {\n      if (allElems[i] === curElem) {\n        num = next ? i - 1 : i + 1;\n        if (num >= allElems.length) {\n          num = 0;\n        } else if (num < 0) {\n          num = allElems.length - 1;\n        }\n        elem = allElems[num];\n        break;\n      }\n    }\n  }\n  selectOnly([elem], true);\n  call('selected', selectedElements);\n};\n\nthis.clear();\n\n/**\n* @interface module:svgcanvas.PrivateMethods\n* @type {PlainObject}\n* @property {module:svgcanvas~addCommandToHistory} addCommandToHistory\n* @property {module:history.HistoryCommand} BatchCommand\n* @property {module:history.HistoryCommand} ChangeElementCommand\n* @property {module:utilities.decode64} decode64\n* @property {module:utilities.dropXMLInteralSubset} dropXMLInteralSubset\n* @property {module:utilities.encode64} encode64\n* @property {module:svgcanvas~ffClone} ffClone\n* @property {module:svgcanvas~findDuplicateGradient} findDuplicateGradient\n* @property {module:utilities.getPathBBox} getPathBBox\n* @property {module:units.getTypeMap} getTypeMap\n* @property {module:draw.identifyLayers} identifyLayers\n* @property {module:history.HistoryCommand} InsertElementCommand\n* @property {module:browser.isChrome} isChrome\n* @property {module:math.isIdentity} isIdentity\n* @property {module:browser.isIE} isIE\n* @property {module:svgcanvas~logMatrix} logMatrix\n* @property {module:history.HistoryCommand} MoveElementCommand\n* @property {module:namespaces.NS} NS\n* @property {module:utilities.preventClickDefault} preventClickDefault\n* @property {module:history.HistoryCommand} RemoveElementCommand\n* @property {module:SVGTransformList.SVGEditTransformList} SVGEditTransformList\n* @property {module:utilities.text2xml} text2xml\n* @property {module:math.transformBox} transformBox\n* @property {module:math.transformPoint} transformPoint\n* @property {module:utilities.walkTree} walkTree\n*/\n/**\n* @deprecated getPrivateMethods\n* Since all methods are/should be public somehow, this function should be removed;\n*  we might require `import` in place of this in the future once ES6 Modules\n*  widespread\n\n* Being able to access private methods publicly seems wrong somehow,\n* but currently appears to be the best way to allow testing and provide\n* access to them to plugins.\n* @function module:svgcanvas.SvgCanvas#getPrivateMethods\n* @returns {module:svgcanvas.PrivateMethods}\n*/\nthis.getPrivateMethods = function () {\n  const obj = {\n    addCommandToHistory,\n    BatchCommand,\n    ChangeElementCommand,\n    decode64,\n    dropXMLInteralSubset,\n    encode64,\n    ffClone,\n    findDefs,\n    findDuplicateGradient,\n    getElem,\n    getPathBBox,\n    getTypeMap,\n    getUrlFromAttr,\n    identifyLayers: draw.identifyLayers,\n    InsertElementCommand,\n    isChrome,\n    isIdentity,\n    isIE,\n    logMatrix,\n    MoveElementCommand,\n    NS,\n    preventClickDefault,\n    RemoveElementCommand,\n    SVGEditTransformList,\n    text2xml,\n    transformBox,\n    transformPoint,\n    walkTree\n  };\n  return obj;\n};\n  } // End constructor\n} // End class\n\nexport default SvgCanvas;\n","/**\n * jGraduate 0.4\n *\n * jQuery Plugin for a gradient picker\n *\n * @module jGraduate\n * @copyright 2010 Jeff Schiller {@link http://blog.codedread.com/}, 2010 Alexis Deveria {@link http://a.deveria.com/}\n *\n * @license Apache-2.0\n * @example\n * // The Paint object is described below.\n * $.jGraduate.Paint() // constructs a 'none' color\n * @example $.jGraduate.Paint({copy: o}) // creates a copy of the paint o\n * @example $.jGraduate.Paint({hex: '#rrggbb'}) // creates a solid color paint with hex = \"#rrggbb\"\n * @example $.jGraduate.Paint({linearGradient: o, a: 50}) // creates a linear gradient paint with opacity=0.5\n * @example $.jGraduate.Paint({radialGradient: o, a: 7}) // creates a radial gradient paint with opacity=0.07\n * @example $.jGraduate.Paint({hex: '#rrggbb', linearGradient: o}) // throws an exception?\n *\n*/\n\n/**\n  * The jQuery namespace.\n  * @external jQuery\n*/\n/**\n * The jQuery plugin namespace.\n * @namespace {PlainObject} fn\n * @memberof external:jQuery\n * @see {@link http://learn.jquery.com/plugins/|jQuery Plugins}\n */\n\nconst ns = {\n  svg: 'http://www.w3.org/2000/svg',\n  xlink: 'http://www.w3.org/1999/xlink'\n};\n\nif (!window.console) {\n  window.console = {\n    log (str) {},\n    dir (str) {}\n  };\n}\n\n/**\n* Adds {@link external:jQuery.jGraduate.Paint}, {@link external:jQuery.fn.jGraduateDefaults}, {@link external:jQuery.fn.jGraduate}\n* @function module:jGraduate.jGraduate\n* @param {external:jQuery} $ The jQuery instance to wrap\n* @returns {external:jQuery}\n*/\nexport default function ($) {\n  if (!$.loadingStylesheets) {\n    $.loadingStylesheets = [];\n  }\n  const stylesheet = 'jgraduate/css/jGraduate.css';\n  if (!$.loadingStylesheets.includes(stylesheet)) {\n    $.loadingStylesheets.push(stylesheet);\n  }\n\n  /**\n  * @typedef {PlainObject} module:jGraduate.jGraduatePaintOptions\n  * @param {Float} [alpha]\n  * @param {module:jGraduate~Paint} [copy] Copy paint object\n  * @param {SVGLinearGradientElement} [linearGradient]\n  * @param {SVGRadialGradientElement} [radialGradient]\n  * @param {string} [solidColor]\n  */\n\n  /**\n  * @memberof module:jGraduate~\n  */\n  class Paint {\n    /**\n     * @param {module:jGraduate.jGraduatePaintOptions} [opt]\n    */\n    constructor (opt) {\n      const options = opt || {};\n      this.alpha = isNaN(options.alpha) ? 100 : options.alpha;\n      // copy paint object\n      if (options.copy) {\n        /**\n         * @name module:jGraduate~Paint#type\n         * @type {\"none\"|\"solidColor\"|\"linearGradient\"|\"radialGradient\"}\n         */\n        this.type = options.copy.type;\n        /**\n         * Represents opacity (0-100)\n         * @name module:jGraduate~Paint#alpha\n         * @type {Float}\n         */\n        this.alpha = options.copy.alpha;\n        /**\n         * Represents #RRGGBB hex of color\n         * @name module:jGraduate~Paint#solidColor\n         * @type {string}\n         */\n        this.solidColor = null;\n        /**\n         * @name module:jGraduate~Paint#linearGradient\n         * @type {SVGLinearGradientElement}\n         */\n        this.linearGradient = null;\n        /**\n         * @name module:jGraduate~Paint#radialGradient\n         * @type {SVGRadialGradientElement}\n         */\n        this.radialGradient = null;\n\n        switch (this.type) {\n        case 'none':\n          break;\n        case 'solidColor':\n          this.solidColor = options.copy.solidColor;\n          break;\n        case 'linearGradient':\n          this.linearGradient = options.copy.linearGradient.cloneNode(true);\n          break;\n        case 'radialGradient':\n          this.radialGradient = options.copy.radialGradient.cloneNode(true);\n          break;\n        }\n      // create linear gradient paint\n      } else if (options.linearGradient) {\n        this.type = 'linearGradient';\n        this.solidColor = null;\n        this.radialGradient = null;\n        this.linearGradient = options.linearGradient.cloneNode(true);\n      // create linear gradient paint\n      } else if (options.radialGradient) {\n        this.type = 'radialGradient';\n        this.solidColor = null;\n        this.linearGradient = null;\n        this.radialGradient = options.radialGradient.cloneNode(true);\n      // create solid color paint\n      } else if (options.solidColor) {\n        this.type = 'solidColor';\n        this.solidColor = options.solidColor;\n      // create empty paint\n      } else {\n        this.type = 'none';\n        this.solidColor = null;\n        this.linearGradient = null;\n        this.radialGradient = null;\n      }\n    }\n  }\n  /**\n  * @namespace {PlainObject} jGraduate\n  * @memberof external:jQuery\n  */\n  $.jGraduate = /** @lends external:jQuery.jGraduate */ {\n    /**\n    * @class external:jQuery.jGraduate.Paint\n    * @see module:jGraduate~Paint\n    */\n    Paint\n  };\n\n  // JSDoc doesn't show this as belonging to our `module:jGraduate.Options` type,\n  //   so we use `@see`\n  /**\n  * @namespace {module:jGraduate.Options} jGraduateDefaults\n  * @memberof external:jQuery.fn\n  */\n  $.fn.jGraduateDefaults = /** @lends external:jQuery.fn.jGraduateDefaults */ {\n    /**\n    * Creates an object with a 'none' color\n    * @type {external:jQuery.jGraduate.Paint}\n    * @see module:jGraduate.Options\n    */\n    paint: new $.jGraduate.Paint(),\n    /**\n    * @namespace\n    */\n    window: {\n      /**\n      * @type {string}\n      * @see module:jGraduate.Options\n      */\n      pickerTitle: 'Drag markers to pick a paint'\n    },\n    /**\n    * @namespace\n    */\n    images: {\n      /**\n      * @type {string}\n      * @see module:jGraduate.Options\n      */\n      clientPath: 'images/'\n    },\n    /**\n    * @type {string}\n    * @see module:jGraduate.Options\n    */\n    newstop: 'inverse' // same, inverse, black, white\n  };\n\n  const isGecko = navigator.userAgent.includes('Gecko/');\n\n  function setAttrs (elem, attrs) {\n    if (isGecko) {\n      for (const aname in attrs) elem.setAttribute(aname, attrs[aname]);\n    } else {\n      for (const aname in attrs) {\n        const val = attrs[aname], prop = elem[aname];\n        if (prop && prop.constructor === 'SVGLength') {\n          prop.baseVal.value = val;\n        } else {\n          elem.setAttribute(aname, val);\n        }\n      }\n    }\n  }\n\n  function mkElem (name, attrs, newparent) {\n    const elem = document.createElementNS(ns.svg, name);\n    setAttrs(elem, attrs);\n    if (newparent) {\n      newparent.append(elem);\n    }\n    return elem;\n  }\n\n  /**\n  * @typedef {PlainObject} module:jGraduate.ColorOpac Object may have one or both values\n  * @property {string} [color] #Hex color\n  * @property {Float} [opac] 0-1\n  */\n  /**\n  * @typedef {PlainObject} module:jGraduate.Options\n  * @property {module:jGraduate~Paint} [paint] A Paint object object describing the paint to display initially; defaults to a new instance without options (defaults to opaque white)\n  * @property {external:Window} [window]\n  * @property {string} [window.pickerTitle='Drag markers to pick a paint']\n  * @property {PlainObject} [images]\n  * @property {string} [images.clientPath='images/']\n  * @property {\"same\"|\"inverse\"|\"black\"|\"white\"|module:jGraduate.ColorOpac} [newstop=\"inverse\"]\n  */\n\n  /**\n  * @callback external:jQuery.fn.jGraduate.OkCallback\n  * @param {external:jQuery.jGraduate.Paint} paint\n  * @returns {undefined}\n  */\n  /**\n  * @callback external:jQuery.fn.jGraduate.CancelCallback\n  * @returns {undefined}\n  */\n\n  /**\n  * @function external:jQuery.fn.jGraduate\n  * @param {module:jGraduate.Options} [options]\n  * @param {external:jQuery.fn.jGraduate.OkCallback} [okCallback] Called with a Paint object when Ok is pressed\n  * @param {external:jQuery.fn.jGraduate.CancelCallback} [cancelCallback] Called with no arguments when Cancel is pressed\n  * @returns {external:jQuery}\n  */\n  $.fn.jGraduate = function (options, okCallback, cancelCallback) {\n    return this.each(function () {\n      const $this = $(this),\n        $settings = $.extend(true, {}, $.fn.jGraduateDefaults, options || {}),\n        id = $this.attr('id'),\n        idref = '#' + $this.attr('id') + ' ';\n\n      if (!idref) {\n        alert('Container element must have an id attribute to maintain unique id strings for sub-elements.');\n        return;\n      }\n\n      const okClicked = function () {\n        switch ($this.paint.type) {\n        case 'radialGradient':\n          $this.paint.linearGradient = null;\n          break;\n        case 'linearGradient':\n          $this.paint.radialGradient = null;\n          break;\n        case 'solidColor':\n          $this.paint.radialGradient = $this.paint.linearGradient = null;\n          break;\n        }\n        typeof $this.okCallback === 'function' && $this.okCallback($this.paint);\n        $this.hide();\n      };\n      const cancelClicked = function () {\n        typeof $this.cancelCallback === 'function' && $this.cancelCallback();\n        $this.hide();\n      };\n\n      $.extend(true, $this, { // public properties, methods, and callbacks\n        // make a copy of the incoming paint\n        paint: new $.jGraduate.Paint({copy: $settings.paint}),\n        okCallback: typeof okCallback === 'function' ? okCallback : null,\n        cancelCallback: typeof cancelCallback === 'function' ? cancelCallback : null\n      });\n\n      let // pos = $this.position(),\n        color = null;\n      const $win = $(window);\n\n      if ($this.paint.type === 'none') {\n        $this.paint = new $.jGraduate.Paint({solidColor: 'ffffff'});\n      }\n\n      $this.addClass('jGraduate_Picker');\n      $this.html(\n        '<ul class=\"jGraduate_tabs\">' +\n          '<li class=\"jGraduate_tab_color jGraduate_tab_current\" data-type=\"col\">Solid Color</li>' +\n          '<li class=\"jGraduate_tab_lingrad\" data-type=\"lg\">Linear Gradient</li>' +\n          '<li class=\"jGraduate_tab_radgrad\" data-type=\"rg\">Radial Gradient</li>' +\n        '</ul>' +\n        '<div class=\"jGraduate_colPick\"></div>' +\n        '<div class=\"jGraduate_gradPick\"></div>' +\n        '<div class=\"jGraduate_LightBox\"></div>' +\n        '<div id=\"' + id + '_jGraduate_stopPicker\" class=\"jGraduate_stopPicker\"></div>'\n      );\n      const colPicker = $(idref + '> .jGraduate_colPick');\n      const gradPicker = $(idref + '> .jGraduate_gradPick');\n\n      gradPicker.html(\n        '<div id=\"' + id + '_jGraduate_Swatch\" class=\"jGraduate_Swatch\">' +\n          '<h2 class=\"jGraduate_Title\">' + $settings.window.pickerTitle + '</h2>' +\n          '<div id=\"' + id + '_jGraduate_GradContainer\" class=\"jGraduate_GradContainer\"></div>' +\n          '<div id=\"' + id + '_jGraduate_StopSlider\" class=\"jGraduate_StopSlider\"></div>' +\n        '</div>' +\n        '<div class=\"jGraduate_Form jGraduate_Points jGraduate_lg_field\">' +\n          '<div class=\"jGraduate_StopSection\">' +\n            '<label class=\"jGraduate_Form_Heading\">Begin Point</label>' +\n            '<div class=\"jGraduate_Form_Section\">' +\n              '<label>x:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_x1\" size=\"3\" title=\"Enter starting x value between 0.0 and 1.0\"/>' +\n              '<label>y:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_y1\" size=\"3\" title=\"Enter starting y value between 0.0 and 1.0\"/>' +\n            '</div>' +\n          '</div>' +\n          '<div class=\"jGraduate_StopSection\">' +\n            '<label class=\"jGraduate_Form_Heading\">End Point</label>' +\n            '<div class=\"jGraduate_Form_Section\">' +\n              '<label>x:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_x2\" size=\"3\" title=\"Enter ending x value between 0.0 and 1.0\"/>' +\n              '<label>y:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_y2\" size=\"3\" title=\"Enter ending y value between 0.0 and 1.0\"/>' +\n            '</div>' +\n          '</div>' +\n        '</div>' +\n        '<div class=\"jGraduate_Form jGraduate_Points jGraduate_rg_field\">' +\n          '<div class=\"jGraduate_StopSection\">' +\n            '<label class=\"jGraduate_Form_Heading\">Center Point</label>' +\n            '<div class=\"jGraduate_Form_Section\">' +\n              '<label>x:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_cx\" size=\"3\" title=\"Enter x value between 0.0 and 1.0\"/>' +\n              '<label>y:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_cy\" size=\"3\" title=\"Enter y value between 0.0 and 1.0\"/>' +\n            '</div>' +\n          '</div>' +\n          '<div class=\"jGraduate_StopSection\">' +\n            '<label class=\"jGraduate_Form_Heading\">Focal Point</label>' +\n            '<div class=\"jGraduate_Form_Section\">' +\n              '<label>Match center: <input type=\"checkbox\" checked=\"checked\" id=\"' + id + '_jGraduate_match_ctr\"/></label><br/>' +\n              '<label>x:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_fx\" size=\"3\" title=\"Enter x value between 0.0 and 1.0\"/>' +\n              '<label>y:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_fy\" size=\"3\" title=\"Enter y value between 0.0 and 1.0\"/>' +\n            '</div>' +\n          '</div>' +\n        '</div>' +\n        '<div class=\"jGraduate_StopSection jGraduate_SpreadMethod\">' +\n          '<label class=\"jGraduate_Form_Heading\">Spread method</label>' +\n          '<div class=\"jGraduate_Form_Section\">' +\n            '<select class=\"jGraduate_spreadMethod\">' +\n              '<option value=pad selected>Pad</option>' +\n              '<option value=reflect>Reflect</option>' +\n              '<option value=repeat>Repeat</option>' +\n            '</select>' +\n          '</div>' +\n        '</div>' +\n        '<div class=\"jGraduate_Form\">' +\n          '<div class=\"jGraduate_Slider jGraduate_RadiusField jGraduate_rg_field\">' +\n            '<label class=\"prelabel\">Radius:</label>' +\n            '<div id=\"' + id + '_jGraduate_Radius\" class=\"jGraduate_SliderBar jGraduate_Radius\" title=\"Click to set radius\">' +\n              '<img id=\"' + id + '_jGraduate_RadiusArrows\" class=\"jGraduate_RadiusArrows\" src=\"' + $settings.images.clientPath + 'rangearrows2.gif\">' +\n            '</div>' +\n            '<label><input type=\"text\" id=\"' + id + '_jGraduate_RadiusInput\" size=\"3\" value=\"100\"/>%</label>' +\n          '</div>' +\n          '<div class=\"jGraduate_Slider jGraduate_EllipField jGraduate_rg_field\">' +\n            '<label class=\"prelabel\">Ellip:</label>' +\n            '<div id=\"' + id + '_jGraduate_Ellip\" class=\"jGraduate_SliderBar jGraduate_Ellip\" title=\"Click to set Ellip\">' +\n              '<img id=\"' + id + '_jGraduate_EllipArrows\" class=\"jGraduate_EllipArrows\" src=\"' + $settings.images.clientPath + 'rangearrows2.gif\">' +\n            '</div>' +\n            '<label><input type=\"text\" id=\"' + id + '_jGraduate_EllipInput\" size=\"3\" value=\"0\"/>%</label>' +\n          '</div>' +\n          '<div class=\"jGraduate_Slider jGraduate_AngleField jGraduate_rg_field\">' +\n            '<label class=\"prelabel\">Angle:</label>' +\n            '<div id=\"' + id + '_jGraduate_Angle\" class=\"jGraduate_SliderBar jGraduate_Angle\" title=\"Click to set Angle\">' +\n              '<img id=\"' + id + '_jGraduate_AngleArrows\" class=\"jGraduate_AngleArrows\" src=\"' + $settings.images.clientPath + 'rangearrows2.gif\">' +\n            '</div>' +\n            '<label><input type=\"text\" id=\"' + id + '_jGraduate_AngleInput\" size=\"3\" value=\"0\"/>deg</label>' +\n          '</div>' +\n          '<div class=\"jGraduate_Slider jGraduate_OpacField\">' +\n            '<label class=\"prelabel\">Opac:</label>' +\n            '<div id=\"' + id + '_jGraduate_Opac\" class=\"jGraduate_SliderBar jGraduate_Opac\" title=\"Click to set Opac\">' +\n              '<img id=\"' + id + '_jGraduate_OpacArrows\" class=\"jGraduate_OpacArrows\" src=\"' + $settings.images.clientPath + 'rangearrows2.gif\">' +\n            '</div>' +\n            '<label><input type=\"text\" id=\"' + id + '_jGraduate_OpacInput\" size=\"3\" value=\"100\"/>%</label>' +\n          '</div>' +\n        '</div>' +\n        '<div class=\"jGraduate_OkCancel\">' +\n          '<input type=\"button\" id=\"' + id + '_jGraduate_Ok\" class=\"jGraduate_Ok\" value=\"OK\"/>' +\n          '<input type=\"button\" id=\"' + id + '_jGraduate_Cancel\" class=\"jGraduate_Cancel\" value=\"Cancel\"/>' +\n        '</div>');\n\n      // --------------\n      // Set up all the SVG elements (the gradient, stops and rectangle)\n      const MAX = 256,\n        MARGINX = 0,\n        MARGINY = 0,\n        // STOP_RADIUS = 15 / 2,\n        SIZEX = MAX - 2 * MARGINX,\n        SIZEY = MAX - 2 * MARGINY;\n\n      const attrInput = {};\n\n      const SLIDERW = 145;\n      $('.jGraduate_SliderBar').width(SLIDERW);\n\n      const container = $('#' + id + '_jGraduate_GradContainer')[0];\n\n      const svg = mkElem('svg', {\n        id: id + '_jgraduate_svg',\n        width: MAX,\n        height: MAX,\n        xmlns: ns.svg\n      }, container);\n\n      // This wasn't working as designed\n      // let curType;\n      // curType = curType || $this.paint.type;\n\n      // if we are sent a gradient, import it\n      let curType = $this.paint.type;\n\n      let grad = $this.paint[curType];\n      let curGradient = grad;\n\n      const gradalpha = $this.paint.alpha;\n\n      const isSolid = curType === 'solidColor';\n\n      // Make any missing gradients\n      switch (curType) {\n      case 'solidColor':\n        // fall through\n      case 'linearGradient':\n        if (!isSolid) {\n          curGradient.id = id + '_lg_jgraduate_grad';\n          grad = curGradient = svg.appendChild(curGradient); // .cloneNode(true));\n        }\n        mkElem('radialGradient', {\n          id: id + '_rg_jgraduate_grad'\n        }, svg);\n        if (curType === 'linearGradient') { break; }\n        // fall through\n      case 'radialGradient':\n        if (!isSolid) {\n          curGradient.id = id + '_rg_jgraduate_grad';\n          grad = curGradient = svg.appendChild(curGradient); // .cloneNode(true));\n        }\n        mkElem('linearGradient', {\n          id: id + '_lg_jgraduate_grad'\n        }, svg);\n      }\n\n      let stopGroup; // eslint-disable-line prefer-const\n      if (isSolid) {\n        grad = curGradient = $('#' + id + '_lg_jgraduate_grad')[0];\n        color = $this.paint[curType];\n        mkStop(0, '#' + color, 1);\n\n        const type = typeof $settings.newstop;\n\n        if (type === 'string') {\n          switch ($settings.newstop) {\n          case 'same':\n            mkStop(1, '#' + color, 1);\n            break;\n\n          case 'inverse':\n            // Invert current color for second stop\n            let inverted = '';\n            for (let i = 0; i < 6; i += 2) {\n              // const ch = color.substr(i, 2);\n              let inv = (255 - parseInt(color.substr(i, 2), 16)).toString(16);\n              if (inv.length < 2) inv = 0 + inv;\n              inverted += inv;\n            }\n            mkStop(1, '#' + inverted, 1);\n            break;\n\n          case 'white':\n            mkStop(1, '#ffffff', 1);\n            break;\n\n          case 'black':\n            mkStop(1, '#000000', 1);\n            break;\n          }\n        } else if (type === 'object') {\n          const opac = ('opac' in $settings.newstop) ? $settings.newstop.opac : 1;\n          mkStop(1, ($settings.newstop.color || '#' + color), opac);\n        }\n      }\n\n      const x1 = parseFloat(grad.getAttribute('x1') || 0.0),\n        y1 = parseFloat(grad.getAttribute('y1') || 0.0),\n        x2 = parseFloat(grad.getAttribute('x2') || 1.0),\n        y2 = parseFloat(grad.getAttribute('y2') || 0.0);\n\n      const cx = parseFloat(grad.getAttribute('cx') || 0.5),\n        cy = parseFloat(grad.getAttribute('cy') || 0.5),\n        fx = parseFloat(grad.getAttribute('fx') || cx),\n        fy = parseFloat(grad.getAttribute('fy') || cy);\n\n      const previewRect = mkElem('rect', {\n        id: id + '_jgraduate_rect',\n        x: MARGINX,\n        y: MARGINY,\n        width: SIZEX,\n        height: SIZEY,\n        fill: 'url(#' + id + '_jgraduate_grad)',\n        'fill-opacity': gradalpha / 100\n      }, svg);\n\n      // stop visuals created here\n      const beginCoord = $('<div/>').attr({\n        class: 'grad_coord jGraduate_lg_field',\n        title: 'Begin Stop'\n      }).text(1).css({\n        top: y1 * MAX,\n        left: x1 * MAX\n      }).data('coord', 'start').appendTo(container);\n\n      const endCoord = beginCoord.clone().text(2).css({\n        top: y2 * MAX,\n        left: x2 * MAX\n      }).attr('title', 'End stop').data('coord', 'end').appendTo(container);\n\n      const centerCoord = $('<div/>').attr({\n        class: 'grad_coord jGraduate_rg_field',\n        title: 'Center stop'\n      }).text('C').css({\n        top: cy * MAX,\n        left: cx * MAX\n      }).data('coord', 'center').appendTo(container);\n\n      const focusCoord = centerCoord.clone().text('F').css({\n        top: fy * MAX,\n        left: fx * MAX,\n        display: 'none'\n      }).attr('title', 'Focus point').data('coord', 'focus').appendTo(container);\n\n      focusCoord[0].id = id + '_jGraduate_focusCoord';\n\n      // const coords = $(idref + ' .grad_coord');\n\n      // $(container).hover(function () {\n      //   coords.animate({\n      //     opacity: 1\n      //   }, 500);\n      // }, function () {\n      //   coords.animate({\n      //     opacity: .2\n      //   }, 500);\n      // });\n\n      let showFocus;\n      $.each(['x1', 'y1', 'x2', 'y2', 'cx', 'cy', 'fx', 'fy'], function (i, attr) {\n        const isRadial = isNaN(attr[1]);\n\n        let attrval = curGradient.getAttribute(attr);\n        if (!attrval) {\n          // Set defaults\n          if (isRadial) {\n            // For radial points\n            attrval = '0.5';\n          } else {\n            // Only x2 is 1\n            attrval = attr === 'x2' ? '1.0' : '0.0';\n          }\n        }\n\n        attrInput[attr] = $('#' + id + '_jGraduate_' + attr)\n          .val(attrval)\n          .change(function () {\n            // TODO: Support values < 0 and > 1 (zoomable preview?)\n            if (isNaN(parseFloat(this.value)) || this.value < 0) {\n              this.value = 0.0;\n            } else if (this.value > 1) {\n              this.value = 1.0;\n            }\n\n            if (!(attr[0] === 'f' && !showFocus)) {\n              if ((isRadial && curType === 'radialGradient') || (!isRadial && curType === 'linearGradient')) {\n                curGradient.setAttribute(attr, this.value);\n              }\n            }\n\n            const $elem = isRadial\n              ? attr[0] === 'c' ? centerCoord : focusCoord\n              : attr[1] === '1' ? beginCoord : endCoord;\n\n            const cssName = attr.includes('x') ? 'left' : 'top';\n\n            $elem.css(cssName, this.value * MAX);\n          }).change();\n      });\n\n      function mkStop (n, color, opac, sel, stopElem) {\n        const stop = stopElem || mkElem('stop', {'stop-color': color, 'stop-opacity': opac, offset: n}, curGradient);\n        if (stopElem) {\n          color = stopElem.getAttribute('stop-color');\n          opac = stopElem.getAttribute('stop-opacity');\n          n = stopElem.getAttribute('offset');\n        } else {\n          curGradient.append(stop);\n        }\n        if (opac === null) opac = 1;\n\n        const pickerD = 'M-6.2,0.9c3.6-4,6.7-4.3,6.7-12.4c-0.2,7.9,3.1,8.8,6.5,12.4c3.5,3.8,2.9,9.6,0,12.3c-3.1,2.8-10.4,2.7-13.2,0C-9.6,9.9-9.4,4.4-6.2,0.9z';\n\n        const pathbg = mkElem('path', {\n          d: pickerD,\n          fill: 'url(#jGraduate_trans)',\n          transform: 'translate(' + (10 + n * MAX) + ', 26)'\n        }, stopGroup);\n\n        const path = mkElem('path', {\n          d: pickerD,\n          fill: color,\n          'fill-opacity': opac,\n          transform: 'translate(' + (10 + n * MAX) + ', 26)',\n          stroke: '#000',\n          'stroke-width': 1.5\n        }, stopGroup);\n\n        $(path).mousedown(function (e) {\n          selectStop(this);\n          drag = curStop;\n          $win.mousemove(dragColor).mouseup(remDrags);\n          stopOffset = stopMakerDiv.offset();\n          e.preventDefault();\n          return false;\n        }).data('stop', stop).data('bg', pathbg).dblclick(function () {\n          $('div.jGraduate_LightBox').show();\n          const colorhandle = this;\n          let stopOpacity = +stop.getAttribute('stop-opacity') || 1;\n          let stopColor = stop.getAttribute('stop-color') || 1;\n          let thisAlpha = (parseFloat(stopOpacity) * 255).toString(16);\n          while (thisAlpha.length < 2) { thisAlpha = '0' + thisAlpha; }\n          color = stopColor.substr(1) + thisAlpha;\n          $('#' + id + '_jGraduate_stopPicker').css({left: 100, bottom: 15}).jPicker({\n            window: {title: 'Pick the start color and opacity for the gradient'},\n            images: {clientPath: $settings.images.clientPath},\n            color: {active: color, alphaSupport: true}\n          }, function (color, arg2) {\n            stopColor = color.val('hex') ? ('#' + color.val('hex')) : 'none';\n            stopOpacity = color.val('a') !== null ? color.val('a') / 256 : 1;\n            colorhandle.setAttribute('fill', stopColor);\n            colorhandle.setAttribute('fill-opacity', stopOpacity);\n            stop.setAttribute('stop-color', stopColor);\n            stop.setAttribute('stop-opacity', stopOpacity);\n            $('div.jGraduate_LightBox').hide();\n            $('#' + id + '_jGraduate_stopPicker').hide();\n          }, null, function () {\n            $('div.jGraduate_LightBox').hide();\n            $('#' + id + '_jGraduate_stopPicker').hide();\n          });\n        });\n\n        $(curGradient).find('stop').each(function () {\n          const curS = $(this);\n          if (+this.getAttribute('offset') > n) {\n            if (!color) {\n              const newcolor = this.getAttribute('stop-color');\n              const newopac = this.getAttribute('stop-opacity');\n              stop.setAttribute('stop-color', newcolor);\n              path.setAttribute('fill', newcolor);\n              stop.setAttribute('stop-opacity', newopac === null ? 1 : newopac);\n              path.setAttribute('fill-opacity', newopac === null ? 1 : newopac);\n            }\n            curS.before(stop);\n            return false;\n          }\n        });\n        if (sel) selectStop(path);\n        return stop;\n      }\n\n      function remStop () {\n        delStop.setAttribute('display', 'none');\n        const path = $(curStop);\n        const stop = path.data('stop');\n        const bg = path.data('bg');\n        $([curStop, stop, bg]).remove();\n      }\n\n      const stopMakerDiv = $('#' + id + '_jGraduate_StopSlider');\n\n      let stops, curStop, drag;\n\n      const delStop = mkElem('path', {\n        d: 'm9.75,-6l-19.5,19.5m0,-19.5l19.5,19.5',\n        fill: 'none',\n        stroke: '#D00',\n        'stroke-width': 5,\n        display: 'none'\n      }, undefined); // stopMakerSVG);\n\n      function selectStop (item) {\n        if (curStop) curStop.setAttribute('stroke', '#000');\n        item.setAttribute('stroke', 'blue');\n        curStop = item;\n        curStop.parentNode.append(curStop);\n        //   stops = $('stop');\n        //   opac_select.val(curStop.attr('fill-opacity') || 1);\n        //   root.append(delStop);\n      }\n\n      let stopOffset;\n\n      function remDrags () {\n        $win.unbind('mousemove', dragColor);\n        if (delStop.getAttribute('display') !== 'none') {\n          remStop();\n        }\n        drag = null;\n      }\n\n      let scaleX = 1, scaleY = 1, angle = 0;\n\n      let cX = cx;\n      let cY = cy;\n      function xform () {\n        const rot = angle ? 'rotate(' + angle + ',' + cX + ',' + cY + ') ' : '';\n        if (scaleX === 1 && scaleY === 1) {\n          curGradient.removeAttribute('gradientTransform');\n          // $('#ang').addClass('dis');\n        } else {\n          const x = -cX * (scaleX - 1);\n          const y = -cY * (scaleY - 1);\n          curGradient.setAttribute('gradientTransform', rot + 'translate(' + x + ',' + y + ') scale(' + scaleX + ',' + scaleY + ')');\n          // $('#ang').removeClass('dis');\n        }\n      }\n\n      function dragColor (evt) {\n        let x = evt.pageX - stopOffset.left;\n        const y = evt.pageY - stopOffset.top;\n        x = x < 10\n          ? 10\n          : x > MAX + 10\n            ? MAX + 10\n            : x;\n\n        const xfStr = 'translate(' + x + ', 26)';\n        if (y < -60 || y > 130) {\n          delStop.setAttribute('display', 'block');\n          delStop.setAttribute('transform', xfStr);\n        } else {\n          delStop.setAttribute('display', 'none');\n        }\n\n        drag.setAttribute('transform', xfStr);\n        $.data(drag, 'bg').setAttribute('transform', xfStr);\n        const stop = $.data(drag, 'stop');\n        const sX = (x - 10) / MAX;\n\n        stop.setAttribute('offset', sX);\n\n        let last = 0;\n        $(curGradient).find('stop').each(function (i) {\n          const cur = this.getAttribute('offset');\n          const t = $(this);\n          if (cur < last) {\n            t.prev().before(t);\n            stops = $(curGradient).find('stop');\n          }\n          last = cur;\n        });\n      }\n\n      const stopMakerSVG = mkElem('svg', {\n        width: '100%',\n        height: 45\n      }, stopMakerDiv[0]);\n\n      const transPattern = mkElem('pattern', {\n        width: 16,\n        height: 16,\n        patternUnits: 'userSpaceOnUse',\n        id: 'jGraduate_trans'\n      }, stopMakerSVG);\n\n      const transImg = mkElem('image', {\n        width: 16,\n        height: 16\n      }, transPattern);\n\n      const bgImage = $settings.images.clientPath + 'map-opacity.png';\n\n      transImg.setAttributeNS(ns.xlink, 'xlink:href', bgImage);\n\n      $(stopMakerSVG).click(function (evt) {\n        stopOffset = stopMakerDiv.offset();\n        const {target} = evt;\n        if (target.tagName === 'path') return;\n        let x = evt.pageX - stopOffset.left - 8;\n        x = x < 10 ? 10 : x > MAX + 10 ? MAX + 10 : x;\n        mkStop(x / MAX, 0, 0, true);\n        evt.stopPropagation();\n      });\n\n      $(stopMakerSVG).mouseover(function () {\n        stopMakerSVG.append(delStop);\n      });\n\n      stopGroup = mkElem('g', {}, stopMakerSVG);\n\n      mkElem('line', {\n        x1: 10,\n        y1: 15,\n        x2: MAX + 10,\n        y2: 15,\n        'stroke-width': 2,\n        stroke: '#000'\n      }, stopMakerSVG);\n\n      const spreadMethodOpt = gradPicker.find('.jGraduate_spreadMethod').change(function () {\n        curGradient.setAttribute('spreadMethod', $(this).val());\n      });\n\n      // handle dragging the stop around the swatch\n      let draggingCoord = null;\n\n      const onCoordDrag = function (evt) {\n        let x = evt.pageX - offset.left;\n        let y = evt.pageY - offset.top;\n\n        // clamp stop to the swatch\n        x = x < 0 ? 0 : x > MAX ? MAX : x;\n        y = y < 0 ? 0 : y > MAX ? MAX : y;\n\n        draggingCoord.css('left', x).css('top', y);\n\n        // calculate stop offset\n        const fracx = x / SIZEX;\n        const fracy = y / SIZEY;\n\n        const type = draggingCoord.data('coord');\n        const grad = curGradient;\n\n        switch (type) {\n        case 'start':\n          attrInput.x1.val(fracx);\n          attrInput.y1.val(fracy);\n          grad.setAttribute('x1', fracx);\n          grad.setAttribute('y1', fracy);\n          break;\n        case 'end':\n          attrInput.x2.val(fracx);\n          attrInput.y2.val(fracy);\n          grad.setAttribute('x2', fracx);\n          grad.setAttribute('y2', fracy);\n          break;\n        case 'center':\n          attrInput.cx.val(fracx);\n          attrInput.cy.val(fracy);\n          grad.setAttribute('cx', fracx);\n          grad.setAttribute('cy', fracy);\n          cX = fracx;\n          cY = fracy;\n          xform();\n          break;\n        case 'focus':\n          attrInput.fx.val(fracx);\n          attrInput.fy.val(fracy);\n          grad.setAttribute('fx', fracx);\n          grad.setAttribute('fy', fracy);\n          xform();\n        }\n\n        evt.preventDefault();\n      };\n\n      const onCoordUp = function () {\n        draggingCoord = null;\n        $win.unbind('mousemove', onCoordDrag).unbind('mouseup', onCoordUp);\n      };\n\n      // Linear gradient\n      // (function () {\n\n      stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');\n\n      let numstops = stops.length;\n      // if there are not at least two stops, then\n      if (numstops < 2) {\n        while (numstops < 2) {\n          curGradient.append(document.createElementNS(ns.svg, 'stop'));\n          ++numstops;\n        }\n        stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');\n      }\n\n      for (let i = 0; i < numstops; i++) {\n        mkStop(0, 0, 0, 0, stops[i]);\n      }\n\n      spreadMethodOpt.val(curGradient.getAttribute('spreadMethod') || 'pad');\n\n      let offset;\n\n      // No match, so show focus point\n      showFocus = false;\n\n      previewRect.setAttribute('fill-opacity', gradalpha / 100);\n\n      $('#' + id + ' div.grad_coord').mousedown(function (evt) {\n        evt.preventDefault();\n        draggingCoord = $(this);\n        // const sPos = draggingCoord.offset();\n        offset = draggingCoord.parent().offset();\n        $win.mousemove(onCoordDrag).mouseup(onCoordUp);\n      });\n\n      // bind GUI elements\n      $('#' + id + '_jGraduate_Ok').bind('click', function () {\n        $this.paint.type = curType;\n        $this.paint[curType] = curGradient.cloneNode(true);\n        $this.paint.solidColor = null;\n        okClicked();\n      });\n      $('#' + id + '_jGraduate_Cancel').bind('click', function (paint) {\n        cancelClicked();\n      });\n\n      if (curType === 'radialGradient') {\n        if (showFocus) {\n          focusCoord.show();\n        } else {\n          focusCoord.hide();\n          attrInput.fx.val('');\n          attrInput.fy.val('');\n        }\n      }\n\n      $('#' + id + '_jGraduate_match_ctr')[0].checked = !showFocus;\n\n      let lastfx, lastfy;\n\n      $('#' + id + '_jGraduate_match_ctr').change(function () {\n        showFocus = !this.checked;\n        focusCoord.toggle(showFocus);\n        attrInput.fx.val('');\n        attrInput.fy.val('');\n        const grad = curGradient;\n        if (!showFocus) {\n          lastfx = grad.getAttribute('fx');\n          lastfy = grad.getAttribute('fy');\n          grad.removeAttribute('fx');\n          grad.removeAttribute('fy');\n        } else {\n          const fx = lastfx || 0.5;\n          const fy = lastfy || 0.5;\n          grad.setAttribute('fx', fx);\n          grad.setAttribute('fy', fy);\n          attrInput.fx.val(fx);\n          attrInput.fy.val(fy);\n        }\n      });\n\n      stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');\n      numstops = stops.length;\n      // if there are not at least two stops, then\n      if (numstops < 2) {\n        while (numstops < 2) {\n          curGradient.append(document.createElementNS(ns.svg, 'stop'));\n          ++numstops;\n        }\n        stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');\n      }\n\n      let slider;\n\n      const setSlider = function (e) {\n        const {offset} = slider;\n        const div = slider.parent;\n        let x = (e.pageX - offset.left - parseInt(div.css('border-left-width')));\n        if (x > SLIDERW) x = SLIDERW;\n        if (x <= 0) x = 0;\n        const posx = x - 5;\n        x /= SLIDERW;\n\n        switch (slider.type) {\n        case 'radius':\n          x = Math.pow(x * 2, 2.5);\n          if (x > 0.98 && x < 1.02) x = 1;\n          if (x <= 0.01) x = 0.01;\n          curGradient.setAttribute('r', x);\n          break;\n        case 'opacity':\n          $this.paint.alpha = parseInt(x * 100);\n          previewRect.setAttribute('fill-opacity', x);\n          break;\n        case 'ellip':\n          scaleX = 1;\n          scaleY = 1;\n          if (x < 0.5) {\n            x /= 0.5; // 0.001\n            scaleX = x <= 0 ? 0.01 : x;\n          } else if (x > 0.5) {\n            x /= 0.5; // 2\n            x = 2 - x;\n            scaleY = x <= 0 ? 0.01 : x;\n          }\n          xform();\n          x -= 1;\n          if (scaleY === x + 1) {\n            x = Math.abs(x);\n          }\n          break;\n        case 'angle':\n          x = x - 0.5;\n          angle = x *= 180;\n          xform();\n          x /= 100;\n          break;\n        }\n        slider.elem.css({'margin-left': posx});\n        x = Math.round(x * 100);\n        slider.input.val(x);\n      };\n\n      let ellipVal = 0, angleVal = 0;\n\n      if (curType === 'radialGradient') {\n        const tlist = curGradient.gradientTransform.baseVal;\n        if (tlist.numberOfItems === 2) {\n          const t = tlist.getItem(0);\n          const s = tlist.getItem(1);\n          if (t.type === 2 && s.type === 3) {\n            const m = s.matrix;\n            if (m.a !== 1) {\n              ellipVal = Math.round(-(1 - m.a) * 100);\n            } else if (m.d !== 1) {\n              ellipVal = Math.round((1 - m.d) * 100);\n            }\n          }\n        } else if (tlist.numberOfItems === 3) {\n          // Assume [R][T][S]\n          const r = tlist.getItem(0);\n          const t = tlist.getItem(1);\n          const s = tlist.getItem(2);\n\n          if (r.type === 4 &&\n            t.type === 2 &&\n            s.type === 3\n          ) {\n            angleVal = Math.round(r.angle);\n            const m = s.matrix;\n            if (m.a !== 1) {\n              ellipVal = Math.round(-(1 - m.a) * 100);\n            } else if (m.d !== 1) {\n              ellipVal = Math.round((1 - m.d) * 100);\n            }\n          }\n        }\n      }\n\n      const sliders = {\n        radius: {\n          handle: '#' + id + '_jGraduate_RadiusArrows',\n          input: '#' + id + '_jGraduate_RadiusInput',\n          val: (curGradient.getAttribute('r') || 0.5) * 100\n        },\n        opacity: {\n          handle: '#' + id + '_jGraduate_OpacArrows',\n          input: '#' + id + '_jGraduate_OpacInput',\n          val: $this.paint.alpha || 100\n        },\n        ellip: {\n          handle: '#' + id + '_jGraduate_EllipArrows',\n          input: '#' + id + '_jGraduate_EllipInput',\n          val: ellipVal\n        },\n        angle: {\n          handle: '#' + id + '_jGraduate_AngleArrows',\n          input: '#' + id + '_jGraduate_AngleInput',\n          val: angleVal\n        }\n      };\n\n      $.each(sliders, function (type, data) {\n        const handle = $(data.handle);\n        handle.mousedown(function (evt) {\n          const parent = handle.parent();\n          slider = {\n            type,\n            elem: handle,\n            input: $(data.input),\n            parent,\n            offset: parent.offset()\n          };\n          $win.mousemove(dragSlider).mouseup(stopSlider);\n          evt.preventDefault();\n        });\n\n        $(data.input).val(data.val).change(function () {\n          const isRad = curType === 'radialGradient';\n          let val = +this.value;\n          let xpos = 0;\n          switch (type) {\n          case 'radius':\n            if (isRad) curGradient.setAttribute('r', val / 100);\n            xpos = (Math.pow(val / 100, 1 / 2.5) / 2) * SLIDERW;\n            break;\n\n          case 'opacity':\n            $this.paint.alpha = val;\n            previewRect.setAttribute('fill-opacity', val / 100);\n            xpos = val * (SLIDERW / 100);\n            break;\n\n          case 'ellip':\n            scaleX = scaleY = 1;\n            if (val === 0) {\n              xpos = SLIDERW * 0.5;\n              break;\n            }\n            if (val > 99.5) val = 99.5;\n            if (val > 0) {\n              scaleY = 1 - (val / 100);\n            } else {\n              scaleX = -(val / 100) - 1;\n            }\n\n            xpos = SLIDERW * ((val + 100) / 2) / 100;\n            if (isRad) xform();\n            break;\n\n          case 'angle':\n            angle = val;\n            xpos = angle / 180;\n            xpos += 0.5;\n            xpos *= SLIDERW;\n            if (isRad) xform();\n          }\n          if (xpos > SLIDERW) {\n            xpos = SLIDERW;\n          } else if (xpos < 0) {\n            xpos = 0;\n          }\n          handle.css({'margin-left': xpos - 5});\n        }).change();\n      });\n\n      const dragSlider = function (evt) {\n        setSlider(evt);\n        evt.preventDefault();\n      };\n\n      const stopSlider = function (evt) {\n        $win.unbind('mousemove', dragSlider).unbind('mouseup', stopSlider);\n        slider = null;\n      };\n\n      // --------------\n      let thisAlpha = ($this.paint.alpha * 255 / 100).toString(16);\n      while (thisAlpha.length < 2) { thisAlpha = '0' + thisAlpha; }\n      thisAlpha = thisAlpha.split('.')[0];\n      color = $this.paint.solidColor === 'none' ? '' : $this.paint.solidColor + thisAlpha;\n\n      if (!isSolid) {\n        color = stops[0].getAttribute('stop-color');\n      }\n\n      // This should be done somewhere else, probably\n      $.extend($.fn.jPicker.defaults.window, {\n        alphaSupport: true, effects: {type: 'show', speed: 0}\n      });\n\n      colPicker.jPicker(\n        {\n          window: {title: $settings.window.pickerTitle},\n          images: {clientPath: $settings.images.clientPath},\n          color: {active: color, alphaSupport: true}\n        },\n        function (color) {\n          $this.paint.type = 'solidColor';\n          $this.paint.alpha = color.val('ahex') ? Math.round((color.val('a') / 255) * 100) : 100;\n          $this.paint.solidColor = color.val('hex') ? color.val('hex') : 'none';\n          $this.paint.radialGradient = null;\n          okClicked();\n        },\n        null,\n        function () { cancelClicked(); }\n      );\n\n      const tabs = $(idref + ' .jGraduate_tabs li');\n      tabs.click(function () {\n        tabs.removeClass('jGraduate_tab_current');\n        $(this).addClass('jGraduate_tab_current');\n        $(idref + ' > div').hide();\n        const type = $(this).attr('data-type');\n        /* const container = */ $(idref + ' .jGraduate_gradPick').show();\n        if (type === 'rg' || type === 'lg') {\n          // Show/hide appropriate fields\n          $('.jGraduate_' + type + '_field').show();\n          $('.jGraduate_' + (type === 'lg' ? 'rg' : 'lg') + '_field').hide();\n\n          $('#' + id + '_jgraduate_rect')[0].setAttribute('fill', 'url(#' + id + '_' + type + '_jgraduate_grad)');\n\n          // Copy stops\n\n          curType = type === 'lg' ? 'linearGradient' : 'radialGradient';\n\n          $('#' + id + '_jGraduate_OpacInput').val($this.paint.alpha).change();\n\n          const newGrad = $('#' + id + '_' + type + '_jgraduate_grad')[0];\n\n          if (curGradient !== newGrad) {\n            const curStops = $(curGradient).find('stop');\n            $(newGrad).empty().append(curStops);\n            curGradient = newGrad;\n            const sm = spreadMethodOpt.val();\n            curGradient.setAttribute('spreadMethod', sm);\n          }\n          showFocus = type === 'rg' && curGradient.getAttribute('fx') != null && !(cx === fx && cy === fy);\n          $('#' + id + '_jGraduate_focusCoord').toggle(showFocus);\n          if (showFocus) {\n            $('#' + id + '_jGraduate_match_ctr')[0].checked = false;\n          }\n        } else {\n          $(idref + ' .jGraduate_gradPick').hide();\n          $(idref + ' .jGraduate_colPick').show();\n        }\n      });\n      $(idref + ' > div').hide();\n      tabs.removeClass('jGraduate_tab_current');\n      let tab;\n      switch ($this.paint.type) {\n      case 'linearGradient':\n        tab = $(idref + ' .jGraduate_tab_lingrad');\n        break;\n      case 'radialGradient':\n        tab = $(idref + ' .jGraduate_tab_radgrad');\n        break;\n      default:\n        tab = $(idref + ' .jGraduate_tab_color');\n        break;\n      }\n      $this.show();\n\n      // jPicker will try to show after a 0ms timeout, so need to fire this after that\n      setTimeout(() => {\n        tab.addClass('jGraduate_tab_current').click();\n      }, 10);\n    });\n  };\n  return $;\n}\n","/**\n * jPicker (Adapted from version 1.1.6)\n *\n * jQuery Plugin for Photoshop style color picker\n *\n * @module jPicker\n * @copyright (c) 2010 Christopher T. Tillman\n * Digital Magic Productions, Inc. ({@link http://www.digitalmagicpro.com/})\n * FREE to use, alter, copy, sell, and especially ENHANCE\n * @license MIT\n *\n * Painstakingly ported from John Dyers' excellent work on his own color picker based on the Prototype framework.\n *\n * John Dyers' website: {@link http://johndyer.name}\n * Color Picker page: {@link http://johndyer.name/photoshop-like-javascript-color-picker/}\n */\n\n/**\n* @external Math\n*/\n/**\n* @memberof external:Math\n* @param {Float} value\n* @param {Float} precision\n* @returns {Float}\n*/\nfunction toFixedNumeric (value, precision) {\n  if (precision === undefined) precision = 0;\n  return Math.round(value * Math.pow(10, precision)) / Math.pow(10, precision);\n}\n\n/**\n* @function module:jPicker.jPicker\n* @param {external:jQuery} $ The jQuery object to wrap (with {@link external:jQuery.loadingStylesheets}, {@link external:jQuery.fn.$.fn.jPicker}, {@link external:jQuery.fn.$.fn.jPicker.defaults})\n* @returns {external:jQuery}\n*/\nconst jPicker = function ($) {\n  if (!$.loadingStylesheets) {\n    /**\n    * @name loadingStylesheets\n    * @type {string[]}\n    * @memberof external:jQuery\n    */\n    $.loadingStylesheets = [];\n  }\n  const stylesheet = 'jgraduate/css/jPicker.css';\n  if (!$.loadingStylesheets.includes(stylesheet)) {\n    $.loadingStylesheets.push(stylesheet);\n  }\n  /**\n  * @typedef {PlainObject} module:jPicker.SliderOptions\n  * @property {external:jQuery|PlainObject} arrow\n  * @property {string} arrow.image Not in use?\n  * @property {Float} arrow.width\n  * @property {Float} arrow.height\n  * @property {PlainObject} map\n  * @property {Float} map.width\n  * @property {Float} map.height\n  */\n\n  /**\n  * Encapsulate slider functionality for the ColorMap and ColorBar -\n  * could be useful to use a jQuery UI draggable for this with certain extensions\n  * @param {external:jQuery} bar\n  * @param {module:jPicker.SliderOptions} options\n  */\n  function Slider (bar, options) {\n    const $this = this;\n    function fireChangeEvents (context) {\n      for (let i = 0; i < changeEvents.length; i++) {\n        changeEvents[i].call($this, $this, context);\n      }\n    }\n    // bind the mousedown to the bar not the arrow for quick snapping to the clicked location\n    function mouseDown (e) {\n      const off = bar.offset();\n      offset = {l: off.left | 0, t: off.top | 0};\n      clearTimeout(timeout);\n      // using setTimeout for visual updates - once the style is updated the browser will re-render internally allowing the next Javascript to run\n      timeout = setTimeout(function () {\n        setValuesFromMousePosition.call($this, e);\n      }, 0);\n      // Bind mousemove and mouseup event to the document so it responds when dragged of of the bar - we will unbind these when on mouseup to save processing\n      $(document).bind('mousemove', mouseMove).bind('mouseup', mouseUp);\n      e.preventDefault(); // don't try to select anything or drag the image to the desktop\n    }\n    // set the values as the mouse moves\n    function mouseMove (e) {\n      clearTimeout(timeout);\n      timeout = setTimeout(function () {\n        setValuesFromMousePosition.call($this, e);\n      }, 0);\n      e.stopPropagation();\n      e.preventDefault();\n      return false;\n    }\n    // unbind the document events - they aren't needed when not dragging\n    function mouseUp (e) {\n      $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);\n      e.stopPropagation();\n      e.preventDefault();\n      return false;\n    }\n    // calculate mouse position and set value within the current range\n    function setValuesFromMousePosition (e) {\n      const barW = bar.w, // local copies for YUI compressor\n        barH = bar.h;\n      let locX = e.pageX - offset.l,\n        locY = e.pageY - offset.t;\n      // keep the arrow within the bounds of the bar\n      if (locX < 0) locX = 0;\n      else if (locX > barW) locX = barW;\n      if (locY < 0) locY = 0;\n      else if (locY > barH) locY = barH;\n      val.call($this, 'xy', {x: ((locX / barW) * rangeX) + minX, y: ((locY / barH) * rangeY) + minY});\n    }\n    function draw () {\n      const\n        barW = bar.w,\n        barH = bar.h,\n        arrowW = arrow.w,\n        arrowH = arrow.h;\n      let arrowOffsetX = 0,\n        arrowOffsetY = 0;\n      setTimeout(function () {\n        if (rangeX > 0) { // range is greater than zero\n          // constrain to bounds\n          if (x === maxX) arrowOffsetX = barW;\n          else arrowOffsetX = ((x / rangeX) * barW) | 0;\n        }\n        if (rangeY > 0) { // range is greater than zero\n          // constrain to bounds\n          if (y === maxY) arrowOffsetY = barH;\n          else arrowOffsetY = ((y / rangeY) * barH) | 0;\n        }\n        // if arrow width is greater than bar width, center arrow and prevent horizontal dragging\n        if (arrowW >= barW) arrowOffsetX = (barW >> 1) - (arrowW >> 1); // number >> 1 - superfast bitwise divide by two and truncate (move bits over one bit discarding lowest)\n        else arrowOffsetX -= arrowW >> 1;\n        // if arrow height is greater than bar height, center arrow and prevent vertical dragging\n        if (arrowH >= barH) arrowOffsetY = (barH >> 1) - (arrowH >> 1);\n        else arrowOffsetY -= arrowH >> 1;\n        // set the arrow position based on these offsets\n        arrow.css({left: arrowOffsetX + 'px', top: arrowOffsetY + 'px'});\n      }, 0);\n    }\n    function val (name, value, context) {\n      const set = value !== undefined;\n      if (!set) {\n        if (name === undefined || name == null) name = 'xy';\n        switch (name.toLowerCase()) {\n        case 'x': return x;\n        case 'y': return y;\n        case 'xy':\n        default: return {x, y};\n        }\n      }\n      if (context != null && context === $this) return;\n      let changed = false;\n\n      let newX, newY;\n      if (name == null) name = 'xy';\n      switch (name.toLowerCase()) {\n      case 'x':\n        newX = (value && ((value.x && value.x | 0) || value | 0)) || 0;\n        break;\n      case 'y':\n        newY = (value && ((value.y && value.y | 0) || value | 0)) || 0;\n        break;\n      case 'xy':\n      default:\n        newX = (value && value.x && value.x | 0) || 0;\n        newY = (value && value.y && value.y | 0) || 0;\n        break;\n      }\n      if (newX != null) {\n        if (newX < minX) newX = minX;\n        else if (newX > maxX) newX = maxX;\n        if (x !== newX) {\n          x = newX;\n          changed = true;\n        }\n      }\n      if (newY != null) {\n        if (newY < minY) newY = minY;\n        else if (newY > maxY) newY = maxY;\n        if (y !== newY) {\n          y = newY;\n          changed = true;\n        }\n      }\n      changed && fireChangeEvents.call($this, context || $this);\n    }\n    function range (name, value) {\n      const set = value !== undefined;\n      if (!set) {\n        if (name === undefined || name == null) name = 'all';\n        switch (name.toLowerCase()) {\n        case 'minx': return minX;\n        case 'maxx': return maxX;\n        case 'rangex': return {minX, maxX, rangeX};\n        case 'miny': return minY;\n        case 'maxy': return maxY;\n        case 'rangey': return {minY, maxY, rangeY};\n        case 'all':\n        default: return {minX, maxX, rangeX, minY, maxY, rangeY};\n        }\n      }\n      let // changed = false,\n        newMinX,\n        newMaxX,\n        newMinY,\n        newMaxY;\n      if (name == null) name = 'all';\n      switch (name.toLowerCase()) {\n      case 'minx':\n        newMinX = (value && ((value.minX && value.minX | 0) || value | 0)) || 0;\n        break;\n      case 'maxx':\n        newMaxX = (value && ((value.maxX && value.maxX | 0) || value | 0)) || 0;\n        break;\n      case 'rangex':\n        newMinX = (value && value.minX && value.minX | 0) || 0;\n        newMaxX = (value && value.maxX && value.maxX | 0) || 0;\n        break;\n      case 'miny':\n        newMinY = (value && ((value.minY && value.minY | 0) || value | 0)) || 0;\n        break;\n      case 'maxy':\n        newMaxY = (value && ((value.maxY && value.maxY | 0) || value | 0)) || 0;\n        break;\n      case 'rangey':\n        newMinY = (value && value.minY && value.minY | 0) || 0;\n        newMaxY = (value && value.maxY && value.maxY | 0) || 0;\n        break;\n      case 'all':\n      default:\n        newMinX = (value && value.minX && value.minX | 0) || 0;\n        newMaxX = (value && value.maxX && value.maxX | 0) || 0;\n        newMinY = (value && value.minY && value.minY | 0) || 0;\n        newMaxY = (value && value.maxY && value.maxY | 0) || 0;\n        break;\n      }\n      if (newMinX != null && minX !== newMinX) {\n        minX = newMinX;\n        rangeX = maxX - minX;\n      }\n      if (newMaxX != null && maxX !== newMaxX) {\n        maxX = newMaxX;\n        rangeX = maxX - minX;\n      }\n      if (newMinY != null && minY !== newMinY) {\n        minY = newMinY;\n        rangeY = maxY - minY;\n      }\n      if (newMaxY != null && maxY !== newMaxY) {\n        maxY = newMaxY;\n        rangeY = maxY - minY;\n      }\n    }\n    function bind (callback) {\n      if (typeof callback === 'function') changeEvents.push(callback);\n    }\n    function unbind (callback) {\n      if (typeof callback !== 'function') return;\n      let i;\n      while ((i = changeEvents.includes(callback))) changeEvents.splice(i, 1);\n    }\n    function destroy () {\n      // unbind all possible events and null objects\n      $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);\n      bar.unbind('mousedown', mouseDown);\n      bar = null;\n      arrow = null;\n      changeEvents = null;\n    }\n    let offset,\n      timeout,\n      x = 0,\n      y = 0,\n      minX = 0,\n      maxX = 100,\n      rangeX = 100,\n      minY = 0,\n      maxY = 100,\n      rangeY = 100,\n      arrow = bar.find('img:first'), // the arrow image to drag\n      changeEvents = [];\n\n    $.extend(true, $this, // public properties, methods, and event bindings - these we need to access from other controls\n      {\n        val,\n        range,\n        bind,\n        unbind,\n        destroy\n      }\n    );\n    // initialize this control\n    arrow.src = options.arrow && options.arrow.image;\n    arrow.w = (options.arrow && options.arrow.width) || arrow.width();\n    arrow.h = (options.arrow && options.arrow.height) || arrow.height();\n    bar.w = (options.map && options.map.width) || bar.width();\n    bar.h = (options.map && options.map.height) || bar.height();\n    // bind mousedown event\n    bar.bind('mousedown', mouseDown);\n    bind.call($this, draw);\n  }\n  // controls for all the input elements for the typing in color values\n  function ColorValuePicker (picker, color, bindedHex, alphaPrecision) {\n    const $this = this; // private properties and methods\n    const inputs = picker.find('td.Text input');\n    // input box key down - use arrows to alter color\n    function keyDown (e) {\n      if (e.target.value === '' && e.target !== hex.get(0) && ((bindedHex != null && e.target !== bindedHex.get(0)) || bindedHex == null)) return;\n      if (!validateKey(e)) return e;\n      switch (e.target) {\n      case red.get(0):\n        switch (e.keyCode) {\n        case 38:\n          red.val(setValueInRange.call($this, (red.val() << 0) + 1, 0, 255));\n          color.val('r', red.val(), e.target);\n          return false;\n        case 40:\n          red.val(setValueInRange.call($this, (red.val() << 0) - 1, 0, 255));\n          color.val('r', red.val(), e.target);\n          return false;\n        }\n        break;\n      case green.get(0):\n        switch (e.keyCode) {\n        case 38:\n          green.val(setValueInRange.call($this, (green.val() << 0) + 1, 0, 255));\n          color.val('g', green.val(), e.target);\n          return false;\n        case 40:\n          green.val(setValueInRange.call($this, (green.val() << 0) - 1, 0, 255));\n          color.val('g', green.val(), e.target);\n          return false;\n        }\n        break;\n      case blue.get(0):\n        switch (e.keyCode) {\n        case 38:\n          blue.val(setValueInRange.call($this, (blue.val() << 0) + 1, 0, 255));\n          color.val('b', blue.val(), e.target);\n          return false;\n        case 40:\n          blue.val(setValueInRange.call($this, (blue.val() << 0) - 1, 0, 255));\n          color.val('b', blue.val(), e.target);\n          return false;\n        }\n        break;\n      case alpha && alpha.get(0):\n        switch (e.keyCode) {\n        case 38:\n          alpha.val(setValueInRange.call($this, parseFloat(alpha.val()) + 1, 0, 100));\n          color.val('a', toFixedNumeric((alpha.val() * 255) / 100, alphaPrecision), e.target);\n          return false;\n        case 40:\n          alpha.val(setValueInRange.call($this, parseFloat(alpha.val()) - 1, 0, 100));\n          color.val('a', toFixedNumeric((alpha.val() * 255) / 100, alphaPrecision), e.target);\n          return false;\n        }\n        break;\n      case hue.get(0):\n        switch (e.keyCode) {\n        case 38:\n          hue.val(setValueInRange.call($this, (hue.val() << 0) + 1, 0, 360));\n          color.val('h', hue.val(), e.target);\n          return false;\n        case 40:\n          hue.val(setValueInRange.call($this, (hue.val() << 0) - 1, 0, 360));\n          color.val('h', hue.val(), e.target);\n          return false;\n        }\n        break;\n      case saturation.get(0):\n        switch (e.keyCode) {\n        case 38:\n          saturation.val(setValueInRange.call($this, (saturation.val() << 0) + 1, 0, 100));\n          color.val('s', saturation.val(), e.target);\n          return false;\n        case 40:\n          saturation.val(setValueInRange.call($this, (saturation.val() << 0) - 1, 0, 100));\n          color.val('s', saturation.val(), e.target);\n          return false;\n        }\n        break;\n      case value.get(0):\n        switch (e.keyCode) {\n        case 38:\n          value.val(setValueInRange.call($this, (value.val() << 0) + 1, 0, 100));\n          color.val('v', value.val(), e.target);\n          return false;\n        case 40:\n          value.val(setValueInRange.call($this, (value.val() << 0) - 1, 0, 100));\n          color.val('v', value.val(), e.target);\n          return false;\n        }\n        break;\n      }\n    }\n    // input box key up - validate value and set color\n    function keyUp (e) {\n      if (e.target.value === '' && e.target !== hex.get(0) &&\n        ((bindedHex != null && e.target !== bindedHex.get(0)) ||\n        bindedHex == null)) return;\n      if (!validateKey(e)) return e;\n      switch (e.target) {\n      case red.get(0):\n        red.val(setValueInRange.call($this, red.val(), 0, 255));\n        color.val('r', red.val(), e.target);\n        break;\n      case green.get(0):\n        green.val(setValueInRange.call($this, green.val(), 0, 255));\n        color.val('g', green.val(), e.target);\n        break;\n      case blue.get(0):\n        blue.val(setValueInRange.call($this, blue.val(), 0, 255));\n        color.val('b', blue.val(), e.target);\n        break;\n      case alpha && alpha.get(0):\n        alpha.val(setValueInRange.call($this, alpha.val(), 0, 100));\n        color.val('a', toFixedNumeric((alpha.val() * 255) / 100, alphaPrecision), e.target);\n        break;\n      case hue.get(0):\n        hue.val(setValueInRange.call($this, hue.val(), 0, 360));\n        color.val('h', hue.val(), e.target);\n        break;\n      case saturation.get(0):\n        saturation.val(setValueInRange.call($this, saturation.val(), 0, 100));\n        color.val('s', saturation.val(), e.target);\n        break;\n      case value.get(0):\n        value.val(setValueInRange.call($this, value.val(), 0, 100));\n        color.val('v', value.val(), e.target);\n        break;\n      case hex.get(0):\n        hex.val(hex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 6));\n        bindedHex && bindedHex.val(hex.val());\n        color.val('hex', hex.val() !== '' ? hex.val() : null, e.target);\n        break;\n      case bindedHex && bindedHex.get(0):\n        bindedHex.val(bindedHex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 6));\n        hex.val(bindedHex.val());\n        color.val('hex', bindedHex.val() !== '' ? bindedHex.val() : null, e.target);\n        break;\n      case ahex && ahex.get(0):\n        ahex.val(ahex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 2));\n        color.val('a', ahex.val() != null ? parseInt(ahex.val(), 16) : null, e.target);\n        break;\n      }\n    }\n    // input box blur - reset to original if value empty\n    function blur (e) {\n      if (color.val() != null) {\n        switch (e.target) {\n        case red.get(0): red.val(color.val('r')); break;\n        case green.get(0): green.val(color.val('g')); break;\n        case blue.get(0): blue.val(color.val('b')); break;\n        case alpha && alpha.get(0): alpha.val(toFixedNumeric((color.val('a') * 100) / 255, alphaPrecision)); break;\n        case hue.get(0): hue.val(color.val('h')); break;\n        case saturation.get(0): saturation.val(color.val('s')); break;\n        case value.get(0): value.val(color.val('v')); break;\n        case hex.get(0):\n        case bindedHex && bindedHex.get(0):\n          hex.val(color.val('hex'));\n          bindedHex && bindedHex.val(color.val('hex'));\n          break;\n        case ahex && ahex.get(0): ahex.val(color.val('ahex').substring(6)); break;\n        }\n      }\n    }\n    function validateKey (e) {\n      switch (e.keyCode) {\n      case 9:\n      case 16:\n      case 29:\n      case 37:\n      case 39:\n        return false;\n      case 'c'.charCodeAt():\n      case 'v'.charCodeAt():\n        if (e.ctrlKey) return false;\n      }\n      return true;\n    }\n    // constrain value within range\n    function setValueInRange (value, min, max) {\n      if (value === '' || isNaN(value)) return min;\n      if (value > max) return max;\n      if (value < min) return min;\n      return value;\n    }\n    function colorChanged (ui, context) {\n      const all = ui.val('all');\n      if (context !== red.get(0)) red.val(all != null ? all.r : '');\n      if (context !== green.get(0)) green.val(all != null ? all.g : '');\n      if (context !== blue.get(0)) blue.val(all != null ? all.b : '');\n      if (alpha && context !== alpha.get(0)) alpha.val(all != null ? toFixedNumeric((all.a * 100) / 255, alphaPrecision) : '');\n      if (context !== hue.get(0)) hue.val(all != null ? all.h : '');\n      if (context !== saturation.get(0)) saturation.val(all != null ? all.s : '');\n      if (context !== value.get(0)) value.val(all != null ? all.v : '');\n      if (context !== hex.get(0) && ((bindedHex && context !== bindedHex.get(0)) || !bindedHex)) hex.val(all != null ? all.hex : '');\n      if (bindedHex && context !== bindedHex.get(0) && context !== hex.get(0)) bindedHex.val(all != null ? all.hex : '');\n      if (ahex && context !== ahex.get(0)) ahex.val(all != null ? all.ahex.substring(6) : '');\n    }\n    function destroy () {\n      // unbind all events and null objects\n      red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).add(hex).add(bindedHex).add(ahex).unbind('keyup', keyUp).unbind('blur', blur);\n      red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).unbind('keydown', keyDown);\n      color.unbind(colorChanged);\n      red = null;\n      green = null;\n      blue = null;\n      alpha = null;\n      hue = null;\n      saturation = null;\n      value = null;\n      hex = null;\n      ahex = null;\n    }\n    let\n      red = inputs.eq(3),\n      green = inputs.eq(4),\n      blue = inputs.eq(5),\n      alpha = inputs.length > 7 ? inputs.eq(6) : null,\n      hue = inputs.eq(0),\n      saturation = inputs.eq(1),\n      value = inputs.eq(2),\n      hex = inputs.eq(inputs.length > 7 ? 7 : 6),\n      ahex = inputs.length > 7 ? inputs.eq(8) : null;\n    $.extend(true, $this, {\n      // public properties and methods\n      destroy\n    });\n    red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).add(hex).add(bindedHex).add(ahex).bind('keyup', keyUp).bind('blur', blur);\n    red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).bind('keydown', keyDown);\n    color.bind(colorChanged);\n  }\n\n  /**\n  * @typedef {PlainObject} module:jPicker.JPickerInit\n  * @property {Integer} a\n  * @property {Integer} b\n  * @property {Integer} g\n  * @property {Integer} h\n  * @property {Integer} r\n  * @property {Integer} s\n  * @property {Integer} v\n  * @property {string} hex\n  * @property {string} ahex\n  */\n\n  /**\n  * @namespace {PlainObject} jPicker\n  * @memberof external:jQuery\n  */\n  $.jPicker = /** @lends external:jQuery.jPicker */ {\n    /**\n    * Array holding references to each active instance of the jPicker control\n    * @type {external:jQuery.fn.$.fn.jPicker[]}\n    */\n    List: [],\n    /**\n    * Color object - we will be able to assign by any color space type or\n    * retrieve any color space info.\n    * We want this public so we can optionally assign new color objects to\n    * initial values using inputs other than a string hex value (also supported)\n    * Note: JSDoc didn't document when expressed here as an ES6 Class.\n    * @namespace\n    * @class\n    * @memberof external:jQuery.jPicker\n    * @param {module:jPicker.JPickerInit} init\n    */\n    Color: function (init) {\n      const $this = this;\n      function fireChangeEvents (context) {\n        for (let i = 0; i < changeEvents.length; i++) changeEvents[i].call($this, $this, context);\n      }\n      function val (name, value, context) {\n        // Kind of ugly\n        const set = Boolean(value);\n        if (set && value.ahex === '') value.ahex = '00000000';\n        if (!set) {\n          if (name === undefined || name == null || name === '') name = 'all';\n          if (r == null) return null;\n          switch (name.toLowerCase()) {\n          case 'ahex': return ColorMethods.rgbaToHex({r, g, b, a});\n          case 'hex': return val('ahex').substring(0, 6);\n          case 'all': return {r, g, b, a, h, s, v, hex: val.call($this, 'hex'), ahex: val.call($this, 'ahex')};\n          default:\n            let ret = {};\n            for (let i = 0; i < name.length; i++) {\n              switch (name.charAt(i)) {\n              case 'r':\n                if (name.length === 1) ret = r;\n                else ret.r = r;\n                break;\n              case 'g':\n                if (name.length === 1) ret = g;\n                else ret.g = g;\n                break;\n              case 'b':\n                if (name.length === 1) ret = b;\n                else ret.b = b;\n                break;\n              case 'a':\n                if (name.length === 1) ret = a;\n                else ret.a = a;\n                break;\n              case 'h':\n                if (name.length === 1) ret = h;\n                else ret.h = h;\n                break;\n              case 's':\n                if (name.length === 1) ret = s;\n                else ret.s = s;\n                break;\n              case 'v':\n                if (name.length === 1) ret = v;\n                else ret.v = v;\n                break;\n              }\n            }\n            return !name.length ? val.call($this, 'all') : ret;\n          }\n        }\n        if (context != null && context === $this) return;\n        if (name == null) name = '';\n\n        let changed = false;\n        if (value == null) {\n          if (r != null) {\n            r = null;\n            changed = true;\n          }\n          if (g != null) {\n            g = null;\n            changed = true;\n          }\n          if (b != null) {\n            b = null;\n            changed = true;\n          }\n          if (a != null) {\n            a = null;\n            changed = true;\n          }\n          if (h != null) {\n            h = null;\n            changed = true;\n          }\n          if (s != null) {\n            s = null;\n            changed = true;\n          }\n          if (v != null) {\n            v = null;\n            changed = true;\n          }\n          changed && fireChangeEvents.call($this, context || $this);\n          return;\n        }\n        switch (name.toLowerCase()) {\n        case 'ahex':\n        case 'hex':\n          const ret = ColorMethods.hexToRgba((value && (value.ahex || value.hex)) || value || 'none');\n          val.call($this, 'rgba', {r: ret.r, g: ret.g, b: ret.b, a: name === 'ahex' ? ret.a : a != null ? a : 255}, context);\n          break;\n        default:\n          if (value && (value.ahex != null || value.hex != null)) {\n            val.call($this, 'ahex', value.ahex || value.hex || '00000000', context);\n            return;\n          }\n          const newV = {};\n          let rgb = false, hsv = false;\n          if (value.r !== undefined && !name.includes('r')) name += 'r';\n          if (value.g !== undefined && !name.includes('g')) name += 'g';\n          if (value.b !== undefined && !name.includes('b')) name += 'b';\n          if (value.a !== undefined && !name.includes('a')) name += 'a';\n          if (value.h !== undefined && !name.includes('h')) name += 'h';\n          if (value.s !== undefined && !name.includes('s')) name += 's';\n          if (value.v !== undefined && !name.includes('v')) name += 'v';\n          for (let i = 0; i < name.length; i++) {\n            switch (name.charAt(i)) {\n            case 'r':\n              if (hsv) continue;\n              rgb = true;\n              newV.r = (value.r && value.r | 0) || (value | 0) || 0;\n              if (newV.r < 0) newV.r = 0;\n              else if (newV.r > 255) newV.r = 255;\n              if (r !== newV.r) {\n                ({r} = newV);\n                changed = true;\n              }\n              break;\n            case 'g':\n              if (hsv) continue;\n              rgb = true;\n              newV.g = (value && value.g && value.g | 0) || (value && value | 0) || 0;\n              if (newV.g < 0) newV.g = 0;\n              else if (newV.g > 255) newV.g = 255;\n              if (g !== newV.g) {\n                ({g} = newV);\n                changed = true;\n              }\n              break;\n            case 'b':\n              if (hsv) continue;\n              rgb = true;\n              newV.b = (value && value.b && value.b | 0) || (value && value | 0) || 0;\n              if (newV.b < 0) newV.b = 0;\n              else if (newV.b > 255) newV.b = 255;\n              if (b !== newV.b) {\n                ({b} = newV);\n                changed = true;\n              }\n              break;\n            case 'a':\n              newV.a = value && value.a != null ? value.a | 0 : value | 0;\n              if (newV.a < 0) newV.a = 0;\n              else if (newV.a > 255) newV.a = 255;\n              if (a !== newV.a) {\n                ({a} = newV);\n                changed = true;\n              }\n              break;\n            case 'h':\n              if (rgb) continue;\n              hsv = true;\n              newV.h = (value && value.h && value.h | 0) || (value && value | 0) || 0;\n              if (newV.h < 0) newV.h = 0;\n              else if (newV.h > 360) newV.h = 360;\n              if (h !== newV.h) {\n                ({h} = newV);\n                changed = true;\n              }\n              break;\n            case 's':\n              if (rgb) continue;\n              hsv = true;\n              newV.s = value.s != null ? value.s | 0 : value | 0;\n              if (newV.s < 0) newV.s = 0;\n              else if (newV.s > 100) newV.s = 100;\n              if (s !== newV.s) {\n                ({s} = newV);\n                changed = true;\n              }\n              break;\n            case 'v':\n              if (rgb) continue;\n              hsv = true;\n              newV.v = value.v != null ? value.v | 0 : value | 0;\n              if (newV.v < 0) newV.v = 0;\n              else if (newV.v > 100) newV.v = 100;\n              if (v !== newV.v) {\n                ({v} = newV);\n                changed = true;\n              }\n              break;\n            }\n          }\n          if (changed) {\n            if (rgb) {\n              r = r || 0;\n              g = g || 0;\n              b = b || 0;\n              const ret = ColorMethods.rgbToHsv({r, g, b});\n              ({h, s, v} = ret);\n            } else if (hsv) {\n              h = h || 0;\n              s = s != null ? s : 100;\n              v = v != null ? v : 100;\n              const ret = ColorMethods.hsvToRgb({h, s, v});\n              ({r, g, b} = ret);\n            }\n            a = a != null ? a : 255;\n            fireChangeEvents.call($this, context || $this);\n          }\n          break;\n        }\n      }\n      function bind (callback) {\n        if (typeof callback === 'function') changeEvents.push(callback);\n      }\n      function unbind (callback) {\n        if (typeof callback !== 'function') return;\n        let i;\n        while ((i = changeEvents.includes(callback))) {\n          changeEvents.splice(i, 1);\n        }\n      }\n      function destroy () {\n        changeEvents = null;\n      }\n      let r, g, b, a, h, s, v, changeEvents = [];\n\n      $.extend(true, $this, {\n        // public properties and methods\n        val,\n        bind,\n        unbind,\n        destroy\n      });\n      if (init) {\n        if (init.ahex != null) {\n          val('ahex', init);\n        } else if (init.hex != null) {\n          val(\n            (init.a != null ? 'a' : '') + 'hex',\n            init.a != null\n              ? {ahex: init.hex + ColorMethods.intToHex(init.a)}\n              : init\n          );\n        } else if (init.r != null && init.g != null && init.b != null) {\n          val('rgb' + (init.a != null ? 'a' : ''), init);\n        } else if (init.h != null && init.s != null && init.v != null) {\n          val('hsv' + (init.a != null ? 'a' : ''), init);\n        }\n      }\n    },\n    /**\n    * color conversion methods  - make public to give use to external scripts\n    * @namespace\n    */\n    ColorMethods: {\n      /**\n      * @typedef {PlainObject} module:jPicker.RGBA\n      * @property {Integer} r\n      * @property {Integer} g\n      * @property {Integer} b\n      * @property {Integer} a\n      */\n      /**\n      * @typedef {PlainObject} module:jPicker.RGB\n      * @property {Integer} r\n      * @property {Integer} g\n      * @property {Integer} b\n      */\n      /**\n      * @param {string} hex\n      * @returns {module:jPicker.RGBA}\n      */\n      hexToRgba (hex) {\n        if (hex === '' || hex === 'none') return {r: null, g: null, b: null, a: null};\n        hex = this.validateHex(hex);\n        let r = '00', g = '00', b = '00', a = '255';\n        if (hex.length === 6) hex += 'ff';\n        if (hex.length > 6) {\n          r = hex.substring(0, 2);\n          g = hex.substring(2, 4);\n          b = hex.substring(4, 6);\n          a = hex.substring(6, hex.length);\n        } else {\n          if (hex.length > 4) {\n            r = hex.substring(4, hex.length);\n            hex = hex.substring(0, 4);\n          }\n          if (hex.length > 2) {\n            g = hex.substring(2, hex.length);\n            hex = hex.substring(0, 2);\n          }\n          if (hex.length > 0) b = hex.substring(0, hex.length);\n        }\n        return {\n          r: this.hexToInt(r), g: this.hexToInt(g), b: this.hexToInt(b), a: this.hexToInt(a)\n        };\n      },\n      /**\n      * @param {string} hex\n      * @returns {string}\n      */\n      validateHex (hex) {\n        // if (typeof hex === 'object') return '';\n        hex = hex.toLowerCase().replace(/[^a-f0-9]/g, '');\n        if (hex.length > 8) hex = hex.substring(0, 8);\n        return hex;\n      },\n      /**\n      * @param {module:jPicker.RGBA} rgba\n      * @returns {string}\n      */\n      rgbaToHex (rgba) {\n        return this.intToHex(rgba.r) + this.intToHex(rgba.g) + this.intToHex(rgba.b) + this.intToHex(rgba.a);\n      },\n      /**\n      * @param {Integer} dec\n      * @returns {string}\n      */\n      intToHex (dec) {\n        let result = (dec | 0).toString(16);\n        if (result.length === 1) result = ('0' + result);\n        return result.toLowerCase();\n      },\n      /**\n      * @param {string} hex\n      * @returns {Integer}\n      */\n      hexToInt (hex) {\n        return parseInt(hex, 16);\n      },\n      /**\n      * @typedef {PlainObject} module:jPicker.HSV\n      * @property {Integer} h\n      * @property {Integer} s\n      * @property {Integer} v\n      */\n      /**\n      * @param {module:jPicker.RGB} rgb\n      * @returns {module:jPicker.HSV}\n      */\n      rgbToHsv (rgb) {\n        const r = rgb.r / 255, g = rgb.g / 255, b = rgb.b / 255, hsv = {h: 0, s: 0, v: 0};\n        let min = 0, max = 0;\n        if (r >= g && r >= b) {\n          max = r;\n          min = g > b ? b : g;\n        } else if (g >= b && g >= r) {\n          max = g;\n          min = r > b ? b : r;\n        } else {\n          max = b;\n          min = g > r ? r : g;\n        }\n        hsv.v = max;\n        hsv.s = max ? (max - min) / max : 0;\n        let delta;\n        if (!hsv.s) hsv.h = 0;\n        else {\n          delta = max - min;\n          if (r === max) hsv.h = (g - b) / delta;\n          else if (g === max) hsv.h = 2 + (b - r) / delta;\n          else hsv.h = 4 + (r - g) / delta;\n          hsv.h = parseInt(hsv.h * 60);\n          if (hsv.h < 0) hsv.h += 360;\n        }\n        hsv.s = (hsv.s * 100) | 0;\n        hsv.v = (hsv.v * 100) | 0;\n        return hsv;\n      },\n      /**\n      * @param {module:jPicker.HSV} hsv\n      * @returns {module:jPicker.RGB}\n      */\n      hsvToRgb (hsv) {\n        const rgb = {r: 0, g: 0, b: 0, a: 100};\n        let {h, s, v} = hsv;\n        if (s === 0) {\n          if (v === 0) rgb.r = rgb.g = rgb.b = 0;\n          else rgb.r = rgb.g = rgb.b = (v * 255 / 100) | 0;\n        } else {\n          if (h === 360) h = 0;\n          h /= 60;\n          s = s / 100;\n          v = v / 100;\n          const i = h | 0,\n            f = h - i,\n            p = v * (1 - s),\n            q = v * (1 - (s * f)),\n            t = v * (1 - (s * (1 - f)));\n          switch (i) {\n          case 0:\n            rgb.r = v;\n            rgb.g = t;\n            rgb.b = p;\n            break;\n          case 1:\n            rgb.r = q;\n            rgb.g = v;\n            rgb.b = p;\n            break;\n          case 2:\n            rgb.r = p;\n            rgb.g = v;\n            rgb.b = t;\n            break;\n          case 3:\n            rgb.r = p;\n            rgb.g = q;\n            rgb.b = v;\n            break;\n          case 4:\n            rgb.r = t;\n            rgb.g = p;\n            rgb.b = v;\n            break;\n          case 5:\n            rgb.r = v;\n            rgb.g = p;\n            rgb.b = q;\n            break;\n          }\n          rgb.r = (rgb.r * 255) | 0;\n          rgb.g = (rgb.g * 255) | 0;\n          rgb.b = (rgb.b * 255) | 0;\n        }\n        return rgb;\n      }\n    }\n  };\n  const {Color, List, ColorMethods} = $.jPicker; // local copies for YUI compressor\n  /**\n   * @function external:jQuery.fn.jPicker\n   * @see {@link external:jQuery.fn.$.fn.jPicker}\n   */\n  /**\n  * While it would seem this should specify the name `jPicker` for JSDoc, that doesn't\n  *   get us treated as a function as well as a namespace (even with `@function name`),\n  *   so we use an approach to add a redundant `$.fn.` in the name.\n  * @namespace\n  * @memberof external:jQuery.fn\n  * @param {external:jQuery.fn.jPickerOptions} options\n  * @returns {external:jQuery}\n  */\n  $.fn.jPicker = function (options) {\n    const $arguments = arguments;\n    return this.each(function () {\n      const $this = this, settings = $.extend(true, {}, $.fn.jPicker.defaults, options); // local copies for YUI compressor\n      if ($($this).get(0).nodeName.toLowerCase() === 'input') { // Add color picker icon if binding to an input element and bind the events to the input\n        $.extend(true, settings, {\n          window: {\n            bindToInput: true,\n            expandable: true,\n            input: $($this)\n          }\n        });\n        if ($($this).val() === '') {\n          settings.color.active = new Color({hex: null});\n          settings.color.current = new Color({hex: null});\n        } else if (ColorMethods.validateHex($($this).val())) {\n          settings.color.active = new Color({hex: $($this).val(), a: settings.color.active.val('a')});\n          settings.color.current = new Color({hex: $($this).val(), a: settings.color.active.val('a')});\n        }\n      }\n      if (settings.window.expandable) {\n        $($this).after('<span class=\"jPicker\"><span class=\"Icon\"><span class=\"Color\">&nbsp;</span><span class=\"Alpha\">&nbsp;</span><span class=\"Image\" title=\"Click To Open Color Picker\">&nbsp;</span><span class=\"Container\">&nbsp;</span></span></span>');\n      } else {\n        settings.window.liveUpdate = false; // Basic control binding for inline use - You will need to override the liveCallback or commitCallback function to retrieve results\n      }\n      const isLessThanIE7 = parseFloat(navigator.appVersion.split('MSIE')[1]) < 7 && document.body.filters; // needed to run the AlphaImageLoader function for IE6\n      // set color mode and update visuals for the new color mode\n      /**\n       *\n       * @param {\"h\"|\"s\"|\"v\"|\"r\"|\"g\"|\"b\"|\"a\"} colorMode [description]\n       * @throws {Error} Invalid mode\n       */\n      function setColorMode (colorMode) {\n        const {active} = color, // local copies for YUI compressor\n          // {clientPath} = images,\n          hex = active.val('hex');\n        let rgbMap, rgbBar;\n        settings.color.mode = colorMode;\n        switch (colorMode) {\n        case 'h':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, 'transparent');\n            setImgLoc.call($this, colorMapL1, 0);\n            setAlpha.call($this, colorMapL1, 100);\n            setImgLoc.call($this, colorMapL2, 260);\n            setAlpha.call($this, colorMapL2, 100);\n            setBG.call($this, colorBarDiv, 'transparent');\n            setImgLoc.call($this, colorBarL1, 0);\n            setAlpha.call($this, colorBarL1, 100);\n            setImgLoc.call($this, colorBarL2, 260);\n            setAlpha.call($this, colorBarL2, 100);\n            setImgLoc.call($this, colorBarL3, 260);\n            setAlpha.call($this, colorBarL3, 100);\n            setImgLoc.call($this, colorBarL4, 260);\n            setAlpha.call($this, colorBarL4, 100);\n            setImgLoc.call($this, colorBarL6, 260);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          colorMap.range('all', {minX: 0, maxX: 100, minY: 0, maxY: 100});\n          colorBar.range('rangeY', {minY: 0, maxY: 360});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('s'), y: 100 - active.val('v')}, colorMap);\n          colorBar.val('y', 360 - active.val('h'), colorBar);\n          break;\n        case 's':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, 'transparent');\n            setImgLoc.call($this, colorMapL1, -260);\n            setImgLoc.call($this, colorMapL2, -520);\n            setImgLoc.call($this, colorBarL1, -260);\n            setImgLoc.call($this, colorBarL2, -520);\n            setImgLoc.call($this, colorBarL6, 260);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          colorMap.range('all', {minX: 0, maxX: 360, minY: 0, maxY: 100});\n          colorBar.range('rangeY', {minY: 0, maxY: 100});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('h'), y: 100 - active.val('v')}, colorMap);\n          colorBar.val('y', 100 - active.val('s'), colorBar);\n          break;\n        case 'v':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, '000000');\n            setImgLoc.call($this, colorMapL1, -780);\n            setImgLoc.call($this, colorMapL2, 260);\n            setBG.call($this, colorBarDiv, hex);\n            setImgLoc.call($this, colorBarL1, -520);\n            setImgLoc.call($this, colorBarL2, 260);\n            setAlpha.call($this, colorBarL2, 100);\n            setImgLoc.call($this, colorBarL6, 260);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          colorMap.range('all', {minX: 0, maxX: 360, minY: 0, maxY: 100});\n          colorBar.range('rangeY', {minY: 0, maxY: 100});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('h'), y: 100 - active.val('s')}, colorMap);\n          colorBar.val('y', 100 - active.val('v'), colorBar);\n          break;\n        case 'r':\n          rgbMap = -1040;\n          rgbBar = -780;\n          colorMap.range('all', {minX: 0, maxX: 255, minY: 0, maxY: 255});\n          colorBar.range('rangeY', {minY: 0, maxY: 255});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('b'), y: 255 - active.val('g')}, colorMap);\n          colorBar.val('y', 255 - active.val('r'), colorBar);\n          break;\n        case 'g':\n          rgbMap = -1560;\n          rgbBar = -1820;\n          colorMap.range('all', {minX: 0, maxX: 255, minY: 0, maxY: 255});\n          colorBar.range('rangeY', {minY: 0, maxY: 255});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('b'), y: 255 - active.val('r')}, colorMap);\n          colorBar.val('y', 255 - active.val('g'), colorBar);\n          break;\n        case 'b':\n          rgbMap = -2080;\n          rgbBar = -2860;\n          colorMap.range('all', {minX: 0, maxX: 255, minY: 0, maxY: 255});\n          colorBar.range('rangeY', {minY: 0, maxY: 255});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('r'), y: 255 - active.val('g')}, colorMap);\n          colorBar.val('y', 255 - active.val('b'), colorBar);\n          break;\n        case 'a':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, 'transparent');\n            setImgLoc.call($this, colorMapL1, -260);\n            setImgLoc.call($this, colorMapL2, -520);\n            setImgLoc.call($this, colorBarL1, 260);\n            setImgLoc.call($this, colorBarL2, 260);\n            setAlpha.call($this, colorBarL2, 100);\n            setImgLoc.call($this, colorBarL6, 0);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          colorMap.range('all', {minX: 0, maxX: 360, minY: 0, maxY: 100});\n          colorBar.range('rangeY', {minY: 0, maxY: 255});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('h'), y: 100 - active.val('v')}, colorMap);\n          colorBar.val('y', 255 - active.val('a'), colorBar);\n          break;\n        default:\n          throw new Error('Invalid Mode');\n        }\n        switch (colorMode) {\n        case 'h':\n          break;\n        case 's':\n        case 'v':\n        case 'a':\n          setTimeout(function () {\n            setAlpha.call($this, colorMapL1, 100);\n            setAlpha.call($this, colorBarL1, 100);\n            setImgLoc.call($this, colorBarL3, 260);\n            setAlpha.call($this, colorBarL3, 100);\n            setImgLoc.call($this, colorBarL4, 260);\n            setAlpha.call($this, colorBarL4, 100);\n          }, 0);\n          break;\n        case 'r':\n        case 'g':\n        case 'b':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, 'transparent');\n            setBG.call($this, colorBarDiv, 'transparent');\n            setAlpha.call($this, colorBarL1, 100);\n            setAlpha.call($this, colorMapL1, 100);\n            setImgLoc.call($this, colorMapL1, rgbMap);\n            setImgLoc.call($this, colorMapL2, rgbMap - 260);\n            setImgLoc.call($this, colorBarL1, rgbBar - 780);\n            setImgLoc.call($this, colorBarL2, rgbBar - 520);\n            setImgLoc.call($this, colorBarL3, rgbBar);\n            setImgLoc.call($this, colorBarL4, rgbBar - 260);\n            setImgLoc.call($this, colorBarL6, 260);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          break;\n        }\n        if (active.val('ahex') == null) return;\n        activeColorChanged.call($this, active);\n      }\n      // Update color when user changes text values\n      function activeColorChanged (ui, context) {\n        if (context == null || (context !== colorBar && context !== colorMap)) positionMapAndBarArrows.call($this, ui, context);\n        setTimeout(function () {\n          updatePreview.call($this, ui);\n          updateMapVisuals.call($this, ui);\n          updateBarVisuals.call($this, ui);\n        }, 0);\n      }\n      // user has dragged the ColorMap pointer\n      function mapValueChanged (ui, context) {\n        const {active} = color;\n        if (context !== colorMap && active.val() == null) return;\n        const xy = ui.val('all');\n        switch (settings.color.mode) {\n        case 'h':\n          active.val('sv', {s: xy.x, v: 100 - xy.y}, context);\n          break;\n        case 's':\n        case 'a':\n          active.val('hv', {h: xy.x, v: 100 - xy.y}, context);\n          break;\n        case 'v':\n          active.val('hs', {h: xy.x, s: 100 - xy.y}, context);\n          break;\n        case 'r':\n          active.val('gb', {g: 255 - xy.y, b: xy.x}, context);\n          break;\n        case 'g':\n          active.val('rb', {r: 255 - xy.y, b: xy.x}, context);\n          break;\n        case 'b':\n          active.val('rg', {r: xy.x, g: 255 - xy.y}, context);\n          break;\n        }\n      }\n      // user has dragged the ColorBar slider\n      function colorBarValueChanged (ui, context) {\n        const {active} = color;\n        if (context !== colorBar && active.val() == null) return;\n        switch (settings.color.mode) {\n        case 'h':\n          active.val('h', {h: 360 - ui.val('y')}, context);\n          break;\n        case 's':\n          active.val('s', {s: 100 - ui.val('y')}, context);\n          break;\n        case 'v':\n          active.val('v', {v: 100 - ui.val('y')}, context);\n          break;\n        case 'r':\n          active.val('r', {r: 255 - ui.val('y')}, context);\n          break;\n        case 'g':\n          active.val('g', {g: 255 - ui.val('y')}, context);\n          break;\n        case 'b':\n          active.val('b', {b: 255 - ui.val('y')}, context);\n          break;\n        case 'a':\n          active.val('a', 255 - ui.val('y'), context);\n          break;\n        }\n      }\n      // position map and bar arrows to match current color\n      function positionMapAndBarArrows (ui, context) {\n        if (context !== colorMap) {\n          switch (settings.color.mode) {\n          case 'h':\n            const sv = ui.val('sv');\n            colorMap.val('xy', {x: sv != null ? sv.s : 100, y: 100 - (sv != null ? sv.v : 100)}, context);\n            break;\n          case 's':\n          case 'a':\n            const hv = ui.val('hv');\n            colorMap.val('xy', {x: (hv && hv.h) || 0, y: 100 - (hv != null ? hv.v : 100)}, context);\n            break;\n          case 'v':\n            const hs = ui.val('hs');\n            colorMap.val('xy', {x: (hs && hs.h) || 0, y: 100 - (hs != null ? hs.s : 100)}, context);\n            break;\n          case 'r':\n            const bg = ui.val('bg');\n            colorMap.val('xy', {x: (bg && bg.b) || 0, y: 255 - ((bg && bg.g) || 0)}, context);\n            break;\n          case 'g':\n            const br = ui.val('br');\n            colorMap.val('xy', {x: (br && br.b) || 0, y: 255 - ((br && br.r) || 0)}, context);\n            break;\n          case 'b':\n            const rg = ui.val('rg');\n            colorMap.val('xy', {x: (rg && rg.r) || 0, y: 255 - ((rg && rg.g) || 0)}, context);\n            break;\n          }\n        }\n        if (context !== colorBar) {\n          switch (settings.color.mode) {\n          case 'h':\n            colorBar.val('y', 360 - (ui.val('h') || 0), context);\n            break;\n          case 's':\n            const s = ui.val('s');\n            colorBar.val('y', 100 - (s != null ? s : 100), context);\n            break;\n          case 'v':\n            const v = ui.val('v');\n            colorBar.val('y', 100 - (v != null ? v : 100), context);\n            break;\n          case 'r':\n            colorBar.val('y', 255 - (ui.val('r') || 0), context);\n            break;\n          case 'g':\n            colorBar.val('y', 255 - (ui.val('g') || 0), context);\n            break;\n          case 'b':\n            colorBar.val('y', 255 - (ui.val('b') || 0), context);\n            break;\n          case 'a':\n            const a = ui.val('a');\n            colorBar.val('y', 255 - (a != null ? a : 255), context);\n            break;\n          }\n        }\n      }\n      function updatePreview (ui) {\n        try {\n          const all = ui.val('all');\n          activePreview.css({backgroundColor: (all && '#' + all.hex) || 'transparent'});\n          setAlpha.call($this, activePreview, (all && toFixedNumeric((all.a * 100) / 255, 4)) || 0);\n        } catch (e) { }\n      }\n      function updateMapVisuals (ui) {\n        switch (settings.color.mode) {\n        case 'h':\n          setBG.call($this, colorMapDiv, new Color({h: ui.val('h') || 0, s: 100, v: 100}).val('hex'));\n          break;\n        case 's':\n        case 'a':\n          const s = ui.val('s');\n          setAlpha.call($this, colorMapL2, 100 - (s != null ? s : 100));\n          break;\n        case 'v':\n          const v = ui.val('v');\n          setAlpha.call($this, colorMapL1, v != null ? v : 100);\n          break;\n        case 'r':\n          setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('r') || 0) / 255 * 100, 4));\n          break;\n        case 'g':\n          setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('g') || 0) / 255 * 100, 4));\n          break;\n        case 'b':\n          setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('b') || 0) / 255 * 100));\n          break;\n        }\n        const a = ui.val('a');\n        setAlpha.call($this, colorMapL3, toFixedNumeric(((255 - (a || 0)) * 100) / 255, 4));\n      }\n      function updateBarVisuals (ui) {\n        switch (settings.color.mode) {\n        case 'h':\n          const a = ui.val('a');\n          setAlpha.call($this, colorBarL5, toFixedNumeric(((255 - (a || 0)) * 100) / 255, 4));\n          break;\n        case 's':\n          const hva = ui.val('hva'),\n            saturatedColor = new Color({h: (hva && hva.h) || 0, s: 100, v: hva != null ? hva.v : 100});\n          setBG.call($this, colorBarDiv, saturatedColor.val('hex'));\n          setAlpha.call($this, colorBarL2, 100 - (hva != null ? hva.v : 100));\n          setAlpha.call($this, colorBarL5, toFixedNumeric(((255 - ((hva && hva.a) || 0)) * 100) / 255, 4));\n          break;\n        case 'v':\n          const hsa = ui.val('hsa'),\n            valueColor = new Color({h: (hsa && hsa.h) || 0, s: hsa != null ? hsa.s : 100, v: 100});\n          setBG.call($this, colorBarDiv, valueColor.val('hex'));\n          setAlpha.call($this, colorBarL5, toFixedNumeric(((255 - ((hsa && hsa.a) || 0)) * 100) / 255, 4));\n          break;\n        case 'r':\n        case 'g':\n        case 'b':\n          const rgba = ui.val('rgba');\n          let hValue = 0, vValue = 0;\n          if (settings.color.mode === 'r') {\n            hValue = (rgba && rgba.b) || 0;\n            vValue = (rgba && rgba.g) || 0;\n          } else if (settings.color.mode === 'g') {\n            hValue = (rgba && rgba.b) || 0;\n            vValue = (rgba && rgba.r) || 0;\n          } else if (settings.color.mode === 'b') {\n            hValue = (rgba && rgba.r) || 0;\n            vValue = (rgba && rgba.g) || 0;\n          }\n          const middle = vValue > hValue ? hValue : vValue;\n          setAlpha.call($this, colorBarL2, hValue > vValue ? toFixedNumeric(((hValue - vValue) / (255 - vValue)) * 100, 4) : 0);\n          setAlpha.call($this, colorBarL3, vValue > hValue ? toFixedNumeric(((vValue - hValue) / (255 - hValue)) * 100, 4) : 0);\n          setAlpha.call($this, colorBarL4, toFixedNumeric((middle / 255) * 100, 4));\n          setAlpha.call($this, colorBarL5, toFixedNumeric(((255 - ((rgba && rgba.a) || 0)) * 100) / 255, 4));\n          break;\n        case 'a': {\n          const a = ui.val('a');\n          setBG.call($this, colorBarDiv, ui.val('hex') || '000000');\n          setAlpha.call($this, colorBarL5, a != null ? 0 : 100);\n          setAlpha.call($this, colorBarL6, a != null ? 100 : 0);\n          break;\n        }\n        }\n      }\n      function setBG (el, c) {\n        el.css({backgroundColor: (c && c.length === 6 && '#' + c) || 'transparent'});\n      }\n      function setImg (img, src) {\n        if (isLessThanIE7 && (src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png'))) {\n          img.attr('pngSrc', src);\n          img.css({backgroundImage: 'none', filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\\'' + src + '\\', sizingMethod=\\'scale\\')'});\n        } else img.css({backgroundImage: 'url(\\'' + src + '\\')'});\n      }\n      function setImgLoc (img, y) {\n        img.css({top: y + 'px'});\n      }\n      function setAlpha (obj, alpha) {\n        obj.css({visibility: alpha > 0 ? 'visible' : 'hidden'});\n        if (alpha > 0 && alpha < 100) {\n          if (isLessThanIE7) {\n            const src = obj.attr('pngSrc');\n            if (src != null && (\n              src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png')\n            )) {\n              obj.css({filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\\'' + src + '\\', sizingMethod=\\'scale\\') progid:DXImageTransform.Microsoft.Alpha(opacity=' + alpha + ')'});\n            } else obj.css({opacity: toFixedNumeric(alpha / 100, 4)});\n          } else obj.css({opacity: toFixedNumeric(alpha / 100, 4)});\n        } else if (alpha === 0 || alpha === 100) {\n          if (isLessThanIE7) {\n            const src = obj.attr('pngSrc');\n            if (src != null && (\n              src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png')\n            )) {\n              obj.css({filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\\'' + src + '\\', sizingMethod=\\'scale\\')'});\n            } else obj.css({opacity: ''});\n          } else obj.css({opacity: ''});\n        }\n      }\n      // revert color to original color when opened\n      function revertColor () {\n        color.active.val('ahex', color.current.val('ahex'));\n      }\n      // commit the color changes\n      function commitColor () {\n        color.current.val('ahex', color.active.val('ahex'));\n      }\n      function radioClicked (e) {\n        $(this).parents('tbody:first').find('input:radio[value!=\"' + e.target.value + '\"]').removeAttr('checked');\n        setColorMode.call($this, e.target.value);\n      }\n      function currentClicked () {\n        revertColor.call($this);\n      }\n      function cancelClicked () {\n        revertColor.call($this);\n        settings.window.expandable && hide.call($this);\n        typeof cancelCallback === 'function' && cancelCallback.call($this, color.active, cancelButton);\n      }\n      function okClicked () {\n        commitColor.call($this);\n        settings.window.expandable && hide.call($this);\n        typeof commitCallback === 'function' && commitCallback.call($this, color.active, okButton);\n      }\n      function iconImageClicked () {\n        show.call($this);\n      }\n      function currentColorChanged (ui, context) {\n        const hex = ui.val('hex');\n        currentPreview.css({backgroundColor: (hex && '#' + hex) || 'transparent'});\n        setAlpha.call($this, currentPreview, toFixedNumeric(((ui.val('a') || 0) * 100) / 255, 4));\n      }\n      function expandableColorChanged (ui, context) {\n        const hex = ui.val('hex');\n        const va = ui.val('va');\n        iconColor.css({backgroundColor: (hex && '#' + hex) || 'transparent'});\n        setAlpha.call($this, iconAlpha, toFixedNumeric(((255 - ((va && va.a) || 0)) * 100) / 255, 4));\n        if (settings.window.bindToInput && settings.window.updateInputColor) {\n          settings.window.input.css({\n            backgroundColor: (hex && '#' + hex) || 'transparent',\n            color: va == null || va.v > 75 ? '#000000' : '#ffffff'\n          });\n        }\n      }\n      function moveBarMouseDown (e) {\n        // const {element} = settings.window, // local copies for YUI compressor\n        //     {page} = settings.window;\n        elementStartX = parseInt(container.css('left'));\n        elementStartY = parseInt(container.css('top'));\n        pageStartX = e.pageX;\n        pageStartY = e.pageY;\n        // bind events to document to move window - we will unbind these on mouseup\n        $(document).bind('mousemove', documentMouseMove).bind('mouseup', documentMouseUp);\n        e.preventDefault(); // prevent attempted dragging of the column\n      }\n      function documentMouseMove (e) {\n        container.css({left: elementStartX - (pageStartX - e.pageX) + 'px', top: elementStartY - (pageStartY - e.pageY) + 'px'});\n        if (settings.window.expandable && !$.support.boxModel) container.prev().css({left: container.css('left'), top: container.css('top')});\n        e.stopPropagation();\n        e.preventDefault();\n        return false;\n      }\n      function documentMouseUp (e) {\n        $(document).unbind('mousemove', documentMouseMove).unbind('mouseup', documentMouseUp);\n        e.stopPropagation();\n        e.preventDefault();\n        return false;\n      }\n      function quickPickClicked (e) {\n        e.preventDefault();\n        e.stopPropagation();\n        color.active.val('ahex', $(this).attr('title') || null, e.target);\n        return false;\n      }\n      function show () {\n        color.current.val('ahex', color.active.val('ahex'));\n        function attachIFrame () {\n          if (!settings.window.expandable || $.support.boxModel) return;\n          const table = container.find('table:first');\n          container.before('<iframe/>');\n          container.prev().css({width: table.width(), height: container.height(), opacity: 0, position: 'absolute', left: container.css('left'), top: container.css('top')});\n        }\n        if (settings.window.expandable) {\n          $(document.body).children('div.jPicker.Container').css({zIndex: 10});\n          container.css({zIndex: 20});\n        }\n        switch (settings.window.effects.type) {\n        case 'fade':\n          container.fadeIn(settings.window.effects.speed.show, attachIFrame);\n          break;\n        case 'slide':\n          container.slideDown(settings.window.effects.speed.show, attachIFrame);\n          break;\n        case 'show':\n        default:\n          container.show(settings.window.effects.speed.show, attachIFrame);\n          break;\n        }\n      }\n      function hide () {\n        function removeIFrame () {\n          if (settings.window.expandable) container.css({zIndex: 10});\n          if (!settings.window.expandable || $.support.boxModel) return;\n          container.prev().remove();\n        }\n        switch (settings.window.effects.type) {\n        case 'fade':\n          container.fadeOut(settings.window.effects.speed.hide, removeIFrame);\n          break;\n        case 'slide':\n          container.slideUp(settings.window.effects.speed.hide, removeIFrame);\n          break;\n        case 'show':\n        default:\n          container.hide(settings.window.effects.speed.hide, removeIFrame);\n          break;\n        }\n      }\n      function initialize () {\n        const win = settings.window,\n          popup = win.expandable ? $($this).next().find('.Container:first') : null;\n        container = win.expandable ? $('<div/>') : $($this);\n        container.addClass('jPicker Container');\n        if (win.expandable) container.hide();\n        container.get(0).onselectstart = function (event) { if (event.target.nodeName.toLowerCase() !== 'input') return false; };\n        // inject html source code - we are using a single table for this control - I know tables are considered bad, but it takes care of equal height columns and\n        // this control really is tabular data, so I believe it is the right move\n        const all = color.active.val('all');\n        if (win.alphaPrecision < 0) win.alphaPrecision = 0;\n        else if (win.alphaPrecision > 2) win.alphaPrecision = 2;\n        const controlHtml = `<table class=\"jPicker\" cellpadding=\"0\" cellspacing=\"0\">\n          <tbody>\n            ${win.expandable ? `<tr><td class=\"Move\" colspan=\"5\">&nbsp;</td></tr>` : ''}\n            <tr>\n              <td rowspan=\"9\"><h2 class=\"Title\">${win.title || localization.text.title}</h2><div class=\"Map\"><span class=\"Map1\">&nbsp;</span><span class=\"Map2\">&nbsp;</span><span class=\"Map3\">&nbsp;</span><img src=\"${images.clientPath + images.colorMap.arrow.file}\" class=\"Arrow\"/></div></td>\n              <td rowspan=\"9\"><div class=\"Bar\"><span class=\"Map1\">&nbsp;</span><span class=\"Map2\">&nbsp;</span><span class=\"Map3\">&nbsp;</span><span class=\"Map4\">&nbsp;</span><span class=\"Map5\">&nbsp;</span><span class=\"Map6\">&nbsp;</span><img src=\"${images.clientPath + images.colorBar.arrow.file}\" class=\"Arrow\"/></div></td>\n              <td colspan=\"2\" class=\"Preview\">${localization.text.newColor}<div><span class=\"Active\" title=\"${localization.tooltips.colors.newColor}\">&nbsp;</span><span class=\"Current\" title=\"${localization.tooltips.colors.currentColor}\">&nbsp;</span></div>${localization.text.currentColor}</td>\n              <td rowspan=\"9\" class=\"Button\"><input type=\"button\" class=\"Ok\" value=\"${localization.text.ok}\" title=\"${localization.tooltips.buttons.ok}\"/><input type=\"button\" class=\"Cancel\" value=\"${localization.text.cancel}\" title=\"${localization.tooltips.buttons.cancel}\"/><hr/><div class=\"Grid\">&nbsp;</div></td>\n            </tr>\n            <tr class=\"Hue\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.hue.radio}\"><input type=\"radio\" value=\"h\"${settings.color.mode === 'h' ? ' checked=\"checked\"' : ''}/>H:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.h : ''}\" title=\"${localization.tooltips.hue.textbox}\"/>&nbsp;&deg;</td>\n            </tr>\n            <tr class=\"Saturation\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.saturation.radio}\"><input type=\"radio\" value=\"s\"${settings.color.mode === 's' ? ' checked=\"checked\"' : ''}/>S:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.s : ''}\" title=\"${localization.tooltips.saturation.textbox}\"/>&nbsp;%</td>\n            </tr>\n            <tr class=\"Value\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.value.radio}\"><input type=\"radio\" value=\"v\"${settings.color.mode === 'v' ? ' checked=\"checked\"' : ''}/>V:</label><br/><br/></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.v : ''}\" title=\"${localization.tooltips.value.textbox}\"/>&nbsp;%<br/><br/></td>\n            </tr>\n            <tr class=\"Red\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.red.radio}\"><input type=\"radio\" value=\"r\"${settings.color.mode === 'r' ? ' checked=\"checked\"' : ''}/>R:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.r : ''}\" title=\"${localization.tooltips.red.textbox}\"/></td>\n            </tr>\n            <tr class=\"Green\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.green.radio}\"><input type=\"radio\" value=\"g\"${settings.color.mode === 'g' ? ' checked=\"checked\"' : ''}/>G:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.g : ''}\" title=\"${localization.tooltips.green.textbox}\"/></td>\n            </tr>\n            <tr class=\"Blue\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.blue.radio}\"><input type=\"radio\" value=\"b\"${settings.color.mode === 'b' ? ' checked=\"checked\"' : ''}/>B:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.b : ''}\" title=\"${localization.tooltips.blue.textbox}\"/></td>\n            </tr>\n            <tr class=\"Alpha\">\n              <td class=\"Radio\">${win.alphaSupport ? `<label title=\"${localization.tooltips.alpha.radio}\"><input type=\"radio\" value=\"a\"${settings.color.mode === 'a' ? ' checked=\"checked\"' : ''}/>A:</label>` : '&nbsp;'}</td>\n              <td class=\"Text\">${win.alphaSupport ? `<input type=\"text\" maxlength=\"${3 + win.alphaPrecision}\" value=\"${all != null ? toFixedNumeric((all.a * 100) / 255, win.alphaPrecision) : ''}\" title=\"${localization.tooltips.alpha.textbox}\"/>&nbsp;%` : '&nbsp;'}</td>\n            </tr>\n            <tr class=\"Hex\">\n              <td colspan=\"2\" class=\"Text\"><label title=\"${localization.tooltips.hex.textbox}\">#:<input type=\"text\" maxlength=\"6\" class=\"Hex\" value=\"${all != null ? all.hex : ''}\"/></label>${win.alphaSupport ? `<input type=\"text\" maxlength=\"2\" class=\"AHex\" value=\"${all != null ? all.ahex.substring(6) : ''}\" title=\"${localization.tooltips.hex.alpha}\"/></td>` : '&nbsp;'}\n            </tr>\n          </tbody></table>`;\n        if (win.expandable) {\n          container.html(controlHtml);\n          if (!$(document.body).children('div.jPicker.Container').length) {\n            $(document.body).prepend(container);\n          } else {\n            $(document.body).children('div.jPicker.Container:last').after(container);\n          }\n          container.mousedown(\n            function () {\n              $(document.body).children('div.jPicker.Container').css({zIndex: 10});\n              container.css({zIndex: 20});\n            });\n          container.css( // positions must be set and display set to absolute before source code injection or IE will size the container to fit the window\n            {\n              left:\n                win.position.x === 'left'\n                  ? (popup.offset().left - 530 - (win.position.y === 'center' ? 25 : 0)) + 'px'\n                  : win.position.x === 'center'\n                    ? (popup.offset().left - 260) + 'px'\n                    : win.position.x === 'right'\n                      ? (popup.offset().left - 10 + (win.position.y === 'center' ? 25 : 0)) + 'px'\n                      : win.position.x === 'screenCenter'\n                        ? (($(document).width() >> 1) - 260) + 'px'\n                        : (popup.offset().left + parseInt(win.position.x)) + 'px',\n              position: 'absolute',\n              top: win.position.y === 'top'\n                ? (popup.offset().top - 312) + 'px'\n                : win.position.y === 'center'\n                  ? (popup.offset().top - 156) + 'px'\n                  : win.position.y === 'bottom'\n                    ? (popup.offset().top + 25) + 'px'\n                    : (popup.offset().top + parseInt(win.position.y)) + 'px'\n            });\n        } else {\n          container = $($this);\n          container.html(controlHtml);\n        }\n        // initialize the objects to the source code just injected\n        const tbody = container.find('tbody:first');\n        colorMapDiv = tbody.find('div.Map:first');\n        colorBarDiv = tbody.find('div.Bar:first');\n        const MapMaps = colorMapDiv.find('span');\n        const BarMaps = colorBarDiv.find('span');\n        colorMapL1 = MapMaps.filter('.Map1:first');\n        colorMapL2 = MapMaps.filter('.Map2:first');\n        colorMapL3 = MapMaps.filter('.Map3:first');\n        colorBarL1 = BarMaps.filter('.Map1:first');\n        colorBarL2 = BarMaps.filter('.Map2:first');\n        colorBarL3 = BarMaps.filter('.Map3:first');\n        colorBarL4 = BarMaps.filter('.Map4:first');\n        colorBarL5 = BarMaps.filter('.Map5:first');\n        colorBarL6 = BarMaps.filter('.Map6:first');\n        // create color pickers and maps\n        colorMap = new Slider(colorMapDiv,\n          {\n            map: {\n              width: images.colorMap.width,\n              height: images.colorMap.height\n            },\n            arrow: {\n              image: images.clientPath + images.colorMap.arrow.file,\n              width: images.colorMap.arrow.width,\n              height: images.colorMap.arrow.height\n            }\n          }\n        );\n        colorMap.bind(mapValueChanged);\n        colorBar = new Slider(colorBarDiv,\n          {\n            map: {\n              width: images.colorBar.width,\n              height: images.colorBar.height\n            },\n            arrow: {\n              image: images.clientPath + images.colorBar.arrow.file,\n              width: images.colorBar.arrow.width,\n              height: images.colorBar.arrow.height\n            }\n          }\n        );\n        colorBar.bind(colorBarValueChanged);\n        colorPicker = new ColorValuePicker(\n          tbody,\n          color.active,\n          win.expandable && win.bindToInput ? win.input : null, win.alphaPrecision\n        );\n        const hex = all != null ? all.hex : null,\n          preview = tbody.find('.Preview'),\n          button = tbody.find('.Button');\n        activePreview = preview.find('.Active:first').css({backgroundColor: (hex && '#' + hex) || 'transparent'});\n        currentPreview = preview.find('.Current:first').css({backgroundColor: (hex && '#' + hex) || 'transparent'}).bind('click', currentClicked);\n        setAlpha.call($this, currentPreview, toFixedNumeric((color.current.val('a') * 100) / 255, 4));\n        okButton = button.find('.Ok:first').bind('click', okClicked);\n        cancelButton = button.find('.Cancel:first').bind('click', cancelClicked);\n        grid = button.find('.Grid:first');\n        setTimeout(function () {\n          setImg.call($this, colorMapL1, images.clientPath + 'Maps.png');\n          setImg.call($this, colorMapL2, images.clientPath + 'Maps.png');\n          setImg.call($this, colorMapL3, images.clientPath + 'map-opacity.png');\n          setImg.call($this, colorBarL1, images.clientPath + 'Bars.png');\n          setImg.call($this, colorBarL2, images.clientPath + 'Bars.png');\n          setImg.call($this, colorBarL3, images.clientPath + 'Bars.png');\n          setImg.call($this, colorBarL4, images.clientPath + 'Bars.png');\n          setImg.call($this, colorBarL5, images.clientPath + 'bar-opacity.png');\n          setImg.call($this, colorBarL6, images.clientPath + 'AlphaBar.png');\n          setImg.call($this, preview.find('div:first'), images.clientPath + 'preview-opacity.png');\n        }, 0);\n        tbody.find('td.Radio input').bind('click', radioClicked);\n        // initialize quick list\n        if (color.quickList && color.quickList.length > 0) {\n          let html = '';\n          for (let i = 0; i < color.quickList.length; i++) {\n            /* if default colors are hex strings, change them to color objects */\n            if ((typeof (color.quickList[i])).toString().toLowerCase() === 'string') color.quickList[i] = new Color({hex: color.quickList[i]});\n            const alpha = color.quickList[i].val('a');\n            let ahex = color.quickList[i].val('ahex');\n            if (!win.alphaSupport && ahex) ahex = ahex.substring(0, 6) + 'ff';\n            const quickHex = color.quickList[i].val('hex');\n            if (!ahex) ahex = '00000000';\n            html += '<span class=\"QuickColor\"' + (' title=\"#' + ahex + '\"') + ' style=\"background-color:' + ((quickHex && '#' + quickHex) || '') + ';' + (quickHex ? '' : 'background-image:url(' + images.clientPath + 'NoColor.png)') + (win.alphaSupport && alpha && alpha < 255 ? ';opacity:' + toFixedNumeric(alpha / 255, 4) + ';filter:Alpha(opacity=' + toFixedNumeric(alpha / 2.55, 4) + ')' : '') + '\">&nbsp;</span>';\n          }\n          setImg.call($this, grid, images.clientPath + 'bar-opacity.png');\n          grid.html(html);\n          grid.find('.QuickColor').click(quickPickClicked);\n        }\n        setColorMode.call($this, settings.color.mode);\n        color.active.bind(activeColorChanged);\n        typeof liveCallback === 'function' && color.active.bind(liveCallback);\n        color.current.bind(currentColorChanged);\n        // bind to input\n        if (win.expandable) {\n          $this.icon = popup.parents('.Icon:first');\n          iconColor = $this.icon.find('.Color:first').css({backgroundColor: (hex && '#' + hex) || 'transparent'});\n          iconAlpha = $this.icon.find('.Alpha:first');\n          setImg.call($this, iconAlpha, images.clientPath + 'bar-opacity.png');\n          setAlpha.call($this, iconAlpha, toFixedNumeric(((255 - (all != null ? all.a : 0)) * 100) / 255, 4));\n          iconImage = $this.icon.find('.Image:first').css({\n            backgroundImage: 'url(\\'' + images.clientPath + images.picker.file + '\\')'\n          }).bind('click', iconImageClicked);\n          if (win.bindToInput && win.updateInputColor) {\n            win.input.css({\n              backgroundColor: (hex && '#' + hex) || 'transparent',\n              color: all == null || all.v > 75 ? '#000000' : '#ffffff'\n            });\n          }\n          moveBar = tbody.find('.Move:first').bind('mousedown', moveBarMouseDown);\n          color.active.bind(expandableColorChanged);\n        } else show.call($this);\n      }\n      function destroy () {\n        container.find('td.Radio input').unbind('click', radioClicked);\n        currentPreview.unbind('click', currentClicked);\n        cancelButton.unbind('click', cancelClicked);\n        okButton.unbind('click', okClicked);\n        if (settings.window.expandable) {\n          iconImage.unbind('click', iconImageClicked);\n          moveBar.unbind('mousedown', moveBarMouseDown);\n          $this.icon = null;\n        }\n        container.find('.QuickColor').unbind('click', quickPickClicked);\n        colorMapDiv = null;\n        colorBarDiv = null;\n        colorMapL1 = null;\n        colorMapL2 = null;\n        colorMapL3 = null;\n        colorBarL1 = null;\n        colorBarL2 = null;\n        colorBarL3 = null;\n        colorBarL4 = null;\n        colorBarL5 = null;\n        colorBarL6 = null;\n        colorMap.destroy();\n        colorMap = null;\n        colorBar.destroy();\n        colorBar = null;\n        colorPicker.destroy();\n        colorPicker = null;\n        activePreview = null;\n        currentPreview = null;\n        okButton = null;\n        cancelButton = null;\n        grid = null;\n        commitCallback = null;\n        cancelCallback = null;\n        liveCallback = null;\n        container.html('');\n        for (let i = 0; i < List.length; i++) {\n          if (List[i] === $this) {\n            List.splice(i, 1);\n          }\n        }\n      }\n      const {images, localization} = settings; // local copies for YUI compressor\n      const color = {\n        active: (typeof settings.color.active).toString().toLowerCase() === 'string'\n          ? new Color({ahex: !settings.window.alphaSupport && settings.color.active\n            ? settings.color.active.substring(0, 6) + 'ff'\n            : settings.color.active\n          })\n          : new Color({ahex: !settings.window.alphaSupport &&\n              settings.color.active.val('ahex')\n            ? settings.color.active.val('ahex').substring(0, 6) + 'ff'\n            : settings.color.active.val('ahex')\n          }),\n        current: (typeof settings.color.active).toString().toLowerCase() === 'string'\n          ? new Color({ahex: !settings.window.alphaSupport && settings.color.active\n            ? settings.color.active.substring(0, 6) + 'ff'\n            : settings.color.active})\n          : new Color({ahex: !settings.window.alphaSupport &&\n              settings.color.active.val('ahex')\n            ? settings.color.active.val('ahex').substring(0, 6) + 'ff'\n            : settings.color.active.val('ahex')\n          }),\n        quickList: settings.color.quickList\n      };\n\n      let elementStartX = null, // Used to record the starting css positions for dragging the control\n        elementStartY = null,\n        pageStartX = null, // Used to record the mousedown coordinates for dragging the control\n        pageStartY = null,\n        container = null,\n        colorMapDiv = null,\n        colorBarDiv = null,\n        colorMapL1 = null, // different layers of colorMap and colorBar\n        colorMapL2 = null,\n        colorMapL3 = null,\n        colorBarL1 = null,\n        colorBarL2 = null,\n        colorBarL3 = null,\n        colorBarL4 = null,\n        colorBarL5 = null,\n        colorBarL6 = null,\n        colorMap = null, // color maps\n        colorBar = null,\n        colorPicker = null,\n        activePreview = null, // color boxes above the radio buttons\n        currentPreview = null,\n        okButton = null,\n        cancelButton = null,\n        grid = null, // preset colors grid\n        iconColor = null, // iconColor for popup icon\n        iconAlpha = null, // iconAlpha for popup icon\n        iconImage = null, // iconImage popup icon\n        moveBar = null, // drag bar\n        commitCallback = typeof $arguments[1] === 'function' ? $arguments[1] : null,\n        liveCallback = typeof $arguments[2] === 'function' ? $arguments[2] : null,\n        cancelCallback = typeof $arguments[3] === 'function' ? $arguments[3] : null;\n\n      $.extend(true, $this, {\n        // public properties, methods, and callbacks\n        commitCallback, // commitCallback function can be overridden to return the selected color to a method you specify when the user clicks \"OK\"\n        liveCallback, // liveCallback function can be overridden to return the selected color to a method you specify in live mode (continuous update)\n        cancelCallback, // cancelCallback function can be overridden to a method you specify when the user clicks \"Cancel\"\n        color,\n        show,\n        hide,\n        destroy // destroys this control entirely, removing all events and objects, and removing itself from the List\n      });\n      List.push($this);\n      setTimeout(function () {\n        initialize.call($this);\n      }, 0);\n    });\n  };\n  /**\n  * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsIconInfo\n  * @property {string} file Color Map/Color Bar/Color Picker arrow icon\n  * @property {Float} width\n  * @property {Float} height\n  */\n  /**\n  * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsImagesDimensionsArrow\n  * @property {Float} width\n  * @property {Float} height\n  * @property {external:jQuery.fn.jPickerOptionsIconInfo} arrow\n  */\n  /**\n  * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsRadioTextboxLocale\n  * @property {string} radio\n  * @property {string} textbox\n  */\n  /**\n  * @typedef {PlainObject} external:jQuery.fn.jPickerOptions\n  * @property {PlainObject} window\n  * @property {string|null} window.title Any title for the jPicker window itself - displays\n  * \"Drag Markers To Pick A Color\" if left null\n  * @property {PlainObject} window.effects\n  * @property {\"slide\"|\"show\"|\"fade\"} window.effects.type Effect used to show/hide an expandable picker\n  * @property {PlainObject} window.effects.speed\n  * @property {\"fast\"|\"slow\"|Float} window.effects.speed.show Duration of \"show\" effect. Time in milliseconds.\n  * @property {\"fast\"|\"slow\"|Float} window.effects.speed.hide Duration of \"hide\" effect. Time in milliseconds\n  * @property {PlainObject} window.position\n  * @property {\"left\"|\"center\"|\"right\"|\"screenCenter\"|Float} window.position.x Relative px value\n  * @property {\"top\"|\"bottom\"|\"center\"|Float} window.position.y Relative px value\n  * @property {boolean} window.expandable Defaults to large static picker - set to `true` to make an expandable\n  * picker (small icon with popup) - set automatically when binded to input element\n  * @property {boolean} window.liveUpdate Set `false` if you want the user to have to click \"OK\" before the\n  * binded input box updates values (always `true` for expandable picker)\n  * @property {boolean} window.alphaSupport Set to `true` to enable alpha picking\n  * @property {Float} window.alphaPrecision Set decimal precision for alpha percentage display - hex codes do\n  * not map directly to percentage integers - range 0-2\n  * @property {boolean} window.updateInputColor Set to `false` to prevent binded input colors from changing\n  * @property {PlainObject} color\n  * @property {\"h\"|\"s\"|\"v\"|\"r\"|\"g\"|\"b\"|\"a\"} color.mode Symbols stand for \"h\" (hue), \"s\" (saturation), \"v\" (value), \"r\" (red), \"g\" (green), \"b\" (blue), \"a\" (alpha)\n  * @property {Color|string} color.active Strings are HEX values (e.g. #ffc000) WITH OR WITHOUT the \"#\" prefix\n  * @property {Color[]|string[]} color.quickList The quick pick color list\n  * Strings are HEX values (e.g. #ffc000) WITH OR WITHOUT the \"#\" prefix\n  * @property {PlainObject} images\n  * @property {string} images.clientPath Path to image files\n  * @property {external:jQuery.fn.jPickerOptionsImagesDimensionsArrow} images.colorMap\n  * @property {external:jQuery.fn.jPickerOptionsImagesDimensionsArrow} images.colorBar\n  * @property {external:jQuery.fn.jPickerOptionsIconInfo} images.picker\n  * @property {PlainObject} localization alter these to change the text presented by the picker (e.g. different language)\n  * @property {PlainObject} localization.text\n  * @property {string} localization.text.title\n  * @property {string} localization.text.newColor\n  * @property {string} localization.text.currentColor\n  * @property {string} localization.text.ok\n  * @property {string} localization.text.cancel\n  * @property {PlainObject} localization.tooltips\n  * @property {PlainObject} localization.tooltips.colors\n  * @property {string} localization.tooltips.colors.newColor\n  * @property {string} localization.tooltips.colors.currentColor\n  * @property {PlainObject} localization.tooltips.buttons\n  * @property {string} localization.tooltips.buttons.ok\n  * @property {string} localization.tooltips.buttons.cancel\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.hue\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.saturation\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.value\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.red\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.green\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.blue\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.alpha\n  * @property {PlainObject} localization.tooltips.hex\n  * @property {string} localization.tooltips.hex.textbox\n  * @property {string} localization.tooltips.hex.alpha\n  */\n  /**\n  * jPicker defaults - you can change anything in this section (such as the\n  * clientPath to your images) without fear of breaking the program\n  * @namespace {external:jQuery.fn.jPickerOptions} defaults\n  * @memberof external:jQuery.fn.$.fn.jPicker\n  * @borrows external:jQuery.fn.jPickerOptions as external:jQuery.fn.jPicker.defaults\n  * @see Source for all of the values\n  */\n  $.fn.jPicker.defaults = {\n    window: {\n      title: null,\n      effects: {\n        type: 'slide',\n        speed: {\n          show: 'slow',\n          hide: 'fast'\n        }\n      },\n      position: {\n        x: 'screenCenter',\n        y: 'top'\n      },\n      expandable: false,\n      liveUpdate: true,\n      alphaSupport: false,\n      alphaPrecision: 0,\n      updateInputColor: true\n    },\n    color: {\n      mode: 'h',\n      active: new Color({ahex: '#ffcc00ff'}),\n      quickList: [\n        new Color({h: 360, s: 33, v: 100}),\n        new Color({h: 360, s: 66, v: 100}),\n        new Color({h: 360, s: 100, v: 100}),\n        new Color({h: 360, s: 100, v: 75}),\n        new Color({h: 360, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 100}),\n        new Color({h: 30, s: 33, v: 100}),\n        new Color({h: 30, s: 66, v: 100}),\n        new Color({h: 30, s: 100, v: 100}),\n        new Color({h: 30, s: 100, v: 75}),\n        new Color({h: 30, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 90}),\n        new Color({h: 60, s: 33, v: 100}),\n        new Color({h: 60, s: 66, v: 100}),\n        new Color({h: 60, s: 100, v: 100}),\n        new Color({h: 60, s: 100, v: 75}),\n        new Color({h: 60, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 80}),\n        new Color({h: 90, s: 33, v: 100}),\n        new Color({h: 90, s: 66, v: 100}),\n        new Color({h: 90, s: 100, v: 100}),\n        new Color({h: 90, s: 100, v: 75}),\n        new Color({h: 90, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 70}),\n        new Color({h: 120, s: 33, v: 100}),\n        new Color({h: 120, s: 66, v: 100}),\n        new Color({h: 120, s: 100, v: 100}),\n        new Color({h: 120, s: 100, v: 75}),\n        new Color({h: 120, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 60}),\n        new Color({h: 150, s: 33, v: 100}),\n        new Color({h: 150, s: 66, v: 100}),\n        new Color({h: 150, s: 100, v: 100}),\n        new Color({h: 150, s: 100, v: 75}),\n        new Color({h: 150, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 50}),\n        new Color({h: 180, s: 33, v: 100}),\n        new Color({h: 180, s: 66, v: 100}),\n        new Color({h: 180, s: 100, v: 100}),\n        new Color({h: 180, s: 100, v: 75}),\n        new Color({h: 180, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 40}),\n        new Color({h: 210, s: 33, v: 100}),\n        new Color({h: 210, s: 66, v: 100}),\n        new Color({h: 210, s: 100, v: 100}),\n        new Color({h: 210, s: 100, v: 75}),\n        new Color({h: 210, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 30}),\n        new Color({h: 240, s: 33, v: 100}),\n        new Color({h: 240, s: 66, v: 100}),\n        new Color({h: 240, s: 100, v: 100}),\n        new Color({h: 240, s: 100, v: 75}),\n        new Color({h: 240, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 20}),\n        new Color({h: 270, s: 33, v: 100}),\n        new Color({h: 270, s: 66, v: 100}),\n        new Color({h: 270, s: 100, v: 100}),\n        new Color({h: 270, s: 100, v: 75}),\n        new Color({h: 270, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 10}),\n        new Color({h: 300, s: 33, v: 100}),\n        new Color({h: 300, s: 66, v: 100}),\n        new Color({h: 300, s: 100, v: 100}),\n        new Color({h: 300, s: 100, v: 75}),\n        new Color({h: 300, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 0}),\n        new Color({h: 330, s: 33, v: 100}),\n        new Color({h: 330, s: 66, v: 100}),\n        new Color({h: 330, s: 100, v: 100}),\n        new Color({h: 330, s: 100, v: 75}),\n        new Color({h: 330, s: 100, v: 50}),\n        new Color()\n      ]\n    },\n    images: {\n      clientPath: '/jPicker/images/',\n      colorMap: {\n        width: 256,\n        height: 256,\n        arrow: {\n          file: 'mappoint.gif',\n          width: 15,\n          height: 15\n        }\n      },\n      colorBar: {\n        width: 20,\n        height: 256,\n        arrow: {\n          file: 'rangearrows.gif',\n          width: 20,\n          height: 7\n        }\n      },\n      picker: {\n        file: 'picker.gif',\n        width: 25,\n        height: 24\n      }\n    },\n    localization: {\n      text: {\n        title: 'Drag Markers To Pick A Color',\n        newColor: 'new',\n        currentColor: 'current',\n        ok: 'OK',\n        cancel: 'Cancel'\n      },\n      tooltips: {\n        colors: {\n          newColor: 'New Color - Press &ldquo;OK&rdquo; To Commit',\n          currentColor: 'Click To Revert To Original Color'\n        },\n        buttons: {\n          ok: 'Commit To This Color Selection',\n          cancel: 'Cancel And Revert To Original Color'\n        },\n        hue: {\n          radio: 'Set To &ldquo;Hue&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Hue&rdquo; Value (0-360&deg;)'\n        },\n        saturation: {\n          radio: 'Set To &ldquo;Saturation&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Saturation&rdquo; Value (0-100%)'\n        },\n        value: {\n          radio: 'Set To &ldquo;Value&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Value&rdquo; Value (0-100%)'\n        },\n        red: {\n          radio: 'Set To &ldquo;Red&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Red&rdquo; Value (0-255)'\n        },\n        green: {\n          radio: 'Set To &ldquo;Green&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Green&rdquo; Value (0-255)'\n        },\n        blue: {\n          radio: 'Set To &ldquo;Blue&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Blue&rdquo; Value (0-255)'\n        },\n        alpha: {\n          radio: 'Set To &ldquo;Alpha&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Alpha&rdquo; Value (0-100)'\n        },\n        hex: {\n          textbox: 'Enter A &ldquo;Hex&rdquo; Color Value (#000000-#ffffff)',\n          alpha: 'Enter A &ldquo;Alpha&rdquo; Value (#00-#ff)'\n        }\n      }\n    }\n  };\n  return $;\n};\n\nexport default jPicker;\n","/* globals jQuery */\n/**\n * Localizing script for SVG-edit UI\n * @module locale\n * @license MIT\n *\n * @copyright 2010 Narendra Sisodya\n * @copyright 2010 Alexis Deveria\n *\n */\n\n/**\n * Used, for example, in the ImageLibs extension, to present libraries (with name/URL/description) in order\n * @typedef {GenericArray.<module:locale.LocaleStrings>} module:locale.LocaleArray\n*/\n/**\n * The string keys of the object are two-letter language codes\n * @tutorial LocaleDocs\n * @typedef {PlainObject.<string, string|module:locale.LocaleStrings|module:locale.LocaleArray>} module:locale.LocaleStrings\n */\n// keyed to an array of objects with \"id\" and \"title\" or \"textContent\" properties\n/**\n * @typedef {PlainObject.<string, string>} module:locale.LocaleSelectorValue\n */\n\nimport {importSetGlobalDefault} from '../external/dynamic-import-polyfill/importModule.js';\n\nconst $ = jQuery;\n\nlet langParam;\n\n/**\n* @param {\"content\"|\"title\"} type\n* @param {module:locale.LocaleSelectorValue} obj\n* @param {boolean} ids\n* @returns {undefined}\n*/\nexport const setStrings = function (type, obj, ids) {\n  // Root element to look for element from\n  const parent = $('#svg_editor').parent();\n  Object.entries(obj).forEach(([sel, val]) => {\n    if (!val) { console.log(sel); }\n\n    if (ids) { sel = '#' + sel; }\n    const $elem = parent.find(sel);\n    if ($elem.length) {\n      const elem = parent.find(sel)[0];\n\n      switch (type) {\n      case 'content':\n        for (let i = 0, node; (node = elem.childNodes[i]); i++) {\n          if (node.nodeType === 3 && node.textContent.trim()) {\n            node.textContent = val;\n            break;\n          }\n        }\n        break;\n\n      case 'title':\n        elem.title = val;\n        break;\n      }\n    } else {\n      console.log('Missing: ' + sel);\n    }\n  });\n};\n\n/**\n* The \"data\" property is generally set to an an array of objects with\n* \"id\" and \"title\" or \"textContent\" properties\n* @typedef {PlainObject} module:locale.AddLangExtensionLocaleData\n* @property {module:locale.LocaleStrings[]} data See {@tutorial LocaleDocs}\n*/\n\n/**\n* @interface module:locale.LocaleEditorInit\n*/\n/**\n * @function module:locale.LocaleEditorInit#addLangData\n * @param {string} langParam\n * @returns {module:locale.AddLangExtensionLocaleData}\n*/\n\nlet editor_;\n/**\n* @function init\n* @memberof module:locale\n* @param {module:locale.LocaleEditorInit} editor\n* @returns {undefined}\n*/\nexport const init = (editor) => {\n  editor_ = editor;\n};\n\n/**\n* @typedef {PlainObject} module:locale.LangAndData\n* @property {string} langParam\n* @property {module:locale.LocaleStrings} langData\n*/\n\n/**\n* @function module:locale.readLang\n* @param {module:locale.LocaleStrings} langData See {@tutorial LocaleDocs}\n* @fires module:svgcanvas.SvgCanvas#event:ext-addLangData\n* @returns {Promise} Resolves to [`LangAndData`]{@link module:locale.LangAndData}\n*/\nexport const readLang = async function (langData) {\n  const more = await editor_.addLangData(langParam);\n  $.each(more, function (i, m) {\n    if (m.data) {\n      langData = $.merge(langData, m.data);\n    }\n  });\n\n  // Old locale file, do nothing for now.\n  if (!langData.tools) { return; }\n\n  const {\n    tools,\n    // misc,\n    properties, config, layers, common, ui\n  } = langData;\n\n  setStrings('content', {\n    // copyrightLabel: misc.powered_by, // Currently commented out in svg-editor.html\n    curve_segments: properties.curve_segments,\n    fitToContent: tools.fitToContent,\n    fit_to_all: tools.fit_to_all,\n    fit_to_canvas: tools.fit_to_canvas,\n    fit_to_layer_content: tools.fit_to_layer_content,\n    fit_to_sel: tools.fit_to_sel,\n\n    icon_large: config.icon_large,\n    icon_medium: config.icon_medium,\n    icon_small: config.icon_small,\n    icon_xlarge: config.icon_xlarge,\n    image_opt_embed: config.image_opt_embed,\n    image_opt_ref: config.image_opt_ref,\n    includedImages: config.included_images,\n\n    largest_object: tools.largest_object,\n\n    layersLabel: layers.layers,\n    page: tools.page,\n    relativeToLabel: tools.relativeTo,\n    selLayerLabel: layers.move_elems_to,\n    selectedPredefined: config.select_predefined,\n\n    selected_objects: tools.selected_objects,\n    smallest_object: tools.smallest_object,\n    straight_segments: properties.straight_segments,\n\n    svginfo_bg_url: config.editor_img_url + ':',\n    svginfo_bg_note: config.editor_bg_note,\n    svginfo_change_background: config.background,\n    svginfo_dim: config.doc_dims,\n    svginfo_editor_prefs: config.editor_prefs,\n    svginfo_height: common.height,\n    svginfo_icons: config.icon_size,\n    svginfo_image_props: config.image_props,\n    svginfo_lang: config.language,\n    svginfo_title: config.doc_title,\n    svginfo_width: common.width,\n\n    tool_docprops_cancel: common.cancel,\n    tool_docprops_save: common.ok,\n\n    tool_source_cancel: common.cancel,\n    tool_source_save: common.ok,\n\n    tool_prefs_cancel: common.cancel,\n    tool_prefs_save: common.ok,\n\n    sidepanel_handle: layers.layers.split('').join(' '),\n\n    tool_clear: tools.new_doc,\n    tool_docprops: tools.docprops,\n    tool_export: tools.export_img,\n    tool_import: tools.import_doc,\n    tool_open: tools.open_doc,\n    tool_save: tools.save_doc,\n\n    svginfo_units_rulers: config.units_and_rulers,\n    svginfo_rulers_onoff: config.show_rulers,\n    svginfo_unit: config.base_unit,\n\n    svginfo_grid_settings: config.grid,\n    svginfo_snap_onoff: config.snapping_onoff,\n    svginfo_snap_step: config.snapping_stepsize,\n    svginfo_grid_color: config.grid_color\n  }, true);\n\n  // Context menus\n  const opts = {};\n  $.each(['cut', 'copy', 'paste', 'paste_in_place', 'delete', 'group', 'ungroup', 'move_front', 'move_up', 'move_down', 'move_back'], function () {\n    opts['#cmenu_canvas a[href=\"#' + this + '\"]'] = tools[this];\n  });\n\n  $.each(['dupe', 'merge_down', 'merge_all'], function () {\n    opts['#cmenu_layers a[href=\"#' + this + '\"]'] = layers[this];\n  });\n\n  opts['#cmenu_layers a[href=\"#delete\"]'] = layers.del;\n\n  setStrings('content', opts);\n\n  setStrings('title', {\n    align_relative_to: tools.align_relative_to,\n    circle_cx: properties.circle_cx,\n    circle_cy: properties.circle_cy,\n    circle_r: properties.circle_r,\n    cornerRadiusLabel: properties.corner_radius,\n    ellipse_cx: properties.ellipse_cx,\n    ellipse_cy: properties.ellipse_cy,\n    ellipse_rx: properties.ellipse_rx,\n    ellipse_ry: properties.ellipse_ry,\n    fill_color: properties.fill_color,\n    font_family: properties.font_family,\n    idLabel: properties.id,\n    image_height: properties.image_height,\n    image_url: properties.image_url,\n    image_width: properties.image_width,\n    layer_delete: layers.del,\n    layer_down: layers.move_down,\n    layer_new: layers['new'],\n    layer_rename: layers.rename,\n    layer_moreopts: common.more_opts,\n    layer_up: layers.move_up,\n    line_x1: properties.line_x1,\n    line_x2: properties.line_x2,\n    line_y1: properties.line_y1,\n    line_y2: properties.line_y2,\n    linecap_butt: properties.linecap_butt,\n    linecap_round: properties.linecap_round,\n    linecap_square: properties.linecap_square,\n    linejoin_bevel: properties.linejoin_bevel,\n    linejoin_miter: properties.linejoin_miter,\n    linejoin_round: properties.linejoin_round,\n    main_icon: tools.main_menu,\n    palette: ui.palette_info,\n    zoom_panel: ui.zoom_level,\n    path_node_x: properties.node_x,\n    path_node_y: properties.node_y,\n    rect_height_tool: properties.rect_height,\n    rect_width_tool: properties.rect_width,\n    seg_type: properties.seg_type,\n    selLayerNames: layers.move_selected,\n    selected_x: properties.pos_x,\n    selected_y: properties.pos_y,\n    stroke_color: properties.stroke_color,\n    stroke_style: properties.stroke_style,\n    stroke_width: properties.stroke_width,\n    svginfo_title: config.doc_title,\n    text: properties.text_contents,\n    toggle_stroke_tools: ui.toggle_stroke_tools,\n    tool_add_subpath: tools.add_subpath,\n    tool_alignbottom: tools.align_bottom,\n    tool_aligncenter: tools.align_center,\n    tool_alignleft: tools.align_left,\n    tool_alignmiddle: tools.align_middle,\n    tool_alignright: tools.align_right,\n    tool_aligntop: tools.align_top,\n    tool_angle: properties.angle,\n    tool_blur: properties.blur,\n    tool_bold: properties.bold,\n    tool_circle: tools.mode_circle,\n    tool_clone: tools.clone,\n    tool_clone_multi: tools.clone,\n    tool_delete: tools.del,\n    tool_delete_multi: tools.del,\n    tool_ellipse: tools.mode_ellipse,\n    tool_fhellipse: tools.mode_fhellipse,\n    tool_fhpath: tools.mode_fhpath,\n    tool_fhrect: tools.mode_fhrect,\n    tool_font_size: properties.font_size,\n    tool_group_elements: tools.group_elements,\n    tool_make_link: tools.make_link,\n    tool_link_url: tools.set_link_url,\n    tool_image: tools.mode_image,\n    tool_italic: properties.italic,\n    tool_line: tools.mode_line,\n    tool_move_bottom: tools.move_bottom,\n    tool_move_top: tools.move_top,\n    tool_node_clone: tools.node_clone,\n    tool_node_delete: tools.node_delete,\n    tool_node_link: tools.node_link,\n    tool_opacity: properties.opacity,\n    tool_openclose_path: tools.openclose_path,\n    tool_path: tools.mode_path,\n    tool_position: tools.align_to_page,\n    tool_rect: tools.mode_rect,\n    tool_redo: tools.redo,\n    tool_reorient: tools.reorient_path,\n    tool_select: tools.mode_select,\n    tool_source: tools.source_save,\n    tool_square: tools.mode_square,\n    tool_text: tools.mode_text,\n    tool_topath: tools.to_path,\n    tool_undo: tools.undo,\n    tool_ungroup: tools.ungroup,\n    tool_wireframe: tools.wireframe_mode,\n    tool_zoom: tools.mode_zoom,\n    url_notice: tools.no_embed\n\n  }, true);\n\n  return {langParam, langData};\n};\n\n/**\n* @function module:locale.putLocale\n* @param {string} givenParam\n* @param {string[]} goodLangs\n* @param {{langPath: string}} conf\n* @fires module:svgcanvas.SvgCanvas#event:ext-addLangData\n* @fires module:svgcanvas.SvgCanvas#event:ext-langReady\n* @fires module:svgcanvas.SvgCanvas#event:ext-langChanged\n* @returns {Promise} Resolves to result of {@link module:locale.readLang}\n*/\nexport const putLocale = async function (givenParam, goodLangs, conf) {\n  if (givenParam) {\n    langParam = givenParam;\n  } else {\n    langParam = $.pref('lang');\n    if (!langParam) {\n      if (navigator.userLanguage) { // Explorer\n        langParam = navigator.userLanguage;\n      } else if (navigator.language) { // FF, Opera, ...\n        langParam = navigator.language;\n      }\n    }\n\n    console.log('Lang: ' + langParam);\n\n    // Set to English if language is not in list of good langs\n    if (!goodLangs.includes(langParam) && langParam !== 'test') {\n      langParam = 'en';\n    }\n\n    // don't bother on first run if language is English\n    // The following line prevents setLang from running\n    //    extensions which depend on updated uiStrings,\n    //    so commenting it out.\n    // if (langParam.startsWith('en')) {return;}\n  }\n\n  const url = conf.langPath + 'lang.' + langParam + '.js';\n  return readLang(\n    // Todo: Replace this with `return import(url);` when\n    //   `import()` widely supported\n    await importSetGlobalDefault(url, {\n      global: 'svgEditorLang_' + langParam.replace(/-/g, '_')\n    })\n  );\n};\n","/* globals jQuery */\n\nimport './touch.js';\nimport {NS} from './namespaces.js';\nimport {isWebkit, isChrome, isGecko, isIE, isMac, isTouch} from './browser.js';\nimport * as Utils from './utilities.js';\nimport {getTypeMap, convertUnit, isValidUnit} from './units.js';\nimport {\n  hasCustomHandler, getCustomHandler, injectExtendedContextMenuItemsIntoDom\n} from './contextmenu.js';\nimport {importSetGlobalDefault} from './external/dynamic-import-polyfill/importModule.js';\n\nimport SvgCanvas from './svgcanvas.js';\nimport Layer from './layer.js';\n\nimport jqPluginJSHotkeys from './js-hotkeys/jquery.hotkeys.min.js';\nimport jqPluginBBQ from './jquerybbq/jquery.bbq.min.js';\nimport jqPluginSVGIcons from './svgicons/jQuery.svgIcons.js';\nimport jqPluginJGraduate from './jgraduate/jQuery.jGraduate.js';\nimport jqPluginSpinBtn from './spinbtn/jQuery.SpinButton.js';\nimport jqPluginSVG from './jQuery.attr.js'; // Needed for SVG attribute setting and array form with `attr`\nimport jqPluginContextMenu from './contextmenu/jQuery.contextMenu.js';\nimport jqPluginJPicker from './jgraduate/jQuery.jPicker.js';\nimport {\n  readLang, putLocale,\n  setStrings,\n  init as localeInit\n} from './locale/locale.js';\nimport loadStylesheets from './external/load-stylesheets/index-es.js';\n\n/**\n* The main module for the visual SVG Editor\n*\n* @license MIT\n*\n* @copyright 2010 Alexis Deveria\n* 2010 Pavol Rusnak\n* 2010 Jeff Schiller\n* 2010 Narendra Sisodiya\n* 2014 Brett Zamir\n* @exports module:SVGEditor\n* @borrows module:locale.putLocale as putLocale\n* @borrows module:locale.readLang as readLang\n* @borrows module:locale.setStrings as setStrings\n*/\nconst editor = {};\n\nconst $ = [\n  jqPluginJSHotkeys, jqPluginBBQ, jqPluginSVGIcons, jqPluginJGraduate,\n  jqPluginSpinBtn, jqPluginSVG, jqPluginContextMenu, jqPluginJPicker\n].reduce(($, cb) => cb($), jQuery);\n\n/*\nif (!$.loadingStylesheets) {\n  $.loadingStylesheets = [];\n}\n*/\nconst stylesheet = 'svg-editor.css';\nif (!$.loadingStylesheets.includes(stylesheet)) {\n  $.loadingStylesheets.push(stylesheet);\n}\nconst favicon = 'images/logo.png';\nif ($.loadingStylesheets.some((item) => {\n  return !Array.isArray(item) || item[0] !== favicon;\n})) {\n  $.loadingStylesheets.push([favicon, {favicon: true}]);\n}\n\n// EDITOR PROPERTIES: (defined below)\n//    curPrefs, curConfig, canvas, storage, uiStrings\n//\n// STATE MAINTENANCE PROPERTIES\n/**\n* @type {Float}\n*/\neditor.tool_scale = 1; // Dependent on icon size, so any use to making configurable instead? Used by `jQuery.SpinButton.js`\n/**\n* @type {Integer}\n*/\neditor.exportWindowCt = 0;\n/**\n* @type {boolean}\n*/\neditor.langChanged = false;\n/**\n* @type {boolean}\n*/\neditor.showSaveWarning = false;\n/**\n* @type {boolean}\n*/\neditor.storagePromptClosed = false; // For use with ext-storage.js\n\nconst callbacks = [],\n  /**\n  * @typedef {\"s\"|\"m\"|\"l\"|\"xl\"|Float} module:SVGEditor.IconSize\n  */\n  /**\n  * Preferences\n  * @interface module:SVGEditor.Prefs\n  * @property {string} [lang=\"en\"] Two-letter language code. The language must exist in the Editor Preferences language list. Defaults to \"en\" if `locale.js` detection does not detect another language.\n  * @property {module:SVGEditor.IconSize} [iconsize=\"s\"|\"m\"] Size of the toolbar icons. Will default to 's' if the window height is smaller than the minimum height and 'm' otherwise.\n  * @property {string} [bkgd_color=\"#FFF\"] Color hex for canvas background color. Defaults to white.\n  * @property {string} [bkgd_url=\"\"] Background raster image URL. This image will fill the background of the document; useful for tracing purposes.\n  * @property {\"embed\"|\"ref\"} [img_save=\"embed\"] Defines whether included raster images should be saved as Data URIs when possible, or as URL references. Settable in the Document Properties dialog.\n  * @property {boolean} [save_notice_done=false] Used to track alert status\n  * @property {boolean} [export_notice_done=false] Used to track alert status\n  * @todo `save_notice_done` and `export_notice_done` should be changed to flags rather than preferences\n  */\n  /**\n  * @namespace {module:SVGEditor.Prefs} defaultPrefs\n  * @memberof module:SVGEditor~\n  * @implements {module:SVGEditor.Prefs}\n  */\n  // The iteration algorithm for defaultPrefs does not currently support array/objects\n  defaultPrefs = /** @lends module:SVGEditor~defaultPrefs */ {\n    // EDITOR OPTIONS (DIALOG)\n    /**\n    * Default to \"en\" if locale.js detection does not detect another language\n    */\n    lang: '',\n    /**\n    * Will default to 's' if the window height is smaller than the minimum height and\n    * 'm' otherwise\n    */\n    iconsize: '',\n    bkgd_color: '#FFF',\n    bkgd_url: '',\n    // DOCUMENT PROPERTIES (DIALOG)\n    img_save: 'embed',\n    // ALERT NOTICES\n    // Only shows in UI as far as alert notices, but useful to remember, so keeping as pref\n    save_notice_done: false,\n    export_notice_done: false\n  },\n  /**\n  * @name module:SVGEditor~defaultExtensions\n  * @type {string[]}\n  */\n  defaultExtensions = [\n    'ext-connector.js',\n    'ext-eyedropper.js',\n    'ext-grid.js',\n    'ext-imagelib.js',\n    'ext-markers.js',\n    'ext-overview_window.js',\n    'ext-panning.js',\n    'ext-polygon.js',\n    'ext-shapes.js',\n    'ext-star.js',\n    'ext-storage.js'\n  ],\n  /**\n  * @typedef {\"@default\"|string} module:SVGEditor.Stylesheet `@default` will automatically load all of the default CSS paths for SVGEditor\n  */\n  /**\n  * @typedef {GenericArray} module:SVGEditor.XYDimensions\n  * @property {Integer} length 2\n  * @property {Float} 0\n  * @property {Float} 1\n  */\n  /**\n  * @tutorial ConfigOptions\n  * @interface module:SVGEditor.Config\n  * @property {string} [canvasName=\"default\"] Used to namespace storage provided via `ext-storage.js`; you can use this if you wish to have multiple independent instances of SVG Edit on the same domain\n  * @property {boolean} [no_save_warning=false] If `true`, prevents the warning dialog box from appearing when closing/reloading the page. Mostly useful for testing.\n  * @property {string} [imgPath=\"images/\"] The path where the SVG icons are located, with trailing slash. Note that as of version 2.7, this is not configurable by URL for security reasons.\n  * @property {string} [langPath=\"locale/\"] The path where the language files are located, with trailing slash. Default will be changed to `../dist/locale/` if this is a modular load. Note that as of version 2.7, this is not configurable by URL for security reasons.\n  * @property {string} [extPath=\"extensions/\"] The path used for extension files, with trailing slash. Default will be changed to `../dist/extensions/` if this is a modular load. Note that as of version 2.7, this is not configurable by URL for security reasons.\n  * @property {string} [canvgPath=\"canvg/\"] The path used for `canvg` files, with trailing slash. Default will be changed to `../dist/` if this is a modular load.\n  * @property {string} [jspdfPath=\"jspdf/\"] The path used for `jsPDF` files, with trailing slash. Default will be changed to `../dist/` if this is a modular load.\n  * @property {string} [extIconsPath=\"extensions/\"] The path used for extension icons, with trailing slash.\n  * @property {string} [jGraduatePath=\"jgraduate/images/\"] The path where jGraduate images are located. Note that as of version 2.7, this is not configurable by URL for security reasons.\n  * @property {boolean} [preventAllURLConfig=false] Set to `true` to override the ability for URLs to set non-content configuration (including extension config). Must be set early, i.e., in `svgedit-config-iife.js`; extension loading is too late!\n  * @property {boolean} [preventURLContentLoading=false] Set to `true` to override the ability for URLs to set URL-based SVG content. Must be set early, i.e., in `svgedit-config-iife.js`; extension loading is too late!\n  * @property {boolean} [lockExtensions=false] Set to `true` to override the ability for URLs to set their own extensions; disallowed in URL setting. There is no need for this when `preventAllURLConfig` is used. Must be set early, i.e., in `svgedit-config-iife.js`; extension loading is too late!\n  * @property {boolean} [noDefaultExtensions=false] If set to `true`, prohibits automatic inclusion of default extensions (though \"extensions\" can still be used to add back any desired default extensions along with any other extensions). This can only be meaningfully used in `svgedit-config-iife.js` or in the URL\n  * @property {boolean} [noStorageOnLoad=false] Some interaction with `ext-storage.js`; prevent even the loading of previously saved local storage.\n  * @property {boolean} [forceStorage=false] Some interaction with `ext-storage.js`; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not (and may be required by law in some regions)\n  * @property {boolean} [emptyStorageOnDecline=false] Used by `ext-storage.js`; empty any prior storage if the user declines to store\n  * @property {string[]} [extensions=module:SVGEditor~defaultExtensions] Extensions to load on startup. Use an array in `setConfig` and comma separated file names in the URL. Extension names must begin with \"ext-\". Note that as of version 2.7, paths containing \"/\", \"\\\", or \":\", are disallowed for security reasons. Although previous versions of this list would entirely override the default list, as of version 2.7, the defaults will always be added to this explicit list unless the configuration `noDefaultExtensions` is included.\n  * @property {module:SVGEditor.Stylesheet[]} [stylesheets=[\"@default\"]] An array of required stylesheets to load in parallel; include the value `\"@default\"` within this array to ensure all default stylesheets are loaded.\n  * @property {string[]} [allowedOrigins=[]] Used by `ext-xdomain-messaging.js` to indicate which origins are permitted for cross-domain messaging (e.g., between the embedded editor and main editor code). Besides explicit domains, one might add '*' to allow all domains (not recommended for privacy/data integrity of your user's content!), `window.location.origin` for allowing the same origin (should be safe if you trust all apps on your domain), 'null' to allow `file:///` URL usage\n  * @property {null|PlainObject} [colorPickerCSS=null] Object of CSS properties mapped to values (for jQuery) to apply to the color picker. See {@link http://api.jquery.com/css/#css-properties}. A `null` value (the default) will cause the CSS to default to `left` with a position equal to that of the `fill_color` or `stroke_color` element minus 140, and a `bottom` equal to 40\n  * @property {string} [paramurl] This was available via URL only. Allowed an un-encoded URL within the query string (use \"url\" or \"source\" with a data: URI instead)\n  * @property {Float} [canvas_expansion=3] The minimum area visible outside the canvas, as a multiple of the image dimensions. The larger the number, the more one can scroll outside the canvas.\n  * @property {PlainObject} [initFill] Init fill properties\n  * @property {string} [initFill.color=\"FF0000\"] The initial fill color. Must be a hex code string. Defaults to solid red.\n  * @property {Float} [initFill.opacity=1] The initial fill opacity. Must be a number between 0 and 1\n  * @property {PlainObject} [initStroke] Init stroke properties\n  * @property {Float} [initStroke.width=5] The initial stroke width. Must be a positive number.\n  * @property {string} [initStroke.color=\"000000\"] The initial stroke color. Must be a hex code. Defaults to solid black.\n  * @property {Float} [initStroke.opacity=1] The initial stroke opacity. Must be a number between 0 and 1.\n  * @property {PlainObject} text Text style properties\n  * @property {Float} [text.stroke_width=0] Text stroke width\n  * @property {Float} [text.font_size=24] Text font size\n  * @property {string} [text.font_family=\"serif\"] Text font family\n  * @property {Float} [initOpacity=1] Initial opacity (multiplied by 100)\n  * @property {module:SVGEditor.XYDimensions} [dimensions=[640, 480]] The default width/height of a new document. Use an array in `setConfig` (e.g., `[800, 600]`) and comma separated numbers in the URL.\n  * @property {boolean} [gridSnapping=false] Enable snap to grid by default. Set in Editor Options.\n  * @property {string} [gridColor=\"#000\"] Accepts hex, e.g., '#000'. Set in Editor Options. Defaults to black.\n  * @property {string} [baseUnit=\"px\"] Set in Editor Options.\n  * @property {Float} [snappingStep=10] Set the default grid snapping value. Set in Editor Options.\n  * @property {boolean} [showRulers=true] Initial state of ruler display (v2.6). Set in Editor Options.\n  * @property {string} [initTool=\"select\"] The initially selected tool. Must be either the ID of the button for the tool, or the ID without `tool_` prefix (e.g., \"select\").\n  * @property {boolean} [wireframe=false] Start in wireframe mode\n  * @property {boolean} [showlayers=false] Open the layers side-panel by default.\n  * @property {\"new\"|\"same\"} [exportWindowType=\"new\"] Can be \"new\" or \"same\" to indicate whether new windows will be generated for each export; the `window.name` of the export window is namespaced based on the `canvasName` (and incremented if \"new\" is selected as the type). Introduced 2.8.\n  * @property {boolean} [showGrid=false] Set by `ext-grid.js`; determines whether or not to show the grid by default\n  * @property {boolean} [show_outside_canvas=true] Defines whether or not elements outside the canvas should be visible. Set and used in `svgcanvas.js`.\n  * @property {boolean} [selectNew=true] If true, will replace the selection with the current element and automatically select element objects (when not in \"path\" mode) after they are created, showing their grips (v2.6). Set and used in `svgcanvas.js` (`mouseUp`).\n  * @todo Some others could be preferences as well (e.g., preventing URL changing of extensions, defaultExtensions, stylesheets, colorPickerCSS); Change the following to preferences and add pref controls where missing to the UI (e.g., `canvas_expansion`, `initFill`, `initStroke`, `text`, `initOpacity`, `dimensions`, `initTool`, `wireframe`, `showlayers`, `gridSnapping`, `gridColor`, `baseUnit`, `snappingStep`, `showRulers`, `exportWindowType`, `showGrid`, `show_outside_canvas`, `selectNew`)?\n  */\n  /**\n  * @namespace {module:SVGEditor.Config} defaultConfig\n  * @memberof module:SVGEditor~\n  * @implements {module:SVGEditor.Config}\n  */\n  defaultConfig = {\n    canvasName: 'default',\n    canvas_expansion: 3,\n    initFill: {\n      color: 'FF0000', // solid red\n      opacity: 1\n    },\n    initStroke: {\n      width: 5,\n      color: '000000', // solid black\n      opacity: 1\n    },\n    text: {\n      stroke_width: 0,\n      font_size: 24,\n      font_family: 'serif'\n    },\n    initOpacity: 1,\n    colorPickerCSS: null, // Defaults to 'left' with a position equal to that of the fill_color or stroke_color element minus 140, and a 'bottom' equal to 40\n    initTool: 'select',\n    exportWindowType: 'new', // 'same' (todo: also support 'download')\n    wireframe: false,\n    showlayers: false,\n    no_save_warning: false,\n    // PATH CONFIGURATION\n    // The following path configuration items are disallowed in the URL (as should any future path configurations)\n    imgPath: 'images/',\n    langPath: 'locale/', // Default will be changed if this is a modular load\n    extPath: 'extensions/', // Default will be changed if this is a modular load\n    canvgPath: 'canvg/', // Default will be changed if this is a modular load\n    jspdfPath: 'jspdf/', // Default will be changed if this is a modular load\n    extIconsPath: 'extensions/',\n    jGraduatePath: 'jgraduate/images/',\n    // DOCUMENT PROPERTIES\n    // Change the following to a preference (already in the Document Properties dialog)?\n    dimensions: [640, 480],\n    // EDITOR OPTIONS\n    // Change the following to preferences (already in the Editor Options dialog)?\n    gridSnapping: false,\n    gridColor: '#000',\n    baseUnit: 'px',\n    snappingStep: 10,\n    showRulers: true,\n    // URL BEHAVIOR CONFIGURATION\n    preventAllURLConfig: false,\n    preventURLContentLoading: false,\n    // EXTENSION CONFIGURATION (see also preventAllURLConfig)\n    lockExtensions: false, // Disallowed in URL setting\n    noDefaultExtensions: false, // noDefaultExtensions can only be meaningfully used in `svgedit-config-iife.js` or in the URL\n    // EXTENSION-RELATED (GRID)\n    showGrid: false, // Set by ext-grid.js\n    // EXTENSION-RELATED (STORAGE)\n    noStorageOnLoad: false, // Some interaction with ext-storage.js; prevent even the loading of previously saved local storage\n    forceStorage: false, // Some interaction with ext-storage.js; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not\n    emptyStorageOnDecline: false // Used by ext-storage.js; empty any prior storage if the user declines to store\n  },\n  /**\n  * LOCALE\n  * @name module:SVGEditor.uiStrings\n  * @type {PlainObject}\n  */\n  uiStrings = editor.uiStrings = {};\n\nlet svgCanvas, urldata,\n  isReady = false,\n  customExportImage = false,\n  customExportPDF = false,\n  curPrefs = {},\n  // Note: The difference between Prefs and Config is that Prefs\n  //   can be changed in the UI and are stored in the browser,\n  //   while config cannot\n  curConfig = {\n    // We do not put on defaultConfig to simplify object copying\n    //   procedures (we obtain instead from defaultExtensions)\n    extensions: [],\n    stylesheets: [],\n    /**\n    * Can use `location.origin` to indicate the current\n    * origin. Can contain a '*' to allow all domains or 'null' (as\n    * a string) to support all `file:///` URLs. Cannot be set by\n    * URL for security reasons (not safe, at least for\n    * privacy or data integrity of SVG content).\n    * Might have been fairly safe to allow\n    *   `new URL(location.href).origin` by default but\n    *   avoiding it ensures some more security that even third\n    *   party apps on the same domain also cannot communicate\n    *   with this app by default.\n    * For use with `ext-xdomain-messaging.js`\n    * @todo We might instead make as a user-facing preference.\n    */\n    allowedOrigins: []\n  };\n\nfunction loadSvgString (str, callback) {\n  const success = svgCanvas.setSvgString(str) !== false;\n  callback = callback || $.noop;\n  if (success) {\n    callback(true); // eslint-disable-line standard/no-callback-literal\n  } else {\n    $.alert(uiStrings.notification.errorLoadingSVG, function () {\n      callback(false); // eslint-disable-line standard/no-callback-literal\n    });\n  }\n}\n\n/**\n * @function module:SVGEditor~getImportLocale\n * @param {string} defaultLang\n * @param {string} defaultName\n * @returns {module:SVGEditor~ImportLocale}\n */\nfunction getImportLocale ({defaultLang, defaultName}) {\n  /**\n   * @function module:SVGEditor~ImportLocale\n   * @param {string} [name] Defaults to `defaultName` of {@link module:SVGEditor~getImportLocale}\n   * @param {string} [lang=defaultLang] Defaults to `defaultLang` of {@link module:SVGEditor~getImportLocale}\n   * @returns {Promise} Resolves to {@link module:locale.LocaleStrings}\n   */\n  return async function importLocale ({name = defaultName, lang = defaultLang} = {}) {\n    async function importLocale (lang) {\n      const url = `${curConfig.extPath}ext-locale/${name}/${lang}.js`;\n      return importSetGlobalDefault(url, {\n        global: `svgEditorExtensionLocale_${name}_${lang}`\n      });\n    }\n    try {\n      return importLocale(lang);\n    } catch (err) {\n      return importLocale('en');\n    }\n  };\n}\n\n/**\n* EXPORTS\n*/\n\n/**\n* Store and retrieve preferences\n* @param {string} key The preference name to be retrieved or set\n* @param {string} [val] The value. If the value supplied is missing or falsey, no change to the preference will be made.\n* @returns {string} If val is missing or falsey, the value of the previously stored preference will be returned.\n* @todo Can we change setting on the jQuery namespace (onto editor) to avoid conflicts?\n* @todo Review whether any remaining existing direct references to\n*  getting `curPrefs` can be changed to use `$.pref()` getting to ensure\n*  `defaultPrefs` fallback (also for sake of `allowInitialUserOverride`); specifically, `bkgd_color` could be changed so that\n*  the pref dialog has a button to auto-calculate background, but otherwise uses `$.pref()` to be able to get default prefs\n*  or overridable settings\n*/\n$.pref = function (key, val) {\n  if (val) {\n    curPrefs[key] = val;\n    /**\n    * @name curPrefs\n    * @memberof module:SVGEditor\n    * @implements {module:SVGEditor.Prefs}\n    */\n    editor.curPrefs = curPrefs; // Update exported value\n    return;\n  }\n  return (key in curPrefs) ? curPrefs[key] : defaultPrefs[key];\n};\n\n/*\n* EDITOR PUBLIC METHODS\n// Todo: Sort these methods per invocation order, ideally with init at the end\n// Todo: Prevent execution until init executes if dependent on it?\n*/\neditor.putLocale = putLocale;\neditor.readLang = readLang;\neditor.setStrings = setStrings;\n\n/**\n* Where permitted, sets canvas and/or `defaultPrefs` based on previous\n*  storage. This will override URL settings (for security reasons) but\n*  not `svgedit-config-iife.js` configuration (unless initial user\n*  overriding is explicitly permitted there via `allowInitialUserOverride`).\n* @todo Split `allowInitialUserOverride` into `allowOverrideByURL` and\n*  `allowOverrideByUserStorage` so `svgedit-config-iife.js` can disallow some\n*  individual items for URL setting but allow for user storage AND/OR\n*  change URL setting so that it always uses a different namespace,\n*  so it won't affect pre-existing user storage (but then if users saves\n*  that, it will then be subject to tampering\n* @returns {undefined}\n*/\neditor.loadContentAndPrefs = function () {\n  if (!curConfig.forceStorage &&\n    (curConfig.noStorageOnLoad ||\n        !document.cookie.match(/(?:^|;\\s*)store=(?:prefsAndContent|prefsOnly)/)\n    )\n  ) {\n    return;\n  }\n\n  // LOAD CONTENT\n  if (editor.storage && // Cookies do not have enough available memory to hold large documents\n    (curConfig.forceStorage ||\n      (!curConfig.noStorageOnLoad &&\n        document.cookie.match(/(?:^|;\\s*)store=prefsAndContent/))\n    )\n  ) {\n    const name = 'svgedit-' + curConfig.canvasName;\n    const cached = editor.storage.getItem(name);\n    if (cached) {\n      editor.loadFromString(cached);\n    }\n  }\n\n  // LOAD PREFS\n  for (const key in defaultPrefs) {\n    if (defaultPrefs.hasOwnProperty(key)) { // It's our own config, so we don't need to iterate up the prototype chain\n      const storeKey = 'svg-edit-' + key;\n      if (editor.storage) {\n        const val = editor.storage.getItem(storeKey);\n        if (val) {\n          defaultPrefs[key] = String(val); // Convert to string for FF (.value fails in Webkit)\n        }\n      } else if (window.widget) {\n        defaultPrefs[key] = window.widget.preferenceForKey(storeKey);\n      } else {\n        const result = document.cookie.match(new RegExp('(?:^|;\\\\s*)' + Utils.regexEscape(encodeURIComponent(storeKey)) + '=([^;]+)'));\n        defaultPrefs[key] = result ? decodeURIComponent(result[1]) : '';\n      }\n    }\n  }\n};\n\n/**\n* Allows setting of preferences or configuration (including extensions).\n* @param {module:SVGEditor.Config|module:SVGEditor.Prefs} opts The preferences or configuration (including extensions). See the tutorial on {@tutorial ConfigOptions} for info on config and preferences.\n* @param {PlainObject} [cfgCfg] Describes configuration which applies to the\n*    particular batch of supplied options\n* @param {boolean} [cfgCfg.allowInitialUserOverride=false] Set to true if you wish\n*  to allow initial overriding of settings by the user via the URL\n*  (if permitted) or previously stored preferences (if permitted);\n*  note that it will be too late if you make such calls in extension\n*  code because the URL or preference storage settings will\n*   have already taken place.\n* @param {boolean} [cfgCfg.overwrite=true] Set to false if you wish to\n*  prevent the overwriting of prior-set preferences or configuration\n*  (URL settings will always follow this requirement for security\n*  reasons, so `svgedit-config-iife.js` settings cannot be overridden unless it\n*  explicitly permits via `allowInitialUserOverride` but extension config\n*  can be overridden as they will run after URL settings). Should\n*   not be needed in `svgedit-config-iife.js`.\n* @returns {undefined}\n*/\neditor.setConfig = function (opts, cfgCfg) {\n  cfgCfg = cfgCfg || {};\n  function extendOrAdd (cfgObj, key, val) {\n    if (cfgObj[key] && typeof cfgObj[key] === 'object') {\n      $.extend(true, cfgObj[key], val);\n    } else {\n      cfgObj[key] = val;\n    }\n  }\n  $.each(opts, function (key, val) {\n    if (opts.hasOwnProperty(key)) {\n      // Only allow prefs defined in defaultPrefs\n      if (defaultPrefs.hasOwnProperty(key)) {\n        if (cfgCfg.overwrite === false && (\n          curConfig.preventAllURLConfig ||\n          curPrefs.hasOwnProperty(key)\n        )) {\n          return;\n        }\n        if (cfgCfg.allowInitialUserOverride === true) {\n          defaultPrefs[key] = val;\n        } else {\n          $.pref(key, val);\n        }\n      } else if (['extensions', 'stylesheets', 'allowedOrigins'].includes(key)) {\n        if (cfgCfg.overwrite === false &&\n          (\n            curConfig.preventAllURLConfig ||\n            ['allowedOrigins', 'stylesheets'].includes(key) ||\n            (key === 'extensions' && curConfig.lockExtensions)\n          )\n        ) {\n          return;\n        }\n        curConfig[key] = curConfig[key].concat(val); // We will handle any dupes later\n      // Only allow other curConfig if defined in defaultConfig\n      } else if (defaultConfig.hasOwnProperty(key)) {\n        if (cfgCfg.overwrite === false && (\n          curConfig.preventAllURLConfig ||\n          curConfig.hasOwnProperty(key)\n        )) {\n          return;\n        }\n        // Potentially overwriting of previously set config\n        if (curConfig.hasOwnProperty(key)) {\n          if (cfgCfg.overwrite === false) {\n            return;\n          }\n          extendOrAdd(curConfig, key, val);\n        } else {\n          if (cfgCfg.allowInitialUserOverride === true) {\n            extendOrAdd(defaultConfig, key, val);\n          } else {\n            if (defaultConfig[key] && typeof defaultConfig[key] === 'object') {\n              curConfig[key] = {};\n              $.extend(true, curConfig[key], val); // Merge properties recursively, e.g., on initFill, initStroke objects\n            } else {\n              curConfig[key] = val;\n            }\n          }\n        }\n      }\n    }\n  });\n  /**\n  * @name curConfig\n  * @memberof module:SVGEditor\n  * @implements {module:SVGEditor.Config}\n  */\n  editor.curConfig = curConfig; // Update exported value\n};\n\n/**\n* All methods are optional\n* @interface module:SVGEditor.CustomHandler\n* @type {PlainObject}\n*/\n/**\n* Its responsibilities are:\n*  - invoke a file chooser dialog in 'open' mode\n*  - let user pick a SVG file\n*  - calls [svgCanvas.setSvgString()]{@link module:svgcanvas.SvgCanvas#setSvgString} with the string contents of that file.\n* Not passed any parameters.\n* @function module:SVGEditor.CustomHandler#open\n* @returns {undefined}\n*/\n/**\n* Its responsibilities are:\n*  - accept the string contents of the current document\n*  - invoke a file chooser dialog in 'save' mode\n*  - save the file to location chosen by the user\n* @function module:SVGEditor.CustomHandler#save\n* @param {external:Window} win\n* @param {module:svgcanvas.SvgCanvas#event:saved} svgStr A string of the SVG\n* @listens module:svgcanvas.SvgCanvas#event:saved\n* @returns {undefined}\n*/\n/**\n* Its responsibilities (with regard to the object it is supplied in its 2nd argument) are:\n*  - inform user of any issues supplied via the \"issues\" property\n*  - convert the \"svg\" property SVG string into an image for export;\n*    utilize the properties \"type\" (currently 'PNG', 'JPEG', 'BMP',\n*    'WEBP', 'PDF'), \"mimeType\", and \"quality\" (for 'JPEG' and 'WEBP'\n*    types) to determine the proper output.\n* @function module:SVGEditor.CustomHandler#exportImage\n* @param {external:Window} win\n* @param {module:svgcanvas.SvgCanvas#event:exported} data\n* @listens module:svgcanvas.SvgCanvas#event:exported\n* @returns {undefined}\n*/\n/**\n* @function module:SVGEditor.CustomHandler#exportPDF\n* @param {external:Window} win\n* @param {module:svgcanvas.SvgCanvas#event:exportedPDF} data\n* @listens module:svgcanvas.SvgCanvas#event:exportedPDF\n* @returns {undefined}\n*/\n\n/**\n* Allows one to override default SVGEdit `open`, `save`, and\n* `export` editor behaviors.\n* @param {module:SVGEditor.CustomHandler} opts Extension mechanisms may call `setCustomHandlers` with three functions: `opts.open`, `opts.save`, and `opts.exportImage`\n* @returns {undefined}\n*/\neditor.setCustomHandlers = function (opts) {\n  editor.ready(function () {\n    if (opts.open) {\n      $('#tool_open > input[type=\"file\"]').remove();\n      $('#tool_open').show();\n      svgCanvas.open = opts.open;\n    }\n    if (opts.save) {\n      editor.showSaveWarning = false;\n      svgCanvas.bind('saved', opts.save);\n    }\n    if (opts.exportImage) {\n      customExportImage = opts.exportImage;\n      svgCanvas.bind('exported', customExportImage); // canvg and our RGBColor will be available to the method\n    }\n    if (opts.exportPDF) {\n      customExportPDF = opts.exportPDF;\n      svgCanvas.bind('exportedPDF', customExportPDF); // jsPDF and our RGBColor will be available to the method\n    }\n  });\n};\n\n/**\n* @param {boolean} arg\n* @returns {undefined}\n*/\neditor.randomizeIds = function (arg) {\n  return svgCanvas.randomizeIds(arg);\n};\n\n/**\n* Auto-run after a Promise microtask\n* @returns {undefined}\n*/\neditor.init = function () {\n  const modularVersion = !('svgEditor' in window) ||\n    !window.svgEditor ||\n    window.svgEditor.modules !== false;\n  if (!modularVersion) {\n    Object.assign(defaultConfig, {\n      langPath: '../dist/locale/',\n      extPath: '../dist/extensions/',\n      canvgPath: '../dist/',\n      jspdfPath: '../dist/'\n    });\n  }\n\n  // const host = location.hostname,\n  //  onWeb = host && host.includes('.');\n  // Some FF versions throw security errors here when directly accessing\n  try {\n    if ('localStorage' in window) { // && onWeb removed so Webkit works locally\n      /**\n      * The built-in interface implemented by `localStorage`\n      * @external Storage\n      */\n      /**\n      * @name storage\n      * @memberof module:SVGEditor\n      * @type {external:Storage}\n      */\n      editor.storage = localStorage;\n    }\n  } catch (err) {}\n\n  // Todo: Avoid const-defined functions and group functions together, etc. where possible\n  const goodLangs = [];\n  $('#lang_select option').each(function () {\n    goodLangs.push(this.value);\n  });\n\n  function setupCurPrefs () {\n    curPrefs = $.extend(true, {}, defaultPrefs, curPrefs); // Now safe to merge with priority for curPrefs in the event any are already set\n    // Export updated prefs\n    editor.curPrefs = curPrefs;\n  }\n  function setupCurConfig () {\n    curConfig = $.extend(true, {}, defaultConfig, curConfig); // Now safe to merge with priority for curConfig in the event any are already set\n\n    // Now deal with extensions and other array config\n    if (!curConfig.noDefaultExtensions) {\n      curConfig.extensions = curConfig.extensions.concat(defaultExtensions);\n    }\n    // ...and remove any dupes\n    ['extensions', 'stylesheets', 'allowedOrigins'].forEach(function (cfg) {\n      curConfig[cfg] = $.grep(curConfig[cfg], function (n, i) { // Supposedly faster than filter per http://amandeep1986.blogspot.hk/2015/02/jquery-grep-vs-js-filter.html\n        return i === curConfig[cfg].indexOf(n);\n      });\n    });\n    // Export updated config\n    editor.curConfig = curConfig;\n  }\n  (() => {\n    // Load config/data from URL if given\n    let src, qstr;\n    urldata = $.deparam.querystring(true);\n    if (!$.isEmptyObject(urldata)) {\n      if (urldata.dimensions) {\n        urldata.dimensions = urldata.dimensions.split(',');\n      }\n\n      if (urldata.bkgd_color) {\n        urldata.bkgd_color = '#' + urldata.bkgd_color;\n      }\n\n      if (urldata.extensions) {\n        // For security reasons, disallow cross-domain or cross-folder extensions via URL\n        urldata.extensions = urldata.extensions.match(/[:/\\\\]/) ? '' : urldata.extensions.split(',');\n      }\n\n      // Disallowing extension paths via URL for\n      // security reasons, even for same-domain\n      // ones given potential to interact in undesirable\n      // ways with other script resources\n      [\n        'extPath', 'imgPath', 'extIconsPath', 'canvgPath',\n        'langPath', 'jGraduatePath', 'jspdfPath'\n      ].forEach(function (pathConfig) {\n        if (urldata[pathConfig]) {\n          delete urldata[pathConfig];\n        }\n      });\n\n      editor.setConfig(urldata, {overwrite: false}); // Note: source and url (as with storagePrompt later) are not set on config but are used below\n\n      setupCurConfig();\n\n      if (!curConfig.preventURLContentLoading) {\n        src = urldata.source;\n        qstr = $.param.querystring();\n        if (!src) { // urldata.source may have been null if it ended with '='\n          if (qstr.includes('source=data:')) {\n            src = qstr.match(/source=(data:[^&]*)/)[1];\n          }\n        }\n        if (src) {\n          if (src.startsWith('data:')) {\n            editor.loadFromDataURI(src);\n          } else {\n            editor.loadFromString(src);\n          }\n          return;\n        }\n        if (urldata.url) {\n          editor.loadFromURL(urldata.url);\n          return;\n        }\n      }\n      if (!urldata.noStorageOnLoad || curConfig.forceStorage) {\n        editor.loadContentAndPrefs();\n      }\n    } else {\n      setupCurConfig();\n      editor.loadContentAndPrefs();\n    }\n    setupCurPrefs();\n  })();\n\n  /**\n  * Called internally\n  * @param {string|Element|external:jQuery} elem\n  * @param {string|external:jQuery} iconId\n  * @param {Float} forcedSize Not in use\n  * @returns {undefined}\n  */\n  const setIcon = editor.setIcon = function (elem, iconId, forcedSize) {\n    const icon = (typeof iconId === 'string') ? $.getSvgIcon(iconId, true) : iconId.clone();\n    if (!icon) {\n      console.log('NOTE: Icon image missing: ' + iconId);\n      return;\n    }\n    $(elem).empty().append(icon);\n  };\n\n  /**\n   * @fires module:svgcanvas.SvgCanvas#event:ext-addLangData\n   * @fires module:svgcanvas.SvgCanvas#event:ext-langReady\n   * @fires module:svgcanvas.SvgCanvas#event:ext-langChanged\n   * @fires module:svgcanvas.SvgCanvas#event:extensions_added\n   * @returns {Promise} Resolves to result of {@link module:locale.readLang}\n   */\n  const extAndLocaleFunc = async function () {\n    // const lang = ('lang' in curPrefs) ? curPrefs.lang : null;\n    const {langParam, langData} = await editor.putLocale(null, goodLangs, curConfig);\n    setLang(langParam, langData);\n\n    try {\n      await Promise.all(\n        curConfig.extensions.map(async (extname) => {\n          const extName = extname.match(/^ext-(.+)\\.js/);\n          if (!extName) { // Ensure URL cannot specify some other unintended file in the extPath\n            return;\n          }\n          const url = curConfig.extPath + extname;\n          // Todo: Replace this with `return import(url);` when\n          //   `import()` widely supported\n          /**\n           * @tutorial ExtensionDocs\n           * @typedef {PlainObject} module:SVGEditor.ExtensionObject\n           * @property {string} [name] Name of the extension. Used internally; no need for i18n. Defaults to extension name without beginning \"ext-\" or ending \".js\".\n           * @property {module:svgcanvas.ExtensionInitCallback} [init]\n           */\n          try {\n            /**\n             * @type {module:SVGEditor.ExtensionObject}\n             */\n            const imported = await importSetGlobalDefault(url, {\n              global: 'svgEditorExtension_' + extName[1].replace(/-/g, '_')\n            });\n            const {name = extName[1], init} = imported;\n            const importLocale = getImportLocale({defaultLang: langParam, defaultName: name});\n            return editor.addExtension(name, (init && init.bind(editor)), importLocale);\n          } catch (err) {\n            console.log(err);\n            console.error('Extension failed to load: ' + extname + '; ' + err);\n          }\n        })\n      );\n      svgCanvas.bind('extensions_added',\n        /**\n        * @param {external:Window} win\n        * @param {module:svgcanvas.SvgCanvas#event:extensions_added} data\n        * @listens module:svgcanvas.SvgCanvas#event:extensions_added\n        * @returns {undefined}\n        */\n        (win, data) => {\n          extensionsAdded = true;\n          Actions.setAll();\n\n          $('.flyout_arrow_horiz:empty').each(function () {\n            $(this).append($.getSvgIcon('arrow_right', true).width(5).height(5));\n          });\n          messageQueue.forEach(\n            /**\n             * @param {module:svgcanvas.SvgCanvas#event:message} messageObj\n             * @fires module:svgcanvas.SvgCanvas#event:message\n             * @returns {undefined}\n             */\n            (messageObj) => {\n              svgCanvas.call('message', messageObj);\n            }\n          );\n        }\n      );\n      svgCanvas.call('extensions_added');\n    } catch (err) {\n      console.log(err);\n    }\n  };\n\n  const stateObj = {tool_scale: editor.tool_scale};\n\n  const setFlyoutPositions = function () {\n    $('.tools_flyout').each(function () {\n      const shower = $('#' + this.id + '_show');\n      const {left, top} = shower.offset();\n      const w = shower.outerWidth();\n      $(this).css({left: (left + w) * editor.tool_scale, top});\n    });\n  };\n\n  const uaPrefix = (function () {\n    const regex = /^(Moz|Webkit|Khtml|O|ms|Icab)(?=[A-Z])/;\n    const someScript = document.getElementsByTagName('script')[0];\n    for (const prop in someScript.style) {\n      if (regex.test(prop)) {\n        // test is faster than match, so it's better to perform\n        // that on the lot and match only when necessary\n        return prop.match(regex)[0];\n      }\n    }\n    // Nothing found so far?\n    if ('WebkitOpacity' in someScript.style) { return 'Webkit'; }\n    if ('KhtmlOpacity' in someScript.style) { return 'Khtml'; }\n\n    return '';\n  }());\n\n  const scaleElements = function (elems, scale) {\n    // const prefix = '-' + uaPrefix.toLowerCase() + '-'; // Currently unused\n    const sides = ['top', 'left', 'bottom', 'right'];\n\n    elems.each(function () {\n      // Handled in CSS\n      // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';\n      const el = $(this);\n      const w = el.outerWidth() * (scale - 1);\n      const h = el.outerHeight() * (scale - 1);\n      // const margins = {}; // Currently unused\n\n      for (let i = 0; i < 4; i++) {\n        const s = sides[i];\n        let cur = el.data('orig_margin-' + s);\n        if (cur == null) {\n          cur = parseInt(el.css('margin-' + s), 10);\n          // Cache the original margin\n          el.data('orig_margin-' + s, cur);\n        }\n        let val = cur * scale;\n        if (s === 'right') {\n          val += w;\n        } else if (s === 'bottom') {\n          val += h;\n        }\n\n        el.css('margin-' + s, val);\n        // el.css('outline', '1px solid red');\n      }\n    });\n  };\n\n  /**\n  * Called internally.\n  * @param {module:SVGEditor.IconSize} size\n  * @returns {undefined}\n  */\n  const setIconSize = editor.setIconSize = function (size) {\n    // const elems = $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open');\n    const selToscale = '#tools_top .toolset, #editor_panel > *, #history_panel > *,' +\n  '        #main_button, #tools_left > *, #path_node_panel > *, #multiselected_panel > *,' +\n  '        #g_panel > *, #tool_font_size > *, .tools_flyout';\n\n    const elems = $(selToscale);\n\n    let scale = 1;\n    if (typeof size === 'number') {\n      scale = size;\n    } else {\n      const iconSizes = {s: 0.75, m: 1, l: 1.25, xl: 1.5};\n      scale = iconSizes[size];\n    }\n\n    stateObj.tool_scale = editor.tool_scale = scale;\n\n    setFlyoutPositions();\n    // $('.tools_flyout').each(function () {\n    //   const pos = $(this).position();\n    //   console.log($(this), pos.left+(34 * scale));\n    //   $(this).css({left: pos.left+(34 * scale), top: pos.top+(77 * scale)});\n    //   console.log('l', $(this).css('left'));\n    // });\n    //\n    // const scale = .75;\n\n    const hiddenPs = elems.parents(':hidden');\n    hiddenPs.css('visibility', 'hidden').show();\n    scaleElements(elems, scale);\n    hiddenPs.css('visibility', 'visible').hide();\n    // return;\n\n    $.pref('iconsize', size);\n    $('#iconsize').val(size);\n\n    // Change icon size\n    // $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open')\n    // .find('> svg, > img').each(function () {\n    //   this.setAttribute('width',size_num);\n    //   this.setAttribute('height',size_num);\n    // });\n    //\n    // $.resizeSvgIcons({\n    //   '.flyout_arrow_horiz > svg, .flyout_arrow_horiz > img': size_num / 5,\n    //   '#logo > svg, #logo > img': size_num * 1.3,\n    //   '#tools_bottom .icon_label > *': (size_num === 16 ? 18 : size_num * .75)\n    // });\n    // if (size != 's') {\n    //   $.resizeSvgIcons({'#layerbuttons svg, #layerbuttons img': size_num * .6});\n    // }\n\n    // Note that all rules will be prefixed with '#svg_editor' when parsed\n    const cssResizeRules = {\n      // '.tool_button,\\\n      // .push_button,\\\n      // .tool_button_current,\\\n      // .push_button_pressed,\\\n      // .disabled,\\\n      // .icon_label,\\\n      // .tools_flyout .tool_button': {\n      //   width: {s: '16px', l: '32px', xl: '48px'},\n      //   height: {s: '16px', l: '32px', xl: '48px'},\n      //   padding: {s: '1px', l: '2px', xl: '3px'}\n      // },\n      // '.tool_sep': {\n      //   height: {s: '16px', l: '32px', xl: '48px'},\n      //   margin: {s: '2px 2px', l: '2px 5px', xl: '2px 8px'}\n      // },\n      // '#main_icon': {\n      //   width: {s: '31px', l: '53px', xl: '75px'},\n      //   height: {s: '22px', l: '42px', xl: '64px'}\n      // },\n      '#tools_top': {\n        left: 50 + $('#main_button').width(),\n        height: 72\n      },\n      '#tools_left': {\n        width: 31,\n        top: 74\n      },\n      'div#workarea': {\n        left: 38,\n        top: 74\n      }\n      // '#tools_bottom': {\n      //   left: {s: '27px', l: '46px', xl: '65px'},\n      //   height: {s: '58px', l: '98px', xl: '145px'}\n      // },\n      // '#color_tools': {\n      //   'border-spacing': {s: '0 1px'},\n      //   'margin-top': {s: '-1px'}\n      // },\n      // '#color_tools .icon_label': {\n      //   width: {l:'43px', xl: '60px'}\n      // },\n      // '.color_tool': {\n      //   height: {s: '20px'}\n      // },\n      // '#tool_opacity': {\n      //   top: {s: '1px'},\n      //   height: {s: 'auto', l:'auto', xl:'auto'}\n      // },\n      // '#tools_top input, #tools_bottom input': {\n      //   'margin-top': {s: '2px', l: '4px', xl: '5px'},\n      //   height: {s: 'auto', l: 'auto', xl: 'auto'},\n      //   border: {s: '1px solid #555', l: 'auto', xl: 'auto'},\n      //   'font-size': {s: '.9em', l: '1.2em', xl: '1.4em'}\n      // },\n      // '#zoom_panel': {\n      //   'margin-top': {s: '3px', l: '4px', xl: '5px'}\n      // },\n      // '#copyright, #tools_bottom .label': {\n      //   'font-size': {l: '1.5em', xl: '2em'},\n      //   'line-height': {s: '15px'}\n      // },\n      // '#tools_bottom_2': {\n      //   width: {l: '295px', xl: '355px'},\n      //   top: {s: '4px'}\n      // },\n      // '#tools_top > div, #tools_top': {\n      //   'line-height': {s: '17px', l: '34px', xl: '50px'}\n      // },\n      // '.dropdown button': {\n      //   height: {s: '18px', l: '34px', xl: '40px'},\n      //   'line-height': {s: '18px', l: '34px', xl: '40px'},\n      //   'margin-top': {s: '3px'}\n      // },\n      // '#tools_top label, #tools_bottom label': {\n      //   'font-size': {s: '1em', l: '1.5em', xl: '2em'},\n      //   height: {s: '25px', l: '42px', xl: '64px'}\n      // },\n      // 'div.toolset': {\n      //   height: {s: '25px', l: '42px', xl: '64px'}\n      // },\n      // '#tool_bold, #tool_italic': {\n      //   'font-size': {s: '1.5em', l: '3em', xl: '4.5em'}\n      // },\n      // '#sidepanels': {\n      //   top: {s: '50px', l: '88px', xl: '125px'},\n      //   bottom: {s: '51px', l: '68px', xl: '65px'}\n      // },\n      // '#layerbuttons': {\n      //   width: {l: '130px', xl: '175px'},\n      //   height: {l: '24px', xl: '30px'}\n      // },\n      // '#layerlist': {\n      //   width: {l: '128px', xl: '150px'}\n      // },\n      // '.layer_button': {\n      //   width: {l: '19px', xl: '28px'},\n      //   height: {l: '19px', xl: '28px'}\n      // },\n      // 'input.spin-button': {\n      //   'background-image': {l: 'url('images/spinbtn_updn_big.png')', xl: 'url('images/spinbtn_updn_big.png')'},\n      //   'background-position': {l: '100% -5px', xl: '100% -2px'},\n      //   'padding-right': {l: '24px', xl: '24px' }\n      // },\n      // 'input.spin-button.up': {\n      //   'background-position': {l: '100% -45px', xl: '100% -42px'}\n      // },\n      // 'input.spin-button.down': {\n      //   'background-position': {l: '100% -85px', xl: '100% -82px'}\n      // },\n      // '#position_opts': {\n      //   width: {all: (size_num*4) +'px'}\n      // }\n    };\n\n    let ruleElem = $('#tool_size_rules');\n    if (!ruleElem.length) {\n      ruleElem = $('<style id=\"tool_size_rules\"></style>').appendTo('head');\n    } else {\n      ruleElem.empty();\n    }\n\n    if (size !== 'm') {\n      let styleStr = '';\n      $.each(cssResizeRules, function (selector, rules) {\n        selector = '#svg_editor ' + selector.replace(/,/g, ', #svg_editor');\n        styleStr += selector + '{';\n        $.each(rules, function (prop, values) {\n          let val;\n          if (typeof values === 'number') {\n            val = (values * scale) + 'px';\n          } else if (values[size] || values.all) {\n            val = (values[size] || values.all);\n          }\n          styleStr += (prop + ':' + val + ';');\n        });\n        styleStr += '}';\n      });\n      // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';\n      const prefix = '-' + uaPrefix.toLowerCase() + '-';\n      styleStr += (selToscale + '{' + prefix + 'transform: scale(' + scale + ');}' +\n        ' #svg_editor div.toolset .toolset {' + prefix + 'transform: scale(1); margin: 1px !important;}' + // Hack for markers\n        ' #svg_editor .ui-slider {' + prefix + 'transform: scale(' + (1 / scale) + ');}' // Hack for sliders\n      );\n      ruleElem.text(styleStr);\n    }\n\n    setFlyoutPositions();\n  };\n  $.svgIcons(curConfig.imgPath + 'svg_edit_icons.svg', {\n    w: 24, h: 24,\n    id_match: false,\n    no_img: !isWebkit(), // Opera & Firefox 4 gives odd behavior w/images\n    fallback_path: curConfig.imgPath,\n    fallback: {\n      logo: 'logo.png',\n\n      select: 'select.png',\n      select_node: 'select_node.png',\n\n      square: 'square.png',\n      rect: 'rect.png',\n      fh_rect: 'freehand-square.png',\n      circle: 'circle.png',\n      ellipse: 'ellipse.png',\n      fh_ellipse: 'freehand-circle.png',\n      pencil: 'fhpath.png',\n      pen: 'line.png',\n      text: 'text.png',\n      path: 'path.png',\n      add_subpath: 'add_subpath.png',\n      close_path: 'closepath.png',\n      open_path: 'openpath.png',\n\n      image: 'image.png',\n      zoom: 'zoom.png',\n\n      arrow_right: 'flyouth.png',\n      arrow_right_big: 'arrow_right_big.png',\n      arrow_down: 'dropdown.gif',\n      fill: 'fill.png',\n      stroke: 'stroke.png',\n      opacity: 'opacity.png',\n\n      new_image: 'clear.png',\n      save: 'save.png',\n      export: 'export.png',\n      open: 'open.png',\n      import: 'import.png',\n      docprops: 'document-properties.png',\n      source: 'source.png',\n      wireframe: 'wireframe.png',\n\n      undo: 'undo.png',\n      redo: 'redo.png',\n\n      clone: 'clone.png',\n      delete: 'delete.png',\n      go_up: 'go-up.png',\n      go_down: 'go-down.png',\n      context_menu: 'context_menu.png',\n      move_bottom: 'move_bottom.png',\n      move_top: 'move_top.png',\n      to_path: 'to_path.png',\n      link_controls: 'link_controls.png',\n      reorient: 'reorient.png',\n      group_elements: 'shape_group_elements.png',\n\n      ungroup: 'shape_ungroup.png',\n      unlink_use: 'unlink_use.png',\n      width: 'width.png',\n      height: 'height.png',\n      c_radius: 'c_radius.png',\n      angle: 'angle.png',\n      blur: 'blur.png',\n      fontsize: 'fontsize.png',\n      align: 'align.png',\n\n      align_left: 'align-left.png',\n      align_center: 'align-center.png',\n      align_right: 'align-right.png',\n      align_top: 'align-top.png',\n      align_middle: 'align-middle.png',\n      align_bottom: 'align-bottom.png',\n\n      linecap_butt: 'linecap_butt.png',\n      linecap_square: 'linecap_square.png',\n      linecap_round: 'linecap_round.png',\n      linejoin_miter: 'linejoin_miter.png',\n      linejoin_bevel: 'linejoin_bevel.png',\n      linejoin_round: 'linejoin_round.png',\n      eye: 'eye.png',\n      no_color: 'no_color.png',\n\n      ok: 'save.png',\n      cancel: 'cancel.png',\n      warning: 'warning.png',\n\n      node_delete: 'node_delete.png',\n      node_clone: 'node_clone.png',\n\n      globe_link: 'globe_link.png'\n    },\n    placement: {\n      '#logo': 'logo',\n\n      '#tool_clear div,#layer_new': 'new_image',\n      '#tool_save div': 'save',\n      '#tool_export div': 'export',\n      '#tool_open div div': 'open',\n      '#tool_import div div': 'import',\n      '#tool_source': 'source',\n      '#tool_docprops > div': 'docprops',\n      '#tool_wireframe': 'wireframe',\n\n      '#tool_undo': 'undo',\n      '#tool_redo': 'redo',\n\n      '#tool_select': 'select',\n      '#tool_fhpath': 'pencil',\n      '#tool_line': 'pen',\n      '#tool_rect,#tools_rect_show': 'rect',\n      '#tool_square': 'square',\n      '#tool_fhrect': 'fh_rect',\n      '#tool_ellipse,#tools_ellipse_show': 'ellipse',\n      '#tool_circle': 'circle',\n      '#tool_fhellipse': 'fh_ellipse',\n      '#tool_path': 'path',\n      '#tool_text,#layer_rename': 'text',\n      '#tool_image': 'image',\n      '#tool_zoom': 'zoom',\n\n      '#tool_clone,#tool_clone_multi': 'clone',\n      '#tool_node_clone': 'node_clone',\n      '#layer_delete,#tool_delete,#tool_delete_multi': 'delete',\n      '#tool_node_delete': 'node_delete',\n      '#tool_add_subpath': 'add_subpath',\n      '#tool_openclose_path': 'open_path',\n      '#tool_move_top': 'move_top',\n      '#tool_move_bottom': 'move_bottom',\n      '#tool_topath': 'to_path',\n      '#tool_node_link': 'link_controls',\n      '#tool_reorient': 'reorient',\n      '#tool_group_elements': 'group_elements',\n      '#tool_ungroup': 'ungroup',\n      '#tool_unlink_use': 'unlink_use',\n\n      '#tool_alignleft, #tool_posleft': 'align_left',\n      '#tool_aligncenter, #tool_poscenter': 'align_center',\n      '#tool_alignright, #tool_posright': 'align_right',\n      '#tool_aligntop, #tool_postop': 'align_top',\n      '#tool_alignmiddle, #tool_posmiddle': 'align_middle',\n      '#tool_alignbottom, #tool_posbottom': 'align_bottom',\n      '#cur_position': 'align',\n\n      '#linecap_butt,#cur_linecap': 'linecap_butt',\n      '#linecap_round': 'linecap_round',\n      '#linecap_square': 'linecap_square',\n\n      '#linejoin_miter,#cur_linejoin': 'linejoin_miter',\n      '#linejoin_round': 'linejoin_round',\n      '#linejoin_bevel': 'linejoin_bevel',\n\n      '#url_notice': 'warning',\n\n      '#layer_up': 'go_up',\n      '#layer_down': 'go_down',\n      '#layer_moreopts': 'context_menu',\n      '#layerlist td.layervis': 'eye',\n\n      '#tool_source_save,#tool_docprops_save,#tool_prefs_save': 'ok',\n      '#tool_source_cancel,#tool_docprops_cancel,#tool_prefs_cancel': 'cancel',\n\n      '#rwidthLabel, #iwidthLabel': 'width',\n      '#rheightLabel, #iheightLabel': 'height',\n      '#cornerRadiusLabel span': 'c_radius',\n      '#angleLabel': 'angle',\n      '#linkLabel,#tool_make_link,#tool_make_link_multi': 'globe_link',\n      '#zoomLabel': 'zoom',\n      '#tool_fill label': 'fill',\n      '#tool_stroke .icon_label': 'stroke',\n      '#group_opacityLabel': 'opacity',\n      '#blurLabel': 'blur',\n      '#font_sizeLabel': 'fontsize',\n\n      '.flyout_arrow_horiz': 'arrow_right',\n      '.dropdown button, #main_button .dropdown': 'arrow_down',\n      '#palette .palette_item:first, #fill_bg, #stroke_bg': 'no_color'\n    },\n    resize: {\n      '#logo .svg_icon': 28,\n      '.flyout_arrow_horiz .svg_icon': 5,\n      '.layer_button .svg_icon, #layerlist td.layervis .svg_icon': 14,\n      '.dropdown button .svg_icon': 7,\n      '#main_button .dropdown .svg_icon': 9,\n      '.palette_item:first .svg_icon': 15,\n      '#fill_bg .svg_icon, #stroke_bg .svg_icon': 16,\n      '.toolbar_button button .svg_icon': 16,\n      '.stroke_tool div div .svg_icon': 20,\n      '#tools_bottom label .svg_icon': 18\n    },\n    callback (icons) {\n      $('.toolbar_button button > svg, .toolbar_button button > img').each(function () {\n        $(this).parent().prepend(this);\n      });\n\n      const tleft = $('#tools_left');\n\n      let minHeight;\n      if (tleft.length) {\n        minHeight = tleft.offset().top + tleft.outerHeight();\n      }\n\n      const size = $.pref('iconsize');\n      editor.setIconSize(size || ($(window).height() < minHeight ? 's' : 'm'));\n\n      // Look for any missing flyout icons from plugins\n      $('.tools_flyout').each(function () {\n        const shower = $('#' + this.id + '_show');\n        const sel = shower.attr('data-curopt');\n        // Check if there's an icon here\n        if (!shower.children('svg, img').length) {\n          const clone = $(sel).children().clone();\n          if (clone.length) {\n            clone[0].removeAttribute('style'); // Needed for Opera\n            shower.append(clone);\n          }\n        }\n      });\n\n      function getStylesheetPriority (stylesheet) {\n        switch (stylesheet) {\n        case 'jgraduate/css/jPicker.css':\n          return 1;\n        case 'jgraduate/css/jGraduate.css':\n          return 2;\n        case 'svg-editor.css':\n          return 3;\n        case 'spinbtn/jQuery.SpinButton.css':\n          return 4;\n        default:\n          return Infinity;\n        }\n      }\n      let stylesheets = $.loadingStylesheets.sort((a, b) => {\n        const priorityA = getStylesheetPriority(a);\n        const priorityB = getStylesheetPriority(b);\n        if (priorityA === priorityB) {\n          return 0;\n        }\n        return priorityA > priorityB;\n      });\n      if (curConfig.stylesheets.length) {\n        // Ensure a copy with unique items\n        stylesheets = [...new Set(curConfig.stylesheets)];\n        const idx = stylesheets.indexOf('@default');\n        if (idx > -1) {\n          stylesheets.splice(idx, 1, ...$.loadingStylesheets);\n        }\n      }\n      loadStylesheets(stylesheets, {acceptErrors: ({stylesheetURL, reject, resolve}) => {\n        if ($.loadingStylesheets.includes(stylesheetURL)) {\n          reject(new Error(`Missing expected stylesheet: ${stylesheetURL}`));\n          return;\n        }\n        resolve();\n      }}).then(() => {\n        $('#svg_container')[0].style.visibility = 'visible';\n        editor.runCallbacks();\n      });\n    }\n  });\n\n  /**\n  * @name module:SVGEditor.canvas\n  * @type {module:svgcanvas.SvgCanvas}\n  */\n  editor.canvas = svgCanvas = new SvgCanvas(\n    document.getElementById('svgcanvas'),\n    curConfig\n  );\n  const palette = [ // Todo: Make into configuration item?\n      '#000000', '#3f3f3f', '#7f7f7f', '#bfbfbf', '#ffffff',\n      '#ff0000', '#ff7f00', '#ffff00', '#7fff00',\n      '#00ff00', '#00ff7f', '#00ffff', '#007fff',\n      '#0000ff', '#7f00ff', '#ff00ff', '#ff007f',\n      '#7f0000', '#7f3f00', '#7f7f00', '#3f7f00',\n      '#007f00', '#007f3f', '#007f7f', '#003f7f',\n      '#00007f', '#3f007f', '#7f007f', '#7f003f',\n      '#ffaaaa', '#ffd4aa', '#ffffaa', '#d4ffaa',\n      '#aaffaa', '#aaffd4', '#aaffff', '#aad4ff',\n      '#aaaaff', '#d4aaff', '#ffaaff', '#ffaad4'\n    ],\n    modKey = (isMac() ? 'meta+' : 'ctrl+'), // ⌘\n    path = svgCanvas.pathActions,\n    {undoMgr} = svgCanvas,\n    workarea = $('#workarea'),\n    canvMenu = $('#cmenu_canvas'),\n    // layerMenu = $('#cmenu_layers'), // Unused\n    paintBox = {fill: null, stroke: null};\n\n  let resizeTimer, curScrollPos;\n  let exportWindow = null,\n    defaultImageURL = curConfig.imgPath + 'logo.png',\n    zoomInIcon = 'crosshair',\n    zoomOutIcon = 'crosshair',\n    uiContext = 'toolbars';\n\n  // For external openers\n  (function () {\n    // let the opener know SVG Edit is ready (now that config is set up)\n    const w = window.opener || window.parent;\n    if (w) {\n      try {\n        /**\n         * Triggered on a containing `document` (of `window.opener`\n         * or `window.parent`) when the editor is loaded.\n         * @event module:SVGEditor#event:svgEditorReadyEvent\n         * @type {Event}\n         * @property {true} bubbles\n         * @property {true} cancelable\n         */\n        /**\n         * @name module:SVGEditor.svgEditorReadyEvent\n         * @type {module:SVGEditor#event:svgEditorReadyEvent}\n         */\n        const svgEditorReadyEvent = new w.CustomEvent('svgEditorReady', {\n          bubbles: true,\n          cancelable: true\n        });\n        w.document.documentElement.dispatchEvent(svgEditorReadyEvent);\n      } catch (e) {}\n    }\n  }());\n\n  // This sets up alternative dialog boxes. They mostly work the same way as\n  // their UI counterparts, expect instead of returning the result, a callback\n  // needs to be included that returns the result as its first parameter.\n  // In the future we may want to add additional types of dialog boxes, since\n  // they should be easy to handle this way.\n  (function () {\n    $('#dialog_container').draggable({\n      cancel: '#dialog_content, #dialog_buttons *',\n      containment: 'window'\n    }).css('position', 'absolute');\n    const box = $('#dialog_box'),\n      btnHolder = $('#dialog_buttons'),\n      dialogContent = $('#dialog_content'),\n      dbox = function (type, msg, callback, defaultVal, opts, changeCb, checkbox) {\n        dialogContent.html('<p>' + msg.replace(/\\n/g, '</p><p>') + '</p>')\n          .toggleClass('prompt', (type === 'prompt'));\n        btnHolder.empty();\n\n        const ok = $('<input type=\"button\" value=\"' + uiStrings.common.ok + '\">').appendTo(btnHolder);\n\n        if (type !== 'alert') {\n          $('<input type=\"button\" value=\"' + uiStrings.common.cancel + '\">')\n            .appendTo(btnHolder)\n            .click(function () {\n              box.hide();\n              if (callback) {\n                callback(false); // eslint-disable-line standard/no-callback-literal\n              }\n            });\n        }\n\n        let ctrl, chkbx;\n        if (type === 'prompt') {\n          ctrl = $('<input type=\"text\">').prependTo(btnHolder);\n          ctrl.val(defaultVal || '');\n          ctrl.bind('keydown', 'return', function () { ok.click(); });\n        } else if (type === 'select') {\n          const div = $('<div style=\"text-align:center;\">');\n          ctrl = $('<select>').appendTo(div);\n          if (checkbox) {\n            const label = $('<label>').text(checkbox.label);\n            chkbx = $('<input type=\"checkbox\">').appendTo(label);\n            chkbx.val(checkbox.value);\n            if (checkbox.tooltip) {\n              label.attr('title', checkbox.tooltip);\n            }\n            chkbx.prop('checked', !!checkbox.checked);\n            div.append($('<div>').append(label));\n          }\n          $.each(opts || [], function (opt, val) {\n            if (typeof val === 'object') {\n              ctrl.append($('<option>').val(val.value).html(val.text));\n            } else {\n              ctrl.append($('<option>').html(val));\n            }\n          });\n          dialogContent.append(div);\n          if (defaultVal) {\n            ctrl.val(defaultVal);\n          }\n          if (changeCb) {\n            ctrl.bind('change', 'return', changeCb);\n          }\n          ctrl.bind('keydown', 'return', function () { ok.click(); });\n        } else if (type === 'process') {\n          ok.hide();\n        }\n\n        box.show();\n\n        ok.click(function () {\n          box.hide();\n          const resp = (type === 'prompt' || type === 'select') ? ctrl.val() : true;\n          if (callback) {\n            if (chkbx) {\n              callback(resp, chkbx.prop('checked'));\n            } else {\n              callback(resp);\n            }\n          }\n        }).focus();\n\n        if (type === 'prompt' || type === 'select') {\n          ctrl.focus();\n        }\n      };\n\n    $.alert = function (msg, cb) { dbox('alert', msg, cb); };\n    $.confirm = function (msg, cb) { dbox('confirm', msg, cb); };\n    $.process_cancel = function (msg, cb) { dbox('process', msg, cb); };\n    $.prompt = function (msg, txt, cb) { dbox('prompt', msg, cb, txt); };\n    $.select = function (msg, opts, cb, changeCb, txt, checkbox) { dbox('select', msg, cb, txt, opts, changeCb, checkbox); };\n  }());\n\n  const setSelectMode = function () {\n    const curr = $('.tool_button_current');\n    if (curr.length && curr[0].id !== 'tool_select') {\n      curr.removeClass('tool_button_current').addClass('tool_button');\n      $('#tool_select').addClass('tool_button_current').removeClass('tool_button');\n      $('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all} #svgcanvas svg{cursor:default}');\n    }\n    svgCanvas.setMode('select');\n    workarea.css('cursor', 'auto');\n  };\n\n  // used to make the flyouts stay on the screen longer the very first time\n  // const flyoutspeed = 1250; // Currently unused\n  // let textBeingEntered = false; // Currently unused\n  const origTitle = $('title:first').text();\n  // Make [1,2,5] array\n  const rIntervals = [];\n  for (let i = 0.1; i < 1E5; i *= 10) {\n    rIntervals.push(i);\n    rIntervals.push(2 * i);\n    rIntervals.push(5 * i);\n  }\n\n  // This function highlights the layer passed in (by fading out the other layers)\n  // if no layer is passed in, this function restores the other layers\n  const toggleHighlightLayer = function (layerNameToHighlight) {\n    let i;\n    const curNames = [], numLayers = svgCanvas.getCurrentDrawing().getNumLayers();\n    for (i = 0; i < numLayers; i++) {\n      curNames[i] = svgCanvas.getCurrentDrawing().getLayerName(i);\n    }\n\n    if (layerNameToHighlight) {\n      for (i = 0; i < numLayers; ++i) {\n        if (curNames[i] !== layerNameToHighlight) {\n          svgCanvas.getCurrentDrawing().setLayerOpacity(curNames[i], 0.5);\n        }\n      }\n    } else {\n      for (i = 0; i < numLayers; ++i) {\n        svgCanvas.getCurrentDrawing().setLayerOpacity(curNames[i], 1.0);\n      }\n    }\n  };\n\n  const populateLayers = function () {\n    svgCanvas.clearSelection();\n    const layerlist = $('#layerlist tbody').empty();\n    const selLayerNames = $('#selLayerNames').empty();\n    const drawing = svgCanvas.getCurrentDrawing();\n    const currentLayerName = drawing.getCurrentLayerName();\n    const icon = $.getSvgIcon('eye');\n    let layer = svgCanvas.getCurrentDrawing().getNumLayers();\n    // we get the layers in the reverse z-order (the layer rendered on top is listed first)\n    while (layer--) {\n      const name = drawing.getLayerName(layer);\n      const layerTr = $('<tr class=\"layer\">').toggleClass('layersel', name === currentLayerName);\n      const layerVis = $('<td class=\"layervis\">').toggleClass('layerinvis', !drawing.getLayerVisibility(name));\n      const layerName = $('<td class=\"layername\">' + name + '</td>');\n      layerlist.append(layerTr.append(layerVis, layerName));\n      selLayerNames.append('<option value=\"' + name + '\">' + name + '</option>');\n    }\n    if (icon !== undefined) {\n      const copy = icon.clone();\n      $('td.layervis', layerlist).append(copy);\n      $.resizeSvgIcons({'td.layervis .svg_icon': 14});\n    }\n    // handle selection of layer\n    $('#layerlist td.layername')\n      .mouseup(function (evt) {\n        $('#layerlist tr.layer').removeClass('layersel');\n        $(this.parentNode).addClass('layersel');\n        svgCanvas.setCurrentLayer(this.textContent);\n        evt.preventDefault();\n      })\n      .mouseover(function () {\n        toggleHighlightLayer(this.textContent);\n      })\n      .mouseout(function () {\n        toggleHighlightLayer();\n      });\n    $('#layerlist td.layervis').click(function () {\n      const row = $(this.parentNode).prevAll().length;\n      const name = $('#layerlist tr.layer:eq(' + row + ') td.layername').text();\n      const vis = $(this).hasClass('layerinvis');\n      svgCanvas.setLayerVisibility(name, vis);\n      $(this).toggleClass('layerinvis');\n    });\n\n    // if there were too few rows, let's add a few to make it not so lonely\n    let num = 5 - $('#layerlist tr.layer').size();\n    while (num-- > 0) {\n      // FIXME: there must a better way to do this\n      layerlist.append('<tr><td style=\"color:white\">_</td><td/></tr>');\n    }\n  };\n\n  let editingsource = false;\n  let origSource = '';\n  const showSourceEditor = function (e, forSaving) {\n    if (editingsource) { return; }\n\n    editingsource = true;\n    origSource = svgCanvas.getSvgString();\n    $('#save_output_btns').toggle(!!forSaving);\n    $('#tool_source_back').toggle(!forSaving);\n    $('#svg_source_textarea').val(origSource);\n    $('#svg_source_editor').fadeIn();\n    $('#svg_source_textarea').focus();\n  };\n\n  let selectedElement = null;\n  let multiselected = false;\n\n  const togglePathEditMode = function (editmode, elems) {\n    $('#path_node_panel').toggle(editmode);\n    $('#tools_bottom_2,#tools_bottom_3').toggle(!editmode);\n    if (editmode) {\n      // Change select icon\n      $('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');\n      $('#tool_select').addClass('tool_button_current').removeClass('tool_button');\n      setIcon('#tool_select', 'select_node');\n      multiselected = false;\n      if (elems.length) {\n        selectedElement = elems[0];\n      }\n    } else {\n      setTimeout(() => {\n        setIcon('#tool_select', 'select');\n      }, 1000);\n    }\n  };\n\n  /**\n   * @type {module:svgcanvas.EventHandler}\n   * @param {external:Window} wind\n   * @param {module:svgcanvas.SvgCanvas#event:saved} svg The SVG source\n   * @listens module:svgcanvas.SvgCanvas#event:saved\n   * @returns {undefined}\n   */\n  const saveHandler = function (wind, svg) {\n    editor.showSaveWarning = false;\n\n    // by default, we add the XML prolog back, systems integrating SVG-edit (wikis, CMSs)\n    // can just provide their own custom save handler and might not want the XML prolog\n    svg = '<?xml version=\"1.0\"?>\\n' + svg;\n\n    // IE9 doesn't allow standalone Data URLs\n    // https://connect.microsoft.com/IE/feedback/details/542600/data-uri-images-fail-when-loaded-by-themselves\n    if (isIE()) {\n      showSourceEditor(0, true);\n      return;\n    }\n\n    // Since saving SVGs by opening a new window was removed in Chrome use artificial link-click\n    // https://stackoverflow.com/questions/45603201/window-is-not-allowed-to-navigate-top-frame-navigations-to-data-urls\n    const a = document.createElement('a');\n    a.href = 'data:image/svg+xml;base64,' + Utils.encode64(svg);\n    a.download = 'icon.svg';\n\n    a.click();\n\n    // Alert will only appear the first time saved OR the\n    //   first time the bug is encountered\n    let done = $.pref('save_notice_done');\n    if (done !== 'all') {\n      let note = uiStrings.notification.saveFromBrowser.replace('%s', 'SVG');\n      // Check if FF and has <defs/>\n      if (isGecko()) {\n        if (svg.includes('<defs')) {\n          // warning about Mozilla bug #308590 when applicable (seems to be fixed now in Feb 2013)\n          note += '\\n\\n' + uiStrings.notification.defsFailOnSave;\n          $.pref('save_notice_done', 'all');\n          done = 'all';\n        } else {\n          $.pref('save_notice_done', 'part');\n        }\n      } else {\n        $.pref('save_notice_done', 'all');\n      }\n      if (done !== 'part') {\n        alert(note);\n      }\n    }\n  };\n\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:exported} data\n   * @listens module:svgcanvas.SvgCanvas#event:exported\n   * @returns {undefined}\n   */\n  const exportHandler = function (win, data) {\n    const {issues, exportWindowName} = data;\n\n    if (exportWindowName) {\n      exportWindow = window.open(Utils.blankPageObjectURL || '', exportWindowName); // A hack to get the window via JSON-able name without opening a new one\n    }\n\n    if (!exportWindow || exportWindow.closed) {\n      $.alert(uiStrings.notification.popupWindowBlocked);\n      return;\n    }\n\n    exportWindow.location.href = data.bloburl || data.datauri;\n    const done = $.pref('export_notice_done');\n    if (done !== 'all') {\n      let note = uiStrings.notification.saveFromBrowser.replace('%s', data.type);\n\n      // Check if there are issues\n      if (issues.length) {\n        const pre = '\\n \\u2022 ';\n        note += ('\\n\\n' + uiStrings.notification.noteTheseIssues + pre + issues.join(pre));\n      }\n\n      // Note that this will also prevent the notice even though new issues may appear later.\n      // May want to find a way to deal with that without annoying the user\n      $.pref('export_notice_done', 'all');\n      exportWindow.alert(note);\n    }\n  };\n\n  const operaRepaint = function () {\n    // Repaints canvas in Opera. Needed for stroke-dasharray change as well as fill change\n    if (!window.opera) {\n      return;\n    }\n    $('<p/>').hide().appendTo('body').remove();\n  };\n\n  function setStrokeOpt (opt, changeElem) {\n    const {id} = opt;\n    const bits = id.split('_');\n    const pre = bits[0];\n    const val = bits[1];\n\n    if (changeElem) {\n      svgCanvas.setStrokeAttr('stroke-' + pre, val);\n    }\n    operaRepaint();\n    setIcon('#cur_' + pre, id, 20);\n    $(opt).addClass('current').siblings().removeClass('current');\n  }\n\n  /**\n  * This is a common function used when a tool has been clicked (chosen)\n  * It does several common things:\n  * - removes the `tool_button_current` class from whatever tool currently has it\n  * - hides any flyouts\n  * - adds the `tool_button_current` class to the button passed in\n  * @function module:SVGEDitor.toolButtonClick\n  * @param {string|Element} button The DOM element or string selector representing the toolbar button\n  * @param {boolean} noHiding Whether not to hide any flyouts\n  * @returns {boolean} Whether the button was disabled or not\n  */\n  const toolButtonClick = editor.toolButtonClick = function (button, noHiding) {\n    if ($(button).hasClass('disabled')) { return false; }\n    if ($(button).parent().hasClass('tools_flyout')) { return true; }\n    const fadeFlyouts = 'normal';\n    if (!noHiding) {\n      $('.tools_flyout').fadeOut(fadeFlyouts);\n    }\n    $('#styleoverrides').text('');\n    workarea.css('cursor', 'auto');\n    $('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');\n    $(button).addClass('tool_button_current').removeClass('tool_button');\n    return true;\n  };\n\n  /**\n  * Unless the select toolbar button is disabled, sets the button\n  * and sets the select mode and cursor styles.\n  * @function module:SVGEditor.clickSelect\n  * @returns {undefined}\n  */\n  const clickSelect = editor.clickSelect = function () {\n    if (toolButtonClick('#tool_select')) {\n      svgCanvas.setMode('select');\n      $('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all}, #svgcanvas svg{cursor:default}');\n    }\n  };\n\n  /**\n  * Set a selected image's URL\n  * @function module:SVGEditor.setImageURL\n  * @param {string} url\n  * @returns {undefined}\n  */\n  const setImageURL = editor.setImageURL = function (url) {\n    if (!url) {\n      url = defaultImageURL;\n    }\n    svgCanvas.setImageURL(url);\n    $('#image_url').val(url);\n\n    if (url.startsWith('data:')) {\n      // data URI found\n      $('#image_url').hide();\n      $('#change_image_url').show();\n    } else {\n      // regular URL\n      svgCanvas.embedImage(url, function (dataURI) {\n        // Couldn't embed, so show warning\n        $('#url_notice').toggle(!dataURI);\n        defaultImageURL = url;\n      });\n      $('#image_url').show();\n      $('#change_image_url').hide();\n    }\n  };\n\n  function setBackground (color, url) {\n    // if (color == $.pref('bkgd_color') && url == $.pref('bkgd_url')) { return; }\n    $.pref('bkgd_color', color);\n    $.pref('bkgd_url', url);\n\n    // This should be done in svgcanvas.js for the borderRect fill\n    svgCanvas.setBackground(color, url);\n  }\n\n  function promptImgURL ({cancelDeletes = false} = {}) {\n    let curhref = svgCanvas.getHref(selectedElement);\n    curhref = curhref.startsWith('data:') ? '' : curhref;\n    $.prompt(uiStrings.notification.enterNewImgURL, curhref, function (url) {\n      if (url) {\n        setImageURL(url);\n      } else if (cancelDeletes) {\n        svgCanvas.deleteSelectedElements();\n      }\n    });\n  }\n\n  const setInputWidth = function (elem) {\n    const w = Math.min(Math.max(12 + elem.value.length * 6, 50), 300);\n    $(elem).width(w);\n  };\n\n  function updateRulers (scanvas, zoom) {\n    if (!zoom) { zoom = svgCanvas.getZoom(); }\n    if (!scanvas) { scanvas = $('#svgcanvas'); }\n\n    let d, i;\n    const limit = 30000;\n    const contentElem = svgCanvas.getContentElem();\n    const units = getTypeMap();\n    const unit = units[curConfig.baseUnit]; // 1 = 1px\n\n    // draw x ruler then y ruler\n    for (d = 0; d < 2; d++) {\n      const isX = (d === 0);\n      const dim = isX ? 'x' : 'y';\n      const lentype = isX ? 'width' : 'height';\n      const contentDim = Number(contentElem.getAttribute(dim));\n\n      const $hcanvOrig = $('#ruler_' + dim + ' canvas:first');\n\n      // Bit of a hack to fully clear the canvas in Safari & IE9\n      const $hcanv = $hcanvOrig.clone();\n      $hcanvOrig.replaceWith($hcanv);\n\n      const hcanv = $hcanv[0];\n\n      // Set the canvas size to the width of the container\n      let rulerLen = scanvas[lentype]();\n      const totalLen = rulerLen;\n      hcanv.parentNode.style[lentype] = totalLen + 'px';\n      let ctx = hcanv.getContext('2d');\n      let ctxArr, num, ctxArrNum;\n\n      ctx.fillStyle = 'rgb(200,0,0)';\n      ctx.fillRect(0, 0, hcanv.width, hcanv.height);\n\n      // Remove any existing canvasses\n      $hcanv.siblings().remove();\n\n      // Create multiple canvases when necessary (due to browser limits)\n      if (rulerLen >= limit) {\n        ctxArrNum = parseInt(rulerLen / limit, 10) + 1;\n        ctxArr = [];\n        ctxArr[0] = ctx;\n        let copy;\n        for (i = 1; i < ctxArrNum; i++) {\n          hcanv[lentype] = limit;\n          copy = hcanv.cloneNode(true);\n          hcanv.parentNode.append(copy);\n          ctxArr[i] = copy.getContext('2d');\n        }\n\n        copy[lentype] = rulerLen % limit;\n\n        // set copy width to last\n        rulerLen = limit;\n      }\n\n      hcanv[lentype] = rulerLen;\n\n      const uMulti = unit * zoom;\n\n      // Calculate the main number interval\n      const rawM = 50 / uMulti;\n      let multi = 1;\n      for (i = 0; i < rIntervals.length; i++) {\n        num = rIntervals[i];\n        multi = num;\n        if (rawM <= num) {\n          break;\n        }\n      }\n\n      const bigInt = multi * uMulti;\n\n      ctx.font = '9px sans-serif';\n\n      let rulerD = ((contentDim / uMulti) % multi) * uMulti;\n      let labelPos = rulerD - bigInt;\n      // draw big intervals\n      let ctxNum = 0;\n      while (rulerD < totalLen) {\n        labelPos += bigInt;\n        // const realD = rulerD - contentDim; // Currently unused\n\n        const curD = Math.round(rulerD) + 0.5;\n        if (isX) {\n          ctx.moveTo(curD, 15);\n          ctx.lineTo(curD, 0);\n        } else {\n          ctx.moveTo(15, curD);\n          ctx.lineTo(0, curD);\n        }\n\n        num = (labelPos - contentDim) / uMulti;\n        let label;\n        if (multi >= 1) {\n          label = Math.round(num);\n        } else {\n          const decs = String(multi).split('.')[1].length;\n          label = num.toFixed(decs);\n        }\n\n        // Change 1000s to Ks\n        if (label !== 0 && label !== 1000 && label % 1000 === 0) {\n          label = (label / 1000) + 'K';\n        }\n\n        if (isX) {\n          ctx.fillText(label, rulerD + 2, 8);\n        } else {\n          // draw label vertically\n          const str = String(label).split('');\n          for (i = 0; i < str.length; i++) {\n            ctx.fillText(str[i], 1, (rulerD + 9) + i * 9);\n          }\n        }\n\n        const part = bigInt / 10;\n        // draw the small intervals\n        for (i = 1; i < 10; i++) {\n          let subD = Math.round(rulerD + part * i) + 0.5;\n          if (ctxArr && subD > rulerLen) {\n            ctxNum++;\n            ctx.stroke();\n            if (ctxNum >= ctxArrNum) {\n              i = 10;\n              rulerD = totalLen;\n              continue;\n            }\n            ctx = ctxArr[ctxNum];\n            rulerD -= limit;\n            subD = Math.round(rulerD + part * i) + 0.5;\n          }\n\n          // odd lines are slighly longer\n          const lineNum = (i % 2) ? 12 : 10;\n          if (isX) {\n            ctx.moveTo(subD, 15);\n            ctx.lineTo(subD, lineNum);\n          } else {\n            ctx.moveTo(15, subD);\n            ctx.lineTo(lineNum, subD);\n          }\n        }\n        rulerD += bigInt;\n      }\n      ctx.strokeStyle = '#000';\n      ctx.stroke();\n    }\n  }\n\n  /**\n  * @function module:SVGEditor.updateCanvas\n  * @param {boolean} center\n  * @param {module:math.XYObject} newCtr\n  * @returns {undefined}\n  */\n  const updateCanvas = editor.updateCanvas = function (center, newCtr) {\n    const zoom = svgCanvas.getZoom();\n    const wArea = workarea;\n    const cnvs = $('#svgcanvas');\n\n    let w = workarea.width(), h = workarea.height();\n    const wOrig = w, hOrig = h;\n    const oldCtr = {\n      x: wArea[0].scrollLeft + wOrig / 2,\n      y: wArea[0].scrollTop + hOrig / 2\n    };\n    const multi = curConfig.canvas_expansion;\n    w = Math.max(wOrig, svgCanvas.contentW * zoom * multi);\n    h = Math.max(hOrig, svgCanvas.contentH * zoom * multi);\n\n    if (w === wOrig && h === hOrig) {\n      workarea.css('overflow', 'hidden');\n    } else {\n      workarea.css('overflow', 'scroll');\n    }\n\n    const oldCanY = cnvs.height() / 2;\n    const oldCanX = cnvs.width() / 2;\n    cnvs.width(w).height(h);\n    const newCanY = h / 2;\n    const newCanX = w / 2;\n    const offset = svgCanvas.updateCanvas(w, h);\n\n    const ratio = newCanX / oldCanX;\n\n    const scrollX = w / 2 - wOrig / 2;\n    const scrollY = h / 2 - hOrig / 2;\n\n    if (!newCtr) {\n      const oldDistX = oldCtr.x - oldCanX;\n      const newX = newCanX + oldDistX * ratio;\n\n      const oldDistY = oldCtr.y - oldCanY;\n      const newY = newCanY + oldDistY * ratio;\n\n      newCtr = {\n        x: newX,\n        y: newY\n      };\n    } else {\n      newCtr.x += offset.x;\n      newCtr.y += offset.y;\n    }\n\n    if (center) {\n      // Go to top-left for larger documents\n      if (svgCanvas.contentW > wArea.width()) {\n        // Top-left\n        workarea[0].scrollLeft = offset.x - 10;\n        workarea[0].scrollTop = offset.y - 10;\n      } else {\n        // Center\n        wArea[0].scrollLeft = scrollX;\n        wArea[0].scrollTop = scrollY;\n      }\n    } else {\n      wArea[0].scrollLeft = newCtr.x - wOrig / 2;\n      wArea[0].scrollTop = newCtr.y - hOrig / 2;\n    }\n    if (curConfig.showRulers) {\n      updateRulers(cnvs, zoom);\n      workarea.scroll();\n    }\n    if (urldata.storagePrompt !== true && !editor.storagePromptClosed) {\n      $('#dialog_box').hide();\n    }\n  };\n\n  /**\n   * @fires module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate\n   * @returns {undefined}\n   */\n  const updateToolButtonState = function () {\n    let index, button;\n    const bNoFill = (svgCanvas.getColor('fill') === 'none');\n    const bNoStroke = (svgCanvas.getColor('stroke') === 'none');\n    const buttonsNeedingStroke = ['#tool_fhpath', '#tool_line'];\n    const buttonsNeedingFillAndStroke = ['#tools_rect .tool_button', '#tools_ellipse .tool_button', '#tool_text', '#tool_path'];\n    if (bNoStroke) {\n      for (index in buttonsNeedingStroke) {\n        button = buttonsNeedingStroke[index];\n        if ($(button).hasClass('tool_button_current')) {\n          clickSelect();\n        }\n        $(button).addClass('disabled');\n      }\n    } else {\n      for (index in buttonsNeedingStroke) {\n        button = buttonsNeedingStroke[index];\n        $(button).removeClass('disabled');\n      }\n    }\n\n    if (bNoStroke && bNoFill) {\n      for (index in buttonsNeedingFillAndStroke) {\n        button = buttonsNeedingFillAndStroke[index];\n        if ($(button).hasClass('tool_button_current')) {\n          clickSelect();\n        }\n        $(button).addClass('disabled');\n      }\n    } else {\n      for (index in buttonsNeedingFillAndStroke) {\n        button = buttonsNeedingFillAndStroke[index];\n        $(button).removeClass('disabled');\n      }\n    }\n\n    svgCanvas.runExtensions('toolButtonStateUpdate', /** @type {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} */ {\n      nofill: bNoFill,\n      nostroke: bNoStroke\n    });\n\n    // Disable flyouts if all inside are disabled\n    $('.tools_flyout').each(function () {\n      const shower = $('#' + this.id + '_show');\n      let hasEnabled = false;\n      $(this).children().each(function () {\n        if (!$(this).hasClass('disabled')) {\n          hasEnabled = true;\n        }\n      });\n      shower.toggleClass('disabled', !hasEnabled);\n    });\n\n    operaRepaint();\n  };\n\n  // Updates the toolbar (colors, opacity, etc) based on the selected element\n  // This function also updates the opacity and id elements that are in the context panel\n  const updateToolbar = function () {\n    let i, len;\n    if (selectedElement != null) {\n      switch (selectedElement.tagName) {\n      case 'use':\n      case 'image':\n      case 'foreignObject':\n        break;\n      case 'g':\n      case 'a':\n        // Look for common styles\n        const childs = selectedElement.getElementsByTagName('*');\n        let gWidth = null;\n        for (i = 0, len = childs.length; i < len; i++) {\n          const swidth = childs[i].getAttribute('stroke-width');\n\n          if (i === 0) {\n            gWidth = swidth;\n          } else if (gWidth !== swidth) {\n            gWidth = null;\n          }\n        }\n\n        $('#stroke_width').val(gWidth === null ? '' : gWidth);\n\n        paintBox.fill.update(true);\n        paintBox.stroke.update(true);\n\n        break;\n      default:\n        paintBox.fill.update(true);\n        paintBox.stroke.update(true);\n\n        $('#stroke_width').val(selectedElement.getAttribute('stroke-width') || 1);\n        $('#stroke_style').val(selectedElement.getAttribute('stroke-dasharray') || 'none');\n\n        let attr = selectedElement.getAttribute('stroke-linejoin') || 'miter';\n\n        if ($('#linejoin_' + attr).length) {\n          setStrokeOpt($('#linejoin_' + attr)[0]);\n        }\n\n        attr = selectedElement.getAttribute('stroke-linecap') || 'butt';\n\n        if ($('#linecap_' + attr).length) {\n          setStrokeOpt($('#linecap_' + attr)[0]);\n        }\n      }\n    }\n\n    // All elements including image and group have opacity\n    if (selectedElement != null) {\n      const opacPerc = (selectedElement.getAttribute('opacity') || 1.0) * 100;\n      $('#group_opacity').val(opacPerc);\n      $('#opac_slider').slider('option', 'value', opacPerc);\n      $('#elem_id').val(selectedElement.id);\n      $('#elem_class').val(selectedElement.getAttribute('class'));\n    }\n\n    updateToolButtonState();\n  };\n\n  // updates the context panel tools based on the selected element\n  const updateContextPanel = function () {\n    let elem = selectedElement;\n    // If element has just been deleted, consider it null\n    if (elem != null && !elem.parentNode) { elem = null; }\n    const currentLayerName = svgCanvas.getCurrentDrawing().getCurrentLayerName();\n    const currentMode = svgCanvas.getMode();\n    const unit = curConfig.baseUnit !== 'px' ? curConfig.baseUnit : null;\n\n    const isNode = currentMode === 'pathedit'; // elem ? (elem.id && elem.id.startsWith('pathpointgrip')) : false;\n    const menuItems = $('#cmenu_canvas li');\n    $('#selected_panel, #multiselected_panel, #g_panel, #rect_panel, #circle_panel,' +\n      '#ellipse_panel, #line_panel, #text_panel, #image_panel, #container_panel,' +\n      ' #use_panel, #a_panel').hide();\n    if (elem != null) {\n      const elname = elem.nodeName;\n      // If this is a link with no transform and one child, pretend\n      // its child is selected\n      // if (elname === 'a') { // && !$(elem).attr('transform')) {\n      //   elem = elem.firstChild;\n      // }\n\n      const angle = svgCanvas.getRotationAngle(elem);\n      $('#angle').val(angle);\n\n      const blurval = svgCanvas.getBlur(elem);\n      $('#blur').val(blurval);\n      $('#blur_slider').slider('option', 'value', blurval);\n\n      if (svgCanvas.addedNew) {\n        if (elname === 'image' && svgCanvas.getMode() === 'image') {\n          // Prompt for URL if not a data URL\n          if (!svgCanvas.getHref(elem).startsWith('data:')) {\n            promptImgURL({cancelDeletes: true});\n          }\n        }\n        /* else if (elname == 'text') {\n          // TODO: Do something here for new text\n        } */\n      }\n\n      if (!isNode && currentMode !== 'pathedit') {\n        $('#selected_panel').show();\n        // Elements in this array already have coord fields\n        if (['line', 'circle', 'ellipse'].includes(elname)) {\n          $('#xy_panel').hide();\n        } else {\n          let x, y;\n\n          // Get BBox vals for g, polyline and path\n          if (['g', 'polyline', 'path'].includes(elname)) {\n            const bb = svgCanvas.getStrokedBBox([elem]);\n            if (bb) {\n              ({x, y} = bb);\n            }\n          } else {\n            x = elem.getAttribute('x');\n            y = elem.getAttribute('y');\n          }\n\n          if (unit) {\n            x = convertUnit(x);\n            y = convertUnit(y);\n          }\n\n          $('#selected_x').val(x || 0);\n          $('#selected_y').val(y || 0);\n          $('#xy_panel').show();\n        }\n\n        // Elements in this array cannot be converted to a path\n        const noPath = !['image', 'text', 'path', 'g', 'use'].includes(elname);\n        $('#tool_topath').toggle(noPath);\n        $('#tool_reorient').toggle(elname === 'path');\n        $('#tool_reorient').toggleClass('disabled', angle === 0);\n      } else {\n        const point = path.getNodePoint();\n        $('#tool_add_subpath').removeClass('push_button_pressed').addClass('tool_button');\n        $('#tool_node_delete').toggleClass('disabled', !path.canDeleteNodes);\n\n        // Show open/close button based on selected point\n        setIcon('#tool_openclose_path', path.closed_subpath ? 'open_path' : 'close_path');\n\n        if (point) {\n          const segType = $('#seg_type');\n          if (unit) {\n            point.x = convertUnit(point.x);\n            point.y = convertUnit(point.y);\n          }\n          $('#path_node_x').val(point.x);\n          $('#path_node_y').val(point.y);\n          if (point.type) {\n            segType.val(point.type).removeAttr('disabled');\n          } else {\n            segType.val(4).attr('disabled', 'disabled');\n          }\n        }\n        return;\n      }\n\n      // update contextual tools here\n      const panels = {\n        g: [],\n        a: [],\n        rect: ['rx', 'width', 'height'],\n        image: ['width', 'height'],\n        circle: ['cx', 'cy', 'r'],\n        ellipse: ['cx', 'cy', 'rx', 'ry'],\n        line: ['x1', 'y1', 'x2', 'y2'],\n        text: [],\n        use: []\n      };\n\n      const {tagName} = elem;\n\n      // if ($(elem).data('gsvg')) {\n      //   $('#g_panel').show();\n      // }\n\n      let linkHref = null;\n      if (tagName === 'a') {\n        linkHref = svgCanvas.getHref(elem);\n        $('#g_panel').show();\n      }\n\n      if (elem.parentNode.tagName === 'a') {\n        if (!$(elem).siblings().length) {\n          $('#a_panel').show();\n          linkHref = svgCanvas.getHref(elem.parentNode);\n        }\n      }\n\n      // Hide/show the make_link buttons\n      $('#tool_make_link, #tool_make_link').toggle(!linkHref);\n\n      if (linkHref) {\n        $('#link_url').val(linkHref);\n      }\n\n      if (panels[tagName]) {\n        const curPanel = panels[tagName];\n\n        $('#' + tagName + '_panel').show();\n\n        $.each(curPanel, function (i, item) {\n          let attrVal = elem.getAttribute(item);\n          if (curConfig.baseUnit !== 'px' && elem[item]) {\n            const bv = elem[item].baseVal.value;\n            attrVal = convertUnit(bv);\n          }\n          $('#' + tagName + '_' + item).val(attrVal || 0);\n        });\n\n        if (tagName === 'text') {\n          $('#text_panel').css('display', 'inline');\n          $('#tool_font_size').css('display', 'inline');\n          if (svgCanvas.getItalic()) {\n            $('#tool_italic').addClass('push_button_pressed').removeClass('tool_button');\n          } else {\n            $('#tool_italic').removeClass('push_button_pressed').addClass('tool_button');\n          }\n          if (svgCanvas.getBold()) {\n            $('#tool_bold').addClass('push_button_pressed').removeClass('tool_button');\n          } else {\n            $('#tool_bold').removeClass('push_button_pressed').addClass('tool_button');\n          }\n          $('#font_family').val(elem.getAttribute('font-family'));\n          $('#font_size').val(elem.getAttribute('font-size'));\n          $('#text').val(elem.textContent);\n          if (svgCanvas.addedNew) {\n            // Timeout needed for IE9\n            setTimeout(function () {\n              $('#text').focus().select();\n            }, 100);\n          }\n        // text\n        } else if (tagName === 'image' && svgCanvas.getMode() === 'image') {\n          setImageURL(svgCanvas.getHref(elem));\n        // image\n        } else if (tagName === 'g' || tagName === 'use') {\n          $('#container_panel').show();\n          const title = svgCanvas.getTitle();\n          const label = $('#g_title')[0];\n          label.value = title;\n          setInputWidth(label);\n          $('#g_title').prop('disabled', tagName === 'use');\n        }\n      }\n      menuItems[(tagName === 'g' ? 'en' : 'dis') + 'ableContextMenuItems']('#ungroup');\n      menuItems[((tagName === 'g' || !multiselected) ? 'dis' : 'en') + 'ableContextMenuItems']('#group');\n    // if (elem != null)\n    } else if (multiselected) {\n      $('#multiselected_panel').show();\n      menuItems\n        .enableContextMenuItems('#group')\n        .disableContextMenuItems('#ungroup');\n    } else {\n      menuItems.disableContextMenuItems('#delete,#cut,#copy,#group,#ungroup,#move_front,#move_up,#move_down,#move_back');\n    }\n\n    // update history buttons\n    $('#tool_undo').toggleClass('disabled', undoMgr.getUndoStackSize() === 0);\n    $('#tool_redo').toggleClass('disabled', undoMgr.getRedoStackSize() === 0);\n\n    svgCanvas.addedNew = false;\n\n    if ((elem && !isNode) || multiselected) {\n      // update the selected elements' layer\n      $('#selLayerNames').removeAttr('disabled').val(currentLayerName);\n\n      // Enable regular menu options\n      canvMenu.enableContextMenuItems('#delete,#cut,#copy,#move_front,#move_up,#move_down,#move_back');\n    } else {\n      $('#selLayerNames').attr('disabled', 'disabled');\n    }\n  };\n\n  const updateWireFrame = function () {\n    // Test support\n    if (supportsNonSS) { return; }\n\n    const rule = '#workarea.wireframe #svgcontent * { stroke-width: ' + 1 / svgCanvas.getZoom() + 'px; }';\n    $('#wireframe_rules').text(workarea.hasClass('wireframe') ? rule : '');\n  };\n\n  let curContext = '';\n\n  const updateTitle = function (title) {\n    title = title || svgCanvas.getDocumentTitle();\n    const newTitle = origTitle + (title ? ': ' + title : '');\n\n    // Remove title update with current context info, isn't really necessary\n    // if (curContext) {\n    //   new_title = new_title + curContext;\n    // }\n    $('title:first').text(newTitle);\n  };\n\n  // called when we've selected a different element\n  /**\n  *\n  * @param {external:Window} win\n  * @param {module:svgcanvas.SvgCanvas#event:selected} elems Array of elements that were selected\n  * @listens module:svgcanvas.SvgCanvas#event:selected\n  * @fires module:svgcanvas.SvgCanvas#event:ext-selectedChanged\n  * @returns {undefined}\n  */\n  const selectedChanged = function (win, elems) {\n    const mode = svgCanvas.getMode();\n    if (mode === 'select') {\n      setSelectMode();\n    }\n    const isNode = mode === 'pathedit';\n    // if elems[1] is present, then we have more than one element\n    selectedElement = (elems.length === 1 || elems[1] == null ? elems[0] : null);\n    multiselected = (elems.length >= 2 && elems[1] != null);\n    if (selectedElement != null) {\n      // unless we're already in always set the mode of the editor to select because\n      // upon creation of a text element the editor is switched into\n      // select mode and this event fires - we need our UI to be in sync\n\n      if (!isNode) {\n        updateToolbar();\n      }\n    } // if (elem != null)\n\n    // Deal with pathedit mode\n    togglePathEditMode(isNode, elems);\n    updateContextPanel();\n    svgCanvas.runExtensions('selectedChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} */ {\n      elems,\n      selectedElement,\n      multiselected\n    });\n  };\n\n  // Call when part of element is in process of changing, generally\n  // on mousemove actions like rotate, move, etc.\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:transition} elems\n   * @listens module:svgcanvas.SvgCanvas#event:transition\n   * @fires module:svgcanvas.SvgCanvas#event:ext-elementTransition\n   * @returns {undefined}\n   */\n  const elementTransition = function (win, elems) {\n    const mode = svgCanvas.getMode();\n    const elem = elems[0];\n\n    if (!elem) {\n      return;\n    }\n\n    multiselected = (elems.length >= 2 && elems[1] != null);\n    // Only updating fields for single elements for now\n    if (!multiselected) {\n      switch (mode) {\n      case 'rotate':\n        const ang = svgCanvas.getRotationAngle(elem);\n        $('#angle').val(ang);\n        $('#tool_reorient').toggleClass('disabled', ang === 0);\n        break;\n\n      // TODO: Update values that change on move/resize, etc\n      // case 'select':\n      // case 'resize':\n      //   break;\n      }\n    }\n    svgCanvas.runExtensions('elementTransition', /** @type {module:svgcanvas.SvgCanvas#event:ext-elementTransition} */ {\n      elems\n    });\n  };\n\n  /**\n   * Test whether an element is a layer or not.\n   * @param {SVGGElement} elem - The SVGGElement to test.\n   * @returns {boolean} True if the element is a layer\n   */\n  function isLayer (elem) {\n    return elem && elem.tagName === 'g' && Layer.CLASS_REGEX.test(elem.getAttribute('class'));\n  }\n\n  // called when any element has changed\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:changed} elems\n   * @listens module:svgcanvas.SvgCanvas#event:changed\n   * @fires module:svgcanvas.SvgCanvas#event:ext-elementChanged\n   * @returns {undefined}\n   */\n  const elementChanged = function (win, elems) {\n    const mode = svgCanvas.getMode();\n    if (mode === 'select') {\n      setSelectMode();\n    }\n\n    for (let i = 0; i < elems.length; ++i) {\n      const elem = elems[i];\n\n      const isSvgElem = (elem && elem.tagName === 'svg');\n      if (isSvgElem || isLayer(elem)) {\n        populateLayers();\n        // if the element changed was the svg, then it could be a resolution change\n        if (isSvgElem) {\n          updateCanvas();\n        }\n      // Update selectedElement if element is no longer part of the image.\n      // This occurs for the text elements in Firefox\n      } else if (elem && selectedElement && selectedElement.parentNode == null) {\n        // || elem && elem.tagName == \"path\" && !multiselected) { // This was added in r1430, but not sure why\n        selectedElement = elem;\n      }\n    }\n\n    editor.showSaveWarning = true;\n\n    // we update the contextual panel with potentially new\n    // positional/sizing information (we DON'T want to update the\n    // toolbar here as that creates an infinite loop)\n    // also this updates the history buttons\n\n    // we tell it to skip focusing the text control if the\n    // text element was previously in focus\n    updateContextPanel();\n\n    // In the event a gradient was flipped:\n    if (selectedElement && mode === 'select') {\n      paintBox.fill.update();\n      paintBox.stroke.update();\n    }\n\n    svgCanvas.runExtensions('elementChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-elementChanged} */ {\n      elems\n    });\n  };\n\n  /**\n   * @returns {undefined}\n   */\n  const zoomDone = function () {\n    updateWireFrame();\n    // updateCanvas(); // necessary?\n  };\n\n  /**\n  * @typedef {PlainObject} module:SVGEditor.BBoxObjectWithFactor (like `DOMRect`)\n  * @property {Float} x\n  * @property {Float} y\n  * @property {Float} width\n  * @property {Float} height\n  * @property {Float} [factor] Needed if width or height are 0\n  * @property {Float} [zoom]\n  * @see module:svgcanvas.SvgCanvas#event:zoomed\n  */\n\n  /**\n  * @function module:svgcanvas.SvgCanvas#zoomChanged\n  * @param {external:Window} win\n  * @param {module:svgcanvas.SvgCanvas#event:zoomed} bbox\n  * @param {boolean} autoCenter\n  * @listens module:svgcanvas.SvgCanvas#event:zoomed\n  * @returns {undefined}\n  */\n  const zoomChanged = svgCanvas.zoomChanged = function (win, bbox, autoCenter) {\n    const scrbar = 15,\n      // res = svgCanvas.getResolution(), // Currently unused\n      wArea = workarea;\n    // const canvasPos = $('#svgcanvas').position(); // Currently unused\n    const zInfo = svgCanvas.setBBoxZoom(bbox, wArea.width() - scrbar, wArea.height() - scrbar);\n    if (!zInfo) { return; }\n    const zoomlevel = zInfo.zoom,\n      bb = zInfo.bbox;\n\n    if (zoomlevel < 0.001) {\n      changeZoom({value: 0.1});\n      return;\n    }\n\n    $('#zoom').val((zoomlevel * 100).toFixed(1));\n\n    if (autoCenter) {\n      updateCanvas();\n    } else {\n      updateCanvas(false, {x: bb.x * zoomlevel + (bb.width * zoomlevel) / 2, y: bb.y * zoomlevel + (bb.height * zoomlevel) / 2});\n    }\n\n    if (svgCanvas.getMode() === 'zoom' && bb.width) {\n      // Go to select if a zoom box was drawn\n      setSelectMode();\n    }\n\n    zoomDone();\n  };\n\n  const changeZoom = function (ctl) {\n    const zoomlevel = ctl.value / 100;\n    if (zoomlevel < 0.001) {\n      ctl.value = 0.1;\n      return;\n    }\n    const zoom = svgCanvas.getZoom();\n    const wArea = workarea;\n\n    zoomChanged(window, {\n      width: 0,\n      height: 0,\n      // center pt of scroll position\n      x: (wArea[0].scrollLeft + wArea.width() / 2) / zoom,\n      y: (wArea[0].scrollTop + wArea.height() / 2) / zoom,\n      zoom: zoomlevel\n    }, true);\n  };\n\n  $('#cur_context_panel').delegate('a', 'click', function () {\n    const link = $(this);\n    if (link.attr('data-root')) {\n      svgCanvas.leaveContext();\n    } else {\n      svgCanvas.setContext(link.text());\n    }\n    svgCanvas.clearSelection();\n    return false;\n  });\n\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:contextset} context\n   * @listens module:svgcanvas.SvgCanvas#event:contextset\n   * @returns {undefined}\n   */\n  const contextChanged = function (win, context) {\n    let linkStr = '';\n    if (context) {\n      let str = '';\n      linkStr = '<a href=\"#\" data-root=\"y\">' + svgCanvas.getCurrentDrawing().getCurrentLayerName() + '</a>';\n\n      $(context).parentsUntil('#svgcontent > g').andSelf().each(function () {\n        if (this.id) {\n          str += ' > ' + this.id;\n          if (this !== context) {\n            linkStr += ' > <a href=\"#\">' + this.id + '</a>';\n          } else {\n            linkStr += ' > ' + this.id;\n          }\n        }\n      });\n\n      curContext = str;\n    } else {\n      curContext = null;\n    }\n    $('#cur_context_panel').toggle(!!context).html(linkStr);\n\n    updateTitle();\n  };\n\n  // Makes sure the current selected paint is available to work with\n  const prepPaints = function () {\n    paintBox.fill.prep();\n    paintBox.stroke.prep();\n  };\n\n  const flyoutFuncs = {};\n\n  const setFlyoutTitles = function () {\n    $('.tools_flyout').each(function () {\n      const shower = $('#' + this.id + '_show');\n      if (shower.data('isLibrary')) {\n        return;\n      }\n\n      const tooltips = $(this).children().map(function () {\n        return this.title;\n      }).get();\n      shower[0].title = tooltips.join(' / ');\n    });\n  };\n\n  const allHolders = {};\n  /**\n   * @param {Object.<string, module:SVGEditor.ToolButton>} holders Key is a selector\n   * @returns {undefined}\n   */\n  const setupFlyouts = function (holders) {\n    $.each(holders, function (holdSel, btnOpts) {\n      if (!allHolders[holdSel]) {\n        allHolders[holdSel] = [];\n      }\n      allHolders[holdSel].push(...btnOpts);\n\n      const buttons = $(holdSel).children().not('.tool_button_evt_handled');\n      const showSel = holdSel + '_show';\n      const shower = $(showSel);\n      let def = false;\n      buttons.addClass('tool_button tool_button_evt_handled')\n        .unbind('click mousedown mouseup') // may not be necessary\n        .each(function () {\n          // Get this button's options\n          const idSel = '#' + this.getAttribute('id');\n          const [i, opts] = Object.entries(btnOpts).find(([i, {sel}]) => {\n            return sel === idSel;\n          });\n\n          // Remember the function that goes with this ID\n          flyoutFuncs[opts.sel] = opts.fn;\n\n          if (opts.isDefault) { def = i; }\n\n          /**\n           * Clicking the icon in flyout should set this set's icon\n           * @param {Event} ev\n           * @returns {undefined}\n           */\n          const flyoutAction = function (ev) {\n            let options = opts;\n            // Find the currently selected tool if comes from keystroke\n            if (ev.type === 'keydown') {\n              const flyoutIsSelected = $(options.parent + '_show').hasClass('tool_button_current');\n              const currentOperation = $(options.parent + '_show').attr('data-curopt');\n              Object.entries(holders[opts.parent]).some(([i, tool]) => {\n                if (tool.sel !== currentOperation) {\n                  return;\n                }\n                if (!ev.shiftKey || !flyoutIsSelected) {\n                  options = tool;\n                } else {\n                  // If flyout is selected, allow shift key to iterate through subitems\n                  i = parseInt(i, 10);\n                  // Use `allHolders` to include both extension `includeWith` and toolbarButtons\n                  options = allHolders[opts.parent][i + 1] ||\n                    holders[opts.parent][0];\n                }\n                return true;\n              });\n            }\n            if ($(this).hasClass('disabled')) { return false; }\n            if (toolButtonClick(showSel)) {\n              options.fn();\n            }\n            let icon;\n            if (options.icon) {\n              icon = $.getSvgIcon(options.icon, true);\n            } else {\n              icon = $(options.sel).children().eq(0).clone();\n            }\n\n            icon[0].setAttribute('width', shower.width());\n            icon[0].setAttribute('height', shower.height());\n            shower.children(':not(.flyout_arrow_horiz)').remove();\n            shower.append(icon).attr('data-curopt', options.sel); // This sets the current mode\n          };\n\n          $(this).mouseup(flyoutAction);\n\n          if (opts.key) {\n            $(document).bind('keydown', opts.key[0] + ' shift+' + opts.key[0], flyoutAction);\n          }\n        });\n\n      if (def) {\n        shower.attr('data-curopt', btnOpts[def].sel);\n      } else if (!shower.attr('data-curopt')) {\n        // Set first as default\n        shower.attr('data-curopt', btnOpts[0].sel);\n      }\n\n      let timer;\n      const pos = $(showSel).position();\n\n      // Clicking the \"show\" icon should set the current mode\n      shower.mousedown(function (evt) {\n        if (shower.hasClass('disabled')) {\n          return false;\n        }\n        const holder = $(holdSel);\n        const l = pos.left + 34;\n        const w = holder.width() * -1;\n        const time = holder.data('shown_popop') ? 200 : 0;\n        timer = setTimeout(function () {\n          // Show corresponding menu\n          if (!shower.data('isLibrary')) {\n            holder.css('left', w).show().animate({\n              left: l\n            }, 150);\n          } else {\n            holder.css('left', l).show();\n          }\n          holder.data('shown_popop', true);\n        }, time);\n        evt.preventDefault();\n      }).mouseup(function (evt) {\n        clearTimeout(timer);\n        const opt = $(this).attr('data-curopt');\n        // Is library and popped up, so do nothing\n        if (shower.data('isLibrary') && $(showSel.replace('_show', '')).is(':visible')) {\n          toolButtonClick(showSel, true);\n          return;\n        }\n        if (toolButtonClick(showSel) && flyoutFuncs[opt]) {\n          flyoutFuncs[opt]();\n        }\n      });\n      // $('#tools_rect').mouseleave(function () { $('#tools_rect').fadeOut(); });\n    });\n    setFlyoutTitles();\n    setFlyoutPositions();\n  };\n\n  const makeFlyoutHolder = function (id, child) {\n    const div = $('<div>', {\n      class: 'tools_flyout',\n      id\n    }).appendTo('#svg_editor').append(child);\n\n    return div;\n  };\n\n  // TODO: Combine this with addDropDown or find other way to optimize\n  const addAltDropDown = function (elem, list, callback, opts) {\n    const button = $(elem);\n    const {dropUp} = opts;\n    list = $(list);\n    if (dropUp) {\n      $(elem).addClass('dropup');\n    }\n    list.find('li').bind('mouseup', function () {\n      if (opts.seticon) {\n        setIcon('#cur_' + button[0].id, $(this).children());\n        $(this).addClass('current').siblings().removeClass('current');\n      }\n      callback.apply(this, arguments);\n    });\n\n    let onButton = false;\n    $(window).mouseup(function (evt) {\n      if (!onButton) {\n        button.removeClass('down');\n        list.hide();\n        list.css({top: 0, left: 0});\n      }\n      onButton = false;\n    });\n\n    // const height = list.height(); // Currently unused\n    button.bind('mousedown', function () {\n      const off = button.offset();\n      if (dropUp) {\n        off.top -= list.height();\n        off.left += 8;\n      } else {\n        off.top += button.height();\n      }\n      list.offset(off);\n\n      if (!button.hasClass('down')) {\n        list.show();\n        onButton = true;\n      } else {\n        // CSS position must be reset for Webkit\n        list.hide();\n        list.css({top: 0, left: 0});\n      }\n      button.toggleClass('down');\n    }).hover(function () {\n      onButton = true;\n    }).mouseout(function () {\n      onButton = false;\n    });\n\n    if (opts.multiclick) {\n      list.mousedown(function () {\n        onButton = true;\n      });\n    }\n  };\n\n  const extsPreLang = [];\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:extension_added} ext\n   * @listens module:svgcanvas.SvgCanvas#event:extension_added\n   * @returns {Promise} Resolves to `undefined`\n   */\n  const extAdded = function (win, ext) {\n    if (!ext) {\n      return;\n    }\n    let cbCalled = false;\n    let resizeDone = false;\n\n    if (ext.langReady) {\n      if (editor.langChanged) { // We check for this since the \"lang\" pref could have been set by storage\n        const lang = $.pref('lang');\n        ext.langReady({\n          lang,\n          uiStrings,\n          importLocale: getImportLocale({defaultLang: lang, defaultName: ext.name})\n        });\n      } else {\n        extsPreLang.push(ext);\n      }\n    }\n\n    function prepResize () {\n      if (resizeTimer) {\n        clearTimeout(resizeTimer);\n        resizeTimer = null;\n      }\n      if (!resizeDone) {\n        resizeTimer = setTimeout(function () {\n          resizeDone = true;\n          setIconSize($.pref('iconsize'));\n        }, 50);\n      }\n    }\n\n    const runCallback = function () {\n      if (ext.callback && !cbCalled) {\n        cbCalled = true;\n        ext.callback.call(editor);\n      }\n    };\n\n    const btnSelects = [];\n\n    /**\n    * @typedef {PlainObject} module:SVGEditor.ContextTool\n    * @property {string} panel The ID of the existing panel to which the tool is being added. Required.\n    * @property {string} id The ID of the actual tool element. Required.\n    * @property {PlainObject.<string, external:jQuery.Function>|PlainObject.<\"change\", external:jQuery.Function>} events DOM event names keyed to associated functions. Example: `{change () { alert('Option was changed') } }`. \"change\" event is one specifically handled for the \"button-select\" type. Required.\n    * @property {string} title The tooltip text that will appear when the user hovers over the tool. Required.\n    * @property {\"tool_button\"|\"select\"|\"button-select\"|\"input\"|string} type The type of tool being added. Expected.\n    * @property {PlainObject.<string, string>} [options] List of options and their labels for select tools. Example: `{1: 'One', 2: 'Two', all: 'All' }`. Required by \"select\" tools.\n    * @property {string} [container_id] The ID to be given to the tool's container element.\n    * @property {string} [defval] Default value\n    * @property {string|Integer} [colnum] Added as part of the option list class.\n    * @property {string} [label] Label associated with the tool, visible in the UI\n    * @property {Integer} [size] Value of the \"size\" attribute of the tool input\n    * @property {module:jQuerySpinButton.SpinButtonConfig} [spindata] When added to a tool of type \"input\", this tool becomes a \"spinner\" which allows the number to be in/decreased.\n    */\n    if (ext.context_tools) {\n      $.each(ext.context_tools, function (i, tool) {\n        // Add select tool\n        const contId = tool.container_id ? (' id=\"' + tool.container_id + '\"') : '';\n\n        let panel = $('#' + tool.panel);\n        // create the panel if it doesn't exist\n        if (!panel.length) {\n          panel = $('<div>', {id: tool.panel}).appendTo('#tools_top');\n        }\n\n        let html;\n        // TODO: Allow support for other types, or adding to existing tool\n        switch (tool.type) {\n        case 'tool_button':\n          html = '<div class=\"tool_button\">' + tool.id + '</div>';\n          const div = $(html).appendTo(panel);\n          if (tool.events) {\n            $.each(tool.events, function (evt, func) {\n              $(div).bind(evt, func);\n            });\n          }\n          break;\n        case 'select':\n          html = '<label' + contId + '>' +\n            '<select id=\"' + tool.id + '\">';\n          $.each(tool.options, function (val, text) {\n            const sel = (val === tool.defval) ? ' selected' : '';\n            html += '<option value=\"' + val + '\"' + sel + '>' + text + '</option>';\n          });\n          html += '</select></label>';\n          // Creates the tool, hides & adds it, returns the select element\n          const sel = $(html).appendTo(panel).find('select');\n\n          $.each(tool.events, function (evt, func) {\n            $(sel).bind(evt, func);\n          });\n          break;\n        case 'button-select':\n          html = '<div id=\"' + tool.id + '\" class=\"dropdown toolset\" title=\"' + tool.title + '\">' +\n            '<div id=\"cur_' + tool.id + '\" class=\"icon_label\"></div><button></button></div>';\n\n          const list = $('<ul id=\"' + tool.id + '_opts\"></ul>').appendTo('#option_lists');\n\n          if (tool.colnum) {\n            list.addClass('optcols' + tool.colnum);\n          }\n\n          // Creates the tool, hides & adds it, returns the select element\n          /* const dropdown = */ $(html).appendTo(panel).children();\n\n          btnSelects.push({\n            elem: ('#' + tool.id),\n            list: ('#' + tool.id + '_opts'),\n            title: tool.title,\n            callback: tool.events.change,\n            cur: ('#cur_' + tool.id)\n          });\n\n          break;\n        case 'input':\n          html = '<label' + contId + '>' +\n            '<span id=\"' + tool.id + '_label\">' +\n            tool.label + ':</span>' +\n            '<input id=\"' + tool.id + '\" title=\"' + tool.title +\n            '\" size=\"' + (tool.size || '4') + '\" value=\"' + (tool.defval || '') + '\" type=\"text\"/></label>';\n\n          // Creates the tool, hides & adds it, returns the select element\n\n          // Add to given tool.panel\n          const inp = $(html).appendTo(panel).find('input');\n\n          if (tool.spindata) {\n            inp.SpinButton(tool.spindata);\n          }\n\n          if (tool.events) {\n            $.each(tool.events, function (evt, func) {\n              inp.bind(evt, func);\n            });\n          }\n          break;\n\n        default:\n          break;\n        }\n      });\n    }\n\n    const {svgicons} = ext;\n    if (ext.buttons) {\n      const fallbackObj = {},\n        placementObj = {},\n        holders = {};\n\n      /**\n      * @typedef {GenericArray} module:SVGEditor.KeyArray\n      * @property {string} 0 The key to bind (on `keydown`)\n      * @property {boolean} 1 Whether to `preventDefault` on the `keydown` event\n      * @property {boolean} 2 Not apparently in use (NoDisableInInput)\n      */\n      /**\n       * @typedef {string|module:SVGEditor.KeyArray} module:SVGEditor.Key\n       */\n      /**\n      * @typedef {PlainObject} module:SVGEditor.Button\n      * @property {string} id A unique identifier for this button. If SVG icons are used, this must match the ID used in the icon file. Required.\n      * @property {\"mode_flyout\"|\"mode\"|\"context\"|\"app_menu\"} type Type of button. Required.\n      * @property {string} title The tooltip text that will appear when the user hovers over the icon. Required.\n      * @property {PlainObject.<string, external:jQuery.Function>|PlainObject.<\"click\", external:jQuery.Function>} events DOM event names with associated functions. Example: `{click () { alert('Button was clicked') } }`. Click is used with `includeWith` and `type` of \"mode_flyout\" (and \"mode\"); any events may be added if `list` is not present. Expected.\n      * @property {string} panel The ID of the context panel to be included, if type is \"context\". Required only if type is \"context\".\n      * @property {string} icon The file path to the raster version of the icon image source. Required only if no `svgicons` is supplied from [ExtensionInitResponse]{@link module:svgcanvas.ExtensionInitResponse}.\n      * @property {string} [svgicon] If absent, will utilize the button \"id\"; used to set \"placement\" on the `svgIcons` call\n      * @property {string} [list] Points to the \"id\" of a `context_tools` item of type \"button-select\" into which the button will be added as a panel list item\n      * @property {Integer} [position] The numeric index for placement; defaults to last position (as of the time of extension addition) if not present. For use with {@link http://api.jquery.com/eq/}.\n      * @property {boolean} [isDefault] Whether or not the button is the default. Used with `list`.\n      * @property {PlainObject} [includeWith] Object with flyout menu data\n      * @property {boolean} [includeWith.isDefault] Indicates whether button is default in flyout list or not.\n      * @property {string} includeWith.button jQuery selector of the existing button to be joined. Example: '#tool_line'. Required if `includeWith` is used.\n      * @property {\"last\"|Integer} [includeWith.position] Position of icon in flyout list; will be added to end if not indicated. Integer is for use with {@link http://api.jquery.com/eq/}.\n      * @property {module:SVGEditor.Key} [key] The key to bind to the button\n      */\n      // Add buttons given by extension\n      $.each(ext.buttons, function (i, /** @type {module:SVGEditor.Button} */ btn) {\n        let {id} = btn;\n        let num = i;\n        // Give button a unique ID\n        while ($('#' + id).length) {\n          id = btn.id + '_' + (++num);\n        }\n\n        let icon;\n        if (!svgicons) {\n          icon = $('<img src=\"' + btn.icon + '\">');\n        } else {\n          fallbackObj[id] = btn.icon;\n          const svgicon = btn.svgicon || btn.id;\n          if (btn.type === 'app_menu') {\n            placementObj['#' + id + ' > div'] = svgicon;\n          } else {\n            placementObj['#' + id] = svgicon;\n          }\n        }\n\n        let cls, parent;\n\n        // Set button up according to its type\n        switch (btn.type) {\n        case 'mode_flyout':\n        case 'mode':\n          cls = 'tool_button';\n          parent = '#tools_left';\n          break;\n        case 'context':\n          cls = 'tool_button';\n          parent = '#' + btn.panel;\n          // create the panel if it doesn't exist\n          if (!$(parent).length) {\n            $('<div>', {id: btn.panel}).appendTo('#tools_top');\n          }\n          break;\n        case 'app_menu':\n          cls = '';\n          parent = '#main_menu ul';\n          break;\n        }\n        let flyoutHolder, showBtn, refData, refBtn;\n        const button = $((btn.list || btn.type === 'app_menu') ? '<li/>' : '<div/>')\n          .attr('id', id)\n          .attr('title', btn.title)\n          .addClass(cls);\n        if (!btn.includeWith && !btn.list) {\n          if ('position' in btn) {\n            if ($(parent).children().eq(btn.position).length) {\n              $(parent).children().eq(btn.position).before(button);\n            } else {\n              $(parent).children().last().before(button);\n            }\n          } else {\n            button.appendTo(parent);\n          }\n\n          if (btn.type === 'mode_flyout') {\n          // Add to flyout menu / make flyout menu\n            // const opts = btn.includeWith;\n            // // opts.button, default, position\n            refBtn = $(button);\n\n            flyoutHolder = refBtn.parent();\n            // Create a flyout menu if there isn't one already\n            let tlsId;\n            if (!refBtn.parent().hasClass('tools_flyout')) {\n              // Create flyout placeholder\n              tlsId = refBtn[0].id.replace('tool_', 'tools_');\n              showBtn = refBtn.clone()\n                .attr('id', tlsId + '_show')\n                .append($('<div>', {class: 'flyout_arrow_horiz'}));\n\n              refBtn.before(showBtn);\n\n              // Create a flyout div\n              flyoutHolder = makeFlyoutHolder(tlsId, refBtn);\n              flyoutHolder.data('isLibrary', true);\n              showBtn.data('isLibrary', true);\n            }\n            // refData = Actions.getButtonData(opts.button);\n\n            placementObj['#' + tlsId + '_show'] = btn.id;\n            // TODO: Find way to set the current icon using the iconloader if this is not default\n\n            // Include data for extension button as well as ref button\n            /* curH = */ holders['#' + flyoutHolder[0].id] = [{\n              sel: '#' + id,\n              fn: btn.events.click,\n              icon: btn.id,\n              // key: btn.key,\n              isDefault: true\n            }]; // , refData\n            //\n            // // {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}\n            //\n            // const pos = ('position' in opts)?opts.position:'last';\n            // const len = flyoutHolder.children().length;\n            //\n            // // Add at given position or end\n            // if (!isNaN(pos) && pos >= 0 && pos < len) {\n            //   flyoutHolder.children().eq(pos).before(button);\n            // } else {\n            //   flyoutHolder.append(button);\n            //   curH.reverse();\n            // }\n          } else if (btn.type === 'app_menu') {\n            button.append('<div>').append(btn.title);\n          }\n        } else if (btn.list) {\n          // Add button to list\n          button.addClass('push_button');\n          $('#' + btn.list + '_opts').append(button);\n          if (btn.isDefault) {\n            $('#cur_' + btn.list).append(button.children().clone());\n            const svgicon = btn.svgicon || btn.id;\n            placementObj['#cur_' + btn.list] = svgicon;\n          }\n        } else if (btn.includeWith) {\n          // Add to flyout menu / make flyout menu\n          const opts = btn.includeWith;\n          // opts.button, default, position\n          refBtn = $(opts.button);\n\n          flyoutHolder = refBtn.parent();\n          // Create a flyout menu if there isn't one already\n          let tlsId;\n          if (!refBtn.parent().hasClass('tools_flyout')) {\n            // Create flyout placeholder\n            tlsId = refBtn[0].id.replace('tool_', 'tools_');\n            showBtn = refBtn.clone()\n              .attr('id', tlsId + '_show')\n              .append($('<div>', {class: 'flyout_arrow_horiz'}));\n\n            refBtn.before(showBtn);\n            // Create a flyout div\n            flyoutHolder = makeFlyoutHolder(tlsId, refBtn);\n          }\n\n          refData = Actions.getButtonData(opts.button);\n\n          if (opts.isDefault) {\n            placementObj['#' + tlsId + '_show'] = btn.id;\n          }\n          // TODO: Find way to set the current icon using the iconloader if this is not default\n\n          // Include data for extension button as well as ref button\n          const curH = holders['#' + flyoutHolder[0].id] = [{\n            sel: '#' + id,\n            fn: btn.events.click,\n            icon: btn.id,\n            key: btn.key,\n            isDefault: Boolean(btn.includeWith && btn.includeWith.isDefault)\n          }, refData];\n\n          // {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}\n\n          const pos = ('position' in opts) ? opts.position : 'last';\n          const len = flyoutHolder.children().length;\n\n          // Add at given position or end\n          if (!isNaN(pos) && pos >= 0 && pos < len) {\n            flyoutHolder.children().eq(pos).before(button);\n          } else {\n            flyoutHolder.append(button);\n            curH.reverse();\n          }\n        }\n\n        if (!svgicons) {\n          button.append(icon);\n        }\n\n        if (!btn.list) {\n          // Add given events to button\n          $.each(btn.events, function (name, func) {\n            if (name === 'click' && btn.type === 'mode') {\n              if (btn.includeWith) {\n                button.bind(name, func);\n              } else {\n                button.bind(name, function () {\n                  if (toolButtonClick(button)) {\n                    func();\n                  }\n                });\n              }\n              if (btn.key) {\n                $(document).bind('keydown', btn.key, func);\n                if (btn.title) {\n                  button.attr('title', btn.title + ' [' + btn.key + ']');\n                }\n              }\n            } else {\n              button.bind(name, func);\n            }\n          });\n        }\n\n        setupFlyouts(holders);\n      });\n\n      $.each(btnSelects, function () {\n        addAltDropDown(this.elem, this.list, this.callback, {seticon: true});\n      });\n\n      if (svgicons) {\n        return new Promise((resolve, reject) => {\n          $.svgIcons(svgicons, {\n            w: 24, h: 24,\n            id_match: false,\n            no_img: (!isWebkit()),\n            fallback: fallbackObj,\n            placement: placementObj,\n            callback (icons) {\n              // Non-ideal hack to make the icon match the current size\n              // if (curPrefs.iconsize && curPrefs.iconsize !== 'm') {\n              if ($.pref('iconsize') !== 'm') {\n                prepResize();\n              }\n              runCallback();\n              resolve();\n            }\n          });\n        });\n      }\n    }\n    return runCallback();\n  };\n\n  const getPaint = function (color, opac, type) {\n    // update the editor's fill paint\n    const opts = {alpha: opac};\n    if (color.startsWith('url(#')) {\n      let refElem = svgCanvas.getRefElem(color);\n      if (refElem) {\n        refElem = refElem.cloneNode(true);\n      } else {\n        refElem = $('#' + type + '_color defs *')[0];\n      }\n      opts[refElem.tagName] = refElem;\n    } else if (color.startsWith('#')) {\n      opts.solidColor = color.substr(1);\n    } else {\n      opts.solidColor = 'none';\n    }\n    return new $.jGraduate.Paint(opts);\n  };\n\n  // $('#text').focus(function () { textBeingEntered = true; });\n  // $('#text').blur(function () { textBeingEntered = false; });\n\n  // bind the selected event to our function that handles updates to the UI\n  svgCanvas.bind('selected', selectedChanged);\n  svgCanvas.bind('transition', elementTransition);\n  svgCanvas.bind('changed', elementChanged);\n  svgCanvas.bind('saved', saveHandler);\n  svgCanvas.bind('exported', exportHandler);\n  svgCanvas.bind('exportedPDF', function (win, data) {\n    if (!data.output) { // Ignore Chrome\n      return;\n    }\n    const {exportWindowName} = data;\n    if (exportWindowName) {\n      exportWindow = window.open('', exportWindowName); // A hack to get the window via JSON-able name without opening a new one\n    }\n    if (!exportWindow || exportWindow.closed) {\n      $.alert(uiStrings.notification.popupWindowBlocked);\n      return;\n    }\n    exportWindow.location.href = data.output;\n  });\n  svgCanvas.bind('zoomed', zoomChanged);\n  svgCanvas.bind('zoomDone', zoomDone);\n  svgCanvas.bind(\n    'updateCanvas',\n    /**\n     * @param {external:Window} win\n     * @param {false} center\n     * @param {module:math.XYObject} newCtr\n     * @listens module:svgcanvas.SvgCanvas#event:updateCanvas\n     * @returns {undefined}\n     */\n    function (win, {center, newCtr}) {\n      updateCanvas(center, newCtr);\n    }\n  );\n  svgCanvas.bind('contextset', contextChanged);\n  svgCanvas.bind('extension_added', extAdded);\n  svgCanvas.textActions.setInputElem($('#text')[0]);\n\n  let str = '<div class=\"palette_item\" data-rgb=\"none\"></div>';\n  $.each(palette, function (i, item) {\n    str += '<div class=\"palette_item\" style=\"background-color: ' + item + ';\" data-rgb=\"' + item + '\"></div>';\n  });\n  $('#palette').append(str);\n\n  // Set up editor background functionality\n  // TODO add checkerboard as \"pattern\"\n  const colorBlocks = ['#FFF', '#888', '#000']; // ,'url(data:image/gif;base64,R0lGODlhEAAQAIAAAP%2F%2F%2F9bW1iH5BAAAAAAALAAAAAAQABAAAAIfjG%2Bgq4jM3IFLJgpswNly%2FXkcBpIiVaInlLJr9FZWAQA7)'];\n  str = '';\n  $.each(colorBlocks, function () {\n    str += '<div class=\"color_block\" style=\"background-color:' + this + ';\"></div>';\n  });\n  $('#bg_blocks').append(str);\n  const blocks = $('#bg_blocks div');\n  const curBg = 'cur_background';\n  blocks.each(function () {\n    const blk = $(this);\n    blk.click(function () {\n      blocks.removeClass(curBg);\n      $(this).addClass(curBg);\n    });\n  });\n\n  setBackground($.pref('bkgd_color'), $.pref('bkgd_url'));\n\n  $('#image_save_opts input').val([$.pref('img_save')]);\n\n  const changeRectRadius = function (ctl) {\n    svgCanvas.setRectRadius(ctl.value);\n  };\n\n  const changeFontSize = function (ctl) {\n    svgCanvas.setFontSize(ctl.value);\n  };\n\n  const changeStrokeWidth = function (ctl) {\n    let val = ctl.value;\n    if (val === 0 && selectedElement && ['line', 'polyline'].includes(selectedElement.nodeName)) {\n      val = ctl.value = 1;\n    }\n    svgCanvas.setStrokeWidth(val);\n  };\n\n  const changeRotationAngle = function (ctl) {\n    svgCanvas.setRotationAngle(ctl.value);\n    $('#tool_reorient').toggleClass('disabled', parseInt(ctl.value, 10) === 0);\n  };\n\n  const changeOpacity = function (ctl, val) {\n    if (val == null) { val = ctl.value; }\n    $('#group_opacity').val(val);\n    if (!ctl || !ctl.handle) {\n      $('#opac_slider').slider('option', 'value', val);\n    }\n    svgCanvas.setOpacity(val / 100);\n  };\n\n  const changeBlur = function (ctl, val, noUndo) {\n    if (val == null) { val = ctl.value; }\n    $('#blur').val(val);\n    let complete = false;\n    if (!ctl || !ctl.handle) {\n      $('#blur_slider').slider('option', 'value', val);\n      complete = true;\n    }\n    if (noUndo) {\n      svgCanvas.setBlurNoUndo(val);\n    } else {\n      svgCanvas.setBlur(val, complete);\n    }\n  };\n\n  $('#stroke_style').change(function () {\n    svgCanvas.setStrokeAttr('stroke-dasharray', $(this).val());\n    operaRepaint();\n  });\n\n  $('#stroke_linejoin').change(function () {\n    svgCanvas.setStrokeAttr('stroke-linejoin', $(this).val());\n    operaRepaint();\n  });\n\n  // Lose focus for select elements when changed (Allows keyboard shortcuts to work better)\n  $('select').change(function () { $(this).blur(); });\n\n  // fired when user wants to move elements to another layer\n  let promptMoveLayerOnce = false;\n  $('#selLayerNames').change(function () {\n    const destLayer = this.options[this.selectedIndex].value;\n    const confirmStr = uiStrings.notification.QmoveElemsToLayer.replace('%s', destLayer);\n    const moveToLayer = function (ok) {\n      if (!ok) { return; }\n      promptMoveLayerOnce = true;\n      svgCanvas.moveSelectedToLayer(destLayer);\n      svgCanvas.clearSelection();\n      populateLayers();\n    };\n    if (destLayer) {\n      if (promptMoveLayerOnce) {\n        moveToLayer(true);\n      } else {\n        $.confirm(confirmStr, moveToLayer);\n      }\n    }\n  });\n\n  $('#font_family').change(function () {\n    svgCanvas.setFontFamily(this.value);\n  });\n\n  $('#seg_type').change(function () {\n    svgCanvas.setSegType($(this).val());\n  });\n\n  $('#text').bind('keyup input', function () {\n    svgCanvas.setTextContent(this.value);\n  });\n\n  $('#image_url').change(function () {\n    setImageURL(this.value);\n  });\n\n  $('#link_url').change(function () {\n    if (this.value.length) {\n      svgCanvas.setLinkURL(this.value);\n    } else {\n      svgCanvas.removeHyperlink();\n    }\n  });\n\n  $('#g_title').change(function () {\n    svgCanvas.setGroupTitle(this.value);\n  });\n\n  $('.attr_changer').change(function () {\n    const attr = this.getAttribute('data-attr');\n    let val = this.value;\n    const valid = isValidUnit(attr, val, selectedElement);\n\n    if (!valid) {\n      $.alert(uiStrings.notification.invalidAttrValGiven);\n      this.value = selectedElement.getAttribute(attr);\n      return false;\n    }\n\n    if (attr !== 'id' && attr !== 'class') {\n      if (isNaN(val)) {\n        val = svgCanvas.convertToNum(attr, val);\n      } else if (curConfig.baseUnit !== 'px') {\n        // Convert unitless value to one with given unit\n\n        const unitData = getTypeMap();\n\n        if (selectedElement[attr] || svgCanvas.getMode() === 'pathedit' || attr === 'x' || attr === 'y') {\n          val *= unitData[curConfig.baseUnit];\n        }\n      }\n    }\n\n    // if the user is changing the id, then de-select the element first\n    // change the ID, then re-select it with the new ID\n    if (attr === 'id') {\n      const elem = selectedElement;\n      svgCanvas.clearSelection();\n      elem.id = val;\n      svgCanvas.addToSelection([elem], true);\n    } else {\n      svgCanvas.changeSelectedAttribute(attr, val);\n    }\n    this.blur();\n  });\n\n  // Prevent selection of elements when shift-clicking\n  $('#palette').mouseover(function () {\n    const inp = $('<input type=\"hidden\">');\n    $(this).append(inp);\n    inp.focus().remove();\n  });\n\n  $('.palette_item').mousedown(function (evt) {\n    // shift key or right click for stroke\n    const picker = evt.shiftKey || evt.button === 2 ? 'stroke' : 'fill';\n    let color = $(this).data('rgb');\n    let paint;\n\n    // Webkit-based browsers returned 'initial' here for no stroke\n    if (color === 'none' || color === 'transparent' || color === 'initial') {\n      color = 'none';\n      paint = new $.jGraduate.Paint();\n    } else {\n      paint = new $.jGraduate.Paint({alpha: 100, solidColor: color.substr(1)});\n    }\n\n    paintBox[picker].setPaint(paint);\n    svgCanvas.setColor(picker, color);\n\n    if (color !== 'none' && svgCanvas.getPaintOpacity(picker) !== 1) {\n      svgCanvas.setPaintOpacity(picker, 1.0);\n    }\n    updateToolButtonState();\n  }).bind('contextmenu', function (e) { e.preventDefault(); });\n\n  $('#toggle_stroke_tools').on('click', function () {\n    $('#tools_bottom').toggleClass('expanded');\n  });\n\n  (function () {\n    const wArea = workarea[0];\n\n    let lastX = null, lastY = null,\n      panning = false, keypan = false;\n\n    $('#svgcanvas').bind('mousemove mouseup', function (evt) {\n      if (panning === false) { return; }\n\n      wArea.scrollLeft -= (evt.clientX - lastX);\n      wArea.scrollTop -= (evt.clientY - lastY);\n\n      lastX = evt.clientX;\n      lastY = evt.clientY;\n\n      if (evt.type === 'mouseup') { panning = false; }\n      return false;\n    }).mousedown(function (evt) {\n      if (evt.button === 1 || keypan === true) {\n        panning = true;\n        lastX = evt.clientX;\n        lastY = evt.clientY;\n        return false;\n      }\n    });\n\n    $(window).mouseup(function () {\n      panning = false;\n    });\n\n    $(document).bind('keydown', 'space', function (evt) {\n      svgCanvas.spaceKey = keypan = true;\n      evt.preventDefault();\n    }).bind('keyup', 'space', function (evt) {\n      evt.preventDefault();\n      svgCanvas.spaceKey = keypan = false;\n    }).bind('keydown', 'shift', function (evt) {\n      if (svgCanvas.getMode() === 'zoom') {\n        workarea.css('cursor', zoomOutIcon);\n      }\n    }).bind('keyup', 'shift', function (evt) {\n      if (svgCanvas.getMode() === 'zoom') {\n        workarea.css('cursor', zoomInIcon);\n      }\n    });\n\n    /**\n    * @param {boolean} active\n    * @returns {undefined}\n    */\n    editor.setPanning = function (active) {\n      svgCanvas.spaceKey = keypan = active;\n    };\n  }());\n\n  (function () {\n    const button = $('#main_icon');\n    const overlay = $('#main_icon span');\n    const list = $('#main_menu');\n\n    let onButton = false;\n    let height = 0;\n    let jsHover = true;\n    let setClick = false;\n\n    /*\n    // Currently unused\n    const hideMenu = function () {\n      list.fadeOut(200);\n    };\n    */\n\n    $(window).mouseup(function (evt) {\n      if (!onButton) {\n        button.removeClass('buttondown');\n        // do not hide if it was the file input as that input needs to be visible\n        // for its change event to fire\n        if (evt.target.tagName !== 'INPUT') {\n          list.fadeOut(200);\n        } else if (!setClick) {\n          setClick = true;\n          $(evt.target).click(function () {\n            list.css('margin-left', '-9999px').show();\n          });\n        }\n      }\n      onButton = false;\n    }).mousedown(function (evt) {\n      // $('.contextMenu').hide();\n      const islib = $(evt.target).closest('div.tools_flyout, .contextMenu').length;\n      if (!islib) {\n        $('.tools_flyout:visible,.contextMenu').fadeOut(250);\n      }\n    });\n\n    overlay.bind('mousedown', function () {\n      if (!button.hasClass('buttondown')) {\n        // Margin must be reset in case it was changed before;\n        list.css('margin-left', 0).show();\n        if (!height) {\n          height = list.height();\n        }\n        // Using custom animation as slideDown has annoying 'bounce effect'\n        list.css('height', 0).animate({\n          height\n        }, 200);\n        onButton = true;\n      } else {\n        list.fadeOut(200);\n      }\n      button.toggleClass('buttondown buttonup');\n    }).hover(function () {\n      onButton = true;\n    }).mouseout(function () {\n      onButton = false;\n    });\n\n    const listItems = $('#main_menu li');\n\n    // Check if JS method of hovering needs to be used (Webkit bug)\n    listItems.mouseover(function () {\n      jsHover = ($(this).css('background-color') === 'rgba(0, 0, 0, 0)');\n\n      listItems.unbind('mouseover');\n      if (jsHover) {\n        listItems.mouseover(function () {\n          this.style.backgroundColor = '#FFC';\n        }).mouseout(function () {\n          this.style.backgroundColor = 'transparent';\n          return true;\n        });\n      }\n    });\n  }());\n  // Made public for UI customization.\n  // TODO: Group UI functions into a public editor.ui interface.\n  /**\n   * See {@link http://api.jquery.com/bind/#bind-eventType-eventData-handler}\n   * @callback module:SVGEditor.DropDownCallback\n   * @param {external:jQuery.Event} ev See {@link http://api.jquery.com/Types/#Event}\n   * @listens external:jQuery.Event\n   * @returns {undefined|boolean} Calls `preventDefault()` and `stopPropagation()`\n  */\n  /**\n   * @param {Element|string} elem DOM Element or selector\n   * @param {module:SVGEditor.DropDownCallback} callback Mouseup callback\n   * @param {boolean} dropUp\n   * @returns {undefined}\n  */\n  editor.addDropDown = function (elem, callback, dropUp) {\n    if (!$(elem).length) { return; } // Quit if called on non-existent element\n    const button = $(elem).find('button');\n    const list = $(elem).find('ul').attr('id', $(elem)[0].id + '-list');\n    if (dropUp) {\n      $(elem).addClass('dropup');\n    } else {\n      // Move list to place where it can overflow container\n      $('#option_lists').append(list);\n    }\n    list.find('li').bind('mouseup', callback);\n\n    let onButton = false;\n    $(window).mouseup(function (evt) {\n      if (!onButton) {\n        button.removeClass('down');\n        list.hide();\n      }\n      onButton = false;\n    });\n\n    button.bind('mousedown', function () {\n      if (!button.hasClass('down')) {\n        if (!dropUp) {\n          const pos = $(elem).position();\n          list.css({\n            top: pos.top + 24,\n            left: pos.left - 10\n          });\n        }\n        list.show();\n        onButton = true;\n      } else {\n        list.hide();\n      }\n      button.toggleClass('down');\n    }).hover(function () {\n      onButton = true;\n    }).mouseout(function () {\n      onButton = false;\n    });\n  };\n\n  editor.addDropDown('#font_family_dropdown', function () {\n    $('#font_family').val($(this).text()).change();\n  });\n\n  editor.addDropDown('#opacity_dropdown', function () {\n    if ($(this).find('div').length) { return; }\n    const perc = parseInt($(this).text().split('%')[0], 10);\n    changeOpacity(false, perc);\n  }, true);\n\n  // For slider usage, see: http://jqueryui.com/demos/slider/\n  $('#opac_slider').slider({\n    start () {\n      $('#opacity_dropdown li:not(.special)').hide();\n    },\n    stop () {\n      $('#opacity_dropdown li').show();\n      $(window).mouseup();\n    },\n    slide (evt, ui) {\n      changeOpacity(ui);\n    }\n  });\n\n  editor.addDropDown('#blur_dropdown', $.noop);\n\n  let slideStart = false;\n  $('#blur_slider').slider({\n    max: 10,\n    step: 0.1,\n    stop (evt, ui) {\n      slideStart = false;\n      changeBlur(ui);\n      $('#blur_dropdown li').show();\n      $(window).mouseup();\n    },\n    start () {\n      slideStart = true;\n    },\n    slide (evt, ui) {\n      changeBlur(ui, null, slideStart);\n    }\n  });\n\n  editor.addDropDown('#zoom_dropdown', function () {\n    const item = $(this);\n    const val = item.data('val');\n    if (val) {\n      zoomChanged(window, val);\n    } else {\n      changeZoom({value: parseFloat(item.text())});\n    }\n  }, true);\n\n  addAltDropDown('#stroke_linecap', '#linecap_opts', function () {\n    setStrokeOpt(this, true);\n  }, {dropUp: true});\n\n  addAltDropDown('#stroke_linejoin', '#linejoin_opts', function () {\n    setStrokeOpt(this, true);\n  }, {dropUp: true});\n\n  addAltDropDown('#tool_position', '#position_opts', function () {\n    const letter = this.id.replace('tool_pos', '').charAt(0);\n    svgCanvas.alignSelectedElements(letter, 'page');\n  }, {multiclick: true});\n\n  /*\n\n  When a flyout icon is selected\n    (if flyout) {\n    - Change the icon\n    - Make pressing the button run its stuff\n    }\n    - Run its stuff\n\n  When its shortcut key is pressed\n    - If not current in list, do as above\n    , else:\n    - Just run its stuff\n\n  */\n\n  // Unfocus text input when workarea is mousedowned.\n  (function () {\n    let inp;\n    const unfocus = function () {\n      $(inp).blur();\n    };\n\n    $('#svg_editor').find('button, select, input:not(#text)').focus(function () {\n      inp = this;\n      uiContext = 'toolbars';\n      workarea.mousedown(unfocus);\n    }).blur(function () {\n      uiContext = 'canvas';\n      workarea.unbind('mousedown', unfocus);\n      // Go back to selecting text if in textedit mode\n      if (svgCanvas.getMode() === 'textedit') {\n        $('#text').focus();\n      }\n    });\n  }());\n\n  const clickFHPath = function () {\n    if (toolButtonClick('#tool_fhpath')) {\n      svgCanvas.setMode('fhpath');\n    }\n  };\n\n  const clickLine = function () {\n    if (toolButtonClick('#tool_line')) {\n      svgCanvas.setMode('line');\n    }\n  };\n\n  const clickSquare = function () {\n    if (toolButtonClick('#tool_square')) {\n      svgCanvas.setMode('square');\n    }\n  };\n\n  const clickRect = function () {\n    if (toolButtonClick('#tool_rect')) {\n      svgCanvas.setMode('rect');\n    }\n  };\n\n  const clickFHRect = function () {\n    if (toolButtonClick('#tool_fhrect')) {\n      svgCanvas.setMode('fhrect');\n    }\n  };\n\n  const clickCircle = function () {\n    if (toolButtonClick('#tool_circle')) {\n      svgCanvas.setMode('circle');\n    }\n  };\n\n  const clickEllipse = function () {\n    if (toolButtonClick('#tool_ellipse')) {\n      svgCanvas.setMode('ellipse');\n    }\n  };\n\n  const clickFHEllipse = function () {\n    if (toolButtonClick('#tool_fhellipse')) {\n      svgCanvas.setMode('fhellipse');\n    }\n  };\n\n  const clickImage = function () {\n    if (toolButtonClick('#tool_image')) {\n      svgCanvas.setMode('image');\n    }\n  };\n\n  const clickZoom = function () {\n    if (toolButtonClick('#tool_zoom')) {\n      svgCanvas.setMode('zoom');\n      workarea.css('cursor', zoomInIcon);\n    }\n  };\n\n  const zoomImage = function (multiplier) {\n    const res = svgCanvas.getResolution();\n    multiplier = multiplier ? res.zoom * multiplier : 1;\n    // setResolution(res.w * multiplier, res.h * multiplier, true);\n    $('#zoom').val(multiplier * 100);\n    svgCanvas.setZoom(multiplier);\n    zoomDone();\n    updateCanvas(true);\n  };\n\n  const dblclickZoom = function () {\n    if (toolButtonClick('#tool_zoom')) {\n      zoomImage();\n      setSelectMode();\n    }\n  };\n\n  const clickText = function () {\n    if (toolButtonClick('#tool_text')) {\n      svgCanvas.setMode('text');\n    }\n  };\n\n  const clickPath = function () {\n    if (toolButtonClick('#tool_path')) {\n      svgCanvas.setMode('path');\n    }\n  };\n\n  // Delete is a contextual tool that only appears in the ribbon if\n  // an element has been selected\n  const deleteSelected = function () {\n    if (selectedElement != null || multiselected) {\n      svgCanvas.deleteSelectedElements();\n    }\n  };\n\n  const cutSelected = function () {\n    if (selectedElement != null || multiselected) {\n      svgCanvas.cutSelectedElements();\n    }\n  };\n\n  const copySelected = function () {\n    if (selectedElement != null || multiselected) {\n      svgCanvas.copySelectedElements();\n    }\n  };\n\n  const pasteInCenter = function () {\n    const zoom = svgCanvas.getZoom();\n    const x = (workarea[0].scrollLeft + workarea.width() / 2) / zoom - svgCanvas.contentW;\n    const y = (workarea[0].scrollTop + workarea.height() / 2) / zoom - svgCanvas.contentH;\n    svgCanvas.pasteElements('point', x, y);\n  };\n\n  const moveToTopSelected = function () {\n    if (selectedElement != null) {\n      svgCanvas.moveToTopSelectedElement();\n    }\n  };\n\n  const moveToBottomSelected = function () {\n    if (selectedElement != null) {\n      svgCanvas.moveToBottomSelectedElement();\n    }\n  };\n\n  const moveUpDownSelected = function (dir) {\n    if (selectedElement != null) {\n      svgCanvas.moveUpDownSelected(dir);\n    }\n  };\n\n  const convertToPath = function () {\n    if (selectedElement != null) {\n      svgCanvas.convertToPath();\n    }\n  };\n\n  const reorientPath = function () {\n    if (selectedElement != null) {\n      path.reorient();\n    }\n  };\n\n  const makeHyperlink = function () {\n    if (selectedElement != null || multiselected) {\n      $.prompt(uiStrings.notification.enterNewLinkURL, 'http://', function (url) {\n        if (url) { svgCanvas.makeHyperlink(url); }\n      });\n    }\n  };\n\n  const moveSelected = function (dx, dy) {\n    if (selectedElement != null || multiselected) {\n      if (curConfig.gridSnapping) {\n        // Use grid snap value regardless of zoom level\n        const multi = svgCanvas.getZoom() * curConfig.snappingStep;\n        dx *= multi;\n        dy *= multi;\n      }\n      svgCanvas.moveSelectedElements(dx, dy);\n    }\n  };\n\n  const linkControlPoints = function () {\n    $('#tool_node_link').toggleClass('push_button_pressed tool_button');\n    const linked = $('#tool_node_link').hasClass('push_button_pressed');\n    path.linkControlPoints(linked);\n  };\n\n  const clonePathNode = function () {\n    if (path.getNodePoint()) {\n      path.clonePathNode();\n    }\n  };\n\n  const deletePathNode = function () {\n    if (path.getNodePoint()) {\n      path.deletePathNode();\n    }\n  };\n\n  const addSubPath = function () {\n    const button = $('#tool_add_subpath');\n    const sp = !button.hasClass('push_button_pressed');\n    button.toggleClass('push_button_pressed tool_button');\n    path.addSubPath(sp);\n  };\n\n  const opencloseSubPath = function () {\n    path.opencloseSubPath();\n  };\n\n  const selectNext = function () {\n    svgCanvas.cycleElement(1);\n  };\n\n  const selectPrev = function () {\n    svgCanvas.cycleElement(0);\n  };\n\n  const rotateSelected = function (cw, step) {\n    if (selectedElement == null || multiselected) { return; }\n    if (!cw) { step *= -1; }\n    const angle = parseFloat($('#angle').val()) + step;\n    svgCanvas.setRotationAngle(angle);\n    updateContextPanel();\n  };\n\n  /**\n   * @fires module:svgcanvas.SvgCanvas#event:ext-onNewDocument\n   * @returns {undefined}\n   */\n  const clickClear = function () {\n    const [x, y] = curConfig.dimensions;\n    $.confirm(uiStrings.notification.QwantToClear, function (ok) {\n      if (!ok) { return; }\n      setSelectMode();\n      svgCanvas.clear();\n      svgCanvas.setResolution(x, y);\n      updateCanvas(true);\n      zoomImage();\n      populateLayers();\n      updateContextPanel();\n      prepPaints();\n      svgCanvas.runExtensions('onNewDocument');\n    });\n  };\n\n  const clickBold = function () {\n    svgCanvas.setBold(!svgCanvas.getBold());\n    updateContextPanel();\n    return false;\n  };\n\n  const clickItalic = function () {\n    svgCanvas.setItalic(!svgCanvas.getItalic());\n    updateContextPanel();\n    return false;\n  };\n\n  const clickSave = function () {\n    // In the future, more options can be provided here\n    const saveOpts = {\n      images: $.pref('img_save'),\n      round_digits: 6\n    };\n    svgCanvas.save(saveOpts);\n  };\n\n  let loadingURL;\n  const clickExport = function () {\n    $.select('Select an image type for export: ', [\n      // See http://kangax.github.io/jstests/toDataUrl_mime_type_test/ for a useful list of MIME types and browser support\n      // 'ICO', // Todo: Find a way to preserve transparency in SVG-Edit if not working presently and do full packaging for x-icon; then switch back to position after 'PNG'\n      'PNG',\n      'JPEG', 'BMP', 'WEBP', 'PDF'\n    ], async function (imgType) { // todo: replace hard-coded msg with uiStrings.notification.\n      if (!imgType) {\n        return;\n      }\n      // Open placeholder window (prevents popup)\n      let exportWindowName;\n      function openExportWindow () {\n        const str = uiStrings.notification.loadingImage;\n        if (curConfig.exportWindowType === 'new') {\n          editor.exportWindowCt++;\n        }\n        exportWindowName = curConfig.canvasName + editor.exportWindowCt;\n        let popHTML, popURL;\n        if (loadingURL) {\n          popURL = loadingURL;\n        } else {\n          popHTML = `<!DOCTYPE html><html>\n            <head>\n              <meta charset=\"utf-8\">\n              <title>${str}</title>\n            </head>\n            <body><h1>${str}</h1></body>\n          <html>`;\n          if (typeof URL !== 'undefined' && URL.createObjectURL) {\n            const blob = new Blob([popHTML], {type: 'text/html'});\n            popURL = URL.createObjectURL(blob);\n          } else {\n            popURL = 'data:text/html;base64;charset=utf-8,' + Utils.encode64(popHTML);\n          }\n          loadingURL = popURL;\n        }\n        exportWindow = window.open(popURL, exportWindowName);\n      }\n      const chrome = isChrome();\n      if (imgType === 'PDF') {\n        if (!customExportPDF && !chrome) {\n          openExportWindow();\n        }\n        svgCanvas.exportPDF(exportWindowName, chrome ? 'save' : undefined);\n      } else {\n        if (!customExportImage) {\n          openExportWindow();\n        }\n        const quality = parseInt($('#image-slider').val(), 10) / 100;\n        /* const results = */ await svgCanvas.rasterExport(imgType, quality, exportWindowName);\n      }\n    }, function () {\n      const sel = $(this);\n      if (sel.val() === 'JPEG' || sel.val() === 'WEBP') {\n        if (!$('#image-slider').length) {\n          $(`<div><label>${uiStrings.ui.quality}\n              <input id=\"image-slider\"\n                type=\"range\" min=\"1\" max=\"100\" value=\"92\" />\n            </label></div>`).appendTo(sel.parent());\n        }\n      } else {\n        $('#image-slider').parent().remove();\n      }\n    });\n  };\n\n  // by default, svgCanvas.open() is a no-op.\n  // it is up to an extension mechanism (opera widget, etc)\n  // to call setCustomHandlers() which will make it do something\n  const clickOpen = function () {\n    svgCanvas.open();\n  };\n\n  const clickImport = function () {\n  };\n\n  const clickUndo = function () {\n    if (undoMgr.getUndoStackSize() > 0) {\n      undoMgr.undo();\n      populateLayers();\n    }\n  };\n\n  const clickRedo = function () {\n    if (undoMgr.getRedoStackSize() > 0) {\n      undoMgr.redo();\n      populateLayers();\n    }\n  };\n\n  const clickGroup = function () {\n    // group\n    if (multiselected) {\n      svgCanvas.groupSelectedElements();\n    // ungroup\n    } else if (selectedElement) {\n      svgCanvas.ungroupSelectedElement();\n    }\n  };\n\n  const clickClone = function () {\n    svgCanvas.cloneSelectedElements(20, 20);\n  };\n\n  const clickAlign = function () {\n    const letter = this.id.replace('tool_align', '').charAt(0);\n    svgCanvas.alignSelectedElements(letter, $('#align_relative_to').val());\n  };\n\n  const clickWireframe = function () {\n    $('#tool_wireframe').toggleClass('push_button_pressed tool_button');\n    workarea.toggleClass('wireframe');\n\n    if (supportsNonSS) { return; }\n    const wfRules = $('#wireframe_rules');\n    if (!wfRules.length) {\n      /* wfRules = */ $('<style id=\"wireframe_rules\"></style>').appendTo('head');\n    } else {\n      wfRules.empty();\n    }\n\n    updateWireFrame();\n  };\n\n  $('#svg_docprops_container, #svg_prefs_container').draggable({\n    cancel: 'button,fieldset',\n    containment: 'window'\n  }).css('position', 'absolute');\n\n  let docprops = false;\n  let preferences = false;\n\n  const showDocProperties = function () {\n    if (docprops) { return; }\n    docprops = true;\n\n    // This selects the correct radio button by using the array notation\n    $('#image_save_opts input').val([$.pref('img_save')]);\n\n    // update resolution option with actual resolution\n    const res = svgCanvas.getResolution();\n    if (curConfig.baseUnit !== 'px') {\n      res.w = convertUnit(res.w) + curConfig.baseUnit;\n      res.h = convertUnit(res.h) + curConfig.baseUnit;\n    }\n\n    $('#canvas_width').val(res.w);\n    $('#canvas_height').val(res.h);\n    $('#canvas_title').val(svgCanvas.getDocumentTitle());\n\n    $('#svg_docprops').show();\n  };\n\n  const showPreferences = function () {\n    if (preferences) { return; }\n    preferences = true;\n    $('#main_menu').hide();\n\n    // Update background color with current one\n    const blocks = $('#bg_blocks div');\n    const curBg = 'cur_background';\n    const canvasBg = curPrefs.bkgd_color;\n    const url = $.pref('bkgd_url');\n    blocks.each(function () {\n      const blk = $(this);\n      const isBg = blk.css('background-color') === canvasBg;\n      blk.toggleClass(curBg, isBg);\n      if (isBg) { $('#canvas_bg_url').removeClass(curBg); }\n    });\n    if (!canvasBg) { blocks.eq(0).addClass(curBg); }\n    if (url) {\n      $('#canvas_bg_url').val(url);\n    }\n    $('#grid_snapping_on').prop('checked', curConfig.gridSnapping);\n    $('#grid_snapping_step').attr('value', curConfig.snappingStep);\n    $('#grid_color').attr('value', curConfig.gridColor);\n\n    $('#svg_prefs').show();\n  };\n\n  const hideSourceEditor = function () {\n    $('#svg_source_editor').hide();\n    editingsource = false;\n    $('#svg_source_textarea').blur();\n  };\n\n  const saveSourceEditor = function () {\n    if (!editingsource) { return; }\n\n    const saveChanges = function () {\n      svgCanvas.clearSelection();\n      hideSourceEditor();\n      zoomImage();\n      populateLayers();\n      updateTitle();\n      prepPaints();\n    };\n\n    if (!svgCanvas.setSvgString($('#svg_source_textarea').val())) {\n      $.confirm(uiStrings.notification.QerrorsRevertToSource, function (ok) {\n        if (!ok) { return false; }\n        saveChanges();\n      });\n    } else {\n      saveChanges();\n    }\n    setSelectMode();\n  };\n\n  const hideDocProperties = function () {\n    $('#svg_docprops').hide();\n    $('#canvas_width,#canvas_height').removeAttr('disabled');\n    $('#resolution')[0].selectedIndex = 0;\n    $('#image_save_opts input').val([$.pref('img_save')]);\n    docprops = false;\n  };\n\n  const hidePreferences = function () {\n    $('#svg_prefs').hide();\n    preferences = false;\n  };\n\n  const saveDocProperties = function () {\n    // set title\n    const newTitle = $('#canvas_title').val();\n    updateTitle(newTitle);\n    svgCanvas.setDocumentTitle(newTitle);\n\n    // update resolution\n    const width = $('#canvas_width'), w = width.val();\n    const height = $('#canvas_height'), h = height.val();\n\n    if (w !== 'fit' && !isValidUnit('width', w)) {\n      $.alert(uiStrings.notification.invalidAttrValGiven);\n      width.parent().addClass('error');\n      return false;\n    }\n\n    width.parent().removeClass('error');\n\n    if (h !== 'fit' && !isValidUnit('height', h)) {\n      $.alert(uiStrings.notification.invalidAttrValGiven);\n      height.parent().addClass('error');\n      return false;\n    }\n\n    height.parent().removeClass('error');\n\n    if (!svgCanvas.setResolution(w, h)) {\n      $.alert(uiStrings.notification.noContentToFitTo);\n      return false;\n    }\n\n    // Set image save option\n    $.pref('img_save', $('#image_save_opts :checked').val());\n    updateCanvas();\n    hideDocProperties();\n  };\n\n  /**\n  * Save user preferences based on current values in the UI\n  * @function module:SVGEditor.savePreferences\n  * @returns {undefined}\n  */\n  const savePreferences = editor.savePreferences = function () {\n    // Set background\n    const color = $('#bg_blocks div.cur_background').css('background-color') || '#FFF';\n    setBackground(color, $('#canvas_bg_url').val());\n\n    // set language\n    const lang = $('#lang_select').val();\n    if (lang !== $.pref('lang')) {\n      editor.putLocale(lang, goodLangs, curConfig);\n    }\n\n    // set icon size\n    setIconSize($('#iconsize').val());\n\n    // set grid setting\n    curConfig.gridSnapping = $('#grid_snapping_on')[0].checked;\n    curConfig.snappingStep = $('#grid_snapping_step').val();\n    curConfig.gridColor = $('#grid_color').val();\n    curConfig.showRulers = $('#show_rulers')[0].checked;\n\n    $('#rulers').toggle(curConfig.showRulers);\n    if (curConfig.showRulers) { updateRulers(); }\n    curConfig.baseUnit = $('#base_unit').val();\n\n    svgCanvas.setConfig(curConfig);\n\n    updateCanvas();\n    hidePreferences();\n  };\n\n  let resetScrollPos = $.noop;\n\n  const cancelOverlays = function () {\n    $('#dialog_box').hide();\n    if (!editingsource && !docprops && !preferences) {\n      if (curContext) {\n        svgCanvas.leaveContext();\n      }\n      return;\n    }\n\n    if (editingsource) {\n      if (origSource !== $('#svg_source_textarea').val()) {\n        $.confirm(uiStrings.notification.QignoreSourceChanges, function (ok) {\n          if (ok) { hideSourceEditor(); }\n        });\n      } else {\n        hideSourceEditor();\n      }\n    } else if (docprops) {\n      hideDocProperties();\n    } else if (preferences) {\n      hidePreferences();\n    }\n    resetScrollPos();\n  };\n\n  const winWh = {width: $(window).width(), height: $(window).height()};\n\n  // Fix for Issue 781: Drawing area jumps to top-left corner on window resize (IE9)\n  if (isIE()) {\n    (() => {\n      resetScrollPos = function () {\n        if (workarea[0].scrollLeft === 0 && workarea[0].scrollTop === 0) {\n          workarea[0].scrollLeft = curScrollPos.left;\n          workarea[0].scrollTop = curScrollPos.top;\n        }\n      };\n\n      curScrollPos = {\n        left: workarea[0].scrollLeft,\n        top: workarea[0].scrollTop\n      };\n\n      $(window).resize(resetScrollPos);\n      editor.ready(function () {\n        // TODO: Find better way to detect when to do this to minimize\n        // flickering effect\n        setTimeout(function () {\n          resetScrollPos();\n        }, 500);\n      });\n\n      workarea.scroll(function () {\n        curScrollPos = {\n          left: workarea[0].scrollLeft,\n          top: workarea[0].scrollTop\n        };\n      });\n    })();\n  }\n\n  $(window).resize(function (evt) {\n    $.each(winWh, function (type, val) {\n      const curval = $(window)[type]();\n      workarea[0]['scroll' + (type === 'width' ? 'Left' : 'Top')] -= (curval - val) / 2;\n      winWh[type] = curval;\n    });\n    setFlyoutPositions();\n  });\n\n  (() => {\n    workarea.scroll(function () {\n      // TODO: jQuery's scrollLeft/Top() wouldn't require a null check\n      if ($('#ruler_x').length) {\n        $('#ruler_x')[0].scrollLeft = workarea[0].scrollLeft;\n      }\n      if ($('#ruler_y').length) {\n        $('#ruler_y')[0].scrollTop = workarea[0].scrollTop;\n      }\n    });\n  })();\n\n  $('#url_notice').click(function () {\n    $.alert(this.title);\n  });\n\n  $('#change_image_url').click(promptImgURL);\n\n  // added these event handlers for all the push buttons so they\n  // behave more like buttons being pressed-in and not images\n  (function () {\n    const toolnames = ['clear', 'open', 'save', 'source', 'delete', 'delete_multi', 'paste', 'clone', 'clone_multi', 'move_top', 'move_bottom'];\n    const curClass = 'tool_button_current';\n\n    let allTools = '';\n\n    $.each(toolnames, function (i, item) {\n      allTools += (i ? ',' : '') + '#tool_' + item;\n    });\n\n    $(allTools).mousedown(function () {\n      $(this).addClass(curClass);\n    }).bind('mousedown mouseout', function () {\n      $(this).removeClass(curClass);\n    });\n\n    $('#tool_undo, #tool_redo').mousedown(function () {\n      if (!$(this).hasClass('disabled')) { $(this).addClass(curClass); }\n    }).bind('mousedown mouseout', function () {\n      $(this).removeClass(curClass);\n    });\n  }());\n\n  // switch modifier key in tooltips if mac\n  // NOTE: This code is not used yet until I can figure out how to successfully bind ctrl/meta\n  // in Opera and Chrome\n  if (isMac() && !window.opera) {\n    const shortcutButtons = ['tool_clear', 'tool_save', 'tool_source', 'tool_undo', 'tool_redo', 'tool_clone'];\n    let i = shortcutButtons.length;\n    while (i--) {\n      const button = document.getElementById(shortcutButtons[i]);\n      if (button) {\n        const {title} = button;\n        const index = title.indexOf('Ctrl+');\n        button.title = [title.substr(0, index), 'Cmd+', title.substr(index + 5)].join('');\n      }\n    }\n  }\n\n  // TODO: go back to the color boxes having white background-color and then setting\n  //  background-image to none.png (otherwise partially transparent gradients look weird)\n  const colorPicker = function (elem) {\n    const picker = elem.attr('id') === 'stroke_color' ? 'stroke' : 'fill';\n    // const opacity = (picker == 'stroke' ? $('#stroke_opacity') : $('#fill_opacity'));\n    const title = picker === 'stroke'\n      ? uiStrings.ui.pick_stroke_paint_opacity\n      : uiStrings.ui.pick_fill_paint_opacity;\n    // let wasNone = false; // Currently unused\n    const pos = elem.offset();\n    let {paint} = paintBox[picker];\n    $('#color_picker')\n      .draggable({\n        cancel: '.jGraduate_tabs, .jGraduate_colPick, .jGraduate_gradPick, .jPicker',\n        containment: 'window'\n      })\n      .css(curConfig.colorPickerCSS || {left: pos.left - 140, bottom: 40})\n      .jGraduate(\n        {\n          paint,\n          window: {pickerTitle: title},\n          images: {clientPath: curConfig.jGraduatePath},\n          newstop: 'inverse'\n        },\n        function (p) {\n          paint = new $.jGraduate.Paint(p);\n          paintBox[picker].setPaint(paint);\n          svgCanvas.setPaint(picker, paint);\n          $('#color_picker').hide();\n        },\n        function () {\n          $('#color_picker').hide();\n        }\n      );\n  };\n\n  const PaintBox = function (container, type) {\n    let paintColor, paintOpacity;\n    const cur = curConfig[type === 'fill' ? 'initFill' : 'initStroke'];\n    // set up gradients to be used for the buttons\n    const svgdocbox = new DOMParser().parseFromString(\n      `<svg xmlns=\"http://www.w3.org/2000/svg\">\n        <rect width=\"16.5\" height=\"16.5\"\n          fill=\"#${cur.color}\" opacity=\"${cur.opacity}\"/>\n        <defs><linearGradient id=\"gradbox_\"/></defs>\n      </svg>`,\n      'text/xml'\n    );\n\n    let docElem = svgdocbox.documentElement;\n    docElem = $(container)[0].appendChild(document.importNode(docElem, true));\n    docElem.setAttribute('width', 16.5);\n\n    this.rect = docElem.firstElementChild;\n    this.defs = docElem.getElementsByTagName('defs')[0];\n    this.grad = this.defs.firstElementChild;\n    this.paint = new $.jGraduate.Paint({solidColor: cur.color});\n    this.type = type;\n\n    this.setPaint = function (paint, apply) {\n      this.paint = paint;\n\n      const ptype = paint.type;\n      const opac = paint.alpha / 100;\n\n      let fillAttr = 'none';\n      switch (ptype) {\n      case 'solidColor':\n        fillAttr = (paint[ptype] !== 'none') ? '#' + paint[ptype] : paint[ptype];\n        break;\n      case 'linearGradient':\n      case 'radialGradient':\n        this.grad.remove();\n        this.grad = this.defs.appendChild(paint[ptype]);\n        const id = this.grad.id = 'gradbox_' + this.type;\n        fillAttr = 'url(#' + id + ')';\n        break;\n      }\n\n      this.rect.setAttribute('fill', fillAttr);\n      this.rect.setAttribute('opacity', opac);\n\n      if (apply) {\n        svgCanvas.setColor(this.type, paintColor, true);\n        svgCanvas.setPaintOpacity(this.type, paintOpacity, true);\n      }\n    };\n\n    this.update = function (apply) {\n      if (!selectedElement) { return; }\n\n      const {type} = this;\n      switch (selectedElement.tagName) {\n      case 'use':\n      case 'image':\n      case 'foreignObject':\n        // These elements don't have fill or stroke, so don't change\n        // the current value\n        return;\n      case 'g':\n      case 'a': {\n        const childs = selectedElement.getElementsByTagName('*');\n\n        let gPaint = null;\n        for (let i = 0, len = childs.length; i < len; i++) {\n          const elem = childs[i];\n          const p = elem.getAttribute(type);\n          if (i === 0) {\n            gPaint = p;\n          } else if (gPaint !== p) {\n            gPaint = null;\n            break;\n          }\n        }\n\n        if (gPaint === null) {\n          // No common color, don't update anything\n          paintColor = null;\n          return;\n        }\n        paintColor = gPaint;\n        paintOpacity = 1;\n        break;\n      } default:\n        paintOpacity = parseFloat(selectedElement.getAttribute(type + '-opacity'));\n        if (isNaN(paintOpacity)) {\n          paintOpacity = 1.0;\n        }\n\n        const defColor = type === 'fill' ? 'black' : 'none';\n        paintColor = selectedElement.getAttribute(type) || defColor;\n      }\n\n      if (apply) {\n        svgCanvas.setColor(type, paintColor, true);\n        svgCanvas.setPaintOpacity(type, paintOpacity, true);\n      }\n\n      paintOpacity *= 100;\n\n      const paint = getPaint(paintColor, paintOpacity, type);\n      // update the rect inside #fill_color/#stroke_color\n      this.setPaint(paint);\n    };\n\n    this.prep = function () {\n      const ptype = this.paint.type;\n\n      switch (ptype) {\n      case 'linearGradient':\n      case 'radialGradient':\n        const paint = new $.jGraduate.Paint({copy: this.paint});\n        svgCanvas.setPaint(type, paint);\n        break;\n      }\n    };\n  };\n\n  paintBox.fill = new PaintBox('#fill_color', 'fill');\n  paintBox.stroke = new PaintBox('#stroke_color', 'stroke');\n\n  $('#stroke_width').val(curConfig.initStroke.width);\n  $('#group_opacity').val(curConfig.initOpacity * 100);\n\n  // Use this SVG elem to test vectorEffect support\n  const testEl = paintBox.fill.rect.cloneNode(false);\n  testEl.setAttribute('style', 'vector-effect:non-scaling-stroke');\n  const supportsNonSS = (testEl.style.vectorEffect === 'non-scaling-stroke');\n  testEl.removeAttribute('style');\n  const svgdocbox = paintBox.fill.rect.ownerDocument;\n  // Use this to test support for blur element. Seems to work to test support in Webkit\n  const blurTest = svgdocbox.createElementNS(NS.SVG, 'feGaussianBlur');\n  if (blurTest.stdDeviationX === undefined) {\n    $('#tool_blur').hide();\n  }\n  $(blurTest).remove();\n\n  // Test for zoom icon support\n  (function () {\n    const pre = '-' + uaPrefix.toLowerCase() + '-zoom-';\n    const zoom = pre + 'in';\n    workarea.css('cursor', zoom);\n    if (workarea.css('cursor') === zoom) {\n      zoomInIcon = zoom;\n      zoomOutIcon = pre + 'out';\n    }\n    workarea.css('cursor', 'auto');\n  }());\n\n  // Test for embedImage support (use timeout to not interfere with page load)\n  setTimeout(function () {\n    svgCanvas.embedImage('images/logo.png', function (datauri) {\n      if (!datauri) {\n        // Disable option\n        $('#image_save_opts [value=embed]').attr('disabled', 'disabled');\n        $('#image_save_opts input').val(['ref']);\n        $.pref('img_save', 'ref');\n        $('#image_opt_embed').css('color', '#666').attr('title', uiStrings.notification.featNotSupported);\n      }\n    });\n  }, 1000);\n\n  $('#fill_color, #tool_fill .icon_label').click(function () {\n    colorPicker($('#fill_color'));\n    updateToolButtonState();\n  });\n\n  $('#stroke_color, #tool_stroke .icon_label').click(function () {\n    colorPicker($('#stroke_color'));\n    updateToolButtonState();\n  });\n\n  $('#group_opacityLabel').click(function () {\n    $('#opacity_dropdown button').mousedown();\n    $(window).mouseup();\n  });\n\n  $('#zoomLabel').click(function () {\n    $('#zoom_dropdown button').mousedown();\n    $(window).mouseup();\n  });\n\n  $('#tool_move_top').mousedown(function (evt) {\n    $('#tools_stacking').show();\n    evt.preventDefault();\n  });\n\n  $('.layer_button').mousedown(function () {\n    $(this).addClass('layer_buttonpressed');\n  }).mouseout(function () {\n    $(this).removeClass('layer_buttonpressed');\n  }).mouseup(function () {\n    $(this).removeClass('layer_buttonpressed');\n  });\n\n  $('.push_button').mousedown(function () {\n    if (!$(this).hasClass('disabled')) {\n      $(this).addClass('push_button_pressed').removeClass('push_button');\n    }\n  }).mouseout(function () {\n    $(this).removeClass('push_button_pressed').addClass('push_button');\n  }).mouseup(function () {\n    $(this).removeClass('push_button_pressed').addClass('push_button');\n  });\n\n  // ask for a layer name\n  $('#layer_new').click(function () {\n    let uniqName,\n      i = svgCanvas.getCurrentDrawing().getNumLayers();\n    do {\n      uniqName = uiStrings.layers.layer + ' ' + (++i);\n    } while (svgCanvas.getCurrentDrawing().hasLayer(uniqName));\n\n    $.prompt(uiStrings.notification.enterUniqueLayerName, uniqName, function (newName) {\n      if (!newName) { return; }\n      if (svgCanvas.getCurrentDrawing().hasLayer(newName)) {\n        $.alert(uiStrings.notification.dupeLayerName);\n        return;\n      }\n      svgCanvas.createLayer(newName);\n      updateContextPanel();\n      populateLayers();\n    });\n  });\n\n  function deleteLayer () {\n    if (svgCanvas.deleteCurrentLayer()) {\n      updateContextPanel();\n      populateLayers();\n      // This matches what SvgCanvas does\n      // TODO: make this behavior less brittle (svg-editor should get which\n      // layer is selected from the canvas and then select that one in the UI)\n      $('#layerlist tr.layer').removeClass('layersel');\n      $('#layerlist tr.layer:first').addClass('layersel');\n    }\n  }\n\n  function cloneLayer () {\n    const name = svgCanvas.getCurrentDrawing().getCurrentLayerName() + ' copy';\n\n    $.prompt(uiStrings.notification.enterUniqueLayerName, name, function (newName) {\n      if (!newName) { return; }\n      if (svgCanvas.getCurrentDrawing().hasLayer(newName)) {\n        $.alert(uiStrings.notification.dupeLayerName);\n        return;\n      }\n      svgCanvas.cloneLayer(newName);\n      updateContextPanel();\n      populateLayers();\n    });\n  }\n\n  function mergeLayer () {\n    if ($('#layerlist tr.layersel').index() === svgCanvas.getCurrentDrawing().getNumLayers() - 1) {\n      return;\n    }\n    svgCanvas.mergeLayer();\n    updateContextPanel();\n    populateLayers();\n  }\n\n  function moveLayer (pos) {\n    const total = svgCanvas.getCurrentDrawing().getNumLayers();\n\n    let curIndex = $('#layerlist tr.layersel').index();\n    if (curIndex > 0 || curIndex < total - 1) {\n      curIndex += pos;\n      svgCanvas.setCurrentLayerPosition(total - curIndex - 1);\n      populateLayers();\n    }\n  }\n\n  $('#layer_delete').click(deleteLayer);\n\n  $('#layer_up').click(() => {\n    moveLayer(-1);\n  });\n\n  $('#layer_down').click(() => {\n    moveLayer(1);\n  });\n\n  $('#layer_rename').click(function () {\n    // const curIndex = $('#layerlist tr.layersel').prevAll().length; // Currently unused\n    const oldName = $('#layerlist tr.layersel td.layername').text();\n    $.prompt(uiStrings.notification.enterNewLayerName, '', function (newName) {\n      if (!newName) { return; }\n      if (oldName === newName || svgCanvas.getCurrentDrawing().hasLayer(newName)) {\n        $.alert(uiStrings.notification.layerHasThatName);\n        return;\n      }\n\n      svgCanvas.renameCurrentLayer(newName);\n      populateLayers();\n    });\n  });\n\n  const SIDEPANEL_MAXWIDTH = 300;\n  const SIDEPANEL_OPENWIDTH = 150;\n  let sidedrag = -1, sidedragging = false, allowmove = false;\n\n  /**\n   * @param {Float} delta\n   * @fires module:svgcanvas.SvgCanvas#event:ext-workareaResized\n   * @returns {undefined}\n   */\n  const changeSidePanelWidth = function (delta) {\n    const rulerX = $('#ruler_x');\n    $('#sidepanels').width('+=' + delta);\n    $('#layerpanel').width('+=' + delta);\n    rulerX.css('right', parseInt(rulerX.css('right'), 10) + delta);\n    workarea.css('right', parseInt(workarea.css('right'), 10) + delta);\n    svgCanvas.runExtensions('workareaResized');\n  };\n\n  const resizeSidePanel = function (evt) {\n    if (!allowmove) { return; }\n    if (sidedrag === -1) { return; }\n    sidedragging = true;\n    let deltaX = sidedrag - evt.pageX;\n    const sideWidth = $('#sidepanels').width();\n    if (sideWidth + deltaX > SIDEPANEL_MAXWIDTH) {\n      deltaX = SIDEPANEL_MAXWIDTH - sideWidth;\n      // sideWidth = SIDEPANEL_MAXWIDTH;\n    } else if (sideWidth + deltaX < 2) {\n      deltaX = 2 - sideWidth;\n      // sideWidth = 2;\n    }\n    if (deltaX === 0) { return; }\n    sidedrag -= deltaX;\n    changeSidePanelWidth(deltaX);\n  };\n\n  /**\n   * If width is non-zero, then fully close it, otherwise fully open it\n   * @param {boolean} close Forces the side panel closed\n   * @returns {undefined}\n   */\n  const toggleSidePanel = function (close) {\n    const w = $('#sidepanels').width();\n    const deltaX = (w > 2 || close ? 2 : SIDEPANEL_OPENWIDTH) - w;\n    changeSidePanelWidth(deltaX);\n  };\n\n  $('#sidepanel_handle')\n    .mousedown(function (evt) {\n      sidedrag = evt.pageX;\n      $(window).mousemove(resizeSidePanel);\n      allowmove = false;\n      // Silly hack for Chrome, which always runs mousemove right after mousedown\n      setTimeout(function () {\n        allowmove = true;\n      }, 20);\n    })\n    .mouseup(function (evt) {\n      if (!sidedragging) { toggleSidePanel(); }\n      sidedrag = -1;\n      sidedragging = false;\n    });\n\n  $(window).mouseup(function () {\n    sidedrag = -1;\n    sidedragging = false;\n    $('#svg_editor').unbind('mousemove', resizeSidePanel);\n  });\n\n  populateLayers();\n\n  // function changeResolution (x,y) {\n  //   const {zoom} = svgCanvas.getResolution();\n  //   setResolution(x * zoom, y * zoom);\n  // }\n\n  const centerCanvas = () => {\n    // this centers the canvas vertically in the workarea (horizontal handled in CSS)\n    workarea.css('line-height', workarea.height() + 'px');\n  };\n\n  $(window).bind('load resize', centerCanvas);\n\n  function stepFontSize (elem, step) {\n    const origVal = Number(elem.value);\n    const sugVal = origVal + step;\n    const increasing = sugVal >= origVal;\n    if (step === 0) { return origVal; }\n\n    if (origVal >= 24) {\n      if (increasing) {\n        return Math.round(origVal * 1.1);\n      }\n      return Math.round(origVal / 1.1);\n    }\n    if (origVal <= 1) {\n      if (increasing) {\n        return origVal * 2;\n      }\n      return origVal / 2;\n    }\n    return sugVal;\n  }\n\n  function stepZoom (elem, step) {\n    const origVal = Number(elem.value);\n    if (origVal === 0) { return 100; }\n    const sugVal = origVal + step;\n    if (step === 0) { return origVal; }\n\n    if (origVal >= 100) {\n      return sugVal;\n    }\n    if (sugVal >= origVal) {\n      return origVal * 2;\n    }\n    return origVal / 2;\n  }\n\n  // function setResolution (w, h, center) {\n  //   updateCanvas();\n  //   // w -= 0; h -= 0;\n  //   // $('#svgcanvas').css({width: w, height: h});\n  //   // $('#canvas_width').val(w);\n  //   // $('#canvas_height').val(h);\n  //   //\n  //   // if (center) {\n  //   //   const wArea = workarea;\n  //   //   const scrollY = h/2 - wArea.height()/2;\n  //   //   const scrollX = w/2 - wArea.width()/2;\n  //   //   wArea[0].scrollTop = scrollY;\n  //   //   wArea[0].scrollLeft = scrollX;\n  //   // }\n  // }\n\n  $('#resolution').change(function () {\n    const wh = $('#canvas_width,#canvas_height');\n    if (!this.selectedIndex) {\n      if ($('#canvas_width').val() === 'fit') {\n        wh.removeAttr('disabled').val(100);\n      }\n    } else if (this.value === 'content') {\n      wh.val('fit').attr('disabled', 'disabled');\n    } else {\n      const dims = this.value.split('x');\n      $('#canvas_width').val(dims[0]);\n      $('#canvas_height').val(dims[1]);\n      wh.removeAttr('disabled');\n    }\n  });\n\n  // Prevent browser from erroneously repopulating fields\n  $('input,select').attr('autocomplete', 'off');\n\n  /**\n   * Associate all button actions as well as non-button keyboard shortcuts\n   * @namespace {PlainObject} module:SVGEditor~Actions\n   */\n  const Actions = (function () {\n    /**\n    * @typedef {PlainObject} module:SVGEditor.ToolButton\n    * @property {string} sel The CSS selector for the tool\n    * @property {external:jQuery.Function} fn A handler to be attached to the `evt`\n    * @property {string} evt The event for which the `fn` listener will be added\n    * @property {module:SVGEditor.Key} [key] [key, preventDefault, NoDisableInInput]\n    * @property {string} [parent] Selector\n    * @property {boolean} [hidekey] Whether to show key value in title\n    * @property {string} [icon] The button ID\n    * @property {boolean} isDefault For flyout holders\n    */\n    /**\n     *\n     * @name module:SVGEditor~ToolButtons\n     * @type {module:SVGEditor.ToolButton[]}\n     */\n    const toolButtons = [\n      {sel: '#tool_select', fn: clickSelect, evt: 'click', key: ['V', true]},\n      {sel: '#tool_fhpath', fn: clickFHPath, evt: 'click', key: ['Q', true]},\n      {sel: '#tool_line', fn: clickLine, evt: 'click', key: ['L', true], parent: '#tools_line', prepend: true},\n      {sel: '#tool_rect', fn: clickRect, evt: 'mouseup',\n        key: ['R', true], parent: '#tools_rect', icon: 'rect'},\n      {sel: '#tool_square', fn: clickSquare, evt: 'mouseup',\n        parent: '#tools_rect', icon: 'square'},\n      {sel: '#tool_fhrect', fn: clickFHRect, evt: 'mouseup',\n        parent: '#tools_rect', icon: 'fh_rect'},\n      {sel: '#tool_ellipse', fn: clickEllipse, evt: 'mouseup',\n        key: ['E', true], parent: '#tools_ellipse', icon: 'ellipse'},\n      {sel: '#tool_circle', fn: clickCircle, evt: 'mouseup',\n        parent: '#tools_ellipse', icon: 'circle'},\n      {sel: '#tool_fhellipse', fn: clickFHEllipse, evt: 'mouseup',\n        parent: '#tools_ellipse', icon: 'fh_ellipse'},\n      {sel: '#tool_path', fn: clickPath, evt: 'click', key: ['P', true]},\n      {sel: '#tool_text', fn: clickText, evt: 'click', key: ['T', true]},\n      {sel: '#tool_image', fn: clickImage, evt: 'mouseup'},\n      {sel: '#tool_zoom', fn: clickZoom, evt: 'mouseup', key: ['Z', true]},\n      {sel: '#tool_clear', fn: clickClear, evt: 'mouseup', key: ['N', true]},\n      {sel: '#tool_save', fn () {\n        if (editingsource) {\n          saveSourceEditor();\n        } else {\n          clickSave();\n        }\n      }, evt: 'mouseup', key: ['S', true]},\n      {sel: '#tool_export', fn: clickExport, evt: 'mouseup'},\n      {sel: '#tool_open', fn: clickOpen, evt: 'mouseup', key: ['O', true]},\n      {sel: '#tool_import', fn: clickImport, evt: 'mouseup'},\n      {sel: '#tool_source', fn: showSourceEditor, evt: 'click', key: ['U', true]},\n      {sel: '#tool_wireframe', fn: clickWireframe, evt: 'click', key: ['F', true]},\n      {sel: '#tool_source_cancel,.overlay,#tool_docprops_cancel,#tool_prefs_cancel',\n        fn: cancelOverlays, evt: 'click', key: ['esc', false, false], hidekey: true},\n      {sel: '#tool_source_save', fn: saveSourceEditor, evt: 'click'},\n      {sel: '#tool_docprops_save', fn: saveDocProperties, evt: 'click'},\n      {sel: '#tool_docprops', fn: showDocProperties, evt: 'mouseup'},\n      {sel: '#tool_prefs_save', fn: savePreferences, evt: 'click'},\n      {sel: '#tool_prefs_option', fn () { showPreferences(); return false; }, evt: 'mouseup'},\n      {sel: '#tool_delete,#tool_delete_multi', fn: deleteSelected,\n        evt: 'click', key: ['del/backspace', true]},\n      {sel: '#tool_reorient', fn: reorientPath, evt: 'click'},\n      {sel: '#tool_node_link', fn: linkControlPoints, evt: 'click'},\n      {sel: '#tool_node_clone', fn: clonePathNode, evt: 'click'},\n      {sel: '#tool_node_delete', fn: deletePathNode, evt: 'click'},\n      {sel: '#tool_openclose_path', fn: opencloseSubPath, evt: 'click'},\n      {sel: '#tool_add_subpath', fn: addSubPath, evt: 'click'},\n      {sel: '#tool_move_top', fn: moveToTopSelected, evt: 'click', key: 'ctrl+shift+]'},\n      {sel: '#tool_move_bottom', fn: moveToBottomSelected, evt: 'click', key: 'ctrl+shift+['},\n      {sel: '#tool_topath', fn: convertToPath, evt: 'click'},\n      {sel: '#tool_make_link,#tool_make_link_multi', fn: makeHyperlink, evt: 'click'},\n      {sel: '#tool_undo', fn: clickUndo, evt: 'click'},\n      {sel: '#tool_redo', fn: clickRedo, evt: 'click'},\n      {sel: '#tool_clone,#tool_clone_multi', fn: clickClone, evt: 'click', key: ['D', true]},\n      {sel: '#tool_group_elements', fn: clickGroup, evt: 'click', key: ['G', true]},\n      {sel: '#tool_ungroup', fn: clickGroup, evt: 'click'},\n      {sel: '#tool_unlink_use', fn: clickGroup, evt: 'click'},\n      {sel: '[id^=tool_align]', fn: clickAlign, evt: 'click'},\n      // these two lines are required to make Opera work properly with the flyout mechanism\n      // {sel: '#tools_rect_show', fn: clickRect, evt: 'click'},\n      // {sel: '#tools_ellipse_show', fn: clickEllipse, evt: 'click'},\n      {sel: '#tool_bold', fn: clickBold, evt: 'mousedown'},\n      {sel: '#tool_italic', fn: clickItalic, evt: 'mousedown'},\n      {sel: '#sidepanel_handle', fn: toggleSidePanel, key: ['X']},\n      {sel: '#copy_save_done', fn: cancelOverlays, evt: 'click'},\n\n      // Shortcuts not associated with buttons\n\n      {key: 'ctrl+left', fn () { rotateSelected(0, 1); }},\n      {key: 'ctrl+right', fn () { rotateSelected(1, 1); }},\n      {key: 'ctrl+shift+left', fn () { rotateSelected(0, 5); }},\n      {key: 'ctrl+shift+right', fn () { rotateSelected(1, 5); }},\n      {key: 'shift+O', fn: selectPrev},\n      {key: 'shift+P', fn: selectNext},\n      {key: [modKey + 'up', true], fn () { zoomImage(2); }},\n      {key: [modKey + 'down', true], fn () { zoomImage(0.5); }},\n      {key: [modKey + ']', true], fn () { moveUpDownSelected('Up'); }},\n      {key: [modKey + '[', true], fn () { moveUpDownSelected('Down'); }},\n      {key: ['up', true], fn () { moveSelected(0, -1); }},\n      {key: ['down', true], fn () { moveSelected(0, 1); }},\n      {key: ['left', true], fn () { moveSelected(-1, 0); }},\n      {key: ['right', true], fn () { moveSelected(1, 0); }},\n      {key: 'shift+up', fn () { moveSelected(0, -10); }},\n      {key: 'shift+down', fn () { moveSelected(0, 10); }},\n      {key: 'shift+left', fn () { moveSelected(-10, 0); }},\n      {key: 'shift+right', fn () { moveSelected(10, 0); }},\n      {key: ['alt+up', true], fn () { svgCanvas.cloneSelectedElements(0, -1); }},\n      {key: ['alt+down', true], fn () { svgCanvas.cloneSelectedElements(0, 1); }},\n      {key: ['alt+left', true], fn () { svgCanvas.cloneSelectedElements(-1, 0); }},\n      {key: ['alt+right', true], fn () { svgCanvas.cloneSelectedElements(1, 0); }},\n      {key: ['alt+shift+up', true], fn () { svgCanvas.cloneSelectedElements(0, -10); }},\n      {key: ['alt+shift+down', true], fn () { svgCanvas.cloneSelectedElements(0, 10); }},\n      {key: ['alt+shift+left', true], fn () { svgCanvas.cloneSelectedElements(-10, 0); }},\n      {key: ['alt+shift+right', true], fn () { svgCanvas.cloneSelectedElements(10, 0); }},\n      {key: 'A', fn () { svgCanvas.selectAllInCurrentLayer(); }},\n\n      // Standard shortcuts\n      {key: modKey + 'z', fn: clickUndo},\n      {key: modKey + 'shift+z', fn: clickRedo},\n      {key: modKey + 'y', fn: clickRedo},\n\n      {key: modKey + 'x', fn: cutSelected},\n      {key: modKey + 'c', fn: copySelected},\n      {key: modKey + 'v', fn: pasteInCenter}\n    ];\n\n    // Tooltips not directly associated with a single function\n    const keyAssocs = {\n      '4/Shift+4': '#tools_rect_show',\n      '5/Shift+5': '#tools_ellipse_show'\n    };\n\n    return { /** @lends module:SVGEditor~Actions */\n      /**\n       * @returns {undefined}\n       */\n      setAll () {\n        const flyouts = {};\n\n        $.each(toolButtons, function (i, opts) {\n          // Bind function to button\n          let btn;\n          if (opts.sel) {\n            btn = $(opts.sel);\n            if (!btn.length) { return true; } // Skip if markup does not exist\n            if (opts.evt) {\n              if (isTouch() && opts.evt === 'click') {\n                opts.evt = 'mousedown';\n              }\n              btn[opts.evt](opts.fn);\n            }\n\n            // Add to parent flyout menu, if able to be displayed\n            if (opts.parent && $(opts.parent + '_show').length) {\n              let fH = $(opts.parent);\n              if (!fH.length) {\n                fH = makeFlyoutHolder(opts.parent.substr(1));\n              }\n              if (opts.prepend) {\n                btn[0].style.margin = 'initial';\n              }\n              fH[opts.prepend ? 'prepend' : 'append'](btn);\n\n              if (!Array.isArray(flyouts[opts.parent])) {\n                flyouts[opts.parent] = [];\n              }\n              flyouts[opts.parent].push(opts);\n            }\n          }\n\n          // Bind function to shortcut key\n          if (opts.key) {\n            // Set shortcut based on options\n            let keyval,\n              // disInInp = true,\n              pd = false;\n            if (Array.isArray(opts.key)) {\n              keyval = opts.key[0];\n              if (opts.key.length > 1) { pd = opts.key[1]; }\n              // if (opts.key.length > 2) { disInInp = opts.key[2]; }\n            } else {\n              keyval = opts.key;\n            }\n            keyval += '';\n\n            const {fn} = opts;\n            $.each(keyval.split('/'), function (i, key) {\n              $(document).bind('keydown', key, function (e) {\n                fn();\n                if (pd) {\n                  e.preventDefault();\n                }\n                // Prevent default on ALL keys?\n                return false;\n              });\n            });\n\n            // Put shortcut in title\n            if (opts.sel && !opts.hidekey && btn.attr('title')) {\n              const newTitle = btn.attr('title').split('[')[0] + ' (' + keyval + ')';\n              keyAssocs[keyval] = opts.sel;\n              // Disregard for menu items\n              if (!btn.parents('#main_menu').length) {\n                btn.attr('title', newTitle);\n              }\n            }\n          }\n        });\n\n        // Setup flyouts\n        setupFlyouts(flyouts);\n\n        // Misc additional actions\n\n        // Make 'return' keypress trigger the change event\n        $('.attr_changer, #image_url').bind('keydown', 'return',\n          function (evt) {\n            $(this).change();\n            evt.preventDefault();\n          }\n        );\n\n        $(window).bind('keydown', 'tab', function (e) {\n          if (uiContext === 'canvas') {\n            e.preventDefault();\n            selectNext();\n          }\n        }).bind('keydown', 'shift+tab', function (e) {\n          if (uiContext === 'canvas') {\n            e.preventDefault();\n            selectPrev();\n          }\n        });\n\n        $('#tool_zoom').dblclick(dblclickZoom);\n      },\n      /**\n       * @returns {undefined}\n       */\n      setTitles () {\n        $.each(keyAssocs, function (keyval, sel) {\n          const menu = ($(sel).parents('#main_menu').length);\n\n          $(sel).each(function () {\n            let t;\n            if (menu) {\n              t = $(this).text().split(' [')[0];\n            } else {\n              t = this.title.split(' [')[0];\n            }\n            let keyStr = '';\n            // Shift+Up\n            $.each(keyval.split('/'), function (i, key) {\n              const modBits = key.split('+');\n              let mod = '';\n              if (modBits.length > 1) {\n                mod = modBits[0] + '+';\n                key = modBits[1];\n              }\n              keyStr += (i ? '/' : '') + mod + (uiStrings['key_' + key] || key);\n            });\n            if (menu) {\n              this.lastChild.textContent = t + ' [' + keyStr + ']';\n            } else {\n              this.title = t + ' [' + keyStr + ']';\n            }\n          });\n        });\n      },\n      /**\n       * @param {string} sel Selector to match\n       * @returns {module:SVGEditor.ToolButton}\n       */\n      getButtonData (sel) {\n        return Object.values(toolButtons).find((btn) => {\n          return btn.sel === sel;\n        });\n      }\n    };\n  }());\n\n  // Select given tool\n  editor.ready(function () {\n    let tool;\n    const itool = curConfig.initTool,\n      container = $('#tools_left, #svg_editor .tools_flyout'),\n      preTool = container.find('#tool_' + itool),\n      regTool = container.find('#' + itool);\n    if (preTool.length) {\n      tool = preTool;\n    } else if (regTool.length) {\n      tool = regTool;\n    } else {\n      tool = $('#tool_select');\n    }\n    tool.click().mouseup();\n\n    if (curConfig.wireframe) {\n      $('#tool_wireframe').click();\n    }\n\n    if (curConfig.showlayers) {\n      toggleSidePanel();\n    }\n\n    $('#rulers').toggle(!!curConfig.showRulers);\n\n    if (curConfig.showRulers) {\n      $('#show_rulers')[0].checked = true;\n    }\n\n    if (curConfig.baseUnit) {\n      $('#base_unit').val(curConfig.baseUnit);\n    }\n\n    if (curConfig.gridSnapping) {\n      $('#grid_snapping_on')[0].checked = true;\n    }\n\n    if (curConfig.snappingStep) {\n      $('#grid_snapping_step').val(curConfig.snappingStep);\n    }\n\n    if (curConfig.gridColor) {\n      $('#grid_color').val(curConfig.gridColor);\n    }\n  });\n\n  // init SpinButtons\n  $('#rect_rx').SpinButton({min: 0, max: 1000, stateObj, callback: changeRectRadius});\n  $('#stroke_width').SpinButton({min: 0, max: 99, smallStep: 0.1, stateObj, callback: changeStrokeWidth});\n  $('#angle').SpinButton({min: -180, max: 180, step: 5, stateObj, callback: changeRotationAngle});\n  $('#font_size').SpinButton({min: 0.001, stepfunc: stepFontSize, stateObj, callback: changeFontSize});\n  $('#group_opacity').SpinButton({min: 0, max: 100, step: 5, stateObj, callback: changeOpacity});\n  $('#blur').SpinButton({min: 0, max: 10, step: 0.1, stateObj, callback: changeBlur});\n  $('#zoom').SpinButton({min: 0.001, max: 10000, step: 50, stepfunc: stepZoom, stateObj, callback: changeZoom})\n    // Set default zoom\n    .val(svgCanvas.getZoom() * 100);\n\n  $('#workarea').contextMenu(\n    {\n      menu: 'cmenu_canvas',\n      inSpeed: 0\n    },\n    function (action, el, pos) {\n      switch (action) {\n      case 'delete':\n        deleteSelected();\n        break;\n      case 'cut':\n        cutSelected();\n        break;\n      case 'copy':\n        copySelected();\n        break;\n      case 'paste':\n        svgCanvas.pasteElements();\n        break;\n      case 'paste_in_place':\n        svgCanvas.pasteElements('in_place');\n        break;\n      case 'group':\n      case 'group_elements':\n        svgCanvas.groupSelectedElements();\n        break;\n      case 'ungroup':\n        svgCanvas.ungroupSelectedElement();\n        break;\n      case 'move_front':\n        moveToTopSelected();\n        break;\n      case 'move_up':\n        moveUpDownSelected('Up');\n        break;\n      case 'move_down':\n        moveUpDownSelected('Down');\n        break;\n      case 'move_back':\n        moveToBottomSelected();\n        break;\n      default:\n        if (hasCustomHandler(action)) {\n          getCustomHandler(action).call();\n        }\n        break;\n      }\n    }\n  );\n\n  const lmenuFunc = function (action, el, pos) {\n    switch (action) {\n    case 'dupe':\n      cloneLayer();\n      break;\n    case 'delete':\n      deleteLayer();\n      break;\n    case 'merge_down':\n      mergeLayer();\n      break;\n    case 'merge_all':\n      svgCanvas.mergeAllLayers();\n      updateContextPanel();\n      populateLayers();\n      break;\n    }\n  };\n\n  $('#layerlist').contextMenu(\n    {\n      menu: 'cmenu_layers',\n      inSpeed: 0\n    },\n    lmenuFunc\n  );\n\n  $('#layer_moreopts').contextMenu(\n    {\n      menu: 'cmenu_layers',\n      inSpeed: 0,\n      allowLeft: true\n    },\n    lmenuFunc\n  );\n\n  $('.contextMenu li').mousedown(function (ev) {\n    ev.preventDefault();\n  });\n\n  $('#cmenu_canvas li').disableContextMenu();\n  canvMenu.enableContextMenuItems('#delete,#cut,#copy');\n\n  function enableOrDisableClipboard () {\n    let svgeditClipboard;\n    try {\n      svgeditClipboard = localStorage.getItem('svgedit_clipboard');\n    } catch (err) {}\n    canvMenu[(svgeditClipboard ? 'en' : 'dis') + 'ableContextMenuItems'](\n      '#paste,#paste_in_place'\n    );\n  }\n  enableOrDisableClipboard();\n\n  window.addEventListener('storage', function (e) {\n    if (e.key !== 'svgedit_clipboard') { return; }\n\n    enableOrDisableClipboard();\n  });\n\n  window.addEventListener('beforeunload', function (e) {\n    // Suppress warning if page is empty\n    if (undoMgr.getUndoStackSize() === 0) {\n      editor.showSaveWarning = false;\n    }\n\n    // showSaveWarning is set to 'false' when the page is saved.\n    if (!curConfig.no_save_warning && editor.showSaveWarning) {\n      // Browser already asks question about closing the page\n      e.returnValue = uiStrings.notification.unsavedChanges; // Firefox needs this when beforeunload set by addEventListener (even though message is not used)\n      return uiStrings.notification.unsavedChanges;\n    }\n  }, false);\n\n  /**\n  * Expose the uiStrings\n  * @function module:SVGEditor.canvas.getUIStrings\n  * @returns {module:SVGEditor.uiStrings}\n  */\n  editor.canvas.getUIStrings = function () {\n    return uiStrings;\n  };\n\n  /**\n  * @callback module:SVGEditor.OpenPrepCallback\n  * @param {boolean} noChanges\n  * @returns {undefined}\n  */\n  /**\n  * @param {module:SVGEditor.OpenPrepCallback} func Confirmation dialog callback\n  * @returns {undefined}\n  */\n  editor.openPrep = function (func) {\n    $('#main_menu').hide();\n    if (undoMgr.getUndoStackSize() === 0) {\n      func(true);\n    } else {\n      $.confirm(uiStrings.notification.QwantToOpen, func);\n    }\n  };\n\n  function onDragEnter (e) {\n    e.stopPropagation();\n    e.preventDefault();\n    // and indicator should be displayed here, such as \"drop files here\"\n  }\n\n  function onDragOver (e) {\n    e.stopPropagation();\n    e.preventDefault();\n  }\n\n  function onDragLeave (e) {\n    e.stopPropagation();\n    e.preventDefault();\n    // hypothetical indicator should be removed here\n  }\n  // Use HTML5 File API: http://www.w3.org/TR/FileAPI/\n  // if browser has HTML5 File API support, then we will show the open menu item\n  // and provide a file input to click. When that change event fires, it will\n  // get the text contents of the file and send it to the canvas\n  if (window.FileReader) {\n    const importImage = function (e) {\n      $.process_cancel(uiStrings.notification.loadingImage);\n      e.stopPropagation();\n      e.preventDefault();\n      $('#workarea').removeAttr('style');\n      $('#main_menu').hide();\n      const file = (e.type === 'drop') ? e.dataTransfer.files[0] : this.files[0];\n      if (!file) {\n        $('#dialog_box').hide();\n        return;\n      }\n      /* if (file.type === 'application/pdf') { // Todo: Handle PDF imports\n\n      }\n      else */\n      if (file.type.includes('image')) {\n        // Detected an image\n        // svg handling\n        let reader;\n        if (file.type.includes('svg')) {\n          reader = new FileReader();\n          reader.onloadend = function (e) {\n            const newElement = svgCanvas.importSvgString(e.target.result, true);\n            svgCanvas.ungroupSelectedElement();\n            svgCanvas.ungroupSelectedElement();\n            svgCanvas.groupSelectedElements();\n            svgCanvas.alignSelectedElements('m', 'page');\n            svgCanvas.alignSelectedElements('c', 'page');\n            // highlight imported element, otherwise we get strange empty selectbox\n            svgCanvas.selectOnly([newElement]);\n            $('#dialog_box').hide();\n          };\n          reader.readAsText(file);\n        } else {\n          // bitmap handling\n          reader = new FileReader();\n          reader.onloadend = function ({target: {result}}) {\n            // let's insert the new image until we know its dimensions\n            const insertNewImage = function (width, height) {\n              const newImage = svgCanvas.addSVGElementFromJson({\n                element: 'image',\n                attr: {\n                  x: 0,\n                  y: 0,\n                  width,\n                  height,\n                  id: svgCanvas.getNextId(),\n                  style: 'pointer-events:inherit'\n                }\n              });\n              svgCanvas.setHref(newImage, result);\n              svgCanvas.selectOnly([newImage]);\n              svgCanvas.alignSelectedElements('m', 'page');\n              svgCanvas.alignSelectedElements('c', 'page');\n              updateContextPanel();\n              $('#dialog_box').hide();\n            };\n            // create dummy img so we know the default dimensions\n            let imgWidth = 100;\n            let imgHeight = 100;\n            const img = new Image();\n            img.style.opacity = 0;\n            img.onload = function () {\n              imgWidth = img.offsetWidth || img.naturalWidth || img.width;\n              imgHeight = img.offsetHeight || img.naturalHeight || img.height;\n              insertNewImage(imgWidth, imgHeight);\n            };\n            img.src = result;\n          };\n          reader.readAsDataURL(file);\n        }\n      }\n    };\n\n    workarea[0].addEventListener('dragenter', onDragEnter, false);\n    workarea[0].addEventListener('dragover', onDragOver, false);\n    workarea[0].addEventListener('dragleave', onDragLeave, false);\n    workarea[0].addEventListener('drop', importImage, false);\n\n    const open = $('<input type=\"file\">').click(function () {\n      const f = this;\n      editor.openPrep(function (ok) {\n        if (!ok) { return; }\n        svgCanvas.clear();\n        if (f.files.length === 1) {\n          $.process_cancel(uiStrings.notification.loadingImage);\n          const reader = new FileReader();\n          reader.onloadend = function (e) {\n            loadSvgString(e.target.result);\n            updateCanvas();\n          };\n          reader.readAsText(f.files[0]);\n        }\n      });\n    });\n    $('#tool_open').show().prepend(open);\n\n    const imgImport = $('<input type=\"file\">').change(importImage);\n    $('#tool_import').show().prepend(imgImport);\n  }\n\n  // $(function () {\n  updateCanvas(true);\n  // });\n\n  //  const revnums = 'svg-editor.js ($Rev$) ';\n  //  revnums += svgCanvas.getVersion();\n  //  $('#copyright')[0].setAttribute('title', revnums);\n\n  /**\n  * @function module:SVGEditor.setLang\n  * @param {string} lang The language code\n  * @param {module:locale.LocaleStrings} allStrings See {@tutorial LocaleDocs}\n  * @fires module:svgcanvas.SvgCanvas#event:ext-langReady\n  * @fires module:svgcanvas.SvgCanvas#event:ext-langChanged\n  * @returns {undefined}\n  */\n  const setLang = editor.setLang = function (lang, allStrings) {\n    editor.langChanged = true;\n    $.pref('lang', lang);\n    $('#lang_select').val(lang);\n    if (!allStrings) {\n      return;\n    }\n    $.extend(uiStrings, allStrings);\n\n    // const notif = allStrings.notification; // Currently unused\n    // $.extend will only replace the given strings\n    const oldLayerName = $('#layerlist tr.layersel td.layername').text();\n    const renameLayer = (oldLayerName === uiStrings.common.layer + ' 1');\n\n    svgCanvas.setUiStrings(allStrings);\n    Actions.setTitles();\n\n    if (renameLayer) {\n      svgCanvas.renameCurrentLayer(uiStrings.common.layer + ' 1');\n      populateLayers();\n    }\n\n    // In case extensions loaded before the locale, now we execute a callback on them\n    if (extsPreLang.length) {\n      while (extsPreLang.length) {\n        const ext = extsPreLang.shift();\n        ext.langReady({\n          lang,\n          uiStrings,\n          importLocale: getImportLocale({defaultLang: lang, defaultName: ext.name})\n        });\n      }\n    } else {\n      svgCanvas.runExtensions('langReady', /** @type {module:svgcanvas.SvgCanvas#event:ext-langReady} */ {lang, uiStrings});\n    }\n    svgCanvas.runExtensions('langChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-langChanged} */ lang);\n\n    // Update flyout tooltips\n    setFlyoutTitles();\n\n    // Copy title for certain tool elements\n    const elems = {\n      '#stroke_color': '#tool_stroke .icon_label, #tool_stroke .color_block',\n      '#fill_color': '#tool_fill label, #tool_fill .color_block',\n      '#linejoin_miter': '#cur_linejoin',\n      '#linecap_butt': '#cur_linecap'\n    };\n\n    $.each(elems, function (source, dest) {\n      $(dest).attr('title', $(source)[0].title);\n    });\n\n    // Copy alignment titles\n    $('#multiselected_panel div[id^=tool_align]').each(function () {\n      $('#tool_pos' + this.id.substr(10))[0].title = this.title;\n    });\n  };\n  localeInit(\n    /**\n    * @implements {module:locale.LocaleEditorInit}\n    */\n    {\n      /**\n      * Gets an array of results from extensions with a `addLangData` method\n      * returning an object with a `data` property set to its locales (to be\n      * merged with regular locales)\n      * @param {string} langParam\n      * @fires module:svgcanvas.SvgCanvas#event:ext-addLangData\n      * @todo Can we forego this in favor of `langReady` (or forego `langReady`)?\n      * @returns {module:locale.AddLangExtensionLocaleData[]}\n      */\n      addLangData (langParam) {\n        return svgCanvas.runExtensions(\n          'addLangData',\n          /**\n           * @function\n           * @type {module:svgcanvas.ExtensionVarBuilder}\n           * @param {string} defaultLang\n           * @param {string} defaultName\n           * @returns {module:svgcanvas.SvgCanvas#event:ext-addLangData}\n           */\n          (name) => { // We pass in a function as we don't know the extension name here when defining this `addLangData` method\n            return {\n              lang: langParam,\n              importLocale: getImportLocale({defaultLang: langParam, defaultName: name})\n            };\n          },\n          true\n        );\n      },\n      curConfig\n    }\n  );\n  // Load extensions\n  // Bit of a hack to run extensions in local Opera/IE9\n  if (document.location.protocol === 'file:') {\n    setTimeout(extAndLocaleFunc, 100);\n  } else {\n    // Returns a promise (if we wanted to fire 'extensions-loaded' event, potentially useful to hide interface as some extension locales are only available after this)\n    extAndLocaleFunc();\n  }\n};\n\n/**\n* @callback module:SVGEditor.ReadyCallback\n* @returns {undefined}\n*/\n/**\n* Queues a callback to be invoked when the editor is ready (or\n*   to be invoked immediately if it is already ready--i.e.,\n*   if `svgEditor.runCallbacks` has been run)\n* @param {module:SVGEditor.ReadyCallback} cb Callback to be queued to invoke\n* @returns {undefined}\n*/\neditor.ready = function (cb) {\n  if (!isReady) {\n    callbacks.push(cb);\n  } else {\n    cb();\n  }\n};\n\n/**\n* Invokes the callbacks previous set by `svgEditor.ready`\n* @returns {undefined}\n*/\neditor.runCallbacks = function () {\n  callbacks.forEach((cb) => {\n    cb();\n  });\n  isReady = true;\n};\n\n/**\n* @param {string} str The SVG string to load\n* @returns {undefined}\n*/\neditor.loadFromString = function (str) {\n  editor.ready(function () {\n    loadSvgString(str);\n  });\n};\n\n/**\n* Not presently in use\n* @param {PlainObject} featList\n* @returns {undefined}\n*/\neditor.disableUI = function (featList) {\n  // $(function () {\n  //   $('#tool_wireframe, #tool_image, #main_button, #tool_source, #sidepanels').remove();\n  //   $('#tools_top').css('left', 5);\n  // });\n};\n\n/**\n * @callback module:SVGEditor.URLLoadCallback\n * @param {boolean} success\n * @returns {undefined}\n */\n/**\n* @param {string} url URL from which to load an SVG string via Ajax\n* @param {PlainObject} [opts] May contain properties: `cache`, `callback`\n* @param {boolean} opts.cache\n* @param {module:SVGEditor.URLLoadCallback} opts.callback Invoked with `true` or `false` depending on success\n* @returns {undefined}\n*/\neditor.loadFromURL = function (url, opts) {\n  if (!opts) { opts = {}; }\n\n  const {cache, callback: cb} = opts;\n\n  editor.ready(function () {\n    $.ajax({\n      url,\n      dataType: 'text',\n      cache: !!cache,\n      beforeSend () {\n        $.process_cancel(uiStrings.notification.loadingImage);\n      },\n      success (str) {\n        loadSvgString(str, cb);\n      },\n      error (xhr, stat, err) {\n        if (xhr.status !== 404 && xhr.responseText) {\n          loadSvgString(xhr.responseText, cb);\n        } else {\n          $.alert(uiStrings.notification.URLloadFail + ': \\n' + err, cb);\n        }\n      },\n      complete () {\n        $('#dialog_box').hide();\n      }\n    });\n  });\n};\n\n/**\n* @param {string} str The Data URI to base64-decode (if relevant) and load\n* @returns {undefined}\n*/\neditor.loadFromDataURI = function (str) {\n  editor.ready(function () {\n    let base64 = false;\n    let pre = str.match(/^data:image\\/svg\\+xml;base64,/);\n    if (pre) {\n      base64 = true;\n    } else {\n      pre = str.match(/^data:image\\/svg\\+xml(?:;(?:utf8)?)?,/);\n    }\n    if (pre) {\n      pre = pre[0];\n    }\n    const src = str.slice(pre.length);\n    loadSvgString(base64 ? Utils.decode64(src) : decodeURIComponent(src));\n  });\n};\n\n/**\n * @param {string} name Used internally; no need for i18n.\n * @param {module:svgcanvas.ExtensionInitCallback} init Config to be invoked on this module\n * @param {module:SVGEditor~ImportLocale} importLocale Importer defaulting to pth with current extension name and locale\n * @throws {Error} If called too early\n * @returns {Promise} Resolves to `undefined`\n*/\neditor.addExtension = function (name, init, importLocale) {\n  // Note that we don't want this on editor.ready since some extensions\n  // may want to run before then (like server_opensave).\n  // $(function () {\n  if (!svgCanvas) {\n    throw new Error('Extension added too early');\n  }\n  return svgCanvas.addExtension.call(this, name, init, importLocale);\n  // });\n};\n\n// Defer injection to wait out initial menu processing. This probably goes\n//    away once all context menu behavior is brought to context menu.\neditor.ready(() => {\n  injectExtendedContextMenuItemsIntoDom();\n});\n\nlet extensionsAdded = false;\nconst messageQueue = [];\n/**\n * @param {Any} data\n * @param {string} origin\n * @fires module:svgcanvas.SvgCanvas#event:message\n * @returns {undefined}\n */\nconst messageListener = ({data, origin}) => {\n  // console.log('data, origin, extensionsAdded', data, origin, extensionsAdded);\n  const messageObj = {data, origin};\n  if (!extensionsAdded) {\n    messageQueue.push(messageObj);\n  } else {\n    // Extensions can handle messages at this stage with their own\n    //  canvas `message` listeners\n    svgCanvas.call('message', messageObj);\n  }\n};\nwindow.addEventListener('message', messageListener);\n\n// Run init once DOM is loaded\n// jQuery(editor.init);\nPromise.resolve().then(() => {\n  // We wait a micro-task to let the svgEditor variable be defined for module checks\n  editor.init();\n});\n\nexport default editor;\n","// Todo: Update: https://github.com/jeresig/jquery.hotkeys\n/*\n * jQuery Hotkeys Plugin\n * Copyright 2010, John Resig\n * Dual licensed under the MIT or GPL Version 2 licenses.\n *\n * http://github.com/jeresig/jquery.hotkeys\n *\n * Based upon the plugin by Tzury Bar Yochay:\n * http://github.com/tzuryby/hotkeys\n *\n * Original idea by:\n * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/\n*/\n\nexport default function(b){b.hotkeys={version:\"0.8\",specialKeys:{8:\"backspace\",9:\"tab\",13:\"return\",16:\"shift\",17:\"ctrl\",18:\"alt\",19:\"pause\",20:\"capslock\",27:\"esc\",32:\"space\",33:\"pageup\",34:\"pagedown\",35:\"end\",36:\"home\",37:\"left\",38:\"up\",39:\"right\",40:\"down\",45:\"insert\",46:\"del\",96:\"0\",97:\"1\",98:\"2\",99:\"3\",100:\"4\",101:\"5\",102:\"6\",103:\"7\",104:\"8\",105:\"9\",106:\"*\",107:\"+\",109:\"-\",110:\".\",111:\"/\",112:\"f1\",113:\"f2\",114:\"f3\",115:\"f4\",116:\"f5\",117:\"f6\",118:\"f7\",119:\"f8\",120:\"f9\",121:\"f10\",122:\"f11\",123:\"f12\",144:\"numlock\",145:\"scroll\",191:\"/\",224:\"meta\",219:\"[\",221:\"]\"},shiftNums:{\"`\":\"~\",\"1\":\"!\",\"2\":\"@\",\"3\":\"#\",\"4\":\"$\",\"5\":\"%\",\"6\":\"^\",\"7\":\"&\",\"8\":\"*\",\"9\":\"(\",\"0\":\")\",\"-\":\"_\",\"=\":\"+\",\";\":\": \",\"'\":'\"',\",\":\"<\",\".\":\">\",\"/\":\"?\",\"\\\\\":\"|\"}};function a(d){if(typeof d.data!==\"string\"){return}var c=d.handler,e=d.data.toLowerCase().split(\" \");d.handler=function(n){if(this!==n.target&&(/textarea|select/i.test(n.target.nodeName)||n.target.type===\"text\")){return}var h=n.type!==\"keypress\"&&b.hotkeys.specialKeys[n.which],o=String.fromCharCode(n.which).toLowerCase(),k,m=\"\",g={};if(n.altKey&&h!==\"alt\"){m+=\"alt+\"}if(n.ctrlKey&&h!==\"ctrl\"){m+=\"ctrl+\"}if(n.metaKey&&!n.ctrlKey&&h!==\"meta\"){m+=\"meta+\"}if(n.shiftKey&&h!==\"shift\"){m+=\"shift+\"}if(h){g[m+h]=true}else{g[m+o]=true;g[m+b.hotkeys.shiftNums[o]]=true;if(m===\"shift+\"){g[b.hotkeys.shiftNums[o]]=true}}for(var j=0,f=e.length;j<f;j++){if(g[e[j]]){return c.apply(this,arguments)}}}}b.each([\"keydown\",\"keyup\",\"keypress\"],function(){b.event.special[this]={add:a}})\n\nreturn b;\n}\n","/*\n * Todo: Update to latest at https://github.com/cowboy/jquery-bbq ?\n * jQuery BBQ: Back Button & Query Library - v1.2.1 - 2/17/2010\n * http://benalman.com/projects/jquery-bbq-plugin/\n *\n * Copyright (c) 2010 \"Cowboy\" Ben Alman\n * Dual licensed under the MIT and GPL licenses.\n * http://benalman.com/about/license/\n */\n\n// For sake of modules, added this wrapping export and changed `this` to `window`\nexport default function (jQuery) {\n\n(function($,p){var i,m=Array.prototype.slice,r=decodeURIComponent,a=$.param,c,l,v,b=$.bbq=$.bbq||{},q,u,j,e=$.event.special,d=\"hashchange\",A=\"querystring\",D=\"fragment\",y=\"elemUrlAttr\",g=\"location\",k=\"href\",t=\"src\",x=/^.*\\?|#.*$/g,w=/^.*\\#/,h,C={};function E(F){return typeof F===\"string\"}function B(G){var F=m.call(arguments,1);return function(){return G.apply(this,F.concat(m.call(arguments)))}}function n(F){return F.replace(/^[^#]*#?(.*)$/,\"$1\")}function o(F){return F.replace(/(?:^[^?#]*\\?([^#]*).*$)?.*/,\"$1\")}function f(H,M,F,I,G){var O,L,K,N,J;if(I!==i){K=F.match(H?/^([^#]*)\\#?(.*)$/:/^([^#?]*)\\??([^#]*)(#?.*)/);J=K[3]||\"\";if(G===2&&E(I)){L=I.replace(H?w:x,\"\")}else{N=l(K[2]);I=E(I)?l[H?D:A](I):I;L=G===2?I:G===1?$.extend({},I,N):$.extend({},N,I);L=a(L);if(H){L=L.replace(h,r)}}O=K[1]+(H?\"#\":L||!K[1]?\"?\":\"\")+L+J}else{O=M(F!==i?F:p[g][k])}return O}a[A]=B(f,0,o);a[D]=c=B(f,1,n);c.noEscape=function(G){G=G||\"\";var F=$.map(G.split(\"\"),encodeURIComponent);h=new RegExp(F.join(\"|\"),\"g\")};c.noEscape(\",/\");$.deparam=l=function(I,F){var H={},G={\"true\":!0,\"false\":!1,\"null\":null};$.each(I.replace(/\\+/g,\" \").split(\"&\"),function(L,Q){var K=Q.split(\"=\"),P=r(K[0]),J,O=H,M=0,R=P.split(\"][\"),N=R.length-1;if(/\\[/.test(R[0])&&/\\]$/.test(R[N])){R[N]=R[N].replace(/\\]$/,\"\");R=R.shift().split(\"[\").concat(R);N=R.length-1}else{N=0}if(K.length===2){J=r(K[1]);if(F){J=J&&!isNaN(J)?+J:J===\"undefined\"?i:G[J]!==i?G[J]:J}if(N){for(;M<=N;M++){P=R[M]===\"\"?O.length:R[M];O=O[P]=M<N?O[P]||(R[M+1]&&isNaN(R[M+1])?{}:[]):J}}else{if($.isArray(H[P])){H[P].push(J)}else{if(H[P]!==i){H[P]=[H[P],J]}else{H[P]=J}}}}else{if(P){H[P]=F?i:\"\"}}});return H};function z(H,F,G){if(F===i||typeof F===\"boolean\"){G=F;F=a[H?D:A]()}else{F=E(F)?F.replace(H?w:x,\"\"):F}return l(F,G)}l[A]=B(z,0);l[D]=v=B(z,1);$[y]||($[y]=function(F){return $.extend(C,F)})({a:k,base:k,iframe:t,img:t,input:t,form:\"action\",link:k,script:t});j=$[y];function s(I,G,H,F){if(!E(H)&&typeof H!==\"object\"){F=H;H=G;G=i}return this.each(function(){var L=$(this),J=G||j()[(this.nodeName||\"\").toLowerCase()]||\"\",K=J&&L.attr(J)||\"\";L.attr(J,a[I](K,H,F))})}$.fn[A]=B(s,A);$.fn[D]=B(s,D);b.pushState=q=function(I,F){if(E(I)&&/^#/.test(I)&&F===i){F=2}var H=I!==i,G=c(p[g][k],H?I:{},H?F:2);p[g][k]=G+(/#/.test(G)?\"\":\"#\")};b.getState=u=function(F,G){return F===i||typeof F===\"boolean\"?v(F):v(G)[F]};b.removeState=function(F){var G={};if(F!==i){G=u();$.each($.isArray(F)?F:arguments,function(I,H){delete G[H]})}q(G,2)};e[d]=$.extend(e[d],{add:function(F){var H;function G(J){var I=J[D]=c();J.getState=function(K,L){return K===i||typeof K===\"boolean\"?l(I,K):l(I,L)[K]};H.apply(this,arguments)}if($.isFunction(F)){H=F;return G}else{H=F.handler;F.handler=G}}})})(jQuery,window);\n/*\n * jQuery hashchange event - v1.2 - 2/11/2010\n * http://benalman.com/projects/jquery-hashchange-plugin/\n *\n * Copyright (c) 2010 \"Cowboy\" Ben Alman\n * Dual licensed under the MIT and GPL licenses.\n * http://benalman.com/about/license/\n */\n(function($,i,b){var j,k=$.event.special,c=\"location\",d=\"hashchange\",l=\"href\",f=$.browser,g=document.documentMode,h=f.msie&&(g===b||g<8),e=\"on\"+d in i&&!h;function a(m){m=m||i[c][l];return m.replace(/^[^#]*#?(.*)$/,\"$1\")}$[d+\"Delay\"]=100;k[d]=$.extend(k[d],{setup:function(){if(e){return false}$(j.start)},teardown:function(){if(e){return false}$(j.stop)}});j=(function(){var m={},r,n,o,q;function p(){o=q=function(s){return s};if(h){n=$('<iframe src=\"javascript:0\"/>').hide().insertAfter(\"body\")[0].contentWindow;q=function(){return a(n.document[c][l])};o=function(u,s){if(u!==s){var t=n.document;t.open().close();t[c].hash=\"#\"+u}};o(a())}}m.start=function(){if(r){return}var t=a();o||p();(function s(){var v=a(),u=q(t);if(v!==t){o(t=v,u);$(i).trigger(d)}else{if(u!==t){i[c][l]=i[c][l].replace(/#.*/,\"\")+\"#\"+u}}r=setTimeout(s,$[d+\"Delay\"])})()};m.stop=function(){if(!n){r&&clearTimeout(r);r=0}};return m})()})(jQuery,window);\n\nreturn jQuery;\n}\n","/**\n * SVG Icon Loader 2.0\n *\n * jQuery Plugin for loading SVG icons from a single file\n *\n * Adds {@link external:jQuery.svgIcons}, {@link external:jQuery.getSvgIcon}, {@link external:jQuery.resizeSvgIcons}\n *\n * How to use:\n\n1. Create the SVG master file that includes all icons:\n\nThe master SVG icon-containing file is an SVG file that contains\n`<g>` elements. Each `<g>` element should contain the markup of an SVG\nicon. The `<g>` element has an ID that should\ncorrespond with the ID of the HTML element used on the page that should contain\nor optionally be replaced by the icon. Additionally, one empty element should be\nadded at the end with id \"svg_eof\".\n\n2. Optionally create fallback raster images for each SVG icon.\n\n3. Include the jQuery and the SVG Icon Loader scripts on your page.\n\n4. Run `$.svgIcons()` when the document is ready. See its signature\n\n5. To access an icon at a later point without using the callback, use this:\n  `$.getSvgIcon(id (string), uniqueClone (boolean))`;\n\nThis will return the icon (as jQuery object) with a given ID.\n\n6. To resize icons at a later point without using the callback, use this:\n  `$.resizeSvgIcons(resizeOptions)` (use the same way as the \"resize\" parameter)\n *\n * @module jQuerySVGIcons\n * @license MIT\n * @copyright (c) 2009 Alexis Deveria\n * {@link http://a.deveria.com}\n * @example usage #1:\n\n$(function() {\n  $.svgIcons('my_icon_set.svg'); // The SVG file that contains all icons\n  // No options have been set, so all icons will automatically be inserted\n  // into HTML elements that match the same IDs.\n});\n\n* @example usage #2:\n\n$(function() {\n  $.svgIcons('my_icon_set.svg', { // The SVG file that contains all icons\n    callback (icons) { // Custom callback function that sets click\n                  // events for each icon\n      $.each(icons, function(id, icon) {\n        icon.click(function() {\n          alert('You clicked on the icon with id ' + id);\n        });\n      });\n    }\n  }); //The SVG file that contains all icons\n});\n\n* @example usage #3:\n\n$(function() {\n  $.svgIcons('my_icon_set.svgz', { // The SVGZ file that contains all icons\n    w: 32,  // All icons will be 32px wide\n    h: 32,  // All icons will be 32px high\n    fallback_path: 'icons/',  // All fallback files can be found here\n    fallback: {\n      '#open_icon': 'open.png',  // The \"open.png\" will be appended to the\n                    // HTML element with ID \"open_icon\"\n      '#close_icon': 'close.png',\n      '#save_icon': 'save.png'\n    },\n    placement: {'.open_icon','open'}, // The \"open\" icon will be added\n                    // to all elements with class \"open_icon\"\n    resize () {\n      '#save_icon .svg_icon': 64  // The \"save\" icon will be resized to 64 x 64px\n    },\n\n    callback (icons) { // Sets background color for \"close\" icon\n      icons['close'].css('background','red');\n    },\n\n    svgz: true // Indicates that an SVGZ file is being used\n\n  })\n});\n*/\n\n/**\n* @callback module:jQuerySVGIcons.SVGIconsLoadedCallback\n* @param {PlainObject.<string, external:jQuery>} svgIcons IDs keyed to jQuery objects of images\n*/\n\n/**\n * @function module:jQuerySVGIcons.jQuerySVGIcons\n * @param {external:jQuery} $ Its keys include all icon IDs and the values, the icon as a jQuery object\n*/\nexport default function ($) {\n  const svgIcons = {};\n\n  let fixIDs;\n  /**\n  * @function external:jQuery.svgIcons\n  * @param {string} file The location of a local SVG or SVGz file\n  * @param {PlainObject} [options]\n  * @param {Float} [options.w] The icon widths\n  * @param {Float} [options.h] The icon heights\n  * @param {PlainObject.<string, string>} [options.fallback] List of raster images with each\n    key being the SVG icon ID to replace, and the value the image file name\n  * @param {string} [options.fallback_path] The path to use for all images\n    listed under \"fallback\"\n  * @param {boolean} [options.replace] If set to `true`, HTML elements will be replaced by,\n    rather than include the SVG icon.\n  * @param {PlainObject.<string, string>} [options.placement] List with selectors for keys and SVG icon ids\n    as values. This provides a custom method of adding icons.\n  * @param {PlainObject.<string, module:jQuerySVGIcons.Size>} [options.resize] List with selectors for keys and numbers\n    as values. This allows an easy way to resize specific icons.\n  * @param {module:jQuerySVGIcons.SVGIconsLoadedCallback} [options.callback] A function to call when all icons have been loaded.\n  * @param {boolean} [options.id_match=true] Automatically attempt to match SVG icon ids with\n    corresponding HTML id\n  * @param {boolean} [options.no_img] Prevent attempting to convert the icon into an `<img>`\n    element (may be faster, help for browser consistency)\n  * @param {boolean} [options.svgz] Indicate that the file is an SVGZ file, and thus not to\n    parse as XML. SVGZ files add compression benefits, but getting data from\n    them fails in Firefox 2 and older.\n  */\n  $.svgIcons = function (file, opts = {}) {\n    const svgns = 'http://www.w3.org/2000/svg',\n      xlinkns = 'http://www.w3.org/1999/xlink',\n      iconW = opts.w || 24,\n      iconH = opts.h || 24;\n    let elems, svgdoc, testImg,\n      iconsMade = false, dataLoaded = false, loadAttempts = 0;\n    const isOpera = !!window.opera,\n      // ua = navigator.userAgent,\n      // isSafari = (ua.includes('Safari/') && !ua.includes('Chrome/')),\n      dataPre = 'data:image/svg+xml;charset=utf-8;base64,';\n\n    let dataEl;\n    if (opts.svgz) {\n      dataEl = $('<object data=\"' + file + '\" type=image/svg+xml>').appendTo('body').hide();\n      try {\n        svgdoc = dataEl[0].contentDocument;\n        dataEl.load(getIcons);\n        getIcons(0, true); // Opera will not run \"load\" event if file is already cached\n      } catch (err1) {\n        useFallback();\n      }\n    } else {\n      const parser = new DOMParser();\n      $.ajax({\n        url: file,\n        dataType: 'string',\n        success (data) {\n          if (!data) {\n            $(useFallback);\n            return;\n          }\n          svgdoc = parser.parseFromString(data, 'text/xml');\n          $(function () {\n            getIcons('ajax');\n          });\n        },\n        error (err) {\n          // TODO: Fix Opera widget icon bug\n          if (window.opera) {\n            $(function () {\n              useFallback();\n            });\n          } else {\n            if (err.responseText) {\n              svgdoc = parser.parseFromString(err.responseText, 'text/xml');\n\n              if (!svgdoc.childNodes.length) {\n                $(useFallback);\n              }\n              $(function () {\n                getIcons('ajax');\n              });\n            } else {\n              $(useFallback);\n            }\n          }\n        }\n      });\n    }\n\n    function getIcons (evt, noWait) {\n      if (evt !== 'ajax') {\n        if (dataLoaded) return;\n        // Webkit sometimes says svgdoc is undefined, other times\n        // it fails to load all nodes. Thus we must make sure the \"eof\"\n        // element is loaded.\n        svgdoc = dataEl[0].contentDocument; // Needed again for Webkit\n        const isReady = (svgdoc && svgdoc.getElementById('svg_eof'));\n        if (!isReady && !(noWait && isReady)) {\n          loadAttempts++;\n          if (loadAttempts < 50) {\n            setTimeout(getIcons, 20);\n          } else {\n            useFallback();\n            dataLoaded = true;\n          }\n          return;\n        }\n        dataLoaded = true;\n      }\n\n      elems = $(svgdoc.firstChild).children(); // .getElementsByTagName('foreignContent');\n\n      if (!opts.no_img) {\n        const testSrc = dataPre + 'PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNzUiIGhlaWdodD0iMjc1Ij48L3N2Zz4%3D';\n\n        testImg = $(new Image()).attr({\n          src: testSrc,\n          width: 0,\n          height: 0\n        }).appendTo('body')\n          .load(function () {\n            // Safari 4 crashes, Opera and Chrome don't\n            makeIcons(true);\n          }).error(function () {\n            makeIcons();\n          });\n      } else {\n        setTimeout(function () {\n          if (!iconsMade) makeIcons();\n        }, 500);\n      }\n    }\n\n    function setIcon (target, icon, id, setID) {\n      if (isOpera) icon.css('visibility', 'hidden');\n      if (opts.replace) {\n        if (setID) icon.attr('id', id);\n        const cl = target.attr('class');\n        if (cl) icon.attr('class', 'svg_icon ' + cl);\n        target.replaceWith(icon);\n      } else {\n        target.append(icon);\n      }\n      if (isOpera) {\n        setTimeout(function () {\n          icon.removeAttr('style');\n        }, 1);\n      }\n    }\n\n    let holder;\n    function addIcon (icon, id) {\n      if (opts.id_match === undefined || opts.id_match !== false) {\n        setIcon(holder, icon, id, true);\n      }\n      svgIcons[id] = icon;\n    }\n\n    function makeIcons (toImage, fallback) {\n      if (iconsMade) return;\n      if (opts.no_img) toImage = false;\n\n      let tempHolder;\n      if (toImage) {\n        tempHolder = $(document.createElement('div'));\n        tempHolder.hide().appendTo('body');\n      }\n      if (fallback) {\n        const path = opts.fallback_path || '';\n        $.each(fallback, function (id, imgsrc) {\n          holder = $('#' + id);\n          const icon = $(new Image())\n            .attr({\n              class: 'svg_icon',\n              src: path + imgsrc,\n              width: iconW,\n              height: iconH,\n              alt: 'icon'\n            });\n\n          addIcon(icon, id);\n        });\n      } else {\n        const len = elems.length;\n        for (let i = 0; i < len; i++) {\n          const elem = elems[i];\n          const {id} = elem;\n          if (id === 'svg_eof') break;\n          holder = $('#' + id);\n          const svgroot = document.createElementNS(svgns, 'svg');\n          // Per https://www.w3.org/TR/xml-names11/#defaulting, the namespace for\n          // attributes should have no value.\n          svgroot.setAttributeNS(null, 'viewBox', [0, 0, iconW, iconH].join(' '));\n\n          let svg = elem.getElementsByTagNameNS(svgns, 'svg')[0];\n\n          // Make flexible by converting width/height to viewBox\n          const w = svg.getAttribute('width');\n          const h = svg.getAttribute('height');\n          svg.removeAttribute('width');\n          svg.removeAttribute('height');\n\n          const vb = svg.getAttribute('viewBox');\n          if (!vb) {\n            svg.setAttribute('viewBox', [0, 0, w, h].join(' '));\n          }\n\n          // Not using jQuery to be a bit faster\n          svgroot.setAttribute('xmlns', svgns);\n          svgroot.setAttribute('width', iconW);\n          svgroot.setAttribute('height', iconH);\n          svgroot.setAttribute('xmlns:xlink', xlinkns);\n          svgroot.setAttribute('class', 'svg_icon');\n\n          // Without cloning, Firefox will make another GET request.\n          // With cloning, causes issue in Opera/Win/Non-EN\n          if (!isOpera) svg = svg.cloneNode(true);\n\n          svgroot.append(svg);\n\n          let icon;\n          if (toImage) {\n            tempHolder.empty().append(svgroot);\n            const str = dataPre + encode64(unescape(encodeURIComponent(new XMLSerializer().serializeToString(svgroot))));\n            icon = $(new Image())\n              .attr({class: 'svg_icon', src: str});\n          } else {\n            icon = fixIDs($(svgroot), i);\n          }\n          addIcon(icon, id);\n        }\n      }\n\n      if (opts.placement) {\n        $.each(opts.placement, function (sel, id) {\n          if (!svgIcons[id]) return;\n          $(sel).each(function (i) {\n            let copy = svgIcons[id].clone();\n            if (i > 0 && !toImage) copy = fixIDs(copy, i, true);\n            setIcon($(this), copy, id);\n          });\n        });\n      }\n      if (!fallback) {\n        if (toImage) tempHolder.remove();\n        if (dataEl) dataEl.remove();\n        if (testImg) testImg.remove();\n      }\n      if (opts.resize) $.resizeSvgIcons(opts.resize);\n      iconsMade = true;\n\n      if (opts.callback) opts.callback(svgIcons);\n    }\n\n    fixIDs = function (svgEl, svgNum, force) {\n      const defs = svgEl.find('defs');\n      if (!defs.length) return svgEl;\n\n      let idElems;\n      if (isOpera) {\n        idElems = defs.find('*').filter(function () {\n          return !!this.id;\n        });\n      } else {\n        idElems = defs.find('[id]');\n      }\n\n      const allElems = svgEl[0].getElementsByTagName('*'), len = allElems.length;\n\n      idElems.each(function (i) {\n        const {id} = this;\n        /*\n        const noDupes = ($(svgdoc).find('#' + id).length <= 1);\n        if (isOpera) noDupes = false; // Opera didn't clone svgEl, so not reliable\n        if(!force && noDupes) return;\n        */\n        const newId = 'x' + id + svgNum + i;\n        this.id = newId;\n\n        const oldVal = 'url(#' + id + ')';\n        const newVal = 'url(#' + newId + ')';\n\n        // Selector method, possibly faster but fails in Opera / jQuery 1.4.3\n        //  svgEl.find('[fill=\"url(#' + id + ')\"]').each(function() {\n        //    this.setAttribute('fill', 'url(#' + newId + ')');\n        //  }).end().find('[stroke=\"url(#' + id + ')\"]').each(function() {\n        //    this.setAttribute('stroke', 'url(#' + newId + ')');\n        //  }).end().find('use').each(function() {\n        //    if(this.getAttribute('xlink:href') == '#' + id) {\n        //      this.setAttributeNS(xlinkns,'href','#' + newId);\n        //    }\n        //  }).end().find('[filter=\"url(#' + id + ')\"]').each(function() {\n        //    this.setAttribute('filter', 'url(#' + newId + ')');\n        //  });\n\n        for (i = 0; i < len; i++) {\n          const elem = allElems[i];\n          if (elem.getAttribute('fill') === oldVal) {\n            elem.setAttribute('fill', newVal);\n          }\n          if (elem.getAttribute('stroke') === oldVal) {\n            elem.setAttribute('stroke', newVal);\n          }\n          if (elem.getAttribute('filter') === oldVal) {\n            elem.setAttribute('filter', newVal);\n          }\n        }\n      });\n      return svgEl;\n    };\n\n    function useFallback () {\n      if (file.includes('.svgz')) {\n        const regFile = file.replace('.svgz', '.svg');\n        if (window.console) {\n          console.log('.svgz failed, trying with .svg');\n        }\n        $.svgIcons(regFile, opts);\n      } else if (opts.fallback) {\n        makeIcons(false, opts.fallback);\n      }\n    }\n\n    function encode64 (input) {\n      // base64 strings are 4/3 larger than the original string\n      if (window.btoa) return window.btoa(input);\n      const _keyStr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n      const output = new Array(Math.floor((input.length + 2) / 3) * 4);\n\n      let i = 0, p = 0;\n      do {\n        const chr1 = input.charCodeAt(i++);\n        const chr2 = input.charCodeAt(i++);\n        const chr3 = input.charCodeAt(i++);\n\n        const enc1 = chr1 >> 2;\n        const enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);\n\n        let enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);\n        let enc4 = chr3 & 63;\n        if (isNaN(chr2)) {\n          enc3 = enc4 = 64;\n        } else if (isNaN(chr3)) {\n          enc4 = 64;\n        }\n\n        output[p++] = _keyStr.charAt(enc1);\n        output[p++] = _keyStr.charAt(enc2);\n        output[p++] = _keyStr.charAt(enc3);\n        output[p++] = _keyStr.charAt(enc4);\n      } while (i < input.length);\n\n      return output.join('');\n    }\n  };\n\n  /**\n  * @function external:jQuery.getSvgIcon\n  * @param {string} id\n  * @param {boolean} uniqueClone Whether to clone\n  * @returns {external:jQuery} The icon (optionally cloned)\n  */\n  $.getSvgIcon = function (id, uniqueClone) {\n    let icon = svgIcons[id];\n    if (uniqueClone && icon) {\n      icon = fixIDs(icon, 0, true).clone(true);\n    }\n    return icon;\n  };\n\n  /**\n  * @typedef {GenericArray} module:jQuerySVGIcons.Dimensions\n  * @property {Integer} length 2\n  * @property {Float} 0 Width\n  * @property {Float} 1 Height\n  */\n\n  /**\n  * If a Float is used, it will represent width and height. Arrays contain the width and height.\n  * @typedef {module:jQuerySVGIcons.Dimensions|Float} module:jQuerySVGIcons.Size\n  */\n\n  /**\n  * @function external:jQuery.resizeSvgIcons\n  * @param {PlainObject.<string, module:jQuerySVGIcons.Size>} obj Object with selectors as keys. The values are sizes.\n  * @returns {undefined}\n  */\n  $.resizeSvgIcons = function (obj) {\n    // FF2 and older don't detect .svg_icon, so we change it detect svg elems instead\n    const changeSel = !$('.svg_icon:first').length;\n    $.each(obj, function (sel, size) {\n      const arr = Array.isArray(size);\n      const w = arr ? size[0] : size,\n        h = arr ? size[1] : size;\n      if (changeSel) {\n        sel = sel.replace(/\\.svg_icon/g, 'svg');\n      }\n      $(sel).each(function () {\n        this.setAttribute('width', w);\n        this.setAttribute('height', h);\n        if (window.opera && window.widget) {\n          this.parentNode.style.width = w + 'px';\n          this.parentNode.style.height = h + 'px';\n        }\n      });\n    });\n  };\n  return $;\n}\n","/**\n * SpinButton control\n *\n * Adds bells and whistles to any ordinary textbox to\n * make it look and feel like a SpinButton Control.\n *\n * Supplies {@link external:jQuery.fn.SpinButton} (and also {@link external:jQuery.loadingStylesheets})\n *\n * Originally written by George Adamson, Software Unity (george.jquery@softwareunity.com) August 2006.\n * - Added min/max options\n * - Added step size option\n * - Added bigStep (page up/down) option\n *\n * Modifications made by Mark Gibson, (mgibson@designlinks.net) September 2006:\n * - Converted to jQuery plugin\n * - Allow limited or unlimited min/max values\n * - Allow custom class names, and add class to input element\n * - Removed global vars\n * - Reset (to original or through config) when invalid value entered\n * - Repeat whilst holding mouse button down (with initial pause, like keyboard repeat)\n * - Support mouse wheel in Firefox\n * - Fix double click in IE\n * - Refactored some code and renamed some vars\n *\n * Modifications by Jeff Schiller, June 2009:\n * - provide callback function for when the value changes based on the following\n *   {@link https://www.mail-archive.com/jquery-en@googlegroups.com/msg36070.html}\n *\n * Modifications by Jeff Schiller, July 2009:\n * - improve styling for widget in Opera\n * - consistent key-repeat handling cross-browser\n *\n * Modifications by Alexis Deveria, October 2009:\n * - provide \"stepfunc\" callback option to allow custom function to run when changing a value\n * - Made adjustValue(0) only run on certain keyup events, not all.\n *\n * Tested in IE6, Opera9, Firefox 1.5\n *\n * | Version | Date | Author | Notes\n * |---------|------|--------|------|\n * | v1.0 | 11 Aug 2006 | George Adamson | First release\n * | v1.1 | Aug 2006 | George Adamson | Minor enhancements\n * | v1.2 | 27 Sep 2006 | Mark Gibson | Major enhancements\n * | v1.3a | 28 Sep 2006 | George Adamson | Minor enhancements\n * | v1.4 | 18 Jun 2009 | Jeff Schiller | Added callback function\n * | v1.5 | 06 Jul 2009 | Jeff Schiller | Fixes for Opera.\n * | v1.6 | 13 Oct 2009 | Alexis Deveria | Added stepfunc function\n * | v1.7 | 21 Oct 2009 | Alexis Deveria | Minor fixes.<br />Fast-repeat for keys and live updating as you type.\n * | v1.8 | 12 Jan 2010 | Benjamin Thomas | Fixes for mouseout behavior.<br />Added smallStep\n * | v1.9 | 20 May 2018 | Brett Zamir | Avoid SVGEdit dependency via `stateObj` config;<br />convert to ES6 module |\n * @module jQuerySpinButton\n * @example\n\n  // Create group of settings to initialise spinbutton(s). (Optional)\n  const myOptions = {\n    min: 0, // Set lower limit.\n    max: 100, // Set upper limit.\n    step: 1, // Set increment size.\n    smallStep: 0.5, // Set shift-click increment size.\n    stateObj: {tool_scale: 1}, // Object to allow passing in live-updating scale\n    spinClass: mySpinBtnClass, // CSS class to style the spinbutton. (Class also specifies url of the up/down button image.)\n    upClass: mySpinUpClass, // CSS class for style when mouse over up button.\n    downClass: mySpinDnClass // CSS class for style when mouse over down button.\n  };\n\n  $(function () {\n    // Initialise INPUT element(s) as SpinButtons: (passing options if desired)\n    $(\"#myInputElement\").SpinButton(myOptions);\n  });\n */\n/**\n * @function module:jQuerySpinButton.jQuerySpinButton\n * @param {external:jQuery} $ The jQuery object to which to add the plug-in\n * @returns {external:jQuery}\n*/\nexport default function ($) {\n  if (!$.loadingStylesheets) {\n    $.loadingStylesheets = [];\n  }\n  const stylesheet = 'spinbtn/jQuery.SpinButton.css';\n  if (!$.loadingStylesheets.includes(stylesheet)) {\n    $.loadingStylesheets.push(stylesheet);\n  }\n  /**\n  * @callback module:jQuerySpinButton.StepCallback\n  * @param {external:jQuery} thisArg Value of `this`\n  */\n  /**\n  * @callback module:jQuerySpinButton.ValueCallback\n  * @param {external:jQuery} thisArg Value of `this`\n  * @param {Float} value Value that was changed\n  */\n  /**\n   * @typedef {PlainObject} module:jQuerySpinButton.SpinButtonConfig\n   * @property {Float} min Set lower limit\n   * @property {Float} max Set upper limit.\n   * @property {Float} step Set increment size.\n   * @property {module:jQuerySpinButton.StepCallback} stepfunc Custom function to run when changing a value; called with `this` of object and the value to adjust\n   * @property {module:jQuerySpinButton.ValueCallback} callback Called after value adjusted (with `this` of object)\n   * @property {Float} smallStep Set shift-click increment size.\n   * @property {PlainObject} stateObj Object to allow passing in live-updating scale\n   * @property {Float} stateObj.tool_scale\n   * @property {string} spinClass CSS class to style the spinbutton. (Class also specifies url of the up/down button image.)\n   * @property {string} upClass CSS class for style when mouse over up button.\n   * @property {string} downClass CSS class for style when mouse over down button.\n   * @property {Float} page Value to be adjusted on page up/page down\n   * @property {Float} reset Reset value when invalid value entered\n   * @property {Float} delay Millisecond delay\n   * @property {Float} interval Millisecond interval\n  */\n  /**\n  * @function external:jQuery.fn.SpinButton\n  * @param {module:jQuerySpinButton.SpinButtonConfig} cfg\n  * @returns {external:jQuery}\n  */\n  $.fn.SpinButton = function (cfg) {\n    cfg = cfg || {};\n    function coord (el, prop) {\n      const b = document.body;\n\n      let c = el[prop];\n      while ((el = el.offsetParent) && (el !== b)) {\n        if (!$.browser.msie || (el.currentStyle.position !== 'relative')) {\n          c += el[prop];\n        }\n      }\n\n      return c;\n    }\n\n    return this.each(function () {\n      this.repeating = false;\n\n      // Apply specified options or defaults:\n      // (Ought to refactor this some day to use $.extend() instead)\n      this.spinCfg = {\n        // min: cfg.min ? Number(cfg.min) : null,\n        // max: cfg.max ? Number(cfg.max) : null,\n        min: !isNaN(parseFloat(cfg.min)) ? Number(cfg.min) : null, // Fixes bug with min:0\n        max: !isNaN(parseFloat(cfg.max)) ? Number(cfg.max) : null,\n        step: cfg.step ? Number(cfg.step) : 1,\n        stepfunc: cfg.stepfunc || false,\n        page: cfg.page ? Number(cfg.page) : 10,\n        upClass: cfg.upClass || 'up',\n        downClass: cfg.downClass || 'down',\n        reset: cfg.reset || this.value,\n        delay: cfg.delay ? Number(cfg.delay) : 500,\n        interval: cfg.interval ? Number(cfg.interval) : 100,\n        _btn_width: 20,\n        _direction: null,\n        _delay: null,\n        _repeat: null,\n        callback: cfg.callback || null\n      };\n\n      // if a smallStep isn't supplied, use half the regular step\n      this.spinCfg.smallStep = cfg.smallStep || this.spinCfg.step / 2;\n\n      this.adjustValue = function (i) {\n        let v;\n        if (isNaN(this.value)) {\n          v = this.spinCfg.reset;\n        } else if (typeof this.spinCfg.stepfunc === 'function') {\n          v = this.spinCfg.stepfunc(this, i);\n        } else {\n          // weirdest JavaScript bug ever: 5.1 + 0.1 = 5.199999999\n          v = Number((Number(this.value) + Number(i)).toFixed(5));\n        }\n        if (this.spinCfg.min !== null) { v = Math.max(v, this.spinCfg.min); }\n        if (this.spinCfg.max !== null) { v = Math.min(v, this.spinCfg.max); }\n        this.value = v;\n        if (typeof this.spinCfg.callback === 'function') { this.spinCfg.callback(this); }\n      };\n\n      $(this)\n        .addClass(cfg.spinClass || 'spin-button')\n\n        .mousemove(function (e) {\n          // Determine which button mouse is over, or not (spin direction):\n          const x = e.pageX || e.x;\n          const y = e.pageY || e.y;\n          const el = e.target;\n          const scale = cfg.stateObj.tool_scale || 1;\n          const height = $(el).height() / 2;\n\n          const direction =\n            (x > coord(el, 'offsetLeft') +\n              el.offsetWidth * scale - this.spinCfg._btn_width)\n              ? ((y < coord(el, 'offsetTop') + height * scale) ? 1 : -1) : 0;\n\n          if (direction !== this.spinCfg._direction) {\n            // Style up/down buttons:\n            switch (direction) {\n            case 1: // Up arrow:\n              $(this).removeClass(this.spinCfg.downClass).addClass(this.spinCfg.upClass);\n              break;\n            case -1: // Down arrow:\n              $(this).removeClass(this.spinCfg.upClass).addClass(this.spinCfg.downClass);\n              break;\n            default: // Mouse is elsewhere in the textbox\n              $(this).removeClass(this.spinCfg.upClass).removeClass(this.spinCfg.downClass);\n            }\n\n            // Set spin direction:\n            this.spinCfg._direction = direction;\n          }\n        })\n\n        .mouseout(function () {\n          // Reset up/down buttons to their normal appearance when mouse moves away:\n          $(this).removeClass(this.spinCfg.upClass).removeClass(this.spinCfg.downClass);\n          this.spinCfg._direction = null;\n          window.clearInterval(this.spinCfg._repeat);\n          window.clearTimeout(this.spinCfg._delay);\n        })\n\n        .mousedown(function (e) {\n          if (e.button === 0 && this.spinCfg._direction !== 0) {\n            // Respond to click on one of the buttons:\n            const stepSize = e.shiftKey ? this.spinCfg.smallStep : this.spinCfg.step;\n\n            const adjust = () => {\n              this.adjustValue(this.spinCfg._direction * stepSize);\n            };\n\n            adjust();\n\n            // Initial delay before repeating adjustment\n            this.spinCfg._delay = window.setTimeout(() => {\n              adjust();\n              // Repeat adjust at regular intervals\n              this.spinCfg._repeat = window.setInterval(adjust, this.spinCfg.interval);\n            }, this.spinCfg.delay);\n          }\n        })\n\n        .mouseup(function (e) {\n          // Cancel repeating adjustment\n          window.clearInterval(this.spinCfg._repeat);\n          window.clearTimeout(this.spinCfg._delay);\n        })\n\n        .dblclick(function (e) {\n          if ($.browser.msie) {\n            this.adjustValue(this.spinCfg._direction * this.spinCfg.step);\n          }\n        })\n\n        .keydown(function (e) {\n          // Respond to up/down arrow keys.\n          switch (e.keyCode) {\n          case 38: this.adjustValue(this.spinCfg.step); break; // Up\n          case 40: this.adjustValue(-this.spinCfg.step); break; // Down\n          case 33: this.adjustValue(this.spinCfg.page); break; // PageUp\n          case 34: this.adjustValue(-this.spinCfg.page); break; // PageDown\n          }\n        })\n\n        /*\n        http://unixpapa.com/js/key.html describes the current state-of-affairs for\n        key repeat events:\n        - Safari 3.1 changed their model so that keydown is reliably repeated going forward\n        - Firefox and Opera still only repeat the keypress event, not the keydown\n        */\n        .keypress(function (e) {\n          if (this.repeating) {\n            // Respond to up/down arrow keys.\n            switch (e.keyCode) {\n            case 38: this.adjustValue(this.spinCfg.step); break; // Up\n            case 40: this.adjustValue(-this.spinCfg.step); break; // Down\n            case 33: this.adjustValue(this.spinCfg.page); break; // PageUp\n            case 34: this.adjustValue(-this.spinCfg.page); break; // PageDown\n            }\n          // we always ignore the first keypress event (use the keydown instead)\n          } else {\n            this.repeating = true;\n          }\n        })\n\n        // clear the 'repeating' flag\n        .keyup(function (e) {\n          this.repeating = false;\n          switch (e.keyCode) {\n          case 38: // Up\n          case 40: // Down\n          case 33: // PageUp\n          case 34: // PageDown\n          case 13: this.adjustValue(0); break; // Enter/Return\n          }\n        })\n\n        .bind('mousewheel', function (e) {\n          // Respond to mouse wheel in IE. (It returns up/dn motion in multiples of 120)\n          if (e.wheelDelta >= 120) {\n            this.adjustValue(this.spinCfg.step);\n          } else if (e.wheelDelta <= -120) {\n            this.adjustValue(-this.spinCfg.step);\n          }\n\n          e.preventDefault();\n        })\n\n        .change(function (e) {\n          this.adjustValue(0);\n        });\n\n      if (this.addEventListener) {\n        // Respond to mouse wheel in Firefox\n        this.addEventListener('DOMMouseScroll', function (e) {\n          if (e.detail > 0) {\n            this.adjustValue(-this.spinCfg.step);\n          } else if (e.detail < 0) {\n            this.adjustValue(this.spinCfg.step);\n          }\n\n          e.preventDefault();\n        }, false);\n      }\n    });\n  };\n  return $;\n}\n","/**\n * jQuery Context Menu Plugin\n * Cory S.N. LaViska\n * A Beautiful Site ({@link https://abeautifulsite.net/})\n * Modified by Alexis Deveria\n *\n * More info: {@link https://abeautifulsite.net/2008/09/jquery-context-menu-plugin/}\n *\n * @module jQueryContextMenu\n * @todo Update to latest version and adapt (and needs jQuery update as well): {@link https://github.com/swisnl/jQuery-contextMenu}\n * @version 1.01\n *\n * @license\n * Terms of Use\n *\n * This plugin is dual-licensed under the GNU General Public License\n *   and the MIT License and is copyright A Beautiful Site, LLC.\n *\n*/\nimport {isMac} from '../browser.js';\n\n/**\n* @callback module:jQueryContextMenu.jQueryContextMenuCallback\n* @param {string} href The `href` value after the first character (for bypassing an initial `#`)\n* @param {external:jQuery} srcElement The wrapped jQuery srcElement\n* @param {{x: Float, y: Float, docX: Float, docY: Float}} coords\n*/\n\n/**\n* @typedef {PlainObject} module:jQueryContextMenu.jQueryContextMenuConfig\n* @property {string} menu\n* @property {Float} inSpeed\n* @property {Float} outSpeed\n* @property {boolean} allowLeft\n*/\n\n/**\n* Adds {@link external:jQuery.fn.contextMenu}, {@link external:jQuery.fn.disableContextMenuItems}, {@link external:jQuery.fn.enableContextMenuItems}, {@link external:jQuery.fn.disableContextMenu}, {@link external:jQuery.fn.enableContextMenu}, {@link external:jQuery.fn.destroyContextMenu}\n* @function module:jQueryContextMenu.jQueryContextMenu\n* @param {external:jQuery} $ The jQuery object to wrap (with `contextMenu`, `disableContextMenuItems`, `enableContextMenuItems`, `disableContextMenu`, `enableContextMenu`, `destroyContextMenu`)\n* @returns {external:jQuery}\n*/\nfunction jQueryContextMenu ($) {\n  const win = $(window);\n  const doc = $(document);\n\n  $.extend($.fn, {\n    /**\n    * @memberof external:jQuery.fn\n    * @param {module:jQueryContextMenu.jQueryContextMenuConfig} o\n    * @param {module:jQueryContextMenu.jQueryContextMenuCallback} callback\n    * @returns {external:jQuery}\n    */\n    contextMenu (o, callback) {\n      // Defaults\n      if (o.menu === undefined) return false;\n      if (o.inSpeed === undefined) o.inSpeed = 150;\n      if (o.outSpeed === undefined) o.outSpeed = 75;\n      // 0 needs to be -1 for expected results (no fade)\n      if (o.inSpeed === 0) o.inSpeed = -1;\n      if (o.outSpeed === 0) o.outSpeed = -1;\n      // Loop each context menu\n      $(this).each(function () {\n        const el = $(this);\n        const offset = $(el).offset();\n\n        const menu = $('#' + o.menu);\n\n        // Add contextMenu class\n        menu.addClass('contextMenu');\n        // Simulate a true right click\n        $(this).bind('mousedown', function (e) {\n          const evt = e;\n          $(this).mouseup(function (e) {\n            const srcElement = $(this);\n            srcElement.unbind('mouseup');\n            if (evt.button === 2 || o.allowLeft ||\n              (evt.ctrlKey && isMac())) {\n              e.stopPropagation();\n              // Hide context menus that may be showing\n              $('.contextMenu').hide();\n              // Get this context menu\n\n              if (el.hasClass('disabled')) return false;\n\n              // Detect mouse position\n              let x = e.pageX, y = e.pageY;\n\n              const xOff = win.width() - menu.width(),\n                yOff = win.height() - menu.height();\n\n              if (x > xOff - 15) x = xOff - 15;\n              if (y > yOff - 30) y = yOff - 30; // 30 is needed to prevent scrollbars in FF\n\n              // Show the menu\n              doc.unbind('click');\n              menu.css({top: y, left: x}).fadeIn(o.inSpeed);\n              // Hover events\n              menu.find('A').mouseover(function () {\n                menu.find('LI.hover').removeClass('hover');\n                $(this).parent().addClass('hover');\n              }).mouseout(function () {\n                menu.find('LI.hover').removeClass('hover');\n              });\n\n              // Keyboard\n              doc.keypress(function (e) {\n                switch (e.keyCode) {\n                case 38: // up\n                  if (!menu.find('LI.hover').length) {\n                    menu.find('LI:last').addClass('hover');\n                  } else {\n                    menu.find('LI.hover').removeClass('hover').prevAll('LI:not(.disabled)').eq(0).addClass('hover');\n                    if (!menu.find('LI.hover').length) menu.find('LI:last').addClass('hover');\n                  }\n                  break;\n                case 40: // down\n                  if (!menu.find('LI.hover').length) {\n                    menu.find('LI:first').addClass('hover');\n                  } else {\n                    menu.find('LI.hover').removeClass('hover').nextAll('LI:not(.disabled)').eq(0).addClass('hover');\n                    if (!menu.find('LI.hover').length) menu.find('LI:first').addClass('hover');\n                  }\n                  break;\n                case 13: // enter\n                  menu.find('LI.hover A').trigger('click');\n                  break;\n                case 27: // esc\n                  doc.trigger('click');\n                  break;\n                }\n              });\n\n              // When items are selected\n              menu.find('A').unbind('mouseup');\n              menu.find('LI:not(.disabled) A').mouseup(function () {\n                doc.unbind('click').unbind('keypress');\n                $('.contextMenu').hide();\n                // Callback\n                if (callback) {\n                  callback($(this).attr('href').substr(1), $(srcElement), {x: x - offset.left, y: y - offset.top, docX: x, docY: y});\n                }\n                return false;\n              });\n\n              // Hide bindings\n              setTimeout(function () { // Delay for Mozilla\n                doc.click(function () {\n                  doc.unbind('click').unbind('keypress');\n         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break;\n  case 'touchmove': type = 'mousemove'; break;\n  case 'touchend': type = 'mouseup'; break;\n  default: return;\n  }\n\n  const {screenX, screenY, clientX, clientY} = first;\n  const simulatedEvent = new MouseEvent(type, {\n    // Event interface\n    bubbles: true,\n    cancelable: true,\n    // UIEvent interface\n    view: window,\n    detail: 1, // click count\n    // MouseEvent interface (customized)\n    screenX, screenY, clientX, clientY,\n    // MouseEvent interface (defaults) - these could be removed\n    ctrlKey: false,\n    altKey: false,\n    shiftKey: false,\n    metaKey: false,\n    button: 0, // main button (usually left)\n    relatedTarget: null\n  });\n  if (changedTouches.length < 2) {\n    first.target.dispatchEvent(simulatedEvent);\n    ev.preventDefault();\n  }\n}\n\ndocument.addEventListener('touchstart', touchHandler, true);\ndocument.addEventListener('touchmove', touchHandler, true);\ndocument.addEventListener('touchend', touchHandler, true);\ndocument.addEventListener('touchcancel', touchHandler, true);\n","/**\n * Namespaces or tools therefor\n * @module namespaces\n * @license MIT\n*/\n\n/**\n* Common namepaces constants in alpha order\n* @enum {string}\n* @type {PlainObject}\n* @memberof module:namespaces\n*/\nexport const NS = {\n  HTML: 'http://www.w3.org/1999/xhtml',\n  MATH: 'http://www.w3.org/1998/Math/MathML',\n  SE: 'http://svg-edit.googlecode.com',\n  SVG: 'http://www.w3.org/2000/svg',\n  XLINK: 'http://www.w3.org/1999/xlink',\n  XML: 'http://www.w3.org/XML/1998/namespace',\n  XMLNS: 'http://www.w3.org/2000/xmlns/' // see http://www.w3.org/TR/REC-xml-names/#xmlReserved\n};\n\n/**\n* @function module:namespaces.getReverseNS\n* @returns {string} The NS with key values switched and lowercase\n*/\nexport const getReverseNS = function () {\n  const reverseNS = {};\n  Object.entries(NS).forEach(([name, URI]) => {\n    reverseNS[URI] = name.toLowerCase();\n  });\n  return reverseNS;\n};\n","/* globals SVGPathSeg, SVGPathSegMovetoRel, SVGPathSegMovetoAbs,\n    SVGPathSegMovetoRel, SVGPathSegLinetoRel, SVGPathSegLinetoAbs,\n    SVGPathSegLinetoHorizontalRel, SVGPathSegLinetoHorizontalAbs,\n    SVGPathSegLinetoVerticalRel, SVGPathSegLinetoVerticalAbs,\n    SVGPathSegClosePath, SVGPathSegCurvetoCubicRel,\n    SVGPathSegCurvetoCubicAbs, SVGPathSegCurvetoCubicSmoothRel,\n    SVGPathSegCurvetoCubicSmoothAbs, SVGPathSegCurvetoQuadraticRel,\n    SVGPathSegCurvetoQuadraticAbs, SVGPathSegCurvetoQuadraticSmoothRel,\n    SVGPathSegCurvetoQuadraticSmoothAbs, SVGPathSegArcRel, SVGPathSegArcAbs */\n/**\n* SVGPathSeg API polyfill\n* https://github.com/progers/pathseg\n*\n* This is a drop-in replacement for the `SVGPathSeg` and `SVGPathSegList` APIs\n* that were removed from SVG2 ({@link https://lists.w3.org/Archives/Public/www-svg/2015Jun/0044.html}),\n* including the latest spec changes which were implemented in Firefox 43 and\n* Chrome 46.\n*/\n(() => {\nif (!('SVGPathSeg' in window)) {\n  // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSeg\n  class SVGPathSeg {\n    constructor (type, typeAsLetter, owningPathSegList) {\n      this.pathSegType = type;\n      this.pathSegTypeAsLetter = typeAsLetter;\n      this._owningPathSegList = owningPathSegList;\n    }\n    // Notify owning PathSegList on any changes so they can be synchronized back to the path element.\n    _segmentChanged () {\n      if (this._owningPathSegList) {\n        this._owningPathSegList.segmentChanged(this);\n      }\n    }\n  }\n  SVGPathSeg.prototype.classname = 'SVGPathSeg';\n\n  SVGPathSeg.PATHSEG_UNKNOWN = 0;\n  SVGPathSeg.PATHSEG_CLOSEPATH = 1;\n  SVGPathSeg.PATHSEG_MOVETO_ABS = 2;\n  SVGPathSeg.PATHSEG_MOVETO_REL = 3;\n  SVGPathSeg.PATHSEG_LINETO_ABS = 4;\n  SVGPathSeg.PATHSEG_LINETO_REL = 5;\n  SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS = 6;\n  SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL = 7;\n  SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS = 8;\n  SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL = 9;\n  SVGPathSeg.PATHSEG_ARC_ABS = 10;\n  SVGPathSeg.PATHSEG_ARC_REL = 11;\n  SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS = 12;\n  SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL = 13;\n  SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS = 14;\n  SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL = 15;\n  SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS = 16;\n  SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL = 17;\n  SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = 18;\n  SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = 19;\n\n  class SVGPathSegClosePath extends SVGPathSeg {\n    constructor (owningPathSegList) {\n      super(SVGPathSeg.PATHSEG_CLOSEPATH, 'z', owningPathSegList);\n    }\n    toString () { return '[object SVGPathSegClosePath]'; }\n    _asPathString () { return this.pathSegTypeAsLetter; }\n    clone () { return new SVGPathSegClosePath(undefined); }\n  }\n\n  class SVGPathSegMovetoAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_MOVETO_ABS, 'M', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegMovetoAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegMovetoAbs(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegMovetoAbs.prototype, {\n    x: {\n      get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true\n    },\n    y: {\n      get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true\n    }\n  });\n\n  class SVGPathSegMovetoRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_MOVETO_REL, 'm', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegMovetoRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegMovetoRel(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegMovetoRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegLinetoAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_LINETO_ABS, 'L', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegLinetoAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegLinetoAbs(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegLinetoAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegLinetoRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_LINETO_REL, 'l', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegLinetoRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegLinetoRel(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegLinetoRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoCubicAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x1, y1, x2, y2) {\n      super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, 'C', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x1 = x1;\n      this._y1 = y1;\n      this._x2 = x2;\n      this._y2 = y2;\n    }\n    toString () { return '[object SVGPathSegCurvetoCubicAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoCubicAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x1: {get () { return this._x1; }, set (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true},\n    y1: {get () { return this._y1; }, set (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true},\n    x2: {get () { return this._x2; }, set (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true},\n    y2: {get () { return this._y2; }, set (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoCubicRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x1, y1, x2, y2) {\n      super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, 'c', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x1 = x1;\n      this._y1 = y1;\n      this._x2 = x2;\n      this._y2 = y2;\n    }\n    toString () { return '[object SVGPathSegCurvetoCubicRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoCubicRel(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoCubicRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x1: {get () { return this._x1; }, set (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true},\n    y1: {get () { return this._y1; }, set (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true},\n    x2: {get () { return this._x2; }, set (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true},\n    y2: {get () { return this._y2; }, set (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoQuadraticAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x1, y1) {\n      super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, 'Q', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x1 = x1;\n      this._y1 = y1;\n    }\n    toString () { return '[object SVGPathSegCurvetoQuadraticAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoQuadraticAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x1: {get () { return this._x1; }, set (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true},\n    y1: {get () { return this._y1; }, set (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoQuadraticRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x1, y1) {\n      super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, 'q', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x1 = x1;\n      this._y1 = y1;\n    }\n    toString () { return '[object SVGPathSegCurvetoQuadraticRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoQuadraticRel(undefined, this._x, this._y, this._x1, this._y1); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoQuadraticRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x1: {get () { return this._x1; }, set (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true},\n    y1: {get () { return this._y1; }, set (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegArcAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {\n      super(SVGPathSeg.PATHSEG_ARC_ABS, 'A', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._r1 = r1;\n      this._r2 = r2;\n      this._angle = angle;\n      this._largeArcFlag = largeArcFlag;\n      this._sweepFlag = sweepFlag;\n    }\n    toString () { return '[object SVGPathSegArcAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag); }\n  }\n  Object.defineProperties(SVGPathSegArcAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    r1: {get () { return this._r1; }, set (r1) { this._r1 = r1; this._segmentChanged(); }, enumerable: true},\n    r2: {get () { return this._r2; }, set (r2) { this._r2 = r2; this._segmentChanged(); }, enumerable: true},\n    angle: {get () { return this._angle; }, set (angle) { this._angle = angle; this._segmentChanged(); }, enumerable: true},\n    largeArcFlag: {get () { return this._largeArcFlag; }, set (largeArcFlag) { this._largeArcFlag = largeArcFlag; this._segmentChanged(); }, enumerable: true},\n    sweepFlag: {get () { return this._sweepFlag; }, set (sweepFlag) { this._sweepFlag = sweepFlag; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegArcRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {\n      super(SVGPathSeg.PATHSEG_ARC_REL, 'a', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._r1 = r1;\n      this._r2 = r2;\n      this._angle = angle;\n      this._largeArcFlag = largeArcFlag;\n      this._sweepFlag = sweepFlag;\n    }\n    toString () { return '[object SVGPathSegArcRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegArcRel(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag); }\n  }\n  Object.defineProperties(SVGPathSegArcRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    r1: {get () { return this._r1; }, set (r1) { this._r1 = r1; this._segmentChanged(); }, enumerable: true},\n    r2: {get () { return this._r2; }, set (r2) { this._r2 = r2; this._segmentChanged(); }, enumerable: true},\n    angle: {get () { return this._angle; }, set (angle) { this._angle = angle; this._segmentChanged(); }, enumerable: true},\n    largeArcFlag: {get () { return this._largeArcFlag; }, set (largeArcFlag) { this._largeArcFlag = largeArcFlag; this._segmentChanged(); }, enumerable: true},\n    sweepFlag: {get () { return this._sweepFlag; }, set (sweepFlag) { this._sweepFlag = sweepFlag; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegLinetoHorizontalAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x) {\n      super(SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, 'H', owningPathSegList);\n      this._x = x;\n    }\n    toString () { return '[object SVGPathSegLinetoHorizontalAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x; }\n    clone () { return new SVGPathSegLinetoHorizontalAbs(undefined, this._x); }\n  }\n  Object.defineProperty(SVGPathSegLinetoHorizontalAbs.prototype, 'x', {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true});\n\n  class SVGPathSegLinetoHorizontalRel extends SVGPathSeg {\n    constructor (owningPathSegList, x) {\n      super(SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, 'h', owningPathSegList);\n      this._x = x;\n    }\n    toString () { return '[object SVGPathSegLinetoHorizontalRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x; }\n    clone () { return new SVGPathSegLinetoHorizontalRel(undefined, this._x); }\n  }\n  Object.defineProperty(SVGPathSegLinetoHorizontalRel.prototype, 'x', {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true});\n\n  class SVGPathSegLinetoVerticalAbs extends SVGPathSeg {\n    constructor (owningPathSegList, y) {\n      super(SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, 'V', owningPathSegList);\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegLinetoVerticalAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._y; }\n    clone () { return new SVGPathSegLinetoVerticalAbs(undefined, this._y); }\n  }\n  Object.defineProperty(SVGPathSegLinetoVerticalAbs.prototype, 'y', {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true});\n\n  class SVGPathSegLinetoVerticalRel extends SVGPathSeg {\n    constructor (owningPathSegList, y) {\n      super(SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, 'v', owningPathSegList);\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegLinetoVerticalRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._y; }\n    clone () { return new SVGPathSegLinetoVerticalRel(undefined, this._y); }\n  }\n  Object.defineProperty(SVGPathSegLinetoVerticalRel.prototype, 'y', {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true});\n\n  class SVGPathSegCurvetoCubicSmoothAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x2, y2) {\n      super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, 'S', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x2 = x2;\n      this._y2 = y2;\n    }\n    toString () { return '[object SVGPathSegCurvetoCubicSmoothAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoCubicSmoothAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x2: {get () { return this._x2; }, set (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true},\n    y2: {get () { return this._y2; }, set (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoCubicSmoothRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y, x2, y2) {\n      super(SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, 's', owningPathSegList);\n      this._x = x;\n      this._y = y;\n      this._x2 = x2;\n      this._y2 = y2;\n    }\n    toString () { return '[object SVGPathSegCurvetoCubicSmoothRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoCubicSmoothRel(undefined, this._x, this._y, this._x2, this._y2); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoCubicSmoothRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true},\n    x2: {get () { return this._x2; }, set (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true},\n    y2: {get () { return this._y2; }, set (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoQuadraticSmoothAbs extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, 'T', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegCurvetoQuadraticSmoothAbs]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoQuadraticSmoothAbs(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoQuadraticSmoothAbs.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  class SVGPathSegCurvetoQuadraticSmoothRel extends SVGPathSeg {\n    constructor (owningPathSegList, x, y) {\n      super(SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, 't', owningPathSegList);\n      this._x = x;\n      this._y = y;\n    }\n    toString () { return '[object SVGPathSegCurvetoQuadraticSmoothRel]'; }\n    _asPathString () { return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y; }\n    clone () { return new SVGPathSegCurvetoQuadraticSmoothRel(undefined, this._x, this._y); }\n  }\n  Object.defineProperties(SVGPathSegCurvetoQuadraticSmoothRel.prototype, {\n    x: {get () { return this._x; }, set (x) { this._x = x; this._segmentChanged(); }, enumerable: true},\n    y: {get () { return this._y; }, set (y) { this._y = y; this._segmentChanged(); }, enumerable: true}\n  });\n\n  // Add createSVGPathSeg* functions to SVGPathElement.\n  // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathElement.\n  SVGPathElement.prototype.createSVGPathSegClosePath = function () { return new SVGPathSegClosePath(undefined); };\n  SVGPathElement.prototype.createSVGPathSegMovetoAbs = function (x, y) { return new SVGPathSegMovetoAbs(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegMovetoRel = function (x, y) { return new SVGPathSegMovetoRel(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegLinetoAbs = function (x, y) { return new SVGPathSegLinetoAbs(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegLinetoRel = function (x, y) { return new SVGPathSegLinetoRel(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoCubicAbs = function (x, y, x1, y1, x2, y2) { return new SVGPathSegCurvetoCubicAbs(undefined, x, y, x1, y1, x2, y2); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoCubicRel = function (x, y, x1, y1, x2, y2) { return new SVGPathSegCurvetoCubicRel(undefined, x, y, x1, y1, x2, y2); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticAbs = function (x, y, x1, y1) { return new SVGPathSegCurvetoQuadraticAbs(undefined, x, y, x1, y1); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticRel = function (x, y, x1, y1) { return new SVGPathSegCurvetoQuadraticRel(undefined, x, y, x1, y1); };\n  SVGPathElement.prototype.createSVGPathSegArcAbs = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) { return new SVGPathSegArcAbs(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag); };\n  SVGPathElement.prototype.createSVGPathSegArcRel = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) { return new SVGPathSegArcRel(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag); };\n  SVGPathElement.prototype.createSVGPathSegLinetoHorizontalAbs = function (x) { return new SVGPathSegLinetoHorizontalAbs(undefined, x); };\n  SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel = function (x) { return new SVGPathSegLinetoHorizontalRel(undefined, x); };\n  SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs = function (y) { return new SVGPathSegLinetoVerticalAbs(undefined, y); };\n  SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel = function (y) { return new SVGPathSegLinetoVerticalRel(undefined, y); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs = function (x, y, x2, y2) { return new SVGPathSegCurvetoCubicSmoothAbs(undefined, x, y, x2, y2); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel = function (x, y, x2, y2) { return new SVGPathSegCurvetoCubicSmoothRel(undefined, x, y, x2, y2); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs = function (x, y) { return new SVGPathSegCurvetoQuadraticSmoothAbs(undefined, x, y); };\n  SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel = function (x, y) { return new SVGPathSegCurvetoQuadraticSmoothRel(undefined, x, y); };\n\n  if (!('getPathSegAtLength' in SVGPathElement.prototype)) {\n    // Add getPathSegAtLength to SVGPathElement.\n    // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-__svg__SVGPathElement__getPathSegAtLength\n    // This polyfill requires SVGPathElement.getTotalLength to implement the distance-along-a-path algorithm.\n    SVGPathElement.prototype.getPathSegAtLength = function (distance) {\n      if (distance === undefined || !isFinite(distance)) {\n        throw new Error('Invalid arguments.');\n      }\n\n      const measurementElement = document.createElementNS('http://www.w3.org/2000/svg', 'path');\n      measurementElement.setAttribute('d', this.getAttribute('d'));\n      let lastPathSegment = measurementElement.pathSegList.numberOfItems - 1;\n\n      // If the path is empty, return 0.\n      if (lastPathSegment <= 0) {\n        return 0;\n      }\n\n      do {\n        measurementElement.pathSegList.removeItem(lastPathSegment);\n        if (distance > measurementElement.getTotalLength()) {\n          break;\n        }\n        lastPathSegment--;\n      } while (lastPathSegment > 0);\n      return lastPathSegment;\n    };\n  }\n\n  window.SVGPathSeg = SVGPathSeg;\n  window.SVGPathSegClosePath = SVGPathSegClosePath;\n  window.SVGPathSegMovetoAbs = SVGPathSegMovetoAbs;\n  window.SVGPathSegMovetoRel = SVGPathSegMovetoRel;\n  window.SVGPathSegLinetoAbs = SVGPathSegLinetoAbs;\n  window.SVGPathSegLinetoRel = SVGPathSegLinetoRel;\n  window.SVGPathSegCurvetoCubicAbs = SVGPathSegCurvetoCubicAbs;\n  window.SVGPathSegCurvetoCubicRel = SVGPathSegCurvetoCubicRel;\n  window.SVGPathSegCurvetoQuadraticAbs = SVGPathSegCurvetoQuadraticAbs;\n  window.SVGPathSegCurvetoQuadraticRel = SVGPathSegCurvetoQuadraticRel;\n  window.SVGPathSegArcAbs = SVGPathSegArcAbs;\n  window.SVGPathSegArcRel = SVGPathSegArcRel;\n  window.SVGPathSegLinetoHorizontalAbs = SVGPathSegLinetoHorizontalAbs;\n  window.SVGPathSegLinetoHorizontalRel = SVGPathSegLinetoHorizontalRel;\n  window.SVGPathSegLinetoVerticalAbs = SVGPathSegLinetoVerticalAbs;\n  window.SVGPathSegLinetoVerticalRel = SVGPathSegLinetoVerticalRel;\n  window.SVGPathSegCurvetoCubicSmoothAbs = SVGPathSegCurvetoCubicSmoothAbs;\n  window.SVGPathSegCurvetoCubicSmoothRel = SVGPathSegCurvetoCubicSmoothRel;\n  window.SVGPathSegCurvetoQuadraticSmoothAbs = SVGPathSegCurvetoQuadraticSmoothAbs;\n  window.SVGPathSegCurvetoQuadraticSmoothRel = SVGPathSegCurvetoQuadraticSmoothRel;\n}\n\n// Checking for SVGPathSegList in window checks for the case of an implementation without the\n// SVGPathSegList API.\n// The second check for appendItem is specific to Firefox 59+ which removed only parts of the\n// SVGPathSegList API (e.g., appendItem). In this case we need to re-implement the entire API\n// so the polyfill data (i.e., _list) is used throughout.\nif (!('SVGPathSegList' in window) || !('appendItem' in window.SVGPathSegList.prototype)) {\n  // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSegList\n  class SVGPathSegList {\n    constructor (pathElement) {\n      this._pathElement = pathElement;\n      this._list = this._parsePath(this._pathElement.getAttribute('d'));\n\n      // Use a MutationObserver to catch changes to the path's \"d\" attribute.\n      this._mutationObserverConfig = {attributes: true, attributeFilter: ['d']};\n      this._pathElementMutationObserver = new MutationObserver(this._updateListFromPathMutations.bind(this));\n      this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);\n    }\n    // Process any pending mutations to the path element and update the list as needed.\n    // This should be the first call of all public functions and is needed because\n    // MutationObservers are not synchronous so we can have pending asynchronous mutations.\n    _checkPathSynchronizedToList () {\n      this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords());\n    }\n\n    _updateListFromPathMutations (mutationRecords) {\n      if (!this._pathElement) {\n        return;\n      }\n      let hasPathMutations = false;\n      mutationRecords.forEach((record) => {\n        if (record.attributeName === 'd') {\n          hasPathMutations = true;\n        }\n      });\n      if (hasPathMutations) {\n        this._list = this._parsePath(this._pathElement.getAttribute('d'));\n      }\n    }\n\n    // Serialize the list and update the path's 'd' attribute.\n    _writeListToPath () {\n      this._pathElementMutationObserver.disconnect();\n      this._pathElement.setAttribute('d', SVGPathSegList._pathSegArrayAsString(this._list));\n      this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);\n    }\n\n    // When a path segment changes the list needs to be synchronized back to the path element.\n    segmentChanged (pathSeg) {\n      this._writeListToPath();\n    }\n\n    clear () {\n      this._checkPathSynchronizedToList();\n\n      this._list.forEach((pathSeg) => {\n        pathSeg._owningPathSegList = null;\n      });\n      this._list = [];\n      this._writeListToPath();\n    }\n\n    initialize (newItem) {\n      this._checkPathSynchronizedToList();\n\n      this._list = [newItem];\n      newItem._owningPathSegList = this;\n      this._writeListToPath();\n      return newItem;\n    }\n\n    _checkValidIndex (index) {\n      if (isNaN(index) || index < 0 || index >= this.numberOfItems) {\n        throw new Error('INDEX_SIZE_ERR');\n      }\n    }\n\n    getItem (index) {\n      this._checkPathSynchronizedToList();\n\n      this._checkValidIndex(index);\n      return this._list[index];\n    }\n\n    insertItemBefore (newItem, index) {\n      this._checkPathSynchronizedToList();\n\n      // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.\n      if (index > this.numberOfItems) {\n        index = this.numberOfItems;\n      }\n      if (newItem._owningPathSegList) {\n        // SVG2 spec says to make a copy.\n        newItem = newItem.clone();\n      }\n      this._list.splice(index, 0, newItem);\n      newItem._owningPathSegList = this;\n      this._writeListToPath();\n      return newItem;\n    }\n\n    replaceItem (newItem, index) {\n      this._checkPathSynchronizedToList();\n\n      if (newItem._owningPathSegList) {\n        // SVG2 spec says to make a copy.\n        newItem = newItem.clone();\n      }\n      this._checkValidIndex(index);\n      this._list[index] = newItem;\n      newItem._owningPathSegList = this;\n      this._writeListToPath();\n      return newItem;\n    }\n\n    removeItem (index) {\n      this._checkPathSynchronizedToList();\n\n      this._checkValidIndex(index);\n      const item = this._list[index];\n      this._list.splice(index, 1);\n      this._writeListToPath();\n      return item;\n    }\n\n    appendItem (newItem) {\n      this._checkPathSynchronizedToList();\n\n      if (newItem._owningPathSegList) {\n        // SVG2 spec says to make a copy.\n        newItem = newItem.clone();\n      }\n      this._list.push(newItem);\n      newItem._owningPathSegList = this;\n      // TODO: Optimize this to just append to the existing attribute.\n      this._writeListToPath();\n      return newItem;\n    }\n\n    // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.\n    _parsePath (string) {\n      if (!string || !string.length) {\n        return [];\n      }\n\n      const owningPathSegList = this;\n\n      class Builder {\n        constructor () {\n          this.pathSegList = [];\n        }\n        appendSegment (pathSeg) {\n          this.pathSegList.push(pathSeg);\n        }\n      }\n\n      class Source {\n        constructor (string) {\n          this._string = string;\n          this._currentIndex = 0;\n          this._endIndex = this._string.length;\n          this._previousCommand = SVGPathSeg.PATHSEG_UNKNOWN;\n\n          this._skipOptionalSpaces();\n        }\n        _isCurrentSpace () {\n          const character = this._string[this._currentIndex];\n          return character <= ' ' && (character === ' ' || character === '\\n' || character === '\\t' || character === '\\r' || character === '\\f');\n        }\n\n        _skipOptionalSpaces () {\n          while (this._currentIndex < this._endIndex && this._isCurrentSpace()) {\n            this._currentIndex++;\n          }\n          return this._currentIndex < this._endIndex;\n        }\n\n        _skipOptionalSpacesOrDelimiter () {\n          if (this._currentIndex < this._endIndex && !this._isCurrentSpace() && this._string.charAt(this._currentIndex) !== ',') {\n            return false;\n          }\n          if (this._skipOptionalSpaces()) {\n            if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === ',') {\n              this._currentIndex++;\n              this._skipOptionalSpaces();\n            }\n          }\n          return this._currentIndex < this._endIndex;\n        }\n\n        hasMoreData () {\n          return this._currentIndex < this._endIndex;\n        }\n\n        peekSegmentType () {\n          const lookahead = this._string[this._currentIndex];\n          return this._pathSegTypeFromChar(lookahead);\n        }\n\n        _pathSegTypeFromChar (lookahead) {\n          switch (lookahead) {\n          case 'Z':\n          case 'z':\n            return SVGPathSeg.PATHSEG_CLOSEPATH;\n          case 'M':\n            return SVGPathSeg.PATHSEG_MOVETO_ABS;\n          case 'm':\n            return SVGPathSeg.PATHSEG_MOVETO_REL;\n          case 'L':\n            return SVGPathSeg.PATHSEG_LINETO_ABS;\n          case 'l':\n            return SVGPathSeg.PATHSEG_LINETO_REL;\n          case 'C':\n            return SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;\n          case 'c':\n            return SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;\n          case 'Q':\n            return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;\n          case 'q':\n            return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;\n          case 'A':\n            return SVGPathSeg.PATHSEG_ARC_ABS;\n          case 'a':\n            return SVGPathSeg.PATHSEG_ARC_REL;\n          case 'H':\n            return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;\n          case 'h':\n            return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;\n          case 'V':\n            return SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;\n          case 'v':\n            return SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;\n          case 'S':\n            return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;\n          case 's':\n            return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;\n          case 'T':\n            return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;\n          case 't':\n            return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;\n          default:\n            return SVGPathSeg.PATHSEG_UNKNOWN;\n          }\n        }\n\n        _nextCommandHelper (lookahead, previousCommand) {\n          // Check for remaining coordinates in the current command.\n          if ((lookahead === '+' || lookahead === '-' || lookahead === '.' || (lookahead >= '0' && lookahead <= '9')) && previousCommand !== SVGPathSeg.PATHSEG_CLOSEPATH) {\n            if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_ABS) {\n              return SVGPathSeg.PATHSEG_LINETO_ABS;\n            }\n            if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_REL) {\n              return SVGPathSeg.PATHSEG_LINETO_REL;\n            }\n            return previousCommand;\n          }\n          return SVGPathSeg.PATHSEG_UNKNOWN;\n        }\n\n        initialCommandIsMoveTo () {\n          // If the path is empty it is still valid, so return true.\n          if (!this.hasMoreData()) {\n            return true;\n          }\n          const command = this.peekSegmentType();\n          // Path must start with moveTo.\n          return command === SVGPathSeg.PATHSEG_MOVETO_ABS || command === SVGPathSeg.PATHSEG_MOVETO_REL;\n        }\n\n        // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.\n        // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-PathDataBNF\n        _parseNumber () {\n          let exponent = 0;\n          let integer = 0;\n          let frac = 1;\n          let decimal = 0;\n          let sign = 1;\n          let expsign = 1;\n\n          const startIndex = this._currentIndex;\n\n          this._skipOptionalSpaces();\n\n          // Read the sign.\n          if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '+') {\n            this._currentIndex++;\n          } else if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '-') {\n            this._currentIndex++;\n            sign = -1;\n          }\n\n          if (this._currentIndex === this._endIndex || ((this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') && this._string.charAt(this._currentIndex) !== '.')) {\n            // The first character of a number must be one of [0-9+-.].\n            return undefined;\n          }\n\n          // Read the integer part, build right-to-left.\n          const startIntPartIndex = this._currentIndex;\n          while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {\n            this._currentIndex++; // Advance to first non-digit.\n          }\n\n          if (this._currentIndex !== startIntPartIndex) {\n            let scanIntPartIndex = this._currentIndex - 1;\n            let multiplier = 1;\n            while (scanIntPartIndex >= startIntPartIndex) {\n              integer += multiplier * (this._string.charAt(scanIntPartIndex--) - '0');\n              multiplier *= 10;\n            }\n          }\n\n          // Read the decimals.\n          if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '.') {\n            this._currentIndex++;\n\n            // There must be a least one digit following the .\n            if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {\n              return undefined;\n            }\n            while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {\n              frac *= 10;\n              decimal += (this._string.charAt(this._currentIndex) - '0') / frac;\n              this._currentIndex += 1;\n            }\n          }\n\n          // Read the exponent part.\n          if (this._currentIndex !== startIndex && this._currentIndex + 1 < this._endIndex && (this._string.charAt(this._currentIndex) === 'e' || this._string.charAt(this._currentIndex) === 'E') && (this._string.charAt(this._currentIndex + 1) !== 'x' && this._string.charAt(this._currentIndex + 1) !== 'm')) {\n            this._currentIndex++;\n\n            // Read the sign of the exponent.\n            if (this._string.charAt(this._currentIndex) === '+') {\n              this._currentIndex++;\n            } else if (this._string.charAt(this._currentIndex) === '-') {\n              this._currentIndex++;\n              expsign = -1;\n            }\n\n            // There must be an exponent.\n            if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {\n              return undefined;\n            }\n\n            while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {\n              exponent *= 10;\n              exponent += (this._string.charAt(this._currentIndex) - '0');\n              this._currentIndex++;\n            }\n          }\n\n          let number = integer + decimal;\n          number *= sign;\n\n          if (exponent) {\n            number *= Math.pow(10, expsign * exponent);\n          }\n\n          if (startIndex === this._currentIndex) {\n            return undefined;\n          }\n\n          this._skipOptionalSpacesOrDelimiter();\n\n          return number;\n        }\n\n        _parseArcFlag () {\n          if (this._currentIndex >= this._endIndex) {\n            return undefined;\n          }\n          let flag = false;\n          const flagChar = this._string.charAt(this._currentIndex++);\n          if (flagChar === '0') {\n            flag = false;\n          } else if (flagChar === '1') {\n            flag = true;\n          } else {\n            return undefined;\n          }\n\n          this._skipOptionalSpacesOrDelimiter();\n          return flag;\n        }\n\n        parseSegment () {\n          const lookahead = this._string[this._currentIndex];\n          let command = this._pathSegTypeFromChar(lookahead);\n          if (command === SVGPathSeg.PATHSEG_UNKNOWN) {\n            // Possibly an implicit command. Not allowed if this is the first command.\n            if (this._previousCommand === SVGPathSeg.PATHSEG_UNKNOWN) {\n              return null;\n            }\n            command = this._nextCommandHelper(lookahead, this._previousCommand);\n            if (command === SVGPathSeg.PATHSEG_UNKNOWN) {\n              return null;\n            }\n          } else {\n            this._currentIndex++;\n          }\n\n          this._previousCommand = command;\n\n          switch (command) {\n          case SVGPathSeg.PATHSEG_MOVETO_REL:\n            return new SVGPathSegMovetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_MOVETO_ABS:\n            return new SVGPathSegMovetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_REL:\n            return new SVGPathSegLinetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_ABS:\n            return new SVGPathSegLinetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:\n            return new SVGPathSegLinetoHorizontalRel(owningPathSegList, this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:\n            return new SVGPathSegLinetoHorizontalAbs(owningPathSegList, this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:\n            return new SVGPathSegLinetoVerticalRel(owningPathSegList, this._parseNumber());\n          case SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:\n            return new SVGPathSegLinetoVerticalAbs(owningPathSegList, this._parseNumber());\n          case SVGPathSeg.PATHSEG_CLOSEPATH:\n            this._skipOptionalSpaces();\n            return new SVGPathSegClosePath(owningPathSegList);\n          case SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoCubicRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);\n          } case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoCubicAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);\n          } case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL: {\n            const points = {x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, points.x, points.y, points.x2, points.y2);\n          } case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS: {\n            const points = {x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, points.x, points.y, points.x2, points.y2);\n          } case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoQuadraticRel(owningPathSegList, points.x, points.y, points.x1, points.y1);\n          } case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegCurvetoQuadraticAbs(owningPathSegList, points.x, points.y, points.x1, points.y1);\n          case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:\n            return new SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:\n            return new SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, this._parseNumber(), this._parseNumber());\n          case SVGPathSeg.PATHSEG_ARC_REL: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegArcRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);\n          } case SVGPathSeg.PATHSEG_ARC_ABS: {\n            const points = {x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber()};\n            return new SVGPathSegArcAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);\n          } default:\n            throw new Error('Unknown path seg type.');\n          }\n        }\n      }\n\n      const builder = new Builder();\n      const source = new Source(string);\n\n      if (!source.initialCommandIsMoveTo()) {\n        return [];\n      }\n      while (source.hasMoreData()) {\n        const pathSeg = source.parseSegment();\n        if (!pathSeg) {\n          return [];\n        }\n        builder.appendSegment(pathSeg);\n      }\n\n      return builder.pathSegList;\n    }\n  }\n\n  SVGPathSegList.prototype.classname = 'SVGPathSegList';\n\n  Object.defineProperty(SVGPathSegList.prototype, 'numberOfItems', {\n    get () {\n      this._checkPathSynchronizedToList();\n      return this._list.length;\n    },\n    enumerable: true\n  });\n\n  SVGPathSegList._pathSegArrayAsString = function (pathSegArray) {\n    let string = '';\n    let first = true;\n    pathSegArray.forEach((pathSeg) => {\n      if (first) {\n        first = false;\n        string += pathSeg._asPathString();\n      } else {\n        string += ' ' + pathSeg._asPathString();\n      }\n    });\n    return string;\n  };\n\n  // Add the pathSegList accessors to SVGPathElement.\n  // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGAnimatedPathData\n  Object.defineProperties(SVGPathElement.prototype, {\n    pathSegList: {\n      get () {\n        if (!this._pathSegList) {\n          this._pathSegList = new SVGPathSegList(this);\n        }\n        return this._pathSegList;\n      },\n      enumerable: true\n    },\n    // FIXME: The following are not implemented and simply return SVGPathElement.pathSegList.\n    normalizedPathSegList: {get () { return this.pathSegList; }, enumerable: true},\n    animatedPathSegList: {get () { return this.pathSegList; }, enumerable: true},\n    animatedNormalizedPathSegList: {get () { return this.pathSegList; }, enumerable: true}\n  });\n  window.SVGPathSegList = SVGPathSegList;\n}\n})();\n","/* globals jQuery */\n/**\n * Browser detection\n * @module browser\n * @license MIT\n *\n * @copyright 2010 Jeff Schiller, 2010 Alexis Deveria\n */\n\n// Dependencies:\n// 1) jQuery (for $.alert())\n\nimport './svgpathseg.js';\nimport {NS} from './namespaces.js';\n\nconst $ = jQuery;\n\nconst supportsSVG_ = (function () {\nreturn !!document.createElementNS && !!document.createElementNS(NS.SVG, 'svg').createSVGRect;\n}());\n\n/**\n * @function module:browser.supportsSvg\n * @returns {boolean}\n*/\nexport const supportsSvg = () => supportsSVG_;\n\nconst {userAgent} = navigator;\nconst svg = document.createElementNS(NS.SVG, 'svg');\n\n// Note: Browser sniffing should only be used if no other detection method is possible\nconst isOpera_ = !!window.opera;\nconst isWebkit_ = userAgent.includes('AppleWebKit');\nconst isGecko_ = userAgent.includes('Gecko/');\nconst isIE_ = userAgent.includes('MSIE');\nconst isChrome_ = userAgent.includes('Chrome/');\nconst isWindows_ = userAgent.includes('Windows');\nconst isMac_ = userAgent.includes('Macintosh');\nconst isTouch_ = 'ontouchstart' in window;\n\nconst supportsSelectors_ = (function () {\nreturn !!svg.querySelector;\n}());\n\nconst supportsXpath_ = (function () {\nreturn !!document.evaluate;\n}());\n\n// segList functions (for FF1.5 and 2.0)\nconst supportsPathReplaceItem_ = (function () {\nconst path = document.createElementNS(NS.SVG, 'path');\npath.setAttribute('d', 'M0,0 10,10');\nconst seglist = path.pathSegList;\nconst seg = path.createSVGPathSegLinetoAbs(5, 5);\ntry {\n  seglist.replaceItem(seg, 1);\n  return true;\n} catch (err) {}\nreturn false;\n}());\n\nconst supportsPathInsertItemBefore_ = (function () {\nconst path = document.createElementNS(NS.SVG, 'path');\npath.setAttribute('d', 'M0,0 10,10');\nconst seglist = path.pathSegList;\nconst seg = path.createSVGPathSegLinetoAbs(5, 5);\ntry {\n  seglist.insertItemBefore(seg, 1);\n  return true;\n} catch (err) {}\nreturn false;\n}());\n\n// text character positioning (for IE9)\nconst supportsGoodTextCharPos_ = (function () {\nconst svgroot = document.createElementNS(NS.SVG, 'svg');\nconst svgcontent = document.createElementNS(NS.SVG, 'svg');\ndocument.documentElement.append(svgroot);\nsvgcontent.setAttribute('x', 5);\nsvgroot.append(svgcontent);\nconst text = document.createElementNS(NS.SVG, 'text');\ntext.textContent = 'a';\nsvgcontent.append(text);\nconst pos = text.getStartPositionOfChar(0).x;\nsvgroot.remove();\nreturn (pos === 0);\n}());\n\nconst supportsPathBBox_ = (function () {\nconst svgcontent = document.createElementNS(NS.SVG, 'svg');\ndocument.documentElement.append(svgcontent);\nconst path = document.createElementNS(NS.SVG, 'path');\npath.setAttribute('d', 'M0,0 C0,0 10,10 10,0');\nsvgcontent.append(path);\nconst bbox = path.getBBox();\nsvgcontent.remove();\nreturn (bbox.height > 4 && bbox.height < 5);\n}());\n\n// Support for correct bbox sizing on groups with horizontal/vertical lines\nconst supportsHVLineContainerBBox_ = (function () {\nconst svgcontent = document.createElementNS(NS.SVG, 'svg');\ndocument.documentElement.append(svgcontent);\nconst path = document.createElementNS(NS.SVG, 'path');\npath.setAttribute('d', 'M0,0 10,0');\nconst path2 = document.createElementNS(NS.SVG, 'path');\npath2.setAttribute('d', 'M5,0 15,0');\nconst g = document.createElementNS(NS.SVG, 'g');\ng.append(path, path2);\nsvgcontent.append(g);\nconst bbox = g.getBBox();\nsvgcontent.remove();\n// Webkit gives 0, FF gives 10, Opera (correctly) gives 15\nreturn (bbox.width === 15);\n}());\n\nconst supportsEditableText_ = (function () {\n// TODO: Find better way to check support for this\nreturn isOpera_;\n}());\n\nconst supportsGoodDecimals_ = (function () {\n// Correct decimals on clone attributes (Opera < 10.5/win/non-en)\nconst rect = document.createElementNS(NS.SVG, 'rect');\nrect.setAttribute('x', 0.1);\nconst crect = rect.cloneNode(false);\nconst retValue = (!crect.getAttribute('x').includes(','));\nif (!retValue) {\n  // Todo: i18nize or remove\n  $.alert('NOTE: This version of Opera is known to contain bugs in SVG-edit.\\n' +\n\t'Please upgrade to the <a href=\"http://opera.com\">latest version</a> in which the problems have been fixed.');\n}\nreturn retValue;\n}());\n\nconst supportsNonScalingStroke_ = (function () {\nconst rect = document.createElementNS(NS.SVG, 'rect');\nrect.setAttribute('style', 'vector-effect:non-scaling-stroke');\nreturn rect.style.vectorEffect === 'non-scaling-stroke';\n}());\n\nlet supportsNativeSVGTransformLists_ = (function () {\nconst rect = document.createElementNS(NS.SVG, 'rect');\nconst rxform = rect.transform.baseVal;\nconst t1 = svg.createSVGTransform();\nrxform.appendItem(t1);\nconst r1 = rxform.getItem(0);\n// Todo: Do frame-independent instance checking\nreturn r1 instanceof SVGTransform && t1 instanceof SVGTransform &&\n\tr1.type === t1.type && r1.angle === t1.angle &&\n\tr1.matrix.a === t1.matrix.a &&\n\tr1.matrix.b === t1.matrix.b &&\n\tr1.matrix.c === t1.matrix.c &&\n\tr1.matrix.d === t1.matrix.d &&\n\tr1.matrix.e === t1.matrix.e &&\n\tr1.matrix.f === t1.matrix.f;\n}());\n\n// Public API\n\n/**\n * @function module:browser.isOpera\n * @returns {boolean}\n*/\nexport const isOpera = () => isOpera_;\n/**\n * @function module:browser.isWebkit\n * @returns {boolean}\n*/\nexport const isWebkit = () => isWebkit_;\n/**\n * @function module:browser.isGecko\n * @returns {boolean}\n*/\nexport const isGecko = () => isGecko_;\n/**\n * @function module:browser.isIE\n * @returns {boolean}\n*/\nexport const isIE = () => isIE_;\n/**\n * @function module:browser.isChrome\n * @returns {boolean}\n*/\nexport const isChrome = () => isChrome_;\n/**\n * @function module:browser.isWindows\n * @returns {boolean}\n*/\nexport const isWindows = () => isWindows_;\n/**\n * @function module:browser.isMac\n * @returns {boolean}\n*/\nexport const isMac = () => isMac_;\n/**\n * @function module:browser.isTouch\n * @returns {boolean}\n*/\nexport const isTouch = () => isTouch_;\n\n/**\n * @function module:browser.supportsSelectors\n * @returns {boolean}\n*/\nexport const supportsSelectors = () => supportsSelectors_;\n\n/**\n * @function module:browser.supportsXpath\n * @returns {boolean}\n*/\nexport const supportsXpath = () => supportsXpath_;\n\n/**\n * @function module:browser.supportsPathReplaceItem\n * @returns {boolean}\n*/\nexport const supportsPathReplaceItem = () => supportsPathReplaceItem_;\n\n/**\n * @function module:browser.supportsPathInsertItemBefore\n * @returns {boolean}\n*/\nexport const supportsPathInsertItemBefore = () => supportsPathInsertItemBefore_;\n\n/**\n * @function module:browser.supportsPathBBox\n * @returns {boolean}\n*/\nexport const supportsPathBBox = () => supportsPathBBox_;\n\n/**\n * @function module:browser.supportsHVLineContainerBBox\n * @returns {boolean}\n*/\nexport const supportsHVLineContainerBBox = () => supportsHVLineContainerBBox_;\n\n/**\n * @function module:browser.supportsGoodTextCharPos\n * @returns {boolean}\n*/\nexport const supportsGoodTextCharPos = () => supportsGoodTextCharPos_;\n\n/**\n* @function module:browser.supportsEditableText\n * @returns {boolean}\n*/\nexport const supportsEditableText = () => supportsEditableText_;\n\n/**\n * @function module:browser.supportsGoodDecimals\n * @returns {boolean}\n*/\nexport const supportsGoodDecimals = () => supportsGoodDecimals_;\n\n/**\n* @function module:browser.supportsNonScalingStroke\n* @returns {boolean}\n*/\nexport const supportsNonScalingStroke = () => supportsNonScalingStroke_;\n\n/**\n* @function module:browser.supportsNativeTransformLists\n* @returns {boolean}\n*/\nexport const supportsNativeTransformLists = () => supportsNativeSVGTransformLists_;\n\n/**\n * Set `supportsNativeSVGTransformLists_` to `false` (for unit testing)\n * @function module:browser.disableSupportsNativeTransformLists\n * @returns {undefined}\n*/\nexport const disableSupportsNativeTransformLists = () => {\n  supportsNativeSVGTransformLists_ = false;\n};\n","/**\n * jQuery module to work with SVG attributes\n * @module jQueryAttr\n * @license MIT\n */\n\n/**\n* This fixes `$(...).attr()` to work as expected with SVG elements.\n* Does not currently use `*AttributeNS()` since we rarely need that.\n* Adds {@link external:jQuery.fn.attr}.\n* See {@link https://api.jquery.com/attr/} for basic documentation of `.attr()`\n*\n* Additional functionality:\n* - When getting attributes, a string that's a number is returned as type number.\n* - If an array is supplied as the first parameter, multiple values are returned\n*    as an object with values for each given attribute\n* @function module:jQueryAttr.jQueryAttr\n* @param {external:jQuery} $ The jQuery object to which to add the plug-in\n* @returns {external:jQuery}\n*/\nexport default function ($) {\n  const proxied = $.fn.attr,\n    svgns = 'http://www.w3.org/2000/svg';\n  /**\n  * @typedef {PlainObject.<string, string|Float>} module:jQueryAttr.Attributes\n  */\n  /**\n  * @function external:jQuery.fn.attr\n  * @param {string|string[]|PlainObject.<string, string>} key\n  * @param {string} value\n  * @returns {external:jQuery|module:jQueryAttr.Attributes}\n  */\n  $.fn.attr = function (key, value) {\n    const len = this.length;\n    if (!len) { return proxied.apply(this, arguments); }\n    for (let i = 0; i < len; ++i) {\n      const elem = this[i];\n      // set/get SVG attribute\n      if (elem.namespaceURI === svgns) {\n        // Setting attribute\n        if (value !== undefined) {\n          elem.setAttribute(key, value);\n        } else if (Array.isArray(key)) {\n          // Getting attributes from array\n          const obj = {};\n          let j = key.length;\n\n          while (j--) {\n            const aname = key[j];\n            let attr = elem.getAttribute(aname);\n            // This returns a number when appropriate\n            if (attr || attr === '0') {\n              attr = isNaN(attr) ? attr : (attr - 0);\n            }\n            obj[aname] = attr;\n          }\n          return obj;\n        }\n        if (typeof key === 'object') {\n          // Setting attributes from object\n          for (const [name, val] of Object.entries(key)) {\n            elem.setAttribute(name, val);\n          }\n        // Getting attribute\n        } else {\n          let attr = elem.getAttribute(key);\n          if (attr || attr === '0') {\n            attr = isNaN(attr) ? attr : (attr - 0);\n          }\n          return attr;\n        }\n      } else {\n        return proxied.apply(this, arguments);\n      }\n    }\n    return this;\n  };\n  return $;\n}\n","/**\n * Partial polyfill of `SVGTransformList`\n * @module SVGTransformList\n *\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport {NS} from './namespaces.js';\nimport {supportsNativeTransformLists} from './browser.js';\n\nconst svgroot = document.createElementNS(NS.SVG, 'svg');\n\n// Helper function.\nfunction transformToString (xform) {\n  const m = xform.matrix;\n  let text = '';\n  switch (xform.type) {\n  case 1: // MATRIX\n    text = 'matrix(' + [m.a, m.b, m.c, m.d, m.e, m.f].join(',') + ')';\n    break;\n  case 2: // TRANSLATE\n    text = 'translate(' + m.e + ',' + m.f + ')';\n    break;\n  case 3: // SCALE\n    if (m.a === m.d) {\n      text = 'scale(' + m.a + ')';\n    } else {\n      text = 'scale(' + m.a + ',' + m.d + ')';\n    }\n    break;\n  case 4: { // ROTATE\n    let cx = 0;\n    let cy = 0;\n    // this prevents divide by zero\n    if (xform.angle !== 0) {\n      const K = 1 - m.a;\n      cy = (K * m.f + m.b * m.e) / (K * K + m.b * m.b);\n      cx = (m.e - m.b * cy) / K;\n    }\n    text = 'rotate(' + xform.angle + ' ' + cx + ',' + cy + ')';\n    break;\n  }\n  }\n  return text;\n}\n\n/**\n * Map of SVGTransformList objects.\n */\nlet listMap_ = {};\n\n/**\n* @interface module:SVGTransformList.SVGEditTransformList\n* @property {Integer} numberOfItems unsigned long\n*/\n/**\n* @function module:SVGTransformList.SVGEditTransformList#clear\n* @returns {undefined}\n*/\n/**\n* @function module:SVGTransformList.SVGEditTransformList#initialize\n* @param {SVGTransform} newItem\n* @returns {SVGTransform}\n*/\n/**\n* (DOES NOT THROW DOMException, INDEX_SIZE_ERR)\n* @function module:SVGTransformList.SVGEditTransformList#getItem\n* @param {Integer} index unsigned long\n* @returns {SVGTransform}\n*/\n/**\n* (DOES NOT THROW DOMException, INDEX_SIZE_ERR)\n* @function module:SVGTransformList.SVGEditTransformList#insertItemBefore\n* @param {SVGTransform} newItem\n* @param {Integer} index unsigned long\n* @returns {SVGTransform}\n*/\n/**\n* (DOES NOT THROW DOMException, INDEX_SIZE_ERR)\n* @function module:SVGTransformList.SVGEditTransformList#replaceItem\n* @param {SVGTransform} newItem\n* @param {Integer} index unsigned long\n* @returns {SVGTransform}\n*/\n/**\n* (DOES NOT THROW DOMException, INDEX_SIZE_ERR)\n* @function module:SVGTransformList.SVGEditTransformList#removeItem\n* @param {Integer} index unsigned long\n* @returns {SVGTransform}\n*/\n/**\n* @function module:SVGTransformList.SVGEditTransformList#appendItem\n* @param {SVGTransform} newItem\n* @returns {SVGTransform}\n*/\n/**\n* NOT IMPLEMENTED\n* @ignore\n* @function module:SVGTransformList.SVGEditTransformList#createSVGTransformFromMatrix\n* @param {SVGMatrix} matrix\n* @returns {SVGTransform}\n*/\n/**\n* NOT IMPLEMENTED\n* @ignore\n* @function module:SVGTransformList.SVGEditTransformList#consolidate\n* @returns {SVGTransform}\n*/\n\n/**\n* SVGTransformList implementation for Webkit.\n* These methods do not currently raise any exceptions.\n* These methods also do not check that transforms are being inserted.  This is basically\n* implementing as much of SVGTransformList that we need to get the job done.\n*/\nexport class SVGTransformList {\n  /**\n  * @param {Element} elem\n  */\n  constructor (elem) {\n    this._elem = elem || null;\n    this._xforms = [];\n    // TODO: how do we capture the undo-ability in the changed transform list?\n    this._update = function () {\n      let tstr = '';\n      // /* const concatMatrix = */ svgroot.createSVGMatrix();\n      for (let i = 0; i < this.numberOfItems; ++i) {\n        const xform = this._list.getItem(i);\n        tstr += transformToString(xform) + ' ';\n      }\n      this._elem.setAttribute('transform', tstr);\n    };\n    this._list = this;\n    this._init = function () {\n      // Transform attribute parser\n      let str = this._elem.getAttribute('transform');\n      if (!str) { return; }\n\n      // TODO: Add skew support in future\n      const re = /\\s*((scale|matrix|rotate|translate)\\s*\\(.*?\\))\\s*,?\\s*/;\n      let m = true;\n      while (m) {\n        m = str.match(re);\n        str = str.replace(re, '');\n        if (m && m[1]) {\n          const x = m[1];\n          const bits = x.split(/\\s*\\(/);\n          const name = bits[0];\n          const valBits = bits[1].match(/\\s*(.*?)\\s*\\)/);\n          valBits[1] = valBits[1].replace(/(\\d)-/g, '$1 -');\n          const valArr = valBits[1].split(/[, ]+/);\n          const letters = 'abcdef'.split('');\n          const mtx = svgroot.createSVGMatrix();\n          Object.values(valArr).forEach(function (item, i) {\n            valArr[i] = parseFloat(item);\n            if (name === 'matrix') {\n              mtx[letters[i]] = valArr[i];\n            }\n          });\n          const xform = svgroot.createSVGTransform();\n          const fname = 'set' + name.charAt(0).toUpperCase() + name.slice(1);\n          const values = name === 'matrix' ? [mtx] : valArr;\n\n          if (name === 'scale' && values.length === 1) {\n            values.push(values[0]);\n          } else if (name === 'translate' && values.length === 1) {\n            values.push(0);\n          } else if (name === 'rotate' && values.length === 1) {\n            values.push(0, 0);\n          }\n          xform[fname].apply(xform, values);\n          this._list.appendItem(xform);\n        }\n      }\n    };\n    this._removeFromOtherLists = function (item) {\n      if (item) {\n        // Check if this transform is already in a transformlist, and\n        // remove it if so.\n        let found = false;\n        for (const id in listMap_) {\n          const tl = listMap_[id];\n          for (let i = 0, len = tl._xforms.length; i < len; ++i) {\n            if (tl._xforms[i] === item) {\n              found = true;\n              tl.removeItem(i);\n              break;\n            }\n          }\n          if (found) {\n            break;\n          }\n        }\n      }\n    };\n\n    this.numberOfItems = 0;\n  }\n  /**\n  * @returns {undefined}\n  */\n  clear () {\n    this.numberOfItems = 0;\n    this._xforms = [];\n  }\n\n  /**\n  * @param {SVGTransform} newItem\n  * @returns {SVGTransform}\n  */\n  initialize (newItem) {\n    this.numberOfItems = 1;\n    this._removeFromOtherLists(newItem);\n    this._xforms = [newItem];\n  }\n\n  /**\n  * @param {Integer} index unsigned long\n  * @throws {Error}\n  * @returns {SVGTransform}\n  */\n  getItem (index) {\n    if (index < this.numberOfItems && index >= 0) {\n      return this._xforms[index];\n    }\n    const err = new Error('DOMException with code=INDEX_SIZE_ERR');\n    err.code = 1;\n    throw err;\n  }\n\n  /**\n  * @param {SVGTransform} newItem\n  * @param {Integer} index unsigned long\n  * @returns {SVGTransform}\n  */\n  insertItemBefore (newItem, index) {\n    let retValue = null;\n    if (index >= 0) {\n      if (index < this.numberOfItems) {\n        this._removeFromOtherLists(newItem);\n        const newxforms = new Array(this.numberOfItems + 1);\n        // TODO: use array copying and slicing\n        let i;\n        for (i = 0; i < index; ++i) {\n          newxforms[i] = this._xforms[i];\n        }\n        newxforms[i] = newItem;\n        for (let j = i + 1; i < this.numberOfItems; ++j, ++i) {\n          newxforms[j] = this._xforms[i];\n        }\n        this.numberOfItems++;\n        this._xforms = newxforms;\n        retValue = newItem;\n        this._list._update();\n      } else {\n        retValue = this._list.appendItem(newItem);\n      }\n    }\n    return retValue;\n  }\n\n  /**\n  * @param {SVGTransform} newItem\n  * @param {Integer} index unsigned long\n  * @returns {SVGTransform}\n  */\n  replaceItem (newItem, index) {\n    let retValue = null;\n    if (index < this.numberOfItems && index >= 0) {\n      this._removeFromOtherLists(newItem);\n      this._xforms[index] = newItem;\n      retValue = newItem;\n      this._list._update();\n    }\n    return retValue;\n  }\n\n  /**\n  * @param {Integer} index unsigned long\n  * @throws {Error}\n  * @returns {SVGTransform}\n  */\n  removeItem (index) {\n    if (index < this.numberOfItems && index >= 0) {\n      const retValue = this._xforms[index];\n      const newxforms = new Array(this.numberOfItems - 1);\n      let i;\n      for (i = 0; i < index; ++i) {\n        newxforms[i] = this._xforms[i];\n      }\n      for (let j = i; j < this.numberOfItems - 1; ++j, ++i) {\n        newxforms[j] = this._xforms[i + 1];\n      }\n      this.numberOfItems--;\n      this._xforms = newxforms;\n      this._list._update();\n      return retValue;\n    }\n    const err = new Error('DOMException with code=INDEX_SIZE_ERR');\n    err.code = 1;\n    throw err;\n  }\n\n  /**\n  * @param {SVGTransform} newItem\n  * @returns {SVGTransform}\n  */\n  appendItem (newItem) {\n    this._removeFromOtherLists(newItem);\n    this._xforms.push(newItem);\n    this.numberOfItems++;\n    this._list._update();\n    return newItem;\n  }\n}\n\n/**\n* @function module:SVGTransformList.resetListMap\n* @returns {undefined}\n*/\nexport const resetListMap = function () {\n  listMap_ = {};\n};\n\n/**\n * Removes transforms of the given element from the map.\n * @function module:SVGTransformList.removeElementFromListMap\n * @param {Element} elem - a DOM Element\n * @returns {undefined}\n */\nexport let removeElementFromListMap = function (elem) {\n  if (elem.id && listMap_[elem.id]) {\n    delete listMap_[elem.id];\n  }\n};\n\n/**\n* Returns an object that behaves like a `SVGTransformList` for the given DOM element\n* @function module:SVGTransformList.getTransformList\n* @param {Element} elem - DOM element to get a transformlist from\n* @todo The polyfill should have `SVGAnimatedTransformList` and this should use it\n* @returns {SVGAnimatedTransformList|SVGTransformList}\n*/\nexport const getTransformList = function (elem) {\n  if (!supportsNativeTransformLists()) {\n    const id = elem.id || 'temp';\n    let t = listMap_[id];\n    if (!t || id === 'temp') {\n      listMap_[id] = new SVGTransformList(elem);\n      listMap_[id]._init();\n      t = listMap_[id];\n    }\n    return t;\n  }\n  if (elem.transform) {\n    return elem.transform.baseVal;\n  }\n  if (elem.gradientTransform) {\n    return elem.gradientTransform.baseVal;\n  }\n  if (elem.patternTransform) {\n    return elem.patternTransform.baseVal;\n  }\n\n  return null;\n};\n\n/**\n* @callback module:SVGTransformList.removeElementFromListMap\n* @param {Element} elem\n*/\n/**\n* For unit-testing\n* @function module:SVGTransformList.changeRemoveElementFromListMap\n* @param {module:SVGTransformList.removeElementFromListMap} cb Passed a single argument `elem`\n* @returns {undefined}\n*/\nexport const changeRemoveElementFromListMap = function (cb) {\n  removeElementFromListMap = cb;\n};\n","/**\n * Tools for working with units\n * @module units\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport {NS} from './namespaces.js';\n\nconst wAttrs = ['x', 'x1', 'cx', 'rx', 'width'];\nconst hAttrs = ['y', 'y1', 'cy', 'ry', 'height'];\nconst unitAttrs = ['r', 'radius', ...wAttrs, ...hAttrs];\n// unused\n/*\nconst unitNumMap = {\n  '%': 2,\n  em: 3,\n  ex: 4,\n  px: 5,\n  cm: 6,\n  mm: 7,\n  in: 8,\n  pt: 9,\n  pc: 10\n};\n*/\n// Container of elements.\nlet elementContainer_;\n\n// Stores mapping of unit type to user coordinates.\nlet typeMap_ = {};\n\n/**\n * @interface module:units.ElementContainer\n */\n/**\n * @function module:units.ElementContainer#getBaseUnit\n * @returns {string} The base unit type of the container ('em')\n */\n/**\n * @function module:units.ElementContainer#getElement\n * @returns {Element} An element in the container given an id\n */\n/**\n * @function module:units.ElementContainer#getHeight\n * @returns {Float} The container's height\n */\n/**\n * @function module:units.ElementContainer#getWidth\n * @returns {Float} The container's width\n */\n/**\n * @function module:units.ElementContainer#getRoundDigits\n * @returns {Integer} The number of digits number should be rounded to\n */\n\n/**\n * @typedef {PlainObject} module:units.TypeMap\n * @property {Float} em\n * @property {Float} ex\n * @property {Float} in\n * @property {Float} cm\n * @property {Float} mm\n * @property {Float} pt\n * @property {Float} pc\n * @property {Integer} px\n * @property {0} %\n */\n\n/**\n * Initializes this module.\n *\n * @function module:units.init\n * @param {module:units.ElementContainer} elementContainer - An object implementing the ElementContainer interface.\n * @returns {undefined}\n */\nexport const init = function (elementContainer) {\n  elementContainer_ = elementContainer;\n\n  // Get correct em/ex values by creating a temporary SVG.\n  const svg = document.createElementNS(NS.SVG, 'svg');\n  document.body.append(svg);\n  const rect = document.createElementNS(NS.SVG, 'rect');\n  rect.setAttribute('width', '1em');\n  rect.setAttribute('height', '1ex');\n  rect.setAttribute('x', '1in');\n  svg.append(rect);\n  const bb = rect.getBBox();\n  svg.remove();\n\n  const inch = bb.x;\n  typeMap_ = {\n    em: bb.width,\n    ex: bb.height,\n    in: inch,\n    cm: inch / 2.54,\n    mm: inch / 25.4,\n    pt: inch / 72,\n    pc: inch / 6,\n    px: 1,\n    '%': 0\n  };\n};\n\n/**\n* Group: Unit conversion functions\n*/\n\n/**\n * @function module:units.getTypeMap\n * @returns {module:units.TypeMap} The unit object with values for each unit\n*/\nexport const getTypeMap = function () {\n  return typeMap_;\n};\n\n/**\n* @typedef {GenericArray} module:units.CompareNumbers\n* @property {Integer} length 2\n* @property {Float} 0\n* @property {Float} 1\n*/\n\n/**\n* Rounds a given value to a float with number of digits defined in\n* `round_digits` of `saveOptions`\n*\n* @function module:units.shortFloat\n* @param {string|Float|module:units.CompareNumbers} val - The value (or Array of two numbers) to be rounded\n* @returns {Float|string} If a string/number was given, returns a Float. If an array, return a string\n* with comma-separated floats\n*/\nexport const shortFloat = function (val) {\n  const digits = elementContainer_.getRoundDigits();\n  if (!isNaN(val)) {\n    // Note that + converts to Number\n    return +((+val).toFixed(digits));\n  }\n  if (Array.isArray(val)) {\n    return shortFloat(val[0]) + ',' + shortFloat(val[1]);\n  }\n  return parseFloat(val).toFixed(digits) - 0;\n};\n\n/**\n* Converts the number to given unit or baseUnit\n* @function module:units.convertUnit\n* @returns {Float}\n*/\nexport const convertUnit = function (val, unit) {\n  unit = unit || elementContainer_.getBaseUnit();\n  // baseVal.convertToSpecifiedUnits(unitNumMap[unit]);\n  // const val = baseVal.valueInSpecifiedUnits;\n  // baseVal.convertToSpecifiedUnits(1);\n  return shortFloat(val / typeMap_[unit]);\n};\n\n/**\n* Sets an element's attribute based on the unit in its current value.\n*\n* @function module:units.setUnitAttr\n* @param {Element} elem - DOM element to be changed\n* @param {string} attr - Name of the attribute associated with the value\n* @param {string} val - Attribute value to convert\n* @returns {undefined}\n*/\nexport const setUnitAttr = function (elem, attr, val) {\n  //  if (!isNaN(val)) {\n  // New value is a number, so check currently used unit\n  // const oldVal = elem.getAttribute(attr);\n\n  // Enable this for alternate mode\n  // if (oldVal !== null && (isNaN(oldVal) || elementContainer_.getBaseUnit() !== 'px')) {\n  //   // Old value was a number, so get unit, then convert\n  //   let unit;\n  //   if (oldVal.substr(-1) === '%') {\n  //     const res = getResolution();\n  //     unit = '%';\n  //     val *= 100;\n  //     if (wAttrs.includes(attr)) {\n  //       val = val / res.w;\n  //     } else if (hAttrs.includes(attr)) {\n  //       val = val / res.h;\n  //     } else {\n  //       return val / Math.sqrt((res.w*res.w) + (res.h*res.h))/Math.sqrt(2);\n  //     }\n  //   } else {\n  //     if (elementContainer_.getBaseUnit() !== 'px') {\n  //       unit = elementContainer_.getBaseUnit();\n  //     } else {\n  //       unit = oldVal.substr(-2);\n  //     }\n  //     val = val / typeMap_[unit];\n  //   }\n  //\n  // val += unit;\n  // }\n  // }\n  elem.setAttribute(attr, val);\n};\n\nconst attrsToConvert = {\n  line: ['x1', 'x2', 'y1', 'y2'],\n  circle: ['cx', 'cy', 'r'],\n  ellipse: ['cx', 'cy', 'rx', 'ry'],\n  foreignObject: ['x', 'y', 'width', 'height'],\n  rect: ['x', 'y', 'width', 'height'],\n  image: ['x', 'y', 'width', 'height'],\n  use: ['x', 'y', 'width', 'height'],\n  text: ['x', 'y']\n};\n\n/**\n* Converts all applicable attributes to the configured baseUnit\n* @function module:units.convertAttrs\n* @param {Element} element - A DOM element whose attributes should be converted\n* @returns {undefined}\n*/\nexport const convertAttrs = function (element) {\n  const elName = element.tagName;\n  const unit = elementContainer_.getBaseUnit();\n  const attrs = attrsToConvert[elName];\n  if (!attrs) { return; }\n\n  const len = attrs.length;\n  for (let i = 0; i < len; i++) {\n    const attr = attrs[i];\n    const cur = element.getAttribute(attr);\n    if (cur) {\n      if (!isNaN(cur)) {\n        element.setAttribute(attr, (cur / typeMap_[unit]) + unit);\n      }\n      // else {\n      // Convert existing?\n      // }\n    }\n  }\n};\n\n/**\n* Converts given values to numbers. Attributes must be supplied in\n* case a percentage is given\n*\n* @function module:units.convertToNum\n* @param {string} attr - Name of the attribute associated with the value\n* @param {string} val - Attribute value to convert\n* @returns {Float} The converted number\n*/\nexport const convertToNum = function (attr, val) {\n  // Return a number if that's what it already is\n  if (!isNaN(val)) { return val - 0; }\n  if (val.substr(-1) === '%') {\n    // Deal with percentage, depends on attribute\n    const num = val.substr(0, val.length - 1) / 100;\n    const width = elementContainer_.getWidth();\n    const height = elementContainer_.getHeight();\n\n    if (wAttrs.includes(attr)) {\n      return num * width;\n    }\n    if (hAttrs.includes(attr)) {\n      return num * height;\n    }\n    return num * Math.sqrt((width * width) + (height * height)) / Math.sqrt(2);\n  }\n  const unit = val.substr(-2);\n  const num = val.substr(0, val.length - 2);\n  // Note that this multiplication turns the string into a number\n  return num * typeMap_[unit];\n};\n\n/**\n* Check if an attribute's value is in a valid format\n* @function module:units.isValidUnit\n* @param {string} attr - The name of the attribute associated with the value\n* @param {string} val - The attribute value to check\n* @returns {boolean} Whether the unit is valid\n*/\nexport const isValidUnit = function (attr, val, selectedElement) {\n  if (unitAttrs.includes(attr)) {\n    // True if it's just a number\n    if (!isNaN(val)) {\n      return true;\n    }\n    // Not a number, check if it has a valid unit\n    val = val.toLowerCase();\n    return Object.keys(typeMap_).some((unit) => {\n      const re = new RegExp('^-?[\\\\d\\\\.]+' + unit + '$');\n      return re.test(val);\n    });\n  }\n  if (attr === 'id') {\n    // if we're trying to change the id, make sure it's not already present in the doc\n    // and the id value is valid.\n\n    let result = false;\n    // because getElem() can throw an exception in the case of an invalid id\n    // (according to https://www.w3.org/TR/xml-id/ IDs must be a NCName)\n    // we wrap it in an exception and only return true if the ID was valid and\n    // not already present\n    try {\n      const elem = elementContainer_.getElement(val);\n      result = (elem == null || elem === selectedElement);\n    } catch (e) {}\n    return result;\n  }\n  return true;\n};\n","/**\n * For command history tracking and undo functionality\n * @module history\n * @license MIT\n * @copyright 2010 Jeff Schiller\n */\n\nimport {getHref, setHref, getRotationAngle} from './utilities.js';\nimport {removeElementFromListMap} from './svgtransformlist.js';\n\n/**\n* Group: Undo/Redo history management\n*/\nexport const HistoryEventTypes = {\n  BEFORE_APPLY: 'before_apply',\n  AFTER_APPLY: 'after_apply',\n  BEFORE_UNAPPLY: 'before_unapply',\n  AFTER_UNAPPLY: 'after_unapply'\n};\n\n// const removedElements = {};\n\n/**\n* Base class for commands\n*/\nclass Command {\n  /**\n  * @returns {string}\n  */\n  getText () {\n    return this.text;\n  }\n}\n\n// Todo: Figure out why the interface members aren't showing\n//   up (with or without modules applied), despite our apparently following\n//   http://usejsdoc.org/tags-interface.html#virtual-comments\n\n/**\n * An interface that all command objects must implement.\n * @interface module:history.HistoryCommand\n*/\n/**\n * Applies\n *\n * @function module:history.HistoryCommand#apply\n * @param {module:history.HistoryEventHandler}\n * @fires module:history~Command#event:history\n * @returns {undefined|true}\n */\n/**\n *\n * Unapplies\n * @function module:history.HistoryCommand#unapply\n * @param {module:history.HistoryEventHandler}\n * @fires module:history~Command#event:history\n * @returns {undefined|true}\n */\n/**\n * Returns the elements\n * @function module:history.HistoryCommand#elements\n * @returns {Element[]}\n */\n/**\n * Gets the text\n * @function module:history.HistoryCommand#getText\n * @returns {string}\n */\n/**\n * Gives the type\n * @function module:history.HistoryCommand.type\n * @returns {string}\n */\n/**\n * Gives the type\n * @function module:history.HistoryCommand#type\n * @returns {string}\n*/\n\n/**\n * @event module:history~Command#event:history\n * @type {module:history.HistoryCommand}\n */\n\n/**\n * An interface for objects that will handle history events.\n * @interface module:history.HistoryEventHandler\n */\n/**\n *\n * @function module:history.HistoryEventHandler#handleHistoryEvent\n * @param {string} eventType One of the HistoryEvent types\n * @param {module:history~Command#event:history} command\n * @listens module:history~Command#event:history\n * @returns {undefined}\n *\n */\n\n/**\n * History command for an element that had its DOM position changed\n * @implements {module:history.HistoryCommand}\n * @param {Element} elem - The DOM element that was moved\n * @param {Element} oldNextSibling - The element's next sibling before it was moved\n * @param {Element} oldParent - The element's parent before it was moved\n * @param {string} [text] - An optional string visible to user related to this change\n*/\nexport class MoveElementCommand extends Command {\n  constructor (elem, oldNextSibling, oldParent, text) {\n    super();\n    this.elem = elem;\n    this.text = text ? ('Move ' + elem.tagName + ' to ' + text) : ('Move ' + elem.tagName);\n    this.oldNextSibling = oldNextSibling;\n    this.oldParent = oldParent;\n    this.newNextSibling = elem.nextSibling;\n    this.newParent = elem.parentNode;\n  }\n  type () {\n    return 'svgedit.history.MoveElementCommand';\n  }\n\n  /**\n   * Re-positions the element\n   * @param {module:history.HistoryEventHandler} handler\n   * @fires module:history~Command#event:history\n   * @returns {undefined}\n  */\n  apply (handler) {\n    // TODO(codedread): Refactor this common event code into a base HistoryCommand class.\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    this.elem = this.newParent.insertBefore(this.elem, this.newNextSibling);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n  }\n\n  /**\n   * Positions the element back to its original location\n   * @param {module:history.HistoryEventHandler} handler\n   * @fires module:history~Command#event:history\n   * @returns {undefined}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    this.elem = this.oldParent.insertBefore(this.elem, this.oldNextSibling);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n  }\n\n  /**\n  * @returns {Element[]} Array with element associated with this command\n  */\n  elements () {\n    return [this.elem];\n  }\n}\nMoveElementCommand.type = MoveElementCommand.prototype.type;\n\n/**\n* History command for an element that was added to the DOM\n* @implements {module:history.HistoryCommand}\n*\n* @param {Element} elem - The newly added DOM element\n* @param {string} text - An optional string visible to user related to this change\n*/\nexport class InsertElementCommand extends Command {\n  constructor (elem, text) {\n    super();\n    this.elem = elem;\n    this.text = text || ('Create ' + elem.tagName);\n    this.parent = elem.parentNode;\n    this.nextSibling = this.elem.nextSibling;\n  }\n\n  type () {\n    return 'svgedit.history.InsertElementCommand';\n  }\n\n  /**\n  * Re-inserts the new element\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  apply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    this.elem = this.parent.insertBefore(this.elem, this.nextSibling);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n  }\n\n  /**\n  * Removes the element\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    this.parent = this.elem.parentNode;\n    this.elem = this.elem.parentNode.removeChild(this.elem);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n  }\n\n  /**\n  * @returns {Element[]} Array with element associated with this command\n  */\n  elements () {\n    return [this.elem];\n  }\n}\nInsertElementCommand.type = InsertElementCommand.prototype.type;\n\n/**\n* History command for an element removed from the DOM\n* @implements {module:history.HistoryCommand}\n* @param {Element} elem - The removed DOM element\n* @param {Node} oldNextSibling - The DOM element's nextSibling when it was in the DOM\n* @param {Element} oldParent - The DOM element's parent\n* @param {string} [text] - An optional string visible to user related to this change\n*/\nexport class RemoveElementCommand extends Command {\n  constructor (elem, oldNextSibling, oldParent, text) {\n    super();\n    this.elem = elem;\n    this.text = text || ('Delete ' + elem.tagName);\n    this.nextSibling = oldNextSibling;\n    this.parent = oldParent;\n\n    // special hack for webkit: remove this element's entry in the svgTransformLists map\n    removeElementFromListMap(elem);\n  }\n  type () {\n    return 'svgedit.history.RemoveElementCommand';\n  }\n\n  /**\n  * Re-removes the new element\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  apply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    removeElementFromListMap(this.elem);\n    this.parent = this.elem.parentNode;\n    this.elem = this.parent.removeChild(this.elem);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n  }\n\n  /**\n  * Re-adds the new element\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    removeElementFromListMap(this.elem);\n    if (this.nextSibling == null) {\n      if (window.console) {\n        console.log('Error: reference element was lost');\n      }\n    }\n    this.parent.insertBefore(this.elem, this.nextSibling); // Don't use `before` or `prepend` as `this.nextSibling` may be `null`\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n  }\n\n  /**\n  * @returns {Element[]} Array with element associated with this command\n  */\n  elements () {\n    return [this.elem];\n  }\n}\nRemoveElementCommand.type = RemoveElementCommand.prototype.type;\n\n/**\n* @typedef {\"#text\"|\"#href\"|string} module:history.CommandAttributeName\n*/\n/**\n* @typedef {PlainObject.<module:history.CommandAttributeName, string>} module:history.CommandAttributes\n*/\n\n/**\n* History command to make a change to an element.\n* Usually an attribute change, but can also be textcontent.\n* @implements {module:history.HistoryCommand}\n* @param {Element} elem - The DOM element that was changed\n* @param {module:history.CommandAttributes} attrs - Attributes to be changed with the values they had *before* the change\n* @param {string} text - An optional string visible to user related to this change\n*/\nexport class ChangeElementCommand extends Command {\n  constructor (elem, attrs, text) {\n    super();\n    this.elem = elem;\n    this.text = text ? ('Change ' + elem.tagName + ' ' + text) : ('Change ' + elem.tagName);\n    this.newValues = {};\n    this.oldValues = attrs;\n    for (const attr in attrs) {\n      if (attr === '#text') {\n        this.newValues[attr] = elem.textContent;\n      } else if (attr === '#href') {\n        this.newValues[attr] = getHref(elem);\n      } else {\n        this.newValues[attr] = elem.getAttribute(attr);\n      }\n    }\n  }\n  type () {\n    return 'svgedit.history.ChangeElementCommand';\n  }\n\n  /**\n  * Performs the stored change action\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {true}\n  */\n  apply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    let bChangedTransform = false;\n    for (const attr in this.newValues) {\n      if (this.newValues[attr]) {\n        if (attr === '#text') {\n          this.elem.textContent = this.newValues[attr];\n        } else if (attr === '#href') {\n          setHref(this.elem, this.newValues[attr]);\n        } else {\n          this.elem.setAttribute(attr, this.newValues[attr]);\n        }\n      } else {\n        if (attr === '#text') {\n          this.elem.textContent = '';\n        } else {\n          this.elem.setAttribute(attr, '');\n          this.elem.removeAttribute(attr);\n        }\n      }\n\n      if (attr === 'transform') { bChangedTransform = true; }\n    }\n\n    // relocate rotational transform, if necessary\n    if (!bChangedTransform) {\n      const angle = getRotationAngle(this.elem);\n      if (angle) {\n        const bbox = this.elem.getBBox();\n        const cx = bbox.x + bbox.width / 2,\n          cy = bbox.y + bbox.height / 2;\n        const rotate = ['rotate(', angle, ' ', cx, ',', cy, ')'].join('');\n        if (rotate !== this.elem.getAttribute('transform')) {\n          this.elem.setAttribute('transform', rotate);\n        }\n      }\n    }\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n\n    return true;\n  }\n\n  /**\n  * Reverses the stored change action\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {true}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    let bChangedTransform = false;\n    for (const attr in this.oldValues) {\n      if (this.oldValues[attr]) {\n        if (attr === '#text') {\n          this.elem.textContent = this.oldValues[attr];\n        } else if (attr === '#href') {\n          setHref(this.elem, this.oldValues[attr]);\n        } else {\n          this.elem.setAttribute(attr, this.oldValues[attr]);\n        }\n      } else {\n        if (attr === '#text') {\n          this.elem.textContent = '';\n        } else {\n          this.elem.removeAttribute(attr);\n        }\n      }\n      if (attr === 'transform') { bChangedTransform = true; }\n    }\n    // relocate rotational transform, if necessary\n    if (!bChangedTransform) {\n      const angle = getRotationAngle(this.elem);\n      if (angle) {\n        const bbox = this.elem.getBBox();\n        const cx = bbox.x + bbox.width / 2,\n          cy = bbox.y + bbox.height / 2;\n        const rotate = ['rotate(', angle, ' ', cx, ',', cy, ')'].join('');\n        if (rotate !== this.elem.getAttribute('transform')) {\n          this.elem.setAttribute('transform', rotate);\n        }\n      }\n    }\n\n    // Remove transformlist to prevent confusion that causes bugs like 575.\n    removeElementFromListMap(this.elem);\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n\n    return true;\n  }\n\n  /**\n  * @returns {Element[]} Array with element associated with this command\n  */\n  elements () {\n    return [this.elem];\n  }\n}\nChangeElementCommand.type = ChangeElementCommand.prototype.type;\n\n// TODO: create a 'typing' command object that tracks changes in text\n// if a new Typing command is created and the top command on the stack is also a Typing\n// and they both affect the same element, then collapse the two commands into one\n\n/**\n* History command that can contain/execute multiple other commands\n* @implements {module:history.HistoryCommand}\n*/\nexport class BatchCommand extends Command {\n  /**\n  * @param {string} [text] - An optional string visible to user related to this change\n  */\n  constructor (text) {\n    super();\n    this.text = text || 'Batch Command';\n    this.stack = [];\n  }\n\n  type () {\n    return 'svgedit.history.BatchCommand';\n  }\n\n  /**\n  * Runs \"apply\" on all subcommands\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  apply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);\n    }\n\n    const len = this.stack.length;\n    for (let i = 0; i < len; ++i) {\n      this.stack[i].apply(handler);\n    }\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);\n    }\n  }\n\n  /**\n  * Runs \"unapply\" on all subcommands\n  * @param {module:history.HistoryEventHandler} handler\n  * @fires module:history~Command#event:history\n  * @returns {undefined}\n  */\n  unapply (handler) {\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);\n    }\n\n    for (let i = this.stack.length - 1; i >= 0; i--) {\n      this.stack[i].unapply(handler);\n    }\n\n    if (handler) {\n      handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);\n    }\n  }\n\n  /**\n  * Iterate through all our subcommands\n  * @returns {Element[]} All the elements we are changing\n  */\n  elements () {\n    const elems = [];\n    let cmd = this.stack.length;\n    while (cmd--) {\n      const thisElems = this.stack[cmd].elements();\n      let elem = thisElems.length;\n      while (elem--) {\n        if (!elems.includes(thisElems[elem])) { elems.push(thisElems[elem]); }\n      }\n    }\n    return elems;\n  }\n\n  /**\n  * Adds a given command to the history stack\n  * @param {Command} cmd - The undo command object to add\n  */\n  addSubCommand (cmd) {\n    this.stack.push(cmd);\n  }\n\n  /**\n  * @returns {boolean} Indicates whether or not the batch command is empty\n  */\n  isEmpty () {\n    return !this.stack.length;\n  }\n}\nBatchCommand.type = BatchCommand.prototype.type;\n\n/**\n*\n*/\nexport class UndoManager {\n  /**\n  * @param {module:history.HistoryEventHandler} historyEventHandler\n  */\n  constructor (historyEventHandler) {\n    this.handler_ = historyEventHandler || null;\n    this.undoStackPointer = 0;\n    this.undoStack = [];\n\n    // this is the stack that stores the original values, the elements and\n    // the attribute name for begin/finish\n    this.undoChangeStackPointer = -1;\n    this.undoableChangeStack = [];\n  }\n\n  /**\n  * Resets the undo stack, effectively clearing the undo/redo history\n  * @returns {undefined}\n  */\n  resetUndoStack () {\n    this.undoStack = [];\n    this.undoStackPointer = 0;\n  }\n\n  /**\n  * @returns {Integer} Current size of the undo history stack\n  */\n  getUndoStackSize () {\n    return this.undoStackPointer;\n  }\n\n  /**\n  * @returns {Integer} Current size of the redo history stack\n  */\n  getRedoStackSize () {\n    return this.undoStack.length - this.undoStackPointer;\n  }\n\n  /**\n  * @returns {string} String associated with the next undo command\n  */\n  getNextUndoCommandText () {\n    return this.undoStackPointer > 0 ? this.undoStack[this.undoStackPointer - 1].getText() : '';\n  }\n\n  /**\n  * @returns {string} String associated with the next redo command\n  */\n  getNextRedoCommandText () {\n    return this.undoStackPointer < this.undoStack.length ? this.undoStack[this.undoStackPointer].getText() : '';\n  }\n\n  /**\n  * Performs an undo step\n  * @returns {undefined}\n  */\n  undo () {\n    if (this.undoStackPointer > 0) {\n      const cmd = this.undoStack[--this.undoStackPointer];\n      cmd.unapply(this.handler_);\n    }\n  }\n\n  /**\n  * Performs a redo step\n  * @returns {undefined}\n  */\n  redo () {\n    if (this.undoStackPointer < this.undoStack.length && this.undoStack.length > 0) {\n      const cmd = this.undoStack[this.undoStackPointer++];\n      cmd.apply(this.handler_);\n    }\n  }\n\n  /**\n  * Adds a command object to the undo history stack\n  * @param {Command} cmd - The command object to add\n  * @returns {undefined}\n  */\n  addCommandToHistory (cmd) {\n    // FIXME: we MUST compress consecutive text changes to the same element\n    // (right now each keystroke is saved as a separate command that includes the\n    // entire text contents of the text element)\n    // TODO: consider limiting the history that we store here (need to do some slicing)\n\n    // if our stack pointer is not at the end, then we have to remove\n    // all commands after the pointer and insert the new command\n    if (this.undoStackPointer < this.undoStack.length && this.undoStack.length > 0) {\n      this.undoStack = this.undoStack.splice(0, this.undoStackPointer);\n    }\n    this.undoStack.push(cmd);\n    this.undoStackPointer = this.undoStack.length;\n  }\n\n  /**\n  * This function tells the canvas to remember the old values of the\n  * `attrName` attribute for each element sent in.  The elements and values\n  * are stored on a stack, so the next call to `finishUndoableChange()` will\n  * pop the elements and old values off the stack, gets the current values\n  * from the DOM and uses all of these to construct the undo-able command.\n  * @param {string} attrName - The name of the attribute being changed\n  * @param {Element[]} elems - Array of DOM elements being changed\n  * @returns {undefined}\n  */\n  beginUndoableChange (attrName, elems) {\n    const p = ++this.undoChangeStackPointer;\n    let i = elems.length;\n    const oldValues = new Array(i), elements = new Array(i);\n    while (i--) {\n      const elem = elems[i];\n      if (elem == null) { continue; }\n      elements[i] = elem;\n      oldValues[i] = elem.getAttribute(attrName);\n    }\n    this.undoableChangeStack[p] = {\n      attrName,\n      oldValues,\n      elements\n    };\n  }\n\n  /**\n  * This function returns a `BatchCommand` object which summarizes the\n  * change since `beginUndoableChange` was called.  The command can then\n  * be added to the command history\n  * @returns {BatchCommand} Batch command object with resulting changes\n  */\n  finishUndoableChange () {\n    const p = this.undoChangeStackPointer--;\n    const changeset = this.undoableChangeStack[p];\n    const {attrName} = changeset;\n    const batchCmd = new BatchCommand('Change ' + attrName);\n    let i = changeset.elements.length;\n    while (i--) {\n      const elem = changeset.elements[i];\n      if (elem == null) { continue; }\n      const changes = {};\n      changes[attrName] = changeset.oldValues[i];\n      if (changes[attrName] !== elem.getAttribute(attrName)) {\n        batchCmd.addSubCommand(new ChangeElementCommand(elem, changes, attrName));\n      }\n    }\n    this.undoableChangeStack[p] = null;\n    return batchCmd;\n  }\n}\n","/* globals jQuery */\n/**\n * Path functionality\n * @module path\n * @license MIT\n *\n * @copyright 2011 Alexis Deveria, 2011 Jeff Schiller\n */\n\nimport './svgpathseg.js';\nimport {NS} from './namespaces.js';\nimport {getTransformList} from './svgtransformlist.js';\nimport {shortFloat} from './units.js';\nimport {ChangeElementCommand, BatchCommand} from './history.js';\nimport {\n  transformPoint, getMatrix, snapToAngle, rectsIntersect,\n  transformListToTransform\n} from './math.js';\nimport {\n  assignAttributes, getElem, getRotationAngle, getBBox,\n  getRefElem, findDefs, snapToGrid,\n  getBBox as utilsGetBBox\n} from './utilities.js';\nimport {\n  supportsPathInsertItemBefore, supportsPathReplaceItem, isWebkit\n} from './browser.js';\n\nconst $ = jQuery;\n\nconst segData = {\n  2: ['x', 'y'], // PATHSEG_MOVETO_ABS\n  4: ['x', 'y'], // PATHSEG_LINETO_ABS\n  6: ['x', 'y', 'x1', 'y1', 'x2', 'y2'], // PATHSEG_CURVETO_CUBIC_ABS\n  8: ['x', 'y', 'x1', 'y1'], // PATHSEG_CURVETO_QUADRATIC_ABS\n  10: ['x', 'y', 'r1', 'r2', 'angle', 'largeArcFlag', 'sweepFlag'], // PATHSEG_ARC_ABS\n  12: ['x'], // PATHSEG_LINETO_HORIZONTAL_ABS\n  14: ['y'], // PATHSEG_LINETO_VERTICAL_ABS\n  16: ['x', 'y', 'x2', 'y2'], // PATHSEG_CURVETO_CUBIC_SMOOTH_ABS\n  18: ['x', 'y'] // PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS\n};\n\n/**\n * @tutorial LocaleDocs\n * @typedef {module:locale.LocaleStrings|PlainObject} module:path.uiStrings\n * @property {PlainObject.<string, string>} ui\n*/\n\nconst uiStrings = {};\n/**\n* @function module:path.setUiStrings\n* @param {module:path.uiStrings} strs\n* @returns {undefined}\n*/\nexport const setUiStrings = function (strs) {\n  Object.assign(uiStrings, strs.ui);\n};\n\nlet pathFuncs = [];\n\nlet linkControlPts = true;\n\n// Stores references to paths via IDs.\n// TODO: Make this cross-document happy.\nlet pathData = {};\n\n/**\n* @function module:path.setLinkControlPoints\n* @param {boolean} lcp\n* @returns {undefined}\n*/\nexport const setLinkControlPoints = function (lcp) {\n  linkControlPts = lcp;\n};\n\n/**\n * @name module:path.path\n * @type {null|module:path.Path}\n * @memberof module:path\n*/\nexport let path = null;\n\nlet editorContext_ = null;\n\n/**\n* @external MouseEvent\n*/\n\n/**\n* Object with the following keys/values\n* @typedef {PlainObject} module:path.SVGElementJSON\n* @property {string} element - Tag name of the SVG element to create\n* @property {PlainObject.<string, string>} attr - Has key-value attributes to assign to the new element\n* @property {boolean} [curStyles=false] - Indicates whether current style attributes should be applied first\n* @property {module:path.SVGElementJSON[]} [children] - Data objects to be added recursively as children\n* @property {string} [namespace=\"http://www.w3.org/2000/svg\"] - Indicate a (non-SVG) namespace\n*/\n/**\n * @interface module:path.EditorContext\n * @property {module:select.SelectorManager} selectorManager\n * @property {module:svgcanvas.SvgCanvas} canvas\n */\n/**\n * @function module:path.EditorContext#call\n * @param {\"selected\"|\"changed\"} ev - String with the event name\n * @param {module:svgcanvas.SvgCanvas#event:selected|module:svgcanvas.SvgCanvas#event:changed} arg - Argument to pass through to the callback function. If the event is \"changed\", an array of `Element`s is passed; if \"selected\", a single-item array of `Element` is passed.\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#resetD\n * @param {SVGPathElement} p\n * @returns {undefined}\n*/\n/**\n * Note: This doesn't round to an integer necessarily\n * @function module:path.EditorContext#round\n * @param {Float} val\n * @returns {Float} Rounded value to nearest value based on `currentZoom`\n */\n/**\n * @function module:path.EditorContext#clearSelection\n * @param {boolean} [noCall] - When `true`, does not call the \"selected\" handler\n * @returns {undefined}\n*/\n/**\n * @function module:path.EditorContext#addToSelection\n * @param {Element[]} elemsToAdd - An array of DOM elements to add to the selection\n * @param {boolean} showGrips - Indicates whether the resize grips should be shown\n * @returns {undefined}\n*/\n/**\n * @function module:path.EditorContext#addCommandToHistory\n * @param {Command} cmd\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#remapElement\n * @param {Element} selected - DOM element to be changed\n * @param {PlainObject.<string, string>} changes - Object with changes to be remapped\n * @param {SVGMatrix} m - Matrix object to use for remapping coordinates\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#addSVGElementFromJson\n * @param {module:path.SVGElementJSON} data\n * @returns {Element} The new element\n*/\n/**\n * @function module:path.EditorContext#getGridSnapping\n * @returns {boolean}\n */\n/**\n * @function module:path.EditorContext#getOpacity\n * @returns {Float}\n */\n/**\n * @function module:path.EditorContext#getSelectedElements\n * @returns {Element[]} the array with selected DOM elements\n*/\n/**\n * @function module:path.EditorContext#getContainer\n * @returns {Element}\n */\n/**\n * @function module:path.EditorContext#setStarted\n * @param {boolean} s\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#getRubberBox\n * @returns {SVGRectElement}\n*/\n/**\n * @function module:path.EditorContext#setRubberBox\n * @param {SVGRectElement} rb\n * @returns {SVGRectElement} Same as parameter passed in\n */\n/**\n * @function module:path.EditorContext#addPtsToSelection\n * @param {PlainObject} cfg\n * @param {boolean} cfg.closedSubpath\n * @param {SVGCircleElement[]} cfg.grips\n * @returns {undefined}\n */\n/**\n * @function module:path.EditorContext#endChanges\n * @param {PlainObject} cfg\n * @param {string} cfg.cmd\n * @param {Element} cfg.elem\n * @returns {undefined}\n*/\n/**\n * @function module:path.EditorContext#getCurrentZoom\n * @returns {Float} The current zoom level\n */\n/**\n * Returns the last created DOM element ID string\n * @function module:path.EditorContext#getId\n * @returns {string}\n */\n/**\n * Creates and returns a unique ID string for a DOM element\n * @function module:path.EditorContext#getNextId\n * @returns {string}\n*/\n/**\n * Gets the desired element from a mouse event\n * @function module:path.EditorContext#getMouseTarget\n * @param {external:MouseEvent} evt - Event object from the mouse event\n * @returns {Element} DOM element we want\n */\n/**\n * @function module:path.EditorContext#getCurrentMode\n * @returns {string}\n */\n/**\n * @function module:path.EditorContext#setCurrentMode\n * @param {string} cm The mode\n * @returns {string} The same mode as passed in\n*/\n/**\n * @function module:path.EditorContext#getDrawnPath\n * @returns {SVGPathElement|null}\n */\n/**\n * @function module:path.EditorContext#setDrawnPath\n * @param {SVGPathElement|null} dp\n * @returns {SVGPathElement|null} The same value as passed in\n */\n/**\n * @function module:path.EditorContext#getSVGRoot\n * @returns {SVGSVGElement}\n*/\n\n/**\n* @function module:path.init\n* @param {module:path.EditorContext} editorContext\n* @returns {undefined}\n*/\nexport const init = function (editorContext) {\n  editorContext_ = editorContext;\n\n  pathFuncs = [0, 'ClosePath'];\n  const pathFuncsStrs = ['Moveto', 'Lineto', 'CurvetoCubic', 'CurvetoQuadratic', 'Arc',\n    'LinetoHorizontal', 'LinetoVertical', 'CurvetoCubicSmooth', 'CurvetoQuadraticSmooth'];\n  $.each(pathFuncsStrs, function (i, s) {\n    pathFuncs.push(s + 'Abs');\n    pathFuncs.push(s + 'Rel');\n  });\n};\n\n/**\n* @function module:path.insertItemBefore\n* @param {Element} elem\n* @param {Segment} newseg\n* @param {Integer} index\n* @returns {undefined}\n*/\nexport const insertItemBefore = function (elem, newseg, index) {\n  // Support insertItemBefore on paths for FF2\n  const list = elem.pathSegList;\n\n  if (supportsPathInsertItemBefore()) {\n    list.insertItemBefore(newseg, index);\n    return;\n  }\n  const len = list.numberOfItems;\n  const arr = [];\n  for (let i = 0; i < len; i++) {\n    const curSeg = list.getItem(i);\n    arr.push(curSeg);\n  }\n  list.clear();\n  for (let i = 0; i < len; i++) {\n    if (i === index) { // index + 1\n      list.appendItem(newseg);\n    }\n    list.appendItem(arr[i]);\n  }\n};\n\n/**\n* @function module:path.ptObjToArr\n* @todo See if this should just live in `replacePathSeg`\n* @param {string} type\n* @param {SVGPathSegMovetoAbs|SVGPathSegLinetoAbs|SVGPathSegCurvetoCubicAbs|SVGPathSegCurvetoQuadraticAbs|SVGPathSegArcAbs|SVGPathSegLinetoHorizontalAbs|SVGPathSegLinetoVerticalAbs|SVGPathSegCurvetoCubicSmoothAbs|SVGPathSegCurvetoQuadraticSmoothAbs} segItem\n* @returns {ArgumentsArray}\n*/\nexport const ptObjToArr = function (type, segItem) {\n  const props = segData[type];\n  return props.map((prop) => {\n    return segItem[prop];\n  });\n};\n\n/**\n* @function module:path.getGripPt\n* @param {Segment} seg\n* @param {module:math.XYObject} altPt\n* @returns {module:math.XYObject}\n*/\nexport const getGripPt = function (seg, altPt) {\n  const {path} = seg;\n  let out = {\n    x: altPt ? altPt.x : seg.item.x,\n    y: altPt ? altPt.y : seg.item.y\n  };\n\n  if (path.matrix) {\n    const pt = transformPoint(out.x, out.y, path.matrix);\n    out = pt;\n  }\n\n  const currentZoom = editorContext_.getCurrentZoom();\n  out.x *= currentZoom;\n  out.y *= currentZoom;\n\n  return out;\n};\n\n/**\n* @function module:path.getPointFromGrip\n* @param {module:math.XYObject} pt\n* @param {module:path.Path} path\n* @returns {module:math.XYObject}\n*/\nexport const getPointFromGrip = function (pt, path) {\n  const out = {\n    x: pt.x,\n    y: pt.y\n  };\n\n  if (path.matrix) {\n    pt = transformPoint(out.x, out.y, path.imatrix);\n    out.x = pt.x;\n    out.y = pt.y;\n  }\n\n  const currentZoom = editorContext_.getCurrentZoom();\n  out.x /= currentZoom;\n  out.y /= currentZoom;\n\n  return out;\n};\n\n/**\n* Requires prior call to `setUiStrings` if `xlink:title`\n*    to be set on the grip\n* @function module:path.addPointGrip\n* @param {Integer} index\n* @param {Integer} x\n* @param {Integer} y\n* @returns {SVGCircleElement}\n*/\nexport const addPointGrip = function (index, x, y) {\n  // create the container of all the point grips\n  const pointGripContainer = getGripContainer();\n\n  let pointGrip = getElem('pathpointgrip_' + index);\n  // create it\n  if (!pointGrip) {\n    pointGrip = document.createElementNS(NS.SVG, 'circle');\n    const atts = {\n      id: 'pathpointgrip_' + index,\n      display: 'none',\n      r: 4,\n      fill: '#0FF',\n      stroke: '#00F',\n      'stroke-width': 2,\n      cursor: 'move',\n      style: 'pointer-events:all'\n    };\n    if ('pathNodeTooltip' in uiStrings) { // May be empty if running path.js without svg-editor\n      atts['xlink:title'] = uiStrings.pathNodeTooltip;\n    }\n    assignAttributes(pointGrip, atts);\n    pointGrip = pointGripContainer.appendChild(pointGrip);\n\n    const grip = $('#pathpointgrip_' + index);\n    grip.dblclick(function () {\n      if (path) {\n        path.setSegType();\n      }\n    });\n  }\n  if (x && y) {\n    // set up the point grip element and display it\n    assignAttributes(pointGrip, {\n      cx: x,\n      cy: y,\n      display: 'inline'\n    });\n  }\n  return pointGrip;\n};\n\n/**\n* @function module:path.getGripContainer\n* @returns {Element}\n*/\nexport const getGripContainer = function () {\n  let c = getElem('pathpointgrip_container');\n  if (!c) {\n    const parent = getElem('selectorParentGroup');\n    c = parent.appendChild(document.createElementNS(NS.SVG, 'g'));\n    c.id = 'pathpointgrip_container';\n  }\n  return c;\n};\n\n/**\n* Requires prior call to `setUiStrings` if `xlink:title`\n*    to be set on the grip\n* @function module:path.addCtrlGrip\n* @param {string} id\n* @returns {SVGCircleElement}\n*/\nexport const addCtrlGrip = function (id) {\n  let pointGrip = getElem('ctrlpointgrip_' + id);\n  if (pointGrip) { return pointGrip; }\n\n  pointGrip = document.createElementNS(NS.SVG, 'circle');\n  const atts = {\n    id: 'ctrlpointgrip_' + id,\n    display: 'none',\n    r: 4,\n    fill: '#0FF',\n    stroke: '#55F',\n    'stroke-width': 1,\n    cursor: 'move',\n    style: 'pointer-events:all'\n  };\n  if ('pathCtrlPtTooltip' in uiStrings) { // May be empty if running path.js without svg-editor\n    atts['xlink:title'] = uiStrings.pathCtrlPtTooltip;\n  }\n  assignAttributes(pointGrip, atts);\n  getGripContainer().append(pointGrip);\n  return pointGrip;\n};\n\n/**\n* @function module:path.getCtrlLine\n* @param {string} id\n* @returns {SVGLineElement}\n*/\nexport const getCtrlLine = function (id) {\n  let ctrlLine = getElem('ctrlLine_' + id);\n  if (ctrlLine) { return ctrlLine; }\n\n  ctrlLine = document.createElementNS(NS.SVG, 'line');\n  assignAttributes(ctrlLine, {\n    id: 'ctrlLine_' + id,\n    stroke: '#555',\n    'stroke-width': 1,\n    style: 'pointer-events:none'\n  });\n  getGripContainer().append(ctrlLine);\n  return ctrlLine;\n};\n\n/**\n* @function module:path.getPointGrip\n* @param {Segment} seg\n* @param {boolean} update\n* @returns {SVGCircleElement}\n*/\nexport const getPointGrip = function (seg, update) {\n  const {index} = seg;\n  const pointGrip = addPointGrip(index);\n\n  if (update) {\n    const pt = getGripPt(seg);\n    assignAttributes(pointGrip, {\n      cx: pt.x,\n      cy: pt.y,\n      display: 'inline'\n    });\n  }\n\n  return pointGrip;\n};\n\n/**\n* @function module:path.getControlPoints\n* @param {Segment} seg\n* @returns {PlainObject.<string, SVGLineElement|SVGCircleElement>}\n*/\nexport const getControlPoints = function (seg) {\n  const {item, index} = seg;\n  if (!('x1' in item) || !('x2' in item)) { return null; }\n  const cpt = {};\n  /* const pointGripContainer = */ getGripContainer();\n\n  // Note that this is intentionally not seg.prev.item\n  const prev = path.segs[index - 1].item;\n\n  const segItems = [prev, item];\n\n  for (let i = 1; i < 3; i++) {\n    const id = index + 'c' + i;\n\n    const ctrlLine = cpt['c' + i + '_line'] = getCtrlLine(id);\n\n    const pt = getGripPt(seg, {x: item['x' + i], y: item['y' + i]});\n    const gpt = getGripPt(seg, {x: segItems[i - 1].x, y: segItems[i - 1].y});\n\n    assignAttributes(ctrlLine, {\n      x1: pt.x,\n      y1: pt.y,\n      x2: gpt.x,\n      y2: gpt.y,\n      display: 'inline'\n    });\n\n    cpt['c' + i + '_line'] = ctrlLine;\n\n    // create it\n    const pointGrip = cpt['c' + i] = addCtrlGrip(id);\n\n    assignAttributes(pointGrip, {\n      cx: pt.x,\n      cy: pt.y,\n      display: 'inline'\n    });\n    cpt['c' + i] = pointGrip;\n  }\n  return cpt;\n};\n\n/**\n* This replaces the segment at the given index. Type is given as number.\n* @function module:path.replacePathSeg\n* @param {Integer} type Possible values set during {@link module:path.init}\n* @param {Integer} index\n* @param {ArgumentsArray} pts\n* @param {SVGPathElement} elem\n*/\nexport const replacePathSeg = function (type, index, pts, elem) {\n  const pth = elem || path.elem;\n\n  const func = 'createSVGPathSeg' + pathFuncs[type];\n  const seg = pth[func].apply(pth, pts);\n\n  if (supportsPathReplaceItem()) {\n    pth.pathSegList.replaceItem(seg, index);\n  } else {\n    const segList = pth.pathSegList;\n    const len = segList.numberOfItems;\n    const arr = [];\n    for (let i = 0; i < len; i++) {\n      const curSeg = segList.getItem(i);\n      arr.push(curSeg);\n    }\n    segList.clear();\n    for (let i = 0; i < len; i++) {\n      if (i === index) {\n        segList.appendItem(seg);\n      } else {\n        segList.appendItem(arr[i]);\n      }\n    }\n  }\n};\n\n/**\n* @function module:path.getSegSelector\n* @param {Segment} seg\n* @param {boolean} update\n* @returns {SVGPathElement}\n*/\nexport const getSegSelector = function (seg, update) {\n  const {index} = seg;\n  let segLine = getElem('segline_' + index);\n  if (!segLine) {\n    const pointGripContainer = getGripContainer();\n    // create segline\n    segLine = document.createElementNS(NS.SVG, 'path');\n    assignAttributes(segLine, {\n      id: 'segline_' + index,\n      display: 'none',\n      fill: 'none',\n      stroke: '#0FF',\n      'stroke-width': 2,\n      style: 'pointer-events:none',\n      d: 'M0,0 0,0'\n    });\n    pointGripContainer.append(segLine);\n  }\n\n  if (update) {\n    const {prev} = seg;\n    if (!prev) {\n      segLine.setAttribute('display', 'none');\n      return segLine;\n    }\n\n    const pt = getGripPt(prev);\n    // Set start point\n    replacePathSeg(2, 0, [pt.x, pt.y], segLine);\n\n    const pts = ptObjToArr(seg.type, seg.item); // , true);\n    for (let i = 0; i < pts.length; i += 2) {\n      const pt = getGripPt(seg, {x: pts[i], y: pts[i + 1]});\n      pts[i] = pt.x;\n      pts[i + 1] = pt.y;\n    }\n\n    replacePathSeg(seg.type, 1, pts, segLine);\n  }\n  return segLine;\n};\n\n/**\n * @typedef {PlainObject} Point\n * @property {Integer} x The x value\n * @property {Integer} y The y value\n */\n\n/**\n* Takes three points and creates a smoother line based on them\n* @function module:path.smoothControlPoints\n* @param {Point} ct1 - Object with x and y values (first control point)\n* @param {Point} ct2 - Object with x and y values (second control point)\n* @param {Point} pt - Object with x and y values (third point)\n* @returns {Point[]} Array of two \"smoothed\" point objects\n*/\nexport const smoothControlPoints = function (ct1, ct2, pt) {\n  // each point must not be the origin\n  const x1 = ct1.x - pt.x,\n    y1 = ct1.y - pt.y,\n    x2 = ct2.x - pt.x,\n    y2 = ct2.y - pt.y;\n\n  if ((x1 !== 0 || y1 !== 0) && (x2 !== 0 || y2 !== 0)) {\n    const\n      r1 = Math.sqrt(x1 * x1 + y1 * y1),\n      r2 = Math.sqrt(x2 * x2 + y2 * y2),\n      nct1 = editorContext_.getSVGRoot().createSVGPoint(),\n      nct2 = editorContext_.getSVGRoot().createSVGPoint();\n    let anglea = Math.atan2(y1, x1),\n      angleb = Math.atan2(y2, x2);\n    if (anglea < 0) { anglea += 2 * Math.PI; }\n    if (angleb < 0) { angleb += 2 * Math.PI; }\n\n    const angleBetween = Math.abs(anglea - angleb),\n      angleDiff = Math.abs(Math.PI - angleBetween) / 2;\n\n    let newAnglea, newAngleb;\n    if (anglea - angleb > 0) {\n      newAnglea = angleBetween < Math.PI ? (anglea + angleDiff) : (anglea - angleDiff);\n      newAngleb = angleBetween < Math.PI ? (angleb - angleDiff) : (angleb + angleDiff);\n    } else {\n      newAnglea = angleBetween < Math.PI ? (anglea - angleDiff) : (anglea + angleDiff);\n      newAngleb = angleBetween < Math.PI ? (angleb + angleDiff) : (angleb - angleDiff);\n    }\n\n    // rotate the points\n    nct1.x = r1 * Math.cos(newAnglea) + pt.x;\n    nct1.y = r1 * Math.sin(newAnglea) + pt.y;\n    nct2.x = r2 * Math.cos(newAngleb) + pt.x;\n    nct2.y = r2 * Math.sin(newAngleb) + pt.y;\n\n    return [nct1, nct2];\n  }\n  return undefined;\n};\n\n/**\n*\n*/\nexport class Segment {\n  /**\n  * @param {Integer} index\n  * @param {SVGPathSeg} item\n  * @todo Is `item` be more constrained here?\n  */\n  constructor (index, item) {\n    this.selected = false;\n    this.index = index;\n    this.item = item;\n    this.type = item.pathSegType;\n\n    this.ctrlpts = [];\n    this.ptgrip = null;\n    this.segsel = null;\n  }\n\n  /**\n   * @param {boolean} y\n   * @returns {undefined}\n   */\n  showCtrlPts (y) {\n    for (const i in this.ctrlpts) {\n      if (this.ctrlpts.hasOwnProperty(i)) {\n        this.ctrlpts[i].setAttribute('display', y ? 'inline' : 'none');\n      }\n    }\n  }\n\n  /**\n   * @param {boolean} y\n   * @returns {undefined}\n   */\n  selectCtrls (y) {\n    $('#ctrlpointgrip_' + this.index + 'c1, #ctrlpointgrip_' + this.index + 'c2')\n      .attr('fill', y ? '#0FF' : '#EEE');\n  }\n\n  /**\n   * @param {boolean} y\n   * @returns {undefined}\n   */\n  show (y) {\n    if (this.ptgrip) {\n      this.ptgrip.setAttribute('display', y ? 'inline' : 'none');\n      this.segsel.setAttribute('display', y ? 'inline' : 'none');\n      // Show/hide all control points if available\n      this.showCtrlPts(y);\n    }\n  }\n\n  /**\n   * @param {boolean} y\n   * @returns {undefined}\n   */\n  select (y) {\n    if (this.ptgrip) {\n      this.ptgrip.setAttribute('stroke', y ? '#0FF' : '#00F');\n      this.segsel.setAttribute('display', y ? 'inline' : 'none');\n      if (this.ctrlpts) {\n        this.selectCtrls(y);\n      }\n      this.selected = y;\n    }\n  }\n\n  /**\n   * @returns {undefined}\n   */\n  addGrip () {\n    this.ptgrip = getPointGrip(this, true);\n    this.ctrlpts = getControlPoints(this); // , true);\n    this.segsel = getSegSelector(this, true);\n  }\n\n  /**\n   * @param {boolean} full\n   * @returns {undefined}\n   */\n  update (full) {\n    if (this.ptgrip) {\n      const pt = getGripPt(this);\n      assignAttributes(this.ptgrip, {\n        cx: pt.x,\n        cy: pt.y\n      });\n\n      getSegSelector(this, true);\n\n      if (this.ctrlpts) {\n        if (full) {\n          this.item = path.elem.pathSegList.getItem(this.index);\n          this.type = this.item.pathSegType;\n        }\n        getControlPoints(this);\n      }\n      // this.segsel.setAttribute('display', y ? 'inline' : 'none');\n    }\n  }\n\n  /**\n   * @param {Integer} dx\n   * @param {Integer} dy\n   * @returns {undefined}\n   */\n  move (dx, dy) {\n    const {item} = this;\n\n    const curPts = this.ctrlpts\n      ? [item.x += dx, item.y += dy,\n        item.x1, item.y1, item.x2 += dx, item.y2 += dy\n      ]\n      : [item.x += dx, item.y += dy];\n\n    replacePathSeg(this.type, this.index, curPts);\n\n    if (this.next && this.next.ctrlpts) {\n      const next = this.next.item;\n      const nextPts = [next.x, next.y,\n        next.x1 += dx, next.y1 += dy, next.x2, next.y2];\n      replacePathSeg(this.next.type, this.next.index, nextPts);\n    }\n\n    if (this.mate) {\n      // The last point of a closed subpath has a 'mate',\n      // which is the 'M' segment of the subpath\n      const {item} = this.mate;\n      const pts = [item.x += dx, item.y += dy];\n      replacePathSeg(this.mate.type, this.mate.index, pts);\n      // Has no grip, so does not need 'updating'?\n    }\n\n    this.update(true);\n    if (this.next) { this.next.update(true); }\n  }\n\n  /**\n   * @param {Integer} num\n   * @returns {undefined}\n   */\n  setLinked (num) {\n    let seg, anum, pt;\n    if (num === 2) {\n      anum = 1;\n      seg = this.next;\n      if (!seg) { return; }\n      pt = this.item;\n    } else {\n      anum = 2;\n      seg = this.prev;\n      if (!seg) { return; }\n      pt = seg.item;\n    }\n\n    const {item} = seg;\n    item['x' + anum] = pt.x + (pt.x - this.item['x' + num]);\n    item['y' + anum] = pt.y + (pt.y - this.item['y' + num]);\n\n    const pts = [item.x, item.y,\n      item.x1, item.y1,\n      item.x2, item.y2];\n\n    replacePathSeg(seg.type, seg.index, pts);\n    seg.update(true);\n  }\n\n  /**\n   * @param {Integer} num\n   * @param {Integer} dx\n   * @param {Integer} dy\n   * @returns {undefined}\n   */\n  moveCtrl (num, dx, dy) {\n    const {item} = this;\n    item['x' + num] += dx;\n    item['y' + num] += dy;\n\n    const pts = [item.x, item.y,\n      item.x1, item.y1, item.x2, item.y2];\n\n    replacePathSeg(this.type, this.index, pts);\n    this.update(true);\n  }\n\n  /**\n   * @param {Integer} newType Possible values set during {@link module:path.init}\n   * @param {ArgumentsArray} pts\n   */\n  setType (newType, pts) {\n    replacePathSeg(newType, this.index, pts);\n    this.type = newType;\n    this.item = path.elem.pathSegList.getItem(this.index);\n    this.showCtrlPts(newType === 6);\n    this.ctrlpts = getControlPoints(this);\n    this.update(true);\n  }\n}\n\n/**\n*\n*/\nexport class Path {\n  /**\n  * @param {SVGPathElement}\n  * @throws {Error} If constructed without a path element\n  */\n  constructor (elem) {\n    if (!elem || elem.tagName !== 'path') {\n      throw new Error('svgedit.path.Path constructed without a <path> element');\n    }\n\n    this.elem = elem;\n    this.segs = [];\n    this.selected_pts = [];\n    path = this;\n\n    this.init();\n  }\n\n  /**\n  * Reset path data\n  * @returns {module:path.Path}\n  */\n  init () {\n    // Hide all grips, etc\n\n    // fixed, needed to work on all found elements, not just first\n    $(getGripContainer()).find('*').each(function () {\n      $(this).attr('display', 'none');\n    });\n\n    const segList = this.elem.pathSegList;\n    const len = segList.numberOfItems;\n    this.segs = [];\n    this.selected_pts = [];\n    this.first_seg = null;\n\n    // Set up segs array\n    for (let i = 0; i < len; i++) {\n      const item = segList.getItem(i);\n      const segment = new Segment(i, item);\n      segment.path = this;\n      this.segs.push(segment);\n    }\n\n    const {segs} = this;\n\n    let startI = null;\n    for (let i = 0; i < len; i++) {\n      const seg = segs[i];\n      const nextSeg = (i + 1) >= len ? null : segs[i + 1];\n      const prevSeg = (i - 1) < 0 ? null : segs[i - 1];\n      if (seg.type === 2) {\n        if (prevSeg && prevSeg.type !== 1) {\n          // New sub-path, last one is open,\n          // so add a grip to last sub-path's first point\n          const startSeg = segs[startI];\n          startSeg.next = segs[startI + 1];\n          startSeg.next.prev = startSeg;\n          startSeg.addGrip();\n        }\n        // Remember that this is a starter seg\n        startI = i;\n      } else if (nextSeg && nextSeg.type === 1) {\n        // This is the last real segment of a closed sub-path\n        // Next is first seg after \"M\"\n        seg.next = segs[startI + 1];\n\n        // First seg after \"M\"'s prev is this\n        seg.next.prev = seg;\n        seg.mate = segs[startI];\n        seg.addGrip();\n        if (this.first_seg == null) {\n          this.first_seg = seg;\n        }\n      } else if (!nextSeg) {\n        if (seg.type !== 1) {\n          // Last seg, doesn't close so add a grip\n          // to last sub-path's first point\n          const startSeg = segs[startI];\n          startSeg.next = segs[startI + 1];\n          startSeg.next.prev = startSeg;\n          startSeg.addGrip();\n          seg.addGrip();\n\n          if (!this.first_seg) {\n            // Open path, so set first as real first and add grip\n            this.first_seg = segs[startI];\n          }\n        }\n      } else if (seg.type !== 1) {\n        // Regular segment, so add grip and its \"next\"\n        seg.addGrip();\n\n        // Don't set its \"next\" if it's an \"M\"\n        if (nextSeg && nextSeg.type !== 2) {\n          seg.next = nextSeg;\n          seg.next.prev = seg;\n        }\n      }\n    }\n    return this;\n  }\n\n  /**\n  * @callback module:path.PathEachSegCallback\n  * @this module:path.Segment\n  * @param {Integer} i The index of the seg being iterated\n  * @returns {boolean} Will stop execution of `eachSeg` if returns `false`\n  */\n  /**\n  * @param {module:path.PathEachSegCallback} fn\n  * @returns {undefined}\n  */\n  eachSeg (fn) {\n    const len = this.segs.length;\n    for (let i = 0; i < len; i++) {\n      const ret = fn.call(this.segs[i], i);\n      if (ret === false) { break; }\n    }\n  }\n\n  /**\n  * @param {Integer} index\n  * @returns {undefined}\n  */\n  addSeg (index) {\n    // Adds a new segment\n    const seg = this.segs[index];\n    if (!seg.prev) { return; }\n\n    const {prev} = seg;\n    let newseg, newX, newY;\n    switch (seg.item.pathSegType) {\n    case 4: {\n      newX = (seg.item.x + prev.item.x) / 2;\n      newY = (seg.item.y + prev.item.y) / 2;\n      newseg = this.elem.createSVGPathSegLinetoAbs(newX, newY);\n      break;\n    } case 6: { // make it a curved segment to preserve the shape (WRS)\n      // https://en.wikipedia.org/wiki/De_Casteljau%27s_algorithm#Geometric_interpretation\n      const p0x = (prev.item.x + seg.item.x1) / 2;\n      const p1x = (seg.item.x1 + seg.item.x2) / 2;\n      const p2x = (seg.item.x2 + seg.item.x) / 2;\n      const p01x = (p0x + p1x) / 2;\n      const p12x = (p1x + p2x) / 2;\n      newX = (p01x + p12x) / 2;\n      const p0y = (prev.item.y + seg.item.y1) / 2;\n      const p1y = (seg.item.y1 + seg.item.y2) / 2;\n      const p2y = (seg.item.y2 + seg.item.y) / 2;\n      const p01y = (p0y + p1y) / 2;\n      const p12y = (p1y + p2y) / 2;\n      newY = (p01y + p12y) / 2;\n      newseg = this.elem.createSVGPathSegCurvetoCubicAbs(newX, newY, p0x, p0y, p01x, p01y);\n      const pts = [seg.item.x, seg.item.y, p12x, p12y, p2x, p2y];\n      replacePathSeg(seg.type, index, pts);\n      break;\n    }\n    }\n\n    insertItemBefore(this.elem, newseg, index);\n  }\n\n  /**\n  * @param {Integer} index\n  * @returns {undefined}\n  */\n  deleteSeg (index) {\n    const seg = this.segs[index];\n    const list = this.elem.pathSegList;\n\n    seg.show(false);\n    const {next} = seg;\n    if (seg.mate) {\n      // Make the next point be the \"M\" point\n      const pt = [next.item.x, next.item.y];\n      replacePathSeg(2, next.index, pt);\n\n      // Reposition last node\n      replacePathSeg(4, seg.index, pt);\n\n      list.removeItem(seg.mate.index);\n    } else if (!seg.prev) {\n      // First node of open path, make next point the M\n      // const {item} = seg;\n      const pt = [next.item.x, next.item.y];\n      replacePathSeg(2, seg.next.index, pt);\n      list.removeItem(index);\n    } else {\n      list.removeItem(index);\n    }\n  }\n\n  /**\n  * @param {Integer} index\n  * @returns {boolean}\n  */\n  subpathIsClosed (index) {\n    let closed = false;\n    // Check if subpath is already open\n    path.eachSeg(function (i) {\n      if (i <= index) { return true; }\n      if (this.type === 2) {\n        // Found M first, so open\n        return false;\n      }\n      if (this.type === 1) {\n        // Found Z first, so closed\n        closed = true;\n        return false;\n      }\n    });\n\n    return closed;\n  }\n\n  /**\n  * @param {Integer} index\n  * @returns {undefined}\n  */\n  removePtFromSelection (index) {\n    const pos = this.selected_pts.indexOf(index);\n    if (pos === -1) {\n      return;\n    }\n    this.segs[index].select(false);\n    this.selected_pts.splice(pos, 1);\n  }\n\n  /**\n  * @returns {undefined}\n  */\n  clearSelection () {\n    this.eachSeg(function () {\n      // 'this' is the segment here\n      this.select(false);\n    });\n    this.selected_pts = [];\n  }\n\n  /**\n  * @returns {undefined}\n  */\n  storeD () {\n    this.last_d = this.elem.getAttribute('d');\n  }\n\n  /**\n  * @param {Integer} y\n  * @returns {undefined}\n  */\n  show (y) {\n    // Shows this path's segment grips\n    this.eachSeg(function () {\n      // 'this' is the segment here\n      this.show(y);\n    });\n    if (y) {\n      this.selectPt(this.first_seg.index);\n    }\n    return this;\n  }\n\n  /**\n  * Move selected points\n  * @param {Integer} dx\n  * @param {Integer} dy\n  * @returns {undefined}\n  */\n  movePts (dx, dy) {\n    let i = this.selected_pts.length;\n    while (i--) {\n      const seg = this.segs[this.selected_pts[i]];\n      seg.move(dx, dy);\n    }\n  }\n\n  /**\n  * @param {Integer} dx\n  * @param {Integer} dy\n  * @returns {undefined}\n  */\n  moveCtrl (dx, dy) {\n    const seg = this.segs[this.selected_pts[0]];\n    seg.moveCtrl(this.dragctrl, dx, dy);\n    if (linkControlPts) {\n      seg.setLinked(this.dragctrl);\n    }\n  }\n\n  /**\n  * @param {?Integer} newType See {@link https://www.w3.org/TR/SVG/single-page.html#paths-InterfaceSVGPathSeg}\n  * @returns {undefined}\n  */\n  setSegType (newType) {\n    this.storeD();\n    let i = this.selected_pts.length;\n    let text;\n    while (i--) {\n      const selPt = this.selected_pts[i];\n\n      // Selected seg\n      const cur = this.segs[selPt];\n      const {prev} = cur;\n      if (!prev) { continue; }\n\n      if (!newType) { // double-click, so just toggle\n        text = 'Toggle Path Segment Type';\n\n        // Toggle segment to curve/straight line\n        const oldType = cur.type;\n\n        newType = (oldType === 6) ? 4 : 6;\n      }\n\n      newType = Number(newType);\n\n      const curX = cur.item.x;\n      const curY = cur.item.y;\n      const prevX = prev.item.x;\n      const prevY = prev.item.y;\n      let points;\n      switch (newType) {\n      case 6: {\n        if (cur.olditem) {\n          const old = cur.olditem;\n          points = [curX, curY, old.x1, old.y1, old.x2, old.y2];\n        } else {\n          const diffX = curX - prevX;\n          const diffY = curY - prevY;\n          // get control points from straight line segment\n          /*\n          const ct1x = (prevX + (diffY/2));\n          const ct1y = (prevY - (diffX/2));\n          const ct2x = (curX + (diffY/2));\n          const ct2y = (curY - (diffX/2));\n          */\n          // create control points on the line to preserve the shape (WRS)\n          const ct1x = (prevX + (diffX / 3));\n          const ct1y = (prevY + (diffY / 3));\n          const ct2x = (curX - (diffX / 3));\n          const ct2y = (curY - (diffY / 3));\n          points = [curX, curY, ct1x, ct1y, ct2x, ct2y];\n        }\n        break;\n      } case 4: {\n        points = [curX, curY];\n\n        // Store original prevve segment nums\n        cur.olditem = cur.item;\n        break;\n      }\n      }\n\n      cur.setType(newType, points);\n    }\n    path.endChanges(text);\n  }\n\n  /**\n  * @param {Integer} pt\n  * @param {Integer} ctrlNum\n  * @returns {undefined}\n  */\n  selectPt (pt, ctrlNum) {\n    this.clearSelection();\n    if (pt == null) {\n      this.eachSeg(function (i) {\n        // 'this' is the segment here.\n        if (this.prev) {\n          pt = i;\n        }\n      });\n    }\n    this.addPtsToSelection(pt);\n    if (ctrlNum) {\n      this.dragctrl = ctrlNum;\n\n      if (linkControlPts) {\n        this.segs[pt].setLinked(ctrlNum);\n      }\n    }\n  }\n\n  /**\n  * Update position of all points\n  * @returns {Path}\n  */\n  update () {\n    const {elem} = this;\n    if (getRotationAngle(elem)) {\n      this.matrix = getMatrix(elem);\n      this.imatrix = this.matrix.inverse();\n    } else {\n      this.matrix = null;\n      this.imatrix = null;\n    }\n\n    this.eachSeg(function (i) {\n      this.item = elem.pathSegList.getItem(i);\n      this.update();\n    });\n\n    return this;\n  }\n\n  /**\n  * @param {string} text\n  * @returns {undefined}\n  */\n  endChanges (text) {\n    if (isWebkit()) { editorContext_.resetD(this.elem); }\n    const cmd = new ChangeElementCommand(this.elem, {d: this.last_d}, text);\n    editorContext_.endChanges({cmd, elem: this.elem});\n  }\n\n  /**\n  * @param {Integer|Integer[]} indexes\n  * @returns {undefined}\n  */\n  addPtsToSelection (indexes) {\n    if (!Array.isArray(indexes)) { indexes = [indexes]; }\n    for (let i = 0; i < indexes.length; i++) {\n      const index = indexes[i];\n      const seg = this.segs[index];\n      if (seg.ptgrip) {\n        if (!this.selected_pts.includes(index) && index >= 0) {\n          this.selected_pts.push(index);\n        }\n      }\n    }\n    this.selected_pts.sort();\n    let i = this.selected_pts.length;\n    const grips = [];\n    grips.length = i;\n    // Loop through points to be selected and highlight each\n    while (i--) {\n      const pt = this.selected_pts[i];\n      const seg = this.segs[pt];\n      seg.select(true);\n      grips[i] = seg.ptgrip;\n    }\n\n    const closedSubpath = this.subpathIsClosed(this.selected_pts[0]);\n    editorContext_.addPtsToSelection({grips, closedSubpath});\n  }\n}\n\n/**\n* @function module:path.getPath_\n* @param {SVGPathElement} elem\n* @returns {module:path.Path}\n*/\nexport const getPath_ = function (elem) {\n  let p = pathData[elem.id];\n  if (!p) {\n    p = pathData[elem.id] = new Path(elem);\n  }\n  return p;\n};\n\n/**\n* @function module:path.removePath_\n* @param {string} id\n* @returns {undefined}\n*/\nexport const removePath_ = function (id) {\n  if (id in pathData) { delete pathData[id]; }\n};\n\nlet newcx, newcy, oldcx, oldcy, angle;\n\nconst getRotVals = function (x, y) {\n  let dx = x - oldcx;\n  let dy = y - oldcy;\n\n  // rotate the point around the old center\n  let r = Math.sqrt(dx * dx + dy * dy);\n  let theta = Math.atan2(dy, dx) + angle;\n  dx = r * Math.cos(theta) + oldcx;\n  dy = r * Math.sin(theta) + oldcy;\n\n  // dx,dy should now hold the actual coordinates of each\n  // point after being rotated\n\n  // now we want to rotate them around the new center in the reverse direction\n  dx -= newcx;\n  dy -= newcy;\n\n  r = Math.sqrt(dx * dx + dy * dy);\n  theta = Math.atan2(dy, dx) - angle;\n\n  return {x: r * Math.cos(theta) + newcx,\n    y: r * Math.sin(theta) + newcy};\n};\n\n// If the path was rotated, we must now pay the piper:\n// Every path point must be rotated into the rotated coordinate system of\n// its old center, then determine the new center, then rotate it back\n// This is because we want the path to remember its rotation\n\n/**\n* @function module:path.recalcRotatedPath\n* @todo This is still using ye olde transform methods, can probably\n* be optimized or even taken care of by `recalculateDimensions`\n* @returns {undefined}\n*/\nexport const recalcRotatedPath = function () {\n  const currentPath = path.elem;\n  angle = getRotationAngle(currentPath, true);\n  if (!angle) { return; }\n  // selectedBBoxes[0] = path.oldbbox;\n  const oldbox = path.oldbbox; // selectedBBoxes[0],\n  oldcx = oldbox.x + oldbox.width / 2;\n  oldcy = oldbox.y + oldbox.height / 2;\n  const box = getBBox(currentPath);\n  newcx = box.x + box.width / 2;\n  newcy = box.y + box.height / 2;\n\n  // un-rotate the new center to the proper position\n  const dx = newcx - oldcx,\n    dy = newcy - oldcy,\n    r = Math.sqrt(dx * dx + dy * dy),\n    theta = Math.atan2(dy, dx) + angle;\n\n  newcx = r * Math.cos(theta) + oldcx;\n  newcy = r * Math.sin(theta) + oldcy;\n\n  const list = currentPath.pathSegList;\n\n  let i = list.numberOfItems;\n  while (i) {\n    i -= 1;\n    const seg = list.getItem(i),\n      type = seg.pathSegType;\n    if (type === 1) { continue; }\n\n    const rvals = getRotVals(seg.x, seg.y),\n      points = [rvals.x, rvals.y];\n    if (seg.x1 != null && seg.x2 != null) {\n      const cVals1 = getRotVals(seg.x1, seg.y1);\n      const cVals2 = getRotVals(seg.x2, seg.y2);\n      points.splice(points.length, 0, cVals1.x, cVals1.y, cVals2.x, cVals2.y);\n    }\n    replacePathSeg(type, i, points);\n  } // loop for each point\n\n  /* box = */ getBBox(currentPath);\n  // selectedBBoxes[0].x = box.x; selectedBBoxes[0].y = box.y;\n  // selectedBBoxes[0].width = box.width; selectedBBoxes[0].height = box.height;\n\n  // now we must set the new transform to be rotated around the new center\n  const Rnc = editorContext_.getSVGRoot().createSVGTransform(),\n    tlist = getTransformList(currentPath);\n  Rnc.setRotate((angle * 180.0 / Math.PI), newcx, newcy);\n  tlist.replaceItem(Rnc, 0);\n};\n\n// ====================================\n// Public API starts here\n\n/**\n* @function module:path.clearData\n* @returns {undefined}\n*/\nexport const clearData = function () {\n  pathData = {};\n};\n\n// Making public for mocking\n/**\n* @function module:path.reorientGrads\n* @param {Element} elem\n* @param {SVGMatrix} m\n* @returns {undefined}\n*/\nexport const reorientGrads = function (elem, m) {\n  const bb = utilsGetBBox(elem);\n  for (let i = 0; i < 2; i++) {\n    const type = i === 0 ? 'fill' : 'stroke';\n    const attrVal = elem.getAttribute(type);\n    if (attrVal && attrVal.startsWith('url(')) {\n      const grad = getRefElem(attrVal);\n      if (grad.tagName === 'linearGradient') {\n        let x1 = grad.getAttribute('x1') || 0;\n        let y1 = grad.getAttribute('y1') || 0;\n        let x2 = grad.getAttribute('x2') || 1;\n        let y2 = grad.getAttribute('y2') || 0;\n\n        // Convert to USOU points\n        x1 = (bb.width * x1) + bb.x;\n        y1 = (bb.height * y1) + bb.y;\n        x2 = (bb.width * x2) + bb.x;\n        y2 = (bb.height * y2) + bb.y;\n\n        // Transform those points\n        const pt1 = transformPoint(x1, y1, m);\n        const pt2 = transformPoint(x2, y2, m);\n\n        // Convert back to BB points\n        const gCoords = {};\n\n        gCoords.x1 = (pt1.x - bb.x) / bb.width;\n        gCoords.y1 = (pt1.y - bb.y) / bb.height;\n        gCoords.x2 = (pt2.x - bb.x) / bb.width;\n        gCoords.y2 = (pt2.y - bb.y) / bb.height;\n\n        const newgrad = grad.cloneNode(true);\n        $(newgrad).attr(gCoords);\n\n        newgrad.id = editorContext_.getNextId();\n        findDefs().append(newgrad);\n        elem.setAttribute(type, 'url(#' + newgrad.id + ')');\n      }\n    }\n  }\n};\n\n/**\n* This is how we map paths to our preferred relative segment types\n* @name module:path.pathMap\n* @type {GenericArray}\n*/\nconst pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a',\n  'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];\n\n/**\n * Convert a path to one with only absolute or relative values\n * @todo move to pathActions.js\n * @function module:path.convertPath\n * @param {SVGPathElement} path - the path to convert\n * @param {boolean} toRel - true of convert to relative\n * @returns {string}\n */\nexport const convertPath = function (path, toRel) {\n  const segList = path.pathSegList;\n  const len = segList.numberOfItems;\n  let curx = 0, cury = 0;\n  let d = '';\n  let lastM = null;\n\n  for (let i = 0; i < len; ++i) {\n    const seg = segList.getItem(i);\n    // if these properties are not in the segment, set them to zero\n    let x = seg.x || 0,\n      y = seg.y || 0,\n      x1 = seg.x1 || 0,\n      y1 = seg.y1 || 0,\n      x2 = seg.x2 || 0,\n      y2 = seg.y2 || 0;\n\n    const type = seg.pathSegType;\n    let letter = pathMap[type]['to' + (toRel ? 'Lower' : 'Upper') + 'Case']();\n\n    switch (type) {\n    case 1: // z,Z closepath (Z/z)\n      d += 'z';\n      if (lastM && !toRel) {\n        curx = lastM[0];\n        cury = lastM[1];\n      }\n      break;\n    case 12: // absolute horizontal line (H)\n      x -= curx;\n      // Fallthrough\n    case 13: // relative horizontal line (h)\n      if (toRel) {\n        curx += x;\n        letter = 'l';\n      } else {\n        x += curx;\n        curx = x;\n        letter = 'L';\n      }\n      // Convert to \"line\" for easier editing\n      d += pathDSegment(letter, [[x, cury]]);\n      break;\n    case 14: // absolute vertical line (V)\n      y -= cury;\n      // Fallthrough\n    case 15: // relative vertical line (v)\n      if (toRel) {\n        cury += y;\n        letter = 'l';\n      } else {\n        y += cury;\n        cury = y;\n        letter = 'L';\n      }\n      // Convert to \"line\" for easier editing\n      d += pathDSegment(letter, [[curx, y]]);\n      break;\n    case 2: // absolute move (M)\n    case 4: // absolute line (L)\n    case 18: // absolute smooth quad (T)\n      x -= curx;\n      y -= cury;\n      // Fallthrough\n    case 5: // relative line (l)\n    case 3: // relative move (m)\n    case 19: // relative smooth quad (t)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx;\n        y += cury;\n        curx = x;\n        cury = y;\n      }\n      if (type === 2 || type === 3) { lastM = [curx, cury]; }\n\n      d += pathDSegment(letter, [[x, y]]);\n      break;\n    case 6: // absolute cubic (C)\n      x -= curx; x1 -= curx; x2 -= curx;\n      y -= cury; y1 -= cury; y2 -= cury;\n      // Fallthrough\n    case 7: // relative cubic (c)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx; x1 += curx; x2 += curx;\n        y += cury; y1 += cury; y2 += cury;\n        curx = x;\n        cury = y;\n      }\n      d += pathDSegment(letter, [[x1, y1], [x2, y2], [x, y]]);\n      break;\n    case 8: // absolute quad (Q)\n      x -= curx; x1 -= curx;\n      y -= cury; y1 -= cury;\n      // Fallthrough\n    case 9: // relative quad (q)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx; x1 += curx;\n        y += cury; y1 += cury;\n        curx = x;\n        cury = y;\n      }\n      d += pathDSegment(letter, [[x1, y1], [x, y]]);\n      break;\n    case 10: // absolute elliptical arc (A)\n      x -= curx;\n      y -= cury;\n      // Fallthrough\n    case 11: // relative elliptical arc (a)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx;\n        y += cury;\n        curx = x;\n        cury = y;\n      }\n      d += pathDSegment(letter, [[seg.r1, seg.r2]], [\n        seg.angle,\n        (seg.largeArcFlag ? 1 : 0),\n        (seg.sweepFlag ? 1 : 0)\n      ], [x, y]);\n      break;\n    case 16: // absolute smooth cubic (S)\n      x -= curx; x2 -= curx;\n      y -= cury; y2 -= cury;\n      // Fallthrough\n    case 17: // relative smooth cubic (s)\n      if (toRel) {\n        curx += x;\n        cury += y;\n      } else {\n        x += curx; x2 += curx;\n        y += cury; y2 += cury;\n        curx = x;\n        cury = y;\n      }\n      d += pathDSegment(letter, [[x2, y2], [x, y]]);\n      break;\n    } // switch on path segment type\n  } // for each segment\n  return d;\n};\n\n/**\n * TODO: refactor callers in convertPath to use getPathDFromSegments instead of this function.\n * Legacy code refactored from svgcanvas.pathActions.convertPath\n * @param {string} letter - path segment command (letter in potentially either case from {@link module:path.pathMap}; see [SVGPathSeg#pathSegTypeAsLetter]{@link https://www.w3.org/TR/SVG/single-page.html#paths-__svg__SVGPathSeg__pathSegTypeAsLetter})\n * @param {Integer[][]} points - x,y points\n * @param {Integer[][]} [morePoints] - x,y points\n * @param {Integer[]} [lastPoint] - x,y point\n * @returns {string}\n */\nfunction pathDSegment (letter, points, morePoints, lastPoint) {\n  $.each(points, function (i, pnt) {\n    points[i] = shortFloat(pnt);\n  });\n  let segment = letter + points.join(' ');\n  if (morePoints) {\n    segment += ' ' + morePoints.join(' ');\n  }\n  if (lastPoint) {\n    segment += ' ' + shortFloat(lastPoint);\n  }\n  return segment;\n}\n\n/**\n* Group: Path edit functions\n* Functions relating to editing path elements\n* @namespace {PlainObject} pathActions\n* @memberof module:path\n*/\nexport const pathActions = (function () {\n  let subpath = false;\n  let newPoint, firstCtrl;\n\n  let currentPath = null;\n  let hasMoved = false;\n  // No `editorContext_` yet but should be ok as is `null` by default\n  // editorContext_.setDrawnPath(null);\n\n  /**\n  * This function converts a polyline (created by the fh_path tool) into\n  * a path element and coverts every three line segments into a single bezier\n  * curve in an attempt to smooth out the free-hand\n  * @function smoothPolylineIntoPath\n  * @param {Element} element\n  * @returns {Element}\n  */\n  const smoothPolylineIntoPath = function (element) {\n    let i;\n    const {points} = element;\n    const N = points.numberOfItems;\n    if (N >= 4) {\n      // loop through every 3 points and convert to a cubic bezier curve segment\n      //\n      // NOTE: this is cheating, it means that every 3 points has the potential to\n      // be a corner instead of treating each point in an equal manner. In general,\n      // this technique does not look that good.\n      //\n      // I am open to better ideas!\n      //\n      // Reading:\n      // - http://www.efg2.com/Lab/Graphics/Jean-YvesQueinecBezierCurves.htm\n      // - https://www.codeproject.com/KB/graphics/BezierSpline.aspx?msg=2956963\n      // - https://www.ian-ko.com/ET_GeoWizards/UserGuide/smooth.htm\n      // - https://www.cs.mtu.edu/~shene/COURSES/cs3621/NOTES/spline/Bezier/bezier-der.html\n      let curpos = points.getItem(0), prevCtlPt = null;\n      let d = [];\n      d.push(['M', curpos.x, ',', curpos.y, ' C'].join(''));\n      for (i = 1; i <= (N - 4); i += 3) {\n        let ct1 = points.getItem(i);\n        const ct2 = points.getItem(i + 1);\n        const end = points.getItem(i + 2);\n\n        // if the previous segment had a control point, we want to smooth out\n        // the control points on both sides\n        if (prevCtlPt) {\n          const newpts = smoothControlPoints(prevCtlPt, ct1, curpos);\n          if (newpts && newpts.length === 2) {\n            const prevArr = d[d.length - 1].split(',');\n            prevArr[2] = newpts[0].x;\n            prevArr[3] = newpts[0].y;\n            d[d.length - 1] = prevArr.join(',');\n            ct1 = newpts[1];\n          }\n        }\n\n        d.push([ct1.x, ct1.y, ct2.x, ct2.y, end.x, end.y].join(','));\n\n        curpos = end;\n        prevCtlPt = ct2;\n      }\n      // handle remaining line segments\n      d.push('L');\n      while (i < N) {\n        const pt = points.getItem(i);\n        d.push([pt.x, pt.y].join(','));\n        i++;\n      }\n      d = d.join(' ');\n\n      // create new path element\n      element = editorContext_.addSVGElementFromJson({\n        element: 'path',\n        curStyles: true,\n        attr: {\n          id: editorContext_.getId(),\n          d,\n          fill: 'none'\n        }\n      });\n      // No need to call \"changed\", as this is already done under mouseUp\n    }\n    return element;\n  };\n\n  return (/** @lends module:path.pathActions */ {\n    /**\n    * @param {MouseEvent} evt\n    * @param {Element} mouseTarget\n    * @param {Float} startX\n    * @param {Float} startY\n    * @returns {undefined}\n    */\n    mouseDown (evt, mouseTarget, startX, startY) {\n      let id;\n      if (editorContext_.getCurrentMode() === 'path') {\n        let mouseX = startX; // Was this meant to work with the other `mouseX`? (was defined globally so adding `let` to at least avoid a global)\n        let mouseY = startY; // Was this meant to work with the other `mouseY`? (was defined globally so adding `let` to at least avoid a global)\n\n        const currentZoom = editorContext_.getCurrentZoom();\n        let x = mouseX / currentZoom,\n          y = mouseY / currentZoom,\n          stretchy = getElem('path_stretch_line');\n        newPoint = [x, y];\n\n        if (editorContext_.getGridSnapping()) {\n          x = snapToGrid(x);\n          y = snapToGrid(y);\n          mouseX = snapToGrid(mouseX);\n          mouseY = snapToGrid(mouseY);\n        }\n\n        if (!stretchy) {\n          stretchy = document.createElementNS(NS.SVG, 'path');\n          assignAttributes(stretchy, {\n            id: 'path_stretch_line',\n            stroke: '#22C',\n            'stroke-width': '0.5',\n            fill: 'none'\n          });\n          stretchy = getElem('selectorParentGroup').appendChild(stretchy);\n        }\n        stretchy.setAttribute('display', 'inline');\n\n        let keep = null;\n        let index;\n        // if pts array is empty, create path element with M at current point\n        const drawnPath = editorContext_.getDrawnPath();\n        if (!drawnPath) {\n          const dAttr = 'M' + x + ',' + y + ' '; // Was this meant to work with the other `dAttr`? (was defined globally so adding `var` to at least avoid a global)\n          /* drawnPath = */ editorContext_.setDrawnPath(editorContext_.addSVGElementFromJson({\n            element: 'path',\n            curStyles: true,\n            attr: {\n              d: dAttr,\n              id: editorContext_.getNextId(),\n              opacity: editorContext_.getOpacity() / 2\n            }\n          }));\n          // set stretchy line to first point\n          stretchy.setAttribute('d', ['M', mouseX, mouseY, mouseX, mouseY].join(' '));\n          index = subpath ? path.segs.length : 0;\n          addPointGrip(index, mouseX, mouseY);\n        } else {\n          // determine if we clicked on an existing point\n          const seglist = drawnPath.pathSegList;\n          let i = seglist.numberOfItems;\n          const FUZZ = 6 / currentZoom;\n          let clickOnPoint = false;\n          while (i) {\n            i--;\n            const item = seglist.getItem(i);\n            const px = item.x, py = item.y;\n            // found a matching point\n            if (x >= (px - FUZZ) && x <= (px + FUZZ) &&\n              y >= (py - FUZZ) && y <= (py + FUZZ)\n            ) {\n              clickOnPoint = true;\n              break;\n            }\n          }\n\n          // get path element that we are in the process of creating\n          id = editorContext_.getId();\n\n          // Remove previous path object if previously created\n          removePath_(id);\n\n          const newpath = getElem(id);\n          let newseg;\n          let sSeg;\n          const len = seglist.numberOfItems;\n          // if we clicked on an existing point, then we are done this path, commit it\n          // (i, i+1) are the x,y that were clicked on\n          if (clickOnPoint) {\n            // if clicked on any other point but the first OR\n            // the first point was clicked on and there are less than 3 points\n            // then leave the path open\n            // otherwise, close the path\n            if (i <= 1 && len >= 2) {\n              // Create end segment\n              const absX = seglist.getItem(0).x;\n              const absY = seglist.getItem(0).y;\n\n              sSeg = stretchy.pathSegList.getItem(1);\n              if (sSeg.pathSegType === 4) {\n                newseg = drawnPath.createSVGPathSegLinetoAbs(absX, absY);\n              } else {\n                newseg = drawnPath.createSVGPathSegCurvetoCubicAbs(\n                  absX,\n                  absY,\n                  sSeg.x1 / currentZoom,\n                  sSeg.y1 / currentZoom,\n                  absX,\n                  absY\n                );\n              }\n\n              const endseg = drawnPath.createSVGPathSegClosePath();\n              seglist.appendItem(newseg);\n              seglist.appendItem(endseg);\n            } else if (len < 3) {\n              keep = false;\n              return keep;\n            }\n            $(stretchy).remove();\n\n            // This will signal to commit the path\n            // const element = newpath; // Other event handlers define own `element`, so this was probably not meant to interact with them or one which shares state (as there were none); I therefore adding a missing `var` to avoid a global\n            /* drawnPath = */ editorContext_.setDrawnPath(null);\n            editorContext_.setStarted(false);\n\n            if (subpath) {\n              if (path.matrix) {\n                editorContext_.remapElement(newpath, {}, path.matrix.inverse());\n              }\n\n              const newD = newpath.getAttribute('d');\n              const origD = $(path.elem).attr('d');\n              $(path.elem).attr('d', origD + newD);\n              $(newpath).remove();\n              if (path.matrix) {\n                recalcRotatedPath();\n              }\n              init();\n              pathActions.toEditMode(path.elem);\n              path.selectPt();\n              return false;\n            }\n          // else, create a new point, update path element\n          } else {\n            // Checks if current target or parents are #svgcontent\n            if (!$.contains(\n              editorContext_.getContainer(),\n              editorContext_.getMouseTarget(evt)\n            )) {\n              // Clicked outside canvas, so don't make point\n              console.log('Clicked outside canvas');\n              return false;\n            }\n\n            const num = drawnPath.pathSegList.numberOfItems;\n            const last = drawnPath.pathSegList.getItem(num - 1);\n            const lastx = last.x, lasty = last.y;\n\n            if (evt.shiftKey) {\n              const xya = snapToAngle(lastx, lasty, x, y);\n              ({x, y} = xya);\n            }\n\n            // Use the segment defined by stretchy\n            sSeg = stretchy.pathSegList.getItem(1);\n            if (sSeg.pathSegType === 4) {\n              newseg = drawnPath.createSVGPathSegLinetoAbs(\n                editorContext_.round(x),\n                editorContext_.round(y)\n              );\n            } else {\n              newseg = drawnPath.createSVGPathSegCurvetoCubicAbs(\n                editorContext_.round(x),\n                editorContext_.round(y),\n                sSeg.x1 / currentZoom,\n                sSeg.y1 / currentZoom,\n                sSeg.x2 / currentZoom,\n                sSeg.y2 / currentZoom\n              );\n            }\n\n            drawnPath.pathSegList.appendItem(newseg);\n\n            x *= currentZoom;\n            y *= currentZoom;\n\n            // set stretchy line to latest point\n            stretchy.setAttribute('d', ['M', x, y, x, y].join(' '));\n            index = num;\n            if (subpath) { index += path.segs.length; }\n            addPointGrip(index, x, y);\n          }\n          // keep = true;\n        }\n\n        return;\n      }\n\n      // TODO: Make sure currentPath isn't null at this point\n      if (!path) { return; }\n\n      path.storeD();\n\n      ({id} = evt.target);\n      let curPt;\n      if (id.substr(0, 14) === 'pathpointgrip_') {\n        // Select this point\n        curPt = path.cur_pt = parseInt(id.substr(14), 10);\n        path.dragging = [startX, startY];\n        const seg = path.segs[curPt];\n\n        // only clear selection if shift is not pressed (otherwise, add\n        // node to selection)\n        if (!evt.shiftKey) {\n          if (path.selected_pts.length <= 1 || !seg.selected) {\n            path.clearSelection();\n          }\n          path.addPtsToSelection(curPt);\n        } else if (seg.selected) {\n          path.removePtFromSelection(curPt);\n        } else {\n          path.addPtsToSelection(curPt);\n        }\n      } else if (id.startsWith('ctrlpointgrip_')) {\n        path.dragging = [startX, startY];\n\n        const parts = id.split('_')[1].split('c');\n        curPt = Number(parts[0]);\n        const ctrlNum = Number(parts[1]);\n        path.selectPt(curPt, ctrlNum);\n      }\n\n      // Start selection box\n      if (!path.dragging) {\n        let rubberBox = editorContext_.getRubberBox();\n        if (rubberBox == null) {\n          rubberBox = editorContext_.setRubberBox(\n            editorContext_.selectorManager.getRubberBandBox()\n          );\n        }\n        const currentZoom = editorContext_.getCurrentZoom();\n        assignAttributes(rubberBox, {\n          x: startX * currentZoom,\n          y: startY * currentZoom,\n          width: 0,\n          height: 0,\n          display: 'inline'\n        }, 100);\n      }\n    },\n    /**\n    * @param {Float} mouseX\n    * @param {Float} mouseY\n    * @returns {undefined}\n    */\n    mouseMove (mouseX, mouseY) {\n      const currentZoom = editorContext_.getCurrentZoom();\n      hasMoved = true;\n      const drawnPath = editorContext_.getDrawnPath();\n      if (editorContext_.getCurrentMode() === 'path') {\n        if (!drawnPath) { return; }\n        const seglist = drawnPath.pathSegList;\n        const index = seglist.numberOfItems - 1;\n\n        if (newPoint) {\n          // First point\n          // if (!index) { return; }\n\n          // Set control points\n          const pointGrip1 = addCtrlGrip('1c1');\n          const pointGrip2 = addCtrlGrip('0c2');\n\n          // dragging pointGrip1\n          pointGrip1.setAttribute('cx', mouseX);\n          pointGrip1.setAttribute('cy', mouseY);\n          pointGrip1.setAttribute('display', 'inline');\n\n          const ptX = newPoint[0];\n          const ptY = newPoint[1];\n\n          // set curve\n          // const seg = seglist.getItem(index);\n          const curX = mouseX / currentZoom;\n          const curY = mouseY / currentZoom;\n          const altX = (ptX + (ptX - curX));\n          const altY = (ptY + (ptY - curY));\n\n          pointGrip2.setAttribute('cx', altX * currentZoom);\n          pointGrip2.setAttribute('cy', altY * currentZoom);\n          pointGrip2.setAttribute('display', 'inline');\n\n          const ctrlLine = getCtrlLine(1);\n          assignAttributes(ctrlLine, {\n            x1: mouseX,\n            y1: mouseY,\n            x2: altX * currentZoom,\n            y2: altY * currentZoom,\n            display: 'inline'\n          });\n\n          if (index === 0) {\n            firstCtrl = [mouseX, mouseY];\n          } else {\n            const last = seglist.getItem(index - 1);\n            let lastX = last.x;\n            let lastY = last.y;\n\n            if (last.pathSegType === 6) {\n              lastX += (lastX - last.x2);\n              lastY += (lastY - last.y2);\n            } else if (firstCtrl) {\n              lastX = firstCtrl[0] / currentZoom;\n              lastY = firstCtrl[1] / currentZoom;\n            }\n            replacePathSeg(6, index, [ptX, ptY, lastX, lastY, altX, altY], drawnPath);\n          }\n        } else {\n          const stretchy = getElem('path_stretch_line');\n          if (stretchy) {\n            const prev = seglist.getItem(index);\n            if (prev.pathSegType === 6) {\n              const prevX = prev.x + (prev.x - prev.x2);\n              const prevY = prev.y + (prev.y - prev.y2);\n              replacePathSeg(6, 1, [mouseX, mouseY, prevX * currentZoom, prevY * currentZoom, mouseX, mouseY], stretchy);\n            } else if (firstCtrl) {\n              replacePathSeg(6, 1, [mouseX, mouseY, firstCtrl[0], firstCtrl[1], mouseX, mouseY], stretchy);\n            } else {\n              replacePathSeg(4, 1, [mouseX, mouseY], stretchy);\n            }\n          }\n        }\n        return;\n      }\n      // if we are dragging a point, let's move it\n      if (path.dragging) {\n        const pt = getPointFromGrip({\n          x: path.dragging[0],\n          y: path.dragging[1]\n        }, path);\n        const mpt = getPointFromGrip({\n          x: mouseX,\n          y: mouseY\n        }, path);\n        const diffX = mpt.x - pt.x;\n        const diffY = mpt.y - pt.y;\n        path.dragging = [mouseX, mouseY];\n\n        if (path.dragctrl) {\n          path.moveCtrl(diffX, diffY);\n        } else {\n          path.movePts(diffX, diffY);\n        }\n      } else {\n        path.selected_pts = [];\n        path.eachSeg(function (i) {\n          const seg = this;\n          if (!seg.next && !seg.prev) { return; }\n\n          // const {item} = seg;\n          const rubberBox = editorContext_.getRubberBox();\n          const rbb = rubberBox.getBBox();\n\n          const pt = getGripPt(seg);\n          const ptBb = {\n            x: pt.x,\n            y: pt.y,\n            width: 0,\n            height: 0\n          };\n\n          const sel = rectsIntersect(rbb, ptBb);\n\n          this.select(sel);\n          // Note that addPtsToSelection is not being run\n          if (sel) { path.selected_pts.push(seg.index); }\n        });\n      }\n    },\n    /**\n    * @param {Event} evt\n    * @param {Element} element\n    * @param {Float} mouseX\n    * @param {Float} mouseY\n    * @returns {undefined}\n    */\n    mouseUp (evt, element, mouseX, mouseY) {\n      const drawnPath = editorContext_.getDrawnPath();\n      // Create mode\n      if (editorContext_.getCurrentMode() === 'path') {\n        newPoint = null;\n        if (!drawnPath) {\n          element = getElem(editorContext_.getId());\n          editorContext_.setStarted(false);\n          firstCtrl = null;\n        }\n\n        return {\n          keep: true,\n          element\n        };\n      }\n\n      // Edit mode\n      const rubberBox = editorContext_.getRubberBox();\n      if (path.dragging) {\n        const lastPt = path.cur_pt;\n\n        path.dragging = false;\n        path.dragctrl = false;\n        path.update();\n\n        if (hasMoved) {\n          path.endChanges('Move path point(s)');\n        }\n\n        if (!evt.shiftKey && !hasMoved) {\n          path.selectPt(lastPt);\n        }\n      } else if (rubberBox && rubberBox.getAttribute('display') !== 'none') {\n        // Done with multi-node-select\n        rubberBox.setAttribute('display', 'none');\n\n        if (rubberBox.getAttribute('width') <= 2 && rubberBox.getAttribute('height') <= 2) {\n          pathActions.toSelectMode(evt.target);\n        }\n\n      // else, move back to select mode\n      } else {\n        pathActions.toSelectMode(evt.target);\n      }\n      hasMoved = false;\n    },\n    /**\n    * @param {Element} element\n    * @returns {undefined}\n    */\n    toEditMode (element) {\n      path = getPath_(element);\n      editorContext_.setCurrentMode('pathedit');\n      editorContext_.clearSelection();\n      path.show(true).update();\n      path.oldbbox = utilsGetBBox(path.elem);\n      subpath = false;\n    },\n    /**\n    * @param {Element} element\n    * @fires module:svgcanvas.SvgCanvas#event:selected\n    * @returns {undefined}\n    */\n    toSelectMode (elem) {\n      const selPath = (elem === path.elem);\n      editorContext_.setCurrentMode('select');\n      path.show(false);\n      currentPath = false;\n      editorContext_.clearSelection();\n\n      if (path.matrix) {\n        // Rotated, so may need to re-calculate the center\n        recalcRotatedPath();\n      }\n\n      if (selPath) {\n        editorContext_.call('selected', [elem]);\n        editorContext_.addToSelection([elem], true);\n      }\n    },\n    /**\n    * @param {boolean} on\n    * @returns {undefined}\n    */\n    addSubPath (on) {\n      if (on) {\n        // Internally we go into \"path\" mode, but in the UI it will\n        // still appear as if in \"pathedit\" mode.\n        editorContext_.setCurrentMode('path');\n        subpath = true;\n      } else {\n        pathActions.clear(true);\n        pathActions.toEditMode(path.elem);\n      }\n    },\n    /**\n    * @param {Element} target\n    * @returns {undefined}\n    */\n    select (target) {\n      if (currentPath === target) {\n        pathActions.toEditMode(target);\n        editorContext_.setCurrentMode('pathedit');\n      // going into pathedit mode\n      } else {\n        currentPath = target;\n      }\n    },\n    /**\n    * @fires module:svgcanvas.SvgCanvas#event:changed\n    * @returns {undefined}\n    */\n    reorient () {\n      const elem = editorContext_.getSelectedElements()[0];\n      if (!elem) { return; }\n      const angle = getRotationAngle(elem);\n      if (angle === 0) { return; }\n\n      const batchCmd = new BatchCommand('Reorient path');\n      const changes = {\n        d: elem.getAttribute('d'),\n        transform: elem.getAttribute('transform')\n      };\n      batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));\n      editorContext_.clearSelection();\n      this.resetOrientation(elem);\n\n      editorContext_.addCommandToHistory(batchCmd);\n\n      // Set matrix to null\n      getPath_(elem).show(false).matrix = null;\n\n      this.clear();\n\n      editorContext_.addToSelection([elem], true);\n      editorContext_.call('changed', editorContext_.getSelectedElements());\n    },\n\n    /**\n    * @param {boolean} remove Not in use\n    * @returns {undefined}\n    */\n    clear (remove) {\n      const drawnPath = editorContext_.getDrawnPath();\n      currentPath = null;\n      if (drawnPath) {\n        const elem = getElem(editorContext_.getId());\n        $(getElem('path_stretch_line')).remove();\n        $(elem).remove();\n        $(getElem('pathpointgrip_container')).find('*').attr('display', 'none');\n        firstCtrl = null;\n        editorContext_.setDrawnPath(null);\n        editorContext_.setStarted(false);\n      } else if (editorContext_.getCurrentMode() === 'pathedit') {\n        this.toSelectMode();\n      }\n      if (path) { path.init().show(false); }\n    },\n    /**\n    * @param {?(Element|SVGPathElement)} pth\n    * @returns {false|undefined}\n    */\n    resetOrientation (pth) {\n      if (pth == null || pth.nodeName !== 'path') { return false; }\n      const tlist = getTransformList(pth);\n      const m = transformListToTransform(tlist).matrix;\n      tlist.clear();\n      pth.removeAttribute('transform');\n      const segList = pth.pathSegList;\n\n      // Opera/win/non-EN throws an error here.\n      // TODO: Find out why!\n      // Presumed fixed in Opera 10.5, so commented out for now\n\n      // try {\n      const len = segList.numberOfItems;\n      // } catch(err) {\n      //   const fixed_d = pathActions.convertPath(pth);\n      //   pth.setAttribute('d', fixed_d);\n      //   segList = pth.pathSegList;\n      //   const len = segList.numberOfItems;\n      // }\n      // let lastX, lastY;\n      for (let i = 0; i < len; ++i) {\n        const seg = segList.getItem(i);\n        const type = seg.pathSegType;\n        if (type === 1) { continue; }\n        const pts = [];\n        $.each(['', 1, 2], function (j, n) {\n          const x = seg['x' + n], y = seg['y' + n];\n          if (x !== undefined && y !== undefined) {\n            const pt = transformPoint(x, y, m);\n            pts.splice(pts.length, 0, pt.x, pt.y);\n          }\n        });\n        replacePathSeg(type, i, pts, pth);\n      }\n\n      reorientGrads(pth, m);\n    },\n    /**\n    * @returns {undefined}\n    */\n    zoomChange () {\n      if (editorContext_.getCurrentMode() === 'pathedit') {\n        path.update();\n      }\n    },\n    /**\n    * @typedef {PlainObject} module:path.NodePoint\n    * @property {Float} x\n    * @property {Float} y\n    * @property {Integer} type\n    */\n    /**\n    * @returns {module:path.NodePoint}\n    */\n    getNodePoint () {\n      const selPt = path.selected_pts.length ? path.selected_pts[0] : 1;\n\n      const seg = path.segs[selPt];\n      return {\n        x: seg.item.x,\n        y: seg.item.y,\n        type: seg.type\n      };\n    },\n    /**\n    * @param {boolean} linkPoints\n    * @returns {undefined}\n    */\n    linkControlPoints (linkPoints) {\n      setLinkControlPoints(linkPoints);\n    },\n    /**\n    * @returns {undefined}\n    */\n    clonePathNode () {\n      path.storeD();\n\n      const selPts = path.selected_pts;\n      // const {segs} = path;\n\n      let i = selPts.length;\n      const nums = [];\n\n      while (i--) {\n        const pt = selPts[i];\n        path.addSeg(pt);\n\n        nums.push(pt + i);\n        nums.push(pt + i + 1);\n      }\n      path.init().addPtsToSelection(nums);\n\n      path.endChanges('Clone path node(s)');\n    },\n    /**\n    * @returns {undefined}\n    */\n    opencloseSubPath () {\n      const selPts = path.selected_pts;\n      // Only allow one selected node for now\n      if (selPts.length !== 1) { return; }\n\n      const {elem} = path;\n      const list = elem.pathSegList;\n\n      // const len = list.numberOfItems;\n\n      const index = selPts[0];\n\n      let openPt = null;\n      let startItem = null;\n\n      // Check if subpath is already open\n      path.eachSeg(function (i) {\n        if (this.type === 2 && i <= index) {\n          startItem = this.item;\n        }\n        if (i <= index) { return true; }\n        if (this.type === 2) {\n          // Found M first, so open\n          openPt = i;\n          return false;\n        }\n        if (this.type === 1) {\n          // Found Z first, so closed\n          openPt = false;\n          return false;\n        }\n      });\n\n      if (openPt == null) {\n        // Single path, so close last seg\n        openPt = path.segs.length - 1;\n      }\n\n      if (openPt !== false) {\n        // Close this path\n\n        // Create a line going to the previous \"M\"\n        const newseg = elem.createSVGPathSegLinetoAbs(startItem.x, startItem.y);\n\n        const closer = elem.createSVGPathSegClosePath();\n        if (openPt === path.segs.length - 1) {\n          list.appendItem(newseg);\n          list.appendItem(closer);\n        } else {\n          insertItemBefore(elem, closer, openPt);\n          insertItemBefore(elem, newseg, openPt);\n        }\n\n        path.init().selectPt(openPt + 1);\n        return;\n      }\n\n      // M 1,1 L 2,2 L 3,3 L 1,1 z // open at 2,2\n      // M 2,2 L 3,3 L 1,1\n\n      // M 1,1 L 2,2 L 1,1 z M 4,4 L 5,5 L6,6 L 5,5 z\n      // M 1,1 L 2,2 L 1,1 z [M 4,4] L 5,5 L(M)6,6 L 5,5 z\n\n      const seg = path.segs[index];\n\n      if (seg.mate) {\n        list.removeItem(index); // Removes last \"L\"\n        list.removeItem(index); // Removes the \"Z\"\n        path.init().selectPt(index - 1);\n        return;\n      }\n\n      let lastM, zSeg;\n\n      // Find this sub-path's closing point and remove\n      for (let i = 0; i < list.numberOfItems; i++) {\n        const item = list.getItem(i);\n\n        if (item.pathSegType === 2) {\n          // Find the preceding M\n          lastM = i;\n        } else if (i === index) {\n          // Remove it\n          list.removeItem(lastM);\n          // index--;\n        } else if (item.pathSegType === 1 && index < i) {\n          // Remove the closing seg of this subpath\n          zSeg = i - 1;\n          list.removeItem(i);\n          break;\n        }\n      }\n\n      let num = (index - lastM) - 1;\n\n      while (num--) {\n        insertItemBefore(elem, list.getItem(lastM), zSeg);\n      }\n\n      const pt = list.getItem(lastM);\n\n      // Make this point the new \"M\"\n      replacePathSeg(2, lastM, [pt.x, pt.y]);\n\n      // i = index; // i is local here, so has no effect; what was the intent for this?\n\n      path.init().selectPt(0);\n    },\n    /**\n    * @returns {undefined}\n    */\n    deletePathNode () {\n      if (!pathActions.canDeleteNodes) { return; }\n      path.storeD();\n\n      const selPts = path.selected_pts;\n\n      let i = selPts.length;\n      while (i--) {\n        const pt = selPts[i];\n        path.deleteSeg(pt);\n      }\n\n      // Cleanup\n      const cleanup = function () {\n        const segList = path.elem.pathSegList;\n        let len = segList.numberOfItems;\n\n        const remItems = function (pos, count) {\n          while (count--) {\n            segList.removeItem(pos);\n          }\n        };\n\n        if (len <= 1) { return true; }\n\n        while (len--) {\n          const item = segList.getItem(len);\n          if (item.pathSegType === 1) {\n            const prev = segList.getItem(len - 1);\n            const nprev = segList.getItem(len - 2);\n            if (prev.pathSegType === 2) {\n              remItems(len - 1, 2);\n              cleanup();\n              break;\n            } else if (nprev.pathSegType === 2) {\n              remItems(len - 2, 3);\n              cleanup();\n              break;\n            }\n          } else if (item.pathSegType === 2) {\n            if (len > 0) {\n              const prevType = segList.getItem(len - 1).pathSegType;\n              // Path has M M\n              if (prevType === 2) {\n                remItems(len - 1, 1);\n                cleanup();\n                break;\n              // Entire path ends with Z M\n              } else if (prevType === 1 && segList.numberOfItems - 1 === len) {\n                remItems(len, 1);\n                cleanup();\n                break;\n              }\n            }\n          }\n        }\n        return false;\n      };\n\n      cleanup();\n\n      // Completely delete a path with 1 or 0 segments\n      if (path.elem.pathSegList.numberOfItems <= 1) {\n        pathActions.toSelectMode(path.elem);\n        editorContext_.canvas.deleteSelectedElements();\n        return;\n      }\n\n      path.init();\n      path.clearSelection();\n\n      // TODO: Find right way to select point now\n      // path.selectPt(selPt);\n      if (window.opera) { // Opera repaints incorrectly\n        const cp = $(path.elem);\n        cp.attr('d', cp.attr('d'));\n      }\n      path.endChanges('Delete path node(s)');\n    },\n    // Can't seem to use `@borrows` here, so using `@see`\n    /**\n    * Smooth polyline into path\n    * @function module:path.pathActions.smoothPolylineIntoPath\n    * @see module:path~smoothPolylineIntoPath\n    */\n    smoothPolylineIntoPath,\n    /**\n    * @returns {undefined}\n    */\n    setSegType (v) {\n      path.setSegType(v);\n    },\n    /**\n    * @param {string} attr\n    * @param {Float} newValue\n    * @returns {undefined}\n    */\n    moveNode (attr, newValue) {\n      const selPts = path.selected_pts;\n      if (!selPts.length) { return; }\n\n      path.storeD();\n\n      // Get first selected point\n      const seg = path.segs[selPts[0]];\n      const diff = {x: 0, y: 0};\n      diff[attr] = newValue - seg.item[attr];\n\n      seg.move(diff.x, diff.y);\n      path.endChanges('Move path point');\n    },\n    /**\n    * @param {Element} elem\n    * @returns {undefined}\n    */\n    fixEnd (elem) {\n      // Adds an extra segment if the last seg before a Z doesn't end\n      // at its M point\n      // M0,0 L0,100 L100,100 z\n      const segList = elem.pathSegList;\n      const len = segList.numberOfItems;\n      let lastM;\n      for (let i = 0; i < len; ++i) {\n        const item = segList.getItem(i);\n        if (item.pathSegType === 2) {\n          lastM = item;\n        }\n\n        if (item.pathSegType === 1) {\n          const prev = segList.getItem(i - 1);\n          if (prev.x !== lastM.x || prev.y !== lastM.y) {\n            // Add an L segment here\n            const newseg = elem.createSVGPathSegLinetoAbs(lastM.x, lastM.y);\n            insertItemBefore(elem, newseg, i);\n            // Can this be done better?\n            pathActions.fixEnd(elem);\n            break;\n          }\n        }\n      }\n      if (isWebkit()) { editorContext_.resetD(elem); }\n    },\n    // Can't seem to use `@borrows` here, so using `@see`\n    /**\n    * Convert a path to one with only absolute or relative values\n    * @function module:path.pathActions.convertPath\n    * @see module:path.convertPath\n    */\n    convertPath\n  });\n})();\n// end pathActions\n","/**\n * Mathematical utilities\n * @module math\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\n/**\n* @typedef {PlainObject} module:math.AngleCoord45\n* @property {Float} x - The angle-snapped x value\n* @property {Float} y - The angle-snapped y value\n* @property {Integer} a - The angle at which to snap\n*/\n\n/**\n* @typedef {PlainObject} module:math.XYObject\n* @property {Float} x\n* @property {Float} y\n*/\n\nimport {NS} from './namespaces.js';\nimport {getTransformList} from './svgtransformlist.js';\n\n// Constants\nconst NEAR_ZERO = 1e-14;\n\n// Throw away SVGSVGElement used for creating matrices/transforms.\nconst svg = document.createElementNS(NS.SVG, 'svg');\n\n/**\n * A (hopefully) quicker function to transform a point by a matrix\n * (this function avoids any DOM calls and just does the math)\n * @function module:math.transformPoint\n * @param {Float} x - Float representing the x coordinate\n * @param {Float} y - Float representing the y coordinate\n * @param {SVGMatrix} m - Matrix object to transform the point with\n * @returns {module:math.XYObject} An x, y object representing the transformed point\n*/\nexport const transformPoint = function (x, y, m) {\n  return {x: m.a * x + m.c * y + m.e, y: m.b * x + m.d * y + m.f};\n};\n\n/**\n * Helper function to check if the matrix performs no actual transform\n * (i.e. exists for identity purposes)\n * @function module:math.isIdentity\n * @param {SVGMatrix} m - The matrix object to check\n * @returns {boolean} Indicates whether or not the matrix is 1,0,0,1,0,0\n*/\nexport const isIdentity = function (m) {\n  return (m.a === 1 && m.b === 0 && m.c === 0 && m.d === 1 && m.e === 0 && m.f === 0);\n};\n\n/**\n * This function tries to return a `SVGMatrix` that is the multiplication `m1 * m2`.\n * We also round to zero when it's near zero\n * @function module:math.matrixMultiply\n * @param {...SVGMatrix} args - Matrix objects to multiply\n * @returns {SVGMatrix} The matrix object resulting from the calculation\n*/\nexport const matrixMultiply = function (...args) {\n  const m = args.reduceRight((prev, m1) => {\n    return m1.multiply(prev);\n  });\n\n  if (Math.abs(m.a) < NEAR_ZERO) { m.a = 0; }\n  if (Math.abs(m.b) < NEAR_ZERO) { m.b = 0; }\n  if (Math.abs(m.c) < NEAR_ZERO) { m.c = 0; }\n  if (Math.abs(m.d) < NEAR_ZERO) { m.d = 0; }\n  if (Math.abs(m.e) < NEAR_ZERO) { m.e = 0; }\n  if (Math.abs(m.f) < NEAR_ZERO) { m.f = 0; }\n\n  return m;\n};\n\n/**\n * See if the given transformlist includes a non-indentity matrix transform\n * @function module:math.hasMatrixTransform\n * @param {SVGTransformList} [tlist] - The transformlist to check\n * @returns {boolean} Whether or not a matrix transform was found\n*/\nexport const hasMatrixTransform = function (tlist) {\n  if (!tlist) { return false; }\n  let num = tlist.numberOfItems;\n  while (num--) {\n    const xform = tlist.getItem(num);\n    if (xform.type === 1 && !isIdentity(xform.matrix)) { return true; }\n  }\n  return false;\n};\n\n/**\n* @typedef {PlainObject} module:math.TransformedBox An object with the following values\n* @property {module:math.XYObject} tl - The top left coordinate\n* @property {module:math.XYObject} tr - The top right coordinate\n* @property {module:math.XYObject} bl - The bottom left coordinate\n* @property {module:math.XYObject} br - The bottom right coordinate\n* @property {PlainObject} aabox - Object with the following values:\n* @property {Float} aabox.x - Float with the axis-aligned x coordinate\n* @property {Float} aabox.y - Float with the axis-aligned y coordinate\n* @property {Float} aabox.width - Float with the axis-aligned width coordinate\n* @property {Float} aabox.height - Float with the axis-aligned height coordinate\n*/\n\n/**\n * Transforms a rectangle based on the given matrix\n * @function module:math.transformBox\n * @param {Float} l - Float with the box's left coordinate\n * @param {Float} t - Float with the box's top coordinate\n * @param {Float} w - Float with the box width\n * @param {Float} h - Float with the box height\n * @param {SVGMatrix} m - Matrix object to transform the box by\n * @returns {module:math.TransformedBox}\n*/\nexport const transformBox = function (l, t, w, h, m) {\n  const tl = transformPoint(l, t, m),\n    tr = transformPoint((l + w), t, m),\n    bl = transformPoint(l, (t + h), m),\n    br = transformPoint((l + w), (t + h), m),\n\n    minx = Math.min(tl.x, tr.x, bl.x, br.x),\n    maxx = Math.max(tl.x, tr.x, bl.x, br.x),\n    miny = Math.min(tl.y, tr.y, bl.y, br.y),\n    maxy = Math.max(tl.y, tr.y, bl.y, br.y);\n\n  return {\n    tl,\n    tr,\n    bl,\n    br,\n    aabox: {\n      x: minx,\n      y: miny,\n      width: (maxx - minx),\n      height: (maxy - miny)\n    }\n  };\n};\n\n/**\n * This returns a single matrix Transform for a given Transform List\n * (this is the equivalent of `SVGTransformList.consolidate()` but unlike\n * that method, this one does not modify the actual `SVGTransformList`).\n * This function is very liberal with its `min`, `max` arguments\n * @function module:math.transformListToTransform\n * @param {SVGTransformList} tlist - The transformlist object\n * @param {Integer} [min=0] - Optional integer indicating start transform position\n * @param {Integer} [max] - Optional integer indicating end transform position;\n *   defaults to one less than the tlist's `numberOfItems`\n * @returns {SVGTransform} A single matrix transform object\n*/\nexport const transformListToTransform = function (tlist, min, max) {\n  if (tlist == null) {\n    // Or should tlist = null have been prevented before this?\n    return svg.createSVGTransformFromMatrix(svg.createSVGMatrix());\n  }\n  min = min || 0;\n  max = max || (tlist.numberOfItems - 1);\n  min = parseInt(min, 10);\n  max = parseInt(max, 10);\n  if (min > max) { const temp = max; max = min; min = temp; }\n  let m = svg.createSVGMatrix();\n  for (let i = min; i <= max; ++i) {\n    // if our indices are out of range, just use a harmless identity matrix\n    const mtom = (i >= 0 && i < tlist.numberOfItems\n      ? tlist.getItem(i).matrix\n      : svg.createSVGMatrix());\n    m = matrixMultiply(m, mtom);\n  }\n  return svg.createSVGTransformFromMatrix(m);\n};\n\n/**\n * Get the matrix object for a given element\n * @function module:math.getMatrix\n * @param {Element} elem - The DOM element to check\n * @returns {SVGMatrix} The matrix object associated with the element's transformlist\n*/\nexport const getMatrix = function (elem) {\n  const tlist = getTransformList(elem);\n  return transformListToTransform(tlist).matrix;\n};\n\n/**\n * Returns a 45 degree angle coordinate associated with the two given\n * coordinates\n * @function module:math.snapToAngle\n * @param {Integer} x1 - First coordinate's x value\n * @param {Integer} x2 - Second coordinate's x value\n * @param {Integer} y1 - First coordinate's y value\n * @param {Integer} y2 - Second coordinate's y value\n * @returns {module:math.AngleCoord45}\n*/\nexport const snapToAngle = function (x1, y1, x2, y2) {\n  const snap = Math.PI / 4; // 45 degrees\n  const dx = x2 - x1;\n  const dy = y2 - y1;\n  const angle = Math.atan2(dy, dx);\n  const dist = Math.sqrt(dx * dx + dy * dy);\n  const snapangle = Math.round(angle / snap) * snap;\n\n  return {\n    x: x1 + dist * Math.cos(snapangle),\n    y: y1 + dist * Math.sin(snapangle),\n    a: snapangle\n  };\n};\n\n/**\n * Check if two rectangles (BBoxes objects) intersect each other\n * @function module:math.rectsIntersect\n * @param {SVGRect} r1 - The first BBox-like object\n * @param {SVGRect} r2 - The second BBox-like object\n * @returns {boolean} True if rectangles intersect\n */\nexport const rectsIntersect = function (r1, r2) {\n  return r2.x < (r1.x + r1.width) &&\n    (r2.x + r2.width) > r1.x &&\n    r2.y < (r1.y + r1.height) &&\n    (r2.y + r2.height) > r1.y;\n};\n","/* globals jQuery */\n/**\n * Miscellaneous utilities\n * @module utilities\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport './svgpathseg.js';\nimport jqPluginSVG from './jQuery.attr.js'; // Needed for SVG attribute setting and array form with `attr`\nimport {NS} from './namespaces.js';\nimport {getTransformList} from './svgtransformlist.js';\nimport {setUnitAttr, getTypeMap} from './units.js';\nimport {convertPath} from './path.js';\nimport {\n  hasMatrixTransform, transformListToTransform, transformBox\n} from './math.js';\nimport {\n  isWebkit, supportsHVLineContainerBBox, supportsPathBBox, supportsXpath,\n  supportsSelectors\n} from './browser.js';\n\n// Constants\nconst $ = jqPluginSVG(jQuery);\n\n// String used to encode base64.\nconst KEYSTR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n\n// Much faster than running getBBox() every time\nconst visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use';\nconst visElemsArr = visElems.split(',');\n// const hidElems = 'clipPath,defs,desc,feGaussianBlur,filter,linearGradient,marker,mask,metadata,pattern,radialGradient,stop,switch,symbol,title,textPath';\n\nlet editorContext_ = null;\nlet domdoc_ = null;\nlet domcontainer_ = null;\nlet svgroot_ = null;\n\n/**\n* Object with the following keys/values\n* @typedef {PlainObject} module:utilities.SVGElementJSON\n* @property {string} element - Tag name of the SVG element to create\n* @property {PlainObject.<string, string>} attr - Has key-value attributes to assign to the new element\n* @property {boolean} [curStyles=false] - Indicates whether current style attributes should be applied first\n* @property {module:utilities.SVGElementJSON[]} [children] - Data objects to be added recursively as children\n* @property {string} [namespace=\"http://www.w3.org/2000/svg\"] - Indicate a (non-SVG) namespace\n*/\n\n/**\n * An object that creates SVG elements for the canvas.\n *\n * @interface module:utilities.EditorContext\n * @property {module:path.pathActions} pathActions\n */\n/**\n * @function module:utilities.EditorContext#getSVGContent\n * @returns {SVGSVGElement}\n */\n/**\n * Create a new SVG element based on the given object keys/values and add it\n * to the current layer.\n * The element will be run through `cleanupElement` before being returned\n * @function module:utilities.EditorContext#addSVGElementFromJson\n * @param {module:utilities.SVGElementJSON} data\n * @returns {Element} The new element\n*/\n/**\n * @function module:utilities.EditorContext#getSelectedElements\n * @returns {Element[]} the array with selected DOM elements\n*/\n/**\n * @function module:utilities.EditorContext#getDOMDocument\n * @returns {HTMLDocument}\n*/\n/**\n * @function module:utilities.EditorContext#getDOMContainer\n * @returns {HTMLElement}\n*/\n/**\n * @function module:utilities.EditorContext#getSVGRoot\n * @returns {SVGSVGElement}\n*/\n/**\n * @function module:utilities.EditorContext#getBaseUnit\n * @returns {string}\n*/\n/**\n * @function module:utilities.EditorContext#getSnappingStep\n * @returns {Float|string}\n*/\n\n/**\n* @function module:utilities.init\n* @param {module:utilities.EditorContext} editorContext\n* @returns {undefined}\n*/\nexport const init = function (editorContext) {\n  editorContext_ = editorContext;\n  domdoc_ = editorContext.getDOMDocument();\n  domcontainer_ = editorContext.getDOMContainer();\n  svgroot_ = editorContext.getSVGRoot();\n};\n\n/**\n * Used to prevent the [Billion laughs attack]{@link https://en.wikipedia.org/wiki/Billion_laughs_attack}\n * @function module:utilities.dropXMLInteralSubset\n * @param {string} str String to be processed\n * @returns {string} The string with entity declarations in the internal subset removed\n * @todo This might be needed in other places `parseFromString` is used even without LGTM flagging\n */\nexport const dropXMLInteralSubset = (str) => {\n  return str.replace(/(<!DOCTYPE\\s+\\w*\\s*\\[).*(\\?\\]>)/, '$1$2');\n};\n\n/**\n* Converts characters in a string to XML-friendly entities.\n* @function module:utilities.toXml\n* @example `&` becomes `&amp;`\n* @param {string} str - The string to be converted\n* @returns {string} The converted string\n*/\nexport const toXml = function (str) {\n  // &apos; is ok in XML, but not HTML\n  // &gt; does not normally need escaping, though it can if within a CDATA expression (and preceded by \"]]\")\n  return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/\"/g, '&quot;').replace(/'/g, '&#x27;'); // Note: `&apos;` is XML only\n};\n\n/**\n* Converts XML entities in a string to single characters.\n* @function module:utilities.fromXml\n* @example `&amp;` becomes `&`\n* @param {string} str - The string to be converted\n* @returns {string} The converted string\n*/\nexport const fromXml = function (str) {\n  return $('<p/>').html(str).text();\n};\n\n// This code was written by Tyler Akins and has been placed in the\n// public domain.  It would be nice if you left this header intact.\n// Base64 code from Tyler Akins -- http://rumkin.com\n\n// schiller: Removed string concatenation in favour of Array.join() optimization,\n//        also precalculate the size of the array needed.\n\n/**\n* Converts a string to base64\n* @function module:utilities.encode64\n* @param {string} input\n* @returns {string} Base64 output\n*/\nexport const encode64 = function (input) {\n  // base64 strings are 4/3 larger than the original string\n  input = encodeUTF8(input); // convert non-ASCII characters\n  // input = convertToXMLReferences(input);\n  if (window.btoa) {\n    return window.btoa(input); // Use native if available\n  }\n  const output = [];\n  output.length = Math.floor((input.length + 2) / 3) * 4;\n\n  let i = 0, p = 0;\n  do {\n    const chr1 = input.charCodeAt(i++);\n    const chr2 = input.charCodeAt(i++);\n    const chr3 = input.charCodeAt(i++);\n\n    const enc1 = chr1 >> 2;\n    const enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);\n\n    let enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);\n    let enc4 = chr3 & 63;\n\n    if (isNaN(chr2)) {\n      enc3 = enc4 = 64;\n    } else if (isNaN(chr3)) {\n      enc4 = 64;\n    }\n\n    output[p++] = KEYSTR.charAt(enc1);\n    output[p++] = KEYSTR.charAt(enc2);\n    output[p++] = KEYSTR.charAt(enc3);\n    output[p++] = KEYSTR.charAt(enc4);\n  } while (i < input.length);\n\n  return output.join('');\n};\n\n/**\n* Converts a string from base64\n* @function module:utilities.decode64\n* @param {string} input Base64-encoded input\n* @returns {string} Decoded output\n*/\nexport const decode64 = function (input) {\n  if (window.atob) {\n    return decodeUTF8(window.atob(input));\n  }\n\n  // remove all characters that are not A-Z, a-z, 0-9, +, /, or =\n  input = input.replace(/[^A-Za-z0-9+/=]/g, '');\n\n  let output = '';\n  let i = 0;\n\n  do {\n    const enc1 = KEYSTR.indexOf(input.charAt(i++));\n    const enc2 = KEYSTR.indexOf(input.charAt(i++));\n    const enc3 = KEYSTR.indexOf(input.charAt(i++));\n    const enc4 = KEYSTR.indexOf(input.charAt(i++));\n\n    const chr1 = (enc1 << 2) | (enc2 >> 4);\n    const chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);\n    const chr3 = ((enc3 & 3) << 6) | enc4;\n\n    output += String.fromCharCode(chr1);\n\n    if (enc3 !== 64) {\n      output = output + String.fromCharCode(chr2);\n    }\n    if (enc4 !== 64) {\n      output = output + String.fromCharCode(chr3);\n    }\n  } while (i < input.length);\n  return decodeUTF8(output);\n};\n\n/**\n* @function module:utilities.decodeUTF8\n* @param {string} argString\n* @returns {string}\n*/\nexport const decodeUTF8 = function (argString) {\n  return decodeURIComponent(escape(argString));\n};\n\n// codedread:does not seem to work with webkit-based browsers on OSX // Brettz9: please test again as function upgraded\n/**\n* @function module:utilities.encodeUTF8\n* @param {string} argString\n* @returns {string}\n*/\nexport const encodeUTF8 = function (argString) {\n  return unescape(encodeURIComponent(argString));\n};\n\n/**\n * convert dataURL to object URL\n * @function module:utilities.dataURLToObjectURL\n * @param {string} dataurl\n * @returns {string} object URL or empty string\n */\nexport const dataURLToObjectURL = function (dataurl) {\n  if (typeof Uint8Array === 'undefined' || typeof Blob === 'undefined' || typeof URL === 'undefined' || !URL.createObjectURL) {\n    return '';\n  }\n  const arr = dataurl.split(','), mime = arr[0].match(/:(.*?);/)[1],\n    bstr = atob(arr[1]);\n  let n = bstr.length;\n  const u8arr = new Uint8Array(n);\n  while (n--) {\n    u8arr[n] = bstr.charCodeAt(n);\n  }\n  const blob = new Blob([u8arr], {type: mime});\n  return URL.createObjectURL(blob);\n};\n\n/**\n * get object URL for a blob object\n * @function module:utilities.createObjectURL\n * @param {Blob} blob A Blob object or File object\n * @returns {string} object URL or empty string\n */\nexport const createObjectURL = function (blob) {\n  if (!blob || typeof URL === 'undefined' || !URL.createObjectURL) {\n    return '';\n  }\n  return URL.createObjectURL(blob);\n};\n\n/**\n * @property {string} blankPageObjectURL\n */\nexport const blankPageObjectURL = (function () {\n  if (typeof Blob === 'undefined') {\n    return '';\n  }\n  const blob = new Blob(['<html><head><title>SVG-edit</title></head><body>&nbsp;</body></html>'], {type: 'text/html'});\n  return createObjectURL(blob);\n})();\n\n/**\n* Converts a string to use XML references (for non-ASCII)\n* @function module:utilities.convertToXMLReferences\n* @param {string} input\n* @returns {string} Decimal numeric character references\n*/\nexport const convertToXMLReferences = function (input) {\n  let output = '';\n  [...input].forEach((ch) => {\n    const c = ch.charCodeAt();\n    if (c <= 127) {\n      output += ch;\n    } else {\n      output += `&#${c};`;\n    }\n  });\n  return output;\n};\n\n/**\n* Cross-browser compatible method of converting a string to an XML tree\n* found this function [here]{@link http://groups.google.com/group/jquery-dev/browse_thread/thread/c6d11387c580a77f}\n* @function module:utilities.text2xml\n* @param {string} sXML\n* @throws {Error}\n* @returns {XMLDocument}\n*/\nexport const text2xml = function (sXML) {\n  if (sXML.includes('<svg:svg')) {\n    sXML = sXML.replace(/<(\\/?)svg:/g, '<$1').replace('xmlns:svg', 'xmlns');\n  }\n\n  let out, dXML;\n  try {\n    dXML = (window.DOMParser) ? new DOMParser() : new window.ActiveXObject('Microsoft.XMLDOM');\n    dXML.async = false;\n  } catch (e) {\n    throw new Error('XML Parser could not be instantiated');\n  }\n  try {\n    if (dXML.loadXML) {\n      out = (dXML.loadXML(sXML)) ? dXML : false;\n    } else {\n      out = dXML.parseFromString(sXML, 'text/xml');\n    }\n  } catch (e2) { throw new Error('Error parsing XML string'); }\n  return out;\n};\n\n/**\n* @typedef {PlainObject} module:utilities.BBoxObject (like `DOMRect`)\n* @property {Float} x\n* @property {Float} y\n* @property {Float} width\n* @property {Float} height\n*/\n\n/**\n* Converts a `SVGRect` into an object.\n* @function module:utilities.bboxToObj\n* @param {SVGRect} bbox - a SVGRect\n* @returns {module:utilities.BBoxObject} An object with properties names x, y, width, height.\n*/\nexport const bboxToObj = function ({x, y, width, height}) {\n  return {x, y, width, height};\n};\n\n/**\n* @callback module:utilities.TreeWalker\n* @param {Element} elem - DOM element being traversed\n* @returns {undefined}\n*/\n\n/**\n* Walks the tree and executes the callback on each element in a top-down fashion\n* @function module:utilities.walkTree\n* @param {Element} elem - DOM element to traverse\n* @param {module:utilities.TreeWalker} cbFn - Callback function to run on each element\n* @returns {undefined}\n*/\nexport const walkTree = function (elem, cbFn) {\n  if (elem && elem.nodeType === 1) {\n    cbFn(elem);\n    let i = elem.childNodes.length;\n    while (i--) {\n      walkTree(elem.childNodes.item(i), cbFn);\n    }\n  }\n};\n\n/**\n* Walks the tree and executes the callback on each element in a depth-first fashion\n* @function module:utilities.walkTreePost\n* @todo FIXME: Shouldn't this be calling walkTreePost?\n* @param {Element} elem - DOM element to traverse\n* @param {module:utilities.TreeWalker} cbFn - Callback function to run on each element\n* @returns {undefined}\n*/\nexport const walkTreePost = function (elem, cbFn) {\n  if (elem && elem.nodeType === 1) {\n    let i = elem.childNodes.length;\n    while (i--) {\n      walkTree(elem.childNodes.item(i), cbFn);\n    }\n    cbFn(elem);\n  }\n};\n\n/**\n* Extracts the URL from the `url(...)` syntax of some attributes.\n* Three variants:\n*  - `<circle fill=\"url(someFile.svg#foo)\" />`\n*  - `<circle fill=\"url('someFile.svg#foo')\" />`\n*  - `<circle fill='url(\"someFile.svg#foo\")' />`\n* @function module:utilities.getUrlFromAttr\n* @param {string} attrVal The attribute value as a string\n* @returns {string} String with just the URL, like \"someFile.svg#foo\"\n*/\nexport const getUrlFromAttr = function (attrVal) {\n  if (attrVal) {\n    // url('#somegrad')\n    if (attrVal.startsWith('url(\"')) {\n      return attrVal.substring(5, attrVal.indexOf('\"', 6));\n    }\n    // url('#somegrad')\n    if (attrVal.startsWith(\"url('\")) {\n      return attrVal.substring(5, attrVal.indexOf(\"'\", 6));\n    }\n    if (attrVal.startsWith('url(')) {\n      return attrVal.substring(4, attrVal.indexOf(')'));\n    }\n  }\n  return null;\n};\n\n/**\n* @function module:utilities.getHref\n* @param {Element} elem\n* @returns {string} The given element's `xlink:href` value\n*/\nexport let getHref = function (elem) {\n  return elem.getAttributeNS(NS.XLINK, 'href');\n};\n\n/**\n* Sets the given element's `xlink:href` value\n* @function module:utilities.setHref\n* @param {Element} elem\n* @param {string} val\n* @returns {undefined}\n*/\nexport let setHref = function (elem, val) {\n  elem.setAttributeNS(NS.XLINK, 'xlink:href', val);\n};\n\n/**\n* @function module:utilities.findDefs\n* @returns {SVGDefsElement} The document's `<defs>` element, creating it first if necessary\n*/\nexport const findDefs = function () {\n  const svgElement = editorContext_.getSVGContent();\n  let defs = svgElement.getElementsByTagNameNS(NS.SVG, 'defs');\n  if (defs.length > 0) {\n    defs = defs[0];\n  } else {\n    defs = svgElement.ownerDocument.createElementNS(NS.SVG, 'defs');\n    if (svgElement.firstChild) {\n      // first child is a comment, so call nextSibling\n      svgElement.insertBefore(defs, svgElement.firstChild.nextSibling);\n      // svgElement.firstChild.nextSibling.before(defs); // Not safe\n    } else {\n      svgElement.append(defs);\n    }\n  }\n  return defs;\n};\n\n// TODO(codedread): Consider moving the next to functions to bbox.js\n\n/**\n* Get correct BBox for a path in Webkit.\n* Converted from code found [here]{@link http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html}\n* @function module:utilities.getPathBBox\n* @param {SVGPathElement} path - The path DOM element to get the BBox for\n* @returns {module:utilities.BBoxObject} A BBox-like object\n*/\nexport const getPathBBox = function (path) {\n  const seglist = path.pathSegList;\n  const tot = seglist.numberOfItems;\n\n  const bounds = [[], []];\n  const start = seglist.getItem(0);\n  let P0 = [start.x, start.y];\n\n  for (let i = 0; i < tot; i++) {\n    const seg = seglist.getItem(i);\n\n    if (seg.x === undefined) { continue; }\n\n    // Add actual points to limits\n    bounds[0].push(P0[0]);\n    bounds[1].push(P0[1]);\n\n    if (seg.x1) {\n      const P1 = [seg.x1, seg.y1],\n        P2 = [seg.x2, seg.y2],\n        P3 = [seg.x, seg.y];\n\n      for (let j = 0; j < 2; j++) {\n        const calc = function (t) {\n          return Math.pow(1 - t, 3) * P0[j] +\n            3 * Math.pow(1 - t, 2) * t * P1[j] +\n            3 * (1 - t) * Math.pow(t, 2) * P2[j] +\n            Math.pow(t, 3) * P3[j];\n        };\n\n        const b = 6 * P0[j] - 12 * P1[j] + 6 * P2[j];\n        const a = -3 * P0[j] + 9 * P1[j] - 9 * P2[j] + 3 * P3[j];\n        const c = 3 * P1[j] - 3 * P0[j];\n\n        if (a === 0) {\n          if (b === 0) {\n            continue;\n          }\n          const t = -c / b;\n          if (t > 0 && t < 1) {\n            bounds[j].push(calc(t));\n          }\n          continue;\n        }\n        const b2ac = Math.pow(b, 2) - 4 * c * a;\n        if (b2ac < 0) { continue; }\n        const t1 = (-b + Math.sqrt(b2ac)) / (2 * a);\n        if (t1 > 0 && t1 < 1) { bounds[j].push(calc(t1)); }\n        const t2 = (-b - Math.sqrt(b2ac)) / (2 * a);\n        if (t2 > 0 && t2 < 1) { bounds[j].push(calc(t2)); }\n      }\n      P0 = P3;\n    } else {\n      bounds[0].push(seg.x);\n      bounds[1].push(seg.y);\n    }\n  }\n\n  const x = Math.min.apply(null, bounds[0]);\n  const w = Math.max.apply(null, bounds[0]) - x;\n  const y = Math.min.apply(null, bounds[1]);\n  const h = Math.max.apply(null, bounds[1]) - y;\n  return {\n    x,\n    y,\n    width: w,\n    height: h\n  };\n};\n\n/**\n* Get the given/selected element's bounding box object, checking for\n* horizontal/vertical lines (see issue 717)\n* Note that performance is currently terrible, so some way to improve would\n* be great.\n* @param {Element} selected - Container or `<use>` DOM element\n* @returns {DOMRect} Bounding box object\n*/\nfunction groupBBFix (selected) {\n  if (supportsHVLineContainerBBox()) {\n    try { return selected.getBBox(); } catch (e) {}\n  }\n  const ref = $.data(selected, 'ref');\n  let matched = null;\n  let ret, copy;\n\n  if (ref) {\n    copy = $(ref).children().clone().attr('visibility', 'hidden');\n    $(svgroot_).append(copy);\n    matched = copy.filter('line, path');\n  } else {\n    matched = $(selected).find('line, path');\n  }\n\n  let issue = false;\n  if (matched.length) {\n    matched.each(function () {\n      const bb = this.getBBox();\n      if (!bb.width || !bb.height) {\n        issue = true;\n      }\n    });\n    if (issue) {\n      const elems = ref ? copy : $(selected).children();\n      ret = getStrokedBBox(elems);\n    } else {\n      ret = selected.getBBox();\n    }\n  } else {\n    ret = selected.getBBox();\n  }\n  if (ref) {\n    copy.remove();\n  }\n  return ret;\n}\n\n/**\n* Get the given/selected element's bounding box object, convert it to be more\n* usable when necessary\n* @function module:utilities.getBBox\n* @param {Element} elem - Optional DOM element to get the BBox for\n* @returns {module:utilities.BBoxObject} Bounding box object\n*/\nexport const getBBox = function (elem) {\n  const selected = elem || editorContext_.geSelectedElements()[0];\n  if (elem.nodeType !== 1) { return null; }\n  const elname = selected.nodeName;\n\n  let ret = null;\n  switch (elname) {\n  case 'text':\n    if (selected.textContent === '') {\n      selected.textContent = 'a'; // Some character needed for the selector to use.\n      ret = selected.getBBox();\n      selected.textContent = '';\n    } else {\n      if (selected.getBBox) { ret = selected.getBBox(); }\n    }\n    break;\n  case 'path':\n    if (!supportsPathBBox()) {\n      ret = getPathBBox(selected);\n    } else {\n      if (selected.getBBox) { ret = selected.getBBox(); }\n    }\n    break;\n  case 'g':\n  case 'a':\n    ret = groupBBFix(selected);\n    break;\n  default:\n\n    if (elname === 'use') {\n      ret = groupBBFix(selected); // , true);\n    }\n    if (elname === 'use' || (elname === 'foreignObject' && isWebkit())) {\n      if (!ret) { ret = selected.getBBox(); }\n      // This is resolved in later versions of webkit, perhaps we should\n      // have a featured detection for correct 'use' behavior?\n      // ——————————\n      if (!isWebkit()) {\n        const bb = {};\n        bb.width = ret.width;\n        bb.height = ret.height;\n        bb.x = ret.x + parseFloat(selected.getAttribute('x') || 0);\n        bb.y = ret.y + parseFloat(selected.getAttribute('y') || 0);\n        ret = bb;\n      }\n    } else if (visElemsArr.includes(elname)) {\n      if (selected) {\n        try {\n          ret = selected.getBBox();\n        } catch (err) {\n          // tspan (and textPath apparently) have no `getBBox` in Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=937268\n          // Re: Chrome returning bbox for containing text element, see: https://bugs.chromium.org/p/chromium/issues/detail?id=349835\n          const extent = selected.getExtentOfChar(0); // pos+dimensions of the first glyph\n          const width = selected.getComputedTextLength(); // width of the tspan\n          ret = {\n            x: extent.x,\n            y: extent.y,\n            width,\n            height: extent.height\n          };\n        }\n      } else {\n        // Check if element is child of a foreignObject\n        const fo = $(selected).closest('foreignObject');\n        if (fo.length) {\n          if (fo[0].getBBox) {\n            ret = fo[0].getBBox();\n          }\n        }\n      }\n    }\n  }\n  if (ret) {\n    ret = bboxToObj(ret);\n  }\n\n  // get the bounding box from the DOM (which is in that element's coordinate system)\n  return ret;\n};\n\n/**\n* @typedef {GenericArray} module:utilities.PathSegmentArray\n* @property {Integer} length 2\n* @property {\"M\"|\"L\"|\"C\"|\"Z\"} 0\n* @property {Float[]} 1\n*/\n\n/**\n* Create a path 'd' attribute from path segments.\n* Each segment is an array of the form: `[singleChar, [x,y, x,y, ...]]`\n* @function module:utilities.getPathDFromSegments\n* @param {module:utilities.PathSegmentArray[]} pathSegments - An array of path segments to be converted\n* @returns {string} The converted path d attribute.\n*/\nexport const getPathDFromSegments = function (pathSegments) {\n  let d = '';\n\n  $.each(pathSegments, function (j, [singleChar, pts]) {\n    d += singleChar;\n    for (let i = 0; i < pts.length; i += 2) {\n      d += (pts[i] + ',' + pts[i + 1]) + ' ';\n    }\n  });\n\n  return d;\n};\n\n/**\n* Make a path 'd' attribute from a simple SVG element shape.\n* @function module:utilities.getPathDFromElement\n* @param {Element} elem - The element to be converted\n* @returns {string} The path d attribute or `undefined` if the element type is unknown.\n*/\nexport const getPathDFromElement = function (elem) {\n  // Possibly the cubed root of 6, but 1.81 works best\n  let num = 1.81;\n  let d, a, rx, ry;\n  switch (elem.tagName) {\n  case 'ellipse':\n  case 'circle':\n    a = $(elem).attr(['rx', 'ry', 'cx', 'cy']);\n    const {cx, cy} = a;\n    ({rx, ry} = a);\n    if (elem.tagName === 'circle') {\n      rx = ry = $(elem).attr('r');\n    }\n\n    d = getPathDFromSegments([\n      ['M', [(cx - rx), (cy)]],\n      ['C', [(cx - rx), (cy - ry / num), (cx - rx / num), (cy - ry), (cx), (cy - ry)]],\n      ['C', [(cx + rx / num), (cy - ry), (cx + rx), (cy - ry / num), (cx + rx), (cy)]],\n      ['C', [(cx + rx), (cy + ry / num), (cx + rx / num), (cy + ry), (cx), (cy + ry)]],\n      ['C', [(cx - rx / num), (cy + ry), (cx - rx), (cy + ry / num), (cx - rx), (cy)]],\n      ['Z', []]\n    ]);\n    break;\n  case 'path':\n    d = elem.getAttribute('d');\n    break;\n  case 'line':\n    a = $(elem).attr(['x1', 'y1', 'x2', 'y2']);\n    d = 'M' + a.x1 + ',' + a.y1 + 'L' + a.x2 + ',' + a.y2;\n    break;\n  case 'polyline':\n    d = 'M' + elem.getAttribute('points');\n    break;\n  case 'polygon':\n    d = 'M' + elem.getAttribute('points') + ' Z';\n    break;\n  case 'rect':\n    const r = $(elem).attr(['rx', 'ry']);\n    ({rx, ry} = r);\n    const b = elem.getBBox();\n    const {x, y} = b, w = b.width, h = b.height;\n    num = 4 - num; // Why? Because!\n\n    if (!rx && !ry) {\n      // Regular rect\n      d = getPathDFromSegments([\n        ['M', [x, y]],\n        ['L', [x + w, y]],\n        ['L', [x + w, y + h]],\n        ['L', [x, y + h]],\n        ['L', [x, y]],\n        ['Z', []]\n      ]);\n    } else {\n      d = getPathDFromSegments([\n        ['M', [x, y + ry]],\n        ['C', [x, y + ry / num, x + rx / num, y, x + rx, y]],\n        ['L', [x + w - rx, y]],\n        ['C', [x + w - rx / num, y, x + w, y + ry / num, x + w, y + ry]],\n        ['L', [x + w, y + h - ry]],\n        ['C', [x + w, y + h - ry / num, x + w - rx / num, y + h, x + w - rx, y + h]],\n        ['L', [x + rx, y + h]],\n        ['C', [x + rx / num, y + h, x, y + h - ry / num, x, y + h - ry]],\n        ['L', [x, y + ry]],\n        ['Z', []]\n      ]);\n    }\n    break;\n  default:\n    break;\n  }\n\n  return d;\n};\n\n/**\n* Get a set of attributes from an element that is useful for convertToPath.\n* @function module:utilities.getExtraAttributesForConvertToPath\n* @param {Element} elem - The element to be probed\n* @returns {PlainObject.<\"marker-start\"|\"marker-end\"|\"marker-mid\"|\"filter\"|\"clip-path\", string>} An object with attributes.\n*/\nexport const getExtraAttributesForConvertToPath = function (elem) {\n  const attrs = {};\n  // TODO: make this list global so that we can properly maintain it\n  // TODO: what about @transform, @clip-rule, @fill-rule, etc?\n  $.each(['marker-start', 'marker-end', 'marker-mid', 'filter', 'clip-path'], function () {\n    const a = elem.getAttribute(this);\n    if (a) {\n      attrs[this] = a;\n    }\n  });\n  return attrs;\n};\n\n/**\n* Get the BBox of an element-as-path\n* @function module:utilities.getBBoxOfElementAsPath\n* @param {Element} elem - The DOM element to be probed\n* @param {module:utilities.EditorContext#addSVGElementFromJson} addSVGElementFromJson - Function to add the path element to the current layer. See canvas.addSVGElementFromJson\n* @param {module:path.pathActions} pathActions - If a transform exists, `pathActions.resetOrientation()` is used. See: canvas.pathActions.\n* @returns {DOMRect|false} The resulting path's bounding box object.\n*/\nexport const getBBoxOfElementAsPath = function (elem, addSVGElementFromJson, pathActions) {\n  const path = addSVGElementFromJson({\n    element: 'path',\n    attr: getExtraAttributesForConvertToPath(elem)\n  });\n\n  const eltrans = elem.getAttribute('transform');\n  if (eltrans) {\n    path.setAttribute('transform', eltrans);\n  }\n\n  const parent = elem.parentNode;\n  if (elem.nextSibling) {\n    elem.before(path);\n  } else {\n    parent.append(path);\n  }\n\n  const d = getPathDFromElement(elem);\n  if (d) {\n    path.setAttribute('d', d);\n  } else {\n    path.remove();\n  }\n\n  // Get the correct BBox of the new path, then discard it\n  pathActions.resetOrientation(path);\n  let bb = false;\n  try {\n    bb = path.getBBox();\n  } catch (e) {\n    // Firefox fails\n  }\n  path.remove();\n  return bb;\n};\n\n/**\n* Convert selected element to a path.\n* @function module:utilities.convertToPath\n* @param {Element} elem - The DOM element to be converted\n* @param {module:utilities.SVGElementJSON} attrs - Apply attributes to new path. see canvas.convertToPath\n* @param {module:utilities.EditorContext#addSVGElementFromJson} addSVGElementFromJson - Function to add the path element to the current layer. See canvas.addSVGElementFromJson\n* @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.\n* @param {module:draw.DrawCanvasInit#clearSelection|module:path.EditorContext#clearSelection} clearSelection - see [canvas.clearSelection]{@link module:svgcanvas.SvgCanvas#clearSelection}\n* @param {module:path.EditorContext#addToSelection} addToSelection - see [canvas.addToSelection]{@link module:svgcanvas.SvgCanvas#addToSelection}\n* @param {module:history} history - see history module\n* @param {module:path.EditorContext#addCommandToHistory|module:draw.DrawCanvasInit#addCommandToHistory} addCommandToHistory - see [canvas.addCommandToHistory]{@link module:svgcanvas~addCommandToHistory}\n* @returns {SVGPathElement|null} The converted path element or null if the DOM element was not recognized.\n*/\nexport const convertToPath = function (elem, attrs, addSVGElementFromJson, pathActions, clearSelection, addToSelection, history, addCommandToHistory) {\n  const batchCmd = new history.BatchCommand('Convert element to Path');\n\n  // Any attribute on the element not covered by the passed-in attributes\n  attrs = $.extend({}, attrs, getExtraAttributesForConvertToPath(elem));\n\n  const path = addSVGElementFromJson({\n    element: 'path',\n    attr: attrs\n  });\n\n  const eltrans = elem.getAttribute('transform');\n  if (eltrans) {\n    path.setAttribute('transform', eltrans);\n  }\n\n  const {id} = elem;\n  const parent = elem.parentNode;\n  if (elem.nextSibling) {\n    elem.before(path);\n  } else {\n    parent.append(path);\n  }\n\n  const d = getPathDFromElement(elem);\n  if (d) {\n    path.setAttribute('d', d);\n\n    // Replace the current element with the converted one\n\n    // Reorient if it has a matrix\n    if (eltrans) {\n      const tlist = getTransformList(path);\n      if (hasMatrixTransform(tlist)) {\n        pathActions.resetOrientation(path);\n      }\n    }\n\n    const {nextSibling} = elem;\n    batchCmd.addSubCommand(new history.RemoveElementCommand(elem, nextSibling, parent));\n    batchCmd.addSubCommand(new history.InsertElementCommand(path));\n\n    clearSelection();\n    elem.remove();\n    path.setAttribute('id', id);\n    path.removeAttribute('visibility');\n    addToSelection([path], true);\n\n    addCommandToHistory(batchCmd);\n\n    return path;\n  }\n  // the elem.tagName was not recognized, so no \"d\" attribute. Remove it, so we've haven't changed anything.\n  path.remove();\n  return null;\n};\n\n/**\n* Can the bbox be optimized over the native getBBox? The optimized bbox is the same as the native getBBox when\n* the rotation angle is a multiple of 90 degrees and there are no complex transforms.\n* Getting an optimized bbox can be dramatically slower, so we want to make sure it's worth it.\n*\n* The best example for this is a circle rotate 45 degrees. The circle doesn't get wider or taller when rotated\n* about it's center.\n*\n* The standard, unoptimized technique gets the native bbox of the circle, rotates the box 45 degrees, uses\n* that width and height, and applies any transforms to get the final bbox. This means the calculated bbox\n* is much wider than the original circle. If the angle had been 0, 90, 180, etc. both techniques render the\n* same bbox.\n*\n* The optimization is not needed if the rotation is a multiple 90 degrees. The default technique is to call\n* getBBox then apply the angle and any transforms.\n*\n* @param {Float} angle - The rotation angle in degrees\n* @param {boolean} hasMatrixTransform - True if there is a matrix transform\n* @returns {boolean} True if the bbox can be optimized.\n*/\nfunction bBoxCanBeOptimizedOverNativeGetBBox (angle, hasMatrixTransform) {\n  const angleModulo90 = angle % 90;\n  const closeTo90 = angleModulo90 < -89.99 || angleModulo90 > 89.99;\n  const closeTo0 = angleModulo90 > -0.001 && angleModulo90 < 0.001;\n  return hasMatrixTransform || !(closeTo0 || closeTo90);\n}\n\n/**\n* Get bounding box that includes any transforms.\n* @function module:utilities.getBBoxWithTransform\n* @param {Element} elem - The DOM element to be converted\n* @param {module:utilities.EditorContext#addSVGElementFromJson} addSVGElementFromJson - Function to add the path element to the current layer. See canvas.addSVGElementFromJson\n* @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.\n* @returns {module:utilities.BBoxObject|module:math.TransformedBox|DOMRect} A single bounding box object\n*/\nexport const getBBoxWithTransform = function (elem, addSVGElementFromJson, pathActions) {\n  // TODO: Fix issue with rotated groups. Currently they work\n  // fine in FF, but not in other browsers (same problem mentioned\n  // in Issue 339 comment #2).\n\n  let bb = getBBox(elem);\n\n  if (!bb) {\n    return null;\n  }\n\n  const tlist = getTransformList(elem);\n  const angle = getRotationAngleFromTransformList(tlist);\n  const hasMatrixXForm = hasMatrixTransform(tlist);\n\n  if (angle || hasMatrixXForm) {\n    let goodBb = false;\n    if (bBoxCanBeOptimizedOverNativeGetBBox(angle, hasMatrixXForm)) {\n      // Get the BBox from the raw path for these elements\n      // TODO: why ellipse and not circle\n      const elemNames = ['ellipse', 'path', 'line', 'polyline', 'polygon'];\n      if (elemNames.includes(elem.tagName)) {\n        bb = goodBb = getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions);\n      } else if (elem.tagName === 'rect') {\n        // Look for radius\n        const rx = elem.getAttribute('rx');\n        const ry = elem.getAttribute('ry');\n        if (rx || ry) {\n          bb = goodBb = getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions);\n        }\n      }\n    }\n\n    if (!goodBb) {\n      const {matrix} = transformListToTransform(tlist);\n      bb = transformBox(bb.x, bb.y, bb.width, bb.height, matrix).aabox;\n\n      // Old technique that was exceedingly slow with large documents.\n      //\n      // Accurate way to get BBox of rotated element in Firefox:\n      // Put element in group and get its BBox\n      //\n      // Must use clone else FF freaks out\n      // const clone = elem.cloneNode(true);\n      // const g = document.createElementNS(NS.SVG, 'g');\n      // const parent = elem.parentNode;\n      // parent.append(g);\n      // g.append(clone);\n      // const bb2 = bboxToObj(g.getBBox());\n      // g.remove();\n    }\n  }\n  return bb;\n};\n\n// TODO: This is problematic with large stroke-width and, for example, a single horizontal line. The calculated BBox extends way beyond left and right sides.\nfunction getStrokeOffsetForBBox (elem) {\n  const sw = elem.getAttribute('stroke-width');\n  return (!isNaN(sw) && elem.getAttribute('stroke') !== 'none') ? sw / 2 : 0;\n}\n\n/**\n * @typedef {PlainObject} BBox\n * @property {Integer} x The x value\n * @property {Integer} y The y value\n * @property {Float} width\n * @property {Float} height\n */\n\n/**\n* Get the bounding box for one or more stroked and/or transformed elements\n* @function module:utilities.getStrokedBBox\n* @param {Element[]} elems - Array with DOM elements to check\n* @param {module:utilities.EditorContext#addSVGElementFromJson} addSVGElementFromJson - Function to add the path element to the current layer. See canvas.addSVGElementFromJson\n* @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.\n* @returns {module:utilities.BBoxObject|module:math.TransformedBox|DOMRect} A single bounding box object\n*/\nexport const getStrokedBBox = function (elems, addSVGElementFromJson, pathActions) {\n  if (!elems || !elems.length) { return false; }\n\n  let fullBb;\n  $.each(elems, function () {\n    if (fullBb) { return; }\n    if (!this.parentNode) { return; }\n    fullBb = getBBoxWithTransform(this, addSVGElementFromJson, pathActions);\n  });\n\n  // This shouldn't ever happen...\n  if (fullBb === undefined) { return null; }\n\n  // fullBb doesn't include the stoke, so this does no good!\n  // if (elems.length == 1) return fullBb;\n\n  let maxX = fullBb.x + fullBb.width;\n  let maxY = fullBb.y + fullBb.height;\n  let minX = fullBb.x;\n  let minY = fullBb.y;\n\n  // If only one elem, don't call the potentially slow getBBoxWithTransform method again.\n  if (elems.length === 1) {\n    const offset = getStrokeOffsetForBBox(elems[0]);\n    minX -= offset;\n    minY -= offset;\n    maxX += offset;\n    maxY += offset;\n  } else {\n    $.each(elems, function (i, elem) {\n      const curBb = getBBoxWithTransform(elem, addSVGElementFromJson, pathActions);\n      if (curBb) {\n        const offset = getStrokeOffsetForBBox(elem);\n        minX = Math.min(minX, curBb.x - offset);\n        minY = Math.min(minY, curBb.y - offset);\n        // TODO: The old code had this test for max, but not min. I suspect this test should be for both min and max\n        if (elem.nodeType === 1) {\n          maxX = Math.max(maxX, curBb.x + curBb.width + offset);\n          maxY = Math.max(maxY, curBb.y + curBb.height + offset);\n        }\n      }\n    });\n  }\n\n  fullBb.x = minX;\n  fullBb.y = minY;\n  fullBb.width = maxX - minX;\n  fullBb.height = maxY - minY;\n  return fullBb;\n};\n\n/**\n* Get all elements that have a BBox (excludes `<defs>`, `<title>`, etc).\n* Note that 0-opacity, off-screen etc elements are still considered \"visible\"\n* for this function\n* @function module:utilities.getVisibleElements\n* @param {Element} parent - The parent DOM element to search within\n* @returns {Element[]} All \"visible\" elements.\n*/\nexport const getVisibleElements = function (parent) {\n  if (!parent) {\n    parent = $(editorContext_.getSVGContent()).children(); // Prevent layers from being included\n  }\n\n  const contentElems = [];\n  $(parent).children().each(function (i, elem) {\n    if (elem.getBBox) {\n      contentElems.push(elem);\n    }\n  });\n  return contentElems.reverse();\n};\n\n/**\n* Get the bounding box for one or more stroked and/or transformed elements\n* @function module:utilities.getStrokedBBoxDefaultVisible\n* @param {Element[]} elems - Array with DOM elements to check\n* @returns {module:utilities.BBoxObject} A single bounding box object\n*/\nexport const getStrokedBBoxDefaultVisible = function (elems) {\n  if (!elems) { elems = getVisibleElements(); }\n  return getStrokedBBox(\n    elems,\n    editorContext_.addSVGElementFromJson,\n    editorContext_.pathActions\n  );\n};\n\n/**\n* Get the rotation angle of the given transform list.\n* @function module:utilities.getRotationAngleFromTransformList\n* @param {SVGTransformList} tlist - List of transforms\n* @param {boolean} toRad - When true returns the value in radians rather than degrees\n* @returns {Float} The angle in degrees or radians\n*/\nexport const getRotationAngleFromTransformList = function (tlist, toRad) {\n  if (!tlist) { return 0; } // <svg> elements have no tlist\n  const N = tlist.numberOfItems;\n  for (let i = 0; i < N; ++i) {\n    const xform = tlist.getItem(i);\n    if (xform.type === 4) {\n      return toRad ? xform.angle * Math.PI / 180.0 : xform.angle;\n    }\n  }\n  return 0.0;\n};\n\n/**\n* Get the rotation angle of the given/selected DOM element\n* @function module:utilities.getRotationAngle\n* @param {Element} [elem] - DOM element to get the angle for. Default to first of selected elements.\n* @param {boolean} [toRad=false] - When true returns the value in radians rather than degrees\n* @returns {Float} The angle in degrees or radians\n*/\nexport let getRotationAngle = function (elem, toRad) {\n  const selected = elem || editorContext_.getSelectedElements()[0];\n  // find the rotation transform (if any) and set it\n  const tlist = getTransformList(selected);\n  return getRotationAngleFromTransformList(tlist, toRad);\n};\n\n/**\n* Get the reference element associated with the given attribute value\n* @function module:utilities.getRefElem\n* @param {string} attrVal - The attribute value as a string\n* @returns {Element} Reference element\n*/\nexport const getRefElem = function (attrVal) {\n  return getElem(getUrlFromAttr(attrVal).substr(1));\n};\n\n/**\n* Get a DOM element by ID within the SVG root element.\n* @function module:utilities.getElem\n* @param {string} id - String with the element's new ID\n* @returns {Element}\n*/\nexport const getElem = (supportsSelectors())\n  ? function (id) {\n    // querySelector lookup\n    return svgroot_.querySelector('#' + id);\n  } : supportsXpath()\n    ? function (id) {\n      // xpath lookup\n      return domdoc_.evaluate(\n        'svg:svg[@id=\"svgroot\"]//svg:*[@id=\"' + id + '\"]',\n        domcontainer_,\n        function () { return NS.SVG; },\n        9,\n        null).singleNodeValue;\n    }\n    : function (id) {\n      // jQuery lookup: twice as slow as xpath in FF\n      return $(svgroot_).find('[id=' + id + ']')[0];\n    };\n\n/**\n* Assigns multiple attributes to an element.\n* @function module:utilities.assignAttributes\n* @param {Element} elem - DOM element to apply new attribute values to\n* @param {PlainObject.<string, string>} attrs - Object with attribute keys/values\n* @param {Integer} [suspendLength] - Milliseconds to suspend redraw\n* @param {boolean} [unitCheck=false] - Boolean to indicate the need to use units.setUnitAttr\n* @returns {undefined}\n*/\nexport const assignAttributes = function (elem, attrs, suspendLength, unitCheck) {\n  for (const [key, value] of Object.entries(attrs)) {\n    const ns = (key.substr(0, 4) === 'xml:'\n      ? NS.XML\n      : key.substr(0, 6) === 'xlink:' ? NS.XLINK : null);\n\n    if (ns) {\n      elem.setAttributeNS(ns, key, value);\n    } else if (!unitCheck) {\n      elem.setAttribute(key, value);\n    } else {\n      setUnitAttr(elem, key, value);\n    }\n  }\n};\n\n/**\n* Remove unneeded (default) attributes, makes resulting SVG smaller\n* @function module:utilities.cleanupElement\n* @param {Element} element - DOM element to clean up\n* @returns {undefined}\n*/\nexport const cleanupElement = function (element) {\n  const defaults = {\n    'fill-opacity': 1,\n    'stop-opacity': 1,\n    opacity: 1,\n    stroke: 'none',\n    'stroke-dasharray': 'none',\n    'stroke-linejoin': 'miter',\n    'stroke-linecap': 'butt',\n    'stroke-opacity': 1,\n    'stroke-width': 1,\n    rx: 0,\n    ry: 0\n  };\n\n  if (element.nodeName === 'ellipse') {\n    // Ellipse elements require rx and ry attributes\n    delete defaults.rx;\n    delete defaults.ry;\n  }\n\n  for (const attr in defaults) {\n    const val = defaults[attr];\n    if (element.getAttribute(attr) === String(val)) {\n      element.removeAttribute(attr);\n    }\n  }\n};\n\n/**\n* Round value to for snapping\n* @function module:utilities.snapToGrid\n* @param {Float} value\n* @returns {Integer}\n*/\nexport const snapToGrid = function (value) {\n  const unit = editorContext_.getBaseUnit();\n  let stepSize = editorContext_.getSnappingStep();\n  if (unit !== 'px') {\n    stepSize *= getTypeMap()[unit];\n  }\n  value = Math.round(value / stepSize) * stepSize;\n  return value;\n};\n\n/**\n* Escapes special characters in a regular expression\n* @function module:utilities.regexEscape\n* @param {string} str\n* @returns {string}\n*/\nexport const regexEscape = function (str) {\n  // From: http://phpjs.org/functions\n  return String(str).replace(new RegExp('[.\\\\\\\\+*?\\\\[\\\\^\\\\]$(){}=!<>|:\\\\-]', 'g'), '\\\\$&');\n};\n\n/**\n * Prevents default browser click behaviour on the given element\n * @function module:utilities.preventClickDefault\n * @param {Element} img - The DOM element to prevent the click on\n * @returns {undefined}\n */\nexport const preventClickDefault = function (img) {\n  $(img).click(function (e) { e.preventDefault(); });\n};\n\n/**\n * @callback module:utilities.GetNextID\n * @returns {string} The ID\n */\n/**\n * Create a clone of an element, updating its ID and its children's IDs when needed\n * @function module:utilities.copyElem\n * @param {Element} el - DOM element to clone\n * @param {module:utilities.GetNextID} getNextId - The getter of the next unique ID.\n * @returns {Element} The cloned element\n */\nexport const copyElem = function (el, getNextId) {\n  // manually create a copy of the element\n  const newEl = document.createElementNS(el.namespaceURI, el.nodeName);\n  $.each(el.attributes, function (i, attr) {\n    if (attr.localName !== '-moz-math-font-style') {\n      newEl.setAttributeNS(attr.namespaceURI, attr.nodeName, attr.value);\n    }\n  });\n  // set the copied element's new id\n  newEl.removeAttribute('id');\n  newEl.id = getNextId();\n\n  // Opera's \"d\" value needs to be reset for Opera/Win/non-EN\n  // Also needed for webkit (else does not keep curved segments on clone)\n  if (isWebkit() && el.nodeName === 'path') {\n    const fixedD = convertPath(el);\n    newEl.setAttribute('d', fixedD);\n  }\n\n  // now create copies of all children\n  $.each(el.childNodes, function (i, child) {\n    switch (child.nodeType) {\n    case 1: // element node\n      newEl.append(copyElem(child, getNextId));\n      break;\n    case 3: // text node\n      newEl.textContent = child.nodeValue;\n      break;\n    default:\n      break;\n    }\n  });\n\n  if ($(el).data('gsvg')) {\n    $(newEl).data('gsvg', newEl.firstChild);\n  } else if ($(el).data('symbol')) {\n    const ref = $(el).data('symbol');\n    $(newEl).data('ref', ref).data('symbol', ref);\n  } else if (newEl.tagName === 'image') {\n    preventClickDefault(newEl);\n  }\n\n  return newEl;\n};\n\n/**\n* Unit testing\n* @function module:utilities.mock\n* @returns {undefined}\n*/\nexport const mock = ({\n  getHref: getHrefUser, setHref: setHrefUser, getRotationAngle: getRotationAngleUser\n}) => {\n  getHref = getHrefUser;\n  setHref = setHrefUser;\n  getRotationAngle = getRotationAngleUser;\n};\n","/* globals jQuery */\n/**\n * Adds context menu functionality\n * @module contextmenu\n * @license Apache-2.0\n * @author Adam Bender\n */\n// Dependencies:\n// 1) jQuery (for dom injection of context menus)\n\nconst $ = jQuery;\n\nlet contextMenuExtensions = {};\n\n/**\n * Signature depends on what the user adds; in the case of our uses with\n * SVGEditor, no parameters are passed nor anything expected for a return.\n * @callback module:contextmenu.MenuItemAction\n*/\n\n/**\n* @typedef {PlainObject} module:contextmenu.MenuItem\n* @property {string} id\n* @property {string} label\n* @property {module:contextmenu.MenuItemAction} action\n*/\n\n/**\n* @param {module:contextmenu.MenuItem} menuItem\n* @returns {boolean}\n*/\nconst menuItemIsValid = function (menuItem) {\n  return menuItem && menuItem.id && menuItem.label && menuItem.action && typeof menuItem.action === 'function';\n};\n\n/**\n* @function module:contextmenu.add\n* @param {module:contextmenu.MenuItem} menuItem\n* @returns {undefined}\n*/\nexport const add = function (menuItem) {\n  // menuItem: {id, label, shortcut, action}\n  if (!menuItemIsValid(menuItem)) {\n    console.error('Menu items must be defined and have at least properties: id, label, action, where action must be a function');\n    return;\n  }\n  if (menuItem.id in contextMenuExtensions) {\n    console.error('Cannot add extension \"' + menuItem.id + '\", an extension by that name already exists\"');\n    return;\n  }\n  // Register menuItem action, see below for deferred menu dom injection\n  console.log('Registed contextmenu item: {id:' + menuItem.id + ', label:' + menuItem.label + '}');\n  contextMenuExtensions[menuItem.id] = menuItem;\n  // TODO: Need to consider how to handle custom enable/disable behavior\n};\n\n/**\n* @function module:contextmenu.hasCustomHandler\n* @param {string} handlerKey\n* @returns {boolean}\n*/\nexport const hasCustomHandler = function (handlerKey) {\n  return Boolean(contextMenuExtensions[handlerKey]);\n};\n\n/**\n* @function module:contextmenu.getCustomHandler\n* @param {string} handlerKey\n* @returns {module:contextmenu.MenuItemAction}\n*/\nexport const getCustomHandler = function (handlerKey) {\n  return contextMenuExtensions[handlerKey].action;\n};\n\n/**\n* @param {module:contextmenu.MenuItem} menuItem\n* @returns {undefined}\n*/\nconst injectExtendedContextMenuItemIntoDom = function (menuItem) {\n  if (!Object.keys(contextMenuExtensions).length) {\n    // all menuItems appear at the bottom of the menu in their own container.\n    // if this is the first extension menu we need to add the separator.\n    $('#cmenu_canvas').append(\"<li class='separator'>\");\n  }\n  const shortcut = menuItem.shortcut || '';\n  $('#cmenu_canvas').append(\"<li class='disabled'><a href='#\" + menuItem.id + \"'>\" +\n    menuItem.label + \"<span class='shortcut'>\" +\n    shortcut + '</span></a></li>');\n};\n\n/**\n* @function module:contextmenu.injectExtendedContextMenuItemsIntoDom\n* @returns {undefined}\n*/\nexport const injectExtendedContextMenuItemsIntoDom = function () {\n  for (const menuItem in contextMenuExtensions) {\n    injectExtendedContextMenuItemIntoDom(contextMenuExtensions[menuItem]);\n  }\n};\n/**\n* @function module:contextmenu.resetCustomMenus\n* @returns {undefined}\n*/\nexport const resetCustomMenus = function () { contextMenuExtensions = {}; };\n","// MIT License\n// From: https://github.com/uupaa/dynamic-import-polyfill/blob/master/importModule.js\n\n/**\n * @module importModule\n */\n\nfunction toAbsoluteURL (url) {\n  const a = document.createElement('a');\n  a.setAttribute('href', url); // <a href=\"hoge.html\">\n  return a.cloneNode(false).href; // -> \"http://example.com/hoge.html\"\n}\n\nfunction addScriptAtts (script, atts) {\n  ['id', 'class', 'type'].forEach((prop) => {\n    if (prop in atts) {\n      script[prop] = atts[prop];\n    }\n  });\n}\n\n// Additions by Brett\n/**\n* @typedef {PlainObject} module:importModule.ImportConfig\n* @property {string} global The variable name to set on `window` (when not using the modular version)\n* @property {boolean} [returnDefault=false]\n*/\n/**\n* @function module:importModule.importSetGlobalDefault\n* @param {string} url\n* @param {module:importModule.ImportConfig} config\n* @returns {*} The return depends on the export of the targeted module.\n*/\nexport async function importSetGlobalDefault (url, config) {\n  return importSetGlobal(url, {...config, returnDefault: true});\n}\n/**\n* @function module:importModule.importSetGlobal\n* @param {string} url\n* @param {module:importModule.ImportConfig} config\n* @returns {ArbitraryModule|*} The return depends on the export of the targeted module.\n*/\nexport async function importSetGlobal (url, {global, returnDefault}) {\n  // Todo: Replace calls to this function with `import()` when supported\n  const modularVersion = !('svgEditor' in window) ||\n    !window.svgEditor ||\n    window.svgEditor.modules !== false;\n  if (modularVersion) {\n    return importModule(url, undefined, {returnDefault});\n  }\n  await importScript(url);\n  return window[global];\n}\n// Addition by Brett\nexport function importScript (url, atts = {}) {\n  if (Array.isArray(url)) {\n    return Promise.all(url.map((u) => {\n      return importScript(u, atts);\n    }));\n  }\n  return new Promise((resolve, reject) => {\n    const script = document.createElement('script');\n    const destructor = () => {\n      script.onerror = null;\n      script.onload = null;\n      script.remove();\n      script.src = '';\n    };\n    script.defer = 'defer';\n    addScriptAtts(script, atts);\n    script.onerror = () => {\n      reject(new Error(`Failed to import: ${url}`));\n      destructor();\n    };\n    script.onload = () => {\n      resolve();\n      destructor();\n    };\n    script.src = url;\n\n    document.head.append(script);\n  });\n}\n\nexport function importModule (url, atts = {}, {returnDefault = false} = {}) {\n  if (Array.isArray(url)) {\n    return Promise.all(url.map((u) => {\n      return importModule(u, atts);\n    }));\n  }\n  return new Promise((resolve, reject) => {\n    const vector = '$importModule$' + Math.random().toString(32).slice(2);\n    const script = document.createElement('script');\n    const destructor = () => {\n      delete window[vector];\n      script.onerror = null;\n      script.onload = null;\n      script.remove();\n      URL.revokeObjectURL(script.src);\n      script.src = '';\n    };\n    addScriptAtts(script, atts);\n    script.defer = 'defer';\n    script.type = 'module';\n    script.onerror = () => {\n      reject(new Error(`Failed to import: ${url}`));\n      destructor();\n    };\n    script.onload = () => {\n      resolve(window[vector]);\n      destructor();\n    };\n    const absURL = toAbsoluteURL(url);\n    const loader = `import * as m from '${absURL.replace(/'/g, \"\\\\'\")}'; window.${vector} = ${returnDefault ? 'm.default || ' : ''}m;`; // export Module\n    const blob = new Blob([loader], {type: 'text/javascript'});\n    script.src = URL.createObjectURL(blob);\n\n    document.head.append(script);\n  });\n}\n\nexport default importModule;\n","/* globals jQuery */\n/**\n * Provides tools for the layer concept\n * @module layer\n * @license MIT\n *\n * @copyright 2011 Jeff Schiller, 2016 Flint O'Brien\n */\n\nimport {NS} from './namespaces.js';\nimport {toXml, walkTree} from './utilities.js';\n\nconst $ = jQuery;\n\n/**\n * This class encapsulates the concept of a layer in the drawing. It can be constructed with\n * an existing group element or, with three parameters, will create a new layer group element.\n *\n * @example\n * new Layer('name', group);          // Use the existing group for this layer.\n * new Layer('name', group, svgElem); // Create a new group and add it to the DOM after group.\n * new Layer('name', null, svgElem);  // Create a new group and add it to the DOM as the last layer.\n * @memberof module:layer\n */\nclass Layer {\n  /**\n  * @param {string} name - Layer name\n  * @param {SVGGElement|null} group - An existing SVG group element or null.\n  *     If group and no svgElem, use group for this layer.\n  *     If group and svgElem, create a new group element and insert it in the DOM after group.\n  *     If no group and svgElem, create a new group element and insert it in the DOM as the last layer.\n  * @param {SVGGElement=} svgElem - The SVG DOM element. If defined, use this to add\n  *     a new layer to the document.\n  */\n  constructor (name, group, svgElem) {\n    this.name_ = name;\n    this.group_ = svgElem ? null : group;\n\n    if (svgElem) {\n      // Create a group element with title and add it to the DOM.\n      const svgdoc = svgElem.ownerDocument;\n      this.group_ = svgdoc.createElementNS(NS.SVG, 'g');\n      const layerTitle = svgdoc.createElementNS(NS.SVG, 'title');\n      layerTitle.textContent = name;\n      this.group_.append(layerTitle);\n      if (group) {\n        $(group).after(this.group_);\n      } else {\n        svgElem.append(this.group_);\n      }\n    }\n\n    addLayerClass(this.group_);\n    walkTree(this.group_, function (e) {\n      e.setAttribute('style', 'pointer-events:inherit');\n    });\n\n    this.group_.setAttribute('style', svgElem ? 'pointer-events:all' : 'pointer-events:none');\n  }\n\n  /**\n   * Get the layer's name.\n   * @returns {string} The layer name\n   */\n  getName () {\n    return this.name_;\n  }\n\n  /**\n   * Get the group element for this layer.\n   * @returns {SVGGElement} The layer SVG group\n   */\n  getGroup () {\n    return this.group_;\n  }\n\n  /**\n   * Active this layer so it takes pointer events.\n   * @returns {undefined}\n   */\n  activate () {\n    this.group_.setAttribute('style', 'pointer-events:all');\n  }\n\n  /**\n   * Deactive this layer so it does NOT take pointer events.\n   * @returns {undefined}\n   */\n  deactivate () {\n    this.group_.setAttribute('style', 'pointer-events:none');\n  }\n\n  /**\n   * Set this layer visible or hidden based on 'visible' parameter.\n   * @param {boolean} visible - If true, make visible; otherwise, hide it.\n   * @returns {undefined}\n   */\n  setVisible (visible) {\n    const expected = visible === undefined || visible ? 'inline' : 'none';\n    const oldDisplay = this.group_.getAttribute('display');\n    if (oldDisplay !== expected) {\n      this.group_.setAttribute('display', expected);\n    }\n  }\n\n  /**\n   * Is this layer visible?\n   * @returns {boolean} True if visible.\n   */\n  isVisible () {\n    return this.group_.getAttribute('display') !== 'none';\n  }\n\n  /**\n   * Get layer opacity.\n   * @returns {Float} Opacity value.\n   */\n  getOpacity () {\n    const opacity = this.group_.getAttribute('opacity');\n    if (opacity === null || opacity === undefined) {\n      return 1;\n    }\n    return parseFloat(opacity);\n  }\n\n  /**\n   * Sets the opacity of this layer. If opacity is not a value between 0.0 and 1.0,\n   * nothing happens.\n   * @param {Float} opacity - A float value in the range 0.0-1.0\n   * @returns {undefined}\n   */\n  setOpacity (opacity) {\n    if (typeof opacity === 'number' && opacity >= 0.0 && opacity <= 1.0) {\n      this.group_.setAttribute('opacity', opacity);\n    }\n  }\n\n  /**\n   * Append children to this layer.\n   * @param {SVGGElement} children - The children to append to this layer.\n   * @returns {undefined}\n   */\n  appendChildren (children) {\n    for (let i = 0; i < children.length; ++i) {\n      this.group_.append(children[i]);\n    }\n  }\n\n  /**\n  * @returns {SVGTitleElement|null}\n  */\n  getTitleElement () {\n    const len = this.group_.childNodes.length;\n    for (let i = 0; i < len; ++i) {\n      const child = this.group_.childNodes.item(i);\n      if (child && child.tagName === 'title') {\n        return child;\n      }\n    }\n    return null;\n  }\n\n  /**\n   * Set the name of this layer.\n   * @param {string} name - The new name.\n   * @param {module:history.HistoryRecordingService} hrService - History recording service\n   * @returns {string|null} The new name if changed; otherwise, null.\n   */\n  setName (name, hrService) {\n    const previousName = this.name_;\n    name = toXml(name);\n    // now change the underlying title element contents\n    const title = this.getTitleElement();\n    if (title) {\n      $(title).empty();\n      title.textContent = name;\n      this.name_ = name;\n      if (hrService) {\n        hrService.changeElement(title, {'#text': previousName});\n      }\n      return this.name_;\n    }\n    return null;\n  }\n\n  /**\n   * Remove this layer's group from the DOM. No more functions on group can be called after this.\n   * @param {SVGGElement} children - The children to append to this layer.\n   * @returns {SVGGElement} The layer SVG group that was just removed.\n   */\n  removeGroup () {\n    const parent = this.group_.parentNode;\n    const group = parent.removeChild(this.group_);\n    this.group_ = undefined;\n    return group;\n  }\n}\n/**\n * @property {string} CLASS_NAME - class attribute assigned to all layer groups.\n */\nLayer.CLASS_NAME = 'layer';\n\n/**\n * @property {RegExp} CLASS_REGEX - Used to test presence of class Layer.CLASS_NAME\n */\nLayer.CLASS_REGEX = new RegExp('(\\\\s|^)' + Layer.CLASS_NAME + '(\\\\s|$)');\n\n/**\n * Add class `Layer.CLASS_NAME` to the element (usually `class='layer'`).\n *\n * @param {SVGGElement} elem - The SVG element to update\n * @returns {undefined}\n */\nfunction addLayerClass (elem) {\n  const classes = elem.getAttribute('class');\n  if (classes === null || classes === undefined || !classes.length) {\n    elem.setAttribute('class', Layer.CLASS_NAME);\n  } else if (!Layer.CLASS_REGEX.test(classes)) {\n    elem.setAttribute('class', classes + ' ' + Layer.CLASS_NAME);\n  }\n}\n\nexport default Layer;\n","/**\n * HistoryRecordingService component of history\n * @module history\n * @license MIT\n * @copyright 2016 Flint O'Brien\n */\n\nimport {\n  BatchCommand, MoveElementCommand, InsertElementCommand, RemoveElementCommand,\n  ChangeElementCommand\n} from './history.js';\n\n/**\n * History recording service.\n *\n * A self-contained service interface for recording history. Once injected, no other dependencies\n * or globals are required (example: UndoManager, command types, etc.). Easy to mock for unit tests.\n * Built on top of history classes in history.js.\n *\n * There is a simple start/end interface for batch commands.\n *\n * HistoryRecordingService.NO_HISTORY is a singleton that can be passed in to functions\n * that record history. This helps when the caller requires that no history be recorded.\n *\n * The following will record history: insert, batch, insert.\n * @example\n * hrService = new history.HistoryRecordingService(this.undoMgr);\n * hrService.insertElement(elem, text);         // add simple command to history.\n * hrService.startBatchCommand('create two elements');\n * hrService.changeElement(elem, attrs, text);  // add to batchCommand\n * hrService.changeElement(elem, attrs2, text); // add to batchCommand\n * hrService.endBatchCommand();                  // add batch command with two change commands to history.\n * hrService.insertElement(elem, text);         // add simple command to history.\n *\n * @example\n * // Note that all functions return this, so commands can be chained, like so:\n * hrService\n *   .startBatchCommand('create two elements')\n *   .insertElement(elem, text)\n *   .changeElement(elem, attrs, text)\n *   .endBatchCommand();\n *\n * @memberof module:history\n */\nclass HistoryRecordingService {\n  /**\n  * @param {history.UndoManager|null} undoManager - The undo manager.\n  *     A value of `null` is valid for cases where no history recording is required.\n  *     See singleton: {@link module:history.HistoryRecordingService.HistoryRecordingService.NO_HISTORY}\n  */\n  constructor (undoManager) {\n    this.undoManager_ = undoManager;\n    this.currentBatchCommand_ = null;\n    this.batchCommandStack_ = [];\n  }\n\n  /**\n   * Start a batch command so multiple commands can recorded as a single history command.\n   * Requires a corresponding call to endBatchCommand. Start and end commands can be nested.\n   *\n   * @param {string} text - Optional string describing the batch command.\n   * @returns {module:history.HistoryRecordingService}\n   */\n  startBatchCommand (text) {\n    if (!this.undoManager_) { return this; }\n    this.currentBatchCommand_ = new BatchCommand(text);\n    this.batchCommandStack_.push(this.currentBatchCommand_);\n    return this;\n  }\n\n  /**\n   * End a batch command and add it to the history or a parent batch command.\n   * @returns {module:history.HistoryRecordingService}\n   */\n  endBatchCommand () {\n    if (!this.undoManager_) { return this; }\n    if (this.currentBatchCommand_) {\n      const batchCommand = this.currentBatchCommand_;\n      this.batchCommandStack_.pop();\n      const {length} = this.batchCommandStack_;\n      this.currentBatchCommand_ = length ? this.batchCommandStack_[length - 1] : null;\n      this.addCommand_(batchCommand);\n    }\n    return this;\n  }\n\n  /**\n   * Add a MoveElementCommand to the history or current batch command\n   * @param {Element} elem - The DOM element that was moved\n   * @param {Element} oldNextSibling - The element's next sibling before it was moved\n   * @param {Element} oldParent - The element's parent before it was moved\n   * @param {string} [text] - An optional string visible to user related to this change\n   * @returns {module:history.HistoryRecordingService}\n   */\n  moveElement (elem, oldNextSibling, oldParent, text) {\n    if (!this.undoManager_) { return this; }\n    this.addCommand_(new MoveElementCommand(elem, oldNextSibling, oldParent, text));\n    return this;\n  }\n\n  /**\n   * Add an InsertElementCommand to the history or current batch command\n   * @param {Element} elem - The DOM element that was added\n   * @param {string} [text] - An optional string visible to user related to this change\n   * @returns {module:history.HistoryRecordingService}\n   */\n  insertElement (elem, text) {\n    if (!this.undoManager_) { return this; }\n    this.addCommand_(new InsertElementCommand(elem, text));\n    return this;\n  }\n\n  /**\n   * Add a RemoveElementCommand to the history or current batch command\n   * @param {Element} elem - The DOM element that was removed\n   * @param {Element} oldNextSibling - The element's next sibling before it was removed\n   * @param {Element} oldParent - The element's parent before it was removed\n   * @param {string} [text] - An optional string visible to user related to this change\n   * @returns {module:history.HistoryRecordingService}\n   */\n  removeElement (elem, oldNextSibling, oldParent, text) {\n    if (!this.undoManager_) { return this; }\n    this.addCommand_(new RemoveElementCommand(elem, oldNextSibling, oldParent, text));\n    return this;\n  }\n\n  /**\n   * Add a ChangeElementCommand to the history or current batch command\n   * @param {Element} elem - The DOM element that was changed\n   * @param {module:history.CommandAttributes} attrs - An object with the attributes to be changed and the values they had *before* the change\n   * @param {string} [text] - An optional string visible to user related to this change\n   * @returns {module:history.HistoryRecordingService}\n   */\n  changeElement (elem, attrs, text) {\n    if (!this.undoManager_) { return this; }\n    this.addCommand_(new ChangeElementCommand(elem, attrs, text));\n    return this;\n  }\n\n  /**\n   * Private function to add a command to the history or current batch command.\n   * @private\n   * @param {Command} cmd\n   * @returns {module:history.HistoryRecordingService}\n   */\n  addCommand_ (cmd) {\n    if (!this.undoManager_) { return this; }\n    if (this.currentBatchCommand_) {\n      this.currentBatchCommand_.addSubCommand(cmd);\n    } else {\n      this.undoManager_.addCommandToHistory(cmd);\n    }\n  }\n}\n/**\n * @memberof module:history.HistoryRecordingService\n * @property {module:history.HistoryRecordingService} NO_HISTORY - Singleton that can be passed to functions that record history, but the caller requires that no history be recorded.\n */\nHistoryRecordingService.NO_HISTORY = new HistoryRecordingService();\nexport default HistoryRecordingService;\n","/* globals jQuery */\n/**\n * Tools for drawing\n * @module draw\n * @license MIT\n * @copyright 2011 Jeff Schiller\n */\n\nimport Layer from './layer.js';\nimport HistoryRecordingService from './historyrecording.js';\n\nimport {NS} from './namespaces.js';\nimport {isOpera} from './browser.js';\nimport {\n  toXml, getElem,\n  copyElem as utilCopyElem\n} from './utilities.js';\nimport {\n  BatchCommand, RemoveElementCommand, MoveElementCommand, ChangeElementCommand\n} from './history.js';\n\nconst $ = jQuery;\n\nconst visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use'.split(',');\n\nconst RandomizeModes = {\n  LET_DOCUMENT_DECIDE: 0,\n  ALWAYS_RANDOMIZE: 1,\n  NEVER_RANDOMIZE: 2\n};\nlet randIds = RandomizeModes.LET_DOCUMENT_DECIDE;\n// Array with current disabled elements (for in-group editing)\nlet disabledElems = [];\n\n/**\n * Get a HistoryRecordingService.\n * @param {module:history.HistoryRecordingService} [hrService] - if exists, return it instead of creating a new service.\n * @returns {module:history.HistoryRecordingService}\n */\nfunction historyRecordingService (hrService) {\n  return hrService || new HistoryRecordingService(canvas_.undoMgr);\n}\n\n/**\n * Find the layer name in a group element.\n * @param {Element} group The group element to search in.\n * @returns {string} The layer name or empty string.\n */\nfunction findLayerNameInGroup (group) {\n  return $('title', group).text() ||\n    (isOpera() && group.querySelectorAll\n      // Hack for Opera 10.60\n      ? $(group.querySelectorAll('title')).text()\n      : '');\n}\n\n/**\n * Given a set of names, return a new unique name.\n * @param {string[]} existingLayerNames - Existing layer names.\n * @returns {string} - The new name.\n */\nfunction getNewLayerName (existingLayerNames) {\n  let i = 1;\n  // TODO(codedread): What about internationalization of \"Layer\"?\n  while (existingLayerNames.includes(('Layer ' + i))) { i++; }\n  return 'Layer ' + i;\n}\n\n/**\n * This class encapsulates the concept of a SVG-edit drawing\n */\nexport class Drawing {\n  /**\n  * @param {SVGSVGElement} svgElem - The SVG DOM Element that this JS object\n  *     encapsulates.  If the svgElem has a se:nonce attribute on it, then\n  *     IDs will use the nonce as they are generated.\n  * @param {string} [optIdPrefix=svg_] - The ID prefix to use.\n  * @throws {Error} If not initialized with an SVG element\n  */\n  constructor (svgElem, optIdPrefix) {\n    if (!svgElem || !svgElem.tagName || !svgElem.namespaceURI ||\n      svgElem.tagName !== 'svg' || svgElem.namespaceURI !== NS.SVG) {\n      throw new Error('Error: svgedit.draw.Drawing instance initialized without a <svg> element');\n    }\n\n    /**\n    * The SVG DOM Element that represents this drawing.\n    * @type {SVGSVGElement}\n    */\n    this.svgElem_ = svgElem;\n\n    /**\n    * The latest object number used in this drawing.\n    * @type {Integer}\n    */\n    this.obj_num = 0;\n\n    /**\n    * The prefix to prepend to each element id in the drawing.\n    * @type {string}\n    */\n    this.idPrefix = optIdPrefix || 'svg_';\n\n    /**\n    * An array of released element ids to immediately reuse.\n    * @type {Integer[]}\n    */\n    this.releasedNums = [];\n\n    /**\n    * The z-ordered array of Layer objects. Each layer has a name\n    * and group element.\n    * The first layer is the one at the bottom of the rendering.\n    * @type {Layer[]}\n    */\n    this.all_layers = [];\n\n    /**\n    * Map of all_layers by name.\n    *\n    * Note: Layers are ordered, but referenced externally by name; so, we need both container\n    * types depending on which function is called (i.e. all_layers and layer_map).\n    *\n    * @type {PlainObject.<string, Layer>}\n    */\n    this.layer_map = {};\n\n    /**\n    * The current layer being used.\n    * @type {Layer}\n    */\n    this.current_layer = null;\n\n    /**\n    * The nonce to use to uniquely identify elements across drawings.\n    * @type {!String}\n    */\n    this.nonce_ = '';\n    const n = this.svgElem_.getAttributeNS(NS.SE, 'nonce');\n    // If already set in the DOM, use the nonce throughout the document\n    // else, if randomizeIds(true) has been called, create and set the nonce.\n    if (!!n && randIds !== RandomizeModes.NEVER_RANDOMIZE) {\n      this.nonce_ = n;\n    } else if (randIds === RandomizeModes.ALWAYS_RANDOMIZE) {\n      this.setNonce(Math.floor(Math.random() * 100001));\n    }\n  }\n\n  /**\n   * @param {string} id Element ID to retrieve\n   * @returns {Element} SVG element within the root SVGSVGElement\n  */\n  getElem_ (id) {\n    if (this.svgElem_.querySelector) {\n      // querySelector lookup\n      return this.svgElem_.querySelector('#' + id);\n    }\n    // jQuery lookup: twice as slow as xpath in FF\n    return $(this.svgElem_).find('[id=' + id + ']')[0];\n  }\n\n  /**\n   * @returns {SVGSVGElement}\n   */\n  getSvgElem () {\n    return this.svgElem_;\n  }\n\n  /**\n   * @returns {!(string|Integer)} The previously set nonce\n   */\n  getNonce () {\n    return this.nonce_;\n  }\n\n  /**\n   * @param {!(string|Integer)} n The nonce to set\n   * @returns {undefined}\n   */\n  setNonce (n) {\n    this.svgElem_.setAttributeNS(NS.XMLNS, 'xmlns:se', NS.SE);\n    this.svgElem_.setAttributeNS(NS.SE, 'se:nonce', n);\n    this.nonce_ = n;\n  }\n\n  /**\n   * Clears any previously set nonce\n   * @returns {undefined}\n   */\n  clearNonce () {\n    // We deliberately leave any se:nonce attributes alone,\n    // we just don't use it to randomize ids.\n    this.nonce_ = '';\n  }\n\n  /**\n   * Returns the latest object id as a string.\n   * @returns {string} The latest object Id.\n   */\n  getId () {\n    return this.nonce_\n      ? this.idPrefix + this.nonce_ + '_' + this.obj_num\n      : this.idPrefix + this.obj_num;\n  }\n\n  /**\n   * Returns the next object Id as a string.\n   * @returns {string} The next object Id to use.\n   */\n  getNextId () {\n    const oldObjNum = this.obj_num;\n    let restoreOldObjNum = false;\n\n    // If there are any released numbers in the release stack,\n    // use the last one instead of the next obj_num.\n    // We need to temporarily use obj_num as that is what getId() depends on.\n    if (this.releasedNums.length > 0) {\n      this.obj_num = this.releasedNums.pop();\n      restoreOldObjNum = true;\n    } else {\n      // If we are not using a released id, then increment the obj_num.\n      this.obj_num++;\n    }\n\n    // Ensure the ID does not exist.\n    let id = this.getId();\n    while (this.getElem_(id)) {\n      if (restoreOldObjNum) {\n        this.obj_num = oldObjNum;\n        restoreOldObjNum = false;\n      }\n      this.obj_num++;\n      id = this.getId();\n    }\n    // Restore the old object number if required.\n    if (restoreOldObjNum) {\n      this.obj_num = oldObjNum;\n    }\n    return id;\n  }\n\n  /**\n   * Releases the object Id, letting it be used as the next id in getNextId().\n   * This method DOES NOT remove any elements from the DOM, it is expected\n   * that client code will do this.\n   * @param {string} id - The id to release.\n   * @returns {boolean} True if the id was valid to be released, false otherwise.\n  */\n  releaseId (id) {\n    // confirm if this is a valid id for this Document, else return false\n    const front = this.idPrefix + (this.nonce_ ? this.nonce_ + '_' : '');\n    if (typeof id !== 'string' || !id.startsWith(front)) {\n      return false;\n    }\n    // extract the obj_num of this id\n    const num = parseInt(id.substr(front.length), 10);\n\n    // if we didn't get a positive number or we already released this number\n    // then return false.\n    if (typeof num !== 'number' || num <= 0 || this.releasedNums.includes(num)) {\n      return false;\n    }\n\n    // push the released number into the released queue\n    this.releasedNums.push(num);\n\n    return true;\n  }\n\n  /**\n   * Returns the number of layers in the current drawing.\n   * @returns {Integer} The number of layers in the current drawing.\n  */\n  getNumLayers () {\n    return this.all_layers.length;\n  }\n\n  /**\n   * Check if layer with given name already exists\n   * @param {string} name - The layer name to check\n   * @returns {boolean}\n  */\n  hasLayer (name) {\n    return this.layer_map[name] !== undefined;\n  }\n\n  /**\n   * Returns the name of the ith layer. If the index is out of range, an empty string is returned.\n   * @param {Integer} i - The zero-based index of the layer you are querying.\n   * @returns {string} The name of the ith layer (or the empty string if none found)\n  */\n  getLayerName (i) {\n    return i >= 0 && i < this.getNumLayers() ? this.all_layers[i].getName() : '';\n  }\n\n  /**\n   * @returns {SVGGElement|null} The SVGGElement representing the current layer.\n   */\n  getCurrentLayer () {\n    return this.current_layer ? this.current_layer.getGroup() : null;\n  }\n\n  /**\n   * Get a layer by name.\n   * @returns {SVGGElement} The SVGGElement representing the named layer or null.\n   */\n  getLayerByName (name) {\n    const layer = this.layer_map[name];\n    return layer ? layer.getGroup() : null;\n  }\n\n  /**\n   * Returns the name of the currently selected layer. If an error occurs, an empty string\n   * is returned.\n   * @returns {string} The name of the currently active layer (or the empty string if none found).\n  */\n  getCurrentLayerName () {\n    return this.current_layer ? this.current_layer.getName() : '';\n  }\n\n  /**\n   * Set the current layer's name.\n   * @param {string} name - The new name.\n   * @param {module:history.HistoryRecordingService} hrService - History recording service\n   * @returns {string|null} The new name if changed; otherwise, null.\n   */\n  setCurrentLayerName (name, hrService) {\n    let finalName = null;\n    if (this.current_layer) {\n      const oldName = this.current_layer.getName();\n      finalName = this.current_layer.setName(name, hrService);\n      if (finalName) {\n        delete this.layer_map[oldName];\n        this.layer_map[finalName] = this.current_layer;\n      }\n    }\n    return finalName;\n  }\n\n  /**\n   * Set the current layer's position.\n   * @param {Integer} newpos - The zero-based index of the new position of the layer. Range should be 0 to layers-1\n   * @returns {{title: SVGGElement, previousName: string}|null} If the name was changed, returns {title:SVGGElement, previousName:string}; otherwise null.\n   */\n  setCurrentLayerPosition (newpos) {\n    const layerCount = this.getNumLayers();\n    if (!this.current_layer || newpos < 0 || newpos >= layerCount) {\n      return null;\n    }\n\n    let oldpos;\n    for (oldpos = 0; oldpos < layerCount; ++oldpos) {\n      if (this.all_layers[oldpos] === this.current_layer) { break; }\n    }\n    // some unknown error condition (current_layer not in all_layers)\n    if (oldpos === layerCount) { return null; }\n\n    if (oldpos !== newpos) {\n      // if our new position is below us, we need to insert before the node after newpos\n      const currentGroup = this.current_layer.getGroup();\n      const oldNextSibling = currentGroup.nextSibling;\n\n      let refGroup = null;\n      if (newpos > oldpos) {\n        if (newpos < layerCount - 1) {\n          refGroup = this.all_layers[newpos + 1].getGroup();\n        }\n      // if our new position is above us, we need to insert before the node at newpos\n      } else {\n        refGroup = this.all_layers[newpos].getGroup();\n      }\n      this.svgElem_.insertBefore(currentGroup, refGroup); // Ok to replace with `refGroup.before(currentGroup);`?\n\n      this.identifyLayers();\n      this.setCurrentLayer(this.getLayerName(newpos));\n\n      return {\n        currentGroup,\n        oldNextSibling\n      };\n    }\n    return null;\n  }\n\n  /**\n  * @param {module:history.HistoryRecordingService} hrService\n  * @returns {undefined}\n  */\n  mergeLayer (hrService) {\n    const currentGroup = this.current_layer.getGroup();\n    const prevGroup = $(currentGroup).prev()[0];\n    if (!prevGroup) { return; }\n\n    hrService.startBatchCommand('Merge Layer');\n\n    const layerNextSibling = currentGroup.nextSibling;\n    hrService.removeElement(currentGroup, layerNextSibling, this.svgElem_);\n\n    while (currentGroup.firstChild) {\n      const child = currentGroup.firstChild;\n      if (child.localName === 'title') {\n        hrService.removeElement(child, child.nextSibling, currentGroup);\n        child.remove();\n        continue;\n      }\n      const oldNextSibling = child.nextSibling;\n      prevGroup.append(child);\n      hrService.moveElement(child, oldNextSibling, currentGroup);\n    }\n\n    // Remove current layer's group\n    this.current_layer.removeGroup();\n    // Remove the current layer and set the previous layer as the new current layer\n    const index = this.all_layers.indexOf(this.current_layer);\n    if (index > 0) {\n      const name = this.current_layer.getName();\n      this.current_layer = this.all_layers[index - 1];\n      this.all_layers.splice(index, 1);\n      delete this.layer_map[name];\n    }\n\n    hrService.endBatchCommand();\n  }\n\n  /**\n  * @param {module:history.HistoryRecordingService} hrService\n  * @returns {undefined}\n  */\n  mergeAllLayers (hrService) {\n    // Set the current layer to the last layer.\n    this.current_layer = this.all_layers[this.all_layers.length - 1];\n\n    hrService.startBatchCommand('Merge all Layers');\n    while (this.all_layers.length > 1) {\n      this.mergeLayer(hrService);\n    }\n    hrService.endBatchCommand();\n  }\n\n  /**\n   * Sets the current layer. If the name is not a valid layer name, then this\n   * function returns `false`. Otherwise it returns `true`. This is not an\n   * undo-able action.\n   * @param {string} name - The name of the layer you want to switch to.\n   * @returns {boolean} `true` if the current layer was switched, otherwise `false`\n   */\n  setCurrentLayer (name) {\n    const layer = this.layer_map[name];\n    if (layer) {\n      if (this.current_layer) {\n        this.current_layer.deactivate();\n      }\n      this.current_layer = layer;\n      this.current_layer.activate();\n      return true;\n    }\n    return false;\n  }\n\n  /**\n   * Deletes the current layer from the drawing and then clears the selection.\n   * This function then calls the 'changed' handler.  This is an undoable action.\n   * @todo Does this actually call the 'changed' handler?\n   * @returns {SVGGElement} The SVGGElement of the layer removed or null.\n   */\n  deleteCurrentLayer () {\n    if (this.current_layer && this.getNumLayers() > 1) {\n      const oldLayerGroup = this.current_layer.removeGroup();\n      this.identifyLayers();\n      return oldLayerGroup;\n    }\n    return null;\n  }\n\n  /**\n   * Updates layer system and sets the current layer to the\n   * top-most layer (last `<g>` child of this drawing).\n   * @returns {undefined}\n  */\n  identifyLayers () {\n    this.all_layers = [];\n    this.layer_map = {};\n    const numchildren = this.svgElem_.childNodes.length;\n    // loop through all children of SVG element\n    const orphans = [], layernames = [];\n    let layer = null;\n    let childgroups = false;\n    for (let i = 0; i < numchildren; ++i) {\n      const child = this.svgElem_.childNodes.item(i);\n      // for each g, find its layer name\n      if (child && child.nodeType === 1) {\n        if (child.tagName === 'g') {\n          childgroups = true;\n          const name = findLayerNameInGroup(child);\n          if (name) {\n            layernames.push(name);\n            layer = new Layer(name, child);\n            this.all_layers.push(layer);\n            this.layer_map[name] = layer;\n          } else {\n            // if group did not have a name, it is an orphan\n            orphans.push(child);\n          }\n        } else if (visElems.includes(child.nodeName)) {\n          // Child is \"visible\" (i.e. not a <title> or <defs> element), so it is an orphan\n          orphans.push(child);\n        }\n      }\n    }\n\n    // If orphans or no layers found, create a new layer and add all the orphans to it\n    if (orphans.length > 0 || !childgroups) {\n      layer = new Layer(getNewLayerName(layernames), null, this.svgElem_);\n      layer.appendChildren(orphans);\n      this.all_layers.push(layer);\n      this.layer_map[name] = layer;\n    } else {\n      layer.activate();\n    }\n    this.current_layer = layer;\n  }\n\n  /**\n   * Creates a new top-level layer in the drawing with the given name and\n   * makes it the current layer.\n   * @param {string} name - The given name. If the layer name exists, a new name will be generated.\n   * @param {module:history.HistoryRecordingService} hrService - History recording service\n   * @returns {SVGGElement} The SVGGElement of the new layer, which is\n   *     also the current layer of this drawing.\n  */\n  createLayer (name, hrService) {\n    if (this.current_layer) {\n      this.current_layer.deactivate();\n    }\n    // Check for duplicate name.\n    if (name === undefined || name === null || name === '' || this.layer_map[name]) {\n      name = getNewLayerName(Object.keys(this.layer_map));\n    }\n\n    // Crate new layer and add to DOM as last layer\n    const layer = new Layer(name, null, this.svgElem_);\n    // Like to assume hrService exists, but this is backwards compatible with old version of createLayer.\n    if (hrService) {\n      hrService.startBatchCommand('Create Layer');\n      hrService.insertElement(layer.getGroup());\n      hrService.endBatchCommand();\n    }\n\n    this.all_layers.push(layer);\n    this.layer_map[name] = layer;\n    this.current_layer = layer;\n    return layer.getGroup();\n  }\n\n  /**\n   * Creates a copy of the current layer with the given name and makes it the current layer.\n   * @param {string} name - The given name. If the layer name exists, a new name will be generated.\n   * @param {module:history.HistoryRecordingService} hrService - History recording service\n   * @returns {SVGGElement} The SVGGElement of the new layer, which is\n   *     also the current layer of this drawing.\n  */\n  cloneLayer (name, hrService) {\n    if (!this.current_layer) { return null; }\n    this.current_layer.deactivate();\n    // Check for duplicate name.\n    if (name === undefined || name === null || name === '' || this.layer_map[name]) {\n      name = getNewLayerName(Object.keys(this.layer_map));\n    }\n\n    // Create new group and add to DOM just after current_layer\n    const currentGroup = this.current_layer.getGroup();\n    const layer = new Layer(name, currentGroup, this.svgElem_);\n    const group = layer.getGroup();\n\n    // Clone children\n    const children = currentGroup.childNodes;\n    for (let index = 0; index < children.length; index++) {\n      const ch = children[index];\n      if (ch.localName === 'title') { continue; }\n      group.append(this.copyElem(ch));\n    }\n\n    if (hrService) {\n      hrService.startBatchCommand('Duplicate Layer');\n      hrService.insertElement(group);\n      hrService.endBatchCommand();\n    }\n\n    // Update layer containers and current_layer.\n    const index = this.all_layers.indexOf(this.current_layer);\n    if (index >= 0) {\n      this.all_layers.splice(index + 1, 0, layer);\n    } else {\n      this.all_layers.push(layer);\n    }\n    this.layer_map[name] = layer;\n    this.current_layer = layer;\n    return group;\n  }\n\n  /**\n   * Returns whether the layer is visible.  If the layer name is not valid,\n   * then this function returns `false`.\n   * @param {string} layerName - The name of the layer which you want to query.\n   * @returns {boolean} The visibility state of the layer, or `false` if the layer name was invalid.\n  */\n  getLayerVisibility (layerName) {\n    const layer = this.layer_map[layerName];\n    return layer ? layer.isVisible() : false;\n  }\n\n  /**\n   * Sets the visibility of the layer. If the layer name is not valid, this\n   * function returns `null`, otherwise it returns the `SVGElement` representing\n   * the layer. This is an undo-able action.\n   * @param {string} layerName - The name of the layer to change the visibility\n   * @param {boolean} bVisible - Whether the layer should be visible\n   * @returns {?SVGGElement} The SVGGElement representing the layer if the\n   *   `layerName` was valid, otherwise `null`.\n  */\n  setLayerVisibility (layerName, bVisible) {\n    if (typeof bVisible !== 'boolean') {\n      return null;\n    }\n    const layer = this.layer_map[layerName];\n    if (!layer) { return null; }\n    layer.setVisible(bVisible);\n    return layer.getGroup();\n  }\n\n  /**\n   * Returns the opacity of the given layer.  If the input name is not a layer, `null` is returned.\n   * @param {string} layerName - name of the layer on which to get the opacity\n   * @returns {?Float} The opacity value of the given layer.  This will be a value between 0.0 and 1.0, or `null`\n   * if `layerName` is not a valid layer\n  */\n  getLayerOpacity (layerName) {\n    const layer = this.layer_map[layerName];\n    if (!layer) { return null; }\n    return layer.getOpacity();\n  }\n\n  /**\n   * Sets the opacity of the given layer.  If the input name is not a layer,\n   * nothing happens. If opacity is not a value between 0.0 and 1.0, then\n   * nothing happens.\n   * NOTE: this function exists solely to apply a highlighting/de-emphasis\n   * effect to a layer. When it is possible for a user to affect the opacity\n   * of a layer, we will need to allow this function to produce an undo-able\n   * action.\n   * @param {string} layerName - Name of the layer on which to set the opacity\n   * @param {Float} opacity - A float value in the range 0.0-1.0\n   * @returns {undefined}\n  */\n  setLayerOpacity (layerName, opacity) {\n    if (typeof opacity !== 'number' || opacity < 0.0 || opacity > 1.0) {\n      return;\n    }\n    const layer = this.layer_map[layerName];\n    if (layer) {\n      layer.setOpacity(opacity);\n    }\n  }\n\n  /**\n   * Create a clone of an element, updating its ID and its children's IDs when needed\n   * @param {Element} el - DOM element to clone\n   * @returns {Element}\n   */\n  copyElem (el) {\n    const self = this;\n    const getNextIdClosure = function () { return self.getNextId(); };\n    return utilCopyElem(el, getNextIdClosure);\n  }\n}\n\n/**\n * Called to ensure that drawings will or will not have randomized ids.\n * The currentDrawing will have its nonce set if it doesn't already.\n * @function module:draw.randomizeIds\n * @param {boolean} enableRandomization - flag indicating if documents should have randomized ids\n * @param {draw.Drawing} currentDrawing\n * @returns {undefined}\n */\nexport const randomizeIds = function (enableRandomization, currentDrawing) {\n  randIds = enableRandomization === false\n    ? RandomizeModes.NEVER_RANDOMIZE\n    : RandomizeModes.ALWAYS_RANDOMIZE;\n\n  if (randIds === RandomizeModes.ALWAYS_RANDOMIZE && !currentDrawing.getNonce()) {\n    currentDrawing.setNonce(Math.floor(Math.random() * 100001));\n  } else if (randIds === RandomizeModes.NEVER_RANDOMIZE && currentDrawing.getNonce()) {\n    currentDrawing.clearNonce();\n  }\n};\n\n// Layer API Functions\n\n/**\n* Group: Layers\n*/\n\n/**\n * @see {@link https://api.jquery.com/jQuery.data/}\n * @name external:jQuery.data\n */\n\n/**\n * @interface module:draw.DrawCanvasInit\n * @property {module:path.pathActions} pathActions\n * @property {external:jQuery.data} elData\n * @property {module:history.UndoManager} undoMgr\n */\n/**\n * @function module:draw.DrawCanvasInit#getCurrentGroup\n * @returns {Element}\n */\n/**\n * @function module:draw.DrawCanvasInit#setCurrentGroup\n * @param {Element} cg\n * @returns {undefined}\n*/\n/**\n * @function module:draw.DrawCanvasInit#getSelectedElements\n * @returns {Element[]} the array with selected DOM elements\n*/\n/**\n * @function module:draw.DrawCanvasInit#getSVGContent\n * @returns {SVGSVGElement}\n */\n/**\n * @function module:draw.DrawCanvasInit#getCurrentDrawing\n * @returns {module:draw.Drawing}\n */\n/**\n * @function module:draw.DrawCanvasInit#clearSelection\n * @param {boolean} [noCall] - When `true`, does not call the \"selected\" handler\n * @returns {undefined}\n*/\n/**\n * Run the callback function associated with the given event\n * @function module:draw.DrawCanvasInit#call\n * @param {\"changed\"|\"contextset\"} ev - String with the event name\n * @param {module:svgcanvas.SvgCanvas#event:changed|module:svgcanvas.SvgCanvas#event:contextset} arg - Argument to pass through to the callback\n * function. If the event is \"changed\", a (single-item) array of `Element`s is\n * passed. If the event is \"contextset\", the arg is `null` or `Element`.\n * @returns {undefined}\n */\n/**\n * @function module:draw.DrawCanvasInit#addCommandToHistory\n * @param {Command} cmd\n * @returns {undefined}\n*/\n/**\n * @function module:draw.DrawCanvasInit#changeSVGContent\n * @returns {undefined}\n */\n\nlet canvas_;\n/**\n* @function module:draw.init\n* @param {module:draw.DrawCanvasInit} canvas\n* @returns {undefined}\n*/\nexport const init = function (canvas) {\n  canvas_ = canvas;\n};\n\n/**\n* Updates layer system\n* @function module:draw.identifyLayers\n* @returns {undefined}\n*/\nexport const identifyLayers = function () {\n  leaveContext();\n  canvas_.getCurrentDrawing().identifyLayers();\n};\n\n/**\n* Creates a new top-level layer in the drawing with the given name, sets the current layer\n* to it, and then clears the selection. This function then calls the 'changed' handler.\n* This is an undoable action.\n* @function module:draw.createLayer\n* @param {string} name - The given name\n* @param {module:history.HistoryRecordingService} hrService\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nexport const createLayer = function (name, hrService) {\n  const newLayer = canvas_.getCurrentDrawing().createLayer(\n    name,\n    historyRecordingService(hrService)\n  );\n  canvas_.clearSelection();\n  canvas_.call('changed', [newLayer]);\n};\n\n/**\n * Creates a new top-level layer in the drawing with the given name, copies all the current layer's contents\n * to it, and then clears the selection. This function then calls the 'changed' handler.\n * This is an undoable action.\n * @function module:draw.cloneLayer\n * @param {string} name - The given name. If the layer name exists, a new name will be generated.\n * @param {module:history.HistoryRecordingService} hrService - History recording service\n * @fires module:svgcanvas.SvgCanvas#event:changed\n * @returns {undefined}\n */\nexport const cloneLayer = function (name, hrService) {\n  // Clone the current layer and make the cloned layer the new current layer\n  const newLayer = canvas_.getCurrentDrawing().cloneLayer(name, historyRecordingService(hrService));\n\n  canvas_.clearSelection();\n  leaveContext();\n  canvas_.call('changed', [newLayer]);\n};\n\n/**\n* Deletes the current layer from the drawing and then clears the selection. This function\n* then calls the 'changed' handler. This is an undoable action.\n* @function module:draw.deleteCurrentLayer\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {boolean} `true` if an old layer group was found to delete\n*/\nexport const deleteCurrentLayer = function () {\n  let currentLayer = canvas_.getCurrentDrawing().getCurrentLayer();\n  const {nextSibling} = currentLayer;\n  const parent = currentLayer.parentNode;\n  currentLayer = canvas_.getCurrentDrawing().deleteCurrentLayer();\n  if (currentLayer) {\n    const batchCmd = new BatchCommand('Delete Layer');\n    // store in our Undo History\n    batchCmd.addSubCommand(new RemoveElementCommand(currentLayer, nextSibling, parent));\n    canvas_.addCommandToHistory(batchCmd);\n    canvas_.clearSelection();\n    canvas_.call('changed', [parent]);\n    return true;\n  }\n  return false;\n};\n\n/**\n* Sets the current layer. If the name is not a valid layer name, then this function returns\n* false. Otherwise it returns true. This is not an undo-able action.\n* @function module:draw.setCurrentLayer\n* @param {string} name - The name of the layer you want to switch to.\n* @returns {boolean} true if the current layer was switched, otherwise false\n*/\nexport const setCurrentLayer = function (name) {\n  const result = canvas_.getCurrentDrawing().setCurrentLayer(toXml(name));\n  if (result) {\n    canvas_.clearSelection();\n  }\n  return result;\n};\n\n/**\n* Renames the current layer. If the layer name is not valid (i.e. unique), then this function\n* does nothing and returns `false`, otherwise it returns `true`. This is an undo-able action.\n* @function module:draw.renameCurrentLayer\n* @param {string} newName - the new name you want to give the current layer. This name must\n* be unique among all layer names.\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {boolean} Whether the rename succeeded\n*/\nexport const renameCurrentLayer = function (newName) {\n  const drawing = canvas_.getCurrentDrawing();\n  const layer = drawing.getCurrentLayer();\n  if (layer) {\n    const result = drawing.setCurrentLayerName(newName, historyRecordingService());\n    if (result) {\n      canvas_.call('changed', [layer]);\n      return true;\n    }\n  }\n  return false;\n};\n\n/**\n* Changes the position of the current layer to the new value. If the new index is not valid,\n* this function does nothing and returns false, otherwise it returns true. This is an\n* undo-able action.\n* @function module:draw.setCurrentLayerPosition\n* @param {Integer} newPos - The zero-based index of the new position of the layer. This should be between\n* 0 and (number of layers - 1)\n* @returns {boolean} `true` if the current layer position was changed, `false` otherwise.\n*/\nexport const setCurrentLayerPosition = function (newPos) {\n  const drawing = canvas_.getCurrentDrawing();\n  const result = drawing.setCurrentLayerPosition(newPos);\n  if (result) {\n    canvas_.addCommandToHistory(new MoveElementCommand(result.currentGroup, result.oldNextSibling, canvas_.getSVGContent()));\n    return true;\n  }\n  return false;\n};\n\n/**\n* Sets the visibility of the layer. If the layer name is not valid, this function return\n* `false`, otherwise it returns `true`. This is an undo-able action.\n* @function module:draw.setLayerVisibility\n* @param {string} layerName - The name of the layer to change the visibility\n* @param {boolean} bVisible - Whether the layer should be visible\n* @returns {boolean} true if the layer's visibility was set, false otherwise\n*/\nexport const setLayerVisibility = function (layerName, bVisible) {\n  const drawing = canvas_.getCurrentDrawing();\n  const prevVisibility = drawing.getLayerVisibility(layerName);\n  const layer = drawing.setLayerVisibility(layerName, bVisible);\n  if (layer) {\n    const oldDisplay = prevVisibility ? 'inline' : 'none';\n    canvas_.addCommandToHistory(new ChangeElementCommand(layer, {display: oldDisplay}, 'Layer Visibility'));\n  } else {\n    return false;\n  }\n\n  if (layer === drawing.getCurrentLayer()) {\n    canvas_.clearSelection();\n    canvas_.pathActions.clear();\n  }\n  // call('changed', [selected]);\n  return true;\n};\n\n/**\n* Moves the selected elements to layerName. If the name is not a valid layer name, then `false`\n* is returned. Otherwise it returns `true`. This is an undo-able action.\n* @function module:draw.moveSelectedToLayer\n* @param {string} layerName - The name of the layer you want to which you want to move the selected elements\n* @returns {boolean} Whether the selected elements were moved to the layer.\n*/\nexport const moveSelectedToLayer = function (layerName) {\n  // find the layer\n  const drawing = canvas_.getCurrentDrawing();\n  const layer = drawing.getLayerByName(layerName);\n  if (!layer) { return false; }\n\n  const batchCmd = new BatchCommand('Move Elements to Layer');\n\n  // loop for each selected element and move it\n  const selElems = canvas_.getSelectedElements();\n  let i = selElems.length;\n  while (i--) {\n    const elem = selElems[i];\n    if (!elem) { continue; }\n    const oldNextSibling = elem.nextSibling;\n    // TODO: this is pretty brittle!\n    const oldLayer = elem.parentNode;\n    layer.append(elem);\n    batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldLayer));\n  }\n\n  canvas_.addCommandToHistory(batchCmd);\n\n  return true;\n};\n\n/**\n* @function module:draw.mergeLayer\n* @param {module:history.HistoryRecordingService} hrService\n* @returns {undefined}\n*/\nexport const mergeLayer = function (hrService) {\n  canvas_.getCurrentDrawing().mergeLayer(historyRecordingService(hrService));\n  canvas_.clearSelection();\n  leaveContext();\n  canvas_.changeSVGContent();\n};\n\n/**\n* @function module:draw.mergeAllLayers\n* @param {module:history.HistoryRecordingService} hrService\n* @returns {undefined}\n*/\nexport const mergeAllLayers = function (hrService) {\n  canvas_.getCurrentDrawing().mergeAllLayers(historyRecordingService(hrService));\n  canvas_.clearSelection();\n  leaveContext();\n  canvas_.changeSVGContent();\n};\n\n/**\n* Return from a group context to the regular kind, make any previously\n* disabled elements enabled again\n* @function module:draw.leaveContext\n* @fires module:svgcanvas.SvgCanvas#event:contextset\n* @returns {undefined}\n*/\nexport const leaveContext = function () {\n  const len = disabledElems.length;\n  if (len) {\n    for (let i = 0; i < len; i++) {\n      const elem = disabledElems[i];\n      const orig = canvas_.elData(elem, 'orig_opac');\n      if (orig !== 1) {\n        elem.setAttribute('opacity', orig);\n      } else {\n        elem.removeAttribute('opacity');\n      }\n      elem.setAttribute('style', 'pointer-events: inherit');\n    }\n    disabledElems = [];\n    canvas_.clearSelection(true);\n    canvas_.call('contextset', null);\n  }\n  canvas_.setCurrentGroup(null);\n};\n\n/**\n* Set the current context (for in-group editing)\n* @function module:draw.setContext\n* @param {Element} elem\n* @fires module:svgcanvas.SvgCanvas#event:contextset\n* @returns {undefined}\n*/\nexport const setContext = function (elem) {\n  leaveContext();\n  if (typeof elem === 'string') {\n    elem = getElem(elem);\n  }\n\n  // Edit inside this group\n  canvas_.setCurrentGroup(elem);\n\n  // Disable other elements\n  $(elem).parentsUntil('#svgcontent').andSelf().siblings().each(function () {\n    const opac = this.getAttribute('opacity') || 1;\n    // Store the original's opacity\n    canvas_.elData(this, 'orig_opac', opac);\n    this.setAttribute('opacity', opac * 0.33);\n    this.setAttribute('style', 'pointer-events: none');\n    disabledElems.push(this);\n  });\n\n  canvas_.clearSelection();\n  canvas_.call('contextset', canvas_.getCurrentGroup());\n};\n\n/**\n* @memberof module:draw\n* @class Layer\n* @see {@link module:layer.Layer}\n*/\nexport {Layer};\n","/**\n * Tools for SVG sanitization\n * @module sanitize\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport {getReverseNS, NS} from './namespaces.js';\nimport {isGecko} from './browser.js';\nimport {getHref, setHref, getUrlFromAttr} from './utilities.js';\n\nconst REVERSE_NS = getReverseNS();\n\n// this defines which elements and attributes that we support\nconst svgWhiteList_ = {\n  // SVG Elements\n  a: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'mask', 'opacity', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'xlink:href', 'xlink:title'],\n  circle: ['class', 'clip-path', 'clip-rule', 'cx', 'cy', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'mask', 'opacity', 'r', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  clipPath: ['class', 'clipPathUnits', 'id'],\n  defs: [],\n  style: ['type'],\n  desc: [],\n  ellipse: ['class', 'clip-path', 'clip-rule', 'cx', 'cy', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'mask', 'opacity', 'requiredFeatures', 'rx', 'ry', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  feGaussianBlur: ['class', 'color-interpolation-filters', 'id', 'requiredFeatures', 'stdDeviation'],\n  filter: ['class', 'color-interpolation-filters', 'filterRes', 'filterUnits', 'height', 'id', 'primitiveUnits', 'requiredFeatures', 'width', 'x', 'xlink:href', 'y'],\n  foreignObject: ['class', 'font-size', 'height', 'id', 'opacity', 'requiredFeatures', 'style', 'transform', 'width', 'x', 'y'],\n  g: ['class', 'clip-path', 'clip-rule', 'id', 'display', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'font-family', 'font-size', 'font-style', 'font-weight', 'text-anchor'],\n  image: ['class', 'clip-path', 'clip-rule', 'filter', 'height', 'id', 'mask', 'opacity', 'requiredFeatures', 'style', 'systemLanguage', 'transform', 'width', 'x', 'xlink:href', 'xlink:title', 'y'],\n  line: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'x1', 'x2', 'y1', 'y2'],\n  linearGradient: ['class', 'id', 'gradientTransform', 'gradientUnits', 'requiredFeatures', 'spreadMethod', 'systemLanguage', 'x1', 'x2', 'xlink:href', 'y1', 'y2'],\n  marker: ['id', 'class', 'markerHeight', 'markerUnits', 'markerWidth', 'orient', 'preserveAspectRatio', 'refX', 'refY', 'systemLanguage', 'viewBox'],\n  mask: ['class', 'height', 'id', 'maskContentUnits', 'maskUnits', 'width', 'x', 'y'],\n  metadata: ['class', 'id'],\n  path: ['class', 'clip-path', 'clip-rule', 'd', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  pattern: ['class', 'height', 'id', 'patternContentUnits', 'patternTransform', 'patternUnits', 'requiredFeatures', 'style', 'systemLanguage', 'viewBox', 'width', 'x', 'xlink:href', 'y'],\n  polygon: ['class', 'clip-path', 'clip-rule', 'id', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'class', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'opacity', 'points', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  polyline: ['class', 'clip-path', 'clip-rule', 'id', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'opacity', 'points', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform'],\n  radialGradient: ['class', 'cx', 'cy', 'fx', 'fy', 'gradientTransform', 'gradientUnits', 'id', 'r', 'requiredFeatures', 'spreadMethod', 'systemLanguage', 'xlink:href'],\n  rect: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'height', 'id', 'mask', 'opacity', 'requiredFeatures', 'rx', 'ry', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'width', 'x', 'y'],\n  stop: ['class', 'id', 'offset', 'requiredFeatures', 'stop-color', 'stop-opacity', 'style', 'systemLanguage'],\n  svg: ['class', 'clip-path', 'clip-rule', 'filter', 'id', 'height', 'mask', 'preserveAspectRatio', 'requiredFeatures', 'style', 'systemLanguage', 'viewBox', 'width', 'x', 'xmlns', 'xmlns:se', 'xmlns:xlink', 'y'],\n  switch: ['class', 'id', 'requiredFeatures', 'systemLanguage'],\n  symbol: ['class', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'font-family', 'font-size', 'font-style', 'font-weight', 'id', 'opacity', 'preserveAspectRatio', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'viewBox'],\n  text: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'font-family', 'font-size', 'font-style', 'font-weight', 'id', 'mask', 'opacity', 'requiredFeatures', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'text-anchor', 'transform', 'x', 'xml:space', 'y'],\n  textPath: ['class', 'id', 'method', 'requiredFeatures', 'spacing', 'startOffset', 'style', 'systemLanguage', 'transform', 'xlink:href'],\n  title: [],\n  tspan: ['class', 'clip-path', 'clip-rule', 'dx', 'dy', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'font-family', 'font-size', 'font-style', 'font-weight', 'id', 'mask', 'opacity', 'requiredFeatures', 'rotate', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'text-anchor', 'textLength', 'transform', 'x', 'xml:space', 'y'],\n  use: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'height', 'id', 'mask', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'transform', 'width', 'x', 'xlink:href', 'y'],\n\n  // MathML Elements\n  annotation: ['encoding'],\n  'annotation-xml': ['encoding'],\n  maction: ['actiontype', 'other', 'selection'],\n  math: ['class', 'id', 'display', 'xmlns'],\n  menclose: ['notation'],\n  merror: [],\n  mfrac: ['linethickness'],\n  mi: ['mathvariant'],\n  mmultiscripts: [],\n  mn: [],\n  mo: ['fence', 'lspace', 'maxsize', 'minsize', 'rspace', 'stretchy'],\n  mover: [],\n  mpadded: ['lspace', 'width', 'height', 'depth', 'voffset'],\n  mphantom: [],\n  mprescripts: [],\n  mroot: [],\n  mrow: ['xlink:href', 'xlink:type', 'xmlns:xlink'],\n  mspace: ['depth', 'height', 'width'],\n  msqrt: [],\n  mstyle: ['displaystyle', 'mathbackground', 'mathcolor', 'mathvariant', 'scriptlevel'],\n  msub: [],\n  msubsup: [],\n  msup: [],\n  mtable: ['align', 'columnalign', 'columnlines', 'columnspacing', 'displaystyle', 'equalcolumns', 'equalrows', 'frame', 'rowalign', 'rowlines', 'rowspacing', 'width'],\n  mtd: ['columnalign', 'columnspan', 'rowalign', 'rowspan'],\n  mtext: [],\n  mtr: ['columnalign', 'rowalign'],\n  munder: [],\n  munderover: [],\n  none: [],\n  semantics: []\n};\n\n// Produce a Namespace-aware version of svgWhitelist\nconst svgWhiteListNS_ = {};\nObject.entries(svgWhiteList_).forEach(function ([elt, atts]) {\n  const attNS = {};\n  Object.entries(atts).forEach(function ([i, att]) {\n    if (att.includes(':')) {\n      const v = att.split(':');\n      attNS[v[1]] = NS[(v[0]).toUpperCase()];\n    } else {\n      attNS[att] = att === 'xmlns' ? NS.XMLNS : null;\n    }\n  });\n  svgWhiteListNS_[elt] = attNS;\n});\n\n/**\n* Sanitizes the input node and its children.\n* It only keeps what is allowed from our whitelist defined above.\n* @function module:sanitize.sanitizeSvg\n* @param {Text|Element} node - The DOM element to be checked (we'll also check its children) or text node to be cleaned up\n* @returns {undefined}\n*/\nexport const sanitizeSvg = function (node) {\n  // Cleanup text nodes\n  if (node.nodeType === 3) { // 3 === TEXT_NODE\n    // Trim whitespace\n    node.nodeValue = node.nodeValue.replace(/^\\s+|\\s+$/g, '');\n    // Remove if empty\n    if (!node.nodeValue.length) {\n      node.remove();\n    }\n  }\n\n  // We only care about element nodes.\n  // Automatically return for all non-element nodes, such as comments, etc.\n  if (node.nodeType !== 1) { // 1 == ELEMENT_NODE\n    return;\n  }\n\n  const doc = node.ownerDocument;\n  const parent = node.parentNode;\n  // can parent ever be null here?  I think the root node's parent is the document...\n  if (!doc || !parent) {\n    return;\n  }\n\n  const allowedAttrs = svgWhiteList_[node.nodeName];\n  const allowedAttrsNS = svgWhiteListNS_[node.nodeName];\n  // if this element is supported, sanitize it\n  if (typeof allowedAttrs !== 'undefined') {\n    const seAttrs = [];\n    let i = node.attributes.length;\n    while (i--) {\n      // if the attribute is not in our whitelist, then remove it\n      // could use jQuery's inArray(), but I don't know if that's any better\n      const attr = node.attributes.item(i);\n      const attrName = attr.nodeName;\n      const attrLocalName = attr.localName;\n      const attrNsURI = attr.namespaceURI;\n      // Check that an attribute with the correct localName in the correct namespace is on\n      // our whitelist or is a namespace declaration for one of our allowed namespaces\n      if (!(allowedAttrsNS.hasOwnProperty(attrLocalName) && attrNsURI === allowedAttrsNS[attrLocalName] && attrNsURI !== NS.XMLNS) &&\n        !(attrNsURI === NS.XMLNS && REVERSE_NS[attr.value])) {\n        // TODO(codedread): Programmatically add the se: attributes to the NS-aware whitelist.\n        // Bypassing the whitelist to allow se: prefixes.\n        // Is there a more appropriate way to do this?\n        if (attrName.startsWith('se:') || attrName.startsWith('data-')) {\n          seAttrs.push([attrName, attr.value]);\n        }\n        node.removeAttributeNS(attrNsURI, attrLocalName);\n      }\n\n      // Add spaces before negative signs where necessary\n      if (isGecko()) {\n        switch (attrName) {\n        case 'transform':\n        case 'gradientTransform':\n        case 'patternTransform':\n          const val = attr.value.replace(/(\\d)-/g, '$1 -');\n          node.setAttribute(attrName, val);\n          break;\n        }\n      }\n\n      // For the style attribute, rewrite it in terms of XML presentational attributes\n      if (attrName === 'style') {\n        const props = attr.value.split(';');\n        let p = props.length;\n        while (p--) {\n          const [name, val] = props[p].split(':');\n          const styleAttrName = (name || '').trim();\n          const styleAttrVal = (val || '').trim();\n          // Now check that this attribute is supported\n          if (allowedAttrs.includes(styleAttrName)) {\n            node.setAttribute(styleAttrName, styleAttrVal);\n          }\n        }\n        node.removeAttribute('style');\n      }\n    }\n\n    Object.values(seAttrs).forEach(([att, val]) => {\n      node.setAttributeNS(NS.SE, att, val);\n    });\n\n    // for some elements that have a xlink:href, ensure the URI refers to a local element\n    // (but not for links)\n    const href = getHref(node);\n    if (href &&\n      ['filter', 'linearGradient', 'pattern',\n        'radialGradient', 'textPath', 'use'].includes(node.nodeName)) {\n      // TODO: we simply check if the first character is a #, is this bullet-proof?\n      if (href[0] !== '#') {\n        // remove the attribute (but keep the element)\n        setHref(node, '');\n        node.removeAttributeNS(NS.XLINK, 'href');\n      }\n    }\n\n    // Safari crashes on a <use> without a xlink:href, so we just remove the node here\n    if (node.nodeName === 'use' && !getHref(node)) {\n      node.remove();\n      return;\n    }\n    // if the element has attributes pointing to a non-local reference,\n    // need to remove the attribute\n    Object.values(['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'], function (attr) {\n      let val = node.getAttribute(attr);\n      if (val) {\n        val = getUrlFromAttr(val);\n        // simply check for first character being a '#'\n        if (val && val[0] !== '#') {\n          node.setAttribute(attr, '');\n          node.removeAttribute(attr);\n        }\n      }\n    });\n\n    // recurse to children\n    i = node.childNodes.length;\n    while (i--) { sanitizeSvg(node.childNodes.item(i)); }\n  // else (element not supported), remove it\n  } else {\n    // remove all children from this node and insert them before this node\n    // FIXME: in the case of animation elements this will hardly ever be correct\n    const children = [];\n    while (node.hasChildNodes()) {\n      children.push(parent.insertBefore(node.firstChild, node));\n    }\n\n    // remove this node from the document altogether\n    node.remove();\n\n    // call sanitizeSvg on each of those children\n    let i = children.length;\n    while (i--) { sanitizeSvg(children[i]); }\n  }\n};\n","/* globals jQuery */\n/**\n * Recalculate.\n * @module recalculate\n * @license MIT\n */\n\nimport jqPluginSVG from './jQuery.attr.js'; // Needed for SVG attribute setting and array form with `attr`\nimport {NS} from './namespaces.js';\nimport {convertToNum} from './units.js';\nimport {isWebkit} from './browser.js';\nimport {getTransformList} from './svgtransformlist.js';\nimport {getRotationAngle, getHref, getBBox, getRefElem} from './utilities.js';\nimport {BatchCommand, ChangeElementCommand} from './history.js';\nimport {remapElement} from './coords.js';\nimport {\n  isIdentity, matrixMultiply, transformPoint, transformListToTransform,\n  hasMatrixTransform\n} from './math.js';\n\nconst $ = jqPluginSVG(jQuery);\n\nlet context_;\n\n/**\n* @interface module:recalculate.EditorContext\n*/\n/**\n * @function module:recalculate.EditorContext#getSVGRoot\n * @returns {SVGSVGElement} The root DOM element\n */\n/**\n * @function module:recalculate.EditorContext#getStartTransform\n * @returns {string}\n*/\n/**\n * @function module:recalculate.EditorContext#setStartTransform\n * @param {string} transform\n * @returns {undefined}\n */\n\n/**\n* @function module:recalculate.init\n* @param {module:recalculate.EditorContext} editorContext\n* @returns {undefined}\n*/\nexport const init = function (editorContext) {\n  context_ = editorContext;\n};\n\n/**\n* Updates a `<clipPath>`s values based on the given translation of an element\n* @function module:recalculate.updateClipPath\n* @param {string} attr - The clip-path attribute value with the clipPath's ID\n* @param {Float} tx - The translation's x value\n* @param {Float} ty - The translation's y value\n* @returns {undefined}\n*/\nexport const updateClipPath = function (attr, tx, ty) {\n  const path = getRefElem(attr).firstChild;\n  const cpXform = getTransformList(path);\n  const newxlate = context_.getSVGRoot().createSVGTransform();\n  newxlate.setTranslate(tx, ty);\n\n  cpXform.appendItem(newxlate);\n\n  // Update clipPath's dimensions\n  recalculateDimensions(path);\n};\n\n/**\n* Decides the course of action based on the element's transform list\n* @function module:recalculate.recalculateDimensions\n* @param {Element} selected - The DOM element to recalculate\n* @returns {Command} Undo command object with the resulting change\n*/\nexport const recalculateDimensions = function (selected) {\n  if (selected == null) { return null; }\n\n  // Firefox Issue - 1081\n  if (selected.nodeName === 'svg' && navigator.userAgent.includes('Firefox/20')) {\n    return null;\n  }\n\n  const svgroot = context_.getSVGRoot();\n  const tlist = getTransformList(selected);\n\n  // remove any unnecessary transforms\n  if (tlist && tlist.numberOfItems > 0) {\n    let k = tlist.numberOfItems;\n    const noi = k;\n    while (k--) {\n      const xform = tlist.getItem(k);\n      if (xform.type === 0) {\n        tlist.removeItem(k);\n      // remove identity matrices\n      } else if (xform.type === 1) {\n        if (isIdentity(xform.matrix)) {\n          if (noi === 1) {\n            // Overcome Chrome bug (though only when noi is 1) with\n            //    `removeItem` preventing `removeAttribute` from\n            //    subsequently working\n            // See https://bugs.chromium.org/p/chromium/issues/detail?id=843901\n            selected.removeAttribute('transform');\n            return null;\n          }\n          tlist.removeItem(k);\n        }\n      // remove zero-degree rotations\n      } else if (xform.type === 4) {\n        if (xform.angle === 0) {\n          tlist.removeItem(k);\n        }\n      }\n    }\n    // End here if all it has is a rotation\n    if (tlist.numberOfItems === 1 &&\n        getRotationAngle(selected)) { return null; }\n  }\n\n  // if this element had no transforms, we are done\n  if (!tlist || tlist.numberOfItems === 0) {\n    // Chrome apparently had a bug that requires clearing the attribute first.\n    selected.setAttribute('transform', '');\n    // However, this still next line currently doesn't work at all in Chrome\n    selected.removeAttribute('transform');\n    // selected.transform.baseVal.clear(); // Didn't help for Chrome bug\n    return null;\n  }\n\n  // TODO: Make this work for more than 2\n  if (tlist) {\n    let mxs = [];\n    let k = tlist.numberOfItems;\n    while (k--) {\n      const xform = tlist.getItem(k);\n      if (xform.type === 1) {\n        mxs.push([xform.matrix, k]);\n      } else if (mxs.length) {\n        mxs = [];\n      }\n    }\n    if (mxs.length === 2) {\n      const mNew = svgroot.createSVGTransformFromMatrix(matrixMultiply(mxs[1][0], mxs[0][0]));\n      tlist.removeItem(mxs[0][1]);\n      tlist.removeItem(mxs[1][1]);\n      tlist.insertItemBefore(mNew, mxs[1][1]);\n    }\n\n    // combine matrix + translate\n    k = tlist.numberOfItems;\n    if (k >= 2 && tlist.getItem(k - 2).type === 1 && tlist.getItem(k - 1).type === 2) {\n      const mt = svgroot.createSVGTransform();\n\n      const m = matrixMultiply(\n        tlist.getItem(k - 2).matrix,\n        tlist.getItem(k - 1).matrix);\n      mt.setMatrix(m);\n      tlist.removeItem(k - 2);\n      tlist.removeItem(k - 2);\n      tlist.appendItem(mt);\n    }\n  }\n\n  // If it still has a single [M] or [R][M], return null too (prevents BatchCommand from being returned).\n  switch (selected.tagName) {\n  // Ignore these elements, as they can absorb the [M]\n  case 'line':\n  case 'polyline':\n  case 'polygon':\n  case 'path':\n    break;\n  default:\n    if ((tlist.numberOfItems === 1 && tlist.getItem(0).type === 1) ||\n        (tlist.numberOfItems === 2 && tlist.getItem(0).type === 1 && tlist.getItem(0).type === 4)) {\n      return null;\n    }\n  }\n\n  // Grouped SVG element\n  const gsvg = $(selected).data('gsvg');\n\n  // we know we have some transforms, so set up return variable\n  const batchCmd = new BatchCommand('Transform');\n\n  // store initial values that will be affected by reducing the transform list\n  let changes = {};\n  let initial = null;\n  let attrs = [];\n  switch (selected.tagName) {\n  case 'line':\n    attrs = ['x1', 'y1', 'x2', 'y2'];\n    break;\n  case 'circle':\n    attrs = ['cx', 'cy', 'r'];\n    break;\n  case 'ellipse':\n    attrs = ['cx', 'cy', 'rx', 'ry'];\n    break;\n  case 'foreignObject':\n  case 'rect':\n  case 'image':\n    attrs = ['width', 'height', 'x', 'y'];\n    break;\n  case 'use':\n  case 'text':\n  case 'tspan':\n    attrs = ['x', 'y'];\n    break;\n  case 'polygon':\n  case 'polyline': {\n    initial = {};\n    initial.points = selected.getAttribute('points');\n    const list = selected.points;\n    const len = list.numberOfItems;\n    changes.points = new Array(len);\n    for (let i = 0; i < len; ++i) {\n      const pt = list.getItem(i);\n      changes.points[i] = {x: pt.x, y: pt.y};\n    }\n    break;\n  } case 'path':\n    initial = {};\n    initial.d = selected.getAttribute('d');\n    changes.d = selected.getAttribute('d');\n    break;\n  } // switch on element type to get initial values\n\n  if (attrs.length) {\n    changes = $(selected).attr(attrs);\n    $.each(changes, function (attr, val) {\n      changes[attr] = convertToNum(attr, val);\n    });\n  } else if (gsvg) {\n    // GSVG exception\n    changes = {\n      x: $(gsvg).attr('x') || 0,\n      y: $(gsvg).attr('y') || 0\n    };\n  }\n\n  // if we haven't created an initial array in polygon/polyline/path, then\n  // make a copy of initial values and include the transform\n  if (initial == null) {\n    initial = $.extend(true, {}, changes);\n    $.each(initial, function (attr, val) {\n      initial[attr] = convertToNum(attr, val);\n    });\n  }\n  // save the start transform value too\n  initial.transform = context_.getStartTransform() || '';\n\n  let oldcenter, newcenter;\n\n  // if it's a regular group, we have special processing to flatten transforms\n  if ((selected.tagName === 'g' && !gsvg) || selected.tagName === 'a') {\n    const box = getBBox(selected);\n\n    oldcenter = {x: box.x + box.width / 2, y: box.y + box.height / 2};\n    newcenter = transformPoint(\n      box.x + box.width / 2,\n      box.y + box.height / 2,\n      transformListToTransform(tlist).matrix\n    );\n    // let m = svgroot.createSVGMatrix();\n\n    // temporarily strip off the rotate and save the old center\n    const gangle = getRotationAngle(selected);\n    if (gangle) {\n      const a = gangle * Math.PI / 180;\n      let s;\n      if (Math.abs(a) > (1.0e-10)) {\n        s = Math.sin(a) / (1 - Math.cos(a));\n      } else {\n        // FIXME: This blows up if the angle is exactly 0!\n        s = 2 / a;\n      }\n      for (let i = 0; i < tlist.numberOfItems; ++i) {\n        const xform = tlist.getItem(i);\n        if (xform.type === 4) {\n          // extract old center through mystical arts\n          const rm = xform.matrix;\n          oldcenter.y = (s * rm.e + rm.f) / 2;\n          oldcenter.x = (rm.e - s * rm.f) / 2;\n          tlist.removeItem(i);\n          break;\n        }\n      }\n    }\n    const N = tlist.numberOfItems;\n    let tx = 0, ty = 0, operation = 0;\n\n    let firstM;\n    if (N) {\n      firstM = tlist.getItem(0).matrix;\n    }\n\n    let oldStartTransform;\n    // first, if it was a scale then the second-last transform will be it\n    if (N >= 3 && tlist.getItem(N - 2).type === 3 &&\n      tlist.getItem(N - 3).type === 2 && tlist.getItem(N - 1).type === 2) {\n      operation = 3; // scale\n\n      // if the children are unrotated, pass the scale down directly\n      // otherwise pass the equivalent matrix() down directly\n      const tm = tlist.getItem(N - 3).matrix,\n        sm = tlist.getItem(N - 2).matrix,\n        tmn = tlist.getItem(N - 1).matrix;\n\n      const children = selected.childNodes;\n      let c = children.length;\n      while (c--) {\n        const child = children.item(c);\n        tx = 0;\n        ty = 0;\n        if (child.nodeType === 1) {\n          const childTlist = getTransformList(child);\n\n          // some children might not have a transform (<metadata>, <defs>, etc)\n          if (!childTlist) { continue; }\n\n          const m = transformListToTransform(childTlist).matrix;\n\n          // Convert a matrix to a scale if applicable\n          // if (hasMatrixTransform(childTlist) && childTlist.numberOfItems == 1) {\n          //   if (m.b==0 && m.c==0 && m.e==0 && m.f==0) {\n          //     childTlist.removeItem(0);\n          //     const translateOrigin = svgroot.createSVGTransform(),\n          //       scale = svgroot.createSVGTransform(),\n          //       translateBack = svgroot.createSVGTransform();\n          //     translateOrigin.setTranslate(0, 0);\n          //     scale.setScale(m.a, m.d);\n          //     translateBack.setTranslate(0, 0);\n          //     childTlist.appendItem(translateBack);\n          //     childTlist.appendItem(scale);\n          //     childTlist.appendItem(translateOrigin);\n          //   }\n          // }\n\n          const angle = getRotationAngle(child);\n          oldStartTransform = context_.getStartTransform();\n          const childxforms = [];\n          context_.setStartTransform(child.getAttribute('transform'));\n          if (angle || hasMatrixTransform(childTlist)) {\n            const e2t = svgroot.createSVGTransform();\n            e2t.setMatrix(matrixMultiply(tm, sm, tmn, m));\n            childTlist.clear();\n            childTlist.appendItem(e2t);\n            childxforms.push(e2t);\n          // if not rotated or skewed, push the [T][S][-T] down to the child\n          } else {\n            // update the transform list with translate,scale,translate\n\n            // slide the [T][S][-T] from the front to the back\n            // [T][S][-T][M] = [M][T2][S2][-T2]\n\n            // (only bringing [-T] to the right of [M])\n            // [T][S][-T][M] = [T][S][M][-T2]\n            // [-T2] = [M_inv][-T][M]\n            const t2n = matrixMultiply(m.inverse(), tmn, m);\n            // [T2] is always negative translation of [-T2]\n            const t2 = svgroot.createSVGMatrix();\n            t2.e = -t2n.e;\n            t2.f = -t2n.f;\n\n            // [T][S][-T][M] = [M][T2][S2][-T2]\n            // [S2] = [T2_inv][M_inv][T][S][-T][M][-T2_inv]\n            const s2 = matrixMultiply(t2.inverse(), m.inverse(), tm, sm, tmn, m, t2n.inverse());\n\n            const translateOrigin = svgroot.createSVGTransform(),\n              scale = svgroot.createSVGTransform(),\n              translateBack = svgroot.createSVGTransform();\n            translateOrigin.setTranslate(t2n.e, t2n.f);\n            scale.setScale(s2.a, s2.d);\n            translateBack.setTranslate(t2.e, t2.f);\n            childTlist.appendItem(translateBack);\n            childTlist.appendItem(scale);\n            childTlist.appendItem(translateOrigin);\n            childxforms.push(translateBack);\n            childxforms.push(scale);\n            childxforms.push(translateOrigin);\n            // logMatrix(translateBack.matrix);\n            // logMatrix(scale.matrix);\n          } // not rotated\n          batchCmd.addSubCommand(recalculateDimensions(child));\n          // TODO: If any <use> have this group as a parent and are\n          // referencing this child, then we need to impose a reverse\n          // scale on it so that when it won't get double-translated\n          // const uses = selected.getElementsByTagNameNS(NS.SVG, 'use');\n          // const href = '#' + child.id;\n          // let u = uses.length;\n          // while (u--) {\n          //   const useElem = uses.item(u);\n          //   if (href == getHref(useElem)) {\n          //     const usexlate = svgroot.createSVGTransform();\n          //     usexlate.setTranslate(-tx,-ty);\n          //     getTransformList(useElem).insertItemBefore(usexlate,0);\n          //     batchCmd.addSubCommand( recalculateDimensions(useElem) );\n          //   }\n          // }\n          context_.setStartTransform(oldStartTransform);\n        } // element\n      } // for each child\n      // Remove these transforms from group\n      tlist.removeItem(N - 1);\n      tlist.removeItem(N - 2);\n      tlist.removeItem(N - 3);\n    } else if (N >= 3 && tlist.getItem(N - 1).type === 1) {\n      operation = 3; // scale\n      const m = transformListToTransform(tlist).matrix;\n      const e2t = svgroot.createSVGTransform();\n      e2t.setMatrix(m);\n      tlist.clear();\n      tlist.appendItem(e2t);\n    // next, check if the first transform was a translate\n    // if we had [ T1 ] [ M ] we want to transform this into [ M ] [ T2 ]\n    // therefore [ T2 ] = [ M_inv ] [ T1 ] [ M ]\n    } else if ((N === 1 || (N > 1 && tlist.getItem(1).type !== 3)) &&\n      tlist.getItem(0).type === 2) {\n      operation = 2; // translate\n      const T_M = transformListToTransform(tlist).matrix;\n      tlist.removeItem(0);\n      const mInv = transformListToTransform(tlist).matrix.inverse();\n      const M2 = matrixMultiply(mInv, T_M);\n\n      tx = M2.e;\n      ty = M2.f;\n\n      if (tx !== 0 || ty !== 0) {\n        // we pass the translates down to the individual children\n        const children = selected.childNodes;\n        let c = children.length;\n\n        const clipPathsDone = [];\n        while (c--) {\n          const child = children.item(c);\n          if (child.nodeType === 1) {\n            // Check if child has clip-path\n            if (child.getAttribute('clip-path')) {\n              // tx, ty\n              const attr = child.getAttribute('clip-path');\n              if (!clipPathsDone.includes(attr)) {\n                updateClipPath(attr, tx, ty);\n                clipPathsDone.push(attr);\n              }\n            }\n\n            oldStartTransform = context_.getStartTransform();\n            context_.setStartTransform(child.getAttribute('transform'));\n\n            const childTlist = getTransformList(child);\n            // some children might not have a transform (<metadata>, <defs>, etc)\n            if (childTlist) {\n              const newxlate = svgroot.createSVGTransform();\n              newxlate.setTranslate(tx, ty);\n              if (childTlist.numberOfItems) {\n                childTlist.insertItemBefore(newxlate, 0);\n              } else {\n                childTlist.appendItem(newxlate);\n              }\n              batchCmd.addSubCommand(recalculateDimensions(child));\n              // If any <use> have this group as a parent and are\n              // referencing this child, then impose a reverse translate on it\n              // so that when it won't get double-translated\n              const uses = selected.getElementsByTagNameNS(NS.SVG, 'use');\n              const href = '#' + child.id;\n              let u = uses.length;\n              while (u--) {\n                const useElem = uses.item(u);\n                if (href === getHref(useElem)) {\n                  const usexlate = svgroot.createSVGTransform();\n                  usexlate.setTranslate(-tx, -ty);\n                  getTransformList(useElem).insertItemBefore(usexlate, 0);\n                  batchCmd.addSubCommand(recalculateDimensions(useElem));\n                }\n              }\n              context_.setStartTransform(oldStartTransform);\n            }\n          }\n        }\n        context_.setStartTransform(oldStartTransform);\n      }\n    // else, a matrix imposition from a parent group\n    // keep pushing it down to the children\n    } else if (N === 1 && tlist.getItem(0).type === 1 && !gangle) {\n      operation = 1;\n      const m = tlist.getItem(0).matrix,\n        children = selected.childNodes;\n      let c = children.length;\n      while (c--) {\n        const child = children.item(c);\n        if (child.nodeType === 1) {\n          oldStartTransform = context_.getStartTransform();\n          context_.setStartTransform(child.getAttribute('transform'));\n          const childTlist = getTransformList(child);\n\n          if (!childTlist) { continue; }\n\n          const em = matrixMultiply(m, transformListToTransform(childTlist).matrix);\n          const e2m = svgroot.createSVGTransform();\n          e2m.setMatrix(em);\n          childTlist.clear();\n          childTlist.appendItem(e2m, 0);\n\n          batchCmd.addSubCommand(recalculateDimensions(child));\n          context_.setStartTransform(oldStartTransform);\n\n          // Convert stroke\n          // TODO: Find out if this should actually happen somewhere else\n          const sw = child.getAttribute('stroke-width');\n          if (child.getAttribute('stroke') !== 'none' && !isNaN(sw)) {\n            const avg = (Math.abs(em.a) + Math.abs(em.d)) / 2;\n            child.setAttribute('stroke-width', sw * avg);\n          }\n        }\n      }\n      tlist.clear();\n    // else it was just a rotate\n    } else {\n      if (gangle) {\n        const newRot = svgroot.createSVGTransform();\n        newRot.setRotate(gangle, newcenter.x, newcenter.y);\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(newRot, 0);\n        } else {\n          tlist.appendItem(newRot);\n        }\n      }\n      if (tlist.numberOfItems === 0) {\n        selected.removeAttribute('transform');\n      }\n      return null;\n    }\n\n    // if it was a translate, put back the rotate at the new center\n    if (operation === 2) {\n      if (gangle) {\n        newcenter = {\n          x: oldcenter.x + firstM.e,\n          y: oldcenter.y + firstM.f\n        };\n\n        const newRot = svgroot.createSVGTransform();\n        newRot.setRotate(gangle, newcenter.x, newcenter.y);\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(newRot, 0);\n        } else {\n          tlist.appendItem(newRot);\n        }\n      }\n    // if it was a resize\n    } else if (operation === 3) {\n      const m = transformListToTransform(tlist).matrix;\n      const roldt = svgroot.createSVGTransform();\n      roldt.setRotate(gangle, oldcenter.x, oldcenter.y);\n      const rold = roldt.matrix;\n      const rnew = svgroot.createSVGTransform();\n      rnew.setRotate(gangle, newcenter.x, newcenter.y);\n      const rnewInv = rnew.matrix.inverse(),\n        mInv = m.inverse(),\n        extrat = matrixMultiply(mInv, rnewInv, rold, m);\n\n      tx = extrat.e;\n      ty = extrat.f;\n\n      if (tx !== 0 || ty !== 0) {\n        // now push this transform down to the children\n        // we pass the translates down to the individual children\n        const children = selected.childNodes;\n        let c = children.length;\n        while (c--) {\n          const child = children.item(c);\n          if (child.nodeType === 1) {\n            oldStartTransform = context_.getStartTransform();\n            context_.setStartTransform(child.getAttribute('transform'));\n            const childTlist = getTransformList(child);\n            const newxlate = svgroot.createSVGTransform();\n            newxlate.setTranslate(tx, ty);\n            if (childTlist.numberOfItems) {\n              childTlist.insertItemBefore(newxlate, 0);\n            } else {\n              childTlist.appendItem(newxlate);\n            }\n\n            batchCmd.addSubCommand(recalculateDimensions(child));\n            context_.setStartTransform(oldStartTransform);\n          }\n        }\n      }\n\n      if (gangle) {\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(rnew, 0);\n        } else {\n          tlist.appendItem(rnew);\n        }\n      }\n    }\n  // else, it's a non-group\n  } else {\n    // FIXME: box might be null for some elements (<metadata> etc), need to handle this\n    const box = getBBox(selected);\n\n    // Paths (and possbly other shapes) will have no BBox while still in <defs>,\n    // but we still may need to recalculate them (see issue 595).\n    // TODO: Figure out how to get BBox from these elements in case they\n    // have a rotation transform\n\n    if (!box && selected.tagName !== 'path') return null;\n\n    let m; // = svgroot.createSVGMatrix();\n    // temporarily strip off the rotate and save the old center\n    const angle = getRotationAngle(selected);\n    if (angle) {\n      oldcenter = {x: box.x + box.width / 2, y: box.y + box.height / 2};\n      newcenter = transformPoint(\n        box.x + box.width / 2,\n        box.y + box.height / 2,\n        transformListToTransform(tlist).matrix\n      );\n\n      const a = angle * Math.PI / 180;\n      const s = (Math.abs(a) > (1.0e-10))\n        ? Math.sin(a) / (1 - Math.cos(a))\n        // FIXME: This blows up if the angle is exactly 0!\n        : 2 / a;\n\n      for (let i = 0; i < tlist.numberOfItems; ++i) {\n        const xform = tlist.getItem(i);\n        if (xform.type === 4) {\n          // extract old center through mystical arts\n          const rm = xform.matrix;\n          oldcenter.y = (s * rm.e + rm.f) / 2;\n          oldcenter.x = (rm.e - s * rm.f) / 2;\n          tlist.removeItem(i);\n          break;\n        }\n      }\n    }\n\n    // 2 = translate, 3 = scale, 4 = rotate, 1 = matrix imposition\n    let operation = 0;\n    const N = tlist.numberOfItems;\n\n    // Check if it has a gradient with userSpaceOnUse, in which case\n    // adjust it by recalculating the matrix transform.\n    // TODO: Make this work in Webkit using transformlist.SVGTransformList\n    if (!isWebkit()) {\n      const fill = selected.getAttribute('fill');\n      if (fill && fill.startsWith('url(')) {\n        const paint = getRefElem(fill);\n        let type = 'pattern';\n        if (paint.tagName !== type) type = 'gradient';\n        const attrVal = paint.getAttribute(type + 'Units');\n        if (attrVal === 'userSpaceOnUse') {\n          // Update the userSpaceOnUse element\n          m = transformListToTransform(tlist).matrix;\n          const gtlist = getTransformList(paint);\n          const gmatrix = transformListToTransform(gtlist).matrix;\n          m = matrixMultiply(m, gmatrix);\n          const mStr = 'matrix(' + [m.a, m.b, m.c, m.d, m.e, m.f].join(',') + ')';\n          paint.setAttribute(type + 'Transform', mStr);\n        }\n      }\n    }\n\n    // first, if it was a scale of a non-skewed element, then the second-last\n    // transform will be the [S]\n    // if we had [M][T][S][T] we want to extract the matrix equivalent of\n    // [T][S][T] and push it down to the element\n    if (N >= 3 && tlist.getItem(N - 2).type === 3 &&\n      tlist.getItem(N - 3).type === 2 && tlist.getItem(N - 1).type === 2) {\n      // Removed this so a <use> with a given [T][S][T] would convert to a matrix.\n      // Is that bad?\n      //  && selected.nodeName != 'use'\n      operation = 3; // scale\n      m = transformListToTransform(tlist, N - 3, N - 1).matrix;\n      tlist.removeItem(N - 1);\n      tlist.removeItem(N - 2);\n      tlist.removeItem(N - 3);\n    // if we had [T][S][-T][M], then this was a skewed element being resized\n    // Thus, we simply combine it all into one matrix\n    } else if (N === 4 && tlist.getItem(N - 1).type === 1) {\n      operation = 3; // scale\n      m = transformListToTransform(tlist).matrix;\n      const e2t = svgroot.createSVGTransform();\n      e2t.setMatrix(m);\n      tlist.clear();\n      tlist.appendItem(e2t);\n      // reset the matrix so that the element is not re-mapped\n      m = svgroot.createSVGMatrix();\n    // if we had [R][T][S][-T][M], then this was a rotated matrix-element\n    // if we had [T1][M] we want to transform this into [M][T2]\n    // therefore [ T2 ] = [ M_inv ] [ T1 ] [ M ] and we can push [T2]\n    // down to the element\n    } else if ((N === 1 || (N > 1 && tlist.getItem(1).type !== 3)) &&\n      tlist.getItem(0).type === 2) {\n      operation = 2; // translate\n      const oldxlate = tlist.getItem(0).matrix,\n        meq = transformListToTransform(tlist, 1).matrix,\n        meqInv = meq.inverse();\n      m = matrixMultiply(meqInv, oldxlate, meq);\n      tlist.removeItem(0);\n    // else if this child now has a matrix imposition (from a parent group)\n    // we might be able to simplify\n    } else if (N === 1 && tlist.getItem(0).type === 1 && !angle) {\n      // Remap all point-based elements\n      m = transformListToTransform(tlist).matrix;\n      switch (selected.tagName) {\n      case 'line':\n        changes = $(selected).attr(['x1', 'y1', 'x2', 'y2']);\n        // Fallthrough\n      case 'polyline':\n      case 'polygon':\n        changes.points = selected.getAttribute('points');\n        if (changes.points) {\n          const list = selected.points;\n          const len = list.numberOfItems;\n          changes.points = new Array(len);\n          for (let i = 0; i < len; ++i) {\n            const pt = list.getItem(i);\n            changes.points[i] = {x: pt.x, y: pt.y};\n          }\n        }\n        // Fallthrough\n      case 'path':\n        changes.d = selected.getAttribute('d');\n        operation = 1;\n        tlist.clear();\n        break;\n      default:\n        break;\n      }\n    // if it was a rotation, put the rotate back and return without a command\n    // (this function has zero work to do for a rotate())\n    } else {\n      // operation = 4; // rotation\n      if (angle) {\n        const newRot = svgroot.createSVGTransform();\n        newRot.setRotate(angle, newcenter.x, newcenter.y);\n\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(newRot, 0);\n        } else {\n          tlist.appendItem(newRot);\n        }\n      }\n      if (tlist.numberOfItems === 0) {\n        selected.removeAttribute('transform');\n      }\n      return null;\n    }\n\n    // if it was a translate or resize, we need to remap the element and absorb the xform\n    if (operation === 1 || operation === 2 || operation === 3) {\n      remapElement(selected, changes, m);\n    } // if we are remapping\n\n    // if it was a translate, put back the rotate at the new center\n    if (operation === 2) {\n      if (angle) {\n        if (!hasMatrixTransform(tlist)) {\n          newcenter = {\n            x: oldcenter.x + m.e,\n            y: oldcenter.y + m.f\n          };\n        }\n        const newRot = svgroot.createSVGTransform();\n        newRot.setRotate(angle, newcenter.x, newcenter.y);\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(newRot, 0);\n        } else {\n          tlist.appendItem(newRot);\n        }\n      }\n      // We have special processing for tspans:  Tspans are not transformable\n      // but they can have x,y coordinates (sigh).  Thus, if this was a translate,\n      // on a text element, also translate any tspan children.\n      if (selected.tagName === 'text') {\n        const children = selected.childNodes;\n        let c = children.length;\n        while (c--) {\n          const child = children.item(c);\n          if (child.tagName === 'tspan') {\n            const tspanChanges = {\n              x: $(child).attr('x') || 0,\n              y: $(child).attr('y') || 0\n            };\n            remapElement(child, tspanChanges, m);\n          }\n        }\n      }\n    // [Rold][M][T][S][-T] became [Rold][M]\n    // we want it to be [Rnew][M][Tr] where Tr is the\n    // translation required to re-center it\n    // Therefore, [Tr] = [M_inv][Rnew_inv][Rold][M]\n    } else if (operation === 3 && angle) {\n      const m = transformListToTransform(tlist).matrix;\n      const roldt = svgroot.createSVGTransform();\n      roldt.setRotate(angle, oldcenter.x, oldcenter.y);\n      const rold = roldt.matrix;\n      const rnew = svgroot.createSVGTransform();\n      rnew.setRotate(angle, newcenter.x, newcenter.y);\n      const rnewInv = rnew.matrix.inverse();\n      const mInv = m.inverse();\n      const extrat = matrixMultiply(mInv, rnewInv, rold, m);\n\n      remapElement(selected, changes, extrat);\n      if (angle) {\n        if (tlist.numberOfItems) {\n          tlist.insertItemBefore(rnew, 0);\n        } else {\n          tlist.appendItem(rnew);\n        }\n      }\n    }\n  } // a non-group\n\n  // if the transform list has been emptied, remove it\n  if (tlist.numberOfItems === 0) {\n    selected.removeAttribute('transform');\n  }\n\n  batchCmd.addSubCommand(new ChangeElementCommand(selected, initial));\n\n  return batchCmd;\n};\n","/* globals jQuery */\n/**\n * DOM element selection box tools\n * @module select\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller\n */\n\nimport {isTouch, isWebkit} from './browser.js'; // , isOpera\nimport {getRotationAngle, getBBox, getStrokedBBox} from './utilities.js';\nimport {transformListToTransform, transformBox, transformPoint} from './math.js';\nimport {getTransformList} from './svgtransformlist.js';\n\nconst $ = jQuery;\n\nlet svgFactory_;\nlet config_;\nlet selectorManager_; // A Singleton\nconst gripRadius = isTouch() ? 10 : 4;\n\n/**\n* Private class for DOM element selection boxes\n*/\nexport class Selector {\n  /**\n  * @param {Integer} id - Internally identify the selector\n  * @param {Element} elem - DOM element associated with this selector\n  * @param {module:utilities.BBoxObject} [bbox] - Optional bbox to use for initialization (prevents duplicate `getBBox` call).\n  */\n  constructor (id, elem, bbox) {\n    // this is the selector's unique number\n    this.id = id;\n\n    // this holds a reference to the element for which this selector is being used\n    this.selectedElement = elem;\n\n    // this is a flag used internally to track whether the selector is being used or not\n    this.locked = true;\n\n    // this holds a reference to the <g> element that holds all visual elements of the selector\n    this.selectorGroup = svgFactory_.createSVGElement({\n      element: 'g',\n      attr: {id: ('selectorGroup' + this.id)}\n    });\n\n    // this holds a reference to the path rect\n    this.selectorRect = this.selectorGroup.appendChild(\n      svgFactory_.createSVGElement({\n        element: 'path',\n        attr: {\n          id: ('selectedBox' + this.id),\n          fill: 'none',\n          stroke: '#22C',\n          'stroke-width': '1',\n          'stroke-dasharray': '5,5',\n          // need to specify this so that the rect is not selectable\n          style: 'pointer-events:none'\n        }\n      })\n    );\n\n    // this holds a reference to the grip coordinates for this selector\n    this.gripCoords = {\n      nw: null,\n      n: null,\n      ne: null,\n      e: null,\n      se: null,\n      s: null,\n      sw: null,\n      w: null\n    };\n\n    this.reset(this.selectedElement, bbox);\n  }\n\n  /**\n  * Used to reset the id and element that the selector is attached to\n  * @param {Element} e - DOM element associated with this selector\n  * @param {module:utilities.BBoxObject} bbox - Optional bbox to use for reset (prevents duplicate getBBox call).\n  */\n  reset (e, bbox) {\n    this.locked = true;\n    this.selectedElement = e;\n    this.resize(bbox);\n    this.selectorGroup.setAttribute('display', 'inline');\n  }\n\n  /**\n  * Updates cursors for corner grips on rotation so arrows point the right way\n  * @param {Float} angle - Current rotation angle in degrees\n  */\n  updateGripCursors (angle) {\n    let dir;\n    const dirArr = [];\n    let steps = Math.round(angle / 45);\n    if (steps < 0) { steps += 8; }\n    for (dir in selectorManager_.selectorGrips) {\n      dirArr.push(dir);\n    }\n    while (steps > 0) {\n      dirArr.push(dirArr.shift());\n      steps--;\n    }\n    let i = 0;\n    for (dir in selectorManager_.selectorGrips) {\n      selectorManager_.selectorGrips[dir].setAttribute('style', ('cursor:' + dirArr[i] + '-resize'));\n      i++;\n    }\n  }\n\n  /**\n  * Show the resize grips of this selector\n  *\n  * @param {boolean} show - Indicates whether grips should be shown or not\n  */\n  showGrips (show) {\n    const bShow = show ? 'inline' : 'none';\n    selectorManager_.selectorGripsGroup.setAttribute('display', bShow);\n    const elem = this.selectedElement;\n    this.hasGrips = show;\n    if (elem && show) {\n      this.selectorGroup.append(selectorManager_.selectorGripsGroup);\n      this.updateGripCursors(getRotationAngle(elem));\n    }\n  }\n\n  /**\n  * Updates the selector to match the element's size\n  * @param {module:utilities.BBoxObject} [bbox] - BBox to use for resize (prevents duplicate getBBox call).\n  */\n  resize (bbox) {\n    const selectedBox = this.selectorRect,\n      mgr = selectorManager_,\n      selectedGrips = mgr.selectorGrips,\n      selected = this.selectedElement,\n      sw = selected.getAttribute('stroke-width'),\n      currentZoom = svgFactory_.getCurrentZoom();\n    let offset = 1 / currentZoom;\n    if (selected.getAttribute('stroke') !== 'none' && !isNaN(sw)) {\n      offset += (sw / 2);\n    }\n\n    const {tagName} = selected;\n    if (tagName === 'text') {\n      offset += 2 / currentZoom;\n    }\n\n    // loop and transform our bounding box until we reach our first rotation\n    const tlist = getTransformList(selected);\n    const m = transformListToTransform(tlist).matrix;\n\n    // This should probably be handled somewhere else, but for now\n    // it keeps the selection box correctly positioned when zoomed\n    m.e *= currentZoom;\n    m.f *= currentZoom;\n\n    if (!bbox) {\n      bbox = getBBox(selected);\n    }\n    // TODO: getBBox (previous line) already knows to call getStrokedBBox when tagName === 'g'. Remove this?\n    // TODO: getBBox doesn't exclude 'gsvg' and calls getStrokedBBox for any 'g'. Should getBBox be updated?\n    if (tagName === 'g' && !$.data(selected, 'gsvg')) {\n      // The bbox for a group does not include stroke vals, so we\n      // get the bbox based on its children.\n      const strokedBbox = getStrokedBBox([selected.childNodes]);\n      if (strokedBbox) {\n        bbox = strokedBbox;\n      }\n    }\n\n    // apply the transforms\n    const l = bbox.x, t = bbox.y, w = bbox.width, h = bbox.height;\n    // bbox = {x: l, y: t, width: w, height: h}; // Not in use\n\n    // we need to handle temporary transforms too\n    // if skewed, get its transformed box, then find its axis-aligned bbox\n\n    // *\n    offset *= currentZoom;\n\n    const nbox = transformBox(l * currentZoom, t * currentZoom, w * currentZoom, h * currentZoom, m),\n      {aabox} = nbox;\n    let nbax = aabox.x - offset,\n      nbay = aabox.y - offset,\n      nbaw = aabox.width + (offset * 2),\n      nbah = aabox.height + (offset * 2);\n\n    // now if the shape is rotated, un-rotate it\n    const cx = nbax + nbaw / 2,\n      cy = nbay + nbah / 2;\n\n    const angle = getRotationAngle(selected);\n    if (angle) {\n      const rot = svgFactory_.svgRoot().createSVGTransform();\n      rot.setRotate(-angle, cx, cy);\n      const rotm = rot.matrix;\n      nbox.tl = transformPoint(nbox.tl.x, nbox.tl.y, rotm);\n      nbox.tr = transformPoint(nbox.tr.x, nbox.tr.y, rotm);\n      nbox.bl = transformPoint(nbox.bl.x, nbox.bl.y, rotm);\n      nbox.br = transformPoint(nbox.br.x, nbox.br.y, rotm);\n\n      // calculate the axis-aligned bbox\n      const {tl} = nbox;\n      let minx = tl.x,\n        miny = tl.y,\n        maxx = tl.x,\n        maxy = tl.y;\n\n      const {min, max} = Math;\n\n      minx = min(minx, min(nbox.tr.x, min(nbox.bl.x, nbox.br.x))) - offset;\n      miny = min(miny, min(nbox.tr.y, min(nbox.bl.y, nbox.br.y))) - offset;\n      maxx = max(maxx, max(nbox.tr.x, max(nbox.bl.x, nbox.br.x))) + offset;\n      maxy = max(maxy, max(nbox.tr.y, max(nbox.bl.y, nbox.br.y))) + offset;\n\n      nbax = minx;\n      nbay = miny;\n      nbaw = (maxx - minx);\n      nbah = (maxy - miny);\n    }\n\n    const dstr = 'M' + nbax + ',' + nbay +\n      ' L' + (nbax + nbaw) + ',' + nbay +\n      ' ' + (nbax + nbaw) + ',' + (nbay + nbah) +\n      ' ' + nbax + ',' + (nbay + nbah) + 'z';\n    selectedBox.setAttribute('d', dstr);\n\n    const xform = angle ? 'rotate(' + [angle, cx, cy].join(',') + ')' : '';\n    this.selectorGroup.setAttribute('transform', xform);\n\n    // TODO(codedread): Is this needed?\n    //  if (selected === selectedElements[0]) {\n    this.gripCoords = {\n      nw: [nbax, nbay],\n      ne: [nbax + nbaw, nbay],\n      sw: [nbax, nbay + nbah],\n      se: [nbax + nbaw, nbay + nbah],\n      n: [nbax + (nbaw) / 2, nbay],\n      w: [nbax, nbay + (nbah) / 2],\n      e: [nbax + nbaw, nbay + (nbah) / 2],\n      s: [nbax + (nbaw) / 2, nbay + nbah]\n    };\n    for (const dir in this.gripCoords) {\n      const coords = this.gripCoords[dir];\n      selectedGrips[dir].setAttribute('cx', coords[0]);\n      selectedGrips[dir].setAttribute('cy', coords[1]);\n    }\n\n    // we want to go 20 pixels in the negative transformed y direction, ignoring scale\n    mgr.rotateGripConnector.setAttribute('x1', nbax + (nbaw) / 2);\n    mgr.rotateGripConnector.setAttribute('y1', nbay);\n    mgr.rotateGripConnector.setAttribute('x2', nbax + (nbaw) / 2);\n    mgr.rotateGripConnector.setAttribute('y2', nbay - (gripRadius * 5));\n\n    mgr.rotateGrip.setAttribute('cx', nbax + (nbaw) / 2);\n    mgr.rotateGrip.setAttribute('cy', nbay - (gripRadius * 5));\n    // }\n  }\n}\n\n/**\n* Manage all selector objects (selection boxes)\n*/\nexport class SelectorManager {\n  constructor () {\n    // this will hold the <g> element that contains all selector rects/grips\n    this.selectorParentGroup = null;\n\n    // this is a special rect that is used for multi-select\n    this.rubberBandBox = null;\n\n    // this will hold objects of type Selector (see above)\n    this.selectors = [];\n\n    // this holds a map of SVG elements to their Selector object\n    this.selectorMap = {};\n\n    // this holds a reference to the grip elements\n    this.selectorGrips = {\n      nw: null,\n      n: null,\n      ne: null,\n      e: null,\n      se: null,\n      s: null,\n      sw: null,\n      w: null\n    };\n\n    this.selectorGripsGroup = null;\n    this.rotateGripConnector = null;\n    this.rotateGrip = null;\n\n    this.initGroup();\n  }\n\n  /**\n  * Resets the parent selector group element\n  */\n  initGroup () {\n    // remove old selector parent group if it existed\n    if (this.selectorParentGroup && this.selectorParentGroup.parentNode) {\n      this.selectorParentGroup.remove();\n    }\n\n    // create parent selector group and add it to svgroot\n    this.selectorParentGroup = svgFactory_.createSVGElement({\n      element: 'g',\n      attr: {id: 'selectorParentGroup'}\n    });\n    this.selectorGripsGroup = svgFactory_.createSVGElement({\n      element: 'g',\n      attr: {display: 'none'}\n    });\n    this.selectorParentGroup.append(this.selectorGripsGroup);\n    svgFactory_.svgRoot().append(this.selectorParentGroup);\n\n    this.selectorMap = {};\n    this.selectors = [];\n    this.rubberBandBox = null;\n\n    // add the corner grips\n    for (const dir in this.selectorGrips) {\n      const grip = svgFactory_.createSVGElement({\n        element: 'circle',\n        attr: {\n          id: ('selectorGrip_resize_' + dir),\n          fill: '#22C',\n          r: gripRadius,\n          style: ('cursor:' + dir + '-resize'),\n          // This expands the mouse-able area of the grips making them\n          // easier to grab with the mouse.\n          // This works in Opera and WebKit, but does not work in Firefox\n          // see https://bugzilla.mozilla.org/show_bug.cgi?id=500174\n          'stroke-width': 2,\n          'pointer-events': 'all'\n        }\n      });\n\n      $.data(grip, 'dir', dir);\n      $.data(grip, 'type', 'resize');\n      this.selectorGrips[dir] = this.selectorGripsGroup.appendChild(grip);\n    }\n\n    // add rotator elems\n    this.rotateGripConnector = this.selectorGripsGroup.appendChild(\n      svgFactory_.createSVGElement({\n        element: 'line',\n        attr: {\n          id: ('selectorGrip_rotateconnector'),\n          stroke: '#22C',\n          'stroke-width': '1'\n        }\n      })\n    );\n\n    this.rotateGrip = this.selectorGripsGroup.appendChild(\n      svgFactory_.createSVGElement({\n        element: 'circle',\n        attr: {\n          id: 'selectorGrip_rotate',\n          fill: 'lime',\n          r: gripRadius,\n          stroke: '#22C',\n          'stroke-width': 2,\n          style: 'cursor:url(' + config_.imgPath + 'rotate.png) 12 12, auto;'\n        }\n      })\n    );\n    $.data(this.rotateGrip, 'type', 'rotate');\n\n    if ($('#canvasBackground').length) { return; }\n\n    const [width, height] = config_.dimensions;\n    const canvasbg = svgFactory_.createSVGElement({\n      element: 'svg',\n      attr: {\n        id: 'canvasBackground',\n        width,\n        height,\n        x: 0,\n        y: 0,\n        overflow: (isWebkit() ? 'none' : 'visible'), // Chrome 7 has a problem with this when zooming out\n        style: 'pointer-events:none'\n      }\n    });\n\n    const rect = svgFactory_.createSVGElement({\n      element: 'rect',\n      attr: {\n        width: '100%',\n        height: '100%',\n        x: 0,\n        y: 0,\n        'stroke-width': 1,\n        stroke: '#000',\n        fill: '#FFF',\n        style: 'pointer-events:none'\n      }\n    });\n\n    // Both Firefox and WebKit are too slow with this filter region (especially at higher\n    // zoom levels) and Opera has at least one bug\n    // if (!isOpera()) rect.setAttribute('filter', 'url(#canvashadow)');\n    canvasbg.append(rect);\n    svgFactory_.svgRoot().insertBefore(canvasbg, svgFactory_.svgContent());\n    // Ok to replace above with `svgFactory_.svgContent().before(canvasbg);`?\n  }\n\n  /**\n  *\n  * @param {Element} elem - DOM element to get the selector for\n  * @param {module:utilities.BBoxObject} [bbox] - Optional bbox to use for reset (prevents duplicate getBBox call).\n  * @returns {Selector} The selector based on the given element\n  */\n  requestSelector (elem, bbox) {\n    if (elem == null) { return null; }\n\n    const N = this.selectors.length;\n    // If we've already acquired one for this element, return it.\n    if (typeof this.selectorMap[elem.id] === 'object') {\n      this.selectorMap[elem.id].locked = true;\n      return this.selectorMap[elem.id];\n    }\n    for (let i = 0; i < N; ++i) {\n      if (this.selectors[i] && !this.selectors[i].locked) {\n        this.selectors[i].locked = true;\n        this.selectors[i].reset(elem, bbox);\n        this.selectorMap[elem.id] = this.selectors[i];\n        return this.selectors[i];\n      }\n    }\n    // if we reached here, no available selectors were found, we create one\n    this.selectors[N] = new Selector(N, elem, bbox);\n    this.selectorParentGroup.append(this.selectors[N].selectorGroup);\n    this.selectorMap[elem.id] = this.selectors[N];\n    return this.selectors[N];\n  }\n\n  /**\n  * Removes the selector of the given element (hides selection box)\n  *\n  * @param {Element} elem - DOM element to remove the selector for\n  */\n  releaseSelector (elem) {\n    if (elem == null) { return; }\n    const N = this.selectors.length,\n      sel = this.selectorMap[elem.id];\n    if (!sel.locked) {\n      // TODO(codedread): Ensure this exists in this module.\n      console.log('WARNING! selector was released but was already unlocked');\n    }\n    for (let i = 0; i < N; ++i) {\n      if (this.selectors[i] && this.selectors[i] === sel) {\n        delete this.selectorMap[elem.id];\n        sel.locked = false;\n        sel.selectedElement = null;\n        sel.showGrips(false);\n\n        // remove from DOM and store reference in JS but only if it exists in the DOM\n        try {\n          sel.selectorGroup.setAttribute('display', 'none');\n        } catch (e) {}\n\n        break;\n      }\n    }\n  }\n\n  /**\n  * @returns {SVGRectElement} The rubberBandBox DOM element. This is the rectangle drawn by\n  * the user for selecting/zooming\n  */\n  getRubberBandBox () {\n    if (!this.rubberBandBox) {\n      this.rubberBandBox = this.selectorParentGroup.appendChild(\n        svgFactory_.createSVGElement({\n          element: 'rect',\n          attr: {\n            id: 'selectorRubberBand',\n            fill: '#22C',\n            'fill-opacity': 0.15,\n            stroke: '#22C',\n            'stroke-width': 0.5,\n            display: 'none',\n            style: 'pointer-events:none'\n          }\n        })\n      );\n    }\n    return this.rubberBandBox;\n  }\n}\n\n/**\n * An object that creates SVG elements for the canvas.\n *\n * @interface module:select.SVGFactory\n */\n/**\n * @function module:select.SVGFactory#createSVGElement\n * @param {module:utilities.EditorContext#addSVGElementFromJson} jsonMap\n * @returns {SVGElement}\n */\n/**\n * @function module:select.SVGFactory#svgRoot\n * @returns {SVGSVGElement}\n */\n/**\n * @function module:select.SVGFactory#svgContent\n * @returns {SVGSVGElement}\n */\n/**\n * @function module:select.SVGFactory#getCurrentZoom\n * @returns {Float}\n */\n\n/**\n * @typedef {GenericArray} module:select.Dimensions\n * @property {Integer} length 2\n * @property {Float} 0 Width\n * @property {Float} 1 Height\n */\n/**\n * @typedef {PlainObject} module:select.Config\n * @property {string} imgPath\n * @property {module:select.Dimensions} dimensions\n */\n\n/**\n * Initializes this module.\n * @function module:select.init\n * @param {module:select.Config} config - An object containing configurable parameters (imgPath)\n * @param {module:select.SVGFactory} svgFactory - An object implementing the SVGFactory interface.\n * @returns {undefined}\n */\nexport const init = function (config, svgFactory) {\n  config_ = config;\n  svgFactory_ = svgFactory;\n  selectorManager_ = new SelectorManager();\n};\n\n/**\n * @function module:select.getSelectorManager\n * @returns {module:select.SelectorManager} The SelectorManager instance.\n */\nexport const getSelectorManager = () => selectorManager_;\n","/* globals jQuery */\n/**\n * Manipulating coordinates\n * @module coords\n * @license MIT\n */\n\nimport './svgpathseg.js';\nimport {\n  snapToGrid, assignAttributes, getBBox, getRefElem, findDefs\n} from './utilities.js';\nimport {\n  transformPoint, transformListToTransform, matrixMultiply, transformBox\n} from './math.js';\nimport {getTransformList} from './svgtransformlist.js';\n\nconst $ = jQuery;\n\n// this is how we map paths to our preferred relative segment types\nconst pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a',\n  'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];\n\n/**\n * @interface module:coords.EditorContext\n */\n/**\n * @function module:coords.EditorContext#getGridSnapping\n * @returns {boolean}\n */\n/**\n * @function module:coords.EditorContext#getDrawing\n * @returns {module:draw.Drawing}\n*/\n/**\n * @function module:coords.EditorContext#getSVGRoot\n * @returns {SVGSVGElement}\n*/\n\nlet editorContext_ = null;\n\n/**\n* @function module:coords.init\n* @param {module:coords.EditorContext} editorContext\n*/\nexport const init = function (editorContext) {\n  editorContext_ = editorContext;\n};\n\n/**\n * Applies coordinate changes to an element based on the given matrix\n * @function module:coords.remapElement\n * @implements {module:path.EditorContext#remapElement}\n*/\nexport const remapElement = function (selected, changes, m) {\n  const remap = function (x, y) { return transformPoint(x, y, m); },\n    scalew = function (w) { return m.a * w; },\n    scaleh = function (h) { return m.d * h; },\n    doSnapping = editorContext_.getGridSnapping() && selected.parentNode.parentNode.localName === 'svg',\n    finishUp = function () {\n      if (doSnapping) {\n        for (const o in changes) {\n          changes[o] = snapToGrid(changes[o]);\n        }\n      }\n      assignAttributes(selected, changes, 1000, true);\n    },\n    box = getBBox(selected);\n\n  for (let i = 0; i < 2; i++) {\n    const type = i === 0 ? 'fill' : 'stroke';\n    const attrVal = selected.getAttribute(type);\n    if (attrVal && attrVal.startsWith('url(')) {\n      if (m.a < 0 || m.d < 0) {\n        const grad = getRefElem(attrVal);\n        const newgrad = grad.cloneNode(true);\n        if (m.a < 0) {\n          // flip x\n          const x1 = newgrad.getAttribute('x1');\n          const x2 = newgrad.getAttribute('x2');\n          newgrad.setAttribute('x1', -(x1 - 1));\n          newgrad.setAttribute('x2', -(x2 - 1));\n        }\n\n        if (m.d < 0) {\n          // flip y\n          const y1 = newgrad.getAttribute('y1');\n          const y2 = newgrad.getAttribute('y2');\n          newgrad.setAttribute('y1', -(y1 - 1));\n          newgrad.setAttribute('y2', -(y2 - 1));\n        }\n        newgrad.id = editorContext_.getDrawing().getNextId();\n        findDefs().append(newgrad);\n        selected.setAttribute(type, 'url(#' + newgrad.id + ')');\n      }\n\n      // Not really working :(\n      // if (selected.tagName === 'path') {\n      //   reorientGrads(selected, m);\n      // }\n    }\n  }\n\n  const elName = selected.tagName;\n  if (elName === 'g' || elName === 'text' || elName === 'tspan' || elName === 'use') {\n    // if it was a translate, then just update x,y\n    if (m.a === 1 && m.b === 0 && m.c === 0 && m.d === 1 && (m.e !== 0 || m.f !== 0)) {\n      // [T][M] = [M][T']\n      // therefore [T'] = [M_inv][T][M]\n      const existing = transformListToTransform(selected).matrix,\n        tNew = matrixMultiply(existing.inverse(), m, existing);\n      changes.x = parseFloat(changes.x) + tNew.e;\n      changes.y = parseFloat(changes.y) + tNew.f;\n    } else {\n      // we just absorb all matrices into the element and don't do any remapping\n      const chlist = getTransformList(selected);\n      const mt = editorContext_.getSVGRoot().createSVGTransform();\n      mt.setMatrix(matrixMultiply(transformListToTransform(chlist).matrix, m));\n      chlist.clear();\n      chlist.appendItem(mt);\n    }\n  }\n\n  // now we have a set of changes and an applied reduced transform list\n  // we apply the changes directly to the DOM\n  switch (elName) {\n  case 'foreignObject':\n  case 'rect':\n  case 'image': {\n    // Allow images to be inverted (give them matrix when flipped)\n    if (elName === 'image' && (m.a < 0 || m.d < 0)) {\n      // Convert to matrix\n      const chlist = getTransformList(selected);\n      const mt = editorContext_.getSVGRoot().createSVGTransform();\n      mt.setMatrix(matrixMultiply(transformListToTransform(chlist).matrix, m));\n      chlist.clear();\n      chlist.appendItem(mt);\n    } else {\n      const pt1 = remap(changes.x, changes.y);\n      changes.width = scalew(changes.width);\n      changes.height = scaleh(changes.height);\n      changes.x = pt1.x + Math.min(0, changes.width);\n      changes.y = pt1.y + Math.min(0, changes.height);\n      changes.width = Math.abs(changes.width);\n      changes.height = Math.abs(changes.height);\n    }\n    finishUp();\n    break;\n  } case 'ellipse': {\n    const c = remap(changes.cx, changes.cy);\n    changes.cx = c.x;\n    changes.cy = c.y;\n    changes.rx = scalew(changes.rx);\n    changes.ry = scaleh(changes.ry);\n    changes.rx = Math.abs(changes.rx);\n    changes.ry = Math.abs(changes.ry);\n    finishUp();\n    break;\n  } case 'circle': {\n    const c = remap(changes.cx, changes.cy);\n    changes.cx = c.x;\n    changes.cy = c.y;\n    // take the minimum of the new selected box's dimensions for the new circle radius\n    const tbox = transformBox(box.x, box.y, box.width, box.height, m);\n    const w = tbox.tr.x - tbox.tl.x, h = tbox.bl.y - tbox.tl.y;\n    changes.r = Math.min(w / 2, h / 2);\n\n    if (changes.r) { changes.r = Math.abs(changes.r); }\n    finishUp();\n    break;\n  } case 'line': {\n    const pt1 = remap(changes.x1, changes.y1);\n    const pt2 = remap(changes.x2, changes.y2);\n    changes.x1 = pt1.x;\n    changes.y1 = pt1.y;\n    changes.x2 = pt2.x;\n    changes.y2 = pt2.y;\n  } // Fallthrough\n  case 'text':\n  case 'tspan':\n  case 'use': {\n    finishUp();\n    break;\n  } case 'g': {\n    const gsvg = $(selected).data('gsvg');\n    if (gsvg) {\n      assignAttributes(gsvg, changes, 1000, true);\n    }\n    break;\n  } case 'polyline':\n  case 'polygon': {\n    const len = changes.points.length;\n    for (let i = 0; i < len; ++i) {\n      const pt = changes.points[i];\n      const {x, y} = remap(pt.x, pt.y);\n      changes.points[i].x = x;\n      changes.points[i].y = y;\n    }\n\n    // const len = changes.points.length;\n    let pstr = '';\n    for (let i = 0; i < len; ++i) {\n      const pt = changes.points[i];\n      pstr += pt.x + ',' + pt.y + ' ';\n    }\n    selected.setAttribute('points', pstr);\n    break;\n  } case 'path': {\n    const segList = selected.pathSegList;\n    let len = segList.numberOfItems;\n    changes.d = [];\n    for (let i = 0; i < len; ++i) {\n      const seg = segList.getItem(i);\n      changes.d[i] = {\n        type: seg.pathSegType,\n        x: seg.x,\n        y: seg.y,\n        x1: seg.x1,\n        y1: seg.y1,\n        x2: seg.x2,\n        y2: seg.y2,\n        r1: seg.r1,\n        r2: seg.r2,\n        angle: seg.angle,\n        largeArcFlag: seg.largeArcFlag,\n        sweepFlag: seg.sweepFlag\n      };\n    }\n\n    len = changes.d.length;\n    const firstseg = changes.d[0],\n      currentpt = remap(firstseg.x, firstseg.y);\n    changes.d[0].x = currentpt.x;\n    changes.d[0].y = currentpt.y;\n    for (let i = 1; i < len; ++i) {\n      const seg = changes.d[i];\n      const {type} = seg;\n      // if absolute or first segment, we want to remap x, y, x1, y1, x2, y2\n      // if relative, we want to scalew, scaleh\n      if (type % 2 === 0) { // absolute\n        const thisx = (seg.x !== undefined) ? seg.x : currentpt.x, // for V commands\n          thisy = (seg.y !== undefined) ? seg.y : currentpt.y; // for H commands\n        const pt = remap(thisx, thisy);\n        const pt1 = remap(seg.x1, seg.y1);\n        const pt2 = remap(seg.x2, seg.y2);\n        seg.x = pt.x;\n        seg.y = pt.y;\n        seg.x1 = pt1.x;\n        seg.y1 = pt1.y;\n        seg.x2 = pt2.x;\n        seg.y2 = pt2.y;\n        seg.r1 = scalew(seg.r1);\n        seg.r2 = scaleh(seg.r2);\n      } else { // relative\n        seg.x = scalew(seg.x);\n        seg.y = scaleh(seg.y);\n        seg.x1 = scalew(seg.x1);\n        seg.y1 = scaleh(seg.y1);\n        seg.x2 = scalew(seg.x2);\n        seg.y2 = scaleh(seg.y2);\n        seg.r1 = scalew(seg.r1);\n        seg.r2 = scaleh(seg.r2);\n      }\n    } // for each segment\n\n    let dstr = '';\n    len = changes.d.length;\n    for (let i = 0; i < len; ++i) {\n      const seg = changes.d[i];\n      const {type} = seg;\n      dstr += pathMap[type];\n      switch (type) {\n      case 13: // relative horizontal line (h)\n      case 12: // absolute horizontal line (H)\n        dstr += seg.x + ' ';\n        break;\n      case 15: // relative vertical line (v)\n      case 14: // absolute vertical line (V)\n        dstr += seg.y + ' ';\n        break;\n      case 3: // relative move (m)\n      case 5: // relative line (l)\n      case 19: // relative smooth quad (t)\n      case 2: // absolute move (M)\n      case 4: // absolute line (L)\n      case 18: // absolute smooth quad (T)\n        dstr += seg.x + ',' + seg.y + ' ';\n        break;\n      case 7: // relative cubic (c)\n      case 6: // absolute cubic (C)\n        dstr += seg.x1 + ',' + seg.y1 + ' ' + seg.x2 + ',' + seg.y2 + ' ' +\n          seg.x + ',' + seg.y + ' ';\n        break;\n      case 9: // relative quad (q)\n      case 8: // absolute quad (Q)\n        dstr += seg.x1 + ',' + seg.y1 + ' ' + seg.x + ',' + seg.y + ' ';\n        break;\n      case 11: // relative elliptical arc (a)\n      case 10: // absolute elliptical arc (A)\n        dstr += seg.r1 + ',' + seg.r2 + ' ' + seg.angle + ' ' + (+seg.largeArcFlag) +\n          ' ' + (+seg.sweepFlag) + ' ' + seg.x + ',' + seg.y + ' ';\n        break;\n      case 17: // relative smooth cubic (s)\n      case 16: // absolute smooth cubic (S)\n        dstr += seg.x2 + ',' + seg.y2 + ' ' + seg.x + ',' + seg.y + ' ';\n        break;\n      }\n    }\n\n    selected.setAttribute('d', dstr);\n    break;\n  }\n  }\n};\n","/* eslint-disable indent */\n/* globals jQuery, jsPDF */\n/**\n * Numerous tools for working with the editor's \"canvas\"\n * @module svgcanvas\n *\n * @license MIT\n *\n * @copyright 2010 Alexis Deveria, 2010 Pavol Rusnak, 2010 Jeff Schiller\n *\n */\n\n/* Dependencies:\n1. Also expects jQuery UI for `svgCanvasToString` and\n`convertToGroup` use of `:data()` selector\n*/\n\n// Todo: Obtain/adapt latest jsPDF to utilize ES Module for `jsPDF`/avoid global\n\nimport './svgpathseg.js';\nimport jqPluginSVG from './jQuery.attr.js'; // Needed for SVG attribute setting and array form with `attr`\n\nimport * as draw from './draw.js';\nimport * as pathModule from './path.js';\nimport {sanitizeSvg} from './sanitize.js';\nimport {getReverseNS, NS} from './namespaces.js';\nimport {importSetGlobal, importScript} from './external/dynamic-import-polyfill/importModule.js';\nimport {\n  text2xml, assignAttributes, cleanupElement, getElem, getUrlFromAttr,\n  findDefs, getHref, setHref, getRefElem, getRotationAngle, getPathBBox,\n  preventClickDefault, snapToGrid, walkTree, walkTreePost,\n  getBBoxOfElementAsPath, convertToPath, toXml, encode64, decode64,\n  dataURLToObjectURL, createObjectURL,\n  getVisibleElements, dropXMLInteralSubset,\n  init as utilsInit, getBBox as utilsGetBBox, getStrokedBBoxDefaultVisible\n} from './utilities.js';\nimport * as history from './history.js';\nimport {\n  transformPoint, matrixMultiply, hasMatrixTransform, transformListToTransform,\n  getMatrix, snapToAngle, isIdentity, rectsIntersect, transformBox\n} from './math.js';\nimport {\n  convertToNum, convertAttrs, convertUnit, shortFloat, getTypeMap,\n  init as unitsInit\n} from './units.js';\nimport {\n  isGecko, isChrome, isIE, isWebkit, supportsNonScalingStroke, supportsGoodTextCharPos\n} from './browser.js'; // , supportsEditableText\nimport {\n  getTransformList, resetListMap,\n  SVGTransformList as SVGEditTransformList\n} from './svgtransformlist.js';\nimport {\n  remapElement,\n  init as coordsInit\n} from './coords.js';\nimport {\n  recalculateDimensions,\n  init as recalculateInit\n} from './recalculate.js';\nimport {\n  getSelectorManager,\n  init as selectInit\n} from './select.js';\n\nconst $ = jqPluginSVG(jQuery);\nconst {\n  MoveElementCommand, InsertElementCommand, RemoveElementCommand,\n  ChangeElementCommand, BatchCommand, UndoManager, HistoryEventTypes\n} = history;\n\nif (!window.console) {\n  window.console = {};\n  window.console.log = function (str) {};\n  window.console.dir = function (str) {};\n}\n\nif (window.opera) {\n  window.console.log = function (str) { window.opera.postError(str); };\n  window.console.dir = function (str) {};\n}\n\n/**\n* The main SvgCanvas class that manages all SVG-related functions\n* @memberof module:svgcanvas\n*\n* @borrows module:coords.remapElement as #remapElement\n* @borrows module:recalculate.recalculateDimensions as #recalculateDimensions\n*\n* @borrows module:utilities.cleanupElement as #cleanupElement\n* @borrows module:utilities.getStrokedBBoxDefaultVisible as #getStrokedBBox\n* @borrows module:utilities.getVisibleElements as #getVisibleElements\n* @borrows module:utilities.findDefs as #findDefs\n* @borrows module:utilities.getUrlFromAttr as #getUrlFromAttr\n* @borrows module:utilities.getHref as #getHref\n* @borrows module:utilities.setHref as #setHref\n* @borrows module:utilities.getRotationAngle as #getRotationAngle\n* @borrows module:utilities.getBBox as #getBBox\n* @borrows module:utilities.getElem as #getElem\n* @borrows module:utilities.getRefElem as #getRefElem\n* @borrows module:utilities.assignAttributes as #assignAttributes\n*\n* @borrows module:SVGTransformList.getTransformList as #getTransformList\n* @borrows module:math.matrixMultiply as #matrixMultiply\n* @borrows module:math.hasMatrixTransform as #hasMatrixTransform\n* @borrows module:math.transformListToTransform as #transformListToTransform\n* @borrows module:units.convertToNum as #convertToNum\n* @borrows module:sanitize.sanitizeSvg as #sanitizeSvg\n* @borrows module:path.pathActions.linkControlPoints as #linkControlPoints\n*/\nclass SvgCanvas {\n  /**\n  * @param {HTMLElement} container - The container HTML element that should hold the SVG root element\n  * @param {module:SVGEditor.curConfig} config - An object that contains configuration data\n  */\n  constructor (container, config) {\n// Alias Namespace constants\n\n// Default configuration options\nconst curConfig = {\n  show_outside_canvas: true,\n  selectNew: true,\n  dimensions: [640, 480]\n};\n\n// Update config with new one if given\nif (config) {\n  $.extend(curConfig, config);\n}\n\n// Array with width/height of canvas\nconst {dimensions} = curConfig;\n\nconst canvas = this;\n\n// \"document\" element associated with the container (same as window.document using default svg-editor.js)\n// NOTE: This is not actually a SVG document, but an HTML document.\nconst svgdoc = container.ownerDocument;\n\n// This is a container for the document being edited, not the document itself.\n/**\n * @name module:svgcanvas~svgroot\n * @type {SVGSVGElement}\n */\nconst svgroot = svgdoc.importNode(\n  text2xml(\n    '<svg id=\"svgroot\" xmlns=\"' + NS.SVG + '\" xlinkns=\"' + NS.XLINK + '\" ' +\n      'width=\"' + dimensions[0] + '\" height=\"' + dimensions[1] + '\" x=\"' + dimensions[0] + '\" y=\"' + dimensions[1] + '\" overflow=\"visible\">' +\n      '<defs>' +\n        '<filter id=\"canvashadow\" filterUnits=\"objectBoundingBox\">' +\n          '<feGaussianBlur in=\"SourceAlpha\" stdDeviation=\"4\" result=\"blur\"/>' +\n          '<feOffset in=\"blur\" dx=\"5\" dy=\"5\" result=\"offsetBlur\"/>' +\n          '<feMerge>' +\n            '<feMergeNode in=\"offsetBlur\"/>' +\n            '<feMergeNode in=\"SourceGraphic\"/>' +\n          '</feMerge>' +\n        '</filter>' +\n      '</defs>' +\n    '</svg>'\n  ).documentElement,\n  true\n);\ncontainer.append(svgroot);\n\n/**\n * The actual element that represents the final output SVG element\n * @name module:svgcanvas~svgcontent\n * @type {SVGSVGElement}\n */\nlet svgcontent = svgdoc.createElementNS(NS.SVG, 'svg');\n\n/**\n* This function resets the svgcontent element while keeping it in the DOM.\n* @function module:svgcanvas.SvgCanvas#clearSvgContentElement\n* @returns {undefined}\n*/\nconst clearSvgContentElement = canvas.clearSvgContentElement = function () {\n  $(svgcontent).empty();\n\n  // TODO: Clear out all other attributes first?\n  $(svgcontent).attr({\n    id: 'svgcontent',\n    width: dimensions[0],\n    height: dimensions[1],\n    x: dimensions[0],\n    y: dimensions[1],\n    overflow: curConfig.show_outside_canvas ? 'visible' : 'hidden',\n    xmlns: NS.SVG,\n    'xmlns:se': NS.SE,\n    'xmlns:xlink': NS.XLINK\n  }).appendTo(svgroot);\n\n  // TODO: make this string optional and set by the client\n  const comment = svgdoc.createComment(' Created with SVG-edit - https://github.com/SVG-Edit/svgedit');\n  svgcontent.append(comment);\n};\nclearSvgContentElement();\n\n// Prefix string for element IDs\nlet idprefix = 'svg_';\n\n/**\n* Changes the ID prefix to the given value\n* @function module:svgcanvas.SvgCanvas#setIdPrefix\n* @param {string} p - String with the new prefix\n* @returns {undefined}\n*/\ncanvas.setIdPrefix = function (p) {\n  idprefix = p;\n};\n\n/**\n* Current draw.Drawing object\n* @type {module:draw.Drawing}\n* @name module:svgcanvas.SvgCanvas#current_drawing_\n*/\ncanvas.current_drawing_ = new draw.Drawing(svgcontent, idprefix);\n\n/**\n* Returns the current Drawing.\n* @function module:svgcanvas.SvgCanvas#getCurrentDrawing\n* @implements {module:draw.DrawCanvasInit#getCurrentDrawing}\n*/\nconst getCurrentDrawing = canvas.getCurrentDrawing = function () {\n  return canvas.current_drawing_;\n};\n\n/**\n* Float displaying the current zoom level (1 = 100%, .5 = 50%, etc)\n* @type {Float}\n*/\nlet currentZoom = 1;\n\n// pointer to current group (for in-group editing)\nlet currentGroup = null;\n\n// Object containing data for the currently selected styles\nconst allProperties = {\n  shape: {\n    fill: (curConfig.initFill.color === 'none' ? '' : '#') + curConfig.initFill.color,\n    fill_paint: null,\n    fill_opacity: curConfig.initFill.opacity,\n    stroke: '#' + curConfig.initStroke.color,\n    stroke_paint: null,\n    stroke_opacity: curConfig.initStroke.opacity,\n    stroke_width: curConfig.initStroke.width,\n    stroke_dasharray: 'none',\n    stroke_linejoin: 'miter',\n    stroke_linecap: 'butt',\n    opacity: curConfig.initOpacity\n  }\n};\n\nallProperties.text = $.extend(true, {}, allProperties.shape);\n$.extend(allProperties.text, {\n  fill: '#000000',\n  stroke_width: curConfig.text && curConfig.text.stroke_width,\n  font_size: curConfig.text && curConfig.text.font_size,\n  font_family: curConfig.text && curConfig.text.font_family\n});\n\n// Current shape style properties\nconst curShape = allProperties.shape;\n\n// Array with all the currently selected elements\n// default size of 1 until it needs to grow bigger\nlet selectedElements = [];\n\n/**\n* @typedef {PlainObject} module:svgcanvas.SVGAsJSON\n* @property {string} element\n* @property {PlainObject.<string, string>} attr\n* @property {module:svgcanvas.SVGAsJSON[]} children\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getContentElem\n* @param {Text|Element} data\n* @returns {module:svgcanvas.SVGAsJSON}\n*/\nconst getJsonFromSvgElement = this.getJsonFromSvgElement = function (data) {\n  // Text node\n  if (data.nodeType === 3) return data.nodeValue;\n\n  const retval = {\n    element: data.tagName,\n    // namespace: nsMap[data.namespaceURI],\n    attr: {},\n    children: []\n  };\n\n  // Iterate attributes\n  for (let i = 0, attr; (attr = data.attributes[i]); i++) {\n    retval.attr[attr.name] = attr.value;\n  }\n\n  // Iterate children\n  for (let i = 0, node; (node = data.childNodes[i]); i++) {\n    retval.children[i] = getJsonFromSvgElement(node);\n  }\n\n  return retval;\n};\n\n/**\n* This should really be an intersection implementing all rather than a union\n* @function module:svgcanvas.SvgCanvas#addSVGElementFromJson\n* @implements {module:utilities.EditorContext#addSVGElementFromJson|module:path.EditorContext#addSVGElementFromJson}\n*/\nconst addSVGElementFromJson = this.addSVGElementFromJson = function (data) {\n  if (typeof data === 'string') return svgdoc.createTextNode(data);\n\n  let shape = getElem(data.attr.id);\n  // if shape is a path but we need to create a rect/ellipse, then remove the path\n  const currentLayer = getCurrentDrawing().getCurrentLayer();\n  if (shape && data.element !== shape.tagName) {\n    shape.remove();\n    shape = null;\n  }\n  if (!shape) {\n    const ns = data.namespace || NS.SVG;\n    shape = svgdoc.createElementNS(ns, data.element);\n    if (currentLayer) {\n      (currentGroup || currentLayer).append(shape);\n    }\n  }\n  if (data.curStyles) {\n    assignAttributes(shape, {\n      fill: curShape.fill,\n      stroke: curShape.stroke,\n      'stroke-width': curShape.stroke_width,\n      'stroke-dasharray': curShape.stroke_dasharray,\n      'stroke-linejoin': curShape.stroke_linejoin,\n      'stroke-linecap': curShape.stroke_linecap,\n      'stroke-opacity': curShape.stroke_opacity,\n      'fill-opacity': curShape.fill_opacity,\n      opacity: curShape.opacity / 2,\n      style: 'pointer-events:inherit'\n    }, 100);\n  }\n  assignAttributes(shape, data.attr, 100);\n  cleanupElement(shape);\n\n  // Children\n  if (data.children) {\n    data.children.forEach((child) => {\n      shape.append(addSVGElementFromJson(child));\n    });\n  }\n\n  return shape;\n};\n\ncanvas.getTransformList = getTransformList;\n\ncanvas.matrixMultiply = matrixMultiply;\ncanvas.hasMatrixTransform = hasMatrixTransform;\ncanvas.transformListToTransform = transformListToTransform;\n\n/**\n* @implements {module:utilities.EditorContext#getBaseUnit}\n*/\nconst getBaseUnit = () => { return curConfig.baseUnit; };\n\n/**\n* initialize from units.js.\n* Send in an object implementing the ElementContainer interface (see units.js)\n*/\nunitsInit(\n  /**\n  * @implements {module:units.ElementContainer}\n  */\n  {\n    getBaseUnit,\n    getElement: getElem,\n    getHeight () { return svgcontent.getAttribute('height') / currentZoom; },\n    getWidth () { return svgcontent.getAttribute('width') / currentZoom; },\n    getRoundDigits () { return saveOptions.round_digits; }\n  }\n);\n\ncanvas.convertToNum = convertToNum;\n\n/**\n* This should really be an intersection implementing all rather than a union\n* @implements {module:draw.DrawCanvasInit#getSVGContent|module:utilities.EditorContext#getSVGContent}\n*/\nconst getSVGContent = () => { return svgcontent; };\n\n/**\n* Should really be an intersection with all needing to apply rather than a union\n* @function module:svgcanvas.SvgCanvas#getSelectedElements\n* @implements {module:utilities.EditorContext#getSelectedElements|module:draw.DrawCanvasInit#getSelectedElements|module:path.EditorContext#getSelectedElements}\n*/\nconst getSelectedElements = this.getSelectedElems = function () {\n  return selectedElements;\n};\n\nconst pathActions = pathModule.pathActions;\n\n/**\n* This should actually be an intersection as all interfaces should be met\n* @implements {module:utilities.EditorContext#getSVGRoot|module:recalculate.EditorContext#getSVGRoot|module:coords.EditorContext#getSVGRoot|module:path.EditorContext#getSVGRoot}\n*/\nconst getSVGRoot = () => svgroot;\n\nutilsInit(\n  /**\n  * @implements {module:utilities.EditorContext}\n  */\n  {\n    pathActions, // Ok since not modifying\n    getSVGContent,\n    addSVGElementFromJson,\n    getSelectedElements,\n    getDOMDocument () { return svgdoc; },\n    getDOMContainer () { return container; },\n    getSVGRoot,\n    // TODO: replace this mostly with a way to get the current drawing.\n    getBaseUnit,\n    getSnappingStep () { return curConfig.snappingStep; }\n  }\n);\n\ncanvas.findDefs = findDefs;\ncanvas.getUrlFromAttr = getUrlFromAttr;\ncanvas.getHref = getHref;\ncanvas.setHref = setHref;\n/* const getBBox = */ canvas.getBBox = utilsGetBBox;\ncanvas.getRotationAngle = getRotationAngle;\ncanvas.getElem = getElem;\ncanvas.getRefElem = getRefElem;\ncanvas.assignAttributes = assignAttributes;\n\nthis.cleanupElement = cleanupElement;\n\n/**\n* This should actually be an intersection not a union as all should apply\n* @implements {module:coords.EditorContext|module:path.EditorContext}\n*/\nconst getGridSnapping = () => { return curConfig.gridSnapping; };\n\ncoordsInit(\n  /**\n  * @implements {module:coords.EditorContext}\n  */\n  {\n    getDrawing () { return getCurrentDrawing(); },\n    getSVGRoot,\n    getGridSnapping\n  }\n);\nthis.remapElement = remapElement;\n\nrecalculateInit(\n  /**\n  * @implements {module:recalculate.EditorContext}\n  */\n  {\n    getSVGRoot,\n    getStartTransform () { return startTransform; },\n    setStartTransform (transform) { startTransform = transform; }\n  }\n);\nthis.recalculateDimensions = recalculateDimensions;\n\n// import from sanitize.js\nconst nsMap = getReverseNS();\ncanvas.sanitizeSvg = sanitizeSvg;\n\n/**\n* @name undoMgr\n* @memberof module:svgcanvas.SvgCanvas#\n* @type {module:history.HistoryEventHandler}\n*/\nconst undoMgr = canvas.undoMgr = new UndoManager({\n  /**\n   * @param {string} eventType One of the HistoryEvent types\n   * @param {module:history.HistoryCommand} cmd Fulfills the HistoryCommand interface\n   * @fires module:svgcanvas.SvgCanvas#event:changed\n   * @returns {undefined}\n   */\n  handleHistoryEvent (eventType, cmd) {\n    const EventTypes = HistoryEventTypes;\n    // TODO: handle setBlurOffsets.\n    if (eventType === EventTypes.BEFORE_UNAPPLY || eventType === EventTypes.BEFORE_APPLY) {\n      canvas.clearSelection();\n    } else if (eventType === EventTypes.AFTER_APPLY || eventType === EventTypes.AFTER_UNAPPLY) {\n      const elems = cmd.elements();\n      canvas.pathActions.clear();\n      call('changed', elems);\n      const cmdType = cmd.type();\n      const isApply = (eventType === EventTypes.AFTER_APPLY);\n      if (cmdType === MoveElementCommand.type()) {\n        const parent = isApply ? cmd.newParent : cmd.oldParent;\n        if (parent === svgcontent) {\n          draw.identifyLayers();\n        }\n      } else if (cmdType === InsertElementCommand.type() ||\n          cmdType === RemoveElementCommand.type()) {\n        if (cmd.parent === svgcontent) {\n          draw.identifyLayers();\n        }\n        if (cmdType === InsertElementCommand.type()) {\n          if (isApply) { restoreRefElems(cmd.elem); }\n        } else {\n          if (!isApply) { restoreRefElems(cmd.elem); }\n        }\n        if (cmd.elem.tagName === 'use') {\n          setUseData(cmd.elem);\n        }\n      } else if (cmdType === ChangeElementCommand.type()) {\n        // if we are changing layer names, re-identify all layers\n        if (cmd.elem.tagName === 'title' &&\n          cmd.elem.parentNode.parentNode === svgcontent\n        ) {\n          draw.identifyLayers();\n        }\n        const values = isApply ? cmd.newValues : cmd.oldValues;\n        // If stdDeviation was changed, update the blur.\n        if (values.stdDeviation) {\n          canvas.setBlurOffsets(cmd.elem.parentNode, values.stdDeviation);\n        }\n        // This is resolved in later versions of webkit, perhaps we should\n        // have a featured detection for correct 'use' behavior?\n        // ——————————\n        // Remove & Re-add hack for Webkit (issue 775)\n        // if (cmd.elem.tagName === 'use' && isWebkit()) {\n        //  const {elem} = cmd;\n        //  if (!elem.getAttribute('x') && !elem.getAttribute('y')) {\n        //    const parent = elem.parentNode;\n        //    const sib = elem.nextSibling;\n        //    elem.remove();\n        //    parent.insertBefore(elem, sib);\n        //    // Ok to replace above with this? `sib.before(elem);`\n        //  }\n        // }\n      }\n    }\n  }\n});\n\n/**\n* This should really be an intersection applying to all types rather than a union\n* @function module:svgcanvas~addCommandToHistory\n* @implements {module:path.EditorContext#addCommandToHistory|module:draw.DrawCanvasInit#addCommandToHistory}\n*/\nconst addCommandToHistory = function (cmd) {\n  canvas.undoMgr.addCommandToHistory(cmd);\n};\n\n/**\n* This should really be an intersection applying to all types rather than a union\n* @function module:svgcanvas.SvgCanvas#getZoom\n* @implements {module:path.EditorContext#getCurrentZoom|module:select.SVGFactory#getCurrentZoom}\n*/\nconst getCurrentZoom = this.getZoom = function () { return currentZoom; };\n\n/**\n* This method rounds the incoming value to the nearest value based on the `currentZoom`\n* @function module:svgcanvas.SvgCanvas#round\n* @implements {module:path.EditorContext#round}\n*/\nconst round = this.round = function (val) {\n  return parseInt(val * currentZoom, 10) / currentZoom;\n};\n\nselectInit(\n  curConfig,\n  /**\n  * Export to select.js\n  * @implements {module:select.SVGFactory}\n  */\n  {\n    createSVGElement (jsonMap) { return canvas.addSVGElementFromJson(jsonMap); },\n    svgRoot () { return svgroot; },\n    svgContent () { return svgcontent; },\n    getCurrentZoom\n  }\n);\n/**\n* This object manages selectors for us\n* @name module:svgcanvas.SvgCanvas#selectorManager\n* @type {module:select.SelectorManager}\n*/\nconst selectorManager = this.selectorManager = getSelectorManager();\n\n/**\n* @function module:svgcanvas.SvgCanvas#getNextId\n* @implements {module:path.EditorContext#getNextId}\n*/\nconst getNextId = canvas.getNextId = function () {\n  return getCurrentDrawing().getNextId();\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getId\n* @implements {module:path.EditorContext#getId}\n*/\nconst getId = canvas.getId = function () {\n  return getCurrentDrawing().getId();\n};\n\n/**\n* The \"implements\" should really be an intersection applying to all types rather than a union\n* @function module:svgcanvas.SvgCanvas#call\n* @implements {module:draw.DrawCanvasInit#call|module:path.EditorContext#call}\n* @param {\"selected\"|\"changed\"|\"contextset\"|\"pointsAdded\"|\"extension_added\"|\"extensions_added\"|\"message\"|\"transition\"|\"zoomed\"|\"updateCanvas\"|\"zoomDone\"|\"saved\"|\"exported\"|\"exportedPDF\"|\"setnonce\"|\"unsetnonce\"|\"cleared\"} ev - String with the event name\n* @param {module:svgcanvas.SvgCanvas#event:GenericCanvasEvent} arg - Argument to pass through to the callback function.\n* @returns {undefined}\n*/\nconst call = function (ev, arg) {\n  if (events[ev]) {\n    return events[ev](window, arg);\n  }\n};\n\n/**\n* Clears the selection. The 'selected' handler is then optionally called.\n* This should really be an intersection applying to all types rather than a union\n* @function module:svgcanvas.SvgCanvas#clearSelection\n* @implements {module:draw.DrawCanvasInit#clearSelection|module:path.EditorContext#clearSelection}\n* @fires module:svgcanvas.SvgCanvas#event:selected\n*/\nconst clearSelection = this.clearSelection = function (noCall) {\n  selectedElements.forEach((elem) => {\n    if (elem == null) {\n      return;\n    }\n    selectorManager.releaseSelector(elem);\n  });\n  selectedElements = [];\n\n  if (!noCall) { call('selected', selectedElements); }\n};\n\n/**\n* Adds a list of elements to the selection. The 'selected' handler is then called.\n* @function module:svgcanvas.SvgCanvas#addToSelection\n* @implements {module:path.EditorContext#addToSelection}\n* @fires module:svgcanvas.SvgCanvas#event:selected\n*/\nconst addToSelection = this.addToSelection = function (elemsToAdd, showGrips) {\n  if (!elemsToAdd.length) { return; }\n  // find the first null in our selectedElements array\n\n  let j = 0;\n  while (j < selectedElements.length) {\n    if (selectedElements[j] == null) {\n      break;\n    }\n    ++j;\n  }\n\n  // now add each element consecutively\n  let i = elemsToAdd.length;\n  while (i--) {\n    let elem = elemsToAdd[i];\n    if (!elem) { continue; }\n    const bbox = utilsGetBBox(elem);\n    if (!bbox) { continue; }\n\n    if (elem.tagName === 'a' && elem.childNodes.length === 1) {\n      // Make \"a\" element's child be the selected element\n      elem = elem.firstChild;\n    }\n\n    // if it's not already there, add it\n    if (!selectedElements.includes(elem)) {\n      selectedElements[j] = elem;\n\n      // only the first selectedBBoxes element is ever used in the codebase these days\n      // if (j === 0) selectedBBoxes[0] = utilsGetBBox(elem);\n      j++;\n      const sel = selectorManager.requestSelector(elem, bbox);\n\n      if (selectedElements.length > 1) {\n        sel.showGrips(false);\n      }\n    }\n  }\n  call('selected', selectedElements);\n\n  if (showGrips || selectedElements.length === 1) {\n    selectorManager.requestSelector(selectedElements[0]).showGrips(true);\n  } else {\n    selectorManager.requestSelector(selectedElements[0]).showGrips(false);\n  }\n\n  // make sure the elements are in the correct order\n  // See: https://www.w3.org/TR/DOM-Level-3-Core/core.html#Node3-compareDocumentPosition\n\n  selectedElements.sort(function (a, b) {\n    if (a && b && a.compareDocumentPosition) {\n      return 3 - (b.compareDocumentPosition(a) & 6);\n    }\n    if (a == null) {\n      return 1;\n    }\n  });\n\n  // Make sure first elements are not null\n  while (selectedElements[0] == null) {\n    selectedElements.shift(0);\n  }\n};\n\n/**\n* @implements {module:path.EditorContext#getOpacity}\n*/\nconst getOpacity = function () {\n  return curShape.opacity;\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getMouseTarget\n* @implements {module:path.EditorContext#getMouseTarget}\n*/\nconst getMouseTarget = this.getMouseTarget = function (evt) {\n  if (evt == null) {\n    return null;\n  }\n  let mouseTarget = evt.target;\n\n  // if it was a <use>, Opera and WebKit return the SVGElementInstance\n  if (mouseTarget.correspondingUseElement) { mouseTarget = mouseTarget.correspondingUseElement; }\n\n  // for foreign content, go up until we find the foreignObject\n  // WebKit browsers set the mouse target to the svgcanvas div\n  if ([NS.MATH, NS.HTML].includes(mouseTarget.namespaceURI) &&\n    mouseTarget.id !== 'svgcanvas'\n  ) {\n    while (mouseTarget.nodeName !== 'foreignObject') {\n      mouseTarget = mouseTarget.parentNode;\n      if (!mouseTarget) { return svgroot; }\n    }\n  }\n\n  // Get the desired mouseTarget with jQuery selector-fu\n  // If it's root-like, select the root\n  const currentLayer = getCurrentDrawing().getCurrentLayer();\n  if ([svgroot, container, svgcontent, currentLayer].includes(mouseTarget)) {\n    return svgroot;\n  }\n\n  const $target = $(mouseTarget);\n\n  // If it's a selection grip, return the grip parent\n  if ($target.closest('#selectorParentGroup').length) {\n    // While we could instead have just returned mouseTarget,\n    // this makes it easier to indentify as being a selector grip\n    return selectorManager.selectorParentGroup;\n  }\n\n  while (mouseTarget.parentNode !== (currentGroup || currentLayer)) {\n    mouseTarget = mouseTarget.parentNode;\n  }\n\n  //\n  // // go up until we hit a child of a layer\n  // while (mouseTarget.parentNode.parentNode.tagName == 'g') {\n  //   mouseTarget = mouseTarget.parentNode;\n  // }\n  // Webkit bubbles the mouse event all the way up to the div, so we\n  // set the mouseTarget to the svgroot like the other browsers\n  // if (mouseTarget.nodeName.toLowerCase() == 'div') {\n  //   mouseTarget = svgroot;\n  // }\n\n  return mouseTarget;\n};\n\n/**\n* @namespace {module:path.pathActions} pathActions\n* @memberof module:svgcanvas.SvgCanvas#\n* @see module:path.pathActions\n*/\ncanvas.pathActions = pathActions;\n/**\n* @implements {module:path.EditorContext#resetD}\n*/\nfunction resetD (p) {\n  p.setAttribute('d', pathActions.convertPath(p));\n}\npathModule.init(\n  /**\n  * @implements {module:path.EditorContext}\n  */\n  {\n    selectorManager, // Ok since not changing\n    canvas, // Ok since not changing\n    call,\n    resetD,\n    round,\n    clearSelection,\n    addToSelection,\n    addCommandToHistory,\n    remapElement,\n    addSVGElementFromJson,\n    getGridSnapping,\n    getOpacity,\n    getSelectedElements,\n    getContainer () {\n      return container;\n    },\n    setStarted (s) {\n      started = s;\n    },\n    getRubberBox () {\n      return rubberBox;\n    },\n    setRubberBox (rb) {\n      rubberBox = rb;\n      return rubberBox;\n    },\n    /**\n     * @param {boolean} closedSubpath\n     * @param {SVGCircleElement[]} grips\n     * @fires module:svgcanvas.SvgCanvas#event:pointsAdded\n     * @fires module:svgcanvas.SvgCanvas#event:selected\n     */\n    addPtsToSelection ({closedSubpath, grips}) {\n      // TODO: Correct this:\n      pathActions.canDeleteNodes = true;\n      pathActions.closed_subpath = closedSubpath;\n      call('pointsAdded', {closedSubpath, grips});\n      call('selected', grips);\n    },\n    /**\n     * @param {ChangeElementCommand} cmd\n     * @param {SVGPathElement} elem\n     * @fires module:svgcanvas.SvgCanvas#event:changed\n     * @returns {undefined}\n     */\n    endChanges ({cmd, elem}) {\n      addCommandToHistory(cmd);\n      call('changed', [elem]);\n    },\n    getCurrentZoom,\n    getId,\n    getNextId,\n    getMouseTarget,\n    getCurrentMode () {\n      return currentMode;\n    },\n    setCurrentMode (cm) {\n      currentMode = cm;\n      return currentMode;\n    },\n    getDrawnPath () {\n      return drawnPath;\n    },\n    setDrawnPath (dp) {\n      drawnPath = dp;\n      return drawnPath;\n    },\n    getSVGRoot\n  }\n);\n\n// Interface strings, usually for title elements\nconst uiStrings = {};\n\nconst visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use';\nconst refAttrs = ['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'];\n\nconst elData = $.data;\n\n// Animation element to change the opacity of any newly created element\nconst opacAni = document.createElementNS(NS.SVG, 'animate');\n$(opacAni).attr({\n  attributeName: 'opacity',\n  begin: 'indefinite',\n  dur: 1,\n  fill: 'freeze'\n}).appendTo(svgroot);\n\nconst restoreRefElems = function (elem) {\n  // Look for missing reference elements, restore any found\n  const attrs = $(elem).attr(refAttrs);\n  for (const o in attrs) {\n    const val = attrs[o];\n    if (val && val.startsWith('url(')) {\n      const id = getUrlFromAttr(val).substr(1);\n      const ref = getElem(id);\n      if (!ref) {\n        findDefs().append(removedElements[id]);\n        delete removedElements[id];\n      }\n    }\n  }\n\n  const childs = elem.getElementsByTagName('*');\n\n  if (childs.length) {\n    for (let i = 0, l = childs.length; i < l; i++) {\n      restoreRefElems(childs[i]);\n    }\n  }\n};\n\n// (function () {\n// TODO For Issue 208: this is a start on a thumbnail\n//  const svgthumb = svgdoc.createElementNS(NS.SVG, 'use');\n//  svgthumb.setAttribute('width', '100');\n//  svgthumb.setAttribute('height', '100');\n//  setHref(svgthumb, '#svgcontent');\n//  svgroot.append(svgthumb);\n// }());\n\n/**\n * @typedef {PlainObject} module:svgcanvas.SaveOptions\n * @property {boolean} apply\n * @property {\"embed\"} [image]\n * @property {Integer} round_digits\n */\n\n// Object to contain image data for raster images that were found encodable\nconst encodableImages = {},\n\n  // Object with save options\n  /**\n   * @type {module:svgcanvas.SaveOptions}\n   */\n  saveOptions = {round_digits: 5},\n\n  // Object with IDs for imported files, to see if one was already added\n  importIds = {},\n\n  // Current text style properties\n  curText = allProperties.text,\n\n  // Object to contain all included extensions\n  extensions = {},\n\n  // Map of deleted reference elements\n  removedElements = {};\n\nlet\n  // String with image URL of last loadable image\n  lastGoodImgUrl = curConfig.imgPath + 'logo.png',\n\n  // Boolean indicating whether or not a draw action has been started\n  started = false,\n\n  // String with an element's initial transform attribute value\n  startTransform = null,\n\n  // String indicating the current editor mode\n  currentMode = 'select',\n\n  // String with the current direction in which an element is being resized\n  currentResizeMode = 'none',\n\n  // Current general properties\n  curProperties = curShape,\n\n  // Array with selected elements' Bounding box object\n  // selectedBBoxes = new Array(1),\n\n  // The DOM element that was just selected\n  justSelected = null,\n\n  // DOM element for selection rectangle drawn by the user\n  rubberBox = null,\n\n  // Array of current BBoxes, used in getIntersectionList().\n  curBBoxes = [],\n\n  // Canvas point for the most recent right click\n  lastClickPoint = null;\n\n/**\n* @typedef {module:svgcanvas.ExtensionMouseDownStatus|module:svgcanvas.ExtensionMouseUpStatus|module:svgcanvas.ExtensionIDsUpdatedStatus|module:locale.ExtensionLocaleData[]|undefined} module:svgcanvas.ExtensionStatus\n* @tutorial ExtensionDocs\n*/\n/**\n* @callback module:svgcanvas.ExtensionVarBuilder\n* @param {string} name The name of the extension\n*/\n/**\n* @todo Consider: Should this return an array by default, so extension results aren't overwritten?\n* @todo Would be easier to document if passing in object with key of action and vars as value; could then define an interface which tied both together\n* @function module:svgcanvas.SvgCanvas#runExtensions\n* @param {\"mouseDown\"|\"mouseMove\"|\"mouseUp\"|\"zoomChanged\"|\"IDsUpdated\"|\"canvasUpdated\"|\"toolButtonStateUpdate\"|\"selectedChanged\"|\"elementTransition\"|\"elementChanged\"|\"langReady\"|\"langChanged\"|\"addLangData\"|\"onNewDocument\"|\"workareaResized\"} action\n* @param {module:svgcanvas.SvgCanvas#event:ext-mouseDown|module:svgcanvas.SvgCanvas#event:ext-mouseMove|module:svgcanvas.SvgCanvas#event:ext-mouseUp|module:svgcanvas.SvgCanvas#event:ext-zoomChanged|module:svgcanvas.SvgCanvas#event:ext-IDsUpdated|module:svgcanvas.SvgCanvas#event:ext-canvasUpdated|module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate|module:svgcanvas.SvgCanvas#event:ext-selectedChanged|module:svgcanvas.SvgCanvas#event:ext-elementTransition|module:svgcanvas.SvgCanvas#event:ext-elementChanged|module:svgcanvas.SvgCanvas#event:ext-langReady|module:svgcanvas.SvgCanvas#event:ext-langChanged|module:svgcanvas.SvgCanvas#event:ext-addLangData|module:svgcanvas.SvgCanvas#event:ext-onNewDocument|module:svgcanvas.SvgCanvas#event:ext-workareaResized|module:svgcanvas.ExtensionVarBuilder} [vars]\n* @param {boolean} [returnArray]\n* @returns {GenericArray.<module:svgcanvas.ExtensionStatus>|module:svgcanvas.ExtensionStatus|false} See {@tutorial ExtensionDocs} on the ExtensionStatus.\n*/\nconst runExtensions = this.runExtensions = function (action, vars, returnArray) {\n  let result = returnArray ? [] : false;\n  $.each(extensions, function (name, ext) {\n    if (ext && action in ext) {\n      if (typeof vars === 'function') {\n        vars = vars(name); // ext, action\n      }\n      if (returnArray) {\n        result.push(ext[action](vars));\n      } else {\n        result = ext[action](vars);\n      }\n    }\n  });\n  return result;\n};\n\n/**\n* @typedef {PlainObject} module:svgcanvas.ExtensionMouseDownStatus\n* @property {boolean} started Indicates that creating/editing has started\n*/\n/**\n* @typedef {PlainObject} module:svgcanvas.ExtensionMouseUpStatus\n* @property {boolean} keep Indicates if the current element should be kept\n* @property {boolean} started Indicates if editing should still be considered as \"started\"\n* @property {Element} element The element being affected\n*/\n/**\n* @typedef {PlainObject} module:svgcanvas.ExtensionIDsUpdatedStatus\n* @property {string[]} remove Contains string IDs (used by `ext-connector.js`)\n*/\n\n/**\n * @interface module:svgcanvas.ExtensionInitResponse\n * @property {module:SVGEditor.ContextTool[]|PlainObject.<string, module:SVGEditor.ContextTool>} [context_tools]\n * @property {module:SVGEditor.Button[]|PlainObject.<Integer, module:SVGEditor.Button>} [buttons]\n * @property {string} [svgicons] The location of a local SVG or SVGz file\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#mouseDown\n * @param {module:svgcanvas.SvgCanvas#event:ext-mouseDown} arg\n * @returns {undefined|module:svgcanvas.ExtensionMouseDownStatus}\n */\n/**\n * @function module:svgcanvas.ExtensionInitResponse#mouseMove\n * @param {module:svgcanvas.SvgCanvas#event:ext-mouseMove} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#mouseUp\n * @param {module:svgcanvas.SvgCanvas#event:ext-mouseUp} arg\n * @returns {module:svgcanvas.ExtensionMouseUpStatus}\n */\n/**\n * @function module:svgcanvas.ExtensionInitResponse#zoomChanged\n * @param {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#IDsUpdated\n * @param {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} arg\n * @returns {module:svgcanvas.ExtensionIDsUpdatedStatus}\n */\n/**\n * @function module:svgcanvas.ExtensionInitResponse#canvasUpdated\n * @param {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#toolButtonStateUpdate\n * @param {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#selectedChanged\n * @param {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#elementTransition\n * @param {module:svgcanvas.SvgCanvas#event:ext-elementTransition} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#elementChanged\n * @param {module:svgcanvas.SvgCanvas#event:ext-elementChanged} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#langReady\n * @param {module:svgcanvas.SvgCanvas#event:ext-langReady} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#langChanged\n * @param {module:svgcanvas.SvgCanvas#event:ext-langChanged} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#addLangData\n * @param {module:svgcanvas.SvgCanvas#event:ext-addLangData} arg\n * @returns {Promise} Resolves to {@link module:locale.ExtensionLocaleData}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#onNewDocument\n * @param {module:svgcanvas.SvgCanvas#event:ext-onNewDocument} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#workareaResized\n * @param {module:svgcanvas.SvgCanvas#event:ext-workareaResized} arg\n * @returns {undefined}\n*/\n/**\n * @function module:svgcanvas.ExtensionInitResponse#callback\n * @param {module:svgcanvas.SvgCanvas#event:ext-callback} arg\n * @returns {undefined}\n*/\n\n/**\n* @callback module:svgcanvas.ExtensionInitCallback\n* @this module:SVGEditor\n* @param {module:svgcanvas.ExtensionArgumentObject} arg\n* @returns {Promise} Resolves to [ExtensionInitResponse]{@link module:svgcanvas.ExtensionInitResponse} or `undefined`\n*/\n/**\n* Add an extension to the editor\n* @function module:svgcanvas.SvgCanvas#addExtension\n* @param {string} name - String with the ID of the extension. Used internally; no need for i18n.\n* @param {module:svgcanvas.ExtensionInitCallback} [extInitFunc] - Function supplied by the extension with its data\n* @param {module:SVGEditor~ImportLocale} importLocale\n* @fires module:svgcanvas.SvgCanvas#event:extension_added\n* @throws {TypeError} If `extInitFunc` is not a function\n* @returns {Promise} Resolves to `undefined`\n*/\nthis.addExtension = async function (name, extInitFunc, importLocale) {\n  if (typeof extInitFunc !== 'function') {\n    throw new TypeError('Function argument expected for `svgcanvas.addExtension`');\n  }\n  if (!(name in extensions)) {\n    // Provide private vars/funcs here. Is there a better way to do this?\n    /**\n     * @typedef {module:svgcanvas.PrivateMethods} module:svgcanvas.ExtensionArgumentObject\n     * @property {SVGSVGElement} svgroot See {@link module:svgcanvas~svgroot}\n     * @property {SVGSVGElement} svgcontent See {@link module:svgcanvas~svgcontent}\n     * @property {!(string|Integer)} nonce See {@link module:draw.Drawing#getNonce}\n     * @property {module:select.SelectorManager} selectorManager\n     * @property {module:SVGEditor~ImportLocale} importLocale\n     */\n    /**\n     * @type {module:svgcanvas.ExtensionArgumentObject}\n     * @see {@link module:svgcanvas.PrivateMethods} source for the other methods/properties\n     */\n    const argObj = $.extend(canvas.getPrivateMethods(), {\n      importLocale,\n      svgroot,\n      svgcontent,\n      nonce: getCurrentDrawing().getNonce(),\n      selectorManager\n    });\n    const extObj = await extInitFunc(argObj);\n    if (extObj) {\n      extObj.name = name;\n    }\n\n    extensions[name] = extObj;\n    return call('extension_added', extObj);\n  } else {\n    console.log('Cannot add extension \"' + name + '\", an extension by that name already exists.');\n  }\n};\n\n/**\n* This method sends back an array or a NodeList full of elements that\n* intersect the multi-select rubber-band-box on the currentLayer only.\n*\n* We brute-force `getIntersectionList` for browsers that do not support it (Firefox).\n*\n* Reference:\n* Firefox does not implement `getIntersectionList()`, see {@link https://bugzilla.mozilla.org/show_bug.cgi?id=501421}\n* @function module:svgcanvas.SvgCanvas#getIntersectionList\n* @param {SVGRect} rect\n* @returns {Element[]|NodeList} Bbox elements\n*/\nconst getIntersectionList = this.getIntersectionList = function (rect) {\n  if (rubberBox == null) { return null; }\n\n  const parent = currentGroup || getCurrentDrawing().getCurrentLayer();\n\n  let rubberBBox;\n  if (!rect) {\n    rubberBBox = rubberBox.getBBox();\n    const bb = svgcontent.createSVGRect();\n\n    for (const o in rubberBBox) {\n      bb[o] = rubberBBox[o] / currentZoom;\n    }\n    rubberBBox = bb;\n  } else {\n    rubberBBox = svgcontent.createSVGRect();\n    rubberBBox.x = rect.x;\n    rubberBBox.y = rect.y;\n    rubberBBox.width = rect.width;\n    rubberBBox.height = rect.height;\n  }\n\n  let resultList = null;\n  if (!isIE) {\n    if (typeof svgroot.getIntersectionList === 'function') {\n      // Offset the bbox of the rubber box by the offset of the svgcontent element.\n      rubberBBox.x += parseInt(svgcontent.getAttribute('x'), 10);\n      rubberBBox.y += parseInt(svgcontent.getAttribute('y'), 10);\n\n      resultList = svgroot.getIntersectionList(rubberBBox, parent);\n    }\n  }\n\n  if (resultList == null || typeof resultList.item !== 'function') {\n    resultList = [];\n\n    if (!curBBoxes.length) {\n      // Cache all bboxes\n      curBBoxes = getVisibleElementsAndBBoxes(parent);\n    }\n    let i = curBBoxes.length;\n    while (i--) {\n      if (!rubberBBox.width) { continue; }\n      if (rectsIntersect(rubberBBox, curBBoxes[i].bbox)) {\n        resultList.push(curBBoxes[i].elem);\n      }\n    }\n  }\n\n  // addToSelection expects an array, but it's ok to pass a NodeList\n  // because using square-bracket notation is allowed:\n  // https://www.w3.org/TR/DOM-Level-2-Core/ecma-script-binding.html\n  return resultList;\n};\n\nthis.getStrokedBBox = getStrokedBBoxDefaultVisible;\n\nthis.getVisibleElements = getVisibleElements;\n\n/**\n* @typedef {PlainObject} ElementAndBBox\n* @property {Element} elem - The element\n* @property {module:utilities.BBoxObject} bbox - The element's BBox as retrieved from `getStrokedBBoxDefaultVisible`\n*/\n\n/**\n* Get all elements that have a BBox (excludes `<defs>`, `<title>`, etc).\n* Note that 0-opacity, off-screen etc elements are still considered \"visible\"\n* for this function\n* @function module:svgcanvas.SvgCanvas#getVisibleElementsAndBBoxes\n* @param {Element} parent - The parent DOM element to search within\n* @returns {ElementAndBBox[]} An array with objects that include:\n*/\nconst getVisibleElementsAndBBoxes = this.getVisibleElementsAndBBoxes = function (parent) {\n  if (!parent) {\n    parent = $(svgcontent).children(); // Prevent layers from being included\n  }\n  const contentElems = [];\n  $(parent).children().each(function (i, elem) {\n    if (elem.getBBox) {\n      contentElems.push({elem, bbox: getStrokedBBoxDefaultVisible([elem])});\n    }\n  });\n  return contentElems.reverse();\n};\n\n/**\n* Wrap an SVG element into a group element, mark the group as 'gsvg'\n* @function module:svgcanvas.SvgCanvas#groupSvgElem\n* @param {Element} elem - SVG element to wrap\n* @returns {undefined}\n*/\nconst groupSvgElem = this.groupSvgElem = function (elem) {\n  const g = document.createElementNS(NS.SVG, 'g');\n  elem.replaceWith(g);\n  $(g).append(elem).data('gsvg', elem)[0].id = getNextId();\n};\n\n// Set scope for these functions\n\n// Object to contain editor event names and callback functions\nconst events = {};\n\ncanvas.call = call;\n/**\n * Array of what was changed (elements, layers)\n * @event module:svgcanvas.SvgCanvas#event:changed\n * @type {Element[]}\n */\n/**\n * Array of selected elements\n * @event module:svgcanvas.SvgCanvas#event:selected\n * @type {Element[]}\n */\n/**\n * Array of selected elements\n * @event module:svgcanvas.SvgCanvas#event:transition\n * @type {Element[]}\n */\n/**\n * The Element is always `SVGGElement`?\n * If not `null`, will be the set current group element\n * @event module:svgcanvas.SvgCanvas#event:contextset\n * @type {null|Element}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:pointsAdded\n * @type {PlainObject}\n * @property {boolean} closedSubpath\n * @property {SVGCircleElement[]} grips Grips elements\n */\n\n/**\n * @event module:svgcanvas.SvgCanvas#event:zoomed\n * @type {PlainObject}\n * @property {Float} x\n * @property {Float} y\n * @property {Float} width\n * @property {Float} height\n * @property {0.5|2} factor\n * @see module:SVGEditor.BBoxObjectWithFactor\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:updateCanvas\n * @type {PlainObject}\n * @property {false} center\n * @property {module:math.XYObject} newCtr\n */\n/**\n * @typedef {PlainObject} module:svgcanvas.ExtensionInitResponsePlusName\n * @implements {module:svgcanvas.ExtensionInitResponse}\n * @property {string} name The extension's resolved ID (whether explicit or based on file name)\n */\n/**\n * Generalized extension object response of\n * [`init()`]{@link module:svgcanvas.ExtensionInitCallback}\n * along with the name of the extension.\n * @event module:svgcanvas.SvgCanvas#event:extension_added\n * @type {module:svgcanvas.ExtensionInitResponsePlusName|undefined}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:extensions_added\n * @type {undefined}\n*/\n/**\n * @typedef {PlainObject} module:svgcanvas.Message\n * @property {Any} data The data\n * @property {string} origin The origin\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:message\n * @type {module:svgcanvas.Message}\n */\n/**\n * SVG canvas converted to string\n * @event module:svgcanvas.SvgCanvas#event:saved\n * @type {string}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:setnonce\n * @type {!(string|Integer)}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:unsetnonce\n * @type {undefined}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:zoomDone\n * @type {undefined}\n*/\n/**\n * @event module:svgcanvas.SvgCanvas#event:cleared\n * @type {undefined}\n*/\n\n/**\n * @event module:svgcanvas.SvgCanvas#event:exported\n * @type {module:svgcanvas.ImageExportedResults}\n */\n/**\n * @event module:svgcanvas.SvgCanvas#event:exportedPDF\n * @type {module:svgcanvas.PDFExportedResults}\n */\n/**\n * Creating a cover-all class until {@link https://github.com/jsdoc3/jsdoc/issues/1545} may be supported.\n * `undefined` may be returned by {@link module:svgcanvas.SvgCanvas#event:extension_added} if the extension's `init` returns `undefined` It is also the type for the following events \"zoomDone\", \"unsetnonce\", \"cleared\", and \"extensions_added\".\n * @event module:svgcanvas.SvgCanvas#event:GenericCanvasEvent\n * @type {module:svgcanvas.SvgCanvas#event:selected|module:svgcanvas.SvgCanvas#event:changed|module:svgcanvas.SvgCanvas#event:contextset|module:svgcanvas.SvgCanvas#event:pointsAdded|module:svgcanvas.SvgCanvas#event:extension_added|module:svgcanvas.SvgCanvas#event:extensions_added|module:svgcanvas.SvgCanvas#event:message|module:svgcanvas.SvgCanvas#event:transition|module:svgcanvas.SvgCanvas#event:zoomed|module:svgcanvas.SvgCanvas#event:updateCanvas|module:svgcanvas.SvgCanvas#event:saved|module:svgcanvas.SvgCanvas#event:exported|module:svgcanvas.SvgCanvas#event:exportedPDF|module:svgcanvas.SvgCanvas#event:setnonce|module:svgcanvas.SvgCanvas#event:unsetnonce|undefined}\n */\n\n/**\n* @callback module:svgcanvas.EventHandler\n* @param {external:Window} win\n* @param {module:svgcanvas.SvgCanvas#event:GenericCanvasEvent} arg\n* @listens module:svgcanvas.SvgCanvas#event:GenericCanvasEvent\n*/\n\n/**\n* Attaches a callback function to an event\n* @function module:svgcanvas.SvgCanvas#bind\n* @param {\"changed\"|\"contextset\"|\"selected\"|\"pointsAdded\"|\"extension_added\"|\"extensions_added\"|\"message\"|\"transition\"|\"zoomed\"|\"updateCanvas\"|\"zoomDone\"|\"saved\"|\"exported\"|\"exportedPDF\"|\"setnonce\"|\"unsetnonce\"|\"cleared\"} ev - String indicating the name of the event\n* @param {module:svgcanvas.EventHandler} f - The callback function to bind to the event\n* @returns {module:svgcanvas.EventHandler} The previous event\n*/\ncanvas.bind = function (ev, f) {\n  const old = events[ev];\n  events[ev] = f;\n  return old;\n};\n\n/**\n* Runs the SVG Document through the sanitizer and then updates its paths.\n* @function module:svgcanvas.SvgCanvas#prepareSvg\n* @param {XMLDocument} newDoc - The SVG DOM document\n* @returns {undefined}\n*/\nthis.prepareSvg = function (newDoc) {\n  this.sanitizeSvg(newDoc.documentElement);\n\n  // convert paths into absolute commands\n  const paths = [...newDoc.getElementsByTagNameNS(NS.SVG, 'path')];\n  paths.forEach((path) => {\n    path.setAttribute('d', pathActions.convertPath(path));\n    pathActions.fixEnd(path);\n  });\n};\n\n/**\n* Hack for Firefox bugs where text element features aren't updated or get\n* messed up. See issue 136 and issue 137.\n* This function clones the element and re-selects it.\n* @function module:svgcanvas~ffClone\n* @todo Test for this bug on load and add it to \"support\" object instead of\n* browser sniffing\n* @param {Element} elem - The (text) DOM element to clone\n* @returns {Element} Cloned element\n*/\nconst ffClone = function (elem) {\n  if (!isGecko()) { return elem; }\n  const clone = elem.cloneNode(true);\n  elem.before(clone);\n  elem.remove();\n  selectorManager.releaseSelector(elem);\n  selectedElements[0] = clone;\n  selectorManager.requestSelector(clone).showGrips(true);\n  return clone;\n};\n\n// `this.each` is deprecated, if any extension used this it can be recreated by doing this:\n// * @example $(canvas.getRootElem()).children().each(...)\n// * @function module:svgcanvas.SvgCanvas#each\n// this.each = function (cb) {\n//  $(svgroot).children().each(cb);\n// };\n\n/**\n* Removes any old rotations if present, prepends a new rotation at the\n* transformed center\n* @function module:svgcanvas.SvgCanvas#setRotationAngle\n* @param {string|Float} val - The new rotation angle in degrees\n* @param {boolean} preventUndo - Indicates whether the action should be undoable or not\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setRotationAngle = function (val, preventUndo) {\n  // ensure val is the proper type\n  val = parseFloat(val);\n  const elem = selectedElements[0];\n  const oldTransform = elem.getAttribute('transform');\n  const bbox = utilsGetBBox(elem);\n  const cx = bbox.x + bbox.width / 2, cy = bbox.y + bbox.height / 2;\n  const tlist = getTransformList(elem);\n\n  // only remove the real rotational transform if present (i.e. at index=0)\n  if (tlist.numberOfItems > 0) {\n    const xform = tlist.getItem(0);\n    if (xform.type === 4) {\n      tlist.removeItem(0);\n    }\n  }\n  // find Rnc and insert it\n  if (val !== 0) {\n    const center = transformPoint(cx, cy, transformListToTransform(tlist).matrix);\n    const Rnc = svgroot.createSVGTransform();\n    Rnc.setRotate(val, center.x, center.y);\n    if (tlist.numberOfItems) {\n      tlist.insertItemBefore(Rnc, 0);\n    } else {\n      tlist.appendItem(Rnc);\n    }\n  } else if (tlist.numberOfItems === 0) {\n    elem.removeAttribute('transform');\n  }\n\n  if (!preventUndo) {\n    // we need to undo it, then redo it so it can be undo-able! :)\n    // TODO: figure out how to make changes to transform list undo-able cross-browser?\n    const newTransform = elem.getAttribute('transform');\n    elem.setAttribute('transform', oldTransform);\n    changeSelectedAttribute('transform', newTransform, selectedElements);\n    call('changed', selectedElements);\n  }\n  // const pointGripContainer = getElem('pathpointgrip_container');\n  // if (elem.nodeName === 'path' && pointGripContainer) {\n  //   pathActions.setPointContainerTransform(elem.getAttribute('transform'));\n  // }\n  const selector = selectorManager.requestSelector(selectedElements[0]);\n  selector.resize();\n  selector.updateGripCursors(val);\n};\n\n/**\n* Runs `recalculateDimensions` on the selected elements,\n* adding the changes to a single batch command\n* @function module:svgcanvas.SvgCanvas#recalculateAllSelectedDimensions\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nconst recalculateAllSelectedDimensions = this.recalculateAllSelectedDimensions = function () {\n  const text = (currentResizeMode === 'none' ? 'position' : 'size');\n  const batchCmd = new BatchCommand(text);\n\n  let i = selectedElements.length;\n  while (i--) {\n    const elem = selectedElements[i];\n    // if (getRotationAngle(elem) && !hasMatrixTransform(getTransformList(elem))) { continue; }\n    const cmd = recalculateDimensions(elem);\n    if (cmd) {\n      batchCmd.addSubCommand(cmd);\n    }\n  }\n\n  if (!batchCmd.isEmpty()) {\n    addCommandToHistory(batchCmd);\n    call('changed', selectedElements);\n  }\n};\n\n/**\n * Debug tool to easily see the current matrix in the browser's console\n * @function module:svgcanvas~logMatrix\n * @param {SVGMatrix} m The matrix\n * @returns {undefined}\n */\nconst logMatrix = function (m) {\n  console.log([m.a, m.b, m.c, m.d, m.e, m.f]);\n};\n\n// Root Current Transformation Matrix in user units\nlet rootSctm = null;\n\n/**\n* Group: Selection\n*/\n\n// TODO: do we need to worry about selectedBBoxes here?\n\n/**\n* Selects only the given elements, shortcut for clearSelection(); addToSelection()\n* @function module:svgcanvas.SvgCanvas#selectOnly\n* @param {Element[]} elems - an array of DOM elements to be selected\n* @param {boolean} showGrips - Indicates whether the resize grips should be shown\n* @returns {undefined}\n*/\nconst selectOnly = this.selectOnly = function (elems, showGrips) {\n  clearSelection(true);\n  addToSelection(elems, showGrips);\n};\n\n// TODO: could use slice here to make this faster?\n// TODO: should the 'selected' handler\n\n/**\n* Removes elements from the selection.\n* @function module:svgcanvas.SvgCanvas#removeFromSelection\n* @param {Element[]} elemsToRemove - An array of elements to remove from selection\n* @returns {undefined}\n*/\n/* const removeFromSelection = */ this.removeFromSelection = function (elemsToRemove) {\n  if (selectedElements[0] == null) { return; }\n  if (!elemsToRemove.length) { return; }\n\n  // find every element and remove it from our array copy\n  const newSelectedItems = [],\n    len = selectedElements.length;\n  for (let i = 0; i < len; ++i) {\n    const elem = selectedElements[i];\n    if (elem) {\n      // keep the item\n      if (!elemsToRemove.includes(elem)) {\n        newSelectedItems.push(elem);\n      } else { // remove the item and its selector\n        selectorManager.releaseSelector(elem);\n      }\n    }\n  }\n  // the copy becomes the master now\n  selectedElements = newSelectedItems;\n};\n\n/**\n* Clears the selection, then adds all elements in the current layer to the selection.\n* @function module:svgcanvas.SvgCanvas#selectAllInCurrentLayer\n* @returns {undefined}\n*/\nthis.selectAllInCurrentLayer = function () {\n  const currentLayer = getCurrentDrawing().getCurrentLayer();\n  if (currentLayer) {\n    currentMode = 'select';\n    selectOnly($(currentGroup || currentLayer).children());\n  }\n};\n\nlet drawnPath = null;\n\n// Mouse events\n(function () {\nconst freehand = {\n  minx: null,\n  miny: null,\n  maxx: null,\n  maxy: null\n};\nconst THRESHOLD_DIST = 0.8,\n  STEP_COUNT = 10;\nlet dAttr = null,\n  startX = null,\n  startY = null,\n  rStartX = null,\n  rStartY = null,\n  initBbox = {},\n  sumDistance = 0,\n  controllPoint2 = {x: 0, y: 0},\n  controllPoint1 = {x: 0, y: 0},\n  start = {x: 0, y: 0},\n  end = {x: 0, y: 0},\n  bSpline = {x: 0, y: 0},\n  nextPos = {x: 0, y: 0},\n  parameter,\n  nextParameter;\n\nconst getBsplinePoint = function (t) {\n  const spline = {x: 0, y: 0},\n    p0 = controllPoint2,\n    p1 = controllPoint1,\n    p2 = start,\n    p3 = end,\n    S = 1.0 / 6.0,\n    t2 = t * t,\n    t3 = t2 * t;\n\n  const m = [\n    [-1, 3, -3, 1],\n    [3, -6, 3, 0],\n    [-3, 0, 3, 0],\n    [1, 4, 1, 0]\n  ];\n\n  spline.x = S * (\n    (p0.x * m[0][0] + p1.x * m[0][1] + p2.x * m[0][2] + p3.x * m[0][3]) * t3 +\n      (p0.x * m[1][0] + p1.x * m[1][1] + p2.x * m[1][2] + p3.x * m[1][3]) * t2 +\n      (p0.x * m[2][0] + p1.x * m[2][1] + p2.x * m[2][2] + p3.x * m[2][3]) * t +\n      (p0.x * m[3][0] + p1.x * m[3][1] + p2.x * m[3][2] + p3.x * m[3][3])\n  );\n  spline.y = S * (\n    (p0.y * m[0][0] + p1.y * m[0][1] + p2.y * m[0][2] + p3.y * m[0][3]) * t3 +\n      (p0.y * m[1][0] + p1.y * m[1][1] + p2.y * m[1][2] + p3.y * m[1][3]) * t2 +\n      (p0.y * m[2][0] + p1.y * m[2][1] + p2.y * m[2][2] + p3.y * m[2][3]) * t +\n      (p0.y * m[3][0] + p1.y * m[3][1] + p2.y * m[3][2] + p3.y * m[3][3])\n  );\n\n  return {\n    x: spline.x,\n    y: spline.y\n  };\n};\n/**\n * - When we are in a create mode, the element is added to the canvas but the\n *   action is not recorded until mousing up.\n * - When we are in select mode, select the element, remember the position\n *   and do nothing else\n * @param {MouseEvent} evt\n * @fires module:svgcanvas.SvgCanvas#event:ext-mouseDown\n * @returns {undefined}\n */\nconst mouseDown = function (evt) {\n  if (canvas.spaceKey || evt.button === 1) { return; }\n\n  const rightClick = evt.button === 2;\n\n  if (evt.altKey) { // duplicate when dragging\n    canvas.cloneSelectedElements(0, 0);\n  }\n\n  rootSctm = $('#svgcontent g')[0].getScreenCTM().inverse();\n\n  const pt = transformPoint(evt.pageX, evt.pageY, rootSctm),\n    mouseX = pt.x * currentZoom,\n    mouseY = pt.y * currentZoom;\n\n  evt.preventDefault();\n\n  if (rightClick) {\n    currentMode = 'select';\n    lastClickPoint = pt;\n  }\n\n  // This would seem to be unnecessary...\n  // if (!['select', 'resize'].includes(currentMode)) {\n  //   setGradient();\n  // }\n\n  let x = mouseX / currentZoom,\n    y = mouseY / currentZoom;\n  let mouseTarget = getMouseTarget(evt);\n\n  if (mouseTarget.tagName === 'a' && mouseTarget.childNodes.length === 1) {\n    mouseTarget = mouseTarget.firstChild;\n  }\n\n  // realX/y ignores grid-snap value\n  const realX = x;\n  rStartX = startX = x;\n  const realY = y;\n  rStartY = startY = y;\n\n  if (curConfig.gridSnapping) {\n    x = snapToGrid(x);\n    y = snapToGrid(y);\n    startX = snapToGrid(startX);\n    startY = snapToGrid(startY);\n  }\n\n  // if it is a selector grip, then it must be a single element selected,\n  // set the mouseTarget to that and update the mode to rotate/resize\n\n  if (mouseTarget === selectorManager.selectorParentGroup && selectedElements[0] != null) {\n    const grip = evt.target;\n    const griptype = elData(grip, 'type');\n    // rotating\n    if (griptype === 'rotate') {\n      currentMode = 'rotate';\n    // resizing\n    } else if (griptype === 'resize') {\n      currentMode = 'resize';\n      currentResizeMode = elData(grip, 'dir');\n    }\n    mouseTarget = selectedElements[0];\n  }\n\n  startTransform = mouseTarget.getAttribute('transform');\n  let i, strokeW;\n  const tlist = getTransformList(mouseTarget);\n  switch (currentMode) {\n  case 'select':\n    started = true;\n    currentResizeMode = 'none';\n    if (rightClick) { started = false; }\n\n    if (mouseTarget !== svgroot) {\n      // if this element is not yet selected, clear selection and select it\n      if (!selectedElements.includes(mouseTarget)) {\n        // only clear selection if shift is not pressed (otherwise, add\n        // element to selection)\n        if (!evt.shiftKey) {\n          // No need to do the call here as it will be done on addToSelection\n          clearSelection(true);\n        }\n        addToSelection([mouseTarget]);\n        justSelected = mouseTarget;\n        pathActions.clear();\n      }\n      // else if it's a path, go into pathedit mode in mouseup\n\n      if (!rightClick) {\n        // insert a dummy transform so if the element(s) are moved it will have\n        // a transform to use for its translate\n        for (i = 0; i < selectedElements.length; ++i) {\n          if (selectedElements[i] == null) { continue; }\n          const slist = getTransformList(selectedElements[i]);\n          if (slist.numberOfItems) {\n            slist.insertItemBefore(svgroot.createSVGTransform(), 0);\n          } else {\n            slist.appendItem(svgroot.createSVGTransform());\n          }\n        }\n      }\n    } else if (!rightClick) {\n      clearSelection();\n      currentMode = 'multiselect';\n      if (rubberBox == null) {\n        rubberBox = selectorManager.getRubberBandBox();\n      }\n      rStartX *= currentZoom;\n      rStartY *= currentZoom;\n      // console.log('p',[evt.pageX, evt.pageY]);\n      // console.log('c',[evt.clientX, evt.clientY]);\n      // console.log('o',[evt.offsetX, evt.offsetY]);\n      // console.log('s',[startX, startY]);\n\n      assignAttributes(rubberBox, {\n        x: rStartX,\n        y: rStartY,\n        width: 0,\n        height: 0,\n        display: 'inline'\n      }, 100);\n    }\n    break;\n  case 'zoom':\n    started = true;\n    if (rubberBox == null) {\n      rubberBox = selectorManager.getRubberBandBox();\n    }\n    assignAttributes(rubberBox, {\n      x: realX * currentZoom,\n      y: realX * currentZoom,\n      width: 0,\n      height: 0,\n      display: 'inline'\n    }, 100);\n    break;\n  case 'resize':\n    started = true;\n    startX = x;\n    startY = y;\n\n    // Getting the BBox from the selection box, since we know we\n    // want to orient around it\n    initBbox = utilsGetBBox($('#selectedBox0')[0]);\n    const bb = {};\n    $.each(initBbox, function (key, val) {\n      bb[key] = val / currentZoom;\n    });\n    initBbox = bb;\n\n    // append three dummy transforms to the tlist so that\n    // we can translate,scale,translate in mousemove\n    const pos = getRotationAngle(mouseTarget) ? 1 : 0;\n\n    if (hasMatrixTransform(tlist)) {\n      tlist.insertItemBefore(svgroot.createSVGTransform(), pos);\n      tlist.insertItemBefore(svgroot.createSVGTransform(), pos);\n      tlist.insertItemBefore(svgroot.createSVGTransform(), pos);\n    } else {\n      tlist.appendItem(svgroot.createSVGTransform());\n      tlist.appendItem(svgroot.createSVGTransform());\n      tlist.appendItem(svgroot.createSVGTransform());\n\n      if (supportsNonScalingStroke()) {\n        // Handle crash for newer Chrome and Safari 6 (Mobile and Desktop):\n        // https://code.google.com/p/svg-edit/issues/detail?id=904\n        // Chromium issue: https://code.google.com/p/chromium/issues/detail?id=114625\n        // TODO: Remove this workaround once vendor fixes the issue\n        const iswebkit = isWebkit();\n\n        let delayedStroke;\n        if (iswebkit) {\n          delayedStroke = function (ele) {\n            const _stroke = ele.getAttributeNS(null, 'stroke');\n            ele.removeAttributeNS(null, 'stroke');\n            // Re-apply stroke after delay. Anything higher than 1 seems to cause flicker\n            if (_stroke !== null) setTimeout(function () { ele.setAttributeNS(null, 'stroke', _stroke); }, 0);\n          };\n        }\n        mouseTarget.style.vectorEffect = 'non-scaling-stroke';\n        if (iswebkit) { delayedStroke(mouseTarget); }\n\n        const all = mouseTarget.getElementsByTagName('*'),\n          len = all.length;\n        for (i = 0; i < len; i++) {\n          if (!all[i].style) { // mathML\n            continue;\n          }\n          all[i].style.vectorEffect = 'non-scaling-stroke';\n          if (iswebkit) { delayedStroke(all[i]); }\n        }\n      }\n    }\n    break;\n  case 'fhellipse':\n  case 'fhrect':\n  case 'fhpath':\n    start.x = realX;\n    start.y = realY;\n    started = true;\n    dAttr = realX + ',' + realY + ' ';\n    // Commented out as doing nothing now:\n    // strokeW = parseFloat(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;\n    addSVGElementFromJson({\n      element: 'polyline',\n      curStyles: true,\n      attr: {\n        points: dAttr,\n        id: getNextId(),\n        fill: 'none',\n        opacity: curShape.opacity / 2,\n        'stroke-linecap': 'round',\n        style: 'pointer-events:none'\n      }\n    });\n    freehand.minx = realX;\n    freehand.maxx = realX;\n    freehand.miny = realY;\n    freehand.maxy = realY;\n    break;\n  case 'image':\n    started = true;\n    const newImage = addSVGElementFromJson({\n      element: 'image',\n      attr: {\n        x,\n        y,\n        width: 0,\n        height: 0,\n        id: getNextId(),\n        opacity: curShape.opacity / 2,\n        style: 'pointer-events:inherit'\n      }\n    });\n    setHref(newImage, lastGoodImgUrl);\n    preventClickDefault(newImage);\n    break;\n  case 'square':\n    // FIXME: once we create the rect, we lose information that this was a square\n    // (for resizing purposes this could be important)\n    // Fallthrough\n  case 'rect':\n    started = true;\n    startX = x;\n    startY = y;\n    addSVGElementFromJson({\n      element: 'rect',\n      curStyles: true,\n      attr: {\n        x,\n        y,\n        width: 0,\n        height: 0,\n        id: getNextId(),\n        opacity: curShape.opacity / 2\n      }\n    });\n    break;\n  case 'line':\n    started = true;\n    strokeW = Number(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;\n    addSVGElementFromJson({\n      element: 'line',\n      curStyles: true,\n      attr: {\n        x1: x,\n        y1: y,\n        x2: x,\n        y2: y,\n        id: getNextId(),\n        stroke: curShape.stroke,\n        'stroke-width': strokeW,\n        'stroke-dasharray': curShape.stroke_dasharray,\n        'stroke-linejoin': curShape.stroke_linejoin,\n        'stroke-linecap': curShape.stroke_linecap,\n        'stroke-opacity': curShape.stroke_opacity,\n        fill: 'none',\n        opacity: curShape.opacity / 2,\n        style: 'pointer-events:none'\n      }\n    });\n    break;\n  case 'circle':\n    started = true;\n    addSVGElementFromJson({\n      element: 'circle',\n      curStyles: true,\n      attr: {\n        cx: x,\n        cy: y,\n        r: 0,\n        id: getNextId(),\n        opacity: curShape.opacity / 2\n      }\n    });\n    break;\n  case 'ellipse':\n    started = true;\n    addSVGElementFromJson({\n      element: 'ellipse',\n      curStyles: true,\n      attr: {\n        cx: x,\n        cy: y,\n        rx: 0,\n        ry: 0,\n        id: getNextId(),\n        opacity: curShape.opacity / 2\n      }\n    });\n    break;\n  case 'text':\n    started = true;\n    /* const newText = */ addSVGElementFromJson({\n      element: 'text',\n      curStyles: true,\n      attr: {\n        x,\n        y,\n        id: getNextId(),\n        fill: curText.fill,\n        'stroke-width': curText.stroke_width,\n        'font-size': curText.font_size,\n        'font-family': curText.font_family,\n        'text-anchor': 'middle',\n        'xml:space': 'preserve',\n        opacity: curShape.opacity\n      }\n    });\n    // newText.textContent = 'text';\n    break;\n  case 'path':\n    // Fall through\n  case 'pathedit':\n    startX *= currentZoom;\n    startY *= currentZoom;\n    pathActions.mouseDown(evt, mouseTarget, startX, startY);\n    started = true;\n    break;\n  case 'textedit':\n    startX *= currentZoom;\n    startY *= currentZoom;\n    textActions.mouseDown(evt, mouseTarget, startX, startY);\n    started = true;\n    break;\n  case 'rotate':\n    started = true;\n    // we are starting an undoable change (a drag-rotation)\n    canvas.undoMgr.beginUndoableChange('transform', selectedElements);\n    break;\n  default:\n    // This could occur in an extension\n    break;\n  }\n\n  /**\n   * The main (left) mouse button is held down on the canvas area\n   * @event module:svgcanvas.SvgCanvas#event:ext-mouseDown\n   * @type {PlainObject}\n   * @property {MouseEvent} event The event object\n   * @property {Float} start_x x coordinate on canvas\n   * @property {Float} start_y y coordinate on canvas\n   * @property {Element[]} selectedElements An array of the selected Elements\n  */\n  const extResult = runExtensions('mouseDown', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseDown} */ {\n    event: evt,\n    start_x: startX,\n    start_y: startY,\n    selectedElements\n  }, true);\n\n  $.each(extResult, function (i, r) {\n    if (r && r.started) {\n      started = true;\n    }\n  });\n};\n\n// in this function we do not record any state changes yet (but we do update\n// any elements that are still being created, moved or resized on the canvas)\n/**\n *\n * @param {MouseEvent} evt\n * @fires module:svgcanvas.SvgCanvas#event:transition\n * @fires module:svgcanvas.SvgCanvas#event:ext-mouseMove\n * @returns {undefined}\n */\nconst mouseMove = function (evt) {\n  if (!started) { return; }\n  if (evt.button === 1 || canvas.spaceKey) { return; }\n\n  let i, xya, c, cx, cy, dx, dy, len, angle, box,\n    selected = selectedElements[0];\n  const\n    pt = transformPoint(evt.pageX, evt.pageY, rootSctm),\n    mouseX = pt.x * currentZoom,\n    mouseY = pt.y * currentZoom,\n    shape = getElem(getId());\n\n  let realX = mouseX / currentZoom;\n  let x = realX;\n  let realY = mouseY / currentZoom;\n  let y = realY;\n\n  if (curConfig.gridSnapping) {\n    x = snapToGrid(x);\n    y = snapToGrid(y);\n  }\n\n  evt.preventDefault();\n  let tlist;\n  switch (currentMode) {\n  case 'select': {\n    // we temporarily use a translate on the element(s) being dragged\n    // this transform is removed upon mousing up and the element is\n    // relocated to the new location\n    if (selectedElements[0] !== null) {\n      dx = x - startX;\n      dy = y - startY;\n\n      if (curConfig.gridSnapping) {\n        dx = snapToGrid(dx);\n        dy = snapToGrid(dy);\n      }\n\n      /*\n      // Commenting out as currently has no effect\n      if (evt.shiftKey) {\n        xya = snapToAngle(startX, startY, x, y);\n        ({x, y} = xya);\n      }\n      */\n\n      if (dx !== 0 || dy !== 0) {\n        len = selectedElements.length;\n        for (i = 0; i < len; ++i) {\n          selected = selectedElements[i];\n          if (selected == null) { break; }\n          // if (i === 0) {\n          //   const box = utilsGetBBox(selected);\n          //     selectedBBoxes[i].x = box.x + dx;\n          //     selectedBBoxes[i].y = box.y + dy;\n          // }\n\n          // update the dummy transform in our transform list\n          // to be a translate\n          const xform = svgroot.createSVGTransform();\n          tlist = getTransformList(selected);\n          // Note that if Webkit and there's no ID for this\n          // element, the dummy transform may have gotten lost.\n          // This results in unexpected behaviour\n\n          xform.setTranslate(dx, dy);\n          if (tlist.numberOfItems) {\n            tlist.replaceItem(xform, 0);\n          } else {\n            tlist.appendItem(xform);\n          }\n\n          // update our internal bbox that we're tracking while dragging\n          selectorManager.requestSelector(selected).resize();\n        }\n\n        call('transition', selectedElements);\n      }\n    }\n    break;\n  } case 'multiselect': {\n    realX *= currentZoom;\n    realY *= currentZoom;\n    assignAttributes(rubberBox, {\n      x: Math.min(rStartX, realX),\n      y: Math.min(rStartY, realY),\n      width: Math.abs(realX - rStartX),\n      height: Math.abs(realY - rStartY)\n    }, 100);\n\n    // for each selected:\n    // - if newList contains selected, do nothing\n    // - if newList doesn't contain selected, remove it from selected\n    // - for any newList that was not in selectedElements, add it to selected\n    const elemsToRemove = selectedElements.slice(), elemsToAdd = [],\n      newList = getIntersectionList();\n\n    // For every element in the intersection, add if not present in selectedElements.\n    len = newList.length;\n    for (i = 0; i < len; ++i) {\n      const intElem = newList[i];\n      // Found an element that was not selected before, so we should add it.\n      if (!selectedElements.includes(intElem)) {\n        elemsToAdd.push(intElem);\n      }\n      // Found an element that was already selected, so we shouldn't remove it.\n      const foundInd = elemsToRemove.indexOf(intElem);\n      if (foundInd !== -1) {\n        elemsToRemove.splice(foundInd, 1);\n      }\n    }\n\n    if (elemsToRemove.length > 0) {\n      canvas.removeFromSelection(elemsToRemove);\n    }\n\n    if (elemsToAdd.length > 0) {\n      canvas.addToSelection(elemsToAdd);\n    }\n\n    break;\n  } case 'resize': {\n    // we track the resize bounding box and translate/scale the selected element\n    // while the mouse is down, when mouse goes up, we use this to recalculate\n    // the shape's coordinates\n    tlist = getTransformList(selected);\n    const hasMatrix = hasMatrixTransform(tlist);\n    box = hasMatrix ? initBbox : utilsGetBBox(selected);\n    let left = box.x,\n      top = box.y,\n      {width, height} = box;\n    dx = (x - startX);\n    dy = (y - startY);\n\n    if (curConfig.gridSnapping) {\n      dx = snapToGrid(dx);\n      dy = snapToGrid(dy);\n      height = snapToGrid(height);\n      width = snapToGrid(width);\n    }\n\n    // if rotated, adjust the dx,dy values\n    angle = getRotationAngle(selected);\n    if (angle) {\n      const r = Math.sqrt(dx * dx + dy * dy),\n        theta = Math.atan2(dy, dx) - angle * Math.PI / 180.0;\n      dx = r * Math.cos(theta);\n      dy = r * Math.sin(theta);\n    }\n\n    // if not stretching in y direction, set dy to 0\n    // if not stretching in x direction, set dx to 0\n    if (!currentResizeMode.includes('n') && !currentResizeMode.includes('s')) {\n      dy = 0;\n    }\n    if (!currentResizeMode.includes('e') && !currentResizeMode.includes('w')) {\n      dx = 0;\n    }\n\n    let // ts = null,\n      tx = 0, ty = 0,\n      sy = height ? (height + dy) / height : 1,\n      sx = width ? (width + dx) / width : 1;\n    // if we are dragging on the north side, then adjust the scale factor and ty\n    if (currentResizeMode.includes('n')) {\n      sy = height ? (height - dy) / height : 1;\n      ty = height;\n    }\n\n    // if we dragging on the east side, then adjust the scale factor and tx\n    if (currentResizeMode.includes('w')) {\n      sx = width ? (width - dx) / width : 1;\n      tx = width;\n    }\n\n    // update the transform list with translate,scale,translate\n    const translateOrigin = svgroot.createSVGTransform(),\n      scale = svgroot.createSVGTransform(),\n      translateBack = svgroot.createSVGTransform();\n\n    if (curConfig.gridSnapping) {\n      left = snapToGrid(left);\n      tx = snapToGrid(tx);\n      top = snapToGrid(top);\n      ty = snapToGrid(ty);\n    }\n\n    translateOrigin.setTranslate(-(left + tx), -(top + ty));\n    if (evt.shiftKey) {\n      if (sx === 1) {\n        sx = sy;\n      } else { sy = sx; }\n    }\n    scale.setScale(sx, sy);\n\n    translateBack.setTranslate(left + tx, top + ty);\n    if (hasMatrix) {\n      const diff = angle ? 1 : 0;\n      tlist.replaceItem(translateOrigin, 2 + diff);\n      tlist.replaceItem(scale, 1 + diff);\n      tlist.replaceItem(translateBack, Number(diff));\n    } else {\n      const N = tlist.numberOfItems;\n      tlist.replaceItem(translateBack, N - 3);\n      tlist.replaceItem(scale, N - 2);\n      tlist.replaceItem(translateOrigin, N - 1);\n    }\n\n    selectorManager.requestSelector(selected).resize();\n\n    call('transition', selectedElements);\n\n    break;\n  } case 'zoom': {\n    realX *= currentZoom;\n    realY *= currentZoom;\n    assignAttributes(rubberBox, {\n      x: Math.min(rStartX * currentZoom, realX),\n      y: Math.min(rStartY * currentZoom, realY),\n      width: Math.abs(realX - rStartX * currentZoom),\n      height: Math.abs(realY - rStartY * currentZoom)\n    }, 100);\n    break;\n  } case 'text': {\n    assignAttributes(shape, {\n      x,\n      y\n    }, 1000);\n    break;\n  } case 'line': {\n    if (curConfig.gridSnapping) {\n      x = snapToGrid(x);\n      y = snapToGrid(y);\n    }\n\n    let x2 = x;\n    let y2 = y;\n\n    if (evt.shiftKey) {\n      xya = snapToAngle(startX, startY, x2, y2);\n      x2 = xya.x;\n      y2 = xya.y;\n    }\n\n    shape.setAttributeNS(null, 'x2', x2);\n    shape.setAttributeNS(null, 'y2', y2);\n    break;\n  } case 'foreignObject':\n    // fall through\n  case 'square':\n    // fall through\n  case 'rect':\n    // fall through\n  case 'image': {\n    const square = (currentMode === 'square') || evt.shiftKey;\n    let\n      w = Math.abs(x - startX),\n      h = Math.abs(y - startY);\n    let newX, newY;\n    if (square) {\n      w = h = Math.max(w, h);\n      newX = startX < x ? startX : startX - w;\n      newY = startY < y ? startY : startY - h;\n    } else {\n      newX = Math.min(startX, x);\n      newY = Math.min(startY, y);\n    }\n\n    if (curConfig.gridSnapping) {\n      w = snapToGrid(w);\n      h = snapToGrid(h);\n      newX = snapToGrid(newX);\n      newY = snapToGrid(newY);\n    }\n\n    assignAttributes(shape, {\n      width: w,\n      height: h,\n      x: newX,\n      y: newY\n    }, 1000);\n\n    break;\n  } case 'circle': {\n    c = $(shape).attr(['cx', 'cy']);\n    ({cx, cy} = c);\n    let rad = Math.sqrt((x - cx) * (x - cx) + (y - cy) * (y - cy));\n    if (curConfig.gridSnapping) {\n      rad = snapToGrid(rad);\n    }\n    shape.setAttributeNS(null, 'r', rad);\n    break;\n  } case 'ellipse': {\n    c = $(shape).attr(['cx', 'cy']);\n    ({cx, cy} = c);\n    if (curConfig.gridSnapping) {\n      x = snapToGrid(x);\n      cx = snapToGrid(cx);\n      y = snapToGrid(y);\n      cy = snapToGrid(cy);\n    }\n    shape.setAttributeNS(null, 'rx', Math.abs(x - cx));\n    const ry = Math.abs(evt.shiftKey ? (x - cx) : (y - cy));\n    shape.setAttributeNS(null, 'ry', ry);\n    break;\n  }\n  case 'fhellipse':\n  case 'fhrect': {\n    freehand.minx = Math.min(realX, freehand.minx);\n    freehand.maxx = Math.max(realX, freehand.maxx);\n    freehand.miny = Math.min(realY, freehand.miny);\n    freehand.maxy = Math.max(realY, freehand.maxy);\n  }\n  // Fallthrough\n  case 'fhpath': {\n    // dAttr += + realX + ',' + realY + ' ';\n    // shape.setAttributeNS(null, 'points', dAttr);\n    end.x = realX; end.y = realY;\n    if (controllPoint2.x && controllPoint2.y) {\n      for (i = 0; i < STEP_COUNT - 1; i++) {\n        parameter = i / STEP_COUNT;\n        nextParameter = (i + 1) / STEP_COUNT;\n        bSpline = getBsplinePoint(nextParameter);\n        nextPos = bSpline;\n        bSpline = getBsplinePoint(parameter);\n        sumDistance += Math.sqrt((nextPos.x - bSpline.x) * (nextPos.x - bSpline.x) + (nextPos.y - bSpline.y) * (nextPos.y - bSpline.y));\n        if (sumDistance > THRESHOLD_DIST) {\n          sumDistance -= THRESHOLD_DIST;\n\n          // Faster than completely re-writing the points attribute.\n          const point = svgcontent.createSVGPoint();\n          point.x = bSpline.x;\n          point.y = bSpline.y;\n          shape.points.appendItem(point);\n        }\n      }\n    }\n    controllPoint2 = {x: controllPoint1.x, y: controllPoint1.y};\n    controllPoint1 = {x: start.x, y: start.y};\n    start = {x: end.x, y: end.y};\n    break;\n  // update path stretch line coordinates\n  } case 'path': {\n  }\n  // fall through\n  case 'pathedit': {\n    x *= currentZoom;\n    y *= currentZoom;\n\n    if (curConfig.gridSnapping) {\n      x = snapToGrid(x);\n      y = snapToGrid(y);\n      startX = snapToGrid(startX);\n      startY = snapToGrid(startY);\n    }\n    if (evt.shiftKey) {\n      const {path} = pathModule;\n      let x1, y1;\n      if (path) {\n        x1 = path.dragging ? path.dragging[0] : startX;\n        y1 = path.dragging ? path.dragging[1] : startY;\n      } else {\n        x1 = startX;\n        y1 = startY;\n      }\n      xya = snapToAngle(x1, y1, x, y);\n      ({x, y} = xya);\n    }\n\n    if (rubberBox && rubberBox.getAttribute('display') !== 'none') {\n      realX *= currentZoom;\n      realY *= currentZoom;\n      assignAttributes(rubberBox, {\n        x: Math.min(rStartX * currentZoom, realX),\n        y: Math.min(rStartY * currentZoom, realY),\n        width: Math.abs(realX - rStartX * currentZoom),\n        height: Math.abs(realY - rStartY * currentZoom)\n      }, 100);\n    }\n    pathActions.mouseMove(x, y);\n\n    break;\n  } case 'textedit': {\n    x *= currentZoom;\n    y *= currentZoom;\n    // if (rubberBox && rubberBox.getAttribute('display') !== 'none') {\n    //   assignAttributes(rubberBox, {\n    //     x: Math.min(startX, x),\n    //     y: Math.min(startY, y),\n    //     width: Math.abs(x - startX),\n    //     height: Math.abs(y - startY)\n    //   }, 100);\n    // }\n\n    textActions.mouseMove(mouseX, mouseY);\n\n    break;\n  } case 'rotate': {\n    box = utilsGetBBox(selected);\n    cx = box.x + box.width / 2;\n    cy = box.y + box.height / 2;\n    const m = getMatrix(selected),\n      center = transformPoint(cx, cy, m);\n    cx = center.x;\n    cy = center.y;\n    angle = ((Math.atan2(cy - y, cx - x) * (180 / Math.PI)) - 90) % 360;\n    if (curConfig.gridSnapping) {\n      angle = snapToGrid(angle);\n    }\n    if (evt.shiftKey) { // restrict rotations to nice angles (WRS)\n      const snap = 45;\n      angle = Math.round(angle / snap) * snap;\n    }\n\n    canvas.setRotationAngle(angle < -180 ? (360 + angle) : angle, true);\n    call('transition', selectedElements);\n    break;\n  } default:\n    break;\n  }\n\n  /**\n  * The mouse has moved on the canvas area\n  * @event module:svgcanvas.SvgCanvas#event:ext-mouseMove\n  * @type {PlainObject}\n  * @property {MouseEvent} event The event object\n  * @property {Float} mouse_x x coordinate on canvas\n  * @property {Float} mouse_y y coordinate on canvas\n  * @property {Element} selected Refers to the first selected element\n  */\n  runExtensions('mouseMove', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseMove} */ {\n    event: evt,\n    mouse_x: mouseX,\n    mouse_y: mouseY,\n    selected\n  });\n}; // mouseMove()\n\n// - in create mode, the element's opacity is set properly, we create an InsertElementCommand\n// and store it on the Undo stack\n// - in move/resize mode, the element's attributes which were affected by the move/resize are\n// identified, a ChangeElementCommand is created and stored on the stack for those attrs\n// this is done in when we recalculate the selected dimensions()\n/**\n *\n * @param {MouseEvent} evt\n * @fires module:svgcanvas.SvgCanvas#event:zoomed\n * @fires module:svgcanvas.SvgCanvas#event:changed\n * @fires module:svgcanvas.SvgCanvas#event:ext-mouseUp\n * @returns {undefined}\n */\nconst mouseUp = function (evt) {\n  if (evt.button === 2) { return; }\n  const tempJustSelected = justSelected;\n  justSelected = null;\n  if (!started) { return; }\n  const pt = transformPoint(evt.pageX, evt.pageY, rootSctm),\n    mouseX = pt.x * currentZoom,\n    mouseY = pt.y * currentZoom,\n    x = mouseX / currentZoom,\n    y = mouseY / currentZoom;\n\n  let element = getElem(getId());\n  let keep = false;\n\n  const realX = x;\n  const realY = y;\n\n  // TODO: Make true when in multi-unit mode\n  const useUnit = false; // (curConfig.baseUnit !== 'px');\n  started = false;\n  let attrs, t;\n  switch (currentMode) {\n  // intentionally fall-through to select here\n  case 'resize':\n  case 'multiselect':\n    if (rubberBox != null) {\n      rubberBox.setAttribute('display', 'none');\n      curBBoxes = [];\n    }\n    currentMode = 'select';\n    // Fallthrough\n  case 'select':\n    if (selectedElements[0] != null) {\n      // if we only have one selected element\n      if (selectedElements[1] == null) {\n        // set our current stroke/fill properties to the element's\n        const selected = selectedElements[0];\n        switch (selected.tagName) {\n        case 'g':\n        case 'use':\n        case 'image':\n        case 'foreignObject':\n          break;\n        default:\n          curProperties.fill = selected.getAttribute('fill');\n          curProperties.fill_opacity = selected.getAttribute('fill-opacity');\n          curProperties.stroke = selected.getAttribute('stroke');\n          curProperties.stroke_opacity = selected.getAttribute('stroke-opacity');\n          curProperties.stroke_width = selected.getAttribute('stroke-width');\n          curProperties.stroke_dasharray = selected.getAttribute('stroke-dasharray');\n          curProperties.stroke_linejoin = selected.getAttribute('stroke-linejoin');\n          curProperties.stroke_linecap = selected.getAttribute('stroke-linecap');\n        }\n\n        if (selected.tagName === 'text') {\n          curText.font_size = selected.getAttribute('font-size');\n          curText.font_family = selected.getAttribute('font-family');\n        }\n        selectorManager.requestSelector(selected).showGrips(true);\n\n        // This shouldn't be necessary as it was done on mouseDown...\n        // call('selected', [selected]);\n      }\n      // always recalculate dimensions to strip off stray identity transforms\n      recalculateAllSelectedDimensions();\n      // if it was being dragged/resized\n      if (realX !== rStartX || realY !== rStartY) {\n        const len = selectedElements.length;\n        for (let i = 0; i < len; ++i) {\n          if (selectedElements[i] == null) { break; }\n          if (!selectedElements[i].firstChild) {\n            // Not needed for groups (incorrectly resizes elems), possibly not needed at all?\n            selectorManager.requestSelector(selectedElements[i]).resize();\n          }\n        }\n      // no change in position/size, so maybe we should move to pathedit\n      } else {\n        t = evt.target;\n        if (selectedElements[0].nodeName === 'path' && selectedElements[1] == null) {\n          pathActions.select(selectedElements[0]);\n        // if it was a path\n        // else, if it was selected and this is a shift-click, remove it from selection\n        } else if (evt.shiftKey) {\n          if (tempJustSelected !== t) {\n            canvas.removeFromSelection([t]);\n          }\n        }\n      } // no change in mouse position\n\n      // Remove non-scaling stroke\n      if (supportsNonScalingStroke()) {\n        const elem = selectedElements[0];\n        if (elem) {\n          elem.removeAttribute('style');\n          walkTree(elem, function (elem) {\n            elem.removeAttribute('style');\n          });\n        }\n      }\n    }\n    return;\n  case 'zoom':\n    if (rubberBox != null) {\n      rubberBox.setAttribute('display', 'none');\n    }\n    const factor = evt.shiftKey ? 0.5 : 2;\n    call('zoomed', {\n      x: Math.min(rStartX, realX),\n      y: Math.min(rStartY, realY),\n      width: Math.abs(realX - rStartX),\n      height: Math.abs(realY - rStartY),\n      factor\n    });\n    return;\n  case 'fhpath':\n    // Check that the path contains at least 2 points; a degenerate one-point path\n    // causes problems.\n    // Webkit ignores how we set the points attribute with commas and uses space\n    // to separate all coordinates, see https://bugs.webkit.org/show_bug.cgi?id=29870\n    sumDistance = 0;\n    controllPoint2 = {x: 0, y: 0};\n    controllPoint1 = {x: 0, y: 0};\n    start = {x: 0, y: 0};\n    end = {x: 0, y: 0};\n    const coords = element.getAttribute('points');\n    const commaIndex = coords.indexOf(',');\n    if (commaIndex >= 0) {\n      keep = coords.indexOf(',', commaIndex + 1) >= 0;\n    } else {\n      keep = coords.indexOf(' ', coords.indexOf(' ') + 1) >= 0;\n    }\n    if (keep) {\n      element = pathActions.smoothPolylineIntoPath(element);\n    }\n    break;\n  case 'line':\n    attrs = $(element).attr(['x1', 'x2', 'y1', 'y2']);\n    keep = (attrs.x1 !== attrs.x2 || attrs.y1 !== attrs.y2);\n    break;\n  case 'foreignObject':\n  case 'square':\n  case 'rect':\n  case 'image':\n    attrs = $(element).attr(['width', 'height']);\n    // Image should be kept regardless of size (use inherit dimensions later)\n    keep = (attrs.width || attrs.height) || currentMode === 'image';\n    break;\n  case 'circle':\n    keep = (element.getAttribute('r') !== '0');\n    break;\n  case 'ellipse':\n    attrs = $(element).attr(['rx', 'ry']);\n    keep = (attrs.rx || attrs.ry);\n    break;\n  case 'fhellipse':\n    if ((freehand.maxx - freehand.minx) > 0 &&\n      (freehand.maxy - freehand.miny) > 0) {\n      element = addSVGElementFromJson({\n        element: 'ellipse',\n        curStyles: true,\n        attr: {\n          cx: (freehand.minx + freehand.maxx) / 2,\n          cy: (freehand.miny + freehand.maxy) / 2,\n          rx: (freehand.maxx - freehand.minx) / 2,\n          ry: (freehand.maxy - freehand.miny) / 2,\n          id: getId()\n        }\n      });\n      call('changed', [element]);\n      keep = true;\n    }\n    break;\n  case 'fhrect':\n    if ((freehand.maxx - freehand.minx) > 0 &&\n      (freehand.maxy - freehand.miny) > 0) {\n      element = addSVGElementFromJson({\n        element: 'rect',\n        curStyles: true,\n        attr: {\n          x: freehand.minx,\n          y: freehand.miny,\n          width: (freehand.maxx - freehand.minx),\n          height: (freehand.maxy - freehand.miny),\n          id: getId()\n        }\n      });\n      call('changed', [element]);\n      keep = true;\n    }\n    break;\n  case 'text':\n    keep = true;\n    selectOnly([element]);\n    textActions.start(element);\n    break;\n  case 'path':\n    // set element to null here so that it is not removed nor finalized\n    element = null;\n    // continue to be set to true so that mouseMove happens\n    started = true;\n\n    const res = pathActions.mouseUp(evt, element, mouseX, mouseY);\n    ({element} = res);\n    ({keep} = res);\n    break;\n  case 'pathedit':\n    keep = true;\n    element = null;\n    pathActions.mouseUp(evt);\n    break;\n  case 'textedit':\n    keep = false;\n    element = null;\n    textActions.mouseUp(evt, mouseX, mouseY);\n    break;\n  case 'rotate':\n    keep = true;\n    element = null;\n    currentMode = 'select';\n    const batchCmd = canvas.undoMgr.finishUndoableChange();\n    if (!batchCmd.isEmpty()) {\n      addCommandToHistory(batchCmd);\n    }\n    // perform recalculation to weed out any stray identity transforms that might get stuck\n    recalculateAllSelectedDimensions();\n    call('changed', selectedElements);\n    break;\n  default:\n    // This could occur in an extension\n    break;\n  }\n\n  /**\n  * The main (left) mouse button is released (anywhere)\n  * @event module:svgcanvas.SvgCanvas#event:ext-mouseUp\n  * @type {PlainObject}\n  * @property {MouseEvent} event The event object\n  * @property {Float} mouse_x x coordinate on canvas\n  * @property {Float} mouse_y y coordinate on canvas\n  */\n  const extResult = runExtensions('mouseUp', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseUp} */ {\n    event: evt,\n    mouse_x: mouseX,\n    mouse_y: mouseY\n  }, true);\n\n  $.each(extResult, function (i, r) {\n    if (r) {\n      keep = r.keep || keep;\n      ({element} = r);\n      started = r.started || started;\n    }\n  });\n\n  if (!keep && element != null) {\n    getCurrentDrawing().releaseId(getId());\n    element.remove();\n    element = null;\n\n    t = evt.target;\n\n    // if this element is in a group, go up until we reach the top-level group\n    // just below the layer groups\n    // TODO: once we implement links, we also would have to check for <a> elements\n    while (t && t.parentNode && t.parentNode.parentNode && t.parentNode.parentNode.tagName === 'g') {\n      t = t.parentNode;\n    }\n    // if we are not in the middle of creating a path, and we've clicked on some shape,\n    // then go to Select mode.\n    // WebKit returns <div> when the canvas is clicked, Firefox/Opera return <svg>\n    if ((currentMode !== 'path' || !drawnPath) &&\n      t && t.parentNode &&\n      t.parentNode.id !== 'selectorParentGroup' &&\n      t.id !== 'svgcanvas' && t.id !== 'svgroot'\n    ) {\n      // switch into \"select\" mode if we've clicked on an element\n      canvas.setMode('select');\n      selectOnly([t], true);\n    }\n  } else if (element != null) {\n    /**\n    * @name module:svgcanvas.SvgCanvas#addedNew\n    * @type {boolean}\n    */\n    canvas.addedNew = true;\n\n    if (useUnit) { convertAttrs(element); }\n\n    let aniDur = 0.2;\n    let cAni;\n    if (opacAni.beginElement && parseFloat(element.getAttribute('opacity')) !== curShape.opacity) {\n      cAni = $(opacAni).clone().attr({\n        to: curShape.opacity,\n        dur: aniDur\n      }).appendTo(element);\n      try {\n        // Fails in FF4 on foreignObject\n        cAni[0].beginElement();\n      } catch (e) {}\n    } else {\n      aniDur = 0;\n    }\n\n    // Ideally this would be done on the endEvent of the animation,\n    // but that doesn't seem to be supported in Webkit\n    setTimeout(function () {\n      if (cAni) { cAni.remove(); }\n      element.setAttribute('opacity', curShape.opacity);\n      element.setAttribute('style', 'pointer-events:inherit');\n      cleanupElement(element);\n      if (currentMode === 'path') {\n        pathActions.toEditMode(element);\n      } else if (curConfig.selectNew) {\n        selectOnly([element], true);\n      }\n      // we create the insert command that is stored on the stack\n      // undo means to call cmd.unapply(), redo means to call cmd.apply()\n      addCommandToHistory(new InsertElementCommand(element));\n\n      call('changed', [element]);\n    }, aniDur * 1000);\n  }\n\n  startTransform = null;\n};\n\nconst dblClick = function (evt) {\n  const evtTarget = evt.target;\n  const parent = evtTarget.parentNode;\n\n  // Do nothing if already in current group\n  if (parent === currentGroup) { return; }\n\n  let mouseTarget = getMouseTarget(evt);\n  const {tagName} = mouseTarget;\n\n  if (tagName === 'text' && currentMode !== 'textedit') {\n    const pt = transformPoint(evt.pageX, evt.pageY, rootSctm);\n    textActions.select(mouseTarget, pt.x, pt.y);\n  }\n\n  if ((tagName === 'g' || tagName === 'a') &&\n    getRotationAngle(mouseTarget)\n  ) {\n    // TODO: Allow method of in-group editing without having to do\n    // this (similar to editing rotated paths)\n\n    // Ungroup and regroup\n    pushGroupProperties(mouseTarget);\n    mouseTarget = selectedElements[0];\n    clearSelection(true);\n  }\n  // Reset context\n  if (currentGroup) {\n    draw.leaveContext();\n  }\n\n  if ((parent.tagName !== 'g' && parent.tagName !== 'a') ||\n    parent === getCurrentDrawing().getCurrentLayer() ||\n    mouseTarget === selectorManager.selectorParentGroup\n  ) {\n    // Escape from in-group edit\n    return;\n  }\n  draw.setContext(mouseTarget);\n};\n\n// prevent links from being followed in the canvas\nconst handleLinkInCanvas = function (e) {\n  e.preventDefault();\n  return false;\n};\n\n// Added mouseup to the container here.\n// TODO(codedread): Figure out why after the Closure compiler, the window mouseup is ignored.\n$(container).mousedown(mouseDown).mousemove(mouseMove).click(handleLinkInCanvas).dblclick(dblClick).mouseup(mouseUp);\n// $(window).mouseup(mouseUp);\n\n// TODO(rafaelcastrocouto): User preference for shift key and zoom factor\n$(container).bind(\n  'mousewheel DOMMouseScroll',\n  /**\n   * @param {Event} e\n   * @fires module:svgcanvas.SvgCanvas#event:updateCanvas\n   * @fires module:svgcanvas.SvgCanvas#event:zoomDone\n   * @returns {undefined}\n   */\n  function (e) {\n    if (!e.shiftKey) { return; }\n\n    e.preventDefault();\n    const evt = e.originalEvent;\n\n    rootSctm = $('#svgcontent g')[0].getScreenCTM().inverse();\n\n    const workarea = $('#workarea');\n    const scrbar = 15;\n    const rulerwidth = curConfig.showRulers ? 16 : 0;\n\n    // mouse relative to content area in content pixels\n    const pt = transformPoint(evt.pageX, evt.pageY, rootSctm);\n\n    // full work area width in screen pixels\n    const editorFullW = workarea.width();\n    const editorFullH = workarea.height();\n\n    // work area width minus scroll and ruler in screen pixels\n    const editorW = editorFullW - scrbar - rulerwidth;\n    const editorH = editorFullH - scrbar - rulerwidth;\n\n    // work area width in content pixels\n    const workareaViewW = editorW * rootSctm.a;\n    const workareaViewH = editorH * rootSctm.d;\n\n    // content offset from canvas in screen pixels\n    const wOffset = workarea.offset();\n    const wOffsetLeft = wOffset['left'] + rulerwidth;\n    const wOffsetTop = wOffset['top'] + rulerwidth;\n\n    const delta = (evt.wheelDelta) ? evt.wheelDelta : (evt.detail) ? -evt.detail : 0;\n    if (!delta) { return; }\n\n    let factor = Math.max(3 / 4, Math.min(4 / 3, (delta)));\n\n    let wZoom, hZoom;\n    if (factor > 1) {\n      wZoom = Math.ceil(editorW / workareaViewW * factor * 100) / 100;\n      hZoom = Math.ceil(editorH / workareaViewH * factor * 100) / 100;\n    } else {\n      wZoom = Math.floor(editorW / workareaViewW * factor * 100) / 100;\n      hZoom = Math.floor(editorH / workareaViewH * factor * 100) / 100;\n    }\n    let zoomlevel = Math.min(wZoom, hZoom);\n    zoomlevel = Math.min(10, Math.max(0.01, zoomlevel));\n    if (zoomlevel === currentZoom) {\n      return;\n    }\n    factor = zoomlevel / currentZoom;\n\n    // top left of workarea in content pixels before zoom\n    const topLeftOld = transformPoint(wOffsetLeft, wOffsetTop, rootSctm);\n\n    // top left of workarea in content pixels after zoom\n    const topLeftNew = {\n      x: pt.x - (pt.x - topLeftOld.x) / factor,\n      y: pt.y - (pt.y - topLeftOld.y) / factor\n    };\n\n    // top left of workarea in canvas pixels relative to content after zoom\n    const topLeftNewCanvas = {\n      x: topLeftNew.x * zoomlevel,\n      y: topLeftNew.y * zoomlevel\n    };\n\n    // new center in canvas pixels\n    const newCtr = {\n      x: topLeftNewCanvas.x - rulerwidth + editorFullW / 2,\n      y: topLeftNewCanvas.y - rulerwidth + editorFullH / 2\n    };\n\n    canvas.setZoom(zoomlevel);\n    $('#zoom').val((zoomlevel * 100).toFixed(1));\n\n    call('updateCanvas', {center: false, newCtr});\n    call('zoomDone');\n  }\n);\n}());\n\n/**\n* Group: Text edit functions\n* Functions relating to editing text elements\n* @namespace {PlainObject} textActions\n* @memberof module:svgcanvas.SvgCanvas#\n*/\nconst textActions = canvas.textActions = (function () {\nlet curtext;\nlet textinput;\nlet cursor;\nlet selblock;\nlet blinker;\nlet chardata = [];\nlet textbb; // , transbb;\nlet matrix;\nlet lastX, lastY;\nlet allowDbl;\n\nfunction setCursor (index) {\n  const empty = (textinput.value === '');\n  $(textinput).focus();\n\n  if (!arguments.length) {\n    if (empty) {\n      index = 0;\n    } else {\n      if (textinput.selectionEnd !== textinput.selectionStart) { return; }\n      index = textinput.selectionEnd;\n    }\n  }\n\n  const charbb = chardata[index];\n  if (!empty) {\n    textinput.setSelectionRange(index, index);\n  }\n  cursor = getElem('text_cursor');\n  if (!cursor) {\n    cursor = document.createElementNS(NS.SVG, 'line');\n    assignAttributes(cursor, {\n      id: 'text_cursor',\n      stroke: '#333',\n      'stroke-width': 1\n    });\n    cursor = getElem('selectorParentGroup').appendChild(cursor);\n  }\n\n  if (!blinker) {\n    blinker = setInterval(function () {\n      const show = (cursor.getAttribute('display') === 'none');\n      cursor.setAttribute('display', show ? 'inline' : 'none');\n    }, 600);\n  }\n\n  const startPt = ptToScreen(charbb.x, textbb.y);\n  const endPt = ptToScreen(charbb.x, (textbb.y + textbb.height));\n\n  assignAttributes(cursor, {\n    x1: startPt.x,\n    y1: startPt.y,\n    x2: endPt.x,\n    y2: endPt.y,\n    visibility: 'visible',\n    display: 'inline'\n  });\n\n  if (selblock) { selblock.setAttribute('d', ''); }\n}\n\nfunction setSelection (start, end, skipInput) {\n  if (start === end) {\n    setCursor(end);\n    return;\n  }\n\n  if (!skipInput) {\n    textinput.setSelectionRange(start, end);\n  }\n\n  selblock = getElem('text_selectblock');\n  if (!selblock) {\n    selblock = document.createElementNS(NS.SVG, 'path');\n    assignAttributes(selblock, {\n      id: 'text_selectblock',\n      fill: 'green',\n      opacity: 0.5,\n      style: 'pointer-events:none'\n    });\n    getElem('selectorParentGroup').append(selblock);\n  }\n\n  const startbb = chardata[start];\n  const endbb = chardata[end];\n\n  cursor.setAttribute('visibility', 'hidden');\n\n  const tl = ptToScreen(startbb.x, textbb.y),\n    tr = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y),\n    bl = ptToScreen(startbb.x, textbb.y + textbb.height),\n    br = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y + textbb.height);\n\n  const dstr = 'M' + tl.x + ',' + tl.y +\n    ' L' + tr.x + ',' + tr.y +\n    ' ' + br.x + ',' + br.y +\n    ' ' + bl.x + ',' + bl.y + 'z';\n\n  assignAttributes(selblock, {\n    d: dstr,\n    display: 'inline'\n  });\n}\n\nfunction getIndexFromPoint (mouseX, mouseY) {\n  // Position cursor here\n  const pt = svgroot.createSVGPoint();\n  pt.x = mouseX;\n  pt.y = mouseY;\n\n  // No content, so return 0\n  if (chardata.length === 1) { return 0; }\n  // Determine if cursor should be on left or right of character\n  let charpos = curtext.getCharNumAtPosition(pt);\n  if (charpos < 0) {\n    // Out of text range, look at mouse coords\n    charpos = chardata.length - 2;\n    if (mouseX <= chardata[0].x) {\n      charpos = 0;\n    }\n  } else if (charpos >= chardata.length - 2) {\n    charpos = chardata.length - 2;\n  }\n  const charbb = chardata[charpos];\n  const mid = charbb.x + (charbb.width / 2);\n  if (mouseX > mid) {\n    charpos++;\n  }\n  return charpos;\n}\n\nfunction setCursorFromPoint (mouseX, mouseY) {\n  setCursor(getIndexFromPoint(mouseX, mouseY));\n}\n\nfunction setEndSelectionFromPoint (x, y, apply) {\n  const i1 = textinput.selectionStart;\n  const i2 = getIndexFromPoint(x, y);\n\n  const start = Math.min(i1, i2);\n  const end = Math.max(i1, i2);\n  setSelection(start, end, !apply);\n}\n\nfunction screenToPt (xIn, yIn) {\n  const out = {\n    x: xIn,\n    y: yIn\n  };\n\n  out.x /= currentZoom;\n  out.y /= currentZoom;\n\n  if (matrix) {\n    const pt = transformPoint(out.x, out.y, matrix.inverse());\n    out.x = pt.x;\n    out.y = pt.y;\n  }\n\n  return out;\n}\n\nfunction ptToScreen (xIn, yIn) {\n  const out = {\n    x: xIn,\n    y: yIn\n  };\n\n  if (matrix) {\n    const pt = transformPoint(out.x, out.y, matrix);\n    out.x = pt.x;\n    out.y = pt.y;\n  }\n\n  out.x *= currentZoom;\n  out.y *= currentZoom;\n\n  return out;\n}\n\n/*\n// Not currently in use\nfunction hideCursor () {\n  if (cursor) {\n    cursor.setAttribute('visibility', 'hidden');\n  }\n}\n*/\n\nfunction selectAll (evt) {\n  setSelection(0, curtext.textContent.length);\n  $(this).unbind(evt);\n}\n\nfunction selectWord (evt) {\n  if (!allowDbl || !curtext) { return; }\n\n  const ept = transformPoint(evt.pageX, evt.pageY, rootSctm),\n    mouseX = ept.x * currentZoom,\n    mouseY = ept.y * currentZoom;\n  const pt = screenToPt(mouseX, mouseY);\n\n  const index = getIndexFromPoint(pt.x, pt.y);\n  const str = curtext.textContent;\n  const first = str.substr(0, index).replace(/[a-z0-9]+$/i, '').length;\n  const m = str.substr(index).match(/^[a-z0-9]+/i);\n  const last = (m ? m[0].length : 0) + index;\n  setSelection(first, last);\n\n  // Set tripleclick\n  $(evt.target).click(selectAll);\n  setTimeout(function () {\n    $(evt.target).unbind('click', selectAll);\n  }, 300);\n}\n\nreturn /** @lends module:svgcanvas.SvgCanvas#textActions */ {\n  /**\n  * @param {Element} target\n  * @param {Float} x\n  * @param {Float} y\n  * @returns {undefined}\n  */\n  select (target, x, y) {\n    curtext = target;\n    textActions.toEditMode(x, y);\n  },\n  /**\n  * @param {Element} elem\n  * @returns {undefined}\n  */\n  start (elem) {\n    curtext = elem;\n    textActions.toEditMode();\n  },\n  /**\n  * @param {external:MouseEvent} evt\n  * @param {Element} mouseTarget\n  * @param {Float} startX\n  * @param {Float} startY\n  * @returns {undefined}\n  */\n  mouseDown (evt, mouseTarget, startX, startY) {\n    const pt = screenToPt(startX, startY);\n\n    textinput.focus();\n    setCursorFromPoint(pt.x, pt.y);\n    lastX = startX;\n    lastY = startY;\n\n    // TODO: Find way to block native selection\n  },\n  /**\n  * @param {Float} mouseX\n  * @param {Float} mouseY\n  * @returns {undefined}\n  */\n  mouseMove (mouseX, mouseY) {\n    const pt = screenToPt(mouseX, mouseY);\n    setEndSelectionFromPoint(pt.x, pt.y);\n  },\n  /**\n  * @param {external:MouseEvent}\n  * @param {Float} mouseX\n  * @param {Float} mouseY\n  * @returns {undefined}\n  */\n  mouseUp (evt, mouseX, mouseY) {\n    const pt = screenToPt(mouseX, mouseY);\n\n    setEndSelectionFromPoint(pt.x, pt.y, true);\n\n    // TODO: Find a way to make this work: Use transformed BBox instead of evt.target\n    // if (lastX === mouseX && lastY === mouseY\n    //   && !rectsIntersect(transbb, {x: pt.x, y: pt.y, width: 0, height: 0})) {\n    //   textActions.toSelectMode(true);\n    // }\n\n    if (\n      evt.target !== curtext &&\n      mouseX < lastX + 2 &&\n      mouseX > lastX - 2 &&\n      mouseY < lastY + 2 &&\n      mouseY > lastY - 2\n    ) {\n      textActions.toSelectMode(true);\n    }\n  },\n  /**\n  * @function\n  * @param {Integer} index\n  * @returns {undefined}\n  */\n  setCursor,\n  /**\n  * @param {Float} x\n  * @param {Float} y\n  * @returns {undefined}\n  */\n  toEditMode (x, y) {\n    allowDbl = false;\n    currentMode = 'textedit';\n    selectorManager.requestSelector(curtext).showGrips(false);\n    // Make selector group accept clicks\n    /* const selector = */ selectorManager.requestSelector(curtext); // Do we need this? Has side effect of setting lock, so keeping for now, but next line wasn't being used\n    // const sel = selector.selectorRect;\n\n    textActions.init();\n\n    $(curtext).css('cursor', 'text');\n\n    // if (supportsEditableText()) {\n    //   curtext.setAttribute('editable', 'simple');\n    //   return;\n    // }\n\n    if (!arguments.length) {\n      setCursor();\n    } else {\n      const pt = screenToPt(x, y);\n      setCursorFromPoint(pt.x, pt.y);\n    }\n\n    setTimeout(function () {\n      allowDbl = true;\n    }, 300);\n  },\n  /**\n  * @param {boolean|Element} selectElem\n  * @fires module:svgcanvas.SvgCanvas#event:selected\n  * @returns {undefined}\n  */\n  toSelectMode (selectElem) {\n    currentMode = 'select';\n    clearInterval(blinker);\n    blinker = null;\n    if (selblock) { $(selblock).attr('display', 'none'); }\n    if (cursor) { $(cursor).attr('visibility', 'hidden'); }\n    $(curtext).css('cursor', 'move');\n\n    if (selectElem) {\n      clearSelection();\n      $(curtext).css('cursor', 'move');\n\n      call('selected', [curtext]);\n      addToSelection([curtext], true);\n    }\n    if (curtext && !curtext.textContent.length) {\n      // No content, so delete\n      canvas.deleteSelectedElements();\n    }\n\n    $(textinput).blur();\n\n    curtext = false;\n\n    // if (supportsEditableText()) {\n    //   curtext.removeAttribute('editable');\n    // }\n  },\n  /**\n  * @param {Element} elem\n  * @returns {undefined}\n  */\n  setInputElem (elem) {\n    textinput = elem;\n    // $(textinput).blur(hideCursor);\n  },\n  /**\n  * @returns {undefined}\n  */\n  clear () {\n    if (currentMode === 'textedit') {\n      textActions.toSelectMode();\n    }\n  },\n  /**\n  * @param {Element} inputElem Not in use\n  * @returns {undefined}\n  */\n  init (inputElem) {\n    if (!curtext) { return; }\n    let i, end;\n    // if (supportsEditableText()) {\n    //   curtext.select();\n    //   return;\n    // }\n\n    if (!curtext.parentNode) {\n      // Result of the ffClone, need to get correct element\n      curtext = selectedElements[0];\n      selectorManager.requestSelector(curtext).showGrips(false);\n    }\n\n    const str = curtext.textContent;\n    const len = str.length;\n\n    const xform = curtext.getAttribute('transform');\n\n    textbb = utilsGetBBox(curtext);\n\n    matrix = xform ? getMatrix(curtext) : null;\n\n    chardata = [];\n    chardata.length = len;\n    textinput.focus();\n\n    $(curtext).unbind('dblclick', selectWord).dblclick(selectWord);\n\n    if (!len) {\n      end = {x: textbb.x + (textbb.width / 2), width: 0};\n    }\n\n    for (i = 0; i < len; i++) {\n      const start = curtext.getStartPositionOfChar(i);\n      end = curtext.getEndPositionOfChar(i);\n\n      if (!supportsGoodTextCharPos()) {\n        const offset = canvas.contentW * currentZoom;\n        start.x -= offset;\n        end.x -= offset;\n\n        start.x /= currentZoom;\n        end.x /= currentZoom;\n      }\n\n      // Get a \"bbox\" equivalent for each character. Uses the\n      // bbox data of the actual text for y, height purposes\n\n      // TODO: Decide if y, width and height are actually necessary\n      chardata[i] = {\n        x: start.x,\n        y: textbb.y, // start.y?\n        width: end.x - start.x,\n        height: textbb.height\n      };\n    }\n\n    // Add a last bbox for cursor at end of text\n    chardata.push({\n      x: end.x,\n      width: 0\n    });\n    setSelection(textinput.selectionStart, textinput.selectionEnd, true);\n  }\n};\n}());\n\n/**\n* Group: Serialization\n*/\n\n/**\n* Looks at DOM elements inside the `<defs>` to see if they are referred to,\n* removes them from the DOM if they are not.\n* @function module:svgcanvas.SvgCanvas#removeUnusedDefElems\n* @returns {Integer} The number of elements that were removed\n*/\nconst removeUnusedDefElems = this.removeUnusedDefElems = function () {\n  const defs = svgcontent.getElementsByTagNameNS(NS.SVG, 'defs');\n  if (!defs || !defs.length) { return 0; }\n\n  // if (!defs.firstChild) { return; }\n\n  const defelemUses = [];\n  let numRemoved = 0;\n  const attrs = ['fill', 'stroke', 'filter', 'marker-start', 'marker-mid', 'marker-end'];\n  const alen = attrs.length;\n\n  const allEls = svgcontent.getElementsByTagNameNS(NS.SVG, '*');\n  const allLen = allEls.length;\n\n  let i, j;\n  for (i = 0; i < allLen; i++) {\n    const el = allEls[i];\n    for (j = 0; j < alen; j++) {\n      const ref = getUrlFromAttr(el.getAttribute(attrs[j]));\n      if (ref) {\n        defelemUses.push(ref.substr(1));\n      }\n    }\n\n    // gradients can refer to other gradients\n    const href = getHref(el);\n    if (href && href.startsWith('#')) {\n      defelemUses.push(href.substr(1));\n    }\n  }\n\n  const defelems = $(defs).find('linearGradient, radialGradient, filter, marker, svg, symbol');\n  i = defelems.length;\n  while (i--) {\n    const defelem = defelems[i];\n    const {id} = defelem;\n    if (!defelemUses.includes(id)) {\n      // Not found, so remove (but remember)\n      removedElements[id] = defelem;\n      defelem.remove();\n      numRemoved++;\n    }\n  }\n\n  return numRemoved;\n};\n\n/**\n* Main function to set up the SVG content for output\n* @function module:svgcanvas.SvgCanvas#svgCanvasToString\n* @returns {string} The SVG image for output\n*/\nthis.svgCanvasToString = function () {\n  // keep calling it until there are none to remove\n  while (removeUnusedDefElems() > 0) {}\n\n  pathActions.clear(true);\n\n  // Keep SVG-Edit comment on top\n  $.each(svgcontent.childNodes, function (i, node) {\n    if (i && node.nodeType === 8 && node.data.includes('Created with')) {\n      svgcontent.firstChild.before(node);\n    }\n  });\n\n  // Move out of in-group editing mode\n  if (currentGroup) {\n    draw.leaveContext();\n    selectOnly([currentGroup]);\n  }\n\n  const nakedSvgs = [];\n\n  // Unwrap gsvg if it has no special attributes (only id and style)\n  $(svgcontent).find('g:data(gsvg)').each(function () {\n    const attrs = this.attributes;\n    let len = attrs.length;\n    for (let i = 0; i < len; i++) {\n      if (attrs[i].nodeName === 'id' || attrs[i].nodeName === 'style') {\n        len--;\n      }\n    }\n    // No significant attributes, so ungroup\n    if (len <= 0) {\n      const svg = this.firstChild;\n      nakedSvgs.push(svg);\n      $(this).replaceWith(svg);\n    }\n  });\n  const output = this.svgToString(svgcontent, 0);\n\n  // Rewrap gsvg\n  if (nakedSvgs.length) {\n    $(nakedSvgs).each(function () {\n      groupSvgElem(this);\n    });\n  }\n\n  return output;\n};\n\n/**\n* Sub function ran on each SVG element to convert it to a string as desired\n* @function module:svgcanvas.SvgCanvas#svgToString\n* @param {Element} elem - The SVG element to convert\n* @param {Integer} indent - Number of spaces to indent this tag\n* @returns {string} The given element as an SVG tag\n*/\nthis.svgToString = function (elem, indent) {\n  const out = [];\n  const unit = curConfig.baseUnit;\n  const unitRe = new RegExp('^-?[\\\\d\\\\.]+' + unit + '$');\n\n  if (elem) {\n    cleanupElement(elem);\n    const attrs = Array.from(elem.attributes);\n    let i;\n    const childs = elem.childNodes;\n    attrs.sort((a, b) => a.name > b.name ? -1 : 1);\n\n    for (i = 0; i < indent; i++) { out.push(' '); }\n    out.push('<'); out.push(elem.nodeName);\n    if (elem.id === 'svgcontent') {\n      // Process root element separately\n      const res = getResolution();\n\n      const vb = '';\n      // TODO: Allow this by dividing all values by current baseVal\n      // Note that this also means we should properly deal with this on import\n      // if (curConfig.baseUnit !== 'px') {\n      //   const unit = curConfig.baseUnit;\n      //   const unitM = getTypeMap()[unit];\n      //   res.w = shortFloat(res.w / unitM);\n      //   res.h = shortFloat(res.h / unitM);\n      //   vb = ' viewBox=\"' + [0, 0, res.w, res.h].join(' ') + '\"';\n      //   res.w += unit;\n      //   res.h += unit;\n      // }\n\n      if (unit !== 'px') {\n        res.w = convertUnit(res.w, unit) + unit;\n        res.h = convertUnit(res.h, unit) + unit;\n      }\n\n      out.push(' width=\"' + res.w + '\" height=\"' + res.h + '\"' + vb + ' xmlns=\"' + NS.SVG + '\"');\n\n      const nsuris = {};\n\n      // Check elements for namespaces, add if found\n      $(elem).find('*').andSelf().each(function () {\n        // const el = this;\n        // for some elements have no attribute\n        const uri = this.namespaceURI;\n        if (uri && !nsuris[uri] && nsMap[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {\n          nsuris[uri] = true;\n          out.push(' xmlns:' + nsMap[uri] + '=\"' + uri + '\"');\n        }\n\n        $.each(this.attributes, function (i, attr) {\n          const uri = attr.namespaceURI;\n          if (uri && !nsuris[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {\n            nsuris[uri] = true;\n            out.push(' xmlns:' + nsMap[uri] + '=\"' + uri + '\"');\n          }\n        });\n      });\n\n      i = attrs.length;\n      const attrNames = ['width', 'height', 'xmlns', 'x', 'y', 'viewBox', 'id', 'overflow'];\n      while (i--) {\n        const attr = attrs[i];\n        const attrVal = toXml(attr.value);\n\n        // Namespaces have already been dealt with, so skip\n        if (attr.nodeName.startsWith('xmlns:')) { continue; }\n\n        // only serialize attributes we don't use internally\n        if (attrVal !== '' && !attrNames.includes(attr.localName)) {\n          if (!attr.namespaceURI || nsMap[attr.namespaceURI]) {\n            out.push(' ');\n            out.push(attr.nodeName); out.push('=\"');\n            out.push(attrVal); out.push('\"');\n          }\n        }\n      }\n    } else {\n      // Skip empty defs\n      if (elem.nodeName === 'defs' && !elem.firstChild) { return; }\n\n      const mozAttrs = ['-moz-math-font-style', '_moz-math-font-style'];\n      for (i = attrs.length - 1; i >= 0; i--) {\n        const attr = attrs[i];\n        let attrVal = toXml(attr.value);\n        // remove bogus attributes added by Gecko\n        if (mozAttrs.includes(attr.localName)) { continue; }\n        if (attrVal !== '') {\n          if (attrVal.startsWith('pointer-events')) { continue; }\n          if (attr.localName === 'class' && attrVal.startsWith('se_')) { continue; }\n          out.push(' ');\n          if (attr.localName === 'd') { attrVal = pathActions.convertPath(elem, true); }\n          if (!isNaN(attrVal)) {\n            attrVal = shortFloat(attrVal);\n          } else if (unitRe.test(attrVal)) {\n            attrVal = shortFloat(attrVal) + unit;\n          }\n\n          // Embed images when saving\n          if (saveOptions.apply &&\n            elem.nodeName === 'image' &&\n            attr.localName === 'href' &&\n            saveOptions.images &&\n            saveOptions.images === 'embed'\n          ) {\n            const img = encodableImages[attrVal];\n            if (img) { attrVal = img; }\n          }\n\n          // map various namespaces to our fixed namespace prefixes\n          // (the default xmlns attribute itself does not get a prefix)\n          if (!attr.namespaceURI || attr.namespaceURI === NS.SVG || nsMap[attr.namespaceURI]) {\n            out.push(attr.nodeName); out.push('=\"');\n            out.push(attrVal); out.push('\"');\n          }\n        }\n      }\n    }\n\n    if (elem.hasChildNodes()) {\n      out.push('>');\n      indent++;\n      let bOneLine = false;\n\n      for (i = 0; i < childs.length; i++) {\n        const child = childs.item(i);\n        switch (child.nodeType) {\n        case 1: // element node\n          out.push('\\n');\n          out.push(this.svgToString(childs.item(i), indent));\n          break;\n        case 3: // text node\n          const str = child.nodeValue.replace(/^\\s+|\\s+$/g, '');\n          if (str !== '') {\n            bOneLine = true;\n            out.push(String(toXml(str)));\n          }\n          break;\n        case 4: // cdata node\n          out.push('\\n');\n          out.push(new Array(indent + 1).join(' '));\n          out.push('<![CDATA[');\n          out.push(child.nodeValue);\n          out.push(']]>');\n          break;\n        case 8: // comment\n          out.push('\\n');\n          out.push(new Array(indent + 1).join(' '));\n          out.push('<!--');\n          out.push(child.data);\n          out.push('-->');\n          break;\n        } // switch on node type\n      }\n      indent--;\n      if (!bOneLine) {\n        out.push('\\n');\n        for (i = 0; i < indent; i++) { out.push(' '); }\n      }\n      out.push('</'); out.push(elem.nodeName); out.push('>');\n    } else {\n      out.push('/>');\n    }\n  }\n  return out.join('');\n}; // end svgToString()\n\n/**\n * Function to run when image data is found\n * @callback module:svgcanvas.ImageEmbeddedCallback\n * @param {string|false} result Data URL\n * @returns {undefined}\n */\n/**\n* Converts a given image file to a data URL when possible, then runs a given callback\n* @function module:svgcanvas.SvgCanvas#embedImage\n* @param {string} src - The path/URL of the image\n* @param {module:svgcanvas.ImageEmbeddedCallback} [callback] - Function to run when image data is found\n* @returns {Promise} Resolves to Data URL (string|false)\n*/\nthis.embedImage = function (src, callback) {\n  return new Promise(function (resolve, reject) {\n    // load in the image and once it's loaded, get the dimensions\n    $(new Image()).load(function (response, status, xhr) {\n      if (status === 'error') {\n        reject(new Error('Error loading image: ' + xhr.status + ' ' + xhr.statusText));\n        return;\n      }\n      // create a canvas the same size as the raster image\n      const cvs = document.createElement('canvas');\n      cvs.width = this.width;\n      cvs.height = this.height;\n      // load the raster image into the canvas\n      cvs.getContext('2d').drawImage(this, 0, 0);\n      // retrieve the data: URL\n      try {\n        let urldata = ';svgedit_url=' + encodeURIComponent(src);\n        urldata = cvs.toDataURL().replace(';base64', urldata + ';base64');\n        encodableImages[src] = urldata;\n      } catch (e) {\n        encodableImages[src] = false;\n      }\n      lastGoodImgUrl = src;\n      if (callback) { callback(encodableImages[src]); }\n      resolve(encodableImages[src]);\n    }).attr('src', src);\n  });\n};\n\n/**\n* Sets a given URL to be a \"last good image\" URL\n* @function module:svgcanvas.SvgCanvas#setGoodImage\n* @param {string} val\n* @returns {undefined}\n*/\nthis.setGoodImage = function (val) {\n  lastGoodImgUrl = val;\n};\n\n/**\n* Does nothing by default, handled by optional widget/extension\n* @function module:svgcanvas.SvgCanvas#open\n* @returns {undefined}\n*/\nthis.open = function () {\n};\n\n/**\n* Serializes the current drawing into SVG XML text and passes it to the 'saved' handler.\n* This function also includes the XML prolog. Clients of the `SvgCanvas` bind their save\n* function to the 'saved' event.\n* @function module:svgcanvas.SvgCanvas#save\n* @param {module:svgcanvas.SaveOptions} opts\n* @fires module:svgcanvas.SvgCanvas#event:saved\n* @returns {undefined}\n*/\nthis.save = function (opts) {\n  // remove the selected outline before serializing\n  clearSelection();\n  // Update save options if provided\n  if (opts) { $.extend(saveOptions, opts); }\n  saveOptions.apply = true;\n\n  // no need for doctype, see https://jwatt.org/svg/authoring/#doctype-declaration\n  const str = this.svgCanvasToString();\n  call('saved', str);\n};\n\n/**\n* Codes only is useful for locale-independent detection\n*/\nfunction getIssues () {\n  // remove the selected outline before serializing\n  clearSelection();\n\n  // Check for known CanVG issues\n  const issues = [];\n  const issueCodes = [];\n\n  // Selector and notice\n  const issueList = {\n    feGaussianBlur: uiStrings.exportNoBlur,\n    foreignObject: uiStrings.exportNoforeignObject,\n    '[stroke-dasharray]': uiStrings.exportNoDashArray\n  };\n  const content = $(svgcontent);\n\n  // Add font/text check if Canvas Text API is not implemented\n  if (!('font' in $('<canvas>')[0].getContext('2d'))) {\n    issueList.text = uiStrings.exportNoText;\n  }\n\n  $.each(issueList, function (sel, descr) {\n    if (content.find(sel).length) {\n      issueCodes.push(sel);\n      issues.push(descr);\n    }\n  });\n  return {issues, issueCodes};\n}\n\nlet canvg;\n/**\n* @typedef {\"feGaussianBlur\"|\"foreignObject\"|\"[stroke-dasharray]\"|\"text\"} module:svgcanvas.IssueCode\n*/\n/**\n* @typedef {PlainObject} module:svgcanvas.ImageExportedResults\n* @property {string} datauri Contents as a Data URL\n* @property {string} bloburl May be the empty string\n* @property {string} svg The SVG contents as a string\n* @property {string[]} issues The localization messages of `issueCodes`\n* @property {module:svgcanvas.IssueCode[]} issueCodes CanVG issues found with the SVG\n* @property {\"PNG\"|\"JPEG\"|\"BMP\"|\"WEBP\"|\"ICO\"} type The chosen image type\n* @property {\"image/png\"|\"image/jpeg\"|\"image/bmp\"|\"image/webp\"} mimeType The image MIME type\n* @property {Float} quality A decimal between 0 and 1 (for use with JPEG or WEBP)\n* @property {string} exportWindowName A convenience for passing along a `window.name` to target a window on which the export could be added\n*/\n\n/**\n * Function to run when image data is found\n * @callback module:svgcanvas.ImageExportedCallback\n * @param {module:svgcanvas.ImageExportedResults} obj\n * @returns {undefined}\n */\n/**\n* Generates a PNG (or JPG, BMP, WEBP) Data URL based on the current image,\n* then calls \"exported\" with an object including the string, image\n* information, and any issues found\n* @function module:svgcanvas.SvgCanvas#rasterExport\n* @param {\"PNG\"|\"JPEG\"|\"BMP\"|\"WEBP\"|\"ICO\"} [imgType=\"PNG\"]\n* @param {Float} [quality] Between 0 and 1\n* @param {string} [exportWindowName]\n* @param {module:svgcanvas.ImageExportedCallback} [cb]\n* @fires module:svgcanvas.SvgCanvas#event:exported\n* @todo Confirm/fix ICO type\n* @returns {Promise} Resolves to {@link module:svgcanvas.ImageExportedResults}\n*/\nthis.rasterExport = function (imgType, quality, exportWindowName, cb) {\n  const type = imgType === 'ICO' ? 'BMP' : (imgType || 'PNG');\n  const mimeType = 'image/' + type.toLowerCase();\n  const {issues, issueCodes} = getIssues();\n  const svg = this.svgCanvasToString();\n\n  return new Promise(async (resolve, reject) => {\n    if (!canvg) {\n      ({canvg} = await importSetGlobal(curConfig.canvgPath + 'canvg.js', {\n        global: 'canvg'\n      }));\n    }\n    if (!$('#export_canvas').length) {\n      $('<canvas>', {id: 'export_canvas'}).hide().appendTo('body');\n    }\n    const c = $('#export_canvas')[0];\n    c.width = canvas.contentW;\n    c.height = canvas.contentH;\n\n    await canvg(c, svg);\n    const dataURLType = type.toLowerCase();\n    const datauri = quality\n      ? c.toDataURL('image/' + dataURLType, quality)\n      : c.toDataURL('image/' + dataURLType);\n    let bloburl;\n    function done () {\n      const obj = {\n        datauri, bloburl, svg, issues, issueCodes, type: imgType,\n        mimeType, quality, exportWindowName\n      };\n      call('exported', obj);\n      if (cb) {\n        cb(obj);\n      }\n      resolve(obj);\n    }\n    if (c.toBlob) {\n      c.toBlob((blob) => {\n        bloburl = createObjectURL(blob);\n        done();\n      }, mimeType, quality);\n      return;\n    }\n    bloburl = dataURLToObjectURL(datauri);\n    done();\n  });\n};\n/**\n * @external jsPDF\n */\n/**\n * @typedef {undefined|\"save\"|\"arraybuffer\"|\"blob\"|\"datauristring\"|\"dataurlstring\"|\"dataurlnewwindow\"|\"datauri\"|\"dataurl\"} external:jsPDF.OutputType\n * @todo Newer version to add also allows these `outputType` values \"bloburi\"|\"bloburl\" which return strings, so document here and for `outputType` of `module:svgcanvas.PDFExportedResults` below if added\n*/\n/**\n* @typedef {PlainObject} module:svgcanvas.PDFExportedResults\n* @property {string} svg The SVG PDF output\n* @property {string|ArrayBuffer|Blob|window} output The output based on the `outputType`;\n* if `undefined`, \"datauristring\", \"dataurlstring\", \"datauri\",\n* or \"dataurl\", will be a string (`undefined` gives a document, while the others\n* build as Data URLs; \"datauri\" and \"dataurl\" change the location of the current page); if\n* \"arraybuffer\", will return `ArrayBuffer`; if \"blob\", returns a `Blob`;\n* if \"dataurlnewwindow\", will change the current page's location and return a string\n* if in Safari and no window object is found; otherwise opens in, and returns, a new `window`\n* object; if \"save\", will have the same return as \"dataurlnewwindow\" if\n* `navigator.getUserMedia` support is found without `URL.createObjectURL` support; otherwise\n* returns `undefined` but attempts to save\n* @property {external:jsPDF.OutputType} outputType\n* @property {string[]} issues The human-readable localization messages of corresponding `issueCodes`\n* @property {module:svgcanvas.IssueCode[]} issueCodes\n* @property {string} exportWindowName\n*/\n\n/**\n * Function to run when PDF data is found\n * @callback module:svgcanvas.PDFExportedCallback\n * @param {module:svgcanvas.PDFExportedResults} obj\n * @returns {undefined}\n */\n/**\n* Generates a PDF based on the current image, then calls \"exportedPDF\" with\n* an object including the string, the data URL, and any issues found\n* @function module:svgcanvas.SvgCanvas#exportPDF\n* @param {string} exportWindowName Will also be used for the download file name here\n* @param {external:jsPDF.OutputType} [outputType=\"dataurlstring\"]\n* @param {module:svgcanvas.PDFExportedCallback} cb\n* @fires module:svgcanvas.SvgCanvas#event:exportedPDF\n* @returns {Promise} Resolves to {@link module:svgcanvas.PDFExportedResults}\n*/\nthis.exportPDF = function (exportWindowName, outputType, cb) {\n  const that = this;\n  return new Promise(async (resolve, reject) => {\n    if (!window.jsPDF) {\n      // Todo: Switch to `import()` when widely supported and available (also allow customization of path)\n      await importScript([\n        // We do not currently have these paths configurable as they are\n        //   currently global-only, so not Rolled-up\n        'jspdf/underscore-min.js',\n        'jspdf/jspdf.min.js'\n      ]);\n\n      const modularVersion = !('svgEditor' in window) ||\n        !window.svgEditor ||\n        window.svgEditor.modules !== false;\n      // Todo: Switch to `import()` when widely supported and available (also allow customization of path)\n      await importScript(curConfig.jspdfPath + 'jspdf.plugin.svgToPdf.js', {\n        type: modularVersion\n          ? 'module'\n          : 'text/javascript'\n      });\n      // await importModule('jspdf/jspdf.plugin.svgToPdf.js');\n    }\n\n    const res = getResolution();\n    const orientation = res.w > res.h ? 'landscape' : 'portrait';\n    const unit = 'pt'; // curConfig.baseUnit; // We could use baseUnit, but that is presumably not intended for export purposes\n\n    // Todo: Give options to use predefined jsPDF formats like \"a4\", etc. from pull-down (with option to keep customizable)\n    const doc = jsPDF({\n      orientation,\n      unit,\n      format: [res.w, res.h]\n      // , compressPdf: true\n    });\n    const docTitle = getDocumentTitle();\n    doc.setProperties({\n      title: docTitle /* ,\n      subject: '',\n      author: '',\n      keywords: '',\n      creator: '' */\n    });\n    const {issues, issueCodes} = getIssues();\n    const svg = that.svgCanvasToString();\n    doc.addSVG(svg, 0, 0);\n\n    // doc.output('save'); // Works to open in a new\n    //  window; todo: configure this and other export\n    //  options to optionally work in this manner as\n    //  opposed to opening a new tab\n    outputType = outputType || 'dataurlstring';\n    const obj = {svg, issues, issueCodes, exportWindowName, outputType};\n    obj.output = doc.output(outputType, outputType === 'save' ? (exportWindowName || 'svg.pdf') : undefined);\n    if (cb) {\n      cb(obj);\n    }\n    resolve(obj);\n    call('exportedPDF', obj);\n  });\n};\n\n/**\n* Returns the current drawing as raw SVG XML text.\n* @function module:svgcanvas.SvgCanvas#getSvgString\n* @returns {string} The current drawing as raw SVG XML text.\n*/\nthis.getSvgString = function () {\n  saveOptions.apply = false;\n  return this.svgCanvasToString();\n};\n\n/**\n* This function determines whether to use a nonce in the prefix, when\n* generating IDs for future documents in SVG-Edit.\n* If you're controlling SVG-Edit externally, and want randomized IDs, call\n* this BEFORE calling svgCanvas.setSvgString\n* @function module:svgcanvas.SvgCanvas#randomizeIds\n* @param {boolean} [enableRandomization] If true, adds a nonce to the prefix. Thus\n* `svgCanvas.randomizeIds() <==> svgCanvas.randomizeIds(true)`\n* @returns {undefined}\n*/\nthis.randomizeIds = function (enableRandomization) {\n  if (arguments.length > 0 && enableRandomization === false) {\n    draw.randomizeIds(false, getCurrentDrawing());\n  } else {\n    draw.randomizeIds(true, getCurrentDrawing());\n  }\n};\n\n/**\n* Ensure each element has a unique ID\n* @function module:svgcanvas.SvgCanvas#uniquifyElems\n* @param {Element} g - The parent element of the tree to give unique IDs\n* @returns {undefined}\n*/\nconst uniquifyElems = this.uniquifyElems = function (g) {\n  const ids = {};\n  // TODO: Handle markers and connectors. These are not yet re-identified properly\n  // as their referring elements do not get remapped.\n  //\n  // <marker id='se_marker_end_svg_7'/>\n  // <polyline id='svg_7' se:connector='svg_1 svg_6' marker-end='url(#se_marker_end_svg_7)'/>\n  //\n  // Problem #1: if svg_1 gets renamed, we do not update the polyline's se:connector attribute\n  // Problem #2: if the polyline svg_7 gets renamed, we do not update the marker id nor the polyline's marker-end attribute\n  const refElems = ['filter', 'linearGradient', 'pattern', 'radialGradient', 'symbol', 'textPath', 'use'];\n\n  walkTree(g, function (n) {\n    // if it's an element node\n    if (n.nodeType === 1) {\n      // and the element has an ID\n      if (n.id) {\n        // and we haven't tracked this ID yet\n        if (!(n.id in ids)) {\n          // add this id to our map\n          ids[n.id] = {elem: null, attrs: [], hrefs: []};\n        }\n        ids[n.id].elem = n;\n      }\n\n      // now search for all attributes on this element that might refer\n      // to other elements\n      $.each(refAttrs, function (i, attr) {\n        const attrnode = n.getAttributeNode(attr);\n        if (attrnode) {\n          // the incoming file has been sanitized, so we should be able to safely just strip off the leading #\n          const url = getUrlFromAttr(attrnode.value),\n            refid = url ? url.substr(1) : null;\n          if (refid) {\n            if (!(refid in ids)) {\n              // add this id to our map\n              ids[refid] = {elem: null, attrs: [], hrefs: []};\n            }\n            ids[refid].attrs.push(attrnode);\n          }\n        }\n      });\n\n      // check xlink:href now\n      const href = getHref(n);\n      // TODO: what if an <image> or <a> element refers to an element internally?\n      if (href && refElems.includes(n.nodeName)) {\n        const refid = href.substr(1);\n        if (refid) {\n          if (!(refid in ids)) {\n            // add this id to our map\n            ids[refid] = {elem: null, attrs: [], hrefs: []};\n          }\n          ids[refid].hrefs.push(n);\n        }\n      }\n    }\n  });\n\n  // in ids, we now have a map of ids, elements and attributes, let's re-identify\n  for (const oldid in ids) {\n    if (!oldid) { continue; }\n    const {elem} = ids[oldid];\n    if (elem) {\n      const newid = getNextId();\n\n      // assign element its new id\n      elem.id = newid;\n\n      // remap all url() attributes\n      const {attrs} = ids[oldid];\n      let j = attrs.length;\n      while (j--) {\n        const attr = attrs[j];\n        attr.ownerElement.setAttribute(attr.name, 'url(#' + newid + ')');\n      }\n\n      // remap all href attributes\n      const hreffers = ids[oldid].hrefs;\n      let k = hreffers.length;\n      while (k--) {\n        const hreffer = hreffers[k];\n        setHref(hreffer, '#' + newid);\n      }\n    }\n  }\n};\n\n/**\n* Assigns reference data for each use element\n* @function module:svgcanvas.SvgCanvas#setUseData\n* @param {Element} parent\n* @returns {undefined}\n*/\nconst setUseData = this.setUseData = function (parent) {\n  let elems = $(parent);\n\n  if (parent.tagName !== 'use') {\n    elems = elems.find('use');\n  }\n\n  elems.each(function () {\n    const id = getHref(this).substr(1);\n    const refElem = getElem(id);\n    if (!refElem) { return; }\n    $(this).data('ref', refElem);\n    if (refElem.tagName === 'symbol' || refElem.tagName === 'svg') {\n      $(this).data('symbol', refElem).data('ref', refElem);\n    }\n  });\n};\n\n/**\n* Converts gradients from userSpaceOnUse to objectBoundingBox\n* @function module:svgcanvas.SvgCanvas#convertGradients\n* @param {Element} elem\n* @returns {undefined}\n*/\nconst convertGradients = this.convertGradients = function (elem) {\n  let elems = $(elem).find('linearGradient, radialGradient');\n  if (!elems.length && isWebkit()) {\n    // Bug in webkit prevents regular *Gradient selector search\n    elems = $(elem).find('*').filter(function () {\n      return (this.tagName.includes('Gradient'));\n    });\n  }\n\n  elems.each(function () {\n    const grad = this;\n    if ($(grad).attr('gradientUnits') === 'userSpaceOnUse') {\n      // TODO: Support more than one element with this ref by duplicating parent grad\n      const elems = $(svgcontent).find('[fill=\"url(#' + grad.id + ')\"],[stroke=\"url(#' + grad.id + ')\"]');\n      if (!elems.length) { return; }\n\n      // get object's bounding box\n      const bb = utilsGetBBox(elems[0]);\n\n      // This will occur if the element is inside a <defs> or a <symbol>,\n      // in which we shouldn't need to convert anyway.\n      if (!bb) { return; }\n\n      if (grad.tagName === 'linearGradient') {\n        const gCoords = $(grad).attr(['x1', 'y1', 'x2', 'y2']);\n\n        // If has transform, convert\n        const tlist = grad.gradientTransform.baseVal;\n        if (tlist && tlist.numberOfItems > 0) {\n          const m = transformListToTransform(tlist).matrix;\n          const pt1 = transformPoint(gCoords.x1, gCoords.y1, m);\n          const pt2 = transformPoint(gCoords.x2, gCoords.y2, m);\n\n          gCoords.x1 = pt1.x;\n          gCoords.y1 = pt1.y;\n          gCoords.x2 = pt2.x;\n          gCoords.y2 = pt2.y;\n          grad.removeAttribute('gradientTransform');\n        }\n\n        $(grad).attr({\n          x1: (gCoords.x1 - bb.x) / bb.width,\n          y1: (gCoords.y1 - bb.y) / bb.height,\n          x2: (gCoords.x2 - bb.x) / bb.width,\n          y2: (gCoords.y2 - bb.y) / bb.height\n        });\n        grad.removeAttribute('gradientUnits');\n      }\n      // else {\n      //   Note: radialGradient elements cannot be easily converted\n      //   because userSpaceOnUse will keep circular gradients, while\n      //   objectBoundingBox will x/y scale the gradient according to\n      //   its bbox.\n      //\n      //   For now we'll do nothing, though we should probably have\n      //   the gradient be updated as the element is moved, as\n      //   inkscape/illustrator do.\n      //\n      //   const gCoords = $(grad).attr(['cx', 'cy', 'r']);\n      //\n      //   $(grad).attr({\n      //     cx: (gCoords.cx - bb.x) / bb.width,\n      //     cy: (gCoords.cy - bb.y) / bb.height,\n      //     r: gCoords.r\n      //   });\n      //\n      //   grad.removeAttribute('gradientUnits');\n      // }\n    }\n  });\n};\n\n/**\n* Converts selected/given `<use>` or child SVG element to a group\n* @function module:svgcanvas.SvgCanvas#convertToGroup\n* @param {Element} elem\n* @fires module:svgcanvas.SvgCanvas#event:selected\n* @returns {undefined}\n*/\nconst convertToGroup = this.convertToGroup = function (elem) {\n  if (!elem) {\n    elem = selectedElements[0];\n  }\n  const $elem = $(elem);\n  const batchCmd = new BatchCommand();\n  let ts;\n\n  if ($elem.data('gsvg')) {\n    // Use the gsvg as the new group\n    const svg = elem.firstChild;\n    const pt = $(svg).attr(['x', 'y']);\n\n    $(elem.firstChild.firstChild).unwrap();\n    $(elem).removeData('gsvg');\n\n    const tlist = getTransformList(elem);\n    const xform = svgroot.createSVGTransform();\n    xform.setTranslate(pt.x, pt.y);\n    tlist.appendItem(xform);\n    recalculateDimensions(elem);\n    call('selected', [elem]);\n  } else if ($elem.data('symbol')) {\n    elem = $elem.data('symbol');\n\n    ts = $elem.attr('transform');\n    const pos = $elem.attr(['x', 'y']);\n\n    const vb = elem.getAttribute('viewBox');\n\n    if (vb) {\n      const nums = vb.split(' ');\n      pos.x -= +nums[0];\n      pos.y -= +nums[1];\n    }\n\n    // Not ideal, but works\n    ts += ' translate(' + (pos.x || 0) + ',' + (pos.y || 0) + ')';\n\n    const prev = $elem.prev();\n\n    // Remove <use> element\n    batchCmd.addSubCommand(new RemoveElementCommand($elem[0], $elem[0].nextSibling, $elem[0].parentNode));\n    $elem.remove();\n\n    // See if other elements reference this symbol\n    const hasMore = $(svgcontent).find('use:data(symbol)').length;\n\n    const g = svgdoc.createElementNS(NS.SVG, 'g');\n    const childs = elem.childNodes;\n\n    let i;\n    for (i = 0; i < childs.length; i++) {\n      g.append(childs[i].cloneNode(true));\n    }\n\n    // Duplicate the gradients for Gecko, since they weren't included in the <symbol>\n    if (isGecko()) {\n      const dupeGrads = $(findDefs()).children('linearGradient,radialGradient,pattern').clone();\n      $(g).append(dupeGrads);\n    }\n\n    if (ts) {\n      g.setAttribute('transform', ts);\n    }\n\n    const parent = elem.parentNode;\n\n    uniquifyElems(g);\n\n    // Put the dupe gradients back into <defs> (after uniquifying them)\n    if (isGecko()) {\n      $(findDefs()).append($(g).find('linearGradient,radialGradient,pattern'));\n    }\n\n    // now give the g itself a new id\n    g.id = getNextId();\n\n    prev.after(g);\n\n    if (parent) {\n      if (!hasMore) {\n        // remove symbol/svg element\n        const {nextSibling} = elem;\n        elem.remove();\n        batchCmd.addSubCommand(new RemoveElementCommand(elem, nextSibling, parent));\n      }\n      batchCmd.addSubCommand(new InsertElementCommand(g));\n    }\n\n    setUseData(g);\n\n    if (isGecko()) {\n      convertGradients(findDefs());\n    } else {\n      convertGradients(g);\n    }\n\n    // recalculate dimensions on the top-level children so that unnecessary transforms\n    // are removed\n    walkTreePost(g, function (n) {\n      try {\n        recalculateDimensions(n);\n      } catch (e) {\n        console.log(e);\n      }\n    });\n\n    // Give ID for any visible element missing one\n    $(g).find(visElems).each(function () {\n      if (!this.id) { this.id = getNextId(); }\n    });\n\n    selectOnly([g]);\n\n    const cm = pushGroupProperties(g, true);\n    if (cm) {\n      batchCmd.addSubCommand(cm);\n    }\n\n    addCommandToHistory(batchCmd);\n  } else {\n    console.log('Unexpected element to ungroup:', elem);\n  }\n};\n\n/**\n* This function sets the current drawing as the input SVG XML.\n* @function module:svgcanvas.SvgCanvas#setSvgString\n* @param {string} xmlString - The SVG as XML text.\n* @param {boolean} [preventUndo=false] - Indicates if we want to do the\n* changes without adding them to the undo stack - e.g. for initializing a\n* drawing on page load.\n* @fires module:svgcanvas.SvgCanvas#event:setnonce\n* @fires module:svgcanvas.SvgCanvas#event:unsetnonce\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {boolean} This function returns `false` if the set was\n*     unsuccessful, `true` otherwise.\n*/\nthis.setSvgString = function (xmlString, preventUndo) {\n  try {\n    // convert string into XML document\n    const newDoc = text2xml(xmlString);\n    if (newDoc.firstElementChild &&\n      newDoc.firstElementChild.namespaceURI !== NS.SVG) {\n      return false;\n    }\n\n    this.prepareSvg(newDoc);\n\n    const batchCmd = new BatchCommand('Change Source');\n\n    // remove old svg document\n    const {nextSibling} = svgcontent;\n    const oldzoom = svgroot.removeChild(svgcontent);\n    batchCmd.addSubCommand(new RemoveElementCommand(oldzoom, nextSibling, svgroot));\n\n    // set new svg document\n    // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()\n    if (svgdoc.adoptNode) {\n      svgcontent = svgdoc.adoptNode(newDoc.documentElement);\n    } else {\n      svgcontent = svgdoc.importNode(newDoc.documentElement, true);\n    }\n\n    svgroot.append(svgcontent);\n    const content = $(svgcontent);\n\n    canvas.current_drawing_ = new draw.Drawing(svgcontent, idprefix);\n\n    // retrieve or set the nonce\n    const nonce = getCurrentDrawing().getNonce();\n    if (nonce) {\n      call('setnonce', nonce);\n    } else {\n      call('unsetnonce');\n    }\n\n    // change image href vals if possible\n    content.find('image').each(function () {\n      const image = this;\n      preventClickDefault(image);\n      const val = getHref(this);\n      if (val) {\n        if (val.startsWith('data:')) {\n          // Check if an SVG-edit data URI\n          const m = val.match(/svgedit_url=(.*?);/);\n          if (m) {\n            const url = decodeURIComponent(m[1]);\n            $(new Image()).load(function () {\n              image.setAttributeNS(NS.XLINK, 'xlink:href', url);\n            }).attr('src', url);\n          }\n        }\n        // Add to encodableImages if it loads\n        canvas.embedImage(val);\n      }\n    });\n\n    // Wrap child SVGs in group elements\n    content.find('svg').each(function () {\n      // Skip if it's in a <defs>\n      if ($(this).closest('defs').length) { return; }\n\n      uniquifyElems(this);\n\n      // Check if it already has a gsvg group\n      const pa = this.parentNode;\n      if (pa.childNodes.length === 1 && pa.nodeName === 'g') {\n        $(pa).data('gsvg', this);\n        pa.id = pa.id || getNextId();\n      } else {\n        groupSvgElem(this);\n      }\n    });\n\n    // For Firefox: Put all paint elems in defs\n    if (isGecko()) {\n      content.find('linearGradient, radialGradient, pattern').appendTo(findDefs());\n    }\n\n    // Set ref element for <use> elements\n\n    // TODO: This should also be done if the object is re-added through \"redo\"\n    setUseData(content);\n\n    convertGradients(content[0]);\n\n    const attrs = {\n      id: 'svgcontent',\n      overflow: curConfig.show_outside_canvas ? 'visible' : 'hidden'\n    };\n\n    let percs = false;\n\n    // determine proper size\n    if (content.attr('viewBox')) {\n      const vb = content.attr('viewBox').split(' ');\n      attrs.width = vb[2];\n      attrs.height = vb[3];\n    // handle content that doesn't have a viewBox\n    } else {\n      $.each(['width', 'height'], function (i, dim) {\n        // Set to 100 if not given\n        const val = content.attr(dim) || '100%';\n\n        if (String(val).substr(-1) === '%') {\n          // Use user units if percentage given\n          percs = true;\n        } else {\n          attrs[dim] = convertToNum(dim, val);\n        }\n      });\n    }\n\n    // identify layers\n    draw.identifyLayers();\n\n    // Give ID for any visible layer children missing one\n    content.children().find(visElems).each(function () {\n      if (!this.id) { this.id = getNextId(); }\n    });\n\n    // Percentage width/height, so let's base it on visible elements\n    if (percs) {\n      const bb = getStrokedBBoxDefaultVisible();\n      attrs.width = bb.width + bb.x;\n      attrs.height = bb.height + bb.y;\n    }\n\n    // Just in case negative numbers are given or\n    // result from the percs calculation\n    if (attrs.width <= 0) { attrs.width = 100; }\n    if (attrs.height <= 0) { attrs.height = 100; }\n\n    content.attr(attrs);\n    this.contentW = attrs.width;\n    this.contentH = attrs.height;\n\n    batchCmd.addSubCommand(new InsertElementCommand(svgcontent));\n    // update root to the correct size\n    const changes = content.attr(['width', 'height']);\n    batchCmd.addSubCommand(new ChangeElementCommand(svgroot, changes));\n\n    // reset zoom\n    currentZoom = 1;\n\n    // reset transform lists\n    resetListMap();\n    clearSelection();\n    pathModule.clearData();\n    svgroot.append(selectorManager.selectorParentGroup);\n\n    if (!preventUndo) addCommandToHistory(batchCmd);\n    call('changed', [svgcontent]);\n  } catch (e) {\n    console.log(e);\n    return false;\n  }\n\n  return true;\n};\n\n/**\n* This function imports the input SVG XML as a `<symbol>` in the `<defs>`, then adds a\n* `<use>` to the current layer.\n* @function module:svgcanvas.SvgCanvas#importSvgString\n* @param {string} xmlString - The SVG as XML text.\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {null|Element} This function returns null if the import was unsuccessful, or the element otherwise.\n* @todo\n* - properly handle if namespace is introduced by imported content (must add to svgcontent\n* and update all prefixes in the imported node)\n* - properly handle recalculating dimensions, `recalculateDimensions()` doesn't handle\n* arbitrary transform lists, but makes some assumptions about how the transform list\n* was obtained\n*/\nthis.importSvgString = function (xmlString) {\n  let j, ts, useEl;\n  try {\n    // Get unique ID\n    const uid = encode64(xmlString.length + xmlString).substr(0, 32);\n\n    let useExisting = false;\n    // Look for symbol and make sure symbol exists in image\n    if (importIds[uid]) {\n      if ($(importIds[uid].symbol).parents('#svgroot').length) {\n        useExisting = true;\n      }\n    }\n\n    const batchCmd = new BatchCommand('Import Image');\n    let symbol;\n    if (useExisting) {\n      ({symbol} = importIds[uid]);\n      ts = importIds[uid].xform;\n    } else {\n      // convert string into XML document\n      const newDoc = text2xml(xmlString);\n\n      this.prepareSvg(newDoc);\n\n      // import new svg document into our document\n      let svg;\n      // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()\n      if (svgdoc.adoptNode) {\n        svg = svgdoc.adoptNode(newDoc.documentElement);\n      } else {\n        svg = svgdoc.importNode(newDoc.documentElement, true);\n      }\n\n      uniquifyElems(svg);\n\n      const innerw = convertToNum('width', svg.getAttribute('width')),\n        innerh = convertToNum('height', svg.getAttribute('height')),\n        innervb = svg.getAttribute('viewBox'),\n        // if no explicit viewbox, create one out of the width and height\n        vb = innervb ? innervb.split(' ') : [0, 0, innerw, innerh];\n      for (j = 0; j < 4; ++j) {\n        vb[j] = +(vb[j]);\n      }\n\n      // TODO: properly handle preserveAspectRatio\n      const // canvasw = +svgcontent.getAttribute('width'),\n        canvash = +svgcontent.getAttribute('height');\n      // imported content should be 1/3 of the canvas on its largest dimension\n\n      if (innerh > innerw) {\n        ts = 'scale(' + (canvash / 3) / vb[3] + ')';\n      } else {\n        ts = 'scale(' + (canvash / 3) / vb[2] + ')';\n      }\n\n      // Hack to make recalculateDimensions understand how to scale\n      ts = 'translate(0) ' + ts + ' translate(0)';\n\n      symbol = svgdoc.createElementNS(NS.SVG, 'symbol');\n      const defs = findDefs();\n\n      if (isGecko()) {\n        // Move all gradients into root for Firefox, workaround for this bug:\n        // https://bugzilla.mozilla.org/show_bug.cgi?id=353575\n        // TODO: Make this properly undo-able.\n        $(svg).find('linearGradient, radialGradient, pattern').appendTo(defs);\n      }\n\n      while (svg.firstChild) {\n        const first = svg.firstChild;\n        symbol.append(first);\n      }\n      const attrs = svg.attributes;\n      for (let i = 0; i < attrs.length; i++) {\n        const attr = attrs[i];\n        symbol.setAttribute(attr.nodeName, attr.value);\n      }\n      symbol.id = getNextId();\n\n      // Store data\n      importIds[uid] = {\n        symbol,\n        xform: ts\n      };\n\n      findDefs().append(symbol);\n      batchCmd.addSubCommand(new InsertElementCommand(symbol));\n    }\n\n    useEl = svgdoc.createElementNS(NS.SVG, 'use');\n    useEl.id = getNextId();\n    setHref(useEl, '#' + symbol.id);\n\n    (currentGroup || getCurrentDrawing().getCurrentLayer()).append(useEl);\n    batchCmd.addSubCommand(new InsertElementCommand(useEl));\n    clearSelection();\n\n    useEl.setAttribute('transform', ts);\n    recalculateDimensions(useEl);\n    $(useEl).data('symbol', symbol).data('ref', symbol);\n    addToSelection([useEl]);\n\n    // TODO: Find way to add this in a recalculateDimensions-parsable way\n    // if (vb[0] !== 0 || vb[1] !== 0) {\n    //   ts = 'translate(' + (-vb[0]) + ',' + (-vb[1]) + ') ' + ts;\n    // }\n    addCommandToHistory(batchCmd);\n    call('changed', [svgcontent]);\n  } catch (e) {\n    console.log(e);\n    return null;\n  }\n\n  // we want to return the element so we can automatically select it\n  return useEl;\n};\n\n// Could deprecate, but besides external uses, their usage makes clear that\n//  canvas is a dependency for all of these\n[\n  'identifyLayers', 'createLayer', 'cloneLayer', 'deleteCurrentLayer',\n  'setCurrentLayer', 'renameCurrentLayer', 'setCurrentLayerPosition',\n  'setLayerVisibility', 'moveSelectedToLayer', 'mergeLayer', 'mergeAllLayers',\n  'leaveContext', 'setContext'\n].forEach((prop) => {\n  canvas[prop] = draw[prop];\n});\ndraw.init(\n  /**\n  * @implements {module:draw.DrawCanvasInit}\n  */\n  {\n    pathActions,\n    getCurrentGroup () {\n      return currentGroup;\n    },\n    setCurrentGroup (cg) {\n      currentGroup = cg;\n    },\n    getSelectedElements,\n    getSVGContent,\n    undoMgr,\n    elData,\n    getCurrentDrawing,\n    clearSelection,\n    call,\n    addCommandToHistory,\n    /**\n     * @fires module:svgcanvas.SvgCanvas#event:changed\n     * @returns {undefined}\n     */\n    changeSVGContent () {\n      call('changed', [svgcontent]);\n    }\n  }\n);\n\n/**\n* Group: Document functions\n*/\n\n/**\n* Clears the current document. This is not an undoable action.\n* @function module:svgcanvas.SvgCanvas#clear\n* @fires module:svgcanvas.SvgCanvas#event:cleared\n* @returns {undefined}\n*/\nthis.clear = function () {\n  pathActions.clear();\n\n  clearSelection();\n\n  // clear the svgcontent node\n  canvas.clearSvgContentElement();\n\n  // create new document\n  canvas.current_drawing_ = new draw.Drawing(svgcontent);\n\n  // create empty first layer\n  canvas.createLayer('Layer 1');\n\n  // clear the undo stack\n  canvas.undoMgr.resetUndoStack();\n\n  // reset the selector manager\n  selectorManager.initGroup();\n\n  // reset the rubber band box\n  rubberBox = selectorManager.getRubberBandBox();\n\n  call('cleared');\n};\n\n// Alias function\nthis.linkControlPoints = pathActions.linkControlPoints;\n\n/**\n* @function module:svgcanvas.SvgCanvas#getContentElem\n* @returns {Element} The content DOM element\n*/\nthis.getContentElem = function () { return svgcontent; };\n\n/**\n* @function module:svgcanvas.SvgCanvas#getRootElem\n* @returns {SVGSVGElement} The root DOM element\n*/\nthis.getRootElem = function () { return svgroot; };\n\n/**\n* @typedef {PlainObject} DimensionsAndZoom\n* @property {Float} w Width\n* @property {Float} h Height\n* @property {Float} zoom Zoom\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getResolution\n* @returns {DimensionsAndZoom} The current dimensions and zoom level in an object\n*/\nconst getResolution = this.getResolution = function () {\n//    const vb = svgcontent.getAttribute('viewBox').split(' ');\n//    return {w:vb[2], h:vb[3], zoom: currentZoom};\n\n  const w = svgcontent.getAttribute('width') / currentZoom;\n  const h = svgcontent.getAttribute('height') / currentZoom;\n\n  return {\n    w,\n    h,\n    zoom: currentZoom\n  };\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getSnapToGrid\n* @returns {boolean} The current snap to grid setting\n*/\nthis.getSnapToGrid = function () { return curConfig.gridSnapping; };\n\n/**\n* @function module:svgcanvas.SvgCanvas#getVersion\n* @returns {string} A string which describes the revision number of SvgCanvas.\n*/\nthis.getVersion = function () {\n  return 'svgcanvas.js ($Rev$)';\n};\n\n/**\n* Update interface strings with given values\n* @function module:svgcanvas.SvgCanvas#setUiStrings\n* @param {module:path.uiStrings} strs - Object with strings (see the [locales API]{@link module:locale.LocaleStrings} and the [tutorial]{@tutorial LocaleDocs})\n* @returns {undefined}\n*/\nthis.setUiStrings = function (strs) {\n  Object.assign(uiStrings, strs.notification);\n  pathModule.setUiStrings(strs);\n};\n\n/**\n* Update configuration options with given values\n* @function module:svgcanvas.SvgCanvas#setConfig\n* @param {module:SVGEditor.Config} opts - Object with options\n* @returns {undefined}\n*/\nthis.setConfig = function (opts) {\n  Object.assign(curConfig, opts);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getTitle\n* @param {Element} elem\n* @returns {string|undefined} the current group/SVG's title contents\n*/\nthis.getTitle = function (elem) {\n  elem = elem || selectedElements[0];\n  if (!elem) { return; }\n  elem = $(elem).data('gsvg') || $(elem).data('symbol') || elem;\n  const childs = elem.childNodes;\n  for (let i = 0; i < childs.length; i++) {\n    if (childs[i].nodeName === 'title') {\n      return childs[i].textContent;\n    }\n  }\n  return '';\n};\n\n/**\n* Sets the group/SVG's title content\n* @function module:svgcanvas.SvgCanvas#setGroupTitle\n* @param {string} val\n* @todo Combine this with `setDocumentTitle`\n* @returns {undefined}\n*/\nthis.setGroupTitle = function (val) {\n  let elem = selectedElements[0];\n  elem = $(elem).data('gsvg') || elem;\n\n  const ts = $(elem).children('title');\n\n  const batchCmd = new BatchCommand('Set Label');\n\n  let title;\n  if (!val.length) {\n    // Remove title element\n    const tsNextSibling = ts.nextSibling;\n    batchCmd.addSubCommand(new RemoveElementCommand(ts[0], tsNextSibling, elem));\n    ts.remove();\n  } else if (ts.length) {\n    // Change title contents\n    title = ts[0];\n    batchCmd.addSubCommand(new ChangeElementCommand(title, {'#text': title.textContent}));\n    title.textContent = val;\n  } else {\n    // Add title element\n    title = svgdoc.createElementNS(NS.SVG, 'title');\n    title.textContent = val;\n    $(elem).prepend(title);\n    batchCmd.addSubCommand(new InsertElementCommand(title));\n  }\n\n  addCommandToHistory(batchCmd);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getDocumentTitle\n* @returns {string|undefined} The current document title or an empty string if not found\n*/\nconst getDocumentTitle = this.getDocumentTitle = function () {\n  return canvas.getTitle(svgcontent);\n};\n\n/**\n* Adds/updates a title element for the document with the given name.\n* This is an undoable action\n* @function module:svgcanvas.SvgCanvas#setDocumentTitle\n* @param {string} newTitle - String with the new title\n* @returns {undefined}\n*/\nthis.setDocumentTitle = function (newTitle) {\n  const childs = svgcontent.childNodes;\n  let docTitle = false, oldTitle = '';\n\n  const batchCmd = new BatchCommand('Change Image Title');\n\n  for (let i = 0; i < childs.length; i++) {\n    if (childs[i].nodeName === 'title') {\n      docTitle = childs[i];\n      oldTitle = docTitle.textContent;\n      break;\n    }\n  }\n  if (!docTitle) {\n    docTitle = svgdoc.createElementNS(NS.SVG, 'title');\n    svgcontent.insertBefore(docTitle, svgcontent.firstChild);\n    // svgcontent.firstChild.before(docTitle); // Ok to replace above with this?\n  }\n\n  if (newTitle.length) {\n    docTitle.textContent = newTitle;\n  } else {\n    // No title given, so element is not necessary\n    docTitle.remove();\n  }\n  batchCmd.addSubCommand(new ChangeElementCommand(docTitle, {'#text': oldTitle}));\n  addCommandToHistory(batchCmd);\n};\n\n/**\n* Returns the editor's namespace URL, optionally adding it to the root element\n* @function module:svgcanvas.SvgCanvas#getEditorNS\n* @param {boolean} [add] - Indicates whether or not to add the namespace value\n* @returns {string} The editor's namespace URL\n*/\nthis.getEditorNS = function (add) {\n  if (add) {\n    svgcontent.setAttribute('xmlns:se', NS.SE);\n  }\n  return NS.SE;\n};\n\n/**\n* Changes the document's dimensions to the given size\n* @function module:svgcanvas.SvgCanvas#setResolution\n* @param {Float|\"fit\"} x - Number with the width of the new dimensions in user units.\n* Can also be the string \"fit\" to indicate \"fit to content\"\n* @param {Float} y - Number with the height of the new dimensions in user units.\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {boolean} Indicates if resolution change was successful.\n* It will fail on \"fit to content\" option with no content to fit to.\n*/\nthis.setResolution = function (x, y) {\n  const res = getResolution();\n  const {w, h} = res;\n  let batchCmd;\n\n  if (x === 'fit') {\n    // Get bounding box\n    const bbox = getStrokedBBoxDefaultVisible();\n\n    if (bbox) {\n      batchCmd = new BatchCommand('Fit Canvas to Content');\n      const visEls = getVisibleElements();\n      addToSelection(visEls);\n      const dx = [], dy = [];\n      $.each(visEls, function (i, item) {\n        dx.push(bbox.x * -1);\n        dy.push(bbox.y * -1);\n      });\n\n      const cmd = canvas.moveSelectedElements(dx, dy, true);\n      batchCmd.addSubCommand(cmd);\n      clearSelection();\n\n      x = Math.round(bbox.width);\n      y = Math.round(bbox.height);\n    } else {\n      return false;\n    }\n  }\n  if (x !== w || y !== h) {\n    if (!batchCmd) {\n      batchCmd = new BatchCommand('Change Image Dimensions');\n    }\n\n    x = convertToNum('width', x);\n    y = convertToNum('height', y);\n\n    svgcontent.setAttribute('width', x);\n    svgcontent.setAttribute('height', y);\n\n    this.contentW = x;\n    this.contentH = y;\n    batchCmd.addSubCommand(new ChangeElementCommand(svgcontent, {width: w, height: h}));\n\n    svgcontent.setAttribute('viewBox', [0, 0, x / currentZoom, y / currentZoom].join(' '));\n    batchCmd.addSubCommand(new ChangeElementCommand(svgcontent, {viewBox: ['0 0', w, h].join(' ')}));\n\n    addCommandToHistory(batchCmd);\n    call('changed', [svgcontent]);\n  }\n  return true;\n};\n\n/**\n* @typedef {module:jQueryAttr.Attributes} module:svgcanvas.ElementPositionInCanvas\n* @property {Float} x\n* @property {Float} y\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getOffset\n* @returns {module:svgcanvas.ElementPositionInCanvas} An object with `x`, `y` values indicating the svgcontent element's\n* position in the editor's canvas.\n*/\nthis.getOffset = function () {\n  return $(svgcontent).attr(['x', 'y']);\n};\n\n/**\n * @typedef {PlainObject} module:svgcanvas.ZoomAndBBox\n * @property {Float} zoom\n * @property {module:utilities.BBoxObject} bbox\n */\n/**\n* Sets the zoom level on the canvas-side based on the given value\n* @function module:svgcanvas.SvgCanvas#setBBoxZoom\n* @param {\"selection\"|\"canvas\"|\"content\"|\"layer\"|module:SVGEditor.BBoxObjectWithFactor} val - Bounding box object to zoom to or string indicating zoom option. Note: the object value type is defined in `svg-editor.js`\n* @param {Integer} editorW - The editor's workarea box's width\n* @param {Integer} editorH - The editor's workarea box's height\n* @returns {module:svgcanvas.ZoomAndBBox|undefined}\n*/\nthis.setBBoxZoom = function (val, editorW, editorH) {\n  let spacer = 0.85;\n  let bb;\n  const calcZoom = function (bb) {\n    if (!bb) { return false; }\n    const wZoom = Math.round((editorW / bb.width) * 100 * spacer) / 100;\n    const hZoom = Math.round((editorH / bb.height) * 100 * spacer) / 100;\n    const zoom = Math.min(wZoom, hZoom);\n    canvas.setZoom(zoom);\n    return {zoom, bbox: bb};\n  };\n\n  if (typeof val === 'object') {\n    bb = val;\n    if (bb.width === 0 || bb.height === 0) {\n      const newzoom = bb.zoom ? bb.zoom : currentZoom * bb.factor;\n      canvas.setZoom(newzoom);\n      return {zoom: currentZoom, bbox: bb};\n    }\n    return calcZoom(bb);\n  }\n\n  switch (val) {\n  case 'selection':\n    if (!selectedElements[0]) { return; }\n    const selectedElems = $.map(selectedElements, function (n) { if (n) { return n; } });\n    bb = getStrokedBBoxDefaultVisible(selectedElems);\n    break;\n  case 'canvas':\n    const res = getResolution();\n    spacer = 0.95;\n    bb = {width: res.w, height: res.h, x: 0, y: 0};\n    break;\n  case 'content':\n    bb = getStrokedBBoxDefaultVisible();\n    break;\n  case 'layer':\n    bb = getStrokedBBoxDefaultVisible(getVisibleElements(getCurrentDrawing().getCurrentLayer()));\n    break;\n  default:\n    return;\n  }\n  return calcZoom(bb);\n};\n\n/**\n* The zoom level has changed. Supplies the new zoom level as a number (not percentage).\n* @event module:svgcanvas.SvgCanvas#event:ext-zoomChanged\n* @type {Float}\n*/\n/**\n* The bottom panel was updated\n* @event module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate\n* @type {PlainObject}\n* @property {boolean} nofill Indicates fill is disabled\n* @property {boolean} nostroke Indicates stroke is disabled\n*/\n/**\n* The element selection has changed (elements were added/removed from selection)\n* @event module:svgcanvas.SvgCanvas#event:ext-selectedChanged\n* @type {PlainObject}\n* @property {Element[]} elems Array of the newly selected elements\n* @property {Element|null} selectedElement The single selected element\n* @property {boolean} multiselected Indicates whether one or more elements were selected\n*/\n/**\n* Called when part of element is in process of changing, generally on\n* mousemove actions like rotate, move, etc.\n* @event module:svgcanvas.SvgCanvas#event:ext-elementTransition\n* @type {PlainObject}\n* @property {Element[]} elems Array of transitioning elements\n*/\n/**\n* One or more elements were changed\n* @event module:svgcanvas.SvgCanvas#event:ext-elementChanged\n* @type {PlainObject}\n* @property {Element[]} elems Array of the affected elements\n*/\n/**\n* Invoked as soon as the locale is ready\n* @event module:svgcanvas.SvgCanvas#event:ext-langReady\n* @type {PlainObject}\n* @property {string} lang The two-letter language code\n* @property {module:SVGEditor.uiStrings} uiStrings\n* @property {module:SVGEditor~ImportLocale} importLocale\n*/\n/**\n* The language was changed. Two-letter code of the new language.\n* @event module:svgcanvas.SvgCanvas#event:ext-langChanged\n* @type {string}\n*/\n/**\n* Means for an extension to add locale data. The two-letter language code.\n* @event module:svgcanvas.SvgCanvas#event:ext-addLangData\n* @type {PlainObject}\n* @property {string} lang\n* @property {module:SVGEditor~ImportLocale} importLocale\n*/\n/**\n * Called when new image is created\n * @event module:svgcanvas.SvgCanvas#event:ext-onNewDocument\n * @type {undefined}\n */\n/**\n * Called when sidepanel is resized or toggled\n * @event module:svgcanvas.SvgCanvas#event:ext-workareaResized\n * @type {undefined}\n*/\n/**\n * Called upon addition of the extension, or, if svgicons are set,\n * after the icons are ready when extension SVG icons have loaded.\n * @event module:svgcanvas.SvgCanvas#event:ext-callback\n * @type {undefined}\n*/\n\n/**\n* Sets the zoom to the given level\n* @function module:svgcanvas.SvgCanvas#setZoom\n* @param {Float} zoomLevel - Float indicating the zoom level to change to\n* @fires module:svgcanvas.SvgCanvas#event:ext-zoomChanged\n* @returns {undefined}\n*/\nthis.setZoom = function (zoomLevel) {\n  const res = getResolution();\n  svgcontent.setAttribute('viewBox', '0 0 ' + res.w / zoomLevel + ' ' + res.h / zoomLevel);\n  currentZoom = zoomLevel;\n  $.each(selectedElements, function (i, elem) {\n    if (!elem) { return; }\n    selectorManager.requestSelector(elem).resize();\n  });\n  pathActions.zoomChange();\n  runExtensions('zoomChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} */ zoomLevel);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getMode\n* @returns {string} The current editor mode string\n*/\nthis.getMode = function () {\n  return currentMode;\n};\n\n/**\n* Sets the editor's mode to the given string\n* @function module:svgcanvas.SvgCanvas#setMode\n* @param {string} name - String with the new mode to change to\n* @returns {undefined}\n*/\nthis.setMode = function (name) {\n  pathActions.clear(true);\n  textActions.clear();\n  curProperties = (selectedElements[0] && selectedElements[0].nodeName === 'text') ? curText : curShape;\n  currentMode = name;\n};\n\n/**\n* Group: Element Styling\n*/\n\n/**\n* @typedef {PlainObject} module:svgcanvas.PaintOptions\n* @property {\"solidColor\"} type\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getColor\n* @param {string} type\n* @returns {string|module:svgcanvas.PaintOptions|Float|module:jGraduate~Paint} The current fill/stroke option\n*/\nthis.getColor = function (type) {\n  return curProperties[type];\n};\n\n/**\n* Change the current stroke/fill color/gradient value\n* @function module:svgcanvas.SvgCanvas#setColor\n* @param {string} type - String indicating fill or stroke\n* @param {string} val - The value to set the stroke attribute to\n* @param {boolean} preventUndo - Boolean indicating whether or not this should be an undoable option\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setColor = function (type, val, preventUndo) {\n  curShape[type] = val;\n  curProperties[type + '_paint'] = {type: 'solidColor'};\n  const elems = [];\n  function addNonG (e) {\n    if (e.nodeName !== 'g') {\n      elems.push(e);\n    }\n  }\n  let i = selectedElements.length;\n  while (i--) {\n    const elem = selectedElements[i];\n    if (elem) {\n      if (elem.tagName === 'g') {\n        walkTree(elem, addNonG);\n      } else {\n        if (type === 'fill') {\n          if (elem.tagName !== 'polyline' && elem.tagName !== 'line') {\n            elems.push(elem);\n          }\n        } else {\n          elems.push(elem);\n        }\n      }\n    }\n  }\n  if (elems.length > 0) {\n    if (!preventUndo) {\n      changeSelectedAttribute(type, val, elems);\n      call('changed', elems);\n    } else {\n      changeSelectedAttributeNoUndo(type, val, elems);\n    }\n  }\n};\n\n/**\n* Apply the current gradient to selected element's fill or stroke\n* @function module:svgcanvas.SvgCanvas#setGradient\n* @param {\"fill\"|\"stroke\"} type - String indicating \"fill\" or \"stroke\" to apply to an element\n* @returns {undefined}\n*/\nconst setGradient = this.setGradient = function (type) {\n  if (!curProperties[type + '_paint'] || curProperties[type + '_paint'].type === 'solidColor') { return; }\n  let grad = canvas[type + 'Grad'];\n  // find out if there is a duplicate gradient already in the defs\n  const duplicateGrad = findDuplicateGradient(grad);\n  const defs = findDefs();\n  // no duplicate found, so import gradient into defs\n  if (!duplicateGrad) {\n    // const origGrad = grad;\n    grad = defs.appendChild(svgdoc.importNode(grad, true));\n    // get next id and set it on the grad\n    grad.id = getNextId();\n  } else { // use existing gradient\n    grad = duplicateGrad;\n  }\n  canvas.setColor(type, 'url(#' + grad.id + ')');\n};\n\n/**\n* Check if exact gradient already exists\n* @function module:svgcanvas~findDuplicateGradient\n* @param {SVGGradientElement} grad - The gradient DOM element to compare to others\n* @returns {SVGGradientElement} The existing gradient if found, `null` if not\n*/\nconst findDuplicateGradient = function (grad) {\n  const defs = findDefs();\n  const existingGrads = $(defs).find('linearGradient, radialGradient');\n  let i = existingGrads.length;\n  const radAttrs = ['r', 'cx', 'cy', 'fx', 'fy'];\n  while (i--) {\n    const og = existingGrads[i];\n    if (grad.tagName === 'linearGradient') {\n      if (grad.getAttribute('x1') !== og.getAttribute('x1') ||\n        grad.getAttribute('y1') !== og.getAttribute('y1') ||\n        grad.getAttribute('x2') !== og.getAttribute('x2') ||\n        grad.getAttribute('y2') !== og.getAttribute('y2')\n      ) {\n        continue;\n      }\n    } else {\n      const gradAttrs = $(grad).attr(radAttrs);\n      const ogAttrs = $(og).attr(radAttrs);\n\n      let diff = false;\n      $.each(radAttrs, function (i, attr) {\n        if (gradAttrs[attr] !== ogAttrs[attr]) { diff = true; }\n      });\n\n      if (diff) { continue; }\n    }\n\n    // else could be a duplicate, iterate through stops\n    const stops = grad.getElementsByTagNameNS(NS.SVG, 'stop');\n    const ostops = og.getElementsByTagNameNS(NS.SVG, 'stop');\n\n    if (stops.length !== ostops.length) {\n      continue;\n    }\n\n    let j = stops.length;\n    while (j--) {\n      const stop = stops[j];\n      const ostop = ostops[j];\n\n      if (stop.getAttribute('offset') !== ostop.getAttribute('offset') ||\n        stop.getAttribute('stop-opacity') !== ostop.getAttribute('stop-opacity') ||\n        stop.getAttribute('stop-color') !== ostop.getAttribute('stop-color')) {\n        break;\n      }\n    }\n\n    if (j === -1) {\n      return og;\n    }\n  } // for each gradient in defs\n\n  return null;\n};\n\n/**\n* Set a color/gradient to a fill/stroke\n* @function module:svgcanvas.SvgCanvas#setPaint\n* @param {\"fill\"|\"stroke\"} type - String with \"fill\" or \"stroke\"\n* @param {module:jGraduate.jGraduatePaintOptions} paint - The jGraduate paint object to apply\n* @returns {undefined}\n*/\nthis.setPaint = function (type, paint) {\n  // make a copy\n  const p = new $.jGraduate.Paint(paint);\n  this.setPaintOpacity(type, p.alpha / 100, true);\n\n  // now set the current paint object\n  curProperties[type + '_paint'] = p;\n  switch (p.type) {\n  case 'solidColor':\n    this.setColor(type, p.solidColor !== 'none' ? '#' + p.solidColor : 'none');\n    break;\n  case 'linearGradient':\n  case 'radialGradient':\n    canvas[type + 'Grad'] = p[p.type];\n    setGradient(type);\n    break;\n  }\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#setStrokePaint\n* @param {module:jGraduate~Paint} paint\n* @returns {undefined}\n*/\nthis.setStrokePaint = function (paint) {\n  this.setPaint('stroke', paint);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#setFillPaint\n* @param {module:jGraduate~Paint} paint\n* @returns {undefined}\n*/\nthis.setFillPaint = function (paint) {\n  this.setPaint('fill', paint);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getStrokeWidth\n* @returns {Float|string} The current stroke-width value\n*/\nthis.getStrokeWidth = function () {\n  return curProperties.stroke_width;\n};\n\n/**\n* Sets the stroke width for the current selected elements.\n* When attempting to set a line's width to 0, this changes it to 1 instead\n* @function module:svgcanvas.SvgCanvas#setStrokeWidth\n* @param {Float} val - A Float indicating the new stroke width value\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setStrokeWidth = function (val) {\n  if (val === 0 && ['line', 'path'].includes(currentMode)) {\n    canvas.setStrokeWidth(1);\n    return;\n  }\n  curProperties.stroke_width = val;\n\n  const elems = [];\n  function addNonG (e) {\n    if (e.nodeName !== 'g') {\n      elems.push(e);\n    }\n  }\n  let i = selectedElements.length;\n  while (i--) {\n    const elem = selectedElements[i];\n    if (elem) {\n      if (elem.tagName === 'g') {\n        walkTree(elem, addNonG);\n      } else {\n        elems.push(elem);\n      }\n    }\n  }\n  if (elems.length > 0) {\n    changeSelectedAttribute('stroke-width', val, elems);\n    call('changed', selectedElements);\n  }\n};\n\n/**\n* Set the given stroke-related attribute the given value for selected elements\n* @function module:svgcanvas.SvgCanvas#setStrokeAttr\n* @param {string} attr - String with the attribute name\n* @param {string|Float} val - String or number with the attribute value\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setStrokeAttr = function (attr, val) {\n  curShape[attr.replace('-', '_')] = val;\n  const elems = [];\n\n  let i = selectedElements.length;\n  while (i--) {\n    const elem = selectedElements[i];\n    if (elem) {\n      if (elem.tagName === 'g') {\n        walkTree(elem, function (e) { if (e.nodeName !== 'g') { elems.push(e); } });\n      } else {\n        elems.push(elem);\n      }\n    }\n  }\n  if (elems.length > 0) {\n    changeSelectedAttribute(attr, val, elems);\n    call('changed', selectedElements);\n  }\n};\n\n/**\n* @typedef {PlainObject} module:svgcanvas.StyleOptions\n* @property {string} fill\n* @property {Float} fill_opacity\n* @property {string} stroke\n* @property {Float} stroke_width\n* @property {string} stroke_dasharray\n* @property {string} stroke_linejoin\n* @property {string} stroke_linecap\n* @property {Float} stroke_opacity\n* @property {Float} opacity\n*/\n\n/**\n* @function module:svgcanvas.SvgCanvas#getStyle\n* @returns {module:svgcanvas.StyleOptions} current style options\n*/\nthis.getStyle = function () {\n  return curShape;\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getOpacity\n* @returns {Float} the current opacity\n*/\nthis.getOpacity = getOpacity;\n\n/**\n* Sets the given opacity to the current selected elements\n* @function module:svgcanvas.SvgCanvas#setOpacity\n* @param {string} val\n* @returns {undefined}\n*/\nthis.setOpacity = function (val) {\n  curShape.opacity = val;\n  changeSelectedAttribute('opacity', val);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getFillOpacity\n* @returns {Float} the current fill opacity\n*/\nthis.getFillOpacity = function () {\n  return curShape.fill_opacity;\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getStrokeOpacity\n* @returns {string} the current stroke opacity\n*/\nthis.getStrokeOpacity = function () {\n  return curShape.stroke_opacity;\n};\n\n/**\n* Sets the current fill/stroke opacity\n* @function module:svgcanvas.SvgCanvas#setPaintOpacity\n* @param {string} type - String with \"fill\" or \"stroke\"\n* @param {Float} val - Float with the new opacity value\n* @param {boolean} preventUndo - Indicates whether or not this should be an undoable action\n* @returns {undefined}\n*/\nthis.setPaintOpacity = function (type, val, preventUndo) {\n  curShape[type + '_opacity'] = val;\n  if (!preventUndo) {\n    changeSelectedAttribute(type + '-opacity', val);\n  } else {\n    changeSelectedAttributeNoUndo(type + '-opacity', val);\n  }\n};\n\n/**\n* Gets the current fill/stroke opacity\n* @function module:svgcanvas.SvgCanvas#getPaintOpacity\n* @param {\"fill\"|\"stroke\"} type - String with \"fill\" or \"stroke\"\n* @returns {Float} Fill/stroke opacity\n*/\nthis.getPaintOpacity = function (type) {\n  return type === 'fill' ? this.getFillOpacity() : this.getStrokeOpacity();\n};\n\n/**\n* Gets the `stdDeviation` blur value of the given element\n* @function module:svgcanvas.SvgCanvas#getBlur\n* @param {Element} elem - The element to check the blur value for\n* @returns {string} stdDeviation blur attribute value\n*/\nthis.getBlur = function (elem) {\n  let val = 0;\n  // const elem = selectedElements[0];\n\n  if (elem) {\n    const filterUrl = elem.getAttribute('filter');\n    if (filterUrl) {\n      const blur = getElem(elem.id + '_blur');\n      if (blur) {\n        val = blur.firstChild.getAttribute('stdDeviation');\n      }\n    }\n  }\n  return val;\n};\n\n(function () {\nlet curCommand = null;\nlet filter = null;\nlet filterHidden = false;\n\n/**\n* Sets the `stdDeviation` blur value on the selected element without being undoable\n* @function module:svgcanvas.SvgCanvas#setBlurNoUndo\n* @param {Float} val - The new `stdDeviation` value\n* @returns {undefined}\n*/\ncanvas.setBlurNoUndo = function (val) {\n  if (!filter) {\n    canvas.setBlur(val);\n    return;\n  }\n  if (val === 0) {\n    // Don't change the StdDev, as that will hide the element.\n    // Instead, just remove the value for \"filter\"\n    changeSelectedAttributeNoUndo('filter', '');\n    filterHidden = true;\n  } else {\n    const elem = selectedElements[0];\n    if (filterHidden) {\n      changeSelectedAttributeNoUndo('filter', 'url(#' + elem.id + '_blur)');\n    }\n    if (isWebkit()) {\n      console.log('e', elem);\n      elem.removeAttribute('filter');\n      elem.setAttribute('filter', 'url(#' + elem.id + '_blur)');\n    }\n    changeSelectedAttributeNoUndo('stdDeviation', val, [filter.firstChild]);\n    canvas.setBlurOffsets(filter, val);\n  }\n};\n\nfunction finishChange () {\n  const bCmd = canvas.undoMgr.finishUndoableChange();\n  curCommand.addSubCommand(bCmd);\n  addCommandToHistory(curCommand);\n  curCommand = null;\n  filter = null;\n}\n\n/**\n* Sets the `x`, `y`, `width`, `height` values of the filter element in order to\n* make the blur not be clipped. Removes them if not neeeded\n* @function module:svgcanvas.SvgCanvas#setBlurOffsets\n* @param {Element} filter - The filter DOM element to update\n* @param {Float} stdDev - The standard deviation value on which to base the offset size\n* @returns {undefined}\n*/\ncanvas.setBlurOffsets = function (filter, stdDev) {\n  if (stdDev > 3) {\n    // TODO: Create algorithm here where size is based on expected blur\n    assignAttributes(filter, {\n      x: '-50%',\n      y: '-50%',\n      width: '200%',\n      height: '200%'\n    }, 100);\n  } else {\n    // Removing these attributes hides text in Chrome (see Issue 579)\n    if (!isWebkit()) {\n      filter.removeAttribute('x');\n      filter.removeAttribute('y');\n      filter.removeAttribute('width');\n      filter.removeAttribute('height');\n    }\n  }\n};\n\n/**\n* Adds/updates the blur filter to the selected element\n* @function module:svgcanvas.SvgCanvas#setBlur\n* @param {Float} val - Float with the new `stdDeviation` blur value\n* @param {boolean} complete - Whether or not the action should be completed (to add to the undo manager)\n* @returns {undefined}\n*/\ncanvas.setBlur = function (val, complete) {\n  if (curCommand) {\n    finishChange();\n    return;\n  }\n\n  // Looks for associated blur, creates one if not found\n  const elem = selectedElements[0];\n  const elemId = elem.id;\n  filter = getElem(elemId + '_blur');\n\n  val -= 0;\n\n  const batchCmd = new BatchCommand();\n\n  // Blur found!\n  if (filter) {\n    if (val === 0) {\n      filter = null;\n    }\n  } else {\n    // Not found, so create\n    const newblur = addSVGElementFromJson({element: 'feGaussianBlur',\n      attr: {\n        in: 'SourceGraphic',\n        stdDeviation: val\n      }\n    });\n\n    filter = addSVGElementFromJson({element: 'filter',\n      attr: {\n        id: elemId + '_blur'\n      }\n    });\n\n    filter.append(newblur);\n    findDefs().append(filter);\n\n    batchCmd.addSubCommand(new InsertElementCommand(filter));\n  }\n\n  const changes = {filter: elem.getAttribute('filter')};\n\n  if (val === 0) {\n    elem.removeAttribute('filter');\n    batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));\n    return;\n  }\n\n  changeSelectedAttribute('filter', 'url(#' + elemId + '_blur)');\n  batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));\n  canvas.setBlurOffsets(filter, val);\n\n  curCommand = batchCmd;\n  canvas.undoMgr.beginUndoableChange('stdDeviation', [filter ? filter.firstChild : null]);\n  if (complete) {\n    canvas.setBlurNoUndo(val);\n    finishChange();\n  }\n};\n}());\n\n/**\n* Check whether selected element is bold or not\n* @function module:svgcanvas.SvgCanvas#getBold\n* @returns {boolean} Indicates whether or not element is bold\n*/\nthis.getBold = function () {\n  // should only have one element selected\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'text' &&\n    selectedElements[1] == null) {\n    return (selected.getAttribute('font-weight') === 'bold');\n  }\n  return false;\n};\n\n/**\n* Make the selected element bold or normal\n* @function module:svgcanvas.SvgCanvas#setBold\n* @param {boolean} b - Indicates bold (`true`) or normal (`false`)\n* @returns {undefined}\n*/\nthis.setBold = function (b) {\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'text' &&\n    selectedElements[1] == null) {\n    changeSelectedAttribute('font-weight', b ? 'bold' : 'normal');\n  }\n  if (!selectedElements[0].textContent) {\n    textActions.setCursor();\n  }\n};\n\n/**\n* Check whether selected element is italic or not\n* @function module:svgcanvas.SvgCanvas#getItalic\n* @returns {boolean} Indicates whether or not element is italic\n*/\nthis.getItalic = function () {\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'text' &&\n    selectedElements[1] == null) {\n    return (selected.getAttribute('font-style') === 'italic');\n  }\n  return false;\n};\n\n/**\n* Make the selected element italic or normal\n* @function module:svgcanvas.SvgCanvas#setItalic\n* @param {boolean} b - Indicates italic (`true`) or normal (`false`)\n* @returns {undefined}\n*/\nthis.setItalic = function (i) {\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'text' &&\n    selectedElements[1] == null) {\n    changeSelectedAttribute('font-style', i ? 'italic' : 'normal');\n  }\n  if (!selectedElements[0].textContent) {\n    textActions.setCursor();\n  }\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getFontFamily\n* @returns {string} The current font family\n*/\nthis.getFontFamily = function () {\n  return curText.font_family;\n};\n\n/**\n* Set the new font family\n* @function module:svgcanvas.SvgCanvas#setFontFamily\n* @param {string} val - String with the new font family\n* @returns {undefined}\n*/\nthis.setFontFamily = function (val) {\n  curText.font_family = val;\n  changeSelectedAttribute('font-family', val);\n  if (selectedElements[0] && !selectedElements[0].textContent) {\n    textActions.setCursor();\n  }\n};\n\n/**\n* Set the new font color\n* @function module:svgcanvas.SvgCanvas#setFontColor\n* @param {string} val - String with the new font color\n* @returns {undefined}\n*/\nthis.setFontColor = function (val) {\n  curText.fill = val;\n  changeSelectedAttribute('fill', val);\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getFontColor\n* @returns {string} The current font color\n*/\nthis.getFontColor = function () {\n  return curText.fill;\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getFontSize\n* @returns {Float} The current font size\n*/\nthis.getFontSize = function () {\n  return curText.font_size;\n};\n\n/**\n* Applies the given font size to the selected element\n* @function module:svgcanvas.SvgCanvas#setFontSize\n* @param {Float} val - Float with the new font size\n* @returns {undefined}\n*/\nthis.setFontSize = function (val) {\n  curText.font_size = val;\n  changeSelectedAttribute('font-size', val);\n  if (!selectedElements[0].textContent) {\n    textActions.setCursor();\n  }\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#getText\n* @returns {string} The current text (`textContent`) of the selected element\n*/\nthis.getText = function () {\n  const selected = selectedElements[0];\n  if (selected == null) { return ''; }\n  return selected.textContent;\n};\n\n/**\n* Updates the text element with the given string\n* @function module:svgcanvas.SvgCanvas#setTextContent\n* @param {string} val - String with the new text\n* @returns {undefined}\n*/\nthis.setTextContent = function (val) {\n  changeSelectedAttribute('#text', val);\n  textActions.init(val);\n  textActions.setCursor();\n};\n\n/**\n* Sets the new image URL for the selected image element. Updates its size if\n* a new URL is given\n* @function module:svgcanvas.SvgCanvas#setImageURL\n* @param {string} val - String with the image URL/path\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setImageURL = function (val) {\n  const elem = selectedElements[0];\n  if (!elem) { return; }\n\n  const attrs = $(elem).attr(['width', 'height']);\n  const setsize = (!attrs.width || !attrs.height);\n\n  const curHref = getHref(elem);\n\n  // Do nothing if no URL change or size change\n  if (curHref === val && !setsize) {\n    return;\n  }\n\n  const batchCmd = new BatchCommand('Change Image URL');\n\n  setHref(elem, val);\n  batchCmd.addSubCommand(new ChangeElementCommand(elem, {\n    '#href': curHref\n  }));\n\n  $(new Image()).load(function () {\n    const changes = $(elem).attr(['width', 'height']);\n\n    $(elem).attr({\n      width: this.width,\n      height: this.height\n    });\n\n    selectorManager.requestSelector(elem).resize();\n\n    batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));\n    addCommandToHistory(batchCmd);\n    call('changed', [elem]);\n  }).attr('src', val);\n};\n\n/**\n* Sets the new link URL for the selected anchor element.\n* @function module:svgcanvas.SvgCanvas#setLinkURL\n* @param {string} val - String with the link URL/path\n* @returns {undefined}\n*/\nthis.setLinkURL = function (val) {\n  let elem = selectedElements[0];\n  if (!elem) { return; }\n  if (elem.tagName !== 'a') {\n    // See if parent is an anchor\n    const parentsA = $(elem).parents('a');\n    if (parentsA.length) {\n      elem = parentsA[0];\n    } else {\n      return;\n    }\n  }\n\n  const curHref = getHref(elem);\n\n  if (curHref === val) { return; }\n\n  const batchCmd = new BatchCommand('Change Link URL');\n\n  setHref(elem, val);\n  batchCmd.addSubCommand(new ChangeElementCommand(elem, {\n    '#href': curHref\n  }));\n\n  addCommandToHistory(batchCmd);\n};\n\n/**\n* Sets the `rx` and `ry` values to the selected `rect` element to change its corner radius\n* @function module:svgcanvas.SvgCanvas#setRectRadius\n* @param {string|Float} val - The new radius\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.setRectRadius = function (val) {\n  const selected = selectedElements[0];\n  if (selected != null && selected.tagName === 'rect') {\n    const r = selected.getAttribute('rx');\n    if (r !== String(val)) {\n      selected.setAttribute('rx', val);\n      selected.setAttribute('ry', val);\n      addCommandToHistory(new ChangeElementCommand(selected, {rx: r, ry: r}, 'Radius'));\n      call('changed', [selected]);\n    }\n  }\n};\n\n/**\n* Wraps the selected element(s) in an anchor element or converts group to one\n* @function module:svgcanvas.SvgCanvas#makeHyperlink\n* @param {string} url\n* @returns {undefined}\n*/\nthis.makeHyperlink = function (url) {\n  canvas.groupSelectedElements('a', url);\n\n  // TODO: If element is a single \"g\", convert to \"a\"\n  //  if (selectedElements.length > 1 && selectedElements[1]) {\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#removeHyperlink\n* @returns {undefined}\n*/\nthis.removeHyperlink = function () {\n  canvas.ungroupSelectedElement();\n};\n\n/**\n* Group: Element manipulation\n*/\n\n/**\n* Sets the new segment type to the selected segment(s).\n* @function module:svgcanvas.SvgCanvas#setSegType\n* @param {Integer} newType - New segment type. See {@link https://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSeg} for list\n* @returns {undefined}\n*/\nthis.setSegType = function (newType) {\n  pathActions.setSegType(newType);\n};\n\n/**\n* Convert selected element to a path, or get the BBox of an element-as-path\n* @function module:svgcanvas.SvgCanvas#convertToPath\n* @todo (codedread): Remove the getBBox argument and split this function into two.\n* @param {Element} elem - The DOM element to be converted\n* @param {boolean} getBBox - Boolean on whether or not to only return the path's BBox\n* @returns {undefined|DOMRect|false|SVGPathElement|null} If the getBBox flag is true, the resulting path's bounding box object.\n* Otherwise the resulting path element is returned.\n*/\nthis.convertToPath = function (elem, getBBox) {\n  if (elem == null) {\n    const elems = selectedElements;\n    $.each(elems, function (i, elem) {\n      if (elem) { canvas.convertToPath(elem); }\n    });\n    return;\n  }\n  if (getBBox) {\n    return getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions);\n  }\n  // TODO: Why is this applying attributes from curShape, then inside utilities.convertToPath it's pulling addition attributes from elem?\n  // TODO: If convertToPath is called with one elem, curShape and elem are probably the same; but calling with multiple is a bug or cool feature.\n  const attrs = {\n    fill: curShape.fill,\n    'fill-opacity': curShape.fill_opacity,\n    stroke: curShape.stroke,\n    'stroke-width': curShape.stroke_width,\n    'stroke-dasharray': curShape.stroke_dasharray,\n    'stroke-linejoin': curShape.stroke_linejoin,\n    'stroke-linecap': curShape.stroke_linecap,\n    'stroke-opacity': curShape.stroke_opacity,\n    opacity: curShape.opacity,\n    visibility: 'hidden'\n  };\n  return convertToPath(elem, attrs, addSVGElementFromJson, pathActions, clearSelection, addToSelection, history, addCommandToHistory);\n};\n\n/**\n* This function makes the changes to the elements. It does not add the change\n* to the history stack.\n* @param {string} attr - Attribute name\n* @param {string|Float} newValue - String or number with the new attribute value\n* @param {Element[]} elems - The DOM elements to apply the change to\n* @returns {undefined}\n*/\nconst changeSelectedAttributeNoUndo = function (attr, newValue, elems) {\n  if (currentMode === 'pathedit') {\n    // Editing node\n    pathActions.moveNode(attr, newValue);\n  }\n  elems = elems || selectedElements;\n  let i = elems.length;\n  const noXYElems = ['g', 'polyline', 'path'];\n  const goodGAttrs = ['transform', 'opacity', 'filter'];\n\n  while (i--) {\n    let elem = elems[i];\n    if (elem == null) { continue; }\n\n    // Set x,y vals on elements that don't have them\n    if ((attr === 'x' || attr === 'y') && noXYElems.includes(elem.tagName)) {\n      const bbox = getStrokedBBoxDefaultVisible([elem]);\n      const diffX = attr === 'x' ? newValue - bbox.x : 0;\n      const diffY = attr === 'y' ? newValue - bbox.y : 0;\n      canvas.moveSelectedElements(diffX * currentZoom, diffY * currentZoom, true);\n      continue;\n    }\n\n    // only allow the transform/opacity/filter attribute to change on <g> elements, slightly hacky\n    // TODO: FIXME: This doesn't seem right. Where's the body of this if statement?\n    if (elem.tagName === 'g' && goodGAttrs.includes(attr)) {}\n    let oldval = attr === '#text' ? elem.textContent : elem.getAttribute(attr);\n    if (oldval == null) { oldval = ''; }\n    if (oldval !== String(newValue)) {\n      if (attr === '#text') {\n        // const oldW = utilsGetBBox(elem).width;\n        elem.textContent = newValue;\n\n        // FF bug occurs on on rotated elements\n        if ((/rotate/).test(elem.getAttribute('transform'))) {\n          elem = ffClone(elem);\n        }\n        // Hoped to solve the issue of moving text with text-anchor=\"start\",\n        // but this doesn't actually fix it. Hopefully on the right track, though. -Fyrd\n        // const box = getBBox(elem), left = box.x, top = box.y, {width, height} = box,\n        //   dx = width - oldW, dy = 0;\n        // const angle = getRotationAngle(elem, true);\n        // if (angle) {\n        //   const r = Math.sqrt(dx * dx + dy * dy);\n        //   const theta = Math.atan2(dy, dx) - angle;\n        //   dx = r * Math.cos(theta);\n        //   dy = r * Math.sin(theta);\n        //\n        //   elem.setAttribute('x', elem.getAttribute('x') - dx);\n        //   elem.setAttribute('y', elem.getAttribute('y') - dy);\n        // }\n      } else if (attr === '#href') {\n        setHref(elem, newValue);\n      } else { elem.setAttribute(attr, newValue); }\n\n      // Go into \"select\" mode for text changes\n      // NOTE: Important that this happens AFTER elem.setAttribute() or else attributes like\n      // font-size can get reset to their old value, ultimately by svgEditor.updateContextPanel(),\n      // after calling textActions.toSelectMode() below\n      if (currentMode === 'textedit' && attr !== '#text' && elem.textContent.length) {\n        textActions.toSelectMode(elem);\n      }\n\n      // if (i === 0) {\n      //   selectedBBoxes[0] = utilsGetBBox(elem);\n      // }\n\n      // Use the Firefox ffClone hack for text elements with gradients or\n      // where other text attributes are changed.\n      if (isGecko() && elem.nodeName === 'text' && (/rotate/).test(elem.getAttribute('transform'))) {\n        if (String(newValue).startsWith('url') || (['font-size', 'font-family', 'x', 'y'].includes(attr) && elem.textContent)) {\n          elem = ffClone(elem);\n        }\n      }\n      // Timeout needed for Opera & Firefox\n      // codedread: it is now possible for this function to be called with elements\n      // that are not in the selectedElements array, we need to only request a\n      // selector if the element is in that array\n      if (selectedElements.includes(elem)) {\n        setTimeout(function () {\n          // Due to element replacement, this element may no longer\n          // be part of the DOM\n          if (!elem.parentNode) { return; }\n          selectorManager.requestSelector(elem).resize();\n        }, 0);\n      }\n      // if this element was rotated, and we changed the position of this element\n      // we need to update the rotational transform attribute\n      const angle = getRotationAngle(elem);\n      if (angle !== 0 && attr !== 'transform') {\n        const tlist = getTransformList(elem);\n        let n = tlist.numberOfItems;\n        while (n--) {\n          const xform = tlist.getItem(n);\n          if (xform.type === 4) {\n            // remove old rotate\n            tlist.removeItem(n);\n\n            const box = utilsGetBBox(elem);\n            const center = transformPoint(box.x + box.width / 2, box.y + box.height / 2, transformListToTransform(tlist).matrix);\n            const cx = center.x,\n              cy = center.y;\n            const newrot = svgroot.createSVGTransform();\n            newrot.setRotate(angle, cx, cy);\n            tlist.insertItemBefore(newrot, n);\n            break;\n          }\n        }\n      }\n    } // if oldValue != newValue\n  } // for each elem\n};\n\n/**\n* Change the given/selected element and add the original value to the history stack.\n* If you want to change all `selectedElements`, ignore the `elems` argument.\n* If you want to change only a subset of `selectedElements`, then send the\n* subset to this function in the `elems` argument.\n* @function module:svgcanvas.SvgCanvas#changeSelectedAttribute\n* @param {string} attr - String with the attribute name\n* @param {string|Float} newValue - String or number with the new attribute value\n* @param {Element[]} elems - The DOM elements to apply the change to\n* @returns {undefined}\n*/\nconst changeSelectedAttribute = this.changeSelectedAttribute = function (attr, val, elems) {\n  elems = elems || selectedElements;\n  canvas.undoMgr.beginUndoableChange(attr, elems);\n  // const i = elems.length;\n\n  changeSelectedAttributeNoUndo(attr, val, elems);\n\n  const batchCmd = canvas.undoMgr.finishUndoableChange();\n  if (!batchCmd.isEmpty()) {\n    addCommandToHistory(batchCmd);\n  }\n};\n\n/**\n* Removes all selected elements from the DOM and adds the change to the\n* history stack\n* @function module:svgcanvas.SvgCanvas#deleteSelectedElements\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.deleteSelectedElements = function () {\n  const batchCmd = new BatchCommand('Delete Elements');\n  const len = selectedElements.length;\n  const selectedCopy = []; // selectedElements is being deleted\n\n  for (let i = 0; i < len; ++i) {\n    const selected = selectedElements[i];\n    if (selected == null) { break; }\n\n    let parent = selected.parentNode;\n    let t = selected;\n\n    // this will unselect the element and remove the selectedOutline\n    selectorManager.releaseSelector(t);\n\n    // Remove the path if present.\n    pathModule.removePath_(t.id);\n\n    // Get the parent if it's a single-child anchor\n    if (parent.tagName === 'a' && parent.childNodes.length === 1) {\n      t = parent;\n      parent = parent.parentNode;\n    }\n\n    const {nextSibling} = t;\n    const elem = parent.removeChild(t);\n    selectedCopy.push(selected); // for the copy\n    batchCmd.addSubCommand(new RemoveElementCommand(elem, nextSibling, parent));\n  }\n  selectedElements = [];\n\n  if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); }\n  call('changed', selectedCopy);\n  clearSelection();\n};\n\n/**\n* Removes all selected elements from the DOM and adds the change to the\n* history stack. Remembers removed elements on the clipboard\n* @function module:svgcanvas.SvgCanvas#cutSelectedElements\n* @returns {undefined}\n*/\nthis.cutSelectedElements = function () {\n  canvas.copySelectedElements();\n  canvas.deleteSelectedElements();\n};\n\n/**\n* Remembers the current selected elements on the clipboard\n* @function module:svgcanvas.SvgCanvas#copySelectedElements\n* @returns {undefined}\n*/\nthis.copySelectedElements = function () {\n  localStorage.setItem('svgedit_clipboard', JSON.stringify(\n    selectedElements.map(function (x) { return getJsonFromSvgElement(x); })\n  ));\n\n  $('#cmenu_canvas').enableContextMenuItems('#paste,#paste_in_place');\n};\n\n/**\n* @function module:svgcanvas.SvgCanvas#pasteElements\n* @param {\"in_place\"|\"point\"|undefined} type\n* @param {Integer|undefined} x Expected if type is \"point\"\n* @param {Integer|undefined} y Expected if type is \"point\"\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @fires module:svgcanvas.SvgCanvas#event:ext-IDsUpdated\n* @returns {undefined}\n*/\nthis.pasteElements = function (type, x, y) {\n  let clipb = JSON.parse(localStorage.getItem('svgedit_clipboard'));\n  let len = clipb.length;\n  if (!len) { return; }\n\n  const pasted = [];\n  const batchCmd = new BatchCommand('Paste elements');\n  // const drawing = getCurrentDrawing();\n  /**\n  * @typedef {PlainObject.<string, string>} module:svgcanvas.ChangedIDs\n  */\n  /**\n   * @type {module:svgcanvas.ChangedIDs}\n   */\n  const changedIDs = {};\n\n  // Recursively replace IDs and record the changes\n  function checkIDs (elem) {\n    if (elem.attr && elem.attr.id) {\n      changedIDs[elem.attr.id] = getNextId();\n      elem.attr.id = changedIDs[elem.attr.id];\n    }\n    if (elem.children) elem.children.forEach(checkIDs);\n  }\n  clipb.forEach(checkIDs);\n\n  // Give extensions like the connector extension a chance to reflect new IDs and remove invalid elements\n  /**\n  * Triggered when `pasteElements` is called from a paste action (context menu or key)\n  * @event module:svgcanvas.SvgCanvas#event:ext-IDsUpdated\n  * @type {PlainObject}\n  * @property {module:svgcanvas.SVGAsJSON[]} elems\n  * @property {module:svgcanvas.ChangedIDs} changes Maps past ID (on attribute) to current ID\n  */\n  runExtensions(\n    'IDsUpdated',\n    /** @type {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} */\n    {elems: clipb, changes: changedIDs},\n    true\n  ).forEach(function (extChanges) {\n    if (!extChanges || !('remove' in extChanges)) return;\n\n    extChanges.remove.forEach(function (removeID) {\n      clipb = clipb.filter(function (clipBoardItem) {\n        return clipBoardItem.attr.id !== removeID;\n      });\n    });\n  });\n\n  // Move elements to lastClickPoint\n  while (len--) {\n    const elem = clipb[len];\n    if (!elem) { continue; }\n\n    const copy = addSVGElementFromJson(elem);\n    pasted.push(copy);\n    batchCmd.addSubCommand(new InsertElementCommand(copy));\n\n    restoreRefElems(copy);\n  }\n\n  selectOnly(pasted);\n\n  if (type !== 'in_place') {\n    let ctrX, ctrY;\n\n    if (!type) {\n      ctrX = lastClickPoint.x;\n      ctrY = lastClickPoint.y;\n    } else if (type === 'point') {\n      ctrX = x;\n      ctrY = y;\n    }\n\n    const bbox = getStrokedBBoxDefaultVisible(pasted);\n    const cx = ctrX - (bbox.x + bbox.width / 2),\n      cy = ctrY - (bbox.y + bbox.height / 2),\n      dx = [],\n      dy = [];\n\n    $.each(pasted, function (i, item) {\n      dx.push(cx);\n      dy.push(cy);\n    });\n\n    const cmd = canvas.moveSelectedElements(dx, dy, false);\n    if (cmd) batchCmd.addSubCommand(cmd);\n  }\n\n  addCommandToHistory(batchCmd);\n  call('changed', pasted);\n};\n\n/**\n* Wraps all the selected elements in a group (`g`) element\n* @function module:svgcanvas.SvgCanvas#groupSelectedElements\n* @param {\"a\"|\"g\"} [type=\"g\"] - type of element to group into, defaults to `<g>`\n* @param {string} [urlArg]\n* @returns {undefined}\n*/\nthis.groupSelectedElements = function (type, urlArg) {\n  if (!type) { type = 'g'; }\n  let cmdStr = '';\n  let url;\n\n  switch (type) {\n  case 'a': {\n    cmdStr = 'Make hyperlink';\n    url = urlArg || '';\n    break;\n  } default: {\n    type = 'g';\n    cmdStr = 'Group Elements';\n    break;\n  }\n  }\n\n  const batchCmd = new BatchCommand(cmdStr);\n\n  // create and insert the group element\n  const g = addSVGElementFromJson({\n    element: type,\n    attr: {\n      id: getNextId()\n    }\n  });\n  if (type === 'a') {\n    setHref(g, url);\n  }\n  batchCmd.addSubCommand(new InsertElementCommand(g));\n\n  // now move all children into the group\n  let i = selectedElements.length;\n  while (i--) {\n    let elem = selectedElements[i];\n    if (elem == null) { continue; }\n\n    if (elem.parentNode.tagName === 'a' && elem.parentNode.childNodes.length === 1) {\n      elem = elem.parentNode;\n    }\n\n    const oldNextSibling = elem.nextSibling;\n    const oldParent = elem.parentNode;\n    g.append(elem);\n    batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldParent));\n  }\n  if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); }\n\n  // update selection\n  selectOnly([g], true);\n};\n\n/**\n* Pushes all appropriate parent group properties down to its children, then\n* removes them from the group\n* @function module:svgcanvas.SvgCanvas#pushGroupProperties\n* @param {SVGAElement|SVGGElement} g\n* @param {boolean} undoable\n* @returns {undefined}\n*/\nconst pushGroupProperties = this.pushGroupProperties = function (g, undoable) {\n  const children = g.childNodes;\n  const len = children.length;\n  const xform = g.getAttribute('transform');\n\n  const glist = getTransformList(g);\n  const m = transformListToTransform(glist).matrix;\n\n  const batchCmd = new BatchCommand('Push group properties');\n\n  // TODO: get all fill/stroke properties from the group that we are about to destroy\n  // \"fill\", \"fill-opacity\", \"fill-rule\", \"stroke\", \"stroke-dasharray\", \"stroke-dashoffset\",\n  // \"stroke-linecap\", \"stroke-linejoin\", \"stroke-miterlimit\", \"stroke-opacity\",\n  // \"stroke-width\"\n  // and then for each child, if they do not have the attribute (or the value is 'inherit')\n  // then set the child's attribute\n\n  const gangle = getRotationAngle(g);\n\n  const gattrs = $(g).attr(['filter', 'opacity']);\n  let gfilter, gblur, changes;\n  const drawing = getCurrentDrawing();\n\n  for (let i = 0; i < len; i++) {\n    const elem = children[i];\n\n    if (elem.nodeType !== 1) { continue; }\n\n    if (gattrs.opacity !== null && gattrs.opacity !== 1) {\n      // const c_opac = elem.getAttribute('opacity') || 1;\n      const newOpac = Math.round((elem.getAttribute('opacity') || 1) * gattrs.opacity * 100) / 100;\n      changeSelectedAttribute('opacity', newOpac, [elem]);\n    }\n\n    if (gattrs.filter) {\n      let cblur = this.getBlur(elem);\n      const origCblur = cblur;\n      if (!gblur) { gblur = this.getBlur(g); }\n      if (cblur) {\n        // Is this formula correct?\n        cblur = Number(gblur) + Number(cblur);\n      } else if (cblur === 0) {\n        cblur = gblur;\n      }\n\n      // If child has no current filter, get group's filter or clone it.\n      if (!origCblur) {\n        // Set group's filter to use first child's ID\n        if (!gfilter) {\n          gfilter = getRefElem(gattrs.filter);\n        } else {\n          // Clone the group's filter\n          gfilter = drawing.copyElem(gfilter);\n          findDefs().append(gfilter);\n        }\n      } else {\n        gfilter = getRefElem(elem.getAttribute('filter'));\n      }\n\n      // Change this in future for different filters\n      const suffix = (gfilter.firstChild.tagName === 'feGaussianBlur') ? 'blur' : 'filter';\n      gfilter.id = elem.id + '_' + suffix;\n      changeSelectedAttribute('filter', 'url(#' + gfilter.id + ')', [elem]);\n\n      // Update blur value\n      if (cblur) {\n        changeSelectedAttribute('stdDeviation', cblur, [gfilter.firstChild]);\n        canvas.setBlurOffsets(gfilter, cblur);\n      }\n    }\n\n    let chtlist = getTransformList(elem);\n\n    // Don't process gradient transforms\n    if (elem.tagName.includes('Gradient')) { chtlist = null; }\n\n    // Hopefully not a problem to add this. Necessary for elements like <desc/>\n    if (!chtlist) { continue; }\n\n    // Apparently <defs> can get get a transformlist, but we don't want it to have one!\n    if (elem.tagName === 'defs') { continue; }\n\n    if (glist.numberOfItems) {\n      // TODO: if the group's transform is just a rotate, we can always transfer the\n      // rotate() down to the children (collapsing consecutive rotates and factoring\n      // out any translates)\n      if (gangle && glist.numberOfItems === 1) {\n        // [Rg] [Rc] [Mc]\n        // we want [Tr] [Rc2] [Mc] where:\n        //  - [Rc2] is at the child's current center but has the\n        // sum of the group and child's rotation angles\n        //  - [Tr] is the equivalent translation that this child\n        // undergoes if the group wasn't there\n\n        // [Tr] = [Rg] [Rc] [Rc2_inv]\n\n        // get group's rotation matrix (Rg)\n        const rgm = glist.getItem(0).matrix;\n\n        // get child's rotation matrix (Rc)\n        let rcm = svgroot.createSVGMatrix();\n        const cangle = getRotationAngle(elem);\n        if (cangle) {\n          rcm = chtlist.getItem(0).matrix;\n        }\n\n        // get child's old center of rotation\n        const cbox = utilsGetBBox(elem);\n        const ceqm = transformListToTransform(chtlist).matrix;\n        const coldc = transformPoint(cbox.x + cbox.width / 2, cbox.y + cbox.height / 2, ceqm);\n\n        // sum group and child's angles\n        const sangle = gangle + cangle;\n\n        // get child's rotation at the old center (Rc2_inv)\n        const r2 = svgroot.createSVGTransform();\n        r2.setRotate(sangle, coldc.x, coldc.y);\n\n        // calculate equivalent translate\n        const trm = matrixMultiply(rgm, rcm, r2.matrix.inverse());\n\n        // set up tlist\n        if (cangle) {\n          chtlist.removeItem(0);\n        }\n\n        if (sangle) {\n          if (chtlist.numberOfItems) {\n            chtlist.insertItemBefore(r2, 0);\n          } else {\n            chtlist.appendItem(r2);\n          }\n        }\n\n        if (trm.e || trm.f) {\n          const tr = svgroot.createSVGTransform();\n          tr.setTranslate(trm.e, trm.f);\n          if (chtlist.numberOfItems) {\n            chtlist.insertItemBefore(tr, 0);\n          } else {\n            chtlist.appendItem(tr);\n          }\n        }\n      } else { // more complicated than just a rotate\n        // transfer the group's transform down to each child and then\n        // call recalculateDimensions()\n        const oldxform = elem.getAttribute('transform');\n        changes = {};\n        changes.transform = oldxform || '';\n\n        const newxform = svgroot.createSVGTransform();\n\n        // [ gm ] [ chm ] = [ chm ] [ gm' ]\n        // [ gm' ] = [ chmInv ] [ gm ] [ chm ]\n        const chm = transformListToTransform(chtlist).matrix,\n          chmInv = chm.inverse();\n        const gm = matrixMultiply(chmInv, m, chm);\n        newxform.setMatrix(gm);\n        chtlist.appendItem(newxform);\n      }\n      const cmd = recalculateDimensions(elem);\n      if (cmd) { batchCmd.addSubCommand(cmd); }\n    }\n  }\n\n  // remove transform and make it undo-able\n  if (xform) {\n    changes = {};\n    changes.transform = xform;\n    g.setAttribute('transform', '');\n    g.removeAttribute('transform');\n    batchCmd.addSubCommand(new ChangeElementCommand(g, changes));\n  }\n\n  if (undoable && !batchCmd.isEmpty()) {\n    return batchCmd;\n  }\n};\n\n/**\n* Unwraps all the elements in a selected group (`g`) element. This requires\n* significant recalculations to apply group's transforms, etc. to its children\n* @function module:svgcanvas.SvgCanvas#ungroupSelectedElement\n* @returns {undefined}\n*/\nthis.ungroupSelectedElement = function () {\n  let g = selectedElements[0];\n  if (!g) {\n    return;\n  }\n  if ($(g).data('gsvg') || $(g).data('symbol')) {\n    // Is svg, so actually convert to group\n    convertToGroup(g);\n    return;\n  }\n  if (g.tagName === 'use') {\n    // Somehow doesn't have data set, so retrieve\n    const symbol = getElem(getHref(g).substr(1));\n    $(g).data('symbol', symbol).data('ref', symbol);\n    convertToGroup(g);\n    return;\n  }\n  const parentsA = $(g).parents('a');\n  if (parentsA.length) {\n    g = parentsA[0];\n  }\n\n  // Look for parent \"a\"\n  if (g.tagName === 'g' || g.tagName === 'a') {\n    const batchCmd = new BatchCommand('Ungroup Elements');\n    const cmd = pushGroupProperties(g, true);\n    if (cmd) { batchCmd.addSubCommand(cmd); }\n\n    const parent = g.parentNode;\n    const anchor = g.nextSibling;\n    const children = new Array(g.childNodes.length);\n\n    let i = 0;\n    while (g.firstChild) {\n      let elem = g.firstChild;\n      const oldNextSibling = elem.nextSibling;\n      const oldParent = elem.parentNode;\n\n      // Remove child title elements\n      if (elem.tagName === 'title') {\n        const {nextSibling} = elem;\n        batchCmd.addSubCommand(new RemoveElementCommand(elem, nextSibling, oldParent));\n        elem.remove();\n        continue;\n      }\n\n      children[i++] = elem = parent.insertBefore(elem, anchor);\n      batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldParent));\n    }\n\n    // remove the group from the selection\n    clearSelection();\n\n    // delete the group element (but make undo-able)\n    const gNextSibling = g.nextSibling;\n    g = parent.removeChild(g);\n    batchCmd.addSubCommand(new RemoveElementCommand(g, gNextSibling, parent));\n\n    if (!batchCmd.isEmpty()) { addCommandToHistory(batchCmd); }\n\n    // update selection\n    addToSelection(children);\n  }\n};\n\n/**\n* Repositions the selected element to the bottom in the DOM to appear on top of\n* other elements\n* @function module:svgcanvas.SvgCanvas#moveToTopSelectedElement\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.moveToTopSelectedElement = function () {\n  const [selected] = selectedElements;\n  if (selected != null) {\n    let t = selected;\n    const oldParent = t.parentNode;\n    const oldNextSibling = t.nextSibling;\n    t = t.parentNode.appendChild(t);\n    // If the element actually moved position, add the command and fire the changed\n    // event handler.\n    if (oldNextSibling !== t.nextSibling) {\n      addCommandToHistory(new MoveElementCommand(t, oldNextSibling, oldParent, 'top'));\n      call('changed', [t]);\n    }\n  }\n};\n\n/**\n* Repositions the selected element to the top in the DOM to appear under\n* other elements\n* @function module:svgcanvas.SvgCanvas#moveToBottomSelectedElement\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.moveToBottomSelectedElement = function () {\n  const [selected] = selectedElements;\n  if (selected != null) {\n    let t = selected;\n    const oldParent = t.parentNode;\n    const oldNextSibling = t.nextSibling;\n    let {firstChild} = t.parentNode;\n    if (firstChild.tagName === 'title') {\n      firstChild = firstChild.nextSibling;\n    }\n    // This can probably be removed, as the defs should not ever apppear\n    // inside a layer group\n    if (firstChild.tagName === 'defs') {\n      firstChild = firstChild.nextSibling;\n    }\n    t = t.parentNode.insertBefore(t, firstChild);\n    // If the element actually moved position, add the command and fire the changed\n    // event handler.\n    if (oldNextSibling !== t.nextSibling) {\n      addCommandToHistory(new MoveElementCommand(t, oldNextSibling, oldParent, 'bottom'));\n      call('changed', [t]);\n    }\n  }\n};\n\n/**\n* Moves the select element up or down the stack, based on the visibly\n* intersecting elements\n* @function module:svgcanvas.SvgCanvas#moveUpDownSelected\n* @param {\"Up\"|\"Down\"} dir - String that's either 'Up' or 'Down'\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {undefined}\n*/\nthis.moveUpDownSelected = function (dir) {\n  const selected = selectedElements[0];\n  if (!selected) { return; }\n\n  curBBoxes = [];\n  let closest, foundCur;\n  // jQuery sorts this list\n  const list = $(getIntersectionList(getStrokedBBoxDefaultVisible([selected]))).toArray();\n  if (dir === 'Down') { list.reverse(); }\n\n  $.each(list, function () {\n    if (!foundCur) {\n      if (this === selected) {\n        foundCur = true;\n      }\n      return;\n    }\n    closest = this;\n    return false;\n  });\n  if (!closest) { return; }\n\n  const t = selected;\n  const oldParent = t.parentNode;\n  const oldNextSibling = t.nextSibling;\n  $(closest)[dir === 'Down' ? 'before' : 'after'](t);\n  // If the element actually moved position, add the command and fire the changed\n  // event handler.\n  if (oldNextSibling !== t.nextSibling) {\n    addCommandToHistory(new MoveElementCommand(t, oldNextSibling, oldParent, 'Move ' + dir));\n    call('changed', [t]);\n  }\n};\n\n/**\n* Moves selected elements on the X/Y axis\n* @function module:svgcanvas.SvgCanvas#moveSelectedElements\n* @param {Float} dx - Float with the distance to move on the x-axis\n* @param {Float} dy - Float with the distance to move on the y-axis\n* @param {boolean} undoable - Boolean indicating whether or not the action should be undoable\n* @fires module:svgcanvas.SvgCanvas#event:changed\n* @returns {BatchCommand} Batch command for the move\n*/\nthis.moveSelectedElements = function (dx, dy, undoable) {\n  // if undoable is not sent, default to true\n  // if single values, scale them to the zoom\n  if (dx.constructor !== Array) {\n    dx /= currentZoom;\n    dy /= currentZoom;\n  }\n  undoable = undoable || true;\n  const batchCmd = new BatchCommand('position');\n  let i = selectedElements.length;\n  while (i--) {\n    const selected = selectedElements[i];\n    if (selected != null) {\n      // if (i === 0) {\n      //   selectedBBoxes[0] = utilsGetBBox(selected);\n      // }\n      // const b = {};\n      // for (const j in selectedBBoxes[i]) b[j] = selectedBBoxes[i][j];\n      // selectedBBoxes[i] = b;\n\n      const xform = svgroot.createSVGTransform();\n      const tlist = getTransformList(selected);\n\n      // dx and dy could be arrays\n      if (dx.constructor === Array) {\n        // if (i === 0) {\n        //   selectedBBoxes[0].x += dx[0];\n        //   selectedBBoxes[0].y += dy[0];\n        // }\n        xform.setTranslate(dx[i], dy[i]);\n      } else {\n        // if (i === 0) {\n        //   selectedBBoxes[0].x += dx;\n        //   selectedBBoxes[0].y += dy;\n        // }\n        xform.setTranslate(dx, dy);\n      }\n\n      if (tlist.numberOfItems) {\n        tlist.insertItemBefore(xform, 0);\n      } else {\n        tlist.appendItem(xform);\n      }\n\n      const cmd = recalculateDimensions(selected);\n      if (cmd) {\n        batchCmd.addSubCommand(cmd);\n      }\n\n      selectorManager.requestSelector(selected).resize();\n    }\n  }\n  if (!batchCmd.isEmpty()) {\n    if (undoable) {\n      addCommandToHistory(batchCmd);\n    }\n    call('changed', selectedElements);\n    return batchCmd;\n  }\n};\n\n/**\n* Create deep DOM copies (clones) of all selected elements and move them slightly\n* from their originals\n* @function module:svgcanvas.SvgCanvas#cloneSelectedElements\n* @param {Float} x Float with the distance to move on the x-axis\n* @param {Float} y Float with the distance to move on the y-axis\n* @returns {undefined}\n*/\nthis.cloneSelectedElements = function (x, y) {\n  let i, elem;\n  const batchCmd = new BatchCommand('Clone Elements');\n  // find all the elements selected (stop at first null)\n  const len = selectedElements.length;\n  function sortfunction (a, b) {\n    return ($(b).index() - $(a).index()); // causes an array to be sorted numerically and ascending\n  }\n  selectedElements.sort(sortfunction);\n  for (i = 0; i < len; ++i) {\n    elem = selectedElements[i];\n    if (elem == null) { break; }\n  }\n  // use slice to quickly get the subset of elements we need\n  const copiedElements = selectedElements.slice(0, i);\n  this.clearSelection(true);\n  // note that we loop in the reverse way because of the way elements are added\n  // to the selectedElements array (top-first)\n  const drawing = getCurrentDrawing();\n  i = copiedElements.length;\n  while (i--) {\n    // clone each element and replace it within copiedElements\n    elem = copiedElements[i] = drawing.copyElem(copiedElements[i]);\n    (currentGroup || drawing.getCurrentLayer()).append(elem);\n    batchCmd.addSubCommand(new InsertElementCommand(elem));\n  }\n\n  if (!batchCmd.isEmpty()) {\n    addToSelection(copiedElements.reverse()); // Need to reverse for correct selection-adding\n    this.moveSelectedElements(x, y, false);\n    addCommandToHistory(batchCmd);\n  }\n};\n\n/**\n* Aligns selected elements\n* @function module:svgcanvas.SvgCanvas#alignSelectedElements\n* @param {string} type - String with single character indicating the alignment type\n* @param {\"selected\"|\"largest\"|\"smallest\"|\"page\"} relativeTo\n* @returns {undefined}\n*/\nthis.alignSelectedElements = function (type, relativeTo) {\n  const bboxes = []; // angles = [];\n  const len = selectedElements.length;\n  if (!len) { return; }\n  let minx = Number.MAX_VALUE, maxx = Number.MIN_VALUE,\n    miny = Number.MAX_VALUE, maxy = Number.MIN_VALUE;\n  let curwidth = Number.MIN_VALUE, curheight = Number.MIN_VALUE;\n  for (let i = 0; i < len; ++i) {\n    if (selectedElements[i] == null) { break; }\n    const elem = selectedElements[i];\n    bboxes[i] = getStrokedBBoxDefaultVisible([elem]);\n\n    // now bbox is axis-aligned and handles rotation\n    switch (relativeTo) {\n    case 'smallest':\n      if (((type === 'l' || type === 'c' || type === 'r') &&\n        (curwidth === Number.MIN_VALUE || curwidth > bboxes[i].width)) ||\n        ((type === 't' || type === 'm' || type === 'b') &&\n        (curheight === Number.MIN_VALUE || curheight > bboxes[i].height))\n      ) {\n        minx = bboxes[i].x;\n        miny = bboxes[i].y;\n        maxx = bboxes[i].x + bboxes[i].width;\n        maxy = bboxes[i].y + bboxes[i].height;\n        curwidth = bboxes[i].width;\n        curheight = bboxes[i].height;\n      }\n      break;\n    case 'largest':\n      if (((type === 'l' || type === 'c' || type === 'r') &&\n        (curwidth === Number.MIN_VALUE || curwidth < bboxes[i].width)) ||\n        ((type === 't' || type === 'm' || type === 'b') &&\n        (curheight === Number.MIN_VALUE || curheight < bboxes[i].height))\n      ) {\n        minx = bboxes[i].x;\n        miny = bboxes[i].y;\n        maxx = bboxes[i].x + bboxes[i].width;\n        maxy = bboxes[i].y + bboxes[i].height;\n        curwidth = bboxes[i].width;\n        curheight = bboxes[i].height;\n      }\n      break;\n    default: // 'selected'\n      if (bboxes[i].x < minx) { minx = bboxes[i].x; }\n      if (bboxes[i].y < miny) { miny = bboxes[i].y; }\n      if (bboxes[i].x + bboxes[i].width > maxx) { maxx = bboxes[i].x + bboxes[i].width; }\n      if (bboxes[i].y + bboxes[i].height > maxy) { maxy = bboxes[i].y + bboxes[i].height; }\n      break;\n    }\n  } // loop for each element to find the bbox and adjust min/max\n\n  if (relativeTo === 'page') {\n    minx = 0;\n    miny = 0;\n    maxx = canvas.contentW;\n    maxy = canvas.contentH;\n  }\n\n  const dx = new Array(len);\n  const dy = new Array(len);\n  for (let i = 0; i < len; ++i) {\n    if (selectedElements[i] == null) { break; }\n    // const elem = selectedElements[i];\n    const bbox = bboxes[i];\n    dx[i] = 0;\n    dy[i] = 0;\n    switch (type) {\n    case 'l': // left (horizontal)\n      dx[i] = minx - bbox.x;\n      break;\n    case 'c': // center (horizontal)\n      dx[i] = (minx + maxx) / 2 - (bbox.x + bbox.width / 2);\n      break;\n    case 'r': // right (horizontal)\n      dx[i] = maxx - (bbox.x + bbox.width);\n      break;\n    case 't': // top (vertical)\n      dy[i] = miny - bbox.y;\n      break;\n    case 'm': // middle (vertical)\n      dy[i] = (miny + maxy) / 2 - (bbox.y + bbox.height / 2);\n      break;\n    case 'b': // bottom (vertical)\n      dy[i] = maxy - (bbox.y + bbox.height);\n      break;\n    }\n  }\n  this.moveSelectedElements(dx, dy);\n};\n\n/**\n* Group: Additional editor tools\n*/\n\n/**\n* @name module:svgcanvas.SvgCanvas#contentW\n* @type {Float}\n*/\nthis.contentW = getResolution().w;\n/**\n* @name module:svgcanvas.SvgCanvas#contentH\n* @type {Float}\n*/\nthis.contentH = getResolution().h;\n\n/**\n* @typedef {PlainObject} module:svgcanvas.CanvasInfo\n* @property {Float} x - The canvas' new x coordinate\n* @property {Float} y - The canvas' new y coordinate\n* @property {string} oldX - The canvas' old x coordinate\n* @property {string} oldY - The canvas' old y coordinate\n* @property {Float} d_x - The x position difference\n* @property {Float} d_y - The y position difference\n*/\n\n/**\n* Updates the editor canvas width/height/position after a zoom has occurred\n* @function module:svgcanvas.SvgCanvas#updateCanvas\n* @param {Float} w - Float with the new width\n* @param {Float} h - Float with the new height\n* @fires module:svgcanvas.SvgCanvas#event:ext-canvasUpdated\n* @returns {module:svgcanvas.CanvasInfo}\n*/\nthis.updateCanvas = function (w, h) {\n  svgroot.setAttribute('width', w);\n  svgroot.setAttribute('height', h);\n  const bg = $('#canvasBackground')[0];\n  const oldX = svgcontent.getAttribute('x');\n  const oldY = svgcontent.getAttribute('y');\n  const x = (w / 2 - this.contentW * currentZoom / 2);\n  const y = (h / 2 - this.contentH * currentZoom / 2);\n\n  assignAttributes(svgcontent, {\n    width: this.contentW * currentZoom,\n    height: this.contentH * currentZoom,\n    x,\n    y,\n    viewBox: '0 0 ' + this.contentW + ' ' + this.contentH\n  });\n\n  assignAttributes(bg, {\n    width: svgcontent.getAttribute('width'),\n    height: svgcontent.getAttribute('height'),\n    x,\n    y\n  });\n\n  const bgImg = getElem('background_image');\n  if (bgImg) {\n    assignAttributes(bgImg, {\n      width: '100%',\n      height: '100%'\n    });\n  }\n\n  selectorManager.selectorParentGroup.setAttribute('transform', 'translate(' + x + ',' + y + ')');\n  /**\n  * Invoked upon updates to the canvas.\n  * @event module:svgcanvas.SvgCanvas#event:ext-canvasUpdated\n  * @type {PlainObject}\n  * @property {Integer} new_x\n  * @property {Integer} new_y\n  * @property {string} old_x (Of Integer)\n  * @property {string} old_y (Of Integer)\n  * @property {Integer} d_x\n  * @property {Integer} d_y\n  */\n  runExtensions(\n    'canvasUpdated',\n    /**\n     * @type {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated}\n     */\n    {new_x: x, new_y: y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY}\n  );\n  return {x, y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY};\n};\n\n/**\n* Set the background of the editor (NOT the actual document)\n* @function module:svgcanvas.SvgCanvas#setBackground\n* @param {string} color - String with fill color to apply\n* @param {string} url - URL or path to image to use\n* @returns {undefined}\n*/\nthis.setBackground = function (color, url) {\n  const bg = getElem('canvasBackground');\n  const border = $(bg).find('rect')[0];\n  let bgImg = getElem('background_image');\n  border.setAttribute('fill', color);\n  if (url) {\n    if (!bgImg) {\n      bgImg = svgdoc.createElementNS(NS.SVG, 'image');\n      assignAttributes(bgImg, {\n        id: 'background_image',\n        width: '100%',\n        height: '100%',\n        preserveAspectRatio: 'xMinYMin',\n        style: 'pointer-events:none'\n      });\n    }\n    setHref(bgImg, url);\n    bg.append(bgImg);\n  } else if (bgImg) {\n    bgImg.remove();\n  }\n};\n\n/**\n* Select the next/previous element within the current layer\n* @function module:svgcanvas.SvgCanvas#cycleElement\n* @param {boolean} next - true = next and false = previous element\n* @fires module:svgcanvas.SvgCanvas#event:selected\n* @returns {undefined}\n*/\nthis.cycleElement = function (next) {\n  let num;\n  const curElem = selectedElements[0];\n  let elem = false;\n  const allElems = getVisibleElements(currentGroup || getCurrentDrawing().getCurrentLayer());\n  if (!allElems.length) { return; }\n  if (curElem == null) {\n    num = next ? allElems.length - 1 : 0;\n    elem = allElems[num];\n  } else {\n    let i = allElems.length;\n    while (i--) {\n      if (allElems[i] === curElem) {\n        num = next ? i - 1 : i + 1;\n        if (num >= allElems.length) {\n          num = 0;\n        } else if (num < 0) {\n          num = allElems.length - 1;\n        }\n        elem = allElems[num];\n        break;\n      }\n    }\n  }\n  selectOnly([elem], true);\n  call('selected', selectedElements);\n};\n\nthis.clear();\n\n/**\n* @interface module:svgcanvas.PrivateMethods\n* @type {PlainObject}\n* @property {module:svgcanvas~addCommandToHistory} addCommandToHistory\n* @property {module:history.HistoryCommand} BatchCommand\n* @property {module:history.HistoryCommand} ChangeElementCommand\n* @property {module:utilities.decode64} decode64\n* @property {module:utilities.dropXMLInteralSubset} dropXMLInteralSubset\n* @property {module:utilities.encode64} encode64\n* @property {module:svgcanvas~ffClone} ffClone\n* @property {module:svgcanvas~findDuplicateGradient} findDuplicateGradient\n* @property {module:utilities.getPathBBox} getPathBBox\n* @property {module:units.getTypeMap} getTypeMap\n* @property {module:draw.identifyLayers} identifyLayers\n* @property {module:history.HistoryCommand} InsertElementCommand\n* @property {module:browser.isChrome} isChrome\n* @property {module:math.isIdentity} isIdentity\n* @property {module:browser.isIE} isIE\n* @property {module:svgcanvas~logMatrix} logMatrix\n* @property {module:history.HistoryCommand} MoveElementCommand\n* @property {module:namespaces.NS} NS\n* @property {module:utilities.preventClickDefault} preventClickDefault\n* @property {module:history.HistoryCommand} RemoveElementCommand\n* @property {module:SVGTransformList.SVGEditTransformList} SVGEditTransformList\n* @property {module:utilities.text2xml} text2xml\n* @property {module:math.transformBox} transformBox\n* @property {module:math.transformPoint} transformPoint\n* @property {module:utilities.walkTree} walkTree\n*/\n/**\n* @deprecated getPrivateMethods\n* Since all methods are/should be public somehow, this function should be removed;\n*  we might require `import` in place of this in the future once ES6 Modules\n*  widespread\n\n* Being able to access private methods publicly seems wrong somehow,\n* but currently appears to be the best way to allow testing and provide\n* access to them to plugins.\n* @function module:svgcanvas.SvgCanvas#getPrivateMethods\n* @returns {module:svgcanvas.PrivateMethods}\n*/\nthis.getPrivateMethods = function () {\n  const obj = {\n    addCommandToHistory,\n    BatchCommand,\n    ChangeElementCommand,\n    decode64,\n    dropXMLInteralSubset,\n    encode64,\n    ffClone,\n    findDefs,\n    findDuplicateGradient,\n    getElem,\n    getPathBBox,\n    getTypeMap,\n    getUrlFromAttr,\n    identifyLayers: draw.identifyLayers,\n    InsertElementCommand,\n    isChrome,\n    isIdentity,\n    isIE,\n    logMatrix,\n    MoveElementCommand,\n    NS,\n    preventClickDefault,\n    RemoveElementCommand,\n    SVGEditTransformList,\n    text2xml,\n    transformBox,\n    transformPoint,\n    walkTree\n  };\n  return obj;\n};\n  } // End constructor\n} // End class\n\nexport default SvgCanvas;\n","/**\n * jGraduate 0.4\n *\n * jQuery Plugin for a gradient picker\n *\n * @module jGraduate\n * @copyright 2010 Jeff Schiller {@link http://blog.codedread.com/}, 2010 Alexis Deveria {@link http://a.deveria.com/}\n *\n * @license Apache-2.0\n * @example\n * // The Paint object is described below.\n * $.jGraduate.Paint() // constructs a 'none' color\n * @example $.jGraduate.Paint({copy: o}) // creates a copy of the paint o\n * @example $.jGraduate.Paint({hex: '#rrggbb'}) // creates a solid color paint with hex = \"#rrggbb\"\n * @example $.jGraduate.Paint({linearGradient: o, a: 50}) // creates a linear gradient paint with opacity=0.5\n * @example $.jGraduate.Paint({radialGradient: o, a: 7}) // creates a radial gradient paint with opacity=0.07\n * @example $.jGraduate.Paint({hex: '#rrggbb', linearGradient: o}) // throws an exception?\n *\n*/\n\n/**\n  * The jQuery namespace.\n  * @external jQuery\n*/\n/**\n * The jQuery plugin namespace.\n * @namespace {PlainObject} fn\n * @memberof external:jQuery\n * @see {@link http://learn.jquery.com/plugins/|jQuery Plugins}\n */\n\nconst ns = {\n  svg: 'http://www.w3.org/2000/svg',\n  xlink: 'http://www.w3.org/1999/xlink'\n};\n\nif (!window.console) {\n  window.console = {\n    log (str) {},\n    dir (str) {}\n  };\n}\n\n/**\n* Adds {@link external:jQuery.jGraduate.Paint}, {@link external:jQuery.fn.jGraduateDefaults}, {@link external:jQuery.fn.jGraduate}\n* @function module:jGraduate.jGraduate\n* @param {external:jQuery} $ The jQuery instance to wrap\n* @returns {external:jQuery}\n*/\nexport default function ($) {\n  if (!$.loadingStylesheets) {\n    $.loadingStylesheets = [];\n  }\n  const stylesheet = 'jgraduate/css/jGraduate.css';\n  if (!$.loadingStylesheets.includes(stylesheet)) {\n    $.loadingStylesheets.push(stylesheet);\n  }\n\n  /**\n  * @typedef {PlainObject} module:jGraduate.jGraduatePaintOptions\n  * @param {Float} [alpha]\n  * @param {module:jGraduate~Paint} [copy] Copy paint object\n  * @param {SVGLinearGradientElement} [linearGradient]\n  * @param {SVGRadialGradientElement} [radialGradient]\n  * @param {string} [solidColor]\n  */\n\n  /**\n  * @memberof module:jGraduate~\n  */\n  class Paint {\n    /**\n     * @param {module:jGraduate.jGraduatePaintOptions} [opt]\n    */\n    constructor (opt) {\n      const options = opt || {};\n      this.alpha = isNaN(options.alpha) ? 100 : options.alpha;\n      // copy paint object\n      if (options.copy) {\n        /**\n         * @name module:jGraduate~Paint#type\n         * @type {\"none\"|\"solidColor\"|\"linearGradient\"|\"radialGradient\"}\n         */\n        this.type = options.copy.type;\n        /**\n         * Represents opacity (0-100)\n         * @name module:jGraduate~Paint#alpha\n         * @type {Float}\n         */\n        this.alpha = options.copy.alpha;\n        /**\n         * Represents #RRGGBB hex of color\n         * @name module:jGraduate~Paint#solidColor\n         * @type {string}\n         */\n        this.solidColor = null;\n        /**\n         * @name module:jGraduate~Paint#linearGradient\n         * @type {SVGLinearGradientElement}\n         */\n        this.linearGradient = null;\n        /**\n         * @name module:jGraduate~Paint#radialGradient\n         * @type {SVGRadialGradientElement}\n         */\n        this.radialGradient = null;\n\n        switch (this.type) {\n        case 'none':\n          break;\n        case 'solidColor':\n          this.solidColor = options.copy.solidColor;\n          break;\n        case 'linearGradient':\n          this.linearGradient = options.copy.linearGradient.cloneNode(true);\n          break;\n        case 'radialGradient':\n          this.radialGradient = options.copy.radialGradient.cloneNode(true);\n          break;\n        }\n      // create linear gradient paint\n      } else if (options.linearGradient) {\n        this.type = 'linearGradient';\n        this.solidColor = null;\n        this.radialGradient = null;\n        this.linearGradient = options.linearGradient.cloneNode(true);\n      // create linear gradient paint\n      } else if (options.radialGradient) {\n        this.type = 'radialGradient';\n        this.solidColor = null;\n        this.linearGradient = null;\n        this.radialGradient = options.radialGradient.cloneNode(true);\n      // create solid color paint\n      } else if (options.solidColor) {\n        this.type = 'solidColor';\n        this.solidColor = options.solidColor;\n      // create empty paint\n      } else {\n        this.type = 'none';\n        this.solidColor = null;\n        this.linearGradient = null;\n        this.radialGradient = null;\n      }\n    }\n  }\n  /**\n  * @namespace {PlainObject} jGraduate\n  * @memberof external:jQuery\n  */\n  $.jGraduate = /** @lends external:jQuery.jGraduate */ {\n    /**\n    * @class external:jQuery.jGraduate.Paint\n    * @see module:jGraduate~Paint\n    */\n    Paint\n  };\n\n  // JSDoc doesn't show this as belonging to our `module:jGraduate.Options` type,\n  //   so we use `@see`\n  /**\n  * @namespace {module:jGraduate.Options} jGraduateDefaults\n  * @memberof external:jQuery.fn\n  */\n  $.fn.jGraduateDefaults = /** @lends external:jQuery.fn.jGraduateDefaults */ {\n    /**\n    * Creates an object with a 'none' color\n    * @type {external:jQuery.jGraduate.Paint}\n    * @see module:jGraduate.Options\n    */\n    paint: new $.jGraduate.Paint(),\n    /**\n    * @namespace\n    */\n    window: {\n      /**\n      * @type {string}\n      * @see module:jGraduate.Options\n      */\n      pickerTitle: 'Drag markers to pick a paint'\n    },\n    /**\n    * @namespace\n    */\n    images: {\n      /**\n      * @type {string}\n      * @see module:jGraduate.Options\n      */\n      clientPath: 'images/'\n    },\n    /**\n    * @type {string}\n    * @see module:jGraduate.Options\n    */\n    newstop: 'inverse' // same, inverse, black, white\n  };\n\n  const isGecko = navigator.userAgent.includes('Gecko/');\n\n  function setAttrs (elem, attrs) {\n    if (isGecko) {\n      for (const aname in attrs) elem.setAttribute(aname, attrs[aname]);\n    } else {\n      for (const aname in attrs) {\n        const val = attrs[aname], prop = elem[aname];\n        if (prop && prop.constructor === 'SVGLength') {\n          prop.baseVal.value = val;\n        } else {\n          elem.setAttribute(aname, val);\n        }\n      }\n    }\n  }\n\n  function mkElem (name, attrs, newparent) {\n    const elem = document.createElementNS(ns.svg, name);\n    setAttrs(elem, attrs);\n    if (newparent) {\n      newparent.append(elem);\n    }\n    return elem;\n  }\n\n  /**\n  * @typedef {PlainObject} module:jGraduate.ColorOpac Object may have one or both values\n  * @property {string} [color] #Hex color\n  * @property {Float} [opac] 0-1\n  */\n  /**\n  * @typedef {PlainObject} module:jGraduate.Options\n  * @property {module:jGraduate~Paint} [paint] A Paint object object describing the paint to display initially; defaults to a new instance without options (defaults to opaque white)\n  * @property {external:Window} [window]\n  * @property {string} [window.pickerTitle='Drag markers to pick a paint']\n  * @property {PlainObject} [images]\n  * @property {string} [images.clientPath='images/']\n  * @property {\"same\"|\"inverse\"|\"black\"|\"white\"|module:jGraduate.ColorOpac} [newstop=\"inverse\"]\n  */\n\n  /**\n  * @callback external:jQuery.fn.jGraduate.OkCallback\n  * @param {external:jQuery.jGraduate.Paint} paint\n  * @returns {undefined}\n  */\n  /**\n  * @callback external:jQuery.fn.jGraduate.CancelCallback\n  * @returns {undefined}\n  */\n\n  /**\n  * @function external:jQuery.fn.jGraduate\n  * @param {module:jGraduate.Options} [options]\n  * @param {external:jQuery.fn.jGraduate.OkCallback} [okCallback] Called with a Paint object when Ok is pressed\n  * @param {external:jQuery.fn.jGraduate.CancelCallback} [cancelCallback] Called with no arguments when Cancel is pressed\n  * @returns {external:jQuery}\n  */\n  $.fn.jGraduate = function (options, okCallback, cancelCallback) {\n    return this.each(function () {\n      const $this = $(this),\n        $settings = $.extend(true, {}, $.fn.jGraduateDefaults, options || {}),\n        id = $this.attr('id'),\n        idref = '#' + $this.attr('id') + ' ';\n\n      if (!idref) {\n        alert('Container element must have an id attribute to maintain unique id strings for sub-elements.');\n        return;\n      }\n\n      const okClicked = function () {\n        switch ($this.paint.type) {\n        case 'radialGradient':\n          $this.paint.linearGradient = null;\n          break;\n        case 'linearGradient':\n          $this.paint.radialGradient = null;\n          break;\n        case 'solidColor':\n          $this.paint.radialGradient = $this.paint.linearGradient = null;\n          break;\n        }\n        typeof $this.okCallback === 'function' && $this.okCallback($this.paint);\n        $this.hide();\n      };\n      const cancelClicked = function () {\n        typeof $this.cancelCallback === 'function' && $this.cancelCallback();\n        $this.hide();\n      };\n\n      $.extend(true, $this, { // public properties, methods, and callbacks\n        // make a copy of the incoming paint\n        paint: new $.jGraduate.Paint({copy: $settings.paint}),\n        okCallback: typeof okCallback === 'function' ? okCallback : null,\n        cancelCallback: typeof cancelCallback === 'function' ? cancelCallback : null\n      });\n\n      let // pos = $this.position(),\n        color = null;\n      const $win = $(window);\n\n      if ($this.paint.type === 'none') {\n        $this.paint = new $.jGraduate.Paint({solidColor: 'ffffff'});\n      }\n\n      $this.addClass('jGraduate_Picker');\n      $this.html(\n        '<ul class=\"jGraduate_tabs\">' +\n          '<li class=\"jGraduate_tab_color jGraduate_tab_current\" data-type=\"col\">Solid Color</li>' +\n          '<li class=\"jGraduate_tab_lingrad\" data-type=\"lg\">Linear Gradient</li>' +\n          '<li class=\"jGraduate_tab_radgrad\" data-type=\"rg\">Radial Gradient</li>' +\n        '</ul>' +\n        '<div class=\"jGraduate_colPick\"></div>' +\n        '<div class=\"jGraduate_gradPick\"></div>' +\n        '<div class=\"jGraduate_LightBox\"></div>' +\n        '<div id=\"' + id + '_jGraduate_stopPicker\" class=\"jGraduate_stopPicker\"></div>'\n      );\n      const colPicker = $(idref + '> .jGraduate_colPick');\n      const gradPicker = $(idref + '> .jGraduate_gradPick');\n\n      gradPicker.html(\n        '<div id=\"' + id + '_jGraduate_Swatch\" class=\"jGraduate_Swatch\">' +\n          '<h2 class=\"jGraduate_Title\">' + $settings.window.pickerTitle + '</h2>' +\n          '<div id=\"' + id + '_jGraduate_GradContainer\" class=\"jGraduate_GradContainer\"></div>' +\n          '<div id=\"' + id + '_jGraduate_StopSlider\" class=\"jGraduate_StopSlider\"></div>' +\n        '</div>' +\n        '<div class=\"jGraduate_Form jGraduate_Points jGraduate_lg_field\">' +\n          '<div class=\"jGraduate_StopSection\">' +\n            '<label class=\"jGraduate_Form_Heading\">Begin Point</label>' +\n            '<div class=\"jGraduate_Form_Section\">' +\n              '<label>x:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_x1\" size=\"3\" title=\"Enter starting x value between 0.0 and 1.0\"/>' +\n              '<label>y:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_y1\" size=\"3\" title=\"Enter starting y value between 0.0 and 1.0\"/>' +\n            '</div>' +\n          '</div>' +\n          '<div class=\"jGraduate_StopSection\">' +\n            '<label class=\"jGraduate_Form_Heading\">End Point</label>' +\n            '<div class=\"jGraduate_Form_Section\">' +\n              '<label>x:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_x2\" size=\"3\" title=\"Enter ending x value between 0.0 and 1.0\"/>' +\n              '<label>y:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_y2\" size=\"3\" title=\"Enter ending y value between 0.0 and 1.0\"/>' +\n            '</div>' +\n          '</div>' +\n        '</div>' +\n        '<div class=\"jGraduate_Form jGraduate_Points jGraduate_rg_field\">' +\n          '<div class=\"jGraduate_StopSection\">' +\n            '<label class=\"jGraduate_Form_Heading\">Center Point</label>' +\n            '<div class=\"jGraduate_Form_Section\">' +\n              '<label>x:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_cx\" size=\"3\" title=\"Enter x value between 0.0 and 1.0\"/>' +\n              '<label>y:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_cy\" size=\"3\" title=\"Enter y value between 0.0 and 1.0\"/>' +\n            '</div>' +\n          '</div>' +\n          '<div class=\"jGraduate_StopSection\">' +\n            '<label class=\"jGraduate_Form_Heading\">Focal Point</label>' +\n            '<div class=\"jGraduate_Form_Section\">' +\n              '<label>Match center: <input type=\"checkbox\" checked=\"checked\" id=\"' + id + '_jGraduate_match_ctr\"/></label><br/>' +\n              '<label>x:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_fx\" size=\"3\" title=\"Enter x value between 0.0 and 1.0\"/>' +\n              '<label>y:</label>' +\n              '<input type=\"text\" id=\"' + id + '_jGraduate_fy\" size=\"3\" title=\"Enter y value between 0.0 and 1.0\"/>' +\n            '</div>' +\n          '</div>' +\n        '</div>' +\n        '<div class=\"jGraduate_StopSection jGraduate_SpreadMethod\">' +\n          '<label class=\"jGraduate_Form_Heading\">Spread method</label>' +\n          '<div class=\"jGraduate_Form_Section\">' +\n            '<select class=\"jGraduate_spreadMethod\">' +\n              '<option value=pad selected>Pad</option>' +\n              '<option value=reflect>Reflect</option>' +\n              '<option value=repeat>Repeat</option>' +\n            '</select>' +\n          '</div>' +\n        '</div>' +\n        '<div class=\"jGraduate_Form\">' +\n          '<div class=\"jGraduate_Slider jGraduate_RadiusField jGraduate_rg_field\">' +\n            '<label class=\"prelabel\">Radius:</label>' +\n            '<div id=\"' + id + '_jGraduate_Radius\" class=\"jGraduate_SliderBar jGraduate_Radius\" title=\"Click to set radius\">' +\n              '<img id=\"' + id + '_jGraduate_RadiusArrows\" class=\"jGraduate_RadiusArrows\" src=\"' + $settings.images.clientPath + 'rangearrows2.gif\">' +\n            '</div>' +\n            '<label><input type=\"text\" id=\"' + id + '_jGraduate_RadiusInput\" size=\"3\" value=\"100\"/>%</label>' +\n          '</div>' +\n          '<div class=\"jGraduate_Slider jGraduate_EllipField jGraduate_rg_field\">' +\n            '<label class=\"prelabel\">Ellip:</label>' +\n            '<div id=\"' + id + '_jGraduate_Ellip\" class=\"jGraduate_SliderBar jGraduate_Ellip\" title=\"Click to set Ellip\">' +\n              '<img id=\"' + id + '_jGraduate_EllipArrows\" class=\"jGraduate_EllipArrows\" src=\"' + $settings.images.clientPath + 'rangearrows2.gif\">' +\n            '</div>' +\n            '<label><input type=\"text\" id=\"' + id + '_jGraduate_EllipInput\" size=\"3\" value=\"0\"/>%</label>' +\n          '</div>' +\n          '<div class=\"jGraduate_Slider jGraduate_AngleField jGraduate_rg_field\">' +\n            '<label class=\"prelabel\">Angle:</label>' +\n            '<div id=\"' + id + '_jGraduate_Angle\" class=\"jGraduate_SliderBar jGraduate_Angle\" title=\"Click to set Angle\">' +\n              '<img id=\"' + id + '_jGraduate_AngleArrows\" class=\"jGraduate_AngleArrows\" src=\"' + $settings.images.clientPath + 'rangearrows2.gif\">' +\n            '</div>' +\n            '<label><input type=\"text\" id=\"' + id + '_jGraduate_AngleInput\" size=\"3\" value=\"0\"/>deg</label>' +\n          '</div>' +\n          '<div class=\"jGraduate_Slider jGraduate_OpacField\">' +\n            '<label class=\"prelabel\">Opac:</label>' +\n            '<div id=\"' + id + '_jGraduate_Opac\" class=\"jGraduate_SliderBar jGraduate_Opac\" title=\"Click to set Opac\">' +\n              '<img id=\"' + id + '_jGraduate_OpacArrows\" class=\"jGraduate_OpacArrows\" src=\"' + $settings.images.clientPath + 'rangearrows2.gif\">' +\n            '</div>' +\n            '<label><input type=\"text\" id=\"' + id + '_jGraduate_OpacInput\" size=\"3\" value=\"100\"/>%</label>' +\n          '</div>' +\n        '</div>' +\n        '<div class=\"jGraduate_OkCancel\">' +\n          '<input type=\"button\" id=\"' + id + '_jGraduate_Ok\" class=\"jGraduate_Ok\" value=\"OK\"/>' +\n          '<input type=\"button\" id=\"' + id + '_jGraduate_Cancel\" class=\"jGraduate_Cancel\" value=\"Cancel\"/>' +\n        '</div>');\n\n      // --------------\n      // Set up all the SVG elements (the gradient, stops and rectangle)\n      const MAX = 256,\n        MARGINX = 0,\n        MARGINY = 0,\n        // STOP_RADIUS = 15 / 2,\n        SIZEX = MAX - 2 * MARGINX,\n        SIZEY = MAX - 2 * MARGINY;\n\n      const attrInput = {};\n\n      const SLIDERW = 145;\n      $('.jGraduate_SliderBar').width(SLIDERW);\n\n      const container = $('#' + id + '_jGraduate_GradContainer')[0];\n\n      const svg = mkElem('svg', {\n        id: id + '_jgraduate_svg',\n        width: MAX,\n        height: MAX,\n        xmlns: ns.svg\n      }, container);\n\n      // This wasn't working as designed\n      // let curType;\n      // curType = curType || $this.paint.type;\n\n      // if we are sent a gradient, import it\n      let curType = $this.paint.type;\n\n      let grad = $this.paint[curType];\n      let curGradient = grad;\n\n      const gradalpha = $this.paint.alpha;\n\n      const isSolid = curType === 'solidColor';\n\n      // Make any missing gradients\n      switch (curType) {\n      case 'solidColor':\n        // fall through\n      case 'linearGradient':\n        if (!isSolid) {\n          curGradient.id = id + '_lg_jgraduate_grad';\n          grad = curGradient = svg.appendChild(curGradient); // .cloneNode(true));\n        }\n        mkElem('radialGradient', {\n          id: id + '_rg_jgraduate_grad'\n        }, svg);\n        if (curType === 'linearGradient') { break; }\n        // fall through\n      case 'radialGradient':\n        if (!isSolid) {\n          curGradient.id = id + '_rg_jgraduate_grad';\n          grad = curGradient = svg.appendChild(curGradient); // .cloneNode(true));\n        }\n        mkElem('linearGradient', {\n          id: id + '_lg_jgraduate_grad'\n        }, svg);\n      }\n\n      let stopGroup; // eslint-disable-line prefer-const\n      if (isSolid) {\n        grad = curGradient = $('#' + id + '_lg_jgraduate_grad')[0];\n        color = $this.paint[curType];\n        mkStop(0, '#' + color, 1);\n\n        const type = typeof $settings.newstop;\n\n        if (type === 'string') {\n          switch ($settings.newstop) {\n          case 'same':\n            mkStop(1, '#' + color, 1);\n            break;\n\n          case 'inverse':\n            // Invert current color for second stop\n            let inverted = '';\n            for (let i = 0; i < 6; i += 2) {\n              // const ch = color.substr(i, 2);\n              let inv = (255 - parseInt(color.substr(i, 2), 16)).toString(16);\n              if (inv.length < 2) inv = 0 + inv;\n              inverted += inv;\n            }\n            mkStop(1, '#' + inverted, 1);\n            break;\n\n          case 'white':\n            mkStop(1, '#ffffff', 1);\n            break;\n\n          case 'black':\n            mkStop(1, '#000000', 1);\n            break;\n          }\n        } else if (type === 'object') {\n          const opac = ('opac' in $settings.newstop) ? $settings.newstop.opac : 1;\n          mkStop(1, ($settings.newstop.color || '#' + color), opac);\n        }\n      }\n\n      const x1 = parseFloat(grad.getAttribute('x1') || 0.0),\n        y1 = parseFloat(grad.getAttribute('y1') || 0.0),\n        x2 = parseFloat(grad.getAttribute('x2') || 1.0),\n        y2 = parseFloat(grad.getAttribute('y2') || 0.0);\n\n      const cx = parseFloat(grad.getAttribute('cx') || 0.5),\n        cy = parseFloat(grad.getAttribute('cy') || 0.5),\n        fx = parseFloat(grad.getAttribute('fx') || cx),\n        fy = parseFloat(grad.getAttribute('fy') || cy);\n\n      const previewRect = mkElem('rect', {\n        id: id + '_jgraduate_rect',\n        x: MARGINX,\n        y: MARGINY,\n        width: SIZEX,\n        height: SIZEY,\n        fill: 'url(#' + id + '_jgraduate_grad)',\n        'fill-opacity': gradalpha / 100\n      }, svg);\n\n      // stop visuals created here\n      const beginCoord = $('<div/>').attr({\n        class: 'grad_coord jGraduate_lg_field',\n        title: 'Begin Stop'\n      }).text(1).css({\n        top: y1 * MAX,\n        left: x1 * MAX\n      }).data('coord', 'start').appendTo(container);\n\n      const endCoord = beginCoord.clone().text(2).css({\n        top: y2 * MAX,\n        left: x2 * MAX\n      }).attr('title', 'End stop').data('coord', 'end').appendTo(container);\n\n      const centerCoord = $('<div/>').attr({\n        class: 'grad_coord jGraduate_rg_field',\n        title: 'Center stop'\n      }).text('C').css({\n        top: cy * MAX,\n        left: cx * MAX\n      }).data('coord', 'center').appendTo(container);\n\n      const focusCoord = centerCoord.clone().text('F').css({\n        top: fy * MAX,\n        left: fx * MAX,\n        display: 'none'\n      }).attr('title', 'Focus point').data('coord', 'focus').appendTo(container);\n\n      focusCoord[0].id = id + '_jGraduate_focusCoord';\n\n      // const coords = $(idref + ' .grad_coord');\n\n      // $(container).hover(function () {\n      //   coords.animate({\n      //     opacity: 1\n      //   }, 500);\n      // }, function () {\n      //   coords.animate({\n      //     opacity: .2\n      //   }, 500);\n      // });\n\n      let showFocus;\n      $.each(['x1', 'y1', 'x2', 'y2', 'cx', 'cy', 'fx', 'fy'], function (i, attr) {\n        const isRadial = isNaN(attr[1]);\n\n        let attrval = curGradient.getAttribute(attr);\n        if (!attrval) {\n          // Set defaults\n          if (isRadial) {\n            // For radial points\n            attrval = '0.5';\n          } else {\n            // Only x2 is 1\n            attrval = attr === 'x2' ? '1.0' : '0.0';\n          }\n        }\n\n        attrInput[attr] = $('#' + id + '_jGraduate_' + attr)\n          .val(attrval)\n          .change(function () {\n            // TODO: Support values < 0 and > 1 (zoomable preview?)\n            if (isNaN(parseFloat(this.value)) || this.value < 0) {\n              this.value = 0.0;\n            } else if (this.value > 1) {\n              this.value = 1.0;\n            }\n\n            if (!(attr[0] === 'f' && !showFocus)) {\n              if ((isRadial && curType === 'radialGradient') || (!isRadial && curType === 'linearGradient')) {\n                curGradient.setAttribute(attr, this.value);\n              }\n            }\n\n            const $elem = isRadial\n              ? attr[0] === 'c' ? centerCoord : focusCoord\n              : attr[1] === '1' ? beginCoord : endCoord;\n\n            const cssName = attr.includes('x') ? 'left' : 'top';\n\n            $elem.css(cssName, this.value * MAX);\n          }).change();\n      });\n\n      function mkStop (n, color, opac, sel, stopElem) {\n        const stop = stopElem || mkElem('stop', {'stop-color': color, 'stop-opacity': opac, offset: n}, curGradient);\n        if (stopElem) {\n          color = stopElem.getAttribute('stop-color');\n          opac = stopElem.getAttribute('stop-opacity');\n          n = stopElem.getAttribute('offset');\n        } else {\n          curGradient.append(stop);\n        }\n        if (opac === null) opac = 1;\n\n        const pickerD = 'M-6.2,0.9c3.6-4,6.7-4.3,6.7-12.4c-0.2,7.9,3.1,8.8,6.5,12.4c3.5,3.8,2.9,9.6,0,12.3c-3.1,2.8-10.4,2.7-13.2,0C-9.6,9.9-9.4,4.4-6.2,0.9z';\n\n        const pathbg = mkElem('path', {\n          d: pickerD,\n          fill: 'url(#jGraduate_trans)',\n          transform: 'translate(' + (10 + n * MAX) + ', 26)'\n        }, stopGroup);\n\n        const path = mkElem('path', {\n          d: pickerD,\n          fill: color,\n          'fill-opacity': opac,\n          transform: 'translate(' + (10 + n * MAX) + ', 26)',\n          stroke: '#000',\n          'stroke-width': 1.5\n        }, stopGroup);\n\n        $(path).mousedown(function (e) {\n          selectStop(this);\n          drag = curStop;\n          $win.mousemove(dragColor).mouseup(remDrags);\n          stopOffset = stopMakerDiv.offset();\n          e.preventDefault();\n          return false;\n        }).data('stop', stop).data('bg', pathbg).dblclick(function () {\n          $('div.jGraduate_LightBox').show();\n          const colorhandle = this;\n          let stopOpacity = +stop.getAttribute('stop-opacity') || 1;\n          let stopColor = stop.getAttribute('stop-color') || 1;\n          let thisAlpha = (parseFloat(stopOpacity) * 255).toString(16);\n          while (thisAlpha.length < 2) { thisAlpha = '0' + thisAlpha; }\n          color = stopColor.substr(1) + thisAlpha;\n          $('#' + id + '_jGraduate_stopPicker').css({left: 100, bottom: 15}).jPicker({\n            window: {title: 'Pick the start color and opacity for the gradient'},\n            images: {clientPath: $settings.images.clientPath},\n            color: {active: color, alphaSupport: true}\n          }, function (color, arg2) {\n            stopColor = color.val('hex') ? ('#' + color.val('hex')) : 'none';\n            stopOpacity = color.val('a') !== null ? color.val('a') / 256 : 1;\n            colorhandle.setAttribute('fill', stopColor);\n            colorhandle.setAttribute('fill-opacity', stopOpacity);\n            stop.setAttribute('stop-color', stopColor);\n            stop.setAttribute('stop-opacity', stopOpacity);\n            $('div.jGraduate_LightBox').hide();\n            $('#' + id + '_jGraduate_stopPicker').hide();\n          }, null, function () {\n            $('div.jGraduate_LightBox').hide();\n            $('#' + id + '_jGraduate_stopPicker').hide();\n          });\n        });\n\n        $(curGradient).find('stop').each(function () {\n          const curS = $(this);\n          if (+this.getAttribute('offset') > n) {\n            if (!color) {\n              const newcolor = this.getAttribute('stop-color');\n              const newopac = this.getAttribute('stop-opacity');\n              stop.setAttribute('stop-color', newcolor);\n              path.setAttribute('fill', newcolor);\n              stop.setAttribute('stop-opacity', newopac === null ? 1 : newopac);\n              path.setAttribute('fill-opacity', newopac === null ? 1 : newopac);\n            }\n            curS.before(stop);\n            return false;\n          }\n        });\n        if (sel) selectStop(path);\n        return stop;\n      }\n\n      function remStop () {\n        delStop.setAttribute('display', 'none');\n        const path = $(curStop);\n        const stop = path.data('stop');\n        const bg = path.data('bg');\n        $([curStop, stop, bg]).remove();\n      }\n\n      const stopMakerDiv = $('#' + id + '_jGraduate_StopSlider');\n\n      let stops, curStop, drag;\n\n      const delStop = mkElem('path', {\n        d: 'm9.75,-6l-19.5,19.5m0,-19.5l19.5,19.5',\n        fill: 'none',\n        stroke: '#D00',\n        'stroke-width': 5,\n        display: 'none'\n      }, undefined); // stopMakerSVG);\n\n      function selectStop (item) {\n        if (curStop) curStop.setAttribute('stroke', '#000');\n        item.setAttribute('stroke', 'blue');\n        curStop = item;\n        curStop.parentNode.append(curStop);\n        //   stops = $('stop');\n        //   opac_select.val(curStop.attr('fill-opacity') || 1);\n        //   root.append(delStop);\n      }\n\n      let stopOffset;\n\n      function remDrags () {\n        $win.unbind('mousemove', dragColor);\n        if (delStop.getAttribute('display') !== 'none') {\n          remStop();\n        }\n        drag = null;\n      }\n\n      let scaleX = 1, scaleY = 1, angle = 0;\n\n      let cX = cx;\n      let cY = cy;\n      function xform () {\n        const rot = angle ? 'rotate(' + angle + ',' + cX + ',' + cY + ') ' : '';\n        if (scaleX === 1 && scaleY === 1) {\n          curGradient.removeAttribute('gradientTransform');\n          // $('#ang').addClass('dis');\n        } else {\n          const x = -cX * (scaleX - 1);\n          const y = -cY * (scaleY - 1);\n          curGradient.setAttribute('gradientTransform', rot + 'translate(' + x + ',' + y + ') scale(' + scaleX + ',' + scaleY + ')');\n          // $('#ang').removeClass('dis');\n        }\n      }\n\n      function dragColor (evt) {\n        let x = evt.pageX - stopOffset.left;\n        const y = evt.pageY - stopOffset.top;\n        x = x < 10\n          ? 10\n          : x > MAX + 10\n            ? MAX + 10\n            : x;\n\n        const xfStr = 'translate(' + x + ', 26)';\n        if (y < -60 || y > 130) {\n          delStop.setAttribute('display', 'block');\n          delStop.setAttribute('transform', xfStr);\n        } else {\n          delStop.setAttribute('display', 'none');\n        }\n\n        drag.setAttribute('transform', xfStr);\n        $.data(drag, 'bg').setAttribute('transform', xfStr);\n        const stop = $.data(drag, 'stop');\n        const sX = (x - 10) / MAX;\n\n        stop.setAttribute('offset', sX);\n\n        let last = 0;\n        $(curGradient).find('stop').each(function (i) {\n          const cur = this.getAttribute('offset');\n          const t = $(this);\n          if (cur < last) {\n            t.prev().before(t);\n            stops = $(curGradient).find('stop');\n          }\n          last = cur;\n        });\n      }\n\n      const stopMakerSVG = mkElem('svg', {\n        width: '100%',\n        height: 45\n      }, stopMakerDiv[0]);\n\n      const transPattern = mkElem('pattern', {\n        width: 16,\n        height: 16,\n        patternUnits: 'userSpaceOnUse',\n        id: 'jGraduate_trans'\n      }, stopMakerSVG);\n\n      const transImg = mkElem('image', {\n        width: 16,\n        height: 16\n      }, transPattern);\n\n      const bgImage = $settings.images.clientPath + 'map-opacity.png';\n\n      transImg.setAttributeNS(ns.xlink, 'xlink:href', bgImage);\n\n      $(stopMakerSVG).click(function (evt) {\n        stopOffset = stopMakerDiv.offset();\n        const {target} = evt;\n        if (target.tagName === 'path') return;\n        let x = evt.pageX - stopOffset.left - 8;\n        x = x < 10 ? 10 : x > MAX + 10 ? MAX + 10 : x;\n        mkStop(x / MAX, 0, 0, true);\n        evt.stopPropagation();\n      });\n\n      $(stopMakerSVG).mouseover(function () {\n        stopMakerSVG.append(delStop);\n      });\n\n      stopGroup = mkElem('g', {}, stopMakerSVG);\n\n      mkElem('line', {\n        x1: 10,\n        y1: 15,\n        x2: MAX + 10,\n        y2: 15,\n        'stroke-width': 2,\n        stroke: '#000'\n      }, stopMakerSVG);\n\n      const spreadMethodOpt = gradPicker.find('.jGraduate_spreadMethod').change(function () {\n        curGradient.setAttribute('spreadMethod', $(this).val());\n      });\n\n      // handle dragging the stop around the swatch\n      let draggingCoord = null;\n\n      const onCoordDrag = function (evt) {\n        let x = evt.pageX - offset.left;\n        let y = evt.pageY - offset.top;\n\n        // clamp stop to the swatch\n        x = x < 0 ? 0 : x > MAX ? MAX : x;\n        y = y < 0 ? 0 : y > MAX ? MAX : y;\n\n        draggingCoord.css('left', x).css('top', y);\n\n        // calculate stop offset\n        const fracx = x / SIZEX;\n        const fracy = y / SIZEY;\n\n        const type = draggingCoord.data('coord');\n        const grad = curGradient;\n\n        switch (type) {\n        case 'start':\n          attrInput.x1.val(fracx);\n          attrInput.y1.val(fracy);\n          grad.setAttribute('x1', fracx);\n          grad.setAttribute('y1', fracy);\n          break;\n        case 'end':\n          attrInput.x2.val(fracx);\n          attrInput.y2.val(fracy);\n          grad.setAttribute('x2', fracx);\n          grad.setAttribute('y2', fracy);\n          break;\n        case 'center':\n          attrInput.cx.val(fracx);\n          attrInput.cy.val(fracy);\n          grad.setAttribute('cx', fracx);\n          grad.setAttribute('cy', fracy);\n          cX = fracx;\n          cY = fracy;\n          xform();\n          break;\n        case 'focus':\n          attrInput.fx.val(fracx);\n          attrInput.fy.val(fracy);\n          grad.setAttribute('fx', fracx);\n          grad.setAttribute('fy', fracy);\n          xform();\n        }\n\n        evt.preventDefault();\n      };\n\n      const onCoordUp = function () {\n        draggingCoord = null;\n        $win.unbind('mousemove', onCoordDrag).unbind('mouseup', onCoordUp);\n      };\n\n      // Linear gradient\n      // (function () {\n\n      stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');\n\n      let numstops = stops.length;\n      // if there are not at least two stops, then\n      if (numstops < 2) {\n        while (numstops < 2) {\n          curGradient.append(document.createElementNS(ns.svg, 'stop'));\n          ++numstops;\n        }\n        stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');\n      }\n\n      for (let i = 0; i < numstops; i++) {\n        mkStop(0, 0, 0, 0, stops[i]);\n      }\n\n      spreadMethodOpt.val(curGradient.getAttribute('spreadMethod') || 'pad');\n\n      let offset;\n\n      // No match, so show focus point\n      showFocus = false;\n\n      previewRect.setAttribute('fill-opacity', gradalpha / 100);\n\n      $('#' + id + ' div.grad_coord').mousedown(function (evt) {\n        evt.preventDefault();\n        draggingCoord = $(this);\n        // const sPos = draggingCoord.offset();\n        offset = draggingCoord.parent().offset();\n        $win.mousemove(onCoordDrag).mouseup(onCoordUp);\n      });\n\n      // bind GUI elements\n      $('#' + id + '_jGraduate_Ok').bind('click', function () {\n        $this.paint.type = curType;\n        $this.paint[curType] = curGradient.cloneNode(true);\n        $this.paint.solidColor = null;\n        okClicked();\n      });\n      $('#' + id + '_jGraduate_Cancel').bind('click', function (paint) {\n        cancelClicked();\n      });\n\n      if (curType === 'radialGradient') {\n        if (showFocus) {\n          focusCoord.show();\n        } else {\n          focusCoord.hide();\n          attrInput.fx.val('');\n          attrInput.fy.val('');\n        }\n      }\n\n      $('#' + id + '_jGraduate_match_ctr')[0].checked = !showFocus;\n\n      let lastfx, lastfy;\n\n      $('#' + id + '_jGraduate_match_ctr').change(function () {\n        showFocus = !this.checked;\n        focusCoord.toggle(showFocus);\n        attrInput.fx.val('');\n        attrInput.fy.val('');\n        const grad = curGradient;\n        if (!showFocus) {\n          lastfx = grad.getAttribute('fx');\n          lastfy = grad.getAttribute('fy');\n          grad.removeAttribute('fx');\n          grad.removeAttribute('fy');\n        } else {\n          const fx = lastfx || 0.5;\n          const fy = lastfy || 0.5;\n          grad.setAttribute('fx', fx);\n          grad.setAttribute('fy', fy);\n          attrInput.fx.val(fx);\n          attrInput.fy.val(fy);\n        }\n      });\n\n      stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');\n      numstops = stops.length;\n      // if there are not at least two stops, then\n      if (numstops < 2) {\n        while (numstops < 2) {\n          curGradient.append(document.createElementNS(ns.svg, 'stop'));\n          ++numstops;\n        }\n        stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');\n      }\n\n      let slider;\n\n      const setSlider = function (e) {\n        const {offset} = slider;\n        const div = slider.parent;\n        let x = (e.pageX - offset.left - parseInt(div.css('border-left-width')));\n        if (x > SLIDERW) x = SLIDERW;\n        if (x <= 0) x = 0;\n        const posx = x - 5;\n        x /= SLIDERW;\n\n        switch (slider.type) {\n        case 'radius':\n          x = Math.pow(x * 2, 2.5);\n          if (x > 0.98 && x < 1.02) x = 1;\n          if (x <= 0.01) x = 0.01;\n          curGradient.setAttribute('r', x);\n          break;\n        case 'opacity':\n          $this.paint.alpha = parseInt(x * 100);\n          previewRect.setAttribute('fill-opacity', x);\n          break;\n        case 'ellip':\n          scaleX = 1;\n          scaleY = 1;\n          if (x < 0.5) {\n            x /= 0.5; // 0.001\n            scaleX = x <= 0 ? 0.01 : x;\n          } else if (x > 0.5) {\n            x /= 0.5; // 2\n            x = 2 - x;\n            scaleY = x <= 0 ? 0.01 : x;\n          }\n          xform();\n          x -= 1;\n          if (scaleY === x + 1) {\n            x = Math.abs(x);\n          }\n          break;\n        case 'angle':\n          x = x - 0.5;\n          angle = x *= 180;\n          xform();\n          x /= 100;\n          break;\n        }\n        slider.elem.css({'margin-left': posx});\n        x = Math.round(x * 100);\n        slider.input.val(x);\n      };\n\n      let ellipVal = 0, angleVal = 0;\n\n      if (curType === 'radialGradient') {\n        const tlist = curGradient.gradientTransform.baseVal;\n        if (tlist.numberOfItems === 2) {\n          const t = tlist.getItem(0);\n          const s = tlist.getItem(1);\n          if (t.type === 2 && s.type === 3) {\n            const m = s.matrix;\n            if (m.a !== 1) {\n              ellipVal = Math.round(-(1 - m.a) * 100);\n            } else if (m.d !== 1) {\n              ellipVal = Math.round((1 - m.d) * 100);\n            }\n          }\n        } else if (tlist.numberOfItems === 3) {\n          // Assume [R][T][S]\n          const r = tlist.getItem(0);\n          const t = tlist.getItem(1);\n          const s = tlist.getItem(2);\n\n          if (r.type === 4 &&\n            t.type === 2 &&\n            s.type === 3\n          ) {\n            angleVal = Math.round(r.angle);\n            const m = s.matrix;\n            if (m.a !== 1) {\n              ellipVal = Math.round(-(1 - m.a) * 100);\n            } else if (m.d !== 1) {\n              ellipVal = Math.round((1 - m.d) * 100);\n            }\n          }\n        }\n      }\n\n      const sliders = {\n        radius: {\n          handle: '#' + id + '_jGraduate_RadiusArrows',\n          input: '#' + id + '_jGraduate_RadiusInput',\n          val: (curGradient.getAttribute('r') || 0.5) * 100\n        },\n        opacity: {\n          handle: '#' + id + '_jGraduate_OpacArrows',\n          input: '#' + id + '_jGraduate_OpacInput',\n          val: $this.paint.alpha || 100\n        },\n        ellip: {\n          handle: '#' + id + '_jGraduate_EllipArrows',\n          input: '#' + id + '_jGraduate_EllipInput',\n          val: ellipVal\n        },\n        angle: {\n          handle: '#' + id + '_jGraduate_AngleArrows',\n          input: '#' + id + '_jGraduate_AngleInput',\n          val: angleVal\n        }\n      };\n\n      $.each(sliders, function (type, data) {\n        const handle = $(data.handle);\n        handle.mousedown(function (evt) {\n          const parent = handle.parent();\n          slider = {\n            type,\n            elem: handle,\n            input: $(data.input),\n            parent,\n            offset: parent.offset()\n          };\n          $win.mousemove(dragSlider).mouseup(stopSlider);\n          evt.preventDefault();\n        });\n\n        $(data.input).val(data.val).change(function () {\n          const isRad = curType === 'radialGradient';\n          let val = +this.value;\n          let xpos = 0;\n          switch (type) {\n          case 'radius':\n            if (isRad) curGradient.setAttribute('r', val / 100);\n            xpos = (Math.pow(val / 100, 1 / 2.5) / 2) * SLIDERW;\n            break;\n\n          case 'opacity':\n            $this.paint.alpha = val;\n            previewRect.setAttribute('fill-opacity', val / 100);\n            xpos = val * (SLIDERW / 100);\n            break;\n\n          case 'ellip':\n            scaleX = scaleY = 1;\n            if (val === 0) {\n              xpos = SLIDERW * 0.5;\n              break;\n            }\n            if (val > 99.5) val = 99.5;\n            if (val > 0) {\n              scaleY = 1 - (val / 100);\n            } else {\n              scaleX = -(val / 100) - 1;\n            }\n\n            xpos = SLIDERW * ((val + 100) / 2) / 100;\n            if (isRad) xform();\n            break;\n\n          case 'angle':\n            angle = val;\n            xpos = angle / 180;\n            xpos += 0.5;\n            xpos *= SLIDERW;\n            if (isRad) xform();\n          }\n          if (xpos > SLIDERW) {\n            xpos = SLIDERW;\n          } else if (xpos < 0) {\n            xpos = 0;\n          }\n          handle.css({'margin-left': xpos - 5});\n        }).change();\n      });\n\n      const dragSlider = function (evt) {\n        setSlider(evt);\n        evt.preventDefault();\n      };\n\n      const stopSlider = function (evt) {\n        $win.unbind('mousemove', dragSlider).unbind('mouseup', stopSlider);\n        slider = null;\n      };\n\n      // --------------\n      let thisAlpha = ($this.paint.alpha * 255 / 100).toString(16);\n      while (thisAlpha.length < 2) { thisAlpha = '0' + thisAlpha; }\n      thisAlpha = thisAlpha.split('.')[0];\n      color = $this.paint.solidColor === 'none' ? '' : $this.paint.solidColor + thisAlpha;\n\n      if (!isSolid) {\n        color = stops[0].getAttribute('stop-color');\n      }\n\n      // This should be done somewhere else, probably\n      $.extend($.fn.jPicker.defaults.window, {\n        alphaSupport: true, effects: {type: 'show', speed: 0}\n      });\n\n      colPicker.jPicker(\n        {\n          window: {title: $settings.window.pickerTitle},\n          images: {clientPath: $settings.images.clientPath},\n          color: {active: color, alphaSupport: true}\n        },\n        function (color) {\n          $this.paint.type = 'solidColor';\n          $this.paint.alpha = color.val('ahex') ? Math.round((color.val('a') / 255) * 100) : 100;\n          $this.paint.solidColor = color.val('hex') ? color.val('hex') : 'none';\n          $this.paint.radialGradient = null;\n          okClicked();\n        },\n        null,\n        function () { cancelClicked(); }\n      );\n\n      const tabs = $(idref + ' .jGraduate_tabs li');\n      tabs.click(function () {\n        tabs.removeClass('jGraduate_tab_current');\n        $(this).addClass('jGraduate_tab_current');\n        $(idref + ' > div').hide();\n        const type = $(this).attr('data-type');\n        /* const container = */ $(idref + ' .jGraduate_gradPick').show();\n        if (type === 'rg' || type === 'lg') {\n          // Show/hide appropriate fields\n          $('.jGraduate_' + type + '_field').show();\n          $('.jGraduate_' + (type === 'lg' ? 'rg' : 'lg') + '_field').hide();\n\n          $('#' + id + '_jgraduate_rect')[0].setAttribute('fill', 'url(#' + id + '_' + type + '_jgraduate_grad)');\n\n          // Copy stops\n\n          curType = type === 'lg' ? 'linearGradient' : 'radialGradient';\n\n          $('#' + id + '_jGraduate_OpacInput').val($this.paint.alpha).change();\n\n          const newGrad = $('#' + id + '_' + type + '_jgraduate_grad')[0];\n\n          if (curGradient !== newGrad) {\n            const curStops = $(curGradient).find('stop');\n            $(newGrad).empty().append(curStops);\n            curGradient = newGrad;\n            const sm = spreadMethodOpt.val();\n            curGradient.setAttribute('spreadMethod', sm);\n          }\n          showFocus = type === 'rg' && curGradient.getAttribute('fx') != null && !(cx === fx && cy === fy);\n          $('#' + id + '_jGraduate_focusCoord').toggle(showFocus);\n          if (showFocus) {\n            $('#' + id + '_jGraduate_match_ctr')[0].checked = false;\n          }\n        } else {\n          $(idref + ' .jGraduate_gradPick').hide();\n          $(idref + ' .jGraduate_colPick').show();\n        }\n      });\n      $(idref + ' > div').hide();\n      tabs.removeClass('jGraduate_tab_current');\n      let tab;\n      switch ($this.paint.type) {\n      case 'linearGradient':\n        tab = $(idref + ' .jGraduate_tab_lingrad');\n        break;\n      case 'radialGradient':\n        tab = $(idref + ' .jGraduate_tab_radgrad');\n        break;\n      default:\n        tab = $(idref + ' .jGraduate_tab_color');\n        break;\n      }\n      $this.show();\n\n      // jPicker will try to show after a 0ms timeout, so need to fire this after that\n      setTimeout(() => {\n        tab.addClass('jGraduate_tab_current').click();\n      }, 10);\n    });\n  };\n  return $;\n}\n","/**\n * jPicker (Adapted from version 1.1.6)\n *\n * jQuery Plugin for Photoshop style color picker\n *\n * @module jPicker\n * @copyright (c) 2010 Christopher T. Tillman\n * Digital Magic Productions, Inc. ({@link http://www.digitalmagicpro.com/})\n * FREE to use, alter, copy, sell, and especially ENHANCE\n * @license MIT\n *\n * Painstakingly ported from John Dyers' excellent work on his own color picker based on the Prototype framework.\n *\n * John Dyers' website: {@link http://johndyer.name}\n * Color Picker page: {@link http://johndyer.name/photoshop-like-javascript-color-picker/}\n */\n\n/**\n* @external Math\n*/\n/**\n* @memberof external:Math\n* @param {Float} value\n* @param {Float} precision\n* @returns {Float}\n*/\nfunction toFixedNumeric (value, precision) {\n  if (precision === undefined) precision = 0;\n  return Math.round(value * Math.pow(10, precision)) / Math.pow(10, precision);\n}\n\n/**\n* @function module:jPicker.jPicker\n* @param {external:jQuery} $ The jQuery object to wrap (with {@link external:jQuery.loadingStylesheets}, {@link external:jQuery.fn.$.fn.jPicker}, {@link external:jQuery.fn.$.fn.jPicker.defaults})\n* @returns {external:jQuery}\n*/\nconst jPicker = function ($) {\n  if (!$.loadingStylesheets) {\n    /**\n    * @name loadingStylesheets\n    * @type {string[]}\n    * @memberof external:jQuery\n    */\n    $.loadingStylesheets = [];\n  }\n  const stylesheet = 'jgraduate/css/jPicker.css';\n  if (!$.loadingStylesheets.includes(stylesheet)) {\n    $.loadingStylesheets.push(stylesheet);\n  }\n  /**\n  * @typedef {PlainObject} module:jPicker.SliderOptions\n  * @property {external:jQuery|PlainObject} arrow\n  * @property {string} arrow.image Not in use?\n  * @property {Float} arrow.width\n  * @property {Float} arrow.height\n  * @property {PlainObject} map\n  * @property {Float} map.width\n  * @property {Float} map.height\n  */\n\n  /**\n  * Encapsulate slider functionality for the ColorMap and ColorBar -\n  * could be useful to use a jQuery UI draggable for this with certain extensions\n  * @param {external:jQuery} bar\n  * @param {module:jPicker.SliderOptions} options\n  */\n  function Slider (bar, options) {\n    const $this = this;\n    function fireChangeEvents (context) {\n      for (let i = 0; i < changeEvents.length; i++) {\n        changeEvents[i].call($this, $this, context);\n      }\n    }\n    // bind the mousedown to the bar not the arrow for quick snapping to the clicked location\n    function mouseDown (e) {\n      const off = bar.offset();\n      offset = {l: off.left | 0, t: off.top | 0};\n      clearTimeout(timeout);\n      // using setTimeout for visual updates - once the style is updated the browser will re-render internally allowing the next Javascript to run\n      timeout = setTimeout(function () {\n        setValuesFromMousePosition.call($this, e);\n      }, 0);\n      // Bind mousemove and mouseup event to the document so it responds when dragged of of the bar - we will unbind these when on mouseup to save processing\n      $(document).bind('mousemove', mouseMove).bind('mouseup', mouseUp);\n      e.preventDefault(); // don't try to select anything or drag the image to the desktop\n    }\n    // set the values as the mouse moves\n    function mouseMove (e) {\n      clearTimeout(timeout);\n      timeout = setTimeout(function () {\n        setValuesFromMousePosition.call($this, e);\n      }, 0);\n      e.stopPropagation();\n      e.preventDefault();\n      return false;\n    }\n    // unbind the document events - they aren't needed when not dragging\n    function mouseUp (e) {\n      $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);\n      e.stopPropagation();\n      e.preventDefault();\n      return false;\n    }\n    // calculate mouse position and set value within the current range\n    function setValuesFromMousePosition (e) {\n      const barW = bar.w, // local copies for YUI compressor\n        barH = bar.h;\n      let locX = e.pageX - offset.l,\n        locY = e.pageY - offset.t;\n      // keep the arrow within the bounds of the bar\n      if (locX < 0) locX = 0;\n      else if (locX > barW) locX = barW;\n      if (locY < 0) locY = 0;\n      else if (locY > barH) locY = barH;\n      val.call($this, 'xy', {x: ((locX / barW) * rangeX) + minX, y: ((locY / barH) * rangeY) + minY});\n    }\n    function draw () {\n      const\n        barW = bar.w,\n        barH = bar.h,\n        arrowW = arrow.w,\n        arrowH = arrow.h;\n      let arrowOffsetX = 0,\n        arrowOffsetY = 0;\n      setTimeout(function () {\n        if (rangeX > 0) { // range is greater than zero\n          // constrain to bounds\n          if (x === maxX) arrowOffsetX = barW;\n          else arrowOffsetX = ((x / rangeX) * barW) | 0;\n        }\n        if (rangeY > 0) { // range is greater than zero\n          // constrain to bounds\n          if (y === maxY) arrowOffsetY = barH;\n          else arrowOffsetY = ((y / rangeY) * barH) | 0;\n        }\n        // if arrow width is greater than bar width, center arrow and prevent horizontal dragging\n        if (arrowW >= barW) arrowOffsetX = (barW >> 1) - (arrowW >> 1); // number >> 1 - superfast bitwise divide by two and truncate (move bits over one bit discarding lowest)\n        else arrowOffsetX -= arrowW >> 1;\n        // if arrow height is greater than bar height, center arrow and prevent vertical dragging\n        if (arrowH >= barH) arrowOffsetY = (barH >> 1) - (arrowH >> 1);\n        else arrowOffsetY -= arrowH >> 1;\n        // set the arrow position based on these offsets\n        arrow.css({left: arrowOffsetX + 'px', top: arrowOffsetY + 'px'});\n      }, 0);\n    }\n    function val (name, value, context) {\n      const set = value !== undefined;\n      if (!set) {\n        if (name === undefined || name == null) name = 'xy';\n        switch (name.toLowerCase()) {\n        case 'x': return x;\n        case 'y': return y;\n        case 'xy':\n        default: return {x, y};\n        }\n      }\n      if (context != null && context === $this) return;\n      let changed = false;\n\n      let newX, newY;\n      if (name == null) name = 'xy';\n      switch (name.toLowerCase()) {\n      case 'x':\n        newX = (value && ((value.x && value.x | 0) || value | 0)) || 0;\n        break;\n      case 'y':\n        newY = (value && ((value.y && value.y | 0) || value | 0)) || 0;\n        break;\n      case 'xy':\n      default:\n        newX = (value && value.x && value.x | 0) || 0;\n        newY = (value && value.y && value.y | 0) || 0;\n        break;\n      }\n      if (newX != null) {\n        if (newX < minX) newX = minX;\n        else if (newX > maxX) newX = maxX;\n        if (x !== newX) {\n          x = newX;\n          changed = true;\n        }\n      }\n      if (newY != null) {\n        if (newY < minY) newY = minY;\n        else if (newY > maxY) newY = maxY;\n        if (y !== newY) {\n          y = newY;\n          changed = true;\n        }\n      }\n      changed && fireChangeEvents.call($this, context || $this);\n    }\n    function range (name, value) {\n      const set = value !== undefined;\n      if (!set) {\n        if (name === undefined || name == null) name = 'all';\n        switch (name.toLowerCase()) {\n        case 'minx': return minX;\n        case 'maxx': return maxX;\n        case 'rangex': return {minX, maxX, rangeX};\n        case 'miny': return minY;\n        case 'maxy': return maxY;\n        case 'rangey': return {minY, maxY, rangeY};\n        case 'all':\n        default: return {minX, maxX, rangeX, minY, maxY, rangeY};\n        }\n      }\n      let // changed = false,\n        newMinX,\n        newMaxX,\n        newMinY,\n        newMaxY;\n      if (name == null) name = 'all';\n      switch (name.toLowerCase()) {\n      case 'minx':\n        newMinX = (value && ((value.minX && value.minX | 0) || value | 0)) || 0;\n        break;\n      case 'maxx':\n        newMaxX = (value && ((value.maxX && value.maxX | 0) || value | 0)) || 0;\n        break;\n      case 'rangex':\n        newMinX = (value && value.minX && value.minX | 0) || 0;\n        newMaxX = (value && value.maxX && value.maxX | 0) || 0;\n        break;\n      case 'miny':\n        newMinY = (value && ((value.minY && value.minY | 0) || value | 0)) || 0;\n        break;\n      case 'maxy':\n        newMaxY = (value && ((value.maxY && value.maxY | 0) || value | 0)) || 0;\n        break;\n      case 'rangey':\n        newMinY = (value && value.minY && value.minY | 0) || 0;\n        newMaxY = (value && value.maxY && value.maxY | 0) || 0;\n        break;\n      case 'all':\n      default:\n        newMinX = (value && value.minX && value.minX | 0) || 0;\n        newMaxX = (value && value.maxX && value.maxX | 0) || 0;\n        newMinY = (value && value.minY && value.minY | 0) || 0;\n        newMaxY = (value && value.maxY && value.maxY | 0) || 0;\n        break;\n      }\n      if (newMinX != null && minX !== newMinX) {\n        minX = newMinX;\n        rangeX = maxX - minX;\n      }\n      if (newMaxX != null && maxX !== newMaxX) {\n        maxX = newMaxX;\n        rangeX = maxX - minX;\n      }\n      if (newMinY != null && minY !== newMinY) {\n        minY = newMinY;\n        rangeY = maxY - minY;\n      }\n      if (newMaxY != null && maxY !== newMaxY) {\n        maxY = newMaxY;\n        rangeY = maxY - minY;\n      }\n    }\n    function bind (callback) {\n      if (typeof callback === 'function') changeEvents.push(callback);\n    }\n    function unbind (callback) {\n      if (typeof callback !== 'function') return;\n      let i;\n      while ((i = changeEvents.includes(callback))) changeEvents.splice(i, 1);\n    }\n    function destroy () {\n      // unbind all possible events and null objects\n      $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);\n      bar.unbind('mousedown', mouseDown);\n      bar = null;\n      arrow = null;\n      changeEvents = null;\n    }\n    let offset,\n      timeout,\n      x = 0,\n      y = 0,\n      minX = 0,\n      maxX = 100,\n      rangeX = 100,\n      minY = 0,\n      maxY = 100,\n      rangeY = 100,\n      arrow = bar.find('img:first'), // the arrow image to drag\n      changeEvents = [];\n\n    $.extend(true, $this, // public properties, methods, and event bindings - these we need to access from other controls\n      {\n        val,\n        range,\n        bind,\n        unbind,\n        destroy\n      }\n    );\n    // initialize this control\n    arrow.src = options.arrow && options.arrow.image;\n    arrow.w = (options.arrow && options.arrow.width) || arrow.width();\n    arrow.h = (options.arrow && options.arrow.height) || arrow.height();\n    bar.w = (options.map && options.map.width) || bar.width();\n    bar.h = (options.map && options.map.height) || bar.height();\n    // bind mousedown event\n    bar.bind('mousedown', mouseDown);\n    bind.call($this, draw);\n  }\n  // controls for all the input elements for the typing in color values\n  function ColorValuePicker (picker, color, bindedHex, alphaPrecision) {\n    const $this = this; // private properties and methods\n    const inputs = picker.find('td.Text input');\n    // input box key down - use arrows to alter color\n    function keyDown (e) {\n      if (e.target.value === '' && e.target !== hex.get(0) && ((bindedHex != null && e.target !== bindedHex.get(0)) || bindedHex == null)) return;\n      if (!validateKey(e)) return e;\n      switch (e.target) {\n      case red.get(0):\n        switch (e.keyCode) {\n        case 38:\n          red.val(setValueInRange.call($this, (red.val() << 0) + 1, 0, 255));\n          color.val('r', red.val(), e.target);\n          return false;\n        case 40:\n          red.val(setValueInRange.call($this, (red.val() << 0) - 1, 0, 255));\n          color.val('r', red.val(), e.target);\n          return false;\n        }\n        break;\n      case green.get(0):\n        switch (e.keyCode) {\n        case 38:\n          green.val(setValueInRange.call($this, (green.val() << 0) + 1, 0, 255));\n          color.val('g', green.val(), e.target);\n          return false;\n        case 40:\n          green.val(setValueInRange.call($this, (green.val() << 0) - 1, 0, 255));\n          color.val('g', green.val(), e.target);\n          return false;\n        }\n        break;\n      case blue.get(0):\n        switch (e.keyCode) {\n        case 38:\n          blue.val(setValueInRange.call($this, (blue.val() << 0) + 1, 0, 255));\n          color.val('b', blue.val(), e.target);\n          return false;\n        case 40:\n          blue.val(setValueInRange.call($this, (blue.val() << 0) - 1, 0, 255));\n          color.val('b', blue.val(), e.target);\n          return false;\n        }\n        break;\n      case alpha && alpha.get(0):\n        switch (e.keyCode) {\n        case 38:\n          alpha.val(setValueInRange.call($this, parseFloat(alpha.val()) + 1, 0, 100));\n          color.val('a', toFixedNumeric((alpha.val() * 255) / 100, alphaPrecision), e.target);\n          return false;\n        case 40:\n          alpha.val(setValueInRange.call($this, parseFloat(alpha.val()) - 1, 0, 100));\n          color.val('a', toFixedNumeric((alpha.val() * 255) / 100, alphaPrecision), e.target);\n          return false;\n        }\n        break;\n      case hue.get(0):\n        switch (e.keyCode) {\n        case 38:\n          hue.val(setValueInRange.call($this, (hue.val() << 0) + 1, 0, 360));\n          color.val('h', hue.val(), e.target);\n          return false;\n        case 40:\n          hue.val(setValueInRange.call($this, (hue.val() << 0) - 1, 0, 360));\n          color.val('h', hue.val(), e.target);\n          return false;\n        }\n        break;\n      case saturation.get(0):\n        switch (e.keyCode) {\n        case 38:\n          saturation.val(setValueInRange.call($this, (saturation.val() << 0) + 1, 0, 100));\n          color.val('s', saturation.val(), e.target);\n          return false;\n        case 40:\n          saturation.val(setValueInRange.call($this, (saturation.val() << 0) - 1, 0, 100));\n          color.val('s', saturation.val(), e.target);\n          return false;\n        }\n        break;\n      case value.get(0):\n        switch (e.keyCode) {\n        case 38:\n          value.val(setValueInRange.call($this, (value.val() << 0) + 1, 0, 100));\n          color.val('v', value.val(), e.target);\n          return false;\n        case 40:\n          value.val(setValueInRange.call($this, (value.val() << 0) - 1, 0, 100));\n          color.val('v', value.val(), e.target);\n          return false;\n        }\n        break;\n      }\n    }\n    // input box key up - validate value and set color\n    function keyUp (e) {\n      if (e.target.value === '' && e.target !== hex.get(0) &&\n        ((bindedHex != null && e.target !== bindedHex.get(0)) ||\n        bindedHex == null)) return;\n      if (!validateKey(e)) return e;\n      switch (e.target) {\n      case red.get(0):\n        red.val(setValueInRange.call($this, red.val(), 0, 255));\n        color.val('r', red.val(), e.target);\n        break;\n      case green.get(0):\n        green.val(setValueInRange.call($this, green.val(), 0, 255));\n        color.val('g', green.val(), e.target);\n        break;\n      case blue.get(0):\n        blue.val(setValueInRange.call($this, blue.val(), 0, 255));\n        color.val('b', blue.val(), e.target);\n        break;\n      case alpha && alpha.get(0):\n        alpha.val(setValueInRange.call($this, alpha.val(), 0, 100));\n        color.val('a', toFixedNumeric((alpha.val() * 255) / 100, alphaPrecision), e.target);\n        break;\n      case hue.get(0):\n        hue.val(setValueInRange.call($this, hue.val(), 0, 360));\n        color.val('h', hue.val(), e.target);\n        break;\n      case saturation.get(0):\n        saturation.val(setValueInRange.call($this, saturation.val(), 0, 100));\n        color.val('s', saturation.val(), e.target);\n        break;\n      case value.get(0):\n        value.val(setValueInRange.call($this, value.val(), 0, 100));\n        color.val('v', value.val(), e.target);\n        break;\n      case hex.get(0):\n        hex.val(hex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 6));\n        bindedHex && bindedHex.val(hex.val());\n        color.val('hex', hex.val() !== '' ? hex.val() : null, e.target);\n        break;\n      case bindedHex && bindedHex.get(0):\n        bindedHex.val(bindedHex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 6));\n        hex.val(bindedHex.val());\n        color.val('hex', bindedHex.val() !== '' ? bindedHex.val() : null, e.target);\n        break;\n      case ahex && ahex.get(0):\n        ahex.val(ahex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 2));\n        color.val('a', ahex.val() != null ? parseInt(ahex.val(), 16) : null, e.target);\n        break;\n      }\n    }\n    // input box blur - reset to original if value empty\n    function blur (e) {\n      if (color.val() != null) {\n        switch (e.target) {\n        case red.get(0): red.val(color.val('r')); break;\n        case green.get(0): green.val(color.val('g')); break;\n        case blue.get(0): blue.val(color.val('b')); break;\n        case alpha && alpha.get(0): alpha.val(toFixedNumeric((color.val('a') * 100) / 255, alphaPrecision)); break;\n        case hue.get(0): hue.val(color.val('h')); break;\n        case saturation.get(0): saturation.val(color.val('s')); break;\n        case value.get(0): value.val(color.val('v')); break;\n        case hex.get(0):\n        case bindedHex && bindedHex.get(0):\n          hex.val(color.val('hex'));\n          bindedHex && bindedHex.val(color.val('hex'));\n          break;\n        case ahex && ahex.get(0): ahex.val(color.val('ahex').substring(6)); break;\n        }\n      }\n    }\n    function validateKey (e) {\n      switch (e.keyCode) {\n      case 9:\n      case 16:\n      case 29:\n      case 37:\n      case 39:\n        return false;\n      case 'c'.charCodeAt():\n      case 'v'.charCodeAt():\n        if (e.ctrlKey) return false;\n      }\n      return true;\n    }\n    // constrain value within range\n    function setValueInRange (value, min, max) {\n      if (value === '' || isNaN(value)) return min;\n      if (value > max) return max;\n      if (value < min) return min;\n      return value;\n    }\n    function colorChanged (ui, context) {\n      const all = ui.val('all');\n      if (context !== red.get(0)) red.val(all != null ? all.r : '');\n      if (context !== green.get(0)) green.val(all != null ? all.g : '');\n      if (context !== blue.get(0)) blue.val(all != null ? all.b : '');\n      if (alpha && context !== alpha.get(0)) alpha.val(all != null ? toFixedNumeric((all.a * 100) / 255, alphaPrecision) : '');\n      if (context !== hue.get(0)) hue.val(all != null ? all.h : '');\n      if (context !== saturation.get(0)) saturation.val(all != null ? all.s : '');\n      if (context !== value.get(0)) value.val(all != null ? all.v : '');\n      if (context !== hex.get(0) && ((bindedHex && context !== bindedHex.get(0)) || !bindedHex)) hex.val(all != null ? all.hex : '');\n      if (bindedHex && context !== bindedHex.get(0) && context !== hex.get(0)) bindedHex.val(all != null ? all.hex : '');\n      if (ahex && context !== ahex.get(0)) ahex.val(all != null ? all.ahex.substring(6) : '');\n    }\n    function destroy () {\n      // unbind all events and null objects\n      red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).add(hex).add(bindedHex).add(ahex).unbind('keyup', keyUp).unbind('blur', blur);\n      red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).unbind('keydown', keyDown);\n      color.unbind(colorChanged);\n      red = null;\n      green = null;\n      blue = null;\n      alpha = null;\n      hue = null;\n      saturation = null;\n      value = null;\n      hex = null;\n      ahex = null;\n    }\n    let\n      red = inputs.eq(3),\n      green = inputs.eq(4),\n      blue = inputs.eq(5),\n      alpha = inputs.length > 7 ? inputs.eq(6) : null,\n      hue = inputs.eq(0),\n      saturation = inputs.eq(1),\n      value = inputs.eq(2),\n      hex = inputs.eq(inputs.length > 7 ? 7 : 6),\n      ahex = inputs.length > 7 ? inputs.eq(8) : null;\n    $.extend(true, $this, {\n      // public properties and methods\n      destroy\n    });\n    red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).add(hex).add(bindedHex).add(ahex).bind('keyup', keyUp).bind('blur', blur);\n    red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).bind('keydown', keyDown);\n    color.bind(colorChanged);\n  }\n\n  /**\n  * @typedef {PlainObject} module:jPicker.JPickerInit\n  * @property {Integer} a\n  * @property {Integer} b\n  * @property {Integer} g\n  * @property {Integer} h\n  * @property {Integer} r\n  * @property {Integer} s\n  * @property {Integer} v\n  * @property {string} hex\n  * @property {string} ahex\n  */\n\n  /**\n  * @namespace {PlainObject} jPicker\n  * @memberof external:jQuery\n  */\n  $.jPicker = /** @lends external:jQuery.jPicker */ {\n    /**\n    * Array holding references to each active instance of the jPicker control\n    * @type {external:jQuery.fn.$.fn.jPicker[]}\n    */\n    List: [],\n    /**\n    * Color object - we will be able to assign by any color space type or\n    * retrieve any color space info.\n    * We want this public so we can optionally assign new color objects to\n    * initial values using inputs other than a string hex value (also supported)\n    * Note: JSDoc didn't document when expressed here as an ES6 Class.\n    * @namespace\n    * @class\n    * @memberof external:jQuery.jPicker\n    * @param {module:jPicker.JPickerInit} init\n    */\n    Color: function (init) {\n      const $this = this;\n      function fireChangeEvents (context) {\n        for (let i = 0; i < changeEvents.length; i++) changeEvents[i].call($this, $this, context);\n      }\n      function val (name, value, context) {\n        // Kind of ugly\n        const set = Boolean(value);\n        if (set && value.ahex === '') value.ahex = '00000000';\n        if (!set) {\n          if (name === undefined || name == null || name === '') name = 'all';\n          if (r == null) return null;\n          switch (name.toLowerCase()) {\n          case 'ahex': return ColorMethods.rgbaToHex({r, g, b, a});\n          case 'hex': return val('ahex').substring(0, 6);\n          case 'all': return {r, g, b, a, h, s, v, hex: val.call($this, 'hex'), ahex: val.call($this, 'ahex')};\n          default:\n            let ret = {};\n            for (let i = 0; i < name.length; i++) {\n              switch (name.charAt(i)) {\n              case 'r':\n                if (name.length === 1) ret = r;\n                else ret.r = r;\n                break;\n              case 'g':\n                if (name.length === 1) ret = g;\n                else ret.g = g;\n                break;\n              case 'b':\n                if (name.length === 1) ret = b;\n                else ret.b = b;\n                break;\n              case 'a':\n                if (name.length === 1) ret = a;\n                else ret.a = a;\n                break;\n              case 'h':\n                if (name.length === 1) ret = h;\n                else ret.h = h;\n                break;\n              case 's':\n                if (name.length === 1) ret = s;\n                else ret.s = s;\n                break;\n              case 'v':\n                if (name.length === 1) ret = v;\n                else ret.v = v;\n                break;\n              }\n            }\n            return !name.length ? val.call($this, 'all') : ret;\n          }\n        }\n        if (context != null && context === $this) return;\n        if (name == null) name = '';\n\n        let changed = false;\n        if (value == null) {\n          if (r != null) {\n            r = null;\n            changed = true;\n          }\n          if (g != null) {\n            g = null;\n            changed = true;\n          }\n          if (b != null) {\n            b = null;\n            changed = true;\n          }\n          if (a != null) {\n            a = null;\n            changed = true;\n          }\n          if (h != null) {\n            h = null;\n            changed = true;\n          }\n          if (s != null) {\n            s = null;\n            changed = true;\n          }\n          if (v != null) {\n            v = null;\n            changed = true;\n          }\n          changed && fireChangeEvents.call($this, context || $this);\n          return;\n        }\n        switch (name.toLowerCase()) {\n        case 'ahex':\n        case 'hex':\n          const ret = ColorMethods.hexToRgba((value && (value.ahex || value.hex)) || value || 'none');\n          val.call($this, 'rgba', {r: ret.r, g: ret.g, b: ret.b, a: name === 'ahex' ? ret.a : a != null ? a : 255}, context);\n          break;\n        default:\n          if (value && (value.ahex != null || value.hex != null)) {\n            val.call($this, 'ahex', value.ahex || value.hex || '00000000', context);\n            return;\n          }\n          const newV = {};\n          let rgb = false, hsv = false;\n          if (value.r !== undefined && !name.includes('r')) name += 'r';\n          if (value.g !== undefined && !name.includes('g')) name += 'g';\n          if (value.b !== undefined && !name.includes('b')) name += 'b';\n          if (value.a !== undefined && !name.includes('a')) name += 'a';\n          if (value.h !== undefined && !name.includes('h')) name += 'h';\n          if (value.s !== undefined && !name.includes('s')) name += 's';\n          if (value.v !== undefined && !name.includes('v')) name += 'v';\n          for (let i = 0; i < name.length; i++) {\n            switch (name.charAt(i)) {\n            case 'r':\n              if (hsv) continue;\n              rgb = true;\n              newV.r = (value.r && value.r | 0) || (value | 0) || 0;\n              if (newV.r < 0) newV.r = 0;\n              else if (newV.r > 255) newV.r = 255;\n              if (r !== newV.r) {\n                ({r} = newV);\n                changed = true;\n              }\n              break;\n            case 'g':\n              if (hsv) continue;\n              rgb = true;\n              newV.g = (value && value.g && value.g | 0) || (value && value | 0) || 0;\n              if (newV.g < 0) newV.g = 0;\n              else if (newV.g > 255) newV.g = 255;\n              if (g !== newV.g) {\n                ({g} = newV);\n                changed = true;\n              }\n              break;\n            case 'b':\n              if (hsv) continue;\n              rgb = true;\n              newV.b = (value && value.b && value.b | 0) || (value && value | 0) || 0;\n              if (newV.b < 0) newV.b = 0;\n              else if (newV.b > 255) newV.b = 255;\n              if (b !== newV.b) {\n                ({b} = newV);\n                changed = true;\n              }\n              break;\n            case 'a':\n              newV.a = value && value.a != null ? value.a | 0 : value | 0;\n              if (newV.a < 0) newV.a = 0;\n              else if (newV.a > 255) newV.a = 255;\n              if (a !== newV.a) {\n                ({a} = newV);\n                changed = true;\n              }\n              break;\n            case 'h':\n              if (rgb) continue;\n              hsv = true;\n              newV.h = (value && value.h && value.h | 0) || (value && value | 0) || 0;\n              if (newV.h < 0) newV.h = 0;\n              else if (newV.h > 360) newV.h = 360;\n              if (h !== newV.h) {\n                ({h} = newV);\n                changed = true;\n              }\n              break;\n            case 's':\n              if (rgb) continue;\n              hsv = true;\n              newV.s = value.s != null ? value.s | 0 : value | 0;\n              if (newV.s < 0) newV.s = 0;\n              else if (newV.s > 100) newV.s = 100;\n              if (s !== newV.s) {\n                ({s} = newV);\n                changed = true;\n              }\n              break;\n            case 'v':\n              if (rgb) continue;\n              hsv = true;\n              newV.v = value.v != null ? value.v | 0 : value | 0;\n              if (newV.v < 0) newV.v = 0;\n              else if (newV.v > 100) newV.v = 100;\n              if (v !== newV.v) {\n                ({v} = newV);\n                changed = true;\n              }\n              break;\n            }\n          }\n          if (changed) {\n            if (rgb) {\n              r = r || 0;\n              g = g || 0;\n              b = b || 0;\n              const ret = ColorMethods.rgbToHsv({r, g, b});\n              ({h, s, v} = ret);\n            } else if (hsv) {\n              h = h || 0;\n              s = s != null ? s : 100;\n              v = v != null ? v : 100;\n              const ret = ColorMethods.hsvToRgb({h, s, v});\n              ({r, g, b} = ret);\n            }\n            a = a != null ? a : 255;\n            fireChangeEvents.call($this, context || $this);\n          }\n          break;\n        }\n      }\n      function bind (callback) {\n        if (typeof callback === 'function') changeEvents.push(callback);\n      }\n      function unbind (callback) {\n        if (typeof callback !== 'function') return;\n        let i;\n        while ((i = changeEvents.includes(callback))) {\n          changeEvents.splice(i, 1);\n        }\n      }\n      function destroy () {\n        changeEvents = null;\n      }\n      let r, g, b, a, h, s, v, changeEvents = [];\n\n      $.extend(true, $this, {\n        // public properties and methods\n        val,\n        bind,\n        unbind,\n        destroy\n      });\n      if (init) {\n        if (init.ahex != null) {\n          val('ahex', init);\n        } else if (init.hex != null) {\n          val(\n            (init.a != null ? 'a' : '') + 'hex',\n            init.a != null\n              ? {ahex: init.hex + ColorMethods.intToHex(init.a)}\n              : init\n          );\n        } else if (init.r != null && init.g != null && init.b != null) {\n          val('rgb' + (init.a != null ? 'a' : ''), init);\n        } else if (init.h != null && init.s != null && init.v != null) {\n          val('hsv' + (init.a != null ? 'a' : ''), init);\n        }\n      }\n    },\n    /**\n    * color conversion methods  - make public to give use to external scripts\n    * @namespace\n    */\n    ColorMethods: {\n      /**\n      * @typedef {PlainObject} module:jPicker.RGBA\n      * @property {Integer} r\n      * @property {Integer} g\n      * @property {Integer} b\n      * @property {Integer} a\n      */\n      /**\n      * @typedef {PlainObject} module:jPicker.RGB\n      * @property {Integer} r\n      * @property {Integer} g\n      * @property {Integer} b\n      */\n      /**\n      * @param {string} hex\n      * @returns {module:jPicker.RGBA}\n      */\n      hexToRgba (hex) {\n        if (hex === '' || hex === 'none') return {r: null, g: null, b: null, a: null};\n        hex = this.validateHex(hex);\n        let r = '00', g = '00', b = '00', a = '255';\n        if (hex.length === 6) hex += 'ff';\n        if (hex.length > 6) {\n          r = hex.substring(0, 2);\n          g = hex.substring(2, 4);\n          b = hex.substring(4, 6);\n          a = hex.substring(6, hex.length);\n        } else {\n          if (hex.length > 4) {\n            r = hex.substring(4, hex.length);\n            hex = hex.substring(0, 4);\n          }\n          if (hex.length > 2) {\n            g = hex.substring(2, hex.length);\n            hex = hex.substring(0, 2);\n          }\n          if (hex.length > 0) b = hex.substring(0, hex.length);\n        }\n        return {\n          r: this.hexToInt(r), g: this.hexToInt(g), b: this.hexToInt(b), a: this.hexToInt(a)\n        };\n      },\n      /**\n      * @param {string} hex\n      * @returns {string}\n      */\n      validateHex (hex) {\n        // if (typeof hex === 'object') return '';\n        hex = hex.toLowerCase().replace(/[^a-f0-9]/g, '');\n        if (hex.length > 8) hex = hex.substring(0, 8);\n        return hex;\n      },\n      /**\n      * @param {module:jPicker.RGBA} rgba\n      * @returns {string}\n      */\n      rgbaToHex (rgba) {\n        return this.intToHex(rgba.r) + this.intToHex(rgba.g) + this.intToHex(rgba.b) + this.intToHex(rgba.a);\n      },\n      /**\n      * @param {Integer} dec\n      * @returns {string}\n      */\n      intToHex (dec) {\n        let result = (dec | 0).toString(16);\n        if (result.length === 1) result = ('0' + result);\n        return result.toLowerCase();\n      },\n      /**\n      * @param {string} hex\n      * @returns {Integer}\n      */\n      hexToInt (hex) {\n        return parseInt(hex, 16);\n      },\n      /**\n      * @typedef {PlainObject} module:jPicker.HSV\n      * @property {Integer} h\n      * @property {Integer} s\n      * @property {Integer} v\n      */\n      /**\n      * @param {module:jPicker.RGB} rgb\n      * @returns {module:jPicker.HSV}\n      */\n      rgbToHsv (rgb) {\n        const r = rgb.r / 255, g = rgb.g / 255, b = rgb.b / 255, hsv = {h: 0, s: 0, v: 0};\n        let min = 0, max = 0;\n        if (r >= g && r >= b) {\n          max = r;\n          min = g > b ? b : g;\n        } else if (g >= b && g >= r) {\n          max = g;\n          min = r > b ? b : r;\n        } else {\n          max = b;\n          min = g > r ? r : g;\n        }\n        hsv.v = max;\n        hsv.s = max ? (max - min) / max : 0;\n        let delta;\n        if (!hsv.s) hsv.h = 0;\n        else {\n          delta = max - min;\n          if (r === max) hsv.h = (g - b) / delta;\n          else if (g === max) hsv.h = 2 + (b - r) / delta;\n          else hsv.h = 4 + (r - g) / delta;\n          hsv.h = parseInt(hsv.h * 60);\n          if (hsv.h < 0) hsv.h += 360;\n        }\n        hsv.s = (hsv.s * 100) | 0;\n        hsv.v = (hsv.v * 100) | 0;\n        return hsv;\n      },\n      /**\n      * @param {module:jPicker.HSV} hsv\n      * @returns {module:jPicker.RGB}\n      */\n      hsvToRgb (hsv) {\n        const rgb = {r: 0, g: 0, b: 0, a: 100};\n        let {h, s, v} = hsv;\n        if (s === 0) {\n          if (v === 0) rgb.r = rgb.g = rgb.b = 0;\n          else rgb.r = rgb.g = rgb.b = (v * 255 / 100) | 0;\n        } else {\n          if (h === 360) h = 0;\n          h /= 60;\n          s = s / 100;\n          v = v / 100;\n          const i = h | 0,\n            f = h - i,\n            p = v * (1 - s),\n            q = v * (1 - (s * f)),\n            t = v * (1 - (s * (1 - f)));\n          switch (i) {\n          case 0:\n            rgb.r = v;\n            rgb.g = t;\n            rgb.b = p;\n            break;\n          case 1:\n            rgb.r = q;\n            rgb.g = v;\n            rgb.b = p;\n            break;\n          case 2:\n            rgb.r = p;\n            rgb.g = v;\n            rgb.b = t;\n            break;\n          case 3:\n            rgb.r = p;\n            rgb.g = q;\n            rgb.b = v;\n            break;\n          case 4:\n            rgb.r = t;\n            rgb.g = p;\n            rgb.b = v;\n            break;\n          case 5:\n            rgb.r = v;\n            rgb.g = p;\n            rgb.b = q;\n            break;\n          }\n          rgb.r = (rgb.r * 255) | 0;\n          rgb.g = (rgb.g * 255) | 0;\n          rgb.b = (rgb.b * 255) | 0;\n        }\n        return rgb;\n      }\n    }\n  };\n  const {Color, List, ColorMethods} = $.jPicker; // local copies for YUI compressor\n  /**\n   * @function external:jQuery.fn.jPicker\n   * @see {@link external:jQuery.fn.$.fn.jPicker}\n   */\n  /**\n  * While it would seem this should specify the name `jPicker` for JSDoc, that doesn't\n  *   get us treated as a function as well as a namespace (even with `@function name`),\n  *   so we use an approach to add a redundant `$.fn.` in the name.\n  * @namespace\n  * @memberof external:jQuery.fn\n  * @param {external:jQuery.fn.jPickerOptions} options\n  * @returns {external:jQuery}\n  */\n  $.fn.jPicker = function (options) {\n    const $arguments = arguments;\n    return this.each(function () {\n      const $this = this, settings = $.extend(true, {}, $.fn.jPicker.defaults, options); // local copies for YUI compressor\n      if ($($this).get(0).nodeName.toLowerCase() === 'input') { // Add color picker icon if binding to an input element and bind the events to the input\n        $.extend(true, settings, {\n          window: {\n            bindToInput: true,\n            expandable: true,\n            input: $($this)\n          }\n        });\n        if ($($this).val() === '') {\n          settings.color.active = new Color({hex: null});\n          settings.color.current = new Color({hex: null});\n        } else if (ColorMethods.validateHex($($this).val())) {\n          settings.color.active = new Color({hex: $($this).val(), a: settings.color.active.val('a')});\n          settings.color.current = new Color({hex: $($this).val(), a: settings.color.active.val('a')});\n        }\n      }\n      if (settings.window.expandable) {\n        $($this).after('<span class=\"jPicker\"><span class=\"Icon\"><span class=\"Color\">&nbsp;</span><span class=\"Alpha\">&nbsp;</span><span class=\"Image\" title=\"Click To Open Color Picker\">&nbsp;</span><span class=\"Container\">&nbsp;</span></span></span>');\n      } else {\n        settings.window.liveUpdate = false; // Basic control binding for inline use - You will need to override the liveCallback or commitCallback function to retrieve results\n      }\n      const isLessThanIE7 = parseFloat(navigator.appVersion.split('MSIE')[1]) < 7 && document.body.filters; // needed to run the AlphaImageLoader function for IE6\n      // set color mode and update visuals for the new color mode\n      /**\n       *\n       * @param {\"h\"|\"s\"|\"v\"|\"r\"|\"g\"|\"b\"|\"a\"} colorMode [description]\n       * @throws {Error} Invalid mode\n       */\n      function setColorMode (colorMode) {\n        const {active} = color, // local copies for YUI compressor\n          // {clientPath} = images,\n          hex = active.val('hex');\n        let rgbMap, rgbBar;\n        settings.color.mode = colorMode;\n        switch (colorMode) {\n        case 'h':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, 'transparent');\n            setImgLoc.call($this, colorMapL1, 0);\n            setAlpha.call($this, colorMapL1, 100);\n            setImgLoc.call($this, colorMapL2, 260);\n            setAlpha.call($this, colorMapL2, 100);\n            setBG.call($this, colorBarDiv, 'transparent');\n            setImgLoc.call($this, colorBarL1, 0);\n            setAlpha.call($this, colorBarL1, 100);\n            setImgLoc.call($this, colorBarL2, 260);\n            setAlpha.call($this, colorBarL2, 100);\n            setImgLoc.call($this, colorBarL3, 260);\n            setAlpha.call($this, colorBarL3, 100);\n            setImgLoc.call($this, colorBarL4, 260);\n            setAlpha.call($this, colorBarL4, 100);\n            setImgLoc.call($this, colorBarL6, 260);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          colorMap.range('all', {minX: 0, maxX: 100, minY: 0, maxY: 100});\n          colorBar.range('rangeY', {minY: 0, maxY: 360});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('s'), y: 100 - active.val('v')}, colorMap);\n          colorBar.val('y', 360 - active.val('h'), colorBar);\n          break;\n        case 's':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, 'transparent');\n            setImgLoc.call($this, colorMapL1, -260);\n            setImgLoc.call($this, colorMapL2, -520);\n            setImgLoc.call($this, colorBarL1, -260);\n            setImgLoc.call($this, colorBarL2, -520);\n            setImgLoc.call($this, colorBarL6, 260);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          colorMap.range('all', {minX: 0, maxX: 360, minY: 0, maxY: 100});\n          colorBar.range('rangeY', {minY: 0, maxY: 100});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('h'), y: 100 - active.val('v')}, colorMap);\n          colorBar.val('y', 100 - active.val('s'), colorBar);\n          break;\n        case 'v':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, '000000');\n            setImgLoc.call($this, colorMapL1, -780);\n            setImgLoc.call($this, colorMapL2, 260);\n            setBG.call($this, colorBarDiv, hex);\n            setImgLoc.call($this, colorBarL1, -520);\n            setImgLoc.call($this, colorBarL2, 260);\n            setAlpha.call($this, colorBarL2, 100);\n            setImgLoc.call($this, colorBarL6, 260);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          colorMap.range('all', {minX: 0, maxX: 360, minY: 0, maxY: 100});\n          colorBar.range('rangeY', {minY: 0, maxY: 100});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('h'), y: 100 - active.val('s')}, colorMap);\n          colorBar.val('y', 100 - active.val('v'), colorBar);\n          break;\n        case 'r':\n          rgbMap = -1040;\n          rgbBar = -780;\n          colorMap.range('all', {minX: 0, maxX: 255, minY: 0, maxY: 255});\n          colorBar.range('rangeY', {minY: 0, maxY: 255});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('b'), y: 255 - active.val('g')}, colorMap);\n          colorBar.val('y', 255 - active.val('r'), colorBar);\n          break;\n        case 'g':\n          rgbMap = -1560;\n          rgbBar = -1820;\n          colorMap.range('all', {minX: 0, maxX: 255, minY: 0, maxY: 255});\n          colorBar.range('rangeY', {minY: 0, maxY: 255});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('b'), y: 255 - active.val('r')}, colorMap);\n          colorBar.val('y', 255 - active.val('g'), colorBar);\n          break;\n        case 'b':\n          rgbMap = -2080;\n          rgbBar = -2860;\n          colorMap.range('all', {minX: 0, maxX: 255, minY: 0, maxY: 255});\n          colorBar.range('rangeY', {minY: 0, maxY: 255});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('r'), y: 255 - active.val('g')}, colorMap);\n          colorBar.val('y', 255 - active.val('b'), colorBar);\n          break;\n        case 'a':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, 'transparent');\n            setImgLoc.call($this, colorMapL1, -260);\n            setImgLoc.call($this, colorMapL2, -520);\n            setImgLoc.call($this, colorBarL1, 260);\n            setImgLoc.call($this, colorBarL2, 260);\n            setAlpha.call($this, colorBarL2, 100);\n            setImgLoc.call($this, colorBarL6, 0);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          colorMap.range('all', {minX: 0, maxX: 360, minY: 0, maxY: 100});\n          colorBar.range('rangeY', {minY: 0, maxY: 255});\n          if (active.val('ahex') == null) break;\n          colorMap.val('xy', {x: active.val('h'), y: 100 - active.val('v')}, colorMap);\n          colorBar.val('y', 255 - active.val('a'), colorBar);\n          break;\n        default:\n          throw new Error('Invalid Mode');\n        }\n        switch (colorMode) {\n        case 'h':\n          break;\n        case 's':\n        case 'v':\n        case 'a':\n          setTimeout(function () {\n            setAlpha.call($this, colorMapL1, 100);\n            setAlpha.call($this, colorBarL1, 100);\n            setImgLoc.call($this, colorBarL3, 260);\n            setAlpha.call($this, colorBarL3, 100);\n            setImgLoc.call($this, colorBarL4, 260);\n            setAlpha.call($this, colorBarL4, 100);\n          }, 0);\n          break;\n        case 'r':\n        case 'g':\n        case 'b':\n          setTimeout(function () {\n            setBG.call($this, colorMapDiv, 'transparent');\n            setBG.call($this, colorBarDiv, 'transparent');\n            setAlpha.call($this, colorBarL1, 100);\n            setAlpha.call($this, colorMapL1, 100);\n            setImgLoc.call($this, colorMapL1, rgbMap);\n            setImgLoc.call($this, colorMapL2, rgbMap - 260);\n            setImgLoc.call($this, colorBarL1, rgbBar - 780);\n            setImgLoc.call($this, colorBarL2, rgbBar - 520);\n            setImgLoc.call($this, colorBarL3, rgbBar);\n            setImgLoc.call($this, colorBarL4, rgbBar - 260);\n            setImgLoc.call($this, colorBarL6, 260);\n            setAlpha.call($this, colorBarL6, 100);\n          }, 0);\n          break;\n        }\n        if (active.val('ahex') == null) return;\n        activeColorChanged.call($this, active);\n      }\n      // Update color when user changes text values\n      function activeColorChanged (ui, context) {\n        if (context == null || (context !== colorBar && context !== colorMap)) positionMapAndBarArrows.call($this, ui, context);\n        setTimeout(function () {\n          updatePreview.call($this, ui);\n          updateMapVisuals.call($this, ui);\n          updateBarVisuals.call($this, ui);\n        }, 0);\n      }\n      // user has dragged the ColorMap pointer\n      function mapValueChanged (ui, context) {\n        const {active} = color;\n        if (context !== colorMap && active.val() == null) return;\n        const xy = ui.val('all');\n        switch (settings.color.mode) {\n        case 'h':\n          active.val('sv', {s: xy.x, v: 100 - xy.y}, context);\n          break;\n        case 's':\n        case 'a':\n          active.val('hv', {h: xy.x, v: 100 - xy.y}, context);\n          break;\n        case 'v':\n          active.val('hs', {h: xy.x, s: 100 - xy.y}, context);\n          break;\n        case 'r':\n          active.val('gb', {g: 255 - xy.y, b: xy.x}, context);\n          break;\n        case 'g':\n          active.val('rb', {r: 255 - xy.y, b: xy.x}, context);\n          break;\n        case 'b':\n          active.val('rg', {r: xy.x, g: 255 - xy.y}, context);\n          break;\n        }\n      }\n      // user has dragged the ColorBar slider\n      function colorBarValueChanged (ui, context) {\n        const {active} = color;\n        if (context !== colorBar && active.val() == null) return;\n        switch (settings.color.mode) {\n        case 'h':\n          active.val('h', {h: 360 - ui.val('y')}, context);\n          break;\n        case 's':\n          active.val('s', {s: 100 - ui.val('y')}, context);\n          break;\n        case 'v':\n          active.val('v', {v: 100 - ui.val('y')}, context);\n          break;\n        case 'r':\n          active.val('r', {r: 255 - ui.val('y')}, context);\n          break;\n        case 'g':\n          active.val('g', {g: 255 - ui.val('y')}, context);\n          break;\n        case 'b':\n          active.val('b', {b: 255 - ui.val('y')}, context);\n          break;\n        case 'a':\n          active.val('a', 255 - ui.val('y'), context);\n          break;\n        }\n      }\n      // position map and bar arrows to match current color\n      function positionMapAndBarArrows (ui, context) {\n        if (context !== colorMap) {\n          switch (settings.color.mode) {\n          case 'h':\n            const sv = ui.val('sv');\n            colorMap.val('xy', {x: sv != null ? sv.s : 100, y: 100 - (sv != null ? sv.v : 100)}, context);\n            break;\n          case 's':\n          case 'a':\n            const hv = ui.val('hv');\n            colorMap.val('xy', {x: (hv && hv.h) || 0, y: 100 - (hv != null ? hv.v : 100)}, context);\n            break;\n          case 'v':\n            const hs = ui.val('hs');\n            colorMap.val('xy', {x: (hs && hs.h) || 0, y: 100 - (hs != null ? hs.s : 100)}, context);\n            break;\n          case 'r':\n            const bg = ui.val('bg');\n            colorMap.val('xy', {x: (bg && bg.b) || 0, y: 255 - ((bg && bg.g) || 0)}, context);\n            break;\n          case 'g':\n            const br = ui.val('br');\n            colorMap.val('xy', {x: (br && br.b) || 0, y: 255 - ((br && br.r) || 0)}, context);\n            break;\n          case 'b':\n            const rg = ui.val('rg');\n            colorMap.val('xy', {x: (rg && rg.r) || 0, y: 255 - ((rg && rg.g) || 0)}, context);\n            break;\n          }\n        }\n        if (context !== colorBar) {\n          switch (settings.color.mode) {\n          case 'h':\n            colorBar.val('y', 360 - (ui.val('h') || 0), context);\n            break;\n          case 's':\n            const s = ui.val('s');\n            colorBar.val('y', 100 - (s != null ? s : 100), context);\n            break;\n          case 'v':\n            const v = ui.val('v');\n            colorBar.val('y', 100 - (v != null ? v : 100), context);\n            break;\n          case 'r':\n            colorBar.val('y', 255 - (ui.val('r') || 0), context);\n            break;\n          case 'g':\n            colorBar.val('y', 255 - (ui.val('g') || 0), context);\n            break;\n          case 'b':\n            colorBar.val('y', 255 - (ui.val('b') || 0), context);\n            break;\n          case 'a':\n            const a = ui.val('a');\n            colorBar.val('y', 255 - (a != null ? a : 255), context);\n            break;\n          }\n        }\n      }\n      function updatePreview (ui) {\n        try {\n          const all = ui.val('all');\n          activePreview.css({backgroundColor: (all && '#' + all.hex) || 'transparent'});\n          setAlpha.call($this, activePreview, (all && toFixedNumeric((all.a * 100) / 255, 4)) || 0);\n        } catch (e) { }\n      }\n      function updateMapVisuals (ui) {\n        switch (settings.color.mode) {\n        case 'h':\n          setBG.call($this, colorMapDiv, new Color({h: ui.val('h') || 0, s: 100, v: 100}).val('hex'));\n          break;\n        case 's':\n        case 'a':\n          const s = ui.val('s');\n          setAlpha.call($this, colorMapL2, 100 - (s != null ? s : 100));\n          break;\n        case 'v':\n          const v = ui.val('v');\n          setAlpha.call($this, colorMapL1, v != null ? v : 100);\n          break;\n        case 'r':\n          setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('r') || 0) / 255 * 100, 4));\n          break;\n        case 'g':\n          setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('g') || 0) / 255 * 100, 4));\n          break;\n        case 'b':\n          setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('b') || 0) / 255 * 100));\n          break;\n        }\n        const a = ui.val('a');\n        setAlpha.call($this, colorMapL3, toFixedNumeric(((255 - (a || 0)) * 100) / 255, 4));\n      }\n      function updateBarVisuals (ui) {\n        switch (settings.color.mode) {\n        case 'h':\n          const a = ui.val('a');\n          setAlpha.call($this, colorBarL5, toFixedNumeric(((255 - (a || 0)) * 100) / 255, 4));\n          break;\n        case 's':\n          const hva = ui.val('hva'),\n            saturatedColor = new Color({h: (hva && hva.h) || 0, s: 100, v: hva != null ? hva.v : 100});\n          setBG.call($this, colorBarDiv, saturatedColor.val('hex'));\n          setAlpha.call($this, colorBarL2, 100 - (hva != null ? hva.v : 100));\n          setAlpha.call($this, colorBarL5, toFixedNumeric(((255 - ((hva && hva.a) || 0)) * 100) / 255, 4));\n          break;\n        case 'v':\n          const hsa = ui.val('hsa'),\n            valueColor = new Color({h: (hsa && hsa.h) || 0, s: hsa != null ? hsa.s : 100, v: 100});\n          setBG.call($this, colorBarDiv, valueColor.val('hex'));\n          setAlpha.call($this, colorBarL5, toFixedNumeric(((255 - ((hsa && hsa.a) || 0)) * 100) / 255, 4));\n          break;\n        case 'r':\n        case 'g':\n        case 'b':\n          const rgba = ui.val('rgba');\n          let hValue = 0, vValue = 0;\n          if (settings.color.mode === 'r') {\n            hValue = (rgba && rgba.b) || 0;\n            vValue = (rgba && rgba.g) || 0;\n          } else if (settings.color.mode === 'g') {\n            hValue = (rgba && rgba.b) || 0;\n            vValue = (rgba && rgba.r) || 0;\n          } else if (settings.color.mode === 'b') {\n            hValue = (rgba && rgba.r) || 0;\n            vValue = (rgba && rgba.g) || 0;\n          }\n          const middle = vValue > hValue ? hValue : vValue;\n          setAlpha.call($this, colorBarL2, hValue > vValue ? toFixedNumeric(((hValue - vValue) / (255 - vValue)) * 100, 4) : 0);\n          setAlpha.call($this, colorBarL3, vValue > hValue ? toFixedNumeric(((vValue - hValue) / (255 - hValue)) * 100, 4) : 0);\n          setAlpha.call($this, colorBarL4, toFixedNumeric((middle / 255) * 100, 4));\n          setAlpha.call($this, colorBarL5, toFixedNumeric(((255 - ((rgba && rgba.a) || 0)) * 100) / 255, 4));\n          break;\n        case 'a': {\n          const a = ui.val('a');\n          setBG.call($this, colorBarDiv, ui.val('hex') || '000000');\n          setAlpha.call($this, colorBarL5, a != null ? 0 : 100);\n          setAlpha.call($this, colorBarL6, a != null ? 100 : 0);\n          break;\n        }\n        }\n      }\n      function setBG (el, c) {\n        el.css({backgroundColor: (c && c.length === 6 && '#' + c) || 'transparent'});\n      }\n      function setImg (img, src) {\n        if (isLessThanIE7 && (src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png'))) {\n          img.attr('pngSrc', src);\n          img.css({backgroundImage: 'none', filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\\'' + src + '\\', sizingMethod=\\'scale\\')'});\n        } else img.css({backgroundImage: 'url(\\'' + src + '\\')'});\n      }\n      function setImgLoc (img, y) {\n        img.css({top: y + 'px'});\n      }\n      function setAlpha (obj, alpha) {\n        obj.css({visibility: alpha > 0 ? 'visible' : 'hidden'});\n        if (alpha > 0 && alpha < 100) {\n          if (isLessThanIE7) {\n            const src = obj.attr('pngSrc');\n            if (src != null && (\n              src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png')\n            )) {\n              obj.css({filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\\'' + src + '\\', sizingMethod=\\'scale\\') progid:DXImageTransform.Microsoft.Alpha(opacity=' + alpha + ')'});\n            } else obj.css({opacity: toFixedNumeric(alpha / 100, 4)});\n          } else obj.css({opacity: toFixedNumeric(alpha / 100, 4)});\n        } else if (alpha === 0 || alpha === 100) {\n          if (isLessThanIE7) {\n            const src = obj.attr('pngSrc');\n            if (src != null && (\n              src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png')\n            )) {\n              obj.css({filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\\'' + src + '\\', sizingMethod=\\'scale\\')'});\n            } else obj.css({opacity: ''});\n          } else obj.css({opacity: ''});\n        }\n      }\n      // revert color to original color when opened\n      function revertColor () {\n        color.active.val('ahex', color.current.val('ahex'));\n      }\n      // commit the color changes\n      function commitColor () {\n        color.current.val('ahex', color.active.val('ahex'));\n      }\n      function radioClicked (e) {\n        $(this).parents('tbody:first').find('input:radio[value!=\"' + e.target.value + '\"]').removeAttr('checked');\n        setColorMode.call($this, e.target.value);\n      }\n      function currentClicked () {\n        revertColor.call($this);\n      }\n      function cancelClicked () {\n        revertColor.call($this);\n        settings.window.expandable && hide.call($this);\n        typeof cancelCallback === 'function' && cancelCallback.call($this, color.active, cancelButton);\n      }\n      function okClicked () {\n        commitColor.call($this);\n        settings.window.expandable && hide.call($this);\n        typeof commitCallback === 'function' && commitCallback.call($this, color.active, okButton);\n      }\n      function iconImageClicked () {\n        show.call($this);\n      }\n      function currentColorChanged (ui, context) {\n        const hex = ui.val('hex');\n        currentPreview.css({backgroundColor: (hex && '#' + hex) || 'transparent'});\n        setAlpha.call($this, currentPreview, toFixedNumeric(((ui.val('a') || 0) * 100) / 255, 4));\n      }\n      function expandableColorChanged (ui, context) {\n        const hex = ui.val('hex');\n        const va = ui.val('va');\n        iconColor.css({backgroundColor: (hex && '#' + hex) || 'transparent'});\n        setAlpha.call($this, iconAlpha, toFixedNumeric(((255 - ((va && va.a) || 0)) * 100) / 255, 4));\n        if (settings.window.bindToInput && settings.window.updateInputColor) {\n          settings.window.input.css({\n            backgroundColor: (hex && '#' + hex) || 'transparent',\n            color: va == null || va.v > 75 ? '#000000' : '#ffffff'\n          });\n        }\n      }\n      function moveBarMouseDown (e) {\n        // const {element} = settings.window, // local copies for YUI compressor\n        //     {page} = settings.window;\n        elementStartX = parseInt(container.css('left'));\n        elementStartY = parseInt(container.css('top'));\n        pageStartX = e.pageX;\n        pageStartY = e.pageY;\n        // bind events to document to move window - we will unbind these on mouseup\n        $(document).bind('mousemove', documentMouseMove).bind('mouseup', documentMouseUp);\n        e.preventDefault(); // prevent attempted dragging of the column\n      }\n      function documentMouseMove (e) {\n        container.css({left: elementStartX - (pageStartX - e.pageX) + 'px', top: elementStartY - (pageStartY - e.pageY) + 'px'});\n        if (settings.window.expandable && !$.support.boxModel) container.prev().css({left: container.css('left'), top: container.css('top')});\n        e.stopPropagation();\n        e.preventDefault();\n        return false;\n      }\n      function documentMouseUp (e) {\n        $(document).unbind('mousemove', documentMouseMove).unbind('mouseup', documentMouseUp);\n        e.stopPropagation();\n        e.preventDefault();\n        return false;\n      }\n      function quickPickClicked (e) {\n        e.preventDefault();\n        e.stopPropagation();\n        color.active.val('ahex', $(this).attr('title') || null, e.target);\n        return false;\n      }\n      function show () {\n        color.current.val('ahex', color.active.val('ahex'));\n        function attachIFrame () {\n          if (!settings.window.expandable || $.support.boxModel) return;\n          const table = container.find('table:first');\n          container.before('<iframe/>');\n          container.prev().css({width: table.width(), height: container.height(), opacity: 0, position: 'absolute', left: container.css('left'), top: container.css('top')});\n        }\n        if (settings.window.expandable) {\n          $(document.body).children('div.jPicker.Container').css({zIndex: 10});\n          container.css({zIndex: 20});\n        }\n        switch (settings.window.effects.type) {\n        case 'fade':\n          container.fadeIn(settings.window.effects.speed.show, attachIFrame);\n          break;\n        case 'slide':\n          container.slideDown(settings.window.effects.speed.show, attachIFrame);\n          break;\n        case 'show':\n        default:\n          container.show(settings.window.effects.speed.show, attachIFrame);\n          break;\n        }\n      }\n      function hide () {\n        function removeIFrame () {\n          if (settings.window.expandable) container.css({zIndex: 10});\n          if (!settings.window.expandable || $.support.boxModel) return;\n          container.prev().remove();\n        }\n        switch (settings.window.effects.type) {\n        case 'fade':\n          container.fadeOut(settings.window.effects.speed.hide, removeIFrame);\n          break;\n        case 'slide':\n          container.slideUp(settings.window.effects.speed.hide, removeIFrame);\n          break;\n        case 'show':\n        default:\n          container.hide(settings.window.effects.speed.hide, removeIFrame);\n          break;\n        }\n      }\n      function initialize () {\n        const win = settings.window,\n          popup = win.expandable ? $($this).next().find('.Container:first') : null;\n        container = win.expandable ? $('<div/>') : $($this);\n        container.addClass('jPicker Container');\n        if (win.expandable) container.hide();\n        container.get(0).onselectstart = function (event) { if (event.target.nodeName.toLowerCase() !== 'input') return false; };\n        // inject html source code - we are using a single table for this control - I know tables are considered bad, but it takes care of equal height columns and\n        // this control really is tabular data, so I believe it is the right move\n        const all = color.active.val('all');\n        if (win.alphaPrecision < 0) win.alphaPrecision = 0;\n        else if (win.alphaPrecision > 2) win.alphaPrecision = 2;\n        const controlHtml = `<table class=\"jPicker\" cellpadding=\"0\" cellspacing=\"0\">\n          <tbody>\n            ${win.expandable ? `<tr><td class=\"Move\" colspan=\"5\">&nbsp;</td></tr>` : ''}\n            <tr>\n              <td rowspan=\"9\"><h2 class=\"Title\">${win.title || localization.text.title}</h2><div class=\"Map\"><span class=\"Map1\">&nbsp;</span><span class=\"Map2\">&nbsp;</span><span class=\"Map3\">&nbsp;</span><img src=\"${images.clientPath + images.colorMap.arrow.file}\" class=\"Arrow\"/></div></td>\n              <td rowspan=\"9\"><div class=\"Bar\"><span class=\"Map1\">&nbsp;</span><span class=\"Map2\">&nbsp;</span><span class=\"Map3\">&nbsp;</span><span class=\"Map4\">&nbsp;</span><span class=\"Map5\">&nbsp;</span><span class=\"Map6\">&nbsp;</span><img src=\"${images.clientPath + images.colorBar.arrow.file}\" class=\"Arrow\"/></div></td>\n              <td colspan=\"2\" class=\"Preview\">${localization.text.newColor}<div><span class=\"Active\" title=\"${localization.tooltips.colors.newColor}\">&nbsp;</span><span class=\"Current\" title=\"${localization.tooltips.colors.currentColor}\">&nbsp;</span></div>${localization.text.currentColor}</td>\n              <td rowspan=\"9\" class=\"Button\"><input type=\"button\" class=\"Ok\" value=\"${localization.text.ok}\" title=\"${localization.tooltips.buttons.ok}\"/><input type=\"button\" class=\"Cancel\" value=\"${localization.text.cancel}\" title=\"${localization.tooltips.buttons.cancel}\"/><hr/><div class=\"Grid\">&nbsp;</div></td>\n            </tr>\n            <tr class=\"Hue\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.hue.radio}\"><input type=\"radio\" value=\"h\"${settings.color.mode === 'h' ? ' checked=\"checked\"' : ''}/>H:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.h : ''}\" title=\"${localization.tooltips.hue.textbox}\"/>&nbsp;&deg;</td>\n            </tr>\n            <tr class=\"Saturation\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.saturation.radio}\"><input type=\"radio\" value=\"s\"${settings.color.mode === 's' ? ' checked=\"checked\"' : ''}/>S:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.s : ''}\" title=\"${localization.tooltips.saturation.textbox}\"/>&nbsp;%</td>\n            </tr>\n            <tr class=\"Value\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.value.radio}\"><input type=\"radio\" value=\"v\"${settings.color.mode === 'v' ? ' checked=\"checked\"' : ''}/>V:</label><br/><br/></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.v : ''}\" title=\"${localization.tooltips.value.textbox}\"/>&nbsp;%<br/><br/></td>\n            </tr>\n            <tr class=\"Red\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.red.radio}\"><input type=\"radio\" value=\"r\"${settings.color.mode === 'r' ? ' checked=\"checked\"' : ''}/>R:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.r : ''}\" title=\"${localization.tooltips.red.textbox}\"/></td>\n            </tr>\n            <tr class=\"Green\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.green.radio}\"><input type=\"radio\" value=\"g\"${settings.color.mode === 'g' ? ' checked=\"checked\"' : ''}/>G:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.g : ''}\" title=\"${localization.tooltips.green.textbox}\"/></td>\n            </tr>\n            <tr class=\"Blue\">\n              <td class=\"Radio\"><label title=\"${localization.tooltips.blue.radio}\"><input type=\"radio\" value=\"b\"${settings.color.mode === 'b' ? ' checked=\"checked\"' : ''}/>B:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"${all != null ? all.b : ''}\" title=\"${localization.tooltips.blue.textbox}\"/></td>\n            </tr>\n            <tr class=\"Alpha\">\n              <td class=\"Radio\">${win.alphaSupport ? `<label title=\"${localization.tooltips.alpha.radio}\"><input type=\"radio\" value=\"a\"${settings.color.mode === 'a' ? ' checked=\"checked\"' : ''}/>A:</label>` : '&nbsp;'}</td>\n              <td class=\"Text\">${win.alphaSupport ? `<input type=\"text\" maxlength=\"${3 + win.alphaPrecision}\" value=\"${all != null ? toFixedNumeric((all.a * 100) / 255, win.alphaPrecision) : ''}\" title=\"${localization.tooltips.alpha.textbox}\"/>&nbsp;%` : '&nbsp;'}</td>\n            </tr>\n            <tr class=\"Hex\">\n              <td colspan=\"2\" class=\"Text\"><label title=\"${localization.tooltips.hex.textbox}\">#:<input type=\"text\" maxlength=\"6\" class=\"Hex\" value=\"${all != null ? all.hex : ''}\"/></label>${win.alphaSupport ? `<input type=\"text\" maxlength=\"2\" class=\"AHex\" value=\"${all != null ? all.ahex.substring(6) : ''}\" title=\"${localization.tooltips.hex.alpha}\"/></td>` : '&nbsp;'}\n            </tr>\n          </tbody></table>`;\n        if (win.expandable) {\n          container.html(controlHtml);\n          if (!$(document.body).children('div.jPicker.Container').length) {\n            $(document.body).prepend(container);\n          } else {\n            $(document.body).children('div.jPicker.Container:last').after(container);\n          }\n          container.mousedown(\n            function () {\n              $(document.body).children('div.jPicker.Container').css({zIndex: 10});\n              container.css({zIndex: 20});\n            });\n          container.css( // positions must be set and display set to absolute before source code injection or IE will size the container to fit the window\n            {\n              left:\n                win.position.x === 'left'\n                  ? (popup.offset().left - 530 - (win.position.y === 'center' ? 25 : 0)) + 'px'\n                  : win.position.x === 'center'\n                    ? (popup.offset().left - 260) + 'px'\n                    : win.position.x === 'right'\n                      ? (popup.offset().left - 10 + (win.position.y === 'center' ? 25 : 0)) + 'px'\n                      : win.position.x === 'screenCenter'\n                        ? (($(document).width() >> 1) - 260) + 'px'\n                        : (popup.offset().left + parseInt(win.position.x)) + 'px',\n              position: 'absolute',\n              top: win.position.y === 'top'\n                ? (popup.offset().top - 312) + 'px'\n                : win.position.y === 'center'\n                  ? (popup.offset().top - 156) + 'px'\n                  : win.position.y === 'bottom'\n                    ? (popup.offset().top + 25) + 'px'\n                    : (popup.offset().top + parseInt(win.position.y)) + 'px'\n            });\n        } else {\n          container = $($this);\n          container.html(controlHtml);\n        }\n        // initialize the objects to the source code just injected\n        const tbody = container.find('tbody:first');\n        colorMapDiv = tbody.find('div.Map:first');\n        colorBarDiv = tbody.find('div.Bar:first');\n        const MapMaps = colorMapDiv.find('span');\n        const BarMaps = colorBarDiv.find('span');\n        colorMapL1 = MapMaps.filter('.Map1:first');\n        colorMapL2 = MapMaps.filter('.Map2:first');\n        colorMapL3 = MapMaps.filter('.Map3:first');\n        colorBarL1 = BarMaps.filter('.Map1:first');\n        colorBarL2 = BarMaps.filter('.Map2:first');\n        colorBarL3 = BarMaps.filter('.Map3:first');\n        colorBarL4 = BarMaps.filter('.Map4:first');\n        colorBarL5 = BarMaps.filter('.Map5:first');\n        colorBarL6 = BarMaps.filter('.Map6:first');\n        // create color pickers and maps\n        colorMap = new Slider(colorMapDiv,\n          {\n            map: {\n              width: images.colorMap.width,\n              height: images.colorMap.height\n            },\n            arrow: {\n              image: images.clientPath + images.colorMap.arrow.file,\n              width: images.colorMap.arrow.width,\n              height: images.colorMap.arrow.height\n            }\n          }\n        );\n        colorMap.bind(mapValueChanged);\n        colorBar = new Slider(colorBarDiv,\n          {\n            map: {\n              width: images.colorBar.width,\n              height: images.colorBar.height\n            },\n            arrow: {\n              image: images.clientPath + images.colorBar.arrow.file,\n              width: images.colorBar.arrow.width,\n              height: images.colorBar.arrow.height\n            }\n          }\n        );\n        colorBar.bind(colorBarValueChanged);\n        colorPicker = new ColorValuePicker(\n          tbody,\n          color.active,\n          win.expandable && win.bindToInput ? win.input : null, win.alphaPrecision\n        );\n        const hex = all != null ? all.hex : null,\n          preview = tbody.find('.Preview'),\n          button = tbody.find('.Button');\n        activePreview = preview.find('.Active:first').css({backgroundColor: (hex && '#' + hex) || 'transparent'});\n        currentPreview = preview.find('.Current:first').css({backgroundColor: (hex && '#' + hex) || 'transparent'}).bind('click', currentClicked);\n        setAlpha.call($this, currentPreview, toFixedNumeric((color.current.val('a') * 100) / 255, 4));\n        okButton = button.find('.Ok:first').bind('click', okClicked);\n        cancelButton = button.find('.Cancel:first').bind('click', cancelClicked);\n        grid = button.find('.Grid:first');\n        setTimeout(function () {\n          setImg.call($this, colorMapL1, images.clientPath + 'Maps.png');\n          setImg.call($this, colorMapL2, images.clientPath + 'Maps.png');\n          setImg.call($this, colorMapL3, images.clientPath + 'map-opacity.png');\n          setImg.call($this, colorBarL1, images.clientPath + 'Bars.png');\n          setImg.call($this, colorBarL2, images.clientPath + 'Bars.png');\n          setImg.call($this, colorBarL3, images.clientPath + 'Bars.png');\n          setImg.call($this, colorBarL4, images.clientPath + 'Bars.png');\n          setImg.call($this, colorBarL5, images.clientPath + 'bar-opacity.png');\n          setImg.call($this, colorBarL6, images.clientPath + 'AlphaBar.png');\n          setImg.call($this, preview.find('div:first'), images.clientPath + 'preview-opacity.png');\n        }, 0);\n        tbody.find('td.Radio input').bind('click', radioClicked);\n        // initialize quick list\n        if (color.quickList && color.quickList.length > 0) {\n          let html = '';\n          for (let i = 0; i < color.quickList.length; i++) {\n            /* if default colors are hex strings, change them to color objects */\n            if ((typeof (color.quickList[i])).toString().toLowerCase() === 'string') color.quickList[i] = new Color({hex: color.quickList[i]});\n            const alpha = color.quickList[i].val('a');\n            let ahex = color.quickList[i].val('ahex');\n            if (!win.alphaSupport && ahex) ahex = ahex.substring(0, 6) + 'ff';\n            const quickHex = color.quickList[i].val('hex');\n            if (!ahex) ahex = '00000000';\n            html += '<span class=\"QuickColor\"' + (' title=\"#' + ahex + '\"') + ' style=\"background-color:' + ((quickHex && '#' + quickHex) || '') + ';' + (quickHex ? '' : 'background-image:url(' + images.clientPath + 'NoColor.png)') + (win.alphaSupport && alpha && alpha < 255 ? ';opacity:' + toFixedNumeric(alpha / 255, 4) + ';filter:Alpha(opacity=' + toFixedNumeric(alpha / 2.55, 4) + ')' : '') + '\">&nbsp;</span>';\n          }\n          setImg.call($this, grid, images.clientPath + 'bar-opacity.png');\n          grid.html(html);\n          grid.find('.QuickColor').click(quickPickClicked);\n        }\n        setColorMode.call($this, settings.color.mode);\n        color.active.bind(activeColorChanged);\n        typeof liveCallback === 'function' && color.active.bind(liveCallback);\n        color.current.bind(currentColorChanged);\n        // bind to input\n        if (win.expandable) {\n          $this.icon = popup.parents('.Icon:first');\n          iconColor = $this.icon.find('.Color:first').css({backgroundColor: (hex && '#' + hex) || 'transparent'});\n          iconAlpha = $this.icon.find('.Alpha:first');\n          setImg.call($this, iconAlpha, images.clientPath + 'bar-opacity.png');\n          setAlpha.call($this, iconAlpha, toFixedNumeric(((255 - (all != null ? all.a : 0)) * 100) / 255, 4));\n          iconImage = $this.icon.find('.Image:first').css({\n            backgroundImage: 'url(\\'' + images.clientPath + images.picker.file + '\\')'\n          }).bind('click', iconImageClicked);\n          if (win.bindToInput && win.updateInputColor) {\n            win.input.css({\n              backgroundColor: (hex && '#' + hex) || 'transparent',\n              color: all == null || all.v > 75 ? '#000000' : '#ffffff'\n            });\n          }\n          moveBar = tbody.find('.Move:first').bind('mousedown', moveBarMouseDown);\n          color.active.bind(expandableColorChanged);\n        } else show.call($this);\n      }\n      function destroy () {\n        container.find('td.Radio input').unbind('click', radioClicked);\n        currentPreview.unbind('click', currentClicked);\n        cancelButton.unbind('click', cancelClicked);\n        okButton.unbind('click', okClicked);\n        if (settings.window.expandable) {\n          iconImage.unbind('click', iconImageClicked);\n          moveBar.unbind('mousedown', moveBarMouseDown);\n          $this.icon = null;\n        }\n        container.find('.QuickColor').unbind('click', quickPickClicked);\n        colorMapDiv = null;\n        colorBarDiv = null;\n        colorMapL1 = null;\n        colorMapL2 = null;\n        colorMapL3 = null;\n        colorBarL1 = null;\n        colorBarL2 = null;\n        colorBarL3 = null;\n        colorBarL4 = null;\n        colorBarL5 = null;\n        colorBarL6 = null;\n        colorMap.destroy();\n        colorMap = null;\n        colorBar.destroy();\n        colorBar = null;\n        colorPicker.destroy();\n        colorPicker = null;\n        activePreview = null;\n        currentPreview = null;\n        okButton = null;\n        cancelButton = null;\n        grid = null;\n        commitCallback = null;\n        cancelCallback = null;\n        liveCallback = null;\n        container.html('');\n        for (let i = 0; i < List.length; i++) {\n          if (List[i] === $this) {\n            List.splice(i, 1);\n          }\n        }\n      }\n      const {images, localization} = settings; // local copies for YUI compressor\n      const color = {\n        active: (typeof settings.color.active).toString().toLowerCase() === 'string'\n          ? new Color({ahex: !settings.window.alphaSupport && settings.color.active\n            ? settings.color.active.substring(0, 6) + 'ff'\n            : settings.color.active\n          })\n          : new Color({ahex: !settings.window.alphaSupport &&\n              settings.color.active.val('ahex')\n            ? settings.color.active.val('ahex').substring(0, 6) + 'ff'\n            : settings.color.active.val('ahex')\n          }),\n        current: (typeof settings.color.active).toString().toLowerCase() === 'string'\n          ? new Color({ahex: !settings.window.alphaSupport && settings.color.active\n            ? settings.color.active.substring(0, 6) + 'ff'\n            : settings.color.active})\n          : new Color({ahex: !settings.window.alphaSupport &&\n              settings.color.active.val('ahex')\n            ? settings.color.active.val('ahex').substring(0, 6) + 'ff'\n            : settings.color.active.val('ahex')\n          }),\n        quickList: settings.color.quickList\n      };\n\n      let elementStartX = null, // Used to record the starting css positions for dragging the control\n        elementStartY = null,\n        pageStartX = null, // Used to record the mousedown coordinates for dragging the control\n        pageStartY = null,\n        container = null,\n        colorMapDiv = null,\n        colorBarDiv = null,\n        colorMapL1 = null, // different layers of colorMap and colorBar\n        colorMapL2 = null,\n        colorMapL3 = null,\n        colorBarL1 = null,\n        colorBarL2 = null,\n        colorBarL3 = null,\n        colorBarL4 = null,\n        colorBarL5 = null,\n        colorBarL6 = null,\n        colorMap = null, // color maps\n        colorBar = null,\n        colorPicker = null,\n        activePreview = null, // color boxes above the radio buttons\n        currentPreview = null,\n        okButton = null,\n        cancelButton = null,\n        grid = null, // preset colors grid\n        iconColor = null, // iconColor for popup icon\n        iconAlpha = null, // iconAlpha for popup icon\n        iconImage = null, // iconImage popup icon\n        moveBar = null, // drag bar\n        commitCallback = typeof $arguments[1] === 'function' ? $arguments[1] : null,\n        liveCallback = typeof $arguments[2] === 'function' ? $arguments[2] : null,\n        cancelCallback = typeof $arguments[3] === 'function' ? $arguments[3] : null;\n\n      $.extend(true, $this, {\n        // public properties, methods, and callbacks\n        commitCallback, // commitCallback function can be overridden to return the selected color to a method you specify when the user clicks \"OK\"\n        liveCallback, // liveCallback function can be overridden to return the selected color to a method you specify in live mode (continuous update)\n        cancelCallback, // cancelCallback function can be overridden to a method you specify when the user clicks \"Cancel\"\n        color,\n        show,\n        hide,\n        destroy // destroys this control entirely, removing all events and objects, and removing itself from the List\n      });\n      List.push($this);\n      setTimeout(function () {\n        initialize.call($this);\n      }, 0);\n    });\n  };\n  /**\n  * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsIconInfo\n  * @property {string} file Color Map/Color Bar/Color Picker arrow icon\n  * @property {Float} width\n  * @property {Float} height\n  */\n  /**\n  * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsImagesDimensionsArrow\n  * @property {Float} width\n  * @property {Float} height\n  * @property {external:jQuery.fn.jPickerOptionsIconInfo} arrow\n  */\n  /**\n  * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsRadioTextboxLocale\n  * @property {string} radio\n  * @property {string} textbox\n  */\n  /**\n  * @typedef {PlainObject} external:jQuery.fn.jPickerOptions\n  * @property {PlainObject} window\n  * @property {string|null} window.title Any title for the jPicker window itself - displays\n  * \"Drag Markers To Pick A Color\" if left null\n  * @property {PlainObject} window.effects\n  * @property {\"slide\"|\"show\"|\"fade\"} window.effects.type Effect used to show/hide an expandable picker\n  * @property {PlainObject} window.effects.speed\n  * @property {\"fast\"|\"slow\"|Float} window.effects.speed.show Duration of \"show\" effect. Time in milliseconds.\n  * @property {\"fast\"|\"slow\"|Float} window.effects.speed.hide Duration of \"hide\" effect. Time in milliseconds\n  * @property {PlainObject} window.position\n  * @property {\"left\"|\"center\"|\"right\"|\"screenCenter\"|Float} window.position.x Relative px value\n  * @property {\"top\"|\"bottom\"|\"center\"|Float} window.position.y Relative px value\n  * @property {boolean} window.expandable Defaults to large static picker - set to `true` to make an expandable\n  * picker (small icon with popup) - set automatically when binded to input element\n  * @property {boolean} window.liveUpdate Set `false` if you want the user to have to click \"OK\" before the\n  * binded input box updates values (always `true` for expandable picker)\n  * @property {boolean} window.alphaSupport Set to `true` to enable alpha picking\n  * @property {Float} window.alphaPrecision Set decimal precision for alpha percentage display - hex codes do\n  * not map directly to percentage integers - range 0-2\n  * @property {boolean} window.updateInputColor Set to `false` to prevent binded input colors from changing\n  * @property {PlainObject} color\n  * @property {\"h\"|\"s\"|\"v\"|\"r\"|\"g\"|\"b\"|\"a\"} color.mode Symbols stand for \"h\" (hue), \"s\" (saturation), \"v\" (value), \"r\" (red), \"g\" (green), \"b\" (blue), \"a\" (alpha)\n  * @property {Color|string} color.active Strings are HEX values (e.g. #ffc000) WITH OR WITHOUT the \"#\" prefix\n  * @property {Color[]|string[]} color.quickList The quick pick color list\n  * Strings are HEX values (e.g. #ffc000) WITH OR WITHOUT the \"#\" prefix\n  * @property {PlainObject} images\n  * @property {string} images.clientPath Path to image files\n  * @property {external:jQuery.fn.jPickerOptionsImagesDimensionsArrow} images.colorMap\n  * @property {external:jQuery.fn.jPickerOptionsImagesDimensionsArrow} images.colorBar\n  * @property {external:jQuery.fn.jPickerOptionsIconInfo} images.picker\n  * @property {PlainObject} localization alter these to change the text presented by the picker (e.g. different language)\n  * @property {PlainObject} localization.text\n  * @property {string} localization.text.title\n  * @property {string} localization.text.newColor\n  * @property {string} localization.text.currentColor\n  * @property {string} localization.text.ok\n  * @property {string} localization.text.cancel\n  * @property {PlainObject} localization.tooltips\n  * @property {PlainObject} localization.tooltips.colors\n  * @property {string} localization.tooltips.colors.newColor\n  * @property {string} localization.tooltips.colors.currentColor\n  * @property {PlainObject} localization.tooltips.buttons\n  * @property {string} localization.tooltips.buttons.ok\n  * @property {string} localization.tooltips.buttons.cancel\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.hue\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.saturation\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.value\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.red\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.green\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.blue\n  * @property {external:jQuery.fn.jPickerOptionsRadioTextboxLocale} localization.tooltips.alpha\n  * @property {PlainObject} localization.tooltips.hex\n  * @property {string} localization.tooltips.hex.textbox\n  * @property {string} localization.tooltips.hex.alpha\n  */\n  /**\n  * jPicker defaults - you can change anything in this section (such as the\n  * clientPath to your images) without fear of breaking the program\n  * @namespace {external:jQuery.fn.jPickerOptions} defaults\n  * @memberof external:jQuery.fn.$.fn.jPicker\n  * @borrows external:jQuery.fn.jPickerOptions as external:jQuery.fn.jPicker.defaults\n  * @see Source for all of the values\n  */\n  $.fn.jPicker.defaults = {\n    window: {\n      title: null,\n      effects: {\n        type: 'slide',\n        speed: {\n          show: 'slow',\n          hide: 'fast'\n        }\n      },\n      position: {\n        x: 'screenCenter',\n        y: 'top'\n      },\n      expandable: false,\n      liveUpdate: true,\n      alphaSupport: false,\n      alphaPrecision: 0,\n      updateInputColor: true\n    },\n    color: {\n      mode: 'h',\n      active: new Color({ahex: '#ffcc00ff'}),\n      quickList: [\n        new Color({h: 360, s: 33, v: 100}),\n        new Color({h: 360, s: 66, v: 100}),\n        new Color({h: 360, s: 100, v: 100}),\n        new Color({h: 360, s: 100, v: 75}),\n        new Color({h: 360, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 100}),\n        new Color({h: 30, s: 33, v: 100}),\n        new Color({h: 30, s: 66, v: 100}),\n        new Color({h: 30, s: 100, v: 100}),\n        new Color({h: 30, s: 100, v: 75}),\n        new Color({h: 30, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 90}),\n        new Color({h: 60, s: 33, v: 100}),\n        new Color({h: 60, s: 66, v: 100}),\n        new Color({h: 60, s: 100, v: 100}),\n        new Color({h: 60, s: 100, v: 75}),\n        new Color({h: 60, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 80}),\n        new Color({h: 90, s: 33, v: 100}),\n        new Color({h: 90, s: 66, v: 100}),\n        new Color({h: 90, s: 100, v: 100}),\n        new Color({h: 90, s: 100, v: 75}),\n        new Color({h: 90, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 70}),\n        new Color({h: 120, s: 33, v: 100}),\n        new Color({h: 120, s: 66, v: 100}),\n        new Color({h: 120, s: 100, v: 100}),\n        new Color({h: 120, s: 100, v: 75}),\n        new Color({h: 120, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 60}),\n        new Color({h: 150, s: 33, v: 100}),\n        new Color({h: 150, s: 66, v: 100}),\n        new Color({h: 150, s: 100, v: 100}),\n        new Color({h: 150, s: 100, v: 75}),\n        new Color({h: 150, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 50}),\n        new Color({h: 180, s: 33, v: 100}),\n        new Color({h: 180, s: 66, v: 100}),\n        new Color({h: 180, s: 100, v: 100}),\n        new Color({h: 180, s: 100, v: 75}),\n        new Color({h: 180, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 40}),\n        new Color({h: 210, s: 33, v: 100}),\n        new Color({h: 210, s: 66, v: 100}),\n        new Color({h: 210, s: 100, v: 100}),\n        new Color({h: 210, s: 100, v: 75}),\n        new Color({h: 210, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 30}),\n        new Color({h: 240, s: 33, v: 100}),\n        new Color({h: 240, s: 66, v: 100}),\n        new Color({h: 240, s: 100, v: 100}),\n        new Color({h: 240, s: 100, v: 75}),\n        new Color({h: 240, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 20}),\n        new Color({h: 270, s: 33, v: 100}),\n        new Color({h: 270, s: 66, v: 100}),\n        new Color({h: 270, s: 100, v: 100}),\n        new Color({h: 270, s: 100, v: 75}),\n        new Color({h: 270, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 10}),\n        new Color({h: 300, s: 33, v: 100}),\n        new Color({h: 300, s: 66, v: 100}),\n        new Color({h: 300, s: 100, v: 100}),\n        new Color({h: 300, s: 100, v: 75}),\n        new Color({h: 300, s: 100, v: 50}),\n        new Color({h: 180, s: 0, v: 0}),\n        new Color({h: 330, s: 33, v: 100}),\n        new Color({h: 330, s: 66, v: 100}),\n        new Color({h: 330, s: 100, v: 100}),\n        new Color({h: 330, s: 100, v: 75}),\n        new Color({h: 330, s: 100, v: 50}),\n        new Color()\n      ]\n    },\n    images: {\n      clientPath: '/jPicker/images/',\n      colorMap: {\n        width: 256,\n        height: 256,\n        arrow: {\n          file: 'mappoint.gif',\n          width: 15,\n          height: 15\n        }\n      },\n      colorBar: {\n        width: 20,\n        height: 256,\n        arrow: {\n          file: 'rangearrows.gif',\n          width: 20,\n          height: 7\n        }\n      },\n      picker: {\n        file: 'picker.gif',\n        width: 25,\n        height: 24\n      }\n    },\n    localization: {\n      text: {\n        title: 'Drag Markers To Pick A Color',\n        newColor: 'new',\n        currentColor: 'current',\n        ok: 'OK',\n        cancel: 'Cancel'\n      },\n      tooltips: {\n        colors: {\n          newColor: 'New Color - Press &ldquo;OK&rdquo; To Commit',\n          currentColor: 'Click To Revert To Original Color'\n        },\n        buttons: {\n          ok: 'Commit To This Color Selection',\n          cancel: 'Cancel And Revert To Original Color'\n        },\n        hue: {\n          radio: 'Set To &ldquo;Hue&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Hue&rdquo; Value (0-360&deg;)'\n        },\n        saturation: {\n          radio: 'Set To &ldquo;Saturation&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Saturation&rdquo; Value (0-100%)'\n        },\n        value: {\n          radio: 'Set To &ldquo;Value&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Value&rdquo; Value (0-100%)'\n        },\n        red: {\n          radio: 'Set To &ldquo;Red&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Red&rdquo; Value (0-255)'\n        },\n        green: {\n          radio: 'Set To &ldquo;Green&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Green&rdquo; Value (0-255)'\n        },\n        blue: {\n          radio: 'Set To &ldquo;Blue&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Blue&rdquo; Value (0-255)'\n        },\n        alpha: {\n          radio: 'Set To &ldquo;Alpha&rdquo; Color Mode',\n          textbox: 'Enter A &ldquo;Alpha&rdquo; Value (0-100)'\n        },\n        hex: {\n          textbox: 'Enter A &ldquo;Hex&rdquo; Color Value (#000000-#ffffff)',\n          alpha: 'Enter A &ldquo;Alpha&rdquo; Value (#00-#ff)'\n        }\n      }\n    }\n  };\n  return $;\n};\n\nexport default jPicker;\n","/* globals jQuery */\n/**\n * Localizing script for SVG-edit UI\n * @module locale\n * @license MIT\n *\n * @copyright 2010 Narendra Sisodya\n * @copyright 2010 Alexis Deveria\n *\n */\n\n/**\n * Used, for example, in the ImageLibs extension, to present libraries (with name/URL/description) in order\n * @typedef {GenericArray.<module:locale.LocaleStrings>} module:locale.LocaleArray\n*/\n/**\n * The string keys of the object are two-letter language codes\n * @tutorial LocaleDocs\n * @typedef {PlainObject.<string, string|module:locale.LocaleStrings|module:locale.LocaleArray>} module:locale.LocaleStrings\n */\n// keyed to an array of objects with \"id\" and \"title\" or \"textContent\" properties\n/**\n * @typedef {PlainObject.<string, string>} module:locale.LocaleSelectorValue\n */\n\nimport {importSetGlobalDefault} from '../external/dynamic-import-polyfill/importModule.js';\n\nconst $ = jQuery;\n\nlet langParam;\n\n/**\n* @param {\"content\"|\"title\"} type\n* @param {module:locale.LocaleSelectorValue} obj\n* @param {boolean} ids\n* @returns {undefined}\n*/\nexport const setStrings = function (type, obj, ids) {\n  // Root element to look for element from\n  const parent = $('#svg_editor').parent();\n  Object.entries(obj).forEach(([sel, val]) => {\n    if (!val) { console.log(sel); }\n\n    if (ids) { sel = '#' + sel; }\n    const $elem = parent.find(sel);\n    if ($elem.length) {\n      const elem = parent.find(sel)[0];\n\n      switch (type) {\n      case 'content':\n        for (let i = 0, node; (node = elem.childNodes[i]); i++) {\n          if (node.nodeType === 3 && node.textContent.trim()) {\n            node.textContent = val;\n            break;\n          }\n        }\n        break;\n\n      case 'title':\n        elem.title = val;\n        break;\n      }\n    } else {\n      console.log('Missing: ' + sel);\n    }\n  });\n};\n\n/**\n* The \"data\" property is generally set to an an array of objects with\n* \"id\" and \"title\" or \"textContent\" properties\n* @typedef {PlainObject} module:locale.AddLangExtensionLocaleData\n* @property {module:locale.LocaleStrings[]} data See {@tutorial LocaleDocs}\n*/\n\n/**\n* @interface module:locale.LocaleEditorInit\n*/\n/**\n * @function module:locale.LocaleEditorInit#addLangData\n * @param {string} langParam\n * @returns {module:locale.AddLangExtensionLocaleData}\n*/\n\nlet editor_;\n/**\n* @function init\n* @memberof module:locale\n* @param {module:locale.LocaleEditorInit} editor\n* @returns {undefined}\n*/\nexport const init = (editor) => {\n  editor_ = editor;\n};\n\n/**\n* @typedef {PlainObject} module:locale.LangAndData\n* @property {string} langParam\n* @property {module:locale.LocaleStrings} langData\n*/\n\n/**\n* @function module:locale.readLang\n* @param {module:locale.LocaleStrings} langData See {@tutorial LocaleDocs}\n* @fires module:svgcanvas.SvgCanvas#event:ext-addLangData\n* @returns {Promise} Resolves to [`LangAndData`]{@link module:locale.LangAndData}\n*/\nexport const readLang = async function (langData) {\n  const more = await editor_.addLangData(langParam);\n  $.each(more, function (i, m) {\n    if (m.data) {\n      langData = $.merge(langData, m.data);\n    }\n  });\n\n  // Old locale file, do nothing for now.\n  if (!langData.tools) { return; }\n\n  const {\n    tools,\n    // misc,\n    properties, config, layers, common, ui\n  } = langData;\n\n  setStrings('content', {\n    // copyrightLabel: misc.powered_by, // Currently commented out in svg-editor.html\n    curve_segments: properties.curve_segments,\n    fitToContent: tools.fitToContent,\n    fit_to_all: tools.fit_to_all,\n    fit_to_canvas: tools.fit_to_canvas,\n    fit_to_layer_content: tools.fit_to_layer_content,\n    fit_to_sel: tools.fit_to_sel,\n\n    icon_large: config.icon_large,\n    icon_medium: config.icon_medium,\n    icon_small: config.icon_small,\n    icon_xlarge: config.icon_xlarge,\n    image_opt_embed: config.image_opt_embed,\n    image_opt_ref: config.image_opt_ref,\n    includedImages: config.included_images,\n\n    largest_object: tools.largest_object,\n\n    layersLabel: layers.layers,\n    page: tools.page,\n    relativeToLabel: tools.relativeTo,\n    selLayerLabel: layers.move_elems_to,\n    selectedPredefined: config.select_predefined,\n\n    selected_objects: tools.selected_objects,\n    smallest_object: tools.smallest_object,\n    straight_segments: properties.straight_segments,\n\n    svginfo_bg_url: config.editor_img_url + ':',\n    svginfo_bg_note: config.editor_bg_note,\n    svginfo_change_background: config.background,\n    svginfo_dim: config.doc_dims,\n    svginfo_editor_prefs: config.editor_prefs,\n    svginfo_height: common.height,\n    svginfo_icons: config.icon_size,\n    svginfo_image_props: config.image_props,\n    svginfo_lang: config.language,\n    svginfo_title: config.doc_title,\n    svginfo_width: common.width,\n\n    tool_docprops_cancel: common.cancel,\n    tool_docprops_save: common.ok,\n\n    tool_source_cancel: common.cancel,\n    tool_source_save: common.ok,\n\n    tool_prefs_cancel: common.cancel,\n    tool_prefs_save: common.ok,\n\n    sidepanel_handle: layers.layers.split('').join(' '),\n\n    tool_clear: tools.new_doc,\n    tool_docprops: tools.docprops,\n    tool_export: tools.export_img,\n    tool_import: tools.import_doc,\n    tool_open: tools.open_doc,\n    tool_save: tools.save_doc,\n\n    svginfo_units_rulers: config.units_and_rulers,\n    svginfo_rulers_onoff: config.show_rulers,\n    svginfo_unit: config.base_unit,\n\n    svginfo_grid_settings: config.grid,\n    svginfo_snap_onoff: config.snapping_onoff,\n    svginfo_snap_step: config.snapping_stepsize,\n    svginfo_grid_color: config.grid_color\n  }, true);\n\n  // Context menus\n  const opts = {};\n  $.each(['cut', 'copy', 'paste', 'paste_in_place', 'delete', 'group', 'ungroup', 'move_front', 'move_up', 'move_down', 'move_back'], function () {\n    opts['#cmenu_canvas a[href=\"#' + this + '\"]'] = tools[this];\n  });\n\n  $.each(['dupe', 'merge_down', 'merge_all'], function () {\n    opts['#cmenu_layers a[href=\"#' + this + '\"]'] = layers[this];\n  });\n\n  opts['#cmenu_layers a[href=\"#delete\"]'] = layers.del;\n\n  setStrings('content', opts);\n\n  setStrings('title', {\n    align_relative_to: tools.align_relative_to,\n    circle_cx: properties.circle_cx,\n    circle_cy: properties.circle_cy,\n    circle_r: properties.circle_r,\n    cornerRadiusLabel: properties.corner_radius,\n    ellipse_cx: properties.ellipse_cx,\n    ellipse_cy: properties.ellipse_cy,\n    ellipse_rx: properties.ellipse_rx,\n    ellipse_ry: properties.ellipse_ry,\n    fill_color: properties.fill_color,\n    font_family: properties.font_family,\n    idLabel: properties.id,\n    image_height: properties.image_height,\n    image_url: properties.image_url,\n    image_width: properties.image_width,\n    layer_delete: layers.del,\n    layer_down: layers.move_down,\n    layer_new: layers['new'],\n    layer_rename: layers.rename,\n    layer_moreopts: common.more_opts,\n    layer_up: layers.move_up,\n    line_x1: properties.line_x1,\n    line_x2: properties.line_x2,\n    line_y1: properties.line_y1,\n    line_y2: properties.line_y2,\n    linecap_butt: properties.linecap_butt,\n    linecap_round: properties.linecap_round,\n    linecap_square: properties.linecap_square,\n    linejoin_bevel: properties.linejoin_bevel,\n    linejoin_miter: properties.linejoin_miter,\n    linejoin_round: properties.linejoin_round,\n    main_icon: tools.main_menu,\n    palette: ui.palette_info,\n    zoom_panel: ui.zoom_level,\n    path_node_x: properties.node_x,\n    path_node_y: properties.node_y,\n    rect_height_tool: properties.rect_height,\n    rect_width_tool: properties.rect_width,\n    seg_type: properties.seg_type,\n    selLayerNames: layers.move_selected,\n    selected_x: properties.pos_x,\n    selected_y: properties.pos_y,\n    stroke_color: properties.stroke_color,\n    stroke_style: properties.stroke_style,\n    stroke_width: properties.stroke_width,\n    svginfo_title: config.doc_title,\n    text: properties.text_contents,\n    toggle_stroke_tools: ui.toggle_stroke_tools,\n    tool_add_subpath: tools.add_subpath,\n    tool_alignbottom: tools.align_bottom,\n    tool_aligncenter: tools.align_center,\n    tool_alignleft: tools.align_left,\n    tool_alignmiddle: tools.align_middle,\n    tool_alignright: tools.align_right,\n    tool_aligntop: tools.align_top,\n    tool_angle: properties.angle,\n    tool_blur: properties.blur,\n    tool_bold: properties.bold,\n    tool_circle: tools.mode_circle,\n    tool_clone: tools.clone,\n    tool_clone_multi: tools.clone,\n    tool_delete: tools.del,\n    tool_delete_multi: tools.del,\n    tool_ellipse: tools.mode_ellipse,\n    tool_fhellipse: tools.mode_fhellipse,\n    tool_fhpath: tools.mode_fhpath,\n    tool_fhrect: tools.mode_fhrect,\n    tool_font_size: properties.font_size,\n    tool_group_elements: tools.group_elements,\n    tool_make_link: tools.make_link,\n    tool_link_url: tools.set_link_url,\n    tool_image: tools.mode_image,\n    tool_italic: properties.italic,\n    tool_line: tools.mode_line,\n    tool_move_bottom: tools.move_bottom,\n    tool_move_top: tools.move_top,\n    tool_node_clone: tools.node_clone,\n    tool_node_delete: tools.node_delete,\n    tool_node_link: tools.node_link,\n    tool_opacity: properties.opacity,\n    tool_openclose_path: tools.openclose_path,\n    tool_path: tools.mode_path,\n    tool_position: tools.align_to_page,\n    tool_rect: tools.mode_rect,\n    tool_redo: tools.redo,\n    tool_reorient: tools.reorient_path,\n    tool_select: tools.mode_select,\n    tool_source: tools.source_save,\n    tool_square: tools.mode_square,\n    tool_text: tools.mode_text,\n    tool_topath: tools.to_path,\n    tool_undo: tools.undo,\n    tool_ungroup: tools.ungroup,\n    tool_wireframe: tools.wireframe_mode,\n    tool_zoom: tools.mode_zoom,\n    url_notice: tools.no_embed\n\n  }, true);\n\n  return {langParam, langData};\n};\n\n/**\n* @function module:locale.putLocale\n* @param {string} givenParam\n* @param {string[]} goodLangs\n* @param {{langPath: string}} conf\n* @fires module:svgcanvas.SvgCanvas#event:ext-addLangData\n* @fires module:svgcanvas.SvgCanvas#event:ext-langReady\n* @fires module:svgcanvas.SvgCanvas#event:ext-langChanged\n* @returns {Promise} Resolves to result of {@link module:locale.readLang}\n*/\nexport const putLocale = async function (givenParam, goodLangs, conf) {\n  if (givenParam) {\n    langParam = givenParam;\n  } else {\n    langParam = $.pref('lang');\n    if (!langParam) {\n      if (navigator.userLanguage) { // Explorer\n        langParam = navigator.userLanguage;\n      } else if (navigator.language) { // FF, Opera, ...\n        langParam = navigator.language;\n      }\n    }\n\n    console.log('Lang: ' + langParam);\n\n    // Set to English if language is not in list of good langs\n    if (!goodLangs.includes(langParam) && langParam !== 'test') {\n      langParam = 'en';\n    }\n\n    // don't bother on first run if language is English\n    // The following line prevents setLang from running\n    //    extensions which depend on updated uiStrings,\n    //    so commenting it out.\n    // if (langParam.startsWith('en')) {return;}\n  }\n\n  const url = conf.langPath + 'lang.' + langParam + '.js';\n  return readLang(\n    // Todo: Replace this with `return import(url);` when\n    //   `import()` widely supported\n    await importSetGlobalDefault(url, {\n      global: 'svgEditorLang_' + langParam.replace(/-/g, '_')\n    })\n  );\n};\n","/* globals jQuery */\n\nimport './touch.js';\nimport {NS} from './namespaces.js';\nimport {isWebkit, isChrome, isGecko, isIE, isMac, isTouch} from './browser.js';\nimport * as Utils from './utilities.js';\nimport {getTypeMap, convertUnit, isValidUnit} from './units.js';\nimport {\n  hasCustomHandler, getCustomHandler, injectExtendedContextMenuItemsIntoDom\n} from './contextmenu.js';\nimport {importSetGlobalDefault} from './external/dynamic-import-polyfill/importModule.js';\n\nimport SvgCanvas from './svgcanvas.js';\nimport Layer from './layer.js';\n\nimport jqPluginJSHotkeys from './js-hotkeys/jquery.hotkeys.min.js';\nimport jqPluginBBQ from './jquerybbq/jquery.bbq.min.js';\nimport jqPluginSVGIcons from './svgicons/jQuery.svgIcons.js';\nimport jqPluginJGraduate from './jgraduate/jQuery.jGraduate.js';\nimport jqPluginSpinBtn from './spinbtn/jQuery.SpinButton.js';\nimport jqPluginSVG from './jQuery.attr.js'; // Needed for SVG attribute setting and array form with `attr`\nimport jqPluginContextMenu from './contextmenu/jQuery.contextMenu.js';\nimport jqPluginJPicker from './jgraduate/jQuery.jPicker.js';\nimport {\n  readLang, putLocale,\n  setStrings,\n  init as localeInit\n} from './locale/locale.js';\nimport loadStylesheets from './external/load-stylesheets/index-es.js';\n\n/**\n* The main module for the visual SVG Editor\n*\n* @license MIT\n*\n* @copyright 2010 Alexis Deveria\n* 2010 Pavol Rusnak\n* 2010 Jeff Schiller\n* 2010 Narendra Sisodiya\n* 2014 Brett Zamir\n* @exports module:SVGEditor\n* @borrows module:locale.putLocale as putLocale\n* @borrows module:locale.readLang as readLang\n* @borrows module:locale.setStrings as setStrings\n*/\nconst editor = {};\n\nconst $ = [\n  jqPluginJSHotkeys, jqPluginBBQ, jqPluginSVGIcons, jqPluginJGraduate,\n  jqPluginSpinBtn, jqPluginSVG, jqPluginContextMenu, jqPluginJPicker\n].reduce(($, cb) => cb($), jQuery);\n\n/*\nif (!$.loadingStylesheets) {\n  $.loadingStylesheets = [];\n}\n*/\nconst stylesheet = 'svg-editor.css';\nif (!$.loadingStylesheets.includes(stylesheet)) {\n  $.loadingStylesheets.push(stylesheet);\n}\nconst favicon = 'images/logo.png';\nif ($.loadingStylesheets.some((item) => {\n  return !Array.isArray(item) || item[0] !== favicon;\n})) {\n  $.loadingStylesheets.push([favicon, {favicon: true}]);\n}\n\n// EDITOR PROPERTIES: (defined below)\n//    curPrefs, curConfig, canvas, storage, uiStrings\n//\n// STATE MAINTENANCE PROPERTIES\n/**\n* @type {Float}\n*/\neditor.tool_scale = 1; // Dependent on icon size, so any use to making configurable instead? Used by `jQuery.SpinButton.js`\n/**\n* @type {Integer}\n*/\neditor.exportWindowCt = 0;\n/**\n* @type {boolean}\n*/\neditor.langChanged = false;\n/**\n* @type {boolean}\n*/\neditor.showSaveWarning = false;\n/**\n* @type {boolean}\n*/\neditor.storagePromptClosed = false; // For use with ext-storage.js\n\nconst callbacks = [],\n  /**\n  * @typedef {\"s\"|\"m\"|\"l\"|\"xl\"|Float} module:SVGEditor.IconSize\n  */\n  /**\n  * Preferences\n  * @interface module:SVGEditor.Prefs\n  * @property {string} [lang=\"en\"] Two-letter language code. The language must exist in the Editor Preferences language list. Defaults to \"en\" if `locale.js` detection does not detect another language.\n  * @property {module:SVGEditor.IconSize} [iconsize=\"s\"|\"m\"] Size of the toolbar icons. Will default to 's' if the window height is smaller than the minimum height and 'm' otherwise.\n  * @property {string} [bkgd_color=\"#FFF\"] Color hex for canvas background color. Defaults to white.\n  * @property {string} [bkgd_url=\"\"] Background raster image URL. This image will fill the background of the document; useful for tracing purposes.\n  * @property {\"embed\"|\"ref\"} [img_save=\"embed\"] Defines whether included raster images should be saved as Data URIs when possible, or as URL references. Settable in the Document Properties dialog.\n  * @property {boolean} [save_notice_done=false] Used to track alert status\n  * @property {boolean} [export_notice_done=false] Used to track alert status\n  * @todo `save_notice_done` and `export_notice_done` should be changed to flags rather than preferences\n  */\n  /**\n  * @namespace {module:SVGEditor.Prefs} defaultPrefs\n  * @memberof module:SVGEditor~\n  * @implements {module:SVGEditor.Prefs}\n  */\n  // The iteration algorithm for defaultPrefs does not currently support array/objects\n  defaultPrefs = /** @lends module:SVGEditor~defaultPrefs */ {\n    // EDITOR OPTIONS (DIALOG)\n    /**\n    * Default to \"en\" if locale.js detection does not detect another language\n    */\n    lang: '',\n    /**\n    * Will default to 's' if the window height is smaller than the minimum height and\n    * 'm' otherwise\n    */\n    iconsize: '',\n    bkgd_color: '#FFF',\n    bkgd_url: '',\n    // DOCUMENT PROPERTIES (DIALOG)\n    img_save: 'embed',\n    // ALERT NOTICES\n    // Only shows in UI as far as alert notices, but useful to remember, so keeping as pref\n    save_notice_done: false,\n    export_notice_done: false\n  },\n  /**\n  * @name module:SVGEditor~defaultExtensions\n  * @type {string[]}\n  */\n  defaultExtensions = [\n    'ext-connector.js',\n    'ext-eyedropper.js',\n    'ext-grid.js',\n    'ext-imagelib.js',\n    'ext-markers.js',\n    'ext-overview_window.js',\n    'ext-panning.js',\n    'ext-polygon.js',\n    'ext-shapes.js',\n    'ext-star.js',\n    'ext-storage.js'\n  ],\n  /**\n  * @typedef {\"@default\"|string} module:SVGEditor.Stylesheet `@default` will automatically load all of the default CSS paths for SVGEditor\n  */\n  /**\n  * @typedef {GenericArray} module:SVGEditor.XYDimensions\n  * @property {Integer} length 2\n  * @property {Float} 0\n  * @property {Float} 1\n  */\n  /**\n  * @tutorial ConfigOptions\n  * @interface module:SVGEditor.Config\n  * @property {string} [canvasName=\"default\"] Used to namespace storage provided via `ext-storage.js`; you can use this if you wish to have multiple independent instances of SVG Edit on the same domain\n  * @property {boolean} [no_save_warning=false] If `true`, prevents the warning dialog box from appearing when closing/reloading the page. Mostly useful for testing.\n  * @property {string} [imgPath=\"images/\"] The path where the SVG icons are located, with trailing slash. Note that as of version 2.7, this is not configurable by URL for security reasons.\n  * @property {string} [langPath=\"locale/\"] The path where the language files are located, with trailing slash. Default will be changed to `../dist/locale/` if this is a modular load. Note that as of version 2.7, this is not configurable by URL for security reasons.\n  * @property {string} [extPath=\"extensions/\"] The path used for extension files, with trailing slash. Default will be changed to `../dist/extensions/` if this is a modular load. Note that as of version 2.7, this is not configurable by URL for security reasons.\n  * @property {string} [canvgPath=\"canvg/\"] The path used for `canvg` files, with trailing slash. Default will be changed to `../dist/` if this is a modular load.\n  * @property {string} [jspdfPath=\"jspdf/\"] The path used for `jsPDF` files, with trailing slash. Default will be changed to `../dist/` if this is a modular load.\n  * @property {string} [extIconsPath=\"extensions/\"] The path used for extension icons, with trailing slash.\n  * @property {string} [jGraduatePath=\"jgraduate/images/\"] The path where jGraduate images are located. Note that as of version 2.7, this is not configurable by URL for security reasons.\n  * @property {boolean} [preventAllURLConfig=false] Set to `true` to override the ability for URLs to set non-content configuration (including extension config). Must be set early, i.e., in `svgedit-config-iife.js`; extension loading is too late!\n  * @property {boolean} [preventURLContentLoading=false] Set to `true` to override the ability for URLs to set URL-based SVG content. Must be set early, i.e., in `svgedit-config-iife.js`; extension loading is too late!\n  * @property {boolean} [lockExtensions=false] Set to `true` to override the ability for URLs to set their own extensions; disallowed in URL setting. There is no need for this when `preventAllURLConfig` is used. Must be set early, i.e., in `svgedit-config-iife.js`; extension loading is too late!\n  * @property {boolean} [noDefaultExtensions=false] If set to `true`, prohibits automatic inclusion of default extensions (though \"extensions\" can still be used to add back any desired default extensions along with any other extensions). This can only be meaningfully used in `svgedit-config-iife.js` or in the URL\n  * @property {boolean} [noStorageOnLoad=false] Some interaction with `ext-storage.js`; prevent even the loading of previously saved local storage.\n  * @property {boolean} [forceStorage=false] Some interaction with `ext-storage.js`; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not (and may be required by law in some regions)\n  * @property {boolean} [emptyStorageOnDecline=false] Used by `ext-storage.js`; empty any prior storage if the user declines to store\n  * @property {string[]} [extensions=module:SVGEditor~defaultExtensions] Extensions to load on startup. Use an array in `setConfig` and comma separated file names in the URL. Extension names must begin with \"ext-\". Note that as of version 2.7, paths containing \"/\", \"\\\", or \":\", are disallowed for security reasons. Although previous versions of this list would entirely override the default list, as of version 2.7, the defaults will always be added to this explicit list unless the configuration `noDefaultExtensions` is included.\n  * @property {module:SVGEditor.Stylesheet[]} [stylesheets=[\"@default\"]] An array of required stylesheets to load in parallel; include the value `\"@default\"` within this array to ensure all default stylesheets are loaded.\n  * @property {string[]} [allowedOrigins=[]] Used by `ext-xdomain-messaging.js` to indicate which origins are permitted for cross-domain messaging (e.g., between the embedded editor and main editor code). Besides explicit domains, one might add '*' to allow all domains (not recommended for privacy/data integrity of your user's content!), `window.location.origin` for allowing the same origin (should be safe if you trust all apps on your domain), 'null' to allow `file:///` URL usage\n  * @property {null|PlainObject} [colorPickerCSS=null] Object of CSS properties mapped to values (for jQuery) to apply to the color picker. See {@link http://api.jquery.com/css/#css-properties}. A `null` value (the default) will cause the CSS to default to `left` with a position equal to that of the `fill_color` or `stroke_color` element minus 140, and a `bottom` equal to 40\n  * @property {string} [paramurl] This was available via URL only. Allowed an un-encoded URL within the query string (use \"url\" or \"source\" with a data: URI instead)\n  * @property {Float} [canvas_expansion=3] The minimum area visible outside the canvas, as a multiple of the image dimensions. The larger the number, the more one can scroll outside the canvas.\n  * @property {PlainObject} [initFill] Init fill properties\n  * @property {string} [initFill.color=\"FF0000\"] The initial fill color. Must be a hex code string. Defaults to solid red.\n  * @property {Float} [initFill.opacity=1] The initial fill opacity. Must be a number between 0 and 1\n  * @property {PlainObject} [initStroke] Init stroke properties\n  * @property {Float} [initStroke.width=5] The initial stroke width. Must be a positive number.\n  * @property {string} [initStroke.color=\"000000\"] The initial stroke color. Must be a hex code. Defaults to solid black.\n  * @property {Float} [initStroke.opacity=1] The initial stroke opacity. Must be a number between 0 and 1.\n  * @property {PlainObject} text Text style properties\n  * @property {Float} [text.stroke_width=0] Text stroke width\n  * @property {Float} [text.font_size=24] Text font size\n  * @property {string} [text.font_family=\"serif\"] Text font family\n  * @property {Float} [initOpacity=1] Initial opacity (multiplied by 100)\n  * @property {module:SVGEditor.XYDimensions} [dimensions=[640, 480]] The default width/height of a new document. Use an array in `setConfig` (e.g., `[800, 600]`) and comma separated numbers in the URL.\n  * @property {boolean} [gridSnapping=false] Enable snap to grid by default. Set in Editor Options.\n  * @property {string} [gridColor=\"#000\"] Accepts hex, e.g., '#000'. Set in Editor Options. Defaults to black.\n  * @property {string} [baseUnit=\"px\"] Set in Editor Options.\n  * @property {Float} [snappingStep=10] Set the default grid snapping value. Set in Editor Options.\n  * @property {boolean} [showRulers=true] Initial state of ruler display (v2.6). Set in Editor Options.\n  * @property {string} [initTool=\"select\"] The initially selected tool. Must be either the ID of the button for the tool, or the ID without `tool_` prefix (e.g., \"select\").\n  * @property {boolean} [wireframe=false] Start in wireframe mode\n  * @property {boolean} [showlayers=false] Open the layers side-panel by default.\n  * @property {\"new\"|\"same\"} [exportWindowType=\"new\"] Can be \"new\" or \"same\" to indicate whether new windows will be generated for each export; the `window.name` of the export window is namespaced based on the `canvasName` (and incremented if \"new\" is selected as the type). Introduced 2.8.\n  * @property {boolean} [showGrid=false] Set by `ext-grid.js`; determines whether or not to show the grid by default\n  * @property {boolean} [show_outside_canvas=true] Defines whether or not elements outside the canvas should be visible. Set and used in `svgcanvas.js`.\n  * @property {boolean} [selectNew=true] If true, will replace the selection with the current element and automatically select element objects (when not in \"path\" mode) after they are created, showing their grips (v2.6). Set and used in `svgcanvas.js` (`mouseUp`).\n  * @todo Some others could be preferences as well (e.g., preventing URL changing of extensions, defaultExtensions, stylesheets, colorPickerCSS); Change the following to preferences and add pref controls where missing to the UI (e.g., `canvas_expansion`, `initFill`, `initStroke`, `text`, `initOpacity`, `dimensions`, `initTool`, `wireframe`, `showlayers`, `gridSnapping`, `gridColor`, `baseUnit`, `snappingStep`, `showRulers`, `exportWindowType`, `showGrid`, `show_outside_canvas`, `selectNew`)?\n  */\n  /**\n  * @namespace {module:SVGEditor.Config} defaultConfig\n  * @memberof module:SVGEditor~\n  * @implements {module:SVGEditor.Config}\n  */\n  defaultConfig = {\n    canvasName: 'default',\n    canvas_expansion: 3,\n    initFill: {\n      color: 'FF0000', // solid red\n      opacity: 1\n    },\n    initStroke: {\n      width: 5,\n      color: '000000', // solid black\n      opacity: 1\n    },\n    text: {\n      stroke_width: 0,\n      font_size: 24,\n      font_family: 'serif'\n    },\n    initOpacity: 1,\n    colorPickerCSS: null, // Defaults to 'left' with a position equal to that of the fill_color or stroke_color element minus 140, and a 'bottom' equal to 40\n    initTool: 'select',\n    exportWindowType: 'new', // 'same' (todo: also support 'download')\n    wireframe: false,\n    showlayers: false,\n    no_save_warning: false,\n    // PATH CONFIGURATION\n    // The following path configuration items are disallowed in the URL (as should any future path configurations)\n    imgPath: 'images/',\n    langPath: 'locale/', // Default will be changed if this is a modular load\n    extPath: 'extensions/', // Default will be changed if this is a modular load\n    canvgPath: 'canvg/', // Default will be changed if this is a modular load\n    jspdfPath: 'jspdf/', // Default will be changed if this is a modular load\n    extIconsPath: 'extensions/',\n    jGraduatePath: 'jgraduate/images/',\n    // DOCUMENT PROPERTIES\n    // Change the following to a preference (already in the Document Properties dialog)?\n    dimensions: [640, 480],\n    // EDITOR OPTIONS\n    // Change the following to preferences (already in the Editor Options dialog)?\n    gridSnapping: false,\n    gridColor: '#000',\n    baseUnit: 'px',\n    snappingStep: 10,\n    showRulers: true,\n    // URL BEHAVIOR CONFIGURATION\n    preventAllURLConfig: false,\n    preventURLContentLoading: false,\n    // EXTENSION CONFIGURATION (see also preventAllURLConfig)\n    lockExtensions: false, // Disallowed in URL setting\n    noDefaultExtensions: false, // noDefaultExtensions can only be meaningfully used in `svgedit-config-iife.js` or in the URL\n    // EXTENSION-RELATED (GRID)\n    showGrid: false, // Set by ext-grid.js\n    // EXTENSION-RELATED (STORAGE)\n    noStorageOnLoad: false, // Some interaction with ext-storage.js; prevent even the loading of previously saved local storage\n    forceStorage: false, // Some interaction with ext-storage.js; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not\n    emptyStorageOnDecline: false // Used by ext-storage.js; empty any prior storage if the user declines to store\n  },\n  /**\n  * LOCALE\n  * @name module:SVGEditor.uiStrings\n  * @type {PlainObject}\n  */\n  uiStrings = editor.uiStrings = {};\n\nlet svgCanvas, urldata,\n  isReady = false,\n  customExportImage = false,\n  customExportPDF = false,\n  curPrefs = {},\n  // Note: The difference between Prefs and Config is that Prefs\n  //   can be changed in the UI and are stored in the browser,\n  //   while config cannot\n  curConfig = {\n    // We do not put on defaultConfig to simplify object copying\n    //   procedures (we obtain instead from defaultExtensions)\n    extensions: [],\n    stylesheets: [],\n    /**\n    * Can use `location.origin` to indicate the current\n    * origin. Can contain a '*' to allow all domains or 'null' (as\n    * a string) to support all `file:///` URLs. Cannot be set by\n    * URL for security reasons (not safe, at least for\n    * privacy or data integrity of SVG content).\n    * Might have been fairly safe to allow\n    *   `new URL(location.href).origin` by default but\n    *   avoiding it ensures some more security that even third\n    *   party apps on the same domain also cannot communicate\n    *   with this app by default.\n    * For use with `ext-xdomain-messaging.js`\n    * @todo We might instead make as a user-facing preference.\n    */\n    allowedOrigins: []\n  };\n\nfunction loadSvgString (str, callback) {\n  const success = svgCanvas.setSvgString(str) !== false;\n  callback = callback || $.noop;\n  if (success) {\n    callback(true); // eslint-disable-line standard/no-callback-literal\n  } else {\n    $.alert(uiStrings.notification.errorLoadingSVG, function () {\n      callback(false); // eslint-disable-line standard/no-callback-literal\n    });\n  }\n}\n\n/**\n * @function module:SVGEditor~getImportLocale\n * @param {string} defaultLang\n * @param {string} defaultName\n * @returns {module:SVGEditor~ImportLocale}\n */\nfunction getImportLocale ({defaultLang, defaultName}) {\n  /**\n   * @function module:SVGEditor~ImportLocale\n   * @param {string} [name] Defaults to `defaultName` of {@link module:SVGEditor~getImportLocale}\n   * @param {string} [lang=defaultLang] Defaults to `defaultLang` of {@link module:SVGEditor~getImportLocale}\n   * @returns {Promise} Resolves to {@link module:locale.LocaleStrings}\n   */\n  return async function importLocale ({name = defaultName, lang = defaultLang} = {}) {\n    async function importLocale (lang) {\n      const url = `${curConfig.extPath}ext-locale/${name}/${lang}.js`;\n      return importSetGlobalDefault(url, {\n        global: `svgEditorExtensionLocale_${name}_${lang}`\n      });\n    }\n    try {\n      return importLocale(lang);\n    } catch (err) {\n      return importLocale('en');\n    }\n  };\n}\n\n/**\n* EXPORTS\n*/\n\n/**\n* Store and retrieve preferences\n* @param {string} key The preference name to be retrieved or set\n* @param {string} [val] The value. If the value supplied is missing or falsey, no change to the preference will be made.\n* @returns {string} If val is missing or falsey, the value of the previously stored preference will be returned.\n* @todo Can we change setting on the jQuery namespace (onto editor) to avoid conflicts?\n* @todo Review whether any remaining existing direct references to\n*  getting `curPrefs` can be changed to use `$.pref()` getting to ensure\n*  `defaultPrefs` fallback (also for sake of `allowInitialUserOverride`); specifically, `bkgd_color` could be changed so that\n*  the pref dialog has a button to auto-calculate background, but otherwise uses `$.pref()` to be able to get default prefs\n*  or overridable settings\n*/\n$.pref = function (key, val) {\n  if (val) {\n    curPrefs[key] = val;\n    /**\n    * @name curPrefs\n    * @memberof module:SVGEditor\n    * @implements {module:SVGEditor.Prefs}\n    */\n    editor.curPrefs = curPrefs; // Update exported value\n    return;\n  }\n  return (key in curPrefs) ? curPrefs[key] : defaultPrefs[key];\n};\n\n/*\n* EDITOR PUBLIC METHODS\n// Todo: Sort these methods per invocation order, ideally with init at the end\n// Todo: Prevent execution until init executes if dependent on it?\n*/\neditor.putLocale = putLocale;\neditor.readLang = readLang;\neditor.setStrings = setStrings;\n\n/**\n* Where permitted, sets canvas and/or `defaultPrefs` based on previous\n*  storage. This will override URL settings (for security reasons) but\n*  not `svgedit-config-iife.js` configuration (unless initial user\n*  overriding is explicitly permitted there via `allowInitialUserOverride`).\n* @todo Split `allowInitialUserOverride` into `allowOverrideByURL` and\n*  `allowOverrideByUserStorage` so `svgedit-config-iife.js` can disallow some\n*  individual items for URL setting but allow for user storage AND/OR\n*  change URL setting so that it always uses a different namespace,\n*  so it won't affect pre-existing user storage (but then if users saves\n*  that, it will then be subject to tampering\n* @returns {undefined}\n*/\neditor.loadContentAndPrefs = function () {\n  if (!curConfig.forceStorage &&\n    (curConfig.noStorageOnLoad ||\n        !document.cookie.match(/(?:^|;\\s*)store=(?:prefsAndContent|prefsOnly)/)\n    )\n  ) {\n    return;\n  }\n\n  // LOAD CONTENT\n  if (editor.storage && // Cookies do not have enough available memory to hold large documents\n    (curConfig.forceStorage ||\n      (!curConfig.noStorageOnLoad &&\n        document.cookie.match(/(?:^|;\\s*)store=prefsAndContent/))\n    )\n  ) {\n    const name = 'svgedit-' + curConfig.canvasName;\n    const cached = editor.storage.getItem(name);\n    if (cached) {\n      editor.loadFromString(cached);\n    }\n  }\n\n  // LOAD PREFS\n  for (const key in defaultPrefs) {\n    if (defaultPrefs.hasOwnProperty(key)) { // It's our own config, so we don't need to iterate up the prototype chain\n      const storeKey = 'svg-edit-' + key;\n      if (editor.storage) {\n        const val = editor.storage.getItem(storeKey);\n        if (val) {\n          defaultPrefs[key] = String(val); // Convert to string for FF (.value fails in Webkit)\n        }\n      } else if (window.widget) {\n        defaultPrefs[key] = window.widget.preferenceForKey(storeKey);\n      } else {\n        const result = document.cookie.match(new RegExp('(?:^|;\\\\s*)' + Utils.regexEscape(encodeURIComponent(storeKey)) + '=([^;]+)'));\n        defaultPrefs[key] = result ? decodeURIComponent(result[1]) : '';\n      }\n    }\n  }\n};\n\n/**\n* Allows setting of preferences or configuration (including extensions).\n* @param {module:SVGEditor.Config|module:SVGEditor.Prefs} opts The preferences or configuration (including extensions). See the tutorial on {@tutorial ConfigOptions} for info on config and preferences.\n* @param {PlainObject} [cfgCfg] Describes configuration which applies to the\n*    particular batch of supplied options\n* @param {boolean} [cfgCfg.allowInitialUserOverride=false] Set to true if you wish\n*  to allow initial overriding of settings by the user via the URL\n*  (if permitted) or previously stored preferences (if permitted);\n*  note that it will be too late if you make such calls in extension\n*  code because the URL or preference storage settings will\n*   have already taken place.\n* @param {boolean} [cfgCfg.overwrite=true] Set to false if you wish to\n*  prevent the overwriting of prior-set preferences or configuration\n*  (URL settings will always follow this requirement for security\n*  reasons, so `svgedit-config-iife.js` settings cannot be overridden unless it\n*  explicitly permits via `allowInitialUserOverride` but extension config\n*  can be overridden as they will run after URL settings). Should\n*   not be needed in `svgedit-config-iife.js`.\n* @returns {undefined}\n*/\neditor.setConfig = function (opts, cfgCfg) {\n  cfgCfg = cfgCfg || {};\n  function extendOrAdd (cfgObj, key, val) {\n    if (cfgObj[key] && typeof cfgObj[key] === 'object') {\n      $.extend(true, cfgObj[key], val);\n    } else {\n      cfgObj[key] = val;\n    }\n  }\n  $.each(opts, function (key, val) {\n    if (opts.hasOwnProperty(key)) {\n      // Only allow prefs defined in defaultPrefs\n      if (defaultPrefs.hasOwnProperty(key)) {\n        if (cfgCfg.overwrite === false && (\n          curConfig.preventAllURLConfig ||\n          curPrefs.hasOwnProperty(key)\n        )) {\n          return;\n        }\n        if (cfgCfg.allowInitialUserOverride === true) {\n          defaultPrefs[key] = val;\n        } else {\n          $.pref(key, val);\n        }\n      } else if (['extensions', 'stylesheets', 'allowedOrigins'].includes(key)) {\n        if (cfgCfg.overwrite === false &&\n          (\n            curConfig.preventAllURLConfig ||\n            ['allowedOrigins', 'stylesheets'].includes(key) ||\n            (key === 'extensions' && curConfig.lockExtensions)\n          )\n        ) {\n          return;\n        }\n        curConfig[key] = curConfig[key].concat(val); // We will handle any dupes later\n      // Only allow other curConfig if defined in defaultConfig\n      } else if (defaultConfig.hasOwnProperty(key)) {\n        if (cfgCfg.overwrite === false && (\n          curConfig.preventAllURLConfig ||\n          curConfig.hasOwnProperty(key)\n        )) {\n          return;\n        }\n        // Potentially overwriting of previously set config\n        if (curConfig.hasOwnProperty(key)) {\n          if (cfgCfg.overwrite === false) {\n            return;\n          }\n          extendOrAdd(curConfig, key, val);\n        } else {\n          if (cfgCfg.allowInitialUserOverride === true) {\n            extendOrAdd(defaultConfig, key, val);\n          } else {\n            if (defaultConfig[key] && typeof defaultConfig[key] === 'object') {\n              curConfig[key] = {};\n              $.extend(true, curConfig[key], val); // Merge properties recursively, e.g., on initFill, initStroke objects\n            } else {\n              curConfig[key] = val;\n            }\n          }\n        }\n      }\n    }\n  });\n  /**\n  * @name curConfig\n  * @memberof module:SVGEditor\n  * @implements {module:SVGEditor.Config}\n  */\n  editor.curConfig = curConfig; // Update exported value\n};\n\n/**\n* All methods are optional\n* @interface module:SVGEditor.CustomHandler\n* @type {PlainObject}\n*/\n/**\n* Its responsibilities are:\n*  - invoke a file chooser dialog in 'open' mode\n*  - let user pick a SVG file\n*  - calls [svgCanvas.setSvgString()]{@link module:svgcanvas.SvgCanvas#setSvgString} with the string contents of that file.\n* Not passed any parameters.\n* @function module:SVGEditor.CustomHandler#open\n* @returns {undefined}\n*/\n/**\n* Its responsibilities are:\n*  - accept the string contents of the current document\n*  - invoke a file chooser dialog in 'save' mode\n*  - save the file to location chosen by the user\n* @function module:SVGEditor.CustomHandler#save\n* @param {external:Window} win\n* @param {module:svgcanvas.SvgCanvas#event:saved} svgStr A string of the SVG\n* @listens module:svgcanvas.SvgCanvas#event:saved\n* @returns {undefined}\n*/\n/**\n* Its responsibilities (with regard to the object it is supplied in its 2nd argument) are:\n*  - inform user of any issues supplied via the \"issues\" property\n*  - convert the \"svg\" property SVG string into an image for export;\n*    utilize the properties \"type\" (currently 'PNG', 'JPEG', 'BMP',\n*    'WEBP', 'PDF'), \"mimeType\", and \"quality\" (for 'JPEG' and 'WEBP'\n*    types) to determine the proper output.\n* @function module:SVGEditor.CustomHandler#exportImage\n* @param {external:Window} win\n* @param {module:svgcanvas.SvgCanvas#event:exported} data\n* @listens module:svgcanvas.SvgCanvas#event:exported\n* @returns {undefined}\n*/\n/**\n* @function module:SVGEditor.CustomHandler#exportPDF\n* @param {external:Window} win\n* @param {module:svgcanvas.SvgCanvas#event:exportedPDF} data\n* @listens module:svgcanvas.SvgCanvas#event:exportedPDF\n* @returns {undefined}\n*/\n\n/**\n* Allows one to override default SVGEdit `open`, `save`, and\n* `export` editor behaviors.\n* @param {module:SVGEditor.CustomHandler} opts Extension mechanisms may call `setCustomHandlers` with three functions: `opts.open`, `opts.save`, and `opts.exportImage`\n* @returns {undefined}\n*/\neditor.setCustomHandlers = function (opts) {\n  editor.ready(function () {\n    if (opts.open) {\n      $('#tool_open > input[type=\"file\"]').remove();\n      $('#tool_open').show();\n      svgCanvas.open = opts.open;\n    }\n    if (opts.save) {\n      editor.showSaveWarning = false;\n      svgCanvas.bind('saved', opts.save);\n    }\n    if (opts.exportImage) {\n      customExportImage = opts.exportImage;\n      svgCanvas.bind('exported', customExportImage); // canvg and our RGBColor will be available to the method\n    }\n    if (opts.exportPDF) {\n      customExportPDF = opts.exportPDF;\n      svgCanvas.bind('exportedPDF', customExportPDF); // jsPDF and our RGBColor will be available to the method\n    }\n  });\n};\n\n/**\n* @param {boolean} arg\n* @returns {undefined}\n*/\neditor.randomizeIds = function (arg) {\n  return svgCanvas.randomizeIds(arg);\n};\n\n/**\n* Auto-run after a Promise microtask\n* @returns {undefined}\n*/\neditor.init = function () {\n  const modularVersion = !('svgEditor' in window) ||\n    !window.svgEditor ||\n    window.svgEditor.modules !== false;\n  if (!modularVersion) {\n    Object.assign(defaultConfig, {\n      langPath: '../dist/locale/',\n      extPath: '../dist/extensions/',\n      canvgPath: '../dist/',\n      jspdfPath: '../dist/'\n    });\n  }\n\n  // const host = location.hostname,\n  //  onWeb = host && host.includes('.');\n  // Some FF versions throw security errors here when directly accessing\n  try {\n    if ('localStorage' in window) { // && onWeb removed so Webkit works locally\n      /**\n      * The built-in interface implemented by `localStorage`\n      * @external Storage\n      */\n      /**\n      * @name storage\n      * @memberof module:SVGEditor\n      * @type {external:Storage}\n      */\n      editor.storage = localStorage;\n    }\n  } catch (err) {}\n\n  // Todo: Avoid const-defined functions and group functions together, etc. where possible\n  const goodLangs = [];\n  $('#lang_select option').each(function () {\n    goodLangs.push(this.value);\n  });\n\n  function setupCurPrefs () {\n    curPrefs = $.extend(true, {}, defaultPrefs, curPrefs); // Now safe to merge with priority for curPrefs in the event any are already set\n    // Export updated prefs\n    editor.curPrefs = curPrefs;\n  }\n  function setupCurConfig () {\n    curConfig = $.extend(true, {}, defaultConfig, curConfig); // Now safe to merge with priority for curConfig in the event any are already set\n\n    // Now deal with extensions and other array config\n    if (!curConfig.noDefaultExtensions) {\n      curConfig.extensions = curConfig.extensions.concat(defaultExtensions);\n    }\n    // ...and remove any dupes\n    ['extensions', 'stylesheets', 'allowedOrigins'].forEach(function (cfg) {\n      curConfig[cfg] = $.grep(curConfig[cfg], function (n, i) { // Supposedly faster than filter per http://amandeep1986.blogspot.hk/2015/02/jquery-grep-vs-js-filter.html\n        return i === curConfig[cfg].indexOf(n);\n      });\n    });\n    // Export updated config\n    editor.curConfig = curConfig;\n  }\n  (() => {\n    // Load config/data from URL if given\n    let src, qstr;\n    urldata = $.deparam.querystring(true);\n    if (!$.isEmptyObject(urldata)) {\n      if (urldata.dimensions) {\n        urldata.dimensions = urldata.dimensions.split(',');\n      }\n\n      if (urldata.bkgd_color) {\n        urldata.bkgd_color = '#' + urldata.bkgd_color;\n      }\n\n      if (urldata.extensions) {\n        // For security reasons, disallow cross-domain or cross-folder extensions via URL\n        urldata.extensions = urldata.extensions.match(/[:/\\\\]/) ? '' : urldata.extensions.split(',');\n      }\n\n      // Disallowing extension paths via URL for\n      // security reasons, even for same-domain\n      // ones given potential to interact in undesirable\n      // ways with other script resources\n      [\n        'extPath', 'imgPath', 'extIconsPath', 'canvgPath',\n        'langPath', 'jGraduatePath', 'jspdfPath'\n      ].forEach(function (pathConfig) {\n        if (urldata[pathConfig]) {\n          delete urldata[pathConfig];\n        }\n      });\n\n      editor.setConfig(urldata, {overwrite: false}); // Note: source and url (as with storagePrompt later) are not set on config but are used below\n\n      setupCurConfig();\n\n      if (!curConfig.preventURLContentLoading) {\n        src = urldata.source;\n        qstr = $.param.querystring();\n        if (!src) { // urldata.source may have been null if it ended with '='\n          if (qstr.includes('source=data:')) {\n            src = qstr.match(/source=(data:[^&]*)/)[1];\n          }\n        }\n        if (src) {\n          if (src.startsWith('data:')) {\n            editor.loadFromDataURI(src);\n          } else {\n            editor.loadFromString(src);\n          }\n          return;\n        }\n        if (urldata.url) {\n          editor.loadFromURL(urldata.url);\n          return;\n        }\n      }\n      if (!urldata.noStorageOnLoad || curConfig.forceStorage) {\n        editor.loadContentAndPrefs();\n      }\n    } else {\n      setupCurConfig();\n      editor.loadContentAndPrefs();\n    }\n    setupCurPrefs();\n  })();\n\n  /**\n  * Called internally\n  * @param {string|Element|external:jQuery} elem\n  * @param {string|external:jQuery} iconId\n  * @param {Float} forcedSize Not in use\n  * @returns {undefined}\n  */\n  const setIcon = editor.setIcon = function (elem, iconId, forcedSize) {\n    const icon = (typeof iconId === 'string') ? $.getSvgIcon(iconId, true) : iconId.clone();\n    if (!icon) {\n      console.log('NOTE: Icon image missing: ' + iconId);\n      return;\n    }\n    $(elem).empty().append(icon);\n  };\n\n  /**\n   * @fires module:svgcanvas.SvgCanvas#event:ext-addLangData\n   * @fires module:svgcanvas.SvgCanvas#event:ext-langReady\n   * @fires module:svgcanvas.SvgCanvas#event:ext-langChanged\n   * @fires module:svgcanvas.SvgCanvas#event:extensions_added\n   * @returns {Promise} Resolves to result of {@link module:locale.readLang}\n   */\n  const extAndLocaleFunc = async function () {\n    // const lang = ('lang' in curPrefs) ? curPrefs.lang : null;\n    const {langParam, langData} = await editor.putLocale(null, goodLangs, curConfig);\n    setLang(langParam, langData);\n\n    try {\n      await Promise.all(\n        curConfig.extensions.map(async (extname) => {\n          const extName = extname.match(/^ext-(.+)\\.js/);\n          if (!extName) { // Ensure URL cannot specify some other unintended file in the extPath\n            return;\n          }\n          const url = curConfig.extPath + extname;\n          // Todo: Replace this with `return import(url);` when\n          //   `import()` widely supported\n          /**\n           * @tutorial ExtensionDocs\n           * @typedef {PlainObject} module:SVGEditor.ExtensionObject\n           * @property {string} [name] Name of the extension. Used internally; no need for i18n. Defaults to extension name without beginning \"ext-\" or ending \".js\".\n           * @property {module:svgcanvas.ExtensionInitCallback} [init]\n           */\n          try {\n            /**\n             * @type {module:SVGEditor.ExtensionObject}\n             */\n            const imported = await importSetGlobalDefault(url, {\n              global: 'svgEditorExtension_' + extName[1].replace(/-/g, '_')\n            });\n            const {name = extName[1], init} = imported;\n            const importLocale = getImportLocale({defaultLang: langParam, defaultName: name});\n            return editor.addExtension(name, (init && init.bind(editor)), importLocale);\n          } catch (err) {\n            console.log(err);\n            console.error('Extension failed to load: ' + extname + '; ' + err);\n          }\n        })\n      );\n      svgCanvas.bind('extensions_added',\n        /**\n        * @param {external:Window} win\n        * @param {module:svgcanvas.SvgCanvas#event:extensions_added} data\n        * @listens module:svgcanvas.SvgCanvas#event:extensions_added\n        * @returns {undefined}\n        */\n        (win, data) => {\n          extensionsAdded = true;\n          Actions.setAll();\n\n          $('.flyout_arrow_horiz:empty').each(function () {\n            $(this).append($.getSvgIcon('arrow_right', true).width(5).height(5));\n          });\n          messageQueue.forEach(\n            /**\n             * @param {module:svgcanvas.SvgCanvas#event:message} messageObj\n             * @fires module:svgcanvas.SvgCanvas#event:message\n             * @returns {undefined}\n             */\n            (messageObj) => {\n              svgCanvas.call('message', messageObj);\n            }\n          );\n        }\n      );\n      svgCanvas.call('extensions_added');\n    } catch (err) {\n      console.log(err);\n    }\n  };\n\n  const stateObj = {tool_scale: editor.tool_scale};\n\n  const setFlyoutPositions = function () {\n    $('.tools_flyout').each(function () {\n      const shower = $('#' + this.id + '_show');\n      const {left, top} = shower.offset();\n      const w = shower.outerWidth();\n      $(this).css({left: (left + w) * editor.tool_scale, top});\n    });\n  };\n\n  const uaPrefix = (function () {\n    const regex = /^(Moz|Webkit|Khtml|O|ms|Icab)(?=[A-Z])/;\n    const someScript = document.getElementsByTagName('script')[0];\n    for (const prop in someScript.style) {\n      if (regex.test(prop)) {\n        // test is faster than match, so it's better to perform\n        // that on the lot and match only when necessary\n        return prop.match(regex)[0];\n      }\n    }\n    // Nothing found so far?\n    if ('WebkitOpacity' in someScript.style) { return 'Webkit'; }\n    if ('KhtmlOpacity' in someScript.style) { return 'Khtml'; }\n\n    return '';\n  }());\n\n  const scaleElements = function (elems, scale) {\n    // const prefix = '-' + uaPrefix.toLowerCase() + '-'; // Currently unused\n    const sides = ['top', 'left', 'bottom', 'right'];\n\n    elems.each(function () {\n      // Handled in CSS\n      // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';\n      const el = $(this);\n      const w = el.outerWidth() * (scale - 1);\n      const h = el.outerHeight() * (scale - 1);\n      // const margins = {}; // Currently unused\n\n      for (let i = 0; i < 4; i++) {\n        const s = sides[i];\n        let cur = el.data('orig_margin-' + s);\n        if (cur == null) {\n          cur = parseInt(el.css('margin-' + s), 10);\n          // Cache the original margin\n          el.data('orig_margin-' + s, cur);\n        }\n        let val = cur * scale;\n        if (s === 'right') {\n          val += w;\n        } else if (s === 'bottom') {\n          val += h;\n        }\n\n        el.css('margin-' + s, val);\n        // el.css('outline', '1px solid red');\n      }\n    });\n  };\n\n  /**\n  * Called internally.\n  * @param {module:SVGEditor.IconSize} size\n  * @returns {undefined}\n  */\n  const setIconSize = editor.setIconSize = function (size) {\n    // const elems = $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open');\n    const selToscale = '#tools_top .toolset, #editor_panel > *, #history_panel > *,' +\n  '        #main_button, #tools_left > *, #path_node_panel > *, #multiselected_panel > *,' +\n  '        #g_panel > *, #tool_font_size > *, .tools_flyout';\n\n    const elems = $(selToscale);\n\n    let scale = 1;\n    if (typeof size === 'number') {\n      scale = size;\n    } else {\n      const iconSizes = {s: 0.75, m: 1, l: 1.25, xl: 1.5};\n      scale = iconSizes[size];\n    }\n\n    stateObj.tool_scale = editor.tool_scale = scale;\n\n    setFlyoutPositions();\n    // $('.tools_flyout').each(function () {\n    //   const pos = $(this).position();\n    //   console.log($(this), pos.left+(34 * scale));\n    //   $(this).css({left: pos.left+(34 * scale), top: pos.top+(77 * scale)});\n    //   console.log('l', $(this).css('left'));\n    // });\n    //\n    // const scale = .75;\n\n    const hiddenPs = elems.parents(':hidden');\n    hiddenPs.css('visibility', 'hidden').show();\n    scaleElements(elems, scale);\n    hiddenPs.css('visibility', 'visible').hide();\n    // return;\n\n    $.pref('iconsize', size);\n    $('#iconsize').val(size);\n\n    // Change icon size\n    // $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open')\n    // .find('> svg, > img').each(function () {\n    //   this.setAttribute('width',size_num);\n    //   this.setAttribute('height',size_num);\n    // });\n    //\n    // $.resizeSvgIcons({\n    //   '.flyout_arrow_horiz > svg, .flyout_arrow_horiz > img': size_num / 5,\n    //   '#logo > svg, #logo > img': size_num * 1.3,\n    //   '#tools_bottom .icon_label > *': (size_num === 16 ? 18 : size_num * .75)\n    // });\n    // if (size != 's') {\n    //   $.resizeSvgIcons({'#layerbuttons svg, #layerbuttons img': size_num * .6});\n    // }\n\n    // Note that all rules will be prefixed with '#svg_editor' when parsed\n    const cssResizeRules = {\n      // '.tool_button,\\\n      // .push_button,\\\n      // .tool_button_current,\\\n      // .push_button_pressed,\\\n      // .disabled,\\\n      // .icon_label,\\\n      // .tools_flyout .tool_button': {\n      //   width: {s: '16px', l: '32px', xl: '48px'},\n      //   height: {s: '16px', l: '32px', xl: '48px'},\n      //   padding: {s: '1px', l: '2px', xl: '3px'}\n      // },\n      // '.tool_sep': {\n      //   height: {s: '16px', l: '32px', xl: '48px'},\n      //   margin: {s: '2px 2px', l: '2px 5px', xl: '2px 8px'}\n      // },\n      // '#main_icon': {\n      //   width: {s: '31px', l: '53px', xl: '75px'},\n      //   height: {s: '22px', l: '42px', xl: '64px'}\n      // },\n      '#tools_top': {\n        left: 50 + $('#main_button').width(),\n        height: 72\n      },\n      '#tools_left': {\n        width: 31,\n        top: 74\n      },\n      'div#workarea': {\n        left: 38,\n        top: 74\n      }\n      // '#tools_bottom': {\n      //   left: {s: '27px', l: '46px', xl: '65px'},\n      //   height: {s: '58px', l: '98px', xl: '145px'}\n      // },\n      // '#color_tools': {\n      //   'border-spacing': {s: '0 1px'},\n      //   'margin-top': {s: '-1px'}\n      // },\n      // '#color_tools .icon_label': {\n      //   width: {l:'43px', xl: '60px'}\n      // },\n      // '.color_tool': {\n      //   height: {s: '20px'}\n      // },\n      // '#tool_opacity': {\n      //   top: {s: '1px'},\n      //   height: {s: 'auto', l:'auto', xl:'auto'}\n      // },\n      // '#tools_top input, #tools_bottom input': {\n      //   'margin-top': {s: '2px', l: '4px', xl: '5px'},\n      //   height: {s: 'auto', l: 'auto', xl: 'auto'},\n      //   border: {s: '1px solid #555', l: 'auto', xl: 'auto'},\n      //   'font-size': {s: '.9em', l: '1.2em', xl: '1.4em'}\n      // },\n      // '#zoom_panel': {\n      //   'margin-top': {s: '3px', l: '4px', xl: '5px'}\n      // },\n      // '#copyright, #tools_bottom .label': {\n      //   'font-size': {l: '1.5em', xl: '2em'},\n      //   'line-height': {s: '15px'}\n      // },\n      // '#tools_bottom_2': {\n      //   width: {l: '295px', xl: '355px'},\n      //   top: {s: '4px'}\n      // },\n      // '#tools_top > div, #tools_top': {\n      //   'line-height': {s: '17px', l: '34px', xl: '50px'}\n      // },\n      // '.dropdown button': {\n      //   height: {s: '18px', l: '34px', xl: '40px'},\n      //   'line-height': {s: '18px', l: '34px', xl: '40px'},\n      //   'margin-top': {s: '3px'}\n      // },\n      // '#tools_top label, #tools_bottom label': {\n      //   'font-size': {s: '1em', l: '1.5em', xl: '2em'},\n      //   height: {s: '25px', l: '42px', xl: '64px'}\n      // },\n      // 'div.toolset': {\n      //   height: {s: '25px', l: '42px', xl: '64px'}\n      // },\n      // '#tool_bold, #tool_italic': {\n      //   'font-size': {s: '1.5em', l: '3em', xl: '4.5em'}\n      // },\n      // '#sidepanels': {\n      //   top: {s: '50px', l: '88px', xl: '125px'},\n      //   bottom: {s: '51px', l: '68px', xl: '65px'}\n      // },\n      // '#layerbuttons': {\n      //   width: {l: '130px', xl: '175px'},\n      //   height: {l: '24px', xl: '30px'}\n      // },\n      // '#layerlist': {\n      //   width: {l: '128px', xl: '150px'}\n      // },\n      // '.layer_button': {\n      //   width: {l: '19px', xl: '28px'},\n      //   height: {l: '19px', xl: '28px'}\n      // },\n      // 'input.spin-button': {\n      //   'background-image': {l: 'url('images/spinbtn_updn_big.png')', xl: 'url('images/spinbtn_updn_big.png')'},\n      //   'background-position': {l: '100% -5px', xl: '100% -2px'},\n      //   'padding-right': {l: '24px', xl: '24px' }\n      // },\n      // 'input.spin-button.up': {\n      //   'background-position': {l: '100% -45px', xl: '100% -42px'}\n      // },\n      // 'input.spin-button.down': {\n      //   'background-position': {l: '100% -85px', xl: '100% -82px'}\n      // },\n      // '#position_opts': {\n      //   width: {all: (size_num*4) +'px'}\n      // }\n    };\n\n    let ruleElem = $('#tool_size_rules');\n    if (!ruleElem.length) {\n      ruleElem = $('<style id=\"tool_size_rules\"></style>').appendTo('head');\n    } else {\n      ruleElem.empty();\n    }\n\n    if (size !== 'm') {\n      let styleStr = '';\n      $.each(cssResizeRules, function (selector, rules) {\n        selector = '#svg_editor ' + selector.replace(/,/g, ', #svg_editor');\n        styleStr += selector + '{';\n        $.each(rules, function (prop, values) {\n          let val;\n          if (typeof values === 'number') {\n            val = (values * scale) + 'px';\n          } else if (values[size] || values.all) {\n            val = (values[size] || values.all);\n          }\n          styleStr += (prop + ':' + val + ';');\n        });\n        styleStr += '}';\n      });\n      // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';\n      const prefix = '-' + uaPrefix.toLowerCase() + '-';\n      styleStr += (selToscale + '{' + prefix + 'transform: scale(' + scale + ');}' +\n        ' #svg_editor div.toolset .toolset {' + prefix + 'transform: scale(1); margin: 1px !important;}' + // Hack for markers\n        ' #svg_editor .ui-slider {' + prefix + 'transform: scale(' + (1 / scale) + ');}' // Hack for sliders\n      );\n      ruleElem.text(styleStr);\n    }\n\n    setFlyoutPositions();\n  };\n  $.svgIcons(curConfig.imgPath + 'svg_edit_icons.svg', {\n    w: 24, h: 24,\n    id_match: false,\n    no_img: !isWebkit(), // Opera & Firefox 4 gives odd behavior w/images\n    fallback_path: curConfig.imgPath,\n    fallback: {\n      logo: 'logo.png',\n\n      select: 'select.png',\n      select_node: 'select_node.png',\n\n      square: 'square.png',\n      rect: 'rect.png',\n      fh_rect: 'freehand-square.png',\n      circle: 'circle.png',\n      ellipse: 'ellipse.png',\n      fh_ellipse: 'freehand-circle.png',\n      pencil: 'fhpath.png',\n      pen: 'line.png',\n      text: 'text.png',\n      path: 'path.png',\n      add_subpath: 'add_subpath.png',\n      close_path: 'closepath.png',\n      open_path: 'openpath.png',\n\n      image: 'image.png',\n      zoom: 'zoom.png',\n\n      arrow_right: 'flyouth.png',\n      arrow_right_big: 'arrow_right_big.png',\n      arrow_down: 'dropdown.gif',\n      fill: 'fill.png',\n      stroke: 'stroke.png',\n      opacity: 'opacity.png',\n\n      new_image: 'clear.png',\n      save: 'save.png',\n      export: 'export.png',\n      open: 'open.png',\n      import: 'import.png',\n      docprops: 'document-properties.png',\n      source: 'source.png',\n      wireframe: 'wireframe.png',\n\n      undo: 'undo.png',\n      redo: 'redo.png',\n\n      clone: 'clone.png',\n      delete: 'delete.png',\n      go_up: 'go-up.png',\n      go_down: 'go-down.png',\n      context_menu: 'context_menu.png',\n      move_bottom: 'move_bottom.png',\n      move_top: 'move_top.png',\n      to_path: 'to_path.png',\n      link_controls: 'link_controls.png',\n      reorient: 'reorient.png',\n      group_elements: 'shape_group_elements.png',\n\n      ungroup: 'shape_ungroup.png',\n      unlink_use: 'unlink_use.png',\n      width: 'width.png',\n      height: 'height.png',\n      c_radius: 'c_radius.png',\n      angle: 'angle.png',\n      blur: 'blur.png',\n      fontsize: 'fontsize.png',\n      align: 'align.png',\n\n      align_left: 'align-left.png',\n      align_center: 'align-center.png',\n      align_right: 'align-right.png',\n      align_top: 'align-top.png',\n      align_middle: 'align-middle.png',\n      align_bottom: 'align-bottom.png',\n\n      linecap_butt: 'linecap_butt.png',\n      linecap_square: 'linecap_square.png',\n      linecap_round: 'linecap_round.png',\n      linejoin_miter: 'linejoin_miter.png',\n      linejoin_bevel: 'linejoin_bevel.png',\n      linejoin_round: 'linejoin_round.png',\n      eye: 'eye.png',\n      no_color: 'no_color.png',\n\n      ok: 'save.png',\n      cancel: 'cancel.png',\n      warning: 'warning.png',\n\n      node_delete: 'node_delete.png',\n      node_clone: 'node_clone.png',\n\n      globe_link: 'globe_link.png'\n    },\n    placement: {\n      '#logo': 'logo',\n\n      '#tool_clear div,#layer_new': 'new_image',\n      '#tool_save div': 'save',\n      '#tool_export div': 'export',\n      '#tool_open div div': 'open',\n      '#tool_import div div': 'import',\n      '#tool_source': 'source',\n      '#tool_docprops > div': 'docprops',\n      '#tool_wireframe': 'wireframe',\n\n      '#tool_undo': 'undo',\n      '#tool_redo': 'redo',\n\n      '#tool_select': 'select',\n      '#tool_fhpath': 'pencil',\n      '#tool_line': 'pen',\n      '#tool_rect,#tools_rect_show': 'rect',\n      '#tool_square': 'square',\n      '#tool_fhrect': 'fh_rect',\n      '#tool_ellipse,#tools_ellipse_show': 'ellipse',\n      '#tool_circle': 'circle',\n      '#tool_fhellipse': 'fh_ellipse',\n      '#tool_path': 'path',\n      '#tool_text,#layer_rename': 'text',\n      '#tool_image': 'image',\n      '#tool_zoom': 'zoom',\n\n      '#tool_clone,#tool_clone_multi': 'clone',\n      '#tool_node_clone': 'node_clone',\n      '#layer_delete,#tool_delete,#tool_delete_multi': 'delete',\n      '#tool_node_delete': 'node_delete',\n      '#tool_add_subpath': 'add_subpath',\n      '#tool_openclose_path': 'open_path',\n      '#tool_move_top': 'move_top',\n      '#tool_move_bottom': 'move_bottom',\n      '#tool_topath': 'to_path',\n      '#tool_node_link': 'link_controls',\n      '#tool_reorient': 'reorient',\n      '#tool_group_elements': 'group_elements',\n      '#tool_ungroup': 'ungroup',\n      '#tool_unlink_use': 'unlink_use',\n\n      '#tool_alignleft, #tool_posleft': 'align_left',\n      '#tool_aligncenter, #tool_poscenter': 'align_center',\n      '#tool_alignright, #tool_posright': 'align_right',\n      '#tool_aligntop, #tool_postop': 'align_top',\n      '#tool_alignmiddle, #tool_posmiddle': 'align_middle',\n      '#tool_alignbottom, #tool_posbottom': 'align_bottom',\n      '#cur_position': 'align',\n\n      '#linecap_butt,#cur_linecap': 'linecap_butt',\n      '#linecap_round': 'linecap_round',\n      '#linecap_square': 'linecap_square',\n\n      '#linejoin_miter,#cur_linejoin': 'linejoin_miter',\n      '#linejoin_round': 'linejoin_round',\n      '#linejoin_bevel': 'linejoin_bevel',\n\n      '#url_notice': 'warning',\n\n      '#layer_up': 'go_up',\n      '#layer_down': 'go_down',\n      '#layer_moreopts': 'context_menu',\n      '#layerlist td.layervis': 'eye',\n\n      '#tool_source_save,#tool_docprops_save,#tool_prefs_save': 'ok',\n      '#tool_source_cancel,#tool_docprops_cancel,#tool_prefs_cancel': 'cancel',\n\n      '#rwidthLabel, #iwidthLabel': 'width',\n      '#rheightLabel, #iheightLabel': 'height',\n      '#cornerRadiusLabel span': 'c_radius',\n      '#angleLabel': 'angle',\n      '#linkLabel,#tool_make_link,#tool_make_link_multi': 'globe_link',\n      '#zoomLabel': 'zoom',\n      '#tool_fill label': 'fill',\n      '#tool_stroke .icon_label': 'stroke',\n      '#group_opacityLabel': 'opacity',\n      '#blurLabel': 'blur',\n      '#font_sizeLabel': 'fontsize',\n\n      '.flyout_arrow_horiz': 'arrow_right',\n      '.dropdown button, #main_button .dropdown': 'arrow_down',\n      '#palette .palette_item:first, #fill_bg, #stroke_bg': 'no_color'\n    },\n    resize: {\n      '#logo .svg_icon': 28,\n      '.flyout_arrow_horiz .svg_icon': 5,\n      '.layer_button .svg_icon, #layerlist td.layervis .svg_icon': 14,\n      '.dropdown button .svg_icon': 7,\n      '#main_button .dropdown .svg_icon': 9,\n      '.palette_item:first .svg_icon': 15,\n      '#fill_bg .svg_icon, #stroke_bg .svg_icon': 16,\n      '.toolbar_button button .svg_icon': 16,\n      '.stroke_tool div div .svg_icon': 20,\n      '#tools_bottom label .svg_icon': 18\n    },\n    callback (icons) {\n      $('.toolbar_button button > svg, .toolbar_button button > img').each(function () {\n        $(this).parent().prepend(this);\n      });\n\n      const tleft = $('#tools_left');\n\n      let minHeight;\n      if (tleft.length) {\n        minHeight = tleft.offset().top + tleft.outerHeight();\n      }\n\n      const size = $.pref('iconsize');\n      editor.setIconSize(size || ($(window).height() < minHeight ? 's' : 'm'));\n\n      // Look for any missing flyout icons from plugins\n      $('.tools_flyout').each(function () {\n        const shower = $('#' + this.id + '_show');\n        const sel = shower.attr('data-curopt');\n        // Check if there's an icon here\n        if (!shower.children('svg, img').length) {\n          const clone = $(sel).children().clone();\n          if (clone.length) {\n            clone[0].removeAttribute('style'); // Needed for Opera\n            shower.append(clone);\n          }\n        }\n      });\n\n      function getStylesheetPriority (stylesheet) {\n        switch (stylesheet) {\n        case 'jgraduate/css/jPicker.css':\n          return 1;\n        case 'jgraduate/css/jGraduate.css':\n          return 2;\n        case 'svg-editor.css':\n          return 3;\n        case 'spinbtn/jQuery.SpinButton.css':\n          return 4;\n        default:\n          return Infinity;\n        }\n      }\n      let stylesheets = $.loadingStylesheets.sort((a, b) => {\n        const priorityA = getStylesheetPriority(a);\n        const priorityB = getStylesheetPriority(b);\n        if (priorityA === priorityB) {\n          return 0;\n        }\n        return priorityA > priorityB;\n      });\n      if (curConfig.stylesheets.length) {\n        // Ensure a copy with unique items\n        stylesheets = [...new Set(curConfig.stylesheets)];\n        const idx = stylesheets.indexOf('@default');\n        if (idx > -1) {\n          stylesheets.splice(idx, 1, ...$.loadingStylesheets);\n        }\n      }\n      loadStylesheets(stylesheets, {acceptErrors: ({stylesheetURL, reject, resolve}) => {\n        if ($.loadingStylesheets.includes(stylesheetURL)) {\n          reject(new Error(`Missing expected stylesheet: ${stylesheetURL}`));\n          return;\n        }\n        resolve();\n      }}).then(() => {\n        $('#svg_container')[0].style.visibility = 'visible';\n        editor.runCallbacks();\n      });\n    }\n  });\n\n  /**\n  * @name module:SVGEditor.canvas\n  * @type {module:svgcanvas.SvgCanvas}\n  */\n  editor.canvas = svgCanvas = new SvgCanvas(\n    document.getElementById('svgcanvas'),\n    curConfig\n  );\n  const palette = [ // Todo: Make into configuration item?\n      '#000000', '#3f3f3f', '#7f7f7f', '#bfbfbf', '#ffffff',\n      '#ff0000', '#ff7f00', '#ffff00', '#7fff00',\n      '#00ff00', '#00ff7f', '#00ffff', '#007fff',\n      '#0000ff', '#7f00ff', '#ff00ff', '#ff007f',\n      '#7f0000', '#7f3f00', '#7f7f00', '#3f7f00',\n      '#007f00', '#007f3f', '#007f7f', '#003f7f',\n      '#00007f', '#3f007f', '#7f007f', '#7f003f',\n      '#ffaaaa', '#ffd4aa', '#ffffaa', '#d4ffaa',\n      '#aaffaa', '#aaffd4', '#aaffff', '#aad4ff',\n      '#aaaaff', '#d4aaff', '#ffaaff', '#ffaad4'\n    ],\n    modKey = (isMac() ? 'meta+' : 'ctrl+'), // ⌘\n    path = svgCanvas.pathActions,\n    {undoMgr} = svgCanvas,\n    workarea = $('#workarea'),\n    canvMenu = $('#cmenu_canvas'),\n    // layerMenu = $('#cmenu_layers'), // Unused\n    paintBox = {fill: null, stroke: null};\n\n  let resizeTimer, curScrollPos;\n  let exportWindow = null,\n    defaultImageURL = curConfig.imgPath + 'logo.png',\n    zoomInIcon = 'crosshair',\n    zoomOutIcon = 'crosshair',\n    uiContext = 'toolbars';\n\n  // For external openers\n  (function () {\n    // let the opener know SVG Edit is ready (now that config is set up)\n    const w = window.opener || window.parent;\n    if (w) {\n      try {\n        /**\n         * Triggered on a containing `document` (of `window.opener`\n         * or `window.parent`) when the editor is loaded.\n         * @event module:SVGEditor#event:svgEditorReadyEvent\n         * @type {Event}\n         * @property {true} bubbles\n         * @property {true} cancelable\n         */\n        /**\n         * @name module:SVGEditor.svgEditorReadyEvent\n         * @type {module:SVGEditor#event:svgEditorReadyEvent}\n         */\n        const svgEditorReadyEvent = new w.CustomEvent('svgEditorReady', {\n          bubbles: true,\n          cancelable: true\n        });\n        w.document.documentElement.dispatchEvent(svgEditorReadyEvent);\n      } catch (e) {}\n    }\n  }());\n\n  // This sets up alternative dialog boxes. They mostly work the same way as\n  // their UI counterparts, expect instead of returning the result, a callback\n  // needs to be included that returns the result as its first parameter.\n  // In the future we may want to add additional types of dialog boxes, since\n  // they should be easy to handle this way.\n  (function () {\n    $('#dialog_container').draggable({\n      cancel: '#dialog_content, #dialog_buttons *',\n      containment: 'window'\n    }).css('position', 'absolute');\n    const box = $('#dialog_box'),\n      btnHolder = $('#dialog_buttons'),\n      dialogContent = $('#dialog_content'),\n      dbox = function (type, msg, callback, defaultVal, opts, changeCb, checkbox) {\n        dialogContent.html('<p>' + msg.replace(/\\n/g, '</p><p>') + '</p>')\n          .toggleClass('prompt', (type === 'prompt'));\n        btnHolder.empty();\n\n        const ok = $('<input type=\"button\" value=\"' + uiStrings.common.ok + '\">').appendTo(btnHolder);\n\n        if (type !== 'alert') {\n          $('<input type=\"button\" value=\"' + uiStrings.common.cancel + '\">')\n            .appendTo(btnHolder)\n            .click(function () {\n              box.hide();\n              if (callback) {\n                callback(false); // eslint-disable-line standard/no-callback-literal\n              }\n            });\n        }\n\n        let ctrl, chkbx;\n        if (type === 'prompt') {\n          ctrl = $('<input type=\"text\">').prependTo(btnHolder);\n          ctrl.val(defaultVal || '');\n          ctrl.bind('keydown', 'return', function () { ok.click(); });\n        } else if (type === 'select') {\n          const div = $('<div style=\"text-align:center;\">');\n          ctrl = $('<select>').appendTo(div);\n          if (checkbox) {\n            const label = $('<label>').text(checkbox.label);\n            chkbx = $('<input type=\"checkbox\">').appendTo(label);\n            chkbx.val(checkbox.value);\n            if (checkbox.tooltip) {\n              label.attr('title', checkbox.tooltip);\n            }\n            chkbx.prop('checked', !!checkbox.checked);\n            div.append($('<div>').append(label));\n          }\n          $.each(opts || [], function (opt, val) {\n            if (typeof val === 'object') {\n              ctrl.append($('<option>').val(val.value).html(val.text));\n            } else {\n              ctrl.append($('<option>').html(val));\n            }\n          });\n          dialogContent.append(div);\n          if (defaultVal) {\n            ctrl.val(defaultVal);\n          }\n          if (changeCb) {\n            ctrl.bind('change', 'return', changeCb);\n          }\n          ctrl.bind('keydown', 'return', function () { ok.click(); });\n        } else if (type === 'process') {\n          ok.hide();\n        }\n\n        box.show();\n\n        ok.click(function () {\n          box.hide();\n          const resp = (type === 'prompt' || type === 'select') ? ctrl.val() : true;\n          if (callback) {\n            if (chkbx) {\n              callback(resp, chkbx.prop('checked'));\n            } else {\n              callback(resp);\n            }\n          }\n        }).focus();\n\n        if (type === 'prompt' || type === 'select') {\n          ctrl.focus();\n        }\n      };\n\n    $.alert = function (msg, cb) { dbox('alert', msg, cb); };\n    $.confirm = function (msg, cb) { dbox('confirm', msg, cb); };\n    $.process_cancel = function (msg, cb) { dbox('process', msg, cb); };\n    $.prompt = function (msg, txt, cb) { dbox('prompt', msg, cb, txt); };\n    $.select = function (msg, opts, cb, changeCb, txt, checkbox) { dbox('select', msg, cb, txt, opts, changeCb, checkbox); };\n  }());\n\n  const setSelectMode = function () {\n    const curr = $('.tool_button_current');\n    if (curr.length && curr[0].id !== 'tool_select') {\n      curr.removeClass('tool_button_current').addClass('tool_button');\n      $('#tool_select').addClass('tool_button_current').removeClass('tool_button');\n      $('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all} #svgcanvas svg{cursor:default}');\n    }\n    svgCanvas.setMode('select');\n    workarea.css('cursor', 'auto');\n  };\n\n  // used to make the flyouts stay on the screen longer the very first time\n  // const flyoutspeed = 1250; // Currently unused\n  // let textBeingEntered = false; // Currently unused\n  const origTitle = $('title:first').text();\n  // Make [1,2,5] array\n  const rIntervals = [];\n  for (let i = 0.1; i < 1E5; i *= 10) {\n    rIntervals.push(i);\n    rIntervals.push(2 * i);\n    rIntervals.push(5 * i);\n  }\n\n  // This function highlights the layer passed in (by fading out the other layers)\n  // if no layer is passed in, this function restores the other layers\n  const toggleHighlightLayer = function (layerNameToHighlight) {\n    let i;\n    const curNames = [], numLayers = svgCanvas.getCurrentDrawing().getNumLayers();\n    for (i = 0; i < numLayers; i++) {\n      curNames[i] = svgCanvas.getCurrentDrawing().getLayerName(i);\n    }\n\n    if (layerNameToHighlight) {\n      for (i = 0; i < numLayers; ++i) {\n        if (curNames[i] !== layerNameToHighlight) {\n          svgCanvas.getCurrentDrawing().setLayerOpacity(curNames[i], 0.5);\n        }\n      }\n    } else {\n      for (i = 0; i < numLayers; ++i) {\n        svgCanvas.getCurrentDrawing().setLayerOpacity(curNames[i], 1.0);\n      }\n    }\n  };\n\n  const populateLayers = function () {\n    svgCanvas.clearSelection();\n    const layerlist = $('#layerlist tbody').empty();\n    const selLayerNames = $('#selLayerNames').empty();\n    const drawing = svgCanvas.getCurrentDrawing();\n    const currentLayerName = drawing.getCurrentLayerName();\n    const icon = $.getSvgIcon('eye');\n    let layer = svgCanvas.getCurrentDrawing().getNumLayers();\n    // we get the layers in the reverse z-order (the layer rendered on top is listed first)\n    while (layer--) {\n      const name = drawing.getLayerName(layer);\n      const layerTr = $('<tr class=\"layer\">').toggleClass('layersel', name === currentLayerName);\n      const layerVis = $('<td class=\"layervis\">').toggleClass('layerinvis', !drawing.getLayerVisibility(name));\n      const layerName = $('<td class=\"layername\">' + name + '</td>');\n      layerlist.append(layerTr.append(layerVis, layerName));\n      selLayerNames.append('<option value=\"' + name + '\">' + name + '</option>');\n    }\n    if (icon !== undefined) {\n      const copy = icon.clone();\n      $('td.layervis', layerlist).append(copy);\n      $.resizeSvgIcons({'td.layervis .svg_icon': 14});\n    }\n    // handle selection of layer\n    $('#layerlist td.layername')\n      .mouseup(function (evt) {\n        $('#layerlist tr.layer').removeClass('layersel');\n        $(this.parentNode).addClass('layersel');\n        svgCanvas.setCurrentLayer(this.textContent);\n        evt.preventDefault();\n      })\n      .mouseover(function () {\n        toggleHighlightLayer(this.textContent);\n      })\n      .mouseout(function () {\n        toggleHighlightLayer();\n      });\n    $('#layerlist td.layervis').click(function () {\n      const row = $(this.parentNode).prevAll().length;\n      const name = $('#layerlist tr.layer:eq(' + row + ') td.layername').text();\n      const vis = $(this).hasClass('layerinvis');\n      svgCanvas.setLayerVisibility(name, vis);\n      $(this).toggleClass('layerinvis');\n    });\n\n    // if there were too few rows, let's add a few to make it not so lonely\n    let num = 5 - $('#layerlist tr.layer').size();\n    while (num-- > 0) {\n      // FIXME: there must a better way to do this\n      layerlist.append('<tr><td style=\"color:white\">_</td><td/></tr>');\n    }\n  };\n\n  let editingsource = false;\n  let origSource = '';\n  const showSourceEditor = function (e, forSaving) {\n    if (editingsource) { return; }\n\n    editingsource = true;\n    origSource = svgCanvas.getSvgString();\n    $('#save_output_btns').toggle(!!forSaving);\n    $('#tool_source_back').toggle(!forSaving);\n    $('#svg_source_textarea').val(origSource);\n    $('#svg_source_editor').fadeIn();\n    $('#svg_source_textarea').focus();\n  };\n\n  let selectedElement = null;\n  let multiselected = false;\n\n  const togglePathEditMode = function (editmode, elems) {\n    $('#path_node_panel').toggle(editmode);\n    $('#tools_bottom_2,#tools_bottom_3').toggle(!editmode);\n    if (editmode) {\n      // Change select icon\n      $('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');\n      $('#tool_select').addClass('tool_button_current').removeClass('tool_button');\n      setIcon('#tool_select', 'select_node');\n      multiselected = false;\n      if (elems.length) {\n        selectedElement = elems[0];\n      }\n    } else {\n      setTimeout(() => {\n        setIcon('#tool_select', 'select');\n      }, 1000);\n    }\n  };\n\n  /**\n   * @type {module:svgcanvas.EventHandler}\n   * @param {external:Window} wind\n   * @param {module:svgcanvas.SvgCanvas#event:saved} svg The SVG source\n   * @listens module:svgcanvas.SvgCanvas#event:saved\n   * @returns {undefined}\n   */\n  const saveHandler = function (wind, svg) {\n    editor.showSaveWarning = false;\n\n    // by default, we add the XML prolog back, systems integrating SVG-edit (wikis, CMSs)\n    // can just provide their own custom save handler and might not want the XML prolog\n    svg = '<?xml version=\"1.0\"?>\\n' + svg;\n\n    // IE9 doesn't allow standalone Data URLs\n    // https://connect.microsoft.com/IE/feedback/details/542600/data-uri-images-fail-when-loaded-by-themselves\n    if (isIE()) {\n      showSourceEditor(0, true);\n      return;\n    }\n\n    // Since saving SVGs by opening a new window was removed in Chrome use artificial link-click\n    // https://stackoverflow.com/questions/45603201/window-is-not-allowed-to-navigate-top-frame-navigations-to-data-urls\n    const a = document.createElement('a');\n    a.href = 'data:image/svg+xml;base64,' + Utils.encode64(svg);\n    a.download = 'icon.svg';\n\n    a.click();\n\n    // Alert will only appear the first time saved OR the\n    //   first time the bug is encountered\n    let done = $.pref('save_notice_done');\n    if (done !== 'all') {\n      let note = uiStrings.notification.saveFromBrowser.replace('%s', 'SVG');\n      // Check if FF and has <defs/>\n      if (isGecko()) {\n        if (svg.includes('<defs')) {\n          // warning about Mozilla bug #308590 when applicable (seems to be fixed now in Feb 2013)\n          note += '\\n\\n' + uiStrings.notification.defsFailOnSave;\n          $.pref('save_notice_done', 'all');\n          done = 'all';\n        } else {\n          $.pref('save_notice_done', 'part');\n        }\n      } else {\n        $.pref('save_notice_done', 'all');\n      }\n      if (done !== 'part') {\n        alert(note);\n      }\n    }\n  };\n\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:exported} data\n   * @listens module:svgcanvas.SvgCanvas#event:exported\n   * @returns {undefined}\n   */\n  const exportHandler = function (win, data) {\n    const {issues, exportWindowName} = data;\n\n    if (exportWindowName) {\n      exportWindow = window.open(Utils.blankPageObjectURL || '', exportWindowName); // A hack to get the window via JSON-able name without opening a new one\n    }\n\n    if (!exportWindow || exportWindow.closed) {\n      $.alert(uiStrings.notification.popupWindowBlocked);\n      return;\n    }\n\n    exportWindow.location.href = data.bloburl || data.datauri;\n    const done = $.pref('export_notice_done');\n    if (done !== 'all') {\n      let note = uiStrings.notification.saveFromBrowser.replace('%s', data.type);\n\n      // Check if there are issues\n      if (issues.length) {\n        const pre = '\\n \\u2022 ';\n        note += ('\\n\\n' + uiStrings.notification.noteTheseIssues + pre + issues.join(pre));\n      }\n\n      // Note that this will also prevent the notice even though new issues may appear later.\n      // May want to find a way to deal with that without annoying the user\n      $.pref('export_notice_done', 'all');\n      exportWindow.alert(note);\n    }\n  };\n\n  const operaRepaint = function () {\n    // Repaints canvas in Opera. Needed for stroke-dasharray change as well as fill change\n    if (!window.opera) {\n      return;\n    }\n    $('<p/>').hide().appendTo('body').remove();\n  };\n\n  function setStrokeOpt (opt, changeElem) {\n    const {id} = opt;\n    const bits = id.split('_');\n    const pre = bits[0];\n    const val = bits[1];\n\n    if (changeElem) {\n      svgCanvas.setStrokeAttr('stroke-' + pre, val);\n    }\n    operaRepaint();\n    setIcon('#cur_' + pre, id, 20);\n    $(opt).addClass('current').siblings().removeClass('current');\n  }\n\n  /**\n  * This is a common function used when a tool has been clicked (chosen)\n  * It does several common things:\n  * - removes the `tool_button_current` class from whatever tool currently has it\n  * - hides any flyouts\n  * - adds the `tool_button_current` class to the button passed in\n  * @function module:SVGEDitor.toolButtonClick\n  * @param {string|Element} button The DOM element or string selector representing the toolbar button\n  * @param {boolean} noHiding Whether not to hide any flyouts\n  * @returns {boolean} Whether the button was disabled or not\n  */\n  const toolButtonClick = editor.toolButtonClick = function (button, noHiding) {\n    if ($(button).hasClass('disabled')) { return false; }\n    if ($(button).parent().hasClass('tools_flyout')) { return true; }\n    const fadeFlyouts = 'normal';\n    if (!noHiding) {\n      $('.tools_flyout').fadeOut(fadeFlyouts);\n    }\n    $('#styleoverrides').text('');\n    workarea.css('cursor', 'auto');\n    $('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');\n    $(button).addClass('tool_button_current').removeClass('tool_button');\n    return true;\n  };\n\n  /**\n  * Unless the select toolbar button is disabled, sets the button\n  * and sets the select mode and cursor styles.\n  * @function module:SVGEditor.clickSelect\n  * @returns {undefined}\n  */\n  const clickSelect = editor.clickSelect = function () {\n    if (toolButtonClick('#tool_select')) {\n      svgCanvas.setMode('select');\n      $('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all}, #svgcanvas svg{cursor:default}');\n    }\n  };\n\n  /**\n  * Set a selected image's URL\n  * @function module:SVGEditor.setImageURL\n  * @param {string} url\n  * @returns {undefined}\n  */\n  const setImageURL = editor.setImageURL = function (url) {\n    if (!url) {\n      url = defaultImageURL;\n    }\n    svgCanvas.setImageURL(url);\n    $('#image_url').val(url);\n\n    if (url.startsWith('data:')) {\n      // data URI found\n      $('#image_url').hide();\n      $('#change_image_url').show();\n    } else {\n      // regular URL\n      svgCanvas.embedImage(url, function (dataURI) {\n        // Couldn't embed, so show warning\n        $('#url_notice').toggle(!dataURI);\n        defaultImageURL = url;\n      });\n      $('#image_url').show();\n      $('#change_image_url').hide();\n    }\n  };\n\n  function setBackground (color, url) {\n    // if (color == $.pref('bkgd_color') && url == $.pref('bkgd_url')) { return; }\n    $.pref('bkgd_color', color);\n    $.pref('bkgd_url', url);\n\n    // This should be done in svgcanvas.js for the borderRect fill\n    svgCanvas.setBackground(color, url);\n  }\n\n  function promptImgURL ({cancelDeletes = false} = {}) {\n    let curhref = svgCanvas.getHref(selectedElement);\n    curhref = curhref.startsWith('data:') ? '' : curhref;\n    $.prompt(uiStrings.notification.enterNewImgURL, curhref, function (url) {\n      if (url) {\n        setImageURL(url);\n      } else if (cancelDeletes) {\n        svgCanvas.deleteSelectedElements();\n      }\n    });\n  }\n\n  const setInputWidth = function (elem) {\n    const w = Math.min(Math.max(12 + elem.value.length * 6, 50), 300);\n    $(elem).width(w);\n  };\n\n  function updateRulers (scanvas, zoom) {\n    if (!zoom) { zoom = svgCanvas.getZoom(); }\n    if (!scanvas) { scanvas = $('#svgcanvas'); }\n\n    let d, i;\n    const limit = 30000;\n    const contentElem = svgCanvas.getContentElem();\n    const units = getTypeMap();\n    const unit = units[curConfig.baseUnit]; // 1 = 1px\n\n    // draw x ruler then y ruler\n    for (d = 0; d < 2; d++) {\n      const isX = (d === 0);\n      const dim = isX ? 'x' : 'y';\n      const lentype = isX ? 'width' : 'height';\n      const contentDim = Number(contentElem.getAttribute(dim));\n\n      const $hcanvOrig = $('#ruler_' + dim + ' canvas:first');\n\n      // Bit of a hack to fully clear the canvas in Safari & IE9\n      const $hcanv = $hcanvOrig.clone();\n      $hcanvOrig.replaceWith($hcanv);\n\n      const hcanv = $hcanv[0];\n\n      // Set the canvas size to the width of the container\n      let rulerLen = scanvas[lentype]();\n      const totalLen = rulerLen;\n      hcanv.parentNode.style[lentype] = totalLen + 'px';\n      let ctx = hcanv.getContext('2d');\n      let ctxArr, num, ctxArrNum;\n\n      ctx.fillStyle = 'rgb(200,0,0)';\n      ctx.fillRect(0, 0, hcanv.width, hcanv.height);\n\n      // Remove any existing canvasses\n      $hcanv.siblings().remove();\n\n      // Create multiple canvases when necessary (due to browser limits)\n      if (rulerLen >= limit) {\n        ctxArrNum = parseInt(rulerLen / limit, 10) + 1;\n        ctxArr = [];\n        ctxArr[0] = ctx;\n        let copy;\n        for (i = 1; i < ctxArrNum; i++) {\n          hcanv[lentype] = limit;\n          copy = hcanv.cloneNode(true);\n          hcanv.parentNode.append(copy);\n          ctxArr[i] = copy.getContext('2d');\n        }\n\n        copy[lentype] = rulerLen % limit;\n\n        // set copy width to last\n        rulerLen = limit;\n      }\n\n      hcanv[lentype] = rulerLen;\n\n      const uMulti = unit * zoom;\n\n      // Calculate the main number interval\n      const rawM = 50 / uMulti;\n      let multi = 1;\n      for (i = 0; i < rIntervals.length; i++) {\n        num = rIntervals[i];\n        multi = num;\n        if (rawM <= num) {\n          break;\n        }\n      }\n\n      const bigInt = multi * uMulti;\n\n      ctx.font = '9px sans-serif';\n\n      let rulerD = ((contentDim / uMulti) % multi) * uMulti;\n      let labelPos = rulerD - bigInt;\n      // draw big intervals\n      let ctxNum = 0;\n      while (rulerD < totalLen) {\n        labelPos += bigInt;\n        // const realD = rulerD - contentDim; // Currently unused\n\n        const curD = Math.round(rulerD) + 0.5;\n        if (isX) {\n          ctx.moveTo(curD, 15);\n          ctx.lineTo(curD, 0);\n        } else {\n          ctx.moveTo(15, curD);\n          ctx.lineTo(0, curD);\n        }\n\n        num = (labelPos - contentDim) / uMulti;\n        let label;\n        if (multi >= 1) {\n          label = Math.round(num);\n        } else {\n          const decs = String(multi).split('.')[1].length;\n          label = num.toFixed(decs);\n        }\n\n        // Change 1000s to Ks\n        if (label !== 0 && label !== 1000 && label % 1000 === 0) {\n          label = (label / 1000) + 'K';\n        }\n\n        if (isX) {\n          ctx.fillText(label, rulerD + 2, 8);\n        } else {\n          // draw label vertically\n          const str = String(label).split('');\n          for (i = 0; i < str.length; i++) {\n            ctx.fillText(str[i], 1, (rulerD + 9) + i * 9);\n          }\n        }\n\n        const part = bigInt / 10;\n        // draw the small intervals\n        for (i = 1; i < 10; i++) {\n          let subD = Math.round(rulerD + part * i) + 0.5;\n          if (ctxArr && subD > rulerLen) {\n            ctxNum++;\n            ctx.stroke();\n            if (ctxNum >= ctxArrNum) {\n              i = 10;\n              rulerD = totalLen;\n              continue;\n            }\n            ctx = ctxArr[ctxNum];\n            rulerD -= limit;\n            subD = Math.round(rulerD + part * i) + 0.5;\n          }\n\n          // odd lines are slighly longer\n          const lineNum = (i % 2) ? 12 : 10;\n          if (isX) {\n            ctx.moveTo(subD, 15);\n            ctx.lineTo(subD, lineNum);\n          } else {\n            ctx.moveTo(15, subD);\n            ctx.lineTo(lineNum, subD);\n          }\n        }\n        rulerD += bigInt;\n      }\n      ctx.strokeStyle = '#000';\n      ctx.stroke();\n    }\n  }\n\n  /**\n  * @function module:SVGEditor.updateCanvas\n  * @param {boolean} center\n  * @param {module:math.XYObject} newCtr\n  * @returns {undefined}\n  */\n  const updateCanvas = editor.updateCanvas = function (center, newCtr) {\n    const zoom = svgCanvas.getZoom();\n    const wArea = workarea;\n    const cnvs = $('#svgcanvas');\n\n    let w = workarea.width(), h = workarea.height();\n    const wOrig = w, hOrig = h;\n    const oldCtr = {\n      x: wArea[0].scrollLeft + wOrig / 2,\n      y: wArea[0].scrollTop + hOrig / 2\n    };\n    const multi = curConfig.canvas_expansion;\n    w = Math.max(wOrig, svgCanvas.contentW * zoom * multi);\n    h = Math.max(hOrig, svgCanvas.contentH * zoom * multi);\n\n    if (w === wOrig && h === hOrig) {\n      workarea.css('overflow', 'hidden');\n    } else {\n      workarea.css('overflow', 'scroll');\n    }\n\n    const oldCanY = cnvs.height() / 2;\n    const oldCanX = cnvs.width() / 2;\n    cnvs.width(w).height(h);\n    const newCanY = h / 2;\n    const newCanX = w / 2;\n    const offset = svgCanvas.updateCanvas(w, h);\n\n    const ratio = newCanX / oldCanX;\n\n    const scrollX = w / 2 - wOrig / 2;\n    const scrollY = h / 2 - hOrig / 2;\n\n    if (!newCtr) {\n      const oldDistX = oldCtr.x - oldCanX;\n      const newX = newCanX + oldDistX * ratio;\n\n      const oldDistY = oldCtr.y - oldCanY;\n      const newY = newCanY + oldDistY * ratio;\n\n      newCtr = {\n        x: newX,\n        y: newY\n      };\n    } else {\n      newCtr.x += offset.x;\n      newCtr.y += offset.y;\n    }\n\n    if (center) {\n      // Go to top-left for larger documents\n      if (svgCanvas.contentW > wArea.width()) {\n        // Top-left\n        workarea[0].scrollLeft = offset.x - 10;\n        workarea[0].scrollTop = offset.y - 10;\n      } else {\n        // Center\n        wArea[0].scrollLeft = scrollX;\n        wArea[0].scrollTop = scrollY;\n      }\n    } else {\n      wArea[0].scrollLeft = newCtr.x - wOrig / 2;\n      wArea[0].scrollTop = newCtr.y - hOrig / 2;\n    }\n    if (curConfig.showRulers) {\n      updateRulers(cnvs, zoom);\n      workarea.scroll();\n    }\n    if (urldata.storagePrompt !== true && !editor.storagePromptClosed) {\n      $('#dialog_box').hide();\n    }\n  };\n\n  /**\n   * @fires module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate\n   * @returns {undefined}\n   */\n  const updateToolButtonState = function () {\n    let index, button;\n    const bNoFill = (svgCanvas.getColor('fill') === 'none');\n    const bNoStroke = (svgCanvas.getColor('stroke') === 'none');\n    const buttonsNeedingStroke = ['#tool_fhpath', '#tool_line'];\n    const buttonsNeedingFillAndStroke = ['#tools_rect .tool_button', '#tools_ellipse .tool_button', '#tool_text', '#tool_path'];\n    if (bNoStroke) {\n      for (index in buttonsNeedingStroke) {\n        button = buttonsNeedingStroke[index];\n        if ($(button).hasClass('tool_button_current')) {\n          clickSelect();\n        }\n        $(button).addClass('disabled');\n      }\n    } else {\n      for (index in buttonsNeedingStroke) {\n        button = buttonsNeedingStroke[index];\n        $(button).removeClass('disabled');\n      }\n    }\n\n    if (bNoStroke && bNoFill) {\n      for (index in buttonsNeedingFillAndStroke) {\n        button = buttonsNeedingFillAndStroke[index];\n        if ($(button).hasClass('tool_button_current')) {\n          clickSelect();\n        }\n        $(button).addClass('disabled');\n      }\n    } else {\n      for (index in buttonsNeedingFillAndStroke) {\n        button = buttonsNeedingFillAndStroke[index];\n        $(button).removeClass('disabled');\n      }\n    }\n\n    svgCanvas.runExtensions('toolButtonStateUpdate', /** @type {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} */ {\n      nofill: bNoFill,\n      nostroke: bNoStroke\n    });\n\n    // Disable flyouts if all inside are disabled\n    $('.tools_flyout').each(function () {\n      const shower = $('#' + this.id + '_show');\n      let hasEnabled = false;\n      $(this).children().each(function () {\n        if (!$(this).hasClass('disabled')) {\n          hasEnabled = true;\n        }\n      });\n      shower.toggleClass('disabled', !hasEnabled);\n    });\n\n    operaRepaint();\n  };\n\n  // Updates the toolbar (colors, opacity, etc) based on the selected element\n  // This function also updates the opacity and id elements that are in the context panel\n  const updateToolbar = function () {\n    let i, len;\n    if (selectedElement != null) {\n      switch (selectedElement.tagName) {\n      case 'use':\n      case 'image':\n      case 'foreignObject':\n        break;\n      case 'g':\n      case 'a':\n        // Look for common styles\n        const childs = selectedElement.getElementsByTagName('*');\n        let gWidth = null;\n        for (i = 0, len = childs.length; i < len; i++) {\n          const swidth = childs[i].getAttribute('stroke-width');\n\n          if (i === 0) {\n            gWidth = swidth;\n          } else if (gWidth !== swidth) {\n            gWidth = null;\n          }\n        }\n\n        $('#stroke_width').val(gWidth === null ? '' : gWidth);\n\n        paintBox.fill.update(true);\n        paintBox.stroke.update(true);\n\n        break;\n      default:\n        paintBox.fill.update(true);\n        paintBox.stroke.update(true);\n\n        $('#stroke_width').val(selectedElement.getAttribute('stroke-width') || 1);\n        $('#stroke_style').val(selectedElement.getAttribute('stroke-dasharray') || 'none');\n\n        let attr = selectedElement.getAttribute('stroke-linejoin') || 'miter';\n\n        if ($('#linejoin_' + attr).length) {\n          setStrokeOpt($('#linejoin_' + attr)[0]);\n        }\n\n        attr = selectedElement.getAttribute('stroke-linecap') || 'butt';\n\n        if ($('#linecap_' + attr).length) {\n          setStrokeOpt($('#linecap_' + attr)[0]);\n        }\n      }\n    }\n\n    // All elements including image and group have opacity\n    if (selectedElement != null) {\n      const opacPerc = (selectedElement.getAttribute('opacity') || 1.0) * 100;\n      $('#group_opacity').val(opacPerc);\n      $('#opac_slider').slider('option', 'value', opacPerc);\n      $('#elem_id').val(selectedElement.id);\n      $('#elem_class').val(selectedElement.getAttribute('class'));\n    }\n\n    updateToolButtonState();\n  };\n\n  // updates the context panel tools based on the selected element\n  const updateContextPanel = function () {\n    let elem = selectedElement;\n    // If element has just been deleted, consider it null\n    if (elem != null && !elem.parentNode) { elem = null; }\n    const currentLayerName = svgCanvas.getCurrentDrawing().getCurrentLayerName();\n    const currentMode = svgCanvas.getMode();\n    const unit = curConfig.baseUnit !== 'px' ? curConfig.baseUnit : null;\n\n    const isNode = currentMode === 'pathedit'; // elem ? (elem.id && elem.id.startsWith('pathpointgrip')) : false;\n    const menuItems = $('#cmenu_canvas li');\n    $('#selected_panel, #multiselected_panel, #g_panel, #rect_panel, #circle_panel,' +\n      '#ellipse_panel, #line_panel, #text_panel, #image_panel, #container_panel,' +\n      ' #use_panel, #a_panel').hide();\n    if (elem != null) {\n      const elname = elem.nodeName;\n      // If this is a link with no transform and one child, pretend\n      // its child is selected\n      // if (elname === 'a') { // && !$(elem).attr('transform')) {\n      //   elem = elem.firstChild;\n      // }\n\n      const angle = svgCanvas.getRotationAngle(elem);\n      $('#angle').val(angle);\n\n      const blurval = svgCanvas.getBlur(elem);\n      $('#blur').val(blurval);\n      $('#blur_slider').slider('option', 'value', blurval);\n\n      if (svgCanvas.addedNew) {\n        if (elname === 'image' && svgCanvas.getMode() === 'image') {\n          // Prompt for URL if not a data URL\n          if (!svgCanvas.getHref(elem).startsWith('data:')) {\n            promptImgURL({cancelDeletes: true});\n          }\n        }\n        /* else if (elname == 'text') {\n          // TODO: Do something here for new text\n        } */\n      }\n\n      if (!isNode && currentMode !== 'pathedit') {\n        $('#selected_panel').show();\n        // Elements in this array already have coord fields\n        if (['line', 'circle', 'ellipse'].includes(elname)) {\n          $('#xy_panel').hide();\n        } else {\n          let x, y;\n\n          // Get BBox vals for g, polyline and path\n          if (['g', 'polyline', 'path'].includes(elname)) {\n            const bb = svgCanvas.getStrokedBBox([elem]);\n            if (bb) {\n              ({x, y} = bb);\n            }\n          } else {\n            x = elem.getAttribute('x');\n            y = elem.getAttribute('y');\n          }\n\n          if (unit) {\n            x = convertUnit(x);\n            y = convertUnit(y);\n          }\n\n          $('#selected_x').val(x || 0);\n          $('#selected_y').val(y || 0);\n          $('#xy_panel').show();\n        }\n\n        // Elements in this array cannot be converted to a path\n        const noPath = !['image', 'text', 'path', 'g', 'use'].includes(elname);\n        $('#tool_topath').toggle(noPath);\n        $('#tool_reorient').toggle(elname === 'path');\n        $('#tool_reorient').toggleClass('disabled', angle === 0);\n      } else {\n        const point = path.getNodePoint();\n        $('#tool_add_subpath').removeClass('push_button_pressed').addClass('tool_button');\n        $('#tool_node_delete').toggleClass('disabled', !path.canDeleteNodes);\n\n        // Show open/close button based on selected point\n        setIcon('#tool_openclose_path', path.closed_subpath ? 'open_path' : 'close_path');\n\n        if (point) {\n          const segType = $('#seg_type');\n          if (unit) {\n            point.x = convertUnit(point.x);\n            point.y = convertUnit(point.y);\n          }\n          $('#path_node_x').val(point.x);\n          $('#path_node_y').val(point.y);\n          if (point.type) {\n            segType.val(point.type).removeAttr('disabled');\n          } else {\n            segType.val(4).attr('disabled', 'disabled');\n          }\n        }\n        return;\n      }\n\n      // update contextual tools here\n      const panels = {\n        g: [],\n        a: [],\n        rect: ['rx', 'width', 'height'],\n        image: ['width', 'height'],\n        circle: ['cx', 'cy', 'r'],\n        ellipse: ['cx', 'cy', 'rx', 'ry'],\n        line: ['x1', 'y1', 'x2', 'y2'],\n        text: [],\n        use: []\n      };\n\n      const {tagName} = elem;\n\n      // if ($(elem).data('gsvg')) {\n      //   $('#g_panel').show();\n      // }\n\n      let linkHref = null;\n      if (tagName === 'a') {\n        linkHref = svgCanvas.getHref(elem);\n        $('#g_panel').show();\n      }\n\n      if (elem.parentNode.tagName === 'a') {\n        if (!$(elem).siblings().length) {\n          $('#a_panel').show();\n          linkHref = svgCanvas.getHref(elem.parentNode);\n        }\n      }\n\n      // Hide/show the make_link buttons\n      $('#tool_make_link, #tool_make_link').toggle(!linkHref);\n\n      if (linkHref) {\n        $('#link_url').val(linkHref);\n      }\n\n      if (panels[tagName]) {\n        const curPanel = panels[tagName];\n\n        $('#' + tagName + '_panel').show();\n\n        $.each(curPanel, function (i, item) {\n          let attrVal = elem.getAttribute(item);\n          if (curConfig.baseUnit !== 'px' && elem[item]) {\n            const bv = elem[item].baseVal.value;\n            attrVal = convertUnit(bv);\n          }\n          $('#' + tagName + '_' + item).val(attrVal || 0);\n        });\n\n        if (tagName === 'text') {\n          $('#text_panel').css('display', 'inline');\n          $('#tool_font_size').css('display', 'inline');\n          if (svgCanvas.getItalic()) {\n            $('#tool_italic').addClass('push_button_pressed').removeClass('tool_button');\n          } else {\n            $('#tool_italic').removeClass('push_button_pressed').addClass('tool_button');\n          }\n          if (svgCanvas.getBold()) {\n            $('#tool_bold').addClass('push_button_pressed').removeClass('tool_button');\n          } else {\n            $('#tool_bold').removeClass('push_button_pressed').addClass('tool_button');\n          }\n          $('#font_family').val(elem.getAttribute('font-family'));\n          $('#font_size').val(elem.getAttribute('font-size'));\n          $('#text').val(elem.textContent);\n          if (svgCanvas.addedNew) {\n            // Timeout needed for IE9\n            setTimeout(function () {\n              $('#text').focus().select();\n            }, 100);\n          }\n        // text\n        } else if (tagName === 'image' && svgCanvas.getMode() === 'image') {\n          setImageURL(svgCanvas.getHref(elem));\n        // image\n        } else if (tagName === 'g' || tagName === 'use') {\n          $('#container_panel').show();\n          const title = svgCanvas.getTitle();\n          const label = $('#g_title')[0];\n          label.value = title;\n          setInputWidth(label);\n          $('#g_title').prop('disabled', tagName === 'use');\n        }\n      }\n      menuItems[(tagName === 'g' ? 'en' : 'dis') + 'ableContextMenuItems']('#ungroup');\n      menuItems[((tagName === 'g' || !multiselected) ? 'dis' : 'en') + 'ableContextMenuItems']('#group');\n    // if (elem != null)\n    } else if (multiselected) {\n      $('#multiselected_panel').show();\n      menuItems\n        .enableContextMenuItems('#group')\n        .disableContextMenuItems('#ungroup');\n    } else {\n      menuItems.disableContextMenuItems('#delete,#cut,#copy,#group,#ungroup,#move_front,#move_up,#move_down,#move_back');\n    }\n\n    // update history buttons\n    $('#tool_undo').toggleClass('disabled', undoMgr.getUndoStackSize() === 0);\n    $('#tool_redo').toggleClass('disabled', undoMgr.getRedoStackSize() === 0);\n\n    svgCanvas.addedNew = false;\n\n    if ((elem && !isNode) || multiselected) {\n      // update the selected elements' layer\n      $('#selLayerNames').removeAttr('disabled').val(currentLayerName);\n\n      // Enable regular menu options\n      canvMenu.enableContextMenuItems('#delete,#cut,#copy,#move_front,#move_up,#move_down,#move_back');\n    } else {\n      $('#selLayerNames').attr('disabled', 'disabled');\n    }\n  };\n\n  const updateWireFrame = function () {\n    // Test support\n    if (supportsNonSS) { return; }\n\n    const rule = '#workarea.wireframe #svgcontent * { stroke-width: ' + 1 / svgCanvas.getZoom() + 'px; }';\n    $('#wireframe_rules').text(workarea.hasClass('wireframe') ? rule : '');\n  };\n\n  let curContext = '';\n\n  const updateTitle = function (title) {\n    title = title || svgCanvas.getDocumentTitle();\n    const newTitle = origTitle + (title ? ': ' + title : '');\n\n    // Remove title update with current context info, isn't really necessary\n    // if (curContext) {\n    //   new_title = new_title + curContext;\n    // }\n    $('title:first').text(newTitle);\n  };\n\n  // called when we've selected a different element\n  /**\n  *\n  * @param {external:Window} win\n  * @param {module:svgcanvas.SvgCanvas#event:selected} elems Array of elements that were selected\n  * @listens module:svgcanvas.SvgCanvas#event:selected\n  * @fires module:svgcanvas.SvgCanvas#event:ext-selectedChanged\n  * @returns {undefined}\n  */\n  const selectedChanged = function (win, elems) {\n    const mode = svgCanvas.getMode();\n    if (mode === 'select') {\n      setSelectMode();\n    }\n    const isNode = mode === 'pathedit';\n    // if elems[1] is present, then we have more than one element\n    selectedElement = (elems.length === 1 || elems[1] == null ? elems[0] : null);\n    multiselected = (elems.length >= 2 && elems[1] != null);\n    if (selectedElement != null) {\n      // unless we're already in always set the mode of the editor to select because\n      // upon creation of a text element the editor is switched into\n      // select mode and this event fires - we need our UI to be in sync\n\n      if (!isNode) {\n        updateToolbar();\n      }\n    } // if (elem != null)\n\n    // Deal with pathedit mode\n    togglePathEditMode(isNode, elems);\n    updateContextPanel();\n    svgCanvas.runExtensions('selectedChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} */ {\n      elems,\n      selectedElement,\n      multiselected\n    });\n  };\n\n  // Call when part of element is in process of changing, generally\n  // on mousemove actions like rotate, move, etc.\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:transition} elems\n   * @listens module:svgcanvas.SvgCanvas#event:transition\n   * @fires module:svgcanvas.SvgCanvas#event:ext-elementTransition\n   * @returns {undefined}\n   */\n  const elementTransition = function (win, elems) {\n    const mode = svgCanvas.getMode();\n    const elem = elems[0];\n\n    if (!elem) {\n      return;\n    }\n\n    multiselected = (elems.length >= 2 && elems[1] != null);\n    // Only updating fields for single elements for now\n    if (!multiselected) {\n      switch (mode) {\n      case 'rotate':\n        const ang = svgCanvas.getRotationAngle(elem);\n        $('#angle').val(ang);\n        $('#tool_reorient').toggleClass('disabled', ang === 0);\n        break;\n\n      // TODO: Update values that change on move/resize, etc\n      // case 'select':\n      // case 'resize':\n      //   break;\n      }\n    }\n    svgCanvas.runExtensions('elementTransition', /** @type {module:svgcanvas.SvgCanvas#event:ext-elementTransition} */ {\n      elems\n    });\n  };\n\n  /**\n   * Test whether an element is a layer or not.\n   * @param {SVGGElement} elem - The SVGGElement to test.\n   * @returns {boolean} True if the element is a layer\n   */\n  function isLayer (elem) {\n    return elem && elem.tagName === 'g' && Layer.CLASS_REGEX.test(elem.getAttribute('class'));\n  }\n\n  // called when any element has changed\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:changed} elems\n   * @listens module:svgcanvas.SvgCanvas#event:changed\n   * @fires module:svgcanvas.SvgCanvas#event:ext-elementChanged\n   * @returns {undefined}\n   */\n  const elementChanged = function (win, elems) {\n    const mode = svgCanvas.getMode();\n    if (mode === 'select') {\n      setSelectMode();\n    }\n\n    for (let i = 0; i < elems.length; ++i) {\n      const elem = elems[i];\n\n      const isSvgElem = (elem && elem.tagName === 'svg');\n      if (isSvgElem || isLayer(elem)) {\n        populateLayers();\n        // if the element changed was the svg, then it could be a resolution change\n        if (isSvgElem) {\n          updateCanvas();\n        }\n      // Update selectedElement if element is no longer part of the image.\n      // This occurs for the text elements in Firefox\n      } else if (elem && selectedElement && selectedElement.parentNode == null) {\n        // || elem && elem.tagName == \"path\" && !multiselected) { // This was added in r1430, but not sure why\n        selectedElement = elem;\n      }\n    }\n\n    editor.showSaveWarning = true;\n\n    // we update the contextual panel with potentially new\n    // positional/sizing information (we DON'T want to update the\n    // toolbar here as that creates an infinite loop)\n    // also this updates the history buttons\n\n    // we tell it to skip focusing the text control if the\n    // text element was previously in focus\n    updateContextPanel();\n\n    // In the event a gradient was flipped:\n    if (selectedElement && mode === 'select') {\n      paintBox.fill.update();\n      paintBox.stroke.update();\n    }\n\n    svgCanvas.runExtensions('elementChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-elementChanged} */ {\n      elems\n    });\n  };\n\n  /**\n   * @returns {undefined}\n   */\n  const zoomDone = function () {\n    updateWireFrame();\n    // updateCanvas(); // necessary?\n  };\n\n  /**\n  * @typedef {PlainObject} module:SVGEditor.BBoxObjectWithFactor (like `DOMRect`)\n  * @property {Float} x\n  * @property {Float} y\n  * @property {Float} width\n  * @property {Float} height\n  * @property {Float} [factor] Needed if width or height are 0\n  * @property {Float} [zoom]\n  * @see module:svgcanvas.SvgCanvas#event:zoomed\n  */\n\n  /**\n  * @function module:svgcanvas.SvgCanvas#zoomChanged\n  * @param {external:Window} win\n  * @param {module:svgcanvas.SvgCanvas#event:zoomed} bbox\n  * @param {boolean} autoCenter\n  * @listens module:svgcanvas.SvgCanvas#event:zoomed\n  * @returns {undefined}\n  */\n  const zoomChanged = svgCanvas.zoomChanged = function (win, bbox, autoCenter) {\n    const scrbar = 15,\n      // res = svgCanvas.getResolution(), // Currently unused\n      wArea = workarea;\n    // const canvasPos = $('#svgcanvas').position(); // Currently unused\n    const zInfo = svgCanvas.setBBoxZoom(bbox, wArea.width() - scrbar, wArea.height() - scrbar);\n    if (!zInfo) { return; }\n    const zoomlevel = zInfo.zoom,\n      bb = zInfo.bbox;\n\n    if (zoomlevel < 0.001) {\n      changeZoom({value: 0.1});\n      return;\n    }\n\n    $('#zoom').val((zoomlevel * 100).toFixed(1));\n\n    if (autoCenter) {\n      updateCanvas();\n    } else {\n      updateCanvas(false, {x: bb.x * zoomlevel + (bb.width * zoomlevel) / 2, y: bb.y * zoomlevel + (bb.height * zoomlevel) / 2});\n    }\n\n    if (svgCanvas.getMode() === 'zoom' && bb.width) {\n      // Go to select if a zoom box was drawn\n      setSelectMode();\n    }\n\n    zoomDone();\n  };\n\n  const changeZoom = function (ctl) {\n    const zoomlevel = ctl.value / 100;\n    if (zoomlevel < 0.001) {\n      ctl.value = 0.1;\n      return;\n    }\n    const zoom = svgCanvas.getZoom();\n    const wArea = workarea;\n\n    zoomChanged(window, {\n      width: 0,\n      height: 0,\n      // center pt of scroll position\n      x: (wArea[0].scrollLeft + wArea.width() / 2) / zoom,\n      y: (wArea[0].scrollTop + wArea.height() / 2) / zoom,\n      zoom: zoomlevel\n    }, true);\n  };\n\n  $('#cur_context_panel').delegate('a', 'click', function () {\n    const link = $(this);\n    if (link.attr('data-root')) {\n      svgCanvas.leaveContext();\n    } else {\n      svgCanvas.setContext(link.text());\n    }\n    svgCanvas.clearSelection();\n    return false;\n  });\n\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:contextset} context\n   * @listens module:svgcanvas.SvgCanvas#event:contextset\n   * @returns {undefined}\n   */\n  const contextChanged = function (win, context) {\n    let linkStr = '';\n    if (context) {\n      let str = '';\n      linkStr = '<a href=\"#\" data-root=\"y\">' + svgCanvas.getCurrentDrawing().getCurrentLayerName() + '</a>';\n\n      $(context).parentsUntil('#svgcontent > g').andSelf().each(function () {\n        if (this.id) {\n          str += ' > ' + this.id;\n          if (this !== context) {\n            linkStr += ' > <a href=\"#\">' + this.id + '</a>';\n          } else {\n            linkStr += ' > ' + this.id;\n          }\n        }\n      });\n\n      curContext = str;\n    } else {\n      curContext = null;\n    }\n    $('#cur_context_panel').toggle(!!context).html(linkStr);\n\n    updateTitle();\n  };\n\n  // Makes sure the current selected paint is available to work with\n  const prepPaints = function () {\n    paintBox.fill.prep();\n    paintBox.stroke.prep();\n  };\n\n  const flyoutFuncs = {};\n\n  const setFlyoutTitles = function () {\n    $('.tools_flyout').each(function () {\n      const shower = $('#' + this.id + '_show');\n      if (shower.data('isLibrary')) {\n        return;\n      }\n\n      const tooltips = $(this).children().map(function () {\n        return this.title;\n      }).get();\n      shower[0].title = tooltips.join(' / ');\n    });\n  };\n\n  const allHolders = {};\n  /**\n   * @param {Object.<string, module:SVGEditor.ToolButton>} holders Key is a selector\n   * @returns {undefined}\n   */\n  const setupFlyouts = function (holders) {\n    $.each(holders, function (holdSel, btnOpts) {\n      if (!allHolders[holdSel]) {\n        allHolders[holdSel] = [];\n      }\n      allHolders[holdSel].push(...btnOpts);\n\n      const buttons = $(holdSel).children().not('.tool_button_evt_handled');\n      const showSel = holdSel + '_show';\n      const shower = $(showSel);\n      let def = false;\n      buttons.addClass('tool_button tool_button_evt_handled')\n        .unbind('click mousedown mouseup') // may not be necessary\n        .each(function () {\n          // Get this button's options\n          const idSel = '#' + this.getAttribute('id');\n          const [i, opts] = Object.entries(btnOpts).find(([i, {sel}]) => {\n            return sel === idSel;\n          });\n\n          // Remember the function that goes with this ID\n          flyoutFuncs[opts.sel] = opts.fn;\n\n          if (opts.isDefault) { def = i; }\n\n          /**\n           * Clicking the icon in flyout should set this set's icon\n           * @param {Event} ev\n           * @returns {undefined}\n           */\n          const flyoutAction = function (ev) {\n            let options = opts;\n            // Find the currently selected tool if comes from keystroke\n            if (ev.type === 'keydown') {\n              const flyoutIsSelected = $(options.parent + '_show').hasClass('tool_button_current');\n              const currentOperation = $(options.parent + '_show').attr('data-curopt');\n              Object.entries(holders[opts.parent]).some(([i, tool]) => {\n                if (tool.sel !== currentOperation) {\n                  return;\n                }\n                if (!ev.shiftKey || !flyoutIsSelected) {\n                  options = tool;\n                } else {\n                  // If flyout is selected, allow shift key to iterate through subitems\n                  i = parseInt(i, 10);\n                  // Use `allHolders` to include both extension `includeWith` and toolbarButtons\n                  options = allHolders[opts.parent][i + 1] ||\n                    holders[opts.parent][0];\n                }\n                return true;\n              });\n            }\n            if ($(this).hasClass('disabled')) { return false; }\n            if (toolButtonClick(showSel)) {\n              options.fn();\n            }\n            let icon;\n            if (options.icon) {\n              icon = $.getSvgIcon(options.icon, true);\n            } else {\n              icon = $(options.sel).children().eq(0).clone();\n            }\n\n            icon[0].setAttribute('width', shower.width());\n            icon[0].setAttribute('height', shower.height());\n            shower.children(':not(.flyout_arrow_horiz)').remove();\n            shower.append(icon).attr('data-curopt', options.sel); // This sets the current mode\n          };\n\n          $(this).mouseup(flyoutAction);\n\n          if (opts.key) {\n            $(document).bind('keydown', opts.key[0] + ' shift+' + opts.key[0], flyoutAction);\n          }\n        });\n\n      if (def) {\n        shower.attr('data-curopt', btnOpts[def].sel);\n      } else if (!shower.attr('data-curopt')) {\n        // Set first as default\n        shower.attr('data-curopt', btnOpts[0].sel);\n      }\n\n      let timer;\n      const pos = $(showSel).position();\n\n      // Clicking the \"show\" icon should set the current mode\n      shower.mousedown(function (evt) {\n        if (shower.hasClass('disabled')) {\n          return false;\n        }\n        const holder = $(holdSel);\n        const l = pos.left + 34;\n        const w = holder.width() * -1;\n        const time = holder.data('shown_popop') ? 200 : 0;\n        timer = setTimeout(function () {\n          // Show corresponding menu\n          if (!shower.data('isLibrary')) {\n            holder.css('left', w).show().animate({\n              left: l\n            }, 150);\n          } else {\n            holder.css('left', l).show();\n          }\n          holder.data('shown_popop', true);\n        }, time);\n        evt.preventDefault();\n      }).mouseup(function (evt) {\n        clearTimeout(timer);\n        const opt = $(this).attr('data-curopt');\n        // Is library and popped up, so do nothing\n        if (shower.data('isLibrary') && $(showSel.replace('_show', '')).is(':visible')) {\n          toolButtonClick(showSel, true);\n          return;\n        }\n        if (toolButtonClick(showSel) && flyoutFuncs[opt]) {\n          flyoutFuncs[opt]();\n        }\n      });\n      // $('#tools_rect').mouseleave(function () { $('#tools_rect').fadeOut(); });\n    });\n    setFlyoutTitles();\n    setFlyoutPositions();\n  };\n\n  const makeFlyoutHolder = function (id, child) {\n    const div = $('<div>', {\n      class: 'tools_flyout',\n      id\n    }).appendTo('#svg_editor').append(child);\n\n    return div;\n  };\n\n  // TODO: Combine this with addDropDown or find other way to optimize\n  const addAltDropDown = function (elem, list, callback, opts) {\n    const button = $(elem);\n    const {dropUp} = opts;\n    list = $(list);\n    if (dropUp) {\n      $(elem).addClass('dropup');\n    }\n    list.find('li').bind('mouseup', function () {\n      if (opts.seticon) {\n        setIcon('#cur_' + button[0].id, $(this).children());\n        $(this).addClass('current').siblings().removeClass('current');\n      }\n      callback.apply(this, arguments);\n    });\n\n    let onButton = false;\n    $(window).mouseup(function (evt) {\n      if (!onButton) {\n        button.removeClass('down');\n        list.hide();\n        list.css({top: 0, left: 0});\n      }\n      onButton = false;\n    });\n\n    // const height = list.height(); // Currently unused\n    button.bind('mousedown', function () {\n      const off = button.offset();\n      if (dropUp) {\n        off.top -= list.height();\n        off.left += 8;\n      } else {\n        off.top += button.height();\n      }\n      list.offset(off);\n\n      if (!button.hasClass('down')) {\n        list.show();\n        onButton = true;\n      } else {\n        // CSS position must be reset for Webkit\n        list.hide();\n        list.css({top: 0, left: 0});\n      }\n      button.toggleClass('down');\n    }).hover(function () {\n      onButton = true;\n    }).mouseout(function () {\n      onButton = false;\n    });\n\n    if (opts.multiclick) {\n      list.mousedown(function () {\n        onButton = true;\n      });\n    }\n  };\n\n  const extsPreLang = [];\n  /**\n   * @param {external:Window} win\n   * @param {module:svgcanvas.SvgCanvas#event:extension_added} ext\n   * @listens module:svgcanvas.SvgCanvas#event:extension_added\n   * @returns {Promise} Resolves to `undefined`\n   */\n  const extAdded = function (win, ext) {\n    if (!ext) {\n      return;\n    }\n    let cbCalled = false;\n    let resizeDone = false;\n\n    if (ext.langReady) {\n      if (editor.langChanged) { // We check for this since the \"lang\" pref could have been set by storage\n        const lang = $.pref('lang');\n        ext.langReady({\n          lang,\n          uiStrings,\n          importLocale: getImportLocale({defaultLang: lang, defaultName: ext.name})\n        });\n      } else {\n        extsPreLang.push(ext);\n      }\n    }\n\n    function prepResize () {\n      if (resizeTimer) {\n        clearTimeout(resizeTimer);\n        resizeTimer = null;\n      }\n      if (!resizeDone) {\n        resizeTimer = setTimeout(function () {\n          resizeDone = true;\n          setIconSize($.pref('iconsize'));\n        }, 50);\n      }\n    }\n\n    const runCallback = function () {\n      if (ext.callback && !cbCalled) {\n        cbCalled = true;\n        ext.callback.call(editor);\n      }\n    };\n\n    const btnSelects = [];\n\n    /**\n    * @typedef {PlainObject} module:SVGEditor.ContextTool\n    * @property {string} panel The ID of the existing panel to which the tool is being added. Required.\n    * @property {string} id The ID of the actual tool element. Required.\n    * @property {PlainObject.<string, external:jQuery.Function>|PlainObject.<\"change\", external:jQuery.Function>} events DOM event names keyed to associated functions. Example: `{change () { alert('Option was changed') } }`. \"change\" event is one specifically handled for the \"button-select\" type. Required.\n    * @property {string} title The tooltip text that will appear when the user hovers over the tool. Required.\n    * @property {\"tool_button\"|\"select\"|\"button-select\"|\"input\"|string} type The type of tool being added. Expected.\n    * @property {PlainObject.<string, string>} [options] List of options and their labels for select tools. Example: `{1: 'One', 2: 'Two', all: 'All' }`. Required by \"select\" tools.\n    * @property {string} [container_id] The ID to be given to the tool's container element.\n    * @property {string} [defval] Default value\n    * @property {string|Integer} [colnum] Added as part of the option list class.\n    * @property {string} [label] Label associated with the tool, visible in the UI\n    * @property {Integer} [size] Value of the \"size\" attribute of the tool input\n    * @property {module:jQuerySpinButton.SpinButtonConfig} [spindata] When added to a tool of type \"input\", this tool becomes a \"spinner\" which allows the number to be in/decreased.\n    */\n    if (ext.context_tools) {\n      $.each(ext.context_tools, function (i, tool) {\n        // Add select tool\n        const contId = tool.container_id ? (' id=\"' + tool.container_id + '\"') : '';\n\n        let panel = $('#' + tool.panel);\n        // create the panel if it doesn't exist\n        if (!panel.length) {\n          panel = $('<div>', {id: tool.panel}).appendTo('#tools_top');\n        }\n\n        let html;\n        // TODO: Allow support for other types, or adding to existing tool\n        switch (tool.type) {\n        case 'tool_button':\n          html = '<div class=\"tool_button\">' + tool.id + '</div>';\n          const div = $(html).appendTo(panel);\n          if (tool.events) {\n            $.each(tool.events, function (evt, func) {\n              $(div).bind(evt, func);\n            });\n          }\n          break;\n        case 'select':\n          html = '<label' + contId + '>' +\n            '<select id=\"' + tool.id + '\">';\n          $.each(tool.options, function (val, text) {\n            const sel = (val === tool.defval) ? ' selected' : '';\n            html += '<option value=\"' + val + '\"' + sel + '>' + text + '</option>';\n          });\n          html += '</select></label>';\n          // Creates the tool, hides & adds it, returns the select element\n          const sel = $(html).appendTo(panel).find('select');\n\n          $.each(tool.events, function (evt, func) {\n            $(sel).bind(evt, func);\n          });\n          break;\n        case 'button-select':\n          html = '<div id=\"' + tool.id + '\" class=\"dropdown toolset\" title=\"' + tool.title + '\">' +\n            '<div id=\"cur_' + tool.id + '\" class=\"icon_label\"></div><button></button></div>';\n\n          const list = $('<ul id=\"' + tool.id + '_opts\"></ul>').appendTo('#option_lists');\n\n          if (tool.colnum) {\n            list.addClass('optcols' + tool.colnum);\n          }\n\n          // Creates the tool, hides & adds it, returns the select element\n          /* const dropdown = */ $(html).appendTo(panel).children();\n\n          btnSelects.push({\n            elem: ('#' + tool.id),\n            list: ('#' + tool.id + '_opts'),\n            title: tool.title,\n            callback: tool.events.change,\n            cur: ('#cur_' + tool.id)\n          });\n\n          break;\n        case 'input':\n          html = '<label' + contId + '>' +\n            '<span id=\"' + tool.id + '_label\">' +\n            tool.label + ':</span>' +\n            '<input id=\"' + tool.id + '\" title=\"' + tool.title +\n            '\" size=\"' + (tool.size || '4') + '\" value=\"' + (tool.defval || '') + '\" type=\"text\"/></label>';\n\n          // Creates the tool, hides & adds it, returns the select element\n\n          // Add to given tool.panel\n          const inp = $(html).appendTo(panel).find('input');\n\n          if (tool.spindata) {\n            inp.SpinButton(tool.spindata);\n          }\n\n          if (tool.events) {\n            $.each(tool.events, function (evt, func) {\n              inp.bind(evt, func);\n            });\n          }\n          break;\n\n        default:\n          break;\n        }\n      });\n    }\n\n    const {svgicons} = ext;\n    if (ext.buttons) {\n      const fallbackObj = {},\n        placementObj = {},\n        holders = {};\n\n      /**\n      * @typedef {GenericArray} module:SVGEditor.KeyArray\n      * @property {string} 0 The key to bind (on `keydown`)\n      * @property {boolean} 1 Whether to `preventDefault` on the `keydown` event\n      * @property {boolean} 2 Not apparently in use (NoDisableInInput)\n      */\n      /**\n       * @typedef {string|module:SVGEditor.KeyArray} module:SVGEditor.Key\n       */\n      /**\n      * @typedef {PlainObject} module:SVGEditor.Button\n      * @property {string} id A unique identifier for this button. If SVG icons are used, this must match the ID used in the icon file. Required.\n      * @property {\"mode_flyout\"|\"mode\"|\"context\"|\"app_menu\"} type Type of button. Required.\n      * @property {string} title The tooltip text that will appear when the user hovers over the icon. Required.\n      * @property {PlainObject.<string, external:jQuery.Function>|PlainObject.<\"click\", external:jQuery.Function>} events DOM event names with associated functions. Example: `{click () { alert('Button was clicked') } }`. Click is used with `includeWith` and `type` of \"mode_flyout\" (and \"mode\"); any events may be added if `list` is not present. Expected.\n      * @property {string} panel The ID of the context panel to be included, if type is \"context\". Required only if type is \"context\".\n      * @property {string} icon The file path to the raster version of the icon image source. Required only if no `svgicons` is supplied from [ExtensionInitResponse]{@link module:svgcanvas.ExtensionInitResponse}.\n      * @property {string} [svgicon] If absent, will utilize the button \"id\"; used to set \"placement\" on the `svgIcons` call\n      * @property {string} [list] Points to the \"id\" of a `context_tools` item of type \"button-select\" into which the button will be added as a panel list item\n      * @property {Integer} [position] The numeric index for placement; defaults to last position (as of the time of extension addition) if not present. For use with {@link http://api.jquery.com/eq/}.\n      * @property {boolean} [isDefault] Whether or not the button is the default. Used with `list`.\n      * @property {PlainObject} [includeWith] Object with flyout menu data\n      * @property {boolean} [includeWith.isDefault] Indicates whether button is default in flyout list or not.\n      * @property {string} includeWith.button jQuery selector of the existing button to be joined. Example: '#tool_line'. Required if `includeWith` is used.\n      * @property {\"last\"|Integer} [includeWith.position] Position of icon in flyout list; will be added to end if not indicated. Integer is for use with {@link http://api.jquery.com/eq/}.\n      * @property {module:SVGEditor.Key} [key] The key to bind to the button\n      */\n      // Add buttons given by extension\n      $.each(ext.buttons, function (i, /** @type {module:SVGEditor.Button} */ btn) {\n        let {id} = btn;\n        let num = i;\n        // Give button a unique ID\n        while ($('#' + id).length) {\n          id = btn.id + '_' + (++num);\n        }\n\n        let icon;\n        if (!svgicons) {\n          icon = $('<img src=\"' + btn.icon + '\">');\n        } else {\n          fallbackObj[id] = btn.icon;\n          const svgicon = btn.svgicon || btn.id;\n          if (btn.type === 'app_menu') {\n            placementObj['#' + id + ' > div'] = svgicon;\n          } else {\n            placementObj['#' + id] = svgicon;\n          }\n        }\n\n        let cls, parent;\n\n        // Set button up according to its type\n        switch (btn.type) {\n        case 'mode_flyout':\n        case 'mode':\n          cls = 'tool_button';\n          parent = '#tools_left';\n          break;\n        case 'context':\n          cls = 'tool_button';\n          parent = '#' + btn.panel;\n          // create the panel if it doesn't exist\n          if (!$(parent).length) {\n            $('<div>', {id: btn.panel}).appendTo('#tools_top');\n          }\n          break;\n        case 'app_menu':\n          cls = '';\n          parent = '#main_menu ul';\n          break;\n        }\n        let flyoutHolder, showBtn, refData, refBtn;\n        const button = $((btn.list || btn.type === 'app_menu') ? '<li/>' : '<div/>')\n          .attr('id', id)\n          .attr('title', btn.title)\n          .addClass(cls);\n        if (!btn.includeWith && !btn.list) {\n          if ('position' in btn) {\n            if ($(parent).children().eq(btn.position).length) {\n              $(parent).children().eq(btn.position).before(button);\n            } else {\n              $(parent).children().last().before(button);\n            }\n          } else {\n            button.appendTo(parent);\n          }\n\n          if (btn.type === 'mode_flyout') {\n          // Add to flyout menu / make flyout menu\n            // const opts = btn.includeWith;\n            // // opts.button, default, position\n            refBtn = $(button);\n\n            flyoutHolder = refBtn.parent();\n            // Create a flyout menu if there isn't one already\n            let tlsId;\n            if (!refBtn.parent().hasClass('tools_flyout')) {\n              // Create flyout placeholder\n              tlsId = refBtn[0].id.replace('tool_', 'tools_');\n              showBtn = refBtn.clone()\n                .attr('id', tlsId + '_show')\n                .append($('<div>', {class: 'flyout_arrow_horiz'}));\n\n              refBtn.before(showBtn);\n\n              // Create a flyout div\n              flyoutHolder = makeFlyoutHolder(tlsId, refBtn);\n              flyoutHolder.data('isLibrary', true);\n              showBtn.data('isLibrary', true);\n            }\n            // refData = Actions.getButtonData(opts.button);\n\n            placementObj['#' + tlsId + '_show'] = btn.id;\n            // TODO: Find way to set the current icon using the iconloader if this is not default\n\n            // Include data for extension button as well as ref button\n            /* curH = */ holders['#' + flyoutHolder[0].id] = [{\n              sel: '#' + id,\n              fn: btn.events.click,\n              icon: btn.id,\n              // key: btn.key,\n              isDefault: true\n            }]; // , refData\n            //\n            // // {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}\n            //\n            // const pos = ('position' in opts)?opts.position:'last';\n            // const len = flyoutHolder.children().length;\n            //\n            // // Add at given position or end\n            // if (!isNaN(pos) && pos >= 0 && pos < len) {\n            //   flyoutHolder.children().eq(pos).before(button);\n            // } else {\n            //   flyoutHolder.append(button);\n            //   curH.reverse();\n            // }\n          } else if (btn.type === 'app_menu') {\n            button.append('<div>').append(btn.title);\n          }\n        } else if (btn.list) {\n          // Add button to list\n          button.addClass('push_button');\n          $('#' + btn.list + '_opts').append(button);\n          if (btn.isDefault) {\n            $('#cur_' + btn.list).append(button.children().clone());\n            const svgicon = btn.svgicon || btn.id;\n            placementObj['#cur_' + btn.list] = svgicon;\n          }\n        } else if (btn.includeWith) {\n          // Add to flyout menu / make flyout menu\n          const opts = btn.includeWith;\n          // opts.button, default, position\n          refBtn = $(opts.button);\n\n          flyoutHolder = refBtn.parent();\n          // Create a flyout menu if there isn't one already\n          let tlsId;\n          if (!refBtn.parent().hasClass('tools_flyout')) {\n            // Create flyout placeholder\n            tlsId = refBtn[0].id.replace('tool_', 'tools_');\n            showBtn = refBtn.clone()\n              .attr('id', tlsId + '_show')\n              .append($('<div>', {class: 'flyout_arrow_horiz'}));\n\n            refBtn.before(showBtn);\n            // Create a flyout div\n            flyoutHolder = makeFlyoutHolder(tlsId, refBtn);\n          }\n\n          refData = Actions.getButtonData(opts.button);\n\n          if (opts.isDefault) {\n            placementObj['#' + tlsId + '_show'] = btn.id;\n          }\n          // TODO: Find way to set the current icon using the iconloader if this is not default\n\n          // Include data for extension button as well as ref button\n          const curH = holders['#' + flyoutHolder[0].id] = [{\n            sel: '#' + id,\n            fn: btn.events.click,\n            icon: btn.id,\n            key: btn.key,\n            isDefault: Boolean(btn.includeWith && btn.includeWith.isDefault)\n          }, refData];\n\n          // {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}\n\n          const pos = ('position' in opts) ? opts.position : 'last';\n          const len = flyoutHolder.children().length;\n\n          // Add at given position or end\n          if (!isNaN(pos) && pos >= 0 && pos < len) {\n            flyoutHolder.children().eq(pos).before(button);\n          } else {\n            flyoutHolder.append(button);\n            curH.reverse();\n          }\n        }\n\n        if (!svgicons) {\n          button.append(icon);\n        }\n\n        if (!btn.list) {\n          // Add given events to button\n          $.each(btn.events, function (name, func) {\n            if (name === 'click' && btn.type === 'mode') {\n              if (btn.includeWith) {\n                button.bind(name, func);\n              } else {\n                button.bind(name, function () {\n                  if (toolButtonClick(button)) {\n                    func();\n                  }\n                });\n              }\n              if (btn.key) {\n                $(document).bind('keydown', btn.key, func);\n                if (btn.title) {\n                  button.attr('title', btn.title + ' [' + btn.key + ']');\n                }\n              }\n            } else {\n              button.bind(name, func);\n            }\n          });\n        }\n\n        setupFlyouts(holders);\n      });\n\n      $.each(btnSelects, function () {\n        addAltDropDown(this.elem, this.list, this.callback, {seticon: true});\n      });\n\n      if (svgicons) {\n        return new Promise((resolve, reject) => {\n          $.svgIcons(svgicons, {\n            w: 24, h: 24,\n            id_match: false,\n            no_img: (!isWebkit()),\n            fallback: fallbackObj,\n            placement: placementObj,\n            callback (icons) {\n              // Non-ideal hack to make the icon match the current size\n              // if (curPrefs.iconsize && curPrefs.iconsize !== 'm') {\n              if ($.pref('iconsize') !== 'm') {\n                prepResize();\n              }\n              runCallback();\n              resolve();\n            }\n          });\n        });\n      }\n    }\n    return runCallback();\n  };\n\n  const getPaint = function (color, opac, type) {\n    // update the editor's fill paint\n    const opts = {alpha: opac};\n    if (color.startsWith('url(#')) {\n      let refElem = svgCanvas.getRefElem(color);\n      if (refElem) {\n        refElem = refElem.cloneNode(true);\n      } else {\n        refElem = $('#' + type + '_color defs *')[0];\n      }\n      opts[refElem.tagName] = refElem;\n    } else if (color.startsWith('#')) {\n      opts.solidColor = color.substr(1);\n    } else {\n      opts.solidColor = 'none';\n    }\n    return new $.jGraduate.Paint(opts);\n  };\n\n  // $('#text').focus(function () { textBeingEntered = true; });\n  // $('#text').blur(function () { textBeingEntered = false; });\n\n  // bind the selected event to our function that handles updates to the UI\n  svgCanvas.bind('selected', selectedChanged);\n  svgCanvas.bind('transition', elementTransition);\n  svgCanvas.bind('changed', elementChanged);\n  svgCanvas.bind('saved', saveHandler);\n  svgCanvas.bind('exported', exportHandler);\n  svgCanvas.bind('exportedPDF', function (win, data) {\n    if (!data.output) { // Ignore Chrome\n      return;\n    }\n    const {exportWindowName} = data;\n    if (exportWindowName) {\n      exportWindow = window.open('', exportWindowName); // A hack to get the window via JSON-able name without opening a new one\n    }\n    if (!exportWindow || exportWindow.closed) {\n      $.alert(uiStrings.notification.popupWindowBlocked);\n      return;\n    }\n    exportWindow.location.href = data.output;\n  });\n  svgCanvas.bind('zoomed', zoomChanged);\n  svgCanvas.bind('zoomDone', zoomDone);\n  svgCanvas.bind(\n    'updateCanvas',\n    /**\n     * @param {external:Window} win\n     * @param {false} center\n     * @param {module:math.XYObject} newCtr\n     * @listens module:svgcanvas.SvgCanvas#event:updateCanvas\n     * @returns {undefined}\n     */\n    function (win, {center, newCtr}) {\n      updateCanvas(center, newCtr);\n    }\n  );\n  svgCanvas.bind('contextset', contextChanged);\n  svgCanvas.bind('extension_added', extAdded);\n  svgCanvas.textActions.setInputElem($('#text')[0]);\n\n  let str = '<div class=\"palette_item\" data-rgb=\"none\"></div>';\n  $.each(palette, function (i, item) {\n    str += '<div class=\"palette_item\" style=\"background-color: ' + item + ';\" data-rgb=\"' + item + '\"></div>';\n  });\n  $('#palette').append(str);\n\n  // Set up editor background functionality\n  // TODO add checkerboard as \"pattern\"\n  const colorBlocks = ['#FFF', '#888', '#000']; // ,'url(data:image/gif;base64,R0lGODlhEAAQAIAAAP%2F%2F%2F9bW1iH5BAAAAAAALAAAAAAQABAAAAIfjG%2Bgq4jM3IFLJgpswNly%2FXkcBpIiVaInlLJr9FZWAQA7)'];\n  str = '';\n  $.each(colorBlocks, function () {\n    str += '<div class=\"color_block\" style=\"background-color:' + this + ';\"></div>';\n  });\n  $('#bg_blocks').append(str);\n  const blocks = $('#bg_blocks div');\n  const curBg = 'cur_background';\n  blocks.each(function () {\n    const blk = $(this);\n    blk.click(function () {\n      blocks.removeClass(curBg);\n      $(this).addClass(curBg);\n    });\n  });\n\n  setBackground($.pref('bkgd_color'), $.pref('bkgd_url'));\n\n  $('#image_save_opts input').val([$.pref('img_save')]);\n\n  const changeRectRadius = function (ctl) {\n    svgCanvas.setRectRadius(ctl.value);\n  };\n\n  const changeFontSize = function (ctl) {\n    svgCanvas.setFontSize(ctl.value);\n  };\n\n  const changeStrokeWidth = function (ctl) {\n    let val = ctl.value;\n    if (val === 0 && selectedElement && ['line', 'polyline'].includes(selectedElement.nodeName)) {\n      val = ctl.value = 1;\n    }\n    svgCanvas.setStrokeWidth(val);\n  };\n\n  const changeRotationAngle = function (ctl) {\n    svgCanvas.setRotationAngle(ctl.value);\n    $('#tool_reorient').toggleClass('disabled', parseInt(ctl.value, 10) === 0);\n  };\n\n  const changeOpacity = function (ctl, val) {\n    if (val == null) { val = ctl.value; }\n    $('#group_opacity').val(val);\n    if (!ctl || !ctl.handle) {\n      $('#opac_slider').slider('option', 'value', val);\n    }\n    svgCanvas.setOpacity(val / 100);\n  };\n\n  const changeBlur = function (ctl, val, noUndo) {\n    if (val == null) { val = ctl.value; }\n    $('#blur').val(val);\n    let complete = false;\n    if (!ctl || !ctl.handle) {\n      $('#blur_slider').slider('option', 'value', val);\n      complete = true;\n    }\n    if (noUndo) {\n      svgCanvas.setBlurNoUndo(val);\n    } else {\n      svgCanvas.setBlur(val, complete);\n    }\n  };\n\n  $('#stroke_style').change(function () {\n    svgCanvas.setStrokeAttr('stroke-dasharray', $(this).val());\n    operaRepaint();\n  });\n\n  $('#stroke_linejoin').change(function () {\n    svgCanvas.setStrokeAttr('stroke-linejoin', $(this).val());\n    operaRepaint();\n  });\n\n  // Lose focus for select elements when changed (Allows keyboard shortcuts to work better)\n  $('select').change(function () { $(this).blur(); });\n\n  // fired when user wants to move elements to another layer\n  let promptMoveLayerOnce = false;\n  $('#selLayerNames').change(function () {\n    const destLayer = this.options[this.selectedIndex].value;\n    const confirmStr = uiStrings.notification.QmoveElemsToLayer.replace('%s', destLayer);\n    const moveToLayer = function (ok) {\n      if (!ok) { return; }\n      promptMoveLayerOnce = true;\n      svgCanvas.moveSelectedToLayer(destLayer);\n      svgCanvas.clearSelection();\n      populateLayers();\n    };\n    if (destLayer) {\n      if (promptMoveLayerOnce) {\n        moveToLayer(true);\n      } else {\n        $.confirm(confirmStr, moveToLayer);\n      }\n    }\n  });\n\n  $('#font_family').change(function () {\n    svgCanvas.setFontFamily(this.value);\n  });\n\n  $('#seg_type').change(function () {\n    svgCanvas.setSegType($(this).val());\n  });\n\n  $('#text').bind('keyup input', function () {\n    svgCanvas.setTextContent(this.value);\n  });\n\n  $('#image_url').change(function () {\n    setImageURL(this.value);\n  });\n\n  $('#link_url').change(function () {\n    if (this.value.length) {\n      svgCanvas.setLinkURL(this.value);\n    } else {\n      svgCanvas.removeHyperlink();\n    }\n  });\n\n  $('#g_title').change(function () {\n    svgCanvas.setGroupTitle(this.value);\n  });\n\n  $('.attr_changer').change(function () {\n    const attr = this.getAttribute('data-attr');\n    let val = this.value;\n    const valid = isValidUnit(attr, val, selectedElement);\n\n    if (!valid) {\n      $.alert(uiStrings.notification.invalidAttrValGiven);\n      this.value = selectedElement.getAttribute(attr);\n      return false;\n    }\n\n    if (attr !== 'id' && attr !== 'class') {\n      if (isNaN(val)) {\n        val = svgCanvas.convertToNum(attr, val);\n      } else if (curConfig.baseUnit !== 'px') {\n        // Convert unitless value to one with given unit\n\n        const unitData = getTypeMap();\n\n        if (selectedElement[attr] || svgCanvas.getMode() === 'pathedit' || attr === 'x' || attr === 'y') {\n          val *= unitData[curConfig.baseUnit];\n        }\n      }\n    }\n\n    // if the user is changing the id, then de-select the element first\n    // change the ID, then re-select it with the new ID\n    if (attr === 'id') {\n      const elem = selectedElement;\n      svgCanvas.clearSelection();\n      elem.id = val;\n      svgCanvas.addToSelection([elem], true);\n    } else {\n      svgCanvas.changeSelectedAttribute(attr, val);\n    }\n    this.blur();\n  });\n\n  // Prevent selection of elements when shift-clicking\n  $('#palette').mouseover(function () {\n    const inp = $('<input type=\"hidden\">');\n    $(this).append(inp);\n    inp.focus().remove();\n  });\n\n  $('.palette_item').mousedown(function (evt) {\n    // shift key or right click for stroke\n    const picker = evt.shiftKey || evt.button === 2 ? 'stroke' : 'fill';\n    let color = $(this).data('rgb');\n    let paint;\n\n    // Webkit-based browsers returned 'initial' here for no stroke\n    if (color === 'none' || color === 'transparent' || color === 'initial') {\n      color = 'none';\n      paint = new $.jGraduate.Paint();\n    } else {\n      paint = new $.jGraduate.Paint({alpha: 100, solidColor: color.substr(1)});\n    }\n\n    paintBox[picker].setPaint(paint);\n    svgCanvas.setColor(picker, color);\n\n    if (color !== 'none' && svgCanvas.getPaintOpacity(picker) !== 1) {\n      svgCanvas.setPaintOpacity(picker, 1.0);\n    }\n    updateToolButtonState();\n  }).bind('contextmenu', function (e) { e.preventDefault(); });\n\n  $('#toggle_stroke_tools').on('click', function () {\n    $('#tools_bottom').toggleClass('expanded');\n  });\n\n  (function () {\n    const wArea = workarea[0];\n\n    let lastX = null, lastY = null,\n      panning = false, keypan = false;\n\n    $('#svgcanvas').bind('mousemove mouseup', function (evt) {\n      if (panning === false) { return; }\n\n      wArea.scrollLeft -= (evt.clientX - lastX);\n      wArea.scrollTop -= (evt.clientY - lastY);\n\n      lastX = evt.clientX;\n      lastY = evt.clientY;\n\n      if (evt.type === 'mouseup') { panning = false; }\n      return false;\n    }).mousedown(function (evt) {\n      if (evt.button === 1 || keypan === true) {\n        panning = true;\n        lastX = evt.clientX;\n        lastY = evt.clientY;\n        return false;\n      }\n    });\n\n    $(window).mouseup(function () {\n      panning = false;\n    });\n\n    $(document).bind('keydown', 'space', function (evt) {\n      svgCanvas.spaceKey = keypan = true;\n      evt.preventDefault();\n    }).bind('keyup', 'space', function (evt) {\n      evt.preventDefault();\n      svgCanvas.spaceKey = keypan = false;\n    }).bind('keydown', 'shift', function (evt) {\n      if (svgCanvas.getMode() === 'zoom') {\n        workarea.css('cursor', zoomOutIcon);\n      }\n    }).bind('keyup', 'shift', function (evt) {\n      if (svgCanvas.getMode() === 'zoom') {\n        workarea.css('cursor', zoomInIcon);\n      }\n    });\n\n    /**\n    * @param {boolean} active\n    * @returns {undefined}\n    */\n    editor.setPanning = function (active) {\n      svgCanvas.spaceKey = keypan = active;\n    };\n  }());\n\n  (function () {\n    const button = $('#main_icon');\n    const overlay = $('#main_icon span');\n    const list = $('#main_menu');\n\n    let onButton = false;\n    let height = 0;\n    let jsHover = true;\n    let setClick = false;\n\n    /*\n    // Currently unused\n    const hideMenu = function () {\n      list.fadeOut(200);\n    };\n    */\n\n    $(window).mouseup(function (evt) {\n      if (!onButton) {\n        button.removeClass('buttondown');\n        // do not hide if it was the file input as that input needs to be visible\n        // for its change event to fire\n        if (evt.target.tagName !== 'INPUT') {\n          list.fadeOut(200);\n        } else if (!setClick) {\n          setClick = true;\n          $(evt.target).click(function () {\n            list.css('margin-left', '-9999px').show();\n          });\n        }\n      }\n      onButton = false;\n    }).mousedown(function (evt) {\n      // $('.contextMenu').hide();\n      const islib = $(evt.target).closest('div.tools_flyout, .contextMenu').length;\n      if (!islib) {\n        $('.tools_flyout:visible,.contextMenu').fadeOut(250);\n      }\n    });\n\n    overlay.bind('mousedown', function () {\n      if (!button.hasClass('buttondown')) {\n        // Margin must be reset in case it was changed before;\n        list.css('margin-left', 0).show();\n        if (!height) {\n          height = list.height();\n        }\n        // Using custom animation as slideDown has annoying 'bounce effect'\n        list.css('height', 0).animate({\n          height\n        }, 200);\n        onButton = true;\n      } else {\n        list.fadeOut(200);\n      }\n      button.toggleClass('buttondown buttonup');\n    }).hover(function () {\n      onButton = true;\n    }).mouseout(function () {\n      onButton = false;\n    });\n\n    const listItems = $('#main_menu li');\n\n    // Check if JS method of hovering needs to be used (Webkit bug)\n    listItems.mouseover(function () {\n      jsHover = ($(this).css('background-color') === 'rgba(0, 0, 0, 0)');\n\n      listItems.unbind('mouseover');\n      if (jsHover) {\n        listItems.mouseover(function () {\n          this.style.backgroundColor = '#FFC';\n        }).mouseout(function () {\n          this.style.backgroundColor = 'transparent';\n          return true;\n        });\n      }\n    });\n  }());\n  // Made public for UI customization.\n  // TODO: Group UI functions into a public editor.ui interface.\n  /**\n   * See {@link http://api.jquery.com/bind/#bind-eventType-eventData-handler}\n   * @callback module:SVGEditor.DropDownCallback\n   * @param {external:jQuery.Event} ev See {@link http://api.jquery.com/Types/#Event}\n   * @listens external:jQuery.Event\n   * @returns {undefined|boolean} Calls `preventDefault()` and `stopPropagation()`\n  */\n  /**\n   * @param {Element|string} elem DOM Element or selector\n   * @param {module:SVGEditor.DropDownCallback} callback Mouseup callback\n   * @param {boolean} dropUp\n   * @returns {undefined}\n  */\n  editor.addDropDown = function (elem, callback, dropUp) {\n    if (!$(elem).length) { return; } // Quit if called on non-existent element\n    const button = $(elem).find('button');\n    const list = $(elem).find('ul').attr('id', $(elem)[0].id + '-list');\n    if (dropUp) {\n      $(elem).addClass('dropup');\n    } else {\n      // Move list to place where it can overflow container\n      $('#option_lists').append(list);\n    }\n    list.find('li').bind('mouseup', callback);\n\n    let onButton = false;\n    $(window).mouseup(function (evt) {\n      if (!onButton) {\n        button.removeClass('down');\n        list.hide();\n      }\n      onButton = false;\n    });\n\n    button.bind('mousedown', function () {\n      if (!button.hasClass('down')) {\n        if (!dropUp) {\n          const pos = $(elem).position();\n          list.css({\n            top: pos.top + 24,\n            left: pos.left - 10\n          });\n        }\n        list.show();\n        onButton = true;\n      } else {\n        list.hide();\n      }\n      button.toggleClass('down');\n    }).hover(function () {\n      onButton = true;\n    }).mouseout(function () {\n      onButton = false;\n    });\n  };\n\n  editor.addDropDown('#font_family_dropdown', function () {\n    $('#font_family').val($(this).text()).change();\n  });\n\n  editor.addDropDown('#opacity_dropdown', function () {\n    if ($(this).find('div').length) { return; }\n    const perc = parseInt($(this).text().split('%')[0], 10);\n    changeOpacity(false, perc);\n  }, true);\n\n  // For slider usage, see: http://jqueryui.com/demos/slider/\n  $('#opac_slider').slider({\n    start () {\n      $('#opacity_dropdown li:not(.special)').hide();\n    },\n    stop () {\n      $('#opacity_dropdown li').show();\n      $(window).mouseup();\n    },\n    slide (evt, ui) {\n      changeOpacity(ui);\n    }\n  });\n\n  editor.addDropDown('#blur_dropdown', $.noop);\n\n  let slideStart = false;\n  $('#blur_slider').slider({\n    max: 10,\n    step: 0.1,\n    stop (evt, ui) {\n      slideStart = false;\n      changeBlur(ui);\n      $('#blur_dropdown li').show();\n      $(window).mouseup();\n    },\n    start () {\n      slideStart = true;\n    },\n    slide (evt, ui) {\n      changeBlur(ui, null, slideStart);\n    }\n  });\n\n  editor.addDropDown('#zoom_dropdown', function () {\n    const item = $(this);\n    const val = item.data('val');\n    if (val) {\n      zoomChanged(window, val);\n    } else {\n      changeZoom({value: parseFloat(item.text())});\n    }\n  }, true);\n\n  addAltDropDown('#stroke_linecap', '#linecap_opts', function () {\n    setStrokeOpt(this, true);\n  }, {dropUp: true});\n\n  addAltDropDown('#stroke_linejoin', '#linejoin_opts', function () {\n    setStrokeOpt(this, true);\n  }, {dropUp: true});\n\n  addAltDropDown('#tool_position', '#position_opts', function () {\n    const letter = this.id.replace('tool_pos', '').charAt(0);\n    svgCanvas.alignSelectedElements(letter, 'page');\n  }, {multiclick: true});\n\n  /*\n\n  When a flyout icon is selected\n    (if flyout) {\n    - Change the icon\n    - Make pressing the button run its stuff\n    }\n    - Run its stuff\n\n  When its shortcut key is pressed\n    - If not current in list, do as above\n    , else:\n    - Just run its stuff\n\n  */\n\n  // Unfocus text input when workarea is mousedowned.\n  (function () {\n    let inp;\n    const unfocus = function () {\n      $(inp).blur();\n    };\n\n    $('#svg_editor').find('button, select, input:not(#text)').focus(function () {\n      inp = this;\n      uiContext = 'toolbars';\n      workarea.mousedown(unfocus);\n    }).blur(function () {\n      uiContext = 'canvas';\n      workarea.unbind('mousedown', unfocus);\n      // Go back to selecting text if in textedit mode\n      if (svgCanvas.getMode() === 'textedit') {\n        $('#text').focus();\n      }\n    });\n  }());\n\n  const clickFHPath = function () {\n    if (toolButtonClick('#tool_fhpath')) {\n      svgCanvas.setMode('fhpath');\n    }\n  };\n\n  const clickLine = function () {\n    if (toolButtonClick('#tool_line')) {\n      svgCanvas.setMode('line');\n    }\n  };\n\n  const clickSquare = function () {\n    if (toolButtonClick('#tool_square')) {\n      svgCanvas.setMode('square');\n    }\n  };\n\n  const clickRect = function () {\n    if (toolButtonClick('#tool_rect')) {\n      svgCanvas.setMode('rect');\n    }\n  };\n\n  const clickFHRect = function () {\n    if (toolButtonClick('#tool_fhrect')) {\n      svgCanvas.setMode('fhrect');\n    }\n  };\n\n  const clickCircle = function () {\n    if (toolButtonClick('#tool_circle')) {\n      svgCanvas.setMode('circle');\n    }\n  };\n\n  const clickEllipse = function () {\n    if (toolButtonClick('#tool_ellipse')) {\n      svgCanvas.setMode('ellipse');\n    }\n  };\n\n  const clickFHEllipse = function () {\n    if (toolButtonClick('#tool_fhellipse')) {\n      svgCanvas.setMode('fhellipse');\n    }\n  };\n\n  const clickImage = function () {\n    if (toolButtonClick('#tool_image')) {\n      svgCanvas.setMode('image');\n    }\n  };\n\n  const clickZoom = function () {\n    if (toolButtonClick('#tool_zoom')) {\n      svgCanvas.setMode('zoom');\n      workarea.css('cursor', zoomInIcon);\n    }\n  };\n\n  const zoomImage = function (multiplier) {\n    const res = svgCanvas.getResolution();\n    multiplier = multiplier ? res.zoom * multiplier : 1;\n    // setResolution(res.w * multiplier, res.h * multiplier, true);\n    $('#zoom').val(multiplier * 100);\n    svgCanvas.setZoom(multiplier);\n    zoomDone();\n    updateCanvas(true);\n  };\n\n  const dblclickZoom = function () {\n    if (toolButtonClick('#tool_zoom')) {\n      zoomImage();\n      setSelectMode();\n    }\n  };\n\n  const clickText = function () {\n    if (toolButtonClick('#tool_text')) {\n      svgCanvas.setMode('text');\n    }\n  };\n\n  const clickPath = function () {\n    if (toolButtonClick('#tool_path')) {\n      svgCanvas.setMode('path');\n    }\n  };\n\n  // Delete is a contextual tool that only appears in the ribbon if\n  // an element has been selected\n  const deleteSelected = function () {\n    if (selectedElement != null || multiselected) {\n      svgCanvas.deleteSelectedElements();\n    }\n  };\n\n  const cutSelected = function () {\n    if (selectedElement != null || multiselected) {\n      svgCanvas.cutSelectedElements();\n    }\n  };\n\n  const copySelected = function () {\n    if (selectedElement != null || multiselected) {\n      svgCanvas.copySelectedElements();\n    }\n  };\n\n  const pasteInCenter = function () {\n    const zoom = svgCanvas.getZoom();\n    const x = (workarea[0].scrollLeft + workarea.width() / 2) / zoom - svgCanvas.contentW;\n    const y = (workarea[0].scrollTop + workarea.height() / 2) / zoom - svgCanvas.contentH;\n    svgCanvas.pasteElements('point', x, y);\n  };\n\n  const moveToTopSelected = function () {\n    if (selectedElement != null) {\n      svgCanvas.moveToTopSelectedElement();\n    }\n  };\n\n  const moveToBottomSelected = function () {\n    if (selectedElement != null) {\n      svgCanvas.moveToBottomSelectedElement();\n    }\n  };\n\n  const moveUpDownSelected = function (dir) {\n    if (selectedElement != null) {\n      svgCanvas.moveUpDownSelected(dir);\n    }\n  };\n\n  const convertToPath = function () {\n    if (selectedElement != null) {\n      svgCanvas.convertToPath();\n    }\n  };\n\n  const reorientPath = function () {\n    if (selectedElement != null) {\n      path.reorient();\n    }\n  };\n\n  const makeHyperlink = function () {\n    if (selectedElement != null || multiselected) {\n      $.prompt(uiStrings.notification.enterNewLinkURL, 'http://', function (url) {\n        if (url) { svgCanvas.makeHyperlink(url); }\n      });\n    }\n  };\n\n  const moveSelected = function (dx, dy) {\n    if (selectedElement != null || multiselected) {\n      if (curConfig.gridSnapping) {\n        // Use grid snap value regardless of zoom level\n        const multi = svgCanvas.getZoom() * curConfig.snappingStep;\n        dx *= multi;\n        dy *= multi;\n      }\n      svgCanvas.moveSelectedElements(dx, dy);\n    }\n  };\n\n  const linkControlPoints = function () {\n    $('#tool_node_link').toggleClass('push_button_pressed tool_button');\n    const linked = $('#tool_node_link').hasClass('push_button_pressed');\n    path.linkControlPoints(linked);\n  };\n\n  const clonePathNode = function () {\n    if (path.getNodePoint()) {\n      path.clonePathNode();\n    }\n  };\n\n  const deletePathNode = function () {\n    if (path.getNodePoint()) {\n      path.deletePathNode();\n    }\n  };\n\n  const addSubPath = function () {\n    const button = $('#tool_add_subpath');\n    const sp = !button.hasClass('push_button_pressed');\n    button.toggleClass('push_button_pressed tool_button');\n    path.addSubPath(sp);\n  };\n\n  const opencloseSubPath = function () {\n    path.opencloseSubPath();\n  };\n\n  const selectNext = function () {\n    svgCanvas.cycleElement(1);\n  };\n\n  const selectPrev = function () {\n    svgCanvas.cycleElement(0);\n  };\n\n  const rotateSelected = function (cw, step) {\n    if (selectedElement == null || multiselected) { return; }\n    if (!cw) { step *= -1; }\n    const angle = parseFloat($('#angle').val()) + step;\n    svgCanvas.setRotationAngle(angle);\n    updateContextPanel();\n  };\n\n  /**\n   * @fires module:svgcanvas.SvgCanvas#event:ext-onNewDocument\n   * @returns {undefined}\n   */\n  const clickClear = function () {\n    const [x, y] = curConfig.dimensions;\n    $.confirm(uiStrings.notification.QwantToClear, function (ok) {\n      if (!ok) { return; }\n      setSelectMode();\n      svgCanvas.clear();\n      svgCanvas.setResolution(x, y);\n      updateCanvas(true);\n      zoomImage();\n      populateLayers();\n      updateContextPanel();\n      prepPaints();\n      svgCanvas.runExtensions('onNewDocument');\n    });\n  };\n\n  const clickBold = function () {\n    svgCanvas.setBold(!svgCanvas.getBold());\n    updateContextPanel();\n    return false;\n  };\n\n  const clickItalic = function () {\n    svgCanvas.setItalic(!svgCanvas.getItalic());\n    updateContextPanel();\n    return false;\n  };\n\n  const clickSave = function () {\n    // In the future, more options can be provided here\n    const saveOpts = {\n      images: $.pref('img_save'),\n      round_digits: 6\n    };\n    svgCanvas.save(saveOpts);\n  };\n\n  let loadingURL;\n  const clickExport = function () {\n    $.select('Select an image type for export: ', [\n      // See http://kangax.github.io/jstests/toDataUrl_mime_type_test/ for a useful list of MIME types and browser support\n      // 'ICO', // Todo: Find a way to preserve transparency in SVG-Edit if not working presently and do full packaging for x-icon; then switch back to position after 'PNG'\n      'PNG',\n      'JPEG', 'BMP', 'WEBP', 'PDF'\n    ], async function (imgType) { // todo: replace hard-coded msg with uiStrings.notification.\n      if (!imgType) {\n        return;\n      }\n      // Open placeholder window (prevents popup)\n      let exportWindowName;\n      function openExportWindow () {\n        const str = uiStrings.notification.loadingImage;\n        if (curConfig.exportWindowType === 'new') {\n          editor.exportWindowCt++;\n        }\n        exportWindowName = curConfig.canvasName + editor.exportWindowCt;\n        let popHTML, popURL;\n        if (loadingURL) {\n          popURL = loadingURL;\n        } else {\n          popHTML = `<!DOCTYPE html><html>\n            <head>\n              <meta charset=\"utf-8\">\n              <title>${str}</title>\n            </head>\n            <body><h1>${str}</h1></body>\n          <html>`;\n          if (typeof URL !== 'undefined' && URL.createObjectURL) {\n            const blob = new Blob([popHTML], {type: 'text/html'});\n            popURL = URL.createObjectURL(blob);\n          } else {\n            popURL = 'data:text/html;base64;charset=utf-8,' + Utils.encode64(popHTML);\n          }\n          loadingURL = popURL;\n        }\n        exportWindow = window.open(popURL, exportWindowName);\n      }\n      const chrome = isChrome();\n      if (imgType === 'PDF') {\n        if (!customExportPDF && !chrome) {\n          openExportWindow();\n        }\n        svgCanvas.exportPDF(exportWindowName, chrome ? 'save' : undefined);\n      } else {\n        if (!customExportImage) {\n          openExportWindow();\n        }\n        const quality = parseInt($('#image-slider').val(), 10) / 100;\n        /* const results = */ await svgCanvas.rasterExport(imgType, quality, exportWindowName);\n      }\n    }, function () {\n      const sel = $(this);\n      if (sel.val() === 'JPEG' || sel.val() === 'WEBP') {\n        if (!$('#image-slider').length) {\n          $(`<div><label>${uiStrings.ui.quality}\n              <input id=\"image-slider\"\n                type=\"range\" min=\"1\" max=\"100\" value=\"92\" />\n            </label></div>`).appendTo(sel.parent());\n        }\n      } else {\n        $('#image-slider').parent().remove();\n      }\n    });\n  };\n\n  // by default, svgCanvas.open() is a no-op.\n  // it is up to an extension mechanism (opera widget, etc)\n  // to call setCustomHandlers() which will make it do something\n  const clickOpen = function () {\n    svgCanvas.open();\n  };\n\n  const clickImport = function () {\n  };\n\n  const clickUndo = function () {\n    if (undoMgr.getUndoStackSize() > 0) {\n      undoMgr.undo();\n      populateLayers();\n    }\n  };\n\n  const clickRedo = function () {\n    if (undoMgr.getRedoStackSize() > 0) {\n      undoMgr.redo();\n      populateLayers();\n    }\n  };\n\n  const clickGroup = function () {\n    // group\n    if (multiselected) {\n      svgCanvas.groupSelectedElements();\n    // ungroup\n    } else if (selectedElement) {\n      svgCanvas.ungroupSelectedElement();\n    }\n  };\n\n  const clickClone = function () {\n    svgCanvas.cloneSelectedElements(20, 20);\n  };\n\n  const clickAlign = function () {\n    const letter = this.id.replace('tool_align', '').charAt(0);\n    svgCanvas.alignSelectedElements(letter, $('#align_relative_to').val());\n  };\n\n  const clickWireframe = function () {\n    $('#tool_wireframe').toggleClass('push_button_pressed tool_button');\n    workarea.toggleClass('wireframe');\n\n    if (supportsNonSS) { return; }\n    const wfRules = $('#wireframe_rules');\n    if (!wfRules.length) {\n      /* wfRules = */ $('<style id=\"wireframe_rules\"></style>').appendTo('head');\n    } else {\n      wfRules.empty();\n    }\n\n    updateWireFrame();\n  };\n\n  $('#svg_docprops_container, #svg_prefs_container').draggable({\n    cancel: 'button,fieldset',\n    containment: 'window'\n  }).css('position', 'absolute');\n\n  let docprops = false;\n  let preferences = false;\n\n  const showDocProperties = function () {\n    if (docprops) { return; }\n    docprops = true;\n\n    // This selects the correct radio button by using the array notation\n    $('#image_save_opts input').val([$.pref('img_save')]);\n\n    // update resolution option with actual resolution\n    const res = svgCanvas.getResolution();\n    if (curConfig.baseUnit !== 'px') {\n      res.w = convertUnit(res.w) + curConfig.baseUnit;\n      res.h = convertUnit(res.h) + curConfig.baseUnit;\n    }\n\n    $('#canvas_width').val(res.w);\n    $('#canvas_height').val(res.h);\n    $('#canvas_title').val(svgCanvas.getDocumentTitle());\n\n    $('#svg_docprops').show();\n  };\n\n  const showPreferences = function () {\n    if (preferences) { return; }\n    preferences = true;\n    $('#main_menu').hide();\n\n    // Update background color with current one\n    const blocks = $('#bg_blocks div');\n    const curBg = 'cur_background';\n    const canvasBg = curPrefs.bkgd_color;\n    const url = $.pref('bkgd_url');\n    blocks.each(function () {\n      const blk = $(this);\n      const isBg = blk.css('background-color') === canvasBg;\n      blk.toggleClass(curBg, isBg);\n      if (isBg) { $('#canvas_bg_url').removeClass(curBg); }\n    });\n    if (!canvasBg) { blocks.eq(0).addClass(curBg); }\n    if (url) {\n      $('#canvas_bg_url').val(url);\n    }\n    $('#grid_snapping_on').prop('checked', curConfig.gridSnapping);\n    $('#grid_snapping_step').attr('value', curConfig.snappingStep);\n    $('#grid_color').attr('value', curConfig.gridColor);\n\n    $('#svg_prefs').show();\n  };\n\n  const hideSourceEditor = function () {\n    $('#svg_source_editor').hide();\n    editingsource = false;\n    $('#svg_source_textarea').blur();\n  };\n\n  const saveSourceEditor = function () {\n    if (!editingsource) { return; }\n\n    const saveChanges = function () {\n      svgCanvas.clearSelection();\n      hideSourceEditor();\n      zoomImage();\n      populateLayers();\n      updateTitle();\n      prepPaints();\n    };\n\n    if (!svgCanvas.setSvgString($('#svg_source_textarea').val())) {\n      $.confirm(uiStrings.notification.QerrorsRevertToSource, function (ok) {\n        if (!ok) { return false; }\n        saveChanges();\n      });\n    } else {\n      saveChanges();\n    }\n    setSelectMode();\n  };\n\n  const hideDocProperties = function () {\n    $('#svg_docprops').hide();\n    $('#canvas_width,#canvas_height').removeAttr('disabled');\n    $('#resolution')[0].selectedIndex = 0;\n    $('#image_save_opts input').val([$.pref('img_save')]);\n    docprops = false;\n  };\n\n  const hidePreferences = function () {\n    $('#svg_prefs').hide();\n    preferences = false;\n  };\n\n  const saveDocProperties = function () {\n    // set title\n    const newTitle = $('#canvas_title').val();\n    updateTitle(newTitle);\n    svgCanvas.setDocumentTitle(newTitle);\n\n    // update resolution\n    const width = $('#canvas_width'), w = width.val();\n    const height = $('#canvas_height'), h = height.val();\n\n    if (w !== 'fit' && !isValidUnit('width', w)) {\n      $.alert(uiStrings.notification.invalidAttrValGiven);\n      width.parent().addClass('error');\n      return false;\n    }\n\n    width.parent().removeClass('error');\n\n    if (h !== 'fit' && !isValidUnit('height', h)) {\n      $.alert(uiStrings.notification.invalidAttrValGiven);\n      height.parent().addClass('error');\n      return false;\n    }\n\n    height.parent().removeClass('error');\n\n    if (!svgCanvas.setResolution(w, h)) {\n      $.alert(uiStrings.notification.noContentToFitTo);\n      return false;\n    }\n\n    // Set image save option\n    $.pref('img_save', $('#image_save_opts :checked').val());\n    updateCanvas();\n    hideDocProperties();\n  };\n\n  /**\n  * Save user preferences based on current values in the UI\n  * @function module:SVGEditor.savePreferences\n  * @returns {undefined}\n  */\n  const savePreferences = editor.savePreferences = function () {\n    // Set background\n    const color = $('#bg_blocks div.cur_background').css('background-color') || '#FFF';\n    setBackground(color, $('#canvas_bg_url').val());\n\n    // set language\n    const lang = $('#lang_select').val();\n    if (lang !== $.pref('lang')) {\n      editor.putLocale(lang, goodLangs, curConfig);\n    }\n\n    // set icon size\n    setIconSize($('#iconsize').val());\n\n    // set grid setting\n    curConfig.gridSnapping = $('#grid_snapping_on')[0].checked;\n    curConfig.snappingStep = $('#grid_snapping_step').val();\n    curConfig.gridColor = $('#grid_color').val();\n    curConfig.showRulers = $('#show_rulers')[0].checked;\n\n    $('#rulers').toggle(curConfig.showRulers);\n    if (curConfig.showRulers) { updateRulers(); }\n    curConfig.baseUnit = $('#base_unit').val();\n\n    svgCanvas.setConfig(curConfig);\n\n    updateCanvas();\n    hidePreferences();\n  };\n\n  let resetScrollPos = $.noop;\n\n  const cancelOverlays = function () {\n    $('#dialog_box').hide();\n    if (!editingsource && !docprops && !preferences) {\n      if (curContext) {\n        svgCanvas.leaveContext();\n      }\n      return;\n    }\n\n    if (editingsource) {\n      if (origSource !== $('#svg_source_textarea').val()) {\n        $.confirm(uiStrings.notification.QignoreSourceChanges, function (ok) {\n          if (ok) { hideSourceEditor(); }\n        });\n      } else {\n        hideSourceEditor();\n      }\n    } else if (docprops) {\n      hideDocProperties();\n    } else if (preferences) {\n      hidePreferences();\n    }\n    resetScrollPos();\n  };\n\n  const winWh = {width: $(window).width(), height: $(window).height()};\n\n  // Fix for Issue 781: Drawing area jumps to top-left corner on window resize (IE9)\n  if (isIE()) {\n    (() => {\n      resetScrollPos = function () {\n        if (workarea[0].scrollLeft === 0 && workarea[0].scrollTop === 0) {\n          workarea[0].scrollLeft = curScrollPos.left;\n          workarea[0].scrollTop = curScrollPos.top;\n        }\n      };\n\n      curScrollPos = {\n        left: workarea[0].scrollLeft,\n        top: workarea[0].scrollTop\n      };\n\n      $(window).resize(resetScrollPos);\n      editor.ready(function () {\n        // TODO: Find better way to detect when to do this to minimize\n        // flickering effect\n        setTimeout(function () {\n          resetScrollPos();\n        }, 500);\n      });\n\n      workarea.scroll(function () {\n        curScrollPos = {\n          left: workarea[0].scrollLeft,\n          top: workarea[0].scrollTop\n        };\n      });\n    })();\n  }\n\n  $(window).resize(function (evt) {\n    $.each(winWh, function (type, val) {\n      const curval = $(window)[type]();\n      workarea[0]['scroll' + (type === 'width' ? 'Left' : 'Top')] -= (curval - val) / 2;\n      winWh[type] = curval;\n    });\n    setFlyoutPositions();\n  });\n\n  (() => {\n    workarea.scroll(function () {\n      // TODO: jQuery's scrollLeft/Top() wouldn't require a null check\n      if ($('#ruler_x').length) {\n        $('#ruler_x')[0].scrollLeft = workarea[0].scrollLeft;\n      }\n      if ($('#ruler_y').length) {\n        $('#ruler_y')[0].scrollTop = workarea[0].scrollTop;\n      }\n    });\n  })();\n\n  $('#url_notice').click(function () {\n    $.alert(this.title);\n  });\n\n  $('#change_image_url').click(promptImgURL);\n\n  // added these event handlers for all the push buttons so they\n  // behave more like buttons being pressed-in and not images\n  (function () {\n    const toolnames = ['clear', 'open', 'save', 'source', 'delete', 'delete_multi', 'paste', 'clone', 'clone_multi', 'move_top', 'move_bottom'];\n    const curClass = 'tool_button_current';\n\n    let allTools = '';\n\n    $.each(toolnames, function (i, item) {\n      allTools += (i ? ',' : '') + '#tool_' + item;\n    });\n\n    $(allTools).mousedown(function () {\n      $(this).addClass(curClass);\n    }).bind('mousedown mouseout', function () {\n      $(this).removeClass(curClass);\n    });\n\n    $('#tool_undo, #tool_redo').mousedown(function () {\n      if (!$(this).hasClass('disabled')) { $(this).addClass(curClass); }\n    }).bind('mousedown mouseout', function () {\n      $(this).removeClass(curClass);\n    });\n  }());\n\n  // switch modifier key in tooltips if mac\n  // NOTE: This code is not used yet until I can figure out how to successfully bind ctrl/meta\n  // in Opera and Chrome\n  if (isMac() && !window.opera) {\n    const shortcutButtons = ['tool_clear', 'tool_save', 'tool_source', 'tool_undo', 'tool_redo', 'tool_clone'];\n    let i = shortcutButtons.length;\n    while (i--) {\n      const button = document.getElementById(shortcutButtons[i]);\n      if (button) {\n        const {title} = button;\n        const index = title.indexOf('Ctrl+');\n        button.title = [title.substr(0, index), 'Cmd+', title.substr(index + 5)].join('');\n      }\n    }\n  }\n\n  // TODO: go back to the color boxes having white background-color and then setting\n  //  background-image to none.png (otherwise partially transparent gradients look weird)\n  const colorPicker = function (elem) {\n    const picker = elem.attr('id') === 'stroke_color' ? 'stroke' : 'fill';\n    // const opacity = (picker == 'stroke' ? $('#stroke_opacity') : $('#fill_opacity'));\n    const title = picker === 'stroke'\n      ? uiStrings.ui.pick_stroke_paint_opacity\n      : uiStrings.ui.pick_fill_paint_opacity;\n    // let wasNone = false; // Currently unused\n    const pos = elem.offset();\n    let {paint} = paintBox[picker];\n    $('#color_picker')\n      .draggable({\n        cancel: '.jGraduate_tabs, .jGraduate_colPick, .jGraduate_gradPick, .jPicker',\n        containment: 'window'\n      })\n      .css(curConfig.colorPickerCSS || {left: pos.left - 140, bottom: 40})\n      .jGraduate(\n        {\n          paint,\n          window: {pickerTitle: title},\n          images: {clientPath: curConfig.jGraduatePath},\n          newstop: 'inverse'\n        },\n        function (p) {\n          paint = new $.jGraduate.Paint(p);\n          paintBox[picker].setPaint(paint);\n          svgCanvas.setPaint(picker, paint);\n          $('#color_picker').hide();\n        },\n        function () {\n          $('#color_picker').hide();\n        }\n      );\n  };\n\n  const PaintBox = function (container, type) {\n    let paintColor, paintOpacity;\n    const cur = curConfig[type === 'fill' ? 'initFill' : 'initStroke'];\n    // set up gradients to be used for the buttons\n    const svgdocbox = new DOMParser().parseFromString(\n      `<svg xmlns=\"http://www.w3.org/2000/svg\">\n        <rect width=\"16.5\" height=\"16.5\"\n          fill=\"#${cur.color}\" opacity=\"${cur.opacity}\"/>\n        <defs><linearGradient id=\"gradbox_\"/></defs>\n      </svg>`,\n      'text/xml'\n    );\n\n    let docElem = svgdocbox.documentElement;\n    docElem = $(container)[0].appendChild(document.importNode(docElem, true));\n    docElem.setAttribute('width', 16.5);\n\n    this.rect = docElem.firstElementChild;\n    this.defs = docElem.getElementsByTagName('defs')[0];\n    this.grad = this.defs.firstElementChild;\n    this.paint = new $.jGraduate.Paint({solidColor: cur.color});\n    this.type = type;\n\n    this.setPaint = function (paint, apply) {\n      this.paint = paint;\n\n      const ptype = paint.type;\n      const opac = paint.alpha / 100;\n\n      let fillAttr = 'none';\n      switch (ptype) {\n      case 'solidColor':\n        fillAttr = (paint[ptype] !== 'none') ? '#' + paint[ptype] : paint[ptype];\n        break;\n      case 'linearGradient':\n      case 'radialGradient':\n        this.grad.remove();\n        this.grad = this.defs.appendChild(paint[ptype]);\n        const id = this.grad.id = 'gradbox_' + this.type;\n        fillAttr = 'url(#' + id + ')';\n        break;\n      }\n\n      this.rect.setAttribute('fill', fillAttr);\n      this.rect.setAttribute('opacity', opac);\n\n      if (apply) {\n        svgCanvas.setColor(this.type, paintColor, true);\n        svgCanvas.setPaintOpacity(this.type, paintOpacity, true);\n      }\n    };\n\n    this.update = function (apply) {\n      if (!selectedElement) { return; }\n\n      const {type} = this;\n      switch (selectedElement.tagName) {\n      case 'use':\n      case 'image':\n      case 'foreignObject':\n        // These elements don't have fill or stroke, so don't change\n        // the current value\n        return;\n      case 'g':\n      case 'a': {\n        const childs = selectedElement.getElementsByTagName('*');\n\n        let gPaint = null;\n        for (let i = 0, len = childs.length; i < len; i++) {\n          const elem = childs[i];\n          const p = elem.getAttribute(type);\n          if (i === 0) {\n            gPaint = p;\n          } else if (gPaint !== p) {\n            gPaint = null;\n            break;\n          }\n        }\n\n        if (gPaint === null) {\n          // No common color, don't update anything\n          paintColor = null;\n          return;\n        }\n        paintColor = gPaint;\n        paintOpacity = 1;\n        break;\n      } default:\n        paintOpacity = parseFloat(selectedElement.getAttribute(type + '-opacity'));\n        if (isNaN(paintOpacity)) {\n          paintOpacity = 1.0;\n        }\n\n        const defColor = type === 'fill' ? 'black' : 'none';\n        paintColor = selectedElement.getAttribute(type) || defColor;\n      }\n\n      if (apply) {\n        svgCanvas.setColor(type, paintColor, true);\n        svgCanvas.setPaintOpacity(type, paintOpacity, true);\n      }\n\n      paintOpacity *= 100;\n\n      const paint = getPaint(paintColor, paintOpacity, type);\n      // update the rect inside #fill_color/#stroke_color\n      this.setPaint(paint);\n    };\n\n    this.prep = function () {\n      const ptype = this.paint.type;\n\n      switch (ptype) {\n      case 'linearGradient':\n      case 'radialGradient':\n        const paint = new $.jGraduate.Paint({copy: this.paint});\n        svgCanvas.setPaint(type, paint);\n        break;\n      }\n    };\n  };\n\n  paintBox.fill = new PaintBox('#fill_color', 'fill');\n  paintBox.stroke = new PaintBox('#stroke_color', 'stroke');\n\n  $('#stroke_width').val(curConfig.initStroke.width);\n  $('#group_opacity').val(curConfig.initOpacity * 100);\n\n  // Use this SVG elem to test vectorEffect support\n  const testEl = paintBox.fill.rect.cloneNode(false);\n  testEl.setAttribute('style', 'vector-effect:non-scaling-stroke');\n  const supportsNonSS = (testEl.style.vectorEffect === 'non-scaling-stroke');\n  testEl.removeAttribute('style');\n  const svgdocbox = paintBox.fill.rect.ownerDocument;\n  // Use this to test support for blur element. Seems to work to test support in Webkit\n  const blurTest = svgdocbox.createElementNS(NS.SVG, 'feGaussianBlur');\n  if (blurTest.stdDeviationX === undefined) {\n    $('#tool_blur').hide();\n  }\n  $(blurTest).remove();\n\n  // Test for zoom icon support\n  (function () {\n    const pre = '-' + uaPrefix.toLowerCase() + '-zoom-';\n    const zoom = pre + 'in';\n    workarea.css('cursor', zoom);\n    if (workarea.css('cursor') === zoom) {\n      zoomInIcon = zoom;\n      zoomOutIcon = pre + 'out';\n    }\n    workarea.css('cursor', 'auto');\n  }());\n\n  // Test for embedImage support (use timeout to not interfere with page load)\n  setTimeout(function () {\n    svgCanvas.embedImage('images/logo.png', function (datauri) {\n      if (!datauri) {\n        // Disable option\n        $('#image_save_opts [value=embed]').attr('disabled', 'disabled');\n        $('#image_save_opts input').val(['ref']);\n        $.pref('img_save', 'ref');\n        $('#image_opt_embed').css('color', '#666').attr('title', uiStrings.notification.featNotSupported);\n      }\n    });\n  }, 1000);\n\n  $('#fill_color, #tool_fill .icon_label').click(function () {\n    colorPicker($('#fill_color'));\n    updateToolButtonState();\n  });\n\n  $('#stroke_color, #tool_stroke .icon_label').click(function () {\n    colorPicker($('#stroke_color'));\n    updateToolButtonState();\n  });\n\n  $('#group_opacityLabel').click(function () {\n    $('#opacity_dropdown button').mousedown();\n    $(window).mouseup();\n  });\n\n  $('#zoomLabel').click(function () {\n    $('#zoom_dropdown button').mousedown();\n    $(window).mouseup();\n  });\n\n  $('#tool_move_top').mousedown(function (evt) {\n    $('#tools_stacking').show();\n    evt.preventDefault();\n  });\n\n  $('.layer_button').mousedown(function () {\n    $(this).addClass('layer_buttonpressed');\n  }).mouseout(function () {\n    $(this).removeClass('layer_buttonpressed');\n  }).mouseup(function () {\n    $(this).removeClass('layer_buttonpressed');\n  });\n\n  $('.push_button').mousedown(function () {\n    if (!$(this).hasClass('disabled')) {\n      $(this).addClass('push_button_pressed').removeClass('push_button');\n    }\n  }).mouseout(function () {\n    $(this).removeClass('push_button_pressed').addClass('push_button');\n  }).mouseup(function () {\n    $(this).removeClass('push_button_pressed').addClass('push_button');\n  });\n\n  // ask for a layer name\n  $('#layer_new').click(function () {\n    let uniqName,\n      i = svgCanvas.getCurrentDrawing().getNumLayers();\n    do {\n      uniqName = uiStrings.layers.layer + ' ' + (++i);\n    } while (svgCanvas.getCurrentDrawing().hasLayer(uniqName));\n\n    $.prompt(uiStrings.notification.enterUniqueLayerName, uniqName, function (newName) {\n      if (!newName) { return; }\n      if (svgCanvas.getCurrentDrawing().hasLayer(newName)) {\n        $.alert(uiStrings.notification.dupeLayerName);\n        return;\n      }\n      svgCanvas.createLayer(newName);\n      updateContextPanel();\n      populateLayers();\n    });\n  });\n\n  function deleteLayer () {\n    if (svgCanvas.deleteCurrentLayer()) {\n      updateContextPanel();\n      populateLayers();\n      // This matches what SvgCanvas does\n      // TODO: make this behavior less brittle (svg-editor should get which\n      // layer is selected from the canvas and then select that one in the UI)\n      $('#layerlist tr.layer').removeClass('layersel');\n      $('#layerlist tr.layer:first').addClass('layersel');\n    }\n  }\n\n  function cloneLayer () {\n    const name = svgCanvas.getCurrentDrawing().getCurrentLayerName() + ' copy';\n\n    $.prompt(uiStrings.notification.enterUniqueLayerName, name, function (newName) {\n      if (!newName) { return; }\n      if (svgCanvas.getCurrentDrawing().hasLayer(newName)) {\n        $.alert(uiStrings.notification.dupeLayerName);\n        return;\n      }\n      svgCanvas.cloneLayer(newName);\n      updateContextPanel();\n      populateLayers();\n    });\n  }\n\n  function mergeLayer () {\n    if ($('#layerlist tr.layersel').index() === svgCanvas.getCurrentDrawing().getNumLayers() - 1) {\n      return;\n    }\n    svgCanvas.mergeLayer();\n    updateContextPanel();\n    populateLayers();\n  }\n\n  function moveLayer (pos) {\n    const total = svgCanvas.getCurrentDrawing().getNumLayers();\n\n    let curIndex = $('#layerlist tr.layersel').index();\n    if (curIndex > 0 || curIndex < total - 1) {\n      curIndex += pos;\n      svgCanvas.setCurrentLayerPosition(total - curIndex - 1);\n      populateLayers();\n    }\n  }\n\n  $('#layer_delete').click(deleteLayer);\n\n  $('#layer_up').click(() => {\n    moveLayer(-1);\n  });\n\n  $('#layer_down').click(() => {\n    moveLayer(1);\n  });\n\n  $('#layer_rename').click(function () {\n    // const curIndex = $('#layerlist tr.layersel').prevAll().length; // Currently unused\n    const oldName = $('#layerlist tr.layersel td.layername').text();\n    $.prompt(uiStrings.notification.enterNewLayerName, '', function (newName) {\n      if (!newName) { return; }\n      if (oldName === newName || svgCanvas.getCurrentDrawing().hasLayer(newName)) {\n        $.alert(uiStrings.notification.layerHasThatName);\n        return;\n      }\n\n      svgCanvas.renameCurrentLayer(newName);\n      populateLayers();\n    });\n  });\n\n  const SIDEPANEL_MAXWIDTH = 300;\n  const SIDEPANEL_OPENWIDTH = 150;\n  let sidedrag = -1, sidedragging = false, allowmove = false;\n\n  /**\n   * @param {Float} delta\n   * @fires module:svgcanvas.SvgCanvas#event:ext-workareaResized\n   * @returns {undefined}\n   */\n  const changeSidePanelWidth = function (delta) {\n    const rulerX = $('#ruler_x');\n    $('#sidepanels').width('+=' + delta);\n    $('#layerpanel').width('+=' + delta);\n    rulerX.css('right', parseInt(rulerX.css('right'), 10) + delta);\n    workarea.css('right', parseInt(workarea.css('right'), 10) + delta);\n    svgCanvas.runExtensions('workareaResized');\n  };\n\n  const resizeSidePanel = function (evt) {\n    if (!allowmove) { return; }\n    if (sidedrag === -1) { return; }\n    sidedragging = true;\n    let deltaX = sidedrag - evt.pageX;\n    const sideWidth = $('#sidepanels').width();\n    if (sideWidth + deltaX > SIDEPANEL_MAXWIDTH) {\n      deltaX = SIDEPANEL_MAXWIDTH - sideWidth;\n      // sideWidth = SIDEPANEL_MAXWIDTH;\n    } else if (sideWidth + deltaX < 2) {\n      deltaX = 2 - sideWidth;\n      // sideWidth = 2;\n    }\n    if (deltaX === 0) { return; }\n    sidedrag -= deltaX;\n    changeSidePanelWidth(deltaX);\n  };\n\n  /**\n   * If width is non-zero, then fully close it, otherwise fully open it\n   * @param {boolean} close Forces the side panel closed\n   * @returns {undefined}\n   */\n  const toggleSidePanel = function (close) {\n    const w = $('#sidepanels').width();\n    const deltaX = (w > 2 || close ? 2 : SIDEPANEL_OPENWIDTH) - w;\n    changeSidePanelWidth(deltaX);\n  };\n\n  $('#sidepanel_handle')\n    .mousedown(function (evt) {\n      sidedrag = evt.pageX;\n      $(window).mousemove(resizeSidePanel);\n      allowmove = false;\n      // Silly hack for Chrome, which always runs mousemove right after mousedown\n      setTimeout(function () {\n        allowmove = true;\n      }, 20);\n    })\n    .mouseup(function (evt) {\n      if (!sidedragging) { toggleSidePanel(); }\n      sidedrag = -1;\n      sidedragging = false;\n    });\n\n  $(window).mouseup(function () {\n    sidedrag = -1;\n    sidedragging = false;\n    $('#svg_editor').unbind('mousemove', resizeSidePanel);\n  });\n\n  populateLayers();\n\n  // function changeResolution (x,y) {\n  //   const {zoom} = svgCanvas.getResolution();\n  //   setResolution(x * zoom, y * zoom);\n  // }\n\n  const centerCanvas = () => {\n    // this centers the canvas vertically in the workarea (horizontal handled in CSS)\n    workarea.css('line-height', workarea.height() + 'px');\n  };\n\n  $(window).bind('load resize', centerCanvas);\n\n  function stepFontSize (elem, step) {\n    const origVal = Number(elem.value);\n    const sugVal = origVal + step;\n    const increasing = sugVal >= origVal;\n    if (step === 0) { return origVal; }\n\n    if (origVal >= 24) {\n      if (increasing) {\n        return Math.round(origVal * 1.1);\n      }\n      return Math.round(origVal / 1.1);\n    }\n    if (origVal <= 1) {\n      if (increasing) {\n        return origVal * 2;\n      }\n      return origVal / 2;\n    }\n    return sugVal;\n  }\n\n  function stepZoom (elem, step) {\n    const origVal = Number(elem.value);\n    if (origVal === 0) { return 100; }\n    const sugVal = origVal + step;\n    if (step === 0) { return origVal; }\n\n    if (origVal >= 100) {\n      return sugVal;\n    }\n    if (sugVal >= origVal) {\n      return origVal * 2;\n    }\n    return origVal / 2;\n  }\n\n  // function setResolution (w, h, center) {\n  //   updateCanvas();\n  //   // w -= 0; h -= 0;\n  //   // $('#svgcanvas').css({width: w, height: h});\n  //   // $('#canvas_width').val(w);\n  //   // $('#canvas_height').val(h);\n  //   //\n  //   // if (center) {\n  //   //   const wArea = workarea;\n  //   //   const scrollY = h/2 - wArea.height()/2;\n  //   //   const scrollX = w/2 - wArea.width()/2;\n  //   //   wArea[0].scrollTop = scrollY;\n  //   //   wArea[0].scrollLeft = scrollX;\n  //   // }\n  // }\n\n  $('#resolution').change(function () {\n    const wh = $('#canvas_width,#canvas_height');\n    if (!this.selectedIndex) {\n      if ($('#canvas_width').val() === 'fit') {\n        wh.removeAttr('disabled').val(100);\n      }\n    } else if (this.value === 'content') {\n      wh.val('fit').attr('disabled', 'disabled');\n    } else {\n      const dims = this.value.split('x');\n      $('#canvas_width').val(dims[0]);\n      $('#canvas_height').val(dims[1]);\n      wh.removeAttr('disabled');\n    }\n  });\n\n  // Prevent browser from erroneously repopulating fields\n  $('input,select').attr('autocomplete', 'off');\n\n  /**\n   * Associate all button actions as well as non-button keyboard shortcuts\n   * @namespace {PlainObject} module:SVGEditor~Actions\n   */\n  const Actions = (function () {\n    /**\n    * @typedef {PlainObject} module:SVGEditor.ToolButton\n    * @property {string} sel The CSS selector for the tool\n    * @property {external:jQuery.Function} fn A handler to be attached to the `evt`\n    * @property {string} evt The event for which the `fn` listener will be added\n    * @property {module:SVGEditor.Key} [key] [key, preventDefault, NoDisableInInput]\n    * @property {string} [parent] Selector\n    * @property {boolean} [hidekey] Whether to show key value in title\n    * @property {string} [icon] The button ID\n    * @property {boolean} isDefault For flyout holders\n    */\n    /**\n     *\n     * @name module:SVGEditor~ToolButtons\n     * @type {module:SVGEditor.ToolButton[]}\n     */\n    const toolButtons = [\n      {sel: '#tool_select', fn: clickSelect, evt: 'click', key: ['V', true]},\n      {sel: '#tool_fhpath', fn: clickFHPath, evt: 'click', key: ['Q', true]},\n      {sel: '#tool_line', fn: clickLine, evt: 'click', key: ['L', true], parent: '#tools_line', prepend: true},\n      {sel: '#tool_rect', fn: clickRect, evt: 'mouseup',\n        key: ['R', true], parent: '#tools_rect', icon: 'rect'},\n      {sel: '#tool_square', fn: clickSquare, evt: 'mouseup',\n        parent: '#tools_rect', icon: 'square'},\n      {sel: '#tool_fhrect', fn: clickFHRect, evt: 'mouseup',\n        parent: '#tools_rect', icon: 'fh_rect'},\n      {sel: '#tool_ellipse', fn: clickEllipse, evt: 'mouseup',\n        key: ['E', true], parent: '#tools_ellipse', icon: 'ellipse'},\n      {sel: '#tool_circle', fn: clickCircle, evt: 'mouseup',\n        parent: '#tools_ellipse', icon: 'circle'},\n      {sel: '#tool_fhellipse', fn: clickFHEllipse, evt: 'mouseup',\n        parent: '#tools_ellipse', icon: 'fh_ellipse'},\n      {sel: '#tool_path', fn: clickPath, evt: 'click', key: ['P', true]},\n      {sel: '#tool_text', fn: clickText, evt: 'click', key: ['T', true]},\n      {sel: '#tool_image', fn: clickImage, evt: 'mouseup'},\n      {sel: '#tool_zoom', fn: clickZoom, evt: 'mouseup', key: ['Z', true]},\n      {sel: '#tool_clear', fn: clickClear, evt: 'mouseup', key: ['N', true]},\n      {sel: '#tool_save', fn () {\n        if (editingsource) {\n          saveSourceEditor();\n        } else {\n          clickSave();\n        }\n      }, evt: 'mouseup', key: ['S', true]},\n      {sel: '#tool_export', fn: clickExport, evt: 'mouseup'},\n      {sel: '#tool_open', fn: clickOpen, evt: 'mouseup', key: ['O', true]},\n      {sel: '#tool_import', fn: clickImport, evt: 'mouseup'},\n      {sel: '#tool_source', fn: showSourceEditor, evt: 'click', key: ['U', true]},\n      {sel: '#tool_wireframe', fn: clickWireframe, evt: 'click', key: ['F', true]},\n      {sel: '#tool_source_cancel,.overlay,#tool_docprops_cancel,#tool_prefs_cancel',\n        fn: cancelOverlays, evt: 'click', key: ['esc', false, false], hidekey: true},\n      {sel: '#tool_source_save', fn: saveSourceEditor, evt: 'click'},\n      {sel: '#tool_docprops_save', fn: saveDocProperties, evt: 'click'},\n      {sel: '#tool_docprops', fn: showDocProperties, evt: 'mouseup'},\n      {sel: '#tool_prefs_save', fn: savePreferences, evt: 'click'},\n      {sel: '#tool_prefs_option', fn () { showPreferences(); return false; }, evt: 'mouseup'},\n      {sel: '#tool_delete,#tool_delete_multi', fn: deleteSelected,\n        evt: 'click', key: ['del/backspace', true]},\n      {sel: '#tool_reorient', fn: reorientPath, evt: 'click'},\n      {sel: '#tool_node_link', fn: linkControlPoints, evt: 'click'},\n      {sel: '#tool_node_clone', fn: clonePathNode, evt: 'click'},\n      {sel: '#tool_node_delete', fn: deletePathNode, evt: 'click'},\n      {sel: '#tool_openclose_path', fn: opencloseSubPath, evt: 'click'},\n      {sel: '#tool_add_subpath', fn: addSubPath, evt: 'click'},\n      {sel: '#tool_move_top', fn: moveToTopSelected, evt: 'click', key: 'ctrl+shift+]'},\n      {sel: '#tool_move_bottom', fn: moveToBottomSelected, evt: 'click', key: 'ctrl+shift+['},\n      {sel: '#tool_topath', fn: convertToPath, evt: 'click'},\n      {sel: '#tool_make_link,#tool_make_link_multi', fn: makeHyperlink, evt: 'click'},\n      {sel: '#tool_undo', fn: clickUndo, evt: 'click'},\n      {sel: '#tool_redo', fn: clickRedo, evt: 'click'},\n      {sel: '#tool_clone,#tool_clone_multi', fn: clickClone, evt: 'click', key: ['D', true]},\n      {sel: '#tool_group_elements', fn: clickGroup, evt: 'click', key: ['G', true]},\n      {sel: '#tool_ungroup', fn: clickGroup, evt: 'click'},\n      {sel: '#tool_unlink_use', fn: clickGroup, evt: 'click'},\n      {sel: '[id^=tool_align]', fn: clickAlign, evt: 'click'},\n      // these two lines are required to make Opera work properly with the flyout mechanism\n      // {sel: '#tools_rect_show', fn: clickRect, evt: 'click'},\n      // {sel: '#tools_ellipse_show', fn: clickEllipse, evt: 'click'},\n      {sel: '#tool_bold', fn: clickBold, evt: 'mousedown'},\n      {sel: '#tool_italic', fn: clickItalic, evt: 'mousedown'},\n      {sel: '#sidepanel_handle', fn: toggleSidePanel, key: ['X']},\n      {sel: '#copy_save_done', fn: cancelOverlays, evt: 'click'},\n\n      // Shortcuts not associated with buttons\n\n      {key: 'ctrl+left', fn () { rotateSelected(0, 1); }},\n      {key: 'ctrl+right', fn () { rotateSelected(1, 1); }},\n      {key: 'ctrl+shift+left', fn () { rotateSelected(0, 5); }},\n      {key: 'ctrl+shift+right', fn () { rotateSelected(1, 5); }},\n      {key: 'shift+O', fn: selectPrev},\n      {key: 'shift+P', fn: selectNext},\n      {key: [modKey + 'up', true], fn () { zoomImage(2); }},\n      {key: [modKey + 'down', true], fn () { zoomImage(0.5); }},\n      {key: [modKey + ']', true], fn () { moveUpDownSelected('Up'); }},\n      {key: [modKey + '[', true], fn () { moveUpDownSelected('Down'); }},\n      {key: ['up', true], fn () { moveSelected(0, -1); }},\n      {key: ['down', true], fn () { moveSelected(0, 1); }},\n      {key: ['left', true], fn () { moveSelected(-1, 0); }},\n      {key: ['right', true], fn () { moveSelected(1, 0); }},\n      {key: 'shift+up', fn () { moveSelected(0, -10); }},\n      {key: 'shift+down', fn () { moveSelected(0, 10); }},\n      {key: 'shift+left', fn () { moveSelected(-10, 0); }},\n      {key: 'shift+right', fn () { moveSelected(10, 0); }},\n      {key: ['alt+up', true], fn () { svgCanvas.cloneSelectedElements(0, -1); }},\n      {key: ['alt+down', true], fn () { svgCanvas.cloneSelectedElements(0, 1); }},\n      {key: ['alt+left', true], fn () { svgCanvas.cloneSelectedElements(-1, 0); }},\n      {key: ['alt+right', true], fn () { svgCanvas.cloneSelectedElements(1, 0); }},\n      {key: ['alt+shift+up', true], fn () { svgCanvas.cloneSelectedElements(0, -10); }},\n      {key: ['alt+shift+down', true], fn () { svgCanvas.cloneSelectedElements(0, 10); }},\n      {key: ['alt+shift+left', true], fn () { svgCanvas.cloneSelectedElements(-10, 0); }},\n      {key: ['alt+shift+right', true], fn () { svgCanvas.cloneSelectedElements(10, 0); }},\n      {key: 'A', fn () { svgCanvas.selectAllInCurrentLayer(); }},\n\n      // Standard shortcuts\n      {key: modKey + 'z', fn: clickUndo},\n      {key: modKey + 'shift+z', fn: clickRedo},\n      {key: modKey + 'y', fn: clickRedo},\n\n      {key: modKey + 'x', fn: cutSelected},\n      {key: modKey + 'c', fn: copySelected},\n      {key: modKey + 'v', fn: pasteInCenter}\n    ];\n\n    // Tooltips not directly associated with a single function\n    const keyAssocs = {\n      '4/Shift+4': '#tools_rect_show',\n      '5/Shift+5': '#tools_ellipse_show'\n    };\n\n    return { /** @lends module:SVGEditor~Actions */\n      /**\n       * @returns {undefined}\n       */\n      setAll () {\n        const flyouts = {};\n\n        $.each(toolButtons, function (i, opts) {\n          // Bind function to button\n          let btn;\n          if (opts.sel) {\n            btn = $(opts.sel);\n            if (!btn.length) { return true; } // Skip if markup does not exist\n            if (opts.evt) {\n              if (isTouch() && opts.evt === 'click') {\n                opts.evt = 'mousedown';\n              }\n              btn[opts.evt](opts.fn);\n            }\n\n            // Add to parent flyout menu, if able to be displayed\n            if (opts.parent && $(opts.parent + '_show').length) {\n              let fH = $(opts.parent);\n              if (!fH.length) {\n                fH = makeFlyoutHolder(opts.parent.substr(1));\n              }\n              if (opts.prepend) {\n                btn[0].style.margin = 'initial';\n              }\n              fH[opts.prepend ? 'prepend' : 'append'](btn);\n\n              if (!Array.isArray(flyouts[opts.parent])) {\n                flyouts[opts.parent] = [];\n              }\n              flyouts[opts.parent].push(opts);\n            }\n          }\n\n          // Bind function to shortcut key\n          if (opts.key) {\n            // Set shortcut based on options\n            let keyval,\n              // disInInp = true,\n              pd = false;\n            if (Array.isArray(opts.key)) {\n              keyval = opts.key[0];\n              if (opts.key.length > 1) { pd = opts.key[1]; }\n              // if (opts.key.length > 2) { disInInp = opts.key[2]; }\n            } else {\n              keyval = opts.key;\n            }\n            keyval += '';\n\n            const {fn} = opts;\n            $.each(keyval.split('/'), function (i, key) {\n              $(document).bind('keydown', key, function (e) {\n                fn();\n                if (pd) {\n                  e.preventDefault();\n                }\n                // Prevent default on ALL keys?\n                return false;\n              });\n            });\n\n            // Put shortcut in title\n            if (opts.sel && !opts.hidekey && btn.attr('title')) {\n              const newTitle = btn.attr('title').split('[')[0] + ' (' + keyval + ')';\n              keyAssocs[keyval] = opts.sel;\n              // Disregard for menu items\n              if (!btn.parents('#main_menu').length) {\n                btn.attr('title', newTitle);\n              }\n            }\n          }\n        });\n\n        // Setup flyouts\n        setupFlyouts(flyouts);\n\n        // Misc additional actions\n\n        // Make 'return' keypress trigger the change event\n        $('.attr_changer, #image_url').bind('keydown', 'return',\n          function (evt) {\n            $(this).change();\n            evt.preventDefault();\n          }\n        );\n\n        $(window).bind('keydown', 'tab', function (e) {\n          if (uiContext === 'canvas') {\n            e.preventDefault();\n            selectNext();\n          }\n        }).bind('keydown', 'shift+tab', function (e) {\n          if (uiContext === 'canvas') {\n            e.preventDefault();\n            selectPrev();\n          }\n        });\n\n        $('#tool_zoom').dblclick(dblclickZoom);\n      },\n      /**\n       * @returns {undefined}\n       */\n      setTitles () {\n        $.each(keyAssocs, function (keyval, sel) {\n          const menu = ($(sel).parents('#main_menu').length);\n\n          $(sel).each(function () {\n            let t;\n            if (menu) {\n              t = $(this).text().split(' [')[0];\n            } else {\n              t = this.title.split(' [')[0];\n            }\n            let keyStr = '';\n            // Shift+Up\n            $.each(keyval.split('/'), function (i, key) {\n              const modBits = key.split('+');\n              let mod = '';\n              if (modBits.length > 1) {\n                mod = modBits[0] + '+';\n                key = modBits[1];\n              }\n              keyStr += (i ? '/' : '') + mod + (uiStrings['key_' + key] || key);\n            });\n            if (menu) {\n              this.lastChild.textContent = t + ' [' + keyStr + ']';\n            } else {\n              this.title = t + ' [' + keyStr + ']';\n            }\n          });\n        });\n      },\n      /**\n       * @param {string} sel Selector to match\n       * @returns {module:SVGEditor.ToolButton}\n       */\n      getButtonData (sel) {\n        return Object.values(toolButtons).find((btn) => {\n          return btn.sel === sel;\n        });\n      }\n    };\n  }());\n\n  // Select given tool\n  editor.ready(function () {\n    let tool;\n    const itool = curConfig.initTool,\n      container = $('#tools_left, #svg_editor .tools_flyout'),\n      preTool = container.find('#tool_' + itool),\n      regTool = container.find('#' + itool);\n    if (preTool.length) {\n      tool = preTool;\n    } else if (regTool.length) {\n      tool = regTool;\n    } else {\n      tool = $('#tool_select');\n    }\n    tool.click().mouseup();\n\n    if (curConfig.wireframe) {\n      $('#tool_wireframe').click();\n    }\n\n    if (curConfig.showlayers) {\n      toggleSidePanel();\n    }\n\n    $('#rulers').toggle(!!curConfig.showRulers);\n\n    if (curConfig.showRulers) {\n      $('#show_rulers')[0].checked = true;\n    }\n\n    if (curConfig.baseUnit) {\n      $('#base_unit').val(curConfig.baseUnit);\n    }\n\n    if (curConfig.gridSnapping) {\n      $('#grid_snapping_on')[0].checked = true;\n    }\n\n    if (curConfig.snappingStep) {\n      $('#grid_snapping_step').val(curConfig.snappingStep);\n    }\n\n    if (curConfig.gridColor) {\n      $('#grid_color').val(curConfig.gridColor);\n    }\n  });\n\n  // init SpinButtons\n  $('#rect_rx').SpinButton({min: 0, max: 1000, stateObj, callback: changeRectRadius});\n  $('#stroke_width').SpinButton({min: 0, max: 99, smallStep: 0.1, stateObj, callback: changeStrokeWidth});\n  $('#angle').SpinButton({min: -180, max: 180, step: 5, stateObj, callback: changeRotationAngle});\n  $('#font_size').SpinButton({min: 0.001, stepfunc: stepFontSize, stateObj, callback: changeFontSize});\n  $('#group_opacity').SpinButton({min: 0, max: 100, step: 5, stateObj, callback: changeOpacity});\n  $('#blur').SpinButton({min: 0, max: 10, step: 0.1, stateObj, callback: changeBlur});\n  $('#zoom').SpinButton({min: 0.001, max: 10000, step: 50, stepfunc: stepZoom, stateObj, callback: changeZoom})\n    // Set default zoom\n    .val(svgCanvas.getZoom() * 100);\n\n  $('#workarea').contextMenu(\n    {\n      menu: 'cmenu_canvas',\n      inSpeed: 0\n    },\n    function (action, el, pos) {\n      switch (action) {\n      case 'delete':\n        deleteSelected();\n        break;\n      case 'cut':\n        cutSelected();\n        break;\n      case 'copy':\n        copySelected();\n        break;\n      case 'paste':\n        svgCanvas.pasteElements();\n        break;\n      case 'paste_in_place':\n        svgCanvas.pasteElements('in_place');\n        break;\n      case 'group':\n      case 'group_elements':\n        svgCanvas.groupSelectedElements();\n        break;\n      case 'ungroup':\n        svgCanvas.ungroupSelectedElement();\n        break;\n      case 'move_front':\n        moveToTopSelected();\n        break;\n      case 'move_up':\n        moveUpDownSelected('Up');\n        break;\n      case 'move_down':\n        moveUpDownSelected('Down');\n        break;\n      case 'move_back':\n        moveToBottomSelected();\n        break;\n      default:\n        if (hasCustomHandler(action)) {\n          getCustomHandler(action).call();\n        }\n        break;\n      }\n    }\n  );\n\n  const lmenuFunc = function (action, el, pos) {\n    switch (action) {\n    case 'dupe':\n      cloneLayer();\n      break;\n    case 'delete':\n      deleteLayer();\n      break;\n    case 'merge_down':\n      mergeLayer();\n      break;\n    case 'merge_all':\n      svgCanvas.mergeAllLayers();\n      updateContextPanel();\n      populateLayers();\n      break;\n    }\n  };\n\n  $('#layerlist').contextMenu(\n    {\n      menu: 'cmenu_layers',\n      inSpeed: 0\n    },\n    lmenuFunc\n  );\n\n  $('#layer_moreopts').contextMenu(\n    {\n      menu: 'cmenu_layers',\n      inSpeed: 0,\n      allowLeft: true\n    },\n    lmenuFunc\n  );\n\n  $('.contextMenu li').mousedown(function (ev) {\n    ev.preventDefault();\n  });\n\n  $('#cmenu_canvas li').disableContextMenu();\n  canvMenu.enableContextMenuItems('#delete,#cut,#copy');\n\n  function enableOrDisableClipboard () {\n    let svgeditClipboard;\n    try {\n      svgeditClipboard = localStorage.getItem('svgedit_clipboard');\n    } catch (err) {}\n    canvMenu[(svgeditClipboard ? 'en' : 'dis') + 'ableContextMenuItems'](\n      '#paste,#paste_in_place'\n    );\n  }\n  enableOrDisableClipboard();\n\n  window.addEventListener('storage', function (e) {\n    if (e.key !== 'svgedit_clipboard') { return; }\n\n    enableOrDisableClipboard();\n  });\n\n  window.addEventListener('beforeunload', function (e) {\n    // Suppress warning if page is empty\n    if (undoMgr.getUndoStackSize() === 0) {\n      editor.showSaveWarning = false;\n    }\n\n    // showSaveWarning is set to 'false' when the page is saved.\n    if (!curConfig.no_save_warning && editor.showSaveWarning) {\n      // Browser already asks question about closing the page\n      e.returnValue = uiStrings.notification.unsavedChanges; // Firefox needs this when beforeunload set by addEventListener (even though message is not used)\n      return uiStrings.notification.unsavedChanges;\n    }\n  }, false);\n\n  /**\n  * Expose the uiStrings\n  * @function module:SVGEditor.canvas.getUIStrings\n  * @returns {module:SVGEditor.uiStrings}\n  */\n  editor.canvas.getUIStrings = function () {\n    return uiStrings;\n  };\n\n  /**\n  * @callback module:SVGEditor.OpenPrepCallback\n  * @param {boolean} noChanges\n  * @returns {undefined}\n  */\n  /**\n  * @param {module:SVGEditor.OpenPrepCallback} func Confirmation dialog callback\n  * @returns {undefined}\n  */\n  editor.openPrep = function (func) {\n    $('#main_menu').hide();\n    if (undoMgr.getUndoStackSize() === 0) {\n      func(true);\n    } else {\n      $.confirm(uiStrings.notification.QwantToOpen, func);\n    }\n  };\n\n  function onDragEnter (e) {\n    e.stopPropagation();\n    e.preventDefault();\n    // and indicator should be displayed here, such as \"drop files here\"\n  }\n\n  function onDragOver (e) {\n    e.stopPropagation();\n    e.preventDefault();\n  }\n\n  function onDragLeave (e) {\n    e.stopPropagation();\n    e.preventDefault();\n    // hypothetical indicator should be removed here\n  }\n  // Use HTML5 File API: http://www.w3.org/TR/FileAPI/\n  // if browser has HTML5 File API support, then we will show the open menu item\n  // and provide a file input to click. When that change event fires, it will\n  // get the text contents of the file and send it to the canvas\n  if (window.FileReader) {\n    const importImage = function (e) {\n      $.process_cancel(uiStrings.notification.loadingImage);\n      e.stopPropagation();\n      e.preventDefault();\n      $('#workarea').removeAttr('style');\n      $('#main_menu').hide();\n      const file = (e.type === 'drop') ? e.dataTransfer.files[0] : this.files[0];\n      if (!file) {\n        $('#dialog_box').hide();\n        return;\n      }\n      /* if (file.type === 'application/pdf') { // Todo: Handle PDF imports\n\n      }\n      else */\n      if (file.type.includes('image')) {\n        // Detected an image\n        // svg handling\n        let reader;\n        if (file.type.includes('svg')) {\n          reader = new FileReader();\n          reader.onloadend = function (e) {\n            const newElement = svgCanvas.importSvgString(e.target.result, true);\n            svgCanvas.ungroupSelectedElement();\n            svgCanvas.ungroupSelectedElement();\n            svgCanvas.groupSelectedElements();\n            svgCanvas.alignSelectedElements('m', 'page');\n            svgCanvas.alignSelectedElements('c', 'page');\n            // highlight imported element, otherwise we get strange empty selectbox\n            svgCanvas.selectOnly([newElement]);\n            $('#dialog_box').hide();\n          };\n          reader.readAsText(file);\n        } else {\n          // bitmap handling\n          reader = new FileReader();\n          reader.onloadend = function ({target: {result}}) {\n            // let's insert the new image until we know its dimensions\n            const insertNewImage = function (width, height) {\n              const newImage = svgCanvas.addSVGElementFromJson({\n                element: 'image',\n                attr: {\n                  x: 0,\n                  y: 0,\n                  width,\n                  height,\n                  id: svgCanvas.getNextId(),\n                  style: 'pointer-events:inherit'\n                }\n              });\n              svgCanvas.setHref(newImage, result);\n              svgCanvas.selectOnly([newImage]);\n              svgCanvas.alignSelectedElements('m', 'page');\n              svgCanvas.alignSelectedElements('c', 'page');\n              updateContextPanel();\n              $('#dialog_box').hide();\n            };\n            // create dummy img so we know the default dimensions\n            let imgWidth = 100;\n            let imgHeight = 100;\n            const img = new Image();\n            img.style.opacity = 0;\n            img.onload = function () {\n              imgWidth = img.offsetWidth || img.naturalWidth || img.width;\n              imgHeight = img.offsetHeight || img.naturalHeight || img.height;\n              insertNewImage(imgWidth, imgHeight);\n            };\n            img.src = result;\n          };\n          reader.readAsDataURL(file);\n        }\n      }\n    };\n\n    workarea[0].addEventListener('dragenter', onDragEnter, false);\n    workarea[0].addEventListener('dragover', onDragOver, false);\n    workarea[0].addEventListener('dragleave', onDragLeave, false);\n    workarea[0].addEventListener('drop', importImage, false);\n\n    const open = $('<input type=\"file\">').click(function () {\n      const f = this;\n      editor.openPrep(function (ok) {\n        if (!ok) { return; }\n        svgCanvas.clear();\n        if (f.files.length === 1) {\n          $.process_cancel(uiStrings.notification.loadingImage);\n          const reader = new FileReader();\n          reader.onloadend = function (e) {\n            loadSvgString(e.target.result);\n            updateCanvas();\n          };\n          reader.readAsText(f.files[0]);\n        }\n      });\n    });\n    $('#tool_open').show().prepend(open);\n\n    const imgImport = $('<input type=\"file\">').change(importImage);\n    $('#tool_import').show().prepend(imgImport);\n  }\n\n  // $(function () {\n  updateCanvas(true);\n  // });\n\n  //  const revnums = 'svg-editor.js ($Rev$) ';\n  //  revnums += svgCanvas.getVersion();\n  //  $('#copyright')[0].setAttribute('title', revnums);\n\n  /**\n  * @function module:SVGEditor.setLang\n  * @param {string} lang The language code\n  * @param {module:locale.LocaleStrings} allStrings See {@tutorial LocaleDocs}\n  * @fires module:svgcanvas.SvgCanvas#event:ext-langReady\n  * @fires module:svgcanvas.SvgCanvas#event:ext-langChanged\n  * @returns {undefined}\n  */\n  const setLang = editor.setLang = function (lang, allStrings) {\n    editor.langChanged = true;\n    $.pref('lang', lang);\n    $('#lang_select').val(lang);\n    if (!allStrings) {\n      return;\n    }\n    $.extend(uiStrings, allStrings);\n\n    // const notif = allStrings.notification; // Currently unused\n    // $.extend will only replace the given strings\n    const oldLayerName = $('#layerlist tr.layersel td.layername').text();\n    const renameLayer = (oldLayerName === uiStrings.common.layer + ' 1');\n\n    svgCanvas.setUiStrings(allStrings);\n    Actions.setTitles();\n\n    if (renameLayer) {\n      svgCanvas.renameCurrentLayer(uiStrings.common.layer + ' 1');\n      populateLayers();\n    }\n\n    // In case extensions loaded before the locale, now we execute a callback on them\n    if (extsPreLang.length) {\n      while (extsPreLang.length) {\n        const ext = extsPreLang.shift();\n        ext.langReady({\n          lang,\n          uiStrings,\n          importLocale: getImportLocale({defaultLang: lang, defaultName: ext.name})\n        });\n      }\n    } else {\n      svgCanvas.runExtensions('langReady', /** @type {module:svgcanvas.SvgCanvas#event:ext-langReady} */ {lang, uiStrings});\n    }\n    svgCanvas.runExtensions('langChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-langChanged} */ lang);\n\n    // Update flyout tooltips\n    setFlyoutTitles();\n\n    // Copy title for certain tool elements\n    const elems = {\n      '#stroke_color': '#tool_stroke .icon_label, #tool_stroke .color_block',\n      '#fill_color': '#tool_fill label, #tool_fill .color_block',\n      '#linejoin_miter': '#cur_linejoin',\n      '#linecap_butt': '#cur_linecap'\n    };\n\n    $.each(elems, function (source, dest) {\n      $(dest).attr('title', $(source)[0].title);\n    });\n\n    // Copy alignment titles\n    $('#multiselected_panel div[id^=tool_align]').each(function () {\n      $('#tool_pos' + this.id.substr(10))[0].title = this.title;\n    });\n  };\n  localeInit(\n    /**\n    * @implements {module:locale.LocaleEditorInit}\n    */\n    {\n      /**\n      * Gets an array of results from extensions with a `addLangData` method\n      * returning an object with a `data` property set to its locales (to be\n      * merged with regular locales)\n      * @param {string} langParam\n      * @fires module:svgcanvas.SvgCanvas#event:ext-addLangData\n      * @todo Can we forego this in favor of `langReady` (or forego `langReady`)?\n      * @returns {module:locale.AddLangExtensionLocaleData[]}\n      */\n      addLangData (langParam) {\n        return svgCanvas.runExtensions(\n          'addLangData',\n          /**\n           * @function\n           * @type {module:svgcanvas.ExtensionVarBuilder}\n           * @param {string} defaultLang\n           * @param {string} defaultName\n           * @returns {module:svgcanvas.SvgCanvas#event:ext-addLangData}\n           */\n          (name) => { // We pass in a function as we don't know the extension name here when defining this `addLangData` method\n            return {\n              lang: langParam,\n              importLocale: getImportLocale({defaultLang: langParam, defaultName: name})\n            };\n          },\n          true\n        );\n      },\n      curConfig\n    }\n  );\n  // Load extensions\n  // Bit of a hack to run extensions in local Opera/IE9\n  if (document.location.protocol === 'file:') {\n    setTimeout(extAndLocaleFunc, 100);\n  } else {\n    // Returns a promise (if we wanted to fire 'extensions-loaded' event, potentially useful to hide interface as some extension locales are only available after this)\n    extAndLocaleFunc();\n  }\n};\n\n/**\n* @callback module:SVGEditor.ReadyCallback\n* @returns {undefined}\n*/\n/**\n* Queues a callback to be invoked when the editor is ready (or\n*   to be invoked immediately if it is already ready--i.e.,\n*   if `svgEditor.runCallbacks` has been run)\n* @param {module:SVGEditor.ReadyCallback} cb Callback to be queued to invoke\n* @returns {undefined}\n*/\neditor.ready = function (cb) {\n  if (!isReady) {\n    callbacks.push(cb);\n  } else {\n    cb();\n  }\n};\n\n/**\n* Invokes the callbacks previous set by `svgEditor.ready`\n* @returns {undefined}\n*/\neditor.runCallbacks = function () {\n  callbacks.forEach((cb) => {\n    cb();\n  });\n  isReady = true;\n};\n\n/**\n* @param {string} str The SVG string to load\n* @returns {undefined}\n*/\neditor.loadFromString = function (str) {\n  editor.ready(function () {\n    loadSvgString(str);\n  });\n};\n\n/**\n* Not presently in use\n* @param {PlainObject} featList\n* @returns {undefined}\n*/\neditor.disableUI = function (featList) {\n  // $(function () {\n  //   $('#tool_wireframe, #tool_image, #main_button, #tool_source, #sidepanels').remove();\n  //   $('#tools_top').css('left', 5);\n  // });\n};\n\n/**\n * @callback module:SVGEditor.URLLoadCallback\n * @param {boolean} success\n * @returns {undefined}\n */\n/**\n* @param {string} url URL from which to load an SVG string via Ajax\n* @param {PlainObject} [opts] May contain properties: `cache`, `callback`\n* @param {boolean} opts.cache\n* @param {module:SVGEditor.URLLoadCallback} opts.callback Invoked with `true` or `false` depending on success\n* @returns {undefined}\n*/\neditor.loadFromURL = function (url, opts) {\n  if (!opts) { opts = {}; }\n\n  const {cache, callback: cb} = opts;\n\n  editor.ready(function () {\n    $.ajax({\n      url,\n      dataType: 'text',\n      cache: !!cache,\n      beforeSend () {\n        $.process_cancel(uiStrings.notification.loadingImage);\n      },\n      success (str) {\n        loadSvgString(str, cb);\n      },\n      error (xhr, stat, err) {\n        if (xhr.status !== 404 && xhr.responseText) {\n          loadSvgString(xhr.responseText, cb);\n        } else {\n          $.alert(uiStrings.notification.URLloadFail + ': \\n' + err, cb);\n        }\n      },\n      complete () {\n        $('#dialog_box').hide();\n      }\n    });\n  });\n};\n\n/**\n* @param {string} str The Data URI to base64-decode (if relevant) and load\n* @returns {undefined}\n*/\neditor.loadFromDataURI = function (str) {\n  editor.ready(function () {\n    let base64 = false;\n    let pre = str.match(/^data:image\\/svg\\+xml;base64,/);\n    if (pre) {\n      base64 = true;\n    } else {\n      pre = str.match(/^data:image\\/svg\\+xml(?:;(?:utf8)?)?,/);\n    }\n    if (pre) {\n      pre = pre[0];\n    }\n    const src = str.slice(pre.length);\n    loadSvgString(base64 ? Utils.decode64(src) : decodeURIComponent(src));\n  });\n};\n\n/**\n * @param {string} name Used internally; no need for i18n.\n * @param {module:svgcanvas.ExtensionInitCallback} init Config to be invoked on this module\n * @param {module:SVGEditor~ImportLocale} importLocale Importer defaulting to pth with current extension name and locale\n * @throws {Error} If called too early\n * @returns {Promise} Resolves to `undefined`\n*/\neditor.addExtension = function (name, init, importLocale) {\n  // Note that we don't want this on editor.ready since some extensions\n  // may want to run before then (like server_opensave).\n  // $(function () {\n  if (!svgCanvas) {\n    throw new Error('Extension added too early');\n  }\n  return svgCanvas.addExtension.call(this, name, init, importLocale);\n  // });\n};\n\n// Defer injection to wait out initial menu processing. This probably goes\n//    away once all context menu behavior is brought to context menu.\neditor.ready(() => {\n  injectExtendedContextMenuItemsIntoDom();\n});\n\nlet extensionsAdded = false;\nconst messageQueue = [];\n/**\n * @param {Any} data\n * @param {string} origin\n * @fires module:svgcanvas.SvgCanvas#event:message\n * @returns {undefined}\n */\nconst messageListener = ({data, origin}) => {\n  // console.log('data, origin, extensionsAdded', data, origin, extensionsAdded);\n  const messageObj = {data, origin};\n  if (!extensionsAdded) {\n    messageQueue.push(messageObj);\n  } else {\n    // Extensions can handle messages at this stage with their own\n    //  canvas `message` listeners\n    svgCanvas.call('message', messageObj);\n  }\n};\nwindow.addEventListener('message', messageListener);\n\n// Run init once DOM is loaded\n// jQuery(editor.init);\nPromise.resolve().then(() => {\n  // We wait a micro-task to let the svgEditor variable be defined for module checks\n  editor.init();\n});\n\nexport default editor;\n","// Todo: Update: https://github.com/jeresig/jquery.hotkeys\n/*\n * jQuery Hotkeys Plugin\n * Copyright 2010, John Resig\n * Dual licensed under the MIT or GPL Version 2 licenses.\n *\n * http://github.com/jeresig/jquery.hotkeys\n *\n * Based upon the plugin by Tzury Bar Yochay:\n * http://github.com/tzuryby/hotkeys\n *\n * Original idea by:\n * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/\n*/\n\nexport default function(b){b.hotkeys={version:\"0.8\",specialKeys:{8:\"backspace\",9:\"tab\",13:\"return\",16:\"shift\",17:\"ctrl\",18:\"alt\",19:\"pause\",20:\"capslock\",27:\"esc\",32:\"space\",33:\"pageup\",34:\"pagedown\",35:\"end\",36:\"home\",37:\"left\",38:\"up\",39:\"right\",40:\"down\",45:\"insert\",46:\"del\",96:\"0\",97:\"1\",98:\"2\",99:\"3\",100:\"4\",101:\"5\",102:\"6\",103:\"7\",104:\"8\",105:\"9\",106:\"*\",107:\"+\",109:\"-\",110:\".\",111:\"/\",112:\"f1\",113:\"f2\",114:\"f3\",115:\"f4\",116:\"f5\",117:\"f6\",118:\"f7\",119:\"f8\",120:\"f9\",121:\"f10\",122:\"f11\",123:\"f12\",144:\"numlock\",145:\"scroll\",191:\"/\",224:\"meta\",219:\"[\",221:\"]\"},shiftNums:{\"`\":\"~\",\"1\":\"!\",\"2\":\"@\",\"3\":\"#\",\"4\":\"$\",\"5\":\"%\",\"6\":\"^\",\"7\":\"&\",\"8\":\"*\",\"9\":\"(\",\"0\":\")\",\"-\":\"_\",\"=\":\"+\",\";\":\": \",\"'\":'\"',\",\":\"<\",\".\":\">\",\"/\":\"?\",\"\\\\\":\"|\"}};function a(d){if(typeof d.data!==\"string\"){return}var c=d.handler,e=d.data.toLowerCase().split(\" \");d.handler=function(n){if(this!==n.target&&(/textarea|select/i.test(n.target.nodeName)||n.target.type===\"text\")){return}var h=n.type!==\"keypress\"&&b.hotkeys.specialKeys[n.which],o=String.fromCharCode(n.which).toLowerCase(),k,m=\"\",g={};if(n.altKey&&h!==\"alt\"){m+=\"alt+\"}if(n.ctrlKey&&h!==\"ctrl\"){m+=\"ctrl+\"}if(n.metaKey&&!n.ctrlKey&&h!==\"meta\"){m+=\"meta+\"}if(n.shiftKey&&h!==\"shift\"){m+=\"shift+\"}if(h){g[m+h]=true}else{g[m+o]=true;g[m+b.hotkeys.shiftNums[o]]=true;if(m===\"shift+\"){g[b.hotkeys.shiftNums[o]]=true}}for(var j=0,f=e.length;j<f;j++){if(g[e[j]]){return c.apply(this,arguments)}}}}b.each([\"keydown\",\"keyup\",\"keypress\"],function(){b.event.special[this]={add:a}})\n\nreturn b;\n}\n","/*\n * Todo: Update to latest at https://github.com/cowboy/jquery-bbq ?\n * jQuery BBQ: Back Button & Query Library - v1.2.1 - 2/17/2010\n * http://benalman.com/projects/jquery-bbq-plugin/\n *\n * Copyright (c) 2010 \"Cowboy\" Ben Alman\n * Dual licensed under the MIT and GPL licenses.\n * http://benalman.com/about/license/\n */\n\n// For sake of modules, added this wrapping export and changed `this` to `window`\nexport default function (jQuery) {\n\n(function($,p){var i,m=Array.prototype.slice,r=decodeURIComponent,a=$.param,c,l,v,b=$.bbq=$.bbq||{},q,u,j,e=$.event.special,d=\"hashchange\",A=\"querystring\",D=\"fragment\",y=\"elemUrlAttr\",g=\"location\",k=\"href\",t=\"src\",x=/^.*\\?|#.*$/g,w=/^.*\\#/,h,C={};function E(F){return typeof F===\"string\"}function B(G){var F=m.call(arguments,1);return function(){return G.apply(this,F.concat(m.call(arguments)))}}function n(F){return F.replace(/^[^#]*#?(.*)$/,\"$1\")}function o(F){return F.replace(/(?:^[^?#]*\\?([^#]*).*$)?.*/,\"$1\")}function f(H,M,F,I,G){var O,L,K,N,J;if(I!==i){K=F.match(H?/^([^#]*)\\#?(.*)$/:/^([^#?]*)\\??([^#]*)(#?.*)/);J=K[3]||\"\";if(G===2&&E(I)){L=I.replace(H?w:x,\"\")}else{N=l(K[2]);I=E(I)?l[H?D:A](I):I;L=G===2?I:G===1?$.extend({},I,N):$.extend({},N,I);L=a(L);if(H){L=L.replace(h,r)}}O=K[1]+(H?\"#\":L||!K[1]?\"?\":\"\")+L+J}else{O=M(F!==i?F:p[g][k])}return O}a[A]=B(f,0,o);a[D]=c=B(f,1,n);c.noEscape=function(G){G=G||\"\";var F=$.map(G.split(\"\"),encodeURIComponent);h=new RegExp(F.join(\"|\"),\"g\")};c.noEscape(\",/\");$.deparam=l=function(I,F){var H={},G={\"true\":!0,\"false\":!1,\"null\":null};$.each(I.replace(/\\+/g,\" \").split(\"&\"),function(L,Q){var K=Q.split(\"=\"),P=r(K[0]),J,O=H,M=0,R=P.split(\"][\"),N=R.length-1;if(/\\[/.test(R[0])&&/\\]$/.test(R[N])){R[N]=R[N].replace(/\\]$/,\"\");R=R.shift().split(\"[\").concat(R);N=R.length-1}else{N=0}if(K.length===2){J=r(K[1]);if(F){J=J&&!isNaN(J)?+J:J===\"undefined\"?i:G[J]!==i?G[J]:J}if(N){for(;M<=N;M++){P=R[M]===\"\"?O.length:R[M];O=O[P]=M<N?O[P]||(R[M+1]&&isNaN(R[M+1])?{}:[]):J}}else{if($.isArray(H[P])){H[P].push(J)}else{if(H[P]!==i){H[P]=[H[P],J]}else{H[P]=J}}}}else{if(P){H[P]=F?i:\"\"}}});return H};function z(H,F,G){if(F===i||typeof F===\"boolean\"){G=F;F=a[H?D:A]()}else{F=E(F)?F.replace(H?w:x,\"\"):F}return l(F,G)}l[A]=B(z,0);l[D]=v=B(z,1);$[y]||($[y]=function(F){return $.extend(C,F)})({a:k,base:k,iframe:t,img:t,input:t,form:\"action\",link:k,script:t});j=$[y];function s(I,G,H,F){if(!E(H)&&typeof H!==\"object\"){F=H;H=G;G=i}return this.each(function(){var L=$(this),J=G||j()[(this.nodeName||\"\").toLowerCase()]||\"\",K=J&&L.attr(J)||\"\";L.attr(J,a[I](K,H,F))})}$.fn[A]=B(s,A);$.fn[D]=B(s,D);b.pushState=q=function(I,F){if(E(I)&&/^#/.test(I)&&F===i){F=2}var H=I!==i,G=c(p[g][k],H?I:{},H?F:2);p[g][k]=G+(/#/.test(G)?\"\":\"#\")};b.getState=u=function(F,G){return F===i||typeof F===\"boolean\"?v(F):v(G)[F]};b.removeState=function(F){var G={};if(F!==i){G=u();$.each($.isArray(F)?F:arguments,function(I,H){delete G[H]})}q(G,2)};e[d]=$.extend(e[d],{add:function(F){var H;function G(J){var I=J[D]=c();J.getState=function(K,L){return K===i||typeof K===\"boolean\"?l(I,K):l(I,L)[K]};H.apply(this,arguments)}if($.isFunction(F)){H=F;return G}else{H=F.handler;F.handler=G}}})})(jQuery,window);\n/*\n * jQuery hashchange event - v1.2 - 2/11/2010\n * http://benalman.com/projects/jquery-hashchange-plugin/\n *\n * Copyright (c) 2010 \"Cowboy\" Ben Alman\n * Dual licensed under the MIT and GPL licenses.\n * http://benalman.com/about/license/\n */\n(function($,i,b){var j,k=$.event.special,c=\"location\",d=\"hashchange\",l=\"href\",f=$.browser,g=document.documentMode,h=f.msie&&(g===b||g<8),e=\"on\"+d in i&&!h;function a(m){m=m||i[c][l];return m.replace(/^[^#]*#?(.*)$/,\"$1\")}$[d+\"Delay\"]=100;k[d]=$.extend(k[d],{setup:function(){if(e){return false}$(j.start)},teardown:function(){if(e){return false}$(j.stop)}});j=(function(){var m={},r,n,o,q;function p(){o=q=function(s){return s};if(h){n=$('<iframe src=\"javascript:0\"/>').hide().insertAfter(\"body\")[0].contentWindow;q=function(){return a(n.document[c][l])};o=function(u,s){if(u!==s){var t=n.document;t.open().close();t[c].hash=\"#\"+u}};o(a())}}m.start=function(){if(r){return}var t=a();o||p();(function s(){var v=a(),u=q(t);if(v!==t){o(t=v,u);$(i).trigger(d)}else{if(u!==t){i[c][l]=i[c][l].replace(/#.*/,\"\")+\"#\"+u}}r=setTimeout(s,$[d+\"Delay\"])})()};m.stop=function(){if(!n){r&&clearTimeout(r);r=0}};return m})()})(jQuery,window);\n\nreturn jQuery;\n}\n","/**\n * SVG Icon Loader 2.0\n *\n * jQuery Plugin for loading SVG icons from a single file\n *\n * Adds {@link external:jQuery.svgIcons}, {@link external:jQuery.getSvgIcon}, {@link external:jQuery.resizeSvgIcons}\n *\n * How to use:\n\n1. Create the SVG master file that includes all icons:\n\nThe master SVG icon-containing file is an SVG file that contains\n`<g>` elements. Each `<g>` element should contain the markup of an SVG\nicon. The `<g>` element has an ID that should\ncorrespond with the ID of the HTML element used on the page that should contain\nor optionally be replaced by the icon. Additionally, one empty element should be\nadded at the end with id \"svg_eof\".\n\n2. Optionally create fallback raster images for each SVG icon.\n\n3. Include the jQuery and the SVG Icon Loader scripts on your page.\n\n4. Run `$.svgIcons()` when the document is ready. See its signature\n\n5. To access an icon at a later point without using the callback, use this:\n  `$.getSvgIcon(id (string), uniqueClone (boolean))`;\n\nThis will return the icon (as jQuery object) with a given ID.\n\n6. To resize icons at a later point without using the callback, use this:\n  `$.resizeSvgIcons(resizeOptions)` (use the same way as the \"resize\" parameter)\n *\n * @module jQuerySVGIcons\n * @license MIT\n * @copyright (c) 2009 Alexis Deveria\n * {@link http://a.deveria.com}\n * @example usage #1:\n\n$(function() {\n  $.svgIcons('my_icon_set.svg'); // The SVG file that contains all icons\n  // No options have been set, so all icons will automatically be inserted\n  // into HTML elements that match the same IDs.\n});\n\n* @example usage #2:\n\n$(function() {\n  $.svgIcons('my_icon_set.svg', { // The SVG file that contains all icons\n    callback (icons) { // Custom callback function that sets click\n                  // events for each icon\n      $.each(icons, function(id, icon) {\n        icon.click(function() {\n          alert('You clicked on the icon with id ' + id);\n        });\n      });\n    }\n  }); //The SVG file that contains all icons\n});\n\n* @example usage #3:\n\n$(function() {\n  $.svgIcons('my_icon_set.svgz', { // The SVGZ file that contains all icons\n    w: 32,  // All icons will be 32px wide\n    h: 32,  // All icons will be 32px high\n    fallback_path: 'icons/',  // All fallback files can be found here\n    fallback: {\n      '#open_icon': 'open.png',  // The \"open.png\" will be appended to the\n                    // HTML element with ID \"open_icon\"\n      '#close_icon': 'close.png',\n      '#save_icon': 'save.png'\n    },\n    placement: {'.open_icon','open'}, // The \"open\" icon will be added\n                    // to all elements with class \"open_icon\"\n    resize () {\n      '#save_icon .svg_icon': 64  // The \"save\" icon will be resized to 64 x 64px\n    },\n\n    callback (icons) { // Sets background color for \"close\" icon\n      icons['close'].css('background','red');\n    },\n\n    svgz: true // Indicates that an SVGZ file is being used\n\n  })\n});\n*/\n\n/**\n* @callback module:jQuerySVGIcons.SVGIconsLoadedCallback\n* @param {PlainObject.<string, external:jQuery>} svgIcons IDs keyed to jQuery objects of images\n*/\n\n/**\n * @function module:jQuerySVGIcons.jQuerySVGIcons\n * @param {external:jQuery} $ Its keys include all icon IDs and the values, the icon as a jQuery object\n*/\nexport default function ($) {\n  const svgIcons = {};\n\n  let fixIDs;\n  /**\n  * @function external:jQuery.svgIcons\n  * @param {string} file The location of a local SVG or SVGz file\n  * @param {PlainObject} [options]\n  * @param {Float} [options.w] The icon widths\n  * @param {Float} [options.h] The icon heights\n  * @param {PlainObject.<string, string>} [options.fallback] List of raster images with each\n    key being the SVG icon ID to replace, and the value the image file name\n  * @param {string} [options.fallback_path] The path to use for all images\n    listed under \"fallback\"\n  * @param {boolean} [options.replace] If set to `true`, HTML elements will be replaced by,\n    rather than include the SVG icon.\n  * @param {PlainObject.<string, string>} [options.placement] List with selectors for keys and SVG icon ids\n    as values. This provides a custom method of adding icons.\n  * @param {PlainObject.<string, module:jQuerySVGIcons.Size>} [options.resize] List with selectors for keys and numbers\n    as values. This allows an easy way to resize specific icons.\n  * @param {module:jQuerySVGIcons.SVGIconsLoadedCallback} [options.callback] A function to call when all icons have been loaded.\n  * @param {boolean} [options.id_match=true] Automatically attempt to match SVG icon ids with\n    corresponding HTML id\n  * @param {boolean} [options.no_img] Prevent attempting to convert the icon into an `<img>`\n    element (may be faster, help for browser consistency)\n  * @param {boolean} [options.svgz] Indicate that the file is an SVGZ file, and thus not to\n    parse as XML. SVGZ files add compression benefits, but getting data from\n    them fails in Firefox 2 and older.\n  */\n  $.svgIcons = function (file, opts = {}) {\n    const svgns = 'http://www.w3.org/2000/svg',\n      xlinkns = 'http://www.w3.org/1999/xlink',\n      iconW = opts.w || 24,\n      iconH = opts.h || 24;\n    let elems, svgdoc, testImg,\n      iconsMade = false, dataLoaded = false, loadAttempts = 0;\n    const isOpera = !!window.opera,\n      // ua = navigator.userAgent,\n      // isSafari = (ua.includes('Safari/') && !ua.includes('Chrome/')),\n      dataPre = 'data:image/svg+xml;charset=utf-8;base64,';\n\n    let dataEl;\n    if (opts.svgz) {\n      dataEl = $('<object data=\"' + file + '\" type=image/svg+xml>').appendTo('body').hide();\n      try {\n        svgdoc = dataEl[0].contentDocument;\n        dataEl.load(getIcons);\n        getIcons(0, true); // Opera will not run \"load\" event if file is already cached\n      } catch (err1) {\n        useFallback();\n      }\n    } else {\n      const parser = new DOMParser();\n      $.ajax({\n        url: file,\n        dataType: 'string',\n        success (data) {\n          if (!data) {\n            $(useFallback);\n            return;\n          }\n          svgdoc = parser.parseFromString(data, 'text/xml');\n          $(function () {\n            getIcons('ajax');\n          });\n        },\n        error (err) {\n          // TODO: Fix Opera widget icon bug\n          if (window.opera) {\n            $(function () {\n              useFallback();\n            });\n          } else {\n            if (err.responseText) {\n              svgdoc = parser.parseFromString(err.responseText, 'text/xml');\n\n              if (!svgdoc.childNodes.length) {\n                $(useFallback);\n              }\n              $(function () {\n                getIcons('ajax');\n              });\n            } else {\n              $(useFallback);\n            }\n          }\n        }\n      });\n    }\n\n    function getIcons (evt, noWait) {\n      if (evt !== 'ajax') {\n        if (dataLoaded) return;\n        // Webkit sometimes says svgdoc is undefined, other times\n        // it fails to load all nodes. Thus we must make sure the \"eof\"\n        // element is loaded.\n        svgdoc = dataEl[0].contentDocument; // Needed again for Webkit\n        const isReady = (svgdoc && svgdoc.getElementById('svg_eof'));\n        if (!isReady && !(noWait && isReady)) {\n          loadAttempts++;\n          if (loadAttempts < 50) {\n            setTimeout(getIcons, 20);\n          } else {\n            useFallback();\n            dataLoaded = true;\n          }\n          return;\n        }\n        dataLoaded = true;\n      }\n\n      elems = $(svgdoc.firstChild).children(); // .getElementsByTagName('foreignContent');\n\n      if (!opts.no_img) {\n        const testSrc = dataPre + 'PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNzUiIGhlaWdodD0iMjc1Ij48L3N2Zz4%3D';\n\n        testImg = $(new Image()).attr({\n          src: testSrc,\n          width: 0,\n          height: 0\n        }).appendTo('body')\n          .load(function () {\n            // Safari 4 crashes, Opera and Chrome don't\n            makeIcons(true);\n          }).error(function () {\n            makeIcons();\n          });\n      } else {\n        setTimeout(function () {\n          if (!iconsMade) makeIcons();\n        }, 500);\n      }\n    }\n\n    function setIcon (target, icon, id, setID) {\n      if (isOpera) icon.css('visibility', 'hidden');\n      if (opts.replace) {\n        if (setID) icon.attr('id', id);\n        const cl = target.attr('class');\n        if (cl) icon.attr('class', 'svg_icon ' + cl);\n        target.replaceWith(icon);\n      } else {\n        target.append(icon);\n      }\n      if (isOpera) {\n        setTimeout(function () {\n          icon.removeAttr('style');\n        }, 1);\n      }\n    }\n\n    let holder;\n    function addIcon (icon, id) {\n      if (opts.id_match === undefined || opts.id_match !== false) {\n        setIcon(holder, icon, id, true);\n      }\n      svgIcons[id] = icon;\n    }\n\n    function makeIcons (toImage, fallback) {\n      if (iconsMade) return;\n      if (opts.no_img) toImage = false;\n\n      let tempHolder;\n      if (toImage) {\n        tempHolder = $(document.createElement('div'));\n        tempHolder.hide().appendTo('body');\n      }\n      if (fallback) {\n        const path = opts.fallback_path || '';\n        $.each(fallback, function (id, imgsrc) {\n          holder = $('#' + id);\n          const icon = $(new Image())\n            .attr({\n              class: 'svg_icon',\n              src: path + imgsrc,\n              width: iconW,\n              height: iconH,\n              alt: 'icon'\n            });\n\n          addIcon(icon, id);\n        });\n      } else {\n        const len = elems.length;\n        for (let i = 0; i < len; i++) {\n          const elem = elems[i];\n          const {id} = elem;\n          if (id === 'svg_eof') break;\n          holder = $('#' + id);\n          const svgroot = document.createElementNS(svgns, 'svg');\n          // Per https://www.w3.org/TR/xml-names11/#defaulting, the namespace for\n          // attributes should have no value.\n          svgroot.setAttributeNS(null, 'viewBox', [0, 0, iconW, iconH].join(' '));\n\n          let svg = elem.getElementsByTagNameNS(svgns, 'svg')[0];\n\n          // Make flexible by converting width/height to viewBox\n          const w = svg.getAttribute('width');\n          const h = svg.getAttribute('height');\n          svg.removeAttribute('width');\n          svg.removeAttribute('height');\n\n          const vb = svg.getAttribute('viewBox');\n          if (!vb) {\n            svg.setAttribute('viewBox', [0, 0, w, h].join(' '));\n          }\n\n          // Not using jQuery to be a bit faster\n          svgroot.setAttribute('xmlns', svgns);\n          svgroot.setAttribute('width', iconW);\n          svgroot.setAttribute('height', iconH);\n          svgroot.setAttribute('xmlns:xlink', xlinkns);\n          svgroot.setAttribute('class', 'svg_icon');\n\n          // Without cloning, Firefox will make another GET request.\n          // With cloning, causes issue in Opera/Win/Non-EN\n          if (!isOpera) svg = svg.cloneNode(true);\n\n          svgroot.append(svg);\n\n          let icon;\n          if (toImage) {\n            tempHolder.empty().append(svgroot);\n            const str = dataPre + encode64(unescape(encodeURIComponent(new XMLSerializer().serializeToString(svgroot))));\n            icon = $(new Image())\n              .attr({class: 'svg_icon', src: str});\n          } else {\n            icon = fixIDs($(svgroot), i);\n          }\n          addIcon(icon, id);\n        }\n      }\n\n      if (opts.placement) {\n        $.each(opts.placement, function (sel, id) {\n          if (!svgIcons[id]) return;\n          $(sel).each(function (i) {\n            let copy = svgIcons[id].clone();\n            if (i > 0 && !toImage) copy = fixIDs(copy, i, true);\n            setIcon($(this), copy, id);\n          });\n        });\n      }\n      if (!fallback) {\n        if (toImage) tempHolder.remove();\n        if (dataEl) dataEl.remove();\n        if (testImg) testImg.remove();\n      }\n      if (opts.resize) $.resizeSvgIcons(opts.resize);\n      iconsMade = true;\n\n      if (opts.callback) opts.callback(svgIcons);\n    }\n\n    fixIDs = function (svgEl, svgNum, force) {\n      const defs = svgEl.find('defs');\n      if (!defs.length) return svgEl;\n\n      let idElems;\n      if (isOpera) {\n        idElems = defs.find('*').filter(function () {\n          return !!this.id;\n        });\n      } else {\n        idElems = defs.find('[id]');\n      }\n\n      const allElems = svgEl[0].getElementsByTagName('*'), len = allElems.length;\n\n      idElems.each(function (i) {\n        const {id} = this;\n        /*\n        const noDupes = ($(svgdoc).find('#' + id).length <= 1);\n        if (isOpera) noDupes = false; // Opera didn't clone svgEl, so not reliable\n        if(!force && noDupes) return;\n        */\n        const newId = 'x' + id + svgNum + i;\n        this.id = newId;\n\n        const oldVal = 'url(#' + id + ')';\n        const newVal = 'url(#' + newId + ')';\n\n        // Selector method, possibly faster but fails in Opera / jQuery 1.4.3\n        //  svgEl.find('[fill=\"url(#' + id + ')\"]').each(function() {\n        //    this.setAttribute('fill', 'url(#' + newId + ')');\n        //  }).end().find('[stroke=\"url(#' + id + ')\"]').each(function() {\n        //    this.setAttribute('stroke', 'url(#' + newId + ')');\n        //  }).end().find('use').each(function() {\n        //    if(this.getAttribute('xlink:href') == '#' + id) {\n        //      this.setAttributeNS(xlinkns,'href','#' + newId);\n        //    }\n        //  }).end().find('[filter=\"url(#' + id + ')\"]').each(function() {\n        //    this.setAttribute('filter', 'url(#' + newId + ')');\n        //  });\n\n        for (i = 0; i < len; i++) {\n          const elem = allElems[i];\n          if (elem.getAttribute('fill') === oldVal) {\n            elem.setAttribute('fill', newVal);\n          }\n          if (elem.getAttribute('stroke') === oldVal) {\n            elem.setAttribute('stroke', newVal);\n          }\n          if (elem.getAttribute('filter') === oldVal) {\n            elem.setAttribute('filter', newVal);\n          }\n        }\n      });\n      return svgEl;\n    };\n\n    function useFallback () {\n      if (file.includes('.svgz')) {\n        const regFile = file.replace('.svgz', '.svg');\n        if (window.console) {\n          console.log('.svgz failed, trying with .svg');\n        }\n        $.svgIcons(regFile, opts);\n      } else if (opts.fallback) {\n        makeIcons(false, opts.fallback);\n      }\n    }\n\n    function encode64 (input) {\n      // base64 strings are 4/3 larger than the original string\n      if (window.btoa) return window.btoa(input);\n      const _keyStr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n      const output = new Array(Math.floor((input.length + 2) / 3) * 4);\n\n      let i = 0, p = 0;\n      do {\n        const chr1 = input.charCodeAt(i++);\n        const chr2 = input.charCodeAt(i++);\n        const chr3 = input.charCodeAt(i++);\n\n        const enc1 = chr1 >> 2;\n        const enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);\n\n        let enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);\n        let enc4 = chr3 & 63;\n        if (isNaN(chr2)) {\n          enc3 = enc4 = 64;\n        } else if (isNaN(chr3)) {\n          enc4 = 64;\n        }\n\n        output[p++] = _keyStr.charAt(enc1);\n        output[p++] = _keyStr.charAt(enc2);\n        output[p++] = _keyStr.charAt(enc3);\n        output[p++] = _keyStr.charAt(enc4);\n      } while (i < input.length);\n\n      return output.join('');\n    }\n  };\n\n  /**\n  * @function external:jQuery.getSvgIcon\n  * @param {string} id\n  * @param {boolean} uniqueClone Whether to clone\n  * @returns {external:jQuery} The icon (optionally cloned)\n  */\n  $.getSvgIcon = function (id, uniqueClone) {\n    let icon = svgIcons[id];\n    if (uniqueClone && icon) {\n      icon = fixIDs(icon, 0, true).clone(true);\n    }\n    return icon;\n  };\n\n  /**\n  * @typedef {GenericArray} module:jQuerySVGIcons.Dimensions\n  * @property {Integer} length 2\n  * @property {Float} 0 Width\n  * @property {Float} 1 Height\n  */\n\n  /**\n  * If a Float is used, it will represent width and height. Arrays contain the width and height.\n  * @typedef {module:jQuerySVGIcons.Dimensions|Float} module:jQuerySVGIcons.Size\n  */\n\n  /**\n  * @function external:jQuery.resizeSvgIcons\n  * @param {PlainObject.<string, module:jQuerySVGIcons.Size>} obj Object with selectors as keys. The values are sizes.\n  * @returns {undefined}\n  */\n  $.resizeSvgIcons = function (obj) {\n    // FF2 and older don't detect .svg_icon, so we change it detect svg elems instead\n    const changeSel = !$('.svg_icon:first').length;\n    $.each(obj, function (sel, size) {\n      const arr = Array.isArray(size);\n      const w = arr ? size[0] : size,\n        h = arr ? size[1] : size;\n      if (changeSel) {\n        sel = sel.replace(/\\.svg_icon/g, 'svg');\n      }\n      $(sel).each(function () {\n        this.setAttribute('width', w);\n        this.setAttribute('height', h);\n        if (window.opera && window.widget) {\n          this.parentNode.style.width = w + 'px';\n          this.parentNode.style.height = h + 'px';\n        }\n      });\n    });\n  };\n  return $;\n}\n","/**\n * SpinButton control\n *\n * Adds bells and whistles to any ordinary textbox to\n * make it look and feel like a SpinButton Control.\n *\n * Supplies {@link external:jQuery.fn.SpinButton} (and also {@link external:jQuery.loadingStylesheets})\n *\n * Originally written by George Adamson, Software Unity (george.jquery@softwareunity.com) August 2006.\n * - Added min/max options\n * - Added step size option\n * - Added bigStep (page up/down) option\n *\n * Modifications made by Mark Gibson, (mgibson@designlinks.net) September 2006:\n * - Converted to jQuery plugin\n * - Allow limited or unlimited min/max values\n * - Allow custom class names, and add class to input element\n * - Removed global vars\n * - Reset (to original or through config) when invalid value entered\n * - Repeat whilst holding mouse button down (with initial pause, like keyboard repeat)\n * - Support mouse wheel in Firefox\n * - Fix double click in IE\n * - Refactored some code and renamed some vars\n *\n * Modifications by Jeff Schiller, June 2009:\n * - provide callback function for when the value changes based on the following\n *   {@link https://www.mail-archive.com/jquery-en@googlegroups.com/msg36070.html}\n *\n * Modifications by Jeff Schiller, July 2009:\n * - improve styling for widget in Opera\n * - consistent key-repeat handling cross-browser\n *\n * Modifications by Alexis Deveria, October 2009:\n * - provide \"stepfunc\" callback option to allow custom function to run when changing a value\n * - Made adjustValue(0) only run on certain keyup events, not all.\n *\n * Tested in IE6, Opera9, Firefox 1.5\n *\n * | Version | Date | Author | Notes\n * |---------|------|--------|------|\n * | v1.0 | 11 Aug 2006 | George Adamson | First release\n * | v1.1 | Aug 2006 | George Adamson | Minor enhancements\n * | v1.2 | 27 Sep 2006 | Mark Gibson | Major enhancements\n * | v1.3a | 28 Sep 2006 | George Adamson | Minor enhancements\n * | v1.4 | 18 Jun 2009 | Jeff Schiller | Added callback function\n * | v1.5 | 06 Jul 2009 | Jeff Schiller | Fixes for Opera.\n * | v1.6 | 13 Oct 2009 | Alexis Deveria | Added stepfunc function\n * | v1.7 | 21 Oct 2009 | Alexis Deveria | Minor fixes.<br />Fast-repeat for keys and live updating as you type.\n * | v1.8 | 12 Jan 2010 | Benjamin Thomas | Fixes for mouseout behavior.<br />Added smallStep\n * | v1.9 | 20 May 2018 | Brett Zamir | Avoid SVGEdit dependency via `stateObj` config;<br />convert to ES6 module |\n * @module jQuerySpinButton\n * @example\n\n  // Create group of settings to initialise spinbutton(s). (Optional)\n  const myOptions = {\n    min: 0, // Set lower limit.\n    max: 100, // Set upper limit.\n    step: 1, // Set increment size.\n    smallStep: 0.5, // Set shift-click increment size.\n    stateObj: {tool_scale: 1}, // Object to allow passing in live-updating scale\n    spinClass: mySpinBtnClass, // CSS class to style the spinbutton. (Class also specifies url of the up/down button image.)\n    upClass: mySpinUpClass, // CSS class for style when mouse over up button.\n    downClass: mySpinDnClass // CSS class for style when mouse over down button.\n  };\n\n  $(function () {\n    // Initialise INPUT element(s) as SpinButtons: (passing options if desired)\n    $(\"#myInputElement\").SpinButton(myOptions);\n  });\n */\n/**\n * @function module:jQuerySpinButton.jQuerySpinButton\n * @param {external:jQuery} $ The jQuery object to which to add the plug-in\n * @returns {external:jQuery}\n*/\nexport default function ($) {\n  if (!$.loadingStylesheets) {\n    $.loadingStylesheets = [];\n  }\n  const stylesheet = 'spinbtn/jQuery.SpinButton.css';\n  if (!$.loadingStylesheets.includes(stylesheet)) {\n    $.loadingStylesheets.push(stylesheet);\n  }\n  /**\n  * @callback module:jQuerySpinButton.StepCallback\n  * @param {external:jQuery} thisArg Value of `this`\n  */\n  /**\n  * @callback module:jQuerySpinButton.ValueCallback\n  * @param {external:jQuery} thisArg Value of `this`\n  * @param {Float} value Value that was changed\n  */\n  /**\n   * @typedef {PlainObject} module:jQuerySpinButton.SpinButtonConfig\n   * @property {Float} min Set lower limit\n   * @property {Float} max Set upper limit.\n   * @property {Float} step Set increment size.\n   * @property {module:jQuerySpinButton.StepCallback} stepfunc Custom function to run when changing a value; called with `this` of object and the value to adjust\n   * @property {module:jQuerySpinButton.ValueCallback} callback Called after value adjusted (with `this` of object)\n   * @property {Float} smallStep Set shift-click increment size.\n   * @property {PlainObject} stateObj Object to allow passing in live-updating scale\n   * @property {Float} stateObj.tool_scale\n   * @property {string} spinClass CSS class to style the spinbutton. (Class also specifies url of the up/down button image.)\n   * @property {string} upClass CSS class for style when mouse over up button.\n   * @property {string} downClass CSS class for style when mouse over down button.\n   * @property {Float} page Value to be adjusted on page up/page down\n   * @property {Float} reset Reset value when invalid value entered\n   * @property {Float} delay Millisecond delay\n   * @property {Float} interval Millisecond interval\n  */\n  /**\n  * @function external:jQuery.fn.SpinButton\n  * @param {module:jQuerySpinButton.SpinButtonConfig} cfg\n  * @returns {external:jQuery}\n  */\n  $.fn.SpinButton = function (cfg) {\n    cfg = cfg || {};\n    function coord (el, prop) {\n      const b = document.body;\n\n      let c = el[prop];\n      while ((el = el.offsetParent) && (el !== b)) {\n        if (!$.browser.msie || (el.currentStyle.position !== 'relative')) {\n          c += el[prop];\n        }\n      }\n\n      return c;\n    }\n\n    return this.each(function () {\n      this.repeating = false;\n\n      // Apply specified options or defaults:\n      // (Ought to refactor this some day to use $.extend() instead)\n      this.spinCfg = {\n        // min: cfg.min ? Number(cfg.min) : null,\n        // max: cfg.max ? Number(cfg.max) : null,\n        min: !isNaN(parseFloat(cfg.min)) ? Number(cfg.min) : null, // Fixes bug with min:0\n        max: !isNaN(parseFloat(cfg.max)) ? Number(cfg.max) : null,\n        step: cfg.step ? Number(cfg.step) : 1,\n        stepfunc: cfg.stepfunc || false,\n        page: cfg.page ? Number(cfg.page) : 10,\n        upClass: cfg.upClass || 'up',\n        downClass: cfg.downClass || 'down',\n        reset: cfg.reset || this.value,\n        delay: cfg.delay ? Number(cfg.delay) : 500,\n        interval: cfg.interval ? Number(cfg.interval) : 100,\n        _btn_width: 20,\n        _direction: null,\n        _delay: null,\n        _repeat: null,\n        callback: cfg.callback || null\n      };\n\n      // if a smallStep isn't supplied, use half the regular step\n      this.spinCfg.smallStep = cfg.smallStep || this.spinCfg.step / 2;\n\n      this.adjustValue = function (i) {\n        let v;\n        if (isNaN(this.value)) {\n          v = this.spinCfg.reset;\n        } else if (typeof this.spinCfg.stepfunc === 'function') {\n          v = this.spinCfg.stepfunc(this, i);\n        } else {\n          // weirdest JavaScript bug ever: 5.1 + 0.1 = 5.199999999\n          v = Number((Number(this.value) + Number(i)).toFixed(5));\n        }\n        if (this.spinCfg.min !== null) { v = Math.max(v, this.spinCfg.min); }\n        if (this.spinCfg.max !== null) { v = Math.min(v, this.spinCfg.max); }\n        this.value = v;\n        if (typeof this.spinCfg.callback === 'function') { this.spinCfg.callback(this); }\n      };\n\n      $(this)\n        .addClass(cfg.spinClass || 'spin-button')\n\n        .mousemove(function (e) {\n          // Determine which button mouse is over, or not (spin direction):\n          const x = e.pageX || e.x;\n          const y = e.pageY || e.y;\n          const el = e.target;\n          const scale = cfg.stateObj.tool_scale || 1;\n          const height = $(el).height() / 2;\n\n          const direction =\n            (x > coord(el, 'offsetLeft') +\n              el.offsetWidth * scale - this.spinCfg._btn_width)\n              ? ((y < coord(el, 'offsetTop') + height * scale) ? 1 : -1) : 0;\n\n          if (direction !== this.spinCfg._direction) {\n            // Style up/down buttons:\n            switch (direction) {\n            case 1: // Up arrow:\n              $(this).removeClass(this.spinCfg.downClass).addClass(this.spinCfg.upClass);\n              break;\n            case -1: // Down arrow:\n              $(this).removeClass(this.spinCfg.upClass).addClass(this.spinCfg.downClass);\n              break;\n            default: // Mouse is elsewhere in the textbox\n              $(this).removeClass(this.spinCfg.upClass).removeClass(this.spinCfg.downClass);\n            }\n\n            // Set spin direction:\n            this.spinCfg._direction = direction;\n          }\n        })\n\n        .mouseout(function () {\n          // Reset up/down buttons to their normal appearance when mouse moves away:\n          $(this).removeClass(this.spinCfg.upClass).removeClass(this.spinCfg.downClass);\n          this.spinCfg._direction = null;\n          window.clearInterval(this.spinCfg._repeat);\n          window.clearTimeout(this.spinCfg._delay);\n        })\n\n        .mousedown(function (e) {\n          if (e.button === 0 && this.spinCfg._direction !== 0) {\n            // Respond to click on one of the buttons:\n            const stepSize = e.shiftKey ? this.spinCfg.smallStep : this.spinCfg.step;\n\n            const adjust = () => {\n              this.adjustValue(this.spinCfg._direction * stepSize);\n            };\n\n            adjust();\n\n            // Initial delay before repeating adjustment\n            this.spinCfg._delay = window.setTimeout(() => {\n              adjust();\n              // Repeat adjust at regular intervals\n              this.spinCfg._repeat = window.setInterval(adjust, this.spinCfg.interval);\n            }, this.spinCfg.delay);\n          }\n        })\n\n        .mouseup(function (e) {\n          // Cancel repeating adjustment\n          window.clearInterval(this.spinCfg._repeat);\n          window.clearTimeout(this.spinCfg._delay);\n        })\n\n        .dblclick(function (e) {\n          if ($.browser.msie) {\n            this.adjustValue(this.spinCfg._direction * this.spinCfg.step);\n          }\n        })\n\n        .keydown(function (e) {\n          // Respond to up/down arrow keys.\n          switch (e.keyCode) {\n          case 38: this.adjustValue(this.spinCfg.step); break; // Up\n          case 40: this.adjustValue(-this.spinCfg.step); break; // Down\n          case 33: this.adjustValue(this.spinCfg.page); break; // PageUp\n          case 34: this.adjustValue(-this.spinCfg.page); break; // PageDown\n          }\n        })\n\n        /*\n        http://unixpapa.com/js/key.html describes the current state-of-affairs for\n        key repeat events:\n        - Safari 3.1 changed their model so that keydown is reliably repeated going forward\n        - Firefox and Opera still only repeat the keypress event, not the keydown\n        */\n        .keypress(function (e) {\n          if (this.repeating) {\n            // Respond to up/down arrow keys.\n            switch (e.keyCode) {\n            case 38: this.adjustValue(this.spinCfg.step); break; // Up\n            case 40: this.adjustValue(-this.spinCfg.step); break; // Down\n            case 33: this.adjustValue(this.spinCfg.page); break; // PageUp\n            case 34: this.adjustValue(-this.spinCfg.page); break; // PageDown\n            }\n          // we always ignore the first keypress event (use the keydown instead)\n          } else {\n            this.repeating = true;\n          }\n        })\n\n        // clear the 'repeating' flag\n        .keyup(function (e) {\n          this.repeating = false;\n          switch (e.keyCode) {\n          case 38: // Up\n          case 40: // Down\n          case 33: // PageUp\n          case 34: // PageDown\n          case 13: this.adjustValue(0); break; // Enter/Return\n          }\n        })\n\n        .bind('mousewheel', function (e) {\n          // Respond to mouse wheel in IE. (It returns up/dn motion in multiples of 120)\n          if (e.wheelDelta >= 120) {\n            this.adjustValue(this.spinCfg.step);\n          } else if (e.wheelDelta <= -120) {\n            this.adjustValue(-this.spinCfg.step);\n          }\n\n          e.preventDefault();\n        })\n\n        .change(function (e) {\n          this.adjustValue(0);\n        });\n\n      if (this.addEventListener) {\n        // Respond to mouse wheel in Firefox\n        this.addEventListener('DOMMouseScroll', function (e) {\n          if (e.detail > 0) {\n            this.adjustValue(-this.spinCfg.step);\n          } else if (e.detail < 0) {\n            this.adjustValue(this.spinCfg.step);\n          }\n\n          e.preventDefault();\n        }, false);\n      }\n    });\n  };\n  return $;\n}\n","/**\n * jQuery Context Menu Plugin\n * Cory S.N. LaViska\n * A Beautiful Site ({@link https://abeautifulsite.net/})\n * Modified by Alexis Deveria\n *\n * More info: {@link https://abeautifulsite.net/2008/09/jquery-context-menu-plugin/}\n *\n * @module jQueryContextMenu\n * @todo Update to latest version and adapt (and needs jQuery update as well): {@link https://github.com/swisnl/jQuery-contextMenu}\n * @version 1.01\n *\n * @license\n * Terms of Use\n *\n * This plugin is dual-licensed under the GNU General Public License\n *   and the MIT License and is copyright A Beautiful Site, LLC.\n *\n*/\nimport {isMac} from '../browser.js';\n\n/**\n* @callback module:jQueryContextMenu.jQueryContextMenuCallback\n* @param {string} href The `href` value after the first character (for bypassing an initial `#`)\n* @param {external:jQuery} srcElement The wrapped jQuery srcElement\n* @param {{x: Float, y: Float, docX: Float, docY: Float}} coords\n*/\n\n/**\n* @typedef {PlainObject} module:jQueryContextMenu.jQueryContextMenuConfig\n* @property {string} menu\n* @property {Float} inSpeed\n* @property {Float} outSpeed\n* @property {boolean} allowLeft\n*/\n\n/**\n* Adds {@link external:jQuery.fn.contextMenu}, {@link external:jQuery.fn.disableContextMenuItems}, {@link external:jQuery.fn.enableContextMenuItems}, {@link external:jQuery.fn.disableContextMenu}, {@link external:jQuery.fn.enableContextMenu}, {@link external:jQuery.fn.destroyContextMenu}\n* @function module:jQueryContextMenu.jQueryContextMenu\n* @param {external:jQuery} $ The jQuery object to wrap (with `contextMenu`, `disableContextMenuItems`, `enableContextMenuItems`, `disableContextMenu`, `enableContextMenu`, `destroyContextMenu`)\n* @returns {external:jQuery}\n*/\nfunction jQueryContextMenu ($) {\n  const win = $(window);\n  const doc = $(document);\n\n  $.extend($.fn, {\n    /**\n    * @memberof external:jQuery.fn\n    * @param {module:jQueryContextMenu.jQueryContextMenuConfig} o\n    * @param {module:jQueryContextMenu.jQueryContextMenuCallback} callback\n    * @returns {external:jQuery}\n    */\n    contextMenu (o, callback) {\n      // Defaults\n      if (o.menu === undefined) return false;\n      if (o.inSpeed === undefined) o.inSpeed = 150;\n      if (o.outSpeed === undefined) o.outSpeed = 75;\n      // 0 needs to be -1 for expected results (no fade)\n      if (o.inSpeed === 0) o.inSpeed = -1;\n      if (o.outSpeed === 0) o.outSpeed = -1;\n      // Loop each context menu\n      $(this).each(function () {\n        const el = $(this);\n        const offset = $(el).offset();\n\n        const menu = $('#' + o.menu);\n\n        // Add contextMenu class\n        menu.addClass('contextMenu');\n        // Simulate a true right click\n        $(this).bind('mousedown', function (e) {\n          const evt = e;\n          $(this).mouseup(function (e) {\n            const srcElement = $(this);\n            srcElement.unbind('mouseup');\n            if (evt.button === 2 || o.allowLeft ||\n              (evt.ctrlKey && isMac())) {\n              e.stopPropagation();\n              // Hide context menus that may be showing\n              $('.contextMenu').hide();\n              // Get this context menu\n\n              if (el.hasClass('disabled')) return false;\n\n              // Detect mouse position\n              let x = e.pageX, y = e.pageY;\n\n              const xOff = win.width() - menu.width(),\n                yOff = win.height() - menu.height();\n\n              if (x > xOff - 15) x = xOff - 15;\n              if (y > yOff - 30) y = yOff - 30; // 30 is needed to prevent scrollbars in FF\n\n              // Show the menu\n              doc.unbind('click');\n              menu.css({top: y, left: x}).fadeIn(o.inSpeed);\n              // Hover events\n              menu.find('A').mouseover(function () {\n                menu.find('LI.hover').removeClass('hover');\n                $(this).parent().addClass('hover');\n              }).mouseout(function () {\n                menu.find('LI.hover').removeClass('hover');\n              });\n\n              // Keyboard\n              doc.keypress(function (e) {\n                switch (e.keyCode) {\n                case 38: // up\n                  if (!menu.find('LI.hover').length) {\n                    menu.find('LI:last').addClass('hover');\n                  } else {\n                    menu.find('LI.hover').removeClass('hover').prevAll('LI:not(.disabled)').eq(0).addClass('hover');\n                    if (!menu.find('LI.hover').length) menu.find('LI:last').addClass('hover');\n                  }\n                  break;\n                case 40: // down\n                  if (!menu.find('LI.hover').length) {\n                    menu.find('LI:first').addClass('hover');\n                  } else {\n                    menu.find('LI.hover').removeClass('hover').nextAll('LI:not(.disabled)').eq(0).addClass('hover');\n                    if (!menu.find('LI.hover').length) menu.find('LI:first').addClass('hover');\n                  }\n                  break;\n                case 13: // enter\n                  menu.find('LI.hover A').trigger('click');\n                  break;\n                case 27: // esc\n                  doc.trigger('click');\n                  break;\n                }\n              });\n\n              // When items are selected\n              menu.find('A').unbind('mouseup');\n              menu.find('LI:not(.disabled) A').mouseup(function () {\n                doc.unbind('click').unbind('keypress');\n                $('.contextMenu').hide();\n                // Callback\n                if (callback) {\n                  callback($(this).attr('href').substr(1), $(srcElement), {x: x - offset.left, y: y - offset.top, docX: x, docY: y});\n                }\n                return false;\n              });\n\n              // Hide bindings\n              setTimeout(function () { // Delay for Mozilla\n                doc.click(function () {\n                  doc.unbind('click').unbind('keypress');\n         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\ No newline at end of file
diff --git a/dist/jspdf.plugin.svgToPdf.js b/dist/jspdf.plugin.svgToPdf.js
index 33134306..c2eeec59 100644
--- a/dist/jspdf.plugin.svgToPdf.js
+++ b/dist/jspdf.plugin.svgToPdf.js
@@ -1,77 +1,85 @@
 (function () {
   'use strict';
 
-  var classCallCheck = function (instance, Constructor) {
+  function _classCallCheck(instance, Constructor) {
     if (!(instance instanceof Constructor)) {
       throw new TypeError("Cannot call a class as a function");
     }
-  };
+  }
 
-  var createClass = function () {
-    function defineProperties(target, props) {
-      for (var i = 0; i < props.length; i++) {
-        var descriptor = props[i];
-        descriptor.enumerable = descriptor.enumerable || false;
-        descriptor.configurable = true;
-        if ("value" in descriptor) descriptor.writable = true;
-        Object.defineProperty(target, descriptor.key, descriptor);
-      }
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
     }
+  }
 
-    return function (Constructor, protoProps, staticProps) {
-      if (protoProps) defineProperties(Constructor.prototype, protoProps);
-      if (staticProps) defineProperties(Constructor, staticProps);
-      return Constructor;
-    };
-  }();
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    return Constructor;
+  }
 
-  var slicedToArray = function () {
-    function sliceIterator(arr, i) {
-      var _arr = [];
-      var _n = true;
-      var _d = false;
-      var _e = undefined;
+  function _slicedToArray(arr, i) {
+    return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();
+  }
 
-      try {
-        for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
-          _arr.push(_s.value);
+  function _toConsumableArray(arr) {
+    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
+  }
 
-          if (i && _arr.length === i) break;
-        }
-      } catch (err) {
-        _d = true;
-        _e = err;
-      } finally {
-        try {
-          if (!_n && _i["return"]) _i["return"]();
-        } finally {
-          if (_d) throw _e;
-        }
-      }
-
-      return _arr;
-    }
-
-    return function (arr, i) {
-      if (Array.isArray(arr)) {
-        return arr;
-      } else if (Symbol.iterator in Object(arr)) {
-        return sliceIterator(arr, i);
-      } else {
-        throw new TypeError("Invalid attempt to destructure non-iterable instance");
-      }
-    };
-  }();
-
-  var toConsumableArray = function (arr) {
+  function _arrayWithoutHoles(arr) {
     if (Array.isArray(arr)) {
-      for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+      for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
 
       return arr2;
-    } else {
-      return Array.from(arr);
     }
-  };
+  }
+
+  function _arrayWithHoles(arr) {
+    if (Array.isArray(arr)) return arr;
+  }
+
+  function _iterableToArray(iter) {
+    if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+  }
+
+  function _iterableToArrayLimit(arr, i) {
+    var _arr = [];
+    var _n = true;
+    var _d = false;
+    var _e = undefined;
+
+    try {
+      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+        _arr.push(_s.value);
+
+        if (i && _arr.length === i) break;
+      }
+    } catch (err) {
+      _d = true;
+      _e = err;
+    } finally {
+      try {
+        if (!_n && _i["return"] != null) _i["return"]();
+      } finally {
+        if (_d) throw _e;
+      }
+    }
+
+    return _arr;
+  }
+
+  function _nonIterableSpread() {
+    throw new TypeError("Invalid attempt to spread non-iterable instance");
+  }
+
+  function _nonIterableRest() {
+    throw new TypeError("Invalid attempt to destructure non-iterable instance");
+  }
 
   /**
    * For parsing color values
@@ -224,9 +232,8 @@
     whitesmoke: 'f5f5f5',
     yellow: 'ffff00',
     yellowgreen: '9acd32'
-  };
+  }; // array of color definition objects
 
-  // array of color definition objects
   var colorDefs = [{
     re: /^rgb\((\d{1,3}),\s*(\d{1,3}),\s*(\d{1,3})\)$/,
     example: ['rgb(123, 234, 45)', 'rgb(255,234,245)'],
@@ -246,136 +253,141 @@
       return [parseInt(bits[1] + bits[1], 16), parseInt(bits[2] + bits[2], 16), parseInt(bits[3] + bits[3], 16)];
     }
   }];
-
   /**
    * A class to parse color values
    */
 
-  var RGBColor = function () {
+  var RGBColor =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {string} colorString
     */
     function RGBColor(colorString) {
-      classCallCheck(this, RGBColor);
+      _classCallCheck(this, RGBColor);
 
-      this.ok = false;
+      this.ok = false; // strip any leading #
 
-      // strip any leading #
       if (colorString.charAt(0) === '#') {
         // remove # if any
         colorString = colorString.substr(1, 6);
       }
 
       colorString = colorString.replace(/ /g, '');
-      colorString = colorString.toLowerCase();
-
-      // before getting into regexps, try simple matches
+      colorString = colorString.toLowerCase(); // before getting into regexps, try simple matches
       // and overwrite the input
+
       if (colorString in simpleColors) {
         colorString = simpleColors[colorString];
-      }
-      // end of simple type-in colors
-
+      } // end of simple type-in colors
       // search through the definitions to find a match
+
+
       for (var i = 0; i < colorDefs.length; i++) {
         var re = colorDefs[i].re;
-
         var processor = colorDefs[i].process;
         var bits = re.exec(colorString);
+
         if (bits) {
           var _processor = processor(bits),
-              _processor2 = slicedToArray(_processor, 3),
+              _processor2 = _slicedToArray(_processor, 3),
               r = _processor2[0],
               g = _processor2[1],
               b = _processor2[2];
 
-          Object.assign(this, { r: r, g: g, b: b });
+          Object.assign(this, {
+            r: r,
+            g: g,
+            b: b
+          });
           this.ok = true;
         }
-      }
+      } // validate/cleanup values
+
 
-      // validate/cleanup values
       this.r = this.r < 0 || isNaN(this.r) ? 0 : this.r > 255 ? 255 : this.r;
       this.g = this.g < 0 || isNaN(this.g) ? 0 : this.g > 255 ? 255 : this.g;
       this.b = this.b < 0 || isNaN(this.b) ? 0 : this.b > 255 ? 255 : this.b;
-    }
+    } // some getters
 
-    // some getters
     /**
     * @returns {string}
     */
 
 
-    createClass(RGBColor, [{
-      key: 'toRGB',
+    _createClass(RGBColor, [{
+      key: "toRGB",
       value: function toRGB() {
         return 'rgb(' + this.r + ', ' + this.g + ', ' + this.b + ')';
       }
-
       /**
       * @returns {string}
       */
 
     }, {
-      key: 'toHex',
+      key: "toHex",
       value: function toHex() {
         var r = this.r.toString(16);
         var g = this.g.toString(16);
         var b = this.b.toString(16);
+
         if (r.length === 1) {
           r = '0' + r;
         }
+
         if (g.length === 1) {
           g = '0' + g;
         }
+
         if (b.length === 1) {
           b = '0' + b;
         }
+
         return '#' + r + g + b;
       }
-
       /**
       * help
       * @returns {HTMLUListElement}
       */
 
     }, {
-      key: 'getHelpXML',
+      key: "getHelpXML",
       value: function getHelpXML() {
-        var examples = [];
-        // add regexps
+        var examples = []; // add regexps
+
         for (var i = 0; i < colorDefs.length; i++) {
           var example = colorDefs[i].example;
 
           for (var j = 0; j < example.length; j++) {
             examples[examples.length] = example[j];
           }
-        }
-        // add type-in colors
-        examples.push.apply(examples, toConsumableArray(Object.keys(simpleColors)));
+        } // add type-in colors
 
+
+        examples.push.apply(examples, _toConsumableArray(Object.keys(simpleColors)));
         var xml = document.createElement('ul');
         xml.setAttribute('id', 'rgbcolor-examples');
+
         for (var _i = 0; _i < examples.length; _i++) {
           try {
             var listItem = document.createElement('li');
             var listColor = new RGBColor(examples[_i]);
             var exampleDiv = document.createElement('div');
-            exampleDiv.style.cssText = 'margin: 3px;\nborder: 1px solid black;\nbackground: ' + listColor.toHex() + ';\ncolor: ' + listColor.toHex() + ';';
+            exampleDiv.style.cssText = "margin: 3px;\nborder: 1px solid black;\nbackground: ".concat(listColor.toHex(), ";\ncolor: ").concat(listColor.toHex(), ";");
             exampleDiv.append('test');
-            var listItemValue = ' ' + examples[_i] + ' -> ' + listColor.toRGB() + ' -> ' + listColor.toHex();
+            var listItemValue = " ".concat(examples[_i], " -> ").concat(listColor.toRGB(), " -> ").concat(listColor.toHex());
             listItem.append(exampleDiv, listItemValue);
             xml.append(listItem);
           } catch (e) {}
         }
+
         return xml;
       }
     }]);
+
     return RGBColor;
   }();
 
-  /* globals jsPDF */
-
   var jsPDFAPI = jsPDF.API;
   var pdfSvgAttr = {
     // allowed attributes. all others are removed from the preview.
@@ -405,29 +417,32 @@
         toRemove.push(a.name);
       }
     });
-
     toRemove.forEach(function (a) {
       node.removeAttribute(a.name);
     });
   };
 
   var numRgx = /[+-]?(?:\d+\.\d*|\d+|\.\d+)(?:[eE][+-]?\d+)?/g;
+
   var getLinesOptionsOfPoly = function getLinesOptionsOfPoly(node) {
     var nums = node.getAttribute('points');
     nums = nums && nums.match(numRgx) || [];
+
     if (nums && nums.length) {
       nums = nums.map(Number);
+
       if (nums.length % 2) {
         nums.length--;
       }
     }
+
     if (nums.length < 4) {
       console.log('invalid points attribute:', node);
       return;
     }
 
     var _nums = nums,
-        _nums2 = slicedToArray(_nums, 2),
+        _nums2 = _slicedToArray(_nums, 2),
         x = _nums2[0],
         y = _nums2[1],
         lines = [];
@@ -435,7 +450,12 @@
     for (var i = 2; i < nums.length; i += 2) {
       lines.push([nums[i] - nums[i - 2], nums[i + 1] - nums[i - 1]]);
     }
-    return { x: x, y: y, lines: lines };
+
+    return {
+      x: x,
+      y: y,
+      lines: lines
+    };
   };
 
   var svgElementToPdf = function svgElementToPdf(element, pdf, options) {
@@ -448,11 +468,14 @@
       // console.log('passing: ', node);
       // let hasStrokeColor = false;
       var hasFillColor = false;
-      var fillRGB = void 0;
+      var fillRGB;
+
       if (nodeIs(node, ['g', 'line', 'rect', 'ellipse', 'circle', 'polygon', 'polyline', 'text'])) {
         var fillColor = node.getAttribute('fill');
+
         if (attributeIsNotEmpty(fillColor)) {
           fillRGB = new RGBColor(fillColor);
+
           if (fillRGB.ok) {
             hasFillColor = true;
             colorMode = 'F';
@@ -461,19 +484,25 @@
           }
         }
       }
+
       if (nodeIs(node, ['g', 'line', 'rect', 'ellipse', 'circle', 'polygon', 'polyline'])) {
         if (hasFillColor) {
           pdf.setFillColor(fillRGB.r, fillRGB.g, fillRGB.b);
         }
+
         if (attributeIsNotEmpty(node, 'stroke-width')) {
           pdf.setLineWidth(k * parseInt(node.getAttribute('stroke-width'), 10));
         }
+
         var strokeColor = node.getAttribute('stroke');
+
         if (attributeIsNotEmpty(strokeColor)) {
           var strokeRGB = new RGBColor(strokeColor);
+
           if (strokeRGB.ok) {
             // hasStrokeColor = true;
             pdf.setDrawColor(strokeRGB.r, strokeRGB.g, strokeRGB.b);
+
             if (colorMode === 'F') {
               colorMode = 'FD';
             } else {
@@ -484,7 +513,9 @@
           }
         }
       }
+
       var tag = node.tagName.toLowerCase();
+
       switch (tag) {
         case 'svg':
         case 'a':
@@ -492,48 +523,63 @@
           svgElementToPdf(node, pdf, options);
           removeAttributes(node, pdfSvgAttr.g);
           break;
+
         case 'line':
           pdf.line(k * parseInt(node.getAttribute('x1'), 10), k * parseInt(node.getAttribute('y1'), 10), k * parseInt(node.getAttribute('x2'), 10), k * parseInt(node.getAttribute('y2'), 10));
           removeAttributes(node, pdfSvgAttr.line);
           break;
+
         case 'rect':
           pdf.rect(k * parseInt(node.getAttribute('x'), 10), k * parseInt(node.getAttribute('y'), 10), k * parseInt(node.getAttribute('width'), 10), k * parseInt(node.getAttribute('height'), 10), colorMode);
           removeAttributes(node, pdfSvgAttr.rect);
           break;
+
         case 'ellipse':
           pdf.ellipse(k * parseInt(node.getAttribute('cx'), 10), k * parseInt(node.getAttribute('cy'), 10), k * parseInt(node.getAttribute('rx'), 10), k * parseInt(node.getAttribute('ry'), 10), colorMode);
           removeAttributes(node, pdfSvgAttr.ellipse);
           break;
+
         case 'circle':
           pdf.circle(k * parseInt(node.getAttribute('cx'), 10), k * parseInt(node.getAttribute('cy'), 10), k * parseInt(node.getAttribute('r'), 10), colorMode);
           removeAttributes(node, pdfSvgAttr.circle);
           break;
+
         case 'polygon':
         case 'polyline':
           var linesOptions = getLinesOptionsOfPoly(node);
+
           if (linesOptions) {
             pdf.lines(linesOptions.lines, k * linesOptions.x, k * linesOptions.y, [k, k], colorMode, tag === 'polygon' // polygon is closed, polyline is not closed
             );
           }
+
           removeAttributes(node, pdfSvgAttr.polygon);
           break;
         // TODO: path
+
         case 'text':
           if (node.hasAttribute('font-family')) {
             switch ((node.getAttribute('font-family') || '').toLowerCase()) {
               case 'serif':
-                pdf.setFont('times');break;
+                pdf.setFont('times');
+                break;
+
               case 'monospace':
-                pdf.setFont('courier');break;
+                pdf.setFont('courier');
+                break;
+
               default:
                 node.setAttribute('font-family', 'sans-serif');
                 pdf.setFont('helvetica');
             }
           }
+
           if (hasFillColor) {
             pdf.setTextColor(fillRGB.r, fillRGB.g, fillRGB.b);
           }
+
           var fontType = '';
+
           if (node.hasAttribute('font-weight')) {
             if (node.getAttribute('font-weight') === 'bold') {
               fontType = 'bold';
@@ -541,6 +587,7 @@
               node.removeAttribute('font-weight');
             }
           }
+
           if (node.hasAttribute('font-style')) {
             if (node.getAttribute('font-style') === 'italic') {
               fontType += 'italic';
@@ -548,11 +595,13 @@
               node.removeAttribute('font-style');
             }
           }
+
           pdf.setFontType(fontType);
           var pdfFontSize = node.hasAttribute('font-size') ? parseInt(node.getAttribute('font-size'), 10) : 16;
 
           var getWidth = function getWidth(node) {
-            var box = void 0;
+            var box;
+
             try {
               box = node.getBBox(); // Firefox on MacOS will raise error here
             } catch (err) {
@@ -561,43 +610,60 @@
               var svg = node.ownerSVGElement.cloneNode(false);
               svg.appendChild(nodeCopy);
               document.body.appendChild(svg);
+
               try {
                 box = nodeCopy.getBBox();
               } catch (err) {
-                box = { width: 0 };
+                box = {
+                  width: 0
+                };
               }
+
               document.body.removeChild(svg);
             }
+
             return box.width;
-          };
-          // FIXME: use more accurate positioning!!
-          var x = void 0,
-              y = void 0,
+          }; // FIXME: use more accurate positioning!!
+
+
+          var x,
+              y,
               xOffset = 0;
+
           if (node.hasAttribute('text-anchor')) {
             switch (node.getAttribute('text-anchor')) {
               case 'end':
-                xOffset = getWidth(node);break;
+                xOffset = getWidth(node);
+                break;
+
               case 'middle':
-                xOffset = getWidth(node) / 2;break;
+                xOffset = getWidth(node) / 2;
+                break;
+
               case 'start':
                 break;
+
               case 'default':
-                node.setAttribute('text-anchor', 'start');break;
+                node.setAttribute('text-anchor', 'start');
+                break;
             }
+
             x = parseInt(node.getAttribute('x'), 10) - xOffset;
             y = parseInt(node.getAttribute('y'), 10);
-          }
-          // console.log('fontSize:', pdfFontSize, 'text:', node.textContent);
+          } // console.log('fontSize:', pdfFontSize, 'text:', node.textContent);
+
+
           pdf.setFontSize(pdfFontSize).text(k * x, k * y, node.textContent);
           removeAttributes(node, pdfSvgAttr.text);
           break;
         // TODO: image
+
         default:
           if (remove) {
             console.log("can't translate to pdf:", node);
             node.remove();
           }
+
       }
     });
     return pdf;
@@ -611,6 +677,7 @@
     if (typeof element === 'string') {
       element = new DOMParser().parseFromString(element, 'text/xml').documentElement;
     }
+
     svgElementToPdf(element, this, options);
     return this;
   };
diff --git a/dist/redirect-on-lacking-support.js b/dist/redirect-on-lacking-support.js
index e1936514..f748618c 100644
--- a/dist/redirect-on-lacking-support.js
+++ b/dist/redirect-on-lacking-support.js
@@ -1,53 +1,74 @@
 (function () {
   'use strict';
 
-  var classCallCheck = function (instance, Constructor) {
+  function _classCallCheck(instance, Constructor) {
     if (!(instance instanceof Constructor)) {
       throw new TypeError("Cannot call a class as a function");
     }
-  };
+  }
 
-  var createClass = function () {
-    function defineProperties(target, props) {
-      for (var i = 0; i < props.length; i++) {
-        var descriptor = props[i];
-        descriptor.enumerable = descriptor.enumerable || false;
-        descriptor.configurable = true;
-        if ("value" in descriptor) descriptor.writable = true;
-        Object.defineProperty(target, descriptor.key, descriptor);
-      }
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
     }
+  }
 
-    return function (Constructor, protoProps, staticProps) {
-      if (protoProps) defineProperties(Constructor.prototype, protoProps);
-      if (staticProps) defineProperties(Constructor, staticProps);
-      return Constructor;
-    };
-  }();
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    return Constructor;
+  }
 
-  var inherits = function (subClass, superClass) {
+  function _inherits(subClass, superClass) {
     if (typeof superClass !== "function" && superClass !== null) {
-      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
+      throw new TypeError("Super expression must either be null or a function");
     }
 
     subClass.prototype = Object.create(superClass && superClass.prototype, {
       constructor: {
         value: subClass,
-        enumerable: false,
         writable: true,
         configurable: true
       }
     });
-    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
-  };
+    if (superClass) _setPrototypeOf(subClass, superClass);
+  }
 
-  var possibleConstructorReturn = function (self, call) {
-    if (!self) {
+  function _getPrototypeOf(o) {
+    _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
+      return o.__proto__ || Object.getPrototypeOf(o);
+    };
+    return _getPrototypeOf(o);
+  }
+
+  function _setPrototypeOf(o, p) {
+    _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
+      o.__proto__ = p;
+      return o;
+    };
+
+    return _setPrototypeOf(o, p);
+  }
+
+  function _assertThisInitialized(self) {
+    if (self === void 0) {
       throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
     }
 
-    return call && (typeof call === "object" || typeof call === "function") ? call : self;
-  };
+    return self;
+  }
+
+  function _possibleConstructorReturn(self, call) {
+    if (call && (typeof call === "object" || typeof call === "function")) {
+      return call;
+    }
+
+    return _assertThisInitialized(self);
+  }
 
   /* globals SVGPathSeg, SVGPathSegMovetoRel, SVGPathSegMovetoAbs,
       SVGPathSegMovetoRel, SVGPathSegLinetoRel, SVGPathSegLinetoAbs,
@@ -58,6 +79,7 @@
       SVGPathSegCurvetoCubicSmoothAbs, SVGPathSegCurvetoQuadraticRel,
       SVGPathSegCurvetoQuadraticAbs, SVGPathSegCurvetoQuadraticSmoothRel,
       SVGPathSegCurvetoQuadraticSmoothAbs, SVGPathSegArcRel, SVGPathSegArcAbs */
+
   /**
   * SVGPathSeg API polyfill
   * https://github.com/progers/pathseg
@@ -70,30 +92,31 @@
   (function () {
     if (!('SVGPathSeg' in window)) {
       // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSeg
-      var _SVGPathSeg = function () {
+      var _SVGPathSeg =
+      /*#__PURE__*/
+      function () {
         function _SVGPathSeg(type, typeAsLetter, owningPathSegList) {
-          classCallCheck(this, _SVGPathSeg);
+          _classCallCheck(this, _SVGPathSeg);
 
           this.pathSegType = type;
           this.pathSegTypeAsLetter = typeAsLetter;
           this._owningPathSegList = owningPathSegList;
-        }
-        // Notify owning PathSegList on any changes so they can be synchronized back to the path element.
+        } // Notify owning PathSegList on any changes so they can be synchronized back to the path element.
 
 
-        createClass(_SVGPathSeg, [{
-          key: '_segmentChanged',
+        _createClass(_SVGPathSeg, [{
+          key: "_segmentChanged",
           value: function _segmentChanged() {
             if (this._owningPathSegList) {
               this._owningPathSegList.segmentChanged(this);
             }
           }
         }]);
+
         return _SVGPathSeg;
       }();
 
       _SVGPathSeg.prototype.classname = 'SVGPathSeg';
-
       _SVGPathSeg.PATHSEG_UNKNOWN = 0;
       _SVGPathSeg.PATHSEG_CLOSEPATH = 1;
       _SVGPathSeg.PATHSEG_MOVETO_ABS = 2;
@@ -115,247 +138,401 @@
       _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = 18;
       _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = 19;
 
-      var _SVGPathSegClosePath = function (_SVGPathSeg2) {
-        inherits(_SVGPathSegClosePath, _SVGPathSeg2);
+      var _SVGPathSegClosePath =
+      /*#__PURE__*/
+      function (_SVGPathSeg2) {
+        _inherits(_SVGPathSegClosePath, _SVGPathSeg2);
 
         function _SVGPathSegClosePath(owningPathSegList) {
-          classCallCheck(this, _SVGPathSegClosePath);
-          return possibleConstructorReturn(this, (_SVGPathSegClosePath.__proto__ || Object.getPrototypeOf(_SVGPathSegClosePath)).call(this, _SVGPathSeg.PATHSEG_CLOSEPATH, 'z', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegClosePath);
+
+          return _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegClosePath).call(this, _SVGPathSeg.PATHSEG_CLOSEPATH, 'z', owningPathSegList));
         }
 
-        createClass(_SVGPathSegClosePath, [{
-          key: 'toString',
+        _createClass(_SVGPathSegClosePath, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegClosePath]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegClosePath(undefined);
           }
         }]);
+
         return _SVGPathSegClosePath;
       }(_SVGPathSeg);
 
-      var _SVGPathSegMovetoAbs = function (_SVGPathSeg3) {
-        inherits(_SVGPathSegMovetoAbs, _SVGPathSeg3);
+      var _SVGPathSegMovetoAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg3) {
+        _inherits(_SVGPathSegMovetoAbs, _SVGPathSeg3);
 
         function _SVGPathSegMovetoAbs(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegMovetoAbs);
+          var _this;
 
-          var _this2 = possibleConstructorReturn(this, (_SVGPathSegMovetoAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegMovetoAbs)).call(this, _SVGPathSeg.PATHSEG_MOVETO_ABS, 'M', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegMovetoAbs);
 
-          _this2._x = x;
-          _this2._y = y;
-          return _this2;
+          _this = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegMovetoAbs).call(this, _SVGPathSeg.PATHSEG_MOVETO_ABS, 'M', owningPathSegList));
+          _this._x = x;
+          _this._y = y;
+          return _this;
         }
 
-        createClass(_SVGPathSegMovetoAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegMovetoAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegMovetoAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegMovetoAbs(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegMovetoAbs;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegMovetoAbs.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
           enumerable: true
         },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
           enumerable: true
         }
       });
 
-      var _SVGPathSegMovetoRel = function (_SVGPathSeg4) {
-        inherits(_SVGPathSegMovetoRel, _SVGPathSeg4);
+      var _SVGPathSegMovetoRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg4) {
+        _inherits(_SVGPathSegMovetoRel, _SVGPathSeg4);
 
         function _SVGPathSegMovetoRel(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegMovetoRel);
+          var _this2;
 
-          var _this3 = possibleConstructorReturn(this, (_SVGPathSegMovetoRel.__proto__ || Object.getPrototypeOf(_SVGPathSegMovetoRel)).call(this, _SVGPathSeg.PATHSEG_MOVETO_REL, 'm', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegMovetoRel);
 
-          _this3._x = x;
-          _this3._y = y;
-          return _this3;
+          _this2 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegMovetoRel).call(this, _SVGPathSeg.PATHSEG_MOVETO_REL, 'm', owningPathSegList));
+          _this2._x = x;
+          _this2._y = y;
+          return _this2;
         }
 
-        createClass(_SVGPathSegMovetoRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegMovetoRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegMovetoRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegMovetoRel(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegMovetoRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegMovetoRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegLinetoAbs = function (_SVGPathSeg5) {
-        inherits(_SVGPathSegLinetoAbs, _SVGPathSeg5);
+      var _SVGPathSegLinetoAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg5) {
+        _inherits(_SVGPathSegLinetoAbs, _SVGPathSeg5);
 
         function _SVGPathSegLinetoAbs(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegLinetoAbs);
+          var _this3;
 
-          var _this4 = possibleConstructorReturn(this, (_SVGPathSegLinetoAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoAbs)).call(this, _SVGPathSeg.PATHSEG_LINETO_ABS, 'L', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoAbs);
 
-          _this4._x = x;
-          _this4._y = y;
-          return _this4;
+          _this3 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoAbs).call(this, _SVGPathSeg.PATHSEG_LINETO_ABS, 'L', owningPathSegList));
+          _this3._x = x;
+          _this3._y = y;
+          return _this3;
         }
 
-        createClass(_SVGPathSegLinetoAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoAbs(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegLinetoAbs;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegLinetoAbs.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegLinetoRel = function (_SVGPathSeg6) {
-        inherits(_SVGPathSegLinetoRel, _SVGPathSeg6);
+      var _SVGPathSegLinetoRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg6) {
+        _inherits(_SVGPathSegLinetoRel, _SVGPathSeg6);
 
         function _SVGPathSegLinetoRel(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegLinetoRel);
+          var _this4;
 
-          var _this5 = possibleConstructorReturn(this, (_SVGPathSegLinetoRel.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoRel)).call(this, _SVGPathSeg.PATHSEG_LINETO_REL, 'l', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoRel);
 
-          _this5._x = x;
-          _this5._y = y;
-          return _this5;
+          _this4 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoRel).call(this, _SVGPathSeg.PATHSEG_LINETO_REL, 'l', owningPathSegList));
+          _this4._x = x;
+          _this4._y = y;
+          return _this4;
         }
 
-        createClass(_SVGPathSegLinetoRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoRel(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegLinetoRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegLinetoRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegCurvetoCubicAbs = function (_SVGPathSeg7) {
-        inherits(_SVGPathSegCurvetoCubicAbs, _SVGPathSeg7);
+      var _SVGPathSegCurvetoCubicAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg7) {
+        _inherits(_SVGPathSegCurvetoCubicAbs, _SVGPathSeg7);
 
         function _SVGPathSegCurvetoCubicAbs(owningPathSegList, x, y, x1, y1, x2, y2) {
-          classCallCheck(this, _SVGPathSegCurvetoCubicAbs);
+          var _this5;
 
-          var _this6 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, 'C', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoCubicAbs);
 
+          _this5 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, 'C', owningPathSegList));
+          _this5._x = x;
+          _this5._y = y;
+          _this5._x1 = x1;
+          _this5._y1 = y1;
+          _this5._x2 = x2;
+          _this5._y2 = y2;
+          return _this5;
+        }
+
+        _createClass(_SVGPathSegCurvetoCubicAbs, [{
+          key: "toString",
+          value: function toString() {
+            return '[object SVGPathSegCurvetoCubicAbs]';
+          }
+        }, {
+          key: "_asPathString",
+          value: function _asPathString() {
+            return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
+          }
+        }, {
+          key: "clone",
+          value: function clone() {
+            return new _SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
+          }
+        }]);
+
+        return _SVGPathSegCurvetoCubicAbs;
+      }(_SVGPathSeg);
+
+      Object.defineProperties(_SVGPathSegCurvetoCubicAbs.prototype, {
+        x: {
+          get: function get() {
+            return this._x;
+          },
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y: {
+          get: function get() {
+            return this._y;
+          },
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        x1: {
+          get: function get() {
+            return this._x1;
+          },
+          set: function set(x1) {
+            this._x1 = x1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y1: {
+          get: function get() {
+            return this._y1;
+          },
+          set: function set(y1) {
+            this._y1 = y1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        x2: {
+          get: function get() {
+            return this._x2;
+          },
+          set: function set(x2) {
+            this._x2 = x2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y2: {
+          get: function get() {
+            return this._y2;
+          },
+          set: function set(y2) {
+            this._y2 = y2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      });
+
+      var _SVGPathSegCurvetoCubicRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg8) {
+        _inherits(_SVGPathSegCurvetoCubicRel, _SVGPathSeg8);
+
+        function _SVGPathSegCurvetoCubicRel(owningPathSegList, x, y, x1, y1, x2, y2) {
+          var _this6;
+
+          _classCallCheck(this, _SVGPathSegCurvetoCubicRel);
+
+          _this6 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, 'c', owningPathSegList));
           _this6._x = x;
           _this6._y = y;
           _this6._x1 = x1;
@@ -365,171 +542,191 @@
           return _this6;
         }
 
-        createClass(_SVGPathSegCurvetoCubicAbs, [{
-          key: 'toString',
-          value: function toString() {
-            return '[object SVGPathSegCurvetoCubicAbs]';
-          }
-        }, {
-          key: '_asPathString',
-          value: function _asPathString() {
-            return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
-          }
-        }, {
-          key: 'clone',
-          value: function clone() {
-            return new _SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
-          }
-        }]);
-        return _SVGPathSegCurvetoCubicAbs;
-      }(_SVGPathSeg);
-
-      Object.defineProperties(_SVGPathSegCurvetoCubicAbs.prototype, {
-        x: {
-          get: function get$$1() {
-            return this._x;
-          },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
-          },
-          enumerable: true },
-        y: {
-          get: function get$$1() {
-            return this._y;
-          },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true },
-        x1: {
-          get: function get$$1() {
-            return this._x1;
-          },
-          set: function set$$1(x1) {
-            this._x1 = x1;this._segmentChanged();
-          },
-          enumerable: true },
-        y1: {
-          get: function get$$1() {
-            return this._y1;
-          },
-          set: function set$$1(y1) {
-            this._y1 = y1;this._segmentChanged();
-          },
-          enumerable: true },
-        x2: {
-          get: function get$$1() {
-            return this._x2;
-          },
-          set: function set$$1(x2) {
-            this._x2 = x2;this._segmentChanged();
-          },
-          enumerable: true },
-        y2: {
-          get: function get$$1() {
-            return this._y2;
-          },
-          set: function set$$1(y2) {
-            this._y2 = y2;this._segmentChanged();
-          },
-          enumerable: true }
-      });
-
-      var _SVGPathSegCurvetoCubicRel = function (_SVGPathSeg8) {
-        inherits(_SVGPathSegCurvetoCubicRel, _SVGPathSeg8);
-
-        function _SVGPathSegCurvetoCubicRel(owningPathSegList, x, y, x1, y1, x2, y2) {
-          classCallCheck(this, _SVGPathSegCurvetoCubicRel);
-
-          var _this7 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, 'c', owningPathSegList));
-
-          _this7._x = x;
-          _this7._y = y;
-          _this7._x1 = x1;
-          _this7._y1 = y1;
-          _this7._x2 = x2;
-          _this7._y2 = y2;
-          return _this7;
-        }
-
-        createClass(_SVGPathSegCurvetoCubicRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoCubicRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoCubicRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoCubicRel(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
           }
         }]);
+
         return _SVGPathSegCurvetoCubicRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoCubicRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         x1: {
-          get: function get$$1() {
+          get: function get() {
             return this._x1;
           },
-          set: function set$$1(x1) {
-            this._x1 = x1;this._segmentChanged();
+          set: function set(x1) {
+            this._x1 = x1;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y1: {
-          get: function get$$1() {
+          get: function get() {
             return this._y1;
           },
-          set: function set$$1(y1) {
-            this._y1 = y1;this._segmentChanged();
+          set: function set(y1) {
+            this._y1 = y1;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         x2: {
-          get: function get$$1() {
+          get: function get() {
             return this._x2;
           },
-          set: function set$$1(x2) {
-            this._x2 = x2;this._segmentChanged();
+          set: function set(x2) {
+            this._x2 = x2;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y2: {
-          get: function get$$1() {
+          get: function get() {
             return this._y2;
           },
-          set: function set$$1(y2) {
-            this._y2 = y2;this._segmentChanged();
+          set: function set(y2) {
+            this._y2 = y2;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegCurvetoQuadraticAbs = function (_SVGPathSeg9) {
-        inherits(_SVGPathSegCurvetoQuadraticAbs, _SVGPathSeg9);
+      var _SVGPathSegCurvetoQuadraticAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg9) {
+        _inherits(_SVGPathSegCurvetoQuadraticAbs, _SVGPathSeg9);
 
         function _SVGPathSegCurvetoQuadraticAbs(owningPathSegList, x, y, x1, y1) {
-          classCallCheck(this, _SVGPathSegCurvetoQuadraticAbs);
+          var _this7;
 
-          var _this8 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, 'Q', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoQuadraticAbs);
 
+          _this7 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, 'Q', owningPathSegList));
+          _this7._x = x;
+          _this7._y = y;
+          _this7._x1 = x1;
+          _this7._y1 = y1;
+          return _this7;
+        }
+
+        _createClass(_SVGPathSegCurvetoQuadraticAbs, [{
+          key: "toString",
+          value: function toString() {
+            return '[object SVGPathSegCurvetoQuadraticAbs]';
+          }
+        }, {
+          key: "_asPathString",
+          value: function _asPathString() {
+            return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y;
+          }
+        }, {
+          key: "clone",
+          value: function clone() {
+            return new _SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1);
+          }
+        }]);
+
+        return _SVGPathSegCurvetoQuadraticAbs;
+      }(_SVGPathSeg);
+
+      Object.defineProperties(_SVGPathSegCurvetoQuadraticAbs.prototype, {
+        x: {
+          get: function get() {
+            return this._x;
+          },
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y: {
+          get: function get() {
+            return this._y;
+          },
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        x1: {
+          get: function get() {
+            return this._x1;
+          },
+          set: function set(x1) {
+            this._x1 = x1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y1: {
+          get: function get() {
+            return this._y1;
+          },
+          set: function set(y1) {
+            this._y1 = y1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      });
+
+      var _SVGPathSegCurvetoQuadraticRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg10) {
+        _inherits(_SVGPathSegCurvetoQuadraticRel, _SVGPathSeg10);
+
+        function _SVGPathSegCurvetoQuadraticRel(owningPathSegList, x, y, x1, y1) {
+          var _this8;
+
+          _classCallCheck(this, _SVGPathSegCurvetoQuadraticRel);
+
+          _this8 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, 'q', owningPathSegList));
           _this8._x = x;
           _this8._y = y;
           _this8._x1 = x1;
@@ -537,137 +734,205 @@
           return _this8;
         }
 
-        createClass(_SVGPathSegCurvetoQuadraticAbs, [{
-          key: 'toString',
-          value: function toString() {
-            return '[object SVGPathSegCurvetoQuadraticAbs]';
-          }
-        }, {
-          key: '_asPathString',
-          value: function _asPathString() {
-            return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y;
-          }
-        }, {
-          key: 'clone',
-          value: function clone() {
-            return new _SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1);
-          }
-        }]);
-        return _SVGPathSegCurvetoQuadraticAbs;
-      }(_SVGPathSeg);
-
-      Object.defineProperties(_SVGPathSegCurvetoQuadraticAbs.prototype, {
-        x: {
-          get: function get$$1() {
-            return this._x;
-          },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
-          },
-          enumerable: true },
-        y: {
-          get: function get$$1() {
-            return this._y;
-          },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true },
-        x1: {
-          get: function get$$1() {
-            return this._x1;
-          },
-          set: function set$$1(x1) {
-            this._x1 = x1;this._segmentChanged();
-          },
-          enumerable: true },
-        y1: {
-          get: function get$$1() {
-            return this._y1;
-          },
-          set: function set$$1(y1) {
-            this._y1 = y1;this._segmentChanged();
-          },
-          enumerable: true }
-      });
-
-      var _SVGPathSegCurvetoQuadraticRel = function (_SVGPathSeg10) {
-        inherits(_SVGPathSegCurvetoQuadraticRel, _SVGPathSeg10);
-
-        function _SVGPathSegCurvetoQuadraticRel(owningPathSegList, x, y, x1, y1) {
-          classCallCheck(this, _SVGPathSegCurvetoQuadraticRel);
-
-          var _this9 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, 'q', owningPathSegList));
-
-          _this9._x = x;
-          _this9._y = y;
-          _this9._x1 = x1;
-          _this9._y1 = y1;
-          return _this9;
-        }
-
-        createClass(_SVGPathSegCurvetoQuadraticRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoQuadraticRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoQuadraticRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoQuadraticRel(undefined, this._x, this._y, this._x1, this._y1);
           }
         }]);
+
         return _SVGPathSegCurvetoQuadraticRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoQuadraticRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         x1: {
-          get: function get$$1() {
+          get: function get() {
             return this._x1;
           },
-          set: function set$$1(x1) {
-            this._x1 = x1;this._segmentChanged();
+          set: function set(x1) {
+            this._x1 = x1;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y1: {
-          get: function get$$1() {
+          get: function get() {
             return this._y1;
           },
-          set: function set$$1(y1) {
-            this._y1 = y1;this._segmentChanged();
+          set: function set(y1) {
+            this._y1 = y1;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegArcAbs = function (_SVGPathSeg11) {
-        inherits(_SVGPathSegArcAbs, _SVGPathSeg11);
+      var _SVGPathSegArcAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg11) {
+        _inherits(_SVGPathSegArcAbs, _SVGPathSeg11);
 
         function _SVGPathSegArcAbs(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
-          classCallCheck(this, _SVGPathSegArcAbs);
+          var _this9;
 
-          var _this10 = possibleConstructorReturn(this, (_SVGPathSegArcAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegArcAbs)).call(this, _SVGPathSeg.PATHSEG_ARC_ABS, 'A', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegArcAbs);
 
+          _this9 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegArcAbs).call(this, _SVGPathSeg.PATHSEG_ARC_ABS, 'A', owningPathSegList));
+          _this9._x = x;
+          _this9._y = y;
+          _this9._r1 = r1;
+          _this9._r2 = r2;
+          _this9._angle = angle;
+          _this9._largeArcFlag = largeArcFlag;
+          _this9._sweepFlag = sweepFlag;
+          return _this9;
+        }
+
+        _createClass(_SVGPathSegArcAbs, [{
+          key: "toString",
+          value: function toString() {
+            return '[object SVGPathSegArcAbs]';
+          }
+        }, {
+          key: "_asPathString",
+          value: function _asPathString() {
+            return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y;
+          }
+        }, {
+          key: "clone",
+          value: function clone() {
+            return new _SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
+          }
+        }]);
+
+        return _SVGPathSegArcAbs;
+      }(_SVGPathSeg);
+
+      Object.defineProperties(_SVGPathSegArcAbs.prototype, {
+        x: {
+          get: function get() {
+            return this._x;
+          },
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y: {
+          get: function get() {
+            return this._y;
+          },
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        r1: {
+          get: function get() {
+            return this._r1;
+          },
+          set: function set(r1) {
+            this._r1 = r1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        r2: {
+          get: function get() {
+            return this._r2;
+          },
+          set: function set(r2) {
+            this._r2 = r2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        angle: {
+          get: function get() {
+            return this._angle;
+          },
+          set: function set(angle) {
+            this._angle = angle;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        largeArcFlag: {
+          get: function get() {
+            return this._largeArcFlag;
+          },
+          set: function set(largeArcFlag) {
+            this._largeArcFlag = largeArcFlag;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        sweepFlag: {
+          get: function get() {
+            return this._sweepFlag;
+          },
+          set: function set(sweepFlag) {
+            this._sweepFlag = sweepFlag;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      });
+
+      var _SVGPathSegArcRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg12) {
+        _inherits(_SVGPathSegArcRel, _SVGPathSeg12);
+
+        function _SVGPathSegArcRel(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
+          var _this10;
+
+          _classCallCheck(this, _SVGPathSegArcRel);
+
+          _this10 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegArcRel).call(this, _SVGPathSeg.PATHSEG_ARC_REL, 'a', owningPathSegList));
           _this10._x = x;
           _this10._y = y;
           _this10._r1 = r1;
@@ -678,348 +943,390 @@
           return _this10;
         }
 
-        createClass(_SVGPathSegArcAbs, [{
-          key: 'toString',
-          value: function toString() {
-            return '[object SVGPathSegArcAbs]';
-          }
-        }, {
-          key: '_asPathString',
-          value: function _asPathString() {
-            return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y;
-          }
-        }, {
-          key: 'clone',
-          value: function clone() {
-            return new _SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
-          }
-        }]);
-        return _SVGPathSegArcAbs;
-      }(_SVGPathSeg);
-
-      Object.defineProperties(_SVGPathSegArcAbs.prototype, {
-        x: {
-          get: function get$$1() {
-            return this._x;
-          },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
-          },
-          enumerable: true },
-        y: {
-          get: function get$$1() {
-            return this._y;
-          },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true },
-        r1: {
-          get: function get$$1() {
-            return this._r1;
-          },
-          set: function set$$1(r1) {
-            this._r1 = r1;this._segmentChanged();
-          },
-          enumerable: true },
-        r2: {
-          get: function get$$1() {
-            return this._r2;
-          },
-          set: function set$$1(r2) {
-            this._r2 = r2;this._segmentChanged();
-          },
-          enumerable: true },
-        angle: {
-          get: function get$$1() {
-            return this._angle;
-          },
-          set: function set$$1(angle) {
-            this._angle = angle;this._segmentChanged();
-          },
-          enumerable: true },
-        largeArcFlag: {
-          get: function get$$1() {
-            return this._largeArcFlag;
-          },
-          set: function set$$1(largeArcFlag) {
-            this._largeArcFlag = largeArcFlag;this._segmentChanged();
-          },
-          enumerable: true },
-        sweepFlag: {
-          get: function get$$1() {
-            return this._sweepFlag;
-          },
-          set: function set$$1(sweepFlag) {
-            this._sweepFlag = sweepFlag;this._segmentChanged();
-          },
-          enumerable: true }
-      });
-
-      var _SVGPathSegArcRel = function (_SVGPathSeg12) {
-        inherits(_SVGPathSegArcRel, _SVGPathSeg12);
-
-        function _SVGPathSegArcRel(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
-          classCallCheck(this, _SVGPathSegArcRel);
-
-          var _this11 = possibleConstructorReturn(this, (_SVGPathSegArcRel.__proto__ || Object.getPrototypeOf(_SVGPathSegArcRel)).call(this, _SVGPathSeg.PATHSEG_ARC_REL, 'a', owningPathSegList));
-
-          _this11._x = x;
-          _this11._y = y;
-          _this11._r1 = r1;
-          _this11._r2 = r2;
-          _this11._angle = angle;
-          _this11._largeArcFlag = largeArcFlag;
-          _this11._sweepFlag = sweepFlag;
-          return _this11;
-        }
-
-        createClass(_SVGPathSegArcRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegArcRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegArcRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegArcRel(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
           }
         }]);
+
         return _SVGPathSegArcRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegArcRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         r1: {
-          get: function get$$1() {
+          get: function get() {
             return this._r1;
           },
-          set: function set$$1(r1) {
-            this._r1 = r1;this._segmentChanged();
+          set: function set(r1) {
+            this._r1 = r1;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         r2: {
-          get: function get$$1() {
+          get: function get() {
             return this._r2;
           },
-          set: function set$$1(r2) {
-            this._r2 = r2;this._segmentChanged();
+          set: function set(r2) {
+            this._r2 = r2;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         angle: {
-          get: function get$$1() {
+          get: function get() {
             return this._angle;
           },
-          set: function set$$1(angle) {
-            this._angle = angle;this._segmentChanged();
+          set: function set(angle) {
+            this._angle = angle;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         largeArcFlag: {
-          get: function get$$1() {
+          get: function get() {
             return this._largeArcFlag;
           },
-          set: function set$$1(largeArcFlag) {
-            this._largeArcFlag = largeArcFlag;this._segmentChanged();
+          set: function set(largeArcFlag) {
+            this._largeArcFlag = largeArcFlag;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         sweepFlag: {
-          get: function get$$1() {
+          get: function get() {
             return this._sweepFlag;
           },
-          set: function set$$1(sweepFlag) {
-            this._sweepFlag = sweepFlag;this._segmentChanged();
+          set: function set(sweepFlag) {
+            this._sweepFlag = sweepFlag;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegLinetoHorizontalAbs = function (_SVGPathSeg13) {
-        inherits(_SVGPathSegLinetoHorizontalAbs, _SVGPathSeg13);
+      var _SVGPathSegLinetoHorizontalAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg13) {
+        _inherits(_SVGPathSegLinetoHorizontalAbs, _SVGPathSeg13);
 
         function _SVGPathSegLinetoHorizontalAbs(owningPathSegList, x) {
-          classCallCheck(this, _SVGPathSegLinetoHorizontalAbs);
+          var _this11;
 
-          var _this12 = possibleConstructorReturn(this, (_SVGPathSegLinetoHorizontalAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoHorizontalAbs)).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, 'H', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoHorizontalAbs);
 
-          _this12._x = x;
-          return _this12;
+          _this11 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoHorizontalAbs).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, 'H', owningPathSegList));
+          _this11._x = x;
+          return _this11;
         }
 
-        createClass(_SVGPathSegLinetoHorizontalAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoHorizontalAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoHorizontalAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoHorizontalAbs(undefined, this._x);
           }
         }]);
+
         return _SVGPathSegLinetoHorizontalAbs;
       }(_SVGPathSeg);
 
       Object.defineProperty(_SVGPathSegLinetoHorizontalAbs.prototype, 'x', {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
-        },
-        enumerable: true });
+        set: function set(x) {
+          this._x = x;
 
-      var _SVGPathSegLinetoHorizontalRel = function (_SVGPathSeg14) {
-        inherits(_SVGPathSegLinetoHorizontalRel, _SVGPathSeg14);
+          this._segmentChanged();
+        },
+        enumerable: true
+      });
+
+      var _SVGPathSegLinetoHorizontalRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg14) {
+        _inherits(_SVGPathSegLinetoHorizontalRel, _SVGPathSeg14);
 
         function _SVGPathSegLinetoHorizontalRel(owningPathSegList, x) {
-          classCallCheck(this, _SVGPathSegLinetoHorizontalRel);
+          var _this12;
 
-          var _this13 = possibleConstructorReturn(this, (_SVGPathSegLinetoHorizontalRel.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoHorizontalRel)).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, 'h', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoHorizontalRel);
 
-          _this13._x = x;
-          return _this13;
+          _this12 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoHorizontalRel).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, 'h', owningPathSegList));
+          _this12._x = x;
+          return _this12;
         }
 
-        createClass(_SVGPathSegLinetoHorizontalRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoHorizontalRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoHorizontalRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoHorizontalRel(undefined, this._x);
           }
         }]);
+
         return _SVGPathSegLinetoHorizontalRel;
       }(_SVGPathSeg);
 
       Object.defineProperty(_SVGPathSegLinetoHorizontalRel.prototype, 'x', {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
-        },
-        enumerable: true });
+        set: function set(x) {
+          this._x = x;
 
-      var _SVGPathSegLinetoVerticalAbs = function (_SVGPathSeg15) {
-        inherits(_SVGPathSegLinetoVerticalAbs, _SVGPathSeg15);
+          this._segmentChanged();
+        },
+        enumerable: true
+      });
+
+      var _SVGPathSegLinetoVerticalAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg15) {
+        _inherits(_SVGPathSegLinetoVerticalAbs, _SVGPathSeg15);
 
         function _SVGPathSegLinetoVerticalAbs(owningPathSegList, y) {
-          classCallCheck(this, _SVGPathSegLinetoVerticalAbs);
+          var _this13;
 
-          var _this14 = possibleConstructorReturn(this, (_SVGPathSegLinetoVerticalAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoVerticalAbs)).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, 'V', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoVerticalAbs);
 
-          _this14._y = y;
-          return _this14;
+          _this13 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoVerticalAbs).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, 'V', owningPathSegList));
+          _this13._y = y;
+          return _this13;
         }
 
-        createClass(_SVGPathSegLinetoVerticalAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoVerticalAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoVerticalAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoVerticalAbs(undefined, this._y);
           }
         }]);
+
         return _SVGPathSegLinetoVerticalAbs;
       }(_SVGPathSeg);
 
       Object.defineProperty(_SVGPathSegLinetoVerticalAbs.prototype, 'y', {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
-        },
-        enumerable: true });
+        set: function set(y) {
+          this._y = y;
 
-      var _SVGPathSegLinetoVerticalRel = function (_SVGPathSeg16) {
-        inherits(_SVGPathSegLinetoVerticalRel, _SVGPathSeg16);
+          this._segmentChanged();
+        },
+        enumerable: true
+      });
+
+      var _SVGPathSegLinetoVerticalRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg16) {
+        _inherits(_SVGPathSegLinetoVerticalRel, _SVGPathSeg16);
 
         function _SVGPathSegLinetoVerticalRel(owningPathSegList, y) {
-          classCallCheck(this, _SVGPathSegLinetoVerticalRel);
+          var _this14;
 
-          var _this15 = possibleConstructorReturn(this, (_SVGPathSegLinetoVerticalRel.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoVerticalRel)).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, 'v', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoVerticalRel);
 
-          _this15._y = y;
-          return _this15;
+          _this14 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoVerticalRel).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, 'v', owningPathSegList));
+          _this14._y = y;
+          return _this14;
         }
 
-        createClass(_SVGPathSegLinetoVerticalRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoVerticalRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoVerticalRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoVerticalRel(undefined, this._y);
           }
         }]);
+
         return _SVGPathSegLinetoVerticalRel;
       }(_SVGPathSeg);
 
       Object.defineProperty(_SVGPathSegLinetoVerticalRel.prototype, 'y', {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
-        },
-        enumerable: true });
+        set: function set(y) {
+          this._y = y;
 
-      var _SVGPathSegCurvetoCubicSmoothAbs = function (_SVGPathSeg17) {
-        inherits(_SVGPathSegCurvetoCubicSmoothAbs, _SVGPathSeg17);
+          this._segmentChanged();
+        },
+        enumerable: true
+      });
+
+      var _SVGPathSegCurvetoCubicSmoothAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg17) {
+        _inherits(_SVGPathSegCurvetoCubicSmoothAbs, _SVGPathSeg17);
 
         function _SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, x, y, x2, y2) {
-          classCallCheck(this, _SVGPathSegCurvetoCubicSmoothAbs);
+          var _this15;
 
-          var _this16 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicSmoothAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicSmoothAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, 'S', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoCubicSmoothAbs);
 
+          _this15 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicSmoothAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, 'S', owningPathSegList));
+          _this15._x = x;
+          _this15._y = y;
+          _this15._x2 = x2;
+          _this15._y2 = y2;
+          return _this15;
+        }
+
+        _createClass(_SVGPathSegCurvetoCubicSmoothAbs, [{
+          key: "toString",
+          value: function toString() {
+            return '[object SVGPathSegCurvetoCubicSmoothAbs]';
+          }
+        }, {
+          key: "_asPathString",
+          value: function _asPathString() {
+            return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
+          }
+        }, {
+          key: "clone",
+          value: function clone() {
+            return new _SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2);
+          }
+        }]);
+
+        return _SVGPathSegCurvetoCubicSmoothAbs;
+      }(_SVGPathSeg);
+
+      Object.defineProperties(_SVGPathSegCurvetoCubicSmoothAbs.prototype, {
+        x: {
+          get: function get() {
+            return this._x;
+          },
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y: {
+          get: function get() {
+            return this._y;
+          },
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        x2: {
+          get: function get() {
+            return this._x2;
+          },
+          set: function set(x2) {
+            this._x2 = x2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y2: {
+          get: function get() {
+            return this._y2;
+          },
+          set: function set(y2) {
+            this._y2 = y2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      });
+
+      var _SVGPathSegCurvetoCubicSmoothRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg18) {
+        _inherits(_SVGPathSegCurvetoCubicSmoothRel, _SVGPathSeg18);
+
+        function _SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, x, y, x2, y2) {
+          var _this16;
+
+          _classCallCheck(this, _SVGPathSegCurvetoCubicSmoothRel);
+
+          _this16 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicSmoothRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, 's', owningPathSegList));
           _this16._x = x;
           _this16._y = y;
           _this16._x2 = x2;
@@ -1027,287 +1334,268 @@
           return _this16;
         }
 
-        createClass(_SVGPathSegCurvetoCubicSmoothAbs, [{
-          key: 'toString',
-          value: function toString() {
-            return '[object SVGPathSegCurvetoCubicSmoothAbs]';
-          }
-        }, {
-          key: '_asPathString',
-          value: function _asPathString() {
-            return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
-          }
-        }, {
-          key: 'clone',
-          value: function clone() {
-            return new _SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2);
-          }
-        }]);
-        return _SVGPathSegCurvetoCubicSmoothAbs;
-      }(_SVGPathSeg);
-
-      Object.defineProperties(_SVGPathSegCurvetoCubicSmoothAbs.prototype, {
-        x: {
-          get: function get$$1() {
-            return this._x;
-          },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
-          },
-          enumerable: true },
-        y: {
-          get: function get$$1() {
-            return this._y;
-          },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true },
-        x2: {
-          get: function get$$1() {
-            return this._x2;
-          },
-          set: function set$$1(x2) {
-            this._x2 = x2;this._segmentChanged();
-          },
-          enumerable: true },
-        y2: {
-          get: function get$$1() {
-            return this._y2;
-          },
-          set: function set$$1(y2) {
-            this._y2 = y2;this._segmentChanged();
-          },
-          enumerable: true }
-      });
-
-      var _SVGPathSegCurvetoCubicSmoothRel = function (_SVGPathSeg18) {
-        inherits(_SVGPathSegCurvetoCubicSmoothRel, _SVGPathSeg18);
-
-        function _SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, x, y, x2, y2) {
-          classCallCheck(this, _SVGPathSegCurvetoCubicSmoothRel);
-
-          var _this17 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicSmoothRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicSmoothRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, 's', owningPathSegList));
-
-          _this17._x = x;
-          _this17._y = y;
-          _this17._x2 = x2;
-          _this17._y2 = y2;
-          return _this17;
-        }
-
-        createClass(_SVGPathSegCurvetoCubicSmoothRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoCubicSmoothRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoCubicSmoothRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoCubicSmoothRel(undefined, this._x, this._y, this._x2, this._y2);
           }
         }]);
+
         return _SVGPathSegCurvetoCubicSmoothRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoCubicSmoothRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         x2: {
-          get: function get$$1() {
+          get: function get() {
             return this._x2;
           },
-          set: function set$$1(x2) {
-            this._x2 = x2;this._segmentChanged();
+          set: function set(x2) {
+            this._x2 = x2;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y2: {
-          get: function get$$1() {
+          get: function get() {
             return this._y2;
           },
-          set: function set$$1(y2) {
-            this._y2 = y2;this._segmentChanged();
+          set: function set(y2) {
+            this._y2 = y2;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegCurvetoQuadraticSmoothAbs = function (_SVGPathSeg19) {
-        inherits(_SVGPathSegCurvetoQuadraticSmoothAbs, _SVGPathSeg19);
+      var _SVGPathSegCurvetoQuadraticSmoothAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg19) {
+        _inherits(_SVGPathSegCurvetoQuadraticSmoothAbs, _SVGPathSeg19);
 
         function _SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothAbs);
+          var _this17;
 
-          var _this18 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticSmoothAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, 'T', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothAbs);
 
-          _this18._x = x;
-          _this18._y = y;
-          return _this18;
+          _this17 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, 'T', owningPathSegList));
+          _this17._x = x;
+          _this17._y = y;
+          return _this17;
         }
 
-        createClass(_SVGPathSegCurvetoQuadraticSmoothAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoQuadraticSmoothAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoQuadraticSmoothAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoQuadraticSmoothAbs(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegCurvetoQuadraticSmoothAbs;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoQuadraticSmoothAbs.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegCurvetoQuadraticSmoothRel = function (_SVGPathSeg20) {
-        inherits(_SVGPathSegCurvetoQuadraticSmoothRel, _SVGPathSeg20);
+      var _SVGPathSegCurvetoQuadraticSmoothRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg20) {
+        _inherits(_SVGPathSegCurvetoQuadraticSmoothRel, _SVGPathSeg20);
 
         function _SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothRel);
+          var _this18;
 
-          var _this19 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticSmoothRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, 't', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothRel);
 
-          _this19._x = x;
-          _this19._y = y;
-          return _this19;
+          _this18 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, 't', owningPathSegList));
+          _this18._x = x;
+          _this18._y = y;
+          return _this18;
         }
 
-        createClass(_SVGPathSegCurvetoQuadraticSmoothRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoQuadraticSmoothRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoQuadraticSmoothRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoQuadraticSmoothRel(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegCurvetoQuadraticSmoothRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoQuadraticSmoothRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true }
-      });
+          set: function set(y) {
+            this._y = y;
 
-      // Add createSVGPathSeg* functions to SVGPathElement.
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      }); // Add createSVGPathSeg* functions to SVGPathElement.
       // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathElement.
+
       SVGPathElement.prototype.createSVGPathSegClosePath = function () {
         return new _SVGPathSegClosePath(undefined);
       };
+
       SVGPathElement.prototype.createSVGPathSegMovetoAbs = function (x, y) {
         return new _SVGPathSegMovetoAbs(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegMovetoRel = function (x, y) {
         return new _SVGPathSegMovetoRel(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoAbs = function (x, y) {
         return new _SVGPathSegLinetoAbs(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoRel = function (x, y) {
         return new _SVGPathSegLinetoRel(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoCubicAbs = function (x, y, x1, y1, x2, y2) {
         return new _SVGPathSegCurvetoCubicAbs(undefined, x, y, x1, y1, x2, y2);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoCubicRel = function (x, y, x1, y1, x2, y2) {
         return new _SVGPathSegCurvetoCubicRel(undefined, x, y, x1, y1, x2, y2);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticAbs = function (x, y, x1, y1) {
         return new _SVGPathSegCurvetoQuadraticAbs(undefined, x, y, x1, y1);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticRel = function (x, y, x1, y1) {
         return new _SVGPathSegCurvetoQuadraticRel(undefined, x, y, x1, y1);
       };
+
       SVGPathElement.prototype.createSVGPathSegArcAbs = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
         return new _SVGPathSegArcAbs(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
       };
+
       SVGPathElement.prototype.createSVGPathSegArcRel = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
         return new _SVGPathSegArcRel(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoHorizontalAbs = function (x) {
         return new _SVGPathSegLinetoHorizontalAbs(undefined, x);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel = function (x) {
         return new _SVGPathSegLinetoHorizontalRel(undefined, x);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs = function (y) {
         return new _SVGPathSegLinetoVerticalAbs(undefined, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel = function (y) {
         return new _SVGPathSegLinetoVerticalRel(undefined, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs = function (x, y, x2, y2) {
         return new _SVGPathSegCurvetoCubicSmoothAbs(undefined, x, y, x2, y2);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel = function (x, y, x2, y2) {
         return new _SVGPathSegCurvetoCubicSmoothRel(undefined, x, y, x2, y2);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs = function (x, y) {
         return new _SVGPathSegCurvetoQuadraticSmoothAbs(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel = function (x, y) {
         return new _SVGPathSegCurvetoQuadraticSmoothRel(undefined, x, y);
       };
@@ -1323,20 +1611,22 @@
 
           var measurementElement = document.createElementNS('http://www.w3.org/2000/svg', 'path');
           measurementElement.setAttribute('d', this.getAttribute('d'));
-          var lastPathSegment = measurementElement.pathSegList.numberOfItems - 1;
+          var lastPathSegment = measurementElement.pathSegList.numberOfItems - 1; // If the path is empty, return 0.
 
-          // If the path is empty, return 0.
           if (lastPathSegment <= 0) {
             return 0;
           }
 
           do {
             measurementElement.pathSegList.removeItem(lastPathSegment);
+
             if (distance > measurementElement.getTotalLength()) {
               break;
             }
+
             lastPathSegment--;
           } while (lastPathSegment > 0);
+
           return lastPathSegment;
         };
       }
@@ -1361,127 +1651,141 @@
       window.SVGPathSegCurvetoCubicSmoothRel = _SVGPathSegCurvetoCubicSmoothRel;
       window.SVGPathSegCurvetoQuadraticSmoothAbs = _SVGPathSegCurvetoQuadraticSmoothAbs;
       window.SVGPathSegCurvetoQuadraticSmoothRel = _SVGPathSegCurvetoQuadraticSmoothRel;
-    }
-
-    // Checking for SVGPathSegList in window checks for the case of an implementation without the
+    } // Checking for SVGPathSegList in window checks for the case of an implementation without the
     // SVGPathSegList API.
     // The second check for appendItem is specific to Firefox 59+ which removed only parts of the
     // SVGPathSegList API (e.g., appendItem). In this case we need to re-implement the entire API
     // so the polyfill data (i.e., _list) is used throughout.
+
+
     if (!('SVGPathSegList' in window) || !('appendItem' in window.SVGPathSegList.prototype)) {
       // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSegList
-      var SVGPathSegList = function () {
+      var SVGPathSegList =
+      /*#__PURE__*/
+      function () {
         function SVGPathSegList(pathElement) {
-          classCallCheck(this, SVGPathSegList);
+          _classCallCheck(this, SVGPathSegList);
 
           this._pathElement = pathElement;
-          this._list = this._parsePath(this._pathElement.getAttribute('d'));
+          this._list = this._parsePath(this._pathElement.getAttribute('d')); // Use a MutationObserver to catch changes to the path's "d" attribute.
 
-          // Use a MutationObserver to catch changes to the path's "d" attribute.
-          this._mutationObserverConfig = { attributes: true, attributeFilter: ['d'] };
+          this._mutationObserverConfig = {
+            attributes: true,
+            attributeFilter: ['d']
+          };
           this._pathElementMutationObserver = new MutationObserver(this._updateListFromPathMutations.bind(this));
+
           this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
-        }
-        // Process any pending mutations to the path element and update the list as needed.
+        } // Process any pending mutations to the path element and update the list as needed.
         // This should be the first call of all public functions and is needed because
         // MutationObservers are not synchronous so we can have pending asynchronous mutations.
 
 
-        createClass(SVGPathSegList, [{
-          key: '_checkPathSynchronizedToList',
+        _createClass(SVGPathSegList, [{
+          key: "_checkPathSynchronizedToList",
           value: function _checkPathSynchronizedToList() {
             this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords());
           }
         }, {
-          key: '_updateListFromPathMutations',
+          key: "_updateListFromPathMutations",
           value: function _updateListFromPathMutations(mutationRecords) {
             if (!this._pathElement) {
               return;
             }
+
             var hasPathMutations = false;
             mutationRecords.forEach(function (record) {
               if (record.attributeName === 'd') {
                 hasPathMutations = true;
               }
             });
+
             if (hasPathMutations) {
               this._list = this._parsePath(this._pathElement.getAttribute('d'));
             }
-          }
-
-          // Serialize the list and update the path's 'd' attribute.
+          } // Serialize the list and update the path's 'd' attribute.
 
         }, {
-          key: '_writeListToPath',
+          key: "_writeListToPath",
           value: function _writeListToPath() {
             this._pathElementMutationObserver.disconnect();
-            this._pathElement.setAttribute('d', SVGPathSegList._pathSegArrayAsString(this._list));
-            this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
-          }
 
-          // When a path segment changes the list needs to be synchronized back to the path element.
+            this._pathElement.setAttribute('d', SVGPathSegList._pathSegArrayAsString(this._list));
+
+            this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
+          } // When a path segment changes the list needs to be synchronized back to the path element.
 
         }, {
-          key: 'segmentChanged',
+          key: "segmentChanged",
           value: function segmentChanged(pathSeg) {
             this._writeListToPath();
           }
         }, {
-          key: 'clear',
+          key: "clear",
           value: function clear() {
             this._checkPathSynchronizedToList();
 
             this._list.forEach(function (pathSeg) {
               pathSeg._owningPathSegList = null;
             });
+
             this._list = [];
+
             this._writeListToPath();
           }
         }, {
-          key: 'initialize',
+          key: "initialize",
           value: function initialize(newItem) {
             this._checkPathSynchronizedToList();
 
             this._list = [newItem];
             newItem._owningPathSegList = this;
+
             this._writeListToPath();
+
             return newItem;
           }
         }, {
-          key: '_checkValidIndex',
+          key: "_checkValidIndex",
           value: function _checkValidIndex(index) {
             if (isNaN(index) || index < 0 || index >= this.numberOfItems) {
               throw new Error('INDEX_SIZE_ERR');
             }
           }
         }, {
-          key: 'getItem',
+          key: "getItem",
           value: function getItem(index) {
             this._checkPathSynchronizedToList();
 
             this._checkValidIndex(index);
+
             return this._list[index];
           }
         }, {
-          key: 'insertItemBefore',
+          key: "insertItemBefore",
           value: function insertItemBefore(newItem, index) {
-            this._checkPathSynchronizedToList();
+            this._checkPathSynchronizedToList(); // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.
+
 
-            // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.
             if (index > this.numberOfItems) {
               index = this.numberOfItems;
             }
+
             if (newItem._owningPathSegList) {
               // SVG2 spec says to make a copy.
               newItem = newItem.clone();
             }
+
             this._list.splice(index, 0, newItem);
+
             newItem._owningPathSegList = this;
+
             this._writeListToPath();
+
             return newItem;
           }
         }, {
-          key: 'replaceItem',
+          key: "replaceItem",
           value: function replaceItem(newItem, index) {
             this._checkPathSynchronizedToList();
 
@@ -1489,25 +1793,33 @@
               // SVG2 spec says to make a copy.
               newItem = newItem.clone();
             }
+
             this._checkValidIndex(index);
+
             this._list[index] = newItem;
             newItem._owningPathSegList = this;
+
             this._writeListToPath();
+
             return newItem;
           }
         }, {
-          key: 'removeItem',
+          key: "removeItem",
           value: function removeItem(index) {
             this._checkPathSynchronizedToList();
 
             this._checkValidIndex(index);
+
             var item = this._list[index];
+
             this._list.splice(index, 1);
+
             this._writeListToPath();
+
             return item;
           }
         }, {
-          key: 'appendItem',
+          key: "appendItem",
           value: function appendItem(newItem) {
             this._checkPathSynchronizedToList();
 
@@ -1515,17 +1827,18 @@
               // SVG2 spec says to make a copy.
               newItem = newItem.clone();
             }
-            this._list.push(newItem);
-            newItem._owningPathSegList = this;
-            // TODO: Optimize this to just append to the existing attribute.
-            this._writeListToPath();
-            return newItem;
-          }
 
-          // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.
+            this._list.push(newItem);
+
+            newItem._owningPathSegList = this; // TODO: Optimize this to just append to the existing attribute.
+
+            this._writeListToPath();
+
+            return newItem;
+          } // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.
 
         }, {
-          key: '_parsePath',
+          key: "_parsePath",
           value: function _parsePath(string) {
             if (!string || !string.length) {
               return [];
@@ -1533,25 +1846,30 @@
 
             var owningPathSegList = this;
 
-            var Builder = function () {
+            var Builder =
+            /*#__PURE__*/
+            function () {
               function Builder() {
-                classCallCheck(this, Builder);
+                _classCallCheck(this, Builder);
 
                 this.pathSegList = [];
               }
 
-              createClass(Builder, [{
-                key: 'appendSegment',
+              _createClass(Builder, [{
+                key: "appendSegment",
                 value: function appendSegment(pathSeg) {
                   this.pathSegList.push(pathSeg);
                 }
               }]);
+
               return Builder;
             }();
 
-            var Source = function () {
+            var Source =
+            /*#__PURE__*/
+            function () {
               function Source(string) {
-                classCallCheck(this, Source);
+                _classCallCheck(this, Source);
 
                 this._string = string;
                 this._currentIndex = 0;
@@ -1561,124 +1879,149 @@
                 this._skipOptionalSpaces();
               }
 
-              createClass(Source, [{
-                key: '_isCurrentSpace',
+              _createClass(Source, [{
+                key: "_isCurrentSpace",
                 value: function _isCurrentSpace() {
                   var character = this._string[this._currentIndex];
                   return character <= ' ' && (character === ' ' || character === '\n' || character === '\t' || character === '\r' || character === '\f');
                 }
               }, {
-                key: '_skipOptionalSpaces',
+                key: "_skipOptionalSpaces",
                 value: function _skipOptionalSpaces() {
                   while (this._currentIndex < this._endIndex && this._isCurrentSpace()) {
                     this._currentIndex++;
                   }
+
                   return this._currentIndex < this._endIndex;
                 }
               }, {
-                key: '_skipOptionalSpacesOrDelimiter',
+                key: "_skipOptionalSpacesOrDelimiter",
                 value: function _skipOptionalSpacesOrDelimiter() {
                   if (this._currentIndex < this._endIndex && !this._isCurrentSpace() && this._string.charAt(this._currentIndex) !== ',') {
                     return false;
                   }
+
                   if (this._skipOptionalSpaces()) {
                     if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === ',') {
                       this._currentIndex++;
+
                       this._skipOptionalSpaces();
                     }
                   }
+
                   return this._currentIndex < this._endIndex;
                 }
               }, {
-                key: 'hasMoreData',
+                key: "hasMoreData",
                 value: function hasMoreData() {
                   return this._currentIndex < this._endIndex;
                 }
               }, {
-                key: 'peekSegmentType',
+                key: "peekSegmentType",
                 value: function peekSegmentType() {
                   var lookahead = this._string[this._currentIndex];
                   return this._pathSegTypeFromChar(lookahead);
                 }
               }, {
-                key: '_pathSegTypeFromChar',
+                key: "_pathSegTypeFromChar",
                 value: function _pathSegTypeFromChar(lookahead) {
                   switch (lookahead) {
                     case 'Z':
                     case 'z':
                       return SVGPathSeg.PATHSEG_CLOSEPATH;
+
                     case 'M':
                       return SVGPathSeg.PATHSEG_MOVETO_ABS;
+
                     case 'm':
                       return SVGPathSeg.PATHSEG_MOVETO_REL;
+
                     case 'L':
                       return SVGPathSeg.PATHSEG_LINETO_ABS;
+
                     case 'l':
                       return SVGPathSeg.PATHSEG_LINETO_REL;
+
                     case 'C':
                       return SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;
+
                     case 'c':
                       return SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;
+
                     case 'Q':
                       return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;
+
                     case 'q':
                       return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;
+
                     case 'A':
                       return SVGPathSeg.PATHSEG_ARC_ABS;
+
                     case 'a':
                       return SVGPathSeg.PATHSEG_ARC_REL;
+
                     case 'H':
                       return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;
+
                     case 'h':
                       return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;
+
                     case 'V':
                       return SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;
+
                     case 'v':
                       return SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;
+
                     case 'S':
                       return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;
+
                     case 's':
                       return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;
+
                     case 'T':
                       return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;
+
                     case 't':
                       return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;
+
                     default:
                       return SVGPathSeg.PATHSEG_UNKNOWN;
                   }
                 }
               }, {
-                key: '_nextCommandHelper',
+                key: "_nextCommandHelper",
                 value: function _nextCommandHelper(lookahead, previousCommand) {
                   // Check for remaining coordinates in the current command.
                   if ((lookahead === '+' || lookahead === '-' || lookahead === '.' || lookahead >= '0' && lookahead <= '9') && previousCommand !== SVGPathSeg.PATHSEG_CLOSEPATH) {
                     if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_ABS) {
                       return SVGPathSeg.PATHSEG_LINETO_ABS;
                     }
+
                     if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_REL) {
                       return SVGPathSeg.PATHSEG_LINETO_REL;
                     }
+
                     return previousCommand;
                   }
+
                   return SVGPathSeg.PATHSEG_UNKNOWN;
                 }
               }, {
-                key: 'initialCommandIsMoveTo',
+                key: "initialCommandIsMoveTo",
                 value: function initialCommandIsMoveTo() {
                   // If the path is empty it is still valid, so return true.
                   if (!this.hasMoreData()) {
                     return true;
                   }
-                  var command = this.peekSegmentType();
-                  // Path must start with moveTo.
-                  return command === SVGPathSeg.PATHSEG_MOVETO_ABS || command === SVGPathSeg.PATHSEG_MOVETO_REL;
-                }
 
-                // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.
+                  var command = this.peekSegmentType(); // Path must start with moveTo.
+
+                  return command === SVGPathSeg.PATHSEG_MOVETO_ABS || command === SVGPathSeg.PATHSEG_MOVETO_REL;
+                } // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.
                 // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-PathDataBNF
 
               }, {
-                key: '_parseNumber',
+                key: "_parseNumber",
                 value: function _parseNumber() {
                   var exponent = 0;
                   var integer = 0;
@@ -1686,12 +2029,11 @@
                   var decimal = 0;
                   var sign = 1;
                   var expsign = 1;
-
                   var startIndex = this._currentIndex;
 
-                  this._skipOptionalSpaces();
+                  this._skipOptionalSpaces(); // Read the sign.
+
 
-                  // Read the sign.
                   if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '+') {
                     this._currentIndex++;
                   } else if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '-') {
@@ -1702,10 +2044,11 @@
                   if (this._currentIndex === this._endIndex || (this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') && this._string.charAt(this._currentIndex) !== '.') {
                     // The first character of a number must be one of [0-9+-.].
                     return undefined;
-                  }
+                  } // Read the integer part, build right-to-left.
+
 
-                  // Read the integer part, build right-to-left.
                   var startIntPartIndex = this._currentIndex;
+
                   while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {
                     this._currentIndex++; // Advance to first non-digit.
                   }
@@ -1713,40 +2056,40 @@
                   if (this._currentIndex !== startIntPartIndex) {
                     var scanIntPartIndex = this._currentIndex - 1;
                     var multiplier = 1;
+
                     while (scanIntPartIndex >= startIntPartIndex) {
                       integer += multiplier * (this._string.charAt(scanIntPartIndex--) - '0');
                       multiplier *= 10;
                     }
-                  }
+                  } // Read the decimals.
+
 
-                  // Read the decimals.
                   if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '.') {
-                    this._currentIndex++;
+                    this._currentIndex++; // There must be a least one digit following the .
 
-                    // There must be a least one digit following the .
                     if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {
                       return undefined;
                     }
+
                     while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {
                       frac *= 10;
                       decimal += (this._string.charAt(this._currentIndex) - '0') / frac;
                       this._currentIndex += 1;
                     }
-                  }
+                  } // Read the exponent part.
+
 
-                  // Read the exponent part.
                   if (this._currentIndex !== startIndex && this._currentIndex + 1 < this._endIndex && (this._string.charAt(this._currentIndex) === 'e' || this._string.charAt(this._currentIndex) === 'E') && this._string.charAt(this._currentIndex + 1) !== 'x' && this._string.charAt(this._currentIndex + 1) !== 'm') {
-                    this._currentIndex++;
+                    this._currentIndex++; // Read the sign of the exponent.
 
-                    // Read the sign of the exponent.
                     if (this._string.charAt(this._currentIndex) === '+') {
                       this._currentIndex++;
                     } else if (this._string.charAt(this._currentIndex) === '-') {
                       this._currentIndex++;
                       expsign = -1;
-                    }
+                    } // There must be an exponent.
+
 
-                    // There must be an exponent.
                     if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {
                       return undefined;
                     }
@@ -1774,13 +2117,16 @@
                   return number;
                 }
               }, {
-                key: '_parseArcFlag',
+                key: "_parseArcFlag",
                 value: function _parseArcFlag() {
                   if (this._currentIndex >= this._endIndex) {
                     return undefined;
                   }
+
                   var flag = false;
+
                   var flagChar = this._string.charAt(this._currentIndex++);
+
                   if (flagChar === '0') {
                     flag = false;
                   } else if (flagChar === '1') {
@@ -1790,19 +2136,24 @@
                   }
 
                   this._skipOptionalSpacesOrDelimiter();
+
                   return flag;
                 }
               }, {
-                key: 'parseSegment',
+                key: "parseSegment",
                 value: function parseSegment() {
                   var lookahead = this._string[this._currentIndex];
+
                   var command = this._pathSegTypeFromChar(lookahead);
+
                   if (command === SVGPathSeg.PATHSEG_UNKNOWN) {
                     // Possibly an implicit command. Not allowed if this is the first command.
                     if (this._previousCommand === SVGPathSeg.PATHSEG_UNKNOWN) {
                       return null;
                     }
+
                     command = this._nextCommandHelper(lookahead, this._previousCommand);
+
                     if (command === SVGPathSeg.PATHSEG_UNKNOWN) {
                       return null;
                     }
@@ -1815,63 +2166,141 @@
                   switch (command) {
                     case SVGPathSeg.PATHSEG_MOVETO_REL:
                       return new SVGPathSegMovetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_MOVETO_ABS:
                       return new SVGPathSegMovetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_REL:
                       return new SVGPathSegLinetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_ABS:
                       return new SVGPathSegLinetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:
                       return new SVGPathSegLinetoHorizontalRel(owningPathSegList, this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:
                       return new SVGPathSegLinetoHorizontalAbs(owningPathSegList, this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:
                       return new SVGPathSegLinetoVerticalRel(owningPathSegList, this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:
                       return new SVGPathSegLinetoVerticalAbs(owningPathSegList, this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_CLOSEPATH:
                       this._skipOptionalSpaces();
+
                       return new SVGPathSegClosePath(owningPathSegList);
+
                     case SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:
                       {
-                        var _points = { x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          x2: this._parseNumber(),
+                          y2: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoCubicRel(owningPathSegList, _points.x, _points.y, _points.x1, _points.y1, _points.x2, _points.y2);
-                      }case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:
                       {
-                        var _points2 = { x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points2 = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          x2: this._parseNumber(),
+                          y2: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoCubicAbs(owningPathSegList, _points2.x, _points2.y, _points2.x1, _points2.y1, _points2.x2, _points2.y2);
-                      }case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:
                       {
-                        var _points3 = { x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points3 = {
+                          x2: this._parseNumber(),
+                          y2: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, _points3.x, _points3.y, _points3.x2, _points3.y2);
-                      }case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:
                       {
-                        var _points4 = { x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points4 = {
+                          x2: this._parseNumber(),
+                          y2: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, _points4.x, _points4.y, _points4.x2, _points4.y2);
-                      }case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:
                       {
-                        var _points5 = { x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points5 = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoQuadraticRel(owningPathSegList, _points5.x, _points5.y, _points5.x1, _points5.y1);
-                      }case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:
-                      var points = { x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:
+                      var points = {
+                        x1: this._parseNumber(),
+                        y1: this._parseNumber(),
+                        x: this._parseNumber(),
+                        y: this._parseNumber()
+                      };
                       return new SVGPathSegCurvetoQuadraticAbs(owningPathSegList, points.x, points.y, points.x1, points.y1);
+
                     case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:
                       return new SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:
                       return new SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_ARC_REL:
                       {
-                        var _points6 = { x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points6 = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          arcAngle: this._parseNumber(),
+                          arcLarge: this._parseArcFlag(),
+                          arcSweep: this._parseArcFlag(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegArcRel(owningPathSegList, _points6.x, _points6.y, _points6.x1, _points6.y1, _points6.arcAngle, _points6.arcLarge, _points6.arcSweep);
-                      }case SVGPathSeg.PATHSEG_ARC_ABS:
+                      }
+
+                    case SVGPathSeg.PATHSEG_ARC_ABS:
                       {
-                        var _points7 = { x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points7 = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          arcAngle: this._parseNumber(),
+                          arcLarge: this._parseArcFlag(),
+                          arcSweep: this._parseArcFlag(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegArcAbs(owningPathSegList, _points7.x, _points7.y, _points7.x1, _points7.y1, _points7.arcAngle, _points7.arcLarge, _points7.arcSweep);
-                      }default:
+                      }
+
+                    default:
                       throw new Error('Unknown path seg type.');
                   }
                 }
               }]);
+
               return Source;
             }();
 
@@ -1881,28 +2310,31 @@
             if (!source.initialCommandIsMoveTo()) {
               return [];
             }
+
             while (source.hasMoreData()) {
               var pathSeg = source.parseSegment();
+
               if (!pathSeg) {
                 return [];
               }
+
               builder.appendSegment(pathSeg);
             }
 
             return builder.pathSegList;
           }
         }]);
+
         return SVGPathSegList;
       }();
 
       SVGPathSegList.prototype.classname = 'SVGPathSegList';
-
       Object.defineProperty(SVGPathSegList.prototype, 'numberOfItems', {
-        get: function get$$1() {
+        get: function get() {
           this._checkPathSynchronizedToList();
+
           return this._list.length;
         },
-
         enumerable: true
       });
 
@@ -1918,37 +2350,40 @@
           }
         });
         return string;
-      };
-
-      // Add the pathSegList accessors to SVGPathElement.
+      }; // Add the pathSegList accessors to SVGPathElement.
       // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGAnimatedPathData
+
+
       Object.defineProperties(SVGPathElement.prototype, {
         pathSegList: {
-          get: function get$$1() {
+          get: function get() {
             if (!this._pathSegList) {
               this._pathSegList = new SVGPathSegList(this);
             }
+
             return this._pathSegList;
           },
-
           enumerable: true
         },
         // FIXME: The following are not implemented and simply return SVGPathElement.pathSegList.
         normalizedPathSegList: {
-          get: function get$$1() {
+          get: function get() {
             return this.pathSegList;
           },
-          enumerable: true },
+          enumerable: true
+        },
         animatedPathSegList: {
-          get: function get$$1() {
+          get: function get() {
             return this.pathSegList;
           },
-          enumerable: true },
+          enumerable: true
+        },
         animatedNormalizedPathSegList: {
-          get: function get$$1() {
+          get: function get() {
             return this.pathSegList;
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
       window.SVGPathSegList = SVGPathSegList;
     }
@@ -1974,30 +2409,28 @@
     XLINK: 'http://www.w3.org/1999/xlink',
     XML: 'http://www.w3.org/XML/1998/namespace',
     XMLNS: 'http://www.w3.org/2000/xmlns/' // see http://www.w3.org/TR/REC-xml-names/#xmlReserved
+
   };
 
   /* globals jQuery */
-
   var $ = jQuery;
 
   var supportsSVG_ = function () {
     return !!document.createElementNS && !!document.createElementNS(NS.SVG, 'svg').createSVGRect;
   }();
-
   /**
    * @function module:browser.supportsSvg
    * @returns {boolean}
   */
+
+
   var supportsSvg = function supportsSvg() {
     return supportsSVG_;
   };
-
   var _navigator = navigator,
       userAgent = _navigator.userAgent;
+  var svg = document.createElementNS(NS.SVG, 'svg'); // Note: Browser sniffing should only be used if no other detection method is possible
 
-  var svg = document.createElementNS(NS.SVG, 'svg');
-
-  // Note: Browser sniffing should only be used if no other detection method is possible
   var isOpera_ = !!window.opera;
   var isWebkit_ = userAgent.includes('AppleWebKit');
   var isGecko_ = userAgent.includes('Gecko/');
@@ -2012,18 +2445,20 @@
 
   var supportsXpath_ = function () {
     return !!document.evaluate;
-  }();
+  }(); // segList functions (for FF1.5 and 2.0)
+
 
-  // segList functions (for FF1.5 and 2.0)
   var supportsPathReplaceItem_ = function () {
     var path = document.createElementNS(NS.SVG, 'path');
     path.setAttribute('d', 'M0,0 10,10');
     var seglist = path.pathSegList;
     var seg = path.createSVGPathSegLinetoAbs(5, 5);
+
     try {
       seglist.replaceItem(seg, 1);
       return true;
     } catch (err) {}
+
     return false;
   }();
 
@@ -2032,14 +2467,16 @@
     path.setAttribute('d', 'M0,0 10,10');
     var seglist = path.pathSegList;
     var seg = path.createSVGPathSegLinetoAbs(5, 5);
+
     try {
       seglist.insertItemBefore(seg, 1);
       return true;
     } catch (err) {}
-    return false;
-  }();
 
-  // text character positioning (for IE9)
+    return false;
+  }(); // text character positioning (for IE9)
+
+
   var supportsGoodTextCharPos_ = function () {
     var svgroot = document.createElementNS(NS.SVG, 'svg');
     var svgcontent = document.createElementNS(NS.SVG, 'svg');
@@ -2063,9 +2500,9 @@
     var bbox = path.getBBox();
     svgcontent.remove();
     return bbox.height > 4 && bbox.height < 5;
-  }();
+  }(); // Support for correct bbox sizing on groups with horizontal/vertical lines
+
 
-  // Support for correct bbox sizing on groups with horizontal/vertical lines
   var supportsHVLineContainerBBox_ = function () {
     var svgcontent = document.createElementNS(NS.SVG, 'svg');
     document.documentElement.append(svgcontent);
@@ -2077,8 +2514,8 @@
     g.append(path, path2);
     svgcontent.append(g);
     var bbox = g.getBBox();
-    svgcontent.remove();
-    // Webkit gives 0, FF gives 10, Opera (correctly) gives 15
+    svgcontent.remove(); // Webkit gives 0, FF gives 10, Opera (correctly) gives 15
+
     return bbox.width === 15;
   }();
 
@@ -2088,10 +2525,12 @@
     rect.setAttribute('x', 0.1);
     var crect = rect.cloneNode(false);
     var retValue = !crect.getAttribute('x').includes(',');
+
     if (!retValue) {
       // Todo: i18nize or remove
       $.alert('NOTE: This version of Opera is known to contain bugs in SVG-edit.\n' + 'Please upgrade to the <a href="http://opera.com">latest version</a> in which the problems have been fixed.');
     }
+
     return retValue;
   }();
 
@@ -2106,10 +2545,10 @@
     var rxform = rect.transform.baseVal;
     var t1 = svg.createSVGTransform();
     rxform.appendItem(t1);
-    var r1 = rxform.getItem(0);
-    // Todo: Do frame-independent instance checking
+    var r1 = rxform.getItem(0); // Todo: Do frame-independent instance checking
+
     return r1 instanceof SVGTransform && t1 instanceof SVGTransform && r1.type === t1.type && r1.angle === t1.angle && r1.matrix.a === t1.matrix.a && r1.matrix.b === t1.matrix.b && r1.matrix.c === t1.matrix.c && r1.matrix.d === t1.matrix.d && r1.matrix.e === t1.matrix.e && r1.matrix.f === t1.matrix.f;
-  }();
+  }(); // Public API
 
   if (!supportsSvg()) {
     window.location = 'browser-not-supported.html';
diff --git a/editor/extensions/imagelib/index-es.html b/editor/extensions/imagelib/index-es.html
index 9e62b7ca..f70eca62 100644
--- a/editor/extensions/imagelib/index-es.html
+++ b/editor/extensions/imagelib/index-es.html
@@ -5,7 +5,7 @@
     <title>-</title>
     <link rel="icon" type="image/png" href="../../images/logo.png"/>
     <script src="../../jquery.min.js"></script>
-    <script src="../../external/babel-polyfill/polyfill.min.js"></script>
+    <script src="../../external/@babel/polyfill/polyfill.min.js"></script>
     <script type="module" src="index.js"></script>
 </head>
 <body>
diff --git a/editor/extensions/imagelib/index.html b/editor/extensions/imagelib/index.html
index 31d67888..aa775de3 100644
--- a/editor/extensions/imagelib/index.html
+++ b/editor/extensions/imagelib/index.html
@@ -6,7 +6,7 @@
     <title>-</title>
     <link rel="icon" type="image/png" href="../../images/logo.png"/>
     <script src="../../jquery.min.js"></script>
-    <script src="../../external/babel-polyfill/polyfill.min.js"></script>
+    <script src="../../external/@babel/polyfill/polyfill.min.js"></script>
     <script defer="defer" src="../../../dist/extensions/imagelib/index.js"></script>
 </head>
 <body>
diff --git a/editor/extensions/imagelib/openclipart-es.html b/editor/extensions/imagelib/openclipart-es.html
index 702018a8..04f58c56 100644
--- a/editor/extensions/imagelib/openclipart-es.html
+++ b/editor/extensions/imagelib/openclipart-es.html
@@ -5,7 +5,7 @@
     <title>-</title>
     <link rel="icon" type="image/png" href="../../images/logo.png"/>
     <script src="../../external/dom-polyfill/dom-polyfill.js"></script>
-    <script src="../../external/babel-polyfill/polyfill.min.js"></script>
+    <script src="../../external/@babel/polyfill/polyfill.min.js"></script>
     <script type="module" src="openclipart.js"></script>
   </head>
   <body>
diff --git a/editor/extensions/imagelib/openclipart.html b/editor/extensions/imagelib/openclipart.html
index 54a23741..b0e12a2f 100644
--- a/editor/extensions/imagelib/openclipart.html
+++ b/editor/extensions/imagelib/openclipart.html
@@ -6,7 +6,7 @@
     <title>-</title>
     <link rel="icon" type="image/png" href="../../images/logo.png"/>
     <script src="../../../dist/dom-polyfill.js"></script>
-    <script src="../../external/babel-polyfill/polyfill.min.js"></script>
+    <script src="../../external/@babel/polyfill/polyfill.min.js"></script>
     <script defer="defer" src="../../../dist/extensions/imagelib/openclipart.js"></script>
   </head>
   <body>
diff --git a/editor/external/babel-polyfill/polyfill.js b/editor/external/@babel/polyfill/polyfill.js
similarity index 67%
rename from editor/external/babel-polyfill/polyfill.js
rename to editor/external/@babel/polyfill/polyfill.js
index 0910ad25..bfd16dc6 100644
--- a/editor/external/babel-polyfill/polyfill.js
+++ b/editor/external/@babel/polyfill/polyfill.js
@@ -1,80 +1,251 @@
-(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
+(function(){function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}return e})()({1:[function(_dereq_,module,exports){
 (function (global){
 "use strict";
 
-_dereq_(327);
-
-_dereq_(328);
-
 _dereq_(2);
 
-if (global._babelPolyfill) {
-  throw new Error("only one instance of babel-polyfill is allowed");
+_dereq_(3);
+
+_dereq_(9);
+
+_dereq_(8);
+
+_dereq_(10);
+
+_dereq_(5);
+
+_dereq_(6);
+
+_dereq_(4);
+
+_dereq_(7);
+
+_dereq_(275);
+
+_dereq_(276);
+
+if (global._babelPolyfill && typeof console !== "undefined" && console.warn) {
+  console.warn("@babel/polyfill is loaded more than once on this page. This is probably not desirable/intended " + "and may have consequences if different versions of the polyfills are applied sequentially. " + "If you do need to load the polyfill more than once, use @babel/polyfill/noConflict " + "instead to bypass the warning.");
 }
+
 global._babelPolyfill = true;
-
-var DEFINE_PROPERTY = "defineProperty";
-function define(O, key, value) {
-  O[key] || Object[DEFINE_PROPERTY](O, key, {
-    writable: true,
-    configurable: true,
-    value: value
-  });
-}
-
-define(String.prototype, "padLeft", "".padStart);
-define(String.prototype, "padRight", "".padEnd);
-
-"pop,reverse,shift,keys,values,entries,indexOf,every,some,forEach,map,filter,find,findIndex,includes,join,slice,concat,push,splice,unshift,sort,lastIndexOf,reduce,reduceRight,copyWithin,fill".split(",").forEach(function (key) {
-  [][key] && define(Array, key, Function.call.bind([][key]));
-});
 }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"2":2,"327":327,"328":328}],2:[function(_dereq_,module,exports){
+},{"10":10,"2":2,"275":275,"276":276,"3":3,"4":4,"5":5,"6":6,"7":7,"8":8,"9":9}],2:[function(_dereq_,module,exports){
+_dereq_(250);
+_dereq_(187);
+_dereq_(189);
+_dereq_(188);
+_dereq_(191);
+_dereq_(193);
+_dereq_(198);
+_dereq_(192);
+_dereq_(190);
+_dereq_(200);
+_dereq_(199);
+_dereq_(195);
+_dereq_(196);
+_dereq_(194);
+_dereq_(186);
+_dereq_(197);
+_dereq_(201);
+_dereq_(202);
+_dereq_(153);
+_dereq_(155);
+_dereq_(154);
+_dereq_(204);
+_dereq_(203);
+_dereq_(174);
+_dereq_(184);
+_dereq_(185);
+_dereq_(175);
+_dereq_(176);
+_dereq_(177);
+_dereq_(178);
+_dereq_(179);
+_dereq_(180);
+_dereq_(181);
+_dereq_(182);
+_dereq_(183);
+_dereq_(157);
+_dereq_(158);
+_dereq_(159);
+_dereq_(160);
+_dereq_(161);
+_dereq_(162);
+_dereq_(163);
+_dereq_(164);
+_dereq_(165);
+_dereq_(166);
+_dereq_(167);
+_dereq_(168);
+_dereq_(169);
+_dereq_(170);
+_dereq_(171);
+_dereq_(172);
+_dereq_(173);
+_dereq_(237);
+_dereq_(242);
+_dereq_(249);
+_dereq_(240);
+_dereq_(232);
+_dereq_(233);
+_dereq_(238);
+_dereq_(243);
+_dereq_(245);
+_dereq_(228);
+_dereq_(229);
+_dereq_(230);
+_dereq_(231);
+_dereq_(234);
+_dereq_(235);
+_dereq_(236);
+_dereq_(239);
+_dereq_(241);
+_dereq_(244);
+_dereq_(246);
+_dereq_(247);
+_dereq_(248);
+_dereq_(148);
+_dereq_(150);
+_dereq_(149);
+_dereq_(152);
+_dereq_(151);
+_dereq_(136);
+_dereq_(134);
+_dereq_(141);
+_dereq_(138);
+_dereq_(144);
+_dereq_(146);
+_dereq_(133);
+_dereq_(140);
 _dereq_(130);
-module.exports = _dereq_(23).RegExp.escape;
+_dereq_(145);
+_dereq_(128);
+_dereq_(143);
+_dereq_(142);
+_dereq_(135);
+_dereq_(139);
+_dereq_(127);
+_dereq_(129);
+_dereq_(132);
+_dereq_(131);
+_dereq_(147);
+_dereq_(137);
+_dereq_(220);
+_dereq_(226);
+_dereq_(221);
+_dereq_(222);
+_dereq_(223);
+_dereq_(224);
+_dereq_(225);
+_dereq_(205);
+_dereq_(156);
+_dereq_(227);
+_dereq_(262);
+_dereq_(263);
+_dereq_(251);
+_dereq_(252);
+_dereq_(257);
+_dereq_(260);
+_dereq_(261);
+_dereq_(255);
+_dereq_(258);
+_dereq_(256);
+_dereq_(259);
+_dereq_(253);
+_dereq_(254);
+_dereq_(206);
+_dereq_(207);
+_dereq_(208);
+_dereq_(209);
+_dereq_(210);
+_dereq_(213);
+_dereq_(211);
+_dereq_(212);
+_dereq_(214);
+_dereq_(215);
+_dereq_(216);
+_dereq_(217);
+_dereq_(219);
+_dereq_(218);
+module.exports = _dereq_(29);
 
-},{"130":130,"23":23}],3:[function(_dereq_,module,exports){
+},{"127":127,"128":128,"129":129,"130":130,"131":131,"132":132,"133":133,"134":134,"135":135,"136":136,"137":137,"138":138,"139":139,"140":140,"141":141,"142":142,"143":143,"144":144,"145":145,"146":146,"147":147,"148":148,"149":149,"150":150,"151":151,"152":152,"153":153,"154":154,"155":155,"156":156,"157":157,"158":158,"159":159,"160":160,"161":161,"162":162,"163":163,"164":164,"165":165,"166":166,"167":167,"168":168,"169":169,"170":170,"171":171,"172":172,"173":173,"174":174,"175":175,"176":176,"177":177,"178":178,"179":179,"180":180,"181":181,"182":182,"183":183,"184":184,"185":185,"186":186,"187":187,"188":188,"189":189,"190":190,"191":191,"192":192,"193":193,"194":194,"195":195,"196":196,"197":197,"198":198,"199":199,"200":200,"201":201,"202":202,"203":203,"204":204,"205":205,"206":206,"207":207,"208":208,"209":209,"210":210,"211":211,"212":212,"213":213,"214":214,"215":215,"216":216,"217":217,"218":218,"219":219,"220":220,"221":221,"222":222,"223":223,"224":224,"225":225,"226":226,"227":227,"228":228,"229":229,"230":230,"231":231,"232":232,"233":233,"234":234,"235":235,"236":236,"237":237,"238":238,"239":239,"240":240,"241":241,"242":242,"243":243,"244":244,"245":245,"246":246,"247":247,"248":248,"249":249,"250":250,"251":251,"252":252,"253":253,"254":254,"255":255,"256":256,"257":257,"258":258,"259":259,"260":260,"261":261,"262":262,"263":263,"29":29}],3:[function(_dereq_,module,exports){
+_dereq_(264);
+module.exports = _dereq_(29).Array.includes;
+
+},{"264":264,"29":29}],4:[function(_dereq_,module,exports){
+_dereq_(265);
+module.exports = _dereq_(29).Object.entries;
+
+},{"265":265,"29":29}],5:[function(_dereq_,module,exports){
+_dereq_(266);
+module.exports = _dereq_(29).Object.getOwnPropertyDescriptors;
+
+},{"266":266,"29":29}],6:[function(_dereq_,module,exports){
+_dereq_(267);
+module.exports = _dereq_(29).Object.values;
+
+},{"267":267,"29":29}],7:[function(_dereq_,module,exports){
+'use strict';
+_dereq_(205);
+_dereq_(268);
+module.exports = _dereq_(29).Promise['finally'];
+
+},{"205":205,"268":268,"29":29}],8:[function(_dereq_,module,exports){
+_dereq_(269);
+module.exports = _dereq_(29).String.padEnd;
+
+},{"269":269,"29":29}],9:[function(_dereq_,module,exports){
+_dereq_(270);
+module.exports = _dereq_(29).String.padStart;
+
+},{"270":270,"29":29}],10:[function(_dereq_,module,exports){
+_dereq_(271);
+module.exports = _dereq_(124).f('asyncIterator');
+
+},{"124":124,"271":271}],11:[function(_dereq_,module,exports){
 module.exports = function (it) {
   if (typeof it != 'function') throw TypeError(it + ' is not a function!');
   return it;
 };
 
-},{}],4:[function(_dereq_,module,exports){
-var cof = _dereq_(18);
+},{}],12:[function(_dereq_,module,exports){
+var cof = _dereq_(25);
 module.exports = function (it, msg) {
   if (typeof it != 'number' && cof(it) != 'Number') throw TypeError(msg);
   return +it;
 };
 
-},{"18":18}],5:[function(_dereq_,module,exports){
+},{"25":25}],13:[function(_dereq_,module,exports){
 // 22.1.3.31 Array.prototype[@@unscopables]
-var UNSCOPABLES = _dereq_(128)('unscopables');
+var UNSCOPABLES = _dereq_(125)('unscopables');
 var ArrayProto = Array.prototype;
-if (ArrayProto[UNSCOPABLES] == undefined) _dereq_(42)(ArrayProto, UNSCOPABLES, {});
+if (ArrayProto[UNSCOPABLES] == undefined) _dereq_(47)(ArrayProto, UNSCOPABLES, {});
 module.exports = function (key) {
   ArrayProto[UNSCOPABLES][key] = true;
 };
 
-},{"128":128,"42":42}],6:[function(_dereq_,module,exports){
+},{"125":125,"47":47}],14:[function(_dereq_,module,exports){
 module.exports = function (it, Constructor, name, forbiddenField) {
   if (!(it instanceof Constructor) || (forbiddenField !== undefined && forbiddenField in it)) {
     throw TypeError(name + ': incorrect invocation!');
   } return it;
 };
 
-},{}],7:[function(_dereq_,module,exports){
-var isObject = _dereq_(51);
+},{}],15:[function(_dereq_,module,exports){
+var isObject = _dereq_(56);
 module.exports = function (it) {
   if (!isObject(it)) throw TypeError(it + ' is not an object!');
   return it;
 };
 
-},{"51":51}],8:[function(_dereq_,module,exports){
+},{"56":56}],16:[function(_dereq_,module,exports){
 // 22.1.3.3 Array.prototype.copyWithin(target, start, end = this.length)
 'use strict';
-var toObject = _dereq_(119);
-var toAbsoluteIndex = _dereq_(114);
-var toLength = _dereq_(118);
+var toObject = _dereq_(115);
+var toAbsoluteIndex = _dereq_(110);
+var toLength = _dereq_(114);
 
 module.exports = [].copyWithin || function copyWithin(target /* = 0 */, start /* = 0, end = @length */) {
   var O = toObject(this);
@@ -97,12 +268,12 @@ module.exports = [].copyWithin || function copyWithin(target /* = 0 */, start /*
   } return O;
 };
 
-},{"114":114,"118":118,"119":119}],9:[function(_dereq_,module,exports){
+},{"110":110,"114":114,"115":115}],17:[function(_dereq_,module,exports){
 // 22.1.3.6 Array.prototype.fill(value, start = 0, end = this.length)
 'use strict';
-var toObject = _dereq_(119);
-var toAbsoluteIndex = _dereq_(114);
-var toLength = _dereq_(118);
+var toObject = _dereq_(115);
+var toAbsoluteIndex = _dereq_(110);
+var toLength = _dereq_(114);
 module.exports = function fill(value /* , start = 0, end = @length */) {
   var O = toObject(this);
   var length = toLength(O.length);
@@ -114,21 +285,12 @@ module.exports = function fill(value /* , start = 0, end = @length */) {
   return O;
 };
 
-},{"114":114,"118":118,"119":119}],10:[function(_dereq_,module,exports){
-var forOf = _dereq_(39);
-
-module.exports = function (iter, ITERATOR) {
-  var result = [];
-  forOf(iter, false, result.push, result, ITERATOR);
-  return result;
-};
-
-},{"39":39}],11:[function(_dereq_,module,exports){
+},{"110":110,"114":114,"115":115}],18:[function(_dereq_,module,exports){
 // false -> Array#indexOf
 // true  -> Array#includes
-var toIObject = _dereq_(117);
-var toLength = _dereq_(118);
-var toAbsoluteIndex = _dereq_(114);
+var toIObject = _dereq_(113);
+var toLength = _dereq_(114);
+var toAbsoluteIndex = _dereq_(110);
 module.exports = function (IS_INCLUDES) {
   return function ($this, el, fromIndex) {
     var O = toIObject($this);
@@ -148,7 +310,7 @@ module.exports = function (IS_INCLUDES) {
   };
 };
 
-},{"114":114,"117":117,"118":118}],12:[function(_dereq_,module,exports){
+},{"110":110,"113":113,"114":114}],19:[function(_dereq_,module,exports){
 // 0 -> Array#forEach
 // 1 -> Array#map
 // 2 -> Array#filter
@@ -156,11 +318,11 @@ module.exports = function (IS_INCLUDES) {
 // 4 -> Array#every
 // 5 -> Array#find
 // 6 -> Array#findIndex
-var ctx = _dereq_(25);
-var IObject = _dereq_(47);
-var toObject = _dereq_(119);
-var toLength = _dereq_(118);
-var asc = _dereq_(15);
+var ctx = _dereq_(31);
+var IObject = _dereq_(52);
+var toObject = _dereq_(115);
+var toLength = _dereq_(114);
+var asc = _dereq_(22);
 module.exports = function (TYPE, $create) {
   var IS_MAP = TYPE == 1;
   var IS_FILTER = TYPE == 2;
@@ -194,11 +356,11 @@ module.exports = function (TYPE, $create) {
   };
 };
 
-},{"118":118,"119":119,"15":15,"25":25,"47":47}],13:[function(_dereq_,module,exports){
-var aFunction = _dereq_(3);
-var toObject = _dereq_(119);
-var IObject = _dereq_(47);
-var toLength = _dereq_(118);
+},{"114":114,"115":115,"22":22,"31":31,"52":52}],20:[function(_dereq_,module,exports){
+var aFunction = _dereq_(11);
+var toObject = _dereq_(115);
+var IObject = _dereq_(52);
+var toLength = _dereq_(114);
 
 module.exports = function (that, callbackfn, aLen, memo, isRight) {
   aFunction(callbackfn);
@@ -224,10 +386,10 @@ module.exports = function (that, callbackfn, aLen, memo, isRight) {
   return memo;
 };
 
-},{"118":118,"119":119,"3":3,"47":47}],14:[function(_dereq_,module,exports){
-var isObject = _dereq_(51);
-var isArray = _dereq_(49);
-var SPECIES = _dereq_(128)('species');
+},{"11":11,"114":114,"115":115,"52":52}],21:[function(_dereq_,module,exports){
+var isObject = _dereq_(56);
+var isArray = _dereq_(54);
+var SPECIES = _dereq_(125)('species');
 
 module.exports = function (original) {
   var C;
@@ -242,19 +404,19 @@ module.exports = function (original) {
   } return C === undefined ? Array : C;
 };
 
-},{"128":128,"49":49,"51":51}],15:[function(_dereq_,module,exports){
+},{"125":125,"54":54,"56":56}],22:[function(_dereq_,module,exports){
 // 9.4.2.3 ArraySpeciesCreate(originalArray, length)
-var speciesConstructor = _dereq_(14);
+var speciesConstructor = _dereq_(21);
 
 module.exports = function (original, length) {
   return new (speciesConstructor(original))(length);
 };
 
-},{"14":14}],16:[function(_dereq_,module,exports){
+},{"21":21}],23:[function(_dereq_,module,exports){
 'use strict';
-var aFunction = _dereq_(3);
-var isObject = _dereq_(51);
-var invoke = _dereq_(46);
+var aFunction = _dereq_(11);
+var isObject = _dereq_(56);
+var invoke = _dereq_(51);
 var arraySlice = [].slice;
 var factories = {};
 
@@ -277,10 +439,10 @@ module.exports = Function.bind || function bind(that /* , ...args */) {
   return bound;
 };
 
-},{"3":3,"46":46,"51":51}],17:[function(_dereq_,module,exports){
+},{"11":11,"51":51,"56":56}],24:[function(_dereq_,module,exports){
 // getting tag from 19.1.3.6 Object.prototype.toString()
-var cof = _dereq_(18);
-var TAG = _dereq_(128)('toStringTag');
+var cof = _dereq_(25);
+var TAG = _dereq_(125)('toStringTag');
 // ES3 wrong here
 var ARG = cof(function () { return arguments; }()) == 'Arguments';
 
@@ -302,27 +464,27 @@ module.exports = function (it) {
     : (B = cof(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : B;
 };
 
-},{"128":128,"18":18}],18:[function(_dereq_,module,exports){
+},{"125":125,"25":25}],25:[function(_dereq_,module,exports){
 var toString = {}.toString;
 
 module.exports = function (it) {
   return toString.call(it).slice(8, -1);
 };
 
-},{}],19:[function(_dereq_,module,exports){
+},{}],26:[function(_dereq_,module,exports){
 'use strict';
-var dP = _dereq_(72).f;
-var create = _dereq_(71);
-var redefineAll = _dereq_(93);
-var ctx = _dereq_(25);
-var anInstance = _dereq_(6);
-var forOf = _dereq_(39);
-var $iterDefine = _dereq_(55);
-var step = _dereq_(57);
-var setSpecies = _dereq_(100);
-var DESCRIPTORS = _dereq_(29);
-var fastKey = _dereq_(66).fastKey;
-var validate = _dereq_(125);
+var dP = _dereq_(74).f;
+var create = _dereq_(73);
+var redefineAll = _dereq_(92);
+var ctx = _dereq_(31);
+var anInstance = _dereq_(14);
+var forOf = _dereq_(44);
+var $iterDefine = _dereq_(60);
+var step = _dereq_(62);
+var setSpecies = _dereq_(96);
+var DESCRIPTORS = _dereq_(35);
+var fastKey = _dereq_(69).fastKey;
+var validate = _dereq_(122);
 var SIZE = DESCRIPTORS ? '_s' : 'size';
 
 var getEntry = function (that, key) {
@@ -455,28 +617,17 @@ module.exports = {
   }
 };
 
-},{"100":100,"125":125,"25":25,"29":29,"39":39,"55":55,"57":57,"6":6,"66":66,"71":71,"72":72,"93":93}],20:[function(_dereq_,module,exports){
-// https://github.com/DavidBruant/Map-Set.prototype.toJSON
-var classof = _dereq_(17);
-var from = _dereq_(10);
-module.exports = function (NAME) {
-  return function toJSON() {
-    if (classof(this) != NAME) throw TypeError(NAME + "#toJSON isn't generic");
-    return from(this);
-  };
-};
-
-},{"10":10,"17":17}],21:[function(_dereq_,module,exports){
+},{"122":122,"14":14,"31":31,"35":35,"44":44,"60":60,"62":62,"69":69,"73":73,"74":74,"92":92,"96":96}],27:[function(_dereq_,module,exports){
 'use strict';
-var redefineAll = _dereq_(93);
-var getWeak = _dereq_(66).getWeak;
-var anObject = _dereq_(7);
-var isObject = _dereq_(51);
-var anInstance = _dereq_(6);
-var forOf = _dereq_(39);
-var createArrayMethod = _dereq_(12);
-var $has = _dereq_(41);
-var validate = _dereq_(125);
+var redefineAll = _dereq_(92);
+var getWeak = _dereq_(69).getWeak;
+var anObject = _dereq_(15);
+var isObject = _dereq_(56);
+var anInstance = _dereq_(14);
+var forOf = _dereq_(44);
+var createArrayMethod = _dereq_(19);
+var $has = _dereq_(46);
+var validate = _dereq_(122);
 var arrayFind = createArrayMethod(5);
 var arrayFindIndex = createArrayMethod(6);
 var id = 0;
@@ -553,20 +704,20 @@ module.exports = {
   ufstore: uncaughtFrozenStore
 };
 
-},{"12":12,"125":125,"39":39,"41":41,"51":51,"6":6,"66":66,"7":7,"93":93}],22:[function(_dereq_,module,exports){
+},{"122":122,"14":14,"15":15,"19":19,"44":44,"46":46,"56":56,"69":69,"92":92}],28:[function(_dereq_,module,exports){
 'use strict';
-var global = _dereq_(40);
-var $export = _dereq_(33);
-var redefine = _dereq_(94);
-var redefineAll = _dereq_(93);
-var meta = _dereq_(66);
-var forOf = _dereq_(39);
-var anInstance = _dereq_(6);
-var isObject = _dereq_(51);
-var fails = _dereq_(35);
-var $iterDetect = _dereq_(56);
-var setToStringTag = _dereq_(101);
-var inheritIfRequired = _dereq_(45);
+var global = _dereq_(45);
+var $export = _dereq_(39);
+var redefine = _dereq_(93);
+var redefineAll = _dereq_(92);
+var meta = _dereq_(69);
+var forOf = _dereq_(44);
+var anInstance = _dereq_(14);
+var isObject = _dereq_(56);
+var fails = _dereq_(41);
+var $iterDetect = _dereq_(61);
+var setToStringTag = _dereq_(97);
+var inheritIfRequired = _dereq_(50);
 
 module.exports = function (NAME, wrapper, methods, common, IS_MAP, IS_WEAK) {
   var Base = global[NAME];
@@ -640,23 +791,23 @@ module.exports = function (NAME, wrapper, methods, common, IS_MAP, IS_WEAK) {
   return C;
 };
 
-},{"101":101,"33":33,"35":35,"39":39,"40":40,"45":45,"51":51,"56":56,"6":6,"66":66,"93":93,"94":94}],23:[function(_dereq_,module,exports){
-var core = module.exports = { version: '2.5.0' };
+},{"14":14,"39":39,"41":41,"44":44,"45":45,"50":50,"56":56,"61":61,"69":69,"92":92,"93":93,"97":97}],29:[function(_dereq_,module,exports){
+var core = module.exports = { version: '2.5.7' };
 if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef
 
-},{}],24:[function(_dereq_,module,exports){
+},{}],30:[function(_dereq_,module,exports){
 'use strict';
-var $defineProperty = _dereq_(72);
-var createDesc = _dereq_(92);
+var $defineProperty = _dereq_(74);
+var createDesc = _dereq_(91);
 
 module.exports = function (object, index, value) {
   if (index in object) $defineProperty.f(object, index, createDesc(0, value));
   else object[index] = value;
 };
 
-},{"72":72,"92":92}],25:[function(_dereq_,module,exports){
+},{"74":74,"91":91}],31:[function(_dereq_,module,exports){
 // optional / simple context binding
-var aFunction = _dereq_(3);
+var aFunction = _dereq_(11);
 module.exports = function (fn, that, length) {
   aFunction(fn);
   if (that === undefined) return fn;
@@ -676,10 +827,10 @@ module.exports = function (fn, that, length) {
   };
 };
 
-},{"3":3}],26:[function(_dereq_,module,exports){
+},{"11":11}],32:[function(_dereq_,module,exports){
 'use strict';
 // 20.3.4.36 / 15.9.5.43 Date.prototype.toISOString()
-var fails = _dereq_(35);
+var fails = _dereq_(41);
 var getTime = Date.prototype.getTime;
 var $toISOString = Date.prototype.toISOString;
 
@@ -704,10 +855,10 @@ module.exports = (fails(function () {
     ':' + lz(d.getUTCSeconds()) + '.' + (m > 99 ? m : '0' + lz(m)) + 'Z';
 } : $toISOString;
 
-},{"35":35}],27:[function(_dereq_,module,exports){
+},{"41":41}],33:[function(_dereq_,module,exports){
 'use strict';
-var anObject = _dereq_(7);
-var toPrimitive = _dereq_(120);
+var anObject = _dereq_(15);
+var toPrimitive = _dereq_(116);
 var NUMBER = 'number';
 
 module.exports = function (hint) {
@@ -715,39 +866,39 @@ module.exports = function (hint) {
   return toPrimitive(anObject(this), hint != NUMBER);
 };
 
-},{"120":120,"7":7}],28:[function(_dereq_,module,exports){
+},{"116":116,"15":15}],34:[function(_dereq_,module,exports){
 // 7.2.1 RequireObjectCoercible(argument)
 module.exports = function (it) {
   if (it == undefined) throw TypeError("Can't call method on  " + it);
   return it;
 };
 
-},{}],29:[function(_dereq_,module,exports){
+},{}],35:[function(_dereq_,module,exports){
 // Thank's IE8 for his funny defineProperty
-module.exports = !_dereq_(35)(function () {
+module.exports = !_dereq_(41)(function () {
   return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;
 });
 
-},{"35":35}],30:[function(_dereq_,module,exports){
-var isObject = _dereq_(51);
-var document = _dereq_(40).document;
+},{"41":41}],36:[function(_dereq_,module,exports){
+var isObject = _dereq_(56);
+var document = _dereq_(45).document;
 // typeof document.createElement is 'object' in old IE
 var is = isObject(document) && isObject(document.createElement);
 module.exports = function (it) {
   return is ? document.createElement(it) : {};
 };
 
-},{"40":40,"51":51}],31:[function(_dereq_,module,exports){
+},{"45":45,"56":56}],37:[function(_dereq_,module,exports){
 // IE 8- don't enum bug keys
 module.exports = (
   'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'
 ).split(',');
 
-},{}],32:[function(_dereq_,module,exports){
+},{}],38:[function(_dereq_,module,exports){
 // all enumerable object keys, includes symbols
-var getKeys = _dereq_(81);
-var gOPS = _dereq_(78);
-var pIE = _dereq_(82);
+var getKeys = _dereq_(82);
+var gOPS = _dereq_(79);
+var pIE = _dereq_(83);
 module.exports = function (it) {
   var result = getKeys(it);
   var getSymbols = gOPS.f;
@@ -760,12 +911,12 @@ module.exports = function (it) {
   } return result;
 };
 
-},{"78":78,"81":81,"82":82}],33:[function(_dereq_,module,exports){
-var global = _dereq_(40);
-var core = _dereq_(23);
-var hide = _dereq_(42);
-var redefine = _dereq_(94);
-var ctx = _dereq_(25);
+},{"79":79,"82":82,"83":83}],39:[function(_dereq_,module,exports){
+var global = _dereq_(45);
+var core = _dereq_(29);
+var hide = _dereq_(47);
+var redefine = _dereq_(93);
+var ctx = _dereq_(31);
 var PROTOTYPE = 'prototype';
 
 var $export = function (type, name, source) {
@@ -805,8 +956,8 @@ $export.U = 64;  // safe
 $export.R = 128; // real proto method for `library`
 module.exports = $export;
 
-},{"23":23,"25":25,"40":40,"42":42,"94":94}],34:[function(_dereq_,module,exports){
-var MATCH = _dereq_(128)('match');
+},{"29":29,"31":31,"45":45,"47":47,"93":93}],40:[function(_dereq_,module,exports){
+var MATCH = _dereq_(125)('match');
 module.exports = function (KEY) {
   var re = /./;
   try {
@@ -819,7 +970,7 @@ module.exports = function (KEY) {
   } return true;
 };
 
-},{"128":128}],35:[function(_dereq_,module,exports){
+},{"125":125}],41:[function(_dereq_,module,exports){
 module.exports = function (exec) {
   try {
     return !!exec();
@@ -828,13 +979,13 @@ module.exports = function (exec) {
   }
 };
 
-},{}],36:[function(_dereq_,module,exports){
+},{}],42:[function(_dereq_,module,exports){
 'use strict';
-var hide = _dereq_(42);
-var redefine = _dereq_(94);
-var fails = _dereq_(35);
-var defined = _dereq_(28);
-var wks = _dereq_(128);
+var hide = _dereq_(47);
+var redefine = _dereq_(93);
+var fails = _dereq_(41);
+var defined = _dereq_(34);
+var wks = _dereq_(125);
 
 module.exports = function (KEY, length, exec) {
   var SYMBOL = wks(KEY);
@@ -858,10 +1009,10 @@ module.exports = function (KEY, length, exec) {
   }
 };
 
-},{"128":128,"28":28,"35":35,"42":42,"94":94}],37:[function(_dereq_,module,exports){
+},{"125":125,"34":34,"41":41,"47":47,"93":93}],43:[function(_dereq_,module,exports){
 'use strict';
 // 21.2.5.3 get RegExp.prototype.flags
-var anObject = _dereq_(7);
+var anObject = _dereq_(15);
 module.exports = function () {
   var that = anObject(this);
   var result = '';
@@ -873,54 +1024,13 @@ module.exports = function () {
   return result;
 };
 
-},{"7":7}],38:[function(_dereq_,module,exports){
-'use strict';
-// https://tc39.github.io/proposal-flatMap/#sec-FlattenIntoArray
-var isArray = _dereq_(49);
-var isObject = _dereq_(51);
-var toLength = _dereq_(118);
-var ctx = _dereq_(25);
-var IS_CONCAT_SPREADABLE = _dereq_(128)('isConcatSpreadable');
-
-function flattenIntoArray(target, original, source, sourceLen, start, depth, mapper, thisArg) {
-  var targetIndex = start;
-  var sourceIndex = 0;
-  var mapFn = mapper ? ctx(mapper, thisArg, 3) : false;
-  var element, spreadable;
-
-  while (sourceIndex < sourceLen) {
-    if (sourceIndex in source) {
-      element = mapFn ? mapFn(source[sourceIndex], sourceIndex, original) : source[sourceIndex];
-
-      spreadable = false;
-      if (isObject(element)) {
-        spreadable = element[IS_CONCAT_SPREADABLE];
-        spreadable = spreadable !== undefined ? !!spreadable : isArray(element);
-      }
-
-      if (spreadable && depth > 0) {
-        targetIndex = flattenIntoArray(target, original, element, toLength(element.length), targetIndex, depth - 1) - 1;
-      } else {
-        if (targetIndex >= 0x1fffffffffffff) throw TypeError();
-        target[targetIndex] = element;
-      }
-
-      targetIndex++;
-    }
-    sourceIndex++;
-  }
-  return targetIndex;
-}
-
-module.exports = flattenIntoArray;
-
-},{"118":118,"128":128,"25":25,"49":49,"51":51}],39:[function(_dereq_,module,exports){
-var ctx = _dereq_(25);
-var call = _dereq_(53);
-var isArrayIter = _dereq_(48);
-var anObject = _dereq_(7);
-var toLength = _dereq_(118);
-var getIterFn = _dereq_(129);
+},{"15":15}],44:[function(_dereq_,module,exports){
+var ctx = _dereq_(31);
+var call = _dereq_(58);
+var isArrayIter = _dereq_(53);
+var anObject = _dereq_(15);
+var toLength = _dereq_(114);
+var getIterFn = _dereq_(126);
 var BREAK = {};
 var RETURN = {};
 var exports = module.exports = function (iterable, entries, fn, that, ITERATOR) {
@@ -941,7 +1051,7 @@ var exports = module.exports = function (iterable, entries, fn, that, ITERATOR)
 exports.BREAK = BREAK;
 exports.RETURN = RETURN;
 
-},{"118":118,"129":129,"25":25,"48":48,"53":53,"7":7}],40:[function(_dereq_,module,exports){
+},{"114":114,"126":126,"15":15,"31":31,"53":53,"58":58}],45:[function(_dereq_,module,exports){
 // https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
 var global = module.exports = typeof window != 'undefined' && window.Math == Math
   ? window : typeof self != 'undefined' && self.Math == Math ? self
@@ -949,34 +1059,34 @@ var global = module.exports = typeof window != 'undefined' && window.Math == Mat
   : Function('return this')();
 if (typeof __g == 'number') __g = global; // eslint-disable-line no-undef
 
-},{}],41:[function(_dereq_,module,exports){
+},{}],46:[function(_dereq_,module,exports){
 var hasOwnProperty = {}.hasOwnProperty;
 module.exports = function (it, key) {
   return hasOwnProperty.call(it, key);
 };
 
-},{}],42:[function(_dereq_,module,exports){
-var dP = _dereq_(72);
-var createDesc = _dereq_(92);
-module.exports = _dereq_(29) ? function (object, key, value) {
+},{}],47:[function(_dereq_,module,exports){
+var dP = _dereq_(74);
+var createDesc = _dereq_(91);
+module.exports = _dereq_(35) ? function (object, key, value) {
   return dP.f(object, key, createDesc(1, value));
 } : function (object, key, value) {
   object[key] = value;
   return object;
 };
 
-},{"29":29,"72":72,"92":92}],43:[function(_dereq_,module,exports){
-var document = _dereq_(40).document;
+},{"35":35,"74":74,"91":91}],48:[function(_dereq_,module,exports){
+var document = _dereq_(45).document;
 module.exports = document && document.documentElement;
 
-},{"40":40}],44:[function(_dereq_,module,exports){
-module.exports = !_dereq_(29) && !_dereq_(35)(function () {
-  return Object.defineProperty(_dereq_(30)('div'), 'a', { get: function () { return 7; } }).a != 7;
+},{"45":45}],49:[function(_dereq_,module,exports){
+module.exports = !_dereq_(35) && !_dereq_(41)(function () {
+  return Object.defineProperty(_dereq_(36)('div'), 'a', { get: function () { return 7; } }).a != 7;
 });
 
-},{"29":29,"30":30,"35":35}],45:[function(_dereq_,module,exports){
-var isObject = _dereq_(51);
-var setPrototypeOf = _dereq_(99).set;
+},{"35":35,"36":36,"41":41}],50:[function(_dereq_,module,exports){
+var isObject = _dereq_(56);
+var setPrototypeOf = _dereq_(95).set;
 module.exports = function (that, target, C) {
   var S = target.constructor;
   var P;
@@ -985,7 +1095,7 @@ module.exports = function (that, target, C) {
   } return that;
 };
 
-},{"51":51,"99":99}],46:[function(_dereq_,module,exports){
+},{"56":56,"95":95}],51:[function(_dereq_,module,exports){
 // fast apply, http://jsperf.lnkit.com/fast-apply/5
 module.exports = function (fn, args, that) {
   var un = that === undefined;
@@ -1003,57 +1113,57 @@ module.exports = function (fn, args, that) {
   } return fn.apply(that, args);
 };
 
-},{}],47:[function(_dereq_,module,exports){
+},{}],52:[function(_dereq_,module,exports){
 // fallback for non-array-like ES3 and non-enumerable old V8 strings
-var cof = _dereq_(18);
+var cof = _dereq_(25);
 // eslint-disable-next-line no-prototype-builtins
 module.exports = Object('z').propertyIsEnumerable(0) ? Object : function (it) {
   return cof(it) == 'String' ? it.split('') : Object(it);
 };
 
-},{"18":18}],48:[function(_dereq_,module,exports){
+},{"25":25}],53:[function(_dereq_,module,exports){
 // check on default Array iterator
-var Iterators = _dereq_(58);
-var ITERATOR = _dereq_(128)('iterator');
+var Iterators = _dereq_(63);
+var ITERATOR = _dereq_(125)('iterator');
 var ArrayProto = Array.prototype;
 
 module.exports = function (it) {
   return it !== undefined && (Iterators.Array === it || ArrayProto[ITERATOR] === it);
 };
 
-},{"128":128,"58":58}],49:[function(_dereq_,module,exports){
+},{"125":125,"63":63}],54:[function(_dereq_,module,exports){
 // 7.2.2 IsArray(argument)
-var cof = _dereq_(18);
+var cof = _dereq_(25);
 module.exports = Array.isArray || function isArray(arg) {
   return cof(arg) == 'Array';
 };
 
-},{"18":18}],50:[function(_dereq_,module,exports){
+},{"25":25}],55:[function(_dereq_,module,exports){
 // 20.1.2.3 Number.isInteger(number)
-var isObject = _dereq_(51);
+var isObject = _dereq_(56);
 var floor = Math.floor;
 module.exports = function isInteger(it) {
   return !isObject(it) && isFinite(it) && floor(it) === it;
 };
 
-},{"51":51}],51:[function(_dereq_,module,exports){
+},{"56":56}],56:[function(_dereq_,module,exports){
 module.exports = function (it) {
   return typeof it === 'object' ? it !== null : typeof it === 'function';
 };
 
-},{}],52:[function(_dereq_,module,exports){
+},{}],57:[function(_dereq_,module,exports){
 // 7.2.8 IsRegExp(argument)
-var isObject = _dereq_(51);
-var cof = _dereq_(18);
-var MATCH = _dereq_(128)('match');
+var isObject = _dereq_(56);
+var cof = _dereq_(25);
+var MATCH = _dereq_(125)('match');
 module.exports = function (it) {
   var isRegExp;
   return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : cof(it) == 'RegExp');
 };
 
-},{"128":128,"18":18,"51":51}],53:[function(_dereq_,module,exports){
+},{"125":125,"25":25,"56":56}],58:[function(_dereq_,module,exports){
 // call something on iterator step with safe closing on error
-var anObject = _dereq_(7);
+var anObject = _dereq_(15);
 module.exports = function (iterator, fn, value, entries) {
   try {
     return entries ? fn(anObject(value)[0], value[1]) : fn(value);
@@ -1065,33 +1175,32 @@ module.exports = function (iterator, fn, value, entries) {
   }
 };
 
-},{"7":7}],54:[function(_dereq_,module,exports){
+},{"15":15}],59:[function(_dereq_,module,exports){
 'use strict';
-var create = _dereq_(71);
-var descriptor = _dereq_(92);
-var setToStringTag = _dereq_(101);
+var create = _dereq_(73);
+var descriptor = _dereq_(91);
+var setToStringTag = _dereq_(97);
 var IteratorPrototype = {};
 
 // 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
-_dereq_(42)(IteratorPrototype, _dereq_(128)('iterator'), function () { return this; });
+_dereq_(47)(IteratorPrototype, _dereq_(125)('iterator'), function () { return this; });
 
 module.exports = function (Constructor, NAME, next) {
   Constructor.prototype = create(IteratorPrototype, { next: descriptor(1, next) });
   setToStringTag(Constructor, NAME + ' Iterator');
 };
 
-},{"101":101,"128":128,"42":42,"71":71,"92":92}],55:[function(_dereq_,module,exports){
+},{"125":125,"47":47,"73":73,"91":91,"97":97}],60:[function(_dereq_,module,exports){
 'use strict';
-var LIBRARY = _dereq_(60);
-var $export = _dereq_(33);
-var redefine = _dereq_(94);
-var hide = _dereq_(42);
-var has = _dereq_(41);
-var Iterators = _dereq_(58);
-var $iterCreate = _dereq_(54);
-var setToStringTag = _dereq_(101);
-var getPrototypeOf = _dereq_(79);
-var ITERATOR = _dereq_(128)('iterator');
+var LIBRARY = _dereq_(64);
+var $export = _dereq_(39);
+var redefine = _dereq_(93);
+var hide = _dereq_(47);
+var Iterators = _dereq_(63);
+var $iterCreate = _dereq_(59);
+var setToStringTag = _dereq_(97);
+var getPrototypeOf = _dereq_(80);
+var ITERATOR = _dereq_(125)('iterator');
 var BUGGY = !([].keys && 'next' in [].keys()); // Safari has buggy iterators w/o `next`
 var FF_ITERATOR = '@@iterator';
 var KEYS = 'keys';
@@ -1124,7 +1233,7 @@ module.exports = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCE
       // Set @@toStringTag to native iterators
       setToStringTag(IteratorPrototype, TAG, true);
       // fix for some old engines
-      if (!LIBRARY && !has(IteratorPrototype, ITERATOR)) hide(IteratorPrototype, ITERATOR, returnThis);
+      if (!LIBRARY && typeof IteratorPrototype[ITERATOR] != 'function') hide(IteratorPrototype, ITERATOR, returnThis);
     }
   }
   // fix Array#{values, @@iterator}.name in V8 / FF
@@ -1152,8 +1261,8 @@ module.exports = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCE
   return methods;
 };
 
-},{"101":101,"128":128,"33":33,"41":41,"42":42,"54":54,"58":58,"60":60,"79":79,"94":94}],56:[function(_dereq_,module,exports){
-var ITERATOR = _dereq_(128)('iterator');
+},{"125":125,"39":39,"47":47,"59":59,"63":63,"64":64,"80":80,"93":93,"97":97}],61:[function(_dereq_,module,exports){
+var ITERATOR = _dereq_(125)('iterator');
 var SAFE_CLOSING = false;
 
 try {
@@ -1176,30 +1285,18 @@ module.exports = function (exec, skipClosing) {
   return safe;
 };
 
-},{"128":128}],57:[function(_dereq_,module,exports){
+},{"125":125}],62:[function(_dereq_,module,exports){
 module.exports = function (done, value) {
   return { value: value, done: !!done };
 };
 
-},{}],58:[function(_dereq_,module,exports){
+},{}],63:[function(_dereq_,module,exports){
 module.exports = {};
 
-},{}],59:[function(_dereq_,module,exports){
-var getKeys = _dereq_(81);
-var toIObject = _dereq_(117);
-module.exports = function (object, el) {
-  var O = toIObject(object);
-  var keys = getKeys(O);
-  var length = keys.length;
-  var index = 0;
-  var key;
-  while (length > index) if (O[key = keys[index++]] === el) return key;
-};
-
-},{"117":117,"81":81}],60:[function(_dereq_,module,exports){
+},{}],64:[function(_dereq_,module,exports){
 module.exports = false;
 
-},{}],61:[function(_dereq_,module,exports){
+},{}],65:[function(_dereq_,module,exports){
 // 20.2.2.14 Math.expm1(x)
 var $expm1 = Math.expm1;
 module.exports = (!$expm1
@@ -1211,9 +1308,9 @@ module.exports = (!$expm1
   return (x = +x) == 0 ? x : x > -1e-6 && x < 1e-6 ? x + x * x / 2 : Math.exp(x) - 1;
 } : $expm1;
 
-},{}],62:[function(_dereq_,module,exports){
+},{}],66:[function(_dereq_,module,exports){
 // 20.2.2.16 Math.fround(x)
-var sign = _dereq_(65);
+var sign = _dereq_(68);
 var pow = Math.pow;
 var EPSILON = pow(2, -52);
 var EPSILON32 = pow(2, -23);
@@ -1236,49 +1333,29 @@ module.exports = Math.fround || function fround(x) {
   return $sign * result;
 };
 
-},{"65":65}],63:[function(_dereq_,module,exports){
+},{"68":68}],67:[function(_dereq_,module,exports){
 // 20.2.2.20 Math.log1p(x)
 module.exports = Math.log1p || function log1p(x) {
   return (x = +x) > -1e-8 && x < 1e-8 ? x - x * x / 2 : Math.log(1 + x);
 };
 
-},{}],64:[function(_dereq_,module,exports){
-// https://rwaldron.github.io/proposal-math-extensions/
-module.exports = Math.scale || function scale(x, inLow, inHigh, outLow, outHigh) {
-  if (
-    arguments.length === 0
-      // eslint-disable-next-line no-self-compare
-      || x != x
-      // eslint-disable-next-line no-self-compare
-      || inLow != inLow
-      // eslint-disable-next-line no-self-compare
-      || inHigh != inHigh
-      // eslint-disable-next-line no-self-compare
-      || outLow != outLow
-      // eslint-disable-next-line no-self-compare
-      || outHigh != outHigh
-  ) return NaN;
-  if (x === Infinity || x === -Infinity) return x;
-  return (x - inLow) * (outHigh - outLow) / (inHigh - inLow) + outLow;
-};
-
-},{}],65:[function(_dereq_,module,exports){
+},{}],68:[function(_dereq_,module,exports){
 // 20.2.2.28 Math.sign(x)
 module.exports = Math.sign || function sign(x) {
   // eslint-disable-next-line no-self-compare
   return (x = +x) == 0 || x != x ? x : x < 0 ? -1 : 1;
 };
 
-},{}],66:[function(_dereq_,module,exports){
-var META = _dereq_(124)('meta');
-var isObject = _dereq_(51);
-var has = _dereq_(41);
-var setDesc = _dereq_(72).f;
+},{}],69:[function(_dereq_,module,exports){
+var META = _dereq_(120)('meta');
+var isObject = _dereq_(56);
+var has = _dereq_(46);
+var setDesc = _dereq_(74).f;
 var id = 0;
 var isExtensible = Object.isExtensible || function () {
   return true;
 };
-var FREEZE = !_dereq_(35)(function () {
+var FREEZE = !_dereq_(41)(function () {
   return isExtensible(Object.preventExtensions({}));
 });
 var setMeta = function (it) {
@@ -1324,66 +1401,13 @@ var meta = module.exports = {
   onFreeze: onFreeze
 };
 
-},{"124":124,"35":35,"41":41,"51":51,"72":72}],67:[function(_dereq_,module,exports){
-var Map = _dereq_(160);
-var $export = _dereq_(33);
-var shared = _dereq_(103)('metadata');
-var store = shared.store || (shared.store = new (_dereq_(266))());
-
-var getOrCreateMetadataMap = function (target, targetKey, create) {
-  var targetMetadata = store.get(target);
-  if (!targetMetadata) {
-    if (!create) return undefined;
-    store.set(target, targetMetadata = new Map());
-  }
-  var keyMetadata = targetMetadata.get(targetKey);
-  if (!keyMetadata) {
-    if (!create) return undefined;
-    targetMetadata.set(targetKey, keyMetadata = new Map());
-  } return keyMetadata;
-};
-var ordinaryHasOwnMetadata = function (MetadataKey, O, P) {
-  var metadataMap = getOrCreateMetadataMap(O, P, false);
-  return metadataMap === undefined ? false : metadataMap.has(MetadataKey);
-};
-var ordinaryGetOwnMetadata = function (MetadataKey, O, P) {
-  var metadataMap = getOrCreateMetadataMap(O, P, false);
-  return metadataMap === undefined ? undefined : metadataMap.get(MetadataKey);
-};
-var ordinaryDefineOwnMetadata = function (MetadataKey, MetadataValue, O, P) {
-  getOrCreateMetadataMap(O, P, true).set(MetadataKey, MetadataValue);
-};
-var ordinaryOwnMetadataKeys = function (target, targetKey) {
-  var metadataMap = getOrCreateMetadataMap(target, targetKey, false);
-  var keys = [];
-  if (metadataMap) metadataMap.forEach(function (_, key) { keys.push(key); });
-  return keys;
-};
-var toMetaKey = function (it) {
-  return it === undefined || typeof it == 'symbol' ? it : String(it);
-};
-var exp = function (O) {
-  $export($export.S, 'Reflect', O);
-};
-
-module.exports = {
-  store: store,
-  map: getOrCreateMetadataMap,
-  has: ordinaryHasOwnMetadata,
-  get: ordinaryGetOwnMetadata,
-  set: ordinaryDefineOwnMetadata,
-  keys: ordinaryOwnMetadataKeys,
-  key: toMetaKey,
-  exp: exp
-};
-
-},{"103":103,"160":160,"266":266,"33":33}],68:[function(_dereq_,module,exports){
-var global = _dereq_(40);
-var macrotask = _dereq_(113).set;
+},{"120":120,"41":41,"46":46,"56":56,"74":74}],70:[function(_dereq_,module,exports){
+var global = _dereq_(45);
+var macrotask = _dereq_(109).set;
 var Observer = global.MutationObserver || global.WebKitMutationObserver;
 var process = global.process;
 var Promise = global.Promise;
-var isNode = _dereq_(18)(process) == 'process';
+var isNode = _dereq_(25)(process) == 'process';
 
 module.exports = function () {
   var head, last, notify;
@@ -1410,8 +1434,8 @@ module.exports = function () {
     notify = function () {
       process.nextTick(flush);
     };
-  // browsers with MutationObserver
-  } else if (Observer) {
+  // browsers with MutationObserver, except iOS Safari - https://github.com/zloirock/core-js/issues/339
+  } else if (Observer && !(global.navigator && global.navigator.standalone)) {
     var toggle = true;
     var node = document.createTextNode('');
     new Observer(flush).observe(node, { characterData: true }); // eslint-disable-line no-new
@@ -1420,7 +1444,8 @@ module.exports = function () {
     };
   // environments with maybe non-completely correct, but existent Promise
   } else if (Promise && Promise.resolve) {
-    var promise = Promise.resolve();
+    // Promise.resolve without an argument throws an error in LG WebOS 2
+    var promise = Promise.resolve(undefined);
     notify = function () {
       promise.then(flush);
     };
@@ -1447,10 +1472,10 @@ module.exports = function () {
   };
 };
 
-},{"113":113,"18":18,"40":40}],69:[function(_dereq_,module,exports){
+},{"109":109,"25":25,"45":45}],71:[function(_dereq_,module,exports){
 'use strict';
 // 25.4.1.5 NewPromiseCapability(C)
-var aFunction = _dereq_(3);
+var aFunction = _dereq_(11);
 
 function PromiseCapability(C) {
   var resolve, reject;
@@ -1467,18 +1492,18 @@ module.exports.f = function (C) {
   return new PromiseCapability(C);
 };
 
-},{"3":3}],70:[function(_dereq_,module,exports){
+},{"11":11}],72:[function(_dereq_,module,exports){
 'use strict';
 // 19.1.2.1 Object.assign(target, source, ...)
-var getKeys = _dereq_(81);
-var gOPS = _dereq_(78);
-var pIE = _dereq_(82);
-var toObject = _dereq_(119);
-var IObject = _dereq_(47);
+var getKeys = _dereq_(82);
+var gOPS = _dereq_(79);
+var pIE = _dereq_(83);
+var toObject = _dereq_(115);
+var IObject = _dereq_(52);
 var $assign = Object.assign;
 
 // should work with symbols and should have deterministic property order (V8 bug)
-module.exports = !$assign || _dereq_(35)(function () {
+module.exports = !$assign || _dereq_(41)(function () {
   var A = {};
   var B = {};
   // eslint-disable-next-line no-undef
@@ -1503,25 +1528,25 @@ module.exports = !$assign || _dereq_(35)(function () {
   } return T;
 } : $assign;
 
-},{"119":119,"35":35,"47":47,"78":78,"81":81,"82":82}],71:[function(_dereq_,module,exports){
+},{"115":115,"41":41,"52":52,"79":79,"82":82,"83":83}],73:[function(_dereq_,module,exports){
 // 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
-var anObject = _dereq_(7);
-var dPs = _dereq_(73);
-var enumBugKeys = _dereq_(31);
-var IE_PROTO = _dereq_(102)('IE_PROTO');
+var anObject = _dereq_(15);
+var dPs = _dereq_(75);
+var enumBugKeys = _dereq_(37);
+var IE_PROTO = _dereq_(98)('IE_PROTO');
 var Empty = function () { /* empty */ };
 var PROTOTYPE = 'prototype';
 
 // Create object with fake `null` prototype: use iframe Object with cleared prototype
 var createDict = function () {
   // Thrash, waste and sodomy: IE GC bug
-  var iframe = _dereq_(30)('iframe');
+  var iframe = _dereq_(36)('iframe');
   var i = enumBugKeys.length;
   var lt = '<';
   var gt = '>';
   var iframeDocument;
   iframe.style.display = 'none';
-  _dereq_(43).appendChild(iframe);
+  _dereq_(48).appendChild(iframe);
   iframe.src = 'javascript:'; // eslint-disable-line no-script-url
   // createDict = iframe.contentWindow.Object;
   // html.removeChild(iframe);
@@ -1546,13 +1571,13 @@ module.exports = Object.create || function create(O, Properties) {
   return Properties === undefined ? result : dPs(result, Properties);
 };
 
-},{"102":102,"30":30,"31":31,"43":43,"7":7,"73":73}],72:[function(_dereq_,module,exports){
-var anObject = _dereq_(7);
-var IE8_DOM_DEFINE = _dereq_(44);
-var toPrimitive = _dereq_(120);
+},{"15":15,"36":36,"37":37,"48":48,"75":75,"98":98}],74:[function(_dereq_,module,exports){
+var anObject = _dereq_(15);
+var IE8_DOM_DEFINE = _dereq_(49);
+var toPrimitive = _dereq_(116);
 var dP = Object.defineProperty;
 
-exports.f = _dereq_(29) ? Object.defineProperty : function defineProperty(O, P, Attributes) {
+exports.f = _dereq_(35) ? Object.defineProperty : function defineProperty(O, P, Attributes) {
   anObject(O);
   P = toPrimitive(P, true);
   anObject(Attributes);
@@ -1564,12 +1589,12 @@ exports.f = _dereq_(29) ? Object.defineProperty : function defineProperty(O, P,
   return O;
 };
 
-},{"120":120,"29":29,"44":44,"7":7}],73:[function(_dereq_,module,exports){
-var dP = _dereq_(72);
-var anObject = _dereq_(7);
-var getKeys = _dereq_(81);
+},{"116":116,"15":15,"35":35,"49":49}],75:[function(_dereq_,module,exports){
+var dP = _dereq_(74);
+var anObject = _dereq_(15);
+var getKeys = _dereq_(82);
 
-module.exports = _dereq_(29) ? Object.defineProperties : function defineProperties(O, Properties) {
+module.exports = _dereq_(35) ? Object.defineProperties : function defineProperties(O, Properties) {
   anObject(O);
   var keys = getKeys(Properties);
   var length = keys.length;
@@ -1579,27 +1604,16 @@ module.exports = _dereq_(29) ? Object.defineProperties : function defineProperti
   return O;
 };
 
-},{"29":29,"7":7,"72":72,"81":81}],74:[function(_dereq_,module,exports){
-'use strict';
-// Forced replacement prototype accessors methods
-module.exports = _dereq_(60) || !_dereq_(35)(function () {
-  var K = Math.random();
-  // In FF throws only define methods
-  // eslint-disable-next-line no-undef, no-useless-call
-  __defineSetter__.call(null, K, function () { /* empty */ });
-  delete _dereq_(40)[K];
-});
-
-},{"35":35,"40":40,"60":60}],75:[function(_dereq_,module,exports){
-var pIE = _dereq_(82);
-var createDesc = _dereq_(92);
-var toIObject = _dereq_(117);
-var toPrimitive = _dereq_(120);
-var has = _dereq_(41);
-var IE8_DOM_DEFINE = _dereq_(44);
+},{"15":15,"35":35,"74":74,"82":82}],76:[function(_dereq_,module,exports){
+var pIE = _dereq_(83);
+var createDesc = _dereq_(91);
+var toIObject = _dereq_(113);
+var toPrimitive = _dereq_(116);
+var has = _dereq_(46);
+var IE8_DOM_DEFINE = _dereq_(49);
 var gOPD = Object.getOwnPropertyDescriptor;
 
-exports.f = _dereq_(29) ? gOPD : function getOwnPropertyDescriptor(O, P) {
+exports.f = _dereq_(35) ? gOPD : function getOwnPropertyDescriptor(O, P) {
   O = toIObject(O);
   P = toPrimitive(P, true);
   if (IE8_DOM_DEFINE) try {
@@ -1608,10 +1622,10 @@ exports.f = _dereq_(29) ? gOPD : function getOwnPropertyDescriptor(O, P) {
   if (has(O, P)) return createDesc(!pIE.f.call(O, P), O[P]);
 };
 
-},{"117":117,"120":120,"29":29,"41":41,"44":44,"82":82,"92":92}],76:[function(_dereq_,module,exports){
+},{"113":113,"116":116,"35":35,"46":46,"49":49,"83":83,"91":91}],77:[function(_dereq_,module,exports){
 // fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window
-var toIObject = _dereq_(117);
-var gOPN = _dereq_(77).f;
+var toIObject = _dereq_(113);
+var gOPN = _dereq_(78).f;
 var toString = {}.toString;
 
 var windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames
@@ -1629,23 +1643,23 @@ module.exports.f = function getOwnPropertyNames(it) {
   return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : gOPN(toIObject(it));
 };
 
-},{"117":117,"77":77}],77:[function(_dereq_,module,exports){
+},{"113":113,"78":78}],78:[function(_dereq_,module,exports){
 // 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)
-var $keys = _dereq_(80);
-var hiddenKeys = _dereq_(31).concat('length', 'prototype');
+var $keys = _dereq_(81);
+var hiddenKeys = _dereq_(37).concat('length', 'prototype');
 
 exports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
   return $keys(O, hiddenKeys);
 };
 
-},{"31":31,"80":80}],78:[function(_dereq_,module,exports){
+},{"37":37,"81":81}],79:[function(_dereq_,module,exports){
 exports.f = Object.getOwnPropertySymbols;
 
-},{}],79:[function(_dereq_,module,exports){
+},{}],80:[function(_dereq_,module,exports){
 // 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)
-var has = _dereq_(41);
-var toObject = _dereq_(119);
-var IE_PROTO = _dereq_(102)('IE_PROTO');
+var has = _dereq_(46);
+var toObject = _dereq_(115);
+var IE_PROTO = _dereq_(98)('IE_PROTO');
 var ObjectProto = Object.prototype;
 
 module.exports = Object.getPrototypeOf || function (O) {
@@ -1656,11 +1670,11 @@ module.exports = Object.getPrototypeOf || function (O) {
   } return O instanceof Object ? ObjectProto : null;
 };
 
-},{"102":102,"119":119,"41":41}],80:[function(_dereq_,module,exports){
-var has = _dereq_(41);
-var toIObject = _dereq_(117);
-var arrayIndexOf = _dereq_(11)(false);
-var IE_PROTO = _dereq_(102)('IE_PROTO');
+},{"115":115,"46":46,"98":98}],81:[function(_dereq_,module,exports){
+var has = _dereq_(46);
+var toIObject = _dereq_(113);
+var arrayIndexOf = _dereq_(18)(false);
+var IE_PROTO = _dereq_(98)('IE_PROTO');
 
 module.exports = function (object, names) {
   var O = toIObject(object);
@@ -1675,23 +1689,23 @@ module.exports = function (object, names) {
   return result;
 };
 
-},{"102":102,"11":11,"117":117,"41":41}],81:[function(_dereq_,module,exports){
+},{"113":113,"18":18,"46":46,"98":98}],82:[function(_dereq_,module,exports){
 // 19.1.2.14 / 15.2.3.14 Object.keys(O)
-var $keys = _dereq_(80);
-var enumBugKeys = _dereq_(31);
+var $keys = _dereq_(81);
+var enumBugKeys = _dereq_(37);
 
 module.exports = Object.keys || function keys(O) {
   return $keys(O, enumBugKeys);
 };
 
-},{"31":31,"80":80}],82:[function(_dereq_,module,exports){
+},{"37":37,"81":81}],83:[function(_dereq_,module,exports){
 exports.f = {}.propertyIsEnumerable;
 
-},{}],83:[function(_dereq_,module,exports){
+},{}],84:[function(_dereq_,module,exports){
 // most Object methods by ES6 should accept primitives
-var $export = _dereq_(33);
-var core = _dereq_(23);
-var fails = _dereq_(35);
+var $export = _dereq_(39);
+var core = _dereq_(29);
+var fails = _dereq_(41);
 module.exports = function (KEY, exec) {
   var fn = (core.Object || {})[KEY] || Object[KEY];
   var exp = {};
@@ -1699,10 +1713,10 @@ module.exports = function (KEY, exec) {
   $export($export.S + $export.F * fails(function () { fn(1); }), 'Object', exp);
 };
 
-},{"23":23,"33":33,"35":35}],84:[function(_dereq_,module,exports){
-var getKeys = _dereq_(81);
-var toIObject = _dereq_(117);
-var isEnum = _dereq_(82).f;
+},{"29":29,"39":39,"41":41}],85:[function(_dereq_,module,exports){
+var getKeys = _dereq_(82);
+var toIObject = _dereq_(113);
+var isEnum = _dereq_(83).f;
 module.exports = function (isEntries) {
   return function (it) {
     var O = toIObject(it);
@@ -1717,32 +1731,32 @@ module.exports = function (isEntries) {
   };
 };
 
-},{"117":117,"81":81,"82":82}],85:[function(_dereq_,module,exports){
+},{"113":113,"82":82,"83":83}],86:[function(_dereq_,module,exports){
 // all object keys, includes non-enumerable and symbols
-var gOPN = _dereq_(77);
-var gOPS = _dereq_(78);
-var anObject = _dereq_(7);
-var Reflect = _dereq_(40).Reflect;
+var gOPN = _dereq_(78);
+var gOPS = _dereq_(79);
+var anObject = _dereq_(15);
+var Reflect = _dereq_(45).Reflect;
 module.exports = Reflect && Reflect.ownKeys || function ownKeys(it) {
   var keys = gOPN.f(anObject(it));
   var getSymbols = gOPS.f;
   return getSymbols ? keys.concat(getSymbols(it)) : keys;
 };
 
-},{"40":40,"7":7,"77":77,"78":78}],86:[function(_dereq_,module,exports){
-var $parseFloat = _dereq_(40).parseFloat;
-var $trim = _dereq_(111).trim;
+},{"15":15,"45":45,"78":78,"79":79}],87:[function(_dereq_,module,exports){
+var $parseFloat = _dereq_(45).parseFloat;
+var $trim = _dereq_(107).trim;
 
-module.exports = 1 / $parseFloat(_dereq_(112) + '-0') !== -Infinity ? function parseFloat(str) {
+module.exports = 1 / $parseFloat(_dereq_(108) + '-0') !== -Infinity ? function parseFloat(str) {
   var string = $trim(String(str), 3);
   var result = $parseFloat(string);
   return result === 0 && string.charAt(0) == '-' ? -0 : result;
 } : $parseFloat;
 
-},{"111":111,"112":112,"40":40}],87:[function(_dereq_,module,exports){
-var $parseInt = _dereq_(40).parseInt;
-var $trim = _dereq_(111).trim;
-var ws = _dereq_(112);
+},{"107":107,"108":108,"45":45}],88:[function(_dereq_,module,exports){
+var $parseInt = _dereq_(45).parseInt;
+var $trim = _dereq_(107).trim;
+var ws = _dereq_(108);
 var hex = /^[-+]?0[xX]/;
 
 module.exports = $parseInt(ws + '08') !== 8 || $parseInt(ws + '0x16') !== 22 ? function parseInt(str, radix) {
@@ -1750,37 +1764,7 @@ module.exports = $parseInt(ws + '08') !== 8 || $parseInt(ws + '0x16') !== 22 ? f
   return $parseInt(string, (radix >>> 0) || (hex.test(string) ? 16 : 10));
 } : $parseInt;
 
-},{"111":111,"112":112,"40":40}],88:[function(_dereq_,module,exports){
-'use strict';
-var path = _dereq_(89);
-var invoke = _dereq_(46);
-var aFunction = _dereq_(3);
-module.exports = function (/* ...pargs */) {
-  var fn = aFunction(this);
-  var length = arguments.length;
-  var pargs = Array(length);
-  var i = 0;
-  var _ = path._;
-  var holder = false;
-  while (length > i) if ((pargs[i] = arguments[i++]) === _) holder = true;
-  return function (/* ...args */) {
-    var that = this;
-    var aLen = arguments.length;
-    var j = 0;
-    var k = 0;
-    var args;
-    if (!holder && !aLen) return invoke(fn, pargs, that);
-    args = pargs.slice();
-    if (holder) for (;length > j; j++) if (args[j] === _) args[j] = arguments[k++];
-    while (aLen > k) args.push(arguments[k++]);
-    return invoke(fn, args, that);
-  };
-};
-
-},{"3":3,"46":46,"89":89}],89:[function(_dereq_,module,exports){
-module.exports = _dereq_(40);
-
-},{"40":40}],90:[function(_dereq_,module,exports){
+},{"107":107,"108":108,"45":45}],89:[function(_dereq_,module,exports){
 module.exports = function (exec) {
   try {
     return { e: false, v: exec() };
@@ -1789,17 +1773,21 @@ module.exports = function (exec) {
   }
 };
 
-},{}],91:[function(_dereq_,module,exports){
-var newPromiseCapability = _dereq_(69);
+},{}],90:[function(_dereq_,module,exports){
+var anObject = _dereq_(15);
+var isObject = _dereq_(56);
+var newPromiseCapability = _dereq_(71);
 
 module.exports = function (C, x) {
+  anObject(C);
+  if (isObject(x) && x.constructor === C) return x;
   var promiseCapability = newPromiseCapability.f(C);
   var resolve = promiseCapability.resolve;
   resolve(x);
   return promiseCapability.promise;
 };
 
-},{"69":69}],92:[function(_dereq_,module,exports){
+},{"15":15,"56":56,"71":71}],91:[function(_dereq_,module,exports){
 module.exports = function (bitmap, value) {
   return {
     enumerable: !(bitmap & 1),
@@ -1809,23 +1797,23 @@ module.exports = function (bitmap, value) {
   };
 };
 
-},{}],93:[function(_dereq_,module,exports){
-var redefine = _dereq_(94);
+},{}],92:[function(_dereq_,module,exports){
+var redefine = _dereq_(93);
 module.exports = function (target, src, safe) {
   for (var key in src) redefine(target, key, src[key], safe);
   return target;
 };
 
-},{"94":94}],94:[function(_dereq_,module,exports){
-var global = _dereq_(40);
-var hide = _dereq_(42);
-var has = _dereq_(41);
-var SRC = _dereq_(124)('src');
+},{"93":93}],93:[function(_dereq_,module,exports){
+var global = _dereq_(45);
+var hide = _dereq_(47);
+var has = _dereq_(46);
+var SRC = _dereq_(120)('src');
 var TO_STRING = 'toString';
 var $toString = Function[TO_STRING];
 var TPL = ('' + $toString).split(TO_STRING);
 
-_dereq_(23).inspectSource = function (it) {
+_dereq_(29).inspectSource = function (it) {
   return $toString.call(it);
 };
 
@@ -1849,72 +1837,18 @@ _dereq_(23).inspectSource = function (it) {
   return typeof this == 'function' && this[SRC] || $toString.call(this);
 });
 
-},{"124":124,"23":23,"40":40,"41":41,"42":42}],95:[function(_dereq_,module,exports){
-module.exports = function (regExp, replace) {
-  var replacer = replace === Object(replace) ? function (part) {
-    return replace[part];
-  } : replace;
-  return function (it) {
-    return String(it).replace(regExp, replacer);
-  };
-};
-
-},{}],96:[function(_dereq_,module,exports){
+},{"120":120,"29":29,"45":45,"46":46,"47":47}],94:[function(_dereq_,module,exports){
 // 7.2.9 SameValue(x, y)
 module.exports = Object.is || function is(x, y) {
   // eslint-disable-next-line no-self-compare
   return x === y ? x !== 0 || 1 / x === 1 / y : x != x && y != y;
 };
 
-},{}],97:[function(_dereq_,module,exports){
-'use strict';
-// https://tc39.github.io/proposal-setmap-offrom/
-var $export = _dereq_(33);
-var aFunction = _dereq_(3);
-var ctx = _dereq_(25);
-var forOf = _dereq_(39);
-
-module.exports = function (COLLECTION) {
-  $export($export.S, COLLECTION, { from: function from(source /* , mapFn, thisArg */) {
-    var mapFn = arguments[1];
-    var mapping, A, n, cb;
-    aFunction(this);
-    mapping = mapFn !== undefined;
-    if (mapping) aFunction(mapFn);
-    if (source == undefined) return new this();
-    A = [];
-    if (mapping) {
-      n = 0;
-      cb = ctx(mapFn, arguments[2], 2);
-      forOf(source, false, function (nextItem) {
-        A.push(cb(nextItem, n++));
-      });
-    } else {
-      forOf(source, false, A.push, A);
-    }
-    return new this(A);
-  } });
-};
-
-},{"25":25,"3":3,"33":33,"39":39}],98:[function(_dereq_,module,exports){
-'use strict';
-// https://tc39.github.io/proposal-setmap-offrom/
-var $export = _dereq_(33);
-
-module.exports = function (COLLECTION) {
-  $export($export.S, COLLECTION, { of: function of() {
-    var length = arguments.length;
-    var A = Array(length);
-    while (length--) A[length] = arguments[length];
-    return new this(A);
-  } });
-};
-
-},{"33":33}],99:[function(_dereq_,module,exports){
+},{}],95:[function(_dereq_,module,exports){
 // Works with __proto__ only. Old v8 can't work with null proto objects.
 /* eslint-disable no-proto */
-var isObject = _dereq_(51);
-var anObject = _dereq_(7);
+var isObject = _dereq_(56);
+var anObject = _dereq_(15);
 var check = function (O, proto) {
   anObject(O);
   if (!isObject(proto) && proto !== null) throw TypeError(proto + ": can't set as prototype!");
@@ -1923,7 +1857,7 @@ module.exports = {
   set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line
     function (test, buggy, set) {
       try {
-        set = _dereq_(25)(Function.call, _dereq_(75).f(Object.prototype, '__proto__').set, 2);
+        set = _dereq_(31)(Function.call, _dereq_(76).f(Object.prototype, '__proto__').set, 2);
         set(test, []);
         buggy = !(test instanceof Array);
       } catch (e) { buggy = true; }
@@ -1937,12 +1871,12 @@ module.exports = {
   check: check
 };
 
-},{"25":25,"51":51,"7":7,"75":75}],100:[function(_dereq_,module,exports){
+},{"15":15,"31":31,"56":56,"76":76}],96:[function(_dereq_,module,exports){
 'use strict';
-var global = _dereq_(40);
-var dP = _dereq_(72);
-var DESCRIPTORS = _dereq_(29);
-var SPECIES = _dereq_(128)('species');
+var global = _dereq_(45);
+var dP = _dereq_(74);
+var DESCRIPTORS = _dereq_(35);
+var SPECIES = _dereq_(125)('species');
 
 module.exports = function (KEY) {
   var C = global[KEY];
@@ -1952,44 +1886,50 @@ module.exports = function (KEY) {
   });
 };
 
-},{"128":128,"29":29,"40":40,"72":72}],101:[function(_dereq_,module,exports){
-var def = _dereq_(72).f;
-var has = _dereq_(41);
-var TAG = _dereq_(128)('toStringTag');
+},{"125":125,"35":35,"45":45,"74":74}],97:[function(_dereq_,module,exports){
+var def = _dereq_(74).f;
+var has = _dereq_(46);
+var TAG = _dereq_(125)('toStringTag');
 
 module.exports = function (it, tag, stat) {
   if (it && !has(it = stat ? it : it.prototype, TAG)) def(it, TAG, { configurable: true, value: tag });
 };
 
-},{"128":128,"41":41,"72":72}],102:[function(_dereq_,module,exports){
-var shared = _dereq_(103)('keys');
-var uid = _dereq_(124);
+},{"125":125,"46":46,"74":74}],98:[function(_dereq_,module,exports){
+var shared = _dereq_(99)('keys');
+var uid = _dereq_(120);
 module.exports = function (key) {
   return shared[key] || (shared[key] = uid(key));
 };
 
-},{"103":103,"124":124}],103:[function(_dereq_,module,exports){
-var global = _dereq_(40);
+},{"120":120,"99":99}],99:[function(_dereq_,module,exports){
+var core = _dereq_(29);
+var global = _dereq_(45);
 var SHARED = '__core-js_shared__';
 var store = global[SHARED] || (global[SHARED] = {});
-module.exports = function (key) {
-  return store[key] || (store[key] = {});
-};
 
-},{"40":40}],104:[function(_dereq_,module,exports){
+(module.exports = function (key, value) {
+  return store[key] || (store[key] = value !== undefined ? value : {});
+})('versions', []).push({
+  version: core.version,
+  mode: _dereq_(64) ? 'pure' : 'global',
+  copyright: '© 2018 Denis Pushkarev (zloirock.ru)'
+});
+
+},{"29":29,"45":45,"64":64}],100:[function(_dereq_,module,exports){
 // 7.3.20 SpeciesConstructor(O, defaultConstructor)
-var anObject = _dereq_(7);
-var aFunction = _dereq_(3);
-var SPECIES = _dereq_(128)('species');
+var anObject = _dereq_(15);
+var aFunction = _dereq_(11);
+var SPECIES = _dereq_(125)('species');
 module.exports = function (O, D) {
   var C = anObject(O).constructor;
   var S;
   return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? D : aFunction(S);
 };
 
-},{"128":128,"3":3,"7":7}],105:[function(_dereq_,module,exports){
+},{"11":11,"125":125,"15":15}],101:[function(_dereq_,module,exports){
 'use strict';
-var fails = _dereq_(35);
+var fails = _dereq_(41);
 
 module.exports = function (method, arg) {
   return !!method && fails(function () {
@@ -1998,9 +1938,9 @@ module.exports = function (method, arg) {
   });
 };
 
-},{"35":35}],106:[function(_dereq_,module,exports){
-var toInteger = _dereq_(116);
-var defined = _dereq_(28);
+},{"41":41}],102:[function(_dereq_,module,exports){
+var toInteger = _dereq_(112);
+var defined = _dereq_(34);
 // true  -> String#at
 // false -> String#codePointAt
 module.exports = function (TO_STRING) {
@@ -2017,20 +1957,20 @@ module.exports = function (TO_STRING) {
   };
 };
 
-},{"116":116,"28":28}],107:[function(_dereq_,module,exports){
+},{"112":112,"34":34}],103:[function(_dereq_,module,exports){
 // helper for String#{startsWith, endsWith, includes}
-var isRegExp = _dereq_(52);
-var defined = _dereq_(28);
+var isRegExp = _dereq_(57);
+var defined = _dereq_(34);
 
 module.exports = function (that, searchString, NAME) {
   if (isRegExp(searchString)) throw TypeError('String#' + NAME + " doesn't accept regex!");
   return String(defined(that));
 };
 
-},{"28":28,"52":52}],108:[function(_dereq_,module,exports){
-var $export = _dereq_(33);
-var fails = _dereq_(35);
-var defined = _dereq_(28);
+},{"34":34,"57":57}],104:[function(_dereq_,module,exports){
+var $export = _dereq_(39);
+var fails = _dereq_(41);
+var defined = _dereq_(34);
 var quot = /"/g;
 // B.2.3.2.1 CreateHTML(string, tag, attribute, value)
 var createHTML = function (string, tag, attribute, value) {
@@ -2048,11 +1988,11 @@ module.exports = function (NAME, exec) {
   }), 'String', O);
 };
 
-},{"28":28,"33":33,"35":35}],109:[function(_dereq_,module,exports){
+},{"34":34,"39":39,"41":41}],105:[function(_dereq_,module,exports){
 // https://github.com/tc39/proposal-string-pad-start-end
-var toLength = _dereq_(118);
-var repeat = _dereq_(110);
-var defined = _dereq_(28);
+var toLength = _dereq_(114);
+var repeat = _dereq_(106);
+var defined = _dereq_(34);
 
 module.exports = function (that, maxLength, fillString, left) {
   var S = String(defined(that));
@@ -2066,10 +2006,10 @@ module.exports = function (that, maxLength, fillString, left) {
   return left ? stringFiller + S : S + stringFiller;
 };
 
-},{"110":110,"118":118,"28":28}],110:[function(_dereq_,module,exports){
+},{"106":106,"114":114,"34":34}],106:[function(_dereq_,module,exports){
 'use strict';
-var toInteger = _dereq_(116);
-var defined = _dereq_(28);
+var toInteger = _dereq_(112);
+var defined = _dereq_(34);
 
 module.exports = function repeat(count) {
   var str = String(defined(this));
@@ -2080,11 +2020,11 @@ module.exports = function repeat(count) {
   return res;
 };
 
-},{"116":116,"28":28}],111:[function(_dereq_,module,exports){
-var $export = _dereq_(33);
-var defined = _dereq_(28);
-var fails = _dereq_(35);
-var spaces = _dereq_(112);
+},{"112":112,"34":34}],107:[function(_dereq_,module,exports){
+var $export = _dereq_(39);
+var defined = _dereq_(34);
+var fails = _dereq_(41);
+var spaces = _dereq_(108);
 var space = '[' + spaces + ']';
 var non = '\u200b\u0085';
 var ltrim = RegExp('^' + space + space + '*');
@@ -2112,16 +2052,16 @@ var trim = exporter.trim = function (string, TYPE) {
 
 module.exports = exporter;
 
-},{"112":112,"28":28,"33":33,"35":35}],112:[function(_dereq_,module,exports){
+},{"108":108,"34":34,"39":39,"41":41}],108:[function(_dereq_,module,exports){
 module.exports = '\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003' +
   '\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF';
 
-},{}],113:[function(_dereq_,module,exports){
-var ctx = _dereq_(25);
-var invoke = _dereq_(46);
-var html = _dereq_(43);
-var cel = _dereq_(30);
-var global = _dereq_(40);
+},{}],109:[function(_dereq_,module,exports){
+var ctx = _dereq_(31);
+var invoke = _dereq_(51);
+var html = _dereq_(48);
+var cel = _dereq_(36);
+var global = _dereq_(45);
 var process = global.process;
 var setTask = global.setImmediate;
 var clearTask = global.clearImmediate;
@@ -2160,7 +2100,7 @@ if (!setTask || !clearTask) {
     delete queue[id];
   };
   // Node.js 0.8-
-  if (_dereq_(18)(process) == 'process') {
+  if (_dereq_(25)(process) == 'process') {
     defer = function (id) {
       process.nextTick(ctx(run, id, 1));
     };
@@ -2202,8 +2142,8 @@ module.exports = {
   clear: clearTask
 };
 
-},{"18":18,"25":25,"30":30,"40":40,"43":43,"46":46}],114:[function(_dereq_,module,exports){
-var toInteger = _dereq_(116);
+},{"25":25,"31":31,"36":36,"45":45,"48":48,"51":51}],110:[function(_dereq_,module,exports){
+var toInteger = _dereq_(112);
 var max = Math.max;
 var min = Math.min;
 module.exports = function (index, length) {
@@ -2211,10 +2151,10 @@ module.exports = function (index, length) {
   return index < 0 ? max(index + length, 0) : min(index, length);
 };
 
-},{"116":116}],115:[function(_dereq_,module,exports){
+},{"112":112}],111:[function(_dereq_,module,exports){
 // https://tc39.github.io/ecma262/#sec-toindex
-var toInteger = _dereq_(116);
-var toLength = _dereq_(118);
+var toInteger = _dereq_(112);
+var toLength = _dereq_(114);
 module.exports = function (it) {
   if (it === undefined) return 0;
   var number = toInteger(it);
@@ -2223,7 +2163,7 @@ module.exports = function (it) {
   return length;
 };
 
-},{"116":116,"118":118}],116:[function(_dereq_,module,exports){
+},{"112":112,"114":114}],112:[function(_dereq_,module,exports){
 // 7.1.4 ToInteger
 var ceil = Math.ceil;
 var floor = Math.floor;
@@ -2231,32 +2171,32 @@ module.exports = function (it) {
   return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
 };
 
-},{}],117:[function(_dereq_,module,exports){
+},{}],113:[function(_dereq_,module,exports){
 // to indexed object, toObject with fallback for non-array-like ES3 strings
-var IObject = _dereq_(47);
-var defined = _dereq_(28);
+var IObject = _dereq_(52);
+var defined = _dereq_(34);
 module.exports = function (it) {
   return IObject(defined(it));
 };
 
-},{"28":28,"47":47}],118:[function(_dereq_,module,exports){
+},{"34":34,"52":52}],114:[function(_dereq_,module,exports){
 // 7.1.15 ToLength
-var toInteger = _dereq_(116);
+var toInteger = _dereq_(112);
 var min = Math.min;
 module.exports = function (it) {
   return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991
 };
 
-},{"116":116}],119:[function(_dereq_,module,exports){
+},{"112":112}],115:[function(_dereq_,module,exports){
 // 7.1.13 ToObject(argument)
-var defined = _dereq_(28);
+var defined = _dereq_(34);
 module.exports = function (it) {
   return Object(defined(it));
 };
 
-},{"28":28}],120:[function(_dereq_,module,exports){
+},{"34":34}],116:[function(_dereq_,module,exports){
 // 7.1.1 ToPrimitive(input [, PreferredType])
-var isObject = _dereq_(51);
+var isObject = _dereq_(56);
 // instead of the ES6 spec version, we didn't implement @@toPrimitive case
 // and the second argument - flag - preferred type is a string
 module.exports = function (it, S) {
@@ -2268,47 +2208,47 @@ module.exports = function (it, S) {
   throw TypeError("Can't convert object to primitive value");
 };
 
-},{"51":51}],121:[function(_dereq_,module,exports){
+},{"56":56}],117:[function(_dereq_,module,exports){
 'use strict';
-if (_dereq_(29)) {
-  var LIBRARY = _dereq_(60);
-  var global = _dereq_(40);
-  var fails = _dereq_(35);
-  var $export = _dereq_(33);
-  var $typed = _dereq_(123);
-  var $buffer = _dereq_(122);
-  var ctx = _dereq_(25);
-  var anInstance = _dereq_(6);
-  var propertyDesc = _dereq_(92);
-  var hide = _dereq_(42);
-  var redefineAll = _dereq_(93);
-  var toInteger = _dereq_(116);
-  var toLength = _dereq_(118);
-  var toIndex = _dereq_(115);
-  var toAbsoluteIndex = _dereq_(114);
-  var toPrimitive = _dereq_(120);
-  var has = _dereq_(41);
-  var classof = _dereq_(17);
-  var isObject = _dereq_(51);
-  var toObject = _dereq_(119);
-  var isArrayIter = _dereq_(48);
-  var create = _dereq_(71);
-  var getPrototypeOf = _dereq_(79);
-  var gOPN = _dereq_(77).f;
-  var getIterFn = _dereq_(129);
-  var uid = _dereq_(124);
-  var wks = _dereq_(128);
-  var createArrayMethod = _dereq_(12);
-  var createArrayIncludes = _dereq_(11);
-  var speciesConstructor = _dereq_(104);
-  var ArrayIterators = _dereq_(141);
-  var Iterators = _dereq_(58);
-  var $iterDetect = _dereq_(56);
-  var setSpecies = _dereq_(100);
-  var arrayFill = _dereq_(9);
-  var arrayCopyWithin = _dereq_(8);
-  var $DP = _dereq_(72);
-  var $GOPD = _dereq_(75);
+if (_dereq_(35)) {
+  var LIBRARY = _dereq_(64);
+  var global = _dereq_(45);
+  var fails = _dereq_(41);
+  var $export = _dereq_(39);
+  var $typed = _dereq_(119);
+  var $buffer = _dereq_(118);
+  var ctx = _dereq_(31);
+  var anInstance = _dereq_(14);
+  var propertyDesc = _dereq_(91);
+  var hide = _dereq_(47);
+  var redefineAll = _dereq_(92);
+  var toInteger = _dereq_(112);
+  var toLength = _dereq_(114);
+  var toIndex = _dereq_(111);
+  var toAbsoluteIndex = _dereq_(110);
+  var toPrimitive = _dereq_(116);
+  var has = _dereq_(46);
+  var classof = _dereq_(24);
+  var isObject = _dereq_(56);
+  var toObject = _dereq_(115);
+  var isArrayIter = _dereq_(53);
+  var create = _dereq_(73);
+  var getPrototypeOf = _dereq_(80);
+  var gOPN = _dereq_(78).f;
+  var getIterFn = _dereq_(126);
+  var uid = _dereq_(120);
+  var wks = _dereq_(125);
+  var createArrayMethod = _dereq_(19);
+  var createArrayIncludes = _dereq_(18);
+  var speciesConstructor = _dereq_(100);
+  var ArrayIterators = _dereq_(137);
+  var Iterators = _dereq_(63);
+  var $iterDetect = _dereq_(61);
+  var setSpecies = _dereq_(96);
+  var arrayFill = _dereq_(17);
+  var arrayCopyWithin = _dereq_(16);
+  var $DP = _dereq_(74);
+  var $GOPD = _dereq_(76);
   var dP = $DP.f;
   var gOPD = $GOPD.f;
   var RangeError = global.RangeError;
@@ -2750,23 +2690,23 @@ if (_dereq_(29)) {
   };
 } else module.exports = function () { /* empty */ };
 
-},{"100":100,"104":104,"11":11,"114":114,"115":115,"116":116,"118":118,"119":119,"12":12,"120":120,"122":122,"123":123,"124":124,"128":128,"129":129,"141":141,"17":17,"25":25,"29":29,"33":33,"35":35,"40":40,"41":41,"42":42,"48":48,"51":51,"56":56,"58":58,"6":6,"60":60,"71":71,"72":72,"75":75,"77":77,"79":79,"8":8,"9":9,"92":92,"93":93}],122:[function(_dereq_,module,exports){
+},{"100":100,"110":110,"111":111,"112":112,"114":114,"115":115,"116":116,"118":118,"119":119,"120":120,"125":125,"126":126,"137":137,"14":14,"16":16,"17":17,"18":18,"19":19,"24":24,"31":31,"35":35,"39":39,"41":41,"45":45,"46":46,"47":47,"53":53,"56":56,"61":61,"63":63,"64":64,"73":73,"74":74,"76":76,"78":78,"80":80,"91":91,"92":92,"96":96}],118:[function(_dereq_,module,exports){
 'use strict';
-var global = _dereq_(40);
-var DESCRIPTORS = _dereq_(29);
-var LIBRARY = _dereq_(60);
-var $typed = _dereq_(123);
-var hide = _dereq_(42);
-var redefineAll = _dereq_(93);
-var fails = _dereq_(35);
-var anInstance = _dereq_(6);
-var toInteger = _dereq_(116);
-var toLength = _dereq_(118);
-var toIndex = _dereq_(115);
-var gOPN = _dereq_(77).f;
-var dP = _dereq_(72).f;
-var arrayFill = _dereq_(9);
-var setToStringTag = _dereq_(101);
+var global = _dereq_(45);
+var DESCRIPTORS = _dereq_(35);
+var LIBRARY = _dereq_(64);
+var $typed = _dereq_(119);
+var hide = _dereq_(47);
+var redefineAll = _dereq_(92);
+var fails = _dereq_(41);
+var anInstance = _dereq_(14);
+var toInteger = _dereq_(112);
+var toLength = _dereq_(114);
+var toIndex = _dereq_(111);
+var gOPN = _dereq_(78).f;
+var dP = _dereq_(74).f;
+var arrayFill = _dereq_(17);
+var setToStringTag = _dereq_(97);
 var ARRAY_BUFFER = 'ArrayBuffer';
 var DATA_VIEW = 'DataView';
 var PROTOTYPE = 'prototype';
@@ -2793,7 +2733,7 @@ var $OFFSET = DESCRIPTORS ? '_o' : BYTE_OFFSET;
 
 // IEEE754 conversions based on https://github.com/feross/ieee754
 function packIEEE754(value, mLen, nBytes) {
-  var buffer = Array(nBytes);
+  var buffer = new Array(nBytes);
   var eLen = nBytes * 8 - mLen - 1;
   var eMax = (1 << eLen) - 1;
   var eBias = eMax >> 1;
@@ -2911,7 +2851,7 @@ if (!$typed.ABV) {
   $ArrayBuffer = function ArrayBuffer(length) {
     anInstance(this, $ArrayBuffer, ARRAY_BUFFER);
     var byteLength = toIndex(length);
-    this._b = arrayFill.call(Array(byteLength), 0);
+    this._b = arrayFill.call(new Array(byteLength), 0);
     this[$LENGTH] = byteLength;
   };
 
@@ -3028,10 +2968,10 @@ hide($DataView[PROTOTYPE], $typed.VIEW, true);
 exports[ARRAY_BUFFER] = $ArrayBuffer;
 exports[DATA_VIEW] = $DataView;
 
-},{"101":101,"115":115,"116":116,"118":118,"123":123,"29":29,"35":35,"40":40,"42":42,"6":6,"60":60,"72":72,"77":77,"9":9,"93":93}],123:[function(_dereq_,module,exports){
-var global = _dereq_(40);
-var hide = _dereq_(42);
-var uid = _dereq_(124);
+},{"111":111,"112":112,"114":114,"119":119,"14":14,"17":17,"35":35,"41":41,"45":45,"47":47,"64":64,"74":74,"78":78,"92":92,"97":97}],119:[function(_dereq_,module,exports){
+var global = _dereq_(45);
+var hide = _dereq_(47);
+var uid = _dereq_(120);
 var TYPED = uid('typed_array');
 var VIEW = uid('view');
 var ABV = !!(global.ArrayBuffer && global.DataView);
@@ -3058,38 +2998,44 @@ module.exports = {
   VIEW: VIEW
 };
 
-},{"124":124,"40":40,"42":42}],124:[function(_dereq_,module,exports){
+},{"120":120,"45":45,"47":47}],120:[function(_dereq_,module,exports){
 var id = 0;
 var px = Math.random();
 module.exports = function (key) {
   return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
 };
 
-},{}],125:[function(_dereq_,module,exports){
-var isObject = _dereq_(51);
+},{}],121:[function(_dereq_,module,exports){
+var global = _dereq_(45);
+var navigator = global.navigator;
+
+module.exports = navigator && navigator.userAgent || '';
+
+},{"45":45}],122:[function(_dereq_,module,exports){
+var isObject = _dereq_(56);
 module.exports = function (it, TYPE) {
   if (!isObject(it) || it._t !== TYPE) throw TypeError('Incompatible receiver, ' + TYPE + ' required!');
   return it;
 };
 
-},{"51":51}],126:[function(_dereq_,module,exports){
-var global = _dereq_(40);
-var core = _dereq_(23);
-var LIBRARY = _dereq_(60);
-var wksExt = _dereq_(127);
-var defineProperty = _dereq_(72).f;
+},{"56":56}],123:[function(_dereq_,module,exports){
+var global = _dereq_(45);
+var core = _dereq_(29);
+var LIBRARY = _dereq_(64);
+var wksExt = _dereq_(124);
+var defineProperty = _dereq_(74).f;
 module.exports = function (name) {
   var $Symbol = core.Symbol || (core.Symbol = LIBRARY ? {} : global.Symbol || {});
   if (name.charAt(0) != '_' && !(name in $Symbol)) defineProperty($Symbol, name, { value: wksExt.f(name) });
 };
 
-},{"127":127,"23":23,"40":40,"60":60,"72":72}],127:[function(_dereq_,module,exports){
-exports.f = _dereq_(128);
+},{"124":124,"29":29,"45":45,"64":64,"74":74}],124:[function(_dereq_,module,exports){
+exports.f = _dereq_(125);
 
-},{"128":128}],128:[function(_dereq_,module,exports){
-var store = _dereq_(103)('wks');
-var uid = _dereq_(124);
-var Symbol = _dereq_(40).Symbol;
+},{"125":125}],125:[function(_dereq_,module,exports){
+var store = _dereq_(99)('wks');
+var uid = _dereq_(120);
+var Symbol = _dereq_(45).Symbol;
 var USE_SYMBOL = typeof Symbol == 'function';
 
 var $exports = module.exports = function (name) {
@@ -3099,68 +3045,61 @@ var $exports = module.exports = function (name) {
 
 $exports.store = store;
 
-},{"103":103,"124":124,"40":40}],129:[function(_dereq_,module,exports){
-var classof = _dereq_(17);
-var ITERATOR = _dereq_(128)('iterator');
-var Iterators = _dereq_(58);
-module.exports = _dereq_(23).getIteratorMethod = function (it) {
+},{"120":120,"45":45,"99":99}],126:[function(_dereq_,module,exports){
+var classof = _dereq_(24);
+var ITERATOR = _dereq_(125)('iterator');
+var Iterators = _dereq_(63);
+module.exports = _dereq_(29).getIteratorMethod = function (it) {
   if (it != undefined) return it[ITERATOR]
     || it['@@iterator']
     || Iterators[classof(it)];
 };
 
-},{"128":128,"17":17,"23":23,"58":58}],130:[function(_dereq_,module,exports){
-// https://github.com/benjamingr/RexExp.escape
-var $export = _dereq_(33);
-var $re = _dereq_(95)(/[\\^$*+?.()|[\]{}]/g, '\\$&');
-
-$export($export.S, 'RegExp', { escape: function escape(it) { return $re(it); } });
-
-},{"33":33,"95":95}],131:[function(_dereq_,module,exports){
+},{"125":125,"24":24,"29":29,"63":63}],127:[function(_dereq_,module,exports){
 // 22.1.3.3 Array.prototype.copyWithin(target, start, end = this.length)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
-$export($export.P, 'Array', { copyWithin: _dereq_(8) });
+$export($export.P, 'Array', { copyWithin: _dereq_(16) });
 
-_dereq_(5)('copyWithin');
+_dereq_(13)('copyWithin');
 
-},{"33":33,"5":5,"8":8}],132:[function(_dereq_,module,exports){
+},{"13":13,"16":16,"39":39}],128:[function(_dereq_,module,exports){
 'use strict';
-var $export = _dereq_(33);
-var $every = _dereq_(12)(4);
+var $export = _dereq_(39);
+var $every = _dereq_(19)(4);
 
-$export($export.P + $export.F * !_dereq_(105)([].every, true), 'Array', {
+$export($export.P + $export.F * !_dereq_(101)([].every, true), 'Array', {
   // 22.1.3.5 / 15.4.4.16 Array.prototype.every(callbackfn [, thisArg])
   every: function every(callbackfn /* , thisArg */) {
     return $every(this, callbackfn, arguments[1]);
   }
 });
 
-},{"105":105,"12":12,"33":33}],133:[function(_dereq_,module,exports){
+},{"101":101,"19":19,"39":39}],129:[function(_dereq_,module,exports){
 // 22.1.3.6 Array.prototype.fill(value, start = 0, end = this.length)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
-$export($export.P, 'Array', { fill: _dereq_(9) });
+$export($export.P, 'Array', { fill: _dereq_(17) });
 
-_dereq_(5)('fill');
+_dereq_(13)('fill');
 
-},{"33":33,"5":5,"9":9}],134:[function(_dereq_,module,exports){
+},{"13":13,"17":17,"39":39}],130:[function(_dereq_,module,exports){
 'use strict';
-var $export = _dereq_(33);
-var $filter = _dereq_(12)(2);
+var $export = _dereq_(39);
+var $filter = _dereq_(19)(2);
 
-$export($export.P + $export.F * !_dereq_(105)([].filter, true), 'Array', {
+$export($export.P + $export.F * !_dereq_(101)([].filter, true), 'Array', {
   // 22.1.3.7 / 15.4.4.20 Array.prototype.filter(callbackfn [, thisArg])
   filter: function filter(callbackfn /* , thisArg */) {
     return $filter(this, callbackfn, arguments[1]);
   }
 });
 
-},{"105":105,"12":12,"33":33}],135:[function(_dereq_,module,exports){
+},{"101":101,"19":19,"39":39}],131:[function(_dereq_,module,exports){
 'use strict';
 // 22.1.3.9 Array.prototype.findIndex(predicate, thisArg = undefined)
-var $export = _dereq_(33);
-var $find = _dereq_(12)(6);
+var $export = _dereq_(39);
+var $find = _dereq_(19)(6);
 var KEY = 'findIndex';
 var forced = true;
 // Shouldn't skip holes
@@ -3170,13 +3109,13 @@ $export($export.P + $export.F * forced, 'Array', {
     return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
   }
 });
-_dereq_(5)(KEY);
+_dereq_(13)(KEY);
 
-},{"12":12,"33":33,"5":5}],136:[function(_dereq_,module,exports){
+},{"13":13,"19":19,"39":39}],132:[function(_dereq_,module,exports){
 'use strict';
 // 22.1.3.8 Array.prototype.find(predicate, thisArg = undefined)
-var $export = _dereq_(33);
-var $find = _dereq_(12)(5);
+var $export = _dereq_(39);
+var $find = _dereq_(19)(5);
 var KEY = 'find';
 var forced = true;
 // Shouldn't skip holes
@@ -3186,13 +3125,13 @@ $export($export.P + $export.F * forced, 'Array', {
     return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
   }
 });
-_dereq_(5)(KEY);
+_dereq_(13)(KEY);
 
-},{"12":12,"33":33,"5":5}],137:[function(_dereq_,module,exports){
+},{"13":13,"19":19,"39":39}],133:[function(_dereq_,module,exports){
 'use strict';
-var $export = _dereq_(33);
-var $forEach = _dereq_(12)(0);
-var STRICT = _dereq_(105)([].forEach, true);
+var $export = _dereq_(39);
+var $forEach = _dereq_(19)(0);
+var STRICT = _dereq_(101)([].forEach, true);
 
 $export($export.P + $export.F * !STRICT, 'Array', {
   // 22.1.3.10 / 15.4.4.18 Array.prototype.forEach(callbackfn [, thisArg])
@@ -3201,18 +3140,18 @@ $export($export.P + $export.F * !STRICT, 'Array', {
   }
 });
 
-},{"105":105,"12":12,"33":33}],138:[function(_dereq_,module,exports){
+},{"101":101,"19":19,"39":39}],134:[function(_dereq_,module,exports){
 'use strict';
-var ctx = _dereq_(25);
-var $export = _dereq_(33);
-var toObject = _dereq_(119);
-var call = _dereq_(53);
-var isArrayIter = _dereq_(48);
-var toLength = _dereq_(118);
-var createProperty = _dereq_(24);
-var getIterFn = _dereq_(129);
+var ctx = _dereq_(31);
+var $export = _dereq_(39);
+var toObject = _dereq_(115);
+var call = _dereq_(58);
+var isArrayIter = _dereq_(53);
+var toLength = _dereq_(114);
+var createProperty = _dereq_(30);
+var getIterFn = _dereq_(126);
 
-$export($export.S + $export.F * !_dereq_(56)(function (iter) { Array.from(iter); }), 'Array', {
+$export($export.S + $export.F * !_dereq_(61)(function (iter) { Array.from(iter); }), 'Array', {
   // 22.1.2.1 Array.from(arrayLike, mapfn = undefined, thisArg = undefined)
   from: function from(arrayLike /* , mapfn = undefined, thisArg = undefined */) {
     var O = toObject(arrayLike);
@@ -3240,14 +3179,14 @@ $export($export.S + $export.F * !_dereq_(56)(function (iter) { Array.from(iter);
   }
 });
 
-},{"118":118,"119":119,"129":129,"24":24,"25":25,"33":33,"48":48,"53":53,"56":56}],139:[function(_dereq_,module,exports){
+},{"114":114,"115":115,"126":126,"30":30,"31":31,"39":39,"53":53,"58":58,"61":61}],135:[function(_dereq_,module,exports){
 'use strict';
-var $export = _dereq_(33);
-var $indexOf = _dereq_(11)(false);
+var $export = _dereq_(39);
+var $indexOf = _dereq_(18)(false);
 var $native = [].indexOf;
 var NEGATIVE_ZERO = !!$native && 1 / [1].indexOf(1, -0) < 0;
 
-$export($export.P + $export.F * (NEGATIVE_ZERO || !_dereq_(105)($native)), 'Array', {
+$export($export.P + $export.F * (NEGATIVE_ZERO || !_dereq_(101)($native)), 'Array', {
   // 22.1.3.11 / 15.4.4.14 Array.prototype.indexOf(searchElement [, fromIndex])
   indexOf: function indexOf(searchElement /* , fromIndex = 0 */) {
     return NEGATIVE_ZERO
@@ -3257,24 +3196,24 @@ $export($export.P + $export.F * (NEGATIVE_ZERO || !_dereq_(105)($native)), 'Arra
   }
 });
 
-},{"105":105,"11":11,"33":33}],140:[function(_dereq_,module,exports){
+},{"101":101,"18":18,"39":39}],136:[function(_dereq_,module,exports){
 // 22.1.2.2 / 15.4.3.2 Array.isArray(arg)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
-$export($export.S, 'Array', { isArray: _dereq_(49) });
+$export($export.S, 'Array', { isArray: _dereq_(54) });
 
-},{"33":33,"49":49}],141:[function(_dereq_,module,exports){
+},{"39":39,"54":54}],137:[function(_dereq_,module,exports){
 'use strict';
-var addToUnscopables = _dereq_(5);
-var step = _dereq_(57);
-var Iterators = _dereq_(58);
-var toIObject = _dereq_(117);
+var addToUnscopables = _dereq_(13);
+var step = _dereq_(62);
+var Iterators = _dereq_(63);
+var toIObject = _dereq_(113);
 
 // 22.1.3.4 Array.prototype.entries()
 // 22.1.3.13 Array.prototype.keys()
 // 22.1.3.29 Array.prototype.values()
 // 22.1.3.30 Array.prototype[@@iterator]()
-module.exports = _dereq_(55)(Array, 'Array', function (iterated, kind) {
+module.exports = _dereq_(60)(Array, 'Array', function (iterated, kind) {
   this._t = toIObject(iterated); // target
   this._i = 0;                   // next index
   this._k = kind;                // kind
@@ -3299,30 +3238,30 @@ addToUnscopables('keys');
 addToUnscopables('values');
 addToUnscopables('entries');
 
-},{"117":117,"5":5,"55":55,"57":57,"58":58}],142:[function(_dereq_,module,exports){
+},{"113":113,"13":13,"60":60,"62":62,"63":63}],138:[function(_dereq_,module,exports){
 'use strict';
 // 22.1.3.13 Array.prototype.join(separator)
-var $export = _dereq_(33);
-var toIObject = _dereq_(117);
+var $export = _dereq_(39);
+var toIObject = _dereq_(113);
 var arrayJoin = [].join;
 
 // fallback for not array-like strings
-$export($export.P + $export.F * (_dereq_(47) != Object || !_dereq_(105)(arrayJoin)), 'Array', {
+$export($export.P + $export.F * (_dereq_(52) != Object || !_dereq_(101)(arrayJoin)), 'Array', {
   join: function join(separator) {
     return arrayJoin.call(toIObject(this), separator === undefined ? ',' : separator);
   }
 });
 
-},{"105":105,"117":117,"33":33,"47":47}],143:[function(_dereq_,module,exports){
+},{"101":101,"113":113,"39":39,"52":52}],139:[function(_dereq_,module,exports){
 'use strict';
-var $export = _dereq_(33);
-var toIObject = _dereq_(117);
-var toInteger = _dereq_(116);
-var toLength = _dereq_(118);
+var $export = _dereq_(39);
+var toIObject = _dereq_(113);
+var toInteger = _dereq_(112);
+var toLength = _dereq_(114);
 var $native = [].lastIndexOf;
 var NEGATIVE_ZERO = !!$native && 1 / [1].lastIndexOf(1, -0) < 0;
 
-$export($export.P + $export.F * (NEGATIVE_ZERO || !_dereq_(105)($native)), 'Array', {
+$export($export.P + $export.F * (NEGATIVE_ZERO || !_dereq_(101)($native)), 'Array', {
   // 22.1.3.14 / 15.4.4.15 Array.prototype.lastIndexOf(searchElement [, fromIndex])
   lastIndexOf: function lastIndexOf(searchElement /* , fromIndex = @[*-1] */) {
     // convert -0 to +0
@@ -3337,25 +3276,25 @@ $export($export.P + $export.F * (NEGATIVE_ZERO || !_dereq_(105)($native)), 'Arra
   }
 });
 
-},{"105":105,"116":116,"117":117,"118":118,"33":33}],144:[function(_dereq_,module,exports){
+},{"101":101,"112":112,"113":113,"114":114,"39":39}],140:[function(_dereq_,module,exports){
 'use strict';
-var $export = _dereq_(33);
-var $map = _dereq_(12)(1);
+var $export = _dereq_(39);
+var $map = _dereq_(19)(1);
 
-$export($export.P + $export.F * !_dereq_(105)([].map, true), 'Array', {
+$export($export.P + $export.F * !_dereq_(101)([].map, true), 'Array', {
   // 22.1.3.15 / 15.4.4.19 Array.prototype.map(callbackfn [, thisArg])
   map: function map(callbackfn /* , thisArg */) {
     return $map(this, callbackfn, arguments[1]);
   }
 });
 
-},{"105":105,"12":12,"33":33}],145:[function(_dereq_,module,exports){
+},{"101":101,"19":19,"39":39}],141:[function(_dereq_,module,exports){
 'use strict';
-var $export = _dereq_(33);
-var createProperty = _dereq_(24);
+var $export = _dereq_(39);
+var createProperty = _dereq_(30);
 
 // WebKit Array.of isn't generic
-$export($export.S + $export.F * _dereq_(35)(function () {
+$export($export.S + $export.F * _dereq_(41)(function () {
   function F() { /* empty */ }
   return !(Array.of.call(F) instanceof F);
 }), 'Array', {
@@ -3370,41 +3309,41 @@ $export($export.S + $export.F * _dereq_(35)(function () {
   }
 });
 
-},{"24":24,"33":33,"35":35}],146:[function(_dereq_,module,exports){
+},{"30":30,"39":39,"41":41}],142:[function(_dereq_,module,exports){
 'use strict';
-var $export = _dereq_(33);
-var $reduce = _dereq_(13);
+var $export = _dereq_(39);
+var $reduce = _dereq_(20);
 
-$export($export.P + $export.F * !_dereq_(105)([].reduceRight, true), 'Array', {
+$export($export.P + $export.F * !_dereq_(101)([].reduceRight, true), 'Array', {
   // 22.1.3.19 / 15.4.4.22 Array.prototype.reduceRight(callbackfn [, initialValue])
   reduceRight: function reduceRight(callbackfn /* , initialValue */) {
     return $reduce(this, callbackfn, arguments.length, arguments[1], true);
   }
 });
 
-},{"105":105,"13":13,"33":33}],147:[function(_dereq_,module,exports){
+},{"101":101,"20":20,"39":39}],143:[function(_dereq_,module,exports){
 'use strict';
-var $export = _dereq_(33);
-var $reduce = _dereq_(13);
+var $export = _dereq_(39);
+var $reduce = _dereq_(20);
 
-$export($export.P + $export.F * !_dereq_(105)([].reduce, true), 'Array', {
+$export($export.P + $export.F * !_dereq_(101)([].reduce, true), 'Array', {
   // 22.1.3.18 / 15.4.4.21 Array.prototype.reduce(callbackfn [, initialValue])
   reduce: function reduce(callbackfn /* , initialValue */) {
     return $reduce(this, callbackfn, arguments.length, arguments[1], false);
   }
 });
 
-},{"105":105,"13":13,"33":33}],148:[function(_dereq_,module,exports){
+},{"101":101,"20":20,"39":39}],144:[function(_dereq_,module,exports){
 'use strict';
-var $export = _dereq_(33);
-var html = _dereq_(43);
-var cof = _dereq_(18);
-var toAbsoluteIndex = _dereq_(114);
-var toLength = _dereq_(118);
+var $export = _dereq_(39);
+var html = _dereq_(48);
+var cof = _dereq_(25);
+var toAbsoluteIndex = _dereq_(110);
+var toLength = _dereq_(114);
 var arraySlice = [].slice;
 
 // fallback for not array-like ES3 strings and DOM objects
-$export($export.P + $export.F * _dereq_(35)(function () {
+$export($export.P + $export.F * _dereq_(41)(function () {
   if (html) arraySlice.call(html);
 }), 'Array', {
   slice: function slice(begin, end) {
@@ -3415,7 +3354,7 @@ $export($export.P + $export.F * _dereq_(35)(function () {
     var start = toAbsoluteIndex(begin, len);
     var upTo = toAbsoluteIndex(end, len);
     var size = toLength(upTo - start);
-    var cloned = Array(size);
+    var cloned = new Array(size);
     var i = 0;
     for (; i < size; i++) cloned[i] = klass == 'String'
       ? this.charAt(start + i)
@@ -3424,24 +3363,24 @@ $export($export.P + $export.F * _dereq_(35)(function () {
   }
 });
 
-},{"114":114,"118":118,"18":18,"33":33,"35":35,"43":43}],149:[function(_dereq_,module,exports){
+},{"110":110,"114":114,"25":25,"39":39,"41":41,"48":48}],145:[function(_dereq_,module,exports){
 'use strict';
-var $export = _dereq_(33);
-var $some = _dereq_(12)(3);
+var $export = _dereq_(39);
+var $some = _dereq_(19)(3);
 
-$export($export.P + $export.F * !_dereq_(105)([].some, true), 'Array', {
+$export($export.P + $export.F * !_dereq_(101)([].some, true), 'Array', {
   // 22.1.3.23 / 15.4.4.17 Array.prototype.some(callbackfn [, thisArg])
   some: function some(callbackfn /* , thisArg */) {
     return $some(this, callbackfn, arguments[1]);
   }
 });
 
-},{"105":105,"12":12,"33":33}],150:[function(_dereq_,module,exports){
+},{"101":101,"19":19,"39":39}],146:[function(_dereq_,module,exports){
 'use strict';
-var $export = _dereq_(33);
-var aFunction = _dereq_(3);
-var toObject = _dereq_(119);
-var fails = _dereq_(35);
+var $export = _dereq_(39);
+var aFunction = _dereq_(11);
+var toObject = _dereq_(115);
+var fails = _dereq_(41);
 var $sort = [].sort;
 var test = [1, 2, 3];
 
@@ -3452,7 +3391,7 @@ $export($export.P + $export.F * (fails(function () {
   // V8 bug
   test.sort(null);
   // Old WebKit
-}) || !_dereq_(105)($sort)), 'Array', {
+}) || !_dereq_(101)($sort)), 'Array', {
   // 22.1.3.25 Array.prototype.sort(comparefn)
   sort: function sort(comparefn) {
     return comparefn === undefined
@@ -3461,32 +3400,32 @@ $export($export.P + $export.F * (fails(function () {
   }
 });
 
-},{"105":105,"119":119,"3":3,"33":33,"35":35}],151:[function(_dereq_,module,exports){
-_dereq_(100)('Array');
+},{"101":101,"11":11,"115":115,"39":39,"41":41}],147:[function(_dereq_,module,exports){
+_dereq_(96)('Array');
 
-},{"100":100}],152:[function(_dereq_,module,exports){
+},{"96":96}],148:[function(_dereq_,module,exports){
 // 20.3.3.1 / 15.9.4.4 Date.now()
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
 $export($export.S, 'Date', { now: function () { return new Date().getTime(); } });
 
-},{"33":33}],153:[function(_dereq_,module,exports){
+},{"39":39}],149:[function(_dereq_,module,exports){
 // 20.3.4.36 / 15.9.5.43 Date.prototype.toISOString()
-var $export = _dereq_(33);
-var toISOString = _dereq_(26);
+var $export = _dereq_(39);
+var toISOString = _dereq_(32);
 
 // PhantomJS / old WebKit has a broken implementations
 $export($export.P + $export.F * (Date.prototype.toISOString !== toISOString), 'Date', {
   toISOString: toISOString
 });
 
-},{"26":26,"33":33}],154:[function(_dereq_,module,exports){
+},{"32":32,"39":39}],150:[function(_dereq_,module,exports){
 'use strict';
-var $export = _dereq_(33);
-var toObject = _dereq_(119);
-var toPrimitive = _dereq_(120);
+var $export = _dereq_(39);
+var toObject = _dereq_(115);
+var toPrimitive = _dereq_(116);
 
-$export($export.P + $export.F * _dereq_(35)(function () {
+$export($export.P + $export.F * _dereq_(41)(function () {
   return new Date(NaN).toJSON() !== null
     || Date.prototype.toJSON.call({ toISOString: function () { return 1; } }) !== 1;
 }), 'Date', {
@@ -3498,40 +3437,40 @@ $export($export.P + $export.F * _dereq_(35)(function () {
   }
 });
 
-},{"119":119,"120":120,"33":33,"35":35}],155:[function(_dereq_,module,exports){
-var TO_PRIMITIVE = _dereq_(128)('toPrimitive');
+},{"115":115,"116":116,"39":39,"41":41}],151:[function(_dereq_,module,exports){
+var TO_PRIMITIVE = _dereq_(125)('toPrimitive');
 var proto = Date.prototype;
 
-if (!(TO_PRIMITIVE in proto)) _dereq_(42)(proto, TO_PRIMITIVE, _dereq_(27));
+if (!(TO_PRIMITIVE in proto)) _dereq_(47)(proto, TO_PRIMITIVE, _dereq_(33));
 
-},{"128":128,"27":27,"42":42}],156:[function(_dereq_,module,exports){
+},{"125":125,"33":33,"47":47}],152:[function(_dereq_,module,exports){
 var DateProto = Date.prototype;
 var INVALID_DATE = 'Invalid Date';
 var TO_STRING = 'toString';
 var $toString = DateProto[TO_STRING];
 var getTime = DateProto.getTime;
 if (new Date(NaN) + '' != INVALID_DATE) {
-  _dereq_(94)(DateProto, TO_STRING, function toString() {
+  _dereq_(93)(DateProto, TO_STRING, function toString() {
     var value = getTime.call(this);
     // eslint-disable-next-line no-self-compare
     return value === value ? $toString.call(this) : INVALID_DATE;
   });
 }
 
-},{"94":94}],157:[function(_dereq_,module,exports){
+},{"93":93}],153:[function(_dereq_,module,exports){
 // 19.2.3.2 / 15.3.4.5 Function.prototype.bind(thisArg, args...)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
-$export($export.P, 'Function', { bind: _dereq_(16) });
+$export($export.P, 'Function', { bind: _dereq_(23) });
 
-},{"16":16,"33":33}],158:[function(_dereq_,module,exports){
+},{"23":23,"39":39}],154:[function(_dereq_,module,exports){
 'use strict';
-var isObject = _dereq_(51);
-var getPrototypeOf = _dereq_(79);
-var HAS_INSTANCE = _dereq_(128)('hasInstance');
+var isObject = _dereq_(56);
+var getPrototypeOf = _dereq_(80);
+var HAS_INSTANCE = _dereq_(125)('hasInstance');
 var FunctionProto = Function.prototype;
 // 19.2.3.6 Function.prototype[@@hasInstance](V)
-if (!(HAS_INSTANCE in FunctionProto)) _dereq_(72).f(FunctionProto, HAS_INSTANCE, { value: function (O) {
+if (!(HAS_INSTANCE in FunctionProto)) _dereq_(74).f(FunctionProto, HAS_INSTANCE, { value: function (O) {
   if (typeof this != 'function' || !isObject(O)) return false;
   if (!isObject(this.prototype)) return O instanceof this;
   // for environment w/o native `@@hasInstance` logic enough `instanceof`, but add this:
@@ -3539,14 +3478,14 @@ if (!(HAS_INSTANCE in FunctionProto)) _dereq_(72).f(FunctionProto, HAS_INSTANCE,
   return false;
 } });
 
-},{"128":128,"51":51,"72":72,"79":79}],159:[function(_dereq_,module,exports){
-var dP = _dereq_(72).f;
+},{"125":125,"56":56,"74":74,"80":80}],155:[function(_dereq_,module,exports){
+var dP = _dereq_(74).f;
 var FProto = Function.prototype;
 var nameRE = /^\s*function ([^ (]*)/;
 var NAME = 'name';
 
 // 19.2.4.2 name
-NAME in FProto || _dereq_(29) && dP(FProto, NAME, {
+NAME in FProto || _dereq_(35) && dP(FProto, NAME, {
   configurable: true,
   get: function () {
     try {
@@ -3557,14 +3496,14 @@ NAME in FProto || _dereq_(29) && dP(FProto, NAME, {
   }
 });
 
-},{"29":29,"72":72}],160:[function(_dereq_,module,exports){
+},{"35":35,"74":74}],156:[function(_dereq_,module,exports){
 'use strict';
-var strong = _dereq_(19);
-var validate = _dereq_(125);
+var strong = _dereq_(26);
+var validate = _dereq_(122);
 var MAP = 'Map';
 
 // 23.1 Map Objects
-module.exports = _dereq_(22)(MAP, function (get) {
+module.exports = _dereq_(28)(MAP, function (get) {
   return function Map() { return get(this, arguments.length > 0 ? arguments[0] : undefined); };
 }, {
   // 23.1.3.6 Map.prototype.get(key)
@@ -3578,10 +3517,10 @@ module.exports = _dereq_(22)(MAP, function (get) {
   }
 }, strong, true);
 
-},{"125":125,"19":19,"22":22}],161:[function(_dereq_,module,exports){
+},{"122":122,"26":26,"28":28}],157:[function(_dereq_,module,exports){
 // 20.2.2.3 Math.acosh(x)
-var $export = _dereq_(33);
-var log1p = _dereq_(63);
+var $export = _dereq_(39);
+var log1p = _dereq_(67);
 var sqrt = Math.sqrt;
 var $acosh = Math.acosh;
 
@@ -3598,9 +3537,9 @@ $export($export.S + $export.F * !($acosh
   }
 });
 
-},{"33":33,"63":63}],162:[function(_dereq_,module,exports){
+},{"39":39,"67":67}],158:[function(_dereq_,module,exports){
 // 20.2.2.5 Math.asinh(x)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 var $asinh = Math.asinh;
 
 function asinh(x) {
@@ -3610,9 +3549,9 @@ function asinh(x) {
 // Tor Browser bug: Math.asinh(0) -> -0
 $export($export.S + $export.F * !($asinh && 1 / $asinh(0) > 0), 'Math', { asinh: asinh });
 
-},{"33":33}],163:[function(_dereq_,module,exports){
+},{"39":39}],159:[function(_dereq_,module,exports){
 // 20.2.2.7 Math.atanh(x)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 var $atanh = Math.atanh;
 
 // Tor Browser bug: Math.atanh(-0) -> 0
@@ -3622,10 +3561,10 @@ $export($export.S + $export.F * !($atanh && 1 / $atanh(-0) < 0), 'Math', {
   }
 });
 
-},{"33":33}],164:[function(_dereq_,module,exports){
+},{"39":39}],160:[function(_dereq_,module,exports){
 // 20.2.2.9 Math.cbrt(x)
-var $export = _dereq_(33);
-var sign = _dereq_(65);
+var $export = _dereq_(39);
+var sign = _dereq_(68);
 
 $export($export.S, 'Math', {
   cbrt: function cbrt(x) {
@@ -3633,9 +3572,9 @@ $export($export.S, 'Math', {
   }
 });
 
-},{"33":33,"65":65}],165:[function(_dereq_,module,exports){
+},{"39":39,"68":68}],161:[function(_dereq_,module,exports){
 // 20.2.2.11 Math.clz32(x)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
 $export($export.S, 'Math', {
   clz32: function clz32(x) {
@@ -3643,9 +3582,9 @@ $export($export.S, 'Math', {
   }
 });
 
-},{"33":33}],166:[function(_dereq_,module,exports){
+},{"39":39}],162:[function(_dereq_,module,exports){
 // 20.2.2.12 Math.cosh(x)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 var exp = Math.exp;
 
 $export($export.S, 'Math', {
@@ -3654,22 +3593,22 @@ $export($export.S, 'Math', {
   }
 });
 
-},{"33":33}],167:[function(_dereq_,module,exports){
+},{"39":39}],163:[function(_dereq_,module,exports){
 // 20.2.2.14 Math.expm1(x)
-var $export = _dereq_(33);
-var $expm1 = _dereq_(61);
+var $export = _dereq_(39);
+var $expm1 = _dereq_(65);
 
 $export($export.S + $export.F * ($expm1 != Math.expm1), 'Math', { expm1: $expm1 });
 
-},{"33":33,"61":61}],168:[function(_dereq_,module,exports){
+},{"39":39,"65":65}],164:[function(_dereq_,module,exports){
 // 20.2.2.16 Math.fround(x)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
-$export($export.S, 'Math', { fround: _dereq_(62) });
+$export($export.S, 'Math', { fround: _dereq_(66) });
 
-},{"33":33,"62":62}],169:[function(_dereq_,module,exports){
+},{"39":39,"66":66}],165:[function(_dereq_,module,exports){
 // 20.2.2.17 Math.hypot([value1[, value2[, … ]]])
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 var abs = Math.abs;
 
 $export($export.S, 'Math', {
@@ -3694,13 +3633,13 @@ $export($export.S, 'Math', {
   }
 });
 
-},{"33":33}],170:[function(_dereq_,module,exports){
+},{"39":39}],166:[function(_dereq_,module,exports){
 // 20.2.2.18 Math.imul(x, y)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 var $imul = Math.imul;
 
 // some WebKit versions fails with big numbers, some has wrong arity
-$export($export.S + $export.F * _dereq_(35)(function () {
+$export($export.S + $export.F * _dereq_(41)(function () {
   return $imul(0xffffffff, 5) != -5 || $imul.length != 2;
 }), 'Math', {
   imul: function imul(x, y) {
@@ -3713,9 +3652,9 @@ $export($export.S + $export.F * _dereq_(35)(function () {
   }
 });
 
-},{"33":33,"35":35}],171:[function(_dereq_,module,exports){
+},{"39":39,"41":41}],167:[function(_dereq_,module,exports){
 // 20.2.2.21 Math.log10(x)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
 $export($export.S, 'Math', {
   log10: function log10(x) {
@@ -3723,15 +3662,15 @@ $export($export.S, 'Math', {
   }
 });
 
-},{"33":33}],172:[function(_dereq_,module,exports){
+},{"39":39}],168:[function(_dereq_,module,exports){
 // 20.2.2.20 Math.log1p(x)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
-$export($export.S, 'Math', { log1p: _dereq_(63) });
+$export($export.S, 'Math', { log1p: _dereq_(67) });
 
-},{"33":33,"63":63}],173:[function(_dereq_,module,exports){
+},{"39":39,"67":67}],169:[function(_dereq_,module,exports){
 // 20.2.2.22 Math.log2(x)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
 $export($export.S, 'Math', {
   log2: function log2(x) {
@@ -3739,20 +3678,20 @@ $export($export.S, 'Math', {
   }
 });
 
-},{"33":33}],174:[function(_dereq_,module,exports){
+},{"39":39}],170:[function(_dereq_,module,exports){
 // 20.2.2.28 Math.sign(x)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
-$export($export.S, 'Math', { sign: _dereq_(65) });
+$export($export.S, 'Math', { sign: _dereq_(68) });
 
-},{"33":33,"65":65}],175:[function(_dereq_,module,exports){
+},{"39":39,"68":68}],171:[function(_dereq_,module,exports){
 // 20.2.2.30 Math.sinh(x)
-var $export = _dereq_(33);
-var expm1 = _dereq_(61);
+var $export = _dereq_(39);
+var expm1 = _dereq_(65);
 var exp = Math.exp;
 
 // V8 near Chromium 38 has a problem with very small numbers
-$export($export.S + $export.F * _dereq_(35)(function () {
+$export($export.S + $export.F * _dereq_(41)(function () {
   return !Math.sinh(-2e-17) != -2e-17;
 }), 'Math', {
   sinh: function sinh(x) {
@@ -3762,10 +3701,10 @@ $export($export.S + $export.F * _dereq_(35)(function () {
   }
 });
 
-},{"33":33,"35":35,"61":61}],176:[function(_dereq_,module,exports){
+},{"39":39,"41":41,"65":65}],172:[function(_dereq_,module,exports){
 // 20.2.2.33 Math.tanh(x)
-var $export = _dereq_(33);
-var expm1 = _dereq_(61);
+var $export = _dereq_(39);
+var expm1 = _dereq_(65);
 var exp = Math.exp;
 
 $export($export.S, 'Math', {
@@ -3776,9 +3715,9 @@ $export($export.S, 'Math', {
   }
 });
 
-},{"33":33,"61":61}],177:[function(_dereq_,module,exports){
+},{"39":39,"65":65}],173:[function(_dereq_,module,exports){
 // 20.2.2.34 Math.trunc(x)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
 $export($export.S, 'Math', {
   trunc: function trunc(it) {
@@ -3786,24 +3725,24 @@ $export($export.S, 'Math', {
   }
 });
 
-},{"33":33}],178:[function(_dereq_,module,exports){
+},{"39":39}],174:[function(_dereq_,module,exports){
 'use strict';
-var global = _dereq_(40);
-var has = _dereq_(41);
-var cof = _dereq_(18);
-var inheritIfRequired = _dereq_(45);
-var toPrimitive = _dereq_(120);
-var fails = _dereq_(35);
-var gOPN = _dereq_(77).f;
-var gOPD = _dereq_(75).f;
-var dP = _dereq_(72).f;
-var $trim = _dereq_(111).trim;
+var global = _dereq_(45);
+var has = _dereq_(46);
+var cof = _dereq_(25);
+var inheritIfRequired = _dereq_(50);
+var toPrimitive = _dereq_(116);
+var fails = _dereq_(41);
+var gOPN = _dereq_(78).f;
+var gOPD = _dereq_(76).f;
+var dP = _dereq_(74).f;
+var $trim = _dereq_(107).trim;
 var NUMBER = 'Number';
 var $Number = global[NUMBER];
 var Base = $Number;
 var proto = $Number.prototype;
 // Opera ~12 has broken Object#toString
-var BROKEN_COF = cof(_dereq_(71)(proto)) == NUMBER;
+var BROKEN_COF = cof(_dereq_(73)(proto)) == NUMBER;
 var TRIM = 'trim' in String.prototype;
 
 // 7.1.3 ToNumber(argument)
@@ -3841,7 +3780,7 @@ if (!$Number(' 0o1') || !$Number('0b1') || $Number('+0x1')) {
       && (BROKEN_COF ? fails(function () { proto.valueOf.call(that); }) : cof(that) != NUMBER)
         ? inheritIfRequired(new Base(toNumber(it)), that, $Number) : toNumber(it);
   };
-  for (var keys = _dereq_(29) ? gOPN(Base) : (
+  for (var keys = _dereq_(35) ? gOPN(Base) : (
     // ES3:
     'MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,' +
     // ES6 (in case, if modules with ES6 Number statics required before):
@@ -3854,19 +3793,19 @@ if (!$Number(' 0o1') || !$Number('0b1') || $Number('+0x1')) {
   }
   $Number.prototype = proto;
   proto.constructor = $Number;
-  _dereq_(94)(global, NUMBER, $Number);
+  _dereq_(93)(global, NUMBER, $Number);
 }
 
-},{"111":111,"120":120,"18":18,"29":29,"35":35,"40":40,"41":41,"45":45,"71":71,"72":72,"75":75,"77":77,"94":94}],179:[function(_dereq_,module,exports){
+},{"107":107,"116":116,"25":25,"35":35,"41":41,"45":45,"46":46,"50":50,"73":73,"74":74,"76":76,"78":78,"93":93}],175:[function(_dereq_,module,exports){
 // 20.1.2.1 Number.EPSILON
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
 $export($export.S, 'Number', { EPSILON: Math.pow(2, -52) });
 
-},{"33":33}],180:[function(_dereq_,module,exports){
+},{"39":39}],176:[function(_dereq_,module,exports){
 // 20.1.2.2 Number.isFinite(number)
-var $export = _dereq_(33);
-var _isFinite = _dereq_(40).isFinite;
+var $export = _dereq_(39);
+var _isFinite = _dereq_(45).isFinite;
 
 $export($export.S, 'Number', {
   isFinite: function isFinite(it) {
@@ -3874,15 +3813,15 @@ $export($export.S, 'Number', {
   }
 });
 
-},{"33":33,"40":40}],181:[function(_dereq_,module,exports){
+},{"39":39,"45":45}],177:[function(_dereq_,module,exports){
 // 20.1.2.3 Number.isInteger(number)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
-$export($export.S, 'Number', { isInteger: _dereq_(50) });
+$export($export.S, 'Number', { isInteger: _dereq_(55) });
 
-},{"33":33,"50":50}],182:[function(_dereq_,module,exports){
+},{"39":39,"55":55}],178:[function(_dereq_,module,exports){
 // 20.1.2.4 Number.isNaN(number)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
 $export($export.S, 'Number', {
   isNaN: function isNaN(number) {
@@ -3891,10 +3830,10 @@ $export($export.S, 'Number', {
   }
 });
 
-},{"33":33}],183:[function(_dereq_,module,exports){
+},{"39":39}],179:[function(_dereq_,module,exports){
 // 20.1.2.5 Number.isSafeInteger(number)
-var $export = _dereq_(33);
-var isInteger = _dereq_(50);
+var $export = _dereq_(39);
+var isInteger = _dereq_(55);
 var abs = Math.abs;
 
 $export($export.S, 'Number', {
@@ -3903,36 +3842,36 @@ $export($export.S, 'Number', {
   }
 });
 
-},{"33":33,"50":50}],184:[function(_dereq_,module,exports){
+},{"39":39,"55":55}],180:[function(_dereq_,module,exports){
 // 20.1.2.6 Number.MAX_SAFE_INTEGER
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
 $export($export.S, 'Number', { MAX_SAFE_INTEGER: 0x1fffffffffffff });
 
-},{"33":33}],185:[function(_dereq_,module,exports){
+},{"39":39}],181:[function(_dereq_,module,exports){
 // 20.1.2.10 Number.MIN_SAFE_INTEGER
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
 $export($export.S, 'Number', { MIN_SAFE_INTEGER: -0x1fffffffffffff });
 
-},{"33":33}],186:[function(_dereq_,module,exports){
-var $export = _dereq_(33);
-var $parseFloat = _dereq_(86);
+},{"39":39}],182:[function(_dereq_,module,exports){
+var $export = _dereq_(39);
+var $parseFloat = _dereq_(87);
 // 20.1.2.12 Number.parseFloat(string)
 $export($export.S + $export.F * (Number.parseFloat != $parseFloat), 'Number', { parseFloat: $parseFloat });
 
-},{"33":33,"86":86}],187:[function(_dereq_,module,exports){
-var $export = _dereq_(33);
-var $parseInt = _dereq_(87);
+},{"39":39,"87":87}],183:[function(_dereq_,module,exports){
+var $export = _dereq_(39);
+var $parseInt = _dereq_(88);
 // 20.1.2.13 Number.parseInt(string, radix)
 $export($export.S + $export.F * (Number.parseInt != $parseInt), 'Number', { parseInt: $parseInt });
 
-},{"33":33,"87":87}],188:[function(_dereq_,module,exports){
+},{"39":39,"88":88}],184:[function(_dereq_,module,exports){
 'use strict';
-var $export = _dereq_(33);
-var toInteger = _dereq_(116);
-var aNumberValue = _dereq_(4);
-var repeat = _dereq_(110);
+var $export = _dereq_(39);
+var toInteger = _dereq_(112);
+var aNumberValue = _dereq_(12);
+var repeat = _dereq_(106);
 var $toFixed = 1.0.toFixed;
 var floor = Math.floor;
 var data = [0, 0, 0, 0, 0, 0];
@@ -3988,7 +3927,7 @@ $export($export.P + $export.F * (!!$toFixed && (
   0.9.toFixed(0) !== '1' ||
   1.255.toFixed(2) !== '1.25' ||
   1000000000000000128.0.toFixed(0) !== '1000000000000000128'
-) || !_dereq_(35)(function () {
+) || !_dereq_(41)(function () {
   // V8 ~ Android 4.3-
   $toFixed.call({});
 })), 'Number', {
@@ -4043,11 +3982,11 @@ $export($export.P + $export.F * (!!$toFixed && (
   }
 });
 
-},{"110":110,"116":116,"33":33,"35":35,"4":4}],189:[function(_dereq_,module,exports){
+},{"106":106,"112":112,"12":12,"39":39,"41":41}],185:[function(_dereq_,module,exports){
 'use strict';
-var $export = _dereq_(33);
-var $fails = _dereq_(35);
-var aNumberValue = _dereq_(4);
+var $export = _dereq_(39);
+var $fails = _dereq_(41);
+var aNumberValue = _dereq_(12);
 var $toPrecision = 1.0.toPrecision;
 
 $export($export.P + $export.F * ($fails(function () {
@@ -4063,183 +4002,186 @@ $export($export.P + $export.F * ($fails(function () {
   }
 });
 
-},{"33":33,"35":35,"4":4}],190:[function(_dereq_,module,exports){
+},{"12":12,"39":39,"41":41}],186:[function(_dereq_,module,exports){
 // 19.1.3.1 Object.assign(target, source)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
-$export($export.S + $export.F, 'Object', { assign: _dereq_(70) });
+$export($export.S + $export.F, 'Object', { assign: _dereq_(72) });
 
-},{"33":33,"70":70}],191:[function(_dereq_,module,exports){
-var $export = _dereq_(33);
+},{"39":39,"72":72}],187:[function(_dereq_,module,exports){
+var $export = _dereq_(39);
 // 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
-$export($export.S, 'Object', { create: _dereq_(71) });
+$export($export.S, 'Object', { create: _dereq_(73) });
 
-},{"33":33,"71":71}],192:[function(_dereq_,module,exports){
-var $export = _dereq_(33);
+},{"39":39,"73":73}],188:[function(_dereq_,module,exports){
+var $export = _dereq_(39);
 // 19.1.2.3 / 15.2.3.7 Object.defineProperties(O, Properties)
-$export($export.S + $export.F * !_dereq_(29), 'Object', { defineProperties: _dereq_(73) });
+$export($export.S + $export.F * !_dereq_(35), 'Object', { defineProperties: _dereq_(75) });
 
-},{"29":29,"33":33,"73":73}],193:[function(_dereq_,module,exports){
-var $export = _dereq_(33);
+},{"35":35,"39":39,"75":75}],189:[function(_dereq_,module,exports){
+var $export = _dereq_(39);
 // 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)
-$export($export.S + $export.F * !_dereq_(29), 'Object', { defineProperty: _dereq_(72).f });
+$export($export.S + $export.F * !_dereq_(35), 'Object', { defineProperty: _dereq_(74).f });
 
-},{"29":29,"33":33,"72":72}],194:[function(_dereq_,module,exports){
+},{"35":35,"39":39,"74":74}],190:[function(_dereq_,module,exports){
 // 19.1.2.5 Object.freeze(O)
-var isObject = _dereq_(51);
-var meta = _dereq_(66).onFreeze;
+var isObject = _dereq_(56);
+var meta = _dereq_(69).onFreeze;
 
-_dereq_(83)('freeze', function ($freeze) {
+_dereq_(84)('freeze', function ($freeze) {
   return function freeze(it) {
     return $freeze && isObject(it) ? $freeze(meta(it)) : it;
   };
 });
 
-},{"51":51,"66":66,"83":83}],195:[function(_dereq_,module,exports){
+},{"56":56,"69":69,"84":84}],191:[function(_dereq_,module,exports){
 // 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)
-var toIObject = _dereq_(117);
-var $getOwnPropertyDescriptor = _dereq_(75).f;
+var toIObject = _dereq_(113);
+var $getOwnPropertyDescriptor = _dereq_(76).f;
 
-_dereq_(83)('getOwnPropertyDescriptor', function () {
+_dereq_(84)('getOwnPropertyDescriptor', function () {
   return function getOwnPropertyDescriptor(it, key) {
     return $getOwnPropertyDescriptor(toIObject(it), key);
   };
 });
 
-},{"117":117,"75":75,"83":83}],196:[function(_dereq_,module,exports){
+},{"113":113,"76":76,"84":84}],192:[function(_dereq_,module,exports){
 // 19.1.2.7 Object.getOwnPropertyNames(O)
-_dereq_(83)('getOwnPropertyNames', function () {
-  return _dereq_(76).f;
+_dereq_(84)('getOwnPropertyNames', function () {
+  return _dereq_(77).f;
 });
 
-},{"76":76,"83":83}],197:[function(_dereq_,module,exports){
+},{"77":77,"84":84}],193:[function(_dereq_,module,exports){
 // 19.1.2.9 Object.getPrototypeOf(O)
-var toObject = _dereq_(119);
-var $getPrototypeOf = _dereq_(79);
+var toObject = _dereq_(115);
+var $getPrototypeOf = _dereq_(80);
 
-_dereq_(83)('getPrototypeOf', function () {
+_dereq_(84)('getPrototypeOf', function () {
   return function getPrototypeOf(it) {
     return $getPrototypeOf(toObject(it));
   };
 });
 
-},{"119":119,"79":79,"83":83}],198:[function(_dereq_,module,exports){
+},{"115":115,"80":80,"84":84}],194:[function(_dereq_,module,exports){
 // 19.1.2.11 Object.isExtensible(O)
-var isObject = _dereq_(51);
+var isObject = _dereq_(56);
 
-_dereq_(83)('isExtensible', function ($isExtensible) {
+_dereq_(84)('isExtensible', function ($isExtensible) {
   return function isExtensible(it) {
     return isObject(it) ? $isExtensible ? $isExtensible(it) : true : false;
   };
 });
 
-},{"51":51,"83":83}],199:[function(_dereq_,module,exports){
+},{"56":56,"84":84}],195:[function(_dereq_,module,exports){
 // 19.1.2.12 Object.isFrozen(O)
-var isObject = _dereq_(51);
+var isObject = _dereq_(56);
 
-_dereq_(83)('isFrozen', function ($isFrozen) {
+_dereq_(84)('isFrozen', function ($isFrozen) {
   return function isFrozen(it) {
     return isObject(it) ? $isFrozen ? $isFrozen(it) : false : true;
   };
 });
 
-},{"51":51,"83":83}],200:[function(_dereq_,module,exports){
+},{"56":56,"84":84}],196:[function(_dereq_,module,exports){
 // 19.1.2.13 Object.isSealed(O)
-var isObject = _dereq_(51);
+var isObject = _dereq_(56);
 
-_dereq_(83)('isSealed', function ($isSealed) {
+_dereq_(84)('isSealed', function ($isSealed) {
   return function isSealed(it) {
     return isObject(it) ? $isSealed ? $isSealed(it) : false : true;
   };
 });
 
-},{"51":51,"83":83}],201:[function(_dereq_,module,exports){
+},{"56":56,"84":84}],197:[function(_dereq_,module,exports){
 // 19.1.3.10 Object.is(value1, value2)
-var $export = _dereq_(33);
-$export($export.S, 'Object', { is: _dereq_(96) });
+var $export = _dereq_(39);
+$export($export.S, 'Object', { is: _dereq_(94) });
 
-},{"33":33,"96":96}],202:[function(_dereq_,module,exports){
+},{"39":39,"94":94}],198:[function(_dereq_,module,exports){
 // 19.1.2.14 Object.keys(O)
-var toObject = _dereq_(119);
-var $keys = _dereq_(81);
+var toObject = _dereq_(115);
+var $keys = _dereq_(82);
 
-_dereq_(83)('keys', function () {
+_dereq_(84)('keys', function () {
   return function keys(it) {
     return $keys(toObject(it));
   };
 });
 
-},{"119":119,"81":81,"83":83}],203:[function(_dereq_,module,exports){
+},{"115":115,"82":82,"84":84}],199:[function(_dereq_,module,exports){
 // 19.1.2.15 Object.preventExtensions(O)
-var isObject = _dereq_(51);
-var meta = _dereq_(66).onFreeze;
+var isObject = _dereq_(56);
+var meta = _dereq_(69).onFreeze;
 
-_dereq_(83)('preventExtensions', function ($preventExtensions) {
+_dereq_(84)('preventExtensions', function ($preventExtensions) {
   return function preventExtensions(it) {
     return $preventExtensions && isObject(it) ? $preventExtensions(meta(it)) : it;
   };
 });
 
-},{"51":51,"66":66,"83":83}],204:[function(_dereq_,module,exports){
+},{"56":56,"69":69,"84":84}],200:[function(_dereq_,module,exports){
 // 19.1.2.17 Object.seal(O)
-var isObject = _dereq_(51);
-var meta = _dereq_(66).onFreeze;
+var isObject = _dereq_(56);
+var meta = _dereq_(69).onFreeze;
 
-_dereq_(83)('seal', function ($seal) {
+_dereq_(84)('seal', function ($seal) {
   return function seal(it) {
     return $seal && isObject(it) ? $seal(meta(it)) : it;
   };
 });
 
-},{"51":51,"66":66,"83":83}],205:[function(_dereq_,module,exports){
+},{"56":56,"69":69,"84":84}],201:[function(_dereq_,module,exports){
 // 19.1.3.19 Object.setPrototypeOf(O, proto)
-var $export = _dereq_(33);
-$export($export.S, 'Object', { setPrototypeOf: _dereq_(99).set });
+var $export = _dereq_(39);
+$export($export.S, 'Object', { setPrototypeOf: _dereq_(95).set });
 
-},{"33":33,"99":99}],206:[function(_dereq_,module,exports){
+},{"39":39,"95":95}],202:[function(_dereq_,module,exports){
 'use strict';
 // 19.1.3.6 Object.prototype.toString()
-var classof = _dereq_(17);
+var classof = _dereq_(24);
 var test = {};
-test[_dereq_(128)('toStringTag')] = 'z';
+test[_dereq_(125)('toStringTag')] = 'z';
 if (test + '' != '[object z]') {
-  _dereq_(94)(Object.prototype, 'toString', function toString() {
+  _dereq_(93)(Object.prototype, 'toString', function toString() {
     return '[object ' + classof(this) + ']';
   }, true);
 }
 
-},{"128":128,"17":17,"94":94}],207:[function(_dereq_,module,exports){
-var $export = _dereq_(33);
-var $parseFloat = _dereq_(86);
+},{"125":125,"24":24,"93":93}],203:[function(_dereq_,module,exports){
+var $export = _dereq_(39);
+var $parseFloat = _dereq_(87);
 // 18.2.4 parseFloat(string)
 $export($export.G + $export.F * (parseFloat != $parseFloat), { parseFloat: $parseFloat });
 
-},{"33":33,"86":86}],208:[function(_dereq_,module,exports){
-var $export = _dereq_(33);
-var $parseInt = _dereq_(87);
+},{"39":39,"87":87}],204:[function(_dereq_,module,exports){
+var $export = _dereq_(39);
+var $parseInt = _dereq_(88);
 // 18.2.5 parseInt(string, radix)
 $export($export.G + $export.F * (parseInt != $parseInt), { parseInt: $parseInt });
 
-},{"33":33,"87":87}],209:[function(_dereq_,module,exports){
+},{"39":39,"88":88}],205:[function(_dereq_,module,exports){
 'use strict';
-var LIBRARY = _dereq_(60);
-var global = _dereq_(40);
-var ctx = _dereq_(25);
-var classof = _dereq_(17);
-var $export = _dereq_(33);
-var isObject = _dereq_(51);
-var aFunction = _dereq_(3);
-var anInstance = _dereq_(6);
-var forOf = _dereq_(39);
-var speciesConstructor = _dereq_(104);
-var task = _dereq_(113).set;
-var microtask = _dereq_(68)();
-var newPromiseCapabilityModule = _dereq_(69);
-var perform = _dereq_(90);
-var promiseResolve = _dereq_(91);
+var LIBRARY = _dereq_(64);
+var global = _dereq_(45);
+var ctx = _dereq_(31);
+var classof = _dereq_(24);
+var $export = _dereq_(39);
+var isObject = _dereq_(56);
+var aFunction = _dereq_(11);
+var anInstance = _dereq_(14);
+var forOf = _dereq_(44);
+var speciesConstructor = _dereq_(100);
+var task = _dereq_(109).set;
+var microtask = _dereq_(70)();
+var newPromiseCapabilityModule = _dereq_(71);
+var perform = _dereq_(89);
+var userAgent = _dereq_(121);
+var promiseResolve = _dereq_(90);
 var PROMISE = 'Promise';
 var TypeError = global.TypeError;
 var process = global.process;
+var versions = process && process.versions;
+var v8 = versions && versions.v8 || '';
 var $Promise = global[PROMISE];
 var isNode = classof(process) == 'process';
 var empty = function () { /* empty */ };
@@ -4250,21 +4192,21 @@ var USE_NATIVE = !!function () {
   try {
     // correct subclassing with @@species support
     var promise = $Promise.resolve(1);
-    var FakePromise = (promise.constructor = {})[_dereq_(128)('species')] = function (exec) {
+    var FakePromise = (promise.constructor = {})[_dereq_(125)('species')] = function (exec) {
       exec(empty, empty);
     };
     // unhandled rejections tracking support, NodeJS Promise without it fails @@species test
-    return (isNode || typeof PromiseRejectionEvent == 'function') && promise.then(empty) instanceof FakePromise;
+    return (isNode || typeof PromiseRejectionEvent == 'function')
+      && promise.then(empty) instanceof FakePromise
+      // v8 6.6 (Node 10 and Chrome 66) have a bug with resolving custom thenables
+      // https://bugs.chromium.org/p/chromium/issues/detail?id=830565
+      // we can't detect it synchronously, so just check versions
+      && v8.indexOf('6.6') !== 0
+      && userAgent.indexOf('Chrome/66') === -1;
   } catch (e) { /* empty */ }
 }();
 
 // helpers
-var sameConstructor = LIBRARY ? function (a, b) {
-  // with library wrapper special case
-  return a === b || a === $Promise && b === Wrapper;
-} : function (a, b) {
-  return a === b;
-};
 var isThenable = function (it) {
   var then;
   return isObject(it) && typeof (then = it.then) == 'function' ? then : false;
@@ -4282,7 +4224,7 @@ var notify = function (promise, isReject) {
       var resolve = reaction.resolve;
       var reject = reaction.reject;
       var domain = reaction.domain;
-      var result, then;
+      var result, then, exited;
       try {
         if (handler) {
           if (!ok) {
@@ -4292,8 +4234,11 @@ var notify = function (promise, isReject) {
           if (handler === true) result = value;
           else {
             if (domain) domain.enter();
-            result = handler(value);
-            if (domain) domain.exit();
+            result = handler(value); // may throw
+            if (domain) {
+              domain.exit();
+              exited = true;
+            }
           }
           if (result === reaction.promise) {
             reject(TypeError('Promise-chain cycle'));
@@ -4302,6 +4247,7 @@ var notify = function (promise, isReject) {
           } else resolve(result);
         } else reject(value);
       } catch (e) {
+        if (domain && !exited) domain.exit();
         reject(e);
       }
     };
@@ -4333,14 +4279,7 @@ var onUnhandled = function (promise) {
   });
 };
 var isUnhandled = function (promise) {
-  if (promise._h == 1) return false;
-  var chain = promise._a || promise._c;
-  var i = 0;
-  var reaction;
-  while (chain.length > i) {
-    reaction = chain[i++];
-    if (reaction.fail || !isUnhandled(reaction.promise)) return false;
-  } return true;
+  return promise._h !== 1 && (promise._a || promise._c).length === 0;
 };
 var onHandleUnhandled = function (promise) {
   task.call(global, function () {
@@ -4412,7 +4351,7 @@ if (!USE_NATIVE) {
     this._h = 0;              // <- rejection state, 0 - default, 1 - handled, 2 - unhandled
     this._n = false;          // <- notify
   };
-  Internal.prototype = _dereq_(93)($Promise.prototype, {
+  Internal.prototype = _dereq_(92)($Promise.prototype, {
     // 25.4.5.3 Promise.prototype.then(onFulfilled, onRejected)
     then: function then(onFulfilled, onRejected) {
       var reaction = newPromiseCapability(speciesConstructor(this, $Promise));
@@ -4436,16 +4375,16 @@ if (!USE_NATIVE) {
     this.reject = ctx($reject, promise, 1);
   };
   newPromiseCapabilityModule.f = newPromiseCapability = function (C) {
-    return sameConstructor($Promise, C)
+    return C === $Promise || C === Wrapper
       ? new OwnPromiseCapability(C)
       : newGenericPromiseCapability(C);
   };
 }
 
 $export($export.G + $export.W + $export.F * !USE_NATIVE, { Promise: $Promise });
-_dereq_(101)($Promise, PROMISE);
-_dereq_(100)(PROMISE);
-Wrapper = _dereq_(23)[PROMISE];
+_dereq_(97)($Promise, PROMISE);
+_dereq_(96)(PROMISE);
+Wrapper = _dereq_(29)[PROMISE];
 
 // statics
 $export($export.S + $export.F * !USE_NATIVE, PROMISE, {
@@ -4460,12 +4399,10 @@ $export($export.S + $export.F * !USE_NATIVE, PROMISE, {
 $export($export.S + $export.F * (LIBRARY || !USE_NATIVE), PROMISE, {
   // 25.4.4.6 Promise.resolve(x)
   resolve: function resolve(x) {
-    // instanceof instead of internal slot check because we should fix it without replacement native Promise core
-    if (x instanceof $Promise && sameConstructor(x.constructor, this)) return x;
-    return promiseResolve(this, x);
+    return promiseResolve(LIBRARY && this === Wrapper ? $Promise : this, x);
   }
 });
-$export($export.S + $export.F * !(USE_NATIVE && _dereq_(56)(function (iter) {
+$export($export.S + $export.F * !(USE_NATIVE && _dereq_(61)(function (iter) {
   $Promise.all(iter)['catch'](empty);
 })), PROMISE, {
   // 25.4.4.1 Promise.all(iterable)
@@ -4510,15 +4447,15 @@ $export($export.S + $export.F * !(USE_NATIVE && _dereq_(56)(function (iter) {
   }
 });
 
-},{"100":100,"101":101,"104":104,"113":113,"128":128,"17":17,"23":23,"25":25,"3":3,"33":33,"39":39,"40":40,"51":51,"56":56,"6":6,"60":60,"68":68,"69":69,"90":90,"91":91,"93":93}],210:[function(_dereq_,module,exports){
+},{"100":100,"109":109,"11":11,"121":121,"125":125,"14":14,"24":24,"29":29,"31":31,"39":39,"44":44,"45":45,"56":56,"61":61,"64":64,"70":70,"71":71,"89":89,"90":90,"92":92,"96":96,"97":97}],206:[function(_dereq_,module,exports){
 // 26.1.1 Reflect.apply(target, thisArgument, argumentsList)
-var $export = _dereq_(33);
-var aFunction = _dereq_(3);
-var anObject = _dereq_(7);
-var rApply = (_dereq_(40).Reflect || {}).apply;
+var $export = _dereq_(39);
+var aFunction = _dereq_(11);
+var anObject = _dereq_(15);
+var rApply = (_dereq_(45).Reflect || {}).apply;
 var fApply = Function.apply;
 // MS Edge argumentsList argument is optional
-$export($export.S + $export.F * !_dereq_(35)(function () {
+$export($export.S + $export.F * !_dereq_(41)(function () {
   rApply(function () { /* empty */ });
 }), 'Reflect', {
   apply: function apply(target, thisArgument, argumentsList) {
@@ -4528,16 +4465,16 @@ $export($export.S + $export.F * !_dereq_(35)(function () {
   }
 });
 
-},{"3":3,"33":33,"35":35,"40":40,"7":7}],211:[function(_dereq_,module,exports){
+},{"11":11,"15":15,"39":39,"41":41,"45":45}],207:[function(_dereq_,module,exports){
 // 26.1.2 Reflect.construct(target, argumentsList [, newTarget])
-var $export = _dereq_(33);
-var create = _dereq_(71);
-var aFunction = _dereq_(3);
-var anObject = _dereq_(7);
-var isObject = _dereq_(51);
-var fails = _dereq_(35);
-var bind = _dereq_(16);
-var rConstruct = (_dereq_(40).Reflect || {}).construct;
+var $export = _dereq_(39);
+var create = _dereq_(73);
+var aFunction = _dereq_(11);
+var anObject = _dereq_(15);
+var isObject = _dereq_(56);
+var fails = _dereq_(41);
+var bind = _dereq_(23);
+var rConstruct = (_dereq_(45).Reflect || {}).construct;
 
 // MS Edge supports only 2 arguments and argumentsList argument is optional
 // FF Nightly sets third argument as `new.target`, but does not create `this` from it
@@ -4577,15 +4514,15 @@ $export($export.S + $export.F * (NEW_TARGET_BUG || ARGS_BUG), 'Reflect', {
   }
 });
 
-},{"16":16,"3":3,"33":33,"35":35,"40":40,"51":51,"7":7,"71":71}],212:[function(_dereq_,module,exports){
+},{"11":11,"15":15,"23":23,"39":39,"41":41,"45":45,"56":56,"73":73}],208:[function(_dereq_,module,exports){
 // 26.1.3 Reflect.defineProperty(target, propertyKey, attributes)
-var dP = _dereq_(72);
-var $export = _dereq_(33);
-var anObject = _dereq_(7);
-var toPrimitive = _dereq_(120);
+var dP = _dereq_(74);
+var $export = _dereq_(39);
+var anObject = _dereq_(15);
+var toPrimitive = _dereq_(116);
 
 // MS Edge has broken Reflect.defineProperty - throwing instead of returning false
-$export($export.S + $export.F * _dereq_(35)(function () {
+$export($export.S + $export.F * _dereq_(41)(function () {
   // eslint-disable-next-line no-undef
   Reflect.defineProperty(dP.f({}, 1, { value: 1 }), 1, { value: 2 });
 }), 'Reflect', {
@@ -4602,11 +4539,11 @@ $export($export.S + $export.F * _dereq_(35)(function () {
   }
 });
 
-},{"120":120,"33":33,"35":35,"7":7,"72":72}],213:[function(_dereq_,module,exports){
+},{"116":116,"15":15,"39":39,"41":41,"74":74}],209:[function(_dereq_,module,exports){
 // 26.1.4 Reflect.deleteProperty(target, propertyKey)
-var $export = _dereq_(33);
-var gOPD = _dereq_(75).f;
-var anObject = _dereq_(7);
+var $export = _dereq_(39);
+var gOPD = _dereq_(76).f;
+var anObject = _dereq_(15);
 
 $export($export.S, 'Reflect', {
   deleteProperty: function deleteProperty(target, propertyKey) {
@@ -4615,11 +4552,11 @@ $export($export.S, 'Reflect', {
   }
 });
 
-},{"33":33,"7":7,"75":75}],214:[function(_dereq_,module,exports){
+},{"15":15,"39":39,"76":76}],210:[function(_dereq_,module,exports){
 'use strict';
 // 26.1.5 Reflect.enumerate(target)
-var $export = _dereq_(33);
-var anObject = _dereq_(7);
+var $export = _dereq_(39);
+var anObject = _dereq_(15);
 var Enumerate = function (iterated) {
   this._t = anObject(iterated); // target
   this._i = 0;                  // next index
@@ -4627,7 +4564,7 @@ var Enumerate = function (iterated) {
   var key;
   for (key in iterated) keys.push(key);
 };
-_dereq_(54)(Enumerate, 'Object', function () {
+_dereq_(59)(Enumerate, 'Object', function () {
   var that = this;
   var keys = that._k;
   var key;
@@ -4643,11 +4580,11 @@ $export($export.S, 'Reflect', {
   }
 });
 
-},{"33":33,"54":54,"7":7}],215:[function(_dereq_,module,exports){
+},{"15":15,"39":39,"59":59}],211:[function(_dereq_,module,exports){
 // 26.1.7 Reflect.getOwnPropertyDescriptor(target, propertyKey)
-var gOPD = _dereq_(75);
-var $export = _dereq_(33);
-var anObject = _dereq_(7);
+var gOPD = _dereq_(76);
+var $export = _dereq_(39);
+var anObject = _dereq_(15);
 
 $export($export.S, 'Reflect', {
   getOwnPropertyDescriptor: function getOwnPropertyDescriptor(target, propertyKey) {
@@ -4655,11 +4592,11 @@ $export($export.S, 'Reflect', {
   }
 });
 
-},{"33":33,"7":7,"75":75}],216:[function(_dereq_,module,exports){
+},{"15":15,"39":39,"76":76}],212:[function(_dereq_,module,exports){
 // 26.1.8 Reflect.getPrototypeOf(target)
-var $export = _dereq_(33);
-var getProto = _dereq_(79);
-var anObject = _dereq_(7);
+var $export = _dereq_(39);
+var getProto = _dereq_(80);
+var anObject = _dereq_(15);
 
 $export($export.S, 'Reflect', {
   getPrototypeOf: function getPrototypeOf(target) {
@@ -4667,14 +4604,14 @@ $export($export.S, 'Reflect', {
   }
 });
 
-},{"33":33,"7":7,"79":79}],217:[function(_dereq_,module,exports){
+},{"15":15,"39":39,"80":80}],213:[function(_dereq_,module,exports){
 // 26.1.6 Reflect.get(target, propertyKey [, receiver])
-var gOPD = _dereq_(75);
-var getPrototypeOf = _dereq_(79);
-var has = _dereq_(41);
-var $export = _dereq_(33);
-var isObject = _dereq_(51);
-var anObject = _dereq_(7);
+var gOPD = _dereq_(76);
+var getPrototypeOf = _dereq_(80);
+var has = _dereq_(46);
+var $export = _dereq_(39);
+var isObject = _dereq_(56);
+var anObject = _dereq_(15);
 
 function get(target, propertyKey /* , receiver */) {
   var receiver = arguments.length < 3 ? target : arguments[2];
@@ -4690,9 +4627,9 @@ function get(target, propertyKey /* , receiver */) {
 
 $export($export.S, 'Reflect', { get: get });
 
-},{"33":33,"41":41,"51":51,"7":7,"75":75,"79":79}],218:[function(_dereq_,module,exports){
+},{"15":15,"39":39,"46":46,"56":56,"76":76,"80":80}],214:[function(_dereq_,module,exports){
 // 26.1.9 Reflect.has(target, propertyKey)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
 $export($export.S, 'Reflect', {
   has: function has(target, propertyKey) {
@@ -4700,10 +4637,10 @@ $export($export.S, 'Reflect', {
   }
 });
 
-},{"33":33}],219:[function(_dereq_,module,exports){
+},{"39":39}],215:[function(_dereq_,module,exports){
 // 26.1.10 Reflect.isExtensible(target)
-var $export = _dereq_(33);
-var anObject = _dereq_(7);
+var $export = _dereq_(39);
+var anObject = _dereq_(15);
 var $isExtensible = Object.isExtensible;
 
 $export($export.S, 'Reflect', {
@@ -4713,16 +4650,16 @@ $export($export.S, 'Reflect', {
   }
 });
 
-},{"33":33,"7":7}],220:[function(_dereq_,module,exports){
+},{"15":15,"39":39}],216:[function(_dereq_,module,exports){
 // 26.1.11 Reflect.ownKeys(target)
-var $export = _dereq_(33);
+var $export = _dereq_(39);
 
-$export($export.S, 'Reflect', { ownKeys: _dereq_(85) });
+$export($export.S, 'Reflect', { ownKeys: _dereq_(86) });
 
-},{"33":33,"85":85}],221:[function(_dereq_,module,exports){
+},{"39":39,"86":86}],217:[function(_dereq_,module,exports){
 // 26.1.12 Reflect.preventExtensions(target)
-var $export = _dereq_(33);
-var anObject = _dereq_(7);
+var $export = _dereq_(39);
+var anObject = _dereq_(15);
 var $preventExtensions = Object.preventExtensions;
 
 $export($export.S, 'Reflect', {
@@ -4737,10 +4674,10 @@ $export($export.S, 'Reflect', {
   }
 });
 
-},{"33":33,"7":7}],222:[function(_dereq_,module,exports){
+},{"15":15,"39":39}],218:[function(_dereq_,module,exports){
 // 26.1.14 Reflect.setPrototypeOf(target, proto)
-var $export = _dereq_(33);
-var setProto = _dereq_(99);
+var $export = _dereq_(39);
+var setProto = _dereq_(95);
 
 if (setProto) $export($export.S, 'Reflect', {
   setPrototypeOf: function setPrototypeOf(target, proto) {
@@ -4754,16 +4691,16 @@ if (setProto) $export($export.S, 'Reflect', {
   }
 });
 
-},{"33":33,"99":99}],223:[function(_dereq_,module,exports){
+},{"39":39,"95":95}],219:[function(_dereq_,module,exports){
 // 26.1.13 Reflect.set(target, propertyKey, V [, receiver])
-var dP = _dereq_(72);
-var gOPD = _dereq_(75);
-var getPrototypeOf = _dereq_(79);
-var has = _dereq_(41);
-var $export = _dereq_(33);
-var createDesc = _dereq_(92);
-var anObject = _dereq_(7);
-var isObject = _dereq_(51);
+var dP = _dereq_(74);
+var gOPD = _dereq_(76);
+var getPrototypeOf = _dereq_(80);
+var has = _dereq_(46);
+var $export = _dereq_(39);
+var createDesc = _dereq_(91);
+var anObject = _dereq_(15);
+var isObject = _dereq_(56);
 
 function set(target, propertyKey, V /* , receiver */) {
   var receiver = arguments.length < 4 ? target : arguments[3];
@@ -4777,9 +4714,11 @@ function set(target, propertyKey, V /* , receiver */) {
   }
   if (has(ownDesc, 'value')) {
     if (ownDesc.writable === false || !isObject(receiver)) return false;
-    existingDescriptor = gOPD.f(receiver, propertyKey) || createDesc(0);
-    existingDescriptor.value = V;
-    dP.f(receiver, propertyKey, existingDescriptor);
+    if (existingDescriptor = gOPD.f(receiver, propertyKey)) {
+      if (existingDescriptor.get || existingDescriptor.set || existingDescriptor.writable === false) return false;
+      existingDescriptor.value = V;
+      dP.f(receiver, propertyKey, existingDescriptor);
+    } else dP.f(receiver, propertyKey, createDesc(0, V));
     return true;
   }
   return ownDesc.set === undefined ? false : (ownDesc.set.call(receiver, V), true);
@@ -4787,13 +4726,13 @@ function set(target, propertyKey, V /* , receiver */) {
 
 $export($export.S, 'Reflect', { set: set });
 
-},{"33":33,"41":41,"51":51,"7":7,"72":72,"75":75,"79":79,"92":92}],224:[function(_dereq_,module,exports){
-var global = _dereq_(40);
-var inheritIfRequired = _dereq_(45);
-var dP = _dereq_(72).f;
-var gOPN = _dereq_(77).f;
-var isRegExp = _dereq_(52);
-var $flags = _dereq_(37);
+},{"15":15,"39":39,"46":46,"56":56,"74":74,"76":76,"80":80,"91":91}],220:[function(_dereq_,module,exports){
+var global = _dereq_(45);
+var inheritIfRequired = _dereq_(50);
+var dP = _dereq_(74).f;
+var gOPN = _dereq_(78).f;
+var isRegExp = _dereq_(57);
+var $flags = _dereq_(43);
 var $RegExp = global.RegExp;
 var Base = $RegExp;
 var proto = $RegExp.prototype;
@@ -4802,8 +4741,8 @@ var re2 = /a/g;
 // "new" creates a new object, old webkit buggy here
 var CORRECT_NEW = new $RegExp(re1) !== re1;
 
-if (_dereq_(29) && (!CORRECT_NEW || _dereq_(35)(function () {
-  re2[_dereq_(128)('match')] = false;
+if (_dereq_(35) && (!CORRECT_NEW || _dereq_(41)(function () {
+  re2[_dereq_(125)('match')] = false;
   // RegExp constructor can alter flags and IsRegExp works correct with @@match
   return $RegExp(re1) != re1 || $RegExp(re2) == re2 || $RegExp(re1, 'i') != '/a/i';
 }))) {
@@ -4827,21 +4766,21 @@ if (_dereq_(29) && (!CORRECT_NEW || _dereq_(35)(function () {
   for (var keys = gOPN(Base), i = 0; keys.length > i;) proxy(keys[i++]);
   proto.constructor = $RegExp;
   $RegExp.prototype = proto;
-  _dereq_(94)(global, 'RegExp', $RegExp);
+  _dereq_(93)(global, 'RegExp', $RegExp);
 }
 
-_dereq_(100)('RegExp');
+_dereq_(96)('RegExp');
 
-},{"100":100,"128":128,"29":29,"35":35,"37":37,"40":40,"45":45,"52":52,"72":72,"77":77,"94":94}],225:[function(_dereq_,module,exports){
+},{"125":125,"35":35,"41":41,"43":43,"45":45,"50":50,"57":57,"74":74,"78":78,"93":93,"96":96}],221:[function(_dereq_,module,exports){
 // 21.2.5.3 get RegExp.prototype.flags()
-if (_dereq_(29) && /./g.flags != 'g') _dereq_(72).f(RegExp.prototype, 'flags', {
+if (_dereq_(35) && /./g.flags != 'g') _dereq_(74).f(RegExp.prototype, 'flags', {
   configurable: true,
-  get: _dereq_(37)
+  get: _dereq_(43)
 });
 
-},{"29":29,"37":37,"72":72}],226:[function(_dereq_,module,exports){
+},{"35":35,"43":43,"74":74}],222:[function(_dereq_,module,exports){
 // @@match logic
-_dereq_(36)('match', 1, function (defined, MATCH, $match) {
+_dereq_(42)('match', 1, function (defined, MATCH, $match) {
   // 21.1.3.11 String.prototype.match(regexp)
   return [function match(regexp) {
     'use strict';
@@ -4851,9 +4790,9 @@ _dereq_(36)('match', 1, function (defined, MATCH, $match) {
   }, $match];
 });
 
-},{"36":36}],227:[function(_dereq_,module,exports){
+},{"42":42}],223:[function(_dereq_,module,exports){
 // @@replace logic
-_dereq_(36)('replace', 2, function (defined, REPLACE, $replace) {
+_dereq_(42)('replace', 2, function (defined, REPLACE, $replace) {
   // 21.1.3.14 String.prototype.replace(searchValue, replaceValue)
   return [function replace(searchValue, replaceValue) {
     'use strict';
@@ -4865,9 +4804,9 @@ _dereq_(36)('replace', 2, function (defined, REPLACE, $replace) {
   }, $replace];
 });
 
-},{"36":36}],228:[function(_dereq_,module,exports){
+},{"42":42}],224:[function(_dereq_,module,exports){
 // @@search logic
-_dereq_(36)('search', 1, function (defined, SEARCH, $search) {
+_dereq_(42)('search', 1, function (defined, SEARCH, $search) {
   // 21.1.3.15 String.prototype.search(regexp)
   return [function search(regexp) {
     'use strict';
@@ -4877,11 +4816,11 @@ _dereq_(36)('search', 1, function (defined, SEARCH, $search) {
   }, $search];
 });
 
-},{"36":36}],229:[function(_dereq_,module,exports){
+},{"42":42}],225:[function(_dereq_,module,exports){
 // @@split logic
-_dereq_(36)('split', 2, function (defined, SPLIT, $split) {
+_dereq_(42)('split', 2, function (defined, SPLIT, $split) {
   'use strict';
-  var isRegExp = _dereq_(52);
+  var isRegExp = _dereq_(57);
   var _split = $split;
   var $push = [].push;
   var $SPLIT = 'split';
@@ -4950,21 +4889,21 @@ _dereq_(36)('split', 2, function (defined, SPLIT, $split) {
   }, $split];
 });
 
-},{"36":36,"52":52}],230:[function(_dereq_,module,exports){
+},{"42":42,"57":57}],226:[function(_dereq_,module,exports){
 'use strict';
-_dereq_(225);
-var anObject = _dereq_(7);
-var $flags = _dereq_(37);
-var DESCRIPTORS = _dereq_(29);
+_dereq_(221);
+var anObject = _dereq_(15);
+var $flags = _dereq_(43);
+var DESCRIPTORS = _dereq_(35);
 var TO_STRING = 'toString';
 var $toString = /./[TO_STRING];
 
 var define = function (fn) {
-  _dereq_(94)(RegExp.prototype, TO_STRING, fn, true);
+  _dereq_(93)(RegExp.prototype, TO_STRING, fn, true);
 };
 
 // 21.2.5.14 RegExp.prototype.toString()
-if (_dereq_(35)(function () { return $toString.call({ source: 'a', flags: 'b' }) != '/a/b'; })) {
+if (_dereq_(41)(function () { return $toString.call({ source: 'a', flags: 'b' }) != '/a/b'; })) {
   define(function toString() {
     var R = anObject(this);
     return '/'.concat(R.source, '/',
@@ -4977,14 +4916,14 @@ if (_dereq_(35)(function () { return $toString.call({ source: 'a', flags: 'b' })
   });
 }
 
-},{"225":225,"29":29,"35":35,"37":37,"7":7,"94":94}],231:[function(_dereq_,module,exports){
+},{"15":15,"221":221,"35":35,"41":41,"43":43,"93":93}],227:[function(_dereq_,module,exports){
 'use strict';
-var strong = _dereq_(19);
-var validate = _dereq_(125);
+var strong = _dereq_(26);
+var validate = _dereq_(122);
 var SET = 'Set';
 
 // 23.2 Set Objects
-module.exports = _dereq_(22)(SET, function (get) {
+module.exports = _dereq_(28)(SET, function (get) {
   return function Set() { return get(this, arguments.length > 0 ? arguments[0] : undefined); };
 }, {
   // 23.2.3.1 Set.prototype.add(value)
@@ -4993,46 +4932,46 @@ module.exports = _dereq_(22)(SET, function (get) {
   }
 }, strong);
 
-},{"125":125,"19":19,"22":22}],232:[function(_dereq_,module,exports){
+},{"122":122,"26":26,"28":28}],228:[function(_dereq_,module,exports){
 'use strict';
 // B.2.3.2 String.prototype.anchor(name)
-_dereq_(108)('anchor', function (createHTML) {
+_dereq_(104)('anchor', function (createHTML) {
   return function anchor(name) {
     return createHTML(this, 'a', 'name', name);
   };
 });
 
-},{"108":108}],233:[function(_dereq_,module,exports){
+},{"104":104}],229:[function(_dereq_,module,exports){
 'use strict';
 // B.2.3.3 String.prototype.big()
-_dereq_(108)('big', function (createHTML) {
+_dereq_(104)('big', function (createHTML) {
   return function big() {
     return createHTML(this, 'big', '', '');
   };
 });
 
-},{"108":108}],234:[function(_dereq_,module,exports){
+},{"104":104}],230:[function(_dereq_,module,exports){
 'use strict';
 // B.2.3.4 String.prototype.blink()
-_dereq_(108)('blink', function (createHTML) {
+_dereq_(104)('blink', function (createHTML) {
   return function blink() {
     return createHTML(this, 'blink', '', '');
   };
 });
 
-},{"108":108}],235:[function(_dereq_,module,exports){
+},{"104":104}],231:[function(_dereq_,module,exports){
 'use strict';
 // B.2.3.5 String.prototype.bold()
-_dereq_(108)('bold', function (createHTML) {
+_dereq_(104)('bold', function (createHTML) {
   return function bold() {
     return createHTML(this, 'b', '', '');
   };
 });
 
-},{"108":108}],236:[function(_dereq_,module,exports){
+},{"104":104}],232:[function(_dereq_,module,exports){
 'use strict';
-var $export = _dereq_(33);
-var $at = _dereq_(106)(false);
+var $export = _dereq_(39);
+var $at = _dereq_(102)(false);
 $export($export.P, 'String', {
   // 21.1.3.3 String.prototype.codePointAt(pos)
   codePointAt: function codePointAt(pos) {
@@ -5040,16 +4979,16 @@ $export($export.P, 'String', {
   }
 });
 
-},{"106":106,"33":33}],237:[function(_dereq_,module,exports){
+},{"102":102,"39":39}],233:[function(_dereq_,module,exports){
 // 21.1.3.6 String.prototype.endsWith(searchString [, endPosition])
 'use strict';
-var $export = _dereq_(33);
-var toLength = _dereq_(118);
-var context = _dereq_(107);
+var $export = _dereq_(39);
+var toLength = _dereq_(114);
+var context = _dereq_(103);
 var ENDS_WITH = 'endsWith';
 var $endsWith = ''[ENDS_WITH];
 
-$export($export.P + $export.F * _dereq_(34)(ENDS_WITH), 'String', {
+$export($export.P + $export.F * _dereq_(40)(ENDS_WITH), 'String', {
   endsWith: function endsWith(searchString /* , endPosition = @length */) {
     var that = context(this, searchString, ENDS_WITH);
     var endPosition = arguments.length > 1 ? arguments[1] : undefined;
@@ -5062,36 +5001,36 @@ $export($export.P + $export.F * _dereq_(34)(ENDS_WITH), 'String', {
   }
 });
 
-},{"107":107,"118":118,"33":33,"34":34}],238:[function(_dereq_,module,exports){
+},{"103":103,"114":114,"39":39,"40":40}],234:[function(_dereq_,module,exports){
 'use strict';
 // B.2.3.6 String.prototype.fixed()
-_dereq_(108)('fixed', function (createHTML) {
+_dereq_(104)('fixed', function (createHTML) {
   return function fixed() {
     return createHTML(this, 'tt', '', '');
   };
 });
 
-},{"108":108}],239:[function(_dereq_,module,exports){
+},{"104":104}],235:[function(_dereq_,module,exports){
 'use strict';
 // B.2.3.7 String.prototype.fontcolor(color)
-_dereq_(108)('fontcolor', function (createHTML) {
+_dereq_(104)('fontcolor', function (createHTML) {
   return function fontcolor(color) {
     return createHTML(this, 'font', 'color', color);
   };
 });
 
-},{"108":108}],240:[function(_dereq_,module,exports){
+},{"104":104}],236:[function(_dereq_,module,exports){
 'use strict';
 // B.2.3.8 String.prototype.fontsize(size)
-_dereq_(108)('fontsize', function (createHTML) {
+_dereq_(104)('fontsize', function (createHTML) {
   return function fontsize(size) {
     return createHTML(this, 'font', 'size', size);
   };
 });
 
-},{"108":108}],241:[function(_dereq_,module,exports){
-var $export = _dereq_(33);
-var toAbsoluteIndex = _dereq_(114);
+},{"104":104}],237:[function(_dereq_,module,exports){
+var $export = _dereq_(39);
+var toAbsoluteIndex = _dereq_(110);
 var fromCharCode = String.fromCharCode;
 var $fromCodePoint = String.fromCodePoint;
 
@@ -5114,35 +5053,35 @@ $export($export.S + $export.F * (!!$fromCodePoint && $fromCodePoint.length != 1)
   }
 });
 
-},{"114":114,"33":33}],242:[function(_dereq_,module,exports){
+},{"110":110,"39":39}],238:[function(_dereq_,module,exports){
 // 21.1.3.7 String.prototype.includes(searchString, position = 0)
 'use strict';
-var $export = _dereq_(33);
-var context = _dereq_(107);
+var $export = _dereq_(39);
+var context = _dereq_(103);
 var INCLUDES = 'includes';
 
-$export($export.P + $export.F * _dereq_(34)(INCLUDES), 'String', {
+$export($export.P + $export.F * _dereq_(40)(INCLUDES), 'String', {
   includes: function includes(searchString /* , position = 0 */) {
     return !!~context(this, searchString, INCLUDES)
       .indexOf(searchString, arguments.length > 1 ? arguments[1] : undefined);
   }
 });
 
-},{"107":107,"33":33,"34":34}],243:[function(_dereq_,module,exports){
+},{"103":103,"39":39,"40":40}],239:[function(_dereq_,module,exports){
 'use strict';
 // B.2.3.9 String.prototype.italics()
-_dereq_(108)('italics', function (createHTML) {
+_dereq_(104)('italics', function (createHTML) {
   return function italics() {
     return createHTML(this, 'i', '', '');
   };
 });
 
-},{"108":108}],244:[function(_dereq_,module,exports){
+},{"104":104}],240:[function(_dereq_,module,exports){
 'use strict';
-var $at = _dereq_(106)(true);
+var $at = _dereq_(102)(true);
 
 // 21.1.3.27 String.prototype[@@iterator]()
-_dereq_(55)(String, 'String', function (iterated) {
+_dereq_(60)(String, 'String', function (iterated) {
   this._t = String(iterated); // target
   this._i = 0;                // next index
 // 21.1.5.2.1 %StringIteratorPrototype%.next()
@@ -5156,19 +5095,19 @@ _dereq_(55)(String, 'String', function (iterated) {
   return { value: point, done: false };
 });
 
-},{"106":106,"55":55}],245:[function(_dereq_,module,exports){
+},{"102":102,"60":60}],241:[function(_dereq_,module,exports){
 'use strict';
 // B.2.3.10 String.prototype.link(url)
-_dereq_(108)('link', function (createHTML) {
+_dereq_(104)('link', function (createHTML) {
   return function link(url) {
     return createHTML(this, 'a', 'href', url);
   };
 });
 
-},{"108":108}],246:[function(_dereq_,module,exports){
-var $export = _dereq_(33);
-var toIObject = _dereq_(117);
-var toLength = _dereq_(118);
+},{"104":104}],242:[function(_dereq_,module,exports){
+var $export = _dereq_(39);
+var toIObject = _dereq_(113);
+var toLength = _dereq_(114);
 
 $export($export.S, 'String', {
   // 21.1.2.4 String.raw(callSite, ...substitutions)
@@ -5185,33 +5124,33 @@ $export($export.S, 'String', {
   }
 });
 
-},{"117":117,"118":118,"33":33}],247:[function(_dereq_,module,exports){
-var $export = _dereq_(33);
+},{"113":113,"114":114,"39":39}],243:[function(_dereq_,module,exports){
+var $export = _dereq_(39);
 
 $export($export.P, 'String', {
   // 21.1.3.13 String.prototype.repeat(count)
-  repeat: _dereq_(110)
+  repeat: _dereq_(106)
 });
 
-},{"110":110,"33":33}],248:[function(_dereq_,module,exports){
+},{"106":106,"39":39}],244:[function(_dereq_,module,exports){
 'use strict';
 // B.2.3.11 String.prototype.small()
-_dereq_(108)('small', function (createHTML) {
+_dereq_(104)('small', function (createHTML) {
   return function small() {
     return createHTML(this, 'small', '', '');
   };
 });
 
-},{"108":108}],249:[function(_dereq_,module,exports){
+},{"104":104}],245:[function(_dereq_,module,exports){
 // 21.1.3.18 String.prototype.startsWith(searchString [, position ])
 'use strict';
-var $export = _dereq_(33);
-var toLength = _dereq_(118);
-var context = _dereq_(107);
+var $export = _dereq_(39);
+var toLength = _dereq_(114);
+var context = _dereq_(103);
 var STARTS_WITH = 'startsWith';
 var $startsWith = ''[STARTS_WITH];
 
-$export($export.P + $export.F * _dereq_(34)(STARTS_WITH), 'String', {
+$export($export.P + $export.F * _dereq_(40)(STARTS_WITH), 'String', {
   startsWith: function startsWith(searchString /* , position = 0 */) {
     var that = context(this, searchString, STARTS_WITH);
     var index = toLength(Math.min(arguments.length > 1 ? arguments[1] : undefined, that.length));
@@ -5222,70 +5161,70 @@ $export($export.P + $export.F * _dereq_(34)(STARTS_WITH), 'String', {
   }
 });
 
-},{"107":107,"118":118,"33":33,"34":34}],250:[function(_dereq_,module,exports){
+},{"103":103,"114":114,"39":39,"40":40}],246:[function(_dereq_,module,exports){
 'use strict';
 // B.2.3.12 String.prototype.strike()
-_dereq_(108)('strike', function (createHTML) {
+_dereq_(104)('strike', function (createHTML) {
   return function strike() {
     return createHTML(this, 'strike', '', '');
   };
 });
 
-},{"108":108}],251:[function(_dereq_,module,exports){
+},{"104":104}],247:[function(_dereq_,module,exports){
 'use strict';
 // B.2.3.13 String.prototype.sub()
-_dereq_(108)('sub', function (createHTML) {
+_dereq_(104)('sub', function (createHTML) {
   return function sub() {
     return createHTML(this, 'sub', '', '');
   };
 });
 
-},{"108":108}],252:[function(_dereq_,module,exports){
+},{"104":104}],248:[function(_dereq_,module,exports){
 'use strict';
 // B.2.3.14 String.prototype.sup()
-_dereq_(108)('sup', function (createHTML) {
+_dereq_(104)('sup', function (createHTML) {
   return function sup() {
     return createHTML(this, 'sup', '', '');
   };
 });
 
-},{"108":108}],253:[function(_dereq_,module,exports){
+},{"104":104}],249:[function(_dereq_,module,exports){
 'use strict';
 // 21.1.3.25 String.prototype.trim()
-_dereq_(111)('trim', function ($trim) {
+_dereq_(107)('trim', function ($trim) {
   return function trim() {
     return $trim(this, 3);
   };
 });
 
-},{"111":111}],254:[function(_dereq_,module,exports){
+},{"107":107}],250:[function(_dereq_,module,exports){
 'use strict';
 // ECMAScript 6 symbols shim
-var global = _dereq_(40);
-var has = _dereq_(41);
-var DESCRIPTORS = _dereq_(29);
-var $export = _dereq_(33);
-var redefine = _dereq_(94);
-var META = _dereq_(66).KEY;
-var $fails = _dereq_(35);
-var shared = _dereq_(103);
-var setToStringTag = _dereq_(101);
-var uid = _dereq_(124);
-var wks = _dereq_(128);
-var wksExt = _dereq_(127);
-var wksDefine = _dereq_(126);
-var keyOf = _dereq_(59);
-var enumKeys = _dereq_(32);
-var isArray = _dereq_(49);
-var anObject = _dereq_(7);
-var toIObject = _dereq_(117);
-var toPrimitive = _dereq_(120);
-var createDesc = _dereq_(92);
-var _create = _dereq_(71);
-var gOPNExt = _dereq_(76);
-var $GOPD = _dereq_(75);
-var $DP = _dereq_(72);
-var $keys = _dereq_(81);
+var global = _dereq_(45);
+var has = _dereq_(46);
+var DESCRIPTORS = _dereq_(35);
+var $export = _dereq_(39);
+var redefine = _dereq_(93);
+var META = _dereq_(69).KEY;
+var $fails = _dereq_(41);
+var shared = _dereq_(99);
+var setToStringTag = _dereq_(97);
+var uid = _dereq_(120);
+var wks = _dereq_(125);
+var wksExt = _dereq_(124);
+var wksDefine = _dereq_(123);
+var enumKeys = _dereq_(38);
+var isArray = _dereq_(54);
+var anObject = _dereq_(15);
+var isObject = _dereq_(56);
+var toIObject = _dereq_(113);
+var toPrimitive = _dereq_(116);
+var createDesc = _dereq_(91);
+var _create = _dereq_(73);
+var gOPNExt = _dereq_(77);
+var $GOPD = _dereq_(76);
+var $DP = _dereq_(74);
+var $keys = _dereq_(82);
 var gOPD = $GOPD.f;
 var dP = $DP.f;
 var gOPN = gOPNExt.f;
@@ -5408,11 +5347,11 @@ if (!USE_NATIVE) {
 
   $GOPD.f = $getOwnPropertyDescriptor;
   $DP.f = $defineProperty;
-  _dereq_(77).f = gOPNExt.f = $getOwnPropertyNames;
-  _dereq_(82).f = $propertyIsEnumerable;
-  _dereq_(78).f = $getOwnPropertySymbols;
+  _dereq_(78).f = gOPNExt.f = $getOwnPropertyNames;
+  _dereq_(83).f = $propertyIsEnumerable;
+  _dereq_(79).f = $getOwnPropertySymbols;
 
-  if (DESCRIPTORS && !_dereq_(60)) {
+  if (DESCRIPTORS && !_dereq_(64)) {
     redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true);
   }
 
@@ -5438,9 +5377,9 @@ $export($export.S + $export.F * !USE_NATIVE, 'Symbol', {
       : SymbolRegistry[key] = $Symbol(key);
   },
   // 19.4.2.5 Symbol.keyFor(sym)
-  keyFor: function keyFor(key) {
-    if (isSymbol(key)) return keyOf(SymbolRegistry, key);
-    throw TypeError(key + ' is not a symbol!');
+  keyFor: function keyFor(sym) {
+    if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol!');
+    for (var key in SymbolRegistry) if (SymbolRegistry[key] === sym) return key;
   },
   useSetter: function () { setter = true; },
   useSimple: function () { setter = false; }
@@ -5470,15 +5409,14 @@ $JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function () {
   return _stringify([S]) != '[null]' || _stringify({ a: S }) != '{}' || _stringify(Object(S)) != '{}';
 })), 'JSON', {
   stringify: function stringify(it) {
-    if (it === undefined || isSymbol(it)) return; // IE8 returns string on undefined
     var args = [it];
     var i = 1;
     var replacer, $replacer;
     while (arguments.length > i) args.push(arguments[i++]);
-    replacer = args[1];
-    if (typeof replacer == 'function') $replacer = replacer;
-    if ($replacer || !isArray(replacer)) replacer = function (key, value) {
-      if ($replacer) value = $replacer.call(this, key, value);
+    $replacer = replacer = args[1];
+    if (!isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined
+    if (!isArray(replacer)) replacer = function (key, value) {
+      if (typeof $replacer == 'function') value = $replacer.call(this, key, value);
       if (!isSymbol(value)) return value;
     };
     args[1] = replacer;
@@ -5487,7 +5425,7 @@ $JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function () {
 });
 
 // 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)
-$Symbol[PROTOTYPE][TO_PRIMITIVE] || _dereq_(42)($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);
+$Symbol[PROTOTYPE][TO_PRIMITIVE] || _dereq_(47)($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);
 // 19.4.3.5 Symbol.prototype[@@toStringTag]
 setToStringTag($Symbol, 'Symbol');
 // 20.2.1.9 Math[@@toStringTag]
@@ -5495,17 +5433,17 @@ setToStringTag(Math, 'Math', true);
 // 24.3.3 JSON[@@toStringTag]
 setToStringTag(global.JSON, 'JSON', true);
 
-},{"101":101,"103":103,"117":117,"120":120,"124":124,"126":126,"127":127,"128":128,"29":29,"32":32,"33":33,"35":35,"40":40,"41":41,"42":42,"49":49,"59":59,"60":60,"66":66,"7":7,"71":71,"72":72,"75":75,"76":76,"77":77,"78":78,"81":81,"82":82,"92":92,"94":94}],255:[function(_dereq_,module,exports){
+},{"113":113,"116":116,"120":120,"123":123,"124":124,"125":125,"15":15,"35":35,"38":38,"39":39,"41":41,"45":45,"46":46,"47":47,"54":54,"56":56,"64":64,"69":69,"73":73,"74":74,"76":76,"77":77,"78":78,"79":79,"82":82,"83":83,"91":91,"93":93,"97":97,"99":99}],251:[function(_dereq_,module,exports){
 'use strict';
-var $export = _dereq_(33);
-var $typed = _dereq_(123);
-var buffer = _dereq_(122);
-var anObject = _dereq_(7);
-var toAbsoluteIndex = _dereq_(114);
-var toLength = _dereq_(118);
-var isObject = _dereq_(51);
-var ArrayBuffer = _dereq_(40).ArrayBuffer;
-var speciesConstructor = _dereq_(104);
+var $export = _dereq_(39);
+var $typed = _dereq_(119);
+var buffer = _dereq_(118);
+var anObject = _dereq_(15);
+var toAbsoluteIndex = _dereq_(110);
+var toLength = _dereq_(114);
+var isObject = _dereq_(56);
+var ArrayBuffer = _dereq_(45).ArrayBuffer;
+var speciesConstructor = _dereq_(100);
 var $ArrayBuffer = buffer.ArrayBuffer;
 var $DataView = buffer.DataView;
 var $isView = $typed.ABV && ArrayBuffer.isView;
@@ -5522,7 +5460,7 @@ $export($export.S + $export.F * !$typed.CONSTR, ARRAY_BUFFER, {
   }
 });
 
-$export($export.P + $export.U + $export.F * _dereq_(35)(function () {
+$export($export.P + $export.U + $export.F * _dereq_(41)(function () {
   return !new $ArrayBuffer(2).slice(1, undefined).byteLength;
 }), ARRAY_BUFFER, {
   // 24.1.4.3 ArrayBuffer.prototype.slice(start, end)
@@ -5530,98 +5468,98 @@ $export($export.P + $export.U + $export.F * _dereq_(35)(function () {
     if ($slice !== undefined && end === undefined) return $slice.call(anObject(this), start); // FF fix
     var len = anObject(this).byteLength;
     var first = toAbsoluteIndex(start, len);
-    var final = toAbsoluteIndex(end === undefined ? len : end, len);
-    var result = new (speciesConstructor(this, $ArrayBuffer))(toLength(final - first));
+    var fin = toAbsoluteIndex(end === undefined ? len : end, len);
+    var result = new (speciesConstructor(this, $ArrayBuffer))(toLength(fin - first));
     var viewS = new $DataView(this);
     var viewT = new $DataView(result);
     var index = 0;
-    while (first < final) {
+    while (first < fin) {
       viewT.setUint8(index++, viewS.getUint8(first++));
     } return result;
   }
 });
 
-_dereq_(100)(ARRAY_BUFFER);
+_dereq_(96)(ARRAY_BUFFER);
 
-},{"100":100,"104":104,"114":114,"118":118,"122":122,"123":123,"33":33,"35":35,"40":40,"51":51,"7":7}],256:[function(_dereq_,module,exports){
-var $export = _dereq_(33);
-$export($export.G + $export.W + $export.F * !_dereq_(123).ABV, {
-  DataView: _dereq_(122).DataView
+},{"100":100,"110":110,"114":114,"118":118,"119":119,"15":15,"39":39,"41":41,"45":45,"56":56,"96":96}],252:[function(_dereq_,module,exports){
+var $export = _dereq_(39);
+$export($export.G + $export.W + $export.F * !_dereq_(119).ABV, {
+  DataView: _dereq_(118).DataView
 });
 
-},{"122":122,"123":123,"33":33}],257:[function(_dereq_,module,exports){
-_dereq_(121)('Float32', 4, function (init) {
+},{"118":118,"119":119,"39":39}],253:[function(_dereq_,module,exports){
+_dereq_(117)('Float32', 4, function (init) {
   return function Float32Array(data, byteOffset, length) {
     return init(this, data, byteOffset, length);
   };
 });
 
-},{"121":121}],258:[function(_dereq_,module,exports){
-_dereq_(121)('Float64', 8, function (init) {
+},{"117":117}],254:[function(_dereq_,module,exports){
+_dereq_(117)('Float64', 8, function (init) {
   return function Float64Array(data, byteOffset, length) {
     return init(this, data, byteOffset, length);
   };
 });
 
-},{"121":121}],259:[function(_dereq_,module,exports){
-_dereq_(121)('Int16', 2, function (init) {
+},{"117":117}],255:[function(_dereq_,module,exports){
+_dereq_(117)('Int16', 2, function (init) {
   return function Int16Array(data, byteOffset, length) {
     return init(this, data, byteOffset, length);
   };
 });
 
-},{"121":121}],260:[function(_dereq_,module,exports){
-_dereq_(121)('Int32', 4, function (init) {
+},{"117":117}],256:[function(_dereq_,module,exports){
+_dereq_(117)('Int32', 4, function (init) {
   return function Int32Array(data, byteOffset, length) {
     return init(this, data, byteOffset, length);
   };
 });
 
-},{"121":121}],261:[function(_dereq_,module,exports){
-_dereq_(121)('Int8', 1, function (init) {
+},{"117":117}],257:[function(_dereq_,module,exports){
+_dereq_(117)('Int8', 1, function (init) {
   return function Int8Array(data, byteOffset, length) {
     return init(this, data, byteOffset, length);
   };
 });
 
-},{"121":121}],262:[function(_dereq_,module,exports){
-_dereq_(121)('Uint16', 2, function (init) {
+},{"117":117}],258:[function(_dereq_,module,exports){
+_dereq_(117)('Uint16', 2, function (init) {
   return function Uint16Array(data, byteOffset, length) {
     return init(this, data, byteOffset, length);
   };
 });
 
-},{"121":121}],263:[function(_dereq_,module,exports){
-_dereq_(121)('Uint32', 4, function (init) {
+},{"117":117}],259:[function(_dereq_,module,exports){
+_dereq_(117)('Uint32', 4, function (init) {
   return function Uint32Array(data, byteOffset, length) {
     return init(this, data, byteOffset, length);
   };
 });
 
-},{"121":121}],264:[function(_dereq_,module,exports){
-_dereq_(121)('Uint8', 1, function (init) {
+},{"117":117}],260:[function(_dereq_,module,exports){
+_dereq_(117)('Uint8', 1, function (init) {
   return function Uint8Array(data, byteOffset, length) {
     return init(this, data, byteOffset, length);
   };
 });
 
-},{"121":121}],265:[function(_dereq_,module,exports){
-_dereq_(121)('Uint8', 1, function (init) {
+},{"117":117}],261:[function(_dereq_,module,exports){
+_dereq_(117)('Uint8', 1, function (init) {
   return function Uint8ClampedArray(data, byteOffset, length) {
     return init(this, data, byteOffset, length);
   };
 }, true);
 
-},{"121":121}],266:[function(_dereq_,module,exports){
+},{"117":117}],262:[function(_dereq_,module,exports){
 'use strict';
-var each = _dereq_(12)(0);
-var redefine = _dereq_(94);
-var meta = _dereq_(66);
-var assign = _dereq_(70);
-var weak = _dereq_(21);
-var isObject = _dereq_(51);
-var fails = _dereq_(35);
-var validate = _dereq_(125);
+var each = _dereq_(19)(0);
+var redefine = _dereq_(93);
+var meta = _dereq_(69);
+var assign = _dereq_(72);
+var weak = _dereq_(27);
+var isObject = _dereq_(56);
+var fails = _dereq_(41);
+var validate = _dereq_(122);
 var WEAK_MAP = 'WeakMap';
 var getWeak = meta.getWeak;
 var isExtensible = Object.isExtensible;
@@ -5651,7 +5589,7 @@ var methods = {
 };
 
 // 23.3 WeakMap Objects
-var $WeakMap = module.exports = _dereq_(22)(WEAK_MAP, wrapper, methods, weak, true, true);
+var $WeakMap = module.exports = _dereq_(28)(WEAK_MAP, wrapper, methods, weak, true, true);
 
 // IE11 WeakMap frozen keys fix
 if (fails(function () { return new $WeakMap().set((Object.freeze || Object)(tmp), 7).get(tmp) != 7; })) {
@@ -5673,14 +5611,14 @@ if (fails(function () { return new $WeakMap().set((Object.freeze || Object)(tmp)
   });
 }
 
-},{"12":12,"125":125,"21":21,"22":22,"35":35,"51":51,"66":66,"70":70,"94":94}],267:[function(_dereq_,module,exports){
+},{"122":122,"19":19,"27":27,"28":28,"41":41,"56":56,"69":69,"72":72,"93":93}],263:[function(_dereq_,module,exports){
 'use strict';
-var weak = _dereq_(21);
-var validate = _dereq_(125);
+var weak = _dereq_(27);
+var validate = _dereq_(122);
 var WEAK_SET = 'WeakSet';
 
 // 23.4 WeakSet Objects
-_dereq_(22)(WEAK_SET, function (get) {
+_dereq_(28)(WEAK_SET, function (get) {
   return function WeakSet() { return get(this, arguments.length > 0 ? arguments[0] : undefined); };
 }, {
   // 23.4.3.1 WeakSet.prototype.add(value)
@@ -5689,58 +5627,11 @@ _dereq_(22)(WEAK_SET, function (get) {
   }
 }, weak, false, true);
 
-},{"125":125,"21":21,"22":22}],268:[function(_dereq_,module,exports){
-'use strict';
-// https://tc39.github.io/proposal-flatMap/#sec-Array.prototype.flatMap
-var $export = _dereq_(33);
-var flattenIntoArray = _dereq_(38);
-var toObject = _dereq_(119);
-var toLength = _dereq_(118);
-var aFunction = _dereq_(3);
-var arraySpeciesCreate = _dereq_(15);
-
-$export($export.P, 'Array', {
-  flatMap: function flatMap(callbackfn /* , thisArg */) {
-    var O = toObject(this);
-    var sourceLen, A;
-    aFunction(callbackfn);
-    sourceLen = toLength(O.length);
-    A = arraySpeciesCreate(O, 0);
-    flattenIntoArray(A, O, O, sourceLen, 0, 1, callbackfn, arguments[1]);
-    return A;
-  }
-});
-
-_dereq_(5)('flatMap');
-
-},{"118":118,"119":119,"15":15,"3":3,"33":33,"38":38,"5":5}],269:[function(_dereq_,module,exports){
-'use strict';
-// https://tc39.github.io/proposal-flatMap/#sec-Array.prototype.flatten
-var $export = _dereq_(33);
-var flattenIntoArray = _dereq_(38);
-var toObject = _dereq_(119);
-var toLength = _dereq_(118);
-var toInteger = _dereq_(116);
-var arraySpeciesCreate = _dereq_(15);
-
-$export($export.P, 'Array', {
-  flatten: function flatten(/* depthArg = 1 */) {
-    var depthArg = arguments[0];
-    var O = toObject(this);
-    var sourceLen = toLength(O.length);
-    var A = arraySpeciesCreate(O, 0);
-    flattenIntoArray(A, O, O, sourceLen, 0, depthArg === undefined ? 1 : toInteger(depthArg));
-    return A;
-  }
-});
-
-_dereq_(5)('flatten');
-
-},{"116":116,"118":118,"119":119,"15":15,"33":33,"38":38,"5":5}],270:[function(_dereq_,module,exports){
+},{"122":122,"27":27,"28":28}],264:[function(_dereq_,module,exports){
 'use strict';
 // https://github.com/tc39/Array.prototype.includes
-var $export = _dereq_(33);
-var $includes = _dereq_(11)(true);
+var $export = _dereq_(39);
+var $includes = _dereq_(18)(true);
 
 $export($export.P, 'Array', {
   includes: function includes(el /* , fromIndex = 0 */) {
@@ -5748,218 +5639,12 @@ $export($export.P, 'Array', {
   }
 });
 
-_dereq_(5)('includes');
+_dereq_(13)('includes');
 
-},{"11":11,"33":33,"5":5}],271:[function(_dereq_,module,exports){
-// https://github.com/rwaldron/tc39-notes/blob/master/es6/2014-09/sept-25.md#510-globalasap-for-enqueuing-a-microtask
-var $export = _dereq_(33);
-var microtask = _dereq_(68)();
-var process = _dereq_(40).process;
-var isNode = _dereq_(18)(process) == 'process';
-
-$export($export.G, {
-  asap: function asap(fn) {
-    var domain = isNode && process.domain;
-    microtask(domain ? domain.bind(fn) : fn);
-  }
-});
-
-},{"18":18,"33":33,"40":40,"68":68}],272:[function(_dereq_,module,exports){
-// https://github.com/ljharb/proposal-is-error
-var $export = _dereq_(33);
-var cof = _dereq_(18);
-
-$export($export.S, 'Error', {
-  isError: function isError(it) {
-    return cof(it) === 'Error';
-  }
-});
-
-},{"18":18,"33":33}],273:[function(_dereq_,module,exports){
-// https://github.com/tc39/proposal-global
-var $export = _dereq_(33);
-
-$export($export.G, { global: _dereq_(40) });
-
-},{"33":33,"40":40}],274:[function(_dereq_,module,exports){
-// https://tc39.github.io/proposal-setmap-offrom/#sec-map.from
-_dereq_(97)('Map');
-
-},{"97":97}],275:[function(_dereq_,module,exports){
-// https://tc39.github.io/proposal-setmap-offrom/#sec-map.of
-_dereq_(98)('Map');
-
-},{"98":98}],276:[function(_dereq_,module,exports){
-// https://github.com/DavidBruant/Map-Set.prototype.toJSON
-var $export = _dereq_(33);
-
-$export($export.P + $export.R, 'Map', { toJSON: _dereq_(20)('Map') });
-
-},{"20":20,"33":33}],277:[function(_dereq_,module,exports){
-// https://rwaldron.github.io/proposal-math-extensions/
-var $export = _dereq_(33);
-
-$export($export.S, 'Math', {
-  clamp: function clamp(x, lower, upper) {
-    return Math.min(upper, Math.max(lower, x));
-  }
-});
-
-},{"33":33}],278:[function(_dereq_,module,exports){
-// https://rwaldron.github.io/proposal-math-extensions/
-var $export = _dereq_(33);
-
-$export($export.S, 'Math', { DEG_PER_RAD: Math.PI / 180 });
-
-},{"33":33}],279:[function(_dereq_,module,exports){
-// https://rwaldron.github.io/proposal-math-extensions/
-var $export = _dereq_(33);
-var RAD_PER_DEG = 180 / Math.PI;
-
-$export($export.S, 'Math', {
-  degrees: function degrees(radians) {
-    return radians * RAD_PER_DEG;
-  }
-});
-
-},{"33":33}],280:[function(_dereq_,module,exports){
-// https://rwaldron.github.io/proposal-math-extensions/
-var $export = _dereq_(33);
-var scale = _dereq_(64);
-var fround = _dereq_(62);
-
-$export($export.S, 'Math', {
-  fscale: function fscale(x, inLow, inHigh, outLow, outHigh) {
-    return fround(scale(x, inLow, inHigh, outLow, outHigh));
-  }
-});
-
-},{"33":33,"62":62,"64":64}],281:[function(_dereq_,module,exports){
-// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
-var $export = _dereq_(33);
-
-$export($export.S, 'Math', {
-  iaddh: function iaddh(x0, x1, y0, y1) {
-    var $x0 = x0 >>> 0;
-    var $x1 = x1 >>> 0;
-    var $y0 = y0 >>> 0;
-    return $x1 + (y1 >>> 0) + (($x0 & $y0 | ($x0 | $y0) & ~($x0 + $y0 >>> 0)) >>> 31) | 0;
-  }
-});
-
-},{"33":33}],282:[function(_dereq_,module,exports){
-// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
-var $export = _dereq_(33);
-
-$export($export.S, 'Math', {
-  imulh: function imulh(u, v) {
-    var UINT16 = 0xffff;
-    var $u = +u;
-    var $v = +v;
-    var u0 = $u & UINT16;
-    var v0 = $v & UINT16;
-    var u1 = $u >> 16;
-    var v1 = $v >> 16;
-    var t = (u1 * v0 >>> 0) + (u0 * v0 >>> 16);
-    return u1 * v1 + (t >> 16) + ((u0 * v1 >>> 0) + (t & UINT16) >> 16);
-  }
-});
-
-},{"33":33}],283:[function(_dereq_,module,exports){
-// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
-var $export = _dereq_(33);
-
-$export($export.S, 'Math', {
-  isubh: function isubh(x0, x1, y0, y1) {
-    var $x0 = x0 >>> 0;
-    var $x1 = x1 >>> 0;
-    var $y0 = y0 >>> 0;
-    return $x1 - (y1 >>> 0) - ((~$x0 & $y0 | ~($x0 ^ $y0) & $x0 - $y0 >>> 0) >>> 31) | 0;
-  }
-});
-
-},{"33":33}],284:[function(_dereq_,module,exports){
-// https://rwaldron.github.io/proposal-math-extensions/
-var $export = _dereq_(33);
-
-$export($export.S, 'Math', { RAD_PER_DEG: 180 / Math.PI });
-
-},{"33":33}],285:[function(_dereq_,module,exports){
-// https://rwaldron.github.io/proposal-math-extensions/
-var $export = _dereq_(33);
-var DEG_PER_RAD = Math.PI / 180;
-
-$export($export.S, 'Math', {
-  radians: function radians(degrees) {
-    return degrees * DEG_PER_RAD;
-  }
-});
-
-},{"33":33}],286:[function(_dereq_,module,exports){
-// https://rwaldron.github.io/proposal-math-extensions/
-var $export = _dereq_(33);
-
-$export($export.S, 'Math', { scale: _dereq_(64) });
-
-},{"33":33,"64":64}],287:[function(_dereq_,module,exports){
-// http://jfbastien.github.io/papers/Math.signbit.html
-var $export = _dereq_(33);
-
-$export($export.S, 'Math', { signbit: function signbit(x) {
-  // eslint-disable-next-line no-self-compare
-  return (x = +x) != x ? x : x == 0 ? 1 / x == Infinity : x > 0;
-} });
-
-},{"33":33}],288:[function(_dereq_,module,exports){
-// https://gist.github.com/BrendanEich/4294d5c212a6d2254703
-var $export = _dereq_(33);
-
-$export($export.S, 'Math', {
-  umulh: function umulh(u, v) {
-    var UINT16 = 0xffff;
-    var $u = +u;
-    var $v = +v;
-    var u0 = $u & UINT16;
-    var v0 = $v & UINT16;
-    var u1 = $u >>> 16;
-    var v1 = $v >>> 16;
-    var t = (u1 * v0 >>> 0) + (u0 * v0 >>> 16);
-    return u1 * v1 + (t >>> 16) + ((u0 * v1 >>> 0) + (t & UINT16) >>> 16);
-  }
-});
-
-},{"33":33}],289:[function(_dereq_,module,exports){
-'use strict';
-var $export = _dereq_(33);
-var toObject = _dereq_(119);
-var aFunction = _dereq_(3);
-var $defineProperty = _dereq_(72);
-
-// B.2.2.2 Object.prototype.__defineGetter__(P, getter)
-_dereq_(29) && $export($export.P + _dereq_(74), 'Object', {
-  __defineGetter__: function __defineGetter__(P, getter) {
-    $defineProperty.f(toObject(this), P, { get: aFunction(getter), enumerable: true, configurable: true });
-  }
-});
-
-},{"119":119,"29":29,"3":3,"33":33,"72":72,"74":74}],290:[function(_dereq_,module,exports){
-'use strict';
-var $export = _dereq_(33);
-var toObject = _dereq_(119);
-var aFunction = _dereq_(3);
-var $defineProperty = _dereq_(72);
-
-// B.2.2.3 Object.prototype.__defineSetter__(P, setter)
-_dereq_(29) && $export($export.P + _dereq_(74), 'Object', {
-  __defineSetter__: function __defineSetter__(P, setter) {
-    $defineProperty.f(toObject(this), P, { set: aFunction(setter), enumerable: true, configurable: true });
-  }
-});
-
-},{"119":119,"29":29,"3":3,"33":33,"72":72,"74":74}],291:[function(_dereq_,module,exports){
+},{"13":13,"18":18,"39":39}],265:[function(_dereq_,module,exports){
 // https://github.com/tc39/proposal-object-values-entries
-var $export = _dereq_(33);
-var $entries = _dereq_(84)(true);
+var $export = _dereq_(39);
+var $entries = _dereq_(85)(true);
 
 $export($export.S, 'Object', {
   entries: function entries(it) {
@@ -5967,13 +5652,13 @@ $export($export.S, 'Object', {
   }
 });
 
-},{"33":33,"84":84}],292:[function(_dereq_,module,exports){
+},{"39":39,"85":85}],266:[function(_dereq_,module,exports){
 // https://github.com/tc39/proposal-object-getownpropertydescriptors
-var $export = _dereq_(33);
-var ownKeys = _dereq_(85);
-var toIObject = _dereq_(117);
-var gOPD = _dereq_(75);
-var createProperty = _dereq_(24);
+var $export = _dereq_(39);
+var ownKeys = _dereq_(86);
+var toIObject = _dereq_(113);
+var gOPD = _dereq_(76);
+var createProperty = _dereq_(30);
 
 $export($export.S, 'Object', {
   getOwnPropertyDescriptors: function getOwnPropertyDescriptors(object) {
@@ -5991,50 +5676,10 @@ $export($export.S, 'Object', {
   }
 });
 
-},{"117":117,"24":24,"33":33,"75":75,"85":85}],293:[function(_dereq_,module,exports){
-'use strict';
-var $export = _dereq_(33);
-var toObject = _dereq_(119);
-var toPrimitive = _dereq_(120);
-var getPrototypeOf = _dereq_(79);
-var getOwnPropertyDescriptor = _dereq_(75).f;
-
-// B.2.2.4 Object.prototype.__lookupGetter__(P)
-_dereq_(29) && $export($export.P + _dereq_(74), 'Object', {
-  __lookupGetter__: function __lookupGetter__(P) {
-    var O = toObject(this);
-    var K = toPrimitive(P, true);
-    var D;
-    do {
-      if (D = getOwnPropertyDescriptor(O, K)) return D.get;
-    } while (O = getPrototypeOf(O));
-  }
-});
-
-},{"119":119,"120":120,"29":29,"33":33,"74":74,"75":75,"79":79}],294:[function(_dereq_,module,exports){
-'use strict';
-var $export = _dereq_(33);
-var toObject = _dereq_(119);
-var toPrimitive = _dereq_(120);
-var getPrototypeOf = _dereq_(79);
-var getOwnPropertyDescriptor = _dereq_(75).f;
-
-// B.2.2.5 Object.prototype.__lookupSetter__(P)
-_dereq_(29) && $export($export.P + _dereq_(74), 'Object', {
-  __lookupSetter__: function __lookupSetter__(P) {
-    var O = toObject(this);
-    var K = toPrimitive(P, true);
-    var D;
-    do {
-      if (D = getOwnPropertyDescriptor(O, K)) return D.set;
-    } while (O = getPrototypeOf(O));
-  }
-});
-
-},{"119":119,"120":120,"29":29,"33":33,"74":74,"75":75,"79":79}],295:[function(_dereq_,module,exports){
+},{"113":113,"30":30,"39":39,"76":76,"86":86}],267:[function(_dereq_,module,exports){
 // https://github.com/tc39/proposal-object-values-entries
-var $export = _dereq_(33);
-var $values = _dereq_(84)(false);
+var $export = _dereq_(39);
+var $values = _dereq_(85)(false);
 
 $export($export.S, 'Object', {
   values: function values(it) {
@@ -6042,215 +5687,14 @@ $export($export.S, 'Object', {
   }
 });
 
-},{"33":33,"84":84}],296:[function(_dereq_,module,exports){
-'use strict';
-// https://github.com/zenparsing/es-observable
-var $export = _dereq_(33);
-var global = _dereq_(40);
-var core = _dereq_(23);
-var microtask = _dereq_(68)();
-var OBSERVABLE = _dereq_(128)('observable');
-var aFunction = _dereq_(3);
-var anObject = _dereq_(7);
-var anInstance = _dereq_(6);
-var redefineAll = _dereq_(93);
-var hide = _dereq_(42);
-var forOf = _dereq_(39);
-var RETURN = forOf.RETURN;
-
-var getMethod = function (fn) {
-  return fn == null ? undefined : aFunction(fn);
-};
-
-var cleanupSubscription = function (subscription) {
-  var cleanup = subscription._c;
-  if (cleanup) {
-    subscription._c = undefined;
-    cleanup();
-  }
-};
-
-var subscriptionClosed = function (subscription) {
-  return subscription._o === undefined;
-};
-
-var closeSubscription = function (subscription) {
-  if (!subscriptionClosed(subscription)) {
-    subscription._o = undefined;
-    cleanupSubscription(subscription);
-  }
-};
-
-var Subscription = function (observer, subscriber) {
-  anObject(observer);
-  this._c = undefined;
-  this._o = observer;
-  observer = new SubscriptionObserver(this);
-  try {
-    var cleanup = subscriber(observer);
-    var subscription = cleanup;
-    if (cleanup != null) {
-      if (typeof cleanup.unsubscribe === 'function') cleanup = function () { subscription.unsubscribe(); };
-      else aFunction(cleanup);
-      this._c = cleanup;
-    }
-  } catch (e) {
-    observer.error(e);
-    return;
-  } if (subscriptionClosed(this)) cleanupSubscription(this);
-};
-
-Subscription.prototype = redefineAll({}, {
-  unsubscribe: function unsubscribe() { closeSubscription(this); }
-});
-
-var SubscriptionObserver = function (subscription) {
-  this._s = subscription;
-};
-
-SubscriptionObserver.prototype = redefineAll({}, {
-  next: function next(value) {
-    var subscription = this._s;
-    if (!subscriptionClosed(subscription)) {
-      var observer = subscription._o;
-      try {
-        var m = getMethod(observer.next);
-        if (m) return m.call(observer, value);
-      } catch (e) {
-        try {
-          closeSubscription(subscription);
-        } finally {
-          throw e;
-        }
-      }
-    }
-  },
-  error: function error(value) {
-    var subscription = this._s;
-    if (subscriptionClosed(subscription)) throw value;
-    var observer = subscription._o;
-    subscription._o = undefined;
-    try {
-      var m = getMethod(observer.error);
-      if (!m) throw value;
-      value = m.call(observer, value);
-    } catch (e) {
-      try {
-        cleanupSubscription(subscription);
-      } finally {
-        throw e;
-      }
-    } cleanupSubscription(subscription);
-    return value;
-  },
-  complete: function complete(value) {
-    var subscription = this._s;
-    if (!subscriptionClosed(subscription)) {
-      var observer = subscription._o;
-      subscription._o = undefined;
-      try {
-        var m = getMethod(observer.complete);
-        value = m ? m.call(observer, value) : undefined;
-      } catch (e) {
-        try {
-          cleanupSubscription(subscription);
-        } finally {
-          throw e;
-        }
-      } cleanupSubscription(subscription);
-      return value;
-    }
-  }
-});
-
-var $Observable = function Observable(subscriber) {
-  anInstance(this, $Observable, 'Observable', '_f')._f = aFunction(subscriber);
-};
-
-redefineAll($Observable.prototype, {
-  subscribe: function subscribe(observer) {
-    return new Subscription(observer, this._f);
-  },
-  forEach: function forEach(fn) {
-    var that = this;
-    return new (core.Promise || global.Promise)(function (resolve, reject) {
-      aFunction(fn);
-      var subscription = that.subscribe({
-        next: function (value) {
-          try {
-            return fn(value);
-          } catch (e) {
-            reject(e);
-            subscription.unsubscribe();
-          }
-        },
-        error: reject,
-        complete: resolve
-      });
-    });
-  }
-});
-
-redefineAll($Observable, {
-  from: function from(x) {
-    var C = typeof this === 'function' ? this : $Observable;
-    var method = getMethod(anObject(x)[OBSERVABLE]);
-    if (method) {
-      var observable = anObject(method.call(x));
-      return observable.constructor === C ? observable : new C(function (observer) {
-        return observable.subscribe(observer);
-      });
-    }
-    return new C(function (observer) {
-      var done = false;
-      microtask(function () {
-        if (!done) {
-          try {
-            if (forOf(x, false, function (it) {
-              observer.next(it);
-              if (done) return RETURN;
-            }) === RETURN) return;
-          } catch (e) {
-            if (done) throw e;
-            observer.error(e);
-            return;
-          } observer.complete();
-        }
-      });
-      return function () { done = true; };
-    });
-  },
-  of: function of() {
-    for (var i = 0, l = arguments.length, items = Array(l); i < l;) items[i] = arguments[i++];
-    return new (typeof this === 'function' ? this : $Observable)(function (observer) {
-      var done = false;
-      microtask(function () {
-        if (!done) {
-          for (var j = 0; j < items.length; ++j) {
-            observer.next(items[j]);
-            if (done) return;
-          } observer.complete();
-        }
-      });
-      return function () { done = true; };
-    });
-  }
-});
-
-hide($Observable.prototype, OBSERVABLE, function () { return this; });
-
-$export($export.G, { Observable: $Observable });
-
-_dereq_(100)('Observable');
-
-},{"100":100,"128":128,"23":23,"3":3,"33":33,"39":39,"40":40,"42":42,"6":6,"68":68,"7":7,"93":93}],297:[function(_dereq_,module,exports){
+},{"39":39,"85":85}],268:[function(_dereq_,module,exports){
 // https://github.com/tc39/proposal-promise-finally
 'use strict';
-var $export = _dereq_(33);
-var core = _dereq_(23);
-var global = _dereq_(40);
-var speciesConstructor = _dereq_(104);
-var promiseResolve = _dereq_(91);
+var $export = _dereq_(39);
+var core = _dereq_(29);
+var global = _dereq_(45);
+var speciesConstructor = _dereq_(100);
+var promiseResolve = _dereq_(90);
 
 $export($export.P + $export.R, 'Promise', { 'finally': function (onFinally) {
   var C = speciesConstructor(this, core.Promise || global.Promise);
@@ -6265,290 +5709,45 @@ $export($export.P + $export.R, 'Promise', { 'finally': function (onFinally) {
   );
 } });
 
-},{"104":104,"23":23,"33":33,"40":40,"91":91}],298:[function(_dereq_,module,exports){
-'use strict';
-// https://github.com/tc39/proposal-promise-try
-var $export = _dereq_(33);
-var newPromiseCapability = _dereq_(69);
-var perform = _dereq_(90);
-
-$export($export.S, 'Promise', { 'try': function (callbackfn) {
-  var promiseCapability = newPromiseCapability.f(this);
-  var result = perform(callbackfn);
-  (result.e ? promiseCapability.reject : promiseCapability.resolve)(result.v);
-  return promiseCapability.promise;
-} });
-
-},{"33":33,"69":69,"90":90}],299:[function(_dereq_,module,exports){
-var metadata = _dereq_(67);
-var anObject = _dereq_(7);
-var toMetaKey = metadata.key;
-var ordinaryDefineOwnMetadata = metadata.set;
-
-metadata.exp({ defineMetadata: function defineMetadata(metadataKey, metadataValue, target, targetKey) {
-  ordinaryDefineOwnMetadata(metadataKey, metadataValue, anObject(target), toMetaKey(targetKey));
-} });
-
-},{"67":67,"7":7}],300:[function(_dereq_,module,exports){
-var metadata = _dereq_(67);
-var anObject = _dereq_(7);
-var toMetaKey = metadata.key;
-var getOrCreateMetadataMap = metadata.map;
-var store = metadata.store;
-
-metadata.exp({ deleteMetadata: function deleteMetadata(metadataKey, target /* , targetKey */) {
-  var targetKey = arguments.length < 3 ? undefined : toMetaKey(arguments[2]);
-  var metadataMap = getOrCreateMetadataMap(anObject(target), targetKey, false);
-  if (metadataMap === undefined || !metadataMap['delete'](metadataKey)) return false;
-  if (metadataMap.size) return true;
-  var targetMetadata = store.get(target);
-  targetMetadata['delete'](targetKey);
-  return !!targetMetadata.size || store['delete'](target);
-} });
-
-},{"67":67,"7":7}],301:[function(_dereq_,module,exports){
-var Set = _dereq_(231);
-var from = _dereq_(10);
-var metadata = _dereq_(67);
-var anObject = _dereq_(7);
-var getPrototypeOf = _dereq_(79);
-var ordinaryOwnMetadataKeys = metadata.keys;
-var toMetaKey = metadata.key;
-
-var ordinaryMetadataKeys = function (O, P) {
-  var oKeys = ordinaryOwnMetadataKeys(O, P);
-  var parent = getPrototypeOf(O);
-  if (parent === null) return oKeys;
-  var pKeys = ordinaryMetadataKeys(parent, P);
-  return pKeys.length ? oKeys.length ? from(new Set(oKeys.concat(pKeys))) : pKeys : oKeys;
-};
-
-metadata.exp({ getMetadataKeys: function getMetadataKeys(target /* , targetKey */) {
-  return ordinaryMetadataKeys(anObject(target), arguments.length < 2 ? undefined : toMetaKey(arguments[1]));
-} });
-
-},{"10":10,"231":231,"67":67,"7":7,"79":79}],302:[function(_dereq_,module,exports){
-var metadata = _dereq_(67);
-var anObject = _dereq_(7);
-var getPrototypeOf = _dereq_(79);
-var ordinaryHasOwnMetadata = metadata.has;
-var ordinaryGetOwnMetadata = metadata.get;
-var toMetaKey = metadata.key;
-
-var ordinaryGetMetadata = function (MetadataKey, O, P) {
-  var hasOwn = ordinaryHasOwnMetadata(MetadataKey, O, P);
-  if (hasOwn) return ordinaryGetOwnMetadata(MetadataKey, O, P);
-  var parent = getPrototypeOf(O);
-  return parent !== null ? ordinaryGetMetadata(MetadataKey, parent, P) : undefined;
-};
-
-metadata.exp({ getMetadata: function getMetadata(metadataKey, target /* , targetKey */) {
-  return ordinaryGetMetadata(metadataKey, anObject(target), arguments.length < 3 ? undefined : toMetaKey(arguments[2]));
-} });
-
-},{"67":67,"7":7,"79":79}],303:[function(_dereq_,module,exports){
-var metadata = _dereq_(67);
-var anObject = _dereq_(7);
-var ordinaryOwnMetadataKeys = metadata.keys;
-var toMetaKey = metadata.key;
-
-metadata.exp({ getOwnMetadataKeys: function getOwnMetadataKeys(target /* , targetKey */) {
-  return ordinaryOwnMetadataKeys(anObject(target), arguments.length < 2 ? undefined : toMetaKey(arguments[1]));
-} });
-
-},{"67":67,"7":7}],304:[function(_dereq_,module,exports){
-var metadata = _dereq_(67);
-var anObject = _dereq_(7);
-var ordinaryGetOwnMetadata = metadata.get;
-var toMetaKey = metadata.key;
-
-metadata.exp({ getOwnMetadata: function getOwnMetadata(metadataKey, target /* , targetKey */) {
-  return ordinaryGetOwnMetadata(metadataKey, anObject(target)
-    , arguments.length < 3 ? undefined : toMetaKey(arguments[2]));
-} });
-
-},{"67":67,"7":7}],305:[function(_dereq_,module,exports){
-var metadata = _dereq_(67);
-var anObject = _dereq_(7);
-var getPrototypeOf = _dereq_(79);
-var ordinaryHasOwnMetadata = metadata.has;
-var toMetaKey = metadata.key;
-
-var ordinaryHasMetadata = function (MetadataKey, O, P) {
-  var hasOwn = ordinaryHasOwnMetadata(MetadataKey, O, P);
-  if (hasOwn) return true;
-  var parent = getPrototypeOf(O);
-  return parent !== null ? ordinaryHasMetadata(MetadataKey, parent, P) : false;
-};
-
-metadata.exp({ hasMetadata: function hasMetadata(metadataKey, target /* , targetKey */) {
-  return ordinaryHasMetadata(metadataKey, anObject(target), arguments.length < 3 ? undefined : toMetaKey(arguments[2]));
-} });
-
-},{"67":67,"7":7,"79":79}],306:[function(_dereq_,module,exports){
-var metadata = _dereq_(67);
-var anObject = _dereq_(7);
-var ordinaryHasOwnMetadata = metadata.has;
-var toMetaKey = metadata.key;
-
-metadata.exp({ hasOwnMetadata: function hasOwnMetadata(metadataKey, target /* , targetKey */) {
-  return ordinaryHasOwnMetadata(metadataKey, anObject(target)
-    , arguments.length < 3 ? undefined : toMetaKey(arguments[2]));
-} });
-
-},{"67":67,"7":7}],307:[function(_dereq_,module,exports){
-var $metadata = _dereq_(67);
-var anObject = _dereq_(7);
-var aFunction = _dereq_(3);
-var toMetaKey = $metadata.key;
-var ordinaryDefineOwnMetadata = $metadata.set;
-
-$metadata.exp({ metadata: function metadata(metadataKey, metadataValue) {
-  return function decorator(target, targetKey) {
-    ordinaryDefineOwnMetadata(
-      metadataKey, metadataValue,
-      (targetKey !== undefined ? anObject : aFunction)(target),
-      toMetaKey(targetKey)
-    );
-  };
-} });
-
-},{"3":3,"67":67,"7":7}],308:[function(_dereq_,module,exports){
-// https://tc39.github.io/proposal-setmap-offrom/#sec-set.from
-_dereq_(97)('Set');
-
-},{"97":97}],309:[function(_dereq_,module,exports){
-// https://tc39.github.io/proposal-setmap-offrom/#sec-set.of
-_dereq_(98)('Set');
-
-},{"98":98}],310:[function(_dereq_,module,exports){
-// https://github.com/DavidBruant/Map-Set.prototype.toJSON
-var $export = _dereq_(33);
-
-$export($export.P + $export.R, 'Set', { toJSON: _dereq_(20)('Set') });
-
-},{"20":20,"33":33}],311:[function(_dereq_,module,exports){
-'use strict';
-// https://github.com/mathiasbynens/String.prototype.at
-var $export = _dereq_(33);
-var $at = _dereq_(106)(true);
-
-$export($export.P, 'String', {
-  at: function at(pos) {
-    return $at(this, pos);
-  }
-});
-
-},{"106":106,"33":33}],312:[function(_dereq_,module,exports){
-'use strict';
-// https://tc39.github.io/String.prototype.matchAll/
-var $export = _dereq_(33);
-var defined = _dereq_(28);
-var toLength = _dereq_(118);
-var isRegExp = _dereq_(52);
-var getFlags = _dereq_(37);
-var RegExpProto = RegExp.prototype;
-
-var $RegExpStringIterator = function (regexp, string) {
-  this._r = regexp;
-  this._s = string;
-};
-
-_dereq_(54)($RegExpStringIterator, 'RegExp String', function next() {
-  var match = this._r.exec(this._s);
-  return { value: match, done: match === null };
-});
-
-$export($export.P, 'String', {
-  matchAll: function matchAll(regexp) {
-    defined(this);
-    if (!isRegExp(regexp)) throw TypeError(regexp + ' is not a regexp!');
-    var S = String(this);
-    var flags = 'flags' in RegExpProto ? String(regexp.flags) : getFlags.call(regexp);
-    var rx = new RegExp(regexp.source, ~flags.indexOf('g') ? flags : 'g' + flags);
-    rx.lastIndex = toLength(regexp.lastIndex);
-    return new $RegExpStringIterator(rx, S);
-  }
-});
-
-},{"118":118,"28":28,"33":33,"37":37,"52":52,"54":54}],313:[function(_dereq_,module,exports){
+},{"100":100,"29":29,"39":39,"45":45,"90":90}],269:[function(_dereq_,module,exports){
 'use strict';
 // https://github.com/tc39/proposal-string-pad-start-end
-var $export = _dereq_(33);
-var $pad = _dereq_(109);
+var $export = _dereq_(39);
+var $pad = _dereq_(105);
+var userAgent = _dereq_(121);
 
-$export($export.P, 'String', {
+// https://github.com/zloirock/core-js/issues/280
+$export($export.P + $export.F * /Version\/10\.\d+(\.\d+)? Safari\//.test(userAgent), 'String', {
   padEnd: function padEnd(maxLength /* , fillString = ' ' */) {
     return $pad(this, maxLength, arguments.length > 1 ? arguments[1] : undefined, false);
   }
 });
 
-},{"109":109,"33":33}],314:[function(_dereq_,module,exports){
+},{"105":105,"121":121,"39":39}],270:[function(_dereq_,module,exports){
 'use strict';
 // https://github.com/tc39/proposal-string-pad-start-end
-var $export = _dereq_(33);
-var $pad = _dereq_(109);
+var $export = _dereq_(39);
+var $pad = _dereq_(105);
+var userAgent = _dereq_(121);
 
-$export($export.P, 'String', {
+// https://github.com/zloirock/core-js/issues/280
+$export($export.P + $export.F * /Version\/10\.\d+(\.\d+)? Safari\//.test(userAgent), 'String', {
   padStart: function padStart(maxLength /* , fillString = ' ' */) {
     return $pad(this, maxLength, arguments.length > 1 ? arguments[1] : undefined, true);
   }
 });
 
-},{"109":109,"33":33}],315:[function(_dereq_,module,exports){
-'use strict';
-// https://github.com/sebmarkbage/ecmascript-string-left-right-trim
-_dereq_(111)('trimLeft', function ($trim) {
-  return function trimLeft() {
-    return $trim(this, 1);
-  };
-}, 'trimStart');
+},{"105":105,"121":121,"39":39}],271:[function(_dereq_,module,exports){
+_dereq_(123)('asyncIterator');
 
-},{"111":111}],316:[function(_dereq_,module,exports){
-'use strict';
-// https://github.com/sebmarkbage/ecmascript-string-left-right-trim
-_dereq_(111)('trimRight', function ($trim) {
-  return function trimRight() {
-    return $trim(this, 2);
-  };
-}, 'trimEnd');
-
-},{"111":111}],317:[function(_dereq_,module,exports){
-_dereq_(126)('asyncIterator');
-
-},{"126":126}],318:[function(_dereq_,module,exports){
-_dereq_(126)('observable');
-
-},{"126":126}],319:[function(_dereq_,module,exports){
-// https://github.com/tc39/proposal-global
-var $export = _dereq_(33);
-
-$export($export.S, 'System', { global: _dereq_(40) });
-
-},{"33":33,"40":40}],320:[function(_dereq_,module,exports){
-// https://tc39.github.io/proposal-setmap-offrom/#sec-weakmap.from
-_dereq_(97)('WeakMap');
-
-},{"97":97}],321:[function(_dereq_,module,exports){
-// https://tc39.github.io/proposal-setmap-offrom/#sec-weakmap.of
-_dereq_(98)('WeakMap');
-
-},{"98":98}],322:[function(_dereq_,module,exports){
-// https://tc39.github.io/proposal-setmap-offrom/#sec-weakset.from
-_dereq_(97)('WeakSet');
-
-},{"97":97}],323:[function(_dereq_,module,exports){
-// https://tc39.github.io/proposal-setmap-offrom/#sec-weakset.of
-_dereq_(98)('WeakSet');
-
-},{"98":98}],324:[function(_dereq_,module,exports){
-var $iterators = _dereq_(141);
-var getKeys = _dereq_(81);
-var redefine = _dereq_(94);
-var global = _dereq_(40);
-var hide = _dereq_(42);
-var Iterators = _dereq_(58);
-var wks = _dereq_(128);
+},{"123":123}],272:[function(_dereq_,module,exports){
+var $iterators = _dereq_(137);
+var getKeys = _dereq_(82);
+var redefine = _dereq_(93);
+var global = _dereq_(45);
+var hide = _dereq_(47);
+var Iterators = _dereq_(63);
+var wks = _dereq_(125);
 var ITERATOR = wks('iterator');
 var TO_STRING_TAG = wks('toStringTag');
 var ArrayValues = Iterators.Array;
@@ -6601,246 +5800,48 @@ for (var collections = getKeys(DOMIterables), i = 0; i < collections.length; i++
   }
 }
 
-},{"128":128,"141":141,"40":40,"42":42,"58":58,"81":81,"94":94}],325:[function(_dereq_,module,exports){
-var $export = _dereq_(33);
-var $task = _dereq_(113);
+},{"125":125,"137":137,"45":45,"47":47,"63":63,"82":82,"93":93}],273:[function(_dereq_,module,exports){
+var $export = _dereq_(39);
+var $task = _dereq_(109);
 $export($export.G + $export.B, {
   setImmediate: $task.set,
   clearImmediate: $task.clear
 });
 
-},{"113":113,"33":33}],326:[function(_dereq_,module,exports){
+},{"109":109,"39":39}],274:[function(_dereq_,module,exports){
 // ie9- setTimeout & setInterval additional parameters fix
-var global = _dereq_(40);
-var $export = _dereq_(33);
-var invoke = _dereq_(46);
-var partial = _dereq_(88);
-var navigator = global.navigator;
-var MSIE = !!navigator && /MSIE .\./.test(navigator.userAgent); // <- dirty ie9- check
+var global = _dereq_(45);
+var $export = _dereq_(39);
+var userAgent = _dereq_(121);
+var slice = [].slice;
+var MSIE = /MSIE .\./.test(userAgent); // <- dirty ie9- check
 var wrap = function (set) {
-  return MSIE ? function (fn, time /* , ...args */) {
-    return set(invoke(
-      partial,
-      [].slice.call(arguments, 2),
+  return function (fn, time /* , ...args */) {
+    var boundArgs = arguments.length > 2;
+    var args = boundArgs ? slice.call(arguments, 2) : false;
+    return set(boundArgs ? function () {
       // eslint-disable-next-line no-new-func
-      typeof fn == 'function' ? fn : Function(fn)
-    ), time);
-  } : set;
+      (typeof fn == 'function' ? fn : Function(fn)).apply(this, args);
+    } : fn, time);
+  };
 };
 $export($export.G + $export.B + $export.F * MSIE, {
   setTimeout: wrap(global.setTimeout),
   setInterval: wrap(global.setInterval)
 });
 
-},{"33":33,"40":40,"46":46,"88":88}],327:[function(_dereq_,module,exports){
-_dereq_(254);
-_dereq_(191);
-_dereq_(193);
-_dereq_(192);
-_dereq_(195);
-_dereq_(197);
-_dereq_(202);
-_dereq_(196);
-_dereq_(194);
-_dereq_(204);
-_dereq_(203);
-_dereq_(199);
-_dereq_(200);
-_dereq_(198);
-_dereq_(190);
-_dereq_(201);
-_dereq_(205);
-_dereq_(206);
-_dereq_(157);
-_dereq_(159);
-_dereq_(158);
-_dereq_(208);
-_dereq_(207);
-_dereq_(178);
-_dereq_(188);
-_dereq_(189);
-_dereq_(179);
-_dereq_(180);
-_dereq_(181);
-_dereq_(182);
-_dereq_(183);
-_dereq_(184);
-_dereq_(185);
-_dereq_(186);
-_dereq_(187);
-_dereq_(161);
-_dereq_(162);
-_dereq_(163);
-_dereq_(164);
-_dereq_(165);
-_dereq_(166);
-_dereq_(167);
-_dereq_(168);
-_dereq_(169);
-_dereq_(170);
-_dereq_(171);
-_dereq_(172);
-_dereq_(173);
-_dereq_(174);
-_dereq_(175);
-_dereq_(176);
-_dereq_(177);
-_dereq_(241);
-_dereq_(246);
-_dereq_(253);
-_dereq_(244);
-_dereq_(236);
-_dereq_(237);
-_dereq_(242);
-_dereq_(247);
-_dereq_(249);
-_dereq_(232);
-_dereq_(233);
-_dereq_(234);
-_dereq_(235);
-_dereq_(238);
-_dereq_(239);
-_dereq_(240);
-_dereq_(243);
-_dereq_(245);
-_dereq_(248);
-_dereq_(250);
-_dereq_(251);
-_dereq_(252);
-_dereq_(152);
-_dereq_(154);
-_dereq_(153);
-_dereq_(156);
-_dereq_(155);
-_dereq_(140);
-_dereq_(138);
-_dereq_(145);
-_dereq_(142);
-_dereq_(148);
-_dereq_(150);
-_dereq_(137);
-_dereq_(144);
-_dereq_(134);
-_dereq_(149);
-_dereq_(132);
-_dereq_(147);
-_dereq_(146);
-_dereq_(139);
-_dereq_(143);
-_dereq_(131);
-_dereq_(133);
-_dereq_(136);
-_dereq_(135);
-_dereq_(151);
-_dereq_(141);
-_dereq_(224);
-_dereq_(230);
-_dereq_(225);
-_dereq_(226);
-_dereq_(227);
-_dereq_(228);
-_dereq_(229);
-_dereq_(209);
-_dereq_(160);
-_dereq_(231);
-_dereq_(266);
-_dereq_(267);
-_dereq_(255);
-_dereq_(256);
-_dereq_(261);
-_dereq_(264);
-_dereq_(265);
-_dereq_(259);
-_dereq_(262);
-_dereq_(260);
-_dereq_(263);
-_dereq_(257);
-_dereq_(258);
-_dereq_(210);
-_dereq_(211);
-_dereq_(212);
-_dereq_(213);
-_dereq_(214);
-_dereq_(217);
-_dereq_(215);
-_dereq_(216);
-_dereq_(218);
-_dereq_(219);
-_dereq_(220);
-_dereq_(221);
-_dereq_(223);
-_dereq_(222);
-_dereq_(270);
-_dereq_(268);
-_dereq_(269);
-_dereq_(311);
-_dereq_(314);
-_dereq_(313);
-_dereq_(315);
-_dereq_(316);
-_dereq_(312);
-_dereq_(317);
-_dereq_(318);
-_dereq_(292);
-_dereq_(295);
-_dereq_(291);
-_dereq_(289);
-_dereq_(290);
-_dereq_(293);
-_dereq_(294);
-_dereq_(276);
-_dereq_(310);
-_dereq_(275);
-_dereq_(309);
-_dereq_(321);
-_dereq_(323);
+},{"121":121,"39":39,"45":45}],275:[function(_dereq_,module,exports){
 _dereq_(274);
-_dereq_(308);
-_dereq_(320);
-_dereq_(322);
 _dereq_(273);
-_dereq_(319);
 _dereq_(272);
-_dereq_(277);
-_dereq_(278);
-_dereq_(279);
-_dereq_(280);
-_dereq_(281);
-_dereq_(283);
-_dereq_(282);
-_dereq_(284);
-_dereq_(285);
-_dereq_(286);
-_dereq_(288);
-_dereq_(287);
-_dereq_(297);
-_dereq_(298);
-_dereq_(299);
-_dereq_(300);
-_dereq_(302);
-_dereq_(301);
-_dereq_(304);
-_dereq_(303);
-_dereq_(305);
-_dereq_(306);
-_dereq_(307);
-_dereq_(271);
-_dereq_(296);
-_dereq_(326);
-_dereq_(325);
-_dereq_(324);
-module.exports = _dereq_(23);
+module.exports = _dereq_(29);
 
-},{"131":131,"132":132,"133":133,"134":134,"135":135,"136":136,"137":137,"138":138,"139":139,"140":140,"141":141,"142":142,"143":143,"144":144,"145":145,"146":146,"147":147,"148":148,"149":149,"150":150,"151":151,"152":152,"153":153,"154":154,"155":155,"156":156,"157":157,"158":158,"159":159,"160":160,"161":161,"162":162,"163":163,"164":164,"165":165,"166":166,"167":167,"168":168,"169":169,"170":170,"171":171,"172":172,"173":173,"174":174,"175":175,"176":176,"177":177,"178":178,"179":179,"180":180,"181":181,"182":182,"183":183,"184":184,"185":185,"186":186,"187":187,"188":188,"189":189,"190":190,"191":191,"192":192,"193":193,"194":194,"195":195,"196":196,"197":197,"198":198,"199":199,"200":200,"201":201,"202":202,"203":203,"204":204,"205":205,"206":206,"207":207,"208":208,"209":209,"210":210,"211":211,"212":212,"213":213,"214":214,"215":215,"216":216,"217":217,"218":218,"219":219,"220":220,"221":221,"222":222,"223":223,"224":224,"225":225,"226":226,"227":227,"228":228,"229":229,"23":23,"230":230,"231":231,"232":232,"233":233,"234":234,"235":235,"236":236,"237":237,"238":238,"239":239,"240":240,"241":241,"242":242,"243":243,"244":244,"245":245,"246":246,"247":247,"248":248,"249":249,"250":250,"251":251,"252":252,"253":253,"254":254,"255":255,"256":256,"257":257,"258":258,"259":259,"260":260,"261":261,"262":262,"263":263,"264":264,"265":265,"266":266,"267":267,"268":268,"269":269,"270":270,"271":271,"272":272,"273":273,"274":274,"275":275,"276":276,"277":277,"278":278,"279":279,"280":280,"281":281,"282":282,"283":283,"284":284,"285":285,"286":286,"287":287,"288":288,"289":289,"290":290,"291":291,"292":292,"293":293,"294":294,"295":295,"296":296,"297":297,"298":298,"299":299,"300":300,"301":301,"302":302,"303":303,"304":304,"305":305,"306":306,"307":307,"308":308,"309":309,"310":310,"311":311,"312":312,"313":313,"314":314,"315":315,"316":316,"317":317,"318":318,"319":319,"320":320,"321":321,"322":322,"323":323,"324":324,"325":325,"326":326}],328:[function(_dereq_,module,exports){
-(function (global){
+},{"272":272,"273":273,"274":274,"29":29}],276:[function(_dereq_,module,exports){
 /**
- * Copyright (c) 2014, Facebook, Inc.
- * All rights reserved.
+ * Copyright (c) 2014-present, Facebook, Inc.
  *
- * This source code is licensed under the BSD-style license found in the
- * https://raw.github.com/facebook/regenerator/master/LICENSE file. An
- * additional grant of patent rights can be found in the PATENTS file in
- * the same directory.
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
  */
 
 !(function(global) {
@@ -7025,10 +6026,6 @@ module.exports = _dereq_(23);
       }
     }
 
-    if (typeof global.process === "object" && global.process.domain) {
-      invoke = global.process.domain.bind(invoke);
-    }
-
     var previousPromise;
 
     function enqueue(method, arg) {
@@ -7562,13 +6559,10 @@ module.exports = _dereq_(23);
     }
   };
 })(
-  // Among the various tricks for obtaining a reference to the global
-  // object, this seems to be the most reliable technique that does not
-  // use indirect eval (which violates Content Security Policy).
-  typeof global === "object" ? global :
-  typeof window === "object" ? window :
-  typeof self === "object" ? self : this
+  // In sloppy mode, unbound `this` refers to the global object, fallback to
+  // Function constructor if we're in global strict mode. That is sadly a form
+  // of indirect eval which violates Content Security Policy.
+  (function() { return this })() || Function("return this")()
 );
 
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
 },{}]},{},[1]);
diff --git a/editor/external/@babel/polyfill/polyfill.min.js b/editor/external/@babel/polyfill/polyfill.min.js
new file mode 100644
index 00000000..08a010af
--- /dev/null
+++ b/editor/external/@babel/polyfill/polyfill.min.js
@@ -0,0 +1,3 @@
+!function(){function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var c="function"==typeof require&&require;if(!u&&c)return c(o,!0);if(i)return i(o,!0);var a=new Error("Cannot find module '"+o+"'");throw a.code="MODULE_NOT_FOUND",a}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(n){var r=t[o][1][n];return s(r||n)},f,f.exports,e,t,n,r)}return n[o].exports}for(var i="function"==typeof require&&require,o=0;o<r.length;o++)s(r[o]);return s}return e}()({1:[function(t,n,r){(function(n){"use strict";t(2),t(3),t(9),t(8),t(10),t(5),t(6),t(4),t(7),t(275),t(276),n._babelPolyfill&&"undefined"!=typeof console&&console.warn&&console.warn("@babel/polyfill is loaded more than once on this page. This is probably not desirable/intended and may have consequences if different versions of the polyfills are applied sequentially. If you do need to load the polyfill more than once, use @babel/polyfill/noConflict instead to bypass the warning."),n._babelPolyfill=!0}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof 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e=t(31),i=t(52),o=t(115),u=t(114),c=t(22);n.exports=function(t,n){var r=1==t,a=2==t,f=3==t,s=4==t,l=6==t,h=5==t||l,p=n||c;return function(n,c,v){for(var y,d,g=o(n),m=i(g),x=e(c,v,3),b=u(m.length),w=0,S=r?p(n,b):a?p(n,0):void 0;b>w;w++)if((h||w in m)&&(y=m[w],d=x(y,w,g),t))if(r)S[w]=d;else if(d)switch(t){case 3:return!0;case 5:return y;case 6:return w;case 2:S.push(y)}else if(s)return!1;return l?-1:f||s?s:S}}},{114:114,115:115,22:22,31:31,52:52}],20:[function(t,n,r){var e=t(11),i=t(115),o=t(52),u=t(114);n.exports=function(t,n,r,c,a){e(n);var f=i(t),s=o(f),l=u(f.length),h=a?l-1:0,p=a?-1:1;if(r<2)for(;;){if(h in s){c=s[h],h+=p;break}if(h+=p,a?h<0:l<=h)throw TypeError("Reduce of empty array with no initial value")}for(;a?h>=0:l>h;h+=p)h in s&&(c=n(c,s[h],h,f));return c}},{11:11,114:114,115:115,52:52}],21:[function(t,n,r){var e=t(56),i=t(54),o=t(125)("species");n.exports=function(t){var n;return i(t)&&(n=t.constructor,"function"!=typeof n||n!==Array&&!i(n.prototype)||(n=void 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diff --git a/editor/svg-editor-es.html b/editor/svg-editor-es.html
index 636f6e1b..e0262da3 100644
--- a/editor/svg-editor-es.html
+++ b/editor/svg-editor-es.html
@@ -25,7 +25,7 @@
     <!-- The following could be removed for more modern browsers; currently
       using for at least `String.prototype.includes`, `Array.prototype.includes`,
       `String.prototype.startsWith` -->
-    <script src="external/babel-polyfill/polyfill.min.js"></script>
+    <script src="external/@babel/polyfill/polyfill.min.js"></script>
     <!-- If you do not wish to add extensions by URL, you can load them
     by creating the following file and adding by calls to svgEditor.setConfig -->
     <script type="module" src="../svgedit-config-es.js"></script>
diff --git a/editor/svg-editor.html b/editor/svg-editor.html
index c6149346..4fc83cc2 100644
--- a/editor/svg-editor.html
+++ b/editor/svg-editor.html
@@ -26,7 +26,7 @@
     <!-- The following could be removed for more modern browsers; currently
       using for at least `String.prototype.includes`, `Array.prototype.includes`,
       `String.prototype.startsWith` -->
-    <script src="external/babel-polyfill/polyfill.min.js"></script>
+    <script src="external/@babel/polyfill/polyfill.min.js"></script>
     <!-- If you do not wish to add extensions by URL, you can load them
     by creating the following file and adding by calls to svgEditor.setConfig -->
     <script defer="defer" src="../svgedit-config-iife.js"></script>
diff --git a/editor/xdomain-svg-editor-es.html b/editor/xdomain-svg-editor-es.html
index 397763e1..5994ecf7 100644
--- a/editor/xdomain-svg-editor-es.html
+++ b/editor/xdomain-svg-editor-es.html
@@ -25,7 +25,7 @@
     <!-- The following could be removed for more modern browsers; currently
       using for at least `String.prototype.includes`, `Array.prototype.includes`,
       `String.prototype.startsWith` -->
-    <script src="external/babel-polyfill/polyfill.min.js"></script>
+    <script src="external/@babel/polyfill/polyfill.min.js"></script>
     <!-- If you do not wish to add extensions by URL, you can load them
     by creating the following file and adding by calls to svgEditor.setConfig -->
     <script type="module" src="xdomain-svgedit-config-es.js"></script>
diff --git a/editor/xdomain-svg-editor.html b/editor/xdomain-svg-editor.html
index 5cb18f09..fa73dd8a 100644
--- a/editor/xdomain-svg-editor.html
+++ b/editor/xdomain-svg-editor.html
@@ -26,7 +26,7 @@
     <!-- The following could be removed for more modern browsers; currently
       using for at least `String.prototype.includes`, `Array.prototype.includes`,
       `String.prototype.startsWith` -->
-    <script src="external/babel-polyfill/polyfill.min.js"></script>
+    <script src="external/@babel/polyfill/polyfill.min.js"></script>
     <!-- If you do not wish to add extensions by URL, you can load them
     by creating the following file and adding by calls to svgEditor.setConfig -->
     <script defer="defer" src="xdomain-svgedit-config-iife.js"></script>
diff --git a/editor/xdomain-svgedit-config-iife.js b/editor/xdomain-svgedit-config-iife.js
index e9401bae..78d8a0fe 100644
--- a/editor/xdomain-svgedit-config-iife.js
+++ b/editor/xdomain-svgedit-config-iife.js
@@ -1,20 +1,220 @@
 (function () {
   'use strict';
 
+  function _typeof(obj) {
+    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
+      _typeof = function (obj) {
+        return typeof obj;
+      };
+    } else {
+      _typeof = function (obj) {
+        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+      };
+    }
+
+    return _typeof(obj);
+  }
+
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
+
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
+        }
+
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
+      });
+    };
+  }
+
+  function _classCallCheck(instance, Constructor) {
+    if (!(instance instanceof Constructor)) {
+      throw new TypeError("Cannot call a class as a function");
+    }
+  }
+
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    return Constructor;
+  }
+
+  function _extends() {
+    _extends = Object.assign || function (target) {
+      for (var i = 1; i < arguments.length; i++) {
+        var source = arguments[i];
+
+        for (var key in source) {
+          if (Object.prototype.hasOwnProperty.call(source, key)) {
+            target[key] = source[key];
+          }
+        }
+      }
+
+      return target;
+    };
+
+    return _extends.apply(this, arguments);
+  }
+
+  function _inherits(subClass, superClass) {
+    if (typeof superClass !== "function" && superClass !== null) {
+      throw new TypeError("Super expression must either be null or a function");
+    }
+
+    subClass.prototype = Object.create(superClass && superClass.prototype, {
+      constructor: {
+        value: subClass,
+        writable: true,
+        configurable: true
+      }
+    });
+    if (superClass) _setPrototypeOf(subClass, superClass);
+  }
+
+  function _getPrototypeOf(o) {
+    _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
+      return o.__proto__ || Object.getPrototypeOf(o);
+    };
+    return _getPrototypeOf(o);
+  }
+
+  function _setPrototypeOf(o, p) {
+    _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
+      o.__proto__ = p;
+      return o;
+    };
+
+    return _setPrototypeOf(o, p);
+  }
+
+  function _assertThisInitialized(self) {
+    if (self === void 0) {
+      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+    }
+
+    return self;
+  }
+
+  function _possibleConstructorReturn(self, call) {
+    if (call && (typeof call === "object" || typeof call === "function")) {
+      return call;
+    }
+
+    return _assertThisInitialized(self);
+  }
+
+  function _slicedToArray(arr, i) {
+    return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();
+  }
+
+  function _toConsumableArray(arr) {
+    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
+  }
+
+  function _arrayWithoutHoles(arr) {
+    if (Array.isArray(arr)) {
+      for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+
+      return arr2;
+    }
+  }
+
+  function _arrayWithHoles(arr) {
+    if (Array.isArray(arr)) return arr;
+  }
+
+  function _iterableToArray(iter) {
+    if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+  }
+
+  function _iterableToArrayLimit(arr, i) {
+    var _arr = [];
+    var _n = true;
+    var _d = false;
+    var _e = undefined;
+
+    try {
+      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+        _arr.push(_s.value);
+
+        if (i && _arr.length === i) break;
+      }
+    } catch (err) {
+      _d = true;
+      _e = err;
+    } finally {
+      try {
+        if (!_n && _i["return"] != null) _i["return"]();
+      } finally {
+        if (_d) throw _e;
+      }
+    }
+
+    return _arr;
+  }
+
+  function _nonIterableSpread() {
+    throw new TypeError("Invalid attempt to spread non-iterable instance");
+  }
+
+  function _nonIterableRest() {
+    throw new TypeError("Invalid attempt to destructure non-iterable instance");
+  }
+
   // http://ross.posterous.com/2008/08/19/iphone-touch-events-in-javascript/
   function touchHandler(ev) {
     var changedTouches = ev.changedTouches,
         first = changedTouches[0];
-
-
     var type = '';
+
     switch (ev.type) {
       case 'touchstart':
-        type = 'mousedown';break;
+        type = 'mousedown';
+        break;
+
       case 'touchmove':
-        type = 'mousemove';break;
+        type = 'mousemove';
+        break;
+
       case 'touchend':
-        type = 'mouseup';break;
+        type = 'mouseup';
+        break;
+
       default:
         return;
     }
@@ -23,24 +223,29 @@
         screenY = first.screenY,
         clientX = first.clientX,
         clientY = first.clientY;
-
     var simulatedEvent = new MouseEvent(type, {
       // Event interface
       bubbles: true,
       cancelable: true,
       // UIEvent interface
       view: window,
-      detail: 1, // click count
+      detail: 1,
+      // click count
       // MouseEvent interface (customized)
-      screenX: screenX, screenY: screenY, clientX: clientX, clientY: clientY,
+      screenX: screenX,
+      screenY: screenY,
+      clientX: clientX,
+      clientY: clientY,
       // MouseEvent interface (defaults) - these could be removed
       ctrlKey: false,
       altKey: false,
       shiftKey: false,
       metaKey: false,
-      button: 0, // main button (usually left)
+      button: 0,
+      // main button (usually left)
       relatedTarget: null
     });
+
     if (changedTouches.length < 2) {
       first.target.dispatchEvent(simulatedEvent);
       ev.preventDefault();
@@ -52,151 +257,6 @@
   document.addEventListener('touchend', touchHandler, true);
   document.addEventListener('touchcancel', touchHandler, true);
 
-  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
-    return typeof obj;
-  } : function (obj) {
-    return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
-  };
-
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
-
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
-        }
-
-        return step("next");
-      });
-    };
-  };
-
-  var classCallCheck = function (instance, Constructor) {
-    if (!(instance instanceof Constructor)) {
-      throw new TypeError("Cannot call a class as a function");
-    }
-  };
-
-  var createClass = function () {
-    function defineProperties(target, props) {
-      for (var i = 0; i < props.length; i++) {
-        var descriptor = props[i];
-        descriptor.enumerable = descriptor.enumerable || false;
-        descriptor.configurable = true;
-        if ("value" in descriptor) descriptor.writable = true;
-        Object.defineProperty(target, descriptor.key, descriptor);
-      }
-    }
-
-    return function (Constructor, protoProps, staticProps) {
-      if (protoProps) defineProperties(Constructor.prototype, protoProps);
-      if (staticProps) defineProperties(Constructor, staticProps);
-      return Constructor;
-    };
-  }();
-
-  var _extends = Object.assign || function (target) {
-    for (var i = 1; i < arguments.length; i++) {
-      var source = arguments[i];
-
-      for (var key in source) {
-        if (Object.prototype.hasOwnProperty.call(source, key)) {
-          target[key] = source[key];
-        }
-      }
-    }
-
-    return target;
-  };
-
-  var inherits = function (subClass, superClass) {
-    if (typeof superClass !== "function" && superClass !== null) {
-      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
-    }
-
-    subClass.prototype = Object.create(superClass && superClass.prototype, {
-      constructor: {
-        value: subClass,
-        enumerable: false,
-        writable: true,
-        configurable: true
-      }
-    });
-    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
-  };
-
-  var possibleConstructorReturn = function (self, call) {
-    if (!self) {
-      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
-    }
-
-    return call && (typeof call === "object" || typeof call === "function") ? call : self;
-  };
-
-  var slicedToArray = function () {
-    function sliceIterator(arr, i) {
-      var _arr = [];
-      var _n = true;
-      var _d = false;
-      var _e = undefined;
-
-      try {
-        for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
-          _arr.push(_s.value);
-
-          if (i && _arr.length === i) break;
-        }
-      } catch (err) {
-        _d = true;
-        _e = err;
-      } finally {
-        try {
-          if (!_n && _i["return"]) _i["return"]();
-        } finally {
-          if (_d) throw _e;
-        }
-      }
-
-      return _arr;
-    }
-
-    return function (arr, i) {
-      if (Array.isArray(arr)) {
-        return arr;
-      } else if (Symbol.iterator in Object(arr)) {
-        return sliceIterator(arr, i);
-      } else {
-        throw new TypeError("Invalid attempt to destructure non-iterable instance");
-      }
-    };
-  }();
-
-  var toConsumableArray = function (arr) {
-    if (Array.isArray(arr)) {
-      for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
-
-      return arr2;
-    } else {
-      return Array.from(arr);
-    }
-  };
-
   /**
    * Namespaces or tools therefor
    * @module namespaces
@@ -217,16 +277,17 @@
     XLINK: 'http://www.w3.org/1999/xlink',
     XML: 'http://www.w3.org/XML/1998/namespace',
     XMLNS: 'http://www.w3.org/2000/xmlns/' // see http://www.w3.org/TR/REC-xml-names/#xmlReserved
-  };
 
+  };
   /**
   * @function module:namespaces.getReverseNS
   * @returns {string} The NS with key values switched and lowercase
   */
+
   var getReverseNS = function getReverseNS() {
     var reverseNS = {};
     Object.entries(NS).forEach(function (_ref) {
-      var _ref2 = slicedToArray(_ref, 2),
+      var _ref2 = _slicedToArray(_ref, 2),
           name = _ref2[0],
           URI = _ref2[1];
 
@@ -244,6 +305,7 @@
       SVGPathSegCurvetoCubicSmoothAbs, SVGPathSegCurvetoQuadraticRel,
       SVGPathSegCurvetoQuadraticAbs, SVGPathSegCurvetoQuadraticSmoothRel,
       SVGPathSegCurvetoQuadraticSmoothAbs, SVGPathSegArcRel, SVGPathSegArcAbs */
+
   /**
   * SVGPathSeg API polyfill
   * https://github.com/progers/pathseg
@@ -256,30 +318,31 @@
   (function () {
     if (!('SVGPathSeg' in window)) {
       // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSeg
-      var _SVGPathSeg = function () {
+      var _SVGPathSeg =
+      /*#__PURE__*/
+      function () {
         function _SVGPathSeg(type, typeAsLetter, owningPathSegList) {
-          classCallCheck(this, _SVGPathSeg);
+          _classCallCheck(this, _SVGPathSeg);
 
           this.pathSegType = type;
           this.pathSegTypeAsLetter = typeAsLetter;
           this._owningPathSegList = owningPathSegList;
-        }
-        // Notify owning PathSegList on any changes so they can be synchronized back to the path element.
+        } // Notify owning PathSegList on any changes so they can be synchronized back to the path element.
 
 
-        createClass(_SVGPathSeg, [{
-          key: '_segmentChanged',
+        _createClass(_SVGPathSeg, [{
+          key: "_segmentChanged",
           value: function _segmentChanged() {
             if (this._owningPathSegList) {
               this._owningPathSegList.segmentChanged(this);
             }
           }
         }]);
+
         return _SVGPathSeg;
       }();
 
       _SVGPathSeg.prototype.classname = 'SVGPathSeg';
-
       _SVGPathSeg.PATHSEG_UNKNOWN = 0;
       _SVGPathSeg.PATHSEG_CLOSEPATH = 1;
       _SVGPathSeg.PATHSEG_MOVETO_ABS = 2;
@@ -301,247 +364,401 @@
       _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = 18;
       _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = 19;
 
-      var _SVGPathSegClosePath = function (_SVGPathSeg2) {
-        inherits(_SVGPathSegClosePath, _SVGPathSeg2);
+      var _SVGPathSegClosePath =
+      /*#__PURE__*/
+      function (_SVGPathSeg2) {
+        _inherits(_SVGPathSegClosePath, _SVGPathSeg2);
 
         function _SVGPathSegClosePath(owningPathSegList) {
-          classCallCheck(this, _SVGPathSegClosePath);
-          return possibleConstructorReturn(this, (_SVGPathSegClosePath.__proto__ || Object.getPrototypeOf(_SVGPathSegClosePath)).call(this, _SVGPathSeg.PATHSEG_CLOSEPATH, 'z', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegClosePath);
+
+          return _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegClosePath).call(this, _SVGPathSeg.PATHSEG_CLOSEPATH, 'z', owningPathSegList));
         }
 
-        createClass(_SVGPathSegClosePath, [{
-          key: 'toString',
+        _createClass(_SVGPathSegClosePath, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegClosePath]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegClosePath(undefined);
           }
         }]);
+
         return _SVGPathSegClosePath;
       }(_SVGPathSeg);
 
-      var _SVGPathSegMovetoAbs = function (_SVGPathSeg3) {
-        inherits(_SVGPathSegMovetoAbs, _SVGPathSeg3);
+      var _SVGPathSegMovetoAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg3) {
+        _inherits(_SVGPathSegMovetoAbs, _SVGPathSeg3);
 
         function _SVGPathSegMovetoAbs(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegMovetoAbs);
+          var _this;
 
-          var _this2 = possibleConstructorReturn(this, (_SVGPathSegMovetoAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegMovetoAbs)).call(this, _SVGPathSeg.PATHSEG_MOVETO_ABS, 'M', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegMovetoAbs);
 
-          _this2._x = x;
-          _this2._y = y;
-          return _this2;
+          _this = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegMovetoAbs).call(this, _SVGPathSeg.PATHSEG_MOVETO_ABS, 'M', owningPathSegList));
+          _this._x = x;
+          _this._y = y;
+          return _this;
         }
 
-        createClass(_SVGPathSegMovetoAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegMovetoAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegMovetoAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegMovetoAbs(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegMovetoAbs;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegMovetoAbs.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
           enumerable: true
         },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
           enumerable: true
         }
       });
 
-      var _SVGPathSegMovetoRel = function (_SVGPathSeg4) {
-        inherits(_SVGPathSegMovetoRel, _SVGPathSeg4);
+      var _SVGPathSegMovetoRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg4) {
+        _inherits(_SVGPathSegMovetoRel, _SVGPathSeg4);
 
         function _SVGPathSegMovetoRel(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegMovetoRel);
+          var _this2;
 
-          var _this3 = possibleConstructorReturn(this, (_SVGPathSegMovetoRel.__proto__ || Object.getPrototypeOf(_SVGPathSegMovetoRel)).call(this, _SVGPathSeg.PATHSEG_MOVETO_REL, 'm', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegMovetoRel);
 
-          _this3._x = x;
-          _this3._y = y;
-          return _this3;
+          _this2 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegMovetoRel).call(this, _SVGPathSeg.PATHSEG_MOVETO_REL, 'm', owningPathSegList));
+          _this2._x = x;
+          _this2._y = y;
+          return _this2;
         }
 
-        createClass(_SVGPathSegMovetoRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegMovetoRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegMovetoRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegMovetoRel(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegMovetoRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegMovetoRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegLinetoAbs = function (_SVGPathSeg5) {
-        inherits(_SVGPathSegLinetoAbs, _SVGPathSeg5);
+      var _SVGPathSegLinetoAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg5) {
+        _inherits(_SVGPathSegLinetoAbs, _SVGPathSeg5);
 
         function _SVGPathSegLinetoAbs(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegLinetoAbs);
+          var _this3;
 
-          var _this4 = possibleConstructorReturn(this, (_SVGPathSegLinetoAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoAbs)).call(this, _SVGPathSeg.PATHSEG_LINETO_ABS, 'L', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoAbs);
 
-          _this4._x = x;
-          _this4._y = y;
-          return _this4;
+          _this3 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoAbs).call(this, _SVGPathSeg.PATHSEG_LINETO_ABS, 'L', owningPathSegList));
+          _this3._x = x;
+          _this3._y = y;
+          return _this3;
         }
 
-        createClass(_SVGPathSegLinetoAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoAbs(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegLinetoAbs;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegLinetoAbs.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegLinetoRel = function (_SVGPathSeg6) {
-        inherits(_SVGPathSegLinetoRel, _SVGPathSeg6);
+      var _SVGPathSegLinetoRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg6) {
+        _inherits(_SVGPathSegLinetoRel, _SVGPathSeg6);
 
         function _SVGPathSegLinetoRel(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegLinetoRel);
+          var _this4;
 
-          var _this5 = possibleConstructorReturn(this, (_SVGPathSegLinetoRel.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoRel)).call(this, _SVGPathSeg.PATHSEG_LINETO_REL, 'l', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoRel);
 
-          _this5._x = x;
-          _this5._y = y;
-          return _this5;
+          _this4 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoRel).call(this, _SVGPathSeg.PATHSEG_LINETO_REL, 'l', owningPathSegList));
+          _this4._x = x;
+          _this4._y = y;
+          return _this4;
         }
 
-        createClass(_SVGPathSegLinetoRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoRel(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegLinetoRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegLinetoRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegCurvetoCubicAbs = function (_SVGPathSeg7) {
-        inherits(_SVGPathSegCurvetoCubicAbs, _SVGPathSeg7);
+      var _SVGPathSegCurvetoCubicAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg7) {
+        _inherits(_SVGPathSegCurvetoCubicAbs, _SVGPathSeg7);
 
         function _SVGPathSegCurvetoCubicAbs(owningPathSegList, x, y, x1, y1, x2, y2) {
-          classCallCheck(this, _SVGPathSegCurvetoCubicAbs);
+          var _this5;
 
-          var _this6 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, 'C', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoCubicAbs);
 
+          _this5 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, 'C', owningPathSegList));
+          _this5._x = x;
+          _this5._y = y;
+          _this5._x1 = x1;
+          _this5._y1 = y1;
+          _this5._x2 = x2;
+          _this5._y2 = y2;
+          return _this5;
+        }
+
+        _createClass(_SVGPathSegCurvetoCubicAbs, [{
+          key: "toString",
+          value: function toString() {
+            return '[object SVGPathSegCurvetoCubicAbs]';
+          }
+        }, {
+          key: "_asPathString",
+          value: function _asPathString() {
+            return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
+          }
+        }, {
+          key: "clone",
+          value: function clone() {
+            return new _SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
+          }
+        }]);
+
+        return _SVGPathSegCurvetoCubicAbs;
+      }(_SVGPathSeg);
+
+      Object.defineProperties(_SVGPathSegCurvetoCubicAbs.prototype, {
+        x: {
+          get: function get() {
+            return this._x;
+          },
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y: {
+          get: function get() {
+            return this._y;
+          },
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        x1: {
+          get: function get() {
+            return this._x1;
+          },
+          set: function set(x1) {
+            this._x1 = x1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y1: {
+          get: function get() {
+            return this._y1;
+          },
+          set: function set(y1) {
+            this._y1 = y1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        x2: {
+          get: function get() {
+            return this._x2;
+          },
+          set: function set(x2) {
+            this._x2 = x2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y2: {
+          get: function get() {
+            return this._y2;
+          },
+          set: function set(y2) {
+            this._y2 = y2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      });
+
+      var _SVGPathSegCurvetoCubicRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg8) {
+        _inherits(_SVGPathSegCurvetoCubicRel, _SVGPathSeg8);
+
+        function _SVGPathSegCurvetoCubicRel(owningPathSegList, x, y, x1, y1, x2, y2) {
+          var _this6;
+
+          _classCallCheck(this, _SVGPathSegCurvetoCubicRel);
+
+          _this6 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, 'c', owningPathSegList));
           _this6._x = x;
           _this6._y = y;
           _this6._x1 = x1;
@@ -551,171 +768,191 @@
           return _this6;
         }
 
-        createClass(_SVGPathSegCurvetoCubicAbs, [{
-          key: 'toString',
-          value: function toString() {
-            return '[object SVGPathSegCurvetoCubicAbs]';
-          }
-        }, {
-          key: '_asPathString',
-          value: function _asPathString() {
-            return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
-          }
-        }, {
-          key: 'clone',
-          value: function clone() {
-            return new _SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
-          }
-        }]);
-        return _SVGPathSegCurvetoCubicAbs;
-      }(_SVGPathSeg);
-
-      Object.defineProperties(_SVGPathSegCurvetoCubicAbs.prototype, {
-        x: {
-          get: function get$$1() {
-            return this._x;
-          },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
-          },
-          enumerable: true },
-        y: {
-          get: function get$$1() {
-            return this._y;
-          },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true },
-        x1: {
-          get: function get$$1() {
-            return this._x1;
-          },
-          set: function set$$1(x1) {
-            this._x1 = x1;this._segmentChanged();
-          },
-          enumerable: true },
-        y1: {
-          get: function get$$1() {
-            return this._y1;
-          },
-          set: function set$$1(y1) {
-            this._y1 = y1;this._segmentChanged();
-          },
-          enumerable: true },
-        x2: {
-          get: function get$$1() {
-            return this._x2;
-          },
-          set: function set$$1(x2) {
-            this._x2 = x2;this._segmentChanged();
-          },
-          enumerable: true },
-        y2: {
-          get: function get$$1() {
-            return this._y2;
-          },
-          set: function set$$1(y2) {
-            this._y2 = y2;this._segmentChanged();
-          },
-          enumerable: true }
-      });
-
-      var _SVGPathSegCurvetoCubicRel = function (_SVGPathSeg8) {
-        inherits(_SVGPathSegCurvetoCubicRel, _SVGPathSeg8);
-
-        function _SVGPathSegCurvetoCubicRel(owningPathSegList, x, y, x1, y1, x2, y2) {
-          classCallCheck(this, _SVGPathSegCurvetoCubicRel);
-
-          var _this7 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, 'c', owningPathSegList));
-
-          _this7._x = x;
-          _this7._y = y;
-          _this7._x1 = x1;
-          _this7._y1 = y1;
-          _this7._x2 = x2;
-          _this7._y2 = y2;
-          return _this7;
-        }
-
-        createClass(_SVGPathSegCurvetoCubicRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoCubicRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoCubicRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoCubicRel(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
           }
         }]);
+
         return _SVGPathSegCurvetoCubicRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoCubicRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         x1: {
-          get: function get$$1() {
+          get: function get() {
             return this._x1;
           },
-          set: function set$$1(x1) {
-            this._x1 = x1;this._segmentChanged();
+          set: function set(x1) {
+            this._x1 = x1;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y1: {
-          get: function get$$1() {
+          get: function get() {
             return this._y1;
           },
-          set: function set$$1(y1) {
-            this._y1 = y1;this._segmentChanged();
+          set: function set(y1) {
+            this._y1 = y1;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         x2: {
-          get: function get$$1() {
+          get: function get() {
             return this._x2;
           },
-          set: function set$$1(x2) {
-            this._x2 = x2;this._segmentChanged();
+          set: function set(x2) {
+            this._x2 = x2;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y2: {
-          get: function get$$1() {
+          get: function get() {
             return this._y2;
           },
-          set: function set$$1(y2) {
-            this._y2 = y2;this._segmentChanged();
+          set: function set(y2) {
+            this._y2 = y2;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegCurvetoQuadraticAbs = function (_SVGPathSeg9) {
-        inherits(_SVGPathSegCurvetoQuadraticAbs, _SVGPathSeg9);
+      var _SVGPathSegCurvetoQuadraticAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg9) {
+        _inherits(_SVGPathSegCurvetoQuadraticAbs, _SVGPathSeg9);
 
         function _SVGPathSegCurvetoQuadraticAbs(owningPathSegList, x, y, x1, y1) {
-          classCallCheck(this, _SVGPathSegCurvetoQuadraticAbs);
+          var _this7;
 
-          var _this8 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, 'Q', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoQuadraticAbs);
 
+          _this7 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, 'Q', owningPathSegList));
+          _this7._x = x;
+          _this7._y = y;
+          _this7._x1 = x1;
+          _this7._y1 = y1;
+          return _this7;
+        }
+
+        _createClass(_SVGPathSegCurvetoQuadraticAbs, [{
+          key: "toString",
+          value: function toString() {
+            return '[object SVGPathSegCurvetoQuadraticAbs]';
+          }
+        }, {
+          key: "_asPathString",
+          value: function _asPathString() {
+            return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y;
+          }
+        }, {
+          key: "clone",
+          value: function clone() {
+            return new _SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1);
+          }
+        }]);
+
+        return _SVGPathSegCurvetoQuadraticAbs;
+      }(_SVGPathSeg);
+
+      Object.defineProperties(_SVGPathSegCurvetoQuadraticAbs.prototype, {
+        x: {
+          get: function get() {
+            return this._x;
+          },
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y: {
+          get: function get() {
+            return this._y;
+          },
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        x1: {
+          get: function get() {
+            return this._x1;
+          },
+          set: function set(x1) {
+            this._x1 = x1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y1: {
+          get: function get() {
+            return this._y1;
+          },
+          set: function set(y1) {
+            this._y1 = y1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      });
+
+      var _SVGPathSegCurvetoQuadraticRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg10) {
+        _inherits(_SVGPathSegCurvetoQuadraticRel, _SVGPathSeg10);
+
+        function _SVGPathSegCurvetoQuadraticRel(owningPathSegList, x, y, x1, y1) {
+          var _this8;
+
+          _classCallCheck(this, _SVGPathSegCurvetoQuadraticRel);
+
+          _this8 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, 'q', owningPathSegList));
           _this8._x = x;
           _this8._y = y;
           _this8._x1 = x1;
@@ -723,137 +960,205 @@
           return _this8;
         }
 
-        createClass(_SVGPathSegCurvetoQuadraticAbs, [{
-          key: 'toString',
-          value: function toString() {
-            return '[object SVGPathSegCurvetoQuadraticAbs]';
-          }
-        }, {
-          key: '_asPathString',
-          value: function _asPathString() {
-            return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y;
-          }
-        }, {
-          key: 'clone',
-          value: function clone() {
-            return new _SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1);
-          }
-        }]);
-        return _SVGPathSegCurvetoQuadraticAbs;
-      }(_SVGPathSeg);
-
-      Object.defineProperties(_SVGPathSegCurvetoQuadraticAbs.prototype, {
-        x: {
-          get: function get$$1() {
-            return this._x;
-          },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
-          },
-          enumerable: true },
-        y: {
-          get: function get$$1() {
-            return this._y;
-          },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true },
-        x1: {
-          get: function get$$1() {
-            return this._x1;
-          },
-          set: function set$$1(x1) {
-            this._x1 = x1;this._segmentChanged();
-          },
-          enumerable: true },
-        y1: {
-          get: function get$$1() {
-            return this._y1;
-          },
-          set: function set$$1(y1) {
-            this._y1 = y1;this._segmentChanged();
-          },
-          enumerable: true }
-      });
-
-      var _SVGPathSegCurvetoQuadraticRel = function (_SVGPathSeg10) {
-        inherits(_SVGPathSegCurvetoQuadraticRel, _SVGPathSeg10);
-
-        function _SVGPathSegCurvetoQuadraticRel(owningPathSegList, x, y, x1, y1) {
-          classCallCheck(this, _SVGPathSegCurvetoQuadraticRel);
-
-          var _this9 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, 'q', owningPathSegList));
-
-          _this9._x = x;
-          _this9._y = y;
-          _this9._x1 = x1;
-          _this9._y1 = y1;
-          return _this9;
-        }
-
-        createClass(_SVGPathSegCurvetoQuadraticRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoQuadraticRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoQuadraticRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoQuadraticRel(undefined, this._x, this._y, this._x1, this._y1);
           }
         }]);
+
         return _SVGPathSegCurvetoQuadraticRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoQuadraticRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         x1: {
-          get: function get$$1() {
+          get: function get() {
             return this._x1;
           },
-          set: function set$$1(x1) {
-            this._x1 = x1;this._segmentChanged();
+          set: function set(x1) {
+            this._x1 = x1;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y1: {
-          get: function get$$1() {
+          get: function get() {
             return this._y1;
           },
-          set: function set$$1(y1) {
-            this._y1 = y1;this._segmentChanged();
+          set: function set(y1) {
+            this._y1 = y1;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegArcAbs = function (_SVGPathSeg11) {
-        inherits(_SVGPathSegArcAbs, _SVGPathSeg11);
+      var _SVGPathSegArcAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg11) {
+        _inherits(_SVGPathSegArcAbs, _SVGPathSeg11);
 
         function _SVGPathSegArcAbs(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
-          classCallCheck(this, _SVGPathSegArcAbs);
+          var _this9;
 
-          var _this10 = possibleConstructorReturn(this, (_SVGPathSegArcAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegArcAbs)).call(this, _SVGPathSeg.PATHSEG_ARC_ABS, 'A', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegArcAbs);
 
+          _this9 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegArcAbs).call(this, _SVGPathSeg.PATHSEG_ARC_ABS, 'A', owningPathSegList));
+          _this9._x = x;
+          _this9._y = y;
+          _this9._r1 = r1;
+          _this9._r2 = r2;
+          _this9._angle = angle;
+          _this9._largeArcFlag = largeArcFlag;
+          _this9._sweepFlag = sweepFlag;
+          return _this9;
+        }
+
+        _createClass(_SVGPathSegArcAbs, [{
+          key: "toString",
+          value: function toString() {
+            return '[object SVGPathSegArcAbs]';
+          }
+        }, {
+          key: "_asPathString",
+          value: function _asPathString() {
+            return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y;
+          }
+        }, {
+          key: "clone",
+          value: function clone() {
+            return new _SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
+          }
+        }]);
+
+        return _SVGPathSegArcAbs;
+      }(_SVGPathSeg);
+
+      Object.defineProperties(_SVGPathSegArcAbs.prototype, {
+        x: {
+          get: function get() {
+            return this._x;
+          },
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y: {
+          get: function get() {
+            return this._y;
+          },
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        r1: {
+          get: function get() {
+            return this._r1;
+          },
+          set: function set(r1) {
+            this._r1 = r1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        r2: {
+          get: function get() {
+            return this._r2;
+          },
+          set: function set(r2) {
+            this._r2 = r2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        angle: {
+          get: function get() {
+            return this._angle;
+          },
+          set: function set(angle) {
+            this._angle = angle;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        largeArcFlag: {
+          get: function get() {
+            return this._largeArcFlag;
+          },
+          set: function set(largeArcFlag) {
+            this._largeArcFlag = largeArcFlag;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        sweepFlag: {
+          get: function get() {
+            return this._sweepFlag;
+          },
+          set: function set(sweepFlag) {
+            this._sweepFlag = sweepFlag;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      });
+
+      var _SVGPathSegArcRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg12) {
+        _inherits(_SVGPathSegArcRel, _SVGPathSeg12);
+
+        function _SVGPathSegArcRel(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
+          var _this10;
+
+          _classCallCheck(this, _SVGPathSegArcRel);
+
+          _this10 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegArcRel).call(this, _SVGPathSeg.PATHSEG_ARC_REL, 'a', owningPathSegList));
           _this10._x = x;
           _this10._y = y;
           _this10._r1 = r1;
@@ -864,348 +1169,390 @@
           return _this10;
         }
 
-        createClass(_SVGPathSegArcAbs, [{
-          key: 'toString',
-          value: function toString() {
-            return '[object SVGPathSegArcAbs]';
-          }
-        }, {
-          key: '_asPathString',
-          value: function _asPathString() {
-            return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y;
-          }
-        }, {
-          key: 'clone',
-          value: function clone() {
-            return new _SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
-          }
-        }]);
-        return _SVGPathSegArcAbs;
-      }(_SVGPathSeg);
-
-      Object.defineProperties(_SVGPathSegArcAbs.prototype, {
-        x: {
-          get: function get$$1() {
-            return this._x;
-          },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
-          },
-          enumerable: true },
-        y: {
-          get: function get$$1() {
-            return this._y;
-          },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true },
-        r1: {
-          get: function get$$1() {
-            return this._r1;
-          },
-          set: function set$$1(r1) {
-            this._r1 = r1;this._segmentChanged();
-          },
-          enumerable: true },
-        r2: {
-          get: function get$$1() {
-            return this._r2;
-          },
-          set: function set$$1(r2) {
-            this._r2 = r2;this._segmentChanged();
-          },
-          enumerable: true },
-        angle: {
-          get: function get$$1() {
-            return this._angle;
-          },
-          set: function set$$1(angle) {
-            this._angle = angle;this._segmentChanged();
-          },
-          enumerable: true },
-        largeArcFlag: {
-          get: function get$$1() {
-            return this._largeArcFlag;
-          },
-          set: function set$$1(largeArcFlag) {
-            this._largeArcFlag = largeArcFlag;this._segmentChanged();
-          },
-          enumerable: true },
-        sweepFlag: {
-          get: function get$$1() {
-            return this._sweepFlag;
-          },
-          set: function set$$1(sweepFlag) {
-            this._sweepFlag = sweepFlag;this._segmentChanged();
-          },
-          enumerable: true }
-      });
-
-      var _SVGPathSegArcRel = function (_SVGPathSeg12) {
-        inherits(_SVGPathSegArcRel, _SVGPathSeg12);
-
-        function _SVGPathSegArcRel(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
-          classCallCheck(this, _SVGPathSegArcRel);
-
-          var _this11 = possibleConstructorReturn(this, (_SVGPathSegArcRel.__proto__ || Object.getPrototypeOf(_SVGPathSegArcRel)).call(this, _SVGPathSeg.PATHSEG_ARC_REL, 'a', owningPathSegList));
-
-          _this11._x = x;
-          _this11._y = y;
-          _this11._r1 = r1;
-          _this11._r2 = r2;
-          _this11._angle = angle;
-          _this11._largeArcFlag = largeArcFlag;
-          _this11._sweepFlag = sweepFlag;
-          return _this11;
-        }
-
-        createClass(_SVGPathSegArcRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegArcRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegArcRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegArcRel(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
           }
         }]);
+
         return _SVGPathSegArcRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegArcRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         r1: {
-          get: function get$$1() {
+          get: function get() {
             return this._r1;
           },
-          set: function set$$1(r1) {
-            this._r1 = r1;this._segmentChanged();
+          set: function set(r1) {
+            this._r1 = r1;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         r2: {
-          get: function get$$1() {
+          get: function get() {
             return this._r2;
           },
-          set: function set$$1(r2) {
-            this._r2 = r2;this._segmentChanged();
+          set: function set(r2) {
+            this._r2 = r2;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         angle: {
-          get: function get$$1() {
+          get: function get() {
             return this._angle;
           },
-          set: function set$$1(angle) {
-            this._angle = angle;this._segmentChanged();
+          set: function set(angle) {
+            this._angle = angle;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         largeArcFlag: {
-          get: function get$$1() {
+          get: function get() {
             return this._largeArcFlag;
           },
-          set: function set$$1(largeArcFlag) {
-            this._largeArcFlag = largeArcFlag;this._segmentChanged();
+          set: function set(largeArcFlag) {
+            this._largeArcFlag = largeArcFlag;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         sweepFlag: {
-          get: function get$$1() {
+          get: function get() {
             return this._sweepFlag;
           },
-          set: function set$$1(sweepFlag) {
-            this._sweepFlag = sweepFlag;this._segmentChanged();
+          set: function set(sweepFlag) {
+            this._sweepFlag = sweepFlag;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegLinetoHorizontalAbs = function (_SVGPathSeg13) {
-        inherits(_SVGPathSegLinetoHorizontalAbs, _SVGPathSeg13);
+      var _SVGPathSegLinetoHorizontalAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg13) {
+        _inherits(_SVGPathSegLinetoHorizontalAbs, _SVGPathSeg13);
 
         function _SVGPathSegLinetoHorizontalAbs(owningPathSegList, x) {
-          classCallCheck(this, _SVGPathSegLinetoHorizontalAbs);
+          var _this11;
 
-          var _this12 = possibleConstructorReturn(this, (_SVGPathSegLinetoHorizontalAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoHorizontalAbs)).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, 'H', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoHorizontalAbs);
 
-          _this12._x = x;
-          return _this12;
+          _this11 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoHorizontalAbs).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, 'H', owningPathSegList));
+          _this11._x = x;
+          return _this11;
         }
 
-        createClass(_SVGPathSegLinetoHorizontalAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoHorizontalAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoHorizontalAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoHorizontalAbs(undefined, this._x);
           }
         }]);
+
         return _SVGPathSegLinetoHorizontalAbs;
       }(_SVGPathSeg);
 
       Object.defineProperty(_SVGPathSegLinetoHorizontalAbs.prototype, 'x', {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
-        },
-        enumerable: true });
+        set: function set(x) {
+          this._x = x;
 
-      var _SVGPathSegLinetoHorizontalRel = function (_SVGPathSeg14) {
-        inherits(_SVGPathSegLinetoHorizontalRel, _SVGPathSeg14);
+          this._segmentChanged();
+        },
+        enumerable: true
+      });
+
+      var _SVGPathSegLinetoHorizontalRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg14) {
+        _inherits(_SVGPathSegLinetoHorizontalRel, _SVGPathSeg14);
 
         function _SVGPathSegLinetoHorizontalRel(owningPathSegList, x) {
-          classCallCheck(this, _SVGPathSegLinetoHorizontalRel);
+          var _this12;
 
-          var _this13 = possibleConstructorReturn(this, (_SVGPathSegLinetoHorizontalRel.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoHorizontalRel)).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, 'h', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoHorizontalRel);
 
-          _this13._x = x;
-          return _this13;
+          _this12 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoHorizontalRel).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, 'h', owningPathSegList));
+          _this12._x = x;
+          return _this12;
         }
 
-        createClass(_SVGPathSegLinetoHorizontalRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoHorizontalRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoHorizontalRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoHorizontalRel(undefined, this._x);
           }
         }]);
+
         return _SVGPathSegLinetoHorizontalRel;
       }(_SVGPathSeg);
 
       Object.defineProperty(_SVGPathSegLinetoHorizontalRel.prototype, 'x', {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
-        },
-        enumerable: true });
+        set: function set(x) {
+          this._x = x;
 
-      var _SVGPathSegLinetoVerticalAbs = function (_SVGPathSeg15) {
-        inherits(_SVGPathSegLinetoVerticalAbs, _SVGPathSeg15);
+          this._segmentChanged();
+        },
+        enumerable: true
+      });
+
+      var _SVGPathSegLinetoVerticalAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg15) {
+        _inherits(_SVGPathSegLinetoVerticalAbs, _SVGPathSeg15);
 
         function _SVGPathSegLinetoVerticalAbs(owningPathSegList, y) {
-          classCallCheck(this, _SVGPathSegLinetoVerticalAbs);
+          var _this13;
 
-          var _this14 = possibleConstructorReturn(this, (_SVGPathSegLinetoVerticalAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoVerticalAbs)).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, 'V', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoVerticalAbs);
 
-          _this14._y = y;
-          return _this14;
+          _this13 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoVerticalAbs).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, 'V', owningPathSegList));
+          _this13._y = y;
+          return _this13;
         }
 
-        createClass(_SVGPathSegLinetoVerticalAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoVerticalAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoVerticalAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoVerticalAbs(undefined, this._y);
           }
         }]);
+
         return _SVGPathSegLinetoVerticalAbs;
       }(_SVGPathSeg);
 
       Object.defineProperty(_SVGPathSegLinetoVerticalAbs.prototype, 'y', {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
-        },
-        enumerable: true });
+        set: function set(y) {
+          this._y = y;
 
-      var _SVGPathSegLinetoVerticalRel = function (_SVGPathSeg16) {
-        inherits(_SVGPathSegLinetoVerticalRel, _SVGPathSeg16);
+          this._segmentChanged();
+        },
+        enumerable: true
+      });
+
+      var _SVGPathSegLinetoVerticalRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg16) {
+        _inherits(_SVGPathSegLinetoVerticalRel, _SVGPathSeg16);
 
         function _SVGPathSegLinetoVerticalRel(owningPathSegList, y) {
-          classCallCheck(this, _SVGPathSegLinetoVerticalRel);
+          var _this14;
 
-          var _this15 = possibleConstructorReturn(this, (_SVGPathSegLinetoVerticalRel.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoVerticalRel)).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, 'v', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoVerticalRel);
 
-          _this15._y = y;
-          return _this15;
+          _this14 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoVerticalRel).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, 'v', owningPathSegList));
+          _this14._y = y;
+          return _this14;
         }
 
-        createClass(_SVGPathSegLinetoVerticalRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoVerticalRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoVerticalRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoVerticalRel(undefined, this._y);
           }
         }]);
+
         return _SVGPathSegLinetoVerticalRel;
       }(_SVGPathSeg);
 
       Object.defineProperty(_SVGPathSegLinetoVerticalRel.prototype, 'y', {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
-        },
-        enumerable: true });
+        set: function set(y) {
+          this._y = y;
 
-      var _SVGPathSegCurvetoCubicSmoothAbs = function (_SVGPathSeg17) {
-        inherits(_SVGPathSegCurvetoCubicSmoothAbs, _SVGPathSeg17);
+          this._segmentChanged();
+        },
+        enumerable: true
+      });
+
+      var _SVGPathSegCurvetoCubicSmoothAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg17) {
+        _inherits(_SVGPathSegCurvetoCubicSmoothAbs, _SVGPathSeg17);
 
         function _SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, x, y, x2, y2) {
-          classCallCheck(this, _SVGPathSegCurvetoCubicSmoothAbs);
+          var _this15;
 
-          var _this16 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicSmoothAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicSmoothAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, 'S', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoCubicSmoothAbs);
 
+          _this15 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicSmoothAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, 'S', owningPathSegList));
+          _this15._x = x;
+          _this15._y = y;
+          _this15._x2 = x2;
+          _this15._y2 = y2;
+          return _this15;
+        }
+
+        _createClass(_SVGPathSegCurvetoCubicSmoothAbs, [{
+          key: "toString",
+          value: function toString() {
+            return '[object SVGPathSegCurvetoCubicSmoothAbs]';
+          }
+        }, {
+          key: "_asPathString",
+          value: function _asPathString() {
+            return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
+          }
+        }, {
+          key: "clone",
+          value: function clone() {
+            return new _SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2);
+          }
+        }]);
+
+        return _SVGPathSegCurvetoCubicSmoothAbs;
+      }(_SVGPathSeg);
+
+      Object.defineProperties(_SVGPathSegCurvetoCubicSmoothAbs.prototype, {
+        x: {
+          get: function get() {
+            return this._x;
+          },
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y: {
+          get: function get() {
+            return this._y;
+          },
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        x2: {
+          get: function get() {
+            return this._x2;
+          },
+          set: function set(x2) {
+            this._x2 = x2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y2: {
+          get: function get() {
+            return this._y2;
+          },
+          set: function set(y2) {
+            this._y2 = y2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      });
+
+      var _SVGPathSegCurvetoCubicSmoothRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg18) {
+        _inherits(_SVGPathSegCurvetoCubicSmoothRel, _SVGPathSeg18);
+
+        function _SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, x, y, x2, y2) {
+          var _this16;
+
+          _classCallCheck(this, _SVGPathSegCurvetoCubicSmoothRel);
+
+          _this16 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicSmoothRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, 's', owningPathSegList));
           _this16._x = x;
           _this16._y = y;
           _this16._x2 = x2;
@@ -1213,287 +1560,268 @@
           return _this16;
         }
 
-        createClass(_SVGPathSegCurvetoCubicSmoothAbs, [{
-          key: 'toString',
-          value: function toString() {
-            return '[object SVGPathSegCurvetoCubicSmoothAbs]';
-          }
-        }, {
-          key: '_asPathString',
-          value: function _asPathString() {
-            return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
-          }
-        }, {
-          key: 'clone',
-          value: function clone() {
-            return new _SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2);
-          }
-        }]);
-        return _SVGPathSegCurvetoCubicSmoothAbs;
-      }(_SVGPathSeg);
-
-      Object.defineProperties(_SVGPathSegCurvetoCubicSmoothAbs.prototype, {
-        x: {
-          get: function get$$1() {
-            return this._x;
-          },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
-          },
-          enumerable: true },
-        y: {
-          get: function get$$1() {
-            return this._y;
-          },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true },
-        x2: {
-          get: function get$$1() {
-            return this._x2;
-          },
-          set: function set$$1(x2) {
-            this._x2 = x2;this._segmentChanged();
-          },
-          enumerable: true },
-        y2: {
-          get: function get$$1() {
-            return this._y2;
-          },
-          set: function set$$1(y2) {
-            this._y2 = y2;this._segmentChanged();
-          },
-          enumerable: true }
-      });
-
-      var _SVGPathSegCurvetoCubicSmoothRel = function (_SVGPathSeg18) {
-        inherits(_SVGPathSegCurvetoCubicSmoothRel, _SVGPathSeg18);
-
-        function _SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, x, y, x2, y2) {
-          classCallCheck(this, _SVGPathSegCurvetoCubicSmoothRel);
-
-          var _this17 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicSmoothRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicSmoothRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, 's', owningPathSegList));
-
-          _this17._x = x;
-          _this17._y = y;
-          _this17._x2 = x2;
-          _this17._y2 = y2;
-          return _this17;
-        }
-
-        createClass(_SVGPathSegCurvetoCubicSmoothRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoCubicSmoothRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoCubicSmoothRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoCubicSmoothRel(undefined, this._x, this._y, this._x2, this._y2);
           }
         }]);
+
         return _SVGPathSegCurvetoCubicSmoothRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoCubicSmoothRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         x2: {
-          get: function get$$1() {
+          get: function get() {
             return this._x2;
           },
-          set: function set$$1(x2) {
-            this._x2 = x2;this._segmentChanged();
+          set: function set(x2) {
+            this._x2 = x2;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y2: {
-          get: function get$$1() {
+          get: function get() {
             return this._y2;
           },
-          set: function set$$1(y2) {
-            this._y2 = y2;this._segmentChanged();
+          set: function set(y2) {
+            this._y2 = y2;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegCurvetoQuadraticSmoothAbs = function (_SVGPathSeg19) {
-        inherits(_SVGPathSegCurvetoQuadraticSmoothAbs, _SVGPathSeg19);
+      var _SVGPathSegCurvetoQuadraticSmoothAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg19) {
+        _inherits(_SVGPathSegCurvetoQuadraticSmoothAbs, _SVGPathSeg19);
 
         function _SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothAbs);
+          var _this17;
 
-          var _this18 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticSmoothAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, 'T', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothAbs);
 
-          _this18._x = x;
-          _this18._y = y;
-          return _this18;
+          _this17 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, 'T', owningPathSegList));
+          _this17._x = x;
+          _this17._y = y;
+          return _this17;
         }
 
-        createClass(_SVGPathSegCurvetoQuadraticSmoothAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoQuadraticSmoothAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoQuadraticSmoothAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoQuadraticSmoothAbs(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegCurvetoQuadraticSmoothAbs;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoQuadraticSmoothAbs.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegCurvetoQuadraticSmoothRel = function (_SVGPathSeg20) {
-        inherits(_SVGPathSegCurvetoQuadraticSmoothRel, _SVGPathSeg20);
+      var _SVGPathSegCurvetoQuadraticSmoothRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg20) {
+        _inherits(_SVGPathSegCurvetoQuadraticSmoothRel, _SVGPathSeg20);
 
         function _SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothRel);
+          var _this18;
 
-          var _this19 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticSmoothRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, 't', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothRel);
 
-          _this19._x = x;
-          _this19._y = y;
-          return _this19;
+          _this18 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, 't', owningPathSegList));
+          _this18._x = x;
+          _this18._y = y;
+          return _this18;
         }
 
-        createClass(_SVGPathSegCurvetoQuadraticSmoothRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoQuadraticSmoothRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoQuadraticSmoothRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoQuadraticSmoothRel(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegCurvetoQuadraticSmoothRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoQuadraticSmoothRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true }
-      });
+          set: function set(y) {
+            this._y = y;
 
-      // Add createSVGPathSeg* functions to SVGPathElement.
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      }); // Add createSVGPathSeg* functions to SVGPathElement.
       // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathElement.
+
       SVGPathElement.prototype.createSVGPathSegClosePath = function () {
         return new _SVGPathSegClosePath(undefined);
       };
+
       SVGPathElement.prototype.createSVGPathSegMovetoAbs = function (x, y) {
         return new _SVGPathSegMovetoAbs(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegMovetoRel = function (x, y) {
         return new _SVGPathSegMovetoRel(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoAbs = function (x, y) {
         return new _SVGPathSegLinetoAbs(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoRel = function (x, y) {
         return new _SVGPathSegLinetoRel(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoCubicAbs = function (x, y, x1, y1, x2, y2) {
         return new _SVGPathSegCurvetoCubicAbs(undefined, x, y, x1, y1, x2, y2);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoCubicRel = function (x, y, x1, y1, x2, y2) {
         return new _SVGPathSegCurvetoCubicRel(undefined, x, y, x1, y1, x2, y2);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticAbs = function (x, y, x1, y1) {
         return new _SVGPathSegCurvetoQuadraticAbs(undefined, x, y, x1, y1);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticRel = function (x, y, x1, y1) {
         return new _SVGPathSegCurvetoQuadraticRel(undefined, x, y, x1, y1);
       };
+
       SVGPathElement.prototype.createSVGPathSegArcAbs = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
         return new _SVGPathSegArcAbs(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
       };
+
       SVGPathElement.prototype.createSVGPathSegArcRel = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
         return new _SVGPathSegArcRel(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoHorizontalAbs = function (x) {
         return new _SVGPathSegLinetoHorizontalAbs(undefined, x);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel = function (x) {
         return new _SVGPathSegLinetoHorizontalRel(undefined, x);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs = function (y) {
         return new _SVGPathSegLinetoVerticalAbs(undefined, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel = function (y) {
         return new _SVGPathSegLinetoVerticalRel(undefined, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs = function (x, y, x2, y2) {
         return new _SVGPathSegCurvetoCubicSmoothAbs(undefined, x, y, x2, y2);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel = function (x, y, x2, y2) {
         return new _SVGPathSegCurvetoCubicSmoothRel(undefined, x, y, x2, y2);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs = function (x, y) {
         return new _SVGPathSegCurvetoQuadraticSmoothAbs(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel = function (x, y) {
         return new _SVGPathSegCurvetoQuadraticSmoothRel(undefined, x, y);
       };
@@ -1509,20 +1837,22 @@
 
           var measurementElement = document.createElementNS('http://www.w3.org/2000/svg', 'path');
           measurementElement.setAttribute('d', this.getAttribute('d'));
-          var lastPathSegment = measurementElement.pathSegList.numberOfItems - 1;
+          var lastPathSegment = measurementElement.pathSegList.numberOfItems - 1; // If the path is empty, return 0.
 
-          // If the path is empty, return 0.
           if (lastPathSegment <= 0) {
             return 0;
           }
 
           do {
             measurementElement.pathSegList.removeItem(lastPathSegment);
+
             if (distance > measurementElement.getTotalLength()) {
               break;
             }
+
             lastPathSegment--;
           } while (lastPathSegment > 0);
+
           return lastPathSegment;
         };
       }
@@ -1547,127 +1877,141 @@
       window.SVGPathSegCurvetoCubicSmoothRel = _SVGPathSegCurvetoCubicSmoothRel;
       window.SVGPathSegCurvetoQuadraticSmoothAbs = _SVGPathSegCurvetoQuadraticSmoothAbs;
       window.SVGPathSegCurvetoQuadraticSmoothRel = _SVGPathSegCurvetoQuadraticSmoothRel;
-    }
-
-    // Checking for SVGPathSegList in window checks for the case of an implementation without the
+    } // Checking for SVGPathSegList in window checks for the case of an implementation without the
     // SVGPathSegList API.
     // The second check for appendItem is specific to Firefox 59+ which removed only parts of the
     // SVGPathSegList API (e.g., appendItem). In this case we need to re-implement the entire API
     // so the polyfill data (i.e., _list) is used throughout.
+
+
     if (!('SVGPathSegList' in window) || !('appendItem' in window.SVGPathSegList.prototype)) {
       // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSegList
-      var SVGPathSegList = function () {
+      var SVGPathSegList =
+      /*#__PURE__*/
+      function () {
         function SVGPathSegList(pathElement) {
-          classCallCheck(this, SVGPathSegList);
+          _classCallCheck(this, SVGPathSegList);
 
           this._pathElement = pathElement;
-          this._list = this._parsePath(this._pathElement.getAttribute('d'));
+          this._list = this._parsePath(this._pathElement.getAttribute('d')); // Use a MutationObserver to catch changes to the path's "d" attribute.
 
-          // Use a MutationObserver to catch changes to the path's "d" attribute.
-          this._mutationObserverConfig = { attributes: true, attributeFilter: ['d'] };
+          this._mutationObserverConfig = {
+            attributes: true,
+            attributeFilter: ['d']
+          };
           this._pathElementMutationObserver = new MutationObserver(this._updateListFromPathMutations.bind(this));
+
           this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
-        }
-        // Process any pending mutations to the path element and update the list as needed.
+        } // Process any pending mutations to the path element and update the list as needed.
         // This should be the first call of all public functions and is needed because
         // MutationObservers are not synchronous so we can have pending asynchronous mutations.
 
 
-        createClass(SVGPathSegList, [{
-          key: '_checkPathSynchronizedToList',
+        _createClass(SVGPathSegList, [{
+          key: "_checkPathSynchronizedToList",
           value: function _checkPathSynchronizedToList() {
             this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords());
           }
         }, {
-          key: '_updateListFromPathMutations',
+          key: "_updateListFromPathMutations",
           value: function _updateListFromPathMutations(mutationRecords) {
             if (!this._pathElement) {
               return;
             }
+
             var hasPathMutations = false;
             mutationRecords.forEach(function (record) {
               if (record.attributeName === 'd') {
                 hasPathMutations = true;
               }
             });
+
             if (hasPathMutations) {
               this._list = this._parsePath(this._pathElement.getAttribute('d'));
             }
-          }
-
-          // Serialize the list and update the path's 'd' attribute.
+          } // Serialize the list and update the path's 'd' attribute.
 
         }, {
-          key: '_writeListToPath',
+          key: "_writeListToPath",
           value: function _writeListToPath() {
             this._pathElementMutationObserver.disconnect();
-            this._pathElement.setAttribute('d', SVGPathSegList._pathSegArrayAsString(this._list));
-            this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
-          }
 
-          // When a path segment changes the list needs to be synchronized back to the path element.
+            this._pathElement.setAttribute('d', SVGPathSegList._pathSegArrayAsString(this._list));
+
+            this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
+          } // When a path segment changes the list needs to be synchronized back to the path element.
 
         }, {
-          key: 'segmentChanged',
+          key: "segmentChanged",
           value: function segmentChanged(pathSeg) {
             this._writeListToPath();
           }
         }, {
-          key: 'clear',
+          key: "clear",
           value: function clear() {
             this._checkPathSynchronizedToList();
 
             this._list.forEach(function (pathSeg) {
               pathSeg._owningPathSegList = null;
             });
+
             this._list = [];
+
             this._writeListToPath();
           }
         }, {
-          key: 'initialize',
+          key: "initialize",
           value: function initialize(newItem) {
             this._checkPathSynchronizedToList();
 
             this._list = [newItem];
             newItem._owningPathSegList = this;
+
             this._writeListToPath();
+
             return newItem;
           }
         }, {
-          key: '_checkValidIndex',
+          key: "_checkValidIndex",
           value: function _checkValidIndex(index) {
             if (isNaN(index) || index < 0 || index >= this.numberOfItems) {
               throw new Error('INDEX_SIZE_ERR');
             }
           }
         }, {
-          key: 'getItem',
+          key: "getItem",
           value: function getItem(index) {
             this._checkPathSynchronizedToList();
 
             this._checkValidIndex(index);
+
             return this._list[index];
           }
         }, {
-          key: 'insertItemBefore',
+          key: "insertItemBefore",
           value: function insertItemBefore(newItem, index) {
-            this._checkPathSynchronizedToList();
+            this._checkPathSynchronizedToList(); // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.
+
 
-            // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.
             if (index > this.numberOfItems) {
               index = this.numberOfItems;
             }
+
             if (newItem._owningPathSegList) {
               // SVG2 spec says to make a copy.
               newItem = newItem.clone();
             }
+
             this._list.splice(index, 0, newItem);
+
             newItem._owningPathSegList = this;
+
             this._writeListToPath();
+
             return newItem;
           }
         }, {
-          key: 'replaceItem',
+          key: "replaceItem",
           value: function replaceItem(newItem, index) {
             this._checkPathSynchronizedToList();
 
@@ -1675,25 +2019,33 @@
               // SVG2 spec says to make a copy.
               newItem = newItem.clone();
             }
+
             this._checkValidIndex(index);
+
             this._list[index] = newItem;
             newItem._owningPathSegList = this;
+
             this._writeListToPath();
+
             return newItem;
           }
         }, {
-          key: 'removeItem',
+          key: "removeItem",
           value: function removeItem(index) {
             this._checkPathSynchronizedToList();
 
             this._checkValidIndex(index);
+
             var item = this._list[index];
+
             this._list.splice(index, 1);
+
             this._writeListToPath();
+
             return item;
           }
         }, {
-          key: 'appendItem',
+          key: "appendItem",
           value: function appendItem(newItem) {
             this._checkPathSynchronizedToList();
 
@@ -1701,17 +2053,18 @@
               // SVG2 spec says to make a copy.
               newItem = newItem.clone();
             }
-            this._list.push(newItem);
-            newItem._owningPathSegList = this;
-            // TODO: Optimize this to just append to the existing attribute.
-            this._writeListToPath();
-            return newItem;
-          }
 
-          // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.
+            this._list.push(newItem);
+
+            newItem._owningPathSegList = this; // TODO: Optimize this to just append to the existing attribute.
+
+            this._writeListToPath();
+
+            return newItem;
+          } // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.
 
         }, {
-          key: '_parsePath',
+          key: "_parsePath",
           value: function _parsePath(string) {
             if (!string || !string.length) {
               return [];
@@ -1719,25 +2072,30 @@
 
             var owningPathSegList = this;
 
-            var Builder = function () {
+            var Builder =
+            /*#__PURE__*/
+            function () {
               function Builder() {
-                classCallCheck(this, Builder);
+                _classCallCheck(this, Builder);
 
                 this.pathSegList = [];
               }
 
-              createClass(Builder, [{
-                key: 'appendSegment',
+              _createClass(Builder, [{
+                key: "appendSegment",
                 value: function appendSegment(pathSeg) {
                   this.pathSegList.push(pathSeg);
                 }
               }]);
+
               return Builder;
             }();
 
-            var Source = function () {
+            var Source =
+            /*#__PURE__*/
+            function () {
               function Source(string) {
-                classCallCheck(this, Source);
+                _classCallCheck(this, Source);
 
                 this._string = string;
                 this._currentIndex = 0;
@@ -1747,124 +2105,149 @@
                 this._skipOptionalSpaces();
               }
 
-              createClass(Source, [{
-                key: '_isCurrentSpace',
+              _createClass(Source, [{
+                key: "_isCurrentSpace",
                 value: function _isCurrentSpace() {
                   var character = this._string[this._currentIndex];
                   return character <= ' ' && (character === ' ' || character === '\n' || character === '\t' || character === '\r' || character === '\f');
                 }
               }, {
-                key: '_skipOptionalSpaces',
+                key: "_skipOptionalSpaces",
                 value: function _skipOptionalSpaces() {
                   while (this._currentIndex < this._endIndex && this._isCurrentSpace()) {
                     this._currentIndex++;
                   }
+
                   return this._currentIndex < this._endIndex;
                 }
               }, {
-                key: '_skipOptionalSpacesOrDelimiter',
+                key: "_skipOptionalSpacesOrDelimiter",
                 value: function _skipOptionalSpacesOrDelimiter() {
                   if (this._currentIndex < this._endIndex && !this._isCurrentSpace() && this._string.charAt(this._currentIndex) !== ',') {
                     return false;
                   }
+
                   if (this._skipOptionalSpaces()) {
                     if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === ',') {
                       this._currentIndex++;
+
                       this._skipOptionalSpaces();
                     }
                   }
+
                   return this._currentIndex < this._endIndex;
                 }
               }, {
-                key: 'hasMoreData',
+                key: "hasMoreData",
                 value: function hasMoreData() {
                   return this._currentIndex < this._endIndex;
                 }
               }, {
-                key: 'peekSegmentType',
+                key: "peekSegmentType",
                 value: function peekSegmentType() {
                   var lookahead = this._string[this._currentIndex];
                   return this._pathSegTypeFromChar(lookahead);
                 }
               }, {
-                key: '_pathSegTypeFromChar',
+                key: "_pathSegTypeFromChar",
                 value: function _pathSegTypeFromChar(lookahead) {
                   switch (lookahead) {
                     case 'Z':
                     case 'z':
                       return SVGPathSeg.PATHSEG_CLOSEPATH;
+
                     case 'M':
                       return SVGPathSeg.PATHSEG_MOVETO_ABS;
+
                     case 'm':
                       return SVGPathSeg.PATHSEG_MOVETO_REL;
+
                     case 'L':
                       return SVGPathSeg.PATHSEG_LINETO_ABS;
+
                     case 'l':
                       return SVGPathSeg.PATHSEG_LINETO_REL;
+
                     case 'C':
                       return SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;
+
                     case 'c':
                       return SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;
+
                     case 'Q':
                       return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;
+
                     case 'q':
                       return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;
+
                     case 'A':
                       return SVGPathSeg.PATHSEG_ARC_ABS;
+
                     case 'a':
                       return SVGPathSeg.PATHSEG_ARC_REL;
+
                     case 'H':
                       return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;
+
                     case 'h':
                       return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;
+
                     case 'V':
                       return SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;
+
                     case 'v':
                       return SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;
+
                     case 'S':
                       return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;
+
                     case 's':
                       return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;
+
                     case 'T':
                       return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;
+
                     case 't':
                       return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;
+
                     default:
                       return SVGPathSeg.PATHSEG_UNKNOWN;
                   }
                 }
               }, {
-                key: '_nextCommandHelper',
+                key: "_nextCommandHelper",
                 value: function _nextCommandHelper(lookahead, previousCommand) {
                   // Check for remaining coordinates in the current command.
                   if ((lookahead === '+' || lookahead === '-' || lookahead === '.' || lookahead >= '0' && lookahead <= '9') && previousCommand !== SVGPathSeg.PATHSEG_CLOSEPATH) {
                     if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_ABS) {
                       return SVGPathSeg.PATHSEG_LINETO_ABS;
                     }
+
                     if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_REL) {
                       return SVGPathSeg.PATHSEG_LINETO_REL;
                     }
+
                     return previousCommand;
                   }
+
                   return SVGPathSeg.PATHSEG_UNKNOWN;
                 }
               }, {
-                key: 'initialCommandIsMoveTo',
+                key: "initialCommandIsMoveTo",
                 value: function initialCommandIsMoveTo() {
                   // If the path is empty it is still valid, so return true.
                   if (!this.hasMoreData()) {
                     return true;
                   }
-                  var command = this.peekSegmentType();
-                  // Path must start with moveTo.
-                  return command === SVGPathSeg.PATHSEG_MOVETO_ABS || command === SVGPathSeg.PATHSEG_MOVETO_REL;
-                }
 
-                // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.
+                  var command = this.peekSegmentType(); // Path must start with moveTo.
+
+                  return command === SVGPathSeg.PATHSEG_MOVETO_ABS || command === SVGPathSeg.PATHSEG_MOVETO_REL;
+                } // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.
                 // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-PathDataBNF
 
               }, {
-                key: '_parseNumber',
+                key: "_parseNumber",
                 value: function _parseNumber() {
                   var exponent = 0;
                   var integer = 0;
@@ -1872,12 +2255,11 @@
                   var decimal = 0;
                   var sign = 1;
                   var expsign = 1;
-
                   var startIndex = this._currentIndex;
 
-                  this._skipOptionalSpaces();
+                  this._skipOptionalSpaces(); // Read the sign.
+
 
-                  // Read the sign.
                   if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '+') {
                     this._currentIndex++;
                   } else if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '-') {
@@ -1888,10 +2270,11 @@
                   if (this._currentIndex === this._endIndex || (this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') && this._string.charAt(this._currentIndex) !== '.') {
                     // The first character of a number must be one of [0-9+-.].
                     return undefined;
-                  }
+                  } // Read the integer part, build right-to-left.
+
 
-                  // Read the integer part, build right-to-left.
                   var startIntPartIndex = this._currentIndex;
+
                   while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {
                     this._currentIndex++; // Advance to first non-digit.
                   }
@@ -1899,40 +2282,40 @@
                   if (this._currentIndex !== startIntPartIndex) {
                     var scanIntPartIndex = this._currentIndex - 1;
                     var multiplier = 1;
+
                     while (scanIntPartIndex >= startIntPartIndex) {
                       integer += multiplier * (this._string.charAt(scanIntPartIndex--) - '0');
                       multiplier *= 10;
                     }
-                  }
+                  } // Read the decimals.
+
 
-                  // Read the decimals.
                   if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '.') {
-                    this._currentIndex++;
+                    this._currentIndex++; // There must be a least one digit following the .
 
-                    // There must be a least one digit following the .
                     if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {
                       return undefined;
                     }
+
                     while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {
                       frac *= 10;
                       decimal += (this._string.charAt(this._currentIndex) - '0') / frac;
                       this._currentIndex += 1;
                     }
-                  }
+                  } // Read the exponent part.
+
 
-                  // Read the exponent part.
                   if (this._currentIndex !== startIndex && this._currentIndex + 1 < this._endIndex && (this._string.charAt(this._currentIndex) === 'e' || this._string.charAt(this._currentIndex) === 'E') && this._string.charAt(this._currentIndex + 1) !== 'x' && this._string.charAt(this._currentIndex + 1) !== 'm') {
-                    this._currentIndex++;
+                    this._currentIndex++; // Read the sign of the exponent.
 
-                    // Read the sign of the exponent.
                     if (this._string.charAt(this._currentIndex) === '+') {
                       this._currentIndex++;
                     } else if (this._string.charAt(this._currentIndex) === '-') {
                       this._currentIndex++;
                       expsign = -1;
-                    }
+                    } // There must be an exponent.
+
 
-                    // There must be an exponent.
                     if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {
                       return undefined;
                     }
@@ -1960,13 +2343,16 @@
                   return number;
                 }
               }, {
-                key: '_parseArcFlag',
+                key: "_parseArcFlag",
                 value: function _parseArcFlag() {
                   if (this._currentIndex >= this._endIndex) {
                     return undefined;
                   }
+
                   var flag = false;
+
                   var flagChar = this._string.charAt(this._currentIndex++);
+
                   if (flagChar === '0') {
                     flag = false;
                   } else if (flagChar === '1') {
@@ -1976,19 +2362,24 @@
                   }
 
                   this._skipOptionalSpacesOrDelimiter();
+
                   return flag;
                 }
               }, {
-                key: 'parseSegment',
+                key: "parseSegment",
                 value: function parseSegment() {
                   var lookahead = this._string[this._currentIndex];
+
                   var command = this._pathSegTypeFromChar(lookahead);
+
                   if (command === SVGPathSeg.PATHSEG_UNKNOWN) {
                     // Possibly an implicit command. Not allowed if this is the first command.
                     if (this._previousCommand === SVGPathSeg.PATHSEG_UNKNOWN) {
                       return null;
                     }
+
                     command = this._nextCommandHelper(lookahead, this._previousCommand);
+
                     if (command === SVGPathSeg.PATHSEG_UNKNOWN) {
                       return null;
                     }
@@ -2001,63 +2392,141 @@
                   switch (command) {
                     case SVGPathSeg.PATHSEG_MOVETO_REL:
                       return new SVGPathSegMovetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_MOVETO_ABS:
                       return new SVGPathSegMovetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_REL:
                       return new SVGPathSegLinetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_ABS:
                       return new SVGPathSegLinetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:
                       return new SVGPathSegLinetoHorizontalRel(owningPathSegList, this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:
                       return new SVGPathSegLinetoHorizontalAbs(owningPathSegList, this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:
                       return new SVGPathSegLinetoVerticalRel(owningPathSegList, this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:
                       return new SVGPathSegLinetoVerticalAbs(owningPathSegList, this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_CLOSEPATH:
                       this._skipOptionalSpaces();
+
                       return new SVGPathSegClosePath(owningPathSegList);
+
                     case SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:
                       {
-                        var _points = { x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          x2: this._parseNumber(),
+                          y2: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoCubicRel(owningPathSegList, _points.x, _points.y, _points.x1, _points.y1, _points.x2, _points.y2);
-                      }case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:
                       {
-                        var _points2 = { x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points2 = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          x2: this._parseNumber(),
+                          y2: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoCubicAbs(owningPathSegList, _points2.x, _points2.y, _points2.x1, _points2.y1, _points2.x2, _points2.y2);
-                      }case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:
                       {
-                        var _points3 = { x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points3 = {
+                          x2: this._parseNumber(),
+                          y2: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, _points3.x, _points3.y, _points3.x2, _points3.y2);
-                      }case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:
                       {
-                        var _points4 = { x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points4 = {
+                          x2: this._parseNumber(),
+                          y2: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, _points4.x, _points4.y, _points4.x2, _points4.y2);
-                      }case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:
                       {
-                        var _points5 = { x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points5 = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoQuadraticRel(owningPathSegList, _points5.x, _points5.y, _points5.x1, _points5.y1);
-                      }case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:
-                      var points = { x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:
+                      var points = {
+                        x1: this._parseNumber(),
+                        y1: this._parseNumber(),
+                        x: this._parseNumber(),
+                        y: this._parseNumber()
+                      };
                       return new SVGPathSegCurvetoQuadraticAbs(owningPathSegList, points.x, points.y, points.x1, points.y1);
+
                     case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:
                       return new SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:
                       return new SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_ARC_REL:
                       {
-                        var _points6 = { x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points6 = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          arcAngle: this._parseNumber(),
+                          arcLarge: this._parseArcFlag(),
+                          arcSweep: this._parseArcFlag(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegArcRel(owningPathSegList, _points6.x, _points6.y, _points6.x1, _points6.y1, _points6.arcAngle, _points6.arcLarge, _points6.arcSweep);
-                      }case SVGPathSeg.PATHSEG_ARC_ABS:
+                      }
+
+                    case SVGPathSeg.PATHSEG_ARC_ABS:
                       {
-                        var _points7 = { x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points7 = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          arcAngle: this._parseNumber(),
+                          arcLarge: this._parseArcFlag(),
+                          arcSweep: this._parseArcFlag(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegArcAbs(owningPathSegList, _points7.x, _points7.y, _points7.x1, _points7.y1, _points7.arcAngle, _points7.arcLarge, _points7.arcSweep);
-                      }default:
+                      }
+
+                    default:
                       throw new Error('Unknown path seg type.');
                   }
                 }
               }]);
+
               return Source;
             }();
 
@@ -2067,28 +2536,31 @@
             if (!source.initialCommandIsMoveTo()) {
               return [];
             }
+
             while (source.hasMoreData()) {
               var pathSeg = source.parseSegment();
+
               if (!pathSeg) {
                 return [];
               }
+
               builder.appendSegment(pathSeg);
             }
 
             return builder.pathSegList;
           }
         }]);
+
         return SVGPathSegList;
       }();
 
       SVGPathSegList.prototype.classname = 'SVGPathSegList';
-
       Object.defineProperty(SVGPathSegList.prototype, 'numberOfItems', {
-        get: function get$$1() {
+        get: function get() {
           this._checkPathSynchronizedToList();
+
           return this._list.length;
         },
-
         enumerable: true
       });
 
@@ -2104,56 +2576,55 @@
           }
         });
         return string;
-      };
-
-      // Add the pathSegList accessors to SVGPathElement.
+      }; // Add the pathSegList accessors to SVGPathElement.
       // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGAnimatedPathData
+
+
       Object.defineProperties(SVGPathElement.prototype, {
         pathSegList: {
-          get: function get$$1() {
+          get: function get() {
             if (!this._pathSegList) {
               this._pathSegList = new SVGPathSegList(this);
             }
+
             return this._pathSegList;
           },
-
           enumerable: true
         },
         // FIXME: The following are not implemented and simply return SVGPathElement.pathSegList.
         normalizedPathSegList: {
-          get: function get$$1() {
+          get: function get() {
             return this.pathSegList;
           },
-          enumerable: true },
+          enumerable: true
+        },
         animatedPathSegList: {
-          get: function get$$1() {
+          get: function get() {
             return this.pathSegList;
           },
-          enumerable: true },
+          enumerable: true
+        },
         animatedNormalizedPathSegList: {
-          get: function get$$1() {
+          get: function get() {
             return this.pathSegList;
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
       window.SVGPathSegList = SVGPathSegList;
     }
   })();
 
   /* globals jQuery */
-
   var $ = jQuery;
 
   var supportsSVG_ = function () {
     return !!document.createElementNS && !!document.createElementNS(NS.SVG, 'svg').createSVGRect;
   }();
-
   var _navigator = navigator,
       userAgent = _navigator.userAgent;
+  var svg = document.createElementNS(NS.SVG, 'svg'); // Note: Browser sniffing should only be used if no other detection method is possible
 
-  var svg = document.createElementNS(NS.SVG, 'svg');
-
-  // Note: Browser sniffing should only be used if no other detection method is possible
   var isOpera_ = !!window.opera;
   var isWebkit_ = userAgent.includes('AppleWebKit');
   var isGecko_ = userAgent.includes('Gecko/');
@@ -2169,18 +2640,20 @@
 
   var supportsXpath_ = function () {
     return !!document.evaluate;
-  }();
+  }(); // segList functions (for FF1.5 and 2.0)
+
 
-  // segList functions (for FF1.5 and 2.0)
   var supportsPathReplaceItem_ = function () {
     var path = document.createElementNS(NS.SVG, 'path');
     path.setAttribute('d', 'M0,0 10,10');
     var seglist = path.pathSegList;
     var seg = path.createSVGPathSegLinetoAbs(5, 5);
+
     try {
       seglist.replaceItem(seg, 1);
       return true;
     } catch (err) {}
+
     return false;
   }();
 
@@ -2189,14 +2662,16 @@
     path.setAttribute('d', 'M0,0 10,10');
     var seglist = path.pathSegList;
     var seg = path.createSVGPathSegLinetoAbs(5, 5);
+
     try {
       seglist.insertItemBefore(seg, 1);
       return true;
     } catch (err) {}
-    return false;
-  }();
 
-  // text character positioning (for IE9)
+    return false;
+  }(); // text character positioning (for IE9)
+
+
   var supportsGoodTextCharPos_ = function () {
     var svgroot = document.createElementNS(NS.SVG, 'svg');
     var svgcontent = document.createElementNS(NS.SVG, 'svg');
@@ -2220,9 +2695,9 @@
     var bbox = path.getBBox();
     svgcontent.remove();
     return bbox.height > 4 && bbox.height < 5;
-  }();
+  }(); // Support for correct bbox sizing on groups with horizontal/vertical lines
+
 
-  // Support for correct bbox sizing on groups with horizontal/vertical lines
   var supportsHVLineContainerBBox_ = function () {
     var svgcontent = document.createElementNS(NS.SVG, 'svg');
     document.documentElement.append(svgcontent);
@@ -2234,8 +2709,8 @@
     g.append(path, path2);
     svgcontent.append(g);
     var bbox = g.getBBox();
-    svgcontent.remove();
-    // Webkit gives 0, FF gives 10, Opera (correctly) gives 15
+    svgcontent.remove(); // Webkit gives 0, FF gives 10, Opera (correctly) gives 15
+
     return bbox.width === 15;
   }();
 
@@ -2245,10 +2720,12 @@
     rect.setAttribute('x', 0.1);
     var crect = rect.cloneNode(false);
     var retValue = !crect.getAttribute('x').includes(',');
+
     if (!retValue) {
       // Todo: i18nize or remove
       $.alert('NOTE: This version of Opera is known to contain bugs in SVG-edit.\n' + 'Please upgrade to the <a href="http://opera.com">latest version</a> in which the problems have been fixed.');
     }
+
     return retValue;
   }();
 
@@ -2263,17 +2740,17 @@
     var rxform = rect.transform.baseVal;
     var t1 = svg.createSVGTransform();
     rxform.appendItem(t1);
-    var r1 = rxform.getItem(0);
-    // Todo: Do frame-independent instance checking
-    return r1 instanceof SVGTransform && t1 instanceof SVGTransform && r1.type === t1.type && r1.angle === t1.angle && r1.matrix.a === t1.matrix.a && r1.matrix.b === t1.matrix.b && r1.matrix.c === t1.matrix.c && r1.matrix.d === t1.matrix.d && r1.matrix.e === t1.matrix.e && r1.matrix.f === t1.matrix.f;
-  }();
+    var r1 = rxform.getItem(0); // Todo: Do frame-independent instance checking
 
-  // Public API
+    return r1 instanceof SVGTransform && t1 instanceof SVGTransform && r1.type === t1.type && r1.angle === t1.angle && r1.matrix.a === t1.matrix.a && r1.matrix.b === t1.matrix.b && r1.matrix.c === t1.matrix.c && r1.matrix.d === t1.matrix.d && r1.matrix.e === t1.matrix.e && r1.matrix.f === t1.matrix.f;
+  }(); // Public API
 
   /**
    * @function module:browser.isOpera
    * @returns {boolean}
   */
+
+
   var isOpera = function isOpera() {
     return isOpera_;
   };
@@ -2281,6 +2758,7 @@
    * @function module:browser.isWebkit
    * @returns {boolean}
   */
+
   var isWebkit = function isWebkit() {
     return isWebkit_;
   };
@@ -2288,6 +2766,7 @@
    * @function module:browser.isGecko
    * @returns {boolean}
   */
+
   var isGecko = function isGecko() {
     return isGecko_;
   };
@@ -2295,6 +2774,7 @@
    * @function module:browser.isIE
    * @returns {boolean}
   */
+
   var isIE = function isIE() {
     return isIE_;
   };
@@ -2302,6 +2782,7 @@
    * @function module:browser.isChrome
    * @returns {boolean}
   */
+
   var isChrome = function isChrome() {
     return isChrome_;
   };
@@ -2309,6 +2790,7 @@
    * @function module:browser.isMac
    * @returns {boolean}
   */
+
   var isMac = function isMac() {
     return isMac_;
   };
@@ -2316,78 +2798,79 @@
    * @function module:browser.isTouch
    * @returns {boolean}
   */
+
   var isTouch = function isTouch() {
     return isTouch_;
   };
-
   /**
    * @function module:browser.supportsSelectors
    * @returns {boolean}
   */
+
   var supportsSelectors = function supportsSelectors() {
     return supportsSelectors_;
   };
-
   /**
    * @function module:browser.supportsXpath
    * @returns {boolean}
   */
+
   var supportsXpath = function supportsXpath() {
     return supportsXpath_;
   };
-
   /**
    * @function module:browser.supportsPathReplaceItem
    * @returns {boolean}
   */
+
   var supportsPathReplaceItem = function supportsPathReplaceItem() {
     return supportsPathReplaceItem_;
   };
-
   /**
    * @function module:browser.supportsPathInsertItemBefore
    * @returns {boolean}
   */
+
   var supportsPathInsertItemBefore = function supportsPathInsertItemBefore() {
     return supportsPathInsertItemBefore_;
   };
-
   /**
    * @function module:browser.supportsPathBBox
    * @returns {boolean}
   */
+
   var supportsPathBBox = function supportsPathBBox() {
     return supportsPathBBox_;
   };
-
   /**
    * @function module:browser.supportsHVLineContainerBBox
    * @returns {boolean}
   */
+
   var supportsHVLineContainerBBox = function supportsHVLineContainerBBox() {
     return supportsHVLineContainerBBox_;
   };
-
   /**
    * @function module:browser.supportsGoodTextCharPos
    * @returns {boolean}
   */
+
   var supportsGoodTextCharPos = function supportsGoodTextCharPos() {
     return supportsGoodTextCharPos_;
   };
-
   /**
   * @function module:browser.supportsNonScalingStroke
   * @returns {boolean}
   */
+
   var supportsNonScalingStroke = function supportsNonScalingStroke() {
     return supportsNonScalingStroke_;
   };
-
   /**
   * @function module:browser.supportsNativeTransformLists
   * @returns {boolean}
   */
+
   var supportsNativeTransformLists = function supportsNativeTransformLists() {
     return supportsNativeSVGTransformLists_;
   };
@@ -2418,20 +2901,24 @@
     /**
     * @typedef {PlainObject.<string, string|Float>} module:jQueryAttr.Attributes
     */
+
     /**
     * @function external:jQuery.fn.attr
     * @param {string|string[]|PlainObject.<string, string>} key
     * @param {string} value
     * @returns {external:jQuery|module:jQueryAttr.Attributes}
     */
+
     $.fn.attr = function (key, value) {
       var len = this.length;
+
       if (!len) {
         return proxied.apply(this, arguments);
       }
+
       for (var i = 0; i < len; ++i) {
-        var elem = this[i];
-        // set/get SVG attribute
+        var elem = this[i]; // set/get SVG attribute
+
         if (elem.namespaceURI === svgns) {
           // Setting attribute
           if (value !== undefined) {
@@ -2443,87 +2930,67 @@
 
             while (j--) {
               var aname = key[j];
-              var attr = elem.getAttribute(aname);
-              // This returns a number when appropriate
+              var attr = elem.getAttribute(aname); // This returns a number when appropriate
+
               if (attr || attr === '0') {
                 attr = isNaN(attr) ? attr : attr - 0;
               }
+
               obj[aname] = attr;
             }
+
             return obj;
           }
-          if ((typeof key === 'undefined' ? 'undefined' : _typeof(key)) === 'object') {
+
+          if (_typeof(key) === 'object') {
             // Setting attributes from object
-            var _iteratorNormalCompletion = true;
-            var _didIteratorError = false;
-            var _iteratorError = undefined;
+            var _arr = Object.entries(key);
 
-            try {
-              for (var _iterator = Object.entries(key)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
-                var _ref = _step.value;
+            for (var _i = 0; _i < _arr.length; _i++) {
+              var _arr$_i = _slicedToArray(_arr[_i], 2),
+                  name = _arr$_i[0],
+                  val = _arr$_i[1];
 
-                var _ref2 = slicedToArray(_ref, 2);
+              elem.setAttribute(name, val);
+            } // Getting attribute
 
-                var name = _ref2[0];
-                var val = _ref2[1];
-
-                elem.setAttribute(name, val);
-              }
-              // Getting attribute
-            } catch (err) {
-              _didIteratorError = true;
-              _iteratorError = err;
-            } finally {
-              try {
-                if (!_iteratorNormalCompletion && _iterator.return) {
-                  _iterator.return();
-                }
-              } finally {
-                if (_didIteratorError) {
-                  throw _iteratorError;
-                }
-              }
-            }
           } else {
             var _attr = elem.getAttribute(key);
+
             if (_attr || _attr === '0') {
               _attr = isNaN(_attr) ? _attr : _attr - 0;
             }
+
             return _attr;
           }
         } else {
           return proxied.apply(this, arguments);
         }
       }
+
       return this;
     };
+
     return $;
   }
 
-  /**
-   * Partial polyfill of `SVGTransformList`
-   * @module SVGTransformList
-   *
-   * @license MIT
-   *
-   * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller
-   */
+  var svgroot = document.createElementNS(NS.SVG, 'svg'); // Helper function.
 
-  var svgroot = document.createElementNS(NS.SVG, 'svg');
-
-  // Helper function.
   function transformToString(xform) {
     var m = xform.matrix;
     var text = '';
+
     switch (xform.type) {
       case 1:
         // MATRIX
         text = 'matrix(' + [m.a, m.b, m.c, m.d, m.e, m.f].join(',') + ')';
         break;
+
       case 2:
         // TRANSLATE
         text = 'translate(' + m.e + ',' + m.f + ')';
         break;
+
       case 3:
         // SCALE
         if (m.a === m.d) {
@@ -2531,49 +2998,57 @@
         } else {
           text = 'scale(' + m.a + ',' + m.d + ')';
         }
+
         break;
+
       case 4:
         {
           // ROTATE
           var cx = 0;
-          var cy = 0;
-          // this prevents divide by zero
+          var cy = 0; // this prevents divide by zero
+
           if (xform.angle !== 0) {
             var K = 1 - m.a;
             cy = (K * m.f + m.b * m.e) / (K * K + m.b * m.b);
             cx = (m.e - m.b * cy) / K;
           }
+
           text = 'rotate(' + xform.angle + ' ' + cx + ',' + cy + ')';
           break;
         }
     }
+
     return text;
   }
-
   /**
    * Map of SVGTransformList objects.
    */
-  var listMap_ = {};
 
+
+  var listMap_ = {};
   /**
   * @interface module:SVGTransformList.SVGEditTransformList
   * @property {Integer} numberOfItems unsigned long
   */
+
   /**
   * @function module:SVGTransformList.SVGEditTransformList#clear
   * @returns {undefined}
   */
+
   /**
   * @function module:SVGTransformList.SVGEditTransformList#initialize
   * @param {SVGTransform} newItem
   * @returns {SVGTransform}
   */
+
   /**
   * (DOES NOT THROW DOMException, INDEX_SIZE_ERR)
   * @function module:SVGTransformList.SVGEditTransformList#getItem
   * @param {Integer} index unsigned long
   * @returns {SVGTransform}
   */
+
   /**
   * (DOES NOT THROW DOMException, INDEX_SIZE_ERR)
   * @function module:SVGTransformList.SVGEditTransformList#insertItemBefore
@@ -2581,6 +3056,7 @@
   * @param {Integer} index unsigned long
   * @returns {SVGTransform}
   */
+
   /**
   * (DOES NOT THROW DOMException, INDEX_SIZE_ERR)
   * @function module:SVGTransformList.SVGEditTransformList#replaceItem
@@ -2588,17 +3064,20 @@
   * @param {Integer} index unsigned long
   * @returns {SVGTransform}
   */
+
   /**
   * (DOES NOT THROW DOMException, INDEX_SIZE_ERR)
   * @function module:SVGTransformList.SVGEditTransformList#removeItem
   * @param {Integer} index unsigned long
   * @returns {SVGTransform}
   */
+
   /**
   * @function module:SVGTransformList.SVGEditTransformList#appendItem
   * @param {SVGTransform} newItem
   * @returns {SVGTransform}
   */
+
   /**
   * NOT IMPLEMENTED
   * @ignore
@@ -2606,6 +3085,7 @@
   * @param {SVGMatrix} matrix
   * @returns {SVGTransform}
   */
+
   /**
   * NOT IMPLEMENTED
   * @ignore
@@ -2619,41 +3099,51 @@
   * These methods also do not check that transforms are being inserted.  This is basically
   * implementing as much of SVGTransformList that we need to get the job done.
   */
-  var SVGTransformList = function () {
+
+  var SVGTransformList =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {Element} elem
     */
     function SVGTransformList(elem) {
-      classCallCheck(this, SVGTransformList);
+      _classCallCheck(this, SVGTransformList);
 
       this._elem = elem || null;
-      this._xforms = [];
-      // TODO: how do we capture the undo-ability in the changed transform list?
+      this._xforms = []; // TODO: how do we capture the undo-ability in the changed transform list?
+
       this._update = function () {
-        var tstr = '';
-        // /* const concatMatrix = */ svgroot.createSVGMatrix();
+        var tstr = ''; // /* const concatMatrix = */ svgroot.createSVGMatrix();
+
         for (var i = 0; i < this.numberOfItems; ++i) {
           var xform = this._list.getItem(i);
+
           tstr += transformToString(xform) + ' ';
         }
+
         this._elem.setAttribute('transform', tstr);
       };
+
       this._list = this;
+
       this._init = function () {
         var _this = this;
 
         // Transform attribute parser
         var str = this._elem.getAttribute('transform');
+
         if (!str) {
           return;
-        }
+        } // TODO: Add skew support in future
+
 
-        // TODO: Add skew support in future
         var re = /\s*((scale|matrix|rotate|translate)\s*\(.*?\))\s*,?\s*/;
         var m = true;
+
         while (m) {
           m = str.match(re);
           str = str.replace(re, '');
+
           if (m && m[1]) {
             (function () {
               var x = m[1];
@@ -2666,6 +3156,7 @@
               var mtx = svgroot.createSVGMatrix();
               Object.values(valArr).forEach(function (item, i) {
                 valArr[i] = parseFloat(item);
+
                 if (name === 'matrix') {
                   mtx[letters[i]] = valArr[i];
                 }
@@ -2681,19 +3172,24 @@
               } else if (name === 'rotate' && values.length === 1) {
                 values.push(0, 0);
               }
+
               xform[fname].apply(xform, values);
+
               _this._list.appendItem(xform);
             })();
           }
         }
       };
+
       this._removeFromOtherLists = function (item) {
         if (item) {
           // Check if this transform is already in a transformlist, and
           // remove it if so.
           var found = false;
+
           for (var id in listMap_) {
             var tl = listMap_[id];
+
             for (var i = 0, len = tl._xforms.length; i < len; ++i) {
               if (tl._xforms[i] === item) {
                 found = true;
@@ -2701,6 +3197,7 @@
                 break;
               }
             }
+
             if (found) {
               break;
             }
@@ -2715,26 +3212,26 @@
     */
 
 
-    createClass(SVGTransformList, [{
-      key: 'clear',
+    _createClass(SVGTransformList, [{
+      key: "clear",
       value: function clear() {
         this.numberOfItems = 0;
         this._xforms = [];
       }
-
       /**
       * @param {SVGTransform} newItem
       * @returns {SVGTransform}
       */
 
     }, {
-      key: 'initialize',
+      key: "initialize",
       value: function initialize(newItem) {
         this.numberOfItems = 1;
+
         this._removeFromOtherLists(newItem);
+
         this._xforms = [newItem];
       }
-
       /**
       * @param {Integer} index unsigned long
       * @throws {Error}
@@ -2742,16 +3239,16 @@
       */
 
     }, {
-      key: 'getItem',
+      key: "getItem",
       value: function getItem(index) {
         if (index < this.numberOfItems && index >= 0) {
           return this._xforms[index];
         }
+
         var err = new Error('DOMException with code=INDEX_SIZE_ERR');
         err.code = 1;
         throw err;
       }
-
       /**
       * @param {SVGTransform} newItem
       * @param {Integer} index unsigned long
@@ -2759,33 +3256,40 @@
       */
 
     }, {
-      key: 'insertItemBefore',
+      key: "insertItemBefore",
       value: function insertItemBefore(newItem, index) {
         var retValue = null;
+
         if (index >= 0) {
           if (index < this.numberOfItems) {
             this._removeFromOtherLists(newItem);
-            var newxforms = new Array(this.numberOfItems + 1);
-            // TODO: use array copying and slicing
-            var i = void 0;
+
+            var newxforms = new Array(this.numberOfItems + 1); // TODO: use array copying and slicing
+
+            var i;
+
             for (i = 0; i < index; ++i) {
               newxforms[i] = this._xforms[i];
             }
+
             newxforms[i] = newItem;
+
             for (var j = i + 1; i < this.numberOfItems; ++j, ++i) {
               newxforms[j] = this._xforms[i];
             }
+
             this.numberOfItems++;
             this._xforms = newxforms;
             retValue = newItem;
+
             this._list._update();
           } else {
             retValue = this._list.appendItem(newItem);
           }
         }
+
         return retValue;
       }
-
       /**
       * @param {SVGTransform} newItem
       * @param {Integer} index unsigned long
@@ -2793,18 +3297,21 @@
       */
 
     }, {
-      key: 'replaceItem',
+      key: "replaceItem",
       value: function replaceItem(newItem, index) {
         var retValue = null;
+
         if (index < this.numberOfItems && index >= 0) {
           this._removeFromOtherLists(newItem);
+
           this._xforms[index] = newItem;
           retValue = newItem;
+
           this._list._update();
         }
+
         return retValue;
       }
-
       /**
       * @param {Integer} index unsigned long
       * @throws {Error}
@@ -2812,66 +3319,75 @@
       */
 
     }, {
-      key: 'removeItem',
+      key: "removeItem",
       value: function removeItem(index) {
         if (index < this.numberOfItems && index >= 0) {
           var retValue = this._xforms[index];
           var newxforms = new Array(this.numberOfItems - 1);
-          var i = void 0;
+          var i;
+
           for (i = 0; i < index; ++i) {
             newxforms[i] = this._xforms[i];
           }
+
           for (var j = i; j < this.numberOfItems - 1; ++j, ++i) {
             newxforms[j] = this._xforms[i + 1];
           }
+
           this.numberOfItems--;
           this._xforms = newxforms;
+
           this._list._update();
+
           return retValue;
         }
+
         var err = new Error('DOMException with code=INDEX_SIZE_ERR');
         err.code = 1;
         throw err;
       }
-
       /**
       * @param {SVGTransform} newItem
       * @returns {SVGTransform}
       */
 
     }, {
-      key: 'appendItem',
+      key: "appendItem",
       value: function appendItem(newItem) {
         this._removeFromOtherLists(newItem);
+
         this._xforms.push(newItem);
+
         this.numberOfItems++;
+
         this._list._update();
+
         return newItem;
       }
     }]);
+
     return SVGTransformList;
   }();
-
   /**
   * @function module:SVGTransformList.resetListMap
   * @returns {undefined}
   */
+
   var resetListMap = function resetListMap() {
     listMap_ = {};
   };
-
   /**
    * Removes transforms of the given element from the map.
    * @function module:SVGTransformList.removeElementFromListMap
    * @param {Element} elem - a DOM Element
    * @returns {undefined}
    */
+
   var removeElementFromListMap = function removeElementFromListMap(elem) {
     if (elem.id && listMap_[elem.id]) {
       delete listMap_[elem.id];
     }
   };
-
   /**
   * Returns an object that behaves like a `SVGTransformList` for the given DOM element
   * @function module:SVGTransformList.getTransformList
@@ -2879,23 +3395,31 @@
   * @todo The polyfill should have `SVGAnimatedTransformList` and this should use it
   * @returns {SVGAnimatedTransformList|SVGTransformList}
   */
+
   var getTransformList = function getTransformList(elem) {
     if (!supportsNativeTransformLists()) {
       var id = elem.id || 'temp';
       var t = listMap_[id];
+
       if (!t || id === 'temp') {
         listMap_[id] = new SVGTransformList(elem);
+
         listMap_[id]._init();
+
         t = listMap_[id];
       }
+
       return t;
     }
+
     if (elem.transform) {
       return elem.transform.baseVal;
     }
+
     if (elem.gradientTransform) {
       return elem.gradientTransform.baseVal;
     }
+
     if (elem.patternTransform) {
       return elem.patternTransform.baseVal;
     }
@@ -2910,11 +3434,10 @@
    *
    * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller
    */
-
   var wAttrs = ['x', 'x1', 'cx', 'rx', 'width'];
   var hAttrs = ['y', 'y1', 'cy', 'ry', 'height'];
-  var unitAttrs = ['r', 'radius'].concat(wAttrs, hAttrs);
-  // unused
+  var unitAttrs = ['r', 'radius'].concat(wAttrs, hAttrs); // unused
+
   /*
   const unitNumMap = {
     '%': 2,
@@ -2929,30 +3452,34 @@
   };
   */
   // Container of elements.
-  var elementContainer_ = void 0;
 
-  // Stores mapping of unit type to user coordinates.
+  var elementContainer_; // Stores mapping of unit type to user coordinates.
+
   var typeMap_ = {};
-
   /**
    * @interface module:units.ElementContainer
    */
+
   /**
    * @function module:units.ElementContainer#getBaseUnit
    * @returns {string} The base unit type of the container ('em')
    */
+
   /**
    * @function module:units.ElementContainer#getElement
    * @returns {Element} An element in the container given an id
    */
+
   /**
    * @function module:units.ElementContainer#getHeight
    * @returns {Float} The container's height
    */
+
   /**
    * @function module:units.ElementContainer#getWidth
    * @returns {Float} The container's width
    */
+
   /**
    * @function module:units.ElementContainer#getRoundDigits
    * @returns {Integer} The number of digits number should be rounded to
@@ -2978,10 +3505,10 @@
    * @param {module:units.ElementContainer} elementContainer - An object implementing the ElementContainer interface.
    * @returns {undefined}
    */
-  var init = function init(elementContainer) {
-    elementContainer_ = elementContainer;
 
-    // Get correct em/ex values by creating a temporary SVG.
+  var init = function init(elementContainer) {
+    elementContainer_ = elementContainer; // Get correct em/ex values by creating a temporary SVG.
+
     var svg = document.createElementNS(NS.SVG, 'svg');
     document.body.append(svg);
     var rect = document.createElementNS(NS.SVG, 'rect');
@@ -2991,7 +3518,6 @@
     svg.append(rect);
     var bb = rect.getBBox();
     svg.remove();
-
     var inch = bb.x;
     typeMap_ = {
       em: bb.width,
@@ -3005,7 +3531,6 @@
       '%': 0
     };
   };
-
   /**
   * Group: Unit conversion functions
   */
@@ -3014,10 +3539,10 @@
    * @function module:units.getTypeMap
    * @returns {module:units.TypeMap} The unit object with values for each unit
   */
+
   var getTypeMap = function getTypeMap() {
     return typeMap_;
   };
-
   /**
   * @typedef {GenericArray} module:units.CompareNumbers
   * @property {Integer} length 2
@@ -3034,31 +3559,34 @@
   * @returns {Float|string} If a string/number was given, returns a Float. If an array, return a string
   * with comma-separated floats
   */
+
   var shortFloat = function shortFloat(val) {
     var digits = elementContainer_.getRoundDigits();
+
     if (!isNaN(val)) {
       // Note that + converts to Number
       return +(+val).toFixed(digits);
     }
+
     if (Array.isArray(val)) {
       return shortFloat(val[0]) + ',' + shortFloat(val[1]);
     }
+
     return parseFloat(val).toFixed(digits) - 0;
   };
-
   /**
   * Converts the number to given unit or baseUnit
   * @function module:units.convertUnit
   * @returns {Float}
   */
+
   var convertUnit = function convertUnit(val, unit) {
-    unit = unit || elementContainer_.getBaseUnit();
-    // baseVal.convertToSpecifiedUnits(unitNumMap[unit]);
+    unit = unit || elementContainer_.getBaseUnit(); // baseVal.convertToSpecifiedUnits(unitNumMap[unit]);
     // const val = baseVal.valueInSpecifiedUnits;
     // baseVal.convertToSpecifiedUnits(1);
+
     return shortFloat(val / typeMap_[unit]);
   };
-
   /**
   * Sets an element's attribute based on the unit in its current value.
   *
@@ -3068,11 +3596,11 @@
   * @param {string} val - Attribute value to convert
   * @returns {undefined}
   */
+
   var setUnitAttr = function setUnitAttr(elem, attr, val) {
     //  if (!isNaN(val)) {
     // New value is a number, so check currently used unit
     // const oldVal = elem.getAttribute(attr);
-
     // Enable this for alternate mode
     // if (oldVal !== null && (isNaN(oldVal) || elementContainer_.getBaseUnit() !== 'px')) {
     //   // Old value was a number, so get unit, then convert
@@ -3102,7 +3630,6 @@
     // }
     elem.setAttribute(attr, val);
   };
-
   /**
   * Converts given values to numbers. Attributes must be supplied in
   * case a percentage is given
@@ -3112,31 +3639,36 @@
   * @param {string} val - Attribute value to convert
   * @returns {Float} The converted number
   */
+
   var convertToNum = function convertToNum(attr, val) {
     // Return a number if that's what it already is
     if (!isNaN(val)) {
       return val - 0;
     }
+
     if (val.substr(-1) === '%') {
       // Deal with percentage, depends on attribute
       var _num = val.substr(0, val.length - 1) / 100;
+
       var width = elementContainer_.getWidth();
       var height = elementContainer_.getHeight();
 
       if (wAttrs.includes(attr)) {
         return _num * width;
       }
+
       if (hAttrs.includes(attr)) {
         return _num * height;
       }
+
       return _num * Math.sqrt(width * width + height * height) / Math.sqrt(2);
     }
+
     var unit = val.substr(-2);
-    var num = val.substr(0, val.length - 2);
-    // Note that this multiplication turns the string into a number
+    var num = val.substr(0, val.length - 2); // Note that this multiplication turns the string into a number
+
     return num * typeMap_[unit];
   };
-
   /**
   * Check if an attribute's value is in a valid format
   * @function module:units.isValidUnit
@@ -3144,67 +3676,65 @@
   * @param {string} val - The attribute value to check
   * @returns {boolean} Whether the unit is valid
   */
+
   var isValidUnit = function isValidUnit(attr, val, selectedElement) {
     if (unitAttrs.includes(attr)) {
       // True if it's just a number
       if (!isNaN(val)) {
         return true;
-      }
-      // Not a number, check if it has a valid unit
+      } // Not a number, check if it has a valid unit
+
+
       val = val.toLowerCase();
       return Object.keys(typeMap_).some(function (unit) {
         var re = new RegExp('^-?[\\d\\.]+' + unit + '$');
         return re.test(val);
       });
     }
+
     if (attr === 'id') {
       // if we're trying to change the id, make sure it's not already present in the doc
       // and the id value is valid.
-
-      var result = false;
-      // because getElem() can throw an exception in the case of an invalid id
+      var result = false; // because getElem() can throw an exception in the case of an invalid id
       // (according to https://www.w3.org/TR/xml-id/ IDs must be a NCName)
       // we wrap it in an exception and only return true if the ID was valid and
       // not already present
+
       try {
         var elem = elementContainer_.getElement(val);
         result = elem == null || elem === selectedElement;
       } catch (e) {}
+
       return result;
     }
+
     return true;
   };
 
-  /**
-   * For command history tracking and undo functionality
-   * @module history
-   * @license MIT
-   * @copyright 2010 Jeff Schiller
-   */
-
   /**
   * Group: Undo/Redo history management
   */
+
   var HistoryEventTypes = {
     BEFORE_APPLY: 'before_apply',
     AFTER_APPLY: 'after_apply',
     BEFORE_UNAPPLY: 'before_unapply',
     AFTER_UNAPPLY: 'after_unapply'
-  };
-
-  // const removedElements = {};
+  }; // const removedElements = {};
 
   /**
   * Base class for commands
   */
 
-  var Command = function () {
+  var Command =
+  /*#__PURE__*/
+  function () {
     function Command() {
-      classCallCheck(this, Command);
+      _classCallCheck(this, Command);
     }
 
-    createClass(Command, [{
-      key: 'getText',
+    _createClass(Command, [{
+      key: "getText",
 
       /**
       * @returns {string}
@@ -3213,10 +3743,9 @@
         return this.text;
       }
     }]);
-    return Command;
-  }();
 
-  // Todo: Figure out why the interface members aren't showing
+    return Command;
+  }(); // Todo: Figure out why the interface members aren't showing
   //   up (with or without modules applied), despite our apparently following
   //   http://usejsdoc.org/tags-interface.html#virtual-comments
 
@@ -3224,6 +3753,7 @@
    * An interface that all command objects must implement.
    * @interface module:history.HistoryCommand
   */
+
   /**
    * Applies
    *
@@ -3232,6 +3762,7 @@
    * @fires module:history~Command#event:history
    * @returns {undefined|true}
    */
+
   /**
    *
    * Unapplies
@@ -3240,21 +3771,25 @@
    * @fires module:history~Command#event:history
    * @returns {undefined|true}
    */
+
   /**
    * Returns the elements
    * @function module:history.HistoryCommand#elements
    * @returns {Element[]}
    */
+
   /**
    * Gets the text
    * @function module:history.HistoryCommand#getText
    * @returns {string}
    */
+
   /**
    * Gives the type
    * @function module:history.HistoryCommand.type
    * @returns {string}
    */
+
   /**
    * Gives the type
    * @function module:history.HistoryCommand#type
@@ -3270,6 +3805,7 @@
    * An interface for objects that will handle history events.
    * @interface module:history.HistoryEventHandler
    */
+
   /**
    *
    * @function module:history.HistoryEventHandler#handleHistoryEvent
@@ -3290,14 +3826,17 @@
   */
 
 
-  var MoveElementCommand = function (_Command) {
-    inherits(MoveElementCommand, _Command);
+  var MoveElementCommand =
+  /*#__PURE__*/
+  function (_Command) {
+    _inherits(MoveElementCommand, _Command);
 
     function MoveElementCommand(elem, oldNextSibling, oldParent, text) {
-      classCallCheck(this, MoveElementCommand);
+      var _this;
 
-      var _this = possibleConstructorReturn(this, (MoveElementCommand.__proto__ || Object.getPrototypeOf(MoveElementCommand)).call(this));
+      _classCallCheck(this, MoveElementCommand);
 
+      _this = _possibleConstructorReturn(this, _getPrototypeOf(MoveElementCommand).call(this));
       _this.elem = elem;
       _this.text = text ? 'Move ' + elem.tagName + ' to ' + text : 'Move ' + elem.tagName;
       _this.oldNextSibling = oldNextSibling;
@@ -3307,12 +3846,11 @@
       return _this;
     }
 
-    createClass(MoveElementCommand, [{
-      key: 'type',
+    _createClass(MoveElementCommand, [{
+      key: "type",
       value: function type() {
         return 'svgedit.history.MoveElementCommand';
       }
-
       /**
        * Re-positions the element
        * @param {module:history.HistoryEventHandler} handler
@@ -3321,7 +3859,7 @@
       */
 
     }, {
-      key: 'apply',
+      key: "apply",
       value: function apply(handler) {
         // TODO(codedread): Refactor this common event code into a base HistoryCommand class.
         if (handler) {
@@ -3334,7 +3872,6 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);
         }
       }
-
       /**
        * Positions the element back to its original location
        * @param {module:history.HistoryEventHandler} handler
@@ -3343,7 +3880,7 @@
       */
 
     }, {
-      key: 'unapply',
+      key: "unapply",
       value: function unapply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
@@ -3355,21 +3892,20 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);
         }
       }
-
       /**
       * @returns {Element[]} Array with element associated with this command
       */
 
     }, {
-      key: 'elements',
+      key: "elements",
       value: function elements() {
         return [this.elem];
       }
     }]);
+
     return MoveElementCommand;
   }(Command);
   MoveElementCommand.type = MoveElementCommand.prototype.type;
-
   /**
   * History command for an element that was added to the DOM
   * @implements {module:history.HistoryCommand}
@@ -3377,14 +3913,18 @@
   * @param {Element} elem - The newly added DOM element
   * @param {string} text - An optional string visible to user related to this change
   */
-  var InsertElementCommand = function (_Command2) {
-    inherits(InsertElementCommand, _Command2);
+
+  var InsertElementCommand =
+  /*#__PURE__*/
+  function (_Command2) {
+    _inherits(InsertElementCommand, _Command2);
 
     function InsertElementCommand(elem, text) {
-      classCallCheck(this, InsertElementCommand);
+      var _this2;
 
-      var _this2 = possibleConstructorReturn(this, (InsertElementCommand.__proto__ || Object.getPrototypeOf(InsertElementCommand)).call(this));
+      _classCallCheck(this, InsertElementCommand);
 
+      _this2 = _possibleConstructorReturn(this, _getPrototypeOf(InsertElementCommand).call(this));
       _this2.elem = elem;
       _this2.text = text || 'Create ' + elem.tagName;
       _this2.parent = elem.parentNode;
@@ -3392,12 +3932,11 @@
       return _this2;
     }
 
-    createClass(InsertElementCommand, [{
-      key: 'type',
+    _createClass(InsertElementCommand, [{
+      key: "type",
       value: function type() {
         return 'svgedit.history.InsertElementCommand';
       }
-
       /**
       * Re-inserts the new element
       * @param {module:history.HistoryEventHandler} handler
@@ -3406,7 +3945,7 @@
       */
 
     }, {
-      key: 'apply',
+      key: "apply",
       value: function apply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);
@@ -3418,7 +3957,6 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);
         }
       }
-
       /**
       * Removes the element
       * @param {module:history.HistoryEventHandler} handler
@@ -3427,7 +3965,7 @@
       */
 
     }, {
-      key: 'unapply',
+      key: "unapply",
       value: function unapply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
@@ -3440,21 +3978,20 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);
         }
       }
-
       /**
       * @returns {Element[]} Array with element associated with this command
       */
 
     }, {
-      key: 'elements',
+      key: "elements",
       value: function elements() {
         return [this.elem];
       }
     }]);
+
     return InsertElementCommand;
   }(Command);
   InsertElementCommand.type = InsertElementCommand.prototype.type;
-
   /**
   * History command for an element removed from the DOM
   * @implements {module:history.HistoryCommand}
@@ -3463,30 +4000,32 @@
   * @param {Element} oldParent - The DOM element's parent
   * @param {string} [text] - An optional string visible to user related to this change
   */
-  var RemoveElementCommand = function (_Command3) {
-    inherits(RemoveElementCommand, _Command3);
+
+  var RemoveElementCommand =
+  /*#__PURE__*/
+  function (_Command3) {
+    _inherits(RemoveElementCommand, _Command3);
 
     function RemoveElementCommand(elem, oldNextSibling, oldParent, text) {
-      classCallCheck(this, RemoveElementCommand);
+      var _this3;
 
-      var _this3 = possibleConstructorReturn(this, (RemoveElementCommand.__proto__ || Object.getPrototypeOf(RemoveElementCommand)).call(this));
+      _classCallCheck(this, RemoveElementCommand);
 
+      _this3 = _possibleConstructorReturn(this, _getPrototypeOf(RemoveElementCommand).call(this));
       _this3.elem = elem;
       _this3.text = text || 'Delete ' + elem.tagName;
       _this3.nextSibling = oldNextSibling;
-      _this3.parent = oldParent;
+      _this3.parent = oldParent; // special hack for webkit: remove this element's entry in the svgTransformLists map
 
-      // special hack for webkit: remove this element's entry in the svgTransformLists map
       removeElementFromListMap(elem);
       return _this3;
     }
 
-    createClass(RemoveElementCommand, [{
-      key: 'type',
+    _createClass(RemoveElementCommand, [{
+      key: "type",
       value: function type() {
         return 'svgedit.history.RemoveElementCommand';
       }
-
       /**
       * Re-removes the new element
       * @param {module:history.HistoryEventHandler} handler
@@ -3495,7 +4034,7 @@
       */
 
     }, {
-      key: 'apply',
+      key: "apply",
       value: function apply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);
@@ -3509,7 +4048,6 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);
         }
       }
-
       /**
       * Re-adds the new element
       * @param {module:history.HistoryEventHandler} handler
@@ -3518,42 +4056,44 @@
       */
 
     }, {
-      key: 'unapply',
+      key: "unapply",
       value: function unapply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
         }
 
         removeElementFromListMap(this.elem);
+
         if (this.nextSibling == null) {
           if (window.console) {
             console.log('Error: reference element was lost');
           }
         }
+
         this.parent.insertBefore(this.elem, this.nextSibling); // Don't use `before` or `prepend` as `this.nextSibling` may be `null`
 
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);
         }
       }
-
       /**
       * @returns {Element[]} Array with element associated with this command
       */
 
     }, {
-      key: 'elements',
+      key: "elements",
       value: function elements() {
         return [this.elem];
       }
     }]);
+
     return RemoveElementCommand;
   }(Command);
   RemoveElementCommand.type = RemoveElementCommand.prototype.type;
-
   /**
   * @typedef {"#text"|"#href"|string} module:history.CommandAttributeName
   */
+
   /**
   * @typedef {PlainObject.<module:history.CommandAttributeName, string>} module:history.CommandAttributes
   */
@@ -3566,18 +4106,23 @@
   * @param {module:history.CommandAttributes} attrs - Attributes to be changed with the values they had *before* the change
   * @param {string} text - An optional string visible to user related to this change
   */
-  var ChangeElementCommand = function (_Command4) {
-    inherits(ChangeElementCommand, _Command4);
+
+  var ChangeElementCommand =
+  /*#__PURE__*/
+  function (_Command4) {
+    _inherits(ChangeElementCommand, _Command4);
 
     function ChangeElementCommand(elem, attrs, text) {
-      classCallCheck(this, ChangeElementCommand);
+      var _this4;
 
-      var _this4 = possibleConstructorReturn(this, (ChangeElementCommand.__proto__ || Object.getPrototypeOf(ChangeElementCommand)).call(this));
+      _classCallCheck(this, ChangeElementCommand);
 
+      _this4 = _possibleConstructorReturn(this, _getPrototypeOf(ChangeElementCommand).call(this));
       _this4.elem = elem;
       _this4.text = text ? 'Change ' + elem.tagName + ' ' + text : 'Change ' + elem.tagName;
       _this4.newValues = {};
       _this4.oldValues = attrs;
+
       for (var attr in attrs) {
         if (attr === '#text') {
           _this4.newValues[attr] = elem.textContent;
@@ -3587,15 +4132,15 @@
           _this4.newValues[attr] = elem.getAttribute(attr);
         }
       }
+
       return _this4;
     }
 
-    createClass(ChangeElementCommand, [{
-      key: 'type',
+    _createClass(ChangeElementCommand, [{
+      key: "type",
       value: function type() {
         return 'svgedit.history.ChangeElementCommand';
       }
-
       /**
       * Performs the stored change action
       * @param {module:history.HistoryEventHandler} handler
@@ -3604,13 +4149,14 @@
       */
 
     }, {
-      key: 'apply',
+      key: "apply",
       value: function apply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);
         }
 
         var bChangedTransform = false;
+
         for (var attr in this.newValues) {
           if (this.newValues[attr]) {
             if (attr === '#text') {
@@ -3632,16 +4178,18 @@
           if (attr === 'transform') {
             bChangedTransform = true;
           }
-        }
+        } // relocate rotational transform, if necessary
+
 
-        // relocate rotational transform, if necessary
         if (!bChangedTransform) {
           var angle = getRotationAngle(this.elem);
+
           if (angle) {
             var bbox = this.elem.getBBox();
             var cx = bbox.x + bbox.width / 2,
                 cy = bbox.y + bbox.height / 2;
             var rotate = ['rotate(', angle, ' ', cx, ',', cy, ')'].join('');
+
             if (rotate !== this.elem.getAttribute('transform')) {
               this.elem.setAttribute('transform', rotate);
             }
@@ -3654,7 +4202,6 @@
 
         return true;
       }
-
       /**
       * Reverses the stored change action
       * @param {module:history.HistoryEventHandler} handler
@@ -3663,13 +4210,14 @@
       */
 
     }, {
-      key: 'unapply',
+      key: "unapply",
       value: function unapply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
         }
 
         var bChangedTransform = false;
+
         for (var attr in this.oldValues) {
           if (this.oldValues[attr]) {
             if (attr === '#text') {
@@ -3686,25 +4234,29 @@
               this.elem.removeAttribute(attr);
             }
           }
+
           if (attr === 'transform') {
             bChangedTransform = true;
           }
-        }
-        // relocate rotational transform, if necessary
+        } // relocate rotational transform, if necessary
+
+
         if (!bChangedTransform) {
           var angle = getRotationAngle(this.elem);
+
           if (angle) {
             var bbox = this.elem.getBBox();
             var cx = bbox.x + bbox.width / 2,
                 cy = bbox.y + bbox.height / 2;
             var rotate = ['rotate(', angle, ' ', cx, ',', cy, ')'].join('');
+
             if (rotate !== this.elem.getAttribute('transform')) {
               this.elem.setAttribute('transform', rotate);
             }
           }
-        }
+        } // Remove transformlist to prevent confusion that causes bugs like 575.
+
 
-        // Remove transformlist to prevent confusion that causes bugs like 575.
         removeElementFromListMap(this.elem);
 
         if (handler) {
@@ -3713,22 +4265,20 @@
 
         return true;
       }
-
       /**
       * @returns {Element[]} Array with element associated with this command
       */
 
     }, {
-      key: 'elements',
+      key: "elements",
       value: function elements() {
         return [this.elem];
       }
     }]);
+
     return ChangeElementCommand;
   }(Command);
-  ChangeElementCommand.type = ChangeElementCommand.prototype.type;
-
-  // TODO: create a 'typing' command object that tracks changes in text
+  ChangeElementCommand.type = ChangeElementCommand.prototype.type; // TODO: create a 'typing' command object that tracks changes in text
   // if a new Typing command is created and the top command on the stack is also a Typing
   // and they both affect the same element, then collapse the two commands into one
 
@@ -3736,28 +4286,31 @@
   * History command that can contain/execute multiple other commands
   * @implements {module:history.HistoryCommand}
   */
-  var BatchCommand = function (_Command5) {
-    inherits(BatchCommand, _Command5);
+
+  var BatchCommand =
+  /*#__PURE__*/
+  function (_Command5) {
+    _inherits(BatchCommand, _Command5);
 
     /**
     * @param {string} [text] - An optional string visible to user related to this change
     */
     function BatchCommand(text) {
-      classCallCheck(this, BatchCommand);
+      var _this5;
 
-      var _this5 = possibleConstructorReturn(this, (BatchCommand.__proto__ || Object.getPrototypeOf(BatchCommand)).call(this));
+      _classCallCheck(this, BatchCommand);
 
+      _this5 = _possibleConstructorReturn(this, _getPrototypeOf(BatchCommand).call(this));
       _this5.text = text || 'Batch Command';
       _this5.stack = [];
       return _this5;
     }
 
-    createClass(BatchCommand, [{
-      key: 'type',
+    _createClass(BatchCommand, [{
+      key: "type",
       value: function type() {
         return 'svgedit.history.BatchCommand';
       }
-
       /**
       * Runs "apply" on all subcommands
       * @param {module:history.HistoryEventHandler} handler
@@ -3766,13 +4319,14 @@
       */
 
     }, {
-      key: 'apply',
+      key: "apply",
       value: function apply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);
         }
 
         var len = this.stack.length;
+
         for (var i = 0; i < len; ++i) {
           this.stack[i].apply(handler);
         }
@@ -3781,7 +4335,6 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);
         }
       }
-
       /**
       * Runs "unapply" on all subcommands
       * @param {module:history.HistoryEventHandler} handler
@@ -3790,7 +4343,7 @@
       */
 
     }, {
-      key: 'unapply',
+      key: "unapply",
       value: function unapply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
@@ -3804,155 +4357,149 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);
         }
       }
-
       /**
       * Iterate through all our subcommands
       * @returns {Element[]} All the elements we are changing
       */
 
     }, {
-      key: 'elements',
+      key: "elements",
       value: function elements() {
         var elems = [];
         var cmd = this.stack.length;
+
         while (cmd--) {
           var thisElems = this.stack[cmd].elements();
           var elem = thisElems.length;
+
           while (elem--) {
             if (!elems.includes(thisElems[elem])) {
               elems.push(thisElems[elem]);
             }
           }
         }
+
         return elems;
       }
-
       /**
       * Adds a given command to the history stack
       * @param {Command} cmd - The undo command object to add
       */
 
     }, {
-      key: 'addSubCommand',
+      key: "addSubCommand",
       value: function addSubCommand(cmd) {
         this.stack.push(cmd);
       }
-
       /**
       * @returns {boolean} Indicates whether or not the batch command is empty
       */
 
     }, {
-      key: 'isEmpty',
+      key: "isEmpty",
       value: function isEmpty() {
         return !this.stack.length;
       }
     }]);
+
     return BatchCommand;
   }(Command);
   BatchCommand.type = BatchCommand.prototype.type;
-
   /**
   *
   */
-  var UndoManager = function () {
+
+  var UndoManager =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {module:history.HistoryEventHandler} historyEventHandler
     */
     function UndoManager(historyEventHandler) {
-      classCallCheck(this, UndoManager);
+      _classCallCheck(this, UndoManager);
 
       this.handler_ = historyEventHandler || null;
       this.undoStackPointer = 0;
-      this.undoStack = [];
-
-      // this is the stack that stores the original values, the elements and
+      this.undoStack = []; // this is the stack that stores the original values, the elements and
       // the attribute name for begin/finish
+
       this.undoChangeStackPointer = -1;
       this.undoableChangeStack = [];
     }
-
     /**
     * Resets the undo stack, effectively clearing the undo/redo history
     * @returns {undefined}
     */
 
 
-    createClass(UndoManager, [{
-      key: 'resetUndoStack',
+    _createClass(UndoManager, [{
+      key: "resetUndoStack",
       value: function resetUndoStack() {
         this.undoStack = [];
         this.undoStackPointer = 0;
       }
-
       /**
       * @returns {Integer} Current size of the undo history stack
       */
 
     }, {
-      key: 'getUndoStackSize',
+      key: "getUndoStackSize",
       value: function getUndoStackSize() {
         return this.undoStackPointer;
       }
-
       /**
       * @returns {Integer} Current size of the redo history stack
       */
 
     }, {
-      key: 'getRedoStackSize',
+      key: "getRedoStackSize",
       value: function getRedoStackSize() {
         return this.undoStack.length - this.undoStackPointer;
       }
-
       /**
       * @returns {string} String associated with the next undo command
       */
 
     }, {
-      key: 'getNextUndoCommandText',
+      key: "getNextUndoCommandText",
       value: function getNextUndoCommandText() {
         return this.undoStackPointer > 0 ? this.undoStack[this.undoStackPointer - 1].getText() : '';
       }
-
       /**
       * @returns {string} String associated with the next redo command
       */
 
     }, {
-      key: 'getNextRedoCommandText',
+      key: "getNextRedoCommandText",
       value: function getNextRedoCommandText() {
         return this.undoStackPointer < this.undoStack.length ? this.undoStack[this.undoStackPointer].getText() : '';
       }
-
       /**
       * Performs an undo step
       * @returns {undefined}
       */
 
     }, {
-      key: 'undo',
+      key: "undo",
       value: function undo() {
         if (this.undoStackPointer > 0) {
           var cmd = this.undoStack[--this.undoStackPointer];
           cmd.unapply(this.handler_);
         }
       }
-
       /**
       * Performs a redo step
       * @returns {undefined}
       */
 
     }, {
-      key: 'redo',
+      key: "redo",
       value: function redo() {
         if (this.undoStackPointer < this.undoStack.length && this.undoStack.length > 0) {
           var cmd = this.undoStack[this.undoStackPointer++];
           cmd.apply(this.handler_);
         }
       }
-
       /**
       * Adds a command object to the undo history stack
       * @param {Command} cmd - The command object to add
@@ -3960,22 +4507,21 @@
       */
 
     }, {
-      key: 'addCommandToHistory',
+      key: "addCommandToHistory",
       value: function addCommandToHistory(cmd) {
         // FIXME: we MUST compress consecutive text changes to the same element
         // (right now each keystroke is saved as a separate command that includes the
         // entire text contents of the text element)
         // TODO: consider limiting the history that we store here (need to do some slicing)
-
         // if our stack pointer is not at the end, then we have to remove
         // all commands after the pointer and insert the new command
         if (this.undoStackPointer < this.undoStack.length && this.undoStack.length > 0) {
           this.undoStack = this.undoStack.splice(0, this.undoStackPointer);
         }
+
         this.undoStack.push(cmd);
         this.undoStackPointer = this.undoStack.length;
       }
-
       /**
       * This function tells the canvas to remember the old values of the
       * `attrName` attribute for each element sent in.  The elements and values
@@ -3988,27 +4534,30 @@
       */
 
     }, {
-      key: 'beginUndoableChange',
+      key: "beginUndoableChange",
       value: function beginUndoableChange(attrName, elems) {
         var p = ++this.undoChangeStackPointer;
         var i = elems.length;
         var oldValues = new Array(i),
             elements = new Array(i);
+
         while (i--) {
           var elem = elems[i];
+
           if (elem == null) {
             continue;
           }
+
           elements[i] = elem;
           oldValues[i] = elem.getAttribute(attrName);
         }
+
         this.undoableChangeStack[p] = {
           attrName: attrName,
           oldValues: oldValues,
           elements: elements
         };
       }
-
       /**
       * This function returns a `BatchCommand` object which summarizes the
       * change since `beginUndoableChange` was called.  The command can then
@@ -4017,29 +4566,34 @@
       */
 
     }, {
-      key: 'finishUndoableChange',
+      key: "finishUndoableChange",
       value: function finishUndoableChange() {
         var p = this.undoChangeStackPointer--;
         var changeset = this.undoableChangeStack[p];
         var attrName = changeset.attrName;
-
         var batchCmd = new BatchCommand('Change ' + attrName);
         var i = changeset.elements.length;
+
         while (i--) {
           var elem = changeset.elements[i];
+
           if (elem == null) {
             continue;
           }
+
           var changes = {};
           changes[attrName] = changeset.oldValues[i];
+
           if (changes[attrName] !== elem.getAttribute(attrName)) {
             batchCmd.addSubCommand(new ChangeElementCommand(elem, changes, attrName));
           }
         }
+
         this.undoableChangeStack[p] = null;
         return batchCmd;
       }
     }]);
+
     return UndoManager;
   }();
 
@@ -4061,12 +4615,9 @@
    * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller
    */
 
-  // Constants
-  var NEAR_ZERO = 1e-14;
+  var NEAR_ZERO = 1e-14; // Throw away SVGSVGElement used for creating matrices/transforms.
 
-  // Throw away SVGSVGElement used for creating matrices/transforms.
   var svg$1 = document.createElementNS(NS.SVG, 'svg');
-
   /**
    * A (hopefully) quicker function to transform a point by a matrix
    * (this function avoids any DOM calls and just does the math)
@@ -4076,10 +4627,13 @@
    * @param {SVGMatrix} m - Matrix object to transform the point with
    * @returns {module:math.XYObject} An x, y object representing the transformed point
   */
-  var transformPoint = function transformPoint(x, y, m) {
-    return { x: m.a * x + m.c * y + m.e, y: m.b * x + m.d * y + m.f };
-  };
 
+  var transformPoint = function transformPoint(x, y, m) {
+    return {
+      x: m.a * x + m.c * y + m.e,
+      y: m.b * x + m.d * y + m.f
+    };
+  };
   /**
    * Helper function to check if the matrix performs no actual transform
    * (i.e. exists for identity purposes)
@@ -4087,10 +4641,10 @@
    * @param {SVGMatrix} m - The matrix object to check
    * @returns {boolean} Indicates whether or not the matrix is 1,0,0,1,0,0
   */
+
   var isIdentity = function isIdentity(m) {
     return m.a === 1 && m.b === 0 && m.c === 0 && m.d === 1 && m.e === 0 && m.f === 0;
   };
-
   /**
    * This function tries to return a `SVGMatrix` that is the multiplication `m1 * m2`.
    * We also round to zero when it's near zero
@@ -4098,8 +4652,9 @@
    * @param {...SVGMatrix} args - Matrix objects to multiply
    * @returns {SVGMatrix} The matrix object resulting from the calculation
   */
+
   var matrixMultiply = function matrixMultiply() {
-    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
       args[_key] = arguments[_key];
     }
 
@@ -4110,45 +4665,46 @@
     if (Math.abs(m.a) < NEAR_ZERO) {
       m.a = 0;
     }
+
     if (Math.abs(m.b) < NEAR_ZERO) {
       m.b = 0;
     }
+
     if (Math.abs(m.c) < NEAR_ZERO) {
       m.c = 0;
     }
+
     if (Math.abs(m.d) < NEAR_ZERO) {
       m.d = 0;
     }
+
     if (Math.abs(m.e) < NEAR_ZERO) {
       m.e = 0;
     }
+
     if (Math.abs(m.f) < NEAR_ZERO) {
       m.f = 0;
     }
 
     return m;
   };
-
-  /**
-   * See if the given transformlist includes a non-indentity matrix transform
-   * @function module:math.hasMatrixTransform
-   * @param {SVGTransformList} [tlist] - The transformlist to check
-   * @returns {boolean} Whether or not a matrix transform was found
-  */
   var hasMatrixTransform = function hasMatrixTransform(tlist) {
     if (!tlist) {
       return false;
     }
+
     var num = tlist.numberOfItems;
+
     while (num--) {
       var xform = tlist.getItem(num);
+
       if (xform.type === 1 && !isIdentity(xform.matrix)) {
         return true;
       }
     }
+
     return false;
   };
-
   /**
   * @typedef {PlainObject} module:math.TransformedBox An object with the following values
   * @property {module:math.XYObject} tl - The top left coordinate
@@ -4172,6 +4728,7 @@
    * @param {SVGMatrix} m - Matrix object to transform the box by
    * @returns {module:math.TransformedBox}
   */
+
   var transformBox = function transformBox(l, t, w, h, m) {
     var tl = transformPoint(l, t, m),
         tr = transformPoint(l + w, t, m),
@@ -4181,7 +4738,6 @@
         maxx = Math.max(tl.x, tr.x, bl.x, br.x),
         miny = Math.min(tl.y, tr.y, bl.y, br.y),
         maxy = Math.max(tl.y, tr.y, bl.y, br.y);
-
     return {
       tl: tl,
       tr: tr,
@@ -4195,7 +4751,6 @@
       }
     };
   };
-
   /**
    * This returns a single matrix Transform for a given Transform List
    * (this is the equivalent of `SVGTransformList.consolidate()` but unlike
@@ -4208,38 +4763,45 @@
    *   defaults to one less than the tlist's `numberOfItems`
    * @returns {SVGTransform} A single matrix transform object
   */
+
   var transformListToTransform = function transformListToTransform(tlist, min, max) {
     if (tlist == null) {
       // Or should tlist = null have been prevented before this?
       return svg$1.createSVGTransformFromMatrix(svg$1.createSVGMatrix());
     }
+
     min = min || 0;
     max = max || tlist.numberOfItems - 1;
     min = parseInt(min, 10);
     max = parseInt(max, 10);
+
     if (min > max) {
-      var temp = max;max = min;min = temp;
+      var temp = max;
+      max = min;
+      min = temp;
     }
+
     var m = svg$1.createSVGMatrix();
+
     for (var i = min; i <= max; ++i) {
       // if our indices are out of range, just use a harmless identity matrix
       var mtom = i >= 0 && i < tlist.numberOfItems ? tlist.getItem(i).matrix : svg$1.createSVGMatrix();
       m = matrixMultiply(m, mtom);
     }
+
     return svg$1.createSVGTransformFromMatrix(m);
   };
-
   /**
    * Get the matrix object for a given element
    * @function module:math.getMatrix
    * @param {Element} elem - The DOM element to check
    * @returns {SVGMatrix} The matrix object associated with the element's transformlist
   */
+
   var getMatrix = function getMatrix(elem) {
     var tlist = getTransformList(elem);
     return transformListToTransform(tlist).matrix;
   };
-
   /**
    * Returns a 45 degree angle coordinate associated with the two given
    * coordinates
@@ -4250,21 +4812,21 @@
    * @param {Integer} y2 - Second coordinate's y value
    * @returns {module:math.AngleCoord45}
   */
+
   var snapToAngle = function snapToAngle(x1, y1, x2, y2) {
     var snap = Math.PI / 4; // 45 degrees
+
     var dx = x2 - x1;
     var dy = y2 - y1;
     var angle = Math.atan2(dy, dx);
     var dist = Math.sqrt(dx * dx + dy * dy);
     var snapangle = Math.round(angle / snap) * snap;
-
     return {
       x: x1 + dist * Math.cos(snapangle),
       y: y1 + dist * Math.sin(snapangle),
       a: snapangle
     };
   };
-
   /**
    * Check if two rectangles (BBoxes objects) intersect each other
    * @function module:math.rectsIntersect
@@ -4272,26 +4834,32 @@
    * @param {SVGRect} r2 - The second BBox-like object
    * @returns {boolean} True if rectangles intersect
    */
+
   var rectsIntersect = function rectsIntersect(r1, r2) {
     return r2.x < r1.x + r1.width && r2.x + r2.width > r1.x && r2.y < r1.y + r1.height && r2.y + r2.height > r1.y;
   };
 
-  /* globals jQuery */
-
   var $$1 = jQuery;
-
   var segData = {
-    2: ['x', 'y'], // PATHSEG_MOVETO_ABS
-    4: ['x', 'y'], // PATHSEG_LINETO_ABS
-    6: ['x', 'y', 'x1', 'y1', 'x2', 'y2'], // PATHSEG_CURVETO_CUBIC_ABS
-    8: ['x', 'y', 'x1', 'y1'], // PATHSEG_CURVETO_QUADRATIC_ABS
-    10: ['x', 'y', 'r1', 'r2', 'angle', 'largeArcFlag', 'sweepFlag'], // PATHSEG_ARC_ABS
-    12: ['x'], // PATHSEG_LINETO_HORIZONTAL_ABS
-    14: ['y'], // PATHSEG_LINETO_VERTICAL_ABS
-    16: ['x', 'y', 'x2', 'y2'], // PATHSEG_CURVETO_CUBIC_SMOOTH_ABS
+    2: ['x', 'y'],
+    // PATHSEG_MOVETO_ABS
+    4: ['x', 'y'],
+    // PATHSEG_LINETO_ABS
+    6: ['x', 'y', 'x1', 'y1', 'x2', 'y2'],
+    // PATHSEG_CURVETO_CUBIC_ABS
+    8: ['x', 'y', 'x1', 'y1'],
+    // PATHSEG_CURVETO_QUADRATIC_ABS
+    10: ['x', 'y', 'r1', 'r2', 'angle', 'largeArcFlag', 'sweepFlag'],
+    // PATHSEG_ARC_ABS
+    12: ['x'],
+    // PATHSEG_LINETO_HORIZONTAL_ABS
+    14: ['y'],
+    // PATHSEG_LINETO_VERTICAL_ABS
+    16: ['x', 'y', 'x2', 'y2'],
+    // PATHSEG_CURVETO_CUBIC_SMOOTH_ABS
     18: ['x', 'y'] // PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS
-  };
 
+  };
   /**
    * @tutorial LocaleDocs
    * @typedef {module:locale.LocaleStrings|PlainObject} module:path.uiStrings
@@ -4304,36 +4872,32 @@
   * @param {module:path.uiStrings} strs
   * @returns {undefined}
   */
+
   var setUiStrings = function setUiStrings(strs) {
     Object.assign(uiStrings, strs.ui);
   };
-
   var pathFuncs = [];
-
-  var linkControlPts = true;
-
-  // Stores references to paths via IDs.
+  var linkControlPts = true; // Stores references to paths via IDs.
   // TODO: Make this cross-document happy.
-  var pathData = {};
 
+  var pathData = {};
   /**
   * @function module:path.setLinkControlPoints
   * @param {boolean} lcp
   * @returns {undefined}
   */
+
   var setLinkControlPoints = function setLinkControlPoints(lcp) {
     linkControlPts = lcp;
   };
-
   /**
    * @name module:path.path
    * @type {null|module:path.Path}
    * @memberof module:path
   */
+
   var path = null;
-
   var editorContext_ = null;
-
   /**
   * @external MouseEvent
   */
@@ -4347,44 +4911,52 @@
   * @property {module:path.SVGElementJSON[]} [children] - Data objects to be added recursively as children
   * @property {string} [namespace="http://www.w3.org/2000/svg"] - Indicate a (non-SVG) namespace
   */
+
   /**
    * @interface module:path.EditorContext
    * @property {module:select.SelectorManager} selectorManager
    * @property {module:svgcanvas.SvgCanvas} canvas
    */
+
   /**
    * @function module:path.EditorContext#call
    * @param {"selected"|"changed"} ev - String with the event name
    * @param {module:svgcanvas.SvgCanvas#event:selected|module:svgcanvas.SvgCanvas#event:changed} arg - Argument to pass through to the callback function. If the event is "changed", an array of `Element`s is passed; if "selected", a single-item array of `Element` is passed.
    * @returns {undefined}
    */
+
   /**
    * @function module:path.EditorContext#resetD
    * @param {SVGPathElement} p
    * @returns {undefined}
   */
+
   /**
    * Note: This doesn't round to an integer necessarily
    * @function module:path.EditorContext#round
    * @param {Float} val
    * @returns {Float} Rounded value to nearest value based on `currentZoom`
    */
+
   /**
    * @function module:path.EditorContext#clearSelection
    * @param {boolean} [noCall] - When `true`, does not call the "selected" handler
    * @returns {undefined}
   */
+
   /**
    * @function module:path.EditorContext#addToSelection
    * @param {Element[]} elemsToAdd - An array of DOM elements to add to the selection
    * @param {boolean} showGrips - Indicates whether the resize grips should be shown
    * @returns {undefined}
   */
+
   /**
    * @function module:path.EditorContext#addCommandToHistory
    * @param {Command} cmd
    * @returns {undefined}
    */
+
   /**
    * @function module:path.EditorContext#remapElement
    * @param {Element} selected - DOM element to be changed
@@ -4392,41 +4964,50 @@
    * @param {SVGMatrix} m - Matrix object to use for remapping coordinates
    * @returns {undefined}
    */
+
   /**
    * @function module:path.EditorContext#addSVGElementFromJson
    * @param {module:path.SVGElementJSON} data
    * @returns {Element} The new element
   */
+
   /**
    * @function module:path.EditorContext#getGridSnapping
    * @returns {boolean}
    */
+
   /**
    * @function module:path.EditorContext#getOpacity
    * @returns {Float}
    */
+
   /**
    * @function module:path.EditorContext#getSelectedElements
    * @returns {Element[]} the array with selected DOM elements
   */
+
   /**
    * @function module:path.EditorContext#getContainer
    * @returns {Element}
    */
+
   /**
    * @function module:path.EditorContext#setStarted
    * @param {boolean} s
    * @returns {undefined}
    */
+
   /**
    * @function module:path.EditorContext#getRubberBox
    * @returns {SVGRectElement}
   */
+
   /**
    * @function module:path.EditorContext#setRubberBox
    * @param {SVGRectElement} rb
    * @returns {SVGRectElement} Same as parameter passed in
    */
+
   /**
    * @function module:path.EditorContext#addPtsToSelection
    * @param {PlainObject} cfg
@@ -4434,6 +5015,7 @@
    * @param {SVGCircleElement[]} cfg.grips
    * @returns {undefined}
    */
+
   /**
    * @function module:path.EditorContext#endChanges
    * @param {PlainObject} cfg
@@ -4441,44 +5023,53 @@
    * @param {Element} cfg.elem
    * @returns {undefined}
   */
+
   /**
    * @function module:path.EditorContext#getCurrentZoom
    * @returns {Float} The current zoom level
    */
+
   /**
    * Returns the last created DOM element ID string
    * @function module:path.EditorContext#getId
    * @returns {string}
    */
+
   /**
    * Creates and returns a unique ID string for a DOM element
    * @function module:path.EditorContext#getNextId
    * @returns {string}
   */
+
   /**
    * Gets the desired element from a mouse event
    * @function module:path.EditorContext#getMouseTarget
    * @param {external:MouseEvent} evt - Event object from the mouse event
    * @returns {Element} DOM element we want
    */
+
   /**
    * @function module:path.EditorContext#getCurrentMode
    * @returns {string}
    */
+
   /**
    * @function module:path.EditorContext#setCurrentMode
    * @param {string} cm The mode
    * @returns {string} The same mode as passed in
   */
+
   /**
    * @function module:path.EditorContext#getDrawnPath
    * @returns {SVGPathElement|null}
    */
+
   /**
    * @function module:path.EditorContext#setDrawnPath
    * @param {SVGPathElement|null} dp
    * @returns {SVGPathElement|null} The same value as passed in
    */
+
   /**
    * @function module:path.EditorContext#getSVGRoot
    * @returns {SVGSVGElement}
@@ -4489,9 +5080,9 @@
   * @param {module:path.EditorContext} editorContext
   * @returns {undefined}
   */
+
   var init$1 = function init$$1(editorContext) {
     editorContext_ = editorContext;
-
     pathFuncs = [0, 'ClosePath'];
     var pathFuncsStrs = ['Moveto', 'Lineto', 'CurvetoCubic', 'CurvetoQuadratic', 'Arc', 'LinetoHorizontal', 'LinetoVertical', 'CurvetoCubicSmooth', 'CurvetoQuadraticSmooth'];
     $$1.each(pathFuncsStrs, function (i, s) {
@@ -4499,7 +5090,6 @@
       pathFuncs.push(s + 'Rel');
     });
   };
-
   /**
   * @function module:path.insertItemBefore
   * @param {Element} elem
@@ -4507,6 +5097,7 @@
   * @param {Integer} index
   * @returns {undefined}
   */
+
   var insertItemBefore = function insertItemBefore(elem, newseg, index) {
     // Support insertItemBefore on paths for FF2
     var list = elem.pathSegList;
@@ -4515,22 +5106,26 @@
       list.insertItemBefore(newseg, index);
       return;
     }
+
     var len = list.numberOfItems;
     var arr = [];
+
     for (var i = 0; i < len; i++) {
       var curSeg = list.getItem(i);
       arr.push(curSeg);
     }
+
     list.clear();
+
     for (var _i = 0; _i < len; _i++) {
       if (_i === index) {
         // index + 1
         list.appendItem(newseg);
       }
+
       list.appendItem(arr[_i]);
     }
   };
-
   /**
   * @function module:path.ptObjToArr
   * @todo See if this should just live in `replacePathSeg`
@@ -4538,22 +5133,22 @@
   * @param {SVGPathSegMovetoAbs|SVGPathSegLinetoAbs|SVGPathSegCurvetoCubicAbs|SVGPathSegCurvetoQuadraticAbs|SVGPathSegArcAbs|SVGPathSegLinetoHorizontalAbs|SVGPathSegLinetoVerticalAbs|SVGPathSegCurvetoCubicSmoothAbs|SVGPathSegCurvetoQuadraticSmoothAbs} segItem
   * @returns {ArgumentsArray}
   */
+
   var ptObjToArr = function ptObjToArr(type, segItem) {
     var props = segData[type];
     return props.map(function (prop) {
       return segItem[prop];
     });
   };
-
   /**
   * @function module:path.getGripPt
   * @param {Segment} seg
   * @param {module:math.XYObject} altPt
   * @returns {module:math.XYObject}
   */
+
   var getGripPt = function getGripPt(seg, altPt) {
     var path = seg.path;
-
     var out = {
       x: altPt ? altPt.x : seg.item.x,
       y: altPt ? altPt.y : seg.item.y
@@ -4567,16 +5162,15 @@
     var currentZoom = editorContext_.getCurrentZoom();
     out.x *= currentZoom;
     out.y *= currentZoom;
-
     return out;
   };
-
   /**
   * @function module:path.getPointFromGrip
   * @param {module:math.XYObject} pt
   * @param {module:path.Path} path
   * @returns {module:math.XYObject}
   */
+
   var getPointFromGrip = function getPointFromGrip(pt, path) {
     var out = {
       x: pt.x,
@@ -4592,10 +5186,8 @@
     var currentZoom = editorContext_.getCurrentZoom();
     out.x /= currentZoom;
     out.y /= currentZoom;
-
     return out;
   };
-
   /**
   * Requires prior call to `setUiStrings` if `xlink:title`
   *    to be set on the grip
@@ -4605,12 +5197,12 @@
   * @param {Integer} y
   * @returns {SVGCircleElement}
   */
+
   var addPointGrip = function addPointGrip(index, x, y) {
     // create the container of all the point grips
     var pointGripContainer = getGripContainer();
+    var pointGrip = getElem('pathpointgrip_' + index); // create it
 
-    var pointGrip = getElem('pathpointgrip_' + index);
-    // create it
     if (!pointGrip) {
       pointGrip = document.createElementNS(NS.SVG, 'circle');
       var atts = {
@@ -4623,13 +5215,14 @@
         cursor: 'move',
         style: 'pointer-events:all'
       };
+
       if ('pathNodeTooltip' in uiStrings) {
         // May be empty if running path.js without svg-editor
         atts['xlink:title'] = uiStrings.pathNodeTooltip;
       }
+
       assignAttributes(pointGrip, atts);
       pointGrip = pointGripContainer.appendChild(pointGrip);
-
       var grip = $$1('#pathpointgrip_' + index);
       grip.dblclick(function () {
         if (path) {
@@ -4637,6 +5230,7 @@
         }
       });
     }
+
     if (x && y) {
       // set up the point grip element and display it
       assignAttributes(pointGrip, {
@@ -4645,23 +5239,25 @@
         display: 'inline'
       });
     }
+
     return pointGrip;
   };
-
   /**
   * @function module:path.getGripContainer
   * @returns {Element}
   */
+
   var getGripContainer = function getGripContainer() {
     var c = getElem('pathpointgrip_container');
+
     if (!c) {
       var parent = getElem('selectorParentGroup');
       c = parent.appendChild(document.createElementNS(NS.SVG, 'g'));
       c.id = 'pathpointgrip_container';
     }
+
     return c;
   };
-
   /**
   * Requires prior call to `setUiStrings` if `xlink:title`
   *    to be set on the grip
@@ -4669,8 +5265,10 @@
   * @param {string} id
   * @returns {SVGCircleElement}
   */
+
   var addCtrlGrip = function addCtrlGrip(id) {
     var pointGrip = getElem('ctrlpointgrip_' + id);
+
     if (pointGrip) {
       return pointGrip;
     }
@@ -4686,22 +5284,25 @@
       cursor: 'move',
       style: 'pointer-events:all'
     };
+
     if ('pathCtrlPtTooltip' in uiStrings) {
       // May be empty if running path.js without svg-editor
       atts['xlink:title'] = uiStrings.pathCtrlPtTooltip;
     }
+
     assignAttributes(pointGrip, atts);
     getGripContainer().append(pointGrip);
     return pointGrip;
   };
-
   /**
   * @function module:path.getCtrlLine
   * @param {string} id
   * @returns {SVGLineElement}
   */
+
   var getCtrlLine = function getCtrlLine(id) {
     var ctrlLine = getElem('ctrlLine_' + id);
+
     if (ctrlLine) {
       return ctrlLine;
     }
@@ -4716,16 +5317,15 @@
     getGripContainer().append(ctrlLine);
     return ctrlLine;
   };
-
   /**
   * @function module:path.getPointGrip
   * @param {Segment} seg
   * @param {boolean} update
   * @returns {SVGCircleElement}
   */
+
   var getPointGrip = function getPointGrip(seg, update) {
     var index = seg.index;
-
     var pointGrip = addPointGrip(index);
 
     if (update) {
@@ -4739,12 +5339,12 @@
 
     return pointGrip;
   };
-
   /**
   * @function module:path.getControlPoints
   * @param {Segment} seg
   * @returns {PlainObject.<string, SVGLineElement|SVGCircleElement>}
   */
+
   var getControlPoints = function getControlPoints(seg) {
     var item = seg.item,
         index = seg.index;
@@ -4752,22 +5352,26 @@
     if (!('x1' in item) || !('x2' in item)) {
       return null;
     }
+
     var cpt = {};
-    /* const pointGripContainer = */getGripContainer();
+    /* const pointGripContainer = */
+
+    getGripContainer(); // Note that this is intentionally not seg.prev.item
 
-    // Note that this is intentionally not seg.prev.item
     var prev = path.segs[index - 1].item;
-
     var segItems = [prev, item];
 
     for (var i = 1; i < 3; i++) {
       var id = index + 'c' + i;
-
       var ctrlLine = cpt['c' + i + '_line'] = getCtrlLine(id);
-
-      var pt = getGripPt(seg, { x: item['x' + i], y: item['y' + i] });
-      var gpt = getGripPt(seg, { x: segItems[i - 1].x, y: segItems[i - 1].y });
-
+      var pt = getGripPt(seg, {
+        x: item['x' + i],
+        y: item['y' + i]
+      });
+      var gpt = getGripPt(seg, {
+        x: segItems[i - 1].x,
+        y: segItems[i - 1].y
+      });
       assignAttributes(ctrlLine, {
         x1: pt.x,
         y1: pt.y,
@@ -4775,12 +5379,9 @@
         y2: gpt.y,
         display: 'inline'
       });
+      cpt['c' + i + '_line'] = ctrlLine; // create it
 
-      cpt['c' + i + '_line'] = ctrlLine;
-
-      // create it
       var pointGrip = cpt['c' + i] = addCtrlGrip(id);
-
       assignAttributes(pointGrip, {
         cx: pt.x,
         cy: pt.y,
@@ -4788,9 +5389,9 @@
       });
       cpt['c' + i] = pointGrip;
     }
+
     return cpt;
   };
-
   /**
   * This replaces the segment at the given index. Type is given as number.
   * @function module:path.replacePathSeg
@@ -4799,9 +5400,9 @@
   * @param {ArgumentsArray} pts
   * @param {SVGPathElement} elem
   */
+
   var replacePathSeg = function replacePathSeg(type, index, pts, elem) {
     var pth = elem || path.elem;
-
     var func = 'createSVGPathSeg' + pathFuncs[type];
     var seg = pth[func].apply(pth, pts);
 
@@ -4811,11 +5412,14 @@
       var segList = pth.pathSegList;
       var len = segList.numberOfItems;
       var arr = [];
+
       for (var i = 0; i < len; i++) {
         var curSeg = segList.getItem(i);
         arr.push(curSeg);
       }
+
       segList.clear();
+
       for (var _i2 = 0; _i2 < len; _i2++) {
         if (_i2 === index) {
           segList.appendItem(seg);
@@ -4825,20 +5429,20 @@
       }
     }
   };
-
   /**
   * @function module:path.getSegSelector
   * @param {Segment} seg
   * @param {boolean} update
   * @returns {SVGPathElement}
   */
+
   var getSegSelector = function getSegSelector(seg, update) {
     var index = seg.index;
-
     var segLine = getElem('segline_' + index);
+
     if (!segLine) {
-      var pointGripContainer = getGripContainer();
-      // create segline
+      var pointGripContainer = getGripContainer(); // create segline
+
       segLine = document.createElementNS(NS.SVG, 'path');
       assignAttributes(segLine, {
         id: 'segline_' + index,
@@ -4860,22 +5464,26 @@
         return segLine;
       }
 
-      var pt = getGripPt(prev);
-      // Set start point
-      replacePathSeg(2, 0, [pt.x, pt.y], segLine);
+      var pt = getGripPt(prev); // Set start point
 
+      replacePathSeg(2, 0, [pt.x, pt.y], segLine);
       var pts = ptObjToArr(seg.type, seg.item); // , true);
+
       for (var i = 0; i < pts.length; i += 2) {
-        var _pt = getGripPt(seg, { x: pts[i], y: pts[i + 1] });
+        var _pt = getGripPt(seg, {
+          x: pts[i],
+          y: pts[i + 1]
+        });
+
         pts[i] = _pt.x;
         pts[i + 1] = _pt.y;
       }
 
       replacePathSeg(seg.type, 1, pts, segLine);
     }
+
     return segLine;
   };
-
   /**
    * @typedef {PlainObject} Point
    * @property {Integer} x The x value
@@ -4890,6 +5498,7 @@
   * @param {Point} pt - Object with x and y values (third point)
   * @returns {Point[]} Array of two "smoothed" point objects
   */
+
   var smoothControlPoints = function smoothControlPoints(ct1, ct2, pt) {
     // each point must not be the origin
     var x1 = ct1.x - pt.x,
@@ -4904,67 +5513,68 @@
           nct2 = editorContext_.getSVGRoot().createSVGPoint();
       var anglea = Math.atan2(y1, x1),
           angleb = Math.atan2(y2, x2);
+
       if (anglea < 0) {
         anglea += 2 * Math.PI;
       }
+
       if (angleb < 0) {
         angleb += 2 * Math.PI;
       }
 
       var angleBetween = Math.abs(anglea - angleb),
           angleDiff = Math.abs(Math.PI - angleBetween) / 2;
+      var newAnglea, newAngleb;
 
-      var newAnglea = void 0,
-          newAngleb = void 0;
       if (anglea - angleb > 0) {
         newAnglea = angleBetween < Math.PI ? anglea + angleDiff : anglea - angleDiff;
         newAngleb = angleBetween < Math.PI ? angleb - angleDiff : angleb + angleDiff;
       } else {
         newAnglea = angleBetween < Math.PI ? anglea - angleDiff : anglea + angleDiff;
         newAngleb = angleBetween < Math.PI ? angleb + angleDiff : angleb - angleDiff;
-      }
+      } // rotate the points
+
 
-      // rotate the points
       nct1.x = r1 * Math.cos(newAnglea) + pt.x;
       nct1.y = r1 * Math.sin(newAnglea) + pt.y;
       nct2.x = r2 * Math.cos(newAngleb) + pt.x;
       nct2.y = r2 * Math.sin(newAngleb) + pt.y;
-
       return [nct1, nct2];
     }
+
     return undefined;
   };
-
   /**
   *
   */
-  var Segment = function () {
+
+  var Segment =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {Integer} index
     * @param {SVGPathSeg} item
     * @todo Is `item` be more constrained here?
     */
     function Segment(index, item) {
-      classCallCheck(this, Segment);
+      _classCallCheck(this, Segment);
 
       this.selected = false;
       this.index = index;
       this.item = item;
       this.type = item.pathSegType;
-
       this.ctrlpts = [];
       this.ptgrip = null;
       this.segsel = null;
     }
-
     /**
      * @param {boolean} y
      * @returns {undefined}
      */
 
 
-    createClass(Segment, [{
-      key: 'showCtrlPts',
+    _createClass(Segment, [{
+      key: "showCtrlPts",
       value: function showCtrlPts(y) {
         for (var i in this.ctrlpts) {
           if (this.ctrlpts.hasOwnProperty(i)) {
@@ -4972,71 +5582,69 @@
           }
         }
       }
-
       /**
        * @param {boolean} y
        * @returns {undefined}
        */
 
     }, {
-      key: 'selectCtrls',
+      key: "selectCtrls",
       value: function selectCtrls(y) {
         $$1('#ctrlpointgrip_' + this.index + 'c1, #ctrlpointgrip_' + this.index + 'c2').attr('fill', y ? '#0FF' : '#EEE');
       }
-
       /**
        * @param {boolean} y
        * @returns {undefined}
        */
 
     }, {
-      key: 'show',
+      key: "show",
       value: function show(y) {
         if (this.ptgrip) {
           this.ptgrip.setAttribute('display', y ? 'inline' : 'none');
-          this.segsel.setAttribute('display', y ? 'inline' : 'none');
-          // Show/hide all control points if available
+          this.segsel.setAttribute('display', y ? 'inline' : 'none'); // Show/hide all control points if available
+
           this.showCtrlPts(y);
         }
       }
-
       /**
        * @param {boolean} y
        * @returns {undefined}
        */
 
     }, {
-      key: 'select',
+      key: "select",
       value: function select(y) {
         if (this.ptgrip) {
           this.ptgrip.setAttribute('stroke', y ? '#0FF' : '#00F');
           this.segsel.setAttribute('display', y ? 'inline' : 'none');
+
           if (this.ctrlpts) {
             this.selectCtrls(y);
           }
+
           this.selected = y;
         }
       }
-
       /**
        * @returns {undefined}
        */
 
     }, {
-      key: 'addGrip',
+      key: "addGrip",
       value: function addGrip() {
         this.ptgrip = getPointGrip(this, true);
         this.ctrlpts = getControlPoints(this); // , true);
+
         this.segsel = getSegSelector(this, true);
       }
-
       /**
        * @param {boolean} full
        * @returns {undefined}
        */
 
     }, {
-      key: 'update',
+      key: "update",
       value: function update(full) {
         if (this.ptgrip) {
           var pt = getGripPt(this);
@@ -5044,7 +5652,6 @@
             cx: pt.x,
             cy: pt.y
           });
-
           getSegSelector(this, true);
 
           if (this.ctrlpts) {
@@ -5052,12 +5659,12 @@
               this.item = path.elem.pathSegList.getItem(this.index);
               this.type = this.item.pathSegType;
             }
+
             getControlPoints(this);
-          }
-          // this.segsel.setAttribute('display', y ? 'inline' : 'none');
+          } // this.segsel.setAttribute('display', y ? 'inline' : 'none');
+
         }
       }
-
       /**
        * @param {Integer} dx
        * @param {Integer} dy
@@ -5065,13 +5672,10 @@
        */
 
     }, {
-      key: 'move',
+      key: "move",
       value: function move(dx, dy) {
         var item = this.item;
-
-
         var curPts = this.ctrlpts ? [item.x += dx, item.y += dy, item.x1, item.y1, item.x2 += dx, item.y2 += dy] : [item.x += dx, item.y += dy];
-
         replacePathSeg(this.type, this.index, curPts);
 
         if (this.next && this.next.ctrlpts) {
@@ -5084,57 +5688,54 @@
           // The last point of a closed subpath has a 'mate',
           // which is the 'M' segment of the subpath
           var _item = this.mate.item;
-
           var pts = [_item.x += dx, _item.y += dy];
-          replacePathSeg(this.mate.type, this.mate.index, pts);
-          // Has no grip, so does not need 'updating'?
+          replacePathSeg(this.mate.type, this.mate.index, pts); // Has no grip, so does not need 'updating'?
         }
 
         this.update(true);
+
         if (this.next) {
           this.next.update(true);
         }
       }
-
       /**
        * @param {Integer} num
        * @returns {undefined}
        */
 
     }, {
-      key: 'setLinked',
+      key: "setLinked",
       value: function setLinked(num) {
-        var seg = void 0,
-            anum = void 0,
-            pt = void 0;
+        var seg, anum, pt;
+
         if (num === 2) {
           anum = 1;
           seg = this.next;
+
           if (!seg) {
             return;
           }
+
           pt = this.item;
         } else {
           anum = 2;
           seg = this.prev;
+
           if (!seg) {
             return;
           }
+
           pt = seg.item;
         }
 
         var _seg = seg,
             item = _seg.item;
-
         item['x' + anum] = pt.x + (pt.x - this.item['x' + num]);
         item['y' + anum] = pt.y + (pt.y - this.item['y' + num]);
-
         var pts = [item.x, item.y, item.x1, item.y1, item.x2, item.y2];
-
         replacePathSeg(seg.type, seg.index, pts);
         seg.update(true);
       }
-
       /**
        * @param {Integer} num
        * @param {Integer} dx
@@ -5143,26 +5744,22 @@
        */
 
     }, {
-      key: 'moveCtrl',
+      key: "moveCtrl",
       value: function moveCtrl(num, dx, dy) {
         var item = this.item;
-
         item['x' + num] += dx;
         item['y' + num] += dy;
-
         var pts = [item.x, item.y, item.x1, item.y1, item.x2, item.y2];
-
         replacePathSeg(this.type, this.index, pts);
         this.update(true);
       }
-
       /**
        * @param {Integer} newType Possible values set during {@link module:path.init}
        * @param {ArgumentsArray} pts
        */
 
     }, {
-      key: 'setType',
+      key: "setType",
       value: function setType(newType, pts) {
         replacePathSeg(newType, this.index, pts);
         this.type = newType;
@@ -5172,19 +5769,22 @@
         this.update(true);
       }
     }]);
+
     return Segment;
   }();
-
   /**
   *
   */
-  var Path = function () {
+
+  var Path =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {SVGPathElement}
     * @throws {Error} If constructed without a path element
     */
     function Path(elem) {
-      classCallCheck(this, Path);
+      _classCallCheck(this, Path);
 
       if (!elem || elem.tagName !== 'path') {
         throw new Error('svgedit.path.Path constructed without a <path> element');
@@ -5194,33 +5794,28 @@
       this.segs = [];
       this.selected_pts = [];
       path = this;
-
       this.init();
     }
-
     /**
     * Reset path data
     * @returns {module:path.Path}
     */
 
 
-    createClass(Path, [{
-      key: 'init',
+    _createClass(Path, [{
+      key: "init",
       value: function init$$1() {
         // Hide all grips, etc
-
         // fixed, needed to work on all found elements, not just first
         $$1(getGripContainer()).find('*').each(function () {
           $$1(this).attr('display', 'none');
         });
-
         var segList = this.elem.pathSegList;
         var len = segList.numberOfItems;
         this.segs = [];
         this.selected_pts = [];
-        this.first_seg = null;
+        this.first_seg = null; // Set up segs array
 
-        // Set up segs array
         for (var i = 0; i < len; i++) {
           var item = segList.getItem(i);
           var segment = new Segment(i, item);
@@ -5229,13 +5824,13 @@
         }
 
         var segs = this.segs;
-
-
         var startI = null;
+
         for (var _i3 = 0; _i3 < len; _i3++) {
           var seg = segs[_i3];
           var nextSeg = _i3 + 1 >= len ? null : segs[_i3 + 1];
           var prevSeg = _i3 - 1 < 0 ? null : segs[_i3 - 1];
+
           if (seg.type === 2) {
             if (prevSeg && prevSeg.type !== 1) {
               // New sub-path, last one is open,
@@ -5244,18 +5839,19 @@
               startSeg.next = segs[startI + 1];
               startSeg.next.prev = startSeg;
               startSeg.addGrip();
-            }
-            // Remember that this is a starter seg
+            } // Remember that this is a starter seg
+
+
             startI = _i3;
           } else if (nextSeg && nextSeg.type === 1) {
             // This is the last real segment of a closed sub-path
             // Next is first seg after "M"
-            seg.next = segs[startI + 1];
+            seg.next = segs[startI + 1]; // First seg after "M"'s prev is this
 
-            // First seg after "M"'s prev is this
             seg.next.prev = seg;
             seg.mate = segs[startI];
             seg.addGrip();
+
             if (this.first_seg == null) {
               this.first_seg = seg;
             }
@@ -5266,7 +5862,9 @@
               var _startSeg = segs[startI];
               _startSeg.next = segs[startI + 1];
               _startSeg.next.prev = _startSeg;
+
               _startSeg.addGrip();
+
               seg.addGrip();
 
               if (!this.first_seg) {
@@ -5276,60 +5874,60 @@
             }
           } else if (seg.type !== 1) {
             // Regular segment, so add grip and its "next"
-            seg.addGrip();
+            seg.addGrip(); // Don't set its "next" if it's an "M"
 
-            // Don't set its "next" if it's an "M"
             if (nextSeg && nextSeg.type !== 2) {
               seg.next = nextSeg;
               seg.next.prev = seg;
             }
           }
         }
+
         return this;
       }
-
       /**
       * @callback module:path.PathEachSegCallback
       * @this module:path.Segment
       * @param {Integer} i The index of the seg being iterated
       * @returns {boolean} Will stop execution of `eachSeg` if returns `false`
       */
+
       /**
       * @param {module:path.PathEachSegCallback} fn
       * @returns {undefined}
       */
 
     }, {
-      key: 'eachSeg',
+      key: "eachSeg",
       value: function eachSeg(fn) {
         var len = this.segs.length;
+
         for (var i = 0; i < len; i++) {
           var ret = fn.call(this.segs[i], i);
+
           if (ret === false) {
             break;
           }
         }
       }
-
       /**
       * @param {Integer} index
       * @returns {undefined}
       */
 
     }, {
-      key: 'addSeg',
+      key: "addSeg",
       value: function addSeg(index) {
         // Adds a new segment
         var seg = this.segs[index];
+
         if (!seg.prev) {
           return;
         }
 
         var prev = seg.prev;
+        var newseg, newX, newY;
 
-        var newseg = void 0,
-            newX = void 0,
-            newY = void 0;
         switch (seg.item.pathSegType) {
           case 4:
             {
@@ -5337,7 +5935,9 @@
               newY = (seg.item.y + prev.item.y) / 2;
               newseg = this.elem.createSVGPathSegLinetoAbs(newX, newY);
               break;
-            }case 6:
+            }
+
+          case 6:
             {
               // make it a curved segment to preserve the shape (WRS)
               // https://en.wikipedia.org/wiki/De_Casteljau%27s_algorithm#Geometric_interpretation
@@ -5362,29 +5962,25 @@
 
         insertItemBefore(this.elem, newseg, index);
       }
-
       /**
       * @param {Integer} index
       * @returns {undefined}
       */
 
     }, {
-      key: 'deleteSeg',
+      key: "deleteSeg",
       value: function deleteSeg(index) {
         var seg = this.segs[index];
         var list = this.elem.pathSegList;
-
         seg.show(false);
         var next = seg.next;
 
         if (seg.mate) {
           // Make the next point be the "M" point
           var pt = [next.item.x, next.item.y];
-          replacePathSeg(2, next.index, pt);
+          replacePathSeg(2, next.index, pt); // Reposition last node
 
-          // Reposition last node
           replacePathSeg(4, seg.index, pt);
-
           list.removeItem(seg.mate.index);
         } else if (!seg.prev) {
           // First node of open path, make next point the M
@@ -5396,57 +5992,57 @@
           list.removeItem(index);
         }
       }
-
       /**
       * @param {Integer} index
       * @returns {boolean}
       */
 
     }, {
-      key: 'subpathIsClosed',
+      key: "subpathIsClosed",
       value: function subpathIsClosed(index) {
-        var closed = false;
-        // Check if subpath is already open
+        var closed = false; // Check if subpath is already open
+
         path.eachSeg(function (i) {
           if (i <= index) {
             return true;
           }
+
           if (this.type === 2) {
             // Found M first, so open
             return false;
           }
+
           if (this.type === 1) {
             // Found Z first, so closed
             closed = true;
             return false;
           }
         });
-
         return closed;
       }
-
       /**
       * @param {Integer} index
       * @returns {undefined}
       */
 
     }, {
-      key: 'removePtFromSelection',
+      key: "removePtFromSelection",
       value: function removePtFromSelection(index) {
         var pos = this.selected_pts.indexOf(index);
+
         if (pos === -1) {
           return;
         }
+
         this.segs[index].select(false);
         this.selected_pts.splice(pos, 1);
       }
-
       /**
       * @returns {undefined}
       */
 
     }, {
-      key: 'clearSelection',
+      key: "clearSelection",
       value: function clearSelection() {
         this.eachSeg(function () {
           // 'this' is the segment here
@@ -5454,36 +6050,35 @@
         });
         this.selected_pts = [];
       }
-
       /**
       * @returns {undefined}
       */
 
     }, {
-      key: 'storeD',
+      key: "storeD",
       value: function storeD() {
         this.last_d = this.elem.getAttribute('d');
       }
-
       /**
       * @param {Integer} y
       * @returns {undefined}
       */
 
     }, {
-      key: 'show',
+      key: "show",
       value: function show(y) {
         // Shows this path's segment grips
         this.eachSeg(function () {
           // 'this' is the segment here
           this.show(y);
         });
+
         if (y) {
           this.selectPt(this.first_seg.index);
         }
+
         return this;
       }
-
       /**
       * Move selected points
       * @param {Integer} dx
@@ -5492,15 +6087,15 @@
       */
 
     }, {
-      key: 'movePts',
+      key: "movePts",
       value: function movePts(dx, dy) {
         var i = this.selected_pts.length;
+
         while (i--) {
           var seg = this.segs[this.selected_pts[i]];
           seg.move(dx, dy);
         }
       }
-
       /**
       * @param {Integer} dx
       * @param {Integer} dy
@@ -5508,30 +6103,30 @@
       */
 
     }, {
-      key: 'moveCtrl',
+      key: "moveCtrl",
       value: function moveCtrl(dx, dy) {
         var seg = this.segs[this.selected_pts[0]];
         seg.moveCtrl(this.dragctrl, dx, dy);
+
         if (linkControlPts) {
           seg.setLinked(this.dragctrl);
         }
       }
-
       /**
       * @param {?Integer} newType See {@link https://www.w3.org/TR/SVG/single-page.html#paths-InterfaceSVGPathSeg}
       * @returns {undefined}
       */
 
     }, {
-      key: 'setSegType',
+      key: "setSegType",
       value: function setSegType(newType) {
         this.storeD();
         var i = this.selected_pts.length;
-        var text = void 0;
-        while (i--) {
-          var selPt = this.selected_pts[i];
+        var text;
+
+        while (i--) {
+          var selPt = this.selected_pts[i]; // Selected seg
 
-          // Selected seg
           var cur = this.segs[selPt];
           var prev = cur.prev;
 
@@ -5541,21 +6136,19 @@
 
           if (!newType) {
             // double-click, so just toggle
-            text = 'Toggle Path Segment Type';
+            text = 'Toggle Path Segment Type'; // Toggle segment to curve/straight line
 
-            // Toggle segment to curve/straight line
             var oldType = cur.type;
-
             newType = oldType === 6 ? 4 : 6;
           }
 
           newType = Number(newType);
-
           var curX = cur.item.x;
           var curY = cur.item.y;
           var prevX = prev.item.x;
           var prevY = prev.item.y;
           var points = void 0;
+
           switch (newType) {
             case 6:
               {
@@ -5564,8 +6157,8 @@
                   points = [curX, curY, old.x1, old.y1, old.x2, old.y2];
                 } else {
                   var diffX = curX - prevX;
-                  var diffY = curY - prevY;
-                  // get control points from straight line segment
+                  var diffY = curY - prevY; // get control points from straight line segment
+
                   /*
                   const ct1x = (prevX + (diffY/2));
                   const ct1y = (prevY - (diffX/2));
@@ -5573,18 +6166,21 @@
                   const ct2y = (curY - (diffX/2));
                   */
                   // create control points on the line to preserve the shape (WRS)
+
                   var ct1x = prevX + diffX / 3;
                   var ct1y = prevY + diffY / 3;
                   var ct2x = curX - diffX / 3;
                   var ct2y = curY - diffY / 3;
                   points = [curX, curY, ct1x, ct1y, ct2x, ct2y];
                 }
-                break;
-              }case 4:
-              {
-                points = [curX, curY];
 
-                // Store original prevve segment nums
+                break;
+              }
+
+            case 4:
+              {
+                points = [curX, curY]; // Store original prevve segment nums
+
                 cur.olditem = cur.item;
                 break;
               }
@@ -5592,9 +6188,9 @@
 
           cur.setType(newType, points);
         }
+
         path.endChanges(text);
       }
-
       /**
       * @param {Integer} pt
       * @param {Integer} ctrlNum
@@ -5602,9 +6198,10 @@
       */
 
     }, {
-      key: 'selectPt',
+      key: "selectPt",
       value: function selectPt(pt, ctrlNum) {
         this.clearSelection();
+
         if (pt == null) {
           this.eachSeg(function (i) {
             // 'this' is the segment here.
@@ -5613,7 +6210,9 @@
             }
           });
         }
+
         this.addPtsToSelection(pt);
+
         if (ctrlNum) {
           this.dragctrl = ctrlNum;
 
@@ -5622,14 +6221,13 @@
           }
         }
       }
-
       /**
       * Update position of all points
       * @returns {Path}
       */
 
     }, {
-      key: 'update',
+      key: "update",
       value: function update() {
         var elem = this.elem;
 
@@ -5645,119 +6243,123 @@
           this.item = elem.pathSegList.getItem(i);
           this.update();
         });
-
         return this;
       }
-
       /**
       * @param {string} text
       * @returns {undefined}
       */
 
     }, {
-      key: 'endChanges',
+      key: "endChanges",
       value: function endChanges(text) {
         if (isWebkit()) {
           editorContext_.resetD(this.elem);
         }
-        var cmd = new ChangeElementCommand(this.elem, { d: this.last_d }, text);
-        editorContext_.endChanges({ cmd: cmd, elem: this.elem });
-      }
 
+        var cmd = new ChangeElementCommand(this.elem, {
+          d: this.last_d
+        }, text);
+        editorContext_.endChanges({
+          cmd: cmd,
+          elem: this.elem
+        });
+      }
       /**
       * @param {Integer|Integer[]} indexes
       * @returns {undefined}
       */
 
     }, {
-      key: 'addPtsToSelection',
+      key: "addPtsToSelection",
       value: function addPtsToSelection(indexes) {
         if (!Array.isArray(indexes)) {
           indexes = [indexes];
         }
+
         for (var _i4 = 0; _i4 < indexes.length; _i4++) {
           var index = indexes[_i4];
           var seg = this.segs[index];
+
           if (seg.ptgrip) {
             if (!this.selected_pts.includes(index) && index >= 0) {
               this.selected_pts.push(index);
             }
           }
         }
+
         this.selected_pts.sort();
         var i = this.selected_pts.length;
         var grips = [];
-        grips.length = i;
-        // Loop through points to be selected and highlight each
+        grips.length = i; // Loop through points to be selected and highlight each
+
         while (i--) {
           var pt = this.selected_pts[i];
           var _seg2 = this.segs[pt];
+
           _seg2.select(true);
+
           grips[i] = _seg2.ptgrip;
         }
 
         var closedSubpath = this.subpathIsClosed(this.selected_pts[0]);
-        editorContext_.addPtsToSelection({ grips: grips, closedSubpath: closedSubpath });
+        editorContext_.addPtsToSelection({
+          grips: grips,
+          closedSubpath: closedSubpath
+        });
       }
     }]);
+
     return Path;
   }();
-
   /**
   * @function module:path.getPath_
   * @param {SVGPathElement} elem
   * @returns {module:path.Path}
   */
+
   var getPath_ = function getPath_(elem) {
     var p = pathData[elem.id];
+
     if (!p) {
       p = pathData[elem.id] = new Path(elem);
     }
+
     return p;
   };
-
   /**
   * @function module:path.removePath_
   * @param {string} id
   * @returns {undefined}
   */
+
   var removePath_ = function removePath_(id) {
     if (id in pathData) {
       delete pathData[id];
     }
   };
-
-  var newcx = void 0,
-      newcy = void 0,
-      oldcx = void 0,
-      oldcy = void 0,
-      angle = void 0;
+  var newcx, newcy, oldcx, oldcy, angle;
 
   var getRotVals = function getRotVals(x, y) {
     var dx = x - oldcx;
-    var dy = y - oldcy;
+    var dy = y - oldcy; // rotate the point around the old center
 
-    // rotate the point around the old center
     var r = Math.sqrt(dx * dx + dy * dy);
     var theta = Math.atan2(dy, dx) + angle;
     dx = r * Math.cos(theta) + oldcx;
-    dy = r * Math.sin(theta) + oldcy;
-
-    // dx,dy should now hold the actual coordinates of each
+    dy = r * Math.sin(theta) + oldcy; // dx,dy should now hold the actual coordinates of each
     // point after being rotated
-
     // now we want to rotate them around the new center in the reverse direction
+
     dx -= newcx;
     dy -= newcy;
-
     r = Math.sqrt(dx * dx + dy * dy);
     theta = Math.atan2(dy, dx) - angle;
-
-    return { x: r * Math.cos(theta) + newcx,
-      y: r * Math.sin(theta) + newcy };
-  };
-
-  // If the path was rotated, we must now pay the piper:
+    return {
+      x: r * Math.cos(theta) + newcx,
+      y: r * Math.sin(theta) + newcy
+    };
+  }; // If the path was rotated, we must now pay the piper:
   // Every path point must be rotated into the rotated coordinate system of
   // its old center, then determine the new center, then rotate it back
   // This is because we want the path to remember its rotation
@@ -5768,113 +6370,116 @@
   * be optimized or even taken care of by `recalculateDimensions`
   * @returns {undefined}
   */
+
+
   var recalcRotatedPath = function recalcRotatedPath() {
     var currentPath = path.elem;
     angle = getRotationAngle(currentPath, true);
+
     if (!angle) {
       return;
-    }
-    // selectedBBoxes[0] = path.oldbbox;
+    } // selectedBBoxes[0] = path.oldbbox;
+
+
     var oldbox = path.oldbbox; // selectedBBoxes[0],
+
     oldcx = oldbox.x + oldbox.width / 2;
     oldcy = oldbox.y + oldbox.height / 2;
     var box = getBBox(currentPath);
     newcx = box.x + box.width / 2;
-    newcy = box.y + box.height / 2;
+    newcy = box.y + box.height / 2; // un-rotate the new center to the proper position
 
-    // un-rotate the new center to the proper position
     var dx = newcx - oldcx,
         dy = newcy - oldcy,
         r = Math.sqrt(dx * dx + dy * dy),
         theta = Math.atan2(dy, dx) + angle;
-
     newcx = r * Math.cos(theta) + oldcx;
     newcy = r * Math.sin(theta) + oldcy;
-
     var list = currentPath.pathSegList;
-
     var i = list.numberOfItems;
+
     while (i) {
       i -= 1;
       var seg = list.getItem(i),
           type = seg.pathSegType;
+
       if (type === 1) {
         continue;
       }
 
       var rvals = getRotVals(seg.x, seg.y),
           points = [rvals.x, rvals.y];
+
       if (seg.x1 != null && seg.x2 != null) {
         var cVals1 = getRotVals(seg.x1, seg.y1);
         var cVals2 = getRotVals(seg.x2, seg.y2);
         points.splice(points.length, 0, cVals1.x, cVals1.y, cVals2.x, cVals2.y);
       }
+
       replacePathSeg(type, i, points);
     } // loop for each point
 
-    /* box = */getBBox(currentPath);
-    // selectedBBoxes[0].x = box.x; selectedBBoxes[0].y = box.y;
-    // selectedBBoxes[0].width = box.width; selectedBBoxes[0].height = box.height;
+    /* box = */
 
+
+    getBBox(currentPath); // selectedBBoxes[0].x = box.x; selectedBBoxes[0].y = box.y;
+    // selectedBBoxes[0].width = box.width; selectedBBoxes[0].height = box.height;
     // now we must set the new transform to be rotated around the new center
+
     var Rnc = editorContext_.getSVGRoot().createSVGTransform(),
         tlist = getTransformList(currentPath);
     Rnc.setRotate(angle * 180.0 / Math.PI, newcx, newcy);
     tlist.replaceItem(Rnc, 0);
-  };
-
-  // ====================================
+  }; // ====================================
   // Public API starts here
 
   /**
   * @function module:path.clearData
   * @returns {undefined}
   */
+
   var clearData = function clearData() {
     pathData = {};
-  };
+  }; // Making public for mocking
 
-  // Making public for mocking
   /**
   * @function module:path.reorientGrads
   * @param {Element} elem
   * @param {SVGMatrix} m
   * @returns {undefined}
   */
+
   var reorientGrads = function reorientGrads(elem, m) {
     var bb = getBBox(elem);
+
     for (var i = 0; i < 2; i++) {
       var type = i === 0 ? 'fill' : 'stroke';
       var attrVal = elem.getAttribute(type);
+
       if (attrVal && attrVal.startsWith('url(')) {
         var grad = getRefElem(attrVal);
+
         if (grad.tagName === 'linearGradient') {
           var x1 = grad.getAttribute('x1') || 0;
           var y1 = grad.getAttribute('y1') || 0;
           var x2 = grad.getAttribute('x2') || 1;
-          var y2 = grad.getAttribute('y2') || 0;
+          var y2 = grad.getAttribute('y2') || 0; // Convert to USOU points
 
-          // Convert to USOU points
           x1 = bb.width * x1 + bb.x;
           y1 = bb.height * y1 + bb.y;
           x2 = bb.width * x2 + bb.x;
-          y2 = bb.height * y2 + bb.y;
+          y2 = bb.height * y2 + bb.y; // Transform those points
 
-          // Transform those points
           var pt1 = transformPoint(x1, y1, m);
-          var pt2 = transformPoint(x2, y2, m);
+          var pt2 = transformPoint(x2, y2, m); // Convert back to BB points
 
-          // Convert back to BB points
           var gCoords = {};
-
           gCoords.x1 = (pt1.x - bb.x) / bb.width;
           gCoords.y1 = (pt1.y - bb.y) / bb.height;
           gCoords.x2 = (pt2.x - bb.x) / bb.width;
           gCoords.y2 = (pt2.y - bb.y) / bb.height;
-
           var newgrad = grad.cloneNode(true);
           $$1(newgrad).attr(gCoords);
-
           newgrad.id = editorContext_.getNextId();
           findDefs().append(newgrad);
           elem.setAttribute(type, 'url(#' + newgrad.id + ')');
@@ -5882,14 +6487,13 @@
       }
     }
   };
-
   /**
   * This is how we map paths to our preferred relative segment types
   * @name module:path.pathMap
   * @type {GenericArray}
   */
-  var pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a', 'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];
 
+  var pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a', 'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];
   /**
    * Convert a path to one with only absolute or relative values
    * @todo move to pathActions.js
@@ -5898,6 +6502,7 @@
    * @param {boolean} toRel - true of convert to relative
    * @returns {string}
    */
+
   var convertPath = function convertPath(path, toRel) {
     var segList = path.pathSegList;
     var len = segList.numberOfItems;
@@ -5907,15 +6512,14 @@
     var lastM = null;
 
     for (var i = 0; i < len; ++i) {
-      var seg = segList.getItem(i);
-      // if these properties are not in the segment, set them to zero
+      var seg = segList.getItem(i); // if these properties are not in the segment, set them to zero
+
       var x = seg.x || 0,
           y = seg.y || 0,
           x1 = seg.x1 || 0,
           y1 = seg.y1 || 0,
           x2 = seg.x2 || 0,
           y2 = seg.y2 || 0;
-
       var type = seg.pathSegType;
       var letter = pathMap[type]['to' + (toRel ? 'Lower' : 'Upper') + 'Case']();
 
@@ -5923,15 +6527,19 @@
         case 1:
           // z,Z closepath (Z/z)
           d += 'z';
+
           if (lastM && !toRel) {
             curx = lastM[0];
             cury = lastM[1];
           }
+
           break;
+
         case 12:
           // absolute horizontal line (H)
           x -= curx;
         // Fallthrough
+
         case 13:
           // relative horizontal line (h)
           if (toRel) {
@@ -5941,14 +6549,17 @@
             x += curx;
             curx = x;
             letter = 'L';
-          }
-          // Convert to "line" for easier editing
+          } // Convert to "line" for easier editing
+
+
           d += pathDSegment(letter, [[x, cury]]);
           break;
+
         case 14:
           // absolute vertical line (V)
           y -= cury;
         // Fallthrough
+
         case 15:
           // relative vertical line (v)
           if (toRel) {
@@ -5958,19 +6569,26 @@
             y += cury;
             cury = y;
             letter = 'L';
-          }
-          // Convert to "line" for easier editing
+          } // Convert to "line" for easier editing
+
+
           d += pathDSegment(letter, [[curx, y]]);
           break;
+
         case 2: // absolute move (M)
+
         case 4: // absolute line (L)
+
         case 18:
           // absolute smooth quad (T)
           x -= curx;
           y -= cury;
         // Fallthrough
+
         case 5: // relative line (l)
+
         case 3: // relative move (m)
+
         case 19:
           // relative smooth quad (t)
           if (toRel) {
@@ -5982,53 +6600,74 @@
             curx = x;
             cury = y;
           }
+
           if (type === 2 || type === 3) {
             lastM = [curx, cury];
           }
 
           d += pathDSegment(letter, [[x, y]]);
           break;
+
         case 6:
           // absolute cubic (C)
-          x -= curx;x1 -= curx;x2 -= curx;
-          y -= cury;y1 -= cury;y2 -= cury;
+          x -= curx;
+          x1 -= curx;
+          x2 -= curx;
+          y -= cury;
+          y1 -= cury;
+          y2 -= cury;
         // Fallthrough
+
         case 7:
           // relative cubic (c)
           if (toRel) {
             curx += x;
             cury += y;
           } else {
-            x += curx;x1 += curx;x2 += curx;
-            y += cury;y1 += cury;y2 += cury;
+            x += curx;
+            x1 += curx;
+            x2 += curx;
+            y += cury;
+            y1 += cury;
+            y2 += cury;
             curx = x;
             cury = y;
           }
+
           d += pathDSegment(letter, [[x1, y1], [x2, y2], [x, y]]);
           break;
+
         case 8:
           // absolute quad (Q)
-          x -= curx;x1 -= curx;
-          y -= cury;y1 -= cury;
+          x -= curx;
+          x1 -= curx;
+          y -= cury;
+          y1 -= cury;
         // Fallthrough
+
         case 9:
           // relative quad (q)
           if (toRel) {
             curx += x;
             cury += y;
           } else {
-            x += curx;x1 += curx;
-            y += cury;y1 += cury;
+            x += curx;
+            x1 += curx;
+            y += cury;
+            y1 += cury;
             curx = x;
             cury = y;
           }
+
           d += pathDSegment(letter, [[x1, y1], [x, y]]);
           break;
+
         case 10:
           // absolute elliptical arc (A)
           x -= curx;
           y -= cury;
         // Fallthrough
+
         case 11:
           // relative elliptical arc (a)
           if (toRel) {
@@ -6040,31 +6679,41 @@
             curx = x;
             cury = y;
           }
+
           d += pathDSegment(letter, [[seg.r1, seg.r2]], [seg.angle, seg.largeArcFlag ? 1 : 0, seg.sweepFlag ? 1 : 0], [x, y]);
           break;
+
         case 16:
           // absolute smooth cubic (S)
-          x -= curx;x2 -= curx;
-          y -= cury;y2 -= cury;
+          x -= curx;
+          x2 -= curx;
+          y -= cury;
+          y2 -= cury;
         // Fallthrough
+
         case 17:
           // relative smooth cubic (s)
           if (toRel) {
             curx += x;
             cury += y;
           } else {
-            x += curx;x2 += curx;
-            y += cury;y2 += cury;
+            x += curx;
+            x2 += curx;
+            y += cury;
+            y2 += cury;
             curx = x;
             cury = y;
           }
+
           d += pathDSegment(letter, [[x2, y2], [x, y]]);
           break;
       } // switch on path segment type
+
     } // for each segment
+
+
     return d;
   };
-
   /**
    * TODO: refactor callers in convertPath to use getPathDFromSegments instead of this function.
    * Legacy code refactored from svgcanvas.pathActions.convertPath
@@ -6074,34 +6723,36 @@
    * @param {Integer[]} [lastPoint] - x,y point
    * @returns {string}
    */
+
   function pathDSegment(letter, points, morePoints, lastPoint) {
     $$1.each(points, function (i, pnt) {
       points[i] = shortFloat(pnt);
     });
     var segment = letter + points.join(' ');
+
     if (morePoints) {
       segment += ' ' + morePoints.join(' ');
     }
+
     if (lastPoint) {
       segment += ' ' + shortFloat(lastPoint);
     }
+
     return segment;
   }
-
   /**
   * Group: Path edit functions
   * Functions relating to editing path elements
   * @namespace {PlainObject} pathActions
   * @memberof module:path
   */
+
+
   var pathActions = function () {
     var subpath = false;
-    var newPoint = void 0,
-        firstCtrl = void 0;
-
+    var newPoint, firstCtrl;
     var currentPath = null;
-    var hasMoved = false;
-    // No `editorContext_` yet but should be ok as is `null` by default
+    var hasMoved = false; // No `editorContext_` yet but should be ok as is `null` by default
     // editorContext_.setDrawnPath(null);
 
     /**
@@ -6112,12 +6763,13 @@
     * @param {Element} element
     * @returns {Element}
     */
+
     var smoothPolylineIntoPath = function smoothPolylineIntoPath(element) {
-      var i = void 0;
+      var i;
       var _element = element,
           points = _element.points;
-
       var N = points.numberOfItems;
+
       if (N >= 4) {
         // loop through every 3 points and convert to a cubic bezier curve segment
         //
@@ -6136,15 +6788,16 @@
             prevCtlPt = null;
         var d = [];
         d.push(['M', curpos.x, ',', curpos.y, ' C'].join(''));
+
         for (i = 1; i <= N - 4; i += 3) {
           var ct1 = points.getItem(i);
           var ct2 = points.getItem(i + 1);
-          var end = points.getItem(i + 2);
-
-          // if the previous segment had a control point, we want to smooth out
+          var end = points.getItem(i + 2); // if the previous segment had a control point, we want to smooth out
           // the control points on both sides
+
           if (prevCtlPt) {
             var newpts = smoothControlPoints(prevCtlPt, ct1, curpos);
+
             if (newpts && newpts.length === 2) {
               var prevArr = d[d.length - 1].split(',');
               prevArr[2] = newpts[0].x;
@@ -6155,20 +6808,21 @@
           }
 
           d.push([ct1.x, ct1.y, ct2.x, ct2.y, end.x, end.y].join(','));
-
           curpos = end;
           prevCtlPt = ct2;
-        }
-        // handle remaining line segments
+        } // handle remaining line segments
+
+
         d.push('L');
+
         while (i < N) {
           var pt = points.getItem(i);
           d.push([pt.x, pt.y].join(','));
           i++;
         }
-        d = d.join(' ');
 
-        // create new path element
+        d = d.join(' '); // create new path element
+
         element = editorContext_.addSVGElementFromJson({
           element: 'path',
           curStyles: true,
@@ -6177,13 +6831,15 @@
             d: d,
             fill: 'none'
           }
-        });
-        // No need to call "changed", as this is already done under mouseUp
+        }); // No need to call "changed", as this is already done under mouseUp
       }
+
       return element;
     };
 
-    return (/** @lends module:path.pathActions */{
+    return (
+      /** @lends module:path.pathActions */
+      {
         /**
         * @param {MouseEvent} evt
         * @param {Element} mouseTarget
@@ -6192,9 +6848,11 @@
         * @returns {undefined}
         */
         mouseDown: function mouseDown(evt, mouseTarget, startX, startY) {
-          var id = void 0;
+          var id;
+
           if (editorContext_.getCurrentMode() === 'path') {
             var mouseX = startX; // Was this meant to work with the other `mouseX`? (was defined globally so adding `let` to at least avoid a global)
+
             var mouseY = startY; // Was this meant to work with the other `mouseY`? (was defined globally so adding `let` to at least avoid a global)
 
             var currentZoom = editorContext_.getCurrentZoom();
@@ -6220,15 +6878,19 @@
               });
               stretchy = getElem('selectorParentGroup').appendChild(stretchy);
             }
-            stretchy.setAttribute('display', 'inline');
 
+            stretchy.setAttribute('display', 'inline');
             var keep = null;
-            var index = void 0;
-            // if pts array is empty, create path element with M at current point
+            var index; // if pts array is empty, create path element with M at current point
+
             var drawnPath = editorContext_.getDrawnPath();
+
             if (!drawnPath) {
               var dAttr = 'M' + x + ',' + y + ' '; // Was this meant to work with the other `dAttr`? (was defined globally so adding `var` to at least avoid a global)
-              /* drawnPath = */editorContext_.setDrawnPath(editorContext_.addSVGElementFromJson({
+
+              /* drawnPath = */
+
+              editorContext_.setDrawnPath(editorContext_.addSVGElementFromJson({
                 element: 'path',
                 curStyles: true,
                 attr: {
@@ -6236,8 +6898,8 @@
                   id: editorContext_.getNextId(),
                   opacity: editorContext_.getOpacity() / 2
                 }
-              }));
-              // set stretchy line to first point
+              })); // set stretchy line to first point
+
               stretchy.setAttribute('d', ['M', mouseX, mouseY, mouseX, mouseY].join(' '));
               index = subpath ? path.segs.length : 0;
               addPointGrip(index, mouseX, mouseY);
@@ -6247,30 +6909,29 @@
               var i = seglist.numberOfItems;
               var FUZZ = 6 / currentZoom;
               var clickOnPoint = false;
+
               while (i) {
                 i--;
                 var item = seglist.getItem(i);
                 var px = item.x,
-                    py = item.y;
-                // found a matching point
+                    py = item.y; // found a matching point
+
                 if (x >= px - FUZZ && x <= px + FUZZ && y >= py - FUZZ && y <= py + FUZZ) {
                   clickOnPoint = true;
                   break;
                 }
-              }
+              } // get path element that we are in the process of creating
 
-              // get path element that we are in the process of creating
-              id = editorContext_.getId();
 
-              // Remove previous path object if previously created
+              id = editorContext_.getId(); // Remove previous path object if previously created
+
               removePath_(id);
-
               var newpath = getElem(id);
-              var newseg = void 0;
-              var sSeg = void 0;
-              var len = seglist.numberOfItems;
-              // if we clicked on an existing point, then we are done this path, commit it
+              var newseg;
+              var sSeg;
+              var len = seglist.numberOfItems; // if we clicked on an existing point, then we are done this path, commit it
               // (i, i+1) are the x,y that were clicked on
+
               if (clickOnPoint) {
                 // if clicked on any other point but the first OR
                 // the first point was clicked on and there are less than 3 points
@@ -6280,8 +6941,8 @@
                   // Create end segment
                   var absX = seglist.getItem(0).x;
                   var absY = seglist.getItem(0).y;
-
                   sSeg = stretchy.pathSegList.getItem(1);
+
                   if (sSeg.pathSegType === 4) {
                     newseg = drawnPath.createSVGPathSegLinetoAbs(absX, absY);
                   } else {
@@ -6295,11 +6956,13 @@
                   keep = false;
                   return keep;
                 }
-                $$1(stretchy).remove();
 
-                // This will signal to commit the path
+                $$1(stretchy).remove(); // This will signal to commit the path
                 // const element = newpath; // Other event handlers define own `element`, so this was probably not meant to interact with them or one which shares state (as there were none); I therefore adding a missing `var` to avoid a global
-                /* drawnPath = */editorContext_.setDrawnPath(null);
+
+                /* drawnPath = */
+
+                editorContext_.setDrawnPath(null);
                 editorContext_.setStarted(false);
 
                 if (subpath) {
@@ -6311,15 +6974,17 @@
                   var origD = $$1(path.elem).attr('d');
                   $$1(path.elem).attr('d', origD + newD);
                   $$1(newpath).remove();
+
                   if (path.matrix) {
                     recalcRotatedPath();
                   }
+
                   init$1();
                   pathActions.toEditMode(path.elem);
                   path.selectPt();
                   return false;
-                }
-                // else, create a new point, update path element
+                } // else, create a new point, update path element
+
               } else {
                 // Checks if current target or parents are #svgcontent
                 if (!$$1.contains(editorContext_.getContainer(), editorContext_.getMouseTarget(evt))) {
@@ -6337,10 +7002,11 @@
                   var xya = snapToAngle(lastx, lasty, x, y);
                   x = xya.x;
                   y = xya.y;
-                }
+                } // Use the segment defined by stretchy
+
 
-                // Use the segment defined by stretchy
                 sSeg = stretchy.pathSegList.getItem(1);
+
                 if (sSeg.pathSegType === 4) {
                   newseg = drawnPath.createSVGPathSegLinetoAbs(editorContext_.round(x), editorContext_.round(y));
                 } else {
@@ -6348,46 +7014,45 @@
                 }
 
                 drawnPath.pathSegList.appendItem(newseg);
-
                 x *= currentZoom;
-                y *= currentZoom;
+                y *= currentZoom; // set stretchy line to latest point
 
-                // set stretchy line to latest point
                 stretchy.setAttribute('d', ['M', x, y, x, y].join(' '));
                 index = num;
+
                 if (subpath) {
                   index += path.segs.length;
                 }
+
                 addPointGrip(index, x, y);
-              }
-              // keep = true;
+              } // keep = true;
+
             }
 
             return;
-          }
+          } // TODO: Make sure currentPath isn't null at this point
+
 
-          // TODO: Make sure currentPath isn't null at this point
           if (!path) {
             return;
           }
 
           path.storeD();
-
           id = evt.target.id;
+          var curPt;
 
-          var curPt = void 0;
           if (id.substr(0, 14) === 'pathpointgrip_') {
             // Select this point
             curPt = path.cur_pt = parseInt(id.substr(14), 10);
             path.dragging = [startX, startY];
-            var seg = path.segs[curPt];
-
-            // only clear selection if shift is not pressed (otherwise, add
+            var seg = path.segs[curPt]; // only clear selection if shift is not pressed (otherwise, add
             // node to selection)
+
             if (!evt.shiftKey) {
               if (path.selected_pts.length <= 1 || !seg.selected) {
                 path.clearSelection();
               }
+
               path.addPtsToSelection(curPt);
             } else if (seg.selected) {
               path.removePtFromSelection(curPt);
@@ -6396,20 +7061,22 @@
             }
           } else if (id.startsWith('ctrlpointgrip_')) {
             path.dragging = [startX, startY];
-
             var parts = id.split('_')[1].split('c');
             curPt = Number(parts[0]);
             var ctrlNum = Number(parts[1]);
             path.selectPt(curPt, ctrlNum);
-          }
+          } // Start selection box
+
 
-          // Start selection box
           if (!path.dragging) {
             var rubberBox = editorContext_.getRubberBox();
+
             if (rubberBox == null) {
               rubberBox = editorContext_.setRubberBox(editorContext_.selectorManager.getRubberBandBox());
             }
+
             var _currentZoom = editorContext_.getCurrentZoom();
+
             assignAttributes(rubberBox, {
               x: startX * _currentZoom,
               y: startY * _currentZoom,
@@ -6429,40 +7096,36 @@
           var currentZoom = editorContext_.getCurrentZoom();
           hasMoved = true;
           var drawnPath = editorContext_.getDrawnPath();
+
           if (editorContext_.getCurrentMode() === 'path') {
             if (!drawnPath) {
               return;
             }
+
             var seglist = drawnPath.pathSegList;
             var index = seglist.numberOfItems - 1;
 
             if (newPoint) {
               // First point
               // if (!index) { return; }
-
               // Set control points
               var pointGrip1 = addCtrlGrip('1c1');
-              var pointGrip2 = addCtrlGrip('0c2');
+              var pointGrip2 = addCtrlGrip('0c2'); // dragging pointGrip1
 
-              // dragging pointGrip1
               pointGrip1.setAttribute('cx', mouseX);
               pointGrip1.setAttribute('cy', mouseY);
               pointGrip1.setAttribute('display', 'inline');
-
               var ptX = newPoint[0];
-              var ptY = newPoint[1];
-
-              // set curve
+              var ptY = newPoint[1]; // set curve
               // const seg = seglist.getItem(index);
+
               var curX = mouseX / currentZoom;
               var curY = mouseY / currentZoom;
               var altX = ptX + (ptX - curX);
               var altY = ptY + (ptY - curY);
-
               pointGrip2.setAttribute('cx', altX * currentZoom);
               pointGrip2.setAttribute('cy', altY * currentZoom);
               pointGrip2.setAttribute('display', 'inline');
-
               var ctrlLine = getCtrlLine(1);
               assignAttributes(ctrlLine, {
                 x1: mouseX,
@@ -6486,12 +7149,15 @@
                   lastX = firstCtrl[0] / currentZoom;
                   lastY = firstCtrl[1] / currentZoom;
                 }
+
                 replacePathSeg(6, index, [ptX, ptY, lastX, lastY, altX, altY], drawnPath);
               }
             } else {
               var stretchy = getElem('path_stretch_line');
+
               if (stretchy) {
                 var prev = seglist.getItem(index);
+
                 if (prev.pathSegType === 6) {
                   var prevX = prev.x + (prev.x - prev.x2);
                   var prevY = prev.y + (prev.y - prev.y2);
@@ -6503,9 +7169,11 @@
                 }
               }
             }
+
             return;
-          }
-          // if we are dragging a point, let's move it
+          } // if we are dragging a point, let's move it
+
+
           if (path.dragging) {
             var pt = getPointFromGrip({
               x: path.dragging[0],
@@ -6528,14 +7196,14 @@
             path.selected_pts = [];
             path.eachSeg(function (i) {
               var seg = this;
+
               if (!seg.next && !seg.prev) {
                 return;
-              }
+              } // const {item} = seg;
+
 
-              // const {item} = seg;
               var rubberBox = editorContext_.getRubberBox();
               var rbb = rubberBox.getBBox();
-
               var pt = getGripPt(seg);
               var ptBb = {
                 x: pt.x,
@@ -6543,11 +7211,9 @@
                 width: 0,
                 height: 0
               };
-
               var sel = rectsIntersect(rbb, ptBb);
+              this.select(sel); // Note that addPtsToSelection is not being run
 
-              this.select(sel);
-              // Note that addPtsToSelection is not being run
               if (sel) {
                 path.selected_pts.push(seg.index);
               }
@@ -6563,10 +7229,11 @@
         * @returns {undefined}
         */
         mouseUp: function mouseUp(evt, element, mouseX, mouseY) {
-          var drawnPath = editorContext_.getDrawnPath();
-          // Create mode
+          var drawnPath = editorContext_.getDrawnPath(); // Create mode
+
           if (editorContext_.getCurrentMode() === 'path') {
             newPoint = null;
+
             if (!drawnPath) {
               element = getElem(editorContext_.getId());
               editorContext_.setStarted(false);
@@ -6577,13 +7244,13 @@
               keep: true,
               element: element
             };
-          }
+          } // Edit mode
+
 
-          // Edit mode
           var rubberBox = editorContext_.getRubberBox();
+
           if (path.dragging) {
             var lastPt = path.cur_pt;
-
             path.dragging = false;
             path.dragctrl = false;
             path.update();
@@ -6601,12 +7268,12 @@
 
             if (rubberBox.getAttribute('width') <= 2 && rubberBox.getAttribute('height') <= 2) {
               pathActions.toSelectMode(evt.target);
-            }
+            } // else, move back to select mode
 
-            // else, move back to select mode
           } else {
             pathActions.toSelectMode(evt.target);
           }
+
           hasMoved = false;
         },
 
@@ -6669,8 +7336,7 @@
         select: function select(target) {
           if (currentPath === target) {
             pathActions.toEditMode(target);
-            editorContext_.setCurrentMode('pathedit');
-            // going into pathedit mode
+            editorContext_.setCurrentMode('pathedit'); // going into pathedit mode
           } else {
             currentPath = target;
           }
@@ -6682,10 +7348,13 @@
         */
         reorient: function reorient() {
           var elem = editorContext_.getSelectedElements()[0];
+
           if (!elem) {
             return;
           }
+
           var angle = getRotationAngle(elem);
+
           if (angle === 0) {
             return;
           }
@@ -6698,19 +7367,14 @@
           batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));
           editorContext_.clearSelection();
           this.resetOrientation(elem);
+          editorContext_.addCommandToHistory(batchCmd); // Set matrix to null
 
-          editorContext_.addCommandToHistory(batchCmd);
-
-          // Set matrix to null
           getPath_(elem).show(false).matrix = null;
-
           this.clear();
-
           editorContext_.addToSelection([elem], true);
           editorContext_.call('changed', editorContext_.getSelectedElements());
         },
 
-
         /**
         * @param {boolean} remove Not in use
         * @returns {undefined}
@@ -6718,6 +7382,7 @@
         clear: function clear(remove) {
           var drawnPath = editorContext_.getDrawnPath();
           currentPath = null;
+
           if (drawnPath) {
             var elem = getElem(editorContext_.getId());
             $$1(getElem('path_stretch_line')).remove();
@@ -6729,6 +7394,7 @@
           } else if (editorContext_.getCurrentMode() === 'pathedit') {
             this.toSelectMode();
           }
+
           if (path) {
             path.init().show(false);
           }
@@ -6742,19 +7408,17 @@
           if (pth == null || pth.nodeName !== 'path') {
             return false;
           }
+
           var tlist = getTransformList(pth);
           var m = transformListToTransform(tlist).matrix;
           tlist.clear();
           pth.removeAttribute('transform');
-          var segList = pth.pathSegList;
-
-          // Opera/win/non-EN throws an error here.
+          var segList = pth.pathSegList; // Opera/win/non-EN throws an error here.
           // TODO: Find out why!
           // Presumed fixed in Opera 10.5, so commented out for now
-
           // try {
-          var len = segList.numberOfItems;
-          // } catch(err) {
+
+          var len = segList.numberOfItems; // } catch(err) {
           //   const fixed_d = pathActions.convertPath(pth);
           //   pth.setAttribute('d', fixed_d);
           //   segList = pth.pathSegList;
@@ -6765,13 +7429,16 @@
           var _loop = function _loop(i) {
             var seg = segList.getItem(i);
             var type = seg.pathSegType;
+
             if (type === 1) {
-              return 'continue';
+              return "continue";
             }
+
             var pts = [];
             $$1.each(['', 1, 2], function (j, n) {
               var x = seg['x' + n],
                   y = seg['y' + n];
+
               if (x !== undefined && y !== undefined) {
                 var pt = transformPoint(x, y, m);
                 pts.splice(pts.length, 0, pt.x, pt.y);
@@ -6783,7 +7450,7 @@
           for (var i = 0; i < len; ++i) {
             var _ret = _loop(i);
 
-            if (_ret === 'continue') continue;
+            if (_ret === "continue") continue;
           }
 
           reorientGrads(pth, m);
@@ -6804,12 +7471,12 @@
         * @property {Float} y
         * @property {Integer} type
         */
+
         /**
         * @returns {module:path.NodePoint}
         */
         getNodePoint: function getNodePoint() {
           var selPt = path.selected_pts.length ? path.selected_pts[0] : 1;
-
           var seg = path.segs[selPt];
           return {
             x: seg.item.x,
@@ -6831,9 +7498,7 @@
         */
         clonePathNode: function clonePathNode() {
           path.storeD();
-
-          var selPts = path.selected_pts;
-          // const {segs} = path;
+          var selPts = path.selected_pts; // const {segs} = path;
 
           var i = selPts.length;
           var nums = [];
@@ -6841,12 +7506,11 @@
           while (i--) {
             var pt = selPts[i];
             path.addSeg(pt);
-
             nums.push(pt + i);
             nums.push(pt + i + 1);
           }
-          path.init().addPtsToSelection(nums);
 
+          path.init().addPtsToSelection(nums);
           path.endChanges('Clone path node(s)');
         },
 
@@ -6854,37 +7518,35 @@
         * @returns {undefined}
         */
         opencloseSubPath: function opencloseSubPath() {
-          var selPts = path.selected_pts;
-          // Only allow one selected node for now
+          var selPts = path.selected_pts; // Only allow one selected node for now
+
           if (selPts.length !== 1) {
             return;
           }
 
           var _path = path,
               elem = _path.elem;
-
-          var list = elem.pathSegList;
-
-          // const len = list.numberOfItems;
+          var list = elem.pathSegList; // const len = list.numberOfItems;
 
           var index = selPts[0];
-
           var openPt = null;
-          var startItem = null;
+          var startItem = null; // Check if subpath is already open
 
-          // Check if subpath is already open
           path.eachSeg(function (i) {
             if (this.type === 2 && i <= index) {
               startItem = this.item;
             }
+
             if (i <= index) {
               return true;
             }
+
             if (this.type === 2) {
               // Found M first, so open
               openPt = i;
               return false;
             }
+
             if (this.type === 1) {
               // Found Z first, so closed
               openPt = false;
@@ -6899,11 +7561,10 @@
 
           if (openPt !== false) {
             // Close this path
-
             // Create a line going to the previous "M"
             var newseg = elem.createSVGPathSegLinetoAbs(startItem.x, startItem.y);
-
             var closer = elem.createSVGPathSegClosePath();
+
             if (openPt === path.segs.length - 1) {
               list.appendItem(newseg);
               list.appendItem(closer);
@@ -6914,27 +7575,25 @@
 
             path.init().selectPt(openPt + 1);
             return;
-          }
-
-          // M 1,1 L 2,2 L 3,3 L 1,1 z // open at 2,2
+          } // M 1,1 L 2,2 L 3,3 L 1,1 z // open at 2,2
           // M 2,2 L 3,3 L 1,1
-
           // M 1,1 L 2,2 L 1,1 z M 4,4 L 5,5 L6,6 L 5,5 z
           // M 1,1 L 2,2 L 1,1 z [M 4,4] L 5,5 L(M)6,6 L 5,5 z
 
+
           var seg = path.segs[index];
 
           if (seg.mate) {
             list.removeItem(index); // Removes last "L"
+
             list.removeItem(index); // Removes the "Z"
+
             path.init().selectPt(index - 1);
             return;
           }
 
-          var lastM = void 0,
-              zSeg = void 0;
+          var lastM, zSeg; // Find this sub-path's closing point and remove
 
-          // Find this sub-path's closing point and remove
           for (var i = 0; i < list.numberOfItems; i++) {
             var item = list.getItem(i);
 
@@ -6943,8 +7602,7 @@
               lastM = i;
             } else if (i === index) {
               // Remove it
-              list.removeItem(lastM);
-              // index--;
+              list.removeItem(lastM); // index--;
             } else if (item.pathSegType === 1 && index < i) {
               // Remove the closing seg of this subpath
               zSeg = i - 1;
@@ -6959,12 +7617,9 @@
             insertItemBefore(elem, list.getItem(lastM), zSeg);
           }
 
-          var pt = list.getItem(lastM);
+          var pt = list.getItem(lastM); // Make this point the new "M"
 
-          // Make this point the new "M"
-          replacePathSeg(2, lastM, [pt.x, pt.y]);
-
-          // i = index; // i is local here, so has no effect; what was the intent for this?
+          replacePathSeg(2, lastM, [pt.x, pt.y]); // i = index; // i is local here, so has no effect; what was the intent for this?
 
           path.init().selectPt(0);
         },
@@ -6976,17 +7631,17 @@
           if (!pathActions.canDeleteNodes) {
             return;
           }
+
           path.storeD();
-
           var selPts = path.selected_pts;
-
           var i = selPts.length;
+
           while (i--) {
             var pt = selPts[i];
             path.deleteSeg(pt);
-          }
+          } // Cleanup
+
 
-          // Cleanup
           var cleanup = function cleanup() {
             var segList = path.elem.pathSegList;
             var len = segList.numberOfItems;
@@ -7003,9 +7658,11 @@
 
             while (len--) {
               var item = segList.getItem(len);
+
               if (item.pathSegType === 1) {
                 var prev = segList.getItem(len - 1);
                 var nprev = segList.getItem(len - 2);
+
                 if (prev.pathSegType === 2) {
                   remItems(len - 1, 2);
                   cleanup();
@@ -7017,13 +7674,12 @@
                 }
               } else if (item.pathSegType === 2) {
                 if (len > 0) {
-                  var prevType = segList.getItem(len - 1).pathSegType;
-                  // Path has M M
+                  var prevType = segList.getItem(len - 1).pathSegType; // Path has M M
+
                   if (prevType === 2) {
                     remItems(len - 1, 1);
                     cleanup();
-                    break;
-                    // Entire path ends with Z M
+                    break; // Entire path ends with Z M
                   } else if (prevType === 1 && segList.numberOfItems - 1 === len) {
                     remItems(len, 1);
                     cleanup();
@@ -7032,12 +7688,12 @@
                 }
               }
             }
+
             return false;
           };
 
-          cleanup();
+          cleanup(); // Completely delete a path with 1 or 0 segments
 
-          // Completely delete a path with 1 or 0 segments
           if (path.elem.pathSegList.numberOfItems <= 1) {
             pathActions.toSelectMode(path.elem);
             editorContext_.canvas.deleteSelectedElements();
@@ -7045,25 +7701,26 @@
           }
 
           path.init();
-          path.clearSelection();
-
-          // TODO: Find right way to select point now
+          path.clearSelection(); // TODO: Find right way to select point now
           // path.selectPt(selPt);
+
           if (window.opera) {
             // Opera repaints incorrectly
             var cp = $$1(path.elem);
             cp.attr('d', cp.attr('d'));
           }
+
           path.endChanges('Delete path node(s)');
         },
-
         // Can't seem to use `@borrows` here, so using `@see`
+
         /**
         * Smooth polyline into path
         * @function module:path.pathActions.smoothPolylineIntoPath
         * @see module:path~smoothPolylineIntoPath
         */
         smoothPolylineIntoPath: smoothPolylineIntoPath,
+
         /**
         * @returns {undefined}
         */
@@ -7078,17 +7735,19 @@
         */
         moveNode: function moveNode(attr, newValue) {
           var selPts = path.selected_pts;
+
           if (!selPts.length) {
             return;
           }
 
-          path.storeD();
+          path.storeD(); // Get first selected point
 
-          // Get first selected point
           var seg = path.segs[selPts[0]];
-          var diff = { x: 0, y: 0 };
+          var diff = {
+            x: 0,
+            y: 0
+          };
           diff[attr] = newValue - seg.item[attr];
-
           seg.move(diff.x, diff.y);
           path.endChanges('Move path point');
         },
@@ -7103,31 +7762,35 @@
           // M0,0 L0,100 L100,100 z
           var segList = elem.pathSegList;
           var len = segList.numberOfItems;
-          var lastM = void 0;
+          var lastM;
+
           for (var i = 0; i < len; ++i) {
             var item = segList.getItem(i);
+
             if (item.pathSegType === 2) {
               lastM = item;
             }
 
             if (item.pathSegType === 1) {
               var prev = segList.getItem(i - 1);
+
               if (prev.x !== lastM.x || prev.y !== lastM.y) {
                 // Add an L segment here
                 var newseg = elem.createSVGPathSegLinetoAbs(lastM.x, lastM.y);
-                insertItemBefore(elem, newseg, i);
-                // Can this be done better?
+                insertItemBefore(elem, newseg, i); // Can this be done better?
+
                 pathActions.fixEnd(elem);
                 break;
               }
             }
           }
+
           if (isWebkit()) {
             editorContext_.resetD(elem);
           }
         },
-
         // Can't seem to use `@borrows` here, so using `@see`
+
         /**
         * Convert a path to one with only absolute or relative values
         * @function module:path.pathActions.convertPath
@@ -7136,26 +7799,19 @@
         convertPath: convertPath
       }
     );
-  }();
+  }(); // end pathActions
 
-  /* globals jQuery */
+  var $$2 = jqPluginSVG(jQuery); // String used to encode base64.
 
-  // Constants
-  var $$2 = jqPluginSVG(jQuery);
+  var KEYSTR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; // Much faster than running getBBox() every time
 
-  // String used to encode base64.
-  var KEYSTR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
-
-  // Much faster than running getBBox() every time
   var visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use';
-  var visElemsArr = visElems.split(',');
-  // const hidElems = 'clipPath,defs,desc,feGaussianBlur,filter,linearGradient,marker,mask,metadata,pattern,radialGradient,stop,switch,symbol,title,textPath';
+  var visElemsArr = visElems.split(','); // const hidElems = 'clipPath,defs,desc,feGaussianBlur,filter,linearGradient,marker,mask,metadata,pattern,radialGradient,stop,switch,symbol,title,textPath';
 
   var editorContext_$1 = null;
   var domdoc_ = null;
   var domcontainer_ = null;
   var svgroot_ = null;
-
   /**
   * Object with the following keys/values
   * @typedef {PlainObject} module:utilities.SVGElementJSON
@@ -7172,10 +7828,12 @@
    * @interface module:utilities.EditorContext
    * @property {module:path.pathActions} pathActions
    */
+
   /**
    * @function module:utilities.EditorContext#getSVGContent
    * @returns {SVGSVGElement}
    */
+
   /**
    * Create a new SVG element based on the given object keys/values and add it
    * to the current layer.
@@ -7184,26 +7842,32 @@
    * @param {module:utilities.SVGElementJSON} data
    * @returns {Element} The new element
   */
+
   /**
    * @function module:utilities.EditorContext#getSelectedElements
    * @returns {Element[]} the array with selected DOM elements
   */
+
   /**
    * @function module:utilities.EditorContext#getDOMDocument
    * @returns {HTMLDocument}
   */
+
   /**
    * @function module:utilities.EditorContext#getDOMContainer
    * @returns {HTMLElement}
   */
+
   /**
    * @function module:utilities.EditorContext#getSVGRoot
    * @returns {SVGSVGElement}
   */
+
   /**
    * @function module:utilities.EditorContext#getBaseUnit
    * @returns {string}
   */
+
   /**
    * @function module:utilities.EditorContext#getSnappingStep
    * @returns {Float|string}
@@ -7214,13 +7878,13 @@
   * @param {module:utilities.EditorContext} editorContext
   * @returns {undefined}
   */
+
   var init$2 = function init$$1(editorContext) {
     editorContext_$1 = editorContext;
     domdoc_ = editorContext.getDOMDocument();
     domcontainer_ = editorContext.getDOMContainer();
     svgroot_ = editorContext.getSVGRoot();
   };
-
   /**
    * Used to prevent the [Billion laughs attack]{@link https://en.wikipedia.org/wiki/Billion_laughs_attack}
    * @function module:utilities.dropXMLInteralSubset
@@ -7228,10 +7892,10 @@
    * @returns {string} The string with entity declarations in the internal subset removed
    * @todo This might be needed in other places `parseFromString` is used even without LGTM flagging
    */
+
   var dropXMLInteralSubset = function dropXMLInteralSubset(str) {
     return str.replace(/(<!DOCTYPE\s+\w*\s*\[).*(\?\]>)/, '$1$2');
   };
-
   /**
   * Converts characters in a string to XML-friendly entities.
   * @function module:utilities.toXml
@@ -7239,16 +7903,14 @@
   * @param {string} str - The string to be converted
   * @returns {string} The converted string
   */
+
   var toXml = function toXml(str) {
     // &apos; is ok in XML, but not HTML
     // &gt; does not normally need escaping, though it can if within a CDATA expression (and preceded by "]]")
     return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(/'/g, '&#x27;'); // Note: `&apos;` is XML only
   };
-
-  // This code was written by Tyler Akins and has been placed in the
   // public domain.  It would be nice if you left this header intact.
   // Base64 code from Tyler Akins -- http://rumkin.com
-
   // schiller: Removed string concatenation in favour of Array.join() optimization,
   //        also precalculate the size of the array needed.
 
@@ -7258,26 +7920,27 @@
   * @param {string} input
   * @returns {string} Base64 output
   */
+
   var encode64 = function encode64(input) {
     // base64 strings are 4/3 larger than the original string
     input = encodeUTF8(input); // convert non-ASCII characters
     // input = convertToXMLReferences(input);
+
     if (window.btoa) {
       return window.btoa(input); // Use native if available
     }
+
     var output = [];
     output.length = Math.floor((input.length + 2) / 3) * 4;
-
     var i = 0,
         p = 0;
+
     do {
       var chr1 = input.charCodeAt(i++);
       var chr2 = input.charCodeAt(i++);
       var chr3 = input.charCodeAt(i++);
-
       var enc1 = chr1 >> 2;
       var enc2 = (chr1 & 3) << 4 | chr2 >> 4;
-
       var enc3 = (chr2 & 15) << 2 | chr3 >> 6;
       var enc4 = chr3 & 63;
 
@@ -7295,21 +7958,20 @@
 
     return output.join('');
   };
-
   /**
   * Converts a string from base64
   * @function module:utilities.decode64
   * @param {string} input Base64-encoded input
   * @returns {string} Decoded output
   */
+
   var decode64 = function decode64(input) {
     if (window.atob) {
       return decodeUTF8(window.atob(input));
-    }
+    } // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
+
 
-    // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
     input = input.replace(/[^A-Za-z0-9+/=]/g, '');
-
     var output = '';
     var i = 0;
 
@@ -7318,88 +7980,96 @@
       var enc2 = KEYSTR.indexOf(input.charAt(i++));
       var enc3 = KEYSTR.indexOf(input.charAt(i++));
       var enc4 = KEYSTR.indexOf(input.charAt(i++));
-
       var chr1 = enc1 << 2 | enc2 >> 4;
       var chr2 = (enc2 & 15) << 4 | enc3 >> 2;
       var chr3 = (enc3 & 3) << 6 | enc4;
-
       output += String.fromCharCode(chr1);
 
       if (enc3 !== 64) {
         output = output + String.fromCharCode(chr2);
       }
+
       if (enc4 !== 64) {
         output = output + String.fromCharCode(chr3);
       }
     } while (i < input.length);
+
     return decodeUTF8(output);
   };
-
   /**
   * @function module:utilities.decodeUTF8
   * @param {string} argString
   * @returns {string}
   */
+
   var decodeUTF8 = function decodeUTF8(argString) {
     return decodeURIComponent(escape(argString));
-  };
+  }; // codedread:does not seem to work with webkit-based browsers on OSX // Brettz9: please test again as function upgraded
 
-  // codedread:does not seem to work with webkit-based browsers on OSX // Brettz9: please test again as function upgraded
   /**
   * @function module:utilities.encodeUTF8
   * @param {string} argString
   * @returns {string}
   */
+
   var encodeUTF8 = function encodeUTF8(argString) {
     return unescape(encodeURIComponent(argString));
   };
-
   /**
    * convert dataURL to object URL
    * @function module:utilities.dataURLToObjectURL
    * @param {string} dataurl
    * @returns {string} object URL or empty string
    */
+
   var dataURLToObjectURL = function dataURLToObjectURL(dataurl) {
     if (typeof Uint8Array === 'undefined' || typeof Blob === 'undefined' || typeof URL === 'undefined' || !URL.createObjectURL) {
       return '';
     }
+
     var arr = dataurl.split(','),
         mime = arr[0].match(/:(.*?);/)[1],
         bstr = atob(arr[1]);
     var n = bstr.length;
     var u8arr = new Uint8Array(n);
+
     while (n--) {
       u8arr[n] = bstr.charCodeAt(n);
     }
-    var blob = new Blob([u8arr], { type: mime });
+
+    var blob = new Blob([u8arr], {
+      type: mime
+    });
     return URL.createObjectURL(blob);
   };
-
   /**
    * get object URL for a blob object
    * @function module:utilities.createObjectURL
    * @param {Blob} blob A Blob object or File object
    * @returns {string} object URL or empty string
    */
+
   var createObjectURL = function createObjectURL(blob) {
     if (!blob || typeof URL === 'undefined' || !URL.createObjectURL) {
       return '';
     }
+
     return URL.createObjectURL(blob);
   };
-
   /**
    * @property {string} blankPageObjectURL
    */
+
   var blankPageObjectURL = function () {
     if (typeof Blob === 'undefined') {
       return '';
     }
-    var blob = new Blob(['<html><head><title>SVG-edit</title></head><body>&nbsp;</body></html>'], { type: 'text/html' });
+
+    var blob = new Blob(['<html><head><title>SVG-edit</title></head><body>&nbsp;</body></html>'], {
+      type: 'text/html'
+    });
     return createObjectURL(blob);
   }();
-
   /**
   * Cross-browser compatible method of converting a string to an XML tree
   * found this function [here]{@link http://groups.google.com/group/jquery-dev/browse_thread/thread/c6d11387c580a77f}
@@ -7408,19 +8078,21 @@
   * @throws {Error}
   * @returns {XMLDocument}
   */
+
   var text2xml = function text2xml(sXML) {
     if (sXML.includes('<svg:svg')) {
       sXML = sXML.replace(/<(\/?)svg:/g, '<$1').replace('xmlns:svg', 'xmlns');
     }
 
-    var out = void 0,
-        dXML = void 0;
+    var out, dXML;
+
     try {
       dXML = window.DOMParser ? new DOMParser() : new window.ActiveXObject('Microsoft.XMLDOM');
       dXML.async = false;
     } catch (e) {
       throw new Error('XML Parser could not be instantiated');
     }
+
     try {
       if (dXML.loadXML) {
         out = dXML.loadXML(sXML) ? dXML : false;
@@ -7430,9 +8102,9 @@
     } catch (e2) {
       throw new Error('Error parsing XML string');
     }
+
     return out;
   };
-
   /**
   * @typedef {PlainObject} module:utilities.BBoxObject (like `DOMRect`)
   * @property {Float} x
@@ -7447,15 +8119,19 @@
   * @param {SVGRect} bbox - a SVGRect
   * @returns {module:utilities.BBoxObject} An object with properties names x, y, width, height.
   */
+
   var bboxToObj = function bboxToObj(_ref) {
     var x = _ref.x,
         y = _ref.y,
         width = _ref.width,
         height = _ref.height;
-
-    return { x: x, y: y, width: width, height: height };
+    return {
+      x: x,
+      y: y,
+      width: width,
+      height: height
+    };
   };
-
   /**
   * @callback module:utilities.TreeWalker
   * @param {Element} elem - DOM element being traversed
@@ -7469,16 +8145,17 @@
   * @param {module:utilities.TreeWalker} cbFn - Callback function to run on each element
   * @returns {undefined}
   */
+
   var walkTree = function walkTree(elem, cbFn) {
     if (elem && elem.nodeType === 1) {
       cbFn(elem);
       var i = elem.childNodes.length;
+
       while (i--) {
         walkTree(elem.childNodes.item(i), cbFn);
       }
     }
   };
-
   /**
   * Walks the tree and executes the callback on each element in a depth-first fashion
   * @function module:utilities.walkTreePost
@@ -7487,16 +8164,18 @@
   * @param {module:utilities.TreeWalker} cbFn - Callback function to run on each element
   * @returns {undefined}
   */
+
   var walkTreePost = function walkTreePost(elem, cbFn) {
     if (elem && elem.nodeType === 1) {
       var i = elem.childNodes.length;
+
       while (i--) {
         walkTree(elem.childNodes.item(i), cbFn);
       }
+
       cbFn(elem);
     }
   };
-
   /**
   * Extracts the URL from the `url(...)` syntax of some attributes.
   * Three variants:
@@ -7507,32 +8186,35 @@
   * @param {string} attrVal The attribute value as a string
   * @returns {string} String with just the URL, like "someFile.svg#foo"
   */
+
   var getUrlFromAttr = function getUrlFromAttr(attrVal) {
     if (attrVal) {
       // url('#somegrad')
       if (attrVal.startsWith('url("')) {
         return attrVal.substring(5, attrVal.indexOf('"', 6));
-      }
-      // url('#somegrad')
+      } // url('#somegrad')
+
+
       if (attrVal.startsWith("url('")) {
         return attrVal.substring(5, attrVal.indexOf("'", 6));
       }
+
       if (attrVal.startsWith('url(')) {
         return attrVal.substring(4, attrVal.indexOf(')'));
       }
     }
+
     return null;
   };
-
   /**
   * @function module:utilities.getHref
   * @param {Element} elem
   * @returns {string} The given element's `xlink:href` value
   */
+
   var getHref = function getHref(elem) {
     return elem.getAttributeNS(NS.XLINK, 'href');
   };
-
   /**
   * Sets the given element's `xlink:href` value
   * @function module:utilities.setHref
@@ -7540,33 +8222,34 @@
   * @param {string} val
   * @returns {undefined}
   */
+
   var setHref = function setHref(elem, val) {
     elem.setAttributeNS(NS.XLINK, 'xlink:href', val);
   };
-
   /**
   * @function module:utilities.findDefs
   * @returns {SVGDefsElement} The document's `<defs>` element, creating it first if necessary
   */
+
   var findDefs = function findDefs() {
     var svgElement = editorContext_$1.getSVGContent();
     var defs = svgElement.getElementsByTagNameNS(NS.SVG, 'defs');
+
     if (defs.length > 0) {
       defs = defs[0];
     } else {
       defs = svgElement.ownerDocument.createElementNS(NS.SVG, 'defs');
+
       if (svgElement.firstChild) {
         // first child is a comment, so call nextSibling
-        svgElement.insertBefore(defs, svgElement.firstChild.nextSibling);
-        // svgElement.firstChild.nextSibling.before(defs); // Not safe
+        svgElement.insertBefore(defs, svgElement.firstChild.nextSibling); // svgElement.firstChild.nextSibling.before(defs); // Not safe
       } else {
         svgElement.append(defs);
       }
     }
-    return defs;
-  };
 
-  // TODO(codedread): Consider moving the next to functions to bbox.js
+    return defs;
+  }; // TODO(codedread): Consider moving the next to functions to bbox.js
 
   /**
   * Get correct BBox for a path in Webkit.
@@ -7575,10 +8258,10 @@
   * @param {SVGPathElement} path - The path DOM element to get the BBox for
   * @returns {module:utilities.BBoxObject} A BBox-like object
   */
+
   var getPathBBox = function getPathBBox(path$$1) {
     var seglist = path$$1.pathSegList;
     var tot = seglist.numberOfItems;
-
     var bounds = [[], []];
     var start = seglist.getItem(0);
     var P0 = [start.x, start.y];
@@ -7588,9 +8271,9 @@
 
       if (seg.x === undefined) {
         continue;
-      }
+      } // Add actual points to limits
+
 
-      // Add actual points to limits
       bounds[0].push(P0[0]);
       bounds[1].push(P0[1]);
 
@@ -7611,33 +8294,43 @@
 
             if (a === 0) {
               if (b === 0) {
-                return 'continue';
+                return "continue";
               }
+
               var t = -c / b;
+
               if (t > 0 && t < 1) {
                 bounds[j].push(calc(t));
               }
-              return 'continue';
+
+              return "continue";
             }
+
             var b2ac = Math.pow(b, 2) - 4 * c * a;
+
             if (b2ac < 0) {
-              return 'continue';
+              return "continue";
             }
+
             var t1 = (-b + Math.sqrt(b2ac)) / (2 * a);
+
             if (t1 > 0 && t1 < 1) {
               bounds[j].push(calc(t1));
             }
+
             var t2 = (-b - Math.sqrt(b2ac)) / (2 * a);
+
             if (t2 > 0 && t2 < 1) {
               bounds[j].push(calc(t2));
             }
           };
 
           for (var j = 0; j < 2; j++) {
-            var _ret2 = _loop(j);
+            var _ret = _loop(j);
 
-            if (_ret2 === 'continue') continue;
+            if (_ret === "continue") continue;
           }
+
           P0 = P3;
         })();
       } else {
@@ -7657,7 +8350,6 @@
       height: h
     };
   };
-
   /**
   * Get the given/selected element's bounding box object, checking for
   * horizontal/vertical lines (see issue 717)
@@ -7666,16 +8358,17 @@
   * @param {Element} selected - Container or `<use>` DOM element
   * @returns {DOMRect} Bounding box object
   */
+
   function groupBBFix(selected) {
     if (supportsHVLineContainerBBox()) {
       try {
         return selected.getBBox();
       } catch (e) {}
     }
+
     var ref = $$2.data(selected, 'ref');
     var matched = null;
-    var ret = void 0,
-        copy = void 0;
+    var ret, copy;
 
     if (ref) {
       copy = $$2(ref).children().clone().attr('visibility', 'hidden');
@@ -7686,13 +8379,16 @@
     }
 
     var issue = false;
+
     if (matched.length) {
       matched.each(function () {
         var bb = this.getBBox();
+
         if (!bb.width || !bb.height) {
           issue = true;
         }
       });
+
       if (issue) {
         var elems = ref ? copy : $$2(selected).children();
         ret = getStrokedBBox(elems);
@@ -7702,12 +8398,13 @@
     } else {
       ret = selected.getBBox();
     }
+
     if (ref) {
       copy.remove();
     }
+
     return ret;
   }
-
   /**
   * Get the given/selected element's bounding box object, convert it to be more
   * usable when necessary
@@ -7715,18 +8412,23 @@
   * @param {Element} elem - Optional DOM element to get the BBox for
   * @returns {module:utilities.BBoxObject} Bounding box object
   */
+
+
   var getBBox = function getBBox(elem) {
     var selected = elem || editorContext_$1.geSelectedElements()[0];
+
     if (elem.nodeType !== 1) {
       return null;
     }
-    var elname = selected.nodeName;
 
+    var elname = selected.nodeName;
     var ret = null;
+
     switch (elname) {
       case 'text':
         if (selected.textContent === '') {
           selected.textContent = 'a'; // Some character needed for the selector to use.
+
           ret = selected.getBBox();
           selected.textContent = '';
         } else {
@@ -7734,7 +8436,9 @@
             ret = selected.getBBox();
           }
         }
+
         break;
+
       case 'path':
         if (!supportsPathBBox()) {
           ret = getPathBBox(selected);
@@ -7743,23 +8447,27 @@
             ret = selected.getBBox();
           }
         }
+
         break;
+
       case 'g':
       case 'a':
         ret = groupBBFix(selected);
         break;
-      default:
 
+      default:
         if (elname === 'use') {
           ret = groupBBFix(selected); // , true);
         }
+
         if (elname === 'use' || elname === 'foreignObject' && isWebkit()) {
           if (!ret) {
             ret = selected.getBBox();
-          }
-          // This is resolved in later versions of webkit, perhaps we should
+          } // This is resolved in later versions of webkit, perhaps we should
           // have a featured detection for correct 'use' behavior?
           // ——————————
+
+
           if (!isWebkit()) {
             var bb = {};
             bb.width = ret.width;
@@ -7776,7 +8484,9 @@
               // tspan (and textPath apparently) have no `getBBox` in Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=937268
               // Re: Chrome returning bbox for containing text element, see: https://bugs.chromium.org/p/chromium/issues/detail?id=349835
               var extent = selected.getExtentOfChar(0); // pos+dimensions of the first glyph
+
               var width = selected.getComputedTextLength(); // width of the tspan
+
               ret = {
                 x: extent.x,
                 y: extent.y,
@@ -7787,6 +8497,7 @@
           } else {
             // Check if element is child of a foreignObject
             var fo = $$2(selected).closest('foreignObject');
+
             if (fo.length) {
               if (fo[0].getBBox) {
                 ret = fo[0].getBBox();
@@ -7794,15 +8505,16 @@
             }
           }
         }
+
     }
+
     if (ret) {
       ret = bboxToObj(ret);
-    }
+    } // get the bounding box from the DOM (which is in that element's coordinate system)
+
 
-    // get the bounding box from the DOM (which is in that element's coordinate system)
     return ret;
   };
-
   /**
   * @typedef {GenericArray} module:utilities.PathSegmentArray
   * @property {Integer} length 2
@@ -7817,36 +8529,34 @@
   * @param {module:utilities.PathSegmentArray[]} pathSegments - An array of path segments to be converted
   * @returns {string} The converted path d attribute.
   */
+
   var getPathDFromSegments = function getPathDFromSegments(pathSegments) {
     var d = '';
-
     $$2.each(pathSegments, function (j, _ref2) {
-      var _ref3 = slicedToArray(_ref2, 2),
+      var _ref3 = _slicedToArray(_ref2, 2),
           singleChar = _ref3[0],
           pts = _ref3[1];
 
       d += singleChar;
+
       for (var i = 0; i < pts.length; i += 2) {
         d += pts[i] + ',' + pts[i + 1] + ' ';
       }
     });
-
     return d;
   };
-
   /**
   * Make a path 'd' attribute from a simple SVG element shape.
   * @function module:utilities.getPathDFromElement
   * @param {Element} elem - The element to be converted
   * @returns {string} The path d attribute or `undefined` if the element type is unknown.
   */
+
   var getPathDFromElement = function getPathDFromElement(elem) {
     // Possibly the cubed root of 6, but 1.81 works best
     var num = 1.81;
-    var d = void 0,
-        a = void 0,
-        rx = void 0,
-        ry = void 0;
+    var d, a, rx, ry;
+
     switch (elem.tagName) {
       case 'ellipse':
       case 'circle':
@@ -7864,30 +8574,33 @@
 
         d = getPathDFromSegments([['M', [cx - rx, cy]], ['C', [cx - rx, cy - ry / num, cx - rx / num, cy - ry, cx, cy - ry]], ['C', [cx + rx / num, cy - ry, cx + rx, cy - ry / num, cx + rx, cy]], ['C', [cx + rx, cy + ry / num, cx + rx / num, cy + ry, cx, cy + ry]], ['C', [cx - rx / num, cy + ry, cx - rx, cy + ry / num, cx - rx, cy]], ['Z', []]]);
         break;
+
       case 'path':
         d = elem.getAttribute('d');
         break;
+
       case 'line':
         a = $$2(elem).attr(['x1', 'y1', 'x2', 'y2']);
         d = 'M' + a.x1 + ',' + a.y1 + 'L' + a.x2 + ',' + a.y2;
         break;
+
       case 'polyline':
         d = 'M' + elem.getAttribute('points');
         break;
+
       case 'polygon':
         d = 'M' + elem.getAttribute('points') + ' Z';
         break;
+
       case 'rect':
         var r = $$2(elem).attr(['rx', 'ry']);
         rx = r.rx;
         ry = r.ry;
-
-        var _b = elem.getBBox();
-        var x = _b.x,
-            y = _b.y,
-            w = _b.width,
-            h = _b.height;
-
+        var b = elem.getBBox();
+        var x = b.x,
+            y = b.y,
+            w = b.width,
+            h = b.height;
         num = 4 - num; // Why? Because!
 
         if (!rx && !ry) {
@@ -7896,33 +8609,35 @@
         } else {
           d = getPathDFromSegments([['M', [x, y + ry]], ['C', [x, y + ry / num, x + rx / num, y, x + rx, y]], ['L', [x + w - rx, y]], ['C', [x + w - rx / num, y, x + w, y + ry / num, x + w, y + ry]], ['L', [x + w, y + h - ry]], ['C', [x + w, y + h - ry / num, x + w - rx / num, y + h, x + w - rx, y + h]], ['L', [x + rx, y + h]], ['C', [x + rx / num, y + h, x, y + h - ry / num, x, y + h - ry]], ['L', [x, y + ry]], ['Z', []]]);
         }
+
         break;
+
       default:
         break;
     }
 
     return d;
   };
-
   /**
   * Get a set of attributes from an element that is useful for convertToPath.
   * @function module:utilities.getExtraAttributesForConvertToPath
   * @param {Element} elem - The element to be probed
   * @returns {PlainObject.<"marker-start"|"marker-end"|"marker-mid"|"filter"|"clip-path", string>} An object with attributes.
   */
+
   var getExtraAttributesForConvertToPath = function getExtraAttributesForConvertToPath(elem) {
-    var attrs = {};
-    // TODO: make this list global so that we can properly maintain it
+    var attrs = {}; // TODO: make this list global so that we can properly maintain it
     // TODO: what about @transform, @clip-rule, @fill-rule, etc?
+
     $$2.each(['marker-start', 'marker-end', 'marker-mid', 'filter', 'clip-path'], function () {
       var a = elem.getAttribute(this);
+
       if (a) {
         attrs[this] = a;
       }
     });
     return attrs;
   };
-
   /**
   * Get the BBox of an element-as-path
   * @function module:utilities.getBBoxOfElementAsPath
@@ -7931,18 +8646,20 @@
   * @param {module:path.pathActions} pathActions - If a transform exists, `pathActions.resetOrientation()` is used. See: canvas.pathActions.
   * @returns {DOMRect|false} The resulting path's bounding box object.
   */
+
   var getBBoxOfElementAsPath = function getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions$$1) {
     var path$$1 = addSVGElementFromJson({
       element: 'path',
       attr: getExtraAttributesForConvertToPath(elem)
     });
-
     var eltrans = elem.getAttribute('transform');
+
     if (eltrans) {
       path$$1.setAttribute('transform', eltrans);
     }
 
     var parent = elem.parentNode;
+
     if (elem.nextSibling) {
       elem.before(path$$1);
     } else {
@@ -7950,24 +8667,25 @@
     }
 
     var d = getPathDFromElement(elem);
+
     if (d) {
       path$$1.setAttribute('d', d);
     } else {
       path$$1.remove();
-    }
+    } // Get the correct BBox of the new path, then discard it
+
 
-    // Get the correct BBox of the new path, then discard it
     pathActions$$1.resetOrientation(path$$1);
     var bb = false;
+
     try {
       bb = path$$1.getBBox();
-    } catch (e) {
-      // Firefox fails
+    } catch (e) {// Firefox fails
     }
+
     path$$1.remove();
     return bb;
   };
-
   /**
   * Convert selected element to a path.
   * @function module:utilities.convertToPath
@@ -7981,25 +8699,24 @@
   * @param {module:path.EditorContext#addCommandToHistory|module:draw.DrawCanvasInit#addCommandToHistory} addCommandToHistory - see [canvas.addCommandToHistory]{@link module:svgcanvas~addCommandToHistory}
   * @returns {SVGPathElement|null} The converted path element or null if the DOM element was not recognized.
   */
+
   var convertToPath = function convertToPath(elem, attrs, addSVGElementFromJson, pathActions$$1, clearSelection, addToSelection, history, addCommandToHistory) {
-    var batchCmd = new history.BatchCommand('Convert element to Path');
+    var batchCmd = new history.BatchCommand('Convert element to Path'); // Any attribute on the element not covered by the passed-in attributes
 
-    // Any attribute on the element not covered by the passed-in attributes
     attrs = $$2.extend({}, attrs, getExtraAttributesForConvertToPath(elem));
-
     var path$$1 = addSVGElementFromJson({
       element: 'path',
       attr: attrs
     });
-
     var eltrans = elem.getAttribute('transform');
+
     if (eltrans) {
       path$$1.setAttribute('transform', eltrans);
     }
 
     var id = elem.id;
-
     var parent = elem.parentNode;
+
     if (elem.nextSibling) {
       elem.before(path$$1);
     } else {
@@ -8007,39 +8724,35 @@
     }
 
     var d = getPathDFromElement(elem);
+
     if (d) {
-      path$$1.setAttribute('d', d);
-
-      // Replace the current element with the converted one
-
+      path$$1.setAttribute('d', d); // Replace the current element with the converted one
       // Reorient if it has a matrix
+
       if (eltrans) {
         var tlist = getTransformList(path$$1);
+
         if (hasMatrixTransform(tlist)) {
           pathActions$$1.resetOrientation(path$$1);
         }
       }
 
       var nextSibling = elem.nextSibling;
-
       batchCmd.addSubCommand(new history.RemoveElementCommand(elem, nextSibling, parent));
       batchCmd.addSubCommand(new history.InsertElementCommand(path$$1));
-
       clearSelection();
       elem.remove();
       path$$1.setAttribute('id', id);
       path$$1.removeAttribute('visibility');
       addToSelection([path$$1], true);
-
       addCommandToHistory(batchCmd);
-
       return path$$1;
-    }
-    // the elem.tagName was not recognized, so no "d" attribute. Remove it, so we've haven't changed anything.
+    } // the elem.tagName was not recognized, so no "d" attribute. Remove it, so we've haven't changed anything.
+
+
     path$$1.remove();
     return null;
   };
-
   /**
   * Can the bbox be optimized over the native getBBox? The optimized bbox is the same as the native getBBox when
   * the rotation angle is a multiple of 90 degrees and there are no complex transforms.
@@ -8060,13 +8773,13 @@
   * @param {boolean} hasMatrixTransform - True if there is a matrix transform
   * @returns {boolean} True if the bbox can be optimized.
   */
+
   function bBoxCanBeOptimizedOverNativeGetBBox(angle, hasMatrixTransform$$1) {
     var angleModulo90 = angle % 90;
     var closeTo90 = angleModulo90 < -89.99 || angleModulo90 > 89.99;
     var closeTo0 = angleModulo90 > -0.001 && angleModulo90 < 0.001;
     return hasMatrixTransform$$1 || !(closeTo0 || closeTo90);
   }
-
   /**
   * Get bounding box that includes any transforms.
   * @function module:utilities.getBBoxWithTransform
@@ -8075,11 +8788,12 @@
   * @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.
   * @returns {module:utilities.BBoxObject|module:math.TransformedBox|DOMRect} A single bounding box object
   */
+
+
   var getBBoxWithTransform = function getBBoxWithTransform(elem, addSVGElementFromJson, pathActions$$1) {
     // TODO: Fix issue with rotated groups. Currently they work
     // fine in FF, but not in other browsers (same problem mentioned
     // in Issue 339 comment #2).
-
     var bb = getBBox(elem);
 
     if (!bb) {
@@ -8092,16 +8806,19 @@
 
     if (angle || hasMatrixXForm) {
       var goodBb = false;
+
       if (bBoxCanBeOptimizedOverNativeGetBBox(angle, hasMatrixXForm)) {
         // Get the BBox from the raw path for these elements
         // TODO: why ellipse and not circle
         var elemNames = ['ellipse', 'path', 'line', 'polyline', 'polygon'];
+
         if (elemNames.includes(elem.tagName)) {
           bb = goodBb = getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions$$1);
         } else if (elem.tagName === 'rect') {
           // Look for radius
           var rx = elem.getAttribute('rx');
           var ry = elem.getAttribute('ry');
+
           if (rx || ry) {
             bb = goodBb = getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions$$1);
           }
@@ -8112,9 +8829,7 @@
         var _transformListToTrans = transformListToTransform(tlist),
             matrix = _transformListToTrans.matrix;
 
-        bb = transformBox(bb.x, bb.y, bb.width, bb.height, matrix).aabox;
-
-        // Old technique that was exceedingly slow with large documents.
+        bb = transformBox(bb.x, bb.y, bb.width, bb.height, matrix).aabox; // Old technique that was exceedingly slow with large documents.
         //
         // Accurate way to get BBox of rotated element in Firefox:
         // Put element in group and get its BBox
@@ -8129,15 +8844,14 @@
         // g.remove();
       }
     }
-    return bb;
-  };
 
-  // TODO: This is problematic with large stroke-width and, for example, a single horizontal line. The calculated BBox extends way beyond left and right sides.
+    return bb;
+  }; // TODO: This is problematic with large stroke-width and, for example, a single horizontal line. The calculated BBox extends way beyond left and right sides.
+
   function getStrokeOffsetForBBox(elem) {
     var sw = elem.getAttribute('stroke-width');
     return !isNaN(sw) && elem.getAttribute('stroke') !== 'none' ? sw / 2 : 0;
   }
-
   /**
    * @typedef {PlainObject} BBox
    * @property {Integer} x The x value
@@ -8154,36 +8868,37 @@
   * @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.
   * @returns {module:utilities.BBoxObject|module:math.TransformedBox|DOMRect} A single bounding box object
   */
+
+
   var getStrokedBBox = function getStrokedBBox(elems, addSVGElementFromJson, pathActions$$1) {
     if (!elems || !elems.length) {
       return false;
     }
 
-    var fullBb = void 0;
+    var fullBb;
     $$2.each(elems, function () {
       if (fullBb) {
         return;
       }
+
       if (!this.parentNode) {
         return;
       }
-      fullBb = getBBoxWithTransform(this, addSVGElementFromJson, pathActions$$1);
-    });
 
-    // This shouldn't ever happen...
+      fullBb = getBBoxWithTransform(this, addSVGElementFromJson, pathActions$$1);
+    }); // This shouldn't ever happen...
+
     if (fullBb === undefined) {
       return null;
-    }
-
-    // fullBb doesn't include the stoke, so this does no good!
+    } // fullBb doesn't include the stoke, so this does no good!
     // if (elems.length == 1) return fullBb;
 
+
     var maxX = fullBb.x + fullBb.width;
     var maxY = fullBb.y + fullBb.height;
     var minX = fullBb.x;
-    var minY = fullBb.y;
+    var minY = fullBb.y; // If only one elem, don't call the potentially slow getBBoxWithTransform method again.
 
-    // If only one elem, don't call the potentially slow getBBoxWithTransform method again.
     if (elems.length === 1) {
       var offset = getStrokeOffsetForBBox(elems[0]);
       minX -= offset;
@@ -8193,11 +8908,13 @@
     } else {
       $$2.each(elems, function (i, elem) {
         var curBb = getBBoxWithTransform(elem, addSVGElementFromJson, pathActions$$1);
+
         if (curBb) {
           var _offset = getStrokeOffsetForBBox(elem);
+
           minX = Math.min(minX, curBb.x - _offset);
-          minY = Math.min(minY, curBb.y - _offset);
-          // TODO: The old code had this test for max, but not min. I suspect this test should be for both min and max
+          minY = Math.min(minY, curBb.y - _offset); // TODO: The old code had this test for max, but not min. I suspect this test should be for both min and max
+
           if (elem.nodeType === 1) {
             maxX = Math.max(maxX, curBb.x + curBb.width + _offset);
             maxY = Math.max(maxY, curBb.y + curBb.height + _offset);
@@ -8212,7 +8929,6 @@
     fullBb.height = maxY - minY;
     return fullBb;
   };
-
   /**
   * Get all elements that have a BBox (excludes `<defs>`, `<title>`, etc).
   * Note that 0-opacity, off-screen etc elements are still considered "visible"
@@ -8221,6 +8937,7 @@
   * @param {Element} parent - The parent DOM element to search within
   * @returns {Element[]} All "visible" elements.
   */
+
   var getVisibleElements = function getVisibleElements(parent) {
     if (!parent) {
       parent = $$2(editorContext_$1.getSVGContent()).children(); // Prevent layers from being included
@@ -8234,20 +8951,20 @@
     });
     return contentElems.reverse();
   };
-
   /**
   * Get the bounding box for one or more stroked and/or transformed elements
   * @function module:utilities.getStrokedBBoxDefaultVisible
   * @param {Element[]} elems - Array with DOM elements to check
   * @returns {module:utilities.BBoxObject} A single bounding box object
   */
+
   var getStrokedBBoxDefaultVisible = function getStrokedBBoxDefaultVisible(elems) {
     if (!elems) {
       elems = getVisibleElements();
     }
+
     return getStrokedBBox(elems, editorContext_$1.addSVGElementFromJson, editorContext_$1.pathActions);
   };
-
   /**
   * Get the rotation angle of the given transform list.
   * @function module:utilities.getRotationAngleFromTransformList
@@ -8255,20 +8972,25 @@
   * @param {boolean} toRad - When true returns the value in radians rather than degrees
   * @returns {Float} The angle in degrees or radians
   */
+
   var getRotationAngleFromTransformList = function getRotationAngleFromTransformList(tlist, toRad) {
     if (!tlist) {
       return 0;
     } // <svg> elements have no tlist
+
+
     var N = tlist.numberOfItems;
+
     for (var i = 0; i < N; ++i) {
       var xform = tlist.getItem(i);
+
       if (xform.type === 4) {
         return toRad ? xform.angle * Math.PI / 180.0 : xform.angle;
       }
     }
+
     return 0.0;
   };
-
   /**
   * Get the rotation angle of the given/selected DOM element
   * @function module:utilities.getRotationAngle
@@ -8276,29 +8998,30 @@
   * @param {boolean} [toRad=false] - When true returns the value in radians rather than degrees
   * @returns {Float} The angle in degrees or radians
   */
+
   var getRotationAngle = function getRotationAngle(elem, toRad) {
-    var selected = elem || editorContext_$1.getSelectedElements()[0];
-    // find the rotation transform (if any) and set it
+    var selected = elem || editorContext_$1.getSelectedElements()[0]; // find the rotation transform (if any) and set it
+
     var tlist = getTransformList(selected);
     return getRotationAngleFromTransformList(tlist, toRad);
   };
-
   /**
   * Get the reference element associated with the given attribute value
   * @function module:utilities.getRefElem
   * @param {string} attrVal - The attribute value as a string
   * @returns {Element} Reference element
   */
+
   var getRefElem = function getRefElem(attrVal) {
     return getElem(getUrlFromAttr(attrVal).substr(1));
   };
-
   /**
   * Get a DOM element by ID within the SVG root element.
   * @function module:utilities.getElem
   * @param {string} id - String with the element's new ID
   * @returns {Element}
   */
+
   var getElem = supportsSelectors() ? function (id) {
     // querySelector lookup
     return svgroot_.querySelector('#' + id);
@@ -8311,7 +9034,6 @@
     // jQuery lookup: twice as slow as xpath in FF
     return $$2(svgroot_).find('[id=' + id + ']')[0];
   };
-
   /**
   * Assigns multiple attributes to an element.
   * @function module:utilities.assignAttributes
@@ -8321,54 +9043,35 @@
   * @param {boolean} [unitCheck=false] - Boolean to indicate the need to use units.setUnitAttr
   * @returns {undefined}
   */
+
   var assignAttributes = function assignAttributes(elem, attrs, suspendLength, unitCheck) {
-    var _iteratorNormalCompletion = true;
-    var _didIteratorError = false;
-    var _iteratorError = undefined;
+    var _arr = Object.entries(attrs);
 
-    try {
-      for (var _iterator = Object.entries(attrs)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
-        var _ref4 = _step.value;
+    for (var _i = 0; _i < _arr.length; _i++) {
+      var _arr$_i = _slicedToArray(_arr[_i], 2),
+          key = _arr$_i[0],
+          value = _arr$_i[1];
 
-        var _ref5 = slicedToArray(_ref4, 2);
+      var ns = key.substr(0, 4) === 'xml:' ? NS.XML : key.substr(0, 6) === 'xlink:' ? NS.XLINK : null;
 
-        var key = _ref5[0];
-        var value = _ref5[1];
-
-        var ns = key.substr(0, 4) === 'xml:' ? NS.XML : key.substr(0, 6) === 'xlink:' ? NS.XLINK : null;
-
-        if (ns) {
-          elem.setAttributeNS(ns, key, value);
-        } else if (!unitCheck) {
-          elem.setAttribute(key, value);
-        } else {
-          setUnitAttr(elem, key, value);
-        }
-      }
-    } catch (err) {
-      _didIteratorError = true;
-      _iteratorError = err;
-    } finally {
-      try {
-        if (!_iteratorNormalCompletion && _iterator.return) {
-          _iterator.return();
-        }
-      } finally {
-        if (_didIteratorError) {
-          throw _iteratorError;
-        }
+      if (ns) {
+        elem.setAttributeNS(ns, key, value);
+      } else if (!unitCheck) {
+        elem.setAttribute(key, value);
+      } else {
+        setUnitAttr(elem, key, value);
       }
     }
   };
-
   /**
   * Remove unneeded (default) attributes, makes resulting SVG smaller
   * @function module:utilities.cleanupElement
   * @param {Element} element - DOM element to clean up
   * @returns {undefined}
   */
+
   var cleanupElement = function cleanupElement(element) {
-    var defaults$$1 = {
+    var defaults = {
       'fill-opacity': 1,
       'stop-opacity': 1,
       opacity: 1,
@@ -8384,61 +9087,64 @@
 
     if (element.nodeName === 'ellipse') {
       // Ellipse elements require rx and ry attributes
-      delete defaults$$1.rx;
-      delete defaults$$1.ry;
+      delete defaults.rx;
+      delete defaults.ry;
     }
 
-    for (var attr in defaults$$1) {
-      var val = defaults$$1[attr];
+    for (var attr in defaults) {
+      var val = defaults[attr];
+
       if (element.getAttribute(attr) === String(val)) {
         element.removeAttribute(attr);
       }
     }
   };
-
   /**
   * Round value to for snapping
   * @function module:utilities.snapToGrid
   * @param {Float} value
   * @returns {Integer}
   */
+
   var snapToGrid = function snapToGrid(value) {
     var unit = editorContext_$1.getBaseUnit();
     var stepSize = editorContext_$1.getSnappingStep();
+
     if (unit !== 'px') {
       stepSize *= getTypeMap()[unit];
     }
+
     value = Math.round(value / stepSize) * stepSize;
     return value;
   };
-
   /**
   * Escapes special characters in a regular expression
   * @function module:utilities.regexEscape
   * @param {string} str
   * @returns {string}
   */
+
   var regexEscape = function regexEscape(str) {
     // From: http://phpjs.org/functions
     return String(str).replace(new RegExp('[.\\\\+*?\\[\\^\\]$(){}=!<>|:\\-]', 'g'), '\\$&');
   };
-
   /**
    * Prevents default browser click behaviour on the given element
    * @function module:utilities.preventClickDefault
    * @param {Element} img - The DOM element to prevent the click on
    * @returns {undefined}
    */
+
   var preventClickDefault = function preventClickDefault(img) {
     $$2(img).click(function (e) {
       e.preventDefault();
     });
   };
-
   /**
    * @callback module:utilities.GetNextID
    * @returns {string} The ID
    */
+
   /**
    * Create a clone of an element, updating its ID and its children's IDs when needed
    * @function module:utilities.copyElem
@@ -8446,6 +9152,7 @@
    * @param {module:utilities.GetNextID} getNextId - The getter of the next unique ID.
    * @returns {Element} The cloned element
    */
+
   var copyElem = function copyElem(el, getNextId) {
     // manually create a copy of the element
     var newEl = document.createElementNS(el.namespaceURI, el.nodeName);
@@ -8453,29 +9160,30 @@
       if (attr.localName !== '-moz-math-font-style') {
         newEl.setAttributeNS(attr.namespaceURI, attr.nodeName, attr.value);
       }
-    });
-    // set the copied element's new id
-    newEl.removeAttribute('id');
-    newEl.id = getNextId();
+    }); // set the copied element's new id
 
-    // Opera's "d" value needs to be reset for Opera/Win/non-EN
+    newEl.removeAttribute('id');
+    newEl.id = getNextId(); // Opera's "d" value needs to be reset for Opera/Win/non-EN
     // Also needed for webkit (else does not keep curved segments on clone)
+
     if (isWebkit() && el.nodeName === 'path') {
       var fixedD = convertPath(el);
       newEl.setAttribute('d', fixedD);
-    }
+    } // now create copies of all children
+
 
-    // now create copies of all children
     $$2.each(el.childNodes, function (i, child) {
       switch (child.nodeType) {
         case 1:
           // element node
           newEl.append(copyElem(child, getNextId));
           break;
+
         case 3:
           // text node
           newEl.textContent = child.nodeValue;
           break;
+
         default:
           break;
       }
@@ -8494,6 +9202,7 @@
   };
 
   /* globals jQuery */
+
   /**
    * Adds context menu functionality
    * @module contextmenu
@@ -8502,47 +9211,47 @@
    */
   // Dependencies:
   // 1) jQuery (for dom injection of context menus)
-
   var $$3 = jQuery;
-
   var contextMenuExtensions = {};
-
   /**
   * @function module:contextmenu.hasCustomHandler
   * @param {string} handlerKey
   * @returns {boolean}
   */
+
   var hasCustomHandler = function hasCustomHandler(handlerKey) {
     return Boolean(contextMenuExtensions[handlerKey]);
   };
-
   /**
   * @function module:contextmenu.getCustomHandler
   * @param {string} handlerKey
   * @returns {module:contextmenu.MenuItemAction}
   */
+
   var getCustomHandler = function getCustomHandler(handlerKey) {
     return contextMenuExtensions[handlerKey].action;
   };
-
   /**
   * @param {module:contextmenu.MenuItem} menuItem
   * @returns {undefined}
   */
+
   var injectExtendedContextMenuItemIntoDom = function injectExtendedContextMenuItemIntoDom(menuItem) {
     if (!Object.keys(contextMenuExtensions).length) {
       // all menuItems appear at the bottom of the menu in their own container.
       // if this is the first extension menu we need to add the separator.
       $$3('#cmenu_canvas').append("<li class='separator'>");
     }
+
     var shortcut = menuItem.shortcut || '';
     $$3('#cmenu_canvas').append("<li class='disabled'><a href='#" + menuItem.id + "'>" + menuItem.label + "<span class='shortcut'>" + shortcut + '</span></a></li>');
   };
-
   /**
   * @function module:contextmenu.injectExtendedContextMenuItemsIntoDom
   * @returns {undefined}
   */
+
+
   var injectExtendedContextMenuItemsIntoDom = function injectExtendedContextMenuItemsIntoDom() {
     for (var menuItem in contextMenuExtensions) {
       injectExtendedContextMenuItemIntoDom(contextMenuExtensions[menuItem]);
@@ -8555,10 +9264,10 @@
   /**
    * @module importModule
    */
-
   function toAbsoluteURL(url) {
     var a = document.createElement('a');
     a.setAttribute('href', url); // <a href="hoge.html">
+
     return a.cloneNode(false).href; // -> "http://example.com/hoge.html"
   }
 
@@ -8568,85 +9277,97 @@
         script[prop] = atts[prop];
       }
     });
-  }
+  } // Additions by Brett
 
-  // Additions by Brett
   /**
   * @typedef {PlainObject} module:importModule.ImportConfig
   * @property {string} global The variable name to set on `window` (when not using the modular version)
   * @property {boolean} [returnDefault=false]
   */
+
   /**
   * @function module:importModule.importSetGlobalDefault
   * @param {string} url
   * @param {module:importModule.ImportConfig} config
   * @returns {*} The return depends on the export of the targeted module.
   */
-  var importSetGlobalDefault = function () {
-    var _ref = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(url, config) {
-      return regeneratorRuntime.wrap(function _callee$(_context) {
-        while (1) {
-          switch (_context.prev = _context.next) {
-            case 0:
-              return _context.abrupt('return', importSetGlobal(url, _extends({}, config, { returnDefault: true })));
 
-            case 1:
-            case 'end':
-              return _context.stop();
-          }
-        }
-      }, _callee, this);
-    }));
 
-    return function importSetGlobalDefault(_x, _x2) {
-      return _ref.apply(this, arguments);
-    };
-  }();
+  function importSetGlobalDefault(_x, _x2) {
+    return _importSetGlobalDefault.apply(this, arguments);
+  }
   /**
   * @function module:importModule.importSetGlobal
   * @param {string} url
   * @param {module:importModule.ImportConfig} config
   * @returns {ArbitraryModule|*} The return depends on the export of the targeted module.
   */
-  var importSetGlobal = function () {
-    var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(url, _ref2) {
-      var global = _ref2.global,
-          returnDefault = _ref2.returnDefault;
-      var modularVersion;
+
+  function _importSetGlobalDefault() {
+    _importSetGlobalDefault = _asyncToGenerator(
+    /*#__PURE__*/
+    regeneratorRuntime.mark(function _callee(url, config) {
+      return regeneratorRuntime.wrap(function _callee$(_context) {
+        while (1) {
+          switch (_context.prev = _context.next) {
+            case 0:
+              return _context.abrupt("return", importSetGlobal(url, _extends({}, config, {
+                returnDefault: true
+              })));
+
+            case 1:
+            case "end":
+              return _context.stop();
+          }
+        }
+      }, _callee, this);
+    }));
+    return _importSetGlobalDefault.apply(this, arguments);
+  }
+
+  function importSetGlobal(_x3, _x4) {
+    return _importSetGlobal.apply(this, arguments);
+  } // Addition by Brett
+
+  function _importSetGlobal() {
+    _importSetGlobal = _asyncToGenerator(
+    /*#__PURE__*/
+    regeneratorRuntime.mark(function _callee2(url, _ref) {
+      var global, returnDefault, modularVersion;
       return regeneratorRuntime.wrap(function _callee2$(_context2) {
         while (1) {
           switch (_context2.prev = _context2.next) {
             case 0:
+              global = _ref.global, returnDefault = _ref.returnDefault;
               // Todo: Replace calls to this function with `import()` when supported
               modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false;
 
               if (!modularVersion) {
-                _context2.next = 3;
+                _context2.next = 4;
                 break;
               }
 
-              return _context2.abrupt('return', importModule(url, undefined, { returnDefault: returnDefault }));
+              return _context2.abrupt("return", importModule(url, undefined, {
+                returnDefault: returnDefault
+              }));
 
-            case 3:
-              _context2.next = 5;
+            case 4:
+              _context2.next = 6;
               return importScript(url);
 
-            case 5:
-              return _context2.abrupt('return', window[global]);
-
             case 6:
-            case 'end':
+              return _context2.abrupt("return", window[global]);
+
+            case 7:
+            case "end":
               return _context2.stop();
           }
         }
       }, _callee2, this);
     }));
+    return _importSetGlobal.apply(this, arguments);
+  }
 
-    return function importSetGlobal(_x3, _x4) {
-      return _ref3.apply(this, arguments);
-    };
-  }();
-  // Addition by Brett
   function importScript(url) {
     var atts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
 
@@ -8655,45 +9376,51 @@
         return importScript(u, atts);
       }));
     }
+
     return new Promise(function (resolve, reject) {
       var script = document.createElement('script');
+
       var destructor = function destructor() {
         script.onerror = null;
         script.onload = null;
         script.remove();
         script.src = '';
       };
+
       script.defer = 'defer';
       addScriptAtts(script, atts);
+
       script.onerror = function () {
-        reject(new Error('Failed to import: ' + url));
+        reject(new Error("Failed to import: ".concat(url)));
         destructor();
       };
+
       script.onload = function () {
         resolve();
         destructor();
       };
-      script.src = url;
 
+      script.src = url;
       document.head.append(script);
     });
   }
-
   function importModule(url) {
     var atts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
 
-    var _ref4 = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
-        _ref4$returnDefault = _ref4.returnDefault,
-        returnDefault = _ref4$returnDefault === undefined ? false : _ref4$returnDefault;
+    var _ref2 = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
+        _ref2$returnDefault = _ref2.returnDefault,
+        returnDefault = _ref2$returnDefault === void 0 ? false : _ref2$returnDefault;
 
     if (Array.isArray(url)) {
       return Promise.all(url.map(function (u) {
         return importModule(u, atts);
       }));
     }
+
     return new Promise(function (resolve, reject) {
       var vector = '$importModule$' + Math.random().toString(32).slice(2);
       var script = document.createElement('script');
+
       var destructor = function destructor() {
         delete window[vector];
         script.onerror = null;
@@ -8702,30 +9429,33 @@
         URL.revokeObjectURL(script.src);
         script.src = '';
       };
+
       addScriptAtts(script, atts);
       script.defer = 'defer';
       script.type = 'module';
+
       script.onerror = function () {
-        reject(new Error('Failed to import: ' + url));
+        reject(new Error("Failed to import: ".concat(url)));
         destructor();
       };
+
       script.onload = function () {
         resolve(window[vector]);
         destructor();
       };
-      var absURL = toAbsoluteURL(url);
-      var loader = 'import * as m from \'' + absURL.replace(/'/g, "\\'") + '\'; window.' + vector + ' = ' + (returnDefault ? 'm.default || ' : '') + 'm;'; // export Module
-      var blob = new Blob([loader], { type: 'text/javascript' });
-      script.src = URL.createObjectURL(blob);
 
+      var absURL = toAbsoluteURL(url);
+      var loader = "import * as m from '".concat(absURL.replace(/'/g, "\\'"), "'; window.").concat(vector, " = ").concat(returnDefault ? 'm.default || ' : '', "m;"); // export Module
+
+      var blob = new Blob([loader], {
+        type: 'text/javascript'
+      });
+      script.src = URL.createObjectURL(blob);
       document.head.append(script);
     });
   }
 
-  /* globals jQuery */
-
   var $$4 = jQuery;
-
   /**
    * This class encapsulates the concept of a layer in the drawing. It can be constructed with
    * an existing group element or, with three parameters, will create a new layer group element.
@@ -8737,7 +9467,9 @@
    * @memberof module:layer
    */
 
-  var Layer = function () {
+  var Layer =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {string} name - Layer name
     * @param {SVGGElement|null} group - An existing SVG group element or null.
@@ -8748,7 +9480,7 @@
     *     a new layer to the document.
     */
     function Layer(name, group, svgElem) {
-      classCallCheck(this, Layer);
+      _classCallCheck(this, Layer);
 
       this.name_ = name;
       this.group_ = svgElem ? null : group;
@@ -8760,6 +9492,7 @@
         var layerTitle = svgdoc.createElementNS(NS.SVG, 'title');
         layerTitle.textContent = name;
         this.group_.append(layerTitle);
+
         if (group) {
           $$4(group).after(this.group_);
         } else {
@@ -8771,55 +9504,49 @@
       walkTree(this.group_, function (e) {
         e.setAttribute('style', 'pointer-events:inherit');
       });
-
       this.group_.setAttribute('style', svgElem ? 'pointer-events:all' : 'pointer-events:none');
     }
-
     /**
      * Get the layer's name.
      * @returns {string} The layer name
      */
 
 
-    createClass(Layer, [{
-      key: 'getName',
+    _createClass(Layer, [{
+      key: "getName",
       value: function getName() {
         return this.name_;
       }
-
       /**
        * Get the group element for this layer.
        * @returns {SVGGElement} The layer SVG group
        */
 
     }, {
-      key: 'getGroup',
+      key: "getGroup",
       value: function getGroup() {
         return this.group_;
       }
-
       /**
        * Active this layer so it takes pointer events.
        * @returns {undefined}
        */
 
     }, {
-      key: 'activate',
+      key: "activate",
       value: function activate() {
         this.group_.setAttribute('style', 'pointer-events:all');
       }
-
       /**
        * Deactive this layer so it does NOT take pointer events.
        * @returns {undefined}
        */
 
     }, {
-      key: 'deactivate',
+      key: "deactivate",
       value: function deactivate() {
         this.group_.setAttribute('style', 'pointer-events:none');
       }
-
       /**
        * Set this layer visible or hidden based on 'visible' parameter.
        * @param {boolean} visible - If true, make visible; otherwise, hide it.
@@ -8827,41 +9554,41 @@
        */
 
     }, {
-      key: 'setVisible',
+      key: "setVisible",
       value: function setVisible(visible) {
         var expected = visible === undefined || visible ? 'inline' : 'none';
         var oldDisplay = this.group_.getAttribute('display');
+
         if (oldDisplay !== expected) {
           this.group_.setAttribute('display', expected);
         }
       }
-
       /**
        * Is this layer visible?
        * @returns {boolean} True if visible.
        */
 
     }, {
-      key: 'isVisible',
+      key: "isVisible",
       value: function isVisible() {
         return this.group_.getAttribute('display') !== 'none';
       }
-
       /**
        * Get layer opacity.
        * @returns {Float} Opacity value.
        */
 
     }, {
-      key: 'getOpacity',
+      key: "getOpacity",
       value: function getOpacity() {
         var opacity = this.group_.getAttribute('opacity');
+
         if (opacity === null || opacity === undefined) {
           return 1;
         }
+
         return parseFloat(opacity);
       }
-
       /**
        * Sets the opacity of this layer. If opacity is not a value between 0.0 and 1.0,
        * nothing happens.
@@ -8870,13 +9597,12 @@
        */
 
     }, {
-      key: 'setOpacity',
+      key: "setOpacity",
       value: function setOpacity(opacity) {
         if (typeof opacity === 'number' && opacity >= 0.0 && opacity <= 1.0) {
           this.group_.setAttribute('opacity', opacity);
         }
       }
-
       /**
        * Append children to this layer.
        * @param {SVGGElement} children - The children to append to this layer.
@@ -8884,30 +9610,31 @@
        */
 
     }, {
-      key: 'appendChildren',
+      key: "appendChildren",
       value: function appendChildren(children) {
         for (var i = 0; i < children.length; ++i) {
           this.group_.append(children[i]);
         }
       }
-
       /**
       * @returns {SVGTitleElement|null}
       */
 
     }, {
-      key: 'getTitleElement',
+      key: "getTitleElement",
       value: function getTitleElement() {
         var len = this.group_.childNodes.length;
+
         for (var i = 0; i < len; ++i) {
           var child = this.group_.childNodes.item(i);
+
           if (child && child.tagName === 'title') {
             return child;
           }
         }
+
         return null;
       }
-
       /**
        * Set the name of this layer.
        * @param {string} name - The new name.
@@ -8916,24 +9643,29 @@
        */
 
     }, {
-      key: 'setName',
+      key: "setName",
       value: function setName(name, hrService) {
         var previousName = this.name_;
-        name = toXml(name);
-        // now change the underlying title element contents
+        name = toXml(name); // now change the underlying title element contents
+
         var title = this.getTitleElement();
+
         if (title) {
           $$4(title).empty();
           title.textContent = name;
           this.name_ = name;
+
           if (hrService) {
-            hrService.changeElement(title, { '#text': previousName });
+            hrService.changeElement(title, {
+              '#text': previousName
+            });
           }
+
           return this.name_;
         }
+
         return null;
       }
-
       /**
        * Remove this layer's group from the DOM. No more functions on group can be called after this.
        * @param {SVGGElement} children - The children to append to this layer.
@@ -8941,7 +9673,7 @@
        */
 
     }, {
-      key: 'removeGroup',
+      key: "removeGroup",
       value: function removeGroup() {
         var parent = this.group_.parentNode;
         var group = parent.removeChild(this.group_);
@@ -8949,6 +9681,7 @@
         return group;
       }
     }]);
+
     return Layer;
   }();
   /**
@@ -8957,20 +9690,21 @@
 
 
   Layer.CLASS_NAME = 'layer';
-
   /**
    * @property {RegExp} CLASS_REGEX - Used to test presence of class Layer.CLASS_NAME
    */
-  Layer.CLASS_REGEX = new RegExp('(\\s|^)' + Layer.CLASS_NAME + '(\\s|$)');
 
+  Layer.CLASS_REGEX = new RegExp('(\\s|^)' + Layer.CLASS_NAME + '(\\s|$)');
   /**
    * Add class `Layer.CLASS_NAME` to the element (usually `class='layer'`).
    *
    * @param {SVGGElement} elem - The SVG element to update
    * @returns {undefined}
    */
+
   function addLayerClass(elem) {
     var classes = elem.getAttribute('class');
+
     if (classes === null || classes === undefined || !classes.length) {
       elem.setAttribute('class', Layer.CLASS_NAME);
     } else if (!Layer.CLASS_REGEX.test(classes)) {
@@ -8978,13 +9712,6 @@
     }
   }
 
-  /**
-   * HistoryRecordingService component of history
-   * @module history
-   * @license MIT
-   * @copyright 2016 Flint O'Brien
-   */
-
   /**
    * History recording service.
    *
@@ -9018,20 +9745,21 @@
    * @memberof module:history
    */
 
-  var HistoryRecordingService = function () {
+  var HistoryRecordingService =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {history.UndoManager|null} undoManager - The undo manager.
     *     A value of `null` is valid for cases where no history recording is required.
     *     See singleton: {@link module:history.HistoryRecordingService.HistoryRecordingService.NO_HISTORY}
     */
     function HistoryRecordingService(undoManager) {
-      classCallCheck(this, HistoryRecordingService);
+      _classCallCheck(this, HistoryRecordingService);
 
       this.undoManager_ = undoManager;
       this.currentBatchCommand_ = null;
       this.batchCommandStack_ = [];
     }
-
     /**
      * Start a batch command so multiple commands can recorded as a single history command.
      * Requires a corresponding call to endBatchCommand. Start and end commands can be nested.
@@ -9041,39 +9769,39 @@
      */
 
 
-    createClass(HistoryRecordingService, [{
-      key: 'startBatchCommand',
+    _createClass(HistoryRecordingService, [{
+      key: "startBatchCommand",
       value: function startBatchCommand(text) {
         if (!this.undoManager_) {
           return this;
         }
+
         this.currentBatchCommand_ = new BatchCommand(text);
         this.batchCommandStack_.push(this.currentBatchCommand_);
         return this;
       }
-
       /**
        * End a batch command and add it to the history or a parent batch command.
        * @returns {module:history.HistoryRecordingService}
        */
 
     }, {
-      key: 'endBatchCommand',
+      key: "endBatchCommand",
       value: function endBatchCommand() {
         if (!this.undoManager_) {
           return this;
         }
+
         if (this.currentBatchCommand_) {
           var batchCommand = this.currentBatchCommand_;
           this.batchCommandStack_.pop();
           var length = this.batchCommandStack_.length;
-
           this.currentBatchCommand_ = length ? this.batchCommandStack_[length - 1] : null;
           this.addCommand_(batchCommand);
         }
+
         return this;
       }
-
       /**
        * Add a MoveElementCommand to the history or current batch command
        * @param {Element} elem - The DOM element that was moved
@@ -9084,15 +9812,15 @@
        */
 
     }, {
-      key: 'moveElement',
+      key: "moveElement",
       value: function moveElement(elem, oldNextSibling, oldParent, text) {
         if (!this.undoManager_) {
           return this;
         }
+
         this.addCommand_(new MoveElementCommand(elem, oldNextSibling, oldParent, text));
         return this;
       }
-
       /**
        * Add an InsertElementCommand to the history or current batch command
        * @param {Element} elem - The DOM element that was added
@@ -9101,15 +9829,15 @@
        */
 
     }, {
-      key: 'insertElement',
+      key: "insertElement",
       value: function insertElement(elem, text) {
         if (!this.undoManager_) {
           return this;
         }
+
         this.addCommand_(new InsertElementCommand(elem, text));
         return this;
       }
-
       /**
        * Add a RemoveElementCommand to the history or current batch command
        * @param {Element} elem - The DOM element that was removed
@@ -9120,15 +9848,15 @@
        */
 
     }, {
-      key: 'removeElement',
+      key: "removeElement",
       value: function removeElement(elem, oldNextSibling, oldParent, text) {
         if (!this.undoManager_) {
           return this;
         }
+
         this.addCommand_(new RemoveElementCommand(elem, oldNextSibling, oldParent, text));
         return this;
       }
-
       /**
        * Add a ChangeElementCommand to the history or current batch command
        * @param {Element} elem - The DOM element that was changed
@@ -9138,15 +9866,15 @@
        */
 
     }, {
-      key: 'changeElement',
+      key: "changeElement",
       value: function changeElement(elem, attrs, text) {
         if (!this.undoManager_) {
           return this;
         }
+
         this.addCommand_(new ChangeElementCommand(elem, attrs, text));
         return this;
       }
-
       /**
        * Private function to add a command to the history or current batch command.
        * @private
@@ -9155,11 +9883,12 @@
        */
 
     }, {
-      key: 'addCommand_',
+      key: "addCommand_",
       value: function addCommand_(cmd) {
         if (!this.undoManager_) {
           return this;
         }
+
         if (this.currentBatchCommand_) {
           this.currentBatchCommand_.addSubCommand(cmd);
         } else {
@@ -9167,6 +9896,7 @@
         }
       }
     }]);
+
     return HistoryRecordingService;
   }();
   /**
@@ -9177,59 +9907,60 @@
 
   HistoryRecordingService.NO_HISTORY = new HistoryRecordingService();
 
-  /* globals jQuery */
-
   var $$5 = jQuery;
-
   var visElems$1 = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use'.split(',');
-
   var RandomizeModes = {
     LET_DOCUMENT_DECIDE: 0,
     ALWAYS_RANDOMIZE: 1,
     NEVER_RANDOMIZE: 2
   };
-  var randIds = RandomizeModes.LET_DOCUMENT_DECIDE;
-  // Array with current disabled elements (for in-group editing)
-  var disabledElems = [];
+  var randIds = RandomizeModes.LET_DOCUMENT_DECIDE; // Array with current disabled elements (for in-group editing)
 
+  var disabledElems = [];
   /**
    * Get a HistoryRecordingService.
    * @param {module:history.HistoryRecordingService} [hrService] - if exists, return it instead of creating a new service.
    * @returns {module:history.HistoryRecordingService}
    */
+
   function historyRecordingService(hrService) {
     return hrService || new HistoryRecordingService(canvas_.undoMgr);
   }
-
   /**
    * Find the layer name in a group element.
    * @param {Element} group The group element to search in.
    * @returns {string} The layer name or empty string.
    */
+
+
   function findLayerNameInGroup(group) {
-    return $$5('title', group).text() || (isOpera() && group.querySelectorAll
-    // Hack for Opera 10.60
+    return $$5('title', group).text() || (isOpera() && group.querySelectorAll // Hack for Opera 10.60
     ? $$5(group.querySelectorAll('title')).text() : '');
   }
-
   /**
    * Given a set of names, return a new unique name.
    * @param {string[]} existingLayerNames - Existing layer names.
    * @returns {string} - The new name.
    */
+
+
   function getNewLayerName(existingLayerNames) {
-    var i = 1;
-    // TODO(codedread): What about internationalization of "Layer"?
+    var i = 1; // TODO(codedread): What about internationalization of "Layer"?
+
     while (existingLayerNames.includes('Layer ' + i)) {
       i++;
     }
+
     return 'Layer ' + i;
   }
-
   /**
    * This class encapsulates the concept of a SVG-edit drawing
    */
-  var Drawing = function () {
+
+
+  var Drawing =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {SVGSVGElement} svgElem - The SVG DOM Element that this JS object
     *     encapsulates.  If the svgElem has a se:nonce attribute on it, then
@@ -9238,44 +9969,44 @@
     * @throws {Error} If not initialized with an SVG element
     */
     function Drawing(svgElem, optIdPrefix) {
-      classCallCheck(this, Drawing);
+      _classCallCheck(this, Drawing);
 
       if (!svgElem || !svgElem.tagName || !svgElem.namespaceURI || svgElem.tagName !== 'svg' || svgElem.namespaceURI !== NS.SVG) {
         throw new Error('Error: svgedit.draw.Drawing instance initialized without a <svg> element');
       }
-
       /**
       * The SVG DOM Element that represents this drawing.
       * @type {SVGSVGElement}
       */
-      this.svgElem_ = svgElem;
 
+
+      this.svgElem_ = svgElem;
       /**
       * The latest object number used in this drawing.
       * @type {Integer}
       */
-      this.obj_num = 0;
 
+      this.obj_num = 0;
       /**
       * The prefix to prepend to each element id in the drawing.
       * @type {string}
       */
-      this.idPrefix = optIdPrefix || 'svg_';
 
+      this.idPrefix = optIdPrefix || 'svg_';
       /**
       * An array of released element ids to immediately reuse.
       * @type {Integer[]}
       */
-      this.releasedNums = [];
 
+      this.releasedNums = [];
       /**
       * The z-ordered array of Layer objects. Each layer has a name
       * and group element.
       * The first layer is the one at the bottom of the rendering.
       * @type {Layer[]}
       */
-      this.all_layers = [];
 
+      this.all_layers = [];
       /**
       * Map of all_layers by name.
       *
@@ -9284,142 +10015,139 @@
       *
       * @type {PlainObject.<string, Layer>}
       */
-      this.layer_map = {};
 
+      this.layer_map = {};
       /**
       * The current layer being used.
       * @type {Layer}
       */
-      this.current_layer = null;
 
+      this.current_layer = null;
       /**
       * The nonce to use to uniquely identify elements across drawings.
       * @type {!String}
       */
+
       this.nonce_ = '';
-      var n = this.svgElem_.getAttributeNS(NS.SE, 'nonce');
-      // If already set in the DOM, use the nonce throughout the document
+      var n = this.svgElem_.getAttributeNS(NS.SE, 'nonce'); // If already set in the DOM, use the nonce throughout the document
       // else, if randomizeIds(true) has been called, create and set the nonce.
+
       if (!!n && randIds !== RandomizeModes.NEVER_RANDOMIZE) {
         this.nonce_ = n;
       } else if (randIds === RandomizeModes.ALWAYS_RANDOMIZE) {
         this.setNonce(Math.floor(Math.random() * 100001));
       }
     }
-
     /**
      * @param {string} id Element ID to retrieve
      * @returns {Element} SVG element within the root SVGSVGElement
     */
 
 
-    createClass(Drawing, [{
-      key: 'getElem_',
+    _createClass(Drawing, [{
+      key: "getElem_",
       value: function getElem_(id) {
         if (this.svgElem_.querySelector) {
           // querySelector lookup
           return this.svgElem_.querySelector('#' + id);
-        }
-        // jQuery lookup: twice as slow as xpath in FF
+        } // jQuery lookup: twice as slow as xpath in FF
+
+
         return $$5(this.svgElem_).find('[id=' + id + ']')[0];
       }
-
       /**
        * @returns {SVGSVGElement}
        */
 
     }, {
-      key: 'getSvgElem',
+      key: "getSvgElem",
       value: function getSvgElem() {
         return this.svgElem_;
       }
-
       /**
        * @returns {!(string|Integer)} The previously set nonce
        */
 
     }, {
-      key: 'getNonce',
+      key: "getNonce",
       value: function getNonce() {
         return this.nonce_;
       }
-
       /**
        * @param {!(string|Integer)} n The nonce to set
        * @returns {undefined}
        */
 
     }, {
-      key: 'setNonce',
+      key: "setNonce",
       value: function setNonce(n) {
         this.svgElem_.setAttributeNS(NS.XMLNS, 'xmlns:se', NS.SE);
         this.svgElem_.setAttributeNS(NS.SE, 'se:nonce', n);
         this.nonce_ = n;
       }
-
       /**
        * Clears any previously set nonce
        * @returns {undefined}
        */
 
     }, {
-      key: 'clearNonce',
+      key: "clearNonce",
       value: function clearNonce() {
         // We deliberately leave any se:nonce attributes alone,
         // we just don't use it to randomize ids.
         this.nonce_ = '';
       }
-
       /**
        * Returns the latest object id as a string.
        * @returns {string} The latest object Id.
        */
 
     }, {
-      key: 'getId',
+      key: "getId",
       value: function getId() {
         return this.nonce_ ? this.idPrefix + this.nonce_ + '_' + this.obj_num : this.idPrefix + this.obj_num;
       }
-
       /**
        * Returns the next object Id as a string.
        * @returns {string} The next object Id to use.
        */
 
     }, {
-      key: 'getNextId',
+      key: "getNextId",
       value: function getNextId() {
         var oldObjNum = this.obj_num;
-        var restoreOldObjNum = false;
-
-        // If there are any released numbers in the release stack,
+        var restoreOldObjNum = false; // If there are any released numbers in the release stack,
         // use the last one instead of the next obj_num.
         // We need to temporarily use obj_num as that is what getId() depends on.
+
         if (this.releasedNums.length > 0) {
           this.obj_num = this.releasedNums.pop();
           restoreOldObjNum = true;
         } else {
           // If we are not using a released id, then increment the obj_num.
           this.obj_num++;
-        }
+        } // Ensure the ID does not exist.
+
 
-        // Ensure the ID does not exist.
         var id = this.getId();
+
         while (this.getElem_(id)) {
           if (restoreOldObjNum) {
             this.obj_num = oldObjNum;
             restoreOldObjNum = false;
           }
+
           this.obj_num++;
           id = this.getId();
-        }
-        // Restore the old object number if required.
+        } // Restore the old object number if required.
+
+
         if (restoreOldObjNum) {
           this.obj_num = oldObjNum;
         }
+
         return id;
       }
-
       /**
        * Releases the object Id, letting it be used as the next id in getNextId().
        * This method DOES NOT remove any elements from the DOM, it is expected
@@ -9429,39 +10157,37 @@
       */
 
     }, {
-      key: 'releaseId',
+      key: "releaseId",
       value: function releaseId(id) {
         // confirm if this is a valid id for this Document, else return false
         var front = this.idPrefix + (this.nonce_ ? this.nonce_ + '_' : '');
+
         if (typeof id !== 'string' || !id.startsWith(front)) {
           return false;
-        }
-        // extract the obj_num of this id
-        var num = parseInt(id.substr(front.length), 10);
+        } // extract the obj_num of this id
 
-        // if we didn't get a positive number or we already released this number
+
+        var num = parseInt(id.substr(front.length), 10); // if we didn't get a positive number or we already released this number
         // then return false.
+
         if (typeof num !== 'number' || num <= 0 || this.releasedNums.includes(num)) {
           return false;
-        }
+        } // push the released number into the released queue
+
 
-        // push the released number into the released queue
         this.releasedNums.push(num);
-
         return true;
       }
-
       /**
        * Returns the number of layers in the current drawing.
        * @returns {Integer} The number of layers in the current drawing.
       */
 
     }, {
-      key: 'getNumLayers',
+      key: "getNumLayers",
       value: function getNumLayers() {
         return this.all_layers.length;
       }
-
       /**
        * Check if layer with given name already exists
        * @param {string} name - The layer name to check
@@ -9469,11 +10195,10 @@
       */
 
     }, {
-      key: 'hasLayer',
+      key: "hasLayer",
       value: function hasLayer(name) {
         return this.layer_map[name] !== undefined;
       }
-
       /**
        * Returns the name of the ith layer. If the index is out of range, an empty string is returned.
        * @param {Integer} i - The zero-based index of the layer you are querying.
@@ -9481,33 +10206,30 @@
       */
 
     }, {
-      key: 'getLayerName',
+      key: "getLayerName",
       value: function getLayerName(i) {
         return i >= 0 && i < this.getNumLayers() ? this.all_layers[i].getName() : '';
       }
-
       /**
        * @returns {SVGGElement|null} The SVGGElement representing the current layer.
        */
 
     }, {
-      key: 'getCurrentLayer',
+      key: "getCurrentLayer",
       value: function getCurrentLayer() {
         return this.current_layer ? this.current_layer.getGroup() : null;
       }
-
       /**
        * Get a layer by name.
        * @returns {SVGGElement} The SVGGElement representing the named layer or null.
        */
 
     }, {
-      key: 'getLayerByName',
+      key: "getLayerByName",
       value: function getLayerByName(name) {
         var layer = this.layer_map[name];
         return layer ? layer.getGroup() : null;
       }
-
       /**
        * Returns the name of the currently selected layer. If an error occurs, an empty string
        * is returned.
@@ -9515,11 +10237,10 @@
       */
 
     }, {
-      key: 'getCurrentLayerName',
+      key: "getCurrentLayerName",
       value: function getCurrentLayerName() {
         return this.current_layer ? this.current_layer.getName() : '';
       }
-
       /**
        * Set the current layer's name.
        * @param {string} name - The new name.
@@ -9528,20 +10249,22 @@
        */
 
     }, {
-      key: 'setCurrentLayerName',
+      key: "setCurrentLayerName",
       value: function setCurrentLayerName(name, hrService) {
         var finalName = null;
+
         if (this.current_layer) {
           var oldName = this.current_layer.getName();
           finalName = this.current_layer.setName(name, hrService);
+
           if (finalName) {
             delete this.layer_map[oldName];
             this.layer_map[finalName] = this.current_layer;
           }
         }
+
         return finalName;
       }
-
       /**
        * Set the current layer's position.
        * @param {Integer} newpos - The zero-based index of the new position of the layer. Range should be 0 to layers-1
@@ -9549,20 +10272,23 @@
        */
 
     }, {
-      key: 'setCurrentLayerPosition',
+      key: "setCurrentLayerPosition",
       value: function setCurrentLayerPosition(newpos) {
         var layerCount = this.getNumLayers();
+
         if (!this.current_layer || newpos < 0 || newpos >= layerCount) {
           return null;
         }
 
-        var oldpos = void 0;
+        var oldpos;
+
         for (oldpos = 0; oldpos < layerCount; ++oldpos) {
           if (this.all_layers[oldpos] === this.current_layer) {
             break;
           }
-        }
-        // some unknown error condition (current_layer not in all_layers)
+        } // some unknown error condition (current_layer not in all_layers)
+
+
         if (oldpos === layerCount) {
           return null;
         }
@@ -9571,66 +10297,70 @@
           // if our new position is below us, we need to insert before the node after newpos
           var currentGroup = this.current_layer.getGroup();
           var oldNextSibling = currentGroup.nextSibling;
-
           var refGroup = null;
+
           if (newpos > oldpos) {
             if (newpos < layerCount - 1) {
               refGroup = this.all_layers[newpos + 1].getGroup();
-            }
-            // if our new position is above us, we need to insert before the node at newpos
+            } // if our new position is above us, we need to insert before the node at newpos
+
           } else {
             refGroup = this.all_layers[newpos].getGroup();
           }
+
           this.svgElem_.insertBefore(currentGroup, refGroup); // Ok to replace with `refGroup.before(currentGroup);`?
 
           this.identifyLayers();
           this.setCurrentLayer(this.getLayerName(newpos));
-
           return {
             currentGroup: currentGroup,
             oldNextSibling: oldNextSibling
           };
         }
+
         return null;
       }
-
       /**
       * @param {module:history.HistoryRecordingService} hrService
       * @returns {undefined}
       */
 
     }, {
-      key: 'mergeLayer',
+      key: "mergeLayer",
       value: function mergeLayer(hrService) {
         var currentGroup = this.current_layer.getGroup();
         var prevGroup = $$5(currentGroup).prev()[0];
+
         if (!prevGroup) {
           return;
         }
 
         hrService.startBatchCommand('Merge Layer');
-
         var layerNextSibling = currentGroup.nextSibling;
         hrService.removeElement(currentGroup, layerNextSibling, this.svgElem_);
 
         while (currentGroup.firstChild) {
           var child = currentGroup.firstChild;
+
           if (child.localName === 'title') {
             hrService.removeElement(child, child.nextSibling, currentGroup);
             child.remove();
             continue;
           }
+
           var oldNextSibling = child.nextSibling;
           prevGroup.append(child);
           hrService.moveElement(child, oldNextSibling, currentGroup);
-        }
+        } // Remove current layer's group
+
+
+        this.current_layer.removeGroup(); // Remove the current layer and set the previous layer as the new current layer
 
-        // Remove current layer's group
-        this.current_layer.removeGroup();
-        // Remove the current layer and set the previous layer as the new current layer
         var index = this.all_layers.indexOf(this.current_layer);
+
         if (index > 0) {
           var _name = this.current_layer.getName();
+
           this.current_layer = this.all_layers[index - 1];
           this.all_layers.splice(index, 1);
           delete this.layer_map[_name];
@@ -9638,25 +10368,24 @@
 
         hrService.endBatchCommand();
       }
-
       /**
       * @param {module:history.HistoryRecordingService} hrService
       * @returns {undefined}
       */
 
     }, {
-      key: 'mergeAllLayers',
+      key: "mergeAllLayers",
       value: function mergeAllLayers(hrService) {
         // Set the current layer to the last layer.
         this.current_layer = this.all_layers[this.all_layers.length - 1];
-
         hrService.startBatchCommand('Merge all Layers');
+
         while (this.all_layers.length > 1) {
           this.mergeLayer(hrService);
         }
+
         hrService.endBatchCommand();
       }
-
       /**
        * Sets the current layer. If the name is not a valid layer name, then this
        * function returns `false`. Otherwise it returns `true`. This is not an
@@ -9666,20 +10395,22 @@
        */
 
     }, {
-      key: 'setCurrentLayer',
+      key: "setCurrentLayer",
       value: function setCurrentLayer(name) {
         var layer = this.layer_map[name];
+
         if (layer) {
           if (this.current_layer) {
             this.current_layer.deactivate();
           }
+
           this.current_layer = layer;
           this.current_layer.activate();
           return true;
         }
+
         return false;
       }
-
       /**
        * Deletes the current layer from the drawing and then clears the selection.
        * This function then calls the 'changed' handler.  This is an undoable action.
@@ -9688,16 +10419,16 @@
        */
 
     }, {
-      key: 'deleteCurrentLayer',
+      key: "deleteCurrentLayer",
       value: function deleteCurrentLayer() {
         if (this.current_layer && this.getNumLayers() > 1) {
           var oldLayerGroup = this.current_layer.removeGroup();
           this.identifyLayers();
           return oldLayerGroup;
         }
+
         return null;
       }
-
       /**
        * Updates layer system and sets the current layer to the
        * top-most layer (last `<g>` child of this drawing).
@@ -9705,23 +10436,26 @@
       */
 
     }, {
-      key: 'identifyLayers',
+      key: "identifyLayers",
       value: function identifyLayers() {
         this.all_layers = [];
         this.layer_map = {};
-        var numchildren = this.svgElem_.childNodes.length;
-        // loop through all children of SVG element
+        var numchildren = this.svgElem_.childNodes.length; // loop through all children of SVG element
+
         var orphans = [],
             layernames = [];
         var layer = null;
         var childgroups = false;
+
         for (var i = 0; i < numchildren; ++i) {
-          var child = this.svgElem_.childNodes.item(i);
-          // for each g, find its layer name
+          var child = this.svgElem_.childNodes.item(i); // for each g, find its layer name
+
           if (child && child.nodeType === 1) {
             if (child.tagName === 'g') {
               childgroups = true;
+
               var _name2 = findLayerNameInGroup(child);
+
               if (_name2) {
                 layernames.push(_name2);
                 layer = new Layer(_name2, child);
@@ -9736,9 +10470,9 @@
               orphans.push(child);
             }
           }
-        }
+        } // If orphans or no layers found, create a new layer and add all the orphans to it
+
 
-        // If orphans or no layers found, create a new layer and add all the orphans to it
         if (orphans.length > 0 || !childgroups) {
           layer = new Layer(getNewLayerName(layernames), null, this.svgElem_);
           layer.appendChildren(orphans);
@@ -9747,9 +10481,9 @@
         } else {
           layer.activate();
         }
+
         this.current_layer = layer;
       }
-
       /**
        * Creates a new top-level layer in the drawing with the given name and
        * makes it the current layer.
@@ -9760,19 +10494,20 @@
       */
 
     }, {
-      key: 'createLayer',
+      key: "createLayer",
       value: function createLayer(name, hrService) {
         if (this.current_layer) {
           this.current_layer.deactivate();
-        }
-        // Check for duplicate name.
+        } // Check for duplicate name.
+
+
         if (name === undefined || name === null || name === '' || this.layer_map[name]) {
           name = getNewLayerName(Object.keys(this.layer_map));
-        }
+        } // Crate new layer and add to DOM as last layer
+
+
+        var layer = new Layer(name, null, this.svgElem_); // Like to assume hrService exists, but this is backwards compatible with old version of createLayer.
 
-        // Crate new layer and add to DOM as last layer
-        var layer = new Layer(name, null, this.svgElem_);
-        // Like to assume hrService exists, but this is backwards compatible with old version of createLayer.
         if (hrService) {
           hrService.startBatchCommand('Create Layer');
           hrService.insertElement(layer.getGroup());
@@ -9784,7 +10519,6 @@
         this.current_layer = layer;
         return layer.getGroup();
       }
-
       /**
        * Creates a copy of the current layer with the given name and makes it the current layer.
        * @param {string} name - The given name. If the layer name exists, a new name will be generated.
@@ -9794,29 +10528,32 @@
       */
 
     }, {
-      key: 'cloneLayer',
+      key: "cloneLayer",
       value: function cloneLayer(name, hrService) {
         if (!this.current_layer) {
           return null;
         }
-        this.current_layer.deactivate();
-        // Check for duplicate name.
+
+        this.current_layer.deactivate(); // Check for duplicate name.
+
         if (name === undefined || name === null || name === '' || this.layer_map[name]) {
           name = getNewLayerName(Object.keys(this.layer_map));
-        }
+        } // Create new group and add to DOM just after current_layer
+
 
-        // Create new group and add to DOM just after current_layer
         var currentGroup = this.current_layer.getGroup();
         var layer = new Layer(name, currentGroup, this.svgElem_);
-        var group = layer.getGroup();
+        var group = layer.getGroup(); // Clone children
 
-        // Clone children
         var children = currentGroup.childNodes;
+
         for (var _index = 0; _index < children.length; _index++) {
           var ch = children[_index];
+
           if (ch.localName === 'title') {
             continue;
           }
+
           group.append(this.copyElem(ch));
         }
 
@@ -9824,20 +10561,21 @@
           hrService.startBatchCommand('Duplicate Layer');
           hrService.insertElement(group);
           hrService.endBatchCommand();
-        }
+        } // Update layer containers and current_layer.
+
 
-        // Update layer containers and current_layer.
         var index = this.all_layers.indexOf(this.current_layer);
+
         if (index >= 0) {
           this.all_layers.splice(index + 1, 0, layer);
         } else {
           this.all_layers.push(layer);
         }
+
         this.layer_map[name] = layer;
         this.current_layer = layer;
         return group;
       }
-
       /**
        * Returns whether the layer is visible.  If the layer name is not valid,
        * then this function returns `false`.
@@ -9846,12 +10584,11 @@
       */
 
     }, {
-      key: 'getLayerVisibility',
+      key: "getLayerVisibility",
       value: function getLayerVisibility(layerName) {
         var layer = this.layer_map[layerName];
         return layer ? layer.isVisible() : false;
       }
-
       /**
        * Sets the visibility of the layer. If the layer name is not valid, this
        * function returns `null`, otherwise it returns the `SVGElement` representing
@@ -9863,19 +10600,21 @@
       */
 
     }, {
-      key: 'setLayerVisibility',
+      key: "setLayerVisibility",
       value: function setLayerVisibility(layerName, bVisible) {
         if (typeof bVisible !== 'boolean') {
           return null;
         }
+
         var layer = this.layer_map[layerName];
+
         if (!layer) {
           return null;
         }
+
         layer.setVisible(bVisible);
         return layer.getGroup();
       }
-
       /**
        * Returns the opacity of the given layer.  If the input name is not a layer, `null` is returned.
        * @param {string} layerName - name of the layer on which to get the opacity
@@ -9884,15 +10623,16 @@
       */
 
     }, {
-      key: 'getLayerOpacity',
+      key: "getLayerOpacity",
       value: function getLayerOpacity(layerName) {
         var layer = this.layer_map[layerName];
+
         if (!layer) {
           return null;
         }
+
         return layer.getOpacity();
       }
-
       /**
        * Sets the opacity of the given layer.  If the input name is not a layer,
        * nothing happens. If opacity is not a value between 0.0 and 1.0, then
@@ -9907,17 +10647,18 @@
       */
 
     }, {
-      key: 'setLayerOpacity',
+      key: "setLayerOpacity",
       value: function setLayerOpacity(layerName, opacity) {
         if (typeof opacity !== 'number' || opacity < 0.0 || opacity > 1.0) {
           return;
         }
+
         var layer = this.layer_map[layerName];
+
         if (layer) {
           layer.setOpacity(opacity);
         }
       }
-
       /**
        * Create a clone of an element, updating its ID and its children's IDs when needed
        * @param {Element} el - DOM element to clone
@@ -9925,18 +10666,20 @@
        */
 
     }, {
-      key: 'copyElem',
+      key: "copyElem",
       value: function copyElem$$1(el) {
         var self = this;
+
         var getNextIdClosure = function getNextIdClosure() {
           return self.getNextId();
         };
+
         return copyElem(el, getNextIdClosure);
       }
     }]);
+
     return Drawing;
   }();
-
   /**
    * Called to ensure that drawings will or will not have randomized ids.
    * The currentDrawing will have its nonce set if it doesn't already.
@@ -9945,6 +10688,7 @@
    * @param {draw.Drawing} currentDrawing
    * @returns {undefined}
    */
+
   var randomizeIds = function randomizeIds(enableRandomization, currentDrawing) {
     randIds = enableRandomization === false ? RandomizeModes.NEVER_RANDOMIZE : RandomizeModes.ALWAYS_RANDOMIZE;
 
@@ -9953,9 +10697,7 @@
     } else if (randIds === RandomizeModes.NEVER_RANDOMIZE && currentDrawing.getNonce()) {
       currentDrawing.clearNonce();
     }
-  };
-
-  // Layer API Functions
+  }; // Layer API Functions
 
   /**
   * Group: Layers
@@ -9972,32 +10714,39 @@
    * @property {external:jQuery.data} elData
    * @property {module:history.UndoManager} undoMgr
    */
+
   /**
    * @function module:draw.DrawCanvasInit#getCurrentGroup
    * @returns {Element}
    */
+
   /**
    * @function module:draw.DrawCanvasInit#setCurrentGroup
    * @param {Element} cg
    * @returns {undefined}
   */
+
   /**
    * @function module:draw.DrawCanvasInit#getSelectedElements
    * @returns {Element[]} the array with selected DOM elements
   */
+
   /**
    * @function module:draw.DrawCanvasInit#getSVGContent
    * @returns {SVGSVGElement}
    */
+
   /**
    * @function module:draw.DrawCanvasInit#getCurrentDrawing
    * @returns {module:draw.Drawing}
    */
+
   /**
    * @function module:draw.DrawCanvasInit#clearSelection
    * @param {boolean} [noCall] - When `true`, does not call the "selected" handler
    * @returns {undefined}
   */
+
   /**
    * Run the callback function associated with the given event
    * @function module:draw.DrawCanvasInit#call
@@ -10007,36 +10756,38 @@
    * passed. If the event is "contextset", the arg is `null` or `Element`.
    * @returns {undefined}
    */
+
   /**
    * @function module:draw.DrawCanvasInit#addCommandToHistory
    * @param {Command} cmd
    * @returns {undefined}
   */
+
   /**
    * @function module:draw.DrawCanvasInit#changeSVGContent
    * @returns {undefined}
    */
 
-  var canvas_ = void 0;
+  var canvas_;
   /**
   * @function module:draw.init
   * @param {module:draw.DrawCanvasInit} canvas
   * @returns {undefined}
   */
+
   var init$3 = function init(canvas) {
     canvas_ = canvas;
   };
-
   /**
   * Updates layer system
   * @function module:draw.identifyLayers
   * @returns {undefined}
   */
+
   var identifyLayers = function identifyLayers() {
     leaveContext();
     canvas_.getCurrentDrawing().identifyLayers();
   };
-
   /**
   * Creates a new top-level layer in the drawing with the given name, sets the current layer
   * to it, and then clears the selection. This function then calls the 'changed' handler.
@@ -10047,12 +10798,12 @@
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {undefined}
   */
+
   var createLayer = function createLayer(name, hrService) {
     var newLayer = canvas_.getCurrentDrawing().createLayer(name, historyRecordingService(hrService));
     canvas_.clearSelection();
     canvas_.call('changed', [newLayer]);
   };
-
   /**
    * Creates a new top-level layer in the drawing with the given name, copies all the current layer's contents
    * to it, and then clears the selection. This function then calls the 'changed' handler.
@@ -10063,15 +10814,14 @@
    * @fires module:svgcanvas.SvgCanvas#event:changed
    * @returns {undefined}
    */
+
   var cloneLayer = function cloneLayer(name, hrService) {
     // Clone the current layer and make the cloned layer the new current layer
     var newLayer = canvas_.getCurrentDrawing().cloneLayer(name, historyRecordingService(hrService));
-
     canvas_.clearSelection();
     leaveContext();
     canvas_.call('changed', [newLayer]);
   };
-
   /**
   * Deletes the current layer from the drawing and then clears the selection. This function
   * then calls the 'changed' handler. This is an undoable action.
@@ -10079,25 +10829,26 @@
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {boolean} `true` if an old layer group was found to delete
   */
+
   var deleteCurrentLayer = function deleteCurrentLayer() {
     var currentLayer = canvas_.getCurrentDrawing().getCurrentLayer();
     var _currentLayer = currentLayer,
         nextSibling = _currentLayer.nextSibling;
-
     var parent = currentLayer.parentNode;
     currentLayer = canvas_.getCurrentDrawing().deleteCurrentLayer();
+
     if (currentLayer) {
-      var batchCmd = new BatchCommand('Delete Layer');
-      // store in our Undo History
+      var batchCmd = new BatchCommand('Delete Layer'); // store in our Undo History
+
       batchCmd.addSubCommand(new RemoveElementCommand(currentLayer, nextSibling, parent));
       canvas_.addCommandToHistory(batchCmd);
       canvas_.clearSelection();
       canvas_.call('changed', [parent]);
       return true;
     }
+
     return false;
   };
-
   /**
   * Sets the current layer. If the name is not a valid layer name, then this function returns
   * false. Otherwise it returns true. This is not an undo-able action.
@@ -10105,14 +10856,16 @@
   * @param {string} name - The name of the layer you want to switch to.
   * @returns {boolean} true if the current layer was switched, otherwise false
   */
+
   var setCurrentLayer = function setCurrentLayer(name) {
     var result = canvas_.getCurrentDrawing().setCurrentLayer(toXml(name));
+
     if (result) {
       canvas_.clearSelection();
     }
+
     return result;
   };
-
   /**
   * Renames the current layer. If the layer name is not valid (i.e. unique), then this function
   * does nothing and returns `false`, otherwise it returns `true`. This is an undo-able action.
@@ -10122,19 +10875,22 @@
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {boolean} Whether the rename succeeded
   */
+
   var renameCurrentLayer = function renameCurrentLayer(newName) {
     var drawing = canvas_.getCurrentDrawing();
     var layer = drawing.getCurrentLayer();
+
     if (layer) {
       var result = drawing.setCurrentLayerName(newName, historyRecordingService());
+
       if (result) {
         canvas_.call('changed', [layer]);
         return true;
       }
     }
+
     return false;
   };
-
   /**
   * Changes the position of the current layer to the new value. If the new index is not valid,
   * this function does nothing and returns false, otherwise it returns true. This is an
@@ -10144,16 +10900,18 @@
   * 0 and (number of layers - 1)
   * @returns {boolean} `true` if the current layer position was changed, `false` otherwise.
   */
+
   var setCurrentLayerPosition = function setCurrentLayerPosition(newPos) {
     var drawing = canvas_.getCurrentDrawing();
     var result = drawing.setCurrentLayerPosition(newPos);
+
     if (result) {
       canvas_.addCommandToHistory(new MoveElementCommand(result.currentGroup, result.oldNextSibling, canvas_.getSVGContent()));
       return true;
     }
+
     return false;
   };
-
   /**
   * Sets the visibility of the layer. If the layer name is not valid, this function return
   * `false`, otherwise it returns `true`. This is an undo-able action.
@@ -10162,13 +10920,17 @@
   * @param {boolean} bVisible - Whether the layer should be visible
   * @returns {boolean} true if the layer's visibility was set, false otherwise
   */
+
   var setLayerVisibility = function setLayerVisibility(layerName, bVisible) {
     var drawing = canvas_.getCurrentDrawing();
     var prevVisibility = drawing.getLayerVisibility(layerName);
     var layer = drawing.setLayerVisibility(layerName, bVisible);
+
     if (layer) {
       var oldDisplay = prevVisibility ? 'inline' : 'none';
-      canvas_.addCommandToHistory(new ChangeElementCommand(layer, { display: oldDisplay }, 'Layer Visibility'));
+      canvas_.addCommandToHistory(new ChangeElementCommand(layer, {
+        display: oldDisplay
+      }, 'Layer Visibility'));
     } else {
       return false;
     }
@@ -10176,11 +10938,11 @@
     if (layer === drawing.getCurrentLayer()) {
       canvas_.clearSelection();
       canvas_.pathActions.clear();
-    }
-    // call('changed', [selected]);
+    } // call('changed', [selected]);
+
+
     return true;
   };
-
   /**
   * Moves the selected elements to layerName. If the name is not a valid layer name, then `false`
   * is returned. Otherwise it returns `true`. This is an undo-able action.
@@ -10188,60 +10950,62 @@
   * @param {string} layerName - The name of the layer you want to which you want to move the selected elements
   * @returns {boolean} Whether the selected elements were moved to the layer.
   */
+
   var moveSelectedToLayer = function moveSelectedToLayer(layerName) {
     // find the layer
     var drawing = canvas_.getCurrentDrawing();
     var layer = drawing.getLayerByName(layerName);
+
     if (!layer) {
       return false;
     }
 
-    var batchCmd = new BatchCommand('Move Elements to Layer');
+    var batchCmd = new BatchCommand('Move Elements to Layer'); // loop for each selected element and move it
 
-    // loop for each selected element and move it
     var selElems = canvas_.getSelectedElements();
     var i = selElems.length;
+
     while (i--) {
       var elem = selElems[i];
+
       if (!elem) {
         continue;
       }
-      var oldNextSibling = elem.nextSibling;
-      // TODO: this is pretty brittle!
+
+      var oldNextSibling = elem.nextSibling; // TODO: this is pretty brittle!
+
       var oldLayer = elem.parentNode;
       layer.append(elem);
       batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldLayer));
     }
 
     canvas_.addCommandToHistory(batchCmd);
-
     return true;
   };
-
   /**
   * @function module:draw.mergeLayer
   * @param {module:history.HistoryRecordingService} hrService
   * @returns {undefined}
   */
+
   var mergeLayer = function mergeLayer(hrService) {
     canvas_.getCurrentDrawing().mergeLayer(historyRecordingService(hrService));
     canvas_.clearSelection();
     leaveContext();
     canvas_.changeSVGContent();
   };
-
   /**
   * @function module:draw.mergeAllLayers
   * @param {module:history.HistoryRecordingService} hrService
   * @returns {undefined}
   */
+
   var mergeAllLayers = function mergeAllLayers(hrService) {
     canvas_.getCurrentDrawing().mergeAllLayers(historyRecordingService(hrService));
     canvas_.clearSelection();
     leaveContext();
     canvas_.changeSVGContent();
   };
-
   /**
   * Return from a group context to the regular kind, make any previously
   * disabled elements enabled again
@@ -10249,26 +11013,31 @@
   * @fires module:svgcanvas.SvgCanvas#event:contextset
   * @returns {undefined}
   */
+
   var leaveContext = function leaveContext() {
     var len = disabledElems.length;
+
     if (len) {
       for (var i = 0; i < len; i++) {
         var elem = disabledElems[i];
         var orig = canvas_.elData(elem, 'orig_opac');
+
         if (orig !== 1) {
           elem.setAttribute('opacity', orig);
         } else {
           elem.removeAttribute('opacity');
         }
+
         elem.setAttribute('style', 'pointer-events: inherit');
       }
+
       disabledElems = [];
       canvas_.clearSelection(true);
       canvas_.call('contextset', null);
     }
+
     canvas_.setCurrentGroup(null);
   };
-
   /**
   * Set the current context (for in-group editing)
   * @function module:draw.setContext
@@ -10276,25 +11045,25 @@
   * @fires module:svgcanvas.SvgCanvas#event:contextset
   * @returns {undefined}
   */
+
   var setContext = function setContext(elem) {
     leaveContext();
+
     if (typeof elem === 'string') {
       elem = getElem(elem);
-    }
+    } // Edit inside this group
 
-    // Edit inside this group
-    canvas_.setCurrentGroup(elem);
 
-    // Disable other elements
+    canvas_.setCurrentGroup(elem); // Disable other elements
+
     $$5(elem).parentsUntil('#svgcontent').andSelf().siblings().each(function () {
-      var opac = this.getAttribute('opacity') || 1;
-      // Store the original's opacity
+      var opac = this.getAttribute('opacity') || 1; // Store the original's opacity
+
       canvas_.elData(this, 'orig_opac', opac);
       this.setAttribute('opacity', opac * 0.33);
       this.setAttribute('style', 'pointer-events: none');
       disabledElems.push(this);
     });
-
     canvas_.clearSelection();
     canvas_.call('contextset', canvas_.getCurrentGroup());
   };
@@ -10319,17 +11088,8 @@
     Layer: Layer
   });
 
-  /**
-   * Tools for SVG sanitization
-   * @module sanitize
-   * @license MIT
-   *
-   * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller
-   */
+  var REVERSE_NS = getReverseNS(); // this defines which elements and attributes that we support
 
-  var REVERSE_NS = getReverseNS();
-
-  // this defines which elements and attributes that we support
   var svgWhiteList_ = {
     // SVG Elements
     a: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'mask', 'opacity', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'xlink:href', 'xlink:title'],
@@ -10364,7 +11124,6 @@
     title: [],
     tspan: ['class', 'clip-path', 'clip-rule', 'dx', 'dy', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'font-family', 'font-size', 'font-style', 'font-weight', 'id', 'mask', 'opacity', 'requiredFeatures', 'rotate', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'text-anchor', 'textLength', 'transform', 'x', 'xml:space', 'y'],
     use: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'height', 'id', 'mask', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'transform', 'width', 'x', 'xlink:href', 'y'],
-
     // MathML Elements
     annotation: ['encoding'],
     'annotation-xml': ['encoding'],
@@ -10397,18 +11156,17 @@
     munderover: [],
     none: [],
     semantics: []
-  };
+  }; // Produce a Namespace-aware version of svgWhitelist
 
-  // Produce a Namespace-aware version of svgWhitelist
   var svgWhiteListNS_ = {};
   Object.entries(svgWhiteList_).forEach(function (_ref) {
-    var _ref2 = slicedToArray(_ref, 2),
+    var _ref2 = _slicedToArray(_ref, 2),
         elt = _ref2[0],
         atts = _ref2[1];
 
     var attNS = {};
     Object.entries(atts).forEach(function (_ref3) {
-      var _ref4 = slicedToArray(_ref3, 2),
+      var _ref4 = _slicedToArray(_ref3, 2),
           i = _ref4[0],
           att = _ref4[1];
 
@@ -10421,7 +11179,6 @@
     });
     svgWhiteListNS_[elt] = attNS;
   });
-
   /**
   * Sanitizes the input node and its children.
   * It only keeps what is allowed from our whitelist defined above.
@@ -10429,47 +11186,49 @@
   * @param {Text|Element} node - The DOM element to be checked (we'll also check its children) or text node to be cleaned up
   * @returns {undefined}
   */
+
   var sanitizeSvg = function sanitizeSvg(node) {
     // Cleanup text nodes
     if (node.nodeType === 3) {
       // 3 === TEXT_NODE
       // Trim whitespace
-      node.nodeValue = node.nodeValue.replace(/^\s+|\s+$/g, '');
-      // Remove if empty
+      node.nodeValue = node.nodeValue.replace(/^\s+|\s+$/g, ''); // Remove if empty
+
       if (!node.nodeValue.length) {
         node.remove();
       }
-    }
-
-    // We only care about element nodes.
+    } // We only care about element nodes.
     // Automatically return for all non-element nodes, such as comments, etc.
+
+
     if (node.nodeType !== 1) {
       // 1 == ELEMENT_NODE
       return;
     }
 
     var doc = node.ownerDocument;
-    var parent = node.parentNode;
-    // can parent ever be null here?  I think the root node's parent is the document...
+    var parent = node.parentNode; // can parent ever be null here?  I think the root node's parent is the document...
+
     if (!doc || !parent) {
       return;
     }
 
     var allowedAttrs = svgWhiteList_[node.nodeName];
-    var allowedAttrsNS = svgWhiteListNS_[node.nodeName];
-    // if this element is supported, sanitize it
+    var allowedAttrsNS = svgWhiteListNS_[node.nodeName]; // if this element is supported, sanitize it
+
     if (typeof allowedAttrs !== 'undefined') {
       var seAttrs = [];
       var i = node.attributes.length;
+
       while (i--) {
         // if the attribute is not in our whitelist, then remove it
         // could use jQuery's inArray(), but I don't know if that's any better
         var attr = node.attributes.item(i);
         var attrName = attr.nodeName;
         var attrLocalName = attr.localName;
-        var attrNsURI = attr.namespaceURI;
-        // Check that an attribute with the correct localName in the correct namespace is on
+        var attrNsURI = attr.namespaceURI; // Check that an attribute with the correct localName in the correct namespace is on
         // our whitelist or is a namespace declaration for one of our allowed namespaces
+
         if (!(allowedAttrsNS.hasOwnProperty(attrLocalName) && attrNsURI === allowedAttrsNS[attrLocalName] && attrNsURI !== NS.XMLNS) && !(attrNsURI === NS.XMLNS && REVERSE_NS[attr.value])) {
           // TODO(codedread): Programmatically add the se: attributes to the NS-aware whitelist.
           // Bypassing the whitelist to allow se: prefixes.
@@ -10477,10 +11236,11 @@
           if (attrName.startsWith('se:') || attrName.startsWith('data-')) {
             seAttrs.push([attrName, attr.value]);
           }
-          node.removeAttributeNS(attrNsURI, attrLocalName);
-        }
 
-        // Add spaces before negative signs where necessary
+          node.removeAttributeNS(attrNsURI, attrLocalName);
+        } // Add spaces before negative signs where necessary
+
+
         if (isGecko()) {
           switch (attrName) {
             case 'transform':
@@ -10490,40 +11250,44 @@
               node.setAttribute(attrName, val);
               break;
           }
-        }
+        } // For the style attribute, rewrite it in terms of XML presentational attributes
+
 
-        // For the style attribute, rewrite it in terms of XML presentational attributes
         if (attrName === 'style') {
           var props = attr.value.split(';');
           var p = props.length;
+
           while (p--) {
             var _props$p$split = props[p].split(':'),
-                _props$p$split2 = slicedToArray(_props$p$split, 2),
+                _props$p$split2 = _slicedToArray(_props$p$split, 2),
                 name = _props$p$split2[0],
                 _val = _props$p$split2[1];
 
             var styleAttrName = (name || '').trim();
-            var styleAttrVal = (_val || '').trim();
-            // Now check that this attribute is supported
+
+            var styleAttrVal = (_val || '').trim(); // Now check that this attribute is supported
+
+
             if (allowedAttrs.includes(styleAttrName)) {
               node.setAttribute(styleAttrName, styleAttrVal);
             }
           }
+
           node.removeAttribute('style');
         }
       }
 
       Object.values(seAttrs).forEach(function (_ref5) {
-        var _ref6 = slicedToArray(_ref5, 2),
+        var _ref6 = _slicedToArray(_ref5, 2),
             att = _ref6[0],
             val = _ref6[1];
 
         node.setAttributeNS(NS.SE, att, val);
-      });
-
-      // for some elements that have a xlink:href, ensure the URI refers to a local element
+      }); // for some elements that have a xlink:href, ensure the URI refers to a local element
       // (but not for links)
+
       var href = getHref(node);
+
       if (href && ['filter', 'linearGradient', 'pattern', 'radialGradient', 'textPath', 'use'].includes(node.nodeName)) {
         // TODO: we simply check if the first character is a #, is this bullet-proof?
         if (href[0] !== '#') {
@@ -10531,46 +11295,49 @@
           setHref(node, '');
           node.removeAttributeNS(NS.XLINK, 'href');
         }
-      }
+      } // Safari crashes on a <use> without a xlink:href, so we just remove the node here
+
 
-      // Safari crashes on a <use> without a xlink:href, so we just remove the node here
       if (node.nodeName === 'use' && !getHref(node)) {
         node.remove();
         return;
-      }
-      // if the element has attributes pointing to a non-local reference,
+      } // if the element has attributes pointing to a non-local reference,
       // need to remove the attribute
+
+
       Object.values(['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'], function (attr) {
         var val = node.getAttribute(attr);
+
         if (val) {
-          val = getUrlFromAttr(val);
-          // simply check for first character being a '#'
+          val = getUrlFromAttr(val); // simply check for first character being a '#'
+
           if (val && val[0] !== '#') {
             node.setAttribute(attr, '');
             node.removeAttribute(attr);
           }
         }
-      });
+      }); // recurse to children
 
-      // recurse to children
       i = node.childNodes.length;
+
       while (i--) {
         sanitizeSvg(node.childNodes.item(i));
-      }
-      // else (element not supported), remove it
+      } // else (element not supported), remove it
+
     } else {
       // remove all children from this node and insert them before this node
       // FIXME: in the case of animation elements this will hardly ever be correct
       var children = [];
+
       while (node.hasChildNodes()) {
         children.push(parent.insertBefore(node.firstChild, node));
-      }
+      } // remove this node from the document altogether
 
-      // remove this node from the document altogether
-      node.remove();
 
-      // call sanitizeSvg on each of those children
+      node.remove(); // call sanitizeSvg on each of those children
+
       var _i = children.length;
+
       while (_i--) {
         sanitizeSvg(children[_i]);
       }
@@ -10578,43 +11345,43 @@
   };
 
   /* globals jQuery */
+  var $$6 = jQuery; // this is how we map paths to our preferred relative segment types
 
-  var $$6 = jQuery;
-
-  // this is how we map paths to our preferred relative segment types
   var pathMap$1 = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a', 'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];
-
   /**
    * @interface module:coords.EditorContext
    */
+
   /**
    * @function module:coords.EditorContext#getGridSnapping
    * @returns {boolean}
    */
+
   /**
    * @function module:coords.EditorContext#getDrawing
    * @returns {module:draw.Drawing}
   */
+
   /**
    * @function module:coords.EditorContext#getSVGRoot
    * @returns {SVGSVGElement}
   */
 
   var editorContext_$2 = null;
-
   /**
   * @function module:coords.init
   * @param {module:coords.EditorContext} editorContext
   */
+
   var init$4 = function init(editorContext) {
     editorContext_$2 = editorContext;
   };
-
   /**
    * Applies coordinate changes to an element based on the given matrix
    * @function module:coords.remapElement
    * @implements {module:path.EditorContext#remapElement}
   */
+
   var remapElement = function remapElement(selected, changes, m) {
     var remap = function remap(x, y) {
       return transformPoint(x, y, m);
@@ -10632,6 +11399,7 @@
           changes[o] = snapToGrid(changes[o]);
         }
       }
+
       assignAttributes(selected, changes, 1000, true);
     },
         box = getBBox(selected);
@@ -10639,10 +11407,12 @@
     for (var i = 0; i < 2; i++) {
       var type = i === 0 ? 'fill' : 'stroke';
       var attrVal = selected.getAttribute(type);
+
       if (attrVal && attrVal.startsWith('url(')) {
         if (m.a < 0 || m.d < 0) {
           var grad = getRefElem(attrVal);
           var newgrad = grad.cloneNode(true);
+
           if (m.a < 0) {
             // flip x
             var x1 = newgrad.getAttribute('x1');
@@ -10658,19 +11428,20 @@
             newgrad.setAttribute('y1', -(y1 - 1));
             newgrad.setAttribute('y2', -(y2 - 1));
           }
+
           newgrad.id = editorContext_$2.getDrawing().getNextId();
           findDefs().append(newgrad);
           selected.setAttribute(type, 'url(#' + newgrad.id + ')');
-        }
-
-        // Not really working :(
+        } // Not really working :(
         // if (selected.tagName === 'path') {
         //   reorientGrads(selected, m);
         // }
+
       }
     }
 
     var elName = selected.tagName;
+
     if (elName === 'g' || elName === 'text' || elName === 'tspan' || elName === 'use') {
       // if it was a translate, then just update x,y
       if (m.a === 1 && m.b === 0 && m.c === 0 && m.d === 1 && (m.e !== 0 || m.f !== 0)) {
@@ -10688,10 +11459,10 @@
         chlist.clear();
         chlist.appendItem(mt);
       }
-    }
-
-    // now we have a set of changes and an applied reduced transform list
+    } // now we have a set of changes and an applied reduced transform list
     // we apply the changes directly to the DOM
+
+
     switch (elName) {
       case 'foreignObject':
       case 'rect':
@@ -10701,9 +11472,13 @@
           if (elName === 'image' && (m.a < 0 || m.d < 0)) {
             // Convert to matrix
             var _chlist = getTransformList(selected);
+
             var _mt = editorContext_$2.getSVGRoot().createSVGTransform();
+
             _mt.setMatrix(matrixMultiply(transformListToTransform(_chlist).matrix, m));
+
             _chlist.clear();
+
             _chlist.appendItem(_mt);
           } else {
             var pt1 = remap(changes.x, changes.y);
@@ -10714,9 +11489,12 @@
             changes.width = Math.abs(changes.width);
             changes.height = Math.abs(changes.height);
           }
+
           finishUp();
           break;
-        }case 'ellipse':
+        }
+
+      case 'ellipse':
         {
           var c = remap(changes.cx, changes.cy);
           changes.cx = c.x;
@@ -10727,12 +11505,15 @@
           changes.ry = Math.abs(changes.ry);
           finishUp();
           break;
-        }case 'circle':
+        }
+
+      case 'circle':
         {
           var _c = remap(changes.cx, changes.cy);
+
           changes.cx = _c.x;
-          changes.cy = _c.y;
-          // take the minimum of the new selected box's dimensions for the new circle radius
+          changes.cy = _c.y; // take the minimum of the new selected box's dimensions for the new circle radius
+
           var tbox = transformBox(box.x, box.y, box.width, box.height, m);
           var w = tbox.tr.x - tbox.tl.x,
               h = tbox.bl.y - tbox.tl.y;
@@ -10741,34 +11522,47 @@
           if (changes.r) {
             changes.r = Math.abs(changes.r);
           }
+
           finishUp();
           break;
-        }case 'line':
+        }
+
+      case 'line':
         {
           var _pt = remap(changes.x1, changes.y1);
+
           var pt2 = remap(changes.x2, changes.y2);
           changes.x1 = _pt.x;
           changes.y1 = _pt.y;
           changes.x2 = pt2.x;
           changes.y2 = pt2.y;
-        } // Fallthrough
+        }
+      // Fallthrough
+
       case 'text':
       case 'tspan':
       case 'use':
         {
           finishUp();
           break;
-        }case 'g':
+        }
+
+      case 'g':
         {
           var gsvg = $$6(selected).data('gsvg');
+
           if (gsvg) {
             assignAttributes(gsvg, changes, 1000, true);
           }
+
           break;
-        }case 'polyline':
+        }
+
+      case 'polyline':
       case 'polygon':
         {
           var len = changes.points.length;
+
           for (var _i = 0; _i < len; ++_i) {
             var pt = changes.points[_i];
 
@@ -10778,21 +11572,26 @@
 
             changes.points[_i].x = x;
             changes.points[_i].y = y;
-          }
+          } // const len = changes.points.length;
+
 
-          // const len = changes.points.length;
           var pstr = '';
+
           for (var _i2 = 0; _i2 < len; ++_i2) {
             var _pt2 = changes.points[_i2];
             pstr += _pt2.x + ',' + _pt2.y + ' ';
           }
+
           selected.setAttribute('points', pstr);
           break;
-        }case 'path':
+        }
+
+      case 'path':
         {
           var segList = selected.pathSegList;
           var _len = segList.numberOfItems;
           changes.d = [];
+
           for (var _i3 = 0; _i3 < _len; ++_i3) {
             var seg = segList.getItem(_i3);
             changes.d[_i3] = {
@@ -10816,10 +11615,10 @@
               currentpt = remap(firstseg.x, firstseg.y);
           changes.d[0].x = currentpt.x;
           changes.d[0].y = currentpt.y;
+
           for (var _i4 = 1; _i4 < _len; ++_i4) {
             var _seg = changes.d[_i4];
-            var _type = _seg.type;
-            // if absolute or first segment, we want to remap x, y, x1, y1, x2, y2
+            var _type = _seg.type; // if absolute or first segment, we want to remap x, y, x1, y1, x2, y2
             // if relative, we want to scalew, scaleh
 
             if (_type % 2 === 0) {
@@ -10827,9 +11626,13 @@
               var thisx = _seg.x !== undefined ? _seg.x : currentpt.x,
                   // for V commands
               thisy = _seg.y !== undefined ? _seg.y : currentpt.y; // for H commands
+
               var _pt3 = remap(thisx, thisy);
+
               var _pt4 = remap(_seg.x1, _seg.y1);
+
               var _pt5 = remap(_seg.x2, _seg.y2);
+
               _seg.x = _pt3.x;
               _seg.y = _pt3.y;
               _seg.x1 = _pt4.x;
@@ -10851,49 +11654,68 @@
             }
           } // for each segment
 
+
           var dstr = '';
           _len = changes.d.length;
+
           for (var _i5 = 0; _i5 < _len; ++_i5) {
             var _seg2 = changes.d[_i5];
             var _type2 = _seg2.type;
-
             dstr += pathMap$1[_type2];
+
             switch (_type2) {
               case 13: // relative horizontal line (h)
+
               case 12:
                 // absolute horizontal line (H)
                 dstr += _seg2.x + ' ';
                 break;
+
               case 15: // relative vertical line (v)
+
               case 14:
                 // absolute vertical line (V)
                 dstr += _seg2.y + ' ';
                 break;
+
               case 3: // relative move (m)
+
               case 5: // relative line (l)
+
               case 19: // relative smooth quad (t)
+
               case 2: // absolute move (M)
+
               case 4: // absolute line (L)
+
               case 18:
                 // absolute smooth quad (T)
                 dstr += _seg2.x + ',' + _seg2.y + ' ';
                 break;
+
               case 7: // relative cubic (c)
+
               case 6:
                 // absolute cubic (C)
                 dstr += _seg2.x1 + ',' + _seg2.y1 + ' ' + _seg2.x2 + ',' + _seg2.y2 + ' ' + _seg2.x + ',' + _seg2.y + ' ';
                 break;
+
               case 9: // relative quad (q)
+
               case 8:
                 // absolute quad (Q)
                 dstr += _seg2.x1 + ',' + _seg2.y1 + ' ' + _seg2.x + ',' + _seg2.y + ' ';
                 break;
+
               case 11: // relative elliptical arc (a)
+
               case 10:
                 // absolute elliptical arc (A)
                 dstr += _seg2.r1 + ',' + _seg2.r2 + ' ' + _seg2.angle + ' ' + +_seg2.largeArcFlag + ' ' + +_seg2.sweepFlag + ' ' + _seg2.x + ',' + _seg2.y + ' ';
                 break;
+
               case 17: // relative smooth cubic (s)
+
               case 16:
                 // absolute smooth cubic (S)
                 dstr += _seg2.x2 + ',' + _seg2.y2 + ' ' + _seg2.x + ',' + _seg2.y + ' ';
@@ -10908,22 +11730,22 @@
   };
 
   /* globals jQuery */
-
   var $$7 = jqPluginSVG(jQuery);
-
-  var context_ = void 0;
-
+  var context_;
   /**
   * @interface module:recalculate.EditorContext
   */
+
   /**
    * @function module:recalculate.EditorContext#getSVGRoot
    * @returns {SVGSVGElement} The root DOM element
    */
+
   /**
    * @function module:recalculate.EditorContext#getStartTransform
    * @returns {string}
   */
+
   /**
    * @function module:recalculate.EditorContext#setStartTransform
    * @param {string} transform
@@ -10935,10 +11757,10 @@
   * @param {module:recalculate.EditorContext} editorContext
   * @returns {undefined}
   */
+
   var init$5 = function init$$1(editorContext) {
     context_ = editorContext;
   };
-
   /**
   * Updates a `<clipPath>`s values based on the given translation of an element
   * @function module:recalculate.updateClipPath
@@ -10947,46 +11769,45 @@
   * @param {Float} ty - The translation's y value
   * @returns {undefined}
   */
+
   var updateClipPath = function updateClipPath(attr, tx, ty) {
     var path = getRefElem(attr).firstChild;
     var cpXform = getTransformList(path);
     var newxlate = context_.getSVGRoot().createSVGTransform();
     newxlate.setTranslate(tx, ty);
+    cpXform.appendItem(newxlate); // Update clipPath's dimensions
 
-    cpXform.appendItem(newxlate);
-
-    // Update clipPath's dimensions
     recalculateDimensions(path);
   };
-
   /**
   * Decides the course of action based on the element's transform list
   * @function module:recalculate.recalculateDimensions
   * @param {Element} selected - The DOM element to recalculate
   * @returns {Command} Undo command object with the resulting change
   */
+
   var recalculateDimensions = function recalculateDimensions(selected) {
     if (selected == null) {
       return null;
-    }
+    } // Firefox Issue - 1081
+
 
-    // Firefox Issue - 1081
     if (selected.nodeName === 'svg' && navigator.userAgent.includes('Firefox/20')) {
       return null;
     }
 
     var svgroot = context_.getSVGRoot();
-    var tlist = getTransformList(selected);
+    var tlist = getTransformList(selected); // remove any unnecessary transforms
 
-    // remove any unnecessary transforms
     if (tlist && tlist.numberOfItems > 0) {
       var k = tlist.numberOfItems;
       var noi = k;
+
       while (k--) {
         var xform = tlist.getItem(k);
+
         if (xform.type === 0) {
-          tlist.removeItem(k);
-          // remove identity matrices
+          tlist.removeItem(k); // remove identity matrices
         } else if (xform.type === 1) {
           if (isIdentity(xform.matrix)) {
             if (noi === 1) {
@@ -10997,64 +11818,69 @@
               selected.removeAttribute('transform');
               return null;
             }
+
             tlist.removeItem(k);
-          }
-          // remove zero-degree rotations
+          } // remove zero-degree rotations
+
         } else if (xform.type === 4) {
           if (xform.angle === 0) {
             tlist.removeItem(k);
           }
         }
-      }
-      // End here if all it has is a rotation
+      } // End here if all it has is a rotation
+
+
       if (tlist.numberOfItems === 1 && getRotationAngle(selected)) {
         return null;
       }
-    }
+    } // if this element had no transforms, we are done
+
 
-    // if this element had no transforms, we are done
     if (!tlist || tlist.numberOfItems === 0) {
       // Chrome apparently had a bug that requires clearing the attribute first.
-      selected.setAttribute('transform', '');
-      // However, this still next line currently doesn't work at all in Chrome
-      selected.removeAttribute('transform');
-      // selected.transform.baseVal.clear(); // Didn't help for Chrome bug
-      return null;
-    }
+      selected.setAttribute('transform', ''); // However, this still next line currently doesn't work at all in Chrome
+
+      selected.removeAttribute('transform'); // selected.transform.baseVal.clear(); // Didn't help for Chrome bug
+
+      return null;
+    } // TODO: Make this work for more than 2
+
 
-    // TODO: Make this work for more than 2
     if (tlist) {
       var mxs = [];
       var _k = tlist.numberOfItems;
+
       while (_k--) {
         var _xform = tlist.getItem(_k);
+
         if (_xform.type === 1) {
           mxs.push([_xform.matrix, _k]);
         } else if (mxs.length) {
           mxs = [];
         }
       }
+
       if (mxs.length === 2) {
         var mNew = svgroot.createSVGTransformFromMatrix(matrixMultiply(mxs[1][0], mxs[0][0]));
         tlist.removeItem(mxs[0][1]);
         tlist.removeItem(mxs[1][1]);
         tlist.insertItemBefore(mNew, mxs[1][1]);
-      }
+      } // combine matrix + translate
+
 
-      // combine matrix + translate
       _k = tlist.numberOfItems;
+
       if (_k >= 2 && tlist.getItem(_k - 2).type === 1 && tlist.getItem(_k - 1).type === 2) {
         var mt = svgroot.createSVGTransform();
-
         var m = matrixMultiply(tlist.getItem(_k - 2).matrix, tlist.getItem(_k - 1).matrix);
         mt.setMatrix(m);
         tlist.removeItem(_k - 2);
         tlist.removeItem(_k - 2);
         tlist.appendItem(mt);
       }
-    }
+    } // If it still has a single [M] or [R][M], return null too (prevents BatchCommand from being returned).
+
 
-    // If it still has a single [M] or [R][M], return null too (prevents BatchCommand from being returned).
     switch (selected.tagName) {
       // Ignore these elements, as they can absorb the [M]
       case 'line':
@@ -11062,42 +11888,48 @@
       case 'polygon':
       case 'path':
         break;
+
       default:
         if (tlist.numberOfItems === 1 && tlist.getItem(0).type === 1 || tlist.numberOfItems === 2 && tlist.getItem(0).type === 1 && tlist.getItem(0).type === 4) {
           return null;
         }
-    }
 
-    // Grouped SVG element
-    var gsvg = $$7(selected).data('gsvg');
+    } // Grouped SVG element
 
-    // we know we have some transforms, so set up return variable
-    var batchCmd = new BatchCommand('Transform');
 
-    // store initial values that will be affected by reducing the transform list
+    var gsvg = $$7(selected).data('gsvg'); // we know we have some transforms, so set up return variable
+
+    var batchCmd = new BatchCommand('Transform'); // store initial values that will be affected by reducing the transform list
+
     var changes = {};
     var initial = null;
     var attrs = [];
+
     switch (selected.tagName) {
       case 'line':
         attrs = ['x1', 'y1', 'x2', 'y2'];
         break;
+
       case 'circle':
         attrs = ['cx', 'cy', 'r'];
         break;
+
       case 'ellipse':
         attrs = ['cx', 'cy', 'rx', 'ry'];
         break;
+
       case 'foreignObject':
       case 'rect':
       case 'image':
         attrs = ['width', 'height', 'x', 'y'];
         break;
+
       case 'use':
       case 'text':
       case 'tspan':
         attrs = ['x', 'y'];
         break;
+
       case 'polygon':
       case 'polyline':
         {
@@ -11106,18 +11938,26 @@
           var list = selected.points;
           var len = list.numberOfItems;
           changes.points = new Array(len);
+
           for (var i = 0; i < len; ++i) {
             var pt = list.getItem(i);
-            changes.points[i] = { x: pt.x, y: pt.y };
+            changes.points[i] = {
+              x: pt.x,
+              y: pt.y
+            };
           }
+
           break;
-        }case 'path':
+        }
+
+      case 'path':
         initial = {};
         initial.d = selected.getAttribute('d');
         changes.d = selected.getAttribute('d');
         break;
     } // switch on element type to get initial values
 
+
     if (attrs.length) {
       changes = $$7(selected).attr(attrs);
       $$7.each(changes, function (attr, val) {
@@ -11129,43 +11969,46 @@
         x: $$7(gsvg).attr('x') || 0,
         y: $$7(gsvg).attr('y') || 0
       };
-    }
-
-    // if we haven't created an initial array in polygon/polyline/path, then
+    } // if we haven't created an initial array in polygon/polyline/path, then
     // make a copy of initial values and include the transform
+
+
     if (initial == null) {
       initial = $$7.extend(true, {}, changes);
       $$7.each(initial, function (attr, val) {
         initial[attr] = convertToNum(attr, val);
       });
-    }
-    // save the start transform value too
+    } // save the start transform value too
+
+
     initial.transform = context_.getStartTransform() || '';
+    var oldcenter, newcenter; // if it's a regular group, we have special processing to flatten transforms
 
-    var oldcenter = void 0,
-        newcenter = void 0;
-
-    // if it's a regular group, we have special processing to flatten transforms
     if (selected.tagName === 'g' && !gsvg || selected.tagName === 'a') {
       var box = getBBox(selected);
-
-      oldcenter = { x: box.x + box.width / 2, y: box.y + box.height / 2 };
-      newcenter = transformPoint(box.x + box.width / 2, box.y + box.height / 2, transformListToTransform(tlist).matrix);
-      // let m = svgroot.createSVGMatrix();
-
+      oldcenter = {
+        x: box.x + box.width / 2,
+        y: box.y + box.height / 2
+      };
+      newcenter = transformPoint(box.x + box.width / 2, box.y + box.height / 2, transformListToTransform(tlist).matrix); // let m = svgroot.createSVGMatrix();
       // temporarily strip off the rotate and save the old center
+
       var gangle = getRotationAngle(selected);
+
       if (gangle) {
         var a = gangle * Math.PI / 180;
-        var s = void 0;
+        var s;
+
         if (Math.abs(a) > 1.0e-10) {
           s = Math.sin(a) / (1 - Math.cos(a));
         } else {
           // FIXME: This blows up if the angle is exactly 0!
           s = 2 / a;
         }
+
         for (var _i = 0; _i < tlist.numberOfItems; ++_i) {
           var _xform2 = tlist.getItem(_i);
+
           if (_xform2.type === 4) {
             // extract old center through mystical arts
             var rm = _xform2.matrix;
@@ -11176,44 +12019,43 @@
           }
         }
       }
+
       var N = tlist.numberOfItems;
       var tx = 0,
           ty = 0,
           operation = 0;
+      var firstM;
 
-      var firstM = void 0;
       if (N) {
         firstM = tlist.getItem(0).matrix;
       }
 
-      var oldStartTransform = void 0;
-      // first, if it was a scale then the second-last transform will be it
+      var oldStartTransform; // first, if it was a scale then the second-last transform will be it
+
       if (N >= 3 && tlist.getItem(N - 2).type === 3 && tlist.getItem(N - 3).type === 2 && tlist.getItem(N - 1).type === 2) {
         operation = 3; // scale
-
         // if the children are unrotated, pass the scale down directly
         // otherwise pass the equivalent matrix() down directly
+
         var tm = tlist.getItem(N - 3).matrix,
             sm = tlist.getItem(N - 2).matrix,
             tmn = tlist.getItem(N - 1).matrix;
-
         var children = selected.childNodes;
         var c = children.length;
+
         while (c--) {
           var child = children.item(c);
           tx = 0;
           ty = 0;
-          if (child.nodeType === 1) {
-            var childTlist = getTransformList(child);
 
-            // some children might not have a transform (<metadata>, <defs>, etc)
+          if (child.nodeType === 1) {
+            var childTlist = getTransformList(child); // some children might not have a transform (<metadata>, <defs>, etc)
+
             if (!childTlist) {
               continue;
             }
 
-            var _m = transformListToTransform(childTlist).matrix;
-
-            // Convert a matrix to a scale if applicable
+            var _m = transformListToTransform(childTlist).matrix; // Convert a matrix to a scale if applicable
             // if (hasMatrixTransform(childTlist) && childTlist.numberOfItems == 1) {
             //   if (m.b==0 && m.c==0 && m.e==0 && m.f==0) {
             //     childTlist.removeItem(0);
@@ -11232,31 +12074,27 @@
             var angle = getRotationAngle(child);
             oldStartTransform = context_.getStartTransform();
             context_.setStartTransform(child.getAttribute('transform'));
+
             if (angle || hasMatrixTransform(childTlist)) {
               var e2t = svgroot.createSVGTransform();
               e2t.setMatrix(matrixMultiply(tm, sm, tmn, _m));
               childTlist.clear();
               childTlist.appendItem(e2t);
-              // if not rotated or skewed, push the [T][S][-T] down to the child
             } else {
               // update the transform list with translate,scale,translate
-
               // slide the [T][S][-T] from the front to the back
               // [T][S][-T][M] = [M][T2][S2][-T2]
-
               // (only bringing [-T] to the right of [M])
               // [T][S][-T][M] = [T][S][M][-T2]
               // [-T2] = [M_inv][-T][M]
-              var t2n = matrixMultiply(_m.inverse(), tmn, _m);
-              // [T2] is always negative translation of [-T2]
+              var t2n = matrixMultiply(_m.inverse(), tmn, _m); // [T2] is always negative translation of [-T2]
+
               var t2 = svgroot.createSVGMatrix();
               t2.e = -t2n.e;
-              t2.f = -t2n.f;
-
-              // [T][S][-T][M] = [M][T2][S2][-T2]
+              t2.f = -t2n.f; // [T][S][-T][M] = [M][T2][S2][-T2]
               // [S2] = [T2_inv][M_inv][T][S][-T][M][-T2_inv]
-              var s2 = matrixMultiply(t2.inverse(), _m.inverse(), tm, sm, tmn, _m, t2n.inverse());
 
+              var s2 = matrixMultiply(t2.inverse(), _m.inverse(), tm, sm, tmn, _m, t2n.inverse());
               var translateOrigin = svgroot.createSVGTransform(),
                   scale = svgroot.createSVGTransform(),
                   translateBack = svgroot.createSVGTransform();
@@ -11266,11 +12104,11 @@
               childTlist.appendItem(translateBack);
               childTlist.appendItem(scale);
               childTlist.appendItem(translateOrigin);
-              // logMatrix(translateBack.matrix);
               // logMatrix(scale.matrix);
             } // not rotated
-            batchCmd.addSubCommand(recalculateDimensions(child));
-            // TODO: If any <use> have this group as a parent and are
+
+
+            batchCmd.addSubCommand(recalculateDimensions(child)); // TODO: If any <use> have this group as a parent and are
             // referencing this child, then we need to impose a reverse
             // scale on it so that when it won't get double-translated
             // const uses = selected.getElementsByTagNameNS(NS.SVG, 'use');
@@ -11285,30 +12123,37 @@
             //     batchCmd.addSubCommand( recalculateDimensions(useElem) );
             //   }
             // }
+
             context_.setStartTransform(oldStartTransform);
           } // element
+
         } // for each child
         // Remove these transforms from group
+
+
         tlist.removeItem(N - 1);
         tlist.removeItem(N - 2);
         tlist.removeItem(N - 3);
       } else if (N >= 3 && tlist.getItem(N - 1).type === 1) {
         operation = 3; // scale
+
         var _m2 = transformListToTransform(tlist).matrix;
+
         var _e2t = svgroot.createSVGTransform();
+
         _e2t.setMatrix(_m2);
+
         tlist.clear();
-        tlist.appendItem(_e2t);
-        // next, check if the first transform was a translate
+        tlist.appendItem(_e2t); // next, check if the first transform was a translate
         // if we had [ T1 ] [ M ] we want to transform this into [ M ] [ T2 ]
         // therefore [ T2 ] = [ M_inv ] [ T1 ] [ M ]
       } else if ((N === 1 || N > 1 && tlist.getItem(1).type !== 3) && tlist.getItem(0).type === 2) {
         operation = 2; // translate
+
         var T_M = transformListToTransform(tlist).matrix;
         tlist.removeItem(0);
         var mInv = transformListToTransform(tlist).matrix.inverse();
         var M2 = matrixMultiply(mInv, T_M);
-
         tx = M2.e;
         ty = M2.f;
 
@@ -11316,15 +12161,17 @@
           // we pass the translates down to the individual children
           var _children = selected.childNodes;
           var _c = _children.length;
-
           var clipPathsDone = [];
+
           while (_c--) {
             var _child = _children.item(_c);
+
             if (_child.nodeType === 1) {
               // Check if child has clip-path
               if (_child.getAttribute('clip-path')) {
                 // tx, ty
                 var attr = _child.getAttribute('clip-path');
+
                 if (!clipPathsDone.includes(attr)) {
                   updateClipPath(attr, tx, ty);
                   clipPathsDone.push(attr);
@@ -11334,25 +12181,30 @@
               oldStartTransform = context_.getStartTransform();
               context_.setStartTransform(_child.getAttribute('transform'));
 
-              var _childTlist = getTransformList(_child);
-              // some children might not have a transform (<metadata>, <defs>, etc)
+              var _childTlist = getTransformList(_child); // some children might not have a transform (<metadata>, <defs>, etc)
+
+
               if (_childTlist) {
                 var newxlate = svgroot.createSVGTransform();
                 newxlate.setTranslate(tx, ty);
+
                 if (_childTlist.numberOfItems) {
                   _childTlist.insertItemBefore(newxlate, 0);
                 } else {
                   _childTlist.appendItem(newxlate);
                 }
-                batchCmd.addSubCommand(recalculateDimensions(_child));
-                // If any <use> have this group as a parent and are
+
+                batchCmd.addSubCommand(recalculateDimensions(_child)); // If any <use> have this group as a parent and are
                 // referencing this child, then impose a reverse translate on it
                 // so that when it won't get double-translated
+
                 var uses = selected.getElementsByTagNameNS(NS.SVG, 'use');
                 var href = '#' + _child.id;
                 var u = uses.length;
+
                 while (u--) {
                   var useElem = uses.item(u);
+
                   if (href === getHref(useElem)) {
                     var usexlate = svgroot.createSVGTransform();
                     usexlate.setTranslate(-tx, -ty);
@@ -11360,24 +12212,29 @@
                     batchCmd.addSubCommand(recalculateDimensions(useElem));
                   }
                 }
+
                 context_.setStartTransform(oldStartTransform);
               }
             }
           }
+
           context_.setStartTransform(oldStartTransform);
-        }
-        // else, a matrix imposition from a parent group
+        } // else, a matrix imposition from a parent group
         // keep pushing it down to the children
+
       } else if (N === 1 && tlist.getItem(0).type === 1 && !gangle) {
         operation = 1;
         var _m3 = tlist.getItem(0).matrix,
             _children2 = selected.childNodes;
         var _c2 = _children2.length;
+
         while (_c2--) {
           var _child2 = _children2.item(_c2);
+
           if (_child2.nodeType === 1) {
             oldStartTransform = context_.getStartTransform();
             context_.setStartTransform(_child2.getAttribute('transform'));
+
             var _childTlist2 = getTransformList(_child2);
 
             if (!_childTlist2) {
@@ -11387,40 +12244,46 @@
             var em = matrixMultiply(_m3, transformListToTransform(_childTlist2).matrix);
             var e2m = svgroot.createSVGTransform();
             e2m.setMatrix(em);
+
             _childTlist2.clear();
+
             _childTlist2.appendItem(e2m, 0);
 
             batchCmd.addSubCommand(recalculateDimensions(_child2));
-            context_.setStartTransform(oldStartTransform);
-
-            // Convert stroke
+            context_.setStartTransform(oldStartTransform); // Convert stroke
             // TODO: Find out if this should actually happen somewhere else
+
             var sw = _child2.getAttribute('stroke-width');
+
             if (_child2.getAttribute('stroke') !== 'none' && !isNaN(sw)) {
               var avg = (Math.abs(em.a) + Math.abs(em.d)) / 2;
+
               _child2.setAttribute('stroke-width', sw * avg);
             }
           }
         }
-        tlist.clear();
-        // else it was just a rotate
+
+        tlist.clear(); // else it was just a rotate
       } else {
         if (gangle) {
           var newRot = svgroot.createSVGTransform();
           newRot.setRotate(gangle, newcenter.x, newcenter.y);
+
           if (tlist.numberOfItems) {
             tlist.insertItemBefore(newRot, 0);
           } else {
             tlist.appendItem(newRot);
           }
         }
+
         if (tlist.numberOfItems === 0) {
           selected.removeAttribute('transform');
         }
-        return null;
-      }
 
-      // if it was a translate, put back the rotate at the new center
+        return null;
+      } // if it was a translate, put back the rotate at the new center
+
+
       if (operation === 2) {
         if (gangle) {
           newcenter = {
@@ -11429,14 +12292,16 @@
           };
 
           var _newRot = svgroot.createSVGTransform();
+
           _newRot.setRotate(gangle, newcenter.x, newcenter.y);
+
           if (tlist.numberOfItems) {
             tlist.insertItemBefore(_newRot, 0);
           } else {
             tlist.appendItem(_newRot);
           }
-        }
-        // if it was a resize
+        } // if it was a resize
+
       } else if (operation === 3) {
         var _m4 = transformListToTransform(tlist).matrix;
         var roldt = svgroot.createSVGTransform();
@@ -11444,6 +12309,7 @@
         var rold = roldt.matrix;
         var rnew = svgroot.createSVGTransform();
         rnew.setRotate(gangle, newcenter.x, newcenter.y);
+
         var rnewInv = rnew.matrix.inverse(),
             _mInv = _m4.inverse(),
             extrat = matrixMultiply(_mInv, rnewInv, rold, _m4);
@@ -11456,14 +12322,20 @@
           // we pass the translates down to the individual children
           var _children3 = selected.childNodes;
           var _c3 = _children3.length;
+
           while (_c3--) {
             var _child3 = _children3.item(_c3);
+
             if (_child3.nodeType === 1) {
               oldStartTransform = context_.getStartTransform();
               context_.setStartTransform(_child3.getAttribute('transform'));
+
               var _childTlist3 = getTransformList(_child3);
+
               var _newxlate = svgroot.createSVGTransform();
+
               _newxlate.setTranslate(tx, ty);
+
               if (_childTlist3.numberOfItems) {
                 _childTlist3.insertItemBefore(_newxlate, 0);
               } else {
@@ -11483,33 +12355,39 @@
             tlist.appendItem(rnew);
           }
         }
-      }
-      // else, it's a non-group
+      } // else, it's a non-group
+
     } else {
       // FIXME: box might be null for some elements (<metadata> etc), need to handle this
-      var _box = getBBox(selected);
-
-      // Paths (and possbly other shapes) will have no BBox while still in <defs>,
+      var _box = getBBox(selected); // Paths (and possbly other shapes) will have no BBox while still in <defs>,
       // but we still may need to recalculate them (see issue 595).
       // TODO: Figure out how to get BBox from these elements in case they
       // have a rotation transform
 
+
       if (!_box && selected.tagName !== 'path') return null;
 
-      var _m5 = void 0; // = svgroot.createSVGMatrix();
+      var _m5; // = svgroot.createSVGMatrix();
       // temporarily strip off the rotate and save the old center
+
+
       var _angle = getRotationAngle(selected);
+
       if (_angle) {
-        oldcenter = { x: _box.x + _box.width / 2, y: _box.y + _box.height / 2 };
+        oldcenter = {
+          x: _box.x + _box.width / 2,
+          y: _box.y + _box.height / 2
+        };
         newcenter = transformPoint(_box.x + _box.width / 2, _box.y + _box.height / 2, transformListToTransform(tlist).matrix);
 
         var _a = _angle * Math.PI / 180;
-        var _s = Math.abs(_a) > 1.0e-10 ? Math.sin(_a) / (1 - Math.cos(_a))
-        // FIXME: This blows up if the angle is exactly 0!
+
+        var _s = Math.abs(_a) > 1.0e-10 ? Math.sin(_a) / (1 - Math.cos(_a)) // FIXME: This blows up if the angle is exactly 0!
         : 2 / _a;
 
         for (var _i2 = 0; _i2 < tlist.numberOfItems; ++_i2) {
           var _xform3 = tlist.getItem(_i2);
+
           if (_xform3.type === 4) {
             // extract old center through mystical arts
             var _rm = _xform3.matrix;
@@ -11519,22 +12397,23 @@
             break;
           }
         }
-      }
+      } // 2 = translate, 3 = scale, 4 = rotate, 1 = matrix imposition
+
 
-      // 2 = translate, 3 = scale, 4 = rotate, 1 = matrix imposition
       var _operation = 0;
-      var _N = tlist.numberOfItems;
-
-      // Check if it has a gradient with userSpaceOnUse, in which case
+      var _N = tlist.numberOfItems; // Check if it has a gradient with userSpaceOnUse, in which case
       // adjust it by recalculating the matrix transform.
       // TODO: Make this work in Webkit using transformlist.SVGTransformList
+
       if (!isWebkit()) {
         var fill = selected.getAttribute('fill');
+
         if (fill && fill.startsWith('url(')) {
           var paint = getRefElem(fill);
           var type = 'pattern';
           if (paint.tagName !== type) type = 'gradient';
           var attrVal = paint.getAttribute(type + 'Units');
+
           if (attrVal === 'userSpaceOnUse') {
             // Update the userSpaceOnUse element
             _m5 = transformListToTransform(tlist).matrix;
@@ -11545,79 +12424,94 @@
             paint.setAttribute(type + 'Transform', mStr);
           }
         }
-      }
-
-      // first, if it was a scale of a non-skewed element, then the second-last
+      } // first, if it was a scale of a non-skewed element, then the second-last
       // transform will be the [S]
       // if we had [M][T][S][T] we want to extract the matrix equivalent of
       // [T][S][T] and push it down to the element
+
+
       if (_N >= 3 && tlist.getItem(_N - 2).type === 3 && tlist.getItem(_N - 3).type === 2 && tlist.getItem(_N - 1).type === 2) {
         // Removed this so a <use> with a given [T][S][T] would convert to a matrix.
         // Is that bad?
         //  && selected.nodeName != 'use'
         _operation = 3; // scale
+
         _m5 = transformListToTransform(tlist, _N - 3, _N - 1).matrix;
         tlist.removeItem(_N - 1);
         tlist.removeItem(_N - 2);
-        tlist.removeItem(_N - 3);
-        // if we had [T][S][-T][M], then this was a skewed element being resized
+        tlist.removeItem(_N - 3); // if we had [T][S][-T][M], then this was a skewed element being resized
         // Thus, we simply combine it all into one matrix
       } else if (_N === 4 && tlist.getItem(_N - 1).type === 1) {
         _operation = 3; // scale
+
         _m5 = transformListToTransform(tlist).matrix;
+
         var _e2t2 = svgroot.createSVGTransform();
+
         _e2t2.setMatrix(_m5);
+
         tlist.clear();
-        tlist.appendItem(_e2t2);
-        // reset the matrix so that the element is not re-mapped
-        _m5 = svgroot.createSVGMatrix();
-        // if we had [R][T][S][-T][M], then this was a rotated matrix-element
+        tlist.appendItem(_e2t2); // reset the matrix so that the element is not re-mapped
+
+        _m5 = svgroot.createSVGMatrix(); // if we had [R][T][S][-T][M], then this was a rotated matrix-element
         // if we had [T1][M] we want to transform this into [M][T2]
         // therefore [ T2 ] = [ M_inv ] [ T1 ] [ M ] and we can push [T2]
         // down to the element
       } else if ((_N === 1 || _N > 1 && tlist.getItem(1).type !== 3) && tlist.getItem(0).type === 2) {
         _operation = 2; // translate
+
         var oldxlate = tlist.getItem(0).matrix,
             meq = transformListToTransform(tlist, 1).matrix,
             meqInv = meq.inverse();
         _m5 = matrixMultiply(meqInv, oldxlate, meq);
-        tlist.removeItem(0);
-        // else if this child now has a matrix imposition (from a parent group)
+        tlist.removeItem(0); // else if this child now has a matrix imposition (from a parent group)
         // we might be able to simplify
       } else if (_N === 1 && tlist.getItem(0).type === 1 && !_angle) {
         // Remap all point-based elements
         _m5 = transformListToTransform(tlist).matrix;
+
         switch (selected.tagName) {
           case 'line':
             changes = $$7(selected).attr(['x1', 'y1', 'x2', 'y2']);
           // Fallthrough
+
           case 'polyline':
           case 'polygon':
             changes.points = selected.getAttribute('points');
+
             if (changes.points) {
               var _list = selected.points;
               var _len = _list.numberOfItems;
               changes.points = new Array(_len);
+
               for (var _i3 = 0; _i3 < _len; ++_i3) {
                 var _pt = _list.getItem(_i3);
-                changes.points[_i3] = { x: _pt.x, y: _pt.y };
+
+                changes.points[_i3] = {
+                  x: _pt.x,
+                  y: _pt.y
+                };
               }
             }
+
           // Fallthrough
+
           case 'path':
             changes.d = selected.getAttribute('d');
             _operation = 1;
             tlist.clear();
             break;
+
           default:
             break;
-        }
-        // if it was a rotation, put the rotate back and return without a command
+        } // if it was a rotation, put the rotate back and return without a command
         // (this function has zero work to do for a rotate())
+
       } else {
         // operation = 4; // rotation
         if (_angle) {
           var _newRot2 = svgroot.createSVGTransform();
+
           _newRot2.setRotate(_angle, newcenter.x, newcenter.y);
 
           if (tlist.numberOfItems) {
@@ -11626,18 +12520,21 @@
             tlist.appendItem(_newRot2);
           }
         }
+
         if (tlist.numberOfItems === 0) {
           selected.removeAttribute('transform');
         }
-        return null;
-      }
 
-      // if it was a translate or resize, we need to remap the element and absorb the xform
+        return null;
+      } // if it was a translate or resize, we need to remap the element and absorb the xform
+
+
       if (_operation === 1 || _operation === 2 || _operation === 3) {
         remapElement(selected, changes, _m5);
       } // if we are remapping
-
       // if it was a translate, put back the rotate at the new center
+
+
       if (_operation === 2) {
         if (_angle) {
           if (!hasMatrixTransform(tlist)) {
@@ -11646,22 +12543,28 @@
               y: oldcenter.y + _m5.f
             };
           }
+
           var _newRot3 = svgroot.createSVGTransform();
+
           _newRot3.setRotate(_angle, newcenter.x, newcenter.y);
+
           if (tlist.numberOfItems) {
             tlist.insertItemBefore(_newRot3, 0);
           } else {
             tlist.appendItem(_newRot3);
           }
-        }
-        // We have special processing for tspans:  Tspans are not transformable
+        } // We have special processing for tspans:  Tspans are not transformable
         // but they can have x,y coordinates (sigh).  Thus, if this was a translate,
         // on a text element, also translate any tspan children.
+
+
         if (selected.tagName === 'text') {
           var _children4 = selected.childNodes;
           var _c4 = _children4.length;
+
           while (_c4--) {
             var _child4 = _children4.item(_c4);
+
             if (_child4.tagName === 'tspan') {
               var tspanChanges = {
                 x: $$7(_child4).attr('x') || 0,
@@ -11670,23 +12573,32 @@
               remapElement(_child4, tspanChanges, _m5);
             }
           }
-        }
-        // [Rold][M][T][S][-T] became [Rold][M]
+        } // [Rold][M][T][S][-T] became [Rold][M]
         // we want it to be [Rnew][M][Tr] where Tr is the
         // translation required to re-center it
         // Therefore, [Tr] = [M_inv][Rnew_inv][Rold][M]
+
       } else if (_operation === 3 && _angle) {
         var _m6 = transformListToTransform(tlist).matrix;
+
         var _roldt = svgroot.createSVGTransform();
+
         _roldt.setRotate(_angle, oldcenter.x, oldcenter.y);
+
         var _rold = _roldt.matrix;
+
         var _rnew = svgroot.createSVGTransform();
+
         _rnew.setRotate(_angle, newcenter.x, newcenter.y);
+
         var _rnewInv = _rnew.matrix.inverse();
+
         var _mInv2 = _m6.inverse();
+
         var _extrat = matrixMultiply(_mInv2, _rnewInv, _rold, _m6);
 
         remapElement(selected, changes, _extrat);
+
         if (_angle) {
           if (tlist.numberOfItems) {
             tlist.insertItemBefore(_rnew, 0);
@@ -11696,54 +12608,52 @@
         }
       }
     } // a non-group
-
     // if the transform list has been emptied, remove it
+
+
     if (tlist.numberOfItems === 0) {
       selected.removeAttribute('transform');
     }
 
     batchCmd.addSubCommand(new ChangeElementCommand(selected, initial));
-
     return batchCmd;
   };
 
-  /* globals jQuery */
-
   var $$8 = jQuery;
+  var svgFactory_;
+  var config_;
+  var selectorManager_; // A Singleton
 
-  var svgFactory_ = void 0;
-  var config_ = void 0;
-  var selectorManager_ = void 0; // A Singleton
   var gripRadius = isTouch() ? 10 : 4;
-
   /**
   * Private class for DOM element selection boxes
   */
-  var Selector = function () {
+
+  var Selector =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {Integer} id - Internally identify the selector
     * @param {Element} elem - DOM element associated with this selector
     * @param {module:utilities.BBoxObject} [bbox] - Optional bbox to use for initialization (prevents duplicate `getBBox` call).
     */
     function Selector(id, elem, bbox) {
-      classCallCheck(this, Selector);
+      _classCallCheck(this, Selector);
 
       // this is the selector's unique number
-      this.id = id;
+      this.id = id; // this holds a reference to the element for which this selector is being used
 
-      // this holds a reference to the element for which this selector is being used
-      this.selectedElement = elem;
+      this.selectedElement = elem; // this is a flag used internally to track whether the selector is being used or not
 
-      // this is a flag used internally to track whether the selector is being used or not
-      this.locked = true;
+      this.locked = true; // this holds a reference to the <g> element that holds all visual elements of the selector
 
-      // this holds a reference to the <g> element that holds all visual elements of the selector
       this.selectorGroup = svgFactory_.createSVGElement({
         element: 'g',
-        attr: { id: 'selectorGroup' + this.id }
-      });
+        attr: {
+          id: 'selectorGroup' + this.id
+        }
+      }); // this holds a reference to the path rect
 
-      // this holds a reference to the path rect
       this.selectorRect = this.selectorGroup.appendChild(svgFactory_.createSVGElement({
         element: 'path',
         attr: {
@@ -11755,9 +12665,8 @@
           // need to specify this so that the rect is not selectable
           style: 'pointer-events:none'
         }
-      }));
+      })); // this holds a reference to the grip coordinates for this selector
 
-      // this holds a reference to the grip coordinates for this selector
       this.gripCoords = {
         nw: null,
         n: null,
@@ -11768,10 +12677,8 @@
         sw: null,
         w: null
       };
-
       this.reset(this.selectedElement, bbox);
     }
-
     /**
     * Used to reset the id and element that the selector is attached to
     * @param {Element} e - DOM element associated with this selector
@@ -11779,43 +12686,46 @@
     */
 
 
-    createClass(Selector, [{
-      key: 'reset',
+    _createClass(Selector, [{
+      key: "reset",
       value: function reset(e, bbox) {
         this.locked = true;
         this.selectedElement = e;
         this.resize(bbox);
         this.selectorGroup.setAttribute('display', 'inline');
       }
-
       /**
       * Updates cursors for corner grips on rotation so arrows point the right way
       * @param {Float} angle - Current rotation angle in degrees
       */
 
     }, {
-      key: 'updateGripCursors',
+      key: "updateGripCursors",
       value: function updateGripCursors(angle) {
-        var dir = void 0;
+        var dir;
         var dirArr = [];
         var steps = Math.round(angle / 45);
+
         if (steps < 0) {
           steps += 8;
         }
+
         for (dir in selectorManager_.selectorGrips) {
           dirArr.push(dir);
         }
+
         while (steps > 0) {
           dirArr.push(dirArr.shift());
           steps--;
         }
+
         var i = 0;
+
         for (dir in selectorManager_.selectorGrips) {
           selectorManager_.selectorGrips[dir].setAttribute('style', 'cursor:' + dirArr[i] + '-resize');
           i++;
         }
       }
-
       /**
       * Show the resize grips of this selector
       *
@@ -11823,25 +12733,25 @@
       */
 
     }, {
-      key: 'showGrips',
+      key: "showGrips",
       value: function showGrips(show) {
         var bShow = show ? 'inline' : 'none';
         selectorManager_.selectorGripsGroup.setAttribute('display', bShow);
         var elem = this.selectedElement;
         this.hasGrips = show;
+
         if (elem && show) {
           this.selectorGroup.append(selectorManager_.selectorGripsGroup);
           this.updateGripCursors(getRotationAngle(elem));
         }
       }
-
       /**
       * Updates the selector to match the element's size
       * @param {module:utilities.BBoxObject} [bbox] - BBox to use for resize (prevents duplicate getBBox call).
       */
 
     }, {
-      key: 'resize',
+      key: "resize",
       value: function resize(bbox) {
         var selectedBox = this.selectorRect,
             mgr = selectorManager_,
@@ -11850,6 +12760,7 @@
             sw = selected.getAttribute('stroke-width'),
             currentZoom = svgFactory_.getCurrentZoom();
         var offset = 1 / currentZoom;
+
         if (selected.getAttribute('stroke') !== 'none' && !isNaN(sw)) {
           offset += sw / 2;
         }
@@ -11858,57 +12769,53 @@
 
         if (tagName === 'text') {
           offset += 2 / currentZoom;
-        }
+        } // loop and transform our bounding box until we reach our first rotation
+
 
-        // loop and transform our bounding box until we reach our first rotation
         var tlist = getTransformList(selected);
-        var m = transformListToTransform(tlist).matrix;
-
-        // This should probably be handled somewhere else, but for now
+        var m = transformListToTransform(tlist).matrix; // This should probably be handled somewhere else, but for now
         // it keeps the selection box correctly positioned when zoomed
+
         m.e *= currentZoom;
         m.f *= currentZoom;
 
         if (!bbox) {
           bbox = getBBox(selected);
-        }
-        // TODO: getBBox (previous line) already knows to call getStrokedBBox when tagName === 'g'. Remove this?
+        } // TODO: getBBox (previous line) already knows to call getStrokedBBox when tagName === 'g'. Remove this?
         // TODO: getBBox doesn't exclude 'gsvg' and calls getStrokedBBox for any 'g'. Should getBBox be updated?
+
+
         if (tagName === 'g' && !$$8.data(selected, 'gsvg')) {
           // The bbox for a group does not include stroke vals, so we
           // get the bbox based on its children.
           var strokedBbox = getStrokedBBox([selected.childNodes]);
+
           if (strokedBbox) {
             bbox = strokedBbox;
           }
-        }
+        } // apply the transforms
+
 
-        // apply the transforms
         var l = bbox.x,
             t = bbox.y,
             w = bbox.width,
-            h = bbox.height;
-        // bbox = {x: l, y: t, width: w, height: h}; // Not in use
-
+            h = bbox.height; // bbox = {x: l, y: t, width: w, height: h}; // Not in use
         // we need to handle temporary transforms too
         // if skewed, get its transformed box, then find its axis-aligned bbox
-
         // *
-        offset *= currentZoom;
 
+        offset *= currentZoom;
         var nbox = transformBox(l * currentZoom, t * currentZoom, w * currentZoom, h * currentZoom, m),
             aabox = nbox.aabox;
-
         var nbax = aabox.x - offset,
             nbay = aabox.y - offset,
             nbaw = aabox.width + offset * 2,
-            nbah = aabox.height + offset * 2;
+            nbah = aabox.height + offset * 2; // now if the shape is rotated, un-rotate it
 
-        // now if the shape is rotated, un-rotate it
         var cx = nbax + nbaw / 2,
             cy = nbay + nbah / 2;
-
         var angle = getRotationAngle(selected);
+
         if (angle) {
           var rot = svgFactory_.svgRoot().createSVGTransform();
           rot.setRotate(-angle, cx, cy);
@@ -11916,25 +12823,19 @@
           nbox.tl = transformPoint(nbox.tl.x, nbox.tl.y, rotm);
           nbox.tr = transformPoint(nbox.tr.x, nbox.tr.y, rotm);
           nbox.bl = transformPoint(nbox.bl.x, nbox.bl.y, rotm);
-          nbox.br = transformPoint(nbox.br.x, nbox.br.y, rotm);
+          nbox.br = transformPoint(nbox.br.x, nbox.br.y, rotm); // calculate the axis-aligned bbox
 
-          // calculate the axis-aligned bbox
           var tl = nbox.tl;
-
           var minx = tl.x,
               miny = tl.y,
               maxx = tl.x,
               maxy = tl.y;
-
           var min = Math.min,
               max = Math.max;
-
-
           minx = min(minx, min(nbox.tr.x, min(nbox.bl.x, nbox.br.x))) - offset;
           miny = min(miny, min(nbox.tr.y, min(nbox.bl.y, nbox.br.y))) - offset;
           maxx = max(maxx, max(nbox.tr.x, max(nbox.bl.x, nbox.br.x))) + offset;
           maxy = max(maxy, max(nbox.tr.y, max(nbox.bl.y, nbox.br.y))) + offset;
-
           nbax = minx;
           nbay = miny;
           nbaw = maxx - minx;
@@ -11943,12 +12844,10 @@
 
         var dstr = 'M' + nbax + ',' + nbay + ' L' + (nbax + nbaw) + ',' + nbay + ' ' + (nbax + nbaw) + ',' + (nbay + nbah) + ' ' + nbax + ',' + (nbay + nbah) + 'z';
         selectedBox.setAttribute('d', dstr);
-
         var xform = angle ? 'rotate(' + [angle, cx, cy].join(',') + ')' : '';
-        this.selectorGroup.setAttribute('transform', xform);
-
-        // TODO(codedread): Is this needed?
+        this.selectorGroup.setAttribute('transform', xform); // TODO(codedread): Is this needed?
         //  if (selected === selectedElements[0]) {
+
         this.gripCoords = {
           nw: [nbax, nbay],
           ne: [nbax + nbaw, nbay],
@@ -11959,46 +12858,44 @@
           e: [nbax + nbaw, nbay + nbah / 2],
           s: [nbax + nbaw / 2, nbay + nbah]
         };
+
         for (var dir in this.gripCoords) {
           var coords = this.gripCoords[dir];
           selectedGrips[dir].setAttribute('cx', coords[0]);
           selectedGrips[dir].setAttribute('cy', coords[1]);
-        }
+        } // we want to go 20 pixels in the negative transformed y direction, ignoring scale
+
 
-        // we want to go 20 pixels in the negative transformed y direction, ignoring scale
         mgr.rotateGripConnector.setAttribute('x1', nbax + nbaw / 2);
         mgr.rotateGripConnector.setAttribute('y1', nbay);
         mgr.rotateGripConnector.setAttribute('x2', nbax + nbaw / 2);
         mgr.rotateGripConnector.setAttribute('y2', nbay - gripRadius * 5);
-
         mgr.rotateGrip.setAttribute('cx', nbax + nbaw / 2);
-        mgr.rotateGrip.setAttribute('cy', nbay - gripRadius * 5);
-        // }
+        mgr.rotateGrip.setAttribute('cy', nbay - gripRadius * 5); // }
       }
     }]);
+
     return Selector;
   }();
-
   /**
   * Manage all selector objects (selection boxes)
   */
-  var SelectorManager = function () {
+
+  var SelectorManager =
+  /*#__PURE__*/
+  function () {
     function SelectorManager() {
-      classCallCheck(this, SelectorManager);
+      _classCallCheck(this, SelectorManager);
 
       // this will hold the <g> element that contains all selector rects/grips
-      this.selectorParentGroup = null;
+      this.selectorParentGroup = null; // this is a special rect that is used for multi-select
 
-      // this is a special rect that is used for multi-select
-      this.rubberBandBox = null;
+      this.rubberBandBox = null; // this will hold objects of type Selector (see above)
 
-      // this will hold objects of type Selector (see above)
-      this.selectors = [];
+      this.selectors = []; // this holds a map of SVG elements to their Selector object
 
-      // this holds a map of SVG elements to their Selector object
-      this.selectorMap = {};
+      this.selectorMap = {}; // this holds a reference to the grip elements
 
-      // this holds a reference to the grip elements
       this.selectorGrips = {
         nw: null,
         n: null,
@@ -12009,44 +12906,43 @@
         sw: null,
         w: null
       };
-
       this.selectorGripsGroup = null;
       this.rotateGripConnector = null;
       this.rotateGrip = null;
-
       this.initGroup();
     }
-
     /**
     * Resets the parent selector group element
     */
 
 
-    createClass(SelectorManager, [{
-      key: 'initGroup',
+    _createClass(SelectorManager, [{
+      key: "initGroup",
       value: function initGroup() {
         // remove old selector parent group if it existed
         if (this.selectorParentGroup && this.selectorParentGroup.parentNode) {
           this.selectorParentGroup.remove();
-        }
+        } // create parent selector group and add it to svgroot
+
 
-        // create parent selector group and add it to svgroot
         this.selectorParentGroup = svgFactory_.createSVGElement({
           element: 'g',
-          attr: { id: 'selectorParentGroup' }
+          attr: {
+            id: 'selectorParentGroup'
+          }
         });
         this.selectorGripsGroup = svgFactory_.createSVGElement({
           element: 'g',
-          attr: { display: 'none' }
+          attr: {
+            display: 'none'
+          }
         });
         this.selectorParentGroup.append(this.selectorGripsGroup);
         svgFactory_.svgRoot().append(this.selectorParentGroup);
-
         this.selectorMap = {};
         this.selectors = [];
-        this.rubberBandBox = null;
+        this.rubberBandBox = null; // add the corner grips
 
-        // add the corner grips
         for (var dir in this.selectorGrips) {
           var grip = svgFactory_.createSVGElement({
             element: 'circle',
@@ -12063,13 +12959,12 @@
               'pointer-events': 'all'
             }
           });
-
           $$8.data(grip, 'dir', dir);
           $$8.data(grip, 'type', 'resize');
           this.selectorGrips[dir] = this.selectorGripsGroup.appendChild(grip);
-        }
+        } // add rotator elems
+
 
-        // add rotator elems
         this.rotateGripConnector = this.selectorGripsGroup.appendChild(svgFactory_.createSVGElement({
           element: 'line',
           attr: {
@@ -12078,7 +12973,6 @@
             'stroke-width': '1'
           }
         }));
-
         this.rotateGrip = this.selectorGripsGroup.appendChild(svgFactory_.createSVGElement({
           element: 'circle',
           attr: {
@@ -12096,7 +12990,7 @@
           return;
         }
 
-        var _config_$dimensions = slicedToArray(config_.dimensions, 2),
+        var _config_$dimensions = _slicedToArray(config_.dimensions, 2),
             width = _config_$dimensions[0],
             height = _config_$dimensions[1];
 
@@ -12108,11 +13002,11 @@
             height: height,
             x: 0,
             y: 0,
-            overflow: isWebkit() ? 'none' : 'visible', // Chrome 7 has a problem with this when zooming out
+            overflow: isWebkit() ? 'none' : 'visible',
+            // Chrome 7 has a problem with this when zooming out
             style: 'pointer-events:none'
           }
         });
-
         var rect = svgFactory_.createSVGElement({
           element: 'rect',
           attr: {
@@ -12125,16 +13019,13 @@
             fill: '#FFF',
             style: 'pointer-events:none'
           }
-        });
-
-        // Both Firefox and WebKit are too slow with this filter region (especially at higher
+        }); // Both Firefox and WebKit are too slow with this filter region (especially at higher
         // zoom levels) and Opera has at least one bug
         // if (!isOpera()) rect.setAttribute('filter', 'url(#canvashadow)');
-        canvasbg.append(rect);
-        svgFactory_.svgRoot().insertBefore(canvasbg, svgFactory_.svgContent());
-        // Ok to replace above with `svgFactory_.svgContent().before(canvasbg);`?
-      }
 
+        canvasbg.append(rect);
+        svgFactory_.svgRoot().insertBefore(canvasbg, svgFactory_.svgContent()); // Ok to replace above with `svgFactory_.svgContent().before(canvasbg);`?
+      }
       /**
       *
       * @param {Element} elem - DOM element to get the selector for
@@ -12143,18 +13034,19 @@
       */
 
     }, {
-      key: 'requestSelector',
+      key: "requestSelector",
       value: function requestSelector(elem, bbox) {
         if (elem == null) {
           return null;
         }
 
-        var N = this.selectors.length;
-        // If we've already acquired one for this element, return it.
+        var N = this.selectors.length; // If we've already acquired one for this element, return it.
+
         if (_typeof(this.selectorMap[elem.id]) === 'object') {
           this.selectorMap[elem.id].locked = true;
           return this.selectorMap[elem.id];
         }
+
         for (var i = 0; i < N; ++i) {
           if (this.selectors[i] && !this.selectors[i].locked) {
             this.selectors[i].locked = true;
@@ -12162,14 +13054,14 @@
             this.selectorMap[elem.id] = this.selectors[i];
             return this.selectors[i];
           }
-        }
-        // if we reached here, no available selectors were found, we create one
+        } // if we reached here, no available selectors were found, we create one
+
+
         this.selectors[N] = new Selector(N, elem, bbox);
         this.selectorParentGroup.append(this.selectors[N].selectorGroup);
         this.selectorMap[elem.id] = this.selectors[N];
         return this.selectors[N];
       }
-
       /**
       * Removes the selector of the given element (hides selection box)
       *
@@ -12177,25 +13069,27 @@
       */
 
     }, {
-      key: 'releaseSelector',
+      key: "releaseSelector",
       value: function releaseSelector(elem) {
         if (elem == null) {
           return;
         }
+
         var N = this.selectors.length,
             sel = this.selectorMap[elem.id];
+
         if (!sel.locked) {
           // TODO(codedread): Ensure this exists in this module.
           console.log('WARNING! selector was released but was already unlocked');
         }
+
         for (var i = 0; i < N; ++i) {
           if (this.selectors[i] && this.selectors[i] === sel) {
             delete this.selectorMap[elem.id];
             sel.locked = false;
             sel.selectedElement = null;
-            sel.showGrips(false);
+            sel.showGrips(false); // remove from DOM and store reference in JS but only if it exists in the DOM
 
-            // remove from DOM and store reference in JS but only if it exists in the DOM
             try {
               sel.selectorGroup.setAttribute('display', 'none');
             } catch (e) {}
@@ -12204,14 +13098,13 @@
           }
         }
       }
-
       /**
       * @returns {SVGRectElement} The rubberBandBox DOM element. This is the rectangle drawn by
       * the user for selecting/zooming
       */
 
     }, {
-      key: 'getRubberBandBox',
+      key: "getRubberBandBox",
       value: function getRubberBandBox() {
         if (!this.rubberBandBox) {
           this.rubberBandBox = this.selectorParentGroup.appendChild(svgFactory_.createSVGElement({
@@ -12227,30 +13120,35 @@
             }
           }));
         }
+
         return this.rubberBandBox;
       }
     }]);
+
     return SelectorManager;
   }();
-
   /**
    * An object that creates SVG elements for the canvas.
    *
    * @interface module:select.SVGFactory
    */
+
   /**
    * @function module:select.SVGFactory#createSVGElement
    * @param {module:utilities.EditorContext#addSVGElementFromJson} jsonMap
    * @returns {SVGElement}
    */
+
   /**
    * @function module:select.SVGFactory#svgRoot
    * @returns {SVGSVGElement}
    */
+
   /**
    * @function module:select.SVGFactory#svgContent
    * @returns {SVGSVGElement}
    */
+
   /**
    * @function module:select.SVGFactory#getCurrentZoom
    * @returns {Float}
@@ -12262,6 +13160,7 @@
    * @property {Float} 0 Width
    * @property {Float} 1 Height
    */
+
   /**
    * @typedef {PlainObject} module:select.Config
    * @property {string} imgPath
@@ -12275,22 +13174,21 @@
    * @param {module:select.SVGFactory} svgFactory - An object implementing the SVGFactory interface.
    * @returns {undefined}
    */
+
   var init$6 = function init(config, svgFactory) {
     config_ = config;
     svgFactory_ = svgFactory;
     selectorManager_ = new SelectorManager();
   };
-
   /**
    * @function module:select.getSelectorManager
    * @returns {module:select.SelectorManager} The SelectorManager instance.
    */
+
   var getSelectorManager = function getSelectorManager() {
     return selectorManager_;
   };
 
-  /* eslint-disable indent */
-
   var $$9 = jqPluginSVG(jQuery);
   var MoveElementCommand$1 = MoveElementCommand,
       InsertElementCommand$1 = InsertElementCommand,
@@ -12300,10 +13198,11 @@
       UndoManager$1 = UndoManager,
       HistoryEventTypes$1 = HistoryEventTypes;
 
-
   if (!window.console) {
     window.console = {};
+
     window.console.log = function (str) {};
+
     window.console.dir = function (str) {};
   }
 
@@ -12311,9 +13210,9 @@
     window.console.log = function (str) {
       window.opera.postError(str);
     };
+
     window.console.dir = function (str) {};
   }
-
   /**
   * The main SvgCanvas class that manages all SVG-related functions
   * @memberof module:svgcanvas
@@ -12343,62 +13242,57 @@
   * @borrows module:path.pathActions.linkControlPoints as #linkControlPoints
   */
 
+
   var SvgCanvas =
   /**
   * @param {HTMLElement} container - The container HTML element that should hold the SVG root element
   * @param {module:SVGEditor.curConfig} config - An object that contains configuration data
   */
   function SvgCanvas(container, config) {
-    classCallCheck(this, SvgCanvas);
+    _classCallCheck(this, SvgCanvas);
 
     // Alias Namespace constants
-
     // Default configuration options
     var curConfig = {
       show_outside_canvas: true,
       selectNew: true,
       dimensions: [640, 480]
-    };
+    }; // Update config with new one if given
 
-    // Update config with new one if given
     if (config) {
       $$9.extend(curConfig, config);
-    }
+    } // Array with width/height of canvas
+
 
-    // Array with width/height of canvas
     var dimensions = curConfig.dimensions;
-
-
-    var canvas = this;
-
-    // "document" element associated with the container (same as window.document using default svg-editor.js)
+    var canvas = this; // "document" element associated with the container (same as window.document using default svg-editor.js)
     // NOTE: This is not actually a SVG document, but an HTML document.
-    var svgdoc = container.ownerDocument;
 
-    // This is a container for the document being edited, not the document itself.
+    var svgdoc = container.ownerDocument; // This is a container for the document being edited, not the document itself.
+
     /**
      * @name module:svgcanvas~svgroot
      * @type {SVGSVGElement}
      */
+
     var svgroot = svgdoc.importNode(text2xml('<svg id="svgroot" xmlns="' + NS.SVG + '" xlinkns="' + NS.XLINK + '" ' + 'width="' + dimensions[0] + '" height="' + dimensions[1] + '" x="' + dimensions[0] + '" y="' + dimensions[1] + '" overflow="visible">' + '<defs>' + '<filter id="canvashadow" filterUnits="objectBoundingBox">' + '<feGaussianBlur in="SourceAlpha" stdDeviation="4" result="blur"/>' + '<feOffset in="blur" dx="5" dy="5" result="offsetBlur"/>' + '<feMerge>' + '<feMergeNode in="offsetBlur"/>' + '<feMergeNode in="SourceGraphic"/>' + '</feMerge>' + '</filter>' + '</defs>' + '</svg>').documentElement, true);
     container.append(svgroot);
-
     /**
      * The actual element that represents the final output SVG element
      * @name module:svgcanvas~svgcontent
      * @type {SVGSVGElement}
      */
-    var svgcontent = svgdoc.createElementNS(NS.SVG, 'svg');
 
+    var svgcontent = svgdoc.createElementNS(NS.SVG, 'svg');
     /**
     * This function resets the svgcontent element while keeping it in the DOM.
     * @function module:svgcanvas.SvgCanvas#clearSvgContentElement
     * @returns {undefined}
     */
-    var clearSvgContentElement = canvas.clearSvgContentElement = function () {
-      $$9(svgcontent).empty();
 
-      // TODO: Clear out all other attributes first?
+    var clearSvgContentElement = canvas.clearSvgContentElement = function () {
+      $$9(svgcontent).empty(); // TODO: Clear out all other attributes first?
+
       $$9(svgcontent).attr({
         id: 'svgcontent',
         width: dimensions[0],
@@ -12409,53 +13303,52 @@
         xmlns: NS.SVG,
         'xmlns:se': NS.SE,
         'xmlns:xlink': NS.XLINK
-      }).appendTo(svgroot);
+      }).appendTo(svgroot); // TODO: make this string optional and set by the client
 
-      // TODO: make this string optional and set by the client
       var comment = svgdoc.createComment(' Created with SVG-edit - https://github.com/SVG-Edit/svgedit');
       svgcontent.append(comment);
     };
-    clearSvgContentElement();
 
-    // Prefix string for element IDs
+    clearSvgContentElement(); // Prefix string for element IDs
+
     var idprefix = 'svg_';
-
     /**
     * Changes the ID prefix to the given value
     * @function module:svgcanvas.SvgCanvas#setIdPrefix
     * @param {string} p - String with the new prefix
     * @returns {undefined}
     */
+
     canvas.setIdPrefix = function (p) {
       idprefix = p;
     };
-
     /**
     * Current draw.Drawing object
     * @type {module:draw.Drawing}
     * @name module:svgcanvas.SvgCanvas#current_drawing_
     */
-    canvas.current_drawing_ = new Drawing(svgcontent, idprefix);
 
+
+    canvas.current_drawing_ = new Drawing(svgcontent, idprefix);
     /**
     * Returns the current Drawing.
     * @function module:svgcanvas.SvgCanvas#getCurrentDrawing
     * @implements {module:draw.DrawCanvasInit#getCurrentDrawing}
     */
+
     var getCurrentDrawing = canvas.getCurrentDrawing = function () {
       return canvas.current_drawing_;
     };
-
     /**
     * Float displaying the current zoom level (1 = 100%, .5 = 50%, etc)
     * @type {Float}
     */
-    var currentZoom = 1;
 
-    // pointer to current group (for in-group editing)
-    var currentGroup = null;
 
-    // Object containing data for the currently selected styles
+    var currentZoom = 1; // pointer to current group (for in-group editing)
+
+    var currentGroup = null; // Object containing data for the currently selected styles
+
     var allProperties = {
       shape: {
         fill: (curConfig.initFill.color === 'none' ? '' : '#') + curConfig.initFill.color,
@@ -12471,22 +13364,18 @@
         opacity: curConfig.initOpacity
       }
     };
-
     allProperties.text = $$9.extend(true, {}, allProperties.shape);
     $$9.extend(allProperties.text, {
       fill: '#000000',
       stroke_width: curConfig.text && curConfig.text.stroke_width,
       font_size: curConfig.text && curConfig.text.font_size,
       font_family: curConfig.text && curConfig.text.font_family
-    });
+    }); // Current shape style properties
 
-    // Current shape style properties
-    var curShape = allProperties.shape;
-
-    // Array with all the currently selected elements
+    var curShape = allProperties.shape; // Array with all the currently selected elements
     // default size of 1 until it needs to grow bigger
-    var selectedElements = [];
 
+    var selectedElements = [];
     /**
     * @typedef {PlainObject} module:svgcanvas.SVGAsJSON
     * @property {string} element
@@ -12499,52 +13388,55 @@
     * @param {Text|Element} data
     * @returns {module:svgcanvas.SVGAsJSON}
     */
+
     var getJsonFromSvgElement = this.getJsonFromSvgElement = function (data) {
       // Text node
       if (data.nodeType === 3) return data.nodeValue;
-
       var retval = {
         element: data.tagName,
         // namespace: nsMap[data.namespaceURI],
         attr: {},
         children: []
-      };
+      }; // Iterate attributes
 
-      // Iterate attributes
       for (var i = 0, attr; attr = data.attributes[i]; i++) {
         retval.attr[attr.name] = attr.value;
-      }
+      } // Iterate children
+
 
-      // Iterate children
       for (var _i = 0, node; node = data.childNodes[_i]; _i++) {
         retval.children[_i] = getJsonFromSvgElement(node);
       }
 
       return retval;
     };
-
     /**
     * This should really be an intersection implementing all rather than a union
     * @function module:svgcanvas.SvgCanvas#addSVGElementFromJson
     * @implements {module:utilities.EditorContext#addSVGElementFromJson|module:path.EditorContext#addSVGElementFromJson}
     */
+
+
     var addSVGElementFromJson = this.addSVGElementFromJson = function (data) {
       if (typeof data === 'string') return svgdoc.createTextNode(data);
+      var shape = getElem(data.attr.id); // if shape is a path but we need to create a rect/ellipse, then remove the path
 
-      var shape = getElem(data.attr.id);
-      // if shape is a path but we need to create a rect/ellipse, then remove the path
       var currentLayer = getCurrentDrawing().getCurrentLayer();
+
       if (shape && data.element !== shape.tagName) {
         shape.remove();
         shape = null;
       }
+
       if (!shape) {
         var ns = data.namespace || NS.SVG;
         shape = svgdoc.createElementNS(ns, data.element);
+
         if (currentLayer) {
           (currentGroup || currentLayer).append(shape);
         }
       }
+
       if (data.curStyles) {
         assignAttributes(shape, {
           fill: curShape.fill,
@@ -12559,10 +13451,10 @@
           style: 'pointer-events:inherit'
         }, 100);
       }
-      assignAttributes(shape, data.attr, 100);
-      cleanupElement(shape);
 
-      // Children
+      assignAttributes(shape, data.attr, 100);
+      cleanupElement(shape); // Children
+
       if (data.children) {
         data.children.forEach(function (child) {
           shape.append(addSVGElementFromJson(child));
@@ -12573,22 +13465,22 @@
     };
 
     canvas.getTransformList = getTransformList;
-
     canvas.matrixMultiply = matrixMultiply;
     canvas.hasMatrixTransform = hasMatrixTransform;
     canvas.transformListToTransform = transformListToTransform;
-
     /**
     * @implements {module:utilities.EditorContext#getBaseUnit}
     */
+
     var getBaseUnit = function getBaseUnit() {
       return curConfig.baseUnit;
     };
-
     /**
     * initialize from units.js.
     * Send in an object implementing the ElementContainer interface (see units.js)
     */
+
+
     init(
     /**
     * @implements {module:units.ElementContainer}
@@ -12606,32 +13498,32 @@
         return saveOptions.round_digits;
       }
     });
-
     canvas.convertToNum = convertToNum;
-
     /**
     * This should really be an intersection implementing all rather than a union
     * @implements {module:draw.DrawCanvasInit#getSVGContent|module:utilities.EditorContext#getSVGContent}
     */
+
     var getSVGContent = function getSVGContent() {
       return svgcontent;
     };
-
     /**
     * Should really be an intersection with all needing to apply rather than a union
     * @function module:svgcanvas.SvgCanvas#getSelectedElements
     * @implements {module:utilities.EditorContext#getSelectedElements|module:draw.DrawCanvasInit#getSelectedElements|module:path.EditorContext#getSelectedElements}
     */
+
+
     var getSelectedElements = this.getSelectedElems = function () {
       return selectedElements;
     };
 
     var pathActions$$1 = pathActions;
-
     /**
     * This should actually be an intersection as all interfaces should be met
     * @implements {module:utilities.EditorContext#getSVGRoot|module:recalculate.EditorContext#getSVGRoot|module:coords.EditorContext#getSVGRoot|module:path.EditorContext#getSVGRoot}
     */
+
     var getSVGRoot = function getSVGRoot() {
       return svgroot;
     };
@@ -12641,7 +13533,8 @@
     * @implements {module:utilities.EditorContext}
     */
     {
-      pathActions: pathActions$$1, // Ok since not modifying
+      pathActions: pathActions$$1,
+      // Ok since not modifying
       getSVGContent: getSVGContent,
       addSVGElementFromJson: addSVGElementFromJson,
       getSelectedElements: getSelectedElements,
@@ -12651,7 +13544,6 @@
       getDOMContainer: function getDOMContainer() {
         return container;
       },
-
       getSVGRoot: getSVGRoot,
       // TODO: replace this mostly with a way to get the current drawing.
       getBaseUnit: getBaseUnit,
@@ -12659,23 +13551,23 @@
         return curConfig.snappingStep;
       }
     });
-
     canvas.findDefs = findDefs;
     canvas.getUrlFromAttr = getUrlFromAttr;
     canvas.getHref = getHref;
     canvas.setHref = setHref;
-    /* const getBBox = */canvas.getBBox = getBBox;
+    /* const getBBox = */
+
+    canvas.getBBox = getBBox;
     canvas.getRotationAngle = getRotationAngle;
     canvas.getElem = getElem;
     canvas.getRefElem = getRefElem;
     canvas.assignAttributes = assignAttributes;
-
     this.cleanupElement = cleanupElement;
-
     /**
     * This should actually be an intersection not a union as all should apply
     * @implements {module:coords.EditorContext|module:path.EditorContext}
     */
+
     var getGridSnapping = function getGridSnapping() {
       return curConfig.gridSnapping;
     };
@@ -12688,12 +13580,10 @@
       getDrawing: function getDrawing() {
         return getCurrentDrawing();
       },
-
       getSVGRoot: getSVGRoot,
       getGridSnapping: getGridSnapping
     });
     this.remapElement = remapElement;
-
     init$5(
     /**
     * @implements {module:recalculate.EditorContext}
@@ -12707,17 +13597,16 @@
         startTransform = transform;
       }
     });
-    this.recalculateDimensions = recalculateDimensions;
+    this.recalculateDimensions = recalculateDimensions; // import from sanitize.js
 
-    // import from sanitize.js
     var nsMap = getReverseNS();
     canvas.sanitizeSvg = sanitizeSvg;
-
     /**
     * @name undoMgr
     * @memberof module:svgcanvas.SvgCanvas#
     * @type {module:history.HistoryEventHandler}
     */
+
     var undoMgr = canvas.undoMgr = new UndoManager$1({
       /**
        * @param {string} eventType One of the HistoryEvent types
@@ -12726,8 +13615,8 @@
        * @returns {undefined}
        */
       handleHistoryEvent: function handleHistoryEvent(eventType, cmd) {
-        var EventTypes = HistoryEventTypes$1;
-        // TODO: handle setBlurOffsets.
+        var EventTypes = HistoryEventTypes$1; // TODO: handle setBlurOffsets.
+
         if (eventType === EventTypes.BEFORE_UNAPPLY || eventType === EventTypes.BEFORE_APPLY) {
           canvas.clearSelection();
         } else if (eventType === EventTypes.AFTER_APPLY || eventType === EventTypes.AFTER_UNAPPLY) {
@@ -12736,8 +13625,10 @@
           call('changed', elems);
           var cmdType = cmd.type();
           var isApply = eventType === EventTypes.AFTER_APPLY;
+
           if (cmdType === MoveElementCommand$1.type()) {
             var parent = isApply ? cmd.newParent : cmd.oldParent;
+
             if (parent === svgcontent) {
               identifyLayers();
             }
@@ -12745,6 +13636,7 @@
             if (cmd.parent === svgcontent) {
               identifyLayers();
             }
+
             if (cmdType === InsertElementCommand$1.type()) {
               if (isApply) {
                 restoreRefElems(cmd.elem);
@@ -12754,6 +13646,7 @@
                 restoreRefElems(cmd.elem);
               }
             }
+
             if (cmd.elem.tagName === 'use') {
               setUseData(cmd.elem);
             }
@@ -12762,12 +13655,12 @@
             if (cmd.elem.tagName === 'title' && cmd.elem.parentNode.parentNode === svgcontent) {
               identifyLayers();
             }
-            var values = isApply ? cmd.newValues : cmd.oldValues;
-            // If stdDeviation was changed, update the blur.
+
+            var values = isApply ? cmd.newValues : cmd.oldValues; // If stdDeviation was changed, update the blur.
+
             if (values.stdDeviation) {
               canvas.setBlurOffsets(cmd.elem.parentNode, values.stdDeviation);
-            }
-            // This is resolved in later versions of webkit, perhaps we should
+            } // This is resolved in later versions of webkit, perhaps we should
             // have a featured detection for correct 'use' behavior?
             // ——————————
             // Remove & Re-add hack for Webkit (issue 775)
@@ -12781,34 +13674,37 @@
             //    // Ok to replace above with this? `sib.before(elem);`
             //  }
             // }
+
           }
         }
       }
     });
-
     /**
     * This should really be an intersection applying to all types rather than a union
     * @function module:svgcanvas~addCommandToHistory
     * @implements {module:path.EditorContext#addCommandToHistory|module:draw.DrawCanvasInit#addCommandToHistory}
     */
+
     var addCommandToHistory = function addCommandToHistory(cmd) {
       canvas.undoMgr.addCommandToHistory(cmd);
     };
-
     /**
     * This should really be an intersection applying to all types rather than a union
     * @function module:svgcanvas.SvgCanvas#getZoom
     * @implements {module:path.EditorContext#getCurrentZoom|module:select.SVGFactory#getCurrentZoom}
     */
+
+
     var getCurrentZoom = this.getZoom = function () {
       return currentZoom;
     };
-
     /**
     * This method rounds the incoming value to the nearest value based on the `currentZoom`
     * @function module:svgcanvas.SvgCanvas#round
     * @implements {module:path.EditorContext#round}
     */
+
+
     var round = this.round = function (val) {
       return parseInt(val * currentZoom, 10) / currentZoom;
     };
@@ -12828,7 +13724,6 @@
       svgContent: function svgContent() {
         return svgcontent;
       },
-
       getCurrentZoom: getCurrentZoom
     });
     /**
@@ -12836,24 +13731,25 @@
     * @name module:svgcanvas.SvgCanvas#selectorManager
     * @type {module:select.SelectorManager}
     */
-    var selectorManager = this.selectorManager = getSelectorManager();
 
+    var selectorManager = this.selectorManager = getSelectorManager();
     /**
     * @function module:svgcanvas.SvgCanvas#getNextId
     * @implements {module:path.EditorContext#getNextId}
     */
+
     var getNextId = canvas.getNextId = function () {
       return getCurrentDrawing().getNextId();
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getId
     * @implements {module:path.EditorContext#getId}
     */
+
+
     var getId = canvas.getId = function () {
       return getCurrentDrawing().getId();
     };
-
     /**
     * The "implements" should really be an intersection applying to all types rather than a union
     * @function module:svgcanvas.SvgCanvas#call
@@ -12862,12 +13758,13 @@
     * @param {module:svgcanvas.SvgCanvas#event:GenericCanvasEvent} arg - Argument to pass through to the callback function.
     * @returns {undefined}
     */
+
+
     var call = function call(ev, arg) {
       if (events[ev]) {
         return events[ev](window, arg);
       }
     };
-
     /**
     * Clears the selection. The 'selected' handler is then optionally called.
     * This should really be an intersection applying to all types rather than a union
@@ -12875,11 +13772,14 @@
     * @implements {module:draw.DrawCanvasInit#clearSelection|module:path.EditorContext#clearSelection}
     * @fires module:svgcanvas.SvgCanvas#event:selected
     */
+
+
     var clearSelection = this.clearSelection = function (noCall) {
       selectedElements.forEach(function (elem) {
         if (elem == null) {
           return;
         }
+
         selectorManager.releaseSelector(elem);
       });
       selectedElements = [];
@@ -12888,35 +13788,42 @@
         call('selected', selectedElements);
       }
     };
-
     /**
     * Adds a list of elements to the selection. The 'selected' handler is then called.
     * @function module:svgcanvas.SvgCanvas#addToSelection
     * @implements {module:path.EditorContext#addToSelection}
     * @fires module:svgcanvas.SvgCanvas#event:selected
     */
+
+
     var addToSelection = this.addToSelection = function (elemsToAdd, showGrips) {
       if (!elemsToAdd.length) {
         return;
-      }
-      // find the first null in our selectedElements array
+      } // find the first null in our selectedElements array
+
 
       var j = 0;
+
       while (j < selectedElements.length) {
         if (selectedElements[j] == null) {
           break;
         }
-        ++j;
-      }
 
-      // now add each element consecutively
+        ++j;
+      } // now add each element consecutively
+
+
       var i = elemsToAdd.length;
+
       while (i--) {
         var elem = elemsToAdd[i];
+
         if (!elem) {
           continue;
         }
+
         var bbox = getBBox(elem);
+
         if (!bbox) {
           continue;
         }
@@ -12924,14 +13831,13 @@
         if (elem.tagName === 'a' && elem.childNodes.length === 1) {
           // Make "a" element's child be the selected element
           elem = elem.firstChild;
-        }
+        } // if it's not already there, add it
+
 
-        // if it's not already there, add it
         if (!selectedElements.includes(elem)) {
-          selectedElements[j] = elem;
-
-          // only the first selectedBBoxes element is ever used in the codebase these days
+          selectedElements[j] = elem; // only the first selectedBBoxes element is ever used in the codebase these days
           // if (j === 0) selectedBBoxes[0] = utilsGetBBox(elem);
+
           j++;
           var sel = selectorManager.requestSelector(elem, bbox);
 
@@ -12940,75 +13846,78 @@
           }
         }
       }
+
       call('selected', selectedElements);
 
       if (showGrips || selectedElements.length === 1) {
         selectorManager.requestSelector(selectedElements[0]).showGrips(true);
       } else {
         selectorManager.requestSelector(selectedElements[0]).showGrips(false);
-      }
-
-      // make sure the elements are in the correct order
+      } // make sure the elements are in the correct order
       // See: https://www.w3.org/TR/DOM-Level-3-Core/core.html#Node3-compareDocumentPosition
 
+
       selectedElements.sort(function (a, b) {
         if (a && b && a.compareDocumentPosition) {
           return 3 - (b.compareDocumentPosition(a) & 6);
         }
+
         if (a == null) {
           return 1;
         }
-      });
+      }); // Make sure first elements are not null
 
-      // Make sure first elements are not null
       while (selectedElements[0] == null) {
         selectedElements.shift(0);
       }
     };
-
     /**
     * @implements {module:path.EditorContext#getOpacity}
     */
+
+
     var getOpacity = function getOpacity() {
       return curShape.opacity;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getMouseTarget
     * @implements {module:path.EditorContext#getMouseTarget}
     */
+
+
     var getMouseTarget = this.getMouseTarget = function (evt) {
       if (evt == null) {
         return null;
       }
-      var mouseTarget = evt.target;
 
-      // if it was a <use>, Opera and WebKit return the SVGElementInstance
+      var mouseTarget = evt.target; // if it was a <use>, Opera and WebKit return the SVGElementInstance
+
       if (mouseTarget.correspondingUseElement) {
         mouseTarget = mouseTarget.correspondingUseElement;
-      }
-
-      // for foreign content, go up until we find the foreignObject
+      } // for foreign content, go up until we find the foreignObject
       // WebKit browsers set the mouse target to the svgcanvas div
+
+
       if ([NS.MATH, NS.HTML].includes(mouseTarget.namespaceURI) && mouseTarget.id !== 'svgcanvas') {
         while (mouseTarget.nodeName !== 'foreignObject') {
           mouseTarget = mouseTarget.parentNode;
+
           if (!mouseTarget) {
             return svgroot;
           }
         }
-      }
-
-      // Get the desired mouseTarget with jQuery selector-fu
+      } // Get the desired mouseTarget with jQuery selector-fu
       // If it's root-like, select the root
+
+
       var currentLayer = getCurrentDrawing().getCurrentLayer();
+
       if ([svgroot, container, svgcontent, currentLayer].includes(mouseTarget)) {
         return svgroot;
       }
 
-      var $target = $$9(mouseTarget);
+      var $target = $$9(mouseTarget); // If it's a selection grip, return the grip parent
 
-      // If it's a selection grip, return the grip parent
       if ($target.closest('#selectorParentGroup').length) {
         // While we could instead have just returned mouseTarget,
         // this makes it easier to indentify as being a selector grip
@@ -13017,9 +13926,7 @@
 
       while (mouseTarget.parentNode !== (currentGroup || currentLayer)) {
         mouseTarget = mouseTarget.parentNode;
-      }
-
-      //
+      } //
       // // go up until we hit a child of a layer
       // while (mouseTarget.parentNode.parentNode.tagName == 'g') {
       //   mouseTarget = mouseTarget.parentNode;
@@ -13030,28 +13937,34 @@
       //   mouseTarget = svgroot;
       // }
 
+
       return mouseTarget;
     };
-
     /**
     * @namespace {module:path.pathActions} pathActions
     * @memberof module:svgcanvas.SvgCanvas#
     * @see module:path.pathActions
     */
+
+
     canvas.pathActions = pathActions$$1;
     /**
     * @implements {module:path.EditorContext#resetD}
     */
+
     function resetD(p) {
       p.setAttribute('d', pathActions$$1.convertPath(p));
     }
+
     init$1(
     /**
     * @implements {module:path.EditorContext}
     */
     {
-      selectorManager: selectorManager, // Ok since not changing
-      canvas: canvas, // Ok since not changing
+      selectorManager: selectorManager,
+      // Ok since not changing
+      canvas: canvas,
+      // Ok since not changing
       call: call,
       resetD: resetD,
       round: round,
@@ -13086,11 +13999,13 @@
       addPtsToSelection: function addPtsToSelection(_ref) {
         var closedSubpath = _ref.closedSubpath,
             grips = _ref.grips;
-
         // TODO: Correct this:
         pathActions$$1.canDeleteNodes = true;
         pathActions$$1.closed_subpath = closedSubpath;
-        call('pointsAdded', { closedSubpath: closedSubpath, grips: grips });
+        call('pointsAdded', {
+          closedSubpath: closedSubpath,
+          grips: grips
+        });
         call('selected', grips);
       },
 
@@ -13103,11 +14018,9 @@
       endChanges: function endChanges(_ref2) {
         var cmd = _ref2.cmd,
             elem = _ref2.elem;
-
         addCommandToHistory(cmd);
         call('changed', [elem]);
       },
-
       getCurrentZoom: getCurrentZoom,
       getId: getId,
       getNextId: getNextId,
@@ -13126,19 +14039,14 @@
         drawnPath = dp;
         return drawnPath;
       },
-
       getSVGRoot: getSVGRoot
-    });
+    }); // Interface strings, usually for title elements
 
-    // Interface strings, usually for title elements
     var uiStrings = {};
-
     var visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use';
     var refAttrs = ['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'];
+    var elData = $$9.data; // Animation element to change the opacity of any newly created element
 
-    var elData = $$9.data;
-
-    // Animation element to change the opacity of any newly created element
     var opacAni = document.createElementNS(NS.SVG, 'animate');
     $$9(opacAni).attr({
       attributeName: 'opacity',
@@ -13150,11 +14058,14 @@
     var restoreRefElems = function restoreRefElems(elem) {
       // Look for missing reference elements, restore any found
       var attrs = $$9(elem).attr(refAttrs);
+
       for (var o in attrs) {
         var val = attrs[o];
+
         if (val && val.startsWith('url(')) {
           var id = getUrlFromAttr(val).substr(1);
           var ref = getElem(id);
+
           if (!ref) {
             findDefs().append(removedElements[id]);
             delete removedElements[id];
@@ -13169,9 +14080,7 @@
           restoreRefElems(childs[i]);
         }
       }
-    };
-
-    // (function () {
+    }; // (function () {
     // TODO For Issue 208: this is a start on a thumbnail
     //  const svgthumb = svgdoc.createElementNS(NS.SVG, 'use');
     //  svgthumb.setAttribute('width', '100');
@@ -13186,84 +14095,58 @@
      * @property {"embed"} [image]
      * @property {Integer} round_digits
      */
-
     // Object to contain image data for raster images that were found encodable
+
+
     var encodableImages = {},
+        // Object with save options
 
-
-    // Object with save options
     /**
      * @type {module:svgcanvas.SaveOptions}
      */
-    saveOptions = { round_digits: 5 },
-
-
-    // Object with IDs for imported files, to see if one was already added
+    saveOptions = {
+      round_digits: 5
+    },
+        // Object with IDs for imported files, to see if one was already added
     importIds = {},
-
-
-    // Current text style properties
+        // Current text style properties
     curText = allProperties.text,
-
-
-    // Object to contain all included extensions
+        // Object to contain all included extensions
     extensions = {},
-
-
-    // Map of deleted reference elements
+        // Map of deleted reference elements
     removedElements = {};
-
-    var
-    // String with image URL of last loadable image
+    var // String with image URL of last loadable image
     lastGoodImgUrl = curConfig.imgPath + 'logo.png',
-
-
-    // Boolean indicating whether or not a draw action has been started
+        // Boolean indicating whether or not a draw action has been started
     started = false,
-
-
-    // String with an element's initial transform attribute value
+        // String with an element's initial transform attribute value
     startTransform = null,
-
-
-    // String indicating the current editor mode
+        // String indicating the current editor mode
     currentMode = 'select',
-
-
-    // String with the current direction in which an element is being resized
+        // String with the current direction in which an element is being resized
     currentResizeMode = 'none',
-
-
-    // Current general properties
+        // Current general properties
     curProperties = curShape,
-
-
-    // Array with selected elements' Bounding box object
+        // Array with selected elements' Bounding box object
     // selectedBBoxes = new Array(1),
-
     // The DOM element that was just selected
     justSelected = null,
-
-
-    // DOM element for selection rectangle drawn by the user
+        // DOM element for selection rectangle drawn by the user
     rubberBox = null,
-
-
-    // Array of current BBoxes, used in getIntersectionList().
+        // Array of current BBoxes, used in getIntersectionList().
     curBBoxes = [],
-
-
-    // Canvas point for the most recent right click
+        // Canvas point for the most recent right click
     lastClickPoint = null;
-
     /**
     * @typedef {module:svgcanvas.ExtensionMouseDownStatus|module:svgcanvas.ExtensionMouseUpStatus|module:svgcanvas.ExtensionIDsUpdatedStatus|module:locale.ExtensionLocaleData[]|undefined} module:svgcanvas.ExtensionStatus
     * @tutorial ExtensionDocs
     */
+
     /**
     * @callback module:svgcanvas.ExtensionVarBuilder
     * @param {string} name The name of the extension
     */
+
     /**
     * @todo Consider: Should this return an array by default, so extension results aren't overwritten?
     * @todo Would be easier to document if passing in object with key of action and vars as value; could then define an interface which tied both together
@@ -13273,6 +14156,7 @@
     * @param {boolean} [returnArray]
     * @returns {GenericArray.<module:svgcanvas.ExtensionStatus>|module:svgcanvas.ExtensionStatus|false} See {@tutorial ExtensionDocs} on the ExtensionStatus.
     */
+
     var runExtensions = this.runExtensions = function (action, vars, returnArray) {
       var result = returnArray ? [] : false;
       $$9.each(extensions, function (name, ext) {
@@ -13280,6 +14164,7 @@
           if (typeof vars === 'function') {
             vars = vars(name); // ext, action
           }
+
           if (returnArray) {
             result.push(ext[action](vars));
           } else {
@@ -13289,17 +14174,18 @@
       });
       return result;
     };
-
     /**
     * @typedef {PlainObject} module:svgcanvas.ExtensionMouseDownStatus
     * @property {boolean} started Indicates that creating/editing has started
     */
+
     /**
     * @typedef {PlainObject} module:svgcanvas.ExtensionMouseUpStatus
     * @property {boolean} keep Indicates if the current element should be kept
     * @property {boolean} started Indicates if editing should still be considered as "started"
     * @property {Element} element The element being affected
     */
+
     /**
     * @typedef {PlainObject} module:svgcanvas.ExtensionIDsUpdatedStatus
     * @property {string[]} remove Contains string IDs (used by `ext-connector.js`)
@@ -13311,81 +14197,97 @@
      * @property {module:SVGEditor.Button[]|PlainObject.<Integer, module:SVGEditor.Button>} [buttons]
      * @property {string} [svgicons] The location of a local SVG or SVGz file
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#mouseDown
      * @param {module:svgcanvas.SvgCanvas#event:ext-mouseDown} arg
      * @returns {undefined|module:svgcanvas.ExtensionMouseDownStatus}
      */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#mouseMove
      * @param {module:svgcanvas.SvgCanvas#event:ext-mouseMove} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#mouseUp
      * @param {module:svgcanvas.SvgCanvas#event:ext-mouseUp} arg
      * @returns {module:svgcanvas.ExtensionMouseUpStatus}
      */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#zoomChanged
      * @param {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#IDsUpdated
      * @param {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} arg
      * @returns {module:svgcanvas.ExtensionIDsUpdatedStatus}
      */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#canvasUpdated
      * @param {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#toolButtonStateUpdate
      * @param {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#selectedChanged
      * @param {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#elementTransition
      * @param {module:svgcanvas.SvgCanvas#event:ext-elementTransition} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#elementChanged
      * @param {module:svgcanvas.SvgCanvas#event:ext-elementChanged} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#langReady
      * @param {module:svgcanvas.SvgCanvas#event:ext-langReady} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#langChanged
      * @param {module:svgcanvas.SvgCanvas#event:ext-langChanged} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#addLangData
      * @param {module:svgcanvas.SvgCanvas#event:ext-addLangData} arg
      * @returns {Promise} Resolves to {@link module:locale.ExtensionLocaleData}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#onNewDocument
      * @param {module:svgcanvas.SvgCanvas#event:ext-onNewDocument} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#workareaResized
      * @param {module:svgcanvas.SvgCanvas#event:ext-workareaResized} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#callback
      * @param {module:svgcanvas.SvgCanvas#event:ext-callback} arg
@@ -13398,6 +14300,7 @@
     * @param {module:svgcanvas.ExtensionArgumentObject} arg
     * @returns {Promise} Resolves to [ExtensionInitResponse]{@link module:svgcanvas.ExtensionInitResponse} or `undefined`
     */
+
     /**
     * Add an extension to the editor
     * @function module:svgcanvas.SvgCanvas#addExtension
@@ -13408,8 +14311,14 @@
     * @throws {TypeError} If `extInitFunc` is not a function
     * @returns {Promise} Resolves to `undefined`
     */
-    this.addExtension = function () {
-      var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(name, extInitFunc, importLocale) {
+
+
+    this.addExtension =
+    /*#__PURE__*/
+    function () {
+      var _ref3 = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(name, extInitFunc, importLocale) {
         var argObj, extObj;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
@@ -13429,6 +14338,7 @@
                 }
 
                 // Provide private vars/funcs here. Is there a better way to do this?
+
                 /**
                  * @typedef {module:svgcanvas.PrivateMethods} module:svgcanvas.ExtensionArgumentObject
                  * @property {SVGSVGElement} svgroot See {@link module:svgcanvas~svgroot}
@@ -13437,6 +14347,7 @@
                  * @property {module:select.SelectorManager} selectorManager
                  * @property {module:SVGEditor~ImportLocale} importLocale
                  */
+
                 /**
                  * @type {module:svgcanvas.ExtensionArgumentObject}
                  * @see {@link module:svgcanvas.PrivateMethods} source for the other methods/properties
@@ -13459,13 +14370,13 @@
                 }
 
                 extensions[name] = extObj;
-                return _context.abrupt('return', call('extension_added', extObj));
+                return _context.abrupt("return", call('extension_added', extObj));
 
               case 12:
                 console.log('Cannot add extension "' + name + '", an extension by that name already exists.');
 
               case 13:
-              case 'end':
+              case "end":
                 return _context.stop();
             }
           }
@@ -13476,7 +14387,6 @@
         return _ref3.apply(this, arguments);
       };
     }();
-
     /**
     * This method sends back an array or a NodeList full of elements that
     * intersect the multi-select rubber-band-box on the currentLayer only.
@@ -13489,14 +14399,16 @@
     * @param {SVGRect} rect
     * @returns {Element[]|NodeList} Bbox elements
     */
+
+
     var getIntersectionList = this.getIntersectionList = function (rect) {
       if (rubberBox == null) {
         return null;
       }
 
       var parent = currentGroup || getCurrentDrawing().getCurrentLayer();
+      var rubberBBox;
 
-      var rubberBBox = void 0;
       if (!rect) {
         rubberBBox = rubberBox.getBBox();
         var bb = svgcontent.createSVGRect();
@@ -13504,6 +14416,7 @@
         for (var o in rubberBBox) {
           bb[o] = rubberBBox[o] / currentZoom;
         }
+
         rubberBBox = bb;
       } else {
         rubberBBox = svgcontent.createSVGRect();
@@ -13514,12 +14427,12 @@
       }
 
       var resultList = null;
+
       if (!isIE) {
         if (typeof svgroot.getIntersectionList === 'function') {
           // Offset the bbox of the rubber box by the offset of the svgcontent element.
           rubberBBox.x += parseInt(svgcontent.getAttribute('x'), 10);
           rubberBBox.y += parseInt(svgcontent.getAttribute('y'), 10);
-
           resultList = svgroot.getIntersectionList(rubberBBox, parent);
         }
       }
@@ -13531,27 +14444,28 @@
           // Cache all bboxes
           curBBoxes = getVisibleElementsAndBBoxes(parent);
         }
+
         var i = curBBoxes.length;
+
         while (i--) {
           if (!rubberBBox.width) {
             continue;
           }
+
           if (rectsIntersect(rubberBBox, curBBoxes[i].bbox)) {
             resultList.push(curBBoxes[i].elem);
           }
         }
-      }
-
-      // addToSelection expects an array, but it's ok to pass a NodeList
+      } // addToSelection expects an array, but it's ok to pass a NodeList
       // because using square-bracket notation is allowed:
       // https://www.w3.org/TR/DOM-Level-2-Core/ecma-script-binding.html
+
+
       return resultList;
     };
 
     this.getStrokedBBox = getStrokedBBoxDefaultVisible;
-
     this.getVisibleElements = getVisibleElements;
-
     /**
     * @typedef {PlainObject} ElementAndBBox
     * @property {Element} elem - The element
@@ -13566,58 +14480,66 @@
     * @param {Element} parent - The parent DOM element to search within
     * @returns {ElementAndBBox[]} An array with objects that include:
     */
+
     var getVisibleElementsAndBBoxes = this.getVisibleElementsAndBBoxes = function (parent) {
       if (!parent) {
         parent = $$9(svgcontent).children(); // Prevent layers from being included
       }
+
       var contentElems = [];
       $$9(parent).children().each(function (i, elem) {
         if (elem.getBBox) {
-          contentElems.push({ elem: elem, bbox: getStrokedBBoxDefaultVisible([elem]) });
+          contentElems.push({
+            elem: elem,
+            bbox: getStrokedBBoxDefaultVisible([elem])
+          });
         }
       });
       return contentElems.reverse();
     };
-
     /**
     * Wrap an SVG element into a group element, mark the group as 'gsvg'
     * @function module:svgcanvas.SvgCanvas#groupSvgElem
     * @param {Element} elem - SVG element to wrap
     * @returns {undefined}
     */
+
+
     var groupSvgElem = this.groupSvgElem = function (elem) {
       var g = document.createElementNS(NS.SVG, 'g');
       elem.replaceWith(g);
       $$9(g).append(elem).data('gsvg', elem)[0].id = getNextId();
-    };
-
-    // Set scope for these functions
-
+    }; // Set scope for these functions
     // Object to contain editor event names and callback functions
-    var events = {};
 
+
+    var events = {};
     canvas.call = call;
     /**
      * Array of what was changed (elements, layers)
      * @event module:svgcanvas.SvgCanvas#event:changed
      * @type {Element[]}
      */
+
     /**
      * Array of selected elements
      * @event module:svgcanvas.SvgCanvas#event:selected
      * @type {Element[]}
      */
+
     /**
      * Array of selected elements
      * @event module:svgcanvas.SvgCanvas#event:transition
      * @type {Element[]}
      */
+
     /**
      * The Element is always `SVGGElement`?
      * If not `null`, will be the set current group element
      * @event module:svgcanvas.SvgCanvas#event:contextset
      * @type {null|Element}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:pointsAdded
      * @type {PlainObject}
@@ -13635,17 +14557,20 @@
      * @property {0.5|2} factor
      * @see module:SVGEditor.BBoxObjectWithFactor
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:updateCanvas
      * @type {PlainObject}
      * @property {false} center
      * @property {module:math.XYObject} newCtr
      */
+
     /**
      * @typedef {PlainObject} module:svgcanvas.ExtensionInitResponsePlusName
      * @implements {module:svgcanvas.ExtensionInitResponse}
      * @property {string} name The extension's resolved ID (whether explicit or based on file name)
      */
+
     /**
      * Generalized extension object response of
      * [`init()`]{@link module:svgcanvas.ExtensionInitCallback}
@@ -13653,36 +14578,44 @@
      * @event module:svgcanvas.SvgCanvas#event:extension_added
      * @type {module:svgcanvas.ExtensionInitResponsePlusName|undefined}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:extensions_added
      * @type {undefined}
     */
+
     /**
      * @typedef {PlainObject} module:svgcanvas.Message
      * @property {Any} data The data
      * @property {string} origin The origin
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:message
      * @type {module:svgcanvas.Message}
      */
+
     /**
      * SVG canvas converted to string
      * @event module:svgcanvas.SvgCanvas#event:saved
      * @type {string}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:setnonce
      * @type {!(string|Integer)}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:unsetnonce
      * @type {undefined}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:zoomDone
      * @type {undefined}
     */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:cleared
      * @type {undefined}
@@ -13692,10 +14625,12 @@
      * @event module:svgcanvas.SvgCanvas#event:exported
      * @type {module:svgcanvas.ImageExportedResults}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:exportedPDF
      * @type {module:svgcanvas.PDFExportedResults}
      */
+
     /**
      * Creating a cover-all class until {@link https://github.com/jsdoc3/jsdoc/issues/1545} may be supported.
      * `undefined` may be returned by {@link module:svgcanvas.SvgCanvas#event:extension_added} if the extension's `init` returns `undefined` It is also the type for the following events "zoomDone", "unsetnonce", "cleared", and "extensions_added".
@@ -13717,29 +14652,30 @@
     * @param {module:svgcanvas.EventHandler} f - The callback function to bind to the event
     * @returns {module:svgcanvas.EventHandler} The previous event
     */
+
     canvas.bind = function (ev, f) {
       var old = events[ev];
       events[ev] = f;
       return old;
     };
-
     /**
     * Runs the SVG Document through the sanitizer and then updates its paths.
     * @function module:svgcanvas.SvgCanvas#prepareSvg
     * @param {XMLDocument} newDoc - The SVG DOM document
     * @returns {undefined}
     */
-    this.prepareSvg = function (newDoc) {
-      this.sanitizeSvg(newDoc.documentElement);
 
-      // convert paths into absolute commands
-      var paths = [].concat(toConsumableArray(newDoc.getElementsByTagNameNS(NS.SVG, 'path')));
+
+    this.prepareSvg = function (newDoc) {
+      this.sanitizeSvg(newDoc.documentElement); // convert paths into absolute commands
+
+      var paths = _toConsumableArray(newDoc.getElementsByTagNameNS(NS.SVG, 'path'));
+
       paths.forEach(function (path$$1) {
         path$$1.setAttribute('d', pathActions$$1.convertPath(path$$1));
         pathActions$$1.fixEnd(path$$1);
       });
     };
-
     /**
     * Hack for Firefox bugs where text element features aren't updated or get
     * messed up. See issue 136 and issue 137.
@@ -13750,10 +14686,13 @@
     * @param {Element} elem - The (text) DOM element to clone
     * @returns {Element} Cloned element
     */
+
+
     var ffClone = function ffClone(elem) {
       if (!isGecko()) {
         return elem;
       }
+
       var clone = elem.cloneNode(true);
       elem.before(clone);
       elem.remove();
@@ -13761,9 +14700,7 @@
       selectedElements[0] = clone;
       selectorManager.requestSelector(clone).showGrips(true);
       return clone;
-    };
-
-    // `this.each` is deprecated, if any extension used this it can be recreated by doing this:
+    }; // `this.each` is deprecated, if any extension used this it can be recreated by doing this:
     // * @example $(canvas.getRootElem()).children().each(...)
     // * @function module:svgcanvas.SvgCanvas#each
     // this.each = function (cb) {
@@ -13779,6 +14716,8 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setRotationAngle = function (val, preventUndo) {
       // ensure val is the proper type
       val = parseFloat(val);
@@ -13787,20 +14726,22 @@
       var bbox = getBBox(elem);
       var cx = bbox.x + bbox.width / 2,
           cy = bbox.y + bbox.height / 2;
-      var tlist = getTransformList(elem);
+      var tlist = getTransformList(elem); // only remove the real rotational transform if present (i.e. at index=0)
 
-      // only remove the real rotational transform if present (i.e. at index=0)
       if (tlist.numberOfItems > 0) {
         var xform = tlist.getItem(0);
+
         if (xform.type === 4) {
           tlist.removeItem(0);
         }
-      }
-      // find Rnc and insert it
+      } // find Rnc and insert it
+
+
       if (val !== 0) {
         var center = transformPoint(cx, cy, transformListToTransform(tlist).matrix);
         var Rnc = svgroot.createSVGTransform();
         Rnc.setRotate(val, center.x, center.y);
+
         if (tlist.numberOfItems) {
           tlist.insertItemBefore(Rnc, 0);
         } else {
@@ -13817,16 +14758,16 @@
         elem.setAttribute('transform', oldTransform);
         changeSelectedAttribute('transform', newTransform, selectedElements);
         call('changed', selectedElements);
-      }
-      // const pointGripContainer = getElem('pathpointgrip_container');
+      } // const pointGripContainer = getElem('pathpointgrip_container');
       // if (elem.nodeName === 'path' && pointGripContainer) {
       //   pathActions.setPointContainerTransform(elem.getAttribute('transform'));
       // }
+
+
       var selector = selectorManager.requestSelector(selectedElements[0]);
       selector.resize();
       selector.updateGripCursors(val);
     };
-
     /**
     * Runs `recalculateDimensions` on the selected elements,
     * adding the changes to a single batch command
@@ -13834,15 +14775,18 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     var recalculateAllSelectedDimensions = this.recalculateAllSelectedDimensions = function () {
       var text = currentResizeMode === 'none' ? 'position' : 'size';
       var batchCmd = new BatchCommand$1(text);
-
       var i = selectedElements.length;
+
       while (i--) {
-        var elem = selectedElements[i];
-        // if (getRotationAngle(elem) && !hasMatrixTransform(getTransformList(elem))) { continue; }
+        var elem = selectedElements[i]; // if (getRotationAngle(elem) && !hasMatrixTransform(getTransformList(elem))) { continue; }
+
         var cmd = recalculateDimensions(elem);
+
         if (cmd) {
           batchCmd.addSubCommand(cmd);
         }
@@ -13853,24 +14797,23 @@
         call('changed', selectedElements);
       }
     };
-
     /**
      * Debug tool to easily see the current matrix in the browser's console
      * @function module:svgcanvas~logMatrix
      * @param {SVGMatrix} m The matrix
      * @returns {undefined}
      */
+
+
     var logMatrix = function logMatrix(m) {
       console.log([m.a, m.b, m.c, m.d, m.e, m.f]);
-    };
+    }; // Root Current Transformation Matrix in user units
+
 
-    // Root Current Transformation Matrix in user units
     var rootSctm = null;
-
     /**
     * Group: Selection
     */
-
     // TODO: do we need to worry about selectedBBoxes here?
 
     /**
@@ -13880,12 +14823,11 @@
     * @param {boolean} showGrips - Indicates whether the resize grips should be shown
     * @returns {undefined}
     */
+
     var selectOnly = this.selectOnly = function (elems, showGrips) {
       clearSelection(true);
       addToSelection(elems, showGrips);
-    };
-
-    // TODO: could use slice here to make this faster?
+    }; // TODO: could use slice here to make this faster?
     // TODO: should the 'selected' handler
 
     /**
@@ -13894,19 +14836,26 @@
     * @param {Element[]} elemsToRemove - An array of elements to remove from selection
     * @returns {undefined}
     */
-    /* const removeFromSelection = */this.removeFromSelection = function (elemsToRemove) {
+
+    /* const removeFromSelection = */
+
+
+    this.removeFromSelection = function (elemsToRemove) {
       if (selectedElements[0] == null) {
         return;
       }
+
       if (!elemsToRemove.length) {
         return;
-      }
+      } // find every element and remove it from our array copy
+
 
-      // find every element and remove it from our array copy
       var newSelectedItems = [],
           len = selectedElements.length;
+
       for (var i = 0; i < len; ++i) {
         var elem = selectedElements[i];
+
         if (elem) {
           // keep the item
           if (!elemsToRemove.includes(elem)) {
@@ -13916,27 +14865,29 @@
             selectorManager.releaseSelector(elem);
           }
         }
-      }
-      // the copy becomes the master now
+      } // the copy becomes the master now
+
+
       selectedElements = newSelectedItems;
     };
-
     /**
     * Clears the selection, then adds all elements in the current layer to the selection.
     * @function module:svgcanvas.SvgCanvas#selectAllInCurrentLayer
     * @returns {undefined}
     */
+
+
     this.selectAllInCurrentLayer = function () {
       var currentLayer = getCurrentDrawing().getCurrentLayer();
+
       if (currentLayer) {
         currentMode = 'select';
         selectOnly($$9(currentGroup || currentLayer).children());
       }
     };
 
-    var drawnPath = null;
+    var drawnPath = null; // Mouse events
 
-    // Mouse events
     (function () {
       var freehand = {
         minx: null,
@@ -13953,17 +14904,38 @@
           rStartY = null,
           initBbox = {},
           sumDistance = 0,
-          controllPoint2 = { x: 0, y: 0 },
-          controllPoint1 = { x: 0, y: 0 },
-          start = { x: 0, y: 0 },
-          end = { x: 0, y: 0 },
-          bSpline = { x: 0, y: 0 },
-          nextPos = { x: 0, y: 0 },
-          parameter = void 0,
-          nextParameter = void 0;
+          controllPoint2 = {
+        x: 0,
+        y: 0
+      },
+          controllPoint1 = {
+        x: 0,
+        y: 0
+      },
+          start = {
+        x: 0,
+        y: 0
+      },
+          end = {
+        x: 0,
+        y: 0
+      },
+          bSpline = {
+        x: 0,
+        y: 0
+      },
+          nextPos = {
+        x: 0,
+        y: 0
+      },
+          parameter,
+          nextParameter;
 
       var getBsplinePoint = function getBsplinePoint(t) {
-        var spline = { x: 0, y: 0 },
+        var spline = {
+          x: 0,
+          y: 0
+        },
             p0 = controllPoint2,
             p1 = controllPoint1,
             p2 = start,
@@ -13971,12 +14943,9 @@
             S = 1.0 / 6.0,
             t2 = t * t,
             t3 = t2 * t;
-
         var m = [[-1, 3, -3, 1], [3, -6, 3, 0], [-3, 0, 3, 0], [1, 4, 1, 0]];
-
         spline.x = S * ((p0.x * m[0][0] + p1.x * m[0][1] + p2.x * m[0][2] + p3.x * m[0][3]) * t3 + (p0.x * m[1][0] + p1.x * m[1][1] + p2.x * m[1][2] + p3.x * m[1][3]) * t2 + (p0.x * m[2][0] + p1.x * m[2][1] + p2.x * m[2][2] + p3.x * m[2][3]) * t + (p0.x * m[3][0] + p1.x * m[3][1] + p2.x * m[3][2] + p3.x * m[3][3]));
         spline.y = S * ((p0.y * m[0][0] + p1.y * m[0][1] + p2.y * m[0][2] + p3.y * m[0][3]) * t3 + (p0.y * m[1][0] + p1.y * m[1][1] + p2.y * m[1][2] + p3.y * m[1][3]) * t2 + (p0.y * m[2][0] + p1.y * m[2][1] + p2.y * m[2][2] + p3.y * m[2][3]) * t + (p0.y * m[3][0] + p1.y * m[3][1] + p2.y * m[3][2] + p3.y * m[3][3]));
-
         return {
           x: spline.x,
           y: spline.y
@@ -13991,6 +14960,8 @@
        * @fires module:svgcanvas.SvgCanvas#event:ext-mouseDown
        * @returns {undefined}
        */
+
+
       var mouseDown = function mouseDown(evt) {
         if (canvas.spaceKey || evt.button === 1) {
           return;
@@ -14004,32 +14975,29 @@
         }
 
         rootSctm = $$9('#svgcontent g')[0].getScreenCTM().inverse();
-
         var pt = transformPoint(evt.pageX, evt.pageY, rootSctm),
             mouseX = pt.x * currentZoom,
             mouseY = pt.y * currentZoom;
-
         evt.preventDefault();
 
         if (rightClick) {
           currentMode = 'select';
           lastClickPoint = pt;
-        }
-
-        // This would seem to be unnecessary...
+        } // This would seem to be unnecessary...
         // if (!['select', 'resize'].includes(currentMode)) {
         //   setGradient();
         // }
 
+
         var x = mouseX / currentZoom,
             y = mouseY / currentZoom;
         var mouseTarget = getMouseTarget(evt);
 
         if (mouseTarget.tagName === 'a' && mouseTarget.childNodes.length === 1) {
           mouseTarget = mouseTarget.firstChild;
-        }
+        } // realX/y ignores grid-snap value
+
 
-        // realX/y ignores grid-snap value
         var realX = x;
         rStartX = startX = x;
         var realY = y;
@@ -14040,33 +15008,33 @@
           y = snapToGrid(y);
           startX = snapToGrid(startX);
           startY = snapToGrid(startY);
-        }
-
-        // if it is a selector grip, then it must be a single element selected,
+        } // if it is a selector grip, then it must be a single element selected,
         // set the mouseTarget to that and update the mode to rotate/resize
 
+
         if (mouseTarget === selectorManager.selectorParentGroup && selectedElements[0] != null) {
           var grip = evt.target;
-          var griptype = elData(grip, 'type');
-          // rotating
+          var griptype = elData(grip, 'type'); // rotating
+
           if (griptype === 'rotate') {
-            currentMode = 'rotate';
-            // resizing
+            currentMode = 'rotate'; // resizing
           } else if (griptype === 'resize') {
             currentMode = 'resize';
             currentResizeMode = elData(grip, 'dir');
           }
+
           mouseTarget = selectedElements[0];
         }
 
         startTransform = mouseTarget.getAttribute('transform');
-        var i = void 0,
-            strokeW = void 0;
+        var i, strokeW;
         var tlist = getTransformList(mouseTarget);
+
         switch (currentMode) {
           case 'select':
             started = true;
             currentResizeMode = 'none';
+
             if (rightClick) {
               started = false;
             }
@@ -14080,11 +15048,12 @@
                   // No need to do the call here as it will be done on addToSelection
                   clearSelection(true);
                 }
+
                 addToSelection([mouseTarget]);
                 justSelected = mouseTarget;
                 pathActions$$1.clear();
-              }
-              // else if it's a path, go into pathedit mode in mouseup
+              } // else if it's a path, go into pathedit mode in mouseup
+
 
               if (!rightClick) {
                 // insert a dummy transform so if the element(s) are moved it will have
@@ -14093,7 +15062,9 @@
                   if (selectedElements[i] == null) {
                     continue;
                   }
+
                   var slist = getTransformList(selectedElements[i]);
+
                   if (slist.numberOfItems) {
                     slist.insertItemBefore(svgroot.createSVGTransform(), 0);
                   } else {
@@ -14104,12 +15075,13 @@
             } else if (!rightClick) {
               clearSelection();
               currentMode = 'multiselect';
+
               if (rubberBox == null) {
                 rubberBox = selectorManager.getRubberBandBox();
               }
+
               rStartX *= currentZoom;
-              rStartY *= currentZoom;
-              // console.log('p',[evt.pageX, evt.pageY]);
+              rStartY *= currentZoom; // console.log('p',[evt.pageX, evt.pageY]);
               // console.log('c',[evt.clientX, evt.clientY]);
               // console.log('o',[evt.offsetX, evt.offsetY]);
               // console.log('s',[startX, startY]);
@@ -14122,12 +15094,16 @@
                 display: 'inline'
               }, 100);
             }
+
             break;
+
           case 'zoom':
             started = true;
+
             if (rubberBox == null) {
               rubberBox = selectorManager.getRubberBandBox();
             }
+
             assignAttributes(rubberBox, {
               x: realX * currentZoom,
               y: realX * currentZoom,
@@ -14136,22 +15112,21 @@
               display: 'inline'
             }, 100);
             break;
+
           case 'resize':
             started = true;
             startX = x;
-            startY = y;
-
-            // Getting the BBox from the selection box, since we know we
+            startY = y; // Getting the BBox from the selection box, since we know we
             // want to orient around it
+
             initBbox = getBBox($$9('#selectedBox0')[0]);
             var bb = {};
             $$9.each(initBbox, function (key, val) {
               bb[key] = val / currentZoom;
             });
-            initBbox = bb;
-
-            // append three dummy transforms to the tlist so that
+            initBbox = bb; // append three dummy transforms to the tlist so that
             // we can translate,scale,translate in mousemove
+
             var pos = getRotationAngle(mouseTarget) ? 1 : 0;
 
             if (hasMatrixTransform(tlist)) {
@@ -14169,47 +15144,55 @@
                 // Chromium issue: https://code.google.com/p/chromium/issues/detail?id=114625
                 // TODO: Remove this workaround once vendor fixes the issue
                 var iswebkit = isWebkit();
+                var delayedStroke;
 
-                var delayedStroke = void 0;
                 if (iswebkit) {
                   delayedStroke = function delayedStroke(ele) {
                     var _stroke = ele.getAttributeNS(null, 'stroke');
-                    ele.removeAttributeNS(null, 'stroke');
-                    // Re-apply stroke after delay. Anything higher than 1 seems to cause flicker
+
+                    ele.removeAttributeNS(null, 'stroke'); // Re-apply stroke after delay. Anything higher than 1 seems to cause flicker
+
                     if (_stroke !== null) setTimeout(function () {
                       ele.setAttributeNS(null, 'stroke', _stroke);
                     }, 0);
                   };
                 }
+
                 mouseTarget.style.vectorEffect = 'non-scaling-stroke';
+
                 if (iswebkit) {
                   delayedStroke(mouseTarget);
                 }
 
                 var all = mouseTarget.getElementsByTagName('*'),
                     len = all.length;
+
                 for (i = 0; i < len; i++) {
                   if (!all[i].style) {
                     // mathML
                     continue;
                   }
+
                   all[i].style.vectorEffect = 'non-scaling-stroke';
+
                   if (iswebkit) {
                     delayedStroke(all[i]);
                   }
                 }
               }
             }
+
             break;
+
           case 'fhellipse':
           case 'fhrect':
           case 'fhpath':
             start.x = realX;
             start.y = realY;
             started = true;
-            dAttr = realX + ',' + realY + ' ';
-            // Commented out as doing nothing now:
+            dAttr = realX + ',' + realY + ' '; // Commented out as doing nothing now:
             // strokeW = parseFloat(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;
+
             addSVGElementFromJson({
               element: 'polyline',
               curStyles: true,
@@ -14227,6 +15210,7 @@
             freehand.miny = realY;
             freehand.maxy = realY;
             break;
+
           case 'image':
             started = true;
             var newImage = addSVGElementFromJson({
@@ -14244,10 +15228,11 @@
             setHref(newImage, lastGoodImgUrl);
             preventClickDefault(newImage);
             break;
-          case 'square':
-          // FIXME: once we create the rect, we lose information that this was a square
+
+          case 'square': // FIXME: once we create the rect, we lose information that this was a square
           // (for resizing purposes this could be important)
           // Fallthrough
+
           case 'rect':
             started = true;
             startX = x;
@@ -14265,6 +15250,7 @@
               }
             });
             break;
+
           case 'line':
             started = true;
             strokeW = Number(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;
@@ -14289,6 +15275,7 @@
               }
             });
             break;
+
           case 'circle':
             started = true;
             addSVGElementFromJson({
@@ -14303,6 +15290,7 @@
               }
             });
             break;
+
           case 'ellipse':
             started = true;
             addSVGElementFromJson({
@@ -14318,9 +15306,12 @@
               }
             });
             break;
+
           case 'text':
             started = true;
-            /* const newText = */addSVGElementFromJson({
+            /* const newText = */
+
+            addSVGElementFromJson({
               element: 'text',
               curStyles: true,
               attr: {
@@ -14335,33 +15326,36 @@
                 'xml:space': 'preserve',
                 opacity: curShape.opacity
               }
-            });
-            // newText.textContent = 'text';
+            }); // newText.textContent = 'text';
+
             break;
-          case 'path':
-          // Fall through
+
+          case 'path': // Fall through
+
           case 'pathedit':
             startX *= currentZoom;
             startY *= currentZoom;
             pathActions$$1.mouseDown(evt, mouseTarget, startX, startY);
             started = true;
             break;
+
           case 'textedit':
             startX *= currentZoom;
             startY *= currentZoom;
             textActions.mouseDown(evt, mouseTarget, startX, startY);
             started = true;
             break;
+
           case 'rotate':
-            started = true;
-            // we are starting an undoable change (a drag-rotation)
+            started = true; // we are starting an undoable change (a drag-rotation)
+
             canvas.undoMgr.beginUndoableChange('transform', selectedElements);
             break;
+
           default:
             // This could occur in an extension
             break;
         }
-
         /**
          * The main (left) mouse button is held down on the canvas area
          * @event module:svgcanvas.SvgCanvas#event:ext-mouseDown
@@ -14371,22 +15365,24 @@
          * @property {Float} start_y y coordinate on canvas
          * @property {Element[]} selectedElements An array of the selected Elements
         */
-        var extResult = runExtensions('mouseDown', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseDown} */{
+
+
+        var extResult = runExtensions('mouseDown',
+        /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseDown} */
+        {
           event: evt,
           start_x: startX,
           start_y: startY,
           selectedElements: selectedElements
         }, true);
-
         $$9.each(extResult, function (i, r) {
           if (r && r.started) {
             started = true;
           }
         });
-      };
-
-      // in this function we do not record any state changes yet (but we do update
+      }; // in this function we do not record any state changes yet (but we do update
       // any elements that are still being created, moved or resized on the canvas)
+
       /**
        *
        * @param {MouseEvent} evt
@@ -14394,30 +15390,32 @@
        * @fires module:svgcanvas.SvgCanvas#event:ext-mouseMove
        * @returns {undefined}
        */
+
+
       var mouseMove = function mouseMove(evt) {
         if (!started) {
           return;
         }
+
         if (evt.button === 1 || canvas.spaceKey) {
           return;
         }
 
-        var i = void 0,
-            xya = void 0,
-            c = void 0,
-            cx = void 0,
-            cy = void 0,
-            dx = void 0,
-            dy = void 0,
-            len = void 0,
-            angle = void 0,
-            box = void 0,
+        var i,
+            xya,
+            c,
+            cx,
+            cy,
+            dx,
+            dy,
+            len,
+            angle,
+            box,
             selected = selectedElements[0];
         var pt = transformPoint(evt.pageX, evt.pageY, rootSctm),
             mouseX = pt.x * currentZoom,
             mouseY = pt.y * currentZoom,
             shape = getElem(getId());
-
         var realX = mouseX / currentZoom;
         var x = realX;
         var realY = mouseY / currentZoom;
@@ -14429,7 +15427,8 @@
         }
 
         evt.preventDefault();
-        var tlist = void 0;
+        var tlist;
+
         switch (currentMode) {
           case 'select':
             {
@@ -14444,7 +15443,6 @@
                   dx = snapToGrid(dx);
                   dy = snapToGrid(dy);
                 }
-
                 /*
                 // Commenting out as currently has no effect
                 if (evt.shiftKey) {
@@ -14453,43 +15451,49 @@
                 }
                 */
 
+
                 if (dx !== 0 || dy !== 0) {
                   len = selectedElements.length;
+
                   for (i = 0; i < len; ++i) {
                     selected = selectedElements[i];
+
                     if (selected == null) {
                       break;
-                    }
-                    // if (i === 0) {
+                    } // if (i === 0) {
                     //   const box = utilsGetBBox(selected);
                     //     selectedBBoxes[i].x = box.x + dx;
                     //     selectedBBoxes[i].y = box.y + dy;
                     // }
-
                     // update the dummy transform in our transform list
                     // to be a translate
+
+
                     var xform = svgroot.createSVGTransform();
-                    tlist = getTransformList(selected);
-                    // Note that if Webkit and there's no ID for this
+                    tlist = getTransformList(selected); // Note that if Webkit and there's no ID for this
                     // element, the dummy transform may have gotten lost.
                     // This results in unexpected behaviour
 
                     xform.setTranslate(dx, dy);
+
                     if (tlist.numberOfItems) {
                       tlist.replaceItem(xform, 0);
                     } else {
                       tlist.appendItem(xform);
-                    }
+                    } // update our internal bbox that we're tracking while dragging
+
 
-                    // update our internal bbox that we're tracking while dragging
                     selectorManager.requestSelector(selected).resize();
                   }
 
                   call('transition', selectedElements);
                 }
               }
+
               break;
-            }case 'multiselect':
+            }
+
+          case 'multiselect':
             {
               realX *= currentZoom;
               realY *= currentZoom;
@@ -14498,26 +15502,27 @@
                 y: Math.min(rStartY, realY),
                 width: Math.abs(realX - rStartX),
                 height: Math.abs(realY - rStartY)
-              }, 100);
-
-              // for each selected:
+              }, 100); // for each selected:
               // - if newList contains selected, do nothing
               // - if newList doesn't contain selected, remove it from selected
               // - for any newList that was not in selectedElements, add it to selected
+
               var elemsToRemove = selectedElements.slice(),
                   elemsToAdd = [],
-                  newList = getIntersectionList();
+                  newList = getIntersectionList(); // For every element in the intersection, add if not present in selectedElements.
 
-              // For every element in the intersection, add if not present in selectedElements.
               len = newList.length;
+
               for (i = 0; i < len; ++i) {
-                var intElem = newList[i];
-                // Found an element that was not selected before, so we should add it.
+                var intElem = newList[i]; // Found an element that was not selected before, so we should add it.
+
                 if (!selectedElements.includes(intElem)) {
                   elemsToAdd.push(intElem);
-                }
-                // Found an element that was already selected, so we shouldn't remove it.
+                } // Found an element that was already selected, so we shouldn't remove it.
+
+
                 var foundInd = elemsToRemove.indexOf(intElem);
+
                 if (foundInd !== -1) {
                   elemsToRemove.splice(foundInd, 1);
                 }
@@ -14532,7 +15537,9 @@
               }
 
               break;
-            }case 'resize':
+            }
+
+          case 'resize':
             {
               // we track the resize bounding box and translate/scale the selected element
               // while the mouse is down, when mouse goes up, we use this to recalculate
@@ -14545,7 +15552,6 @@
                   _box = box,
                   width = _box.width,
                   height = _box.height;
-
               dx = x - startX;
               dy = y - startY;
 
@@ -14554,22 +15560,24 @@
                 dy = snapToGrid(dy);
                 height = snapToGrid(height);
                 width = snapToGrid(width);
-              }
+              } // if rotated, adjust the dx,dy values
+
 
-              // if rotated, adjust the dx,dy values
               angle = getRotationAngle(selected);
+
               if (angle) {
                 var r = Math.sqrt(dx * dx + dy * dy),
                     theta = Math.atan2(dy, dx) - angle * Math.PI / 180.0;
                 dx = r * Math.cos(theta);
                 dy = r * Math.sin(theta);
-              }
-
-              // if not stretching in y direction, set dy to 0
+              } // if not stretching in y direction, set dy to 0
               // if not stretching in x direction, set dx to 0
+
+
               if (!currentResizeMode.includes('n') && !currentResizeMode.includes('s')) {
                 dy = 0;
               }
+
               if (!currentResizeMode.includes('e') && !currentResizeMode.includes('w')) {
                 dx = 0;
               }
@@ -14578,20 +15586,20 @@
               tx = 0,
                   ty = 0,
                   sy = height ? (height + dy) / height : 1,
-                  sx = width ? (width + dx) / width : 1;
-              // if we are dragging on the north side, then adjust the scale factor and ty
+                  sx = width ? (width + dx) / width : 1; // if we are dragging on the north side, then adjust the scale factor and ty
+
               if (currentResizeMode.includes('n')) {
                 sy = height ? (height - dy) / height : 1;
                 ty = height;
-              }
+              } // if we dragging on the east side, then adjust the scale factor and tx
+
 
-              // if we dragging on the east side, then adjust the scale factor and tx
               if (currentResizeMode.includes('w')) {
                 sx = width ? (width - dx) / width : 1;
                 tx = width;
-              }
+              } // update the transform list with translate,scale,translate
+
 
-              // update the transform list with translate,scale,translate
               var translateOrigin = svgroot.createSVGTransform(),
                   scale = svgroot.createSVGTransform(),
                   translateBack = svgroot.createSVGTransform();
@@ -14604,6 +15612,7 @@
               }
 
               translateOrigin.setTranslate(-(left + tx), -(top + ty));
+
               if (evt.shiftKey) {
                 if (sx === 1) {
                   sx = sy;
@@ -14611,9 +15620,10 @@
                   sy = sx;
                 }
               }
-              scale.setScale(sx, sy);
 
+              scale.setScale(sx, sy);
               translateBack.setTranslate(left + tx, top + ty);
+
               if (hasMatrix) {
                 var diff = angle ? 1 : 0;
                 tlist.replaceItem(translateOrigin, 2 + diff);
@@ -14627,11 +15637,11 @@
               }
 
               selectorManager.requestSelector(selected).resize();
-
               call('transition', selectedElements);
-
               break;
-            }case 'zoom':
+            }
+
+          case 'zoom':
             {
               realX *= currentZoom;
               realY *= currentZoom;
@@ -14642,14 +15652,18 @@
                 height: Math.abs(realY - rStartY * currentZoom)
               }, 100);
               break;
-            }case 'text':
+            }
+
+          case 'text':
             {
               assignAttributes(shape, {
                 x: x,
                 y: y
               }, 1000);
               break;
-            }case 'line':
+            }
+
+          case 'line':
             {
               if (curConfig.gridSnapping) {
                 x = snapToGrid(x);
@@ -14668,19 +15682,21 @@
               shape.setAttributeNS(null, 'x2', x2);
               shape.setAttributeNS(null, 'y2', y2);
               break;
-            }case 'foreignObject':
-          // fall through
-          case 'square':
-          // fall through
-          case 'rect':
-          // fall through
+            }
+
+          case 'foreignObject': // fall through
+
+          case 'square': // fall through
+
+          case 'rect': // fall through
+
           case 'image':
             {
               var square = currentMode === 'square' || evt.shiftKey;
               var w = Math.abs(x - startX),
                   h = Math.abs(y - startY);
-              var newX = void 0,
-                  newY = void 0;
+              var newX, newY;
+
               if (square) {
                 w = h = Math.max(w, h);
                 newX = startX < x ? startX : startX - w;
@@ -14703,22 +15719,26 @@
                 x: newX,
                 y: newY
               }, 1000);
-
               break;
-            }case 'circle':
+            }
+
+          case 'circle':
             {
               c = $$9(shape).attr(['cx', 'cy']);
               var _c = c;
               cx = _c.cx;
               cy = _c.cy;
-
               var rad = Math.sqrt((x - cx) * (x - cx) + (y - cy) * (y - cy));
+
               if (curConfig.gridSnapping) {
                 rad = snapToGrid(rad);
               }
+
               shape.setAttributeNS(null, 'r', rad);
               break;
-            }case 'ellipse':
+            }
+
+          case 'ellipse':
             {
               c = $$9(shape).attr(['cx', 'cy']);
               var _c2 = c;
@@ -14731,11 +15751,13 @@
                 y = snapToGrid(y);
                 cy = snapToGrid(cy);
               }
+
               shape.setAttributeNS(null, 'rx', Math.abs(x - cx));
               var ry = Math.abs(evt.shiftKey ? x - cx : y - cy);
               shape.setAttributeNS(null, 'ry', ry);
               break;
             }
+
           case 'fhellipse':
           case 'fhrect':
             {
@@ -14745,11 +15767,14 @@
               freehand.maxy = Math.max(realY, freehand.maxy);
             }
           // Fallthrough
+
           case 'fhpath':
             {
               // dAttr += + realX + ',' + realY + ' ';
               // shape.setAttributeNS(null, 'points', dAttr);
-              end.x = realX;end.y = realY;
+              end.x = realX;
+              end.y = realY;
+
               if (controllPoint2.x && controllPoint2.y) {
                 for (i = 0; i < STEP_COUNT - 1; i++) {
                   parameter = i / STEP_COUNT;
@@ -14758,10 +15783,10 @@
                   nextPos = bSpline;
                   bSpline = getBsplinePoint(parameter);
                   sumDistance += Math.sqrt((nextPos.x - bSpline.x) * (nextPos.x - bSpline.x) + (nextPos.y - bSpline.y) * (nextPos.y - bSpline.y));
-                  if (sumDistance > THRESHOLD_DIST) {
-                    sumDistance -= THRESHOLD_DIST;
 
-                    // Faster than completely re-writing the points attribute.
+                  if (sumDistance > THRESHOLD_DIST) {
+                    sumDistance -= THRESHOLD_DIST; // Faster than completely re-writing the points attribute.
+
                     var point = svgcontent.createSVGPoint();
                     point.x = bSpline.x;
                     point.y = bSpline.y;
@@ -14769,14 +15794,26 @@
                   }
                 }
               }
-              controllPoint2 = { x: controllPoint1.x, y: controllPoint1.y };
-              controllPoint1 = { x: start.x, y: start.y };
-              start = { x: end.x, y: end.y };
-              break;
-              // update path stretch line coordinates
-            }case 'path':
+
+              controllPoint2 = {
+                x: controllPoint1.x,
+                y: controllPoint1.y
+              };
+              controllPoint1 = {
+                x: start.x,
+                y: start.y
+              };
+              start = {
+                x: end.x,
+                y: end.y
+              };
+              break; // update path stretch line coordinates
+            }
+
+          case 'path':
 
           // fall through
+
           case 'pathedit':
             {
               x *= currentZoom;
@@ -14788,11 +15825,11 @@
                 startX = snapToGrid(startX);
                 startY = snapToGrid(startY);
               }
+
               if (evt.shiftKey) {
                 var path$$1 = path;
+                var x1, y1;
 
-                var x1 = void 0,
-                    y1 = void 0;
                 if (path$$1) {
                   x1 = path$$1.dragging ? path$$1.dragging[0] : startX;
                   y1 = path$$1.dragging ? path$$1.dragging[1] : startY;
@@ -14800,6 +15837,7 @@
                   x1 = startX;
                   y1 = startY;
                 }
+
                 xya = snapToAngle(x1, y1, x, y);
                 var _xya = xya;
                 x = _xya.x;
@@ -14816,14 +15854,15 @@
                   height: Math.abs(realY - rStartY * currentZoom)
                 }, 100);
               }
-              pathActions$$1.mouseMove(x, y);
 
+              pathActions$$1.mouseMove(x, y);
               break;
-            }case 'textedit':
+            }
+
+          case 'textedit':
             {
               x *= currentZoom;
-              y *= currentZoom;
-              // if (rubberBox && rubberBox.getAttribute('display') !== 'none') {
+              y *= currentZoom; // if (rubberBox && rubberBox.getAttribute('display') !== 'none') {
               //   assignAttributes(rubberBox, {
               //     x: Math.min(startX, x),
               //     y: Math.min(startY, y),
@@ -14833,9 +15872,10 @@
               // }
 
               textActions.mouseMove(mouseX, mouseY);
-
               break;
-            }case 'rotate':
+            }
+
+          case 'rotate':
             {
               box = getBBox(selected);
               cx = box.x + box.width / 2;
@@ -14845,9 +15885,11 @@
               cx = center.x;
               cy = center.y;
               angle = (Math.atan2(cy - y, cx - x) * (180 / Math.PI) - 90) % 360;
+
               if (curConfig.gridSnapping) {
                 angle = snapToGrid(angle);
               }
+
               if (evt.shiftKey) {
                 // restrict rotations to nice angles (WRS)
                 var snap = 45;
@@ -14857,10 +15899,11 @@
               canvas.setRotationAngle(angle < -180 ? 360 + angle : angle, true);
               call('transition', selectedElements);
               break;
-            }default:
+            }
+
+          default:
             break;
         }
-
         /**
         * The mouse has moved on the canvas area
         * @event module:svgcanvas.SvgCanvas#event:ext-mouseMove
@@ -14870,19 +15913,23 @@
         * @property {Float} mouse_y y coordinate on canvas
         * @property {Element} selected Refers to the first selected element
         */
-        runExtensions('mouseMove', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseMove} */{
+
+
+        runExtensions('mouseMove',
+        /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseMove} */
+        {
           event: evt,
           mouse_x: mouseX,
           mouse_y: mouseY,
           selected: selected
         });
       }; // mouseMove()
-
       // - in create mode, the element's opacity is set properly, we create an InsertElementCommand
       // and store it on the Undo stack
       // - in move/resize mode, the element's attributes which were affected by the move/resize are
       // identified, a ChangeElementCommand is created and stored on the stack for those attrs
       // this is done in when we recalculate the selected dimensions()
+
       /**
        *
        * @param {MouseEvent} evt
@@ -14891,29 +15938,33 @@
        * @fires module:svgcanvas.SvgCanvas#event:ext-mouseUp
        * @returns {undefined}
        */
+
+
       var mouseUp = function mouseUp(evt) {
         if (evt.button === 2) {
           return;
         }
+
         var tempJustSelected = justSelected;
         justSelected = null;
+
         if (!started) {
           return;
         }
+
         var pt = transformPoint(evt.pageX, evt.pageY, rootSctm),
             mouseX = pt.x * currentZoom,
             mouseY = pt.y * currentZoom,
             x = mouseX / currentZoom,
             y = mouseY / currentZoom;
-
         var element = getElem(getId());
         var keep = false;
-
         var realX = x;
-        var realY = y;
+        var realY = y; // TODO: Make true when in multi-unit mode
+
         started = false;
-        var attrs = void 0,
-            t = void 0;
+        var attrs, t;
+
         switch (currentMode) {
           // intentionally fall-through to select here
           case 'resize':
@@ -14922,20 +15973,24 @@
               rubberBox.setAttribute('display', 'none');
               curBBoxes = [];
             }
+
             currentMode = 'select';
           // Fallthrough
+
           case 'select':
             if (selectedElements[0] != null) {
               // if we only have one selected element
               if (selectedElements[1] == null) {
                 // set our current stroke/fill properties to the element's
                 var selected = selectedElements[0];
+
                 switch (selected.tagName) {
                   case 'g':
                   case 'use':
                   case 'image':
                   case 'foreignObject':
                     break;
+
                   default:
                     curProperties.fill = selected.getAttribute('fill');
                     curProperties.fill_opacity = selected.getAttribute('fill-opacity');
@@ -14951,31 +16006,33 @@
                   curText.font_size = selected.getAttribute('font-size');
                   curText.font_family = selected.getAttribute('font-family');
                 }
-                selectorManager.requestSelector(selected).showGrips(true);
 
-                // This shouldn't be necessary as it was done on mouseDown...
+                selectorManager.requestSelector(selected).showGrips(true); // This shouldn't be necessary as it was done on mouseDown...
                 // call('selected', [selected]);
-              }
-              // always recalculate dimensions to strip off stray identity transforms
-              recalculateAllSelectedDimensions();
-              // if it was being dragged/resized
+              } // always recalculate dimensions to strip off stray identity transforms
+
+
+              recalculateAllSelectedDimensions(); // if it was being dragged/resized
+
               if (realX !== rStartX || realY !== rStartY) {
                 var len = selectedElements.length;
+
                 for (var i = 0; i < len; ++i) {
                   if (selectedElements[i] == null) {
                     break;
                   }
+
                   if (!selectedElements[i].firstChild) {
                     // Not needed for groups (incorrectly resizes elems), possibly not needed at all?
                     selectorManager.requestSelector(selectedElements[i]).resize();
                   }
-                }
-                // no change in position/size, so maybe we should move to pathedit
+                } // no change in position/size, so maybe we should move to pathedit
+
               } else {
                 t = evt.target;
+
                 if (selectedElements[0].nodeName === 'path' && selectedElements[1] == null) {
-                  pathActions$$1.select(selectedElements[0]);
-                  // if it was a path
+                  pathActions$$1.select(selectedElements[0]); // if it was a path
                   // else, if it was selected and this is a shift-click, remove it from selection
                 } else if (evt.shiftKey) {
                   if (tempJustSelected !== t) {
@@ -14983,10 +16040,12 @@
                   }
                 }
               } // no change in mouse position
-
               // Remove non-scaling stroke
+
+
               if (supportsNonScalingStroke()) {
                 var elem = selectedElements[0];
+
                 if (elem) {
                   elem.removeAttribute('style');
                   walkTree(elem, function (elem) {
@@ -14995,11 +16054,14 @@
                 }
               }
             }
+
             return;
+
           case 'zoom':
             if (rubberBox != null) {
               rubberBox.setAttribute('display', 'none');
             }
+
             var factor = evt.shiftKey ? 0.5 : 2;
             call('zoomed', {
               x: Math.min(rStartX, realX),
@@ -15009,46 +16071,67 @@
               factor: factor
             });
             return;
+
           case 'fhpath':
             // Check that the path contains at least 2 points; a degenerate one-point path
             // causes problems.
             // Webkit ignores how we set the points attribute with commas and uses space
             // to separate all coordinates, see https://bugs.webkit.org/show_bug.cgi?id=29870
             sumDistance = 0;
-            controllPoint2 = { x: 0, y: 0 };
-            controllPoint1 = { x: 0, y: 0 };
-            start = { x: 0, y: 0 };
-            end = { x: 0, y: 0 };
+            controllPoint2 = {
+              x: 0,
+              y: 0
+            };
+            controllPoint1 = {
+              x: 0,
+              y: 0
+            };
+            start = {
+              x: 0,
+              y: 0
+            };
+            end = {
+              x: 0,
+              y: 0
+            };
             var coords = element.getAttribute('points');
             var commaIndex = coords.indexOf(',');
+
             if (commaIndex >= 0) {
               keep = coords.indexOf(',', commaIndex + 1) >= 0;
             } else {
               keep = coords.indexOf(' ', coords.indexOf(' ') + 1) >= 0;
             }
+
             if (keep) {
               element = pathActions$$1.smoothPolylineIntoPath(element);
             }
+
             break;
+
           case 'line':
             attrs = $$9(element).attr(['x1', 'x2', 'y1', 'y2']);
             keep = attrs.x1 !== attrs.x2 || attrs.y1 !== attrs.y2;
             break;
+
           case 'foreignObject':
           case 'square':
           case 'rect':
           case 'image':
-            attrs = $$9(element).attr(['width', 'height']);
-            // Image should be kept regardless of size (use inherit dimensions later)
+            attrs = $$9(element).attr(['width', 'height']); // Image should be kept regardless of size (use inherit dimensions later)
+
             keep = attrs.width || attrs.height || currentMode === 'image';
             break;
+
           case 'circle':
             keep = element.getAttribute('r') !== '0';
             break;
+
           case 'ellipse':
             attrs = $$9(element).attr(['rx', 'ry']);
             keep = attrs.rx || attrs.ry;
             break;
+
           case 'fhellipse':
             if (freehand.maxx - freehand.minx > 0 && freehand.maxy - freehand.miny > 0) {
               element = addSVGElementFromJson({
@@ -15065,7 +16148,9 @@
               call('changed', [element]);
               keep = true;
             }
+
             break;
+
           case 'fhrect':
             if (freehand.maxx - freehand.minx > 0 && freehand.maxy - freehand.miny > 0) {
               element = addSVGElementFromJson({
@@ -15082,50 +16167,56 @@
               call('changed', [element]);
               keep = true;
             }
+
             break;
+
           case 'text':
             keep = true;
             selectOnly([element]);
             textActions.start(element);
             break;
+
           case 'path':
             // set element to null here so that it is not removed nor finalized
-            element = null;
-            // continue to be set to true so that mouseMove happens
-            started = true;
+            element = null; // continue to be set to true so that mouseMove happens
 
+            started = true;
             var res = pathActions$$1.mouseUp(evt, element, mouseX, mouseY);
             element = res.element;
             keep = res.keep;
-
             break;
+
           case 'pathedit':
             keep = true;
             element = null;
             pathActions$$1.mouseUp(evt);
             break;
+
           case 'textedit':
             keep = false;
             element = null;
             textActions.mouseUp(evt, mouseX, mouseY);
             break;
+
           case 'rotate':
             keep = true;
             element = null;
             currentMode = 'select';
             var batchCmd = canvas.undoMgr.finishUndoableChange();
+
             if (!batchCmd.isEmpty()) {
               addCommandToHistory(batchCmd);
-            }
-            // perform recalculation to weed out any stray identity transforms that might get stuck
+            } // perform recalculation to weed out any stray identity transforms that might get stuck
+
+
             recalculateAllSelectedDimensions();
             call('changed', selectedElements);
             break;
+
           default:
             // This could occur in an extension
             break;
         }
-
         /**
         * The main (left) mouse button is released (anywhere)
         * @event module:svgcanvas.SvgCanvas#event:ext-mouseUp
@@ -15134,17 +16225,19 @@
         * @property {Float} mouse_x x coordinate on canvas
         * @property {Float} mouse_y y coordinate on canvas
         */
-        var extResult = runExtensions('mouseUp', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseUp} */{
+
+
+        var extResult = runExtensions('mouseUp',
+        /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseUp} */
+        {
           event: evt,
           mouse_x: mouseX,
           mouse_y: mouseY
         }, true);
-
         $$9.each(extResult, function (i, r) {
           if (r) {
             keep = r.keep || keep;
             element = r.element;
-
             started = r.started || started;
           }
         });
@@ -15153,18 +16246,17 @@
           getCurrentDrawing().releaseId(getId());
           element.remove();
           element = null;
-
-          t = evt.target;
-
-          // if this element is in a group, go up until we reach the top-level group
+          t = evt.target; // if this element is in a group, go up until we reach the top-level group
           // just below the layer groups
           // TODO: once we implement links, we also would have to check for <a> elements
+
           while (t && t.parentNode && t.parentNode.parentNode && t.parentNode.parentNode.tagName === 'g') {
             t = t.parentNode;
-          }
-          // if we are not in the middle of creating a path, and we've clicked on some shape,
+          } // if we are not in the middle of creating a path, and we've clicked on some shape,
           // then go to Select mode.
           // WebKit returns <div> when the canvas is clicked, Firefox/Opera return <svg>
+
+
           if ((currentMode !== 'path' || !drawnPath) && t && t.parentNode && t.parentNode.id !== 'selectorParentGroup' && t.id !== 'svgcanvas' && t.id !== 'svgroot') {
             // switch into "select" mode if we've clicked on an element
             canvas.setMode('select');
@@ -15178,38 +16270,42 @@
           canvas.addedNew = true;
 
           var aniDur = 0.2;
-          var cAni = void 0;
+          var cAni;
+
           if (opacAni.beginElement && parseFloat(element.getAttribute('opacity')) !== curShape.opacity) {
             cAni = $$9(opacAni).clone().attr({
               to: curShape.opacity,
               dur: aniDur
             }).appendTo(element);
+
             try {
               // Fails in FF4 on foreignObject
               cAni[0].beginElement();
             } catch (e) {}
           } else {
             aniDur = 0;
-          }
-
-          // Ideally this would be done on the endEvent of the animation,
+          } // Ideally this would be done on the endEvent of the animation,
           // but that doesn't seem to be supported in Webkit
+
+
           setTimeout(function () {
             if (cAni) {
               cAni.remove();
             }
+
             element.setAttribute('opacity', curShape.opacity);
             element.setAttribute('style', 'pointer-events:inherit');
             cleanupElement(element);
+
             if (currentMode === 'path') {
               pathActions$$1.toEditMode(element);
             } else if (curConfig.selectNew) {
               selectOnly([element], true);
-            }
-            // we create the insert command that is stored on the stack
+            } // we create the insert command that is stored on the stack
             // undo means to call cmd.unapply(), redo means to call cmd.apply()
-            addCommandToHistory(new InsertElementCommand$1(element));
 
+
+            addCommandToHistory(new InsertElementCommand$1(element));
             call('changed', [element]);
           }, aniDur * 1000);
         }
@@ -15219,9 +16315,8 @@
 
       var dblClick = function dblClick(evt) {
         var evtTarget = evt.target;
-        var parent = evtTarget.parentNode;
+        var parent = evtTarget.parentNode; // Do nothing if already in current group
 
-        // Do nothing if already in current group
         if (parent === currentGroup) {
           return;
         }
@@ -15230,7 +16325,6 @@
         var _mouseTarget = mouseTarget,
             tagName = _mouseTarget.tagName;
 
-
         if (tagName === 'text' && currentMode !== 'textedit') {
           var pt = transformPoint(evt.pageX, evt.pageY, rootSctm);
           textActions.select(mouseTarget, pt.x, pt.y);
@@ -15239,13 +16333,13 @@
         if ((tagName === 'g' || tagName === 'a') && getRotationAngle(mouseTarget)) {
           // TODO: Allow method of in-group editing without having to do
           // this (similar to editing rotated paths)
-
           // Ungroup and regroup
           pushGroupProperties(mouseTarget);
           mouseTarget = selectedElements[0];
           clearSelection(true);
-        }
-        // Reset context
+        } // Reset context
+
+
         if (currentGroup) {
           leaveContext();
         }
@@ -15254,21 +16348,21 @@
           // Escape from in-group edit
           return;
         }
-        setContext(mouseTarget);
-      };
 
-      // prevent links from being followed in the canvas
+        setContext(mouseTarget);
+      }; // prevent links from being followed in the canvas
+
+
       var handleLinkInCanvas = function handleLinkInCanvas(e) {
         e.preventDefault();
         return false;
-      };
-
-      // Added mouseup to the container here.
+      }; // Added mouseup to the container here.
       // TODO(codedread): Figure out why after the Closure compiler, the window mouseup is ignored.
-      $$9(container).mousedown(mouseDown).mousemove(mouseMove).click(handleLinkInCanvas).dblclick(dblClick).mouseup(mouseUp);
-      // $(window).mouseup(mouseUp);
 
+
+      $$9(container).mousedown(mouseDown).mousemove(mouseMove).click(handleLinkInCanvas).dblclick(dblClick).mouseup(mouseUp); // $(window).mouseup(mouseUp);
       // TODO(rafaelcastrocouto): User preference for shift key and zoom factor
+
       $$9(container).bind('mousewheel DOMMouseScroll',
       /**
        * @param {Event} e
@@ -15283,42 +16377,34 @@
 
         e.preventDefault();
         var evt = e.originalEvent;
-
         rootSctm = $$9('#svgcontent g')[0].getScreenCTM().inverse();
-
         var workarea = $$9('#workarea');
         var scrbar = 15;
-        var rulerwidth = curConfig.showRulers ? 16 : 0;
+        var rulerwidth = curConfig.showRulers ? 16 : 0; // mouse relative to content area in content pixels
 
-        // mouse relative to content area in content pixels
-        var pt = transformPoint(evt.pageX, evt.pageY, rootSctm);
+        var pt = transformPoint(evt.pageX, evt.pageY, rootSctm); // full work area width in screen pixels
 
-        // full work area width in screen pixels
         var editorFullW = workarea.width();
-        var editorFullH = workarea.height();
+        var editorFullH = workarea.height(); // work area width minus scroll and ruler in screen pixels
 
-        // work area width minus scroll and ruler in screen pixels
         var editorW = editorFullW - scrbar - rulerwidth;
-        var editorH = editorFullH - scrbar - rulerwidth;
+        var editorH = editorFullH - scrbar - rulerwidth; // work area width in content pixels
 
-        // work area width in content pixels
         var workareaViewW = editorW * rootSctm.a;
-        var workareaViewH = editorH * rootSctm.d;
+        var workareaViewH = editorH * rootSctm.d; // content offset from canvas in screen pixels
 
-        // content offset from canvas in screen pixels
         var wOffset = workarea.offset();
         var wOffsetLeft = wOffset['left'] + rulerwidth;
         var wOffsetTop = wOffset['top'] + rulerwidth;
-
         var delta = evt.wheelDelta ? evt.wheelDelta : evt.detail ? -evt.detail : 0;
+
         if (!delta) {
           return;
         }
 
         var factor = Math.max(3 / 4, Math.min(4 / 3, delta));
+        var wZoom, hZoom;
 
-        var wZoom = void 0,
-            hZoom = void 0;
         if (factor > 1) {
           wZoom = Math.ceil(editorW / workareaViewW * factor * 100) / 100;
           hZoom = Math.ceil(editorH / workareaViewH * factor * 100) / 100;
@@ -15326,60 +16412,61 @@
           wZoom = Math.floor(editorW / workareaViewW * factor * 100) / 100;
           hZoom = Math.floor(editorH / workareaViewH * factor * 100) / 100;
         }
+
         var zoomlevel = Math.min(wZoom, hZoom);
         zoomlevel = Math.min(10, Math.max(0.01, zoomlevel));
+
         if (zoomlevel === currentZoom) {
           return;
         }
-        factor = zoomlevel / currentZoom;
 
-        // top left of workarea in content pixels before zoom
-        var topLeftOld = transformPoint(wOffsetLeft, wOffsetTop, rootSctm);
+        factor = zoomlevel / currentZoom; // top left of workarea in content pixels before zoom
+
+        var topLeftOld = transformPoint(wOffsetLeft, wOffsetTop, rootSctm); // top left of workarea in content pixels after zoom
 
-        // top left of workarea in content pixels after zoom
         var topLeftNew = {
           x: pt.x - (pt.x - topLeftOld.x) / factor,
           y: pt.y - (pt.y - topLeftOld.y) / factor
-        };
+        }; // top left of workarea in canvas pixels relative to content after zoom
 
-        // top left of workarea in canvas pixels relative to content after zoom
         var topLeftNewCanvas = {
           x: topLeftNew.x * zoomlevel,
           y: topLeftNew.y * zoomlevel
-        };
+        }; // new center in canvas pixels
 
-        // new center in canvas pixels
         var newCtr = {
           x: topLeftNewCanvas.x - rulerwidth + editorFullW / 2,
           y: topLeftNewCanvas.y - rulerwidth + editorFullH / 2
         };
-
         canvas.setZoom(zoomlevel);
         $$9('#zoom').val((zoomlevel * 100).toFixed(1));
-
-        call('updateCanvas', { center: false, newCtr: newCtr });
+        call('updateCanvas', {
+          center: false,
+          newCtr: newCtr
+        });
         call('zoomDone');
       });
     })();
-
     /**
     * Group: Text edit functions
     * Functions relating to editing text elements
     * @namespace {PlainObject} textActions
     * @memberof module:svgcanvas.SvgCanvas#
     */
+
+
     var textActions = canvas.textActions = function () {
-      var curtext = void 0;
-      var textinput = void 0;
-      var cursor = void 0;
-      var selblock = void 0;
-      var blinker = void 0;
+      var curtext;
+      var textinput;
+      var cursor;
+      var selblock;
+      var blinker;
       var chardata = [];
-      var textbb = void 0; // , transbb;
-      var matrix = void 0;
-      var lastX = void 0,
-          lastY = void 0;
-      var allowDbl = void 0;
+      var textbb; // , transbb;
+
+      var matrix;
+      var lastX, lastY;
+      var allowDbl;
 
       function setCursor(index) {
         var empty = textinput.value === '';
@@ -15392,15 +16479,19 @@
             if (textinput.selectionEnd !== textinput.selectionStart) {
               return;
             }
+
             index = textinput.selectionEnd;
           }
         }
 
         var charbb = chardata[index];
+
         if (!empty) {
           textinput.setSelectionRange(index, index);
         }
+
         cursor = getElem('text_cursor');
+
         if (!cursor) {
           cursor = document.createElementNS(NS.SVG, 'line');
           assignAttributes(cursor, {
@@ -15420,7 +16511,6 @@
 
         var startPt = ptToScreen(charbb.x, textbb.y);
         var endPt = ptToScreen(charbb.x, textbb.y + textbb.height);
-
         assignAttributes(cursor, {
           x1: startPt.x,
           y1: startPt.y,
@@ -15446,6 +16536,7 @@
         }
 
         selblock = getElem('text_selectblock');
+
         if (!selblock) {
           selblock = document.createElementNS(NS.SVG, 'path');
           assignAttributes(selblock, {
@@ -15459,16 +16550,12 @@
 
         var startbb = chardata[start];
         var endbb = chardata[end];
-
         cursor.setAttribute('visibility', 'hidden');
-
         var tl = ptToScreen(startbb.x, textbb.y),
             tr = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y),
             bl = ptToScreen(startbb.x, textbb.y + textbb.height),
             br = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y + textbb.height);
-
         var dstr = 'M' + tl.x + ',' + tl.y + ' L' + tr.x + ',' + tr.y + ' ' + br.x + ',' + br.y + ' ' + bl.x + ',' + bl.y + 'z';
-
         assignAttributes(selblock, {
           d: dstr,
           display: 'inline'
@@ -15479,28 +16566,33 @@
         // Position cursor here
         var pt = svgroot.createSVGPoint();
         pt.x = mouseX;
-        pt.y = mouseY;
+        pt.y = mouseY; // No content, so return 0
 
-        // No content, so return 0
         if (chardata.length === 1) {
           return 0;
-        }
-        // Determine if cursor should be on left or right of character
+        } // Determine if cursor should be on left or right of character
+
+
         var charpos = curtext.getCharNumAtPosition(pt);
+
         if (charpos < 0) {
           // Out of text range, look at mouse coords
           charpos = chardata.length - 2;
+
           if (mouseX <= chardata[0].x) {
             charpos = 0;
           }
         } else if (charpos >= chardata.length - 2) {
           charpos = chardata.length - 2;
         }
+
         var charbb = chardata[charpos];
         var mid = charbb.x + charbb.width / 2;
+
         if (mouseX > mid) {
           charpos++;
         }
+
         return charpos;
       }
 
@@ -15511,7 +16603,6 @@
       function setEndSelectionFromPoint(x, y, apply) {
         var i1 = textinput.selectionStart;
         var i2 = getIndexFromPoint(x, y);
-
         var start = Math.min(i1, i2);
         var end = Math.max(i1, i2);
         setSelection(start, end, !apply);
@@ -15522,7 +16613,6 @@
           x: xIn,
           y: yIn
         };
-
         out.x /= currentZoom;
         out.y /= currentZoom;
 
@@ -15549,10 +16639,8 @@
 
         out.x *= currentZoom;
         out.y *= currentZoom;
-
         return out;
       }
-
       /*
       // Not currently in use
       function hideCursor () {
@@ -15562,6 +16650,7 @@
       }
       */
 
+
       function selectAll(evt) {
         setSelection(0, curtext.textContent.length);
         $$9(this).unbind(evt);
@@ -15576,22 +16665,22 @@
             mouseX = ept.x * currentZoom,
             mouseY = ept.y * currentZoom;
         var pt = screenToPt(mouseX, mouseY);
-
         var index = getIndexFromPoint(pt.x, pt.y);
         var str = curtext.textContent;
         var first = str.substr(0, index).replace(/[a-z0-9]+$/i, '').length;
         var m = str.substr(index).match(/^[a-z0-9]+/i);
         var last = (m ? m[0].length : 0) + index;
-        setSelection(first, last);
+        setSelection(first, last); // Set tripleclick
 
-        // Set tripleclick
         $$9(evt.target).click(selectAll);
         setTimeout(function () {
           $$9(evt.target).unbind('click', selectAll);
         }, 300);
       }
 
-      return (/** @lends module:svgcanvas.SvgCanvas#textActions */{
+      return (
+        /** @lends module:svgcanvas.SvgCanvas#textActions */
+        {
           /**
           * @param {Element} target
           * @param {Float} x
@@ -15621,13 +16710,10 @@
           */
           mouseDown: function mouseDown(evt, mouseTarget, startX, startY) {
             var pt = screenToPt(startX, startY);
-
             textinput.focus();
             setCursorFromPoint(pt.x, pt.y);
             lastX = startX;
-            lastY = startY;
-
-            // TODO: Find way to block native selection
+            lastY = startY; // TODO: Find way to block native selection
           },
 
           /**
@@ -15648,10 +16734,7 @@
           */
           mouseUp: function mouseUp(evt, mouseX, mouseY) {
             var pt = screenToPt(mouseX, mouseY);
-
-            setEndSelectionFromPoint(pt.x, pt.y, true);
-
-            // TODO: Find a way to make this work: Use transformed BBox instead of evt.target
+            setEndSelectionFromPoint(pt.x, pt.y, true); // TODO: Find a way to make this work: Use transformed BBox instead of evt.target
             // if (lastX === mouseX && lastY === mouseY
             //   && !rectsIntersect(transbb, {x: pt.x, y: pt.y, width: 0, height: 0})) {
             //   textActions.toSelectMode(true);
@@ -15668,6 +16751,7 @@
           * @returns {undefined}
           */
           setCursor: setCursor,
+
           /**
           * @param {Float} x
           * @param {Float} y
@@ -15676,16 +16760,15 @@
           toEditMode: function toEditMode(x, y) {
             allowDbl = false;
             currentMode = 'textedit';
-            selectorManager.requestSelector(curtext).showGrips(false);
-            // Make selector group accept clicks
-            /* const selector = */selectorManager.requestSelector(curtext); // Do we need this? Has side effect of setting lock, so keeping for now, but next line wasn't being used
+            selectorManager.requestSelector(curtext).showGrips(false); // Make selector group accept clicks
+
+            /* const selector = */
+
+            selectorManager.requestSelector(curtext); // Do we need this? Has side effect of setting lock, so keeping for now, but next line wasn't being used
             // const sel = selector.selectorRect;
 
             textActions.init();
-
-            $$9(curtext).css('cursor', 'text');
-
-            // if (supportsEditableText()) {
+            $$9(curtext).css('cursor', 'text'); // if (supportsEditableText()) {
             //   curtext.setAttribute('editable', 'simple');
             //   return;
             // }
@@ -15711,31 +16794,31 @@
             currentMode = 'select';
             clearInterval(blinker);
             blinker = null;
+
             if (selblock) {
               $$9(selblock).attr('display', 'none');
             }
+
             if (cursor) {
               $$9(cursor).attr('visibility', 'hidden');
             }
+
             $$9(curtext).css('cursor', 'move');
 
             if (selectElem) {
               clearSelection();
               $$9(curtext).css('cursor', 'move');
-
               call('selected', [curtext]);
               addToSelection([curtext], true);
             }
+
             if (curtext && !curtext.textContent.length) {
               // No content, so delete
               canvas.deleteSelectedElements();
             }
 
             $$9(textinput).blur();
-
-            curtext = false;
-
-            // if (supportsEditableText()) {
+            curtext = false; // if (supportsEditableText()) {
             //   curtext.removeAttribute('editable');
             // }
           },
@@ -15745,8 +16828,7 @@
           * @returns {undefined}
           */
           setInputElem: function setInputElem(elem) {
-            textinput = elem;
-            // $(textinput).blur(hideCursor);
+            textinput = elem; // $(textinput).blur(hideCursor);
           },
 
           /**
@@ -15766,9 +16848,8 @@
             if (!curtext) {
               return;
             }
-            var i = void 0,
-                end = void 0;
-            // if (supportsEditableText()) {
+
+            var i, end; // if (supportsEditableText()) {
             //   curtext.select();
             //   return;
             // }
@@ -15781,21 +16862,19 @@
 
             var str = curtext.textContent;
             var len = str.length;
-
             var xform = curtext.getAttribute('transform');
-
             textbb = getBBox(curtext);
-
             matrix = xform ? getMatrix(curtext) : null;
-
             chardata = [];
             chardata.length = len;
             textinput.focus();
-
             $$9(curtext).unbind('dblclick', selectWord).dblclick(selectWord);
 
             if (!len) {
-              end = { x: textbb.x + textbb.width / 2, width: 0 };
+              end = {
+                x: textbb.x + textbb.width / 2,
+                width: 0
+              };
             }
 
             for (i = 0; i < len; i++) {
@@ -15806,24 +16885,23 @@
                 var offset = canvas.contentW * currentZoom;
                 start.x -= offset;
                 end.x -= offset;
-
                 start.x /= currentZoom;
                 end.x /= currentZoom;
-              }
-
-              // Get a "bbox" equivalent for each character. Uses the
+              } // Get a "bbox" equivalent for each character. Uses the
               // bbox data of the actual text for y, height purposes
-
               // TODO: Decide if y, width and height are actually necessary
+
+
               chardata[i] = {
                 x: start.x,
-                y: textbb.y, // start.y?
+                y: textbb.y,
+                // start.y?
                 width: end.x - start.x,
                 height: textbb.height
               };
-            }
+            } // Add a last bbox for cursor at end of text
+
 
-            // Add a last bbox for cursor at end of text
             chardata.push({
               x: end.x,
               width: 0
@@ -15833,7 +16911,6 @@
         }
       );
     }();
-
     /**
     * Group: Serialization
     */
@@ -15844,35 +16921,38 @@
     * @function module:svgcanvas.SvgCanvas#removeUnusedDefElems
     * @returns {Integer} The number of elements that were removed
     */
+
+
     var removeUnusedDefElems = this.removeUnusedDefElems = function () {
       var defs = svgcontent.getElementsByTagNameNS(NS.SVG, 'defs');
+
       if (!defs || !defs.length) {
         return 0;
-      }
+      } // if (!defs.firstChild) { return; }
 
-      // if (!defs.firstChild) { return; }
 
       var defelemUses = [];
       var numRemoved = 0;
       var attrs = ['fill', 'stroke', 'filter', 'marker-start', 'marker-mid', 'marker-end'];
       var alen = attrs.length;
-
       var allEls = svgcontent.getElementsByTagNameNS(NS.SVG, '*');
       var allLen = allEls.length;
+      var i, j;
 
-      var i = void 0,
-          j = void 0;
       for (i = 0; i < allLen; i++) {
         var el = allEls[i];
+
         for (j = 0; j < alen; j++) {
           var ref = getUrlFromAttr(el.getAttribute(attrs[j]));
+
           if (ref) {
             defelemUses.push(ref.substr(1));
           }
-        }
+        } // gradients can refer to other gradients
+
 
-        // gradients can refer to other gradients
         var href = getHref(el);
+
         if (href && href.startsWith('#')) {
           defelemUses.push(href.substr(1));
         }
@@ -15880,6 +16960,7 @@
 
       var defelems = $$9(defs).find('linearGradient, radialGradient, filter, marker, svg, symbol');
       i = defelems.length;
+
       while (i--) {
         var defelem = defelems[i];
         var id = defelem.id;
@@ -15894,52 +16975,51 @@
 
       return numRemoved;
     };
-
     /**
     * Main function to set up the SVG content for output
     * @function module:svgcanvas.SvgCanvas#svgCanvasToString
     * @returns {string} The SVG image for output
     */
+
+
     this.svgCanvasToString = function () {
       // keep calling it until there are none to remove
       while (removeUnusedDefElems() > 0) {}
 
-      pathActions$$1.clear(true);
+      pathActions$$1.clear(true); // Keep SVG-Edit comment on top
 
-      // Keep SVG-Edit comment on top
       $$9.each(svgcontent.childNodes, function (i, node) {
         if (i && node.nodeType === 8 && node.data.includes('Created with')) {
           svgcontent.firstChild.before(node);
         }
-      });
+      }); // Move out of in-group editing mode
 
-      // Move out of in-group editing mode
       if (currentGroup) {
         leaveContext();
         selectOnly([currentGroup]);
       }
 
-      var nakedSvgs = [];
+      var nakedSvgs = []; // Unwrap gsvg if it has no special attributes (only id and style)
 
-      // Unwrap gsvg if it has no special attributes (only id and style)
       $$9(svgcontent).find('g:data(gsvg)').each(function () {
         var attrs = this.attributes;
         var len = attrs.length;
+
         for (var i = 0; i < len; i++) {
           if (attrs[i].nodeName === 'id' || attrs[i].nodeName === 'style') {
             len--;
           }
-        }
-        // No significant attributes, so ungroup
+        } // No significant attributes, so ungroup
+
+
         if (len <= 0) {
           var svg = this.firstChild;
           nakedSvgs.push(svg);
           $$9(this).replaceWith(svg);
         }
       });
-      var output = this.svgToString(svgcontent, 0);
+      var output = this.svgToString(svgcontent, 0); // Rewrap gsvg
 
-      // Rewrap gsvg
       if (nakedSvgs.length) {
         $$9(nakedSvgs).each(function () {
           groupSvgElem(this);
@@ -15948,7 +17028,6 @@
 
       return output;
     };
-
     /**
     * Sub function ran on each SVG element to convert it to a string as desired
     * @function module:svgcanvas.SvgCanvas#svgToString
@@ -15956,6 +17035,8 @@
     * @param {Integer} indent - Number of spaces to indent this tag
     * @returns {string} The given element as an SVG tag
     */
+
+
     this.svgToString = function (elem, indent) {
       var out = [];
       var unit = curConfig.baseUnit;
@@ -15964,7 +17045,7 @@
       if (elem) {
         cleanupElement(elem);
         var attrs = Array.from(elem.attributes);
-        var i = void 0;
+        var i;
         var childs = elem.childNodes;
         attrs.sort(function (a, b) {
           return a.name > b.name ? -1 : 1;
@@ -15973,13 +17054,14 @@
         for (i = 0; i < indent; i++) {
           out.push(' ');
         }
-        out.push('<');out.push(elem.nodeName);
+
+        out.push('<');
+        out.push(elem.nodeName);
+
         if (elem.id === 'svgcontent') {
           // Process root element separately
           var res = getResolution();
-
-          var vb = '';
-          // TODO: Allow this by dividing all values by current baseVal
+          var vb = ''; // TODO: Allow this by dividing all values by current baseVal
           // Note that this also means we should properly deal with this on import
           // if (curConfig.baseUnit !== 'px') {
           //   const unit = curConfig.baseUnit;
@@ -15997,14 +17079,13 @@
           }
 
           out.push(' width="' + res.w + '" height="' + res.h + '"' + vb + ' xmlns="' + NS.SVG + '"');
+          var nsuris = {}; // Check elements for namespaces, add if found
 
-          var nsuris = {};
-
-          // Check elements for namespaces, add if found
           $$9(elem).find('*').andSelf().each(function () {
             // const el = this;
             // for some elements have no attribute
             var uri = this.namespaceURI;
+
             if (uri && !nsuris[uri] && nsMap[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {
               nsuris[uri] = true;
               out.push(' xmlns:' + nsMap[uri] + '="' + uri + '"');
@@ -16012,30 +17093,32 @@
 
             $$9.each(this.attributes, function (i, attr) {
               var uri = attr.namespaceURI;
+
               if (uri && !nsuris[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {
                 nsuris[uri] = true;
                 out.push(' xmlns:' + nsMap[uri] + '="' + uri + '"');
               }
             });
           });
-
           i = attrs.length;
           var attrNames = ['width', 'height', 'xmlns', 'x', 'y', 'viewBox', 'id', 'overflow'];
+
           while (i--) {
             var attr = attrs[i];
-            var attrVal = toXml(attr.value);
+            var attrVal = toXml(attr.value); // Namespaces have already been dealt with, so skip
 
-            // Namespaces have already been dealt with, so skip
             if (attr.nodeName.startsWith('xmlns:')) {
               continue;
-            }
+            } // only serialize attributes we don't use internally
+
 
-            // only serialize attributes we don't use internally
             if (attrVal !== '' && !attrNames.includes(attr.localName)) {
               if (!attr.namespaceURI || nsMap[attr.namespaceURI]) {
                 out.push(' ');
-                out.push(attr.nodeName);out.push('="');
-                out.push(attrVal);out.push('"');
+                out.push(attr.nodeName);
+                out.push('="');
+                out.push(attrVal);
+                out.push('"');
               }
             }
           }
@@ -16046,43 +17129,54 @@
           }
 
           var mozAttrs = ['-moz-math-font-style', '_moz-math-font-style'];
+
           for (i = attrs.length - 1; i >= 0; i--) {
             var _attr = attrs[i];
-            var _attrVal = toXml(_attr.value);
-            // remove bogus attributes added by Gecko
+
+            var _attrVal = toXml(_attr.value); // remove bogus attributes added by Gecko
+
+
             if (mozAttrs.includes(_attr.localName)) {
               continue;
             }
+
             if (_attrVal !== '') {
               if (_attrVal.startsWith('pointer-events')) {
                 continue;
               }
+
               if (_attr.localName === 'class' && _attrVal.startsWith('se_')) {
                 continue;
               }
+
               out.push(' ');
+
               if (_attr.localName === 'd') {
                 _attrVal = pathActions$$1.convertPath(elem, true);
               }
+
               if (!isNaN(_attrVal)) {
                 _attrVal = shortFloat(_attrVal);
               } else if (unitRe.test(_attrVal)) {
                 _attrVal = shortFloat(_attrVal) + unit;
-              }
+              } // Embed images when saving
+
 
-              // Embed images when saving
               if (saveOptions.apply && elem.nodeName === 'image' && _attr.localName === 'href' && saveOptions.images && saveOptions.images === 'embed') {
                 var img = encodableImages[_attrVal];
+
                 if (img) {
                   _attrVal = img;
                 }
-              }
-
-              // map various namespaces to our fixed namespace prefixes
+              } // map various namespaces to our fixed namespace prefixes
               // (the default xmlns attribute itself does not get a prefix)
+
+
               if (!_attr.namespaceURI || _attr.namespaceURI === NS.SVG || nsMap[_attr.namespaceURI]) {
-                out.push(_attr.nodeName);out.push('="');
-                out.push(_attrVal);out.push('"');
+                out.push(_attr.nodeName);
+                out.push('="');
+                out.push(_attrVal);
+                out.push('"');
               }
             }
           }
@@ -16095,20 +17189,25 @@
 
           for (i = 0; i < childs.length; i++) {
             var child = childs.item(i);
+
             switch (child.nodeType) {
               case 1:
                 // element node
                 out.push('\n');
                 out.push(this.svgToString(childs.item(i), indent));
                 break;
+
               case 3:
                 // text node
                 var str = child.nodeValue.replace(/^\s+|\s+$/g, '');
+
                 if (str !== '') {
                   bOneLine = true;
                   out.push(String(toXml(str)));
                 }
+
                 break;
+
               case 4:
                 // cdata node
                 out.push('\n');
@@ -16117,6 +17216,7 @@
                 out.push(child.nodeValue);
                 out.push(']]>');
                 break;
+
               case 8:
                 // comment
                 out.push('\n');
@@ -16126,19 +17226,27 @@
                 out.push('-->');
                 break;
             } // switch on node type
+
           }
+
           indent--;
+
           if (!bOneLine) {
             out.push('\n');
+
             for (i = 0; i < indent; i++) {
               out.push(' ');
             }
           }
-          out.push('</');out.push(elem.nodeName);out.push('>');
+
+          out.push('</');
+          out.push(elem.nodeName);
+          out.push('>');
         } else {
           out.push('/>');
         }
       }
+
       return out.join('');
     }; // end svgToString()
 
@@ -16148,6 +17256,7 @@
      * @param {string|false} result Data URL
      * @returns {undefined}
      */
+
     /**
     * Converts a given image file to a data URL when possible, then runs a given callback
     * @function module:svgcanvas.SvgCanvas#embedImage
@@ -16155,6 +17264,8 @@
     * @param {module:svgcanvas.ImageEmbeddedCallback} [callback] - Function to run when image data is found
     * @returns {Promise} Resolves to Data URL (string|false)
     */
+
+
     this.embedImage = function (src, callback) {
       return new Promise(function (resolve, reject) {
         // load in the image and once it's loaded, get the dimensions
@@ -16162,14 +17273,15 @@
           if (status === 'error') {
             reject(new Error('Error loading image: ' + xhr.status + ' ' + xhr.statusText));
             return;
-          }
-          // create a canvas the same size as the raster image
+          } // create a canvas the same size as the raster image
+
+
           var cvs = document.createElement('canvas');
           cvs.width = this.width;
-          cvs.height = this.height;
-          // load the raster image into the canvas
-          cvs.getContext('2d').drawImage(this, 0, 0);
-          // retrieve the data: URL
+          cvs.height = this.height; // load the raster image into the canvas
+
+          cvs.getContext('2d').drawImage(this, 0, 0); // retrieve the data: URL
+
           try {
             var urldata = ';svgedit_url=' + encodeURIComponent(src);
             urldata = cvs.toDataURL().replace(';base64', urldata + ';base64');
@@ -16177,32 +17289,36 @@
           } catch (e) {
             encodableImages[src] = false;
           }
+
           lastGoodImgUrl = src;
+
           if (callback) {
             callback(encodableImages[src]);
           }
+
           resolve(encodableImages[src]);
         }).attr('src', src);
       });
     };
-
     /**
     * Sets a given URL to be a "last good image" URL
     * @function module:svgcanvas.SvgCanvas#setGoodImage
     * @param {string} val
     * @returns {undefined}
     */
+
+
     this.setGoodImage = function (val) {
       lastGoodImgUrl = val;
     };
-
     /**
     * Does nothing by default, handled by optional widget/extension
     * @function module:svgcanvas.SvgCanvas#open
     * @returns {undefined}
     */
-    this.open = function () {};
 
+
+    this.open = function () {};
     /**
     * Serializes the current drawing into SVG XML text and passes it to the 'saved' handler.
     * This function also includes the XML prolog. Clients of the `SvgCanvas` bind their save
@@ -16212,40 +17328,40 @@
     * @fires module:svgcanvas.SvgCanvas#event:saved
     * @returns {undefined}
     */
+
+
     this.save = function (opts) {
       // remove the selected outline before serializing
-      clearSelection();
-      // Update save options if provided
+      clearSelection(); // Update save options if provided
+
       if (opts) {
         $$9.extend(saveOptions, opts);
       }
-      saveOptions.apply = true;
 
-      // no need for doctype, see https://jwatt.org/svg/authoring/#doctype-declaration
+      saveOptions.apply = true; // no need for doctype, see https://jwatt.org/svg/authoring/#doctype-declaration
+
       var str = this.svgCanvasToString();
       call('saved', str);
     };
-
     /**
     * Codes only is useful for locale-independent detection
     */
+
+
     function getIssues() {
       // remove the selected outline before serializing
-      clearSelection();
+      clearSelection(); // Check for known CanVG issues
 
-      // Check for known CanVG issues
       var issues = [];
-      var issueCodes = [];
+      var issueCodes = []; // Selector and notice
 
-      // Selector and notice
       var issueList = {
         feGaussianBlur: uiStrings.exportNoBlur,
         foreignObject: uiStrings.exportNoforeignObject,
         '[stroke-dasharray]': uiStrings.exportNoDashArray
       };
-      var content = $$9(svgcontent);
+      var content = $$9(svgcontent); // Add font/text check if Canvas Text API is not implemented
 
-      // Add font/text check if Canvas Text API is not implemented
       if (!('font' in $$9('<canvas>')[0].getContext('2d'))) {
         issueList.text = uiStrings.exportNoText;
       }
@@ -16256,13 +17372,17 @@
           issues.push(descr);
         }
       });
-      return { issues: issues, issueCodes: issueCodes };
+      return {
+        issues: issues,
+        issueCodes: issueCodes
+      };
     }
 
-    var canvg = void 0;
+    var canvg;
     /**
     * @typedef {"feGaussianBlur"|"foreignObject"|"[stroke-dasharray]"|"text"} module:svgcanvas.IssueCode
     */
+
     /**
     * @typedef {PlainObject} module:svgcanvas.ImageExportedResults
     * @property {string} datauri Contents as a Data URL
@@ -16282,6 +17402,7 @@
      * @param {module:svgcanvas.ImageExportedResults} obj
      * @returns {undefined}
      */
+
     /**
     * Generates a PNG (or JPG, BMP, WEBP) Data URL based on the current image,
     * then calls "exported" with an object including the string, image
@@ -16295,9 +17416,8 @@
     * @todo Confirm/fix ICO type
     * @returns {Promise} Resolves to {@link module:svgcanvas.ImageExportedResults}
     */
-    this.rasterExport = function (imgType, quality, exportWindowName, cb) {
-      var _this = this;
 
+    this.rasterExport = function (imgType, quality, exportWindowName, cb) {
       var type = imgType === 'ICO' ? 'BMP' : imgType || 'PNG';
       var mimeType = 'image/' + type.toLowerCase();
 
@@ -16306,24 +17426,36 @@
           issueCodes = _getIssues.issueCodes;
 
       var svg = this.svgCanvasToString();
-
-      return new Promise(function () {
-        var _ref4 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(resolve, reject) {
+      return new Promise(
+      /*#__PURE__*/
+      function () {
+        var _ref4 = _asyncToGenerator(
+        /*#__PURE__*/
+        regeneratorRuntime.mark(function _callee2(resolve, reject) {
           var _ref5, c, dataURLType, datauri, bloburl, done;
 
           return regeneratorRuntime.wrap(function _callee2$(_context2) {
             while (1) {
               switch (_context2.prev = _context2.next) {
                 case 0:
-                  done = function done() {
+                  done = function _ref6() {
                     var obj = {
-                      datauri: datauri, bloburl: bloburl, svg: svg, issues: issues, issueCodes: issueCodes, type: imgType,
-                      mimeType: mimeType, quality: quality, exportWindowName: exportWindowName
+                      datauri: datauri,
+                      bloburl: bloburl,
+                      svg: svg,
+                      issues: issues,
+                      issueCodes: issueCodes,
+                      type: imgType,
+                      mimeType: mimeType,
+                      quality: quality,
+                      exportWindowName: exportWindowName
                     };
                     call('exported', obj);
+
                     if (cb) {
                       cb(obj);
                     }
+
                     resolve(obj);
                   };
 
@@ -16343,23 +17475,23 @@
 
                 case 6:
                   if (!$$9('#export_canvas').length) {
-                    $$9('<canvas>', { id: 'export_canvas' }).hide().appendTo('body');
+                    $$9('<canvas>', {
+                      id: 'export_canvas'
+                    }).hide().appendTo('body');
                   }
-                  c = $$9('#export_canvas')[0];
 
+                  c = $$9('#export_canvas')[0];
                   c.width = canvas.contentW;
                   c.height = canvas.contentH;
-
                   _context2.next = 12;
                   return canvg(c, svg);
 
                 case 12:
                   dataURLType = type.toLowerCase();
                   datauri = quality ? c.toDataURL('image/' + dataURLType, quality) : c.toDataURL('image/' + dataURLType);
-                  bloburl = void 0;
 
                   if (!c.toBlob) {
-                    _context2.next = 18;
+                    _context2.next = 17;
                     break;
                   }
 
@@ -16367,18 +17499,18 @@
                     bloburl = createObjectURL(blob);
                     done();
                   }, mimeType, quality);
-                  return _context2.abrupt('return');
+                  return _context2.abrupt("return");
 
-                case 18:
+                case 17:
                   bloburl = dataURLToObjectURL(datauri);
                   done();
 
-                case 20:
-                case 'end':
+                case 19:
+                case "end":
                   return _context2.stop();
               }
             }
-          }, _callee2, _this);
+          }, _callee2, this);
         }));
 
         return function (_x4, _x5) {
@@ -16389,10 +17521,12 @@
     /**
      * @external jsPDF
      */
+
     /**
      * @typedef {undefined|"save"|"arraybuffer"|"blob"|"datauristring"|"dataurlstring"|"dataurlnewwindow"|"datauri"|"dataurl"} external:jsPDF.OutputType
      * @todo Newer version to add also allows these `outputType` values "bloburi"|"bloburl" which return strings, so document here and for `outputType` of `module:svgcanvas.PDFExportedResults` below if added
     */
+
     /**
     * @typedef {PlainObject} module:svgcanvas.PDFExportedResults
     * @property {string} svg The SVG PDF output
@@ -16418,6 +17552,7 @@
      * @param {module:svgcanvas.PDFExportedResults} obj
      * @returns {undefined}
      */
+
     /**
     * Generates a PDF based on the current image, then calls "exportedPDF" with
     * an object including the string, the data URL, and any issues found
@@ -16428,12 +17563,16 @@
     * @fires module:svgcanvas.SvgCanvas#event:exportedPDF
     * @returns {Promise} Resolves to {@link module:svgcanvas.PDFExportedResults}
     */
-    this.exportPDF = function (exportWindowName, outputType, cb) {
-      var _this2 = this;
 
+
+    this.exportPDF = function (exportWindowName, outputType, cb) {
       var that = this;
-      return new Promise(function () {
-        var _ref6 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee3(resolve, reject) {
+      return new Promise(
+      /*#__PURE__*/
+      function () {
+        var _ref7 = _asyncToGenerator(
+        /*#__PURE__*/
+        regeneratorRuntime.mark(function _callee3(resolve, reject) {
           var modularVersion, res, orientation, unit, doc, docTitle, _getIssues2, issues, issueCodes, svg, obj;
 
           return regeneratorRuntime.wrap(function _callee3$(_context3) {
@@ -16446,14 +17585,12 @@
                   }
 
                   _context3.next = 3;
-                  return importScript([
-                  // We do not currently have these paths configurable as they are
+                  return importScript([// We do not currently have these paths configurable as they are
                   //   currently global-only, so not Rolled-up
                   'jspdf/underscore-min.js', 'jspdf/jspdf.min.js']);
 
                 case 3:
-                  modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false;
-                  // Todo: Switch to `import()` when widely supported and available (also allow customization of path)
+                  modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false; // Todo: Switch to `import()` when widely supported and available (also allow customization of path)
 
                   _context3.next = 6;
                   return importScript(curConfig.jspdfPath + 'jspdf.plugin.svgToPdf.js', {
@@ -16464,67 +17601,72 @@
                   res = getResolution();
                   orientation = res.w > res.h ? 'landscape' : 'portrait';
                   unit = 'pt'; // curConfig.baseUnit; // We could use baseUnit, but that is presumably not intended for export purposes
-
                   // Todo: Give options to use predefined jsPDF formats like "a4", etc. from pull-down (with option to keep customizable)
 
                   doc = jsPDF({
                     orientation: orientation,
                     unit: unit,
-                    format: [res.w, res.h]
-                    // , compressPdf: true
+                    format: [res.w, res.h] // , compressPdf: true
+
                   });
                   docTitle = getDocumentTitle();
-
                   doc.setProperties({
-                    title: docTitle /* ,
-                                    subject: '',
-                                    author: '',
-                                    keywords: '',
-                                    creator: '' */
+                    title: docTitle
+                    /* ,
+                    subject: '',
+                    author: '',
+                    keywords: '',
+                    creator: '' */
+
                   });
                   _getIssues2 = getIssues(), issues = _getIssues2.issues, issueCodes = _getIssues2.issueCodes;
                   svg = that.svgCanvasToString();
-
-                  doc.addSVG(svg, 0, 0);
-
-                  // doc.output('save'); // Works to open in a new
+                  doc.addSVG(svg, 0, 0); // doc.output('save'); // Works to open in a new
                   //  window; todo: configure this and other export
                   //  options to optionally work in this manner as
                   //  opposed to opening a new tab
-                  outputType = outputType || 'dataurlstring';
-                  obj = { svg: svg, issues: issues, issueCodes: issueCodes, exportWindowName: exportWindowName, outputType: outputType };
 
+                  outputType = outputType || 'dataurlstring';
+                  obj = {
+                    svg: svg,
+                    issues: issues,
+                    issueCodes: issueCodes,
+                    exportWindowName: exportWindowName,
+                    outputType: outputType
+                  };
                   obj.output = doc.output(outputType, outputType === 'save' ? exportWindowName || 'svg.pdf' : undefined);
+
                   if (cb) {
                     cb(obj);
                   }
+
                   resolve(obj);
                   call('exportedPDF', obj);
 
                 case 21:
-                case 'end':
+                case "end":
                   return _context3.stop();
               }
             }
-          }, _callee3, _this2);
+          }, _callee3, this);
         }));
 
         return function (_x6, _x7) {
-          return _ref6.apply(this, arguments);
+          return _ref7.apply(this, arguments);
         };
       }());
     };
-
     /**
     * Returns the current drawing as raw SVG XML text.
     * @function module:svgcanvas.SvgCanvas#getSvgString
     * @returns {string} The current drawing as raw SVG XML text.
     */
+
+
     this.getSvgString = function () {
       saveOptions.apply = false;
       return this.svgCanvasToString();
     };
-
     /**
     * This function determines whether to use a nonce in the prefix, when
     * generating IDs for future documents in SVG-Edit.
@@ -16535,6 +17677,8 @@
     * `svgCanvas.randomizeIds() <==> svgCanvas.randomizeIds(true)`
     * @returns {undefined}
     */
+
+
     this.randomizeIds = function (enableRandomization) {
       if (arguments.length > 0 && enableRandomization === false) {
         randomizeIds(false, getCurrentDrawing());
@@ -16542,16 +17686,16 @@
         randomizeIds(true, getCurrentDrawing());
       }
     };
-
     /**
     * Ensure each element has a unique ID
     * @function module:svgcanvas.SvgCanvas#uniquifyElems
     * @param {Element} g - The parent element of the tree to give unique IDs
     * @returns {undefined}
     */
+
+
     var uniquifyElems = this.uniquifyElems = function (g) {
-      var ids = {};
-      // TODO: Handle markers and connectors. These are not yet re-identified properly
+      var ids = {}; // TODO: Handle markers and connectors. These are not yet re-identified properly
       // as their referring elements do not get remapped.
       //
       // <marker id='se_marker_end_svg_7'/>
@@ -16559,8 +17703,8 @@
       //
       // Problem #1: if svg_1 gets renamed, we do not update the polyline's se:connector attribute
       // Problem #2: if the polyline svg_7 gets renamed, we do not update the marker id nor the polyline's marker-end attribute
-      var refElems = ['filter', 'linearGradient', 'pattern', 'radialGradient', 'symbol', 'textPath', 'use'];
 
+      var refElems = ['filter', 'linearGradient', 'pattern', 'radialGradient', 'symbol', 'textPath', 'use'];
       walkTree(g, function (n) {
         // if it's an element node
         if (n.nodeType === 1) {
@@ -16569,70 +17713,86 @@
             // and we haven't tracked this ID yet
             if (!(n.id in ids)) {
               // add this id to our map
-              ids[n.id] = { elem: null, attrs: [], hrefs: [] };
+              ids[n.id] = {
+                elem: null,
+                attrs: [],
+                hrefs: []
+              };
             }
-            ids[n.id].elem = n;
-          }
 
-          // now search for all attributes on this element that might refer
+            ids[n.id].elem = n;
+          } // now search for all attributes on this element that might refer
           // to other elements
+
+
           $$9.each(refAttrs, function (i, attr) {
             var attrnode = n.getAttributeNode(attr);
+
             if (attrnode) {
               // the incoming file has been sanitized, so we should be able to safely just strip off the leading #
               var url = getUrlFromAttr(attrnode.value),
                   refid = url ? url.substr(1) : null;
+
               if (refid) {
                 if (!(refid in ids)) {
                   // add this id to our map
-                  ids[refid] = { elem: null, attrs: [], hrefs: [] };
+                  ids[refid] = {
+                    elem: null,
+                    attrs: [],
+                    hrefs: []
+                  };
                 }
+
                 ids[refid].attrs.push(attrnode);
               }
             }
-          });
+          }); // check xlink:href now
+
+          var href = getHref(n); // TODO: what if an <image> or <a> element refers to an element internally?
 
-          // check xlink:href now
-          var href = getHref(n);
-          // TODO: what if an <image> or <a> element refers to an element internally?
           if (href && refElems.includes(n.nodeName)) {
             var refid = href.substr(1);
+
             if (refid) {
               if (!(refid in ids)) {
                 // add this id to our map
-                ids[refid] = { elem: null, attrs: [], hrefs: [] };
+                ids[refid] = {
+                  elem: null,
+                  attrs: [],
+                  hrefs: []
+                };
               }
+
               ids[refid].hrefs.push(n);
             }
           }
         }
-      });
+      }); // in ids, we now have a map of ids, elements and attributes, let's re-identify
 
-      // in ids, we now have a map of ids, elements and attributes, let's re-identify
       for (var oldid in ids) {
         if (!oldid) {
           continue;
         }
+
         var elem = ids[oldid].elem;
 
         if (elem) {
-          var newid = getNextId();
+          var newid = getNextId(); // assign element its new id
 
-          // assign element its new id
-          elem.id = newid;
+          elem.id = newid; // remap all url() attributes
 
-          // remap all url() attributes
           var attrs = ids[oldid].attrs;
-
           var j = attrs.length;
+
           while (j--) {
             var attr = attrs[j];
             attr.ownerElement.setAttribute(attr.name, 'url(#' + newid + ')');
-          }
+          } // remap all href attributes
+
 
-          // remap all href attributes
           var hreffers = ids[oldid].hrefs;
           var k = hreffers.length;
+
           while (k--) {
             var hreffer = hreffers[k];
             setHref(hreffer, '#' + newid);
@@ -16640,13 +17800,14 @@
         }
       }
     };
-
     /**
     * Assigns reference data for each use element
     * @function module:svgcanvas.SvgCanvas#setUseData
     * @param {Element} parent
     * @returns {undefined}
     */
+
+
     var setUseData = this.setUseData = function (parent) {
       var elems = $$9(parent);
 
@@ -16657,24 +17818,29 @@
       elems.each(function () {
         var id = getHref(this).substr(1);
         var refElem = getElem(id);
+
         if (!refElem) {
           return;
         }
+
         $$9(this).data('ref', refElem);
+
         if (refElem.tagName === 'symbol' || refElem.tagName === 'svg') {
           $$9(this).data('symbol', refElem).data('ref', refElem);
         }
       });
     };
-
     /**
     * Converts gradients from userSpaceOnUse to objectBoundingBox
     * @function module:svgcanvas.SvgCanvas#convertGradients
     * @param {Element} elem
     * @returns {undefined}
     */
+
+
     var convertGradients = this.convertGradients = function (elem) {
       var elems = $$9(elem).find('linearGradient, radialGradient');
+
       if (!elems.length && isWebkit()) {
         // Bug in webkit prevents regular *Gradient selector search
         elems = $$9(elem).find('*').filter(function () {
@@ -16684,32 +17850,32 @@
 
       elems.each(function () {
         var grad = this;
+
         if ($$9(grad).attr('gradientUnits') === 'userSpaceOnUse') {
           // TODO: Support more than one element with this ref by duplicating parent grad
           var _elems = $$9(svgcontent).find('[fill="url(#' + grad.id + ')"],[stroke="url(#' + grad.id + ')"]');
+
           if (!_elems.length) {
             return;
-          }
+          } // get object's bounding box
 
-          // get object's bounding box
-          var bb = getBBox(_elems[0]);
 
-          // This will occur if the element is inside a <defs> or a <symbol>,
+          var bb = getBBox(_elems[0]); // This will occur if the element is inside a <defs> or a <symbol>,
           // in which we shouldn't need to convert anyway.
+
           if (!bb) {
             return;
           }
 
           if (grad.tagName === 'linearGradient') {
-            var gCoords = $$9(grad).attr(['x1', 'y1', 'x2', 'y2']);
+            var gCoords = $$9(grad).attr(['x1', 'y1', 'x2', 'y2']); // If has transform, convert
 
-            // If has transform, convert
             var tlist = grad.gradientTransform.baseVal;
+
             if (tlist && tlist.numberOfItems > 0) {
               var m = transformListToTransform(tlist).matrix;
               var pt1 = transformPoint(gCoords.x1, gCoords.y1, m);
               var pt2 = transformPoint(gCoords.x2, gCoords.y2, m);
-
               gCoords.x1 = pt1.x;
               gCoords.y1 = pt1.y;
               gCoords.x2 = pt2.x;
@@ -16724,8 +17890,7 @@
               y2: (gCoords.y2 - bb.y) / bb.height
             });
             grad.removeAttribute('gradientUnits');
-          }
-          // else {
+          } // else {
           //   Note: radialGradient elements cannot be easily converted
           //   because userSpaceOnUse will keep circular gradients, while
           //   objectBoundingBox will x/y scale the gradient according to
@@ -16745,10 +17910,10 @@
           //
           //   grad.removeAttribute('gradientUnits');
           // }
+
         }
       });
     };
-
     /**
     * Converts selected/given `<use>` or child SVG element to a group
     * @function module:svgcanvas.SvgCanvas#convertToGroup
@@ -16756,22 +17921,23 @@
     * @fires module:svgcanvas.SvgCanvas#event:selected
     * @returns {undefined}
     */
+
+
     var convertToGroup = this.convertToGroup = function (elem) {
       if (!elem) {
         elem = selectedElements[0];
       }
+
       var $elem = $$9(elem);
       var batchCmd = new BatchCommand$1();
-      var ts = void 0;
+      var ts;
 
       if ($elem.data('gsvg')) {
         // Use the gsvg as the new group
         var svg = elem.firstChild;
         var pt = $$9(svg).attr(['x', 'y']);
-
         $$9(elem.firstChild.firstChild).unwrap();
         $$9(elem).removeData('gsvg');
-
         var tlist = getTransformList(elem);
         var xform = svgroot.createSVGTransform();
         xform.setTranslate(pt.x, pt.y);
@@ -16780,39 +17946,33 @@
         call('selected', [elem]);
       } else if ($elem.data('symbol')) {
         elem = $elem.data('symbol');
-
         ts = $elem.attr('transform');
         var pos = $elem.attr(['x', 'y']);
-
         var vb = elem.getAttribute('viewBox');
 
         if (vb) {
           var nums = vb.split(' ');
           pos.x -= +nums[0];
           pos.y -= +nums[1];
-        }
+        } // Not ideal, but works
+
 
-        // Not ideal, but works
         ts += ' translate(' + (pos.x || 0) + ',' + (pos.y || 0) + ')';
+        var prev = $elem.prev(); // Remove <use> element
 
-        var prev = $elem.prev();
-
-        // Remove <use> element
         batchCmd.addSubCommand(new RemoveElementCommand$1($elem[0], $elem[0].nextSibling, $elem[0].parentNode));
-        $elem.remove();
+        $elem.remove(); // See if other elements reference this symbol
 
-        // See if other elements reference this symbol
         var hasMore = $$9(svgcontent).find('use:data(symbol)').length;
-
         var g = svgdoc.createElementNS(NS.SVG, 'g');
         var childs = elem.childNodes;
+        var i;
 
-        var i = void 0;
         for (i = 0; i < childs.length; i++) {
           g.append(childs[i].cloneNode(true));
-        }
+        } // Duplicate the gradients for Gecko, since they weren't included in the <symbol>
+
 
-        // Duplicate the gradients for Gecko, since they weren't included in the <symbol>
         if (isGecko()) {
           var dupeGrads = $$9(findDefs()).children('linearGradient,radialGradient,pattern').clone();
           $$9(g).append(dupeGrads);
@@ -16823,17 +17983,14 @@
         }
 
         var parent = elem.parentNode;
+        uniquifyElems(g); // Put the dupe gradients back into <defs> (after uniquifying them)
 
-        uniquifyElems(g);
-
-        // Put the dupe gradients back into <defs> (after uniquifying them)
         if (isGecko()) {
           $$9(findDefs()).append($$9(g).find('linearGradient,radialGradient,pattern'));
-        }
+        } // now give the g itself a new id
+
 
-        // now give the g itself a new id
         g.id = getNextId();
-
         prev.after(g);
 
         if (parent) {
@@ -16841,10 +17998,10 @@
             // remove symbol/svg element
             var _elem = elem,
                 nextSibling = _elem.nextSibling;
-
             elem.remove();
             batchCmd.addSubCommand(new RemoveElementCommand$1(elem, nextSibling, parent));
           }
+
           batchCmd.addSubCommand(new InsertElementCommand$1(g));
         }
 
@@ -16854,28 +18011,26 @@
           convertGradients(findDefs());
         } else {
           convertGradients(g);
-        }
-
-        // recalculate dimensions on the top-level children so that unnecessary transforms
+        } // recalculate dimensions on the top-level children so that unnecessary transforms
         // are removed
+
+
         walkTreePost(g, function (n) {
           try {
             recalculateDimensions(n);
           } catch (e) {
             console.log(e);
           }
-        });
+        }); // Give ID for any visible element missing one
 
-        // Give ID for any visible element missing one
         $$9(g).find(visElems).each(function () {
           if (!this.id) {
             this.id = getNextId();
           }
         });
-
         selectOnly([g]);
-
         var cm = pushGroupProperties(g, true);
+
         if (cm) {
           batchCmd.addSubCommand(cm);
         }
@@ -16885,7 +18040,6 @@
         console.log('Unexpected element to ungroup:', elem);
       }
     };
-
     /**
     * This function sets the current drawing as the input SVG XML.
     * @function module:svgcanvas.SvgCanvas#setSvgString
@@ -16899,27 +18053,26 @@
     * @returns {boolean} This function returns `false` if the set was
     *     unsuccessful, `true` otherwise.
     */
+
+
     this.setSvgString = function (xmlString, preventUndo) {
       try {
         // convert string into XML document
         var newDoc = text2xml(xmlString);
+
         if (newDoc.firstElementChild && newDoc.firstElementChild.namespaceURI !== NS.SVG) {
           return false;
         }
 
         this.prepareSvg(newDoc);
+        var batchCmd = new BatchCommand$1('Change Source'); // remove old svg document
 
-        var batchCmd = new BatchCommand$1('Change Source');
-
-        // remove old svg document
         var _svgcontent = svgcontent,
             nextSibling = _svgcontent.nextSibling;
-
         var oldzoom = svgroot.removeChild(svgcontent);
-        batchCmd.addSubCommand(new RemoveElementCommand$1(oldzoom, nextSibling, svgroot));
-
-        // set new svg document
+        batchCmd.addSubCommand(new RemoveElementCommand$1(oldzoom, nextSibling, svgroot)); // set new svg document
         // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()
+
         if (svgdoc.adoptNode) {
           svgcontent = svgdoc.adoptNode(newDoc.documentElement);
         } else {
@@ -16928,82 +18081,76 @@
 
         svgroot.append(svgcontent);
         var content = $$9(svgcontent);
+        canvas.current_drawing_ = new Drawing(svgcontent, idprefix); // retrieve or set the nonce
 
-        canvas.current_drawing_ = new Drawing(svgcontent, idprefix);
-
-        // retrieve or set the nonce
         var nonce = getCurrentDrawing().getNonce();
+
         if (nonce) {
           call('setnonce', nonce);
         } else {
           call('unsetnonce');
-        }
+        } // change image href vals if possible
+
 
-        // change image href vals if possible
         content.find('image').each(function () {
           var image = this;
           preventClickDefault(image);
           var val = getHref(this);
+
           if (val) {
             if (val.startsWith('data:')) {
               // Check if an SVG-edit data URI
               var m = val.match(/svgedit_url=(.*?);/);
+
               if (m) {
                 var url = decodeURIComponent(m[1]);
                 $$9(new Image()).load(function () {
                   image.setAttributeNS(NS.XLINK, 'xlink:href', url);
                 }).attr('src', url);
               }
-            }
-            // Add to encodableImages if it loads
+            } // Add to encodableImages if it loads
+
+
             canvas.embedImage(val);
           }
-        });
+        }); // Wrap child SVGs in group elements
 
-        // Wrap child SVGs in group elements
         content.find('svg').each(function () {
           // Skip if it's in a <defs>
           if ($$9(this).closest('defs').length) {
             return;
           }
 
-          uniquifyElems(this);
+          uniquifyElems(this); // Check if it already has a gsvg group
 
-          // Check if it already has a gsvg group
           var pa = this.parentNode;
+
           if (pa.childNodes.length === 1 && pa.nodeName === 'g') {
             $$9(pa).data('gsvg', this);
             pa.id = pa.id || getNextId();
           } else {
             groupSvgElem(this);
           }
-        });
+        }); // For Firefox: Put all paint elems in defs
 
-        // For Firefox: Put all paint elems in defs
         if (isGecko()) {
           content.find('linearGradient, radialGradient, pattern').appendTo(findDefs());
-        }
-
-        // Set ref element for <use> elements
-
+        } // Set ref element for <use> elements
         // TODO: This should also be done if the object is re-added through "redo"
+
+
         setUseData(content);
-
         convertGradients(content[0]);
-
         var attrs = {
           id: 'svgcontent',
           overflow: curConfig.show_outside_canvas ? 'visible' : 'hidden'
         };
+        var percs = false; // determine proper size
 
-        var percs = false;
-
-        // determine proper size
         if (content.attr('viewBox')) {
           var vb = content.attr('viewBox').split(' ');
           attrs.width = vb[2];
-          attrs.height = vb[3];
-          // handle content that doesn't have a viewBox
+          attrs.height = vb[3]; // handle content that doesn't have a viewBox
         } else {
           $$9.each(['width', 'height'], function (i, dim) {
             // Set to 100 if not given
@@ -17016,30 +18163,29 @@
               attrs[dim] = convertToNum(dim, val);
             }
           });
-        }
+        } // identify layers
 
-        // identify layers
-        identifyLayers();
 
-        // Give ID for any visible layer children missing one
+        identifyLayers(); // Give ID for any visible layer children missing one
+
         content.children().find(visElems).each(function () {
           if (!this.id) {
             this.id = getNextId();
           }
-        });
+        }); // Percentage width/height, so let's base it on visible elements
 
-        // Percentage width/height, so let's base it on visible elements
         if (percs) {
           var bb = getStrokedBBoxDefaultVisible();
           attrs.width = bb.width + bb.x;
           attrs.height = bb.height + bb.y;
-        }
-
-        // Just in case negative numbers are given or
+        } // Just in case negative numbers are given or
         // result from the percs calculation
+
+
         if (attrs.width <= 0) {
           attrs.width = 100;
         }
+
         if (attrs.height <= 0) {
           attrs.height = 100;
         }
@@ -17047,21 +18193,17 @@
         content.attr(attrs);
         this.contentW = attrs.width;
         this.contentH = attrs.height;
+        batchCmd.addSubCommand(new InsertElementCommand$1(svgcontent)); // update root to the correct size
 
-        batchCmd.addSubCommand(new InsertElementCommand$1(svgcontent));
-        // update root to the correct size
         var changes = content.attr(['width', 'height']);
-        batchCmd.addSubCommand(new ChangeElementCommand$1(svgroot, changes));
+        batchCmd.addSubCommand(new ChangeElementCommand$1(svgroot, changes)); // reset zoom
 
-        // reset zoom
-        currentZoom = 1;
+        currentZoom = 1; // reset transform lists
 
-        // reset transform lists
         resetListMap();
         clearSelection();
         clearData();
         svgroot.append(selectorManager.selectorParentGroup);
-
         if (!preventUndo) addCommandToHistory(batchCmd);
         call('changed', [svgcontent]);
       } catch (e) {
@@ -17071,7 +18213,6 @@
 
       return true;
     };
-
     /**
     * This function imports the input SVG XML as a `<symbol>` in the `<defs>`, then adds a
     * `<use>` to the current layer.
@@ -17086,16 +18227,16 @@
     * arbitrary transform lists, but makes some assumptions about how the transform list
     * was obtained
     */
+
+
     this.importSvgString = function (xmlString) {
-      var j = void 0,
-          ts = void 0,
-          useEl = void 0;
+      var j, ts, useEl;
+
       try {
         // Get unique ID
         var uid = encode64(xmlString.length + xmlString).substr(0, 32);
+        var useExisting = false; // Look for symbol and make sure symbol exists in image
 
-        var useExisting = false;
-        // Look for symbol and make sure symbol exists in image
         if (importIds[uid]) {
           if ($$9(importIds[uid].symbol).parents('#svgroot').length) {
             useExisting = true;
@@ -17103,20 +18244,18 @@
         }
 
         var batchCmd = new BatchCommand$1('Import Image');
-        var symbol = void 0;
+        var symbol;
+
         if (useExisting) {
           symbol = importIds[uid].symbol;
-
           ts = importIds[uid].xform;
         } else {
           // convert string into XML document
           var newDoc = text2xml(xmlString);
+          this.prepareSvg(newDoc); // import new svg document into our document
 
-          this.prepareSvg(newDoc);
+          var svg; // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()
 
-          // import new svg document into our document
-          var svg = void 0;
-          // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()
           if (svgdoc.adoptNode) {
             svg = svgdoc.adoptNode(newDoc.documentElement);
           } else {
@@ -17124,31 +18263,28 @@
           }
 
           uniquifyElems(svg);
-
           var innerw = convertToNum('width', svg.getAttribute('width')),
               innerh = convertToNum('height', svg.getAttribute('height')),
               innervb = svg.getAttribute('viewBox'),
-
-          // if no explicit viewbox, create one out of the width and height
+              // if no explicit viewbox, create one out of the width and height
           vb = innervb ? innervb.split(' ') : [0, 0, innerw, innerh];
+
           for (j = 0; j < 4; ++j) {
             vb[j] = +vb[j];
-          }
+          } // TODO: properly handle preserveAspectRatio
+
 
-          // TODO: properly handle preserveAspectRatio
           var // canvasw = +svgcontent.getAttribute('width'),
-          canvash = +svgcontent.getAttribute('height');
-          // imported content should be 1/3 of the canvas on its largest dimension
+          canvash = +svgcontent.getAttribute('height'); // imported content should be 1/3 of the canvas on its largest dimension
 
           if (innerh > innerw) {
             ts = 'scale(' + canvash / 3 / vb[3] + ')';
           } else {
             ts = 'scale(' + canvash / 3 / vb[2] + ')';
-          }
+          } // Hack to make recalculateDimensions understand how to scale
+
 
-          // Hack to make recalculateDimensions understand how to scale
           ts = 'translate(0) ' + ts + ' translate(0)';
-
           symbol = svgdoc.createElementNS(NS.SVG, 'symbol');
           var defs = findDefs();
 
@@ -17163,19 +18299,20 @@
             var first = svg.firstChild;
             symbol.append(first);
           }
+
           var attrs = svg.attributes;
+
           for (var i = 0; i < attrs.length; i++) {
             var attr = attrs[i];
             symbol.setAttribute(attr.nodeName, attr.value);
           }
-          symbol.id = getNextId();
 
-          // Store data
+          symbol.id = getNextId(); // Store data
+
           importIds[uid] = {
             symbol: symbol,
             xform: ts
           };
-
           findDefs().append(symbol);
           batchCmd.addSubCommand(new InsertElementCommand$1(symbol));
         }
@@ -17183,33 +18320,30 @@
         useEl = svgdoc.createElementNS(NS.SVG, 'use');
         useEl.id = getNextId();
         setHref(useEl, '#' + symbol.id);
-
         (currentGroup || getCurrentDrawing().getCurrentLayer()).append(useEl);
         batchCmd.addSubCommand(new InsertElementCommand$1(useEl));
         clearSelection();
-
         useEl.setAttribute('transform', ts);
         recalculateDimensions(useEl);
         $$9(useEl).data('symbol', symbol).data('ref', symbol);
-        addToSelection([useEl]);
-
-        // TODO: Find way to add this in a recalculateDimensions-parsable way
+        addToSelection([useEl]); // TODO: Find way to add this in a recalculateDimensions-parsable way
         // if (vb[0] !== 0 || vb[1] !== 0) {
         //   ts = 'translate(' + (-vb[0]) + ',' + (-vb[1]) + ') ' + ts;
         // }
+
         addCommandToHistory(batchCmd);
         call('changed', [svgcontent]);
       } catch (e) {
         console.log(e);
         return null;
-      }
+      } // we want to return the element so we can automatically select it
+
 
-      // we want to return the element so we can automatically select it
       return useEl;
-    };
-
-    // Could deprecate, but besides external uses, their usage makes clear that
+    }; // Could deprecate, but besides external uses, their usage makes clear that
     //  canvas is a dependency for all of these
+
+
     ['identifyLayers', 'createLayer', 'cloneLayer', 'deleteCurrentLayer', 'setCurrentLayer', 'renameCurrentLayer', 'setCurrentLayerPosition', 'setLayerVisibility', 'moveSelectedToLayer', 'mergeLayer', 'mergeAllLayers', 'leaveContext', 'setContext'].forEach(function (prop) {
       canvas[prop] = draw[prop];
     });
@@ -17225,7 +18359,6 @@
       setCurrentGroup: function setCurrentGroup(cg) {
         currentGroup = cg;
       },
-
       getSelectedElements: getSelectedElements,
       getSVGContent: getSVGContent,
       undoMgr: undoMgr,
@@ -17234,6 +18367,7 @@
       clearSelection: clearSelection,
       call: call,
       addCommandToHistory: addCommandToHistory,
+
       /**
        * @fires module:svgcanvas.SvgCanvas#event:changed
        * @returns {undefined}
@@ -17242,7 +18376,6 @@
         call('changed', [svgcontent]);
       }
     });
-
     /**
     * Group: Document functions
     */
@@ -17253,51 +18386,44 @@
     * @fires module:svgcanvas.SvgCanvas#event:cleared
     * @returns {undefined}
     */
+
     this.clear = function () {
       pathActions$$1.clear();
+      clearSelection(); // clear the svgcontent node
 
-      clearSelection();
+      canvas.clearSvgContentElement(); // create new document
 
-      // clear the svgcontent node
-      canvas.clearSvgContentElement();
+      canvas.current_drawing_ = new Drawing(svgcontent); // create empty first layer
 
-      // create new document
-      canvas.current_drawing_ = new Drawing(svgcontent);
+      canvas.createLayer('Layer 1'); // clear the undo stack
 
-      // create empty first layer
-      canvas.createLayer('Layer 1');
+      canvas.undoMgr.resetUndoStack(); // reset the selector manager
 
-      // clear the undo stack
-      canvas.undoMgr.resetUndoStack();
+      selectorManager.initGroup(); // reset the rubber band box
 
-      // reset the selector manager
-      selectorManager.initGroup();
-
-      // reset the rubber band box
       rubberBox = selectorManager.getRubberBandBox();
-
       call('cleared');
-    };
+    }; // Alias function
+
 
-    // Alias function
     this.linkControlPoints = pathActions$$1.linkControlPoints;
-
     /**
     * @function module:svgcanvas.SvgCanvas#getContentElem
     * @returns {Element} The content DOM element
     */
+
     this.getContentElem = function () {
       return svgcontent;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getRootElem
     * @returns {SVGSVGElement} The root DOM element
     */
+
+
     this.getRootElem = function () {
       return svgroot;
     };
-
     /**
     * @typedef {PlainObject} DimensionsAndZoom
     * @property {Float} w Width
@@ -17309,77 +18435,85 @@
     * @function module:svgcanvas.SvgCanvas#getResolution
     * @returns {DimensionsAndZoom} The current dimensions and zoom level in an object
     */
+
+
     var getResolution = this.getResolution = function () {
       //    const vb = svgcontent.getAttribute('viewBox').split(' ');
       //    return {w:vb[2], h:vb[3], zoom: currentZoom};
-
       var w = svgcontent.getAttribute('width') / currentZoom;
       var h = svgcontent.getAttribute('height') / currentZoom;
-
       return {
         w: w,
         h: h,
         zoom: currentZoom
       };
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getSnapToGrid
     * @returns {boolean} The current snap to grid setting
     */
+
+
     this.getSnapToGrid = function () {
       return curConfig.gridSnapping;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getVersion
     * @returns {string} A string which describes the revision number of SvgCanvas.
     */
+
+
     this.getVersion = function () {
       return 'svgcanvas.js ($Rev$)';
     };
-
     /**
     * Update interface strings with given values
     * @function module:svgcanvas.SvgCanvas#setUiStrings
     * @param {module:path.uiStrings} strs - Object with strings (see the [locales API]{@link module:locale.LocaleStrings} and the [tutorial]{@tutorial LocaleDocs})
     * @returns {undefined}
     */
+
+
     this.setUiStrings = function (strs) {
       Object.assign(uiStrings, strs.notification);
       setUiStrings(strs);
     };
-
     /**
     * Update configuration options with given values
     * @function module:svgcanvas.SvgCanvas#setConfig
     * @param {module:SVGEditor.Config} opts - Object with options
     * @returns {undefined}
     */
+
+
     this.setConfig = function (opts) {
       Object.assign(curConfig, opts);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getTitle
     * @param {Element} elem
     * @returns {string|undefined} the current group/SVG's title contents
     */
+
+
     this.getTitle = function (elem) {
       elem = elem || selectedElements[0];
+
       if (!elem) {
         return;
       }
+
       elem = $$9(elem).data('gsvg') || $$9(elem).data('symbol') || elem;
       var childs = elem.childNodes;
+
       for (var i = 0; i < childs.length; i++) {
         if (childs[i].nodeName === 'title') {
           return childs[i].textContent;
         }
       }
+
       return '';
     };
-
     /**
     * Sets the group/SVG's title content
     * @function module:svgcanvas.SvgCanvas#setGroupTitle
@@ -17387,15 +18521,15 @@
     * @todo Combine this with `setDocumentTitle`
     * @returns {undefined}
     */
+
+
     this.setGroupTitle = function (val) {
       var elem = selectedElements[0];
       elem = $$9(elem).data('gsvg') || elem;
-
       var ts = $$9(elem).children('title');
-
       var batchCmd = new BatchCommand$1('Set Label');
+      var title;
 
-      var title = void 0;
       if (!val.length) {
         // Remove title element
         var tsNextSibling = ts.nextSibling;
@@ -17404,7 +18538,9 @@
       } else if (ts.length) {
         // Change title contents
         title = ts[0];
-        batchCmd.addSubCommand(new ChangeElementCommand$1(title, { '#text': title.textContent }));
+        batchCmd.addSubCommand(new ChangeElementCommand$1(title, {
+          '#text': title.textContent
+        }));
         title.textContent = val;
       } else {
         // Add title element
@@ -17416,15 +18552,15 @@
 
       addCommandToHistory(batchCmd);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getDocumentTitle
     * @returns {string|undefined} The current document title or an empty string if not found
     */
+
+
     var getDocumentTitle = this.getDocumentTitle = function () {
       return canvas.getTitle(svgcontent);
     };
-
     /**
     * Adds/updates a title element for the document with the given name.
     * This is an undoable action
@@ -17432,11 +18568,12 @@
     * @param {string} newTitle - String with the new title
     * @returns {undefined}
     */
+
+
     this.setDocumentTitle = function (newTitle) {
       var childs = svgcontent.childNodes;
       var docTitle = false,
           oldTitle = '';
-
       var batchCmd = new BatchCommand$1('Change Image Title');
 
       for (var i = 0; i < childs.length; i++) {
@@ -17446,10 +18583,10 @@
           break;
         }
       }
+
       if (!docTitle) {
         docTitle = svgdoc.createElementNS(NS.SVG, 'title');
-        svgcontent.insertBefore(docTitle, svgcontent.firstChild);
-        // svgcontent.firstChild.before(docTitle); // Ok to replace above with this?
+        svgcontent.insertBefore(docTitle, svgcontent.firstChild); // svgcontent.firstChild.before(docTitle); // Ok to replace above with this?
       }
 
       if (newTitle.length) {
@@ -17458,23 +18595,27 @@
         // No title given, so element is not necessary
         docTitle.remove();
       }
-      batchCmd.addSubCommand(new ChangeElementCommand$1(docTitle, { '#text': oldTitle }));
+
+      batchCmd.addSubCommand(new ChangeElementCommand$1(docTitle, {
+        '#text': oldTitle
+      }));
       addCommandToHistory(batchCmd);
     };
-
     /**
     * Returns the editor's namespace URL, optionally adding it to the root element
     * @function module:svgcanvas.SvgCanvas#getEditorNS
     * @param {boolean} [add] - Indicates whether or not to add the namespace value
     * @returns {string} The editor's namespace URL
     */
+
+
     this.getEditorNS = function (add) {
       if (add) {
         svgcontent.setAttribute('xmlns:se', NS.SE);
       }
+
       return NS.SE;
     };
-
     /**
     * Changes the document's dimensions to the given size
     * @function module:svgcanvas.SvgCanvas#setResolution
@@ -17485,12 +18626,13 @@
     * @returns {boolean} Indicates if resolution change was successful.
     * It will fail on "fit to content" option with no content to fit to.
     */
+
+
     this.setResolution = function (x, y) {
       var res = getResolution();
       var w = res.w,
           h = res.h;
-
-      var batchCmd = void 0;
+      var batchCmd;
 
       if (x === 'fit') {
         // Get bounding box
@@ -17506,17 +18648,16 @@
             dx.push(bbox.x * -1);
             dy.push(bbox.y * -1);
           });
-
           var cmd = canvas.moveSelectedElements(dx, dy, true);
           batchCmd.addSubCommand(cmd);
           clearSelection();
-
           x = Math.round(bbox.width);
           y = Math.round(bbox.height);
         } else {
           return false;
         }
       }
+
       if (x !== w || y !== h) {
         if (!batchCmd) {
           batchCmd = new BatchCommand$1('Change Image Dimensions');
@@ -17524,23 +18665,24 @@
 
         x = convertToNum('width', x);
         y = convertToNum('height', y);
-
         svgcontent.setAttribute('width', x);
         svgcontent.setAttribute('height', y);
-
         this.contentW = x;
         this.contentH = y;
-        batchCmd.addSubCommand(new ChangeElementCommand$1(svgcontent, { width: w, height: h }));
-
+        batchCmd.addSubCommand(new ChangeElementCommand$1(svgcontent, {
+          width: w,
+          height: h
+        }));
         svgcontent.setAttribute('viewBox', [0, 0, x / currentZoom, y / currentZoom].join(' '));
-        batchCmd.addSubCommand(new ChangeElementCommand$1(svgcontent, { viewBox: ['0 0', w, h].join(' ') }));
-
+        batchCmd.addSubCommand(new ChangeElementCommand$1(svgcontent, {
+          viewBox: ['0 0', w, h].join(' ')
+        }));
         addCommandToHistory(batchCmd);
         call('changed', [svgcontent]);
       }
+
       return true;
     };
-
     /**
     * @typedef {module:jQueryAttr.Attributes} module:svgcanvas.ElementPositionInCanvas
     * @property {Float} x
@@ -17552,15 +18694,17 @@
     * @returns {module:svgcanvas.ElementPositionInCanvas} An object with `x`, `y` values indicating the svgcontent element's
     * position in the editor's canvas.
     */
+
+
     this.getOffset = function () {
       return $$9(svgcontent).attr(['x', 'y']);
     };
-
     /**
      * @typedef {PlainObject} module:svgcanvas.ZoomAndBBox
      * @property {Float} zoom
      * @property {module:utilities.BBoxObject} bbox
      */
+
     /**
     * Sets the zoom level on the canvas-side based on the given value
     * @function module:svgcanvas.SvgCanvas#setBBoxZoom
@@ -17569,27 +18713,39 @@
     * @param {Integer} editorH - The editor's workarea box's height
     * @returns {module:svgcanvas.ZoomAndBBox|undefined}
     */
+
+
     this.setBBoxZoom = function (val, editorW, editorH) {
       var spacer = 0.85;
-      var bb = void 0;
+      var bb;
+
       var calcZoom = function calcZoom(bb) {
         if (!bb) {
           return false;
         }
+
         var wZoom = Math.round(editorW / bb.width * 100 * spacer) / 100;
         var hZoom = Math.round(editorH / bb.height * 100 * spacer) / 100;
         var zoom = Math.min(wZoom, hZoom);
         canvas.setZoom(zoom);
-        return { zoom: zoom, bbox: bb };
+        return {
+          zoom: zoom,
+          bbox: bb
+        };
       };
 
-      if ((typeof val === 'undefined' ? 'undefined' : _typeof(val)) === 'object') {
+      if (_typeof(val) === 'object') {
         bb = val;
+
         if (bb.width === 0 || bb.height === 0) {
           var newzoom = bb.zoom ? bb.zoom : currentZoom * bb.factor;
           canvas.setZoom(newzoom);
-          return { zoom: currentZoom, bbox: bb };
+          return {
+            zoom: currentZoom,
+            bbox: bb
+          };
         }
+
         return calcZoom(bb);
       }
 
@@ -17598,6 +18754,7 @@
           if (!selectedElements[0]) {
             return;
           }
+
           var selectedElems = $$9.map(selectedElements, function (n) {
             if (n) {
               return n;
@@ -17605,28 +18762,38 @@
           });
           bb = getStrokedBBoxDefaultVisible(selectedElems);
           break;
+
         case 'canvas':
           var res = getResolution();
           spacer = 0.95;
-          bb = { width: res.w, height: res.h, x: 0, y: 0 };
+          bb = {
+            width: res.w,
+            height: res.h,
+            x: 0,
+            y: 0
+          };
           break;
+
         case 'content':
           bb = getStrokedBBoxDefaultVisible();
           break;
+
         case 'layer':
           bb = getStrokedBBoxDefaultVisible(getVisibleElements(getCurrentDrawing().getCurrentLayer()));
           break;
+
         default:
           return;
       }
+
       return calcZoom(bb);
     };
-
     /**
     * The zoom level has changed. Supplies the new zoom level as a number (not percentage).
     * @event module:svgcanvas.SvgCanvas#event:ext-zoomChanged
     * @type {Float}
     */
+
     /**
     * The bottom panel was updated
     * @event module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate
@@ -17634,6 +18801,7 @@
     * @property {boolean} nofill Indicates fill is disabled
     * @property {boolean} nostroke Indicates stroke is disabled
     */
+
     /**
     * The element selection has changed (elements were added/removed from selection)
     * @event module:svgcanvas.SvgCanvas#event:ext-selectedChanged
@@ -17642,6 +18810,7 @@
     * @property {Element|null} selectedElement The single selected element
     * @property {boolean} multiselected Indicates whether one or more elements were selected
     */
+
     /**
     * Called when part of element is in process of changing, generally on
     * mousemove actions like rotate, move, etc.
@@ -17649,12 +18818,14 @@
     * @type {PlainObject}
     * @property {Element[]} elems Array of transitioning elements
     */
+
     /**
     * One or more elements were changed
     * @event module:svgcanvas.SvgCanvas#event:ext-elementChanged
     * @type {PlainObject}
     * @property {Element[]} elems Array of the affected elements
     */
+
     /**
     * Invoked as soon as the locale is ready
     * @event module:svgcanvas.SvgCanvas#event:ext-langReady
@@ -17663,11 +18834,13 @@
     * @property {module:SVGEditor.uiStrings} uiStrings
     * @property {module:SVGEditor~ImportLocale} importLocale
     */
+
     /**
     * The language was changed. Two-letter code of the new language.
     * @event module:svgcanvas.SvgCanvas#event:ext-langChanged
     * @type {string}
     */
+
     /**
     * Means for an extension to add locale data. The two-letter language code.
     * @event module:svgcanvas.SvgCanvas#event:ext-addLangData
@@ -17675,16 +18848,19 @@
     * @property {string} lang
     * @property {module:SVGEditor~ImportLocale} importLocale
     */
+
     /**
      * Called when new image is created
      * @event module:svgcanvas.SvgCanvas#event:ext-onNewDocument
      * @type {undefined}
      */
+
     /**
      * Called when sidepanel is resized or toggled
      * @event module:svgcanvas.SvgCanvas#event:ext-workareaResized
      * @type {undefined}
     */
+
     /**
      * Called upon addition of the extension, or, if svgicons are set,
      * after the icons are ready when extension SVG icons have loaded.
@@ -17699,6 +18875,8 @@
     * @fires module:svgcanvas.SvgCanvas#event:ext-zoomChanged
     * @returns {undefined}
     */
+
+
     this.setZoom = function (zoomLevel) {
       var res = getResolution();
       svgcontent.setAttribute('viewBox', '0 0 ' + res.w / zoomLevel + ' ' + res.h / zoomLevel);
@@ -17707,33 +18885,37 @@
         if (!elem) {
           return;
         }
+
         selectorManager.requestSelector(elem).resize();
       });
       pathActions$$1.zoomChange();
-      runExtensions('zoomChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} */zoomLevel);
+      runExtensions('zoomChanged',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} */
+      zoomLevel);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getMode
     * @returns {string} The current editor mode string
     */
+
+
     this.getMode = function () {
       return currentMode;
     };
-
     /**
     * Sets the editor's mode to the given string
     * @function module:svgcanvas.SvgCanvas#setMode
     * @param {string} name - String with the new mode to change to
     * @returns {undefined}
     */
+
+
     this.setMode = function (name) {
       pathActions$$1.clear(true);
       textActions.clear();
       curProperties = selectedElements[0] && selectedElements[0].nodeName === 'text' ? curText : curShape;
       currentMode = name;
     };
-
     /**
     * Group: Element Styling
     */
@@ -17748,10 +18930,11 @@
     * @param {string} type
     * @returns {string|module:svgcanvas.PaintOptions|Float|module:jGraduate~Paint} The current fill/stroke option
     */
+
+
     this.getColor = function (type) {
       return curProperties[type];
     };
-
     /**
     * Change the current stroke/fill color/gradient value
     * @function module:svgcanvas.SvgCanvas#setColor
@@ -17761,18 +18944,26 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setColor = function (type, val, preventUndo) {
       curShape[type] = val;
-      curProperties[type + '_paint'] = { type: 'solidColor' };
+      curProperties[type + '_paint'] = {
+        type: 'solidColor'
+      };
       var elems = [];
+
       function addNonG(e) {
         if (e.nodeName !== 'g') {
           elems.push(e);
         }
       }
+
       var i = selectedElements.length;
+
       while (i--) {
         var elem = selectedElements[i];
+
         if (elem) {
           if (elem.tagName === 'g') {
             walkTree(elem, addNonG);
@@ -17787,6 +18978,7 @@
           }
         }
       }
+
       if (elems.length > 0) {
         if (!preventUndo) {
           changeSelectedAttribute(type, val, elems);
@@ -17796,47 +18988,53 @@
         }
       }
     };
-
     /**
     * Apply the current gradient to selected element's fill or stroke
     * @function module:svgcanvas.SvgCanvas#setGradient
     * @param {"fill"|"stroke"} type - String indicating "fill" or "stroke" to apply to an element
     * @returns {undefined}
     */
+
+
     var setGradient = this.setGradient = function (type) {
       if (!curProperties[type + '_paint'] || curProperties[type + '_paint'].type === 'solidColor') {
         return;
       }
-      var grad = canvas[type + 'Grad'];
-      // find out if there is a duplicate gradient already in the defs
+
+      var grad = canvas[type + 'Grad']; // find out if there is a duplicate gradient already in the defs
+
       var duplicateGrad = findDuplicateGradient(grad);
-      var defs = findDefs();
-      // no duplicate found, so import gradient into defs
+      var defs = findDefs(); // no duplicate found, so import gradient into defs
+
       if (!duplicateGrad) {
         // const origGrad = grad;
-        grad = defs.appendChild(svgdoc.importNode(grad, true));
-        // get next id and set it on the grad
+        grad = defs.appendChild(svgdoc.importNode(grad, true)); // get next id and set it on the grad
+
         grad.id = getNextId();
       } else {
         // use existing gradient
         grad = duplicateGrad;
       }
+
       canvas.setColor(type, 'url(#' + grad.id + ')');
     };
-
     /**
     * Check if exact gradient already exists
     * @function module:svgcanvas~findDuplicateGradient
     * @param {SVGGradientElement} grad - The gradient DOM element to compare to others
     * @returns {SVGGradientElement} The existing gradient if found, `null` if not
     */
+
+
     var findDuplicateGradient = function findDuplicateGradient(grad) {
       var defs = findDefs();
       var existingGrads = $$9(defs).find('linearGradient, radialGradient');
       var i = existingGrads.length;
       var radAttrs = ['r', 'cx', 'cy', 'fx', 'fy'];
+
       while (i--) {
         var og = existingGrads[i];
+
         if (grad.tagName === 'linearGradient') {
           if (grad.getAttribute('x1') !== og.getAttribute('x1') || grad.getAttribute('y1') !== og.getAttribute('y1') || grad.getAttribute('x2') !== og.getAttribute('x2') || grad.getAttribute('y2') !== og.getAttribute('y2')) {
             continue;
@@ -17845,7 +19043,6 @@
           var _ret = function () {
             var gradAttrs = $$9(grad).attr(radAttrs);
             var ogAttrs = $$9(og).attr(radAttrs);
-
             var diff = false;
             $$9.each(radAttrs, function (i, attr) {
               if (gradAttrs[attr] !== ogAttrs[attr]) {
@@ -17854,14 +19051,14 @@
             });
 
             if (diff) {
-              return 'continue';
+              return "continue";
             }
           }();
 
-          if (_ret === 'continue') continue;
-        }
+          if (_ret === "continue") continue;
+        } // else could be a duplicate, iterate through stops
+
 
-        // else could be a duplicate, iterate through stops
         var stops = grad.getElementsByTagNameNS(NS.SVG, 'stop');
         var ostops = og.getElementsByTagNameNS(NS.SVG, 'stop');
 
@@ -17870,6 +19067,7 @@
         }
 
         var j = stops.length;
+
         while (j--) {
           var stop = stops[j];
           var ostop = ostops[j];
@@ -17884,9 +19082,9 @@
         }
       } // for each gradient in defs
 
+
       return null;
     };
-
     /**
     * Set a color/gradient to a fill/stroke
     * @function module:svgcanvas.SvgCanvas#setPaint
@@ -17894,17 +19092,20 @@
     * @param {module:jGraduate.jGraduatePaintOptions} paint - The jGraduate paint object to apply
     * @returns {undefined}
     */
+
+
     this.setPaint = function (type, paint) {
       // make a copy
       var p = new $$9.jGraduate.Paint(paint);
-      this.setPaintOpacity(type, p.alpha / 100, true);
+      this.setPaintOpacity(type, p.alpha / 100, true); // now set the current paint object
 
-      // now set the current paint object
       curProperties[type + '_paint'] = p;
+
       switch (p.type) {
         case 'solidColor':
           this.setColor(type, p.solidColor !== 'none' ? '#' + p.solidColor : 'none');
           break;
+
         case 'linearGradient':
         case 'radialGradient':
           canvas[type + 'Grad'] = p[p.type];
@@ -17912,33 +19113,35 @@
           break;
       }
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#setStrokePaint
     * @param {module:jGraduate~Paint} paint
     * @returns {undefined}
     */
+
+
     this.setStrokePaint = function (paint) {
       this.setPaint('stroke', paint);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#setFillPaint
     * @param {module:jGraduate~Paint} paint
     * @returns {undefined}
     */
+
+
     this.setFillPaint = function (paint) {
       this.setPaint('fill', paint);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getStrokeWidth
     * @returns {Float|string} The current stroke-width value
     */
+
+
     this.getStrokeWidth = function () {
       return curProperties.stroke_width;
     };
-
     /**
     * Sets the stroke width for the current selected elements.
     * When attempting to set a line's width to 0, this changes it to 1 instead
@@ -17947,22 +19150,28 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setStrokeWidth = function (val) {
       if (val === 0 && ['line', 'path'].includes(currentMode)) {
         canvas.setStrokeWidth(1);
         return;
       }
-      curProperties.stroke_width = val;
 
+      curProperties.stroke_width = val;
       var elems = [];
+
       function addNonG(e) {
         if (e.nodeName !== 'g') {
           elems.push(e);
         }
       }
+
       var i = selectedElements.length;
+
       while (i--) {
         var elem = selectedElements[i];
+
         if (elem) {
           if (elem.tagName === 'g') {
             walkTree(elem, addNonG);
@@ -17971,12 +19180,12 @@
           }
         }
       }
+
       if (elems.length > 0) {
         changeSelectedAttribute('stroke-width', val, elems);
         call('changed', selectedElements);
       }
     };
-
     /**
     * Set the given stroke-related attribute the given value for selected elements
     * @function module:svgcanvas.SvgCanvas#setStrokeAttr
@@ -17985,13 +19194,16 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setStrokeAttr = function (attr, val) {
       curShape[attr.replace('-', '_')] = val;
       var elems = [];
-
       var i = selectedElements.length;
+
       while (i--) {
         var elem = selectedElements[i];
+
         if (elem) {
           if (elem.tagName === 'g') {
             walkTree(elem, function (e) {
@@ -18004,12 +19216,12 @@
           }
         }
       }
+
       if (elems.length > 0) {
         changeSelectedAttribute(attr, val, elems);
         call('changed', selectedElements);
       }
     };
-
     /**
     * @typedef {PlainObject} module:svgcanvas.StyleOptions
     * @property {string} fill
@@ -18027,43 +19239,47 @@
     * @function module:svgcanvas.SvgCanvas#getStyle
     * @returns {module:svgcanvas.StyleOptions} current style options
     */
+
+
     this.getStyle = function () {
       return curShape;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getOpacity
     * @returns {Float} the current opacity
     */
-    this.getOpacity = getOpacity;
 
+
+    this.getOpacity = getOpacity;
     /**
     * Sets the given opacity to the current selected elements
     * @function module:svgcanvas.SvgCanvas#setOpacity
     * @param {string} val
     * @returns {undefined}
     */
+
     this.setOpacity = function (val) {
       curShape.opacity = val;
       changeSelectedAttribute('opacity', val);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getFillOpacity
     * @returns {Float} the current fill opacity
     */
+
+
     this.getFillOpacity = function () {
       return curShape.fill_opacity;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getStrokeOpacity
     * @returns {string} the current stroke opacity
     */
+
+
     this.getStrokeOpacity = function () {
       return curShape.stroke_opacity;
     };
-
     /**
     * Sets the current fill/stroke opacity
     * @function module:svgcanvas.SvgCanvas#setPaintOpacity
@@ -18072,44 +19288,51 @@
     * @param {boolean} preventUndo - Indicates whether or not this should be an undoable action
     * @returns {undefined}
     */
+
+
     this.setPaintOpacity = function (type, val, preventUndo) {
       curShape[type + '_opacity'] = val;
+
       if (!preventUndo) {
         changeSelectedAttribute(type + '-opacity', val);
       } else {
         changeSelectedAttributeNoUndo(type + '-opacity', val);
       }
     };
-
     /**
     * Gets the current fill/stroke opacity
     * @function module:svgcanvas.SvgCanvas#getPaintOpacity
     * @param {"fill"|"stroke"} type - String with "fill" or "stroke"
     * @returns {Float} Fill/stroke opacity
     */
+
+
     this.getPaintOpacity = function (type) {
       return type === 'fill' ? this.getFillOpacity() : this.getStrokeOpacity();
     };
-
     /**
     * Gets the `stdDeviation` blur value of the given element
     * @function module:svgcanvas.SvgCanvas#getBlur
     * @param {Element} elem - The element to check the blur value for
     * @returns {string} stdDeviation blur attribute value
     */
+
+
     this.getBlur = function (elem) {
-      var val = 0;
-      // const elem = selectedElements[0];
+      var val = 0; // const elem = selectedElements[0];
 
       if (elem) {
         var filterUrl = elem.getAttribute('filter');
+
         if (filterUrl) {
           var blur = getElem(elem.id + '_blur');
+
           if (blur) {
             val = blur.firstChild.getAttribute('stdDeviation');
           }
         }
       }
+
       return val;
     };
 
@@ -18117,18 +19340,19 @@
       var curCommand = null;
       var filter = null;
       var filterHidden = false;
-
       /**
       * Sets the `stdDeviation` blur value on the selected element without being undoable
       * @function module:svgcanvas.SvgCanvas#setBlurNoUndo
       * @param {Float} val - The new `stdDeviation` value
       * @returns {undefined}
       */
+
       canvas.setBlurNoUndo = function (val) {
         if (!filter) {
           canvas.setBlur(val);
           return;
         }
+
         if (val === 0) {
           // Don't change the StdDev, as that will hide the element.
           // Instead, just remove the value for "filter"
@@ -18136,14 +19360,17 @@
           filterHidden = true;
         } else {
           var elem = selectedElements[0];
+
           if (filterHidden) {
             changeSelectedAttributeNoUndo('filter', 'url(#' + elem.id + '_blur)');
           }
+
           if (isWebkit()) {
             console.log('e', elem);
             elem.removeAttribute('filter');
             elem.setAttribute('filter', 'url(#' + elem.id + '_blur)');
           }
+
           changeSelectedAttributeNoUndo('stdDeviation', val, [filter.firstChild]);
           canvas.setBlurOffsets(filter, val);
         }
@@ -18156,7 +19383,6 @@
         curCommand = null;
         filter = null;
       }
-
       /**
       * Sets the `x`, `y`, `width`, `height` values of the filter element in order to
       * make the blur not be clipped. Removes them if not neeeded
@@ -18165,6 +19391,8 @@
       * @param {Float} stdDev - The standard deviation value on which to base the offset size
       * @returns {undefined}
       */
+
+
       canvas.setBlurOffsets = function (filter, stdDev) {
         if (stdDev > 3) {
           // TODO: Create algorithm here where size is based on expected blur
@@ -18184,7 +19412,6 @@
           }
         }
       };
-
       /**
       * Adds/updates the blur filter to the selected element
       * @function module:svgcanvas.SvgCanvas#setBlur
@@ -18192,48 +19419,48 @@
       * @param {boolean} complete - Whether or not the action should be completed (to add to the undo manager)
       * @returns {undefined}
       */
+
+
       canvas.setBlur = function (val, complete) {
         if (curCommand) {
           finishChange();
           return;
-        }
+        } // Looks for associated blur, creates one if not found
+
 
-        // Looks for associated blur, creates one if not found
         var elem = selectedElements[0];
         var elemId = elem.id;
         filter = getElem(elemId + '_blur');
-
         val -= 0;
+        var batchCmd = new BatchCommand$1(); // Blur found!
 
-        var batchCmd = new BatchCommand$1();
-
-        // Blur found!
         if (filter) {
           if (val === 0) {
             filter = null;
           }
         } else {
           // Not found, so create
-          var newblur = addSVGElementFromJson({ element: 'feGaussianBlur',
+          var newblur = addSVGElementFromJson({
+            element: 'feGaussianBlur',
             attr: {
               in: 'SourceGraphic',
               stdDeviation: val
             }
           });
-
-          filter = addSVGElementFromJson({ element: 'filter',
+          filter = addSVGElementFromJson({
+            element: 'filter',
             attr: {
               id: elemId + '_blur'
             }
           });
-
           filter.append(newblur);
           findDefs().append(filter);
-
           batchCmd.addSubCommand(new InsertElementCommand$1(filter));
         }
 
-        var changes = { filter: elem.getAttribute('filter') };
+        var changes = {
+          filter: elem.getAttribute('filter')
+        };
 
         if (val === 0) {
           elem.removeAttribute('filter');
@@ -18244,162 +19471,185 @@
         changeSelectedAttribute('filter', 'url(#' + elemId + '_blur)');
         batchCmd.addSubCommand(new ChangeElementCommand$1(elem, changes));
         canvas.setBlurOffsets(filter, val);
-
         curCommand = batchCmd;
         canvas.undoMgr.beginUndoableChange('stdDeviation', [filter ? filter.firstChild : null]);
+
         if (complete) {
           canvas.setBlurNoUndo(val);
           finishChange();
         }
       };
     })();
-
     /**
     * Check whether selected element is bold or not
     * @function module:svgcanvas.SvgCanvas#getBold
     * @returns {boolean} Indicates whether or not element is bold
     */
+
+
     this.getBold = function () {
       // should only have one element selected
       var selected = selectedElements[0];
+
       if (selected != null && selected.tagName === 'text' && selectedElements[1] == null) {
         return selected.getAttribute('font-weight') === 'bold';
       }
+
       return false;
     };
-
     /**
     * Make the selected element bold or normal
     * @function module:svgcanvas.SvgCanvas#setBold
     * @param {boolean} b - Indicates bold (`true`) or normal (`false`)
     * @returns {undefined}
     */
+
+
     this.setBold = function (b) {
       var selected = selectedElements[0];
+
       if (selected != null && selected.tagName === 'text' && selectedElements[1] == null) {
         changeSelectedAttribute('font-weight', b ? 'bold' : 'normal');
       }
+
       if (!selectedElements[0].textContent) {
         textActions.setCursor();
       }
     };
-
     /**
     * Check whether selected element is italic or not
     * @function module:svgcanvas.SvgCanvas#getItalic
     * @returns {boolean} Indicates whether or not element is italic
     */
+
+
     this.getItalic = function () {
       var selected = selectedElements[0];
+
       if (selected != null && selected.tagName === 'text' && selectedElements[1] == null) {
         return selected.getAttribute('font-style') === 'italic';
       }
+
       return false;
     };
-
     /**
     * Make the selected element italic or normal
     * @function module:svgcanvas.SvgCanvas#setItalic
     * @param {boolean} b - Indicates italic (`true`) or normal (`false`)
     * @returns {undefined}
     */
+
+
     this.setItalic = function (i) {
       var selected = selectedElements[0];
+
       if (selected != null && selected.tagName === 'text' && selectedElements[1] == null) {
         changeSelectedAttribute('font-style', i ? 'italic' : 'normal');
       }
+
       if (!selectedElements[0].textContent) {
         textActions.setCursor();
       }
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getFontFamily
     * @returns {string} The current font family
     */
+
+
     this.getFontFamily = function () {
       return curText.font_family;
     };
-
     /**
     * Set the new font family
     * @function module:svgcanvas.SvgCanvas#setFontFamily
     * @param {string} val - String with the new font family
     * @returns {undefined}
     */
+
+
     this.setFontFamily = function (val) {
       curText.font_family = val;
       changeSelectedAttribute('font-family', val);
+
       if (selectedElements[0] && !selectedElements[0].textContent) {
         textActions.setCursor();
       }
     };
-
     /**
     * Set the new font color
     * @function module:svgcanvas.SvgCanvas#setFontColor
     * @param {string} val - String with the new font color
     * @returns {undefined}
     */
+
+
     this.setFontColor = function (val) {
       curText.fill = val;
       changeSelectedAttribute('fill', val);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getFontColor
     * @returns {string} The current font color
     */
+
+
     this.getFontColor = function () {
       return curText.fill;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getFontSize
     * @returns {Float} The current font size
     */
+
+
     this.getFontSize = function () {
       return curText.font_size;
     };
-
     /**
     * Applies the given font size to the selected element
     * @function module:svgcanvas.SvgCanvas#setFontSize
     * @param {Float} val - Float with the new font size
     * @returns {undefined}
     */
+
+
     this.setFontSize = function (val) {
       curText.font_size = val;
       changeSelectedAttribute('font-size', val);
+
       if (!selectedElements[0].textContent) {
         textActions.setCursor();
       }
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getText
     * @returns {string} The current text (`textContent`) of the selected element
     */
+
+
     this.getText = function () {
       var selected = selectedElements[0];
+
       if (selected == null) {
         return '';
       }
+
       return selected.textContent;
     };
-
     /**
     * Updates the text element with the given string
     * @function module:svgcanvas.SvgCanvas#setTextContent
     * @param {string} val - String with the new text
     * @returns {undefined}
     */
+
+
     this.setTextContent = function (val) {
       changeSelectedAttribute('#text', val);
       textActions.init(val);
       textActions.setCursor();
     };
-
     /**
     * Sets the new image URL for the selected image element. Updates its size if
     * a new URL is given
@@ -18408,59 +19658,59 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setImageURL = function (val) {
       var elem = selectedElements[0];
+
       if (!elem) {
         return;
       }
 
       var attrs = $$9(elem).attr(['width', 'height']);
       var setsize = !attrs.width || !attrs.height;
+      var curHref = getHref(elem); // Do nothing if no URL change or size change
 
-      var curHref = getHref(elem);
-
-      // Do nothing if no URL change or size change
       if (curHref === val && !setsize) {
         return;
       }
 
       var batchCmd = new BatchCommand$1('Change Image URL');
-
       setHref(elem, val);
       batchCmd.addSubCommand(new ChangeElementCommand$1(elem, {
         '#href': curHref
       }));
-
       $$9(new Image()).load(function () {
         var changes = $$9(elem).attr(['width', 'height']);
-
         $$9(elem).attr({
           width: this.width,
           height: this.height
         });
-
         selectorManager.requestSelector(elem).resize();
-
         batchCmd.addSubCommand(new ChangeElementCommand$1(elem, changes));
         addCommandToHistory(batchCmd);
         call('changed', [elem]);
       }).attr('src', val);
     };
-
     /**
     * Sets the new link URL for the selected anchor element.
     * @function module:svgcanvas.SvgCanvas#setLinkURL
     * @param {string} val - String with the link URL/path
     * @returns {undefined}
     */
+
+
     this.setLinkURL = function (val) {
       var elem = selectedElements[0];
+
       if (!elem) {
         return;
       }
+
       if (elem.tagName !== 'a') {
         // See if parent is an anchor
         var parentsA = $$9(elem).parents('a');
+
         if (parentsA.length) {
           elem = parentsA[0];
         } else {
@@ -18475,15 +19725,12 @@
       }
 
       var batchCmd = new BatchCommand$1('Change Link URL');
-
       setHref(elem, val);
       batchCmd.addSubCommand(new ChangeElementCommand$1(elem, {
         '#href': curHref
       }));
-
       addCommandToHistory(batchCmd);
     };
-
     /**
     * Sets the `rx` and `ry` values to the selected `rect` element to change its corner radius
     * @function module:svgcanvas.SvgCanvas#setRectRadius
@@ -18491,40 +19738,46 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setRectRadius = function (val) {
       var selected = selectedElements[0];
+
       if (selected != null && selected.tagName === 'rect') {
         var r = selected.getAttribute('rx');
+
         if (r !== String(val)) {
           selected.setAttribute('rx', val);
           selected.setAttribute('ry', val);
-          addCommandToHistory(new ChangeElementCommand$1(selected, { rx: r, ry: r }, 'Radius'));
+          addCommandToHistory(new ChangeElementCommand$1(selected, {
+            rx: r,
+            ry: r
+          }, 'Radius'));
           call('changed', [selected]);
         }
       }
     };
-
     /**
     * Wraps the selected element(s) in an anchor element or converts group to one
     * @function module:svgcanvas.SvgCanvas#makeHyperlink
     * @param {string} url
     * @returns {undefined}
     */
-    this.makeHyperlink = function (url) {
-      canvas.groupSelectedElements('a', url);
 
-      // TODO: If element is a single "g", convert to "a"
+
+    this.makeHyperlink = function (url) {
+      canvas.groupSelectedElements('a', url); // TODO: If element is a single "g", convert to "a"
       //  if (selectedElements.length > 1 && selectedElements[1]) {
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#removeHyperlink
     * @returns {undefined}
     */
+
+
     this.removeHyperlink = function () {
       canvas.ungroupSelectedElement();
     };
-
     /**
     * Group: Element manipulation
     */
@@ -18535,10 +19788,11 @@
     * @param {Integer} newType - New segment type. See {@link https://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSeg} for list
     * @returns {undefined}
     */
+
+
     this.setSegType = function (newType) {
       pathActions$$1.setSegType(newType);
     };
-
     /**
     * Convert selected element to a path, or get the BBox of an element-as-path
     * @function module:svgcanvas.SvgCanvas#convertToPath
@@ -18548,6 +19802,8 @@
     * @returns {undefined|DOMRect|false|SVGPathElement|null} If the getBBox flag is true, the resulting path's bounding box object.
     * Otherwise the resulting path element is returned.
     */
+
+
     this.convertToPath = function (elem, getBBox$$1) {
       if (elem == null) {
         var elems = selectedElements;
@@ -18558,11 +19814,13 @@
         });
         return;
       }
+
       if (getBBox$$1) {
         return getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions$$1);
-      }
-      // TODO: Why is this applying attributes from curShape, then inside utilities.convertToPath it's pulling addition attributes from elem?
+      } // TODO: Why is this applying attributes from curShape, then inside utilities.convertToPath it's pulling addition attributes from elem?
       // TODO: If convertToPath is called with one elem, curShape and elem are probably the same; but calling with multiple is a bug or cool feature.
+
+
       var attrs = {
         fill: curShape.fill,
         'fill-opacity': curShape.fill_opacity,
@@ -18577,7 +19835,6 @@
       };
       return convertToPath(elem, attrs, addSVGElementFromJson, pathActions$$1, clearSelection, addToSelection, history, addCommandToHistory);
     };
-
     /**
     * This function makes the changes to the elements. It does not add the change
     * to the history stack.
@@ -18586,11 +19843,14 @@
     * @param {Element[]} elems - The DOM elements to apply the change to
     * @returns {undefined}
     */
+
+
     var changeSelectedAttributeNoUndo = function changeSelectedAttributeNoUndo(attr, newValue, elems) {
       if (currentMode === 'pathedit') {
         // Editing node
         pathActions$$1.moveNode(attr, newValue);
       }
+
       elems = elems || selectedElements;
       var i = elems.length;
       var noXYElems = ['g', 'polyline', 'path'];
@@ -18598,36 +19858,38 @@
 
       var _loop = function _loop() {
         var elem = elems[i];
-        if (elem == null) {
-          return 'continue';
-        }
 
-        // Set x,y vals on elements that don't have them
+        if (elem == null) {
+          return "continue";
+        } // Set x,y vals on elements that don't have them
+
+
         if ((attr === 'x' || attr === 'y') && noXYElems.includes(elem.tagName)) {
           var bbox = getStrokedBBoxDefaultVisible([elem]);
           var diffX = attr === 'x' ? newValue - bbox.x : 0;
           var diffY = attr === 'y' ? newValue - bbox.y : 0;
           canvas.moveSelectedElements(diffX * currentZoom, diffY * currentZoom, true);
-          return 'continue';
-        }
-
-        // only allow the transform/opacity/filter attribute to change on <g> elements, slightly hacky
+          return "continue";
+        } // only allow the transform/opacity/filter attribute to change on <g> elements, slightly hacky
         // TODO: FIXME: This doesn't seem right. Where's the body of this if statement?
+
+
         if (elem.tagName === 'g' && goodGAttrs.includes(attr)) ;
+
         var oldval = attr === '#text' ? elem.textContent : elem.getAttribute(attr);
+
         if (oldval == null) {
           oldval = '';
         }
+
         if (oldval !== String(newValue)) {
           if (attr === '#text') {
             // const oldW = utilsGetBBox(elem).width;
-            elem.textContent = newValue;
+            elem.textContent = newValue; // FF bug occurs on on rotated elements
 
-            // FF bug occurs on on rotated elements
             if (/rotate/.test(elem.getAttribute('transform'))) {
               elem = ffClone(elem);
-            }
-            // Hoped to solve the issue of moving text with text-anchor="start",
+            } // Hoped to solve the issue of moving text with text-anchor="start",
             // but this doesn't actually fix it. Hopefully on the right track, though. -Fyrd
             // const box = getBBox(elem), left = box.x, top = box.y, {width, height} = box,
             //   dx = width - oldW, dy = 0;
@@ -18641,35 +19903,36 @@
             //   elem.setAttribute('x', elem.getAttribute('x') - dx);
             //   elem.setAttribute('y', elem.getAttribute('y') - dy);
             // }
+
           } else if (attr === '#href') {
             setHref(elem, newValue);
           } else {
             elem.setAttribute(attr, newValue);
-          }
-
-          // Go into "select" mode for text changes
+          } // Go into "select" mode for text changes
           // NOTE: Important that this happens AFTER elem.setAttribute() or else attributes like
           // font-size can get reset to their old value, ultimately by svgEditor.updateContextPanel(),
           // after calling textActions.toSelectMode() below
+
+
           if (currentMode === 'textedit' && attr !== '#text' && elem.textContent.length) {
             textActions.toSelectMode(elem);
-          }
-
-          // if (i === 0) {
+          } // if (i === 0) {
           //   selectedBBoxes[0] = utilsGetBBox(elem);
           // }
-
           // Use the Firefox ffClone hack for text elements with gradients or
           // where other text attributes are changed.
+
+
           if (isGecko() && elem.nodeName === 'text' && /rotate/.test(elem.getAttribute('transform'))) {
             if (String(newValue).startsWith('url') || ['font-size', 'font-family', 'x', 'y'].includes(attr) && elem.textContent) {
               elem = ffClone(elem);
             }
-          }
-          // Timeout needed for Opera & Firefox
+          } // Timeout needed for Opera & Firefox
           // codedread: it is now possible for this function to be called with elements
           // that are not in the selectedElements array, we need to only request a
           // selector if the element is in that array
+
+
           if (selectedElements.includes(elem)) {
             setTimeout(function () {
               // Due to element replacement, this element may no longer
@@ -18677,21 +19940,25 @@
               if (!elem.parentNode) {
                 return;
               }
+
               selectorManager.requestSelector(elem).resize();
             }, 0);
-          }
-          // if this element was rotated, and we changed the position of this element
+          } // if this element was rotated, and we changed the position of this element
           // we need to update the rotational transform attribute
+
+
           var angle = getRotationAngle(elem);
+
           if (angle !== 0 && attr !== 'transform') {
             var tlist = getTransformList(elem);
             var n = tlist.numberOfItems;
+
             while (n--) {
               var xform = tlist.getItem(n);
+
               if (xform.type === 4) {
                 // remove old rotate
                 tlist.removeItem(n);
-
                 var box = getBBox(elem);
                 var center = transformPoint(box.x + box.width / 2, box.y + box.height / 2, transformListToTransform(tlist).matrix);
                 var cx = center.x,
@@ -18704,15 +19971,16 @@
             }
           }
         } // if oldValue != newValue
+
       };
 
       while (i--) {
         var _ret2 = _loop();
 
-        if (_ret2 === 'continue') continue;
+        if (_ret2 === "continue") continue;
       } // for each elem
-    };
 
+    };
     /**
     * Change the given/selected element and add the original value to the history stack.
     * If you want to change all `selectedElements`, ignore the `elems` argument.
@@ -18724,19 +19992,19 @@
     * @param {Element[]} elems - The DOM elements to apply the change to
     * @returns {undefined}
     */
+
+
     var changeSelectedAttribute = this.changeSelectedAttribute = function (attr, val, elems) {
       elems = elems || selectedElements;
-      canvas.undoMgr.beginUndoableChange(attr, elems);
-      // const i = elems.length;
+      canvas.undoMgr.beginUndoableChange(attr, elems); // const i = elems.length;
 
       changeSelectedAttributeNoUndo(attr, val, elems);
-
       var batchCmd = canvas.undoMgr.finishUndoableChange();
+
       if (!batchCmd.isEmpty()) {
         addCommandToHistory(batchCmd);
       }
     };
-
     /**
     * Removes all selected elements from the DOM and adds the change to the
     * history stack
@@ -18744,6 +20012,8 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.deleteSelectedElements = function () {
       var batchCmd = new BatchCommand$1('Delete Elements');
       var len = selectedElements.length;
@@ -18751,20 +20021,18 @@
 
       for (var i = 0; i < len; ++i) {
         var selected = selectedElements[i];
+
         if (selected == null) {
           break;
         }
 
         var parent = selected.parentNode;
-        var t = selected;
+        var t = selected; // this will unselect the element and remove the selectedOutline
 
-        // this will unselect the element and remove the selectedOutline
-        selectorManager.releaseSelector(t);
+        selectorManager.releaseSelector(t); // Remove the path if present.
 
-        // Remove the path if present.
-        removePath_(t.id);
+        removePath_(t.id); // Get the parent if it's a single-child anchor
 
-        // Get the parent if it's a single-child anchor
         if (parent.tagName === 'a' && parent.childNodes.length === 1) {
           t = parent;
           parent = parent.parentNode;
@@ -18772,44 +20040,46 @@
 
         var _t = t,
             nextSibling = _t.nextSibling;
-
-        var _elem2 = parent.removeChild(t);
+        var elem = parent.removeChild(t);
         selectedCopy.push(selected); // for the copy
-        batchCmd.addSubCommand(new RemoveElementCommand$1(_elem2, nextSibling, parent));
+
+        batchCmd.addSubCommand(new RemoveElementCommand$1(elem, nextSibling, parent));
       }
+
       selectedElements = [];
 
       if (!batchCmd.isEmpty()) {
         addCommandToHistory(batchCmd);
       }
+
       call('changed', selectedCopy);
       clearSelection();
     };
-
     /**
     * Removes all selected elements from the DOM and adds the change to the
     * history stack. Remembers removed elements on the clipboard
     * @function module:svgcanvas.SvgCanvas#cutSelectedElements
     * @returns {undefined}
     */
+
+
     this.cutSelectedElements = function () {
       canvas.copySelectedElements();
       canvas.deleteSelectedElements();
     };
-
     /**
     * Remembers the current selected elements on the clipboard
     * @function module:svgcanvas.SvgCanvas#copySelectedElements
     * @returns {undefined}
     */
+
+
     this.copySelectedElements = function () {
       localStorage.setItem('svgedit_clipboard', JSON.stringify(selectedElements.map(function (x) {
         return getJsonFromSvgElement(x);
       })));
-
       $$9('#cmenu_canvas').enableContextMenuItems('#paste,#paste_in_place');
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#pasteElements
     * @param {"in_place"|"point"|undefined} type
@@ -18819,35 +20089,40 @@
     * @fires module:svgcanvas.SvgCanvas#event:ext-IDsUpdated
     * @returns {undefined}
     */
+
+
     this.pasteElements = function (type, x, y) {
       var clipb = JSON.parse(localStorage.getItem('svgedit_clipboard'));
       var len = clipb.length;
+
       if (!len) {
         return;
       }
 
       var pasted = [];
-      var batchCmd = new BatchCommand$1('Paste elements');
-      // const drawing = getCurrentDrawing();
+      var batchCmd = new BatchCommand$1('Paste elements'); // const drawing = getCurrentDrawing();
+
       /**
       * @typedef {PlainObject.<string, string>} module:svgcanvas.ChangedIDs
       */
+
       /**
        * @type {module:svgcanvas.ChangedIDs}
        */
-      var changedIDs = {};
 
-      // Recursively replace IDs and record the changes
+      var changedIDs = {}; // Recursively replace IDs and record the changes
+
       function checkIDs(elem) {
         if (elem.attr && elem.attr.id) {
           changedIDs[elem.attr.id] = getNextId();
           elem.attr.id = changedIDs[elem.attr.id];
         }
+
         if (elem.children) elem.children.forEach(checkIDs);
       }
-      clipb.forEach(checkIDs);
 
-      // Give extensions like the connector extension a chance to reflect new IDs and remove invalid elements
+      clipb.forEach(checkIDs); // Give extensions like the connector extension a chance to reflect new IDs and remove invalid elements
+
       /**
       * Triggered when `pasteElements` is called from a paste action (context menu or key)
       * @event module:svgcanvas.SvgCanvas#event:ext-IDsUpdated
@@ -18855,37 +20130,38 @@
       * @property {module:svgcanvas.SVGAsJSON[]} elems
       * @property {module:svgcanvas.ChangedIDs} changes Maps past ID (on attribute) to current ID
       */
+
       runExtensions('IDsUpdated',
       /** @type {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} */
-      { elems: clipb, changes: changedIDs }, true).forEach(function (extChanges) {
+      {
+        elems: clipb,
+        changes: changedIDs
+      }, true).forEach(function (extChanges) {
         if (!extChanges || !('remove' in extChanges)) return;
-
         extChanges.remove.forEach(function (removeID) {
           clipb = clipb.filter(function (clipBoardItem) {
             return clipBoardItem.attr.id !== removeID;
           });
         });
-      });
+      }); // Move elements to lastClickPoint
 
-      // Move elements to lastClickPoint
       while (len--) {
-        var _elem3 = clipb[len];
-        if (!_elem3) {
+        var elem = clipb[len];
+
+        if (!elem) {
           continue;
         }
 
-        var copy = addSVGElementFromJson(_elem3);
+        var copy = addSVGElementFromJson(elem);
         pasted.push(copy);
         batchCmd.addSubCommand(new InsertElementCommand$1(copy));
-
         restoreRefElems(copy);
       }
 
       selectOnly(pasted);
 
       if (type !== 'in_place') {
-        var ctrX = void 0,
-            ctrY = void 0;
+        var ctrX, ctrY;
 
         if (!type) {
           ctrX = lastClickPoint.x;
@@ -18900,12 +20176,10 @@
             cy = ctrY - (bbox.y + bbox.height / 2),
             dx = [],
             dy = [];
-
         $$9.each(pasted, function (i, item) {
           dx.push(cx);
           dy.push(cy);
         });
-
         var cmd = canvas.moveSelectedElements(dx, dy, false);
         if (cmd) batchCmd.addSubCommand(cmd);
       }
@@ -18913,7 +20187,6 @@
       addCommandToHistory(batchCmd);
       call('changed', pasted);
     };
-
     /**
     * Wraps all the selected elements in a group (`g`) element
     * @function module:svgcanvas.SvgCanvas#groupSelectedElements
@@ -18921,12 +20194,15 @@
     * @param {string} [urlArg]
     * @returns {undefined}
     */
+
+
     this.groupSelectedElements = function (type, urlArg) {
       if (!type) {
         type = 'g';
       }
+
       var cmdStr = '';
-      var url = void 0;
+      var url;
 
       switch (type) {
         case 'a':
@@ -18934,7 +20210,9 @@
             cmdStr = 'Make hyperlink';
             url = urlArg || '';
             break;
-          }default:
+          }
+
+        default:
           {
             type = 'g';
             cmdStr = 'Group Elements';
@@ -18942,45 +20220,47 @@
           }
       }
 
-      var batchCmd = new BatchCommand$1(cmdStr);
+      var batchCmd = new BatchCommand$1(cmdStr); // create and insert the group element
 
-      // create and insert the group element
       var g = addSVGElementFromJson({
         element: type,
         attr: {
           id: getNextId()
         }
       });
+
       if (type === 'a') {
         setHref(g, url);
       }
-      batchCmd.addSubCommand(new InsertElementCommand$1(g));
 
-      // now move all children into the group
+      batchCmd.addSubCommand(new InsertElementCommand$1(g)); // now move all children into the group
+
       var i = selectedElements.length;
+
       while (i--) {
-        var _elem4 = selectedElements[i];
-        if (_elem4 == null) {
+        var elem = selectedElements[i];
+
+        if (elem == null) {
           continue;
         }
 
-        if (_elem4.parentNode.tagName === 'a' && _elem4.parentNode.childNodes.length === 1) {
-          _elem4 = _elem4.parentNode;
+        if (elem.parentNode.tagName === 'a' && elem.parentNode.childNodes.length === 1) {
+          elem = elem.parentNode;
         }
 
-        var oldNextSibling = _elem4.nextSibling;
-        var oldParent = _elem4.parentNode;
-        g.append(_elem4);
-        batchCmd.addSubCommand(new MoveElementCommand$1(_elem4, oldNextSibling, oldParent));
+        var oldNextSibling = elem.nextSibling;
+        var oldParent = elem.parentNode;
+        g.append(elem);
+        batchCmd.addSubCommand(new MoveElementCommand$1(elem, oldNextSibling, oldParent));
       }
+
       if (!batchCmd.isEmpty()) {
         addCommandToHistory(batchCmd);
-      }
+      } // update selection
+
 
-      // update selection
       selectOnly([g], true);
     };
-
     /**
     * Pushes all appropriate parent group properties down to its children, then
     * removes them from the group
@@ -18989,17 +20269,15 @@
     * @param {boolean} undoable
     * @returns {undefined}
     */
+
+
     var pushGroupProperties = this.pushGroupProperties = function (g, undoable) {
       var children = g.childNodes;
       var len = children.length;
       var xform = g.getAttribute('transform');
-
       var glist = getTransformList(g);
       var m = transformListToTransform(glist).matrix;
-
-      var batchCmd = new BatchCommand$1('Push group properties');
-
-      // TODO: get all fill/stroke properties from the group that we are about to destroy
+      var batchCmd = new BatchCommand$1('Push group properties'); // TODO: get all fill/stroke properties from the group that we are about to destroy
       // "fill", "fill-opacity", "fill-rule", "stroke", "stroke-dasharray", "stroke-dashoffset",
       // "stroke-linecap", "stroke-linejoin", "stroke-miterlimit", "stroke-opacity",
       // "stroke-width"
@@ -19007,40 +20285,39 @@
       // then set the child's attribute
 
       var gangle = getRotationAngle(g);
-
       var gattrs = $$9(g).attr(['filter', 'opacity']);
-      var gfilter = void 0,
-          gblur = void 0,
-          changes = void 0;
+      var gfilter, gblur, changes;
       var drawing = getCurrentDrawing();
 
       for (var i = 0; i < len; i++) {
-        var _elem5 = children[i];
+        var elem = children[i];
 
-        if (_elem5.nodeType !== 1) {
+        if (elem.nodeType !== 1) {
           continue;
         }
 
         if (gattrs.opacity !== null && gattrs.opacity !== 1) {
           // const c_opac = elem.getAttribute('opacity') || 1;
-          var newOpac = Math.round((_elem5.getAttribute('opacity') || 1) * gattrs.opacity * 100) / 100;
-          changeSelectedAttribute('opacity', newOpac, [_elem5]);
+          var newOpac = Math.round((elem.getAttribute('opacity') || 1) * gattrs.opacity * 100) / 100;
+          changeSelectedAttribute('opacity', newOpac, [elem]);
         }
 
         if (gattrs.filter) {
-          var cblur = this.getBlur(_elem5);
+          var cblur = this.getBlur(elem);
           var origCblur = cblur;
+
           if (!gblur) {
             gblur = this.getBlur(g);
           }
+
           if (cblur) {
             // Is this formula correct?
             cblur = Number(gblur) + Number(cblur);
           } else if (cblur === 0) {
             cblur = gblur;
-          }
+          } // If child has no current filter, get group's filter or clone it.
+
 
-          // If child has no current filter, get group's filter or clone it.
           if (!origCblur) {
             // Set group's filter to use first child's ID
             if (!gfilter) {
@@ -19051,35 +20328,33 @@
               findDefs().append(gfilter);
             }
           } else {
-            gfilter = getRefElem(_elem5.getAttribute('filter'));
-          }
+            gfilter = getRefElem(elem.getAttribute('filter'));
+          } // Change this in future for different filters
+
 
-          // Change this in future for different filters
           var suffix = gfilter.firstChild.tagName === 'feGaussianBlur' ? 'blur' : 'filter';
-          gfilter.id = _elem5.id + '_' + suffix;
-          changeSelectedAttribute('filter', 'url(#' + gfilter.id + ')', [_elem5]);
+          gfilter.id = elem.id + '_' + suffix;
+          changeSelectedAttribute('filter', 'url(#' + gfilter.id + ')', [elem]); // Update blur value
 
-          // Update blur value
           if (cblur) {
             changeSelectedAttribute('stdDeviation', cblur, [gfilter.firstChild]);
             canvas.setBlurOffsets(gfilter, cblur);
           }
         }
 
-        var chtlist = getTransformList(_elem5);
+        var chtlist = getTransformList(elem); // Don't process gradient transforms
 
-        // Don't process gradient transforms
-        if (_elem5.tagName.includes('Gradient')) {
+        if (elem.tagName.includes('Gradient')) {
           chtlist = null;
-        }
+        } // Hopefully not a problem to add this. Necessary for elements like <desc/>
+
 
-        // Hopefully not a problem to add this. Necessary for elements like <desc/>
         if (!chtlist) {
           continue;
-        }
+        } // Apparently <defs> can get get a transformlist, but we don't want it to have one!
 
-        // Apparently <defs> can get get a transformlist, but we don't want it to have one!
-        if (_elem5.tagName === 'defs') {
+
+        if (elem.tagName === 'defs') {
           continue;
         }
 
@@ -19094,35 +20369,29 @@
             // sum of the group and child's rotation angles
             //  - [Tr] is the equivalent translation that this child
             // undergoes if the group wasn't there
-
             // [Tr] = [Rg] [Rc] [Rc2_inv]
-
             // get group's rotation matrix (Rg)
-            var rgm = glist.getItem(0).matrix;
+            var rgm = glist.getItem(0).matrix; // get child's rotation matrix (Rc)
 
-            // get child's rotation matrix (Rc)
             var rcm = svgroot.createSVGMatrix();
-            var cangle = getRotationAngle(_elem5);
+            var cangle = getRotationAngle(elem);
+
             if (cangle) {
               rcm = chtlist.getItem(0).matrix;
-            }
+            } // get child's old center of rotation
 
-            // get child's old center of rotation
-            var cbox = getBBox(_elem5);
+
+            var cbox = getBBox(elem);
             var ceqm = transformListToTransform(chtlist).matrix;
-            var coldc = transformPoint(cbox.x + cbox.width / 2, cbox.y + cbox.height / 2, ceqm);
+            var coldc = transformPoint(cbox.x + cbox.width / 2, cbox.y + cbox.height / 2, ceqm); // sum group and child's angles
 
-            // sum group and child's angles
-            var sangle = gangle + cangle;
+            var sangle = gangle + cangle; // get child's rotation at the old center (Rc2_inv)
 
-            // get child's rotation at the old center (Rc2_inv)
             var r2 = svgroot.createSVGTransform();
-            r2.setRotate(sangle, coldc.x, coldc.y);
+            r2.setRotate(sangle, coldc.x, coldc.y); // calculate equivalent translate
 
-            // calculate equivalent translate
-            var trm = matrixMultiply(rgm, rcm, r2.matrix.inverse());
+            var trm = matrixMultiply(rgm, rcm, r2.matrix.inverse()); // set up tlist
 
-            // set up tlist
             if (cangle) {
               chtlist.removeItem(0);
             }
@@ -19138,6 +20407,7 @@
             if (trm.e || trm.f) {
               var tr = svgroot.createSVGTransform();
               tr.setTranslate(trm.e, trm.f);
+
               if (chtlist.numberOfItems) {
                 chtlist.insertItemBefore(tr, 0);
               } else {
@@ -19148,28 +20418,28 @@
             // more complicated than just a rotate
             // transfer the group's transform down to each child and then
             // call recalculateDimensions()
-            var oldxform = _elem5.getAttribute('transform');
+            var oldxform = elem.getAttribute('transform');
             changes = {};
             changes.transform = oldxform || '';
-
-            var newxform = svgroot.createSVGTransform();
-
-            // [ gm ] [ chm ] = [ chm ] [ gm' ]
+            var newxform = svgroot.createSVGTransform(); // [ gm ] [ chm ] = [ chm ] [ gm' ]
             // [ gm' ] = [ chmInv ] [ gm ] [ chm ]
+
             var chm = transformListToTransform(chtlist).matrix,
                 chmInv = chm.inverse();
             var gm = matrixMultiply(chmInv, m, chm);
             newxform.setMatrix(gm);
             chtlist.appendItem(newxform);
           }
-          var cmd = recalculateDimensions(_elem5);
+
+          var cmd = recalculateDimensions(elem);
+
           if (cmd) {
             batchCmd.addSubCommand(cmd);
           }
         }
-      }
+      } // remove transform and make it undo-able
+
 
-      // remove transform and make it undo-able
       if (xform) {
         changes = {};
         changes.transform = xform;
@@ -19182,23 +20452,27 @@
         return batchCmd;
       }
     };
-
     /**
     * Unwraps all the elements in a selected group (`g`) element. This requires
     * significant recalculations to apply group's transforms, etc. to its children
     * @function module:svgcanvas.SvgCanvas#ungroupSelectedElement
     * @returns {undefined}
     */
+
+
     this.ungroupSelectedElement = function () {
       var g = selectedElements[0];
+
       if (!g) {
         return;
       }
+
       if ($$9(g).data('gsvg') || $$9(g).data('symbol')) {
         // Is svg, so actually convert to group
         convertToGroup(g);
         return;
       }
+
       if (g.tagName === 'use') {
         // Somehow doesn't have data set, so retrieve
         var symbol = getElem(getHref(g).substr(1));
@@ -19206,15 +20480,18 @@
         convertToGroup(g);
         return;
       }
+
       var parentsA = $$9(g).parents('a');
+
       if (parentsA.length) {
         g = parentsA[0];
-      }
+      } // Look for parent "a"
+
 
-      // Look for parent "a"
       if (g.tagName === 'g' || g.tagName === 'a') {
         var batchCmd = new BatchCommand$1('Ungroup Elements');
         var cmd = pushGroupProperties(g, true);
+
         if (cmd) {
           batchCmd.addSubCommand(cmd);
         }
@@ -19222,44 +20499,40 @@
         var parent = g.parentNode;
         var anchor = g.nextSibling;
         var children = new Array(g.childNodes.length);
-
         var i = 0;
+
         while (g.firstChild) {
-          var _elem6 = g.firstChild;
-          var oldNextSibling = _elem6.nextSibling;
-          var oldParent = _elem6.parentNode;
+          var elem = g.firstChild;
+          var oldNextSibling = elem.nextSibling;
+          var oldParent = elem.parentNode; // Remove child title elements
 
-          // Remove child title elements
-          if (_elem6.tagName === 'title') {
-            var _elem7 = _elem6,
-                nextSibling = _elem7.nextSibling;
-
-            batchCmd.addSubCommand(new RemoveElementCommand$1(_elem6, nextSibling, oldParent));
-            _elem6.remove();
+          if (elem.tagName === 'title') {
+            var _elem2 = elem,
+                nextSibling = _elem2.nextSibling;
+            batchCmd.addSubCommand(new RemoveElementCommand$1(elem, nextSibling, oldParent));
+            elem.remove();
             continue;
           }
 
-          children[i++] = _elem6 = parent.insertBefore(_elem6, anchor);
-          batchCmd.addSubCommand(new MoveElementCommand$1(_elem6, oldNextSibling, oldParent));
-        }
+          children[i++] = elem = parent.insertBefore(elem, anchor);
+          batchCmd.addSubCommand(new MoveElementCommand$1(elem, oldNextSibling, oldParent));
+        } // remove the group from the selection
 
-        // remove the group from the selection
-        clearSelection();
 
-        // delete the group element (but make undo-able)
+        clearSelection(); // delete the group element (but make undo-able)
+
         var gNextSibling = g.nextSibling;
         g = parent.removeChild(g);
         batchCmd.addSubCommand(new RemoveElementCommand$1(g, gNextSibling, parent));
 
         if (!batchCmd.isEmpty()) {
           addCommandToHistory(batchCmd);
-        }
+        } // update selection
+
 
-        // update selection
         addToSelection(children);
       }
     };
-
     /**
     * Repositions the selected element to the bottom in the DOM to appear on top of
     * other elements
@@ -19267,25 +20540,26 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.moveToTopSelectedElement = function () {
       var _selectedElements = selectedElements,
-          _selectedElements2 = slicedToArray(_selectedElements, 1),
+          _selectedElements2 = _slicedToArray(_selectedElements, 1),
           selected = _selectedElements2[0];
 
       if (selected != null) {
         var t = selected;
         var oldParent = t.parentNode;
         var oldNextSibling = t.nextSibling;
-        t = t.parentNode.appendChild(t);
-        // If the element actually moved position, add the command and fire the changed
+        t = t.parentNode.appendChild(t); // If the element actually moved position, add the command and fire the changed
         // event handler.
+
         if (oldNextSibling !== t.nextSibling) {
           addCommandToHistory(new MoveElementCommand$1(t, oldNextSibling, oldParent, 'top'));
           call('changed', [t]);
         }
       }
     };
-
     /**
     * Repositions the selected element to the top in the DOM to appear under
     * other elements
@@ -19293,9 +20567,11 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.moveToBottomSelectedElement = function () {
       var _selectedElements3 = selectedElements,
-          _selectedElements4 = slicedToArray(_selectedElements3, 1),
+          _selectedElements4 = _slicedToArray(_selectedElements3, 1),
           selected = _selectedElements4[0];
 
       if (selected != null) {
@@ -19306,22 +20582,23 @@
 
         if (firstChild.tagName === 'title') {
           firstChild = firstChild.nextSibling;
-        }
-        // This can probably be removed, as the defs should not ever apppear
+        } // This can probably be removed, as the defs should not ever apppear
         // inside a layer group
+
+
         if (firstChild.tagName === 'defs') {
           firstChild = firstChild.nextSibling;
         }
-        t = t.parentNode.insertBefore(t, firstChild);
-        // If the element actually moved position, add the command and fire the changed
+
+        t = t.parentNode.insertBefore(t, firstChild); // If the element actually moved position, add the command and fire the changed
         // event handler.
+
         if (oldNextSibling !== t.nextSibling) {
           addCommandToHistory(new MoveElementCommand$1(t, oldNextSibling, oldParent, 'bottom'));
           call('changed', [t]);
         }
       }
     };
-
     /**
     * Moves the select element up or down the stack, based on the visibly
     * intersecting elements
@@ -19330,17 +20607,20 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.moveUpDownSelected = function (dir) {
       var selected = selectedElements[0];
+
       if (!selected) {
         return;
       }
 
       curBBoxes = [];
-      var closest = void 0,
-          foundCur = void 0;
-      // jQuery sorts this list
+      var closest, foundCur; // jQuery sorts this list
+
       var list = $$9(getIntersectionList(getStrokedBBoxDefaultVisible([selected]))).toArray();
+
       if (dir === 'Down') {
         list.reverse();
       }
@@ -19350,11 +20630,14 @@
           if (this === selected) {
             foundCur = true;
           }
+
           return;
         }
+
         closest = this;
         return false;
       });
+
       if (!closest) {
         return;
       }
@@ -19362,15 +20645,14 @@
       var t = selected;
       var oldParent = t.parentNode;
       var oldNextSibling = t.nextSibling;
-      $$9(closest)[dir === 'Down' ? 'before' : 'after'](t);
-      // If the element actually moved position, add the command and fire the changed
+      $$9(closest)[dir === 'Down' ? 'before' : 'after'](t); // If the element actually moved position, add the command and fire the changed
       // event handler.
+
       if (oldNextSibling !== t.nextSibling) {
         addCommandToHistory(new MoveElementCommand$1(t, oldNextSibling, oldParent, 'Move ' + dir));
         call('changed', [t]);
       }
     };
-
     /**
     * Moves selected elements on the X/Y axis
     * @function module:svgcanvas.SvgCanvas#moveSelectedElements
@@ -19380,6 +20662,8 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {BatchCommand} Batch command for the move
     */
+
+
     this.moveSelectedElements = function (dx, dy, undoable) {
       // if undoable is not sent, default to true
       // if single values, scale them to the zoom
@@ -19387,11 +20671,14 @@
         dx /= currentZoom;
         dy /= currentZoom;
       }
+
       undoable = undoable || true;
       var batchCmd = new BatchCommand$1('position');
       var i = selectedElements.length;
+
       while (i--) {
         var selected = selectedElements[i];
+
         if (selected != null) {
           // if (i === 0) {
           //   selectedBBoxes[0] = utilsGetBBox(selected);
@@ -19399,11 +20686,9 @@
           // const b = {};
           // for (const j in selectedBBoxes[i]) b[j] = selectedBBoxes[i][j];
           // selectedBBoxes[i] = b;
-
           var xform = svgroot.createSVGTransform();
-          var tlist = getTransformList(selected);
+          var tlist = getTransformList(selected); // dx and dy could be arrays
 
-          // dx and dy could be arrays
           if (dx.constructor === Array) {
             // if (i === 0) {
             //   selectedBBoxes[0].x += dx[0];
@@ -19425,6 +20710,7 @@
           }
 
           var cmd = recalculateDimensions(selected);
+
           if (cmd) {
             batchCmd.addSubCommand(cmd);
           }
@@ -19432,15 +20718,16 @@
           selectorManager.requestSelector(selected).resize();
         }
       }
+
       if (!batchCmd.isEmpty()) {
         if (undoable) {
           addCommandToHistory(batchCmd);
         }
+
         call('changed', selectedElements);
         return batchCmd;
       }
     };
-
     /**
     * Create deep DOM copies (clones) of all selected elements and move them slightly
     * from their originals
@@ -19449,29 +20736,36 @@
     * @param {Float} y Float with the distance to move on the y-axis
     * @returns {undefined}
     */
+
+
     this.cloneSelectedElements = function (x, y) {
-      var i = void 0,
-          elem = void 0;
-      var batchCmd = new BatchCommand$1('Clone Elements');
-      // find all the elements selected (stop at first null)
+      var i, elem;
+      var batchCmd = new BatchCommand$1('Clone Elements'); // find all the elements selected (stop at first null)
+
       var len = selectedElements.length;
+
       function sortfunction(a, b) {
         return $$9(b).index() - $$9(a).index(); // causes an array to be sorted numerically and ascending
       }
+
       selectedElements.sort(sortfunction);
+
       for (i = 0; i < len; ++i) {
         elem = selectedElements[i];
+
         if (elem == null) {
           break;
         }
-      }
-      // use slice to quickly get the subset of elements we need
+      } // use slice to quickly get the subset of elements we need
+
+
       var copiedElements = selectedElements.slice(0, i);
-      this.clearSelection(true);
-      // note that we loop in the reverse way because of the way elements are added
+      this.clearSelection(true); // note that we loop in the reverse way because of the way elements are added
       // to the selectedElements array (top-first)
+
       var drawing = getCurrentDrawing();
       i = copiedElements.length;
+
       while (i--) {
         // clone each element and replace it within copiedElements
         elem = copiedElements[i] = drawing.copyElem(copiedElements[i]);
@@ -19481,11 +20775,11 @@
 
       if (!batchCmd.isEmpty()) {
         addToSelection(copiedElements.reverse()); // Need to reverse for correct selection-adding
+
         this.moveSelectedElements(x, y, false);
         addCommandToHistory(batchCmd);
       }
     };
-
     /**
     * Aligns selected elements
     * @function module:svgcanvas.SvgCanvas#alignSelectedElements
@@ -19493,26 +20787,32 @@
     * @param {"selected"|"largest"|"smallest"|"page"} relativeTo
     * @returns {undefined}
     */
+
+
     this.alignSelectedElements = function (type, relativeTo) {
       var bboxes = []; // angles = [];
+
       var len = selectedElements.length;
+
       if (!len) {
         return;
       }
+
       var minx = Number.MAX_VALUE,
           maxx = Number.MIN_VALUE,
           miny = Number.MAX_VALUE,
           maxy = Number.MIN_VALUE;
       var curwidth = Number.MIN_VALUE,
           curheight = Number.MIN_VALUE;
+
       for (var i = 0; i < len; ++i) {
         if (selectedElements[i] == null) {
           break;
         }
-        var _elem8 = selectedElements[i];
-        bboxes[i] = getStrokedBBoxDefaultVisible([_elem8]);
 
-        // now bbox is axis-aligned and handles rotation
+        var elem = selectedElements[i];
+        bboxes[i] = getStrokedBBoxDefaultVisible([elem]); // now bbox is axis-aligned and handles rotation
+
         switch (relativeTo) {
           case 'smallest':
             if ((type === 'l' || type === 'c' || type === 'r') && (curwidth === Number.MIN_VALUE || curwidth > bboxes[i].width) || (type === 't' || type === 'm' || type === 'b') && (curheight === Number.MIN_VALUE || curheight > bboxes[i].height)) {
@@ -19523,7 +20823,9 @@
               curwidth = bboxes[i].width;
               curheight = bboxes[i].height;
             }
+
             break;
+
           case 'largest':
             if ((type === 'l' || type === 'c' || type === 'r') && (curwidth === Number.MIN_VALUE || curwidth < bboxes[i].width) || (type === 't' || type === 'm' || type === 'b') && (curheight === Number.MIN_VALUE || curheight < bboxes[i].height)) {
               minx = bboxes[i].x;
@@ -19533,25 +20835,32 @@
               curwidth = bboxes[i].width;
               curheight = bboxes[i].height;
             }
+
             break;
+
           default:
             // 'selected'
             if (bboxes[i].x < minx) {
               minx = bboxes[i].x;
             }
+
             if (bboxes[i].y < miny) {
               miny = bboxes[i].y;
             }
+
             if (bboxes[i].x + bboxes[i].width > maxx) {
               maxx = bboxes[i].x + bboxes[i].width;
             }
+
             if (bboxes[i].y + bboxes[i].height > maxy) {
               maxy = bboxes[i].y + bboxes[i].height;
             }
+
             break;
         }
       } // loop for each element to find the bbox and adjust min/max
 
+
       if (relativeTo === 'page') {
         minx = 0;
         miny = 0;
@@ -19561,44 +20870,52 @@
 
       var dx = new Array(len);
       var dy = new Array(len);
+
       for (var _i2 = 0; _i2 < len; ++_i2) {
         if (selectedElements[_i2] == null) {
           break;
-        }
-        // const elem = selectedElements[i];
+        } // const elem = selectedElements[i];
+
+
         var bbox = bboxes[_i2];
         dx[_i2] = 0;
         dy[_i2] = 0;
+
         switch (type) {
           case 'l':
             // left (horizontal)
             dx[_i2] = minx - bbox.x;
             break;
+
           case 'c':
             // center (horizontal)
             dx[_i2] = (minx + maxx) / 2 - (bbox.x + bbox.width / 2);
             break;
+
           case 'r':
             // right (horizontal)
             dx[_i2] = maxx - (bbox.x + bbox.width);
             break;
+
           case 't':
             // top (vertical)
             dy[_i2] = miny - bbox.y;
             break;
+
           case 'm':
             // middle (vertical)
             dy[_i2] = (miny + maxy) / 2 - (bbox.y + bbox.height / 2);
             break;
+
           case 'b':
             // bottom (vertical)
             dy[_i2] = maxy - (bbox.y + bbox.height);
             break;
         }
       }
+
       this.moveSelectedElements(dx, dy);
     };
-
     /**
     * Group: Additional editor tools
     */
@@ -19607,13 +20924,15 @@
     * @name module:svgcanvas.SvgCanvas#contentW
     * @type {Float}
     */
+
+
     this.contentW = getResolution().w;
     /**
     * @name module:svgcanvas.SvgCanvas#contentH
     * @type {Float}
     */
-    this.contentH = getResolution().h;
 
+    this.contentH = getResolution().h;
     /**
     * @typedef {PlainObject} module:svgcanvas.CanvasInfo
     * @property {Float} x - The canvas' new x coordinate
@@ -19632,6 +20951,7 @@
     * @fires module:svgcanvas.SvgCanvas#event:ext-canvasUpdated
     * @returns {module:svgcanvas.CanvasInfo}
     */
+
     this.updateCanvas = function (w, h) {
       svgroot.setAttribute('width', w);
       svgroot.setAttribute('height', h);
@@ -19640,7 +20960,6 @@
       var oldY = svgcontent.getAttribute('y');
       var x = w / 2 - this.contentW * currentZoom / 2;
       var y = h / 2 - this.contentH * currentZoom / 2;
-
       assignAttributes(svgcontent, {
         width: this.contentW * currentZoom,
         height: this.contentH * currentZoom,
@@ -19648,15 +20967,14 @@
         y: y,
         viewBox: '0 0 ' + this.contentW + ' ' + this.contentH
       });
-
       assignAttributes(bg, {
         width: svgcontent.getAttribute('width'),
         height: svgcontent.getAttribute('height'),
         x: x,
         y: y
       });
-
       var bgImg = getElem('background_image');
+
       if (bgImg) {
         assignAttributes(bgImg, {
           width: '100%',
@@ -19676,14 +20994,28 @@
       * @property {Integer} d_x
       * @property {Integer} d_y
       */
+
       runExtensions('canvasUpdated',
       /**
        * @type {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated}
        */
-      { new_x: x, new_y: y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY });
-      return { x: x, y: y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY };
+      {
+        new_x: x,
+        new_y: y,
+        old_x: oldX,
+        old_y: oldY,
+        d_x: x - oldX,
+        d_y: y - oldY
+      });
+      return {
+        x: x,
+        y: y,
+        old_x: oldX,
+        old_y: oldY,
+        d_x: x - oldX,
+        d_y: y - oldY
+      };
     };
-
     /**
     * Set the background of the editor (NOT the actual document)
     * @function module:svgcanvas.SvgCanvas#setBackground
@@ -19691,11 +21023,14 @@
     * @param {string} url - URL or path to image to use
     * @returns {undefined}
     */
+
+
     this.setBackground = function (color, url) {
       var bg = getElem('canvasBackground');
       var border = $$9(bg).find('rect')[0];
       var bgImg = getElem('background_image');
       border.setAttribute('fill', color);
+
       if (url) {
         if (!bgImg) {
           bgImg = svgdoc.createElementNS(NS.SVG, 'image');
@@ -19707,13 +21042,13 @@
             style: 'pointer-events:none'
           });
         }
+
         setHref(bgImg, url);
         bg.append(bgImg);
       } else if (bgImg) {
         bgImg.remove();
       }
     };
-
     /**
     * Select the next/previous element within the current layer
     * @function module:svgcanvas.SvgCanvas#cycleElement
@@ -19721,38 +21056,45 @@
     * @fires module:svgcanvas.SvgCanvas#event:selected
     * @returns {undefined}
     */
+
+
     this.cycleElement = function (next) {
-      var num = void 0;
+      var num;
       var curElem = selectedElements[0];
       var elem = false;
       var allElems = getVisibleElements(currentGroup || getCurrentDrawing().getCurrentLayer());
+
       if (!allElems.length) {
         return;
       }
+
       if (curElem == null) {
         num = next ? allElems.length - 1 : 0;
         elem = allElems[num];
       } else {
         var i = allElems.length;
+
         while (i--) {
           if (allElems[i] === curElem) {
             num = next ? i - 1 : i + 1;
+
             if (num >= allElems.length) {
               num = 0;
             } else if (num < 0) {
               num = allElems.length - 1;
             }
+
             elem = allElems[num];
             break;
           }
         }
       }
+
       selectOnly([elem], true);
       call('selected', selectedElements);
     };
 
     this.clear();
-
     /**
     * @interface module:svgcanvas.PrivateMethods
     * @type {PlainObject}
@@ -19782,6 +21124,7 @@
     * @property {module:math.transformPoint} transformPoint
     * @property {module:utilities.walkTree} walkTree
     */
+
     /**
     * @deprecated getPrivateMethods
     * Since all methods are/should be public somehow, this function should be removed;
@@ -19794,6 +21137,7 @@
     * @function module:svgcanvas.SvgCanvas#getPrivateMethods
     * @returns {module:svgcanvas.PrivateMethods}
     */
+
     this.getPrivateMethods = function () {
       var obj = {
         addCommandToHistory: addCommandToHistory,
@@ -19831,6 +21175,7 @@
   ; // End class
 
   // Todo: Update: https://github.com/jeresig/jquery.hotkeys
+
   /*
    * jQuery Hotkeys Plugin
    * Copyright 2010, John Resig
@@ -19844,42 +21189,145 @@
    * Original idea by:
    * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/
   */
-
   function jqPluginJSHotkeys (b) {
-    b.hotkeys = { version: "0.8", specialKeys: { 8: "backspace", 9: "tab", 13: "return", 16: "shift", 17: "ctrl", 18: "alt", 19: "pause", 20: "capslock", 27: "esc", 32: "space", 33: "pageup", 34: "pagedown", 35: "end", 36: "home", 37: "left", 38: "up", 39: "right", 40: "down", 45: "insert", 46: "del", 96: "0", 97: "1", 98: "2", 99: "3", 100: "4", 101: "5", 102: "6", 103: "7", 104: "8", 105: "9", 106: "*", 107: "+", 109: "-", 110: ".", 111: "/", 112: "f1", 113: "f2", 114: "f3", 115: "f4", 116: "f5", 117: "f6", 118: "f7", 119: "f8", 120: "f9", 121: "f10", 122: "f11", 123: "f12", 144: "numlock", 145: "scroll", 191: "/", 224: "meta", 219: "[", 221: "]" }, shiftNums: { "`": "~", "1": "!", "2": "@", "3": "#", "4": "$", "5": "%", "6": "^", "7": "&", "8": "*", "9": "(", "0": ")", "-": "_", "=": "+", ";": ": ", "'": '"', ",": "<", ".": ">", "/": "?", "\\": "|" } };function a(d) {
+    b.hotkeys = {
+      version: "0.8",
+      specialKeys: {
+        8: "backspace",
+        9: "tab",
+        13: "return",
+        16: "shift",
+        17: "ctrl",
+        18: "alt",
+        19: "pause",
+        20: "capslock",
+        27: "esc",
+        32: "space",
+        33: "pageup",
+        34: "pagedown",
+        35: "end",
+        36: "home",
+        37: "left",
+        38: "up",
+        39: "right",
+        40: "down",
+        45: "insert",
+        46: "del",
+        96: "0",
+        97: "1",
+        98: "2",
+        99: "3",
+        100: "4",
+        101: "5",
+        102: "6",
+        103: "7",
+        104: "8",
+        105: "9",
+        106: "*",
+        107: "+",
+        109: "-",
+        110: ".",
+        111: "/",
+        112: "f1",
+        113: "f2",
+        114: "f3",
+        115: "f4",
+        116: "f5",
+        117: "f6",
+        118: "f7",
+        119: "f8",
+        120: "f9",
+        121: "f10",
+        122: "f11",
+        123: "f12",
+        144: "numlock",
+        145: "scroll",
+        191: "/",
+        224: "meta",
+        219: "[",
+        221: "]"
+      },
+      shiftNums: {
+        "`": "~",
+        "1": "!",
+        "2": "@",
+        "3": "#",
+        "4": "$",
+        "5": "%",
+        "6": "^",
+        "7": "&",
+        "8": "*",
+        "9": "(",
+        "0": ")",
+        "-": "_",
+        "=": "+",
+        ";": ": ",
+        "'": '"',
+        ",": "<",
+        ".": ">",
+        "/": "?",
+        "\\": "|"
+      }
+    };
+
+    function a(d) {
       if (typeof d.data !== "string") {
         return;
-      }var c = d.handler,
-          e = d.data.toLowerCase().split(" ");d.handler = function (n) {
+      }
+
+      var c = d.handler,
+          e = d.data.toLowerCase().split(" ");
+
+      d.handler = function (n) {
         if (this !== n.target && (/textarea|select/i.test(n.target.nodeName) || n.target.type === "text")) {
           return;
-        }var h = n.type !== "keypress" && b.hotkeys.specialKeys[n.which],
+        }
+
+        var h = n.type !== "keypress" && b.hotkeys.specialKeys[n.which],
             o = String.fromCharCode(n.which).toLowerCase(),
             m = "",
-            g = {};if (n.altKey && h !== "alt") {
+            g = {};
+
+        if (n.altKey && h !== "alt") {
           m += "alt+";
-        }if (n.ctrlKey && h !== "ctrl") {
+        }
+
+        if (n.ctrlKey && h !== "ctrl") {
           m += "ctrl+";
-        }if (n.metaKey && !n.ctrlKey && h !== "meta") {
+        }
+
+        if (n.metaKey && !n.ctrlKey && h !== "meta") {
           m += "meta+";
-        }if (n.shiftKey && h !== "shift") {
+        }
+
+        if (n.shiftKey && h !== "shift") {
           m += "shift+";
-        }if (h) {
+        }
+
+        if (h) {
           g[m + h] = true;
         } else {
-          g[m + o] = true;g[m + b.hotkeys.shiftNums[o]] = true;if (m === "shift+") {
+          g[m + o] = true;
+          g[m + b.hotkeys.shiftNums[o]] = true;
+
+          if (m === "shift+") {
             g[b.hotkeys.shiftNums[o]] = true;
           }
-        }for (var j = 0, f = e.length; j < f; j++) {
+        }
+
+        for (var j = 0, f = e.length; j < f; j++) {
           if (g[e[j]]) {
             return c.apply(this, arguments);
           }
         }
       };
-    }b.each(["keydown", "keyup", "keypress"], function () {
-      b.event.special[this] = { add: a };
-    });
+    }
 
+    b.each(["keydown", "keyup", "keypress"], function () {
+      b.event.special[this] = {
+        add: a
+      };
+    });
     return b;
   }
 
@@ -19892,10 +21340,8 @@
    * Dual licensed under the MIT and GPL licenses.
    * http://benalman.com/about/license/
    */
-
   // For sake of modules, added this wrapping export and changed `this` to `window`
   function jqPluginBBQ (jQuery) {
-
     (function ($, p) {
       var i,
           m = Array.prototype.slice,
@@ -19919,49 +21365,101 @@
           x = /^.*\?|#.*$/g,
           w = /^.*\#/,
           h,
-          C = {};function E(F) {
+          C = {};
+
+      function E(F) {
         return typeof F === "string";
-      }function B(G) {
-        var F = m.call(arguments, 1);return function () {
+      }
+
+      function B(G) {
+        var F = m.call(arguments, 1);
+        return function () {
           return G.apply(this, F.concat(m.call(arguments)));
         };
-      }function n(F) {
+      }
+
+      function n(F) {
         return F.replace(/^[^#]*#?(.*)$/, "$1");
-      }function o(F) {
+      }
+
+      function o(F) {
         return F.replace(/(?:^[^?#]*\?([^#]*).*$)?.*/, "$1");
-      }function f(H, M, F, I, G) {
-        var O, L, K, N, J;if (I !== i) {
-          K = F.match(H ? /^([^#]*)\#?(.*)$/ : /^([^#?]*)\??([^#]*)(#?.*)/);J = K[3] || "";if (G === 2 && E(I)) {
+      }
+
+      function f(H, M, F, I, G) {
+        var O, L, K, N, J;
+
+        if (I !== i) {
+          K = F.match(H ? /^([^#]*)\#?(.*)$/ : /^([^#?]*)\??([^#]*)(#?.*)/);
+          J = K[3] || "";
+
+          if (G === 2 && E(I)) {
             L = I.replace(H ? w : x, "");
           } else {
-            N = l(K[2]);I = E(I) ? l[H ? D : A](I) : I;L = G === 2 ? I : G === 1 ? $.extend({}, I, N) : $.extend({}, N, I);L = a(L);if (H) {
+            N = l(K[2]);
+            I = E(I) ? l[H ? D : A](I) : I;
+            L = G === 2 ? I : G === 1 ? $.extend({}, I, N) : $.extend({}, N, I);
+            L = a(L);
+
+            if (H) {
               L = L.replace(h, r);
             }
-          }O = K[1] + (H ? "#" : L || !K[1] ? "?" : "") + L + J;
+          }
+
+          O = K[1] + (H ? "#" : L || !K[1] ? "?" : "") + L + J;
         } else {
           O = M(F !== i ? F : p[g][k]);
-        }return O;
-      }a[A] = B(f, 0, o);a[D] = c = B(f, 1, n);c.noEscape = function (G) {
-        G = G || "";var F = $.map(G.split(""), encodeURIComponent);h = new RegExp(F.join("|"), "g");
-      };c.noEscape(",/");$.deparam = l = function l(I, F) {
+        }
+
+        return O;
+      }
+
+      a[A] = B(f, 0, o);
+      a[D] = c = B(f, 1, n);
+
+      c.noEscape = function (G) {
+        G = G || "";
+        var F = $.map(G.split(""), encodeURIComponent);
+        h = new RegExp(F.join("|"), "g");
+      };
+
+      c.noEscape(",/");
+
+      $.deparam = l = function l(I, F) {
         var H = {},
-            G = { "true": !0, "false": !1, "null": null };$.each(I.replace(/\+/g, " ").split("&"), function (L, Q) {
+            G = {
+          "true": !0,
+          "false": !1,
+          "null": null
+        };
+        $.each(I.replace(/\+/g, " ").split("&"), function (L, Q) {
           var K = Q.split("="),
               P = r(K[0]),
               J,
               O = H,
               M = 0,
               R = P.split("]["),
-              N = R.length - 1;if (/\[/.test(R[0]) && /\]$/.test(R[N])) {
-            R[N] = R[N].replace(/\]$/, "");R = R.shift().split("[").concat(R);N = R.length - 1;
+              N = R.length - 1;
+
+          if (/\[/.test(R[0]) && /\]$/.test(R[N])) {
+            R[N] = R[N].replace(/\]$/, "");
+            R = R.shift().split("[").concat(R);
+            N = R.length - 1;
           } else {
             N = 0;
-          }if (K.length === 2) {
-            J = r(K[1]);if (F) {
+          }
+
+          if (K.length === 2) {
+            J = r(K[1]);
+
+            if (F) {
               J = J && !isNaN(J) ? +J : J === "undefined" ? i : G[J] !== i ? G[J] : J;
-            }if (N) {
+            }
+
+            if (N) {
               for (; M <= N; M++) {
-                P = R[M] === "" ? O.length : R[M];O = O[P] = M < N ? O[P] || (R[M + 1] && isNaN(R[M + 1]) ? {} : []) : J;
+                P = R[M] === "" ? O.length : R[M];
+                O = O[P] = M < N ? O[P] || (R[M + 1] && isNaN(R[M + 1]) ? {} : []) : J;
               }
             } else {
               if ($.isArray(H[P])) {
@@ -19979,47 +21477,105 @@
               H[P] = F ? i : "";
             }
           }
-        });return H;
-      };function z(H, F, G) {
+        });
+        return H;
+      };
+
+      function z(H, F, G) {
         if (F === i || typeof F === "boolean") {
-          G = F;F = a[H ? D : A]();
+          G = F;
+          F = a[H ? D : A]();
         } else {
           F = E(F) ? F.replace(H ? w : x, "") : F;
-        }return l(F, G);
-      }l[A] = B(z, 0);l[D] = v = B(z, 1);$[y] || ($[y] = function (F) {
+        }
+
+        return l(F, G);
+      }
+
+      l[A] = B(z, 0);
+      l[D] = v = B(z, 1);
+      $[y] || ($[y] = function (F) {
         return $.extend(C, F);
-      })({ a: k, base: k, iframe: t, img: t, input: t, form: "action", link: k, script: t });j = $[y];function s(I, G, H, F) {
-        if (!E(H) && (typeof H === "undefined" ? "undefined" : _typeof(H)) !== "object") {
-          F = H;H = G;G = i;
-        }return this.each(function () {
+      })({
+        a: k,
+        base: k,
+        iframe: t,
+        img: t,
+        input: t,
+        form: "action",
+        link: k,
+        script: t
+      });
+      j = $[y];
+
+      function s(I, G, H, F) {
+        if (!E(H) && _typeof(H) !== "object") {
+          F = H;
+          H = G;
+          G = i;
+        }
+
+        return this.each(function () {
           var L = $(this),
               J = G || j()[(this.nodeName || "").toLowerCase()] || "",
-              K = J && L.attr(J) || "";L.attr(J, a[I](K, H, F));
+              K = J && L.attr(J) || "";
+          L.attr(J, a[I](K, H, F));
         });
-      }$.fn[A] = B(s, A);$.fn[D] = B(s, D);b.pushState = q = function q(I, F) {
+      }
+
+      $.fn[A] = B(s, A);
+      $.fn[D] = B(s, D);
+
+      b.pushState = q = function q(I, F) {
         if (E(I) && /^#/.test(I) && F === i) {
           F = 2;
-        }var H = I !== i,
-            G = c(p[g][k], H ? I : {}, H ? F : 2);p[g][k] = G + (/#/.test(G) ? "" : "#");
-      };b.getState = u = function u(F, G) {
+        }
+
+        var H = I !== i,
+            G = c(p[g][k], H ? I : {}, H ? F : 2);
+        p[g][k] = G + (/#/.test(G) ? "" : "#");
+      };
+
+      b.getState = u = function u(F, G) {
         return F === i || typeof F === "boolean" ? v(F) : v(G)[F];
-      };b.removeState = function (F) {
-        var G = {};if (F !== i) {
-          G = u();$.each($.isArray(F) ? F : arguments, function (I, H) {
+      };
+
+      b.removeState = function (F) {
+        var G = {};
+
+        if (F !== i) {
+          G = u();
+          $.each($.isArray(F) ? F : arguments, function (I, H) {
             delete G[H];
           });
-        }q(G, 2);
-      };e[d] = $.extend(e[d], { add: function add(F) {
-          var H;function G(J) {
-            var I = J[D] = c();J.getState = function (K, L) {
+        }
+
+        q(G, 2);
+      };
+
+      e[d] = $.extend(e[d], {
+        add: function add(F) {
+          var H;
+
+          function G(J) {
+            var I = J[D] = c();
+
+            J.getState = function (K, L) {
               return K === i || typeof K === "boolean" ? l(I, K) : l(I, L)[K];
-            };H.apply(this, arguments);
-          }if ($.isFunction(F)) {
-            H = F;return G;
-          } else {
-            H = F.handler;F.handler = G;
+            };
+
+            H.apply(this, arguments);
           }
-        } });
+
+          if ($.isFunction(F)) {
+            H = F;
+            return G;
+          } else {
+            H = F.handler;
+            F.handler = G;
+          }
+        }
+      });
     })(jQuery, window);
     /*
      * jQuery hashchange event - v1.2 - 2/11/2010
@@ -20029,6 +21585,8 @@
      * Dual licensed under the MIT and GPL licenses.
      * http://benalman.com/about/license/
      */
+
+
     (function ($, i, b) {
       var j,
           k = $.event.special,
@@ -20038,51 +21596,95 @@
           f = $.browser,
           g = document.documentMode,
           h = f.msie && (g === b || g < 8),
-          e = "on" + d in i && !h;function a(m) {
-        m = m || i[c][l];return m.replace(/^[^#]*#?(.*)$/, "$1");
-      }$[d + "Delay"] = 100;k[d] = $.extend(k[d], { setup: function setup() {
+          e = "on" + d in i && !h;
+
+      function a(m) {
+        m = m || i[c][l];
+        return m.replace(/^[^#]*#?(.*)$/, "$1");
+      }
+
+      $[d + "Delay"] = 100;
+      k[d] = $.extend(k[d], {
+        setup: function setup() {
           if (e) {
             return false;
-          }$(j.start);
-        }, teardown: function teardown() {
+          }
+
+          $(j.start);
+        },
+        teardown: function teardown() {
           if (e) {
             return false;
-          }$(j.stop);
-        } });j = function () {
+          }
+
+          $(j.stop);
+        }
+      });
+
+      j = function () {
         var m = {},
             r,
             n,
             o,
-            q;function p() {
+            q;
+
+        function p() {
           o = q = function q(s) {
             return s;
-          };if (h) {
-            n = $('<iframe src="javascript:0"/>').hide().insertAfter("body")[0].contentWindow;q = function q() {
+          };
+
+          if (h) {
+            n = $('<iframe src="javascript:0"/>').hide().insertAfter("body")[0].contentWindow;
+
+            q = function q() {
               return a(n.document[c][l]);
-            };o = function o(u, s) {
+            };
+
+            o = function o(u, s) {
               if (u !== s) {
-                var t = n.document;t.open().close();t[c].hash = "#" + u;
+                var t = n.document;
+                t.open().close();
+                t[c].hash = "#" + u;
               }
-            };o(a());
+            };
+
+            o(a());
           }
-        }m.start = function () {
+        }
+
+        m.start = function () {
           if (r) {
             return;
-          }var t = a();o || p();(function s() {
+          }
+
+          var t = a();
+          o || p();
+
+          (function s() {
             var v = a(),
-                u = q(t);if (v !== t) {
-              o(t = v, u);$(i).trigger(d);
+                u = q(t);
+
+            if (v !== t) {
+              o(t = v, u);
+              $(i).trigger(d);
             } else {
               if (u !== t) {
                 i[c][l] = i[c][l].replace(/#.*/, "") + "#" + u;
               }
-            }r = setTimeout(s, $[d + "Delay"]);
+            }
+
+            r = setTimeout(s, $[d + "Delay"]);
           })();
-        };m.stop = function () {
+        };
+
+        m.stop = function () {
           if (!n) {
-            r && clearTimeout(r);r = 0;
+            r && clearTimeout(r);
+            r = 0;
           }
-        };return m;
+        };
+
+        return m;
       }();
     })(jQuery, window);
 
@@ -20188,8 +21790,7 @@
   */
   function jqPluginSVGIcons ($) {
     var svgIcons = {};
-
-    var fixIDs = void 0;
+    var fixIDs;
     /**
     * @function external:jQuery.svgIcons
     * @param {string} file The location of a local SVG or SVGz file
@@ -20215,28 +21816,28 @@
       parse as XML. SVGZ files add compression benefits, but getting data from
       them fails in Firefox 2 and older.
     */
+
     $.svgIcons = function (file) {
       var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
-
       var svgns = 'http://www.w3.org/2000/svg',
           xlinkns = 'http://www.w3.org/1999/xlink',
           iconW = opts.w || 24,
           iconH = opts.h || 24;
-      var elems = void 0,
-          svgdoc = void 0,
-          testImg = void 0,
+      var elems,
+          svgdoc,
+          testImg,
           iconsMade = false,
           dataLoaded = false,
           loadAttempts = 0;
       var isOpera = !!window.opera,
-
-      // ua = navigator.userAgent,
+          // ua = navigator.userAgent,
       // isSafari = (ua.includes('Safari/') && !ua.includes('Chrome/')),
       dataPre = 'data:image/svg+xml;charset=utf-8;base64,';
+      var dataEl;
 
-      var dataEl = void 0;
       if (opts.svgz) {
         dataEl = $('<object data="' + file + '" type=image/svg+xml>').appendTo('body').hide();
+
         try {
           svgdoc = dataEl[0].contentDocument;
           dataEl.load(getIcons);
@@ -20254,6 +21855,7 @@
               $(useFallback);
               return;
             }
+
             svgdoc = parser.parseFromString(data, 'text/xml');
             $(function () {
               getIcons('ajax');
@@ -20272,6 +21874,7 @@
                 if (!svgdoc.childNodes.length) {
                   $(useFallback);
                 }
+
                 $(function () {
                   getIcons('ajax');
                 });
@@ -20285,22 +21888,27 @@
 
       function getIcons(evt, noWait) {
         if (evt !== 'ajax') {
-          if (dataLoaded) return;
-          // Webkit sometimes says svgdoc is undefined, other times
+          if (dataLoaded) return; // Webkit sometimes says svgdoc is undefined, other times
           // it fails to load all nodes. Thus we must make sure the "eof"
           // element is loaded.
+
           svgdoc = dataEl[0].contentDocument; // Needed again for Webkit
+
           var isReady = svgdoc && svgdoc.getElementById('svg_eof');
+
           if (!isReady && !(noWait && isReady)) {
             loadAttempts++;
+
             if (loadAttempts < 50) {
               setTimeout(getIcons, 20);
             } else {
               useFallback();
               dataLoaded = true;
             }
+
             return;
           }
+
           dataLoaded = true;
         }
 
@@ -20308,7 +21916,6 @@
 
         if (!opts.no_img) {
           var testSrc = dataPre + 'PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNzUiIGhlaWdodD0iMjc1Ij48L3N2Zz4%3D';
-
           testImg = $(new Image()).attr({
             src: testSrc,
             width: 0,
@@ -20328,6 +21935,7 @@
 
       function setIcon(target, icon, id, setID) {
         if (isOpera) icon.css('visibility', 'hidden');
+
         if (opts.replace) {
           if (setID) icon.attr('id', id);
           var cl = target.attr('class');
@@ -20336,6 +21944,7 @@
         } else {
           target.append(icon);
         }
+
         if (isOpera) {
           setTimeout(function () {
             icon.removeAttr('style');
@@ -20343,23 +21952,26 @@
         }
       }
 
-      var holder = void 0;
+      var holder;
+
       function addIcon(icon, id) {
         if (opts.id_match === undefined || opts.id_match !== false) {
           setIcon(holder, icon, id, true);
         }
+
         svgIcons[id] = icon;
       }
 
       function makeIcons(toImage, fallback) {
         if (iconsMade) return;
         if (opts.no_img) toImage = false;
+        var tempHolder;
 
-        var tempHolder = void 0;
         if (toImage) {
           tempHolder = $(document.createElement('div'));
           tempHolder.hide().appendTo('body');
         }
+
         if (fallback) {
           var path = opts.fallback_path || '';
           $.each(fallback, function (id, imgsrc) {
@@ -20371,56 +21983,55 @@
               height: iconH,
               alt: 'icon'
             });
-
             addIcon(icon, id);
           });
         } else {
           var len = elems.length;
+
           for (var i = 0; i < len; i++) {
             var elem = elems[i];
             var id = elem.id;
-
             if (id === 'svg_eof') break;
             holder = $('#' + id);
-            var svgroot = document.createElementNS(svgns, 'svg');
-            // Per https://www.w3.org/TR/xml-names11/#defaulting, the namespace for
+            var svgroot = document.createElementNS(svgns, 'svg'); // Per https://www.w3.org/TR/xml-names11/#defaulting, the namespace for
             // attributes should have no value.
+
             svgroot.setAttributeNS(null, 'viewBox', [0, 0, iconW, iconH].join(' '));
+            var svg = elem.getElementsByTagNameNS(svgns, 'svg')[0]; // Make flexible by converting width/height to viewBox
 
-            var svg = elem.getElementsByTagNameNS(svgns, 'svg')[0];
-
-            // Make flexible by converting width/height to viewBox
             var w = svg.getAttribute('width');
             var h = svg.getAttribute('height');
             svg.removeAttribute('width');
             svg.removeAttribute('height');
-
             var vb = svg.getAttribute('viewBox');
+
             if (!vb) {
               svg.setAttribute('viewBox', [0, 0, w, h].join(' '));
-            }
+            } // Not using jQuery to be a bit faster
+
 
-            // Not using jQuery to be a bit faster
             svgroot.setAttribute('xmlns', svgns);
             svgroot.setAttribute('width', iconW);
             svgroot.setAttribute('height', iconH);
             svgroot.setAttribute('xmlns:xlink', xlinkns);
-            svgroot.setAttribute('class', 'svg_icon');
-
-            // Without cloning, Firefox will make another GET request.
+            svgroot.setAttribute('class', 'svg_icon'); // Without cloning, Firefox will make another GET request.
             // With cloning, causes issue in Opera/Win/Non-EN
+
             if (!isOpera) svg = svg.cloneNode(true);
-
             svgroot.append(svg);
-
             var icon = void 0;
+
             if (toImage) {
               tempHolder.empty().append(svgroot);
               var str = dataPre + encode64(unescape(encodeURIComponent(new XMLSerializer().serializeToString(svgroot))));
-              icon = $(new Image()).attr({ class: 'svg_icon', src: str });
+              icon = $(new Image()).attr({
+                class: 'svg_icon',
+                src: str
+              });
             } else {
               icon = fixIDs($(svgroot), i);
             }
+
             addIcon(icon, id);
           }
         }
@@ -20435,22 +22046,23 @@
             });
           });
         }
+
         if (!fallback) {
           if (toImage) tempHolder.remove();
           if (dataEl) dataEl.remove();
           if (testImg) testImg.remove();
         }
+
         if (opts.resize) $.resizeSvgIcons(opts.resize);
         iconsMade = true;
-
         if (opts.callback) opts.callback(svgIcons);
       }
 
       fixIDs = function fixIDs(svgEl, svgNum, force) {
         var defs = svgEl.find('defs');
         if (!defs.length) return svgEl;
+        var idElems;
 
-        var idElems = void 0;
         if (isOpera) {
           idElems = defs.find('*').filter(function () {
             return !!this.id;
@@ -20461,7 +22073,6 @@
 
         var allElems = svgEl[0].getElementsByTagName('*'),
             len = allElems.length;
-
         idElems.each(function (i) {
           var id = this.id;
           /*
@@ -20472,11 +22083,8 @@
 
           var newId = 'x' + id + svgNum + i;
           this.id = newId;
-
           var oldVal = 'url(#' + id + ')';
-          var newVal = 'url(#' + newId + ')';
-
-          // Selector method, possibly faster but fails in Opera / jQuery 1.4.3
+          var newVal = 'url(#' + newId + ')'; // Selector method, possibly faster but fails in Opera / jQuery 1.4.3
           //  svgEl.find('[fill="url(#' + id + ')"]').each(function() {
           //    this.setAttribute('fill', 'url(#' + newId + ')');
           //  }).end().find('[stroke="url(#' + id + ')"]').each(function() {
@@ -20491,12 +22099,15 @@
 
           for (i = 0; i < len; i++) {
             var elem = allElems[i];
+
             if (elem.getAttribute('fill') === oldVal) {
               elem.setAttribute('fill', newVal);
             }
+
             if (elem.getAttribute('stroke') === oldVal) {
               elem.setAttribute('stroke', newVal);
             }
+
             if (elem.getAttribute('filter') === oldVal) {
               elem.setAttribute('filter', newVal);
             }
@@ -20508,9 +22119,11 @@
       function useFallback() {
         if (file.includes('.svgz')) {
           var regFile = file.replace('.svgz', '.svg');
+
           if (window.console) {
             console.log('.svgz failed, trying with .svg');
           }
+
           $.svgIcons(regFile, opts);
         } else if (opts.fallback) {
           makeIcons(false, opts.fallback);
@@ -20522,19 +22135,18 @@
         if (window.btoa) return window.btoa(input);
         var _keyStr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
         var output = new Array(Math.floor((input.length + 2) / 3) * 4);
-
         var i = 0,
             p = 0;
+
         do {
           var chr1 = input.charCodeAt(i++);
           var chr2 = input.charCodeAt(i++);
           var chr3 = input.charCodeAt(i++);
-
           var enc1 = chr1 >> 2;
           var enc2 = (chr1 & 3) << 4 | chr2 >> 4;
-
           var enc3 = (chr2 & 15) << 2 | chr3 >> 6;
           var enc4 = chr3 & 63;
+
           if (isNaN(chr2)) {
             enc3 = enc4 = 64;
           } else if (isNaN(chr3)) {
@@ -20550,21 +22162,23 @@
         return output.join('');
       }
     };
-
     /**
     * @function external:jQuery.getSvgIcon
     * @param {string} id
     * @param {boolean} uniqueClone Whether to clone
     * @returns {external:jQuery} The icon (optionally cloned)
     */
+
+
     $.getSvgIcon = function (id, uniqueClone) {
       var icon = svgIcons[id];
+
       if (uniqueClone && icon) {
         icon = fixIDs(icon, 0, true).clone(true);
       }
+
       return icon;
     };
-
     /**
     * @typedef {GenericArray} module:jQuerySVGIcons.Dimensions
     * @property {Integer} length 2
@@ -20582,6 +22196,8 @@
     * @param {PlainObject.<string, module:jQuerySVGIcons.Size>} obj Object with selectors as keys. The values are sizes.
     * @returns {undefined}
     */
+
+
     $.resizeSvgIcons = function (obj) {
       // FF2 and older don't detect .svg_icon, so we change it detect svg elems instead
       var changeSel = !$('.svg_icon:first').length;
@@ -20589,12 +22205,15 @@
         var arr = Array.isArray(size);
         var w = arr ? size[0] : size,
             h = arr ? size[1] : size;
+
         if (changeSel) {
           sel = sel.replace(/\.svg_icon/g, 'svg');
         }
+
         $(sel).each(function () {
           this.setAttribute('width', w);
           this.setAttribute('height', h);
+
           if (window.opera && window.widget) {
             this.parentNode.style.width = w + 'px';
             this.parentNode.style.height = h + 'px';
@@ -20602,6 +22221,7 @@
         });
       });
     };
+
     return $;
   }
 
@@ -20629,13 +22249,13 @@
     * The jQuery namespace.
     * @external jQuery
   */
+
   /**
    * The jQuery plugin namespace.
    * @namespace {PlainObject} fn
    * @memberof external:jQuery
    * @see {@link http://learn.jquery.com/plugins/|jQuery Plugins}
    */
-
   var ns = {
     svg: 'http://www.w3.org/2000/svg',
     xlink: 'http://www.w3.org/1999/xlink'
@@ -20647,22 +22267,24 @@
       dir: function dir(str) {}
     };
   }
-
   /**
   * Adds {@link external:jQuery.jGraduate.Paint}, {@link external:jQuery.fn.jGraduateDefaults}, {@link external:jQuery.fn.jGraduate}
   * @function module:jGraduate.jGraduate
   * @param {external:jQuery} $ The jQuery instance to wrap
   * @returns {external:jQuery}
   */
+
+
   function jqPluginJGraduate ($) {
     if (!$.loadingStylesheets) {
       $.loadingStylesheets = [];
     }
+
     var stylesheet = 'jgraduate/css/jGraduate.css';
+
     if (!$.loadingStylesheets.includes(stylesheet)) {
       $.loadingStylesheets.push(stylesheet);
     }
-
     /**
     * @typedef {PlainObject} module:jGraduate.jGraduatePaintOptions
     * @param {Float} [alpha]
@@ -20676,16 +22298,17 @@
     * @memberof module:jGraduate~
     */
 
+
     var Paint =
     /**
      * @param {module:jGraduate.jGraduatePaintOptions} [opt]
     */
     function Paint(opt) {
-      classCallCheck(this, Paint);
+      _classCallCheck(this, Paint);
 
       var options = opt || {};
-      this.alpha = isNaN(options.alpha) ? 100 : options.alpha;
-      // copy paint object
+      this.alpha = isNaN(options.alpha) ? 100 : options.alpha; // copy paint object
+
       if (options.copy) {
         /**
          * @name module:jGraduate~Paint#type
@@ -20697,54 +22320,58 @@
          * @name module:jGraduate~Paint#alpha
          * @type {Float}
          */
+
         this.alpha = options.copy.alpha;
         /**
          * Represents #RRGGBB hex of color
          * @name module:jGraduate~Paint#solidColor
          * @type {string}
          */
+
         this.solidColor = null;
         /**
          * @name module:jGraduate~Paint#linearGradient
          * @type {SVGLinearGradientElement}
          */
+
         this.linearGradient = null;
         /**
          * @name module:jGraduate~Paint#radialGradient
          * @type {SVGRadialGradientElement}
          */
+
         this.radialGradient = null;
 
         switch (this.type) {
           case 'none':
             break;
+
           case 'solidColor':
             this.solidColor = options.copy.solidColor;
             break;
+
           case 'linearGradient':
             this.linearGradient = options.copy.linearGradient.cloneNode(true);
             break;
+
           case 'radialGradient':
             this.radialGradient = options.copy.radialGradient.cloneNode(true);
             break;
-        }
-        // create linear gradient paint
+        } // create linear gradient paint
+
       } else if (options.linearGradient) {
         this.type = 'linearGradient';
         this.solidColor = null;
         this.radialGradient = null;
-        this.linearGradient = options.linearGradient.cloneNode(true);
-        // create linear gradient paint
+        this.linearGradient = options.linearGradient.cloneNode(true); // create linear gradient paint
       } else if (options.radialGradient) {
         this.type = 'radialGradient';
         this.solidColor = null;
         this.linearGradient = null;
-        this.radialGradient = options.radialGradient.cloneNode(true);
-        // create solid color paint
+        this.radialGradient = options.radialGradient.cloneNode(true); // create solid color paint
       } else if (options.solidColor) {
         this.type = 'solidColor';
-        this.solidColor = options.solidColor;
-        // create empty paint
+        this.solidColor = options.solidColor; // create empty paint
       } else {
         this.type = 'none';
         this.solidColor = null;
@@ -20758,27 +22385,32 @@
     */
 
 
-    $.jGraduate = /** @lends external:jQuery.jGraduate */{
+    $.jGraduate =
+    /** @lends external:jQuery.jGraduate */
+    {
       /**
       * @class external:jQuery.jGraduate.Paint
       * @see module:jGraduate~Paint
       */
       Paint: Paint
-    };
-
-    // JSDoc doesn't show this as belonging to our `module:jGraduate.Options` type,
+    }; // JSDoc doesn't show this as belonging to our `module:jGraduate.Options` type,
     //   so we use `@see`
+
     /**
     * @namespace {module:jGraduate.Options} jGraduateDefaults
     * @memberof external:jQuery.fn
     */
-    $.fn.jGraduateDefaults = /** @lends external:jQuery.fn.jGraduateDefaults */{
+
+    $.fn.jGraduateDefaults =
+    /** @lends external:jQuery.fn.jGraduateDefaults */
+    {
       /**
       * Creates an object with a 'none' color
       * @type {external:jQuery.jGraduate.Paint}
       * @see module:jGraduate.Options
       */
       paint: new $.jGraduate.Paint(),
+
       /**
       * @namespace
       */
@@ -20789,6 +22421,7 @@
         */
         pickerTitle: 'Drag markers to pick a paint'
       },
+
       /**
       * @namespace
       */
@@ -20799,13 +22432,14 @@
         */
         clientPath: 'images/'
       },
+
       /**
       * @type {string}
       * @see module:jGraduate.Options
       */
       newstop: 'inverse' // same, inverse, black, white
-    };
 
+    };
     var isGecko = navigator.userAgent.includes('Gecko/');
 
     function setAttrs(elem, attrs) {
@@ -20817,6 +22451,7 @@
         for (var _aname in attrs) {
           var val = attrs[_aname],
               prop = elem[_aname];
+
           if (prop && prop.constructor === 'SVGLength') {
             prop.baseVal.value = val;
           } else {
@@ -20829,17 +22464,19 @@
     function mkElem(name, attrs, newparent) {
       var elem = document.createElementNS(ns.svg, name);
       setAttrs(elem, attrs);
+
       if (newparent) {
         newparent.append(elem);
       }
+
       return elem;
     }
-
     /**
     * @typedef {PlainObject} module:jGraduate.ColorOpac Object may have one or both values
     * @property {string} [color] #Hex color
     * @property {Float} [opac] 0-1
     */
+
     /**
     * @typedef {PlainObject} module:jGraduate.Options
     * @property {module:jGraduate~Paint} [paint] A Paint object object describing the paint to display initially; defaults to a new instance without options (defaults to opaque white)
@@ -20855,6 +22492,7 @@
     * @param {external:jQuery.jGraduate.Paint} paint
     * @returns {undefined}
     */
+
     /**
     * @callback external:jQuery.fn.jGraduate.CancelCallback
     * @returns {undefined}
@@ -20867,6 +22505,8 @@
     * @param {external:jQuery.fn.jGraduate.CancelCallback} [cancelCallback] Called with no arguments when Cancel is pressed
     * @returns {external:jQuery}
     */
+
+
     $.fn.jGraduate = function (options, okCallback, cancelCallback) {
       return this.each(function () {
         var $this = $(this),
@@ -20884,108 +22524,109 @@
             case 'radialGradient':
               $this.paint.linearGradient = null;
               break;
+
             case 'linearGradient':
               $this.paint.radialGradient = null;
               break;
+
             case 'solidColor':
               $this.paint.radialGradient = $this.paint.linearGradient = null;
               break;
           }
+
           typeof $this.okCallback === 'function' && $this.okCallback($this.paint);
           $this.hide();
         };
+
         var cancelClicked = function cancelClicked() {
           typeof $this.cancelCallback === 'function' && $this.cancelCallback();
           $this.hide();
         };
 
-        $.extend(true, $this, { // public properties, methods, and callbacks
+        $.extend(true, $this, {
+          // public properties, methods, and callbacks
           // make a copy of the incoming paint
-          paint: new $.jGraduate.Paint({ copy: $settings.paint }),
+          paint: new $.jGraduate.Paint({
+            copy: $settings.paint
+          }),
           okCallback: typeof okCallback === 'function' ? okCallback : null,
           cancelCallback: typeof cancelCallback === 'function' ? cancelCallback : null
         });
-
         var // pos = $this.position(),
         color = null;
         var $win = $(window);
 
         if ($this.paint.type === 'none') {
-          $this.paint = new $.jGraduate.Paint({ solidColor: 'ffffff' });
+          $this.paint = new $.jGraduate.Paint({
+            solidColor: 'ffffff'
+          });
         }
 
         $this.addClass('jGraduate_Picker');
         $this.html('<ul class="jGraduate_tabs">' + '<li class="jGraduate_tab_color jGraduate_tab_current" data-type="col">Solid Color</li>' + '<li class="jGraduate_tab_lingrad" data-type="lg">Linear Gradient</li>' + '<li class="jGraduate_tab_radgrad" data-type="rg">Radial Gradient</li>' + '</ul>' + '<div class="jGraduate_colPick"></div>' + '<div class="jGraduate_gradPick"></div>' + '<div class="jGraduate_LightBox"></div>' + '<div id="' + id + '_jGraduate_stopPicker" class="jGraduate_stopPicker"></div>');
         var colPicker = $(idref + '> .jGraduate_colPick');
         var gradPicker = $(idref + '> .jGraduate_gradPick');
-
-        gradPicker.html('<div id="' + id + '_jGraduate_Swatch" class="jGraduate_Swatch">' + '<h2 class="jGraduate_Title">' + $settings.window.pickerTitle + '</h2>' + '<div id="' + id + '_jGraduate_GradContainer" class="jGraduate_GradContainer"></div>' + '<div id="' + id + '_jGraduate_StopSlider" class="jGraduate_StopSlider"></div>' + '</div>' + '<div class="jGraduate_Form jGraduate_Points jGraduate_lg_field">' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Begin Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_x1" size="3" title="Enter starting x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_y1" size="3" title="Enter starting y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">End Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_x2" size="3" title="Enter ending x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_y2" size="3" title="Enter ending y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '</div>' + '<div class="jGraduate_Form jGraduate_Points jGraduate_rg_field">' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Center Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_cx" size="3" title="Enter x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_cy" size="3" title="Enter y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Focal Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>Match center: <input type="checkbox" checked="checked" id="' + id + '_jGraduate_match_ctr"/></label><br/>' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_fx" size="3" title="Enter x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_fy" size="3" title="Enter y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection jGraduate_SpreadMethod">' + '<label class="jGraduate_Form_Heading">Spread method</label>' + '<div class="jGraduate_Form_Section">' + '<select class="jGraduate_spreadMethod">' + '<option value=pad selected>Pad</option>' + '<option value=reflect>Reflect</option>' + '<option value=repeat>Repeat</option>' + '</select>' + '</div>' + '</div>' + '<div class="jGraduate_Form">' + '<div class="jGraduate_Slider jGraduate_RadiusField jGraduate_rg_field">' + '<label class="prelabel">Radius:</label>' + '<div id="' + id + '_jGraduate_Radius" class="jGraduate_SliderBar jGraduate_Radius" title="Click to set radius">' + '<img id="' + id + '_jGraduate_RadiusArrows" class="jGraduate_RadiusArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_RadiusInput" size="3" value="100"/>%</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_EllipField jGraduate_rg_field">' + '<label class="prelabel">Ellip:</label>' + '<div id="' + id + '_jGraduate_Ellip" class="jGraduate_SliderBar jGraduate_Ellip" title="Click to set Ellip">' + '<img id="' + id + '_jGraduate_EllipArrows" class="jGraduate_EllipArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_EllipInput" size="3" value="0"/>%</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_AngleField jGraduate_rg_field">' + '<label class="prelabel">Angle:</label>' + '<div id="' + id + '_jGraduate_Angle" class="jGraduate_SliderBar jGraduate_Angle" title="Click to set Angle">' + '<img id="' + id + '_jGraduate_AngleArrows" class="jGraduate_AngleArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_AngleInput" size="3" value="0"/>deg</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_OpacField">' + '<label class="prelabel">Opac:</label>' + '<div id="' + id + '_jGraduate_Opac" class="jGraduate_SliderBar jGraduate_Opac" title="Click to set Opac">' + '<img id="' + id + '_jGraduate_OpacArrows" class="jGraduate_OpacArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_OpacInput" size="3" value="100"/>%</label>' + '</div>' + '</div>' + '<div class="jGraduate_OkCancel">' + '<input type="button" id="' + id + '_jGraduate_Ok" class="jGraduate_Ok" value="OK"/>' + '<input type="button" id="' + id + '_jGraduate_Cancel" class="jGraduate_Cancel" value="Cancel"/>' + '</div>');
-
-        // --------------
+        gradPicker.html('<div id="' + id + '_jGraduate_Swatch" class="jGraduate_Swatch">' + '<h2 class="jGraduate_Title">' + $settings.window.pickerTitle + '</h2>' + '<div id="' + id + '_jGraduate_GradContainer" class="jGraduate_GradContainer"></div>' + '<div id="' + id + '_jGraduate_StopSlider" class="jGraduate_StopSlider"></div>' + '</div>' + '<div class="jGraduate_Form jGraduate_Points jGraduate_lg_field">' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Begin Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_x1" size="3" title="Enter starting x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_y1" size="3" title="Enter starting y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">End Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_x2" size="3" title="Enter ending x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_y2" size="3" title="Enter ending y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '</div>' + '<div class="jGraduate_Form jGraduate_Points jGraduate_rg_field">' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Center Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_cx" size="3" title="Enter x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_cy" size="3" title="Enter y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Focal Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>Match center: <input type="checkbox" checked="checked" id="' + id + '_jGraduate_match_ctr"/></label><br/>' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_fx" size="3" title="Enter x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_fy" size="3" title="Enter y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection jGraduate_SpreadMethod">' + '<label class="jGraduate_Form_Heading">Spread method</label>' + '<div class="jGraduate_Form_Section">' + '<select class="jGraduate_spreadMethod">' + '<option value=pad selected>Pad</option>' + '<option value=reflect>Reflect</option>' + '<option value=repeat>Repeat</option>' + '</select>' + '</div>' + '</div>' + '<div class="jGraduate_Form">' + '<div class="jGraduate_Slider jGraduate_RadiusField jGraduate_rg_field">' + '<label class="prelabel">Radius:</label>' + '<div id="' + id + '_jGraduate_Radius" class="jGraduate_SliderBar jGraduate_Radius" title="Click to set radius">' + '<img id="' + id + '_jGraduate_RadiusArrows" class="jGraduate_RadiusArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_RadiusInput" size="3" value="100"/>%</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_EllipField jGraduate_rg_field">' + '<label class="prelabel">Ellip:</label>' + '<div id="' + id + '_jGraduate_Ellip" class="jGraduate_SliderBar jGraduate_Ellip" title="Click to set Ellip">' + '<img id="' + id + '_jGraduate_EllipArrows" class="jGraduate_EllipArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_EllipInput" size="3" value="0"/>%</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_AngleField jGraduate_rg_field">' + '<label class="prelabel">Angle:</label>' + '<div id="' + id + '_jGraduate_Angle" class="jGraduate_SliderBar jGraduate_Angle" title="Click to set Angle">' + '<img id="' + id + '_jGraduate_AngleArrows" class="jGraduate_AngleArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_AngleInput" size="3" value="0"/>deg</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_OpacField">' + '<label class="prelabel">Opac:</label>' + '<div id="' + id + '_jGraduate_Opac" class="jGraduate_SliderBar jGraduate_Opac" title="Click to set Opac">' + '<img id="' + id + '_jGraduate_OpacArrows" class="jGraduate_OpacArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_OpacInput" size="3" value="100"/>%</label>' + '</div>' + '</div>' + '<div class="jGraduate_OkCancel">' + '<input type="button" id="' + id + '_jGraduate_Ok" class="jGraduate_Ok" value="OK"/>' + '<input type="button" id="' + id + '_jGraduate_Cancel" class="jGraduate_Cancel" value="Cancel"/>' + '</div>'); // --------------
         // Set up all the SVG elements (the gradient, stops and rectangle)
+
         var MAX = 256,
             MARGINX = 0,
             MARGINY = 0,
-
-        // STOP_RADIUS = 15 / 2,
+            // STOP_RADIUS = 15 / 2,
         SIZEX = MAX - 2 * MARGINX,
             SIZEY = MAX - 2 * MARGINY;
-
         var attrInput = {};
-
         var SLIDERW = 145;
         $('.jGraduate_SliderBar').width(SLIDERW);
-
         var container = $('#' + id + '_jGraduate_GradContainer')[0];
-
         var svg = mkElem('svg', {
           id: id + '_jgraduate_svg',
           width: MAX,
           height: MAX,
           xmlns: ns.svg
-        }, container);
-
-        // This wasn't working as designed
+        }, container); // This wasn't working as designed
         // let curType;
         // curType = curType || $this.paint.type;
-
         // if we are sent a gradient, import it
-        var curType = $this.paint.type;
 
+        var curType = $this.paint.type;
         var grad = $this.paint[curType];
         var curGradient = grad;
-
         var gradalpha = $this.paint.alpha;
+        var isSolid = curType === 'solidColor'; // Make any missing gradients
 
-        var isSolid = curType === 'solidColor';
-
-        // Make any missing gradients
         switch (curType) {
-          case 'solidColor':
-          // fall through
+          case 'solidColor': // fall through
+
           case 'linearGradient':
             if (!isSolid) {
               curGradient.id = id + '_lg_jgraduate_grad';
               grad = curGradient = svg.appendChild(curGradient); // .cloneNode(true));
             }
+
             mkElem('radialGradient', {
               id: id + '_rg_jgraduate_grad'
             }, svg);
+
             if (curType === 'linearGradient') {
               break;
             }
+
           // fall through
+
           case 'radialGradient':
             if (!isSolid) {
               curGradient.id = id + '_rg_jgraduate_grad';
               grad = curGradient = svg.appendChild(curGradient); // .cloneNode(true));
             }
+
             mkElem('linearGradient', {
               id: id + '_lg_jgraduate_grad'
             }, svg);
         }
 
-        var stopGroup = void 0; // eslint-disable-line prefer-const
+        var stopGroup; // eslint-disable-line prefer-const
+
         if (isSolid) {
           grad = curGradient = $('#' + id + '_lg_jgraduate_grad')[0];
           color = $this.paint[curType];
@@ -21002,12 +22643,14 @@
               case 'inverse':
                 // Invert current color for second stop
                 var inverted = '';
+
                 for (var i = 0; i < 6; i += 2) {
                   // const ch = color.substr(i, 2);
                   var inv = (255 - parseInt(color.substr(i, 2), 16)).toString(16);
                   if (inv.length < 2) inv = 0 + inv;
                   inverted += inv;
                 }
+
                 mkStop(1, '#' + inverted, 1);
                 break;
 
@@ -21029,12 +22672,10 @@
             y1 = parseFloat(grad.getAttribute('y1') || 0.0),
             x2 = parseFloat(grad.getAttribute('x2') || 1.0),
             y2 = parseFloat(grad.getAttribute('y2') || 0.0);
-
         var cx = parseFloat(grad.getAttribute('cx') || 0.5),
             cy = parseFloat(grad.getAttribute('cy') || 0.5),
             fx = parseFloat(grad.getAttribute('fx') || cx),
             fy = parseFloat(grad.getAttribute('fy') || cy);
-
         var previewRect = mkElem('rect', {
           id: id + '_jgraduate_rect',
           x: MARGINX,
@@ -21043,9 +22684,8 @@
           height: SIZEY,
           fill: 'url(#' + id + '_jgraduate_grad)',
           'fill-opacity': gradalpha / 100
-        }, svg);
+        }, svg); // stop visuals created here
 
-        // stop visuals created here
         var beginCoord = $('<div/>').attr({
           class: 'grad_coord jGraduate_lg_field',
           title: 'Begin Stop'
@@ -21053,12 +22693,10 @@
           top: y1 * MAX,
           left: x1 * MAX
         }).data('coord', 'start').appendTo(container);
-
         var endCoord = beginCoord.clone().text(2).css({
           top: y2 * MAX,
           left: x2 * MAX
         }).attr('title', 'End stop').data('coord', 'end').appendTo(container);
-
         var centerCoord = $('<div/>').attr({
           class: 'grad_coord jGraduate_rg_field',
           title: 'Center stop'
@@ -21066,17 +22704,12 @@
           top: cy * MAX,
           left: cx * MAX
         }).data('coord', 'center').appendTo(container);
-
         var focusCoord = centerCoord.clone().text('F').css({
           top: fy * MAX,
           left: fx * MAX,
           display: 'none'
         }).attr('title', 'Focus point').data('coord', 'focus').appendTo(container);
-
-        focusCoord[0].id = id + '_jGraduate_focusCoord';
-
-        // const coords = $(idref + ' .grad_coord');
-
+        focusCoord[0].id = id + '_jGraduate_focusCoord'; // const coords = $(idref + ' .grad_coord');
         // $(container).hover(function () {
         //   coords.animate({
         //     opacity: 1
@@ -21087,11 +22720,11 @@
         //   }, 500);
         // });
 
-        var showFocus = void 0;
+        var showFocus;
         $.each(['x1', 'y1', 'x2', 'y2', 'cx', 'cy', 'fx', 'fy'], function (i, attr) {
           var isRadial = isNaN(attr[1]);
-
           var attrval = curGradient.getAttribute(attr);
+
           if (!attrval) {
             // Set defaults
             if (isRadial) {
@@ -21118,15 +22751,18 @@
             }
 
             var $elem = isRadial ? attr[0] === 'c' ? centerCoord : focusCoord : attr[1] === '1' ? beginCoord : endCoord;
-
             var cssName = attr.includes('x') ? 'left' : 'top';
-
             $elem.css(cssName, this.value * MAX);
           }).change();
         });
 
         function mkStop(n, color, opac, sel, stopElem) {
-          var stop = stopElem || mkElem('stop', { 'stop-color': color, 'stop-opacity': opac, offset: n }, curGradient);
+          var stop = stopElem || mkElem('stop', {
+            'stop-color': color,
+            'stop-opacity': opac,
+            offset: n
+          }, curGradient);
+
           if (stopElem) {
             color = stopElem.getAttribute('stop-color');
             opac = stopElem.getAttribute('stop-opacity');
@@ -21134,16 +22770,14 @@
           } else {
             curGradient.append(stop);
           }
+
           if (opac === null) opac = 1;
-
           var pickerD = 'M-6.2,0.9c3.6-4,6.7-4.3,6.7-12.4c-0.2,7.9,3.1,8.8,6.5,12.4c3.5,3.8,2.9,9.6,0,12.3c-3.1,2.8-10.4,2.7-13.2,0C-9.6,9.9-9.4,4.4-6.2,0.9z';
-
           var pathbg = mkElem('path', {
             d: pickerD,
             fill: 'url(#jGraduate_trans)',
             transform: 'translate(' + (10 + n * MAX) + ', 26)'
           }, stopGroup);
-
           var path = mkElem('path', {
             d: pickerD,
             fill: color,
@@ -21152,7 +22786,6 @@
             stroke: '#000',
             'stroke-width': 1.5
           }, stopGroup);
-
           $(path).mousedown(function (e) {
             selectStop(this);
             drag = curStop;
@@ -21166,14 +22799,26 @@
             var stopOpacity = +stop.getAttribute('stop-opacity') || 1;
             var stopColor = stop.getAttribute('stop-color') || 1;
             var thisAlpha = (parseFloat(stopOpacity) * 255).toString(16);
+
             while (thisAlpha.length < 2) {
               thisAlpha = '0' + thisAlpha;
             }
+
             color = stopColor.substr(1) + thisAlpha;
-            $('#' + id + '_jGraduate_stopPicker').css({ left: 100, bottom: 15 }).jPicker({
-              window: { title: 'Pick the start color and opacity for the gradient' },
-              images: { clientPath: $settings.images.clientPath },
-              color: { active: color, alphaSupport: true }
+            $('#' + id + '_jGraduate_stopPicker').css({
+              left: 100,
+              bottom: 15
+            }).jPicker({
+              window: {
+                title: 'Pick the start color and opacity for the gradient'
+              },
+              images: {
+                clientPath: $settings.images.clientPath
+              },
+              color: {
+                active: color,
+                alphaSupport: true
+              }
             }, function (color, arg2) {
               stopColor = color.val('hex') ? '#' + color.val('hex') : 'none';
               stopOpacity = color.val('a') !== null ? color.val('a') / 256 : 1;
@@ -21188,9 +22833,9 @@
               $('#' + id + '_jGraduate_stopPicker').hide();
             });
           });
-
           $(curGradient).find('stop').each(function () {
             var curS = $(this);
+
             if (+this.getAttribute('offset') > n) {
               if (!color) {
                 var newcolor = this.getAttribute('stop-color');
@@ -21200,6 +22845,7 @@
                 stop.setAttribute('stop-opacity', newopac === null ? 1 : newopac);
                 path.setAttribute('fill-opacity', newopac === null ? 1 : newopac);
               }
+
               curS.before(stop);
               return false;
             }
@@ -21217,11 +22863,7 @@
         }
 
         var stopMakerDiv = $('#' + id + '_jGraduate_StopSlider');
-
-        var stops = void 0,
-            curStop = void 0,
-            drag = void 0;
-
+        var stops, curStop, drag;
         var delStop = mkElem('path', {
           d: 'm9.75,-6l-19.5,19.5m0,-19.5l19.5,19.5',
           fill: 'none',
@@ -21234,38 +22876,38 @@
           if (curStop) curStop.setAttribute('stroke', '#000');
           item.setAttribute('stroke', 'blue');
           curStop = item;
-          curStop.parentNode.append(curStop);
-          //   stops = $('stop');
+          curStop.parentNode.append(curStop); //   stops = $('stop');
           //   opac_select.val(curStop.attr('fill-opacity') || 1);
           //   root.append(delStop);
         }
 
-        var stopOffset = void 0;
+        var stopOffset;
 
         function remDrags() {
           $win.unbind('mousemove', dragColor);
+
           if (delStop.getAttribute('display') !== 'none') {
             remStop();
           }
+
           drag = null;
         }
 
         var scaleX = 1,
             scaleY = 1,
             angle = 0;
-
         var cX = cx;
         var cY = cy;
+
         function xform() {
           var rot = angle ? 'rotate(' + angle + ',' + cX + ',' + cY + ') ' : '';
+
           if (scaleX === 1 && scaleY === 1) {
-            curGradient.removeAttribute('gradientTransform');
-            // $('#ang').addClass('dis');
+            curGradient.removeAttribute('gradientTransform'); // $('#ang').addClass('dis');
           } else {
             var x = -cX * (scaleX - 1);
             var y = -cY * (scaleY - 1);
-            curGradient.setAttribute('gradientTransform', rot + 'translate(' + x + ',' + y + ') scale(' + scaleX + ',' + scaleY + ')');
-            // $('#ang').removeClass('dis');
+            curGradient.setAttribute('gradientTransform', rot + 'translate(' + x + ',' + y + ') scale(' + scaleX + ',' + scaleY + ')'); // $('#ang').removeClass('dis');
           }
         }
 
@@ -21273,8 +22915,8 @@
           var x = evt.pageX - stopOffset.left;
           var y = evt.pageY - stopOffset.top;
           x = x < 10 ? 10 : x > MAX + 10 ? MAX + 10 : x;
-
           var xfStr = 'translate(' + x + ', 26)';
+
           if (y < -60 || y > 130) {
             delStop.setAttribute('display', 'block');
             delStop.setAttribute('transform', xfStr);
@@ -21286,17 +22928,17 @@
           $.data(drag, 'bg').setAttribute('transform', xfStr);
           var stop = $.data(drag, 'stop');
           var sX = (x - 10) / MAX;
-
           stop.setAttribute('offset', sX);
-
           var last = 0;
           $(curGradient).find('stop').each(function (i) {
             var cur = this.getAttribute('offset');
             var t = $(this);
+
             if (cur < last) {
               t.prev().before(t);
               stops = $(curGradient).find('stop');
             }
+
             last = cur;
           });
         }
@@ -21305,40 +22947,31 @@
           width: '100%',
           height: 45
         }, stopMakerDiv[0]);
-
         var transPattern = mkElem('pattern', {
           width: 16,
           height: 16,
           patternUnits: 'userSpaceOnUse',
           id: 'jGraduate_trans'
         }, stopMakerSVG);
-
         var transImg = mkElem('image', {
           width: 16,
           height: 16
         }, transPattern);
-
         var bgImage = $settings.images.clientPath + 'map-opacity.png';
-
         transImg.setAttributeNS(ns.xlink, 'xlink:href', bgImage);
-
         $(stopMakerSVG).click(function (evt) {
           stopOffset = stopMakerDiv.offset();
           var target = evt.target;
-
           if (target.tagName === 'path') return;
           var x = evt.pageX - stopOffset.left - 8;
           x = x < 10 ? 10 : x > MAX + 10 ? MAX + 10 : x;
           mkStop(x / MAX, 0, 0, true);
           evt.stopPropagation();
         });
-
         $(stopMakerSVG).mouseover(function () {
           stopMakerSVG.append(delStop);
         });
-
         stopGroup = mkElem('g', {}, stopMakerSVG);
-
         mkElem('line', {
           x1: 10,
           y1: 15,
@@ -21347,28 +22980,22 @@
           'stroke-width': 2,
           stroke: '#000'
         }, stopMakerSVG);
-
         var spreadMethodOpt = gradPicker.find('.jGraduate_spreadMethod').change(function () {
           curGradient.setAttribute('spreadMethod', $(this).val());
-        });
+        }); // handle dragging the stop around the swatch
 
-        // handle dragging the stop around the swatch
         var draggingCoord = null;
 
         var onCoordDrag = function onCoordDrag(evt) {
           var x = evt.pageX - offset.left;
-          var y = evt.pageY - offset.top;
+          var y = evt.pageY - offset.top; // clamp stop to the swatch
 
-          // clamp stop to the swatch
           x = x < 0 ? 0 : x > MAX ? MAX : x;
           y = y < 0 ? 0 : y > MAX ? MAX : y;
+          draggingCoord.css('left', x).css('top', y); // calculate stop offset
 
-          draggingCoord.css('left', x).css('top', y);
-
-          // calculate stop offset
           var fracx = x / SIZEX;
           var fracy = y / SIZEY;
-
           var type = draggingCoord.data('coord');
           var grad = curGradient;
 
@@ -21379,12 +23006,14 @@
               grad.setAttribute('x1', fracx);
               grad.setAttribute('y1', fracy);
               break;
+
             case 'end':
               attrInput.x2.val(fracx);
               attrInput.y2.val(fracy);
               grad.setAttribute('x2', fracx);
               grad.setAttribute('y2', fracy);
               break;
+
             case 'center':
               attrInput.cx.val(fracx);
               attrInput.cy.val(fracy);
@@ -21394,6 +23023,7 @@
               cY = fracy;
               xform();
               break;
+
             case 'focus':
               attrInput.fx.val(fracx);
               attrInput.fy.val(fracy);
@@ -21408,20 +23038,19 @@
         var onCoordUp = function onCoordUp() {
           draggingCoord = null;
           $win.unbind('mousemove', onCoordDrag).unbind('mouseup', onCoordUp);
-        };
-
-        // Linear gradient
+        }; // Linear gradient
         // (function () {
 
-        stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
 
-        var numstops = stops.length;
-        // if there are not at least two stops, then
+        stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
+        var numstops = stops.length; // if there are not at least two stops, then
+
         if (numstops < 2) {
           while (numstops < 2) {
             curGradient.append(document.createElementNS(ns.svg, 'stop'));
             ++numstops;
           }
+
           stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
         }
 
@@ -21430,23 +23059,18 @@
         }
 
         spreadMethodOpt.val(curGradient.getAttribute('spreadMethod') || 'pad');
+        var offset; // No match, so show focus point
 
-        var offset = void 0;
-
-        // No match, so show focus point
         showFocus = false;
-
         previewRect.setAttribute('fill-opacity', gradalpha / 100);
-
         $('#' + id + ' div.grad_coord').mousedown(function (evt) {
           evt.preventDefault();
-          draggingCoord = $(this);
-          // const sPos = draggingCoord.offset();
+          draggingCoord = $(this); // const sPos = draggingCoord.offset();
+
           offset = draggingCoord.parent().offset();
           $win.mousemove(onCoordDrag).mouseup(onCoordUp);
-        });
+        }); // bind GUI elements
 
-        // bind GUI elements
         $('#' + id + '_jGraduate_Ok').bind('click', function () {
           $this.paint.type = curType;
           $this.paint[curType] = curGradient.cloneNode(true);
@@ -21468,16 +23092,14 @@
         }
 
         $('#' + id + '_jGraduate_match_ctr')[0].checked = !showFocus;
-
-        var lastfx = void 0,
-            lastfy = void 0;
-
+        var lastfx, lastfy;
         $('#' + id + '_jGraduate_match_ctr').change(function () {
           showFocus = !this.checked;
           focusCoord.toggle(showFocus);
           attrInput.fx.val('');
           attrInput.fy.val('');
           var grad = curGradient;
+
           if (!showFocus) {
             lastfx = grad.getAttribute('fx');
             lastfy = grad.getAttribute('fy');
@@ -21485,31 +23107,32 @@
             grad.removeAttribute('fy');
           } else {
             var _fx = lastfx || 0.5;
+
             var _fy = lastfy || 0.5;
+
             grad.setAttribute('fx', _fx);
             grad.setAttribute('fy', _fy);
             attrInput.fx.val(_fx);
             attrInput.fy.val(_fy);
           }
         });
-
         stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
-        numstops = stops.length;
-        // if there are not at least two stops, then
+        numstops = stops.length; // if there are not at least two stops, then
+
         if (numstops < 2) {
           while (numstops < 2) {
             curGradient.append(document.createElementNS(ns.svg, 'stop'));
             ++numstops;
           }
+
           stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
         }
 
-        var slider = void 0;
+        var slider;
 
         var setSlider = function setSlider(e) {
           var _slider = slider,
               offset = _slider.offset;
-
           var div = slider.parent;
           var x = e.pageX - offset.left - parseInt(div.css('border-left-width'));
           if (x > SLIDERW) x = SLIDERW;
@@ -21524,27 +23147,36 @@
               if (x <= 0.01) x = 0.01;
               curGradient.setAttribute('r', x);
               break;
+
             case 'opacity':
               $this.paint.alpha = parseInt(x * 100);
               previewRect.setAttribute('fill-opacity', x);
               break;
+
             case 'ellip':
               scaleX = 1;
               scaleY = 1;
+
               if (x < 0.5) {
                 x /= 0.5; // 0.001
+
                 scaleX = x <= 0 ? 0.01 : x;
               } else if (x > 0.5) {
                 x /= 0.5; // 2
+
                 x = 2 - x;
                 scaleY = x <= 0 ? 0.01 : x;
               }
+
               xform();
               x -= 1;
+
               if (scaleY === x + 1) {
                 x = Math.abs(x);
               }
+
               break;
+
             case 'angle':
               x = x - 0.5;
               angle = x *= 180;
@@ -21552,7 +23184,10 @@
               x /= 100;
               break;
           }
-          slider.elem.css({ 'margin-left': posx });
+
+          slider.elem.css({
+            'margin-left': posx
+          });
           x = Math.round(x * 100);
           slider.input.val(x);
         };
@@ -21562,11 +23197,14 @@
 
         if (curType === 'radialGradient') {
           var tlist = curGradient.gradientTransform.baseVal;
+
           if (tlist.numberOfItems === 2) {
             var t = tlist.getItem(0);
             var s = tlist.getItem(1);
+
             if (t.type === 2 && s.type === 3) {
               var m = s.matrix;
+
               if (m.a !== 1) {
                 ellipVal = Math.round(-(1 - m.a) * 100);
               } else if (m.d !== 1) {
@@ -21576,12 +23214,15 @@
           } else if (tlist.numberOfItems === 3) {
             // Assume [R][T][S]
             var r = tlist.getItem(0);
+
             var _t = tlist.getItem(1);
+
             var _s = tlist.getItem(2);
 
             if (r.type === 4 && _t.type === 2 && _s.type === 3) {
               angleVal = Math.round(r.angle);
               var _m = _s.matrix;
+
               if (_m.a !== 1) {
                 ellipVal = Math.round(-(1 - _m.a) * 100);
               } else if (_m.d !== 1) {
@@ -21613,7 +23254,6 @@
             val: angleVal
           }
         };
-
         $.each(sliders, function (type, data) {
           var handle = $(data.handle);
           handle.mousedown(function (evt) {
@@ -21628,11 +23268,11 @@
             $win.mousemove(dragSlider).mouseup(stopSlider);
             evt.preventDefault();
           });
-
           $(data.input).val(data.val).change(function () {
             var isRad = curType === 'radialGradient';
             var val = +this.value;
             var xpos = 0;
+
             switch (type) {
               case 'radius':
                 if (isRad) curGradient.setAttribute('r', val / 100);
@@ -21647,11 +23287,14 @@
 
               case 'ellip':
                 scaleX = scaleY = 1;
+
                 if (val === 0) {
                   xpos = SLIDERW * 0.5;
                   break;
                 }
+
                 if (val > 99.5) val = 99.5;
+
                 if (val > 0) {
                   scaleY = 1 - val / 100;
                 } else {
@@ -21669,12 +23312,16 @@
                 xpos *= SLIDERW;
                 if (isRad) xform();
             }
+
             if (xpos > SLIDERW) {
               xpos = SLIDERW;
             } else if (xpos < 0) {
               xpos = 0;
             }
-            handle.css({ 'margin-left': xpos - 5 });
+
+            handle.css({
+              'margin-left': xpos - 5
+            });
           }).change();
         });
 
@@ -21686,29 +23333,41 @@
         var stopSlider = function stopSlider(evt) {
           $win.unbind('mousemove', dragSlider).unbind('mouseup', stopSlider);
           slider = null;
-        };
+        }; // --------------
+
 
-        // --------------
         var thisAlpha = ($this.paint.alpha * 255 / 100).toString(16);
+
         while (thisAlpha.length < 2) {
           thisAlpha = '0' + thisAlpha;
         }
+
         thisAlpha = thisAlpha.split('.')[0];
         color = $this.paint.solidColor === 'none' ? '' : $this.paint.solidColor + thisAlpha;
 
         if (!isSolid) {
           color = stops[0].getAttribute('stop-color');
-        }
+        } // This should be done somewhere else, probably
+
 
-        // This should be done somewhere else, probably
         $.extend($.fn.jPicker.defaults.window, {
-          alphaSupport: true, effects: { type: 'show', speed: 0 }
+          alphaSupport: true,
+          effects: {
+            type: 'show',
+            speed: 0
+          }
         });
-
         colPicker.jPicker({
-          window: { title: $settings.window.pickerTitle },
-          images: { clientPath: $settings.images.clientPath },
-          color: { active: color, alphaSupport: true }
+          window: {
+            title: $settings.window.pickerTitle
+          },
+          images: {
+            clientPath: $settings.images.clientPath
+          },
+          color: {
+            active: color,
+            alphaSupport: true
+          }
         }, function (color) {
           $this.paint.type = 'solidColor';
           $this.paint.alpha = color.val('ahex') ? Math.round(color.val('a') / 255 * 100) : 100;
@@ -21718,27 +23377,24 @@
         }, null, function () {
           cancelClicked();
         });
-
         var tabs = $(idref + ' .jGraduate_tabs li');
         tabs.click(function () {
           tabs.removeClass('jGraduate_tab_current');
           $(this).addClass('jGraduate_tab_current');
           $(idref + ' > div').hide();
           var type = $(this).attr('data-type');
-          /* const container = */$(idref + ' .jGraduate_gradPick').show();
+          /* const container = */
+
+          $(idref + ' .jGraduate_gradPick').show();
+
           if (type === 'rg' || type === 'lg') {
             // Show/hide appropriate fields
             $('.jGraduate_' + type + '_field').show();
             $('.jGraduate_' + (type === 'lg' ? 'rg' : 'lg') + '_field').hide();
-
-            $('#' + id + '_jgraduate_rect')[0].setAttribute('fill', 'url(#' + id + '_' + type + '_jgraduate_grad)');
-
-            // Copy stops
+            $('#' + id + '_jgraduate_rect')[0].setAttribute('fill', 'url(#' + id + '_' + type + '_jgraduate_grad)'); // Copy stops
 
             curType = type === 'lg' ? 'linearGradient' : 'radialGradient';
-
             $('#' + id + '_jGraduate_OpacInput').val($this.paint.alpha).change();
-
             var newGrad = $('#' + id + '_' + type + '_jgraduate_grad')[0];
 
             if (curGradient !== newGrad) {
@@ -21748,8 +23404,10 @@
               var sm = spreadMethodOpt.val();
               curGradient.setAttribute('spreadMethod', sm);
             }
+
             showFocus = type === 'rg' && curGradient.getAttribute('fx') != null && !(cx === fx && cy === fy);
             $('#' + id + '_jGraduate_focusCoord').toggle(showFocus);
+
             if (showFocus) {
               $('#' + id + '_jGraduate_match_ctr')[0].checked = false;
             }
@@ -21760,26 +23418,30 @@
         });
         $(idref + ' > div').hide();
         tabs.removeClass('jGraduate_tab_current');
-        var tab = void 0;
+        var tab;
+
         switch ($this.paint.type) {
           case 'linearGradient':
             tab = $(idref + ' .jGraduate_tab_lingrad');
             break;
+
           case 'radialGradient':
             tab = $(idref + ' .jGraduate_tab_radgrad');
             break;
+
           default:
             tab = $(idref + ' .jGraduate_tab_color');
             break;
         }
-        $this.show();
 
-        // jPicker will try to show after a 0ms timeout, so need to fire this after that
+        $this.show(); // jPicker will try to show after a 0ms timeout, so need to fire this after that
+
         setTimeout(function () {
           tab.addClass('jGraduate_tab_current').click();
         }, 10);
       });
     };
+
     return $;
   }
 
@@ -21853,6 +23515,7 @@
       $("#myInputElement").SpinButton(myOptions);
     });
    */
+
   /**
    * @function module:jQuerySpinButton.jQuerySpinButton
    * @param {external:jQuery} $ The jQuery object to which to add the plug-in
@@ -21862,7 +23525,9 @@
     if (!$.loadingStylesheets) {
       $.loadingStylesheets = [];
     }
+
     var stylesheet = 'spinbtn/jQuery.SpinButton.css';
+
     if (!$.loadingStylesheets.includes(stylesheet)) {
       $.loadingStylesheets.push(stylesheet);
     }
@@ -21870,11 +23535,13 @@
     * @callback module:jQuerySpinButton.StepCallback
     * @param {external:jQuery} thisArg Value of `this`
     */
+
     /**
     * @callback module:jQuerySpinButton.ValueCallback
     * @param {external:jQuery} thisArg Value of `this`
     * @param {Float} value Value that was changed
     */
+
     /**
      * @typedef {PlainObject} module:jQuerySpinButton.SpinButtonConfig
      * @property {Float} min Set lower limit
@@ -21893,17 +23560,21 @@
      * @property {Float} delay Millisecond delay
      * @property {Float} interval Millisecond interval
     */
+
     /**
     * @function external:jQuery.fn.SpinButton
     * @param {module:jQuerySpinButton.SpinButtonConfig} cfg
     * @returns {external:jQuery}
     */
+
+
     $.fn.SpinButton = function (cfg) {
       cfg = cfg || {};
+
       function coord(el, prop) {
         var b = document.body;
-
         var c = el[prop];
+
         while ((el = el.offsetParent) && el !== b) {
           if (!$.browser.msie || el.currentStyle.position !== 'relative') {
             c += el[prop];
@@ -21914,14 +23585,14 @@
       }
 
       return this.each(function () {
-        this.repeating = false;
-
-        // Apply specified options or defaults:
+        this.repeating = false; // Apply specified options or defaults:
         // (Ought to refactor this some day to use $.extend() instead)
+
         this.spinCfg = {
           // min: cfg.min ? Number(cfg.min) : null,
           // max: cfg.max ? Number(cfg.max) : null,
-          min: !isNaN(parseFloat(cfg.min)) ? Number(cfg.min) : null, // Fixes bug with min:0
+          min: !isNaN(parseFloat(cfg.min)) ? Number(cfg.min) : null,
+          // Fixes bug with min:0
           max: !isNaN(parseFloat(cfg.max)) ? Number(cfg.max) : null,
           step: cfg.step ? Number(cfg.step) : 1,
           stepfunc: cfg.stepfunc || false,
@@ -21936,13 +23607,13 @@
           _delay: null,
           _repeat: null,
           callback: cfg.callback || null
-        };
+        }; // if a smallStep isn't supplied, use half the regular step
 
-        // if a smallStep isn't supplied, use half the regular step
         this.spinCfg.smallStep = cfg.smallStep || this.spinCfg.step / 2;
 
         this.adjustValue = function (i) {
-          var v = void 0;
+          var v;
+
           if (isNaN(this.value)) {
             v = this.spinCfg.reset;
           } else if (typeof this.spinCfg.stepfunc === 'function') {
@@ -21951,13 +23622,17 @@
             // weirdest JavaScript bug ever: 5.1 + 0.1 = 5.199999999
             v = Number((Number(this.value) + Number(i)).toFixed(5));
           }
+
           if (this.spinCfg.min !== null) {
             v = Math.max(v, this.spinCfg.min);
           }
+
           if (this.spinCfg.max !== null) {
             v = Math.min(v, this.spinCfg.max);
           }
+
           this.value = v;
+
           if (typeof this.spinCfg.callback === 'function') {
             this.spinCfg.callback(this);
           }
@@ -21970,7 +23645,6 @@
           var el = e.target;
           var scale = cfg.stateObj.tool_scale || 1;
           var height = $(el).height() / 2;
-
           var direction = x > coord(el, 'offsetLeft') + el.offsetWidth * scale - this.spinCfg._btn_width ? y < coord(el, 'offsetTop') + height * scale ? 1 : -1 : 0;
 
           if (direction !== this.spinCfg._direction) {
@@ -21980,16 +23654,18 @@
                 // Up arrow:
                 $(this).removeClass(this.spinCfg.downClass).addClass(this.spinCfg.upClass);
                 break;
+
               case -1:
                 // Down arrow:
                 $(this).removeClass(this.spinCfg.upClass).addClass(this.spinCfg.downClass);
                 break;
+
               default:
                 // Mouse is elsewhere in the textbox
                 $(this).removeClass(this.spinCfg.upClass).removeClass(this.spinCfg.downClass);
-            }
+            } // Set spin direction:
+
 
-            // Set spin direction:
             this.spinCfg._direction = direction;
           }
         }).mouseout(function () {
@@ -22009,12 +23685,11 @@
               _this.adjustValue(_this.spinCfg._direction * stepSize);
             };
 
-            adjust();
+            adjust(); // Initial delay before repeating adjustment
 
-            // Initial delay before repeating adjustment
             this.spinCfg._delay = window.setTimeout(function () {
-              adjust();
-              // Repeat adjust at regular intervals
+              adjust(); // Repeat adjust at regular intervals
+
               _this.spinCfg._repeat = window.setInterval(adjust, _this.spinCfg.interval);
             }, this.spinCfg.delay);
           }
@@ -22030,16 +23705,26 @@
           // Respond to up/down arrow keys.
           switch (e.keyCode) {
             case 38:
-              this.adjustValue(this.spinCfg.step);break; // Up
+              this.adjustValue(this.spinCfg.step);
+              break;
+            // Up
+
             case 40:
-              this.adjustValue(-this.spinCfg.step);break; // Down
+              this.adjustValue(-this.spinCfg.step);
+              break;
+            // Down
+
             case 33:
-              this.adjustValue(this.spinCfg.page);break; // PageUp
+              this.adjustValue(this.spinCfg.page);
+              break;
+            // PageUp
+
             case 34:
-              this.adjustValue(-this.spinCfg.page);break; // PageDown
+              this.adjustValue(-this.spinCfg.page);
+              break;
+            // PageDown
           }
         })
-
         /*
         http://unixpapa.com/js/key.html describes the current state-of-affairs for
         key repeat events:
@@ -22051,30 +23736,46 @@
             // Respond to up/down arrow keys.
             switch (e.keyCode) {
               case 38:
-                this.adjustValue(this.spinCfg.step);break; // Up
+                this.adjustValue(this.spinCfg.step);
+                break;
+              // Up
+
               case 40:
-                this.adjustValue(-this.spinCfg.step);break; // Down
+                this.adjustValue(-this.spinCfg.step);
+                break;
+              // Down
+
               case 33:
-                this.adjustValue(this.spinCfg.page);break; // PageUp
+                this.adjustValue(this.spinCfg.page);
+                break;
+              // PageUp
+
               case 34:
-                this.adjustValue(-this.spinCfg.page);break; // PageDown
-            }
-            // we always ignore the first keypress event (use the keydown instead)
+                this.adjustValue(-this.spinCfg.page);
+                break;
+              // PageDown
+            } // we always ignore the first keypress event (use the keydown instead)
+
           } else {
             this.repeating = true;
           }
-        })
-
-        // clear the 'repeating' flag
+        }) // clear the 'repeating' flag
         .keyup(function (e) {
           this.repeating = false;
+
           switch (e.keyCode) {
             case 38: // Up
+
             case 40: // Down
+
             case 33: // PageUp
+
             case 34: // PageDown
+
             case 13:
-              this.adjustValue(0);break; // Enter/Return
+              this.adjustValue(0);
+              break;
+            // Enter/Return
           }
         }).bind('mousewheel', function (e) {
           // Respond to mouse wheel in IE. (It returns up/dn motion in multiples of 120)
@@ -22103,6 +23804,7 @@
         }
       });
     };
+
     return $;
   }
 
@@ -22125,7 +23827,6 @@
    *   and the MIT License and is copyright A Beautiful Site, LLC.
    *
   */
-
   /**
   * @callback module:jQueryContextMenu.jQueryContextMenuCallback
   * @param {string} href The `href` value after the first character (for bypassing an initial `#`)
@@ -22147,10 +23848,10 @@
   * @param {external:jQuery} $ The jQuery object to wrap (with `contextMenu`, `disableContextMenuItems`, `enableContextMenuItems`, `disableContextMenu`, `enableContextMenu`, `destroyContextMenu`)
   * @returns {external:jQuery}
   */
+
   function jQueryContextMenu($) {
     var win = $(window);
     var doc = $(document);
-
     $.extend($.fn, {
       /**
       * @memberof external:jQuery.fn
@@ -22162,55 +23863,52 @@
         // Defaults
         if (o.menu === undefined) return false;
         if (o.inSpeed === undefined) o.inSpeed = 150;
-        if (o.outSpeed === undefined) o.outSpeed = 75;
-        // 0 needs to be -1 for expected results (no fade)
+        if (o.outSpeed === undefined) o.outSpeed = 75; // 0 needs to be -1 for expected results (no fade)
+
         if (o.inSpeed === 0) o.inSpeed = -1;
-        if (o.outSpeed === 0) o.outSpeed = -1;
-        // Loop each context menu
+        if (o.outSpeed === 0) o.outSpeed = -1; // Loop each context menu
+
         $(this).each(function () {
           var el = $(this);
           var offset = $(el).offset();
+          var menu = $('#' + o.menu); // Add contextMenu class
 
-          var menu = $('#' + o.menu);
+          menu.addClass('contextMenu'); // Simulate a true right click
 
-          // Add contextMenu class
-          menu.addClass('contextMenu');
-          // Simulate a true right click
           $(this).bind('mousedown', function (e) {
             var evt = e;
             $(this).mouseup(function (e) {
               var srcElement = $(this);
               srcElement.unbind('mouseup');
+
               if (evt.button === 2 || o.allowLeft || evt.ctrlKey && isMac()) {
-                e.stopPropagation();
-                // Hide context menus that may be showing
-                $('.contextMenu').hide();
-                // Get this context menu
+                e.stopPropagation(); // Hide context menus that may be showing
 
-                if (el.hasClass('disabled')) return false;
+                $('.contextMenu').hide(); // Get this context menu
+
+                if (el.hasClass('disabled')) return false; // Detect mouse position
 
-                // Detect mouse position
                 var x = e.pageX,
                     y = e.pageY;
-
                 var xOff = win.width() - menu.width(),
                     yOff = win.height() - menu.height();
-
                 if (x > xOff - 15) x = xOff - 15;
                 if (y > yOff - 30) y = yOff - 30; // 30 is needed to prevent scrollbars in FF
-
                 // Show the menu
+
                 doc.unbind('click');
-                menu.css({ top: y, left: x }).fadeIn(o.inSpeed);
-                // Hover events
+                menu.css({
+                  top: y,
+                  left: x
+                }).fadeIn(o.inSpeed); // Hover events
+
                 menu.find('A').mouseover(function () {
                   menu.find('LI.hover').removeClass('hover');
                   $(this).parent().addClass('hover');
                 }).mouseout(function () {
                   menu.find('LI.hover').removeClass('hover');
-                });
+                }); // Keyboard
 
-                // Keyboard
                 doc.keypress(function (e) {
                   switch (e.keyCode) {
                     case 38:
@@ -22221,7 +23919,9 @@
                         menu.find('LI.hover').removeClass('hover').prevAll('LI:not(.disabled)').eq(0).addClass('hover');
                         if (!menu.find('LI.hover').length) menu.find('LI:last').addClass('hover');
                       }
+
                       break;
+
                     case 40:
                       // down
                       if (!menu.find('LI.hover').length) {
@@ -22230,31 +23930,38 @@
                         menu.find('LI.hover').removeClass('hover').nextAll('LI:not(.disabled)').eq(0).addClass('hover');
                         if (!menu.find('LI.hover').length) menu.find('LI:first').addClass('hover');
                       }
+
                       break;
+
                     case 13:
                       // enter
                       menu.find('LI.hover A').trigger('click');
                       break;
+
                     case 27:
                       // esc
                       doc.trigger('click');
                       break;
                   }
-                });
+                }); // When items are selected
 
-                // When items are selected
                 menu.find('A').unbind('mouseup');
                 menu.find('LI:not(.disabled) A').mouseup(function () {
                   doc.unbind('click').unbind('keypress');
-                  $('.contextMenu').hide();
-                  // Callback
-                  if (callback) {
-                    callback($(this).attr('href').substr(1), $(srcElement), { x: x - offset.left, y: y - offset.top, docX: x, docY: y });
-                  }
-                  return false;
-                });
+                  $('.contextMenu').hide(); // Callback
+
+                  if (callback) {
+                    callback($(this).attr('href').substr(1), $(srcElement), {
+                      x: x - offset.left,
+                      y: y - offset.top,
+                      docX: x,
+                      docY: y
+                    });
+                  }
+
+                  return false;
+                }); // Hide bindings
 
-                // Hide bindings
                 setTimeout(function () {
                   // Delay for Mozilla
                   doc.click(function () {
@@ -22265,12 +23972,13 @@
                 }, 0);
               }
             });
-          });
+          }); // Disable text selection
 
-          // Disable text selection
           if ($.browser.mozilla) {
             $('#' + o.menu).each(function () {
-              $(this).css({ MozUserSelect: 'none' });
+              $(this).css({
+                MozUserSelect: 'none'
+              });
             });
           } else if ($.browser.msie) {
             $('#' + o.menu).each(function () {
@@ -22284,8 +23992,9 @@
                 return false;
               });
             });
-          }
-          // Disable browser context menu (requires both selectors to work in IE/Safari + FF/Chrome)
+          } // Disable browser context menu (requires both selectors to work in IE/Safari + FF/Chrome)
+
+
           $(el).add($('UL.contextMenu')).bind('contextmenu', function () {
             return false;
           });
@@ -22293,7 +24002,6 @@
         return $(this);
       },
 
-
       /**
       * Disable context menu items on the fly
       * @memberof external:jQuery.fn
@@ -22306,9 +24014,11 @@
           $(this).find('LI').addClass('disabled');
           return $(this);
         }
+
         $(this).each(function () {
           if (o !== undefined) {
             var d = o.split(',');
+
             for (var i = 0; i < d.length; i++) {
               $(this).find('A[href="' + d[i] + '"]').parent().addClass('disabled');
             }
@@ -22317,7 +24027,6 @@
         return $(this);
       },
 
-
       /**
       * Enable context menu items on the fly
       * @memberof external:jQuery.fn
@@ -22330,9 +24039,11 @@
           $(this).find('LI.disabled').removeClass('disabled');
           return $(this);
         }
+
         $(this).each(function () {
           if (o !== undefined) {
             var d = o.split(',');
+
             for (var i = 0; i < d.length; i++) {
               $(this).find('A[href="' + d[i] + '"]').parent().removeClass('disabled');
             }
@@ -22341,7 +24052,6 @@
         return $(this);
       },
 
-
       /**
       * Disable context menu(s)
       * @memberof external:jQuery.fn
@@ -22354,7 +24064,6 @@
         return $(this);
       },
 
-
       /**
       * Enable context menu(s)
       * @memberof external:jQuery.fn
@@ -22367,7 +24076,6 @@
         return $(this);
       },
 
-
       /**
       * Destroy context menu(s)
       * @memberof external:jQuery.fn
@@ -22405,6 +24113,7 @@
   /**
   * @external Math
   */
+
   /**
   * @memberof external:Math
   * @param {Float} value
@@ -22415,12 +24124,13 @@
     if (precision === undefined) precision = 0;
     return Math.round(value * Math.pow(10, precision)) / Math.pow(10, precision);
   }
-
   /**
   * @function module:jPicker.jPicker
   * @param {external:jQuery} $ The jQuery object to wrap (with {@link external:jQuery.loadingStylesheets}, {@link external:jQuery.fn.$.fn.jPicker}, {@link external:jQuery.fn.$.fn.jPicker.defaults})
   * @returns {external:jQuery}
   */
+
+
   var jPicker = function jPicker($) {
     if (!$.loadingStylesheets) {
       /**
@@ -22430,7 +24140,9 @@
       */
       $.loadingStylesheets = [];
     }
+
     var stylesheet = 'jgraduate/css/jPicker.css';
+
     if (!$.loadingStylesheets.includes(stylesheet)) {
       $.loadingStylesheets.push(stylesheet);
     }
@@ -22451,27 +24163,35 @@
     * @param {external:jQuery} bar
     * @param {module:jPicker.SliderOptions} options
     */
+
+
     function Slider(bar, options) {
       var $this = this;
+
       function fireChangeEvents(context) {
         for (var i = 0; i < changeEvents.length; i++) {
           changeEvents[i].call($this, $this, context);
         }
-      }
-      // bind the mousedown to the bar not the arrow for quick snapping to the clicked location
+      } // bind the mousedown to the bar not the arrow for quick snapping to the clicked location
+
+
       function mouseDown(e) {
         var off = bar.offset();
-        offset = { l: off.left | 0, t: off.top | 0 };
-        clearTimeout(timeout);
-        // using setTimeout for visual updates - once the style is updated the browser will re-render internally allowing the next Javascript to run
+        offset = {
+          l: off.left | 0,
+          t: off.top | 0
+        };
+        clearTimeout(timeout); // using setTimeout for visual updates - once the style is updated the browser will re-render internally allowing the next Javascript to run
+
         timeout = setTimeout(function () {
           setValuesFromMousePosition.call($this, e);
-        }, 0);
-        // Bind mousemove and mouseup event to the document so it responds when dragged of of the bar - we will unbind these when on mouseup to save processing
+        }, 0); // Bind mousemove and mouseup event to the document so it responds when dragged of of the bar - we will unbind these when on mouseup to save processing
+
         $(document).bind('mousemove', mouseMove).bind('mouseup', mouseUp);
         e.preventDefault(); // don't try to select anything or drag the image to the desktop
-      }
-      // set the values as the mouse moves
+      } // set the values as the mouse moves
+
+
       function mouseMove(e) {
         clearTimeout(timeout);
         timeout = setTimeout(function () {
@@ -22480,26 +24200,32 @@
         e.stopPropagation();
         e.preventDefault();
         return false;
-      }
-      // unbind the document events - they aren't needed when not dragging
+      } // unbind the document events - they aren't needed when not dragging
+
+
       function mouseUp(e) {
         $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);
         e.stopPropagation();
         e.preventDefault();
         return false;
-      }
-      // calculate mouse position and set value within the current range
+      } // calculate mouse position and set value within the current range
+
+
       function setValuesFromMousePosition(e) {
         var barW = bar.w,
             // local copies for YUI compressor
         barH = bar.h;
         var locX = e.pageX - offset.l,
-            locY = e.pageY - offset.t;
-        // keep the arrow within the bounds of the bar
+            locY = e.pageY - offset.t; // keep the arrow within the bounds of the bar
+
         if (locX < 0) locX = 0;else if (locX > barW) locX = barW;
         if (locY < 0) locY = 0;else if (locY > barH) locY = barH;
-        val.call($this, 'xy', { x: locX / barW * rangeX + minX, y: locY / barH * rangeY + minY });
+        val.call($this, 'xy', {
+          x: locX / barW * rangeX + minX,
+          y: locY / barH * rangeY + minY
+        });
       }
+
       function draw() {
         var barW = bar.w,
             barH = bar.h,
@@ -22513,118 +24239,167 @@
             // constrain to bounds
             if (x === maxX) arrowOffsetX = barW;else arrowOffsetX = x / rangeX * barW | 0;
           }
+
           if (rangeY > 0) {
             // range is greater than zero
             // constrain to bounds
             if (y === maxY) arrowOffsetY = barH;else arrowOffsetY = y / rangeY * barH | 0;
-          }
-          // if arrow width is greater than bar width, center arrow and prevent horizontal dragging
+          } // if arrow width is greater than bar width, center arrow and prevent horizontal dragging
+
+
           if (arrowW >= barW) arrowOffsetX = (barW >> 1) - (arrowW >> 1); // number >> 1 - superfast bitwise divide by two and truncate (move bits over one bit discarding lowest)
-          else arrowOffsetX -= arrowW >> 1;
-          // if arrow height is greater than bar height, center arrow and prevent vertical dragging
-          if (arrowH >= barH) arrowOffsetY = (barH >> 1) - (arrowH >> 1);else arrowOffsetY -= arrowH >> 1;
-          // set the arrow position based on these offsets
-          arrow.css({ left: arrowOffsetX + 'px', top: arrowOffsetY + 'px' });
+          else arrowOffsetX -= arrowW >> 1; // if arrow height is greater than bar height, center arrow and prevent vertical dragging
+
+          if (arrowH >= barH) arrowOffsetY = (barH >> 1) - (arrowH >> 1);else arrowOffsetY -= arrowH >> 1; // set the arrow position based on these offsets
+
+          arrow.css({
+            left: arrowOffsetX + 'px',
+            top: arrowOffsetY + 'px'
+          });
         }, 0);
       }
+
       function val(name, value, context) {
-        var set$$1 = value !== undefined;
-        if (!set$$1) {
+        var set = value !== undefined;
+
+        if (!set) {
           if (name === undefined || name == null) name = 'xy';
+
           switch (name.toLowerCase()) {
             case 'x':
               return x;
+
             case 'y':
               return y;
+
             case 'xy':
             default:
-              return { x: x, y: y };
+              return {
+                x: x,
+                y: y
+              };
           }
         }
+
         if (context != null && context === $this) return;
         var changed = false;
-
-        var newX = void 0,
-            newY = void 0;
+        var newX, newY;
         if (name == null) name = 'xy';
+
         switch (name.toLowerCase()) {
           case 'x':
             newX = value && (value.x && value.x | 0 || value | 0) || 0;
             break;
+
           case 'y':
             newY = value && (value.y && value.y | 0 || value | 0) || 0;
             break;
+
           case 'xy':
           default:
             newX = value && value.x && value.x | 0 || 0;
             newY = value && value.y && value.y | 0 || 0;
             break;
         }
+
         if (newX != null) {
           if (newX < minX) newX = minX;else if (newX > maxX) newX = maxX;
+
           if (x !== newX) {
             x = newX;
             changed = true;
           }
         }
+
         if (newY != null) {
           if (newY < minY) newY = minY;else if (newY > maxY) newY = maxY;
+
           if (y !== newY) {
             y = newY;
             changed = true;
           }
         }
+
         changed && fireChangeEvents.call($this, context || $this);
       }
+
       function range(name, value) {
-        var set$$1 = value !== undefined;
-        if (!set$$1) {
+        var set = value !== undefined;
+
+        if (!set) {
           if (name === undefined || name == null) name = 'all';
+
           switch (name.toLowerCase()) {
             case 'minx':
               return minX;
+
             case 'maxx':
               return maxX;
+
             case 'rangex':
-              return { minX: minX, maxX: maxX, rangeX: rangeX };
+              return {
+                minX: minX,
+                maxX: maxX,
+                rangeX: rangeX
+              };
+
             case 'miny':
               return minY;
+
             case 'maxy':
               return maxY;
+
             case 'rangey':
-              return { minY: minY, maxY: maxY, rangeY: rangeY };
+              return {
+                minY: minY,
+                maxY: maxY,
+                rangeY: rangeY
+              };
+
             case 'all':
             default:
-              return { minX: minX, maxX: maxX, rangeX: rangeX, minY: minY, maxY: maxY, rangeY: rangeY };
+              return {
+                minX: minX,
+                maxX: maxX,
+                rangeX: rangeX,
+                minY: minY,
+                maxY: maxY,
+                rangeY: rangeY
+              };
           }
         }
+
         var // changed = false,
-        newMinX = void 0,
-            newMaxX = void 0,
-            newMinY = void 0,
-            newMaxY = void 0;
+        newMinX, newMaxX, newMinY, newMaxY;
         if (name == null) name = 'all';
+
         switch (name.toLowerCase()) {
           case 'minx':
             newMinX = value && (value.minX && value.minX | 0 || value | 0) || 0;
             break;
+
           case 'maxx':
             newMaxX = value && (value.maxX && value.maxX | 0 || value | 0) || 0;
             break;
+
           case 'rangex':
             newMinX = value && value.minX && value.minX | 0 || 0;
             newMaxX = value && value.maxX && value.maxX | 0 || 0;
             break;
+
           case 'miny':
             newMinY = value && (value.minY && value.minY | 0 || value | 0) || 0;
             break;
+
           case 'maxy':
             newMaxY = value && (value.maxY && value.maxY | 0 || value | 0) || 0;
             break;
+
           case 'rangey':
             newMinY = value && value.minY && value.minY | 0 || 0;
             newMaxY = value && value.maxY && value.maxY | 0 || 0;
             break;
+
           case 'all':
           default:
             newMinX = value && value.minX && value.minX | 0 || 0;
@@ -22633,33 +24408,41 @@
             newMaxY = value && value.maxY && value.maxY | 0 || 0;
             break;
         }
+
         if (newMinX != null && minX !== newMinX) {
           minX = newMinX;
           rangeX = maxX - minX;
         }
+
         if (newMaxX != null && maxX !== newMaxX) {
           maxX = newMaxX;
           rangeX = maxX - minX;
         }
+
         if (newMinY != null && minY !== newMinY) {
           minY = newMinY;
           rangeY = maxY - minY;
         }
+
         if (newMaxY != null && maxY !== newMaxY) {
           maxY = newMaxY;
           rangeY = maxY - minY;
         }
       }
+
       function bind(callback) {
         if (typeof callback === 'function') changeEvents.push(callback);
       }
+
       function unbind(callback) {
         if (typeof callback !== 'function') return;
-        var i = void 0;
+        var i;
+
         while (i = changeEvents.includes(callback)) {
           changeEvents.splice(i, 1);
         }
       }
+
       function destroy() {
         // unbind all possible events and null objects
         $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);
@@ -22668,8 +24451,9 @@
         arrow = null;
         changeEvents = null;
       }
-      var offset = void 0,
-          timeout = void 0,
+
+      var offset,
+          timeout,
           x = 0,
           y = 0,
           minX = 0,
@@ -22681,7 +24465,6 @@
           arrow = bar.find('img:first'),
           // the arrow image to drag
       changeEvents = [];
-
       $.extend(true, $this, // public properties, methods, and event bindings - these we need to access from other controls
       {
         val: val,
@@ -22689,25 +24472,28 @@
         bind: bind,
         unbind: unbind,
         destroy: destroy
-      });
-      // initialize this control
+      }); // initialize this control
+
       arrow.src = options.arrow && options.arrow.image;
       arrow.w = options.arrow && options.arrow.width || arrow.width();
       arrow.h = options.arrow && options.arrow.height || arrow.height();
       bar.w = options.map && options.map.width || bar.width();
-      bar.h = options.map && options.map.height || bar.height();
-      // bind mousedown event
+      bar.h = options.map && options.map.height || bar.height(); // bind mousedown event
+
       bar.bind('mousedown', mouseDown);
       bind.call($this, draw);
-    }
-    // controls for all the input elements for the typing in color values
+    } // controls for all the input elements for the typing in color values
+
+
     function ColorValuePicker(picker, color, bindedHex, alphaPrecision) {
       var $this = this; // private properties and methods
-      var inputs = picker.find('td.Text input');
-      // input box key down - use arrows to alter color
+
+      var inputs = picker.find('td.Text input'); // input box key down - use arrows to alter color
+
       function keyDown(e) {
         if (e.target.value === '' && e.target !== hex.get(0) && (bindedHex != null && e.target !== bindedHex.get(0) || bindedHex == null)) return;
         if (!validateKey(e)) return e;
+
         switch (e.target) {
           case red.get(0):
             switch (e.keyCode) {
@@ -22715,163 +24501,212 @@
                 red.val(setValueInRange.call($this, (red.val() << 0) + 1, 0, 255));
                 color.val('r', red.val(), e.target);
                 return false;
+
               case 40:
                 red.val(setValueInRange.call($this, (red.val() << 0) - 1, 0, 255));
                 color.val('r', red.val(), e.target);
                 return false;
             }
+
             break;
+
           case green.get(0):
             switch (e.keyCode) {
               case 38:
                 green.val(setValueInRange.call($this, (green.val() << 0) + 1, 0, 255));
                 color.val('g', green.val(), e.target);
                 return false;
+
               case 40:
                 green.val(setValueInRange.call($this, (green.val() << 0) - 1, 0, 255));
                 color.val('g', green.val(), e.target);
                 return false;
             }
+
             break;
+
           case blue.get(0):
             switch (e.keyCode) {
               case 38:
                 blue.val(setValueInRange.call($this, (blue.val() << 0) + 1, 0, 255));
                 color.val('b', blue.val(), e.target);
                 return false;
+
               case 40:
                 blue.val(setValueInRange.call($this, (blue.val() << 0) - 1, 0, 255));
                 color.val('b', blue.val(), e.target);
                 return false;
             }
+
             break;
+
           case alpha && alpha.get(0):
             switch (e.keyCode) {
               case 38:
                 alpha.val(setValueInRange.call($this, parseFloat(alpha.val()) + 1, 0, 100));
                 color.val('a', toFixedNumeric(alpha.val() * 255 / 100, alphaPrecision), e.target);
                 return false;
+
               case 40:
                 alpha.val(setValueInRange.call($this, parseFloat(alpha.val()) - 1, 0, 100));
                 color.val('a', toFixedNumeric(alpha.val() * 255 / 100, alphaPrecision), e.target);
                 return false;
             }
+
             break;
+
           case hue.get(0):
             switch (e.keyCode) {
               case 38:
                 hue.val(setValueInRange.call($this, (hue.val() << 0) + 1, 0, 360));
                 color.val('h', hue.val(), e.target);
                 return false;
+
               case 40:
                 hue.val(setValueInRange.call($this, (hue.val() << 0) - 1, 0, 360));
                 color.val('h', hue.val(), e.target);
                 return false;
             }
+
             break;
+
           case saturation.get(0):
             switch (e.keyCode) {
               case 38:
                 saturation.val(setValueInRange.call($this, (saturation.val() << 0) + 1, 0, 100));
                 color.val('s', saturation.val(), e.target);
                 return false;
+
               case 40:
                 saturation.val(setValueInRange.call($this, (saturation.val() << 0) - 1, 0, 100));
                 color.val('s', saturation.val(), e.target);
                 return false;
             }
+
             break;
+
           case value.get(0):
             switch (e.keyCode) {
               case 38:
                 value.val(setValueInRange.call($this, (value.val() << 0) + 1, 0, 100));
                 color.val('v', value.val(), e.target);
                 return false;
+
               case 40:
                 value.val(setValueInRange.call($this, (value.val() << 0) - 1, 0, 100));
                 color.val('v', value.val(), e.target);
                 return false;
             }
+
             break;
         }
-      }
-      // input box key up - validate value and set color
+      } // input box key up - validate value and set color
+
+
       function keyUp(e) {
         if (e.target.value === '' && e.target !== hex.get(0) && (bindedHex != null && e.target !== bindedHex.get(0) || bindedHex == null)) return;
         if (!validateKey(e)) return e;
+
         switch (e.target) {
           case red.get(0):
             red.val(setValueInRange.call($this, red.val(), 0, 255));
             color.val('r', red.val(), e.target);
             break;
+
           case green.get(0):
             green.val(setValueInRange.call($this, green.val(), 0, 255));
             color.val('g', green.val(), e.target);
             break;
+
           case blue.get(0):
             blue.val(setValueInRange.call($this, blue.val(), 0, 255));
             color.val('b', blue.val(), e.target);
             break;
+
           case alpha && alpha.get(0):
             alpha.val(setValueInRange.call($this, alpha.val(), 0, 100));
             color.val('a', toFixedNumeric(alpha.val() * 255 / 100, alphaPrecision), e.target);
             break;
+
           case hue.get(0):
             hue.val(setValueInRange.call($this, hue.val(), 0, 360));
             color.val('h', hue.val(), e.target);
             break;
+
           case saturation.get(0):
             saturation.val(setValueInRange.call($this, saturation.val(), 0, 100));
             color.val('s', saturation.val(), e.target);
             break;
+
           case value.get(0):
             value.val(setValueInRange.call($this, value.val(), 0, 100));
             color.val('v', value.val(), e.target);
             break;
+
           case hex.get(0):
             hex.val(hex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 6));
             bindedHex && bindedHex.val(hex.val());
             color.val('hex', hex.val() !== '' ? hex.val() : null, e.target);
             break;
+
           case bindedHex && bindedHex.get(0):
             bindedHex.val(bindedHex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 6));
             hex.val(bindedHex.val());
             color.val('hex', bindedHex.val() !== '' ? bindedHex.val() : null, e.target);
             break;
+
           case ahex && ahex.get(0):
             ahex.val(ahex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 2));
             color.val('a', ahex.val() != null ? parseInt(ahex.val(), 16) : null, e.target);
             break;
         }
-      }
-      // input box blur - reset to original if value empty
+      } // input box blur - reset to original if value empty
+
+
       function blur(e) {
         if (color.val() != null) {
           switch (e.target) {
             case red.get(0):
-              red.val(color.val('r'));break;
+              red.val(color.val('r'));
+              break;
+
             case green.get(0):
-              green.val(color.val('g'));break;
+              green.val(color.val('g'));
+              break;
+
             case blue.get(0):
-              blue.val(color.val('b'));break;
+              blue.val(color.val('b'));
+              break;
+
             case alpha && alpha.get(0):
-              alpha.val(toFixedNumeric(color.val('a') * 100 / 255, alphaPrecision));break;
+              alpha.val(toFixedNumeric(color.val('a') * 100 / 255, alphaPrecision));
+              break;
+
             case hue.get(0):
-              hue.val(color.val('h'));break;
+              hue.val(color.val('h'));
+              break;
+
             case saturation.get(0):
-              saturation.val(color.val('s'));break;
+              saturation.val(color.val('s'));
+              break;
+
             case value.get(0):
-              value.val(color.val('v'));break;
+              value.val(color.val('v'));
+              break;
+
             case hex.get(0):
             case bindedHex && bindedHex.get(0):
               hex.val(color.val('hex'));
               bindedHex && bindedHex.val(color.val('hex'));
               break;
+
             case ahex && ahex.get(0):
-              ahex.val(color.val('ahex').substring(6));break;
+              ahex.val(color.val('ahex').substring(6));
+              break;
           }
         }
       }
+
       function validateKey(e) {
         switch (e.keyCode) {
           case 9:
@@ -22880,19 +24715,23 @@
           case 37:
           case 39:
             return false;
+
           case 'c'.charCodeAt():
           case 'v'.charCodeAt():
             if (e.ctrlKey) return false;
         }
+
         return true;
-      }
-      // constrain value within range
+      } // constrain value within range
+
+
       function setValueInRange(value, min, max) {
         if (value === '' || isNaN(value)) return min;
         if (value > max) return max;
         if (value < min) return min;
         return value;
       }
+
       function colorChanged(ui, context) {
         var all = ui.val('all');
         if (context !== red.get(0)) red.val(all != null ? all.r : '');
@@ -22906,6 +24745,7 @@
         if (bindedHex && context !== bindedHex.get(0) && context !== hex.get(0)) bindedHex.val(all != null ? all.hex : '');
         if (ahex && context !== ahex.get(0)) ahex.val(all != null ? all.ahex.substring(6) : '');
       }
+
       function destroy() {
         // unbind all events and null objects
         red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).add(hex).add(bindedHex).add(ahex).unbind('keyup', keyUp).unbind('blur', blur);
@@ -22921,6 +24761,7 @@
         hex = null;
         ahex = null;
       }
+
       var red = inputs.eq(3),
           green = inputs.eq(4),
           blue = inputs.eq(5),
@@ -22938,7 +24779,6 @@
       red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).bind('keydown', keyDown);
       color.bind(colorChanged);
     }
-
     /**
     * @typedef {PlainObject} module:jPicker.JPickerInit
     * @property {Integer} a
@@ -22956,12 +24796,17 @@
     * @namespace {PlainObject} jPicker
     * @memberof external:jQuery
     */
-    $.jPicker = /** @lends external:jQuery.jPicker */{
+
+
+    $.jPicker =
+    /** @lends external:jQuery.jPicker */
+    {
       /**
       * Array holding references to each active instance of the jPicker control
       * @type {external:jQuery.fn.$.fn.jPicker[]}
       */
       List: [],
+
       /**
       * Color object - we will be able to assign by any color space type or
       * retrieve any color space info.
@@ -22975,102 +24820,149 @@
       */
       Color: function Color(init) {
         var $this = this;
+
         function fireChangeEvents(context) {
           for (var i = 0; i < changeEvents.length; i++) {
             changeEvents[i].call($this, $this, context);
           }
         }
+
         function val(name, value, context) {
           // Kind of ugly
-          var set$$1 = Boolean(value);
-          if (set$$1 && value.ahex === '') value.ahex = '00000000';
-          if (!set$$1) {
+          var set = Boolean(value);
+          if (set && value.ahex === '') value.ahex = '00000000';
+
+          if (!set) {
             if (name === undefined || name == null || name === '') name = 'all';
             if (r == null) return null;
+
             switch (name.toLowerCase()) {
               case 'ahex':
-                return ColorMethods.rgbaToHex({ r: r, g: g, b: b, a: a });
+                return ColorMethods.rgbaToHex({
+                  r: r,
+                  g: g,
+                  b: b,
+                  a: a
+                });
+
               case 'hex':
                 return val('ahex').substring(0, 6);
+
               case 'all':
-                return { r: r, g: g, b: b, a: a, h: h, s: s, v: v, hex: val.call($this, 'hex'), ahex: val.call($this, 'ahex') };
+                return {
+                  r: r,
+                  g: g,
+                  b: b,
+                  a: a,
+                  h: h,
+                  s: s,
+                  v: v,
+                  hex: val.call($this, 'hex'),
+                  ahex: val.call($this, 'ahex')
+                };
+
               default:
                 var ret = {};
+
                 for (var i = 0; i < name.length; i++) {
                   switch (name.charAt(i)) {
                     case 'r':
                       if (name.length === 1) ret = r;else ret.r = r;
                       break;
+
                     case 'g':
                       if (name.length === 1) ret = g;else ret.g = g;
                       break;
+
                     case 'b':
                       if (name.length === 1) ret = b;else ret.b = b;
                       break;
+
                     case 'a':
                       if (name.length === 1) ret = a;else ret.a = a;
                       break;
+
                     case 'h':
                       if (name.length === 1) ret = h;else ret.h = h;
                       break;
+
                     case 's':
                       if (name.length === 1) ret = s;else ret.s = s;
                       break;
+
                     case 'v':
                       if (name.length === 1) ret = v;else ret.v = v;
                       break;
                   }
                 }
+
                 return !name.length ? val.call($this, 'all') : ret;
             }
           }
+
           if (context != null && context === $this) return;
           if (name == null) name = '';
-
           var changed = false;
+
           if (value == null) {
             if (r != null) {
               r = null;
               changed = true;
             }
+
             if (g != null) {
               g = null;
               changed = true;
             }
+
             if (b != null) {
               b = null;
               changed = true;
             }
+
             if (a != null) {
               a = null;
               changed = true;
             }
+
             if (h != null) {
               h = null;
               changed = true;
             }
+
             if (s != null) {
               s = null;
               changed = true;
             }
+
             if (v != null) {
               v = null;
               changed = true;
             }
+
             changed && fireChangeEvents.call($this, context || $this);
             return;
           }
+
           switch (name.toLowerCase()) {
             case 'ahex':
             case 'hex':
               var _ret = ColorMethods.hexToRgba(value && (value.ahex || value.hex) || value || 'none');
-              val.call($this, 'rgba', { r: _ret.r, g: _ret.g, b: _ret.b, a: name === 'ahex' ? _ret.a : a != null ? a : 255 }, context);
+
+              val.call($this, 'rgba', {
+                r: _ret.r,
+                g: _ret.g,
+                b: _ret.b,
+                a: name === 'ahex' ? _ret.a : a != null ? a : 255
+              }, context);
               break;
+
             default:
               if (value && (value.ahex != null || value.hex != null)) {
                 val.call($this, 'ahex', value.ahex || value.hex || '00000000', context);
                 return;
               }
+
               var newV = {};
               var rgb = false,
                   hsv = false;
@@ -23081,6 +24973,7 @@
               if (value.h !== undefined && !name.includes('h')) name += 'h';
               if (value.s !== undefined && !name.includes('s')) name += 's';
               if (value.v !== undefined && !name.includes('v')) name += 'v';
+
               for (var _i = 0; _i < name.length; _i++) {
                 switch (name.charAt(_i)) {
                   case 'r':
@@ -23088,84 +24981,104 @@
                     rgb = true;
                     newV.r = value.r && value.r | 0 || value | 0 || 0;
                     if (newV.r < 0) newV.r = 0;else if (newV.r > 255) newV.r = 255;
+
                     if (r !== newV.r) {
                       r = newV.r;
-
                       changed = true;
                     }
+
                     break;
+
                   case 'g':
                     if (hsv) continue;
                     rgb = true;
                     newV.g = value && value.g && value.g | 0 || value && value | 0 || 0;
                     if (newV.g < 0) newV.g = 0;else if (newV.g > 255) newV.g = 255;
+
                     if (g !== newV.g) {
                       g = newV.g;
-
                       changed = true;
                     }
+
                     break;
+
                   case 'b':
                     if (hsv) continue;
                     rgb = true;
                     newV.b = value && value.b && value.b | 0 || value && value | 0 || 0;
                     if (newV.b < 0) newV.b = 0;else if (newV.b > 255) newV.b = 255;
+
                     if (b !== newV.b) {
                       b = newV.b;
-
                       changed = true;
                     }
+
                     break;
+
                   case 'a':
                     newV.a = value && value.a != null ? value.a | 0 : value | 0;
                     if (newV.a < 0) newV.a = 0;else if (newV.a > 255) newV.a = 255;
+
                     if (a !== newV.a) {
                       a = newV.a;
-
                       changed = true;
                     }
+
                     break;
+
                   case 'h':
                     if (rgb) continue;
                     hsv = true;
                     newV.h = value && value.h && value.h | 0 || value && value | 0 || 0;
                     if (newV.h < 0) newV.h = 0;else if (newV.h > 360) newV.h = 360;
+
                     if (h !== newV.h) {
                       h = newV.h;
-
                       changed = true;
                     }
+
                     break;
+
                   case 's':
                     if (rgb) continue;
                     hsv = true;
                     newV.s = value.s != null ? value.s | 0 : value | 0;
                     if (newV.s < 0) newV.s = 0;else if (newV.s > 100) newV.s = 100;
+
                     if (s !== newV.s) {
                       s = newV.s;
-
                       changed = true;
                     }
+
                     break;
+
                   case 'v':
                     if (rgb) continue;
                     hsv = true;
                     newV.v = value.v != null ? value.v | 0 : value | 0;
                     if (newV.v < 0) newV.v = 0;else if (newV.v > 100) newV.v = 100;
+
                     if (v !== newV.v) {
                       v = newV.v;
-
                       changed = true;
                     }
+
                     break;
                 }
               }
+
               if (changed) {
                 if (rgb) {
                   r = r || 0;
                   g = g || 0;
                   b = b || 0;
-                  var _ret2 = ColorMethods.rgbToHsv({ r: r, g: g, b: b });
+
+                  var _ret2 = ColorMethods.rgbToHsv({
+                    r: r,
+                    g: g,
+                    b: b
+                  });
+
                   h = _ret2.h;
                   s = _ret2.s;
                   v = _ret2.v;
@@ -23173,39 +25086,51 @@
                   h = h || 0;
                   s = s != null ? s : 100;
                   v = v != null ? v : 100;
-                  var _ret3 = ColorMethods.hsvToRgb({ h: h, s: s, v: v });
+
+                  var _ret3 = ColorMethods.hsvToRgb({
+                    h: h,
+                    s: s,
+                    v: v
+                  });
+
                   r = _ret3.r;
                   g = _ret3.g;
                   b = _ret3.b;
                 }
+
                 a = a != null ? a : 255;
                 fireChangeEvents.call($this, context || $this);
               }
+
               break;
           }
         }
+
         function bind(callback) {
           if (typeof callback === 'function') changeEvents.push(callback);
         }
+
         function unbind(callback) {
           if (typeof callback !== 'function') return;
-          var i = void 0;
+          var i;
+
           while (i = changeEvents.includes(callback)) {
             changeEvents.splice(i, 1);
           }
         }
+
         function destroy() {
           changeEvents = null;
         }
-        var r = void 0,
-            g = void 0,
-            b = void 0,
-            a = void 0,
-            h = void 0,
-            s = void 0,
-            v = void 0,
-            changeEvents = [];
 
+        var r,
+            g,
+            b,
+            a,
+            h,
+            s,
+            v,
+            changeEvents = [];
         $.extend(true, $this, {
           // public properties and methods
           val: val,
@@ -23213,11 +25138,14 @@
           unbind: unbind,
           destroy: destroy
         });
+
         if (init) {
           if (init.ahex != null) {
             val('ahex', init);
           } else if (init.hex != null) {
-            val((init.a != null ? 'a' : '') + 'hex', init.a != null ? { ahex: init.hex + ColorMethods.intToHex(init.a) } : init);
+            val((init.a != null ? 'a' : '') + 'hex', init.a != null ? {
+              ahex: init.hex + ColorMethods.intToHex(init.a)
+            } : init);
           } else if (init.r != null && init.g != null && init.b != null) {
             val('rgb' + (init.a != null ? 'a' : ''), init);
           } else if (init.h != null && init.s != null && init.v != null) {
@@ -23225,6 +25153,7 @@
           }
         }
       },
+
       /**
       * color conversion methods  - make public to give use to external scripts
       * @namespace
@@ -23237,24 +25166,32 @@
         * @property {Integer} b
         * @property {Integer} a
         */
+
         /**
         * @typedef {PlainObject} module:jPicker.RGB
         * @property {Integer} r
         * @property {Integer} g
         * @property {Integer} b
         */
+
         /**
         * @param {string} hex
         * @returns {module:jPicker.RGBA}
         */
         hexToRgba: function hexToRgba(hex) {
-          if (hex === '' || hex === 'none') return { r: null, g: null, b: null, a: null };
+          if (hex === '' || hex === 'none') return {
+            r: null,
+            g: null,
+            b: null,
+            a: null
+          };
           hex = this.validateHex(hex);
           var r = '00',
               g = '00',
               b = '00',
               a = '255';
           if (hex.length === 6) hex += 'ff';
+
           if (hex.length > 6) {
             r = hex.substring(0, 2);
             g = hex.substring(2, 4);
@@ -23265,14 +25202,20 @@
               r = hex.substring(4, hex.length);
               hex = hex.substring(0, 4);
             }
+
             if (hex.length > 2) {
               g = hex.substring(2, hex.length);
               hex = hex.substring(0, 2);
             }
+
             if (hex.length > 0) b = hex.substring(0, hex.length);
           }
+
           return {
-            r: this.hexToInt(r), g: this.hexToInt(g), b: this.hexToInt(b), a: this.hexToInt(a)
+            r: this.hexToInt(r),
+            g: this.hexToInt(g),
+            b: this.hexToInt(b),
+            a: this.hexToInt(a)
           };
         },
 
@@ -23319,6 +25262,7 @@
         * @property {Integer} s
         * @property {Integer} v
         */
+
         /**
         * @param {module:jPicker.RGB} rgb
         * @returns {module:jPicker.HSV}
@@ -23327,9 +25271,14 @@
           var r = rgb.r / 255,
               g = rgb.g / 255,
               b = rgb.b / 255,
-              hsv = { h: 0, s: 0, v: 0 };
+              hsv = {
+            h: 0,
+            s: 0,
+            v: 0
+          };
           var min = 0,
               max = 0;
+
           if (r >= g && r >= b) {
             max = r;
             min = g > b ? b : g;
@@ -23340,9 +25289,10 @@
             max = b;
             min = g > r ? r : g;
           }
+
           hsv.v = max;
           hsv.s = max ? (max - min) / max : 0;
-          var delta = void 0;
+          var delta;
           if (!hsv.s) hsv.h = 0;else {
             delta = max - min;
             if (r === max) hsv.h = (g - b) / delta;else if (g === max) hsv.h = 2 + (b - r) / delta;else hsv.h = 4 + (r - g) / delta;
@@ -23359,7 +25309,12 @@
         * @returns {module:jPicker.RGB}
         */
         hsvToRgb: function hsvToRgb(hsv) {
-          var rgb = { r: 0, g: 0, b: 0, a: 100 };
+          var rgb = {
+            r: 0,
+            g: 0,
+            b: 0,
+            a: 100
+          };
           var h = hsv.h,
               s = hsv.s,
               v = hsv.v;
@@ -23376,42 +25331,50 @@
                 p = v * (1 - s),
                 q = v * (1 - s * f),
                 t = v * (1 - s * (1 - f));
+
             switch (i) {
               case 0:
                 rgb.r = v;
                 rgb.g = t;
                 rgb.b = p;
                 break;
+
               case 1:
                 rgb.r = q;
                 rgb.g = v;
                 rgb.b = p;
                 break;
+
               case 2:
                 rgb.r = p;
                 rgb.g = v;
                 rgb.b = t;
                 break;
+
               case 3:
                 rgb.r = p;
                 rgb.g = q;
                 rgb.b = v;
                 break;
+
               case 4:
                 rgb.r = t;
                 rgb.g = p;
                 rgb.b = v;
                 break;
+
               case 5:
                 rgb.r = v;
                 rgb.g = p;
                 rgb.b = q;
                 break;
             }
+
             rgb.r = rgb.r * 255 | 0;
             rgb.g = rgb.g * 255 | 0;
             rgb.b = rgb.b * 255 | 0;
           }
+
           return rgb;
         }
       }
@@ -23420,10 +25383,12 @@
         Color = _$$jPicker.Color,
         List = _$$jPicker.List,
         ColorMethods = _$$jPicker.ColorMethods; // local copies for YUI compressor
+
     /**
      * @function external:jQuery.fn.jPicker
      * @see {@link external:jQuery.fn.$.fn.jPicker}
      */
+
     /**
     * While it would seem this should specify the name `jPicker` for JSDoc, that doesn't
     *   get us treated as a function as well as a namespace (even with `@function name`),
@@ -23439,6 +25404,7 @@
       return this.each(function () {
         var $this = this,
             settings = $.extend(true, {}, $.fn.jPicker.defaults, options); // local copies for YUI compressor
+
         if ($($this).get(0).nodeName.toLowerCase() === 'input') {
           // Add color picker icon if binding to an input element and bind the events to the input
           $.extend(true, settings, {
@@ -23448,32 +25414,47 @@
               input: $($this)
             }
           });
+
           if ($($this).val() === '') {
-            settings.color.active = new Color({ hex: null });
-            settings.color.current = new Color({ hex: null });
+            settings.color.active = new Color({
+              hex: null
+            });
+            settings.color.current = new Color({
+              hex: null
+            });
           } else if (ColorMethods.validateHex($($this).val())) {
-            settings.color.active = new Color({ hex: $($this).val(), a: settings.color.active.val('a') });
-            settings.color.current = new Color({ hex: $($this).val(), a: settings.color.active.val('a') });
+            settings.color.active = new Color({
+              hex: $($this).val(),
+              a: settings.color.active.val('a')
+            });
+            settings.color.current = new Color({
+              hex: $($this).val(),
+              a: settings.color.active.val('a')
+            });
           }
         }
+
         if (settings.window.expandable) {
           $($this).after('<span class="jPicker"><span class="Icon"><span class="Color">&nbsp;</span><span class="Alpha">&nbsp;</span><span class="Image" title="Click To Open Color Picker">&nbsp;</span><span class="Container">&nbsp;</span></span></span>');
         } else {
           settings.window.liveUpdate = false; // Basic control binding for inline use - You will need to override the liveCallback or commitCallback function to retrieve results
         }
+
         var isLessThanIE7 = parseFloat(navigator.appVersion.split('MSIE')[1]) < 7 && document.body.filters; // needed to run the AlphaImageLoader function for IE6
         // set color mode and update visuals for the new color mode
+
         /**
          *
          * @param {"h"|"s"|"v"|"r"|"g"|"b"|"a"} colorMode [description]
          * @throws {Error} Invalid mode
          */
+
         function setColorMode(colorMode) {
           var active = color.active,
               hex = active.val('hex');
-          var rgbMap = void 0,
-              rgbBar = void 0;
+          var rgbMap, rgbBar;
           settings.color.mode = colorMode;
+
           switch (colorMode) {
             case 'h':
               setTimeout(function () {
@@ -23494,12 +25475,24 @@
                 setImgLoc.call($this, colorBarL6, 260);
                 setAlpha.call($this, colorBarL6, 100);
               }, 0);
-              colorMap.range('all', { minX: 0, maxX: 100, minY: 0, maxY: 100 });
-              colorBar.range('rangeY', { minY: 0, maxY: 360 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 100,
+                minY: 0,
+                maxY: 100
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 360
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('s'), y: 100 - active.val('v') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('s'),
+                y: 100 - active.val('v')
+              }, colorMap);
               colorBar.val('y', 360 - active.val('h'), colorBar);
               break;
+
             case 's':
               setTimeout(function () {
                 setBG.call($this, colorMapDiv, 'transparent');
@@ -23510,12 +25503,24 @@
                 setImgLoc.call($this, colorBarL6, 260);
                 setAlpha.call($this, colorBarL6, 100);
               }, 0);
-              colorMap.range('all', { minX: 0, maxX: 360, minY: 0, maxY: 100 });
-              colorBar.range('rangeY', { minY: 0, maxY: 100 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 360,
+                minY: 0,
+                maxY: 100
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 100
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('h'), y: 100 - active.val('v') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('h'),
+                y: 100 - active.val('v')
+              }, colorMap);
               colorBar.val('y', 100 - active.val('s'), colorBar);
               break;
+
             case 'v':
               setTimeout(function () {
                 setBG.call($this, colorMapDiv, '000000');
@@ -23528,39 +25533,87 @@
                 setImgLoc.call($this, colorBarL6, 260);
                 setAlpha.call($this, colorBarL6, 100);
               }, 0);
-              colorMap.range('all', { minX: 0, maxX: 360, minY: 0, maxY: 100 });
-              colorBar.range('rangeY', { minY: 0, maxY: 100 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 360,
+                minY: 0,
+                maxY: 100
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 100
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('h'), y: 100 - active.val('s') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('h'),
+                y: 100 - active.val('s')
+              }, colorMap);
               colorBar.val('y', 100 - active.val('v'), colorBar);
               break;
+
             case 'r':
               rgbMap = -1040;
               rgbBar = -780;
-              colorMap.range('all', { minX: 0, maxX: 255, minY: 0, maxY: 255 });
-              colorBar.range('rangeY', { minY: 0, maxY: 255 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 255,
+                minY: 0,
+                maxY: 255
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 255
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('b'), y: 255 - active.val('g') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('b'),
+                y: 255 - active.val('g')
+              }, colorMap);
               colorBar.val('y', 255 - active.val('r'), colorBar);
               break;
+
             case 'g':
               rgbMap = -1560;
               rgbBar = -1820;
-              colorMap.range('all', { minX: 0, maxX: 255, minY: 0, maxY: 255 });
-              colorBar.range('rangeY', { minY: 0, maxY: 255 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 255,
+                minY: 0,
+                maxY: 255
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 255
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('b'), y: 255 - active.val('r') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('b'),
+                y: 255 - active.val('r')
+              }, colorMap);
               colorBar.val('y', 255 - active.val('g'), colorBar);
               break;
+
             case 'b':
               rgbMap = -2080;
               rgbBar = -2860;
-              colorMap.range('all', { minX: 0, maxX: 255, minY: 0, maxY: 255 });
-              colorBar.range('rangeY', { minY: 0, maxY: 255 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 255,
+                minY: 0,
+                maxY: 255
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 255
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('r'), y: 255 - active.val('g') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('r'),
+                y: 255 - active.val('g')
+              }, colorMap);
               colorBar.val('y', 255 - active.val('b'), colorBar);
               break;
+
             case 'a':
               setTimeout(function () {
                 setBG.call($this, colorMapDiv, 'transparent');
@@ -23572,18 +25625,32 @@
                 setImgLoc.call($this, colorBarL6, 0);
                 setAlpha.call($this, colorBarL6, 100);
               }, 0);
-              colorMap.range('all', { minX: 0, maxX: 360, minY: 0, maxY: 100 });
-              colorBar.range('rangeY', { minY: 0, maxY: 255 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 360,
+                minY: 0,
+                maxY: 100
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 255
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('h'), y: 100 - active.val('v') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('h'),
+                y: 100 - active.val('v')
+              }, colorMap);
               colorBar.val('y', 255 - active.val('a'), colorBar);
               break;
+
             default:
               throw new Error('Invalid Mode');
           }
+
           switch (colorMode) {
             case 'h':
               break;
+
             case 's':
             case 'v':
             case 'a':
@@ -23596,6 +25663,7 @@
                 setAlpha.call($this, colorBarL4, 100);
               }, 0);
               break;
+
             case 'r':
             case 'g':
             case 'b':
@@ -23615,10 +25683,12 @@
               }, 0);
               break;
           }
+
           if (active.val('ahex') == null) return;
           activeColorChanged.call($this, active);
-        }
-        // Update color when user changes text values
+        } // Update color when user changes text values
+
+
         function activeColorChanged(ui, context) {
           if (context == null || context !== colorBar && context !== colorMap) positionMapAndBarArrows.call($this, ui, context);
           setTimeout(function () {
@@ -23626,117 +25696,191 @@
             updateMapVisuals.call($this, ui);
             updateBarVisuals.call($this, ui);
           }, 0);
-        }
-        // user has dragged the ColorMap pointer
+        } // user has dragged the ColorMap pointer
+
+
         function mapValueChanged(ui, context) {
           var active = color.active;
-
           if (context !== colorMap && active.val() == null) return;
           var xy = ui.val('all');
+
           switch (settings.color.mode) {
             case 'h':
-              active.val('sv', { s: xy.x, v: 100 - xy.y }, context);
+              active.val('sv', {
+                s: xy.x,
+                v: 100 - xy.y
+              }, context);
               break;
+
             case 's':
             case 'a':
-              active.val('hv', { h: xy.x, v: 100 - xy.y }, context);
+              active.val('hv', {
+                h: xy.x,
+                v: 100 - xy.y
+              }, context);
               break;
+
             case 'v':
-              active.val('hs', { h: xy.x, s: 100 - xy.y }, context);
+              active.val('hs', {
+                h: xy.x,
+                s: 100 - xy.y
+              }, context);
               break;
+
             case 'r':
-              active.val('gb', { g: 255 - xy.y, b: xy.x }, context);
+              active.val('gb', {
+                g: 255 - xy.y,
+                b: xy.x
+              }, context);
               break;
+
             case 'g':
-              active.val('rb', { r: 255 - xy.y, b: xy.x }, context);
+              active.val('rb', {
+                r: 255 - xy.y,
+                b: xy.x
+              }, context);
               break;
+
             case 'b':
-              active.val('rg', { r: xy.x, g: 255 - xy.y }, context);
+              active.val('rg', {
+                r: xy.x,
+                g: 255 - xy.y
+              }, context);
               break;
           }
-        }
-        // user has dragged the ColorBar slider
+        } // user has dragged the ColorBar slider
+
+
         function colorBarValueChanged(ui, context) {
           var active = color.active;
-
           if (context !== colorBar && active.val() == null) return;
+
           switch (settings.color.mode) {
             case 'h':
-              active.val('h', { h: 360 - ui.val('y') }, context);
+              active.val('h', {
+                h: 360 - ui.val('y')
+              }, context);
               break;
+
             case 's':
-              active.val('s', { s: 100 - ui.val('y') }, context);
+              active.val('s', {
+                s: 100 - ui.val('y')
+              }, context);
               break;
+
             case 'v':
-              active.val('v', { v: 100 - ui.val('y') }, context);
+              active.val('v', {
+                v: 100 - ui.val('y')
+              }, context);
               break;
+
             case 'r':
-              active.val('r', { r: 255 - ui.val('y') }, context);
+              active.val('r', {
+                r: 255 - ui.val('y')
+              }, context);
               break;
+
             case 'g':
-              active.val('g', { g: 255 - ui.val('y') }, context);
+              active.val('g', {
+                g: 255 - ui.val('y')
+              }, context);
               break;
+
             case 'b':
-              active.val('b', { b: 255 - ui.val('y') }, context);
+              active.val('b', {
+                b: 255 - ui.val('y')
+              }, context);
               break;
+
             case 'a':
               active.val('a', 255 - ui.val('y'), context);
               break;
           }
-        }
-        // position map and bar arrows to match current color
+        } // position map and bar arrows to match current color
+
+
         function positionMapAndBarArrows(ui, context) {
           if (context !== colorMap) {
             switch (settings.color.mode) {
               case 'h':
                 var sv = ui.val('sv');
-                colorMap.val('xy', { x: sv != null ? sv.s : 100, y: 100 - (sv != null ? sv.v : 100) }, context);
+                colorMap.val('xy', {
+                  x: sv != null ? sv.s : 100,
+                  y: 100 - (sv != null ? sv.v : 100)
+                }, context);
                 break;
+
               case 's':
               case 'a':
                 var hv = ui.val('hv');
-                colorMap.val('xy', { x: hv && hv.h || 0, y: 100 - (hv != null ? hv.v : 100) }, context);
+                colorMap.val('xy', {
+                  x: hv && hv.h || 0,
+                  y: 100 - (hv != null ? hv.v : 100)
+                }, context);
                 break;
+
               case 'v':
                 var hs = ui.val('hs');
-                colorMap.val('xy', { x: hs && hs.h || 0, y: 100 - (hs != null ? hs.s : 100) }, context);
+                colorMap.val('xy', {
+                  x: hs && hs.h || 0,
+                  y: 100 - (hs != null ? hs.s : 100)
+                }, context);
                 break;
+
               case 'r':
                 var bg = ui.val('bg');
-                colorMap.val('xy', { x: bg && bg.b || 0, y: 255 - (bg && bg.g || 0) }, context);
+                colorMap.val('xy', {
+                  x: bg && bg.b || 0,
+                  y: 255 - (bg && bg.g || 0)
+                }, context);
                 break;
+
               case 'g':
                 var br = ui.val('br');
-                colorMap.val('xy', { x: br && br.b || 0, y: 255 - (br && br.r || 0) }, context);
+                colorMap.val('xy', {
+                  x: br && br.b || 0,
+                  y: 255 - (br && br.r || 0)
+                }, context);
                 break;
+
               case 'b':
                 var rg = ui.val('rg');
-                colorMap.val('xy', { x: rg && rg.r || 0, y: 255 - (rg && rg.g || 0) }, context);
+                colorMap.val('xy', {
+                  x: rg && rg.r || 0,
+                  y: 255 - (rg && rg.g || 0)
+                }, context);
                 break;
             }
           }
+
           if (context !== colorBar) {
             switch (settings.color.mode) {
               case 'h':
                 colorBar.val('y', 360 - (ui.val('h') || 0), context);
                 break;
+
               case 's':
                 var s = ui.val('s');
                 colorBar.val('y', 100 - (s != null ? s : 100), context);
                 break;
+
               case 'v':
                 var v = ui.val('v');
                 colorBar.val('y', 100 - (v != null ? v : 100), context);
                 break;
+
               case 'r':
                 colorBar.val('y', 255 - (ui.val('r') || 0), context);
                 break;
+
               case 'g':
                 colorBar.val('y', 255 - (ui.val('g') || 0), context);
                 break;
+
               case 'b':
                 colorBar.val('y', 255 - (ui.val('b') || 0), context);
                 break;
+
               case 'a':
                 var a = ui.val('a');
                 colorBar.val('y', 255 - (a != null ? a : 255), context);
@@ -23744,65 +25888,92 @@
             }
           }
         }
+
         function updatePreview(ui) {
           try {
             var all = ui.val('all');
-            activePreview.css({ backgroundColor: all && '#' + all.hex || 'transparent' });
+            activePreview.css({
+              backgroundColor: all && '#' + all.hex || 'transparent'
+            });
             setAlpha.call($this, activePreview, all && toFixedNumeric(all.a * 100 / 255, 4) || 0);
           } catch (e) {}
         }
+
         function updateMapVisuals(ui) {
           switch (settings.color.mode) {
             case 'h':
-              setBG.call($this, colorMapDiv, new Color({ h: ui.val('h') || 0, s: 100, v: 100 }).val('hex'));
+              setBG.call($this, colorMapDiv, new Color({
+                h: ui.val('h') || 0,
+                s: 100,
+                v: 100
+              }).val('hex'));
               break;
+
             case 's':
             case 'a':
               var s = ui.val('s');
               setAlpha.call($this, colorMapL2, 100 - (s != null ? s : 100));
               break;
+
             case 'v':
               var v = ui.val('v');
               setAlpha.call($this, colorMapL1, v != null ? v : 100);
               break;
+
             case 'r':
               setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('r') || 0) / 255 * 100, 4));
               break;
+
             case 'g':
               setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('g') || 0) / 255 * 100, 4));
               break;
+
             case 'b':
               setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('b') || 0) / 255 * 100));
               break;
           }
+
           var a = ui.val('a');
           setAlpha.call($this, colorMapL3, toFixedNumeric((255 - (a || 0)) * 100 / 255, 4));
         }
+
         function updateBarVisuals(ui) {
           switch (settings.color.mode) {
             case 'h':
               var a = ui.val('a');
               setAlpha.call($this, colorBarL5, toFixedNumeric((255 - (a || 0)) * 100 / 255, 4));
               break;
+
             case 's':
               var hva = ui.val('hva'),
-                  saturatedColor = new Color({ h: hva && hva.h || 0, s: 100, v: hva != null ? hva.v : 100 });
+                  saturatedColor = new Color({
+                h: hva && hva.h || 0,
+                s: 100,
+                v: hva != null ? hva.v : 100
+              });
               setBG.call($this, colorBarDiv, saturatedColor.val('hex'));
               setAlpha.call($this, colorBarL2, 100 - (hva != null ? hva.v : 100));
               setAlpha.call($this, colorBarL5, toFixedNumeric((255 - (hva && hva.a || 0)) * 100 / 255, 4));
               break;
+
             case 'v':
               var hsa = ui.val('hsa'),
-                  valueColor = new Color({ h: hsa && hsa.h || 0, s: hsa != null ? hsa.s : 100, v: 100 });
+                  valueColor = new Color({
+                h: hsa && hsa.h || 0,
+                s: hsa != null ? hsa.s : 100,
+                v: 100
+              });
               setBG.call($this, colorBarDiv, valueColor.val('hex'));
               setAlpha.call($this, colorBarL5, toFixedNumeric((255 - (hsa && hsa.a || 0)) * 100 / 255, 4));
               break;
+
             case 'r':
             case 'g':
             case 'b':
               var rgba = ui.val('rgba');
               var hValue = 0,
                   vValue = 0;
+
               if (settings.color.mode === 'r') {
                 hValue = rgba && rgba.b || 0;
                 vValue = rgba && rgba.g || 0;
@@ -23813,15 +25984,18 @@
                 hValue = rgba && rgba.r || 0;
                 vValue = rgba && rgba.g || 0;
               }
+
               var middle = vValue > hValue ? hValue : vValue;
               setAlpha.call($this, colorBarL2, hValue > vValue ? toFixedNumeric((hValue - vValue) / (255 - vValue) * 100, 4) : 0);
               setAlpha.call($this, colorBarL3, vValue > hValue ? toFixedNumeric((vValue - hValue) / (255 - hValue) * 100, 4) : 0);
               setAlpha.call($this, colorBarL4, toFixedNumeric(middle / 255 * 100, 4));
               setAlpha.call($this, colorBarL5, toFixedNumeric((255 - (rgba && rgba.a || 0)) * 100 / 255, 4));
               break;
+
             case 'a':
               {
                 var _a = ui.val('a');
+
                 setBG.call($this, colorBarDiv, ui.val('hex') || '000000');
                 setAlpha.call($this, colorBarL5, _a != null ? 0 : 100);
                 setAlpha.call($this, colorBarL6, _a != null ? 100 : 0);
@@ -23829,74 +26003,118 @@
               }
           }
         }
+
         function setBG(el, c) {
-          el.css({ backgroundColor: c && c.length === 6 && '#' + c || 'transparent' });
+          el.css({
+            backgroundColor: c && c.length === 6 && '#' + c || 'transparent'
+          });
         }
+
         function setImg(img, src) {
           if (isLessThanIE7 && (src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png'))) {
             img.attr('pngSrc', src);
-            img.css({ backgroundImage: 'none', filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=\'scale\')' });
-          } else img.css({ backgroundImage: 'url(\'' + src + '\')' });
+            img.css({
+              backgroundImage: 'none',
+              filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=\'scale\')'
+            });
+          } else img.css({
+            backgroundImage: 'url(\'' + src + '\')'
+          });
         }
+
         function setImgLoc(img, y) {
-          img.css({ top: y + 'px' });
+          img.css({
+            top: y + 'px'
+          });
         }
+
         function setAlpha(obj, alpha) {
-          obj.css({ visibility: alpha > 0 ? 'visible' : 'hidden' });
+          obj.css({
+            visibility: alpha > 0 ? 'visible' : 'hidden'
+          });
+
           if (alpha > 0 && alpha < 100) {
             if (isLessThanIE7) {
               var src = obj.attr('pngSrc');
+
               if (src != null && (src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png'))) {
-                obj.css({ filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=\'scale\') progid:DXImageTransform.Microsoft.Alpha(opacity=' + alpha + ')' });
-              } else obj.css({ opacity: toFixedNumeric(alpha / 100, 4) });
-            } else obj.css({ opacity: toFixedNumeric(alpha / 100, 4) });
+                obj.css({
+                  filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=\'scale\') progid:DXImageTransform.Microsoft.Alpha(opacity=' + alpha + ')'
+                });
+              } else obj.css({
+                opacity: toFixedNumeric(alpha / 100, 4)
+              });
+            } else obj.css({
+              opacity: toFixedNumeric(alpha / 100, 4)
+            });
           } else if (alpha === 0 || alpha === 100) {
             if (isLessThanIE7) {
               var _src = obj.attr('pngSrc');
+
               if (_src != null && (_src.includes('AlphaBar.png') || _src.includes('Bars.png') || _src.includes('Maps.png'))) {
-                obj.css({ filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + _src + '\', sizingMethod=\'scale\')' });
-              } else obj.css({ opacity: '' });
-            } else obj.css({ opacity: '' });
+                obj.css({
+                  filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + _src + '\', sizingMethod=\'scale\')'
+                });
+              } else obj.css({
+                opacity: ''
+              });
+            } else obj.css({
+              opacity: ''
+            });
           }
-        }
-        // revert color to original color when opened
+        } // revert color to original color when opened
+
+
         function revertColor() {
           color.active.val('ahex', color.current.val('ahex'));
-        }
-        // commit the color changes
+        } // commit the color changes
+
+
         function commitColor() {
           color.current.val('ahex', color.active.val('ahex'));
         }
+
         function radioClicked(e) {
           $(this).parents('tbody:first').find('input:radio[value!="' + e.target.value + '"]').removeAttr('checked');
           setColorMode.call($this, e.target.value);
         }
+
         function currentClicked() {
           revertColor.call($this);
         }
+
         function cancelClicked() {
           revertColor.call($this);
           settings.window.expandable && hide.call($this);
           typeof cancelCallback === 'function' && cancelCallback.call($this, color.active, cancelButton);
         }
+
         function okClicked() {
           commitColor.call($this);
           settings.window.expandable && hide.call($this);
           typeof commitCallback === 'function' && commitCallback.call($this, color.active, okButton);
         }
+
         function iconImageClicked() {
           show.call($this);
         }
+
         function currentColorChanged(ui, context) {
           var hex = ui.val('hex');
-          currentPreview.css({ backgroundColor: hex && '#' + hex || 'transparent' });
+          currentPreview.css({
+            backgroundColor: hex && '#' + hex || 'transparent'
+          });
           setAlpha.call($this, currentPreview, toFixedNumeric((ui.val('a') || 0) * 100 / 255, 4));
         }
+
         function expandableColorChanged(ui, context) {
           var hex = ui.val('hex');
           var va = ui.val('va');
-          iconColor.css({ backgroundColor: hex && '#' + hex || 'transparent' });
+          iconColor.css({
+            backgroundColor: hex && '#' + hex || 'transparent'
+          });
           setAlpha.call($this, iconAlpha, toFixedNumeric((255 - (va && va.a || 0)) * 100 / 255, 4));
+
           if (settings.window.bindToInput && settings.window.updateInputColor) {
             settings.window.input.css({
               backgroundColor: hex && '#' + hex || 'transparent',
@@ -23904,104 +26122,147 @@
             });
           }
         }
+
         function moveBarMouseDown(e) {
           // const {element} = settings.window, // local copies for YUI compressor
           //     {page} = settings.window;
           elementStartX = parseInt(container.css('left'));
           elementStartY = parseInt(container.css('top'));
           pageStartX = e.pageX;
-          pageStartY = e.pageY;
-          // bind events to document to move window - we will unbind these on mouseup
+          pageStartY = e.pageY; // bind events to document to move window - we will unbind these on mouseup
+
           $(document).bind('mousemove', documentMouseMove).bind('mouseup', documentMouseUp);
           e.preventDefault(); // prevent attempted dragging of the column
         }
+
         function documentMouseMove(e) {
-          container.css({ left: elementStartX - (pageStartX - e.pageX) + 'px', top: elementStartY - (pageStartY - e.pageY) + 'px' });
-          if (settings.window.expandable && !$.support.boxModel) container.prev().css({ left: container.css('left'), top: container.css('top') });
+          container.css({
+            left: elementStartX - (pageStartX - e.pageX) + 'px',
+            top: elementStartY - (pageStartY - e.pageY) + 'px'
+          });
+          if (settings.window.expandable && !$.support.boxModel) container.prev().css({
+            left: container.css('left'),
+            top: container.css('top')
+          });
           e.stopPropagation();
           e.preventDefault();
           return false;
         }
+
         function documentMouseUp(e) {
           $(document).unbind('mousemove', documentMouseMove).unbind('mouseup', documentMouseUp);
           e.stopPropagation();
           e.preventDefault();
           return false;
         }
+
         function quickPickClicked(e) {
           e.preventDefault();
           e.stopPropagation();
           color.active.val('ahex', $(this).attr('title') || null, e.target);
           return false;
         }
+
         function show() {
           color.current.val('ahex', color.active.val('ahex'));
+
           function attachIFrame() {
             if (!settings.window.expandable || $.support.boxModel) return;
             var table = container.find('table:first');
             container.before('<iframe/>');
-            container.prev().css({ width: table.width(), height: container.height(), opacity: 0, position: 'absolute', left: container.css('left'), top: container.css('top') });
+            container.prev().css({
+              width: table.width(),
+              height: container.height(),
+              opacity: 0,
+              position: 'absolute',
+              left: container.css('left'),
+              top: container.css('top')
+            });
           }
+
           if (settings.window.expandable) {
-            $(document.body).children('div.jPicker.Container').css({ zIndex: 10 });
-            container.css({ zIndex: 20 });
+            $(document.body).children('div.jPicker.Container').css({
+              zIndex: 10
+            });
+            container.css({
+              zIndex: 20
+            });
           }
+
           switch (settings.window.effects.type) {
             case 'fade':
               container.fadeIn(settings.window.effects.speed.show, attachIFrame);
               break;
+
             case 'slide':
               container.slideDown(settings.window.effects.speed.show, attachIFrame);
               break;
+
             case 'show':
             default:
               container.show(settings.window.effects.speed.show, attachIFrame);
               break;
           }
         }
+
         function hide() {
           function removeIFrame() {
-            if (settings.window.expandable) container.css({ zIndex: 10 });
+            if (settings.window.expandable) container.css({
+              zIndex: 10
+            });
             if (!settings.window.expandable || $.support.boxModel) return;
             container.prev().remove();
           }
+
           switch (settings.window.effects.type) {
             case 'fade':
               container.fadeOut(settings.window.effects.speed.hide, removeIFrame);
               break;
+
             case 'slide':
               container.slideUp(settings.window.effects.speed.hide, removeIFrame);
               break;
+
             case 'show':
             default:
               container.hide(settings.window.effects.speed.hide, removeIFrame);
               break;
           }
         }
+
         function initialize() {
           var win = settings.window,
               popup = win.expandable ? $($this).next().find('.Container:first') : null;
           container = win.expandable ? $('<div/>') : $($this);
           container.addClass('jPicker Container');
           if (win.expandable) container.hide();
+
           container.get(0).onselectstart = function (event) {
             if (event.target.nodeName.toLowerCase() !== 'input') return false;
-          };
-          // inject html source code - we are using a single table for this control - I know tables are considered bad, but it takes care of equal height columns and
+          }; // inject html source code - we are using a single table for this control - I know tables are considered bad, but it takes care of equal height columns and
           // this control really is tabular data, so I believe it is the right move
+
+
           var all = color.active.val('all');
           if (win.alphaPrecision < 0) win.alphaPrecision = 0;else if (win.alphaPrecision > 2) win.alphaPrecision = 2;
-          var controlHtml = '<table class="jPicker" cellpadding="0" cellspacing="0">\n          <tbody>\n            ' + (win.expandable ? '<tr><td class="Move" colspan="5">&nbsp;</td></tr>' : '') + '\n            <tr>\n              <td rowspan="9"><h2 class="Title">' + (win.title || localization.text.title) + '</h2><div class="Map"><span class="Map1">&nbsp;</span><span class="Map2">&nbsp;</span><span class="Map3">&nbsp;</span><img src="' + (images.clientPath + images.colorMap.arrow.file) + '" class="Arrow"/></div></td>\n              <td rowspan="9"><div class="Bar"><span class="Map1">&nbsp;</span><span class="Map2">&nbsp;</span><span class="Map3">&nbsp;</span><span class="Map4">&nbsp;</span><span class="Map5">&nbsp;</span><span class="Map6">&nbsp;</span><img src="' + (images.clientPath + images.colorBar.arrow.file) + '" class="Arrow"/></div></td>\n              <td colspan="2" class="Preview">' + localization.text.newColor + '<div><span class="Active" title="' + localization.tooltips.colors.newColor + '">&nbsp;</span><span class="Current" title="' + localization.tooltips.colors.currentColor + '">&nbsp;</span></div>' + localization.text.currentColor + '</td>\n              <td rowspan="9" class="Button"><input type="button" class="Ok" value="' + localization.text.ok + '" title="' + localization.tooltips.buttons.ok + '"/><input type="button" class="Cancel" value="' + localization.text.cancel + '" title="' + localization.tooltips.buttons.cancel + '"/><hr/><div class="Grid">&nbsp;</div></td>\n            </tr>\n            <tr class="Hue">\n              <td class="Radio"><label title="' + localization.tooltips.hue.radio + '"><input type="radio" value="h"' + (settings.color.mode === 'h' ? ' checked="checked"' : '') + '/>H:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.h : '') + '" title="' + localization.tooltips.hue.textbox + '"/>&nbsp;&deg;</td>\n            </tr>\n            <tr class="Saturation">\n              <td class="Radio"><label title="' + localization.tooltips.saturation.radio + '"><input type="radio" value="s"' + (settings.color.mode === 's' ? ' checked="checked"' : '') + '/>S:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.s : '') + '" title="' + localization.tooltips.saturation.textbox + '"/>&nbsp;%</td>\n            </tr>\n            <tr class="Value">\n              <td class="Radio"><label title="' + localization.tooltips.value.radio + '"><input type="radio" value="v"' + (settings.color.mode === 'v' ? ' checked="checked"' : '') + '/>V:</label><br/><br/></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.v : '') + '" title="' + localization.tooltips.value.textbox + '"/>&nbsp;%<br/><br/></td>\n            </tr>\n            <tr class="Red">\n              <td class="Radio"><label title="' + localization.tooltips.red.radio + '"><input type="radio" value="r"' + (settings.color.mode === 'r' ? ' checked="checked"' : '') + '/>R:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.r : '') + '" title="' + localization.tooltips.red.textbox + '"/></td>\n            </tr>\n            <tr class="Green">\n              <td class="Radio"><label title="' + localization.tooltips.green.radio + '"><input type="radio" value="g"' + (settings.color.mode === 'g' ? ' checked="checked"' : '') + '/>G:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.g : '') + '" title="' + localization.tooltips.green.textbox + '"/></td>\n            </tr>\n            <tr class="Blue">\n              <td class="Radio"><label title="' + localization.tooltips.blue.radio + '"><input type="radio" value="b"' + (settings.color.mode === 'b' ? ' checked="checked"' : '') + '/>B:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.b : '') + '" title="' + localization.tooltips.blue.textbox + '"/></td>\n            </tr>\n            <tr class="Alpha">\n              <td class="Radio">' + (win.alphaSupport ? '<label title="' + localization.tooltips.alpha.radio + '"><input type="radio" value="a"' + (settings.color.mode === 'a' ? ' checked="checked"' : '') + '/>A:</label>' : '&nbsp;') + '</td>\n              <td class="Text">' + (win.alphaSupport ? '<input type="text" maxlength="' + (3 + win.alphaPrecision) + '" value="' + (all != null ? toFixedNumeric(all.a * 100 / 255, win.alphaPrecision) : '') + '" title="' + localization.tooltips.alpha.textbox + '"/>&nbsp;%' : '&nbsp;') + '</td>\n            </tr>\n            <tr class="Hex">\n              <td colspan="2" class="Text"><label title="' + localization.tooltips.hex.textbox + '">#:<input type="text" maxlength="6" class="Hex" value="' + (all != null ? all.hex : '') + '"/></label>' + (win.alphaSupport ? '<input type="text" maxlength="2" class="AHex" value="' + (all != null ? all.ahex.substring(6) : '') + '" title="' + localization.tooltips.hex.alpha + '"/></td>' : '&nbsp;') + '\n            </tr>\n          </tbody></table>';
+          var controlHtml = "<table class=\"jPicker\" cellpadding=\"0\" cellspacing=\"0\">\n          <tbody>\n            ".concat(win.expandable ? "<tr><td class=\"Move\" colspan=\"5\">&nbsp;</td></tr>" : '', "\n            <tr>\n              <td rowspan=\"9\"><h2 class=\"Title\">").concat(win.title || localization.text.title, "</h2><div class=\"Map\"><span class=\"Map1\">&nbsp;</span><span class=\"Map2\">&nbsp;</span><span class=\"Map3\">&nbsp;</span><img src=\"").concat(images.clientPath + images.colorMap.arrow.file, "\" class=\"Arrow\"/></div></td>\n              <td rowspan=\"9\"><div class=\"Bar\"><span class=\"Map1\">&nbsp;</span><span class=\"Map2\">&nbsp;</span><span class=\"Map3\">&nbsp;</span><span class=\"Map4\">&nbsp;</span><span class=\"Map5\">&nbsp;</span><span class=\"Map6\">&nbsp;</span><img src=\"").concat(images.clientPath + images.colorBar.arrow.file, "\" class=\"Arrow\"/></div></td>\n              <td colspan=\"2\" class=\"Preview\">").concat(localization.text.newColor, "<div><span class=\"Active\" title=\"").concat(localization.tooltips.colors.newColor, "\">&nbsp;</span><span class=\"Current\" title=\"").concat(localization.tooltips.colors.currentColor, "\">&nbsp;</span></div>").concat(localization.text.currentColor, "</td>\n              <td rowspan=\"9\" class=\"Button\"><input type=\"button\" class=\"Ok\" value=\"").concat(localization.text.ok, "\" title=\"").concat(localization.tooltips.buttons.ok, "\"/><input type=\"button\" class=\"Cancel\" value=\"").concat(localization.text.cancel, "\" title=\"").concat(localization.tooltips.buttons.cancel, "\"/><hr/><div class=\"Grid\">&nbsp;</div></td>\n            </tr>\n            <tr class=\"Hue\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.hue.radio, "\"><input type=\"radio\" value=\"h\"").concat(settings.color.mode === 'h' ? ' checked="checked"' : '', "/>H:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.h : '', "\" title=\"").concat(localization.tooltips.hue.textbox, "\"/>&nbsp;&deg;</td>\n            </tr>\n            <tr class=\"Saturation\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.saturation.radio, "\"><input type=\"radio\" value=\"s\"").concat(settings.color.mode === 's' ? ' checked="checked"' : '', "/>S:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.s : '', "\" title=\"").concat(localization.tooltips.saturation.textbox, "\"/>&nbsp;%</td>\n            </tr>\n            <tr class=\"Value\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.value.radio, "\"><input type=\"radio\" value=\"v\"").concat(settings.color.mode === 'v' ? ' checked="checked"' : '', "/>V:</label><br/><br/></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.v : '', "\" title=\"").concat(localization.tooltips.value.textbox, "\"/>&nbsp;%<br/><br/></td>\n            </tr>\n            <tr class=\"Red\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.red.radio, "\"><input type=\"radio\" value=\"r\"").concat(settings.color.mode === 'r' ? ' checked="checked"' : '', "/>R:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.r : '', "\" title=\"").concat(localization.tooltips.red.textbox, "\"/></td>\n            </tr>\n            <tr class=\"Green\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.green.radio, "\"><input type=\"radio\" value=\"g\"").concat(settings.color.mode === 'g' ? ' checked="checked"' : '', "/>G:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.g : '', "\" title=\"").concat(localization.tooltips.green.textbox, "\"/></td>\n            </tr>\n            <tr class=\"Blue\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.blue.radio, "\"><input type=\"radio\" value=\"b\"").concat(settings.color.mode === 'b' ? ' checked="checked"' : '', "/>B:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.b : '', "\" title=\"").concat(localization.tooltips.blue.textbox, "\"/></td>\n            </tr>\n            <tr class=\"Alpha\">\n              <td class=\"Radio\">").concat(win.alphaSupport ? "<label title=\"".concat(localization.tooltips.alpha.radio, "\"><input type=\"radio\" value=\"a\"").concat(settings.color.mode === 'a' ? ' checked="checked"' : '', "/>A:</label>") : '&nbsp;', "</td>\n              <td class=\"Text\">").concat(win.alphaSupport ? "<input type=\"text\" maxlength=\"".concat(3 + win.alphaPrecision, "\" value=\"").concat(all != null ? toFixedNumeric(all.a * 100 / 255, win.alphaPrecision) : '', "\" title=\"").concat(localization.tooltips.alpha.textbox, "\"/>&nbsp;%") : '&nbsp;', "</td>\n            </tr>\n            <tr class=\"Hex\">\n              <td colspan=\"2\" class=\"Text\"><label title=\"").concat(localization.tooltips.hex.textbox, "\">#:<input type=\"text\" maxlength=\"6\" class=\"Hex\" value=\"").concat(all != null ? all.hex : '', "\"/></label>").concat(win.alphaSupport ? "<input type=\"text\" maxlength=\"2\" class=\"AHex\" value=\"".concat(all != null ? all.ahex.substring(6) : '', "\" title=\"").concat(localization.tooltips.hex.alpha, "\"/></td>") : '&nbsp;', "\n            </tr>\n          </tbody></table>");
+
           if (win.expandable) {
             container.html(controlHtml);
+
             if (!$(document.body).children('div.jPicker.Container').length) {
               $(document.body).prepend(container);
             } else {
               $(document.body).children('div.jPicker.Container:last').after(container);
             }
+
             container.mousedown(function () {
-              $(document.body).children('div.jPicker.Container').css({ zIndex: 10 });
-              container.css({ zIndex: 20 });
+              $(document.body).children('div.jPicker.Container').css({
+                zIndex: 10
+              });
+              container.css({
+                zIndex: 20
+              });
             });
             container.css( // positions must be set and display set to absolute before source code injection or IE will size the container to fit the window
             {
@@ -24012,8 +26273,9 @@
           } else {
             container = $($this);
             container.html(controlHtml);
-          }
-          // initialize the objects to the source code just injected
+          } // initialize the objects to the source code just injected
+
+
           var tbody = container.find('tbody:first');
           colorMapDiv = tbody.find('div.Map:first');
           colorBarDiv = tbody.find('div.Bar:first');
@@ -24027,8 +26289,8 @@
           colorBarL3 = BarMaps.filter('.Map3:first');
           colorBarL4 = BarMaps.filter('.Map4:first');
           colorBarL5 = BarMaps.filter('.Map5:first');
-          colorBarL6 = BarMaps.filter('.Map6:first');
-          // create color pickers and maps
+          colorBarL6 = BarMaps.filter('.Map6:first'); // create color pickers and maps
+
           colorMap = new Slider(colorMapDiv, {
             map: {
               width: images.colorMap.width,
@@ -24057,8 +26319,12 @@
           var hex = all != null ? all.hex : null,
               preview = tbody.find('.Preview'),
               button = tbody.find('.Button');
-          activePreview = preview.find('.Active:first').css({ backgroundColor: hex && '#' + hex || 'transparent' });
-          currentPreview = preview.find('.Current:first').css({ backgroundColor: hex && '#' + hex || 'transparent' }).bind('click', currentClicked);
+          activePreview = preview.find('.Active:first').css({
+            backgroundColor: hex && '#' + hex || 'transparent'
+          });
+          currentPreview = preview.find('.Current:first').css({
+            backgroundColor: hex && '#' + hex || 'transparent'
+          }).bind('click', currentClicked);
           setAlpha.call($this, currentPreview, toFixedNumeric(color.current.val('a') * 100 / 255, 4));
           okButton = button.find('.Ok:first').bind('click', okClicked);
           cancelButton = button.find('.Cancel:first').bind('click', cancelClicked);
@@ -24075,13 +26341,16 @@
             setImg.call($this, colorBarL6, images.clientPath + 'AlphaBar.png');
             setImg.call($this, preview.find('div:first'), images.clientPath + 'preview-opacity.png');
           }, 0);
-          tbody.find('td.Radio input').bind('click', radioClicked);
-          // initialize quick list
+          tbody.find('td.Radio input').bind('click', radioClicked); // initialize quick list
+
           if (color.quickList && color.quickList.length > 0) {
             var html = '';
+
             for (var i = 0; i < color.quickList.length; i++) {
               /* if default colors are hex strings, change them to color objects */
-              if (_typeof(color.quickList[i]).toString().toLowerCase() === 'string') color.quickList[i] = new Color({ hex: color.quickList[i] });
+              if (_typeof(color.quickList[i]).toString().toLowerCase() === 'string') color.quickList[i] = new Color({
+                hex: color.quickList[i]
+              });
               var alpha = color.quickList[i].val('a');
               var ahex = color.quickList[i].val('ahex');
               if (!win.alphaSupport && ahex) ahex = ahex.substring(0, 6) + 'ff';
@@ -24089,44 +26358,53 @@
               if (!ahex) ahex = '00000000';
               html += '<span class="QuickColor"' + (' title="#' + ahex + '"') + ' style="background-color:' + (quickHex && '#' + quickHex || '') + ';' + (quickHex ? '' : 'background-image:url(' + images.clientPath + 'NoColor.png)') + (win.alphaSupport && alpha && alpha < 255 ? ';opacity:' + toFixedNumeric(alpha / 255, 4) + ';filter:Alpha(opacity=' + toFixedNumeric(alpha / 2.55, 4) + ')' : '') + '">&nbsp;</span>';
             }
+
             setImg.call($this, grid, images.clientPath + 'bar-opacity.png');
             grid.html(html);
             grid.find('.QuickColor').click(quickPickClicked);
           }
+
           setColorMode.call($this, settings.color.mode);
           color.active.bind(activeColorChanged);
           typeof liveCallback === 'function' && color.active.bind(liveCallback);
-          color.current.bind(currentColorChanged);
-          // bind to input
+          color.current.bind(currentColorChanged); // bind to input
+
           if (win.expandable) {
             $this.icon = popup.parents('.Icon:first');
-            iconColor = $this.icon.find('.Color:first').css({ backgroundColor: hex && '#' + hex || 'transparent' });
+            iconColor = $this.icon.find('.Color:first').css({
+              backgroundColor: hex && '#' + hex || 'transparent'
+            });
             iconAlpha = $this.icon.find('.Alpha:first');
             setImg.call($this, iconAlpha, images.clientPath + 'bar-opacity.png');
             setAlpha.call($this, iconAlpha, toFixedNumeric((255 - (all != null ? all.a : 0)) * 100 / 255, 4));
             iconImage = $this.icon.find('.Image:first').css({
               backgroundImage: 'url(\'' + images.clientPath + images.picker.file + '\')'
             }).bind('click', iconImageClicked);
+
             if (win.bindToInput && win.updateInputColor) {
               win.input.css({
                 backgroundColor: hex && '#' + hex || 'transparent',
                 color: all == null || all.v > 75 ? '#000000' : '#ffffff'
               });
             }
+
             moveBar = tbody.find('.Move:first').bind('mousedown', moveBarMouseDown);
             color.active.bind(expandableColorChanged);
           } else show.call($this);
         }
+
         function destroy() {
           container.find('td.Radio input').unbind('click', radioClicked);
           currentPreview.unbind('click', currentClicked);
           cancelButton.unbind('click', cancelClicked);
           okButton.unbind('click', okClicked);
+
           if (settings.window.expandable) {
             iconImage.unbind('click', iconImageClicked);
             moveBar.unbind('mousedown', moveBarMouseDown);
             $this.icon = null;
           }
+
           container.find('.QuickColor').unbind('click', quickPickClicked);
           colorMapDiv = null;
           colorBarDiv = null;
@@ -24154,24 +26432,30 @@
           cancelCallback = null;
           liveCallback = null;
           container.html('');
+
           for (var i = 0; i < List.length; i++) {
             if (List[i] === $this) {
               List.splice(i, 1);
             }
           }
         }
+
         var images = settings.images,
             localization = settings.localization; // local copies for YUI compressor
 
         var color = {
-          active: _typeof(settings.color.active).toString().toLowerCase() === 'string' ? new Color({ ahex: !settings.window.alphaSupport && settings.color.active ? settings.color.active.substring(0, 6) + 'ff' : settings.color.active
-          }) : new Color({ ahex: !settings.window.alphaSupport && settings.color.active.val('ahex') ? settings.color.active.val('ahex').substring(0, 6) + 'ff' : settings.color.active.val('ahex')
+          active: _typeof(settings.color.active).toString().toLowerCase() === 'string' ? new Color({
+            ahex: !settings.window.alphaSupport && settings.color.active ? settings.color.active.substring(0, 6) + 'ff' : settings.color.active
+          }) : new Color({
+            ahex: !settings.window.alphaSupport && settings.color.active.val('ahex') ? settings.color.active.val('ahex').substring(0, 6) + 'ff' : settings.color.active.val('ahex')
           }),
-          current: _typeof(settings.color.active).toString().toLowerCase() === 'string' ? new Color({ ahex: !settings.window.alphaSupport && settings.color.active ? settings.color.active.substring(0, 6) + 'ff' : settings.color.active }) : new Color({ ahex: !settings.window.alphaSupport && settings.color.active.val('ahex') ? settings.color.active.val('ahex').substring(0, 6) + 'ff' : settings.color.active.val('ahex')
+          current: _typeof(settings.color.active).toString().toLowerCase() === 'string' ? new Color({
+            ahex: !settings.window.alphaSupport && settings.color.active ? settings.color.active.substring(0, 6) + 'ff' : settings.color.active
+          }) : new Color({
+            ahex: !settings.window.alphaSupport && settings.color.active.val('ahex') ? settings.color.active.val('ahex').substring(0, 6) + 'ff' : settings.color.active.val('ahex')
           }),
           quickList: settings.color.quickList
         };
-
         var elementStartX = null,
             // Used to record the starting css positions for dragging the control
         elementStartY = null,
@@ -24213,16 +26497,19 @@
         commitCallback = typeof $arguments[1] === 'function' ? $arguments[1] : null,
             liveCallback = typeof $arguments[2] === 'function' ? $arguments[2] : null,
             cancelCallback = typeof $arguments[3] === 'function' ? $arguments[3] : null;
-
         $.extend(true, $this, {
           // public properties, methods, and callbacks
-          commitCallback: commitCallback, // commitCallback function can be overridden to return the selected color to a method you specify when the user clicks "OK"
-          liveCallback: liveCallback, // liveCallback function can be overridden to return the selected color to a method you specify in live mode (continuous update)
-          cancelCallback: cancelCallback, // cancelCallback function can be overridden to a method you specify when the user clicks "Cancel"
+          commitCallback: commitCallback,
+          // commitCallback function can be overridden to return the selected color to a method you specify when the user clicks "OK"
+          liveCallback: liveCallback,
+          // liveCallback function can be overridden to return the selected color to a method you specify in live mode (continuous update)
+          cancelCallback: cancelCallback,
+          // cancelCallback function can be overridden to a method you specify when the user clicks "Cancel"
           color: color,
           show: show,
           hide: hide,
           destroy: destroy // destroys this control entirely, removing all events and objects, and removing itself from the List
+
         });
         List.push($this);
         setTimeout(function () {
@@ -24236,17 +26523,20 @@
     * @property {Float} width
     * @property {Float} height
     */
+
     /**
     * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsImagesDimensionsArrow
     * @property {Float} width
     * @property {Float} height
     * @property {external:jQuery.fn.jPickerOptionsIconInfo} arrow
     */
+
     /**
     * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsRadioTextboxLocale
     * @property {string} radio
     * @property {string} textbox
     */
+
     /**
     * @typedef {PlainObject} external:jQuery.fn.jPickerOptions
     * @property {PlainObject} window
@@ -24303,6 +26593,7 @@
     * @property {string} localization.tooltips.hex.textbox
     * @property {string} localization.tooltips.hex.alpha
     */
+
     /**
     * jPicker defaults - you can change anything in this section (such as the
     * clientPath to your images) without fear of breaking the program
@@ -24311,6 +26602,8 @@
     * @borrows external:jQuery.fn.jPickerOptions as external:jQuery.fn.jPicker.defaults
     * @see Source for all of the values
     */
+
+
     $.fn.jPicker.defaults = {
       window: {
         title: null,
@@ -24333,8 +26626,294 @@
       },
       color: {
         mode: 'h',
-        active: new Color({ ahex: '#ffcc00ff' }),
-        quickList: [new Color({ h: 360, s: 33, v: 100 }), new Color({ h: 360, s: 66, v: 100 }), new Color({ h: 360, s: 100, v: 100 }), new Color({ h: 360, s: 100, v: 75 }), new Color({ h: 360, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 100 }), new Color({ h: 30, s: 33, v: 100 }), new Color({ h: 30, s: 66, v: 100 }), new Color({ h: 30, s: 100, v: 100 }), new Color({ h: 30, s: 100, v: 75 }), new Color({ h: 30, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 90 }), new Color({ h: 60, s: 33, v: 100 }), new Color({ h: 60, s: 66, v: 100 }), new Color({ h: 60, s: 100, v: 100 }), new Color({ h: 60, s: 100, v: 75 }), new Color({ h: 60, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 80 }), new Color({ h: 90, s: 33, v: 100 }), new Color({ h: 90, s: 66, v: 100 }), new Color({ h: 90, s: 100, v: 100 }), new Color({ h: 90, s: 100, v: 75 }), new Color({ h: 90, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 70 }), new Color({ h: 120, s: 33, v: 100 }), new Color({ h: 120, s: 66, v: 100 }), new Color({ h: 120, s: 100, v: 100 }), new Color({ h: 120, s: 100, v: 75 }), new Color({ h: 120, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 60 }), new Color({ h: 150, s: 33, v: 100 }), new Color({ h: 150, s: 66, v: 100 }), new Color({ h: 150, s: 100, v: 100 }), new Color({ h: 150, s: 100, v: 75 }), new Color({ h: 150, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 50 }), new Color({ h: 180, s: 33, v: 100 }), new Color({ h: 180, s: 66, v: 100 }), new Color({ h: 180, s: 100, v: 100 }), new Color({ h: 180, s: 100, v: 75 }), new Color({ h: 180, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 40 }), new Color({ h: 210, s: 33, v: 100 }), new Color({ h: 210, s: 66, v: 100 }), new Color({ h: 210, s: 100, v: 100 }), new Color({ h: 210, s: 100, v: 75 }), new Color({ h: 210, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 30 }), new Color({ h: 240, s: 33, v: 100 }), new Color({ h: 240, s: 66, v: 100 }), new Color({ h: 240, s: 100, v: 100 }), new Color({ h: 240, s: 100, v: 75 }), new Color({ h: 240, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 20 }), new Color({ h: 270, s: 33, v: 100 }), new Color({ h: 270, s: 66, v: 100 }), new Color({ h: 270, s: 100, v: 100 }), new Color({ h: 270, s: 100, v: 75 }), new Color({ h: 270, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 10 }), new Color({ h: 300, s: 33, v: 100 }), new Color({ h: 300, s: 66, v: 100 }), new Color({ h: 300, s: 100, v: 100 }), new Color({ h: 300, s: 100, v: 75 }), new Color({ h: 300, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 0 }), new Color({ h: 330, s: 33, v: 100 }), new Color({ h: 330, s: 66, v: 100 }), new Color({ h: 330, s: 100, v: 100 }), new Color({ h: 330, s: 100, v: 75 }), new Color({ h: 330, s: 100, v: 50 }), new Color()]
+        active: new Color({
+          ahex: '#ffcc00ff'
+        }),
+        quickList: [new Color({
+          h: 360,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 360,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 360,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 360,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 360,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 100
+        }), new Color({
+          h: 30,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 30,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 30,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 30,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 30,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 90
+        }), new Color({
+          h: 60,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 60,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 60,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 60,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 60,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 80
+        }), new Color({
+          h: 90,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 90,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 90,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 90,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 90,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 70
+        }), new Color({
+          h: 120,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 120,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 120,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 120,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 120,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 60
+        }), new Color({
+          h: 150,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 150,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 150,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 150,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 150,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 180,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 180,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 180,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 180,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 40
+        }), new Color({
+          h: 210,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 210,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 210,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 210,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 210,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 30
+        }), new Color({
+          h: 240,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 240,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 240,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 240,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 240,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 20
+        }), new Color({
+          h: 270,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 270,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 270,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 270,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 270,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 10
+        }), new Color({
+          h: 300,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 300,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 300,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 300,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 300,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 0
+        }), new Color({
+          h: 330,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 330,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 330,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 330,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 330,
+          s: 100,
+          v: 50
+        }), new Color()]
       },
       images: {
         clientPath: '/jPicker/images/',
@@ -24417,23 +26996,20 @@
     return $;
   };
 
-  /* globals jQuery */
-
   var $$a = jQuery;
-
-  var langParam = void 0;
-
+  var langParam;
   /**
   * @param {"content"|"title"} type
   * @param {module:locale.LocaleSelectorValue} obj
   * @param {boolean} ids
   * @returns {undefined}
   */
+
   var setStrings = function setStrings(type, obj, ids) {
     // Root element to look for element from
     var parent = $$a('#svg_editor').parent();
     Object.entries(obj).forEach(function (_ref) {
-      var _ref2 = slicedToArray(_ref, 2),
+      var _ref2 = _slicedToArray(_ref, 2),
           sel = _ref2[0],
           val = _ref2[1];
 
@@ -24444,7 +27020,9 @@
       if (ids) {
         sel = '#' + sel;
       }
+
       var $elem = parent.find(sel);
+
       if ($elem.length) {
         var elem = parent.find(sel)[0];
 
@@ -24456,6 +27034,7 @@
                 break;
               }
             }
+
             break;
 
           case 'title':
@@ -24467,7 +27046,6 @@
       }
     });
   };
-
   /**
   * The "data" property is generally set to an an array of objects with
   * "id" and "title" or "textContent" properties
@@ -24478,23 +27056,24 @@
   /**
   * @interface module:locale.LocaleEditorInit
   */
+
   /**
    * @function module:locale.LocaleEditorInit#addLangData
    * @param {string} langParam
    * @returns {module:locale.AddLangExtensionLocaleData}
   */
 
-  var editor_ = void 0;
+  var editor_;
   /**
   * @function init
   * @memberof module:locale
   * @param {module:locale.LocaleEditorInit} editor
   * @returns {undefined}
   */
+
   var init$7 = function init(editor) {
     editor_ = editor;
   };
-
   /**
   * @typedef {PlainObject} module:locale.LangAndData
   * @property {string} langParam
@@ -24507,8 +27086,13 @@
   * @fires module:svgcanvas.SvgCanvas#event:ext-addLangData
   * @returns {Promise} Resolves to [`LangAndData`]{@link module:locale.LangAndData}
   */
-  var readLang = function () {
-    var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(langData) {
+
+  var readLang =
+  /*#__PURE__*/
+  function () {
+    var _ref3 = _asyncToGenerator(
+    /*#__PURE__*/
+    regeneratorRuntime.mark(function _callee(langData) {
       var more, _langData, tools, properties, config, layers, common, ui, opts;
 
       return regeneratorRuntime.wrap(function _callee$(_context) {
@@ -24520,26 +27104,21 @@
 
             case 2:
               more = _context.sent;
-
               $$a.each(more, function (i, m) {
                 if (m.data) {
                   langData = $$a.merge(langData, m.data);
                 }
-              });
-
-              // Old locale file, do nothing for now.
+              }); // Old locale file, do nothing for now.
 
               if (langData.tools) {
                 _context.next = 6;
                 break;
               }
 
-              return _context.abrupt('return');
+              return _context.abrupt("return");
 
             case 6:
               _langData = langData, tools = _langData.tools, properties = _langData.properties, config = _langData.config, layers = _langData.layers, common = _langData.common, ui = _langData.ui;
-
-
               setStrings('content', {
                 // copyrightLabel: misc.powered_by, // Currently commented out in svg-editor.html
                 curve_segments: properties.curve_segments,
@@ -24548,7 +27127,6 @@
                 fit_to_canvas: tools.fit_to_canvas,
                 fit_to_layer_content: tools.fit_to_layer_content,
                 fit_to_sel: tools.fit_to_sel,
-
                 icon_large: config.icon_large,
                 icon_medium: config.icon_medium,
                 icon_small: config.icon_small,
@@ -24556,19 +27134,15 @@
                 image_opt_embed: config.image_opt_embed,
                 image_opt_ref: config.image_opt_ref,
                 includedImages: config.included_images,
-
                 largest_object: tools.largest_object,
-
                 layersLabel: layers.layers,
                 page: tools.page,
                 relativeToLabel: tools.relativeTo,
                 selLayerLabel: layers.move_elems_to,
                 selectedPredefined: config.select_predefined,
-
                 selected_objects: tools.selected_objects,
                 smallest_object: tools.smallest_object,
                 straight_segments: properties.straight_segments,
-
                 svginfo_bg_url: config.editor_img_url + ':',
                 svginfo_bg_note: config.editor_bg_note,
                 svginfo_change_background: config.background,
@@ -24580,50 +27154,37 @@
                 svginfo_lang: config.language,
                 svginfo_title: config.doc_title,
                 svginfo_width: common.width,
-
                 tool_docprops_cancel: common.cancel,
                 tool_docprops_save: common.ok,
-
                 tool_source_cancel: common.cancel,
                 tool_source_save: common.ok,
-
                 tool_prefs_cancel: common.cancel,
                 tool_prefs_save: common.ok,
-
                 sidepanel_handle: layers.layers.split('').join(' '),
-
                 tool_clear: tools.new_doc,
                 tool_docprops: tools.docprops,
                 tool_export: tools.export_img,
                 tool_import: tools.import_doc,
                 tool_open: tools.open_doc,
                 tool_save: tools.save_doc,
-
                 svginfo_units_rulers: config.units_and_rulers,
                 svginfo_rulers_onoff: config.show_rulers,
                 svginfo_unit: config.base_unit,
-
                 svginfo_grid_settings: config.grid,
                 svginfo_snap_onoff: config.snapping_onoff,
                 svginfo_snap_step: config.snapping_stepsize,
                 svginfo_grid_color: config.grid_color
-              }, true);
+              }, true); // Context menus
 
-              // Context menus
               opts = {};
-
               $$a.each(['cut', 'copy', 'paste', 'paste_in_place', 'delete', 'group', 'ungroup', 'move_front', 'move_up', 'move_down', 'move_back'], function () {
                 opts['#cmenu_canvas a[href="#' + this + '"]'] = tools[this];
               });
-
               $$a.each(['dupe', 'merge_down', 'merge_all'], function () {
                 opts['#cmenu_layers a[href="#' + this + '"]'] = layers[this];
               });
-
               opts['#cmenu_layers a[href="#delete"]'] = layers.del;
-
               setStrings('content', opts);
-
               setStrings('title', {
                 align_relative_to: tools.align_relative_to,
                 circle_cx: properties.circle_cx,
@@ -24721,13 +27282,14 @@
                 tool_wireframe: tools.wireframe_mode,
                 tool_zoom: tools.mode_zoom,
                 url_notice: tools.no_embed
-
               }, true);
-
-              return _context.abrupt('return', { langParam: langParam, langData: langData });
+              return _context.abrupt("return", {
+                langParam: langParam,
+                langData: langData
+              });
 
             case 15:
-            case 'end':
+            case "end":
               return _context.stop();
           }
         }
@@ -24738,7 +27300,6 @@
       return _ref3.apply(this, arguments);
     };
   }();
-
   /**
   * @function module:locale.putLocale
   * @param {string} givenParam
@@ -24749,8 +27310,13 @@
   * @fires module:svgcanvas.SvgCanvas#event:ext-langChanged
   * @returns {Promise} Resolves to result of {@link module:locale.readLang}
   */
-  var putLocale = function () {
-    var _ref4 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(givenParam, goodLangs, conf) {
+
+  var putLocale =
+  /*#__PURE__*/
+  function () {
+    var _ref4 = _asyncToGenerator(
+    /*#__PURE__*/
+    regeneratorRuntime.mark(function _callee2(givenParam, goodLangs, conf) {
       var url;
       return regeneratorRuntime.wrap(function _callee2$(_context2) {
         while (1) {
@@ -24760,6 +27326,7 @@
                 langParam = givenParam;
               } else {
                 langParam = $$a.pref('lang');
+
                 if (!langParam) {
                   if (navigator.userLanguage) {
                     // Explorer
@@ -24770,18 +27337,16 @@
                   }
                 }
 
-                console.log('Lang: ' + langParam);
+                console.log('Lang: ' + langParam); // Set to English if language is not in list of good langs
 
-                // Set to English if language is not in list of good langs
                 if (!goodLangs.includes(langParam) && langParam !== 'test') {
                   langParam = 'en';
-                }
-
-                // don't bother on first run if language is English
+                } // don't bother on first run if language is English
                 // The following line prevents setLang from running
                 //    extensions which depend on updated uiStrings,
                 //    so commenting it out.
                 // if (langParam.startsWith('en')) {return;}
+
               }
 
               url = conf.langPath + 'lang.' + langParam + '.js';
@@ -24793,10 +27358,10 @@
 
             case 5:
               _context2.t1 = _context2.sent;
-              return _context2.abrupt('return', (0, _context2.t0)(_context2.t1));
+              return _context2.abrupt("return", (0, _context2.t0)(_context2.t1));
 
             case 7:
-            case 'end':
+            case "end":
               return _context2.stop();
           }
         }
@@ -24809,109 +27374,119 @@
   }();
 
   function loadStylesheets(stylesheets) {
-      var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
-          beforeDefault = _ref.before,
-          afterDefault = _ref.after,
-          faviconDefault = _ref.favicon,
-          canvasDefault = _ref.canvas,
-          _ref$image = _ref.image,
-          imageDefault = _ref$image === undefined ? true : _ref$image,
-          acceptErrors = _ref.acceptErrors;
+    var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+        beforeDefault = _ref.before,
+        afterDefault = _ref.after,
+        faviconDefault = _ref.favicon,
+        canvasDefault = _ref.canvas,
+        _ref$image = _ref.image,
+        imageDefault = _ref$image === void 0 ? true : _ref$image,
+        acceptErrors = _ref.acceptErrors;
 
-      stylesheets = Array.isArray(stylesheets) ? stylesheets : [stylesheets];
+    stylesheets = Array.isArray(stylesheets) ? stylesheets : [stylesheets];
 
-      function setupLink(stylesheetURL) {
-          var options = {};
-          if (Array.isArray(stylesheetURL)) {
-              var _stylesheetURL = stylesheetURL;
+    function setupLink(stylesheetURL) {
+      var options = {};
 
-              var _stylesheetURL2 = slicedToArray(_stylesheetURL, 2);
+      if (Array.isArray(stylesheetURL)) {
+        var _stylesheetURL = stylesheetURL;
 
-              stylesheetURL = _stylesheetURL2[0];
-              var _stylesheetURL2$ = _stylesheetURL2[1];
-              options = _stylesheetURL2$ === undefined ? {} : _stylesheetURL2$;
-          }
-          var _options = options,
-              _options$favicon = _options.favicon,
-              favicon = _options$favicon === undefined ? faviconDefault : _options$favicon;
-          var _options2 = options,
-              _options2$before = _options2.before,
-              before = _options2$before === undefined ? beforeDefault : _options2$before,
-              _options2$after = _options2.after,
-              after = _options2$after === undefined ? afterDefault : _options2$after,
-              _options2$canvas = _options2.canvas,
-              canvas = _options2$canvas === undefined ? canvasDefault : _options2$canvas,
-              _options2$image = _options2.image,
-              image = _options2$image === undefined ? imageDefault : _options2$image;
+        var _stylesheetURL2 = _slicedToArray(_stylesheetURL, 2);
 
-          function addLink() {
-              if (before) {
-                  before.before(link);
-              } else if (after) {
-                  after.after(link);
-              } else {
-                  document.head.appendChild(link);
-              }
-          }
-
-          var link = document.createElement('link');
-          return new Promise(function (resolve, reject) {
-              var rej = reject;
-              if (acceptErrors) {
-                  rej = typeof acceptErrors === 'function' ? function (error) {
-                      acceptErrors({ error: error, stylesheetURL: stylesheetURL, options: options, resolve: resolve, reject: reject });
-                  } : resolve;
-              }
-              if (stylesheetURL.endsWith('.css')) {
-                  favicon = false;
-              } else if (stylesheetURL.endsWith('.ico')) {
-                  favicon = true;
-              }
-              if (favicon) {
-                  link.rel = 'shortcut icon';
-                  link.type = 'image/x-icon';
-
-                  if (image === false) {
-                      link.href = stylesheetURL;
-                      addLink();
-                      resolve(link);
-                      return;
-                  }
-
-                  var cnv = document.createElement('canvas');
-                  cnv.width = 16;
-                  cnv.height = 16;
-                  var context = cnv.getContext('2d');
-                  var img = document.createElement('img');
-                  img.addEventListener('error', function (error) {
-                      reject(error);
-                  });
-                  img.addEventListener('load', function () {
-                      context.drawImage(img, 0, 0);
-                      link.href = canvas ? cnv.toDataURL('image/x-icon') : stylesheetURL;
-                      addLink();
-                      resolve(link);
-                  });
-                  img.src = stylesheetURL;
-                  return;
-              }
-              link.rel = 'stylesheet';
-              link.type = 'text/css';
-              link.href = stylesheetURL;
-              addLink();
-              link.addEventListener('error', function (error) {
-                  rej(error);
-              });
-              link.addEventListener('load', function () {
-                  resolve(link);
-              });
-          });
+        stylesheetURL = _stylesheetURL2[0];
+        var _stylesheetURL2$ = _stylesheetURL2[1];
+        options = _stylesheetURL2$ === void 0 ? {} : _stylesheetURL2$;
       }
 
-      return Promise.all(stylesheets.map(setupLink));
-  }
+      var _options = options,
+          _options$favicon = _options.favicon,
+          favicon = _options$favicon === void 0 ? faviconDefault : _options$favicon;
+      var _options2 = options,
+          _options2$before = _options2.before,
+          before = _options2$before === void 0 ? beforeDefault : _options2$before,
+          _options2$after = _options2.after,
+          after = _options2$after === void 0 ? afterDefault : _options2$after,
+          _options2$canvas = _options2.canvas,
+          canvas = _options2$canvas === void 0 ? canvasDefault : _options2$canvas,
+          _options2$image = _options2.image,
+          image = _options2$image === void 0 ? imageDefault : _options2$image;
 
-  /* globals jQuery */
+      function addLink() {
+        if (before) {
+          before.before(link);
+        } else if (after) {
+          after.after(link);
+        } else {
+          document.head.appendChild(link);
+        }
+      }
+
+      var link = document.createElement('link');
+      return new Promise(function (resolve, reject) {
+        var rej = reject;
+
+        if (acceptErrors) {
+          rej = typeof acceptErrors === 'function' ? function (error) {
+            acceptErrors({
+              error: error,
+              stylesheetURL: stylesheetURL,
+              options: options,
+              resolve: resolve,
+              reject: reject
+            });
+          } : resolve;
+        }
+
+        if (stylesheetURL.endsWith('.css')) {
+          favicon = false;
+        } else if (stylesheetURL.endsWith('.ico')) {
+          favicon = true;
+        }
+
+        if (favicon) {
+          link.rel = 'shortcut icon';
+          link.type = 'image/x-icon';
+
+          if (image === false) {
+            link.href = stylesheetURL;
+            addLink();
+            resolve(link);
+            return;
+          }
+
+          var cnv = document.createElement('canvas');
+          cnv.width = 16;
+          cnv.height = 16;
+          var context = cnv.getContext('2d');
+          var img = document.createElement('img');
+          img.addEventListener('error', function (error) {
+            reject(error);
+          });
+          img.addEventListener('load', function () {
+            context.drawImage(img, 0, 0);
+            link.href = canvas ? cnv.toDataURL('image/x-icon') : stylesheetURL;
+            addLink();
+            resolve(link);
+          });
+          img.src = stylesheetURL;
+          return;
+        }
+
+        link.rel = 'stylesheet';
+        link.type = 'text/css';
+        link.href = stylesheetURL;
+        addLink();
+        link.addEventListener('error', function (error) {
+          rej(error);
+        });
+        link.addEventListener('load', function () {
+          resolve(link);
+        });
+      });
+    }
+
+    return Promise.all(stylesheets.map(setupLink));
+  }
 
   /**
   * The main module for the visual SVG Editor
@@ -24928,51 +27503,62 @@
   * @borrows module:locale.readLang as readLang
   * @borrows module:locale.setStrings as setStrings
   */
-  var editor = {};
 
+  var editor = {};
   var $$b = [jqPluginJSHotkeys, jqPluginBBQ, jqPluginSVGIcons, jqPluginJGraduate, jqPluginSpinBtn, jqPluginSVG, jQueryContextMenu, jPicker].reduce(function ($, cb) {
     return cb($);
   }, jQuery);
-
   /*
   if (!$.loadingStylesheets) {
     $.loadingStylesheets = [];
   }
   */
+
   var stylesheet = 'svg-editor.css';
+
   if (!$$b.loadingStylesheets.includes(stylesheet)) {
     $$b.loadingStylesheets.push(stylesheet);
   }
+
   var favicon = 'images/logo.png';
+
   if ($$b.loadingStylesheets.some(function (item) {
     return !Array.isArray(item) || item[0] !== favicon;
   })) {
-    $$b.loadingStylesheets.push([favicon, { favicon: true }]);
-  }
-
-  // EDITOR PROPERTIES: (defined below)
+    $$b.loadingStylesheets.push([favicon, {
+      favicon: true
+    }]);
+  } // EDITOR PROPERTIES: (defined below)
   //    curPrefs, curConfig, canvas, storage, uiStrings
   //
   // STATE MAINTENANCE PROPERTIES
+
   /**
   * @type {Float}
   */
+
+
   editor.tool_scale = 1; // Dependent on icon size, so any use to making configurable instead? Used by `jQuery.SpinButton.js`
+
   /**
   * @type {Integer}
   */
+
   editor.exportWindowCt = 0;
   /**
   * @type {boolean}
   */
+
   editor.langChanged = false;
   /**
   * @type {boolean}
   */
+
   editor.showSaveWarning = false;
   /**
   * @type {boolean}
   */
+
   editor.storagePromptClosed = false; // For use with ext-storage.js
 
   var callbacks = [],
@@ -24980,6 +27566,7 @@
   /**
   * @typedef {"s"|"m"|"l"|"xl"|Float} module:SVGEditor.IconSize
   */
+
   /**
   * Preferences
   * @interface module:SVGEditor.Prefs
@@ -24992,18 +27579,23 @@
   * @property {boolean} [export_notice_done=false] Used to track alert status
   * @todo `save_notice_done` and `export_notice_done` should be changed to flags rather than preferences
   */
+
   /**
   * @namespace {module:SVGEditor.Prefs} defaultPrefs
   * @memberof module:SVGEditor~
   * @implements {module:SVGEditor.Prefs}
   */
   // The iteration algorithm for defaultPrefs does not currently support array/objects
-  defaultPrefs = /** @lends module:SVGEditor~defaultPrefs */{
+  defaultPrefs =
+  /** @lends module:SVGEditor~defaultPrefs */
+  {
     // EDITOR OPTIONS (DIALOG)
+
     /**
     * Default to "en" if locale.js detection does not detect another language
     */
     lang: '',
+
     /**
     * Will default to 's' if the window height is smaller than the minimum height and
     * 'm' otherwise
@@ -25028,12 +27620,14 @@
   /**
   * @typedef {"@default"|string} module:SVGEditor.Stylesheet `@default` will automatically load all of the default CSS paths for SVGEditor
   */
+
   /**
   * @typedef {GenericArray} module:SVGEditor.XYDimensions
   * @property {Integer} length 2
   * @property {Float} 0
   * @property {Float} 1
   */
+
   /**
   * @tutorial ConfigOptions
   * @interface module:SVGEditor.Config
@@ -25086,6 +27680,7 @@
   * @property {boolean} [selectNew=true] If true, will replace the selection with the current element and automatically select element objects (when not in "path" mode) after they are created, showing their grips (v2.6). Set and used in `svgcanvas.js` (`mouseUp`).
   * @todo Some others could be preferences as well (e.g., preventing URL changing of extensions, defaultExtensions, stylesheets, colorPickerCSS); Change the following to preferences and add pref controls where missing to the UI (e.g., `canvas_expansion`, `initFill`, `initStroke`, `text`, `initOpacity`, `dimensions`, `initTool`, `wireframe`, `showlayers`, `gridSnapping`, `gridColor`, `baseUnit`, `snappingStep`, `showRulers`, `exportWindowType`, `showGrid`, `show_outside_canvas`, `selectNew`)?
   */
+
   /**
   * @namespace {module:SVGEditor.Config} defaultConfig
   * @memberof module:SVGEditor~
@@ -25095,12 +27690,14 @@
     canvasName: 'default',
     canvas_expansion: 3,
     initFill: {
-      color: 'FF0000', // solid red
+      color: 'FF0000',
+      // solid red
       opacity: 1
     },
     initStroke: {
       width: 5,
-      color: '000000', // solid black
+      color: '000000',
+      // solid black
       opacity: 1
     },
     text: {
@@ -25109,19 +27706,25 @@
       font_family: 'serif'
     },
     initOpacity: 1,
-    colorPickerCSS: null, // Defaults to 'left' with a position equal to that of the fill_color or stroke_color element minus 140, and a 'bottom' equal to 40
+    colorPickerCSS: null,
+    // Defaults to 'left' with a position equal to that of the fill_color or stroke_color element minus 140, and a 'bottom' equal to 40
     initTool: 'select',
-    exportWindowType: 'new', // 'same' (todo: also support 'download')
+    exportWindowType: 'new',
+    // 'same' (todo: also support 'download')
     wireframe: false,
     showlayers: false,
     no_save_warning: false,
     // PATH CONFIGURATION
     // The following path configuration items are disallowed in the URL (as should any future path configurations)
     imgPath: 'images/',
-    langPath: 'locale/', // Default will be changed if this is a modular load
-    extPath: 'extensions/', // Default will be changed if this is a modular load
-    canvgPath: 'canvg/', // Default will be changed if this is a modular load
-    jspdfPath: 'jspdf/', // Default will be changed if this is a modular load
+    langPath: 'locale/',
+    // Default will be changed if this is a modular load
+    extPath: 'extensions/',
+    // Default will be changed if this is a modular load
+    canvgPath: 'canvg/',
+    // Default will be changed if this is a modular load
+    jspdfPath: 'jspdf/',
+    // Default will be changed if this is a modular load
     extIconsPath: 'extensions/',
     jGraduatePath: 'jgraduate/images/',
     // DOCUMENT PROPERTIES
@@ -25138,14 +27741,20 @@
     preventAllURLConfig: false,
     preventURLContentLoading: false,
     // EXTENSION CONFIGURATION (see also preventAllURLConfig)
-    lockExtensions: false, // Disallowed in URL setting
-    noDefaultExtensions: false, // noDefaultExtensions can only be meaningfully used in `svgedit-config-iife.js` or in the URL
+    lockExtensions: false,
+    // Disallowed in URL setting
+    noDefaultExtensions: false,
+    // noDefaultExtensions can only be meaningfully used in `svgedit-config-iife.js` or in the URL
     // EXTENSION-RELATED (GRID)
-    showGrid: false, // Set by ext-grid.js
+    showGrid: false,
+    // Set by ext-grid.js
     // EXTENSION-RELATED (STORAGE)
-    noStorageOnLoad: false, // Some interaction with ext-storage.js; prevent even the loading of previously saved local storage
-    forceStorage: false, // Some interaction with ext-storage.js; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not
+    noStorageOnLoad: false,
+    // Some interaction with ext-storage.js; prevent even the loading of previously saved local storage
+    forceStorage: false,
+    // Some interaction with ext-storage.js; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not
     emptyStorageOnDecline: false // Used by ext-storage.js; empty any prior storage if the user declines to store
+
   },
 
   /**
@@ -25154,15 +27763,13 @@
   * @type {PlainObject}
   */
   uiStrings$1 = editor.uiStrings = {};
-
-  var svgCanvas = void 0,
-      urldata = void 0,
+  var svgCanvas,
+      urldata,
       isReady = false,
       customExportImage = false,
       customExportPDF = false,
       curPrefs = {},
-
-  // Note: The difference between Prefs and Config is that Prefs
+      // Note: The difference between Prefs and Config is that Prefs
   //   can be changed in the UI and are stored in the browser,
   //   while config cannot
   curConfig = {
@@ -25170,6 +27777,7 @@
     //   procedures (we obtain instead from defaultExtensions)
     extensions: [],
     stylesheets: [],
+
     /**
     * Can use `location.origin` to indicate the current
     * origin. Can contain a '*' to allow all domains or 'null' (as
@@ -25190,6 +27798,7 @@
   function loadSvgString(str, callback) {
     var success = svgCanvas.setSvgString(str) !== false;
     callback = callback || $$b.noop;
+
     if (success) {
       callback(true); // eslint-disable-line standard/no-callback-literal
     } else {
@@ -25198,13 +27807,14 @@
       });
     }
   }
-
   /**
    * @function module:SVGEditor~getImportLocale
    * @param {string} defaultLang
    * @param {string} defaultName
    * @returns {module:SVGEditor~ImportLocale}
    */
+
+
   function getImportLocale(_ref) {
     var defaultLang = _ref.defaultLang,
         defaultName = _ref.defaultName;
@@ -25215,67 +27825,76 @@
      * @param {string} [lang=defaultLang] Defaults to `defaultLang` of {@link module:SVGEditor~getImportLocale}
      * @returns {Promise} Resolves to {@link module:locale.LocaleStrings}
      */
-    return function () {
-      var _ref2 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2() {
-        var importLocale = function () {
-          var _ref4 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(lang) {
-            var url;
-            return regeneratorRuntime.wrap(function _callee$(_context) {
-              while (1) {
-                switch (_context.prev = _context.next) {
-                  case 0:
-                    url = curConfig.extPath + 'ext-locale/' + name + '/' + lang + '.js';
-                    return _context.abrupt('return', importSetGlobalDefault(url, {
-                      global: 'svgEditorExtensionLocale_' + name + '_' + lang
+    return (
+      /*#__PURE__*/
+      function () {
+        var _importLocale = _asyncToGenerator(
+        /*#__PURE__*/
+        regeneratorRuntime.mark(function _callee2() {
+          var _ref2,
+              _ref2$name,
+              name,
+              _ref2$lang,
+              lang,
+              importLocale,
+              _importLocale2,
+              _args2 = arguments;
+
+          return regeneratorRuntime.wrap(function _callee2$(_context2) {
+            while (1) {
+              switch (_context2.prev = _context2.next) {
+                case 0:
+                  _importLocale2 = function _ref4() {
+                    _importLocale2 = _asyncToGenerator(
+                    /*#__PURE__*/
+                    regeneratorRuntime.mark(function _callee(lang) {
+                      var url;
+                      return regeneratorRuntime.wrap(function _callee$(_context) {
+                        while (1) {
+                          switch (_context.prev = _context.next) {
+                            case 0:
+                              url = "".concat(curConfig.extPath, "ext-locale/").concat(name, "/").concat(lang, ".js");
+                              return _context.abrupt("return", importSetGlobalDefault(url, {
+                                global: "svgEditorExtensionLocale_".concat(name, "_").concat(lang)
+                              }));
+
+                            case 2:
+                            case "end":
+                              return _context.stop();
+                          }
+                        }
+                      }, _callee, this);
                     }));
+                    return _importLocale2.apply(this, arguments);
+                  };
 
-                  case 2:
-                  case 'end':
-                    return _context.stop();
-                }
+                  importLocale = function _ref3(_x) {
+                    return _importLocale2.apply(this, arguments);
+                  };
+
+                  _ref2 = _args2.length > 0 && _args2[0] !== undefined ? _args2[0] : {}, _ref2$name = _ref2.name, name = _ref2$name === void 0 ? defaultName : _ref2$name, _ref2$lang = _ref2.lang, lang = _ref2$lang === void 0 ? defaultLang : _ref2$lang;
+                  _context2.prev = 3;
+                  return _context2.abrupt("return", importLocale(lang));
+
+                case 7:
+                  _context2.prev = 7;
+                  _context2.t0 = _context2["catch"](3);
+                  return _context2.abrupt("return", importLocale('en'));
+
+                case 10:
+                case "end":
+                  return _context2.stop();
               }
-            }, _callee, this);
-          }));
-
-          return function importLocale(_x2) {
-            return _ref4.apply(this, arguments);
-          };
-        }();
-
-        var _ref3 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
-            _ref3$name = _ref3.name,
-            name = _ref3$name === undefined ? defaultName : _ref3$name,
-            _ref3$lang = _ref3.lang,
-            lang = _ref3$lang === undefined ? defaultLang : _ref3$lang;
-
-        return regeneratorRuntime.wrap(function _callee2$(_context2) {
-          while (1) {
-            switch (_context2.prev = _context2.next) {
-              case 0:
-                _context2.prev = 0;
-                return _context2.abrupt('return', importLocale(lang));
-
-              case 4:
-                _context2.prev = 4;
-                _context2.t0 = _context2['catch'](0);
-                return _context2.abrupt('return', importLocale('en'));
-
-              case 7:
-              case 'end':
-                return _context2.stop();
             }
-          }
-        }, _callee2, this, [[0, 4]]);
-      }));
+          }, _callee2, this, [[3, 7]]);
+        }));
 
-      function importLocale() {
-        return _ref2.apply(this, arguments);
-      }
-
-      return importLocale;
-    }();
+        return function importLocale() {
+          return _importLocale.apply(this, arguments);
+        };
+      }()
+    );
   }
-
   /**
   * EXPORTS
   */
@@ -25292,6 +27911,8 @@
   *  the pref dialog has a button to auto-calculate background, but otherwise uses `$.pref()` to be able to get default prefs
   *  or overridable settings
   */
+
+
   $$b.pref = function (key, val) {
     if (val) {
       curPrefs[key] = val;
@@ -25300,21 +27921,24 @@
       * @memberof module:SVGEditor
       * @implements {module:SVGEditor.Prefs}
       */
+
       editor.curPrefs = curPrefs; // Update exported value
+
       return;
     }
+
     return key in curPrefs ? curPrefs[key] : defaultPrefs[key];
   };
-
   /*
   * EDITOR PUBLIC METHODS
   // Todo: Sort these methods per invocation order, ideally with init at the end
   // Todo: Prevent execution until init executes if dependent on it?
   */
+
+
   editor.putLocale = putLocale;
   editor.readLang = readLang;
   editor.setStrings = setStrings;
-
   /**
   * Where permitted, sets canvas and/or `defaultPrefs` based on previous
   *  storage. This will override URL settings (for security reasons) but
@@ -25328,28 +27952,32 @@
   *  that, it will then be subject to tampering
   * @returns {undefined}
   */
+
   editor.loadContentAndPrefs = function () {
     if (!curConfig.forceStorage && (curConfig.noStorageOnLoad || !document.cookie.match(/(?:^|;\s*)store=(?:prefsAndContent|prefsOnly)/))) {
       return;
-    }
+    } // LOAD CONTENT
+
 
-    // LOAD CONTENT
     if (editor.storage && ( // Cookies do not have enough available memory to hold large documents
     curConfig.forceStorage || !curConfig.noStorageOnLoad && document.cookie.match(/(?:^|;\s*)store=prefsAndContent/))) {
-      var _name = 'svgedit-' + curConfig.canvasName;
-      var cached = editor.storage.getItem(_name);
+      var name = 'svgedit-' + curConfig.canvasName;
+      var cached = editor.storage.getItem(name);
+
       if (cached) {
         editor.loadFromString(cached);
       }
-    }
+    } // LOAD PREFS
+
 
-    // LOAD PREFS
     for (var key in defaultPrefs) {
       if (defaultPrefs.hasOwnProperty(key)) {
         // It's our own config, so we don't need to iterate up the prototype chain
         var storeKey = 'svg-edit-' + key;
+
         if (editor.storage) {
           var val = editor.storage.getItem(storeKey);
+
           if (val) {
             defaultPrefs[key] = String(val); // Convert to string for FF (.value fails in Webkit)
           }
@@ -25362,7 +27990,6 @@
       }
     }
   };
-
   /**
   * Allows setting of preferences or configuration (including extensions).
   * @param {module:SVGEditor.Config|module:SVGEditor.Prefs} opts The preferences or configuration (including extensions). See the tutorial on {@tutorial ConfigOptions} for info on config and preferences.
@@ -25383,8 +28010,11 @@
   *   not be needed in `svgedit-config-iife.js`.
   * @returns {undefined}
   */
+
+
   editor.setConfig = function (opts, cfgCfg) {
     cfgCfg = cfgCfg || {};
+
     function extendOrAdd(cfgObj, key, val) {
       if (cfgObj[key] && _typeof(cfgObj[key]) === 'object') {
         $$b.extend(true, cfgObj[key], val);
@@ -25392,6 +28022,7 @@
         cfgObj[key] = val;
       }
     }
+
     $$b.each(opts, function (key, val) {
       if (opts.hasOwnProperty(key)) {
         // Only allow prefs defined in defaultPrefs
@@ -25399,6 +28030,7 @@
           if (cfgCfg.overwrite === false && (curConfig.preventAllURLConfig || curPrefs.hasOwnProperty(key))) {
             return;
           }
+
           if (cfgCfg.allowInitialUserOverride === true) {
             defaultPrefs[key] = val;
           } else {
@@ -25408,17 +28040,20 @@
           if (cfgCfg.overwrite === false && (curConfig.preventAllURLConfig || ['allowedOrigins', 'stylesheets'].includes(key) || key === 'extensions' && curConfig.lockExtensions)) {
             return;
           }
+
           curConfig[key] = curConfig[key].concat(val); // We will handle any dupes later
           // Only allow other curConfig if defined in defaultConfig
         } else if (defaultConfig.hasOwnProperty(key)) {
           if (cfgCfg.overwrite === false && (curConfig.preventAllURLConfig || curConfig.hasOwnProperty(key))) {
             return;
-          }
-          // Potentially overwriting of previously set config
+          } // Potentially overwriting of previously set config
+
+
           if (curConfig.hasOwnProperty(key)) {
             if (cfgCfg.overwrite === false) {
               return;
             }
+
             extendOrAdd(curConfig, key, val);
           } else {
             if (cfgCfg.allowInitialUserOverride === true) {
@@ -25440,14 +28075,15 @@
     * @memberof module:SVGEditor
     * @implements {module:SVGEditor.Config}
     */
+
     editor.curConfig = curConfig; // Update exported value
   };
-
   /**
   * All methods are optional
   * @interface module:SVGEditor.CustomHandler
   * @type {PlainObject}
   */
+
   /**
   * Its responsibilities are:
   *  - invoke a file chooser dialog in 'open' mode
@@ -25457,6 +28093,7 @@
   * @function module:SVGEditor.CustomHandler#open
   * @returns {undefined}
   */
+
   /**
   * Its responsibilities are:
   *  - accept the string contents of the current document
@@ -25468,6 +28105,7 @@
   * @listens module:svgcanvas.SvgCanvas#event:saved
   * @returns {undefined}
   */
+
   /**
   * Its responsibilities (with regard to the object it is supplied in its 2nd argument) are:
   *  - inform user of any issues supplied via the "issues" property
@@ -25481,6 +28119,7 @@
   * @listens module:svgcanvas.SvgCanvas#event:exported
   * @returns {undefined}
   */
+
   /**
   * @function module:SVGEditor.CustomHandler#exportPDF
   * @param {external:Window} win
@@ -25495,6 +28134,8 @@
   * @param {module:SVGEditor.CustomHandler} opts Extension mechanisms may call `setCustomHandlers` with three functions: `opts.open`, `opts.save`, and `opts.exportImage`
   * @returns {undefined}
   */
+
+
   editor.setCustomHandlers = function (opts) {
     editor.ready(function () {
       if (opts.open) {
@@ -25502,35 +28143,41 @@
         $$b('#tool_open').show();
         svgCanvas.open = opts.open;
       }
+
       if (opts.save) {
         editor.showSaveWarning = false;
         svgCanvas.bind('saved', opts.save);
       }
+
       if (opts.exportImage) {
         customExportImage = opts.exportImage;
         svgCanvas.bind('exported', customExportImage); // canvg and our RGBColor will be available to the method
       }
+
       if (opts.exportPDF) {
         customExportPDF = opts.exportPDF;
         svgCanvas.bind('exportedPDF', customExportPDF); // jsPDF and our RGBColor will be available to the method
       }
     });
   };
-
   /**
   * @param {boolean} arg
   * @returns {undefined}
   */
+
+
   editor.randomizeIds = function (arg) {
     return svgCanvas.randomizeIds(arg);
   };
-
   /**
   * Auto-run after a Promise microtask
   * @returns {undefined}
   */
+
+
   editor.init = function () {
     var modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false;
+
     if (!modularVersion) {
       Object.assign(defaultConfig, {
         langPath: '../dist/locale/',
@@ -25538,18 +28185,20 @@
         canvgPath: '../dist/',
         jspdfPath: '../dist/'
       });
-    }
-
-    // const host = location.hostname,
+    } // const host = location.hostname,
     //  onWeb = host && host.includes('.');
     // Some FF versions throw security errors here when directly accessing
+
+
     try {
       if ('localStorage' in window) {
         // && onWeb removed so Webkit works locally
+
         /**
         * The built-in interface implemented by `localStorage`
         * @external Storage
         */
+
         /**
         * @name storage
         * @memberof module:SVGEditor
@@ -25557,9 +28206,9 @@
         */
         editor.storage = localStorage;
       }
-    } catch (err) {}
+    } catch (err) {} // Todo: Avoid const-defined functions and group functions together, etc. where possible
+
 
-    // Todo: Avoid const-defined functions and group functions together, etc. where possible
     var goodLangs = [];
     $$b('#lang_select option').each(function () {
       goodLangs.push(this.value);
@@ -25568,30 +28217,34 @@
     function setupCurPrefs() {
       curPrefs = $$b.extend(true, {}, defaultPrefs, curPrefs); // Now safe to merge with priority for curPrefs in the event any are already set
       // Export updated prefs
+
       editor.curPrefs = curPrefs;
     }
+
     function setupCurConfig() {
       curConfig = $$b.extend(true, {}, defaultConfig, curConfig); // Now safe to merge with priority for curConfig in the event any are already set
-
       // Now deal with extensions and other array config
+
       if (!curConfig.noDefaultExtensions) {
         curConfig.extensions = curConfig.extensions.concat(defaultExtensions);
-      }
-      // ...and remove any dupes
+      } // ...and remove any dupes
+
+
       ['extensions', 'stylesheets', 'allowedOrigins'].forEach(function (cfg) {
         curConfig[cfg] = $$b.grep(curConfig[cfg], function (n, i) {
           // Supposedly faster than filter per http://amandeep1986.blogspot.hk/2015/02/jquery-grep-vs-js-filter.html
           return i === curConfig[cfg].indexOf(n);
         });
-      });
-      // Export updated config
+      }); // Export updated config
+
       editor.curConfig = curConfig;
     }
+
     (function () {
       // Load config/data from URL if given
-      var src = void 0,
-          qstr = void 0;
+      var src, qstr;
       urldata = $$b.deparam.querystring(true);
+
       if (!$$b.isEmptyObject(urldata)) {
         if (urldata.dimensions) {
           urldata.dimensions = urldata.dimensions.split(',');
@@ -25604,44 +28257,50 @@
         if (urldata.extensions) {
           // For security reasons, disallow cross-domain or cross-folder extensions via URL
           urldata.extensions = urldata.extensions.match(/[:/\\]/) ? '' : urldata.extensions.split(',');
-        }
-
-        // Disallowing extension paths via URL for
+        } // Disallowing extension paths via URL for
         // security reasons, even for same-domain
         // ones given potential to interact in undesirable
         // ways with other script resources
+
+
         ['extPath', 'imgPath', 'extIconsPath', 'canvgPath', 'langPath', 'jGraduatePath', 'jspdfPath'].forEach(function (pathConfig) {
           if (urldata[pathConfig]) {
             delete urldata[pathConfig];
           }
         });
-
-        editor.setConfig(urldata, { overwrite: false }); // Note: source and url (as with storagePrompt later) are not set on config but are used below
+        editor.setConfig(urldata, {
+          overwrite: false
+        }); // Note: source and url (as with storagePrompt later) are not set on config but are used below
 
         setupCurConfig();
 
         if (!curConfig.preventURLContentLoading) {
           src = urldata.source;
           qstr = $$b.param.querystring();
+
           if (!src) {
             // urldata.source may have been null if it ended with '='
             if (qstr.includes('source=data:')) {
               src = qstr.match(/source=(data:[^&]*)/)[1];
             }
           }
+
           if (src) {
             if (src.startsWith('data:')) {
               editor.loadFromDataURI(src);
             } else {
               editor.loadFromString(src);
             }
+
             return;
           }
+
           if (urldata.url) {
             editor.loadFromURL(urldata.url);
             return;
           }
         }
+
         if (!urldata.noStorageOnLoad || curConfig.forceStorage) {
           editor.loadContentAndPrefs();
         }
@@ -25649,9 +28308,9 @@
         setupCurConfig();
         editor.loadContentAndPrefs();
       }
+
       setupCurPrefs();
     })();
-
     /**
     * Called internally
     * @param {string|Element|external:jQuery} elem
@@ -25659,15 +28318,18 @@
     * @param {Float} forcedSize Not in use
     * @returns {undefined}
     */
+
+
     var setIcon = editor.setIcon = function (elem, iconId, forcedSize) {
       var icon = typeof iconId === 'string' ? $$b.getSvgIcon(iconId, true) : iconId.clone();
+
       if (!icon) {
         console.log('NOTE: Icon image missing: ' + iconId);
         return;
       }
+
       $$b(elem).empty().append(icon);
     };
-
     /**
      * @fires module:svgcanvas.SvgCanvas#event:ext-addLangData
      * @fires module:svgcanvas.SvgCanvas#event:ext-langReady
@@ -25675,10 +28337,14 @@
      * @fires module:svgcanvas.SvgCanvas#event:extensions_added
      * @returns {Promise} Resolves to result of {@link module:locale.readLang}
      */
-    var extAndLocaleFunc = function () {
-      var _ref5 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee4() {
-        var _this = this;
 
+
+    var extAndLocaleFunc =
+    /*#__PURE__*/
+    function () {
+      var _ref5 = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee4() {
         var _ref6, langParam, langData;
 
         return regeneratorRuntime.wrap(function _callee4$(_context4) {
@@ -25692,14 +28358,16 @@
                 _ref6 = _context4.sent;
                 langParam = _ref6.langParam;
                 langData = _ref6.langData;
-
                 setLang(langParam, langData);
-
                 _context4.prev = 6;
                 _context4.next = 9;
-                return Promise.all(curConfig.extensions.map(function () {
-                  var _ref7 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee3(extname) {
-                    var extName, url, imported, _imported$name, _name2, init$$1, importLocale;
+                return Promise.all(curConfig.extensions.map(
+                /*#__PURE__*/
+                function () {
+                  var _ref7 = _asyncToGenerator(
+                  /*#__PURE__*/
+                  regeneratorRuntime.mark(function _callee3(extname) {
+                    var extName, url, imported, _imported$name, name, init$$1, importLocale;
 
                     return regeneratorRuntime.wrap(function _callee3$(_context3) {
                       while (1) {
@@ -25712,12 +28380,12 @@
                               break;
                             }
 
-                            return _context3.abrupt('return');
+                            return _context3.abrupt("return");
 
                           case 3:
-                            url = curConfig.extPath + extname;
-                            // Todo: Replace this with `return import(url);` when
+                            url = curConfig.extPath + extname; // Todo: Replace this with `return import(url);` when
                             //   `import()` widely supported
+
                             /**
                              * @tutorial ExtensionDocs
                              * @typedef {PlainObject} module:SVGEditor.ExtensionObject
@@ -25733,26 +28401,28 @@
 
                           case 7:
                             imported = _context3.sent;
-                            _imported$name = imported.name, _name2 = _imported$name === undefined ? extName[1] : _imported$name, init$$1 = imported.init;
-                            importLocale = getImportLocale({ defaultLang: langParam, defaultName: _name2 });
-                            return _context3.abrupt('return', editor.addExtension(_name2, init$$1 && init$$1.bind(editor), importLocale));
+                            _imported$name = imported.name, name = _imported$name === void 0 ? extName[1] : _imported$name, init$$1 = imported.init;
+                            importLocale = getImportLocale({
+                              defaultLang: langParam,
+                              defaultName: name
+                            });
+                            return _context3.abrupt("return", editor.addExtension(name, init$$1 && init$$1.bind(editor), importLocale));
 
                           case 13:
                             _context3.prev = 13;
-                            _context3.t0 = _context3['catch'](4);
-
+                            _context3.t0 = _context3["catch"](4);
                             console.log(_context3.t0);
                             console.error('Extension failed to load: ' + extname + '; ' + _context3.t0);
 
                           case 17:
-                          case 'end':
+                          case "end":
                             return _context3.stop();
                         }
                       }
-                    }, _callee3, _this, [[4, 13]]);
+                    }, _callee3, this, [[4, 13]]);
                   }));
 
-                  return function (_x3) {
+                  return function (_x2) {
                     return _ref7.apply(this, arguments);
                   };
                 }()));
@@ -25768,7 +28438,6 @@
                 function (win, data) {
                   extensionsAdded = true;
                   Actions.setAll();
-
                   $$b('.flyout_arrow_horiz:empty').each(function () {
                     $$b(this).append($$b.getSvgIcon('arrow_right', true).width(5).height(5));
                   });
@@ -25788,12 +28457,11 @@
 
               case 13:
                 _context4.prev = 13;
-                _context4.t0 = _context4['catch'](6);
-
+                _context4.t0 = _context4["catch"](6);
                 console.log(_context4.t0);
 
               case 16:
-              case 'end':
+              case "end":
                 return _context4.stop();
             }
           }
@@ -25805,7 +28473,9 @@
       };
     }();
 
-    var stateObj = { tool_scale: editor.tool_scale };
+    var stateObj = {
+      tool_scale: editor.tool_scale
+    };
 
     var setFlyoutPositions = function setFlyoutPositions() {
       $$b('.tools_flyout').each(function () {
@@ -25816,24 +28486,30 @@
             top = _shower$offset.top;
 
         var w = shower.outerWidth();
-        $$b(this).css({ left: (left + w) * editor.tool_scale, top: top });
+        $$b(this).css({
+          left: (left + w) * editor.tool_scale,
+          top: top
+        });
       });
     };
 
     var uaPrefix = function () {
       var regex = /^(Moz|Webkit|Khtml|O|ms|Icab)(?=[A-Z])/;
       var someScript = document.getElementsByTagName('script')[0];
+
       for (var prop in someScript.style) {
         if (regex.test(prop)) {
           // test is faster than match, so it's better to perform
           // that on the lot and match only when necessary
           return prop.match(regex)[0];
         }
-      }
-      // Nothing found so far?
+      } // Nothing found so far?
+
+
       if ('WebkitOpacity' in someScript.style) {
         return 'Webkit';
       }
+
       if ('KhtmlOpacity' in someScript.style) {
         return 'Khtml';
       }
@@ -25844,59 +28520,62 @@
     var scaleElements = function scaleElements(elems, scale) {
       // const prefix = '-' + uaPrefix.toLowerCase() + '-'; // Currently unused
       var sides = ['top', 'left', 'bottom', 'right'];
-
       elems.each(function () {
         // Handled in CSS
         // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';
         var el = $$b(this);
         var w = el.outerWidth() * (scale - 1);
-        var h = el.outerHeight() * (scale - 1);
-        // const margins = {}; // Currently unused
+        var h = el.outerHeight() * (scale - 1); // const margins = {}; // Currently unused
 
         for (var i = 0; i < 4; i++) {
           var s = sides[i];
           var cur = el.data('orig_margin-' + s);
+
           if (cur == null) {
-            cur = parseInt(el.css('margin-' + s), 10);
-            // Cache the original margin
+            cur = parseInt(el.css('margin-' + s), 10); // Cache the original margin
+
             el.data('orig_margin-' + s, cur);
           }
+
           var val = cur * scale;
+
           if (s === 'right') {
             val += w;
           } else if (s === 'bottom') {
             val += h;
           }
 
-          el.css('margin-' + s, val);
-          // el.css('outline', '1px solid red');
+          el.css('margin-' + s, val); // el.css('outline', '1px solid red');
         }
       });
     };
-
     /**
     * Called internally.
     * @param {module:SVGEditor.IconSize} size
     * @returns {undefined}
     */
+
+
     var setIconSize = editor.setIconSize = function (size) {
       // const elems = $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open');
       var selToscale = '#tools_top .toolset, #editor_panel > *, #history_panel > *,' + '        #main_button, #tools_left > *, #path_node_panel > *, #multiselected_panel > *,' + '        #g_panel > *, #tool_font_size > *, .tools_flyout';
-
       var elems = $$b(selToscale);
-
       var scale = 1;
+
       if (typeof size === 'number') {
         scale = size;
       } else {
-        var iconSizes = { s: 0.75, m: 1, l: 1.25, xl: 1.5 };
+        var iconSizes = {
+          s: 0.75,
+          m: 1,
+          l: 1.25,
+          xl: 1.5
+        };
         scale = iconSizes[size];
       }
 
       stateObj.tool_scale = editor.tool_scale = scale;
-
-      setFlyoutPositions();
-      // $('.tools_flyout').each(function () {
+      setFlyoutPositions(); // $('.tools_flyout').each(function () {
       //   const pos = $(this).position();
       //   console.log($(this), pos.left+(34 * scale));
       //   $(this).css({left: pos.left+(34 * scale), top: pos.top+(77 * scale)});
@@ -25908,13 +28587,10 @@
       var hiddenPs = elems.parents(':hidden');
       hiddenPs.css('visibility', 'hidden').show();
       scaleElements(elems, scale);
-      hiddenPs.css('visibility', 'visible').hide();
-      // return;
+      hiddenPs.css('visibility', 'visible').hide(); // return;
 
       $$b.pref('iconsize', size);
-      $$b('#iconsize').val(size);
-
-      // Change icon size
+      $$b('#iconsize').val(size); // Change icon size
       // $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open')
       // .find('> svg, > img').each(function () {
       //   this.setAttribute('width',size_num);
@@ -25929,8 +28605,8 @@
       // if (size != 's') {
       //   $.resizeSvgIcons({'#layerbuttons svg, #layerbuttons img': size_num * .6});
       // }
-
       // Note that all rules will be prefixed with '#svg_editor' when parsed
+
       var cssResizeRules = {
         // '.tool_button,\
         // .push_button,\
@@ -25961,8 +28637,7 @@
         },
         'div#workarea': {
           left: 38,
-          top: 74
-          // '#tools_bottom': {
+          top: 74 // '#tools_bottom': {
           //   left: {s: '27px', l: '46px', xl: '65px'},
           //   height: {s: '58px', l: '98px', xl: '145px'}
           // },
@@ -26044,9 +28719,11 @@
           // '#position_opts': {
           //   width: {all: (size_num*4) +'px'}
           // }
-        } };
 
+        }
+      };
       var ruleElem = $$b('#tool_size_rules');
+
       if (!ruleElem.length) {
         ruleElem = $$b('<style id="tool_size_rules"></style>').appendTo('head');
       } else {
@@ -26059,17 +28736,19 @@
           selector = '#svg_editor ' + selector.replace(/,/g, ', #svg_editor');
           styleStr += selector + '{';
           $$b.each(rules, function (prop, values) {
-            var val = void 0;
+            var val;
+
             if (typeof values === 'number') {
               val = values * scale + 'px';
             } else if (values[size] || values.all) {
               val = values[size] || values.all;
             }
+
             styleStr += prop + ':' + val + ';';
           });
           styleStr += '}';
-        });
-        // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';
+        }); // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';
+
         var prefix = '-' + uaPrefix.toLowerCase() + '-';
         styleStr += selToscale + '{' + prefix + 'transform: scale(' + scale + ');}' + ' #svg_editor div.toolset .toolset {' + prefix + 'transform: scale(1); margin: 1px !important;}' + // Hack for markers
         ' #svg_editor .ui-slider {' + prefix + 'transform: scale(' + 1 / scale + ');}' // Hack for sliders
@@ -26079,17 +28758,18 @@
 
       setFlyoutPositions();
     };
+
     $$b.svgIcons(curConfig.imgPath + 'svg_edit_icons.svg', {
-      w: 24, h: 24,
+      w: 24,
+      h: 24,
       id_match: false,
-      no_img: !isWebkit(), // Opera & Firefox 4 gives odd behavior w/images
+      no_img: !isWebkit(),
+      // Opera & Firefox 4 gives odd behavior w/images
       fallback_path: curConfig.imgPath,
       fallback: {
         logo: 'logo.png',
-
         select: 'select.png',
         select_node: 'select_node.png',
-
         square: 'square.png',
         rect: 'rect.png',
         fh_rect: 'freehand-square.png',
@@ -26103,17 +28783,14 @@
         add_subpath: 'add_subpath.png',
         close_path: 'closepath.png',
         open_path: 'openpath.png',
-
         image: 'image.png',
         zoom: 'zoom.png',
-
         arrow_right: 'flyouth.png',
         arrow_right_big: 'arrow_right_big.png',
         arrow_down: 'dropdown.gif',
         fill: 'fill.png',
         stroke: 'stroke.png',
         opacity: 'opacity.png',
-
         new_image: 'clear.png',
         save: 'save.png',
         export: 'export.png',
@@ -26122,10 +28799,8 @@
         docprops: 'document-properties.png',
         source: 'source.png',
         wireframe: 'wireframe.png',
-
         undo: 'undo.png',
         redo: 'redo.png',
-
         clone: 'clone.png',
         delete: 'delete.png',
         go_up: 'go-up.png',
@@ -26137,7 +28812,6 @@
         link_controls: 'link_controls.png',
         reorient: 'reorient.png',
         group_elements: 'shape_group_elements.png',
-
         ungroup: 'shape_ungroup.png',
         unlink_use: 'unlink_use.png',
         width: 'width.png',
@@ -26147,14 +28821,12 @@
         blur: 'blur.png',
         fontsize: 'fontsize.png',
         align: 'align.png',
-
         align_left: 'align-left.png',
         align_center: 'align-center.png',
         align_right: 'align-right.png',
         align_top: 'align-top.png',
         align_middle: 'align-middle.png',
         align_bottom: 'align-bottom.png',
-
         linecap_butt: 'linecap_butt.png',
         linecap_square: 'linecap_square.png',
         linecap_round: 'linecap_round.png',
@@ -26163,19 +28835,15 @@
         linejoin_round: 'linejoin_round.png',
         eye: 'eye.png',
         no_color: 'no_color.png',
-
         ok: 'save.png',
         cancel: 'cancel.png',
         warning: 'warning.png',
-
         node_delete: 'node_delete.png',
         node_clone: 'node_clone.png',
-
         globe_link: 'globe_link.png'
       },
       placement: {
         '#logo': 'logo',
-
         '#tool_clear div,#layer_new': 'new_image',
         '#tool_save div': 'save',
         '#tool_export div': 'export',
@@ -26184,10 +28852,8 @@
         '#tool_source': 'source',
         '#tool_docprops > div': 'docprops',
         '#tool_wireframe': 'wireframe',
-
         '#tool_undo': 'undo',
         '#tool_redo': 'redo',
-
         '#tool_select': 'select',
         '#tool_fhpath': 'pencil',
         '#tool_line': 'pen',
@@ -26201,7 +28867,6 @@
         '#tool_text,#layer_rename': 'text',
         '#tool_image': 'image',
         '#tool_zoom': 'zoom',
-
         '#tool_clone,#tool_clone_multi': 'clone',
         '#tool_node_clone': 'node_clone',
         '#layer_delete,#tool_delete,#tool_delete_multi': 'delete',
@@ -26216,7 +28881,6 @@
         '#tool_group_elements': 'group_elements',
         '#tool_ungroup': 'ungroup',
         '#tool_unlink_use': 'unlink_use',
-
         '#tool_alignleft, #tool_posleft': 'align_left',
         '#tool_aligncenter, #tool_poscenter': 'align_center',
         '#tool_alignright, #tool_posright': 'align_right',
@@ -26224,25 +28888,19 @@
         '#tool_alignmiddle, #tool_posmiddle': 'align_middle',
         '#tool_alignbottom, #tool_posbottom': 'align_bottom',
         '#cur_position': 'align',
-
         '#linecap_butt,#cur_linecap': 'linecap_butt',
         '#linecap_round': 'linecap_round',
         '#linecap_square': 'linecap_square',
-
         '#linejoin_miter,#cur_linejoin': 'linejoin_miter',
         '#linejoin_round': 'linejoin_round',
         '#linejoin_bevel': 'linejoin_bevel',
-
         '#url_notice': 'warning',
-
         '#layer_up': 'go_up',
         '#layer_down': 'go_down',
         '#layer_moreopts': 'context_menu',
         '#layerlist td.layervis': 'eye',
-
         '#tool_source_save,#tool_docprops_save,#tool_prefs_save': 'ok',
         '#tool_source_cancel,#tool_docprops_cancel,#tool_prefs_cancel': 'cancel',
-
         '#rwidthLabel, #iwidthLabel': 'width',
         '#rheightLabel, #iheightLabel': 'height',
         '#cornerRadiusLabel span': 'c_radius',
@@ -26254,7 +28912,6 @@
         '#group_opacityLabel': 'opacity',
         '#blurLabel': 'blur',
         '#font_sizeLabel': 'fontsize',
-
         '.flyout_arrow_horiz': 'arrow_right',
         '.dropdown button, #main_button .dropdown': 'arrow_down',
         '#palette .palette_item:first, #fill_bg, #stroke_bg': 'no_color'
@@ -26275,26 +28932,26 @@
         $$b('.toolbar_button button > svg, .toolbar_button button > img').each(function () {
           $$b(this).parent().prepend(this);
         });
-
         var tleft = $$b('#tools_left');
+        var minHeight;
 
-        var minHeight = void 0;
         if (tleft.length) {
           minHeight = tleft.offset().top + tleft.outerHeight();
         }
 
         var size = $$b.pref('iconsize');
-        editor.setIconSize(size || ($$b(window).height() < minHeight ? 's' : 'm'));
+        editor.setIconSize(size || ($$b(window).height() < minHeight ? 's' : 'm')); // Look for any missing flyout icons from plugins
 
-        // Look for any missing flyout icons from plugins
         $$b('.tools_flyout').each(function () {
           var shower = $$b('#' + this.id + '_show');
-          var sel = shower.attr('data-curopt');
-          // Check if there's an icon here
+          var sel = shower.attr('data-curopt'); // Check if there's an icon here
+
           if (!shower.children('svg, img').length) {
             var clone = $$b(sel).children().clone();
+
             if (clone.length) {
               clone[0].removeAttribute('style'); // Needed for Opera
+
               shower.append(clone);
             }
           }
@@ -26304,55 +28961,68 @@
           switch (stylesheet) {
             case 'jgraduate/css/jPicker.css':
               return 1;
+
             case 'jgraduate/css/jGraduate.css':
               return 2;
+
             case 'svg-editor.css':
               return 3;
+
             case 'spinbtn/jQuery.SpinButton.css':
               return 4;
+
             default:
               return Infinity;
           }
         }
+
         var stylesheets = $$b.loadingStylesheets.sort(function (a, b) {
           var priorityA = getStylesheetPriority(a);
           var priorityB = getStylesheetPriority(b);
+
           if (priorityA === priorityB) {
             return 0;
           }
+
           return priorityA > priorityB;
         });
+
         if (curConfig.stylesheets.length) {
           // Ensure a copy with unique items
-          stylesheets = [].concat(toConsumableArray(new Set(curConfig.stylesheets)));
+          stylesheets = _toConsumableArray(new Set(curConfig.stylesheets));
           var idx = stylesheets.indexOf('@default');
+
           if (idx > -1) {
             var _stylesheets;
 
-            (_stylesheets = stylesheets).splice.apply(_stylesheets, [idx, 1].concat(toConsumableArray($$b.loadingStylesheets)));
+            (_stylesheets = stylesheets).splice.apply(_stylesheets, [idx, 1].concat(_toConsumableArray($$b.loadingStylesheets)));
           }
         }
-        loadStylesheets(stylesheets, { acceptErrors: function acceptErrors(_ref8) {
+
+        loadStylesheets(stylesheets, {
+          acceptErrors: function acceptErrors(_ref8) {
             var stylesheetURL = _ref8.stylesheetURL,
                 reject = _ref8.reject,
                 resolve = _ref8.resolve;
 
             if ($$b.loadingStylesheets.includes(stylesheetURL)) {
-              reject(new Error('Missing expected stylesheet: ' + stylesheetURL));
+              reject(new Error("Missing expected stylesheet: ".concat(stylesheetURL)));
               return;
             }
+
             resolve();
-          } }).then(function () {
+          }
+        }).then(function () {
           $$b('#svg_container')[0].style.visibility = 'visible';
           editor.runCallbacks();
         });
       }
     });
-
     /**
     * @name module:SVGEditor.canvas
     * @type {module:svgcanvas.SvgCanvas}
     */
+
     editor.canvas = svgCanvas = new SvgCanvas(document.getElementById('svgcanvas'), curConfig);
     var palette = [// Todo: Make into configuration item?
     '#000000', '#3f3f3f', '#7f7f7f', '#bfbfbf', '#ffffff', '#ff0000', '#ff7f00', '#ffff00', '#7fff00', '#00ff00', '#00ff7f', '#00ffff', '#007fff', '#0000ff', '#7f00ff', '#ff00ff', '#ff007f', '#7f0000', '#7f3f00', '#7f7f00', '#3f7f00', '#007f00', '#007f3f', '#007f7f', '#003f7f', '#00007f', '#3f007f', '#7f007f', '#7f003f', '#ffaaaa', '#ffd4aa', '#ffffaa', '#d4ffaa', '#aaffaa', '#aaffd4', '#aaffff', '#aad4ff', '#aaaaff', '#d4aaff', '#ffaaff', '#ffaad4'],
@@ -26362,21 +29032,21 @@
         undoMgr = _svgCanvas.undoMgr,
         workarea = $$b('#workarea'),
         canvMenu = $$b('#cmenu_canvas'),
-        paintBox = { fill: null, stroke: null };
-
-
-    var resizeTimer = void 0,
-        curScrollPos = void 0;
+        paintBox = {
+      fill: null,
+      stroke: null
+    };
+    var resizeTimer, curScrollPos;
     var exportWindow = null,
         defaultImageURL = curConfig.imgPath + 'logo.png',
         zoomInIcon = 'crosshair',
         zoomOutIcon = 'crosshair',
-        uiContext = 'toolbars';
+        uiContext = 'toolbars'; // For external openers
 
-    // For external openers
     (function () {
       // let the opener know SVG Edit is ready (now that config is set up)
       var w = window.opener || window.parent;
+
       if (w) {
         try {
           /**
@@ -26387,6 +29057,7 @@
            * @property {true} bubbles
            * @property {true} cancelable
            */
+
           /**
            * @name module:SVGEditor.svgEditorReadyEvent
            * @type {module:SVGEditor#event:svgEditorReadyEvent}
@@ -26398,38 +29069,39 @@
           w.document.documentElement.dispatchEvent(svgEditorReadyEvent);
         } catch (e) {}
       }
-    })();
-
-    // This sets up alternative dialog boxes. They mostly work the same way as
+    })(); // This sets up alternative dialog boxes. They mostly work the same way as
     // their UI counterparts, expect instead of returning the result, a callback
     // needs to be included that returns the result as its first parameter.
     // In the future we may want to add additional types of dialog boxes, since
     // they should be easy to handle this way.
+
+
     (function () {
       $$b('#dialog_container').draggable({
         cancel: '#dialog_content, #dialog_buttons *',
         containment: 'window'
       }).css('position', 'absolute');
+
       var box = $$b('#dialog_box'),
           btnHolder = $$b('#dialog_buttons'),
           dialogContent = $$b('#dialog_content'),
           dbox = function dbox(type, msg, callback, defaultVal, opts, changeCb, checkbox) {
         dialogContent.html('<p>' + msg.replace(/\n/g, '</p><p>') + '</p>').toggleClass('prompt', type === 'prompt');
         btnHolder.empty();
-
         var ok = $$b('<input type="button" value="' + uiStrings$1.common.ok + '">').appendTo(btnHolder);
 
         if (type !== 'alert') {
           $$b('<input type="button" value="' + uiStrings$1.common.cancel + '">').appendTo(btnHolder).click(function () {
             box.hide();
+
             if (callback) {
               callback(false); // eslint-disable-line standard/no-callback-literal
             }
           });
         }
 
-        var ctrl = void 0,
-            chkbx = void 0;
+        var ctrl, chkbx;
+
         if (type === 'prompt') {
           ctrl = $$b('<input type="text">').prependTo(btnHolder);
           ctrl.val(defaultVal || '');
@@ -26439,30 +29111,37 @@
         } else if (type === 'select') {
           var div = $$b('<div style="text-align:center;">');
           ctrl = $$b('<select>').appendTo(div);
+
           if (checkbox) {
             var label = $$b('<label>').text(checkbox.label);
             chkbx = $$b('<input type="checkbox">').appendTo(label);
             chkbx.val(checkbox.value);
+
             if (checkbox.tooltip) {
               label.attr('title', checkbox.tooltip);
             }
+
             chkbx.prop('checked', !!checkbox.checked);
             div.append($$b('<div>').append(label));
           }
+
           $$b.each(opts || [], function (opt, val) {
-            if ((typeof val === 'undefined' ? 'undefined' : _typeof(val)) === 'object') {
+            if (_typeof(val) === 'object') {
               ctrl.append($$b('<option>').val(val.value).html(val.text));
             } else {
               ctrl.append($$b('<option>').html(val));
             }
           });
           dialogContent.append(div);
+
           if (defaultVal) {
             ctrl.val(defaultVal);
           }
+
           if (changeCb) {
             ctrl.bind('change', 'return', changeCb);
           }
+
           ctrl.bind('keydown', 'return', function () {
             ok.click();
           });
@@ -26471,10 +29150,10 @@
         }
 
         box.show();
-
         ok.click(function () {
           box.hide();
           var resp = type === 'prompt' || type === 'select' ? ctrl.val() : true;
+
           if (callback) {
             if (chkbx) {
               callback(resp, chkbx.prop('checked'));
@@ -26492,15 +29171,19 @@
       $$b.alert = function (msg, cb) {
         dbox('alert', msg, cb);
       };
+
       $$b.confirm = function (msg, cb) {
         dbox('confirm', msg, cb);
       };
+
       $$b.process_cancel = function (msg, cb) {
         dbox('process', msg, cb);
       };
+
       $$b.prompt = function (msg, txt, cb) {
         dbox('prompt', msg, cb, txt);
       };
+
       $$b.select = function (msg, opts, cb, changeCb, txt, checkbox) {
         dbox('select', msg, cb, txt, opts, changeCb, checkbox);
       };
@@ -26508,33 +29191,37 @@
 
     var setSelectMode = function setSelectMode() {
       var curr = $$b('.tool_button_current');
+
       if (curr.length && curr[0].id !== 'tool_select') {
         curr.removeClass('tool_button_current').addClass('tool_button');
         $$b('#tool_select').addClass('tool_button_current').removeClass('tool_button');
         $$b('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all} #svgcanvas svg{cursor:default}');
       }
+
       svgCanvas.setMode('select');
       workarea.css('cursor', 'auto');
-    };
-
-    // used to make the flyouts stay on the screen longer the very first time
+    }; // used to make the flyouts stay on the screen longer the very first time
     // const flyoutspeed = 1250; // Currently unused
     // let textBeingEntered = false; // Currently unused
-    var origTitle = $$b('title:first').text();
-    // Make [1,2,5] array
+
+
+    var origTitle = $$b('title:first').text(); // Make [1,2,5] array
+
     var rIntervals = [];
+
     for (var i = 0.1; i < 1E5; i *= 10) {
       rIntervals.push(i);
       rIntervals.push(2 * i);
       rIntervals.push(5 * i);
-    }
-
-    // This function highlights the layer passed in (by fading out the other layers)
+    } // This function highlights the layer passed in (by fading out the other layers)
     // if no layer is passed in, this function restores the other layers
+
+
     var toggleHighlightLayer = function toggleHighlightLayer(layerNameToHighlight) {
-      var i = void 0;
+      var i;
       var curNames = [],
           numLayers = svgCanvas.getCurrentDrawing().getNumLayers();
+
       for (i = 0; i < numLayers; i++) {
         curNames[i] = svgCanvas.getCurrentDrawing().getLayerName(i);
       }
@@ -26559,22 +29246,26 @@
       var drawing = svgCanvas.getCurrentDrawing();
       var currentLayerName = drawing.getCurrentLayerName();
       var icon = $$b.getSvgIcon('eye');
-      var layer = svgCanvas.getCurrentDrawing().getNumLayers();
-      // we get the layers in the reverse z-order (the layer rendered on top is listed first)
+      var layer = svgCanvas.getCurrentDrawing().getNumLayers(); // we get the layers in the reverse z-order (the layer rendered on top is listed first)
+
       while (layer--) {
-        var _name3 = drawing.getLayerName(layer);
-        var layerTr = $$b('<tr class="layer">').toggleClass('layersel', _name3 === currentLayerName);
-        var layerVis = $$b('<td class="layervis">').toggleClass('layerinvis', !drawing.getLayerVisibility(_name3));
-        var layerName = $$b('<td class="layername">' + _name3 + '</td>');
+        var name = drawing.getLayerName(layer);
+        var layerTr = $$b('<tr class="layer">').toggleClass('layersel', name === currentLayerName);
+        var layerVis = $$b('<td class="layervis">').toggleClass('layerinvis', !drawing.getLayerVisibility(name));
+        var layerName = $$b('<td class="layername">' + name + '</td>');
         layerlist.append(layerTr.append(layerVis, layerName));
-        selLayerNames.append('<option value="' + _name3 + '">' + _name3 + '</option>');
+        selLayerNames.append('<option value="' + name + '">' + name + '</option>');
       }
+
       if (icon !== undefined) {
         var copy = icon.clone();
         $$b('td.layervis', layerlist).append(copy);
-        $$b.resizeSvgIcons({ 'td.layervis .svg_icon': 14 });
-      }
-      // handle selection of layer
+        $$b.resizeSvgIcons({
+          'td.layervis .svg_icon': 14
+        });
+      } // handle selection of layer
+
+
       $$b('#layerlist td.layername').mouseup(function (evt) {
         $$b('#layerlist tr.layer').removeClass('layersel');
         $$b(this.parentNode).addClass('layersel');
@@ -26591,10 +29282,10 @@
         var vis = $$b(this).hasClass('layerinvis');
         svgCanvas.setLayerVisibility(name, vis);
         $$b(this).toggleClass('layerinvis');
-      });
+      }); // if there were too few rows, let's add a few to make it not so lonely
 
-      // if there were too few rows, let's add a few to make it not so lonely
       var num = 5 - $$b('#layerlist tr.layer').size();
+
       while (num-- > 0) {
         // FIXME: there must a better way to do this
         layerlist.append('<tr><td style="color:white">_</td><td/></tr>');
@@ -26603,6 +29294,7 @@
 
     var editingsource = false;
     var origSource = '';
+
     var showSourceEditor = function showSourceEditor(e, forSaving) {
       if (editingsource) {
         return;
@@ -26623,12 +29315,14 @@
     var togglePathEditMode = function togglePathEditMode(editmode, elems) {
       $$b('#path_node_panel').toggle(editmode);
       $$b('#tools_bottom_2,#tools_bottom_3').toggle(!editmode);
+
       if (editmode) {
         // Change select icon
         $$b('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
         $$b('#tool_select').addClass('tool_button_current').removeClass('tool_button');
         setIcon('#tool_select', 'select_node');
         multiselected = false;
+
         if (elems.length) {
           selectedElement = elems[0];
         }
@@ -26638,7 +29332,6 @@
         }, 1000);
       }
     };
-
     /**
      * @type {module:svgcanvas.EventHandler}
      * @param {external:Window} wind
@@ -26646,34 +29339,33 @@
      * @listens module:svgcanvas.SvgCanvas#event:saved
      * @returns {undefined}
      */
+
+
     var saveHandler = function saveHandler(wind, svg) {
-      editor.showSaveWarning = false;
-
-      // by default, we add the XML prolog back, systems integrating SVG-edit (wikis, CMSs)
+      editor.showSaveWarning = false; // by default, we add the XML prolog back, systems integrating SVG-edit (wikis, CMSs)
       // can just provide their own custom save handler and might not want the XML prolog
-      svg = '<?xml version="1.0"?>\n' + svg;
 
-      // IE9 doesn't allow standalone Data URLs
+      svg = '<?xml version="1.0"?>\n' + svg; // IE9 doesn't allow standalone Data URLs
       // https://connect.microsoft.com/IE/feedback/details/542600/data-uri-images-fail-when-loaded-by-themselves
+
       if (isIE()) {
         showSourceEditor(0, true);
         return;
-      }
-
-      // Since saving SVGs by opening a new window was removed in Chrome use artificial link-click
+      } // Since saving SVGs by opening a new window was removed in Chrome use artificial link-click
       // https://stackoverflow.com/questions/45603201/window-is-not-allowed-to-navigate-top-frame-navigations-to-data-urls
+
+
       var a = document.createElement('a');
       a.href = 'data:image/svg+xml;base64,' + encode64(svg);
       a.download = 'icon.svg';
-
-      a.click();
-
-      // Alert will only appear the first time saved OR the
+      a.click(); // Alert will only appear the first time saved OR the
       //   first time the bug is encountered
+
       var done = $$b.pref('save_notice_done');
+
       if (done !== 'all') {
-        var note = uiStrings$1.notification.saveFromBrowser.replace('%s', 'SVG');
-        // Check if FF and has <defs/>
+        var note = uiStrings$1.notification.saveFromBrowser.replace('%s', 'SVG'); // Check if FF and has <defs/>
+
         if (isGecko()) {
           if (svg.includes('<defs')) {
             // warning about Mozilla bug #308590 when applicable (seems to be fixed now in Feb 2013)
@@ -26686,23 +29378,24 @@
         } else {
           $$b.pref('save_notice_done', 'all');
         }
+
         if (done !== 'part') {
           alert(note);
         }
       }
     };
-
     /**
      * @param {external:Window} win
      * @param {module:svgcanvas.SvgCanvas#event:exported} data
      * @listens module:svgcanvas.SvgCanvas#event:exported
      * @returns {undefined}
      */
+
+
     var exportHandler = function exportHandler(win, data) {
       var issues = data.issues,
           exportWindowName = data.exportWindowName;
 
-
       if (exportWindowName) {
         exportWindow = window.open(blankPageObjectURL || '', exportWindowName); // A hack to get the window via JSON-able name without opening a new one
       }
@@ -26714,17 +29407,17 @@
 
       exportWindow.location.href = data.bloburl || data.datauri;
       var done = $$b.pref('export_notice_done');
+
       if (done !== 'all') {
-        var note = uiStrings$1.notification.saveFromBrowser.replace('%s', data.type);
+        var note = uiStrings$1.notification.saveFromBrowser.replace('%s', data.type); // Check if there are issues
 
-        // Check if there are issues
         if (issues.length) {
-          var pre = '\n \u2022 ';
+          var pre = "\n \u2022 ";
           note += '\n\n' + uiStrings$1.notification.noteTheseIssues + pre + issues.join(pre);
-        }
-
-        // Note that this will also prevent the notice even though new issues may appear later.
+        } // Note that this will also prevent the notice even though new issues may appear later.
         // May want to find a way to deal with that without annoying the user
+
+
         $$b.pref('export_notice_done', 'all');
         exportWindow.alert(note);
       }
@@ -26735,12 +29428,12 @@
       if (!window.opera) {
         return;
       }
+
       $$b('<p/>').hide().appendTo('body').remove();
     };
 
     function setStrokeOpt(opt, changeElem) {
       var id = opt.id;
-
       var bits = id.split('_');
       var pre = bits[0];
       var val = bits[1];
@@ -26748,11 +29441,11 @@
       if (changeElem) {
         svgCanvas.setStrokeAttr('stroke-' + pre, val);
       }
+
       operaRepaint();
       setIcon('#cur_' + pre, id, 20);
       $$b(opt).addClass('current').siblings().removeClass('current');
     }
-
     /**
     * This is a common function used when a tool has been clicked (chosen)
     * It does several common things:
@@ -26764,47 +29457,56 @@
     * @param {boolean} noHiding Whether not to hide any flyouts
     * @returns {boolean} Whether the button was disabled or not
     */
+
+
     var toolButtonClick = editor.toolButtonClick = function (button, noHiding) {
       if ($$b(button).hasClass('disabled')) {
         return false;
       }
+
       if ($$b(button).parent().hasClass('tools_flyout')) {
         return true;
       }
+
       var fadeFlyouts = 'normal';
+
       if (!noHiding) {
         $$b('.tools_flyout').fadeOut(fadeFlyouts);
       }
+
       $$b('#styleoverrides').text('');
       workarea.css('cursor', 'auto');
       $$b('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
       $$b(button).addClass('tool_button_current').removeClass('tool_button');
       return true;
     };
-
     /**
     * Unless the select toolbar button is disabled, sets the button
     * and sets the select mode and cursor styles.
     * @function module:SVGEditor.clickSelect
     * @returns {undefined}
     */
+
+
     var clickSelect = editor.clickSelect = function () {
       if (toolButtonClick('#tool_select')) {
         svgCanvas.setMode('select');
         $$b('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all}, #svgcanvas svg{cursor:default}');
       }
     };
-
     /**
     * Set a selected image's URL
     * @function module:SVGEditor.setImageURL
     * @param {string} url
     * @returns {undefined}
     */
+
+
     var setImageURL = editor.setImageURL = function (url) {
       if (!url) {
         url = defaultImageURL;
       }
+
       svgCanvas.setImageURL(url);
       $$b('#image_url').val(url);
 
@@ -26827,16 +29529,15 @@
     function setBackground(color, url) {
       // if (color == $.pref('bkgd_color') && url == $.pref('bkgd_url')) { return; }
       $$b.pref('bkgd_color', color);
-      $$b.pref('bkgd_url', url);
+      $$b.pref('bkgd_url', url); // This should be done in svgcanvas.js for the borderRect fill
 
-      // This should be done in svgcanvas.js for the borderRect fill
       svgCanvas.setBackground(color, url);
     }
 
     function promptImgURL() {
       var _ref9 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
           _ref9$cancelDeletes = _ref9.cancelDeletes,
-          cancelDeletes = _ref9$cancelDeletes === undefined ? false : _ref9$cancelDeletes;
+          cancelDeletes = _ref9$cancelDeletes === void 0 ? false : _ref9$cancelDeletes;
 
       var curhref = svgCanvas.getHref(selectedElement);
       curhref = curhref.startsWith('data:') ? '' : curhref;
@@ -26858,33 +29559,29 @@
       if (!zoom) {
         zoom = svgCanvas.getZoom();
       }
+
       if (!scanvas) {
         scanvas = $$b('#svgcanvas');
       }
 
-      var d = void 0,
-          i = void 0;
+      var d, i;
       var limit = 30000;
       var contentElem = svgCanvas.getContentElem();
       var units = getTypeMap();
       var unit = units[curConfig.baseUnit]; // 1 = 1px
-
       // draw x ruler then y ruler
+
       for (d = 0; d < 2; d++) {
         var isX = d === 0;
         var dim = isX ? 'x' : 'y';
         var lentype = isX ? 'width' : 'height';
         var contentDim = Number(contentElem.getAttribute(dim));
+        var $hcanvOrig = $$b('#ruler_' + dim + ' canvas:first'); // Bit of a hack to fully clear the canvas in Safari & IE9
 
-        var $hcanvOrig = $$b('#ruler_' + dim + ' canvas:first');
-
-        // Bit of a hack to fully clear the canvas in Safari & IE9
         var $hcanv = $hcanvOrig.clone();
         $hcanvOrig.replaceWith($hcanv);
+        var hcanv = $hcanv[0]; // Set the canvas size to the width of the container
 
-        var hcanv = $hcanv[0];
-
-        // Set the canvas size to the width of the container
         var rulerLen = scanvas[lentype]();
         var totalLen = rulerLen;
         hcanv.parentNode.style[lentype] = totalLen + 'px';
@@ -26892,19 +29589,17 @@
         var ctxArr = void 0,
             num = void 0,
             ctxArrNum = void 0;
-
         ctx.fillStyle = 'rgb(200,0,0)';
-        ctx.fillRect(0, 0, hcanv.width, hcanv.height);
+        ctx.fillRect(0, 0, hcanv.width, hcanv.height); // Remove any existing canvasses
 
-        // Remove any existing canvasses
-        $hcanv.siblings().remove();
+        $hcanv.siblings().remove(); // Create multiple canvases when necessary (due to browser limits)
 
-        // Create multiple canvases when necessary (due to browser limits)
         if (rulerLen >= limit) {
           ctxArrNum = parseInt(rulerLen / limit, 10) + 1;
           ctxArr = [];
           ctxArr[0] = ctx;
           var copy = void 0;
+
           for (i = 1; i < ctxArrNum; i++) {
             hcanv[lentype] = limit;
             copy = hcanv.cloneNode(true);
@@ -26912,40 +29607,38 @@
             ctxArr[i] = copy.getContext('2d');
           }
 
-          copy[lentype] = rulerLen % limit;
+          copy[lentype] = rulerLen % limit; // set copy width to last
 
-          // set copy width to last
           rulerLen = limit;
         }
 
         hcanv[lentype] = rulerLen;
+        var uMulti = unit * zoom; // Calculate the main number interval
 
-        var uMulti = unit * zoom;
-
-        // Calculate the main number interval
         var rawM = 50 / uMulti;
         var multi = 1;
+
         for (i = 0; i < rIntervals.length; i++) {
           num = rIntervals[i];
           multi = num;
+
           if (rawM <= num) {
             break;
           }
         }
 
         var bigInt = multi * uMulti;
-
         ctx.font = '9px sans-serif';
-
         var rulerD = contentDim / uMulti % multi * uMulti;
-        var labelPos = rulerD - bigInt;
-        // draw big intervals
+        var labelPos = rulerD - bigInt; // draw big intervals
+
         var ctxNum = 0;
+
         while (rulerD < totalLen) {
-          labelPos += bigInt;
-          // const realD = rulerD - contentDim; // Currently unused
+          labelPos += bigInt; // const realD = rulerD - contentDim; // Currently unused
 
           var curD = Math.round(rulerD) + 0.5;
+
           if (isX) {
             ctx.moveTo(curD, 15);
             ctx.lineTo(curD, 0);
@@ -26956,14 +29649,15 @@
 
           num = (labelPos - contentDim) / uMulti;
           var label = void 0;
+
           if (multi >= 1) {
             label = Math.round(num);
           } else {
             var decs = String(multi).split('.')[1].length;
             label = num.toFixed(decs);
-          }
+          } // Change 1000s to Ks
+
 
-          // Change 1000s to Ks
           if (label !== 0 && label !== 1000 && label % 1000 === 0) {
             label = label / 1000 + 'K';
           }
@@ -26973,30 +29667,35 @@
           } else {
             // draw label vertically
             var _str = String(label).split('');
+
             for (i = 0; i < _str.length; i++) {
               ctx.fillText(_str[i], 1, rulerD + 9 + i * 9);
             }
           }
 
-          var part = bigInt / 10;
-          // draw the small intervals
+          var part = bigInt / 10; // draw the small intervals
+
           for (i = 1; i < 10; i++) {
             var subD = Math.round(rulerD + part * i) + 0.5;
+
             if (ctxArr && subD > rulerLen) {
               ctxNum++;
               ctx.stroke();
+
               if (ctxNum >= ctxArrNum) {
                 i = 10;
                 rulerD = totalLen;
                 continue;
               }
+
               ctx = ctxArr[ctxNum];
               rulerD -= limit;
               subD = Math.round(rulerD + part * i) + 0.5;
-            }
+            } // odd lines are slighly longer
+
 
-            // odd lines are slighly longer
             var lineNum = i % 2 ? 12 : 10;
+
             if (isX) {
               ctx.moveTo(subD, 15);
               ctx.lineTo(subD, lineNum);
@@ -27005,24 +29704,26 @@
               ctx.lineTo(lineNum, subD);
             }
           }
+
           rulerD += bigInt;
         }
+
         ctx.strokeStyle = '#000';
         ctx.stroke();
       }
     }
-
     /**
     * @function module:SVGEditor.updateCanvas
     * @param {boolean} center
     * @param {module:math.XYObject} newCtr
     * @returns {undefined}
     */
+
+
     var updateCanvas = editor.updateCanvas = function (center, newCtr) {
       var zoom = svgCanvas.getZoom();
       var wArea = workarea;
       var cnvs = $$b('#svgcanvas');
-
       var w = workarea.width(),
           h = workarea.height();
       var wOrig = w,
@@ -27047,19 +29748,15 @@
       var newCanY = h / 2;
       var newCanX = w / 2;
       var offset = svgCanvas.updateCanvas(w, h);
-
       var ratio = newCanX / oldCanX;
-
       var scrollX = w / 2 - wOrig / 2;
       var scrollY = h / 2 - hOrig / 2;
 
       if (!newCtr) {
         var oldDistX = oldCtr.x - oldCanX;
         var newX = newCanX + oldDistX * ratio;
-
         var oldDistY = oldCtr.y - oldCanY;
         var newY = newCanY + oldDistY * ratio;
-
         newCtr = {
           x: newX,
           y: newY
@@ -27084,32 +29781,37 @@
         wArea[0].scrollLeft = newCtr.x - wOrig / 2;
         wArea[0].scrollTop = newCtr.y - hOrig / 2;
       }
+
       if (curConfig.showRulers) {
         updateRulers(cnvs, zoom);
         workarea.scroll();
       }
+
       if (urldata.storagePrompt !== true && !editor.storagePromptClosed) {
         $$b('#dialog_box').hide();
       }
     };
-
     /**
      * @fires module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate
      * @returns {undefined}
      */
+
+
     var updateToolButtonState = function updateToolButtonState() {
-      var index = void 0,
-          button = void 0;
+      var index, button;
       var bNoFill = svgCanvas.getColor('fill') === 'none';
       var bNoStroke = svgCanvas.getColor('stroke') === 'none';
       var buttonsNeedingStroke = ['#tool_fhpath', '#tool_line'];
       var buttonsNeedingFillAndStroke = ['#tools_rect .tool_button', '#tools_ellipse .tool_button', '#tool_text', '#tool_path'];
+
       if (bNoStroke) {
         for (index in buttonsNeedingStroke) {
           button = buttonsNeedingStroke[index];
+
           if ($$b(button).hasClass('tool_button_current')) {
             clickSelect();
           }
+
           $$b(button).addClass('disabled');
         }
       } else {
@@ -27122,9 +29824,11 @@
       if (bNoStroke && bNoFill) {
         for (index in buttonsNeedingFillAndStroke) {
           button = buttonsNeedingFillAndStroke[index];
+
           if ($$b(button).hasClass('tool_button_current')) {
             clickSelect();
           }
+
           $$b(button).addClass('disabled');
         }
       } else {
@@ -27134,12 +29838,13 @@
         }
       }
 
-      svgCanvas.runExtensions('toolButtonStateUpdate', /** @type {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} */{
+      svgCanvas.runExtensions('toolButtonStateUpdate',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} */
+      {
         nofill: bNoFill,
         nostroke: bNoStroke
-      });
+      }); // Disable flyouts if all inside are disabled
 
-      // Disable flyouts if all inside are disabled
       $$b('.tools_flyout').each(function () {
         var shower = $$b('#' + this.id + '_show');
         var hasEnabled = false;
@@ -27150,26 +29855,27 @@
         });
         shower.toggleClass('disabled', !hasEnabled);
       });
-
       operaRepaint();
-    };
-
-    // Updates the toolbar (colors, opacity, etc) based on the selected element
+    }; // Updates the toolbar (colors, opacity, etc) based on the selected element
     // This function also updates the opacity and id elements that are in the context panel
+
+
     var updateToolbar = function updateToolbar() {
-      var i = void 0,
-          len = void 0;
+      var i, len;
+
       if (selectedElement != null) {
         switch (selectedElement.tagName) {
           case 'use':
           case 'image':
           case 'foreignObject':
             break;
+
           case 'g':
           case 'a':
             // Look for common styles
             var childs = selectedElement.getElementsByTagName('*');
             var gWidth = null;
+
             for (i = 0, len = childs.length; i < len; i++) {
               var swidth = childs[i].getAttribute('stroke-width');
 
@@ -27181,18 +29887,15 @@
             }
 
             $$b('#stroke_width').val(gWidth === null ? '' : gWidth);
-
             paintBox.fill.update(true);
             paintBox.stroke.update(true);
-
             break;
+
           default:
             paintBox.fill.update(true);
             paintBox.stroke.update(true);
-
             $$b('#stroke_width').val(selectedElement.getAttribute('stroke-width') || 1);
             $$b('#stroke_style').val(selectedElement.getAttribute('stroke-dasharray') || 'none');
-
             var attr = selectedElement.getAttribute('stroke-linejoin') || 'miter';
 
             if ($$b('#linejoin_' + attr).length) {
@@ -27204,10 +29907,11 @@
             if ($$b('#linecap_' + attr).length) {
               setStrokeOpt($$b('#linecap_' + attr)[0]);
             }
-        }
-      }
 
-      // All elements including image and group have opacity
+        }
+      } // All elements including image and group have opacity
+
+
       if (selectedElement != null) {
         var opacPerc = (selectedElement.getAttribute('opacity') || 1.0) * 100;
         $$b('#group_opacity').val(opacPerc);
@@ -27217,25 +29921,26 @@
       }
 
       updateToolButtonState();
-    };
+    }; // updates the context panel tools based on the selected element
+
 
-    // updates the context panel tools based on the selected element
     var updateContextPanel = function updateContextPanel() {
-      var elem = selectedElement;
-      // If element has just been deleted, consider it null
+      var elem = selectedElement; // If element has just been deleted, consider it null
+
       if (elem != null && !elem.parentNode) {
         elem = null;
       }
+
       var currentLayerName = svgCanvas.getCurrentDrawing().getCurrentLayerName();
       var currentMode = svgCanvas.getMode();
       var unit = curConfig.baseUnit !== 'px' ? curConfig.baseUnit : null;
-
       var isNode = currentMode === 'pathedit'; // elem ? (elem.id && elem.id.startsWith('pathpointgrip')) : false;
+
       var menuItems = $$b('#cmenu_canvas li');
       $$b('#selected_panel, #multiselected_panel, #g_panel, #rect_panel, #circle_panel,' + '#ellipse_panel, #line_panel, #text_panel, #image_panel, #container_panel,' + ' #use_panel, #a_panel').hide();
+
       if (elem != null) {
-        var elname = elem.nodeName;
-        // If this is a link with no transform and one child, pretend
+        var elname = elem.nodeName; // If this is a link with no transform and one child, pretend
         // its child is selected
         // if (elname === 'a') { // && !$(elem).attr('transform')) {
         //   elem = elem.firstChild;
@@ -27243,7 +29948,6 @@
 
         var angle = svgCanvas.getRotationAngle(elem);
         $$b('#angle').val(angle);
-
         var blurval = svgCanvas.getBlur(elem);
         $$b('#blur').val(blurval);
         $$b('#blur_slider').slider('option', 'value', blurval);
@@ -27252,26 +29956,28 @@
           if (elname === 'image' && svgCanvas.getMode() === 'image') {
             // Prompt for URL if not a data URL
             if (!svgCanvas.getHref(elem).startsWith('data:')) {
-              promptImgURL({ cancelDeletes: true });
+              promptImgURL({
+                cancelDeletes: true
+              });
             }
           }
           /* else if (elname == 'text') {
             // TODO: Do something here for new text
           } */
+
         }
 
         if (!isNode && currentMode !== 'pathedit') {
-          $$b('#selected_panel').show();
-          // Elements in this array already have coord fields
+          $$b('#selected_panel').show(); // Elements in this array already have coord fields
+
           if (['line', 'circle', 'ellipse'].includes(elname)) {
             $$b('#xy_panel').hide();
           } else {
-            var x = void 0,
-                y = void 0;
+            var x, y; // Get BBox vals for g, polyline and path
 
-            // Get BBox vals for g, polyline and path
             if (['g', 'polyline', 'path'].includes(elname)) {
               var bb = svgCanvas.getStrokedBBox([elem]);
+
               if (bb) {
                 x = bb.x;
                 y = bb.y;
@@ -27289,9 +29995,9 @@
             $$b('#selected_x').val(x || 0);
             $$b('#selected_y').val(y || 0);
             $$b('#xy_panel').show();
-          }
+          } // Elements in this array cannot be converted to a path
+
 
-          // Elements in this array cannot be converted to a path
           var noPath = !['image', 'text', 'path', 'g', 'use'].includes(elname);
           $$b('#tool_topath').toggle(noPath);
           $$b('#tool_reorient').toggle(elname === 'path');
@@ -27299,29 +30005,32 @@
         } else {
           var point = path.getNodePoint();
           $$b('#tool_add_subpath').removeClass('push_button_pressed').addClass('tool_button');
-          $$b('#tool_node_delete').toggleClass('disabled', !path.canDeleteNodes);
+          $$b('#tool_node_delete').toggleClass('disabled', !path.canDeleteNodes); // Show open/close button based on selected point
 
-          // Show open/close button based on selected point
           setIcon('#tool_openclose_path', path.closed_subpath ? 'open_path' : 'close_path');
 
           if (point) {
             var segType = $$b('#seg_type');
+
             if (unit) {
               point.x = convertUnit(point.x);
               point.y = convertUnit(point.y);
             }
+
             $$b('#path_node_x').val(point.x);
             $$b('#path_node_y').val(point.y);
+
             if (point.type) {
               segType.val(point.type).removeAttr('disabled');
             } else {
               segType.val(4).attr('disabled', 'disabled');
             }
           }
-          return;
-        }
 
-        // update contextual tools here
+          return;
+        } // update contextual tools here
+
+
         var panels = {
           g: [],
           a: [],
@@ -27333,15 +30042,13 @@
           text: [],
           use: []
         };
-
         var _elem = elem,
-            tagName = _elem.tagName;
-
-        // if ($(elem).data('gsvg')) {
+            tagName = _elem.tagName; // if ($(elem).data('gsvg')) {
         //   $('#g_panel').show();
         // }
 
         var linkHref = null;
+
         if (tagName === 'a') {
           linkHref = svgCanvas.getHref(elem);
           $$b('#g_panel').show();
@@ -27352,9 +30059,9 @@
             $$b('#a_panel').show();
             linkHref = svgCanvas.getHref(elem.parentNode);
           }
-        }
+        } // Hide/show the make_link buttons
+
 
-        // Hide/show the make_link buttons
         $$b('#tool_make_link, #tool_make_link').toggle(!linkHref);
 
         if (linkHref) {
@@ -27363,44 +30070,47 @@
 
         if (panels[tagName]) {
           var curPanel = panels[tagName];
-
           $$b('#' + tagName + '_panel').show();
-
           $$b.each(curPanel, function (i, item) {
             var attrVal = elem.getAttribute(item);
+
             if (curConfig.baseUnit !== 'px' && elem[item]) {
               var bv = elem[item].baseVal.value;
               attrVal = convertUnit(bv);
             }
+
             $$b('#' + tagName + '_' + item).val(attrVal || 0);
           });
 
           if (tagName === 'text') {
             $$b('#text_panel').css('display', 'inline');
             $$b('#tool_font_size').css('display', 'inline');
+
             if (svgCanvas.getItalic()) {
               $$b('#tool_italic').addClass('push_button_pressed').removeClass('tool_button');
             } else {
               $$b('#tool_italic').removeClass('push_button_pressed').addClass('tool_button');
             }
+
             if (svgCanvas.getBold()) {
               $$b('#tool_bold').addClass('push_button_pressed').removeClass('tool_button');
             } else {
               $$b('#tool_bold').removeClass('push_button_pressed').addClass('tool_button');
             }
+
             $$b('#font_family').val(elem.getAttribute('font-family'));
             $$b('#font_size').val(elem.getAttribute('font-size'));
             $$b('#text').val(elem.textContent);
+
             if (svgCanvas.addedNew) {
               // Timeout needed for IE9
               setTimeout(function () {
                 $$b('#text').focus().select();
               }, 100);
-            }
-            // text
+            } // text
+
           } else if (tagName === 'image' && svgCanvas.getMode() === 'image') {
-            setImageURL(svgCanvas.getHref(elem));
-            // image
+            setImageURL(svgCanvas.getHref(elem)); // image
           } else if (tagName === 'g' || tagName === 'use') {
             $$b('#container_panel').show();
             var title = svgCanvas.getTitle();
@@ -27410,27 +30120,25 @@
             $$b('#g_title').prop('disabled', tagName === 'use');
           }
         }
+
         menuItems[(tagName === 'g' ? 'en' : 'dis') + 'ableContextMenuItems']('#ungroup');
-        menuItems[(tagName === 'g' || !multiselected ? 'dis' : 'en') + 'ableContextMenuItems']('#group');
-        // if (elem != null)
+        menuItems[(tagName === 'g' || !multiselected ? 'dis' : 'en') + 'ableContextMenuItems']('#group'); // if (elem != null)
       } else if (multiselected) {
         $$b('#multiselected_panel').show();
         menuItems.enableContextMenuItems('#group').disableContextMenuItems('#ungroup');
       } else {
         menuItems.disableContextMenuItems('#delete,#cut,#copy,#group,#ungroup,#move_front,#move_up,#move_down,#move_back');
-      }
+      } // update history buttons
+
 
-      // update history buttons
       $$b('#tool_undo').toggleClass('disabled', undoMgr.getUndoStackSize() === 0);
       $$b('#tool_redo').toggleClass('disabled', undoMgr.getRedoStackSize() === 0);
-
       svgCanvas.addedNew = false;
 
       if (elem && !isNode || multiselected) {
         // update the selected elements' layer
-        $$b('#selLayerNames').removeAttr('disabled').val(currentLayerName);
+        $$b('#selLayerNames').removeAttr('disabled').val(currentLayerName); // Enable regular menu options
 
-        // Enable regular menu options
         canvMenu.enableContextMenuItems('#delete,#cut,#copy,#move_front,#move_up,#move_down,#move_back');
       } else {
         $$b('#selLayerNames').attr('disabled', 'disabled');
@@ -27451,16 +30159,14 @@
 
     var updateTitle = function updateTitle(title) {
       title = title || svgCanvas.getDocumentTitle();
-      var newTitle = origTitle + (title ? ': ' + title : '');
-
-      // Remove title update with current context info, isn't really necessary
+      var newTitle = origTitle + (title ? ': ' + title : ''); // Remove title update with current context info, isn't really necessary
       // if (curContext) {
       //   new_title = new_title + curContext;
       // }
-      $$b('title:first').text(newTitle);
-    };
 
-    // called when we've selected a different element
+      $$b('title:first').text(newTitle);
+    }; // called when we've selected a different element
+
     /**
     *
     * @param {external:Window} win
@@ -27469,37 +30175,43 @@
     * @fires module:svgcanvas.SvgCanvas#event:ext-selectedChanged
     * @returns {undefined}
     */
+
+
     var selectedChanged = function selectedChanged(win, elems) {
       var mode = svgCanvas.getMode();
+
       if (mode === 'select') {
         setSelectMode();
       }
-      var isNode = mode === 'pathedit';
-      // if elems[1] is present, then we have more than one element
+
+      var isNode = mode === 'pathedit'; // if elems[1] is present, then we have more than one element
+
       selectedElement = elems.length === 1 || elems[1] == null ? elems[0] : null;
       multiselected = elems.length >= 2 && elems[1] != null;
+
       if (selectedElement != null) {
         // unless we're already in always set the mode of the editor to select because
         // upon creation of a text element the editor is switched into
         // select mode and this event fires - we need our UI to be in sync
-
         if (!isNode) {
           updateToolbar();
         }
       } // if (elem != null)
-
       // Deal with pathedit mode
+
+
       togglePathEditMode(isNode, elems);
       updateContextPanel();
-      svgCanvas.runExtensions('selectedChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} */{
+      svgCanvas.runExtensions('selectedChanged',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} */
+      {
         elems: elems,
         selectedElement: selectedElement,
         multiselected: multiselected
       });
-    };
-
-    // Call when part of element is in process of changing, generally
+    }; // Call when part of element is in process of changing, generally
     // on mousemove actions like rotate, move, etc.
+
     /**
      * @param {external:Window} win
      * @param {module:svgcanvas.SvgCanvas#event:transition} elems
@@ -27507,6 +30219,8 @@
      * @fires module:svgcanvas.SvgCanvas#event:ext-elementTransition
      * @returns {undefined}
      */
+
+
     var elementTransition = function elementTransition(win, elems) {
       var mode = svgCanvas.getMode();
       var elem = elems[0];
@@ -27515,8 +30229,8 @@
         return;
       }
 
-      multiselected = elems.length >= 2 && elems[1] != null;
-      // Only updating fields for single elements for now
+      multiselected = elems.length >= 2 && elems[1] != null; // Only updating fields for single elements for now
+
       if (!multiselected) {
         switch (mode) {
           case 'rotate':
@@ -27524,28 +30238,30 @@
             $$b('#angle').val(ang);
             $$b('#tool_reorient').toggleClass('disabled', ang === 0);
             break;
-
           // TODO: Update values that change on move/resize, etc
           // case 'select':
           // case 'resize':
           //   break;
         }
       }
-      svgCanvas.runExtensions('elementTransition', /** @type {module:svgcanvas.SvgCanvas#event:ext-elementTransition} */{
+
+      svgCanvas.runExtensions('elementTransition',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-elementTransition} */
+      {
         elems: elems
       });
     };
-
     /**
      * Test whether an element is a layer or not.
      * @param {SVGGElement} elem - The SVGGElement to test.
      * @returns {boolean} True if the element is a layer
      */
+
+
     function isLayer(elem) {
       return elem && elem.tagName === 'g' && Layer.CLASS_REGEX.test(elem.getAttribute('class'));
-    }
+    } // called when any element has changed
 
-    // called when any element has changed
     /**
      * @param {external:Window} win
      * @param {module:svgcanvas.SvgCanvas#event:changed} elems
@@ -27553,60 +30269,61 @@
      * @fires module:svgcanvas.SvgCanvas#event:ext-elementChanged
      * @returns {undefined}
      */
+
+
     var elementChanged = function elementChanged(win, elems) {
       var mode = svgCanvas.getMode();
+
       if (mode === 'select') {
         setSelectMode();
       }
 
       for (var _i = 0; _i < elems.length; ++_i) {
         var elem = elems[_i];
-
         var isSvgElem = elem && elem.tagName === 'svg';
+
         if (isSvgElem || isLayer(elem)) {
-          populateLayers();
-          // if the element changed was the svg, then it could be a resolution change
+          populateLayers(); // if the element changed was the svg, then it could be a resolution change
+
           if (isSvgElem) {
             updateCanvas();
-          }
-          // Update selectedElement if element is no longer part of the image.
+          } // Update selectedElement if element is no longer part of the image.
           // This occurs for the text elements in Firefox
+
         } else if (elem && selectedElement && selectedElement.parentNode == null) {
           // || elem && elem.tagName == "path" && !multiselected) { // This was added in r1430, but not sure why
           selectedElement = elem;
         }
       }
 
-      editor.showSaveWarning = true;
-
-      // we update the contextual panel with potentially new
+      editor.showSaveWarning = true; // we update the contextual panel with potentially new
       // positional/sizing information (we DON'T want to update the
       // toolbar here as that creates an infinite loop)
       // also this updates the history buttons
-
       // we tell it to skip focusing the text control if the
       // text element was previously in focus
-      updateContextPanel();
 
-      // In the event a gradient was flipped:
+      updateContextPanel(); // In the event a gradient was flipped:
+
       if (selectedElement && mode === 'select') {
         paintBox.fill.update();
         paintBox.stroke.update();
       }
 
-      svgCanvas.runExtensions('elementChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-elementChanged} */{
+      svgCanvas.runExtensions('elementChanged',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-elementChanged} */
+      {
         elems: elems
       });
     };
-
     /**
      * @returns {undefined}
      */
-    var zoomDone = function zoomDone() {
-      updateWireFrame();
-      // updateCanvas(); // necessary?
-    };
 
+
+    var zoomDone = function zoomDone() {
+      updateWireFrame(); // updateCanvas(); // necessary?
+    };
     /**
     * @typedef {PlainObject} module:SVGEditor.BBoxObjectWithFactor (like `DOMRect`)
     * @property {Float} x
@@ -27626,21 +30343,26 @@
     * @listens module:svgcanvas.SvgCanvas#event:zoomed
     * @returns {undefined}
     */
+
+
     var zoomChanged = svgCanvas.zoomChanged = function (win, bbox, autoCenter) {
       var scrbar = 15,
+          // res = svgCanvas.getResolution(), // Currently unused
+      wArea = workarea; // const canvasPos = $('#svgcanvas').position(); // Currently unused
 
-      // res = svgCanvas.getResolution(), // Currently unused
-      wArea = workarea;
-      // const canvasPos = $('#svgcanvas').position(); // Currently unused
       var zInfo = svgCanvas.setBBoxZoom(bbox, wArea.width() - scrbar, wArea.height() - scrbar);
+
       if (!zInfo) {
         return;
       }
+
       var zoomlevel = zInfo.zoom,
           bb = zInfo.bbox;
 
       if (zoomlevel < 0.001) {
-        changeZoom({ value: 0.1 });
+        changeZoom({
+          value: 0.1
+        });
         return;
       }
 
@@ -27649,7 +30371,10 @@
       if (autoCenter) {
         updateCanvas();
       } else {
-        updateCanvas(false, { x: bb.x * zoomlevel + bb.width * zoomlevel / 2, y: bb.y * zoomlevel + bb.height * zoomlevel / 2 });
+        updateCanvas(false, {
+          x: bb.x * zoomlevel + bb.width * zoomlevel / 2,
+          y: bb.y * zoomlevel + bb.height * zoomlevel / 2
+        });
       }
 
       if (svgCanvas.getMode() === 'zoom' && bb.width) {
@@ -27662,13 +30387,14 @@
 
     var changeZoom = function changeZoom(ctl) {
       var zoomlevel = ctl.value / 100;
+
       if (zoomlevel < 0.001) {
         ctl.value = 0.1;
         return;
       }
+
       var zoom = svgCanvas.getZoom();
       var wArea = workarea;
-
       zoomChanged(window, {
         width: 0,
         height: 0,
@@ -27681,30 +30407,33 @@
 
     $$b('#cur_context_panel').delegate('a', 'click', function () {
       var link = $$b(this);
+
       if (link.attr('data-root')) {
         svgCanvas.leaveContext();
       } else {
         svgCanvas.setContext(link.text());
       }
+
       svgCanvas.clearSelection();
       return false;
     });
-
     /**
      * @param {external:Window} win
      * @param {module:svgcanvas.SvgCanvas#event:contextset} context
      * @listens module:svgcanvas.SvgCanvas#event:contextset
      * @returns {undefined}
      */
+
     var contextChanged = function contextChanged(win, context) {
       var linkStr = '';
+
       if (context) {
         var _str2 = '';
         linkStr = '<a href="#" data-root="y">' + svgCanvas.getCurrentDrawing().getCurrentLayerName() + '</a>';
-
         $$b(context).parentsUntil('#svgcontent > g').andSelf().each(function () {
           if (this.id) {
             _str2 += ' > ' + this.id;
+
             if (this !== context) {
               linkStr += ' > <a href="#">' + this.id + '</a>';
             } else {
@@ -27712,17 +30441,16 @@
             }
           }
         });
-
         curContext = _str2;
       } else {
         curContext = null;
       }
+
       $$b('#cur_context_panel').toggle(!!context).html(linkStr);
-
       updateTitle();
-    };
+    }; // Makes sure the current selected paint is available to work with
+
 
-    // Makes sure the current selected paint is available to work with
     var prepPaints = function prepPaints() {
       paintBox.fill.prep();
       paintBox.stroke.prep();
@@ -27733,6 +30461,7 @@
     var setFlyoutTitles = function setFlyoutTitles() {
       $$b('.tools_flyout').each(function () {
         var shower = $$b('#' + this.id + '_show');
+
         if (shower.data('isLibrary')) {
           return;
         }
@@ -27749,6 +30478,7 @@
      * @param {Object.<string, module:SVGEditor.ToolButton>} holders Key is a selector
      * @returns {undefined}
      */
+
     var setupFlyouts = function setupFlyouts(holders) {
       $$b.each(holders, function (holdSel, btnOpts) {
         var _allHolders$holdSel;
@@ -27756,7 +30486,8 @@
         if (!allHolders[holdSel]) {
           allHolders[holdSel] = [];
         }
-        (_allHolders$holdSel = allHolders[holdSel]).push.apply(_allHolders$holdSel, toConsumableArray(btnOpts));
+
+        (_allHolders$holdSel = allHolders[holdSel]).push.apply(_allHolders$holdSel, _toConsumableArray(btnOpts));
 
         var buttons = $$b(holdSel).children().not('.tool_button_evt_handled');
         var showSel = holdSel + '_show';
@@ -27768,17 +30499,15 @@
           var idSel = '#' + this.getAttribute('id');
 
           var _Object$entries$find = Object.entries(btnOpts).find(function (_ref10) {
-            var _ref11 = slicedToArray(_ref10, 2),
+            var _ref11 = _slicedToArray(_ref10, 2),
                 i = _ref11[0],
                 sel = _ref11[1].sel;
 
             return sel === idSel;
           }),
-              _Object$entries$find2 = slicedToArray(_Object$entries$find, 2),
+              _Object$entries$find2 = _slicedToArray(_Object$entries$find, 2),
               i = _Object$entries$find2[0],
-              opts = _Object$entries$find2[1];
-
-          // Remember the function that goes with this ID
+              opts = _Object$entries$find2[1]; // Remember the function that goes with this ID
 
 
           flyoutFuncs[opts.sel] = opts.fn;
@@ -27786,44 +30515,51 @@
           if (opts.isDefault) {
             def = i;
           }
-
           /**
            * Clicking the icon in flyout should set this set's icon
            * @param {Event} ev
            * @returns {undefined}
            */
+
+
           var flyoutAction = function flyoutAction(ev) {
-            var options = opts;
-            // Find the currently selected tool if comes from keystroke
+            var options = opts; // Find the currently selected tool if comes from keystroke
+
             if (ev.type === 'keydown') {
               var flyoutIsSelected = $$b(options.parent + '_show').hasClass('tool_button_current');
               var currentOperation = $$b(options.parent + '_show').attr('data-curopt');
               Object.entries(holders[opts.parent]).some(function (_ref12) {
-                var _ref13 = slicedToArray(_ref12, 2),
+                var _ref13 = _slicedToArray(_ref12, 2),
                     i = _ref13[0],
                     tool = _ref13[1];
 
                 if (tool.sel !== currentOperation) {
                   return;
                 }
+
                 if (!ev.shiftKey || !flyoutIsSelected) {
                   options = tool;
                 } else {
                   // If flyout is selected, allow shift key to iterate through subitems
-                  i = parseInt(i, 10);
-                  // Use `allHolders` to include both extension `includeWith` and toolbarButtons
+                  i = parseInt(i, 10); // Use `allHolders` to include both extension `includeWith` and toolbarButtons
+
                   options = allHolders[opts.parent][i + 1] || holders[opts.parent][0];
                 }
+
                 return true;
               });
             }
+
             if ($$b(this).hasClass('disabled')) {
               return false;
             }
+
             if (toolButtonClick(showSel)) {
               options.fn();
             }
-            var icon = void 0;
+
+            var icon;
+
             if (options.icon) {
               icon = $$b.getSvgIcon(options.icon, true);
             } else {
@@ -27850,14 +30586,14 @@
           shower.attr('data-curopt', btnOpts[0].sel);
         }
 
-        var timer = void 0;
-        var pos = $$b(showSel).position();
+        var timer;
+        var pos = $$b(showSel).position(); // Clicking the "show" icon should set the current mode
 
-        // Clicking the "show" icon should set the current mode
         shower.mousedown(function (evt) {
           if (shower.hasClass('disabled')) {
             return false;
           }
+
           var holder = $$b(holdSel);
           var l = pos.left + 34;
           var w = holder.width() * -1;
@@ -27871,22 +30607,23 @@
             } else {
               holder.css('left', l).show();
             }
+
             holder.data('shown_popop', true);
           }, time);
           evt.preventDefault();
         }).mouseup(function (evt) {
           clearTimeout(timer);
-          var opt = $$b(this).attr('data-curopt');
-          // Is library and popped up, so do nothing
+          var opt = $$b(this).attr('data-curopt'); // Is library and popped up, so do nothing
+
           if (shower.data('isLibrary') && $$b(showSel.replace('_show', '')).is(':visible')) {
             toolButtonClick(showSel, true);
             return;
           }
+
           if (toolButtonClick(showSel) && flyoutFuncs[opt]) {
             flyoutFuncs[opt]();
           }
-        });
-        // $('#tools_rect').mouseleave(function () { $('#tools_rect').fadeOut(); });
+        }); // $('#tools_rect').mouseleave(function () { $('#tools_rect').fadeOut(); });
       });
       setFlyoutTitles();
       setFlyoutPositions();
@@ -27897,46 +30634,51 @@
         class: 'tools_flyout',
         id: id
       }).appendTo('#svg_editor').append(child);
-
       return div;
-    };
+    }; // TODO: Combine this with addDropDown or find other way to optimize
+
 
-    // TODO: Combine this with addDropDown or find other way to optimize
     var addAltDropDown = function addAltDropDown(elem, list, callback, opts) {
       var button = $$b(elem);
       var dropUp = opts.dropUp;
-
       list = $$b(list);
+
       if (dropUp) {
         $$b(elem).addClass('dropup');
       }
+
       list.find('li').bind('mouseup', function () {
         if (opts.seticon) {
           setIcon('#cur_' + button[0].id, $$b(this).children());
           $$b(this).addClass('current').siblings().removeClass('current');
         }
+
         callback.apply(this, arguments);
       });
-
       var onButton = false;
       $$b(window).mouseup(function (evt) {
         if (!onButton) {
           button.removeClass('down');
           list.hide();
-          list.css({ top: 0, left: 0 });
+          list.css({
+            top: 0,
+            left: 0
+          });
         }
-        onButton = false;
-      });
 
-      // const height = list.height(); // Currently unused
+        onButton = false;
+      }); // const height = list.height(); // Currently unused
+
       button.bind('mousedown', function () {
         var off = button.offset();
+
         if (dropUp) {
           off.top -= list.height();
           off.left += 8;
         } else {
           off.top += button.height();
         }
+
         list.offset(off);
 
         if (!button.hasClass('down')) {
@@ -27945,8 +30687,12 @@
         } else {
           // CSS position must be reset for Webkit
           list.hide();
-          list.css({ top: 0, left: 0 });
+          list.css({
+            top: 0,
+            left: 0
+          });
         }
+
         button.toggleClass('down');
       }).hover(function () {
         onButton = true;
@@ -27968,10 +30714,12 @@
      * @listens module:svgcanvas.SvgCanvas#event:extension_added
      * @returns {Promise} Resolves to `undefined`
      */
+
     var extAdded = function extAdded(win, ext) {
       if (!ext) {
         return;
       }
+
       var cbCalled = false;
       var resizeDone = false;
 
@@ -27982,7 +30730,10 @@
           ext.langReady({
             lang: lang,
             uiStrings: uiStrings$1,
-            importLocale: getImportLocale({ defaultLang: lang, defaultName: ext.name })
+            importLocale: getImportLocale({
+              defaultLang: lang,
+              defaultName: ext.name
+            })
           });
         } else {
           extsPreLang.push(ext);
@@ -27994,6 +30745,7 @@
           clearTimeout(resizeTimer);
           resizeTimer = null;
         }
+
         if (!resizeDone) {
           resizeTimer = setTimeout(function () {
             resizeDone = true;
@@ -28010,7 +30762,6 @@
       };
 
       var btnSelects = [];
-
       /**
       * @typedef {PlainObject} module:SVGEditor.ContextTool
       * @property {string} panel The ID of the existing panel to which the tool is being added. Required.
@@ -28026,55 +30777,60 @@
       * @property {Integer} [size] Value of the "size" attribute of the tool input
       * @property {module:jQuerySpinButton.SpinButtonConfig} [spindata] When added to a tool of type "input", this tool becomes a "spinner" which allows the number to be in/decreased.
       */
+
       if (ext.context_tools) {
         $$b.each(ext.context_tools, function (i, tool) {
           // Add select tool
           var contId = tool.container_id ? ' id="' + tool.container_id + '"' : '';
+          var panel = $$b('#' + tool.panel); // create the panel if it doesn't exist
 
-          var panel = $$b('#' + tool.panel);
-          // create the panel if it doesn't exist
           if (!panel.length) {
-            panel = $$b('<div>', { id: tool.panel }).appendTo('#tools_top');
+            panel = $$b('<div>', {
+              id: tool.panel
+            }).appendTo('#tools_top');
           }
 
-          var html = void 0;
-          // TODO: Allow support for other types, or adding to existing tool
+          var html; // TODO: Allow support for other types, or adding to existing tool
+
           switch (tool.type) {
             case 'tool_button':
               html = '<div class="tool_button">' + tool.id + '</div>';
               var div = $$b(html).appendTo(panel);
+
               if (tool.events) {
                 $$b.each(tool.events, function (evt, func) {
                   $$b(div).bind(evt, func);
                 });
               }
+
               break;
+
             case 'select':
               html = '<label' + contId + '>' + '<select id="' + tool.id + '">';
               $$b.each(tool.options, function (val, text) {
                 var sel = val === tool.defval ? ' selected' : '';
                 html += '<option value="' + val + '"' + sel + '>' + text + '</option>';
               });
-              html += '</select></label>';
-              // Creates the tool, hides & adds it, returns the select element
-              var sel = $$b(html).appendTo(panel).find('select');
+              html += '</select></label>'; // Creates the tool, hides & adds it, returns the select element
 
+              var sel = $$b(html).appendTo(panel).find('select');
               $$b.each(tool.events, function (evt, func) {
                 $$b(sel).bind(evt, func);
               });
               break;
+
             case 'button-select':
               html = '<div id="' + tool.id + '" class="dropdown toolset" title="' + tool.title + '">' + '<div id="cur_' + tool.id + '" class="icon_label"></div><button></button></div>';
-
               var list = $$b('<ul id="' + tool.id + '_opts"></ul>').appendTo('#option_lists');
 
               if (tool.colnum) {
                 list.addClass('optcols' + tool.colnum);
-              }
+              } // Creates the tool, hides & adds it, returns the select element
 
-              // Creates the tool, hides & adds it, returns the select element
-              /* const dropdown = */$$b(html).appendTo(panel).children();
+              /* const dropdown = */
 
+
+              $$b(html).appendTo(panel).children();
               btnSelects.push({
                 elem: '#' + tool.id,
                 list: '#' + tool.id + '_opts',
@@ -28082,14 +30838,12 @@
                 callback: tool.events.change,
                 cur: '#cur_' + tool.id
               });
-
               break;
+
             case 'input':
-              html = '<label' + contId + '>' + '<span id="' + tool.id + '_label">' + tool.label + ':</span>' + '<input id="' + tool.id + '" title="' + tool.title + '" size="' + (tool.size || '4') + '" value="' + (tool.defval || '') + '" type="text"/></label>';
-
-              // Creates the tool, hides & adds it, returns the select element
-
+              html = '<label' + contId + '>' + '<span id="' + tool.id + '_label">' + tool.label + ':</span>' + '<input id="' + tool.id + '" title="' + tool.title + '" size="' + (tool.size || '4') + '" value="' + (tool.defval || '') + '" type="text"/></label>'; // Creates the tool, hides & adds it, returns the select element
               // Add to given tool.panel
+
               var inp = $$b(html).appendTo(panel).find('input');
 
               if (tool.spindata) {
@@ -28101,6 +30855,7 @@
                   inp.bind(evt, func);
                 });
               }
+
               break;
 
             default:
@@ -28115,16 +30870,17 @@
         var fallbackObj = {},
             placementObj = {},
             holders = {};
-
         /**
         * @typedef {GenericArray} module:SVGEditor.KeyArray
         * @property {string} 0 The key to bind (on `keydown`)
         * @property {boolean} 1 Whether to `preventDefault` on the `keydown` event
         * @property {boolean} 2 Not apparently in use (NoDisableInInput)
         */
+
         /**
          * @typedef {string|module:SVGEditor.KeyArray} module:SVGEditor.Key
          */
+
         /**
         * @typedef {PlainObject} module:SVGEditor.Button
         * @property {string} id A unique identifier for this button. If SVG icons are used, this must match the ID used in the icon file. Required.
@@ -28144,21 +30900,25 @@
         * @property {module:SVGEditor.Key} [key] The key to bind to the button
         */
         // Add buttons given by extension
-        $$b.each(ext.buttons, function (i, /** @type {module:SVGEditor.Button} */btn) {
-          var id = btn.id;
 
-          var num = i;
-          // Give button a unique ID
+        $$b.each(ext.buttons, function (i,
+        /** @type {module:SVGEditor.Button} */
+        btn) {
+          var id = btn.id;
+          var num = i; // Give button a unique ID
+
           while ($$b('#' + id).length) {
             id = btn.id + '_' + ++num;
           }
 
-          var icon = void 0;
+          var icon;
+
           if (!svgicons) {
             icon = $$b('<img src="' + btn.icon + '">');
           } else {
             fallbackObj[id] = btn.icon;
             var svgicon = btn.svgicon || btn.id;
+
             if (btn.type === 'app_menu') {
               placementObj['#' + id + ' > div'] = svgicon;
             } else {
@@ -28166,34 +30926,36 @@
             }
           }
 
-          var cls = void 0,
-              parent = void 0;
+          var cls, parent; // Set button up according to its type
 
-          // Set button up according to its type
           switch (btn.type) {
             case 'mode_flyout':
             case 'mode':
               cls = 'tool_button';
               parent = '#tools_left';
               break;
+
             case 'context':
               cls = 'tool_button';
-              parent = '#' + btn.panel;
-              // create the panel if it doesn't exist
+              parent = '#' + btn.panel; // create the panel if it doesn't exist
+
               if (!$$b(parent).length) {
-                $$b('<div>', { id: btn.panel }).appendTo('#tools_top');
+                $$b('<div>', {
+                  id: btn.panel
+                }).appendTo('#tools_top');
               }
+
               break;
+
             case 'app_menu':
               cls = '';
               parent = '#main_menu ul';
               break;
           }
-          var flyoutHolder = void 0,
-              showBtn = void 0,
-              refData = void 0,
-              refBtn = void 0;
+
+          var flyoutHolder, showBtn, refData, refBtn;
           var button = $$b(btn.list || btn.type === 'app_menu' ? '<li/>' : '<div/>').attr('id', id).attr('title', btn.title).addClass(cls);
+
           if (!btn.includeWith && !btn.list) {
             if ('position' in btn) {
               if ($$b(parent).children().eq(btn.position).length) {
@@ -28210,29 +30972,30 @@
               // const opts = btn.includeWith;
               // // opts.button, default, position
               refBtn = $$b(button);
+              flyoutHolder = refBtn.parent(); // Create a flyout menu if there isn't one already
+
+              var tlsId;
 
-              flyoutHolder = refBtn.parent();
-              // Create a flyout menu if there isn't one already
-              var tlsId = void 0;
               if (!refBtn.parent().hasClass('tools_flyout')) {
                 // Create flyout placeholder
                 tlsId = refBtn[0].id.replace('tool_', 'tools_');
-                showBtn = refBtn.clone().attr('id', tlsId + '_show').append($$b('<div>', { class: 'flyout_arrow_horiz' }));
+                showBtn = refBtn.clone().attr('id', tlsId + '_show').append($$b('<div>', {
+                  class: 'flyout_arrow_horiz'
+                }));
+                refBtn.before(showBtn); // Create a flyout div
 
-                refBtn.before(showBtn);
-
-                // Create a flyout div
                 flyoutHolder = makeFlyoutHolder(tlsId, refBtn);
                 flyoutHolder.data('isLibrary', true);
                 showBtn.data('isLibrary', true);
-              }
-              // refData = Actions.getButtonData(opts.button);
+              } // refData = Actions.getButtonData(opts.button);
 
-              placementObj['#' + tlsId + '_show'] = btn.id;
-              // TODO: Find way to set the current icon using the iconloader if this is not default
 
+              placementObj['#' + tlsId + '_show'] = btn.id; // TODO: Find way to set the current icon using the iconloader if this is not default
               // Include data for extension button as well as ref button
-              /* curH = */holders['#' + flyoutHolder[0].id] = [{
+
+              /* curH = */
+
+              holders['#' + flyoutHolder[0].id] = [{
                 sel: '#' + id,
                 fn: btn.events.click,
                 icon: btn.id,
@@ -28259,27 +31022,31 @@
             // Add button to list
             button.addClass('push_button');
             $$b('#' + btn.list + '_opts').append(button);
+
             if (btn.isDefault) {
               $$b('#cur_' + btn.list).append(button.children().clone());
+
               var _svgicon = btn.svgicon || btn.id;
+
               placementObj['#cur_' + btn.list] = _svgicon;
             }
           } else if (btn.includeWith) {
             // Add to flyout menu / make flyout menu
-            var opts = btn.includeWith;
-            // opts.button, default, position
-            refBtn = $$b(opts.button);
+            var opts = btn.includeWith; // opts.button, default, position
+
+            refBtn = $$b(opts.button);
+            flyoutHolder = refBtn.parent(); // Create a flyout menu if there isn't one already
+
+            var _tlsId;
 
-            flyoutHolder = refBtn.parent();
-            // Create a flyout menu if there isn't one already
-            var _tlsId = void 0;
             if (!refBtn.parent().hasClass('tools_flyout')) {
               // Create flyout placeholder
               _tlsId = refBtn[0].id.replace('tool_', 'tools_');
-              showBtn = refBtn.clone().attr('id', _tlsId + '_show').append($$b('<div>', { class: 'flyout_arrow_horiz' }));
+              showBtn = refBtn.clone().attr('id', _tlsId + '_show').append($$b('<div>', {
+                class: 'flyout_arrow_horiz'
+              }));
+              refBtn.before(showBtn); // Create a flyout div
 
-              refBtn.before(showBtn);
-              // Create a flyout div
               flyoutHolder = makeFlyoutHolder(_tlsId, refBtn);
             }
 
@@ -28287,24 +31054,21 @@
 
             if (opts.isDefault) {
               placementObj['#' + _tlsId + '_show'] = btn.id;
-            }
-            // TODO: Find way to set the current icon using the iconloader if this is not default
-
+            } // TODO: Find way to set the current icon using the iconloader if this is not default
             // Include data for extension button as well as ref button
+
+
             var curH = holders['#' + flyoutHolder[0].id] = [{
               sel: '#' + id,
               fn: btn.events.click,
               icon: btn.id,
               key: btn.key,
               isDefault: Boolean(btn.includeWith && btn.includeWith.isDefault)
-            }, refData];
-
-            // {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}
+            }, refData]; // {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}
 
             var pos = 'position' in opts ? opts.position : 'last';
-            var len = flyoutHolder.children().length;
+            var len = flyoutHolder.children().length; // Add at given position or end
 
-            // Add at given position or end
             if (!isNaN(pos) && pos >= 0 && pos < len) {
               flyoutHolder.children().eq(pos).before(button);
             } else {
@@ -28330,8 +31094,10 @@
                     }
                   });
                 }
+
                 if (btn.key) {
                   $$b(document).bind('keydown', btn.key, func);
+
                   if (btn.title) {
                     button.attr('title', btn.title + ' [' + btn.key + ']');
                   }
@@ -28344,15 +31110,17 @@
 
           setupFlyouts(holders);
         });
-
         $$b.each(btnSelects, function () {
-          addAltDropDown(this.elem, this.list, this.callback, { seticon: true });
+          addAltDropDown(this.elem, this.list, this.callback, {
+            seticon: true
+          });
         });
 
         if (svgicons) {
           return new Promise(function (resolve, reject) {
             $$b.svgIcons(svgicons, {
-              w: 24, h: 24,
+              w: 24,
+              h: 24,
               id_match: false,
               no_img: !isWebkit(),
               fallback: fallbackObj,
@@ -28363,6 +31131,7 @@
                 if ($$b.pref('iconsize') !== 'm') {
                   prepResize();
                 }
+
                 runCallback();
                 resolve();
               }
@@ -28370,32 +31139,38 @@
           });
         }
       }
+
       return runCallback();
     };
 
     var getPaint = function getPaint(color, opac, type) {
       // update the editor's fill paint
-      var opts = { alpha: opac };
+      var opts = {
+        alpha: opac
+      };
+
       if (color.startsWith('url(#')) {
         var refElem = svgCanvas.getRefElem(color);
+
         if (refElem) {
           refElem = refElem.cloneNode(true);
         } else {
           refElem = $$b('#' + type + '_color defs *')[0];
         }
+
         opts[refElem.tagName] = refElem;
       } else if (color.startsWith('#')) {
         opts.solidColor = color.substr(1);
       } else {
         opts.solidColor = 'none';
       }
+
       return new $$b.jGraduate.Paint(opts);
-    };
-
-    // $('#text').focus(function () { textBeingEntered = true; });
+    }; // $('#text').focus(function () { textBeingEntered = true; });
     // $('#text').blur(function () { textBeingEntered = false; });
-
     // bind the selected event to our function that handles updates to the UI
+
+
     svgCanvas.bind('selected', selectedChanged);
     svgCanvas.bind('transition', elementTransition);
     svgCanvas.bind('changed', elementChanged);
@@ -28406,15 +31181,18 @@
         // Ignore Chrome
         return;
       }
+
       var exportWindowName = data.exportWindowName;
 
       if (exportWindowName) {
         exportWindow = window.open('', exportWindowName); // A hack to get the window via JSON-able name without opening a new one
       }
+
       if (!exportWindow || exportWindow.closed) {
         $$b.alert(uiStrings$1.notification.popupWindowBlocked);
         return;
       }
+
       exportWindow.location.href = data.output;
     });
     svgCanvas.bind('zoomed', zoomChanged);
@@ -28430,22 +31208,20 @@
     function (win, _ref14) {
       var center = _ref14.center,
           newCtr = _ref14.newCtr;
-
       updateCanvas(center, newCtr);
     });
     svgCanvas.bind('contextset', contextChanged);
     svgCanvas.bind('extension_added', extAdded);
     svgCanvas.textActions.setInputElem($$b('#text')[0]);
-
     var str = '<div class="palette_item" data-rgb="none"></div>';
     $$b.each(palette, function (i, item) {
       str += '<div class="palette_item" style="background-color: ' + item + ';" data-rgb="' + item + '"></div>';
     });
-    $$b('#palette').append(str);
-
-    // Set up editor background functionality
+    $$b('#palette').append(str); // Set up editor background functionality
     // TODO add checkerboard as "pattern"
+
     var colorBlocks = ['#FFF', '#888', '#000']; // ,'url(data:image/gif;base64,R0lGODlhEAAQAIAAAP%2F%2F%2F9bW1iH5BAAAAAAALAAAAAAQABAAAAIfjG%2Bgq4jM3IFLJgpswNly%2FXkcBpIiVaInlLJr9FZWAQA7)'];
+
     str = '';
     $$b.each(colorBlocks, function () {
       str += '<div class="color_block" style="background-color:' + this + ';"></div>';
@@ -28460,9 +31236,7 @@
         $$b(this).addClass(curBg);
       });
     });
-
     setBackground($$b.pref('bkgd_color'), $$b.pref('bkgd_url'));
-
     $$b('#image_save_opts input').val([$$b.pref('img_save')]);
 
     var changeRectRadius = function changeRectRadius(ctl) {
@@ -28475,9 +31249,11 @@
 
     var changeStrokeWidth = function changeStrokeWidth(ctl) {
       var val = ctl.value;
+
       if (val === 0 && selectedElement && ['line', 'polyline'].includes(selectedElement.nodeName)) {
         val = ctl.value = 1;
       }
+
       svgCanvas.setStrokeWidth(val);
     };
 
@@ -28490,10 +31266,13 @@
       if (val == null) {
         val = ctl.value;
       }
+
       $$b('#group_opacity').val(val);
+
       if (!ctl || !ctl.handle) {
         $$b('#opac_slider').slider('option', 'value', val);
       }
+
       svgCanvas.setOpacity(val / 100);
     };
 
@@ -28501,12 +31280,15 @@
       if (val == null) {
         val = ctl.value;
       }
+
       $$b('#blur').val(val);
       var complete = false;
+
       if (!ctl || !ctl.handle) {
         $$b('#blur_slider').slider('option', 'value', val);
         complete = true;
       }
+
       if (noUndo) {
         svgCanvas.setBlurNoUndo(val);
       } else {
@@ -28518,31 +31300,31 @@
       svgCanvas.setStrokeAttr('stroke-dasharray', $$b(this).val());
       operaRepaint();
     });
-
     $$b('#stroke_linejoin').change(function () {
       svgCanvas.setStrokeAttr('stroke-linejoin', $$b(this).val());
       operaRepaint();
-    });
+    }); // Lose focus for select elements when changed (Allows keyboard shortcuts to work better)
 
-    // Lose focus for select elements when changed (Allows keyboard shortcuts to work better)
     $$b('select').change(function () {
       $$b(this).blur();
-    });
+    }); // fired when user wants to move elements to another layer
 
-    // fired when user wants to move elements to another layer
     var promptMoveLayerOnce = false;
     $$b('#selLayerNames').change(function () {
       var destLayer = this.options[this.selectedIndex].value;
       var confirmStr = uiStrings$1.notification.QmoveElemsToLayer.replace('%s', destLayer);
+
       var moveToLayer = function moveToLayer(ok) {
         if (!ok) {
           return;
         }
+
         promptMoveLayerOnce = true;
         svgCanvas.moveSelectedToLayer(destLayer);
         svgCanvas.clearSelection();
         populateLayers();
       };
+
       if (destLayer) {
         if (promptMoveLayerOnce) {
           moveToLayer(true);
@@ -28551,23 +31333,18 @@
         }
       }
     });
-
     $$b('#font_family').change(function () {
       svgCanvas.setFontFamily(this.value);
     });
-
     $$b('#seg_type').change(function () {
       svgCanvas.setSegType($$b(this).val());
     });
-
     $$b('#text').bind('keyup input', function () {
       svgCanvas.setTextContent(this.value);
     });
-
     $$b('#image_url').change(function () {
       setImageURL(this.value);
     });
-
     $$b('#link_url').change(function () {
       if (this.value.length) {
         svgCanvas.setLinkURL(this.value);
@@ -28575,11 +31352,9 @@
         svgCanvas.removeHyperlink();
       }
     });
-
     $$b('#g_title').change(function () {
       svgCanvas.setGroupTitle(this.value);
     });
-
     $$b('.attr_changer').change(function () {
       var attr = this.getAttribute('data-attr');
       var val = this.value;
@@ -28596,17 +31371,16 @@
           val = svgCanvas.convertToNum(attr, val);
         } else if (curConfig.baseUnit !== 'px') {
           // Convert unitless value to one with given unit
-
           var unitData = getTypeMap();
 
           if (selectedElement[attr] || svgCanvas.getMode() === 'pathedit' || attr === 'x' || attr === 'y') {
             val *= unitData[curConfig.baseUnit];
           }
         }
-      }
-
-      // if the user is changing the id, then de-select the element first
+      } // if the user is changing the id, then de-select the element first
       // change the ID, then re-select it with the new ID
+
+
       if (attr === 'id') {
         var elem = selectedElement;
         svgCanvas.clearSelection();
@@ -28615,28 +31389,29 @@
       } else {
         svgCanvas.changeSelectedAttribute(attr, val);
       }
-      this.blur();
-    });
 
-    // Prevent selection of elements when shift-clicking
+      this.blur();
+    }); // Prevent selection of elements when shift-clicking
+
     $$b('#palette').mouseover(function () {
       var inp = $$b('<input type="hidden">');
       $$b(this).append(inp);
       inp.focus().remove();
     });
-
     $$b('.palette_item').mousedown(function (evt) {
       // shift key or right click for stroke
       var picker = evt.shiftKey || evt.button === 2 ? 'stroke' : 'fill';
       var color = $$b(this).data('rgb');
-      var paint = void 0;
+      var paint; // Webkit-based browsers returned 'initial' here for no stroke
 
-      // Webkit-based browsers returned 'initial' here for no stroke
       if (color === 'none' || color === 'transparent' || color === 'initial') {
         color = 'none';
         paint = new $$b.jGraduate.Paint();
       } else {
-        paint = new $$b.jGraduate.Paint({ alpha: 100, solidColor: color.substr(1) });
+        paint = new $$b.jGraduate.Paint({
+          alpha: 100,
+          solidColor: color.substr(1)
+        });
       }
 
       paintBox[picker].setPaint(paint);
@@ -28645,23 +31420,21 @@
       if (color !== 'none' && svgCanvas.getPaintOpacity(picker) !== 1) {
         svgCanvas.setPaintOpacity(picker, 1.0);
       }
+
       updateToolButtonState();
     }).bind('contextmenu', function (e) {
       e.preventDefault();
     });
-
     $$b('#toggle_stroke_tools').on('click', function () {
       $$b('#tools_bottom').toggleClass('expanded');
     });
 
     (function () {
       var wArea = workarea[0];
-
       var lastX = null,
           lastY = null,
           panning = false,
           keypan = false;
-
       $$b('#svgcanvas').bind('mousemove mouseup', function (evt) {
         if (panning === false) {
           return;
@@ -28669,13 +31442,13 @@
 
         wArea.scrollLeft -= evt.clientX - lastX;
         wArea.scrollTop -= evt.clientY - lastY;
-
         lastX = evt.clientX;
         lastY = evt.clientY;
 
         if (evt.type === 'mouseup') {
           panning = false;
         }
+
         return false;
       }).mousedown(function (evt) {
         if (evt.button === 1 || keypan === true) {
@@ -28685,11 +31458,9 @@
           return false;
         }
       });
-
       $$b(window).mouseup(function () {
         panning = false;
       });
-
       $$b(document).bind('keydown', 'space', function (evt) {
         svgCanvas.spaceKey = keypan = true;
         evt.preventDefault();
@@ -28705,11 +31476,11 @@
           workarea.css('cursor', zoomInIcon);
         }
       });
-
       /**
       * @param {boolean} active
       * @returns {undefined}
       */
+
       editor.setPanning = function (active) {
         svgCanvas.spaceKey = keypan = active;
       };
@@ -28719,12 +31490,10 @@
       var button = $$b('#main_icon');
       var overlay = $$b('#main_icon span');
       var list = $$b('#main_menu');
-
       var onButton = false;
       var height = 0;
       var jsHover = true;
       var setClick = false;
-
       /*
       // Currently unused
       const hideMenu = function () {
@@ -28734,9 +31503,9 @@
 
       $$b(window).mouseup(function (evt) {
         if (!onButton) {
-          button.removeClass('buttondown');
-          // do not hide if it was the file input as that input needs to be visible
+          button.removeClass('buttondown'); // do not hide if it was the file input as that input needs to be visible
           // for its change event to fire
+
           if (evt.target.tagName !== 'INPUT') {
             list.fadeOut(200);
           } else if (!setClick) {
@@ -28746,23 +31515,26 @@
             });
           }
         }
+
         onButton = false;
       }).mousedown(function (evt) {
         // $('.contextMenu').hide();
         var islib = $$b(evt.target).closest('div.tools_flyout, .contextMenu').length;
+
         if (!islib) {
           $$b('.tools_flyout:visible,.contextMenu').fadeOut(250);
         }
       });
-
       overlay.bind('mousedown', function () {
         if (!button.hasClass('buttondown')) {
           // Margin must be reset in case it was changed before;
           list.css('margin-left', 0).show();
+
           if (!height) {
             height = list.height();
-          }
-          // Using custom animation as slideDown has annoying 'bounce effect'
+          } // Using custom animation as slideDown has annoying 'bounce effect'
+
+
           list.css('height', 0).animate({
             height: height
           }, 200);
@@ -28770,20 +31542,19 @@
         } else {
           list.fadeOut(200);
         }
+
         button.toggleClass('buttondown buttonup');
       }).hover(function () {
         onButton = true;
       }).mouseout(function () {
         onButton = false;
       });
+      var listItems = $$b('#main_menu li'); // Check if JS method of hovering needs to be used (Webkit bug)
 
-      var listItems = $$b('#main_menu li');
-
-      // Check if JS method of hovering needs to be used (Webkit bug)
       listItems.mouseover(function () {
         jsHover = $$b(this).css('background-color') === 'rgba(0, 0, 0, 0)';
-
         listItems.unbind('mouseover');
+
         if (jsHover) {
           listItems.mouseover(function () {
             this.style.backgroundColor = '#FFC';
@@ -28793,9 +31564,9 @@
           });
         }
       });
-    })();
-    // Made public for UI customization.
+    })(); // Made public for UI customization.
     // TODO: Group UI functions into a public editor.ui interface.
+
     /**
      * See {@link http://api.jquery.com/bind/#bind-eventType-eventData-handler}
      * @callback module:SVGEditor.DropDownCallback
@@ -28803,35 +31574,41 @@
      * @listens external:jQuery.Event
      * @returns {undefined|boolean} Calls `preventDefault()` and `stopPropagation()`
     */
+
     /**
      * @param {Element|string} elem DOM Element or selector
      * @param {module:SVGEditor.DropDownCallback} callback Mouseup callback
      * @param {boolean} dropUp
      * @returns {undefined}
     */
+
+
     editor.addDropDown = function (elem, callback, dropUp) {
       if (!$$b(elem).length) {
         return;
       } // Quit if called on non-existent element
+
+
       var button = $$b(elem).find('button');
       var list = $$b(elem).find('ul').attr('id', $$b(elem)[0].id + '-list');
+
       if (dropUp) {
         $$b(elem).addClass('dropup');
       } else {
         // Move list to place where it can overflow container
         $$b('#option_lists').append(list);
       }
-      list.find('li').bind('mouseup', callback);
 
+      list.find('li').bind('mouseup', callback);
       var onButton = false;
       $$b(window).mouseup(function (evt) {
         if (!onButton) {
           button.removeClass('down');
           list.hide();
         }
+
         onButton = false;
       });
-
       button.bind('mousedown', function () {
         if (!button.hasClass('down')) {
           if (!dropUp) {
@@ -28841,11 +31618,13 @@
               left: pos.left - 10
             });
           }
+
           list.show();
           onButton = true;
         } else {
           list.hide();
         }
+
         button.toggleClass('down');
       }).hover(function () {
         onButton = true;
@@ -28857,16 +31636,15 @@
     editor.addDropDown('#font_family_dropdown', function () {
       $$b('#font_family').val($$b(this).text()).change();
     });
-
     editor.addDropDown('#opacity_dropdown', function () {
       if ($$b(this).find('div').length) {
         return;
       }
+
       var perc = parseInt($$b(this).text().split('%')[0], 10);
       changeOpacity(false, perc);
-    }, true);
+    }, true); // For slider usage, see: http://jqueryui.com/demos/slider/
 
-    // For slider usage, see: http://jqueryui.com/demos/slider/
     $$b('#opac_slider').slider({
       start: function start() {
         $$b('#opacity_dropdown li:not(.special)').hide();
@@ -28879,9 +31657,7 @@
         changeOpacity(ui);
       }
     });
-
     editor.addDropDown('#blur_dropdown', $$b.noop);
-
     var slideStart = false;
     $$b('#blur_slider').slider({
       max: 10,
@@ -28899,30 +31675,34 @@
         changeBlur(ui, null, slideStart);
       }
     });
-
     editor.addDropDown('#zoom_dropdown', function () {
       var item = $$b(this);
       var val = item.data('val');
+
       if (val) {
         zoomChanged(window, val);
       } else {
-        changeZoom({ value: parseFloat(item.text()) });
+        changeZoom({
+          value: parseFloat(item.text())
+        });
       }
     }, true);
-
     addAltDropDown('#stroke_linecap', '#linecap_opts', function () {
       setStrokeOpt(this, true);
-    }, { dropUp: true });
-
+    }, {
+      dropUp: true
+    });
     addAltDropDown('#stroke_linejoin', '#linejoin_opts', function () {
       setStrokeOpt(this, true);
-    }, { dropUp: true });
-
+    }, {
+      dropUp: true
+    });
     addAltDropDown('#tool_position', '#position_opts', function () {
       var letter = this.id.replace('tool_pos', '').charAt(0);
       svgCanvas.alignSelectedElements(letter, 'page');
-    }, { multiclick: true });
-
+    }, {
+      multiclick: true
+    });
     /*
      When a flyout icon is selected
       (if flyout) {
@@ -28935,10 +31715,11 @@
       , else:
       - Just run its stuff
      */
-
     // Unfocus text input when workarea is mousedowned.
+
     (function () {
-      var inp = void 0;
+      var inp;
+
       var unfocus = function unfocus() {
         $$b(inp).blur();
       };
@@ -28949,8 +31730,8 @@
         workarea.mousedown(unfocus);
       }).blur(function () {
         uiContext = 'canvas';
-        workarea.unbind('mousedown', unfocus);
-        // Go back to selecting text if in textedit mode
+        workarea.unbind('mousedown', unfocus); // Go back to selecting text if in textedit mode
+
         if (svgCanvas.getMode() === 'textedit') {
           $$b('#text').focus();
         }
@@ -29020,8 +31801,8 @@
 
     var zoomImage = function zoomImage(multiplier) {
       var res = svgCanvas.getResolution();
-      multiplier = multiplier ? res.zoom * multiplier : 1;
-      // setResolution(res.w * multiplier, res.h * multiplier, true);
+      multiplier = multiplier ? res.zoom * multiplier : 1; // setResolution(res.w * multiplier, res.h * multiplier, true);
+
       $$b('#zoom').val(multiplier * 100);
       svgCanvas.setZoom(multiplier);
       zoomDone();
@@ -29045,10 +31826,10 @@
       if (toolButtonClick('#tool_path')) {
         svgCanvas.setMode('path');
       }
-    };
-
-    // Delete is a contextual tool that only appears in the ribbon if
+    }; // Delete is a contextual tool that only appears in the ribbon if
     // an element has been selected
+
+
     var deleteSelected = function deleteSelected() {
       if (selectedElement != null || multiselected) {
         svgCanvas.deleteSelectedElements();
@@ -29122,6 +31903,7 @@
           dx *= multi;
           dy *= multi;
         }
+
         svgCanvas.moveSelectedElements(dx, dy);
       }
     };
@@ -29167,20 +31949,23 @@
       if (selectedElement == null || multiselected) {
         return;
       }
+
       if (!cw) {
         step *= -1;
       }
+
       var angle = parseFloat($$b('#angle').val()) + step;
       svgCanvas.setRotationAngle(angle);
       updateContextPanel();
     };
-
     /**
      * @fires module:svgcanvas.SvgCanvas#event:ext-onNewDocument
      * @returns {undefined}
      */
+
+
     var clickClear = function clickClear() {
-      var _curConfig$dimensions = slicedToArray(curConfig.dimensions, 2),
+      var _curConfig$dimensions = _slicedToArray(curConfig.dimensions, 2),
           x = _curConfig$dimensions[0],
           y = _curConfig$dimensions[1];
 
@@ -29188,6 +31973,7 @@
         if (!ok) {
           return;
         }
+
         setSelectMode();
         svgCanvas.clear();
         svgCanvas.setResolution(x, y);
@@ -29221,38 +32007,49 @@
       svgCanvas.save(saveOpts);
     };
 
-    var loadingURL = void 0;
+    var loadingURL;
+
     var clickExport = function clickExport() {
-      $$b.select('Select an image type for export: ', [
-      // See http://kangax.github.io/jstests/toDataUrl_mime_type_test/ for a useful list of MIME types and browser support
+      $$b.select('Select an image type for export: ', [// See http://kangax.github.io/jstests/toDataUrl_mime_type_test/ for a useful list of MIME types and browser support
       // 'ICO', // Todo: Find a way to preserve transparency in SVG-Edit if not working presently and do full packaging for x-icon; then switch back to position after 'PNG'
-      'PNG', 'JPEG', 'BMP', 'WEBP', 'PDF'], function () {
-        var _ref15 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee5(imgType) {
+      'PNG', 'JPEG', 'BMP', 'WEBP', 'PDF'],
+      /*#__PURE__*/
+      function () {
+        var _ref15 = _asyncToGenerator(
+        /*#__PURE__*/
+        regeneratorRuntime.mark(function _callee5(imgType) {
           var exportWindowName, openExportWindow, chrome, quality;
           return regeneratorRuntime.wrap(function _callee5$(_context5) {
             while (1) {
               switch (_context5.prev = _context5.next) {
                 case 0:
-                  openExportWindow = function openExportWindow() {
+                  openExportWindow = function _ref16() {
                     var str = uiStrings$1.notification.loadingImage;
+
                     if (curConfig.exportWindowType === 'new') {
                       editor.exportWindowCt++;
                     }
+
                     exportWindowName = curConfig.canvasName + editor.exportWindowCt;
-                    var popHTML = void 0,
-                        popURL = void 0;
+                    var popHTML, popURL;
+
                     if (loadingURL) {
                       popURL = loadingURL;
                     } else {
-                      popHTML = '<!DOCTYPE html><html>\n            <head>\n              <meta charset="utf-8">\n              <title>' + str + '</title>\n            </head>\n            <body><h1>' + str + '</h1></body>\n          <html>';
+                      popHTML = "<!DOCTYPE html><html>\n            <head>\n              <meta charset=\"utf-8\">\n              <title>".concat(str, "</title>\n            </head>\n            <body><h1>").concat(str, "</h1></body>\n          <html>");
+
                       if (typeof URL !== 'undefined' && URL.createObjectURL) {
-                        var blob = new Blob([popHTML], { type: 'text/html' });
+                        var blob = new Blob([popHTML], {
+                          type: 'text/html'
+                        });
                         popURL = URL.createObjectURL(blob);
                       } else {
                         popURL = 'data:text/html;base64;charset=utf-8,' + encode64(popHTML);
                       }
+
                       loadingURL = popURL;
                     }
+
                     exportWindow = window.open(popURL, exportWindowName);
                   };
 
@@ -29261,60 +32058,62 @@
                     break;
                   }
 
-                  return _context5.abrupt('return');
+                  return _context5.abrupt("return");
 
                 case 3:
-                  // Open placeholder window (prevents popup)
-                  exportWindowName = void 0;
                   chrome = isChrome();
 
                   if (!(imgType === 'PDF')) {
-                    _context5.next = 10;
+                    _context5.next = 9;
                     break;
                   }
 
                   if (!customExportPDF && !chrome) {
                     openExportWindow();
                   }
+
                   svgCanvas.exportPDF(exportWindowName, chrome ? 'save' : undefined);
-                  _context5.next = 14;
+                  _context5.next = 13;
                   break;
 
-                case 10:
+                case 9:
                   if (!customExportImage) {
                     openExportWindow();
                   }
+
                   quality = parseInt($$b('#image-slider').val(), 10) / 100;
                   /* const results = */
-                  _context5.next = 14;
+
+                  _context5.next = 13;
                   return svgCanvas.rasterExport(imgType, quality, exportWindowName);
 
-                case 14:
-                case 'end':
+                case 13:
+                case "end":
                   return _context5.stop();
               }
             }
           }, _callee5, this);
         }));
 
-        return function (_x5) {
+        return function (_x3) {
           return _ref15.apply(this, arguments);
         };
       }(), function () {
         var sel = $$b(this);
+
         if (sel.val() === 'JPEG' || sel.val() === 'WEBP') {
           if (!$$b('#image-slider').length) {
-            $$b('<div><label>' + uiStrings$1.ui.quality + '\n              <input id="image-slider"\n                type="range" min="1" max="100" value="92" />\n            </label></div>').appendTo(sel.parent());
+            $$b("<div><label>".concat(uiStrings$1.ui.quality, "\n              <input id=\"image-slider\"\n                type=\"range\" min=\"1\" max=\"100\" value=\"92\" />\n            </label></div>")).appendTo(sel.parent());
           }
         } else {
           $$b('#image-slider').parent().remove();
         }
       });
-    };
-
-    // by default, svgCanvas.open() is a no-op.
+    }; // by default, svgCanvas.open() is a no-op.
     // it is up to an extension mechanism (opera widget, etc)
     // to call setCustomHandlers() which will make it do something
+
+
     var clickOpen = function clickOpen() {
       svgCanvas.open();
     };
@@ -29338,8 +32137,7 @@
     var clickGroup = function clickGroup() {
       // group
       if (multiselected) {
-        svgCanvas.groupSelectedElements();
-        // ungroup
+        svgCanvas.groupSelectedElements(); // ungroup
       } else if (selectedElement) {
         svgCanvas.ungroupSelectedElement();
       }
@@ -29361,9 +32159,12 @@
       if (supportsNonSS) {
         return;
       }
+
       var wfRules = $$b('#wireframe_rules');
+
       if (!wfRules.length) {
-        /* wfRules = */$$b('<style id="wireframe_rules"></style>').appendTo('head');
+        /* wfRules = */
+        $$b('<style id="wireframe_rules"></style>').appendTo('head');
       } else {
         wfRules.empty();
       }
@@ -29375,7 +32176,6 @@
       cancel: 'button,fieldset',
       containment: 'window'
     }).css('position', 'absolute');
-
     var docprops = false;
     var preferences = false;
 
@@ -29383,13 +32183,13 @@
       if (docprops) {
         return;
       }
-      docprops = true;
 
-      // This selects the correct radio button by using the array notation
-      $$b('#image_save_opts input').val([$$b.pref('img_save')]);
+      docprops = true; // This selects the correct radio button by using the array notation
+
+      $$b('#image_save_opts input').val([$$b.pref('img_save')]); // update resolution option with actual resolution
 
-      // update resolution option with actual resolution
       var res = svgCanvas.getResolution();
+
       if (curConfig.baseUnit !== 'px') {
         res.w = convertUnit(res.w) + curConfig.baseUnit;
         res.h = convertUnit(res.h) + curConfig.baseUnit;
@@ -29398,7 +32198,6 @@
       $$b('#canvas_width').val(res.w);
       $$b('#canvas_height').val(res.h);
       $$b('#canvas_title').val(svgCanvas.getDocumentTitle());
-
       $$b('#svg_docprops').show();
     };
 
@@ -29406,10 +32205,10 @@
       if (preferences) {
         return;
       }
-      preferences = true;
-      $$b('#main_menu').hide();
 
-      // Update background color with current one
+      preferences = true;
+      $$b('#main_menu').hide(); // Update background color with current one
+
       var blocks = $$b('#bg_blocks div');
       var curBg = 'cur_background';
       var canvasBg = curPrefs.bkgd_color;
@@ -29418,20 +32217,23 @@
         var blk = $$b(this);
         var isBg = blk.css('background-color') === canvasBg;
         blk.toggleClass(curBg, isBg);
+
         if (isBg) {
           $$b('#canvas_bg_url').removeClass(curBg);
         }
       });
+
       if (!canvasBg) {
         blocks.eq(0).addClass(curBg);
       }
+
       if (url) {
         $$b('#canvas_bg_url').val(url);
       }
+
       $$b('#grid_snapping_on').prop('checked', curConfig.gridSnapping);
       $$b('#grid_snapping_step').attr('value', curConfig.snappingStep);
       $$b('#grid_color').attr('value', curConfig.gridColor);
-
       $$b('#svg_prefs').show();
     };
 
@@ -29460,11 +32262,13 @@
           if (!ok) {
             return false;
           }
+
           saveChanges();
         });
       } else {
         saveChanges();
       }
+
       setSelectMode();
     };
 
@@ -29485,9 +32289,8 @@
       // set title
       var newTitle = $$b('#canvas_title').val();
       updateTitle(newTitle);
-      svgCanvas.setDocumentTitle(newTitle);
+      svgCanvas.setDocumentTitle(newTitle); // update resolution
 
-      // update resolution
       var width = $$b('#canvas_width'),
           w = width.val();
       var height = $$b('#canvas_height'),
@@ -29512,47 +32315,46 @@
       if (!svgCanvas.setResolution(w, h)) {
         $$b.alert(uiStrings$1.notification.noContentToFitTo);
         return false;
-      }
+      } // Set image save option
+
 
-      // Set image save option
       $$b.pref('img_save', $$b('#image_save_opts :checked').val());
       updateCanvas();
       hideDocProperties();
     };
-
     /**
     * Save user preferences based on current values in the UI
     * @function module:SVGEditor.savePreferences
     * @returns {undefined}
     */
+
+
     var savePreferences = editor.savePreferences = function () {
       // Set background
       var color = $$b('#bg_blocks div.cur_background').css('background-color') || '#FFF';
-      setBackground(color, $$b('#canvas_bg_url').val());
+      setBackground(color, $$b('#canvas_bg_url').val()); // set language
 
-      // set language
       var lang = $$b('#lang_select').val();
+
       if (lang !== $$b.pref('lang')) {
         editor.putLocale(lang, goodLangs, curConfig);
-      }
+      } // set icon size
 
-      // set icon size
-      setIconSize($$b('#iconsize').val());
 
-      // set grid setting
+      setIconSize($$b('#iconsize').val()); // set grid setting
+
       curConfig.gridSnapping = $$b('#grid_snapping_on')[0].checked;
       curConfig.snappingStep = $$b('#grid_snapping_step').val();
       curConfig.gridColor = $$b('#grid_color').val();
       curConfig.showRulers = $$b('#show_rulers')[0].checked;
-
       $$b('#rulers').toggle(curConfig.showRulers);
+
       if (curConfig.showRulers) {
         updateRulers();
       }
+
       curConfig.baseUnit = $$b('#base_unit').val();
-
       svgCanvas.setConfig(curConfig);
-
       updateCanvas();
       hidePreferences();
     };
@@ -29561,10 +32363,12 @@
 
     var cancelOverlays = function cancelOverlays() {
       $$b('#dialog_box').hide();
+
       if (!editingsource && !docprops && !preferences) {
         if (curContext) {
           svgCanvas.leaveContext();
         }
+
         return;
       }
 
@@ -29583,12 +32387,15 @@
       } else if (preferences) {
         hidePreferences();
       }
+
       resetScrollPos();
     };
 
-    var winWh = { width: $$b(window).width(), height: $$b(window).height() };
+    var winWh = {
+      width: $$b(window).width(),
+      height: $$b(window).height()
+    }; // Fix for Issue 781: Drawing area jumps to top-left corner on window resize (IE9)
 
-    // Fix for Issue 781: Drawing area jumps to top-left corner on window resize (IE9)
     if (isIE()) {
       (function () {
         resetScrollPos = function resetScrollPos() {
@@ -29602,7 +32409,6 @@
           left: workarea[0].scrollLeft,
           top: workarea[0].scrollTop
         };
-
         $$b(window).resize(resetScrollPos);
         editor.ready(function () {
           // TODO: Find better way to detect when to do this to minimize
@@ -29611,7 +32417,6 @@
             resetScrollPos();
           }, 500);
         });
-
         workarea.scroll(function () {
           curScrollPos = {
             left: workarea[0].scrollLeft,
@@ -29636,6 +32441,7 @@
         if ($$b('#ruler_x').length) {
           $$b('#ruler_x')[0].scrollLeft = workarea[0].scrollLeft;
         }
+
         if ($$b('#ruler_y').length) {
           $$b('#ruler_y')[0].scrollTop = workarea[0].scrollTop;
         }
@@ -29645,27 +32451,21 @@
     $$b('#url_notice').click(function () {
       $$b.alert(this.title);
     });
-
-    $$b('#change_image_url').click(promptImgURL);
-
-    // added these event handlers for all the push buttons so they
+    $$b('#change_image_url').click(promptImgURL); // added these event handlers for all the push buttons so they
     // behave more like buttons being pressed-in and not images
+
     (function () {
       var toolnames = ['clear', 'open', 'save', 'source', 'delete', 'delete_multi', 'paste', 'clone', 'clone_multi', 'move_top', 'move_bottom'];
       var curClass = 'tool_button_current';
-
       var allTools = '';
-
       $$b.each(toolnames, function (i, item) {
         allTools += (i ? ',' : '') + '#tool_' + item;
       });
-
       $$b(allTools).mousedown(function () {
         $$b(this).addClass(curClass);
       }).bind('mousedown mouseout', function () {
         $$b(this).removeClass(curClass);
       });
-
       $$b('#tool_undo, #tool_redo').mousedown(function () {
         if (!$$b(this).hasClass('disabled')) {
           $$b(this).addClass(curClass);
@@ -29673,42 +32473,49 @@
       }).bind('mousedown mouseout', function () {
         $$b(this).removeClass(curClass);
       });
-    })();
-
-    // switch modifier key in tooltips if mac
+    })(); // switch modifier key in tooltips if mac
     // NOTE: This code is not used yet until I can figure out how to successfully bind ctrl/meta
     // in Opera and Chrome
+
+
     if (isMac() && !window.opera) {
       var shortcutButtons = ['tool_clear', 'tool_save', 'tool_source', 'tool_undo', 'tool_redo', 'tool_clone'];
       var _i2 = shortcutButtons.length;
+
       while (_i2--) {
         var button = document.getElementById(shortcutButtons[_i2]);
+
         if (button) {
           var title = button.title;
-
           var index = title.indexOf('Ctrl+');
           button.title = [title.substr(0, index), 'Cmd+', title.substr(index + 5)].join('');
         }
       }
-    }
-
-    // TODO: go back to the color boxes having white background-color and then setting
+    } // TODO: go back to the color boxes having white background-color and then setting
     //  background-image to none.png (otherwise partially transparent gradients look weird)
+
+
     var colorPicker = function colorPicker(elem) {
-      var picker = elem.attr('id') === 'stroke_color' ? 'stroke' : 'fill';
-      // const opacity = (picker == 'stroke' ? $('#stroke_opacity') : $('#fill_opacity'));
-      var title = picker === 'stroke' ? uiStrings$1.ui.pick_stroke_paint_opacity : uiStrings$1.ui.pick_fill_paint_opacity;
-      // let wasNone = false; // Currently unused
+      var picker = elem.attr('id') === 'stroke_color' ? 'stroke' : 'fill'; // const opacity = (picker == 'stroke' ? $('#stroke_opacity') : $('#fill_opacity'));
+
+      var title = picker === 'stroke' ? uiStrings$1.ui.pick_stroke_paint_opacity : uiStrings$1.ui.pick_fill_paint_opacity; // let wasNone = false; // Currently unused
+
       var pos = elem.offset();
       var paint = paintBox[picker].paint;
-
       $$b('#color_picker').draggable({
         cancel: '.jGraduate_tabs, .jGraduate_colPick, .jGraduate_gradPick, .jPicker',
         containment: 'window'
-      }).css(curConfig.colorPickerCSS || { left: pos.left - 140, bottom: 40 }).jGraduate({
+      }).css(curConfig.colorPickerCSS || {
+        left: pos.left - 140,
+        bottom: 40
+      }).jGraduate({
         paint: paint,
-        window: { pickerTitle: title },
-        images: { clientPath: curConfig.jGraduatePath },
+        window: {
+          pickerTitle: title
+        },
+        images: {
+          clientPath: curConfig.jGraduatePath
+        },
         newstop: 'inverse'
       }, function (p) {
         paint = new $$b.jGraduate.Paint(p);
@@ -29721,33 +32528,32 @@
     };
 
     var PaintBox = function PaintBox(container, type) {
-      var paintColor = void 0,
-          paintOpacity = void 0;
-      var cur = curConfig[type === 'fill' ? 'initFill' : 'initStroke'];
-      // set up gradients to be used for the buttons
-      var svgdocbox = new DOMParser().parseFromString('<svg xmlns="http://www.w3.org/2000/svg">\n        <rect width="16.5" height="16.5"\n          fill="#' + cur.color + '" opacity="' + cur.opacity + '"/>\n        <defs><linearGradient id="gradbox_"/></defs>\n      </svg>', 'text/xml');
+      var paintColor, paintOpacity;
+      var cur = curConfig[type === 'fill' ? 'initFill' : 'initStroke']; // set up gradients to be used for the buttons
 
+      var svgdocbox = new DOMParser().parseFromString("<svg xmlns=\"http://www.w3.org/2000/svg\">\n        <rect width=\"16.5\" height=\"16.5\"\n          fill=\"#".concat(cur.color, "\" opacity=\"").concat(cur.opacity, "\"/>\n        <defs><linearGradient id=\"gradbox_\"/></defs>\n      </svg>"), 'text/xml');
       var docElem = svgdocbox.documentElement;
       docElem = $$b(container)[0].appendChild(document.importNode(docElem, true));
       docElem.setAttribute('width', 16.5);
-
       this.rect = docElem.firstElementChild;
       this.defs = docElem.getElementsByTagName('defs')[0];
       this.grad = this.defs.firstElementChild;
-      this.paint = new $$b.jGraduate.Paint({ solidColor: cur.color });
+      this.paint = new $$b.jGraduate.Paint({
+        solidColor: cur.color
+      });
       this.type = type;
 
       this.setPaint = function (paint, apply) {
         this.paint = paint;
-
         var ptype = paint.type;
         var opac = paint.alpha / 100;
-
         var fillAttr = 'none';
+
         switch (ptype) {
           case 'solidColor':
             fillAttr = paint[ptype] !== 'none' ? '#' + paint[ptype] : paint[ptype];
             break;
+
           case 'linearGradient':
           case 'radialGradient':
             this.grad.remove();
@@ -29780,15 +32586,17 @@
             // These elements don't have fill or stroke, so don't change
             // the current value
             return;
+
           case 'g':
           case 'a':
             {
               var childs = selectedElement.getElementsByTagName('*');
-
               var gPaint = null;
+
               for (var _i3 = 0, len = childs.length; _i3 < len; _i3++) {
                 var elem = childs[_i3];
                 var p = elem.getAttribute(type);
+
                 if (_i3 === 0) {
                   gPaint = p;
                 } else if (gPaint !== p) {
@@ -29802,11 +32610,15 @@
                 paintColor = null;
                 return;
               }
+
               paintColor = gPaint;
               paintOpacity = 1;
               break;
-            }default:
+            }
+
+          default:
             paintOpacity = parseFloat(selectedElement.getAttribute(type + '-opacity'));
+
             if (isNaN(paintOpacity)) {
               paintOpacity = 1.0;
             }
@@ -29821,9 +32633,8 @@
         }
 
         paintOpacity *= 100;
+        var paint = getPaint(paintColor, paintOpacity, type); // update the rect inside #fill_color/#stroke_color
 
-        var paint = getPaint(paintColor, paintOpacity, type);
-        // update the rect inside #fill_color/#stroke_color
         this.setPaint(paint);
       };
 
@@ -29833,7 +32644,9 @@
         switch (ptype) {
           case 'linearGradient':
           case 'radialGradient':
-            var paint = new $$b.jGraduate.Paint({ copy: this.paint });
+            var paint = new $$b.jGraduate.Paint({
+              copy: this.paint
+            });
             svgCanvas.setPaint(type, paint);
             break;
         }
@@ -29842,36 +32655,37 @@
 
     paintBox.fill = new PaintBox('#fill_color', 'fill');
     paintBox.stroke = new PaintBox('#stroke_color', 'stroke');
-
     $$b('#stroke_width').val(curConfig.initStroke.width);
-    $$b('#group_opacity').val(curConfig.initOpacity * 100);
+    $$b('#group_opacity').val(curConfig.initOpacity * 100); // Use this SVG elem to test vectorEffect support
 
-    // Use this SVG elem to test vectorEffect support
     var testEl = paintBox.fill.rect.cloneNode(false);
     testEl.setAttribute('style', 'vector-effect:non-scaling-stroke');
     var supportsNonSS = testEl.style.vectorEffect === 'non-scaling-stroke';
     testEl.removeAttribute('style');
-    var svgdocbox = paintBox.fill.rect.ownerDocument;
-    // Use this to test support for blur element. Seems to work to test support in Webkit
+    var svgdocbox = paintBox.fill.rect.ownerDocument; // Use this to test support for blur element. Seems to work to test support in Webkit
+
     var blurTest = svgdocbox.createElementNS(NS.SVG, 'feGaussianBlur');
+
     if (blurTest.stdDeviationX === undefined) {
       $$b('#tool_blur').hide();
     }
-    $$b(blurTest).remove();
 
-    // Test for zoom icon support
+    $$b(blurTest).remove(); // Test for zoom icon support
+
     (function () {
       var pre = '-' + uaPrefix.toLowerCase() + '-zoom-';
       var zoom = pre + 'in';
       workarea.css('cursor', zoom);
+
       if (workarea.css('cursor') === zoom) {
         zoomInIcon = zoom;
         zoomOutIcon = pre + 'out';
       }
-      workarea.css('cursor', 'auto');
-    })();
 
-    // Test for embedImage support (use timeout to not interfere with page load)
+      workarea.css('cursor', 'auto');
+    })(); // Test for embedImage support (use timeout to not interfere with page load)
+
+
     setTimeout(function () {
       svgCanvas.embedImage('images/logo.png', function (datauri) {
         if (!datauri) {
@@ -29883,32 +32697,26 @@
         }
       });
     }, 1000);
-
     $$b('#fill_color, #tool_fill .icon_label').click(function () {
       colorPicker($$b('#fill_color'));
       updateToolButtonState();
     });
-
     $$b('#stroke_color, #tool_stroke .icon_label').click(function () {
       colorPicker($$b('#stroke_color'));
       updateToolButtonState();
     });
-
     $$b('#group_opacityLabel').click(function () {
       $$b('#opacity_dropdown button').mousedown();
       $$b(window).mouseup();
     });
-
     $$b('#zoomLabel').click(function () {
       $$b('#zoom_dropdown button').mousedown();
       $$b(window).mouseup();
     });
-
     $$b('#tool_move_top').mousedown(function (evt) {
       $$b('#tools_stacking').show();
       evt.preventDefault();
     });
-
     $$b('.layer_button').mousedown(function () {
       $$b(this).addClass('layer_buttonpressed');
     }).mouseout(function () {
@@ -29916,7 +32724,6 @@
     }).mouseup(function () {
       $$b(this).removeClass('layer_buttonpressed');
     });
-
     $$b('.push_button').mousedown(function () {
       if (!$$b(this).hasClass('disabled')) {
         $$b(this).addClass('push_button_pressed').removeClass('push_button');
@@ -29925,12 +32732,12 @@
       $$b(this).removeClass('push_button_pressed').addClass('push_button');
     }).mouseup(function () {
       $$b(this).removeClass('push_button_pressed').addClass('push_button');
-    });
+    }); // ask for a layer name
 
-    // ask for a layer name
     $$b('#layer_new').click(function () {
-      var uniqName = void 0,
+      var uniqName,
           i = svgCanvas.getCurrentDrawing().getNumLayers();
+
       do {
         uniqName = uiStrings$1.layers.layer + ' ' + ++i;
       } while (svgCanvas.getCurrentDrawing().hasLayer(uniqName));
@@ -29939,10 +32746,12 @@
         if (!newName) {
           return;
         }
+
         if (svgCanvas.getCurrentDrawing().hasLayer(newName)) {
           $$b.alert(uiStrings$1.notification.dupeLayerName);
           return;
         }
+
         svgCanvas.createLayer(newName);
         updateContextPanel();
         populateLayers();
@@ -29952,10 +32761,10 @@
     function deleteLayer() {
       if (svgCanvas.deleteCurrentLayer()) {
         updateContextPanel();
-        populateLayers();
-        // This matches what SvgCanvas does
+        populateLayers(); // This matches what SvgCanvas does
         // TODO: make this behavior less brittle (svg-editor should get which
         // layer is selected from the canvas and then select that one in the UI)
+
         $$b('#layerlist tr.layer').removeClass('layersel');
         $$b('#layerlist tr.layer:first').addClass('layersel');
       }
@@ -29963,15 +32772,16 @@
 
     function cloneLayer() {
       var name = svgCanvas.getCurrentDrawing().getCurrentLayerName() + ' copy';
-
       $$b.prompt(uiStrings$1.notification.enterUniqueLayerName, name, function (newName) {
         if (!newName) {
           return;
         }
+
         if (svgCanvas.getCurrentDrawing().hasLayer(newName)) {
           $$b.alert(uiStrings$1.notification.dupeLayerName);
           return;
         }
+
         svgCanvas.cloneLayer(newName);
         updateContextPanel();
         populateLayers();
@@ -29982,6 +32792,7 @@
       if ($$b('#layerlist tr.layersel').index() === svgCanvas.getCurrentDrawing().getNumLayers() - 1) {
         return;
       }
+
       svgCanvas.mergeLayer();
       updateContextPanel();
       populateLayers();
@@ -29989,8 +32800,8 @@
 
     function moveLayer(pos) {
       var total = svgCanvas.getCurrentDrawing().getNumLayers();
-
       var curIndex = $$b('#layerlist tr.layersel').index();
+
       if (curIndex > 0 || curIndex < total - 1) {
         curIndex += pos;
         svgCanvas.setCurrentLayerPosition(total - curIndex - 1);
@@ -29999,15 +32810,12 @@
     }
 
     $$b('#layer_delete').click(deleteLayer);
-
     $$b('#layer_up').click(function () {
       moveLayer(-1);
     });
-
     $$b('#layer_down').click(function () {
       moveLayer(1);
     });
-
     $$b('#layer_rename').click(function () {
       // const curIndex = $('#layerlist tr.layersel').prevAll().length; // Currently unused
       var oldName = $$b('#layerlist tr.layersel td.layername').text();
@@ -30015,6 +32823,7 @@
         if (!newName) {
           return;
         }
+
         if (oldName === newName || svgCanvas.getCurrentDrawing().hasLayer(newName)) {
           $$b.alert(uiStrings$1.notification.layerHasThatName);
           return;
@@ -30024,18 +32833,17 @@
         populateLayers();
       });
     });
-
     var SIDEPANEL_MAXWIDTH = 300;
     var SIDEPANEL_OPENWIDTH = 150;
     var sidedrag = -1,
         sidedragging = false,
         allowmove = false;
-
     /**
      * @param {Float} delta
      * @fires module:svgcanvas.SvgCanvas#event:ext-workareaResized
      * @returns {undefined}
      */
+
     var changeSidePanelWidth = function changeSidePanelWidth(delta) {
       var rulerX = $$b('#ruler_x');
       $$b('#sidepanels').width('+=' + delta);
@@ -30049,31 +32857,35 @@
       if (!allowmove) {
         return;
       }
+
       if (sidedrag === -1) {
         return;
       }
+
       sidedragging = true;
       var deltaX = sidedrag - evt.pageX;
       var sideWidth = $$b('#sidepanels').width();
+
       if (sideWidth + deltaX > SIDEPANEL_MAXWIDTH) {
-        deltaX = SIDEPANEL_MAXWIDTH - sideWidth;
-        // sideWidth = SIDEPANEL_MAXWIDTH;
+        deltaX = SIDEPANEL_MAXWIDTH - sideWidth; // sideWidth = SIDEPANEL_MAXWIDTH;
       } else if (sideWidth + deltaX < 2) {
-        deltaX = 2 - sideWidth;
-        // sideWidth = 2;
+        deltaX = 2 - sideWidth; // sideWidth = 2;
       }
+
       if (deltaX === 0) {
         return;
       }
+
       sidedrag -= deltaX;
       changeSidePanelWidth(deltaX);
     };
-
     /**
      * If width is non-zero, then fully close it, otherwise fully open it
      * @param {boolean} close Forces the side panel closed
      * @returns {undefined}
      */
+
+
     var toggleSidePanel = function toggleSidePanel(close) {
       var w = $$b('#sidepanels').width();
       var deltaX = (w > 2 || close ? 2 : SIDEPANEL_OPENWIDTH) - w;
@@ -30083,8 +32895,8 @@
     $$b('#sidepanel_handle').mousedown(function (evt) {
       sidedrag = evt.pageX;
       $$b(window).mousemove(resizeSidePanel);
-      allowmove = false;
-      // Silly hack for Chrome, which always runs mousemove right after mousedown
+      allowmove = false; // Silly hack for Chrome, which always runs mousemove right after mousedown
+
       setTimeout(function () {
         allowmove = true;
       }, 20);
@@ -30092,19 +32904,16 @@
       if (!sidedragging) {
         toggleSidePanel();
       }
+
       sidedrag = -1;
       sidedragging = false;
     });
-
     $$b(window).mouseup(function () {
       sidedrag = -1;
       sidedragging = false;
       $$b('#svg_editor').unbind('mousemove', resizeSidePanel);
     });
-
-    populateLayers();
-
-    // function changeResolution (x,y) {
+    populateLayers(); // function changeResolution (x,y) {
     //   const {zoom} = svgCanvas.getResolution();
     //   setResolution(x * zoom, y * zoom);
     // }
@@ -30120,6 +32929,7 @@
       var origVal = Number(elem.value);
       var sugVal = origVal + step;
       var increasing = sugVal >= origVal;
+
       if (step === 0) {
         return origVal;
       }
@@ -30128,23 +32938,30 @@
         if (increasing) {
           return Math.round(origVal * 1.1);
         }
+
         return Math.round(origVal / 1.1);
       }
+
       if (origVal <= 1) {
         if (increasing) {
           return origVal * 2;
         }
+
         return origVal / 2;
       }
+
       return sugVal;
     }
 
     function stepZoom(elem, step) {
       var origVal = Number(elem.value);
+
       if (origVal === 0) {
         return 100;
       }
+
       var sugVal = origVal + step;
+
       if (step === 0) {
         return origVal;
       }
@@ -30152,13 +32969,13 @@
       if (origVal >= 100) {
         return sugVal;
       }
+
       if (sugVal >= origVal) {
         return origVal * 2;
       }
-      return origVal / 2;
-    }
 
-    // function setResolution (w, h, center) {
+      return origVal / 2;
+    } // function setResolution (w, h, center) {
     //   updateCanvas();
     //   // w -= 0; h -= 0;
     //   // $('#svgcanvas').css({width: w, height: h});
@@ -30174,8 +32991,10 @@
     //   // }
     // }
 
+
     $$b('#resolution').change(function () {
       var wh = $$b('#canvas_width,#canvas_height');
+
       if (!this.selectedIndex) {
         if ($$b('#canvas_width').val() === 'fit') {
           wh.removeAttr('disabled').val(100);
@@ -30188,15 +33007,14 @@
         $$b('#canvas_height').val(dims[1]);
         wh.removeAttr('disabled');
       }
-    });
+    }); // Prevent browser from erroneously repopulating fields
 
-    // Prevent browser from erroneously repopulating fields
     $$b('input,select').attr('autocomplete', 'off');
-
     /**
      * Associate all button actions as well as non-button keyboard shortcuts
      * @namespace {PlainObject} module:SVGEditor~Actions
      */
+
     var Actions = function () {
       /**
       * @typedef {PlainObject} module:SVGEditor.ToolButton
@@ -30209,218 +33027,508 @@
       * @property {string} [icon] The button ID
       * @property {boolean} isDefault For flyout holders
       */
+
       /**
        *
        * @name module:SVGEditor~ToolButtons
        * @type {module:SVGEditor.ToolButton[]}
        */
-      var toolButtons = [{ sel: '#tool_select', fn: clickSelect, evt: 'click', key: ['V', true] }, { sel: '#tool_fhpath', fn: clickFHPath, evt: 'click', key: ['Q', true] }, { sel: '#tool_line', fn: clickLine, evt: 'click', key: ['L', true], parent: '#tools_line', prepend: true }, { sel: '#tool_rect', fn: clickRect, evt: 'mouseup',
-        key: ['R', true], parent: '#tools_rect', icon: 'rect' }, { sel: '#tool_square', fn: clickSquare, evt: 'mouseup',
-        parent: '#tools_rect', icon: 'square' }, { sel: '#tool_fhrect', fn: clickFHRect, evt: 'mouseup',
-        parent: '#tools_rect', icon: 'fh_rect' }, { sel: '#tool_ellipse', fn: clickEllipse, evt: 'mouseup',
-        key: ['E', true], parent: '#tools_ellipse', icon: 'ellipse' }, { sel: '#tool_circle', fn: clickCircle, evt: 'mouseup',
-        parent: '#tools_ellipse', icon: 'circle' }, { sel: '#tool_fhellipse', fn: clickFHEllipse, evt: 'mouseup',
-        parent: '#tools_ellipse', icon: 'fh_ellipse' }, { sel: '#tool_path', fn: clickPath, evt: 'click', key: ['P', true] }, { sel: '#tool_text', fn: clickText, evt: 'click', key: ['T', true] }, { sel: '#tool_image', fn: clickImage, evt: 'mouseup' }, { sel: '#tool_zoom', fn: clickZoom, evt: 'mouseup', key: ['Z', true] }, { sel: '#tool_clear', fn: clickClear, evt: 'mouseup', key: ['N', true] }, { sel: '#tool_save', fn: function fn() {
+      var toolButtons = [{
+        sel: '#tool_select',
+        fn: clickSelect,
+        evt: 'click',
+        key: ['V', true]
+      }, {
+        sel: '#tool_fhpath',
+        fn: clickFHPath,
+        evt: 'click',
+        key: ['Q', true]
+      }, {
+        sel: '#tool_line',
+        fn: clickLine,
+        evt: 'click',
+        key: ['L', true],
+        parent: '#tools_line',
+        prepend: true
+      }, {
+        sel: '#tool_rect',
+        fn: clickRect,
+        evt: 'mouseup',
+        key: ['R', true],
+        parent: '#tools_rect',
+        icon: 'rect'
+      }, {
+        sel: '#tool_square',
+        fn: clickSquare,
+        evt: 'mouseup',
+        parent: '#tools_rect',
+        icon: 'square'
+      }, {
+        sel: '#tool_fhrect',
+        fn: clickFHRect,
+        evt: 'mouseup',
+        parent: '#tools_rect',
+        icon: 'fh_rect'
+      }, {
+        sel: '#tool_ellipse',
+        fn: clickEllipse,
+        evt: 'mouseup',
+        key: ['E', true],
+        parent: '#tools_ellipse',
+        icon: 'ellipse'
+      }, {
+        sel: '#tool_circle',
+        fn: clickCircle,
+        evt: 'mouseup',
+        parent: '#tools_ellipse',
+        icon: 'circle'
+      }, {
+        sel: '#tool_fhellipse',
+        fn: clickFHEllipse,
+        evt: 'mouseup',
+        parent: '#tools_ellipse',
+        icon: 'fh_ellipse'
+      }, {
+        sel: '#tool_path',
+        fn: clickPath,
+        evt: 'click',
+        key: ['P', true]
+      }, {
+        sel: '#tool_text',
+        fn: clickText,
+        evt: 'click',
+        key: ['T', true]
+      }, {
+        sel: '#tool_image',
+        fn: clickImage,
+        evt: 'mouseup'
+      }, {
+        sel: '#tool_zoom',
+        fn: clickZoom,
+        evt: 'mouseup',
+        key: ['Z', true]
+      }, {
+        sel: '#tool_clear',
+        fn: clickClear,
+        evt: 'mouseup',
+        key: ['N', true]
+      }, {
+        sel: '#tool_save',
+        fn: function fn() {
           if (editingsource) {
             saveSourceEditor();
           } else {
             clickSave();
           }
         },
-        evt: 'mouseup', key: ['S', true] }, { sel: '#tool_export', fn: clickExport, evt: 'mouseup' }, { sel: '#tool_open', fn: clickOpen, evt: 'mouseup', key: ['O', true] }, { sel: '#tool_import', fn: clickImport, evt: 'mouseup' }, { sel: '#tool_source', fn: showSourceEditor, evt: 'click', key: ['U', true] }, { sel: '#tool_wireframe', fn: clickWireframe, evt: 'click', key: ['F', true] }, { sel: '#tool_source_cancel,.overlay,#tool_docprops_cancel,#tool_prefs_cancel',
-        fn: cancelOverlays, evt: 'click', key: ['esc', false, false], hidekey: true }, { sel: '#tool_source_save', fn: saveSourceEditor, evt: 'click' }, { sel: '#tool_docprops_save', fn: saveDocProperties, evt: 'click' }, { sel: '#tool_docprops', fn: showDocProperties, evt: 'mouseup' }, { sel: '#tool_prefs_save', fn: savePreferences, evt: 'click' }, { sel: '#tool_prefs_option', fn: function fn() {
-          showPreferences();return false;
+        evt: 'mouseup',
+        key: ['S', true]
+      }, {
+        sel: '#tool_export',
+        fn: clickExport,
+        evt: 'mouseup'
+      }, {
+        sel: '#tool_open',
+        fn: clickOpen,
+        evt: 'mouseup',
+        key: ['O', true]
+      }, {
+        sel: '#tool_import',
+        fn: clickImport,
+        evt: 'mouseup'
+      }, {
+        sel: '#tool_source',
+        fn: showSourceEditor,
+        evt: 'click',
+        key: ['U', true]
+      }, {
+        sel: '#tool_wireframe',
+        fn: clickWireframe,
+        evt: 'click',
+        key: ['F', true]
+      }, {
+        sel: '#tool_source_cancel,.overlay,#tool_docprops_cancel,#tool_prefs_cancel',
+        fn: cancelOverlays,
+        evt: 'click',
+        key: ['esc', false, false],
+        hidekey: true
+      }, {
+        sel: '#tool_source_save',
+        fn: saveSourceEditor,
+        evt: 'click'
+      }, {
+        sel: '#tool_docprops_save',
+        fn: saveDocProperties,
+        evt: 'click'
+      }, {
+        sel: '#tool_docprops',
+        fn: showDocProperties,
+        evt: 'mouseup'
+      }, {
+        sel: '#tool_prefs_save',
+        fn: savePreferences,
+        evt: 'click'
+      }, {
+        sel: '#tool_prefs_option',
+        fn: function fn() {
+          showPreferences();
+          return false;
         },
-        evt: 'mouseup' }, { sel: '#tool_delete,#tool_delete_multi', fn: deleteSelected,
-        evt: 'click', key: ['del/backspace', true] }, { sel: '#tool_reorient', fn: reorientPath, evt: 'click' }, { sel: '#tool_node_link', fn: linkControlPoints, evt: 'click' }, { sel: '#tool_node_clone', fn: clonePathNode, evt: 'click' }, { sel: '#tool_node_delete', fn: deletePathNode, evt: 'click' }, { sel: '#tool_openclose_path', fn: opencloseSubPath, evt: 'click' }, { sel: '#tool_add_subpath', fn: addSubPath, evt: 'click' }, { sel: '#tool_move_top', fn: moveToTopSelected, evt: 'click', key: 'ctrl+shift+]' }, { sel: '#tool_move_bottom', fn: moveToBottomSelected, evt: 'click', key: 'ctrl+shift+[' }, { sel: '#tool_topath', fn: convertToPath$$1, evt: 'click' }, { sel: '#tool_make_link,#tool_make_link_multi', fn: makeHyperlink, evt: 'click' }, { sel: '#tool_undo', fn: clickUndo, evt: 'click' }, { sel: '#tool_redo', fn: clickRedo, evt: 'click' }, { sel: '#tool_clone,#tool_clone_multi', fn: clickClone, evt: 'click', key: ['D', true] }, { sel: '#tool_group_elements', fn: clickGroup, evt: 'click', key: ['G', true] }, { sel: '#tool_ungroup', fn: clickGroup, evt: 'click' }, { sel: '#tool_unlink_use', fn: clickGroup, evt: 'click' }, { sel: '[id^=tool_align]', fn: clickAlign, evt: 'click' },
-      // these two lines are required to make Opera work properly with the flyout mechanism
+        evt: 'mouseup'
+      }, {
+        sel: '#tool_delete,#tool_delete_multi',
+        fn: deleteSelected,
+        evt: 'click',
+        key: ['del/backspace', true]
+      }, {
+        sel: '#tool_reorient',
+        fn: reorientPath,
+        evt: 'click'
+      }, {
+        sel: '#tool_node_link',
+        fn: linkControlPoints,
+        evt: 'click'
+      }, {
+        sel: '#tool_node_clone',
+        fn: clonePathNode,
+        evt: 'click'
+      }, {
+        sel: '#tool_node_delete',
+        fn: deletePathNode,
+        evt: 'click'
+      }, {
+        sel: '#tool_openclose_path',
+        fn: opencloseSubPath,
+        evt: 'click'
+      }, {
+        sel: '#tool_add_subpath',
+        fn: addSubPath,
+        evt: 'click'
+      }, {
+        sel: '#tool_move_top',
+        fn: moveToTopSelected,
+        evt: 'click',
+        key: 'ctrl+shift+]'
+      }, {
+        sel: '#tool_move_bottom',
+        fn: moveToBottomSelected,
+        evt: 'click',
+        key: 'ctrl+shift+['
+      }, {
+        sel: '#tool_topath',
+        fn: convertToPath$$1,
+        evt: 'click'
+      }, {
+        sel: '#tool_make_link,#tool_make_link_multi',
+        fn: makeHyperlink,
+        evt: 'click'
+      }, {
+        sel: '#tool_undo',
+        fn: clickUndo,
+        evt: 'click'
+      }, {
+        sel: '#tool_redo',
+        fn: clickRedo,
+        evt: 'click'
+      }, {
+        sel: '#tool_clone,#tool_clone_multi',
+        fn: clickClone,
+        evt: 'click',
+        key: ['D', true]
+      }, {
+        sel: '#tool_group_elements',
+        fn: clickGroup,
+        evt: 'click',
+        key: ['G', true]
+      }, {
+        sel: '#tool_ungroup',
+        fn: clickGroup,
+        evt: 'click'
+      }, {
+        sel: '#tool_unlink_use',
+        fn: clickGroup,
+        evt: 'click'
+      }, {
+        sel: '[id^=tool_align]',
+        fn: clickAlign,
+        evt: 'click'
+      }, // these two lines are required to make Opera work properly with the flyout mechanism
       // {sel: '#tools_rect_show', fn: clickRect, evt: 'click'},
       // {sel: '#tools_ellipse_show', fn: clickEllipse, evt: 'click'},
-      { sel: '#tool_bold', fn: clickBold, evt: 'mousedown' }, { sel: '#tool_italic', fn: clickItalic, evt: 'mousedown' }, { sel: '#sidepanel_handle', fn: toggleSidePanel, key: ['X'] }, { sel: '#copy_save_done', fn: cancelOverlays, evt: 'click' },
-
-      // Shortcuts not associated with buttons
-
-      { key: 'ctrl+left', fn: function fn() {
+      {
+        sel: '#tool_bold',
+        fn: clickBold,
+        evt: 'mousedown'
+      }, {
+        sel: '#tool_italic',
+        fn: clickItalic,
+        evt: 'mousedown'
+      }, {
+        sel: '#sidepanel_handle',
+        fn: toggleSidePanel,
+        key: ['X']
+      }, {
+        sel: '#copy_save_done',
+        fn: cancelOverlays,
+        evt: 'click'
+      }, // Shortcuts not associated with buttons
+      {
+        key: 'ctrl+left',
+        fn: function fn() {
           rotateSelected(0, 1);
         }
-      }, { key: 'ctrl+right', fn: function fn() {
+      }, {
+        key: 'ctrl+right',
+        fn: function fn() {
           rotateSelected(1, 1);
         }
-      }, { key: 'ctrl+shift+left', fn: function fn() {
+      }, {
+        key: 'ctrl+shift+left',
+        fn: function fn() {
           rotateSelected(0, 5);
         }
-      }, { key: 'ctrl+shift+right', fn: function fn() {
+      }, {
+        key: 'ctrl+shift+right',
+        fn: function fn() {
           rotateSelected(1, 5);
         }
-      }, { key: 'shift+O', fn: selectPrev }, { key: 'shift+P', fn: selectNext }, { key: [modKey + 'up', true], fn: function fn() {
+      }, {
+        key: 'shift+O',
+        fn: selectPrev
+      }, {
+        key: 'shift+P',
+        fn: selectNext
+      }, {
+        key: [modKey + 'up', true],
+        fn: function fn() {
           zoomImage(2);
         }
-      }, { key: [modKey + 'down', true], fn: function fn() {
+      }, {
+        key: [modKey + 'down', true],
+        fn: function fn() {
           zoomImage(0.5);
         }
-      }, { key: [modKey + ']', true], fn: function fn() {
+      }, {
+        key: [modKey + ']', true],
+        fn: function fn() {
           moveUpDownSelected('Up');
         }
-      }, { key: [modKey + '[', true], fn: function fn() {
+      }, {
+        key: [modKey + '[', true],
+        fn: function fn() {
           moveUpDownSelected('Down');
         }
-      }, { key: ['up', true], fn: function fn() {
+      }, {
+        key: ['up', true],
+        fn: function fn() {
           moveSelected(0, -1);
         }
-      }, { key: ['down', true], fn: function fn() {
+      }, {
+        key: ['down', true],
+        fn: function fn() {
           moveSelected(0, 1);
         }
-      }, { key: ['left', true], fn: function fn() {
+      }, {
+        key: ['left', true],
+        fn: function fn() {
           moveSelected(-1, 0);
         }
-      }, { key: ['right', true], fn: function fn() {
+      }, {
+        key: ['right', true],
+        fn: function fn() {
           moveSelected(1, 0);
         }
-      }, { key: 'shift+up', fn: function fn() {
+      }, {
+        key: 'shift+up',
+        fn: function fn() {
           moveSelected(0, -10);
         }
-      }, { key: 'shift+down', fn: function fn() {
+      }, {
+        key: 'shift+down',
+        fn: function fn() {
           moveSelected(0, 10);
         }
-      }, { key: 'shift+left', fn: function fn() {
+      }, {
+        key: 'shift+left',
+        fn: function fn() {
           moveSelected(-10, 0);
         }
-      }, { key: 'shift+right', fn: function fn() {
+      }, {
+        key: 'shift+right',
+        fn: function fn() {
           moveSelected(10, 0);
         }
-      }, { key: ['alt+up', true], fn: function fn() {
+      }, {
+        key: ['alt+up', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(0, -1);
         }
-      }, { key: ['alt+down', true], fn: function fn() {
+      }, {
+        key: ['alt+down', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(0, 1);
         }
-      }, { key: ['alt+left', true], fn: function fn() {
+      }, {
+        key: ['alt+left', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(-1, 0);
         }
-      }, { key: ['alt+right', true], fn: function fn() {
+      }, {
+        key: ['alt+right', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(1, 0);
         }
-      }, { key: ['alt+shift+up', true], fn: function fn() {
+      }, {
+        key: ['alt+shift+up', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(0, -10);
         }
-      }, { key: ['alt+shift+down', true], fn: function fn() {
+      }, {
+        key: ['alt+shift+down', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(0, 10);
         }
-      }, { key: ['alt+shift+left', true], fn: function fn() {
+      }, {
+        key: ['alt+shift+left', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(-10, 0);
         }
-      }, { key: ['alt+shift+right', true], fn: function fn() {
+      }, {
+        key: ['alt+shift+right', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(10, 0);
         }
-      }, { key: 'A', fn: function fn() {
+      }, {
+        key: 'A',
+        fn: function fn() {
           svgCanvas.selectAllInCurrentLayer();
         }
-      },
+      }, // Standard shortcuts
+      {
+        key: modKey + 'z',
+        fn: clickUndo
+      }, {
+        key: modKey + 'shift+z',
+        fn: clickRedo
+      }, {
+        key: modKey + 'y',
+        fn: clickRedo
+      }, {
+        key: modKey + 'x',
+        fn: cutSelected
+      }, {
+        key: modKey + 'c',
+        fn: copySelected
+      }, {
+        key: modKey + 'v',
+        fn: pasteInCenter
+      }]; // Tooltips not directly associated with a single function
 
-      // Standard shortcuts
-      { key: modKey + 'z', fn: clickUndo }, { key: modKey + 'shift+z', fn: clickRedo }, { key: modKey + 'y', fn: clickRedo }, { key: modKey + 'x', fn: cutSelected }, { key: modKey + 'c', fn: copySelected }, { key: modKey + 'v', fn: pasteInCenter }];
-
-      // Tooltips not directly associated with a single function
       var keyAssocs = {
         '4/Shift+4': '#tools_rect_show',
         '5/Shift+5': '#tools_ellipse_show'
       };
-
       return {
         /** @lends module:SVGEditor~Actions */
+
         /**
          * @returns {undefined}
          */
         setAll: function setAll() {
           var flyouts = {};
-
           $$b.each(toolButtons, function (i, opts) {
             // Bind function to button
-            var btn = void 0;
+            var btn;
+
             if (opts.sel) {
               btn = $$b(opts.sel);
+
               if (!btn.length) {
                 return true;
               } // Skip if markup does not exist
+
+
               if (opts.evt) {
                 if (isTouch() && opts.evt === 'click') {
                   opts.evt = 'mousedown';
                 }
-                btn[opts.evt](opts.fn);
-              }
 
-              // Add to parent flyout menu, if able to be displayed
+                btn[opts.evt](opts.fn);
+              } // Add to parent flyout menu, if able to be displayed
+
+
               if (opts.parent && $$b(opts.parent + '_show').length) {
                 var fH = $$b(opts.parent);
+
                 if (!fH.length) {
                   fH = makeFlyoutHolder(opts.parent.substr(1));
                 }
+
                 if (opts.prepend) {
                   btn[0].style.margin = 'initial';
                 }
+
                 fH[opts.prepend ? 'prepend' : 'append'](btn);
 
                 if (!Array.isArray(flyouts[opts.parent])) {
                   flyouts[opts.parent] = [];
                 }
+
                 flyouts[opts.parent].push(opts);
               }
-            }
+            } // Bind function to shortcut key
+
 
-            // Bind function to shortcut key
             if (opts.key) {
               // Set shortcut based on options
-              var keyval = void 0,
-
-              // disInInp = true,
+              var keyval,
+                  // disInInp = true,
               pd = false;
+
               if (Array.isArray(opts.key)) {
                 keyval = opts.key[0];
+
                 if (opts.key.length > 1) {
                   pd = opts.key[1];
-                }
-                // if (opts.key.length > 2) { disInInp = opts.key[2]; }
+                } // if (opts.key.length > 2) { disInInp = opts.key[2]; }
+
               } else {
                 keyval = opts.key;
               }
+
               keyval += '';
-
               var fn = opts.fn;
-
               $$b.each(keyval.split('/'), function (i, key) {
                 $$b(document).bind('keydown', key, function (e) {
                   fn();
+
                   if (pd) {
                     e.preventDefault();
-                  }
-                  // Prevent default on ALL keys?
+                  } // Prevent default on ALL keys?
+
+
                   return false;
                 });
-              });
+              }); // Put shortcut in title
 
-              // Put shortcut in title
               if (opts.sel && !opts.hidekey && btn.attr('title')) {
                 var newTitle = btn.attr('title').split('[')[0] + ' (' + keyval + ')';
-                keyAssocs[keyval] = opts.sel;
-                // Disregard for menu items
+                keyAssocs[keyval] = opts.sel; // Disregard for menu items
+
                 if (!btn.parents('#main_menu').length) {
                   btn.attr('title', newTitle);
                 }
               }
             }
-          });
-
-          // Setup flyouts
-          setupFlyouts(flyouts);
-
-          // Misc additional actions
+          }); // Setup flyouts
 
+          setupFlyouts(flyouts); // Misc additional actions
           // Make 'return' keypress trigger the change event
+
           $$b('.attr_changer, #image_url').bind('keydown', 'return', function (evt) {
             $$b(this).change();
             evt.preventDefault();
           });
-
           $$b(window).bind('keydown', 'tab', function (e) {
             if (uiContext === 'canvas') {
               e.preventDefault();
@@ -30432,7 +33540,6 @@
               selectPrev();
             }
           });
-
           $$b('#tool_zoom').dblclick(dblclickZoom);
         },
 
@@ -30442,25 +33549,29 @@
         setTitles: function setTitles() {
           $$b.each(keyAssocs, function (keyval, sel) {
             var menu = $$b(sel).parents('#main_menu').length;
-
             $$b(sel).each(function () {
-              var t = void 0;
+              var t;
+
               if (menu) {
                 t = $$b(this).text().split(' [')[0];
               } else {
                 t = this.title.split(' [')[0];
               }
-              var keyStr = '';
-              // Shift+Up
+
+              var keyStr = ''; // Shift+Up
+
               $$b.each(keyval.split('/'), function (i, key) {
                 var modBits = key.split('+');
                 var mod = '';
+
                 if (modBits.length > 1) {
                   mod = modBits[0] + '+';
                   key = modBits[1];
                 }
+
                 keyStr += (i ? '/' : '') + mod + (uiStrings$1['key_' + key] || key);
               });
+
               if (menu) {
                 this.lastChild.textContent = t + ' [' + keyStr + ']';
               } else {
@@ -30480,15 +33591,16 @@
           });
         }
       };
-    }();
+    }(); // Select given tool
+
 
-    // Select given tool
     editor.ready(function () {
-      var tool = void 0;
+      var tool;
       var itool = curConfig.initTool,
           container = $$b('#tools_left, #svg_editor .tools_flyout'),
           preTool = container.find('#tool_' + itool),
           regTool = container.find('#' + itool);
+
       if (preTool.length) {
         tool = preTool;
       } else if (regTool.length) {
@@ -30496,6 +33608,7 @@
       } else {
         tool = $$b('#tool_select');
       }
+
       tool.click().mouseup();
 
       if (curConfig.wireframe) {
@@ -30527,19 +33640,57 @@
       if (curConfig.gridColor) {
         $$b('#grid_color').val(curConfig.gridColor);
       }
+    }); // init SpinButtons
+
+    $$b('#rect_rx').SpinButton({
+      min: 0,
+      max: 1000,
+      stateObj: stateObj,
+      callback: changeRectRadius
     });
-
-    // init SpinButtons
-    $$b('#rect_rx').SpinButton({ min: 0, max: 1000, stateObj: stateObj, callback: changeRectRadius });
-    $$b('#stroke_width').SpinButton({ min: 0, max: 99, smallStep: 0.1, stateObj: stateObj, callback: changeStrokeWidth });
-    $$b('#angle').SpinButton({ min: -180, max: 180, step: 5, stateObj: stateObj, callback: changeRotationAngle });
-    $$b('#font_size').SpinButton({ min: 0.001, stepfunc: stepFontSize, stateObj: stateObj, callback: changeFontSize });
-    $$b('#group_opacity').SpinButton({ min: 0, max: 100, step: 5, stateObj: stateObj, callback: changeOpacity });
-    $$b('#blur').SpinButton({ min: 0, max: 10, step: 0.1, stateObj: stateObj, callback: changeBlur });
-    $$b('#zoom').SpinButton({ min: 0.001, max: 10000, step: 50, stepfunc: stepZoom, stateObj: stateObj, callback: changeZoom })
-    // Set default zoom
+    $$b('#stroke_width').SpinButton({
+      min: 0,
+      max: 99,
+      smallStep: 0.1,
+      stateObj: stateObj,
+      callback: changeStrokeWidth
+    });
+    $$b('#angle').SpinButton({
+      min: -180,
+      max: 180,
+      step: 5,
+      stateObj: stateObj,
+      callback: changeRotationAngle
+    });
+    $$b('#font_size').SpinButton({
+      min: 0.001,
+      stepfunc: stepFontSize,
+      stateObj: stateObj,
+      callback: changeFontSize
+    });
+    $$b('#group_opacity').SpinButton({
+      min: 0,
+      max: 100,
+      step: 5,
+      stateObj: stateObj,
+      callback: changeOpacity
+    });
+    $$b('#blur').SpinButton({
+      min: 0,
+      max: 10,
+      step: 0.1,
+      stateObj: stateObj,
+      callback: changeBlur
+    });
+    $$b('#zoom').SpinButton({
+      min: 0.001,
+      max: 10000,
+      step: 50,
+      stepfunc: stepZoom,
+      stateObj: stateObj,
+      callback: changeZoom
+    }) // Set default zoom
     .val(svgCanvas.getZoom() * 100);
-
     $$b('#workarea').contextMenu({
       menu: 'cmenu_canvas',
       inSpeed: 0
@@ -30548,41 +33699,53 @@
         case 'delete':
           deleteSelected();
           break;
+
         case 'cut':
           cutSelected();
           break;
+
         case 'copy':
           copySelected();
           break;
+
         case 'paste':
           svgCanvas.pasteElements();
           break;
+
         case 'paste_in_place':
           svgCanvas.pasteElements('in_place');
           break;
+
         case 'group':
         case 'group_elements':
           svgCanvas.groupSelectedElements();
           break;
+
         case 'ungroup':
           svgCanvas.ungroupSelectedElement();
           break;
+
         case 'move_front':
           moveToTopSelected();
           break;
+
         case 'move_up':
           moveUpDownSelected('Up');
           break;
+
         case 'move_down':
           moveUpDownSelected('Down');
           break;
+
         case 'move_back':
           moveToBottomSelected();
           break;
+
         default:
           if (hasCustomHandler(action)) {
             getCustomHandler(action).call();
           }
+
           break;
       }
     });
@@ -30592,12 +33755,15 @@
         case 'dupe':
           cloneLayer();
           break;
+
         case 'delete':
           deleteLayer();
           break;
+
         case 'merge_down':
           mergeLayer();
           break;
+
         case 'merge_all':
           svgCanvas.mergeAllLayers();
           updateContextPanel();
@@ -30610,29 +33776,28 @@
       menu: 'cmenu_layers',
       inSpeed: 0
     }, lmenuFunc);
-
     $$b('#layer_moreopts').contextMenu({
       menu: 'cmenu_layers',
       inSpeed: 0,
       allowLeft: true
     }, lmenuFunc);
-
     $$b('.contextMenu li').mousedown(function (ev) {
       ev.preventDefault();
     });
-
     $$b('#cmenu_canvas li').disableContextMenu();
     canvMenu.enableContextMenuItems('#delete,#cut,#copy');
 
     function enableOrDisableClipboard() {
-      var svgeditClipboard = void 0;
+      var svgeditClipboard;
+
       try {
         svgeditClipboard = localStorage.getItem('svgedit_clipboard');
       } catch (err) {}
+
       canvMenu[(svgeditClipboard ? 'en' : 'dis') + 'ableContextMenuItems']('#paste,#paste_in_place');
     }
-    enableOrDisableClipboard();
 
+    enableOrDisableClipboard();
     window.addEventListener('storage', function (e) {
       if (e.key !== 'svgedit_clipboard') {
         return;
@@ -30640,41 +33805,44 @@
 
       enableOrDisableClipboard();
     });
-
     window.addEventListener('beforeunload', function (e) {
       // Suppress warning if page is empty
       if (undoMgr.getUndoStackSize() === 0) {
         editor.showSaveWarning = false;
-      }
+      } // showSaveWarning is set to 'false' when the page is saved.
+
 
-      // showSaveWarning is set to 'false' when the page is saved.
       if (!curConfig.no_save_warning && editor.showSaveWarning) {
         // Browser already asks question about closing the page
         e.returnValue = uiStrings$1.notification.unsavedChanges; // Firefox needs this when beforeunload set by addEventListener (even though message is not used)
+
         return uiStrings$1.notification.unsavedChanges;
       }
     }, false);
-
     /**
     * Expose the uiStrings
     * @function module:SVGEditor.canvas.getUIStrings
     * @returns {module:SVGEditor.uiStrings}
     */
+
     editor.canvas.getUIStrings = function () {
       return uiStrings$1;
     };
-
     /**
     * @callback module:SVGEditor.OpenPrepCallback
     * @param {boolean} noChanges
     * @returns {undefined}
     */
+
     /**
     * @param {module:SVGEditor.OpenPrepCallback} func Confirmation dialog callback
     * @returns {undefined}
     */
+
+
     editor.openPrep = function (func) {
       $$b('#main_menu').hide();
+
       if (undoMgr.getUndoStackSize() === 0) {
         func(true);
       } else {
@@ -30684,8 +33852,7 @@
 
     function onDragEnter(e) {
       e.stopPropagation();
-      e.preventDefault();
-      // and indicator should be displayed here, such as "drop files here"
+      e.preventDefault(); // and indicator should be displayed here, such as "drop files here"
     }
 
     function onDragOver(e) {
@@ -30695,13 +33862,13 @@
 
     function onDragLeave(e) {
       e.stopPropagation();
-      e.preventDefault();
-      // hypothetical indicator should be removed here
-    }
-    // Use HTML5 File API: http://www.w3.org/TR/FileAPI/
+      e.preventDefault(); // hypothetical indicator should be removed here
+    } // Use HTML5 File API: http://www.w3.org/TR/FileAPI/
     // if browser has HTML5 File API support, then we will show the open menu item
     // and provide a file input to click. When that change event fires, it will
     // get the text contents of the file and send it to the canvas
+
+
     if (window.FileReader) {
       var importImage = function importImage(e) {
         $$b.process_cancel(uiStrings$1.notification.loadingImage);
@@ -30710,6 +33877,7 @@
         $$b('#workarea').removeAttr('style');
         $$b('#main_menu').hide();
         var file = e.type === 'drop' ? e.dataTransfer.files[0] : this.files[0];
+
         if (!file) {
           $$b('#dialog_box').hide();
           return;
@@ -30717,29 +33885,35 @@
         /* if (file.type === 'application/pdf') { // Todo: Handle PDF imports
          }
         else */
+
+
         if (file.type.includes('image')) {
           // Detected an image
           // svg handling
-          var reader = void 0;
+          var reader;
+
           if (file.type.includes('svg')) {
             reader = new FileReader();
+
             reader.onloadend = function (e) {
               var newElement = svgCanvas.importSvgString(e.target.result, true);
               svgCanvas.ungroupSelectedElement();
               svgCanvas.ungroupSelectedElement();
               svgCanvas.groupSelectedElements();
               svgCanvas.alignSelectedElements('m', 'page');
-              svgCanvas.alignSelectedElements('c', 'page');
-              // highlight imported element, otherwise we get strange empty selectbox
+              svgCanvas.alignSelectedElements('c', 'page'); // highlight imported element, otherwise we get strange empty selectbox
+
               svgCanvas.selectOnly([newElement]);
               $$b('#dialog_box').hide();
             };
+
             reader.readAsText(file);
           } else {
             // bitmap handling
             reader = new FileReader();
-            reader.onloadend = function (_ref16) {
-              var result = _ref16.target.result;
+
+            reader.onloadend = function (_ref17) {
+              var result = _ref17.target.result;
 
               // let's insert the new image until we know its dimensions
               var insertNewImage = function insertNewImage(width, height) {
@@ -30760,19 +33934,23 @@
                 svgCanvas.alignSelectedElements('c', 'page');
                 updateContextPanel();
                 $$b('#dialog_box').hide();
-              };
-              // create dummy img so we know the default dimensions
+              }; // create dummy img so we know the default dimensions
+
+
               var imgWidth = 100;
               var imgHeight = 100;
               var img = new Image();
               img.style.opacity = 0;
+
               img.onload = function () {
                 imgWidth = img.offsetWidth || img.naturalWidth || img.width;
                 imgHeight = img.offsetHeight || img.naturalHeight || img.height;
                 insertNewImage(imgWidth, imgHeight);
               };
+
               img.src = result;
             };
+
             reader.readAsDataURL(file);
           }
         }
@@ -30782,35 +33960,35 @@
       workarea[0].addEventListener('dragover', onDragOver, false);
       workarea[0].addEventListener('dragleave', onDragLeave, false);
       workarea[0].addEventListener('drop', importImage, false);
-
       var open = $$b('<input type="file">').click(function () {
         var f = this;
         editor.openPrep(function (ok) {
           if (!ok) {
             return;
           }
+
           svgCanvas.clear();
+
           if (f.files.length === 1) {
             $$b.process_cancel(uiStrings$1.notification.loadingImage);
             var reader = new FileReader();
+
             reader.onloadend = function (e) {
               loadSvgString(e.target.result);
               updateCanvas();
             };
+
             reader.readAsText(f.files[0]);
           }
         });
       });
       $$b('#tool_open').show().prepend(open);
-
       var imgImport = $$b('<input type="file">').change(importImage);
       $$b('#tool_import').show().prepend(imgImport);
-    }
+    } // $(function () {
 
-    // $(function () {
-    updateCanvas(true);
-    // });
 
+    updateCanvas(true); // });
     //  const revnums = 'svg-editor.js ($Rev$) ';
     //  revnums += svgCanvas.getVersion();
     //  $('#copyright')[0].setAttribute('title', revnums);
@@ -30823,63 +34001,72 @@
     * @fires module:svgcanvas.SvgCanvas#event:ext-langChanged
     * @returns {undefined}
     */
+
     var setLang = editor.setLang = function (lang, allStrings) {
       editor.langChanged = true;
       $$b.pref('lang', lang);
       $$b('#lang_select').val(lang);
+
       if (!allStrings) {
         return;
       }
-      $$b.extend(uiStrings$1, allStrings);
 
-      // const notif = allStrings.notification; // Currently unused
+      $$b.extend(uiStrings$1, allStrings); // const notif = allStrings.notification; // Currently unused
       // $.extend will only replace the given strings
+
       var oldLayerName = $$b('#layerlist tr.layersel td.layername').text();
       var renameLayer = oldLayerName === uiStrings$1.common.layer + ' 1';
-
       svgCanvas.setUiStrings(allStrings);
       Actions.setTitles();
 
       if (renameLayer) {
         svgCanvas.renameCurrentLayer(uiStrings$1.common.layer + ' 1');
         populateLayers();
-      }
+      } // In case extensions loaded before the locale, now we execute a callback on them
+
 
-      // In case extensions loaded before the locale, now we execute a callback on them
       if (extsPreLang.length) {
         while (extsPreLang.length) {
           var ext = extsPreLang.shift();
           ext.langReady({
             lang: lang,
             uiStrings: uiStrings$1,
-            importLocale: getImportLocale({ defaultLang: lang, defaultName: ext.name })
+            importLocale: getImportLocale({
+              defaultLang: lang,
+              defaultName: ext.name
+            })
           });
         }
       } else {
-        svgCanvas.runExtensions('langReady', /** @type {module:svgcanvas.SvgCanvas#event:ext-langReady} */{ lang: lang, uiStrings: uiStrings$1 });
+        svgCanvas.runExtensions('langReady',
+        /** @type {module:svgcanvas.SvgCanvas#event:ext-langReady} */
+        {
+          lang: lang,
+          uiStrings: uiStrings$1
+        });
       }
-      svgCanvas.runExtensions('langChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-langChanged} */lang);
 
-      // Update flyout tooltips
-      setFlyoutTitles();
+      svgCanvas.runExtensions('langChanged',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-langChanged} */
+      lang); // Update flyout tooltips
+
+      setFlyoutTitles(); // Copy title for certain tool elements
 
-      // Copy title for certain tool elements
       var elems = {
         '#stroke_color': '#tool_stroke .icon_label, #tool_stroke .color_block',
         '#fill_color': '#tool_fill label, #tool_fill .color_block',
         '#linejoin_miter': '#cur_linejoin',
         '#linecap_butt': '#cur_linecap'
       };
-
       $$b.each(elems, function (source, dest) {
         $$b(dest).attr('title', $$b(source)[0].title);
-      });
+      }); // Copy alignment titles
 
-      // Copy alignment titles
       $$b('#multiselected_panel div[id^=tool_align]').each(function () {
         $$b('#tool_pos' + this.id.substr(10))[0].title = this.title;
       });
     };
+
     init$7(
     /**
     * @implements {module:locale.LocaleEditorInit}
@@ -30907,15 +34094,17 @@
           // We pass in a function as we don't know the extension name here when defining this `addLangData` method
           return {
             lang: langParam,
-            importLocale: getImportLocale({ defaultLang: langParam, defaultName: name })
+            importLocale: getImportLocale({
+              defaultLang: langParam,
+              defaultName: name
+            })
           };
         }, true);
       },
-
       curConfig: curConfig
-    });
-    // Load extensions
+    }); // Load extensions
     // Bit of a hack to run extensions in local Opera/IE9
+
     if (document.location.protocol === 'file:') {
       setTimeout(extAndLocaleFunc, 100);
     } else {
@@ -30923,11 +34112,11 @@
       extAndLocaleFunc();
     }
   };
-
   /**
   * @callback module:SVGEditor.ReadyCallback
   * @returns {undefined}
   */
+
   /**
   * Queues a callback to be invoked when the editor is ready (or
   *   to be invoked immediately if it is already ready--i.e.,
@@ -30935,6 +34124,8 @@
   * @param {module:SVGEditor.ReadyCallback} cb Callback to be queued to invoke
   * @returns {undefined}
   */
+
+
   editor.ready = function (cb) {
     if (!isReady) {
       callbacks.push(cb);
@@ -30942,45 +34133,47 @@
       cb();
     }
   };
-
   /**
   * Invokes the callbacks previous set by `svgEditor.ready`
   * @returns {undefined}
   */
+
+
   editor.runCallbacks = function () {
     callbacks.forEach(function (cb) {
       cb();
     });
     isReady = true;
   };
-
   /**
   * @param {string} str The SVG string to load
   * @returns {undefined}
   */
+
+
   editor.loadFromString = function (str) {
     editor.ready(function () {
       loadSvgString(str);
     });
   };
-
   /**
   * Not presently in use
   * @param {PlainObject} featList
   * @returns {undefined}
   */
-  editor.disableUI = function (featList) {
-    // $(function () {
+
+
+  editor.disableUI = function (featList) {// $(function () {
     //   $('#tool_wireframe, #tool_image, #main_button, #tool_source, #sidepanels').remove();
     //   $('#tools_top').css('left', 5);
     // });
   };
-
   /**
    * @callback module:SVGEditor.URLLoadCallback
    * @param {boolean} success
    * @returns {undefined}
    */
+
   /**
   * @param {string} url URL from which to load an SVG string via Ajax
   * @param {PlainObject} [opts] May contain properties: `cache`, `callback`
@@ -30988,6 +34181,8 @@
   * @param {module:SVGEditor.URLLoadCallback} opts.callback Invoked with `true` or `false` depending on success
   * @returns {undefined}
   */
+
+
   editor.loadFromURL = function (url, opts) {
     if (!opts) {
       opts = {};
@@ -30996,8 +34191,6 @@
     var _opts = opts,
         cache = _opts.cache,
         cb = _opts.callback;
-
-
     editor.ready(function () {
       $$b.ajax({
         url: url,
@@ -31022,28 +34215,31 @@
       });
     });
   };
-
   /**
   * @param {string} str The Data URI to base64-decode (if relevant) and load
   * @returns {undefined}
   */
+
+
   editor.loadFromDataURI = function (str) {
     editor.ready(function () {
       var base64 = false;
       var pre = str.match(/^data:image\/svg\+xml;base64,/);
+
       if (pre) {
         base64 = true;
       } else {
         pre = str.match(/^data:image\/svg\+xml(?:;(?:utf8)?)?,/);
       }
+
       if (pre) {
         pre = pre[0];
       }
+
       var src = str.slice(pre.length);
       loadSvgString(base64 ? decode64(src) : decodeURIComponent(src));
     });
   };
-
   /**
    * @param {string} name Used internally; no need for i18n.
    * @param {module:svgcanvas.ExtensionInitCallback} init Config to be invoked on this module
@@ -31051,6 +34247,8 @@
    * @throws {Error} If called too early
    * @returns {Promise} Resolves to `undefined`
   */
+
+
   editor.addExtension = function (name, init$$1, importLocale) {
     // Note that we don't want this on editor.ready since some extensions
     // may want to run before then (like server_opensave).
@@ -31058,16 +34256,15 @@
     if (!svgCanvas) {
       throw new Error('Extension added too early');
     }
-    return svgCanvas.addExtension.call(this, name, init$$1, importLocale);
-    // });
-  };
 
-  // Defer injection to wait out initial menu processing. This probably goes
+    return svgCanvas.addExtension.call(this, name, init$$1, importLocale); // });
+  }; // Defer injection to wait out initial menu processing. This probably goes
   //    away once all context menu behavior is brought to context menu.
+
+
   editor.ready(function () {
     injectExtendedContextMenuItemsIntoDom();
   });
-
   var extensionsAdded = false;
   var messageQueue = [];
   /**
@@ -31076,12 +34273,16 @@
    * @fires module:svgcanvas.SvgCanvas#event:message
    * @returns {undefined}
    */
-  var messageListener = function messageListener(_ref17) {
-    var data = _ref17.data,
-        origin = _ref17.origin;
 
+  var messageListener = function messageListener(_ref18) {
+    var data = _ref18.data,
+        origin = _ref18.origin;
     // console.log('data, origin, extensionsAdded', data, origin, extensionsAdded);
-    var messageObj = { data: data, origin: origin };
+    var messageObj = {
+      data: data,
+      origin: origin
+    };
+
     if (!extensionsAdded) {
       messageQueue.push(messageObj);
     } else {
@@ -31090,10 +34291,10 @@
       svgCanvas.call('message', messageObj);
     }
   };
-  window.addEventListener('message', messageListener);
 
-  // Run init once DOM is loaded
+  window.addEventListener('message', messageListener); // Run init once DOM is loaded
   // jQuery(editor.init);
+
   Promise.resolve().then(function () {
     // We wait a micro-task to let the svgEditor variable be defined for module checks
     editor.init();
@@ -31101,9 +34302,9 @@
 
   window.svgEditor = editor;
   window.svgEditor.modules = false;
-
   editor.setConfig({
-    canvasName: 'xdomain', // Namespace this
+    canvasName: 'xdomain',
+    // Namespace this
     allowedOrigins: ['*']
   });
 
diff --git a/package-lock.json b/package-lock.json
index f1f4b0a8..126ae5b0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,266 @@
         "@babel/highlight": "^7.0.0"
       }
     },
+    "@babel/core": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.1.0.tgz",
+      "integrity": "sha512-9EWmD0cQAbcXSc+31RIoYgEHx3KQ2CCSMDBhnXrShWvo45TMw+3/55KVxlhkG53kw9tl87DqINgHDgFVhZJV/Q==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/generator": "^7.0.0",
+        "@babel/helpers": "^7.1.0",
+        "@babel/parser": "^7.1.0",
+        "@babel/template": "^7.1.0",
+        "@babel/traverse": "^7.1.0",
+        "@babel/types": "^7.0.0",
+        "convert-source-map": "^1.1.0",
+        "debug": "^3.1.0",
+        "json5": "^0.5.0",
+        "lodash": "^4.17.10",
+        "resolve": "^1.3.2",
+        "semver": "^5.4.1",
+        "source-map": "^0.5.0"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        }
+      }
+    },
+    "@babel/generator": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.0.0.tgz",
+      "integrity": "sha512-/BM2vupkpbZXq22l1ALO7MqXJZH2k8bKVv8Y+pABFnzWdztDB/ZLveP5At21vLz5c2YtSE6p7j2FZEsqafMz5Q==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.0.0",
+        "jsesc": "^2.5.1",
+        "lodash": "^4.17.10",
+        "source-map": "^0.5.0",
+        "trim-right": "^1.0.1"
+      },
+      "dependencies": {
+        "jsesc": {
+          "version": "2.5.1",
+          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-2.5.1.tgz",
+          "integrity": "sha1-5CGiqOINawgZ3yiQj3glJrlt0f4=",
+          "dev": true
+        },
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        }
+      }
+    },
+    "@babel/helper-annotate-as-pure": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.0.0.tgz",
+      "integrity": "sha512-3UYcJUj9kvSLbLbUIfQTqzcy5VX7GRZ/CCDrnOaZorFFM01aXp1+GJwuFGV4NDDoAS+mOUyHcO6UD/RfqOks3Q==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-builder-binary-assignment-operator-visitor": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-builder-binary-assignment-operator-visitor/-/helper-builder-binary-assignment-operator-visitor-7.1.0.tgz",
+      "integrity": "sha512-qNSR4jrmJ8M1VMM9tibvyRAHXQs2PmaksQF7c1CGJNipfe3D8p+wgNwgso/P2A2r2mdgBWAXljNWR0QRZAMW8w==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-explode-assignable-expression": "^7.1.0",
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-call-delegate": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-call-delegate/-/helper-call-delegate-7.1.0.tgz",
+      "integrity": "sha512-YEtYZrw3GUK6emQHKthltKNZwszBcHK58Ygcis+gVUrF4/FmTVr5CCqQNSfmvg2y+YDEANyYoaLz/SHsnusCwQ==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-hoist-variables": "^7.0.0",
+        "@babel/traverse": "^7.1.0",
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-define-map": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-define-map/-/helper-define-map-7.1.0.tgz",
+      "integrity": "sha512-yPPcW8dc3gZLN+U1mhYV91QU3n5uTbx7DUdf8NnPbjS0RMwBuHi9Xt2MUgppmNz7CJxTBWsGczTiEp1CSOTPRg==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-function-name": "^7.1.0",
+        "@babel/types": "^7.0.0",
+        "lodash": "^4.17.10"
+      }
+    },
+    "@babel/helper-explode-assignable-expression": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-explode-assignable-expression/-/helper-explode-assignable-expression-7.1.0.tgz",
+      "integrity": "sha512-NRQpfHrJ1msCHtKjbzs9YcMmJZOg6mQMmGRB+hbamEdG5PNpaSm95275VD92DvJKuyl0s2sFiDmMZ+EnnvufqA==",
+      "dev": true,
+      "requires": {
+        "@babel/traverse": "^7.1.0",
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-function-name": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.1.0.tgz",
+      "integrity": "sha512-A95XEoCpb3TO+KZzJ4S/5uW5fNe26DjBGqf1o9ucyLyCmi1dXq/B3c8iaWTfBk3VvetUxl16e8tIrd5teOCfGw==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-get-function-arity": "^7.0.0",
+        "@babel/template": "^7.1.0",
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-get-function-arity": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0.tgz",
+      "integrity": "sha512-r2DbJeg4svYvt3HOS74U4eWKsUAMRH01Z1ds1zx8KNTPtpTL5JAsdFv8BNyOpVqdFhHkkRDIg5B4AsxmkjAlmQ==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-hoist-variables": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-hoist-variables/-/helper-hoist-variables-7.0.0.tgz",
+      "integrity": "sha512-Ggv5sldXUeSKsuzLkddtyhyHe2YantsxWKNi7A+7LeD12ExRDWTRk29JCXpaHPAbMaIPZSil7n+lq78WY2VY7w==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-member-expression-to-functions": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.0.0.tgz",
+      "integrity": "sha512-avo+lm/QmZlv27Zsi0xEor2fKcqWG56D5ae9dzklpIaY7cQMK5N8VSpaNVPPagiqmy7LrEjK1IWdGMOqPu5csg==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-module-imports": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-module-imports/-/helper-module-imports-7.0.0.tgz",
+      "integrity": "sha512-aP/hlLq01DWNEiDg4Jn23i+CXxW/owM4WpDLFUbpjxe4NS3BhLVZQ5i7E0ZrxuQ/vwekIeciyamgB1UIYxxM6A==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-module-transforms": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-module-transforms/-/helper-module-transforms-7.1.0.tgz",
+      "integrity": "sha512-0JZRd2yhawo79Rcm4w0LwSMILFmFXjugG3yqf+P/UsKsRS1mJCmMwwlHDlMg7Avr9LrvSpp4ZSULO9r8jpCzcw==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-module-imports": "^7.0.0",
+        "@babel/helper-simple-access": "^7.1.0",
+        "@babel/helper-split-export-declaration": "^7.0.0",
+        "@babel/template": "^7.1.0",
+        "@babel/types": "^7.0.0",
+        "lodash": "^4.17.10"
+      }
+    },
+    "@babel/helper-optimise-call-expression": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.0.0.tgz",
+      "integrity": "sha512-u8nd9NQePYNQV8iPWu/pLLYBqZBa4ZaY1YWRFMuxrid94wKI1QNt67NEZ7GAe5Kc/0LLScbim05xZFWkAdrj9g==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-plugin-utils": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-plugin-utils/-/helper-plugin-utils-7.0.0.tgz",
+      "integrity": "sha512-CYAOUCARwExnEixLdB6sDm2dIJ/YgEAKDM1MOeMeZu9Ld/bDgVo8aiWrXwcY7OBh+1Ea2uUcVRcxKk0GJvW7QA==",
+      "dev": true
+    },
+    "@babel/helper-regex": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-regex/-/helper-regex-7.0.0.tgz",
+      "integrity": "sha512-TR0/N0NDCcUIUEbqV6dCO+LptmmSQFQ7q70lfcEB4URsjD0E1HzicrwUH+ap6BAQ2jhCX9Q4UqZy4wilujWlkg==",
+      "dev": true,
+      "requires": {
+        "lodash": "^4.17.10"
+      }
+    },
+    "@babel/helper-remap-async-to-generator": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-remap-async-to-generator/-/helper-remap-async-to-generator-7.1.0.tgz",
+      "integrity": "sha512-3fOK0L+Fdlg8S5al8u/hWE6vhufGSn0bN09xm2LXMy//REAF8kDCrYoOBKYmA8m5Nom+sV9LyLCwrFynA8/slg==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-annotate-as-pure": "^7.0.0",
+        "@babel/helper-wrap-function": "^7.1.0",
+        "@babel/template": "^7.1.0",
+        "@babel/traverse": "^7.1.0",
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-replace-supers": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-replace-supers/-/helper-replace-supers-7.1.0.tgz",
+      "integrity": "sha512-BvcDWYZRWVuDeXTYZWxekQNO5D4kO55aArwZOTFXw6rlLQA8ZaDicJR1sO47h+HrnCiDFiww0fSPV0d713KBGQ==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-member-expression-to-functions": "^7.0.0",
+        "@babel/helper-optimise-call-expression": "^7.0.0",
+        "@babel/traverse": "^7.1.0",
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-simple-access": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-simple-access/-/helper-simple-access-7.1.0.tgz",
+      "integrity": "sha512-Vk+78hNjRbsiu49zAPALxTb+JUQCz1aolpd8osOF16BGnLtseD21nbHgLPGUwrXEurZgiCOUmvs3ExTu4F5x6w==",
+      "dev": true,
+      "requires": {
+        "@babel/template": "^7.1.0",
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-split-export-declaration": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0.tgz",
+      "integrity": "sha512-MXkOJqva62dfC0w85mEf/LucPPS/1+04nmmRMPEBUB++hiiThQ2zPtX/mEWQ3mtzCEjIJvPY8nuwxXtQeQwUag==",
+      "dev": true,
+      "requires": {
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helper-wrap-function": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-wrap-function/-/helper-wrap-function-7.1.0.tgz",
+      "integrity": "sha512-R6HU3dete+rwsdAfrOzTlE9Mcpk4RjU3aX3gi9grtmugQY0u79X7eogUvfXA5sI81Mfq1cn6AgxihfN33STjJA==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-function-name": "^7.1.0",
+        "@babel/template": "^7.1.0",
+        "@babel/traverse": "^7.1.0",
+        "@babel/types": "^7.0.0"
+      }
+    },
+    "@babel/helpers": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/helpers/-/helpers-7.1.0.tgz",
+      "integrity": "sha512-V1jXUTNdTpBn37wqqN73U+eBpzlLHmxA4aDaghJBggmzly/FpIJMHXse9lgdzQQT4gs5jZ5NmYxOL8G3ROc29g==",
+      "dev": true,
+      "requires": {
+        "@babel/template": "^7.1.0",
+        "@babel/traverse": "^7.1.0",
+        "@babel/types": "^7.0.0"
+      }
+    },
     "@babel/highlight": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0.tgz",
@@ -32,6 +292,475 @@
         }
       }
     },
+    "@babel/parser": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.1.0.tgz",
+      "integrity": "sha512-SmjnXCuPAlai75AFtzv+KCBcJ3sDDWbIn+WytKw1k+wAtEy6phqI2RqKh/zAnw53i1NR8su3Ep/UoqaKcimuLg==",
+      "dev": true
+    },
+    "@babel/plugin-proposal-async-generator-functions": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.1.0.tgz",
+      "integrity": "sha512-Fq803F3Jcxo20MXUSDdmZZXrPe6BWyGcWBPPNB/M7WaUYESKDeKMOGIxEzQOjGSmW/NWb6UaPZrtTB2ekhB/ew==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-plugin-utils": "^7.0.0",
+        "@babel/helper-remap-async-to-generator": "^7.1.0",
+        "@babel/plugin-syntax-async-generators": "^7.0.0"
+      }
+    },
+    "@babel/plugin-proposal-json-strings": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-json-strings/-/plugin-proposal-json-strings-7.0.0.tgz",
+      "integrity": "sha512-kfVdUkIAGJIVmHmtS/40i/fg/AGnw/rsZBCaapY5yjeO5RA9m165Xbw9KMOu2nqXP5dTFjEjHdfNdoVcHv133Q==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-plugin-utils": "^7.0.0",
+        "@babel/plugin-syntax-json-strings": "^7.0.0"
+      }
+    },
+    "@babel/plugin-proposal-object-rest-spread": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.0.0.tgz",
+      "integrity": "sha512-14fhfoPcNu7itSen7Py1iGN0gEm87hX/B+8nZPqkdmANyyYWYMY2pjA3r8WXbWVKMzfnSNS0xY8GVS0IjXi/iw==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-plugin-utils": "^7.0.0",
+        "@babel/plugin-syntax-object-rest-spread": "^7.0.0"
+      }
+    },
+    "@babel/plugin-proposal-optional-catch-binding": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-optional-catch-binding/-/plugin-proposal-optional-catch-binding-7.0.0.tgz",
+      "integrity": "sha512-JPqAvLG1s13B/AuoBjdBYvn38RqW6n1TzrQO839/sIpqLpbnXKacsAgpZHzLD83Sm8SDXMkkrAvEnJ25+0yIpw==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-plugin-utils": "^7.0.0",
+        "@babel/plugin-syntax-optional-catch-binding": "^7.0.0"
+      }
+    },
+    "@babel/plugin-proposal-unicode-property-regex": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-unicode-property-regex/-/plugin-proposal-unicode-property-regex-7.0.0.tgz",
+      "integrity": "sha512-tM3icA6GhC3ch2SkmSxv7J/hCWKISzwycub6eGsDrFDgukD4dZ/I+x81XgW0YslS6mzNuQ1Cbzh5osjIMgepPQ==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-plugin-utils": "^7.0.0",
+        "@babel/helper-regex": "^7.0.0",
+        "regexpu-core": "^4.2.0"
+      }
+    },
+    "@babel/plugin-syntax-async-generators": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-async-generators/-/plugin-syntax-async-generators-7.0.0.tgz",
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+      "dev": true,
+      "requires": {
+        "@babel/helper-plugin-utils": "^7.0.0"
+      }
+    },
+    "@babel/plugin-syntax-json-strings": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-json-strings/-/plugin-syntax-json-strings-7.0.0.tgz",
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+      "dev": true,
+      "requires": {
+        "@babel/helper-plugin-utils": "^7.0.0"
+      }
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+    "@babel/plugin-syntax-object-rest-spread": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-object-rest-spread/-/plugin-syntax-object-rest-spread-7.0.0.tgz",
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+      "dev": true,
+      "requires": {
+        "@babel/helper-plugin-utils": "^7.0.0"
+      }
+    },
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-      "integrity": "sha1-mGbfOVECEw449/mWvOtlRDIJwls=",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
+      "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==",
       "dev": true
     },
     "js-yaml": {
@@ -4322,9 +4300,9 @@
       }
     },
     "jsesc": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-1.3.0.tgz",
-      "integrity": "sha1-RsP+yMGJKxKwgz25vHYiF226s0s=",
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
+      "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=",
       "dev": true
     },
     "json-schema": {
@@ -4671,12 +4649,12 @@
       "dev": true
     },
     "loose-envify": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.3.1.tgz",
-      "integrity": "sha1-0aitM/qc4OcT1l/dCsi3SNR4yEg=",
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
+      "integrity": "sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==",
       "dev": true,
       "requires": {
-        "js-tokens": "^3.0.0"
+        "js-tokens": "^3.0.0 || ^4.0.0"
       }
     },
     "loud-rejection": {
@@ -5051,6 +5029,15 @@
       "integrity": "sha1-h6kGXNs1XTGC2PlM4RGIuCXGijs=",
       "dev": true
     },
+    "node-releases": {
+      "version": "1.0.0-alpha.12",
+      "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.0.0-alpha.12.tgz",
+      "integrity": "sha512-VPB4rTPqpVyWKBHbSa4YPFme3+8WHsOSpvbp0Mfj0bWsC8TEjt4HQrLl1hsBDELlp1nB4lflSgSuGTYiuyaP7Q==",
+      "dev": true,
+      "requires": {
+        "semver": "^5.3.0"
+      }
+    },
     "node-static": {
       "version": "0.7.11",
       "resolved": "https://registry.npmjs.org/node-static/-/node-static-0.7.11.tgz",
@@ -5265,12 +5252,6 @@
         "wordwrap": "~1.0.0"
       }
     },
-    "os-homedir": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
-      "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M=",
-      "dev": true
-    },
     "os-tmpdir": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
@@ -5597,9 +5578,8 @@
       "dev": true
     },
     "qr-manipulation": {
-      "version": "0.7.0",
-      "resolved": "https://registry.npmjs.org/qr-manipulation/-/qr-manipulation-0.7.0.tgz",
-      "integrity": "sha512-eSRJ38xLbdcHAEWLKX91OaUVzUuqPGCdnyPu2AjNMRr6OEpxVrvVpCEmaOQN2QZ0zhgA77NxMWLS51W2P+7DxQ==",
+      "version": "git+https://github.com/brettz9/qr-manipulation.git#e91957ae7e31816c05af59dab9d1e9223d638319",
+      "from": "git+https://github.com/brettz9/qr-manipulation.git",
       "dev": true
     },
     "qs": {
@@ -5746,20 +5726,27 @@
       "integrity": "sha512-1G6jJVDWrt0rK99kBjvEtziZNCICAuvIPkSiUFIQxVP06RCVpq3dmDo2oi6ABpYaDYaTRr67BEhL8r1wgEZZKg==",
       "dev": true
     },
+    "regenerate-unicode-properties": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/regenerate-unicode-properties/-/regenerate-unicode-properties-7.0.0.tgz",
+      "integrity": "sha512-s5NGghCE4itSlUS+0WUj88G6cfMVMmH8boTPNvABf8od+2dhT9WDlWu8n01raQAJZMOK8Ch6jSexaRO7swd6aw==",
+      "dev": true,
+      "requires": {
+        "regenerate": "^1.4.0"
+      }
+    },
     "regenerator-runtime": {
-      "version": "0.10.5",
-      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz",
-      "integrity": "sha1-M2w+/BIgrc7dosn6tntaeVWjNlg=",
+      "version": "0.11.1",
+      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz",
+      "integrity": "sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==",
       "dev": true
     },
     "regenerator-transform": {
-      "version": "0.10.1",
-      "resolved": "https://registry.npmjs.org/regenerator-transform/-/regenerator-transform-0.10.1.tgz",
-      "integrity": "sha512-PJepbvDbuK1xgIgnau7Y90cwaAmO/LCLMI2mPvaXq2heGMR3aWW5/BQvYrhJ8jgmQjXewXvBjzfqKcVOmhjZ6Q==",
+      "version": "0.13.3",
+      "resolved": "https://registry.npmjs.org/regenerator-transform/-/regenerator-transform-0.13.3.tgz",
+      "integrity": "sha512-5ipTrZFSq5vU2YoGoww4uaRVAK4wyYC4TSICibbfEPOruUu8FFP7ErV0BjmbIOEpn3O/k9na9UEdYR/3m7N6uA==",
       "dev": true,
       "requires": {
-        "babel-runtime": "^6.18.0",
-        "babel-types": "^6.19.0",
         "private": "^0.1.6"
       }
     },
@@ -5789,37 +5776,32 @@
       "dev": true
     },
     "regexpu-core": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/regexpu-core/-/regexpu-core-2.0.0.tgz",
-      "integrity": "sha1-SdA4g3uNz4v6W5pCE5k45uoq4kA=",
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/regexpu-core/-/regexpu-core-4.2.0.tgz",
+      "integrity": "sha512-Z835VSnJJ46CNBttalHD/dB+Sj2ezmY6Xp38npwU87peK6mqOzOpV8eYktdkLTEkzzD+JsTcxd84ozd8I14+rw==",
       "dev": true,
       "requires": {
-        "regenerate": "^1.2.1",
-        "regjsgen": "^0.2.0",
-        "regjsparser": "^0.1.4"
+        "regenerate": "^1.4.0",
+        "regenerate-unicode-properties": "^7.0.0",
+        "regjsgen": "^0.4.0",
+        "regjsparser": "^0.3.0",
+        "unicode-match-property-ecmascript": "^1.0.4",
+        "unicode-match-property-value-ecmascript": "^1.0.2"
       }
     },
     "regjsgen": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/regjsgen/-/regjsgen-0.2.0.tgz",
-      "integrity": "sha1-bAFq3qxVT3WCP+N6wFuS1aTtsfc=",
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/regjsgen/-/regjsgen-0.4.0.tgz",
+      "integrity": "sha512-X51Lte1gCYUdlwhF28+2YMO0U6WeN0GLpgpA7LK7mbdDnkQYiwvEpmpe0F/cv5L14EbxgrdayAG3JETBv0dbXA==",
       "dev": true
     },
     "regjsparser": {
-      "version": "0.1.5",
-      "resolved": "https://registry.npmjs.org/regjsparser/-/regjsparser-0.1.5.tgz",
-      "integrity": "sha1-fuj4Tcb6eS0/0K4ijSS9lJ6tIFw=",
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/regjsparser/-/regjsparser-0.3.0.tgz",
+      "integrity": "sha512-zza72oZBBHzt64G7DxdqrOo/30bhHkwMUoT0WqfGu98XLd7N+1tsy5MJ96Bk4MD0y74n629RhmrGW6XlnLLwCA==",
       "dev": true,
       "requires": {
         "jsesc": "~0.5.0"
-      },
-      "dependencies": {
-        "jsesc": {
-          "version": "0.5.0",
-          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
-          "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=",
-          "dev": true
-        }
       }
     },
     "remove-trailing-separator": {
@@ -6009,30 +5991,13 @@
       }
     },
     "rollup-plugin-babel": {
-      "version": "3.0.7",
-      "resolved": "https://registry.npmjs.org/rollup-plugin-babel/-/rollup-plugin-babel-3.0.7.tgz",
-      "integrity": "sha512-bVe2y0z/V5Ax1qU8NX/0idmzIwJPdUGu8Xx3vXH73h0yGjxfv2gkFI82MBVg49SlsFlLTBadBHb67zy4TWM3hA==",
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-babel/-/rollup-plugin-babel-4.0.3.tgz",
+      "integrity": "sha512-/PP0MgbPQyRywI4zRIJim6ySjTcOLo4kQbEbROqp9kOR3kHC3FeU++QpBDZhS2BcHtJTVZMVbBV46flbBN5zxQ==",
       "dev": true,
       "requires": {
-        "rollup-pluginutils": "^1.5.0"
-      },
-      "dependencies": {
-        "estree-walker": {
-          "version": "0.2.1",
-          "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-0.2.1.tgz",
-          "integrity": "sha1-va/oCVOD2EFNXcLs9MkXO225QS4=",
-          "dev": true
-        },
-        "rollup-pluginutils": {
-          "version": "1.5.2",
-          "resolved": "https://registry.npmjs.org/rollup-pluginutils/-/rollup-pluginutils-1.5.2.tgz",
-          "integrity": "sha1-HhVud4+UtyVb+hs9AXi+j1xVJAg=",
-          "dev": true,
-          "requires": {
-            "estree-walker": "^0.2.1",
-            "minimatch": "^3.0.2"
-          }
-        }
+        "@babel/helper-module-imports": "^7.0.0",
+        "rollup-pluginutils": "^2.3.0"
       }
     },
     "rollup-plugin-commonjs": {
@@ -6654,23 +6619,6 @@
         "urix": "^0.1.0"
       }
     },
-    "source-map-support": {
-      "version": "0.4.18",
-      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.4.18.tgz",
-      "integrity": "sha512-try0/JqxPLF9nOjvSta7tVondkP5dwgyLDjVoyMDlmjugT2lRZ1OfsrYTkCd2hkDnJTKRbO/Rl3orm8vlsUzbA==",
-      "dev": true,
-      "requires": {
-        "source-map": "^0.5.6"
-      },
-      "dependencies": {
-        "source-map": {
-          "version": "0.5.7",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
-          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
-          "dev": true
-        }
-      }
-    },
     "source-map-url": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/source-map-url/-/source-map-url-0.4.0.tgz",
@@ -6845,12 +6793,6 @@
       "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo=",
       "dev": true
     },
-    "supports-color": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-      "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-      "dev": true
-    },
     "symbol-tree": {
       "version": "3.2.2",
       "resolved": "https://registry.npmjs.org/symbol-tree/-/symbol-tree-3.2.2.tgz",
@@ -6947,12 +6889,6 @@
       "integrity": "sha1-I2QN17QtAEM5ERQIIOXPRA5SHdE=",
       "dev": true
     },
-    "to-fast-properties": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-1.0.3.tgz",
-      "integrity": "sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=",
-      "dev": true
-    },
     "to-object-path": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/to-object-path/-/to-object-path-0.3.0.tgz",
@@ -7112,6 +7048,34 @@
         }
       }
     },
+    "unicode-canonical-property-names-ecmascript": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-1.0.4.tgz",
+      "integrity": "sha512-jDrNnXWHd4oHiTZnx/ZG7gtUTVp+gCcTTKr8L0HjlwphROEW3+Him+IpvC+xcJEFegapiMZyZe02CyuOnRmbnQ==",
+      "dev": true
+    },
+    "unicode-match-property-ecmascript": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/unicode-match-property-ecmascript/-/unicode-match-property-ecmascript-1.0.4.tgz",
+      "integrity": "sha512-L4Qoh15vTfntsn4P1zqnHulG0LdXgjSO035fEpdtp6YxXhMT51Q6vgM5lYdG/5X3MjS+k/Y9Xw4SFCY9IkR0rg==",
+      "dev": true,
+      "requires": {
+        "unicode-canonical-property-names-ecmascript": "^1.0.4",
+        "unicode-property-aliases-ecmascript": "^1.0.4"
+      }
+    },
+    "unicode-match-property-value-ecmascript": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/unicode-match-property-value-ecmascript/-/unicode-match-property-value-ecmascript-1.0.2.tgz",
+      "integrity": "sha512-Rx7yODZC1L/T8XKo/2kNzVAQaRE88AaMvI1EF/Xnj3GW2wzN6fop9DDWuFAKUVFH7vozkz26DzP0qyWLKLIVPQ==",
+      "dev": true
+    },
+    "unicode-property-aliases-ecmascript": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/unicode-property-aliases-ecmascript/-/unicode-property-aliases-ecmascript-1.0.4.tgz",
+      "integrity": "sha512-2WSLa6OdYd2ng8oqiGIWnJqyFArvhn+5vgx5GTxMbUYjCYKUcuKS62YLFF0R/BDGlB1yzXjQOLtPAfHsgirEpg==",
+      "dev": true
+    },
     "union-value": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.0.tgz",
diff --git a/package.json b/package.json
index 3e115415..a53f7101 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "build-doc": "rm -rf docs/jsdoc/*;jsdoc --pedantic -c docs/jsdoc-config.json editor",
     "build-html": "node build-html.js",
     "compress-images": "imageoptim 'chrome-app/*.png' && imageoptim 'editor/extensions/*.png' && imageoptim 'editor/spinbtn/*.png' && imageoptim 'editor/jgraduate/images/*.{png,gif}' && imageoptim 'editor/images/*.png'",
-    "copy-deps": "cp node_modules/load-stylesheets/dist/index-es.js editor/external/load-stylesheets/index-es.js && cp node_modules/babel-polyfill/dist/polyfill.min.js editor/external/babel-polyfill/polyfill.min.js && cp node_modules/babel-polyfill/dist/polyfill.js editor/external/babel-polyfill/polyfill.js && cp node_modules/jamilih/dist/jml-es.js editor/external/jamilih/jml-es.js",
+    "copy-deps": "cp node_modules/load-stylesheets/dist/index-es.js editor/external/load-stylesheets/index-es.js && cp node_modules/@babel/polyfill/dist/polyfill.min.js editor/external/@babel/polyfill/polyfill.min.js && cp node_modules/@babel/polyfill/dist/polyfill.js editor/external/@babel/polyfill/polyfill.js && cp node_modules/jamilih/dist/jml-es.js editor/external/jamilih/jml-es.js",
     "eslint": "eslint .",
     "rollup": "rollup -c",
     "start-embedded": "echo \"Open file to http://localhost:8000/editor/embedapi.html\" && static -p 8000 | static -p 8001 -H '{\"Access-Control-Allow-Origin\": \"*\"}'",
@@ -53,12 +53,10 @@
   "homepage": "https://github.com/SVG-Edit/svgedit#readme",
   "dependencies": {},
   "devDependencies": {
-    "babel-core": "6.26.3",
-    "babel-plugin-external-helpers": "^6.22.0",
-    "babel-plugin-transform-builtin-extend": "^1.1.2",
-    "babel-plugin-transform-object-rest-spread": "^6.26.0",
-    "babel-polyfill": "^6.26.0",
-    "babel-preset-env": "^1.7.0",
+    "@babel/core": "^7.1.0",
+    "@babel/polyfill": "^7.0.0",
+    "@babel/preset-env": "^7.1.0",
+    "babel-plugin-transform-object-rest-spread": "^7.0.0-beta.3",
     "eslint": "5.6.0",
     "eslint-config-standard": "12.0.0",
     "eslint-plugin-import": "2.14.0",
@@ -74,11 +72,11 @@
     "node-static": "^0.7.11",
     "opn-cli": "^3.1.0",
     "promise-fs": "^1.3.0",
-    "qr-manipulation": "^0.7.0",
+    "qr-manipulation": "https://github.com/brettz9/qr-manipulation",
     "query-result": "https://github.com/WebReflection/query-result",
     "qunit": "^2.6.2",
     "rollup": "0.66.2",
-    "rollup-plugin-babel": "^3.0.7",
+    "rollup-plugin-babel": "^4.0.3",
     "rollup-plugin-commonjs": "^9.1.8",
     "rollup-plugin-json": "^3.1.0",
     "rollup-plugin-node-builtins": "^2.1.2",
diff --git a/rollup.config.js b/rollup.config.js
index 0e013390..14dc1e7d 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -114,9 +114,7 @@ export default [
     },
     plugins: [
       babel({
-        plugins: ['transform-object-rest-spread', ['babel-plugin-transform-builtin-extend', {
-          globals: ['Array']
-        }]]
+        plugins: ['transform-object-rest-spread']
       })
     ]
   },
diff --git a/svgedit-config-iife.js b/svgedit-config-iife.js
index 9bbe2c15..49b6ccaf 100644
--- a/svgedit-config-iife.js
+++ b/svgedit-config-iife.js
@@ -1,20 +1,220 @@
 (function () {
   'use strict';
 
+  function _typeof(obj) {
+    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
+      _typeof = function (obj) {
+        return typeof obj;
+      };
+    } else {
+      _typeof = function (obj) {
+        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+      };
+    }
+
+    return _typeof(obj);
+  }
+
+  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
+    try {
+      var info = gen[key](arg);
+      var value = info.value;
+    } catch (error) {
+      reject(error);
+      return;
+    }
+
+    if (info.done) {
+      resolve(value);
+    } else {
+      Promise.resolve(value).then(_next, _throw);
+    }
+  }
+
+  function _asyncToGenerator(fn) {
+    return function () {
+      var self = this,
+          args = arguments;
+      return new Promise(function (resolve, reject) {
+        var gen = fn.apply(self, args);
+
+        function _next(value) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
+        }
+
+        function _throw(err) {
+          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
+        }
+
+        _next(undefined);
+      });
+    };
+  }
+
+  function _classCallCheck(instance, Constructor) {
+    if (!(instance instanceof Constructor)) {
+      throw new TypeError("Cannot call a class as a function");
+    }
+  }
+
+  function _defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  function _createClass(Constructor, protoProps, staticProps) {
+    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) _defineProperties(Constructor, staticProps);
+    return Constructor;
+  }
+
+  function _extends() {
+    _extends = Object.assign || function (target) {
+      for (var i = 1; i < arguments.length; i++) {
+        var source = arguments[i];
+
+        for (var key in source) {
+          if (Object.prototype.hasOwnProperty.call(source, key)) {
+            target[key] = source[key];
+          }
+        }
+      }
+
+      return target;
+    };
+
+    return _extends.apply(this, arguments);
+  }
+
+  function _inherits(subClass, superClass) {
+    if (typeof superClass !== "function" && superClass !== null) {
+      throw new TypeError("Super expression must either be null or a function");
+    }
+
+    subClass.prototype = Object.create(superClass && superClass.prototype, {
+      constructor: {
+        value: subClass,
+        writable: true,
+        configurable: true
+      }
+    });
+    if (superClass) _setPrototypeOf(subClass, superClass);
+  }
+
+  function _getPrototypeOf(o) {
+    _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
+      return o.__proto__ || Object.getPrototypeOf(o);
+    };
+    return _getPrototypeOf(o);
+  }
+
+  function _setPrototypeOf(o, p) {
+    _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
+      o.__proto__ = p;
+      return o;
+    };
+
+    return _setPrototypeOf(o, p);
+  }
+
+  function _assertThisInitialized(self) {
+    if (self === void 0) {
+      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+    }
+
+    return self;
+  }
+
+  function _possibleConstructorReturn(self, call) {
+    if (call && (typeof call === "object" || typeof call === "function")) {
+      return call;
+    }
+
+    return _assertThisInitialized(self);
+  }
+
+  function _slicedToArray(arr, i) {
+    return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();
+  }
+
+  function _toConsumableArray(arr) {
+    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
+  }
+
+  function _arrayWithoutHoles(arr) {
+    if (Array.isArray(arr)) {
+      for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+
+      return arr2;
+    }
+  }
+
+  function _arrayWithHoles(arr) {
+    if (Array.isArray(arr)) return arr;
+  }
+
+  function _iterableToArray(iter) {
+    if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+  }
+
+  function _iterableToArrayLimit(arr, i) {
+    var _arr = [];
+    var _n = true;
+    var _d = false;
+    var _e = undefined;
+
+    try {
+      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+        _arr.push(_s.value);
+
+        if (i && _arr.length === i) break;
+      }
+    } catch (err) {
+      _d = true;
+      _e = err;
+    } finally {
+      try {
+        if (!_n && _i["return"] != null) _i["return"]();
+      } finally {
+        if (_d) throw _e;
+      }
+    }
+
+    return _arr;
+  }
+
+  function _nonIterableSpread() {
+    throw new TypeError("Invalid attempt to spread non-iterable instance");
+  }
+
+  function _nonIterableRest() {
+    throw new TypeError("Invalid attempt to destructure non-iterable instance");
+  }
+
   // http://ross.posterous.com/2008/08/19/iphone-touch-events-in-javascript/
   function touchHandler(ev) {
     var changedTouches = ev.changedTouches,
         first = changedTouches[0];
-
-
     var type = '';
+
     switch (ev.type) {
       case 'touchstart':
-        type = 'mousedown';break;
+        type = 'mousedown';
+        break;
+
       case 'touchmove':
-        type = 'mousemove';break;
+        type = 'mousemove';
+        break;
+
       case 'touchend':
-        type = 'mouseup';break;
+        type = 'mouseup';
+        break;
+
       default:
         return;
     }
@@ -23,24 +223,29 @@
         screenY = first.screenY,
         clientX = first.clientX,
         clientY = first.clientY;
-
     var simulatedEvent = new MouseEvent(type, {
       // Event interface
       bubbles: true,
       cancelable: true,
       // UIEvent interface
       view: window,
-      detail: 1, // click count
+      detail: 1,
+      // click count
       // MouseEvent interface (customized)
-      screenX: screenX, screenY: screenY, clientX: clientX, clientY: clientY,
+      screenX: screenX,
+      screenY: screenY,
+      clientX: clientX,
+      clientY: clientY,
       // MouseEvent interface (defaults) - these could be removed
       ctrlKey: false,
       altKey: false,
       shiftKey: false,
       metaKey: false,
-      button: 0, // main button (usually left)
+      button: 0,
+      // main button (usually left)
       relatedTarget: null
     });
+
     if (changedTouches.length < 2) {
       first.target.dispatchEvent(simulatedEvent);
       ev.preventDefault();
@@ -52,151 +257,6 @@
   document.addEventListener('touchend', touchHandler, true);
   document.addEventListener('touchcancel', touchHandler, true);
 
-  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
-    return typeof obj;
-  } : function (obj) {
-    return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
-  };
-
-  var asyncToGenerator = function (fn) {
-    return function () {
-      var gen = fn.apply(this, arguments);
-      return new Promise(function (resolve, reject) {
-        function step(key, arg) {
-          try {
-            var info = gen[key](arg);
-            var value = info.value;
-          } catch (error) {
-            reject(error);
-            return;
-          }
-
-          if (info.done) {
-            resolve(value);
-          } else {
-            return Promise.resolve(value).then(function (value) {
-              step("next", value);
-            }, function (err) {
-              step("throw", err);
-            });
-          }
-        }
-
-        return step("next");
-      });
-    };
-  };
-
-  var classCallCheck = function (instance, Constructor) {
-    if (!(instance instanceof Constructor)) {
-      throw new TypeError("Cannot call a class as a function");
-    }
-  };
-
-  var createClass = function () {
-    function defineProperties(target, props) {
-      for (var i = 0; i < props.length; i++) {
-        var descriptor = props[i];
-        descriptor.enumerable = descriptor.enumerable || false;
-        descriptor.configurable = true;
-        if ("value" in descriptor) descriptor.writable = true;
-        Object.defineProperty(target, descriptor.key, descriptor);
-      }
-    }
-
-    return function (Constructor, protoProps, staticProps) {
-      if (protoProps) defineProperties(Constructor.prototype, protoProps);
-      if (staticProps) defineProperties(Constructor, staticProps);
-      return Constructor;
-    };
-  }();
-
-  var _extends = Object.assign || function (target) {
-    for (var i = 1; i < arguments.length; i++) {
-      var source = arguments[i];
-
-      for (var key in source) {
-        if (Object.prototype.hasOwnProperty.call(source, key)) {
-          target[key] = source[key];
-        }
-      }
-    }
-
-    return target;
-  };
-
-  var inherits = function (subClass, superClass) {
-    if (typeof superClass !== "function" && superClass !== null) {
-      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
-    }
-
-    subClass.prototype = Object.create(superClass && superClass.prototype, {
-      constructor: {
-        value: subClass,
-        enumerable: false,
-        writable: true,
-        configurable: true
-      }
-    });
-    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
-  };
-
-  var possibleConstructorReturn = function (self, call) {
-    if (!self) {
-      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
-    }
-
-    return call && (typeof call === "object" || typeof call === "function") ? call : self;
-  };
-
-  var slicedToArray = function () {
-    function sliceIterator(arr, i) {
-      var _arr = [];
-      var _n = true;
-      var _d = false;
-      var _e = undefined;
-
-      try {
-        for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
-          _arr.push(_s.value);
-
-          if (i && _arr.length === i) break;
-        }
-      } catch (err) {
-        _d = true;
-        _e = err;
-      } finally {
-        try {
-          if (!_n && _i["return"]) _i["return"]();
-        } finally {
-          if (_d) throw _e;
-        }
-      }
-
-      return _arr;
-    }
-
-    return function (arr, i) {
-      if (Array.isArray(arr)) {
-        return arr;
-      } else if (Symbol.iterator in Object(arr)) {
-        return sliceIterator(arr, i);
-      } else {
-        throw new TypeError("Invalid attempt to destructure non-iterable instance");
-      }
-    };
-  }();
-
-  var toConsumableArray = function (arr) {
-    if (Array.isArray(arr)) {
-      for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
-
-      return arr2;
-    } else {
-      return Array.from(arr);
-    }
-  };
-
   /**
    * Namespaces or tools therefor
    * @module namespaces
@@ -217,16 +277,17 @@
     XLINK: 'http://www.w3.org/1999/xlink',
     XML: 'http://www.w3.org/XML/1998/namespace',
     XMLNS: 'http://www.w3.org/2000/xmlns/' // see http://www.w3.org/TR/REC-xml-names/#xmlReserved
-  };
 
+  };
   /**
   * @function module:namespaces.getReverseNS
   * @returns {string} The NS with key values switched and lowercase
   */
+
   var getReverseNS = function getReverseNS() {
     var reverseNS = {};
     Object.entries(NS).forEach(function (_ref) {
-      var _ref2 = slicedToArray(_ref, 2),
+      var _ref2 = _slicedToArray(_ref, 2),
           name = _ref2[0],
           URI = _ref2[1];
 
@@ -244,6 +305,7 @@
       SVGPathSegCurvetoCubicSmoothAbs, SVGPathSegCurvetoQuadraticRel,
       SVGPathSegCurvetoQuadraticAbs, SVGPathSegCurvetoQuadraticSmoothRel,
       SVGPathSegCurvetoQuadraticSmoothAbs, SVGPathSegArcRel, SVGPathSegArcAbs */
+
   /**
   * SVGPathSeg API polyfill
   * https://github.com/progers/pathseg
@@ -256,30 +318,31 @@
   (function () {
     if (!('SVGPathSeg' in window)) {
       // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSeg
-      var _SVGPathSeg = function () {
+      var _SVGPathSeg =
+      /*#__PURE__*/
+      function () {
         function _SVGPathSeg(type, typeAsLetter, owningPathSegList) {
-          classCallCheck(this, _SVGPathSeg);
+          _classCallCheck(this, _SVGPathSeg);
 
           this.pathSegType = type;
           this.pathSegTypeAsLetter = typeAsLetter;
           this._owningPathSegList = owningPathSegList;
-        }
-        // Notify owning PathSegList on any changes so they can be synchronized back to the path element.
+        } // Notify owning PathSegList on any changes so they can be synchronized back to the path element.
 
 
-        createClass(_SVGPathSeg, [{
-          key: '_segmentChanged',
+        _createClass(_SVGPathSeg, [{
+          key: "_segmentChanged",
           value: function _segmentChanged() {
             if (this._owningPathSegList) {
               this._owningPathSegList.segmentChanged(this);
             }
           }
         }]);
+
         return _SVGPathSeg;
       }();
 
       _SVGPathSeg.prototype.classname = 'SVGPathSeg';
-
       _SVGPathSeg.PATHSEG_UNKNOWN = 0;
       _SVGPathSeg.PATHSEG_CLOSEPATH = 1;
       _SVGPathSeg.PATHSEG_MOVETO_ABS = 2;
@@ -301,247 +364,401 @@
       _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = 18;
       _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = 19;
 
-      var _SVGPathSegClosePath = function (_SVGPathSeg2) {
-        inherits(_SVGPathSegClosePath, _SVGPathSeg2);
+      var _SVGPathSegClosePath =
+      /*#__PURE__*/
+      function (_SVGPathSeg2) {
+        _inherits(_SVGPathSegClosePath, _SVGPathSeg2);
 
         function _SVGPathSegClosePath(owningPathSegList) {
-          classCallCheck(this, _SVGPathSegClosePath);
-          return possibleConstructorReturn(this, (_SVGPathSegClosePath.__proto__ || Object.getPrototypeOf(_SVGPathSegClosePath)).call(this, _SVGPathSeg.PATHSEG_CLOSEPATH, 'z', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegClosePath);
+
+          return _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegClosePath).call(this, _SVGPathSeg.PATHSEG_CLOSEPATH, 'z', owningPathSegList));
         }
 
-        createClass(_SVGPathSegClosePath, [{
-          key: 'toString',
+        _createClass(_SVGPathSegClosePath, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegClosePath]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegClosePath(undefined);
           }
         }]);
+
         return _SVGPathSegClosePath;
       }(_SVGPathSeg);
 
-      var _SVGPathSegMovetoAbs = function (_SVGPathSeg3) {
-        inherits(_SVGPathSegMovetoAbs, _SVGPathSeg3);
+      var _SVGPathSegMovetoAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg3) {
+        _inherits(_SVGPathSegMovetoAbs, _SVGPathSeg3);
 
         function _SVGPathSegMovetoAbs(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegMovetoAbs);
+          var _this;
 
-          var _this2 = possibleConstructorReturn(this, (_SVGPathSegMovetoAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegMovetoAbs)).call(this, _SVGPathSeg.PATHSEG_MOVETO_ABS, 'M', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegMovetoAbs);
 
-          _this2._x = x;
-          _this2._y = y;
-          return _this2;
+          _this = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegMovetoAbs).call(this, _SVGPathSeg.PATHSEG_MOVETO_ABS, 'M', owningPathSegList));
+          _this._x = x;
+          _this._y = y;
+          return _this;
         }
 
-        createClass(_SVGPathSegMovetoAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegMovetoAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegMovetoAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegMovetoAbs(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegMovetoAbs;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegMovetoAbs.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
           enumerable: true
         },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
           enumerable: true
         }
       });
 
-      var _SVGPathSegMovetoRel = function (_SVGPathSeg4) {
-        inherits(_SVGPathSegMovetoRel, _SVGPathSeg4);
+      var _SVGPathSegMovetoRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg4) {
+        _inherits(_SVGPathSegMovetoRel, _SVGPathSeg4);
 
         function _SVGPathSegMovetoRel(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegMovetoRel);
+          var _this2;
 
-          var _this3 = possibleConstructorReturn(this, (_SVGPathSegMovetoRel.__proto__ || Object.getPrototypeOf(_SVGPathSegMovetoRel)).call(this, _SVGPathSeg.PATHSEG_MOVETO_REL, 'm', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegMovetoRel);
 
-          _this3._x = x;
-          _this3._y = y;
-          return _this3;
+          _this2 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegMovetoRel).call(this, _SVGPathSeg.PATHSEG_MOVETO_REL, 'm', owningPathSegList));
+          _this2._x = x;
+          _this2._y = y;
+          return _this2;
         }
 
-        createClass(_SVGPathSegMovetoRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegMovetoRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegMovetoRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegMovetoRel(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegMovetoRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegMovetoRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegLinetoAbs = function (_SVGPathSeg5) {
-        inherits(_SVGPathSegLinetoAbs, _SVGPathSeg5);
+      var _SVGPathSegLinetoAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg5) {
+        _inherits(_SVGPathSegLinetoAbs, _SVGPathSeg5);
 
         function _SVGPathSegLinetoAbs(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegLinetoAbs);
+          var _this3;
 
-          var _this4 = possibleConstructorReturn(this, (_SVGPathSegLinetoAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoAbs)).call(this, _SVGPathSeg.PATHSEG_LINETO_ABS, 'L', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoAbs);
 
-          _this4._x = x;
-          _this4._y = y;
-          return _this4;
+          _this3 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoAbs).call(this, _SVGPathSeg.PATHSEG_LINETO_ABS, 'L', owningPathSegList));
+          _this3._x = x;
+          _this3._y = y;
+          return _this3;
         }
 
-        createClass(_SVGPathSegLinetoAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoAbs(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegLinetoAbs;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegLinetoAbs.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegLinetoRel = function (_SVGPathSeg6) {
-        inherits(_SVGPathSegLinetoRel, _SVGPathSeg6);
+      var _SVGPathSegLinetoRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg6) {
+        _inherits(_SVGPathSegLinetoRel, _SVGPathSeg6);
 
         function _SVGPathSegLinetoRel(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegLinetoRel);
+          var _this4;
 
-          var _this5 = possibleConstructorReturn(this, (_SVGPathSegLinetoRel.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoRel)).call(this, _SVGPathSeg.PATHSEG_LINETO_REL, 'l', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoRel);
 
-          _this5._x = x;
-          _this5._y = y;
-          return _this5;
+          _this4 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoRel).call(this, _SVGPathSeg.PATHSEG_LINETO_REL, 'l', owningPathSegList));
+          _this4._x = x;
+          _this4._y = y;
+          return _this4;
         }
 
-        createClass(_SVGPathSegLinetoRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoRel(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegLinetoRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegLinetoRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegCurvetoCubicAbs = function (_SVGPathSeg7) {
-        inherits(_SVGPathSegCurvetoCubicAbs, _SVGPathSeg7);
+      var _SVGPathSegCurvetoCubicAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg7) {
+        _inherits(_SVGPathSegCurvetoCubicAbs, _SVGPathSeg7);
 
         function _SVGPathSegCurvetoCubicAbs(owningPathSegList, x, y, x1, y1, x2, y2) {
-          classCallCheck(this, _SVGPathSegCurvetoCubicAbs);
+          var _this5;
 
-          var _this6 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, 'C', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoCubicAbs);
 
+          _this5 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, 'C', owningPathSegList));
+          _this5._x = x;
+          _this5._y = y;
+          _this5._x1 = x1;
+          _this5._y1 = y1;
+          _this5._x2 = x2;
+          _this5._y2 = y2;
+          return _this5;
+        }
+
+        _createClass(_SVGPathSegCurvetoCubicAbs, [{
+          key: "toString",
+          value: function toString() {
+            return '[object SVGPathSegCurvetoCubicAbs]';
+          }
+        }, {
+          key: "_asPathString",
+          value: function _asPathString() {
+            return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
+          }
+        }, {
+          key: "clone",
+          value: function clone() {
+            return new _SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
+          }
+        }]);
+
+        return _SVGPathSegCurvetoCubicAbs;
+      }(_SVGPathSeg);
+
+      Object.defineProperties(_SVGPathSegCurvetoCubicAbs.prototype, {
+        x: {
+          get: function get() {
+            return this._x;
+          },
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y: {
+          get: function get() {
+            return this._y;
+          },
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        x1: {
+          get: function get() {
+            return this._x1;
+          },
+          set: function set(x1) {
+            this._x1 = x1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y1: {
+          get: function get() {
+            return this._y1;
+          },
+          set: function set(y1) {
+            this._y1 = y1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        x2: {
+          get: function get() {
+            return this._x2;
+          },
+          set: function set(x2) {
+            this._x2 = x2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y2: {
+          get: function get() {
+            return this._y2;
+          },
+          set: function set(y2) {
+            this._y2 = y2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      });
+
+      var _SVGPathSegCurvetoCubicRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg8) {
+        _inherits(_SVGPathSegCurvetoCubicRel, _SVGPathSeg8);
+
+        function _SVGPathSegCurvetoCubicRel(owningPathSegList, x, y, x1, y1, x2, y2) {
+          var _this6;
+
+          _classCallCheck(this, _SVGPathSegCurvetoCubicRel);
+
+          _this6 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, 'c', owningPathSegList));
           _this6._x = x;
           _this6._y = y;
           _this6._x1 = x1;
@@ -551,171 +768,191 @@
           return _this6;
         }
 
-        createClass(_SVGPathSegCurvetoCubicAbs, [{
-          key: 'toString',
-          value: function toString() {
-            return '[object SVGPathSegCurvetoCubicAbs]';
-          }
-        }, {
-          key: '_asPathString',
-          value: function _asPathString() {
-            return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
-          }
-        }, {
-          key: 'clone',
-          value: function clone() {
-            return new _SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
-          }
-        }]);
-        return _SVGPathSegCurvetoCubicAbs;
-      }(_SVGPathSeg);
-
-      Object.defineProperties(_SVGPathSegCurvetoCubicAbs.prototype, {
-        x: {
-          get: function get$$1() {
-            return this._x;
-          },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
-          },
-          enumerable: true },
-        y: {
-          get: function get$$1() {
-            return this._y;
-          },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true },
-        x1: {
-          get: function get$$1() {
-            return this._x1;
-          },
-          set: function set$$1(x1) {
-            this._x1 = x1;this._segmentChanged();
-          },
-          enumerable: true },
-        y1: {
-          get: function get$$1() {
-            return this._y1;
-          },
-          set: function set$$1(y1) {
-            this._y1 = y1;this._segmentChanged();
-          },
-          enumerable: true },
-        x2: {
-          get: function get$$1() {
-            return this._x2;
-          },
-          set: function set$$1(x2) {
-            this._x2 = x2;this._segmentChanged();
-          },
-          enumerable: true },
-        y2: {
-          get: function get$$1() {
-            return this._y2;
-          },
-          set: function set$$1(y2) {
-            this._y2 = y2;this._segmentChanged();
-          },
-          enumerable: true }
-      });
-
-      var _SVGPathSegCurvetoCubicRel = function (_SVGPathSeg8) {
-        inherits(_SVGPathSegCurvetoCubicRel, _SVGPathSeg8);
-
-        function _SVGPathSegCurvetoCubicRel(owningPathSegList, x, y, x1, y1, x2, y2) {
-          classCallCheck(this, _SVGPathSegCurvetoCubicRel);
-
-          var _this7 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, 'c', owningPathSegList));
-
-          _this7._x = x;
-          _this7._y = y;
-          _this7._x1 = x1;
-          _this7._y1 = y1;
-          _this7._x2 = x2;
-          _this7._y2 = y2;
-          return _this7;
-        }
-
-        createClass(_SVGPathSegCurvetoCubicRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoCubicRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoCubicRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoCubicRel(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);
           }
         }]);
+
         return _SVGPathSegCurvetoCubicRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoCubicRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         x1: {
-          get: function get$$1() {
+          get: function get() {
             return this._x1;
           },
-          set: function set$$1(x1) {
-            this._x1 = x1;this._segmentChanged();
+          set: function set(x1) {
+            this._x1 = x1;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y1: {
-          get: function get$$1() {
+          get: function get() {
             return this._y1;
           },
-          set: function set$$1(y1) {
-            this._y1 = y1;this._segmentChanged();
+          set: function set(y1) {
+            this._y1 = y1;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         x2: {
-          get: function get$$1() {
+          get: function get() {
             return this._x2;
           },
-          set: function set$$1(x2) {
-            this._x2 = x2;this._segmentChanged();
+          set: function set(x2) {
+            this._x2 = x2;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y2: {
-          get: function get$$1() {
+          get: function get() {
             return this._y2;
           },
-          set: function set$$1(y2) {
-            this._y2 = y2;this._segmentChanged();
+          set: function set(y2) {
+            this._y2 = y2;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegCurvetoQuadraticAbs = function (_SVGPathSeg9) {
-        inherits(_SVGPathSegCurvetoQuadraticAbs, _SVGPathSeg9);
+      var _SVGPathSegCurvetoQuadraticAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg9) {
+        _inherits(_SVGPathSegCurvetoQuadraticAbs, _SVGPathSeg9);
 
         function _SVGPathSegCurvetoQuadraticAbs(owningPathSegList, x, y, x1, y1) {
-          classCallCheck(this, _SVGPathSegCurvetoQuadraticAbs);
+          var _this7;
 
-          var _this8 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, 'Q', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoQuadraticAbs);
 
+          _this7 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, 'Q', owningPathSegList));
+          _this7._x = x;
+          _this7._y = y;
+          _this7._x1 = x1;
+          _this7._y1 = y1;
+          return _this7;
+        }
+
+        _createClass(_SVGPathSegCurvetoQuadraticAbs, [{
+          key: "toString",
+          value: function toString() {
+            return '[object SVGPathSegCurvetoQuadraticAbs]';
+          }
+        }, {
+          key: "_asPathString",
+          value: function _asPathString() {
+            return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y;
+          }
+        }, {
+          key: "clone",
+          value: function clone() {
+            return new _SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1);
+          }
+        }]);
+
+        return _SVGPathSegCurvetoQuadraticAbs;
+      }(_SVGPathSeg);
+
+      Object.defineProperties(_SVGPathSegCurvetoQuadraticAbs.prototype, {
+        x: {
+          get: function get() {
+            return this._x;
+          },
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y: {
+          get: function get() {
+            return this._y;
+          },
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        x1: {
+          get: function get() {
+            return this._x1;
+          },
+          set: function set(x1) {
+            this._x1 = x1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y1: {
+          get: function get() {
+            return this._y1;
+          },
+          set: function set(y1) {
+            this._y1 = y1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      });
+
+      var _SVGPathSegCurvetoQuadraticRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg10) {
+        _inherits(_SVGPathSegCurvetoQuadraticRel, _SVGPathSeg10);
+
+        function _SVGPathSegCurvetoQuadraticRel(owningPathSegList, x, y, x1, y1) {
+          var _this8;
+
+          _classCallCheck(this, _SVGPathSegCurvetoQuadraticRel);
+
+          _this8 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, 'q', owningPathSegList));
           _this8._x = x;
           _this8._y = y;
           _this8._x1 = x1;
@@ -723,137 +960,205 @@
           return _this8;
         }
 
-        createClass(_SVGPathSegCurvetoQuadraticAbs, [{
-          key: 'toString',
-          value: function toString() {
-            return '[object SVGPathSegCurvetoQuadraticAbs]';
-          }
-        }, {
-          key: '_asPathString',
-          value: function _asPathString() {
-            return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y;
-          }
-        }, {
-          key: 'clone',
-          value: function clone() {
-            return new _SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1);
-          }
-        }]);
-        return _SVGPathSegCurvetoQuadraticAbs;
-      }(_SVGPathSeg);
-
-      Object.defineProperties(_SVGPathSegCurvetoQuadraticAbs.prototype, {
-        x: {
-          get: function get$$1() {
-            return this._x;
-          },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
-          },
-          enumerable: true },
-        y: {
-          get: function get$$1() {
-            return this._y;
-          },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true },
-        x1: {
-          get: function get$$1() {
-            return this._x1;
-          },
-          set: function set$$1(x1) {
-            this._x1 = x1;this._segmentChanged();
-          },
-          enumerable: true },
-        y1: {
-          get: function get$$1() {
-            return this._y1;
-          },
-          set: function set$$1(y1) {
-            this._y1 = y1;this._segmentChanged();
-          },
-          enumerable: true }
-      });
-
-      var _SVGPathSegCurvetoQuadraticRel = function (_SVGPathSeg10) {
-        inherits(_SVGPathSegCurvetoQuadraticRel, _SVGPathSeg10);
-
-        function _SVGPathSegCurvetoQuadraticRel(owningPathSegList, x, y, x1, y1) {
-          classCallCheck(this, _SVGPathSegCurvetoQuadraticRel);
-
-          var _this9 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, 'q', owningPathSegList));
-
-          _this9._x = x;
-          _this9._y = y;
-          _this9._x1 = x1;
-          _this9._y1 = y1;
-          return _this9;
-        }
-
-        createClass(_SVGPathSegCurvetoQuadraticRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoQuadraticRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoQuadraticRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x1 + ' ' + this._y1 + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoQuadraticRel(undefined, this._x, this._y, this._x1, this._y1);
           }
         }]);
+
         return _SVGPathSegCurvetoQuadraticRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoQuadraticRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         x1: {
-          get: function get$$1() {
+          get: function get() {
             return this._x1;
           },
-          set: function set$$1(x1) {
-            this._x1 = x1;this._segmentChanged();
+          set: function set(x1) {
+            this._x1 = x1;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y1: {
-          get: function get$$1() {
+          get: function get() {
             return this._y1;
           },
-          set: function set$$1(y1) {
-            this._y1 = y1;this._segmentChanged();
+          set: function set(y1) {
+            this._y1 = y1;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegArcAbs = function (_SVGPathSeg11) {
-        inherits(_SVGPathSegArcAbs, _SVGPathSeg11);
+      var _SVGPathSegArcAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg11) {
+        _inherits(_SVGPathSegArcAbs, _SVGPathSeg11);
 
         function _SVGPathSegArcAbs(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
-          classCallCheck(this, _SVGPathSegArcAbs);
+          var _this9;
 
-          var _this10 = possibleConstructorReturn(this, (_SVGPathSegArcAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegArcAbs)).call(this, _SVGPathSeg.PATHSEG_ARC_ABS, 'A', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegArcAbs);
 
+          _this9 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegArcAbs).call(this, _SVGPathSeg.PATHSEG_ARC_ABS, 'A', owningPathSegList));
+          _this9._x = x;
+          _this9._y = y;
+          _this9._r1 = r1;
+          _this9._r2 = r2;
+          _this9._angle = angle;
+          _this9._largeArcFlag = largeArcFlag;
+          _this9._sweepFlag = sweepFlag;
+          return _this9;
+        }
+
+        _createClass(_SVGPathSegArcAbs, [{
+          key: "toString",
+          value: function toString() {
+            return '[object SVGPathSegArcAbs]';
+          }
+        }, {
+          key: "_asPathString",
+          value: function _asPathString() {
+            return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y;
+          }
+        }, {
+          key: "clone",
+          value: function clone() {
+            return new _SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
+          }
+        }]);
+
+        return _SVGPathSegArcAbs;
+      }(_SVGPathSeg);
+
+      Object.defineProperties(_SVGPathSegArcAbs.prototype, {
+        x: {
+          get: function get() {
+            return this._x;
+          },
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y: {
+          get: function get() {
+            return this._y;
+          },
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        r1: {
+          get: function get() {
+            return this._r1;
+          },
+          set: function set(r1) {
+            this._r1 = r1;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        r2: {
+          get: function get() {
+            return this._r2;
+          },
+          set: function set(r2) {
+            this._r2 = r2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        angle: {
+          get: function get() {
+            return this._angle;
+          },
+          set: function set(angle) {
+            this._angle = angle;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        largeArcFlag: {
+          get: function get() {
+            return this._largeArcFlag;
+          },
+          set: function set(largeArcFlag) {
+            this._largeArcFlag = largeArcFlag;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        sweepFlag: {
+          get: function get() {
+            return this._sweepFlag;
+          },
+          set: function set(sweepFlag) {
+            this._sweepFlag = sweepFlag;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      });
+
+      var _SVGPathSegArcRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg12) {
+        _inherits(_SVGPathSegArcRel, _SVGPathSeg12);
+
+        function _SVGPathSegArcRel(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
+          var _this10;
+
+          _classCallCheck(this, _SVGPathSegArcRel);
+
+          _this10 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegArcRel).call(this, _SVGPathSeg.PATHSEG_ARC_REL, 'a', owningPathSegList));
           _this10._x = x;
           _this10._y = y;
           _this10._r1 = r1;
@@ -864,348 +1169,390 @@
           return _this10;
         }
 
-        createClass(_SVGPathSegArcAbs, [{
-          key: 'toString',
-          value: function toString() {
-            return '[object SVGPathSegArcAbs]';
-          }
-        }, {
-          key: '_asPathString',
-          value: function _asPathString() {
-            return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y;
-          }
-        }, {
-          key: 'clone',
-          value: function clone() {
-            return new _SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
-          }
-        }]);
-        return _SVGPathSegArcAbs;
-      }(_SVGPathSeg);
-
-      Object.defineProperties(_SVGPathSegArcAbs.prototype, {
-        x: {
-          get: function get$$1() {
-            return this._x;
-          },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
-          },
-          enumerable: true },
-        y: {
-          get: function get$$1() {
-            return this._y;
-          },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true },
-        r1: {
-          get: function get$$1() {
-            return this._r1;
-          },
-          set: function set$$1(r1) {
-            this._r1 = r1;this._segmentChanged();
-          },
-          enumerable: true },
-        r2: {
-          get: function get$$1() {
-            return this._r2;
-          },
-          set: function set$$1(r2) {
-            this._r2 = r2;this._segmentChanged();
-          },
-          enumerable: true },
-        angle: {
-          get: function get$$1() {
-            return this._angle;
-          },
-          set: function set$$1(angle) {
-            this._angle = angle;this._segmentChanged();
-          },
-          enumerable: true },
-        largeArcFlag: {
-          get: function get$$1() {
-            return this._largeArcFlag;
-          },
-          set: function set$$1(largeArcFlag) {
-            this._largeArcFlag = largeArcFlag;this._segmentChanged();
-          },
-          enumerable: true },
-        sweepFlag: {
-          get: function get$$1() {
-            return this._sweepFlag;
-          },
-          set: function set$$1(sweepFlag) {
-            this._sweepFlag = sweepFlag;this._segmentChanged();
-          },
-          enumerable: true }
-      });
-
-      var _SVGPathSegArcRel = function (_SVGPathSeg12) {
-        inherits(_SVGPathSegArcRel, _SVGPathSeg12);
-
-        function _SVGPathSegArcRel(owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
-          classCallCheck(this, _SVGPathSegArcRel);
-
-          var _this11 = possibleConstructorReturn(this, (_SVGPathSegArcRel.__proto__ || Object.getPrototypeOf(_SVGPathSegArcRel)).call(this, _SVGPathSeg.PATHSEG_ARC_REL, 'a', owningPathSegList));
-
-          _this11._x = x;
-          _this11._y = y;
-          _this11._r1 = r1;
-          _this11._r2 = r2;
-          _this11._angle = angle;
-          _this11._largeArcFlag = largeArcFlag;
-          _this11._sweepFlag = sweepFlag;
-          return _this11;
-        }
-
-        createClass(_SVGPathSegArcRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegArcRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegArcRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._r1 + ' ' + this._r2 + ' ' + this._angle + ' ' + (this._largeArcFlag ? '1' : '0') + ' ' + (this._sweepFlag ? '1' : '0') + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegArcRel(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);
           }
         }]);
+
         return _SVGPathSegArcRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegArcRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         r1: {
-          get: function get$$1() {
+          get: function get() {
             return this._r1;
           },
-          set: function set$$1(r1) {
-            this._r1 = r1;this._segmentChanged();
+          set: function set(r1) {
+            this._r1 = r1;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         r2: {
-          get: function get$$1() {
+          get: function get() {
             return this._r2;
           },
-          set: function set$$1(r2) {
-            this._r2 = r2;this._segmentChanged();
+          set: function set(r2) {
+            this._r2 = r2;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         angle: {
-          get: function get$$1() {
+          get: function get() {
             return this._angle;
           },
-          set: function set$$1(angle) {
-            this._angle = angle;this._segmentChanged();
+          set: function set(angle) {
+            this._angle = angle;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         largeArcFlag: {
-          get: function get$$1() {
+          get: function get() {
             return this._largeArcFlag;
           },
-          set: function set$$1(largeArcFlag) {
-            this._largeArcFlag = largeArcFlag;this._segmentChanged();
+          set: function set(largeArcFlag) {
+            this._largeArcFlag = largeArcFlag;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         sweepFlag: {
-          get: function get$$1() {
+          get: function get() {
             return this._sweepFlag;
           },
-          set: function set$$1(sweepFlag) {
-            this._sweepFlag = sweepFlag;this._segmentChanged();
+          set: function set(sweepFlag) {
+            this._sweepFlag = sweepFlag;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegLinetoHorizontalAbs = function (_SVGPathSeg13) {
-        inherits(_SVGPathSegLinetoHorizontalAbs, _SVGPathSeg13);
+      var _SVGPathSegLinetoHorizontalAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg13) {
+        _inherits(_SVGPathSegLinetoHorizontalAbs, _SVGPathSeg13);
 
         function _SVGPathSegLinetoHorizontalAbs(owningPathSegList, x) {
-          classCallCheck(this, _SVGPathSegLinetoHorizontalAbs);
+          var _this11;
 
-          var _this12 = possibleConstructorReturn(this, (_SVGPathSegLinetoHorizontalAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoHorizontalAbs)).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, 'H', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoHorizontalAbs);
 
-          _this12._x = x;
-          return _this12;
+          _this11 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoHorizontalAbs).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, 'H', owningPathSegList));
+          _this11._x = x;
+          return _this11;
         }
 
-        createClass(_SVGPathSegLinetoHorizontalAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoHorizontalAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoHorizontalAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoHorizontalAbs(undefined, this._x);
           }
         }]);
+
         return _SVGPathSegLinetoHorizontalAbs;
       }(_SVGPathSeg);
 
       Object.defineProperty(_SVGPathSegLinetoHorizontalAbs.prototype, 'x', {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
-        },
-        enumerable: true });
+        set: function set(x) {
+          this._x = x;
 
-      var _SVGPathSegLinetoHorizontalRel = function (_SVGPathSeg14) {
-        inherits(_SVGPathSegLinetoHorizontalRel, _SVGPathSeg14);
+          this._segmentChanged();
+        },
+        enumerable: true
+      });
+
+      var _SVGPathSegLinetoHorizontalRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg14) {
+        _inherits(_SVGPathSegLinetoHorizontalRel, _SVGPathSeg14);
 
         function _SVGPathSegLinetoHorizontalRel(owningPathSegList, x) {
-          classCallCheck(this, _SVGPathSegLinetoHorizontalRel);
+          var _this12;
 
-          var _this13 = possibleConstructorReturn(this, (_SVGPathSegLinetoHorizontalRel.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoHorizontalRel)).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, 'h', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoHorizontalRel);
 
-          _this13._x = x;
-          return _this13;
+          _this12 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoHorizontalRel).call(this, _SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, 'h', owningPathSegList));
+          _this12._x = x;
+          return _this12;
         }
 
-        createClass(_SVGPathSegLinetoHorizontalRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoHorizontalRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoHorizontalRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoHorizontalRel(undefined, this._x);
           }
         }]);
+
         return _SVGPathSegLinetoHorizontalRel;
       }(_SVGPathSeg);
 
       Object.defineProperty(_SVGPathSegLinetoHorizontalRel.prototype, 'x', {
-        get: function get$$1() {
+        get: function get() {
           return this._x;
         },
-        set: function set$$1(x) {
-          this._x = x;this._segmentChanged();
-        },
-        enumerable: true });
+        set: function set(x) {
+          this._x = x;
 
-      var _SVGPathSegLinetoVerticalAbs = function (_SVGPathSeg15) {
-        inherits(_SVGPathSegLinetoVerticalAbs, _SVGPathSeg15);
+          this._segmentChanged();
+        },
+        enumerable: true
+      });
+
+      var _SVGPathSegLinetoVerticalAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg15) {
+        _inherits(_SVGPathSegLinetoVerticalAbs, _SVGPathSeg15);
 
         function _SVGPathSegLinetoVerticalAbs(owningPathSegList, y) {
-          classCallCheck(this, _SVGPathSegLinetoVerticalAbs);
+          var _this13;
 
-          var _this14 = possibleConstructorReturn(this, (_SVGPathSegLinetoVerticalAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoVerticalAbs)).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, 'V', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoVerticalAbs);
 
-          _this14._y = y;
-          return _this14;
+          _this13 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoVerticalAbs).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, 'V', owningPathSegList));
+          _this13._y = y;
+          return _this13;
         }
 
-        createClass(_SVGPathSegLinetoVerticalAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoVerticalAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoVerticalAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoVerticalAbs(undefined, this._y);
           }
         }]);
+
         return _SVGPathSegLinetoVerticalAbs;
       }(_SVGPathSeg);
 
       Object.defineProperty(_SVGPathSegLinetoVerticalAbs.prototype, 'y', {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
-        },
-        enumerable: true });
+        set: function set(y) {
+          this._y = y;
 
-      var _SVGPathSegLinetoVerticalRel = function (_SVGPathSeg16) {
-        inherits(_SVGPathSegLinetoVerticalRel, _SVGPathSeg16);
+          this._segmentChanged();
+        },
+        enumerable: true
+      });
+
+      var _SVGPathSegLinetoVerticalRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg16) {
+        _inherits(_SVGPathSegLinetoVerticalRel, _SVGPathSeg16);
 
         function _SVGPathSegLinetoVerticalRel(owningPathSegList, y) {
-          classCallCheck(this, _SVGPathSegLinetoVerticalRel);
+          var _this14;
 
-          var _this15 = possibleConstructorReturn(this, (_SVGPathSegLinetoVerticalRel.__proto__ || Object.getPrototypeOf(_SVGPathSegLinetoVerticalRel)).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, 'v', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegLinetoVerticalRel);
 
-          _this15._y = y;
-          return _this15;
+          _this14 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegLinetoVerticalRel).call(this, _SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, 'v', owningPathSegList));
+          _this14._y = y;
+          return _this14;
         }
 
-        createClass(_SVGPathSegLinetoVerticalRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegLinetoVerticalRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegLinetoVerticalRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegLinetoVerticalRel(undefined, this._y);
           }
         }]);
+
         return _SVGPathSegLinetoVerticalRel;
       }(_SVGPathSeg);
 
       Object.defineProperty(_SVGPathSegLinetoVerticalRel.prototype, 'y', {
-        get: function get$$1() {
+        get: function get() {
           return this._y;
         },
-        set: function set$$1(y) {
-          this._y = y;this._segmentChanged();
-        },
-        enumerable: true });
+        set: function set(y) {
+          this._y = y;
 
-      var _SVGPathSegCurvetoCubicSmoothAbs = function (_SVGPathSeg17) {
-        inherits(_SVGPathSegCurvetoCubicSmoothAbs, _SVGPathSeg17);
+          this._segmentChanged();
+        },
+        enumerable: true
+      });
+
+      var _SVGPathSegCurvetoCubicSmoothAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg17) {
+        _inherits(_SVGPathSegCurvetoCubicSmoothAbs, _SVGPathSeg17);
 
         function _SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, x, y, x2, y2) {
-          classCallCheck(this, _SVGPathSegCurvetoCubicSmoothAbs);
+          var _this15;
 
-          var _this16 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicSmoothAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicSmoothAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, 'S', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoCubicSmoothAbs);
 
+          _this15 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicSmoothAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, 'S', owningPathSegList));
+          _this15._x = x;
+          _this15._y = y;
+          _this15._x2 = x2;
+          _this15._y2 = y2;
+          return _this15;
+        }
+
+        _createClass(_SVGPathSegCurvetoCubicSmoothAbs, [{
+          key: "toString",
+          value: function toString() {
+            return '[object SVGPathSegCurvetoCubicSmoothAbs]';
+          }
+        }, {
+          key: "_asPathString",
+          value: function _asPathString() {
+            return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
+          }
+        }, {
+          key: "clone",
+          value: function clone() {
+            return new _SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2);
+          }
+        }]);
+
+        return _SVGPathSegCurvetoCubicSmoothAbs;
+      }(_SVGPathSeg);
+
+      Object.defineProperties(_SVGPathSegCurvetoCubicSmoothAbs.prototype, {
+        x: {
+          get: function get() {
+            return this._x;
+          },
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y: {
+          get: function get() {
+            return this._y;
+          },
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        x2: {
+          get: function get() {
+            return this._x2;
+          },
+          set: function set(x2) {
+            this._x2 = x2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        },
+        y2: {
+          get: function get() {
+            return this._y2;
+          },
+          set: function set(y2) {
+            this._y2 = y2;
+
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      });
+
+      var _SVGPathSegCurvetoCubicSmoothRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg18) {
+        _inherits(_SVGPathSegCurvetoCubicSmoothRel, _SVGPathSeg18);
+
+        function _SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, x, y, x2, y2) {
+          var _this16;
+
+          _classCallCheck(this, _SVGPathSegCurvetoCubicSmoothRel);
+
+          _this16 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoCubicSmoothRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, 's', owningPathSegList));
           _this16._x = x;
           _this16._y = y;
           _this16._x2 = x2;
@@ -1213,287 +1560,268 @@
           return _this16;
         }
 
-        createClass(_SVGPathSegCurvetoCubicSmoothAbs, [{
-          key: 'toString',
-          value: function toString() {
-            return '[object SVGPathSegCurvetoCubicSmoothAbs]';
-          }
-        }, {
-          key: '_asPathString',
-          value: function _asPathString() {
-            return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
-          }
-        }, {
-          key: 'clone',
-          value: function clone() {
-            return new _SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2);
-          }
-        }]);
-        return _SVGPathSegCurvetoCubicSmoothAbs;
-      }(_SVGPathSeg);
-
-      Object.defineProperties(_SVGPathSegCurvetoCubicSmoothAbs.prototype, {
-        x: {
-          get: function get$$1() {
-            return this._x;
-          },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
-          },
-          enumerable: true },
-        y: {
-          get: function get$$1() {
-            return this._y;
-          },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true },
-        x2: {
-          get: function get$$1() {
-            return this._x2;
-          },
-          set: function set$$1(x2) {
-            this._x2 = x2;this._segmentChanged();
-          },
-          enumerable: true },
-        y2: {
-          get: function get$$1() {
-            return this._y2;
-          },
-          set: function set$$1(y2) {
-            this._y2 = y2;this._segmentChanged();
-          },
-          enumerable: true }
-      });
-
-      var _SVGPathSegCurvetoCubicSmoothRel = function (_SVGPathSeg18) {
-        inherits(_SVGPathSegCurvetoCubicSmoothRel, _SVGPathSeg18);
-
-        function _SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, x, y, x2, y2) {
-          classCallCheck(this, _SVGPathSegCurvetoCubicSmoothRel);
-
-          var _this17 = possibleConstructorReturn(this, (_SVGPathSegCurvetoCubicSmoothRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoCubicSmoothRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, 's', owningPathSegList));
-
-          _this17._x = x;
-          _this17._y = y;
-          _this17._x2 = x2;
-          _this17._y2 = y2;
-          return _this17;
-        }
-
-        createClass(_SVGPathSegCurvetoCubicSmoothRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoCubicSmoothRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoCubicSmoothRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x2 + ' ' + this._y2 + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoCubicSmoothRel(undefined, this._x, this._y, this._x2, this._y2);
           }
         }]);
+
         return _SVGPathSegCurvetoCubicSmoothRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoCubicSmoothRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         x2: {
-          get: function get$$1() {
+          get: function get() {
             return this._x2;
           },
-          set: function set$$1(x2) {
-            this._x2 = x2;this._segmentChanged();
+          set: function set(x2) {
+            this._x2 = x2;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y2: {
-          get: function get$$1() {
+          get: function get() {
             return this._y2;
           },
-          set: function set$$1(y2) {
-            this._y2 = y2;this._segmentChanged();
+          set: function set(y2) {
+            this._y2 = y2;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegCurvetoQuadraticSmoothAbs = function (_SVGPathSeg19) {
-        inherits(_SVGPathSegCurvetoQuadraticSmoothAbs, _SVGPathSeg19);
+      var _SVGPathSegCurvetoQuadraticSmoothAbs =
+      /*#__PURE__*/
+      function (_SVGPathSeg19) {
+        _inherits(_SVGPathSegCurvetoQuadraticSmoothAbs, _SVGPathSeg19);
 
         function _SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothAbs);
+          var _this17;
 
-          var _this18 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticSmoothAbs.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothAbs)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, 'T', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothAbs);
 
-          _this18._x = x;
-          _this18._y = y;
-          return _this18;
+          _this17 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothAbs).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, 'T', owningPathSegList));
+          _this17._x = x;
+          _this17._y = y;
+          return _this17;
         }
 
-        createClass(_SVGPathSegCurvetoQuadraticSmoothAbs, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoQuadraticSmoothAbs, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoQuadraticSmoothAbs]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoQuadraticSmoothAbs(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegCurvetoQuadraticSmoothAbs;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoQuadraticSmoothAbs.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
+          set: function set(y) {
+            this._y = y;
+
+            this._segmentChanged();
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
 
-      var _SVGPathSegCurvetoQuadraticSmoothRel = function (_SVGPathSeg20) {
-        inherits(_SVGPathSegCurvetoQuadraticSmoothRel, _SVGPathSeg20);
+      var _SVGPathSegCurvetoQuadraticSmoothRel =
+      /*#__PURE__*/
+      function (_SVGPathSeg20) {
+        _inherits(_SVGPathSegCurvetoQuadraticSmoothRel, _SVGPathSeg20);
 
         function _SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, x, y) {
-          classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothRel);
+          var _this18;
 
-          var _this19 = possibleConstructorReturn(this, (_SVGPathSegCurvetoQuadraticSmoothRel.__proto__ || Object.getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothRel)).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, 't', owningPathSegList));
+          _classCallCheck(this, _SVGPathSegCurvetoQuadraticSmoothRel);
 
-          _this19._x = x;
-          _this19._y = y;
-          return _this19;
+          _this18 = _possibleConstructorReturn(this, _getPrototypeOf(_SVGPathSegCurvetoQuadraticSmoothRel).call(this, _SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, 't', owningPathSegList));
+          _this18._x = x;
+          _this18._y = y;
+          return _this18;
         }
 
-        createClass(_SVGPathSegCurvetoQuadraticSmoothRel, [{
-          key: 'toString',
+        _createClass(_SVGPathSegCurvetoQuadraticSmoothRel, [{
+          key: "toString",
           value: function toString() {
             return '[object SVGPathSegCurvetoQuadraticSmoothRel]';
           }
         }, {
-          key: '_asPathString',
+          key: "_asPathString",
           value: function _asPathString() {
             return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;
           }
         }, {
-          key: 'clone',
+          key: "clone",
           value: function clone() {
             return new _SVGPathSegCurvetoQuadraticSmoothRel(undefined, this._x, this._y);
           }
         }]);
+
         return _SVGPathSegCurvetoQuadraticSmoothRel;
       }(_SVGPathSeg);
 
       Object.defineProperties(_SVGPathSegCurvetoQuadraticSmoothRel.prototype, {
         x: {
-          get: function get$$1() {
+          get: function get() {
             return this._x;
           },
-          set: function set$$1(x) {
-            this._x = x;this._segmentChanged();
+          set: function set(x) {
+            this._x = x;
+
+            this._segmentChanged();
           },
-          enumerable: true },
+          enumerable: true
+        },
         y: {
-          get: function get$$1() {
+          get: function get() {
             return this._y;
           },
-          set: function set$$1(y) {
-            this._y = y;this._segmentChanged();
-          },
-          enumerable: true }
-      });
+          set: function set(y) {
+            this._y = y;
 
-      // Add createSVGPathSeg* functions to SVGPathElement.
+            this._segmentChanged();
+          },
+          enumerable: true
+        }
+      }); // Add createSVGPathSeg* functions to SVGPathElement.
       // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathElement.
+
       SVGPathElement.prototype.createSVGPathSegClosePath = function () {
         return new _SVGPathSegClosePath(undefined);
       };
+
       SVGPathElement.prototype.createSVGPathSegMovetoAbs = function (x, y) {
         return new _SVGPathSegMovetoAbs(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegMovetoRel = function (x, y) {
         return new _SVGPathSegMovetoRel(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoAbs = function (x, y) {
         return new _SVGPathSegLinetoAbs(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoRel = function (x, y) {
         return new _SVGPathSegLinetoRel(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoCubicAbs = function (x, y, x1, y1, x2, y2) {
         return new _SVGPathSegCurvetoCubicAbs(undefined, x, y, x1, y1, x2, y2);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoCubicRel = function (x, y, x1, y1, x2, y2) {
         return new _SVGPathSegCurvetoCubicRel(undefined, x, y, x1, y1, x2, y2);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticAbs = function (x, y, x1, y1) {
         return new _SVGPathSegCurvetoQuadraticAbs(undefined, x, y, x1, y1);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticRel = function (x, y, x1, y1) {
         return new _SVGPathSegCurvetoQuadraticRel(undefined, x, y, x1, y1);
       };
+
       SVGPathElement.prototype.createSVGPathSegArcAbs = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
         return new _SVGPathSegArcAbs(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
       };
+
       SVGPathElement.prototype.createSVGPathSegArcRel = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {
         return new _SVGPathSegArcRel(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoHorizontalAbs = function (x) {
         return new _SVGPathSegLinetoHorizontalAbs(undefined, x);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel = function (x) {
         return new _SVGPathSegLinetoHorizontalRel(undefined, x);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs = function (y) {
         return new _SVGPathSegLinetoVerticalAbs(undefined, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel = function (y) {
         return new _SVGPathSegLinetoVerticalRel(undefined, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs = function (x, y, x2, y2) {
         return new _SVGPathSegCurvetoCubicSmoothAbs(undefined, x, y, x2, y2);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel = function (x, y, x2, y2) {
         return new _SVGPathSegCurvetoCubicSmoothRel(undefined, x, y, x2, y2);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs = function (x, y) {
         return new _SVGPathSegCurvetoQuadraticSmoothAbs(undefined, x, y);
       };
+
       SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel = function (x, y) {
         return new _SVGPathSegCurvetoQuadraticSmoothRel(undefined, x, y);
       };
@@ -1509,20 +1837,22 @@
 
           var measurementElement = document.createElementNS('http://www.w3.org/2000/svg', 'path');
           measurementElement.setAttribute('d', this.getAttribute('d'));
-          var lastPathSegment = measurementElement.pathSegList.numberOfItems - 1;
+          var lastPathSegment = measurementElement.pathSegList.numberOfItems - 1; // If the path is empty, return 0.
 
-          // If the path is empty, return 0.
           if (lastPathSegment <= 0) {
             return 0;
           }
 
           do {
             measurementElement.pathSegList.removeItem(lastPathSegment);
+
             if (distance > measurementElement.getTotalLength()) {
               break;
             }
+
             lastPathSegment--;
           } while (lastPathSegment > 0);
+
           return lastPathSegment;
         };
       }
@@ -1547,127 +1877,141 @@
       window.SVGPathSegCurvetoCubicSmoothRel = _SVGPathSegCurvetoCubicSmoothRel;
       window.SVGPathSegCurvetoQuadraticSmoothAbs = _SVGPathSegCurvetoQuadraticSmoothAbs;
       window.SVGPathSegCurvetoQuadraticSmoothRel = _SVGPathSegCurvetoQuadraticSmoothRel;
-    }
-
-    // Checking for SVGPathSegList in window checks for the case of an implementation without the
+    } // Checking for SVGPathSegList in window checks for the case of an implementation without the
     // SVGPathSegList API.
     // The second check for appendItem is specific to Firefox 59+ which removed only parts of the
     // SVGPathSegList API (e.g., appendItem). In this case we need to re-implement the entire API
     // so the polyfill data (i.e., _list) is used throughout.
+
+
     if (!('SVGPathSegList' in window) || !('appendItem' in window.SVGPathSegList.prototype)) {
       // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSegList
-      var SVGPathSegList = function () {
+      var SVGPathSegList =
+      /*#__PURE__*/
+      function () {
         function SVGPathSegList(pathElement) {
-          classCallCheck(this, SVGPathSegList);
+          _classCallCheck(this, SVGPathSegList);
 
           this._pathElement = pathElement;
-          this._list = this._parsePath(this._pathElement.getAttribute('d'));
+          this._list = this._parsePath(this._pathElement.getAttribute('d')); // Use a MutationObserver to catch changes to the path's "d" attribute.
 
-          // Use a MutationObserver to catch changes to the path's "d" attribute.
-          this._mutationObserverConfig = { attributes: true, attributeFilter: ['d'] };
+          this._mutationObserverConfig = {
+            attributes: true,
+            attributeFilter: ['d']
+          };
           this._pathElementMutationObserver = new MutationObserver(this._updateListFromPathMutations.bind(this));
+
           this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
-        }
-        // Process any pending mutations to the path element and update the list as needed.
+        } // Process any pending mutations to the path element and update the list as needed.
         // This should be the first call of all public functions and is needed because
         // MutationObservers are not synchronous so we can have pending asynchronous mutations.
 
 
-        createClass(SVGPathSegList, [{
-          key: '_checkPathSynchronizedToList',
+        _createClass(SVGPathSegList, [{
+          key: "_checkPathSynchronizedToList",
           value: function _checkPathSynchronizedToList() {
             this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords());
           }
         }, {
-          key: '_updateListFromPathMutations',
+          key: "_updateListFromPathMutations",
           value: function _updateListFromPathMutations(mutationRecords) {
             if (!this._pathElement) {
               return;
             }
+
             var hasPathMutations = false;
             mutationRecords.forEach(function (record) {
               if (record.attributeName === 'd') {
                 hasPathMutations = true;
               }
             });
+
             if (hasPathMutations) {
               this._list = this._parsePath(this._pathElement.getAttribute('d'));
             }
-          }
-
-          // Serialize the list and update the path's 'd' attribute.
+          } // Serialize the list and update the path's 'd' attribute.
 
         }, {
-          key: '_writeListToPath',
+          key: "_writeListToPath",
           value: function _writeListToPath() {
             this._pathElementMutationObserver.disconnect();
-            this._pathElement.setAttribute('d', SVGPathSegList._pathSegArrayAsString(this._list));
-            this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
-          }
 
-          // When a path segment changes the list needs to be synchronized back to the path element.
+            this._pathElement.setAttribute('d', SVGPathSegList._pathSegArrayAsString(this._list));
+
+            this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);
+          } // When a path segment changes the list needs to be synchronized back to the path element.
 
         }, {
-          key: 'segmentChanged',
+          key: "segmentChanged",
           value: function segmentChanged(pathSeg) {
             this._writeListToPath();
           }
         }, {
-          key: 'clear',
+          key: "clear",
           value: function clear() {
             this._checkPathSynchronizedToList();
 
             this._list.forEach(function (pathSeg) {
               pathSeg._owningPathSegList = null;
             });
+
             this._list = [];
+
             this._writeListToPath();
           }
         }, {
-          key: 'initialize',
+          key: "initialize",
           value: function initialize(newItem) {
             this._checkPathSynchronizedToList();
 
             this._list = [newItem];
             newItem._owningPathSegList = this;
+
             this._writeListToPath();
+
             return newItem;
           }
         }, {
-          key: '_checkValidIndex',
+          key: "_checkValidIndex",
           value: function _checkValidIndex(index) {
             if (isNaN(index) || index < 0 || index >= this.numberOfItems) {
               throw new Error('INDEX_SIZE_ERR');
             }
           }
         }, {
-          key: 'getItem',
+          key: "getItem",
           value: function getItem(index) {
             this._checkPathSynchronizedToList();
 
             this._checkValidIndex(index);
+
             return this._list[index];
           }
         }, {
-          key: 'insertItemBefore',
+          key: "insertItemBefore",
           value: function insertItemBefore(newItem, index) {
-            this._checkPathSynchronizedToList();
+            this._checkPathSynchronizedToList(); // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.
+
 
-            // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.
             if (index > this.numberOfItems) {
               index = this.numberOfItems;
             }
+
             if (newItem._owningPathSegList) {
               // SVG2 spec says to make a copy.
               newItem = newItem.clone();
             }
+
             this._list.splice(index, 0, newItem);
+
             newItem._owningPathSegList = this;
+
             this._writeListToPath();
+
             return newItem;
           }
         }, {
-          key: 'replaceItem',
+          key: "replaceItem",
           value: function replaceItem(newItem, index) {
             this._checkPathSynchronizedToList();
 
@@ -1675,25 +2019,33 @@
               // SVG2 spec says to make a copy.
               newItem = newItem.clone();
             }
+
             this._checkValidIndex(index);
+
             this._list[index] = newItem;
             newItem._owningPathSegList = this;
+
             this._writeListToPath();
+
             return newItem;
           }
         }, {
-          key: 'removeItem',
+          key: "removeItem",
           value: function removeItem(index) {
             this._checkPathSynchronizedToList();
 
             this._checkValidIndex(index);
+
             var item = this._list[index];
+
             this._list.splice(index, 1);
+
             this._writeListToPath();
+
             return item;
           }
         }, {
-          key: 'appendItem',
+          key: "appendItem",
           value: function appendItem(newItem) {
             this._checkPathSynchronizedToList();
 
@@ -1701,17 +2053,18 @@
               // SVG2 spec says to make a copy.
               newItem = newItem.clone();
             }
-            this._list.push(newItem);
-            newItem._owningPathSegList = this;
-            // TODO: Optimize this to just append to the existing attribute.
-            this._writeListToPath();
-            return newItem;
-          }
 
-          // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.
+            this._list.push(newItem);
+
+            newItem._owningPathSegList = this; // TODO: Optimize this to just append to the existing attribute.
+
+            this._writeListToPath();
+
+            return newItem;
+          } // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.
 
         }, {
-          key: '_parsePath',
+          key: "_parsePath",
           value: function _parsePath(string) {
             if (!string || !string.length) {
               return [];
@@ -1719,25 +2072,30 @@
 
             var owningPathSegList = this;
 
-            var Builder = function () {
+            var Builder =
+            /*#__PURE__*/
+            function () {
               function Builder() {
-                classCallCheck(this, Builder);
+                _classCallCheck(this, Builder);
 
                 this.pathSegList = [];
               }
 
-              createClass(Builder, [{
-                key: 'appendSegment',
+              _createClass(Builder, [{
+                key: "appendSegment",
                 value: function appendSegment(pathSeg) {
                   this.pathSegList.push(pathSeg);
                 }
               }]);
+
               return Builder;
             }();
 
-            var Source = function () {
+            var Source =
+            /*#__PURE__*/
+            function () {
               function Source(string) {
-                classCallCheck(this, Source);
+                _classCallCheck(this, Source);
 
                 this._string = string;
                 this._currentIndex = 0;
@@ -1747,124 +2105,149 @@
                 this._skipOptionalSpaces();
               }
 
-              createClass(Source, [{
-                key: '_isCurrentSpace',
+              _createClass(Source, [{
+                key: "_isCurrentSpace",
                 value: function _isCurrentSpace() {
                   var character = this._string[this._currentIndex];
                   return character <= ' ' && (character === ' ' || character === '\n' || character === '\t' || character === '\r' || character === '\f');
                 }
               }, {
-                key: '_skipOptionalSpaces',
+                key: "_skipOptionalSpaces",
                 value: function _skipOptionalSpaces() {
                   while (this._currentIndex < this._endIndex && this._isCurrentSpace()) {
                     this._currentIndex++;
                   }
+
                   return this._currentIndex < this._endIndex;
                 }
               }, {
-                key: '_skipOptionalSpacesOrDelimiter',
+                key: "_skipOptionalSpacesOrDelimiter",
                 value: function _skipOptionalSpacesOrDelimiter() {
                   if (this._currentIndex < this._endIndex && !this._isCurrentSpace() && this._string.charAt(this._currentIndex) !== ',') {
                     return false;
                   }
+
                   if (this._skipOptionalSpaces()) {
                     if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === ',') {
                       this._currentIndex++;
+
                       this._skipOptionalSpaces();
                     }
                   }
+
                   return this._currentIndex < this._endIndex;
                 }
               }, {
-                key: 'hasMoreData',
+                key: "hasMoreData",
                 value: function hasMoreData() {
                   return this._currentIndex < this._endIndex;
                 }
               }, {
-                key: 'peekSegmentType',
+                key: "peekSegmentType",
                 value: function peekSegmentType() {
                   var lookahead = this._string[this._currentIndex];
                   return this._pathSegTypeFromChar(lookahead);
                 }
               }, {
-                key: '_pathSegTypeFromChar',
+                key: "_pathSegTypeFromChar",
                 value: function _pathSegTypeFromChar(lookahead) {
                   switch (lookahead) {
                     case 'Z':
                     case 'z':
                       return SVGPathSeg.PATHSEG_CLOSEPATH;
+
                     case 'M':
                       return SVGPathSeg.PATHSEG_MOVETO_ABS;
+
                     case 'm':
                       return SVGPathSeg.PATHSEG_MOVETO_REL;
+
                     case 'L':
                       return SVGPathSeg.PATHSEG_LINETO_ABS;
+
                     case 'l':
                       return SVGPathSeg.PATHSEG_LINETO_REL;
+
                     case 'C':
                       return SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;
+
                     case 'c':
                       return SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;
+
                     case 'Q':
                       return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;
+
                     case 'q':
                       return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;
+
                     case 'A':
                       return SVGPathSeg.PATHSEG_ARC_ABS;
+
                     case 'a':
                       return SVGPathSeg.PATHSEG_ARC_REL;
+
                     case 'H':
                       return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;
+
                     case 'h':
                       return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;
+
                     case 'V':
                       return SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;
+
                     case 'v':
                       return SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;
+
                     case 'S':
                       return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;
+
                     case 's':
                       return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;
+
                     case 'T':
                       return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;
+
                     case 't':
                       return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;
+
                     default:
                       return SVGPathSeg.PATHSEG_UNKNOWN;
                   }
                 }
               }, {
-                key: '_nextCommandHelper',
+                key: "_nextCommandHelper",
                 value: function _nextCommandHelper(lookahead, previousCommand) {
                   // Check for remaining coordinates in the current command.
                   if ((lookahead === '+' || lookahead === '-' || lookahead === '.' || lookahead >= '0' && lookahead <= '9') && previousCommand !== SVGPathSeg.PATHSEG_CLOSEPATH) {
                     if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_ABS) {
                       return SVGPathSeg.PATHSEG_LINETO_ABS;
                     }
+
                     if (previousCommand === SVGPathSeg.PATHSEG_MOVETO_REL) {
                       return SVGPathSeg.PATHSEG_LINETO_REL;
                     }
+
                     return previousCommand;
                   }
+
                   return SVGPathSeg.PATHSEG_UNKNOWN;
                 }
               }, {
-                key: 'initialCommandIsMoveTo',
+                key: "initialCommandIsMoveTo",
                 value: function initialCommandIsMoveTo() {
                   // If the path is empty it is still valid, so return true.
                   if (!this.hasMoreData()) {
                     return true;
                   }
-                  var command = this.peekSegmentType();
-                  // Path must start with moveTo.
-                  return command === SVGPathSeg.PATHSEG_MOVETO_ABS || command === SVGPathSeg.PATHSEG_MOVETO_REL;
-                }
 
-                // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.
+                  var command = this.peekSegmentType(); // Path must start with moveTo.
+
+                  return command === SVGPathSeg.PATHSEG_MOVETO_ABS || command === SVGPathSeg.PATHSEG_MOVETO_REL;
+                } // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.
                 // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-PathDataBNF
 
               }, {
-                key: '_parseNumber',
+                key: "_parseNumber",
                 value: function _parseNumber() {
                   var exponent = 0;
                   var integer = 0;
@@ -1872,12 +2255,11 @@
                   var decimal = 0;
                   var sign = 1;
                   var expsign = 1;
-
                   var startIndex = this._currentIndex;
 
-                  this._skipOptionalSpaces();
+                  this._skipOptionalSpaces(); // Read the sign.
+
 
-                  // Read the sign.
                   if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '+') {
                     this._currentIndex++;
                   } else if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '-') {
@@ -1888,10 +2270,11 @@
                   if (this._currentIndex === this._endIndex || (this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') && this._string.charAt(this._currentIndex) !== '.') {
                     // The first character of a number must be one of [0-9+-.].
                     return undefined;
-                  }
+                  } // Read the integer part, build right-to-left.
+
 
-                  // Read the integer part, build right-to-left.
                   var startIntPartIndex = this._currentIndex;
+
                   while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {
                     this._currentIndex++; // Advance to first non-digit.
                   }
@@ -1899,40 +2282,40 @@
                   if (this._currentIndex !== startIntPartIndex) {
                     var scanIntPartIndex = this._currentIndex - 1;
                     var multiplier = 1;
+
                     while (scanIntPartIndex >= startIntPartIndex) {
                       integer += multiplier * (this._string.charAt(scanIntPartIndex--) - '0');
                       multiplier *= 10;
                     }
-                  }
+                  } // Read the decimals.
+
 
-                  // Read the decimals.
                   if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) === '.') {
-                    this._currentIndex++;
+                    this._currentIndex++; // There must be a least one digit following the .
 
-                    // There must be a least one digit following the .
                     if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {
                       return undefined;
                     }
+
                     while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= '0' && this._string.charAt(this._currentIndex) <= '9') {
                       frac *= 10;
                       decimal += (this._string.charAt(this._currentIndex) - '0') / frac;
                       this._currentIndex += 1;
                     }
-                  }
+                  } // Read the exponent part.
+
 
-                  // Read the exponent part.
                   if (this._currentIndex !== startIndex && this._currentIndex + 1 < this._endIndex && (this._string.charAt(this._currentIndex) === 'e' || this._string.charAt(this._currentIndex) === 'E') && this._string.charAt(this._currentIndex + 1) !== 'x' && this._string.charAt(this._currentIndex + 1) !== 'm') {
-                    this._currentIndex++;
+                    this._currentIndex++; // Read the sign of the exponent.
 
-                    // Read the sign of the exponent.
                     if (this._string.charAt(this._currentIndex) === '+') {
                       this._currentIndex++;
                     } else if (this._string.charAt(this._currentIndex) === '-') {
                       this._currentIndex++;
                       expsign = -1;
-                    }
+                    } // There must be an exponent.
+
 
-                    // There must be an exponent.
                     if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < '0' || this._string.charAt(this._currentIndex) > '9') {
                       return undefined;
                     }
@@ -1960,13 +2343,16 @@
                   return number;
                 }
               }, {
-                key: '_parseArcFlag',
+                key: "_parseArcFlag",
                 value: function _parseArcFlag() {
                   if (this._currentIndex >= this._endIndex) {
                     return undefined;
                   }
+
                   var flag = false;
+
                   var flagChar = this._string.charAt(this._currentIndex++);
+
                   if (flagChar === '0') {
                     flag = false;
                   } else if (flagChar === '1') {
@@ -1976,19 +2362,24 @@
                   }
 
                   this._skipOptionalSpacesOrDelimiter();
+
                   return flag;
                 }
               }, {
-                key: 'parseSegment',
+                key: "parseSegment",
                 value: function parseSegment() {
                   var lookahead = this._string[this._currentIndex];
+
                   var command = this._pathSegTypeFromChar(lookahead);
+
                   if (command === SVGPathSeg.PATHSEG_UNKNOWN) {
                     // Possibly an implicit command. Not allowed if this is the first command.
                     if (this._previousCommand === SVGPathSeg.PATHSEG_UNKNOWN) {
                       return null;
                     }
+
                     command = this._nextCommandHelper(lookahead, this._previousCommand);
+
                     if (command === SVGPathSeg.PATHSEG_UNKNOWN) {
                       return null;
                     }
@@ -2001,63 +2392,141 @@
                   switch (command) {
                     case SVGPathSeg.PATHSEG_MOVETO_REL:
                       return new SVGPathSegMovetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_MOVETO_ABS:
                       return new SVGPathSegMovetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_REL:
                       return new SVGPathSegLinetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_ABS:
                       return new SVGPathSegLinetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:
                       return new SVGPathSegLinetoHorizontalRel(owningPathSegList, this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:
                       return new SVGPathSegLinetoHorizontalAbs(owningPathSegList, this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:
                       return new SVGPathSegLinetoVerticalRel(owningPathSegList, this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:
                       return new SVGPathSegLinetoVerticalAbs(owningPathSegList, this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_CLOSEPATH:
                       this._skipOptionalSpaces();
+
                       return new SVGPathSegClosePath(owningPathSegList);
+
                     case SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:
                       {
-                        var _points = { x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          x2: this._parseNumber(),
+                          y2: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoCubicRel(owningPathSegList, _points.x, _points.y, _points.x1, _points.y1, _points.x2, _points.y2);
-                      }case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:
                       {
-                        var _points2 = { x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points2 = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          x2: this._parseNumber(),
+                          y2: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoCubicAbs(owningPathSegList, _points2.x, _points2.y, _points2.x1, _points2.y1, _points2.x2, _points2.y2);
-                      }case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:
                       {
-                        var _points3 = { x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points3 = {
+                          x2: this._parseNumber(),
+                          y2: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, _points3.x, _points3.y, _points3.x2, _points3.y2);
-                      }case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:
                       {
-                        var _points4 = { x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points4 = {
+                          x2: this._parseNumber(),
+                          y2: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, _points4.x, _points4.y, _points4.x2, _points4.y2);
-                      }case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:
                       {
-                        var _points5 = { x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points5 = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegCurvetoQuadraticRel(owningPathSegList, _points5.x, _points5.y, _points5.x1, _points5.y1);
-                      }case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:
-                      var points = { x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() };
+                      }
+
+                    case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:
+                      var points = {
+                        x1: this._parseNumber(),
+                        y1: this._parseNumber(),
+                        x: this._parseNumber(),
+                        y: this._parseNumber()
+                      };
                       return new SVGPathSegCurvetoQuadraticAbs(owningPathSegList, points.x, points.y, points.x1, points.y1);
+
                     case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:
                       return new SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:
                       return new SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, this._parseNumber(), this._parseNumber());
+
                     case SVGPathSeg.PATHSEG_ARC_REL:
                       {
-                        var _points6 = { x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points6 = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          arcAngle: this._parseNumber(),
+                          arcLarge: this._parseArcFlag(),
+                          arcSweep: this._parseArcFlag(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegArcRel(owningPathSegList, _points6.x, _points6.y, _points6.x1, _points6.y1, _points6.arcAngle, _points6.arcLarge, _points6.arcSweep);
-                      }case SVGPathSeg.PATHSEG_ARC_ABS:
+                      }
+
+                    case SVGPathSeg.PATHSEG_ARC_ABS:
                       {
-                        var _points7 = { x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber() };
+                        var _points7 = {
+                          x1: this._parseNumber(),
+                          y1: this._parseNumber(),
+                          arcAngle: this._parseNumber(),
+                          arcLarge: this._parseArcFlag(),
+                          arcSweep: this._parseArcFlag(),
+                          x: this._parseNumber(),
+                          y: this._parseNumber()
+                        };
                         return new SVGPathSegArcAbs(owningPathSegList, _points7.x, _points7.y, _points7.x1, _points7.y1, _points7.arcAngle, _points7.arcLarge, _points7.arcSweep);
-                      }default:
+                      }
+
+                    default:
                       throw new Error('Unknown path seg type.');
                   }
                 }
               }]);
+
               return Source;
             }();
 
@@ -2067,28 +2536,31 @@
             if (!source.initialCommandIsMoveTo()) {
               return [];
             }
+
             while (source.hasMoreData()) {
               var pathSeg = source.parseSegment();
+
               if (!pathSeg) {
                 return [];
               }
+
               builder.appendSegment(pathSeg);
             }
 
             return builder.pathSegList;
           }
         }]);
+
         return SVGPathSegList;
       }();
 
       SVGPathSegList.prototype.classname = 'SVGPathSegList';
-
       Object.defineProperty(SVGPathSegList.prototype, 'numberOfItems', {
-        get: function get$$1() {
+        get: function get() {
           this._checkPathSynchronizedToList();
+
           return this._list.length;
         },
-
         enumerable: true
       });
 
@@ -2104,56 +2576,55 @@
           }
         });
         return string;
-      };
-
-      // Add the pathSegList accessors to SVGPathElement.
+      }; // Add the pathSegList accessors to SVGPathElement.
       // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGAnimatedPathData
+
+
       Object.defineProperties(SVGPathElement.prototype, {
         pathSegList: {
-          get: function get$$1() {
+          get: function get() {
             if (!this._pathSegList) {
               this._pathSegList = new SVGPathSegList(this);
             }
+
             return this._pathSegList;
           },
-
           enumerable: true
         },
         // FIXME: The following are not implemented and simply return SVGPathElement.pathSegList.
         normalizedPathSegList: {
-          get: function get$$1() {
+          get: function get() {
             return this.pathSegList;
           },
-          enumerable: true },
+          enumerable: true
+        },
         animatedPathSegList: {
-          get: function get$$1() {
+          get: function get() {
             return this.pathSegList;
           },
-          enumerable: true },
+          enumerable: true
+        },
         animatedNormalizedPathSegList: {
-          get: function get$$1() {
+          get: function get() {
             return this.pathSegList;
           },
-          enumerable: true }
+          enumerable: true
+        }
       });
       window.SVGPathSegList = SVGPathSegList;
     }
   })();
 
   /* globals jQuery */
-
   var $ = jQuery;
 
   var supportsSVG_ = function () {
     return !!document.createElementNS && !!document.createElementNS(NS.SVG, 'svg').createSVGRect;
   }();
-
   var _navigator = navigator,
       userAgent = _navigator.userAgent;
+  var svg = document.createElementNS(NS.SVG, 'svg'); // Note: Browser sniffing should only be used if no other detection method is possible
 
-  var svg = document.createElementNS(NS.SVG, 'svg');
-
-  // Note: Browser sniffing should only be used if no other detection method is possible
   var isOpera_ = !!window.opera;
   var isWebkit_ = userAgent.includes('AppleWebKit');
   var isGecko_ = userAgent.includes('Gecko/');
@@ -2169,18 +2640,20 @@
 
   var supportsXpath_ = function () {
     return !!document.evaluate;
-  }();
+  }(); // segList functions (for FF1.5 and 2.0)
+
 
-  // segList functions (for FF1.5 and 2.0)
   var supportsPathReplaceItem_ = function () {
     var path = document.createElementNS(NS.SVG, 'path');
     path.setAttribute('d', 'M0,0 10,10');
     var seglist = path.pathSegList;
     var seg = path.createSVGPathSegLinetoAbs(5, 5);
+
     try {
       seglist.replaceItem(seg, 1);
       return true;
     } catch (err) {}
+
     return false;
   }();
 
@@ -2189,14 +2662,16 @@
     path.setAttribute('d', 'M0,0 10,10');
     var seglist = path.pathSegList;
     var seg = path.createSVGPathSegLinetoAbs(5, 5);
+
     try {
       seglist.insertItemBefore(seg, 1);
       return true;
     } catch (err) {}
-    return false;
-  }();
 
-  // text character positioning (for IE9)
+    return false;
+  }(); // text character positioning (for IE9)
+
+
   var supportsGoodTextCharPos_ = function () {
     var svgroot = document.createElementNS(NS.SVG, 'svg');
     var svgcontent = document.createElementNS(NS.SVG, 'svg');
@@ -2220,9 +2695,9 @@
     var bbox = path.getBBox();
     svgcontent.remove();
     return bbox.height > 4 && bbox.height < 5;
-  }();
+  }(); // Support for correct bbox sizing on groups with horizontal/vertical lines
+
 
-  // Support for correct bbox sizing on groups with horizontal/vertical lines
   var supportsHVLineContainerBBox_ = function () {
     var svgcontent = document.createElementNS(NS.SVG, 'svg');
     document.documentElement.append(svgcontent);
@@ -2234,8 +2709,8 @@
     g.append(path, path2);
     svgcontent.append(g);
     var bbox = g.getBBox();
-    svgcontent.remove();
-    // Webkit gives 0, FF gives 10, Opera (correctly) gives 15
+    svgcontent.remove(); // Webkit gives 0, FF gives 10, Opera (correctly) gives 15
+
     return bbox.width === 15;
   }();
 
@@ -2245,10 +2720,12 @@
     rect.setAttribute('x', 0.1);
     var crect = rect.cloneNode(false);
     var retValue = !crect.getAttribute('x').includes(',');
+
     if (!retValue) {
       // Todo: i18nize or remove
       $.alert('NOTE: This version of Opera is known to contain bugs in SVG-edit.\n' + 'Please upgrade to the <a href="http://opera.com">latest version</a> in which the problems have been fixed.');
     }
+
     return retValue;
   }();
 
@@ -2263,17 +2740,17 @@
     var rxform = rect.transform.baseVal;
     var t1 = svg.createSVGTransform();
     rxform.appendItem(t1);
-    var r1 = rxform.getItem(0);
-    // Todo: Do frame-independent instance checking
-    return r1 instanceof SVGTransform && t1 instanceof SVGTransform && r1.type === t1.type && r1.angle === t1.angle && r1.matrix.a === t1.matrix.a && r1.matrix.b === t1.matrix.b && r1.matrix.c === t1.matrix.c && r1.matrix.d === t1.matrix.d && r1.matrix.e === t1.matrix.e && r1.matrix.f === t1.matrix.f;
-  }();
+    var r1 = rxform.getItem(0); // Todo: Do frame-independent instance checking
 
-  // Public API
+    return r1 instanceof SVGTransform && t1 instanceof SVGTransform && r1.type === t1.type && r1.angle === t1.angle && r1.matrix.a === t1.matrix.a && r1.matrix.b === t1.matrix.b && r1.matrix.c === t1.matrix.c && r1.matrix.d === t1.matrix.d && r1.matrix.e === t1.matrix.e && r1.matrix.f === t1.matrix.f;
+  }(); // Public API
 
   /**
    * @function module:browser.isOpera
    * @returns {boolean}
   */
+
+
   var isOpera = function isOpera() {
     return isOpera_;
   };
@@ -2281,6 +2758,7 @@
    * @function module:browser.isWebkit
    * @returns {boolean}
   */
+
   var isWebkit = function isWebkit() {
     return isWebkit_;
   };
@@ -2288,6 +2766,7 @@
    * @function module:browser.isGecko
    * @returns {boolean}
   */
+
   var isGecko = function isGecko() {
     return isGecko_;
   };
@@ -2295,6 +2774,7 @@
    * @function module:browser.isIE
    * @returns {boolean}
   */
+
   var isIE = function isIE() {
     return isIE_;
   };
@@ -2302,6 +2782,7 @@
    * @function module:browser.isChrome
    * @returns {boolean}
   */
+
   var isChrome = function isChrome() {
     return isChrome_;
   };
@@ -2309,6 +2790,7 @@
    * @function module:browser.isMac
    * @returns {boolean}
   */
+
   var isMac = function isMac() {
     return isMac_;
   };
@@ -2316,78 +2798,79 @@
    * @function module:browser.isTouch
    * @returns {boolean}
   */
+
   var isTouch = function isTouch() {
     return isTouch_;
   };
-
   /**
    * @function module:browser.supportsSelectors
    * @returns {boolean}
   */
+
   var supportsSelectors = function supportsSelectors() {
     return supportsSelectors_;
   };
-
   /**
    * @function module:browser.supportsXpath
    * @returns {boolean}
   */
+
   var supportsXpath = function supportsXpath() {
     return supportsXpath_;
   };
-
   /**
    * @function module:browser.supportsPathReplaceItem
    * @returns {boolean}
   */
+
   var supportsPathReplaceItem = function supportsPathReplaceItem() {
     return supportsPathReplaceItem_;
   };
-
   /**
    * @function module:browser.supportsPathInsertItemBefore
    * @returns {boolean}
   */
+
   var supportsPathInsertItemBefore = function supportsPathInsertItemBefore() {
     return supportsPathInsertItemBefore_;
   };
-
   /**
    * @function module:browser.supportsPathBBox
    * @returns {boolean}
   */
+
   var supportsPathBBox = function supportsPathBBox() {
     return supportsPathBBox_;
   };
-
   /**
    * @function module:browser.supportsHVLineContainerBBox
    * @returns {boolean}
   */
+
   var supportsHVLineContainerBBox = function supportsHVLineContainerBBox() {
     return supportsHVLineContainerBBox_;
   };
-
   /**
    * @function module:browser.supportsGoodTextCharPos
    * @returns {boolean}
   */
+
   var supportsGoodTextCharPos = function supportsGoodTextCharPos() {
     return supportsGoodTextCharPos_;
   };
-
   /**
   * @function module:browser.supportsNonScalingStroke
   * @returns {boolean}
   */
+
   var supportsNonScalingStroke = function supportsNonScalingStroke() {
     return supportsNonScalingStroke_;
   };
-
   /**
   * @function module:browser.supportsNativeTransformLists
   * @returns {boolean}
   */
+
   var supportsNativeTransformLists = function supportsNativeTransformLists() {
     return supportsNativeSVGTransformLists_;
   };
@@ -2418,20 +2901,24 @@
     /**
     * @typedef {PlainObject.<string, string|Float>} module:jQueryAttr.Attributes
     */
+
     /**
     * @function external:jQuery.fn.attr
     * @param {string|string[]|PlainObject.<string, string>} key
     * @param {string} value
     * @returns {external:jQuery|module:jQueryAttr.Attributes}
     */
+
     $.fn.attr = function (key, value) {
       var len = this.length;
+
       if (!len) {
         return proxied.apply(this, arguments);
       }
+
       for (var i = 0; i < len; ++i) {
-        var elem = this[i];
-        // set/get SVG attribute
+        var elem = this[i]; // set/get SVG attribute
+
         if (elem.namespaceURI === svgns) {
           // Setting attribute
           if (value !== undefined) {
@@ -2443,87 +2930,67 @@
 
             while (j--) {
               var aname = key[j];
-              var attr = elem.getAttribute(aname);
-              // This returns a number when appropriate
+              var attr = elem.getAttribute(aname); // This returns a number when appropriate
+
               if (attr || attr === '0') {
                 attr = isNaN(attr) ? attr : attr - 0;
               }
+
               obj[aname] = attr;
             }
+
             return obj;
           }
-          if ((typeof key === 'undefined' ? 'undefined' : _typeof(key)) === 'object') {
+
+          if (_typeof(key) === 'object') {
             // Setting attributes from object
-            var _iteratorNormalCompletion = true;
-            var _didIteratorError = false;
-            var _iteratorError = undefined;
+            var _arr = Object.entries(key);
 
-            try {
-              for (var _iterator = Object.entries(key)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
-                var _ref = _step.value;
+            for (var _i = 0; _i < _arr.length; _i++) {
+              var _arr$_i = _slicedToArray(_arr[_i], 2),
+                  name = _arr$_i[0],
+                  val = _arr$_i[1];
 
-                var _ref2 = slicedToArray(_ref, 2);
+              elem.setAttribute(name, val);
+            } // Getting attribute
 
-                var name = _ref2[0];
-                var val = _ref2[1];
-
-                elem.setAttribute(name, val);
-              }
-              // Getting attribute
-            } catch (err) {
-              _didIteratorError = true;
-              _iteratorError = err;
-            } finally {
-              try {
-                if (!_iteratorNormalCompletion && _iterator.return) {
-                  _iterator.return();
-                }
-              } finally {
-                if (_didIteratorError) {
-                  throw _iteratorError;
-                }
-              }
-            }
           } else {
             var _attr = elem.getAttribute(key);
+
             if (_attr || _attr === '0') {
               _attr = isNaN(_attr) ? _attr : _attr - 0;
             }
+
             return _attr;
           }
         } else {
           return proxied.apply(this, arguments);
         }
       }
+
       return this;
     };
+
     return $;
   }
 
-  /**
-   * Partial polyfill of `SVGTransformList`
-   * @module SVGTransformList
-   *
-   * @license MIT
-   *
-   * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller
-   */
+  var svgroot = document.createElementNS(NS.SVG, 'svg'); // Helper function.
 
-  var svgroot = document.createElementNS(NS.SVG, 'svg');
-
-  // Helper function.
   function transformToString(xform) {
     var m = xform.matrix;
     var text = '';
+
     switch (xform.type) {
       case 1:
         // MATRIX
         text = 'matrix(' + [m.a, m.b, m.c, m.d, m.e, m.f].join(',') + ')';
         break;
+
       case 2:
         // TRANSLATE
         text = 'translate(' + m.e + ',' + m.f + ')';
         break;
+
       case 3:
         // SCALE
         if (m.a === m.d) {
@@ -2531,49 +2998,57 @@
         } else {
           text = 'scale(' + m.a + ',' + m.d + ')';
         }
+
         break;
+
       case 4:
         {
           // ROTATE
           var cx = 0;
-          var cy = 0;
-          // this prevents divide by zero
+          var cy = 0; // this prevents divide by zero
+
           if (xform.angle !== 0) {
             var K = 1 - m.a;
             cy = (K * m.f + m.b * m.e) / (K * K + m.b * m.b);
             cx = (m.e - m.b * cy) / K;
           }
+
           text = 'rotate(' + xform.angle + ' ' + cx + ',' + cy + ')';
           break;
         }
     }
+
     return text;
   }
-
   /**
    * Map of SVGTransformList objects.
    */
-  var listMap_ = {};
 
+
+  var listMap_ = {};
   /**
   * @interface module:SVGTransformList.SVGEditTransformList
   * @property {Integer} numberOfItems unsigned long
   */
+
   /**
   * @function module:SVGTransformList.SVGEditTransformList#clear
   * @returns {undefined}
   */
+
   /**
   * @function module:SVGTransformList.SVGEditTransformList#initialize
   * @param {SVGTransform} newItem
   * @returns {SVGTransform}
   */
+
   /**
   * (DOES NOT THROW DOMException, INDEX_SIZE_ERR)
   * @function module:SVGTransformList.SVGEditTransformList#getItem
   * @param {Integer} index unsigned long
   * @returns {SVGTransform}
   */
+
   /**
   * (DOES NOT THROW DOMException, INDEX_SIZE_ERR)
   * @function module:SVGTransformList.SVGEditTransformList#insertItemBefore
@@ -2581,6 +3056,7 @@
   * @param {Integer} index unsigned long
   * @returns {SVGTransform}
   */
+
   /**
   * (DOES NOT THROW DOMException, INDEX_SIZE_ERR)
   * @function module:SVGTransformList.SVGEditTransformList#replaceItem
@@ -2588,17 +3064,20 @@
   * @param {Integer} index unsigned long
   * @returns {SVGTransform}
   */
+
   /**
   * (DOES NOT THROW DOMException, INDEX_SIZE_ERR)
   * @function module:SVGTransformList.SVGEditTransformList#removeItem
   * @param {Integer} index unsigned long
   * @returns {SVGTransform}
   */
+
   /**
   * @function module:SVGTransformList.SVGEditTransformList#appendItem
   * @param {SVGTransform} newItem
   * @returns {SVGTransform}
   */
+
   /**
   * NOT IMPLEMENTED
   * @ignore
@@ -2606,6 +3085,7 @@
   * @param {SVGMatrix} matrix
   * @returns {SVGTransform}
   */
+
   /**
   * NOT IMPLEMENTED
   * @ignore
@@ -2619,41 +3099,51 @@
   * These methods also do not check that transforms are being inserted.  This is basically
   * implementing as much of SVGTransformList that we need to get the job done.
   */
-  var SVGTransformList = function () {
+
+  var SVGTransformList =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {Element} elem
     */
     function SVGTransformList(elem) {
-      classCallCheck(this, SVGTransformList);
+      _classCallCheck(this, SVGTransformList);
 
       this._elem = elem || null;
-      this._xforms = [];
-      // TODO: how do we capture the undo-ability in the changed transform list?
+      this._xforms = []; // TODO: how do we capture the undo-ability in the changed transform list?
+
       this._update = function () {
-        var tstr = '';
-        // /* const concatMatrix = */ svgroot.createSVGMatrix();
+        var tstr = ''; // /* const concatMatrix = */ svgroot.createSVGMatrix();
+
         for (var i = 0; i < this.numberOfItems; ++i) {
           var xform = this._list.getItem(i);
+
           tstr += transformToString(xform) + ' ';
         }
+
         this._elem.setAttribute('transform', tstr);
       };
+
       this._list = this;
+
       this._init = function () {
         var _this = this;
 
         // Transform attribute parser
         var str = this._elem.getAttribute('transform');
+
         if (!str) {
           return;
-        }
+        } // TODO: Add skew support in future
+
 
-        // TODO: Add skew support in future
         var re = /\s*((scale|matrix|rotate|translate)\s*\(.*?\))\s*,?\s*/;
         var m = true;
+
         while (m) {
           m = str.match(re);
           str = str.replace(re, '');
+
           if (m && m[1]) {
             (function () {
               var x = m[1];
@@ -2666,6 +3156,7 @@
               var mtx = svgroot.createSVGMatrix();
               Object.values(valArr).forEach(function (item, i) {
                 valArr[i] = parseFloat(item);
+
                 if (name === 'matrix') {
                   mtx[letters[i]] = valArr[i];
                 }
@@ -2681,19 +3172,24 @@
               } else if (name === 'rotate' && values.length === 1) {
                 values.push(0, 0);
               }
+
               xform[fname].apply(xform, values);
+
               _this._list.appendItem(xform);
             })();
           }
         }
       };
+
       this._removeFromOtherLists = function (item) {
         if (item) {
           // Check if this transform is already in a transformlist, and
           // remove it if so.
           var found = false;
+
           for (var id in listMap_) {
             var tl = listMap_[id];
+
             for (var i = 0, len = tl._xforms.length; i < len; ++i) {
               if (tl._xforms[i] === item) {
                 found = true;
@@ -2701,6 +3197,7 @@
                 break;
               }
             }
+
             if (found) {
               break;
             }
@@ -2715,26 +3212,26 @@
     */
 
 
-    createClass(SVGTransformList, [{
-      key: 'clear',
+    _createClass(SVGTransformList, [{
+      key: "clear",
       value: function clear() {
         this.numberOfItems = 0;
         this._xforms = [];
       }
-
       /**
       * @param {SVGTransform} newItem
       * @returns {SVGTransform}
       */
 
     }, {
-      key: 'initialize',
+      key: "initialize",
       value: function initialize(newItem) {
         this.numberOfItems = 1;
+
         this._removeFromOtherLists(newItem);
+
         this._xforms = [newItem];
       }
-
       /**
       * @param {Integer} index unsigned long
       * @throws {Error}
@@ -2742,16 +3239,16 @@
       */
 
     }, {
-      key: 'getItem',
+      key: "getItem",
       value: function getItem(index) {
         if (index < this.numberOfItems && index >= 0) {
           return this._xforms[index];
         }
+
         var err = new Error('DOMException with code=INDEX_SIZE_ERR');
         err.code = 1;
         throw err;
       }
-
       /**
       * @param {SVGTransform} newItem
       * @param {Integer} index unsigned long
@@ -2759,33 +3256,40 @@
       */
 
     }, {
-      key: 'insertItemBefore',
+      key: "insertItemBefore",
       value: function insertItemBefore(newItem, index) {
         var retValue = null;
+
         if (index >= 0) {
           if (index < this.numberOfItems) {
             this._removeFromOtherLists(newItem);
-            var newxforms = new Array(this.numberOfItems + 1);
-            // TODO: use array copying and slicing
-            var i = void 0;
+
+            var newxforms = new Array(this.numberOfItems + 1); // TODO: use array copying and slicing
+
+            var i;
+
             for (i = 0; i < index; ++i) {
               newxforms[i] = this._xforms[i];
             }
+
             newxforms[i] = newItem;
+
             for (var j = i + 1; i < this.numberOfItems; ++j, ++i) {
               newxforms[j] = this._xforms[i];
             }
+
             this.numberOfItems++;
             this._xforms = newxforms;
             retValue = newItem;
+
             this._list._update();
           } else {
             retValue = this._list.appendItem(newItem);
           }
         }
+
         return retValue;
       }
-
       /**
       * @param {SVGTransform} newItem
       * @param {Integer} index unsigned long
@@ -2793,18 +3297,21 @@
       */
 
     }, {
-      key: 'replaceItem',
+      key: "replaceItem",
       value: function replaceItem(newItem, index) {
         var retValue = null;
+
         if (index < this.numberOfItems && index >= 0) {
           this._removeFromOtherLists(newItem);
+
           this._xforms[index] = newItem;
           retValue = newItem;
+
           this._list._update();
         }
+
         return retValue;
       }
-
       /**
       * @param {Integer} index unsigned long
       * @throws {Error}
@@ -2812,66 +3319,75 @@
       */
 
     }, {
-      key: 'removeItem',
+      key: "removeItem",
       value: function removeItem(index) {
         if (index < this.numberOfItems && index >= 0) {
           var retValue = this._xforms[index];
           var newxforms = new Array(this.numberOfItems - 1);
-          var i = void 0;
+          var i;
+
           for (i = 0; i < index; ++i) {
             newxforms[i] = this._xforms[i];
           }
+
           for (var j = i; j < this.numberOfItems - 1; ++j, ++i) {
             newxforms[j] = this._xforms[i + 1];
           }
+
           this.numberOfItems--;
           this._xforms = newxforms;
+
           this._list._update();
+
           return retValue;
         }
+
         var err = new Error('DOMException with code=INDEX_SIZE_ERR');
         err.code = 1;
         throw err;
       }
-
       /**
       * @param {SVGTransform} newItem
       * @returns {SVGTransform}
       */
 
     }, {
-      key: 'appendItem',
+      key: "appendItem",
       value: function appendItem(newItem) {
         this._removeFromOtherLists(newItem);
+
         this._xforms.push(newItem);
+
         this.numberOfItems++;
+
         this._list._update();
+
         return newItem;
       }
     }]);
+
     return SVGTransformList;
   }();
-
   /**
   * @function module:SVGTransformList.resetListMap
   * @returns {undefined}
   */
+
   var resetListMap = function resetListMap() {
     listMap_ = {};
   };
-
   /**
    * Removes transforms of the given element from the map.
    * @function module:SVGTransformList.removeElementFromListMap
    * @param {Element} elem - a DOM Element
    * @returns {undefined}
    */
+
   var removeElementFromListMap = function removeElementFromListMap(elem) {
     if (elem.id && listMap_[elem.id]) {
       delete listMap_[elem.id];
     }
   };
-
   /**
   * Returns an object that behaves like a `SVGTransformList` for the given DOM element
   * @function module:SVGTransformList.getTransformList
@@ -2879,23 +3395,31 @@
   * @todo The polyfill should have `SVGAnimatedTransformList` and this should use it
   * @returns {SVGAnimatedTransformList|SVGTransformList}
   */
+
   var getTransformList = function getTransformList(elem) {
     if (!supportsNativeTransformLists()) {
       var id = elem.id || 'temp';
       var t = listMap_[id];
+
       if (!t || id === 'temp') {
         listMap_[id] = new SVGTransformList(elem);
+
         listMap_[id]._init();
+
         t = listMap_[id];
       }
+
       return t;
     }
+
     if (elem.transform) {
       return elem.transform.baseVal;
     }
+
     if (elem.gradientTransform) {
       return elem.gradientTransform.baseVal;
     }
+
     if (elem.patternTransform) {
       return elem.patternTransform.baseVal;
     }
@@ -2910,11 +3434,10 @@
    *
    * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller
    */
-
   var wAttrs = ['x', 'x1', 'cx', 'rx', 'width'];
   var hAttrs = ['y', 'y1', 'cy', 'ry', 'height'];
-  var unitAttrs = ['r', 'radius'].concat(wAttrs, hAttrs);
-  // unused
+  var unitAttrs = ['r', 'radius'].concat(wAttrs, hAttrs); // unused
+
   /*
   const unitNumMap = {
     '%': 2,
@@ -2929,30 +3452,34 @@
   };
   */
   // Container of elements.
-  var elementContainer_ = void 0;
 
-  // Stores mapping of unit type to user coordinates.
+  var elementContainer_; // Stores mapping of unit type to user coordinates.
+
   var typeMap_ = {};
-
   /**
    * @interface module:units.ElementContainer
    */
+
   /**
    * @function module:units.ElementContainer#getBaseUnit
    * @returns {string} The base unit type of the container ('em')
    */
+
   /**
    * @function module:units.ElementContainer#getElement
    * @returns {Element} An element in the container given an id
    */
+
   /**
    * @function module:units.ElementContainer#getHeight
    * @returns {Float} The container's height
    */
+
   /**
    * @function module:units.ElementContainer#getWidth
    * @returns {Float} The container's width
    */
+
   /**
    * @function module:units.ElementContainer#getRoundDigits
    * @returns {Integer} The number of digits number should be rounded to
@@ -2978,10 +3505,10 @@
    * @param {module:units.ElementContainer} elementContainer - An object implementing the ElementContainer interface.
    * @returns {undefined}
    */
-  var init = function init(elementContainer) {
-    elementContainer_ = elementContainer;
 
-    // Get correct em/ex values by creating a temporary SVG.
+  var init = function init(elementContainer) {
+    elementContainer_ = elementContainer; // Get correct em/ex values by creating a temporary SVG.
+
     var svg = document.createElementNS(NS.SVG, 'svg');
     document.body.append(svg);
     var rect = document.createElementNS(NS.SVG, 'rect');
@@ -2991,7 +3518,6 @@
     svg.append(rect);
     var bb = rect.getBBox();
     svg.remove();
-
     var inch = bb.x;
     typeMap_ = {
       em: bb.width,
@@ -3005,7 +3531,6 @@
       '%': 0
     };
   };
-
   /**
   * Group: Unit conversion functions
   */
@@ -3014,10 +3539,10 @@
    * @function module:units.getTypeMap
    * @returns {module:units.TypeMap} The unit object with values for each unit
   */
+
   var getTypeMap = function getTypeMap() {
     return typeMap_;
   };
-
   /**
   * @typedef {GenericArray} module:units.CompareNumbers
   * @property {Integer} length 2
@@ -3034,31 +3559,34 @@
   * @returns {Float|string} If a string/number was given, returns a Float. If an array, return a string
   * with comma-separated floats
   */
+
   var shortFloat = function shortFloat(val) {
     var digits = elementContainer_.getRoundDigits();
+
     if (!isNaN(val)) {
       // Note that + converts to Number
       return +(+val).toFixed(digits);
     }
+
     if (Array.isArray(val)) {
       return shortFloat(val[0]) + ',' + shortFloat(val[1]);
     }
+
     return parseFloat(val).toFixed(digits) - 0;
   };
-
   /**
   * Converts the number to given unit or baseUnit
   * @function module:units.convertUnit
   * @returns {Float}
   */
+
   var convertUnit = function convertUnit(val, unit) {
-    unit = unit || elementContainer_.getBaseUnit();
-    // baseVal.convertToSpecifiedUnits(unitNumMap[unit]);
+    unit = unit || elementContainer_.getBaseUnit(); // baseVal.convertToSpecifiedUnits(unitNumMap[unit]);
     // const val = baseVal.valueInSpecifiedUnits;
     // baseVal.convertToSpecifiedUnits(1);
+
     return shortFloat(val / typeMap_[unit]);
   };
-
   /**
   * Sets an element's attribute based on the unit in its current value.
   *
@@ -3068,11 +3596,11 @@
   * @param {string} val - Attribute value to convert
   * @returns {undefined}
   */
+
   var setUnitAttr = function setUnitAttr(elem, attr, val) {
     //  if (!isNaN(val)) {
     // New value is a number, so check currently used unit
     // const oldVal = elem.getAttribute(attr);
-
     // Enable this for alternate mode
     // if (oldVal !== null && (isNaN(oldVal) || elementContainer_.getBaseUnit() !== 'px')) {
     //   // Old value was a number, so get unit, then convert
@@ -3102,7 +3630,6 @@
     // }
     elem.setAttribute(attr, val);
   };
-
   /**
   * Converts given values to numbers. Attributes must be supplied in
   * case a percentage is given
@@ -3112,31 +3639,36 @@
   * @param {string} val - Attribute value to convert
   * @returns {Float} The converted number
   */
+
   var convertToNum = function convertToNum(attr, val) {
     // Return a number if that's what it already is
     if (!isNaN(val)) {
       return val - 0;
     }
+
     if (val.substr(-1) === '%') {
       // Deal with percentage, depends on attribute
       var _num = val.substr(0, val.length - 1) / 100;
+
       var width = elementContainer_.getWidth();
       var height = elementContainer_.getHeight();
 
       if (wAttrs.includes(attr)) {
         return _num * width;
       }
+
       if (hAttrs.includes(attr)) {
         return _num * height;
       }
+
       return _num * Math.sqrt(width * width + height * height) / Math.sqrt(2);
     }
+
     var unit = val.substr(-2);
-    var num = val.substr(0, val.length - 2);
-    // Note that this multiplication turns the string into a number
+    var num = val.substr(0, val.length - 2); // Note that this multiplication turns the string into a number
+
     return num * typeMap_[unit];
   };
-
   /**
   * Check if an attribute's value is in a valid format
   * @function module:units.isValidUnit
@@ -3144,67 +3676,65 @@
   * @param {string} val - The attribute value to check
   * @returns {boolean} Whether the unit is valid
   */
+
   var isValidUnit = function isValidUnit(attr, val, selectedElement) {
     if (unitAttrs.includes(attr)) {
       // True if it's just a number
       if (!isNaN(val)) {
         return true;
-      }
-      // Not a number, check if it has a valid unit
+      } // Not a number, check if it has a valid unit
+
+
       val = val.toLowerCase();
       return Object.keys(typeMap_).some(function (unit) {
         var re = new RegExp('^-?[\\d\\.]+' + unit + '$');
         return re.test(val);
       });
     }
+
     if (attr === 'id') {
       // if we're trying to change the id, make sure it's not already present in the doc
       // and the id value is valid.
-
-      var result = false;
-      // because getElem() can throw an exception in the case of an invalid id
+      var result = false; // because getElem() can throw an exception in the case of an invalid id
       // (according to https://www.w3.org/TR/xml-id/ IDs must be a NCName)
       // we wrap it in an exception and only return true if the ID was valid and
       // not already present
+
       try {
         var elem = elementContainer_.getElement(val);
         result = elem == null || elem === selectedElement;
       } catch (e) {}
+
       return result;
     }
+
     return true;
   };
 
-  /**
-   * For command history tracking and undo functionality
-   * @module history
-   * @license MIT
-   * @copyright 2010 Jeff Schiller
-   */
-
   /**
   * Group: Undo/Redo history management
   */
+
   var HistoryEventTypes = {
     BEFORE_APPLY: 'before_apply',
     AFTER_APPLY: 'after_apply',
     BEFORE_UNAPPLY: 'before_unapply',
     AFTER_UNAPPLY: 'after_unapply'
-  };
-
-  // const removedElements = {};
+  }; // const removedElements = {};
 
   /**
   * Base class for commands
   */
 
-  var Command = function () {
+  var Command =
+  /*#__PURE__*/
+  function () {
     function Command() {
-      classCallCheck(this, Command);
+      _classCallCheck(this, Command);
     }
 
-    createClass(Command, [{
-      key: 'getText',
+    _createClass(Command, [{
+      key: "getText",
 
       /**
       * @returns {string}
@@ -3213,10 +3743,9 @@
         return this.text;
       }
     }]);
-    return Command;
-  }();
 
-  // Todo: Figure out why the interface members aren't showing
+    return Command;
+  }(); // Todo: Figure out why the interface members aren't showing
   //   up (with or without modules applied), despite our apparently following
   //   http://usejsdoc.org/tags-interface.html#virtual-comments
 
@@ -3224,6 +3753,7 @@
    * An interface that all command objects must implement.
    * @interface module:history.HistoryCommand
   */
+
   /**
    * Applies
    *
@@ -3232,6 +3762,7 @@
    * @fires module:history~Command#event:history
    * @returns {undefined|true}
    */
+
   /**
    *
    * Unapplies
@@ -3240,21 +3771,25 @@
    * @fires module:history~Command#event:history
    * @returns {undefined|true}
    */
+
   /**
    * Returns the elements
    * @function module:history.HistoryCommand#elements
    * @returns {Element[]}
    */
+
   /**
    * Gets the text
    * @function module:history.HistoryCommand#getText
    * @returns {string}
    */
+
   /**
    * Gives the type
    * @function module:history.HistoryCommand.type
    * @returns {string}
    */
+
   /**
    * Gives the type
    * @function module:history.HistoryCommand#type
@@ -3270,6 +3805,7 @@
    * An interface for objects that will handle history events.
    * @interface module:history.HistoryEventHandler
    */
+
   /**
    *
    * @function module:history.HistoryEventHandler#handleHistoryEvent
@@ -3290,14 +3826,17 @@
   */
 
 
-  var MoveElementCommand = function (_Command) {
-    inherits(MoveElementCommand, _Command);
+  var MoveElementCommand =
+  /*#__PURE__*/
+  function (_Command) {
+    _inherits(MoveElementCommand, _Command);
 
     function MoveElementCommand(elem, oldNextSibling, oldParent, text) {
-      classCallCheck(this, MoveElementCommand);
+      var _this;
 
-      var _this = possibleConstructorReturn(this, (MoveElementCommand.__proto__ || Object.getPrototypeOf(MoveElementCommand)).call(this));
+      _classCallCheck(this, MoveElementCommand);
 
+      _this = _possibleConstructorReturn(this, _getPrototypeOf(MoveElementCommand).call(this));
       _this.elem = elem;
       _this.text = text ? 'Move ' + elem.tagName + ' to ' + text : 'Move ' + elem.tagName;
       _this.oldNextSibling = oldNextSibling;
@@ -3307,12 +3846,11 @@
       return _this;
     }
 
-    createClass(MoveElementCommand, [{
-      key: 'type',
+    _createClass(MoveElementCommand, [{
+      key: "type",
       value: function type() {
         return 'svgedit.history.MoveElementCommand';
       }
-
       /**
        * Re-positions the element
        * @param {module:history.HistoryEventHandler} handler
@@ -3321,7 +3859,7 @@
       */
 
     }, {
-      key: 'apply',
+      key: "apply",
       value: function apply(handler) {
         // TODO(codedread): Refactor this common event code into a base HistoryCommand class.
         if (handler) {
@@ -3334,7 +3872,6 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);
         }
       }
-
       /**
        * Positions the element back to its original location
        * @param {module:history.HistoryEventHandler} handler
@@ -3343,7 +3880,7 @@
       */
 
     }, {
-      key: 'unapply',
+      key: "unapply",
       value: function unapply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
@@ -3355,21 +3892,20 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);
         }
       }
-
       /**
       * @returns {Element[]} Array with element associated with this command
       */
 
     }, {
-      key: 'elements',
+      key: "elements",
       value: function elements() {
         return [this.elem];
       }
     }]);
+
     return MoveElementCommand;
   }(Command);
   MoveElementCommand.type = MoveElementCommand.prototype.type;
-
   /**
   * History command for an element that was added to the DOM
   * @implements {module:history.HistoryCommand}
@@ -3377,14 +3913,18 @@
   * @param {Element} elem - The newly added DOM element
   * @param {string} text - An optional string visible to user related to this change
   */
-  var InsertElementCommand = function (_Command2) {
-    inherits(InsertElementCommand, _Command2);
+
+  var InsertElementCommand =
+  /*#__PURE__*/
+  function (_Command2) {
+    _inherits(InsertElementCommand, _Command2);
 
     function InsertElementCommand(elem, text) {
-      classCallCheck(this, InsertElementCommand);
+      var _this2;
 
-      var _this2 = possibleConstructorReturn(this, (InsertElementCommand.__proto__ || Object.getPrototypeOf(InsertElementCommand)).call(this));
+      _classCallCheck(this, InsertElementCommand);
 
+      _this2 = _possibleConstructorReturn(this, _getPrototypeOf(InsertElementCommand).call(this));
       _this2.elem = elem;
       _this2.text = text || 'Create ' + elem.tagName;
       _this2.parent = elem.parentNode;
@@ -3392,12 +3932,11 @@
       return _this2;
     }
 
-    createClass(InsertElementCommand, [{
-      key: 'type',
+    _createClass(InsertElementCommand, [{
+      key: "type",
       value: function type() {
         return 'svgedit.history.InsertElementCommand';
       }
-
       /**
       * Re-inserts the new element
       * @param {module:history.HistoryEventHandler} handler
@@ -3406,7 +3945,7 @@
       */
 
     }, {
-      key: 'apply',
+      key: "apply",
       value: function apply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);
@@ -3418,7 +3957,6 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);
         }
       }
-
       /**
       * Removes the element
       * @param {module:history.HistoryEventHandler} handler
@@ -3427,7 +3965,7 @@
       */
 
     }, {
-      key: 'unapply',
+      key: "unapply",
       value: function unapply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
@@ -3440,21 +3978,20 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);
         }
       }
-
       /**
       * @returns {Element[]} Array with element associated with this command
       */
 
     }, {
-      key: 'elements',
+      key: "elements",
       value: function elements() {
         return [this.elem];
       }
     }]);
+
     return InsertElementCommand;
   }(Command);
   InsertElementCommand.type = InsertElementCommand.prototype.type;
-
   /**
   * History command for an element removed from the DOM
   * @implements {module:history.HistoryCommand}
@@ -3463,30 +4000,32 @@
   * @param {Element} oldParent - The DOM element's parent
   * @param {string} [text] - An optional string visible to user related to this change
   */
-  var RemoveElementCommand = function (_Command3) {
-    inherits(RemoveElementCommand, _Command3);
+
+  var RemoveElementCommand =
+  /*#__PURE__*/
+  function (_Command3) {
+    _inherits(RemoveElementCommand, _Command3);
 
     function RemoveElementCommand(elem, oldNextSibling, oldParent, text) {
-      classCallCheck(this, RemoveElementCommand);
+      var _this3;
 
-      var _this3 = possibleConstructorReturn(this, (RemoveElementCommand.__proto__ || Object.getPrototypeOf(RemoveElementCommand)).call(this));
+      _classCallCheck(this, RemoveElementCommand);
 
+      _this3 = _possibleConstructorReturn(this, _getPrototypeOf(RemoveElementCommand).call(this));
       _this3.elem = elem;
       _this3.text = text || 'Delete ' + elem.tagName;
       _this3.nextSibling = oldNextSibling;
-      _this3.parent = oldParent;
+      _this3.parent = oldParent; // special hack for webkit: remove this element's entry in the svgTransformLists map
 
-      // special hack for webkit: remove this element's entry in the svgTransformLists map
       removeElementFromListMap(elem);
       return _this3;
     }
 
-    createClass(RemoveElementCommand, [{
-      key: 'type',
+    _createClass(RemoveElementCommand, [{
+      key: "type",
       value: function type() {
         return 'svgedit.history.RemoveElementCommand';
       }
-
       /**
       * Re-removes the new element
       * @param {module:history.HistoryEventHandler} handler
@@ -3495,7 +4034,7 @@
       */
 
     }, {
-      key: 'apply',
+      key: "apply",
       value: function apply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);
@@ -3509,7 +4048,6 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);
         }
       }
-
       /**
       * Re-adds the new element
       * @param {module:history.HistoryEventHandler} handler
@@ -3518,42 +4056,44 @@
       */
 
     }, {
-      key: 'unapply',
+      key: "unapply",
       value: function unapply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
         }
 
         removeElementFromListMap(this.elem);
+
         if (this.nextSibling == null) {
           if (window.console) {
             console.log('Error: reference element was lost');
           }
         }
+
         this.parent.insertBefore(this.elem, this.nextSibling); // Don't use `before` or `prepend` as `this.nextSibling` may be `null`
 
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);
         }
       }
-
       /**
       * @returns {Element[]} Array with element associated with this command
       */
 
     }, {
-      key: 'elements',
+      key: "elements",
       value: function elements() {
         return [this.elem];
       }
     }]);
+
     return RemoveElementCommand;
   }(Command);
   RemoveElementCommand.type = RemoveElementCommand.prototype.type;
-
   /**
   * @typedef {"#text"|"#href"|string} module:history.CommandAttributeName
   */
+
   /**
   * @typedef {PlainObject.<module:history.CommandAttributeName, string>} module:history.CommandAttributes
   */
@@ -3566,18 +4106,23 @@
   * @param {module:history.CommandAttributes} attrs - Attributes to be changed with the values they had *before* the change
   * @param {string} text - An optional string visible to user related to this change
   */
-  var ChangeElementCommand = function (_Command4) {
-    inherits(ChangeElementCommand, _Command4);
+
+  var ChangeElementCommand =
+  /*#__PURE__*/
+  function (_Command4) {
+    _inherits(ChangeElementCommand, _Command4);
 
     function ChangeElementCommand(elem, attrs, text) {
-      classCallCheck(this, ChangeElementCommand);
+      var _this4;
 
-      var _this4 = possibleConstructorReturn(this, (ChangeElementCommand.__proto__ || Object.getPrototypeOf(ChangeElementCommand)).call(this));
+      _classCallCheck(this, ChangeElementCommand);
 
+      _this4 = _possibleConstructorReturn(this, _getPrototypeOf(ChangeElementCommand).call(this));
       _this4.elem = elem;
       _this4.text = text ? 'Change ' + elem.tagName + ' ' + text : 'Change ' + elem.tagName;
       _this4.newValues = {};
       _this4.oldValues = attrs;
+
       for (var attr in attrs) {
         if (attr === '#text') {
           _this4.newValues[attr] = elem.textContent;
@@ -3587,15 +4132,15 @@
           _this4.newValues[attr] = elem.getAttribute(attr);
         }
       }
+
       return _this4;
     }
 
-    createClass(ChangeElementCommand, [{
-      key: 'type',
+    _createClass(ChangeElementCommand, [{
+      key: "type",
       value: function type() {
         return 'svgedit.history.ChangeElementCommand';
       }
-
       /**
       * Performs the stored change action
       * @param {module:history.HistoryEventHandler} handler
@@ -3604,13 +4149,14 @@
       */
 
     }, {
-      key: 'apply',
+      key: "apply",
       value: function apply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);
         }
 
         var bChangedTransform = false;
+
         for (var attr in this.newValues) {
           if (this.newValues[attr]) {
             if (attr === '#text') {
@@ -3632,16 +4178,18 @@
           if (attr === 'transform') {
             bChangedTransform = true;
           }
-        }
+        } // relocate rotational transform, if necessary
+
 
-        // relocate rotational transform, if necessary
         if (!bChangedTransform) {
           var angle = getRotationAngle(this.elem);
+
           if (angle) {
             var bbox = this.elem.getBBox();
             var cx = bbox.x + bbox.width / 2,
                 cy = bbox.y + bbox.height / 2;
             var rotate = ['rotate(', angle, ' ', cx, ',', cy, ')'].join('');
+
             if (rotate !== this.elem.getAttribute('transform')) {
               this.elem.setAttribute('transform', rotate);
             }
@@ -3654,7 +4202,6 @@
 
         return true;
       }
-
       /**
       * Reverses the stored change action
       * @param {module:history.HistoryEventHandler} handler
@@ -3663,13 +4210,14 @@
       */
 
     }, {
-      key: 'unapply',
+      key: "unapply",
       value: function unapply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
         }
 
         var bChangedTransform = false;
+
         for (var attr in this.oldValues) {
           if (this.oldValues[attr]) {
             if (attr === '#text') {
@@ -3686,25 +4234,29 @@
               this.elem.removeAttribute(attr);
             }
           }
+
           if (attr === 'transform') {
             bChangedTransform = true;
           }
-        }
-        // relocate rotational transform, if necessary
+        } // relocate rotational transform, if necessary
+
+
         if (!bChangedTransform) {
           var angle = getRotationAngle(this.elem);
+
           if (angle) {
             var bbox = this.elem.getBBox();
             var cx = bbox.x + bbox.width / 2,
                 cy = bbox.y + bbox.height / 2;
             var rotate = ['rotate(', angle, ' ', cx, ',', cy, ')'].join('');
+
             if (rotate !== this.elem.getAttribute('transform')) {
               this.elem.setAttribute('transform', rotate);
             }
           }
-        }
+        } // Remove transformlist to prevent confusion that causes bugs like 575.
+
 
-        // Remove transformlist to prevent confusion that causes bugs like 575.
         removeElementFromListMap(this.elem);
 
         if (handler) {
@@ -3713,22 +4265,20 @@
 
         return true;
       }
-
       /**
       * @returns {Element[]} Array with element associated with this command
       */
 
     }, {
-      key: 'elements',
+      key: "elements",
       value: function elements() {
         return [this.elem];
       }
     }]);
+
     return ChangeElementCommand;
   }(Command);
-  ChangeElementCommand.type = ChangeElementCommand.prototype.type;
-
-  // TODO: create a 'typing' command object that tracks changes in text
+  ChangeElementCommand.type = ChangeElementCommand.prototype.type; // TODO: create a 'typing' command object that tracks changes in text
   // if a new Typing command is created and the top command on the stack is also a Typing
   // and they both affect the same element, then collapse the two commands into one
 
@@ -3736,28 +4286,31 @@
   * History command that can contain/execute multiple other commands
   * @implements {module:history.HistoryCommand}
   */
-  var BatchCommand = function (_Command5) {
-    inherits(BatchCommand, _Command5);
+
+  var BatchCommand =
+  /*#__PURE__*/
+  function (_Command5) {
+    _inherits(BatchCommand, _Command5);
 
     /**
     * @param {string} [text] - An optional string visible to user related to this change
     */
     function BatchCommand(text) {
-      classCallCheck(this, BatchCommand);
+      var _this5;
 
-      var _this5 = possibleConstructorReturn(this, (BatchCommand.__proto__ || Object.getPrototypeOf(BatchCommand)).call(this));
+      _classCallCheck(this, BatchCommand);
 
+      _this5 = _possibleConstructorReturn(this, _getPrototypeOf(BatchCommand).call(this));
       _this5.text = text || 'Batch Command';
       _this5.stack = [];
       return _this5;
     }
 
-    createClass(BatchCommand, [{
-      key: 'type',
+    _createClass(BatchCommand, [{
+      key: "type",
       value: function type() {
         return 'svgedit.history.BatchCommand';
       }
-
       /**
       * Runs "apply" on all subcommands
       * @param {module:history.HistoryEventHandler} handler
@@ -3766,13 +4319,14 @@
       */
 
     }, {
-      key: 'apply',
+      key: "apply",
       value: function apply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_APPLY, this);
         }
 
         var len = this.stack.length;
+
         for (var i = 0; i < len; ++i) {
           this.stack[i].apply(handler);
         }
@@ -3781,7 +4335,6 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_APPLY, this);
         }
       }
-
       /**
       * Runs "unapply" on all subcommands
       * @param {module:history.HistoryEventHandler} handler
@@ -3790,7 +4343,7 @@
       */
 
     }, {
-      key: 'unapply',
+      key: "unapply",
       value: function unapply(handler) {
         if (handler) {
           handler.handleHistoryEvent(HistoryEventTypes.BEFORE_UNAPPLY, this);
@@ -3804,155 +4357,149 @@
           handler.handleHistoryEvent(HistoryEventTypes.AFTER_UNAPPLY, this);
         }
       }
-
       /**
       * Iterate through all our subcommands
       * @returns {Element[]} All the elements we are changing
       */
 
     }, {
-      key: 'elements',
+      key: "elements",
       value: function elements() {
         var elems = [];
         var cmd = this.stack.length;
+
         while (cmd--) {
           var thisElems = this.stack[cmd].elements();
           var elem = thisElems.length;
+
           while (elem--) {
             if (!elems.includes(thisElems[elem])) {
               elems.push(thisElems[elem]);
             }
           }
         }
+
         return elems;
       }
-
       /**
       * Adds a given command to the history stack
       * @param {Command} cmd - The undo command object to add
       */
 
     }, {
-      key: 'addSubCommand',
+      key: "addSubCommand",
       value: function addSubCommand(cmd) {
         this.stack.push(cmd);
       }
-
       /**
       * @returns {boolean} Indicates whether or not the batch command is empty
       */
 
     }, {
-      key: 'isEmpty',
+      key: "isEmpty",
       value: function isEmpty() {
         return !this.stack.length;
       }
     }]);
+
     return BatchCommand;
   }(Command);
   BatchCommand.type = BatchCommand.prototype.type;
-
   /**
   *
   */
-  var UndoManager = function () {
+
+  var UndoManager =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {module:history.HistoryEventHandler} historyEventHandler
     */
     function UndoManager(historyEventHandler) {
-      classCallCheck(this, UndoManager);
+      _classCallCheck(this, UndoManager);
 
       this.handler_ = historyEventHandler || null;
       this.undoStackPointer = 0;
-      this.undoStack = [];
-
-      // this is the stack that stores the original values, the elements and
+      this.undoStack = []; // this is the stack that stores the original values, the elements and
       // the attribute name for begin/finish
+
       this.undoChangeStackPointer = -1;
       this.undoableChangeStack = [];
     }
-
     /**
     * Resets the undo stack, effectively clearing the undo/redo history
     * @returns {undefined}
     */
 
 
-    createClass(UndoManager, [{
-      key: 'resetUndoStack',
+    _createClass(UndoManager, [{
+      key: "resetUndoStack",
       value: function resetUndoStack() {
         this.undoStack = [];
         this.undoStackPointer = 0;
       }
-
       /**
       * @returns {Integer} Current size of the undo history stack
       */
 
     }, {
-      key: 'getUndoStackSize',
+      key: "getUndoStackSize",
       value: function getUndoStackSize() {
         return this.undoStackPointer;
       }
-
       /**
       * @returns {Integer} Current size of the redo history stack
       */
 
     }, {
-      key: 'getRedoStackSize',
+      key: "getRedoStackSize",
       value: function getRedoStackSize() {
         return this.undoStack.length - this.undoStackPointer;
       }
-
       /**
       * @returns {string} String associated with the next undo command
       */
 
     }, {
-      key: 'getNextUndoCommandText',
+      key: "getNextUndoCommandText",
       value: function getNextUndoCommandText() {
         return this.undoStackPointer > 0 ? this.undoStack[this.undoStackPointer - 1].getText() : '';
       }
-
       /**
       * @returns {string} String associated with the next redo command
       */
 
     }, {
-      key: 'getNextRedoCommandText',
+      key: "getNextRedoCommandText",
       value: function getNextRedoCommandText() {
         return this.undoStackPointer < this.undoStack.length ? this.undoStack[this.undoStackPointer].getText() : '';
       }
-
       /**
       * Performs an undo step
       * @returns {undefined}
       */
 
     }, {
-      key: 'undo',
+      key: "undo",
       value: function undo() {
         if (this.undoStackPointer > 0) {
           var cmd = this.undoStack[--this.undoStackPointer];
           cmd.unapply(this.handler_);
         }
       }
-
       /**
       * Performs a redo step
       * @returns {undefined}
       */
 
     }, {
-      key: 'redo',
+      key: "redo",
       value: function redo() {
         if (this.undoStackPointer < this.undoStack.length && this.undoStack.length > 0) {
           var cmd = this.undoStack[this.undoStackPointer++];
           cmd.apply(this.handler_);
         }
       }
-
       /**
       * Adds a command object to the undo history stack
       * @param {Command} cmd - The command object to add
@@ -3960,22 +4507,21 @@
       */
 
     }, {
-      key: 'addCommandToHistory',
+      key: "addCommandToHistory",
       value: function addCommandToHistory(cmd) {
         // FIXME: we MUST compress consecutive text changes to the same element
         // (right now each keystroke is saved as a separate command that includes the
         // entire text contents of the text element)
         // TODO: consider limiting the history that we store here (need to do some slicing)
-
         // if our stack pointer is not at the end, then we have to remove
         // all commands after the pointer and insert the new command
         if (this.undoStackPointer < this.undoStack.length && this.undoStack.length > 0) {
           this.undoStack = this.undoStack.splice(0, this.undoStackPointer);
         }
+
         this.undoStack.push(cmd);
         this.undoStackPointer = this.undoStack.length;
       }
-
       /**
       * This function tells the canvas to remember the old values of the
       * `attrName` attribute for each element sent in.  The elements and values
@@ -3988,27 +4534,30 @@
       */
 
     }, {
-      key: 'beginUndoableChange',
+      key: "beginUndoableChange",
       value: function beginUndoableChange(attrName, elems) {
         var p = ++this.undoChangeStackPointer;
         var i = elems.length;
         var oldValues = new Array(i),
             elements = new Array(i);
+
         while (i--) {
           var elem = elems[i];
+
           if (elem == null) {
             continue;
           }
+
           elements[i] = elem;
           oldValues[i] = elem.getAttribute(attrName);
         }
+
         this.undoableChangeStack[p] = {
           attrName: attrName,
           oldValues: oldValues,
           elements: elements
         };
       }
-
       /**
       * This function returns a `BatchCommand` object which summarizes the
       * change since `beginUndoableChange` was called.  The command can then
@@ -4017,29 +4566,34 @@
       */
 
     }, {
-      key: 'finishUndoableChange',
+      key: "finishUndoableChange",
       value: function finishUndoableChange() {
         var p = this.undoChangeStackPointer--;
         var changeset = this.undoableChangeStack[p];
         var attrName = changeset.attrName;
-
         var batchCmd = new BatchCommand('Change ' + attrName);
         var i = changeset.elements.length;
+
         while (i--) {
           var elem = changeset.elements[i];
+
           if (elem == null) {
             continue;
           }
+
           var changes = {};
           changes[attrName] = changeset.oldValues[i];
+
           if (changes[attrName] !== elem.getAttribute(attrName)) {
             batchCmd.addSubCommand(new ChangeElementCommand(elem, changes, attrName));
           }
         }
+
         this.undoableChangeStack[p] = null;
         return batchCmd;
       }
     }]);
+
     return UndoManager;
   }();
 
@@ -4061,12 +4615,9 @@
    * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller
    */
 
-  // Constants
-  var NEAR_ZERO = 1e-14;
+  var NEAR_ZERO = 1e-14; // Throw away SVGSVGElement used for creating matrices/transforms.
 
-  // Throw away SVGSVGElement used for creating matrices/transforms.
   var svg$1 = document.createElementNS(NS.SVG, 'svg');
-
   /**
    * A (hopefully) quicker function to transform a point by a matrix
    * (this function avoids any DOM calls and just does the math)
@@ -4076,10 +4627,13 @@
    * @param {SVGMatrix} m - Matrix object to transform the point with
    * @returns {module:math.XYObject} An x, y object representing the transformed point
   */
-  var transformPoint = function transformPoint(x, y, m) {
-    return { x: m.a * x + m.c * y + m.e, y: m.b * x + m.d * y + m.f };
-  };
 
+  var transformPoint = function transformPoint(x, y, m) {
+    return {
+      x: m.a * x + m.c * y + m.e,
+      y: m.b * x + m.d * y + m.f
+    };
+  };
   /**
    * Helper function to check if the matrix performs no actual transform
    * (i.e. exists for identity purposes)
@@ -4087,10 +4641,10 @@
    * @param {SVGMatrix} m - The matrix object to check
    * @returns {boolean} Indicates whether or not the matrix is 1,0,0,1,0,0
   */
+
   var isIdentity = function isIdentity(m) {
     return m.a === 1 && m.b === 0 && m.c === 0 && m.d === 1 && m.e === 0 && m.f === 0;
   };
-
   /**
    * This function tries to return a `SVGMatrix` that is the multiplication `m1 * m2`.
    * We also round to zero when it's near zero
@@ -4098,8 +4652,9 @@
    * @param {...SVGMatrix} args - Matrix objects to multiply
    * @returns {SVGMatrix} The matrix object resulting from the calculation
   */
+
   var matrixMultiply = function matrixMultiply() {
-    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
       args[_key] = arguments[_key];
     }
 
@@ -4110,45 +4665,46 @@
     if (Math.abs(m.a) < NEAR_ZERO) {
       m.a = 0;
     }
+
     if (Math.abs(m.b) < NEAR_ZERO) {
       m.b = 0;
     }
+
     if (Math.abs(m.c) < NEAR_ZERO) {
       m.c = 0;
     }
+
     if (Math.abs(m.d) < NEAR_ZERO) {
       m.d = 0;
     }
+
     if (Math.abs(m.e) < NEAR_ZERO) {
       m.e = 0;
     }
+
     if (Math.abs(m.f) < NEAR_ZERO) {
       m.f = 0;
     }
 
     return m;
   };
-
-  /**
-   * See if the given transformlist includes a non-indentity matrix transform
-   * @function module:math.hasMatrixTransform
-   * @param {SVGTransformList} [tlist] - The transformlist to check
-   * @returns {boolean} Whether or not a matrix transform was found
-  */
   var hasMatrixTransform = function hasMatrixTransform(tlist) {
     if (!tlist) {
       return false;
     }
+
     var num = tlist.numberOfItems;
+
     while (num--) {
       var xform = tlist.getItem(num);
+
       if (xform.type === 1 && !isIdentity(xform.matrix)) {
         return true;
       }
     }
+
     return false;
   };
-
   /**
   * @typedef {PlainObject} module:math.TransformedBox An object with the following values
   * @property {module:math.XYObject} tl - The top left coordinate
@@ -4172,6 +4728,7 @@
    * @param {SVGMatrix} m - Matrix object to transform the box by
    * @returns {module:math.TransformedBox}
   */
+
   var transformBox = function transformBox(l, t, w, h, m) {
     var tl = transformPoint(l, t, m),
         tr = transformPoint(l + w, t, m),
@@ -4181,7 +4738,6 @@
         maxx = Math.max(tl.x, tr.x, bl.x, br.x),
         miny = Math.min(tl.y, tr.y, bl.y, br.y),
         maxy = Math.max(tl.y, tr.y, bl.y, br.y);
-
     return {
       tl: tl,
       tr: tr,
@@ -4195,7 +4751,6 @@
       }
     };
   };
-
   /**
    * This returns a single matrix Transform for a given Transform List
    * (this is the equivalent of `SVGTransformList.consolidate()` but unlike
@@ -4208,38 +4763,45 @@
    *   defaults to one less than the tlist's `numberOfItems`
    * @returns {SVGTransform} A single matrix transform object
   */
+
   var transformListToTransform = function transformListToTransform(tlist, min, max) {
     if (tlist == null) {
       // Or should tlist = null have been prevented before this?
       return svg$1.createSVGTransformFromMatrix(svg$1.createSVGMatrix());
     }
+
     min = min || 0;
     max = max || tlist.numberOfItems - 1;
     min = parseInt(min, 10);
     max = parseInt(max, 10);
+
     if (min > max) {
-      var temp = max;max = min;min = temp;
+      var temp = max;
+      max = min;
+      min = temp;
     }
+
     var m = svg$1.createSVGMatrix();
+
     for (var i = min; i <= max; ++i) {
       // if our indices are out of range, just use a harmless identity matrix
       var mtom = i >= 0 && i < tlist.numberOfItems ? tlist.getItem(i).matrix : svg$1.createSVGMatrix();
       m = matrixMultiply(m, mtom);
     }
+
     return svg$1.createSVGTransformFromMatrix(m);
   };
-
   /**
    * Get the matrix object for a given element
    * @function module:math.getMatrix
    * @param {Element} elem - The DOM element to check
    * @returns {SVGMatrix} The matrix object associated with the element's transformlist
   */
+
   var getMatrix = function getMatrix(elem) {
     var tlist = getTransformList(elem);
     return transformListToTransform(tlist).matrix;
   };
-
   /**
    * Returns a 45 degree angle coordinate associated with the two given
    * coordinates
@@ -4250,21 +4812,21 @@
    * @param {Integer} y2 - Second coordinate's y value
    * @returns {module:math.AngleCoord45}
   */
+
   var snapToAngle = function snapToAngle(x1, y1, x2, y2) {
     var snap = Math.PI / 4; // 45 degrees
+
     var dx = x2 - x1;
     var dy = y2 - y1;
     var angle = Math.atan2(dy, dx);
     var dist = Math.sqrt(dx * dx + dy * dy);
     var snapangle = Math.round(angle / snap) * snap;
-
     return {
       x: x1 + dist * Math.cos(snapangle),
       y: y1 + dist * Math.sin(snapangle),
       a: snapangle
     };
   };
-
   /**
    * Check if two rectangles (BBoxes objects) intersect each other
    * @function module:math.rectsIntersect
@@ -4272,26 +4834,32 @@
    * @param {SVGRect} r2 - The second BBox-like object
    * @returns {boolean} True if rectangles intersect
    */
+
   var rectsIntersect = function rectsIntersect(r1, r2) {
     return r2.x < r1.x + r1.width && r2.x + r2.width > r1.x && r2.y < r1.y + r1.height && r2.y + r2.height > r1.y;
   };
 
-  /* globals jQuery */
-
   var $$1 = jQuery;
-
   var segData = {
-    2: ['x', 'y'], // PATHSEG_MOVETO_ABS
-    4: ['x', 'y'], // PATHSEG_LINETO_ABS
-    6: ['x', 'y', 'x1', 'y1', 'x2', 'y2'], // PATHSEG_CURVETO_CUBIC_ABS
-    8: ['x', 'y', 'x1', 'y1'], // PATHSEG_CURVETO_QUADRATIC_ABS
-    10: ['x', 'y', 'r1', 'r2', 'angle', 'largeArcFlag', 'sweepFlag'], // PATHSEG_ARC_ABS
-    12: ['x'], // PATHSEG_LINETO_HORIZONTAL_ABS
-    14: ['y'], // PATHSEG_LINETO_VERTICAL_ABS
-    16: ['x', 'y', 'x2', 'y2'], // PATHSEG_CURVETO_CUBIC_SMOOTH_ABS
+    2: ['x', 'y'],
+    // PATHSEG_MOVETO_ABS
+    4: ['x', 'y'],
+    // PATHSEG_LINETO_ABS
+    6: ['x', 'y', 'x1', 'y1', 'x2', 'y2'],
+    // PATHSEG_CURVETO_CUBIC_ABS
+    8: ['x', 'y', 'x1', 'y1'],
+    // PATHSEG_CURVETO_QUADRATIC_ABS
+    10: ['x', 'y', 'r1', 'r2', 'angle', 'largeArcFlag', 'sweepFlag'],
+    // PATHSEG_ARC_ABS
+    12: ['x'],
+    // PATHSEG_LINETO_HORIZONTAL_ABS
+    14: ['y'],
+    // PATHSEG_LINETO_VERTICAL_ABS
+    16: ['x', 'y', 'x2', 'y2'],
+    // PATHSEG_CURVETO_CUBIC_SMOOTH_ABS
     18: ['x', 'y'] // PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS
-  };
 
+  };
   /**
    * @tutorial LocaleDocs
    * @typedef {module:locale.LocaleStrings|PlainObject} module:path.uiStrings
@@ -4304,36 +4872,32 @@
   * @param {module:path.uiStrings} strs
   * @returns {undefined}
   */
+
   var setUiStrings = function setUiStrings(strs) {
     Object.assign(uiStrings, strs.ui);
   };
-
   var pathFuncs = [];
-
-  var linkControlPts = true;
-
-  // Stores references to paths via IDs.
+  var linkControlPts = true; // Stores references to paths via IDs.
   // TODO: Make this cross-document happy.
-  var pathData = {};
 
+  var pathData = {};
   /**
   * @function module:path.setLinkControlPoints
   * @param {boolean} lcp
   * @returns {undefined}
   */
+
   var setLinkControlPoints = function setLinkControlPoints(lcp) {
     linkControlPts = lcp;
   };
-
   /**
    * @name module:path.path
    * @type {null|module:path.Path}
    * @memberof module:path
   */
+
   var path = null;
-
   var editorContext_ = null;
-
   /**
   * @external MouseEvent
   */
@@ -4347,44 +4911,52 @@
   * @property {module:path.SVGElementJSON[]} [children] - Data objects to be added recursively as children
   * @property {string} [namespace="http://www.w3.org/2000/svg"] - Indicate a (non-SVG) namespace
   */
+
   /**
    * @interface module:path.EditorContext
    * @property {module:select.SelectorManager} selectorManager
    * @property {module:svgcanvas.SvgCanvas} canvas
    */
+
   /**
    * @function module:path.EditorContext#call
    * @param {"selected"|"changed"} ev - String with the event name
    * @param {module:svgcanvas.SvgCanvas#event:selected|module:svgcanvas.SvgCanvas#event:changed} arg - Argument to pass through to the callback function. If the event is "changed", an array of `Element`s is passed; if "selected", a single-item array of `Element` is passed.
    * @returns {undefined}
    */
+
   /**
    * @function module:path.EditorContext#resetD
    * @param {SVGPathElement} p
    * @returns {undefined}
   */
+
   /**
    * Note: This doesn't round to an integer necessarily
    * @function module:path.EditorContext#round
    * @param {Float} val
    * @returns {Float} Rounded value to nearest value based on `currentZoom`
    */
+
   /**
    * @function module:path.EditorContext#clearSelection
    * @param {boolean} [noCall] - When `true`, does not call the "selected" handler
    * @returns {undefined}
   */
+
   /**
    * @function module:path.EditorContext#addToSelection
    * @param {Element[]} elemsToAdd - An array of DOM elements to add to the selection
    * @param {boolean} showGrips - Indicates whether the resize grips should be shown
    * @returns {undefined}
   */
+
   /**
    * @function module:path.EditorContext#addCommandToHistory
    * @param {Command} cmd
    * @returns {undefined}
    */
+
   /**
    * @function module:path.EditorContext#remapElement
    * @param {Element} selected - DOM element to be changed
@@ -4392,41 +4964,50 @@
    * @param {SVGMatrix} m - Matrix object to use for remapping coordinates
    * @returns {undefined}
    */
+
   /**
    * @function module:path.EditorContext#addSVGElementFromJson
    * @param {module:path.SVGElementJSON} data
    * @returns {Element} The new element
   */
+
   /**
    * @function module:path.EditorContext#getGridSnapping
    * @returns {boolean}
    */
+
   /**
    * @function module:path.EditorContext#getOpacity
    * @returns {Float}
    */
+
   /**
    * @function module:path.EditorContext#getSelectedElements
    * @returns {Element[]} the array with selected DOM elements
   */
+
   /**
    * @function module:path.EditorContext#getContainer
    * @returns {Element}
    */
+
   /**
    * @function module:path.EditorContext#setStarted
    * @param {boolean} s
    * @returns {undefined}
    */
+
   /**
    * @function module:path.EditorContext#getRubberBox
    * @returns {SVGRectElement}
   */
+
   /**
    * @function module:path.EditorContext#setRubberBox
    * @param {SVGRectElement} rb
    * @returns {SVGRectElement} Same as parameter passed in
    */
+
   /**
    * @function module:path.EditorContext#addPtsToSelection
    * @param {PlainObject} cfg
@@ -4434,6 +5015,7 @@
    * @param {SVGCircleElement[]} cfg.grips
    * @returns {undefined}
    */
+
   /**
    * @function module:path.EditorContext#endChanges
    * @param {PlainObject} cfg
@@ -4441,44 +5023,53 @@
    * @param {Element} cfg.elem
    * @returns {undefined}
   */
+
   /**
    * @function module:path.EditorContext#getCurrentZoom
    * @returns {Float} The current zoom level
    */
+
   /**
    * Returns the last created DOM element ID string
    * @function module:path.EditorContext#getId
    * @returns {string}
    */
+
   /**
    * Creates and returns a unique ID string for a DOM element
    * @function module:path.EditorContext#getNextId
    * @returns {string}
   */
+
   /**
    * Gets the desired element from a mouse event
    * @function module:path.EditorContext#getMouseTarget
    * @param {external:MouseEvent} evt - Event object from the mouse event
    * @returns {Element} DOM element we want
    */
+
   /**
    * @function module:path.EditorContext#getCurrentMode
    * @returns {string}
    */
+
   /**
    * @function module:path.EditorContext#setCurrentMode
    * @param {string} cm The mode
    * @returns {string} The same mode as passed in
   */
+
   /**
    * @function module:path.EditorContext#getDrawnPath
    * @returns {SVGPathElement|null}
    */
+
   /**
    * @function module:path.EditorContext#setDrawnPath
    * @param {SVGPathElement|null} dp
    * @returns {SVGPathElement|null} The same value as passed in
    */
+
   /**
    * @function module:path.EditorContext#getSVGRoot
    * @returns {SVGSVGElement}
@@ -4489,9 +5080,9 @@
   * @param {module:path.EditorContext} editorContext
   * @returns {undefined}
   */
+
   var init$1 = function init$$1(editorContext) {
     editorContext_ = editorContext;
-
     pathFuncs = [0, 'ClosePath'];
     var pathFuncsStrs = ['Moveto', 'Lineto', 'CurvetoCubic', 'CurvetoQuadratic', 'Arc', 'LinetoHorizontal', 'LinetoVertical', 'CurvetoCubicSmooth', 'CurvetoQuadraticSmooth'];
     $$1.each(pathFuncsStrs, function (i, s) {
@@ -4499,7 +5090,6 @@
       pathFuncs.push(s + 'Rel');
     });
   };
-
   /**
   * @function module:path.insertItemBefore
   * @param {Element} elem
@@ -4507,6 +5097,7 @@
   * @param {Integer} index
   * @returns {undefined}
   */
+
   var insertItemBefore = function insertItemBefore(elem, newseg, index) {
     // Support insertItemBefore on paths for FF2
     var list = elem.pathSegList;
@@ -4515,22 +5106,26 @@
       list.insertItemBefore(newseg, index);
       return;
     }
+
     var len = list.numberOfItems;
     var arr = [];
+
     for (var i = 0; i < len; i++) {
       var curSeg = list.getItem(i);
       arr.push(curSeg);
     }
+
     list.clear();
+
     for (var _i = 0; _i < len; _i++) {
       if (_i === index) {
         // index + 1
         list.appendItem(newseg);
       }
+
       list.appendItem(arr[_i]);
     }
   };
-
   /**
   * @function module:path.ptObjToArr
   * @todo See if this should just live in `replacePathSeg`
@@ -4538,22 +5133,22 @@
   * @param {SVGPathSegMovetoAbs|SVGPathSegLinetoAbs|SVGPathSegCurvetoCubicAbs|SVGPathSegCurvetoQuadraticAbs|SVGPathSegArcAbs|SVGPathSegLinetoHorizontalAbs|SVGPathSegLinetoVerticalAbs|SVGPathSegCurvetoCubicSmoothAbs|SVGPathSegCurvetoQuadraticSmoothAbs} segItem
   * @returns {ArgumentsArray}
   */
+
   var ptObjToArr = function ptObjToArr(type, segItem) {
     var props = segData[type];
     return props.map(function (prop) {
       return segItem[prop];
     });
   };
-
   /**
   * @function module:path.getGripPt
   * @param {Segment} seg
   * @param {module:math.XYObject} altPt
   * @returns {module:math.XYObject}
   */
+
   var getGripPt = function getGripPt(seg, altPt) {
     var path = seg.path;
-
     var out = {
       x: altPt ? altPt.x : seg.item.x,
       y: altPt ? altPt.y : seg.item.y
@@ -4567,16 +5162,15 @@
     var currentZoom = editorContext_.getCurrentZoom();
     out.x *= currentZoom;
     out.y *= currentZoom;
-
     return out;
   };
-
   /**
   * @function module:path.getPointFromGrip
   * @param {module:math.XYObject} pt
   * @param {module:path.Path} path
   * @returns {module:math.XYObject}
   */
+
   var getPointFromGrip = function getPointFromGrip(pt, path) {
     var out = {
       x: pt.x,
@@ -4592,10 +5186,8 @@
     var currentZoom = editorContext_.getCurrentZoom();
     out.x /= currentZoom;
     out.y /= currentZoom;
-
     return out;
   };
-
   /**
   * Requires prior call to `setUiStrings` if `xlink:title`
   *    to be set on the grip
@@ -4605,12 +5197,12 @@
   * @param {Integer} y
   * @returns {SVGCircleElement}
   */
+
   var addPointGrip = function addPointGrip(index, x, y) {
     // create the container of all the point grips
     var pointGripContainer = getGripContainer();
+    var pointGrip = getElem('pathpointgrip_' + index); // create it
 
-    var pointGrip = getElem('pathpointgrip_' + index);
-    // create it
     if (!pointGrip) {
       pointGrip = document.createElementNS(NS.SVG, 'circle');
       var atts = {
@@ -4623,13 +5215,14 @@
         cursor: 'move',
         style: 'pointer-events:all'
       };
+
       if ('pathNodeTooltip' in uiStrings) {
         // May be empty if running path.js without svg-editor
         atts['xlink:title'] = uiStrings.pathNodeTooltip;
       }
+
       assignAttributes(pointGrip, atts);
       pointGrip = pointGripContainer.appendChild(pointGrip);
-
       var grip = $$1('#pathpointgrip_' + index);
       grip.dblclick(function () {
         if (path) {
@@ -4637,6 +5230,7 @@
         }
       });
     }
+
     if (x && y) {
       // set up the point grip element and display it
       assignAttributes(pointGrip, {
@@ -4645,23 +5239,25 @@
         display: 'inline'
       });
     }
+
     return pointGrip;
   };
-
   /**
   * @function module:path.getGripContainer
   * @returns {Element}
   */
+
   var getGripContainer = function getGripContainer() {
     var c = getElem('pathpointgrip_container');
+
     if (!c) {
       var parent = getElem('selectorParentGroup');
       c = parent.appendChild(document.createElementNS(NS.SVG, 'g'));
       c.id = 'pathpointgrip_container';
     }
+
     return c;
   };
-
   /**
   * Requires prior call to `setUiStrings` if `xlink:title`
   *    to be set on the grip
@@ -4669,8 +5265,10 @@
   * @param {string} id
   * @returns {SVGCircleElement}
   */
+
   var addCtrlGrip = function addCtrlGrip(id) {
     var pointGrip = getElem('ctrlpointgrip_' + id);
+
     if (pointGrip) {
       return pointGrip;
     }
@@ -4686,22 +5284,25 @@
       cursor: 'move',
       style: 'pointer-events:all'
     };
+
     if ('pathCtrlPtTooltip' in uiStrings) {
       // May be empty if running path.js without svg-editor
       atts['xlink:title'] = uiStrings.pathCtrlPtTooltip;
     }
+
     assignAttributes(pointGrip, atts);
     getGripContainer().append(pointGrip);
     return pointGrip;
   };
-
   /**
   * @function module:path.getCtrlLine
   * @param {string} id
   * @returns {SVGLineElement}
   */
+
   var getCtrlLine = function getCtrlLine(id) {
     var ctrlLine = getElem('ctrlLine_' + id);
+
     if (ctrlLine) {
       return ctrlLine;
     }
@@ -4716,16 +5317,15 @@
     getGripContainer().append(ctrlLine);
     return ctrlLine;
   };
-
   /**
   * @function module:path.getPointGrip
   * @param {Segment} seg
   * @param {boolean} update
   * @returns {SVGCircleElement}
   */
+
   var getPointGrip = function getPointGrip(seg, update) {
     var index = seg.index;
-
     var pointGrip = addPointGrip(index);
 
     if (update) {
@@ -4739,12 +5339,12 @@
 
     return pointGrip;
   };
-
   /**
   * @function module:path.getControlPoints
   * @param {Segment} seg
   * @returns {PlainObject.<string, SVGLineElement|SVGCircleElement>}
   */
+
   var getControlPoints = function getControlPoints(seg) {
     var item = seg.item,
         index = seg.index;
@@ -4752,22 +5352,26 @@
     if (!('x1' in item) || !('x2' in item)) {
       return null;
     }
+
     var cpt = {};
-    /* const pointGripContainer = */getGripContainer();
+    /* const pointGripContainer = */
+
+    getGripContainer(); // Note that this is intentionally not seg.prev.item
 
-    // Note that this is intentionally not seg.prev.item
     var prev = path.segs[index - 1].item;
-
     var segItems = [prev, item];
 
     for (var i = 1; i < 3; i++) {
       var id = index + 'c' + i;
-
       var ctrlLine = cpt['c' + i + '_line'] = getCtrlLine(id);
-
-      var pt = getGripPt(seg, { x: item['x' + i], y: item['y' + i] });
-      var gpt = getGripPt(seg, { x: segItems[i - 1].x, y: segItems[i - 1].y });
-
+      var pt = getGripPt(seg, {
+        x: item['x' + i],
+        y: item['y' + i]
+      });
+      var gpt = getGripPt(seg, {
+        x: segItems[i - 1].x,
+        y: segItems[i - 1].y
+      });
       assignAttributes(ctrlLine, {
         x1: pt.x,
         y1: pt.y,
@@ -4775,12 +5379,9 @@
         y2: gpt.y,
         display: 'inline'
       });
+      cpt['c' + i + '_line'] = ctrlLine; // create it
 
-      cpt['c' + i + '_line'] = ctrlLine;
-
-      // create it
       var pointGrip = cpt['c' + i] = addCtrlGrip(id);
-
       assignAttributes(pointGrip, {
         cx: pt.x,
         cy: pt.y,
@@ -4788,9 +5389,9 @@
       });
       cpt['c' + i] = pointGrip;
     }
+
     return cpt;
   };
-
   /**
   * This replaces the segment at the given index. Type is given as number.
   * @function module:path.replacePathSeg
@@ -4799,9 +5400,9 @@
   * @param {ArgumentsArray} pts
   * @param {SVGPathElement} elem
   */
+
   var replacePathSeg = function replacePathSeg(type, index, pts, elem) {
     var pth = elem || path.elem;
-
     var func = 'createSVGPathSeg' + pathFuncs[type];
     var seg = pth[func].apply(pth, pts);
 
@@ -4811,11 +5412,14 @@
       var segList = pth.pathSegList;
       var len = segList.numberOfItems;
       var arr = [];
+
       for (var i = 0; i < len; i++) {
         var curSeg = segList.getItem(i);
         arr.push(curSeg);
       }
+
       segList.clear();
+
       for (var _i2 = 0; _i2 < len; _i2++) {
         if (_i2 === index) {
           segList.appendItem(seg);
@@ -4825,20 +5429,20 @@
       }
     }
   };
-
   /**
   * @function module:path.getSegSelector
   * @param {Segment} seg
   * @param {boolean} update
   * @returns {SVGPathElement}
   */
+
   var getSegSelector = function getSegSelector(seg, update) {
     var index = seg.index;
-
     var segLine = getElem('segline_' + index);
+
     if (!segLine) {
-      var pointGripContainer = getGripContainer();
-      // create segline
+      var pointGripContainer = getGripContainer(); // create segline
+
       segLine = document.createElementNS(NS.SVG, 'path');
       assignAttributes(segLine, {
         id: 'segline_' + index,
@@ -4860,22 +5464,26 @@
         return segLine;
       }
 
-      var pt = getGripPt(prev);
-      // Set start point
-      replacePathSeg(2, 0, [pt.x, pt.y], segLine);
+      var pt = getGripPt(prev); // Set start point
 
+      replacePathSeg(2, 0, [pt.x, pt.y], segLine);
       var pts = ptObjToArr(seg.type, seg.item); // , true);
+
       for (var i = 0; i < pts.length; i += 2) {
-        var _pt = getGripPt(seg, { x: pts[i], y: pts[i + 1] });
+        var _pt = getGripPt(seg, {
+          x: pts[i],
+          y: pts[i + 1]
+        });
+
         pts[i] = _pt.x;
         pts[i + 1] = _pt.y;
       }
 
       replacePathSeg(seg.type, 1, pts, segLine);
     }
+
     return segLine;
   };
-
   /**
    * @typedef {PlainObject} Point
    * @property {Integer} x The x value
@@ -4890,6 +5498,7 @@
   * @param {Point} pt - Object with x and y values (third point)
   * @returns {Point[]} Array of two "smoothed" point objects
   */
+
   var smoothControlPoints = function smoothControlPoints(ct1, ct2, pt) {
     // each point must not be the origin
     var x1 = ct1.x - pt.x,
@@ -4904,67 +5513,68 @@
           nct2 = editorContext_.getSVGRoot().createSVGPoint();
       var anglea = Math.atan2(y1, x1),
           angleb = Math.atan2(y2, x2);
+
       if (anglea < 0) {
         anglea += 2 * Math.PI;
       }
+
       if (angleb < 0) {
         angleb += 2 * Math.PI;
       }
 
       var angleBetween = Math.abs(anglea - angleb),
           angleDiff = Math.abs(Math.PI - angleBetween) / 2;
+      var newAnglea, newAngleb;
 
-      var newAnglea = void 0,
-          newAngleb = void 0;
       if (anglea - angleb > 0) {
         newAnglea = angleBetween < Math.PI ? anglea + angleDiff : anglea - angleDiff;
         newAngleb = angleBetween < Math.PI ? angleb - angleDiff : angleb + angleDiff;
       } else {
         newAnglea = angleBetween < Math.PI ? anglea - angleDiff : anglea + angleDiff;
         newAngleb = angleBetween < Math.PI ? angleb + angleDiff : angleb - angleDiff;
-      }
+      } // rotate the points
+
 
-      // rotate the points
       nct1.x = r1 * Math.cos(newAnglea) + pt.x;
       nct1.y = r1 * Math.sin(newAnglea) + pt.y;
       nct2.x = r2 * Math.cos(newAngleb) + pt.x;
       nct2.y = r2 * Math.sin(newAngleb) + pt.y;
-
       return [nct1, nct2];
     }
+
     return undefined;
   };
-
   /**
   *
   */
-  var Segment = function () {
+
+  var Segment =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {Integer} index
     * @param {SVGPathSeg} item
     * @todo Is `item` be more constrained here?
     */
     function Segment(index, item) {
-      classCallCheck(this, Segment);
+      _classCallCheck(this, Segment);
 
       this.selected = false;
       this.index = index;
       this.item = item;
       this.type = item.pathSegType;
-
       this.ctrlpts = [];
       this.ptgrip = null;
       this.segsel = null;
     }
-
     /**
      * @param {boolean} y
      * @returns {undefined}
      */
 
 
-    createClass(Segment, [{
-      key: 'showCtrlPts',
+    _createClass(Segment, [{
+      key: "showCtrlPts",
       value: function showCtrlPts(y) {
         for (var i in this.ctrlpts) {
           if (this.ctrlpts.hasOwnProperty(i)) {
@@ -4972,71 +5582,69 @@
           }
         }
       }
-
       /**
        * @param {boolean} y
        * @returns {undefined}
        */
 
     }, {
-      key: 'selectCtrls',
+      key: "selectCtrls",
       value: function selectCtrls(y) {
         $$1('#ctrlpointgrip_' + this.index + 'c1, #ctrlpointgrip_' + this.index + 'c2').attr('fill', y ? '#0FF' : '#EEE');
       }
-
       /**
        * @param {boolean} y
        * @returns {undefined}
        */
 
     }, {
-      key: 'show',
+      key: "show",
       value: function show(y) {
         if (this.ptgrip) {
           this.ptgrip.setAttribute('display', y ? 'inline' : 'none');
-          this.segsel.setAttribute('display', y ? 'inline' : 'none');
-          // Show/hide all control points if available
+          this.segsel.setAttribute('display', y ? 'inline' : 'none'); // Show/hide all control points if available
+
           this.showCtrlPts(y);
         }
       }
-
       /**
        * @param {boolean} y
        * @returns {undefined}
        */
 
     }, {
-      key: 'select',
+      key: "select",
       value: function select(y) {
         if (this.ptgrip) {
           this.ptgrip.setAttribute('stroke', y ? '#0FF' : '#00F');
           this.segsel.setAttribute('display', y ? 'inline' : 'none');
+
           if (this.ctrlpts) {
             this.selectCtrls(y);
           }
+
           this.selected = y;
         }
       }
-
       /**
        * @returns {undefined}
        */
 
     }, {
-      key: 'addGrip',
+      key: "addGrip",
       value: function addGrip() {
         this.ptgrip = getPointGrip(this, true);
         this.ctrlpts = getControlPoints(this); // , true);
+
         this.segsel = getSegSelector(this, true);
       }
-
       /**
        * @param {boolean} full
        * @returns {undefined}
        */
 
     }, {
-      key: 'update',
+      key: "update",
       value: function update(full) {
         if (this.ptgrip) {
           var pt = getGripPt(this);
@@ -5044,7 +5652,6 @@
             cx: pt.x,
             cy: pt.y
           });
-
           getSegSelector(this, true);
 
           if (this.ctrlpts) {
@@ -5052,12 +5659,12 @@
               this.item = path.elem.pathSegList.getItem(this.index);
               this.type = this.item.pathSegType;
             }
+
             getControlPoints(this);
-          }
-          // this.segsel.setAttribute('display', y ? 'inline' : 'none');
+          } // this.segsel.setAttribute('display', y ? 'inline' : 'none');
+
         }
       }
-
       /**
        * @param {Integer} dx
        * @param {Integer} dy
@@ -5065,13 +5672,10 @@
        */
 
     }, {
-      key: 'move',
+      key: "move",
       value: function move(dx, dy) {
         var item = this.item;
-
-
         var curPts = this.ctrlpts ? [item.x += dx, item.y += dy, item.x1, item.y1, item.x2 += dx, item.y2 += dy] : [item.x += dx, item.y += dy];
-
         replacePathSeg(this.type, this.index, curPts);
 
         if (this.next && this.next.ctrlpts) {
@@ -5084,57 +5688,54 @@
           // The last point of a closed subpath has a 'mate',
           // which is the 'M' segment of the subpath
           var _item = this.mate.item;
-
           var pts = [_item.x += dx, _item.y += dy];
-          replacePathSeg(this.mate.type, this.mate.index, pts);
-          // Has no grip, so does not need 'updating'?
+          replacePathSeg(this.mate.type, this.mate.index, pts); // Has no grip, so does not need 'updating'?
         }
 
         this.update(true);
+
         if (this.next) {
           this.next.update(true);
         }
       }
-
       /**
        * @param {Integer} num
        * @returns {undefined}
        */
 
     }, {
-      key: 'setLinked',
+      key: "setLinked",
       value: function setLinked(num) {
-        var seg = void 0,
-            anum = void 0,
-            pt = void 0;
+        var seg, anum, pt;
+
         if (num === 2) {
           anum = 1;
           seg = this.next;
+
           if (!seg) {
             return;
           }
+
           pt = this.item;
         } else {
           anum = 2;
           seg = this.prev;
+
           if (!seg) {
             return;
           }
+
           pt = seg.item;
         }
 
         var _seg = seg,
             item = _seg.item;
-
         item['x' + anum] = pt.x + (pt.x - this.item['x' + num]);
         item['y' + anum] = pt.y + (pt.y - this.item['y' + num]);
-
         var pts = [item.x, item.y, item.x1, item.y1, item.x2, item.y2];
-
         replacePathSeg(seg.type, seg.index, pts);
         seg.update(true);
       }
-
       /**
        * @param {Integer} num
        * @param {Integer} dx
@@ -5143,26 +5744,22 @@
        */
 
     }, {
-      key: 'moveCtrl',
+      key: "moveCtrl",
       value: function moveCtrl(num, dx, dy) {
         var item = this.item;
-
         item['x' + num] += dx;
         item['y' + num] += dy;
-
         var pts = [item.x, item.y, item.x1, item.y1, item.x2, item.y2];
-
         replacePathSeg(this.type, this.index, pts);
         this.update(true);
       }
-
       /**
        * @param {Integer} newType Possible values set during {@link module:path.init}
        * @param {ArgumentsArray} pts
        */
 
     }, {
-      key: 'setType',
+      key: "setType",
       value: function setType(newType, pts) {
         replacePathSeg(newType, this.index, pts);
         this.type = newType;
@@ -5172,19 +5769,22 @@
         this.update(true);
       }
     }]);
+
     return Segment;
   }();
-
   /**
   *
   */
-  var Path = function () {
+
+  var Path =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {SVGPathElement}
     * @throws {Error} If constructed without a path element
     */
     function Path(elem) {
-      classCallCheck(this, Path);
+      _classCallCheck(this, Path);
 
       if (!elem || elem.tagName !== 'path') {
         throw new Error('svgedit.path.Path constructed without a <path> element');
@@ -5194,33 +5794,28 @@
       this.segs = [];
       this.selected_pts = [];
       path = this;
-
       this.init();
     }
-
     /**
     * Reset path data
     * @returns {module:path.Path}
     */
 
 
-    createClass(Path, [{
-      key: 'init',
+    _createClass(Path, [{
+      key: "init",
       value: function init$$1() {
         // Hide all grips, etc
-
         // fixed, needed to work on all found elements, not just first
         $$1(getGripContainer()).find('*').each(function () {
           $$1(this).attr('display', 'none');
         });
-
         var segList = this.elem.pathSegList;
         var len = segList.numberOfItems;
         this.segs = [];
         this.selected_pts = [];
-        this.first_seg = null;
+        this.first_seg = null; // Set up segs array
 
-        // Set up segs array
         for (var i = 0; i < len; i++) {
           var item = segList.getItem(i);
           var segment = new Segment(i, item);
@@ -5229,13 +5824,13 @@
         }
 
         var segs = this.segs;
-
-
         var startI = null;
+
         for (var _i3 = 0; _i3 < len; _i3++) {
           var seg = segs[_i3];
           var nextSeg = _i3 + 1 >= len ? null : segs[_i3 + 1];
           var prevSeg = _i3 - 1 < 0 ? null : segs[_i3 - 1];
+
           if (seg.type === 2) {
             if (prevSeg && prevSeg.type !== 1) {
               // New sub-path, last one is open,
@@ -5244,18 +5839,19 @@
               startSeg.next = segs[startI + 1];
               startSeg.next.prev = startSeg;
               startSeg.addGrip();
-            }
-            // Remember that this is a starter seg
+            } // Remember that this is a starter seg
+
+
             startI = _i3;
           } else if (nextSeg && nextSeg.type === 1) {
             // This is the last real segment of a closed sub-path
             // Next is first seg after "M"
-            seg.next = segs[startI + 1];
+            seg.next = segs[startI + 1]; // First seg after "M"'s prev is this
 
-            // First seg after "M"'s prev is this
             seg.next.prev = seg;
             seg.mate = segs[startI];
             seg.addGrip();
+
             if (this.first_seg == null) {
               this.first_seg = seg;
             }
@@ -5266,7 +5862,9 @@
               var _startSeg = segs[startI];
               _startSeg.next = segs[startI + 1];
               _startSeg.next.prev = _startSeg;
+
               _startSeg.addGrip();
+
               seg.addGrip();
 
               if (!this.first_seg) {
@@ -5276,60 +5874,60 @@
             }
           } else if (seg.type !== 1) {
             // Regular segment, so add grip and its "next"
-            seg.addGrip();
+            seg.addGrip(); // Don't set its "next" if it's an "M"
 
-            // Don't set its "next" if it's an "M"
             if (nextSeg && nextSeg.type !== 2) {
               seg.next = nextSeg;
               seg.next.prev = seg;
             }
           }
         }
+
         return this;
       }
-
       /**
       * @callback module:path.PathEachSegCallback
       * @this module:path.Segment
       * @param {Integer} i The index of the seg being iterated
       * @returns {boolean} Will stop execution of `eachSeg` if returns `false`
       */
+
       /**
       * @param {module:path.PathEachSegCallback} fn
       * @returns {undefined}
       */
 
     }, {
-      key: 'eachSeg',
+      key: "eachSeg",
       value: function eachSeg(fn) {
         var len = this.segs.length;
+
         for (var i = 0; i < len; i++) {
           var ret = fn.call(this.segs[i], i);
+
           if (ret === false) {
             break;
           }
         }
       }
-
       /**
       * @param {Integer} index
       * @returns {undefined}
       */
 
     }, {
-      key: 'addSeg',
+      key: "addSeg",
       value: function addSeg(index) {
         // Adds a new segment
         var seg = this.segs[index];
+
         if (!seg.prev) {
           return;
         }
 
         var prev = seg.prev;
+        var newseg, newX, newY;
 
-        var newseg = void 0,
-            newX = void 0,
-            newY = void 0;
         switch (seg.item.pathSegType) {
           case 4:
             {
@@ -5337,7 +5935,9 @@
               newY = (seg.item.y + prev.item.y) / 2;
               newseg = this.elem.createSVGPathSegLinetoAbs(newX, newY);
               break;
-            }case 6:
+            }
+
+          case 6:
             {
               // make it a curved segment to preserve the shape (WRS)
               // https://en.wikipedia.org/wiki/De_Casteljau%27s_algorithm#Geometric_interpretation
@@ -5362,29 +5962,25 @@
 
         insertItemBefore(this.elem, newseg, index);
       }
-
       /**
       * @param {Integer} index
       * @returns {undefined}
       */
 
     }, {
-      key: 'deleteSeg',
+      key: "deleteSeg",
       value: function deleteSeg(index) {
         var seg = this.segs[index];
         var list = this.elem.pathSegList;
-
         seg.show(false);
         var next = seg.next;
 
         if (seg.mate) {
           // Make the next point be the "M" point
           var pt = [next.item.x, next.item.y];
-          replacePathSeg(2, next.index, pt);
+          replacePathSeg(2, next.index, pt); // Reposition last node
 
-          // Reposition last node
           replacePathSeg(4, seg.index, pt);
-
           list.removeItem(seg.mate.index);
         } else if (!seg.prev) {
           // First node of open path, make next point the M
@@ -5396,57 +5992,57 @@
           list.removeItem(index);
         }
       }
-
       /**
       * @param {Integer} index
       * @returns {boolean}
       */
 
     }, {
-      key: 'subpathIsClosed',
+      key: "subpathIsClosed",
       value: function subpathIsClosed(index) {
-        var closed = false;
-        // Check if subpath is already open
+        var closed = false; // Check if subpath is already open
+
         path.eachSeg(function (i) {
           if (i <= index) {
             return true;
           }
+
           if (this.type === 2) {
             // Found M first, so open
             return false;
           }
+
           if (this.type === 1) {
             // Found Z first, so closed
             closed = true;
             return false;
           }
         });
-
         return closed;
       }
-
       /**
       * @param {Integer} index
       * @returns {undefined}
       */
 
     }, {
-      key: 'removePtFromSelection',
+      key: "removePtFromSelection",
       value: function removePtFromSelection(index) {
         var pos = this.selected_pts.indexOf(index);
+
         if (pos === -1) {
           return;
         }
+
         this.segs[index].select(false);
         this.selected_pts.splice(pos, 1);
       }
-
       /**
       * @returns {undefined}
       */
 
     }, {
-      key: 'clearSelection',
+      key: "clearSelection",
       value: function clearSelection() {
         this.eachSeg(function () {
           // 'this' is the segment here
@@ -5454,36 +6050,35 @@
         });
         this.selected_pts = [];
       }
-
       /**
       * @returns {undefined}
       */
 
     }, {
-      key: 'storeD',
+      key: "storeD",
       value: function storeD() {
         this.last_d = this.elem.getAttribute('d');
       }
-
       /**
       * @param {Integer} y
       * @returns {undefined}
       */
 
     }, {
-      key: 'show',
+      key: "show",
       value: function show(y) {
         // Shows this path's segment grips
         this.eachSeg(function () {
           // 'this' is the segment here
           this.show(y);
         });
+
         if (y) {
           this.selectPt(this.first_seg.index);
         }
+
         return this;
       }
-
       /**
       * Move selected points
       * @param {Integer} dx
@@ -5492,15 +6087,15 @@
       */
 
     }, {
-      key: 'movePts',
+      key: "movePts",
       value: function movePts(dx, dy) {
         var i = this.selected_pts.length;
+
         while (i--) {
           var seg = this.segs[this.selected_pts[i]];
           seg.move(dx, dy);
         }
       }
-
       /**
       * @param {Integer} dx
       * @param {Integer} dy
@@ -5508,30 +6103,30 @@
       */
 
     }, {
-      key: 'moveCtrl',
+      key: "moveCtrl",
       value: function moveCtrl(dx, dy) {
         var seg = this.segs[this.selected_pts[0]];
         seg.moveCtrl(this.dragctrl, dx, dy);
+
         if (linkControlPts) {
           seg.setLinked(this.dragctrl);
         }
       }
-
       /**
       * @param {?Integer} newType See {@link https://www.w3.org/TR/SVG/single-page.html#paths-InterfaceSVGPathSeg}
       * @returns {undefined}
       */
 
     }, {
-      key: 'setSegType',
+      key: "setSegType",
       value: function setSegType(newType) {
         this.storeD();
         var i = this.selected_pts.length;
-        var text = void 0;
-        while (i--) {
-          var selPt = this.selected_pts[i];
+        var text;
+
+        while (i--) {
+          var selPt = this.selected_pts[i]; // Selected seg
 
-          // Selected seg
           var cur = this.segs[selPt];
           var prev = cur.prev;
 
@@ -5541,21 +6136,19 @@
 
           if (!newType) {
             // double-click, so just toggle
-            text = 'Toggle Path Segment Type';
+            text = 'Toggle Path Segment Type'; // Toggle segment to curve/straight line
 
-            // Toggle segment to curve/straight line
             var oldType = cur.type;
-
             newType = oldType === 6 ? 4 : 6;
           }
 
           newType = Number(newType);
-
           var curX = cur.item.x;
           var curY = cur.item.y;
           var prevX = prev.item.x;
           var prevY = prev.item.y;
           var points = void 0;
+
           switch (newType) {
             case 6:
               {
@@ -5564,8 +6157,8 @@
                   points = [curX, curY, old.x1, old.y1, old.x2, old.y2];
                 } else {
                   var diffX = curX - prevX;
-                  var diffY = curY - prevY;
-                  // get control points from straight line segment
+                  var diffY = curY - prevY; // get control points from straight line segment
+
                   /*
                   const ct1x = (prevX + (diffY/2));
                   const ct1y = (prevY - (diffX/2));
@@ -5573,18 +6166,21 @@
                   const ct2y = (curY - (diffX/2));
                   */
                   // create control points on the line to preserve the shape (WRS)
+
                   var ct1x = prevX + diffX / 3;
                   var ct1y = prevY + diffY / 3;
                   var ct2x = curX - diffX / 3;
                   var ct2y = curY - diffY / 3;
                   points = [curX, curY, ct1x, ct1y, ct2x, ct2y];
                 }
-                break;
-              }case 4:
-              {
-                points = [curX, curY];
 
-                // Store original prevve segment nums
+                break;
+              }
+
+            case 4:
+              {
+                points = [curX, curY]; // Store original prevve segment nums
+
                 cur.olditem = cur.item;
                 break;
               }
@@ -5592,9 +6188,9 @@
 
           cur.setType(newType, points);
         }
+
         path.endChanges(text);
       }
-
       /**
       * @param {Integer} pt
       * @param {Integer} ctrlNum
@@ -5602,9 +6198,10 @@
       */
 
     }, {
-      key: 'selectPt',
+      key: "selectPt",
       value: function selectPt(pt, ctrlNum) {
         this.clearSelection();
+
         if (pt == null) {
           this.eachSeg(function (i) {
             // 'this' is the segment here.
@@ -5613,7 +6210,9 @@
             }
           });
         }
+
         this.addPtsToSelection(pt);
+
         if (ctrlNum) {
           this.dragctrl = ctrlNum;
 
@@ -5622,14 +6221,13 @@
           }
         }
       }
-
       /**
       * Update position of all points
       * @returns {Path}
       */
 
     }, {
-      key: 'update',
+      key: "update",
       value: function update() {
         var elem = this.elem;
 
@@ -5645,119 +6243,123 @@
           this.item = elem.pathSegList.getItem(i);
           this.update();
         });
-
         return this;
       }
-
       /**
       * @param {string} text
       * @returns {undefined}
       */
 
     }, {
-      key: 'endChanges',
+      key: "endChanges",
       value: function endChanges(text) {
         if (isWebkit()) {
           editorContext_.resetD(this.elem);
         }
-        var cmd = new ChangeElementCommand(this.elem, { d: this.last_d }, text);
-        editorContext_.endChanges({ cmd: cmd, elem: this.elem });
-      }
 
+        var cmd = new ChangeElementCommand(this.elem, {
+          d: this.last_d
+        }, text);
+        editorContext_.endChanges({
+          cmd: cmd,
+          elem: this.elem
+        });
+      }
       /**
       * @param {Integer|Integer[]} indexes
       * @returns {undefined}
       */
 
     }, {
-      key: 'addPtsToSelection',
+      key: "addPtsToSelection",
       value: function addPtsToSelection(indexes) {
         if (!Array.isArray(indexes)) {
           indexes = [indexes];
         }
+
         for (var _i4 = 0; _i4 < indexes.length; _i4++) {
           var index = indexes[_i4];
           var seg = this.segs[index];
+
           if (seg.ptgrip) {
             if (!this.selected_pts.includes(index) && index >= 0) {
               this.selected_pts.push(index);
             }
           }
         }
+
         this.selected_pts.sort();
         var i = this.selected_pts.length;
         var grips = [];
-        grips.length = i;
-        // Loop through points to be selected and highlight each
+        grips.length = i; // Loop through points to be selected and highlight each
+
         while (i--) {
           var pt = this.selected_pts[i];
           var _seg2 = this.segs[pt];
+
           _seg2.select(true);
+
           grips[i] = _seg2.ptgrip;
         }
 
         var closedSubpath = this.subpathIsClosed(this.selected_pts[0]);
-        editorContext_.addPtsToSelection({ grips: grips, closedSubpath: closedSubpath });
+        editorContext_.addPtsToSelection({
+          grips: grips,
+          closedSubpath: closedSubpath
+        });
       }
     }]);
+
     return Path;
   }();
-
   /**
   * @function module:path.getPath_
   * @param {SVGPathElement} elem
   * @returns {module:path.Path}
   */
+
   var getPath_ = function getPath_(elem) {
     var p = pathData[elem.id];
+
     if (!p) {
       p = pathData[elem.id] = new Path(elem);
     }
+
     return p;
   };
-
   /**
   * @function module:path.removePath_
   * @param {string} id
   * @returns {undefined}
   */
+
   var removePath_ = function removePath_(id) {
     if (id in pathData) {
       delete pathData[id];
     }
   };
-
-  var newcx = void 0,
-      newcy = void 0,
-      oldcx = void 0,
-      oldcy = void 0,
-      angle = void 0;
+  var newcx, newcy, oldcx, oldcy, angle;
 
   var getRotVals = function getRotVals(x, y) {
     var dx = x - oldcx;
-    var dy = y - oldcy;
+    var dy = y - oldcy; // rotate the point around the old center
 
-    // rotate the point around the old center
     var r = Math.sqrt(dx * dx + dy * dy);
     var theta = Math.atan2(dy, dx) + angle;
     dx = r * Math.cos(theta) + oldcx;
-    dy = r * Math.sin(theta) + oldcy;
-
-    // dx,dy should now hold the actual coordinates of each
+    dy = r * Math.sin(theta) + oldcy; // dx,dy should now hold the actual coordinates of each
     // point after being rotated
-
     // now we want to rotate them around the new center in the reverse direction
+
     dx -= newcx;
     dy -= newcy;
-
     r = Math.sqrt(dx * dx + dy * dy);
     theta = Math.atan2(dy, dx) - angle;
-
-    return { x: r * Math.cos(theta) + newcx,
-      y: r * Math.sin(theta) + newcy };
-  };
-
-  // If the path was rotated, we must now pay the piper:
+    return {
+      x: r * Math.cos(theta) + newcx,
+      y: r * Math.sin(theta) + newcy
+    };
+  }; // If the path was rotated, we must now pay the piper:
   // Every path point must be rotated into the rotated coordinate system of
   // its old center, then determine the new center, then rotate it back
   // This is because we want the path to remember its rotation
@@ -5768,113 +6370,116 @@
   * be optimized or even taken care of by `recalculateDimensions`
   * @returns {undefined}
   */
+
+
   var recalcRotatedPath = function recalcRotatedPath() {
     var currentPath = path.elem;
     angle = getRotationAngle(currentPath, true);
+
     if (!angle) {
       return;
-    }
-    // selectedBBoxes[0] = path.oldbbox;
+    } // selectedBBoxes[0] = path.oldbbox;
+
+
     var oldbox = path.oldbbox; // selectedBBoxes[0],
+
     oldcx = oldbox.x + oldbox.width / 2;
     oldcy = oldbox.y + oldbox.height / 2;
     var box = getBBox(currentPath);
     newcx = box.x + box.width / 2;
-    newcy = box.y + box.height / 2;
+    newcy = box.y + box.height / 2; // un-rotate the new center to the proper position
 
-    // un-rotate the new center to the proper position
     var dx = newcx - oldcx,
         dy = newcy - oldcy,
         r = Math.sqrt(dx * dx + dy * dy),
         theta = Math.atan2(dy, dx) + angle;
-
     newcx = r * Math.cos(theta) + oldcx;
     newcy = r * Math.sin(theta) + oldcy;
-
     var list = currentPath.pathSegList;
-
     var i = list.numberOfItems;
+
     while (i) {
       i -= 1;
       var seg = list.getItem(i),
           type = seg.pathSegType;
+
       if (type === 1) {
         continue;
       }
 
       var rvals = getRotVals(seg.x, seg.y),
           points = [rvals.x, rvals.y];
+
       if (seg.x1 != null && seg.x2 != null) {
         var cVals1 = getRotVals(seg.x1, seg.y1);
         var cVals2 = getRotVals(seg.x2, seg.y2);
         points.splice(points.length, 0, cVals1.x, cVals1.y, cVals2.x, cVals2.y);
       }
+
       replacePathSeg(type, i, points);
     } // loop for each point
 
-    /* box = */getBBox(currentPath);
-    // selectedBBoxes[0].x = box.x; selectedBBoxes[0].y = box.y;
-    // selectedBBoxes[0].width = box.width; selectedBBoxes[0].height = box.height;
+    /* box = */
 
+
+    getBBox(currentPath); // selectedBBoxes[0].x = box.x; selectedBBoxes[0].y = box.y;
+    // selectedBBoxes[0].width = box.width; selectedBBoxes[0].height = box.height;
     // now we must set the new transform to be rotated around the new center
+
     var Rnc = editorContext_.getSVGRoot().createSVGTransform(),
         tlist = getTransformList(currentPath);
     Rnc.setRotate(angle * 180.0 / Math.PI, newcx, newcy);
     tlist.replaceItem(Rnc, 0);
-  };
-
-  // ====================================
+  }; // ====================================
   // Public API starts here
 
   /**
   * @function module:path.clearData
   * @returns {undefined}
   */
+
   var clearData = function clearData() {
     pathData = {};
-  };
+  }; // Making public for mocking
 
-  // Making public for mocking
   /**
   * @function module:path.reorientGrads
   * @param {Element} elem
   * @param {SVGMatrix} m
   * @returns {undefined}
   */
+
   var reorientGrads = function reorientGrads(elem, m) {
     var bb = getBBox(elem);
+
     for (var i = 0; i < 2; i++) {
       var type = i === 0 ? 'fill' : 'stroke';
       var attrVal = elem.getAttribute(type);
+
       if (attrVal && attrVal.startsWith('url(')) {
         var grad = getRefElem(attrVal);
+
         if (grad.tagName === 'linearGradient') {
           var x1 = grad.getAttribute('x1') || 0;
           var y1 = grad.getAttribute('y1') || 0;
           var x2 = grad.getAttribute('x2') || 1;
-          var y2 = grad.getAttribute('y2') || 0;
+          var y2 = grad.getAttribute('y2') || 0; // Convert to USOU points
 
-          // Convert to USOU points
           x1 = bb.width * x1 + bb.x;
           y1 = bb.height * y1 + bb.y;
           x2 = bb.width * x2 + bb.x;
-          y2 = bb.height * y2 + bb.y;
+          y2 = bb.height * y2 + bb.y; // Transform those points
 
-          // Transform those points
           var pt1 = transformPoint(x1, y1, m);
-          var pt2 = transformPoint(x2, y2, m);
+          var pt2 = transformPoint(x2, y2, m); // Convert back to BB points
 
-          // Convert back to BB points
           var gCoords = {};
-
           gCoords.x1 = (pt1.x - bb.x) / bb.width;
           gCoords.y1 = (pt1.y - bb.y) / bb.height;
           gCoords.x2 = (pt2.x - bb.x) / bb.width;
           gCoords.y2 = (pt2.y - bb.y) / bb.height;
-
           var newgrad = grad.cloneNode(true);
           $$1(newgrad).attr(gCoords);
-
           newgrad.id = editorContext_.getNextId();
           findDefs().append(newgrad);
           elem.setAttribute(type, 'url(#' + newgrad.id + ')');
@@ -5882,14 +6487,13 @@
       }
     }
   };
-
   /**
   * This is how we map paths to our preferred relative segment types
   * @name module:path.pathMap
   * @type {GenericArray}
   */
-  var pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a', 'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];
 
+  var pathMap = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a', 'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];
   /**
    * Convert a path to one with only absolute or relative values
    * @todo move to pathActions.js
@@ -5898,6 +6502,7 @@
    * @param {boolean} toRel - true of convert to relative
    * @returns {string}
    */
+
   var convertPath = function convertPath(path, toRel) {
     var segList = path.pathSegList;
     var len = segList.numberOfItems;
@@ -5907,15 +6512,14 @@
     var lastM = null;
 
     for (var i = 0; i < len; ++i) {
-      var seg = segList.getItem(i);
-      // if these properties are not in the segment, set them to zero
+      var seg = segList.getItem(i); // if these properties are not in the segment, set them to zero
+
       var x = seg.x || 0,
           y = seg.y || 0,
           x1 = seg.x1 || 0,
           y1 = seg.y1 || 0,
           x2 = seg.x2 || 0,
           y2 = seg.y2 || 0;
-
       var type = seg.pathSegType;
       var letter = pathMap[type]['to' + (toRel ? 'Lower' : 'Upper') + 'Case']();
 
@@ -5923,15 +6527,19 @@
         case 1:
           // z,Z closepath (Z/z)
           d += 'z';
+
           if (lastM && !toRel) {
             curx = lastM[0];
             cury = lastM[1];
           }
+
           break;
+
         case 12:
           // absolute horizontal line (H)
           x -= curx;
         // Fallthrough
+
         case 13:
           // relative horizontal line (h)
           if (toRel) {
@@ -5941,14 +6549,17 @@
             x += curx;
             curx = x;
             letter = 'L';
-          }
-          // Convert to "line" for easier editing
+          } // Convert to "line" for easier editing
+
+
           d += pathDSegment(letter, [[x, cury]]);
           break;
+
         case 14:
           // absolute vertical line (V)
           y -= cury;
         // Fallthrough
+
         case 15:
           // relative vertical line (v)
           if (toRel) {
@@ -5958,19 +6569,26 @@
             y += cury;
             cury = y;
             letter = 'L';
-          }
-          // Convert to "line" for easier editing
+          } // Convert to "line" for easier editing
+
+
           d += pathDSegment(letter, [[curx, y]]);
           break;
+
         case 2: // absolute move (M)
+
         case 4: // absolute line (L)
+
         case 18:
           // absolute smooth quad (T)
           x -= curx;
           y -= cury;
         // Fallthrough
+
         case 5: // relative line (l)
+
         case 3: // relative move (m)
+
         case 19:
           // relative smooth quad (t)
           if (toRel) {
@@ -5982,53 +6600,74 @@
             curx = x;
             cury = y;
           }
+
           if (type === 2 || type === 3) {
             lastM = [curx, cury];
           }
 
           d += pathDSegment(letter, [[x, y]]);
           break;
+
         case 6:
           // absolute cubic (C)
-          x -= curx;x1 -= curx;x2 -= curx;
-          y -= cury;y1 -= cury;y2 -= cury;
+          x -= curx;
+          x1 -= curx;
+          x2 -= curx;
+          y -= cury;
+          y1 -= cury;
+          y2 -= cury;
         // Fallthrough
+
         case 7:
           // relative cubic (c)
           if (toRel) {
             curx += x;
             cury += y;
           } else {
-            x += curx;x1 += curx;x2 += curx;
-            y += cury;y1 += cury;y2 += cury;
+            x += curx;
+            x1 += curx;
+            x2 += curx;
+            y += cury;
+            y1 += cury;
+            y2 += cury;
             curx = x;
             cury = y;
           }
+
           d += pathDSegment(letter, [[x1, y1], [x2, y2], [x, y]]);
           break;
+
         case 8:
           // absolute quad (Q)
-          x -= curx;x1 -= curx;
-          y -= cury;y1 -= cury;
+          x -= curx;
+          x1 -= curx;
+          y -= cury;
+          y1 -= cury;
         // Fallthrough
+
         case 9:
           // relative quad (q)
           if (toRel) {
             curx += x;
             cury += y;
           } else {
-            x += curx;x1 += curx;
-            y += cury;y1 += cury;
+            x += curx;
+            x1 += curx;
+            y += cury;
+            y1 += cury;
             curx = x;
             cury = y;
           }
+
           d += pathDSegment(letter, [[x1, y1], [x, y]]);
           break;
+
         case 10:
           // absolute elliptical arc (A)
           x -= curx;
           y -= cury;
         // Fallthrough
+
         case 11:
           // relative elliptical arc (a)
           if (toRel) {
@@ -6040,31 +6679,41 @@
             curx = x;
             cury = y;
           }
+
           d += pathDSegment(letter, [[seg.r1, seg.r2]], [seg.angle, seg.largeArcFlag ? 1 : 0, seg.sweepFlag ? 1 : 0], [x, y]);
           break;
+
         case 16:
           // absolute smooth cubic (S)
-          x -= curx;x2 -= curx;
-          y -= cury;y2 -= cury;
+          x -= curx;
+          x2 -= curx;
+          y -= cury;
+          y2 -= cury;
         // Fallthrough
+
         case 17:
           // relative smooth cubic (s)
           if (toRel) {
             curx += x;
             cury += y;
           } else {
-            x += curx;x2 += curx;
-            y += cury;y2 += cury;
+            x += curx;
+            x2 += curx;
+            y += cury;
+            y2 += cury;
             curx = x;
             cury = y;
           }
+
           d += pathDSegment(letter, [[x2, y2], [x, y]]);
           break;
       } // switch on path segment type
+
     } // for each segment
+
+
     return d;
   };
-
   /**
    * TODO: refactor callers in convertPath to use getPathDFromSegments instead of this function.
    * Legacy code refactored from svgcanvas.pathActions.convertPath
@@ -6074,34 +6723,36 @@
    * @param {Integer[]} [lastPoint] - x,y point
    * @returns {string}
    */
+
   function pathDSegment(letter, points, morePoints, lastPoint) {
     $$1.each(points, function (i, pnt) {
       points[i] = shortFloat(pnt);
     });
     var segment = letter + points.join(' ');
+
     if (morePoints) {
       segment += ' ' + morePoints.join(' ');
     }
+
     if (lastPoint) {
       segment += ' ' + shortFloat(lastPoint);
     }
+
     return segment;
   }
-
   /**
   * Group: Path edit functions
   * Functions relating to editing path elements
   * @namespace {PlainObject} pathActions
   * @memberof module:path
   */
+
+
   var pathActions = function () {
     var subpath = false;
-    var newPoint = void 0,
-        firstCtrl = void 0;
-
+    var newPoint, firstCtrl;
     var currentPath = null;
-    var hasMoved = false;
-    // No `editorContext_` yet but should be ok as is `null` by default
+    var hasMoved = false; // No `editorContext_` yet but should be ok as is `null` by default
     // editorContext_.setDrawnPath(null);
 
     /**
@@ -6112,12 +6763,13 @@
     * @param {Element} element
     * @returns {Element}
     */
+
     var smoothPolylineIntoPath = function smoothPolylineIntoPath(element) {
-      var i = void 0;
+      var i;
       var _element = element,
           points = _element.points;
-
       var N = points.numberOfItems;
+
       if (N >= 4) {
         // loop through every 3 points and convert to a cubic bezier curve segment
         //
@@ -6136,15 +6788,16 @@
             prevCtlPt = null;
         var d = [];
         d.push(['M', curpos.x, ',', curpos.y, ' C'].join(''));
+
         for (i = 1; i <= N - 4; i += 3) {
           var ct1 = points.getItem(i);
           var ct2 = points.getItem(i + 1);
-          var end = points.getItem(i + 2);
-
-          // if the previous segment had a control point, we want to smooth out
+          var end = points.getItem(i + 2); // if the previous segment had a control point, we want to smooth out
           // the control points on both sides
+
           if (prevCtlPt) {
             var newpts = smoothControlPoints(prevCtlPt, ct1, curpos);
+
             if (newpts && newpts.length === 2) {
               var prevArr = d[d.length - 1].split(',');
               prevArr[2] = newpts[0].x;
@@ -6155,20 +6808,21 @@
           }
 
           d.push([ct1.x, ct1.y, ct2.x, ct2.y, end.x, end.y].join(','));
-
           curpos = end;
           prevCtlPt = ct2;
-        }
-        // handle remaining line segments
+        } // handle remaining line segments
+
+
         d.push('L');
+
         while (i < N) {
           var pt = points.getItem(i);
           d.push([pt.x, pt.y].join(','));
           i++;
         }
-        d = d.join(' ');
 
-        // create new path element
+        d = d.join(' '); // create new path element
+
         element = editorContext_.addSVGElementFromJson({
           element: 'path',
           curStyles: true,
@@ -6177,13 +6831,15 @@
             d: d,
             fill: 'none'
           }
-        });
-        // No need to call "changed", as this is already done under mouseUp
+        }); // No need to call "changed", as this is already done under mouseUp
       }
+
       return element;
     };
 
-    return (/** @lends module:path.pathActions */{
+    return (
+      /** @lends module:path.pathActions */
+      {
         /**
         * @param {MouseEvent} evt
         * @param {Element} mouseTarget
@@ -6192,9 +6848,11 @@
         * @returns {undefined}
         */
         mouseDown: function mouseDown(evt, mouseTarget, startX, startY) {
-          var id = void 0;
+          var id;
+
           if (editorContext_.getCurrentMode() === 'path') {
             var mouseX = startX; // Was this meant to work with the other `mouseX`? (was defined globally so adding `let` to at least avoid a global)
+
             var mouseY = startY; // Was this meant to work with the other `mouseY`? (was defined globally so adding `let` to at least avoid a global)
 
             var currentZoom = editorContext_.getCurrentZoom();
@@ -6220,15 +6878,19 @@
               });
               stretchy = getElem('selectorParentGroup').appendChild(stretchy);
             }
-            stretchy.setAttribute('display', 'inline');
 
+            stretchy.setAttribute('display', 'inline');
             var keep = null;
-            var index = void 0;
-            // if pts array is empty, create path element with M at current point
+            var index; // if pts array is empty, create path element with M at current point
+
             var drawnPath = editorContext_.getDrawnPath();
+
             if (!drawnPath) {
               var dAttr = 'M' + x + ',' + y + ' '; // Was this meant to work with the other `dAttr`? (was defined globally so adding `var` to at least avoid a global)
-              /* drawnPath = */editorContext_.setDrawnPath(editorContext_.addSVGElementFromJson({
+
+              /* drawnPath = */
+
+              editorContext_.setDrawnPath(editorContext_.addSVGElementFromJson({
                 element: 'path',
                 curStyles: true,
                 attr: {
@@ -6236,8 +6898,8 @@
                   id: editorContext_.getNextId(),
                   opacity: editorContext_.getOpacity() / 2
                 }
-              }));
-              // set stretchy line to first point
+              })); // set stretchy line to first point
+
               stretchy.setAttribute('d', ['M', mouseX, mouseY, mouseX, mouseY].join(' '));
               index = subpath ? path.segs.length : 0;
               addPointGrip(index, mouseX, mouseY);
@@ -6247,30 +6909,29 @@
               var i = seglist.numberOfItems;
               var FUZZ = 6 / currentZoom;
               var clickOnPoint = false;
+
               while (i) {
                 i--;
                 var item = seglist.getItem(i);
                 var px = item.x,
-                    py = item.y;
-                // found a matching point
+                    py = item.y; // found a matching point
+
                 if (x >= px - FUZZ && x <= px + FUZZ && y >= py - FUZZ && y <= py + FUZZ) {
                   clickOnPoint = true;
                   break;
                 }
-              }
+              } // get path element that we are in the process of creating
 
-              // get path element that we are in the process of creating
-              id = editorContext_.getId();
 
-              // Remove previous path object if previously created
+              id = editorContext_.getId(); // Remove previous path object if previously created
+
               removePath_(id);
-
               var newpath = getElem(id);
-              var newseg = void 0;
-              var sSeg = void 0;
-              var len = seglist.numberOfItems;
-              // if we clicked on an existing point, then we are done this path, commit it
+              var newseg;
+              var sSeg;
+              var len = seglist.numberOfItems; // if we clicked on an existing point, then we are done this path, commit it
               // (i, i+1) are the x,y that were clicked on
+
               if (clickOnPoint) {
                 // if clicked on any other point but the first OR
                 // the first point was clicked on and there are less than 3 points
@@ -6280,8 +6941,8 @@
                   // Create end segment
                   var absX = seglist.getItem(0).x;
                   var absY = seglist.getItem(0).y;
-
                   sSeg = stretchy.pathSegList.getItem(1);
+
                   if (sSeg.pathSegType === 4) {
                     newseg = drawnPath.createSVGPathSegLinetoAbs(absX, absY);
                   } else {
@@ -6295,11 +6956,13 @@
                   keep = false;
                   return keep;
                 }
-                $$1(stretchy).remove();
 
-                // This will signal to commit the path
+                $$1(stretchy).remove(); // This will signal to commit the path
                 // const element = newpath; // Other event handlers define own `element`, so this was probably not meant to interact with them or one which shares state (as there were none); I therefore adding a missing `var` to avoid a global
-                /* drawnPath = */editorContext_.setDrawnPath(null);
+
+                /* drawnPath = */
+
+                editorContext_.setDrawnPath(null);
                 editorContext_.setStarted(false);
 
                 if (subpath) {
@@ -6311,15 +6974,17 @@
                   var origD = $$1(path.elem).attr('d');
                   $$1(path.elem).attr('d', origD + newD);
                   $$1(newpath).remove();
+
                   if (path.matrix) {
                     recalcRotatedPath();
                   }
+
                   init$1();
                   pathActions.toEditMode(path.elem);
                   path.selectPt();
                   return false;
-                }
-                // else, create a new point, update path element
+                } // else, create a new point, update path element
+
               } else {
                 // Checks if current target or parents are #svgcontent
                 if (!$$1.contains(editorContext_.getContainer(), editorContext_.getMouseTarget(evt))) {
@@ -6337,10 +7002,11 @@
                   var xya = snapToAngle(lastx, lasty, x, y);
                   x = xya.x;
                   y = xya.y;
-                }
+                } // Use the segment defined by stretchy
+
 
-                // Use the segment defined by stretchy
                 sSeg = stretchy.pathSegList.getItem(1);
+
                 if (sSeg.pathSegType === 4) {
                   newseg = drawnPath.createSVGPathSegLinetoAbs(editorContext_.round(x), editorContext_.round(y));
                 } else {
@@ -6348,46 +7014,45 @@
                 }
 
                 drawnPath.pathSegList.appendItem(newseg);
-
                 x *= currentZoom;
-                y *= currentZoom;
+                y *= currentZoom; // set stretchy line to latest point
 
-                // set stretchy line to latest point
                 stretchy.setAttribute('d', ['M', x, y, x, y].join(' '));
                 index = num;
+
                 if (subpath) {
                   index += path.segs.length;
                 }
+
                 addPointGrip(index, x, y);
-              }
-              // keep = true;
+              } // keep = true;
+
             }
 
             return;
-          }
+          } // TODO: Make sure currentPath isn't null at this point
+
 
-          // TODO: Make sure currentPath isn't null at this point
           if (!path) {
             return;
           }
 
           path.storeD();
-
           id = evt.target.id;
+          var curPt;
 
-          var curPt = void 0;
           if (id.substr(0, 14) === 'pathpointgrip_') {
             // Select this point
             curPt = path.cur_pt = parseInt(id.substr(14), 10);
             path.dragging = [startX, startY];
-            var seg = path.segs[curPt];
-
-            // only clear selection if shift is not pressed (otherwise, add
+            var seg = path.segs[curPt]; // only clear selection if shift is not pressed (otherwise, add
             // node to selection)
+
             if (!evt.shiftKey) {
               if (path.selected_pts.length <= 1 || !seg.selected) {
                 path.clearSelection();
               }
+
               path.addPtsToSelection(curPt);
             } else if (seg.selected) {
               path.removePtFromSelection(curPt);
@@ -6396,20 +7061,22 @@
             }
           } else if (id.startsWith('ctrlpointgrip_')) {
             path.dragging = [startX, startY];
-
             var parts = id.split('_')[1].split('c');
             curPt = Number(parts[0]);
             var ctrlNum = Number(parts[1]);
             path.selectPt(curPt, ctrlNum);
-          }
+          } // Start selection box
+
 
-          // Start selection box
           if (!path.dragging) {
             var rubberBox = editorContext_.getRubberBox();
+
             if (rubberBox == null) {
               rubberBox = editorContext_.setRubberBox(editorContext_.selectorManager.getRubberBandBox());
             }
+
             var _currentZoom = editorContext_.getCurrentZoom();
+
             assignAttributes(rubberBox, {
               x: startX * _currentZoom,
               y: startY * _currentZoom,
@@ -6429,40 +7096,36 @@
           var currentZoom = editorContext_.getCurrentZoom();
           hasMoved = true;
           var drawnPath = editorContext_.getDrawnPath();
+
           if (editorContext_.getCurrentMode() === 'path') {
             if (!drawnPath) {
               return;
             }
+
             var seglist = drawnPath.pathSegList;
             var index = seglist.numberOfItems - 1;
 
             if (newPoint) {
               // First point
               // if (!index) { return; }
-
               // Set control points
               var pointGrip1 = addCtrlGrip('1c1');
-              var pointGrip2 = addCtrlGrip('0c2');
+              var pointGrip2 = addCtrlGrip('0c2'); // dragging pointGrip1
 
-              // dragging pointGrip1
               pointGrip1.setAttribute('cx', mouseX);
               pointGrip1.setAttribute('cy', mouseY);
               pointGrip1.setAttribute('display', 'inline');
-
               var ptX = newPoint[0];
-              var ptY = newPoint[1];
-
-              // set curve
+              var ptY = newPoint[1]; // set curve
               // const seg = seglist.getItem(index);
+
               var curX = mouseX / currentZoom;
               var curY = mouseY / currentZoom;
               var altX = ptX + (ptX - curX);
               var altY = ptY + (ptY - curY);
-
               pointGrip2.setAttribute('cx', altX * currentZoom);
               pointGrip2.setAttribute('cy', altY * currentZoom);
               pointGrip2.setAttribute('display', 'inline');
-
               var ctrlLine = getCtrlLine(1);
               assignAttributes(ctrlLine, {
                 x1: mouseX,
@@ -6486,12 +7149,15 @@
                   lastX = firstCtrl[0] / currentZoom;
                   lastY = firstCtrl[1] / currentZoom;
                 }
+
                 replacePathSeg(6, index, [ptX, ptY, lastX, lastY, altX, altY], drawnPath);
               }
             } else {
               var stretchy = getElem('path_stretch_line');
+
               if (stretchy) {
                 var prev = seglist.getItem(index);
+
                 if (prev.pathSegType === 6) {
                   var prevX = prev.x + (prev.x - prev.x2);
                   var prevY = prev.y + (prev.y - prev.y2);
@@ -6503,9 +7169,11 @@
                 }
               }
             }
+
             return;
-          }
-          // if we are dragging a point, let's move it
+          } // if we are dragging a point, let's move it
+
+
           if (path.dragging) {
             var pt = getPointFromGrip({
               x: path.dragging[0],
@@ -6528,14 +7196,14 @@
             path.selected_pts = [];
             path.eachSeg(function (i) {
               var seg = this;
+
               if (!seg.next && !seg.prev) {
                 return;
-              }
+              } // const {item} = seg;
+
 
-              // const {item} = seg;
               var rubberBox = editorContext_.getRubberBox();
               var rbb = rubberBox.getBBox();
-
               var pt = getGripPt(seg);
               var ptBb = {
                 x: pt.x,
@@ -6543,11 +7211,9 @@
                 width: 0,
                 height: 0
               };
-
               var sel = rectsIntersect(rbb, ptBb);
+              this.select(sel); // Note that addPtsToSelection is not being run
 
-              this.select(sel);
-              // Note that addPtsToSelection is not being run
               if (sel) {
                 path.selected_pts.push(seg.index);
               }
@@ -6563,10 +7229,11 @@
         * @returns {undefined}
         */
         mouseUp: function mouseUp(evt, element, mouseX, mouseY) {
-          var drawnPath = editorContext_.getDrawnPath();
-          // Create mode
+          var drawnPath = editorContext_.getDrawnPath(); // Create mode
+
           if (editorContext_.getCurrentMode() === 'path') {
             newPoint = null;
+
             if (!drawnPath) {
               element = getElem(editorContext_.getId());
               editorContext_.setStarted(false);
@@ -6577,13 +7244,13 @@
               keep: true,
               element: element
             };
-          }
+          } // Edit mode
+
 
-          // Edit mode
           var rubberBox = editorContext_.getRubberBox();
+
           if (path.dragging) {
             var lastPt = path.cur_pt;
-
             path.dragging = false;
             path.dragctrl = false;
             path.update();
@@ -6601,12 +7268,12 @@
 
             if (rubberBox.getAttribute('width') <= 2 && rubberBox.getAttribute('height') <= 2) {
               pathActions.toSelectMode(evt.target);
-            }
+            } // else, move back to select mode
 
-            // else, move back to select mode
           } else {
             pathActions.toSelectMode(evt.target);
           }
+
           hasMoved = false;
         },
 
@@ -6669,8 +7336,7 @@
         select: function select(target) {
           if (currentPath === target) {
             pathActions.toEditMode(target);
-            editorContext_.setCurrentMode('pathedit');
-            // going into pathedit mode
+            editorContext_.setCurrentMode('pathedit'); // going into pathedit mode
           } else {
             currentPath = target;
           }
@@ -6682,10 +7348,13 @@
         */
         reorient: function reorient() {
           var elem = editorContext_.getSelectedElements()[0];
+
           if (!elem) {
             return;
           }
+
           var angle = getRotationAngle(elem);
+
           if (angle === 0) {
             return;
           }
@@ -6698,19 +7367,14 @@
           batchCmd.addSubCommand(new ChangeElementCommand(elem, changes));
           editorContext_.clearSelection();
           this.resetOrientation(elem);
+          editorContext_.addCommandToHistory(batchCmd); // Set matrix to null
 
-          editorContext_.addCommandToHistory(batchCmd);
-
-          // Set matrix to null
           getPath_(elem).show(false).matrix = null;
-
           this.clear();
-
           editorContext_.addToSelection([elem], true);
           editorContext_.call('changed', editorContext_.getSelectedElements());
         },
 
-
         /**
         * @param {boolean} remove Not in use
         * @returns {undefined}
@@ -6718,6 +7382,7 @@
         clear: function clear(remove) {
           var drawnPath = editorContext_.getDrawnPath();
           currentPath = null;
+
           if (drawnPath) {
             var elem = getElem(editorContext_.getId());
             $$1(getElem('path_stretch_line')).remove();
@@ -6729,6 +7394,7 @@
           } else if (editorContext_.getCurrentMode() === 'pathedit') {
             this.toSelectMode();
           }
+
           if (path) {
             path.init().show(false);
           }
@@ -6742,19 +7408,17 @@
           if (pth == null || pth.nodeName !== 'path') {
             return false;
           }
+
           var tlist = getTransformList(pth);
           var m = transformListToTransform(tlist).matrix;
           tlist.clear();
           pth.removeAttribute('transform');
-          var segList = pth.pathSegList;
-
-          // Opera/win/non-EN throws an error here.
+          var segList = pth.pathSegList; // Opera/win/non-EN throws an error here.
           // TODO: Find out why!
           // Presumed fixed in Opera 10.5, so commented out for now
-
           // try {
-          var len = segList.numberOfItems;
-          // } catch(err) {
+
+          var len = segList.numberOfItems; // } catch(err) {
           //   const fixed_d = pathActions.convertPath(pth);
           //   pth.setAttribute('d', fixed_d);
           //   segList = pth.pathSegList;
@@ -6765,13 +7429,16 @@
           var _loop = function _loop(i) {
             var seg = segList.getItem(i);
             var type = seg.pathSegType;
+
             if (type === 1) {
-              return 'continue';
+              return "continue";
             }
+
             var pts = [];
             $$1.each(['', 1, 2], function (j, n) {
               var x = seg['x' + n],
                   y = seg['y' + n];
+
               if (x !== undefined && y !== undefined) {
                 var pt = transformPoint(x, y, m);
                 pts.splice(pts.length, 0, pt.x, pt.y);
@@ -6783,7 +7450,7 @@
           for (var i = 0; i < len; ++i) {
             var _ret = _loop(i);
 
-            if (_ret === 'continue') continue;
+            if (_ret === "continue") continue;
           }
 
           reorientGrads(pth, m);
@@ -6804,12 +7471,12 @@
         * @property {Float} y
         * @property {Integer} type
         */
+
         /**
         * @returns {module:path.NodePoint}
         */
         getNodePoint: function getNodePoint() {
           var selPt = path.selected_pts.length ? path.selected_pts[0] : 1;
-
           var seg = path.segs[selPt];
           return {
             x: seg.item.x,
@@ -6831,9 +7498,7 @@
         */
         clonePathNode: function clonePathNode() {
           path.storeD();
-
-          var selPts = path.selected_pts;
-          // const {segs} = path;
+          var selPts = path.selected_pts; // const {segs} = path;
 
           var i = selPts.length;
           var nums = [];
@@ -6841,12 +7506,11 @@
           while (i--) {
             var pt = selPts[i];
             path.addSeg(pt);
-
             nums.push(pt + i);
             nums.push(pt + i + 1);
           }
-          path.init().addPtsToSelection(nums);
 
+          path.init().addPtsToSelection(nums);
           path.endChanges('Clone path node(s)');
         },
 
@@ -6854,37 +7518,35 @@
         * @returns {undefined}
         */
         opencloseSubPath: function opencloseSubPath() {
-          var selPts = path.selected_pts;
-          // Only allow one selected node for now
+          var selPts = path.selected_pts; // Only allow one selected node for now
+
           if (selPts.length !== 1) {
             return;
           }
 
           var _path = path,
               elem = _path.elem;
-
-          var list = elem.pathSegList;
-
-          // const len = list.numberOfItems;
+          var list = elem.pathSegList; // const len = list.numberOfItems;
 
           var index = selPts[0];
-
           var openPt = null;
-          var startItem = null;
+          var startItem = null; // Check if subpath is already open
 
-          // Check if subpath is already open
           path.eachSeg(function (i) {
             if (this.type === 2 && i <= index) {
               startItem = this.item;
             }
+
             if (i <= index) {
               return true;
             }
+
             if (this.type === 2) {
               // Found M first, so open
               openPt = i;
               return false;
             }
+
             if (this.type === 1) {
               // Found Z first, so closed
               openPt = false;
@@ -6899,11 +7561,10 @@
 
           if (openPt !== false) {
             // Close this path
-
             // Create a line going to the previous "M"
             var newseg = elem.createSVGPathSegLinetoAbs(startItem.x, startItem.y);
-
             var closer = elem.createSVGPathSegClosePath();
+
             if (openPt === path.segs.length - 1) {
               list.appendItem(newseg);
               list.appendItem(closer);
@@ -6914,27 +7575,25 @@
 
             path.init().selectPt(openPt + 1);
             return;
-          }
-
-          // M 1,1 L 2,2 L 3,3 L 1,1 z // open at 2,2
+          } // M 1,1 L 2,2 L 3,3 L 1,1 z // open at 2,2
           // M 2,2 L 3,3 L 1,1
-
           // M 1,1 L 2,2 L 1,1 z M 4,4 L 5,5 L6,6 L 5,5 z
           // M 1,1 L 2,2 L 1,1 z [M 4,4] L 5,5 L(M)6,6 L 5,5 z
 
+
           var seg = path.segs[index];
 
           if (seg.mate) {
             list.removeItem(index); // Removes last "L"
+
             list.removeItem(index); // Removes the "Z"
+
             path.init().selectPt(index - 1);
             return;
           }
 
-          var lastM = void 0,
-              zSeg = void 0;
+          var lastM, zSeg; // Find this sub-path's closing point and remove
 
-          // Find this sub-path's closing point and remove
           for (var i = 0; i < list.numberOfItems; i++) {
             var item = list.getItem(i);
 
@@ -6943,8 +7602,7 @@
               lastM = i;
             } else if (i === index) {
               // Remove it
-              list.removeItem(lastM);
-              // index--;
+              list.removeItem(lastM); // index--;
             } else if (item.pathSegType === 1 && index < i) {
               // Remove the closing seg of this subpath
               zSeg = i - 1;
@@ -6959,12 +7617,9 @@
             insertItemBefore(elem, list.getItem(lastM), zSeg);
           }
 
-          var pt = list.getItem(lastM);
+          var pt = list.getItem(lastM); // Make this point the new "M"
 
-          // Make this point the new "M"
-          replacePathSeg(2, lastM, [pt.x, pt.y]);
-
-          // i = index; // i is local here, so has no effect; what was the intent for this?
+          replacePathSeg(2, lastM, [pt.x, pt.y]); // i = index; // i is local here, so has no effect; what was the intent for this?
 
           path.init().selectPt(0);
         },
@@ -6976,17 +7631,17 @@
           if (!pathActions.canDeleteNodes) {
             return;
           }
+
           path.storeD();
-
           var selPts = path.selected_pts;
-
           var i = selPts.length;
+
           while (i--) {
             var pt = selPts[i];
             path.deleteSeg(pt);
-          }
+          } // Cleanup
+
 
-          // Cleanup
           var cleanup = function cleanup() {
             var segList = path.elem.pathSegList;
             var len = segList.numberOfItems;
@@ -7003,9 +7658,11 @@
 
             while (len--) {
               var item = segList.getItem(len);
+
               if (item.pathSegType === 1) {
                 var prev = segList.getItem(len - 1);
                 var nprev = segList.getItem(len - 2);
+
                 if (prev.pathSegType === 2) {
                   remItems(len - 1, 2);
                   cleanup();
@@ -7017,13 +7674,12 @@
                 }
               } else if (item.pathSegType === 2) {
                 if (len > 0) {
-                  var prevType = segList.getItem(len - 1).pathSegType;
-                  // Path has M M
+                  var prevType = segList.getItem(len - 1).pathSegType; // Path has M M
+
                   if (prevType === 2) {
                     remItems(len - 1, 1);
                     cleanup();
-                    break;
-                    // Entire path ends with Z M
+                    break; // Entire path ends with Z M
                   } else if (prevType === 1 && segList.numberOfItems - 1 === len) {
                     remItems(len, 1);
                     cleanup();
@@ -7032,12 +7688,12 @@
                 }
               }
             }
+
             return false;
           };
 
-          cleanup();
+          cleanup(); // Completely delete a path with 1 or 0 segments
 
-          // Completely delete a path with 1 or 0 segments
           if (path.elem.pathSegList.numberOfItems <= 1) {
             pathActions.toSelectMode(path.elem);
             editorContext_.canvas.deleteSelectedElements();
@@ -7045,25 +7701,26 @@
           }
 
           path.init();
-          path.clearSelection();
-
-          // TODO: Find right way to select point now
+          path.clearSelection(); // TODO: Find right way to select point now
           // path.selectPt(selPt);
+
           if (window.opera) {
             // Opera repaints incorrectly
             var cp = $$1(path.elem);
             cp.attr('d', cp.attr('d'));
           }
+
           path.endChanges('Delete path node(s)');
         },
-
         // Can't seem to use `@borrows` here, so using `@see`
+
         /**
         * Smooth polyline into path
         * @function module:path.pathActions.smoothPolylineIntoPath
         * @see module:path~smoothPolylineIntoPath
         */
         smoothPolylineIntoPath: smoothPolylineIntoPath,
+
         /**
         * @returns {undefined}
         */
@@ -7078,17 +7735,19 @@
         */
         moveNode: function moveNode(attr, newValue) {
           var selPts = path.selected_pts;
+
           if (!selPts.length) {
             return;
           }
 
-          path.storeD();
+          path.storeD(); // Get first selected point
 
-          // Get first selected point
           var seg = path.segs[selPts[0]];
-          var diff = { x: 0, y: 0 };
+          var diff = {
+            x: 0,
+            y: 0
+          };
           diff[attr] = newValue - seg.item[attr];
-
           seg.move(diff.x, diff.y);
           path.endChanges('Move path point');
         },
@@ -7103,31 +7762,35 @@
           // M0,0 L0,100 L100,100 z
           var segList = elem.pathSegList;
           var len = segList.numberOfItems;
-          var lastM = void 0;
+          var lastM;
+
           for (var i = 0; i < len; ++i) {
             var item = segList.getItem(i);
+
             if (item.pathSegType === 2) {
               lastM = item;
             }
 
             if (item.pathSegType === 1) {
               var prev = segList.getItem(i - 1);
+
               if (prev.x !== lastM.x || prev.y !== lastM.y) {
                 // Add an L segment here
                 var newseg = elem.createSVGPathSegLinetoAbs(lastM.x, lastM.y);
-                insertItemBefore(elem, newseg, i);
-                // Can this be done better?
+                insertItemBefore(elem, newseg, i); // Can this be done better?
+
                 pathActions.fixEnd(elem);
                 break;
               }
             }
           }
+
           if (isWebkit()) {
             editorContext_.resetD(elem);
           }
         },
-
         // Can't seem to use `@borrows` here, so using `@see`
+
         /**
         * Convert a path to one with only absolute or relative values
         * @function module:path.pathActions.convertPath
@@ -7136,26 +7799,19 @@
         convertPath: convertPath
       }
     );
-  }();
+  }(); // end pathActions
 
-  /* globals jQuery */
+  var $$2 = jqPluginSVG(jQuery); // String used to encode base64.
 
-  // Constants
-  var $$2 = jqPluginSVG(jQuery);
+  var KEYSTR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; // Much faster than running getBBox() every time
 
-  // String used to encode base64.
-  var KEYSTR = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
-
-  // Much faster than running getBBox() every time
   var visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use';
-  var visElemsArr = visElems.split(',');
-  // const hidElems = 'clipPath,defs,desc,feGaussianBlur,filter,linearGradient,marker,mask,metadata,pattern,radialGradient,stop,switch,symbol,title,textPath';
+  var visElemsArr = visElems.split(','); // const hidElems = 'clipPath,defs,desc,feGaussianBlur,filter,linearGradient,marker,mask,metadata,pattern,radialGradient,stop,switch,symbol,title,textPath';
 
   var editorContext_$1 = null;
   var domdoc_ = null;
   var domcontainer_ = null;
   var svgroot_ = null;
-
   /**
   * Object with the following keys/values
   * @typedef {PlainObject} module:utilities.SVGElementJSON
@@ -7172,10 +7828,12 @@
    * @interface module:utilities.EditorContext
    * @property {module:path.pathActions} pathActions
    */
+
   /**
    * @function module:utilities.EditorContext#getSVGContent
    * @returns {SVGSVGElement}
    */
+
   /**
    * Create a new SVG element based on the given object keys/values and add it
    * to the current layer.
@@ -7184,26 +7842,32 @@
    * @param {module:utilities.SVGElementJSON} data
    * @returns {Element} The new element
   */
+
   /**
    * @function module:utilities.EditorContext#getSelectedElements
    * @returns {Element[]} the array with selected DOM elements
   */
+
   /**
    * @function module:utilities.EditorContext#getDOMDocument
    * @returns {HTMLDocument}
   */
+
   /**
    * @function module:utilities.EditorContext#getDOMContainer
    * @returns {HTMLElement}
   */
+
   /**
    * @function module:utilities.EditorContext#getSVGRoot
    * @returns {SVGSVGElement}
   */
+
   /**
    * @function module:utilities.EditorContext#getBaseUnit
    * @returns {string}
   */
+
   /**
    * @function module:utilities.EditorContext#getSnappingStep
    * @returns {Float|string}
@@ -7214,13 +7878,13 @@
   * @param {module:utilities.EditorContext} editorContext
   * @returns {undefined}
   */
+
   var init$2 = function init$$1(editorContext) {
     editorContext_$1 = editorContext;
     domdoc_ = editorContext.getDOMDocument();
     domcontainer_ = editorContext.getDOMContainer();
     svgroot_ = editorContext.getSVGRoot();
   };
-
   /**
    * Used to prevent the [Billion laughs attack]{@link https://en.wikipedia.org/wiki/Billion_laughs_attack}
    * @function module:utilities.dropXMLInteralSubset
@@ -7228,10 +7892,10 @@
    * @returns {string} The string with entity declarations in the internal subset removed
    * @todo This might be needed in other places `parseFromString` is used even without LGTM flagging
    */
+
   var dropXMLInteralSubset = function dropXMLInteralSubset(str) {
     return str.replace(/(<!DOCTYPE\s+\w*\s*\[).*(\?\]>)/, '$1$2');
   };
-
   /**
   * Converts characters in a string to XML-friendly entities.
   * @function module:utilities.toXml
@@ -7239,16 +7903,14 @@
   * @param {string} str - The string to be converted
   * @returns {string} The converted string
   */
+
   var toXml = function toXml(str) {
     // &apos; is ok in XML, but not HTML
     // &gt; does not normally need escaping, though it can if within a CDATA expression (and preceded by "]]")
     return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(/'/g, '&#x27;'); // Note: `&apos;` is XML only
   };
-
-  // This code was written by Tyler Akins and has been placed in the
   // public domain.  It would be nice if you left this header intact.
   // Base64 code from Tyler Akins -- http://rumkin.com
-
   // schiller: Removed string concatenation in favour of Array.join() optimization,
   //        also precalculate the size of the array needed.
 
@@ -7258,26 +7920,27 @@
   * @param {string} input
   * @returns {string} Base64 output
   */
+
   var encode64 = function encode64(input) {
     // base64 strings are 4/3 larger than the original string
     input = encodeUTF8(input); // convert non-ASCII characters
     // input = convertToXMLReferences(input);
+
     if (window.btoa) {
       return window.btoa(input); // Use native if available
     }
+
     var output = [];
     output.length = Math.floor((input.length + 2) / 3) * 4;
-
     var i = 0,
         p = 0;
+
     do {
       var chr1 = input.charCodeAt(i++);
       var chr2 = input.charCodeAt(i++);
       var chr3 = input.charCodeAt(i++);
-
       var enc1 = chr1 >> 2;
       var enc2 = (chr1 & 3) << 4 | chr2 >> 4;
-
       var enc3 = (chr2 & 15) << 2 | chr3 >> 6;
       var enc4 = chr3 & 63;
 
@@ -7295,21 +7958,20 @@
 
     return output.join('');
   };
-
   /**
   * Converts a string from base64
   * @function module:utilities.decode64
   * @param {string} input Base64-encoded input
   * @returns {string} Decoded output
   */
+
   var decode64 = function decode64(input) {
     if (window.atob) {
       return decodeUTF8(window.atob(input));
-    }
+    } // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
+
 
-    // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
     input = input.replace(/[^A-Za-z0-9+/=]/g, '');
-
     var output = '';
     var i = 0;
 
@@ -7318,88 +7980,96 @@
       var enc2 = KEYSTR.indexOf(input.charAt(i++));
       var enc3 = KEYSTR.indexOf(input.charAt(i++));
       var enc4 = KEYSTR.indexOf(input.charAt(i++));
-
       var chr1 = enc1 << 2 | enc2 >> 4;
       var chr2 = (enc2 & 15) << 4 | enc3 >> 2;
       var chr3 = (enc3 & 3) << 6 | enc4;
-
       output += String.fromCharCode(chr1);
 
       if (enc3 !== 64) {
         output = output + String.fromCharCode(chr2);
       }
+
       if (enc4 !== 64) {
         output = output + String.fromCharCode(chr3);
       }
     } while (i < input.length);
+
     return decodeUTF8(output);
   };
-
   /**
   * @function module:utilities.decodeUTF8
   * @param {string} argString
   * @returns {string}
   */
+
   var decodeUTF8 = function decodeUTF8(argString) {
     return decodeURIComponent(escape(argString));
-  };
+  }; // codedread:does not seem to work with webkit-based browsers on OSX // Brettz9: please test again as function upgraded
 
-  // codedread:does not seem to work with webkit-based browsers on OSX // Brettz9: please test again as function upgraded
   /**
   * @function module:utilities.encodeUTF8
   * @param {string} argString
   * @returns {string}
   */
+
   var encodeUTF8 = function encodeUTF8(argString) {
     return unescape(encodeURIComponent(argString));
   };
-
   /**
    * convert dataURL to object URL
    * @function module:utilities.dataURLToObjectURL
    * @param {string} dataurl
    * @returns {string} object URL or empty string
    */
+
   var dataURLToObjectURL = function dataURLToObjectURL(dataurl) {
     if (typeof Uint8Array === 'undefined' || typeof Blob === 'undefined' || typeof URL === 'undefined' || !URL.createObjectURL) {
       return '';
     }
+
     var arr = dataurl.split(','),
         mime = arr[0].match(/:(.*?);/)[1],
         bstr = atob(arr[1]);
     var n = bstr.length;
     var u8arr = new Uint8Array(n);
+
     while (n--) {
       u8arr[n] = bstr.charCodeAt(n);
     }
-    var blob = new Blob([u8arr], { type: mime });
+
+    var blob = new Blob([u8arr], {
+      type: mime
+    });
     return URL.createObjectURL(blob);
   };
-
   /**
    * get object URL for a blob object
    * @function module:utilities.createObjectURL
    * @param {Blob} blob A Blob object or File object
    * @returns {string} object URL or empty string
    */
+
   var createObjectURL = function createObjectURL(blob) {
     if (!blob || typeof URL === 'undefined' || !URL.createObjectURL) {
       return '';
     }
+
     return URL.createObjectURL(blob);
   };
-
   /**
    * @property {string} blankPageObjectURL
    */
+
   var blankPageObjectURL = function () {
     if (typeof Blob === 'undefined') {
       return '';
     }
-    var blob = new Blob(['<html><head><title>SVG-edit</title></head><body>&nbsp;</body></html>'], { type: 'text/html' });
+
+    var blob = new Blob(['<html><head><title>SVG-edit</title></head><body>&nbsp;</body></html>'], {
+      type: 'text/html'
+    });
     return createObjectURL(blob);
   }();
-
   /**
   * Cross-browser compatible method of converting a string to an XML tree
   * found this function [here]{@link http://groups.google.com/group/jquery-dev/browse_thread/thread/c6d11387c580a77f}
@@ -7408,19 +8078,21 @@
   * @throws {Error}
   * @returns {XMLDocument}
   */
+
   var text2xml = function text2xml(sXML) {
     if (sXML.includes('<svg:svg')) {
       sXML = sXML.replace(/<(\/?)svg:/g, '<$1').replace('xmlns:svg', 'xmlns');
     }
 
-    var out = void 0,
-        dXML = void 0;
+    var out, dXML;
+
     try {
       dXML = window.DOMParser ? new DOMParser() : new window.ActiveXObject('Microsoft.XMLDOM');
       dXML.async = false;
     } catch (e) {
       throw new Error('XML Parser could not be instantiated');
     }
+
     try {
       if (dXML.loadXML) {
         out = dXML.loadXML(sXML) ? dXML : false;
@@ -7430,9 +8102,9 @@
     } catch (e2) {
       throw new Error('Error parsing XML string');
     }
+
     return out;
   };
-
   /**
   * @typedef {PlainObject} module:utilities.BBoxObject (like `DOMRect`)
   * @property {Float} x
@@ -7447,15 +8119,19 @@
   * @param {SVGRect} bbox - a SVGRect
   * @returns {module:utilities.BBoxObject} An object with properties names x, y, width, height.
   */
+
   var bboxToObj = function bboxToObj(_ref) {
     var x = _ref.x,
         y = _ref.y,
         width = _ref.width,
         height = _ref.height;
-
-    return { x: x, y: y, width: width, height: height };
+    return {
+      x: x,
+      y: y,
+      width: width,
+      height: height
+    };
   };
-
   /**
   * @callback module:utilities.TreeWalker
   * @param {Element} elem - DOM element being traversed
@@ -7469,16 +8145,17 @@
   * @param {module:utilities.TreeWalker} cbFn - Callback function to run on each element
   * @returns {undefined}
   */
+
   var walkTree = function walkTree(elem, cbFn) {
     if (elem && elem.nodeType === 1) {
       cbFn(elem);
       var i = elem.childNodes.length;
+
       while (i--) {
         walkTree(elem.childNodes.item(i), cbFn);
       }
     }
   };
-
   /**
   * Walks the tree and executes the callback on each element in a depth-first fashion
   * @function module:utilities.walkTreePost
@@ -7487,16 +8164,18 @@
   * @param {module:utilities.TreeWalker} cbFn - Callback function to run on each element
   * @returns {undefined}
   */
+
   var walkTreePost = function walkTreePost(elem, cbFn) {
     if (elem && elem.nodeType === 1) {
       var i = elem.childNodes.length;
+
       while (i--) {
         walkTree(elem.childNodes.item(i), cbFn);
       }
+
       cbFn(elem);
     }
   };
-
   /**
   * Extracts the URL from the `url(...)` syntax of some attributes.
   * Three variants:
@@ -7507,32 +8186,35 @@
   * @param {string} attrVal The attribute value as a string
   * @returns {string} String with just the URL, like "someFile.svg#foo"
   */
+
   var getUrlFromAttr = function getUrlFromAttr(attrVal) {
     if (attrVal) {
       // url('#somegrad')
       if (attrVal.startsWith('url("')) {
         return attrVal.substring(5, attrVal.indexOf('"', 6));
-      }
-      // url('#somegrad')
+      } // url('#somegrad')
+
+
       if (attrVal.startsWith("url('")) {
         return attrVal.substring(5, attrVal.indexOf("'", 6));
       }
+
       if (attrVal.startsWith('url(')) {
         return attrVal.substring(4, attrVal.indexOf(')'));
       }
     }
+
     return null;
   };
-
   /**
   * @function module:utilities.getHref
   * @param {Element} elem
   * @returns {string} The given element's `xlink:href` value
   */
+
   var getHref = function getHref(elem) {
     return elem.getAttributeNS(NS.XLINK, 'href');
   };
-
   /**
   * Sets the given element's `xlink:href` value
   * @function module:utilities.setHref
@@ -7540,33 +8222,34 @@
   * @param {string} val
   * @returns {undefined}
   */
+
   var setHref = function setHref(elem, val) {
     elem.setAttributeNS(NS.XLINK, 'xlink:href', val);
   };
-
   /**
   * @function module:utilities.findDefs
   * @returns {SVGDefsElement} The document's `<defs>` element, creating it first if necessary
   */
+
   var findDefs = function findDefs() {
     var svgElement = editorContext_$1.getSVGContent();
     var defs = svgElement.getElementsByTagNameNS(NS.SVG, 'defs');
+
     if (defs.length > 0) {
       defs = defs[0];
     } else {
       defs = svgElement.ownerDocument.createElementNS(NS.SVG, 'defs');
+
       if (svgElement.firstChild) {
         // first child is a comment, so call nextSibling
-        svgElement.insertBefore(defs, svgElement.firstChild.nextSibling);
-        // svgElement.firstChild.nextSibling.before(defs); // Not safe
+        svgElement.insertBefore(defs, svgElement.firstChild.nextSibling); // svgElement.firstChild.nextSibling.before(defs); // Not safe
       } else {
         svgElement.append(defs);
       }
     }
-    return defs;
-  };
 
-  // TODO(codedread): Consider moving the next to functions to bbox.js
+    return defs;
+  }; // TODO(codedread): Consider moving the next to functions to bbox.js
 
   /**
   * Get correct BBox for a path in Webkit.
@@ -7575,10 +8258,10 @@
   * @param {SVGPathElement} path - The path DOM element to get the BBox for
   * @returns {module:utilities.BBoxObject} A BBox-like object
   */
+
   var getPathBBox = function getPathBBox(path$$1) {
     var seglist = path$$1.pathSegList;
     var tot = seglist.numberOfItems;
-
     var bounds = [[], []];
     var start = seglist.getItem(0);
     var P0 = [start.x, start.y];
@@ -7588,9 +8271,9 @@
 
       if (seg.x === undefined) {
         continue;
-      }
+      } // Add actual points to limits
+
 
-      // Add actual points to limits
       bounds[0].push(P0[0]);
       bounds[1].push(P0[1]);
 
@@ -7611,33 +8294,43 @@
 
             if (a === 0) {
               if (b === 0) {
-                return 'continue';
+                return "continue";
               }
+
               var t = -c / b;
+
               if (t > 0 && t < 1) {
                 bounds[j].push(calc(t));
               }
-              return 'continue';
+
+              return "continue";
             }
+
             var b2ac = Math.pow(b, 2) - 4 * c * a;
+
             if (b2ac < 0) {
-              return 'continue';
+              return "continue";
             }
+
             var t1 = (-b + Math.sqrt(b2ac)) / (2 * a);
+
             if (t1 > 0 && t1 < 1) {
               bounds[j].push(calc(t1));
             }
+
             var t2 = (-b - Math.sqrt(b2ac)) / (2 * a);
+
             if (t2 > 0 && t2 < 1) {
               bounds[j].push(calc(t2));
             }
           };
 
           for (var j = 0; j < 2; j++) {
-            var _ret2 = _loop(j);
+            var _ret = _loop(j);
 
-            if (_ret2 === 'continue') continue;
+            if (_ret === "continue") continue;
           }
+
           P0 = P3;
         })();
       } else {
@@ -7657,7 +8350,6 @@
       height: h
     };
   };
-
   /**
   * Get the given/selected element's bounding box object, checking for
   * horizontal/vertical lines (see issue 717)
@@ -7666,16 +8358,17 @@
   * @param {Element} selected - Container or `<use>` DOM element
   * @returns {DOMRect} Bounding box object
   */
+
   function groupBBFix(selected) {
     if (supportsHVLineContainerBBox()) {
       try {
         return selected.getBBox();
       } catch (e) {}
     }
+
     var ref = $$2.data(selected, 'ref');
     var matched = null;
-    var ret = void 0,
-        copy = void 0;
+    var ret, copy;
 
     if (ref) {
       copy = $$2(ref).children().clone().attr('visibility', 'hidden');
@@ -7686,13 +8379,16 @@
     }
 
     var issue = false;
+
     if (matched.length) {
       matched.each(function () {
         var bb = this.getBBox();
+
         if (!bb.width || !bb.height) {
           issue = true;
         }
       });
+
       if (issue) {
         var elems = ref ? copy : $$2(selected).children();
         ret = getStrokedBBox(elems);
@@ -7702,12 +8398,13 @@
     } else {
       ret = selected.getBBox();
     }
+
     if (ref) {
       copy.remove();
     }
+
     return ret;
   }
-
   /**
   * Get the given/selected element's bounding box object, convert it to be more
   * usable when necessary
@@ -7715,18 +8412,23 @@
   * @param {Element} elem - Optional DOM element to get the BBox for
   * @returns {module:utilities.BBoxObject} Bounding box object
   */
+
+
   var getBBox = function getBBox(elem) {
     var selected = elem || editorContext_$1.geSelectedElements()[0];
+
     if (elem.nodeType !== 1) {
       return null;
     }
-    var elname = selected.nodeName;
 
+    var elname = selected.nodeName;
     var ret = null;
+
     switch (elname) {
       case 'text':
         if (selected.textContent === '') {
           selected.textContent = 'a'; // Some character needed for the selector to use.
+
           ret = selected.getBBox();
           selected.textContent = '';
         } else {
@@ -7734,7 +8436,9 @@
             ret = selected.getBBox();
           }
         }
+
         break;
+
       case 'path':
         if (!supportsPathBBox()) {
           ret = getPathBBox(selected);
@@ -7743,23 +8447,27 @@
             ret = selected.getBBox();
           }
         }
+
         break;
+
       case 'g':
       case 'a':
         ret = groupBBFix(selected);
         break;
-      default:
 
+      default:
         if (elname === 'use') {
           ret = groupBBFix(selected); // , true);
         }
+
         if (elname === 'use' || elname === 'foreignObject' && isWebkit()) {
           if (!ret) {
             ret = selected.getBBox();
-          }
-          // This is resolved in later versions of webkit, perhaps we should
+          } // This is resolved in later versions of webkit, perhaps we should
           // have a featured detection for correct 'use' behavior?
           // ——————————
+
+
           if (!isWebkit()) {
             var bb = {};
             bb.width = ret.width;
@@ -7776,7 +8484,9 @@
               // tspan (and textPath apparently) have no `getBBox` in Firefox: https://bugzilla.mozilla.org/show_bug.cgi?id=937268
               // Re: Chrome returning bbox for containing text element, see: https://bugs.chromium.org/p/chromium/issues/detail?id=349835
               var extent = selected.getExtentOfChar(0); // pos+dimensions of the first glyph
+
               var width = selected.getComputedTextLength(); // width of the tspan
+
               ret = {
                 x: extent.x,
                 y: extent.y,
@@ -7787,6 +8497,7 @@
           } else {
             // Check if element is child of a foreignObject
             var fo = $$2(selected).closest('foreignObject');
+
             if (fo.length) {
               if (fo[0].getBBox) {
                 ret = fo[0].getBBox();
@@ -7794,15 +8505,16 @@
             }
           }
         }
+
     }
+
     if (ret) {
       ret = bboxToObj(ret);
-    }
+    } // get the bounding box from the DOM (which is in that element's coordinate system)
+
 
-    // get the bounding box from the DOM (which is in that element's coordinate system)
     return ret;
   };
-
   /**
   * @typedef {GenericArray} module:utilities.PathSegmentArray
   * @property {Integer} length 2
@@ -7817,36 +8529,34 @@
   * @param {module:utilities.PathSegmentArray[]} pathSegments - An array of path segments to be converted
   * @returns {string} The converted path d attribute.
   */
+
   var getPathDFromSegments = function getPathDFromSegments(pathSegments) {
     var d = '';
-
     $$2.each(pathSegments, function (j, _ref2) {
-      var _ref3 = slicedToArray(_ref2, 2),
+      var _ref3 = _slicedToArray(_ref2, 2),
           singleChar = _ref3[0],
           pts = _ref3[1];
 
       d += singleChar;
+
       for (var i = 0; i < pts.length; i += 2) {
         d += pts[i] + ',' + pts[i + 1] + ' ';
       }
     });
-
     return d;
   };
-
   /**
   * Make a path 'd' attribute from a simple SVG element shape.
   * @function module:utilities.getPathDFromElement
   * @param {Element} elem - The element to be converted
   * @returns {string} The path d attribute or `undefined` if the element type is unknown.
   */
+
   var getPathDFromElement = function getPathDFromElement(elem) {
     // Possibly the cubed root of 6, but 1.81 works best
     var num = 1.81;
-    var d = void 0,
-        a = void 0,
-        rx = void 0,
-        ry = void 0;
+    var d, a, rx, ry;
+
     switch (elem.tagName) {
       case 'ellipse':
       case 'circle':
@@ -7864,30 +8574,33 @@
 
         d = getPathDFromSegments([['M', [cx - rx, cy]], ['C', [cx - rx, cy - ry / num, cx - rx / num, cy - ry, cx, cy - ry]], ['C', [cx + rx / num, cy - ry, cx + rx, cy - ry / num, cx + rx, cy]], ['C', [cx + rx, cy + ry / num, cx + rx / num, cy + ry, cx, cy + ry]], ['C', [cx - rx / num, cy + ry, cx - rx, cy + ry / num, cx - rx, cy]], ['Z', []]]);
         break;
+
       case 'path':
         d = elem.getAttribute('d');
         break;
+
       case 'line':
         a = $$2(elem).attr(['x1', 'y1', 'x2', 'y2']);
         d = 'M' + a.x1 + ',' + a.y1 + 'L' + a.x2 + ',' + a.y2;
         break;
+
       case 'polyline':
         d = 'M' + elem.getAttribute('points');
         break;
+
       case 'polygon':
         d = 'M' + elem.getAttribute('points') + ' Z';
         break;
+
       case 'rect':
         var r = $$2(elem).attr(['rx', 'ry']);
         rx = r.rx;
         ry = r.ry;
-
-        var _b = elem.getBBox();
-        var x = _b.x,
-            y = _b.y,
-            w = _b.width,
-            h = _b.height;
-
+        var b = elem.getBBox();
+        var x = b.x,
+            y = b.y,
+            w = b.width,
+            h = b.height;
         num = 4 - num; // Why? Because!
 
         if (!rx && !ry) {
@@ -7896,33 +8609,35 @@
         } else {
           d = getPathDFromSegments([['M', [x, y + ry]], ['C', [x, y + ry / num, x + rx / num, y, x + rx, y]], ['L', [x + w - rx, y]], ['C', [x + w - rx / num, y, x + w, y + ry / num, x + w, y + ry]], ['L', [x + w, y + h - ry]], ['C', [x + w, y + h - ry / num, x + w - rx / num, y + h, x + w - rx, y + h]], ['L', [x + rx, y + h]], ['C', [x + rx / num, y + h, x, y + h - ry / num, x, y + h - ry]], ['L', [x, y + ry]], ['Z', []]]);
         }
+
         break;
+
       default:
         break;
     }
 
     return d;
   };
-
   /**
   * Get a set of attributes from an element that is useful for convertToPath.
   * @function module:utilities.getExtraAttributesForConvertToPath
   * @param {Element} elem - The element to be probed
   * @returns {PlainObject.<"marker-start"|"marker-end"|"marker-mid"|"filter"|"clip-path", string>} An object with attributes.
   */
+
   var getExtraAttributesForConvertToPath = function getExtraAttributesForConvertToPath(elem) {
-    var attrs = {};
-    // TODO: make this list global so that we can properly maintain it
+    var attrs = {}; // TODO: make this list global so that we can properly maintain it
     // TODO: what about @transform, @clip-rule, @fill-rule, etc?
+
     $$2.each(['marker-start', 'marker-end', 'marker-mid', 'filter', 'clip-path'], function () {
       var a = elem.getAttribute(this);
+
       if (a) {
         attrs[this] = a;
       }
     });
     return attrs;
   };
-
   /**
   * Get the BBox of an element-as-path
   * @function module:utilities.getBBoxOfElementAsPath
@@ -7931,18 +8646,20 @@
   * @param {module:path.pathActions} pathActions - If a transform exists, `pathActions.resetOrientation()` is used. See: canvas.pathActions.
   * @returns {DOMRect|false} The resulting path's bounding box object.
   */
+
   var getBBoxOfElementAsPath = function getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions$$1) {
     var path$$1 = addSVGElementFromJson({
       element: 'path',
       attr: getExtraAttributesForConvertToPath(elem)
     });
-
     var eltrans = elem.getAttribute('transform');
+
     if (eltrans) {
       path$$1.setAttribute('transform', eltrans);
     }
 
     var parent = elem.parentNode;
+
     if (elem.nextSibling) {
       elem.before(path$$1);
     } else {
@@ -7950,24 +8667,25 @@
     }
 
     var d = getPathDFromElement(elem);
+
     if (d) {
       path$$1.setAttribute('d', d);
     } else {
       path$$1.remove();
-    }
+    } // Get the correct BBox of the new path, then discard it
+
 
-    // Get the correct BBox of the new path, then discard it
     pathActions$$1.resetOrientation(path$$1);
     var bb = false;
+
     try {
       bb = path$$1.getBBox();
-    } catch (e) {
-      // Firefox fails
+    } catch (e) {// Firefox fails
     }
+
     path$$1.remove();
     return bb;
   };
-
   /**
   * Convert selected element to a path.
   * @function module:utilities.convertToPath
@@ -7981,25 +8699,24 @@
   * @param {module:path.EditorContext#addCommandToHistory|module:draw.DrawCanvasInit#addCommandToHistory} addCommandToHistory - see [canvas.addCommandToHistory]{@link module:svgcanvas~addCommandToHistory}
   * @returns {SVGPathElement|null} The converted path element or null if the DOM element was not recognized.
   */
+
   var convertToPath = function convertToPath(elem, attrs, addSVGElementFromJson, pathActions$$1, clearSelection, addToSelection, history, addCommandToHistory) {
-    var batchCmd = new history.BatchCommand('Convert element to Path');
+    var batchCmd = new history.BatchCommand('Convert element to Path'); // Any attribute on the element not covered by the passed-in attributes
 
-    // Any attribute on the element not covered by the passed-in attributes
     attrs = $$2.extend({}, attrs, getExtraAttributesForConvertToPath(elem));
-
     var path$$1 = addSVGElementFromJson({
       element: 'path',
       attr: attrs
     });
-
     var eltrans = elem.getAttribute('transform');
+
     if (eltrans) {
       path$$1.setAttribute('transform', eltrans);
     }
 
     var id = elem.id;
-
     var parent = elem.parentNode;
+
     if (elem.nextSibling) {
       elem.before(path$$1);
     } else {
@@ -8007,39 +8724,35 @@
     }
 
     var d = getPathDFromElement(elem);
+
     if (d) {
-      path$$1.setAttribute('d', d);
-
-      // Replace the current element with the converted one
-
+      path$$1.setAttribute('d', d); // Replace the current element with the converted one
       // Reorient if it has a matrix
+
       if (eltrans) {
         var tlist = getTransformList(path$$1);
+
         if (hasMatrixTransform(tlist)) {
           pathActions$$1.resetOrientation(path$$1);
         }
       }
 
       var nextSibling = elem.nextSibling;
-
       batchCmd.addSubCommand(new history.RemoveElementCommand(elem, nextSibling, parent));
       batchCmd.addSubCommand(new history.InsertElementCommand(path$$1));
-
       clearSelection();
       elem.remove();
       path$$1.setAttribute('id', id);
       path$$1.removeAttribute('visibility');
       addToSelection([path$$1], true);
-
       addCommandToHistory(batchCmd);
-
       return path$$1;
-    }
-    // the elem.tagName was not recognized, so no "d" attribute. Remove it, so we've haven't changed anything.
+    } // the elem.tagName was not recognized, so no "d" attribute. Remove it, so we've haven't changed anything.
+
+
     path$$1.remove();
     return null;
   };
-
   /**
   * Can the bbox be optimized over the native getBBox? The optimized bbox is the same as the native getBBox when
   * the rotation angle is a multiple of 90 degrees and there are no complex transforms.
@@ -8060,13 +8773,13 @@
   * @param {boolean} hasMatrixTransform - True if there is a matrix transform
   * @returns {boolean} True if the bbox can be optimized.
   */
+
   function bBoxCanBeOptimizedOverNativeGetBBox(angle, hasMatrixTransform$$1) {
     var angleModulo90 = angle % 90;
     var closeTo90 = angleModulo90 < -89.99 || angleModulo90 > 89.99;
     var closeTo0 = angleModulo90 > -0.001 && angleModulo90 < 0.001;
     return hasMatrixTransform$$1 || !(closeTo0 || closeTo90);
   }
-
   /**
   * Get bounding box that includes any transforms.
   * @function module:utilities.getBBoxWithTransform
@@ -8075,11 +8788,12 @@
   * @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.
   * @returns {module:utilities.BBoxObject|module:math.TransformedBox|DOMRect} A single bounding box object
   */
+
+
   var getBBoxWithTransform = function getBBoxWithTransform(elem, addSVGElementFromJson, pathActions$$1) {
     // TODO: Fix issue with rotated groups. Currently they work
     // fine in FF, but not in other browsers (same problem mentioned
     // in Issue 339 comment #2).
-
     var bb = getBBox(elem);
 
     if (!bb) {
@@ -8092,16 +8806,19 @@
 
     if (angle || hasMatrixXForm) {
       var goodBb = false;
+
       if (bBoxCanBeOptimizedOverNativeGetBBox(angle, hasMatrixXForm)) {
         // Get the BBox from the raw path for these elements
         // TODO: why ellipse and not circle
         var elemNames = ['ellipse', 'path', 'line', 'polyline', 'polygon'];
+
         if (elemNames.includes(elem.tagName)) {
           bb = goodBb = getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions$$1);
         } else if (elem.tagName === 'rect') {
           // Look for radius
           var rx = elem.getAttribute('rx');
           var ry = elem.getAttribute('ry');
+
           if (rx || ry) {
             bb = goodBb = getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions$$1);
           }
@@ -8112,9 +8829,7 @@
         var _transformListToTrans = transformListToTransform(tlist),
             matrix = _transformListToTrans.matrix;
 
-        bb = transformBox(bb.x, bb.y, bb.width, bb.height, matrix).aabox;
-
-        // Old technique that was exceedingly slow with large documents.
+        bb = transformBox(bb.x, bb.y, bb.width, bb.height, matrix).aabox; // Old technique that was exceedingly slow with large documents.
         //
         // Accurate way to get BBox of rotated element in Firefox:
         // Put element in group and get its BBox
@@ -8129,15 +8844,14 @@
         // g.remove();
       }
     }
-    return bb;
-  };
 
-  // TODO: This is problematic with large stroke-width and, for example, a single horizontal line. The calculated BBox extends way beyond left and right sides.
+    return bb;
+  }; // TODO: This is problematic with large stroke-width and, for example, a single horizontal line. The calculated BBox extends way beyond left and right sides.
+
   function getStrokeOffsetForBBox(elem) {
     var sw = elem.getAttribute('stroke-width');
     return !isNaN(sw) && elem.getAttribute('stroke') !== 'none' ? sw / 2 : 0;
   }
-
   /**
    * @typedef {PlainObject} BBox
    * @property {Integer} x The x value
@@ -8154,36 +8868,37 @@
   * @param {module:path.pathActions} pathActions - If a transform exists, pathActions.resetOrientation() is used. See: canvas.pathActions.
   * @returns {module:utilities.BBoxObject|module:math.TransformedBox|DOMRect} A single bounding box object
   */
+
+
   var getStrokedBBox = function getStrokedBBox(elems, addSVGElementFromJson, pathActions$$1) {
     if (!elems || !elems.length) {
       return false;
     }
 
-    var fullBb = void 0;
+    var fullBb;
     $$2.each(elems, function () {
       if (fullBb) {
         return;
       }
+
       if (!this.parentNode) {
         return;
       }
-      fullBb = getBBoxWithTransform(this, addSVGElementFromJson, pathActions$$1);
-    });
 
-    // This shouldn't ever happen...
+      fullBb = getBBoxWithTransform(this, addSVGElementFromJson, pathActions$$1);
+    }); // This shouldn't ever happen...
+
     if (fullBb === undefined) {
       return null;
-    }
-
-    // fullBb doesn't include the stoke, so this does no good!
+    } // fullBb doesn't include the stoke, so this does no good!
     // if (elems.length == 1) return fullBb;
 
+
     var maxX = fullBb.x + fullBb.width;
     var maxY = fullBb.y + fullBb.height;
     var minX = fullBb.x;
-    var minY = fullBb.y;
+    var minY = fullBb.y; // If only one elem, don't call the potentially slow getBBoxWithTransform method again.
 
-    // If only one elem, don't call the potentially slow getBBoxWithTransform method again.
     if (elems.length === 1) {
       var offset = getStrokeOffsetForBBox(elems[0]);
       minX -= offset;
@@ -8193,11 +8908,13 @@
     } else {
       $$2.each(elems, function (i, elem) {
         var curBb = getBBoxWithTransform(elem, addSVGElementFromJson, pathActions$$1);
+
         if (curBb) {
           var _offset = getStrokeOffsetForBBox(elem);
+
           minX = Math.min(minX, curBb.x - _offset);
-          minY = Math.min(minY, curBb.y - _offset);
-          // TODO: The old code had this test for max, but not min. I suspect this test should be for both min and max
+          minY = Math.min(minY, curBb.y - _offset); // TODO: The old code had this test for max, but not min. I suspect this test should be for both min and max
+
           if (elem.nodeType === 1) {
             maxX = Math.max(maxX, curBb.x + curBb.width + _offset);
             maxY = Math.max(maxY, curBb.y + curBb.height + _offset);
@@ -8212,7 +8929,6 @@
     fullBb.height = maxY - minY;
     return fullBb;
   };
-
   /**
   * Get all elements that have a BBox (excludes `<defs>`, `<title>`, etc).
   * Note that 0-opacity, off-screen etc elements are still considered "visible"
@@ -8221,6 +8937,7 @@
   * @param {Element} parent - The parent DOM element to search within
   * @returns {Element[]} All "visible" elements.
   */
+
   var getVisibleElements = function getVisibleElements(parent) {
     if (!parent) {
       parent = $$2(editorContext_$1.getSVGContent()).children(); // Prevent layers from being included
@@ -8234,20 +8951,20 @@
     });
     return contentElems.reverse();
   };
-
   /**
   * Get the bounding box for one or more stroked and/or transformed elements
   * @function module:utilities.getStrokedBBoxDefaultVisible
   * @param {Element[]} elems - Array with DOM elements to check
   * @returns {module:utilities.BBoxObject} A single bounding box object
   */
+
   var getStrokedBBoxDefaultVisible = function getStrokedBBoxDefaultVisible(elems) {
     if (!elems) {
       elems = getVisibleElements();
     }
+
     return getStrokedBBox(elems, editorContext_$1.addSVGElementFromJson, editorContext_$1.pathActions);
   };
-
   /**
   * Get the rotation angle of the given transform list.
   * @function module:utilities.getRotationAngleFromTransformList
@@ -8255,20 +8972,25 @@
   * @param {boolean} toRad - When true returns the value in radians rather than degrees
   * @returns {Float} The angle in degrees or radians
   */
+
   var getRotationAngleFromTransformList = function getRotationAngleFromTransformList(tlist, toRad) {
     if (!tlist) {
       return 0;
     } // <svg> elements have no tlist
+
+
     var N = tlist.numberOfItems;
+
     for (var i = 0; i < N; ++i) {
       var xform = tlist.getItem(i);
+
       if (xform.type === 4) {
         return toRad ? xform.angle * Math.PI / 180.0 : xform.angle;
       }
     }
+
     return 0.0;
   };
-
   /**
   * Get the rotation angle of the given/selected DOM element
   * @function module:utilities.getRotationAngle
@@ -8276,29 +8998,30 @@
   * @param {boolean} [toRad=false] - When true returns the value in radians rather than degrees
   * @returns {Float} The angle in degrees or radians
   */
+
   var getRotationAngle = function getRotationAngle(elem, toRad) {
-    var selected = elem || editorContext_$1.getSelectedElements()[0];
-    // find the rotation transform (if any) and set it
+    var selected = elem || editorContext_$1.getSelectedElements()[0]; // find the rotation transform (if any) and set it
+
     var tlist = getTransformList(selected);
     return getRotationAngleFromTransformList(tlist, toRad);
   };
-
   /**
   * Get the reference element associated with the given attribute value
   * @function module:utilities.getRefElem
   * @param {string} attrVal - The attribute value as a string
   * @returns {Element} Reference element
   */
+
   var getRefElem = function getRefElem(attrVal) {
     return getElem(getUrlFromAttr(attrVal).substr(1));
   };
-
   /**
   * Get a DOM element by ID within the SVG root element.
   * @function module:utilities.getElem
   * @param {string} id - String with the element's new ID
   * @returns {Element}
   */
+
   var getElem = supportsSelectors() ? function (id) {
     // querySelector lookup
     return svgroot_.querySelector('#' + id);
@@ -8311,7 +9034,6 @@
     // jQuery lookup: twice as slow as xpath in FF
     return $$2(svgroot_).find('[id=' + id + ']')[0];
   };
-
   /**
   * Assigns multiple attributes to an element.
   * @function module:utilities.assignAttributes
@@ -8321,54 +9043,35 @@
   * @param {boolean} [unitCheck=false] - Boolean to indicate the need to use units.setUnitAttr
   * @returns {undefined}
   */
+
   var assignAttributes = function assignAttributes(elem, attrs, suspendLength, unitCheck) {
-    var _iteratorNormalCompletion = true;
-    var _didIteratorError = false;
-    var _iteratorError = undefined;
+    var _arr = Object.entries(attrs);
 
-    try {
-      for (var _iterator = Object.entries(attrs)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
-        var _ref4 = _step.value;
+    for (var _i = 0; _i < _arr.length; _i++) {
+      var _arr$_i = _slicedToArray(_arr[_i], 2),
+          key = _arr$_i[0],
+          value = _arr$_i[1];
 
-        var _ref5 = slicedToArray(_ref4, 2);
+      var ns = key.substr(0, 4) === 'xml:' ? NS.XML : key.substr(0, 6) === 'xlink:' ? NS.XLINK : null;
 
-        var key = _ref5[0];
-        var value = _ref5[1];
-
-        var ns = key.substr(0, 4) === 'xml:' ? NS.XML : key.substr(0, 6) === 'xlink:' ? NS.XLINK : null;
-
-        if (ns) {
-          elem.setAttributeNS(ns, key, value);
-        } else if (!unitCheck) {
-          elem.setAttribute(key, value);
-        } else {
-          setUnitAttr(elem, key, value);
-        }
-      }
-    } catch (err) {
-      _didIteratorError = true;
-      _iteratorError = err;
-    } finally {
-      try {
-        if (!_iteratorNormalCompletion && _iterator.return) {
-          _iterator.return();
-        }
-      } finally {
-        if (_didIteratorError) {
-          throw _iteratorError;
-        }
+      if (ns) {
+        elem.setAttributeNS(ns, key, value);
+      } else if (!unitCheck) {
+        elem.setAttribute(key, value);
+      } else {
+        setUnitAttr(elem, key, value);
       }
     }
   };
-
   /**
   * Remove unneeded (default) attributes, makes resulting SVG smaller
   * @function module:utilities.cleanupElement
   * @param {Element} element - DOM element to clean up
   * @returns {undefined}
   */
+
   var cleanupElement = function cleanupElement(element) {
-    var defaults$$1 = {
+    var defaults = {
       'fill-opacity': 1,
       'stop-opacity': 1,
       opacity: 1,
@@ -8384,61 +9087,64 @@
 
     if (element.nodeName === 'ellipse') {
       // Ellipse elements require rx and ry attributes
-      delete defaults$$1.rx;
-      delete defaults$$1.ry;
+      delete defaults.rx;
+      delete defaults.ry;
     }
 
-    for (var attr in defaults$$1) {
-      var val = defaults$$1[attr];
+    for (var attr in defaults) {
+      var val = defaults[attr];
+
       if (element.getAttribute(attr) === String(val)) {
         element.removeAttribute(attr);
       }
     }
   };
-
   /**
   * Round value to for snapping
   * @function module:utilities.snapToGrid
   * @param {Float} value
   * @returns {Integer}
   */
+
   var snapToGrid = function snapToGrid(value) {
     var unit = editorContext_$1.getBaseUnit();
     var stepSize = editorContext_$1.getSnappingStep();
+
     if (unit !== 'px') {
       stepSize *= getTypeMap()[unit];
     }
+
     value = Math.round(value / stepSize) * stepSize;
     return value;
   };
-
   /**
   * Escapes special characters in a regular expression
   * @function module:utilities.regexEscape
   * @param {string} str
   * @returns {string}
   */
+
   var regexEscape = function regexEscape(str) {
     // From: http://phpjs.org/functions
     return String(str).replace(new RegExp('[.\\\\+*?\\[\\^\\]$(){}=!<>|:\\-]', 'g'), '\\$&');
   };
-
   /**
    * Prevents default browser click behaviour on the given element
    * @function module:utilities.preventClickDefault
    * @param {Element} img - The DOM element to prevent the click on
    * @returns {undefined}
    */
+
   var preventClickDefault = function preventClickDefault(img) {
     $$2(img).click(function (e) {
       e.preventDefault();
     });
   };
-
   /**
    * @callback module:utilities.GetNextID
    * @returns {string} The ID
    */
+
   /**
    * Create a clone of an element, updating its ID and its children's IDs when needed
    * @function module:utilities.copyElem
@@ -8446,6 +9152,7 @@
    * @param {module:utilities.GetNextID} getNextId - The getter of the next unique ID.
    * @returns {Element} The cloned element
    */
+
   var copyElem = function copyElem(el, getNextId) {
     // manually create a copy of the element
     var newEl = document.createElementNS(el.namespaceURI, el.nodeName);
@@ -8453,29 +9160,30 @@
       if (attr.localName !== '-moz-math-font-style') {
         newEl.setAttributeNS(attr.namespaceURI, attr.nodeName, attr.value);
       }
-    });
-    // set the copied element's new id
-    newEl.removeAttribute('id');
-    newEl.id = getNextId();
+    }); // set the copied element's new id
 
-    // Opera's "d" value needs to be reset for Opera/Win/non-EN
+    newEl.removeAttribute('id');
+    newEl.id = getNextId(); // Opera's "d" value needs to be reset for Opera/Win/non-EN
     // Also needed for webkit (else does not keep curved segments on clone)
+
     if (isWebkit() && el.nodeName === 'path') {
       var fixedD = convertPath(el);
       newEl.setAttribute('d', fixedD);
-    }
+    } // now create copies of all children
+
 
-    // now create copies of all children
     $$2.each(el.childNodes, function (i, child) {
       switch (child.nodeType) {
         case 1:
           // element node
           newEl.append(copyElem(child, getNextId));
           break;
+
         case 3:
           // text node
           newEl.textContent = child.nodeValue;
           break;
+
         default:
           break;
       }
@@ -8494,6 +9202,7 @@
   };
 
   /* globals jQuery */
+
   /**
    * Adds context menu functionality
    * @module contextmenu
@@ -8502,47 +9211,47 @@
    */
   // Dependencies:
   // 1) jQuery (for dom injection of context menus)
-
   var $$3 = jQuery;
-
   var contextMenuExtensions = {};
-
   /**
   * @function module:contextmenu.hasCustomHandler
   * @param {string} handlerKey
   * @returns {boolean}
   */
+
   var hasCustomHandler = function hasCustomHandler(handlerKey) {
     return Boolean(contextMenuExtensions[handlerKey]);
   };
-
   /**
   * @function module:contextmenu.getCustomHandler
   * @param {string} handlerKey
   * @returns {module:contextmenu.MenuItemAction}
   */
+
   var getCustomHandler = function getCustomHandler(handlerKey) {
     return contextMenuExtensions[handlerKey].action;
   };
-
   /**
   * @param {module:contextmenu.MenuItem} menuItem
   * @returns {undefined}
   */
+
   var injectExtendedContextMenuItemIntoDom = function injectExtendedContextMenuItemIntoDom(menuItem) {
     if (!Object.keys(contextMenuExtensions).length) {
       // all menuItems appear at the bottom of the menu in their own container.
       // if this is the first extension menu we need to add the separator.
       $$3('#cmenu_canvas').append("<li class='separator'>");
     }
+
     var shortcut = menuItem.shortcut || '';
     $$3('#cmenu_canvas').append("<li class='disabled'><a href='#" + menuItem.id + "'>" + menuItem.label + "<span class='shortcut'>" + shortcut + '</span></a></li>');
   };
-
   /**
   * @function module:contextmenu.injectExtendedContextMenuItemsIntoDom
   * @returns {undefined}
   */
+
+
   var injectExtendedContextMenuItemsIntoDom = function injectExtendedContextMenuItemsIntoDom() {
     for (var menuItem in contextMenuExtensions) {
       injectExtendedContextMenuItemIntoDom(contextMenuExtensions[menuItem]);
@@ -8555,10 +9264,10 @@
   /**
    * @module importModule
    */
-
   function toAbsoluteURL(url) {
     var a = document.createElement('a');
     a.setAttribute('href', url); // <a href="hoge.html">
+
     return a.cloneNode(false).href; // -> "http://example.com/hoge.html"
   }
 
@@ -8568,85 +9277,97 @@
         script[prop] = atts[prop];
       }
     });
-  }
+  } // Additions by Brett
 
-  // Additions by Brett
   /**
   * @typedef {PlainObject} module:importModule.ImportConfig
   * @property {string} global The variable name to set on `window` (when not using the modular version)
   * @property {boolean} [returnDefault=false]
   */
+
   /**
   * @function module:importModule.importSetGlobalDefault
   * @param {string} url
   * @param {module:importModule.ImportConfig} config
   * @returns {*} The return depends on the export of the targeted module.
   */
-  var importSetGlobalDefault = function () {
-    var _ref = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(url, config) {
-      return regeneratorRuntime.wrap(function _callee$(_context) {
-        while (1) {
-          switch (_context.prev = _context.next) {
-            case 0:
-              return _context.abrupt('return', importSetGlobal(url, _extends({}, config, { returnDefault: true })));
 
-            case 1:
-            case 'end':
-              return _context.stop();
-          }
-        }
-      }, _callee, this);
-    }));
 
-    return function importSetGlobalDefault(_x, _x2) {
-      return _ref.apply(this, arguments);
-    };
-  }();
+  function importSetGlobalDefault(_x, _x2) {
+    return _importSetGlobalDefault.apply(this, arguments);
+  }
   /**
   * @function module:importModule.importSetGlobal
   * @param {string} url
   * @param {module:importModule.ImportConfig} config
   * @returns {ArbitraryModule|*} The return depends on the export of the targeted module.
   */
-  var importSetGlobal = function () {
-    var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(url, _ref2) {
-      var global = _ref2.global,
-          returnDefault = _ref2.returnDefault;
-      var modularVersion;
+
+  function _importSetGlobalDefault() {
+    _importSetGlobalDefault = _asyncToGenerator(
+    /*#__PURE__*/
+    regeneratorRuntime.mark(function _callee(url, config) {
+      return regeneratorRuntime.wrap(function _callee$(_context) {
+        while (1) {
+          switch (_context.prev = _context.next) {
+            case 0:
+              return _context.abrupt("return", importSetGlobal(url, _extends({}, config, {
+                returnDefault: true
+              })));
+
+            case 1:
+            case "end":
+              return _context.stop();
+          }
+        }
+      }, _callee, this);
+    }));
+    return _importSetGlobalDefault.apply(this, arguments);
+  }
+
+  function importSetGlobal(_x3, _x4) {
+    return _importSetGlobal.apply(this, arguments);
+  } // Addition by Brett
+
+  function _importSetGlobal() {
+    _importSetGlobal = _asyncToGenerator(
+    /*#__PURE__*/
+    regeneratorRuntime.mark(function _callee2(url, _ref) {
+      var global, returnDefault, modularVersion;
       return regeneratorRuntime.wrap(function _callee2$(_context2) {
         while (1) {
           switch (_context2.prev = _context2.next) {
             case 0:
+              global = _ref.global, returnDefault = _ref.returnDefault;
               // Todo: Replace calls to this function with `import()` when supported
               modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false;
 
               if (!modularVersion) {
-                _context2.next = 3;
+                _context2.next = 4;
                 break;
               }
 
-              return _context2.abrupt('return', importModule(url, undefined, { returnDefault: returnDefault }));
+              return _context2.abrupt("return", importModule(url, undefined, {
+                returnDefault: returnDefault
+              }));
 
-            case 3:
-              _context2.next = 5;
+            case 4:
+              _context2.next = 6;
               return importScript(url);
 
-            case 5:
-              return _context2.abrupt('return', window[global]);
-
             case 6:
-            case 'end':
+              return _context2.abrupt("return", window[global]);
+
+            case 7:
+            case "end":
               return _context2.stop();
           }
         }
       }, _callee2, this);
     }));
+    return _importSetGlobal.apply(this, arguments);
+  }
 
-    return function importSetGlobal(_x3, _x4) {
-      return _ref3.apply(this, arguments);
-    };
-  }();
-  // Addition by Brett
   function importScript(url) {
     var atts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
 
@@ -8655,45 +9376,51 @@
         return importScript(u, atts);
       }));
     }
+
     return new Promise(function (resolve, reject) {
       var script = document.createElement('script');
+
       var destructor = function destructor() {
         script.onerror = null;
         script.onload = null;
         script.remove();
         script.src = '';
       };
+
       script.defer = 'defer';
       addScriptAtts(script, atts);
+
       script.onerror = function () {
-        reject(new Error('Failed to import: ' + url));
+        reject(new Error("Failed to import: ".concat(url)));
         destructor();
       };
+
       script.onload = function () {
         resolve();
         destructor();
       };
-      script.src = url;
 
+      script.src = url;
       document.head.append(script);
     });
   }
-
   function importModule(url) {
     var atts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
 
-    var _ref4 = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
-        _ref4$returnDefault = _ref4.returnDefault,
-        returnDefault = _ref4$returnDefault === undefined ? false : _ref4$returnDefault;
+    var _ref2 = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
+        _ref2$returnDefault = _ref2.returnDefault,
+        returnDefault = _ref2$returnDefault === void 0 ? false : _ref2$returnDefault;
 
     if (Array.isArray(url)) {
       return Promise.all(url.map(function (u) {
         return importModule(u, atts);
       }));
     }
+
     return new Promise(function (resolve, reject) {
       var vector = '$importModule$' + Math.random().toString(32).slice(2);
       var script = document.createElement('script');
+
       var destructor = function destructor() {
         delete window[vector];
         script.onerror = null;
@@ -8702,30 +9429,33 @@
         URL.revokeObjectURL(script.src);
         script.src = '';
       };
+
       addScriptAtts(script, atts);
       script.defer = 'defer';
       script.type = 'module';
+
       script.onerror = function () {
-        reject(new Error('Failed to import: ' + url));
+        reject(new Error("Failed to import: ".concat(url)));
         destructor();
       };
+
       script.onload = function () {
         resolve(window[vector]);
         destructor();
       };
-      var absURL = toAbsoluteURL(url);
-      var loader = 'import * as m from \'' + absURL.replace(/'/g, "\\'") + '\'; window.' + vector + ' = ' + (returnDefault ? 'm.default || ' : '') + 'm;'; // export Module
-      var blob = new Blob([loader], { type: 'text/javascript' });
-      script.src = URL.createObjectURL(blob);
 
+      var absURL = toAbsoluteURL(url);
+      var loader = "import * as m from '".concat(absURL.replace(/'/g, "\\'"), "'; window.").concat(vector, " = ").concat(returnDefault ? 'm.default || ' : '', "m;"); // export Module
+
+      var blob = new Blob([loader], {
+        type: 'text/javascript'
+      });
+      script.src = URL.createObjectURL(blob);
       document.head.append(script);
     });
   }
 
-  /* globals jQuery */
-
   var $$4 = jQuery;
-
   /**
    * This class encapsulates the concept of a layer in the drawing. It can be constructed with
    * an existing group element or, with three parameters, will create a new layer group element.
@@ -8737,7 +9467,9 @@
    * @memberof module:layer
    */
 
-  var Layer = function () {
+  var Layer =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {string} name - Layer name
     * @param {SVGGElement|null} group - An existing SVG group element or null.
@@ -8748,7 +9480,7 @@
     *     a new layer to the document.
     */
     function Layer(name, group, svgElem) {
-      classCallCheck(this, Layer);
+      _classCallCheck(this, Layer);
 
       this.name_ = name;
       this.group_ = svgElem ? null : group;
@@ -8760,6 +9492,7 @@
         var layerTitle = svgdoc.createElementNS(NS.SVG, 'title');
         layerTitle.textContent = name;
         this.group_.append(layerTitle);
+
         if (group) {
           $$4(group).after(this.group_);
         } else {
@@ -8771,55 +9504,49 @@
       walkTree(this.group_, function (e) {
         e.setAttribute('style', 'pointer-events:inherit');
       });
-
       this.group_.setAttribute('style', svgElem ? 'pointer-events:all' : 'pointer-events:none');
     }
-
     /**
      * Get the layer's name.
      * @returns {string} The layer name
      */
 
 
-    createClass(Layer, [{
-      key: 'getName',
+    _createClass(Layer, [{
+      key: "getName",
       value: function getName() {
         return this.name_;
       }
-
       /**
        * Get the group element for this layer.
        * @returns {SVGGElement} The layer SVG group
        */
 
     }, {
-      key: 'getGroup',
+      key: "getGroup",
       value: function getGroup() {
         return this.group_;
       }
-
       /**
        * Active this layer so it takes pointer events.
        * @returns {undefined}
        */
 
     }, {
-      key: 'activate',
+      key: "activate",
       value: function activate() {
         this.group_.setAttribute('style', 'pointer-events:all');
       }
-
       /**
        * Deactive this layer so it does NOT take pointer events.
        * @returns {undefined}
        */
 
     }, {
-      key: 'deactivate',
+      key: "deactivate",
       value: function deactivate() {
         this.group_.setAttribute('style', 'pointer-events:none');
       }
-
       /**
        * Set this layer visible or hidden based on 'visible' parameter.
        * @param {boolean} visible - If true, make visible; otherwise, hide it.
@@ -8827,41 +9554,41 @@
        */
 
     }, {
-      key: 'setVisible',
+      key: "setVisible",
       value: function setVisible(visible) {
         var expected = visible === undefined || visible ? 'inline' : 'none';
         var oldDisplay = this.group_.getAttribute('display');
+
         if (oldDisplay !== expected) {
           this.group_.setAttribute('display', expected);
         }
       }
-
       /**
        * Is this layer visible?
        * @returns {boolean} True if visible.
        */
 
     }, {
-      key: 'isVisible',
+      key: "isVisible",
       value: function isVisible() {
         return this.group_.getAttribute('display') !== 'none';
       }
-
       /**
        * Get layer opacity.
        * @returns {Float} Opacity value.
        */
 
     }, {
-      key: 'getOpacity',
+      key: "getOpacity",
       value: function getOpacity() {
         var opacity = this.group_.getAttribute('opacity');
+
         if (opacity === null || opacity === undefined) {
           return 1;
         }
+
         return parseFloat(opacity);
       }
-
       /**
        * Sets the opacity of this layer. If opacity is not a value between 0.0 and 1.0,
        * nothing happens.
@@ -8870,13 +9597,12 @@
        */
 
     }, {
-      key: 'setOpacity',
+      key: "setOpacity",
       value: function setOpacity(opacity) {
         if (typeof opacity === 'number' && opacity >= 0.0 && opacity <= 1.0) {
           this.group_.setAttribute('opacity', opacity);
         }
       }
-
       /**
        * Append children to this layer.
        * @param {SVGGElement} children - The children to append to this layer.
@@ -8884,30 +9610,31 @@
        */
 
     }, {
-      key: 'appendChildren',
+      key: "appendChildren",
       value: function appendChildren(children) {
         for (var i = 0; i < children.length; ++i) {
           this.group_.append(children[i]);
         }
       }
-
       /**
       * @returns {SVGTitleElement|null}
       */
 
     }, {
-      key: 'getTitleElement',
+      key: "getTitleElement",
       value: function getTitleElement() {
         var len = this.group_.childNodes.length;
+
         for (var i = 0; i < len; ++i) {
           var child = this.group_.childNodes.item(i);
+
           if (child && child.tagName === 'title') {
             return child;
           }
         }
+
         return null;
       }
-
       /**
        * Set the name of this layer.
        * @param {string} name - The new name.
@@ -8916,24 +9643,29 @@
        */
 
     }, {
-      key: 'setName',
+      key: "setName",
       value: function setName(name, hrService) {
         var previousName = this.name_;
-        name = toXml(name);
-        // now change the underlying title element contents
+        name = toXml(name); // now change the underlying title element contents
+
         var title = this.getTitleElement();
+
         if (title) {
           $$4(title).empty();
           title.textContent = name;
           this.name_ = name;
+
           if (hrService) {
-            hrService.changeElement(title, { '#text': previousName });
+            hrService.changeElement(title, {
+              '#text': previousName
+            });
           }
+
           return this.name_;
         }
+
         return null;
       }
-
       /**
        * Remove this layer's group from the DOM. No more functions on group can be called after this.
        * @param {SVGGElement} children - The children to append to this layer.
@@ -8941,7 +9673,7 @@
        */
 
     }, {
-      key: 'removeGroup',
+      key: "removeGroup",
       value: function removeGroup() {
         var parent = this.group_.parentNode;
         var group = parent.removeChild(this.group_);
@@ -8949,6 +9681,7 @@
         return group;
       }
     }]);
+
     return Layer;
   }();
   /**
@@ -8957,20 +9690,21 @@
 
 
   Layer.CLASS_NAME = 'layer';
-
   /**
    * @property {RegExp} CLASS_REGEX - Used to test presence of class Layer.CLASS_NAME
    */
-  Layer.CLASS_REGEX = new RegExp('(\\s|^)' + Layer.CLASS_NAME + '(\\s|$)');
 
+  Layer.CLASS_REGEX = new RegExp('(\\s|^)' + Layer.CLASS_NAME + '(\\s|$)');
   /**
    * Add class `Layer.CLASS_NAME` to the element (usually `class='layer'`).
    *
    * @param {SVGGElement} elem - The SVG element to update
    * @returns {undefined}
    */
+
   function addLayerClass(elem) {
     var classes = elem.getAttribute('class');
+
     if (classes === null || classes === undefined || !classes.length) {
       elem.setAttribute('class', Layer.CLASS_NAME);
     } else if (!Layer.CLASS_REGEX.test(classes)) {
@@ -8978,13 +9712,6 @@
     }
   }
 
-  /**
-   * HistoryRecordingService component of history
-   * @module history
-   * @license MIT
-   * @copyright 2016 Flint O'Brien
-   */
-
   /**
    * History recording service.
    *
@@ -9018,20 +9745,21 @@
    * @memberof module:history
    */
 
-  var HistoryRecordingService = function () {
+  var HistoryRecordingService =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {history.UndoManager|null} undoManager - The undo manager.
     *     A value of `null` is valid for cases where no history recording is required.
     *     See singleton: {@link module:history.HistoryRecordingService.HistoryRecordingService.NO_HISTORY}
     */
     function HistoryRecordingService(undoManager) {
-      classCallCheck(this, HistoryRecordingService);
+      _classCallCheck(this, HistoryRecordingService);
 
       this.undoManager_ = undoManager;
       this.currentBatchCommand_ = null;
       this.batchCommandStack_ = [];
     }
-
     /**
      * Start a batch command so multiple commands can recorded as a single history command.
      * Requires a corresponding call to endBatchCommand. Start and end commands can be nested.
@@ -9041,39 +9769,39 @@
      */
 
 
-    createClass(HistoryRecordingService, [{
-      key: 'startBatchCommand',
+    _createClass(HistoryRecordingService, [{
+      key: "startBatchCommand",
       value: function startBatchCommand(text) {
         if (!this.undoManager_) {
           return this;
         }
+
         this.currentBatchCommand_ = new BatchCommand(text);
         this.batchCommandStack_.push(this.currentBatchCommand_);
         return this;
       }
-
       /**
        * End a batch command and add it to the history or a parent batch command.
        * @returns {module:history.HistoryRecordingService}
        */
 
     }, {
-      key: 'endBatchCommand',
+      key: "endBatchCommand",
       value: function endBatchCommand() {
         if (!this.undoManager_) {
           return this;
         }
+
         if (this.currentBatchCommand_) {
           var batchCommand = this.currentBatchCommand_;
           this.batchCommandStack_.pop();
           var length = this.batchCommandStack_.length;
-
           this.currentBatchCommand_ = length ? this.batchCommandStack_[length - 1] : null;
           this.addCommand_(batchCommand);
         }
+
         return this;
       }
-
       /**
        * Add a MoveElementCommand to the history or current batch command
        * @param {Element} elem - The DOM element that was moved
@@ -9084,15 +9812,15 @@
        */
 
     }, {
-      key: 'moveElement',
+      key: "moveElement",
       value: function moveElement(elem, oldNextSibling, oldParent, text) {
         if (!this.undoManager_) {
           return this;
         }
+
         this.addCommand_(new MoveElementCommand(elem, oldNextSibling, oldParent, text));
         return this;
       }
-
       /**
        * Add an InsertElementCommand to the history or current batch command
        * @param {Element} elem - The DOM element that was added
@@ -9101,15 +9829,15 @@
        */
 
     }, {
-      key: 'insertElement',
+      key: "insertElement",
       value: function insertElement(elem, text) {
         if (!this.undoManager_) {
           return this;
         }
+
         this.addCommand_(new InsertElementCommand(elem, text));
         return this;
       }
-
       /**
        * Add a RemoveElementCommand to the history or current batch command
        * @param {Element} elem - The DOM element that was removed
@@ -9120,15 +9848,15 @@
        */
 
     }, {
-      key: 'removeElement',
+      key: "removeElement",
       value: function removeElement(elem, oldNextSibling, oldParent, text) {
         if (!this.undoManager_) {
           return this;
         }
+
         this.addCommand_(new RemoveElementCommand(elem, oldNextSibling, oldParent, text));
         return this;
       }
-
       /**
        * Add a ChangeElementCommand to the history or current batch command
        * @param {Element} elem - The DOM element that was changed
@@ -9138,15 +9866,15 @@
        */
 
     }, {
-      key: 'changeElement',
+      key: "changeElement",
       value: function changeElement(elem, attrs, text) {
         if (!this.undoManager_) {
           return this;
         }
+
         this.addCommand_(new ChangeElementCommand(elem, attrs, text));
         return this;
       }
-
       /**
        * Private function to add a command to the history or current batch command.
        * @private
@@ -9155,11 +9883,12 @@
        */
 
     }, {
-      key: 'addCommand_',
+      key: "addCommand_",
       value: function addCommand_(cmd) {
         if (!this.undoManager_) {
           return this;
         }
+
         if (this.currentBatchCommand_) {
           this.currentBatchCommand_.addSubCommand(cmd);
         } else {
@@ -9167,6 +9896,7 @@
         }
       }
     }]);
+
     return HistoryRecordingService;
   }();
   /**
@@ -9177,59 +9907,60 @@
 
   HistoryRecordingService.NO_HISTORY = new HistoryRecordingService();
 
-  /* globals jQuery */
-
   var $$5 = jQuery;
-
   var visElems$1 = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use'.split(',');
-
   var RandomizeModes = {
     LET_DOCUMENT_DECIDE: 0,
     ALWAYS_RANDOMIZE: 1,
     NEVER_RANDOMIZE: 2
   };
-  var randIds = RandomizeModes.LET_DOCUMENT_DECIDE;
-  // Array with current disabled elements (for in-group editing)
-  var disabledElems = [];
+  var randIds = RandomizeModes.LET_DOCUMENT_DECIDE; // Array with current disabled elements (for in-group editing)
 
+  var disabledElems = [];
   /**
    * Get a HistoryRecordingService.
    * @param {module:history.HistoryRecordingService} [hrService] - if exists, return it instead of creating a new service.
    * @returns {module:history.HistoryRecordingService}
    */
+
   function historyRecordingService(hrService) {
     return hrService || new HistoryRecordingService(canvas_.undoMgr);
   }
-
   /**
    * Find the layer name in a group element.
    * @param {Element} group The group element to search in.
    * @returns {string} The layer name or empty string.
    */
+
+
   function findLayerNameInGroup(group) {
-    return $$5('title', group).text() || (isOpera() && group.querySelectorAll
-    // Hack for Opera 10.60
+    return $$5('title', group).text() || (isOpera() && group.querySelectorAll // Hack for Opera 10.60
     ? $$5(group.querySelectorAll('title')).text() : '');
   }
-
   /**
    * Given a set of names, return a new unique name.
    * @param {string[]} existingLayerNames - Existing layer names.
    * @returns {string} - The new name.
    */
+
+
   function getNewLayerName(existingLayerNames) {
-    var i = 1;
-    // TODO(codedread): What about internationalization of "Layer"?
+    var i = 1; // TODO(codedread): What about internationalization of "Layer"?
+
     while (existingLayerNames.includes('Layer ' + i)) {
       i++;
     }
+
     return 'Layer ' + i;
   }
-
   /**
    * This class encapsulates the concept of a SVG-edit drawing
    */
-  var Drawing = function () {
+
+
+  var Drawing =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {SVGSVGElement} svgElem - The SVG DOM Element that this JS object
     *     encapsulates.  If the svgElem has a se:nonce attribute on it, then
@@ -9238,44 +9969,44 @@
     * @throws {Error} If not initialized with an SVG element
     */
     function Drawing(svgElem, optIdPrefix) {
-      classCallCheck(this, Drawing);
+      _classCallCheck(this, Drawing);
 
       if (!svgElem || !svgElem.tagName || !svgElem.namespaceURI || svgElem.tagName !== 'svg' || svgElem.namespaceURI !== NS.SVG) {
         throw new Error('Error: svgedit.draw.Drawing instance initialized without a <svg> element');
       }
-
       /**
       * The SVG DOM Element that represents this drawing.
       * @type {SVGSVGElement}
       */
-      this.svgElem_ = svgElem;
 
+
+      this.svgElem_ = svgElem;
       /**
       * The latest object number used in this drawing.
       * @type {Integer}
       */
-      this.obj_num = 0;
 
+      this.obj_num = 0;
       /**
       * The prefix to prepend to each element id in the drawing.
       * @type {string}
       */
-      this.idPrefix = optIdPrefix || 'svg_';
 
+      this.idPrefix = optIdPrefix || 'svg_';
       /**
       * An array of released element ids to immediately reuse.
       * @type {Integer[]}
       */
-      this.releasedNums = [];
 
+      this.releasedNums = [];
       /**
       * The z-ordered array of Layer objects. Each layer has a name
       * and group element.
       * The first layer is the one at the bottom of the rendering.
       * @type {Layer[]}
       */
-      this.all_layers = [];
 
+      this.all_layers = [];
       /**
       * Map of all_layers by name.
       *
@@ -9284,142 +10015,139 @@
       *
       * @type {PlainObject.<string, Layer>}
       */
-      this.layer_map = {};
 
+      this.layer_map = {};
       /**
       * The current layer being used.
       * @type {Layer}
       */
-      this.current_layer = null;
 
+      this.current_layer = null;
       /**
       * The nonce to use to uniquely identify elements across drawings.
       * @type {!String}
       */
+
       this.nonce_ = '';
-      var n = this.svgElem_.getAttributeNS(NS.SE, 'nonce');
-      // If already set in the DOM, use the nonce throughout the document
+      var n = this.svgElem_.getAttributeNS(NS.SE, 'nonce'); // If already set in the DOM, use the nonce throughout the document
       // else, if randomizeIds(true) has been called, create and set the nonce.
+
       if (!!n && randIds !== RandomizeModes.NEVER_RANDOMIZE) {
         this.nonce_ = n;
       } else if (randIds === RandomizeModes.ALWAYS_RANDOMIZE) {
         this.setNonce(Math.floor(Math.random() * 100001));
       }
     }
-
     /**
      * @param {string} id Element ID to retrieve
      * @returns {Element} SVG element within the root SVGSVGElement
     */
 
 
-    createClass(Drawing, [{
-      key: 'getElem_',
+    _createClass(Drawing, [{
+      key: "getElem_",
       value: function getElem_(id) {
         if (this.svgElem_.querySelector) {
           // querySelector lookup
           return this.svgElem_.querySelector('#' + id);
-        }
-        // jQuery lookup: twice as slow as xpath in FF
+        } // jQuery lookup: twice as slow as xpath in FF
+
+
         return $$5(this.svgElem_).find('[id=' + id + ']')[0];
       }
-
       /**
        * @returns {SVGSVGElement}
        */
 
     }, {
-      key: 'getSvgElem',
+      key: "getSvgElem",
       value: function getSvgElem() {
         return this.svgElem_;
       }
-
       /**
        * @returns {!(string|Integer)} The previously set nonce
        */
 
     }, {
-      key: 'getNonce',
+      key: "getNonce",
       value: function getNonce() {
         return this.nonce_;
       }
-
       /**
        * @param {!(string|Integer)} n The nonce to set
        * @returns {undefined}
        */
 
     }, {
-      key: 'setNonce',
+      key: "setNonce",
       value: function setNonce(n) {
         this.svgElem_.setAttributeNS(NS.XMLNS, 'xmlns:se', NS.SE);
         this.svgElem_.setAttributeNS(NS.SE, 'se:nonce', n);
         this.nonce_ = n;
       }
-
       /**
        * Clears any previously set nonce
        * @returns {undefined}
        */
 
     }, {
-      key: 'clearNonce',
+      key: "clearNonce",
       value: function clearNonce() {
         // We deliberately leave any se:nonce attributes alone,
         // we just don't use it to randomize ids.
         this.nonce_ = '';
       }
-
       /**
        * Returns the latest object id as a string.
        * @returns {string} The latest object Id.
        */
 
     }, {
-      key: 'getId',
+      key: "getId",
       value: function getId() {
         return this.nonce_ ? this.idPrefix + this.nonce_ + '_' + this.obj_num : this.idPrefix + this.obj_num;
       }
-
       /**
        * Returns the next object Id as a string.
        * @returns {string} The next object Id to use.
        */
 
     }, {
-      key: 'getNextId',
+      key: "getNextId",
       value: function getNextId() {
         var oldObjNum = this.obj_num;
-        var restoreOldObjNum = false;
-
-        // If there are any released numbers in the release stack,
+        var restoreOldObjNum = false; // If there are any released numbers in the release stack,
         // use the last one instead of the next obj_num.
         // We need to temporarily use obj_num as that is what getId() depends on.
+
         if (this.releasedNums.length > 0) {
           this.obj_num = this.releasedNums.pop();
           restoreOldObjNum = true;
         } else {
           // If we are not using a released id, then increment the obj_num.
           this.obj_num++;
-        }
+        } // Ensure the ID does not exist.
+
 
-        // Ensure the ID does not exist.
         var id = this.getId();
+
         while (this.getElem_(id)) {
           if (restoreOldObjNum) {
             this.obj_num = oldObjNum;
             restoreOldObjNum = false;
           }
+
           this.obj_num++;
           id = this.getId();
-        }
-        // Restore the old object number if required.
+        } // Restore the old object number if required.
+
+
         if (restoreOldObjNum) {
           this.obj_num = oldObjNum;
         }
+
         return id;
       }
-
       /**
        * Releases the object Id, letting it be used as the next id in getNextId().
        * This method DOES NOT remove any elements from the DOM, it is expected
@@ -9429,39 +10157,37 @@
       */
 
     }, {
-      key: 'releaseId',
+      key: "releaseId",
       value: function releaseId(id) {
         // confirm if this is a valid id for this Document, else return false
         var front = this.idPrefix + (this.nonce_ ? this.nonce_ + '_' : '');
+
         if (typeof id !== 'string' || !id.startsWith(front)) {
           return false;
-        }
-        // extract the obj_num of this id
-        var num = parseInt(id.substr(front.length), 10);
+        } // extract the obj_num of this id
 
-        // if we didn't get a positive number or we already released this number
+
+        var num = parseInt(id.substr(front.length), 10); // if we didn't get a positive number or we already released this number
         // then return false.
+
         if (typeof num !== 'number' || num <= 0 || this.releasedNums.includes(num)) {
           return false;
-        }
+        } // push the released number into the released queue
+
 
-        // push the released number into the released queue
         this.releasedNums.push(num);
-
         return true;
       }
-
       /**
        * Returns the number of layers in the current drawing.
        * @returns {Integer} The number of layers in the current drawing.
       */
 
     }, {
-      key: 'getNumLayers',
+      key: "getNumLayers",
       value: function getNumLayers() {
         return this.all_layers.length;
       }
-
       /**
        * Check if layer with given name already exists
        * @param {string} name - The layer name to check
@@ -9469,11 +10195,10 @@
       */
 
     }, {
-      key: 'hasLayer',
+      key: "hasLayer",
       value: function hasLayer(name) {
         return this.layer_map[name] !== undefined;
       }
-
       /**
        * Returns the name of the ith layer. If the index is out of range, an empty string is returned.
        * @param {Integer} i - The zero-based index of the layer you are querying.
@@ -9481,33 +10206,30 @@
       */
 
     }, {
-      key: 'getLayerName',
+      key: "getLayerName",
       value: function getLayerName(i) {
         return i >= 0 && i < this.getNumLayers() ? this.all_layers[i].getName() : '';
       }
-
       /**
        * @returns {SVGGElement|null} The SVGGElement representing the current layer.
        */
 
     }, {
-      key: 'getCurrentLayer',
+      key: "getCurrentLayer",
       value: function getCurrentLayer() {
         return this.current_layer ? this.current_layer.getGroup() : null;
       }
-
       /**
        * Get a layer by name.
        * @returns {SVGGElement} The SVGGElement representing the named layer or null.
        */
 
     }, {
-      key: 'getLayerByName',
+      key: "getLayerByName",
       value: function getLayerByName(name) {
         var layer = this.layer_map[name];
         return layer ? layer.getGroup() : null;
       }
-
       /**
        * Returns the name of the currently selected layer. If an error occurs, an empty string
        * is returned.
@@ -9515,11 +10237,10 @@
       */
 
     }, {
-      key: 'getCurrentLayerName',
+      key: "getCurrentLayerName",
       value: function getCurrentLayerName() {
         return this.current_layer ? this.current_layer.getName() : '';
       }
-
       /**
        * Set the current layer's name.
        * @param {string} name - The new name.
@@ -9528,20 +10249,22 @@
        */
 
     }, {
-      key: 'setCurrentLayerName',
+      key: "setCurrentLayerName",
       value: function setCurrentLayerName(name, hrService) {
         var finalName = null;
+
         if (this.current_layer) {
           var oldName = this.current_layer.getName();
           finalName = this.current_layer.setName(name, hrService);
+
           if (finalName) {
             delete this.layer_map[oldName];
             this.layer_map[finalName] = this.current_layer;
           }
         }
+
         return finalName;
       }
-
       /**
        * Set the current layer's position.
        * @param {Integer} newpos - The zero-based index of the new position of the layer. Range should be 0 to layers-1
@@ -9549,20 +10272,23 @@
        */
 
     }, {
-      key: 'setCurrentLayerPosition',
+      key: "setCurrentLayerPosition",
       value: function setCurrentLayerPosition(newpos) {
         var layerCount = this.getNumLayers();
+
         if (!this.current_layer || newpos < 0 || newpos >= layerCount) {
           return null;
         }
 
-        var oldpos = void 0;
+        var oldpos;
+
         for (oldpos = 0; oldpos < layerCount; ++oldpos) {
           if (this.all_layers[oldpos] === this.current_layer) {
             break;
           }
-        }
-        // some unknown error condition (current_layer not in all_layers)
+        } // some unknown error condition (current_layer not in all_layers)
+
+
         if (oldpos === layerCount) {
           return null;
         }
@@ -9571,66 +10297,70 @@
           // if our new position is below us, we need to insert before the node after newpos
           var currentGroup = this.current_layer.getGroup();
           var oldNextSibling = currentGroup.nextSibling;
-
           var refGroup = null;
+
           if (newpos > oldpos) {
             if (newpos < layerCount - 1) {
               refGroup = this.all_layers[newpos + 1].getGroup();
-            }
-            // if our new position is above us, we need to insert before the node at newpos
+            } // if our new position is above us, we need to insert before the node at newpos
+
           } else {
             refGroup = this.all_layers[newpos].getGroup();
           }
+
           this.svgElem_.insertBefore(currentGroup, refGroup); // Ok to replace with `refGroup.before(currentGroup);`?
 
           this.identifyLayers();
           this.setCurrentLayer(this.getLayerName(newpos));
-
           return {
             currentGroup: currentGroup,
             oldNextSibling: oldNextSibling
           };
         }
+
         return null;
       }
-
       /**
       * @param {module:history.HistoryRecordingService} hrService
       * @returns {undefined}
       */
 
     }, {
-      key: 'mergeLayer',
+      key: "mergeLayer",
       value: function mergeLayer(hrService) {
         var currentGroup = this.current_layer.getGroup();
         var prevGroup = $$5(currentGroup).prev()[0];
+
         if (!prevGroup) {
           return;
         }
 
         hrService.startBatchCommand('Merge Layer');
-
         var layerNextSibling = currentGroup.nextSibling;
         hrService.removeElement(currentGroup, layerNextSibling, this.svgElem_);
 
         while (currentGroup.firstChild) {
           var child = currentGroup.firstChild;
+
           if (child.localName === 'title') {
             hrService.removeElement(child, child.nextSibling, currentGroup);
             child.remove();
             continue;
           }
+
           var oldNextSibling = child.nextSibling;
           prevGroup.append(child);
           hrService.moveElement(child, oldNextSibling, currentGroup);
-        }
+        } // Remove current layer's group
+
+
+        this.current_layer.removeGroup(); // Remove the current layer and set the previous layer as the new current layer
 
-        // Remove current layer's group
-        this.current_layer.removeGroup();
-        // Remove the current layer and set the previous layer as the new current layer
         var index = this.all_layers.indexOf(this.current_layer);
+
         if (index > 0) {
           var _name = this.current_layer.getName();
+
           this.current_layer = this.all_layers[index - 1];
           this.all_layers.splice(index, 1);
           delete this.layer_map[_name];
@@ -9638,25 +10368,24 @@
 
         hrService.endBatchCommand();
       }
-
       /**
       * @param {module:history.HistoryRecordingService} hrService
       * @returns {undefined}
       */
 
     }, {
-      key: 'mergeAllLayers',
+      key: "mergeAllLayers",
       value: function mergeAllLayers(hrService) {
         // Set the current layer to the last layer.
         this.current_layer = this.all_layers[this.all_layers.length - 1];
-
         hrService.startBatchCommand('Merge all Layers');
+
         while (this.all_layers.length > 1) {
           this.mergeLayer(hrService);
         }
+
         hrService.endBatchCommand();
       }
-
       /**
        * Sets the current layer. If the name is not a valid layer name, then this
        * function returns `false`. Otherwise it returns `true`. This is not an
@@ -9666,20 +10395,22 @@
        */
 
     }, {
-      key: 'setCurrentLayer',
+      key: "setCurrentLayer",
       value: function setCurrentLayer(name) {
         var layer = this.layer_map[name];
+
         if (layer) {
           if (this.current_layer) {
             this.current_layer.deactivate();
           }
+
           this.current_layer = layer;
           this.current_layer.activate();
           return true;
         }
+
         return false;
       }
-
       /**
        * Deletes the current layer from the drawing and then clears the selection.
        * This function then calls the 'changed' handler.  This is an undoable action.
@@ -9688,16 +10419,16 @@
        */
 
     }, {
-      key: 'deleteCurrentLayer',
+      key: "deleteCurrentLayer",
       value: function deleteCurrentLayer() {
         if (this.current_layer && this.getNumLayers() > 1) {
           var oldLayerGroup = this.current_layer.removeGroup();
           this.identifyLayers();
           return oldLayerGroup;
         }
+
         return null;
       }
-
       /**
        * Updates layer system and sets the current layer to the
        * top-most layer (last `<g>` child of this drawing).
@@ -9705,23 +10436,26 @@
       */
 
     }, {
-      key: 'identifyLayers',
+      key: "identifyLayers",
       value: function identifyLayers() {
         this.all_layers = [];
         this.layer_map = {};
-        var numchildren = this.svgElem_.childNodes.length;
-        // loop through all children of SVG element
+        var numchildren = this.svgElem_.childNodes.length; // loop through all children of SVG element
+
         var orphans = [],
             layernames = [];
         var layer = null;
         var childgroups = false;
+
         for (var i = 0; i < numchildren; ++i) {
-          var child = this.svgElem_.childNodes.item(i);
-          // for each g, find its layer name
+          var child = this.svgElem_.childNodes.item(i); // for each g, find its layer name
+
           if (child && child.nodeType === 1) {
             if (child.tagName === 'g') {
               childgroups = true;
+
               var _name2 = findLayerNameInGroup(child);
+
               if (_name2) {
                 layernames.push(_name2);
                 layer = new Layer(_name2, child);
@@ -9736,9 +10470,9 @@
               orphans.push(child);
             }
           }
-        }
+        } // If orphans or no layers found, create a new layer and add all the orphans to it
+
 
-        // If orphans or no layers found, create a new layer and add all the orphans to it
         if (orphans.length > 0 || !childgroups) {
           layer = new Layer(getNewLayerName(layernames), null, this.svgElem_);
           layer.appendChildren(orphans);
@@ -9747,9 +10481,9 @@
         } else {
           layer.activate();
         }
+
         this.current_layer = layer;
       }
-
       /**
        * Creates a new top-level layer in the drawing with the given name and
        * makes it the current layer.
@@ -9760,19 +10494,20 @@
       */
 
     }, {
-      key: 'createLayer',
+      key: "createLayer",
       value: function createLayer(name, hrService) {
         if (this.current_layer) {
           this.current_layer.deactivate();
-        }
-        // Check for duplicate name.
+        } // Check for duplicate name.
+
+
         if (name === undefined || name === null || name === '' || this.layer_map[name]) {
           name = getNewLayerName(Object.keys(this.layer_map));
-        }
+        } // Crate new layer and add to DOM as last layer
+
+
+        var layer = new Layer(name, null, this.svgElem_); // Like to assume hrService exists, but this is backwards compatible with old version of createLayer.
 
-        // Crate new layer and add to DOM as last layer
-        var layer = new Layer(name, null, this.svgElem_);
-        // Like to assume hrService exists, but this is backwards compatible with old version of createLayer.
         if (hrService) {
           hrService.startBatchCommand('Create Layer');
           hrService.insertElement(layer.getGroup());
@@ -9784,7 +10519,6 @@
         this.current_layer = layer;
         return layer.getGroup();
       }
-
       /**
        * Creates a copy of the current layer with the given name and makes it the current layer.
        * @param {string} name - The given name. If the layer name exists, a new name will be generated.
@@ -9794,29 +10528,32 @@
       */
 
     }, {
-      key: 'cloneLayer',
+      key: "cloneLayer",
       value: function cloneLayer(name, hrService) {
         if (!this.current_layer) {
           return null;
         }
-        this.current_layer.deactivate();
-        // Check for duplicate name.
+
+        this.current_layer.deactivate(); // Check for duplicate name.
+
         if (name === undefined || name === null || name === '' || this.layer_map[name]) {
           name = getNewLayerName(Object.keys(this.layer_map));
-        }
+        } // Create new group and add to DOM just after current_layer
+
 
-        // Create new group and add to DOM just after current_layer
         var currentGroup = this.current_layer.getGroup();
         var layer = new Layer(name, currentGroup, this.svgElem_);
-        var group = layer.getGroup();
+        var group = layer.getGroup(); // Clone children
 
-        // Clone children
         var children = currentGroup.childNodes;
+
         for (var _index = 0; _index < children.length; _index++) {
           var ch = children[_index];
+
           if (ch.localName === 'title') {
             continue;
           }
+
           group.append(this.copyElem(ch));
         }
 
@@ -9824,20 +10561,21 @@
           hrService.startBatchCommand('Duplicate Layer');
           hrService.insertElement(group);
           hrService.endBatchCommand();
-        }
+        } // Update layer containers and current_layer.
+
 
-        // Update layer containers and current_layer.
         var index = this.all_layers.indexOf(this.current_layer);
+
         if (index >= 0) {
           this.all_layers.splice(index + 1, 0, layer);
         } else {
           this.all_layers.push(layer);
         }
+
         this.layer_map[name] = layer;
         this.current_layer = layer;
         return group;
       }
-
       /**
        * Returns whether the layer is visible.  If the layer name is not valid,
        * then this function returns `false`.
@@ -9846,12 +10584,11 @@
       */
 
     }, {
-      key: 'getLayerVisibility',
+      key: "getLayerVisibility",
       value: function getLayerVisibility(layerName) {
         var layer = this.layer_map[layerName];
         return layer ? layer.isVisible() : false;
       }
-
       /**
        * Sets the visibility of the layer. If the layer name is not valid, this
        * function returns `null`, otherwise it returns the `SVGElement` representing
@@ -9863,19 +10600,21 @@
       */
 
     }, {
-      key: 'setLayerVisibility',
+      key: "setLayerVisibility",
       value: function setLayerVisibility(layerName, bVisible) {
         if (typeof bVisible !== 'boolean') {
           return null;
         }
+
         var layer = this.layer_map[layerName];
+
         if (!layer) {
           return null;
         }
+
         layer.setVisible(bVisible);
         return layer.getGroup();
       }
-
       /**
        * Returns the opacity of the given layer.  If the input name is not a layer, `null` is returned.
        * @param {string} layerName - name of the layer on which to get the opacity
@@ -9884,15 +10623,16 @@
       */
 
     }, {
-      key: 'getLayerOpacity',
+      key: "getLayerOpacity",
       value: function getLayerOpacity(layerName) {
         var layer = this.layer_map[layerName];
+
         if (!layer) {
           return null;
         }
+
         return layer.getOpacity();
       }
-
       /**
        * Sets the opacity of the given layer.  If the input name is not a layer,
        * nothing happens. If opacity is not a value between 0.0 and 1.0, then
@@ -9907,17 +10647,18 @@
       */
 
     }, {
-      key: 'setLayerOpacity',
+      key: "setLayerOpacity",
       value: function setLayerOpacity(layerName, opacity) {
         if (typeof opacity !== 'number' || opacity < 0.0 || opacity > 1.0) {
           return;
         }
+
         var layer = this.layer_map[layerName];
+
         if (layer) {
           layer.setOpacity(opacity);
         }
       }
-
       /**
        * Create a clone of an element, updating its ID and its children's IDs when needed
        * @param {Element} el - DOM element to clone
@@ -9925,18 +10666,20 @@
        */
 
     }, {
-      key: 'copyElem',
+      key: "copyElem",
       value: function copyElem$$1(el) {
         var self = this;
+
         var getNextIdClosure = function getNextIdClosure() {
           return self.getNextId();
         };
+
         return copyElem(el, getNextIdClosure);
       }
     }]);
+
     return Drawing;
   }();
-
   /**
    * Called to ensure that drawings will or will not have randomized ids.
    * The currentDrawing will have its nonce set if it doesn't already.
@@ -9945,6 +10688,7 @@
    * @param {draw.Drawing} currentDrawing
    * @returns {undefined}
    */
+
   var randomizeIds = function randomizeIds(enableRandomization, currentDrawing) {
     randIds = enableRandomization === false ? RandomizeModes.NEVER_RANDOMIZE : RandomizeModes.ALWAYS_RANDOMIZE;
 
@@ -9953,9 +10697,7 @@
     } else if (randIds === RandomizeModes.NEVER_RANDOMIZE && currentDrawing.getNonce()) {
       currentDrawing.clearNonce();
     }
-  };
-
-  // Layer API Functions
+  }; // Layer API Functions
 
   /**
   * Group: Layers
@@ -9972,32 +10714,39 @@
    * @property {external:jQuery.data} elData
    * @property {module:history.UndoManager} undoMgr
    */
+
   /**
    * @function module:draw.DrawCanvasInit#getCurrentGroup
    * @returns {Element}
    */
+
   /**
    * @function module:draw.DrawCanvasInit#setCurrentGroup
    * @param {Element} cg
    * @returns {undefined}
   */
+
   /**
    * @function module:draw.DrawCanvasInit#getSelectedElements
    * @returns {Element[]} the array with selected DOM elements
   */
+
   /**
    * @function module:draw.DrawCanvasInit#getSVGContent
    * @returns {SVGSVGElement}
    */
+
   /**
    * @function module:draw.DrawCanvasInit#getCurrentDrawing
    * @returns {module:draw.Drawing}
    */
+
   /**
    * @function module:draw.DrawCanvasInit#clearSelection
    * @param {boolean} [noCall] - When `true`, does not call the "selected" handler
    * @returns {undefined}
   */
+
   /**
    * Run the callback function associated with the given event
    * @function module:draw.DrawCanvasInit#call
@@ -10007,36 +10756,38 @@
    * passed. If the event is "contextset", the arg is `null` or `Element`.
    * @returns {undefined}
    */
+
   /**
    * @function module:draw.DrawCanvasInit#addCommandToHistory
    * @param {Command} cmd
    * @returns {undefined}
   */
+
   /**
    * @function module:draw.DrawCanvasInit#changeSVGContent
    * @returns {undefined}
    */
 
-  var canvas_ = void 0;
+  var canvas_;
   /**
   * @function module:draw.init
   * @param {module:draw.DrawCanvasInit} canvas
   * @returns {undefined}
   */
+
   var init$3 = function init(canvas) {
     canvas_ = canvas;
   };
-
   /**
   * Updates layer system
   * @function module:draw.identifyLayers
   * @returns {undefined}
   */
+
   var identifyLayers = function identifyLayers() {
     leaveContext();
     canvas_.getCurrentDrawing().identifyLayers();
   };
-
   /**
   * Creates a new top-level layer in the drawing with the given name, sets the current layer
   * to it, and then clears the selection. This function then calls the 'changed' handler.
@@ -10047,12 +10798,12 @@
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {undefined}
   */
+
   var createLayer = function createLayer(name, hrService) {
     var newLayer = canvas_.getCurrentDrawing().createLayer(name, historyRecordingService(hrService));
     canvas_.clearSelection();
     canvas_.call('changed', [newLayer]);
   };
-
   /**
    * Creates a new top-level layer in the drawing with the given name, copies all the current layer's contents
    * to it, and then clears the selection. This function then calls the 'changed' handler.
@@ -10063,15 +10814,14 @@
    * @fires module:svgcanvas.SvgCanvas#event:changed
    * @returns {undefined}
    */
+
   var cloneLayer = function cloneLayer(name, hrService) {
     // Clone the current layer and make the cloned layer the new current layer
     var newLayer = canvas_.getCurrentDrawing().cloneLayer(name, historyRecordingService(hrService));
-
     canvas_.clearSelection();
     leaveContext();
     canvas_.call('changed', [newLayer]);
   };
-
   /**
   * Deletes the current layer from the drawing and then clears the selection. This function
   * then calls the 'changed' handler. This is an undoable action.
@@ -10079,25 +10829,26 @@
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {boolean} `true` if an old layer group was found to delete
   */
+
   var deleteCurrentLayer = function deleteCurrentLayer() {
     var currentLayer = canvas_.getCurrentDrawing().getCurrentLayer();
     var _currentLayer = currentLayer,
         nextSibling = _currentLayer.nextSibling;
-
     var parent = currentLayer.parentNode;
     currentLayer = canvas_.getCurrentDrawing().deleteCurrentLayer();
+
     if (currentLayer) {
-      var batchCmd = new BatchCommand('Delete Layer');
-      // store in our Undo History
+      var batchCmd = new BatchCommand('Delete Layer'); // store in our Undo History
+
       batchCmd.addSubCommand(new RemoveElementCommand(currentLayer, nextSibling, parent));
       canvas_.addCommandToHistory(batchCmd);
       canvas_.clearSelection();
       canvas_.call('changed', [parent]);
       return true;
     }
+
     return false;
   };
-
   /**
   * Sets the current layer. If the name is not a valid layer name, then this function returns
   * false. Otherwise it returns true. This is not an undo-able action.
@@ -10105,14 +10856,16 @@
   * @param {string} name - The name of the layer you want to switch to.
   * @returns {boolean} true if the current layer was switched, otherwise false
   */
+
   var setCurrentLayer = function setCurrentLayer(name) {
     var result = canvas_.getCurrentDrawing().setCurrentLayer(toXml(name));
+
     if (result) {
       canvas_.clearSelection();
     }
+
     return result;
   };
-
   /**
   * Renames the current layer. If the layer name is not valid (i.e. unique), then this function
   * does nothing and returns `false`, otherwise it returns `true`. This is an undo-able action.
@@ -10122,19 +10875,22 @@
   * @fires module:svgcanvas.SvgCanvas#event:changed
   * @returns {boolean} Whether the rename succeeded
   */
+
   var renameCurrentLayer = function renameCurrentLayer(newName) {
     var drawing = canvas_.getCurrentDrawing();
     var layer = drawing.getCurrentLayer();
+
     if (layer) {
       var result = drawing.setCurrentLayerName(newName, historyRecordingService());
+
       if (result) {
         canvas_.call('changed', [layer]);
         return true;
       }
     }
+
     return false;
   };
-
   /**
   * Changes the position of the current layer to the new value. If the new index is not valid,
   * this function does nothing and returns false, otherwise it returns true. This is an
@@ -10144,16 +10900,18 @@
   * 0 and (number of layers - 1)
   * @returns {boolean} `true` if the current layer position was changed, `false` otherwise.
   */
+
   var setCurrentLayerPosition = function setCurrentLayerPosition(newPos) {
     var drawing = canvas_.getCurrentDrawing();
     var result = drawing.setCurrentLayerPosition(newPos);
+
     if (result) {
       canvas_.addCommandToHistory(new MoveElementCommand(result.currentGroup, result.oldNextSibling, canvas_.getSVGContent()));
       return true;
     }
+
     return false;
   };
-
   /**
   * Sets the visibility of the layer. If the layer name is not valid, this function return
   * `false`, otherwise it returns `true`. This is an undo-able action.
@@ -10162,13 +10920,17 @@
   * @param {boolean} bVisible - Whether the layer should be visible
   * @returns {boolean} true if the layer's visibility was set, false otherwise
   */
+
   var setLayerVisibility = function setLayerVisibility(layerName, bVisible) {
     var drawing = canvas_.getCurrentDrawing();
     var prevVisibility = drawing.getLayerVisibility(layerName);
     var layer = drawing.setLayerVisibility(layerName, bVisible);
+
     if (layer) {
       var oldDisplay = prevVisibility ? 'inline' : 'none';
-      canvas_.addCommandToHistory(new ChangeElementCommand(layer, { display: oldDisplay }, 'Layer Visibility'));
+      canvas_.addCommandToHistory(new ChangeElementCommand(layer, {
+        display: oldDisplay
+      }, 'Layer Visibility'));
     } else {
       return false;
     }
@@ -10176,11 +10938,11 @@
     if (layer === drawing.getCurrentLayer()) {
       canvas_.clearSelection();
       canvas_.pathActions.clear();
-    }
-    // call('changed', [selected]);
+    } // call('changed', [selected]);
+
+
     return true;
   };
-
   /**
   * Moves the selected elements to layerName. If the name is not a valid layer name, then `false`
   * is returned. Otherwise it returns `true`. This is an undo-able action.
@@ -10188,60 +10950,62 @@
   * @param {string} layerName - The name of the layer you want to which you want to move the selected elements
   * @returns {boolean} Whether the selected elements were moved to the layer.
   */
+
   var moveSelectedToLayer = function moveSelectedToLayer(layerName) {
     // find the layer
     var drawing = canvas_.getCurrentDrawing();
     var layer = drawing.getLayerByName(layerName);
+
     if (!layer) {
       return false;
     }
 
-    var batchCmd = new BatchCommand('Move Elements to Layer');
+    var batchCmd = new BatchCommand('Move Elements to Layer'); // loop for each selected element and move it
 
-    // loop for each selected element and move it
     var selElems = canvas_.getSelectedElements();
     var i = selElems.length;
+
     while (i--) {
       var elem = selElems[i];
+
       if (!elem) {
         continue;
       }
-      var oldNextSibling = elem.nextSibling;
-      // TODO: this is pretty brittle!
+
+      var oldNextSibling = elem.nextSibling; // TODO: this is pretty brittle!
+
       var oldLayer = elem.parentNode;
       layer.append(elem);
       batchCmd.addSubCommand(new MoveElementCommand(elem, oldNextSibling, oldLayer));
     }
 
     canvas_.addCommandToHistory(batchCmd);
-
     return true;
   };
-
   /**
   * @function module:draw.mergeLayer
   * @param {module:history.HistoryRecordingService} hrService
   * @returns {undefined}
   */
+
   var mergeLayer = function mergeLayer(hrService) {
     canvas_.getCurrentDrawing().mergeLayer(historyRecordingService(hrService));
     canvas_.clearSelection();
     leaveContext();
     canvas_.changeSVGContent();
   };
-
   /**
   * @function module:draw.mergeAllLayers
   * @param {module:history.HistoryRecordingService} hrService
   * @returns {undefined}
   */
+
   var mergeAllLayers = function mergeAllLayers(hrService) {
     canvas_.getCurrentDrawing().mergeAllLayers(historyRecordingService(hrService));
     canvas_.clearSelection();
     leaveContext();
     canvas_.changeSVGContent();
   };
-
   /**
   * Return from a group context to the regular kind, make any previously
   * disabled elements enabled again
@@ -10249,26 +11013,31 @@
   * @fires module:svgcanvas.SvgCanvas#event:contextset
   * @returns {undefined}
   */
+
   var leaveContext = function leaveContext() {
     var len = disabledElems.length;
+
     if (len) {
       for (var i = 0; i < len; i++) {
         var elem = disabledElems[i];
         var orig = canvas_.elData(elem, 'orig_opac');
+
         if (orig !== 1) {
           elem.setAttribute('opacity', orig);
         } else {
           elem.removeAttribute('opacity');
         }
+
         elem.setAttribute('style', 'pointer-events: inherit');
       }
+
       disabledElems = [];
       canvas_.clearSelection(true);
       canvas_.call('contextset', null);
     }
+
     canvas_.setCurrentGroup(null);
   };
-
   /**
   * Set the current context (for in-group editing)
   * @function module:draw.setContext
@@ -10276,25 +11045,25 @@
   * @fires module:svgcanvas.SvgCanvas#event:contextset
   * @returns {undefined}
   */
+
   var setContext = function setContext(elem) {
     leaveContext();
+
     if (typeof elem === 'string') {
       elem = getElem(elem);
-    }
+    } // Edit inside this group
 
-    // Edit inside this group
-    canvas_.setCurrentGroup(elem);
 
-    // Disable other elements
+    canvas_.setCurrentGroup(elem); // Disable other elements
+
     $$5(elem).parentsUntil('#svgcontent').andSelf().siblings().each(function () {
-      var opac = this.getAttribute('opacity') || 1;
-      // Store the original's opacity
+      var opac = this.getAttribute('opacity') || 1; // Store the original's opacity
+
       canvas_.elData(this, 'orig_opac', opac);
       this.setAttribute('opacity', opac * 0.33);
       this.setAttribute('style', 'pointer-events: none');
       disabledElems.push(this);
     });
-
     canvas_.clearSelection();
     canvas_.call('contextset', canvas_.getCurrentGroup());
   };
@@ -10319,17 +11088,8 @@
     Layer: Layer
   });
 
-  /**
-   * Tools for SVG sanitization
-   * @module sanitize
-   * @license MIT
-   *
-   * @copyright 2010 Alexis Deveria, 2010 Jeff Schiller
-   */
+  var REVERSE_NS = getReverseNS(); // this defines which elements and attributes that we support
 
-  var REVERSE_NS = getReverseNS();
-
-  // this defines which elements and attributes that we support
   var svgWhiteList_ = {
     // SVG Elements
     a: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'id', 'mask', 'opacity', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'transform', 'xlink:href', 'xlink:title'],
@@ -10364,7 +11124,6 @@
     title: [],
     tspan: ['class', 'clip-path', 'clip-rule', 'dx', 'dy', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'font-family', 'font-size', 'font-style', 'font-weight', 'id', 'mask', 'opacity', 'requiredFeatures', 'rotate', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'systemLanguage', 'text-anchor', 'textLength', 'transform', 'x', 'xml:space', 'y'],
     use: ['class', 'clip-path', 'clip-rule', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'height', 'id', 'mask', 'stroke', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'style', 'transform', 'width', 'x', 'xlink:href', 'y'],
-
     // MathML Elements
     annotation: ['encoding'],
     'annotation-xml': ['encoding'],
@@ -10397,18 +11156,17 @@
     munderover: [],
     none: [],
     semantics: []
-  };
+  }; // Produce a Namespace-aware version of svgWhitelist
 
-  // Produce a Namespace-aware version of svgWhitelist
   var svgWhiteListNS_ = {};
   Object.entries(svgWhiteList_).forEach(function (_ref) {
-    var _ref2 = slicedToArray(_ref, 2),
+    var _ref2 = _slicedToArray(_ref, 2),
         elt = _ref2[0],
         atts = _ref2[1];
 
     var attNS = {};
     Object.entries(atts).forEach(function (_ref3) {
-      var _ref4 = slicedToArray(_ref3, 2),
+      var _ref4 = _slicedToArray(_ref3, 2),
           i = _ref4[0],
           att = _ref4[1];
 
@@ -10421,7 +11179,6 @@
     });
     svgWhiteListNS_[elt] = attNS;
   });
-
   /**
   * Sanitizes the input node and its children.
   * It only keeps what is allowed from our whitelist defined above.
@@ -10429,47 +11186,49 @@
   * @param {Text|Element} node - The DOM element to be checked (we'll also check its children) or text node to be cleaned up
   * @returns {undefined}
   */
+
   var sanitizeSvg = function sanitizeSvg(node) {
     // Cleanup text nodes
     if (node.nodeType === 3) {
       // 3 === TEXT_NODE
       // Trim whitespace
-      node.nodeValue = node.nodeValue.replace(/^\s+|\s+$/g, '');
-      // Remove if empty
+      node.nodeValue = node.nodeValue.replace(/^\s+|\s+$/g, ''); // Remove if empty
+
       if (!node.nodeValue.length) {
         node.remove();
       }
-    }
-
-    // We only care about element nodes.
+    } // We only care about element nodes.
     // Automatically return for all non-element nodes, such as comments, etc.
+
+
     if (node.nodeType !== 1) {
       // 1 == ELEMENT_NODE
       return;
     }
 
     var doc = node.ownerDocument;
-    var parent = node.parentNode;
-    // can parent ever be null here?  I think the root node's parent is the document...
+    var parent = node.parentNode; // can parent ever be null here?  I think the root node's parent is the document...
+
     if (!doc || !parent) {
       return;
     }
 
     var allowedAttrs = svgWhiteList_[node.nodeName];
-    var allowedAttrsNS = svgWhiteListNS_[node.nodeName];
-    // if this element is supported, sanitize it
+    var allowedAttrsNS = svgWhiteListNS_[node.nodeName]; // if this element is supported, sanitize it
+
     if (typeof allowedAttrs !== 'undefined') {
       var seAttrs = [];
       var i = node.attributes.length;
+
       while (i--) {
         // if the attribute is not in our whitelist, then remove it
         // could use jQuery's inArray(), but I don't know if that's any better
         var attr = node.attributes.item(i);
         var attrName = attr.nodeName;
         var attrLocalName = attr.localName;
-        var attrNsURI = attr.namespaceURI;
-        // Check that an attribute with the correct localName in the correct namespace is on
+        var attrNsURI = attr.namespaceURI; // Check that an attribute with the correct localName in the correct namespace is on
         // our whitelist or is a namespace declaration for one of our allowed namespaces
+
         if (!(allowedAttrsNS.hasOwnProperty(attrLocalName) && attrNsURI === allowedAttrsNS[attrLocalName] && attrNsURI !== NS.XMLNS) && !(attrNsURI === NS.XMLNS && REVERSE_NS[attr.value])) {
           // TODO(codedread): Programmatically add the se: attributes to the NS-aware whitelist.
           // Bypassing the whitelist to allow se: prefixes.
@@ -10477,10 +11236,11 @@
           if (attrName.startsWith('se:') || attrName.startsWith('data-')) {
             seAttrs.push([attrName, attr.value]);
           }
-          node.removeAttributeNS(attrNsURI, attrLocalName);
-        }
 
-        // Add spaces before negative signs where necessary
+          node.removeAttributeNS(attrNsURI, attrLocalName);
+        } // Add spaces before negative signs where necessary
+
+
         if (isGecko()) {
           switch (attrName) {
             case 'transform':
@@ -10490,40 +11250,44 @@
               node.setAttribute(attrName, val);
               break;
           }
-        }
+        } // For the style attribute, rewrite it in terms of XML presentational attributes
+
 
-        // For the style attribute, rewrite it in terms of XML presentational attributes
         if (attrName === 'style') {
           var props = attr.value.split(';');
           var p = props.length;
+
           while (p--) {
             var _props$p$split = props[p].split(':'),
-                _props$p$split2 = slicedToArray(_props$p$split, 2),
+                _props$p$split2 = _slicedToArray(_props$p$split, 2),
                 name = _props$p$split2[0],
                 _val = _props$p$split2[1];
 
             var styleAttrName = (name || '').trim();
-            var styleAttrVal = (_val || '').trim();
-            // Now check that this attribute is supported
+
+            var styleAttrVal = (_val || '').trim(); // Now check that this attribute is supported
+
+
             if (allowedAttrs.includes(styleAttrName)) {
               node.setAttribute(styleAttrName, styleAttrVal);
             }
           }
+
           node.removeAttribute('style');
         }
       }
 
       Object.values(seAttrs).forEach(function (_ref5) {
-        var _ref6 = slicedToArray(_ref5, 2),
+        var _ref6 = _slicedToArray(_ref5, 2),
             att = _ref6[0],
             val = _ref6[1];
 
         node.setAttributeNS(NS.SE, att, val);
-      });
-
-      // for some elements that have a xlink:href, ensure the URI refers to a local element
+      }); // for some elements that have a xlink:href, ensure the URI refers to a local element
       // (but not for links)
+
       var href = getHref(node);
+
       if (href && ['filter', 'linearGradient', 'pattern', 'radialGradient', 'textPath', 'use'].includes(node.nodeName)) {
         // TODO: we simply check if the first character is a #, is this bullet-proof?
         if (href[0] !== '#') {
@@ -10531,46 +11295,49 @@
           setHref(node, '');
           node.removeAttributeNS(NS.XLINK, 'href');
         }
-      }
+      } // Safari crashes on a <use> without a xlink:href, so we just remove the node here
+
 
-      // Safari crashes on a <use> without a xlink:href, so we just remove the node here
       if (node.nodeName === 'use' && !getHref(node)) {
         node.remove();
         return;
-      }
-      // if the element has attributes pointing to a non-local reference,
+      } // if the element has attributes pointing to a non-local reference,
       // need to remove the attribute
+
+
       Object.values(['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'], function (attr) {
         var val = node.getAttribute(attr);
+
         if (val) {
-          val = getUrlFromAttr(val);
-          // simply check for first character being a '#'
+          val = getUrlFromAttr(val); // simply check for first character being a '#'
+
           if (val && val[0] !== '#') {
             node.setAttribute(attr, '');
             node.removeAttribute(attr);
           }
         }
-      });
+      }); // recurse to children
 
-      // recurse to children
       i = node.childNodes.length;
+
       while (i--) {
         sanitizeSvg(node.childNodes.item(i));
-      }
-      // else (element not supported), remove it
+      } // else (element not supported), remove it
+
     } else {
       // remove all children from this node and insert them before this node
       // FIXME: in the case of animation elements this will hardly ever be correct
       var children = [];
+
       while (node.hasChildNodes()) {
         children.push(parent.insertBefore(node.firstChild, node));
-      }
+      } // remove this node from the document altogether
 
-      // remove this node from the document altogether
-      node.remove();
 
-      // call sanitizeSvg on each of those children
+      node.remove(); // call sanitizeSvg on each of those children
+
       var _i = children.length;
+
       while (_i--) {
         sanitizeSvg(children[_i]);
       }
@@ -10578,43 +11345,43 @@
   };
 
   /* globals jQuery */
+  var $$6 = jQuery; // this is how we map paths to our preferred relative segment types
 
-  var $$6 = jQuery;
-
-  // this is how we map paths to our preferred relative segment types
   var pathMap$1 = [0, 'z', 'M', 'm', 'L', 'l', 'C', 'c', 'Q', 'q', 'A', 'a', 'H', 'h', 'V', 'v', 'S', 's', 'T', 't'];
-
   /**
    * @interface module:coords.EditorContext
    */
+
   /**
    * @function module:coords.EditorContext#getGridSnapping
    * @returns {boolean}
    */
+
   /**
    * @function module:coords.EditorContext#getDrawing
    * @returns {module:draw.Drawing}
   */
+
   /**
    * @function module:coords.EditorContext#getSVGRoot
    * @returns {SVGSVGElement}
   */
 
   var editorContext_$2 = null;
-
   /**
   * @function module:coords.init
   * @param {module:coords.EditorContext} editorContext
   */
+
   var init$4 = function init(editorContext) {
     editorContext_$2 = editorContext;
   };
-
   /**
    * Applies coordinate changes to an element based on the given matrix
    * @function module:coords.remapElement
    * @implements {module:path.EditorContext#remapElement}
   */
+
   var remapElement = function remapElement(selected, changes, m) {
     var remap = function remap(x, y) {
       return transformPoint(x, y, m);
@@ -10632,6 +11399,7 @@
           changes[o] = snapToGrid(changes[o]);
         }
       }
+
       assignAttributes(selected, changes, 1000, true);
     },
         box = getBBox(selected);
@@ -10639,10 +11407,12 @@
     for (var i = 0; i < 2; i++) {
       var type = i === 0 ? 'fill' : 'stroke';
       var attrVal = selected.getAttribute(type);
+
       if (attrVal && attrVal.startsWith('url(')) {
         if (m.a < 0 || m.d < 0) {
           var grad = getRefElem(attrVal);
           var newgrad = grad.cloneNode(true);
+
           if (m.a < 0) {
             // flip x
             var x1 = newgrad.getAttribute('x1');
@@ -10658,19 +11428,20 @@
             newgrad.setAttribute('y1', -(y1 - 1));
             newgrad.setAttribute('y2', -(y2 - 1));
           }
+
           newgrad.id = editorContext_$2.getDrawing().getNextId();
           findDefs().append(newgrad);
           selected.setAttribute(type, 'url(#' + newgrad.id + ')');
-        }
-
-        // Not really working :(
+        } // Not really working :(
         // if (selected.tagName === 'path') {
         //   reorientGrads(selected, m);
         // }
+
       }
     }
 
     var elName = selected.tagName;
+
     if (elName === 'g' || elName === 'text' || elName === 'tspan' || elName === 'use') {
       // if it was a translate, then just update x,y
       if (m.a === 1 && m.b === 0 && m.c === 0 && m.d === 1 && (m.e !== 0 || m.f !== 0)) {
@@ -10688,10 +11459,10 @@
         chlist.clear();
         chlist.appendItem(mt);
       }
-    }
-
-    // now we have a set of changes and an applied reduced transform list
+    } // now we have a set of changes and an applied reduced transform list
     // we apply the changes directly to the DOM
+
+
     switch (elName) {
       case 'foreignObject':
       case 'rect':
@@ -10701,9 +11472,13 @@
           if (elName === 'image' && (m.a < 0 || m.d < 0)) {
             // Convert to matrix
             var _chlist = getTransformList(selected);
+
             var _mt = editorContext_$2.getSVGRoot().createSVGTransform();
+
             _mt.setMatrix(matrixMultiply(transformListToTransform(_chlist).matrix, m));
+
             _chlist.clear();
+
             _chlist.appendItem(_mt);
           } else {
             var pt1 = remap(changes.x, changes.y);
@@ -10714,9 +11489,12 @@
             changes.width = Math.abs(changes.width);
             changes.height = Math.abs(changes.height);
           }
+
           finishUp();
           break;
-        }case 'ellipse':
+        }
+
+      case 'ellipse':
         {
           var c = remap(changes.cx, changes.cy);
           changes.cx = c.x;
@@ -10727,12 +11505,15 @@
           changes.ry = Math.abs(changes.ry);
           finishUp();
           break;
-        }case 'circle':
+        }
+
+      case 'circle':
         {
           var _c = remap(changes.cx, changes.cy);
+
           changes.cx = _c.x;
-          changes.cy = _c.y;
-          // take the minimum of the new selected box's dimensions for the new circle radius
+          changes.cy = _c.y; // take the minimum of the new selected box's dimensions for the new circle radius
+
           var tbox = transformBox(box.x, box.y, box.width, box.height, m);
           var w = tbox.tr.x - tbox.tl.x,
               h = tbox.bl.y - tbox.tl.y;
@@ -10741,34 +11522,47 @@
           if (changes.r) {
             changes.r = Math.abs(changes.r);
           }
+
           finishUp();
           break;
-        }case 'line':
+        }
+
+      case 'line':
         {
           var _pt = remap(changes.x1, changes.y1);
+
           var pt2 = remap(changes.x2, changes.y2);
           changes.x1 = _pt.x;
           changes.y1 = _pt.y;
           changes.x2 = pt2.x;
           changes.y2 = pt2.y;
-        } // Fallthrough
+        }
+      // Fallthrough
+
       case 'text':
       case 'tspan':
       case 'use':
         {
           finishUp();
           break;
-        }case 'g':
+        }
+
+      case 'g':
         {
           var gsvg = $$6(selected).data('gsvg');
+
           if (gsvg) {
             assignAttributes(gsvg, changes, 1000, true);
           }
+
           break;
-        }case 'polyline':
+        }
+
+      case 'polyline':
       case 'polygon':
         {
           var len = changes.points.length;
+
           for (var _i = 0; _i < len; ++_i) {
             var pt = changes.points[_i];
 
@@ -10778,21 +11572,26 @@
 
             changes.points[_i].x = x;
             changes.points[_i].y = y;
-          }
+          } // const len = changes.points.length;
+
 
-          // const len = changes.points.length;
           var pstr = '';
+
           for (var _i2 = 0; _i2 < len; ++_i2) {
             var _pt2 = changes.points[_i2];
             pstr += _pt2.x + ',' + _pt2.y + ' ';
           }
+
           selected.setAttribute('points', pstr);
           break;
-        }case 'path':
+        }
+
+      case 'path':
         {
           var segList = selected.pathSegList;
           var _len = segList.numberOfItems;
           changes.d = [];
+
           for (var _i3 = 0; _i3 < _len; ++_i3) {
             var seg = segList.getItem(_i3);
             changes.d[_i3] = {
@@ -10816,10 +11615,10 @@
               currentpt = remap(firstseg.x, firstseg.y);
           changes.d[0].x = currentpt.x;
           changes.d[0].y = currentpt.y;
+
           for (var _i4 = 1; _i4 < _len; ++_i4) {
             var _seg = changes.d[_i4];
-            var _type = _seg.type;
-            // if absolute or first segment, we want to remap x, y, x1, y1, x2, y2
+            var _type = _seg.type; // if absolute or first segment, we want to remap x, y, x1, y1, x2, y2
             // if relative, we want to scalew, scaleh
 
             if (_type % 2 === 0) {
@@ -10827,9 +11626,13 @@
               var thisx = _seg.x !== undefined ? _seg.x : currentpt.x,
                   // for V commands
               thisy = _seg.y !== undefined ? _seg.y : currentpt.y; // for H commands
+
               var _pt3 = remap(thisx, thisy);
+
               var _pt4 = remap(_seg.x1, _seg.y1);
+
               var _pt5 = remap(_seg.x2, _seg.y2);
+
               _seg.x = _pt3.x;
               _seg.y = _pt3.y;
               _seg.x1 = _pt4.x;
@@ -10851,49 +11654,68 @@
             }
           } // for each segment
 
+
           var dstr = '';
           _len = changes.d.length;
+
           for (var _i5 = 0; _i5 < _len; ++_i5) {
             var _seg2 = changes.d[_i5];
             var _type2 = _seg2.type;
-
             dstr += pathMap$1[_type2];
+
             switch (_type2) {
               case 13: // relative horizontal line (h)
+
               case 12:
                 // absolute horizontal line (H)
                 dstr += _seg2.x + ' ';
                 break;
+
               case 15: // relative vertical line (v)
+
               case 14:
                 // absolute vertical line (V)
                 dstr += _seg2.y + ' ';
                 break;
+
               case 3: // relative move (m)
+
               case 5: // relative line (l)
+
               case 19: // relative smooth quad (t)
+
               case 2: // absolute move (M)
+
               case 4: // absolute line (L)
+
               case 18:
                 // absolute smooth quad (T)
                 dstr += _seg2.x + ',' + _seg2.y + ' ';
                 break;
+
               case 7: // relative cubic (c)
+
               case 6:
                 // absolute cubic (C)
                 dstr += _seg2.x1 + ',' + _seg2.y1 + ' ' + _seg2.x2 + ',' + _seg2.y2 + ' ' + _seg2.x + ',' + _seg2.y + ' ';
                 break;
+
               case 9: // relative quad (q)
+
               case 8:
                 // absolute quad (Q)
                 dstr += _seg2.x1 + ',' + _seg2.y1 + ' ' + _seg2.x + ',' + _seg2.y + ' ';
                 break;
+
               case 11: // relative elliptical arc (a)
+
               case 10:
                 // absolute elliptical arc (A)
                 dstr += _seg2.r1 + ',' + _seg2.r2 + ' ' + _seg2.angle + ' ' + +_seg2.largeArcFlag + ' ' + +_seg2.sweepFlag + ' ' + _seg2.x + ',' + _seg2.y + ' ';
                 break;
+
               case 17: // relative smooth cubic (s)
+
               case 16:
                 // absolute smooth cubic (S)
                 dstr += _seg2.x2 + ',' + _seg2.y2 + ' ' + _seg2.x + ',' + _seg2.y + ' ';
@@ -10908,22 +11730,22 @@
   };
 
   /* globals jQuery */
-
   var $$7 = jqPluginSVG(jQuery);
-
-  var context_ = void 0;
-
+  var context_;
   /**
   * @interface module:recalculate.EditorContext
   */
+
   /**
    * @function module:recalculate.EditorContext#getSVGRoot
    * @returns {SVGSVGElement} The root DOM element
    */
+
   /**
    * @function module:recalculate.EditorContext#getStartTransform
    * @returns {string}
   */
+
   /**
    * @function module:recalculate.EditorContext#setStartTransform
    * @param {string} transform
@@ -10935,10 +11757,10 @@
   * @param {module:recalculate.EditorContext} editorContext
   * @returns {undefined}
   */
+
   var init$5 = function init$$1(editorContext) {
     context_ = editorContext;
   };
-
   /**
   * Updates a `<clipPath>`s values based on the given translation of an element
   * @function module:recalculate.updateClipPath
@@ -10947,46 +11769,45 @@
   * @param {Float} ty - The translation's y value
   * @returns {undefined}
   */
+
   var updateClipPath = function updateClipPath(attr, tx, ty) {
     var path = getRefElem(attr).firstChild;
     var cpXform = getTransformList(path);
     var newxlate = context_.getSVGRoot().createSVGTransform();
     newxlate.setTranslate(tx, ty);
+    cpXform.appendItem(newxlate); // Update clipPath's dimensions
 
-    cpXform.appendItem(newxlate);
-
-    // Update clipPath's dimensions
     recalculateDimensions(path);
   };
-
   /**
   * Decides the course of action based on the element's transform list
   * @function module:recalculate.recalculateDimensions
   * @param {Element} selected - The DOM element to recalculate
   * @returns {Command} Undo command object with the resulting change
   */
+
   var recalculateDimensions = function recalculateDimensions(selected) {
     if (selected == null) {
       return null;
-    }
+    } // Firefox Issue - 1081
+
 
-    // Firefox Issue - 1081
     if (selected.nodeName === 'svg' && navigator.userAgent.includes('Firefox/20')) {
       return null;
     }
 
     var svgroot = context_.getSVGRoot();
-    var tlist = getTransformList(selected);
+    var tlist = getTransformList(selected); // remove any unnecessary transforms
 
-    // remove any unnecessary transforms
     if (tlist && tlist.numberOfItems > 0) {
       var k = tlist.numberOfItems;
       var noi = k;
+
       while (k--) {
         var xform = tlist.getItem(k);
+
         if (xform.type === 0) {
-          tlist.removeItem(k);
-          // remove identity matrices
+          tlist.removeItem(k); // remove identity matrices
         } else if (xform.type === 1) {
           if (isIdentity(xform.matrix)) {
             if (noi === 1) {
@@ -10997,64 +11818,69 @@
               selected.removeAttribute('transform');
               return null;
             }
+
             tlist.removeItem(k);
-          }
-          // remove zero-degree rotations
+          } // remove zero-degree rotations
+
         } else if (xform.type === 4) {
           if (xform.angle === 0) {
             tlist.removeItem(k);
           }
         }
-      }
-      // End here if all it has is a rotation
+      } // End here if all it has is a rotation
+
+
       if (tlist.numberOfItems === 1 && getRotationAngle(selected)) {
         return null;
       }
-    }
+    } // if this element had no transforms, we are done
+
 
-    // if this element had no transforms, we are done
     if (!tlist || tlist.numberOfItems === 0) {
       // Chrome apparently had a bug that requires clearing the attribute first.
-      selected.setAttribute('transform', '');
-      // However, this still next line currently doesn't work at all in Chrome
-      selected.removeAttribute('transform');
-      // selected.transform.baseVal.clear(); // Didn't help for Chrome bug
-      return null;
-    }
+      selected.setAttribute('transform', ''); // However, this still next line currently doesn't work at all in Chrome
+
+      selected.removeAttribute('transform'); // selected.transform.baseVal.clear(); // Didn't help for Chrome bug
+
+      return null;
+    } // TODO: Make this work for more than 2
+
 
-    // TODO: Make this work for more than 2
     if (tlist) {
       var mxs = [];
       var _k = tlist.numberOfItems;
+
       while (_k--) {
         var _xform = tlist.getItem(_k);
+
         if (_xform.type === 1) {
           mxs.push([_xform.matrix, _k]);
         } else if (mxs.length) {
           mxs = [];
         }
       }
+
       if (mxs.length === 2) {
         var mNew = svgroot.createSVGTransformFromMatrix(matrixMultiply(mxs[1][0], mxs[0][0]));
         tlist.removeItem(mxs[0][1]);
         tlist.removeItem(mxs[1][1]);
         tlist.insertItemBefore(mNew, mxs[1][1]);
-      }
+      } // combine matrix + translate
+
 
-      // combine matrix + translate
       _k = tlist.numberOfItems;
+
       if (_k >= 2 && tlist.getItem(_k - 2).type === 1 && tlist.getItem(_k - 1).type === 2) {
         var mt = svgroot.createSVGTransform();
-
         var m = matrixMultiply(tlist.getItem(_k - 2).matrix, tlist.getItem(_k - 1).matrix);
         mt.setMatrix(m);
         tlist.removeItem(_k - 2);
         tlist.removeItem(_k - 2);
         tlist.appendItem(mt);
       }
-    }
+    } // If it still has a single [M] or [R][M], return null too (prevents BatchCommand from being returned).
+
 
-    // If it still has a single [M] or [R][M], return null too (prevents BatchCommand from being returned).
     switch (selected.tagName) {
       // Ignore these elements, as they can absorb the [M]
       case 'line':
@@ -11062,42 +11888,48 @@
       case 'polygon':
       case 'path':
         break;
+
       default:
         if (tlist.numberOfItems === 1 && tlist.getItem(0).type === 1 || tlist.numberOfItems === 2 && tlist.getItem(0).type === 1 && tlist.getItem(0).type === 4) {
           return null;
         }
-    }
 
-    // Grouped SVG element
-    var gsvg = $$7(selected).data('gsvg');
+    } // Grouped SVG element
 
-    // we know we have some transforms, so set up return variable
-    var batchCmd = new BatchCommand('Transform');
 
-    // store initial values that will be affected by reducing the transform list
+    var gsvg = $$7(selected).data('gsvg'); // we know we have some transforms, so set up return variable
+
+    var batchCmd = new BatchCommand('Transform'); // store initial values that will be affected by reducing the transform list
+
     var changes = {};
     var initial = null;
     var attrs = [];
+
     switch (selected.tagName) {
       case 'line':
         attrs = ['x1', 'y1', 'x2', 'y2'];
         break;
+
       case 'circle':
         attrs = ['cx', 'cy', 'r'];
         break;
+
       case 'ellipse':
         attrs = ['cx', 'cy', 'rx', 'ry'];
         break;
+
       case 'foreignObject':
       case 'rect':
       case 'image':
         attrs = ['width', 'height', 'x', 'y'];
         break;
+
       case 'use':
       case 'text':
       case 'tspan':
         attrs = ['x', 'y'];
         break;
+
       case 'polygon':
       case 'polyline':
         {
@@ -11106,18 +11938,26 @@
           var list = selected.points;
           var len = list.numberOfItems;
           changes.points = new Array(len);
+
           for (var i = 0; i < len; ++i) {
             var pt = list.getItem(i);
-            changes.points[i] = { x: pt.x, y: pt.y };
+            changes.points[i] = {
+              x: pt.x,
+              y: pt.y
+            };
           }
+
           break;
-        }case 'path':
+        }
+
+      case 'path':
         initial = {};
         initial.d = selected.getAttribute('d');
         changes.d = selected.getAttribute('d');
         break;
     } // switch on element type to get initial values
 
+
     if (attrs.length) {
       changes = $$7(selected).attr(attrs);
       $$7.each(changes, function (attr, val) {
@@ -11129,43 +11969,46 @@
         x: $$7(gsvg).attr('x') || 0,
         y: $$7(gsvg).attr('y') || 0
       };
-    }
-
-    // if we haven't created an initial array in polygon/polyline/path, then
+    } // if we haven't created an initial array in polygon/polyline/path, then
     // make a copy of initial values and include the transform
+
+
     if (initial == null) {
       initial = $$7.extend(true, {}, changes);
       $$7.each(initial, function (attr, val) {
         initial[attr] = convertToNum(attr, val);
       });
-    }
-    // save the start transform value too
+    } // save the start transform value too
+
+
     initial.transform = context_.getStartTransform() || '';
+    var oldcenter, newcenter; // if it's a regular group, we have special processing to flatten transforms
 
-    var oldcenter = void 0,
-        newcenter = void 0;
-
-    // if it's a regular group, we have special processing to flatten transforms
     if (selected.tagName === 'g' && !gsvg || selected.tagName === 'a') {
       var box = getBBox(selected);
-
-      oldcenter = { x: box.x + box.width / 2, y: box.y + box.height / 2 };
-      newcenter = transformPoint(box.x + box.width / 2, box.y + box.height / 2, transformListToTransform(tlist).matrix);
-      // let m = svgroot.createSVGMatrix();
-
+      oldcenter = {
+        x: box.x + box.width / 2,
+        y: box.y + box.height / 2
+      };
+      newcenter = transformPoint(box.x + box.width / 2, box.y + box.height / 2, transformListToTransform(tlist).matrix); // let m = svgroot.createSVGMatrix();
       // temporarily strip off the rotate and save the old center
+
       var gangle = getRotationAngle(selected);
+
       if (gangle) {
         var a = gangle * Math.PI / 180;
-        var s = void 0;
+        var s;
+
         if (Math.abs(a) > 1.0e-10) {
           s = Math.sin(a) / (1 - Math.cos(a));
         } else {
           // FIXME: This blows up if the angle is exactly 0!
           s = 2 / a;
         }
+
         for (var _i = 0; _i < tlist.numberOfItems; ++_i) {
           var _xform2 = tlist.getItem(_i);
+
           if (_xform2.type === 4) {
             // extract old center through mystical arts
             var rm = _xform2.matrix;
@@ -11176,44 +12019,43 @@
           }
         }
       }
+
       var N = tlist.numberOfItems;
       var tx = 0,
           ty = 0,
           operation = 0;
+      var firstM;
 
-      var firstM = void 0;
       if (N) {
         firstM = tlist.getItem(0).matrix;
       }
 
-      var oldStartTransform = void 0;
-      // first, if it was a scale then the second-last transform will be it
+      var oldStartTransform; // first, if it was a scale then the second-last transform will be it
+
       if (N >= 3 && tlist.getItem(N - 2).type === 3 && tlist.getItem(N - 3).type === 2 && tlist.getItem(N - 1).type === 2) {
         operation = 3; // scale
-
         // if the children are unrotated, pass the scale down directly
         // otherwise pass the equivalent matrix() down directly
+
         var tm = tlist.getItem(N - 3).matrix,
             sm = tlist.getItem(N - 2).matrix,
             tmn = tlist.getItem(N - 1).matrix;
-
         var children = selected.childNodes;
         var c = children.length;
+
         while (c--) {
           var child = children.item(c);
           tx = 0;
           ty = 0;
-          if (child.nodeType === 1) {
-            var childTlist = getTransformList(child);
 
-            // some children might not have a transform (<metadata>, <defs>, etc)
+          if (child.nodeType === 1) {
+            var childTlist = getTransformList(child); // some children might not have a transform (<metadata>, <defs>, etc)
+
             if (!childTlist) {
               continue;
             }
 
-            var _m = transformListToTransform(childTlist).matrix;
-
-            // Convert a matrix to a scale if applicable
+            var _m = transformListToTransform(childTlist).matrix; // Convert a matrix to a scale if applicable
             // if (hasMatrixTransform(childTlist) && childTlist.numberOfItems == 1) {
             //   if (m.b==0 && m.c==0 && m.e==0 && m.f==0) {
             //     childTlist.removeItem(0);
@@ -11232,31 +12074,27 @@
             var angle = getRotationAngle(child);
             oldStartTransform = context_.getStartTransform();
             context_.setStartTransform(child.getAttribute('transform'));
+
             if (angle || hasMatrixTransform(childTlist)) {
               var e2t = svgroot.createSVGTransform();
               e2t.setMatrix(matrixMultiply(tm, sm, tmn, _m));
               childTlist.clear();
               childTlist.appendItem(e2t);
-              // if not rotated or skewed, push the [T][S][-T] down to the child
             } else {
               // update the transform list with translate,scale,translate
-
               // slide the [T][S][-T] from the front to the back
               // [T][S][-T][M] = [M][T2][S2][-T2]
-
               // (only bringing [-T] to the right of [M])
               // [T][S][-T][M] = [T][S][M][-T2]
               // [-T2] = [M_inv][-T][M]
-              var t2n = matrixMultiply(_m.inverse(), tmn, _m);
-              // [T2] is always negative translation of [-T2]
+              var t2n = matrixMultiply(_m.inverse(), tmn, _m); // [T2] is always negative translation of [-T2]
+
               var t2 = svgroot.createSVGMatrix();
               t2.e = -t2n.e;
-              t2.f = -t2n.f;
-
-              // [T][S][-T][M] = [M][T2][S2][-T2]
+              t2.f = -t2n.f; // [T][S][-T][M] = [M][T2][S2][-T2]
               // [S2] = [T2_inv][M_inv][T][S][-T][M][-T2_inv]
-              var s2 = matrixMultiply(t2.inverse(), _m.inverse(), tm, sm, tmn, _m, t2n.inverse());
 
+              var s2 = matrixMultiply(t2.inverse(), _m.inverse(), tm, sm, tmn, _m, t2n.inverse());
               var translateOrigin = svgroot.createSVGTransform(),
                   scale = svgroot.createSVGTransform(),
                   translateBack = svgroot.createSVGTransform();
@@ -11266,11 +12104,11 @@
               childTlist.appendItem(translateBack);
               childTlist.appendItem(scale);
               childTlist.appendItem(translateOrigin);
-              // logMatrix(translateBack.matrix);
               // logMatrix(scale.matrix);
             } // not rotated
-            batchCmd.addSubCommand(recalculateDimensions(child));
-            // TODO: If any <use> have this group as a parent and are
+
+
+            batchCmd.addSubCommand(recalculateDimensions(child)); // TODO: If any <use> have this group as a parent and are
             // referencing this child, then we need to impose a reverse
             // scale on it so that when it won't get double-translated
             // const uses = selected.getElementsByTagNameNS(NS.SVG, 'use');
@@ -11285,30 +12123,37 @@
             //     batchCmd.addSubCommand( recalculateDimensions(useElem) );
             //   }
             // }
+
             context_.setStartTransform(oldStartTransform);
           } // element
+
         } // for each child
         // Remove these transforms from group
+
+
         tlist.removeItem(N - 1);
         tlist.removeItem(N - 2);
         tlist.removeItem(N - 3);
       } else if (N >= 3 && tlist.getItem(N - 1).type === 1) {
         operation = 3; // scale
+
         var _m2 = transformListToTransform(tlist).matrix;
+
         var _e2t = svgroot.createSVGTransform();
+
         _e2t.setMatrix(_m2);
+
         tlist.clear();
-        tlist.appendItem(_e2t);
-        // next, check if the first transform was a translate
+        tlist.appendItem(_e2t); // next, check if the first transform was a translate
         // if we had [ T1 ] [ M ] we want to transform this into [ M ] [ T2 ]
         // therefore [ T2 ] = [ M_inv ] [ T1 ] [ M ]
       } else if ((N === 1 || N > 1 && tlist.getItem(1).type !== 3) && tlist.getItem(0).type === 2) {
         operation = 2; // translate
+
         var T_M = transformListToTransform(tlist).matrix;
         tlist.removeItem(0);
         var mInv = transformListToTransform(tlist).matrix.inverse();
         var M2 = matrixMultiply(mInv, T_M);
-
         tx = M2.e;
         ty = M2.f;
 
@@ -11316,15 +12161,17 @@
           // we pass the translates down to the individual children
           var _children = selected.childNodes;
           var _c = _children.length;
-
           var clipPathsDone = [];
+
           while (_c--) {
             var _child = _children.item(_c);
+
             if (_child.nodeType === 1) {
               // Check if child has clip-path
               if (_child.getAttribute('clip-path')) {
                 // tx, ty
                 var attr = _child.getAttribute('clip-path');
+
                 if (!clipPathsDone.includes(attr)) {
                   updateClipPath(attr, tx, ty);
                   clipPathsDone.push(attr);
@@ -11334,25 +12181,30 @@
               oldStartTransform = context_.getStartTransform();
               context_.setStartTransform(_child.getAttribute('transform'));
 
-              var _childTlist = getTransformList(_child);
-              // some children might not have a transform (<metadata>, <defs>, etc)
+              var _childTlist = getTransformList(_child); // some children might not have a transform (<metadata>, <defs>, etc)
+
+
               if (_childTlist) {
                 var newxlate = svgroot.createSVGTransform();
                 newxlate.setTranslate(tx, ty);
+
                 if (_childTlist.numberOfItems) {
                   _childTlist.insertItemBefore(newxlate, 0);
                 } else {
                   _childTlist.appendItem(newxlate);
                 }
-                batchCmd.addSubCommand(recalculateDimensions(_child));
-                // If any <use> have this group as a parent and are
+
+                batchCmd.addSubCommand(recalculateDimensions(_child)); // If any <use> have this group as a parent and are
                 // referencing this child, then impose a reverse translate on it
                 // so that when it won't get double-translated
+
                 var uses = selected.getElementsByTagNameNS(NS.SVG, 'use');
                 var href = '#' + _child.id;
                 var u = uses.length;
+
                 while (u--) {
                   var useElem = uses.item(u);
+
                   if (href === getHref(useElem)) {
                     var usexlate = svgroot.createSVGTransform();
                     usexlate.setTranslate(-tx, -ty);
@@ -11360,24 +12212,29 @@
                     batchCmd.addSubCommand(recalculateDimensions(useElem));
                   }
                 }
+
                 context_.setStartTransform(oldStartTransform);
               }
             }
           }
+
           context_.setStartTransform(oldStartTransform);
-        }
-        // else, a matrix imposition from a parent group
+        } // else, a matrix imposition from a parent group
         // keep pushing it down to the children
+
       } else if (N === 1 && tlist.getItem(0).type === 1 && !gangle) {
         operation = 1;
         var _m3 = tlist.getItem(0).matrix,
             _children2 = selected.childNodes;
         var _c2 = _children2.length;
+
         while (_c2--) {
           var _child2 = _children2.item(_c2);
+
           if (_child2.nodeType === 1) {
             oldStartTransform = context_.getStartTransform();
             context_.setStartTransform(_child2.getAttribute('transform'));
+
             var _childTlist2 = getTransformList(_child2);
 
             if (!_childTlist2) {
@@ -11387,40 +12244,46 @@
             var em = matrixMultiply(_m3, transformListToTransform(_childTlist2).matrix);
             var e2m = svgroot.createSVGTransform();
             e2m.setMatrix(em);
+
             _childTlist2.clear();
+
             _childTlist2.appendItem(e2m, 0);
 
             batchCmd.addSubCommand(recalculateDimensions(_child2));
-            context_.setStartTransform(oldStartTransform);
-
-            // Convert stroke
+            context_.setStartTransform(oldStartTransform); // Convert stroke
             // TODO: Find out if this should actually happen somewhere else
+
             var sw = _child2.getAttribute('stroke-width');
+
             if (_child2.getAttribute('stroke') !== 'none' && !isNaN(sw)) {
               var avg = (Math.abs(em.a) + Math.abs(em.d)) / 2;
+
               _child2.setAttribute('stroke-width', sw * avg);
             }
           }
         }
-        tlist.clear();
-        // else it was just a rotate
+
+        tlist.clear(); // else it was just a rotate
       } else {
         if (gangle) {
           var newRot = svgroot.createSVGTransform();
           newRot.setRotate(gangle, newcenter.x, newcenter.y);
+
           if (tlist.numberOfItems) {
             tlist.insertItemBefore(newRot, 0);
           } else {
             tlist.appendItem(newRot);
           }
         }
+
         if (tlist.numberOfItems === 0) {
           selected.removeAttribute('transform');
         }
-        return null;
-      }
 
-      // if it was a translate, put back the rotate at the new center
+        return null;
+      } // if it was a translate, put back the rotate at the new center
+
+
       if (operation === 2) {
         if (gangle) {
           newcenter = {
@@ -11429,14 +12292,16 @@
           };
 
           var _newRot = svgroot.createSVGTransform();
+
           _newRot.setRotate(gangle, newcenter.x, newcenter.y);
+
           if (tlist.numberOfItems) {
             tlist.insertItemBefore(_newRot, 0);
           } else {
             tlist.appendItem(_newRot);
           }
-        }
-        // if it was a resize
+        } // if it was a resize
+
       } else if (operation === 3) {
         var _m4 = transformListToTransform(tlist).matrix;
         var roldt = svgroot.createSVGTransform();
@@ -11444,6 +12309,7 @@
         var rold = roldt.matrix;
         var rnew = svgroot.createSVGTransform();
         rnew.setRotate(gangle, newcenter.x, newcenter.y);
+
         var rnewInv = rnew.matrix.inverse(),
             _mInv = _m4.inverse(),
             extrat = matrixMultiply(_mInv, rnewInv, rold, _m4);
@@ -11456,14 +12322,20 @@
           // we pass the translates down to the individual children
           var _children3 = selected.childNodes;
           var _c3 = _children3.length;
+
           while (_c3--) {
             var _child3 = _children3.item(_c3);
+
             if (_child3.nodeType === 1) {
               oldStartTransform = context_.getStartTransform();
               context_.setStartTransform(_child3.getAttribute('transform'));
+
               var _childTlist3 = getTransformList(_child3);
+
               var _newxlate = svgroot.createSVGTransform();
+
               _newxlate.setTranslate(tx, ty);
+
               if (_childTlist3.numberOfItems) {
                 _childTlist3.insertItemBefore(_newxlate, 0);
               } else {
@@ -11483,33 +12355,39 @@
             tlist.appendItem(rnew);
           }
         }
-      }
-      // else, it's a non-group
+      } // else, it's a non-group
+
     } else {
       // FIXME: box might be null for some elements (<metadata> etc), need to handle this
-      var _box = getBBox(selected);
-
-      // Paths (and possbly other shapes) will have no BBox while still in <defs>,
+      var _box = getBBox(selected); // Paths (and possbly other shapes) will have no BBox while still in <defs>,
       // but we still may need to recalculate them (see issue 595).
       // TODO: Figure out how to get BBox from these elements in case they
       // have a rotation transform
 
+
       if (!_box && selected.tagName !== 'path') return null;
 
-      var _m5 = void 0; // = svgroot.createSVGMatrix();
+      var _m5; // = svgroot.createSVGMatrix();
       // temporarily strip off the rotate and save the old center
+
+
       var _angle = getRotationAngle(selected);
+
       if (_angle) {
-        oldcenter = { x: _box.x + _box.width / 2, y: _box.y + _box.height / 2 };
+        oldcenter = {
+          x: _box.x + _box.width / 2,
+          y: _box.y + _box.height / 2
+        };
         newcenter = transformPoint(_box.x + _box.width / 2, _box.y + _box.height / 2, transformListToTransform(tlist).matrix);
 
         var _a = _angle * Math.PI / 180;
-        var _s = Math.abs(_a) > 1.0e-10 ? Math.sin(_a) / (1 - Math.cos(_a))
-        // FIXME: This blows up if the angle is exactly 0!
+
+        var _s = Math.abs(_a) > 1.0e-10 ? Math.sin(_a) / (1 - Math.cos(_a)) // FIXME: This blows up if the angle is exactly 0!
         : 2 / _a;
 
         for (var _i2 = 0; _i2 < tlist.numberOfItems; ++_i2) {
           var _xform3 = tlist.getItem(_i2);
+
           if (_xform3.type === 4) {
             // extract old center through mystical arts
             var _rm = _xform3.matrix;
@@ -11519,22 +12397,23 @@
             break;
           }
         }
-      }
+      } // 2 = translate, 3 = scale, 4 = rotate, 1 = matrix imposition
+
 
-      // 2 = translate, 3 = scale, 4 = rotate, 1 = matrix imposition
       var _operation = 0;
-      var _N = tlist.numberOfItems;
-
-      // Check if it has a gradient with userSpaceOnUse, in which case
+      var _N = tlist.numberOfItems; // Check if it has a gradient with userSpaceOnUse, in which case
       // adjust it by recalculating the matrix transform.
       // TODO: Make this work in Webkit using transformlist.SVGTransformList
+
       if (!isWebkit()) {
         var fill = selected.getAttribute('fill');
+
         if (fill && fill.startsWith('url(')) {
           var paint = getRefElem(fill);
           var type = 'pattern';
           if (paint.tagName !== type) type = 'gradient';
           var attrVal = paint.getAttribute(type + 'Units');
+
           if (attrVal === 'userSpaceOnUse') {
             // Update the userSpaceOnUse element
             _m5 = transformListToTransform(tlist).matrix;
@@ -11545,79 +12424,94 @@
             paint.setAttribute(type + 'Transform', mStr);
           }
         }
-      }
-
-      // first, if it was a scale of a non-skewed element, then the second-last
+      } // first, if it was a scale of a non-skewed element, then the second-last
       // transform will be the [S]
       // if we had [M][T][S][T] we want to extract the matrix equivalent of
       // [T][S][T] and push it down to the element
+
+
       if (_N >= 3 && tlist.getItem(_N - 2).type === 3 && tlist.getItem(_N - 3).type === 2 && tlist.getItem(_N - 1).type === 2) {
         // Removed this so a <use> with a given [T][S][T] would convert to a matrix.
         // Is that bad?
         //  && selected.nodeName != 'use'
         _operation = 3; // scale
+
         _m5 = transformListToTransform(tlist, _N - 3, _N - 1).matrix;
         tlist.removeItem(_N - 1);
         tlist.removeItem(_N - 2);
-        tlist.removeItem(_N - 3);
-        // if we had [T][S][-T][M], then this was a skewed element being resized
+        tlist.removeItem(_N - 3); // if we had [T][S][-T][M], then this was a skewed element being resized
         // Thus, we simply combine it all into one matrix
       } else if (_N === 4 && tlist.getItem(_N - 1).type === 1) {
         _operation = 3; // scale
+
         _m5 = transformListToTransform(tlist).matrix;
+
         var _e2t2 = svgroot.createSVGTransform();
+
         _e2t2.setMatrix(_m5);
+
         tlist.clear();
-        tlist.appendItem(_e2t2);
-        // reset the matrix so that the element is not re-mapped
-        _m5 = svgroot.createSVGMatrix();
-        // if we had [R][T][S][-T][M], then this was a rotated matrix-element
+        tlist.appendItem(_e2t2); // reset the matrix so that the element is not re-mapped
+
+        _m5 = svgroot.createSVGMatrix(); // if we had [R][T][S][-T][M], then this was a rotated matrix-element
         // if we had [T1][M] we want to transform this into [M][T2]
         // therefore [ T2 ] = [ M_inv ] [ T1 ] [ M ] and we can push [T2]
         // down to the element
       } else if ((_N === 1 || _N > 1 && tlist.getItem(1).type !== 3) && tlist.getItem(0).type === 2) {
         _operation = 2; // translate
+
         var oldxlate = tlist.getItem(0).matrix,
             meq = transformListToTransform(tlist, 1).matrix,
             meqInv = meq.inverse();
         _m5 = matrixMultiply(meqInv, oldxlate, meq);
-        tlist.removeItem(0);
-        // else if this child now has a matrix imposition (from a parent group)
+        tlist.removeItem(0); // else if this child now has a matrix imposition (from a parent group)
         // we might be able to simplify
       } else if (_N === 1 && tlist.getItem(0).type === 1 && !_angle) {
         // Remap all point-based elements
         _m5 = transformListToTransform(tlist).matrix;
+
         switch (selected.tagName) {
           case 'line':
             changes = $$7(selected).attr(['x1', 'y1', 'x2', 'y2']);
           // Fallthrough
+
           case 'polyline':
           case 'polygon':
             changes.points = selected.getAttribute('points');
+
             if (changes.points) {
               var _list = selected.points;
               var _len = _list.numberOfItems;
               changes.points = new Array(_len);
+
               for (var _i3 = 0; _i3 < _len; ++_i3) {
                 var _pt = _list.getItem(_i3);
-                changes.points[_i3] = { x: _pt.x, y: _pt.y };
+
+                changes.points[_i3] = {
+                  x: _pt.x,
+                  y: _pt.y
+                };
               }
             }
+
           // Fallthrough
+
           case 'path':
             changes.d = selected.getAttribute('d');
             _operation = 1;
             tlist.clear();
             break;
+
           default:
             break;
-        }
-        // if it was a rotation, put the rotate back and return without a command
+        } // if it was a rotation, put the rotate back and return without a command
         // (this function has zero work to do for a rotate())
+
       } else {
         // operation = 4; // rotation
         if (_angle) {
           var _newRot2 = svgroot.createSVGTransform();
+
           _newRot2.setRotate(_angle, newcenter.x, newcenter.y);
 
           if (tlist.numberOfItems) {
@@ -11626,18 +12520,21 @@
             tlist.appendItem(_newRot2);
           }
         }
+
         if (tlist.numberOfItems === 0) {
           selected.removeAttribute('transform');
         }
-        return null;
-      }
 
-      // if it was a translate or resize, we need to remap the element and absorb the xform
+        return null;
+      } // if it was a translate or resize, we need to remap the element and absorb the xform
+
+
       if (_operation === 1 || _operation === 2 || _operation === 3) {
         remapElement(selected, changes, _m5);
       } // if we are remapping
-
       // if it was a translate, put back the rotate at the new center
+
+
       if (_operation === 2) {
         if (_angle) {
           if (!hasMatrixTransform(tlist)) {
@@ -11646,22 +12543,28 @@
               y: oldcenter.y + _m5.f
             };
           }
+
           var _newRot3 = svgroot.createSVGTransform();
+
           _newRot3.setRotate(_angle, newcenter.x, newcenter.y);
+
           if (tlist.numberOfItems) {
             tlist.insertItemBefore(_newRot3, 0);
           } else {
             tlist.appendItem(_newRot3);
           }
-        }
-        // We have special processing for tspans:  Tspans are not transformable
+        } // We have special processing for tspans:  Tspans are not transformable
         // but they can have x,y coordinates (sigh).  Thus, if this was a translate,
         // on a text element, also translate any tspan children.
+
+
         if (selected.tagName === 'text') {
           var _children4 = selected.childNodes;
           var _c4 = _children4.length;
+
           while (_c4--) {
             var _child4 = _children4.item(_c4);
+
             if (_child4.tagName === 'tspan') {
               var tspanChanges = {
                 x: $$7(_child4).attr('x') || 0,
@@ -11670,23 +12573,32 @@
               remapElement(_child4, tspanChanges, _m5);
             }
           }
-        }
-        // [Rold][M][T][S][-T] became [Rold][M]
+        } // [Rold][M][T][S][-T] became [Rold][M]
         // we want it to be [Rnew][M][Tr] where Tr is the
         // translation required to re-center it
         // Therefore, [Tr] = [M_inv][Rnew_inv][Rold][M]
+
       } else if (_operation === 3 && _angle) {
         var _m6 = transformListToTransform(tlist).matrix;
+
         var _roldt = svgroot.createSVGTransform();
+
         _roldt.setRotate(_angle, oldcenter.x, oldcenter.y);
+
         var _rold = _roldt.matrix;
+
         var _rnew = svgroot.createSVGTransform();
+
         _rnew.setRotate(_angle, newcenter.x, newcenter.y);
+
         var _rnewInv = _rnew.matrix.inverse();
+
         var _mInv2 = _m6.inverse();
+
         var _extrat = matrixMultiply(_mInv2, _rnewInv, _rold, _m6);
 
         remapElement(selected, changes, _extrat);
+
         if (_angle) {
           if (tlist.numberOfItems) {
             tlist.insertItemBefore(_rnew, 0);
@@ -11696,54 +12608,52 @@
         }
       }
     } // a non-group
-
     // if the transform list has been emptied, remove it
+
+
     if (tlist.numberOfItems === 0) {
       selected.removeAttribute('transform');
     }
 
     batchCmd.addSubCommand(new ChangeElementCommand(selected, initial));
-
     return batchCmd;
   };
 
-  /* globals jQuery */
-
   var $$8 = jQuery;
+  var svgFactory_;
+  var config_;
+  var selectorManager_; // A Singleton
 
-  var svgFactory_ = void 0;
-  var config_ = void 0;
-  var selectorManager_ = void 0; // A Singleton
   var gripRadius = isTouch() ? 10 : 4;
-
   /**
   * Private class for DOM element selection boxes
   */
-  var Selector = function () {
+
+  var Selector =
+  /*#__PURE__*/
+  function () {
     /**
     * @param {Integer} id - Internally identify the selector
     * @param {Element} elem - DOM element associated with this selector
     * @param {module:utilities.BBoxObject} [bbox] - Optional bbox to use for initialization (prevents duplicate `getBBox` call).
     */
     function Selector(id, elem, bbox) {
-      classCallCheck(this, Selector);
+      _classCallCheck(this, Selector);
 
       // this is the selector's unique number
-      this.id = id;
+      this.id = id; // this holds a reference to the element for which this selector is being used
 
-      // this holds a reference to the element for which this selector is being used
-      this.selectedElement = elem;
+      this.selectedElement = elem; // this is a flag used internally to track whether the selector is being used or not
 
-      // this is a flag used internally to track whether the selector is being used or not
-      this.locked = true;
+      this.locked = true; // this holds a reference to the <g> element that holds all visual elements of the selector
 
-      // this holds a reference to the <g> element that holds all visual elements of the selector
       this.selectorGroup = svgFactory_.createSVGElement({
         element: 'g',
-        attr: { id: 'selectorGroup' + this.id }
-      });
+        attr: {
+          id: 'selectorGroup' + this.id
+        }
+      }); // this holds a reference to the path rect
 
-      // this holds a reference to the path rect
       this.selectorRect = this.selectorGroup.appendChild(svgFactory_.createSVGElement({
         element: 'path',
         attr: {
@@ -11755,9 +12665,8 @@
           // need to specify this so that the rect is not selectable
           style: 'pointer-events:none'
         }
-      }));
+      })); // this holds a reference to the grip coordinates for this selector
 
-      // this holds a reference to the grip coordinates for this selector
       this.gripCoords = {
         nw: null,
         n: null,
@@ -11768,10 +12677,8 @@
         sw: null,
         w: null
       };
-
       this.reset(this.selectedElement, bbox);
     }
-
     /**
     * Used to reset the id and element that the selector is attached to
     * @param {Element} e - DOM element associated with this selector
@@ -11779,43 +12686,46 @@
     */
 
 
-    createClass(Selector, [{
-      key: 'reset',
+    _createClass(Selector, [{
+      key: "reset",
       value: function reset(e, bbox) {
         this.locked = true;
         this.selectedElement = e;
         this.resize(bbox);
         this.selectorGroup.setAttribute('display', 'inline');
       }
-
       /**
       * Updates cursors for corner grips on rotation so arrows point the right way
       * @param {Float} angle - Current rotation angle in degrees
       */
 
     }, {
-      key: 'updateGripCursors',
+      key: "updateGripCursors",
       value: function updateGripCursors(angle) {
-        var dir = void 0;
+        var dir;
         var dirArr = [];
         var steps = Math.round(angle / 45);
+
         if (steps < 0) {
           steps += 8;
         }
+
         for (dir in selectorManager_.selectorGrips) {
           dirArr.push(dir);
         }
+
         while (steps > 0) {
           dirArr.push(dirArr.shift());
           steps--;
         }
+
         var i = 0;
+
         for (dir in selectorManager_.selectorGrips) {
           selectorManager_.selectorGrips[dir].setAttribute('style', 'cursor:' + dirArr[i] + '-resize');
           i++;
         }
       }
-
       /**
       * Show the resize grips of this selector
       *
@@ -11823,25 +12733,25 @@
       */
 
     }, {
-      key: 'showGrips',
+      key: "showGrips",
       value: function showGrips(show) {
         var bShow = show ? 'inline' : 'none';
         selectorManager_.selectorGripsGroup.setAttribute('display', bShow);
         var elem = this.selectedElement;
         this.hasGrips = show;
+
         if (elem && show) {
           this.selectorGroup.append(selectorManager_.selectorGripsGroup);
           this.updateGripCursors(getRotationAngle(elem));
         }
       }
-
       /**
       * Updates the selector to match the element's size
       * @param {module:utilities.BBoxObject} [bbox] - BBox to use for resize (prevents duplicate getBBox call).
       */
 
     }, {
-      key: 'resize',
+      key: "resize",
       value: function resize(bbox) {
         var selectedBox = this.selectorRect,
             mgr = selectorManager_,
@@ -11850,6 +12760,7 @@
             sw = selected.getAttribute('stroke-width'),
             currentZoom = svgFactory_.getCurrentZoom();
         var offset = 1 / currentZoom;
+
         if (selected.getAttribute('stroke') !== 'none' && !isNaN(sw)) {
           offset += sw / 2;
         }
@@ -11858,57 +12769,53 @@
 
         if (tagName === 'text') {
           offset += 2 / currentZoom;
-        }
+        } // loop and transform our bounding box until we reach our first rotation
+
 
-        // loop and transform our bounding box until we reach our first rotation
         var tlist = getTransformList(selected);
-        var m = transformListToTransform(tlist).matrix;
-
-        // This should probably be handled somewhere else, but for now
+        var m = transformListToTransform(tlist).matrix; // This should probably be handled somewhere else, but for now
         // it keeps the selection box correctly positioned when zoomed
+
         m.e *= currentZoom;
         m.f *= currentZoom;
 
         if (!bbox) {
           bbox = getBBox(selected);
-        }
-        // TODO: getBBox (previous line) already knows to call getStrokedBBox when tagName === 'g'. Remove this?
+        } // TODO: getBBox (previous line) already knows to call getStrokedBBox when tagName === 'g'. Remove this?
         // TODO: getBBox doesn't exclude 'gsvg' and calls getStrokedBBox for any 'g'. Should getBBox be updated?
+
+
         if (tagName === 'g' && !$$8.data(selected, 'gsvg')) {
           // The bbox for a group does not include stroke vals, so we
           // get the bbox based on its children.
           var strokedBbox = getStrokedBBox([selected.childNodes]);
+
           if (strokedBbox) {
             bbox = strokedBbox;
           }
-        }
+        } // apply the transforms
+
 
-        // apply the transforms
         var l = bbox.x,
             t = bbox.y,
             w = bbox.width,
-            h = bbox.height;
-        // bbox = {x: l, y: t, width: w, height: h}; // Not in use
-
+            h = bbox.height; // bbox = {x: l, y: t, width: w, height: h}; // Not in use
         // we need to handle temporary transforms too
         // if skewed, get its transformed box, then find its axis-aligned bbox
-
         // *
-        offset *= currentZoom;
 
+        offset *= currentZoom;
         var nbox = transformBox(l * currentZoom, t * currentZoom, w * currentZoom, h * currentZoom, m),
             aabox = nbox.aabox;
-
         var nbax = aabox.x - offset,
             nbay = aabox.y - offset,
             nbaw = aabox.width + offset * 2,
-            nbah = aabox.height + offset * 2;
+            nbah = aabox.height + offset * 2; // now if the shape is rotated, un-rotate it
 
-        // now if the shape is rotated, un-rotate it
         var cx = nbax + nbaw / 2,
             cy = nbay + nbah / 2;
-
         var angle = getRotationAngle(selected);
+
         if (angle) {
           var rot = svgFactory_.svgRoot().createSVGTransform();
           rot.setRotate(-angle, cx, cy);
@@ -11916,25 +12823,19 @@
           nbox.tl = transformPoint(nbox.tl.x, nbox.tl.y, rotm);
           nbox.tr = transformPoint(nbox.tr.x, nbox.tr.y, rotm);
           nbox.bl = transformPoint(nbox.bl.x, nbox.bl.y, rotm);
-          nbox.br = transformPoint(nbox.br.x, nbox.br.y, rotm);
+          nbox.br = transformPoint(nbox.br.x, nbox.br.y, rotm); // calculate the axis-aligned bbox
 
-          // calculate the axis-aligned bbox
           var tl = nbox.tl;
-
           var minx = tl.x,
               miny = tl.y,
               maxx = tl.x,
               maxy = tl.y;
-
           var min = Math.min,
               max = Math.max;
-
-
           minx = min(minx, min(nbox.tr.x, min(nbox.bl.x, nbox.br.x))) - offset;
           miny = min(miny, min(nbox.tr.y, min(nbox.bl.y, nbox.br.y))) - offset;
           maxx = max(maxx, max(nbox.tr.x, max(nbox.bl.x, nbox.br.x))) + offset;
           maxy = max(maxy, max(nbox.tr.y, max(nbox.bl.y, nbox.br.y))) + offset;
-
           nbax = minx;
           nbay = miny;
           nbaw = maxx - minx;
@@ -11943,12 +12844,10 @@
 
         var dstr = 'M' + nbax + ',' + nbay + ' L' + (nbax + nbaw) + ',' + nbay + ' ' + (nbax + nbaw) + ',' + (nbay + nbah) + ' ' + nbax + ',' + (nbay + nbah) + 'z';
         selectedBox.setAttribute('d', dstr);
-
         var xform = angle ? 'rotate(' + [angle, cx, cy].join(',') + ')' : '';
-        this.selectorGroup.setAttribute('transform', xform);
-
-        // TODO(codedread): Is this needed?
+        this.selectorGroup.setAttribute('transform', xform); // TODO(codedread): Is this needed?
         //  if (selected === selectedElements[0]) {
+
         this.gripCoords = {
           nw: [nbax, nbay],
           ne: [nbax + nbaw, nbay],
@@ -11959,46 +12858,44 @@
           e: [nbax + nbaw, nbay + nbah / 2],
           s: [nbax + nbaw / 2, nbay + nbah]
         };
+
         for (var dir in this.gripCoords) {
           var coords = this.gripCoords[dir];
           selectedGrips[dir].setAttribute('cx', coords[0]);
           selectedGrips[dir].setAttribute('cy', coords[1]);
-        }
+        } // we want to go 20 pixels in the negative transformed y direction, ignoring scale
+
 
-        // we want to go 20 pixels in the negative transformed y direction, ignoring scale
         mgr.rotateGripConnector.setAttribute('x1', nbax + nbaw / 2);
         mgr.rotateGripConnector.setAttribute('y1', nbay);
         mgr.rotateGripConnector.setAttribute('x2', nbax + nbaw / 2);
         mgr.rotateGripConnector.setAttribute('y2', nbay - gripRadius * 5);
-
         mgr.rotateGrip.setAttribute('cx', nbax + nbaw / 2);
-        mgr.rotateGrip.setAttribute('cy', nbay - gripRadius * 5);
-        // }
+        mgr.rotateGrip.setAttribute('cy', nbay - gripRadius * 5); // }
       }
     }]);
+
     return Selector;
   }();
-
   /**
   * Manage all selector objects (selection boxes)
   */
-  var SelectorManager = function () {
+
+  var SelectorManager =
+  /*#__PURE__*/
+  function () {
     function SelectorManager() {
-      classCallCheck(this, SelectorManager);
+      _classCallCheck(this, SelectorManager);
 
       // this will hold the <g> element that contains all selector rects/grips
-      this.selectorParentGroup = null;
+      this.selectorParentGroup = null; // this is a special rect that is used for multi-select
 
-      // this is a special rect that is used for multi-select
-      this.rubberBandBox = null;
+      this.rubberBandBox = null; // this will hold objects of type Selector (see above)
 
-      // this will hold objects of type Selector (see above)
-      this.selectors = [];
+      this.selectors = []; // this holds a map of SVG elements to their Selector object
 
-      // this holds a map of SVG elements to their Selector object
-      this.selectorMap = {};
+      this.selectorMap = {}; // this holds a reference to the grip elements
 
-      // this holds a reference to the grip elements
       this.selectorGrips = {
         nw: null,
         n: null,
@@ -12009,44 +12906,43 @@
         sw: null,
         w: null
       };
-
       this.selectorGripsGroup = null;
       this.rotateGripConnector = null;
       this.rotateGrip = null;
-
       this.initGroup();
     }
-
     /**
     * Resets the parent selector group element
     */
 
 
-    createClass(SelectorManager, [{
-      key: 'initGroup',
+    _createClass(SelectorManager, [{
+      key: "initGroup",
       value: function initGroup() {
         // remove old selector parent group if it existed
         if (this.selectorParentGroup && this.selectorParentGroup.parentNode) {
           this.selectorParentGroup.remove();
-        }
+        } // create parent selector group and add it to svgroot
+
 
-        // create parent selector group and add it to svgroot
         this.selectorParentGroup = svgFactory_.createSVGElement({
           element: 'g',
-          attr: { id: 'selectorParentGroup' }
+          attr: {
+            id: 'selectorParentGroup'
+          }
         });
         this.selectorGripsGroup = svgFactory_.createSVGElement({
           element: 'g',
-          attr: { display: 'none' }
+          attr: {
+            display: 'none'
+          }
         });
         this.selectorParentGroup.append(this.selectorGripsGroup);
         svgFactory_.svgRoot().append(this.selectorParentGroup);
-
         this.selectorMap = {};
         this.selectors = [];
-        this.rubberBandBox = null;
+        this.rubberBandBox = null; // add the corner grips
 
-        // add the corner grips
         for (var dir in this.selectorGrips) {
           var grip = svgFactory_.createSVGElement({
             element: 'circle',
@@ -12063,13 +12959,12 @@
               'pointer-events': 'all'
             }
           });
-
           $$8.data(grip, 'dir', dir);
           $$8.data(grip, 'type', 'resize');
           this.selectorGrips[dir] = this.selectorGripsGroup.appendChild(grip);
-        }
+        } // add rotator elems
+
 
-        // add rotator elems
         this.rotateGripConnector = this.selectorGripsGroup.appendChild(svgFactory_.createSVGElement({
           element: 'line',
           attr: {
@@ -12078,7 +12973,6 @@
             'stroke-width': '1'
           }
         }));
-
         this.rotateGrip = this.selectorGripsGroup.appendChild(svgFactory_.createSVGElement({
           element: 'circle',
           attr: {
@@ -12096,7 +12990,7 @@
           return;
         }
 
-        var _config_$dimensions = slicedToArray(config_.dimensions, 2),
+        var _config_$dimensions = _slicedToArray(config_.dimensions, 2),
             width = _config_$dimensions[0],
             height = _config_$dimensions[1];
 
@@ -12108,11 +13002,11 @@
             height: height,
             x: 0,
             y: 0,
-            overflow: isWebkit() ? 'none' : 'visible', // Chrome 7 has a problem with this when zooming out
+            overflow: isWebkit() ? 'none' : 'visible',
+            // Chrome 7 has a problem with this when zooming out
             style: 'pointer-events:none'
           }
         });
-
         var rect = svgFactory_.createSVGElement({
           element: 'rect',
           attr: {
@@ -12125,16 +13019,13 @@
             fill: '#FFF',
             style: 'pointer-events:none'
           }
-        });
-
-        // Both Firefox and WebKit are too slow with this filter region (especially at higher
+        }); // Both Firefox and WebKit are too slow with this filter region (especially at higher
         // zoom levels) and Opera has at least one bug
         // if (!isOpera()) rect.setAttribute('filter', 'url(#canvashadow)');
-        canvasbg.append(rect);
-        svgFactory_.svgRoot().insertBefore(canvasbg, svgFactory_.svgContent());
-        // Ok to replace above with `svgFactory_.svgContent().before(canvasbg);`?
-      }
 
+        canvasbg.append(rect);
+        svgFactory_.svgRoot().insertBefore(canvasbg, svgFactory_.svgContent()); // Ok to replace above with `svgFactory_.svgContent().before(canvasbg);`?
+      }
       /**
       *
       * @param {Element} elem - DOM element to get the selector for
@@ -12143,18 +13034,19 @@
       */
 
     }, {
-      key: 'requestSelector',
+      key: "requestSelector",
       value: function requestSelector(elem, bbox) {
         if (elem == null) {
           return null;
         }
 
-        var N = this.selectors.length;
-        // If we've already acquired one for this element, return it.
+        var N = this.selectors.length; // If we've already acquired one for this element, return it.
+
         if (_typeof(this.selectorMap[elem.id]) === 'object') {
           this.selectorMap[elem.id].locked = true;
           return this.selectorMap[elem.id];
         }
+
         for (var i = 0; i < N; ++i) {
           if (this.selectors[i] && !this.selectors[i].locked) {
             this.selectors[i].locked = true;
@@ -12162,14 +13054,14 @@
             this.selectorMap[elem.id] = this.selectors[i];
             return this.selectors[i];
           }
-        }
-        // if we reached here, no available selectors were found, we create one
+        } // if we reached here, no available selectors were found, we create one
+
+
         this.selectors[N] = new Selector(N, elem, bbox);
         this.selectorParentGroup.append(this.selectors[N].selectorGroup);
         this.selectorMap[elem.id] = this.selectors[N];
         return this.selectors[N];
       }
-
       /**
       * Removes the selector of the given element (hides selection box)
       *
@@ -12177,25 +13069,27 @@
       */
 
     }, {
-      key: 'releaseSelector',
+      key: "releaseSelector",
       value: function releaseSelector(elem) {
         if (elem == null) {
           return;
         }
+
         var N = this.selectors.length,
             sel = this.selectorMap[elem.id];
+
         if (!sel.locked) {
           // TODO(codedread): Ensure this exists in this module.
           console.log('WARNING! selector was released but was already unlocked');
         }
+
         for (var i = 0; i < N; ++i) {
           if (this.selectors[i] && this.selectors[i] === sel) {
             delete this.selectorMap[elem.id];
             sel.locked = false;
             sel.selectedElement = null;
-            sel.showGrips(false);
+            sel.showGrips(false); // remove from DOM and store reference in JS but only if it exists in the DOM
 
-            // remove from DOM and store reference in JS but only if it exists in the DOM
             try {
               sel.selectorGroup.setAttribute('display', 'none');
             } catch (e) {}
@@ -12204,14 +13098,13 @@
           }
         }
       }
-
       /**
       * @returns {SVGRectElement} The rubberBandBox DOM element. This is the rectangle drawn by
       * the user for selecting/zooming
       */
 
     }, {
-      key: 'getRubberBandBox',
+      key: "getRubberBandBox",
       value: function getRubberBandBox() {
         if (!this.rubberBandBox) {
           this.rubberBandBox = this.selectorParentGroup.appendChild(svgFactory_.createSVGElement({
@@ -12227,30 +13120,35 @@
             }
           }));
         }
+
         return this.rubberBandBox;
       }
     }]);
+
     return SelectorManager;
   }();
-
   /**
    * An object that creates SVG elements for the canvas.
    *
    * @interface module:select.SVGFactory
    */
+
   /**
    * @function module:select.SVGFactory#createSVGElement
    * @param {module:utilities.EditorContext#addSVGElementFromJson} jsonMap
    * @returns {SVGElement}
    */
+
   /**
    * @function module:select.SVGFactory#svgRoot
    * @returns {SVGSVGElement}
    */
+
   /**
    * @function module:select.SVGFactory#svgContent
    * @returns {SVGSVGElement}
    */
+
   /**
    * @function module:select.SVGFactory#getCurrentZoom
    * @returns {Float}
@@ -12262,6 +13160,7 @@
    * @property {Float} 0 Width
    * @property {Float} 1 Height
    */
+
   /**
    * @typedef {PlainObject} module:select.Config
    * @property {string} imgPath
@@ -12275,22 +13174,21 @@
    * @param {module:select.SVGFactory} svgFactory - An object implementing the SVGFactory interface.
    * @returns {undefined}
    */
+
   var init$6 = function init(config, svgFactory) {
     config_ = config;
     svgFactory_ = svgFactory;
     selectorManager_ = new SelectorManager();
   };
-
   /**
    * @function module:select.getSelectorManager
    * @returns {module:select.SelectorManager} The SelectorManager instance.
    */
+
   var getSelectorManager = function getSelectorManager() {
     return selectorManager_;
   };
 
-  /* eslint-disable indent */
-
   var $$9 = jqPluginSVG(jQuery);
   var MoveElementCommand$1 = MoveElementCommand,
       InsertElementCommand$1 = InsertElementCommand,
@@ -12300,10 +13198,11 @@
       UndoManager$1 = UndoManager,
       HistoryEventTypes$1 = HistoryEventTypes;
 
-
   if (!window.console) {
     window.console = {};
+
     window.console.log = function (str) {};
+
     window.console.dir = function (str) {};
   }
 
@@ -12311,9 +13210,9 @@
     window.console.log = function (str) {
       window.opera.postError(str);
     };
+
     window.console.dir = function (str) {};
   }
-
   /**
   * The main SvgCanvas class that manages all SVG-related functions
   * @memberof module:svgcanvas
@@ -12343,62 +13242,57 @@
   * @borrows module:path.pathActions.linkControlPoints as #linkControlPoints
   */
 
+
   var SvgCanvas =
   /**
   * @param {HTMLElement} container - The container HTML element that should hold the SVG root element
   * @param {module:SVGEditor.curConfig} config - An object that contains configuration data
   */
   function SvgCanvas(container, config) {
-    classCallCheck(this, SvgCanvas);
+    _classCallCheck(this, SvgCanvas);
 
     // Alias Namespace constants
-
     // Default configuration options
     var curConfig = {
       show_outside_canvas: true,
       selectNew: true,
       dimensions: [640, 480]
-    };
+    }; // Update config with new one if given
 
-    // Update config with new one if given
     if (config) {
       $$9.extend(curConfig, config);
-    }
+    } // Array with width/height of canvas
+
 
-    // Array with width/height of canvas
     var dimensions = curConfig.dimensions;
-
-
-    var canvas = this;
-
-    // "document" element associated with the container (same as window.document using default svg-editor.js)
+    var canvas = this; // "document" element associated with the container (same as window.document using default svg-editor.js)
     // NOTE: This is not actually a SVG document, but an HTML document.
-    var svgdoc = container.ownerDocument;
 
-    // This is a container for the document being edited, not the document itself.
+    var svgdoc = container.ownerDocument; // This is a container for the document being edited, not the document itself.
+
     /**
      * @name module:svgcanvas~svgroot
      * @type {SVGSVGElement}
      */
+
     var svgroot = svgdoc.importNode(text2xml('<svg id="svgroot" xmlns="' + NS.SVG + '" xlinkns="' + NS.XLINK + '" ' + 'width="' + dimensions[0] + '" height="' + dimensions[1] + '" x="' + dimensions[0] + '" y="' + dimensions[1] + '" overflow="visible">' + '<defs>' + '<filter id="canvashadow" filterUnits="objectBoundingBox">' + '<feGaussianBlur in="SourceAlpha" stdDeviation="4" result="blur"/>' + '<feOffset in="blur" dx="5" dy="5" result="offsetBlur"/>' + '<feMerge>' + '<feMergeNode in="offsetBlur"/>' + '<feMergeNode in="SourceGraphic"/>' + '</feMerge>' + '</filter>' + '</defs>' + '</svg>').documentElement, true);
     container.append(svgroot);
-
     /**
      * The actual element that represents the final output SVG element
      * @name module:svgcanvas~svgcontent
      * @type {SVGSVGElement}
      */
-    var svgcontent = svgdoc.createElementNS(NS.SVG, 'svg');
 
+    var svgcontent = svgdoc.createElementNS(NS.SVG, 'svg');
     /**
     * This function resets the svgcontent element while keeping it in the DOM.
     * @function module:svgcanvas.SvgCanvas#clearSvgContentElement
     * @returns {undefined}
     */
-    var clearSvgContentElement = canvas.clearSvgContentElement = function () {
-      $$9(svgcontent).empty();
 
-      // TODO: Clear out all other attributes first?
+    var clearSvgContentElement = canvas.clearSvgContentElement = function () {
+      $$9(svgcontent).empty(); // TODO: Clear out all other attributes first?
+
       $$9(svgcontent).attr({
         id: 'svgcontent',
         width: dimensions[0],
@@ -12409,53 +13303,52 @@
         xmlns: NS.SVG,
         'xmlns:se': NS.SE,
         'xmlns:xlink': NS.XLINK
-      }).appendTo(svgroot);
+      }).appendTo(svgroot); // TODO: make this string optional and set by the client
 
-      // TODO: make this string optional and set by the client
       var comment = svgdoc.createComment(' Created with SVG-edit - https://github.com/SVG-Edit/svgedit');
       svgcontent.append(comment);
     };
-    clearSvgContentElement();
 
-    // Prefix string for element IDs
+    clearSvgContentElement(); // Prefix string for element IDs
+
     var idprefix = 'svg_';
-
     /**
     * Changes the ID prefix to the given value
     * @function module:svgcanvas.SvgCanvas#setIdPrefix
     * @param {string} p - String with the new prefix
     * @returns {undefined}
     */
+
     canvas.setIdPrefix = function (p) {
       idprefix = p;
     };
-
     /**
     * Current draw.Drawing object
     * @type {module:draw.Drawing}
     * @name module:svgcanvas.SvgCanvas#current_drawing_
     */
-    canvas.current_drawing_ = new Drawing(svgcontent, idprefix);
 
+
+    canvas.current_drawing_ = new Drawing(svgcontent, idprefix);
     /**
     * Returns the current Drawing.
     * @function module:svgcanvas.SvgCanvas#getCurrentDrawing
     * @implements {module:draw.DrawCanvasInit#getCurrentDrawing}
     */
+
     var getCurrentDrawing = canvas.getCurrentDrawing = function () {
       return canvas.current_drawing_;
     };
-
     /**
     * Float displaying the current zoom level (1 = 100%, .5 = 50%, etc)
     * @type {Float}
     */
-    var currentZoom = 1;
 
-    // pointer to current group (for in-group editing)
-    var currentGroup = null;
 
-    // Object containing data for the currently selected styles
+    var currentZoom = 1; // pointer to current group (for in-group editing)
+
+    var currentGroup = null; // Object containing data for the currently selected styles
+
     var allProperties = {
       shape: {
         fill: (curConfig.initFill.color === 'none' ? '' : '#') + curConfig.initFill.color,
@@ -12471,22 +13364,18 @@
         opacity: curConfig.initOpacity
       }
     };
-
     allProperties.text = $$9.extend(true, {}, allProperties.shape);
     $$9.extend(allProperties.text, {
       fill: '#000000',
       stroke_width: curConfig.text && curConfig.text.stroke_width,
       font_size: curConfig.text && curConfig.text.font_size,
       font_family: curConfig.text && curConfig.text.font_family
-    });
+    }); // Current shape style properties
 
-    // Current shape style properties
-    var curShape = allProperties.shape;
-
-    // Array with all the currently selected elements
+    var curShape = allProperties.shape; // Array with all the currently selected elements
     // default size of 1 until it needs to grow bigger
-    var selectedElements = [];
 
+    var selectedElements = [];
     /**
     * @typedef {PlainObject} module:svgcanvas.SVGAsJSON
     * @property {string} element
@@ -12499,52 +13388,55 @@
     * @param {Text|Element} data
     * @returns {module:svgcanvas.SVGAsJSON}
     */
+
     var getJsonFromSvgElement = this.getJsonFromSvgElement = function (data) {
       // Text node
       if (data.nodeType === 3) return data.nodeValue;
-
       var retval = {
         element: data.tagName,
         // namespace: nsMap[data.namespaceURI],
         attr: {},
         children: []
-      };
+      }; // Iterate attributes
 
-      // Iterate attributes
       for (var i = 0, attr; attr = data.attributes[i]; i++) {
         retval.attr[attr.name] = attr.value;
-      }
+      } // Iterate children
+
 
-      // Iterate children
       for (var _i = 0, node; node = data.childNodes[_i]; _i++) {
         retval.children[_i] = getJsonFromSvgElement(node);
       }
 
       return retval;
     };
-
     /**
     * This should really be an intersection implementing all rather than a union
     * @function module:svgcanvas.SvgCanvas#addSVGElementFromJson
     * @implements {module:utilities.EditorContext#addSVGElementFromJson|module:path.EditorContext#addSVGElementFromJson}
     */
+
+
     var addSVGElementFromJson = this.addSVGElementFromJson = function (data) {
       if (typeof data === 'string') return svgdoc.createTextNode(data);
+      var shape = getElem(data.attr.id); // if shape is a path but we need to create a rect/ellipse, then remove the path
 
-      var shape = getElem(data.attr.id);
-      // if shape is a path but we need to create a rect/ellipse, then remove the path
       var currentLayer = getCurrentDrawing().getCurrentLayer();
+
       if (shape && data.element !== shape.tagName) {
         shape.remove();
         shape = null;
       }
+
       if (!shape) {
         var ns = data.namespace || NS.SVG;
         shape = svgdoc.createElementNS(ns, data.element);
+
         if (currentLayer) {
           (currentGroup || currentLayer).append(shape);
         }
       }
+
       if (data.curStyles) {
         assignAttributes(shape, {
           fill: curShape.fill,
@@ -12559,10 +13451,10 @@
           style: 'pointer-events:inherit'
         }, 100);
       }
-      assignAttributes(shape, data.attr, 100);
-      cleanupElement(shape);
 
-      // Children
+      assignAttributes(shape, data.attr, 100);
+      cleanupElement(shape); // Children
+
       if (data.children) {
         data.children.forEach(function (child) {
           shape.append(addSVGElementFromJson(child));
@@ -12573,22 +13465,22 @@
     };
 
     canvas.getTransformList = getTransformList;
-
     canvas.matrixMultiply = matrixMultiply;
     canvas.hasMatrixTransform = hasMatrixTransform;
     canvas.transformListToTransform = transformListToTransform;
-
     /**
     * @implements {module:utilities.EditorContext#getBaseUnit}
     */
+
     var getBaseUnit = function getBaseUnit() {
       return curConfig.baseUnit;
     };
-
     /**
     * initialize from units.js.
     * Send in an object implementing the ElementContainer interface (see units.js)
     */
+
+
     init(
     /**
     * @implements {module:units.ElementContainer}
@@ -12606,32 +13498,32 @@
         return saveOptions.round_digits;
       }
     });
-
     canvas.convertToNum = convertToNum;
-
     /**
     * This should really be an intersection implementing all rather than a union
     * @implements {module:draw.DrawCanvasInit#getSVGContent|module:utilities.EditorContext#getSVGContent}
     */
+
     var getSVGContent = function getSVGContent() {
       return svgcontent;
     };
-
     /**
     * Should really be an intersection with all needing to apply rather than a union
     * @function module:svgcanvas.SvgCanvas#getSelectedElements
     * @implements {module:utilities.EditorContext#getSelectedElements|module:draw.DrawCanvasInit#getSelectedElements|module:path.EditorContext#getSelectedElements}
     */
+
+
     var getSelectedElements = this.getSelectedElems = function () {
       return selectedElements;
     };
 
     var pathActions$$1 = pathActions;
-
     /**
     * This should actually be an intersection as all interfaces should be met
     * @implements {module:utilities.EditorContext#getSVGRoot|module:recalculate.EditorContext#getSVGRoot|module:coords.EditorContext#getSVGRoot|module:path.EditorContext#getSVGRoot}
     */
+
     var getSVGRoot = function getSVGRoot() {
       return svgroot;
     };
@@ -12641,7 +13533,8 @@
     * @implements {module:utilities.EditorContext}
     */
     {
-      pathActions: pathActions$$1, // Ok since not modifying
+      pathActions: pathActions$$1,
+      // Ok since not modifying
       getSVGContent: getSVGContent,
       addSVGElementFromJson: addSVGElementFromJson,
       getSelectedElements: getSelectedElements,
@@ -12651,7 +13544,6 @@
       getDOMContainer: function getDOMContainer() {
         return container;
       },
-
       getSVGRoot: getSVGRoot,
       // TODO: replace this mostly with a way to get the current drawing.
       getBaseUnit: getBaseUnit,
@@ -12659,23 +13551,23 @@
         return curConfig.snappingStep;
       }
     });
-
     canvas.findDefs = findDefs;
     canvas.getUrlFromAttr = getUrlFromAttr;
     canvas.getHref = getHref;
     canvas.setHref = setHref;
-    /* const getBBox = */canvas.getBBox = getBBox;
+    /* const getBBox = */
+
+    canvas.getBBox = getBBox;
     canvas.getRotationAngle = getRotationAngle;
     canvas.getElem = getElem;
     canvas.getRefElem = getRefElem;
     canvas.assignAttributes = assignAttributes;
-
     this.cleanupElement = cleanupElement;
-
     /**
     * This should actually be an intersection not a union as all should apply
     * @implements {module:coords.EditorContext|module:path.EditorContext}
     */
+
     var getGridSnapping = function getGridSnapping() {
       return curConfig.gridSnapping;
     };
@@ -12688,12 +13580,10 @@
       getDrawing: function getDrawing() {
         return getCurrentDrawing();
       },
-
       getSVGRoot: getSVGRoot,
       getGridSnapping: getGridSnapping
     });
     this.remapElement = remapElement;
-
     init$5(
     /**
     * @implements {module:recalculate.EditorContext}
@@ -12707,17 +13597,16 @@
         startTransform = transform;
       }
     });
-    this.recalculateDimensions = recalculateDimensions;
+    this.recalculateDimensions = recalculateDimensions; // import from sanitize.js
 
-    // import from sanitize.js
     var nsMap = getReverseNS();
     canvas.sanitizeSvg = sanitizeSvg;
-
     /**
     * @name undoMgr
     * @memberof module:svgcanvas.SvgCanvas#
     * @type {module:history.HistoryEventHandler}
     */
+
     var undoMgr = canvas.undoMgr = new UndoManager$1({
       /**
        * @param {string} eventType One of the HistoryEvent types
@@ -12726,8 +13615,8 @@
        * @returns {undefined}
        */
       handleHistoryEvent: function handleHistoryEvent(eventType, cmd) {
-        var EventTypes = HistoryEventTypes$1;
-        // TODO: handle setBlurOffsets.
+        var EventTypes = HistoryEventTypes$1; // TODO: handle setBlurOffsets.
+
         if (eventType === EventTypes.BEFORE_UNAPPLY || eventType === EventTypes.BEFORE_APPLY) {
           canvas.clearSelection();
         } else if (eventType === EventTypes.AFTER_APPLY || eventType === EventTypes.AFTER_UNAPPLY) {
@@ -12736,8 +13625,10 @@
           call('changed', elems);
           var cmdType = cmd.type();
           var isApply = eventType === EventTypes.AFTER_APPLY;
+
           if (cmdType === MoveElementCommand$1.type()) {
             var parent = isApply ? cmd.newParent : cmd.oldParent;
+
             if (parent === svgcontent) {
               identifyLayers();
             }
@@ -12745,6 +13636,7 @@
             if (cmd.parent === svgcontent) {
               identifyLayers();
             }
+
             if (cmdType === InsertElementCommand$1.type()) {
               if (isApply) {
                 restoreRefElems(cmd.elem);
@@ -12754,6 +13646,7 @@
                 restoreRefElems(cmd.elem);
               }
             }
+
             if (cmd.elem.tagName === 'use') {
               setUseData(cmd.elem);
             }
@@ -12762,12 +13655,12 @@
             if (cmd.elem.tagName === 'title' && cmd.elem.parentNode.parentNode === svgcontent) {
               identifyLayers();
             }
-            var values = isApply ? cmd.newValues : cmd.oldValues;
-            // If stdDeviation was changed, update the blur.
+
+            var values = isApply ? cmd.newValues : cmd.oldValues; // If stdDeviation was changed, update the blur.
+
             if (values.stdDeviation) {
               canvas.setBlurOffsets(cmd.elem.parentNode, values.stdDeviation);
-            }
-            // This is resolved in later versions of webkit, perhaps we should
+            } // This is resolved in later versions of webkit, perhaps we should
             // have a featured detection for correct 'use' behavior?
             // ——————————
             // Remove & Re-add hack for Webkit (issue 775)
@@ -12781,34 +13674,37 @@
             //    // Ok to replace above with this? `sib.before(elem);`
             //  }
             // }
+
           }
         }
       }
     });
-
     /**
     * This should really be an intersection applying to all types rather than a union
     * @function module:svgcanvas~addCommandToHistory
     * @implements {module:path.EditorContext#addCommandToHistory|module:draw.DrawCanvasInit#addCommandToHistory}
     */
+
     var addCommandToHistory = function addCommandToHistory(cmd) {
       canvas.undoMgr.addCommandToHistory(cmd);
     };
-
     /**
     * This should really be an intersection applying to all types rather than a union
     * @function module:svgcanvas.SvgCanvas#getZoom
     * @implements {module:path.EditorContext#getCurrentZoom|module:select.SVGFactory#getCurrentZoom}
     */
+
+
     var getCurrentZoom = this.getZoom = function () {
       return currentZoom;
     };
-
     /**
     * This method rounds the incoming value to the nearest value based on the `currentZoom`
     * @function module:svgcanvas.SvgCanvas#round
     * @implements {module:path.EditorContext#round}
     */
+
+
     var round = this.round = function (val) {
       return parseInt(val * currentZoom, 10) / currentZoom;
     };
@@ -12828,7 +13724,6 @@
       svgContent: function svgContent() {
         return svgcontent;
       },
-
       getCurrentZoom: getCurrentZoom
     });
     /**
@@ -12836,24 +13731,25 @@
     * @name module:svgcanvas.SvgCanvas#selectorManager
     * @type {module:select.SelectorManager}
     */
-    var selectorManager = this.selectorManager = getSelectorManager();
 
+    var selectorManager = this.selectorManager = getSelectorManager();
     /**
     * @function module:svgcanvas.SvgCanvas#getNextId
     * @implements {module:path.EditorContext#getNextId}
     */
+
     var getNextId = canvas.getNextId = function () {
       return getCurrentDrawing().getNextId();
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getId
     * @implements {module:path.EditorContext#getId}
     */
+
+
     var getId = canvas.getId = function () {
       return getCurrentDrawing().getId();
     };
-
     /**
     * The "implements" should really be an intersection applying to all types rather than a union
     * @function module:svgcanvas.SvgCanvas#call
@@ -12862,12 +13758,13 @@
     * @param {module:svgcanvas.SvgCanvas#event:GenericCanvasEvent} arg - Argument to pass through to the callback function.
     * @returns {undefined}
     */
+
+
     var call = function call(ev, arg) {
       if (events[ev]) {
         return events[ev](window, arg);
       }
     };
-
     /**
     * Clears the selection. The 'selected' handler is then optionally called.
     * This should really be an intersection applying to all types rather than a union
@@ -12875,11 +13772,14 @@
     * @implements {module:draw.DrawCanvasInit#clearSelection|module:path.EditorContext#clearSelection}
     * @fires module:svgcanvas.SvgCanvas#event:selected
     */
+
+
     var clearSelection = this.clearSelection = function (noCall) {
       selectedElements.forEach(function (elem) {
         if (elem == null) {
           return;
         }
+
         selectorManager.releaseSelector(elem);
       });
       selectedElements = [];
@@ -12888,35 +13788,42 @@
         call('selected', selectedElements);
       }
     };
-
     /**
     * Adds a list of elements to the selection. The 'selected' handler is then called.
     * @function module:svgcanvas.SvgCanvas#addToSelection
     * @implements {module:path.EditorContext#addToSelection}
     * @fires module:svgcanvas.SvgCanvas#event:selected
     */
+
+
     var addToSelection = this.addToSelection = function (elemsToAdd, showGrips) {
       if (!elemsToAdd.length) {
         return;
-      }
-      // find the first null in our selectedElements array
+      } // find the first null in our selectedElements array
+
 
       var j = 0;
+
       while (j < selectedElements.length) {
         if (selectedElements[j] == null) {
           break;
         }
-        ++j;
-      }
 
-      // now add each element consecutively
+        ++j;
+      } // now add each element consecutively
+
+
       var i = elemsToAdd.length;
+
       while (i--) {
         var elem = elemsToAdd[i];
+
         if (!elem) {
           continue;
         }
+
         var bbox = getBBox(elem);
+
         if (!bbox) {
           continue;
         }
@@ -12924,14 +13831,13 @@
         if (elem.tagName === 'a' && elem.childNodes.length === 1) {
           // Make "a" element's child be the selected element
           elem = elem.firstChild;
-        }
+        } // if it's not already there, add it
+
 
-        // if it's not already there, add it
         if (!selectedElements.includes(elem)) {
-          selectedElements[j] = elem;
-
-          // only the first selectedBBoxes element is ever used in the codebase these days
+          selectedElements[j] = elem; // only the first selectedBBoxes element is ever used in the codebase these days
           // if (j === 0) selectedBBoxes[0] = utilsGetBBox(elem);
+
           j++;
           var sel = selectorManager.requestSelector(elem, bbox);
 
@@ -12940,75 +13846,78 @@
           }
         }
       }
+
       call('selected', selectedElements);
 
       if (showGrips || selectedElements.length === 1) {
         selectorManager.requestSelector(selectedElements[0]).showGrips(true);
       } else {
         selectorManager.requestSelector(selectedElements[0]).showGrips(false);
-      }
-
-      // make sure the elements are in the correct order
+      } // make sure the elements are in the correct order
       // See: https://www.w3.org/TR/DOM-Level-3-Core/core.html#Node3-compareDocumentPosition
 
+
       selectedElements.sort(function (a, b) {
         if (a && b && a.compareDocumentPosition) {
           return 3 - (b.compareDocumentPosition(a) & 6);
         }
+
         if (a == null) {
           return 1;
         }
-      });
+      }); // Make sure first elements are not null
 
-      // Make sure first elements are not null
       while (selectedElements[0] == null) {
         selectedElements.shift(0);
       }
     };
-
     /**
     * @implements {module:path.EditorContext#getOpacity}
     */
+
+
     var getOpacity = function getOpacity() {
       return curShape.opacity;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getMouseTarget
     * @implements {module:path.EditorContext#getMouseTarget}
     */
+
+
     var getMouseTarget = this.getMouseTarget = function (evt) {
       if (evt == null) {
         return null;
       }
-      var mouseTarget = evt.target;
 
-      // if it was a <use>, Opera and WebKit return the SVGElementInstance
+      var mouseTarget = evt.target; // if it was a <use>, Opera and WebKit return the SVGElementInstance
+
       if (mouseTarget.correspondingUseElement) {
         mouseTarget = mouseTarget.correspondingUseElement;
-      }
-
-      // for foreign content, go up until we find the foreignObject
+      } // for foreign content, go up until we find the foreignObject
       // WebKit browsers set the mouse target to the svgcanvas div
+
+
       if ([NS.MATH, NS.HTML].includes(mouseTarget.namespaceURI) && mouseTarget.id !== 'svgcanvas') {
         while (mouseTarget.nodeName !== 'foreignObject') {
           mouseTarget = mouseTarget.parentNode;
+
           if (!mouseTarget) {
             return svgroot;
           }
         }
-      }
-
-      // Get the desired mouseTarget with jQuery selector-fu
+      } // Get the desired mouseTarget with jQuery selector-fu
       // If it's root-like, select the root
+
+
       var currentLayer = getCurrentDrawing().getCurrentLayer();
+
       if ([svgroot, container, svgcontent, currentLayer].includes(mouseTarget)) {
         return svgroot;
       }
 
-      var $target = $$9(mouseTarget);
+      var $target = $$9(mouseTarget); // If it's a selection grip, return the grip parent
 
-      // If it's a selection grip, return the grip parent
       if ($target.closest('#selectorParentGroup').length) {
         // While we could instead have just returned mouseTarget,
         // this makes it easier to indentify as being a selector grip
@@ -13017,9 +13926,7 @@
 
       while (mouseTarget.parentNode !== (currentGroup || currentLayer)) {
         mouseTarget = mouseTarget.parentNode;
-      }
-
-      //
+      } //
       // // go up until we hit a child of a layer
       // while (mouseTarget.parentNode.parentNode.tagName == 'g') {
       //   mouseTarget = mouseTarget.parentNode;
@@ -13030,28 +13937,34 @@
       //   mouseTarget = svgroot;
       // }
 
+
       return mouseTarget;
     };
-
     /**
     * @namespace {module:path.pathActions} pathActions
     * @memberof module:svgcanvas.SvgCanvas#
     * @see module:path.pathActions
     */
+
+
     canvas.pathActions = pathActions$$1;
     /**
     * @implements {module:path.EditorContext#resetD}
     */
+
     function resetD(p) {
       p.setAttribute('d', pathActions$$1.convertPath(p));
     }
+
     init$1(
     /**
     * @implements {module:path.EditorContext}
     */
     {
-      selectorManager: selectorManager, // Ok since not changing
-      canvas: canvas, // Ok since not changing
+      selectorManager: selectorManager,
+      // Ok since not changing
+      canvas: canvas,
+      // Ok since not changing
       call: call,
       resetD: resetD,
       round: round,
@@ -13086,11 +13999,13 @@
       addPtsToSelection: function addPtsToSelection(_ref) {
         var closedSubpath = _ref.closedSubpath,
             grips = _ref.grips;
-
         // TODO: Correct this:
         pathActions$$1.canDeleteNodes = true;
         pathActions$$1.closed_subpath = closedSubpath;
-        call('pointsAdded', { closedSubpath: closedSubpath, grips: grips });
+        call('pointsAdded', {
+          closedSubpath: closedSubpath,
+          grips: grips
+        });
         call('selected', grips);
       },
 
@@ -13103,11 +14018,9 @@
       endChanges: function endChanges(_ref2) {
         var cmd = _ref2.cmd,
             elem = _ref2.elem;
-
         addCommandToHistory(cmd);
         call('changed', [elem]);
       },
-
       getCurrentZoom: getCurrentZoom,
       getId: getId,
       getNextId: getNextId,
@@ -13126,19 +14039,14 @@
         drawnPath = dp;
         return drawnPath;
       },
-
       getSVGRoot: getSVGRoot
-    });
+    }); // Interface strings, usually for title elements
 
-    // Interface strings, usually for title elements
     var uiStrings = {};
-
     var visElems = 'a,circle,ellipse,foreignObject,g,image,line,path,polygon,polyline,rect,svg,text,tspan,use';
     var refAttrs = ['clip-path', 'fill', 'filter', 'marker-end', 'marker-mid', 'marker-start', 'mask', 'stroke'];
+    var elData = $$9.data; // Animation element to change the opacity of any newly created element
 
-    var elData = $$9.data;
-
-    // Animation element to change the opacity of any newly created element
     var opacAni = document.createElementNS(NS.SVG, 'animate');
     $$9(opacAni).attr({
       attributeName: 'opacity',
@@ -13150,11 +14058,14 @@
     var restoreRefElems = function restoreRefElems(elem) {
       // Look for missing reference elements, restore any found
       var attrs = $$9(elem).attr(refAttrs);
+
       for (var o in attrs) {
         var val = attrs[o];
+
         if (val && val.startsWith('url(')) {
           var id = getUrlFromAttr(val).substr(1);
           var ref = getElem(id);
+
           if (!ref) {
             findDefs().append(removedElements[id]);
             delete removedElements[id];
@@ -13169,9 +14080,7 @@
           restoreRefElems(childs[i]);
         }
       }
-    };
-
-    // (function () {
+    }; // (function () {
     // TODO For Issue 208: this is a start on a thumbnail
     //  const svgthumb = svgdoc.createElementNS(NS.SVG, 'use');
     //  svgthumb.setAttribute('width', '100');
@@ -13186,84 +14095,58 @@
      * @property {"embed"} [image]
      * @property {Integer} round_digits
      */
-
     // Object to contain image data for raster images that were found encodable
+
+
     var encodableImages = {},
+        // Object with save options
 
-
-    // Object with save options
     /**
      * @type {module:svgcanvas.SaveOptions}
      */
-    saveOptions = { round_digits: 5 },
-
-
-    // Object with IDs for imported files, to see if one was already added
+    saveOptions = {
+      round_digits: 5
+    },
+        // Object with IDs for imported files, to see if one was already added
     importIds = {},
-
-
-    // Current text style properties
+        // Current text style properties
     curText = allProperties.text,
-
-
-    // Object to contain all included extensions
+        // Object to contain all included extensions
     extensions = {},
-
-
-    // Map of deleted reference elements
+        // Map of deleted reference elements
     removedElements = {};
-
-    var
-    // String with image URL of last loadable image
+    var // String with image URL of last loadable image
     lastGoodImgUrl = curConfig.imgPath + 'logo.png',
-
-
-    // Boolean indicating whether or not a draw action has been started
+        // Boolean indicating whether or not a draw action has been started
     started = false,
-
-
-    // String with an element's initial transform attribute value
+        // String with an element's initial transform attribute value
     startTransform = null,
-
-
-    // String indicating the current editor mode
+        // String indicating the current editor mode
     currentMode = 'select',
-
-
-    // String with the current direction in which an element is being resized
+        // String with the current direction in which an element is being resized
     currentResizeMode = 'none',
-
-
-    // Current general properties
+        // Current general properties
     curProperties = curShape,
-
-
-    // Array with selected elements' Bounding box object
+        // Array with selected elements' Bounding box object
     // selectedBBoxes = new Array(1),
-
     // The DOM element that was just selected
     justSelected = null,
-
-
-    // DOM element for selection rectangle drawn by the user
+        // DOM element for selection rectangle drawn by the user
     rubberBox = null,
-
-
-    // Array of current BBoxes, used in getIntersectionList().
+        // Array of current BBoxes, used in getIntersectionList().
     curBBoxes = [],
-
-
-    // Canvas point for the most recent right click
+        // Canvas point for the most recent right click
     lastClickPoint = null;
-
     /**
     * @typedef {module:svgcanvas.ExtensionMouseDownStatus|module:svgcanvas.ExtensionMouseUpStatus|module:svgcanvas.ExtensionIDsUpdatedStatus|module:locale.ExtensionLocaleData[]|undefined} module:svgcanvas.ExtensionStatus
     * @tutorial ExtensionDocs
     */
+
     /**
     * @callback module:svgcanvas.ExtensionVarBuilder
     * @param {string} name The name of the extension
     */
+
     /**
     * @todo Consider: Should this return an array by default, so extension results aren't overwritten?
     * @todo Would be easier to document if passing in object with key of action and vars as value; could then define an interface which tied both together
@@ -13273,6 +14156,7 @@
     * @param {boolean} [returnArray]
     * @returns {GenericArray.<module:svgcanvas.ExtensionStatus>|module:svgcanvas.ExtensionStatus|false} See {@tutorial ExtensionDocs} on the ExtensionStatus.
     */
+
     var runExtensions = this.runExtensions = function (action, vars, returnArray) {
       var result = returnArray ? [] : false;
       $$9.each(extensions, function (name, ext) {
@@ -13280,6 +14164,7 @@
           if (typeof vars === 'function') {
             vars = vars(name); // ext, action
           }
+
           if (returnArray) {
             result.push(ext[action](vars));
           } else {
@@ -13289,17 +14174,18 @@
       });
       return result;
     };
-
     /**
     * @typedef {PlainObject} module:svgcanvas.ExtensionMouseDownStatus
     * @property {boolean} started Indicates that creating/editing has started
     */
+
     /**
     * @typedef {PlainObject} module:svgcanvas.ExtensionMouseUpStatus
     * @property {boolean} keep Indicates if the current element should be kept
     * @property {boolean} started Indicates if editing should still be considered as "started"
     * @property {Element} element The element being affected
     */
+
     /**
     * @typedef {PlainObject} module:svgcanvas.ExtensionIDsUpdatedStatus
     * @property {string[]} remove Contains string IDs (used by `ext-connector.js`)
@@ -13311,81 +14197,97 @@
      * @property {module:SVGEditor.Button[]|PlainObject.<Integer, module:SVGEditor.Button>} [buttons]
      * @property {string} [svgicons] The location of a local SVG or SVGz file
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#mouseDown
      * @param {module:svgcanvas.SvgCanvas#event:ext-mouseDown} arg
      * @returns {undefined|module:svgcanvas.ExtensionMouseDownStatus}
      */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#mouseMove
      * @param {module:svgcanvas.SvgCanvas#event:ext-mouseMove} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#mouseUp
      * @param {module:svgcanvas.SvgCanvas#event:ext-mouseUp} arg
      * @returns {module:svgcanvas.ExtensionMouseUpStatus}
      */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#zoomChanged
      * @param {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#IDsUpdated
      * @param {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} arg
      * @returns {module:svgcanvas.ExtensionIDsUpdatedStatus}
      */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#canvasUpdated
      * @param {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#toolButtonStateUpdate
      * @param {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#selectedChanged
      * @param {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#elementTransition
      * @param {module:svgcanvas.SvgCanvas#event:ext-elementTransition} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#elementChanged
      * @param {module:svgcanvas.SvgCanvas#event:ext-elementChanged} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#langReady
      * @param {module:svgcanvas.SvgCanvas#event:ext-langReady} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#langChanged
      * @param {module:svgcanvas.SvgCanvas#event:ext-langChanged} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#addLangData
      * @param {module:svgcanvas.SvgCanvas#event:ext-addLangData} arg
      * @returns {Promise} Resolves to {@link module:locale.ExtensionLocaleData}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#onNewDocument
      * @param {module:svgcanvas.SvgCanvas#event:ext-onNewDocument} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#workareaResized
      * @param {module:svgcanvas.SvgCanvas#event:ext-workareaResized} arg
      * @returns {undefined}
     */
+
     /**
      * @function module:svgcanvas.ExtensionInitResponse#callback
      * @param {module:svgcanvas.SvgCanvas#event:ext-callback} arg
@@ -13398,6 +14300,7 @@
     * @param {module:svgcanvas.ExtensionArgumentObject} arg
     * @returns {Promise} Resolves to [ExtensionInitResponse]{@link module:svgcanvas.ExtensionInitResponse} or `undefined`
     */
+
     /**
     * Add an extension to the editor
     * @function module:svgcanvas.SvgCanvas#addExtension
@@ -13408,8 +14311,14 @@
     * @throws {TypeError} If `extInitFunc` is not a function
     * @returns {Promise} Resolves to `undefined`
     */
-    this.addExtension = function () {
-      var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(name, extInitFunc, importLocale) {
+
+
+    this.addExtension =
+    /*#__PURE__*/
+    function () {
+      var _ref3 = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee(name, extInitFunc, importLocale) {
         var argObj, extObj;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
@@ -13429,6 +14338,7 @@
                 }
 
                 // Provide private vars/funcs here. Is there a better way to do this?
+
                 /**
                  * @typedef {module:svgcanvas.PrivateMethods} module:svgcanvas.ExtensionArgumentObject
                  * @property {SVGSVGElement} svgroot See {@link module:svgcanvas~svgroot}
@@ -13437,6 +14347,7 @@
                  * @property {module:select.SelectorManager} selectorManager
                  * @property {module:SVGEditor~ImportLocale} importLocale
                  */
+
                 /**
                  * @type {module:svgcanvas.ExtensionArgumentObject}
                  * @see {@link module:svgcanvas.PrivateMethods} source for the other methods/properties
@@ -13459,13 +14370,13 @@
                 }
 
                 extensions[name] = extObj;
-                return _context.abrupt('return', call('extension_added', extObj));
+                return _context.abrupt("return", call('extension_added', extObj));
 
               case 12:
                 console.log('Cannot add extension "' + name + '", an extension by that name already exists.');
 
               case 13:
-              case 'end':
+              case "end":
                 return _context.stop();
             }
           }
@@ -13476,7 +14387,6 @@
         return _ref3.apply(this, arguments);
       };
     }();
-
     /**
     * This method sends back an array or a NodeList full of elements that
     * intersect the multi-select rubber-band-box on the currentLayer only.
@@ -13489,14 +14399,16 @@
     * @param {SVGRect} rect
     * @returns {Element[]|NodeList} Bbox elements
     */
+
+
     var getIntersectionList = this.getIntersectionList = function (rect) {
       if (rubberBox == null) {
         return null;
       }
 
       var parent = currentGroup || getCurrentDrawing().getCurrentLayer();
+      var rubberBBox;
 
-      var rubberBBox = void 0;
       if (!rect) {
         rubberBBox = rubberBox.getBBox();
         var bb = svgcontent.createSVGRect();
@@ -13504,6 +14416,7 @@
         for (var o in rubberBBox) {
           bb[o] = rubberBBox[o] / currentZoom;
         }
+
         rubberBBox = bb;
       } else {
         rubberBBox = svgcontent.createSVGRect();
@@ -13514,12 +14427,12 @@
       }
 
       var resultList = null;
+
       if (!isIE) {
         if (typeof svgroot.getIntersectionList === 'function') {
           // Offset the bbox of the rubber box by the offset of the svgcontent element.
           rubberBBox.x += parseInt(svgcontent.getAttribute('x'), 10);
           rubberBBox.y += parseInt(svgcontent.getAttribute('y'), 10);
-
           resultList = svgroot.getIntersectionList(rubberBBox, parent);
         }
       }
@@ -13531,27 +14444,28 @@
           // Cache all bboxes
           curBBoxes = getVisibleElementsAndBBoxes(parent);
         }
+
         var i = curBBoxes.length;
+
         while (i--) {
           if (!rubberBBox.width) {
             continue;
           }
+
           if (rectsIntersect(rubberBBox, curBBoxes[i].bbox)) {
             resultList.push(curBBoxes[i].elem);
           }
         }
-      }
-
-      // addToSelection expects an array, but it's ok to pass a NodeList
+      } // addToSelection expects an array, but it's ok to pass a NodeList
       // because using square-bracket notation is allowed:
       // https://www.w3.org/TR/DOM-Level-2-Core/ecma-script-binding.html
+
+
       return resultList;
     };
 
     this.getStrokedBBox = getStrokedBBoxDefaultVisible;
-
     this.getVisibleElements = getVisibleElements;
-
     /**
     * @typedef {PlainObject} ElementAndBBox
     * @property {Element} elem - The element
@@ -13566,58 +14480,66 @@
     * @param {Element} parent - The parent DOM element to search within
     * @returns {ElementAndBBox[]} An array with objects that include:
     */
+
     var getVisibleElementsAndBBoxes = this.getVisibleElementsAndBBoxes = function (parent) {
       if (!parent) {
         parent = $$9(svgcontent).children(); // Prevent layers from being included
       }
+
       var contentElems = [];
       $$9(parent).children().each(function (i, elem) {
         if (elem.getBBox) {
-          contentElems.push({ elem: elem, bbox: getStrokedBBoxDefaultVisible([elem]) });
+          contentElems.push({
+            elem: elem,
+            bbox: getStrokedBBoxDefaultVisible([elem])
+          });
         }
       });
       return contentElems.reverse();
     };
-
     /**
     * Wrap an SVG element into a group element, mark the group as 'gsvg'
     * @function module:svgcanvas.SvgCanvas#groupSvgElem
     * @param {Element} elem - SVG element to wrap
     * @returns {undefined}
     */
+
+
     var groupSvgElem = this.groupSvgElem = function (elem) {
       var g = document.createElementNS(NS.SVG, 'g');
       elem.replaceWith(g);
       $$9(g).append(elem).data('gsvg', elem)[0].id = getNextId();
-    };
-
-    // Set scope for these functions
-
+    }; // Set scope for these functions
     // Object to contain editor event names and callback functions
-    var events = {};
 
+
+    var events = {};
     canvas.call = call;
     /**
      * Array of what was changed (elements, layers)
      * @event module:svgcanvas.SvgCanvas#event:changed
      * @type {Element[]}
      */
+
     /**
      * Array of selected elements
      * @event module:svgcanvas.SvgCanvas#event:selected
      * @type {Element[]}
      */
+
     /**
      * Array of selected elements
      * @event module:svgcanvas.SvgCanvas#event:transition
      * @type {Element[]}
      */
+
     /**
      * The Element is always `SVGGElement`?
      * If not `null`, will be the set current group element
      * @event module:svgcanvas.SvgCanvas#event:contextset
      * @type {null|Element}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:pointsAdded
      * @type {PlainObject}
@@ -13635,17 +14557,20 @@
      * @property {0.5|2} factor
      * @see module:SVGEditor.BBoxObjectWithFactor
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:updateCanvas
      * @type {PlainObject}
      * @property {false} center
      * @property {module:math.XYObject} newCtr
      */
+
     /**
      * @typedef {PlainObject} module:svgcanvas.ExtensionInitResponsePlusName
      * @implements {module:svgcanvas.ExtensionInitResponse}
      * @property {string} name The extension's resolved ID (whether explicit or based on file name)
      */
+
     /**
      * Generalized extension object response of
      * [`init()`]{@link module:svgcanvas.ExtensionInitCallback}
@@ -13653,36 +14578,44 @@
      * @event module:svgcanvas.SvgCanvas#event:extension_added
      * @type {module:svgcanvas.ExtensionInitResponsePlusName|undefined}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:extensions_added
      * @type {undefined}
     */
+
     /**
      * @typedef {PlainObject} module:svgcanvas.Message
      * @property {Any} data The data
      * @property {string} origin The origin
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:message
      * @type {module:svgcanvas.Message}
      */
+
     /**
      * SVG canvas converted to string
      * @event module:svgcanvas.SvgCanvas#event:saved
      * @type {string}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:setnonce
      * @type {!(string|Integer)}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:unsetnonce
      * @type {undefined}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:zoomDone
      * @type {undefined}
     */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:cleared
      * @type {undefined}
@@ -13692,10 +14625,12 @@
      * @event module:svgcanvas.SvgCanvas#event:exported
      * @type {module:svgcanvas.ImageExportedResults}
      */
+
     /**
      * @event module:svgcanvas.SvgCanvas#event:exportedPDF
      * @type {module:svgcanvas.PDFExportedResults}
      */
+
     /**
      * Creating a cover-all class until {@link https://github.com/jsdoc3/jsdoc/issues/1545} may be supported.
      * `undefined` may be returned by {@link module:svgcanvas.SvgCanvas#event:extension_added} if the extension's `init` returns `undefined` It is also the type for the following events "zoomDone", "unsetnonce", "cleared", and "extensions_added".
@@ -13717,29 +14652,30 @@
     * @param {module:svgcanvas.EventHandler} f - The callback function to bind to the event
     * @returns {module:svgcanvas.EventHandler} The previous event
     */
+
     canvas.bind = function (ev, f) {
       var old = events[ev];
       events[ev] = f;
       return old;
     };
-
     /**
     * Runs the SVG Document through the sanitizer and then updates its paths.
     * @function module:svgcanvas.SvgCanvas#prepareSvg
     * @param {XMLDocument} newDoc - The SVG DOM document
     * @returns {undefined}
     */
-    this.prepareSvg = function (newDoc) {
-      this.sanitizeSvg(newDoc.documentElement);
 
-      // convert paths into absolute commands
-      var paths = [].concat(toConsumableArray(newDoc.getElementsByTagNameNS(NS.SVG, 'path')));
+
+    this.prepareSvg = function (newDoc) {
+      this.sanitizeSvg(newDoc.documentElement); // convert paths into absolute commands
+
+      var paths = _toConsumableArray(newDoc.getElementsByTagNameNS(NS.SVG, 'path'));
+
       paths.forEach(function (path$$1) {
         path$$1.setAttribute('d', pathActions$$1.convertPath(path$$1));
         pathActions$$1.fixEnd(path$$1);
       });
     };
-
     /**
     * Hack for Firefox bugs where text element features aren't updated or get
     * messed up. See issue 136 and issue 137.
@@ -13750,10 +14686,13 @@
     * @param {Element} elem - The (text) DOM element to clone
     * @returns {Element} Cloned element
     */
+
+
     var ffClone = function ffClone(elem) {
       if (!isGecko()) {
         return elem;
       }
+
       var clone = elem.cloneNode(true);
       elem.before(clone);
       elem.remove();
@@ -13761,9 +14700,7 @@
       selectedElements[0] = clone;
       selectorManager.requestSelector(clone).showGrips(true);
       return clone;
-    };
-
-    // `this.each` is deprecated, if any extension used this it can be recreated by doing this:
+    }; // `this.each` is deprecated, if any extension used this it can be recreated by doing this:
     // * @example $(canvas.getRootElem()).children().each(...)
     // * @function module:svgcanvas.SvgCanvas#each
     // this.each = function (cb) {
@@ -13779,6 +14716,8 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setRotationAngle = function (val, preventUndo) {
       // ensure val is the proper type
       val = parseFloat(val);
@@ -13787,20 +14726,22 @@
       var bbox = getBBox(elem);
       var cx = bbox.x + bbox.width / 2,
           cy = bbox.y + bbox.height / 2;
-      var tlist = getTransformList(elem);
+      var tlist = getTransformList(elem); // only remove the real rotational transform if present (i.e. at index=0)
 
-      // only remove the real rotational transform if present (i.e. at index=0)
       if (tlist.numberOfItems > 0) {
         var xform = tlist.getItem(0);
+
         if (xform.type === 4) {
           tlist.removeItem(0);
         }
-      }
-      // find Rnc and insert it
+      } // find Rnc and insert it
+
+
       if (val !== 0) {
         var center = transformPoint(cx, cy, transformListToTransform(tlist).matrix);
         var Rnc = svgroot.createSVGTransform();
         Rnc.setRotate(val, center.x, center.y);
+
         if (tlist.numberOfItems) {
           tlist.insertItemBefore(Rnc, 0);
         } else {
@@ -13817,16 +14758,16 @@
         elem.setAttribute('transform', oldTransform);
         changeSelectedAttribute('transform', newTransform, selectedElements);
         call('changed', selectedElements);
-      }
-      // const pointGripContainer = getElem('pathpointgrip_container');
+      } // const pointGripContainer = getElem('pathpointgrip_container');
       // if (elem.nodeName === 'path' && pointGripContainer) {
       //   pathActions.setPointContainerTransform(elem.getAttribute('transform'));
       // }
+
+
       var selector = selectorManager.requestSelector(selectedElements[0]);
       selector.resize();
       selector.updateGripCursors(val);
     };
-
     /**
     * Runs `recalculateDimensions` on the selected elements,
     * adding the changes to a single batch command
@@ -13834,15 +14775,18 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     var recalculateAllSelectedDimensions = this.recalculateAllSelectedDimensions = function () {
       var text = currentResizeMode === 'none' ? 'position' : 'size';
       var batchCmd = new BatchCommand$1(text);
-
       var i = selectedElements.length;
+
       while (i--) {
-        var elem = selectedElements[i];
-        // if (getRotationAngle(elem) && !hasMatrixTransform(getTransformList(elem))) { continue; }
+        var elem = selectedElements[i]; // if (getRotationAngle(elem) && !hasMatrixTransform(getTransformList(elem))) { continue; }
+
         var cmd = recalculateDimensions(elem);
+
         if (cmd) {
           batchCmd.addSubCommand(cmd);
         }
@@ -13853,24 +14797,23 @@
         call('changed', selectedElements);
       }
     };
-
     /**
      * Debug tool to easily see the current matrix in the browser's console
      * @function module:svgcanvas~logMatrix
      * @param {SVGMatrix} m The matrix
      * @returns {undefined}
      */
+
+
     var logMatrix = function logMatrix(m) {
       console.log([m.a, m.b, m.c, m.d, m.e, m.f]);
-    };
+    }; // Root Current Transformation Matrix in user units
+
 
-    // Root Current Transformation Matrix in user units
     var rootSctm = null;
-
     /**
     * Group: Selection
     */
-
     // TODO: do we need to worry about selectedBBoxes here?
 
     /**
@@ -13880,12 +14823,11 @@
     * @param {boolean} showGrips - Indicates whether the resize grips should be shown
     * @returns {undefined}
     */
+
     var selectOnly = this.selectOnly = function (elems, showGrips) {
       clearSelection(true);
       addToSelection(elems, showGrips);
-    };
-
-    // TODO: could use slice here to make this faster?
+    }; // TODO: could use slice here to make this faster?
     // TODO: should the 'selected' handler
 
     /**
@@ -13894,19 +14836,26 @@
     * @param {Element[]} elemsToRemove - An array of elements to remove from selection
     * @returns {undefined}
     */
-    /* const removeFromSelection = */this.removeFromSelection = function (elemsToRemove) {
+
+    /* const removeFromSelection = */
+
+
+    this.removeFromSelection = function (elemsToRemove) {
       if (selectedElements[0] == null) {
         return;
       }
+
       if (!elemsToRemove.length) {
         return;
-      }
+      } // find every element and remove it from our array copy
+
 
-      // find every element and remove it from our array copy
       var newSelectedItems = [],
           len = selectedElements.length;
+
       for (var i = 0; i < len; ++i) {
         var elem = selectedElements[i];
+
         if (elem) {
           // keep the item
           if (!elemsToRemove.includes(elem)) {
@@ -13916,27 +14865,29 @@
             selectorManager.releaseSelector(elem);
           }
         }
-      }
-      // the copy becomes the master now
+      } // the copy becomes the master now
+
+
       selectedElements = newSelectedItems;
     };
-
     /**
     * Clears the selection, then adds all elements in the current layer to the selection.
     * @function module:svgcanvas.SvgCanvas#selectAllInCurrentLayer
     * @returns {undefined}
     */
+
+
     this.selectAllInCurrentLayer = function () {
       var currentLayer = getCurrentDrawing().getCurrentLayer();
+
       if (currentLayer) {
         currentMode = 'select';
         selectOnly($$9(currentGroup || currentLayer).children());
       }
     };
 
-    var drawnPath = null;
+    var drawnPath = null; // Mouse events
 
-    // Mouse events
     (function () {
       var freehand = {
         minx: null,
@@ -13953,17 +14904,38 @@
           rStartY = null,
           initBbox = {},
           sumDistance = 0,
-          controllPoint2 = { x: 0, y: 0 },
-          controllPoint1 = { x: 0, y: 0 },
-          start = { x: 0, y: 0 },
-          end = { x: 0, y: 0 },
-          bSpline = { x: 0, y: 0 },
-          nextPos = { x: 0, y: 0 },
-          parameter = void 0,
-          nextParameter = void 0;
+          controllPoint2 = {
+        x: 0,
+        y: 0
+      },
+          controllPoint1 = {
+        x: 0,
+        y: 0
+      },
+          start = {
+        x: 0,
+        y: 0
+      },
+          end = {
+        x: 0,
+        y: 0
+      },
+          bSpline = {
+        x: 0,
+        y: 0
+      },
+          nextPos = {
+        x: 0,
+        y: 0
+      },
+          parameter,
+          nextParameter;
 
       var getBsplinePoint = function getBsplinePoint(t) {
-        var spline = { x: 0, y: 0 },
+        var spline = {
+          x: 0,
+          y: 0
+        },
             p0 = controllPoint2,
             p1 = controllPoint1,
             p2 = start,
@@ -13971,12 +14943,9 @@
             S = 1.0 / 6.0,
             t2 = t * t,
             t3 = t2 * t;
-
         var m = [[-1, 3, -3, 1], [3, -6, 3, 0], [-3, 0, 3, 0], [1, 4, 1, 0]];
-
         spline.x = S * ((p0.x * m[0][0] + p1.x * m[0][1] + p2.x * m[0][2] + p3.x * m[0][3]) * t3 + (p0.x * m[1][0] + p1.x * m[1][1] + p2.x * m[1][2] + p3.x * m[1][3]) * t2 + (p0.x * m[2][0] + p1.x * m[2][1] + p2.x * m[2][2] + p3.x * m[2][3]) * t + (p0.x * m[3][0] + p1.x * m[3][1] + p2.x * m[3][2] + p3.x * m[3][3]));
         spline.y = S * ((p0.y * m[0][0] + p1.y * m[0][1] + p2.y * m[0][2] + p3.y * m[0][3]) * t3 + (p0.y * m[1][0] + p1.y * m[1][1] + p2.y * m[1][2] + p3.y * m[1][3]) * t2 + (p0.y * m[2][0] + p1.y * m[2][1] + p2.y * m[2][2] + p3.y * m[2][3]) * t + (p0.y * m[3][0] + p1.y * m[3][1] + p2.y * m[3][2] + p3.y * m[3][3]));
-
         return {
           x: spline.x,
           y: spline.y
@@ -13991,6 +14960,8 @@
        * @fires module:svgcanvas.SvgCanvas#event:ext-mouseDown
        * @returns {undefined}
        */
+
+
       var mouseDown = function mouseDown(evt) {
         if (canvas.spaceKey || evt.button === 1) {
           return;
@@ -14004,32 +14975,29 @@
         }
 
         rootSctm = $$9('#svgcontent g')[0].getScreenCTM().inverse();
-
         var pt = transformPoint(evt.pageX, evt.pageY, rootSctm),
             mouseX = pt.x * currentZoom,
             mouseY = pt.y * currentZoom;
-
         evt.preventDefault();
 
         if (rightClick) {
           currentMode = 'select';
           lastClickPoint = pt;
-        }
-
-        // This would seem to be unnecessary...
+        } // This would seem to be unnecessary...
         // if (!['select', 'resize'].includes(currentMode)) {
         //   setGradient();
         // }
 
+
         var x = mouseX / currentZoom,
             y = mouseY / currentZoom;
         var mouseTarget = getMouseTarget(evt);
 
         if (mouseTarget.tagName === 'a' && mouseTarget.childNodes.length === 1) {
           mouseTarget = mouseTarget.firstChild;
-        }
+        } // realX/y ignores grid-snap value
+
 
-        // realX/y ignores grid-snap value
         var realX = x;
         rStartX = startX = x;
         var realY = y;
@@ -14040,33 +15008,33 @@
           y = snapToGrid(y);
           startX = snapToGrid(startX);
           startY = snapToGrid(startY);
-        }
-
-        // if it is a selector grip, then it must be a single element selected,
+        } // if it is a selector grip, then it must be a single element selected,
         // set the mouseTarget to that and update the mode to rotate/resize
 
+
         if (mouseTarget === selectorManager.selectorParentGroup && selectedElements[0] != null) {
           var grip = evt.target;
-          var griptype = elData(grip, 'type');
-          // rotating
+          var griptype = elData(grip, 'type'); // rotating
+
           if (griptype === 'rotate') {
-            currentMode = 'rotate';
-            // resizing
+            currentMode = 'rotate'; // resizing
           } else if (griptype === 'resize') {
             currentMode = 'resize';
             currentResizeMode = elData(grip, 'dir');
           }
+
           mouseTarget = selectedElements[0];
         }
 
         startTransform = mouseTarget.getAttribute('transform');
-        var i = void 0,
-            strokeW = void 0;
+        var i, strokeW;
         var tlist = getTransformList(mouseTarget);
+
         switch (currentMode) {
           case 'select':
             started = true;
             currentResizeMode = 'none';
+
             if (rightClick) {
               started = false;
             }
@@ -14080,11 +15048,12 @@
                   // No need to do the call here as it will be done on addToSelection
                   clearSelection(true);
                 }
+
                 addToSelection([mouseTarget]);
                 justSelected = mouseTarget;
                 pathActions$$1.clear();
-              }
-              // else if it's a path, go into pathedit mode in mouseup
+              } // else if it's a path, go into pathedit mode in mouseup
+
 
               if (!rightClick) {
                 // insert a dummy transform so if the element(s) are moved it will have
@@ -14093,7 +15062,9 @@
                   if (selectedElements[i] == null) {
                     continue;
                   }
+
                   var slist = getTransformList(selectedElements[i]);
+
                   if (slist.numberOfItems) {
                     slist.insertItemBefore(svgroot.createSVGTransform(), 0);
                   } else {
@@ -14104,12 +15075,13 @@
             } else if (!rightClick) {
               clearSelection();
               currentMode = 'multiselect';
+
               if (rubberBox == null) {
                 rubberBox = selectorManager.getRubberBandBox();
               }
+
               rStartX *= currentZoom;
-              rStartY *= currentZoom;
-              // console.log('p',[evt.pageX, evt.pageY]);
+              rStartY *= currentZoom; // console.log('p',[evt.pageX, evt.pageY]);
               // console.log('c',[evt.clientX, evt.clientY]);
               // console.log('o',[evt.offsetX, evt.offsetY]);
               // console.log('s',[startX, startY]);
@@ -14122,12 +15094,16 @@
                 display: 'inline'
               }, 100);
             }
+
             break;
+
           case 'zoom':
             started = true;
+
             if (rubberBox == null) {
               rubberBox = selectorManager.getRubberBandBox();
             }
+
             assignAttributes(rubberBox, {
               x: realX * currentZoom,
               y: realX * currentZoom,
@@ -14136,22 +15112,21 @@
               display: 'inline'
             }, 100);
             break;
+
           case 'resize':
             started = true;
             startX = x;
-            startY = y;
-
-            // Getting the BBox from the selection box, since we know we
+            startY = y; // Getting the BBox from the selection box, since we know we
             // want to orient around it
+
             initBbox = getBBox($$9('#selectedBox0')[0]);
             var bb = {};
             $$9.each(initBbox, function (key, val) {
               bb[key] = val / currentZoom;
             });
-            initBbox = bb;
-
-            // append three dummy transforms to the tlist so that
+            initBbox = bb; // append three dummy transforms to the tlist so that
             // we can translate,scale,translate in mousemove
+
             var pos = getRotationAngle(mouseTarget) ? 1 : 0;
 
             if (hasMatrixTransform(tlist)) {
@@ -14169,47 +15144,55 @@
                 // Chromium issue: https://code.google.com/p/chromium/issues/detail?id=114625
                 // TODO: Remove this workaround once vendor fixes the issue
                 var iswebkit = isWebkit();
+                var delayedStroke;
 
-                var delayedStroke = void 0;
                 if (iswebkit) {
                   delayedStroke = function delayedStroke(ele) {
                     var _stroke = ele.getAttributeNS(null, 'stroke');
-                    ele.removeAttributeNS(null, 'stroke');
-                    // Re-apply stroke after delay. Anything higher than 1 seems to cause flicker
+
+                    ele.removeAttributeNS(null, 'stroke'); // Re-apply stroke after delay. Anything higher than 1 seems to cause flicker
+
                     if (_stroke !== null) setTimeout(function () {
                       ele.setAttributeNS(null, 'stroke', _stroke);
                     }, 0);
                   };
                 }
+
                 mouseTarget.style.vectorEffect = 'non-scaling-stroke';
+
                 if (iswebkit) {
                   delayedStroke(mouseTarget);
                 }
 
                 var all = mouseTarget.getElementsByTagName('*'),
                     len = all.length;
+
                 for (i = 0; i < len; i++) {
                   if (!all[i].style) {
                     // mathML
                     continue;
                   }
+
                   all[i].style.vectorEffect = 'non-scaling-stroke';
+
                   if (iswebkit) {
                     delayedStroke(all[i]);
                   }
                 }
               }
             }
+
             break;
+
           case 'fhellipse':
           case 'fhrect':
           case 'fhpath':
             start.x = realX;
             start.y = realY;
             started = true;
-            dAttr = realX + ',' + realY + ' ';
-            // Commented out as doing nothing now:
+            dAttr = realX + ',' + realY + ' '; // Commented out as doing nothing now:
             // strokeW = parseFloat(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;
+
             addSVGElementFromJson({
               element: 'polyline',
               curStyles: true,
@@ -14227,6 +15210,7 @@
             freehand.miny = realY;
             freehand.maxy = realY;
             break;
+
           case 'image':
             started = true;
             var newImage = addSVGElementFromJson({
@@ -14244,10 +15228,11 @@
             setHref(newImage, lastGoodImgUrl);
             preventClickDefault(newImage);
             break;
-          case 'square':
-          // FIXME: once we create the rect, we lose information that this was a square
+
+          case 'square': // FIXME: once we create the rect, we lose information that this was a square
           // (for resizing purposes this could be important)
           // Fallthrough
+
           case 'rect':
             started = true;
             startX = x;
@@ -14265,6 +15250,7 @@
               }
             });
             break;
+
           case 'line':
             started = true;
             strokeW = Number(curShape.stroke_width) === 0 ? 1 : curShape.stroke_width;
@@ -14289,6 +15275,7 @@
               }
             });
             break;
+
           case 'circle':
             started = true;
             addSVGElementFromJson({
@@ -14303,6 +15290,7 @@
               }
             });
             break;
+
           case 'ellipse':
             started = true;
             addSVGElementFromJson({
@@ -14318,9 +15306,12 @@
               }
             });
             break;
+
           case 'text':
             started = true;
-            /* const newText = */addSVGElementFromJson({
+            /* const newText = */
+
+            addSVGElementFromJson({
               element: 'text',
               curStyles: true,
               attr: {
@@ -14335,33 +15326,36 @@
                 'xml:space': 'preserve',
                 opacity: curShape.opacity
               }
-            });
-            // newText.textContent = 'text';
+            }); // newText.textContent = 'text';
+
             break;
-          case 'path':
-          // Fall through
+
+          case 'path': // Fall through
+
           case 'pathedit':
             startX *= currentZoom;
             startY *= currentZoom;
             pathActions$$1.mouseDown(evt, mouseTarget, startX, startY);
             started = true;
             break;
+
           case 'textedit':
             startX *= currentZoom;
             startY *= currentZoom;
             textActions.mouseDown(evt, mouseTarget, startX, startY);
             started = true;
             break;
+
           case 'rotate':
-            started = true;
-            // we are starting an undoable change (a drag-rotation)
+            started = true; // we are starting an undoable change (a drag-rotation)
+
             canvas.undoMgr.beginUndoableChange('transform', selectedElements);
             break;
+
           default:
             // This could occur in an extension
             break;
         }
-
         /**
          * The main (left) mouse button is held down on the canvas area
          * @event module:svgcanvas.SvgCanvas#event:ext-mouseDown
@@ -14371,22 +15365,24 @@
          * @property {Float} start_y y coordinate on canvas
          * @property {Element[]} selectedElements An array of the selected Elements
         */
-        var extResult = runExtensions('mouseDown', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseDown} */{
+
+
+        var extResult = runExtensions('mouseDown',
+        /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseDown} */
+        {
           event: evt,
           start_x: startX,
           start_y: startY,
           selectedElements: selectedElements
         }, true);
-
         $$9.each(extResult, function (i, r) {
           if (r && r.started) {
             started = true;
           }
         });
-      };
-
-      // in this function we do not record any state changes yet (but we do update
+      }; // in this function we do not record any state changes yet (but we do update
       // any elements that are still being created, moved or resized on the canvas)
+
       /**
        *
        * @param {MouseEvent} evt
@@ -14394,30 +15390,32 @@
        * @fires module:svgcanvas.SvgCanvas#event:ext-mouseMove
        * @returns {undefined}
        */
+
+
       var mouseMove = function mouseMove(evt) {
         if (!started) {
           return;
         }
+
         if (evt.button === 1 || canvas.spaceKey) {
           return;
         }
 
-        var i = void 0,
-            xya = void 0,
-            c = void 0,
-            cx = void 0,
-            cy = void 0,
-            dx = void 0,
-            dy = void 0,
-            len = void 0,
-            angle = void 0,
-            box = void 0,
+        var i,
+            xya,
+            c,
+            cx,
+            cy,
+            dx,
+            dy,
+            len,
+            angle,
+            box,
             selected = selectedElements[0];
         var pt = transformPoint(evt.pageX, evt.pageY, rootSctm),
             mouseX = pt.x * currentZoom,
             mouseY = pt.y * currentZoom,
             shape = getElem(getId());
-
         var realX = mouseX / currentZoom;
         var x = realX;
         var realY = mouseY / currentZoom;
@@ -14429,7 +15427,8 @@
         }
 
         evt.preventDefault();
-        var tlist = void 0;
+        var tlist;
+
         switch (currentMode) {
           case 'select':
             {
@@ -14444,7 +15443,6 @@
                   dx = snapToGrid(dx);
                   dy = snapToGrid(dy);
                 }
-
                 /*
                 // Commenting out as currently has no effect
                 if (evt.shiftKey) {
@@ -14453,43 +15451,49 @@
                 }
                 */
 
+
                 if (dx !== 0 || dy !== 0) {
                   len = selectedElements.length;
+
                   for (i = 0; i < len; ++i) {
                     selected = selectedElements[i];
+
                     if (selected == null) {
                       break;
-                    }
-                    // if (i === 0) {
+                    } // if (i === 0) {
                     //   const box = utilsGetBBox(selected);
                     //     selectedBBoxes[i].x = box.x + dx;
                     //     selectedBBoxes[i].y = box.y + dy;
                     // }
-
                     // update the dummy transform in our transform list
                     // to be a translate
+
+
                     var xform = svgroot.createSVGTransform();
-                    tlist = getTransformList(selected);
-                    // Note that if Webkit and there's no ID for this
+                    tlist = getTransformList(selected); // Note that if Webkit and there's no ID for this
                     // element, the dummy transform may have gotten lost.
                     // This results in unexpected behaviour
 
                     xform.setTranslate(dx, dy);
+
                     if (tlist.numberOfItems) {
                       tlist.replaceItem(xform, 0);
                     } else {
                       tlist.appendItem(xform);
-                    }
+                    } // update our internal bbox that we're tracking while dragging
+
 
-                    // update our internal bbox that we're tracking while dragging
                     selectorManager.requestSelector(selected).resize();
                   }
 
                   call('transition', selectedElements);
                 }
               }
+
               break;
-            }case 'multiselect':
+            }
+
+          case 'multiselect':
             {
               realX *= currentZoom;
               realY *= currentZoom;
@@ -14498,26 +15502,27 @@
                 y: Math.min(rStartY, realY),
                 width: Math.abs(realX - rStartX),
                 height: Math.abs(realY - rStartY)
-              }, 100);
-
-              // for each selected:
+              }, 100); // for each selected:
               // - if newList contains selected, do nothing
               // - if newList doesn't contain selected, remove it from selected
               // - for any newList that was not in selectedElements, add it to selected
+
               var elemsToRemove = selectedElements.slice(),
                   elemsToAdd = [],
-                  newList = getIntersectionList();
+                  newList = getIntersectionList(); // For every element in the intersection, add if not present in selectedElements.
 
-              // For every element in the intersection, add if not present in selectedElements.
               len = newList.length;
+
               for (i = 0; i < len; ++i) {
-                var intElem = newList[i];
-                // Found an element that was not selected before, so we should add it.
+                var intElem = newList[i]; // Found an element that was not selected before, so we should add it.
+
                 if (!selectedElements.includes(intElem)) {
                   elemsToAdd.push(intElem);
-                }
-                // Found an element that was already selected, so we shouldn't remove it.
+                } // Found an element that was already selected, so we shouldn't remove it.
+
+
                 var foundInd = elemsToRemove.indexOf(intElem);
+
                 if (foundInd !== -1) {
                   elemsToRemove.splice(foundInd, 1);
                 }
@@ -14532,7 +15537,9 @@
               }
 
               break;
-            }case 'resize':
+            }
+
+          case 'resize':
             {
               // we track the resize bounding box and translate/scale the selected element
               // while the mouse is down, when mouse goes up, we use this to recalculate
@@ -14545,7 +15552,6 @@
                   _box = box,
                   width = _box.width,
                   height = _box.height;
-
               dx = x - startX;
               dy = y - startY;
 
@@ -14554,22 +15560,24 @@
                 dy = snapToGrid(dy);
                 height = snapToGrid(height);
                 width = snapToGrid(width);
-              }
+              } // if rotated, adjust the dx,dy values
+
 
-              // if rotated, adjust the dx,dy values
               angle = getRotationAngle(selected);
+
               if (angle) {
                 var r = Math.sqrt(dx * dx + dy * dy),
                     theta = Math.atan2(dy, dx) - angle * Math.PI / 180.0;
                 dx = r * Math.cos(theta);
                 dy = r * Math.sin(theta);
-              }
-
-              // if not stretching in y direction, set dy to 0
+              } // if not stretching in y direction, set dy to 0
               // if not stretching in x direction, set dx to 0
+
+
               if (!currentResizeMode.includes('n') && !currentResizeMode.includes('s')) {
                 dy = 0;
               }
+
               if (!currentResizeMode.includes('e') && !currentResizeMode.includes('w')) {
                 dx = 0;
               }
@@ -14578,20 +15586,20 @@
               tx = 0,
                   ty = 0,
                   sy = height ? (height + dy) / height : 1,
-                  sx = width ? (width + dx) / width : 1;
-              // if we are dragging on the north side, then adjust the scale factor and ty
+                  sx = width ? (width + dx) / width : 1; // if we are dragging on the north side, then adjust the scale factor and ty
+
               if (currentResizeMode.includes('n')) {
                 sy = height ? (height - dy) / height : 1;
                 ty = height;
-              }
+              } // if we dragging on the east side, then adjust the scale factor and tx
+
 
-              // if we dragging on the east side, then adjust the scale factor and tx
               if (currentResizeMode.includes('w')) {
                 sx = width ? (width - dx) / width : 1;
                 tx = width;
-              }
+              } // update the transform list with translate,scale,translate
+
 
-              // update the transform list with translate,scale,translate
               var translateOrigin = svgroot.createSVGTransform(),
                   scale = svgroot.createSVGTransform(),
                   translateBack = svgroot.createSVGTransform();
@@ -14604,6 +15612,7 @@
               }
 
               translateOrigin.setTranslate(-(left + tx), -(top + ty));
+
               if (evt.shiftKey) {
                 if (sx === 1) {
                   sx = sy;
@@ -14611,9 +15620,10 @@
                   sy = sx;
                 }
               }
-              scale.setScale(sx, sy);
 
+              scale.setScale(sx, sy);
               translateBack.setTranslate(left + tx, top + ty);
+
               if (hasMatrix) {
                 var diff = angle ? 1 : 0;
                 tlist.replaceItem(translateOrigin, 2 + diff);
@@ -14627,11 +15637,11 @@
               }
 
               selectorManager.requestSelector(selected).resize();
-
               call('transition', selectedElements);
-
               break;
-            }case 'zoom':
+            }
+
+          case 'zoom':
             {
               realX *= currentZoom;
               realY *= currentZoom;
@@ -14642,14 +15652,18 @@
                 height: Math.abs(realY - rStartY * currentZoom)
               }, 100);
               break;
-            }case 'text':
+            }
+
+          case 'text':
             {
               assignAttributes(shape, {
                 x: x,
                 y: y
               }, 1000);
               break;
-            }case 'line':
+            }
+
+          case 'line':
             {
               if (curConfig.gridSnapping) {
                 x = snapToGrid(x);
@@ -14668,19 +15682,21 @@
               shape.setAttributeNS(null, 'x2', x2);
               shape.setAttributeNS(null, 'y2', y2);
               break;
-            }case 'foreignObject':
-          // fall through
-          case 'square':
-          // fall through
-          case 'rect':
-          // fall through
+            }
+
+          case 'foreignObject': // fall through
+
+          case 'square': // fall through
+
+          case 'rect': // fall through
+
           case 'image':
             {
               var square = currentMode === 'square' || evt.shiftKey;
               var w = Math.abs(x - startX),
                   h = Math.abs(y - startY);
-              var newX = void 0,
-                  newY = void 0;
+              var newX, newY;
+
               if (square) {
                 w = h = Math.max(w, h);
                 newX = startX < x ? startX : startX - w;
@@ -14703,22 +15719,26 @@
                 x: newX,
                 y: newY
               }, 1000);
-
               break;
-            }case 'circle':
+            }
+
+          case 'circle':
             {
               c = $$9(shape).attr(['cx', 'cy']);
               var _c = c;
               cx = _c.cx;
               cy = _c.cy;
-
               var rad = Math.sqrt((x - cx) * (x - cx) + (y - cy) * (y - cy));
+
               if (curConfig.gridSnapping) {
                 rad = snapToGrid(rad);
               }
+
               shape.setAttributeNS(null, 'r', rad);
               break;
-            }case 'ellipse':
+            }
+
+          case 'ellipse':
             {
               c = $$9(shape).attr(['cx', 'cy']);
               var _c2 = c;
@@ -14731,11 +15751,13 @@
                 y = snapToGrid(y);
                 cy = snapToGrid(cy);
               }
+
               shape.setAttributeNS(null, 'rx', Math.abs(x - cx));
               var ry = Math.abs(evt.shiftKey ? x - cx : y - cy);
               shape.setAttributeNS(null, 'ry', ry);
               break;
             }
+
           case 'fhellipse':
           case 'fhrect':
             {
@@ -14745,11 +15767,14 @@
               freehand.maxy = Math.max(realY, freehand.maxy);
             }
           // Fallthrough
+
           case 'fhpath':
             {
               // dAttr += + realX + ',' + realY + ' ';
               // shape.setAttributeNS(null, 'points', dAttr);
-              end.x = realX;end.y = realY;
+              end.x = realX;
+              end.y = realY;
+
               if (controllPoint2.x && controllPoint2.y) {
                 for (i = 0; i < STEP_COUNT - 1; i++) {
                   parameter = i / STEP_COUNT;
@@ -14758,10 +15783,10 @@
                   nextPos = bSpline;
                   bSpline = getBsplinePoint(parameter);
                   sumDistance += Math.sqrt((nextPos.x - bSpline.x) * (nextPos.x - bSpline.x) + (nextPos.y - bSpline.y) * (nextPos.y - bSpline.y));
-                  if (sumDistance > THRESHOLD_DIST) {
-                    sumDistance -= THRESHOLD_DIST;
 
-                    // Faster than completely re-writing the points attribute.
+                  if (sumDistance > THRESHOLD_DIST) {
+                    sumDistance -= THRESHOLD_DIST; // Faster than completely re-writing the points attribute.
+
                     var point = svgcontent.createSVGPoint();
                     point.x = bSpline.x;
                     point.y = bSpline.y;
@@ -14769,14 +15794,26 @@
                   }
                 }
               }
-              controllPoint2 = { x: controllPoint1.x, y: controllPoint1.y };
-              controllPoint1 = { x: start.x, y: start.y };
-              start = { x: end.x, y: end.y };
-              break;
-              // update path stretch line coordinates
-            }case 'path':
+
+              controllPoint2 = {
+                x: controllPoint1.x,
+                y: controllPoint1.y
+              };
+              controllPoint1 = {
+                x: start.x,
+                y: start.y
+              };
+              start = {
+                x: end.x,
+                y: end.y
+              };
+              break; // update path stretch line coordinates
+            }
+
+          case 'path':
 
           // fall through
+
           case 'pathedit':
             {
               x *= currentZoom;
@@ -14788,11 +15825,11 @@
                 startX = snapToGrid(startX);
                 startY = snapToGrid(startY);
               }
+
               if (evt.shiftKey) {
                 var path$$1 = path;
+                var x1, y1;
 
-                var x1 = void 0,
-                    y1 = void 0;
                 if (path$$1) {
                   x1 = path$$1.dragging ? path$$1.dragging[0] : startX;
                   y1 = path$$1.dragging ? path$$1.dragging[1] : startY;
@@ -14800,6 +15837,7 @@
                   x1 = startX;
                   y1 = startY;
                 }
+
                 xya = snapToAngle(x1, y1, x, y);
                 var _xya = xya;
                 x = _xya.x;
@@ -14816,14 +15854,15 @@
                   height: Math.abs(realY - rStartY * currentZoom)
                 }, 100);
               }
-              pathActions$$1.mouseMove(x, y);
 
+              pathActions$$1.mouseMove(x, y);
               break;
-            }case 'textedit':
+            }
+
+          case 'textedit':
             {
               x *= currentZoom;
-              y *= currentZoom;
-              // if (rubberBox && rubberBox.getAttribute('display') !== 'none') {
+              y *= currentZoom; // if (rubberBox && rubberBox.getAttribute('display') !== 'none') {
               //   assignAttributes(rubberBox, {
               //     x: Math.min(startX, x),
               //     y: Math.min(startY, y),
@@ -14833,9 +15872,10 @@
               // }
 
               textActions.mouseMove(mouseX, mouseY);
-
               break;
-            }case 'rotate':
+            }
+
+          case 'rotate':
             {
               box = getBBox(selected);
               cx = box.x + box.width / 2;
@@ -14845,9 +15885,11 @@
               cx = center.x;
               cy = center.y;
               angle = (Math.atan2(cy - y, cx - x) * (180 / Math.PI) - 90) % 360;
+
               if (curConfig.gridSnapping) {
                 angle = snapToGrid(angle);
               }
+
               if (evt.shiftKey) {
                 // restrict rotations to nice angles (WRS)
                 var snap = 45;
@@ -14857,10 +15899,11 @@
               canvas.setRotationAngle(angle < -180 ? 360 + angle : angle, true);
               call('transition', selectedElements);
               break;
-            }default:
+            }
+
+          default:
             break;
         }
-
         /**
         * The mouse has moved on the canvas area
         * @event module:svgcanvas.SvgCanvas#event:ext-mouseMove
@@ -14870,19 +15913,23 @@
         * @property {Float} mouse_y y coordinate on canvas
         * @property {Element} selected Refers to the first selected element
         */
-        runExtensions('mouseMove', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseMove} */{
+
+
+        runExtensions('mouseMove',
+        /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseMove} */
+        {
           event: evt,
           mouse_x: mouseX,
           mouse_y: mouseY,
           selected: selected
         });
       }; // mouseMove()
-
       // - in create mode, the element's opacity is set properly, we create an InsertElementCommand
       // and store it on the Undo stack
       // - in move/resize mode, the element's attributes which were affected by the move/resize are
       // identified, a ChangeElementCommand is created and stored on the stack for those attrs
       // this is done in when we recalculate the selected dimensions()
+
       /**
        *
        * @param {MouseEvent} evt
@@ -14891,29 +15938,33 @@
        * @fires module:svgcanvas.SvgCanvas#event:ext-mouseUp
        * @returns {undefined}
        */
+
+
       var mouseUp = function mouseUp(evt) {
         if (evt.button === 2) {
           return;
         }
+
         var tempJustSelected = justSelected;
         justSelected = null;
+
         if (!started) {
           return;
         }
+
         var pt = transformPoint(evt.pageX, evt.pageY, rootSctm),
             mouseX = pt.x * currentZoom,
             mouseY = pt.y * currentZoom,
             x = mouseX / currentZoom,
             y = mouseY / currentZoom;
-
         var element = getElem(getId());
         var keep = false;
-
         var realX = x;
-        var realY = y;
+        var realY = y; // TODO: Make true when in multi-unit mode
+
         started = false;
-        var attrs = void 0,
-            t = void 0;
+        var attrs, t;
+
         switch (currentMode) {
           // intentionally fall-through to select here
           case 'resize':
@@ -14922,20 +15973,24 @@
               rubberBox.setAttribute('display', 'none');
               curBBoxes = [];
             }
+
             currentMode = 'select';
           // Fallthrough
+
           case 'select':
             if (selectedElements[0] != null) {
               // if we only have one selected element
               if (selectedElements[1] == null) {
                 // set our current stroke/fill properties to the element's
                 var selected = selectedElements[0];
+
                 switch (selected.tagName) {
                   case 'g':
                   case 'use':
                   case 'image':
                   case 'foreignObject':
                     break;
+
                   default:
                     curProperties.fill = selected.getAttribute('fill');
                     curProperties.fill_opacity = selected.getAttribute('fill-opacity');
@@ -14951,31 +16006,33 @@
                   curText.font_size = selected.getAttribute('font-size');
                   curText.font_family = selected.getAttribute('font-family');
                 }
-                selectorManager.requestSelector(selected).showGrips(true);
 
-                // This shouldn't be necessary as it was done on mouseDown...
+                selectorManager.requestSelector(selected).showGrips(true); // This shouldn't be necessary as it was done on mouseDown...
                 // call('selected', [selected]);
-              }
-              // always recalculate dimensions to strip off stray identity transforms
-              recalculateAllSelectedDimensions();
-              // if it was being dragged/resized
+              } // always recalculate dimensions to strip off stray identity transforms
+
+
+              recalculateAllSelectedDimensions(); // if it was being dragged/resized
+
               if (realX !== rStartX || realY !== rStartY) {
                 var len = selectedElements.length;
+
                 for (var i = 0; i < len; ++i) {
                   if (selectedElements[i] == null) {
                     break;
                   }
+
                   if (!selectedElements[i].firstChild) {
                     // Not needed for groups (incorrectly resizes elems), possibly not needed at all?
                     selectorManager.requestSelector(selectedElements[i]).resize();
                   }
-                }
-                // no change in position/size, so maybe we should move to pathedit
+                } // no change in position/size, so maybe we should move to pathedit
+
               } else {
                 t = evt.target;
+
                 if (selectedElements[0].nodeName === 'path' && selectedElements[1] == null) {
-                  pathActions$$1.select(selectedElements[0]);
-                  // if it was a path
+                  pathActions$$1.select(selectedElements[0]); // if it was a path
                   // else, if it was selected and this is a shift-click, remove it from selection
                 } else if (evt.shiftKey) {
                   if (tempJustSelected !== t) {
@@ -14983,10 +16040,12 @@
                   }
                 }
               } // no change in mouse position
-
               // Remove non-scaling stroke
+
+
               if (supportsNonScalingStroke()) {
                 var elem = selectedElements[0];
+
                 if (elem) {
                   elem.removeAttribute('style');
                   walkTree(elem, function (elem) {
@@ -14995,11 +16054,14 @@
                 }
               }
             }
+
             return;
+
           case 'zoom':
             if (rubberBox != null) {
               rubberBox.setAttribute('display', 'none');
             }
+
             var factor = evt.shiftKey ? 0.5 : 2;
             call('zoomed', {
               x: Math.min(rStartX, realX),
@@ -15009,46 +16071,67 @@
               factor: factor
             });
             return;
+
           case 'fhpath':
             // Check that the path contains at least 2 points; a degenerate one-point path
             // causes problems.
             // Webkit ignores how we set the points attribute with commas and uses space
             // to separate all coordinates, see https://bugs.webkit.org/show_bug.cgi?id=29870
             sumDistance = 0;
-            controllPoint2 = { x: 0, y: 0 };
-            controllPoint1 = { x: 0, y: 0 };
-            start = { x: 0, y: 0 };
-            end = { x: 0, y: 0 };
+            controllPoint2 = {
+              x: 0,
+              y: 0
+            };
+            controllPoint1 = {
+              x: 0,
+              y: 0
+            };
+            start = {
+              x: 0,
+              y: 0
+            };
+            end = {
+              x: 0,
+              y: 0
+            };
             var coords = element.getAttribute('points');
             var commaIndex = coords.indexOf(',');
+
             if (commaIndex >= 0) {
               keep = coords.indexOf(',', commaIndex + 1) >= 0;
             } else {
               keep = coords.indexOf(' ', coords.indexOf(' ') + 1) >= 0;
             }
+
             if (keep) {
               element = pathActions$$1.smoothPolylineIntoPath(element);
             }
+
             break;
+
           case 'line':
             attrs = $$9(element).attr(['x1', 'x2', 'y1', 'y2']);
             keep = attrs.x1 !== attrs.x2 || attrs.y1 !== attrs.y2;
             break;
+
           case 'foreignObject':
           case 'square':
           case 'rect':
           case 'image':
-            attrs = $$9(element).attr(['width', 'height']);
-            // Image should be kept regardless of size (use inherit dimensions later)
+            attrs = $$9(element).attr(['width', 'height']); // Image should be kept regardless of size (use inherit dimensions later)
+
             keep = attrs.width || attrs.height || currentMode === 'image';
             break;
+
           case 'circle':
             keep = element.getAttribute('r') !== '0';
             break;
+
           case 'ellipse':
             attrs = $$9(element).attr(['rx', 'ry']);
             keep = attrs.rx || attrs.ry;
             break;
+
           case 'fhellipse':
             if (freehand.maxx - freehand.minx > 0 && freehand.maxy - freehand.miny > 0) {
               element = addSVGElementFromJson({
@@ -15065,7 +16148,9 @@
               call('changed', [element]);
               keep = true;
             }
+
             break;
+
           case 'fhrect':
             if (freehand.maxx - freehand.minx > 0 && freehand.maxy - freehand.miny > 0) {
               element = addSVGElementFromJson({
@@ -15082,50 +16167,56 @@
               call('changed', [element]);
               keep = true;
             }
+
             break;
+
           case 'text':
             keep = true;
             selectOnly([element]);
             textActions.start(element);
             break;
+
           case 'path':
             // set element to null here so that it is not removed nor finalized
-            element = null;
-            // continue to be set to true so that mouseMove happens
-            started = true;
+            element = null; // continue to be set to true so that mouseMove happens
 
+            started = true;
             var res = pathActions$$1.mouseUp(evt, element, mouseX, mouseY);
             element = res.element;
             keep = res.keep;
-
             break;
+
           case 'pathedit':
             keep = true;
             element = null;
             pathActions$$1.mouseUp(evt);
             break;
+
           case 'textedit':
             keep = false;
             element = null;
             textActions.mouseUp(evt, mouseX, mouseY);
             break;
+
           case 'rotate':
             keep = true;
             element = null;
             currentMode = 'select';
             var batchCmd = canvas.undoMgr.finishUndoableChange();
+
             if (!batchCmd.isEmpty()) {
               addCommandToHistory(batchCmd);
-            }
-            // perform recalculation to weed out any stray identity transforms that might get stuck
+            } // perform recalculation to weed out any stray identity transforms that might get stuck
+
+
             recalculateAllSelectedDimensions();
             call('changed', selectedElements);
             break;
+
           default:
             // This could occur in an extension
             break;
         }
-
         /**
         * The main (left) mouse button is released (anywhere)
         * @event module:svgcanvas.SvgCanvas#event:ext-mouseUp
@@ -15134,17 +16225,19 @@
         * @property {Float} mouse_x x coordinate on canvas
         * @property {Float} mouse_y y coordinate on canvas
         */
-        var extResult = runExtensions('mouseUp', /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseUp} */{
+
+
+        var extResult = runExtensions('mouseUp',
+        /** @type {module:svgcanvas.SvgCanvas#event:ext-mouseUp} */
+        {
           event: evt,
           mouse_x: mouseX,
           mouse_y: mouseY
         }, true);
-
         $$9.each(extResult, function (i, r) {
           if (r) {
             keep = r.keep || keep;
             element = r.element;
-
             started = r.started || started;
           }
         });
@@ -15153,18 +16246,17 @@
           getCurrentDrawing().releaseId(getId());
           element.remove();
           element = null;
-
-          t = evt.target;
-
-          // if this element is in a group, go up until we reach the top-level group
+          t = evt.target; // if this element is in a group, go up until we reach the top-level group
           // just below the layer groups
           // TODO: once we implement links, we also would have to check for <a> elements
+
           while (t && t.parentNode && t.parentNode.parentNode && t.parentNode.parentNode.tagName === 'g') {
             t = t.parentNode;
-          }
-          // if we are not in the middle of creating a path, and we've clicked on some shape,
+          } // if we are not in the middle of creating a path, and we've clicked on some shape,
           // then go to Select mode.
           // WebKit returns <div> when the canvas is clicked, Firefox/Opera return <svg>
+
+
           if ((currentMode !== 'path' || !drawnPath) && t && t.parentNode && t.parentNode.id !== 'selectorParentGroup' && t.id !== 'svgcanvas' && t.id !== 'svgroot') {
             // switch into "select" mode if we've clicked on an element
             canvas.setMode('select');
@@ -15178,38 +16270,42 @@
           canvas.addedNew = true;
 
           var aniDur = 0.2;
-          var cAni = void 0;
+          var cAni;
+
           if (opacAni.beginElement && parseFloat(element.getAttribute('opacity')) !== curShape.opacity) {
             cAni = $$9(opacAni).clone().attr({
               to: curShape.opacity,
               dur: aniDur
             }).appendTo(element);
+
             try {
               // Fails in FF4 on foreignObject
               cAni[0].beginElement();
             } catch (e) {}
           } else {
             aniDur = 0;
-          }
-
-          // Ideally this would be done on the endEvent of the animation,
+          } // Ideally this would be done on the endEvent of the animation,
           // but that doesn't seem to be supported in Webkit
+
+
           setTimeout(function () {
             if (cAni) {
               cAni.remove();
             }
+
             element.setAttribute('opacity', curShape.opacity);
             element.setAttribute('style', 'pointer-events:inherit');
             cleanupElement(element);
+
             if (currentMode === 'path') {
               pathActions$$1.toEditMode(element);
             } else if (curConfig.selectNew) {
               selectOnly([element], true);
-            }
-            // we create the insert command that is stored on the stack
+            } // we create the insert command that is stored on the stack
             // undo means to call cmd.unapply(), redo means to call cmd.apply()
-            addCommandToHistory(new InsertElementCommand$1(element));
 
+
+            addCommandToHistory(new InsertElementCommand$1(element));
             call('changed', [element]);
           }, aniDur * 1000);
         }
@@ -15219,9 +16315,8 @@
 
       var dblClick = function dblClick(evt) {
         var evtTarget = evt.target;
-        var parent = evtTarget.parentNode;
+        var parent = evtTarget.parentNode; // Do nothing if already in current group
 
-        // Do nothing if already in current group
         if (parent === currentGroup) {
           return;
         }
@@ -15230,7 +16325,6 @@
         var _mouseTarget = mouseTarget,
             tagName = _mouseTarget.tagName;
 
-
         if (tagName === 'text' && currentMode !== 'textedit') {
           var pt = transformPoint(evt.pageX, evt.pageY, rootSctm);
           textActions.select(mouseTarget, pt.x, pt.y);
@@ -15239,13 +16333,13 @@
         if ((tagName === 'g' || tagName === 'a') && getRotationAngle(mouseTarget)) {
           // TODO: Allow method of in-group editing without having to do
           // this (similar to editing rotated paths)
-
           // Ungroup and regroup
           pushGroupProperties(mouseTarget);
           mouseTarget = selectedElements[0];
           clearSelection(true);
-        }
-        // Reset context
+        } // Reset context
+
+
         if (currentGroup) {
           leaveContext();
         }
@@ -15254,21 +16348,21 @@
           // Escape from in-group edit
           return;
         }
-        setContext(mouseTarget);
-      };
 
-      // prevent links from being followed in the canvas
+        setContext(mouseTarget);
+      }; // prevent links from being followed in the canvas
+
+
       var handleLinkInCanvas = function handleLinkInCanvas(e) {
         e.preventDefault();
         return false;
-      };
-
-      // Added mouseup to the container here.
+      }; // Added mouseup to the container here.
       // TODO(codedread): Figure out why after the Closure compiler, the window mouseup is ignored.
-      $$9(container).mousedown(mouseDown).mousemove(mouseMove).click(handleLinkInCanvas).dblclick(dblClick).mouseup(mouseUp);
-      // $(window).mouseup(mouseUp);
 
+
+      $$9(container).mousedown(mouseDown).mousemove(mouseMove).click(handleLinkInCanvas).dblclick(dblClick).mouseup(mouseUp); // $(window).mouseup(mouseUp);
       // TODO(rafaelcastrocouto): User preference for shift key and zoom factor
+
       $$9(container).bind('mousewheel DOMMouseScroll',
       /**
        * @param {Event} e
@@ -15283,42 +16377,34 @@
 
         e.preventDefault();
         var evt = e.originalEvent;
-
         rootSctm = $$9('#svgcontent g')[0].getScreenCTM().inverse();
-
         var workarea = $$9('#workarea');
         var scrbar = 15;
-        var rulerwidth = curConfig.showRulers ? 16 : 0;
+        var rulerwidth = curConfig.showRulers ? 16 : 0; // mouse relative to content area in content pixels
 
-        // mouse relative to content area in content pixels
-        var pt = transformPoint(evt.pageX, evt.pageY, rootSctm);
+        var pt = transformPoint(evt.pageX, evt.pageY, rootSctm); // full work area width in screen pixels
 
-        // full work area width in screen pixels
         var editorFullW = workarea.width();
-        var editorFullH = workarea.height();
+        var editorFullH = workarea.height(); // work area width minus scroll and ruler in screen pixels
 
-        // work area width minus scroll and ruler in screen pixels
         var editorW = editorFullW - scrbar - rulerwidth;
-        var editorH = editorFullH - scrbar - rulerwidth;
+        var editorH = editorFullH - scrbar - rulerwidth; // work area width in content pixels
 
-        // work area width in content pixels
         var workareaViewW = editorW * rootSctm.a;
-        var workareaViewH = editorH * rootSctm.d;
+        var workareaViewH = editorH * rootSctm.d; // content offset from canvas in screen pixels
 
-        // content offset from canvas in screen pixels
         var wOffset = workarea.offset();
         var wOffsetLeft = wOffset['left'] + rulerwidth;
         var wOffsetTop = wOffset['top'] + rulerwidth;
-
         var delta = evt.wheelDelta ? evt.wheelDelta : evt.detail ? -evt.detail : 0;
+
         if (!delta) {
           return;
         }
 
         var factor = Math.max(3 / 4, Math.min(4 / 3, delta));
+        var wZoom, hZoom;
 
-        var wZoom = void 0,
-            hZoom = void 0;
         if (factor > 1) {
           wZoom = Math.ceil(editorW / workareaViewW * factor * 100) / 100;
           hZoom = Math.ceil(editorH / workareaViewH * factor * 100) / 100;
@@ -15326,60 +16412,61 @@
           wZoom = Math.floor(editorW / workareaViewW * factor * 100) / 100;
           hZoom = Math.floor(editorH / workareaViewH * factor * 100) / 100;
         }
+
         var zoomlevel = Math.min(wZoom, hZoom);
         zoomlevel = Math.min(10, Math.max(0.01, zoomlevel));
+
         if (zoomlevel === currentZoom) {
           return;
         }
-        factor = zoomlevel / currentZoom;
 
-        // top left of workarea in content pixels before zoom
-        var topLeftOld = transformPoint(wOffsetLeft, wOffsetTop, rootSctm);
+        factor = zoomlevel / currentZoom; // top left of workarea in content pixels before zoom
+
+        var topLeftOld = transformPoint(wOffsetLeft, wOffsetTop, rootSctm); // top left of workarea in content pixels after zoom
 
-        // top left of workarea in content pixels after zoom
         var topLeftNew = {
           x: pt.x - (pt.x - topLeftOld.x) / factor,
           y: pt.y - (pt.y - topLeftOld.y) / factor
-        };
+        }; // top left of workarea in canvas pixels relative to content after zoom
 
-        // top left of workarea in canvas pixels relative to content after zoom
         var topLeftNewCanvas = {
           x: topLeftNew.x * zoomlevel,
           y: topLeftNew.y * zoomlevel
-        };
+        }; // new center in canvas pixels
 
-        // new center in canvas pixels
         var newCtr = {
           x: topLeftNewCanvas.x - rulerwidth + editorFullW / 2,
           y: topLeftNewCanvas.y - rulerwidth + editorFullH / 2
         };
-
         canvas.setZoom(zoomlevel);
         $$9('#zoom').val((zoomlevel * 100).toFixed(1));
-
-        call('updateCanvas', { center: false, newCtr: newCtr });
+        call('updateCanvas', {
+          center: false,
+          newCtr: newCtr
+        });
         call('zoomDone');
       });
     })();
-
     /**
     * Group: Text edit functions
     * Functions relating to editing text elements
     * @namespace {PlainObject} textActions
     * @memberof module:svgcanvas.SvgCanvas#
     */
+
+
     var textActions = canvas.textActions = function () {
-      var curtext = void 0;
-      var textinput = void 0;
-      var cursor = void 0;
-      var selblock = void 0;
-      var blinker = void 0;
+      var curtext;
+      var textinput;
+      var cursor;
+      var selblock;
+      var blinker;
       var chardata = [];
-      var textbb = void 0; // , transbb;
-      var matrix = void 0;
-      var lastX = void 0,
-          lastY = void 0;
-      var allowDbl = void 0;
+      var textbb; // , transbb;
+
+      var matrix;
+      var lastX, lastY;
+      var allowDbl;
 
       function setCursor(index) {
         var empty = textinput.value === '';
@@ -15392,15 +16479,19 @@
             if (textinput.selectionEnd !== textinput.selectionStart) {
               return;
             }
+
             index = textinput.selectionEnd;
           }
         }
 
         var charbb = chardata[index];
+
         if (!empty) {
           textinput.setSelectionRange(index, index);
         }
+
         cursor = getElem('text_cursor');
+
         if (!cursor) {
           cursor = document.createElementNS(NS.SVG, 'line');
           assignAttributes(cursor, {
@@ -15420,7 +16511,6 @@
 
         var startPt = ptToScreen(charbb.x, textbb.y);
         var endPt = ptToScreen(charbb.x, textbb.y + textbb.height);
-
         assignAttributes(cursor, {
           x1: startPt.x,
           y1: startPt.y,
@@ -15446,6 +16536,7 @@
         }
 
         selblock = getElem('text_selectblock');
+
         if (!selblock) {
           selblock = document.createElementNS(NS.SVG, 'path');
           assignAttributes(selblock, {
@@ -15459,16 +16550,12 @@
 
         var startbb = chardata[start];
         var endbb = chardata[end];
-
         cursor.setAttribute('visibility', 'hidden');
-
         var tl = ptToScreen(startbb.x, textbb.y),
             tr = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y),
             bl = ptToScreen(startbb.x, textbb.y + textbb.height),
             br = ptToScreen(startbb.x + (endbb.x - startbb.x), textbb.y + textbb.height);
-
         var dstr = 'M' + tl.x + ',' + tl.y + ' L' + tr.x + ',' + tr.y + ' ' + br.x + ',' + br.y + ' ' + bl.x + ',' + bl.y + 'z';
-
         assignAttributes(selblock, {
           d: dstr,
           display: 'inline'
@@ -15479,28 +16566,33 @@
         // Position cursor here
         var pt = svgroot.createSVGPoint();
         pt.x = mouseX;
-        pt.y = mouseY;
+        pt.y = mouseY; // No content, so return 0
 
-        // No content, so return 0
         if (chardata.length === 1) {
           return 0;
-        }
-        // Determine if cursor should be on left or right of character
+        } // Determine if cursor should be on left or right of character
+
+
         var charpos = curtext.getCharNumAtPosition(pt);
+
         if (charpos < 0) {
           // Out of text range, look at mouse coords
           charpos = chardata.length - 2;
+
           if (mouseX <= chardata[0].x) {
             charpos = 0;
           }
         } else if (charpos >= chardata.length - 2) {
           charpos = chardata.length - 2;
         }
+
         var charbb = chardata[charpos];
         var mid = charbb.x + charbb.width / 2;
+
         if (mouseX > mid) {
           charpos++;
         }
+
         return charpos;
       }
 
@@ -15511,7 +16603,6 @@
       function setEndSelectionFromPoint(x, y, apply) {
         var i1 = textinput.selectionStart;
         var i2 = getIndexFromPoint(x, y);
-
         var start = Math.min(i1, i2);
         var end = Math.max(i1, i2);
         setSelection(start, end, !apply);
@@ -15522,7 +16613,6 @@
           x: xIn,
           y: yIn
         };
-
         out.x /= currentZoom;
         out.y /= currentZoom;
 
@@ -15549,10 +16639,8 @@
 
         out.x *= currentZoom;
         out.y *= currentZoom;
-
         return out;
       }
-
       /*
       // Not currently in use
       function hideCursor () {
@@ -15562,6 +16650,7 @@
       }
       */
 
+
       function selectAll(evt) {
         setSelection(0, curtext.textContent.length);
         $$9(this).unbind(evt);
@@ -15576,22 +16665,22 @@
             mouseX = ept.x * currentZoom,
             mouseY = ept.y * currentZoom;
         var pt = screenToPt(mouseX, mouseY);
-
         var index = getIndexFromPoint(pt.x, pt.y);
         var str = curtext.textContent;
         var first = str.substr(0, index).replace(/[a-z0-9]+$/i, '').length;
         var m = str.substr(index).match(/^[a-z0-9]+/i);
         var last = (m ? m[0].length : 0) + index;
-        setSelection(first, last);
+        setSelection(first, last); // Set tripleclick
 
-        // Set tripleclick
         $$9(evt.target).click(selectAll);
         setTimeout(function () {
           $$9(evt.target).unbind('click', selectAll);
         }, 300);
       }
 
-      return (/** @lends module:svgcanvas.SvgCanvas#textActions */{
+      return (
+        /** @lends module:svgcanvas.SvgCanvas#textActions */
+        {
           /**
           * @param {Element} target
           * @param {Float} x
@@ -15621,13 +16710,10 @@
           */
           mouseDown: function mouseDown(evt, mouseTarget, startX, startY) {
             var pt = screenToPt(startX, startY);
-
             textinput.focus();
             setCursorFromPoint(pt.x, pt.y);
             lastX = startX;
-            lastY = startY;
-
-            // TODO: Find way to block native selection
+            lastY = startY; // TODO: Find way to block native selection
           },
 
           /**
@@ -15648,10 +16734,7 @@
           */
           mouseUp: function mouseUp(evt, mouseX, mouseY) {
             var pt = screenToPt(mouseX, mouseY);
-
-            setEndSelectionFromPoint(pt.x, pt.y, true);
-
-            // TODO: Find a way to make this work: Use transformed BBox instead of evt.target
+            setEndSelectionFromPoint(pt.x, pt.y, true); // TODO: Find a way to make this work: Use transformed BBox instead of evt.target
             // if (lastX === mouseX && lastY === mouseY
             //   && !rectsIntersect(transbb, {x: pt.x, y: pt.y, width: 0, height: 0})) {
             //   textActions.toSelectMode(true);
@@ -15668,6 +16751,7 @@
           * @returns {undefined}
           */
           setCursor: setCursor,
+
           /**
           * @param {Float} x
           * @param {Float} y
@@ -15676,16 +16760,15 @@
           toEditMode: function toEditMode(x, y) {
             allowDbl = false;
             currentMode = 'textedit';
-            selectorManager.requestSelector(curtext).showGrips(false);
-            // Make selector group accept clicks
-            /* const selector = */selectorManager.requestSelector(curtext); // Do we need this? Has side effect of setting lock, so keeping for now, but next line wasn't being used
+            selectorManager.requestSelector(curtext).showGrips(false); // Make selector group accept clicks
+
+            /* const selector = */
+
+            selectorManager.requestSelector(curtext); // Do we need this? Has side effect of setting lock, so keeping for now, but next line wasn't being used
             // const sel = selector.selectorRect;
 
             textActions.init();
-
-            $$9(curtext).css('cursor', 'text');
-
-            // if (supportsEditableText()) {
+            $$9(curtext).css('cursor', 'text'); // if (supportsEditableText()) {
             //   curtext.setAttribute('editable', 'simple');
             //   return;
             // }
@@ -15711,31 +16794,31 @@
             currentMode = 'select';
             clearInterval(blinker);
             blinker = null;
+
             if (selblock) {
               $$9(selblock).attr('display', 'none');
             }
+
             if (cursor) {
               $$9(cursor).attr('visibility', 'hidden');
             }
+
             $$9(curtext).css('cursor', 'move');
 
             if (selectElem) {
               clearSelection();
               $$9(curtext).css('cursor', 'move');
-
               call('selected', [curtext]);
               addToSelection([curtext], true);
             }
+
             if (curtext && !curtext.textContent.length) {
               // No content, so delete
               canvas.deleteSelectedElements();
             }
 
             $$9(textinput).blur();
-
-            curtext = false;
-
-            // if (supportsEditableText()) {
+            curtext = false; // if (supportsEditableText()) {
             //   curtext.removeAttribute('editable');
             // }
           },
@@ -15745,8 +16828,7 @@
           * @returns {undefined}
           */
           setInputElem: function setInputElem(elem) {
-            textinput = elem;
-            // $(textinput).blur(hideCursor);
+            textinput = elem; // $(textinput).blur(hideCursor);
           },
 
           /**
@@ -15766,9 +16848,8 @@
             if (!curtext) {
               return;
             }
-            var i = void 0,
-                end = void 0;
-            // if (supportsEditableText()) {
+
+            var i, end; // if (supportsEditableText()) {
             //   curtext.select();
             //   return;
             // }
@@ -15781,21 +16862,19 @@
 
             var str = curtext.textContent;
             var len = str.length;
-
             var xform = curtext.getAttribute('transform');
-
             textbb = getBBox(curtext);
-
             matrix = xform ? getMatrix(curtext) : null;
-
             chardata = [];
             chardata.length = len;
             textinput.focus();
-
             $$9(curtext).unbind('dblclick', selectWord).dblclick(selectWord);
 
             if (!len) {
-              end = { x: textbb.x + textbb.width / 2, width: 0 };
+              end = {
+                x: textbb.x + textbb.width / 2,
+                width: 0
+              };
             }
 
             for (i = 0; i < len; i++) {
@@ -15806,24 +16885,23 @@
                 var offset = canvas.contentW * currentZoom;
                 start.x -= offset;
                 end.x -= offset;
-
                 start.x /= currentZoom;
                 end.x /= currentZoom;
-              }
-
-              // Get a "bbox" equivalent for each character. Uses the
+              } // Get a "bbox" equivalent for each character. Uses the
               // bbox data of the actual text for y, height purposes
-
               // TODO: Decide if y, width and height are actually necessary
+
+
               chardata[i] = {
                 x: start.x,
-                y: textbb.y, // start.y?
+                y: textbb.y,
+                // start.y?
                 width: end.x - start.x,
                 height: textbb.height
               };
-            }
+            } // Add a last bbox for cursor at end of text
+
 
-            // Add a last bbox for cursor at end of text
             chardata.push({
               x: end.x,
               width: 0
@@ -15833,7 +16911,6 @@
         }
       );
     }();
-
     /**
     * Group: Serialization
     */
@@ -15844,35 +16921,38 @@
     * @function module:svgcanvas.SvgCanvas#removeUnusedDefElems
     * @returns {Integer} The number of elements that were removed
     */
+
+
     var removeUnusedDefElems = this.removeUnusedDefElems = function () {
       var defs = svgcontent.getElementsByTagNameNS(NS.SVG, 'defs');
+
       if (!defs || !defs.length) {
         return 0;
-      }
+      } // if (!defs.firstChild) { return; }
 
-      // if (!defs.firstChild) { return; }
 
       var defelemUses = [];
       var numRemoved = 0;
       var attrs = ['fill', 'stroke', 'filter', 'marker-start', 'marker-mid', 'marker-end'];
       var alen = attrs.length;
-
       var allEls = svgcontent.getElementsByTagNameNS(NS.SVG, '*');
       var allLen = allEls.length;
+      var i, j;
 
-      var i = void 0,
-          j = void 0;
       for (i = 0; i < allLen; i++) {
         var el = allEls[i];
+
         for (j = 0; j < alen; j++) {
           var ref = getUrlFromAttr(el.getAttribute(attrs[j]));
+
           if (ref) {
             defelemUses.push(ref.substr(1));
           }
-        }
+        } // gradients can refer to other gradients
+
 
-        // gradients can refer to other gradients
         var href = getHref(el);
+
         if (href && href.startsWith('#')) {
           defelemUses.push(href.substr(1));
         }
@@ -15880,6 +16960,7 @@
 
       var defelems = $$9(defs).find('linearGradient, radialGradient, filter, marker, svg, symbol');
       i = defelems.length;
+
       while (i--) {
         var defelem = defelems[i];
         var id = defelem.id;
@@ -15894,52 +16975,51 @@
 
       return numRemoved;
     };
-
     /**
     * Main function to set up the SVG content for output
     * @function module:svgcanvas.SvgCanvas#svgCanvasToString
     * @returns {string} The SVG image for output
     */
+
+
     this.svgCanvasToString = function () {
       // keep calling it until there are none to remove
       while (removeUnusedDefElems() > 0) {}
 
-      pathActions$$1.clear(true);
+      pathActions$$1.clear(true); // Keep SVG-Edit comment on top
 
-      // Keep SVG-Edit comment on top
       $$9.each(svgcontent.childNodes, function (i, node) {
         if (i && node.nodeType === 8 && node.data.includes('Created with')) {
           svgcontent.firstChild.before(node);
         }
-      });
+      }); // Move out of in-group editing mode
 
-      // Move out of in-group editing mode
       if (currentGroup) {
         leaveContext();
         selectOnly([currentGroup]);
       }
 
-      var nakedSvgs = [];
+      var nakedSvgs = []; // Unwrap gsvg if it has no special attributes (only id and style)
 
-      // Unwrap gsvg if it has no special attributes (only id and style)
       $$9(svgcontent).find('g:data(gsvg)').each(function () {
         var attrs = this.attributes;
         var len = attrs.length;
+
         for (var i = 0; i < len; i++) {
           if (attrs[i].nodeName === 'id' || attrs[i].nodeName === 'style') {
             len--;
           }
-        }
-        // No significant attributes, so ungroup
+        } // No significant attributes, so ungroup
+
+
         if (len <= 0) {
           var svg = this.firstChild;
           nakedSvgs.push(svg);
           $$9(this).replaceWith(svg);
         }
       });
-      var output = this.svgToString(svgcontent, 0);
+      var output = this.svgToString(svgcontent, 0); // Rewrap gsvg
 
-      // Rewrap gsvg
       if (nakedSvgs.length) {
         $$9(nakedSvgs).each(function () {
           groupSvgElem(this);
@@ -15948,7 +17028,6 @@
 
       return output;
     };
-
     /**
     * Sub function ran on each SVG element to convert it to a string as desired
     * @function module:svgcanvas.SvgCanvas#svgToString
@@ -15956,6 +17035,8 @@
     * @param {Integer} indent - Number of spaces to indent this tag
     * @returns {string} The given element as an SVG tag
     */
+
+
     this.svgToString = function (elem, indent) {
       var out = [];
       var unit = curConfig.baseUnit;
@@ -15964,7 +17045,7 @@
       if (elem) {
         cleanupElement(elem);
         var attrs = Array.from(elem.attributes);
-        var i = void 0;
+        var i;
         var childs = elem.childNodes;
         attrs.sort(function (a, b) {
           return a.name > b.name ? -1 : 1;
@@ -15973,13 +17054,14 @@
         for (i = 0; i < indent; i++) {
           out.push(' ');
         }
-        out.push('<');out.push(elem.nodeName);
+
+        out.push('<');
+        out.push(elem.nodeName);
+
         if (elem.id === 'svgcontent') {
           // Process root element separately
           var res = getResolution();
-
-          var vb = '';
-          // TODO: Allow this by dividing all values by current baseVal
+          var vb = ''; // TODO: Allow this by dividing all values by current baseVal
           // Note that this also means we should properly deal with this on import
           // if (curConfig.baseUnit !== 'px') {
           //   const unit = curConfig.baseUnit;
@@ -15997,14 +17079,13 @@
           }
 
           out.push(' width="' + res.w + '" height="' + res.h + '"' + vb + ' xmlns="' + NS.SVG + '"');
+          var nsuris = {}; // Check elements for namespaces, add if found
 
-          var nsuris = {};
-
-          // Check elements for namespaces, add if found
           $$9(elem).find('*').andSelf().each(function () {
             // const el = this;
             // for some elements have no attribute
             var uri = this.namespaceURI;
+
             if (uri && !nsuris[uri] && nsMap[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {
               nsuris[uri] = true;
               out.push(' xmlns:' + nsMap[uri] + '="' + uri + '"');
@@ -16012,30 +17093,32 @@
 
             $$9.each(this.attributes, function (i, attr) {
               var uri = attr.namespaceURI;
+
               if (uri && !nsuris[uri] && nsMap[uri] !== 'xmlns' && nsMap[uri] !== 'xml') {
                 nsuris[uri] = true;
                 out.push(' xmlns:' + nsMap[uri] + '="' + uri + '"');
               }
             });
           });
-
           i = attrs.length;
           var attrNames = ['width', 'height', 'xmlns', 'x', 'y', 'viewBox', 'id', 'overflow'];
+
           while (i--) {
             var attr = attrs[i];
-            var attrVal = toXml(attr.value);
+            var attrVal = toXml(attr.value); // Namespaces have already been dealt with, so skip
 
-            // Namespaces have already been dealt with, so skip
             if (attr.nodeName.startsWith('xmlns:')) {
               continue;
-            }
+            } // only serialize attributes we don't use internally
+
 
-            // only serialize attributes we don't use internally
             if (attrVal !== '' && !attrNames.includes(attr.localName)) {
               if (!attr.namespaceURI || nsMap[attr.namespaceURI]) {
                 out.push(' ');
-                out.push(attr.nodeName);out.push('="');
-                out.push(attrVal);out.push('"');
+                out.push(attr.nodeName);
+                out.push('="');
+                out.push(attrVal);
+                out.push('"');
               }
             }
           }
@@ -16046,43 +17129,54 @@
           }
 
           var mozAttrs = ['-moz-math-font-style', '_moz-math-font-style'];
+
           for (i = attrs.length - 1; i >= 0; i--) {
             var _attr = attrs[i];
-            var _attrVal = toXml(_attr.value);
-            // remove bogus attributes added by Gecko
+
+            var _attrVal = toXml(_attr.value); // remove bogus attributes added by Gecko
+
+
             if (mozAttrs.includes(_attr.localName)) {
               continue;
             }
+
             if (_attrVal !== '') {
               if (_attrVal.startsWith('pointer-events')) {
                 continue;
               }
+
               if (_attr.localName === 'class' && _attrVal.startsWith('se_')) {
                 continue;
               }
+
               out.push(' ');
+
               if (_attr.localName === 'd') {
                 _attrVal = pathActions$$1.convertPath(elem, true);
               }
+
               if (!isNaN(_attrVal)) {
                 _attrVal = shortFloat(_attrVal);
               } else if (unitRe.test(_attrVal)) {
                 _attrVal = shortFloat(_attrVal) + unit;
-              }
+              } // Embed images when saving
+
 
-              // Embed images when saving
               if (saveOptions.apply && elem.nodeName === 'image' && _attr.localName === 'href' && saveOptions.images && saveOptions.images === 'embed') {
                 var img = encodableImages[_attrVal];
+
                 if (img) {
                   _attrVal = img;
                 }
-              }
-
-              // map various namespaces to our fixed namespace prefixes
+              } // map various namespaces to our fixed namespace prefixes
               // (the default xmlns attribute itself does not get a prefix)
+
+
               if (!_attr.namespaceURI || _attr.namespaceURI === NS.SVG || nsMap[_attr.namespaceURI]) {
-                out.push(_attr.nodeName);out.push('="');
-                out.push(_attrVal);out.push('"');
+                out.push(_attr.nodeName);
+                out.push('="');
+                out.push(_attrVal);
+                out.push('"');
               }
             }
           }
@@ -16095,20 +17189,25 @@
 
           for (i = 0; i < childs.length; i++) {
             var child = childs.item(i);
+
             switch (child.nodeType) {
               case 1:
                 // element node
                 out.push('\n');
                 out.push(this.svgToString(childs.item(i), indent));
                 break;
+
               case 3:
                 // text node
                 var str = child.nodeValue.replace(/^\s+|\s+$/g, '');
+
                 if (str !== '') {
                   bOneLine = true;
                   out.push(String(toXml(str)));
                 }
+
                 break;
+
               case 4:
                 // cdata node
                 out.push('\n');
@@ -16117,6 +17216,7 @@
                 out.push(child.nodeValue);
                 out.push(']]>');
                 break;
+
               case 8:
                 // comment
                 out.push('\n');
@@ -16126,19 +17226,27 @@
                 out.push('-->');
                 break;
             } // switch on node type
+
           }
+
           indent--;
+
           if (!bOneLine) {
             out.push('\n');
+
             for (i = 0; i < indent; i++) {
               out.push(' ');
             }
           }
-          out.push('</');out.push(elem.nodeName);out.push('>');
+
+          out.push('</');
+          out.push(elem.nodeName);
+          out.push('>');
         } else {
           out.push('/>');
         }
       }
+
       return out.join('');
     }; // end svgToString()
 
@@ -16148,6 +17256,7 @@
      * @param {string|false} result Data URL
      * @returns {undefined}
      */
+
     /**
     * Converts a given image file to a data URL when possible, then runs a given callback
     * @function module:svgcanvas.SvgCanvas#embedImage
@@ -16155,6 +17264,8 @@
     * @param {module:svgcanvas.ImageEmbeddedCallback} [callback] - Function to run when image data is found
     * @returns {Promise} Resolves to Data URL (string|false)
     */
+
+
     this.embedImage = function (src, callback) {
       return new Promise(function (resolve, reject) {
         // load in the image and once it's loaded, get the dimensions
@@ -16162,14 +17273,15 @@
           if (status === 'error') {
             reject(new Error('Error loading image: ' + xhr.status + ' ' + xhr.statusText));
             return;
-          }
-          // create a canvas the same size as the raster image
+          } // create a canvas the same size as the raster image
+
+
           var cvs = document.createElement('canvas');
           cvs.width = this.width;
-          cvs.height = this.height;
-          // load the raster image into the canvas
-          cvs.getContext('2d').drawImage(this, 0, 0);
-          // retrieve the data: URL
+          cvs.height = this.height; // load the raster image into the canvas
+
+          cvs.getContext('2d').drawImage(this, 0, 0); // retrieve the data: URL
+
           try {
             var urldata = ';svgedit_url=' + encodeURIComponent(src);
             urldata = cvs.toDataURL().replace(';base64', urldata + ';base64');
@@ -16177,32 +17289,36 @@
           } catch (e) {
             encodableImages[src] = false;
           }
+
           lastGoodImgUrl = src;
+
           if (callback) {
             callback(encodableImages[src]);
           }
+
           resolve(encodableImages[src]);
         }).attr('src', src);
       });
     };
-
     /**
     * Sets a given URL to be a "last good image" URL
     * @function module:svgcanvas.SvgCanvas#setGoodImage
     * @param {string} val
     * @returns {undefined}
     */
+
+
     this.setGoodImage = function (val) {
       lastGoodImgUrl = val;
     };
-
     /**
     * Does nothing by default, handled by optional widget/extension
     * @function module:svgcanvas.SvgCanvas#open
     * @returns {undefined}
     */
-    this.open = function () {};
 
+
+    this.open = function () {};
     /**
     * Serializes the current drawing into SVG XML text and passes it to the 'saved' handler.
     * This function also includes the XML prolog. Clients of the `SvgCanvas` bind their save
@@ -16212,40 +17328,40 @@
     * @fires module:svgcanvas.SvgCanvas#event:saved
     * @returns {undefined}
     */
+
+
     this.save = function (opts) {
       // remove the selected outline before serializing
-      clearSelection();
-      // Update save options if provided
+      clearSelection(); // Update save options if provided
+
       if (opts) {
         $$9.extend(saveOptions, opts);
       }
-      saveOptions.apply = true;
 
-      // no need for doctype, see https://jwatt.org/svg/authoring/#doctype-declaration
+      saveOptions.apply = true; // no need for doctype, see https://jwatt.org/svg/authoring/#doctype-declaration
+
       var str = this.svgCanvasToString();
       call('saved', str);
     };
-
     /**
     * Codes only is useful for locale-independent detection
     */
+
+
     function getIssues() {
       // remove the selected outline before serializing
-      clearSelection();
+      clearSelection(); // Check for known CanVG issues
 
-      // Check for known CanVG issues
       var issues = [];
-      var issueCodes = [];
+      var issueCodes = []; // Selector and notice
 
-      // Selector and notice
       var issueList = {
         feGaussianBlur: uiStrings.exportNoBlur,
         foreignObject: uiStrings.exportNoforeignObject,
         '[stroke-dasharray]': uiStrings.exportNoDashArray
       };
-      var content = $$9(svgcontent);
+      var content = $$9(svgcontent); // Add font/text check if Canvas Text API is not implemented
 
-      // Add font/text check if Canvas Text API is not implemented
       if (!('font' in $$9('<canvas>')[0].getContext('2d'))) {
         issueList.text = uiStrings.exportNoText;
       }
@@ -16256,13 +17372,17 @@
           issues.push(descr);
         }
       });
-      return { issues: issues, issueCodes: issueCodes };
+      return {
+        issues: issues,
+        issueCodes: issueCodes
+      };
     }
 
-    var canvg = void 0;
+    var canvg;
     /**
     * @typedef {"feGaussianBlur"|"foreignObject"|"[stroke-dasharray]"|"text"} module:svgcanvas.IssueCode
     */
+
     /**
     * @typedef {PlainObject} module:svgcanvas.ImageExportedResults
     * @property {string} datauri Contents as a Data URL
@@ -16282,6 +17402,7 @@
      * @param {module:svgcanvas.ImageExportedResults} obj
      * @returns {undefined}
      */
+
     /**
     * Generates a PNG (or JPG, BMP, WEBP) Data URL based on the current image,
     * then calls "exported" with an object including the string, image
@@ -16295,9 +17416,8 @@
     * @todo Confirm/fix ICO type
     * @returns {Promise} Resolves to {@link module:svgcanvas.ImageExportedResults}
     */
-    this.rasterExport = function (imgType, quality, exportWindowName, cb) {
-      var _this = this;
 
+    this.rasterExport = function (imgType, quality, exportWindowName, cb) {
       var type = imgType === 'ICO' ? 'BMP' : imgType || 'PNG';
       var mimeType = 'image/' + type.toLowerCase();
 
@@ -16306,24 +17426,36 @@
           issueCodes = _getIssues.issueCodes;
 
       var svg = this.svgCanvasToString();
-
-      return new Promise(function () {
-        var _ref4 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(resolve, reject) {
+      return new Promise(
+      /*#__PURE__*/
+      function () {
+        var _ref4 = _asyncToGenerator(
+        /*#__PURE__*/
+        regeneratorRuntime.mark(function _callee2(resolve, reject) {
           var _ref5, c, dataURLType, datauri, bloburl, done;
 
           return regeneratorRuntime.wrap(function _callee2$(_context2) {
             while (1) {
               switch (_context2.prev = _context2.next) {
                 case 0:
-                  done = function done() {
+                  done = function _ref6() {
                     var obj = {
-                      datauri: datauri, bloburl: bloburl, svg: svg, issues: issues, issueCodes: issueCodes, type: imgType,
-                      mimeType: mimeType, quality: quality, exportWindowName: exportWindowName
+                      datauri: datauri,
+                      bloburl: bloburl,
+                      svg: svg,
+                      issues: issues,
+                      issueCodes: issueCodes,
+                      type: imgType,
+                      mimeType: mimeType,
+                      quality: quality,
+                      exportWindowName: exportWindowName
                     };
                     call('exported', obj);
+
                     if (cb) {
                       cb(obj);
                     }
+
                     resolve(obj);
                   };
 
@@ -16343,23 +17475,23 @@
 
                 case 6:
                   if (!$$9('#export_canvas').length) {
-                    $$9('<canvas>', { id: 'export_canvas' }).hide().appendTo('body');
+                    $$9('<canvas>', {
+                      id: 'export_canvas'
+                    }).hide().appendTo('body');
                   }
-                  c = $$9('#export_canvas')[0];
 
+                  c = $$9('#export_canvas')[0];
                   c.width = canvas.contentW;
                   c.height = canvas.contentH;
-
                   _context2.next = 12;
                   return canvg(c, svg);
 
                 case 12:
                   dataURLType = type.toLowerCase();
                   datauri = quality ? c.toDataURL('image/' + dataURLType, quality) : c.toDataURL('image/' + dataURLType);
-                  bloburl = void 0;
 
                   if (!c.toBlob) {
-                    _context2.next = 18;
+                    _context2.next = 17;
                     break;
                   }
 
@@ -16367,18 +17499,18 @@
                     bloburl = createObjectURL(blob);
                     done();
                   }, mimeType, quality);
-                  return _context2.abrupt('return');
+                  return _context2.abrupt("return");
 
-                case 18:
+                case 17:
                   bloburl = dataURLToObjectURL(datauri);
                   done();
 
-                case 20:
-                case 'end':
+                case 19:
+                case "end":
                   return _context2.stop();
               }
             }
-          }, _callee2, _this);
+          }, _callee2, this);
         }));
 
         return function (_x4, _x5) {
@@ -16389,10 +17521,12 @@
     /**
      * @external jsPDF
      */
+
     /**
      * @typedef {undefined|"save"|"arraybuffer"|"blob"|"datauristring"|"dataurlstring"|"dataurlnewwindow"|"datauri"|"dataurl"} external:jsPDF.OutputType
      * @todo Newer version to add also allows these `outputType` values "bloburi"|"bloburl" which return strings, so document here and for `outputType` of `module:svgcanvas.PDFExportedResults` below if added
     */
+
     /**
     * @typedef {PlainObject} module:svgcanvas.PDFExportedResults
     * @property {string} svg The SVG PDF output
@@ -16418,6 +17552,7 @@
      * @param {module:svgcanvas.PDFExportedResults} obj
      * @returns {undefined}
      */
+
     /**
     * Generates a PDF based on the current image, then calls "exportedPDF" with
     * an object including the string, the data URL, and any issues found
@@ -16428,12 +17563,16 @@
     * @fires module:svgcanvas.SvgCanvas#event:exportedPDF
     * @returns {Promise} Resolves to {@link module:svgcanvas.PDFExportedResults}
     */
-    this.exportPDF = function (exportWindowName, outputType, cb) {
-      var _this2 = this;
 
+
+    this.exportPDF = function (exportWindowName, outputType, cb) {
       var that = this;
-      return new Promise(function () {
-        var _ref6 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee3(resolve, reject) {
+      return new Promise(
+      /*#__PURE__*/
+      function () {
+        var _ref7 = _asyncToGenerator(
+        /*#__PURE__*/
+        regeneratorRuntime.mark(function _callee3(resolve, reject) {
           var modularVersion, res, orientation, unit, doc, docTitle, _getIssues2, issues, issueCodes, svg, obj;
 
           return regeneratorRuntime.wrap(function _callee3$(_context3) {
@@ -16446,14 +17585,12 @@
                   }
 
                   _context3.next = 3;
-                  return importScript([
-                  // We do not currently have these paths configurable as they are
+                  return importScript([// We do not currently have these paths configurable as they are
                   //   currently global-only, so not Rolled-up
                   'jspdf/underscore-min.js', 'jspdf/jspdf.min.js']);
 
                 case 3:
-                  modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false;
-                  // Todo: Switch to `import()` when widely supported and available (also allow customization of path)
+                  modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false; // Todo: Switch to `import()` when widely supported and available (also allow customization of path)
 
                   _context3.next = 6;
                   return importScript(curConfig.jspdfPath + 'jspdf.plugin.svgToPdf.js', {
@@ -16464,67 +17601,72 @@
                   res = getResolution();
                   orientation = res.w > res.h ? 'landscape' : 'portrait';
                   unit = 'pt'; // curConfig.baseUnit; // We could use baseUnit, but that is presumably not intended for export purposes
-
                   // Todo: Give options to use predefined jsPDF formats like "a4", etc. from pull-down (with option to keep customizable)
 
                   doc = jsPDF({
                     orientation: orientation,
                     unit: unit,
-                    format: [res.w, res.h]
-                    // , compressPdf: true
+                    format: [res.w, res.h] // , compressPdf: true
+
                   });
                   docTitle = getDocumentTitle();
-
                   doc.setProperties({
-                    title: docTitle /* ,
-                                    subject: '',
-                                    author: '',
-                                    keywords: '',
-                                    creator: '' */
+                    title: docTitle
+                    /* ,
+                    subject: '',
+                    author: '',
+                    keywords: '',
+                    creator: '' */
+
                   });
                   _getIssues2 = getIssues(), issues = _getIssues2.issues, issueCodes = _getIssues2.issueCodes;
                   svg = that.svgCanvasToString();
-
-                  doc.addSVG(svg, 0, 0);
-
-                  // doc.output('save'); // Works to open in a new
+                  doc.addSVG(svg, 0, 0); // doc.output('save'); // Works to open in a new
                   //  window; todo: configure this and other export
                   //  options to optionally work in this manner as
                   //  opposed to opening a new tab
-                  outputType = outputType || 'dataurlstring';
-                  obj = { svg: svg, issues: issues, issueCodes: issueCodes, exportWindowName: exportWindowName, outputType: outputType };
 
+                  outputType = outputType || 'dataurlstring';
+                  obj = {
+                    svg: svg,
+                    issues: issues,
+                    issueCodes: issueCodes,
+                    exportWindowName: exportWindowName,
+                    outputType: outputType
+                  };
                   obj.output = doc.output(outputType, outputType === 'save' ? exportWindowName || 'svg.pdf' : undefined);
+
                   if (cb) {
                     cb(obj);
                   }
+
                   resolve(obj);
                   call('exportedPDF', obj);
 
                 case 21:
-                case 'end':
+                case "end":
                   return _context3.stop();
               }
             }
-          }, _callee3, _this2);
+          }, _callee3, this);
         }));
 
         return function (_x6, _x7) {
-          return _ref6.apply(this, arguments);
+          return _ref7.apply(this, arguments);
         };
       }());
     };
-
     /**
     * Returns the current drawing as raw SVG XML text.
     * @function module:svgcanvas.SvgCanvas#getSvgString
     * @returns {string} The current drawing as raw SVG XML text.
     */
+
+
     this.getSvgString = function () {
       saveOptions.apply = false;
       return this.svgCanvasToString();
     };
-
     /**
     * This function determines whether to use a nonce in the prefix, when
     * generating IDs for future documents in SVG-Edit.
@@ -16535,6 +17677,8 @@
     * `svgCanvas.randomizeIds() <==> svgCanvas.randomizeIds(true)`
     * @returns {undefined}
     */
+
+
     this.randomizeIds = function (enableRandomization) {
       if (arguments.length > 0 && enableRandomization === false) {
         randomizeIds(false, getCurrentDrawing());
@@ -16542,16 +17686,16 @@
         randomizeIds(true, getCurrentDrawing());
       }
     };
-
     /**
     * Ensure each element has a unique ID
     * @function module:svgcanvas.SvgCanvas#uniquifyElems
     * @param {Element} g - The parent element of the tree to give unique IDs
     * @returns {undefined}
     */
+
+
     var uniquifyElems = this.uniquifyElems = function (g) {
-      var ids = {};
-      // TODO: Handle markers and connectors. These are not yet re-identified properly
+      var ids = {}; // TODO: Handle markers and connectors. These are not yet re-identified properly
       // as their referring elements do not get remapped.
       //
       // <marker id='se_marker_end_svg_7'/>
@@ -16559,8 +17703,8 @@
       //
       // Problem #1: if svg_1 gets renamed, we do not update the polyline's se:connector attribute
       // Problem #2: if the polyline svg_7 gets renamed, we do not update the marker id nor the polyline's marker-end attribute
-      var refElems = ['filter', 'linearGradient', 'pattern', 'radialGradient', 'symbol', 'textPath', 'use'];
 
+      var refElems = ['filter', 'linearGradient', 'pattern', 'radialGradient', 'symbol', 'textPath', 'use'];
       walkTree(g, function (n) {
         // if it's an element node
         if (n.nodeType === 1) {
@@ -16569,70 +17713,86 @@
             // and we haven't tracked this ID yet
             if (!(n.id in ids)) {
               // add this id to our map
-              ids[n.id] = { elem: null, attrs: [], hrefs: [] };
+              ids[n.id] = {
+                elem: null,
+                attrs: [],
+                hrefs: []
+              };
             }
-            ids[n.id].elem = n;
-          }
 
-          // now search for all attributes on this element that might refer
+            ids[n.id].elem = n;
+          } // now search for all attributes on this element that might refer
           // to other elements
+
+
           $$9.each(refAttrs, function (i, attr) {
             var attrnode = n.getAttributeNode(attr);
+
             if (attrnode) {
               // the incoming file has been sanitized, so we should be able to safely just strip off the leading #
               var url = getUrlFromAttr(attrnode.value),
                   refid = url ? url.substr(1) : null;
+
               if (refid) {
                 if (!(refid in ids)) {
                   // add this id to our map
-                  ids[refid] = { elem: null, attrs: [], hrefs: [] };
+                  ids[refid] = {
+                    elem: null,
+                    attrs: [],
+                    hrefs: []
+                  };
                 }
+
                 ids[refid].attrs.push(attrnode);
               }
             }
-          });
+          }); // check xlink:href now
+
+          var href = getHref(n); // TODO: what if an <image> or <a> element refers to an element internally?
 
-          // check xlink:href now
-          var href = getHref(n);
-          // TODO: what if an <image> or <a> element refers to an element internally?
           if (href && refElems.includes(n.nodeName)) {
             var refid = href.substr(1);
+
             if (refid) {
               if (!(refid in ids)) {
                 // add this id to our map
-                ids[refid] = { elem: null, attrs: [], hrefs: [] };
+                ids[refid] = {
+                  elem: null,
+                  attrs: [],
+                  hrefs: []
+                };
               }
+
               ids[refid].hrefs.push(n);
             }
           }
         }
-      });
+      }); // in ids, we now have a map of ids, elements and attributes, let's re-identify
 
-      // in ids, we now have a map of ids, elements and attributes, let's re-identify
       for (var oldid in ids) {
         if (!oldid) {
           continue;
         }
+
         var elem = ids[oldid].elem;
 
         if (elem) {
-          var newid = getNextId();
+          var newid = getNextId(); // assign element its new id
 
-          // assign element its new id
-          elem.id = newid;
+          elem.id = newid; // remap all url() attributes
 
-          // remap all url() attributes
           var attrs = ids[oldid].attrs;
-
           var j = attrs.length;
+
           while (j--) {
             var attr = attrs[j];
             attr.ownerElement.setAttribute(attr.name, 'url(#' + newid + ')');
-          }
+          } // remap all href attributes
+
 
-          // remap all href attributes
           var hreffers = ids[oldid].hrefs;
           var k = hreffers.length;
+
           while (k--) {
             var hreffer = hreffers[k];
             setHref(hreffer, '#' + newid);
@@ -16640,13 +17800,14 @@
         }
       }
     };
-
     /**
     * Assigns reference data for each use element
     * @function module:svgcanvas.SvgCanvas#setUseData
     * @param {Element} parent
     * @returns {undefined}
     */
+
+
     var setUseData = this.setUseData = function (parent) {
       var elems = $$9(parent);
 
@@ -16657,24 +17818,29 @@
       elems.each(function () {
         var id = getHref(this).substr(1);
         var refElem = getElem(id);
+
         if (!refElem) {
           return;
         }
+
         $$9(this).data('ref', refElem);
+
         if (refElem.tagName === 'symbol' || refElem.tagName === 'svg') {
           $$9(this).data('symbol', refElem).data('ref', refElem);
         }
       });
     };
-
     /**
     * Converts gradients from userSpaceOnUse to objectBoundingBox
     * @function module:svgcanvas.SvgCanvas#convertGradients
     * @param {Element} elem
     * @returns {undefined}
     */
+
+
     var convertGradients = this.convertGradients = function (elem) {
       var elems = $$9(elem).find('linearGradient, radialGradient');
+
       if (!elems.length && isWebkit()) {
         // Bug in webkit prevents regular *Gradient selector search
         elems = $$9(elem).find('*').filter(function () {
@@ -16684,32 +17850,32 @@
 
       elems.each(function () {
         var grad = this;
+
         if ($$9(grad).attr('gradientUnits') === 'userSpaceOnUse') {
           // TODO: Support more than one element with this ref by duplicating parent grad
           var _elems = $$9(svgcontent).find('[fill="url(#' + grad.id + ')"],[stroke="url(#' + grad.id + ')"]');
+
           if (!_elems.length) {
             return;
-          }
+          } // get object's bounding box
 
-          // get object's bounding box
-          var bb = getBBox(_elems[0]);
 
-          // This will occur if the element is inside a <defs> or a <symbol>,
+          var bb = getBBox(_elems[0]); // This will occur if the element is inside a <defs> or a <symbol>,
           // in which we shouldn't need to convert anyway.
+
           if (!bb) {
             return;
           }
 
           if (grad.tagName === 'linearGradient') {
-            var gCoords = $$9(grad).attr(['x1', 'y1', 'x2', 'y2']);
+            var gCoords = $$9(grad).attr(['x1', 'y1', 'x2', 'y2']); // If has transform, convert
 
-            // If has transform, convert
             var tlist = grad.gradientTransform.baseVal;
+
             if (tlist && tlist.numberOfItems > 0) {
               var m = transformListToTransform(tlist).matrix;
               var pt1 = transformPoint(gCoords.x1, gCoords.y1, m);
               var pt2 = transformPoint(gCoords.x2, gCoords.y2, m);
-
               gCoords.x1 = pt1.x;
               gCoords.y1 = pt1.y;
               gCoords.x2 = pt2.x;
@@ -16724,8 +17890,7 @@
               y2: (gCoords.y2 - bb.y) / bb.height
             });
             grad.removeAttribute('gradientUnits');
-          }
-          // else {
+          } // else {
           //   Note: radialGradient elements cannot be easily converted
           //   because userSpaceOnUse will keep circular gradients, while
           //   objectBoundingBox will x/y scale the gradient according to
@@ -16745,10 +17910,10 @@
           //
           //   grad.removeAttribute('gradientUnits');
           // }
+
         }
       });
     };
-
     /**
     * Converts selected/given `<use>` or child SVG element to a group
     * @function module:svgcanvas.SvgCanvas#convertToGroup
@@ -16756,22 +17921,23 @@
     * @fires module:svgcanvas.SvgCanvas#event:selected
     * @returns {undefined}
     */
+
+
     var convertToGroup = this.convertToGroup = function (elem) {
       if (!elem) {
         elem = selectedElements[0];
       }
+
       var $elem = $$9(elem);
       var batchCmd = new BatchCommand$1();
-      var ts = void 0;
+      var ts;
 
       if ($elem.data('gsvg')) {
         // Use the gsvg as the new group
         var svg = elem.firstChild;
         var pt = $$9(svg).attr(['x', 'y']);
-
         $$9(elem.firstChild.firstChild).unwrap();
         $$9(elem).removeData('gsvg');
-
         var tlist = getTransformList(elem);
         var xform = svgroot.createSVGTransform();
         xform.setTranslate(pt.x, pt.y);
@@ -16780,39 +17946,33 @@
         call('selected', [elem]);
       } else if ($elem.data('symbol')) {
         elem = $elem.data('symbol');
-
         ts = $elem.attr('transform');
         var pos = $elem.attr(['x', 'y']);
-
         var vb = elem.getAttribute('viewBox');
 
         if (vb) {
           var nums = vb.split(' ');
           pos.x -= +nums[0];
           pos.y -= +nums[1];
-        }
+        } // Not ideal, but works
+
 
-        // Not ideal, but works
         ts += ' translate(' + (pos.x || 0) + ',' + (pos.y || 0) + ')';
+        var prev = $elem.prev(); // Remove <use> element
 
-        var prev = $elem.prev();
-
-        // Remove <use> element
         batchCmd.addSubCommand(new RemoveElementCommand$1($elem[0], $elem[0].nextSibling, $elem[0].parentNode));
-        $elem.remove();
+        $elem.remove(); // See if other elements reference this symbol
 
-        // See if other elements reference this symbol
         var hasMore = $$9(svgcontent).find('use:data(symbol)').length;
-
         var g = svgdoc.createElementNS(NS.SVG, 'g');
         var childs = elem.childNodes;
+        var i;
 
-        var i = void 0;
         for (i = 0; i < childs.length; i++) {
           g.append(childs[i].cloneNode(true));
-        }
+        } // Duplicate the gradients for Gecko, since they weren't included in the <symbol>
+
 
-        // Duplicate the gradients for Gecko, since they weren't included in the <symbol>
         if (isGecko()) {
           var dupeGrads = $$9(findDefs()).children('linearGradient,radialGradient,pattern').clone();
           $$9(g).append(dupeGrads);
@@ -16823,17 +17983,14 @@
         }
 
         var parent = elem.parentNode;
+        uniquifyElems(g); // Put the dupe gradients back into <defs> (after uniquifying them)
 
-        uniquifyElems(g);
-
-        // Put the dupe gradients back into <defs> (after uniquifying them)
         if (isGecko()) {
           $$9(findDefs()).append($$9(g).find('linearGradient,radialGradient,pattern'));
-        }
+        } // now give the g itself a new id
+
 
-        // now give the g itself a new id
         g.id = getNextId();
-
         prev.after(g);
 
         if (parent) {
@@ -16841,10 +17998,10 @@
             // remove symbol/svg element
             var _elem = elem,
                 nextSibling = _elem.nextSibling;
-
             elem.remove();
             batchCmd.addSubCommand(new RemoveElementCommand$1(elem, nextSibling, parent));
           }
+
           batchCmd.addSubCommand(new InsertElementCommand$1(g));
         }
 
@@ -16854,28 +18011,26 @@
           convertGradients(findDefs());
         } else {
           convertGradients(g);
-        }
-
-        // recalculate dimensions on the top-level children so that unnecessary transforms
+        } // recalculate dimensions on the top-level children so that unnecessary transforms
         // are removed
+
+
         walkTreePost(g, function (n) {
           try {
             recalculateDimensions(n);
           } catch (e) {
             console.log(e);
           }
-        });
+        }); // Give ID for any visible element missing one
 
-        // Give ID for any visible element missing one
         $$9(g).find(visElems).each(function () {
           if (!this.id) {
             this.id = getNextId();
           }
         });
-
         selectOnly([g]);
-
         var cm = pushGroupProperties(g, true);
+
         if (cm) {
           batchCmd.addSubCommand(cm);
         }
@@ -16885,7 +18040,6 @@
         console.log('Unexpected element to ungroup:', elem);
       }
     };
-
     /**
     * This function sets the current drawing as the input SVG XML.
     * @function module:svgcanvas.SvgCanvas#setSvgString
@@ -16899,27 +18053,26 @@
     * @returns {boolean} This function returns `false` if the set was
     *     unsuccessful, `true` otherwise.
     */
+
+
     this.setSvgString = function (xmlString, preventUndo) {
       try {
         // convert string into XML document
         var newDoc = text2xml(xmlString);
+
         if (newDoc.firstElementChild && newDoc.firstElementChild.namespaceURI !== NS.SVG) {
           return false;
         }
 
         this.prepareSvg(newDoc);
+        var batchCmd = new BatchCommand$1('Change Source'); // remove old svg document
 
-        var batchCmd = new BatchCommand$1('Change Source');
-
-        // remove old svg document
         var _svgcontent = svgcontent,
             nextSibling = _svgcontent.nextSibling;
-
         var oldzoom = svgroot.removeChild(svgcontent);
-        batchCmd.addSubCommand(new RemoveElementCommand$1(oldzoom, nextSibling, svgroot));
-
-        // set new svg document
+        batchCmd.addSubCommand(new RemoveElementCommand$1(oldzoom, nextSibling, svgroot)); // set new svg document
         // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()
+
         if (svgdoc.adoptNode) {
           svgcontent = svgdoc.adoptNode(newDoc.documentElement);
         } else {
@@ -16928,82 +18081,76 @@
 
         svgroot.append(svgcontent);
         var content = $$9(svgcontent);
+        canvas.current_drawing_ = new Drawing(svgcontent, idprefix); // retrieve or set the nonce
 
-        canvas.current_drawing_ = new Drawing(svgcontent, idprefix);
-
-        // retrieve or set the nonce
         var nonce = getCurrentDrawing().getNonce();
+
         if (nonce) {
           call('setnonce', nonce);
         } else {
           call('unsetnonce');
-        }
+        } // change image href vals if possible
+
 
-        // change image href vals if possible
         content.find('image').each(function () {
           var image = this;
           preventClickDefault(image);
           var val = getHref(this);
+
           if (val) {
             if (val.startsWith('data:')) {
               // Check if an SVG-edit data URI
               var m = val.match(/svgedit_url=(.*?);/);
+
               if (m) {
                 var url = decodeURIComponent(m[1]);
                 $$9(new Image()).load(function () {
                   image.setAttributeNS(NS.XLINK, 'xlink:href', url);
                 }).attr('src', url);
               }
-            }
-            // Add to encodableImages if it loads
+            } // Add to encodableImages if it loads
+
+
             canvas.embedImage(val);
           }
-        });
+        }); // Wrap child SVGs in group elements
 
-        // Wrap child SVGs in group elements
         content.find('svg').each(function () {
           // Skip if it's in a <defs>
           if ($$9(this).closest('defs').length) {
             return;
           }
 
-          uniquifyElems(this);
+          uniquifyElems(this); // Check if it already has a gsvg group
 
-          // Check if it already has a gsvg group
           var pa = this.parentNode;
+
           if (pa.childNodes.length === 1 && pa.nodeName === 'g') {
             $$9(pa).data('gsvg', this);
             pa.id = pa.id || getNextId();
           } else {
             groupSvgElem(this);
           }
-        });
+        }); // For Firefox: Put all paint elems in defs
 
-        // For Firefox: Put all paint elems in defs
         if (isGecko()) {
           content.find('linearGradient, radialGradient, pattern').appendTo(findDefs());
-        }
-
-        // Set ref element for <use> elements
-
+        } // Set ref element for <use> elements
         // TODO: This should also be done if the object is re-added through "redo"
+
+
         setUseData(content);
-
         convertGradients(content[0]);
-
         var attrs = {
           id: 'svgcontent',
           overflow: curConfig.show_outside_canvas ? 'visible' : 'hidden'
         };
+        var percs = false; // determine proper size
 
-        var percs = false;
-
-        // determine proper size
         if (content.attr('viewBox')) {
           var vb = content.attr('viewBox').split(' ');
           attrs.width = vb[2];
-          attrs.height = vb[3];
-          // handle content that doesn't have a viewBox
+          attrs.height = vb[3]; // handle content that doesn't have a viewBox
         } else {
           $$9.each(['width', 'height'], function (i, dim) {
             // Set to 100 if not given
@@ -17016,30 +18163,29 @@
               attrs[dim] = convertToNum(dim, val);
             }
           });
-        }
+        } // identify layers
 
-        // identify layers
-        identifyLayers();
 
-        // Give ID for any visible layer children missing one
+        identifyLayers(); // Give ID for any visible layer children missing one
+
         content.children().find(visElems).each(function () {
           if (!this.id) {
             this.id = getNextId();
           }
-        });
+        }); // Percentage width/height, so let's base it on visible elements
 
-        // Percentage width/height, so let's base it on visible elements
         if (percs) {
           var bb = getStrokedBBoxDefaultVisible();
           attrs.width = bb.width + bb.x;
           attrs.height = bb.height + bb.y;
-        }
-
-        // Just in case negative numbers are given or
+        } // Just in case negative numbers are given or
         // result from the percs calculation
+
+
         if (attrs.width <= 0) {
           attrs.width = 100;
         }
+
         if (attrs.height <= 0) {
           attrs.height = 100;
         }
@@ -17047,21 +18193,17 @@
         content.attr(attrs);
         this.contentW = attrs.width;
         this.contentH = attrs.height;
+        batchCmd.addSubCommand(new InsertElementCommand$1(svgcontent)); // update root to the correct size
 
-        batchCmd.addSubCommand(new InsertElementCommand$1(svgcontent));
-        // update root to the correct size
         var changes = content.attr(['width', 'height']);
-        batchCmd.addSubCommand(new ChangeElementCommand$1(svgroot, changes));
+        batchCmd.addSubCommand(new ChangeElementCommand$1(svgroot, changes)); // reset zoom
 
-        // reset zoom
-        currentZoom = 1;
+        currentZoom = 1; // reset transform lists
 
-        // reset transform lists
         resetListMap();
         clearSelection();
         clearData();
         svgroot.append(selectorManager.selectorParentGroup);
-
         if (!preventUndo) addCommandToHistory(batchCmd);
         call('changed', [svgcontent]);
       } catch (e) {
@@ -17071,7 +18213,6 @@
 
       return true;
     };
-
     /**
     * This function imports the input SVG XML as a `<symbol>` in the `<defs>`, then adds a
     * `<use>` to the current layer.
@@ -17086,16 +18227,16 @@
     * arbitrary transform lists, but makes some assumptions about how the transform list
     * was obtained
     */
+
+
     this.importSvgString = function (xmlString) {
-      var j = void 0,
-          ts = void 0,
-          useEl = void 0;
+      var j, ts, useEl;
+
       try {
         // Get unique ID
         var uid = encode64(xmlString.length + xmlString).substr(0, 32);
+        var useExisting = false; // Look for symbol and make sure symbol exists in image
 
-        var useExisting = false;
-        // Look for symbol and make sure symbol exists in image
         if (importIds[uid]) {
           if ($$9(importIds[uid].symbol).parents('#svgroot').length) {
             useExisting = true;
@@ -17103,20 +18244,18 @@
         }
 
         var batchCmd = new BatchCommand$1('Import Image');
-        var symbol = void 0;
+        var symbol;
+
         if (useExisting) {
           symbol = importIds[uid].symbol;
-
           ts = importIds[uid].xform;
         } else {
           // convert string into XML document
           var newDoc = text2xml(xmlString);
+          this.prepareSvg(newDoc); // import new svg document into our document
 
-          this.prepareSvg(newDoc);
+          var svg; // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()
 
-          // import new svg document into our document
-          var svg = void 0;
-          // If DOM3 adoptNode() available, use it. Otherwise fall back to DOM2 importNode()
           if (svgdoc.adoptNode) {
             svg = svgdoc.adoptNode(newDoc.documentElement);
           } else {
@@ -17124,31 +18263,28 @@
           }
 
           uniquifyElems(svg);
-
           var innerw = convertToNum('width', svg.getAttribute('width')),
               innerh = convertToNum('height', svg.getAttribute('height')),
               innervb = svg.getAttribute('viewBox'),
-
-          // if no explicit viewbox, create one out of the width and height
+              // if no explicit viewbox, create one out of the width and height
           vb = innervb ? innervb.split(' ') : [0, 0, innerw, innerh];
+
           for (j = 0; j < 4; ++j) {
             vb[j] = +vb[j];
-          }
+          } // TODO: properly handle preserveAspectRatio
+
 
-          // TODO: properly handle preserveAspectRatio
           var // canvasw = +svgcontent.getAttribute('width'),
-          canvash = +svgcontent.getAttribute('height');
-          // imported content should be 1/3 of the canvas on its largest dimension
+          canvash = +svgcontent.getAttribute('height'); // imported content should be 1/3 of the canvas on its largest dimension
 
           if (innerh > innerw) {
             ts = 'scale(' + canvash / 3 / vb[3] + ')';
           } else {
             ts = 'scale(' + canvash / 3 / vb[2] + ')';
-          }
+          } // Hack to make recalculateDimensions understand how to scale
+
 
-          // Hack to make recalculateDimensions understand how to scale
           ts = 'translate(0) ' + ts + ' translate(0)';
-
           symbol = svgdoc.createElementNS(NS.SVG, 'symbol');
           var defs = findDefs();
 
@@ -17163,19 +18299,20 @@
             var first = svg.firstChild;
             symbol.append(first);
           }
+
           var attrs = svg.attributes;
+
           for (var i = 0; i < attrs.length; i++) {
             var attr = attrs[i];
             symbol.setAttribute(attr.nodeName, attr.value);
           }
-          symbol.id = getNextId();
 
-          // Store data
+          symbol.id = getNextId(); // Store data
+
           importIds[uid] = {
             symbol: symbol,
             xform: ts
           };
-
           findDefs().append(symbol);
           batchCmd.addSubCommand(new InsertElementCommand$1(symbol));
         }
@@ -17183,33 +18320,30 @@
         useEl = svgdoc.createElementNS(NS.SVG, 'use');
         useEl.id = getNextId();
         setHref(useEl, '#' + symbol.id);
-
         (currentGroup || getCurrentDrawing().getCurrentLayer()).append(useEl);
         batchCmd.addSubCommand(new InsertElementCommand$1(useEl));
         clearSelection();
-
         useEl.setAttribute('transform', ts);
         recalculateDimensions(useEl);
         $$9(useEl).data('symbol', symbol).data('ref', symbol);
-        addToSelection([useEl]);
-
-        // TODO: Find way to add this in a recalculateDimensions-parsable way
+        addToSelection([useEl]); // TODO: Find way to add this in a recalculateDimensions-parsable way
         // if (vb[0] !== 0 || vb[1] !== 0) {
         //   ts = 'translate(' + (-vb[0]) + ',' + (-vb[1]) + ') ' + ts;
         // }
+
         addCommandToHistory(batchCmd);
         call('changed', [svgcontent]);
       } catch (e) {
         console.log(e);
         return null;
-      }
+      } // we want to return the element so we can automatically select it
+
 
-      // we want to return the element so we can automatically select it
       return useEl;
-    };
-
-    // Could deprecate, but besides external uses, their usage makes clear that
+    }; // Could deprecate, but besides external uses, their usage makes clear that
     //  canvas is a dependency for all of these
+
+
     ['identifyLayers', 'createLayer', 'cloneLayer', 'deleteCurrentLayer', 'setCurrentLayer', 'renameCurrentLayer', 'setCurrentLayerPosition', 'setLayerVisibility', 'moveSelectedToLayer', 'mergeLayer', 'mergeAllLayers', 'leaveContext', 'setContext'].forEach(function (prop) {
       canvas[prop] = draw[prop];
     });
@@ -17225,7 +18359,6 @@
       setCurrentGroup: function setCurrentGroup(cg) {
         currentGroup = cg;
       },
-
       getSelectedElements: getSelectedElements,
       getSVGContent: getSVGContent,
       undoMgr: undoMgr,
@@ -17234,6 +18367,7 @@
       clearSelection: clearSelection,
       call: call,
       addCommandToHistory: addCommandToHistory,
+
       /**
        * @fires module:svgcanvas.SvgCanvas#event:changed
        * @returns {undefined}
@@ -17242,7 +18376,6 @@
         call('changed', [svgcontent]);
       }
     });
-
     /**
     * Group: Document functions
     */
@@ -17253,51 +18386,44 @@
     * @fires module:svgcanvas.SvgCanvas#event:cleared
     * @returns {undefined}
     */
+
     this.clear = function () {
       pathActions$$1.clear();
+      clearSelection(); // clear the svgcontent node
 
-      clearSelection();
+      canvas.clearSvgContentElement(); // create new document
 
-      // clear the svgcontent node
-      canvas.clearSvgContentElement();
+      canvas.current_drawing_ = new Drawing(svgcontent); // create empty first layer
 
-      // create new document
-      canvas.current_drawing_ = new Drawing(svgcontent);
+      canvas.createLayer('Layer 1'); // clear the undo stack
 
-      // create empty first layer
-      canvas.createLayer('Layer 1');
+      canvas.undoMgr.resetUndoStack(); // reset the selector manager
 
-      // clear the undo stack
-      canvas.undoMgr.resetUndoStack();
+      selectorManager.initGroup(); // reset the rubber band box
 
-      // reset the selector manager
-      selectorManager.initGroup();
-
-      // reset the rubber band box
       rubberBox = selectorManager.getRubberBandBox();
-
       call('cleared');
-    };
+    }; // Alias function
+
 
-    // Alias function
     this.linkControlPoints = pathActions$$1.linkControlPoints;
-
     /**
     * @function module:svgcanvas.SvgCanvas#getContentElem
     * @returns {Element} The content DOM element
     */
+
     this.getContentElem = function () {
       return svgcontent;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getRootElem
     * @returns {SVGSVGElement} The root DOM element
     */
+
+
     this.getRootElem = function () {
       return svgroot;
     };
-
     /**
     * @typedef {PlainObject} DimensionsAndZoom
     * @property {Float} w Width
@@ -17309,77 +18435,85 @@
     * @function module:svgcanvas.SvgCanvas#getResolution
     * @returns {DimensionsAndZoom} The current dimensions and zoom level in an object
     */
+
+
     var getResolution = this.getResolution = function () {
       //    const vb = svgcontent.getAttribute('viewBox').split(' ');
       //    return {w:vb[2], h:vb[3], zoom: currentZoom};
-
       var w = svgcontent.getAttribute('width') / currentZoom;
       var h = svgcontent.getAttribute('height') / currentZoom;
-
       return {
         w: w,
         h: h,
         zoom: currentZoom
       };
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getSnapToGrid
     * @returns {boolean} The current snap to grid setting
     */
+
+
     this.getSnapToGrid = function () {
       return curConfig.gridSnapping;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getVersion
     * @returns {string} A string which describes the revision number of SvgCanvas.
     */
+
+
     this.getVersion = function () {
       return 'svgcanvas.js ($Rev$)';
     };
-
     /**
     * Update interface strings with given values
     * @function module:svgcanvas.SvgCanvas#setUiStrings
     * @param {module:path.uiStrings} strs - Object with strings (see the [locales API]{@link module:locale.LocaleStrings} and the [tutorial]{@tutorial LocaleDocs})
     * @returns {undefined}
     */
+
+
     this.setUiStrings = function (strs) {
       Object.assign(uiStrings, strs.notification);
       setUiStrings(strs);
     };
-
     /**
     * Update configuration options with given values
     * @function module:svgcanvas.SvgCanvas#setConfig
     * @param {module:SVGEditor.Config} opts - Object with options
     * @returns {undefined}
     */
+
+
     this.setConfig = function (opts) {
       Object.assign(curConfig, opts);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getTitle
     * @param {Element} elem
     * @returns {string|undefined} the current group/SVG's title contents
     */
+
+
     this.getTitle = function (elem) {
       elem = elem || selectedElements[0];
+
       if (!elem) {
         return;
       }
+
       elem = $$9(elem).data('gsvg') || $$9(elem).data('symbol') || elem;
       var childs = elem.childNodes;
+
       for (var i = 0; i < childs.length; i++) {
         if (childs[i].nodeName === 'title') {
           return childs[i].textContent;
         }
       }
+
       return '';
     };
-
     /**
     * Sets the group/SVG's title content
     * @function module:svgcanvas.SvgCanvas#setGroupTitle
@@ -17387,15 +18521,15 @@
     * @todo Combine this with `setDocumentTitle`
     * @returns {undefined}
     */
+
+
     this.setGroupTitle = function (val) {
       var elem = selectedElements[0];
       elem = $$9(elem).data('gsvg') || elem;
-
       var ts = $$9(elem).children('title');
-
       var batchCmd = new BatchCommand$1('Set Label');
+      var title;
 
-      var title = void 0;
       if (!val.length) {
         // Remove title element
         var tsNextSibling = ts.nextSibling;
@@ -17404,7 +18538,9 @@
       } else if (ts.length) {
         // Change title contents
         title = ts[0];
-        batchCmd.addSubCommand(new ChangeElementCommand$1(title, { '#text': title.textContent }));
+        batchCmd.addSubCommand(new ChangeElementCommand$1(title, {
+          '#text': title.textContent
+        }));
         title.textContent = val;
       } else {
         // Add title element
@@ -17416,15 +18552,15 @@
 
       addCommandToHistory(batchCmd);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getDocumentTitle
     * @returns {string|undefined} The current document title or an empty string if not found
     */
+
+
     var getDocumentTitle = this.getDocumentTitle = function () {
       return canvas.getTitle(svgcontent);
     };
-
     /**
     * Adds/updates a title element for the document with the given name.
     * This is an undoable action
@@ -17432,11 +18568,12 @@
     * @param {string} newTitle - String with the new title
     * @returns {undefined}
     */
+
+
     this.setDocumentTitle = function (newTitle) {
       var childs = svgcontent.childNodes;
       var docTitle = false,
           oldTitle = '';
-
       var batchCmd = new BatchCommand$1('Change Image Title');
 
       for (var i = 0; i < childs.length; i++) {
@@ -17446,10 +18583,10 @@
           break;
         }
       }
+
       if (!docTitle) {
         docTitle = svgdoc.createElementNS(NS.SVG, 'title');
-        svgcontent.insertBefore(docTitle, svgcontent.firstChild);
-        // svgcontent.firstChild.before(docTitle); // Ok to replace above with this?
+        svgcontent.insertBefore(docTitle, svgcontent.firstChild); // svgcontent.firstChild.before(docTitle); // Ok to replace above with this?
       }
 
       if (newTitle.length) {
@@ -17458,23 +18595,27 @@
         // No title given, so element is not necessary
         docTitle.remove();
       }
-      batchCmd.addSubCommand(new ChangeElementCommand$1(docTitle, { '#text': oldTitle }));
+
+      batchCmd.addSubCommand(new ChangeElementCommand$1(docTitle, {
+        '#text': oldTitle
+      }));
       addCommandToHistory(batchCmd);
     };
-
     /**
     * Returns the editor's namespace URL, optionally adding it to the root element
     * @function module:svgcanvas.SvgCanvas#getEditorNS
     * @param {boolean} [add] - Indicates whether or not to add the namespace value
     * @returns {string} The editor's namespace URL
     */
+
+
     this.getEditorNS = function (add) {
       if (add) {
         svgcontent.setAttribute('xmlns:se', NS.SE);
       }
+
       return NS.SE;
     };
-
     /**
     * Changes the document's dimensions to the given size
     * @function module:svgcanvas.SvgCanvas#setResolution
@@ -17485,12 +18626,13 @@
     * @returns {boolean} Indicates if resolution change was successful.
     * It will fail on "fit to content" option with no content to fit to.
     */
+
+
     this.setResolution = function (x, y) {
       var res = getResolution();
       var w = res.w,
           h = res.h;
-
-      var batchCmd = void 0;
+      var batchCmd;
 
       if (x === 'fit') {
         // Get bounding box
@@ -17506,17 +18648,16 @@
             dx.push(bbox.x * -1);
             dy.push(bbox.y * -1);
           });
-
           var cmd = canvas.moveSelectedElements(dx, dy, true);
           batchCmd.addSubCommand(cmd);
           clearSelection();
-
           x = Math.round(bbox.width);
           y = Math.round(bbox.height);
         } else {
           return false;
         }
       }
+
       if (x !== w || y !== h) {
         if (!batchCmd) {
           batchCmd = new BatchCommand$1('Change Image Dimensions');
@@ -17524,23 +18665,24 @@
 
         x = convertToNum('width', x);
         y = convertToNum('height', y);
-
         svgcontent.setAttribute('width', x);
         svgcontent.setAttribute('height', y);
-
         this.contentW = x;
         this.contentH = y;
-        batchCmd.addSubCommand(new ChangeElementCommand$1(svgcontent, { width: w, height: h }));
-
+        batchCmd.addSubCommand(new ChangeElementCommand$1(svgcontent, {
+          width: w,
+          height: h
+        }));
         svgcontent.setAttribute('viewBox', [0, 0, x / currentZoom, y / currentZoom].join(' '));
-        batchCmd.addSubCommand(new ChangeElementCommand$1(svgcontent, { viewBox: ['0 0', w, h].join(' ') }));
-
+        batchCmd.addSubCommand(new ChangeElementCommand$1(svgcontent, {
+          viewBox: ['0 0', w, h].join(' ')
+        }));
         addCommandToHistory(batchCmd);
         call('changed', [svgcontent]);
       }
+
       return true;
     };
-
     /**
     * @typedef {module:jQueryAttr.Attributes} module:svgcanvas.ElementPositionInCanvas
     * @property {Float} x
@@ -17552,15 +18694,17 @@
     * @returns {module:svgcanvas.ElementPositionInCanvas} An object with `x`, `y` values indicating the svgcontent element's
     * position in the editor's canvas.
     */
+
+
     this.getOffset = function () {
       return $$9(svgcontent).attr(['x', 'y']);
     };
-
     /**
      * @typedef {PlainObject} module:svgcanvas.ZoomAndBBox
      * @property {Float} zoom
      * @property {module:utilities.BBoxObject} bbox
      */
+
     /**
     * Sets the zoom level on the canvas-side based on the given value
     * @function module:svgcanvas.SvgCanvas#setBBoxZoom
@@ -17569,27 +18713,39 @@
     * @param {Integer} editorH - The editor's workarea box's height
     * @returns {module:svgcanvas.ZoomAndBBox|undefined}
     */
+
+
     this.setBBoxZoom = function (val, editorW, editorH) {
       var spacer = 0.85;
-      var bb = void 0;
+      var bb;
+
       var calcZoom = function calcZoom(bb) {
         if (!bb) {
           return false;
         }
+
         var wZoom = Math.round(editorW / bb.width * 100 * spacer) / 100;
         var hZoom = Math.round(editorH / bb.height * 100 * spacer) / 100;
         var zoom = Math.min(wZoom, hZoom);
         canvas.setZoom(zoom);
-        return { zoom: zoom, bbox: bb };
+        return {
+          zoom: zoom,
+          bbox: bb
+        };
       };
 
-      if ((typeof val === 'undefined' ? 'undefined' : _typeof(val)) === 'object') {
+      if (_typeof(val) === 'object') {
         bb = val;
+
         if (bb.width === 0 || bb.height === 0) {
           var newzoom = bb.zoom ? bb.zoom : currentZoom * bb.factor;
           canvas.setZoom(newzoom);
-          return { zoom: currentZoom, bbox: bb };
+          return {
+            zoom: currentZoom,
+            bbox: bb
+          };
         }
+
         return calcZoom(bb);
       }
 
@@ -17598,6 +18754,7 @@
           if (!selectedElements[0]) {
             return;
           }
+
           var selectedElems = $$9.map(selectedElements, function (n) {
             if (n) {
               return n;
@@ -17605,28 +18762,38 @@
           });
           bb = getStrokedBBoxDefaultVisible(selectedElems);
           break;
+
         case 'canvas':
           var res = getResolution();
           spacer = 0.95;
-          bb = { width: res.w, height: res.h, x: 0, y: 0 };
+          bb = {
+            width: res.w,
+            height: res.h,
+            x: 0,
+            y: 0
+          };
           break;
+
         case 'content':
           bb = getStrokedBBoxDefaultVisible();
           break;
+
         case 'layer':
           bb = getStrokedBBoxDefaultVisible(getVisibleElements(getCurrentDrawing().getCurrentLayer()));
           break;
+
         default:
           return;
       }
+
       return calcZoom(bb);
     };
-
     /**
     * The zoom level has changed. Supplies the new zoom level as a number (not percentage).
     * @event module:svgcanvas.SvgCanvas#event:ext-zoomChanged
     * @type {Float}
     */
+
     /**
     * The bottom panel was updated
     * @event module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate
@@ -17634,6 +18801,7 @@
     * @property {boolean} nofill Indicates fill is disabled
     * @property {boolean} nostroke Indicates stroke is disabled
     */
+
     /**
     * The element selection has changed (elements were added/removed from selection)
     * @event module:svgcanvas.SvgCanvas#event:ext-selectedChanged
@@ -17642,6 +18810,7 @@
     * @property {Element|null} selectedElement The single selected element
     * @property {boolean} multiselected Indicates whether one or more elements were selected
     */
+
     /**
     * Called when part of element is in process of changing, generally on
     * mousemove actions like rotate, move, etc.
@@ -17649,12 +18818,14 @@
     * @type {PlainObject}
     * @property {Element[]} elems Array of transitioning elements
     */
+
     /**
     * One or more elements were changed
     * @event module:svgcanvas.SvgCanvas#event:ext-elementChanged
     * @type {PlainObject}
     * @property {Element[]} elems Array of the affected elements
     */
+
     /**
     * Invoked as soon as the locale is ready
     * @event module:svgcanvas.SvgCanvas#event:ext-langReady
@@ -17663,11 +18834,13 @@
     * @property {module:SVGEditor.uiStrings} uiStrings
     * @property {module:SVGEditor~ImportLocale} importLocale
     */
+
     /**
     * The language was changed. Two-letter code of the new language.
     * @event module:svgcanvas.SvgCanvas#event:ext-langChanged
     * @type {string}
     */
+
     /**
     * Means for an extension to add locale data. The two-letter language code.
     * @event module:svgcanvas.SvgCanvas#event:ext-addLangData
@@ -17675,16 +18848,19 @@
     * @property {string} lang
     * @property {module:SVGEditor~ImportLocale} importLocale
     */
+
     /**
      * Called when new image is created
      * @event module:svgcanvas.SvgCanvas#event:ext-onNewDocument
      * @type {undefined}
      */
+
     /**
      * Called when sidepanel is resized or toggled
      * @event module:svgcanvas.SvgCanvas#event:ext-workareaResized
      * @type {undefined}
     */
+
     /**
      * Called upon addition of the extension, or, if svgicons are set,
      * after the icons are ready when extension SVG icons have loaded.
@@ -17699,6 +18875,8 @@
     * @fires module:svgcanvas.SvgCanvas#event:ext-zoomChanged
     * @returns {undefined}
     */
+
+
     this.setZoom = function (zoomLevel) {
       var res = getResolution();
       svgcontent.setAttribute('viewBox', '0 0 ' + res.w / zoomLevel + ' ' + res.h / zoomLevel);
@@ -17707,33 +18885,37 @@
         if (!elem) {
           return;
         }
+
         selectorManager.requestSelector(elem).resize();
       });
       pathActions$$1.zoomChange();
-      runExtensions('zoomChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} */zoomLevel);
+      runExtensions('zoomChanged',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-zoomChanged} */
+      zoomLevel);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getMode
     * @returns {string} The current editor mode string
     */
+
+
     this.getMode = function () {
       return currentMode;
     };
-
     /**
     * Sets the editor's mode to the given string
     * @function module:svgcanvas.SvgCanvas#setMode
     * @param {string} name - String with the new mode to change to
     * @returns {undefined}
     */
+
+
     this.setMode = function (name) {
       pathActions$$1.clear(true);
       textActions.clear();
       curProperties = selectedElements[0] && selectedElements[0].nodeName === 'text' ? curText : curShape;
       currentMode = name;
     };
-
     /**
     * Group: Element Styling
     */
@@ -17748,10 +18930,11 @@
     * @param {string} type
     * @returns {string|module:svgcanvas.PaintOptions|Float|module:jGraduate~Paint} The current fill/stroke option
     */
+
+
     this.getColor = function (type) {
       return curProperties[type];
     };
-
     /**
     * Change the current stroke/fill color/gradient value
     * @function module:svgcanvas.SvgCanvas#setColor
@@ -17761,18 +18944,26 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setColor = function (type, val, preventUndo) {
       curShape[type] = val;
-      curProperties[type + '_paint'] = { type: 'solidColor' };
+      curProperties[type + '_paint'] = {
+        type: 'solidColor'
+      };
       var elems = [];
+
       function addNonG(e) {
         if (e.nodeName !== 'g') {
           elems.push(e);
         }
       }
+
       var i = selectedElements.length;
+
       while (i--) {
         var elem = selectedElements[i];
+
         if (elem) {
           if (elem.tagName === 'g') {
             walkTree(elem, addNonG);
@@ -17787,6 +18978,7 @@
           }
         }
       }
+
       if (elems.length > 0) {
         if (!preventUndo) {
           changeSelectedAttribute(type, val, elems);
@@ -17796,47 +18988,53 @@
         }
       }
     };
-
     /**
     * Apply the current gradient to selected element's fill or stroke
     * @function module:svgcanvas.SvgCanvas#setGradient
     * @param {"fill"|"stroke"} type - String indicating "fill" or "stroke" to apply to an element
     * @returns {undefined}
     */
+
+
     var setGradient = this.setGradient = function (type) {
       if (!curProperties[type + '_paint'] || curProperties[type + '_paint'].type === 'solidColor') {
         return;
       }
-      var grad = canvas[type + 'Grad'];
-      // find out if there is a duplicate gradient already in the defs
+
+      var grad = canvas[type + 'Grad']; // find out if there is a duplicate gradient already in the defs
+
       var duplicateGrad = findDuplicateGradient(grad);
-      var defs = findDefs();
-      // no duplicate found, so import gradient into defs
+      var defs = findDefs(); // no duplicate found, so import gradient into defs
+
       if (!duplicateGrad) {
         // const origGrad = grad;
-        grad = defs.appendChild(svgdoc.importNode(grad, true));
-        // get next id and set it on the grad
+        grad = defs.appendChild(svgdoc.importNode(grad, true)); // get next id and set it on the grad
+
         grad.id = getNextId();
       } else {
         // use existing gradient
         grad = duplicateGrad;
       }
+
       canvas.setColor(type, 'url(#' + grad.id + ')');
     };
-
     /**
     * Check if exact gradient already exists
     * @function module:svgcanvas~findDuplicateGradient
     * @param {SVGGradientElement} grad - The gradient DOM element to compare to others
     * @returns {SVGGradientElement} The existing gradient if found, `null` if not
     */
+
+
     var findDuplicateGradient = function findDuplicateGradient(grad) {
       var defs = findDefs();
       var existingGrads = $$9(defs).find('linearGradient, radialGradient');
       var i = existingGrads.length;
       var radAttrs = ['r', 'cx', 'cy', 'fx', 'fy'];
+
       while (i--) {
         var og = existingGrads[i];
+
         if (grad.tagName === 'linearGradient') {
           if (grad.getAttribute('x1') !== og.getAttribute('x1') || grad.getAttribute('y1') !== og.getAttribute('y1') || grad.getAttribute('x2') !== og.getAttribute('x2') || grad.getAttribute('y2') !== og.getAttribute('y2')) {
             continue;
@@ -17845,7 +19043,6 @@
           var _ret = function () {
             var gradAttrs = $$9(grad).attr(radAttrs);
             var ogAttrs = $$9(og).attr(radAttrs);
-
             var diff = false;
             $$9.each(radAttrs, function (i, attr) {
               if (gradAttrs[attr] !== ogAttrs[attr]) {
@@ -17854,14 +19051,14 @@
             });
 
             if (diff) {
-              return 'continue';
+              return "continue";
             }
           }();
 
-          if (_ret === 'continue') continue;
-        }
+          if (_ret === "continue") continue;
+        } // else could be a duplicate, iterate through stops
+
 
-        // else could be a duplicate, iterate through stops
         var stops = grad.getElementsByTagNameNS(NS.SVG, 'stop');
         var ostops = og.getElementsByTagNameNS(NS.SVG, 'stop');
 
@@ -17870,6 +19067,7 @@
         }
 
         var j = stops.length;
+
         while (j--) {
           var stop = stops[j];
           var ostop = ostops[j];
@@ -17884,9 +19082,9 @@
         }
       } // for each gradient in defs
 
+
       return null;
     };
-
     /**
     * Set a color/gradient to a fill/stroke
     * @function module:svgcanvas.SvgCanvas#setPaint
@@ -17894,17 +19092,20 @@
     * @param {module:jGraduate.jGraduatePaintOptions} paint - The jGraduate paint object to apply
     * @returns {undefined}
     */
+
+
     this.setPaint = function (type, paint) {
       // make a copy
       var p = new $$9.jGraduate.Paint(paint);
-      this.setPaintOpacity(type, p.alpha / 100, true);
+      this.setPaintOpacity(type, p.alpha / 100, true); // now set the current paint object
 
-      // now set the current paint object
       curProperties[type + '_paint'] = p;
+
       switch (p.type) {
         case 'solidColor':
           this.setColor(type, p.solidColor !== 'none' ? '#' + p.solidColor : 'none');
           break;
+
         case 'linearGradient':
         case 'radialGradient':
           canvas[type + 'Grad'] = p[p.type];
@@ -17912,33 +19113,35 @@
           break;
       }
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#setStrokePaint
     * @param {module:jGraduate~Paint} paint
     * @returns {undefined}
     */
+
+
     this.setStrokePaint = function (paint) {
       this.setPaint('stroke', paint);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#setFillPaint
     * @param {module:jGraduate~Paint} paint
     * @returns {undefined}
     */
+
+
     this.setFillPaint = function (paint) {
       this.setPaint('fill', paint);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getStrokeWidth
     * @returns {Float|string} The current stroke-width value
     */
+
+
     this.getStrokeWidth = function () {
       return curProperties.stroke_width;
     };
-
     /**
     * Sets the stroke width for the current selected elements.
     * When attempting to set a line's width to 0, this changes it to 1 instead
@@ -17947,22 +19150,28 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setStrokeWidth = function (val) {
       if (val === 0 && ['line', 'path'].includes(currentMode)) {
         canvas.setStrokeWidth(1);
         return;
       }
-      curProperties.stroke_width = val;
 
+      curProperties.stroke_width = val;
       var elems = [];
+
       function addNonG(e) {
         if (e.nodeName !== 'g') {
           elems.push(e);
         }
       }
+
       var i = selectedElements.length;
+
       while (i--) {
         var elem = selectedElements[i];
+
         if (elem) {
           if (elem.tagName === 'g') {
             walkTree(elem, addNonG);
@@ -17971,12 +19180,12 @@
           }
         }
       }
+
       if (elems.length > 0) {
         changeSelectedAttribute('stroke-width', val, elems);
         call('changed', selectedElements);
       }
     };
-
     /**
     * Set the given stroke-related attribute the given value for selected elements
     * @function module:svgcanvas.SvgCanvas#setStrokeAttr
@@ -17985,13 +19194,16 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setStrokeAttr = function (attr, val) {
       curShape[attr.replace('-', '_')] = val;
       var elems = [];
-
       var i = selectedElements.length;
+
       while (i--) {
         var elem = selectedElements[i];
+
         if (elem) {
           if (elem.tagName === 'g') {
             walkTree(elem, function (e) {
@@ -18004,12 +19216,12 @@
           }
         }
       }
+
       if (elems.length > 0) {
         changeSelectedAttribute(attr, val, elems);
         call('changed', selectedElements);
       }
     };
-
     /**
     * @typedef {PlainObject} module:svgcanvas.StyleOptions
     * @property {string} fill
@@ -18027,43 +19239,47 @@
     * @function module:svgcanvas.SvgCanvas#getStyle
     * @returns {module:svgcanvas.StyleOptions} current style options
     */
+
+
     this.getStyle = function () {
       return curShape;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getOpacity
     * @returns {Float} the current opacity
     */
-    this.getOpacity = getOpacity;
 
+
+    this.getOpacity = getOpacity;
     /**
     * Sets the given opacity to the current selected elements
     * @function module:svgcanvas.SvgCanvas#setOpacity
     * @param {string} val
     * @returns {undefined}
     */
+
     this.setOpacity = function (val) {
       curShape.opacity = val;
       changeSelectedAttribute('opacity', val);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getFillOpacity
     * @returns {Float} the current fill opacity
     */
+
+
     this.getFillOpacity = function () {
       return curShape.fill_opacity;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getStrokeOpacity
     * @returns {string} the current stroke opacity
     */
+
+
     this.getStrokeOpacity = function () {
       return curShape.stroke_opacity;
     };
-
     /**
     * Sets the current fill/stroke opacity
     * @function module:svgcanvas.SvgCanvas#setPaintOpacity
@@ -18072,44 +19288,51 @@
     * @param {boolean} preventUndo - Indicates whether or not this should be an undoable action
     * @returns {undefined}
     */
+
+
     this.setPaintOpacity = function (type, val, preventUndo) {
       curShape[type + '_opacity'] = val;
+
       if (!preventUndo) {
         changeSelectedAttribute(type + '-opacity', val);
       } else {
         changeSelectedAttributeNoUndo(type + '-opacity', val);
       }
     };
-
     /**
     * Gets the current fill/stroke opacity
     * @function module:svgcanvas.SvgCanvas#getPaintOpacity
     * @param {"fill"|"stroke"} type - String with "fill" or "stroke"
     * @returns {Float} Fill/stroke opacity
     */
+
+
     this.getPaintOpacity = function (type) {
       return type === 'fill' ? this.getFillOpacity() : this.getStrokeOpacity();
     };
-
     /**
     * Gets the `stdDeviation` blur value of the given element
     * @function module:svgcanvas.SvgCanvas#getBlur
     * @param {Element} elem - The element to check the blur value for
     * @returns {string} stdDeviation blur attribute value
     */
+
+
     this.getBlur = function (elem) {
-      var val = 0;
-      // const elem = selectedElements[0];
+      var val = 0; // const elem = selectedElements[0];
 
       if (elem) {
         var filterUrl = elem.getAttribute('filter');
+
         if (filterUrl) {
           var blur = getElem(elem.id + '_blur');
+
           if (blur) {
             val = blur.firstChild.getAttribute('stdDeviation');
           }
         }
       }
+
       return val;
     };
 
@@ -18117,18 +19340,19 @@
       var curCommand = null;
       var filter = null;
       var filterHidden = false;
-
       /**
       * Sets the `stdDeviation` blur value on the selected element without being undoable
       * @function module:svgcanvas.SvgCanvas#setBlurNoUndo
       * @param {Float} val - The new `stdDeviation` value
       * @returns {undefined}
       */
+
       canvas.setBlurNoUndo = function (val) {
         if (!filter) {
           canvas.setBlur(val);
           return;
         }
+
         if (val === 0) {
           // Don't change the StdDev, as that will hide the element.
           // Instead, just remove the value for "filter"
@@ -18136,14 +19360,17 @@
           filterHidden = true;
         } else {
           var elem = selectedElements[0];
+
           if (filterHidden) {
             changeSelectedAttributeNoUndo('filter', 'url(#' + elem.id + '_blur)');
           }
+
           if (isWebkit()) {
             console.log('e', elem);
             elem.removeAttribute('filter');
             elem.setAttribute('filter', 'url(#' + elem.id + '_blur)');
           }
+
           changeSelectedAttributeNoUndo('stdDeviation', val, [filter.firstChild]);
           canvas.setBlurOffsets(filter, val);
         }
@@ -18156,7 +19383,6 @@
         curCommand = null;
         filter = null;
       }
-
       /**
       * Sets the `x`, `y`, `width`, `height` values of the filter element in order to
       * make the blur not be clipped. Removes them if not neeeded
@@ -18165,6 +19391,8 @@
       * @param {Float} stdDev - The standard deviation value on which to base the offset size
       * @returns {undefined}
       */
+
+
       canvas.setBlurOffsets = function (filter, stdDev) {
         if (stdDev > 3) {
           // TODO: Create algorithm here where size is based on expected blur
@@ -18184,7 +19412,6 @@
           }
         }
       };
-
       /**
       * Adds/updates the blur filter to the selected element
       * @function module:svgcanvas.SvgCanvas#setBlur
@@ -18192,48 +19419,48 @@
       * @param {boolean} complete - Whether or not the action should be completed (to add to the undo manager)
       * @returns {undefined}
       */
+
+
       canvas.setBlur = function (val, complete) {
         if (curCommand) {
           finishChange();
           return;
-        }
+        } // Looks for associated blur, creates one if not found
+
 
-        // Looks for associated blur, creates one if not found
         var elem = selectedElements[0];
         var elemId = elem.id;
         filter = getElem(elemId + '_blur');
-
         val -= 0;
+        var batchCmd = new BatchCommand$1(); // Blur found!
 
-        var batchCmd = new BatchCommand$1();
-
-        // Blur found!
         if (filter) {
           if (val === 0) {
             filter = null;
           }
         } else {
           // Not found, so create
-          var newblur = addSVGElementFromJson({ element: 'feGaussianBlur',
+          var newblur = addSVGElementFromJson({
+            element: 'feGaussianBlur',
             attr: {
               in: 'SourceGraphic',
               stdDeviation: val
             }
           });
-
-          filter = addSVGElementFromJson({ element: 'filter',
+          filter = addSVGElementFromJson({
+            element: 'filter',
             attr: {
               id: elemId + '_blur'
             }
           });
-
           filter.append(newblur);
           findDefs().append(filter);
-
           batchCmd.addSubCommand(new InsertElementCommand$1(filter));
         }
 
-        var changes = { filter: elem.getAttribute('filter') };
+        var changes = {
+          filter: elem.getAttribute('filter')
+        };
 
         if (val === 0) {
           elem.removeAttribute('filter');
@@ -18244,162 +19471,185 @@
         changeSelectedAttribute('filter', 'url(#' + elemId + '_blur)');
         batchCmd.addSubCommand(new ChangeElementCommand$1(elem, changes));
         canvas.setBlurOffsets(filter, val);
-
         curCommand = batchCmd;
         canvas.undoMgr.beginUndoableChange('stdDeviation', [filter ? filter.firstChild : null]);
+
         if (complete) {
           canvas.setBlurNoUndo(val);
           finishChange();
         }
       };
     })();
-
     /**
     * Check whether selected element is bold or not
     * @function module:svgcanvas.SvgCanvas#getBold
     * @returns {boolean} Indicates whether or not element is bold
     */
+
+
     this.getBold = function () {
       // should only have one element selected
       var selected = selectedElements[0];
+
       if (selected != null && selected.tagName === 'text' && selectedElements[1] == null) {
         return selected.getAttribute('font-weight') === 'bold';
       }
+
       return false;
     };
-
     /**
     * Make the selected element bold or normal
     * @function module:svgcanvas.SvgCanvas#setBold
     * @param {boolean} b - Indicates bold (`true`) or normal (`false`)
     * @returns {undefined}
     */
+
+
     this.setBold = function (b) {
       var selected = selectedElements[0];
+
       if (selected != null && selected.tagName === 'text' && selectedElements[1] == null) {
         changeSelectedAttribute('font-weight', b ? 'bold' : 'normal');
       }
+
       if (!selectedElements[0].textContent) {
         textActions.setCursor();
       }
     };
-
     /**
     * Check whether selected element is italic or not
     * @function module:svgcanvas.SvgCanvas#getItalic
     * @returns {boolean} Indicates whether or not element is italic
     */
+
+
     this.getItalic = function () {
       var selected = selectedElements[0];
+
       if (selected != null && selected.tagName === 'text' && selectedElements[1] == null) {
         return selected.getAttribute('font-style') === 'italic';
       }
+
       return false;
     };
-
     /**
     * Make the selected element italic or normal
     * @function module:svgcanvas.SvgCanvas#setItalic
     * @param {boolean} b - Indicates italic (`true`) or normal (`false`)
     * @returns {undefined}
     */
+
+
     this.setItalic = function (i) {
       var selected = selectedElements[0];
+
       if (selected != null && selected.tagName === 'text' && selectedElements[1] == null) {
         changeSelectedAttribute('font-style', i ? 'italic' : 'normal');
       }
+
       if (!selectedElements[0].textContent) {
         textActions.setCursor();
       }
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getFontFamily
     * @returns {string} The current font family
     */
+
+
     this.getFontFamily = function () {
       return curText.font_family;
     };
-
     /**
     * Set the new font family
     * @function module:svgcanvas.SvgCanvas#setFontFamily
     * @param {string} val - String with the new font family
     * @returns {undefined}
     */
+
+
     this.setFontFamily = function (val) {
       curText.font_family = val;
       changeSelectedAttribute('font-family', val);
+
       if (selectedElements[0] && !selectedElements[0].textContent) {
         textActions.setCursor();
       }
     };
-
     /**
     * Set the new font color
     * @function module:svgcanvas.SvgCanvas#setFontColor
     * @param {string} val - String with the new font color
     * @returns {undefined}
     */
+
+
     this.setFontColor = function (val) {
       curText.fill = val;
       changeSelectedAttribute('fill', val);
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getFontColor
     * @returns {string} The current font color
     */
+
+
     this.getFontColor = function () {
       return curText.fill;
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getFontSize
     * @returns {Float} The current font size
     */
+
+
     this.getFontSize = function () {
       return curText.font_size;
     };
-
     /**
     * Applies the given font size to the selected element
     * @function module:svgcanvas.SvgCanvas#setFontSize
     * @param {Float} val - Float with the new font size
     * @returns {undefined}
     */
+
+
     this.setFontSize = function (val) {
       curText.font_size = val;
       changeSelectedAttribute('font-size', val);
+
       if (!selectedElements[0].textContent) {
         textActions.setCursor();
       }
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#getText
     * @returns {string} The current text (`textContent`) of the selected element
     */
+
+
     this.getText = function () {
       var selected = selectedElements[0];
+
       if (selected == null) {
         return '';
       }
+
       return selected.textContent;
     };
-
     /**
     * Updates the text element with the given string
     * @function module:svgcanvas.SvgCanvas#setTextContent
     * @param {string} val - String with the new text
     * @returns {undefined}
     */
+
+
     this.setTextContent = function (val) {
       changeSelectedAttribute('#text', val);
       textActions.init(val);
       textActions.setCursor();
     };
-
     /**
     * Sets the new image URL for the selected image element. Updates its size if
     * a new URL is given
@@ -18408,59 +19658,59 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setImageURL = function (val) {
       var elem = selectedElements[0];
+
       if (!elem) {
         return;
       }
 
       var attrs = $$9(elem).attr(['width', 'height']);
       var setsize = !attrs.width || !attrs.height;
+      var curHref = getHref(elem); // Do nothing if no URL change or size change
 
-      var curHref = getHref(elem);
-
-      // Do nothing if no URL change or size change
       if (curHref === val && !setsize) {
         return;
       }
 
       var batchCmd = new BatchCommand$1('Change Image URL');
-
       setHref(elem, val);
       batchCmd.addSubCommand(new ChangeElementCommand$1(elem, {
         '#href': curHref
       }));
-
       $$9(new Image()).load(function () {
         var changes = $$9(elem).attr(['width', 'height']);
-
         $$9(elem).attr({
           width: this.width,
           height: this.height
         });
-
         selectorManager.requestSelector(elem).resize();
-
         batchCmd.addSubCommand(new ChangeElementCommand$1(elem, changes));
         addCommandToHistory(batchCmd);
         call('changed', [elem]);
       }).attr('src', val);
     };
-
     /**
     * Sets the new link URL for the selected anchor element.
     * @function module:svgcanvas.SvgCanvas#setLinkURL
     * @param {string} val - String with the link URL/path
     * @returns {undefined}
     */
+
+
     this.setLinkURL = function (val) {
       var elem = selectedElements[0];
+
       if (!elem) {
         return;
       }
+
       if (elem.tagName !== 'a') {
         // See if parent is an anchor
         var parentsA = $$9(elem).parents('a');
+
         if (parentsA.length) {
           elem = parentsA[0];
         } else {
@@ -18475,15 +19725,12 @@
       }
 
       var batchCmd = new BatchCommand$1('Change Link URL');
-
       setHref(elem, val);
       batchCmd.addSubCommand(new ChangeElementCommand$1(elem, {
         '#href': curHref
       }));
-
       addCommandToHistory(batchCmd);
     };
-
     /**
     * Sets the `rx` and `ry` values to the selected `rect` element to change its corner radius
     * @function module:svgcanvas.SvgCanvas#setRectRadius
@@ -18491,40 +19738,46 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.setRectRadius = function (val) {
       var selected = selectedElements[0];
+
       if (selected != null && selected.tagName === 'rect') {
         var r = selected.getAttribute('rx');
+
         if (r !== String(val)) {
           selected.setAttribute('rx', val);
           selected.setAttribute('ry', val);
-          addCommandToHistory(new ChangeElementCommand$1(selected, { rx: r, ry: r }, 'Radius'));
+          addCommandToHistory(new ChangeElementCommand$1(selected, {
+            rx: r,
+            ry: r
+          }, 'Radius'));
           call('changed', [selected]);
         }
       }
     };
-
     /**
     * Wraps the selected element(s) in an anchor element or converts group to one
     * @function module:svgcanvas.SvgCanvas#makeHyperlink
     * @param {string} url
     * @returns {undefined}
     */
-    this.makeHyperlink = function (url) {
-      canvas.groupSelectedElements('a', url);
 
-      // TODO: If element is a single "g", convert to "a"
+
+    this.makeHyperlink = function (url) {
+      canvas.groupSelectedElements('a', url); // TODO: If element is a single "g", convert to "a"
       //  if (selectedElements.length > 1 && selectedElements[1]) {
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#removeHyperlink
     * @returns {undefined}
     */
+
+
     this.removeHyperlink = function () {
       canvas.ungroupSelectedElement();
     };
-
     /**
     * Group: Element manipulation
     */
@@ -18535,10 +19788,11 @@
     * @param {Integer} newType - New segment type. See {@link https://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSeg} for list
     * @returns {undefined}
     */
+
+
     this.setSegType = function (newType) {
       pathActions$$1.setSegType(newType);
     };
-
     /**
     * Convert selected element to a path, or get the BBox of an element-as-path
     * @function module:svgcanvas.SvgCanvas#convertToPath
@@ -18548,6 +19802,8 @@
     * @returns {undefined|DOMRect|false|SVGPathElement|null} If the getBBox flag is true, the resulting path's bounding box object.
     * Otherwise the resulting path element is returned.
     */
+
+
     this.convertToPath = function (elem, getBBox$$1) {
       if (elem == null) {
         var elems = selectedElements;
@@ -18558,11 +19814,13 @@
         });
         return;
       }
+
       if (getBBox$$1) {
         return getBBoxOfElementAsPath(elem, addSVGElementFromJson, pathActions$$1);
-      }
-      // TODO: Why is this applying attributes from curShape, then inside utilities.convertToPath it's pulling addition attributes from elem?
+      } // TODO: Why is this applying attributes from curShape, then inside utilities.convertToPath it's pulling addition attributes from elem?
       // TODO: If convertToPath is called with one elem, curShape and elem are probably the same; but calling with multiple is a bug or cool feature.
+
+
       var attrs = {
         fill: curShape.fill,
         'fill-opacity': curShape.fill_opacity,
@@ -18577,7 +19835,6 @@
       };
       return convertToPath(elem, attrs, addSVGElementFromJson, pathActions$$1, clearSelection, addToSelection, history, addCommandToHistory);
     };
-
     /**
     * This function makes the changes to the elements. It does not add the change
     * to the history stack.
@@ -18586,11 +19843,14 @@
     * @param {Element[]} elems - The DOM elements to apply the change to
     * @returns {undefined}
     */
+
+
     var changeSelectedAttributeNoUndo = function changeSelectedAttributeNoUndo(attr, newValue, elems) {
       if (currentMode === 'pathedit') {
         // Editing node
         pathActions$$1.moveNode(attr, newValue);
       }
+
       elems = elems || selectedElements;
       var i = elems.length;
       var noXYElems = ['g', 'polyline', 'path'];
@@ -18598,36 +19858,38 @@
 
       var _loop = function _loop() {
         var elem = elems[i];
-        if (elem == null) {
-          return 'continue';
-        }
 
-        // Set x,y vals on elements that don't have them
+        if (elem == null) {
+          return "continue";
+        } // Set x,y vals on elements that don't have them
+
+
         if ((attr === 'x' || attr === 'y') && noXYElems.includes(elem.tagName)) {
           var bbox = getStrokedBBoxDefaultVisible([elem]);
           var diffX = attr === 'x' ? newValue - bbox.x : 0;
           var diffY = attr === 'y' ? newValue - bbox.y : 0;
           canvas.moveSelectedElements(diffX * currentZoom, diffY * currentZoom, true);
-          return 'continue';
-        }
-
-        // only allow the transform/opacity/filter attribute to change on <g> elements, slightly hacky
+          return "continue";
+        } // only allow the transform/opacity/filter attribute to change on <g> elements, slightly hacky
         // TODO: FIXME: This doesn't seem right. Where's the body of this if statement?
+
+
         if (elem.tagName === 'g' && goodGAttrs.includes(attr)) ;
+
         var oldval = attr === '#text' ? elem.textContent : elem.getAttribute(attr);
+
         if (oldval == null) {
           oldval = '';
         }
+
         if (oldval !== String(newValue)) {
           if (attr === '#text') {
             // const oldW = utilsGetBBox(elem).width;
-            elem.textContent = newValue;
+            elem.textContent = newValue; // FF bug occurs on on rotated elements
 
-            // FF bug occurs on on rotated elements
             if (/rotate/.test(elem.getAttribute('transform'))) {
               elem = ffClone(elem);
-            }
-            // Hoped to solve the issue of moving text with text-anchor="start",
+            } // Hoped to solve the issue of moving text with text-anchor="start",
             // but this doesn't actually fix it. Hopefully on the right track, though. -Fyrd
             // const box = getBBox(elem), left = box.x, top = box.y, {width, height} = box,
             //   dx = width - oldW, dy = 0;
@@ -18641,35 +19903,36 @@
             //   elem.setAttribute('x', elem.getAttribute('x') - dx);
             //   elem.setAttribute('y', elem.getAttribute('y') - dy);
             // }
+
           } else if (attr === '#href') {
             setHref(elem, newValue);
           } else {
             elem.setAttribute(attr, newValue);
-          }
-
-          // Go into "select" mode for text changes
+          } // Go into "select" mode for text changes
           // NOTE: Important that this happens AFTER elem.setAttribute() or else attributes like
           // font-size can get reset to their old value, ultimately by svgEditor.updateContextPanel(),
           // after calling textActions.toSelectMode() below
+
+
           if (currentMode === 'textedit' && attr !== '#text' && elem.textContent.length) {
             textActions.toSelectMode(elem);
-          }
-
-          // if (i === 0) {
+          } // if (i === 0) {
           //   selectedBBoxes[0] = utilsGetBBox(elem);
           // }
-
           // Use the Firefox ffClone hack for text elements with gradients or
           // where other text attributes are changed.
+
+
           if (isGecko() && elem.nodeName === 'text' && /rotate/.test(elem.getAttribute('transform'))) {
             if (String(newValue).startsWith('url') || ['font-size', 'font-family', 'x', 'y'].includes(attr) && elem.textContent) {
               elem = ffClone(elem);
             }
-          }
-          // Timeout needed for Opera & Firefox
+          } // Timeout needed for Opera & Firefox
           // codedread: it is now possible for this function to be called with elements
           // that are not in the selectedElements array, we need to only request a
           // selector if the element is in that array
+
+
           if (selectedElements.includes(elem)) {
             setTimeout(function () {
               // Due to element replacement, this element may no longer
@@ -18677,21 +19940,25 @@
               if (!elem.parentNode) {
                 return;
               }
+
               selectorManager.requestSelector(elem).resize();
             }, 0);
-          }
-          // if this element was rotated, and we changed the position of this element
+          } // if this element was rotated, and we changed the position of this element
           // we need to update the rotational transform attribute
+
+
           var angle = getRotationAngle(elem);
+
           if (angle !== 0 && attr !== 'transform') {
             var tlist = getTransformList(elem);
             var n = tlist.numberOfItems;
+
             while (n--) {
               var xform = tlist.getItem(n);
+
               if (xform.type === 4) {
                 // remove old rotate
                 tlist.removeItem(n);
-
                 var box = getBBox(elem);
                 var center = transformPoint(box.x + box.width / 2, box.y + box.height / 2, transformListToTransform(tlist).matrix);
                 var cx = center.x,
@@ -18704,15 +19971,16 @@
             }
           }
         } // if oldValue != newValue
+
       };
 
       while (i--) {
         var _ret2 = _loop();
 
-        if (_ret2 === 'continue') continue;
+        if (_ret2 === "continue") continue;
       } // for each elem
-    };
 
+    };
     /**
     * Change the given/selected element and add the original value to the history stack.
     * If you want to change all `selectedElements`, ignore the `elems` argument.
@@ -18724,19 +19992,19 @@
     * @param {Element[]} elems - The DOM elements to apply the change to
     * @returns {undefined}
     */
+
+
     var changeSelectedAttribute = this.changeSelectedAttribute = function (attr, val, elems) {
       elems = elems || selectedElements;
-      canvas.undoMgr.beginUndoableChange(attr, elems);
-      // const i = elems.length;
+      canvas.undoMgr.beginUndoableChange(attr, elems); // const i = elems.length;
 
       changeSelectedAttributeNoUndo(attr, val, elems);
-
       var batchCmd = canvas.undoMgr.finishUndoableChange();
+
       if (!batchCmd.isEmpty()) {
         addCommandToHistory(batchCmd);
       }
     };
-
     /**
     * Removes all selected elements from the DOM and adds the change to the
     * history stack
@@ -18744,6 +20012,8 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.deleteSelectedElements = function () {
       var batchCmd = new BatchCommand$1('Delete Elements');
       var len = selectedElements.length;
@@ -18751,20 +20021,18 @@
 
       for (var i = 0; i < len; ++i) {
         var selected = selectedElements[i];
+
         if (selected == null) {
           break;
         }
 
         var parent = selected.parentNode;
-        var t = selected;
+        var t = selected; // this will unselect the element and remove the selectedOutline
 
-        // this will unselect the element and remove the selectedOutline
-        selectorManager.releaseSelector(t);
+        selectorManager.releaseSelector(t); // Remove the path if present.
 
-        // Remove the path if present.
-        removePath_(t.id);
+        removePath_(t.id); // Get the parent if it's a single-child anchor
 
-        // Get the parent if it's a single-child anchor
         if (parent.tagName === 'a' && parent.childNodes.length === 1) {
           t = parent;
           parent = parent.parentNode;
@@ -18772,44 +20040,46 @@
 
         var _t = t,
             nextSibling = _t.nextSibling;
-
-        var _elem2 = parent.removeChild(t);
+        var elem = parent.removeChild(t);
         selectedCopy.push(selected); // for the copy
-        batchCmd.addSubCommand(new RemoveElementCommand$1(_elem2, nextSibling, parent));
+
+        batchCmd.addSubCommand(new RemoveElementCommand$1(elem, nextSibling, parent));
       }
+
       selectedElements = [];
 
       if (!batchCmd.isEmpty()) {
         addCommandToHistory(batchCmd);
       }
+
       call('changed', selectedCopy);
       clearSelection();
     };
-
     /**
     * Removes all selected elements from the DOM and adds the change to the
     * history stack. Remembers removed elements on the clipboard
     * @function module:svgcanvas.SvgCanvas#cutSelectedElements
     * @returns {undefined}
     */
+
+
     this.cutSelectedElements = function () {
       canvas.copySelectedElements();
       canvas.deleteSelectedElements();
     };
-
     /**
     * Remembers the current selected elements on the clipboard
     * @function module:svgcanvas.SvgCanvas#copySelectedElements
     * @returns {undefined}
     */
+
+
     this.copySelectedElements = function () {
       localStorage.setItem('svgedit_clipboard', JSON.stringify(selectedElements.map(function (x) {
         return getJsonFromSvgElement(x);
       })));
-
       $$9('#cmenu_canvas').enableContextMenuItems('#paste,#paste_in_place');
     };
-
     /**
     * @function module:svgcanvas.SvgCanvas#pasteElements
     * @param {"in_place"|"point"|undefined} type
@@ -18819,35 +20089,40 @@
     * @fires module:svgcanvas.SvgCanvas#event:ext-IDsUpdated
     * @returns {undefined}
     */
+
+
     this.pasteElements = function (type, x, y) {
       var clipb = JSON.parse(localStorage.getItem('svgedit_clipboard'));
       var len = clipb.length;
+
       if (!len) {
         return;
       }
 
       var pasted = [];
-      var batchCmd = new BatchCommand$1('Paste elements');
-      // const drawing = getCurrentDrawing();
+      var batchCmd = new BatchCommand$1('Paste elements'); // const drawing = getCurrentDrawing();
+
       /**
       * @typedef {PlainObject.<string, string>} module:svgcanvas.ChangedIDs
       */
+
       /**
        * @type {module:svgcanvas.ChangedIDs}
        */
-      var changedIDs = {};
 
-      // Recursively replace IDs and record the changes
+      var changedIDs = {}; // Recursively replace IDs and record the changes
+
       function checkIDs(elem) {
         if (elem.attr && elem.attr.id) {
           changedIDs[elem.attr.id] = getNextId();
           elem.attr.id = changedIDs[elem.attr.id];
         }
+
         if (elem.children) elem.children.forEach(checkIDs);
       }
-      clipb.forEach(checkIDs);
 
-      // Give extensions like the connector extension a chance to reflect new IDs and remove invalid elements
+      clipb.forEach(checkIDs); // Give extensions like the connector extension a chance to reflect new IDs and remove invalid elements
+
       /**
       * Triggered when `pasteElements` is called from a paste action (context menu or key)
       * @event module:svgcanvas.SvgCanvas#event:ext-IDsUpdated
@@ -18855,37 +20130,38 @@
       * @property {module:svgcanvas.SVGAsJSON[]} elems
       * @property {module:svgcanvas.ChangedIDs} changes Maps past ID (on attribute) to current ID
       */
+
       runExtensions('IDsUpdated',
       /** @type {module:svgcanvas.SvgCanvas#event:ext-IDsUpdated} */
-      { elems: clipb, changes: changedIDs }, true).forEach(function (extChanges) {
+      {
+        elems: clipb,
+        changes: changedIDs
+      }, true).forEach(function (extChanges) {
         if (!extChanges || !('remove' in extChanges)) return;
-
         extChanges.remove.forEach(function (removeID) {
           clipb = clipb.filter(function (clipBoardItem) {
             return clipBoardItem.attr.id !== removeID;
           });
         });
-      });
+      }); // Move elements to lastClickPoint
 
-      // Move elements to lastClickPoint
       while (len--) {
-        var _elem3 = clipb[len];
-        if (!_elem3) {
+        var elem = clipb[len];
+
+        if (!elem) {
           continue;
         }
 
-        var copy = addSVGElementFromJson(_elem3);
+        var copy = addSVGElementFromJson(elem);
         pasted.push(copy);
         batchCmd.addSubCommand(new InsertElementCommand$1(copy));
-
         restoreRefElems(copy);
       }
 
       selectOnly(pasted);
 
       if (type !== 'in_place') {
-        var ctrX = void 0,
-            ctrY = void 0;
+        var ctrX, ctrY;
 
         if (!type) {
           ctrX = lastClickPoint.x;
@@ -18900,12 +20176,10 @@
             cy = ctrY - (bbox.y + bbox.height / 2),
             dx = [],
             dy = [];
-
         $$9.each(pasted, function (i, item) {
           dx.push(cx);
           dy.push(cy);
         });
-
         var cmd = canvas.moveSelectedElements(dx, dy, false);
         if (cmd) batchCmd.addSubCommand(cmd);
       }
@@ -18913,7 +20187,6 @@
       addCommandToHistory(batchCmd);
       call('changed', pasted);
     };
-
     /**
     * Wraps all the selected elements in a group (`g`) element
     * @function module:svgcanvas.SvgCanvas#groupSelectedElements
@@ -18921,12 +20194,15 @@
     * @param {string} [urlArg]
     * @returns {undefined}
     */
+
+
     this.groupSelectedElements = function (type, urlArg) {
       if (!type) {
         type = 'g';
       }
+
       var cmdStr = '';
-      var url = void 0;
+      var url;
 
       switch (type) {
         case 'a':
@@ -18934,7 +20210,9 @@
             cmdStr = 'Make hyperlink';
             url = urlArg || '';
             break;
-          }default:
+          }
+
+        default:
           {
             type = 'g';
             cmdStr = 'Group Elements';
@@ -18942,45 +20220,47 @@
           }
       }
 
-      var batchCmd = new BatchCommand$1(cmdStr);
+      var batchCmd = new BatchCommand$1(cmdStr); // create and insert the group element
 
-      // create and insert the group element
       var g = addSVGElementFromJson({
         element: type,
         attr: {
           id: getNextId()
         }
       });
+
       if (type === 'a') {
         setHref(g, url);
       }
-      batchCmd.addSubCommand(new InsertElementCommand$1(g));
 
-      // now move all children into the group
+      batchCmd.addSubCommand(new InsertElementCommand$1(g)); // now move all children into the group
+
       var i = selectedElements.length;
+
       while (i--) {
-        var _elem4 = selectedElements[i];
-        if (_elem4 == null) {
+        var elem = selectedElements[i];
+
+        if (elem == null) {
           continue;
         }
 
-        if (_elem4.parentNode.tagName === 'a' && _elem4.parentNode.childNodes.length === 1) {
-          _elem4 = _elem4.parentNode;
+        if (elem.parentNode.tagName === 'a' && elem.parentNode.childNodes.length === 1) {
+          elem = elem.parentNode;
         }
 
-        var oldNextSibling = _elem4.nextSibling;
-        var oldParent = _elem4.parentNode;
-        g.append(_elem4);
-        batchCmd.addSubCommand(new MoveElementCommand$1(_elem4, oldNextSibling, oldParent));
+        var oldNextSibling = elem.nextSibling;
+        var oldParent = elem.parentNode;
+        g.append(elem);
+        batchCmd.addSubCommand(new MoveElementCommand$1(elem, oldNextSibling, oldParent));
       }
+
       if (!batchCmd.isEmpty()) {
         addCommandToHistory(batchCmd);
-      }
+      } // update selection
+
 
-      // update selection
       selectOnly([g], true);
     };
-
     /**
     * Pushes all appropriate parent group properties down to its children, then
     * removes them from the group
@@ -18989,17 +20269,15 @@
     * @param {boolean} undoable
     * @returns {undefined}
     */
+
+
     var pushGroupProperties = this.pushGroupProperties = function (g, undoable) {
       var children = g.childNodes;
       var len = children.length;
       var xform = g.getAttribute('transform');
-
       var glist = getTransformList(g);
       var m = transformListToTransform(glist).matrix;
-
-      var batchCmd = new BatchCommand$1('Push group properties');
-
-      // TODO: get all fill/stroke properties from the group that we are about to destroy
+      var batchCmd = new BatchCommand$1('Push group properties'); // TODO: get all fill/stroke properties from the group that we are about to destroy
       // "fill", "fill-opacity", "fill-rule", "stroke", "stroke-dasharray", "stroke-dashoffset",
       // "stroke-linecap", "stroke-linejoin", "stroke-miterlimit", "stroke-opacity",
       // "stroke-width"
@@ -19007,40 +20285,39 @@
       // then set the child's attribute
 
       var gangle = getRotationAngle(g);
-
       var gattrs = $$9(g).attr(['filter', 'opacity']);
-      var gfilter = void 0,
-          gblur = void 0,
-          changes = void 0;
+      var gfilter, gblur, changes;
       var drawing = getCurrentDrawing();
 
       for (var i = 0; i < len; i++) {
-        var _elem5 = children[i];
+        var elem = children[i];
 
-        if (_elem5.nodeType !== 1) {
+        if (elem.nodeType !== 1) {
           continue;
         }
 
         if (gattrs.opacity !== null && gattrs.opacity !== 1) {
           // const c_opac = elem.getAttribute('opacity') || 1;
-          var newOpac = Math.round((_elem5.getAttribute('opacity') || 1) * gattrs.opacity * 100) / 100;
-          changeSelectedAttribute('opacity', newOpac, [_elem5]);
+          var newOpac = Math.round((elem.getAttribute('opacity') || 1) * gattrs.opacity * 100) / 100;
+          changeSelectedAttribute('opacity', newOpac, [elem]);
         }
 
         if (gattrs.filter) {
-          var cblur = this.getBlur(_elem5);
+          var cblur = this.getBlur(elem);
           var origCblur = cblur;
+
           if (!gblur) {
             gblur = this.getBlur(g);
           }
+
           if (cblur) {
             // Is this formula correct?
             cblur = Number(gblur) + Number(cblur);
           } else if (cblur === 0) {
             cblur = gblur;
-          }
+          } // If child has no current filter, get group's filter or clone it.
+
 
-          // If child has no current filter, get group's filter or clone it.
           if (!origCblur) {
             // Set group's filter to use first child's ID
             if (!gfilter) {
@@ -19051,35 +20328,33 @@
               findDefs().append(gfilter);
             }
           } else {
-            gfilter = getRefElem(_elem5.getAttribute('filter'));
-          }
+            gfilter = getRefElem(elem.getAttribute('filter'));
+          } // Change this in future for different filters
+
 
-          // Change this in future for different filters
           var suffix = gfilter.firstChild.tagName === 'feGaussianBlur' ? 'blur' : 'filter';
-          gfilter.id = _elem5.id + '_' + suffix;
-          changeSelectedAttribute('filter', 'url(#' + gfilter.id + ')', [_elem5]);
+          gfilter.id = elem.id + '_' + suffix;
+          changeSelectedAttribute('filter', 'url(#' + gfilter.id + ')', [elem]); // Update blur value
 
-          // Update blur value
           if (cblur) {
             changeSelectedAttribute('stdDeviation', cblur, [gfilter.firstChild]);
             canvas.setBlurOffsets(gfilter, cblur);
           }
         }
 
-        var chtlist = getTransformList(_elem5);
+        var chtlist = getTransformList(elem); // Don't process gradient transforms
 
-        // Don't process gradient transforms
-        if (_elem5.tagName.includes('Gradient')) {
+        if (elem.tagName.includes('Gradient')) {
           chtlist = null;
-        }
+        } // Hopefully not a problem to add this. Necessary for elements like <desc/>
+
 
-        // Hopefully not a problem to add this. Necessary for elements like <desc/>
         if (!chtlist) {
           continue;
-        }
+        } // Apparently <defs> can get get a transformlist, but we don't want it to have one!
 
-        // Apparently <defs> can get get a transformlist, but we don't want it to have one!
-        if (_elem5.tagName === 'defs') {
+
+        if (elem.tagName === 'defs') {
           continue;
         }
 
@@ -19094,35 +20369,29 @@
             // sum of the group and child's rotation angles
             //  - [Tr] is the equivalent translation that this child
             // undergoes if the group wasn't there
-
             // [Tr] = [Rg] [Rc] [Rc2_inv]
-
             // get group's rotation matrix (Rg)
-            var rgm = glist.getItem(0).matrix;
+            var rgm = glist.getItem(0).matrix; // get child's rotation matrix (Rc)
 
-            // get child's rotation matrix (Rc)
             var rcm = svgroot.createSVGMatrix();
-            var cangle = getRotationAngle(_elem5);
+            var cangle = getRotationAngle(elem);
+
             if (cangle) {
               rcm = chtlist.getItem(0).matrix;
-            }
+            } // get child's old center of rotation
 
-            // get child's old center of rotation
-            var cbox = getBBox(_elem5);
+
+            var cbox = getBBox(elem);
             var ceqm = transformListToTransform(chtlist).matrix;
-            var coldc = transformPoint(cbox.x + cbox.width / 2, cbox.y + cbox.height / 2, ceqm);
+            var coldc = transformPoint(cbox.x + cbox.width / 2, cbox.y + cbox.height / 2, ceqm); // sum group and child's angles
 
-            // sum group and child's angles
-            var sangle = gangle + cangle;
+            var sangle = gangle + cangle; // get child's rotation at the old center (Rc2_inv)
 
-            // get child's rotation at the old center (Rc2_inv)
             var r2 = svgroot.createSVGTransform();
-            r2.setRotate(sangle, coldc.x, coldc.y);
+            r2.setRotate(sangle, coldc.x, coldc.y); // calculate equivalent translate
 
-            // calculate equivalent translate
-            var trm = matrixMultiply(rgm, rcm, r2.matrix.inverse());
+            var trm = matrixMultiply(rgm, rcm, r2.matrix.inverse()); // set up tlist
 
-            // set up tlist
             if (cangle) {
               chtlist.removeItem(0);
             }
@@ -19138,6 +20407,7 @@
             if (trm.e || trm.f) {
               var tr = svgroot.createSVGTransform();
               tr.setTranslate(trm.e, trm.f);
+
               if (chtlist.numberOfItems) {
                 chtlist.insertItemBefore(tr, 0);
               } else {
@@ -19148,28 +20418,28 @@
             // more complicated than just a rotate
             // transfer the group's transform down to each child and then
             // call recalculateDimensions()
-            var oldxform = _elem5.getAttribute('transform');
+            var oldxform = elem.getAttribute('transform');
             changes = {};
             changes.transform = oldxform || '';
-
-            var newxform = svgroot.createSVGTransform();
-
-            // [ gm ] [ chm ] = [ chm ] [ gm' ]
+            var newxform = svgroot.createSVGTransform(); // [ gm ] [ chm ] = [ chm ] [ gm' ]
             // [ gm' ] = [ chmInv ] [ gm ] [ chm ]
+
             var chm = transformListToTransform(chtlist).matrix,
                 chmInv = chm.inverse();
             var gm = matrixMultiply(chmInv, m, chm);
             newxform.setMatrix(gm);
             chtlist.appendItem(newxform);
           }
-          var cmd = recalculateDimensions(_elem5);
+
+          var cmd = recalculateDimensions(elem);
+
           if (cmd) {
             batchCmd.addSubCommand(cmd);
           }
         }
-      }
+      } // remove transform and make it undo-able
+
 
-      // remove transform and make it undo-able
       if (xform) {
         changes = {};
         changes.transform = xform;
@@ -19182,23 +20452,27 @@
         return batchCmd;
       }
     };
-
     /**
     * Unwraps all the elements in a selected group (`g`) element. This requires
     * significant recalculations to apply group's transforms, etc. to its children
     * @function module:svgcanvas.SvgCanvas#ungroupSelectedElement
     * @returns {undefined}
     */
+
+
     this.ungroupSelectedElement = function () {
       var g = selectedElements[0];
+
       if (!g) {
         return;
       }
+
       if ($$9(g).data('gsvg') || $$9(g).data('symbol')) {
         // Is svg, so actually convert to group
         convertToGroup(g);
         return;
       }
+
       if (g.tagName === 'use') {
         // Somehow doesn't have data set, so retrieve
         var symbol = getElem(getHref(g).substr(1));
@@ -19206,15 +20480,18 @@
         convertToGroup(g);
         return;
       }
+
       var parentsA = $$9(g).parents('a');
+
       if (parentsA.length) {
         g = parentsA[0];
-      }
+      } // Look for parent "a"
+
 
-      // Look for parent "a"
       if (g.tagName === 'g' || g.tagName === 'a') {
         var batchCmd = new BatchCommand$1('Ungroup Elements');
         var cmd = pushGroupProperties(g, true);
+
         if (cmd) {
           batchCmd.addSubCommand(cmd);
         }
@@ -19222,44 +20499,40 @@
         var parent = g.parentNode;
         var anchor = g.nextSibling;
         var children = new Array(g.childNodes.length);
-
         var i = 0;
+
         while (g.firstChild) {
-          var _elem6 = g.firstChild;
-          var oldNextSibling = _elem6.nextSibling;
-          var oldParent = _elem6.parentNode;
+          var elem = g.firstChild;
+          var oldNextSibling = elem.nextSibling;
+          var oldParent = elem.parentNode; // Remove child title elements
 
-          // Remove child title elements
-          if (_elem6.tagName === 'title') {
-            var _elem7 = _elem6,
-                nextSibling = _elem7.nextSibling;
-
-            batchCmd.addSubCommand(new RemoveElementCommand$1(_elem6, nextSibling, oldParent));
-            _elem6.remove();
+          if (elem.tagName === 'title') {
+            var _elem2 = elem,
+                nextSibling = _elem2.nextSibling;
+            batchCmd.addSubCommand(new RemoveElementCommand$1(elem, nextSibling, oldParent));
+            elem.remove();
             continue;
           }
 
-          children[i++] = _elem6 = parent.insertBefore(_elem6, anchor);
-          batchCmd.addSubCommand(new MoveElementCommand$1(_elem6, oldNextSibling, oldParent));
-        }
+          children[i++] = elem = parent.insertBefore(elem, anchor);
+          batchCmd.addSubCommand(new MoveElementCommand$1(elem, oldNextSibling, oldParent));
+        } // remove the group from the selection
 
-        // remove the group from the selection
-        clearSelection();
 
-        // delete the group element (but make undo-able)
+        clearSelection(); // delete the group element (but make undo-able)
+
         var gNextSibling = g.nextSibling;
         g = parent.removeChild(g);
         batchCmd.addSubCommand(new RemoveElementCommand$1(g, gNextSibling, parent));
 
         if (!batchCmd.isEmpty()) {
           addCommandToHistory(batchCmd);
-        }
+        } // update selection
+
 
-        // update selection
         addToSelection(children);
       }
     };
-
     /**
     * Repositions the selected element to the bottom in the DOM to appear on top of
     * other elements
@@ -19267,25 +20540,26 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.moveToTopSelectedElement = function () {
       var _selectedElements = selectedElements,
-          _selectedElements2 = slicedToArray(_selectedElements, 1),
+          _selectedElements2 = _slicedToArray(_selectedElements, 1),
           selected = _selectedElements2[0];
 
       if (selected != null) {
         var t = selected;
         var oldParent = t.parentNode;
         var oldNextSibling = t.nextSibling;
-        t = t.parentNode.appendChild(t);
-        // If the element actually moved position, add the command and fire the changed
+        t = t.parentNode.appendChild(t); // If the element actually moved position, add the command and fire the changed
         // event handler.
+
         if (oldNextSibling !== t.nextSibling) {
           addCommandToHistory(new MoveElementCommand$1(t, oldNextSibling, oldParent, 'top'));
           call('changed', [t]);
         }
       }
     };
-
     /**
     * Repositions the selected element to the top in the DOM to appear under
     * other elements
@@ -19293,9 +20567,11 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.moveToBottomSelectedElement = function () {
       var _selectedElements3 = selectedElements,
-          _selectedElements4 = slicedToArray(_selectedElements3, 1),
+          _selectedElements4 = _slicedToArray(_selectedElements3, 1),
           selected = _selectedElements4[0];
 
       if (selected != null) {
@@ -19306,22 +20582,23 @@
 
         if (firstChild.tagName === 'title') {
           firstChild = firstChild.nextSibling;
-        }
-        // This can probably be removed, as the defs should not ever apppear
+        } // This can probably be removed, as the defs should not ever apppear
         // inside a layer group
+
+
         if (firstChild.tagName === 'defs') {
           firstChild = firstChild.nextSibling;
         }
-        t = t.parentNode.insertBefore(t, firstChild);
-        // If the element actually moved position, add the command and fire the changed
+
+        t = t.parentNode.insertBefore(t, firstChild); // If the element actually moved position, add the command and fire the changed
         // event handler.
+
         if (oldNextSibling !== t.nextSibling) {
           addCommandToHistory(new MoveElementCommand$1(t, oldNextSibling, oldParent, 'bottom'));
           call('changed', [t]);
         }
       }
     };
-
     /**
     * Moves the select element up or down the stack, based on the visibly
     * intersecting elements
@@ -19330,17 +20607,20 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {undefined}
     */
+
+
     this.moveUpDownSelected = function (dir) {
       var selected = selectedElements[0];
+
       if (!selected) {
         return;
       }
 
       curBBoxes = [];
-      var closest = void 0,
-          foundCur = void 0;
-      // jQuery sorts this list
+      var closest, foundCur; // jQuery sorts this list
+
       var list = $$9(getIntersectionList(getStrokedBBoxDefaultVisible([selected]))).toArray();
+
       if (dir === 'Down') {
         list.reverse();
       }
@@ -19350,11 +20630,14 @@
           if (this === selected) {
             foundCur = true;
           }
+
           return;
         }
+
         closest = this;
         return false;
       });
+
       if (!closest) {
         return;
       }
@@ -19362,15 +20645,14 @@
       var t = selected;
       var oldParent = t.parentNode;
       var oldNextSibling = t.nextSibling;
-      $$9(closest)[dir === 'Down' ? 'before' : 'after'](t);
-      // If the element actually moved position, add the command and fire the changed
+      $$9(closest)[dir === 'Down' ? 'before' : 'after'](t); // If the element actually moved position, add the command and fire the changed
       // event handler.
+
       if (oldNextSibling !== t.nextSibling) {
         addCommandToHistory(new MoveElementCommand$1(t, oldNextSibling, oldParent, 'Move ' + dir));
         call('changed', [t]);
       }
     };
-
     /**
     * Moves selected elements on the X/Y axis
     * @function module:svgcanvas.SvgCanvas#moveSelectedElements
@@ -19380,6 +20662,8 @@
     * @fires module:svgcanvas.SvgCanvas#event:changed
     * @returns {BatchCommand} Batch command for the move
     */
+
+
     this.moveSelectedElements = function (dx, dy, undoable) {
       // if undoable is not sent, default to true
       // if single values, scale them to the zoom
@@ -19387,11 +20671,14 @@
         dx /= currentZoom;
         dy /= currentZoom;
       }
+
       undoable = undoable || true;
       var batchCmd = new BatchCommand$1('position');
       var i = selectedElements.length;
+
       while (i--) {
         var selected = selectedElements[i];
+
         if (selected != null) {
           // if (i === 0) {
           //   selectedBBoxes[0] = utilsGetBBox(selected);
@@ -19399,11 +20686,9 @@
           // const b = {};
           // for (const j in selectedBBoxes[i]) b[j] = selectedBBoxes[i][j];
           // selectedBBoxes[i] = b;
-
           var xform = svgroot.createSVGTransform();
-          var tlist = getTransformList(selected);
+          var tlist = getTransformList(selected); // dx and dy could be arrays
 
-          // dx and dy could be arrays
           if (dx.constructor === Array) {
             // if (i === 0) {
             //   selectedBBoxes[0].x += dx[0];
@@ -19425,6 +20710,7 @@
           }
 
           var cmd = recalculateDimensions(selected);
+
           if (cmd) {
             batchCmd.addSubCommand(cmd);
           }
@@ -19432,15 +20718,16 @@
           selectorManager.requestSelector(selected).resize();
         }
       }
+
       if (!batchCmd.isEmpty()) {
         if (undoable) {
           addCommandToHistory(batchCmd);
         }
+
         call('changed', selectedElements);
         return batchCmd;
       }
     };
-
     /**
     * Create deep DOM copies (clones) of all selected elements and move them slightly
     * from their originals
@@ -19449,29 +20736,36 @@
     * @param {Float} y Float with the distance to move on the y-axis
     * @returns {undefined}
     */
+
+
     this.cloneSelectedElements = function (x, y) {
-      var i = void 0,
-          elem = void 0;
-      var batchCmd = new BatchCommand$1('Clone Elements');
-      // find all the elements selected (stop at first null)
+      var i, elem;
+      var batchCmd = new BatchCommand$1('Clone Elements'); // find all the elements selected (stop at first null)
+
       var len = selectedElements.length;
+
       function sortfunction(a, b) {
         return $$9(b).index() - $$9(a).index(); // causes an array to be sorted numerically and ascending
       }
+
       selectedElements.sort(sortfunction);
+
       for (i = 0; i < len; ++i) {
         elem = selectedElements[i];
+
         if (elem == null) {
           break;
         }
-      }
-      // use slice to quickly get the subset of elements we need
+      } // use slice to quickly get the subset of elements we need
+
+
       var copiedElements = selectedElements.slice(0, i);
-      this.clearSelection(true);
-      // note that we loop in the reverse way because of the way elements are added
+      this.clearSelection(true); // note that we loop in the reverse way because of the way elements are added
       // to the selectedElements array (top-first)
+
       var drawing = getCurrentDrawing();
       i = copiedElements.length;
+
       while (i--) {
         // clone each element and replace it within copiedElements
         elem = copiedElements[i] = drawing.copyElem(copiedElements[i]);
@@ -19481,11 +20775,11 @@
 
       if (!batchCmd.isEmpty()) {
         addToSelection(copiedElements.reverse()); // Need to reverse for correct selection-adding
+
         this.moveSelectedElements(x, y, false);
         addCommandToHistory(batchCmd);
       }
     };
-
     /**
     * Aligns selected elements
     * @function module:svgcanvas.SvgCanvas#alignSelectedElements
@@ -19493,26 +20787,32 @@
     * @param {"selected"|"largest"|"smallest"|"page"} relativeTo
     * @returns {undefined}
     */
+
+
     this.alignSelectedElements = function (type, relativeTo) {
       var bboxes = []; // angles = [];
+
       var len = selectedElements.length;
+
       if (!len) {
         return;
       }
+
       var minx = Number.MAX_VALUE,
           maxx = Number.MIN_VALUE,
           miny = Number.MAX_VALUE,
           maxy = Number.MIN_VALUE;
       var curwidth = Number.MIN_VALUE,
           curheight = Number.MIN_VALUE;
+
       for (var i = 0; i < len; ++i) {
         if (selectedElements[i] == null) {
           break;
         }
-        var _elem8 = selectedElements[i];
-        bboxes[i] = getStrokedBBoxDefaultVisible([_elem8]);
 
-        // now bbox is axis-aligned and handles rotation
+        var elem = selectedElements[i];
+        bboxes[i] = getStrokedBBoxDefaultVisible([elem]); // now bbox is axis-aligned and handles rotation
+
         switch (relativeTo) {
           case 'smallest':
             if ((type === 'l' || type === 'c' || type === 'r') && (curwidth === Number.MIN_VALUE || curwidth > bboxes[i].width) || (type === 't' || type === 'm' || type === 'b') && (curheight === Number.MIN_VALUE || curheight > bboxes[i].height)) {
@@ -19523,7 +20823,9 @@
               curwidth = bboxes[i].width;
               curheight = bboxes[i].height;
             }
+
             break;
+
           case 'largest':
             if ((type === 'l' || type === 'c' || type === 'r') && (curwidth === Number.MIN_VALUE || curwidth < bboxes[i].width) || (type === 't' || type === 'm' || type === 'b') && (curheight === Number.MIN_VALUE || curheight < bboxes[i].height)) {
               minx = bboxes[i].x;
@@ -19533,25 +20835,32 @@
               curwidth = bboxes[i].width;
               curheight = bboxes[i].height;
             }
+
             break;
+
           default:
             // 'selected'
             if (bboxes[i].x < minx) {
               minx = bboxes[i].x;
             }
+
             if (bboxes[i].y < miny) {
               miny = bboxes[i].y;
             }
+
             if (bboxes[i].x + bboxes[i].width > maxx) {
               maxx = bboxes[i].x + bboxes[i].width;
             }
+
             if (bboxes[i].y + bboxes[i].height > maxy) {
               maxy = bboxes[i].y + bboxes[i].height;
             }
+
             break;
         }
       } // loop for each element to find the bbox and adjust min/max
 
+
       if (relativeTo === 'page') {
         minx = 0;
         miny = 0;
@@ -19561,44 +20870,52 @@
 
       var dx = new Array(len);
       var dy = new Array(len);
+
       for (var _i2 = 0; _i2 < len; ++_i2) {
         if (selectedElements[_i2] == null) {
           break;
-        }
-        // const elem = selectedElements[i];
+        } // const elem = selectedElements[i];
+
+
         var bbox = bboxes[_i2];
         dx[_i2] = 0;
         dy[_i2] = 0;
+
         switch (type) {
           case 'l':
             // left (horizontal)
             dx[_i2] = minx - bbox.x;
             break;
+
           case 'c':
             // center (horizontal)
             dx[_i2] = (minx + maxx) / 2 - (bbox.x + bbox.width / 2);
             break;
+
           case 'r':
             // right (horizontal)
             dx[_i2] = maxx - (bbox.x + bbox.width);
             break;
+
           case 't':
             // top (vertical)
             dy[_i2] = miny - bbox.y;
             break;
+
           case 'm':
             // middle (vertical)
             dy[_i2] = (miny + maxy) / 2 - (bbox.y + bbox.height / 2);
             break;
+
           case 'b':
             // bottom (vertical)
             dy[_i2] = maxy - (bbox.y + bbox.height);
             break;
         }
       }
+
       this.moveSelectedElements(dx, dy);
     };
-
     /**
     * Group: Additional editor tools
     */
@@ -19607,13 +20924,15 @@
     * @name module:svgcanvas.SvgCanvas#contentW
     * @type {Float}
     */
+
+
     this.contentW = getResolution().w;
     /**
     * @name module:svgcanvas.SvgCanvas#contentH
     * @type {Float}
     */
-    this.contentH = getResolution().h;
 
+    this.contentH = getResolution().h;
     /**
     * @typedef {PlainObject} module:svgcanvas.CanvasInfo
     * @property {Float} x - The canvas' new x coordinate
@@ -19632,6 +20951,7 @@
     * @fires module:svgcanvas.SvgCanvas#event:ext-canvasUpdated
     * @returns {module:svgcanvas.CanvasInfo}
     */
+
     this.updateCanvas = function (w, h) {
       svgroot.setAttribute('width', w);
       svgroot.setAttribute('height', h);
@@ -19640,7 +20960,6 @@
       var oldY = svgcontent.getAttribute('y');
       var x = w / 2 - this.contentW * currentZoom / 2;
       var y = h / 2 - this.contentH * currentZoom / 2;
-
       assignAttributes(svgcontent, {
         width: this.contentW * currentZoom,
         height: this.contentH * currentZoom,
@@ -19648,15 +20967,14 @@
         y: y,
         viewBox: '0 0 ' + this.contentW + ' ' + this.contentH
       });
-
       assignAttributes(bg, {
         width: svgcontent.getAttribute('width'),
         height: svgcontent.getAttribute('height'),
         x: x,
         y: y
       });
-
       var bgImg = getElem('background_image');
+
       if (bgImg) {
         assignAttributes(bgImg, {
           width: '100%',
@@ -19676,14 +20994,28 @@
       * @property {Integer} d_x
       * @property {Integer} d_y
       */
+
       runExtensions('canvasUpdated',
       /**
        * @type {module:svgcanvas.SvgCanvas#event:ext-canvasUpdated}
        */
-      { new_x: x, new_y: y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY });
-      return { x: x, y: y, old_x: oldX, old_y: oldY, d_x: x - oldX, d_y: y - oldY };
+      {
+        new_x: x,
+        new_y: y,
+        old_x: oldX,
+        old_y: oldY,
+        d_x: x - oldX,
+        d_y: y - oldY
+      });
+      return {
+        x: x,
+        y: y,
+        old_x: oldX,
+        old_y: oldY,
+        d_x: x - oldX,
+        d_y: y - oldY
+      };
     };
-
     /**
     * Set the background of the editor (NOT the actual document)
     * @function module:svgcanvas.SvgCanvas#setBackground
@@ -19691,11 +21023,14 @@
     * @param {string} url - URL or path to image to use
     * @returns {undefined}
     */
+
+
     this.setBackground = function (color, url) {
       var bg = getElem('canvasBackground');
       var border = $$9(bg).find('rect')[0];
       var bgImg = getElem('background_image');
       border.setAttribute('fill', color);
+
       if (url) {
         if (!bgImg) {
           bgImg = svgdoc.createElementNS(NS.SVG, 'image');
@@ -19707,13 +21042,13 @@
             style: 'pointer-events:none'
           });
         }
+
         setHref(bgImg, url);
         bg.append(bgImg);
       } else if (bgImg) {
         bgImg.remove();
       }
     };
-
     /**
     * Select the next/previous element within the current layer
     * @function module:svgcanvas.SvgCanvas#cycleElement
@@ -19721,38 +21056,45 @@
     * @fires module:svgcanvas.SvgCanvas#event:selected
     * @returns {undefined}
     */
+
+
     this.cycleElement = function (next) {
-      var num = void 0;
+      var num;
       var curElem = selectedElements[0];
       var elem = false;
       var allElems = getVisibleElements(currentGroup || getCurrentDrawing().getCurrentLayer());
+
       if (!allElems.length) {
         return;
       }
+
       if (curElem == null) {
         num = next ? allElems.length - 1 : 0;
         elem = allElems[num];
       } else {
         var i = allElems.length;
+
         while (i--) {
           if (allElems[i] === curElem) {
             num = next ? i - 1 : i + 1;
+
             if (num >= allElems.length) {
               num = 0;
             } else if (num < 0) {
               num = allElems.length - 1;
             }
+
             elem = allElems[num];
             break;
           }
         }
       }
+
       selectOnly([elem], true);
       call('selected', selectedElements);
     };
 
     this.clear();
-
     /**
     * @interface module:svgcanvas.PrivateMethods
     * @type {PlainObject}
@@ -19782,6 +21124,7 @@
     * @property {module:math.transformPoint} transformPoint
     * @property {module:utilities.walkTree} walkTree
     */
+
     /**
     * @deprecated getPrivateMethods
     * Since all methods are/should be public somehow, this function should be removed;
@@ -19794,6 +21137,7 @@
     * @function module:svgcanvas.SvgCanvas#getPrivateMethods
     * @returns {module:svgcanvas.PrivateMethods}
     */
+
     this.getPrivateMethods = function () {
       var obj = {
         addCommandToHistory: addCommandToHistory,
@@ -19831,6 +21175,7 @@
   ; // End class
 
   // Todo: Update: https://github.com/jeresig/jquery.hotkeys
+
   /*
    * jQuery Hotkeys Plugin
    * Copyright 2010, John Resig
@@ -19844,42 +21189,145 @@
    * Original idea by:
    * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/
   */
-
   function jqPluginJSHotkeys (b) {
-    b.hotkeys = { version: "0.8", specialKeys: { 8: "backspace", 9: "tab", 13: "return", 16: "shift", 17: "ctrl", 18: "alt", 19: "pause", 20: "capslock", 27: "esc", 32: "space", 33: "pageup", 34: "pagedown", 35: "end", 36: "home", 37: "left", 38: "up", 39: "right", 40: "down", 45: "insert", 46: "del", 96: "0", 97: "1", 98: "2", 99: "3", 100: "4", 101: "5", 102: "6", 103: "7", 104: "8", 105: "9", 106: "*", 107: "+", 109: "-", 110: ".", 111: "/", 112: "f1", 113: "f2", 114: "f3", 115: "f4", 116: "f5", 117: "f6", 118: "f7", 119: "f8", 120: "f9", 121: "f10", 122: "f11", 123: "f12", 144: "numlock", 145: "scroll", 191: "/", 224: "meta", 219: "[", 221: "]" }, shiftNums: { "`": "~", "1": "!", "2": "@", "3": "#", "4": "$", "5": "%", "6": "^", "7": "&", "8": "*", "9": "(", "0": ")", "-": "_", "=": "+", ";": ": ", "'": '"', ",": "<", ".": ">", "/": "?", "\\": "|" } };function a(d) {
+    b.hotkeys = {
+      version: "0.8",
+      specialKeys: {
+        8: "backspace",
+        9: "tab",
+        13: "return",
+        16: "shift",
+        17: "ctrl",
+        18: "alt",
+        19: "pause",
+        20: "capslock",
+        27: "esc",
+        32: "space",
+        33: "pageup",
+        34: "pagedown",
+        35: "end",
+        36: "home",
+        37: "left",
+        38: "up",
+        39: "right",
+        40: "down",
+        45: "insert",
+        46: "del",
+        96: "0",
+        97: "1",
+        98: "2",
+        99: "3",
+        100: "4",
+        101: "5",
+        102: "6",
+        103: "7",
+        104: "8",
+        105: "9",
+        106: "*",
+        107: "+",
+        109: "-",
+        110: ".",
+        111: "/",
+        112: "f1",
+        113: "f2",
+        114: "f3",
+        115: "f4",
+        116: "f5",
+        117: "f6",
+        118: "f7",
+        119: "f8",
+        120: "f9",
+        121: "f10",
+        122: "f11",
+        123: "f12",
+        144: "numlock",
+        145: "scroll",
+        191: "/",
+        224: "meta",
+        219: "[",
+        221: "]"
+      },
+      shiftNums: {
+        "`": "~",
+        "1": "!",
+        "2": "@",
+        "3": "#",
+        "4": "$",
+        "5": "%",
+        "6": "^",
+        "7": "&",
+        "8": "*",
+        "9": "(",
+        "0": ")",
+        "-": "_",
+        "=": "+",
+        ";": ": ",
+        "'": '"',
+        ",": "<",
+        ".": ">",
+        "/": "?",
+        "\\": "|"
+      }
+    };
+
+    function a(d) {
       if (typeof d.data !== "string") {
         return;
-      }var c = d.handler,
-          e = d.data.toLowerCase().split(" ");d.handler = function (n) {
+      }
+
+      var c = d.handler,
+          e = d.data.toLowerCase().split(" ");
+
+      d.handler = function (n) {
         if (this !== n.target && (/textarea|select/i.test(n.target.nodeName) || n.target.type === "text")) {
           return;
-        }var h = n.type !== "keypress" && b.hotkeys.specialKeys[n.which],
+        }
+
+        var h = n.type !== "keypress" && b.hotkeys.specialKeys[n.which],
             o = String.fromCharCode(n.which).toLowerCase(),
             m = "",
-            g = {};if (n.altKey && h !== "alt") {
+            g = {};
+
+        if (n.altKey && h !== "alt") {
           m += "alt+";
-        }if (n.ctrlKey && h !== "ctrl") {
+        }
+
+        if (n.ctrlKey && h !== "ctrl") {
           m += "ctrl+";
-        }if (n.metaKey && !n.ctrlKey && h !== "meta") {
+        }
+
+        if (n.metaKey && !n.ctrlKey && h !== "meta") {
           m += "meta+";
-        }if (n.shiftKey && h !== "shift") {
+        }
+
+        if (n.shiftKey && h !== "shift") {
           m += "shift+";
-        }if (h) {
+        }
+
+        if (h) {
           g[m + h] = true;
         } else {
-          g[m + o] = true;g[m + b.hotkeys.shiftNums[o]] = true;if (m === "shift+") {
+          g[m + o] = true;
+          g[m + b.hotkeys.shiftNums[o]] = true;
+
+          if (m === "shift+") {
             g[b.hotkeys.shiftNums[o]] = true;
           }
-        }for (var j = 0, f = e.length; j < f; j++) {
+        }
+
+        for (var j = 0, f = e.length; j < f; j++) {
           if (g[e[j]]) {
             return c.apply(this, arguments);
           }
         }
       };
-    }b.each(["keydown", "keyup", "keypress"], function () {
-      b.event.special[this] = { add: a };
-    });
+    }
 
+    b.each(["keydown", "keyup", "keypress"], function () {
+      b.event.special[this] = {
+        add: a
+      };
+    });
     return b;
   }
 
@@ -19892,10 +21340,8 @@
    * Dual licensed under the MIT and GPL licenses.
    * http://benalman.com/about/license/
    */
-
   // For sake of modules, added this wrapping export and changed `this` to `window`
   function jqPluginBBQ (jQuery) {
-
     (function ($, p) {
       var i,
           m = Array.prototype.slice,
@@ -19919,49 +21365,101 @@
           x = /^.*\?|#.*$/g,
           w = /^.*\#/,
           h,
-          C = {};function E(F) {
+          C = {};
+
+      function E(F) {
         return typeof F === "string";
-      }function B(G) {
-        var F = m.call(arguments, 1);return function () {
+      }
+
+      function B(G) {
+        var F = m.call(arguments, 1);
+        return function () {
           return G.apply(this, F.concat(m.call(arguments)));
         };
-      }function n(F) {
+      }
+
+      function n(F) {
         return F.replace(/^[^#]*#?(.*)$/, "$1");
-      }function o(F) {
+      }
+
+      function o(F) {
         return F.replace(/(?:^[^?#]*\?([^#]*).*$)?.*/, "$1");
-      }function f(H, M, F, I, G) {
-        var O, L, K, N, J;if (I !== i) {
-          K = F.match(H ? /^([^#]*)\#?(.*)$/ : /^([^#?]*)\??([^#]*)(#?.*)/);J = K[3] || "";if (G === 2 && E(I)) {
+      }
+
+      function f(H, M, F, I, G) {
+        var O, L, K, N, J;
+
+        if (I !== i) {
+          K = F.match(H ? /^([^#]*)\#?(.*)$/ : /^([^#?]*)\??([^#]*)(#?.*)/);
+          J = K[3] || "";
+
+          if (G === 2 && E(I)) {
             L = I.replace(H ? w : x, "");
           } else {
-            N = l(K[2]);I = E(I) ? l[H ? D : A](I) : I;L = G === 2 ? I : G === 1 ? $.extend({}, I, N) : $.extend({}, N, I);L = a(L);if (H) {
+            N = l(K[2]);
+            I = E(I) ? l[H ? D : A](I) : I;
+            L = G === 2 ? I : G === 1 ? $.extend({}, I, N) : $.extend({}, N, I);
+            L = a(L);
+
+            if (H) {
               L = L.replace(h, r);
             }
-          }O = K[1] + (H ? "#" : L || !K[1] ? "?" : "") + L + J;
+          }
+
+          O = K[1] + (H ? "#" : L || !K[1] ? "?" : "") + L + J;
         } else {
           O = M(F !== i ? F : p[g][k]);
-        }return O;
-      }a[A] = B(f, 0, o);a[D] = c = B(f, 1, n);c.noEscape = function (G) {
-        G = G || "";var F = $.map(G.split(""), encodeURIComponent);h = new RegExp(F.join("|"), "g");
-      };c.noEscape(",/");$.deparam = l = function l(I, F) {
+        }
+
+        return O;
+      }
+
+      a[A] = B(f, 0, o);
+      a[D] = c = B(f, 1, n);
+
+      c.noEscape = function (G) {
+        G = G || "";
+        var F = $.map(G.split(""), encodeURIComponent);
+        h = new RegExp(F.join("|"), "g");
+      };
+
+      c.noEscape(",/");
+
+      $.deparam = l = function l(I, F) {
         var H = {},
-            G = { "true": !0, "false": !1, "null": null };$.each(I.replace(/\+/g, " ").split("&"), function (L, Q) {
+            G = {
+          "true": !0,
+          "false": !1,
+          "null": null
+        };
+        $.each(I.replace(/\+/g, " ").split("&"), function (L, Q) {
           var K = Q.split("="),
               P = r(K[0]),
               J,
               O = H,
               M = 0,
               R = P.split("]["),
-              N = R.length - 1;if (/\[/.test(R[0]) && /\]$/.test(R[N])) {
-            R[N] = R[N].replace(/\]$/, "");R = R.shift().split("[").concat(R);N = R.length - 1;
+              N = R.length - 1;
+
+          if (/\[/.test(R[0]) && /\]$/.test(R[N])) {
+            R[N] = R[N].replace(/\]$/, "");
+            R = R.shift().split("[").concat(R);
+            N = R.length - 1;
           } else {
             N = 0;
-          }if (K.length === 2) {
-            J = r(K[1]);if (F) {
+          }
+
+          if (K.length === 2) {
+            J = r(K[1]);
+
+            if (F) {
               J = J && !isNaN(J) ? +J : J === "undefined" ? i : G[J] !== i ? G[J] : J;
-            }if (N) {
+            }
+
+            if (N) {
               for (; M <= N; M++) {
-                P = R[M] === "" ? O.length : R[M];O = O[P] = M < N ? O[P] || (R[M + 1] && isNaN(R[M + 1]) ? {} : []) : J;
+                P = R[M] === "" ? O.length : R[M];
+                O = O[P] = M < N ? O[P] || (R[M + 1] && isNaN(R[M + 1]) ? {} : []) : J;
               }
             } else {
               if ($.isArray(H[P])) {
@@ -19979,47 +21477,105 @@
               H[P] = F ? i : "";
             }
           }
-        });return H;
-      };function z(H, F, G) {
+        });
+        return H;
+      };
+
+      function z(H, F, G) {
         if (F === i || typeof F === "boolean") {
-          G = F;F = a[H ? D : A]();
+          G = F;
+          F = a[H ? D : A]();
         } else {
           F = E(F) ? F.replace(H ? w : x, "") : F;
-        }return l(F, G);
-      }l[A] = B(z, 0);l[D] = v = B(z, 1);$[y] || ($[y] = function (F) {
+        }
+
+        return l(F, G);
+      }
+
+      l[A] = B(z, 0);
+      l[D] = v = B(z, 1);
+      $[y] || ($[y] = function (F) {
         return $.extend(C, F);
-      })({ a: k, base: k, iframe: t, img: t, input: t, form: "action", link: k, script: t });j = $[y];function s(I, G, H, F) {
-        if (!E(H) && (typeof H === "undefined" ? "undefined" : _typeof(H)) !== "object") {
-          F = H;H = G;G = i;
-        }return this.each(function () {
+      })({
+        a: k,
+        base: k,
+        iframe: t,
+        img: t,
+        input: t,
+        form: "action",
+        link: k,
+        script: t
+      });
+      j = $[y];
+
+      function s(I, G, H, F) {
+        if (!E(H) && _typeof(H) !== "object") {
+          F = H;
+          H = G;
+          G = i;
+        }
+
+        return this.each(function () {
           var L = $(this),
               J = G || j()[(this.nodeName || "").toLowerCase()] || "",
-              K = J && L.attr(J) || "";L.attr(J, a[I](K, H, F));
+              K = J && L.attr(J) || "";
+          L.attr(J, a[I](K, H, F));
         });
-      }$.fn[A] = B(s, A);$.fn[D] = B(s, D);b.pushState = q = function q(I, F) {
+      }
+
+      $.fn[A] = B(s, A);
+      $.fn[D] = B(s, D);
+
+      b.pushState = q = function q(I, F) {
         if (E(I) && /^#/.test(I) && F === i) {
           F = 2;
-        }var H = I !== i,
-            G = c(p[g][k], H ? I : {}, H ? F : 2);p[g][k] = G + (/#/.test(G) ? "" : "#");
-      };b.getState = u = function u(F, G) {
+        }
+
+        var H = I !== i,
+            G = c(p[g][k], H ? I : {}, H ? F : 2);
+        p[g][k] = G + (/#/.test(G) ? "" : "#");
+      };
+
+      b.getState = u = function u(F, G) {
         return F === i || typeof F === "boolean" ? v(F) : v(G)[F];
-      };b.removeState = function (F) {
-        var G = {};if (F !== i) {
-          G = u();$.each($.isArray(F) ? F : arguments, function (I, H) {
+      };
+
+      b.removeState = function (F) {
+        var G = {};
+
+        if (F !== i) {
+          G = u();
+          $.each($.isArray(F) ? F : arguments, function (I, H) {
             delete G[H];
           });
-        }q(G, 2);
-      };e[d] = $.extend(e[d], { add: function add(F) {
-          var H;function G(J) {
-            var I = J[D] = c();J.getState = function (K, L) {
+        }
+
+        q(G, 2);
+      };
+
+      e[d] = $.extend(e[d], {
+        add: function add(F) {
+          var H;
+
+          function G(J) {
+            var I = J[D] = c();
+
+            J.getState = function (K, L) {
               return K === i || typeof K === "boolean" ? l(I, K) : l(I, L)[K];
-            };H.apply(this, arguments);
-          }if ($.isFunction(F)) {
-            H = F;return G;
-          } else {
-            H = F.handler;F.handler = G;
+            };
+
+            H.apply(this, arguments);
           }
-        } });
+
+          if ($.isFunction(F)) {
+            H = F;
+            return G;
+          } else {
+            H = F.handler;
+            F.handler = G;
+          }
+        }
+      });
     })(jQuery, window);
     /*
      * jQuery hashchange event - v1.2 - 2/11/2010
@@ -20029,6 +21585,8 @@
      * Dual licensed under the MIT and GPL licenses.
      * http://benalman.com/about/license/
      */
+
+
     (function ($, i, b) {
       var j,
           k = $.event.special,
@@ -20038,51 +21596,95 @@
           f = $.browser,
           g = document.documentMode,
           h = f.msie && (g === b || g < 8),
-          e = "on" + d in i && !h;function a(m) {
-        m = m || i[c][l];return m.replace(/^[^#]*#?(.*)$/, "$1");
-      }$[d + "Delay"] = 100;k[d] = $.extend(k[d], { setup: function setup() {
+          e = "on" + d in i && !h;
+
+      function a(m) {
+        m = m || i[c][l];
+        return m.replace(/^[^#]*#?(.*)$/, "$1");
+      }
+
+      $[d + "Delay"] = 100;
+      k[d] = $.extend(k[d], {
+        setup: function setup() {
           if (e) {
             return false;
-          }$(j.start);
-        }, teardown: function teardown() {
+          }
+
+          $(j.start);
+        },
+        teardown: function teardown() {
           if (e) {
             return false;
-          }$(j.stop);
-        } });j = function () {
+          }
+
+          $(j.stop);
+        }
+      });
+
+      j = function () {
         var m = {},
             r,
             n,
             o,
-            q;function p() {
+            q;
+
+        function p() {
           o = q = function q(s) {
             return s;
-          };if (h) {
-            n = $('<iframe src="javascript:0"/>').hide().insertAfter("body")[0].contentWindow;q = function q() {
+          };
+
+          if (h) {
+            n = $('<iframe src="javascript:0"/>').hide().insertAfter("body")[0].contentWindow;
+
+            q = function q() {
               return a(n.document[c][l]);
-            };o = function o(u, s) {
+            };
+
+            o = function o(u, s) {
               if (u !== s) {
-                var t = n.document;t.open().close();t[c].hash = "#" + u;
+                var t = n.document;
+                t.open().close();
+                t[c].hash = "#" + u;
               }
-            };o(a());
+            };
+
+            o(a());
           }
-        }m.start = function () {
+        }
+
+        m.start = function () {
           if (r) {
             return;
-          }var t = a();o || p();(function s() {
+          }
+
+          var t = a();
+          o || p();
+
+          (function s() {
             var v = a(),
-                u = q(t);if (v !== t) {
-              o(t = v, u);$(i).trigger(d);
+                u = q(t);
+
+            if (v !== t) {
+              o(t = v, u);
+              $(i).trigger(d);
             } else {
               if (u !== t) {
                 i[c][l] = i[c][l].replace(/#.*/, "") + "#" + u;
               }
-            }r = setTimeout(s, $[d + "Delay"]);
+            }
+
+            r = setTimeout(s, $[d + "Delay"]);
           })();
-        };m.stop = function () {
+        };
+
+        m.stop = function () {
           if (!n) {
-            r && clearTimeout(r);r = 0;
+            r && clearTimeout(r);
+            r = 0;
           }
-        };return m;
+        };
+
+        return m;
       }();
     })(jQuery, window);
 
@@ -20188,8 +21790,7 @@
   */
   function jqPluginSVGIcons ($) {
     var svgIcons = {};
-
-    var fixIDs = void 0;
+    var fixIDs;
     /**
     * @function external:jQuery.svgIcons
     * @param {string} file The location of a local SVG or SVGz file
@@ -20215,28 +21816,28 @@
       parse as XML. SVGZ files add compression benefits, but getting data from
       them fails in Firefox 2 and older.
     */
+
     $.svgIcons = function (file) {
       var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
-
       var svgns = 'http://www.w3.org/2000/svg',
           xlinkns = 'http://www.w3.org/1999/xlink',
           iconW = opts.w || 24,
           iconH = opts.h || 24;
-      var elems = void 0,
-          svgdoc = void 0,
-          testImg = void 0,
+      var elems,
+          svgdoc,
+          testImg,
           iconsMade = false,
           dataLoaded = false,
           loadAttempts = 0;
       var isOpera = !!window.opera,
-
-      // ua = navigator.userAgent,
+          // ua = navigator.userAgent,
       // isSafari = (ua.includes('Safari/') && !ua.includes('Chrome/')),
       dataPre = 'data:image/svg+xml;charset=utf-8;base64,';
+      var dataEl;
 
-      var dataEl = void 0;
       if (opts.svgz) {
         dataEl = $('<object data="' + file + '" type=image/svg+xml>').appendTo('body').hide();
+
         try {
           svgdoc = dataEl[0].contentDocument;
           dataEl.load(getIcons);
@@ -20254,6 +21855,7 @@
               $(useFallback);
               return;
             }
+
             svgdoc = parser.parseFromString(data, 'text/xml');
             $(function () {
               getIcons('ajax');
@@ -20272,6 +21874,7 @@
                 if (!svgdoc.childNodes.length) {
                   $(useFallback);
                 }
+
                 $(function () {
                   getIcons('ajax');
                 });
@@ -20285,22 +21888,27 @@
 
       function getIcons(evt, noWait) {
         if (evt !== 'ajax') {
-          if (dataLoaded) return;
-          // Webkit sometimes says svgdoc is undefined, other times
+          if (dataLoaded) return; // Webkit sometimes says svgdoc is undefined, other times
           // it fails to load all nodes. Thus we must make sure the "eof"
           // element is loaded.
+
           svgdoc = dataEl[0].contentDocument; // Needed again for Webkit
+
           var isReady = svgdoc && svgdoc.getElementById('svg_eof');
+
           if (!isReady && !(noWait && isReady)) {
             loadAttempts++;
+
             if (loadAttempts < 50) {
               setTimeout(getIcons, 20);
             } else {
               useFallback();
               dataLoaded = true;
             }
+
             return;
           }
+
           dataLoaded = true;
         }
 
@@ -20308,7 +21916,6 @@
 
         if (!opts.no_img) {
           var testSrc = dataPre + 'PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNzUiIGhlaWdodD0iMjc1Ij48L3N2Zz4%3D';
-
           testImg = $(new Image()).attr({
             src: testSrc,
             width: 0,
@@ -20328,6 +21935,7 @@
 
       function setIcon(target, icon, id, setID) {
         if (isOpera) icon.css('visibility', 'hidden');
+
         if (opts.replace) {
           if (setID) icon.attr('id', id);
           var cl = target.attr('class');
@@ -20336,6 +21944,7 @@
         } else {
           target.append(icon);
         }
+
         if (isOpera) {
           setTimeout(function () {
             icon.removeAttr('style');
@@ -20343,23 +21952,26 @@
         }
       }
 
-      var holder = void 0;
+      var holder;
+
       function addIcon(icon, id) {
         if (opts.id_match === undefined || opts.id_match !== false) {
           setIcon(holder, icon, id, true);
         }
+
         svgIcons[id] = icon;
       }
 
       function makeIcons(toImage, fallback) {
         if (iconsMade) return;
         if (opts.no_img) toImage = false;
+        var tempHolder;
 
-        var tempHolder = void 0;
         if (toImage) {
           tempHolder = $(document.createElement('div'));
           tempHolder.hide().appendTo('body');
         }
+
         if (fallback) {
           var path = opts.fallback_path || '';
           $.each(fallback, function (id, imgsrc) {
@@ -20371,56 +21983,55 @@
               height: iconH,
               alt: 'icon'
             });
-
             addIcon(icon, id);
           });
         } else {
           var len = elems.length;
+
           for (var i = 0; i < len; i++) {
             var elem = elems[i];
             var id = elem.id;
-
             if (id === 'svg_eof') break;
             holder = $('#' + id);
-            var svgroot = document.createElementNS(svgns, 'svg');
-            // Per https://www.w3.org/TR/xml-names11/#defaulting, the namespace for
+            var svgroot = document.createElementNS(svgns, 'svg'); // Per https://www.w3.org/TR/xml-names11/#defaulting, the namespace for
             // attributes should have no value.
+
             svgroot.setAttributeNS(null, 'viewBox', [0, 0, iconW, iconH].join(' '));
+            var svg = elem.getElementsByTagNameNS(svgns, 'svg')[0]; // Make flexible by converting width/height to viewBox
 
-            var svg = elem.getElementsByTagNameNS(svgns, 'svg')[0];
-
-            // Make flexible by converting width/height to viewBox
             var w = svg.getAttribute('width');
             var h = svg.getAttribute('height');
             svg.removeAttribute('width');
             svg.removeAttribute('height');
-
             var vb = svg.getAttribute('viewBox');
+
             if (!vb) {
               svg.setAttribute('viewBox', [0, 0, w, h].join(' '));
-            }
+            } // Not using jQuery to be a bit faster
+
 
-            // Not using jQuery to be a bit faster
             svgroot.setAttribute('xmlns', svgns);
             svgroot.setAttribute('width', iconW);
             svgroot.setAttribute('height', iconH);
             svgroot.setAttribute('xmlns:xlink', xlinkns);
-            svgroot.setAttribute('class', 'svg_icon');
-
-            // Without cloning, Firefox will make another GET request.
+            svgroot.setAttribute('class', 'svg_icon'); // Without cloning, Firefox will make another GET request.
             // With cloning, causes issue in Opera/Win/Non-EN
+
             if (!isOpera) svg = svg.cloneNode(true);
-
             svgroot.append(svg);
-
             var icon = void 0;
+
             if (toImage) {
               tempHolder.empty().append(svgroot);
               var str = dataPre + encode64(unescape(encodeURIComponent(new XMLSerializer().serializeToString(svgroot))));
-              icon = $(new Image()).attr({ class: 'svg_icon', src: str });
+              icon = $(new Image()).attr({
+                class: 'svg_icon',
+                src: str
+              });
             } else {
               icon = fixIDs($(svgroot), i);
             }
+
             addIcon(icon, id);
           }
         }
@@ -20435,22 +22046,23 @@
             });
           });
         }
+
         if (!fallback) {
           if (toImage) tempHolder.remove();
           if (dataEl) dataEl.remove();
           if (testImg) testImg.remove();
         }
+
         if (opts.resize) $.resizeSvgIcons(opts.resize);
         iconsMade = true;
-
         if (opts.callback) opts.callback(svgIcons);
       }
 
       fixIDs = function fixIDs(svgEl, svgNum, force) {
         var defs = svgEl.find('defs');
         if (!defs.length) return svgEl;
+        var idElems;
 
-        var idElems = void 0;
         if (isOpera) {
           idElems = defs.find('*').filter(function () {
             return !!this.id;
@@ -20461,7 +22073,6 @@
 
         var allElems = svgEl[0].getElementsByTagName('*'),
             len = allElems.length;
-
         idElems.each(function (i) {
           var id = this.id;
           /*
@@ -20472,11 +22083,8 @@
 
           var newId = 'x' + id + svgNum + i;
           this.id = newId;
-
           var oldVal = 'url(#' + id + ')';
-          var newVal = 'url(#' + newId + ')';
-
-          // Selector method, possibly faster but fails in Opera / jQuery 1.4.3
+          var newVal = 'url(#' + newId + ')'; // Selector method, possibly faster but fails in Opera / jQuery 1.4.3
           //  svgEl.find('[fill="url(#' + id + ')"]').each(function() {
           //    this.setAttribute('fill', 'url(#' + newId + ')');
           //  }).end().find('[stroke="url(#' + id + ')"]').each(function() {
@@ -20491,12 +22099,15 @@
 
           for (i = 0; i < len; i++) {
             var elem = allElems[i];
+
             if (elem.getAttribute('fill') === oldVal) {
               elem.setAttribute('fill', newVal);
             }
+
             if (elem.getAttribute('stroke') === oldVal) {
               elem.setAttribute('stroke', newVal);
             }
+
             if (elem.getAttribute('filter') === oldVal) {
               elem.setAttribute('filter', newVal);
             }
@@ -20508,9 +22119,11 @@
       function useFallback() {
         if (file.includes('.svgz')) {
           var regFile = file.replace('.svgz', '.svg');
+
           if (window.console) {
             console.log('.svgz failed, trying with .svg');
           }
+
           $.svgIcons(regFile, opts);
         } else if (opts.fallback) {
           makeIcons(false, opts.fallback);
@@ -20522,19 +22135,18 @@
         if (window.btoa) return window.btoa(input);
         var _keyStr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
         var output = new Array(Math.floor((input.length + 2) / 3) * 4);
-
         var i = 0,
             p = 0;
+
         do {
           var chr1 = input.charCodeAt(i++);
           var chr2 = input.charCodeAt(i++);
           var chr3 = input.charCodeAt(i++);
-
           var enc1 = chr1 >> 2;
           var enc2 = (chr1 & 3) << 4 | chr2 >> 4;
-
           var enc3 = (chr2 & 15) << 2 | chr3 >> 6;
           var enc4 = chr3 & 63;
+
           if (isNaN(chr2)) {
             enc3 = enc4 = 64;
           } else if (isNaN(chr3)) {
@@ -20550,21 +22162,23 @@
         return output.join('');
       }
     };
-
     /**
     * @function external:jQuery.getSvgIcon
     * @param {string} id
     * @param {boolean} uniqueClone Whether to clone
     * @returns {external:jQuery} The icon (optionally cloned)
     */
+
+
     $.getSvgIcon = function (id, uniqueClone) {
       var icon = svgIcons[id];
+
       if (uniqueClone && icon) {
         icon = fixIDs(icon, 0, true).clone(true);
       }
+
       return icon;
     };
-
     /**
     * @typedef {GenericArray} module:jQuerySVGIcons.Dimensions
     * @property {Integer} length 2
@@ -20582,6 +22196,8 @@
     * @param {PlainObject.<string, module:jQuerySVGIcons.Size>} obj Object with selectors as keys. The values are sizes.
     * @returns {undefined}
     */
+
+
     $.resizeSvgIcons = function (obj) {
       // FF2 and older don't detect .svg_icon, so we change it detect svg elems instead
       var changeSel = !$('.svg_icon:first').length;
@@ -20589,12 +22205,15 @@
         var arr = Array.isArray(size);
         var w = arr ? size[0] : size,
             h = arr ? size[1] : size;
+
         if (changeSel) {
           sel = sel.replace(/\.svg_icon/g, 'svg');
         }
+
         $(sel).each(function () {
           this.setAttribute('width', w);
           this.setAttribute('height', h);
+
           if (window.opera && window.widget) {
             this.parentNode.style.width = w + 'px';
             this.parentNode.style.height = h + 'px';
@@ -20602,6 +22221,7 @@
         });
       });
     };
+
     return $;
   }
 
@@ -20629,13 +22249,13 @@
     * The jQuery namespace.
     * @external jQuery
   */
+
   /**
    * The jQuery plugin namespace.
    * @namespace {PlainObject} fn
    * @memberof external:jQuery
    * @see {@link http://learn.jquery.com/plugins/|jQuery Plugins}
    */
-
   var ns = {
     svg: 'http://www.w3.org/2000/svg',
     xlink: 'http://www.w3.org/1999/xlink'
@@ -20647,22 +22267,24 @@
       dir: function dir(str) {}
     };
   }
-
   /**
   * Adds {@link external:jQuery.jGraduate.Paint}, {@link external:jQuery.fn.jGraduateDefaults}, {@link external:jQuery.fn.jGraduate}
   * @function module:jGraduate.jGraduate
   * @param {external:jQuery} $ The jQuery instance to wrap
   * @returns {external:jQuery}
   */
+
+
   function jqPluginJGraduate ($) {
     if (!$.loadingStylesheets) {
       $.loadingStylesheets = [];
     }
+
     var stylesheet = 'jgraduate/css/jGraduate.css';
+
     if (!$.loadingStylesheets.includes(stylesheet)) {
       $.loadingStylesheets.push(stylesheet);
     }
-
     /**
     * @typedef {PlainObject} module:jGraduate.jGraduatePaintOptions
     * @param {Float} [alpha]
@@ -20676,16 +22298,17 @@
     * @memberof module:jGraduate~
     */
 
+
     var Paint =
     /**
      * @param {module:jGraduate.jGraduatePaintOptions} [opt]
     */
     function Paint(opt) {
-      classCallCheck(this, Paint);
+      _classCallCheck(this, Paint);
 
       var options = opt || {};
-      this.alpha = isNaN(options.alpha) ? 100 : options.alpha;
-      // copy paint object
+      this.alpha = isNaN(options.alpha) ? 100 : options.alpha; // copy paint object
+
       if (options.copy) {
         /**
          * @name module:jGraduate~Paint#type
@@ -20697,54 +22320,58 @@
          * @name module:jGraduate~Paint#alpha
          * @type {Float}
          */
+
         this.alpha = options.copy.alpha;
         /**
          * Represents #RRGGBB hex of color
          * @name module:jGraduate~Paint#solidColor
          * @type {string}
          */
+
         this.solidColor = null;
         /**
          * @name module:jGraduate~Paint#linearGradient
          * @type {SVGLinearGradientElement}
          */
+
         this.linearGradient = null;
         /**
          * @name module:jGraduate~Paint#radialGradient
          * @type {SVGRadialGradientElement}
          */
+
         this.radialGradient = null;
 
         switch (this.type) {
           case 'none':
             break;
+
           case 'solidColor':
             this.solidColor = options.copy.solidColor;
             break;
+
           case 'linearGradient':
             this.linearGradient = options.copy.linearGradient.cloneNode(true);
             break;
+
           case 'radialGradient':
             this.radialGradient = options.copy.radialGradient.cloneNode(true);
             break;
-        }
-        // create linear gradient paint
+        } // create linear gradient paint
+
       } else if (options.linearGradient) {
         this.type = 'linearGradient';
         this.solidColor = null;
         this.radialGradient = null;
-        this.linearGradient = options.linearGradient.cloneNode(true);
-        // create linear gradient paint
+        this.linearGradient = options.linearGradient.cloneNode(true); // create linear gradient paint
       } else if (options.radialGradient) {
         this.type = 'radialGradient';
         this.solidColor = null;
         this.linearGradient = null;
-        this.radialGradient = options.radialGradient.cloneNode(true);
-        // create solid color paint
+        this.radialGradient = options.radialGradient.cloneNode(true); // create solid color paint
       } else if (options.solidColor) {
         this.type = 'solidColor';
-        this.solidColor = options.solidColor;
-        // create empty paint
+        this.solidColor = options.solidColor; // create empty paint
       } else {
         this.type = 'none';
         this.solidColor = null;
@@ -20758,27 +22385,32 @@
     */
 
 
-    $.jGraduate = /** @lends external:jQuery.jGraduate */{
+    $.jGraduate =
+    /** @lends external:jQuery.jGraduate */
+    {
       /**
       * @class external:jQuery.jGraduate.Paint
       * @see module:jGraduate~Paint
       */
       Paint: Paint
-    };
-
-    // JSDoc doesn't show this as belonging to our `module:jGraduate.Options` type,
+    }; // JSDoc doesn't show this as belonging to our `module:jGraduate.Options` type,
     //   so we use `@see`
+
     /**
     * @namespace {module:jGraduate.Options} jGraduateDefaults
     * @memberof external:jQuery.fn
     */
-    $.fn.jGraduateDefaults = /** @lends external:jQuery.fn.jGraduateDefaults */{
+
+    $.fn.jGraduateDefaults =
+    /** @lends external:jQuery.fn.jGraduateDefaults */
+    {
       /**
       * Creates an object with a 'none' color
       * @type {external:jQuery.jGraduate.Paint}
       * @see module:jGraduate.Options
       */
       paint: new $.jGraduate.Paint(),
+
       /**
       * @namespace
       */
@@ -20789,6 +22421,7 @@
         */
         pickerTitle: 'Drag markers to pick a paint'
       },
+
       /**
       * @namespace
       */
@@ -20799,13 +22432,14 @@
         */
         clientPath: 'images/'
       },
+
       /**
       * @type {string}
       * @see module:jGraduate.Options
       */
       newstop: 'inverse' // same, inverse, black, white
-    };
 
+    };
     var isGecko = navigator.userAgent.includes('Gecko/');
 
     function setAttrs(elem, attrs) {
@@ -20817,6 +22451,7 @@
         for (var _aname in attrs) {
           var val = attrs[_aname],
               prop = elem[_aname];
+
           if (prop && prop.constructor === 'SVGLength') {
             prop.baseVal.value = val;
           } else {
@@ -20829,17 +22464,19 @@
     function mkElem(name, attrs, newparent) {
       var elem = document.createElementNS(ns.svg, name);
       setAttrs(elem, attrs);
+
       if (newparent) {
         newparent.append(elem);
       }
+
       return elem;
     }
-
     /**
     * @typedef {PlainObject} module:jGraduate.ColorOpac Object may have one or both values
     * @property {string} [color] #Hex color
     * @property {Float} [opac] 0-1
     */
+
     /**
     * @typedef {PlainObject} module:jGraduate.Options
     * @property {module:jGraduate~Paint} [paint] A Paint object object describing the paint to display initially; defaults to a new instance without options (defaults to opaque white)
@@ -20855,6 +22492,7 @@
     * @param {external:jQuery.jGraduate.Paint} paint
     * @returns {undefined}
     */
+
     /**
     * @callback external:jQuery.fn.jGraduate.CancelCallback
     * @returns {undefined}
@@ -20867,6 +22505,8 @@
     * @param {external:jQuery.fn.jGraduate.CancelCallback} [cancelCallback] Called with no arguments when Cancel is pressed
     * @returns {external:jQuery}
     */
+
+
     $.fn.jGraduate = function (options, okCallback, cancelCallback) {
       return this.each(function () {
         var $this = $(this),
@@ -20884,108 +22524,109 @@
             case 'radialGradient':
               $this.paint.linearGradient = null;
               break;
+
             case 'linearGradient':
               $this.paint.radialGradient = null;
               break;
+
             case 'solidColor':
               $this.paint.radialGradient = $this.paint.linearGradient = null;
               break;
           }
+
           typeof $this.okCallback === 'function' && $this.okCallback($this.paint);
           $this.hide();
         };
+
         var cancelClicked = function cancelClicked() {
           typeof $this.cancelCallback === 'function' && $this.cancelCallback();
           $this.hide();
         };
 
-        $.extend(true, $this, { // public properties, methods, and callbacks
+        $.extend(true, $this, {
+          // public properties, methods, and callbacks
           // make a copy of the incoming paint
-          paint: new $.jGraduate.Paint({ copy: $settings.paint }),
+          paint: new $.jGraduate.Paint({
+            copy: $settings.paint
+          }),
           okCallback: typeof okCallback === 'function' ? okCallback : null,
           cancelCallback: typeof cancelCallback === 'function' ? cancelCallback : null
         });
-
         var // pos = $this.position(),
         color = null;
         var $win = $(window);
 
         if ($this.paint.type === 'none') {
-          $this.paint = new $.jGraduate.Paint({ solidColor: 'ffffff' });
+          $this.paint = new $.jGraduate.Paint({
+            solidColor: 'ffffff'
+          });
         }
 
         $this.addClass('jGraduate_Picker');
         $this.html('<ul class="jGraduate_tabs">' + '<li class="jGraduate_tab_color jGraduate_tab_current" data-type="col">Solid Color</li>' + '<li class="jGraduate_tab_lingrad" data-type="lg">Linear Gradient</li>' + '<li class="jGraduate_tab_radgrad" data-type="rg">Radial Gradient</li>' + '</ul>' + '<div class="jGraduate_colPick"></div>' + '<div class="jGraduate_gradPick"></div>' + '<div class="jGraduate_LightBox"></div>' + '<div id="' + id + '_jGraduate_stopPicker" class="jGraduate_stopPicker"></div>');
         var colPicker = $(idref + '> .jGraduate_colPick');
         var gradPicker = $(idref + '> .jGraduate_gradPick');
-
-        gradPicker.html('<div id="' + id + '_jGraduate_Swatch" class="jGraduate_Swatch">' + '<h2 class="jGraduate_Title">' + $settings.window.pickerTitle + '</h2>' + '<div id="' + id + '_jGraduate_GradContainer" class="jGraduate_GradContainer"></div>' + '<div id="' + id + '_jGraduate_StopSlider" class="jGraduate_StopSlider"></div>' + '</div>' + '<div class="jGraduate_Form jGraduate_Points jGraduate_lg_field">' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Begin Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_x1" size="3" title="Enter starting x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_y1" size="3" title="Enter starting y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">End Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_x2" size="3" title="Enter ending x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_y2" size="3" title="Enter ending y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '</div>' + '<div class="jGraduate_Form jGraduate_Points jGraduate_rg_field">' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Center Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_cx" size="3" title="Enter x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_cy" size="3" title="Enter y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Focal Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>Match center: <input type="checkbox" checked="checked" id="' + id + '_jGraduate_match_ctr"/></label><br/>' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_fx" size="3" title="Enter x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_fy" size="3" title="Enter y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection jGraduate_SpreadMethod">' + '<label class="jGraduate_Form_Heading">Spread method</label>' + '<div class="jGraduate_Form_Section">' + '<select class="jGraduate_spreadMethod">' + '<option value=pad selected>Pad</option>' + '<option value=reflect>Reflect</option>' + '<option value=repeat>Repeat</option>' + '</select>' + '</div>' + '</div>' + '<div class="jGraduate_Form">' + '<div class="jGraduate_Slider jGraduate_RadiusField jGraduate_rg_field">' + '<label class="prelabel">Radius:</label>' + '<div id="' + id + '_jGraduate_Radius" class="jGraduate_SliderBar jGraduate_Radius" title="Click to set radius">' + '<img id="' + id + '_jGraduate_RadiusArrows" class="jGraduate_RadiusArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_RadiusInput" size="3" value="100"/>%</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_EllipField jGraduate_rg_field">' + '<label class="prelabel">Ellip:</label>' + '<div id="' + id + '_jGraduate_Ellip" class="jGraduate_SliderBar jGraduate_Ellip" title="Click to set Ellip">' + '<img id="' + id + '_jGraduate_EllipArrows" class="jGraduate_EllipArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_EllipInput" size="3" value="0"/>%</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_AngleField jGraduate_rg_field">' + '<label class="prelabel">Angle:</label>' + '<div id="' + id + '_jGraduate_Angle" class="jGraduate_SliderBar jGraduate_Angle" title="Click to set Angle">' + '<img id="' + id + '_jGraduate_AngleArrows" class="jGraduate_AngleArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_AngleInput" size="3" value="0"/>deg</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_OpacField">' + '<label class="prelabel">Opac:</label>' + '<div id="' + id + '_jGraduate_Opac" class="jGraduate_SliderBar jGraduate_Opac" title="Click to set Opac">' + '<img id="' + id + '_jGraduate_OpacArrows" class="jGraduate_OpacArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_OpacInput" size="3" value="100"/>%</label>' + '</div>' + '</div>' + '<div class="jGraduate_OkCancel">' + '<input type="button" id="' + id + '_jGraduate_Ok" class="jGraduate_Ok" value="OK"/>' + '<input type="button" id="' + id + '_jGraduate_Cancel" class="jGraduate_Cancel" value="Cancel"/>' + '</div>');
-
-        // --------------
+        gradPicker.html('<div id="' + id + '_jGraduate_Swatch" class="jGraduate_Swatch">' + '<h2 class="jGraduate_Title">' + $settings.window.pickerTitle + '</h2>' + '<div id="' + id + '_jGraduate_GradContainer" class="jGraduate_GradContainer"></div>' + '<div id="' + id + '_jGraduate_StopSlider" class="jGraduate_StopSlider"></div>' + '</div>' + '<div class="jGraduate_Form jGraduate_Points jGraduate_lg_field">' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Begin Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_x1" size="3" title="Enter starting x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_y1" size="3" title="Enter starting y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">End Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_x2" size="3" title="Enter ending x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_y2" size="3" title="Enter ending y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '</div>' + '<div class="jGraduate_Form jGraduate_Points jGraduate_rg_field">' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Center Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_cx" size="3" title="Enter x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_cy" size="3" title="Enter y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection">' + '<label class="jGraduate_Form_Heading">Focal Point</label>' + '<div class="jGraduate_Form_Section">' + '<label>Match center: <input type="checkbox" checked="checked" id="' + id + '_jGraduate_match_ctr"/></label><br/>' + '<label>x:</label>' + '<input type="text" id="' + id + '_jGraduate_fx" size="3" title="Enter x value between 0.0 and 1.0"/>' + '<label>y:</label>' + '<input type="text" id="' + id + '_jGraduate_fy" size="3" title="Enter y value between 0.0 and 1.0"/>' + '</div>' + '</div>' + '</div>' + '<div class="jGraduate_StopSection jGraduate_SpreadMethod">' + '<label class="jGraduate_Form_Heading">Spread method</label>' + '<div class="jGraduate_Form_Section">' + '<select class="jGraduate_spreadMethod">' + '<option value=pad selected>Pad</option>' + '<option value=reflect>Reflect</option>' + '<option value=repeat>Repeat</option>' + '</select>' + '</div>' + '</div>' + '<div class="jGraduate_Form">' + '<div class="jGraduate_Slider jGraduate_RadiusField jGraduate_rg_field">' + '<label class="prelabel">Radius:</label>' + '<div id="' + id + '_jGraduate_Radius" class="jGraduate_SliderBar jGraduate_Radius" title="Click to set radius">' + '<img id="' + id + '_jGraduate_RadiusArrows" class="jGraduate_RadiusArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_RadiusInput" size="3" value="100"/>%</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_EllipField jGraduate_rg_field">' + '<label class="prelabel">Ellip:</label>' + '<div id="' + id + '_jGraduate_Ellip" class="jGraduate_SliderBar jGraduate_Ellip" title="Click to set Ellip">' + '<img id="' + id + '_jGraduate_EllipArrows" class="jGraduate_EllipArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_EllipInput" size="3" value="0"/>%</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_AngleField jGraduate_rg_field">' + '<label class="prelabel">Angle:</label>' + '<div id="' + id + '_jGraduate_Angle" class="jGraduate_SliderBar jGraduate_Angle" title="Click to set Angle">' + '<img id="' + id + '_jGraduate_AngleArrows" class="jGraduate_AngleArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_AngleInput" size="3" value="0"/>deg</label>' + '</div>' + '<div class="jGraduate_Slider jGraduate_OpacField">' + '<label class="prelabel">Opac:</label>' + '<div id="' + id + '_jGraduate_Opac" class="jGraduate_SliderBar jGraduate_Opac" title="Click to set Opac">' + '<img id="' + id + '_jGraduate_OpacArrows" class="jGraduate_OpacArrows" src="' + $settings.images.clientPath + 'rangearrows2.gif">' + '</div>' + '<label><input type="text" id="' + id + '_jGraduate_OpacInput" size="3" value="100"/>%</label>' + '</div>' + '</div>' + '<div class="jGraduate_OkCancel">' + '<input type="button" id="' + id + '_jGraduate_Ok" class="jGraduate_Ok" value="OK"/>' + '<input type="button" id="' + id + '_jGraduate_Cancel" class="jGraduate_Cancel" value="Cancel"/>' + '</div>'); // --------------
         // Set up all the SVG elements (the gradient, stops and rectangle)
+
         var MAX = 256,
             MARGINX = 0,
             MARGINY = 0,
-
-        // STOP_RADIUS = 15 / 2,
+            // STOP_RADIUS = 15 / 2,
         SIZEX = MAX - 2 * MARGINX,
             SIZEY = MAX - 2 * MARGINY;
-
         var attrInput = {};
-
         var SLIDERW = 145;
         $('.jGraduate_SliderBar').width(SLIDERW);
-
         var container = $('#' + id + '_jGraduate_GradContainer')[0];
-
         var svg = mkElem('svg', {
           id: id + '_jgraduate_svg',
           width: MAX,
           height: MAX,
           xmlns: ns.svg
-        }, container);
-
-        // This wasn't working as designed
+        }, container); // This wasn't working as designed
         // let curType;
         // curType = curType || $this.paint.type;
-
         // if we are sent a gradient, import it
-        var curType = $this.paint.type;
 
+        var curType = $this.paint.type;
         var grad = $this.paint[curType];
         var curGradient = grad;
-
         var gradalpha = $this.paint.alpha;
+        var isSolid = curType === 'solidColor'; // Make any missing gradients
 
-        var isSolid = curType === 'solidColor';
-
-        // Make any missing gradients
         switch (curType) {
-          case 'solidColor':
-          // fall through
+          case 'solidColor': // fall through
+
           case 'linearGradient':
             if (!isSolid) {
               curGradient.id = id + '_lg_jgraduate_grad';
               grad = curGradient = svg.appendChild(curGradient); // .cloneNode(true));
             }
+
             mkElem('radialGradient', {
               id: id + '_rg_jgraduate_grad'
             }, svg);
+
             if (curType === 'linearGradient') {
               break;
             }
+
           // fall through
+
           case 'radialGradient':
             if (!isSolid) {
               curGradient.id = id + '_rg_jgraduate_grad';
               grad = curGradient = svg.appendChild(curGradient); // .cloneNode(true));
             }
+
             mkElem('linearGradient', {
               id: id + '_lg_jgraduate_grad'
             }, svg);
         }
 
-        var stopGroup = void 0; // eslint-disable-line prefer-const
+        var stopGroup; // eslint-disable-line prefer-const
+
         if (isSolid) {
           grad = curGradient = $('#' + id + '_lg_jgraduate_grad')[0];
           color = $this.paint[curType];
@@ -21002,12 +22643,14 @@
               case 'inverse':
                 // Invert current color for second stop
                 var inverted = '';
+
                 for (var i = 0; i < 6; i += 2) {
                   // const ch = color.substr(i, 2);
                   var inv = (255 - parseInt(color.substr(i, 2), 16)).toString(16);
                   if (inv.length < 2) inv = 0 + inv;
                   inverted += inv;
                 }
+
                 mkStop(1, '#' + inverted, 1);
                 break;
 
@@ -21029,12 +22672,10 @@
             y1 = parseFloat(grad.getAttribute('y1') || 0.0),
             x2 = parseFloat(grad.getAttribute('x2') || 1.0),
             y2 = parseFloat(grad.getAttribute('y2') || 0.0);
-
         var cx = parseFloat(grad.getAttribute('cx') || 0.5),
             cy = parseFloat(grad.getAttribute('cy') || 0.5),
             fx = parseFloat(grad.getAttribute('fx') || cx),
             fy = parseFloat(grad.getAttribute('fy') || cy);
-
         var previewRect = mkElem('rect', {
           id: id + '_jgraduate_rect',
           x: MARGINX,
@@ -21043,9 +22684,8 @@
           height: SIZEY,
           fill: 'url(#' + id + '_jgraduate_grad)',
           'fill-opacity': gradalpha / 100
-        }, svg);
+        }, svg); // stop visuals created here
 
-        // stop visuals created here
         var beginCoord = $('<div/>').attr({
           class: 'grad_coord jGraduate_lg_field',
           title: 'Begin Stop'
@@ -21053,12 +22693,10 @@
           top: y1 * MAX,
           left: x1 * MAX
         }).data('coord', 'start').appendTo(container);
-
         var endCoord = beginCoord.clone().text(2).css({
           top: y2 * MAX,
           left: x2 * MAX
         }).attr('title', 'End stop').data('coord', 'end').appendTo(container);
-
         var centerCoord = $('<div/>').attr({
           class: 'grad_coord jGraduate_rg_field',
           title: 'Center stop'
@@ -21066,17 +22704,12 @@
           top: cy * MAX,
           left: cx * MAX
         }).data('coord', 'center').appendTo(container);
-
         var focusCoord = centerCoord.clone().text('F').css({
           top: fy * MAX,
           left: fx * MAX,
           display: 'none'
         }).attr('title', 'Focus point').data('coord', 'focus').appendTo(container);
-
-        focusCoord[0].id = id + '_jGraduate_focusCoord';
-
-        // const coords = $(idref + ' .grad_coord');
-
+        focusCoord[0].id = id + '_jGraduate_focusCoord'; // const coords = $(idref + ' .grad_coord');
         // $(container).hover(function () {
         //   coords.animate({
         //     opacity: 1
@@ -21087,11 +22720,11 @@
         //   }, 500);
         // });
 
-        var showFocus = void 0;
+        var showFocus;
         $.each(['x1', 'y1', 'x2', 'y2', 'cx', 'cy', 'fx', 'fy'], function (i, attr) {
           var isRadial = isNaN(attr[1]);
-
           var attrval = curGradient.getAttribute(attr);
+
           if (!attrval) {
             // Set defaults
             if (isRadial) {
@@ -21118,15 +22751,18 @@
             }
 
             var $elem = isRadial ? attr[0] === 'c' ? centerCoord : focusCoord : attr[1] === '1' ? beginCoord : endCoord;
-
             var cssName = attr.includes('x') ? 'left' : 'top';
-
             $elem.css(cssName, this.value * MAX);
           }).change();
         });
 
         function mkStop(n, color, opac, sel, stopElem) {
-          var stop = stopElem || mkElem('stop', { 'stop-color': color, 'stop-opacity': opac, offset: n }, curGradient);
+          var stop = stopElem || mkElem('stop', {
+            'stop-color': color,
+            'stop-opacity': opac,
+            offset: n
+          }, curGradient);
+
           if (stopElem) {
             color = stopElem.getAttribute('stop-color');
             opac = stopElem.getAttribute('stop-opacity');
@@ -21134,16 +22770,14 @@
           } else {
             curGradient.append(stop);
           }
+
           if (opac === null) opac = 1;
-
           var pickerD = 'M-6.2,0.9c3.6-4,6.7-4.3,6.7-12.4c-0.2,7.9,3.1,8.8,6.5,12.4c3.5,3.8,2.9,9.6,0,12.3c-3.1,2.8-10.4,2.7-13.2,0C-9.6,9.9-9.4,4.4-6.2,0.9z';
-
           var pathbg = mkElem('path', {
             d: pickerD,
             fill: 'url(#jGraduate_trans)',
             transform: 'translate(' + (10 + n * MAX) + ', 26)'
           }, stopGroup);
-
           var path = mkElem('path', {
             d: pickerD,
             fill: color,
@@ -21152,7 +22786,6 @@
             stroke: '#000',
             'stroke-width': 1.5
           }, stopGroup);
-
           $(path).mousedown(function (e) {
             selectStop(this);
             drag = curStop;
@@ -21166,14 +22799,26 @@
             var stopOpacity = +stop.getAttribute('stop-opacity') || 1;
             var stopColor = stop.getAttribute('stop-color') || 1;
             var thisAlpha = (parseFloat(stopOpacity) * 255).toString(16);
+
             while (thisAlpha.length < 2) {
               thisAlpha = '0' + thisAlpha;
             }
+
             color = stopColor.substr(1) + thisAlpha;
-            $('#' + id + '_jGraduate_stopPicker').css({ left: 100, bottom: 15 }).jPicker({
-              window: { title: 'Pick the start color and opacity for the gradient' },
-              images: { clientPath: $settings.images.clientPath },
-              color: { active: color, alphaSupport: true }
+            $('#' + id + '_jGraduate_stopPicker').css({
+              left: 100,
+              bottom: 15
+            }).jPicker({
+              window: {
+                title: 'Pick the start color and opacity for the gradient'
+              },
+              images: {
+                clientPath: $settings.images.clientPath
+              },
+              color: {
+                active: color,
+                alphaSupport: true
+              }
             }, function (color, arg2) {
               stopColor = color.val('hex') ? '#' + color.val('hex') : 'none';
               stopOpacity = color.val('a') !== null ? color.val('a') / 256 : 1;
@@ -21188,9 +22833,9 @@
               $('#' + id + '_jGraduate_stopPicker').hide();
             });
           });
-
           $(curGradient).find('stop').each(function () {
             var curS = $(this);
+
             if (+this.getAttribute('offset') > n) {
               if (!color) {
                 var newcolor = this.getAttribute('stop-color');
@@ -21200,6 +22845,7 @@
                 stop.setAttribute('stop-opacity', newopac === null ? 1 : newopac);
                 path.setAttribute('fill-opacity', newopac === null ? 1 : newopac);
               }
+
               curS.before(stop);
               return false;
             }
@@ -21217,11 +22863,7 @@
         }
 
         var stopMakerDiv = $('#' + id + '_jGraduate_StopSlider');
-
-        var stops = void 0,
-            curStop = void 0,
-            drag = void 0;
-
+        var stops, curStop, drag;
         var delStop = mkElem('path', {
           d: 'm9.75,-6l-19.5,19.5m0,-19.5l19.5,19.5',
           fill: 'none',
@@ -21234,38 +22876,38 @@
           if (curStop) curStop.setAttribute('stroke', '#000');
           item.setAttribute('stroke', 'blue');
           curStop = item;
-          curStop.parentNode.append(curStop);
-          //   stops = $('stop');
+          curStop.parentNode.append(curStop); //   stops = $('stop');
           //   opac_select.val(curStop.attr('fill-opacity') || 1);
           //   root.append(delStop);
         }
 
-        var stopOffset = void 0;
+        var stopOffset;
 
         function remDrags() {
           $win.unbind('mousemove', dragColor);
+
           if (delStop.getAttribute('display') !== 'none') {
             remStop();
           }
+
           drag = null;
         }
 
         var scaleX = 1,
             scaleY = 1,
             angle = 0;
-
         var cX = cx;
         var cY = cy;
+
         function xform() {
           var rot = angle ? 'rotate(' + angle + ',' + cX + ',' + cY + ') ' : '';
+
           if (scaleX === 1 && scaleY === 1) {
-            curGradient.removeAttribute('gradientTransform');
-            // $('#ang').addClass('dis');
+            curGradient.removeAttribute('gradientTransform'); // $('#ang').addClass('dis');
           } else {
             var x = -cX * (scaleX - 1);
             var y = -cY * (scaleY - 1);
-            curGradient.setAttribute('gradientTransform', rot + 'translate(' + x + ',' + y + ') scale(' + scaleX + ',' + scaleY + ')');
-            // $('#ang').removeClass('dis');
+            curGradient.setAttribute('gradientTransform', rot + 'translate(' + x + ',' + y + ') scale(' + scaleX + ',' + scaleY + ')'); // $('#ang').removeClass('dis');
           }
         }
 
@@ -21273,8 +22915,8 @@
           var x = evt.pageX - stopOffset.left;
           var y = evt.pageY - stopOffset.top;
           x = x < 10 ? 10 : x > MAX + 10 ? MAX + 10 : x;
-
           var xfStr = 'translate(' + x + ', 26)';
+
           if (y < -60 || y > 130) {
             delStop.setAttribute('display', 'block');
             delStop.setAttribute('transform', xfStr);
@@ -21286,17 +22928,17 @@
           $.data(drag, 'bg').setAttribute('transform', xfStr);
           var stop = $.data(drag, 'stop');
           var sX = (x - 10) / MAX;
-
           stop.setAttribute('offset', sX);
-
           var last = 0;
           $(curGradient).find('stop').each(function (i) {
             var cur = this.getAttribute('offset');
             var t = $(this);
+
             if (cur < last) {
               t.prev().before(t);
               stops = $(curGradient).find('stop');
             }
+
             last = cur;
           });
         }
@@ -21305,40 +22947,31 @@
           width: '100%',
           height: 45
         }, stopMakerDiv[0]);
-
         var transPattern = mkElem('pattern', {
           width: 16,
           height: 16,
           patternUnits: 'userSpaceOnUse',
           id: 'jGraduate_trans'
         }, stopMakerSVG);
-
         var transImg = mkElem('image', {
           width: 16,
           height: 16
         }, transPattern);
-
         var bgImage = $settings.images.clientPath + 'map-opacity.png';
-
         transImg.setAttributeNS(ns.xlink, 'xlink:href', bgImage);
-
         $(stopMakerSVG).click(function (evt) {
           stopOffset = stopMakerDiv.offset();
           var target = evt.target;
-
           if (target.tagName === 'path') return;
           var x = evt.pageX - stopOffset.left - 8;
           x = x < 10 ? 10 : x > MAX + 10 ? MAX + 10 : x;
           mkStop(x / MAX, 0, 0, true);
           evt.stopPropagation();
         });
-
         $(stopMakerSVG).mouseover(function () {
           stopMakerSVG.append(delStop);
         });
-
         stopGroup = mkElem('g', {}, stopMakerSVG);
-
         mkElem('line', {
           x1: 10,
           y1: 15,
@@ -21347,28 +22980,22 @@
           'stroke-width': 2,
           stroke: '#000'
         }, stopMakerSVG);
-
         var spreadMethodOpt = gradPicker.find('.jGraduate_spreadMethod').change(function () {
           curGradient.setAttribute('spreadMethod', $(this).val());
-        });
+        }); // handle dragging the stop around the swatch
 
-        // handle dragging the stop around the swatch
         var draggingCoord = null;
 
         var onCoordDrag = function onCoordDrag(evt) {
           var x = evt.pageX - offset.left;
-          var y = evt.pageY - offset.top;
+          var y = evt.pageY - offset.top; // clamp stop to the swatch
 
-          // clamp stop to the swatch
           x = x < 0 ? 0 : x > MAX ? MAX : x;
           y = y < 0 ? 0 : y > MAX ? MAX : y;
+          draggingCoord.css('left', x).css('top', y); // calculate stop offset
 
-          draggingCoord.css('left', x).css('top', y);
-
-          // calculate stop offset
           var fracx = x / SIZEX;
           var fracy = y / SIZEY;
-
           var type = draggingCoord.data('coord');
           var grad = curGradient;
 
@@ -21379,12 +23006,14 @@
               grad.setAttribute('x1', fracx);
               grad.setAttribute('y1', fracy);
               break;
+
             case 'end':
               attrInput.x2.val(fracx);
               attrInput.y2.val(fracy);
               grad.setAttribute('x2', fracx);
               grad.setAttribute('y2', fracy);
               break;
+
             case 'center':
               attrInput.cx.val(fracx);
               attrInput.cy.val(fracy);
@@ -21394,6 +23023,7 @@
               cY = fracy;
               xform();
               break;
+
             case 'focus':
               attrInput.fx.val(fracx);
               attrInput.fy.val(fracy);
@@ -21408,20 +23038,19 @@
         var onCoordUp = function onCoordUp() {
           draggingCoord = null;
           $win.unbind('mousemove', onCoordDrag).unbind('mouseup', onCoordUp);
-        };
-
-        // Linear gradient
+        }; // Linear gradient
         // (function () {
 
-        stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
 
-        var numstops = stops.length;
-        // if there are not at least two stops, then
+        stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
+        var numstops = stops.length; // if there are not at least two stops, then
+
         if (numstops < 2) {
           while (numstops < 2) {
             curGradient.append(document.createElementNS(ns.svg, 'stop'));
             ++numstops;
           }
+
           stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
         }
 
@@ -21430,23 +23059,18 @@
         }
 
         spreadMethodOpt.val(curGradient.getAttribute('spreadMethod') || 'pad');
+        var offset; // No match, so show focus point
 
-        var offset = void 0;
-
-        // No match, so show focus point
         showFocus = false;
-
         previewRect.setAttribute('fill-opacity', gradalpha / 100);
-
         $('#' + id + ' div.grad_coord').mousedown(function (evt) {
           evt.preventDefault();
-          draggingCoord = $(this);
-          // const sPos = draggingCoord.offset();
+          draggingCoord = $(this); // const sPos = draggingCoord.offset();
+
           offset = draggingCoord.parent().offset();
           $win.mousemove(onCoordDrag).mouseup(onCoordUp);
-        });
+        }); // bind GUI elements
 
-        // bind GUI elements
         $('#' + id + '_jGraduate_Ok').bind('click', function () {
           $this.paint.type = curType;
           $this.paint[curType] = curGradient.cloneNode(true);
@@ -21468,16 +23092,14 @@
         }
 
         $('#' + id + '_jGraduate_match_ctr')[0].checked = !showFocus;
-
-        var lastfx = void 0,
-            lastfy = void 0;
-
+        var lastfx, lastfy;
         $('#' + id + '_jGraduate_match_ctr').change(function () {
           showFocus = !this.checked;
           focusCoord.toggle(showFocus);
           attrInput.fx.val('');
           attrInput.fy.val('');
           var grad = curGradient;
+
           if (!showFocus) {
             lastfx = grad.getAttribute('fx');
             lastfy = grad.getAttribute('fy');
@@ -21485,31 +23107,32 @@
             grad.removeAttribute('fy');
           } else {
             var _fx = lastfx || 0.5;
+
             var _fy = lastfy || 0.5;
+
             grad.setAttribute('fx', _fx);
             grad.setAttribute('fy', _fy);
             attrInput.fx.val(_fx);
             attrInput.fy.val(_fy);
           }
         });
-
         stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
-        numstops = stops.length;
-        // if there are not at least two stops, then
+        numstops = stops.length; // if there are not at least two stops, then
+
         if (numstops < 2) {
           while (numstops < 2) {
             curGradient.append(document.createElementNS(ns.svg, 'stop'));
             ++numstops;
           }
+
           stops = curGradient.getElementsByTagNameNS(ns.svg, 'stop');
         }
 
-        var slider = void 0;
+        var slider;
 
         var setSlider = function setSlider(e) {
           var _slider = slider,
               offset = _slider.offset;
-
           var div = slider.parent;
           var x = e.pageX - offset.left - parseInt(div.css('border-left-width'));
           if (x > SLIDERW) x = SLIDERW;
@@ -21524,27 +23147,36 @@
               if (x <= 0.01) x = 0.01;
               curGradient.setAttribute('r', x);
               break;
+
             case 'opacity':
               $this.paint.alpha = parseInt(x * 100);
               previewRect.setAttribute('fill-opacity', x);
               break;
+
             case 'ellip':
               scaleX = 1;
               scaleY = 1;
+
               if (x < 0.5) {
                 x /= 0.5; // 0.001
+
                 scaleX = x <= 0 ? 0.01 : x;
               } else if (x > 0.5) {
                 x /= 0.5; // 2
+
                 x = 2 - x;
                 scaleY = x <= 0 ? 0.01 : x;
               }
+
               xform();
               x -= 1;
+
               if (scaleY === x + 1) {
                 x = Math.abs(x);
               }
+
               break;
+
             case 'angle':
               x = x - 0.5;
               angle = x *= 180;
@@ -21552,7 +23184,10 @@
               x /= 100;
               break;
           }
-          slider.elem.css({ 'margin-left': posx });
+
+          slider.elem.css({
+            'margin-left': posx
+          });
           x = Math.round(x * 100);
           slider.input.val(x);
         };
@@ -21562,11 +23197,14 @@
 
         if (curType === 'radialGradient') {
           var tlist = curGradient.gradientTransform.baseVal;
+
           if (tlist.numberOfItems === 2) {
             var t = tlist.getItem(0);
             var s = tlist.getItem(1);
+
             if (t.type === 2 && s.type === 3) {
               var m = s.matrix;
+
               if (m.a !== 1) {
                 ellipVal = Math.round(-(1 - m.a) * 100);
               } else if (m.d !== 1) {
@@ -21576,12 +23214,15 @@
           } else if (tlist.numberOfItems === 3) {
             // Assume [R][T][S]
             var r = tlist.getItem(0);
+
             var _t = tlist.getItem(1);
+
             var _s = tlist.getItem(2);
 
             if (r.type === 4 && _t.type === 2 && _s.type === 3) {
               angleVal = Math.round(r.angle);
               var _m = _s.matrix;
+
               if (_m.a !== 1) {
                 ellipVal = Math.round(-(1 - _m.a) * 100);
               } else if (_m.d !== 1) {
@@ -21613,7 +23254,6 @@
             val: angleVal
           }
         };
-
         $.each(sliders, function (type, data) {
           var handle = $(data.handle);
           handle.mousedown(function (evt) {
@@ -21628,11 +23268,11 @@
             $win.mousemove(dragSlider).mouseup(stopSlider);
             evt.preventDefault();
           });
-
           $(data.input).val(data.val).change(function () {
             var isRad = curType === 'radialGradient';
             var val = +this.value;
             var xpos = 0;
+
             switch (type) {
               case 'radius':
                 if (isRad) curGradient.setAttribute('r', val / 100);
@@ -21647,11 +23287,14 @@
 
               case 'ellip':
                 scaleX = scaleY = 1;
+
                 if (val === 0) {
                   xpos = SLIDERW * 0.5;
                   break;
                 }
+
                 if (val > 99.5) val = 99.5;
+
                 if (val > 0) {
                   scaleY = 1 - val / 100;
                 } else {
@@ -21669,12 +23312,16 @@
                 xpos *= SLIDERW;
                 if (isRad) xform();
             }
+
             if (xpos > SLIDERW) {
               xpos = SLIDERW;
             } else if (xpos < 0) {
               xpos = 0;
             }
-            handle.css({ 'margin-left': xpos - 5 });
+
+            handle.css({
+              'margin-left': xpos - 5
+            });
           }).change();
         });
 
@@ -21686,29 +23333,41 @@
         var stopSlider = function stopSlider(evt) {
           $win.unbind('mousemove', dragSlider).unbind('mouseup', stopSlider);
           slider = null;
-        };
+        }; // --------------
+
 
-        // --------------
         var thisAlpha = ($this.paint.alpha * 255 / 100).toString(16);
+
         while (thisAlpha.length < 2) {
           thisAlpha = '0' + thisAlpha;
         }
+
         thisAlpha = thisAlpha.split('.')[0];
         color = $this.paint.solidColor === 'none' ? '' : $this.paint.solidColor + thisAlpha;
 
         if (!isSolid) {
           color = stops[0].getAttribute('stop-color');
-        }
+        } // This should be done somewhere else, probably
+
 
-        // This should be done somewhere else, probably
         $.extend($.fn.jPicker.defaults.window, {
-          alphaSupport: true, effects: { type: 'show', speed: 0 }
+          alphaSupport: true,
+          effects: {
+            type: 'show',
+            speed: 0
+          }
         });
-
         colPicker.jPicker({
-          window: { title: $settings.window.pickerTitle },
-          images: { clientPath: $settings.images.clientPath },
-          color: { active: color, alphaSupport: true }
+          window: {
+            title: $settings.window.pickerTitle
+          },
+          images: {
+            clientPath: $settings.images.clientPath
+          },
+          color: {
+            active: color,
+            alphaSupport: true
+          }
         }, function (color) {
           $this.paint.type = 'solidColor';
           $this.paint.alpha = color.val('ahex') ? Math.round(color.val('a') / 255 * 100) : 100;
@@ -21718,27 +23377,24 @@
         }, null, function () {
           cancelClicked();
         });
-
         var tabs = $(idref + ' .jGraduate_tabs li');
         tabs.click(function () {
           tabs.removeClass('jGraduate_tab_current');
           $(this).addClass('jGraduate_tab_current');
           $(idref + ' > div').hide();
           var type = $(this).attr('data-type');
-          /* const container = */$(idref + ' .jGraduate_gradPick').show();
+          /* const container = */
+
+          $(idref + ' .jGraduate_gradPick').show();
+
           if (type === 'rg' || type === 'lg') {
             // Show/hide appropriate fields
             $('.jGraduate_' + type + '_field').show();
             $('.jGraduate_' + (type === 'lg' ? 'rg' : 'lg') + '_field').hide();
-
-            $('#' + id + '_jgraduate_rect')[0].setAttribute('fill', 'url(#' + id + '_' + type + '_jgraduate_grad)');
-
-            // Copy stops
+            $('#' + id + '_jgraduate_rect')[0].setAttribute('fill', 'url(#' + id + '_' + type + '_jgraduate_grad)'); // Copy stops
 
             curType = type === 'lg' ? 'linearGradient' : 'radialGradient';
-
             $('#' + id + '_jGraduate_OpacInput').val($this.paint.alpha).change();
-
             var newGrad = $('#' + id + '_' + type + '_jgraduate_grad')[0];
 
             if (curGradient !== newGrad) {
@@ -21748,8 +23404,10 @@
               var sm = spreadMethodOpt.val();
               curGradient.setAttribute('spreadMethod', sm);
             }
+
             showFocus = type === 'rg' && curGradient.getAttribute('fx') != null && !(cx === fx && cy === fy);
             $('#' + id + '_jGraduate_focusCoord').toggle(showFocus);
+
             if (showFocus) {
               $('#' + id + '_jGraduate_match_ctr')[0].checked = false;
             }
@@ -21760,26 +23418,30 @@
         });
         $(idref + ' > div').hide();
         tabs.removeClass('jGraduate_tab_current');
-        var tab = void 0;
+        var tab;
+
         switch ($this.paint.type) {
           case 'linearGradient':
             tab = $(idref + ' .jGraduate_tab_lingrad');
             break;
+
           case 'radialGradient':
             tab = $(idref + ' .jGraduate_tab_radgrad');
             break;
+
           default:
             tab = $(idref + ' .jGraduate_tab_color');
             break;
         }
-        $this.show();
 
-        // jPicker will try to show after a 0ms timeout, so need to fire this after that
+        $this.show(); // jPicker will try to show after a 0ms timeout, so need to fire this after that
+
         setTimeout(function () {
           tab.addClass('jGraduate_tab_current').click();
         }, 10);
       });
     };
+
     return $;
   }
 
@@ -21853,6 +23515,7 @@
       $("#myInputElement").SpinButton(myOptions);
     });
    */
+
   /**
    * @function module:jQuerySpinButton.jQuerySpinButton
    * @param {external:jQuery} $ The jQuery object to which to add the plug-in
@@ -21862,7 +23525,9 @@
     if (!$.loadingStylesheets) {
       $.loadingStylesheets = [];
     }
+
     var stylesheet = 'spinbtn/jQuery.SpinButton.css';
+
     if (!$.loadingStylesheets.includes(stylesheet)) {
       $.loadingStylesheets.push(stylesheet);
     }
@@ -21870,11 +23535,13 @@
     * @callback module:jQuerySpinButton.StepCallback
     * @param {external:jQuery} thisArg Value of `this`
     */
+
     /**
     * @callback module:jQuerySpinButton.ValueCallback
     * @param {external:jQuery} thisArg Value of `this`
     * @param {Float} value Value that was changed
     */
+
     /**
      * @typedef {PlainObject} module:jQuerySpinButton.SpinButtonConfig
      * @property {Float} min Set lower limit
@@ -21893,17 +23560,21 @@
      * @property {Float} delay Millisecond delay
      * @property {Float} interval Millisecond interval
     */
+
     /**
     * @function external:jQuery.fn.SpinButton
     * @param {module:jQuerySpinButton.SpinButtonConfig} cfg
     * @returns {external:jQuery}
     */
+
+
     $.fn.SpinButton = function (cfg) {
       cfg = cfg || {};
+
       function coord(el, prop) {
         var b = document.body;
-
         var c = el[prop];
+
         while ((el = el.offsetParent) && el !== b) {
           if (!$.browser.msie || el.currentStyle.position !== 'relative') {
             c += el[prop];
@@ -21914,14 +23585,14 @@
       }
 
       return this.each(function () {
-        this.repeating = false;
-
-        // Apply specified options or defaults:
+        this.repeating = false; // Apply specified options or defaults:
         // (Ought to refactor this some day to use $.extend() instead)
+
         this.spinCfg = {
           // min: cfg.min ? Number(cfg.min) : null,
           // max: cfg.max ? Number(cfg.max) : null,
-          min: !isNaN(parseFloat(cfg.min)) ? Number(cfg.min) : null, // Fixes bug with min:0
+          min: !isNaN(parseFloat(cfg.min)) ? Number(cfg.min) : null,
+          // Fixes bug with min:0
           max: !isNaN(parseFloat(cfg.max)) ? Number(cfg.max) : null,
           step: cfg.step ? Number(cfg.step) : 1,
           stepfunc: cfg.stepfunc || false,
@@ -21936,13 +23607,13 @@
           _delay: null,
           _repeat: null,
           callback: cfg.callback || null
-        };
+        }; // if a smallStep isn't supplied, use half the regular step
 
-        // if a smallStep isn't supplied, use half the regular step
         this.spinCfg.smallStep = cfg.smallStep || this.spinCfg.step / 2;
 
         this.adjustValue = function (i) {
-          var v = void 0;
+          var v;
+
           if (isNaN(this.value)) {
             v = this.spinCfg.reset;
           } else if (typeof this.spinCfg.stepfunc === 'function') {
@@ -21951,13 +23622,17 @@
             // weirdest JavaScript bug ever: 5.1 + 0.1 = 5.199999999
             v = Number((Number(this.value) + Number(i)).toFixed(5));
           }
+
           if (this.spinCfg.min !== null) {
             v = Math.max(v, this.spinCfg.min);
           }
+
           if (this.spinCfg.max !== null) {
             v = Math.min(v, this.spinCfg.max);
           }
+
           this.value = v;
+
           if (typeof this.spinCfg.callback === 'function') {
             this.spinCfg.callback(this);
           }
@@ -21970,7 +23645,6 @@
           var el = e.target;
           var scale = cfg.stateObj.tool_scale || 1;
           var height = $(el).height() / 2;
-
           var direction = x > coord(el, 'offsetLeft') + el.offsetWidth * scale - this.spinCfg._btn_width ? y < coord(el, 'offsetTop') + height * scale ? 1 : -1 : 0;
 
           if (direction !== this.spinCfg._direction) {
@@ -21980,16 +23654,18 @@
                 // Up arrow:
                 $(this).removeClass(this.spinCfg.downClass).addClass(this.spinCfg.upClass);
                 break;
+
               case -1:
                 // Down arrow:
                 $(this).removeClass(this.spinCfg.upClass).addClass(this.spinCfg.downClass);
                 break;
+
               default:
                 // Mouse is elsewhere in the textbox
                 $(this).removeClass(this.spinCfg.upClass).removeClass(this.spinCfg.downClass);
-            }
+            } // Set spin direction:
+
 
-            // Set spin direction:
             this.spinCfg._direction = direction;
           }
         }).mouseout(function () {
@@ -22009,12 +23685,11 @@
               _this.adjustValue(_this.spinCfg._direction * stepSize);
             };
 
-            adjust();
+            adjust(); // Initial delay before repeating adjustment
 
-            // Initial delay before repeating adjustment
             this.spinCfg._delay = window.setTimeout(function () {
-              adjust();
-              // Repeat adjust at regular intervals
+              adjust(); // Repeat adjust at regular intervals
+
               _this.spinCfg._repeat = window.setInterval(adjust, _this.spinCfg.interval);
             }, this.spinCfg.delay);
           }
@@ -22030,16 +23705,26 @@
           // Respond to up/down arrow keys.
           switch (e.keyCode) {
             case 38:
-              this.adjustValue(this.spinCfg.step);break; // Up
+              this.adjustValue(this.spinCfg.step);
+              break;
+            // Up
+
             case 40:
-              this.adjustValue(-this.spinCfg.step);break; // Down
+              this.adjustValue(-this.spinCfg.step);
+              break;
+            // Down
+
             case 33:
-              this.adjustValue(this.spinCfg.page);break; // PageUp
+              this.adjustValue(this.spinCfg.page);
+              break;
+            // PageUp
+
             case 34:
-              this.adjustValue(-this.spinCfg.page);break; // PageDown
+              this.adjustValue(-this.spinCfg.page);
+              break;
+            // PageDown
           }
         })
-
         /*
         http://unixpapa.com/js/key.html describes the current state-of-affairs for
         key repeat events:
@@ -22051,30 +23736,46 @@
             // Respond to up/down arrow keys.
             switch (e.keyCode) {
               case 38:
-                this.adjustValue(this.spinCfg.step);break; // Up
+                this.adjustValue(this.spinCfg.step);
+                break;
+              // Up
+
               case 40:
-                this.adjustValue(-this.spinCfg.step);break; // Down
+                this.adjustValue(-this.spinCfg.step);
+                break;
+              // Down
+
               case 33:
-                this.adjustValue(this.spinCfg.page);break; // PageUp
+                this.adjustValue(this.spinCfg.page);
+                break;
+              // PageUp
+
               case 34:
-                this.adjustValue(-this.spinCfg.page);break; // PageDown
-            }
-            // we always ignore the first keypress event (use the keydown instead)
+                this.adjustValue(-this.spinCfg.page);
+                break;
+              // PageDown
+            } // we always ignore the first keypress event (use the keydown instead)
+
           } else {
             this.repeating = true;
           }
-        })
-
-        // clear the 'repeating' flag
+        }) // clear the 'repeating' flag
         .keyup(function (e) {
           this.repeating = false;
+
           switch (e.keyCode) {
             case 38: // Up
+
             case 40: // Down
+
             case 33: // PageUp
+
             case 34: // PageDown
+
             case 13:
-              this.adjustValue(0);break; // Enter/Return
+              this.adjustValue(0);
+              break;
+            // Enter/Return
           }
         }).bind('mousewheel', function (e) {
           // Respond to mouse wheel in IE. (It returns up/dn motion in multiples of 120)
@@ -22103,6 +23804,7 @@
         }
       });
     };
+
     return $;
   }
 
@@ -22125,7 +23827,6 @@
    *   and the MIT License and is copyright A Beautiful Site, LLC.
    *
   */
-
   /**
   * @callback module:jQueryContextMenu.jQueryContextMenuCallback
   * @param {string} href The `href` value after the first character (for bypassing an initial `#`)
@@ -22147,10 +23848,10 @@
   * @param {external:jQuery} $ The jQuery object to wrap (with `contextMenu`, `disableContextMenuItems`, `enableContextMenuItems`, `disableContextMenu`, `enableContextMenu`, `destroyContextMenu`)
   * @returns {external:jQuery}
   */
+
   function jQueryContextMenu($) {
     var win = $(window);
     var doc = $(document);
-
     $.extend($.fn, {
       /**
       * @memberof external:jQuery.fn
@@ -22162,55 +23863,52 @@
         // Defaults
         if (o.menu === undefined) return false;
         if (o.inSpeed === undefined) o.inSpeed = 150;
-        if (o.outSpeed === undefined) o.outSpeed = 75;
-        // 0 needs to be -1 for expected results (no fade)
+        if (o.outSpeed === undefined) o.outSpeed = 75; // 0 needs to be -1 for expected results (no fade)
+
         if (o.inSpeed === 0) o.inSpeed = -1;
-        if (o.outSpeed === 0) o.outSpeed = -1;
-        // Loop each context menu
+        if (o.outSpeed === 0) o.outSpeed = -1; // Loop each context menu
+
         $(this).each(function () {
           var el = $(this);
           var offset = $(el).offset();
+          var menu = $('#' + o.menu); // Add contextMenu class
 
-          var menu = $('#' + o.menu);
+          menu.addClass('contextMenu'); // Simulate a true right click
 
-          // Add contextMenu class
-          menu.addClass('contextMenu');
-          // Simulate a true right click
           $(this).bind('mousedown', function (e) {
             var evt = e;
             $(this).mouseup(function (e) {
               var srcElement = $(this);
               srcElement.unbind('mouseup');
+
               if (evt.button === 2 || o.allowLeft || evt.ctrlKey && isMac()) {
-                e.stopPropagation();
-                // Hide context menus that may be showing
-                $('.contextMenu').hide();
-                // Get this context menu
+                e.stopPropagation(); // Hide context menus that may be showing
 
-                if (el.hasClass('disabled')) return false;
+                $('.contextMenu').hide(); // Get this context menu
+
+                if (el.hasClass('disabled')) return false; // Detect mouse position
 
-                // Detect mouse position
                 var x = e.pageX,
                     y = e.pageY;
-
                 var xOff = win.width() - menu.width(),
                     yOff = win.height() - menu.height();
-
                 if (x > xOff - 15) x = xOff - 15;
                 if (y > yOff - 30) y = yOff - 30; // 30 is needed to prevent scrollbars in FF
-
                 // Show the menu
+
                 doc.unbind('click');
-                menu.css({ top: y, left: x }).fadeIn(o.inSpeed);
-                // Hover events
+                menu.css({
+                  top: y,
+                  left: x
+                }).fadeIn(o.inSpeed); // Hover events
+
                 menu.find('A').mouseover(function () {
                   menu.find('LI.hover').removeClass('hover');
                   $(this).parent().addClass('hover');
                 }).mouseout(function () {
                   menu.find('LI.hover').removeClass('hover');
-                });
+                }); // Keyboard
 
-                // Keyboard
                 doc.keypress(function (e) {
                   switch (e.keyCode) {
                     case 38:
@@ -22221,7 +23919,9 @@
                         menu.find('LI.hover').removeClass('hover').prevAll('LI:not(.disabled)').eq(0).addClass('hover');
                         if (!menu.find('LI.hover').length) menu.find('LI:last').addClass('hover');
                       }
+
                       break;
+
                     case 40:
                       // down
                       if (!menu.find('LI.hover').length) {
@@ -22230,31 +23930,38 @@
                         menu.find('LI.hover').removeClass('hover').nextAll('LI:not(.disabled)').eq(0).addClass('hover');
                         if (!menu.find('LI.hover').length) menu.find('LI:first').addClass('hover');
                       }
+
                       break;
+
                     case 13:
                       // enter
                       menu.find('LI.hover A').trigger('click');
                       break;
+
                     case 27:
                       // esc
                       doc.trigger('click');
                       break;
                   }
-                });
+                }); // When items are selected
 
-                // When items are selected
                 menu.find('A').unbind('mouseup');
                 menu.find('LI:not(.disabled) A').mouseup(function () {
                   doc.unbind('click').unbind('keypress');
-                  $('.contextMenu').hide();
-                  // Callback
-                  if (callback) {
-                    callback($(this).attr('href').substr(1), $(srcElement), { x: x - offset.left, y: y - offset.top, docX: x, docY: y });
-                  }
-                  return false;
-                });
+                  $('.contextMenu').hide(); // Callback
+
+                  if (callback) {
+                    callback($(this).attr('href').substr(1), $(srcElement), {
+                      x: x - offset.left,
+                      y: y - offset.top,
+                      docX: x,
+                      docY: y
+                    });
+                  }
+
+                  return false;
+                }); // Hide bindings
 
-                // Hide bindings
                 setTimeout(function () {
                   // Delay for Mozilla
                   doc.click(function () {
@@ -22265,12 +23972,13 @@
                 }, 0);
               }
             });
-          });
+          }); // Disable text selection
 
-          // Disable text selection
           if ($.browser.mozilla) {
             $('#' + o.menu).each(function () {
-              $(this).css({ MozUserSelect: 'none' });
+              $(this).css({
+                MozUserSelect: 'none'
+              });
             });
           } else if ($.browser.msie) {
             $('#' + o.menu).each(function () {
@@ -22284,8 +23992,9 @@
                 return false;
               });
             });
-          }
-          // Disable browser context menu (requires both selectors to work in IE/Safari + FF/Chrome)
+          } // Disable browser context menu (requires both selectors to work in IE/Safari + FF/Chrome)
+
+
           $(el).add($('UL.contextMenu')).bind('contextmenu', function () {
             return false;
           });
@@ -22293,7 +24002,6 @@
         return $(this);
       },
 
-
       /**
       * Disable context menu items on the fly
       * @memberof external:jQuery.fn
@@ -22306,9 +24014,11 @@
           $(this).find('LI').addClass('disabled');
           return $(this);
         }
+
         $(this).each(function () {
           if (o !== undefined) {
             var d = o.split(',');
+
             for (var i = 0; i < d.length; i++) {
               $(this).find('A[href="' + d[i] + '"]').parent().addClass('disabled');
             }
@@ -22317,7 +24027,6 @@
         return $(this);
       },
 
-
       /**
       * Enable context menu items on the fly
       * @memberof external:jQuery.fn
@@ -22330,9 +24039,11 @@
           $(this).find('LI.disabled').removeClass('disabled');
           return $(this);
         }
+
         $(this).each(function () {
           if (o !== undefined) {
             var d = o.split(',');
+
             for (var i = 0; i < d.length; i++) {
               $(this).find('A[href="' + d[i] + '"]').parent().removeClass('disabled');
             }
@@ -22341,7 +24052,6 @@
         return $(this);
       },
 
-
       /**
       * Disable context menu(s)
       * @memberof external:jQuery.fn
@@ -22354,7 +24064,6 @@
         return $(this);
       },
 
-
       /**
       * Enable context menu(s)
       * @memberof external:jQuery.fn
@@ -22367,7 +24076,6 @@
         return $(this);
       },
 
-
       /**
       * Destroy context menu(s)
       * @memberof external:jQuery.fn
@@ -22405,6 +24113,7 @@
   /**
   * @external Math
   */
+
   /**
   * @memberof external:Math
   * @param {Float} value
@@ -22415,12 +24124,13 @@
     if (precision === undefined) precision = 0;
     return Math.round(value * Math.pow(10, precision)) / Math.pow(10, precision);
   }
-
   /**
   * @function module:jPicker.jPicker
   * @param {external:jQuery} $ The jQuery object to wrap (with {@link external:jQuery.loadingStylesheets}, {@link external:jQuery.fn.$.fn.jPicker}, {@link external:jQuery.fn.$.fn.jPicker.defaults})
   * @returns {external:jQuery}
   */
+
+
   var jPicker = function jPicker($) {
     if (!$.loadingStylesheets) {
       /**
@@ -22430,7 +24140,9 @@
       */
       $.loadingStylesheets = [];
     }
+
     var stylesheet = 'jgraduate/css/jPicker.css';
+
     if (!$.loadingStylesheets.includes(stylesheet)) {
       $.loadingStylesheets.push(stylesheet);
     }
@@ -22451,27 +24163,35 @@
     * @param {external:jQuery} bar
     * @param {module:jPicker.SliderOptions} options
     */
+
+
     function Slider(bar, options) {
       var $this = this;
+
       function fireChangeEvents(context) {
         for (var i = 0; i < changeEvents.length; i++) {
           changeEvents[i].call($this, $this, context);
         }
-      }
-      // bind the mousedown to the bar not the arrow for quick snapping to the clicked location
+      } // bind the mousedown to the bar not the arrow for quick snapping to the clicked location
+
+
       function mouseDown(e) {
         var off = bar.offset();
-        offset = { l: off.left | 0, t: off.top | 0 };
-        clearTimeout(timeout);
-        // using setTimeout for visual updates - once the style is updated the browser will re-render internally allowing the next Javascript to run
+        offset = {
+          l: off.left | 0,
+          t: off.top | 0
+        };
+        clearTimeout(timeout); // using setTimeout for visual updates - once the style is updated the browser will re-render internally allowing the next Javascript to run
+
         timeout = setTimeout(function () {
           setValuesFromMousePosition.call($this, e);
-        }, 0);
-        // Bind mousemove and mouseup event to the document so it responds when dragged of of the bar - we will unbind these when on mouseup to save processing
+        }, 0); // Bind mousemove and mouseup event to the document so it responds when dragged of of the bar - we will unbind these when on mouseup to save processing
+
         $(document).bind('mousemove', mouseMove).bind('mouseup', mouseUp);
         e.preventDefault(); // don't try to select anything or drag the image to the desktop
-      }
-      // set the values as the mouse moves
+      } // set the values as the mouse moves
+
+
       function mouseMove(e) {
         clearTimeout(timeout);
         timeout = setTimeout(function () {
@@ -22480,26 +24200,32 @@
         e.stopPropagation();
         e.preventDefault();
         return false;
-      }
-      // unbind the document events - they aren't needed when not dragging
+      } // unbind the document events - they aren't needed when not dragging
+
+
       function mouseUp(e) {
         $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);
         e.stopPropagation();
         e.preventDefault();
         return false;
-      }
-      // calculate mouse position and set value within the current range
+      } // calculate mouse position and set value within the current range
+
+
       function setValuesFromMousePosition(e) {
         var barW = bar.w,
             // local copies for YUI compressor
         barH = bar.h;
         var locX = e.pageX - offset.l,
-            locY = e.pageY - offset.t;
-        // keep the arrow within the bounds of the bar
+            locY = e.pageY - offset.t; // keep the arrow within the bounds of the bar
+
         if (locX < 0) locX = 0;else if (locX > barW) locX = barW;
         if (locY < 0) locY = 0;else if (locY > barH) locY = barH;
-        val.call($this, 'xy', { x: locX / barW * rangeX + minX, y: locY / barH * rangeY + minY });
+        val.call($this, 'xy', {
+          x: locX / barW * rangeX + minX,
+          y: locY / barH * rangeY + minY
+        });
       }
+
       function draw() {
         var barW = bar.w,
             barH = bar.h,
@@ -22513,118 +24239,167 @@
             // constrain to bounds
             if (x === maxX) arrowOffsetX = barW;else arrowOffsetX = x / rangeX * barW | 0;
           }
+
           if (rangeY > 0) {
             // range is greater than zero
             // constrain to bounds
             if (y === maxY) arrowOffsetY = barH;else arrowOffsetY = y / rangeY * barH | 0;
-          }
-          // if arrow width is greater than bar width, center arrow and prevent horizontal dragging
+          } // if arrow width is greater than bar width, center arrow and prevent horizontal dragging
+
+
           if (arrowW >= barW) arrowOffsetX = (barW >> 1) - (arrowW >> 1); // number >> 1 - superfast bitwise divide by two and truncate (move bits over one bit discarding lowest)
-          else arrowOffsetX -= arrowW >> 1;
-          // if arrow height is greater than bar height, center arrow and prevent vertical dragging
-          if (arrowH >= barH) arrowOffsetY = (barH >> 1) - (arrowH >> 1);else arrowOffsetY -= arrowH >> 1;
-          // set the arrow position based on these offsets
-          arrow.css({ left: arrowOffsetX + 'px', top: arrowOffsetY + 'px' });
+          else arrowOffsetX -= arrowW >> 1; // if arrow height is greater than bar height, center arrow and prevent vertical dragging
+
+          if (arrowH >= barH) arrowOffsetY = (barH >> 1) - (arrowH >> 1);else arrowOffsetY -= arrowH >> 1; // set the arrow position based on these offsets
+
+          arrow.css({
+            left: arrowOffsetX + 'px',
+            top: arrowOffsetY + 'px'
+          });
         }, 0);
       }
+
       function val(name, value, context) {
-        var set$$1 = value !== undefined;
-        if (!set$$1) {
+        var set = value !== undefined;
+
+        if (!set) {
           if (name === undefined || name == null) name = 'xy';
+
           switch (name.toLowerCase()) {
             case 'x':
               return x;
+
             case 'y':
               return y;
+
             case 'xy':
             default:
-              return { x: x, y: y };
+              return {
+                x: x,
+                y: y
+              };
           }
         }
+
         if (context != null && context === $this) return;
         var changed = false;
-
-        var newX = void 0,
-            newY = void 0;
+        var newX, newY;
         if (name == null) name = 'xy';
+
         switch (name.toLowerCase()) {
           case 'x':
             newX = value && (value.x && value.x | 0 || value | 0) || 0;
             break;
+
           case 'y':
             newY = value && (value.y && value.y | 0 || value | 0) || 0;
             break;
+
           case 'xy':
           default:
             newX = value && value.x && value.x | 0 || 0;
             newY = value && value.y && value.y | 0 || 0;
             break;
         }
+
         if (newX != null) {
           if (newX < minX) newX = minX;else if (newX > maxX) newX = maxX;
+
           if (x !== newX) {
             x = newX;
             changed = true;
           }
         }
+
         if (newY != null) {
           if (newY < minY) newY = minY;else if (newY > maxY) newY = maxY;
+
           if (y !== newY) {
             y = newY;
             changed = true;
           }
         }
+
         changed && fireChangeEvents.call($this, context || $this);
       }
+
       function range(name, value) {
-        var set$$1 = value !== undefined;
-        if (!set$$1) {
+        var set = value !== undefined;
+
+        if (!set) {
           if (name === undefined || name == null) name = 'all';
+
           switch (name.toLowerCase()) {
             case 'minx':
               return minX;
+
             case 'maxx':
               return maxX;
+
             case 'rangex':
-              return { minX: minX, maxX: maxX, rangeX: rangeX };
+              return {
+                minX: minX,
+                maxX: maxX,
+                rangeX: rangeX
+              };
+
             case 'miny':
               return minY;
+
             case 'maxy':
               return maxY;
+
             case 'rangey':
-              return { minY: minY, maxY: maxY, rangeY: rangeY };
+              return {
+                minY: minY,
+                maxY: maxY,
+                rangeY: rangeY
+              };
+
             case 'all':
             default:
-              return { minX: minX, maxX: maxX, rangeX: rangeX, minY: minY, maxY: maxY, rangeY: rangeY };
+              return {
+                minX: minX,
+                maxX: maxX,
+                rangeX: rangeX,
+                minY: minY,
+                maxY: maxY,
+                rangeY: rangeY
+              };
           }
         }
+
         var // changed = false,
-        newMinX = void 0,
-            newMaxX = void 0,
-            newMinY = void 0,
-            newMaxY = void 0;
+        newMinX, newMaxX, newMinY, newMaxY;
         if (name == null) name = 'all';
+
         switch (name.toLowerCase()) {
           case 'minx':
             newMinX = value && (value.minX && value.minX | 0 || value | 0) || 0;
             break;
+
           case 'maxx':
             newMaxX = value && (value.maxX && value.maxX | 0 || value | 0) || 0;
             break;
+
           case 'rangex':
             newMinX = value && value.minX && value.minX | 0 || 0;
             newMaxX = value && value.maxX && value.maxX | 0 || 0;
             break;
+
           case 'miny':
             newMinY = value && (value.minY && value.minY | 0 || value | 0) || 0;
             break;
+
           case 'maxy':
             newMaxY = value && (value.maxY && value.maxY | 0 || value | 0) || 0;
             break;
+
           case 'rangey':
             newMinY = value && value.minY && value.minY | 0 || 0;
             newMaxY = value && value.maxY && value.maxY | 0 || 0;
             break;
+
           case 'all':
           default:
             newMinX = value && value.minX && value.minX | 0 || 0;
@@ -22633,33 +24408,41 @@
             newMaxY = value && value.maxY && value.maxY | 0 || 0;
             break;
         }
+
         if (newMinX != null && minX !== newMinX) {
           minX = newMinX;
           rangeX = maxX - minX;
         }
+
         if (newMaxX != null && maxX !== newMaxX) {
           maxX = newMaxX;
           rangeX = maxX - minX;
         }
+
         if (newMinY != null && minY !== newMinY) {
           minY = newMinY;
           rangeY = maxY - minY;
         }
+
         if (newMaxY != null && maxY !== newMaxY) {
           maxY = newMaxY;
           rangeY = maxY - minY;
         }
       }
+
       function bind(callback) {
         if (typeof callback === 'function') changeEvents.push(callback);
       }
+
       function unbind(callback) {
         if (typeof callback !== 'function') return;
-        var i = void 0;
+        var i;
+
         while (i = changeEvents.includes(callback)) {
           changeEvents.splice(i, 1);
         }
       }
+
       function destroy() {
         // unbind all possible events and null objects
         $(document).unbind('mouseup', mouseUp).unbind('mousemove', mouseMove);
@@ -22668,8 +24451,9 @@
         arrow = null;
         changeEvents = null;
       }
-      var offset = void 0,
-          timeout = void 0,
+
+      var offset,
+          timeout,
           x = 0,
           y = 0,
           minX = 0,
@@ -22681,7 +24465,6 @@
           arrow = bar.find('img:first'),
           // the arrow image to drag
       changeEvents = [];
-
       $.extend(true, $this, // public properties, methods, and event bindings - these we need to access from other controls
       {
         val: val,
@@ -22689,25 +24472,28 @@
         bind: bind,
         unbind: unbind,
         destroy: destroy
-      });
-      // initialize this control
+      }); // initialize this control
+
       arrow.src = options.arrow && options.arrow.image;
       arrow.w = options.arrow && options.arrow.width || arrow.width();
       arrow.h = options.arrow && options.arrow.height || arrow.height();
       bar.w = options.map && options.map.width || bar.width();
-      bar.h = options.map && options.map.height || bar.height();
-      // bind mousedown event
+      bar.h = options.map && options.map.height || bar.height(); // bind mousedown event
+
       bar.bind('mousedown', mouseDown);
       bind.call($this, draw);
-    }
-    // controls for all the input elements for the typing in color values
+    } // controls for all the input elements for the typing in color values
+
+
     function ColorValuePicker(picker, color, bindedHex, alphaPrecision) {
       var $this = this; // private properties and methods
-      var inputs = picker.find('td.Text input');
-      // input box key down - use arrows to alter color
+
+      var inputs = picker.find('td.Text input'); // input box key down - use arrows to alter color
+
       function keyDown(e) {
         if (e.target.value === '' && e.target !== hex.get(0) && (bindedHex != null && e.target !== bindedHex.get(0) || bindedHex == null)) return;
         if (!validateKey(e)) return e;
+
         switch (e.target) {
           case red.get(0):
             switch (e.keyCode) {
@@ -22715,163 +24501,212 @@
                 red.val(setValueInRange.call($this, (red.val() << 0) + 1, 0, 255));
                 color.val('r', red.val(), e.target);
                 return false;
+
               case 40:
                 red.val(setValueInRange.call($this, (red.val() << 0) - 1, 0, 255));
                 color.val('r', red.val(), e.target);
                 return false;
             }
+
             break;
+
           case green.get(0):
             switch (e.keyCode) {
               case 38:
                 green.val(setValueInRange.call($this, (green.val() << 0) + 1, 0, 255));
                 color.val('g', green.val(), e.target);
                 return false;
+
               case 40:
                 green.val(setValueInRange.call($this, (green.val() << 0) - 1, 0, 255));
                 color.val('g', green.val(), e.target);
                 return false;
             }
+
             break;
+
           case blue.get(0):
             switch (e.keyCode) {
               case 38:
                 blue.val(setValueInRange.call($this, (blue.val() << 0) + 1, 0, 255));
                 color.val('b', blue.val(), e.target);
                 return false;
+
               case 40:
                 blue.val(setValueInRange.call($this, (blue.val() << 0) - 1, 0, 255));
                 color.val('b', blue.val(), e.target);
                 return false;
             }
+
             break;
+
           case alpha && alpha.get(0):
             switch (e.keyCode) {
               case 38:
                 alpha.val(setValueInRange.call($this, parseFloat(alpha.val()) + 1, 0, 100));
                 color.val('a', toFixedNumeric(alpha.val() * 255 / 100, alphaPrecision), e.target);
                 return false;
+
               case 40:
                 alpha.val(setValueInRange.call($this, parseFloat(alpha.val()) - 1, 0, 100));
                 color.val('a', toFixedNumeric(alpha.val() * 255 / 100, alphaPrecision), e.target);
                 return false;
             }
+
             break;
+
           case hue.get(0):
             switch (e.keyCode) {
               case 38:
                 hue.val(setValueInRange.call($this, (hue.val() << 0) + 1, 0, 360));
                 color.val('h', hue.val(), e.target);
                 return false;
+
               case 40:
                 hue.val(setValueInRange.call($this, (hue.val() << 0) - 1, 0, 360));
                 color.val('h', hue.val(), e.target);
                 return false;
             }
+
             break;
+
           case saturation.get(0):
             switch (e.keyCode) {
               case 38:
                 saturation.val(setValueInRange.call($this, (saturation.val() << 0) + 1, 0, 100));
                 color.val('s', saturation.val(), e.target);
                 return false;
+
               case 40:
                 saturation.val(setValueInRange.call($this, (saturation.val() << 0) - 1, 0, 100));
                 color.val('s', saturation.val(), e.target);
                 return false;
             }
+
             break;
+
           case value.get(0):
             switch (e.keyCode) {
               case 38:
                 value.val(setValueInRange.call($this, (value.val() << 0) + 1, 0, 100));
                 color.val('v', value.val(), e.target);
                 return false;
+
               case 40:
                 value.val(setValueInRange.call($this, (value.val() << 0) - 1, 0, 100));
                 color.val('v', value.val(), e.target);
                 return false;
             }
+
             break;
         }
-      }
-      // input box key up - validate value and set color
+      } // input box key up - validate value and set color
+
+
       function keyUp(e) {
         if (e.target.value === '' && e.target !== hex.get(0) && (bindedHex != null && e.target !== bindedHex.get(0) || bindedHex == null)) return;
         if (!validateKey(e)) return e;
+
         switch (e.target) {
           case red.get(0):
             red.val(setValueInRange.call($this, red.val(), 0, 255));
             color.val('r', red.val(), e.target);
             break;
+
           case green.get(0):
             green.val(setValueInRange.call($this, green.val(), 0, 255));
             color.val('g', green.val(), e.target);
             break;
+
           case blue.get(0):
             blue.val(setValueInRange.call($this, blue.val(), 0, 255));
             color.val('b', blue.val(), e.target);
             break;
+
           case alpha && alpha.get(0):
             alpha.val(setValueInRange.call($this, alpha.val(), 0, 100));
             color.val('a', toFixedNumeric(alpha.val() * 255 / 100, alphaPrecision), e.target);
             break;
+
           case hue.get(0):
             hue.val(setValueInRange.call($this, hue.val(), 0, 360));
             color.val('h', hue.val(), e.target);
             break;
+
           case saturation.get(0):
             saturation.val(setValueInRange.call($this, saturation.val(), 0, 100));
             color.val('s', saturation.val(), e.target);
             break;
+
           case value.get(0):
             value.val(setValueInRange.call($this, value.val(), 0, 100));
             color.val('v', value.val(), e.target);
             break;
+
           case hex.get(0):
             hex.val(hex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 6));
             bindedHex && bindedHex.val(hex.val());
             color.val('hex', hex.val() !== '' ? hex.val() : null, e.target);
             break;
+
           case bindedHex && bindedHex.get(0):
             bindedHex.val(bindedHex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 6));
             hex.val(bindedHex.val());
             color.val('hex', bindedHex.val() !== '' ? bindedHex.val() : null, e.target);
             break;
+
           case ahex && ahex.get(0):
             ahex.val(ahex.val().replace(/[^a-fA-F0-9]/g, '').toLowerCase().substring(0, 2));
             color.val('a', ahex.val() != null ? parseInt(ahex.val(), 16) : null, e.target);
             break;
         }
-      }
-      // input box blur - reset to original if value empty
+      } // input box blur - reset to original if value empty
+
+
       function blur(e) {
         if (color.val() != null) {
           switch (e.target) {
             case red.get(0):
-              red.val(color.val('r'));break;
+              red.val(color.val('r'));
+              break;
+
             case green.get(0):
-              green.val(color.val('g'));break;
+              green.val(color.val('g'));
+              break;
+
             case blue.get(0):
-              blue.val(color.val('b'));break;
+              blue.val(color.val('b'));
+              break;
+
             case alpha && alpha.get(0):
-              alpha.val(toFixedNumeric(color.val('a') * 100 / 255, alphaPrecision));break;
+              alpha.val(toFixedNumeric(color.val('a') * 100 / 255, alphaPrecision));
+              break;
+
             case hue.get(0):
-              hue.val(color.val('h'));break;
+              hue.val(color.val('h'));
+              break;
+
             case saturation.get(0):
-              saturation.val(color.val('s'));break;
+              saturation.val(color.val('s'));
+              break;
+
             case value.get(0):
-              value.val(color.val('v'));break;
+              value.val(color.val('v'));
+              break;
+
             case hex.get(0):
             case bindedHex && bindedHex.get(0):
               hex.val(color.val('hex'));
               bindedHex && bindedHex.val(color.val('hex'));
               break;
+
             case ahex && ahex.get(0):
-              ahex.val(color.val('ahex').substring(6));break;
+              ahex.val(color.val('ahex').substring(6));
+              break;
           }
         }
       }
+
       function validateKey(e) {
         switch (e.keyCode) {
           case 9:
@@ -22880,19 +24715,23 @@
           case 37:
           case 39:
             return false;
+
           case 'c'.charCodeAt():
           case 'v'.charCodeAt():
             if (e.ctrlKey) return false;
         }
+
         return true;
-      }
-      // constrain value within range
+      } // constrain value within range
+
+
       function setValueInRange(value, min, max) {
         if (value === '' || isNaN(value)) return min;
         if (value > max) return max;
         if (value < min) return min;
         return value;
       }
+
       function colorChanged(ui, context) {
         var all = ui.val('all');
         if (context !== red.get(0)) red.val(all != null ? all.r : '');
@@ -22906,6 +24745,7 @@
         if (bindedHex && context !== bindedHex.get(0) && context !== hex.get(0)) bindedHex.val(all != null ? all.hex : '');
         if (ahex && context !== ahex.get(0)) ahex.val(all != null ? all.ahex.substring(6) : '');
       }
+
       function destroy() {
         // unbind all events and null objects
         red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).add(hex).add(bindedHex).add(ahex).unbind('keyup', keyUp).unbind('blur', blur);
@@ -22921,6 +24761,7 @@
         hex = null;
         ahex = null;
       }
+
       var red = inputs.eq(3),
           green = inputs.eq(4),
           blue = inputs.eq(5),
@@ -22938,7 +24779,6 @@
       red.add(green).add(blue).add(alpha).add(hue).add(saturation).add(value).bind('keydown', keyDown);
       color.bind(colorChanged);
     }
-
     /**
     * @typedef {PlainObject} module:jPicker.JPickerInit
     * @property {Integer} a
@@ -22956,12 +24796,17 @@
     * @namespace {PlainObject} jPicker
     * @memberof external:jQuery
     */
-    $.jPicker = /** @lends external:jQuery.jPicker */{
+
+
+    $.jPicker =
+    /** @lends external:jQuery.jPicker */
+    {
       /**
       * Array holding references to each active instance of the jPicker control
       * @type {external:jQuery.fn.$.fn.jPicker[]}
       */
       List: [],
+
       /**
       * Color object - we will be able to assign by any color space type or
       * retrieve any color space info.
@@ -22975,102 +24820,149 @@
       */
       Color: function Color(init) {
         var $this = this;
+
         function fireChangeEvents(context) {
           for (var i = 0; i < changeEvents.length; i++) {
             changeEvents[i].call($this, $this, context);
           }
         }
+
         function val(name, value, context) {
           // Kind of ugly
-          var set$$1 = Boolean(value);
-          if (set$$1 && value.ahex === '') value.ahex = '00000000';
-          if (!set$$1) {
+          var set = Boolean(value);
+          if (set && value.ahex === '') value.ahex = '00000000';
+
+          if (!set) {
             if (name === undefined || name == null || name === '') name = 'all';
             if (r == null) return null;
+
             switch (name.toLowerCase()) {
               case 'ahex':
-                return ColorMethods.rgbaToHex({ r: r, g: g, b: b, a: a });
+                return ColorMethods.rgbaToHex({
+                  r: r,
+                  g: g,
+                  b: b,
+                  a: a
+                });
+
               case 'hex':
                 return val('ahex').substring(0, 6);
+
               case 'all':
-                return { r: r, g: g, b: b, a: a, h: h, s: s, v: v, hex: val.call($this, 'hex'), ahex: val.call($this, 'ahex') };
+                return {
+                  r: r,
+                  g: g,
+                  b: b,
+                  a: a,
+                  h: h,
+                  s: s,
+                  v: v,
+                  hex: val.call($this, 'hex'),
+                  ahex: val.call($this, 'ahex')
+                };
+
               default:
                 var ret = {};
+
                 for (var i = 0; i < name.length; i++) {
                   switch (name.charAt(i)) {
                     case 'r':
                       if (name.length === 1) ret = r;else ret.r = r;
                       break;
+
                     case 'g':
                       if (name.length === 1) ret = g;else ret.g = g;
                       break;
+
                     case 'b':
                       if (name.length === 1) ret = b;else ret.b = b;
                       break;
+
                     case 'a':
                       if (name.length === 1) ret = a;else ret.a = a;
                       break;
+
                     case 'h':
                       if (name.length === 1) ret = h;else ret.h = h;
                       break;
+
                     case 's':
                       if (name.length === 1) ret = s;else ret.s = s;
                       break;
+
                     case 'v':
                       if (name.length === 1) ret = v;else ret.v = v;
                       break;
                   }
                 }
+
                 return !name.length ? val.call($this, 'all') : ret;
             }
           }
+
           if (context != null && context === $this) return;
           if (name == null) name = '';
-
           var changed = false;
+
           if (value == null) {
             if (r != null) {
               r = null;
               changed = true;
             }
+
             if (g != null) {
               g = null;
               changed = true;
             }
+
             if (b != null) {
               b = null;
               changed = true;
             }
+
             if (a != null) {
               a = null;
               changed = true;
             }
+
             if (h != null) {
               h = null;
               changed = true;
             }
+
             if (s != null) {
               s = null;
               changed = true;
             }
+
             if (v != null) {
               v = null;
               changed = true;
             }
+
             changed && fireChangeEvents.call($this, context || $this);
             return;
           }
+
           switch (name.toLowerCase()) {
             case 'ahex':
             case 'hex':
               var _ret = ColorMethods.hexToRgba(value && (value.ahex || value.hex) || value || 'none');
-              val.call($this, 'rgba', { r: _ret.r, g: _ret.g, b: _ret.b, a: name === 'ahex' ? _ret.a : a != null ? a : 255 }, context);
+
+              val.call($this, 'rgba', {
+                r: _ret.r,
+                g: _ret.g,
+                b: _ret.b,
+                a: name === 'ahex' ? _ret.a : a != null ? a : 255
+              }, context);
               break;
+
             default:
               if (value && (value.ahex != null || value.hex != null)) {
                 val.call($this, 'ahex', value.ahex || value.hex || '00000000', context);
                 return;
               }
+
               var newV = {};
               var rgb = false,
                   hsv = false;
@@ -23081,6 +24973,7 @@
               if (value.h !== undefined && !name.includes('h')) name += 'h';
               if (value.s !== undefined && !name.includes('s')) name += 's';
               if (value.v !== undefined && !name.includes('v')) name += 'v';
+
               for (var _i = 0; _i < name.length; _i++) {
                 switch (name.charAt(_i)) {
                   case 'r':
@@ -23088,84 +24981,104 @@
                     rgb = true;
                     newV.r = value.r && value.r | 0 || value | 0 || 0;
                     if (newV.r < 0) newV.r = 0;else if (newV.r > 255) newV.r = 255;
+
                     if (r !== newV.r) {
                       r = newV.r;
-
                       changed = true;
                     }
+
                     break;
+
                   case 'g':
                     if (hsv) continue;
                     rgb = true;
                     newV.g = value && value.g && value.g | 0 || value && value | 0 || 0;
                     if (newV.g < 0) newV.g = 0;else if (newV.g > 255) newV.g = 255;
+
                     if (g !== newV.g) {
                       g = newV.g;
-
                       changed = true;
                     }
+
                     break;
+
                   case 'b':
                     if (hsv) continue;
                     rgb = true;
                     newV.b = value && value.b && value.b | 0 || value && value | 0 || 0;
                     if (newV.b < 0) newV.b = 0;else if (newV.b > 255) newV.b = 255;
+
                     if (b !== newV.b) {
                       b = newV.b;
-
                       changed = true;
                     }
+
                     break;
+
                   case 'a':
                     newV.a = value && value.a != null ? value.a | 0 : value | 0;
                     if (newV.a < 0) newV.a = 0;else if (newV.a > 255) newV.a = 255;
+
                     if (a !== newV.a) {
                       a = newV.a;
-
                       changed = true;
                     }
+
                     break;
+
                   case 'h':
                     if (rgb) continue;
                     hsv = true;
                     newV.h = value && value.h && value.h | 0 || value && value | 0 || 0;
                     if (newV.h < 0) newV.h = 0;else if (newV.h > 360) newV.h = 360;
+
                     if (h !== newV.h) {
                       h = newV.h;
-
                       changed = true;
                     }
+
                     break;
+
                   case 's':
                     if (rgb) continue;
                     hsv = true;
                     newV.s = value.s != null ? value.s | 0 : value | 0;
                     if (newV.s < 0) newV.s = 0;else if (newV.s > 100) newV.s = 100;
+
                     if (s !== newV.s) {
                       s = newV.s;
-
                       changed = true;
                     }
+
                     break;
+
                   case 'v':
                     if (rgb) continue;
                     hsv = true;
                     newV.v = value.v != null ? value.v | 0 : value | 0;
                     if (newV.v < 0) newV.v = 0;else if (newV.v > 100) newV.v = 100;
+
                     if (v !== newV.v) {
                       v = newV.v;
-
                       changed = true;
                     }
+
                     break;
                 }
               }
+
               if (changed) {
                 if (rgb) {
                   r = r || 0;
                   g = g || 0;
                   b = b || 0;
-                  var _ret2 = ColorMethods.rgbToHsv({ r: r, g: g, b: b });
+
+                  var _ret2 = ColorMethods.rgbToHsv({
+                    r: r,
+                    g: g,
+                    b: b
+                  });
+
                   h = _ret2.h;
                   s = _ret2.s;
                   v = _ret2.v;
@@ -23173,39 +25086,51 @@
                   h = h || 0;
                   s = s != null ? s : 100;
                   v = v != null ? v : 100;
-                  var _ret3 = ColorMethods.hsvToRgb({ h: h, s: s, v: v });
+
+                  var _ret3 = ColorMethods.hsvToRgb({
+                    h: h,
+                    s: s,
+                    v: v
+                  });
+
                   r = _ret3.r;
                   g = _ret3.g;
                   b = _ret3.b;
                 }
+
                 a = a != null ? a : 255;
                 fireChangeEvents.call($this, context || $this);
               }
+
               break;
           }
         }
+
         function bind(callback) {
           if (typeof callback === 'function') changeEvents.push(callback);
         }
+
         function unbind(callback) {
           if (typeof callback !== 'function') return;
-          var i = void 0;
+          var i;
+
           while (i = changeEvents.includes(callback)) {
             changeEvents.splice(i, 1);
           }
         }
+
         function destroy() {
           changeEvents = null;
         }
-        var r = void 0,
-            g = void 0,
-            b = void 0,
-            a = void 0,
-            h = void 0,
-            s = void 0,
-            v = void 0,
-            changeEvents = [];
 
+        var r,
+            g,
+            b,
+            a,
+            h,
+            s,
+            v,
+            changeEvents = [];
         $.extend(true, $this, {
           // public properties and methods
           val: val,
@@ -23213,11 +25138,14 @@
           unbind: unbind,
           destroy: destroy
         });
+
         if (init) {
           if (init.ahex != null) {
             val('ahex', init);
           } else if (init.hex != null) {
-            val((init.a != null ? 'a' : '') + 'hex', init.a != null ? { ahex: init.hex + ColorMethods.intToHex(init.a) } : init);
+            val((init.a != null ? 'a' : '') + 'hex', init.a != null ? {
+              ahex: init.hex + ColorMethods.intToHex(init.a)
+            } : init);
           } else if (init.r != null && init.g != null && init.b != null) {
             val('rgb' + (init.a != null ? 'a' : ''), init);
           } else if (init.h != null && init.s != null && init.v != null) {
@@ -23225,6 +25153,7 @@
           }
         }
       },
+
       /**
       * color conversion methods  - make public to give use to external scripts
       * @namespace
@@ -23237,24 +25166,32 @@
         * @property {Integer} b
         * @property {Integer} a
         */
+
         /**
         * @typedef {PlainObject} module:jPicker.RGB
         * @property {Integer} r
         * @property {Integer} g
         * @property {Integer} b
         */
+
         /**
         * @param {string} hex
         * @returns {module:jPicker.RGBA}
         */
         hexToRgba: function hexToRgba(hex) {
-          if (hex === '' || hex === 'none') return { r: null, g: null, b: null, a: null };
+          if (hex === '' || hex === 'none') return {
+            r: null,
+            g: null,
+            b: null,
+            a: null
+          };
           hex = this.validateHex(hex);
           var r = '00',
               g = '00',
               b = '00',
               a = '255';
           if (hex.length === 6) hex += 'ff';
+
           if (hex.length > 6) {
             r = hex.substring(0, 2);
             g = hex.substring(2, 4);
@@ -23265,14 +25202,20 @@
               r = hex.substring(4, hex.length);
               hex = hex.substring(0, 4);
             }
+
             if (hex.length > 2) {
               g = hex.substring(2, hex.length);
               hex = hex.substring(0, 2);
             }
+
             if (hex.length > 0) b = hex.substring(0, hex.length);
           }
+
           return {
-            r: this.hexToInt(r), g: this.hexToInt(g), b: this.hexToInt(b), a: this.hexToInt(a)
+            r: this.hexToInt(r),
+            g: this.hexToInt(g),
+            b: this.hexToInt(b),
+            a: this.hexToInt(a)
           };
         },
 
@@ -23319,6 +25262,7 @@
         * @property {Integer} s
         * @property {Integer} v
         */
+
         /**
         * @param {module:jPicker.RGB} rgb
         * @returns {module:jPicker.HSV}
@@ -23327,9 +25271,14 @@
           var r = rgb.r / 255,
               g = rgb.g / 255,
               b = rgb.b / 255,
-              hsv = { h: 0, s: 0, v: 0 };
+              hsv = {
+            h: 0,
+            s: 0,
+            v: 0
+          };
           var min = 0,
               max = 0;
+
           if (r >= g && r >= b) {
             max = r;
             min = g > b ? b : g;
@@ -23340,9 +25289,10 @@
             max = b;
             min = g > r ? r : g;
           }
+
           hsv.v = max;
           hsv.s = max ? (max - min) / max : 0;
-          var delta = void 0;
+          var delta;
           if (!hsv.s) hsv.h = 0;else {
             delta = max - min;
             if (r === max) hsv.h = (g - b) / delta;else if (g === max) hsv.h = 2 + (b - r) / delta;else hsv.h = 4 + (r - g) / delta;
@@ -23359,7 +25309,12 @@
         * @returns {module:jPicker.RGB}
         */
         hsvToRgb: function hsvToRgb(hsv) {
-          var rgb = { r: 0, g: 0, b: 0, a: 100 };
+          var rgb = {
+            r: 0,
+            g: 0,
+            b: 0,
+            a: 100
+          };
           var h = hsv.h,
               s = hsv.s,
               v = hsv.v;
@@ -23376,42 +25331,50 @@
                 p = v * (1 - s),
                 q = v * (1 - s * f),
                 t = v * (1 - s * (1 - f));
+
             switch (i) {
               case 0:
                 rgb.r = v;
                 rgb.g = t;
                 rgb.b = p;
                 break;
+
               case 1:
                 rgb.r = q;
                 rgb.g = v;
                 rgb.b = p;
                 break;
+
               case 2:
                 rgb.r = p;
                 rgb.g = v;
                 rgb.b = t;
                 break;
+
               case 3:
                 rgb.r = p;
                 rgb.g = q;
                 rgb.b = v;
                 break;
+
               case 4:
                 rgb.r = t;
                 rgb.g = p;
                 rgb.b = v;
                 break;
+
               case 5:
                 rgb.r = v;
                 rgb.g = p;
                 rgb.b = q;
                 break;
             }
+
             rgb.r = rgb.r * 255 | 0;
             rgb.g = rgb.g * 255 | 0;
             rgb.b = rgb.b * 255 | 0;
           }
+
           return rgb;
         }
       }
@@ -23420,10 +25383,12 @@
         Color = _$$jPicker.Color,
         List = _$$jPicker.List,
         ColorMethods = _$$jPicker.ColorMethods; // local copies for YUI compressor
+
     /**
      * @function external:jQuery.fn.jPicker
      * @see {@link external:jQuery.fn.$.fn.jPicker}
      */
+
     /**
     * While it would seem this should specify the name `jPicker` for JSDoc, that doesn't
     *   get us treated as a function as well as a namespace (even with `@function name`),
@@ -23439,6 +25404,7 @@
       return this.each(function () {
         var $this = this,
             settings = $.extend(true, {}, $.fn.jPicker.defaults, options); // local copies for YUI compressor
+
         if ($($this).get(0).nodeName.toLowerCase() === 'input') {
           // Add color picker icon if binding to an input element and bind the events to the input
           $.extend(true, settings, {
@@ -23448,32 +25414,47 @@
               input: $($this)
             }
           });
+
           if ($($this).val() === '') {
-            settings.color.active = new Color({ hex: null });
-            settings.color.current = new Color({ hex: null });
+            settings.color.active = new Color({
+              hex: null
+            });
+            settings.color.current = new Color({
+              hex: null
+            });
           } else if (ColorMethods.validateHex($($this).val())) {
-            settings.color.active = new Color({ hex: $($this).val(), a: settings.color.active.val('a') });
-            settings.color.current = new Color({ hex: $($this).val(), a: settings.color.active.val('a') });
+            settings.color.active = new Color({
+              hex: $($this).val(),
+              a: settings.color.active.val('a')
+            });
+            settings.color.current = new Color({
+              hex: $($this).val(),
+              a: settings.color.active.val('a')
+            });
           }
         }
+
         if (settings.window.expandable) {
           $($this).after('<span class="jPicker"><span class="Icon"><span class="Color">&nbsp;</span><span class="Alpha">&nbsp;</span><span class="Image" title="Click To Open Color Picker">&nbsp;</span><span class="Container">&nbsp;</span></span></span>');
         } else {
           settings.window.liveUpdate = false; // Basic control binding for inline use - You will need to override the liveCallback or commitCallback function to retrieve results
         }
+
         var isLessThanIE7 = parseFloat(navigator.appVersion.split('MSIE')[1]) < 7 && document.body.filters; // needed to run the AlphaImageLoader function for IE6
         // set color mode and update visuals for the new color mode
+
         /**
          *
          * @param {"h"|"s"|"v"|"r"|"g"|"b"|"a"} colorMode [description]
          * @throws {Error} Invalid mode
          */
+
         function setColorMode(colorMode) {
           var active = color.active,
               hex = active.val('hex');
-          var rgbMap = void 0,
-              rgbBar = void 0;
+          var rgbMap, rgbBar;
           settings.color.mode = colorMode;
+
           switch (colorMode) {
             case 'h':
               setTimeout(function () {
@@ -23494,12 +25475,24 @@
                 setImgLoc.call($this, colorBarL6, 260);
                 setAlpha.call($this, colorBarL6, 100);
               }, 0);
-              colorMap.range('all', { minX: 0, maxX: 100, minY: 0, maxY: 100 });
-              colorBar.range('rangeY', { minY: 0, maxY: 360 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 100,
+                minY: 0,
+                maxY: 100
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 360
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('s'), y: 100 - active.val('v') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('s'),
+                y: 100 - active.val('v')
+              }, colorMap);
               colorBar.val('y', 360 - active.val('h'), colorBar);
               break;
+
             case 's':
               setTimeout(function () {
                 setBG.call($this, colorMapDiv, 'transparent');
@@ -23510,12 +25503,24 @@
                 setImgLoc.call($this, colorBarL6, 260);
                 setAlpha.call($this, colorBarL6, 100);
               }, 0);
-              colorMap.range('all', { minX: 0, maxX: 360, minY: 0, maxY: 100 });
-              colorBar.range('rangeY', { minY: 0, maxY: 100 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 360,
+                minY: 0,
+                maxY: 100
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 100
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('h'), y: 100 - active.val('v') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('h'),
+                y: 100 - active.val('v')
+              }, colorMap);
               colorBar.val('y', 100 - active.val('s'), colorBar);
               break;
+
             case 'v':
               setTimeout(function () {
                 setBG.call($this, colorMapDiv, '000000');
@@ -23528,39 +25533,87 @@
                 setImgLoc.call($this, colorBarL6, 260);
                 setAlpha.call($this, colorBarL6, 100);
               }, 0);
-              colorMap.range('all', { minX: 0, maxX: 360, minY: 0, maxY: 100 });
-              colorBar.range('rangeY', { minY: 0, maxY: 100 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 360,
+                minY: 0,
+                maxY: 100
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 100
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('h'), y: 100 - active.val('s') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('h'),
+                y: 100 - active.val('s')
+              }, colorMap);
               colorBar.val('y', 100 - active.val('v'), colorBar);
               break;
+
             case 'r':
               rgbMap = -1040;
               rgbBar = -780;
-              colorMap.range('all', { minX: 0, maxX: 255, minY: 0, maxY: 255 });
-              colorBar.range('rangeY', { minY: 0, maxY: 255 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 255,
+                minY: 0,
+                maxY: 255
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 255
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('b'), y: 255 - active.val('g') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('b'),
+                y: 255 - active.val('g')
+              }, colorMap);
               colorBar.val('y', 255 - active.val('r'), colorBar);
               break;
+
             case 'g':
               rgbMap = -1560;
               rgbBar = -1820;
-              colorMap.range('all', { minX: 0, maxX: 255, minY: 0, maxY: 255 });
-              colorBar.range('rangeY', { minY: 0, maxY: 255 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 255,
+                minY: 0,
+                maxY: 255
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 255
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('b'), y: 255 - active.val('r') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('b'),
+                y: 255 - active.val('r')
+              }, colorMap);
               colorBar.val('y', 255 - active.val('g'), colorBar);
               break;
+
             case 'b':
               rgbMap = -2080;
               rgbBar = -2860;
-              colorMap.range('all', { minX: 0, maxX: 255, minY: 0, maxY: 255 });
-              colorBar.range('rangeY', { minY: 0, maxY: 255 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 255,
+                minY: 0,
+                maxY: 255
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 255
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('r'), y: 255 - active.val('g') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('r'),
+                y: 255 - active.val('g')
+              }, colorMap);
               colorBar.val('y', 255 - active.val('b'), colorBar);
               break;
+
             case 'a':
               setTimeout(function () {
                 setBG.call($this, colorMapDiv, 'transparent');
@@ -23572,18 +25625,32 @@
                 setImgLoc.call($this, colorBarL6, 0);
                 setAlpha.call($this, colorBarL6, 100);
               }, 0);
-              colorMap.range('all', { minX: 0, maxX: 360, minY: 0, maxY: 100 });
-              colorBar.range('rangeY', { minY: 0, maxY: 255 });
+              colorMap.range('all', {
+                minX: 0,
+                maxX: 360,
+                minY: 0,
+                maxY: 100
+              });
+              colorBar.range('rangeY', {
+                minY: 0,
+                maxY: 255
+              });
               if (active.val('ahex') == null) break;
-              colorMap.val('xy', { x: active.val('h'), y: 100 - active.val('v') }, colorMap);
+              colorMap.val('xy', {
+                x: active.val('h'),
+                y: 100 - active.val('v')
+              }, colorMap);
               colorBar.val('y', 255 - active.val('a'), colorBar);
               break;
+
             default:
               throw new Error('Invalid Mode');
           }
+
           switch (colorMode) {
             case 'h':
               break;
+
             case 's':
             case 'v':
             case 'a':
@@ -23596,6 +25663,7 @@
                 setAlpha.call($this, colorBarL4, 100);
               }, 0);
               break;
+
             case 'r':
             case 'g':
             case 'b':
@@ -23615,10 +25683,12 @@
               }, 0);
               break;
           }
+
           if (active.val('ahex') == null) return;
           activeColorChanged.call($this, active);
-        }
-        // Update color when user changes text values
+        } // Update color when user changes text values
+
+
         function activeColorChanged(ui, context) {
           if (context == null || context !== colorBar && context !== colorMap) positionMapAndBarArrows.call($this, ui, context);
           setTimeout(function () {
@@ -23626,117 +25696,191 @@
             updateMapVisuals.call($this, ui);
             updateBarVisuals.call($this, ui);
           }, 0);
-        }
-        // user has dragged the ColorMap pointer
+        } // user has dragged the ColorMap pointer
+
+
         function mapValueChanged(ui, context) {
           var active = color.active;
-
           if (context !== colorMap && active.val() == null) return;
           var xy = ui.val('all');
+
           switch (settings.color.mode) {
             case 'h':
-              active.val('sv', { s: xy.x, v: 100 - xy.y }, context);
+              active.val('sv', {
+                s: xy.x,
+                v: 100 - xy.y
+              }, context);
               break;
+
             case 's':
             case 'a':
-              active.val('hv', { h: xy.x, v: 100 - xy.y }, context);
+              active.val('hv', {
+                h: xy.x,
+                v: 100 - xy.y
+              }, context);
               break;
+
             case 'v':
-              active.val('hs', { h: xy.x, s: 100 - xy.y }, context);
+              active.val('hs', {
+                h: xy.x,
+                s: 100 - xy.y
+              }, context);
               break;
+
             case 'r':
-              active.val('gb', { g: 255 - xy.y, b: xy.x }, context);
+              active.val('gb', {
+                g: 255 - xy.y,
+                b: xy.x
+              }, context);
               break;
+
             case 'g':
-              active.val('rb', { r: 255 - xy.y, b: xy.x }, context);
+              active.val('rb', {
+                r: 255 - xy.y,
+                b: xy.x
+              }, context);
               break;
+
             case 'b':
-              active.val('rg', { r: xy.x, g: 255 - xy.y }, context);
+              active.val('rg', {
+                r: xy.x,
+                g: 255 - xy.y
+              }, context);
               break;
           }
-        }
-        // user has dragged the ColorBar slider
+        } // user has dragged the ColorBar slider
+
+
         function colorBarValueChanged(ui, context) {
           var active = color.active;
-
           if (context !== colorBar && active.val() == null) return;
+
           switch (settings.color.mode) {
             case 'h':
-              active.val('h', { h: 360 - ui.val('y') }, context);
+              active.val('h', {
+                h: 360 - ui.val('y')
+              }, context);
               break;
+
             case 's':
-              active.val('s', { s: 100 - ui.val('y') }, context);
+              active.val('s', {
+                s: 100 - ui.val('y')
+              }, context);
               break;
+
             case 'v':
-              active.val('v', { v: 100 - ui.val('y') }, context);
+              active.val('v', {
+                v: 100 - ui.val('y')
+              }, context);
               break;
+
             case 'r':
-              active.val('r', { r: 255 - ui.val('y') }, context);
+              active.val('r', {
+                r: 255 - ui.val('y')
+              }, context);
               break;
+
             case 'g':
-              active.val('g', { g: 255 - ui.val('y') }, context);
+              active.val('g', {
+                g: 255 - ui.val('y')
+              }, context);
               break;
+
             case 'b':
-              active.val('b', { b: 255 - ui.val('y') }, context);
+              active.val('b', {
+                b: 255 - ui.val('y')
+              }, context);
               break;
+
             case 'a':
               active.val('a', 255 - ui.val('y'), context);
               break;
           }
-        }
-        // position map and bar arrows to match current color
+        } // position map and bar arrows to match current color
+
+
         function positionMapAndBarArrows(ui, context) {
           if (context !== colorMap) {
             switch (settings.color.mode) {
               case 'h':
                 var sv = ui.val('sv');
-                colorMap.val('xy', { x: sv != null ? sv.s : 100, y: 100 - (sv != null ? sv.v : 100) }, context);
+                colorMap.val('xy', {
+                  x: sv != null ? sv.s : 100,
+                  y: 100 - (sv != null ? sv.v : 100)
+                }, context);
                 break;
+
               case 's':
               case 'a':
                 var hv = ui.val('hv');
-                colorMap.val('xy', { x: hv && hv.h || 0, y: 100 - (hv != null ? hv.v : 100) }, context);
+                colorMap.val('xy', {
+                  x: hv && hv.h || 0,
+                  y: 100 - (hv != null ? hv.v : 100)
+                }, context);
                 break;
+
               case 'v':
                 var hs = ui.val('hs');
-                colorMap.val('xy', { x: hs && hs.h || 0, y: 100 - (hs != null ? hs.s : 100) }, context);
+                colorMap.val('xy', {
+                  x: hs && hs.h || 0,
+                  y: 100 - (hs != null ? hs.s : 100)
+                }, context);
                 break;
+
               case 'r':
                 var bg = ui.val('bg');
-                colorMap.val('xy', { x: bg && bg.b || 0, y: 255 - (bg && bg.g || 0) }, context);
+                colorMap.val('xy', {
+                  x: bg && bg.b || 0,
+                  y: 255 - (bg && bg.g || 0)
+                }, context);
                 break;
+
               case 'g':
                 var br = ui.val('br');
-                colorMap.val('xy', { x: br && br.b || 0, y: 255 - (br && br.r || 0) }, context);
+                colorMap.val('xy', {
+                  x: br && br.b || 0,
+                  y: 255 - (br && br.r || 0)
+                }, context);
                 break;
+
               case 'b':
                 var rg = ui.val('rg');
-                colorMap.val('xy', { x: rg && rg.r || 0, y: 255 - (rg && rg.g || 0) }, context);
+                colorMap.val('xy', {
+                  x: rg && rg.r || 0,
+                  y: 255 - (rg && rg.g || 0)
+                }, context);
                 break;
             }
           }
+
           if (context !== colorBar) {
             switch (settings.color.mode) {
               case 'h':
                 colorBar.val('y', 360 - (ui.val('h') || 0), context);
                 break;
+
               case 's':
                 var s = ui.val('s');
                 colorBar.val('y', 100 - (s != null ? s : 100), context);
                 break;
+
               case 'v':
                 var v = ui.val('v');
                 colorBar.val('y', 100 - (v != null ? v : 100), context);
                 break;
+
               case 'r':
                 colorBar.val('y', 255 - (ui.val('r') || 0), context);
                 break;
+
               case 'g':
                 colorBar.val('y', 255 - (ui.val('g') || 0), context);
                 break;
+
               case 'b':
                 colorBar.val('y', 255 - (ui.val('b') || 0), context);
                 break;
+
               case 'a':
                 var a = ui.val('a');
                 colorBar.val('y', 255 - (a != null ? a : 255), context);
@@ -23744,65 +25888,92 @@
             }
           }
         }
+
         function updatePreview(ui) {
           try {
             var all = ui.val('all');
-            activePreview.css({ backgroundColor: all && '#' + all.hex || 'transparent' });
+            activePreview.css({
+              backgroundColor: all && '#' + all.hex || 'transparent'
+            });
             setAlpha.call($this, activePreview, all && toFixedNumeric(all.a * 100 / 255, 4) || 0);
           } catch (e) {}
         }
+
         function updateMapVisuals(ui) {
           switch (settings.color.mode) {
             case 'h':
-              setBG.call($this, colorMapDiv, new Color({ h: ui.val('h') || 0, s: 100, v: 100 }).val('hex'));
+              setBG.call($this, colorMapDiv, new Color({
+                h: ui.val('h') || 0,
+                s: 100,
+                v: 100
+              }).val('hex'));
               break;
+
             case 's':
             case 'a':
               var s = ui.val('s');
               setAlpha.call($this, colorMapL2, 100 - (s != null ? s : 100));
               break;
+
             case 'v':
               var v = ui.val('v');
               setAlpha.call($this, colorMapL1, v != null ? v : 100);
               break;
+
             case 'r':
               setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('r') || 0) / 255 * 100, 4));
               break;
+
             case 'g':
               setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('g') || 0) / 255 * 100, 4));
               break;
+
             case 'b':
               setAlpha.call($this, colorMapL2, toFixedNumeric((ui.val('b') || 0) / 255 * 100));
               break;
           }
+
           var a = ui.val('a');
           setAlpha.call($this, colorMapL3, toFixedNumeric((255 - (a || 0)) * 100 / 255, 4));
         }
+
         function updateBarVisuals(ui) {
           switch (settings.color.mode) {
             case 'h':
               var a = ui.val('a');
               setAlpha.call($this, colorBarL5, toFixedNumeric((255 - (a || 0)) * 100 / 255, 4));
               break;
+
             case 's':
               var hva = ui.val('hva'),
-                  saturatedColor = new Color({ h: hva && hva.h || 0, s: 100, v: hva != null ? hva.v : 100 });
+                  saturatedColor = new Color({
+                h: hva && hva.h || 0,
+                s: 100,
+                v: hva != null ? hva.v : 100
+              });
               setBG.call($this, colorBarDiv, saturatedColor.val('hex'));
               setAlpha.call($this, colorBarL2, 100 - (hva != null ? hva.v : 100));
               setAlpha.call($this, colorBarL5, toFixedNumeric((255 - (hva && hva.a || 0)) * 100 / 255, 4));
               break;
+
             case 'v':
               var hsa = ui.val('hsa'),
-                  valueColor = new Color({ h: hsa && hsa.h || 0, s: hsa != null ? hsa.s : 100, v: 100 });
+                  valueColor = new Color({
+                h: hsa && hsa.h || 0,
+                s: hsa != null ? hsa.s : 100,
+                v: 100
+              });
               setBG.call($this, colorBarDiv, valueColor.val('hex'));
               setAlpha.call($this, colorBarL5, toFixedNumeric((255 - (hsa && hsa.a || 0)) * 100 / 255, 4));
               break;
+
             case 'r':
             case 'g':
             case 'b':
               var rgba = ui.val('rgba');
               var hValue = 0,
                   vValue = 0;
+
               if (settings.color.mode === 'r') {
                 hValue = rgba && rgba.b || 0;
                 vValue = rgba && rgba.g || 0;
@@ -23813,15 +25984,18 @@
                 hValue = rgba && rgba.r || 0;
                 vValue = rgba && rgba.g || 0;
               }
+
               var middle = vValue > hValue ? hValue : vValue;
               setAlpha.call($this, colorBarL2, hValue > vValue ? toFixedNumeric((hValue - vValue) / (255 - vValue) * 100, 4) : 0);
               setAlpha.call($this, colorBarL3, vValue > hValue ? toFixedNumeric((vValue - hValue) / (255 - hValue) * 100, 4) : 0);
               setAlpha.call($this, colorBarL4, toFixedNumeric(middle / 255 * 100, 4));
               setAlpha.call($this, colorBarL5, toFixedNumeric((255 - (rgba && rgba.a || 0)) * 100 / 255, 4));
               break;
+
             case 'a':
               {
                 var _a = ui.val('a');
+
                 setBG.call($this, colorBarDiv, ui.val('hex') || '000000');
                 setAlpha.call($this, colorBarL5, _a != null ? 0 : 100);
                 setAlpha.call($this, colorBarL6, _a != null ? 100 : 0);
@@ -23829,74 +26003,118 @@
               }
           }
         }
+
         function setBG(el, c) {
-          el.css({ backgroundColor: c && c.length === 6 && '#' + c || 'transparent' });
+          el.css({
+            backgroundColor: c && c.length === 6 && '#' + c || 'transparent'
+          });
         }
+
         function setImg(img, src) {
           if (isLessThanIE7 && (src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png'))) {
             img.attr('pngSrc', src);
-            img.css({ backgroundImage: 'none', filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=\'scale\')' });
-          } else img.css({ backgroundImage: 'url(\'' + src + '\')' });
+            img.css({
+              backgroundImage: 'none',
+              filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=\'scale\')'
+            });
+          } else img.css({
+            backgroundImage: 'url(\'' + src + '\')'
+          });
         }
+
         function setImgLoc(img, y) {
-          img.css({ top: y + 'px' });
+          img.css({
+            top: y + 'px'
+          });
         }
+
         function setAlpha(obj, alpha) {
-          obj.css({ visibility: alpha > 0 ? 'visible' : 'hidden' });
+          obj.css({
+            visibility: alpha > 0 ? 'visible' : 'hidden'
+          });
+
           if (alpha > 0 && alpha < 100) {
             if (isLessThanIE7) {
               var src = obj.attr('pngSrc');
+
               if (src != null && (src.includes('AlphaBar.png') || src.includes('Bars.png') || src.includes('Maps.png'))) {
-                obj.css({ filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=\'scale\') progid:DXImageTransform.Microsoft.Alpha(opacity=' + alpha + ')' });
-              } else obj.css({ opacity: toFixedNumeric(alpha / 100, 4) });
-            } else obj.css({ opacity: toFixedNumeric(alpha / 100, 4) });
+                obj.css({
+                  filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + src + '\', sizingMethod=\'scale\') progid:DXImageTransform.Microsoft.Alpha(opacity=' + alpha + ')'
+                });
+              } else obj.css({
+                opacity: toFixedNumeric(alpha / 100, 4)
+              });
+            } else obj.css({
+              opacity: toFixedNumeric(alpha / 100, 4)
+            });
           } else if (alpha === 0 || alpha === 100) {
             if (isLessThanIE7) {
               var _src = obj.attr('pngSrc');
+
               if (_src != null && (_src.includes('AlphaBar.png') || _src.includes('Bars.png') || _src.includes('Maps.png'))) {
-                obj.css({ filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + _src + '\', sizingMethod=\'scale\')' });
-              } else obj.css({ opacity: '' });
-            } else obj.css({ opacity: '' });
+                obj.css({
+                  filter: 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + _src + '\', sizingMethod=\'scale\')'
+                });
+              } else obj.css({
+                opacity: ''
+              });
+            } else obj.css({
+              opacity: ''
+            });
           }
-        }
-        // revert color to original color when opened
+        } // revert color to original color when opened
+
+
         function revertColor() {
           color.active.val('ahex', color.current.val('ahex'));
-        }
-        // commit the color changes
+        } // commit the color changes
+
+
         function commitColor() {
           color.current.val('ahex', color.active.val('ahex'));
         }
+
         function radioClicked(e) {
           $(this).parents('tbody:first').find('input:radio[value!="' + e.target.value + '"]').removeAttr('checked');
           setColorMode.call($this, e.target.value);
         }
+
         function currentClicked() {
           revertColor.call($this);
         }
+
         function cancelClicked() {
           revertColor.call($this);
           settings.window.expandable && hide.call($this);
           typeof cancelCallback === 'function' && cancelCallback.call($this, color.active, cancelButton);
         }
+
         function okClicked() {
           commitColor.call($this);
           settings.window.expandable && hide.call($this);
           typeof commitCallback === 'function' && commitCallback.call($this, color.active, okButton);
         }
+
         function iconImageClicked() {
           show.call($this);
         }
+
         function currentColorChanged(ui, context) {
           var hex = ui.val('hex');
-          currentPreview.css({ backgroundColor: hex && '#' + hex || 'transparent' });
+          currentPreview.css({
+            backgroundColor: hex && '#' + hex || 'transparent'
+          });
           setAlpha.call($this, currentPreview, toFixedNumeric((ui.val('a') || 0) * 100 / 255, 4));
         }
+
         function expandableColorChanged(ui, context) {
           var hex = ui.val('hex');
           var va = ui.val('va');
-          iconColor.css({ backgroundColor: hex && '#' + hex || 'transparent' });
+          iconColor.css({
+            backgroundColor: hex && '#' + hex || 'transparent'
+          });
           setAlpha.call($this, iconAlpha, toFixedNumeric((255 - (va && va.a || 0)) * 100 / 255, 4));
+
           if (settings.window.bindToInput && settings.window.updateInputColor) {
             settings.window.input.css({
               backgroundColor: hex && '#' + hex || 'transparent',
@@ -23904,104 +26122,147 @@
             });
           }
         }
+
         function moveBarMouseDown(e) {
           // const {element} = settings.window, // local copies for YUI compressor
           //     {page} = settings.window;
           elementStartX = parseInt(container.css('left'));
           elementStartY = parseInt(container.css('top'));
           pageStartX = e.pageX;
-          pageStartY = e.pageY;
-          // bind events to document to move window - we will unbind these on mouseup
+          pageStartY = e.pageY; // bind events to document to move window - we will unbind these on mouseup
+
           $(document).bind('mousemove', documentMouseMove).bind('mouseup', documentMouseUp);
           e.preventDefault(); // prevent attempted dragging of the column
         }
+
         function documentMouseMove(e) {
-          container.css({ left: elementStartX - (pageStartX - e.pageX) + 'px', top: elementStartY - (pageStartY - e.pageY) + 'px' });
-          if (settings.window.expandable && !$.support.boxModel) container.prev().css({ left: container.css('left'), top: container.css('top') });
+          container.css({
+            left: elementStartX - (pageStartX - e.pageX) + 'px',
+            top: elementStartY - (pageStartY - e.pageY) + 'px'
+          });
+          if (settings.window.expandable && !$.support.boxModel) container.prev().css({
+            left: container.css('left'),
+            top: container.css('top')
+          });
           e.stopPropagation();
           e.preventDefault();
           return false;
         }
+
         function documentMouseUp(e) {
           $(document).unbind('mousemove', documentMouseMove).unbind('mouseup', documentMouseUp);
           e.stopPropagation();
           e.preventDefault();
           return false;
         }
+
         function quickPickClicked(e) {
           e.preventDefault();
           e.stopPropagation();
           color.active.val('ahex', $(this).attr('title') || null, e.target);
           return false;
         }
+
         function show() {
           color.current.val('ahex', color.active.val('ahex'));
+
           function attachIFrame() {
             if (!settings.window.expandable || $.support.boxModel) return;
             var table = container.find('table:first');
             container.before('<iframe/>');
-            container.prev().css({ width: table.width(), height: container.height(), opacity: 0, position: 'absolute', left: container.css('left'), top: container.css('top') });
+            container.prev().css({
+              width: table.width(),
+              height: container.height(),
+              opacity: 0,
+              position: 'absolute',
+              left: container.css('left'),
+              top: container.css('top')
+            });
           }
+
           if (settings.window.expandable) {
-            $(document.body).children('div.jPicker.Container').css({ zIndex: 10 });
-            container.css({ zIndex: 20 });
+            $(document.body).children('div.jPicker.Container').css({
+              zIndex: 10
+            });
+            container.css({
+              zIndex: 20
+            });
           }
+
           switch (settings.window.effects.type) {
             case 'fade':
               container.fadeIn(settings.window.effects.speed.show, attachIFrame);
               break;
+
             case 'slide':
               container.slideDown(settings.window.effects.speed.show, attachIFrame);
               break;
+
             case 'show':
             default:
               container.show(settings.window.effects.speed.show, attachIFrame);
               break;
           }
         }
+
         function hide() {
           function removeIFrame() {
-            if (settings.window.expandable) container.css({ zIndex: 10 });
+            if (settings.window.expandable) container.css({
+              zIndex: 10
+            });
             if (!settings.window.expandable || $.support.boxModel) return;
             container.prev().remove();
           }
+
           switch (settings.window.effects.type) {
             case 'fade':
               container.fadeOut(settings.window.effects.speed.hide, removeIFrame);
               break;
+
             case 'slide':
               container.slideUp(settings.window.effects.speed.hide, removeIFrame);
               break;
+
             case 'show':
             default:
               container.hide(settings.window.effects.speed.hide, removeIFrame);
               break;
           }
         }
+
         function initialize() {
           var win = settings.window,
               popup = win.expandable ? $($this).next().find('.Container:first') : null;
           container = win.expandable ? $('<div/>') : $($this);
           container.addClass('jPicker Container');
           if (win.expandable) container.hide();
+
           container.get(0).onselectstart = function (event) {
             if (event.target.nodeName.toLowerCase() !== 'input') return false;
-          };
-          // inject html source code - we are using a single table for this control - I know tables are considered bad, but it takes care of equal height columns and
+          }; // inject html source code - we are using a single table for this control - I know tables are considered bad, but it takes care of equal height columns and
           // this control really is tabular data, so I believe it is the right move
+
+
           var all = color.active.val('all');
           if (win.alphaPrecision < 0) win.alphaPrecision = 0;else if (win.alphaPrecision > 2) win.alphaPrecision = 2;
-          var controlHtml = '<table class="jPicker" cellpadding="0" cellspacing="0">\n          <tbody>\n            ' + (win.expandable ? '<tr><td class="Move" colspan="5">&nbsp;</td></tr>' : '') + '\n            <tr>\n              <td rowspan="9"><h2 class="Title">' + (win.title || localization.text.title) + '</h2><div class="Map"><span class="Map1">&nbsp;</span><span class="Map2">&nbsp;</span><span class="Map3">&nbsp;</span><img src="' + (images.clientPath + images.colorMap.arrow.file) + '" class="Arrow"/></div></td>\n              <td rowspan="9"><div class="Bar"><span class="Map1">&nbsp;</span><span class="Map2">&nbsp;</span><span class="Map3">&nbsp;</span><span class="Map4">&nbsp;</span><span class="Map5">&nbsp;</span><span class="Map6">&nbsp;</span><img src="' + (images.clientPath + images.colorBar.arrow.file) + '" class="Arrow"/></div></td>\n              <td colspan="2" class="Preview">' + localization.text.newColor + '<div><span class="Active" title="' + localization.tooltips.colors.newColor + '">&nbsp;</span><span class="Current" title="' + localization.tooltips.colors.currentColor + '">&nbsp;</span></div>' + localization.text.currentColor + '</td>\n              <td rowspan="9" class="Button"><input type="button" class="Ok" value="' + localization.text.ok + '" title="' + localization.tooltips.buttons.ok + '"/><input type="button" class="Cancel" value="' + localization.text.cancel + '" title="' + localization.tooltips.buttons.cancel + '"/><hr/><div class="Grid">&nbsp;</div></td>\n            </tr>\n            <tr class="Hue">\n              <td class="Radio"><label title="' + localization.tooltips.hue.radio + '"><input type="radio" value="h"' + (settings.color.mode === 'h' ? ' checked="checked"' : '') + '/>H:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.h : '') + '" title="' + localization.tooltips.hue.textbox + '"/>&nbsp;&deg;</td>\n            </tr>\n            <tr class="Saturation">\n              <td class="Radio"><label title="' + localization.tooltips.saturation.radio + '"><input type="radio" value="s"' + (settings.color.mode === 's' ? ' checked="checked"' : '') + '/>S:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.s : '') + '" title="' + localization.tooltips.saturation.textbox + '"/>&nbsp;%</td>\n            </tr>\n            <tr class="Value">\n              <td class="Radio"><label title="' + localization.tooltips.value.radio + '"><input type="radio" value="v"' + (settings.color.mode === 'v' ? ' checked="checked"' : '') + '/>V:</label><br/><br/></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.v : '') + '" title="' + localization.tooltips.value.textbox + '"/>&nbsp;%<br/><br/></td>\n            </tr>\n            <tr class="Red">\n              <td class="Radio"><label title="' + localization.tooltips.red.radio + '"><input type="radio" value="r"' + (settings.color.mode === 'r' ? ' checked="checked"' : '') + '/>R:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.r : '') + '" title="' + localization.tooltips.red.textbox + '"/></td>\n            </tr>\n            <tr class="Green">\n              <td class="Radio"><label title="' + localization.tooltips.green.radio + '"><input type="radio" value="g"' + (settings.color.mode === 'g' ? ' checked="checked"' : '') + '/>G:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.g : '') + '" title="' + localization.tooltips.green.textbox + '"/></td>\n            </tr>\n            <tr class="Blue">\n              <td class="Radio"><label title="' + localization.tooltips.blue.radio + '"><input type="radio" value="b"' + (settings.color.mode === 'b' ? ' checked="checked"' : '') + '/>B:</label></td>\n              <td class="Text"><input type="text" maxlength="3" value="' + (all != null ? all.b : '') + '" title="' + localization.tooltips.blue.textbox + '"/></td>\n            </tr>\n            <tr class="Alpha">\n              <td class="Radio">' + (win.alphaSupport ? '<label title="' + localization.tooltips.alpha.radio + '"><input type="radio" value="a"' + (settings.color.mode === 'a' ? ' checked="checked"' : '') + '/>A:</label>' : '&nbsp;') + '</td>\n              <td class="Text">' + (win.alphaSupport ? '<input type="text" maxlength="' + (3 + win.alphaPrecision) + '" value="' + (all != null ? toFixedNumeric(all.a * 100 / 255, win.alphaPrecision) : '') + '" title="' + localization.tooltips.alpha.textbox + '"/>&nbsp;%' : '&nbsp;') + '</td>\n            </tr>\n            <tr class="Hex">\n              <td colspan="2" class="Text"><label title="' + localization.tooltips.hex.textbox + '">#:<input type="text" maxlength="6" class="Hex" value="' + (all != null ? all.hex : '') + '"/></label>' + (win.alphaSupport ? '<input type="text" maxlength="2" class="AHex" value="' + (all != null ? all.ahex.substring(6) : '') + '" title="' + localization.tooltips.hex.alpha + '"/></td>' : '&nbsp;') + '\n            </tr>\n          </tbody></table>';
+          var controlHtml = "<table class=\"jPicker\" cellpadding=\"0\" cellspacing=\"0\">\n          <tbody>\n            ".concat(win.expandable ? "<tr><td class=\"Move\" colspan=\"5\">&nbsp;</td></tr>" : '', "\n            <tr>\n              <td rowspan=\"9\"><h2 class=\"Title\">").concat(win.title || localization.text.title, "</h2><div class=\"Map\"><span class=\"Map1\">&nbsp;</span><span class=\"Map2\">&nbsp;</span><span class=\"Map3\">&nbsp;</span><img src=\"").concat(images.clientPath + images.colorMap.arrow.file, "\" class=\"Arrow\"/></div></td>\n              <td rowspan=\"9\"><div class=\"Bar\"><span class=\"Map1\">&nbsp;</span><span class=\"Map2\">&nbsp;</span><span class=\"Map3\">&nbsp;</span><span class=\"Map4\">&nbsp;</span><span class=\"Map5\">&nbsp;</span><span class=\"Map6\">&nbsp;</span><img src=\"").concat(images.clientPath + images.colorBar.arrow.file, "\" class=\"Arrow\"/></div></td>\n              <td colspan=\"2\" class=\"Preview\">").concat(localization.text.newColor, "<div><span class=\"Active\" title=\"").concat(localization.tooltips.colors.newColor, "\">&nbsp;</span><span class=\"Current\" title=\"").concat(localization.tooltips.colors.currentColor, "\">&nbsp;</span></div>").concat(localization.text.currentColor, "</td>\n              <td rowspan=\"9\" class=\"Button\"><input type=\"button\" class=\"Ok\" value=\"").concat(localization.text.ok, "\" title=\"").concat(localization.tooltips.buttons.ok, "\"/><input type=\"button\" class=\"Cancel\" value=\"").concat(localization.text.cancel, "\" title=\"").concat(localization.tooltips.buttons.cancel, "\"/><hr/><div class=\"Grid\">&nbsp;</div></td>\n            </tr>\n            <tr class=\"Hue\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.hue.radio, "\"><input type=\"radio\" value=\"h\"").concat(settings.color.mode === 'h' ? ' checked="checked"' : '', "/>H:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.h : '', "\" title=\"").concat(localization.tooltips.hue.textbox, "\"/>&nbsp;&deg;</td>\n            </tr>\n            <tr class=\"Saturation\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.saturation.radio, "\"><input type=\"radio\" value=\"s\"").concat(settings.color.mode === 's' ? ' checked="checked"' : '', "/>S:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.s : '', "\" title=\"").concat(localization.tooltips.saturation.textbox, "\"/>&nbsp;%</td>\n            </tr>\n            <tr class=\"Value\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.value.radio, "\"><input type=\"radio\" value=\"v\"").concat(settings.color.mode === 'v' ? ' checked="checked"' : '', "/>V:</label><br/><br/></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.v : '', "\" title=\"").concat(localization.tooltips.value.textbox, "\"/>&nbsp;%<br/><br/></td>\n            </tr>\n            <tr class=\"Red\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.red.radio, "\"><input type=\"radio\" value=\"r\"").concat(settings.color.mode === 'r' ? ' checked="checked"' : '', "/>R:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.r : '', "\" title=\"").concat(localization.tooltips.red.textbox, "\"/></td>\n            </tr>\n            <tr class=\"Green\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.green.radio, "\"><input type=\"radio\" value=\"g\"").concat(settings.color.mode === 'g' ? ' checked="checked"' : '', "/>G:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.g : '', "\" title=\"").concat(localization.tooltips.green.textbox, "\"/></td>\n            </tr>\n            <tr class=\"Blue\">\n              <td class=\"Radio\"><label title=\"").concat(localization.tooltips.blue.radio, "\"><input type=\"radio\" value=\"b\"").concat(settings.color.mode === 'b' ? ' checked="checked"' : '', "/>B:</label></td>\n              <td class=\"Text\"><input type=\"text\" maxlength=\"3\" value=\"").concat(all != null ? all.b : '', "\" title=\"").concat(localization.tooltips.blue.textbox, "\"/></td>\n            </tr>\n            <tr class=\"Alpha\">\n              <td class=\"Radio\">").concat(win.alphaSupport ? "<label title=\"".concat(localization.tooltips.alpha.radio, "\"><input type=\"radio\" value=\"a\"").concat(settings.color.mode === 'a' ? ' checked="checked"' : '', "/>A:</label>") : '&nbsp;', "</td>\n              <td class=\"Text\">").concat(win.alphaSupport ? "<input type=\"text\" maxlength=\"".concat(3 + win.alphaPrecision, "\" value=\"").concat(all != null ? toFixedNumeric(all.a * 100 / 255, win.alphaPrecision) : '', "\" title=\"").concat(localization.tooltips.alpha.textbox, "\"/>&nbsp;%") : '&nbsp;', "</td>\n            </tr>\n            <tr class=\"Hex\">\n              <td colspan=\"2\" class=\"Text\"><label title=\"").concat(localization.tooltips.hex.textbox, "\">#:<input type=\"text\" maxlength=\"6\" class=\"Hex\" value=\"").concat(all != null ? all.hex : '', "\"/></label>").concat(win.alphaSupport ? "<input type=\"text\" maxlength=\"2\" class=\"AHex\" value=\"".concat(all != null ? all.ahex.substring(6) : '', "\" title=\"").concat(localization.tooltips.hex.alpha, "\"/></td>") : '&nbsp;', "\n            </tr>\n          </tbody></table>");
+
           if (win.expandable) {
             container.html(controlHtml);
+
             if (!$(document.body).children('div.jPicker.Container').length) {
               $(document.body).prepend(container);
             } else {
               $(document.body).children('div.jPicker.Container:last').after(container);
             }
+
             container.mousedown(function () {
-              $(document.body).children('div.jPicker.Container').css({ zIndex: 10 });
-              container.css({ zIndex: 20 });
+              $(document.body).children('div.jPicker.Container').css({
+                zIndex: 10
+              });
+              container.css({
+                zIndex: 20
+              });
             });
             container.css( // positions must be set and display set to absolute before source code injection or IE will size the container to fit the window
             {
@@ -24012,8 +26273,9 @@
           } else {
             container = $($this);
             container.html(controlHtml);
-          }
-          // initialize the objects to the source code just injected
+          } // initialize the objects to the source code just injected
+
+
           var tbody = container.find('tbody:first');
           colorMapDiv = tbody.find('div.Map:first');
           colorBarDiv = tbody.find('div.Bar:first');
@@ -24027,8 +26289,8 @@
           colorBarL3 = BarMaps.filter('.Map3:first');
           colorBarL4 = BarMaps.filter('.Map4:first');
           colorBarL5 = BarMaps.filter('.Map5:first');
-          colorBarL6 = BarMaps.filter('.Map6:first');
-          // create color pickers and maps
+          colorBarL6 = BarMaps.filter('.Map6:first'); // create color pickers and maps
+
           colorMap = new Slider(colorMapDiv, {
             map: {
               width: images.colorMap.width,
@@ -24057,8 +26319,12 @@
           var hex = all != null ? all.hex : null,
               preview = tbody.find('.Preview'),
               button = tbody.find('.Button');
-          activePreview = preview.find('.Active:first').css({ backgroundColor: hex && '#' + hex || 'transparent' });
-          currentPreview = preview.find('.Current:first').css({ backgroundColor: hex && '#' + hex || 'transparent' }).bind('click', currentClicked);
+          activePreview = preview.find('.Active:first').css({
+            backgroundColor: hex && '#' + hex || 'transparent'
+          });
+          currentPreview = preview.find('.Current:first').css({
+            backgroundColor: hex && '#' + hex || 'transparent'
+          }).bind('click', currentClicked);
           setAlpha.call($this, currentPreview, toFixedNumeric(color.current.val('a') * 100 / 255, 4));
           okButton = button.find('.Ok:first').bind('click', okClicked);
           cancelButton = button.find('.Cancel:first').bind('click', cancelClicked);
@@ -24075,13 +26341,16 @@
             setImg.call($this, colorBarL6, images.clientPath + 'AlphaBar.png');
             setImg.call($this, preview.find('div:first'), images.clientPath + 'preview-opacity.png');
           }, 0);
-          tbody.find('td.Radio input').bind('click', radioClicked);
-          // initialize quick list
+          tbody.find('td.Radio input').bind('click', radioClicked); // initialize quick list
+
           if (color.quickList && color.quickList.length > 0) {
             var html = '';
+
             for (var i = 0; i < color.quickList.length; i++) {
               /* if default colors are hex strings, change them to color objects */
-              if (_typeof(color.quickList[i]).toString().toLowerCase() === 'string') color.quickList[i] = new Color({ hex: color.quickList[i] });
+              if (_typeof(color.quickList[i]).toString().toLowerCase() === 'string') color.quickList[i] = new Color({
+                hex: color.quickList[i]
+              });
               var alpha = color.quickList[i].val('a');
               var ahex = color.quickList[i].val('ahex');
               if (!win.alphaSupport && ahex) ahex = ahex.substring(0, 6) + 'ff';
@@ -24089,44 +26358,53 @@
               if (!ahex) ahex = '00000000';
               html += '<span class="QuickColor"' + (' title="#' + ahex + '"') + ' style="background-color:' + (quickHex && '#' + quickHex || '') + ';' + (quickHex ? '' : 'background-image:url(' + images.clientPath + 'NoColor.png)') + (win.alphaSupport && alpha && alpha < 255 ? ';opacity:' + toFixedNumeric(alpha / 255, 4) + ';filter:Alpha(opacity=' + toFixedNumeric(alpha / 2.55, 4) + ')' : '') + '">&nbsp;</span>';
             }
+
             setImg.call($this, grid, images.clientPath + 'bar-opacity.png');
             grid.html(html);
             grid.find('.QuickColor').click(quickPickClicked);
           }
+
           setColorMode.call($this, settings.color.mode);
           color.active.bind(activeColorChanged);
           typeof liveCallback === 'function' && color.active.bind(liveCallback);
-          color.current.bind(currentColorChanged);
-          // bind to input
+          color.current.bind(currentColorChanged); // bind to input
+
           if (win.expandable) {
             $this.icon = popup.parents('.Icon:first');
-            iconColor = $this.icon.find('.Color:first').css({ backgroundColor: hex && '#' + hex || 'transparent' });
+            iconColor = $this.icon.find('.Color:first').css({
+              backgroundColor: hex && '#' + hex || 'transparent'
+            });
             iconAlpha = $this.icon.find('.Alpha:first');
             setImg.call($this, iconAlpha, images.clientPath + 'bar-opacity.png');
             setAlpha.call($this, iconAlpha, toFixedNumeric((255 - (all != null ? all.a : 0)) * 100 / 255, 4));
             iconImage = $this.icon.find('.Image:first').css({
               backgroundImage: 'url(\'' + images.clientPath + images.picker.file + '\')'
             }).bind('click', iconImageClicked);
+
             if (win.bindToInput && win.updateInputColor) {
               win.input.css({
                 backgroundColor: hex && '#' + hex || 'transparent',
                 color: all == null || all.v > 75 ? '#000000' : '#ffffff'
               });
             }
+
             moveBar = tbody.find('.Move:first').bind('mousedown', moveBarMouseDown);
             color.active.bind(expandableColorChanged);
           } else show.call($this);
         }
+
         function destroy() {
           container.find('td.Radio input').unbind('click', radioClicked);
           currentPreview.unbind('click', currentClicked);
           cancelButton.unbind('click', cancelClicked);
           okButton.unbind('click', okClicked);
+
           if (settings.window.expandable) {
             iconImage.unbind('click', iconImageClicked);
             moveBar.unbind('mousedown', moveBarMouseDown);
             $this.icon = null;
           }
+
           container.find('.QuickColor').unbind('click', quickPickClicked);
           colorMapDiv = null;
           colorBarDiv = null;
@@ -24154,24 +26432,30 @@
           cancelCallback = null;
           liveCallback = null;
           container.html('');
+
           for (var i = 0; i < List.length; i++) {
             if (List[i] === $this) {
               List.splice(i, 1);
             }
           }
         }
+
         var images = settings.images,
             localization = settings.localization; // local copies for YUI compressor
 
         var color = {
-          active: _typeof(settings.color.active).toString().toLowerCase() === 'string' ? new Color({ ahex: !settings.window.alphaSupport && settings.color.active ? settings.color.active.substring(0, 6) + 'ff' : settings.color.active
-          }) : new Color({ ahex: !settings.window.alphaSupport && settings.color.active.val('ahex') ? settings.color.active.val('ahex').substring(0, 6) + 'ff' : settings.color.active.val('ahex')
+          active: _typeof(settings.color.active).toString().toLowerCase() === 'string' ? new Color({
+            ahex: !settings.window.alphaSupport && settings.color.active ? settings.color.active.substring(0, 6) + 'ff' : settings.color.active
+          }) : new Color({
+            ahex: !settings.window.alphaSupport && settings.color.active.val('ahex') ? settings.color.active.val('ahex').substring(0, 6) + 'ff' : settings.color.active.val('ahex')
           }),
-          current: _typeof(settings.color.active).toString().toLowerCase() === 'string' ? new Color({ ahex: !settings.window.alphaSupport && settings.color.active ? settings.color.active.substring(0, 6) + 'ff' : settings.color.active }) : new Color({ ahex: !settings.window.alphaSupport && settings.color.active.val('ahex') ? settings.color.active.val('ahex').substring(0, 6) + 'ff' : settings.color.active.val('ahex')
+          current: _typeof(settings.color.active).toString().toLowerCase() === 'string' ? new Color({
+            ahex: !settings.window.alphaSupport && settings.color.active ? settings.color.active.substring(0, 6) + 'ff' : settings.color.active
+          }) : new Color({
+            ahex: !settings.window.alphaSupport && settings.color.active.val('ahex') ? settings.color.active.val('ahex').substring(0, 6) + 'ff' : settings.color.active.val('ahex')
           }),
           quickList: settings.color.quickList
         };
-
         var elementStartX = null,
             // Used to record the starting css positions for dragging the control
         elementStartY = null,
@@ -24213,16 +26497,19 @@
         commitCallback = typeof $arguments[1] === 'function' ? $arguments[1] : null,
             liveCallback = typeof $arguments[2] === 'function' ? $arguments[2] : null,
             cancelCallback = typeof $arguments[3] === 'function' ? $arguments[3] : null;
-
         $.extend(true, $this, {
           // public properties, methods, and callbacks
-          commitCallback: commitCallback, // commitCallback function can be overridden to return the selected color to a method you specify when the user clicks "OK"
-          liveCallback: liveCallback, // liveCallback function can be overridden to return the selected color to a method you specify in live mode (continuous update)
-          cancelCallback: cancelCallback, // cancelCallback function can be overridden to a method you specify when the user clicks "Cancel"
+          commitCallback: commitCallback,
+          // commitCallback function can be overridden to return the selected color to a method you specify when the user clicks "OK"
+          liveCallback: liveCallback,
+          // liveCallback function can be overridden to return the selected color to a method you specify in live mode (continuous update)
+          cancelCallback: cancelCallback,
+          // cancelCallback function can be overridden to a method you specify when the user clicks "Cancel"
           color: color,
           show: show,
           hide: hide,
           destroy: destroy // destroys this control entirely, removing all events and objects, and removing itself from the List
+
         });
         List.push($this);
         setTimeout(function () {
@@ -24236,17 +26523,20 @@
     * @property {Float} width
     * @property {Float} height
     */
+
     /**
     * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsImagesDimensionsArrow
     * @property {Float} width
     * @property {Float} height
     * @property {external:jQuery.fn.jPickerOptionsIconInfo} arrow
     */
+
     /**
     * @typedef {PlainObject} external:jQuery.fn.jPickerOptionsRadioTextboxLocale
     * @property {string} radio
     * @property {string} textbox
     */
+
     /**
     * @typedef {PlainObject} external:jQuery.fn.jPickerOptions
     * @property {PlainObject} window
@@ -24303,6 +26593,7 @@
     * @property {string} localization.tooltips.hex.textbox
     * @property {string} localization.tooltips.hex.alpha
     */
+
     /**
     * jPicker defaults - you can change anything in this section (such as the
     * clientPath to your images) without fear of breaking the program
@@ -24311,6 +26602,8 @@
     * @borrows external:jQuery.fn.jPickerOptions as external:jQuery.fn.jPicker.defaults
     * @see Source for all of the values
     */
+
+
     $.fn.jPicker.defaults = {
       window: {
         title: null,
@@ -24333,8 +26626,294 @@
       },
       color: {
         mode: 'h',
-        active: new Color({ ahex: '#ffcc00ff' }),
-        quickList: [new Color({ h: 360, s: 33, v: 100 }), new Color({ h: 360, s: 66, v: 100 }), new Color({ h: 360, s: 100, v: 100 }), new Color({ h: 360, s: 100, v: 75 }), new Color({ h: 360, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 100 }), new Color({ h: 30, s: 33, v: 100 }), new Color({ h: 30, s: 66, v: 100 }), new Color({ h: 30, s: 100, v: 100 }), new Color({ h: 30, s: 100, v: 75 }), new Color({ h: 30, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 90 }), new Color({ h: 60, s: 33, v: 100 }), new Color({ h: 60, s: 66, v: 100 }), new Color({ h: 60, s: 100, v: 100 }), new Color({ h: 60, s: 100, v: 75 }), new Color({ h: 60, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 80 }), new Color({ h: 90, s: 33, v: 100 }), new Color({ h: 90, s: 66, v: 100 }), new Color({ h: 90, s: 100, v: 100 }), new Color({ h: 90, s: 100, v: 75 }), new Color({ h: 90, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 70 }), new Color({ h: 120, s: 33, v: 100 }), new Color({ h: 120, s: 66, v: 100 }), new Color({ h: 120, s: 100, v: 100 }), new Color({ h: 120, s: 100, v: 75 }), new Color({ h: 120, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 60 }), new Color({ h: 150, s: 33, v: 100 }), new Color({ h: 150, s: 66, v: 100 }), new Color({ h: 150, s: 100, v: 100 }), new Color({ h: 150, s: 100, v: 75 }), new Color({ h: 150, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 50 }), new Color({ h: 180, s: 33, v: 100 }), new Color({ h: 180, s: 66, v: 100 }), new Color({ h: 180, s: 100, v: 100 }), new Color({ h: 180, s: 100, v: 75 }), new Color({ h: 180, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 40 }), new Color({ h: 210, s: 33, v: 100 }), new Color({ h: 210, s: 66, v: 100 }), new Color({ h: 210, s: 100, v: 100 }), new Color({ h: 210, s: 100, v: 75 }), new Color({ h: 210, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 30 }), new Color({ h: 240, s: 33, v: 100 }), new Color({ h: 240, s: 66, v: 100 }), new Color({ h: 240, s: 100, v: 100 }), new Color({ h: 240, s: 100, v: 75 }), new Color({ h: 240, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 20 }), new Color({ h: 270, s: 33, v: 100 }), new Color({ h: 270, s: 66, v: 100 }), new Color({ h: 270, s: 100, v: 100 }), new Color({ h: 270, s: 100, v: 75 }), new Color({ h: 270, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 10 }), new Color({ h: 300, s: 33, v: 100 }), new Color({ h: 300, s: 66, v: 100 }), new Color({ h: 300, s: 100, v: 100 }), new Color({ h: 300, s: 100, v: 75 }), new Color({ h: 300, s: 100, v: 50 }), new Color({ h: 180, s: 0, v: 0 }), new Color({ h: 330, s: 33, v: 100 }), new Color({ h: 330, s: 66, v: 100 }), new Color({ h: 330, s: 100, v: 100 }), new Color({ h: 330, s: 100, v: 75 }), new Color({ h: 330, s: 100, v: 50 }), new Color()]
+        active: new Color({
+          ahex: '#ffcc00ff'
+        }),
+        quickList: [new Color({
+          h: 360,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 360,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 360,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 360,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 360,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 100
+        }), new Color({
+          h: 30,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 30,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 30,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 30,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 30,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 90
+        }), new Color({
+          h: 60,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 60,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 60,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 60,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 60,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 80
+        }), new Color({
+          h: 90,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 90,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 90,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 90,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 90,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 70
+        }), new Color({
+          h: 120,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 120,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 120,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 120,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 120,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 60
+        }), new Color({
+          h: 150,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 150,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 150,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 150,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 150,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 180,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 180,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 180,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 180,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 40
+        }), new Color({
+          h: 210,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 210,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 210,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 210,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 210,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 30
+        }), new Color({
+          h: 240,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 240,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 240,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 240,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 240,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 20
+        }), new Color({
+          h: 270,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 270,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 270,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 270,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 270,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 10
+        }), new Color({
+          h: 300,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 300,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 300,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 300,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 300,
+          s: 100,
+          v: 50
+        }), new Color({
+          h: 180,
+          s: 0,
+          v: 0
+        }), new Color({
+          h: 330,
+          s: 33,
+          v: 100
+        }), new Color({
+          h: 330,
+          s: 66,
+          v: 100
+        }), new Color({
+          h: 330,
+          s: 100,
+          v: 100
+        }), new Color({
+          h: 330,
+          s: 100,
+          v: 75
+        }), new Color({
+          h: 330,
+          s: 100,
+          v: 50
+        }), new Color()]
       },
       images: {
         clientPath: '/jPicker/images/',
@@ -24417,23 +26996,20 @@
     return $;
   };
 
-  /* globals jQuery */
-
   var $$a = jQuery;
-
-  var langParam = void 0;
-
+  var langParam;
   /**
   * @param {"content"|"title"} type
   * @param {module:locale.LocaleSelectorValue} obj
   * @param {boolean} ids
   * @returns {undefined}
   */
+
   var setStrings = function setStrings(type, obj, ids) {
     // Root element to look for element from
     var parent = $$a('#svg_editor').parent();
     Object.entries(obj).forEach(function (_ref) {
-      var _ref2 = slicedToArray(_ref, 2),
+      var _ref2 = _slicedToArray(_ref, 2),
           sel = _ref2[0],
           val = _ref2[1];
 
@@ -24444,7 +27020,9 @@
       if (ids) {
         sel = '#' + sel;
       }
+
       var $elem = parent.find(sel);
+
       if ($elem.length) {
         var elem = parent.find(sel)[0];
 
@@ -24456,6 +27034,7 @@
                 break;
               }
             }
+
             break;
 
           case 'title':
@@ -24467,7 +27046,6 @@
       }
     });
   };
-
   /**
   * The "data" property is generally set to an an array of objects with
   * "id" and "title" or "textContent" properties
@@ -24478,23 +27056,24 @@
   /**
   * @interface module:locale.LocaleEditorInit
   */
+
   /**
    * @function module:locale.LocaleEditorInit#addLangData
    * @param {string} langParam
    * @returns {module:locale.AddLangExtensionLocaleData}
   */
 
-  var editor_ = void 0;
+  var editor_;
   /**
   * @function init
   * @memberof module:locale
   * @param {module:locale.LocaleEditorInit} editor
   * @returns {undefined}
   */
+
   var init$7 = function init(editor) {
     editor_ = editor;
   };
-
   /**
   * @typedef {PlainObject} module:locale.LangAndData
   * @property {string} langParam
@@ -24507,8 +27086,13 @@
   * @fires module:svgcanvas.SvgCanvas#event:ext-addLangData
   * @returns {Promise} Resolves to [`LangAndData`]{@link module:locale.LangAndData}
   */
-  var readLang = function () {
-    var _ref3 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(langData) {
+
+  var readLang =
+  /*#__PURE__*/
+  function () {
+    var _ref3 = _asyncToGenerator(
+    /*#__PURE__*/
+    regeneratorRuntime.mark(function _callee(langData) {
       var more, _langData, tools, properties, config, layers, common, ui, opts;
 
       return regeneratorRuntime.wrap(function _callee$(_context) {
@@ -24520,26 +27104,21 @@
 
             case 2:
               more = _context.sent;
-
               $$a.each(more, function (i, m) {
                 if (m.data) {
                   langData = $$a.merge(langData, m.data);
                 }
-              });
-
-              // Old locale file, do nothing for now.
+              }); // Old locale file, do nothing for now.
 
               if (langData.tools) {
                 _context.next = 6;
                 break;
               }
 
-              return _context.abrupt('return');
+              return _context.abrupt("return");
 
             case 6:
               _langData = langData, tools = _langData.tools, properties = _langData.properties, config = _langData.config, layers = _langData.layers, common = _langData.common, ui = _langData.ui;
-
-
               setStrings('content', {
                 // copyrightLabel: misc.powered_by, // Currently commented out in svg-editor.html
                 curve_segments: properties.curve_segments,
@@ -24548,7 +27127,6 @@
                 fit_to_canvas: tools.fit_to_canvas,
                 fit_to_layer_content: tools.fit_to_layer_content,
                 fit_to_sel: tools.fit_to_sel,
-
                 icon_large: config.icon_large,
                 icon_medium: config.icon_medium,
                 icon_small: config.icon_small,
@@ -24556,19 +27134,15 @@
                 image_opt_embed: config.image_opt_embed,
                 image_opt_ref: config.image_opt_ref,
                 includedImages: config.included_images,
-
                 largest_object: tools.largest_object,
-
                 layersLabel: layers.layers,
                 page: tools.page,
                 relativeToLabel: tools.relativeTo,
                 selLayerLabel: layers.move_elems_to,
                 selectedPredefined: config.select_predefined,
-
                 selected_objects: tools.selected_objects,
                 smallest_object: tools.smallest_object,
                 straight_segments: properties.straight_segments,
-
                 svginfo_bg_url: config.editor_img_url + ':',
                 svginfo_bg_note: config.editor_bg_note,
                 svginfo_change_background: config.background,
@@ -24580,50 +27154,37 @@
                 svginfo_lang: config.language,
                 svginfo_title: config.doc_title,
                 svginfo_width: common.width,
-
                 tool_docprops_cancel: common.cancel,
                 tool_docprops_save: common.ok,
-
                 tool_source_cancel: common.cancel,
                 tool_source_save: common.ok,
-
                 tool_prefs_cancel: common.cancel,
                 tool_prefs_save: common.ok,
-
                 sidepanel_handle: layers.layers.split('').join(' '),
-
                 tool_clear: tools.new_doc,
                 tool_docprops: tools.docprops,
                 tool_export: tools.export_img,
                 tool_import: tools.import_doc,
                 tool_open: tools.open_doc,
                 tool_save: tools.save_doc,
-
                 svginfo_units_rulers: config.units_and_rulers,
                 svginfo_rulers_onoff: config.show_rulers,
                 svginfo_unit: config.base_unit,
-
                 svginfo_grid_settings: config.grid,
                 svginfo_snap_onoff: config.snapping_onoff,
                 svginfo_snap_step: config.snapping_stepsize,
                 svginfo_grid_color: config.grid_color
-              }, true);
+              }, true); // Context menus
 
-              // Context menus
               opts = {};
-
               $$a.each(['cut', 'copy', 'paste', 'paste_in_place', 'delete', 'group', 'ungroup', 'move_front', 'move_up', 'move_down', 'move_back'], function () {
                 opts['#cmenu_canvas a[href="#' + this + '"]'] = tools[this];
               });
-
               $$a.each(['dupe', 'merge_down', 'merge_all'], function () {
                 opts['#cmenu_layers a[href="#' + this + '"]'] = layers[this];
               });
-
               opts['#cmenu_layers a[href="#delete"]'] = layers.del;
-
               setStrings('content', opts);
-
               setStrings('title', {
                 align_relative_to: tools.align_relative_to,
                 circle_cx: properties.circle_cx,
@@ -24721,13 +27282,14 @@
                 tool_wireframe: tools.wireframe_mode,
                 tool_zoom: tools.mode_zoom,
                 url_notice: tools.no_embed
-
               }, true);
-
-              return _context.abrupt('return', { langParam: langParam, langData: langData });
+              return _context.abrupt("return", {
+                langParam: langParam,
+                langData: langData
+              });
 
             case 15:
-            case 'end':
+            case "end":
               return _context.stop();
           }
         }
@@ -24738,7 +27300,6 @@
       return _ref3.apply(this, arguments);
     };
   }();
-
   /**
   * @function module:locale.putLocale
   * @param {string} givenParam
@@ -24749,8 +27310,13 @@
   * @fires module:svgcanvas.SvgCanvas#event:ext-langChanged
   * @returns {Promise} Resolves to result of {@link module:locale.readLang}
   */
-  var putLocale = function () {
-    var _ref4 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2(givenParam, goodLangs, conf) {
+
+  var putLocale =
+  /*#__PURE__*/
+  function () {
+    var _ref4 = _asyncToGenerator(
+    /*#__PURE__*/
+    regeneratorRuntime.mark(function _callee2(givenParam, goodLangs, conf) {
       var url;
       return regeneratorRuntime.wrap(function _callee2$(_context2) {
         while (1) {
@@ -24760,6 +27326,7 @@
                 langParam = givenParam;
               } else {
                 langParam = $$a.pref('lang');
+
                 if (!langParam) {
                   if (navigator.userLanguage) {
                     // Explorer
@@ -24770,18 +27337,16 @@
                   }
                 }
 
-                console.log('Lang: ' + langParam);
+                console.log('Lang: ' + langParam); // Set to English if language is not in list of good langs
 
-                // Set to English if language is not in list of good langs
                 if (!goodLangs.includes(langParam) && langParam !== 'test') {
                   langParam = 'en';
-                }
-
-                // don't bother on first run if language is English
+                } // don't bother on first run if language is English
                 // The following line prevents setLang from running
                 //    extensions which depend on updated uiStrings,
                 //    so commenting it out.
                 // if (langParam.startsWith('en')) {return;}
+
               }
 
               url = conf.langPath + 'lang.' + langParam + '.js';
@@ -24793,10 +27358,10 @@
 
             case 5:
               _context2.t1 = _context2.sent;
-              return _context2.abrupt('return', (0, _context2.t0)(_context2.t1));
+              return _context2.abrupt("return", (0, _context2.t0)(_context2.t1));
 
             case 7:
-            case 'end':
+            case "end":
               return _context2.stop();
           }
         }
@@ -24809,109 +27374,119 @@
   }();
 
   function loadStylesheets(stylesheets) {
-      var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
-          beforeDefault = _ref.before,
-          afterDefault = _ref.after,
-          faviconDefault = _ref.favicon,
-          canvasDefault = _ref.canvas,
-          _ref$image = _ref.image,
-          imageDefault = _ref$image === undefined ? true : _ref$image,
-          acceptErrors = _ref.acceptErrors;
+    var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+        beforeDefault = _ref.before,
+        afterDefault = _ref.after,
+        faviconDefault = _ref.favicon,
+        canvasDefault = _ref.canvas,
+        _ref$image = _ref.image,
+        imageDefault = _ref$image === void 0 ? true : _ref$image,
+        acceptErrors = _ref.acceptErrors;
 
-      stylesheets = Array.isArray(stylesheets) ? stylesheets : [stylesheets];
+    stylesheets = Array.isArray(stylesheets) ? stylesheets : [stylesheets];
 
-      function setupLink(stylesheetURL) {
-          var options = {};
-          if (Array.isArray(stylesheetURL)) {
-              var _stylesheetURL = stylesheetURL;
+    function setupLink(stylesheetURL) {
+      var options = {};
 
-              var _stylesheetURL2 = slicedToArray(_stylesheetURL, 2);
+      if (Array.isArray(stylesheetURL)) {
+        var _stylesheetURL = stylesheetURL;
 
-              stylesheetURL = _stylesheetURL2[0];
-              var _stylesheetURL2$ = _stylesheetURL2[1];
-              options = _stylesheetURL2$ === undefined ? {} : _stylesheetURL2$;
-          }
-          var _options = options,
-              _options$favicon = _options.favicon,
-              favicon = _options$favicon === undefined ? faviconDefault : _options$favicon;
-          var _options2 = options,
-              _options2$before = _options2.before,
-              before = _options2$before === undefined ? beforeDefault : _options2$before,
-              _options2$after = _options2.after,
-              after = _options2$after === undefined ? afterDefault : _options2$after,
-              _options2$canvas = _options2.canvas,
-              canvas = _options2$canvas === undefined ? canvasDefault : _options2$canvas,
-              _options2$image = _options2.image,
-              image = _options2$image === undefined ? imageDefault : _options2$image;
+        var _stylesheetURL2 = _slicedToArray(_stylesheetURL, 2);
 
-          function addLink() {
-              if (before) {
-                  before.before(link);
-              } else if (after) {
-                  after.after(link);
-              } else {
-                  document.head.appendChild(link);
-              }
-          }
-
-          var link = document.createElement('link');
-          return new Promise(function (resolve, reject) {
-              var rej = reject;
-              if (acceptErrors) {
-                  rej = typeof acceptErrors === 'function' ? function (error) {
-                      acceptErrors({ error: error, stylesheetURL: stylesheetURL, options: options, resolve: resolve, reject: reject });
-                  } : resolve;
-              }
-              if (stylesheetURL.endsWith('.css')) {
-                  favicon = false;
-              } else if (stylesheetURL.endsWith('.ico')) {
-                  favicon = true;
-              }
-              if (favicon) {
-                  link.rel = 'shortcut icon';
-                  link.type = 'image/x-icon';
-
-                  if (image === false) {
-                      link.href = stylesheetURL;
-                      addLink();
-                      resolve(link);
-                      return;
-                  }
-
-                  var cnv = document.createElement('canvas');
-                  cnv.width = 16;
-                  cnv.height = 16;
-                  var context = cnv.getContext('2d');
-                  var img = document.createElement('img');
-                  img.addEventListener('error', function (error) {
-                      reject(error);
-                  });
-                  img.addEventListener('load', function () {
-                      context.drawImage(img, 0, 0);
-                      link.href = canvas ? cnv.toDataURL('image/x-icon') : stylesheetURL;
-                      addLink();
-                      resolve(link);
-                  });
-                  img.src = stylesheetURL;
-                  return;
-              }
-              link.rel = 'stylesheet';
-              link.type = 'text/css';
-              link.href = stylesheetURL;
-              addLink();
-              link.addEventListener('error', function (error) {
-                  rej(error);
-              });
-              link.addEventListener('load', function () {
-                  resolve(link);
-              });
-          });
+        stylesheetURL = _stylesheetURL2[0];
+        var _stylesheetURL2$ = _stylesheetURL2[1];
+        options = _stylesheetURL2$ === void 0 ? {} : _stylesheetURL2$;
       }
 
-      return Promise.all(stylesheets.map(setupLink));
-  }
+      var _options = options,
+          _options$favicon = _options.favicon,
+          favicon = _options$favicon === void 0 ? faviconDefault : _options$favicon;
+      var _options2 = options,
+          _options2$before = _options2.before,
+          before = _options2$before === void 0 ? beforeDefault : _options2$before,
+          _options2$after = _options2.after,
+          after = _options2$after === void 0 ? afterDefault : _options2$after,
+          _options2$canvas = _options2.canvas,
+          canvas = _options2$canvas === void 0 ? canvasDefault : _options2$canvas,
+          _options2$image = _options2.image,
+          image = _options2$image === void 0 ? imageDefault : _options2$image;
 
-  /* globals jQuery */
+      function addLink() {
+        if (before) {
+          before.before(link);
+        } else if (after) {
+          after.after(link);
+        } else {
+          document.head.appendChild(link);
+        }
+      }
+
+      var link = document.createElement('link');
+      return new Promise(function (resolve, reject) {
+        var rej = reject;
+
+        if (acceptErrors) {
+          rej = typeof acceptErrors === 'function' ? function (error) {
+            acceptErrors({
+              error: error,
+              stylesheetURL: stylesheetURL,
+              options: options,
+              resolve: resolve,
+              reject: reject
+            });
+          } : resolve;
+        }
+
+        if (stylesheetURL.endsWith('.css')) {
+          favicon = false;
+        } else if (stylesheetURL.endsWith('.ico')) {
+          favicon = true;
+        }
+
+        if (favicon) {
+          link.rel = 'shortcut icon';
+          link.type = 'image/x-icon';
+
+          if (image === false) {
+            link.href = stylesheetURL;
+            addLink();
+            resolve(link);
+            return;
+          }
+
+          var cnv = document.createElement('canvas');
+          cnv.width = 16;
+          cnv.height = 16;
+          var context = cnv.getContext('2d');
+          var img = document.createElement('img');
+          img.addEventListener('error', function (error) {
+            reject(error);
+          });
+          img.addEventListener('load', function () {
+            context.drawImage(img, 0, 0);
+            link.href = canvas ? cnv.toDataURL('image/x-icon') : stylesheetURL;
+            addLink();
+            resolve(link);
+          });
+          img.src = stylesheetURL;
+          return;
+        }
+
+        link.rel = 'stylesheet';
+        link.type = 'text/css';
+        link.href = stylesheetURL;
+        addLink();
+        link.addEventListener('error', function (error) {
+          rej(error);
+        });
+        link.addEventListener('load', function () {
+          resolve(link);
+        });
+      });
+    }
+
+    return Promise.all(stylesheets.map(setupLink));
+  }
 
   /**
   * The main module for the visual SVG Editor
@@ -24928,51 +27503,62 @@
   * @borrows module:locale.readLang as readLang
   * @borrows module:locale.setStrings as setStrings
   */
-  var editor = {};
 
+  var editor = {};
   var $$b = [jqPluginJSHotkeys, jqPluginBBQ, jqPluginSVGIcons, jqPluginJGraduate, jqPluginSpinBtn, jqPluginSVG, jQueryContextMenu, jPicker].reduce(function ($, cb) {
     return cb($);
   }, jQuery);
-
   /*
   if (!$.loadingStylesheets) {
     $.loadingStylesheets = [];
   }
   */
+
   var stylesheet = 'svg-editor.css';
+
   if (!$$b.loadingStylesheets.includes(stylesheet)) {
     $$b.loadingStylesheets.push(stylesheet);
   }
+
   var favicon = 'images/logo.png';
+
   if ($$b.loadingStylesheets.some(function (item) {
     return !Array.isArray(item) || item[0] !== favicon;
   })) {
-    $$b.loadingStylesheets.push([favicon, { favicon: true }]);
-  }
-
-  // EDITOR PROPERTIES: (defined below)
+    $$b.loadingStylesheets.push([favicon, {
+      favicon: true
+    }]);
+  } // EDITOR PROPERTIES: (defined below)
   //    curPrefs, curConfig, canvas, storage, uiStrings
   //
   // STATE MAINTENANCE PROPERTIES
+
   /**
   * @type {Float}
   */
+
+
   editor.tool_scale = 1; // Dependent on icon size, so any use to making configurable instead? Used by `jQuery.SpinButton.js`
+
   /**
   * @type {Integer}
   */
+
   editor.exportWindowCt = 0;
   /**
   * @type {boolean}
   */
+
   editor.langChanged = false;
   /**
   * @type {boolean}
   */
+
   editor.showSaveWarning = false;
   /**
   * @type {boolean}
   */
+
   editor.storagePromptClosed = false; // For use with ext-storage.js
 
   var callbacks = [],
@@ -24980,6 +27566,7 @@
   /**
   * @typedef {"s"|"m"|"l"|"xl"|Float} module:SVGEditor.IconSize
   */
+
   /**
   * Preferences
   * @interface module:SVGEditor.Prefs
@@ -24992,18 +27579,23 @@
   * @property {boolean} [export_notice_done=false] Used to track alert status
   * @todo `save_notice_done` and `export_notice_done` should be changed to flags rather than preferences
   */
+
   /**
   * @namespace {module:SVGEditor.Prefs} defaultPrefs
   * @memberof module:SVGEditor~
   * @implements {module:SVGEditor.Prefs}
   */
   // The iteration algorithm for defaultPrefs does not currently support array/objects
-  defaultPrefs = /** @lends module:SVGEditor~defaultPrefs */{
+  defaultPrefs =
+  /** @lends module:SVGEditor~defaultPrefs */
+  {
     // EDITOR OPTIONS (DIALOG)
+
     /**
     * Default to "en" if locale.js detection does not detect another language
     */
     lang: '',
+
     /**
     * Will default to 's' if the window height is smaller than the minimum height and
     * 'm' otherwise
@@ -25028,12 +27620,14 @@
   /**
   * @typedef {"@default"|string} module:SVGEditor.Stylesheet `@default` will automatically load all of the default CSS paths for SVGEditor
   */
+
   /**
   * @typedef {GenericArray} module:SVGEditor.XYDimensions
   * @property {Integer} length 2
   * @property {Float} 0
   * @property {Float} 1
   */
+
   /**
   * @tutorial ConfigOptions
   * @interface module:SVGEditor.Config
@@ -25086,6 +27680,7 @@
   * @property {boolean} [selectNew=true] If true, will replace the selection with the current element and automatically select element objects (when not in "path" mode) after they are created, showing their grips (v2.6). Set and used in `svgcanvas.js` (`mouseUp`).
   * @todo Some others could be preferences as well (e.g., preventing URL changing of extensions, defaultExtensions, stylesheets, colorPickerCSS); Change the following to preferences and add pref controls where missing to the UI (e.g., `canvas_expansion`, `initFill`, `initStroke`, `text`, `initOpacity`, `dimensions`, `initTool`, `wireframe`, `showlayers`, `gridSnapping`, `gridColor`, `baseUnit`, `snappingStep`, `showRulers`, `exportWindowType`, `showGrid`, `show_outside_canvas`, `selectNew`)?
   */
+
   /**
   * @namespace {module:SVGEditor.Config} defaultConfig
   * @memberof module:SVGEditor~
@@ -25095,12 +27690,14 @@
     canvasName: 'default',
     canvas_expansion: 3,
     initFill: {
-      color: 'FF0000', // solid red
+      color: 'FF0000',
+      // solid red
       opacity: 1
     },
     initStroke: {
       width: 5,
-      color: '000000', // solid black
+      color: '000000',
+      // solid black
       opacity: 1
     },
     text: {
@@ -25109,19 +27706,25 @@
       font_family: 'serif'
     },
     initOpacity: 1,
-    colorPickerCSS: null, // Defaults to 'left' with a position equal to that of the fill_color or stroke_color element minus 140, and a 'bottom' equal to 40
+    colorPickerCSS: null,
+    // Defaults to 'left' with a position equal to that of the fill_color or stroke_color element minus 140, and a 'bottom' equal to 40
     initTool: 'select',
-    exportWindowType: 'new', // 'same' (todo: also support 'download')
+    exportWindowType: 'new',
+    // 'same' (todo: also support 'download')
     wireframe: false,
     showlayers: false,
     no_save_warning: false,
     // PATH CONFIGURATION
     // The following path configuration items are disallowed in the URL (as should any future path configurations)
     imgPath: 'images/',
-    langPath: 'locale/', // Default will be changed if this is a modular load
-    extPath: 'extensions/', // Default will be changed if this is a modular load
-    canvgPath: 'canvg/', // Default will be changed if this is a modular load
-    jspdfPath: 'jspdf/', // Default will be changed if this is a modular load
+    langPath: 'locale/',
+    // Default will be changed if this is a modular load
+    extPath: 'extensions/',
+    // Default will be changed if this is a modular load
+    canvgPath: 'canvg/',
+    // Default will be changed if this is a modular load
+    jspdfPath: 'jspdf/',
+    // Default will be changed if this is a modular load
     extIconsPath: 'extensions/',
     jGraduatePath: 'jgraduate/images/',
     // DOCUMENT PROPERTIES
@@ -25138,14 +27741,20 @@
     preventAllURLConfig: false,
     preventURLContentLoading: false,
     // EXTENSION CONFIGURATION (see also preventAllURLConfig)
-    lockExtensions: false, // Disallowed in URL setting
-    noDefaultExtensions: false, // noDefaultExtensions can only be meaningfully used in `svgedit-config-iife.js` or in the URL
+    lockExtensions: false,
+    // Disallowed in URL setting
+    noDefaultExtensions: false,
+    // noDefaultExtensions can only be meaningfully used in `svgedit-config-iife.js` or in the URL
     // EXTENSION-RELATED (GRID)
-    showGrid: false, // Set by ext-grid.js
+    showGrid: false,
+    // Set by ext-grid.js
     // EXTENSION-RELATED (STORAGE)
-    noStorageOnLoad: false, // Some interaction with ext-storage.js; prevent even the loading of previously saved local storage
-    forceStorage: false, // Some interaction with ext-storage.js; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not
+    noStorageOnLoad: false,
+    // Some interaction with ext-storage.js; prevent even the loading of previously saved local storage
+    forceStorage: false,
+    // Some interaction with ext-storage.js; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not
     emptyStorageOnDecline: false // Used by ext-storage.js; empty any prior storage if the user declines to store
+
   },
 
   /**
@@ -25154,15 +27763,13 @@
   * @type {PlainObject}
   */
   uiStrings$1 = editor.uiStrings = {};
-
-  var svgCanvas = void 0,
-      urldata = void 0,
+  var svgCanvas,
+      urldata,
       isReady = false,
       customExportImage = false,
       customExportPDF = false,
       curPrefs = {},
-
-  // Note: The difference between Prefs and Config is that Prefs
+      // Note: The difference between Prefs and Config is that Prefs
   //   can be changed in the UI and are stored in the browser,
   //   while config cannot
   curConfig = {
@@ -25170,6 +27777,7 @@
     //   procedures (we obtain instead from defaultExtensions)
     extensions: [],
     stylesheets: [],
+
     /**
     * Can use `location.origin` to indicate the current
     * origin. Can contain a '*' to allow all domains or 'null' (as
@@ -25190,6 +27798,7 @@
   function loadSvgString(str, callback) {
     var success = svgCanvas.setSvgString(str) !== false;
     callback = callback || $$b.noop;
+
     if (success) {
       callback(true); // eslint-disable-line standard/no-callback-literal
     } else {
@@ -25198,13 +27807,14 @@
       });
     }
   }
-
   /**
    * @function module:SVGEditor~getImportLocale
    * @param {string} defaultLang
    * @param {string} defaultName
    * @returns {module:SVGEditor~ImportLocale}
    */
+
+
   function getImportLocale(_ref) {
     var defaultLang = _ref.defaultLang,
         defaultName = _ref.defaultName;
@@ -25215,67 +27825,76 @@
      * @param {string} [lang=defaultLang] Defaults to `defaultLang` of {@link module:SVGEditor~getImportLocale}
      * @returns {Promise} Resolves to {@link module:locale.LocaleStrings}
      */
-    return function () {
-      var _ref2 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2() {
-        var importLocale = function () {
-          var _ref4 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(lang) {
-            var url;
-            return regeneratorRuntime.wrap(function _callee$(_context) {
-              while (1) {
-                switch (_context.prev = _context.next) {
-                  case 0:
-                    url = curConfig.extPath + 'ext-locale/' + name + '/' + lang + '.js';
-                    return _context.abrupt('return', importSetGlobalDefault(url, {
-                      global: 'svgEditorExtensionLocale_' + name + '_' + lang
+    return (
+      /*#__PURE__*/
+      function () {
+        var _importLocale = _asyncToGenerator(
+        /*#__PURE__*/
+        regeneratorRuntime.mark(function _callee2() {
+          var _ref2,
+              _ref2$name,
+              name,
+              _ref2$lang,
+              lang,
+              importLocale,
+              _importLocale2,
+              _args2 = arguments;
+
+          return regeneratorRuntime.wrap(function _callee2$(_context2) {
+            while (1) {
+              switch (_context2.prev = _context2.next) {
+                case 0:
+                  _importLocale2 = function _ref4() {
+                    _importLocale2 = _asyncToGenerator(
+                    /*#__PURE__*/
+                    regeneratorRuntime.mark(function _callee(lang) {
+                      var url;
+                      return regeneratorRuntime.wrap(function _callee$(_context) {
+                        while (1) {
+                          switch (_context.prev = _context.next) {
+                            case 0:
+                              url = "".concat(curConfig.extPath, "ext-locale/").concat(name, "/").concat(lang, ".js");
+                              return _context.abrupt("return", importSetGlobalDefault(url, {
+                                global: "svgEditorExtensionLocale_".concat(name, "_").concat(lang)
+                              }));
+
+                            case 2:
+                            case "end":
+                              return _context.stop();
+                          }
+                        }
+                      }, _callee, this);
                     }));
+                    return _importLocale2.apply(this, arguments);
+                  };
 
-                  case 2:
-                  case 'end':
-                    return _context.stop();
-                }
+                  importLocale = function _ref3(_x) {
+                    return _importLocale2.apply(this, arguments);
+                  };
+
+                  _ref2 = _args2.length > 0 && _args2[0] !== undefined ? _args2[0] : {}, _ref2$name = _ref2.name, name = _ref2$name === void 0 ? defaultName : _ref2$name, _ref2$lang = _ref2.lang, lang = _ref2$lang === void 0 ? defaultLang : _ref2$lang;
+                  _context2.prev = 3;
+                  return _context2.abrupt("return", importLocale(lang));
+
+                case 7:
+                  _context2.prev = 7;
+                  _context2.t0 = _context2["catch"](3);
+                  return _context2.abrupt("return", importLocale('en'));
+
+                case 10:
+                case "end":
+                  return _context2.stop();
               }
-            }, _callee, this);
-          }));
-
-          return function importLocale(_x2) {
-            return _ref4.apply(this, arguments);
-          };
-        }();
-
-        var _ref3 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
-            _ref3$name = _ref3.name,
-            name = _ref3$name === undefined ? defaultName : _ref3$name,
-            _ref3$lang = _ref3.lang,
-            lang = _ref3$lang === undefined ? defaultLang : _ref3$lang;
-
-        return regeneratorRuntime.wrap(function _callee2$(_context2) {
-          while (1) {
-            switch (_context2.prev = _context2.next) {
-              case 0:
-                _context2.prev = 0;
-                return _context2.abrupt('return', importLocale(lang));
-
-              case 4:
-                _context2.prev = 4;
-                _context2.t0 = _context2['catch'](0);
-                return _context2.abrupt('return', importLocale('en'));
-
-              case 7:
-              case 'end':
-                return _context2.stop();
             }
-          }
-        }, _callee2, this, [[0, 4]]);
-      }));
+          }, _callee2, this, [[3, 7]]);
+        }));
 
-      function importLocale() {
-        return _ref2.apply(this, arguments);
-      }
-
-      return importLocale;
-    }();
+        return function importLocale() {
+          return _importLocale.apply(this, arguments);
+        };
+      }()
+    );
   }
-
   /**
   * EXPORTS
   */
@@ -25292,6 +27911,8 @@
   *  the pref dialog has a button to auto-calculate background, but otherwise uses `$.pref()` to be able to get default prefs
   *  or overridable settings
   */
+
+
   $$b.pref = function (key, val) {
     if (val) {
       curPrefs[key] = val;
@@ -25300,21 +27921,24 @@
       * @memberof module:SVGEditor
       * @implements {module:SVGEditor.Prefs}
       */
+
       editor.curPrefs = curPrefs; // Update exported value
+
       return;
     }
+
     return key in curPrefs ? curPrefs[key] : defaultPrefs[key];
   };
-
   /*
   * EDITOR PUBLIC METHODS
   // Todo: Sort these methods per invocation order, ideally with init at the end
   // Todo: Prevent execution until init executes if dependent on it?
   */
+
+
   editor.putLocale = putLocale;
   editor.readLang = readLang;
   editor.setStrings = setStrings;
-
   /**
   * Where permitted, sets canvas and/or `defaultPrefs` based on previous
   *  storage. This will override URL settings (for security reasons) but
@@ -25328,28 +27952,32 @@
   *  that, it will then be subject to tampering
   * @returns {undefined}
   */
+
   editor.loadContentAndPrefs = function () {
     if (!curConfig.forceStorage && (curConfig.noStorageOnLoad || !document.cookie.match(/(?:^|;\s*)store=(?:prefsAndContent|prefsOnly)/))) {
       return;
-    }
+    } // LOAD CONTENT
+
 
-    // LOAD CONTENT
     if (editor.storage && ( // Cookies do not have enough available memory to hold large documents
     curConfig.forceStorage || !curConfig.noStorageOnLoad && document.cookie.match(/(?:^|;\s*)store=prefsAndContent/))) {
-      var _name = 'svgedit-' + curConfig.canvasName;
-      var cached = editor.storage.getItem(_name);
+      var name = 'svgedit-' + curConfig.canvasName;
+      var cached = editor.storage.getItem(name);
+
       if (cached) {
         editor.loadFromString(cached);
       }
-    }
+    } // LOAD PREFS
+
 
-    // LOAD PREFS
     for (var key in defaultPrefs) {
       if (defaultPrefs.hasOwnProperty(key)) {
         // It's our own config, so we don't need to iterate up the prototype chain
         var storeKey = 'svg-edit-' + key;
+
         if (editor.storage) {
           var val = editor.storage.getItem(storeKey);
+
           if (val) {
             defaultPrefs[key] = String(val); // Convert to string for FF (.value fails in Webkit)
           }
@@ -25362,7 +27990,6 @@
       }
     }
   };
-
   /**
   * Allows setting of preferences or configuration (including extensions).
   * @param {module:SVGEditor.Config|module:SVGEditor.Prefs} opts The preferences or configuration (including extensions). See the tutorial on {@tutorial ConfigOptions} for info on config and preferences.
@@ -25383,8 +28010,11 @@
   *   not be needed in `svgedit-config-iife.js`.
   * @returns {undefined}
   */
+
+
   editor.setConfig = function (opts, cfgCfg) {
     cfgCfg = cfgCfg || {};
+
     function extendOrAdd(cfgObj, key, val) {
       if (cfgObj[key] && _typeof(cfgObj[key]) === 'object') {
         $$b.extend(true, cfgObj[key], val);
@@ -25392,6 +28022,7 @@
         cfgObj[key] = val;
       }
     }
+
     $$b.each(opts, function (key, val) {
       if (opts.hasOwnProperty(key)) {
         // Only allow prefs defined in defaultPrefs
@@ -25399,6 +28030,7 @@
           if (cfgCfg.overwrite === false && (curConfig.preventAllURLConfig || curPrefs.hasOwnProperty(key))) {
             return;
           }
+
           if (cfgCfg.allowInitialUserOverride === true) {
             defaultPrefs[key] = val;
           } else {
@@ -25408,17 +28040,20 @@
           if (cfgCfg.overwrite === false && (curConfig.preventAllURLConfig || ['allowedOrigins', 'stylesheets'].includes(key) || key === 'extensions' && curConfig.lockExtensions)) {
             return;
           }
+
           curConfig[key] = curConfig[key].concat(val); // We will handle any dupes later
           // Only allow other curConfig if defined in defaultConfig
         } else if (defaultConfig.hasOwnProperty(key)) {
           if (cfgCfg.overwrite === false && (curConfig.preventAllURLConfig || curConfig.hasOwnProperty(key))) {
             return;
-          }
-          // Potentially overwriting of previously set config
+          } // Potentially overwriting of previously set config
+
+
           if (curConfig.hasOwnProperty(key)) {
             if (cfgCfg.overwrite === false) {
               return;
             }
+
             extendOrAdd(curConfig, key, val);
           } else {
             if (cfgCfg.allowInitialUserOverride === true) {
@@ -25440,14 +28075,15 @@
     * @memberof module:SVGEditor
     * @implements {module:SVGEditor.Config}
     */
+
     editor.curConfig = curConfig; // Update exported value
   };
-
   /**
   * All methods are optional
   * @interface module:SVGEditor.CustomHandler
   * @type {PlainObject}
   */
+
   /**
   * Its responsibilities are:
   *  - invoke a file chooser dialog in 'open' mode
@@ -25457,6 +28093,7 @@
   * @function module:SVGEditor.CustomHandler#open
   * @returns {undefined}
   */
+
   /**
   * Its responsibilities are:
   *  - accept the string contents of the current document
@@ -25468,6 +28105,7 @@
   * @listens module:svgcanvas.SvgCanvas#event:saved
   * @returns {undefined}
   */
+
   /**
   * Its responsibilities (with regard to the object it is supplied in its 2nd argument) are:
   *  - inform user of any issues supplied via the "issues" property
@@ -25481,6 +28119,7 @@
   * @listens module:svgcanvas.SvgCanvas#event:exported
   * @returns {undefined}
   */
+
   /**
   * @function module:SVGEditor.CustomHandler#exportPDF
   * @param {external:Window} win
@@ -25495,6 +28134,8 @@
   * @param {module:SVGEditor.CustomHandler} opts Extension mechanisms may call `setCustomHandlers` with three functions: `opts.open`, `opts.save`, and `opts.exportImage`
   * @returns {undefined}
   */
+
+
   editor.setCustomHandlers = function (opts) {
     editor.ready(function () {
       if (opts.open) {
@@ -25502,35 +28143,41 @@
         $$b('#tool_open').show();
         svgCanvas.open = opts.open;
       }
+
       if (opts.save) {
         editor.showSaveWarning = false;
         svgCanvas.bind('saved', opts.save);
       }
+
       if (opts.exportImage) {
         customExportImage = opts.exportImage;
         svgCanvas.bind('exported', customExportImage); // canvg and our RGBColor will be available to the method
       }
+
       if (opts.exportPDF) {
         customExportPDF = opts.exportPDF;
         svgCanvas.bind('exportedPDF', customExportPDF); // jsPDF and our RGBColor will be available to the method
       }
     });
   };
-
   /**
   * @param {boolean} arg
   * @returns {undefined}
   */
+
+
   editor.randomizeIds = function (arg) {
     return svgCanvas.randomizeIds(arg);
   };
-
   /**
   * Auto-run after a Promise microtask
   * @returns {undefined}
   */
+
+
   editor.init = function () {
     var modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false;
+
     if (!modularVersion) {
       Object.assign(defaultConfig, {
         langPath: '../dist/locale/',
@@ -25538,18 +28185,20 @@
         canvgPath: '../dist/',
         jspdfPath: '../dist/'
       });
-    }
-
-    // const host = location.hostname,
+    } // const host = location.hostname,
     //  onWeb = host && host.includes('.');
     // Some FF versions throw security errors here when directly accessing
+
+
     try {
       if ('localStorage' in window) {
         // && onWeb removed so Webkit works locally
+
         /**
         * The built-in interface implemented by `localStorage`
         * @external Storage
         */
+
         /**
         * @name storage
         * @memberof module:SVGEditor
@@ -25557,9 +28206,9 @@
         */
         editor.storage = localStorage;
       }
-    } catch (err) {}
+    } catch (err) {} // Todo: Avoid const-defined functions and group functions together, etc. where possible
+
 
-    // Todo: Avoid const-defined functions and group functions together, etc. where possible
     var goodLangs = [];
     $$b('#lang_select option').each(function () {
       goodLangs.push(this.value);
@@ -25568,30 +28217,34 @@
     function setupCurPrefs() {
       curPrefs = $$b.extend(true, {}, defaultPrefs, curPrefs); // Now safe to merge with priority for curPrefs in the event any are already set
       // Export updated prefs
+
       editor.curPrefs = curPrefs;
     }
+
     function setupCurConfig() {
       curConfig = $$b.extend(true, {}, defaultConfig, curConfig); // Now safe to merge with priority for curConfig in the event any are already set
-
       // Now deal with extensions and other array config
+
       if (!curConfig.noDefaultExtensions) {
         curConfig.extensions = curConfig.extensions.concat(defaultExtensions);
-      }
-      // ...and remove any dupes
+      } // ...and remove any dupes
+
+
       ['extensions', 'stylesheets', 'allowedOrigins'].forEach(function (cfg) {
         curConfig[cfg] = $$b.grep(curConfig[cfg], function (n, i) {
           // Supposedly faster than filter per http://amandeep1986.blogspot.hk/2015/02/jquery-grep-vs-js-filter.html
           return i === curConfig[cfg].indexOf(n);
         });
-      });
-      // Export updated config
+      }); // Export updated config
+
       editor.curConfig = curConfig;
     }
+
     (function () {
       // Load config/data from URL if given
-      var src = void 0,
-          qstr = void 0;
+      var src, qstr;
       urldata = $$b.deparam.querystring(true);
+
       if (!$$b.isEmptyObject(urldata)) {
         if (urldata.dimensions) {
           urldata.dimensions = urldata.dimensions.split(',');
@@ -25604,44 +28257,50 @@
         if (urldata.extensions) {
           // For security reasons, disallow cross-domain or cross-folder extensions via URL
           urldata.extensions = urldata.extensions.match(/[:/\\]/) ? '' : urldata.extensions.split(',');
-        }
-
-        // Disallowing extension paths via URL for
+        } // Disallowing extension paths via URL for
         // security reasons, even for same-domain
         // ones given potential to interact in undesirable
         // ways with other script resources
+
+
         ['extPath', 'imgPath', 'extIconsPath', 'canvgPath', 'langPath', 'jGraduatePath', 'jspdfPath'].forEach(function (pathConfig) {
           if (urldata[pathConfig]) {
             delete urldata[pathConfig];
           }
         });
-
-        editor.setConfig(urldata, { overwrite: false }); // Note: source and url (as with storagePrompt later) are not set on config but are used below
+        editor.setConfig(urldata, {
+          overwrite: false
+        }); // Note: source and url (as with storagePrompt later) are not set on config but are used below
 
         setupCurConfig();
 
         if (!curConfig.preventURLContentLoading) {
           src = urldata.source;
           qstr = $$b.param.querystring();
+
           if (!src) {
             // urldata.source may have been null if it ended with '='
             if (qstr.includes('source=data:')) {
               src = qstr.match(/source=(data:[^&]*)/)[1];
             }
           }
+
           if (src) {
             if (src.startsWith('data:')) {
               editor.loadFromDataURI(src);
             } else {
               editor.loadFromString(src);
             }
+
             return;
           }
+
           if (urldata.url) {
             editor.loadFromURL(urldata.url);
             return;
           }
         }
+
         if (!urldata.noStorageOnLoad || curConfig.forceStorage) {
           editor.loadContentAndPrefs();
         }
@@ -25649,9 +28308,9 @@
         setupCurConfig();
         editor.loadContentAndPrefs();
       }
+
       setupCurPrefs();
     })();
-
     /**
     * Called internally
     * @param {string|Element|external:jQuery} elem
@@ -25659,15 +28318,18 @@
     * @param {Float} forcedSize Not in use
     * @returns {undefined}
     */
+
+
     var setIcon = editor.setIcon = function (elem, iconId, forcedSize) {
       var icon = typeof iconId === 'string' ? $$b.getSvgIcon(iconId, true) : iconId.clone();
+
       if (!icon) {
         console.log('NOTE: Icon image missing: ' + iconId);
         return;
       }
+
       $$b(elem).empty().append(icon);
     };
-
     /**
      * @fires module:svgcanvas.SvgCanvas#event:ext-addLangData
      * @fires module:svgcanvas.SvgCanvas#event:ext-langReady
@@ -25675,10 +28337,14 @@
      * @fires module:svgcanvas.SvgCanvas#event:extensions_added
      * @returns {Promise} Resolves to result of {@link module:locale.readLang}
      */
-    var extAndLocaleFunc = function () {
-      var _ref5 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee4() {
-        var _this = this;
 
+
+    var extAndLocaleFunc =
+    /*#__PURE__*/
+    function () {
+      var _ref5 = _asyncToGenerator(
+      /*#__PURE__*/
+      regeneratorRuntime.mark(function _callee4() {
         var _ref6, langParam, langData;
 
         return regeneratorRuntime.wrap(function _callee4$(_context4) {
@@ -25692,14 +28358,16 @@
                 _ref6 = _context4.sent;
                 langParam = _ref6.langParam;
                 langData = _ref6.langData;
-
                 setLang(langParam, langData);
-
                 _context4.prev = 6;
                 _context4.next = 9;
-                return Promise.all(curConfig.extensions.map(function () {
-                  var _ref7 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee3(extname) {
-                    var extName, url, imported, _imported$name, _name2, init$$1, importLocale;
+                return Promise.all(curConfig.extensions.map(
+                /*#__PURE__*/
+                function () {
+                  var _ref7 = _asyncToGenerator(
+                  /*#__PURE__*/
+                  regeneratorRuntime.mark(function _callee3(extname) {
+                    var extName, url, imported, _imported$name, name, init$$1, importLocale;
 
                     return regeneratorRuntime.wrap(function _callee3$(_context3) {
                       while (1) {
@@ -25712,12 +28380,12 @@
                               break;
                             }
 
-                            return _context3.abrupt('return');
+                            return _context3.abrupt("return");
 
                           case 3:
-                            url = curConfig.extPath + extname;
-                            // Todo: Replace this with `return import(url);` when
+                            url = curConfig.extPath + extname; // Todo: Replace this with `return import(url);` when
                             //   `import()` widely supported
+
                             /**
                              * @tutorial ExtensionDocs
                              * @typedef {PlainObject} module:SVGEditor.ExtensionObject
@@ -25733,26 +28401,28 @@
 
                           case 7:
                             imported = _context3.sent;
-                            _imported$name = imported.name, _name2 = _imported$name === undefined ? extName[1] : _imported$name, init$$1 = imported.init;
-                            importLocale = getImportLocale({ defaultLang: langParam, defaultName: _name2 });
-                            return _context3.abrupt('return', editor.addExtension(_name2, init$$1 && init$$1.bind(editor), importLocale));
+                            _imported$name = imported.name, name = _imported$name === void 0 ? extName[1] : _imported$name, init$$1 = imported.init;
+                            importLocale = getImportLocale({
+                              defaultLang: langParam,
+                              defaultName: name
+                            });
+                            return _context3.abrupt("return", editor.addExtension(name, init$$1 && init$$1.bind(editor), importLocale));
 
                           case 13:
                             _context3.prev = 13;
-                            _context3.t0 = _context3['catch'](4);
-
+                            _context3.t0 = _context3["catch"](4);
                             console.log(_context3.t0);
                             console.error('Extension failed to load: ' + extname + '; ' + _context3.t0);
 
                           case 17:
-                          case 'end':
+                          case "end":
                             return _context3.stop();
                         }
                       }
-                    }, _callee3, _this, [[4, 13]]);
+                    }, _callee3, this, [[4, 13]]);
                   }));
 
-                  return function (_x3) {
+                  return function (_x2) {
                     return _ref7.apply(this, arguments);
                   };
                 }()));
@@ -25768,7 +28438,6 @@
                 function (win, data) {
                   extensionsAdded = true;
                   Actions.setAll();
-
                   $$b('.flyout_arrow_horiz:empty').each(function () {
                     $$b(this).append($$b.getSvgIcon('arrow_right', true).width(5).height(5));
                   });
@@ -25788,12 +28457,11 @@
 
               case 13:
                 _context4.prev = 13;
-                _context4.t0 = _context4['catch'](6);
-
+                _context4.t0 = _context4["catch"](6);
                 console.log(_context4.t0);
 
               case 16:
-              case 'end':
+              case "end":
                 return _context4.stop();
             }
           }
@@ -25805,7 +28473,9 @@
       };
     }();
 
-    var stateObj = { tool_scale: editor.tool_scale };
+    var stateObj = {
+      tool_scale: editor.tool_scale
+    };
 
     var setFlyoutPositions = function setFlyoutPositions() {
       $$b('.tools_flyout').each(function () {
@@ -25816,24 +28486,30 @@
             top = _shower$offset.top;
 
         var w = shower.outerWidth();
-        $$b(this).css({ left: (left + w) * editor.tool_scale, top: top });
+        $$b(this).css({
+          left: (left + w) * editor.tool_scale,
+          top: top
+        });
       });
     };
 
     var uaPrefix = function () {
       var regex = /^(Moz|Webkit|Khtml|O|ms|Icab)(?=[A-Z])/;
       var someScript = document.getElementsByTagName('script')[0];
+
       for (var prop in someScript.style) {
         if (regex.test(prop)) {
           // test is faster than match, so it's better to perform
           // that on the lot and match only when necessary
           return prop.match(regex)[0];
         }
-      }
-      // Nothing found so far?
+      } // Nothing found so far?
+
+
       if ('WebkitOpacity' in someScript.style) {
         return 'Webkit';
       }
+
       if ('KhtmlOpacity' in someScript.style) {
         return 'Khtml';
       }
@@ -25844,59 +28520,62 @@
     var scaleElements = function scaleElements(elems, scale) {
       // const prefix = '-' + uaPrefix.toLowerCase() + '-'; // Currently unused
       var sides = ['top', 'left', 'bottom', 'right'];
-
       elems.each(function () {
         // Handled in CSS
         // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';
         var el = $$b(this);
         var w = el.outerWidth() * (scale - 1);
-        var h = el.outerHeight() * (scale - 1);
-        // const margins = {}; // Currently unused
+        var h = el.outerHeight() * (scale - 1); // const margins = {}; // Currently unused
 
         for (var i = 0; i < 4; i++) {
           var s = sides[i];
           var cur = el.data('orig_margin-' + s);
+
           if (cur == null) {
-            cur = parseInt(el.css('margin-' + s), 10);
-            // Cache the original margin
+            cur = parseInt(el.css('margin-' + s), 10); // Cache the original margin
+
             el.data('orig_margin-' + s, cur);
           }
+
           var val = cur * scale;
+
           if (s === 'right') {
             val += w;
           } else if (s === 'bottom') {
             val += h;
           }
 
-          el.css('margin-' + s, val);
-          // el.css('outline', '1px solid red');
+          el.css('margin-' + s, val); // el.css('outline', '1px solid red');
         }
       });
     };
-
     /**
     * Called internally.
     * @param {module:SVGEditor.IconSize} size
     * @returns {undefined}
     */
+
+
     var setIconSize = editor.setIconSize = function (size) {
       // const elems = $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open');
       var selToscale = '#tools_top .toolset, #editor_panel > *, #history_panel > *,' + '        #main_button, #tools_left > *, #path_node_panel > *, #multiselected_panel > *,' + '        #g_panel > *, #tool_font_size > *, .tools_flyout';
-
       var elems = $$b(selToscale);
-
       var scale = 1;
+
       if (typeof size === 'number') {
         scale = size;
       } else {
-        var iconSizes = { s: 0.75, m: 1, l: 1.25, xl: 1.5 };
+        var iconSizes = {
+          s: 0.75,
+          m: 1,
+          l: 1.25,
+          xl: 1.5
+        };
         scale = iconSizes[size];
       }
 
       stateObj.tool_scale = editor.tool_scale = scale;
-
-      setFlyoutPositions();
-      // $('.tools_flyout').each(function () {
+      setFlyoutPositions(); // $('.tools_flyout').each(function () {
       //   const pos = $(this).position();
       //   console.log($(this), pos.left+(34 * scale));
       //   $(this).css({left: pos.left+(34 * scale), top: pos.top+(77 * scale)});
@@ -25908,13 +28587,10 @@
       var hiddenPs = elems.parents(':hidden');
       hiddenPs.css('visibility', 'hidden').show();
       scaleElements(elems, scale);
-      hiddenPs.css('visibility', 'visible').hide();
-      // return;
+      hiddenPs.css('visibility', 'visible').hide(); // return;
 
       $$b.pref('iconsize', size);
-      $$b('#iconsize').val(size);
-
-      // Change icon size
+      $$b('#iconsize').val(size); // Change icon size
       // $('.tool_button, .push_button, .tool_button_current, .disabled, .icon_label, #url_notice, #tool_open')
       // .find('> svg, > img').each(function () {
       //   this.setAttribute('width',size_num);
@@ -25929,8 +28605,8 @@
       // if (size != 's') {
       //   $.resizeSvgIcons({'#layerbuttons svg, #layerbuttons img': size_num * .6});
       // }
-
       // Note that all rules will be prefixed with '#svg_editor' when parsed
+
       var cssResizeRules = {
         // '.tool_button,\
         // .push_button,\
@@ -25961,8 +28637,7 @@
         },
         'div#workarea': {
           left: 38,
-          top: 74
-          // '#tools_bottom': {
+          top: 74 // '#tools_bottom': {
           //   left: {s: '27px', l: '46px', xl: '65px'},
           //   height: {s: '58px', l: '98px', xl: '145px'}
           // },
@@ -26044,9 +28719,11 @@
           // '#position_opts': {
           //   width: {all: (size_num*4) +'px'}
           // }
-        } };
 
+        }
+      };
       var ruleElem = $$b('#tool_size_rules');
+
       if (!ruleElem.length) {
         ruleElem = $$b('<style id="tool_size_rules"></style>').appendTo('head');
       } else {
@@ -26059,17 +28736,19 @@
           selector = '#svg_editor ' + selector.replace(/,/g, ', #svg_editor');
           styleStr += selector + '{';
           $$b.each(rules, function (prop, values) {
-            var val = void 0;
+            var val;
+
             if (typeof values === 'number') {
               val = values * scale + 'px';
             } else if (values[size] || values.all) {
               val = values[size] || values.all;
             }
+
             styleStr += prop + ':' + val + ';';
           });
           styleStr += '}';
-        });
-        // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';
+        }); // this.style[uaPrefix + 'Transform'] = 'scale(' + scale + ')';
+
         var prefix = '-' + uaPrefix.toLowerCase() + '-';
         styleStr += selToscale + '{' + prefix + 'transform: scale(' + scale + ');}' + ' #svg_editor div.toolset .toolset {' + prefix + 'transform: scale(1); margin: 1px !important;}' + // Hack for markers
         ' #svg_editor .ui-slider {' + prefix + 'transform: scale(' + 1 / scale + ');}' // Hack for sliders
@@ -26079,17 +28758,18 @@
 
       setFlyoutPositions();
     };
+
     $$b.svgIcons(curConfig.imgPath + 'svg_edit_icons.svg', {
-      w: 24, h: 24,
+      w: 24,
+      h: 24,
       id_match: false,
-      no_img: !isWebkit(), // Opera & Firefox 4 gives odd behavior w/images
+      no_img: !isWebkit(),
+      // Opera & Firefox 4 gives odd behavior w/images
       fallback_path: curConfig.imgPath,
       fallback: {
         logo: 'logo.png',
-
         select: 'select.png',
         select_node: 'select_node.png',
-
         square: 'square.png',
         rect: 'rect.png',
         fh_rect: 'freehand-square.png',
@@ -26103,17 +28783,14 @@
         add_subpath: 'add_subpath.png',
         close_path: 'closepath.png',
         open_path: 'openpath.png',
-
         image: 'image.png',
         zoom: 'zoom.png',
-
         arrow_right: 'flyouth.png',
         arrow_right_big: 'arrow_right_big.png',
         arrow_down: 'dropdown.gif',
         fill: 'fill.png',
         stroke: 'stroke.png',
         opacity: 'opacity.png',
-
         new_image: 'clear.png',
         save: 'save.png',
         export: 'export.png',
@@ -26122,10 +28799,8 @@
         docprops: 'document-properties.png',
         source: 'source.png',
         wireframe: 'wireframe.png',
-
         undo: 'undo.png',
         redo: 'redo.png',
-
         clone: 'clone.png',
         delete: 'delete.png',
         go_up: 'go-up.png',
@@ -26137,7 +28812,6 @@
         link_controls: 'link_controls.png',
         reorient: 'reorient.png',
         group_elements: 'shape_group_elements.png',
-
         ungroup: 'shape_ungroup.png',
         unlink_use: 'unlink_use.png',
         width: 'width.png',
@@ -26147,14 +28821,12 @@
         blur: 'blur.png',
         fontsize: 'fontsize.png',
         align: 'align.png',
-
         align_left: 'align-left.png',
         align_center: 'align-center.png',
         align_right: 'align-right.png',
         align_top: 'align-top.png',
         align_middle: 'align-middle.png',
         align_bottom: 'align-bottom.png',
-
         linecap_butt: 'linecap_butt.png',
         linecap_square: 'linecap_square.png',
         linecap_round: 'linecap_round.png',
@@ -26163,19 +28835,15 @@
         linejoin_round: 'linejoin_round.png',
         eye: 'eye.png',
         no_color: 'no_color.png',
-
         ok: 'save.png',
         cancel: 'cancel.png',
         warning: 'warning.png',
-
         node_delete: 'node_delete.png',
         node_clone: 'node_clone.png',
-
         globe_link: 'globe_link.png'
       },
       placement: {
         '#logo': 'logo',
-
         '#tool_clear div,#layer_new': 'new_image',
         '#tool_save div': 'save',
         '#tool_export div': 'export',
@@ -26184,10 +28852,8 @@
         '#tool_source': 'source',
         '#tool_docprops > div': 'docprops',
         '#tool_wireframe': 'wireframe',
-
         '#tool_undo': 'undo',
         '#tool_redo': 'redo',
-
         '#tool_select': 'select',
         '#tool_fhpath': 'pencil',
         '#tool_line': 'pen',
@@ -26201,7 +28867,6 @@
         '#tool_text,#layer_rename': 'text',
         '#tool_image': 'image',
         '#tool_zoom': 'zoom',
-
         '#tool_clone,#tool_clone_multi': 'clone',
         '#tool_node_clone': 'node_clone',
         '#layer_delete,#tool_delete,#tool_delete_multi': 'delete',
@@ -26216,7 +28881,6 @@
         '#tool_group_elements': 'group_elements',
         '#tool_ungroup': 'ungroup',
         '#tool_unlink_use': 'unlink_use',
-
         '#tool_alignleft, #tool_posleft': 'align_left',
         '#tool_aligncenter, #tool_poscenter': 'align_center',
         '#tool_alignright, #tool_posright': 'align_right',
@@ -26224,25 +28888,19 @@
         '#tool_alignmiddle, #tool_posmiddle': 'align_middle',
         '#tool_alignbottom, #tool_posbottom': 'align_bottom',
         '#cur_position': 'align',
-
         '#linecap_butt,#cur_linecap': 'linecap_butt',
         '#linecap_round': 'linecap_round',
         '#linecap_square': 'linecap_square',
-
         '#linejoin_miter,#cur_linejoin': 'linejoin_miter',
         '#linejoin_round': 'linejoin_round',
         '#linejoin_bevel': 'linejoin_bevel',
-
         '#url_notice': 'warning',
-
         '#layer_up': 'go_up',
         '#layer_down': 'go_down',
         '#layer_moreopts': 'context_menu',
         '#layerlist td.layervis': 'eye',
-
         '#tool_source_save,#tool_docprops_save,#tool_prefs_save': 'ok',
         '#tool_source_cancel,#tool_docprops_cancel,#tool_prefs_cancel': 'cancel',
-
         '#rwidthLabel, #iwidthLabel': 'width',
         '#rheightLabel, #iheightLabel': 'height',
         '#cornerRadiusLabel span': 'c_radius',
@@ -26254,7 +28912,6 @@
         '#group_opacityLabel': 'opacity',
         '#blurLabel': 'blur',
         '#font_sizeLabel': 'fontsize',
-
         '.flyout_arrow_horiz': 'arrow_right',
         '.dropdown button, #main_button .dropdown': 'arrow_down',
         '#palette .palette_item:first, #fill_bg, #stroke_bg': 'no_color'
@@ -26275,26 +28932,26 @@
         $$b('.toolbar_button button > svg, .toolbar_button button > img').each(function () {
           $$b(this).parent().prepend(this);
         });
-
         var tleft = $$b('#tools_left');
+        var minHeight;
 
-        var minHeight = void 0;
         if (tleft.length) {
           minHeight = tleft.offset().top + tleft.outerHeight();
         }
 
         var size = $$b.pref('iconsize');
-        editor.setIconSize(size || ($$b(window).height() < minHeight ? 's' : 'm'));
+        editor.setIconSize(size || ($$b(window).height() < minHeight ? 's' : 'm')); // Look for any missing flyout icons from plugins
 
-        // Look for any missing flyout icons from plugins
         $$b('.tools_flyout').each(function () {
           var shower = $$b('#' + this.id + '_show');
-          var sel = shower.attr('data-curopt');
-          // Check if there's an icon here
+          var sel = shower.attr('data-curopt'); // Check if there's an icon here
+
           if (!shower.children('svg, img').length) {
             var clone = $$b(sel).children().clone();
+
             if (clone.length) {
               clone[0].removeAttribute('style'); // Needed for Opera
+
               shower.append(clone);
             }
           }
@@ -26304,55 +28961,68 @@
           switch (stylesheet) {
             case 'jgraduate/css/jPicker.css':
               return 1;
+
             case 'jgraduate/css/jGraduate.css':
               return 2;
+
             case 'svg-editor.css':
               return 3;
+
             case 'spinbtn/jQuery.SpinButton.css':
               return 4;
+
             default:
               return Infinity;
           }
         }
+
         var stylesheets = $$b.loadingStylesheets.sort(function (a, b) {
           var priorityA = getStylesheetPriority(a);
           var priorityB = getStylesheetPriority(b);
+
           if (priorityA === priorityB) {
             return 0;
           }
+
           return priorityA > priorityB;
         });
+
         if (curConfig.stylesheets.length) {
           // Ensure a copy with unique items
-          stylesheets = [].concat(toConsumableArray(new Set(curConfig.stylesheets)));
+          stylesheets = _toConsumableArray(new Set(curConfig.stylesheets));
           var idx = stylesheets.indexOf('@default');
+
           if (idx > -1) {
             var _stylesheets;
 
-            (_stylesheets = stylesheets).splice.apply(_stylesheets, [idx, 1].concat(toConsumableArray($$b.loadingStylesheets)));
+            (_stylesheets = stylesheets).splice.apply(_stylesheets, [idx, 1].concat(_toConsumableArray($$b.loadingStylesheets)));
           }
         }
-        loadStylesheets(stylesheets, { acceptErrors: function acceptErrors(_ref8) {
+
+        loadStylesheets(stylesheets, {
+          acceptErrors: function acceptErrors(_ref8) {
             var stylesheetURL = _ref8.stylesheetURL,
                 reject = _ref8.reject,
                 resolve = _ref8.resolve;
 
             if ($$b.loadingStylesheets.includes(stylesheetURL)) {
-              reject(new Error('Missing expected stylesheet: ' + stylesheetURL));
+              reject(new Error("Missing expected stylesheet: ".concat(stylesheetURL)));
               return;
             }
+
             resolve();
-          } }).then(function () {
+          }
+        }).then(function () {
           $$b('#svg_container')[0].style.visibility = 'visible';
           editor.runCallbacks();
         });
       }
     });
-
     /**
     * @name module:SVGEditor.canvas
     * @type {module:svgcanvas.SvgCanvas}
     */
+
     editor.canvas = svgCanvas = new SvgCanvas(document.getElementById('svgcanvas'), curConfig);
     var palette = [// Todo: Make into configuration item?
     '#000000', '#3f3f3f', '#7f7f7f', '#bfbfbf', '#ffffff', '#ff0000', '#ff7f00', '#ffff00', '#7fff00', '#00ff00', '#00ff7f', '#00ffff', '#007fff', '#0000ff', '#7f00ff', '#ff00ff', '#ff007f', '#7f0000', '#7f3f00', '#7f7f00', '#3f7f00', '#007f00', '#007f3f', '#007f7f', '#003f7f', '#00007f', '#3f007f', '#7f007f', '#7f003f', '#ffaaaa', '#ffd4aa', '#ffffaa', '#d4ffaa', '#aaffaa', '#aaffd4', '#aaffff', '#aad4ff', '#aaaaff', '#d4aaff', '#ffaaff', '#ffaad4'],
@@ -26362,21 +29032,21 @@
         undoMgr = _svgCanvas.undoMgr,
         workarea = $$b('#workarea'),
         canvMenu = $$b('#cmenu_canvas'),
-        paintBox = { fill: null, stroke: null };
-
-
-    var resizeTimer = void 0,
-        curScrollPos = void 0;
+        paintBox = {
+      fill: null,
+      stroke: null
+    };
+    var resizeTimer, curScrollPos;
     var exportWindow = null,
         defaultImageURL = curConfig.imgPath + 'logo.png',
         zoomInIcon = 'crosshair',
         zoomOutIcon = 'crosshair',
-        uiContext = 'toolbars';
+        uiContext = 'toolbars'; // For external openers
 
-    // For external openers
     (function () {
       // let the opener know SVG Edit is ready (now that config is set up)
       var w = window.opener || window.parent;
+
       if (w) {
         try {
           /**
@@ -26387,6 +29057,7 @@
            * @property {true} bubbles
            * @property {true} cancelable
            */
+
           /**
            * @name module:SVGEditor.svgEditorReadyEvent
            * @type {module:SVGEditor#event:svgEditorReadyEvent}
@@ -26398,38 +29069,39 @@
           w.document.documentElement.dispatchEvent(svgEditorReadyEvent);
         } catch (e) {}
       }
-    })();
-
-    // This sets up alternative dialog boxes. They mostly work the same way as
+    })(); // This sets up alternative dialog boxes. They mostly work the same way as
     // their UI counterparts, expect instead of returning the result, a callback
     // needs to be included that returns the result as its first parameter.
     // In the future we may want to add additional types of dialog boxes, since
     // they should be easy to handle this way.
+
+
     (function () {
       $$b('#dialog_container').draggable({
         cancel: '#dialog_content, #dialog_buttons *',
         containment: 'window'
       }).css('position', 'absolute');
+
       var box = $$b('#dialog_box'),
           btnHolder = $$b('#dialog_buttons'),
           dialogContent = $$b('#dialog_content'),
           dbox = function dbox(type, msg, callback, defaultVal, opts, changeCb, checkbox) {
         dialogContent.html('<p>' + msg.replace(/\n/g, '</p><p>') + '</p>').toggleClass('prompt', type === 'prompt');
         btnHolder.empty();
-
         var ok = $$b('<input type="button" value="' + uiStrings$1.common.ok + '">').appendTo(btnHolder);
 
         if (type !== 'alert') {
           $$b('<input type="button" value="' + uiStrings$1.common.cancel + '">').appendTo(btnHolder).click(function () {
             box.hide();
+
             if (callback) {
               callback(false); // eslint-disable-line standard/no-callback-literal
             }
           });
         }
 
-        var ctrl = void 0,
-            chkbx = void 0;
+        var ctrl, chkbx;
+
         if (type === 'prompt') {
           ctrl = $$b('<input type="text">').prependTo(btnHolder);
           ctrl.val(defaultVal || '');
@@ -26439,30 +29111,37 @@
         } else if (type === 'select') {
           var div = $$b('<div style="text-align:center;">');
           ctrl = $$b('<select>').appendTo(div);
+
           if (checkbox) {
             var label = $$b('<label>').text(checkbox.label);
             chkbx = $$b('<input type="checkbox">').appendTo(label);
             chkbx.val(checkbox.value);
+
             if (checkbox.tooltip) {
               label.attr('title', checkbox.tooltip);
             }
+
             chkbx.prop('checked', !!checkbox.checked);
             div.append($$b('<div>').append(label));
           }
+
           $$b.each(opts || [], function (opt, val) {
-            if ((typeof val === 'undefined' ? 'undefined' : _typeof(val)) === 'object') {
+            if (_typeof(val) === 'object') {
               ctrl.append($$b('<option>').val(val.value).html(val.text));
             } else {
               ctrl.append($$b('<option>').html(val));
             }
           });
           dialogContent.append(div);
+
           if (defaultVal) {
             ctrl.val(defaultVal);
           }
+
           if (changeCb) {
             ctrl.bind('change', 'return', changeCb);
           }
+
           ctrl.bind('keydown', 'return', function () {
             ok.click();
           });
@@ -26471,10 +29150,10 @@
         }
 
         box.show();
-
         ok.click(function () {
           box.hide();
           var resp = type === 'prompt' || type === 'select' ? ctrl.val() : true;
+
           if (callback) {
             if (chkbx) {
               callback(resp, chkbx.prop('checked'));
@@ -26492,15 +29171,19 @@
       $$b.alert = function (msg, cb) {
         dbox('alert', msg, cb);
       };
+
       $$b.confirm = function (msg, cb) {
         dbox('confirm', msg, cb);
       };
+
       $$b.process_cancel = function (msg, cb) {
         dbox('process', msg, cb);
       };
+
       $$b.prompt = function (msg, txt, cb) {
         dbox('prompt', msg, cb, txt);
       };
+
       $$b.select = function (msg, opts, cb, changeCb, txt, checkbox) {
         dbox('select', msg, cb, txt, opts, changeCb, checkbox);
       };
@@ -26508,33 +29191,37 @@
 
     var setSelectMode = function setSelectMode() {
       var curr = $$b('.tool_button_current');
+
       if (curr.length && curr[0].id !== 'tool_select') {
         curr.removeClass('tool_button_current').addClass('tool_button');
         $$b('#tool_select').addClass('tool_button_current').removeClass('tool_button');
         $$b('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all} #svgcanvas svg{cursor:default}');
       }
+
       svgCanvas.setMode('select');
       workarea.css('cursor', 'auto');
-    };
-
-    // used to make the flyouts stay on the screen longer the very first time
+    }; // used to make the flyouts stay on the screen longer the very first time
     // const flyoutspeed = 1250; // Currently unused
     // let textBeingEntered = false; // Currently unused
-    var origTitle = $$b('title:first').text();
-    // Make [1,2,5] array
+
+
+    var origTitle = $$b('title:first').text(); // Make [1,2,5] array
+
     var rIntervals = [];
+
     for (var i = 0.1; i < 1E5; i *= 10) {
       rIntervals.push(i);
       rIntervals.push(2 * i);
       rIntervals.push(5 * i);
-    }
-
-    // This function highlights the layer passed in (by fading out the other layers)
+    } // This function highlights the layer passed in (by fading out the other layers)
     // if no layer is passed in, this function restores the other layers
+
+
     var toggleHighlightLayer = function toggleHighlightLayer(layerNameToHighlight) {
-      var i = void 0;
+      var i;
       var curNames = [],
           numLayers = svgCanvas.getCurrentDrawing().getNumLayers();
+
       for (i = 0; i < numLayers; i++) {
         curNames[i] = svgCanvas.getCurrentDrawing().getLayerName(i);
       }
@@ -26559,22 +29246,26 @@
       var drawing = svgCanvas.getCurrentDrawing();
       var currentLayerName = drawing.getCurrentLayerName();
       var icon = $$b.getSvgIcon('eye');
-      var layer = svgCanvas.getCurrentDrawing().getNumLayers();
-      // we get the layers in the reverse z-order (the layer rendered on top is listed first)
+      var layer = svgCanvas.getCurrentDrawing().getNumLayers(); // we get the layers in the reverse z-order (the layer rendered on top is listed first)
+
       while (layer--) {
-        var _name3 = drawing.getLayerName(layer);
-        var layerTr = $$b('<tr class="layer">').toggleClass('layersel', _name3 === currentLayerName);
-        var layerVis = $$b('<td class="layervis">').toggleClass('layerinvis', !drawing.getLayerVisibility(_name3));
-        var layerName = $$b('<td class="layername">' + _name3 + '</td>');
+        var name = drawing.getLayerName(layer);
+        var layerTr = $$b('<tr class="layer">').toggleClass('layersel', name === currentLayerName);
+        var layerVis = $$b('<td class="layervis">').toggleClass('layerinvis', !drawing.getLayerVisibility(name));
+        var layerName = $$b('<td class="layername">' + name + '</td>');
         layerlist.append(layerTr.append(layerVis, layerName));
-        selLayerNames.append('<option value="' + _name3 + '">' + _name3 + '</option>');
+        selLayerNames.append('<option value="' + name + '">' + name + '</option>');
       }
+
       if (icon !== undefined) {
         var copy = icon.clone();
         $$b('td.layervis', layerlist).append(copy);
-        $$b.resizeSvgIcons({ 'td.layervis .svg_icon': 14 });
-      }
-      // handle selection of layer
+        $$b.resizeSvgIcons({
+          'td.layervis .svg_icon': 14
+        });
+      } // handle selection of layer
+
+
       $$b('#layerlist td.layername').mouseup(function (evt) {
         $$b('#layerlist tr.layer').removeClass('layersel');
         $$b(this.parentNode).addClass('layersel');
@@ -26591,10 +29282,10 @@
         var vis = $$b(this).hasClass('layerinvis');
         svgCanvas.setLayerVisibility(name, vis);
         $$b(this).toggleClass('layerinvis');
-      });
+      }); // if there were too few rows, let's add a few to make it not so lonely
 
-      // if there were too few rows, let's add a few to make it not so lonely
       var num = 5 - $$b('#layerlist tr.layer').size();
+
       while (num-- > 0) {
         // FIXME: there must a better way to do this
         layerlist.append('<tr><td style="color:white">_</td><td/></tr>');
@@ -26603,6 +29294,7 @@
 
     var editingsource = false;
     var origSource = '';
+
     var showSourceEditor = function showSourceEditor(e, forSaving) {
       if (editingsource) {
         return;
@@ -26623,12 +29315,14 @@
     var togglePathEditMode = function togglePathEditMode(editmode, elems) {
       $$b('#path_node_panel').toggle(editmode);
       $$b('#tools_bottom_2,#tools_bottom_3').toggle(!editmode);
+
       if (editmode) {
         // Change select icon
         $$b('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
         $$b('#tool_select').addClass('tool_button_current').removeClass('tool_button');
         setIcon('#tool_select', 'select_node');
         multiselected = false;
+
         if (elems.length) {
           selectedElement = elems[0];
         }
@@ -26638,7 +29332,6 @@
         }, 1000);
       }
     };
-
     /**
      * @type {module:svgcanvas.EventHandler}
      * @param {external:Window} wind
@@ -26646,34 +29339,33 @@
      * @listens module:svgcanvas.SvgCanvas#event:saved
      * @returns {undefined}
      */
+
+
     var saveHandler = function saveHandler(wind, svg) {
-      editor.showSaveWarning = false;
-
-      // by default, we add the XML prolog back, systems integrating SVG-edit (wikis, CMSs)
+      editor.showSaveWarning = false; // by default, we add the XML prolog back, systems integrating SVG-edit (wikis, CMSs)
       // can just provide their own custom save handler and might not want the XML prolog
-      svg = '<?xml version="1.0"?>\n' + svg;
 
-      // IE9 doesn't allow standalone Data URLs
+      svg = '<?xml version="1.0"?>\n' + svg; // IE9 doesn't allow standalone Data URLs
       // https://connect.microsoft.com/IE/feedback/details/542600/data-uri-images-fail-when-loaded-by-themselves
+
       if (isIE()) {
         showSourceEditor(0, true);
         return;
-      }
-
-      // Since saving SVGs by opening a new window was removed in Chrome use artificial link-click
+      } // Since saving SVGs by opening a new window was removed in Chrome use artificial link-click
       // https://stackoverflow.com/questions/45603201/window-is-not-allowed-to-navigate-top-frame-navigations-to-data-urls
+
+
       var a = document.createElement('a');
       a.href = 'data:image/svg+xml;base64,' + encode64(svg);
       a.download = 'icon.svg';
-
-      a.click();
-
-      // Alert will only appear the first time saved OR the
+      a.click(); // Alert will only appear the first time saved OR the
       //   first time the bug is encountered
+
       var done = $$b.pref('save_notice_done');
+
       if (done !== 'all') {
-        var note = uiStrings$1.notification.saveFromBrowser.replace('%s', 'SVG');
-        // Check if FF and has <defs/>
+        var note = uiStrings$1.notification.saveFromBrowser.replace('%s', 'SVG'); // Check if FF and has <defs/>
+
         if (isGecko()) {
           if (svg.includes('<defs')) {
             // warning about Mozilla bug #308590 when applicable (seems to be fixed now in Feb 2013)
@@ -26686,23 +29378,24 @@
         } else {
           $$b.pref('save_notice_done', 'all');
         }
+
         if (done !== 'part') {
           alert(note);
         }
       }
     };
-
     /**
      * @param {external:Window} win
      * @param {module:svgcanvas.SvgCanvas#event:exported} data
      * @listens module:svgcanvas.SvgCanvas#event:exported
      * @returns {undefined}
      */
+
+
     var exportHandler = function exportHandler(win, data) {
       var issues = data.issues,
           exportWindowName = data.exportWindowName;
 
-
       if (exportWindowName) {
         exportWindow = window.open(blankPageObjectURL || '', exportWindowName); // A hack to get the window via JSON-able name without opening a new one
       }
@@ -26714,17 +29407,17 @@
 
       exportWindow.location.href = data.bloburl || data.datauri;
       var done = $$b.pref('export_notice_done');
+
       if (done !== 'all') {
-        var note = uiStrings$1.notification.saveFromBrowser.replace('%s', data.type);
+        var note = uiStrings$1.notification.saveFromBrowser.replace('%s', data.type); // Check if there are issues
 
-        // Check if there are issues
         if (issues.length) {
-          var pre = '\n \u2022 ';
+          var pre = "\n \u2022 ";
           note += '\n\n' + uiStrings$1.notification.noteTheseIssues + pre + issues.join(pre);
-        }
-
-        // Note that this will also prevent the notice even though new issues may appear later.
+        } // Note that this will also prevent the notice even though new issues may appear later.
         // May want to find a way to deal with that without annoying the user
+
+
         $$b.pref('export_notice_done', 'all');
         exportWindow.alert(note);
       }
@@ -26735,12 +29428,12 @@
       if (!window.opera) {
         return;
       }
+
       $$b('<p/>').hide().appendTo('body').remove();
     };
 
     function setStrokeOpt(opt, changeElem) {
       var id = opt.id;
-
       var bits = id.split('_');
       var pre = bits[0];
       var val = bits[1];
@@ -26748,11 +29441,11 @@
       if (changeElem) {
         svgCanvas.setStrokeAttr('stroke-' + pre, val);
       }
+
       operaRepaint();
       setIcon('#cur_' + pre, id, 20);
       $$b(opt).addClass('current').siblings().removeClass('current');
     }
-
     /**
     * This is a common function used when a tool has been clicked (chosen)
     * It does several common things:
@@ -26764,47 +29457,56 @@
     * @param {boolean} noHiding Whether not to hide any flyouts
     * @returns {boolean} Whether the button was disabled or not
     */
+
+
     var toolButtonClick = editor.toolButtonClick = function (button, noHiding) {
       if ($$b(button).hasClass('disabled')) {
         return false;
       }
+
       if ($$b(button).parent().hasClass('tools_flyout')) {
         return true;
       }
+
       var fadeFlyouts = 'normal';
+
       if (!noHiding) {
         $$b('.tools_flyout').fadeOut(fadeFlyouts);
       }
+
       $$b('#styleoverrides').text('');
       workarea.css('cursor', 'auto');
       $$b('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
       $$b(button).addClass('tool_button_current').removeClass('tool_button');
       return true;
     };
-
     /**
     * Unless the select toolbar button is disabled, sets the button
     * and sets the select mode and cursor styles.
     * @function module:SVGEditor.clickSelect
     * @returns {undefined}
     */
+
+
     var clickSelect = editor.clickSelect = function () {
       if (toolButtonClick('#tool_select')) {
         svgCanvas.setMode('select');
         $$b('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all}, #svgcanvas svg{cursor:default}');
       }
     };
-
     /**
     * Set a selected image's URL
     * @function module:SVGEditor.setImageURL
     * @param {string} url
     * @returns {undefined}
     */
+
+
     var setImageURL = editor.setImageURL = function (url) {
       if (!url) {
         url = defaultImageURL;
       }
+
       svgCanvas.setImageURL(url);
       $$b('#image_url').val(url);
 
@@ -26827,16 +29529,15 @@
     function setBackground(color, url) {
       // if (color == $.pref('bkgd_color') && url == $.pref('bkgd_url')) { return; }
       $$b.pref('bkgd_color', color);
-      $$b.pref('bkgd_url', url);
+      $$b.pref('bkgd_url', url); // This should be done in svgcanvas.js for the borderRect fill
 
-      // This should be done in svgcanvas.js for the borderRect fill
       svgCanvas.setBackground(color, url);
     }
 
     function promptImgURL() {
       var _ref9 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
           _ref9$cancelDeletes = _ref9.cancelDeletes,
-          cancelDeletes = _ref9$cancelDeletes === undefined ? false : _ref9$cancelDeletes;
+          cancelDeletes = _ref9$cancelDeletes === void 0 ? false : _ref9$cancelDeletes;
 
       var curhref = svgCanvas.getHref(selectedElement);
       curhref = curhref.startsWith('data:') ? '' : curhref;
@@ -26858,33 +29559,29 @@
       if (!zoom) {
         zoom = svgCanvas.getZoom();
       }
+
       if (!scanvas) {
         scanvas = $$b('#svgcanvas');
       }
 
-      var d = void 0,
-          i = void 0;
+      var d, i;
       var limit = 30000;
       var contentElem = svgCanvas.getContentElem();
       var units = getTypeMap();
       var unit = units[curConfig.baseUnit]; // 1 = 1px
-
       // draw x ruler then y ruler
+
       for (d = 0; d < 2; d++) {
         var isX = d === 0;
         var dim = isX ? 'x' : 'y';
         var lentype = isX ? 'width' : 'height';
         var contentDim = Number(contentElem.getAttribute(dim));
+        var $hcanvOrig = $$b('#ruler_' + dim + ' canvas:first'); // Bit of a hack to fully clear the canvas in Safari & IE9
 
-        var $hcanvOrig = $$b('#ruler_' + dim + ' canvas:first');
-
-        // Bit of a hack to fully clear the canvas in Safari & IE9
         var $hcanv = $hcanvOrig.clone();
         $hcanvOrig.replaceWith($hcanv);
+        var hcanv = $hcanv[0]; // Set the canvas size to the width of the container
 
-        var hcanv = $hcanv[0];
-
-        // Set the canvas size to the width of the container
         var rulerLen = scanvas[lentype]();
         var totalLen = rulerLen;
         hcanv.parentNode.style[lentype] = totalLen + 'px';
@@ -26892,19 +29589,17 @@
         var ctxArr = void 0,
             num = void 0,
             ctxArrNum = void 0;
-
         ctx.fillStyle = 'rgb(200,0,0)';
-        ctx.fillRect(0, 0, hcanv.width, hcanv.height);
+        ctx.fillRect(0, 0, hcanv.width, hcanv.height); // Remove any existing canvasses
 
-        // Remove any existing canvasses
-        $hcanv.siblings().remove();
+        $hcanv.siblings().remove(); // Create multiple canvases when necessary (due to browser limits)
 
-        // Create multiple canvases when necessary (due to browser limits)
         if (rulerLen >= limit) {
           ctxArrNum = parseInt(rulerLen / limit, 10) + 1;
           ctxArr = [];
           ctxArr[0] = ctx;
           var copy = void 0;
+
           for (i = 1; i < ctxArrNum; i++) {
             hcanv[lentype] = limit;
             copy = hcanv.cloneNode(true);
@@ -26912,40 +29607,38 @@
             ctxArr[i] = copy.getContext('2d');
           }
 
-          copy[lentype] = rulerLen % limit;
+          copy[lentype] = rulerLen % limit; // set copy width to last
 
-          // set copy width to last
           rulerLen = limit;
         }
 
         hcanv[lentype] = rulerLen;
+        var uMulti = unit * zoom; // Calculate the main number interval
 
-        var uMulti = unit * zoom;
-
-        // Calculate the main number interval
         var rawM = 50 / uMulti;
         var multi = 1;
+
         for (i = 0; i < rIntervals.length; i++) {
           num = rIntervals[i];
           multi = num;
+
           if (rawM <= num) {
             break;
           }
         }
 
         var bigInt = multi * uMulti;
-
         ctx.font = '9px sans-serif';
-
         var rulerD = contentDim / uMulti % multi * uMulti;
-        var labelPos = rulerD - bigInt;
-        // draw big intervals
+        var labelPos = rulerD - bigInt; // draw big intervals
+
         var ctxNum = 0;
+
         while (rulerD < totalLen) {
-          labelPos += bigInt;
-          // const realD = rulerD - contentDim; // Currently unused
+          labelPos += bigInt; // const realD = rulerD - contentDim; // Currently unused
 
           var curD = Math.round(rulerD) + 0.5;
+
           if (isX) {
             ctx.moveTo(curD, 15);
             ctx.lineTo(curD, 0);
@@ -26956,14 +29649,15 @@
 
           num = (labelPos - contentDim) / uMulti;
           var label = void 0;
+
           if (multi >= 1) {
             label = Math.round(num);
           } else {
             var decs = String(multi).split('.')[1].length;
             label = num.toFixed(decs);
-          }
+          } // Change 1000s to Ks
+
 
-          // Change 1000s to Ks
           if (label !== 0 && label !== 1000 && label % 1000 === 0) {
             label = label / 1000 + 'K';
           }
@@ -26973,30 +29667,35 @@
           } else {
             // draw label vertically
             var _str = String(label).split('');
+
             for (i = 0; i < _str.length; i++) {
               ctx.fillText(_str[i], 1, rulerD + 9 + i * 9);
             }
           }
 
-          var part = bigInt / 10;
-          // draw the small intervals
+          var part = bigInt / 10; // draw the small intervals
+
           for (i = 1; i < 10; i++) {
             var subD = Math.round(rulerD + part * i) + 0.5;
+
             if (ctxArr && subD > rulerLen) {
               ctxNum++;
               ctx.stroke();
+
               if (ctxNum >= ctxArrNum) {
                 i = 10;
                 rulerD = totalLen;
                 continue;
               }
+
               ctx = ctxArr[ctxNum];
               rulerD -= limit;
               subD = Math.round(rulerD + part * i) + 0.5;
-            }
+            } // odd lines are slighly longer
+
 
-            // odd lines are slighly longer
             var lineNum = i % 2 ? 12 : 10;
+
             if (isX) {
               ctx.moveTo(subD, 15);
               ctx.lineTo(subD, lineNum);
@@ -27005,24 +29704,26 @@
               ctx.lineTo(lineNum, subD);
             }
           }
+
           rulerD += bigInt;
         }
+
         ctx.strokeStyle = '#000';
         ctx.stroke();
       }
     }
-
     /**
     * @function module:SVGEditor.updateCanvas
     * @param {boolean} center
     * @param {module:math.XYObject} newCtr
     * @returns {undefined}
     */
+
+
     var updateCanvas = editor.updateCanvas = function (center, newCtr) {
       var zoom = svgCanvas.getZoom();
       var wArea = workarea;
       var cnvs = $$b('#svgcanvas');
-
       var w = workarea.width(),
           h = workarea.height();
       var wOrig = w,
@@ -27047,19 +29748,15 @@
       var newCanY = h / 2;
       var newCanX = w / 2;
       var offset = svgCanvas.updateCanvas(w, h);
-
       var ratio = newCanX / oldCanX;
-
       var scrollX = w / 2 - wOrig / 2;
       var scrollY = h / 2 - hOrig / 2;
 
       if (!newCtr) {
         var oldDistX = oldCtr.x - oldCanX;
         var newX = newCanX + oldDistX * ratio;
-
         var oldDistY = oldCtr.y - oldCanY;
         var newY = newCanY + oldDistY * ratio;
-
         newCtr = {
           x: newX,
           y: newY
@@ -27084,32 +29781,37 @@
         wArea[0].scrollLeft = newCtr.x - wOrig / 2;
         wArea[0].scrollTop = newCtr.y - hOrig / 2;
       }
+
       if (curConfig.showRulers) {
         updateRulers(cnvs, zoom);
         workarea.scroll();
       }
+
       if (urldata.storagePrompt !== true && !editor.storagePromptClosed) {
         $$b('#dialog_box').hide();
       }
     };
-
     /**
      * @fires module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate
      * @returns {undefined}
      */
+
+
     var updateToolButtonState = function updateToolButtonState() {
-      var index = void 0,
-          button = void 0;
+      var index, button;
       var bNoFill = svgCanvas.getColor('fill') === 'none';
       var bNoStroke = svgCanvas.getColor('stroke') === 'none';
       var buttonsNeedingStroke = ['#tool_fhpath', '#tool_line'];
       var buttonsNeedingFillAndStroke = ['#tools_rect .tool_button', '#tools_ellipse .tool_button', '#tool_text', '#tool_path'];
+
       if (bNoStroke) {
         for (index in buttonsNeedingStroke) {
           button = buttonsNeedingStroke[index];
+
           if ($$b(button).hasClass('tool_button_current')) {
             clickSelect();
           }
+
           $$b(button).addClass('disabled');
         }
       } else {
@@ -27122,9 +29824,11 @@
       if (bNoStroke && bNoFill) {
         for (index in buttonsNeedingFillAndStroke) {
           button = buttonsNeedingFillAndStroke[index];
+
           if ($$b(button).hasClass('tool_button_current')) {
             clickSelect();
           }
+
           $$b(button).addClass('disabled');
         }
       } else {
@@ -27134,12 +29838,13 @@
         }
       }
 
-      svgCanvas.runExtensions('toolButtonStateUpdate', /** @type {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} */{
+      svgCanvas.runExtensions('toolButtonStateUpdate',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-toolButtonStateUpdate} */
+      {
         nofill: bNoFill,
         nostroke: bNoStroke
-      });
+      }); // Disable flyouts if all inside are disabled
 
-      // Disable flyouts if all inside are disabled
       $$b('.tools_flyout').each(function () {
         var shower = $$b('#' + this.id + '_show');
         var hasEnabled = false;
@@ -27150,26 +29855,27 @@
         });
         shower.toggleClass('disabled', !hasEnabled);
       });
-
       operaRepaint();
-    };
-
-    // Updates the toolbar (colors, opacity, etc) based on the selected element
+    }; // Updates the toolbar (colors, opacity, etc) based on the selected element
     // This function also updates the opacity and id elements that are in the context panel
+
+
     var updateToolbar = function updateToolbar() {
-      var i = void 0,
-          len = void 0;
+      var i, len;
+
       if (selectedElement != null) {
         switch (selectedElement.tagName) {
           case 'use':
           case 'image':
           case 'foreignObject':
             break;
+
           case 'g':
           case 'a':
             // Look for common styles
             var childs = selectedElement.getElementsByTagName('*');
             var gWidth = null;
+
             for (i = 0, len = childs.length; i < len; i++) {
               var swidth = childs[i].getAttribute('stroke-width');
 
@@ -27181,18 +29887,15 @@
             }
 
             $$b('#stroke_width').val(gWidth === null ? '' : gWidth);
-
             paintBox.fill.update(true);
             paintBox.stroke.update(true);
-
             break;
+
           default:
             paintBox.fill.update(true);
             paintBox.stroke.update(true);
-
             $$b('#stroke_width').val(selectedElement.getAttribute('stroke-width') || 1);
             $$b('#stroke_style').val(selectedElement.getAttribute('stroke-dasharray') || 'none');
-
             var attr = selectedElement.getAttribute('stroke-linejoin') || 'miter';
 
             if ($$b('#linejoin_' + attr).length) {
@@ -27204,10 +29907,11 @@
             if ($$b('#linecap_' + attr).length) {
               setStrokeOpt($$b('#linecap_' + attr)[0]);
             }
-        }
-      }
 
-      // All elements including image and group have opacity
+        }
+      } // All elements including image and group have opacity
+
+
       if (selectedElement != null) {
         var opacPerc = (selectedElement.getAttribute('opacity') || 1.0) * 100;
         $$b('#group_opacity').val(opacPerc);
@@ -27217,25 +29921,26 @@
       }
 
       updateToolButtonState();
-    };
+    }; // updates the context panel tools based on the selected element
+
 
-    // updates the context panel tools based on the selected element
     var updateContextPanel = function updateContextPanel() {
-      var elem = selectedElement;
-      // If element has just been deleted, consider it null
+      var elem = selectedElement; // If element has just been deleted, consider it null
+
       if (elem != null && !elem.parentNode) {
         elem = null;
       }
+
       var currentLayerName = svgCanvas.getCurrentDrawing().getCurrentLayerName();
       var currentMode = svgCanvas.getMode();
       var unit = curConfig.baseUnit !== 'px' ? curConfig.baseUnit : null;
-
       var isNode = currentMode === 'pathedit'; // elem ? (elem.id && elem.id.startsWith('pathpointgrip')) : false;
+
       var menuItems = $$b('#cmenu_canvas li');
       $$b('#selected_panel, #multiselected_panel, #g_panel, #rect_panel, #circle_panel,' + '#ellipse_panel, #line_panel, #text_panel, #image_panel, #container_panel,' + ' #use_panel, #a_panel').hide();
+
       if (elem != null) {
-        var elname = elem.nodeName;
-        // If this is a link with no transform and one child, pretend
+        var elname = elem.nodeName; // If this is a link with no transform and one child, pretend
         // its child is selected
         // if (elname === 'a') { // && !$(elem).attr('transform')) {
         //   elem = elem.firstChild;
@@ -27243,7 +29948,6 @@
 
         var angle = svgCanvas.getRotationAngle(elem);
         $$b('#angle').val(angle);
-
         var blurval = svgCanvas.getBlur(elem);
         $$b('#blur').val(blurval);
         $$b('#blur_slider').slider('option', 'value', blurval);
@@ -27252,26 +29956,28 @@
           if (elname === 'image' && svgCanvas.getMode() === 'image') {
             // Prompt for URL if not a data URL
             if (!svgCanvas.getHref(elem).startsWith('data:')) {
-              promptImgURL({ cancelDeletes: true });
+              promptImgURL({
+                cancelDeletes: true
+              });
             }
           }
           /* else if (elname == 'text') {
             // TODO: Do something here for new text
           } */
+
         }
 
         if (!isNode && currentMode !== 'pathedit') {
-          $$b('#selected_panel').show();
-          // Elements in this array already have coord fields
+          $$b('#selected_panel').show(); // Elements in this array already have coord fields
+
           if (['line', 'circle', 'ellipse'].includes(elname)) {
             $$b('#xy_panel').hide();
           } else {
-            var x = void 0,
-                y = void 0;
+            var x, y; // Get BBox vals for g, polyline and path
 
-            // Get BBox vals for g, polyline and path
             if (['g', 'polyline', 'path'].includes(elname)) {
               var bb = svgCanvas.getStrokedBBox([elem]);
+
               if (bb) {
                 x = bb.x;
                 y = bb.y;
@@ -27289,9 +29995,9 @@
             $$b('#selected_x').val(x || 0);
             $$b('#selected_y').val(y || 0);
             $$b('#xy_panel').show();
-          }
+          } // Elements in this array cannot be converted to a path
+
 
-          // Elements in this array cannot be converted to a path
           var noPath = !['image', 'text', 'path', 'g', 'use'].includes(elname);
           $$b('#tool_topath').toggle(noPath);
           $$b('#tool_reorient').toggle(elname === 'path');
@@ -27299,29 +30005,32 @@
         } else {
           var point = path.getNodePoint();
           $$b('#tool_add_subpath').removeClass('push_button_pressed').addClass('tool_button');
-          $$b('#tool_node_delete').toggleClass('disabled', !path.canDeleteNodes);
+          $$b('#tool_node_delete').toggleClass('disabled', !path.canDeleteNodes); // Show open/close button based on selected point
 
-          // Show open/close button based on selected point
           setIcon('#tool_openclose_path', path.closed_subpath ? 'open_path' : 'close_path');
 
           if (point) {
             var segType = $$b('#seg_type');
+
             if (unit) {
               point.x = convertUnit(point.x);
               point.y = convertUnit(point.y);
             }
+
             $$b('#path_node_x').val(point.x);
             $$b('#path_node_y').val(point.y);
+
             if (point.type) {
               segType.val(point.type).removeAttr('disabled');
             } else {
               segType.val(4).attr('disabled', 'disabled');
             }
           }
-          return;
-        }
 
-        // update contextual tools here
+          return;
+        } // update contextual tools here
+
+
         var panels = {
           g: [],
           a: [],
@@ -27333,15 +30042,13 @@
           text: [],
           use: []
         };
-
         var _elem = elem,
-            tagName = _elem.tagName;
-
-        // if ($(elem).data('gsvg')) {
+            tagName = _elem.tagName; // if ($(elem).data('gsvg')) {
         //   $('#g_panel').show();
         // }
 
         var linkHref = null;
+
         if (tagName === 'a') {
           linkHref = svgCanvas.getHref(elem);
           $$b('#g_panel').show();
@@ -27352,9 +30059,9 @@
             $$b('#a_panel').show();
             linkHref = svgCanvas.getHref(elem.parentNode);
           }
-        }
+        } // Hide/show the make_link buttons
+
 
-        // Hide/show the make_link buttons
         $$b('#tool_make_link, #tool_make_link').toggle(!linkHref);
 
         if (linkHref) {
@@ -27363,44 +30070,47 @@
 
         if (panels[tagName]) {
           var curPanel = panels[tagName];
-
           $$b('#' + tagName + '_panel').show();
-
           $$b.each(curPanel, function (i, item) {
             var attrVal = elem.getAttribute(item);
+
             if (curConfig.baseUnit !== 'px' && elem[item]) {
               var bv = elem[item].baseVal.value;
               attrVal = convertUnit(bv);
             }
+
             $$b('#' + tagName + '_' + item).val(attrVal || 0);
           });
 
           if (tagName === 'text') {
             $$b('#text_panel').css('display', 'inline');
             $$b('#tool_font_size').css('display', 'inline');
+
             if (svgCanvas.getItalic()) {
               $$b('#tool_italic').addClass('push_button_pressed').removeClass('tool_button');
             } else {
               $$b('#tool_italic').removeClass('push_button_pressed').addClass('tool_button');
             }
+
             if (svgCanvas.getBold()) {
               $$b('#tool_bold').addClass('push_button_pressed').removeClass('tool_button');
             } else {
               $$b('#tool_bold').removeClass('push_button_pressed').addClass('tool_button');
             }
+
             $$b('#font_family').val(elem.getAttribute('font-family'));
             $$b('#font_size').val(elem.getAttribute('font-size'));
             $$b('#text').val(elem.textContent);
+
             if (svgCanvas.addedNew) {
               // Timeout needed for IE9
               setTimeout(function () {
                 $$b('#text').focus().select();
               }, 100);
-            }
-            // text
+            } // text
+
           } else if (tagName === 'image' && svgCanvas.getMode() === 'image') {
-            setImageURL(svgCanvas.getHref(elem));
-            // image
+            setImageURL(svgCanvas.getHref(elem)); // image
           } else if (tagName === 'g' || tagName === 'use') {
             $$b('#container_panel').show();
             var title = svgCanvas.getTitle();
@@ -27410,27 +30120,25 @@
             $$b('#g_title').prop('disabled', tagName === 'use');
           }
         }
+
         menuItems[(tagName === 'g' ? 'en' : 'dis') + 'ableContextMenuItems']('#ungroup');
-        menuItems[(tagName === 'g' || !multiselected ? 'dis' : 'en') + 'ableContextMenuItems']('#group');
-        // if (elem != null)
+        menuItems[(tagName === 'g' || !multiselected ? 'dis' : 'en') + 'ableContextMenuItems']('#group'); // if (elem != null)
       } else if (multiselected) {
         $$b('#multiselected_panel').show();
         menuItems.enableContextMenuItems('#group').disableContextMenuItems('#ungroup');
       } else {
         menuItems.disableContextMenuItems('#delete,#cut,#copy,#group,#ungroup,#move_front,#move_up,#move_down,#move_back');
-      }
+      } // update history buttons
+
 
-      // update history buttons
       $$b('#tool_undo').toggleClass('disabled', undoMgr.getUndoStackSize() === 0);
       $$b('#tool_redo').toggleClass('disabled', undoMgr.getRedoStackSize() === 0);
-
       svgCanvas.addedNew = false;
 
       if (elem && !isNode || multiselected) {
         // update the selected elements' layer
-        $$b('#selLayerNames').removeAttr('disabled').val(currentLayerName);
+        $$b('#selLayerNames').removeAttr('disabled').val(currentLayerName); // Enable regular menu options
 
-        // Enable regular menu options
         canvMenu.enableContextMenuItems('#delete,#cut,#copy,#move_front,#move_up,#move_down,#move_back');
       } else {
         $$b('#selLayerNames').attr('disabled', 'disabled');
@@ -27451,16 +30159,14 @@
 
     var updateTitle = function updateTitle(title) {
       title = title || svgCanvas.getDocumentTitle();
-      var newTitle = origTitle + (title ? ': ' + title : '');
-
-      // Remove title update with current context info, isn't really necessary
+      var newTitle = origTitle + (title ? ': ' + title : ''); // Remove title update with current context info, isn't really necessary
       // if (curContext) {
       //   new_title = new_title + curContext;
       // }
-      $$b('title:first').text(newTitle);
-    };
 
-    // called when we've selected a different element
+      $$b('title:first').text(newTitle);
+    }; // called when we've selected a different element
+
     /**
     *
     * @param {external:Window} win
@@ -27469,37 +30175,43 @@
     * @fires module:svgcanvas.SvgCanvas#event:ext-selectedChanged
     * @returns {undefined}
     */
+
+
     var selectedChanged = function selectedChanged(win, elems) {
       var mode = svgCanvas.getMode();
+
       if (mode === 'select') {
         setSelectMode();
       }
-      var isNode = mode === 'pathedit';
-      // if elems[1] is present, then we have more than one element
+
+      var isNode = mode === 'pathedit'; // if elems[1] is present, then we have more than one element
+
       selectedElement = elems.length === 1 || elems[1] == null ? elems[0] : null;
       multiselected = elems.length >= 2 && elems[1] != null;
+
       if (selectedElement != null) {
         // unless we're already in always set the mode of the editor to select because
         // upon creation of a text element the editor is switched into
         // select mode and this event fires - we need our UI to be in sync
-
         if (!isNode) {
           updateToolbar();
         }
       } // if (elem != null)
-
       // Deal with pathedit mode
+
+
       togglePathEditMode(isNode, elems);
       updateContextPanel();
-      svgCanvas.runExtensions('selectedChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} */{
+      svgCanvas.runExtensions('selectedChanged',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-selectedChanged} */
+      {
         elems: elems,
         selectedElement: selectedElement,
         multiselected: multiselected
       });
-    };
-
-    // Call when part of element is in process of changing, generally
+    }; // Call when part of element is in process of changing, generally
     // on mousemove actions like rotate, move, etc.
+
     /**
      * @param {external:Window} win
      * @param {module:svgcanvas.SvgCanvas#event:transition} elems
@@ -27507,6 +30219,8 @@
      * @fires module:svgcanvas.SvgCanvas#event:ext-elementTransition
      * @returns {undefined}
      */
+
+
     var elementTransition = function elementTransition(win, elems) {
       var mode = svgCanvas.getMode();
       var elem = elems[0];
@@ -27515,8 +30229,8 @@
         return;
       }
 
-      multiselected = elems.length >= 2 && elems[1] != null;
-      // Only updating fields for single elements for now
+      multiselected = elems.length >= 2 && elems[1] != null; // Only updating fields for single elements for now
+
       if (!multiselected) {
         switch (mode) {
           case 'rotate':
@@ -27524,28 +30238,30 @@
             $$b('#angle').val(ang);
             $$b('#tool_reorient').toggleClass('disabled', ang === 0);
             break;
-
           // TODO: Update values that change on move/resize, etc
           // case 'select':
           // case 'resize':
           //   break;
         }
       }
-      svgCanvas.runExtensions('elementTransition', /** @type {module:svgcanvas.SvgCanvas#event:ext-elementTransition} */{
+
+      svgCanvas.runExtensions('elementTransition',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-elementTransition} */
+      {
         elems: elems
       });
     };
-
     /**
      * Test whether an element is a layer or not.
      * @param {SVGGElement} elem - The SVGGElement to test.
      * @returns {boolean} True if the element is a layer
      */
+
+
     function isLayer(elem) {
       return elem && elem.tagName === 'g' && Layer.CLASS_REGEX.test(elem.getAttribute('class'));
-    }
+    } // called when any element has changed
 
-    // called when any element has changed
     /**
      * @param {external:Window} win
      * @param {module:svgcanvas.SvgCanvas#event:changed} elems
@@ -27553,60 +30269,61 @@
      * @fires module:svgcanvas.SvgCanvas#event:ext-elementChanged
      * @returns {undefined}
      */
+
+
     var elementChanged = function elementChanged(win, elems) {
       var mode = svgCanvas.getMode();
+
       if (mode === 'select') {
         setSelectMode();
       }
 
       for (var _i = 0; _i < elems.length; ++_i) {
         var elem = elems[_i];
-
         var isSvgElem = elem && elem.tagName === 'svg';
+
         if (isSvgElem || isLayer(elem)) {
-          populateLayers();
-          // if the element changed was the svg, then it could be a resolution change
+          populateLayers(); // if the element changed was the svg, then it could be a resolution change
+
           if (isSvgElem) {
             updateCanvas();
-          }
-          // Update selectedElement if element is no longer part of the image.
+          } // Update selectedElement if element is no longer part of the image.
           // This occurs for the text elements in Firefox
+
         } else if (elem && selectedElement && selectedElement.parentNode == null) {
           // || elem && elem.tagName == "path" && !multiselected) { // This was added in r1430, but not sure why
           selectedElement = elem;
         }
       }
 
-      editor.showSaveWarning = true;
-
-      // we update the contextual panel with potentially new
+      editor.showSaveWarning = true; // we update the contextual panel with potentially new
       // positional/sizing information (we DON'T want to update the
       // toolbar here as that creates an infinite loop)
       // also this updates the history buttons
-
       // we tell it to skip focusing the text control if the
       // text element was previously in focus
-      updateContextPanel();
 
-      // In the event a gradient was flipped:
+      updateContextPanel(); // In the event a gradient was flipped:
+
       if (selectedElement && mode === 'select') {
         paintBox.fill.update();
         paintBox.stroke.update();
       }
 
-      svgCanvas.runExtensions('elementChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-elementChanged} */{
+      svgCanvas.runExtensions('elementChanged',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-elementChanged} */
+      {
         elems: elems
       });
     };
-
     /**
      * @returns {undefined}
      */
-    var zoomDone = function zoomDone() {
-      updateWireFrame();
-      // updateCanvas(); // necessary?
-    };
 
+
+    var zoomDone = function zoomDone() {
+      updateWireFrame(); // updateCanvas(); // necessary?
+    };
     /**
     * @typedef {PlainObject} module:SVGEditor.BBoxObjectWithFactor (like `DOMRect`)
     * @property {Float} x
@@ -27626,21 +30343,26 @@
     * @listens module:svgcanvas.SvgCanvas#event:zoomed
     * @returns {undefined}
     */
+
+
     var zoomChanged = svgCanvas.zoomChanged = function (win, bbox, autoCenter) {
       var scrbar = 15,
+          // res = svgCanvas.getResolution(), // Currently unused
+      wArea = workarea; // const canvasPos = $('#svgcanvas').position(); // Currently unused
 
-      // res = svgCanvas.getResolution(), // Currently unused
-      wArea = workarea;
-      // const canvasPos = $('#svgcanvas').position(); // Currently unused
       var zInfo = svgCanvas.setBBoxZoom(bbox, wArea.width() - scrbar, wArea.height() - scrbar);
+
       if (!zInfo) {
         return;
       }
+
       var zoomlevel = zInfo.zoom,
           bb = zInfo.bbox;
 
       if (zoomlevel < 0.001) {
-        changeZoom({ value: 0.1 });
+        changeZoom({
+          value: 0.1
+        });
         return;
       }
 
@@ -27649,7 +30371,10 @@
       if (autoCenter) {
         updateCanvas();
       } else {
-        updateCanvas(false, { x: bb.x * zoomlevel + bb.width * zoomlevel / 2, y: bb.y * zoomlevel + bb.height * zoomlevel / 2 });
+        updateCanvas(false, {
+          x: bb.x * zoomlevel + bb.width * zoomlevel / 2,
+          y: bb.y * zoomlevel + bb.height * zoomlevel / 2
+        });
       }
 
       if (svgCanvas.getMode() === 'zoom' && bb.width) {
@@ -27662,13 +30387,14 @@
 
     var changeZoom = function changeZoom(ctl) {
       var zoomlevel = ctl.value / 100;
+
       if (zoomlevel < 0.001) {
         ctl.value = 0.1;
         return;
       }
+
       var zoom = svgCanvas.getZoom();
       var wArea = workarea;
-
       zoomChanged(window, {
         width: 0,
         height: 0,
@@ -27681,30 +30407,33 @@
 
     $$b('#cur_context_panel').delegate('a', 'click', function () {
       var link = $$b(this);
+
       if (link.attr('data-root')) {
         svgCanvas.leaveContext();
       } else {
         svgCanvas.setContext(link.text());
       }
+
       svgCanvas.clearSelection();
       return false;
     });
-
     /**
      * @param {external:Window} win
      * @param {module:svgcanvas.SvgCanvas#event:contextset} context
      * @listens module:svgcanvas.SvgCanvas#event:contextset
      * @returns {undefined}
      */
+
     var contextChanged = function contextChanged(win, context) {
       var linkStr = '';
+
       if (context) {
         var _str2 = '';
         linkStr = '<a href="#" data-root="y">' + svgCanvas.getCurrentDrawing().getCurrentLayerName() + '</a>';
-
         $$b(context).parentsUntil('#svgcontent > g').andSelf().each(function () {
           if (this.id) {
             _str2 += ' > ' + this.id;
+
             if (this !== context) {
               linkStr += ' > <a href="#">' + this.id + '</a>';
             } else {
@@ -27712,17 +30441,16 @@
             }
           }
         });
-
         curContext = _str2;
       } else {
         curContext = null;
       }
+
       $$b('#cur_context_panel').toggle(!!context).html(linkStr);
-
       updateTitle();
-    };
+    }; // Makes sure the current selected paint is available to work with
+
 
-    // Makes sure the current selected paint is available to work with
     var prepPaints = function prepPaints() {
       paintBox.fill.prep();
       paintBox.stroke.prep();
@@ -27733,6 +30461,7 @@
     var setFlyoutTitles = function setFlyoutTitles() {
       $$b('.tools_flyout').each(function () {
         var shower = $$b('#' + this.id + '_show');
+
         if (shower.data('isLibrary')) {
           return;
         }
@@ -27749,6 +30478,7 @@
      * @param {Object.<string, module:SVGEditor.ToolButton>} holders Key is a selector
      * @returns {undefined}
      */
+
     var setupFlyouts = function setupFlyouts(holders) {
       $$b.each(holders, function (holdSel, btnOpts) {
         var _allHolders$holdSel;
@@ -27756,7 +30486,8 @@
         if (!allHolders[holdSel]) {
           allHolders[holdSel] = [];
         }
-        (_allHolders$holdSel = allHolders[holdSel]).push.apply(_allHolders$holdSel, toConsumableArray(btnOpts));
+
+        (_allHolders$holdSel = allHolders[holdSel]).push.apply(_allHolders$holdSel, _toConsumableArray(btnOpts));
 
         var buttons = $$b(holdSel).children().not('.tool_button_evt_handled');
         var showSel = holdSel + '_show';
@@ -27768,17 +30499,15 @@
           var idSel = '#' + this.getAttribute('id');
 
           var _Object$entries$find = Object.entries(btnOpts).find(function (_ref10) {
-            var _ref11 = slicedToArray(_ref10, 2),
+            var _ref11 = _slicedToArray(_ref10, 2),
                 i = _ref11[0],
                 sel = _ref11[1].sel;
 
             return sel === idSel;
           }),
-              _Object$entries$find2 = slicedToArray(_Object$entries$find, 2),
+              _Object$entries$find2 = _slicedToArray(_Object$entries$find, 2),
               i = _Object$entries$find2[0],
-              opts = _Object$entries$find2[1];
-
-          // Remember the function that goes with this ID
+              opts = _Object$entries$find2[1]; // Remember the function that goes with this ID
 
 
           flyoutFuncs[opts.sel] = opts.fn;
@@ -27786,44 +30515,51 @@
           if (opts.isDefault) {
             def = i;
           }
-
           /**
            * Clicking the icon in flyout should set this set's icon
            * @param {Event} ev
            * @returns {undefined}
            */
+
+
           var flyoutAction = function flyoutAction(ev) {
-            var options = opts;
-            // Find the currently selected tool if comes from keystroke
+            var options = opts; // Find the currently selected tool if comes from keystroke
+
             if (ev.type === 'keydown') {
               var flyoutIsSelected = $$b(options.parent + '_show').hasClass('tool_button_current');
               var currentOperation = $$b(options.parent + '_show').attr('data-curopt');
               Object.entries(holders[opts.parent]).some(function (_ref12) {
-                var _ref13 = slicedToArray(_ref12, 2),
+                var _ref13 = _slicedToArray(_ref12, 2),
                     i = _ref13[0],
                     tool = _ref13[1];
 
                 if (tool.sel !== currentOperation) {
                   return;
                 }
+
                 if (!ev.shiftKey || !flyoutIsSelected) {
                   options = tool;
                 } else {
                   // If flyout is selected, allow shift key to iterate through subitems
-                  i = parseInt(i, 10);
-                  // Use `allHolders` to include both extension `includeWith` and toolbarButtons
+                  i = parseInt(i, 10); // Use `allHolders` to include both extension `includeWith` and toolbarButtons
+
                   options = allHolders[opts.parent][i + 1] || holders[opts.parent][0];
                 }
+
                 return true;
               });
             }
+
             if ($$b(this).hasClass('disabled')) {
               return false;
             }
+
             if (toolButtonClick(showSel)) {
               options.fn();
             }
-            var icon = void 0;
+
+            var icon;
+
             if (options.icon) {
               icon = $$b.getSvgIcon(options.icon, true);
             } else {
@@ -27850,14 +30586,14 @@
           shower.attr('data-curopt', btnOpts[0].sel);
         }
 
-        var timer = void 0;
-        var pos = $$b(showSel).position();
+        var timer;
+        var pos = $$b(showSel).position(); // Clicking the "show" icon should set the current mode
 
-        // Clicking the "show" icon should set the current mode
         shower.mousedown(function (evt) {
           if (shower.hasClass('disabled')) {
             return false;
           }
+
           var holder = $$b(holdSel);
           var l = pos.left + 34;
           var w = holder.width() * -1;
@@ -27871,22 +30607,23 @@
             } else {
               holder.css('left', l).show();
             }
+
             holder.data('shown_popop', true);
           }, time);
           evt.preventDefault();
         }).mouseup(function (evt) {
           clearTimeout(timer);
-          var opt = $$b(this).attr('data-curopt');
-          // Is library and popped up, so do nothing
+          var opt = $$b(this).attr('data-curopt'); // Is library and popped up, so do nothing
+
           if (shower.data('isLibrary') && $$b(showSel.replace('_show', '')).is(':visible')) {
             toolButtonClick(showSel, true);
             return;
           }
+
           if (toolButtonClick(showSel) && flyoutFuncs[opt]) {
             flyoutFuncs[opt]();
           }
-        });
-        // $('#tools_rect').mouseleave(function () { $('#tools_rect').fadeOut(); });
+        }); // $('#tools_rect').mouseleave(function () { $('#tools_rect').fadeOut(); });
       });
       setFlyoutTitles();
       setFlyoutPositions();
@@ -27897,46 +30634,51 @@
         class: 'tools_flyout',
         id: id
       }).appendTo('#svg_editor').append(child);
-
       return div;
-    };
+    }; // TODO: Combine this with addDropDown or find other way to optimize
+
 
-    // TODO: Combine this with addDropDown or find other way to optimize
     var addAltDropDown = function addAltDropDown(elem, list, callback, opts) {
       var button = $$b(elem);
       var dropUp = opts.dropUp;
-
       list = $$b(list);
+
       if (dropUp) {
         $$b(elem).addClass('dropup');
       }
+
       list.find('li').bind('mouseup', function () {
         if (opts.seticon) {
           setIcon('#cur_' + button[0].id, $$b(this).children());
           $$b(this).addClass('current').siblings().removeClass('current');
         }
+
         callback.apply(this, arguments);
       });
-
       var onButton = false;
       $$b(window).mouseup(function (evt) {
         if (!onButton) {
           button.removeClass('down');
           list.hide();
-          list.css({ top: 0, left: 0 });
+          list.css({
+            top: 0,
+            left: 0
+          });
         }
-        onButton = false;
-      });
 
-      // const height = list.height(); // Currently unused
+        onButton = false;
+      }); // const height = list.height(); // Currently unused
+
       button.bind('mousedown', function () {
         var off = button.offset();
+
         if (dropUp) {
           off.top -= list.height();
           off.left += 8;
         } else {
           off.top += button.height();
         }
+
         list.offset(off);
 
         if (!button.hasClass('down')) {
@@ -27945,8 +30687,12 @@
         } else {
           // CSS position must be reset for Webkit
           list.hide();
-          list.css({ top: 0, left: 0 });
+          list.css({
+            top: 0,
+            left: 0
+          });
         }
+
         button.toggleClass('down');
       }).hover(function () {
         onButton = true;
@@ -27968,10 +30714,12 @@
      * @listens module:svgcanvas.SvgCanvas#event:extension_added
      * @returns {Promise} Resolves to `undefined`
      */
+
     var extAdded = function extAdded(win, ext) {
       if (!ext) {
         return;
       }
+
       var cbCalled = false;
       var resizeDone = false;
 
@@ -27982,7 +30730,10 @@
           ext.langReady({
             lang: lang,
             uiStrings: uiStrings$1,
-            importLocale: getImportLocale({ defaultLang: lang, defaultName: ext.name })
+            importLocale: getImportLocale({
+              defaultLang: lang,
+              defaultName: ext.name
+            })
           });
         } else {
           extsPreLang.push(ext);
@@ -27994,6 +30745,7 @@
           clearTimeout(resizeTimer);
           resizeTimer = null;
         }
+
         if (!resizeDone) {
           resizeTimer = setTimeout(function () {
             resizeDone = true;
@@ -28010,7 +30762,6 @@
       };
 
       var btnSelects = [];
-
       /**
       * @typedef {PlainObject} module:SVGEditor.ContextTool
       * @property {string} panel The ID of the existing panel to which the tool is being added. Required.
@@ -28026,55 +30777,60 @@
       * @property {Integer} [size] Value of the "size" attribute of the tool input
       * @property {module:jQuerySpinButton.SpinButtonConfig} [spindata] When added to a tool of type "input", this tool becomes a "spinner" which allows the number to be in/decreased.
       */
+
       if (ext.context_tools) {
         $$b.each(ext.context_tools, function (i, tool) {
           // Add select tool
           var contId = tool.container_id ? ' id="' + tool.container_id + '"' : '';
+          var panel = $$b('#' + tool.panel); // create the panel if it doesn't exist
 
-          var panel = $$b('#' + tool.panel);
-          // create the panel if it doesn't exist
           if (!panel.length) {
-            panel = $$b('<div>', { id: tool.panel }).appendTo('#tools_top');
+            panel = $$b('<div>', {
+              id: tool.panel
+            }).appendTo('#tools_top');
           }
 
-          var html = void 0;
-          // TODO: Allow support for other types, or adding to existing tool
+          var html; // TODO: Allow support for other types, or adding to existing tool
+
           switch (tool.type) {
             case 'tool_button':
               html = '<div class="tool_button">' + tool.id + '</div>';
               var div = $$b(html).appendTo(panel);
+
               if (tool.events) {
                 $$b.each(tool.events, function (evt, func) {
                   $$b(div).bind(evt, func);
                 });
               }
+
               break;
+
             case 'select':
               html = '<label' + contId + '>' + '<select id="' + tool.id + '">';
               $$b.each(tool.options, function (val, text) {
                 var sel = val === tool.defval ? ' selected' : '';
                 html += '<option value="' + val + '"' + sel + '>' + text + '</option>';
               });
-              html += '</select></label>';
-              // Creates the tool, hides & adds it, returns the select element
-              var sel = $$b(html).appendTo(panel).find('select');
+              html += '</select></label>'; // Creates the tool, hides & adds it, returns the select element
 
+              var sel = $$b(html).appendTo(panel).find('select');
               $$b.each(tool.events, function (evt, func) {
                 $$b(sel).bind(evt, func);
               });
               break;
+
             case 'button-select':
               html = '<div id="' + tool.id + '" class="dropdown toolset" title="' + tool.title + '">' + '<div id="cur_' + tool.id + '" class="icon_label"></div><button></button></div>';
-
               var list = $$b('<ul id="' + tool.id + '_opts"></ul>').appendTo('#option_lists');
 
               if (tool.colnum) {
                 list.addClass('optcols' + tool.colnum);
-              }
+              } // Creates the tool, hides & adds it, returns the select element
 
-              // Creates the tool, hides & adds it, returns the select element
-              /* const dropdown = */$$b(html).appendTo(panel).children();
+              /* const dropdown = */
 
+
+              $$b(html).appendTo(panel).children();
               btnSelects.push({
                 elem: '#' + tool.id,
                 list: '#' + tool.id + '_opts',
@@ -28082,14 +30838,12 @@
                 callback: tool.events.change,
                 cur: '#cur_' + tool.id
               });
-
               break;
+
             case 'input':
-              html = '<label' + contId + '>' + '<span id="' + tool.id + '_label">' + tool.label + ':</span>' + '<input id="' + tool.id + '" title="' + tool.title + '" size="' + (tool.size || '4') + '" value="' + (tool.defval || '') + '" type="text"/></label>';
-
-              // Creates the tool, hides & adds it, returns the select element
-
+              html = '<label' + contId + '>' + '<span id="' + tool.id + '_label">' + tool.label + ':</span>' + '<input id="' + tool.id + '" title="' + tool.title + '" size="' + (tool.size || '4') + '" value="' + (tool.defval || '') + '" type="text"/></label>'; // Creates the tool, hides & adds it, returns the select element
               // Add to given tool.panel
+
               var inp = $$b(html).appendTo(panel).find('input');
 
               if (tool.spindata) {
@@ -28101,6 +30855,7 @@
                   inp.bind(evt, func);
                 });
               }
+
               break;
 
             default:
@@ -28115,16 +30870,17 @@
         var fallbackObj = {},
             placementObj = {},
             holders = {};
-
         /**
         * @typedef {GenericArray} module:SVGEditor.KeyArray
         * @property {string} 0 The key to bind (on `keydown`)
         * @property {boolean} 1 Whether to `preventDefault` on the `keydown` event
         * @property {boolean} 2 Not apparently in use (NoDisableInInput)
         */
+
         /**
          * @typedef {string|module:SVGEditor.KeyArray} module:SVGEditor.Key
          */
+
         /**
         * @typedef {PlainObject} module:SVGEditor.Button
         * @property {string} id A unique identifier for this button. If SVG icons are used, this must match the ID used in the icon file. Required.
@@ -28144,21 +30900,25 @@
         * @property {module:SVGEditor.Key} [key] The key to bind to the button
         */
         // Add buttons given by extension
-        $$b.each(ext.buttons, function (i, /** @type {module:SVGEditor.Button} */btn) {
-          var id = btn.id;
 
-          var num = i;
-          // Give button a unique ID
+        $$b.each(ext.buttons, function (i,
+        /** @type {module:SVGEditor.Button} */
+        btn) {
+          var id = btn.id;
+          var num = i; // Give button a unique ID
+
           while ($$b('#' + id).length) {
             id = btn.id + '_' + ++num;
           }
 
-          var icon = void 0;
+          var icon;
+
           if (!svgicons) {
             icon = $$b('<img src="' + btn.icon + '">');
           } else {
             fallbackObj[id] = btn.icon;
             var svgicon = btn.svgicon || btn.id;
+
             if (btn.type === 'app_menu') {
               placementObj['#' + id + ' > div'] = svgicon;
             } else {
@@ -28166,34 +30926,36 @@
             }
           }
 
-          var cls = void 0,
-              parent = void 0;
+          var cls, parent; // Set button up according to its type
 
-          // Set button up according to its type
           switch (btn.type) {
             case 'mode_flyout':
             case 'mode':
               cls = 'tool_button';
               parent = '#tools_left';
               break;
+
             case 'context':
               cls = 'tool_button';
-              parent = '#' + btn.panel;
-              // create the panel if it doesn't exist
+              parent = '#' + btn.panel; // create the panel if it doesn't exist
+
               if (!$$b(parent).length) {
-                $$b('<div>', { id: btn.panel }).appendTo('#tools_top');
+                $$b('<div>', {
+                  id: btn.panel
+                }).appendTo('#tools_top');
               }
+
               break;
+
             case 'app_menu':
               cls = '';
               parent = '#main_menu ul';
               break;
           }
-          var flyoutHolder = void 0,
-              showBtn = void 0,
-              refData = void 0,
-              refBtn = void 0;
+
+          var flyoutHolder, showBtn, refData, refBtn;
           var button = $$b(btn.list || btn.type === 'app_menu' ? '<li/>' : '<div/>').attr('id', id).attr('title', btn.title).addClass(cls);
+
           if (!btn.includeWith && !btn.list) {
             if ('position' in btn) {
               if ($$b(parent).children().eq(btn.position).length) {
@@ -28210,29 +30972,30 @@
               // const opts = btn.includeWith;
               // // opts.button, default, position
               refBtn = $$b(button);
+              flyoutHolder = refBtn.parent(); // Create a flyout menu if there isn't one already
+
+              var tlsId;
 
-              flyoutHolder = refBtn.parent();
-              // Create a flyout menu if there isn't one already
-              var tlsId = void 0;
               if (!refBtn.parent().hasClass('tools_flyout')) {
                 // Create flyout placeholder
                 tlsId = refBtn[0].id.replace('tool_', 'tools_');
-                showBtn = refBtn.clone().attr('id', tlsId + '_show').append($$b('<div>', { class: 'flyout_arrow_horiz' }));
+                showBtn = refBtn.clone().attr('id', tlsId + '_show').append($$b('<div>', {
+                  class: 'flyout_arrow_horiz'
+                }));
+                refBtn.before(showBtn); // Create a flyout div
 
-                refBtn.before(showBtn);
-
-                // Create a flyout div
                 flyoutHolder = makeFlyoutHolder(tlsId, refBtn);
                 flyoutHolder.data('isLibrary', true);
                 showBtn.data('isLibrary', true);
-              }
-              // refData = Actions.getButtonData(opts.button);
+              } // refData = Actions.getButtonData(opts.button);
 
-              placementObj['#' + tlsId + '_show'] = btn.id;
-              // TODO: Find way to set the current icon using the iconloader if this is not default
 
+              placementObj['#' + tlsId + '_show'] = btn.id; // TODO: Find way to set the current icon using the iconloader if this is not default
               // Include data for extension button as well as ref button
-              /* curH = */holders['#' + flyoutHolder[0].id] = [{
+
+              /* curH = */
+
+              holders['#' + flyoutHolder[0].id] = [{
                 sel: '#' + id,
                 fn: btn.events.click,
                 icon: btn.id,
@@ -28259,27 +31022,31 @@
             // Add button to list
             button.addClass('push_button');
             $$b('#' + btn.list + '_opts').append(button);
+
             if (btn.isDefault) {
               $$b('#cur_' + btn.list).append(button.children().clone());
+
               var _svgicon = btn.svgicon || btn.id;
+
               placementObj['#cur_' + btn.list] = _svgicon;
             }
           } else if (btn.includeWith) {
             // Add to flyout menu / make flyout menu
-            var opts = btn.includeWith;
-            // opts.button, default, position
-            refBtn = $$b(opts.button);
+            var opts = btn.includeWith; // opts.button, default, position
+
+            refBtn = $$b(opts.button);
+            flyoutHolder = refBtn.parent(); // Create a flyout menu if there isn't one already
+
+            var _tlsId;
 
-            flyoutHolder = refBtn.parent();
-            // Create a flyout menu if there isn't one already
-            var _tlsId = void 0;
             if (!refBtn.parent().hasClass('tools_flyout')) {
               // Create flyout placeholder
               _tlsId = refBtn[0].id.replace('tool_', 'tools_');
-              showBtn = refBtn.clone().attr('id', _tlsId + '_show').append($$b('<div>', { class: 'flyout_arrow_horiz' }));
+              showBtn = refBtn.clone().attr('id', _tlsId + '_show').append($$b('<div>', {
+                class: 'flyout_arrow_horiz'
+              }));
+              refBtn.before(showBtn); // Create a flyout div
 
-              refBtn.before(showBtn);
-              // Create a flyout div
               flyoutHolder = makeFlyoutHolder(_tlsId, refBtn);
             }
 
@@ -28287,24 +31054,21 @@
 
             if (opts.isDefault) {
               placementObj['#' + _tlsId + '_show'] = btn.id;
-            }
-            // TODO: Find way to set the current icon using the iconloader if this is not default
-
+            } // TODO: Find way to set the current icon using the iconloader if this is not default
             // Include data for extension button as well as ref button
+
+
             var curH = holders['#' + flyoutHolder[0].id] = [{
               sel: '#' + id,
               fn: btn.events.click,
               icon: btn.id,
               key: btn.key,
               isDefault: Boolean(btn.includeWith && btn.includeWith.isDefault)
-            }, refData];
-
-            // {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}
+            }, refData]; // {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}
 
             var pos = 'position' in opts ? opts.position : 'last';
-            var len = flyoutHolder.children().length;
+            var len = flyoutHolder.children().length; // Add at given position or end
 
-            // Add at given position or end
             if (!isNaN(pos) && pos >= 0 && pos < len) {
               flyoutHolder.children().eq(pos).before(button);
             } else {
@@ -28330,8 +31094,10 @@
                     }
                   });
                 }
+
                 if (btn.key) {
                   $$b(document).bind('keydown', btn.key, func);
+
                   if (btn.title) {
                     button.attr('title', btn.title + ' [' + btn.key + ']');
                   }
@@ -28344,15 +31110,17 @@
 
           setupFlyouts(holders);
         });
-
         $$b.each(btnSelects, function () {
-          addAltDropDown(this.elem, this.list, this.callback, { seticon: true });
+          addAltDropDown(this.elem, this.list, this.callback, {
+            seticon: true
+          });
         });
 
         if (svgicons) {
           return new Promise(function (resolve, reject) {
             $$b.svgIcons(svgicons, {
-              w: 24, h: 24,
+              w: 24,
+              h: 24,
               id_match: false,
               no_img: !isWebkit(),
               fallback: fallbackObj,
@@ -28363,6 +31131,7 @@
                 if ($$b.pref('iconsize') !== 'm') {
                   prepResize();
                 }
+
                 runCallback();
                 resolve();
               }
@@ -28370,32 +31139,38 @@
           });
         }
       }
+
       return runCallback();
     };
 
     var getPaint = function getPaint(color, opac, type) {
       // update the editor's fill paint
-      var opts = { alpha: opac };
+      var opts = {
+        alpha: opac
+      };
+
       if (color.startsWith('url(#')) {
         var refElem = svgCanvas.getRefElem(color);
+
         if (refElem) {
           refElem = refElem.cloneNode(true);
         } else {
           refElem = $$b('#' + type + '_color defs *')[0];
         }
+
         opts[refElem.tagName] = refElem;
       } else if (color.startsWith('#')) {
         opts.solidColor = color.substr(1);
       } else {
         opts.solidColor = 'none';
       }
+
       return new $$b.jGraduate.Paint(opts);
-    };
-
-    // $('#text').focus(function () { textBeingEntered = true; });
+    }; // $('#text').focus(function () { textBeingEntered = true; });
     // $('#text').blur(function () { textBeingEntered = false; });
-
     // bind the selected event to our function that handles updates to the UI
+
+
     svgCanvas.bind('selected', selectedChanged);
     svgCanvas.bind('transition', elementTransition);
     svgCanvas.bind('changed', elementChanged);
@@ -28406,15 +31181,18 @@
         // Ignore Chrome
         return;
       }
+
       var exportWindowName = data.exportWindowName;
 
       if (exportWindowName) {
         exportWindow = window.open('', exportWindowName); // A hack to get the window via JSON-able name without opening a new one
       }
+
       if (!exportWindow || exportWindow.closed) {
         $$b.alert(uiStrings$1.notification.popupWindowBlocked);
         return;
       }
+
       exportWindow.location.href = data.output;
     });
     svgCanvas.bind('zoomed', zoomChanged);
@@ -28430,22 +31208,20 @@
     function (win, _ref14) {
       var center = _ref14.center,
           newCtr = _ref14.newCtr;
-
       updateCanvas(center, newCtr);
     });
     svgCanvas.bind('contextset', contextChanged);
     svgCanvas.bind('extension_added', extAdded);
     svgCanvas.textActions.setInputElem($$b('#text')[0]);
-
     var str = '<div class="palette_item" data-rgb="none"></div>';
     $$b.each(palette, function (i, item) {
       str += '<div class="palette_item" style="background-color: ' + item + ';" data-rgb="' + item + '"></div>';
     });
-    $$b('#palette').append(str);
-
-    // Set up editor background functionality
+    $$b('#palette').append(str); // Set up editor background functionality
     // TODO add checkerboard as "pattern"
+
     var colorBlocks = ['#FFF', '#888', '#000']; // ,'url(data:image/gif;base64,R0lGODlhEAAQAIAAAP%2F%2F%2F9bW1iH5BAAAAAAALAAAAAAQABAAAAIfjG%2Bgq4jM3IFLJgpswNly%2FXkcBpIiVaInlLJr9FZWAQA7)'];
+
     str = '';
     $$b.each(colorBlocks, function () {
       str += '<div class="color_block" style="background-color:' + this + ';"></div>';
@@ -28460,9 +31236,7 @@
         $$b(this).addClass(curBg);
       });
     });
-
     setBackground($$b.pref('bkgd_color'), $$b.pref('bkgd_url'));
-
     $$b('#image_save_opts input').val([$$b.pref('img_save')]);
 
     var changeRectRadius = function changeRectRadius(ctl) {
@@ -28475,9 +31249,11 @@
 
     var changeStrokeWidth = function changeStrokeWidth(ctl) {
       var val = ctl.value;
+
       if (val === 0 && selectedElement && ['line', 'polyline'].includes(selectedElement.nodeName)) {
         val = ctl.value = 1;
       }
+
       svgCanvas.setStrokeWidth(val);
     };
 
@@ -28490,10 +31266,13 @@
       if (val == null) {
         val = ctl.value;
       }
+
       $$b('#group_opacity').val(val);
+
       if (!ctl || !ctl.handle) {
         $$b('#opac_slider').slider('option', 'value', val);
       }
+
       svgCanvas.setOpacity(val / 100);
     };
 
@@ -28501,12 +31280,15 @@
       if (val == null) {
         val = ctl.value;
       }
+
       $$b('#blur').val(val);
       var complete = false;
+
       if (!ctl || !ctl.handle) {
         $$b('#blur_slider').slider('option', 'value', val);
         complete = true;
       }
+
       if (noUndo) {
         svgCanvas.setBlurNoUndo(val);
       } else {
@@ -28518,31 +31300,31 @@
       svgCanvas.setStrokeAttr('stroke-dasharray', $$b(this).val());
       operaRepaint();
     });
-
     $$b('#stroke_linejoin').change(function () {
       svgCanvas.setStrokeAttr('stroke-linejoin', $$b(this).val());
       operaRepaint();
-    });
+    }); // Lose focus for select elements when changed (Allows keyboard shortcuts to work better)
 
-    // Lose focus for select elements when changed (Allows keyboard shortcuts to work better)
     $$b('select').change(function () {
       $$b(this).blur();
-    });
+    }); // fired when user wants to move elements to another layer
 
-    // fired when user wants to move elements to another layer
     var promptMoveLayerOnce = false;
     $$b('#selLayerNames').change(function () {
       var destLayer = this.options[this.selectedIndex].value;
       var confirmStr = uiStrings$1.notification.QmoveElemsToLayer.replace('%s', destLayer);
+
       var moveToLayer = function moveToLayer(ok) {
         if (!ok) {
           return;
         }
+
         promptMoveLayerOnce = true;
         svgCanvas.moveSelectedToLayer(destLayer);
         svgCanvas.clearSelection();
         populateLayers();
       };
+
       if (destLayer) {
         if (promptMoveLayerOnce) {
           moveToLayer(true);
@@ -28551,23 +31333,18 @@
         }
       }
     });
-
     $$b('#font_family').change(function () {
       svgCanvas.setFontFamily(this.value);
     });
-
     $$b('#seg_type').change(function () {
       svgCanvas.setSegType($$b(this).val());
     });
-
     $$b('#text').bind('keyup input', function () {
       svgCanvas.setTextContent(this.value);
     });
-
     $$b('#image_url').change(function () {
       setImageURL(this.value);
     });
-
     $$b('#link_url').change(function () {
       if (this.value.length) {
         svgCanvas.setLinkURL(this.value);
@@ -28575,11 +31352,9 @@
         svgCanvas.removeHyperlink();
       }
     });
-
     $$b('#g_title').change(function () {
       svgCanvas.setGroupTitle(this.value);
     });
-
     $$b('.attr_changer').change(function () {
       var attr = this.getAttribute('data-attr');
       var val = this.value;
@@ -28596,17 +31371,16 @@
           val = svgCanvas.convertToNum(attr, val);
         } else if (curConfig.baseUnit !== 'px') {
           // Convert unitless value to one with given unit
-
           var unitData = getTypeMap();
 
           if (selectedElement[attr] || svgCanvas.getMode() === 'pathedit' || attr === 'x' || attr === 'y') {
             val *= unitData[curConfig.baseUnit];
           }
         }
-      }
-
-      // if the user is changing the id, then de-select the element first
+      } // if the user is changing the id, then de-select the element first
       // change the ID, then re-select it with the new ID
+
+
       if (attr === 'id') {
         var elem = selectedElement;
         svgCanvas.clearSelection();
@@ -28615,28 +31389,29 @@
       } else {
         svgCanvas.changeSelectedAttribute(attr, val);
       }
-      this.blur();
-    });
 
-    // Prevent selection of elements when shift-clicking
+      this.blur();
+    }); // Prevent selection of elements when shift-clicking
+
     $$b('#palette').mouseover(function () {
       var inp = $$b('<input type="hidden">');
       $$b(this).append(inp);
       inp.focus().remove();
     });
-
     $$b('.palette_item').mousedown(function (evt) {
       // shift key or right click for stroke
       var picker = evt.shiftKey || evt.button === 2 ? 'stroke' : 'fill';
       var color = $$b(this).data('rgb');
-      var paint = void 0;
+      var paint; // Webkit-based browsers returned 'initial' here for no stroke
 
-      // Webkit-based browsers returned 'initial' here for no stroke
       if (color === 'none' || color === 'transparent' || color === 'initial') {
         color = 'none';
         paint = new $$b.jGraduate.Paint();
       } else {
-        paint = new $$b.jGraduate.Paint({ alpha: 100, solidColor: color.substr(1) });
+        paint = new $$b.jGraduate.Paint({
+          alpha: 100,
+          solidColor: color.substr(1)
+        });
       }
 
       paintBox[picker].setPaint(paint);
@@ -28645,23 +31420,21 @@
       if (color !== 'none' && svgCanvas.getPaintOpacity(picker) !== 1) {
         svgCanvas.setPaintOpacity(picker, 1.0);
       }
+
       updateToolButtonState();
     }).bind('contextmenu', function (e) {
       e.preventDefault();
     });
-
     $$b('#toggle_stroke_tools').on('click', function () {
       $$b('#tools_bottom').toggleClass('expanded');
     });
 
     (function () {
       var wArea = workarea[0];
-
       var lastX = null,
           lastY = null,
           panning = false,
           keypan = false;
-
       $$b('#svgcanvas').bind('mousemove mouseup', function (evt) {
         if (panning === false) {
           return;
@@ -28669,13 +31442,13 @@
 
         wArea.scrollLeft -= evt.clientX - lastX;
         wArea.scrollTop -= evt.clientY - lastY;
-
         lastX = evt.clientX;
         lastY = evt.clientY;
 
         if (evt.type === 'mouseup') {
           panning = false;
         }
+
         return false;
       }).mousedown(function (evt) {
         if (evt.button === 1 || keypan === true) {
@@ -28685,11 +31458,9 @@
           return false;
         }
       });
-
       $$b(window).mouseup(function () {
         panning = false;
       });
-
       $$b(document).bind('keydown', 'space', function (evt) {
         svgCanvas.spaceKey = keypan = true;
         evt.preventDefault();
@@ -28705,11 +31476,11 @@
           workarea.css('cursor', zoomInIcon);
         }
       });
-
       /**
       * @param {boolean} active
       * @returns {undefined}
       */
+
       editor.setPanning = function (active) {
         svgCanvas.spaceKey = keypan = active;
       };
@@ -28719,12 +31490,10 @@
       var button = $$b('#main_icon');
       var overlay = $$b('#main_icon span');
       var list = $$b('#main_menu');
-
       var onButton = false;
       var height = 0;
       var jsHover = true;
       var setClick = false;
-
       /*
       // Currently unused
       const hideMenu = function () {
@@ -28734,9 +31503,9 @@
 
       $$b(window).mouseup(function (evt) {
         if (!onButton) {
-          button.removeClass('buttondown');
-          // do not hide if it was the file input as that input needs to be visible
+          button.removeClass('buttondown'); // do not hide if it was the file input as that input needs to be visible
           // for its change event to fire
+
           if (evt.target.tagName !== 'INPUT') {
             list.fadeOut(200);
           } else if (!setClick) {
@@ -28746,23 +31515,26 @@
             });
           }
         }
+
         onButton = false;
       }).mousedown(function (evt) {
         // $('.contextMenu').hide();
         var islib = $$b(evt.target).closest('div.tools_flyout, .contextMenu').length;
+
         if (!islib) {
           $$b('.tools_flyout:visible,.contextMenu').fadeOut(250);
         }
       });
-
       overlay.bind('mousedown', function () {
         if (!button.hasClass('buttondown')) {
           // Margin must be reset in case it was changed before;
           list.css('margin-left', 0).show();
+
           if (!height) {
             height = list.height();
-          }
-          // Using custom animation as slideDown has annoying 'bounce effect'
+          } // Using custom animation as slideDown has annoying 'bounce effect'
+
+
           list.css('height', 0).animate({
             height: height
           }, 200);
@@ -28770,20 +31542,19 @@
         } else {
           list.fadeOut(200);
         }
+
         button.toggleClass('buttondown buttonup');
       }).hover(function () {
         onButton = true;
       }).mouseout(function () {
         onButton = false;
       });
+      var listItems = $$b('#main_menu li'); // Check if JS method of hovering needs to be used (Webkit bug)
 
-      var listItems = $$b('#main_menu li');
-
-      // Check if JS method of hovering needs to be used (Webkit bug)
       listItems.mouseover(function () {
         jsHover = $$b(this).css('background-color') === 'rgba(0, 0, 0, 0)';
-
         listItems.unbind('mouseover');
+
         if (jsHover) {
           listItems.mouseover(function () {
             this.style.backgroundColor = '#FFC';
@@ -28793,9 +31564,9 @@
           });
         }
       });
-    })();
-    // Made public for UI customization.
+    })(); // Made public for UI customization.
     // TODO: Group UI functions into a public editor.ui interface.
+
     /**
      * See {@link http://api.jquery.com/bind/#bind-eventType-eventData-handler}
      * @callback module:SVGEditor.DropDownCallback
@@ -28803,35 +31574,41 @@
      * @listens external:jQuery.Event
      * @returns {undefined|boolean} Calls `preventDefault()` and `stopPropagation()`
     */
+
     /**
      * @param {Element|string} elem DOM Element or selector
      * @param {module:SVGEditor.DropDownCallback} callback Mouseup callback
      * @param {boolean} dropUp
      * @returns {undefined}
     */
+
+
     editor.addDropDown = function (elem, callback, dropUp) {
       if (!$$b(elem).length) {
         return;
       } // Quit if called on non-existent element
+
+
       var button = $$b(elem).find('button');
       var list = $$b(elem).find('ul').attr('id', $$b(elem)[0].id + '-list');
+
       if (dropUp) {
         $$b(elem).addClass('dropup');
       } else {
         // Move list to place where it can overflow container
         $$b('#option_lists').append(list);
       }
-      list.find('li').bind('mouseup', callback);
 
+      list.find('li').bind('mouseup', callback);
       var onButton = false;
       $$b(window).mouseup(function (evt) {
         if (!onButton) {
           button.removeClass('down');
           list.hide();
         }
+
         onButton = false;
       });
-
       button.bind('mousedown', function () {
         if (!button.hasClass('down')) {
           if (!dropUp) {
@@ -28841,11 +31618,13 @@
               left: pos.left - 10
             });
           }
+
           list.show();
           onButton = true;
         } else {
           list.hide();
         }
+
         button.toggleClass('down');
       }).hover(function () {
         onButton = true;
@@ -28857,16 +31636,15 @@
     editor.addDropDown('#font_family_dropdown', function () {
       $$b('#font_family').val($$b(this).text()).change();
     });
-
     editor.addDropDown('#opacity_dropdown', function () {
       if ($$b(this).find('div').length) {
         return;
       }
+
       var perc = parseInt($$b(this).text().split('%')[0], 10);
       changeOpacity(false, perc);
-    }, true);
+    }, true); // For slider usage, see: http://jqueryui.com/demos/slider/
 
-    // For slider usage, see: http://jqueryui.com/demos/slider/
     $$b('#opac_slider').slider({
       start: function start() {
         $$b('#opacity_dropdown li:not(.special)').hide();
@@ -28879,9 +31657,7 @@
         changeOpacity(ui);
       }
     });
-
     editor.addDropDown('#blur_dropdown', $$b.noop);
-
     var slideStart = false;
     $$b('#blur_slider').slider({
       max: 10,
@@ -28899,30 +31675,34 @@
         changeBlur(ui, null, slideStart);
       }
     });
-
     editor.addDropDown('#zoom_dropdown', function () {
       var item = $$b(this);
       var val = item.data('val');
+
       if (val) {
         zoomChanged(window, val);
       } else {
-        changeZoom({ value: parseFloat(item.text()) });
+        changeZoom({
+          value: parseFloat(item.text())
+        });
       }
     }, true);
-
     addAltDropDown('#stroke_linecap', '#linecap_opts', function () {
       setStrokeOpt(this, true);
-    }, { dropUp: true });
-
+    }, {
+      dropUp: true
+    });
     addAltDropDown('#stroke_linejoin', '#linejoin_opts', function () {
       setStrokeOpt(this, true);
-    }, { dropUp: true });
-
+    }, {
+      dropUp: true
+    });
     addAltDropDown('#tool_position', '#position_opts', function () {
       var letter = this.id.replace('tool_pos', '').charAt(0);
       svgCanvas.alignSelectedElements(letter, 'page');
-    }, { multiclick: true });
-
+    }, {
+      multiclick: true
+    });
     /*
      When a flyout icon is selected
       (if flyout) {
@@ -28935,10 +31715,11 @@
       , else:
       - Just run its stuff
      */
-
     // Unfocus text input when workarea is mousedowned.
+
     (function () {
-      var inp = void 0;
+      var inp;
+
       var unfocus = function unfocus() {
         $$b(inp).blur();
       };
@@ -28949,8 +31730,8 @@
         workarea.mousedown(unfocus);
       }).blur(function () {
         uiContext = 'canvas';
-        workarea.unbind('mousedown', unfocus);
-        // Go back to selecting text if in textedit mode
+        workarea.unbind('mousedown', unfocus); // Go back to selecting text if in textedit mode
+
         if (svgCanvas.getMode() === 'textedit') {
           $$b('#text').focus();
         }
@@ -29020,8 +31801,8 @@
 
     var zoomImage = function zoomImage(multiplier) {
       var res = svgCanvas.getResolution();
-      multiplier = multiplier ? res.zoom * multiplier : 1;
-      // setResolution(res.w * multiplier, res.h * multiplier, true);
+      multiplier = multiplier ? res.zoom * multiplier : 1; // setResolution(res.w * multiplier, res.h * multiplier, true);
+
       $$b('#zoom').val(multiplier * 100);
       svgCanvas.setZoom(multiplier);
       zoomDone();
@@ -29045,10 +31826,10 @@
       if (toolButtonClick('#tool_path')) {
         svgCanvas.setMode('path');
       }
-    };
-
-    // Delete is a contextual tool that only appears in the ribbon if
+    }; // Delete is a contextual tool that only appears in the ribbon if
     // an element has been selected
+
+
     var deleteSelected = function deleteSelected() {
       if (selectedElement != null || multiselected) {
         svgCanvas.deleteSelectedElements();
@@ -29122,6 +31903,7 @@
           dx *= multi;
           dy *= multi;
         }
+
         svgCanvas.moveSelectedElements(dx, dy);
       }
     };
@@ -29167,20 +31949,23 @@
       if (selectedElement == null || multiselected) {
         return;
       }
+
       if (!cw) {
         step *= -1;
       }
+
       var angle = parseFloat($$b('#angle').val()) + step;
       svgCanvas.setRotationAngle(angle);
       updateContextPanel();
     };
-
     /**
      * @fires module:svgcanvas.SvgCanvas#event:ext-onNewDocument
      * @returns {undefined}
      */
+
+
     var clickClear = function clickClear() {
-      var _curConfig$dimensions = slicedToArray(curConfig.dimensions, 2),
+      var _curConfig$dimensions = _slicedToArray(curConfig.dimensions, 2),
           x = _curConfig$dimensions[0],
           y = _curConfig$dimensions[1];
 
@@ -29188,6 +31973,7 @@
         if (!ok) {
           return;
         }
+
         setSelectMode();
         svgCanvas.clear();
         svgCanvas.setResolution(x, y);
@@ -29221,38 +32007,49 @@
       svgCanvas.save(saveOpts);
     };
 
-    var loadingURL = void 0;
+    var loadingURL;
+
     var clickExport = function clickExport() {
-      $$b.select('Select an image type for export: ', [
-      // See http://kangax.github.io/jstests/toDataUrl_mime_type_test/ for a useful list of MIME types and browser support
+      $$b.select('Select an image type for export: ', [// See http://kangax.github.io/jstests/toDataUrl_mime_type_test/ for a useful list of MIME types and browser support
       // 'ICO', // Todo: Find a way to preserve transparency in SVG-Edit if not working presently and do full packaging for x-icon; then switch back to position after 'PNG'
-      'PNG', 'JPEG', 'BMP', 'WEBP', 'PDF'], function () {
-        var _ref15 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee5(imgType) {
+      'PNG', 'JPEG', 'BMP', 'WEBP', 'PDF'],
+      /*#__PURE__*/
+      function () {
+        var _ref15 = _asyncToGenerator(
+        /*#__PURE__*/
+        regeneratorRuntime.mark(function _callee5(imgType) {
           var exportWindowName, openExportWindow, chrome, quality;
           return regeneratorRuntime.wrap(function _callee5$(_context5) {
             while (1) {
               switch (_context5.prev = _context5.next) {
                 case 0:
-                  openExportWindow = function openExportWindow() {
+                  openExportWindow = function _ref16() {
                     var str = uiStrings$1.notification.loadingImage;
+
                     if (curConfig.exportWindowType === 'new') {
                       editor.exportWindowCt++;
                     }
+
                     exportWindowName = curConfig.canvasName + editor.exportWindowCt;
-                    var popHTML = void 0,
-                        popURL = void 0;
+                    var popHTML, popURL;
+
                     if (loadingURL) {
                       popURL = loadingURL;
                     } else {
-                      popHTML = '<!DOCTYPE html><html>\n            <head>\n              <meta charset="utf-8">\n              <title>' + str + '</title>\n            </head>\n            <body><h1>' + str + '</h1></body>\n          <html>';
+                      popHTML = "<!DOCTYPE html><html>\n            <head>\n              <meta charset=\"utf-8\">\n              <title>".concat(str, "</title>\n            </head>\n            <body><h1>").concat(str, "</h1></body>\n          <html>");
+
                       if (typeof URL !== 'undefined' && URL.createObjectURL) {
-                        var blob = new Blob([popHTML], { type: 'text/html' });
+                        var blob = new Blob([popHTML], {
+                          type: 'text/html'
+                        });
                         popURL = URL.createObjectURL(blob);
                       } else {
                         popURL = 'data:text/html;base64;charset=utf-8,' + encode64(popHTML);
                       }
+
                       loadingURL = popURL;
                     }
+
                     exportWindow = window.open(popURL, exportWindowName);
                   };
 
@@ -29261,60 +32058,62 @@
                     break;
                   }
 
-                  return _context5.abrupt('return');
+                  return _context5.abrupt("return");
 
                 case 3:
-                  // Open placeholder window (prevents popup)
-                  exportWindowName = void 0;
                   chrome = isChrome();
 
                   if (!(imgType === 'PDF')) {
-                    _context5.next = 10;
+                    _context5.next = 9;
                     break;
                   }
 
                   if (!customExportPDF && !chrome) {
                     openExportWindow();
                   }
+
                   svgCanvas.exportPDF(exportWindowName, chrome ? 'save' : undefined);
-                  _context5.next = 14;
+                  _context5.next = 13;
                   break;
 
-                case 10:
+                case 9:
                   if (!customExportImage) {
                     openExportWindow();
                   }
+
                   quality = parseInt($$b('#image-slider').val(), 10) / 100;
                   /* const results = */
-                  _context5.next = 14;
+
+                  _context5.next = 13;
                   return svgCanvas.rasterExport(imgType, quality, exportWindowName);
 
-                case 14:
-                case 'end':
+                case 13:
+                case "end":
                   return _context5.stop();
               }
             }
           }, _callee5, this);
         }));
 
-        return function (_x5) {
+        return function (_x3) {
           return _ref15.apply(this, arguments);
         };
       }(), function () {
         var sel = $$b(this);
+
         if (sel.val() === 'JPEG' || sel.val() === 'WEBP') {
           if (!$$b('#image-slider').length) {
-            $$b('<div><label>' + uiStrings$1.ui.quality + '\n              <input id="image-slider"\n                type="range" min="1" max="100" value="92" />\n            </label></div>').appendTo(sel.parent());
+            $$b("<div><label>".concat(uiStrings$1.ui.quality, "\n              <input id=\"image-slider\"\n                type=\"range\" min=\"1\" max=\"100\" value=\"92\" />\n            </label></div>")).appendTo(sel.parent());
           }
         } else {
           $$b('#image-slider').parent().remove();
         }
       });
-    };
-
-    // by default, svgCanvas.open() is a no-op.
+    }; // by default, svgCanvas.open() is a no-op.
     // it is up to an extension mechanism (opera widget, etc)
     // to call setCustomHandlers() which will make it do something
+
+
     var clickOpen = function clickOpen() {
       svgCanvas.open();
     };
@@ -29338,8 +32137,7 @@
     var clickGroup = function clickGroup() {
       // group
       if (multiselected) {
-        svgCanvas.groupSelectedElements();
-        // ungroup
+        svgCanvas.groupSelectedElements(); // ungroup
       } else if (selectedElement) {
         svgCanvas.ungroupSelectedElement();
       }
@@ -29361,9 +32159,12 @@
       if (supportsNonSS) {
         return;
       }
+
       var wfRules = $$b('#wireframe_rules');
+
       if (!wfRules.length) {
-        /* wfRules = */$$b('<style id="wireframe_rules"></style>').appendTo('head');
+        /* wfRules = */
+        $$b('<style id="wireframe_rules"></style>').appendTo('head');
       } else {
         wfRules.empty();
       }
@@ -29375,7 +32176,6 @@
       cancel: 'button,fieldset',
       containment: 'window'
     }).css('position', 'absolute');
-
     var docprops = false;
     var preferences = false;
 
@@ -29383,13 +32183,13 @@
       if (docprops) {
         return;
       }
-      docprops = true;
 
-      // This selects the correct radio button by using the array notation
-      $$b('#image_save_opts input').val([$$b.pref('img_save')]);
+      docprops = true; // This selects the correct radio button by using the array notation
+
+      $$b('#image_save_opts input').val([$$b.pref('img_save')]); // update resolution option with actual resolution
 
-      // update resolution option with actual resolution
       var res = svgCanvas.getResolution();
+
       if (curConfig.baseUnit !== 'px') {
         res.w = convertUnit(res.w) + curConfig.baseUnit;
         res.h = convertUnit(res.h) + curConfig.baseUnit;
@@ -29398,7 +32198,6 @@
       $$b('#canvas_width').val(res.w);
       $$b('#canvas_height').val(res.h);
       $$b('#canvas_title').val(svgCanvas.getDocumentTitle());
-
       $$b('#svg_docprops').show();
     };
 
@@ -29406,10 +32205,10 @@
       if (preferences) {
         return;
       }
-      preferences = true;
-      $$b('#main_menu').hide();
 
-      // Update background color with current one
+      preferences = true;
+      $$b('#main_menu').hide(); // Update background color with current one
+
       var blocks = $$b('#bg_blocks div');
       var curBg = 'cur_background';
       var canvasBg = curPrefs.bkgd_color;
@@ -29418,20 +32217,23 @@
         var blk = $$b(this);
         var isBg = blk.css('background-color') === canvasBg;
         blk.toggleClass(curBg, isBg);
+
         if (isBg) {
           $$b('#canvas_bg_url').removeClass(curBg);
         }
       });
+
       if (!canvasBg) {
         blocks.eq(0).addClass(curBg);
       }
+
       if (url) {
         $$b('#canvas_bg_url').val(url);
       }
+
       $$b('#grid_snapping_on').prop('checked', curConfig.gridSnapping);
       $$b('#grid_snapping_step').attr('value', curConfig.snappingStep);
       $$b('#grid_color').attr('value', curConfig.gridColor);
-
       $$b('#svg_prefs').show();
     };
 
@@ -29460,11 +32262,13 @@
           if (!ok) {
             return false;
           }
+
           saveChanges();
         });
       } else {
         saveChanges();
       }
+
       setSelectMode();
     };
 
@@ -29485,9 +32289,8 @@
       // set title
       var newTitle = $$b('#canvas_title').val();
       updateTitle(newTitle);
-      svgCanvas.setDocumentTitle(newTitle);
+      svgCanvas.setDocumentTitle(newTitle); // update resolution
 
-      // update resolution
       var width = $$b('#canvas_width'),
           w = width.val();
       var height = $$b('#canvas_height'),
@@ -29512,47 +32315,46 @@
       if (!svgCanvas.setResolution(w, h)) {
         $$b.alert(uiStrings$1.notification.noContentToFitTo);
         return false;
-      }
+      } // Set image save option
+
 
-      // Set image save option
       $$b.pref('img_save', $$b('#image_save_opts :checked').val());
       updateCanvas();
       hideDocProperties();
     };
-
     /**
     * Save user preferences based on current values in the UI
     * @function module:SVGEditor.savePreferences
     * @returns {undefined}
     */
+
+
     var savePreferences = editor.savePreferences = function () {
       // Set background
       var color = $$b('#bg_blocks div.cur_background').css('background-color') || '#FFF';
-      setBackground(color, $$b('#canvas_bg_url').val());
+      setBackground(color, $$b('#canvas_bg_url').val()); // set language
 
-      // set language
       var lang = $$b('#lang_select').val();
+
       if (lang !== $$b.pref('lang')) {
         editor.putLocale(lang, goodLangs, curConfig);
-      }
+      } // set icon size
 
-      // set icon size
-      setIconSize($$b('#iconsize').val());
 
-      // set grid setting
+      setIconSize($$b('#iconsize').val()); // set grid setting
+
       curConfig.gridSnapping = $$b('#grid_snapping_on')[0].checked;
       curConfig.snappingStep = $$b('#grid_snapping_step').val();
       curConfig.gridColor = $$b('#grid_color').val();
       curConfig.showRulers = $$b('#show_rulers')[0].checked;
-
       $$b('#rulers').toggle(curConfig.showRulers);
+
       if (curConfig.showRulers) {
         updateRulers();
       }
+
       curConfig.baseUnit = $$b('#base_unit').val();
-
       svgCanvas.setConfig(curConfig);
-
       updateCanvas();
       hidePreferences();
     };
@@ -29561,10 +32363,12 @@
 
     var cancelOverlays = function cancelOverlays() {
       $$b('#dialog_box').hide();
+
       if (!editingsource && !docprops && !preferences) {
         if (curContext) {
           svgCanvas.leaveContext();
         }
+
         return;
       }
 
@@ -29583,12 +32387,15 @@
       } else if (preferences) {
         hidePreferences();
       }
+
       resetScrollPos();
     };
 
-    var winWh = { width: $$b(window).width(), height: $$b(window).height() };
+    var winWh = {
+      width: $$b(window).width(),
+      height: $$b(window).height()
+    }; // Fix for Issue 781: Drawing area jumps to top-left corner on window resize (IE9)
 
-    // Fix for Issue 781: Drawing area jumps to top-left corner on window resize (IE9)
     if (isIE()) {
       (function () {
         resetScrollPos = function resetScrollPos() {
@@ -29602,7 +32409,6 @@
           left: workarea[0].scrollLeft,
           top: workarea[0].scrollTop
         };
-
         $$b(window).resize(resetScrollPos);
         editor.ready(function () {
           // TODO: Find better way to detect when to do this to minimize
@@ -29611,7 +32417,6 @@
             resetScrollPos();
           }, 500);
         });
-
         workarea.scroll(function () {
           curScrollPos = {
             left: workarea[0].scrollLeft,
@@ -29636,6 +32441,7 @@
         if ($$b('#ruler_x').length) {
           $$b('#ruler_x')[0].scrollLeft = workarea[0].scrollLeft;
         }
+
         if ($$b('#ruler_y').length) {
           $$b('#ruler_y')[0].scrollTop = workarea[0].scrollTop;
         }
@@ -29645,27 +32451,21 @@
     $$b('#url_notice').click(function () {
       $$b.alert(this.title);
     });
-
-    $$b('#change_image_url').click(promptImgURL);
-
-    // added these event handlers for all the push buttons so they
+    $$b('#change_image_url').click(promptImgURL); // added these event handlers for all the push buttons so they
     // behave more like buttons being pressed-in and not images
+
     (function () {
       var toolnames = ['clear', 'open', 'save', 'source', 'delete', 'delete_multi', 'paste', 'clone', 'clone_multi', 'move_top', 'move_bottom'];
       var curClass = 'tool_button_current';
-
       var allTools = '';
-
       $$b.each(toolnames, function (i, item) {
         allTools += (i ? ',' : '') + '#tool_' + item;
       });
-
       $$b(allTools).mousedown(function () {
         $$b(this).addClass(curClass);
       }).bind('mousedown mouseout', function () {
         $$b(this).removeClass(curClass);
       });
-
       $$b('#tool_undo, #tool_redo').mousedown(function () {
         if (!$$b(this).hasClass('disabled')) {
           $$b(this).addClass(curClass);
@@ -29673,42 +32473,49 @@
       }).bind('mousedown mouseout', function () {
         $$b(this).removeClass(curClass);
       });
-    })();
-
-    // switch modifier key in tooltips if mac
+    })(); // switch modifier key in tooltips if mac
     // NOTE: This code is not used yet until I can figure out how to successfully bind ctrl/meta
     // in Opera and Chrome
+
+
     if (isMac() && !window.opera) {
       var shortcutButtons = ['tool_clear', 'tool_save', 'tool_source', 'tool_undo', 'tool_redo', 'tool_clone'];
       var _i2 = shortcutButtons.length;
+
       while (_i2--) {
         var button = document.getElementById(shortcutButtons[_i2]);
+
         if (button) {
           var title = button.title;
-
           var index = title.indexOf('Ctrl+');
           button.title = [title.substr(0, index), 'Cmd+', title.substr(index + 5)].join('');
         }
       }
-    }
-
-    // TODO: go back to the color boxes having white background-color and then setting
+    } // TODO: go back to the color boxes having white background-color and then setting
     //  background-image to none.png (otherwise partially transparent gradients look weird)
+
+
     var colorPicker = function colorPicker(elem) {
-      var picker = elem.attr('id') === 'stroke_color' ? 'stroke' : 'fill';
-      // const opacity = (picker == 'stroke' ? $('#stroke_opacity') : $('#fill_opacity'));
-      var title = picker === 'stroke' ? uiStrings$1.ui.pick_stroke_paint_opacity : uiStrings$1.ui.pick_fill_paint_opacity;
-      // let wasNone = false; // Currently unused
+      var picker = elem.attr('id') === 'stroke_color' ? 'stroke' : 'fill'; // const opacity = (picker == 'stroke' ? $('#stroke_opacity') : $('#fill_opacity'));
+
+      var title = picker === 'stroke' ? uiStrings$1.ui.pick_stroke_paint_opacity : uiStrings$1.ui.pick_fill_paint_opacity; // let wasNone = false; // Currently unused
+
       var pos = elem.offset();
       var paint = paintBox[picker].paint;
-
       $$b('#color_picker').draggable({
         cancel: '.jGraduate_tabs, .jGraduate_colPick, .jGraduate_gradPick, .jPicker',
         containment: 'window'
-      }).css(curConfig.colorPickerCSS || { left: pos.left - 140, bottom: 40 }).jGraduate({
+      }).css(curConfig.colorPickerCSS || {
+        left: pos.left - 140,
+        bottom: 40
+      }).jGraduate({
         paint: paint,
-        window: { pickerTitle: title },
-        images: { clientPath: curConfig.jGraduatePath },
+        window: {
+          pickerTitle: title
+        },
+        images: {
+          clientPath: curConfig.jGraduatePath
+        },
         newstop: 'inverse'
       }, function (p) {
         paint = new $$b.jGraduate.Paint(p);
@@ -29721,33 +32528,32 @@
     };
 
     var PaintBox = function PaintBox(container, type) {
-      var paintColor = void 0,
-          paintOpacity = void 0;
-      var cur = curConfig[type === 'fill' ? 'initFill' : 'initStroke'];
-      // set up gradients to be used for the buttons
-      var svgdocbox = new DOMParser().parseFromString('<svg xmlns="http://www.w3.org/2000/svg">\n        <rect width="16.5" height="16.5"\n          fill="#' + cur.color + '" opacity="' + cur.opacity + '"/>\n        <defs><linearGradient id="gradbox_"/></defs>\n      </svg>', 'text/xml');
+      var paintColor, paintOpacity;
+      var cur = curConfig[type === 'fill' ? 'initFill' : 'initStroke']; // set up gradients to be used for the buttons
 
+      var svgdocbox = new DOMParser().parseFromString("<svg xmlns=\"http://www.w3.org/2000/svg\">\n        <rect width=\"16.5\" height=\"16.5\"\n          fill=\"#".concat(cur.color, "\" opacity=\"").concat(cur.opacity, "\"/>\n        <defs><linearGradient id=\"gradbox_\"/></defs>\n      </svg>"), 'text/xml');
       var docElem = svgdocbox.documentElement;
       docElem = $$b(container)[0].appendChild(document.importNode(docElem, true));
       docElem.setAttribute('width', 16.5);
-
       this.rect = docElem.firstElementChild;
       this.defs = docElem.getElementsByTagName('defs')[0];
       this.grad = this.defs.firstElementChild;
-      this.paint = new $$b.jGraduate.Paint({ solidColor: cur.color });
+      this.paint = new $$b.jGraduate.Paint({
+        solidColor: cur.color
+      });
       this.type = type;
 
       this.setPaint = function (paint, apply) {
         this.paint = paint;
-
         var ptype = paint.type;
         var opac = paint.alpha / 100;
-
         var fillAttr = 'none';
+
         switch (ptype) {
           case 'solidColor':
             fillAttr = paint[ptype] !== 'none' ? '#' + paint[ptype] : paint[ptype];
             break;
+
           case 'linearGradient':
           case 'radialGradient':
             this.grad.remove();
@@ -29780,15 +32586,17 @@
             // These elements don't have fill or stroke, so don't change
             // the current value
             return;
+
           case 'g':
           case 'a':
             {
               var childs = selectedElement.getElementsByTagName('*');
-
               var gPaint = null;
+
               for (var _i3 = 0, len = childs.length; _i3 < len; _i3++) {
                 var elem = childs[_i3];
                 var p = elem.getAttribute(type);
+
                 if (_i3 === 0) {
                   gPaint = p;
                 } else if (gPaint !== p) {
@@ -29802,11 +32610,15 @@
                 paintColor = null;
                 return;
               }
+
               paintColor = gPaint;
               paintOpacity = 1;
               break;
-            }default:
+            }
+
+          default:
             paintOpacity = parseFloat(selectedElement.getAttribute(type + '-opacity'));
+
             if (isNaN(paintOpacity)) {
               paintOpacity = 1.0;
             }
@@ -29821,9 +32633,8 @@
         }
 
         paintOpacity *= 100;
+        var paint = getPaint(paintColor, paintOpacity, type); // update the rect inside #fill_color/#stroke_color
 
-        var paint = getPaint(paintColor, paintOpacity, type);
-        // update the rect inside #fill_color/#stroke_color
         this.setPaint(paint);
       };
 
@@ -29833,7 +32644,9 @@
         switch (ptype) {
           case 'linearGradient':
           case 'radialGradient':
-            var paint = new $$b.jGraduate.Paint({ copy: this.paint });
+            var paint = new $$b.jGraduate.Paint({
+              copy: this.paint
+            });
             svgCanvas.setPaint(type, paint);
             break;
         }
@@ -29842,36 +32655,37 @@
 
     paintBox.fill = new PaintBox('#fill_color', 'fill');
     paintBox.stroke = new PaintBox('#stroke_color', 'stroke');
-
     $$b('#stroke_width').val(curConfig.initStroke.width);
-    $$b('#group_opacity').val(curConfig.initOpacity * 100);
+    $$b('#group_opacity').val(curConfig.initOpacity * 100); // Use this SVG elem to test vectorEffect support
 
-    // Use this SVG elem to test vectorEffect support
     var testEl = paintBox.fill.rect.cloneNode(false);
     testEl.setAttribute('style', 'vector-effect:non-scaling-stroke');
     var supportsNonSS = testEl.style.vectorEffect === 'non-scaling-stroke';
     testEl.removeAttribute('style');
-    var svgdocbox = paintBox.fill.rect.ownerDocument;
-    // Use this to test support for blur element. Seems to work to test support in Webkit
+    var svgdocbox = paintBox.fill.rect.ownerDocument; // Use this to test support for blur element. Seems to work to test support in Webkit
+
     var blurTest = svgdocbox.createElementNS(NS.SVG, 'feGaussianBlur');
+
     if (blurTest.stdDeviationX === undefined) {
       $$b('#tool_blur').hide();
     }
-    $$b(blurTest).remove();
 
-    // Test for zoom icon support
+    $$b(blurTest).remove(); // Test for zoom icon support
+
     (function () {
       var pre = '-' + uaPrefix.toLowerCase() + '-zoom-';
       var zoom = pre + 'in';
       workarea.css('cursor', zoom);
+
       if (workarea.css('cursor') === zoom) {
         zoomInIcon = zoom;
         zoomOutIcon = pre + 'out';
       }
-      workarea.css('cursor', 'auto');
-    })();
 
-    // Test for embedImage support (use timeout to not interfere with page load)
+      workarea.css('cursor', 'auto');
+    })(); // Test for embedImage support (use timeout to not interfere with page load)
+
+
     setTimeout(function () {
       svgCanvas.embedImage('images/logo.png', function (datauri) {
         if (!datauri) {
@@ -29883,32 +32697,26 @@
         }
       });
     }, 1000);
-
     $$b('#fill_color, #tool_fill .icon_label').click(function () {
       colorPicker($$b('#fill_color'));
       updateToolButtonState();
     });
-
     $$b('#stroke_color, #tool_stroke .icon_label').click(function () {
       colorPicker($$b('#stroke_color'));
       updateToolButtonState();
     });
-
     $$b('#group_opacityLabel').click(function () {
       $$b('#opacity_dropdown button').mousedown();
       $$b(window).mouseup();
     });
-
     $$b('#zoomLabel').click(function () {
       $$b('#zoom_dropdown button').mousedown();
       $$b(window).mouseup();
     });
-
     $$b('#tool_move_top').mousedown(function (evt) {
       $$b('#tools_stacking').show();
       evt.preventDefault();
     });
-
     $$b('.layer_button').mousedown(function () {
       $$b(this).addClass('layer_buttonpressed');
     }).mouseout(function () {
@@ -29916,7 +32724,6 @@
     }).mouseup(function () {
       $$b(this).removeClass('layer_buttonpressed');
     });
-
     $$b('.push_button').mousedown(function () {
       if (!$$b(this).hasClass('disabled')) {
         $$b(this).addClass('push_button_pressed').removeClass('push_button');
@@ -29925,12 +32732,12 @@
       $$b(this).removeClass('push_button_pressed').addClass('push_button');
     }).mouseup(function () {
       $$b(this).removeClass('push_button_pressed').addClass('push_button');
-    });
+    }); // ask for a layer name
 
-    // ask for a layer name
     $$b('#layer_new').click(function () {
-      var uniqName = void 0,
+      var uniqName,
           i = svgCanvas.getCurrentDrawing().getNumLayers();
+
       do {
         uniqName = uiStrings$1.layers.layer + ' ' + ++i;
       } while (svgCanvas.getCurrentDrawing().hasLayer(uniqName));
@@ -29939,10 +32746,12 @@
         if (!newName) {
           return;
         }
+
         if (svgCanvas.getCurrentDrawing().hasLayer(newName)) {
           $$b.alert(uiStrings$1.notification.dupeLayerName);
           return;
         }
+
         svgCanvas.createLayer(newName);
         updateContextPanel();
         populateLayers();
@@ -29952,10 +32761,10 @@
     function deleteLayer() {
       if (svgCanvas.deleteCurrentLayer()) {
         updateContextPanel();
-        populateLayers();
-        // This matches what SvgCanvas does
+        populateLayers(); // This matches what SvgCanvas does
         // TODO: make this behavior less brittle (svg-editor should get which
         // layer is selected from the canvas and then select that one in the UI)
+
         $$b('#layerlist tr.layer').removeClass('layersel');
         $$b('#layerlist tr.layer:first').addClass('layersel');
       }
@@ -29963,15 +32772,16 @@
 
     function cloneLayer() {
       var name = svgCanvas.getCurrentDrawing().getCurrentLayerName() + ' copy';
-
       $$b.prompt(uiStrings$1.notification.enterUniqueLayerName, name, function (newName) {
         if (!newName) {
           return;
         }
+
         if (svgCanvas.getCurrentDrawing().hasLayer(newName)) {
           $$b.alert(uiStrings$1.notification.dupeLayerName);
           return;
         }
+
         svgCanvas.cloneLayer(newName);
         updateContextPanel();
         populateLayers();
@@ -29982,6 +32792,7 @@
       if ($$b('#layerlist tr.layersel').index() === svgCanvas.getCurrentDrawing().getNumLayers() - 1) {
         return;
       }
+
       svgCanvas.mergeLayer();
       updateContextPanel();
       populateLayers();
@@ -29989,8 +32800,8 @@
 
     function moveLayer(pos) {
       var total = svgCanvas.getCurrentDrawing().getNumLayers();
-
       var curIndex = $$b('#layerlist tr.layersel').index();
+
       if (curIndex > 0 || curIndex < total - 1) {
         curIndex += pos;
         svgCanvas.setCurrentLayerPosition(total - curIndex - 1);
@@ -29999,15 +32810,12 @@
     }
 
     $$b('#layer_delete').click(deleteLayer);
-
     $$b('#layer_up').click(function () {
       moveLayer(-1);
     });
-
     $$b('#layer_down').click(function () {
       moveLayer(1);
     });
-
     $$b('#layer_rename').click(function () {
       // const curIndex = $('#layerlist tr.layersel').prevAll().length; // Currently unused
       var oldName = $$b('#layerlist tr.layersel td.layername').text();
@@ -30015,6 +32823,7 @@
         if (!newName) {
           return;
         }
+
         if (oldName === newName || svgCanvas.getCurrentDrawing().hasLayer(newName)) {
           $$b.alert(uiStrings$1.notification.layerHasThatName);
           return;
@@ -30024,18 +32833,17 @@
         populateLayers();
       });
     });
-
     var SIDEPANEL_MAXWIDTH = 300;
     var SIDEPANEL_OPENWIDTH = 150;
     var sidedrag = -1,
         sidedragging = false,
         allowmove = false;
-
     /**
      * @param {Float} delta
      * @fires module:svgcanvas.SvgCanvas#event:ext-workareaResized
      * @returns {undefined}
      */
+
     var changeSidePanelWidth = function changeSidePanelWidth(delta) {
       var rulerX = $$b('#ruler_x');
       $$b('#sidepanels').width('+=' + delta);
@@ -30049,31 +32857,35 @@
       if (!allowmove) {
         return;
       }
+
       if (sidedrag === -1) {
         return;
       }
+
       sidedragging = true;
       var deltaX = sidedrag - evt.pageX;
       var sideWidth = $$b('#sidepanels').width();
+
       if (sideWidth + deltaX > SIDEPANEL_MAXWIDTH) {
-        deltaX = SIDEPANEL_MAXWIDTH - sideWidth;
-        // sideWidth = SIDEPANEL_MAXWIDTH;
+        deltaX = SIDEPANEL_MAXWIDTH - sideWidth; // sideWidth = SIDEPANEL_MAXWIDTH;
       } else if (sideWidth + deltaX < 2) {
-        deltaX = 2 - sideWidth;
-        // sideWidth = 2;
+        deltaX = 2 - sideWidth; // sideWidth = 2;
       }
+
       if (deltaX === 0) {
         return;
       }
+
       sidedrag -= deltaX;
       changeSidePanelWidth(deltaX);
     };
-
     /**
      * If width is non-zero, then fully close it, otherwise fully open it
      * @param {boolean} close Forces the side panel closed
      * @returns {undefined}
      */
+
+
     var toggleSidePanel = function toggleSidePanel(close) {
       var w = $$b('#sidepanels').width();
       var deltaX = (w > 2 || close ? 2 : SIDEPANEL_OPENWIDTH) - w;
@@ -30083,8 +32895,8 @@
     $$b('#sidepanel_handle').mousedown(function (evt) {
       sidedrag = evt.pageX;
       $$b(window).mousemove(resizeSidePanel);
-      allowmove = false;
-      // Silly hack for Chrome, which always runs mousemove right after mousedown
+      allowmove = false; // Silly hack for Chrome, which always runs mousemove right after mousedown
+
       setTimeout(function () {
         allowmove = true;
       }, 20);
@@ -30092,19 +32904,16 @@
       if (!sidedragging) {
         toggleSidePanel();
       }
+
       sidedrag = -1;
       sidedragging = false;
     });
-
     $$b(window).mouseup(function () {
       sidedrag = -1;
       sidedragging = false;
       $$b('#svg_editor').unbind('mousemove', resizeSidePanel);
     });
-
-    populateLayers();
-
-    // function changeResolution (x,y) {
+    populateLayers(); // function changeResolution (x,y) {
     //   const {zoom} = svgCanvas.getResolution();
     //   setResolution(x * zoom, y * zoom);
     // }
@@ -30120,6 +32929,7 @@
       var origVal = Number(elem.value);
       var sugVal = origVal + step;
       var increasing = sugVal >= origVal;
+
       if (step === 0) {
         return origVal;
       }
@@ -30128,23 +32938,30 @@
         if (increasing) {
           return Math.round(origVal * 1.1);
         }
+
         return Math.round(origVal / 1.1);
       }
+
       if (origVal <= 1) {
         if (increasing) {
           return origVal * 2;
         }
+
         return origVal / 2;
       }
+
       return sugVal;
     }
 
     function stepZoom(elem, step) {
       var origVal = Number(elem.value);
+
       if (origVal === 0) {
         return 100;
       }
+
       var sugVal = origVal + step;
+
       if (step === 0) {
         return origVal;
       }
@@ -30152,13 +32969,13 @@
       if (origVal >= 100) {
         return sugVal;
       }
+
       if (sugVal >= origVal) {
         return origVal * 2;
       }
-      return origVal / 2;
-    }
 
-    // function setResolution (w, h, center) {
+      return origVal / 2;
+    } // function setResolution (w, h, center) {
     //   updateCanvas();
     //   // w -= 0; h -= 0;
     //   // $('#svgcanvas').css({width: w, height: h});
@@ -30174,8 +32991,10 @@
     //   // }
     // }
 
+
     $$b('#resolution').change(function () {
       var wh = $$b('#canvas_width,#canvas_height');
+
       if (!this.selectedIndex) {
         if ($$b('#canvas_width').val() === 'fit') {
           wh.removeAttr('disabled').val(100);
@@ -30188,15 +33007,14 @@
         $$b('#canvas_height').val(dims[1]);
         wh.removeAttr('disabled');
       }
-    });
+    }); // Prevent browser from erroneously repopulating fields
 
-    // Prevent browser from erroneously repopulating fields
     $$b('input,select').attr('autocomplete', 'off');
-
     /**
      * Associate all button actions as well as non-button keyboard shortcuts
      * @namespace {PlainObject} module:SVGEditor~Actions
      */
+
     var Actions = function () {
       /**
       * @typedef {PlainObject} module:SVGEditor.ToolButton
@@ -30209,218 +33027,508 @@
       * @property {string} [icon] The button ID
       * @property {boolean} isDefault For flyout holders
       */
+
       /**
        *
        * @name module:SVGEditor~ToolButtons
        * @type {module:SVGEditor.ToolButton[]}
        */
-      var toolButtons = [{ sel: '#tool_select', fn: clickSelect, evt: 'click', key: ['V', true] }, { sel: '#tool_fhpath', fn: clickFHPath, evt: 'click', key: ['Q', true] }, { sel: '#tool_line', fn: clickLine, evt: 'click', key: ['L', true], parent: '#tools_line', prepend: true }, { sel: '#tool_rect', fn: clickRect, evt: 'mouseup',
-        key: ['R', true], parent: '#tools_rect', icon: 'rect' }, { sel: '#tool_square', fn: clickSquare, evt: 'mouseup',
-        parent: '#tools_rect', icon: 'square' }, { sel: '#tool_fhrect', fn: clickFHRect, evt: 'mouseup',
-        parent: '#tools_rect', icon: 'fh_rect' }, { sel: '#tool_ellipse', fn: clickEllipse, evt: 'mouseup',
-        key: ['E', true], parent: '#tools_ellipse', icon: 'ellipse' }, { sel: '#tool_circle', fn: clickCircle, evt: 'mouseup',
-        parent: '#tools_ellipse', icon: 'circle' }, { sel: '#tool_fhellipse', fn: clickFHEllipse, evt: 'mouseup',
-        parent: '#tools_ellipse', icon: 'fh_ellipse' }, { sel: '#tool_path', fn: clickPath, evt: 'click', key: ['P', true] }, { sel: '#tool_text', fn: clickText, evt: 'click', key: ['T', true] }, { sel: '#tool_image', fn: clickImage, evt: 'mouseup' }, { sel: '#tool_zoom', fn: clickZoom, evt: 'mouseup', key: ['Z', true] }, { sel: '#tool_clear', fn: clickClear, evt: 'mouseup', key: ['N', true] }, { sel: '#tool_save', fn: function fn() {
+      var toolButtons = [{
+        sel: '#tool_select',
+        fn: clickSelect,
+        evt: 'click',
+        key: ['V', true]
+      }, {
+        sel: '#tool_fhpath',
+        fn: clickFHPath,
+        evt: 'click',
+        key: ['Q', true]
+      }, {
+        sel: '#tool_line',
+        fn: clickLine,
+        evt: 'click',
+        key: ['L', true],
+        parent: '#tools_line',
+        prepend: true
+      }, {
+        sel: '#tool_rect',
+        fn: clickRect,
+        evt: 'mouseup',
+        key: ['R', true],
+        parent: '#tools_rect',
+        icon: 'rect'
+      }, {
+        sel: '#tool_square',
+        fn: clickSquare,
+        evt: 'mouseup',
+        parent: '#tools_rect',
+        icon: 'square'
+      }, {
+        sel: '#tool_fhrect',
+        fn: clickFHRect,
+        evt: 'mouseup',
+        parent: '#tools_rect',
+        icon: 'fh_rect'
+      }, {
+        sel: '#tool_ellipse',
+        fn: clickEllipse,
+        evt: 'mouseup',
+        key: ['E', true],
+        parent: '#tools_ellipse',
+        icon: 'ellipse'
+      }, {
+        sel: '#tool_circle',
+        fn: clickCircle,
+        evt: 'mouseup',
+        parent: '#tools_ellipse',
+        icon: 'circle'
+      }, {
+        sel: '#tool_fhellipse',
+        fn: clickFHEllipse,
+        evt: 'mouseup',
+        parent: '#tools_ellipse',
+        icon: 'fh_ellipse'
+      }, {
+        sel: '#tool_path',
+        fn: clickPath,
+        evt: 'click',
+        key: ['P', true]
+      }, {
+        sel: '#tool_text',
+        fn: clickText,
+        evt: 'click',
+        key: ['T', true]
+      }, {
+        sel: '#tool_image',
+        fn: clickImage,
+        evt: 'mouseup'
+      }, {
+        sel: '#tool_zoom',
+        fn: clickZoom,
+        evt: 'mouseup',
+        key: ['Z', true]
+      }, {
+        sel: '#tool_clear',
+        fn: clickClear,
+        evt: 'mouseup',
+        key: ['N', true]
+      }, {
+        sel: '#tool_save',
+        fn: function fn() {
           if (editingsource) {
             saveSourceEditor();
           } else {
             clickSave();
           }
         },
-        evt: 'mouseup', key: ['S', true] }, { sel: '#tool_export', fn: clickExport, evt: 'mouseup' }, { sel: '#tool_open', fn: clickOpen, evt: 'mouseup', key: ['O', true] }, { sel: '#tool_import', fn: clickImport, evt: 'mouseup' }, { sel: '#tool_source', fn: showSourceEditor, evt: 'click', key: ['U', true] }, { sel: '#tool_wireframe', fn: clickWireframe, evt: 'click', key: ['F', true] }, { sel: '#tool_source_cancel,.overlay,#tool_docprops_cancel,#tool_prefs_cancel',
-        fn: cancelOverlays, evt: 'click', key: ['esc', false, false], hidekey: true }, { sel: '#tool_source_save', fn: saveSourceEditor, evt: 'click' }, { sel: '#tool_docprops_save', fn: saveDocProperties, evt: 'click' }, { sel: '#tool_docprops', fn: showDocProperties, evt: 'mouseup' }, { sel: '#tool_prefs_save', fn: savePreferences, evt: 'click' }, { sel: '#tool_prefs_option', fn: function fn() {
-          showPreferences();return false;
+        evt: 'mouseup',
+        key: ['S', true]
+      }, {
+        sel: '#tool_export',
+        fn: clickExport,
+        evt: 'mouseup'
+      }, {
+        sel: '#tool_open',
+        fn: clickOpen,
+        evt: 'mouseup',
+        key: ['O', true]
+      }, {
+        sel: '#tool_import',
+        fn: clickImport,
+        evt: 'mouseup'
+      }, {
+        sel: '#tool_source',
+        fn: showSourceEditor,
+        evt: 'click',
+        key: ['U', true]
+      }, {
+        sel: '#tool_wireframe',
+        fn: clickWireframe,
+        evt: 'click',
+        key: ['F', true]
+      }, {
+        sel: '#tool_source_cancel,.overlay,#tool_docprops_cancel,#tool_prefs_cancel',
+        fn: cancelOverlays,
+        evt: 'click',
+        key: ['esc', false, false],
+        hidekey: true
+      }, {
+        sel: '#tool_source_save',
+        fn: saveSourceEditor,
+        evt: 'click'
+      }, {
+        sel: '#tool_docprops_save',
+        fn: saveDocProperties,
+        evt: 'click'
+      }, {
+        sel: '#tool_docprops',
+        fn: showDocProperties,
+        evt: 'mouseup'
+      }, {
+        sel: '#tool_prefs_save',
+        fn: savePreferences,
+        evt: 'click'
+      }, {
+        sel: '#tool_prefs_option',
+        fn: function fn() {
+          showPreferences();
+          return false;
         },
-        evt: 'mouseup' }, { sel: '#tool_delete,#tool_delete_multi', fn: deleteSelected,
-        evt: 'click', key: ['del/backspace', true] }, { sel: '#tool_reorient', fn: reorientPath, evt: 'click' }, { sel: '#tool_node_link', fn: linkControlPoints, evt: 'click' }, { sel: '#tool_node_clone', fn: clonePathNode, evt: 'click' }, { sel: '#tool_node_delete', fn: deletePathNode, evt: 'click' }, { sel: '#tool_openclose_path', fn: opencloseSubPath, evt: 'click' }, { sel: '#tool_add_subpath', fn: addSubPath, evt: 'click' }, { sel: '#tool_move_top', fn: moveToTopSelected, evt: 'click', key: 'ctrl+shift+]' }, { sel: '#tool_move_bottom', fn: moveToBottomSelected, evt: 'click', key: 'ctrl+shift+[' }, { sel: '#tool_topath', fn: convertToPath$$1, evt: 'click' }, { sel: '#tool_make_link,#tool_make_link_multi', fn: makeHyperlink, evt: 'click' }, { sel: '#tool_undo', fn: clickUndo, evt: 'click' }, { sel: '#tool_redo', fn: clickRedo, evt: 'click' }, { sel: '#tool_clone,#tool_clone_multi', fn: clickClone, evt: 'click', key: ['D', true] }, { sel: '#tool_group_elements', fn: clickGroup, evt: 'click', key: ['G', true] }, { sel: '#tool_ungroup', fn: clickGroup, evt: 'click' }, { sel: '#tool_unlink_use', fn: clickGroup, evt: 'click' }, { sel: '[id^=tool_align]', fn: clickAlign, evt: 'click' },
-      // these two lines are required to make Opera work properly with the flyout mechanism
+        evt: 'mouseup'
+      }, {
+        sel: '#tool_delete,#tool_delete_multi',
+        fn: deleteSelected,
+        evt: 'click',
+        key: ['del/backspace', true]
+      }, {
+        sel: '#tool_reorient',
+        fn: reorientPath,
+        evt: 'click'
+      }, {
+        sel: '#tool_node_link',
+        fn: linkControlPoints,
+        evt: 'click'
+      }, {
+        sel: '#tool_node_clone',
+        fn: clonePathNode,
+        evt: 'click'
+      }, {
+        sel: '#tool_node_delete',
+        fn: deletePathNode,
+        evt: 'click'
+      }, {
+        sel: '#tool_openclose_path',
+        fn: opencloseSubPath,
+        evt: 'click'
+      }, {
+        sel: '#tool_add_subpath',
+        fn: addSubPath,
+        evt: 'click'
+      }, {
+        sel: '#tool_move_top',
+        fn: moveToTopSelected,
+        evt: 'click',
+        key: 'ctrl+shift+]'
+      }, {
+        sel: '#tool_move_bottom',
+        fn: moveToBottomSelected,
+        evt: 'click',
+        key: 'ctrl+shift+['
+      }, {
+        sel: '#tool_topath',
+        fn: convertToPath$$1,
+        evt: 'click'
+      }, {
+        sel: '#tool_make_link,#tool_make_link_multi',
+        fn: makeHyperlink,
+        evt: 'click'
+      }, {
+        sel: '#tool_undo',
+        fn: clickUndo,
+        evt: 'click'
+      }, {
+        sel: '#tool_redo',
+        fn: clickRedo,
+        evt: 'click'
+      }, {
+        sel: '#tool_clone,#tool_clone_multi',
+        fn: clickClone,
+        evt: 'click',
+        key: ['D', true]
+      }, {
+        sel: '#tool_group_elements',
+        fn: clickGroup,
+        evt: 'click',
+        key: ['G', true]
+      }, {
+        sel: '#tool_ungroup',
+        fn: clickGroup,
+        evt: 'click'
+      }, {
+        sel: '#tool_unlink_use',
+        fn: clickGroup,
+        evt: 'click'
+      }, {
+        sel: '[id^=tool_align]',
+        fn: clickAlign,
+        evt: 'click'
+      }, // these two lines are required to make Opera work properly with the flyout mechanism
       // {sel: '#tools_rect_show', fn: clickRect, evt: 'click'},
       // {sel: '#tools_ellipse_show', fn: clickEllipse, evt: 'click'},
-      { sel: '#tool_bold', fn: clickBold, evt: 'mousedown' }, { sel: '#tool_italic', fn: clickItalic, evt: 'mousedown' }, { sel: '#sidepanel_handle', fn: toggleSidePanel, key: ['X'] }, { sel: '#copy_save_done', fn: cancelOverlays, evt: 'click' },
-
-      // Shortcuts not associated with buttons
-
-      { key: 'ctrl+left', fn: function fn() {
+      {
+        sel: '#tool_bold',
+        fn: clickBold,
+        evt: 'mousedown'
+      }, {
+        sel: '#tool_italic',
+        fn: clickItalic,
+        evt: 'mousedown'
+      }, {
+        sel: '#sidepanel_handle',
+        fn: toggleSidePanel,
+        key: ['X']
+      }, {
+        sel: '#copy_save_done',
+        fn: cancelOverlays,
+        evt: 'click'
+      }, // Shortcuts not associated with buttons
+      {
+        key: 'ctrl+left',
+        fn: function fn() {
           rotateSelected(0, 1);
         }
-      }, { key: 'ctrl+right', fn: function fn() {
+      }, {
+        key: 'ctrl+right',
+        fn: function fn() {
           rotateSelected(1, 1);
         }
-      }, { key: 'ctrl+shift+left', fn: function fn() {
+      }, {
+        key: 'ctrl+shift+left',
+        fn: function fn() {
           rotateSelected(0, 5);
         }
-      }, { key: 'ctrl+shift+right', fn: function fn() {
+      }, {
+        key: 'ctrl+shift+right',
+        fn: function fn() {
           rotateSelected(1, 5);
         }
-      }, { key: 'shift+O', fn: selectPrev }, { key: 'shift+P', fn: selectNext }, { key: [modKey + 'up', true], fn: function fn() {
+      }, {
+        key: 'shift+O',
+        fn: selectPrev
+      }, {
+        key: 'shift+P',
+        fn: selectNext
+      }, {
+        key: [modKey + 'up', true],
+        fn: function fn() {
           zoomImage(2);
         }
-      }, { key: [modKey + 'down', true], fn: function fn() {
+      }, {
+        key: [modKey + 'down', true],
+        fn: function fn() {
           zoomImage(0.5);
         }
-      }, { key: [modKey + ']', true], fn: function fn() {
+      }, {
+        key: [modKey + ']', true],
+        fn: function fn() {
           moveUpDownSelected('Up');
         }
-      }, { key: [modKey + '[', true], fn: function fn() {
+      }, {
+        key: [modKey + '[', true],
+        fn: function fn() {
           moveUpDownSelected('Down');
         }
-      }, { key: ['up', true], fn: function fn() {
+      }, {
+        key: ['up', true],
+        fn: function fn() {
           moveSelected(0, -1);
         }
-      }, { key: ['down', true], fn: function fn() {
+      }, {
+        key: ['down', true],
+        fn: function fn() {
           moveSelected(0, 1);
         }
-      }, { key: ['left', true], fn: function fn() {
+      }, {
+        key: ['left', true],
+        fn: function fn() {
           moveSelected(-1, 0);
         }
-      }, { key: ['right', true], fn: function fn() {
+      }, {
+        key: ['right', true],
+        fn: function fn() {
           moveSelected(1, 0);
         }
-      }, { key: 'shift+up', fn: function fn() {
+      }, {
+        key: 'shift+up',
+        fn: function fn() {
           moveSelected(0, -10);
         }
-      }, { key: 'shift+down', fn: function fn() {
+      }, {
+        key: 'shift+down',
+        fn: function fn() {
           moveSelected(0, 10);
         }
-      }, { key: 'shift+left', fn: function fn() {
+      }, {
+        key: 'shift+left',
+        fn: function fn() {
           moveSelected(-10, 0);
         }
-      }, { key: 'shift+right', fn: function fn() {
+      }, {
+        key: 'shift+right',
+        fn: function fn() {
           moveSelected(10, 0);
         }
-      }, { key: ['alt+up', true], fn: function fn() {
+      }, {
+        key: ['alt+up', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(0, -1);
         }
-      }, { key: ['alt+down', true], fn: function fn() {
+      }, {
+        key: ['alt+down', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(0, 1);
         }
-      }, { key: ['alt+left', true], fn: function fn() {
+      }, {
+        key: ['alt+left', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(-1, 0);
         }
-      }, { key: ['alt+right', true], fn: function fn() {
+      }, {
+        key: ['alt+right', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(1, 0);
         }
-      }, { key: ['alt+shift+up', true], fn: function fn() {
+      }, {
+        key: ['alt+shift+up', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(0, -10);
         }
-      }, { key: ['alt+shift+down', true], fn: function fn() {
+      }, {
+        key: ['alt+shift+down', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(0, 10);
         }
-      }, { key: ['alt+shift+left', true], fn: function fn() {
+      }, {
+        key: ['alt+shift+left', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(-10, 0);
         }
-      }, { key: ['alt+shift+right', true], fn: function fn() {
+      }, {
+        key: ['alt+shift+right', true],
+        fn: function fn() {
           svgCanvas.cloneSelectedElements(10, 0);
         }
-      }, { key: 'A', fn: function fn() {
+      }, {
+        key: 'A',
+        fn: function fn() {
           svgCanvas.selectAllInCurrentLayer();
         }
-      },
+      }, // Standard shortcuts
+      {
+        key: modKey + 'z',
+        fn: clickUndo
+      }, {
+        key: modKey + 'shift+z',
+        fn: clickRedo
+      }, {
+        key: modKey + 'y',
+        fn: clickRedo
+      }, {
+        key: modKey + 'x',
+        fn: cutSelected
+      }, {
+        key: modKey + 'c',
+        fn: copySelected
+      }, {
+        key: modKey + 'v',
+        fn: pasteInCenter
+      }]; // Tooltips not directly associated with a single function
 
-      // Standard shortcuts
-      { key: modKey + 'z', fn: clickUndo }, { key: modKey + 'shift+z', fn: clickRedo }, { key: modKey + 'y', fn: clickRedo }, { key: modKey + 'x', fn: cutSelected }, { key: modKey + 'c', fn: copySelected }, { key: modKey + 'v', fn: pasteInCenter }];
-
-      // Tooltips not directly associated with a single function
       var keyAssocs = {
         '4/Shift+4': '#tools_rect_show',
         '5/Shift+5': '#tools_ellipse_show'
       };
-
       return {
         /** @lends module:SVGEditor~Actions */
+
         /**
          * @returns {undefined}
          */
         setAll: function setAll() {
           var flyouts = {};
-
           $$b.each(toolButtons, function (i, opts) {
             // Bind function to button
-            var btn = void 0;
+            var btn;
+
             if (opts.sel) {
               btn = $$b(opts.sel);
+
               if (!btn.length) {
                 return true;
               } // Skip if markup does not exist
+
+
               if (opts.evt) {
                 if (isTouch() && opts.evt === 'click') {
                   opts.evt = 'mousedown';
                 }
-                btn[opts.evt](opts.fn);
-              }
 
-              // Add to parent flyout menu, if able to be displayed
+                btn[opts.evt](opts.fn);
+              } // Add to parent flyout menu, if able to be displayed
+
+
               if (opts.parent && $$b(opts.parent + '_show').length) {
                 var fH = $$b(opts.parent);
+
                 if (!fH.length) {
                   fH = makeFlyoutHolder(opts.parent.substr(1));
                 }
+
                 if (opts.prepend) {
                   btn[0].style.margin = 'initial';
                 }
+
                 fH[opts.prepend ? 'prepend' : 'append'](btn);
 
                 if (!Array.isArray(flyouts[opts.parent])) {
                   flyouts[opts.parent] = [];
                 }
+
                 flyouts[opts.parent].push(opts);
               }
-            }
+            } // Bind function to shortcut key
+
 
-            // Bind function to shortcut key
             if (opts.key) {
               // Set shortcut based on options
-              var keyval = void 0,
-
-              // disInInp = true,
+              var keyval,
+                  // disInInp = true,
               pd = false;
+
               if (Array.isArray(opts.key)) {
                 keyval = opts.key[0];
+
                 if (opts.key.length > 1) {
                   pd = opts.key[1];
-                }
-                // if (opts.key.length > 2) { disInInp = opts.key[2]; }
+                } // if (opts.key.length > 2) { disInInp = opts.key[2]; }
+
               } else {
                 keyval = opts.key;
               }
+
               keyval += '';
-
               var fn = opts.fn;
-
               $$b.each(keyval.split('/'), function (i, key) {
                 $$b(document).bind('keydown', key, function (e) {
                   fn();
+
                   if (pd) {
                     e.preventDefault();
-                  }
-                  // Prevent default on ALL keys?
+                  } // Prevent default on ALL keys?
+
+
                   return false;
                 });
-              });
+              }); // Put shortcut in title
 
-              // Put shortcut in title
               if (opts.sel && !opts.hidekey && btn.attr('title')) {
                 var newTitle = btn.attr('title').split('[')[0] + ' (' + keyval + ')';
-                keyAssocs[keyval] = opts.sel;
-                // Disregard for menu items
+                keyAssocs[keyval] = opts.sel; // Disregard for menu items
+
                 if (!btn.parents('#main_menu').length) {
                   btn.attr('title', newTitle);
                 }
               }
             }
-          });
-
-          // Setup flyouts
-          setupFlyouts(flyouts);
-
-          // Misc additional actions
+          }); // Setup flyouts
 
+          setupFlyouts(flyouts); // Misc additional actions
           // Make 'return' keypress trigger the change event
+
           $$b('.attr_changer, #image_url').bind('keydown', 'return', function (evt) {
             $$b(this).change();
             evt.preventDefault();
           });
-
           $$b(window).bind('keydown', 'tab', function (e) {
             if (uiContext === 'canvas') {
               e.preventDefault();
@@ -30432,7 +33540,6 @@
               selectPrev();
             }
           });
-
           $$b('#tool_zoom').dblclick(dblclickZoom);
         },
 
@@ -30442,25 +33549,29 @@
         setTitles: function setTitles() {
           $$b.each(keyAssocs, function (keyval, sel) {
             var menu = $$b(sel).parents('#main_menu').length;
-
             $$b(sel).each(function () {
-              var t = void 0;
+              var t;
+
               if (menu) {
                 t = $$b(this).text().split(' [')[0];
               } else {
                 t = this.title.split(' [')[0];
               }
-              var keyStr = '';
-              // Shift+Up
+
+              var keyStr = ''; // Shift+Up
+
               $$b.each(keyval.split('/'), function (i, key) {
                 var modBits = key.split('+');
                 var mod = '';
+
                 if (modBits.length > 1) {
                   mod = modBits[0] + '+';
                   key = modBits[1];
                 }
+
                 keyStr += (i ? '/' : '') + mod + (uiStrings$1['key_' + key] || key);
               });
+
               if (menu) {
                 this.lastChild.textContent = t + ' [' + keyStr + ']';
               } else {
@@ -30480,15 +33591,16 @@
           });
         }
       };
-    }();
+    }(); // Select given tool
+
 
-    // Select given tool
     editor.ready(function () {
-      var tool = void 0;
+      var tool;
       var itool = curConfig.initTool,
           container = $$b('#tools_left, #svg_editor .tools_flyout'),
           preTool = container.find('#tool_' + itool),
           regTool = container.find('#' + itool);
+
       if (preTool.length) {
         tool = preTool;
       } else if (regTool.length) {
@@ -30496,6 +33608,7 @@
       } else {
         tool = $$b('#tool_select');
       }
+
       tool.click().mouseup();
 
       if (curConfig.wireframe) {
@@ -30527,19 +33640,57 @@
       if (curConfig.gridColor) {
         $$b('#grid_color').val(curConfig.gridColor);
       }
+    }); // init SpinButtons
+
+    $$b('#rect_rx').SpinButton({
+      min: 0,
+      max: 1000,
+      stateObj: stateObj,
+      callback: changeRectRadius
     });
-
-    // init SpinButtons
-    $$b('#rect_rx').SpinButton({ min: 0, max: 1000, stateObj: stateObj, callback: changeRectRadius });
-    $$b('#stroke_width').SpinButton({ min: 0, max: 99, smallStep: 0.1, stateObj: stateObj, callback: changeStrokeWidth });
-    $$b('#angle').SpinButton({ min: -180, max: 180, step: 5, stateObj: stateObj, callback: changeRotationAngle });
-    $$b('#font_size').SpinButton({ min: 0.001, stepfunc: stepFontSize, stateObj: stateObj, callback: changeFontSize });
-    $$b('#group_opacity').SpinButton({ min: 0, max: 100, step: 5, stateObj: stateObj, callback: changeOpacity });
-    $$b('#blur').SpinButton({ min: 0, max: 10, step: 0.1, stateObj: stateObj, callback: changeBlur });
-    $$b('#zoom').SpinButton({ min: 0.001, max: 10000, step: 50, stepfunc: stepZoom, stateObj: stateObj, callback: changeZoom })
-    // Set default zoom
+    $$b('#stroke_width').SpinButton({
+      min: 0,
+      max: 99,
+      smallStep: 0.1,
+      stateObj: stateObj,
+      callback: changeStrokeWidth
+    });
+    $$b('#angle').SpinButton({
+      min: -180,
+      max: 180,
+      step: 5,
+      stateObj: stateObj,
+      callback: changeRotationAngle
+    });
+    $$b('#font_size').SpinButton({
+      min: 0.001,
+      stepfunc: stepFontSize,
+      stateObj: stateObj,
+      callback: changeFontSize
+    });
+    $$b('#group_opacity').SpinButton({
+      min: 0,
+      max: 100,
+      step: 5,
+      stateObj: stateObj,
+      callback: changeOpacity
+    });
+    $$b('#blur').SpinButton({
+      min: 0,
+      max: 10,
+      step: 0.1,
+      stateObj: stateObj,
+      callback: changeBlur
+    });
+    $$b('#zoom').SpinButton({
+      min: 0.001,
+      max: 10000,
+      step: 50,
+      stepfunc: stepZoom,
+      stateObj: stateObj,
+      callback: changeZoom
+    }) // Set default zoom
     .val(svgCanvas.getZoom() * 100);
-
     $$b('#workarea').contextMenu({
       menu: 'cmenu_canvas',
       inSpeed: 0
@@ -30548,41 +33699,53 @@
         case 'delete':
           deleteSelected();
           break;
+
         case 'cut':
           cutSelected();
           break;
+
         case 'copy':
           copySelected();
           break;
+
         case 'paste':
           svgCanvas.pasteElements();
           break;
+
         case 'paste_in_place':
           svgCanvas.pasteElements('in_place');
           break;
+
         case 'group':
         case 'group_elements':
           svgCanvas.groupSelectedElements();
           break;
+
         case 'ungroup':
           svgCanvas.ungroupSelectedElement();
           break;
+
         case 'move_front':
           moveToTopSelected();
           break;
+
         case 'move_up':
           moveUpDownSelected('Up');
           break;
+
         case 'move_down':
           moveUpDownSelected('Down');
           break;
+
         case 'move_back':
           moveToBottomSelected();
           break;
+
         default:
           if (hasCustomHandler(action)) {
             getCustomHandler(action).call();
           }
+
           break;
       }
     });
@@ -30592,12 +33755,15 @@
         case 'dupe':
           cloneLayer();
           break;
+
         case 'delete':
           deleteLayer();
           break;
+
         case 'merge_down':
           mergeLayer();
           break;
+
         case 'merge_all':
           svgCanvas.mergeAllLayers();
           updateContextPanel();
@@ -30610,29 +33776,28 @@
       menu: 'cmenu_layers',
       inSpeed: 0
     }, lmenuFunc);
-
     $$b('#layer_moreopts').contextMenu({
       menu: 'cmenu_layers',
       inSpeed: 0,
       allowLeft: true
     }, lmenuFunc);
-
     $$b('.contextMenu li').mousedown(function (ev) {
       ev.preventDefault();
     });
-
     $$b('#cmenu_canvas li').disableContextMenu();
     canvMenu.enableContextMenuItems('#delete,#cut,#copy');
 
     function enableOrDisableClipboard() {
-      var svgeditClipboard = void 0;
+      var svgeditClipboard;
+
       try {
         svgeditClipboard = localStorage.getItem('svgedit_clipboard');
       } catch (err) {}
+
       canvMenu[(svgeditClipboard ? 'en' : 'dis') + 'ableContextMenuItems']('#paste,#paste_in_place');
     }
-    enableOrDisableClipboard();
 
+    enableOrDisableClipboard();
     window.addEventListener('storage', function (e) {
       if (e.key !== 'svgedit_clipboard') {
         return;
@@ -30640,41 +33805,44 @@
 
       enableOrDisableClipboard();
     });
-
     window.addEventListener('beforeunload', function (e) {
       // Suppress warning if page is empty
       if (undoMgr.getUndoStackSize() === 0) {
         editor.showSaveWarning = false;
-      }
+      } // showSaveWarning is set to 'false' when the page is saved.
+
 
-      // showSaveWarning is set to 'false' when the page is saved.
       if (!curConfig.no_save_warning && editor.showSaveWarning) {
         // Browser already asks question about closing the page
         e.returnValue = uiStrings$1.notification.unsavedChanges; // Firefox needs this when beforeunload set by addEventListener (even though message is not used)
+
         return uiStrings$1.notification.unsavedChanges;
       }
     }, false);
-
     /**
     * Expose the uiStrings
     * @function module:SVGEditor.canvas.getUIStrings
     * @returns {module:SVGEditor.uiStrings}
     */
+
     editor.canvas.getUIStrings = function () {
       return uiStrings$1;
     };
-
     /**
     * @callback module:SVGEditor.OpenPrepCallback
     * @param {boolean} noChanges
     * @returns {undefined}
     */
+
     /**
     * @param {module:SVGEditor.OpenPrepCallback} func Confirmation dialog callback
     * @returns {undefined}
     */
+
+
     editor.openPrep = function (func) {
       $$b('#main_menu').hide();
+
       if (undoMgr.getUndoStackSize() === 0) {
         func(true);
       } else {
@@ -30684,8 +33852,7 @@
 
     function onDragEnter(e) {
       e.stopPropagation();
-      e.preventDefault();
-      // and indicator should be displayed here, such as "drop files here"
+      e.preventDefault(); // and indicator should be displayed here, such as "drop files here"
     }
 
     function onDragOver(e) {
@@ -30695,13 +33862,13 @@
 
     function onDragLeave(e) {
       e.stopPropagation();
-      e.preventDefault();
-      // hypothetical indicator should be removed here
-    }
-    // Use HTML5 File API: http://www.w3.org/TR/FileAPI/
+      e.preventDefault(); // hypothetical indicator should be removed here
+    } // Use HTML5 File API: http://www.w3.org/TR/FileAPI/
     // if browser has HTML5 File API support, then we will show the open menu item
     // and provide a file input to click. When that change event fires, it will
     // get the text contents of the file and send it to the canvas
+
+
     if (window.FileReader) {
       var importImage = function importImage(e) {
         $$b.process_cancel(uiStrings$1.notification.loadingImage);
@@ -30710,6 +33877,7 @@
         $$b('#workarea').removeAttr('style');
         $$b('#main_menu').hide();
         var file = e.type === 'drop' ? e.dataTransfer.files[0] : this.files[0];
+
         if (!file) {
           $$b('#dialog_box').hide();
           return;
@@ -30717,29 +33885,35 @@
         /* if (file.type === 'application/pdf') { // Todo: Handle PDF imports
          }
         else */
+
+
         if (file.type.includes('image')) {
           // Detected an image
           // svg handling
-          var reader = void 0;
+          var reader;
+
           if (file.type.includes('svg')) {
             reader = new FileReader();
+
             reader.onloadend = function (e) {
               var newElement = svgCanvas.importSvgString(e.target.result, true);
               svgCanvas.ungroupSelectedElement();
               svgCanvas.ungroupSelectedElement();
               svgCanvas.groupSelectedElements();
               svgCanvas.alignSelectedElements('m', 'page');
-              svgCanvas.alignSelectedElements('c', 'page');
-              // highlight imported element, otherwise we get strange empty selectbox
+              svgCanvas.alignSelectedElements('c', 'page'); // highlight imported element, otherwise we get strange empty selectbox
+
               svgCanvas.selectOnly([newElement]);
               $$b('#dialog_box').hide();
             };
+
             reader.readAsText(file);
           } else {
             // bitmap handling
             reader = new FileReader();
-            reader.onloadend = function (_ref16) {
-              var result = _ref16.target.result;
+
+            reader.onloadend = function (_ref17) {
+              var result = _ref17.target.result;
 
               // let's insert the new image until we know its dimensions
               var insertNewImage = function insertNewImage(width, height) {
@@ -30760,19 +33934,23 @@
                 svgCanvas.alignSelectedElements('c', 'page');
                 updateContextPanel();
                 $$b('#dialog_box').hide();
-              };
-              // create dummy img so we know the default dimensions
+              }; // create dummy img so we know the default dimensions
+
+
               var imgWidth = 100;
               var imgHeight = 100;
               var img = new Image();
               img.style.opacity = 0;
+
               img.onload = function () {
                 imgWidth = img.offsetWidth || img.naturalWidth || img.width;
                 imgHeight = img.offsetHeight || img.naturalHeight || img.height;
                 insertNewImage(imgWidth, imgHeight);
               };
+
               img.src = result;
             };
+
             reader.readAsDataURL(file);
           }
         }
@@ -30782,35 +33960,35 @@
       workarea[0].addEventListener('dragover', onDragOver, false);
       workarea[0].addEventListener('dragleave', onDragLeave, false);
       workarea[0].addEventListener('drop', importImage, false);
-
       var open = $$b('<input type="file">').click(function () {
         var f = this;
         editor.openPrep(function (ok) {
           if (!ok) {
             return;
           }
+
           svgCanvas.clear();
+
           if (f.files.length === 1) {
             $$b.process_cancel(uiStrings$1.notification.loadingImage);
             var reader = new FileReader();
+
             reader.onloadend = function (e) {
               loadSvgString(e.target.result);
               updateCanvas();
             };
+
             reader.readAsText(f.files[0]);
           }
         });
       });
       $$b('#tool_open').show().prepend(open);
-
       var imgImport = $$b('<input type="file">').change(importImage);
       $$b('#tool_import').show().prepend(imgImport);
-    }
+    } // $(function () {
 
-    // $(function () {
-    updateCanvas(true);
-    // });
 
+    updateCanvas(true); // });
     //  const revnums = 'svg-editor.js ($Rev$) ';
     //  revnums += svgCanvas.getVersion();
     //  $('#copyright')[0].setAttribute('title', revnums);
@@ -30823,63 +34001,72 @@
     * @fires module:svgcanvas.SvgCanvas#event:ext-langChanged
     * @returns {undefined}
     */
+
     var setLang = editor.setLang = function (lang, allStrings) {
       editor.langChanged = true;
       $$b.pref('lang', lang);
       $$b('#lang_select').val(lang);
+
       if (!allStrings) {
         return;
       }
-      $$b.extend(uiStrings$1, allStrings);
 
-      // const notif = allStrings.notification; // Currently unused
+      $$b.extend(uiStrings$1, allStrings); // const notif = allStrings.notification; // Currently unused
       // $.extend will only replace the given strings
+
       var oldLayerName = $$b('#layerlist tr.layersel td.layername').text();
       var renameLayer = oldLayerName === uiStrings$1.common.layer + ' 1';
-
       svgCanvas.setUiStrings(allStrings);
       Actions.setTitles();
 
       if (renameLayer) {
         svgCanvas.renameCurrentLayer(uiStrings$1.common.layer + ' 1');
         populateLayers();
-      }
+      } // In case extensions loaded before the locale, now we execute a callback on them
+
 
-      // In case extensions loaded before the locale, now we execute a callback on them
       if (extsPreLang.length) {
         while (extsPreLang.length) {
           var ext = extsPreLang.shift();
           ext.langReady({
             lang: lang,
             uiStrings: uiStrings$1,
-            importLocale: getImportLocale({ defaultLang: lang, defaultName: ext.name })
+            importLocale: getImportLocale({
+              defaultLang: lang,
+              defaultName: ext.name
+            })
           });
         }
       } else {
-        svgCanvas.runExtensions('langReady', /** @type {module:svgcanvas.SvgCanvas#event:ext-langReady} */{ lang: lang, uiStrings: uiStrings$1 });
+        svgCanvas.runExtensions('langReady',
+        /** @type {module:svgcanvas.SvgCanvas#event:ext-langReady} */
+        {
+          lang: lang,
+          uiStrings: uiStrings$1
+        });
       }
-      svgCanvas.runExtensions('langChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext-langChanged} */lang);
 
-      // Update flyout tooltips
-      setFlyoutTitles();
+      svgCanvas.runExtensions('langChanged',
+      /** @type {module:svgcanvas.SvgCanvas#event:ext-langChanged} */
+      lang); // Update flyout tooltips
+
+      setFlyoutTitles(); // Copy title for certain tool elements
 
-      // Copy title for certain tool elements
       var elems = {
         '#stroke_color': '#tool_stroke .icon_label, #tool_stroke .color_block',
         '#fill_color': '#tool_fill label, #tool_fill .color_block',
         '#linejoin_miter': '#cur_linejoin',
         '#linecap_butt': '#cur_linecap'
       };
-
       $$b.each(elems, function (source, dest) {
         $$b(dest).attr('title', $$b(source)[0].title);
-      });
+      }); // Copy alignment titles
 
-      // Copy alignment titles
       $$b('#multiselected_panel div[id^=tool_align]').each(function () {
         $$b('#tool_pos' + this.id.substr(10))[0].title = this.title;
       });
     };
+
     init$7(
     /**
     * @implements {module:locale.LocaleEditorInit}
@@ -30907,15 +34094,17 @@
           // We pass in a function as we don't know the extension name here when defining this `addLangData` method
           return {
             lang: langParam,
-            importLocale: getImportLocale({ defaultLang: langParam, defaultName: name })
+            importLocale: getImportLocale({
+              defaultLang: langParam,
+              defaultName: name
+            })
           };
         }, true);
       },
-
       curConfig: curConfig
-    });
-    // Load extensions
+    }); // Load extensions
     // Bit of a hack to run extensions in local Opera/IE9
+
     if (document.location.protocol === 'file:') {
       setTimeout(extAndLocaleFunc, 100);
     } else {
@@ -30923,11 +34112,11 @@
       extAndLocaleFunc();
     }
   };
-
   /**
   * @callback module:SVGEditor.ReadyCallback
   * @returns {undefined}
   */
+
   /**
   * Queues a callback to be invoked when the editor is ready (or
   *   to be invoked immediately if it is already ready--i.e.,
@@ -30935,6 +34124,8 @@
   * @param {module:SVGEditor.ReadyCallback} cb Callback to be queued to invoke
   * @returns {undefined}
   */
+
+
   editor.ready = function (cb) {
     if (!isReady) {
       callbacks.push(cb);
@@ -30942,45 +34133,47 @@
       cb();
     }
   };
-
   /**
   * Invokes the callbacks previous set by `svgEditor.ready`
   * @returns {undefined}
   */
+
+
   editor.runCallbacks = function () {
     callbacks.forEach(function (cb) {
       cb();
     });
     isReady = true;
   };
-
   /**
   * @param {string} str The SVG string to load
   * @returns {undefined}
   */
+
+
   editor.loadFromString = function (str) {
     editor.ready(function () {
       loadSvgString(str);
     });
   };
-
   /**
   * Not presently in use
   * @param {PlainObject} featList
   * @returns {undefined}
   */
-  editor.disableUI = function (featList) {
-    // $(function () {
+
+
+  editor.disableUI = function (featList) {// $(function () {
     //   $('#tool_wireframe, #tool_image, #main_button, #tool_source, #sidepanels').remove();
     //   $('#tools_top').css('left', 5);
     // });
   };
-
   /**
    * @callback module:SVGEditor.URLLoadCallback
    * @param {boolean} success
    * @returns {undefined}
    */
+
   /**
   * @param {string} url URL from which to load an SVG string via Ajax
   * @param {PlainObject} [opts] May contain properties: `cache`, `callback`
@@ -30988,6 +34181,8 @@
   * @param {module:SVGEditor.URLLoadCallback} opts.callback Invoked with `true` or `false` depending on success
   * @returns {undefined}
   */
+
+
   editor.loadFromURL = function (url, opts) {
     if (!opts) {
       opts = {};
@@ -30996,8 +34191,6 @@
     var _opts = opts,
         cache = _opts.cache,
         cb = _opts.callback;
-
-
     editor.ready(function () {
       $$b.ajax({
         url: url,
@@ -31022,28 +34215,31 @@
       });
     });
   };
-
   /**
   * @param {string} str The Data URI to base64-decode (if relevant) and load
   * @returns {undefined}
   */
+
+
   editor.loadFromDataURI = function (str) {
     editor.ready(function () {
       var base64 = false;
       var pre = str.match(/^data:image\/svg\+xml;base64,/);
+
       if (pre) {
         base64 = true;
       } else {
         pre = str.match(/^data:image\/svg\+xml(?:;(?:utf8)?)?,/);
       }
+
       if (pre) {
         pre = pre[0];
       }
+
       var src = str.slice(pre.length);
       loadSvgString(base64 ? decode64(src) : decodeURIComponent(src));
     });
   };
-
   /**
    * @param {string} name Used internally; no need for i18n.
    * @param {module:svgcanvas.ExtensionInitCallback} init Config to be invoked on this module
@@ -31051,6 +34247,8 @@
    * @throws {Error} If called too early
    * @returns {Promise} Resolves to `undefined`
   */
+
+
   editor.addExtension = function (name, init$$1, importLocale) {
     // Note that we don't want this on editor.ready since some extensions
     // may want to run before then (like server_opensave).
@@ -31058,16 +34256,15 @@
     if (!svgCanvas) {
       throw new Error('Extension added too early');
     }
-    return svgCanvas.addExtension.call(this, name, init$$1, importLocale);
-    // });
-  };
 
-  // Defer injection to wait out initial menu processing. This probably goes
+    return svgCanvas.addExtension.call(this, name, init$$1, importLocale); // });
+  }; // Defer injection to wait out initial menu processing. This probably goes
   //    away once all context menu behavior is brought to context menu.
+
+
   editor.ready(function () {
     injectExtendedContextMenuItemsIntoDom();
   });
-
   var extensionsAdded = false;
   var messageQueue = [];
   /**
@@ -31076,12 +34273,16 @@
    * @fires module:svgcanvas.SvgCanvas#event:message
    * @returns {undefined}
    */
-  var messageListener = function messageListener(_ref17) {
-    var data = _ref17.data,
-        origin = _ref17.origin;
 
+  var messageListener = function messageListener(_ref18) {
+    var data = _ref18.data,
+        origin = _ref18.origin;
     // console.log('data, origin, extensionsAdded', data, origin, extensionsAdded);
-    var messageObj = { data: data, origin: origin };
+    var messageObj = {
+      data: data,
+      origin: origin
+    };
+
     if (!extensionsAdded) {
       messageQueue.push(messageObj);
     } else {
@@ -31090,10 +34291,10 @@
       svgCanvas.call('message', messageObj);
     }
   };
-  window.addEventListener('message', messageListener);
 
-  // Run init once DOM is loaded
+  window.addEventListener('message', messageListener); // Run init once DOM is loaded
   // jQuery(editor.init);
+
   Promise.resolve().then(function () {
     // We wait a micro-task to let the svgEditor variable be defined for module checks
     editor.init();
@@ -31101,20 +34302,21 @@
 
   //  TO BUILD AN IIFE VERSION OF THIS FILE (AS CAN WORK ON OLDER BROWSERS),
   window.svgEditor = editor;
-  window.svgEditor.modules = false;
+  window.svgEditor.modules = false; // URL OVERRIDE CONFIG
 
-  // URL OVERRIDE CONFIG
   editor.setConfig({
     /**
     To override the ability for URLs to set URL-based SVG content,
         uncomment the following:
     */
     // preventURLContentLoading: true,
+
     /**
     To override the ability for URLs to set other configuration (including
         extension config), uncomment the following:
     */
     // preventAllURLConfig: true,
+
     /**
     To override the ability for URLs to set their own extensions,
       uncomment the following (note that if `setConfig()` is used in
@@ -31123,29 +34325,27 @@
     */
     // lockExtensions: true,
   });
-
   editor.setConfig({
     /*
     Provide default values here which differ from that of the editor but
       which the URL can override
     */
-  }, { allowInitialUserOverride: true });
+  }, {
+    allowInitialUserOverride: true
+  }); // EXTENSION CONFIG
 
-  // EXTENSION CONFIG
   editor.setConfig({
-    extensions: [
-      // 'ext-overview_window.js', 'ext-markers.js', 'ext-connector.js', 'ext-eyedropper.js', 'ext-shapes.js', 'ext-imagelib.js', 'ext-grid.js', 'ext-polygon.js', 'ext-star.js', 'ext-panning.js', 'ext-storage.js'
-    ], noDefaultExtensions: false // noDefaultExtensions can only be meaningfully used in svgedit-config-iife.js or in the URL
-  });
+    extensions: [// 'ext-overview_window.js', 'ext-markers.js', 'ext-connector.js', 'ext-eyedropper.js', 'ext-shapes.js', 'ext-imagelib.js', 'ext-grid.js', 'ext-polygon.js', 'ext-star.js', 'ext-panning.js', 'ext-storage.js'
+    ],
+    noDefaultExtensions: false // noDefaultExtensions can only be meaningfully used in svgedit-config-iife.js or in the URL
+
+  }); // STYLESHEET CONFIG
 
-  // STYLESHEET CONFIG
   editor.setConfig({
     stylesheets: ['@default', '../svgedit-custom.css']
-  });
+  }); // OTHER CONFIG
 
-  // OTHER CONFIG
-  editor.setConfig({
-    // canvasName: 'default',
+  editor.setConfig({// canvasName: 'default',
     // canvas_expansion: 3,
     // initFill: {
     //   color: 'FF0000', // solid red
@@ -31168,6 +34368,7 @@
     // langPath: 'locale/',
     // extPath: 'extensions/',
     // jGraduatePath: 'jgraduate/images/',
+
     /*
     Uncomment the following to allow at least same domain (embedded) access,
     including `file:///` access.
@@ -31189,9 +34390,8 @@
     // noStorageOnLoad: false, // Some interaction with ext-storage.js; prevent even the loading of previously saved local storage
     // forceStorage: false, // Some interaction with ext-storage.js; strongly discouraged from modification as it bypasses user privacy by preventing them from choosing whether to keep local storage or not
     // emptyStorageOnDecline: true, // Used by ext-storage.js; empty any prior storage if the user declines to store
-  });
+  }); // PREF CHANGES
 
-  // PREF CHANGES
   /**
   setConfig() can also be used to set preferences in addition to
     configuration (see defaultPrefs in svg-editor.js for a list of
@@ -31205,9 +34405,10 @@
     Failing to use allowInitialUserOverride will ensure preferences
     are hard-coded here regardless of URL or prior user storage setting.
   */
-  editor.setConfig({
-    // lang: '', // Set dynamically within locale.js if not previously set
+
+  editor.setConfig({// lang: '', // Set dynamically within locale.js if not previously set
     // iconsize: '', // Will default to 's' if the window height is smaller than the minimum height and 'm' otherwise
+
     /**
     * When showing the preferences dialog, svg-editor.js currently relies
     * on curPrefs instead of $.pref, so allowing an override for bkgd_color
@@ -31222,10 +34423,11 @@
     // save_notice_done: false,
     // export_notice_done: false
   });
-  editor.setConfig({
-    // Indicate pref settings here if you wish to allow user storage or URL settings
+  editor.setConfig({// Indicate pref settings here if you wish to allow user storage or URL settings
     //   to be able to override your default preferences (unless other config options
     //   have already explicitly prevented one or the other)
-  }, { allowInitialUserOverride: true });
+  }, {
+    allowInitialUserOverride: true
+  });
 
 }());